drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c

   1 /* bnx2x_main.c: QLogic Everest network driver.
   2  *
   3  * Copyright (c) 2007-2013 Broadcom Corporation
   4  * Copyright (c) 2014 QLogic Corporation
   5  * All rights reserved
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation.
  10  *
  11  * Maintained by: Ariel Elior <ariel.elior@qlogic.com>
  12  * Written by: Eliezer Tamir
  13  * Based on code from Michael Chan's bnx2 driver
  14  * UDP CSUM errata workaround by Arik Gendelman
  15  * Slowpath and fastpath rework by Vladislav Zolotarov
  16  * Statistics and Link management by Yitchak Gertner
  17  *
  18  */
  19
  20 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  21
  22 #include <linux/module.h>
  23 #include <linux/moduleparam.h>
  24 #include <linux/kernel.h>
  25 #include <linux/device.h>  /* for dev_info() */
  26 #include <linux/timer.h>
  27 #include <linux/errno.h>
  28 #include <linux/ioport.h>
  29 #include <linux/slab.h>
  30 #include <linux/interrupt.h>
  31 #include <linux/pci.h>
  32 #include <linux/aer.h>
  33 #include <linux/init.h>
  34 #include <linux/netdevice.h>
  35 #include <linux/etherdevice.h>
  36 #include <linux/skbuff.h>
  37 #include <linux/dma-mapping.h>
  38 #include <linux/bitops.h>
  39 #include <linux/irq.h>
  40 #include <linux/delay.h>
  41 #include <asm/byteorder.h>
  42 #include <linux/time.h>
  43 #include <linux/ethtool.h>
  44 #include <linux/mii.h>
  45 #include <linux/if_vlan.h>
  46 #include <linux/crash_dump.h>
  47 #include <net/ip.h>
  48 #include <net/ipv6.h>
  49 #include <net/tcp.h>
  50 #include <net/vxlan.h>
  51 #include <net/checksum.h>
  52 #include <net/ip6_checksum.h>
  53 #include <linux/workqueue.h>
  54 #include <linux/crc32.h>
  55 #include <linux/crc32c.h>
  56 #include <linux/prefetch.h>
  57 #include <linux/zlib.h>
  58 #include <linux/io.h>
  59 #include <linux/semaphore.h>
  60 #include <linux/stringify.h>
  61 #include <linux/vmalloc.h>
  62 #if IS_ENABLED(CONFIG_GENEVE)
  63 #include <net/geneve.h>
  64 #endif
  65 #include "bnx2x.h"
  66 #include "bnx2x_init.h"
  67 #include "bnx2x_init_ops.h"
  68 #include "bnx2x_cmn.h"
  69 #include "bnx2x_vfpf.h"
  70 #include "bnx2x_dcb.h"
  71 #include "bnx2x_sp.h"
  72 #include <linux/firmware.h>
  73 #include "bnx2x_fw_file_hdr.h"
  74 /* FW files */
  75 #define FW_FILE_VERSION                                 \
  76         __stringify(BCM_5710_FW_MAJOR_VERSION) "."      \
  77         __stringify(BCM_5710_FW_MINOR_VERSION) "."      \
  78         __stringify(BCM_5710_FW_REVISION_VERSION) "."   \
  79         __stringify(BCM_5710_FW_ENGINEERING_VERSION)
  80 #define FW_FILE_NAME_E1         "bnx2x/bnx2x-e1-" FW_FILE_VERSION ".fw"
  81 #define FW_FILE_NAME_E1H        "bnx2x/bnx2x-e1h-" FW_FILE_VERSION ".fw"
  82 #define FW_FILE_NAME_E2         "bnx2x/bnx2x-e2-" FW_FILE_VERSION ".fw"
  83
  84 /* Time in jiffies before concluding the transmitter is hung */
  85 #define TX_TIMEOUT              (5*HZ)
  86
  87 static char version[] =
  88         "QLogic 5771x/578xx 10/20-Gigabit Ethernet Driver "
  89         DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
  90
  91 MODULE_AUTHOR("Eliezer Tamir");
  92 MODULE_DESCRIPTION("QLogic "
  93                    "BCM57710/57711/57711E/"
  94                    "57712/57712_MF/57800/57800_MF/57810/57810_MF/"
  95                    "57840/57840_MF Driver");
  96 MODULE_LICENSE("GPL");
  97 MODULE_VERSION(DRV_MODULE_VERSION);
  98 MODULE_FIRMWARE(FW_FILE_NAME_E1);
  99 MODULE_FIRMWARE(FW_FILE_NAME_E1H);
 100 MODULE_FIRMWARE(FW_FILE_NAME_E2);
 101
 102 int bnx2x_num_queues;
 103 module_param_named(num_queues, bnx2x_num_queues, int, S_IRUGO);
 104 MODULE_PARM_DESC(num_queues,
 105                  " Set number of queues (default is as a number of CPUs)");
 106
 107 static int disable_tpa;
 108 module_param(disable_tpa, int, S_IRUGO);
 109 MODULE_PARM_DESC(disable_tpa, " Disable the TPA (LRO) feature");
 110
 111 static int int_mode;
 112 module_param(int_mode, int, S_IRUGO);
 113 MODULE_PARM_DESC(int_mode, " Force interrupt mode other than MSI-X "
 114                                 "(1 INT#x; 2 MSI)");
 115
 116 static int dropless_fc;
 117 module_param(dropless_fc, int, S_IRUGO);
 118 MODULE_PARM_DESC(dropless_fc, " Pause on exhausted host ring");
 119
 120 static int mrrs = -1;
 121 module_param(mrrs, int, S_IRUGO);
 122 MODULE_PARM_DESC(mrrs, " Force Max Read Req Size (0..3) (for debug)");
 123
 124 static int debug;
 125 module_param(debug, int, S_IRUGO);
 126 MODULE_PARM_DESC(debug, " Default debug msglevel");
 127
 128 static struct workqueue_struct *bnx2x_wq;
 129 struct workqueue_struct *bnx2x_iov_wq;
 130
 131 struct bnx2x_mac_vals {
 132         u32 xmac_addr;
 133         u32 xmac_val;
 134         u32 emac_addr;
 135         u32 emac_val;
 136         u32 umac_addr[2];
 137         u32 umac_val[2];
 138         u32 bmac_addr;
 139         u32 bmac_val[2];
 140 };
 141
 142 enum bnx2x_board_type {
 143         BCM57710 = 0,
 144         BCM57711,
 145         BCM57711E,
 146         BCM57712,
 147         BCM57712_MF,
 148         BCM57712_VF,
 149         BCM57800,
 150         BCM57800_MF,
 151         BCM57800_VF,
 152         BCM57810,
 153         BCM57810_MF,
 154         BCM57810_VF,
 155         BCM57840_4_10,
 156         BCM57840_2_20,
 157         BCM57840_MF,
 158         BCM57840_VF,
 159         BCM57811,
 160         BCM57811_MF,
 161         BCM57840_O,
 162         BCM57840_MFO,
 163         BCM57811_VF
 164 };
 165
 166 /* indexed by board_type, above */
 167 static struct {
 168         char *name;
 169 } board_info[] = {
 170         [BCM57710]      = { "QLogic BCM57710 10 Gigabit PCIe [Everest]" },
 171         [BCM57711]      = { "QLogic BCM57711 10 Gigabit PCIe" },
 172         [BCM57711E]     = { "QLogic BCM57711E 10 Gigabit PCIe" },
 173         [BCM57712]      = { "QLogic BCM57712 10 Gigabit Ethernet" },
 174         [BCM57712_MF]   = { "QLogic BCM57712 10 Gigabit Ethernet Multi Function" },
 175         [BCM57712_VF]   = { "QLogic BCM57712 10 Gigabit Ethernet Virtual Function" },
 176         [BCM57800]      = { "QLogic BCM57800 10 Gigabit Ethernet" },
 177         [BCM57800_MF]   = { "QLogic BCM57800 10 Gigabit Ethernet Multi Function" },
 178         [BCM57800_VF]   = { "QLogic BCM57800 10 Gigabit Ethernet Virtual Function" },
 179         [BCM57810]      = { "QLogic BCM57810 10 Gigabit Ethernet" },
 180         [BCM57810_MF]   = { "QLogic BCM57810 10 Gigabit Ethernet Multi Function" },
 181         [BCM57810_VF]   = { "QLogic BCM57810 10 Gigabit Ethernet Virtual Function" },
 182         [BCM57840_4_10] = { "QLogic BCM57840 10 Gigabit Ethernet" },
 183         [BCM57840_2_20] = { "QLogic BCM57840 20 Gigabit Ethernet" },
 184         [BCM57840_MF]   = { "QLogic BCM57840 10/20 Gigabit Ethernet Multi Function" },
 185         [BCM57840_VF]   = { "QLogic BCM57840 10/20 Gigabit Ethernet Virtual Function" },
 186         [BCM57811]      = { "QLogic BCM57811 10 Gigabit Ethernet" },
 187         [BCM57811_MF]   = { "QLogic BCM57811 10 Gigabit Ethernet Multi Function" },
 188         [BCM57840_O]    = { "QLogic BCM57840 10/20 Gigabit Ethernet" },
 189         [BCM57840_MFO]  = { "QLogic BCM57840 10/20 Gigabit Ethernet Multi Function" },
 190         [BCM57811_VF]   = { "QLogic BCM57840 10/20 Gigabit Ethernet Virtual Function" }
 191 };
 192
 193 #ifndef PCI_DEVICE_ID_NX2_57710
 194 #define PCI_DEVICE_ID_NX2_57710         CHIP_NUM_57710
 195 #endif
 196 #ifndef PCI_DEVICE_ID_NX2_57711
 197 #define PCI_DEVICE_ID_NX2_57711         CHIP_NUM_57711
 198 #endif
 199 #ifndef PCI_DEVICE_ID_NX2_57711E
 200 #define PCI_DEVICE_ID_NX2_57711E        CHIP_NUM_57711E
 201 #endif
 202 #ifndef PCI_DEVICE_ID_NX2_57712
 203 #define PCI_DEVICE_ID_NX2_57712         CHIP_NUM_57712
 204 #endif
 205 #ifndef PCI_DEVICE_ID_NX2_57712_MF
 206 #define PCI_DEVICE_ID_NX2_57712_MF      CHIP_NUM_57712_MF
 207 #endif
 208 #ifndef PCI_DEVICE_ID_NX2_57712_VF
 209 #define PCI_DEVICE_ID_NX2_57712_VF      CHIP_NUM_57712_VF
 210 #endif
 211 #ifndef PCI_DEVICE_ID_NX2_57800
 212 #define PCI_DEVICE_ID_NX2_57800         CHIP_NUM_57800
 213 #endif
 214 #ifndef PCI_DEVICE_ID_NX2_57800_MF
 215 #define PCI_DEVICE_ID_NX2_57800_MF      CHIP_NUM_57800_MF
 216 #endif
 217 #ifndef PCI_DEVICE_ID_NX2_57800_VF
 218 #define PCI_DEVICE_ID_NX2_57800_VF      CHIP_NUM_57800_VF
 219 #endif
 220 #ifndef PCI_DEVICE_ID_NX2_57810
 221 #define PCI_DEVICE_ID_NX2_57810         CHIP_NUM_57810
 222 #endif
 223 #ifndef PCI_DEVICE_ID_NX2_57810_MF
 224 #define PCI_DEVICE_ID_NX2_57810_MF      CHIP_NUM_57810_MF
 225 #endif
 226 #ifndef PCI_DEVICE_ID_NX2_57840_O
 227 #define PCI_DEVICE_ID_NX2_57840_O       CHIP_NUM_57840_OBSOLETE
 228 #endif
 229 #ifndef PCI_DEVICE_ID_NX2_57810_VF
 230 #define PCI_DEVICE_ID_NX2_57810_VF      CHIP_NUM_57810_VF
 231 #endif
 232 #ifndef PCI_DEVICE_ID_NX2_57840_4_10
 233 #define PCI_DEVICE_ID_NX2_57840_4_10    CHIP_NUM_57840_4_10
 234 #endif
 235 #ifndef PCI_DEVICE_ID_NX2_57840_2_20
 236 #define PCI_DEVICE_ID_NX2_57840_2_20    CHIP_NUM_57840_2_20
 237 #endif
 238 #ifndef PCI_DEVICE_ID_NX2_57840_MFO
 239 #define PCI_DEVICE_ID_NX2_57840_MFO     CHIP_NUM_57840_MF_OBSOLETE
 240 #endif
 241 #ifndef PCI_DEVICE_ID_NX2_57840_MF
 242 #define PCI_DEVICE_ID_NX2_57840_MF      CHIP_NUM_57840_MF
 243 #endif
 244 #ifndef PCI_DEVICE_ID_NX2_57840_VF
 245 #define PCI_DEVICE_ID_NX2_57840_VF      CHIP_NUM_57840_VF
 246 #endif
 247 #ifndef PCI_DEVICE_ID_NX2_57811
 248 #define PCI_DEVICE_ID_NX2_57811         CHIP_NUM_57811
 249 #endif
 250 #ifndef PCI_DEVICE_ID_NX2_57811_MF
 251 #define PCI_DEVICE_ID_NX2_57811_MF      CHIP_NUM_57811_MF
 252 #endif
 253 #ifndef PCI_DEVICE_ID_NX2_57811_VF
 254 #define PCI_DEVICE_ID_NX2_57811_VF      CHIP_NUM_57811_VF
 255 #endif
 256
 257 static const struct pci_device_id bnx2x_pci_tbl[] = {
 258         { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57710), BCM57710 },
 259         { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711), BCM57711 },
 260         { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711E), BCM57711E },
 261         { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712), BCM57712 },
 262         { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712_MF), BCM57712_MF },
 263         { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712_VF), BCM57712_VF },
 264         { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57800), BCM57800 },
 265         { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57800_MF), BCM57800_MF },
 266         { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57800_VF), BCM57800_VF },
 267         { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57810), BCM57810 },
 268         { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57810_MF), BCM57810_MF },
 269         { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_O), BCM57840_O },
 270         { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_4_10), BCM57840_4_10 },
 271         { PCI_VDEVICE(QLOGIC,   PCI_DEVICE_ID_NX2_57840_4_10), BCM57840_4_10 },
 272         { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_2_20), BCM57840_2_20 },
 273         { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57810_VF), BCM57810_VF },
 274         { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_MFO), BCM57840_MFO },
 275         { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_MF), BCM57840_MF },
 276         { PCI_VDEVICE(QLOGIC,   PCI_DEVICE_ID_NX2_57840_MF), BCM57840_MF },
 277         { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_VF), BCM57840_VF },
 278         { PCI_VDEVICE(QLOGIC,   PCI_DEVICE_ID_NX2_57840_VF), BCM57840_VF },
 279         { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57811), BCM57811 },
 280         { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57811_MF), BCM57811_MF },
 281         { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57811_VF), BCM57811_VF },
 282         { 0 }
 283 };
 284
 285 MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
 286
 287 /* Global resources for unloading a previously loaded device */
 288 #define BNX2X_PREV_WAIT_NEEDED 1
 289 static DEFINE_SEMAPHORE(bnx2x_prev_sem);
 290 static LIST_HEAD(bnx2x_prev_list);
 291
 292 /* Forward declaration */
 293 static struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev);
 294 static u32 bnx2x_rx_ustorm_prods_offset(struct bnx2x_fastpath *fp);
 295 static int bnx2x_set_storm_rx_mode(struct bnx2x *bp);
 296
 297 /****************************************************************************
 298 * General service functions
 299 ****************************************************************************/
 300
 301 static int bnx2x_hwtstamp_ioctl(struct bnx2x *bp, struct ifreq *ifr);
 302
 303 static void __storm_memset_dma_mapping(struct bnx2x *bp,
 304                                        u32 addr, dma_addr_t mapping)
 305 {
 306         REG_WR(bp,  addr, U64_LO(mapping));
 307         REG_WR(bp,  addr + 4, U64_HI(mapping));
 308 }
 309
 310 static void storm_memset_spq_addr(struct bnx2x *bp,
 311                                   dma_addr_t mapping, u16 abs_fid)
 312 {
 313         u32 addr = XSEM_REG_FAST_MEMORY +
 314                         XSTORM_SPQ_PAGE_BASE_OFFSET(abs_fid);
 315
 316         __storm_memset_dma_mapping(bp, addr, mapping);
 317 }
 318
 319 static void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
 320                                   u16 pf_id)
 321 {
 322         REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
 323                 pf_id);
 324         REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
 325                 pf_id);
 326         REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
 327                 pf_id);
 328         REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
 329                 pf_id);
 330 }
 331
 332 static void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
 333                                  u8 enable)
 334 {
 335         REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
 336                 enable);
 337         REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
 338                 enable);
 339         REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
 340                 enable);
 341         REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
 342                 enable);
 343 }
 344
 345 static void storm_memset_eq_data(struct bnx2x *bp,
 346                                  struct event_ring_data *eq_data,
 347                                 u16 pfid)
 348 {
 349         size_t size = sizeof(struct event_ring_data);
 350
 351         u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_DATA_OFFSET(pfid);
 352
 353         __storm_memset_struct(bp, addr, size, (u32 *)eq_data);
 354 }
 355
 356 static void storm_memset_eq_prod(struct bnx2x *bp, u16 eq_prod,
 357                                  u16 pfid)
 358 {
 359         u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_PROD_OFFSET(pfid);
 360         REG_WR16(bp, addr, eq_prod);
 361 }
 362
 363 /* used only at init
 364  * locking is done by mcp
 365  */
 366 static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
 367 {
 368         pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
 369         pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
 370         pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
 371                                PCICFG_VENDOR_ID_OFFSET);
 372 }
 373
 374 static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
 375 {
 376         u32 val;
 377
 378         pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
 379         pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
 380         pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
 381                                PCICFG_VENDOR_ID_OFFSET);
 382
 383         return val;
 384 }
 385
 386 #define DMAE_DP_SRC_GRC         "grc src_addr [%08x]"
 387 #define DMAE_DP_SRC_PCI         "pci src_addr [%x:%08x]"
 388 #define DMAE_DP_DST_GRC         "grc dst_addr [%08x]"
 389 #define DMAE_DP_DST_PCI         "pci dst_addr [%x:%08x]"
 390 #define DMAE_DP_DST_NONE        "dst_addr [none]"
 391
 392 static void bnx2x_dp_dmae(struct bnx2x *bp,
 393                           struct dmae_command *dmae, int msglvl)
 394 {
 395         u32 src_type = dmae->opcode & DMAE_COMMAND_SRC;
 396         int i;
 397
 398         switch (dmae->opcode & DMAE_COMMAND_DST) {
 399         case DMAE_CMD_DST_PCI:
 400                 if (src_type == DMAE_CMD_SRC_PCI)
 401                         DP(msglvl, "DMAE: opcode 0x%08x\n"
 402                            "src [%x:%08x], len [%d*4], dst [%x:%08x]\n"
 403                            "comp_addr [%x:%08x], comp_val 0x%08x\n",
 404                            dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
 405                            dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
 406                            dmae->comp_addr_hi, dmae->comp_addr_lo,
 407                            dmae->comp_val);
 408                 else
 409                         DP(msglvl, "DMAE: opcode 0x%08x\n"
 410                            "src [%08x], len [%d*4], dst [%x:%08x]\n"
 411                            "comp_addr [%x:%08x], comp_val 0x%08x\n",
 412                            dmae->opcode, dmae->src_addr_lo >> 2,
 413                            dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
 414                            dmae->comp_addr_hi, dmae->comp_addr_lo,
 415                            dmae->comp_val);
 416                 break;
 417         case DMAE_CMD_DST_GRC:
 418                 if (src_type == DMAE_CMD_SRC_PCI)
 419                         DP(msglvl, "DMAE: opcode 0x%08x\n"
 420                            "src [%x:%08x], len [%d*4], dst_addr [%08x]\n"
 421                            "comp_addr [%x:%08x], comp_val 0x%08x\n",
 422                            dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
 423                            dmae->len, dmae->dst_addr_lo >> 2,
 424                            dmae->comp_addr_hi, dmae->comp_addr_lo,
 425                            dmae->comp_val);
 426                 else
 427                         DP(msglvl, "DMAE: opcode 0x%08x\n"
 428                            "src [%08x], len [%d*4], dst [%08x]\n"
 429                            "comp_addr [%x:%08x], comp_val 0x%08x\n",
 430                            dmae->opcode, dmae->src_addr_lo >> 2,
 431                            dmae->len, dmae->dst_addr_lo >> 2,
 432                            dmae->comp_addr_hi, dmae->comp_addr_lo,
 433                            dmae->comp_val);
 434                 break;
 435         default:
 436                 if (src_type == DMAE_CMD_SRC_PCI)
 437                         DP(msglvl, "DMAE: opcode 0x%08x\n"
 438                            "src_addr [%x:%08x]  len [%d * 4]  dst_addr [none]\n"
 439                            "comp_addr [%x:%08x]  comp_val 0x%08x\n",
 440                            dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
 441                            dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
 442                            dmae->comp_val);
 443                 else
 444                         DP(msglvl, "DMAE: opcode 0x%08x\n"
 445                            "src_addr [%08x]  len [%d * 4]  dst_addr [none]\n"
 446                            "comp_addr [%x:%08x]  comp_val 0x%08x\n",
 447                            dmae->opcode, dmae->src_addr_lo >> 2,
 448                            dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
 449                            dmae->comp_val);
 450                 break;
 451         }
 452
 453         for (i = 0; i < (sizeof(struct dmae_command)/4); i++)
 454                 DP(msglvl, "DMAE RAW [%02d]: 0x%08x\n",
 455                    i, *(((u32 *)dmae) + i));
 456 }
 457
 458 /* copy command into DMAE command memory and set DMAE command go */
 459 void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, int idx)
 460 {
 461         u32 cmd_offset;
 462         int i;
 463
 464         cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
 465         for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
 466                 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
 467         }
 468         REG_WR(bp, dmae_reg_go_c[idx], 1);
 469 }
 470
 471 u32 bnx2x_dmae_opcode_add_comp(u32 opcode, u8 comp_type)
 472 {
 473         return opcode | ((comp_type << DMAE_COMMAND_C_DST_SHIFT) |
 474                            DMAE_CMD_C_ENABLE);
 475 }
 476
 477 u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode)
 478 {
 479         return opcode & ~DMAE_CMD_SRC_RESET;
 480 }
 481
 482 u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
 483                              bool with_comp, u8 comp_type)
 484 {
 485         u32 opcode = 0;
 486
 487         opcode |= ((src_type << DMAE_COMMAND_SRC_SHIFT) |
 488                    (dst_type << DMAE_COMMAND_DST_SHIFT));
 489
 490         opcode |= (DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET);
 491
 492         opcode |= (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0);
 493         opcode |= ((BP_VN(bp) << DMAE_CMD_E1HVN_SHIFT) |
 494                    (BP_VN(bp) << DMAE_COMMAND_DST_VN_SHIFT));
 495         opcode |= (DMAE_COM_SET_ERR << DMAE_COMMAND_ERR_POLICY_SHIFT);
 496
 497 #ifdef __BIG_ENDIAN
 498         opcode |= DMAE_CMD_ENDIANITY_B_DW_SWAP;
 499 #else
 500         opcode |= DMAE_CMD_ENDIANITY_DW_SWAP;
 501 #endif
 502         if (with_comp)
 503                 opcode = bnx2x_dmae_opcode_add_comp(opcode, comp_type);
 504         return opcode;
 505 }
 506
 507 void bnx2x_prep_dmae_with_comp(struct bnx2x *bp,
 508                                       struct dmae_command *dmae,
 509                                       u8 src_type, u8 dst_type)
 510 {
 511         memset(dmae, 0, sizeof(struct dmae_command));
 512
 513         /* set the opcode */
 514         dmae->opcode = bnx2x_dmae_opcode(bp, src_type, dst_type,
 515                                          true, DMAE_COMP_PCI);
 516
 517         /* fill in the completion parameters */
 518         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
 519         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
 520         dmae->comp_val = DMAE_COMP_VAL;
 521 }
 522
 523 /* issue a dmae command over the init-channel and wait for completion */
 524 int bnx2x_issue_dmae_with_comp(struct bnx2x *bp, struct dmae_command *dmae,
 525                                u32 *comp)
 526 {
 527         int cnt = CHIP_REV_IS_SLOW(bp) ? (400000) : 4000;
 528         int rc = 0;
 529
 530         bnx2x_dp_dmae(bp, dmae, BNX2X_MSG_DMAE);
 531
 532         /* Lock the dmae channel. Disable BHs to prevent a dead-lock
 533          * as long as this code is called both from syscall context and
 534          * from ndo_set_rx_mode() flow that may be called from BH.
 535          */
 536
 537         spin_lock_bh(&bp->dmae_lock);
 538
 539         /* reset completion */
 540         *comp = 0;
 541
 542         /* post the command on the channel used for initializations */
 543         bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
 544
 545         /* wait for completion */
 546         udelay(5);
 547         while ((*comp & ~DMAE_PCI_ERR_FLAG) != DMAE_COMP_VAL) {
 548
 549                 if (!cnt ||
 550                     (bp->recovery_state != BNX2X_RECOVERY_DONE &&
 551                      bp->recovery_state != BNX2X_RECOVERY_NIC_LOADING)) {
 552                         BNX2X_ERR("DMAE timeout!\n");
 553                         rc = DMAE_TIMEOUT;
 554                         goto unlock;
 555                 }
 556                 cnt--;
 557                 udelay(50);
 558         }
 559         if (*comp & DMAE_PCI_ERR_FLAG) {
 560                 BNX2X_ERR("DMAE PCI error!\n");
 561                 rc = DMAE_PCI_ERROR;
 562         }
 563
 564 unlock:
 565
 566         spin_unlock_bh(&bp->dmae_lock);
 567
 568         return rc;
 569 }
 570
 571 void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
 572                       u32 len32)
 573 {
 574         int rc;
 575         struct dmae_command dmae;
 576
 577         if (!bp->dmae_ready) {
 578                 u32 *data = bnx2x_sp(bp, wb_data[0]);
 579
 580                 if (CHIP_IS_E1(bp))
 581                         bnx2x_init_ind_wr(bp, dst_addr, data, len32);
 582                 else
 583                         bnx2x_init_str_wr(bp, dst_addr, data, len32);
 584                 return;
 585         }
 586
 587         /* set opcode and fixed command fields */
 588         bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_GRC);
 589
 590         /* fill in addresses and len */
 591         dmae.src_addr_lo = U64_LO(dma_addr);
 592         dmae.src_addr_hi = U64_HI(dma_addr);
 593         dmae.dst_addr_lo = dst_addr >> 2;
 594         dmae.dst_addr_hi = 0;
 595         dmae.len = len32;
 596
 597         /* issue the command and wait for completion */
 598         rc = bnx2x_issue_dmae_with_comp(bp, &dmae, bnx2x_sp(bp, wb_comp));
 599         if (rc) {
 600                 BNX2X_ERR("DMAE returned failure %d\n", rc);
 601 #ifdef BNX2X_STOP_ON_ERROR
 602                 bnx2x_panic();
 603 #endif
 604         }
 605 }
 606
 607 void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
 608 {
 609         int rc;
 610         struct dmae_command dmae;
 611
 612         if (!bp->dmae_ready) {
 613                 u32 *data = bnx2x_sp(bp, wb_data[0]);
 614                 int i;
 615
 616                 if (CHIP_IS_E1(bp))
 617                         for (i = 0; i < len32; i++)
 618                                 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
 619                 else
 620                         for (i = 0; i < len32; i++)
 621                                 data[i] = REG_RD(bp, src_addr + i*4);
 622
 623                 return;
 624         }
 625
 626         /* set opcode and fixed command fields */
 627         bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_GRC, DMAE_DST_PCI);
 628
 629         /* fill in addresses and len */
 630         dmae.src_addr_lo = src_addr >> 2;
 631         dmae.src_addr_hi = 0;
 632         dmae.dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
 633         dmae.dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
 634         dmae.len = len32;
 635
 636         /* issue the command and wait for completion */
 637         rc = bnx2x_issue_dmae_with_comp(bp, &dmae, bnx2x_sp(bp, wb_comp));
 638         if (rc) {
 639                 BNX2X_ERR("DMAE returned failure %d\n", rc);
 640 #ifdef BNX2X_STOP_ON_ERROR
 641                 bnx2x_panic();
 642 #endif
 643         }
 644 }
 645
 646 static void bnx2x_write_dmae_phys_len(struct bnx2x *bp, dma_addr_t phys_addr,
 647                                       u32 addr, u32 len)
 648 {
 649         int dmae_wr_max = DMAE_LEN32_WR_MAX(bp);
 650         int offset = 0;
 651
 652         while (len > dmae_wr_max) {
 653                 bnx2x_write_dmae(bp, phys_addr + offset,
 654                                  addr + offset, dmae_wr_max);
 655                 offset += dmae_wr_max * 4;
 656                 len -= dmae_wr_max;
 657         }
 658
 659         bnx2x_write_dmae(bp, phys_addr + offset, addr + offset, len);
 660 }
 661
 662 enum storms {
 663            XSTORM,
 664            TSTORM,
 665            CSTORM,
 666            USTORM,
 667            MAX_STORMS
 668 };
 669
 670 #define STORMS_NUM 4
 671 #define REGS_IN_ENTRY 4
 672
 673 static inline int bnx2x_get_assert_list_entry(struct bnx2x *bp,
 674                                               enum storms storm,
 675                                               int entry)
 676 {
 677         switch (storm) {
 678         case XSTORM:
 679                 return XSTORM_ASSERT_LIST_OFFSET(entry);
 680         case TSTORM:
 681                 return TSTORM_ASSERT_LIST_OFFSET(entry);
 682         case CSTORM:
 683                 return CSTORM_ASSERT_LIST_OFFSET(entry);
 684         case USTORM:
 685                 return USTORM_ASSERT_LIST_OFFSET(entry);
 686         case MAX_STORMS:
 687         default:
 688                 BNX2X_ERR("unknown storm\n");
 689         }
 690         return -EINVAL;
 691 }
 692
 693 static int bnx2x_mc_assert(struct bnx2x *bp)
 694 {
 695         char last_idx;
 696         int i, j, rc = 0;
 697         enum storms storm;
 698         u32 regs[REGS_IN_ENTRY];
 699         u32 bar_storm_intmem[STORMS_NUM] = {
 700                 BAR_XSTRORM_INTMEM,
 701                 BAR_TSTRORM_INTMEM,
 702                 BAR_CSTRORM_INTMEM,
 703                 BAR_USTRORM_INTMEM
 704         };
 705         u32 storm_assert_list_index[STORMS_NUM] = {
 706                 XSTORM_ASSERT_LIST_INDEX_OFFSET,
 707                 TSTORM_ASSERT_LIST_INDEX_OFFSET,
 708                 CSTORM_ASSERT_LIST_INDEX_OFFSET,
 709                 USTORM_ASSERT_LIST_INDEX_OFFSET
 710         };
 711         char *storms_string[STORMS_NUM] = {
 712                 "XSTORM",
 713                 "TSTORM",
 714                 "CSTORM",
 715                 "USTORM"
 716         };
 717
 718         for (storm = XSTORM; storm < MAX_STORMS; storm++) {
 719                 last_idx = REG_RD8(bp, bar_storm_intmem[storm] +
 720                                    storm_assert_list_index[storm]);
 721                 if (last_idx)
 722                         BNX2X_ERR("%s_ASSERT_LIST_INDEX 0x%x\n",
 723                                   storms_string[storm], last_idx);
 724
 725                 /* print the asserts */
 726                 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
 727                         /* read a single assert entry */
 728                         for (j = 0; j < REGS_IN_ENTRY; j++)
 729                                 regs[j] = REG_RD(bp, bar_storm_intmem[storm] +
 730                                           bnx2x_get_assert_list_entry(bp,
 731                                                                       storm,
 732                                                                       i) +
 733                                           sizeof(u32) * j);
 734
 735                         /* log entry if it contains a valid assert */
 736                         if (regs[0] != COMMON_ASM_INVALID_ASSERT_OPCODE) {
 737                                 BNX2X_ERR("%s_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
 738                                           storms_string[storm], i, regs[3],
 739                                           regs[2], regs[1], regs[0]);
 740                                 rc++;
 741                         } else {
 742                                 break;
 743                         }
 744                 }
 745         }
 746
 747         BNX2X_ERR("Chip Revision: %s, FW Version: %d_%d_%d\n",
 748                   CHIP_IS_E1(bp) ? "everest1" :
 749                   CHIP_IS_E1H(bp) ? "everest1h" :
 750                   CHIP_IS_E2(bp) ? "everest2" : "everest3",
 751                   BCM_5710_FW_MAJOR_VERSION,
 752                   BCM_5710_FW_MINOR_VERSION,
 753                   BCM_5710_FW_REVISION_VERSION);
 754
 755         return rc;
 756 }
 757
 758 #define MCPR_TRACE_BUFFER_SIZE  (0x800)
 759 #define SCRATCH_BUFFER_SIZE(bp) \
 760         (CHIP_IS_E1(bp) ? 0x10000 : (CHIP_IS_E1H(bp) ? 0x20000 : 0x28000))
 761
 762 void bnx2x_fw_dump_lvl(struct bnx2x *bp, const char *lvl)
 763 {
 764         u32 addr, val;
 765         u32 mark, offset;
 766         __be32 data[9];
 767         int word;
 768         u32 trace_shmem_base;
 769         if (BP_NOMCP(bp)) {
 770                 BNX2X_ERR("NO MCP - can not dump\n");
 771                 return;
 772         }
 773         netdev_printk(lvl, bp->dev, "bc %d.%d.%d\n",
 774                 (bp->common.bc_ver & 0xff0000) >> 16,
 775                 (bp->common.bc_ver & 0xff00) >> 8,
 776                 (bp->common.bc_ver & 0xff));
 777
 778         val = REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER);
 779         if (val == REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER))
 780                 BNX2X_ERR("%s" "MCP PC at 0x%x\n", lvl, val);
 781
 782         if (BP_PATH(bp) == 0)
 783                 trace_shmem_base = bp->common.shmem_base;
 784         else
 785                 trace_shmem_base = SHMEM2_RD(bp, other_shmem_base_addr);
 786
 787         /* sanity */
 788         if (trace_shmem_base < MCPR_SCRATCH_BASE(bp) + MCPR_TRACE_BUFFER_SIZE ||
 789             trace_shmem_base >= MCPR_SCRATCH_BASE(bp) +
 790                                 SCRATCH_BUFFER_SIZE(bp)) {
 791                 BNX2X_ERR("Unable to dump trace buffer (mark %x)\n",
 792                           trace_shmem_base);
 793                 return;
 794         }
 795
 796         addr = trace_shmem_base - MCPR_TRACE_BUFFER_SIZE;
 797
 798         /* validate TRCB signature */
 799         mark = REG_RD(bp, addr);
 800         if (mark != MFW_TRACE_SIGNATURE) {
 801                 BNX2X_ERR("Trace buffer signature is missing.");
 802                 return ;
 803         }
 804
 805         /* read cyclic buffer pointer */
 806         addr += 4;
 807         mark = REG_RD(bp, addr);
 808         mark = MCPR_SCRATCH_BASE(bp) + ((mark + 0x3) & ~0x3) - 0x08000000;
 809         if (mark >= trace_shmem_base || mark < addr + 4) {
 810                 BNX2X_ERR("Mark doesn't fall inside Trace Buffer\n");
 811                 return;
 812         }
 813         printk("%s" "begin fw dump (mark 0x%x)\n", lvl, mark);
 814
 815         printk("%s", lvl);
 816
 817         /* dump buffer after the mark */
 818         for (offset = mark; offset < trace_shmem_base; offset += 0x8*4) {
 819                 for (word = 0; word < 8; word++)
 820                         data[word] = htonl(REG_RD(bp, offset + 4*word));
 821                 data[8] = 0x0;
 822                 pr_cont("%s", (char *)data);
 823         }
 824
 825         /* dump buffer before the mark */
 826         for (offset = addr + 4; offset <= mark; offset += 0x8*4) {
 827                 for (word = 0; word < 8; word++)
 828                         data[word] = htonl(REG_RD(bp, offset + 4*word));
 829                 data[8] = 0x0;
 830                 pr_cont("%s", (char *)data);
 831         }
 832         printk("%s" "end of fw dump\n", lvl);
 833 }
 834
 835 static void bnx2x_fw_dump(struct bnx2x *bp)
 836 {
 837         bnx2x_fw_dump_lvl(bp, KERN_ERR);
 838 }
 839
 840 static void bnx2x_hc_int_disable(struct bnx2x *bp)
 841 {
 842         int port = BP_PORT(bp);
 843         u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
 844         u32 val = REG_RD(bp, addr);
 845
 846         /* in E1 we must use only PCI configuration space to disable
 847          * MSI/MSIX capability
 848          * It's forbidden to disable IGU_PF_CONF_MSI_MSIX_EN in HC block
 849          */
 850         if (CHIP_IS_E1(bp)) {
 851                 /* Since IGU_PF_CONF_MSI_MSIX_EN still always on
 852                  * Use mask register to prevent from HC sending interrupts
 853                  * after we exit the function
 854                  */
 855                 REG_WR(bp, HC_REG_INT_MASK + port*4, 0);
 856
 857                 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
 858                          HC_CONFIG_0_REG_INT_LINE_EN_0 |
 859                          HC_CONFIG_0_REG_ATTN_BIT_EN_0);
 860         } else
 861                 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
 862                          HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
 863                          HC_CONFIG_0_REG_INT_LINE_EN_0 |
 864                          HC_CONFIG_0_REG_ATTN_BIT_EN_0);
 865
 866         DP(NETIF_MSG_IFDOWN,
 867            "write %x to HC %d (addr 0x%x)\n",
 868            val, port, addr);
 869
 870         /* flush all outstanding writes */
 871         mmiowb();
 872
 873         REG_WR(bp, addr, val);
 874         if (REG_RD(bp, addr) != val)
 875                 BNX2X_ERR("BUG! Proper val not read from IGU!\n");
 876 }
 877
 878 static void bnx2x_igu_int_disable(struct bnx2x *bp)
 879 {
 880         u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
 881
 882         val &= ~(IGU_PF_CONF_MSI_MSIX_EN |
 883                  IGU_PF_CONF_INT_LINE_EN |
 884                  IGU_PF_CONF_ATTN_BIT_EN);
 885
 886         DP(NETIF_MSG_IFDOWN, "write %x to IGU\n", val);
 887
 888         /* flush all outstanding writes */
 889         mmiowb();
 890
 891         REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
 892         if (REG_RD(bp, IGU_REG_PF_CONFIGURATION) != val)
 893                 BNX2X_ERR("BUG! Proper val not read from IGU!\n");
 894 }
 895
 896 static void bnx2x_int_disable(struct bnx2x *bp)
 897 {
 898         if (bp->common.int_block == INT_BLOCK_HC)
 899                 bnx2x_hc_int_disable(bp);
 900         else
 901                 bnx2x_igu_int_disable(bp);
 902 }
 903
 904 void bnx2x_panic_dump(struct bnx2x *bp, bool disable_int)
 905 {
 906         int i;
 907         u16 j;
 908         struct hc_sp_status_block_data sp_sb_data;
 909         int func = BP_FUNC(bp);
 910 #ifdef BNX2X_STOP_ON_ERROR
 911         u16 start = 0, end = 0;
 912         u8 cos;
 913 #endif
 914         if (IS_PF(bp) && disable_int)
 915                 bnx2x_int_disable(bp);
 916
 917         bp->stats_state = STATS_STATE_DISABLED;
 918         bp->eth_stats.unrecoverable_error++;
 919         DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
 920
 921         BNX2X_ERR("begin crash dump -----------------\n");
 922
 923         /* Indices */
 924         /* Common */
 925         if (IS_PF(bp)) {
 926                 struct host_sp_status_block *def_sb = bp->def_status_blk;
 927                 int data_size, cstorm_offset;
 928
 929                 BNX2X_ERR("def_idx(0x%x)  def_att_idx(0x%x)  attn_state(0x%x)  spq_prod_idx(0x%x) next_stats_cnt(0x%x)\n",
 930                           bp->def_idx, bp->def_att_idx, bp->attn_state,
 931                           bp->spq_prod_idx, bp->stats_counter);
 932                 BNX2X_ERR("DSB: attn bits(0x%x)  ack(0x%x)  id(0x%x)  idx(0x%x)\n",
 933                           def_sb->atten_status_block.attn_bits,
 934                           def_sb->atten_status_block.attn_bits_ack,
 935                           def_sb->atten_status_block.status_block_id,
 936                           def_sb->atten_status_block.attn_bits_index);
 937                 BNX2X_ERR("     def (");
 938                 for (i = 0; i < HC_SP_SB_MAX_INDICES; i++)
 939                         pr_cont("0x%x%s",
 940                                 def_sb->sp_sb.index_values[i],
 941                                 (i == HC_SP_SB_MAX_INDICES - 1) ? ")  " : " ");
 942
 943                 data_size = sizeof(struct hc_sp_status_block_data) /
 944                             sizeof(u32);
 945                 cstorm_offset = CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func);
 946                 for (i = 0; i < data_size; i++)
 947                         *((u32 *)&sp_sb_data + i) =
 948                                 REG_RD(bp, BAR_CSTRORM_INTMEM + cstorm_offset +
 949                                            i * sizeof(u32));
 950
 951                 pr_cont("igu_sb_id(0x%x)  igu_seg_id(0x%x) pf_id(0x%x)  vnic_id(0x%x)  vf_id(0x%x)  vf_valid (0x%x) state(0x%x)\n",
 952                         sp_sb_data.igu_sb_id,
 953                         sp_sb_data.igu_seg_id,
 954                         sp_sb_data.p_func.pf_id,
 955                         sp_sb_data.p_func.vnic_id,
 956                         sp_sb_data.p_func.vf_id,
 957                         sp_sb_data.p_func.vf_valid,
 958                         sp_sb_data.state);
 959         }
 960
 961         for_each_eth_queue(bp, i) {
 962                 struct bnx2x_fastpath *fp = &bp->fp[i];
 963                 int loop;
 964                 struct hc_status_block_data_e2 sb_data_e2;
 965                 struct hc_status_block_data_e1x sb_data_e1x;
 966                 struct hc_status_block_sm  *hc_sm_p =
 967                         CHIP_IS_E1x(bp) ?
 968                         sb_data_e1x.common.state_machine :
 969                         sb_data_e2.common.state_machine;
 970                 struct hc_index_data *hc_index_p =
 971                         CHIP_IS_E1x(bp) ?
 972                         sb_data_e1x.index_data :
 973                         sb_data_e2.index_data;
 974                 u8 data_size, cos;
 975                 u32 *sb_data_p;
 976                 struct bnx2x_fp_txdata txdata;
 977
 978                 if (!bp->fp)
 979                         break;
 980
 981                 if (!fp->rx_cons_sb)
 982                         continue;
 983
 984                 /* Rx */
 985                 BNX2X_ERR("fp%d: rx_bd_prod(0x%x)  rx_bd_cons(0x%x)  rx_comp_prod(0x%x)  rx_comp_cons(0x%x)  *rx_cons_sb(0x%x)\n",
 986                           i, fp->rx_bd_prod, fp->rx_bd_cons,
 987                           fp->rx_comp_prod,
 988                           fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
 989                 BNX2X_ERR("     rx_sge_prod(0x%x)  last_max_sge(0x%x)  fp_hc_idx(0x%x)\n",
 990                           fp->rx_sge_prod, fp->last_max_sge,
 991                           le16_to_cpu(fp->fp_hc_idx));
 992
 993                 /* Tx */
 994                 for_each_cos_in_tx_queue(fp, cos)
 995                 {
 996                         if (!fp->txdata_ptr[cos])
 997                                 break;
 998
 999                         txdata = *fp->txdata_ptr[cos];
1000
1001                         if (!txdata.tx_cons_sb)
1002                                 continue;
1003
1004                         BNX2X_ERR("fp%d: tx_pkt_prod(0x%x)  tx_pkt_cons(0x%x)  tx_bd_prod(0x%x)  tx_bd_cons(0x%x)  *tx_cons_sb(0x%x)\n",
1005                                   i, txdata.tx_pkt_prod,
1006                                   txdata.tx_pkt_cons, txdata.tx_bd_prod,
1007                                   txdata.tx_bd_cons,
1008                                   le16_to_cpu(*txdata.tx_cons_sb));
1009                 }
1010
1011                 loop = CHIP_IS_E1x(bp) ?
1012                         HC_SB_MAX_INDICES_E1X : HC_SB_MAX_INDICES_E2;
1013
1014                 /* host sb data */
1015
1016                 if (IS_FCOE_FP(fp))
1017                         continue;
1018
1019                 BNX2X_ERR("     run indexes (");
1020                 for (j = 0; j < HC_SB_MAX_SM; j++)
1021                         pr_cont("0x%x%s",
1022                                fp->sb_running_index[j],
1023                                (j == HC_SB_MAX_SM - 1) ? ")" : " ");
1024
1025                 BNX2X_ERR("     indexes (");
1026                 for (j = 0; j < loop; j++)
1027                         pr_cont("0x%x%s",
1028                                fp->sb_index_values[j],
1029                                (j == loop - 1) ? ")" : " ");
1030
1031                 /* VF cannot access FW refelection for status block */
1032                 if (IS_VF(bp))
1033                         continue;
1034
1035                 /* fw sb data */
1036                 data_size = CHIP_IS_E1x(bp) ?
1037                         sizeof(struct hc_status_block_data_e1x) :
1038                         sizeof(struct hc_status_block_data_e2);
1039                 data_size /= sizeof(u32);
1040                 sb_data_p = CHIP_IS_E1x(bp) ?
1041                         (u32 *)&sb_data_e1x :
1042                         (u32 *)&sb_data_e2;
1043                 /* copy sb data in here */
1044                 for (j = 0; j < data_size; j++)
1045                         *(sb_data_p + j) = REG_RD(bp, BAR_CSTRORM_INTMEM +
1046                                 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id) +
1047                                 j * sizeof(u32));
1048
1049                 if (!CHIP_IS_E1x(bp)) {
1050                         pr_cont("pf_id(0x%x)  vf_id(0x%x)  vf_valid(0x%x) vnic_id(0x%x)  same_igu_sb_1b(0x%x) state(0x%x)\n",
1051                                 sb_data_e2.common.p_func.pf_id,
1052                                 sb_data_e2.common.p_func.vf_id,
1053                                 sb_data_e2.common.p_func.vf_valid,
1054                                 sb_data_e2.common.p_func.vnic_id,
1055                                 sb_data_e2.common.same_igu_sb_1b,
1056                                 sb_data_e2.common.state);
1057                 } else {
1058                         pr_cont("pf_id(0x%x)  vf_id(0x%x)  vf_valid(0x%x) vnic_id(0x%x)  same_igu_sb_1b(0x%x) state(0x%x)\n",
1059                                 sb_data_e1x.common.p_func.pf_id,
1060                                 sb_data_e1x.common.p_func.vf_id,
1061                                 sb_data_e1x.common.p_func.vf_valid,
1062                                 sb_data_e1x.common.p_func.vnic_id,
1063                                 sb_data_e1x.common.same_igu_sb_1b,
1064                                 sb_data_e1x.common.state);
1065                 }
1066
1067                 /* SB_SMs data */
1068                 for (j = 0; j < HC_SB_MAX_SM; j++) {
1069                         pr_cont("SM[%d] __flags (0x%x) igu_sb_id (0x%x)  igu_seg_id(0x%x) time_to_expire (0x%x) timer_value(0x%x)\n",
1070                                 j, hc_sm_p[j].__flags,
1071                                 hc_sm_p[j].igu_sb_id,
1072                                 hc_sm_p[j].igu_seg_id,
1073                                 hc_sm_p[j].time_to_expire,
1074                                 hc_sm_p[j].timer_value);
1075                 }
1076
1077                 /* Indices data */
1078                 for (j = 0; j < loop; j++) {
1079                         pr_cont("INDEX[%d] flags (0x%x) timeout (0x%x)\n", j,
1080                                hc_index_p[j].flags,
1081                                hc_index_p[j].timeout);
1082                 }
1083         }
1084
1085 #ifdef BNX2X_STOP_ON_ERROR
1086         if (IS_PF(bp)) {
1087                 /* event queue */
1088                 BNX2X_ERR("eq cons %x prod %x\n", bp->eq_cons, bp->eq_prod);
1089                 for (i = 0; i < NUM_EQ_DESC; i++) {
1090                         u32 *data = (u32 *)&bp->eq_ring[i].message.data;
1091
1092                         BNX2X_ERR("event queue [%d]: header: opcode %d, error %d\n",
1093                                   i, bp->eq_ring[i].message.opcode,
1094                                   bp->eq_ring[i].message.error);
1095                         BNX2X_ERR("data: %x %x %x\n",
1096                                   data[0], data[1], data[2]);
1097                 }
1098         }
1099
1100         /* Rings */
1101         /* Rx */
1102         for_each_valid_rx_queue(bp, i) {
1103                 struct bnx2x_fastpath *fp = &bp->fp[i];
1104
1105                 if (!bp->fp)
1106                         break;
1107
1108                 if (!fp->rx_cons_sb)
1109                         continue;
1110
1111                 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
1112                 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
1113                 for (j = start; j != end; j = RX_BD(j + 1)) {
1114                         u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
1115                         struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
1116
1117                         BNX2X_ERR("fp%d: rx_bd[%x]=[%x:%x]  sw_bd=[%p]\n",
1118                                   i, j, rx_bd[1], rx_bd[0], sw_bd->data);
1119                 }
1120
1121                 start = RX_SGE(fp->rx_sge_prod);
1122                 end = RX_SGE(fp->last_max_sge);
1123                 for (j = start; j != end; j = RX_SGE(j + 1)) {
1124                         u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
1125                         struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
1126
1127                         BNX2X_ERR("fp%d: rx_sge[%x]=[%x:%x]  sw_page=[%p]\n",
1128                                   i, j, rx_sge[1], rx_sge[0], sw_page->page);
1129                 }
1130
1131                 start = RCQ_BD(fp->rx_comp_cons - 10);
1132                 end = RCQ_BD(fp->rx_comp_cons + 503);
1133                 for (j = start; j != end; j = RCQ_BD(j + 1)) {
1134                         u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
1135
1136                         BNX2X_ERR("fp%d: cqe[%x]=[%x:%x:%x:%x]\n",
1137                                   i, j, cqe[0], cqe[1], cqe[2], cqe[3]);
1138                 }
1139         }
1140
1141         /* Tx */
1142         for_each_valid_tx_queue(bp, i) {
1143                 struct bnx2x_fastpath *fp = &bp->fp[i];
1144
1145                 if (!bp->fp)
1146                         break;
1147
1148                 for_each_cos_in_tx_queue(fp, cos) {
1149                         struct bnx2x_fp_txdata *txdata = fp->txdata_ptr[cos];
1150
1151                         if (!fp->txdata_ptr[cos])
1152                                 break;
1153
1154                         if (!txdata->tx_cons_sb)
1155                                 continue;
1156
1157                         start = TX_BD(le16_to_cpu(*txdata->tx_cons_sb) - 10);
1158                         end = TX_BD(le16_to_cpu(*txdata->tx_cons_sb) + 245);
1159                         for (j = start; j != end; j = TX_BD(j + 1)) {
1160                                 struct sw_tx_bd *sw_bd =
1161                                         &txdata->tx_buf_ring[j];
1162
1163                                 BNX2X_ERR("fp%d: txdata %d, packet[%x]=[%p,%x]\n",
1164                                           i, cos, j, sw_bd->skb,
1165                                           sw_bd->first_bd);
1166                         }
1167
1168                         start = TX_BD(txdata->tx_bd_cons - 10);
1169                         end = TX_BD(txdata->tx_bd_cons + 254);
1170                         for (j = start; j != end; j = TX_BD(j + 1)) {
1171                                 u32 *tx_bd = (u32 *)&txdata->tx_desc_ring[j];
1172
1173                                 BNX2X_ERR("fp%d: txdata %d, tx_bd[%x]=[%x:%x:%x:%x]\n",
1174                                           i, cos, j, tx_bd[0], tx_bd[1],
1175                                           tx_bd[2], tx_bd[3]);
1176                         }
1177                 }
1178         }
1179 #endif
1180         if (IS_PF(bp)) {
1181                 bnx2x_fw_dump(bp);
1182                 bnx2x_mc_assert(bp);
1183         }
1184         BNX2X_ERR("end crash dump -----------------\n");
1185 }
1186
1187 /*
1188  * FLR Support for E2
1189  *
1190  * bnx2x_pf_flr_clnup() is called during nic_load in the per function HW
1191  * initialization.
1192  */
1193 #define FLR_WAIT_USEC           10000   /* 10 milliseconds */
1194 #define FLR_WAIT_INTERVAL       50      /* usec */
1195 #define FLR_POLL_CNT            (FLR_WAIT_USEC/FLR_WAIT_INTERVAL) /* 200 */
1196
1197 struct pbf_pN_buf_regs {
1198         int pN;
1199         u32 init_crd;
1200         u32 crd;
1201         u32 crd_freed;
1202 };
1203
1204 struct pbf_pN_cmd_regs {
1205         int pN;
1206         u32 lines_occup;
1207         u32 lines_freed;
1208 };
1209
1210 static void bnx2x_pbf_pN_buf_flushed(struct bnx2x *bp,
1211                                      struct pbf_pN_buf_regs *regs,
1212                                      u32 poll_count)
1213 {
1214         u32 init_crd, crd, crd_start, crd_freed, crd_freed_start;
1215         u32 cur_cnt = poll_count;
1216
1217         crd_freed = crd_freed_start = REG_RD(bp, regs->crd_freed);
1218         crd = crd_start = REG_RD(bp, regs->crd);
1219         init_crd = REG_RD(bp, regs->init_crd);
1220
1221         DP(BNX2X_MSG_SP, "INIT CREDIT[%d] : %x\n", regs->pN, init_crd);
1222         DP(BNX2X_MSG_SP, "CREDIT[%d]      : s:%x\n", regs->pN, crd);
1223         DP(BNX2X_MSG_SP, "CREDIT_FREED[%d]: s:%x\n", regs->pN, crd_freed);
1224
1225         while ((crd != init_crd) && ((u32)SUB_S32(crd_freed, crd_freed_start) <
1226                (init_crd - crd_start))) {
1227                 if (cur_cnt--) {
1228                         udelay(FLR_WAIT_INTERVAL);
1229                         crd = REG_RD(bp, regs->crd);
1230                         crd_freed = REG_RD(bp, regs->crd_freed);
1231                 } else {
1232                         DP(BNX2X_MSG_SP, "PBF tx buffer[%d] timed out\n",
1233                            regs->pN);
1234                         DP(BNX2X_MSG_SP, "CREDIT[%d]      : c:%x\n",
1235                            regs->pN, crd);
1236                         DP(BNX2X_MSG_SP, "CREDIT_FREED[%d]: c:%x\n",
1237                            regs->pN, crd_freed);
1238                         break;
1239                 }
1240         }
1241         DP(BNX2X_MSG_SP, "Waited %d*%d usec for PBF tx buffer[%d]\n",
1242            poll_count-cur_cnt, FLR_WAIT_INTERVAL, regs->pN);
1243 }
1244
1245 static void bnx2x_pbf_pN_cmd_flushed(struct bnx2x *bp,
1246                                      struct pbf_pN_cmd_regs *regs,
1247                                      u32 poll_count)
1248 {
1249         u32 occup, to_free, freed, freed_start;
1250         u32 cur_cnt = poll_count;
1251
1252         occup = to_free = REG_RD(bp, regs->lines_occup);
1253         freed = freed_start = REG_RD(bp, regs->lines_freed);
1254
1255         DP(BNX2X_MSG_SP, "OCCUPANCY[%d]   : s:%x\n", regs->pN, occup);
1256         DP(BNX2X_MSG_SP, "LINES_FREED[%d] : s:%x\n", regs->pN, freed);
1257
1258         while (occup && ((u32)SUB_S32(freed, freed_start) < to_free)) {
1259                 if (cur_cnt--) {
1260                         udelay(FLR_WAIT_INTERVAL);
1261                         occup = REG_RD(bp, regs->lines_occup);
1262                         freed = REG_RD(bp, regs->lines_freed);
1263                 } else {
1264                         DP(BNX2X_MSG_SP, "PBF cmd queue[%d] timed out\n",
1265                            regs->pN);
1266                         DP(BNX2X_MSG_SP, "OCCUPANCY[%d]   : s:%x\n",
1267                            regs->pN, occup);
1268                         DP(BNX2X_MSG_SP, "LINES_FREED[%d] : s:%x\n",
1269                            regs->pN, freed);
1270                         break;
1271                 }
1272         }
1273         DP(BNX2X_MSG_SP, "Waited %d*%d usec for PBF cmd queue[%d]\n",
1274            poll_count-cur_cnt, FLR_WAIT_INTERVAL, regs->pN);
1275 }
1276
1277 static u32 bnx2x_flr_clnup_reg_poll(struct bnx2x *bp, u32 reg,
1278                                     u32 expected, u32 poll_count)
1279 {
1280         u32 cur_cnt = poll_count;
1281         u32 val;
1282
1283         while ((val = REG_RD(bp, reg)) != expected && cur_cnt--)
1284                 udelay(FLR_WAIT_INTERVAL);
1285
1286         return val;
1287 }
1288
1289 int bnx2x_flr_clnup_poll_hw_counter(struct bnx2x *bp, u32 reg,
1290                                     char *msg, u32 poll_cnt)
1291 {
1292         u32 val = bnx2x_flr_clnup_reg_poll(bp, reg, 0, poll_cnt);
1293         if (val != 0) {
1294                 BNX2X_ERR("%s usage count=%d\n", msg, val);
1295                 return 1;
1296         }
1297         return 0;
1298 }
1299
1300 /* Common routines with VF FLR cleanup */
1301 u32 bnx2x_flr_clnup_poll_count(struct bnx2x *bp)
1302 {
1303         /* adjust polling timeout */
1304         if (CHIP_REV_IS_EMUL(bp))
1305                 return FLR_POLL_CNT * 2000;
1306
1307         if (CHIP_REV_IS_FPGA(bp))
1308                 return FLR_POLL_CNT * 120;
1309
1310         return FLR_POLL_CNT;
1311 }
1312
1313 void bnx2x_tx_hw_flushed(struct bnx2x *bp, u32 poll_count)
1314 {
1315         struct pbf_pN_cmd_regs cmd_regs[] = {
1316                 {0, (CHIP_IS_E3B0(bp)) ?
1317                         PBF_REG_TQ_OCCUPANCY_Q0 :
1318                         PBF_REG_P0_TQ_OCCUPANCY,
1319                     (CHIP_IS_E3B0(bp)) ?
1320                         PBF_REG_TQ_LINES_FREED_CNT_Q0 :
1321                         PBF_REG_P0_TQ_LINES_FREED_CNT},
1322                 {1, (CHIP_IS_E3B0(bp)) ?
1323                         PBF_REG_TQ_OCCUPANCY_Q1 :
1324                         PBF_REG_P1_TQ_OCCUPANCY,
1325                     (CHIP_IS_E3B0(bp)) ?
1326                         PBF_REG_TQ_LINES_FREED_CNT_Q1 :
1327                         PBF_REG_P1_TQ_LINES_FREED_CNT},
1328                 {4, (CHIP_IS_E3B0(bp)) ?
1329                         PBF_REG_TQ_OCCUPANCY_LB_Q :
1330                         PBF_REG_P4_TQ_OCCUPANCY,
1331                     (CHIP_IS_E3B0(bp)) ?
1332                         PBF_REG_TQ_LINES_FREED_CNT_LB_Q :
1333                         PBF_REG_P4_TQ_LINES_FREED_CNT}
1334         };
1335
1336         struct pbf_pN_buf_regs buf_regs[] = {
1337                 {0, (CHIP_IS_E3B0(bp)) ?
1338                         PBF_REG_INIT_CRD_Q0 :
1339                         PBF_REG_P0_INIT_CRD ,
1340                     (CHIP_IS_E3B0(bp)) ?
1341                         PBF_REG_CREDIT_Q0 :
1342                         PBF_REG_P0_CREDIT,
1343                     (CHIP_IS_E3B0(bp)) ?
1344                         PBF_REG_INTERNAL_CRD_FREED_CNT_Q0 :
1345                         PBF_REG_P0_INTERNAL_CRD_FREED_CNT},
1346                 {1, (CHIP_IS_E3B0(bp)) ?
1347                         PBF_REG_INIT_CRD_Q1 :
1348                         PBF_REG_P1_INIT_CRD,
1349                     (CHIP_IS_E3B0(bp)) ?
1350                         PBF_REG_CREDIT_Q1 :
1351                         PBF_REG_P1_CREDIT,
1352                     (CHIP_IS_E3B0(bp)) ?
1353                         PBF_REG_INTERNAL_CRD_FREED_CNT_Q1 :
1354                         PBF_REG_P1_INTERNAL_CRD_FREED_CNT},
1355                 {4, (CHIP_IS_E3B0(bp)) ?
1356                         PBF_REG_INIT_CRD_LB_Q :
1357                         PBF_REG_P4_INIT_CRD,
1358                     (CHIP_IS_E3B0(bp)) ?
1359                         PBF_REG_CREDIT_LB_Q :
1360                         PBF_REG_P4_CREDIT,
1361                     (CHIP_IS_E3B0(bp)) ?
1362                         PBF_REG_INTERNAL_CRD_FREED_CNT_LB_Q :
1363                         PBF_REG_P4_INTERNAL_CRD_FREED_CNT},
1364         };
1365
1366         int i;
1367
1368         /* Verify the command queues are flushed P0, P1, P4 */
1369         for (i = 0; i < ARRAY_SIZE(cmd_regs); i++)
1370                 bnx2x_pbf_pN_cmd_flushed(bp, &cmd_regs[i], poll_count);
1371
1372         /* Verify the transmission buffers are flushed P0, P1, P4 */
1373         for (i = 0; i < ARRAY_SIZE(buf_regs); i++)
1374                 bnx2x_pbf_pN_buf_flushed(bp, &buf_regs[i], poll_count);
1375 }
1376
1377 #define OP_GEN_PARAM(param) \
1378         (((param) << SDM_OP_GEN_COMP_PARAM_SHIFT) & SDM_OP_GEN_COMP_PARAM)
1379
1380 #define OP_GEN_TYPE(type) \
1381         (((type) << SDM_OP_GEN_COMP_TYPE_SHIFT) & SDM_OP_GEN_COMP_TYPE)
1382
1383 #define OP_GEN_AGG_VECT(index) \
1384         (((index) << SDM_OP_GEN_AGG_VECT_IDX_SHIFT) & SDM_OP_GEN_AGG_VECT_IDX)
1385
1386 int bnx2x_send_final_clnup(struct bnx2x *bp, u8 clnup_func, u32 poll_cnt)
1387 {
1388         u32 op_gen_command = 0;
1389         u32 comp_addr = BAR_CSTRORM_INTMEM +
1390                         CSTORM_FINAL_CLEANUP_COMPLETE_OFFSET(clnup_func);
1391         int ret = 0;
1392
1393         if (REG_RD(bp, comp_addr)) {
1394                 BNX2X_ERR("Cleanup complete was not 0 before sending\n");
1395                 return 1;
1396         }
1397
1398         op_gen_command |= OP_GEN_PARAM(XSTORM_AGG_INT_FINAL_CLEANUP_INDEX);
1399         op_gen_command |= OP_GEN_TYPE(XSTORM_AGG_INT_FINAL_CLEANUP_COMP_TYPE);
1400         op_gen_command |= OP_GEN_AGG_VECT(clnup_func);
1401         op_gen_command |= 1 << SDM_OP_GEN_AGG_VECT_IDX_VALID_SHIFT;
1402
1403         DP(BNX2X_MSG_SP, "sending FW Final cleanup\n");
1404         REG_WR(bp, XSDM_REG_OPERATION_GEN, op_gen_command);
1405
1406         if (bnx2x_flr_clnup_reg_poll(bp, comp_addr, 1, poll_cnt) != 1) {
1407                 BNX2X_ERR("FW final cleanup did not succeed\n");
1408                 DP(BNX2X_MSG_SP, "At timeout completion address contained %x\n",
1409                    (REG_RD(bp, comp_addr)));
1410                 bnx2x_panic();
1411                 return 1;
1412         }
1413         /* Zero completion for next FLR */
1414         REG_WR(bp, comp_addr, 0);
1415
1416         return ret;
1417 }
1418
1419 u8 bnx2x_is_pcie_pending(struct pci_dev *dev)
1420 {
1421         u16 status;
1422
1423         pcie_capability_read_word(dev, PCI_EXP_DEVSTA, &status);
1424         return status & PCI_EXP_DEVSTA_TRPND;
1425 }
1426
1427 /* PF FLR specific routines
1428 */
1429 static int bnx2x_poll_hw_usage_counters(struct bnx2x *bp, u32 poll_cnt)
1430 {
1431         /* wait for CFC PF usage-counter to zero (includes all the VFs) */
1432         if (bnx2x_flr_clnup_poll_hw_counter(bp,
1433                         CFC_REG_NUM_LCIDS_INSIDE_PF,
1434                         "CFC PF usage counter timed out",
1435                         poll_cnt))
1436                 return 1;
1437
1438         /* Wait for DQ PF usage-counter to zero (until DQ cleanup) */
1439         if (bnx2x_flr_clnup_poll_hw_counter(bp,
1440                         DORQ_REG_PF_USAGE_CNT,
1441                         "DQ PF usage counter timed out",
1442                         poll_cnt))
1443                 return 1;
1444
1445         /* Wait for QM PF usage-counter to zero (until DQ cleanup) */
1446         if (bnx2x_flr_clnup_poll_hw_counter(bp,
1447                         QM_REG_PF_USG_CNT_0 + 4*BP_FUNC(bp),
1448                         "QM PF usage counter timed out",
1449                         poll_cnt))
1450                 return 1;
1451
1452         /* Wait for Timer PF usage-counters to zero (until DQ cleanup) */
1453         if (bnx2x_flr_clnup_poll_hw_counter(bp,
1454                         TM_REG_LIN0_VNIC_UC + 4*BP_PORT(bp),
1455                         "Timers VNIC usage counter timed out",
1456                         poll_cnt))
1457                 return 1;
1458         if (bnx2x_flr_clnup_poll_hw_counter(bp,
1459                         TM_REG_LIN0_NUM_SCANS + 4*BP_PORT(bp),
1460                         "Timers NUM_SCANS usage counter timed out",
1461                         poll_cnt))
1462                 return 1;
1463
1464         /* Wait DMAE PF usage counter to zero */
1465         if (bnx2x_flr_clnup_poll_hw_counter(bp,
1466                         dmae_reg_go_c[INIT_DMAE_C(bp)],
1467                         "DMAE command register timed out",
1468                         poll_cnt))
1469                 return 1;
1470
1471         return 0;
1472 }
1473
1474 static void bnx2x_hw_enable_status(struct bnx2x *bp)
1475 {
1476         u32 val;
1477
1478         val = REG_RD(bp, CFC_REG_WEAK_ENABLE_PF);
1479         DP(BNX2X_MSG_SP, "CFC_REG_WEAK_ENABLE_PF is 0x%x\n", val);
1480
1481         val = REG_RD(bp, PBF_REG_DISABLE_PF);
1482         DP(BNX2X_MSG_SP, "PBF_REG_DISABLE_PF is 0x%x\n", val);
1483
1484         val = REG_RD(bp, IGU_REG_PCI_PF_MSI_EN);
1485         DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSI_EN is 0x%x\n", val);
1486
1487         val = REG_RD(bp, IGU_REG_PCI_PF_MSIX_EN);
1488         DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSIX_EN is 0x%x\n", val);
1489
1490         val = REG_RD(bp, IGU_REG_PCI_PF_MSIX_FUNC_MASK);
1491         DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSIX_FUNC_MASK is 0x%x\n", val);
1492
1493         val = REG_RD(bp, PGLUE_B_REG_SHADOW_BME_PF_7_0_CLR);
1494         DP(BNX2X_MSG_SP, "PGLUE_B_REG_SHADOW_BME_PF_7_0_CLR is 0x%x\n", val);
1495
1496         val = REG_RD(bp, PGLUE_B_REG_FLR_REQUEST_PF_7_0_CLR);
1497         DP(BNX2X_MSG_SP, "PGLUE_B_REG_FLR_REQUEST_PF_7_0_CLR is 0x%x\n", val);
1498
1499         val = REG_RD(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER);
1500         DP(BNX2X_MSG_SP, "PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER is 0x%x\n",
1501            val);
1502 }
1503
1504 static int bnx2x_pf_flr_clnup(struct bnx2x *bp)
1505 {
1506         u32 poll_cnt = bnx2x_flr_clnup_poll_count(bp);
1507
1508         DP(BNX2X_MSG_SP, "Cleanup after FLR PF[%d]\n", BP_ABS_FUNC(bp));
1509
1510         /* Re-enable PF target read access */
1511         REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1);
1512
1513         /* Poll HW usage counters */
1514         DP(BNX2X_MSG_SP, "Polling usage counters\n");
1515         if (bnx2x_poll_hw_usage_counters(bp, poll_cnt))
1516                 return -EBUSY;
1517
1518         /* Zero the igu 'trailing edge' and 'leading edge' */
1519
1520         /* Send the FW cleanup command */
1521         if (bnx2x_send_final_clnup(bp, (u8)BP_FUNC(bp), poll_cnt))
1522                 return -EBUSY;
1523
1524         /* ATC cleanup */
1525
1526         /* Verify TX hw is flushed */
1527         bnx2x_tx_hw_flushed(bp, poll_cnt);
1528
1529         /* Wait 100ms (not adjusted according to platform) */
1530         msleep(100);
1531
1532         /* Verify no pending pci transactions */
1533         if (bnx2x_is_pcie_pending(bp->pdev))
1534                 BNX2X_ERR("PCIE Transactions still pending\n");
1535
1536         /* Debug */
1537         bnx2x_hw_enable_status(bp);
1538
1539         /*
1540          * Master enable - Due to WB DMAE writes performed before this
1541          * register is re-initialized as part of the regular function init
1542          */
1543         REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
1544
1545         return 0;
1546 }
1547
1548 static void bnx2x_hc_int_enable(struct bnx2x *bp)
1549 {
1550         int port = BP_PORT(bp);
1551         u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1552         u32 val = REG_RD(bp, addr);
1553         bool msix = (bp->flags & USING_MSIX_FLAG) ? true : false;
1554         bool single_msix = (bp->flags & USING_SINGLE_MSIX_FLAG) ? true : false;
1555         bool msi = (bp->flags & USING_MSI_FLAG) ? true : false;
1556
1557         if (msix) {
1558                 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1559                          HC_CONFIG_0_REG_INT_LINE_EN_0);
1560                 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1561                         HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1562                 if (single_msix)
1563                         val |= HC_CONFIG_0_REG_SINGLE_ISR_EN_0;
1564         } else if (msi) {
1565                 val &= ~HC_CONFIG_0_REG_INT_LINE_EN_0;
1566                 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1567                         HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1568                         HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1569         } else {
1570                 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1571                         HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1572                         HC_CONFIG_0_REG_INT_LINE_EN_0 |
1573                         HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1574
1575                 if (!CHIP_IS_E1(bp)) {
1576                         DP(NETIF_MSG_IFUP,
1577                            "write %x to HC %d (addr 0x%x)\n", val, port, addr);
1578
1579                         REG_WR(bp, addr, val);
1580
1581                         val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
1582                 }
1583         }
1584
1585         if (CHIP_IS_E1(bp))
1586                 REG_WR(bp, HC_REG_INT_MASK + port*4, 0x1FFFF);
1587
1588         DP(NETIF_MSG_IFUP,
1589            "write %x to HC %d (addr 0x%x) mode %s\n", val, port, addr,
1590            (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
1591
1592         REG_WR(bp, addr, val);
1593         /*
1594          * Ensure that HC_CONFIG is written before leading/trailing edge config
1595          */
1596         mmiowb();
1597         barrier();
1598
1599         if (!CHIP_IS_E1(bp)) {
1600                 /* init leading/trailing edge */
1601                 if (IS_MF(bp)) {
1602                         val = (0xee0f | (1 << (BP_VN(bp) + 4)));
1603                         if (bp->port.pmf)
1604                                 /* enable nig and gpio3 attention */
1605                                 val |= 0x1100;
1606                 } else
1607                         val = 0xffff;
1608
1609                 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
1610                 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
1611         }
1612
1613         /* Make sure that interrupts are indeed enabled from here on */
1614         mmiowb();
1615 }
1616
1617 static void bnx2x_igu_int_enable(struct bnx2x *bp)
1618 {
1619         u32 val;
1620         bool msix = (bp->flags & USING_MSIX_FLAG) ? true : false;
1621         bool single_msix = (bp->flags & USING_SINGLE_MSIX_FLAG) ? true : false;
1622         bool msi = (bp->flags & USING_MSI_FLAG) ? true : false;
1623
1624         val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1625
1626         if (msix) {
1627                 val &= ~(IGU_PF_CONF_INT_LINE_EN |
1628                          IGU_PF_CONF_SINGLE_ISR_EN);
1629                 val |= (IGU_PF_CONF_MSI_MSIX_EN |
1630                         IGU_PF_CONF_ATTN_BIT_EN);
1631
1632                 if (single_msix)
1633                         val |= IGU_PF_CONF_SINGLE_ISR_EN;
1634         } else if (msi) {
1635                 val &= ~IGU_PF_CONF_INT_LINE_EN;
1636                 val |= (IGU_PF_CONF_MSI_MSIX_EN |
1637                         IGU_PF_CONF_ATTN_BIT_EN |
1638                         IGU_PF_CONF_SINGLE_ISR_EN);
1639         } else {
1640                 val &= ~IGU_PF_CONF_MSI_MSIX_EN;
1641                 val |= (IGU_PF_CONF_INT_LINE_EN |
1642                         IGU_PF_CONF_ATTN_BIT_EN |
1643                         IGU_PF_CONF_SINGLE_ISR_EN);
1644         }
1645
1646         /* Clean previous status - need to configure igu prior to ack*/
1647         if ((!msix) || single_msix) {
1648                 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1649                 bnx2x_ack_int(bp);
1650         }
1651
1652         val |= IGU_PF_CONF_FUNC_EN;
1653
1654         DP(NETIF_MSG_IFUP, "write 0x%x to IGU  mode %s\n",
1655            val, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
1656
1657         REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1658
1659         if (val & IGU_PF_CONF_INT_LINE_EN)
1660                 pci_intx(bp->pdev, true);
1661
1662         barrier();
1663
1664         /* init leading/trailing edge */
1665         if (IS_MF(bp)) {
1666                 val = (0xee0f | (1 << (BP_VN(bp) + 4)));
1667                 if (bp->port.pmf)
1668                         /* enable nig and gpio3 attention */
1669                         val |= 0x1100;
1670         } else
1671                 val = 0xffff;
1672
1673         REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
1674         REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
1675
1676         /* Make sure that interrupts are indeed enabled from here on */
1677         mmiowb();
1678 }
1679
1680 void bnx2x_int_enable(struct bnx2x *bp)
1681 {
1682         if (bp->common.int_block == INT_BLOCK_HC)
1683                 bnx2x_hc_int_enable(bp);
1684         else
1685                 bnx2x_igu_int_enable(bp);
1686 }
1687
1688 void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
1689 {
1690         int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
1691         int i, offset;
1692
1693         if (disable_hw)
1694                 /* prevent the HW from sending interrupts */
1695                 bnx2x_int_disable(bp);
1696
1697         /* make sure all ISRs are done */
1698         if (msix) {
1699                 synchronize_irq(bp->msix_table[0].vector);
1700                 offset = 1;
1701                 if (CNIC_SUPPORT(bp))
1702                         offset++;
1703                 for_each_eth_queue(bp, i)
1704                         synchronize_irq(bp->msix_table[offset++].vector);
1705         } else
1706                 synchronize_irq(bp->pdev->irq);
1707
1708         /* make sure sp_task is not running */
1709         cancel_delayed_work(&bp->sp_task);
1710         cancel_delayed_work(&bp->period_task);
1711         flush_workqueue(bnx2x_wq);
1712 }
1713
1714 /* fast path */
1715
1716 /*
1717  * General service functions
1718  */
1719
1720 /* Return true if succeeded to acquire the lock */
1721 static bool bnx2x_trylock_hw_lock(struct bnx2x *bp, u32 resource)
1722 {
1723         u32 lock_status;
1724         u32 resource_bit = (1 << resource);
1725         int func = BP_FUNC(bp);
1726         u32 hw_lock_control_reg;
1727
1728         DP(NETIF_MSG_HW | NETIF_MSG_IFUP,
1729            "Trying to take a lock on resource %d\n", resource);
1730
1731         /* Validating that the resource is within range */
1732         if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1733                 DP(NETIF_MSG_HW | NETIF_MSG_IFUP,
1734                    "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1735                    resource, HW_LOCK_MAX_RESOURCE_VALUE);
1736                 return false;
1737         }
1738
1739         if (func <= 5)
1740                 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1741         else
1742                 hw_lock_control_reg =
1743                                 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1744
1745         /* Try to acquire the lock */
1746         REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1747         lock_status = REG_RD(bp, hw_lock_control_reg);
1748         if (lock_status & resource_bit)
1749                 return true;
1750
1751         DP(NETIF_MSG_HW | NETIF_MSG_IFUP,
1752            "Failed to get a lock on resource %d\n", resource);
1753         return false;
1754 }
1755
1756 /**
1757  * bnx2x_get_leader_lock_resource - get the recovery leader resource id
1758  *
1759  * @bp: driver handle
1760  *
1761  * Returns the recovery leader resource id according to the engine this function
1762  * belongs to. Currently only only 2 engines is supported.
1763  */
1764 static int bnx2x_get_leader_lock_resource(struct bnx2x *bp)
1765 {
1766         if (BP_PATH(bp))
1767                 return HW_LOCK_RESOURCE_RECOVERY_LEADER_1;
1768         else
1769                 return HW_LOCK_RESOURCE_RECOVERY_LEADER_0;
1770 }
1771
1772 /**
1773  * bnx2x_trylock_leader_lock- try to acquire a leader lock.
1774  *
1775  * @bp: driver handle
1776  *
1777  * Tries to acquire a leader lock for current engine.
1778  */
1779 static bool bnx2x_trylock_leader_lock(struct bnx2x *bp)
1780 {
1781         return bnx2x_trylock_hw_lock(bp, bnx2x_get_leader_lock_resource(bp));
1782 }
1783
1784 static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid, u8 err);
1785
1786 /* schedule the sp task and mark that interrupt occurred (runs from ISR) */
1787 static int bnx2x_schedule_sp_task(struct bnx2x *bp)
1788 {
1789         /* Set the interrupt occurred bit for the sp-task to recognize it
1790          * must ack the interrupt and transition according to the IGU
1791          * state machine.
1792          */
1793         atomic_set(&bp->interrupt_occurred, 1);
1794
1795         /* The sp_task must execute only after this bit
1796          * is set, otherwise we will get out of sync and miss all
1797          * further interrupts. Hence, the barrier.
1798          */
1799         smp_wmb();
1800
1801         /* schedule sp_task to workqueue */
1802         return queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
1803 }
1804
1805 void bnx2x_sp_event(struct bnx2x_fastpath *fp, union eth_rx_cqe *rr_cqe)
1806 {
1807         struct bnx2x *bp = fp->bp;
1808         int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1809         int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1810         enum bnx2x_queue_cmd drv_cmd = BNX2X_Q_CMD_MAX;
1811         struct bnx2x_queue_sp_obj *q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
1812
1813         DP(BNX2X_MSG_SP,
1814            "fp %d  cid %d  got ramrod #%d  state is %x  type is %d\n",
1815            fp->index, cid, command, bp->state,
1816            rr_cqe->ramrod_cqe.ramrod_type);
1817
1818         /* If cid is within VF range, replace the slowpath object with the
1819          * one corresponding to this VF
1820          */
1821         if (cid >= BNX2X_FIRST_VF_CID  &&
1822             cid < BNX2X_FIRST_VF_CID + BNX2X_VF_CIDS)
1823                 bnx2x_iov_set_queue_sp_obj(bp, cid, &q_obj);
1824
1825         switch (command) {
1826         case (RAMROD_CMD_ID_ETH_CLIENT_UPDATE):
1827                 DP(BNX2X_MSG_SP, "got UPDATE ramrod. CID %d\n", cid);
1828                 drv_cmd = BNX2X_Q_CMD_UPDATE;
1829                 break;
1830
1831         case (RAMROD_CMD_ID_ETH_CLIENT_SETUP):
1832                 DP(BNX2X_MSG_SP, "got MULTI[%d] setup ramrod\n", cid);
1833                 drv_cmd = BNX2X_Q_CMD_SETUP;
1834                 break;
1835
1836         case (RAMROD_CMD_ID_ETH_TX_QUEUE_SETUP):
1837                 DP(BNX2X_MSG_SP, "got MULTI[%d] tx-only setup ramrod\n", cid);
1838                 drv_cmd = BNX2X_Q_CMD_SETUP_TX_ONLY;
1839                 break;
1840
1841         case (RAMROD_CMD_ID_ETH_HALT):
1842                 DP(BNX2X_MSG_SP, "got MULTI[%d] halt ramrod\n", cid);
1843                 drv_cmd = BNX2X_Q_CMD_HALT;
1844                 break;
1845
1846         case (RAMROD_CMD_ID_ETH_TERMINATE):
1847                 DP(BNX2X_MSG_SP, "got MULTI[%d] terminate ramrod\n", cid);
1848                 drv_cmd = BNX2X_Q_CMD_TERMINATE;
1849                 break;
1850
1851         case (RAMROD_CMD_ID_ETH_EMPTY):
1852                 DP(BNX2X_MSG_SP, "got MULTI[%d] empty ramrod\n", cid);
1853                 drv_cmd = BNX2X_Q_CMD_EMPTY;
1854                 break;
1855
1856         case (RAMROD_CMD_ID_ETH_TPA_UPDATE):
1857                 DP(BNX2X_MSG_SP, "got tpa update ramrod CID=%d\n", cid);
1858                 drv_cmd = BNX2X_Q_CMD_UPDATE_TPA;
1859                 break;
1860
1861         default:
1862                 BNX2X_ERR("unexpected MC reply (%d) on fp[%d]\n",
1863                           command, fp->index);
1864                 return;
1865         }
1866
1867         if ((drv_cmd != BNX2X_Q_CMD_MAX) &&
1868             q_obj->complete_cmd(bp, q_obj, drv_cmd))
1869                 /* q_obj->complete_cmd() failure means that this was
1870                  * an unexpected completion.
1871                  *
1872                  * In this case we don't want to increase the bp->spq_left
1873                  * because apparently we haven't sent this command the first
1874                  * place.
1875                  */
1876 #ifdef BNX2X_STOP_ON_ERROR
1877                 bnx2x_panic();
1878 #else
1879                 return;
1880 #endif
1881
1882         smp_mb__before_atomic();
1883         atomic_inc(&bp->cq_spq_left);
1884         /* push the change in bp->spq_left and towards the memory */
1885         smp_mb__after_atomic();
1886
1887         DP(BNX2X_MSG_SP, "bp->cq_spq_left %x\n", atomic_read(&bp->cq_spq_left));
1888
1889         if ((drv_cmd == BNX2X_Q_CMD_UPDATE) && (IS_FCOE_FP(fp)) &&
1890             (!!test_bit(BNX2X_AFEX_FCOE_Q_UPDATE_PENDING, &bp->sp_state))) {
1891                 /* if Q update ramrod is completed for last Q in AFEX vif set
1892                  * flow, then ACK MCP at the end
1893                  *
1894                  * mark pending ACK to MCP bit.
1895                  * prevent case that both bits are cleared.
1896                  * At the end of load/unload driver checks that
1897                  * sp_state is cleared, and this order prevents
1898                  * races
1899                  */
1900                 smp_mb__before_atomic();
1901                 set_bit(BNX2X_AFEX_PENDING_VIFSET_MCP_ACK, &bp->sp_state);
1902                 wmb();
1903                 clear_bit(BNX2X_AFEX_FCOE_Q_UPDATE_PENDING, &bp->sp_state);
1904                 smp_mb__after_atomic();
1905
1906                 /* schedule the sp task as mcp ack is required */
1907                 bnx2x_schedule_sp_task(bp);
1908         }
1909
1910         return;
1911 }
1912
1913 irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
1914 {
1915         struct bnx2x *bp = netdev_priv(dev_instance);
1916         u16 status = bnx2x_ack_int(bp);
1917         u16 mask;
1918         int i;
1919         u8 cos;
1920
1921         /* Return here if interrupt is shared and it's not for us */
1922         if (unlikely(status == 0)) {
1923                 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1924                 return IRQ_NONE;
1925         }
1926         DP(NETIF_MSG_INTR, "got an interrupt  status 0x%x\n", status);
1927
1928 #ifdef BNX2X_STOP_ON_ERROR
1929         if (unlikely(bp->panic))
1930                 return IRQ_HANDLED;
1931 #endif
1932
1933         for_each_eth_queue(bp, i) {
1934                 struct bnx2x_fastpath *fp = &bp->fp[i];
1935
1936                 mask = 0x2 << (fp->index + CNIC_SUPPORT(bp));
1937                 if (status & mask) {
1938                         /* Handle Rx or Tx according to SB id */
1939                         for_each_cos_in_tx_queue(fp, cos)
1940                                 prefetch(fp->txdata_ptr[cos]->tx_cons_sb);
1941                         prefetch(&fp->sb_running_index[SM_RX_ID]);
1942                         napi_schedule_irqoff(&bnx2x_fp(bp, fp->index, napi));
1943                         status &= ~mask;
1944                 }
1945         }
1946
1947         if (CNIC_SUPPORT(bp)) {
1948                 mask = 0x2;
1949                 if (status & (mask | 0x1)) {
1950                         struct cnic_ops *c_ops = NULL;
1951
1952                         rcu_read_lock();
1953                         c_ops = rcu_dereference(bp->cnic_ops);
1954                         if (c_ops && (bp->cnic_eth_dev.drv_state &
1955                                       CNIC_DRV_STATE_HANDLES_IRQ))
1956                                 c_ops->cnic_handler(bp->cnic_data, NULL);
1957                         rcu_read_unlock();
1958
1959                         status &= ~mask;
1960                 }
1961         }
1962
1963         if (unlikely(status & 0x1)) {
1964
1965                 /* schedule sp task to perform default status block work, ack
1966                  * attentions and enable interrupts.
1967                  */
1968                 bnx2x_schedule_sp_task(bp);
1969
1970                 status &= ~0x1;
1971                 if (!status)
1972                         return IRQ_HANDLED;
1973         }
1974
1975         if (unlikely(status))
1976                 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
1977                    status);
1978
1979         return IRQ_HANDLED;
1980 }
1981
1982 /* Link */
1983
1984 /*
1985  * General service functions
1986  */
1987
1988 int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
1989 {
1990         u32 lock_status;
1991         u32 resource_bit = (1 << resource);
1992         int func = BP_FUNC(bp);
1993         u32 hw_lock_control_reg;
1994         int cnt;
1995
1996         /* Validating that the resource is within range */
1997         if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1998                 BNX2X_ERR("resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1999                    resource, HW_LOCK_MAX_RESOURCE_VALUE);
2000                 return -EINVAL;
2001         }
2002
2003         if (func <= 5) {
2004                 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
2005         } else {
2006                 hw_lock_control_reg =
2007                                 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
2008         }
2009
2010         /* Validating that the resource is not already taken */
2011         lock_status = REG_RD(bp, hw_lock_control_reg);
2012         if (lock_status & resource_bit) {
2013                 BNX2X_ERR("lock_status 0x%x  resource_bit 0x%x\n",
2014                    lock_status, resource_bit);
2015                 return -EEXIST;
2016         }
2017
2018         /* Try for 5 second every 5ms */
2019         for (cnt = 0; cnt < 1000; cnt++) {
2020                 /* Try to acquire the lock */
2021                 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
2022                 lock_status = REG_RD(bp, hw_lock_control_reg);
2023                 if (lock_status & resource_bit)
2024                         return 0;
2025
2026                 usleep_range(5000, 10000);
2027         }
2028         BNX2X_ERR("Timeout\n");
2029         return -EAGAIN;
2030 }
2031
2032 int bnx2x_release_leader_lock(struct bnx2x *bp)
2033 {
2034         return bnx2x_release_hw_lock(bp, bnx2x_get_leader_lock_resource(bp));
2035 }
2036
2037 int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
2038 {
2039         u32 lock_status;
2040         u32 resource_bit = (1 << resource);
2041         int func = BP_FUNC(bp);
2042         u32 hw_lock_control_reg;
2043
2044         /* Validating that the resource is within range */
2045         if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
2046                 BNX2X_ERR("resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
2047                    resource, HW_LOCK_MAX_RESOURCE_VALUE);
2048                 return -EINVAL;
2049         }
2050
2051         if (func <= 5) {
2052                 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
2053         } else {
2054                 hw_lock_control_reg =
2055                                 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
2056         }
2057
2058         /* Validating that the resource is currently taken */
2059         lock_status = REG_RD(bp, hw_lock_control_reg);
2060         if (!(lock_status & resource_bit)) {
2061                 BNX2X_ERR("lock_status 0x%x resource_bit 0x%x. Unlock was called but lock wasn't taken!\n",
2062                           lock_status, resource_bit);
2063                 return -EFAULT;
2064         }
2065
2066         REG_WR(bp, hw_lock_control_reg, resource_bit);
2067         return 0;
2068 }
2069
2070 int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port)
2071 {
2072         /* The GPIO should be swapped if swap register is set and active */
2073         int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
2074                          REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
2075         int gpio_shift = gpio_num +
2076                         (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
2077         u32 gpio_mask = (1 << gpio_shift);
2078         u32 gpio_reg;
2079         int value;
2080
2081         if (gpio_num > MISC_REGISTERS_GPIO_3) {
2082                 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
2083                 return -EINVAL;
2084         }
2085
2086         /* read GPIO value */
2087         gpio_reg = REG_RD(bp, MISC_REG_GPIO);
2088
2089         /* get the requested pin value */
2090         if ((gpio_reg & gpio_mask) == gpio_mask)
2091                 value = 1;
2092         else
2093                 value = 0;
2094
2095         return value;
2096 }
2097
2098 int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
2099 {
2100         /* The GPIO should be swapped if swap register is set and active */
2101         int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
2102                          REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
2103         int gpio_shift = gpio_num +
2104                         (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
2105         u32 gpio_mask = (1 << gpio_shift);
2106         u32 gpio_reg;
2107
2108         if (gpio_num > MISC_REGISTERS_GPIO_3) {
2109                 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
2110                 return -EINVAL;
2111         }
2112
2113         bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2114         /* read GPIO and mask except the float bits */
2115         gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
2116
2117         switch (mode) {
2118         case MISC_REGISTERS_GPIO_OUTPUT_LOW:
2119                 DP(NETIF_MSG_LINK,
2120                    "Set GPIO %d (shift %d) -> output low\n",
2121                    gpio_num, gpio_shift);
2122                 /* clear FLOAT and set CLR */
2123                 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
2124                 gpio_reg |=  (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
2125                 break;
2126
2127         case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
2128                 DP(NETIF_MSG_LINK,
2129                    "Set GPIO %d (shift %d) -> output high\n",
2130                    gpio_num, gpio_shift);
2131                 /* clear FLOAT and set SET */
2132                 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
2133                 gpio_reg |=  (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
2134                 break;
2135
2136         case MISC_REGISTERS_GPIO_INPUT_HI_Z:
2137                 DP(NETIF_MSG_LINK,
2138                    "Set GPIO %d (shift %d) -> input\n",
2139                    gpio_num, gpio_shift);
2140                 /* set FLOAT */
2141                 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
2142                 break;
2143
2144         default:
2145                 break;
2146         }
2147
2148         REG_WR(bp, MISC_REG_GPIO, gpio_reg);
2149         bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2150
2151         return 0;
2152 }
2153
2154 int bnx2x_set_mult_gpio(struct bnx2x *bp, u8 pins, u32 mode)
2155 {
2156         u32 gpio_reg = 0;
2157         int rc = 0;
2158
2159         /* Any port swapping should be handled by caller. */
2160
2161         bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2162         /* read GPIO and mask except the float bits */
2163         gpio_reg = REG_RD(bp, MISC_REG_GPIO);
2164         gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_FLOAT_POS);
2165         gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_CLR_POS);
2166         gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_SET_POS);
2167
2168         switch (mode) {
2169         case MISC_REGISTERS_GPIO_OUTPUT_LOW:
2170                 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> output low\n", pins);
2171                 /* set CLR */
2172                 gpio_reg |= (pins << MISC_REGISTERS_GPIO_CLR_POS);
2173                 break;
2174
2175         case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
2176                 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> output high\n", pins);
2177                 /* set SET */
2178                 gpio_reg |= (pins << MISC_REGISTERS_GPIO_SET_POS);
2179                 break;
2180
2181         case MISC_REGISTERS_GPIO_INPUT_HI_Z:
2182                 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> input\n", pins);
2183                 /* set FLOAT */
2184                 gpio_reg |= (pins << MISC_REGISTERS_GPIO_FLOAT_POS);
2185                 break;
2186
2187         default:
2188                 BNX2X_ERR("Invalid GPIO mode assignment %d\n", mode);
2189                 rc = -EINVAL;
2190                 break;
2191         }
2192
2193         if (rc == 0)
2194                 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
2195
2196         bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2197
2198         return rc;
2199 }
2200
2201 int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
2202 {
2203         /* The GPIO should be swapped if swap register is set and active */
2204         int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
2205                          REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
2206         int gpio_shift = gpio_num +
2207                         (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
2208         u32 gpio_mask = (1 << gpio_shift);
2209         u32 gpio_reg;
2210
2211         if (gpio_num > MISC_REGISTERS_GPIO_3) {
2212                 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
2213                 return -EINVAL;
2214         }
2215
2216         bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2217         /* read GPIO int */
2218         gpio_reg = REG_RD(bp, MISC_REG_GPIO_INT);
2219
2220         switch (mode) {
2221         case MISC_REGISTERS_GPIO_INT_OUTPUT_CLR:
2222                 DP(NETIF_MSG_LINK,
2223                    "Clear GPIO INT %d (shift %d) -> output low\n",
2224                    gpio_num, gpio_shift);
2225                 /* clear SET and set CLR */
2226                 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
2227                 gpio_reg |=  (gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
2228                 break;
2229
2230         case MISC_REGISTERS_GPIO_INT_OUTPUT_SET:
2231                 DP(NETIF_MSG_LINK,
2232                    "Set GPIO INT %d (shift %d) -> output high\n",
2233                    gpio_num, gpio_shift);
2234                 /* clear CLR and set SET */
2235                 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
2236                 gpio_reg |=  (gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
2237                 break;
2238
2239         default:
2240                 break;
2241         }
2242
2243         REG_WR(bp, MISC_REG_GPIO_INT, gpio_reg);
2244         bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2245
2246         return 0;
2247 }
2248
2249 static int bnx2x_set_spio(struct bnx2x *bp, int spio, u32 mode)
2250 {
2251         u32 spio_reg;
2252
2253         /* Only 2 SPIOs are configurable */
2254         if ((spio != MISC_SPIO_SPIO4) && (spio != MISC_SPIO_SPIO5)) {
2255                 BNX2X_ERR("Invalid SPIO 0x%x\n", spio);
2256                 return -EINVAL;
2257         }
2258
2259         bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
2260         /* read SPIO and mask except the float bits */
2261         spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_SPIO_FLOAT);
2262
2263         switch (mode) {
2264         case MISC_SPIO_OUTPUT_LOW:
2265                 DP(NETIF_MSG_HW, "Set SPIO 0x%x -> output low\n", spio);
2266                 /* clear FLOAT and set CLR */
2267                 spio_reg &= ~(spio << MISC_SPIO_FLOAT_POS);
2268                 spio_reg |=  (spio << MISC_SPIO_CLR_POS);
2269                 break;
2270
2271         case MISC_SPIO_OUTPUT_HIGH:
2272                 DP(NETIF_MSG_HW, "Set SPIO 0x%x -> output high\n", spio);
2273                 /* clear FLOAT and set SET */
2274                 spio_reg &= ~(spio << MISC_SPIO_FLOAT_POS);
2275                 spio_reg |=  (spio << MISC_SPIO_SET_POS);
2276                 break;
2277
2278         case MISC_SPIO_INPUT_HI_Z:
2279                 DP(NETIF_MSG_HW, "Set SPIO 0x%x -> input\n", spio);
2280                 /* set FLOAT */
2281                 spio_reg |= (spio << MISC_SPIO_FLOAT_POS);
2282                 break;
2283
2284         default:
2285                 break;
2286         }
2287
2288         REG_WR(bp, MISC_REG_SPIO, spio_reg);
2289         bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
2290
2291         return 0;
2292 }
2293
2294 void bnx2x_calc_fc_adv(struct bnx2x *bp)
2295 {
2296         u8 cfg_idx = bnx2x_get_link_cfg_idx(bp);
2297
2298         bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
2299                                            ADVERTISED_Pause);
2300         switch (bp->link_vars.ieee_fc &
2301                 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
2302         case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
2303                 bp->port.advertising[cfg_idx] |= (ADVERTISED_Asym_Pause |
2304                                                   ADVERTISED_Pause);
2305                 break;
2306
2307         case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
2308                 bp->port.advertising[cfg_idx] |= ADVERTISED_Asym_Pause;
2309                 break;
2310
2311         default:
2312                 break;
2313         }
2314 }
2315
2316 static void bnx2x_set_requested_fc(struct bnx2x *bp)
2317 {
2318         /* Initialize link parameters structure variables
2319          * It is recommended to turn off RX FC for jumbo frames
2320          *  for better performance
2321          */
2322         if (CHIP_IS_E1x(bp) && (bp->dev->mtu > 5000))
2323                 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
2324         else
2325                 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
2326 }
2327
2328 static void bnx2x_init_dropless_fc(struct bnx2x *bp)
2329 {
2330         u32 pause_enabled = 0;
2331
2332         if (!CHIP_IS_E1(bp) && bp->dropless_fc && bp->link_vars.link_up) {
2333                 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
2334                         pause_enabled = 1;
2335
2336                 REG_WR(bp, BAR_USTRORM_INTMEM +
2337                            USTORM_ETH_PAUSE_ENABLED_OFFSET(BP_PORT(bp)),
2338                        pause_enabled);
2339         }
2340
2341         DP(NETIF_MSG_IFUP | NETIF_MSG_LINK, "dropless_fc is %s\n",
2342            pause_enabled ? "enabled" : "disabled");
2343 }
2344
2345 int bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
2346 {
2347         int rc, cfx_idx = bnx2x_get_link_cfg_idx(bp);
2348         u16 req_line_speed = bp->link_params.req_line_speed[cfx_idx];
2349
2350         if (!BP_NOMCP(bp)) {
2351                 bnx2x_set_requested_fc(bp);
2352                 bnx2x_acquire_phy_lock(bp);
2353
2354                 if (load_mode == LOAD_DIAG) {
2355                         struct link_params *lp = &bp->link_params;
2356                         lp->loopback_mode = LOOPBACK_XGXS;
2357                         /* Prefer doing PHY loopback at highest speed */
2358                         if (lp->req_line_speed[cfx_idx] < SPEED_20000) {
2359                                 if (lp->speed_cap_mask[cfx_idx] &
2360                                     PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
2361                                         lp->req_line_speed[cfx_idx] =
2362                                         SPEED_20000;
2363                                 else if (lp->speed_cap_mask[cfx_idx] &
2364                                             PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
2365                                                 lp->req_line_speed[cfx_idx] =
2366                                                 SPEED_10000;
2367                                 else
2368                                         lp->req_line_speed[cfx_idx] =
2369                                         SPEED_1000;
2370                         }
2371                 }
2372
2373                 if (load_mode == LOAD_LOOPBACK_EXT) {
2374                         struct link_params *lp = &bp->link_params;
2375                         lp->loopback_mode = LOOPBACK_EXT;
2376                 }
2377
2378                 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
2379
2380                 bnx2x_release_phy_lock(bp);
2381
2382                 bnx2x_init_dropless_fc(bp);
2383
2384                 bnx2x_calc_fc_adv(bp);
2385
2386                 if (bp->link_vars.link_up) {
2387                         bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2388                         bnx2x_link_report(bp);
2389                 }
2390                 queue_delayed_work(bnx2x_wq, &bp->period_task, 0);
2391                 bp->link_params.req_line_speed[cfx_idx] = req_line_speed;
2392                 return rc;
2393         }
2394         BNX2X_ERR("Bootcode is missing - can not initialize link\n");
2395         return -EINVAL;
2396 }
2397
2398 void bnx2x_link_set(struct bnx2x *bp)
2399 {
2400         if (!BP_NOMCP(bp)) {
2401                 bnx2x_acquire_phy_lock(bp);
2402                 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
2403                 bnx2x_release_phy_lock(bp);
2404
2405                 bnx2x_init_dropless_fc(bp);
2406
2407                 bnx2x_calc_fc_adv(bp);
2408         } else
2409                 BNX2X_ERR("Bootcode is missing - can not set link\n");
2410 }
2411
2412 static void bnx2x__link_reset(struct bnx2x *bp)
2413 {
2414         if (!BP_NOMCP(bp)) {
2415                 bnx2x_acquire_phy_lock(bp);
2416                 bnx2x_lfa_reset(&bp->link_params, &bp->link_vars);
2417                 bnx2x_release_phy_lock(bp);
2418         } else
2419                 BNX2X_ERR("Bootcode is missing - can not reset link\n");
2420 }
2421
2422 void bnx2x_force_link_reset(struct bnx2x *bp)
2423 {
2424         bnx2x_acquire_phy_lock(bp);
2425         bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
2426         bnx2x_release_phy_lock(bp);
2427 }
2428
2429 u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes)
2430 {
2431         u8 rc = 0;
2432
2433         if (!BP_NOMCP(bp)) {
2434                 bnx2x_acquire_phy_lock(bp);
2435                 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars,
2436                                      is_serdes);
2437                 bnx2x_release_phy_lock(bp);
2438         } else
2439                 BNX2X_ERR("Bootcode is missing - can not test link\n");
2440
2441         return rc;
2442 }
2443
2444 /* Calculates the sum of vn_min_rates.
2445    It's needed for further normalizing of the min_rates.
2446    Returns:
2447      sum of vn_min_rates.
2448        or
2449      0 - if all the min_rates are 0.
2450      In the later case fairness algorithm should be deactivated.
2451      If not all min_rates are zero then those that are zeroes will be set to 1.
2452  */
2453 static void bnx2x_calc_vn_min(struct bnx2x *bp,
2454                                       struct cmng_init_input *input)
2455 {
2456         int all_zero = 1;
2457         int vn;
2458
2459         for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
2460                 u32 vn_cfg = bp->mf_config[vn];
2461                 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2462                                    FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2463
2464                 /* Skip hidden vns */
2465                 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
2466                         vn_min_rate = 0;
2467                 /* If min rate is zero - set it to 1 */
2468                 else if (!vn_min_rate)
2469                         vn_min_rate = DEF_MIN_RATE;
2470                 else
2471                         all_zero = 0;
2472
2473                 input->vnic_min_rate[vn] = vn_min_rate;
2474         }
2475
2476         /* if ETS or all min rates are zeros - disable fairness */
2477         if (BNX2X_IS_ETS_ENABLED(bp)) {
2478                 input->flags.cmng_enables &=
2479                                         ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
2480                 DP(NETIF_MSG_IFUP, "Fairness will be disabled due to ETS\n");
2481         } else if (all_zero) {
2482                 input->flags.cmng_enables &=
2483                                         ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
2484                 DP(NETIF_MSG_IFUP,
2485                    "All MIN values are zeroes fairness will be disabled\n");
2486         } else
2487                 input->flags.cmng_enables |=
2488                                         CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
2489 }
2490
2491 static void bnx2x_calc_vn_max(struct bnx2x *bp, int vn,
2492                                     struct cmng_init_input *input)
2493 {
2494         u16 vn_max_rate;
2495         u32 vn_cfg = bp->mf_config[vn];
2496
2497         if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
2498                 vn_max_rate = 0;
2499         else {
2500                 u32 maxCfg = bnx2x_extract_max_cfg(bp, vn_cfg);
2501
2502                 if (IS_MF_PERCENT_BW(bp)) {
2503                         /* maxCfg in percents of linkspeed */
2504                         vn_max_rate = (bp->link_vars.line_speed * maxCfg) / 100;
2505                 } else /* SD modes */
2506                         /* maxCfg is absolute in 100Mb units */
2507                         vn_max_rate = maxCfg * 100;
2508         }
2509
2510         DP(NETIF_MSG_IFUP, "vn %d: vn_max_rate %d\n", vn, vn_max_rate);
2511
2512         input->vnic_max_rate[vn] = vn_max_rate;
2513 }
2514
2515 static int bnx2x_get_cmng_fns_mode(struct bnx2x *bp)
2516 {
2517         if (CHIP_REV_IS_SLOW(bp))
2518                 return CMNG_FNS_NONE;
2519         if (IS_MF(bp))
2520                 return CMNG_FNS_MINMAX;
2521
2522         return CMNG_FNS_NONE;
2523 }
2524
2525 void bnx2x_read_mf_cfg(struct bnx2x *bp)
2526 {
2527         int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1);
2528
2529         if (BP_NOMCP(bp))
2530                 return; /* what should be the default value in this case */
2531
2532         /* For 2 port configuration the absolute function number formula
2533          * is:
2534          *      abs_func = 2 * vn + BP_PORT + BP_PATH
2535          *
2536          *      and there are 4 functions per port
2537          *
2538          * For 4 port configuration it is
2539          *      abs_func = 4 * vn + 2 * BP_PORT + BP_PATH
2540          *
2541          *      and there are 2 functions per port
2542          */
2543         for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
2544                 int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);
2545
2546                 if (func >= E1H_FUNC_MAX)
2547                         break;
2548
2549                 bp->mf_config[vn] =
2550                         MF_CFG_RD(bp, func_mf_config[func].config);
2551         }
2552         if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
2553                 DP(NETIF_MSG_IFUP, "mf_cfg function disabled\n");
2554                 bp->flags |= MF_FUNC_DIS;
2555         } else {
2556                 DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n");
2557                 bp->flags &= ~MF_FUNC_DIS;
2558         }
2559 }
2560
2561 static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
2562 {
2563         struct cmng_init_input input;
2564         memset(&input, 0, sizeof(struct cmng_init_input));
2565
2566         input.port_rate = bp->link_vars.line_speed;
2567
2568         if (cmng_type == CMNG_FNS_MINMAX && input.port_rate) {
2569                 int vn;
2570
2571                 /* read mf conf from shmem */
2572                 if (read_cfg)
2573                         bnx2x_read_mf_cfg(bp);
2574
2575                 /* vn_weight_sum and enable fairness if not 0 */
2576                 bnx2x_calc_vn_min(bp, &input);
2577
2578                 /* calculate and set min-max rate for each vn */
2579                 if (bp->port.pmf)
2580                         for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++)
2581                                 bnx2x_calc_vn_max(bp, vn, &input);
2582
2583                 /* always enable rate shaping and fairness */
2584                 input.flags.cmng_enables |=
2585                                         CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN;
2586
2587                 bnx2x_init_cmng(&input, &bp->cmng);
2588                 return;
2589         }
2590
2591         /* rate shaping and fairness are disabled */
2592         DP(NETIF_MSG_IFUP,
2593            "rate shaping and fairness are disabled\n");
2594 }
2595
2596 static void storm_memset_cmng(struct bnx2x *bp,
2597                               struct cmng_init *cmng,
2598                               u8 port)
2599 {
2600         int vn;
2601         size_t size = sizeof(struct cmng_struct_per_port);
2602
2603         u32 addr = BAR_XSTRORM_INTMEM +
2604                         XSTORM_CMNG_PER_PORT_VARS_OFFSET(port);
2605
2606         __storm_memset_struct(bp, addr, size, (u32 *)&cmng->port);
2607
2608         for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
2609                 int func = func_by_vn(bp, vn);
2610
2611                 addr = BAR_XSTRORM_INTMEM +
2612                        XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func);
2613                 size = sizeof(struct rate_shaping_vars_per_vn);
2614                 __storm_memset_struct(bp, addr, size,
2615                                       (u32 *)&cmng->vnic.vnic_max_rate[vn]);
2616
2617                 addr = BAR_XSTRORM_INTMEM +
2618                        XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func);
2619                 size = sizeof(struct fairness_vars_per_vn);
2620                 __storm_memset_struct(bp, addr, size,
2621                                       (u32 *)&cmng->vnic.vnic_min_rate[vn]);
2622         }
2623 }
2624
2625 /* init cmng mode in HW according to local configuration */
2626 void bnx2x_set_local_cmng(struct bnx2x *bp)
2627 {
2628         int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
2629
2630         if (cmng_fns != CMNG_FNS_NONE) {
2631                 bnx2x_cmng_fns_init(bp, false, cmng_fns);
2632                 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2633         } else {
2634                 /* rate shaping and fairness are disabled */
2635                 DP(NETIF_MSG_IFUP,
2636                    "single function mode without fairness\n");
2637         }
2638 }
2639
2640 /* This function is called upon link interrupt */
2641 static void bnx2x_link_attn(struct bnx2x *bp)
2642 {
2643         /* Make sure that we are synced with the current statistics */
2644         bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2645
2646         bnx2x_link_update(&bp->link_params, &bp->link_vars);
2647
2648         bnx2x_init_dropless_fc(bp);
2649
2650         if (bp->link_vars.link_up) {
2651
2652                 if (bp->link_vars.mac_type != MAC_TYPE_EMAC) {
2653                         struct host_port_stats *pstats;
2654
2655                         pstats = bnx2x_sp(bp, port_stats);
2656                         /* reset old mac stats */
2657                         memset(&(pstats->mac_stx[0]), 0,
2658                                sizeof(struct mac_stx));
2659                 }
2660                 if (bp->state == BNX2X_STATE_OPEN)
2661                         bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2662         }
2663
2664         if (bp->link_vars.link_up && bp->link_vars.line_speed)
2665                 bnx2x_set_local_cmng(bp);
2666
2667         __bnx2x_link_report(bp);
2668
2669         if (IS_MF(bp))
2670                 bnx2x_link_sync_notify(bp);
2671 }
2672
2673 void bnx2x__link_status_update(struct bnx2x *bp)
2674 {
2675         if (bp->state != BNX2X_STATE_OPEN)
2676                 return;
2677
2678         /* read updated dcb configuration */
2679         if (IS_PF(bp)) {
2680                 bnx2x_dcbx_pmf_update(bp);
2681                 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2682                 if (bp->link_vars.link_up)
2683                         bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2684                 else
2685                         bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2686                         /* indicate link status */
2687                 bnx2x_link_report(bp);
2688
2689         } else { /* VF */
2690                 bp->port.supported[0] |= (SUPPORTED_10baseT_Half |
2691                                           SUPPORTED_10baseT_Full |
2692                                           SUPPORTED_100baseT_Half |
2693                                           SUPPORTED_100baseT_Full |
2694                                           SUPPORTED_1000baseT_Full |
2695                                           SUPPORTED_2500baseX_Full |
2696                                           SUPPORTED_10000baseT_Full |
2697                                           SUPPORTED_TP |
2698                                           SUPPORTED_FIBRE |
2699                                           SUPPORTED_Autoneg |
2700                                           SUPPORTED_Pause |
2701                                           SUPPORTED_Asym_Pause);
2702                 bp->port.advertising[0] = bp->port.supported[0];
2703
2704                 bp->link_params.bp = bp;
2705                 bp->link_params.port = BP_PORT(bp);
2706                 bp->link_params.req_duplex[0] = DUPLEX_FULL;
2707                 bp->link_params.req_flow_ctrl[0] = BNX2X_FLOW_CTRL_NONE;
2708                 bp->link_params.req_line_speed[0] = SPEED_10000;
2709                 bp->link_params.speed_cap_mask[0] = 0x7f0000;
2710                 bp->link_params.switch_cfg = SWITCH_CFG_10G;
2711                 bp->link_vars.mac_type = MAC_TYPE_BMAC;
2712                 bp->link_vars.line_speed = SPEED_10000;
2713                 bp->link_vars.link_status =
2714                         (LINK_STATUS_LINK_UP |
2715                          LINK_STATUS_SPEED_AND_DUPLEX_10GTFD);
2716                 bp->link_vars.link_up = 1;
2717                 bp->link_vars.duplex = DUPLEX_FULL;
2718                 bp->link_vars.flow_ctrl = BNX2X_FLOW_CTRL_NONE;
2719                 __bnx2x_link_report(bp);
2720
2721                 bnx2x_sample_bulletin(bp);
2722
2723                 /* if bulletin board did not have an update for link status
2724                  * __bnx2x_link_report will report current status
2725                  * but it will NOT duplicate report in case of already reported
2726                  * during sampling bulletin board.
2727                  */
2728                 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2729         }
2730 }
2731
2732 static int bnx2x_afex_func_update(struct bnx2x *bp, u16 vifid,
2733                                   u16 vlan_val, u8 allowed_prio)
2734 {
2735         struct bnx2x_func_state_params func_params = {NULL};
2736         struct bnx2x_func_afex_update_params *f_update_params =
2737                 &func_params.params.afex_update;
2738
2739         func_params.f_obj = &bp->func_obj;
2740         func_params.cmd = BNX2X_F_CMD_AFEX_UPDATE;
2741
2742         /* no need to wait for RAMROD completion, so don't
2743          * set RAMROD_COMP_WAIT flag
2744          */
2745
2746         f_update_params->vif_id = vifid;
2747         f_update_params->afex_default_vlan = vlan_val;
2748         f_update_params->allowed_priorities = allowed_prio;
2749
2750         /* if ramrod can not be sent, response to MCP immediately */
2751         if (bnx2x_func_state_change(bp, &func_params) < 0)
2752                 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
2753
2754         return 0;
2755 }
2756
2757 static int bnx2x_afex_handle_vif_list_cmd(struct bnx2x *bp, u8 cmd_type,
2758                                           u16 vif_index, u8 func_bit_map)
2759 {
2760         struct bnx2x_func_state_params func_params = {NULL};
2761         struct bnx2x_func_afex_viflists_params *update_params =
2762                 &func_params.params.afex_viflists;
2763         int rc;
2764         u32 drv_msg_code;
2765
2766         /* validate only LIST_SET and LIST_GET are received from switch */
2767         if ((cmd_type != VIF_LIST_RULE_GET) && (cmd_type != VIF_LIST_RULE_SET))
2768                 BNX2X_ERR("BUG! afex_handle_vif_list_cmd invalid type 0x%x\n",
2769                           cmd_type);
2770
2771         func_params.f_obj = &bp->func_obj;
2772         func_params.cmd = BNX2X_F_CMD_AFEX_VIFLISTS;
2773
2774         /* set parameters according to cmd_type */
2775         update_params->afex_vif_list_command = cmd_type;
2776         update_params->vif_list_index = vif_index;
2777         update_params->func_bit_map =
2778                 (cmd_type == VIF_LIST_RULE_GET) ? 0 : func_bit_map;
2779         update_params->func_to_clear = 0;
2780         drv_msg_code =
2781                 (cmd_type == VIF_LIST_RULE_GET) ?
2782                 DRV_MSG_CODE_AFEX_LISTGET_ACK :
2783                 DRV_MSG_CODE_AFEX_LISTSET_ACK;
2784
2785         /* if ramrod can not be sent, respond to MCP immediately for
2786          * SET and GET requests (other are not triggered from MCP)
2787          */
2788         rc = bnx2x_func_state_change(bp, &func_params);
2789         if (rc < 0)
2790                 bnx2x_fw_command(bp, drv_msg_code, 0);
2791
2792         return 0;
2793 }
2794
2795 static void bnx2x_handle_afex_cmd(struct bnx2x *bp, u32 cmd)
2796 {
2797         struct afex_stats afex_stats;
2798         u32 func = BP_ABS_FUNC(bp);
2799         u32 mf_config;
2800         u16 vlan_val;
2801         u32 vlan_prio;
2802         u16 vif_id;
2803         u8 allowed_prio;
2804         u8 vlan_mode;
2805         u32 addr_to_write, vifid, addrs, stats_type, i;
2806
2807         if (cmd & DRV_STATUS_AFEX_LISTGET_REQ) {
2808                 vifid = SHMEM2_RD(bp, afex_param1_to_driver[BP_FW_MB_IDX(bp)]);
2809                 DP(BNX2X_MSG_MCP,
2810                    "afex: got MCP req LISTGET_REQ for vifid 0x%x\n", vifid);
2811                 bnx2x_afex_handle_vif_list_cmd(bp, VIF_LIST_RULE_GET, vifid, 0);
2812         }
2813
2814         if (cmd & DRV_STATUS_AFEX_LISTSET_REQ) {
2815                 vifid = SHMEM2_RD(bp, afex_param1_to_driver[BP_FW_MB_IDX(bp)]);
2816                 addrs = SHMEM2_RD(bp, afex_param2_to_driver[BP_FW_MB_IDX(bp)]);
2817                 DP(BNX2X_MSG_MCP,
2818                    "afex: got MCP req LISTSET_REQ for vifid 0x%x addrs 0x%x\n",
2819                    vifid, addrs);
2820                 bnx2x_afex_handle_vif_list_cmd(bp, VIF_LIST_RULE_SET, vifid,
2821                                                addrs);
2822         }
2823
2824         if (cmd & DRV_STATUS_AFEX_STATSGET_REQ) {
2825                 addr_to_write = SHMEM2_RD(bp,
2826                         afex_scratchpad_addr_to_write[BP_FW_MB_IDX(bp)]);
2827                 stats_type = SHMEM2_RD(bp,
2828                         afex_param1_to_driver[BP_FW_MB_IDX(bp)]);
2829
2830                 DP(BNX2X_MSG_MCP,
2831                    "afex: got MCP req STATSGET_REQ, write to addr 0x%x\n",
2832                    addr_to_write);
2833
2834                 bnx2x_afex_collect_stats(bp, (void *)&afex_stats, stats_type);
2835
2836                 /* write response to scratchpad, for MCP */
2837                 for (i = 0; i < (sizeof(struct afex_stats)/sizeof(u32)); i++)
2838                         REG_WR(bp, addr_to_write + i*sizeof(u32),
2839                                *(((u32 *)(&afex_stats))+i));
2840
2841                 /* send ack message to MCP */
2842                 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_STATSGET_ACK, 0);
2843         }
2844
2845         if (cmd & DRV_STATUS_AFEX_VIFSET_REQ) {
2846                 mf_config = MF_CFG_RD(bp, func_mf_config[func].config);
2847                 bp->mf_config[BP_VN(bp)] = mf_config;
2848                 DP(BNX2X_MSG_MCP,
2849                    "afex: got MCP req VIFSET_REQ, mf_config 0x%x\n",
2850                    mf_config);
2851
2852                 /* if VIF_SET is "enabled" */
2853                 if (!(mf_config & FUNC_MF_CFG_FUNC_DISABLED)) {
2854                         /* set rate limit directly to internal RAM */
2855                         struct cmng_init_input cmng_input;
2856                         struct rate_shaping_vars_per_vn m_rs_vn;
2857                         size_t size = sizeof(struct rate_shaping_vars_per_vn);
2858                         u32 addr = BAR_XSTRORM_INTMEM +
2859                             XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(BP_FUNC(bp));
2860
2861                         bp->mf_config[BP_VN(bp)] = mf_config;
2862
2863                         bnx2x_calc_vn_max(bp, BP_VN(bp), &cmng_input);
2864                         m_rs_vn.vn_counter.rate =
2865                                 cmng_input.vnic_max_rate[BP_VN(bp)];
2866                         m_rs_vn.vn_counter.quota =
2867                                 (m_rs_vn.vn_counter.rate *
2868                                  RS_PERIODIC_TIMEOUT_USEC) / 8;
2869
2870                         __storm_memset_struct(bp, addr, size, (u32 *)&m_rs_vn);
2871
2872                         /* read relevant values from mf_cfg struct in shmem */
2873                         vif_id =
2874                                 (MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
2875                                  FUNC_MF_CFG_E1HOV_TAG_MASK) >>
2876                                 FUNC_MF_CFG_E1HOV_TAG_SHIFT;
2877                         vlan_val =
2878                                 (MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
2879                                  FUNC_MF_CFG_AFEX_VLAN_MASK) >>
2880                                 FUNC_MF_CFG_AFEX_VLAN_SHIFT;
2881                         vlan_prio = (mf_config &
2882                                      FUNC_MF_CFG_TRANSMIT_PRIORITY_MASK) >>
2883                                     FUNC_MF_CFG_TRANSMIT_PRIORITY_SHIFT;
2884                         vlan_val |= (vlan_prio << VLAN_PRIO_SHIFT);
2885                         vlan_mode =
2886                                 (MF_CFG_RD(bp,
2887                                            func_mf_config[func].afex_config) &
2888                                  FUNC_MF_CFG_AFEX_VLAN_MODE_MASK) >>
2889                                 FUNC_MF_CFG_AFEX_VLAN_MODE_SHIFT;
2890                         allowed_prio =
2891                                 (MF_CFG_RD(bp,
2892                                            func_mf_config[func].afex_config) &
2893                                  FUNC_MF_CFG_AFEX_COS_FILTER_MASK) >>
2894                                 FUNC_MF_CFG_AFEX_COS_FILTER_SHIFT;
2895
2896                         /* send ramrod to FW, return in case of failure */
2897                         if (bnx2x_afex_func_update(bp, vif_id, vlan_val,
2898                                                    allowed_prio))
2899                                 return;
2900
2901                         bp->afex_def_vlan_tag = vlan_val;
2902                         bp->afex_vlan_mode = vlan_mode;
2903                 } else {
2904                         /* notify link down because BP->flags is disabled */
2905                         bnx2x_link_report(bp);
2906
2907                         /* send INVALID VIF ramrod to FW */
2908                         bnx2x_afex_func_update(bp, 0xFFFF, 0, 0);
2909
2910                         /* Reset the default afex VLAN */
2911                         bp->afex_def_vlan_tag = -1;
2912                 }
2913         }
2914 }
2915
2916 static void bnx2x_handle_update_svid_cmd(struct bnx2x *bp)
2917 {
2918         struct bnx2x_func_switch_update_params *switch_update_params;
2919         struct bnx2x_func_state_params func_params;
2920
2921         memset(&func_params, 0, sizeof(struct bnx2x_func_state_params));
2922         switch_update_params = &func_params.params.switch_update;
2923         func_params.f_obj = &bp->func_obj;
2924         func_params.cmd = BNX2X_F_CMD_SWITCH_UPDATE;
2925
2926         if (IS_MF_UFP(bp) || IS_MF_BD(bp)) {
2927                 int func = BP_ABS_FUNC(bp);
2928                 u32 val;
2929
2930                 /* Re-learn the S-tag from shmem */
2931                 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
2932                                 FUNC_MF_CFG_E1HOV_TAG_MASK;
2933                 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
2934                         bp->mf_ov = val;
2935                 } else {
2936                         BNX2X_ERR("Got an SVID event, but no tag is configured in shmem\n");
2937                         goto fail;
2938                 }
2939
2940                 /* Configure new S-tag in LLH */
2941                 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + BP_PORT(bp) * 8,
2942                        bp->mf_ov);
2943
2944                 /* Send Ramrod to update FW of change */
2945                 __set_bit(BNX2X_F_UPDATE_SD_VLAN_TAG_CHNG,
2946                           &switch_update_params->changes);
2947                 switch_update_params->vlan = bp->mf_ov;
2948
2949                 if (bnx2x_func_state_change(bp, &func_params) < 0) {
2950                         BNX2X_ERR("Failed to configure FW of S-tag Change to %02x\n",
2951                                   bp->mf_ov);
2952                         goto fail;
2953                 } else {
2954                         DP(BNX2X_MSG_MCP, "Configured S-tag %02x\n",
2955                            bp->mf_ov);
2956                 }
2957         } else {
2958                 goto fail;
2959         }
2960
2961         bnx2x_fw_command(bp, DRV_MSG_CODE_OEM_UPDATE_SVID_OK, 0);
2962         return;
2963 fail:
2964         bnx2x_fw_command(bp, DRV_MSG_CODE_OEM_UPDATE_SVID_FAILURE, 0);
2965 }
2966
2967 static void bnx2x_pmf_update(struct bnx2x *bp)
2968 {
2969         int port = BP_PORT(bp);
2970         u32 val;
2971
2972         bp->port.pmf = 1;
2973         DP(BNX2X_MSG_MCP, "pmf %d\n", bp->port.pmf);
2974
2975         /*
2976          * We need the mb() to ensure the ordering between the writing to
2977          * bp->port.pmf here and reading it from the bnx2x_periodic_task().
2978          */
2979         smp_mb();
2980
2981         /* queue a periodic task */
2982         queue_delayed_work(bnx2x_wq, &bp->period_task, 0);
2983
2984         bnx2x_dcbx_pmf_update(bp);
2985
2986         /* enable nig attention */
2987         val = (0xff0f | (1 << (BP_VN(bp) + 4)));
2988         if (bp->common.int_block == INT_BLOCK_HC) {
2989                 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2990                 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
2991         } else if (!CHIP_IS_E1x(bp)) {
2992                 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
2993                 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
2994         }
2995
2996         bnx2x_stats_handle(bp, STATS_EVENT_PMF);
2997 }
2998
2999 /* end of Link */
3000
3001 /* slow path */
3002
3003 /*
3004  * General service functions
3005  */
3006
3007 /* send the MCP a request, block until there is a reply */
3008 u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
3009 {
3010         int mb_idx = BP_FW_MB_IDX(bp);
3011         u32 seq;
3012         u32 rc = 0;
3013         u32 cnt = 1;
3014         u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
3015
3016         mutex_lock(&bp->fw_mb_mutex);
3017         seq = ++bp->fw_seq;
3018         SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
3019         SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));
3020
3021         DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB param 0x%08x\n",
3022                         (command | seq), param);
3023
3024         do {
3025                 /* let the FW do it's magic ... */
3026                 msleep(delay);
3027
3028                 rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
3029
3030                 /* Give the FW up to 5 second (500*10ms) */
3031         } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
3032
3033         DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
3034            cnt*delay, rc, seq);
3035
3036         /* is this a reply to our command? */
3037         if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK))
3038                 rc &= FW_MSG_CODE_MASK;
3039         else {
3040                 /* FW BUG! */
3041                 BNX2X_ERR("FW failed to respond!\n");
3042                 bnx2x_fw_dump(bp);
3043                 rc = 0;
3044         }
3045         mutex_unlock(&bp->fw_mb_mutex);
3046
3047         return rc;
3048 }
3049
3050 static void storm_memset_func_cfg(struct bnx2x *bp,
3051                                  struct tstorm_eth_function_common_config *tcfg,
3052                                  u16 abs_fid)
3053 {
3054         size_t size = sizeof(struct tstorm_eth_function_common_config);
3055
3056         u32 addr = BAR_TSTRORM_INTMEM +
3057                         TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(abs_fid);
3058
3059         __storm_memset_struct(bp, addr, size, (u32 *)tcfg);
3060 }
3061
3062 void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
3063 {
3064         if (CHIP_IS_E1x(bp)) {
3065                 struct tstorm_eth_function_common_config tcfg = {0};
3066
3067                 storm_memset_func_cfg(bp, &tcfg, p->func_id);
3068         }
3069
3070         /* Enable the function in the FW */
3071         storm_memset_vf_to_pf(bp, p->func_id, p->pf_id);
3072         storm_memset_func_en(bp, p->func_id, 1);
3073
3074         /* spq */
3075         if (p->spq_active) {
3076                 storm_memset_spq_addr(bp, p->spq_map, p->func_id);
3077                 REG_WR(bp, XSEM_REG_FAST_MEMORY +
3078                        XSTORM_SPQ_PROD_OFFSET(p->func_id), p->spq_prod);
3079         }
3080 }
3081
3082 /**
3083  * bnx2x_get_common_flags - Return common flags
3084  *
3085  * @bp          device handle
3086  * @fp          queue handle
3087  * @zero_stats  TRUE if statistics zeroing is needed
3088  *
3089  * Return the flags that are common for the Tx-only and not normal connections.
3090  */
3091 static unsigned long bnx2x_get_common_flags(struct bnx2x *bp,
3092                                             struct bnx2x_fastpath *fp,
3093                                             bool zero_stats)
3094 {
3095         unsigned long flags = 0;
3096
3097         /* PF driver will always initialize the Queue to an ACTIVE state */
3098         __set_bit(BNX2X_Q_FLG_ACTIVE, &flags);
3099
3100         /* tx only connections collect statistics (on the same index as the
3101          * parent connection). The statistics are zeroed when the parent
3102          * connection is initialized.
3103          */
3104
3105         __set_bit(BNX2X_Q_FLG_STATS, &flags);
3106         if (zero_stats)
3107                 __set_bit(BNX2X_Q_FLG_ZERO_STATS, &flags);
3108
3109         if (bp->flags & TX_SWITCHING)
3110                 __set_bit(BNX2X_Q_FLG_TX_SWITCH, &flags);
3111
3112         __set_bit(BNX2X_Q_FLG_PCSUM_ON_PKT, &flags);
3113         __set_bit(BNX2X_Q_FLG_TUN_INC_INNER_IP_ID, &flags);
3114
3115 #ifdef BNX2X_STOP_ON_ERROR
3116         __set_bit(BNX2X_Q_FLG_TX_SEC, &flags);
3117 #endif
3118
3119         return flags;
3120 }
3121
3122 static unsigned long bnx2x_get_q_flags(struct bnx2x *bp,
3123                                        struct bnx2x_fastpath *fp,
3124                                        bool leading)
3125 {
3126         unsigned long flags = 0;
3127
3128         /* calculate other queue flags */
3129         if (IS_MF_SD(bp))
3130                 __set_bit(BNX2X_Q_FLG_OV, &flags);
3131
3132         if (IS_FCOE_FP(fp)) {
3133                 __set_bit(BNX2X_Q_FLG_FCOE, &flags);
3134                 /* For FCoE - force usage of default priority (for afex) */
3135                 __set_bit(BNX2X_Q_FLG_FORCE_DEFAULT_PRI, &flags);
3136         }
3137
3138         if (fp->mode != TPA_MODE_DISABLED) {
3139                 __set_bit(BNX2X_Q_FLG_TPA, &flags);
3140                 __set_bit(BNX2X_Q_FLG_TPA_IPV6, &flags);
3141                 if (fp->mode == TPA_MODE_GRO)
3142                         __set_bit(BNX2X_Q_FLG_TPA_GRO, &flags);
3143         }
3144
3145         if (leading) {
3146                 __set_bit(BNX2X_Q_FLG_LEADING_RSS, &flags);
3147                 __set_bit(BNX2X_Q_FLG_MCAST, &flags);
3148         }
3149
3150         /* Always set HW VLAN stripping */
3151         __set_bit(BNX2X_Q_FLG_VLAN, &flags);
3152
3153         /* configure silent vlan removal */
3154         if (IS_MF_AFEX(bp))
3155                 __set_bit(BNX2X_Q_FLG_SILENT_VLAN_REM, &flags);
3156
3157         return flags | bnx2x_get_common_flags(bp, fp, true);
3158 }
3159
3160 static void bnx2x_pf_q_prep_general(struct bnx2x *bp,
3161         struct bnx2x_fastpath *fp, struct bnx2x_general_setup_params *gen_init,
3162         u8 cos)
3163 {
3164         gen_init->stat_id = bnx2x_stats_id(fp);
3165         gen_init->spcl_id = fp->cl_id;
3166
3167         /* Always use mini-jumbo MTU for FCoE L2 ring */
3168         if (IS_FCOE_FP(fp))
3169                 gen_init->mtu = BNX2X_FCOE_MINI_JUMBO_MTU;
3170         else
3171                 gen_init->mtu = bp->dev->mtu;
3172
3173         gen_init->cos = cos;
3174
3175         gen_init->fp_hsi = ETH_FP_HSI_VERSION;
3176 }
3177
3178 static void bnx2x_pf_rx_q_prep(struct bnx2x *bp,
3179         struct bnx2x_fastpath *fp, struct rxq_pause_params *pause,
3180         struct bnx2x_rxq_setup_params *rxq_init)
3181 {
3182         u8 max_sge = 0;
3183         u16 sge_sz = 0;
3184         u16 tpa_agg_size = 0;
3185
3186         if (fp->mode != TPA_MODE_DISABLED) {
3187                 pause->sge_th_lo = SGE_TH_LO(bp);
3188                 pause->sge_th_hi = SGE_TH_HI(bp);
3189
3190                 /* validate SGE ring has enough to cross high threshold */
3191                 WARN_ON(bp->dropless_fc &&
3192                                 pause->sge_th_hi + FW_PREFETCH_CNT >
3193                                 MAX_RX_SGE_CNT * NUM_RX_SGE_PAGES);
3194
3195                 tpa_agg_size = TPA_AGG_SIZE;
3196                 max_sge = SGE_PAGE_ALIGN(bp->dev->mtu) >>
3197                         SGE_PAGE_SHIFT;
3198                 max_sge = ((max_sge + PAGES_PER_SGE - 1) &
3199                           (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
3200                 sge_sz = (u16)min_t(u32, SGE_PAGES, 0xffff);
3201         }
3202
3203         /* pause - not for e1 */
3204         if (!CHIP_IS_E1(bp)) {
3205                 pause->bd_th_lo = BD_TH_LO(bp);
3206                 pause->bd_th_hi = BD_TH_HI(bp);
3207
3208                 pause->rcq_th_lo = RCQ_TH_LO(bp);
3209                 pause->rcq_th_hi = RCQ_TH_HI(bp);
3210                 /*
3211                  * validate that rings have enough entries to cross
3212                  * high thresholds
3213                  */
3214                 WARN_ON(bp->dropless_fc &&
3215                                 pause->bd_th_hi + FW_PREFETCH_CNT >
3216                                 bp->rx_ring_size);
3217                 WARN_ON(bp->dropless_fc &&
3218                                 pause->rcq_th_hi + FW_PREFETCH_CNT >
3219                                 NUM_RCQ_RINGS * MAX_RCQ_DESC_CNT);
3220
3221                 pause->pri_map = 1;
3222         }
3223
3224         /* rxq setup */
3225         rxq_init->dscr_map = fp->rx_desc_mapping;
3226         rxq_init->sge_map = fp->rx_sge_mapping;
3227         rxq_init->rcq_map = fp->rx_comp_mapping;
3228         rxq_init->rcq_np_map = fp->rx_comp_mapping + BCM_PAGE_SIZE;
3229
3230         /* This should be a maximum number of data bytes that may be
3231          * placed on the BD (not including paddings).
3232          */
3233         rxq_init->buf_sz = fp->rx_buf_size - BNX2X_FW_RX_ALIGN_START -
3234                            BNX2X_FW_RX_ALIGN_END - IP_HEADER_ALIGNMENT_PADDING;
3235
3236         rxq_init->cl_qzone_id = fp->cl_qzone_id;
3237         rxq_init->tpa_agg_sz = tpa_agg_size;
3238         rxq_init->sge_buf_sz = sge_sz;
3239         rxq_init->max_sges_pkt = max_sge;
3240         rxq_init->rss_engine_id = BP_FUNC(bp);
3241         rxq_init->mcast_engine_id = BP_FUNC(bp);
3242
3243         /* Maximum number or simultaneous TPA aggregation for this Queue.
3244          *
3245          * For PF Clients it should be the maximum available number.
3246          * VF driver(s) may want to define it to a smaller value.
3247          */
3248         rxq_init->max_tpa_queues = MAX_AGG_QS(bp);
3249
3250         rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
3251         rxq_init->fw_sb_id = fp->fw_sb_id;
3252
3253         if (IS_FCOE_FP(fp))
3254                 rxq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS;
3255         else
3256                 rxq_init->sb_cq_index = HC_INDEX_ETH_RX_CQ_CONS;
3257         /* configure silent vlan removal
3258          * if multi function mode is afex, then mask default vlan
3259          */
3260         if (IS_MF_AFEX(bp)) {
3261                 rxq_init->silent_removal_value = bp->afex_def_vlan_tag;
3262                 rxq_init->silent_removal_mask = VLAN_VID_MASK;
3263         }
3264 }
3265
3266 static void bnx2x_pf_tx_q_prep(struct bnx2x *bp,
3267         struct bnx2x_fastpath *fp, struct bnx2x_txq_setup_params *txq_init,
3268         u8 cos)
3269 {
3270         txq_init->dscr_map = fp->txdata_ptr[cos]->tx_desc_mapping;
3271         txq_init->sb_cq_index = HC_INDEX_ETH_FIRST_TX_CQ_CONS + cos;
3272         txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
3273         txq_init->fw_sb_id = fp->fw_sb_id;
3274
3275         /*
3276          * set the tss leading client id for TX classification ==
3277          * leading RSS client id
3278          */
3279         txq_init->tss_leading_cl_id = bnx2x_fp(bp, 0, cl_id);
3280
3281         if (IS_FCOE_FP(fp)) {
3282                 txq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS;
3283                 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_FCOE;
3284         }
3285 }
3286
3287 static void bnx2x_pf_init(struct bnx2x *bp)
3288 {
3289         struct bnx2x_func_init_params func_init = {0};
3290         struct event_ring_data eq_data = { {0} };
3291
3292         if (!CHIP_IS_E1x(bp)) {
3293                 /* reset IGU PF statistics: MSIX + ATTN */
3294                 /* PF */
3295                 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
3296                            BNX2X_IGU_STAS_MSG_VF_CNT*4 +
3297                            (CHIP_MODE_IS_4_PORT(bp) ?
3298                                 BP_FUNC(bp) : BP_VN(bp))*4, 0);
3299                 /* ATTN */
3300                 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
3301                            BNX2X_IGU_STAS_MSG_VF_CNT*4 +
3302                            BNX2X_IGU_STAS_MSG_PF_CNT*4 +
3303                            (CHIP_MODE_IS_4_PORT(bp) ?
3304                                 BP_FUNC(bp) : BP_VN(bp))*4, 0);
3305         }
3306
3307         func_init.spq_active = true;
3308         func_init.pf_id = BP_FUNC(bp);
3309         func_init.func_id = BP_FUNC(bp);
3310         func_init.spq_map = bp->spq_mapping;
3311         func_init.spq_prod = bp->spq_prod_idx;
3312
3313         bnx2x_func_init(bp, &func_init);
3314
3315         memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port));
3316
3317         /*
3318          * Congestion management values depend on the link rate
3319          * There is no active link so initial link rate is set to 10 Gbps.
3320          * When the link comes up The congestion management values are
3321          * re-calculated according to the actual link rate.
3322          */
3323         bp->link_vars.line_speed = SPEED_10000;
3324         bnx2x_cmng_fns_init(bp, true, bnx2x_get_cmng_fns_mode(bp));
3325
3326         /* Only the PMF sets the HW */
3327         if (bp->port.pmf)
3328                 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
3329
3330         /* init Event Queue - PCI bus guarantees correct endianity*/
3331         eq_data.base_addr.hi = U64_HI(bp->eq_mapping);
3332         eq_data.base_addr.lo = U64_LO(bp->eq_mapping);
3333         eq_data.producer = bp->eq_prod;
3334         eq_data.index_id = HC_SP_INDEX_EQ_CONS;
3335         eq_data.sb_id = DEF_SB_ID;
3336         storm_memset_eq_data(bp, &eq_data, BP_FUNC(bp));
3337 }
3338
3339 static void bnx2x_e1h_disable(struct bnx2x *bp)
3340 {
3341         int port = BP_PORT(bp);
3342
3343         bnx2x_tx_disable(bp);
3344
3345         REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
3346 }
3347
3348 static void bnx2x_e1h_enable(struct bnx2x *bp)
3349 {
3350         int port = BP_PORT(bp);
3351
3352         if (!(IS_MF_UFP(bp) && BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp)))
3353                 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port * 8, 1);
3354
3355         /* Tx queue should be only re-enabled */
3356         netif_tx_wake_all_queues(bp->dev);
3357
3358         /*
3359          * Should not call netif_carrier_on since it will be called if the link
3360          * is up when checking for link state
3361          */
3362 }
3363
3364 #define DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED 3
3365
3366 static void bnx2x_drv_info_ether_stat(struct bnx2x *bp)
3367 {
3368         struct eth_stats_info *ether_stat =
3369                 &bp->slowpath->drv_info_to_mcp.ether_stat;
3370         struct bnx2x_vlan_mac_obj *mac_obj =
3371                 &bp->sp_objs->mac_obj;
3372         int i;
3373
3374         strlcpy(ether_stat->version, DRV_MODULE_VERSION,
3375                 ETH_STAT_INFO_VERSION_LEN);
3376
3377         /* get DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED macs, placing them in the
3378          * mac_local field in ether_stat struct. The base address is offset by 2
3379          * bytes to account for the field being 8 bytes but a mac address is
3380          * only 6 bytes. Likewise, the stride for the get_n_elements function is
3381          * 2 bytes to compensate from the 6 bytes of a mac to the 8 bytes
3382          * allocated by the ether_stat struct, so the macs will land in their
3383          * proper positions.
3384          */
3385         for (i = 0; i < DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED; i++)
3386                 memset(ether_stat->mac_local + i, 0,
3387                        sizeof(ether_stat->mac_local[0]));
3388         mac_obj->get_n_elements(bp, &bp->sp_objs[0].mac_obj,
3389                                 DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED,
3390                                 ether_stat->mac_local + MAC_PAD, MAC_PAD,
3391                                 ETH_ALEN);
3392         ether_stat->mtu_size = bp->dev->mtu;
3393         if (bp->dev->features & NETIF_F_RXCSUM)
3394                 ether_stat->feature_flags |= FEATURE_ETH_CHKSUM_OFFLOAD_MASK;
3395         if (bp->dev->features & NETIF_F_TSO)
3396                 ether_stat->feature_flags |= FEATURE_ETH_LSO_MASK;
3397         ether_stat->feature_flags |= bp->common.boot_mode;
3398
3399         ether_stat->promiscuous_mode = (bp->dev->flags & IFF_PROMISC) ? 1 : 0;
3400
3401         ether_stat->txq_size = bp->tx_ring_size;
3402         ether_stat->rxq_size = bp->rx_ring_size;
3403
3404 #ifdef CONFIG_BNX2X_SRIOV
3405         ether_stat->vf_cnt = IS_SRIOV(bp) ? bp->vfdb->sriov.nr_virtfn : 0;
3406 #endif
3407 }
3408
3409 static void bnx2x_drv_info_fcoe_stat(struct bnx2x *bp)
3410 {
3411         struct bnx2x_dcbx_app_params *app = &bp->dcbx_port_params.app;
3412         struct fcoe_stats_info *fcoe_stat =
3413                 &bp->slowpath->drv_info_to_mcp.fcoe_stat;
3414
3415         if (!CNIC_LOADED(bp))
3416                 return;
3417
3418         memcpy(fcoe_stat->mac_local + MAC_PAD, bp->fip_mac, ETH_ALEN);
3419
3420         fcoe_stat->qos_priority =
3421                 app->traffic_type_priority[LLFC_TRAFFIC_TYPE_FCOE];
3422
3423         /* insert FCoE stats from ramrod response */
3424         if (!NO_FCOE(bp)) {
3425                 struct tstorm_per_queue_stats *fcoe_q_tstorm_stats =
3426                         &bp->fw_stats_data->queue_stats[FCOE_IDX(bp)].
3427                         tstorm_queue_statistics;
3428
3429                 struct xstorm_per_queue_stats *fcoe_q_xstorm_stats =
3430                         &bp->fw_stats_data->queue_stats[FCOE_IDX(bp)].
3431                         xstorm_queue_statistics;
3432
3433                 struct fcoe_statistics_params *fw_fcoe_stat =
3434                         &bp->fw_stats_data->fcoe;
3435
3436                 ADD_64_LE(fcoe_stat->rx_bytes_hi, LE32_0,
3437                           fcoe_stat->rx_bytes_lo,
3438                           fw_fcoe_stat->rx_stat0.fcoe_rx_byte_cnt);
3439
3440                 ADD_64_LE(fcoe_stat->rx_bytes_hi,
3441                           fcoe_q_tstorm_stats->rcv_ucast_bytes.hi,
3442                           fcoe_stat->rx_bytes_lo,
3443                           fcoe_q_tstorm_stats->rcv_ucast_bytes.lo);
3444
3445                 ADD_64_LE(fcoe_stat->rx_bytes_hi,
3446                           fcoe_q_tstorm_stats->rcv_bcast_bytes.hi,
3447                           fcoe_stat->rx_bytes_lo,
3448                           fcoe_q_tstorm_stats->rcv_bcast_bytes.lo);
3449
3450                 ADD_64_LE(fcoe_stat->rx_bytes_hi,
3451                           fcoe_q_tstorm_stats->rcv_mcast_bytes.hi,
3452                           fcoe_stat->rx_bytes_lo,
3453                           fcoe_q_tstorm_stats->rcv_mcast_bytes.lo);
3454
3455                 ADD_64_LE(fcoe_stat->rx_frames_hi, LE32_0,
3456                           fcoe_stat->rx_frames_lo,
3457                           fw_fcoe_stat->rx_stat0.fcoe_rx_pkt_cnt);
3458
3459                 ADD_64_LE(fcoe_stat->rx_frames_hi, LE32_0,
3460                           fcoe_stat->rx_frames_lo,
3461                           fcoe_q_tstorm_stats->rcv_ucast_pkts);
3462
3463                 ADD_64_LE(fcoe_stat->rx_frames_hi, LE32_0,
3464                           fcoe_stat->rx_frames_lo,
3465                           fcoe_q_tstorm_stats->rcv_bcast_pkts);
3466
3467                 ADD_64_LE(fcoe_stat->rx_frames_hi, LE32_0,
3468                           fcoe_stat->rx_frames_lo,
3469                           fcoe_q_tstorm_stats->rcv_mcast_pkts);
3470
3471                 ADD_64_LE(fcoe_stat->tx_bytes_hi, LE32_0,
3472                           fcoe_stat->tx_bytes_lo,
3473                           fw_fcoe_stat->tx_stat.fcoe_tx_byte_cnt);
3474
3475                 ADD_64_LE(fcoe_stat->tx_bytes_hi,
3476                           fcoe_q_xstorm_stats->ucast_bytes_sent.hi,
3477                           fcoe_stat->tx_bytes_lo,
3478                           fcoe_q_xstorm_stats->ucast_bytes_sent.lo);
3479
3480                 ADD_64_LE(fcoe_stat->tx_bytes_hi,
3481                           fcoe_q_xstorm_stats->bcast_bytes_sent.hi,
3482                           fcoe_stat->tx_bytes_lo,
3483                           fcoe_q_xstorm_stats->bcast_bytes_sent.lo);
3484
3485                 ADD_64_LE(fcoe_stat->tx_bytes_hi,
3486                           fcoe_q_xstorm_stats->mcast_bytes_sent.hi,
3487                           fcoe_stat->tx_bytes_lo,
3488                           fcoe_q_xstorm_stats->mcast_bytes_sent.lo);
3489
3490                 ADD_64_LE(fcoe_stat->tx_frames_hi, LE32_0,
3491                           fcoe_stat->tx_frames_lo,
3492                           fw_fcoe_stat->tx_stat.fcoe_tx_pkt_cnt);
3493
3494                 ADD_64_LE(fcoe_stat->tx_frames_hi, LE32_0,
3495                           fcoe_stat->tx_frames_lo,
3496                           fcoe_q_xstorm_stats->ucast_pkts_sent);
3497
3498                 ADD_64_LE(fcoe_stat->tx_frames_hi, LE32_0,
3499                           fcoe_stat->tx_frames_lo,
3500                           fcoe_q_xstorm_stats->bcast_pkts_sent);
3501
3502                 ADD_64_LE(fcoe_stat->tx_frames_hi, LE32_0,
3503                           fcoe_stat->tx_frames_lo,
3504                           fcoe_q_xstorm_stats->mcast_pkts_sent);
3505         }
3506
3507         /* ask L5 driver to add data to the struct */
3508         bnx2x_cnic_notify(bp, CNIC_CTL_FCOE_STATS_GET_CMD);
3509 }
3510
3511 static void bnx2x_drv_info_iscsi_stat(struct bnx2x *bp)
3512 {
3513         struct bnx2x_dcbx_app_params *app = &bp->dcbx_port_params.app;
3514         struct iscsi_stats_info *iscsi_stat =
3515                 &bp->slowpath->drv_info_to_mcp.iscsi_stat;
3516
3517         if (!CNIC_LOADED(bp))
3518                 return;
3519
3520         memcpy(iscsi_stat->mac_local + MAC_PAD, bp->cnic_eth_dev.iscsi_mac,
3521                ETH_ALEN);
3522
3523         iscsi_stat->qos_priority =
3524                 app->traffic_type_priority[LLFC_TRAFFIC_TYPE_ISCSI];
3525
3526         /* ask L5 driver to add data to the struct */
3527         bnx2x_cnic_notify(bp, CNIC_CTL_ISCSI_STATS_GET_CMD);
3528 }
3529
3530 /* called due to MCP event (on pmf):
3531  *      reread new bandwidth configuration
3532  *      configure FW
3533  *      notify others function about the change
3534  */
3535 static void bnx2x_config_mf_bw(struct bnx2x *bp)
3536 {
3537         if (bp->link_vars.link_up) {
3538                 bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX);
3539                 bnx2x_link_sync_notify(bp);
3540         }
3541         storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
3542 }
3543
3544 static void bnx2x_set_mf_bw(struct bnx2x *bp)
3545 {
3546         bnx2x_config_mf_bw(bp);
3547         bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW_ACK, 0);
3548 }
3549
3550 static void bnx2x_handle_eee_event(struct bnx2x *bp)
3551 {
3552         DP(BNX2X_MSG_MCP, "EEE - LLDP event\n");
3553         bnx2x_fw_command(bp, DRV_MSG_CODE_EEE_RESULTS_ACK, 0);
3554 }
3555
3556 #define BNX2X_UPDATE_DRV_INFO_IND_LENGTH        (20)
3557 #define BNX2X_UPDATE_DRV_INFO_IND_COUNT         (25)
3558
3559 static void bnx2x_handle_drv_info_req(struct bnx2x *bp)
3560 {
3561         enum drv_info_opcode op_code;
3562         u32 drv_info_ctl = SHMEM2_RD(bp, drv_info_control);
3563         bool release = false;
3564         int wait;
3565
3566         /* if drv_info version supported by MFW doesn't match - send NACK */
3567         if ((drv_info_ctl & DRV_INFO_CONTROL_VER_MASK) != DRV_INFO_CUR_VER) {
3568                 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_NACK, 0);
3569                 return;
3570         }
3571
3572         op_code = (drv_info_ctl & DRV_INFO_CONTROL_OP_CODE_MASK) >>
3573                   DRV_INFO_CONTROL_OP_CODE_SHIFT;
3574
3575         /* Must prevent other flows from accessing drv_info_to_mcp */
3576         mutex_lock(&bp->drv_info_mutex);
3577
3578         memset(&bp->slowpath->drv_info_to_mcp, 0,
3579                sizeof(union drv_info_to_mcp));
3580
3581         switch (op_code) {
3582         case ETH_STATS_OPCODE:
3583                 bnx2x_drv_info_ether_stat(bp);
3584                 break;
3585         case FCOE_STATS_OPCODE:
3586                 bnx2x_drv_info_fcoe_stat(bp);
3587                 break;
3588         case ISCSI_STATS_OPCODE:
3589                 bnx2x_drv_info_iscsi_stat(bp);
3590                 break;
3591         default:
3592                 /* if op code isn't supported - send NACK */
3593                 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_NACK, 0);
3594                 goto out;
3595         }
3596
3597         /* if we got drv_info attn from MFW then these fields are defined in
3598          * shmem2 for sure
3599          */
3600         SHMEM2_WR(bp, drv_info_host_addr_lo,
3601                 U64_LO(bnx2x_sp_mapping(bp, drv_info_to_mcp)));
3602         SHMEM2_WR(bp, drv_info_host_addr_hi,
3603                 U64_HI(bnx2x_sp_mapping(bp, drv_info_to_mcp)));
3604
3605         bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_ACK, 0);
3606
3607         /* Since possible management wants both this and get_driver_version
3608          * need to wait until management notifies us it finished utilizing
3609          * the buffer.
3610          */
3611         if (!SHMEM2_HAS(bp, mfw_drv_indication)) {
3612                 DP(BNX2X_MSG_MCP, "Management does not support indication\n");
3613         } else if (!bp->drv_info_mng_owner) {
3614                 u32 bit = MFW_DRV_IND_READ_DONE_OFFSET((BP_ABS_FUNC(bp) >> 1));
3615
3616                 for (wait = 0; wait < BNX2X_UPDATE_DRV_INFO_IND_COUNT; wait++) {
3617                         u32 indication = SHMEM2_RD(bp, mfw_drv_indication);
3618
3619                         /* Management is done; need to clear indication */
3620                         if (indication & bit) {
3621                                 SHMEM2_WR(bp, mfw_drv_indication,
3622                                           indication & ~bit);
3623                                 release = true;
3624                                 break;
3625                         }
3626
3627                         msleep(BNX2X_UPDATE_DRV_INFO_IND_LENGTH);
3628                 }
3629         }
3630         if (!release) {
3631                 DP(BNX2X_MSG_MCP, "Management did not release indication\n");
3632                 bp->drv_info_mng_owner = true;
3633         }
3634
3635 out:
3636         mutex_unlock(&bp->drv_info_mutex);
3637 }
3638
3639 static u32 bnx2x_update_mng_version_utility(u8 *version, bool bnx2x_format)
3640 {
3641         u8 vals[4];
3642         int i = 0;
3643
3644         if (bnx2x_format) {
3645                 i = sscanf(version, "1.%c%hhd.%hhd.%hhd",
3646                            &vals[0], &vals[1], &vals[2], &vals[3]);
3647                 if (i > 0)
3648                         vals[0] -= '0';
3649         } else {
3650                 i = sscanf(version, "%hhd.%hhd.%hhd.%hhd",
3651                            &vals[0], &vals[1], &vals[2], &vals[3]);
3652         }
3653
3654         while (i < 4)
3655                 vals[i++] = 0;
3656
3657         return (vals[0] << 24) | (vals[1] << 16) | (vals[2] << 8) | vals[3];
3658 }
3659
3660 void bnx2x_update_mng_version(struct bnx2x *bp)
3661 {
3662         u32 iscsiver = DRV_VER_NOT_LOADED;
3663         u32 fcoever = DRV_VER_NOT_LOADED;
3664         u32 ethver = DRV_VER_NOT_LOADED;
3665         int idx = BP_FW_MB_IDX(bp);
3666         u8 *version;
3667
3668         if (!SHMEM2_HAS(bp, func_os_drv_ver))
3669                 return;
3670
3671         mutex_lock(&bp->drv_info_mutex);
3672         /* Must not proceed when `bnx2x_handle_drv_info_req' is feasible */
3673         if (bp->drv_info_mng_owner)
3674                 goto out;
3675
3676         if (bp->state != BNX2X_STATE_OPEN)
3677                 goto out;
3678
3679         /* Parse ethernet driver version */
3680         ethver = bnx2x_update_mng_version_utility(DRV_MODULE_VERSION, true);
3681         if (!CNIC_LOADED(bp))
3682                 goto out;
3683
3684         /* Try getting storage driver version via cnic */
3685         memset(&bp->slowpath->drv_info_to_mcp, 0,
3686                sizeof(union drv_info_to_mcp));
3687         bnx2x_drv_info_iscsi_stat(bp);
3688         version = bp->slowpath->drv_info_to_mcp.iscsi_stat.version;
3689         iscsiver = bnx2x_update_mng_version_utility(version, false);
3690
3691         memset(&bp->slowpath->drv_info_to_mcp, 0,
3692                sizeof(union drv_info_to_mcp));
3693         bnx2x_drv_info_fcoe_stat(bp);
3694         version = bp->slowpath->drv_info_to_mcp.fcoe_stat.version;
3695         fcoever = bnx2x_update_mng_version_utility(version, false);
3696
3697 out:
3698         SHMEM2_WR(bp, func_os_drv_ver[idx].versions[DRV_PERS_ETHERNET], ethver);
3699         SHMEM2_WR(bp, func_os_drv_ver[idx].versions[DRV_PERS_ISCSI], iscsiver);
3700         SHMEM2_WR(bp, func_os_drv_ver[idx].versions[DRV_PERS_FCOE], fcoever);
3701
3702         mutex_unlock(&bp->drv_info_mutex);
3703
3704         DP(BNX2X_MSG_MCP, "Setting driver version: ETH [%08x] iSCSI [%08x] FCoE [%08x]\n",
3705            ethver, iscsiver, fcoever);
3706 }
3707
3708 void bnx2x_update_mfw_dump(struct bnx2x *bp)
3709 {
3710         u32 drv_ver;
3711         u32 valid_dump;
3712
3713         if (!SHMEM2_HAS(bp, drv_info))
3714                 return;
3715
3716         /* Update Driver load time, possibly broken in y2038 */
3717         SHMEM2_WR(bp, drv_info.epoc, (u32)ktime_get_real_seconds());
3718
3719         drv_ver = bnx2x_update_mng_version_utility(DRV_MODULE_VERSION, true);
3720         SHMEM2_WR(bp, drv_info.drv_ver, drv_ver);
3721
3722         SHMEM2_WR(bp, drv_info.fw_ver, REG_RD(bp, XSEM_REG_PRAM));
3723
3724         /* Check & notify On-Chip dump. */
3725         valid_dump = SHMEM2_RD(bp, drv_info.valid_dump);
3726
3727         if (valid_dump & FIRST_DUMP_VALID)
3728                 DP(NETIF_MSG_IFUP, "A valid On-Chip MFW dump found on 1st partition\n");
3729
3730         if (valid_dump & SECOND_DUMP_VALID)
3731                 DP(NETIF_MSG_IFUP, "A valid On-Chip MFW dump found on 2nd partition\n");
3732 }
3733
3734 static void bnx2x_oem_event(struct bnx2x *bp, u32 event)
3735 {
3736         u32 cmd_ok, cmd_fail;
3737
3738         /* sanity */
3739         if (event & DRV_STATUS_DCC_EVENT_MASK &&
3740             event & DRV_STATUS_OEM_EVENT_MASK) {
3741                 BNX2X_ERR("Received simultaneous events %08x\n", event);
3742                 return;
3743         }
3744
3745         if (event & DRV_STATUS_DCC_EVENT_MASK) {
3746                 cmd_fail = DRV_MSG_CODE_DCC_FAILURE;
3747                 cmd_ok = DRV_MSG_CODE_DCC_OK;
3748         } else /* if (event & DRV_STATUS_OEM_EVENT_MASK) */ {
3749                 cmd_fail = DRV_MSG_CODE_OEM_FAILURE;
3750                 cmd_ok = DRV_MSG_CODE_OEM_OK;
3751         }
3752
3753         DP(BNX2X_MSG_MCP, "oem_event 0x%x\n", event);
3754
3755         if (event & (DRV_STATUS_DCC_DISABLE_ENABLE_PF |
3756                      DRV_STATUS_OEM_DISABLE_ENABLE_PF)) {
3757                 /* This is the only place besides the function initialization
3758                  * where the bp->flags can change so it is done without any
3759                  * locks
3760                  */
3761                 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
3762                         DP(BNX2X_MSG_MCP, "mf_cfg function disabled\n");
3763                         bp->flags |= MF_FUNC_DIS;
3764
3765                         bnx2x_e1h_disable(bp);
3766                 } else {
3767                         DP(BNX2X_MSG_MCP, "mf_cfg function enabled\n");
3768                         bp->flags &= ~MF_FUNC_DIS;
3769
3770                         bnx2x_e1h_enable(bp);
3771                 }
3772                 event &= ~(DRV_STATUS_DCC_DISABLE_ENABLE_PF |
3773                            DRV_STATUS_OEM_DISABLE_ENABLE_PF);
3774         }
3775
3776         if (event & (DRV_STATUS_DCC_BANDWIDTH_ALLOCATION |
3777                      DRV_STATUS_OEM_BANDWIDTH_ALLOCATION)) {
3778                 bnx2x_config_mf_bw(bp);
3779                 event &= ~(DRV_STATUS_DCC_BANDWIDTH_ALLOCATION |
3780                            DRV_STATUS_OEM_BANDWIDTH_ALLOCATION);
3781         }
3782
3783         /* Report results to MCP */
3784         if (event)
3785                 bnx2x_fw_command(bp, cmd_fail, 0);
3786         else
3787                 bnx2x_fw_command(bp, cmd_ok, 0);
3788 }
3789
3790 /* must be called under the spq lock */
3791 static struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp)
3792 {
3793         struct eth_spe *next_spe = bp->spq_prod_bd;
3794
3795         if (bp->spq_prod_bd == bp->spq_last_bd) {
3796                 bp->spq_prod_bd = bp->spq;
3797                 bp->spq_prod_idx = 0;
3798                 DP(BNX2X_MSG_SP, "end of spq\n");
3799         } else {
3800                 bp->spq_prod_bd++;
3801                 bp->spq_prod_idx++;
3802         }
3803         return next_spe;
3804 }
3805
3806 /* must be called under the spq lock */
3807 static void bnx2x_sp_prod_update(struct bnx2x *bp)
3808 {
3809         int func = BP_FUNC(bp);
3810
3811         /*
3812          * Make sure that BD data is updated before writing the producer:
3813          * BD data is written to the memory, the producer is read from the
3814          * memory, thus we need a full memory barrier to ensure the ordering.
3815          */
3816         mb();
3817
3818         REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
3819                  bp->spq_prod_idx);
3820         mmiowb();
3821 }
3822
3823 /**
3824  * bnx2x_is_contextless_ramrod - check if the current command ends on EQ
3825  *
3826  * @cmd:        command to check
3827  * @cmd_type:   command type
3828  */
3829 static bool bnx2x_is_contextless_ramrod(int cmd, int cmd_type)
3830 {
3831         if ((cmd_type == NONE_CONNECTION_TYPE) ||
3832             (cmd == RAMROD_CMD_ID_ETH_FORWARD_SETUP) ||
3833             (cmd == RAMROD_CMD_ID_ETH_CLASSIFICATION_RULES) ||
3834             (cmd == RAMROD_CMD_ID_ETH_FILTER_RULES) ||
3835             (cmd == RAMROD_CMD_ID_ETH_MULTICAST_RULES) ||
3836             (cmd == RAMROD_CMD_ID_ETH_SET_MAC) ||
3837             (cmd == RAMROD_CMD_ID_ETH_RSS_UPDATE))
3838                 return true;
3839         else
3840                 return false;
3841 }
3842
3843 /**
3844  * bnx2x_sp_post - place a single command on an SP ring
3845  *
3846  * @bp:         driver handle
3847  * @command:    command to place (e.g. SETUP, FILTER_RULES, etc.)
3848  * @cid:        SW CID the command is related to
3849  * @data_hi:    command private data address (high 32 bits)
3850  * @data_lo:    command private data address (low 32 bits)
3851  * @cmd_type:   command type (e.g. NONE, ETH)
3852  *
3853  * SP data is handled as if it's always an address pair, thus data fields are
3854  * not swapped to little endian in upper functions. Instead this function swaps
3855  * data as if it's two u32 fields.
3856  */
3857 int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
3858                   u32 data_hi, u32 data_lo, int cmd_type)
3859 {
3860         struct eth_spe *spe;
3861         u16 type;
3862         bool common = bnx2x_is_contextless_ramrod(command, cmd_type);
3863
3864 #ifdef BNX2X_STOP_ON_ERROR
3865         if (unlikely(bp->panic)) {
3866                 BNX2X_ERR("Can't post SP when there is panic\n");
3867                 return -EIO;
3868         }
3869 #endif
3870
3871         spin_lock_bh(&bp->spq_lock);
3872
3873         if (common) {
3874                 if (!atomic_read(&bp->eq_spq_left)) {
3875                         BNX2X_ERR("BUG! EQ ring full!\n");
3876                         spin_unlock_bh(&bp->spq_lock);
3877                         bnx2x_panic();
3878                         return -EBUSY;
3879                 }
3880         } else if (!atomic_read(&bp->cq_spq_left)) {
3881                         BNX2X_ERR("BUG! SPQ ring full!\n");
3882                         spin_unlock_bh(&bp->spq_lock);
3883                         bnx2x_panic();
3884                         return -EBUSY;
3885         }
3886
3887         spe = bnx2x_sp_get_next(bp);
3888
3889         /* CID needs port number to be encoded int it */
3890         spe->hdr.conn_and_cmd_data =
3891                         cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
3892                                     HW_CID(bp, cid));
3893
3894         /* In some cases, type may already contain the func-id
3895          * mainly in SRIOV related use cases, so we add it here only
3896          * if it's not already set.
3897          */
3898         if (!(cmd_type & SPE_HDR_FUNCTION_ID)) {
3899                 type = (cmd_type << SPE_HDR_CONN_TYPE_SHIFT) &
3900                         SPE_HDR_CONN_TYPE;
3901                 type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
3902                          SPE_HDR_FUNCTION_ID);
3903         } else {
3904                 type = cmd_type;
3905         }
3906
3907         spe->hdr.type = cpu_to_le16(type);
3908
3909         spe->data.update_data_addr.hi = cpu_to_le32(data_hi);
3910         spe->data.update_data_addr.lo = cpu_to_le32(data_lo);
3911
3912         /*
3913          * It's ok if the actual decrement is issued towards the memory
3914          * somewhere between the spin_lock and spin_unlock. Thus no
3915          * more explicit memory barrier is needed.
3916          */
3917         if (common)
3918                 atomic_dec(&bp->eq_spq_left);
3919         else
3920                 atomic_dec(&bp->cq_spq_left);
3921
3922         DP(BNX2X_MSG_SP,
3923            "SPQE[%x] (%x:%x)  (cmd, common?) (%d,%d)  hw_cid %x  data (%x:%x) type(0x%x) left (CQ, EQ) (%x,%x)\n",
3924            bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping),
3925            (u32)(U64_LO(bp->spq_mapping) +
3926            (void *)bp->spq_prod_bd - (void *)bp->spq), command, common,
3927            HW_CID(bp, cid), data_hi, data_lo, type,
3928            atomic_read(&bp->cq_spq_left), atomic_read(&bp->eq_spq_left));
3929
3930         bnx2x_sp_prod_update(bp);
3931         spin_unlock_bh(&bp->spq_lock);
3932         return 0;
3933 }
3934
3935 /* acquire split MCP access lock register */
3936 static int bnx2x_acquire_alr(struct bnx2x *bp)
3937 {
3938         u32 j, val;
3939         int rc = 0;
3940
3941         might_sleep();
3942         for (j = 0; j < 1000; j++) {
3943                 REG_WR(bp, MCP_REG_MCPR_ACCESS_LOCK, MCPR_ACCESS_LOCK_LOCK);
3944                 val = REG_RD(bp, MCP_REG_MCPR_ACCESS_LOCK);
3945                 if (val & MCPR_ACCESS_LOCK_LOCK)
3946                         break;
3947
3948                 usleep_range(5000, 10000);
3949         }
3950         if (!(val & MCPR_ACCESS_LOCK_LOCK)) {
3951                 BNX2X_ERR("Cannot acquire MCP access lock register\n");
3952                 rc = -EBUSY;
3953         }
3954
3955         return rc;
3956 }
3957
3958 /* release split MCP access lock register */
3959 static void bnx2x_release_alr(struct bnx2x *bp)
3960 {
3961         REG_WR(bp, MCP_REG_MCPR_ACCESS_LOCK, 0);
3962 }
3963
3964 #define BNX2X_DEF_SB_ATT_IDX    0x0001
3965 #define BNX2X_DEF_SB_IDX        0x0002
3966
3967 static u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
3968 {
3969         struct host_sp_status_block *def_sb = bp->def_status_blk;
3970         u16 rc = 0;
3971
3972         barrier(); /* status block is written to by the chip */
3973         if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
3974                 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
3975                 rc |= BNX2X_DEF_SB_ATT_IDX;
3976         }
3977
3978         if (bp->def_idx != def_sb->sp_sb.running_index) {
3979                 bp->def_idx = def_sb->sp_sb.running_index;
3980                 rc |= BNX2X_DEF_SB_IDX;
3981         }
3982
3983         /* Do not reorder: indices reading should complete before handling */
3984         barrier();
3985         return rc;
3986 }
3987
3988 /*
3989  * slow path service functions
3990  */
3991
3992 static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
3993 {
3994         int port = BP_PORT(bp);
3995         u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
3996                               MISC_REG_AEU_MASK_ATTN_FUNC_0;
3997         u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
3998                                        NIG_REG_MASK_INTERRUPT_PORT0;
3999         u32 aeu_mask;
4000         u32 nig_mask = 0;
4001         u32 reg_addr;
4002
4003         if (bp->attn_state & asserted)
4004                 BNX2X_ERR("IGU ERROR\n");
4005
4006         bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
4007         aeu_mask = REG_RD(bp, aeu_addr);
4008
4009         DP(NETIF_MSG_HW, "aeu_mask %x  newly asserted %x\n",
4010            aeu_mask, asserted);
4011         aeu_mask &= ~(asserted & 0x3ff);
4012         DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
4013
4014         REG_WR(bp, aeu_addr, aeu_mask);
4015         bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
4016
4017         DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
4018         bp->attn_state |= asserted;
4019         DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
4020
4021         if (asserted & ATTN_HARD_WIRED_MASK) {
4022                 if (asserted & ATTN_NIG_FOR_FUNC) {
4023
4024                         bnx2x_acquire_phy_lock(bp);
4025
4026                         /* save nig interrupt mask */
4027                         nig_mask = REG_RD(bp, nig_int_mask_addr);
4028
4029                         /* If nig_mask is not set, no need to call the update
4030                          * function.
4031                          */
4032                         if (nig_mask) {
4033                                 REG_WR(bp, nig_int_mask_addr, 0);
4034
4035                                 bnx2x_link_attn(bp);
4036                         }
4037
4038                         /* handle unicore attn? */
4039                 }
4040                 if (asserted & ATTN_SW_TIMER_4_FUNC)
4041                         DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
4042
4043                 if (asserted & GPIO_2_FUNC)
4044                         DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
4045
4046                 if (asserted & GPIO_3_FUNC)
4047                         DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
4048
4049                 if (asserted & GPIO_4_FUNC)
4050                         DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
4051
4052                 if (port == 0) {
4053                         if (asserted & ATTN_GENERAL_ATTN_1) {
4054                                 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
4055                                 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
4056                         }
4057                         if (asserted & ATTN_GENERAL_ATTN_2) {
4058                                 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
4059                                 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
4060                         }
4061                         if (asserted & ATTN_GENERAL_ATTN_3) {
4062                                 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
4063                                 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
4064                         }
4065                 } else {
4066                         if (asserted & ATTN_GENERAL_ATTN_4) {
4067                                 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
4068                                 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
4069                         }
4070                         if (asserted & ATTN_GENERAL_ATTN_5) {
4071                                 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
4072                                 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
4073                         }
4074                         if (asserted & ATTN_GENERAL_ATTN_6) {
4075                                 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
4076                                 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
4077                         }
4078                 }
4079
4080         } /* if hardwired */
4081
4082         if (bp->common.int_block == INT_BLOCK_HC)
4083                 reg_addr = (HC_REG_COMMAND_REG + port*32 +
4084                             COMMAND_REG_ATTN_BITS_SET);
4085         else
4086                 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_SET_UPPER*8);
4087
4088         DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", asserted,
4089            (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
4090         REG_WR(bp, reg_addr, asserted);
4091
4092         /* now set back the mask */
4093         if (asserted & ATTN_NIG_FOR_FUNC) {
4094                 /* Verify that IGU ack through BAR was written before restoring
4095                  * NIG mask. This loop should exit after 2-3 iterations max.
4096                  */
4097                 if (bp->common.int_block != INT_BLOCK_HC) {
4098                         u32 cnt = 0, igu_acked;
4099                         do {
4100                                 igu_acked = REG_RD(bp,
4101                                                    IGU_REG_ATTENTION_ACK_BITS);
4102                         } while (((igu_acked & ATTN_NIG_FOR_FUNC) == 0) &&
4103                                  (++cnt < MAX_IGU_ATTN_ACK_TO));
4104                         if (!igu_acked)
4105                                 DP(NETIF_MSG_HW,
4106                                    "Failed to verify IGU ack on time\n");
4107                         barrier();
4108                 }
4109                 REG_WR(bp, nig_int_mask_addr, nig_mask);
4110                 bnx2x_release_phy_lock(bp);
4111         }
4112 }
4113
4114 static void bnx2x_fan_failure(struct bnx2x *bp)
4115 {
4116         int port = BP_PORT(bp);
4117         u32 ext_phy_config;
4118         /* mark the failure */
4119         ext_phy_config =
4120                 SHMEM_RD(bp,
4121                          dev_info.port_hw_config[port].external_phy_config);
4122
4123         ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
4124         ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
4125         SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
4126                  ext_phy_config);
4127
4128         /* log the failure */
4129         netdev_err(bp->dev, "Fan Failure on Network Controller has caused the driver to shutdown the card to prevent permanent damage.\n"
4130                             "Please contact OEM Support for assistance\n");
4131
4132         /* Schedule device reset (unload)
4133          * This is due to some boards consuming sufficient power when driver is
4134          * up to overheat if fan fails.
4135          */
4136         bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_FAN_FAILURE, 0);
4137 }
4138
4139 static void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
4140 {
4141         int port = BP_PORT(bp);
4142         int reg_offset;
4143         u32 val;
4144
4145         reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4146                              MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
4147
4148         if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
4149
4150                 val = REG_RD(bp, reg_offset);
4151                 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
4152                 REG_WR(bp, reg_offset, val);
4153
4154                 BNX2X_ERR("SPIO5 hw attention\n");
4155
4156                 /* Fan failure attention */
4157                 bnx2x_hw_reset_phy(&bp->link_params);
4158                 bnx2x_fan_failure(bp);
4159         }
4160
4161         if ((attn & bp->link_vars.aeu_int_mask) && bp->port.pmf) {
4162                 bnx2x_acquire_phy_lock(bp);
4163                 bnx2x_handle_module_detect_int(&bp->link_params);
4164                 bnx2x_release_phy_lock(bp);
4165         }
4166
4167         if (attn & HW_INTERRUT_ASSERT_SET_0) {
4168
4169                 val = REG_RD(bp, reg_offset);
4170                 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
4171                 REG_WR(bp, reg_offset, val);
4172
4173                 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
4174                           (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
4175                 bnx2x_panic();
4176         }
4177 }
4178
4179 static void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
4180 {
4181         u32 val;
4182
4183         if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
4184
4185                 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
4186                 BNX2X_ERR("DB hw attention 0x%x\n", val);
4187                 /* DORQ discard attention */
4188                 if (val & 0x2)
4189                         BNX2X_ERR("FATAL error from DORQ\n");
4190         }
4191
4192         if (attn & HW_INTERRUT_ASSERT_SET_1) {
4193
4194                 int port = BP_PORT(bp);
4195                 int reg_offset;
4196
4197                 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
4198                                      MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
4199
4200                 val = REG_RD(bp, reg_offset);
4201                 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
4202                 REG_WR(bp, reg_offset, val);
4203
4204                 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
4205                           (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
4206                 bnx2x_panic();
4207         }
4208 }
4209
4210 static void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
4211 {
4212         u32 val;
4213
4214         if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
4215
4216                 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
4217                 BNX2X_ERR("CFC hw attention 0x%x\n", val);
4218                 /* CFC error attention */
4219                 if (val & 0x2)
4220                         BNX2X_ERR("FATAL error from CFC\n");
4221         }
4222
4223         if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
4224                 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
4225                 BNX2X_ERR("PXP hw attention-0 0x%x\n", val);
4226                 /* RQ_USDMDP_FIFO_OVERFLOW */
4227                 if (val & 0x18000)
4228                         BNX2X_ERR("FATAL error from PXP\n");
4229
4230                 if (!CHIP_IS_E1x(bp)) {
4231                         val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_1);
4232                         BNX2X_ERR("PXP hw attention-1 0x%x\n", val);
4233                 }
4234         }
4235
4236         if (attn & HW_INTERRUT_ASSERT_SET_2) {
4237
4238                 int port = BP_PORT(bp);
4239                 int reg_offset;
4240
4241                 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
4242                                      MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
4243
4244                 val = REG_RD(bp, reg_offset);
4245                 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
4246                 REG_WR(bp, reg_offset, val);
4247
4248                 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
4249                           (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
4250                 bnx2x_panic();
4251         }
4252 }
4253
4254 static void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
4255 {
4256         u32 val;
4257
4258         if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
4259
4260                 if (attn & BNX2X_PMF_LINK_ASSERT) {
4261                         int func = BP_FUNC(bp);
4262
4263                         REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
4264                         bnx2x_read_mf_cfg(bp);
4265                         bp->mf_config[BP_VN(bp)] = MF_CFG_RD(bp,
4266                                         func_mf_config[BP_ABS_FUNC(bp)].config);
4267                         val = SHMEM_RD(bp,
4268                                        func_mb[BP_FW_MB_IDX(bp)].drv_status);
4269
4270                         if (val & (DRV_STATUS_DCC_EVENT_MASK |
4271                                    DRV_STATUS_OEM_EVENT_MASK))
4272                                 bnx2x_oem_event(bp,
4273                                         (val & (DRV_STATUS_DCC_EVENT_MASK |
4274                                                 DRV_STATUS_OEM_EVENT_MASK)));
4275
4276                         if (val & DRV_STATUS_SET_MF_BW)
4277                                 bnx2x_set_mf_bw(bp);
4278
4279                         if (val & DRV_STATUS_DRV_INFO_REQ)
4280                                 bnx2x_handle_drv_info_req(bp);
4281
4282                         if (val & DRV_STATUS_VF_DISABLED)
4283                                 bnx2x_schedule_iov_task(bp,
4284                                                         BNX2X_IOV_HANDLE_FLR);
4285
4286                         if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
4287                                 bnx2x_pmf_update(bp);
4288
4289                         if (bp->port.pmf &&
4290                             (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
4291                                 bp->dcbx_enabled > 0)
4292                                 /* start dcbx state machine */
4293                                 bnx2x_dcbx_set_params(bp,
4294                                         BNX2X_DCBX_STATE_NEG_RECEIVED);
4295                         if (val & DRV_STATUS_AFEX_EVENT_MASK)
4296                                 bnx2x_handle_afex_cmd(bp,
4297                                         val & DRV_STATUS_AFEX_EVENT_MASK);
4298                         if (val & DRV_STATUS_EEE_NEGOTIATION_RESULTS)
4299                                 bnx2x_handle_eee_event(bp);
4300
4301                         if (val & DRV_STATUS_OEM_UPDATE_SVID)
4302                                 bnx2x_handle_update_svid_cmd(bp);
4303
4304                         if (bp->link_vars.periodic_flags &
4305                             PERIODIC_FLAGS_LINK_EVENT) {
4306                                 /*  sync with link */
4307                                 bnx2x_acquire_phy_lock(bp);
4308                                 bp->link_vars.periodic_flags &=
4309                                         ~PERIODIC_FLAGS_LINK_EVENT;
4310                                 bnx2x_release_phy_lock(bp);
4311                                 if (IS_MF(bp))
4312                                         bnx2x_link_sync_notify(bp);
4313                                 bnx2x_link_report(bp);
4314                         }
4315                         /* Always call it here: bnx2x_link_report() will
4316                          * prevent the link indication duplication.
4317                          */
4318                         bnx2x__link_status_update(bp);
4319                 } else if (attn & BNX2X_MC_ASSERT_BITS) {
4320
4321                         BNX2X_ERR("MC assert!\n");
4322                         bnx2x_mc_assert(bp);
4323                         REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
4324                         REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
4325                         REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
4326                         REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
4327                         bnx2x_panic();
4328
4329                 } else if (attn & BNX2X_MCP_ASSERT) {
4330
4331                         BNX2X_ERR("MCP assert!\n");
4332                         REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
4333                         bnx2x_fw_dump(bp);
4334
4335                 } else
4336                         BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
4337         }
4338
4339         if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
4340                 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
4341                 if (attn & BNX2X_GRC_TIMEOUT) {
4342                         val = CHIP_IS_E1(bp) ? 0 :
4343                                         REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
4344                         BNX2X_ERR("GRC time-out 0x%08x\n", val);
4345                 }
4346                 if (attn & BNX2X_GRC_RSV) {
4347                         val = CHIP_IS_E1(bp) ? 0 :
4348                                         REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
4349                         BNX2X_ERR("GRC reserved 0x%08x\n", val);
4350                 }
4351                 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
4352         }
4353 }
4354
4355 /*
4356  * Bits map:
4357  * 0-7   - Engine0 load counter.
4358  * 8-15  - Engine1 load counter.
4359  * 16    - Engine0 RESET_IN_PROGRESS bit.
4360  * 17    - Engine1 RESET_IN_PROGRESS bit.
4361  * 18    - Engine0 ONE_IS_LOADED. Set when there is at least one active function
4362  *         on the engine
4363  * 19    - Engine1 ONE_IS_LOADED.
4364  * 20    - Chip reset flow bit. When set none-leader must wait for both engines
4365  *         leader to complete (check for both RESET_IN_PROGRESS bits and not for
4366  *         just the one belonging to its engine).
4367  *
4368  */
4369 #define BNX2X_RECOVERY_GLOB_REG         MISC_REG_GENERIC_POR_1
4370
4371 #define BNX2X_PATH0_LOAD_CNT_MASK       0x000000ff
4372 #define BNX2X_PATH0_LOAD_CNT_SHIFT      0
4373 #define BNX2X_PATH1_LOAD_CNT_MASK       0x0000ff00
4374 #define BNX2X_PATH1_LOAD_CNT_SHIFT      8
4375 #define BNX2X_PATH0_RST_IN_PROG_BIT     0x00010000
4376 #define BNX2X_PATH1_RST_IN_PROG_BIT     0x00020000
4377 #define BNX2X_GLOBAL_RESET_BIT          0x00040000
4378
4379 /*
4380  * Set the GLOBAL_RESET bit.
4381  *
4382  * Should be run under rtnl lock
4383  */
4384 void bnx2x_set_reset_global(struct bnx2x *bp)
4385 {
4386         u32 val;
4387         bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4388         val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
4389         REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val | BNX2X_GLOBAL_RESET_BIT);
4390         bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4391 }
4392
4393 /*
4394  * Clear the GLOBAL_RESET bit.
4395  *
4396  * Should be run under rtnl lock
4397  */
4398 static void bnx2x_clear_reset_global(struct bnx2x *bp)
4399 {
4400         u32 val;
4401         bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4402         val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
4403         REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val & (~BNX2X_GLOBAL_RESET_BIT));
4404         bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4405 }
4406
4407 /*
4408  * Checks the GLOBAL_RESET bit.
4409  *
4410  * should be run under rtnl lock
4411  */
4412 static bool bnx2x_reset_is_global(struct bnx2x *bp)
4413 {
4414         u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
4415
4416         DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val);
4417         return (val & BNX2X_GLOBAL_RESET_BIT) ? true : false;
4418 }
4419
4420 /*
4421  * Clear RESET_IN_PROGRESS bit for the current engine.
4422  *
4423  * Should be run under rtnl lock
4424  */
4425 static void bnx2x_set_reset_done(struct bnx2x *bp)
4426 {
4427         u32 val;
4428         u32 bit = BP_PATH(bp) ?
4429                 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
4430         bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4431         val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
4432
4433         /* Clear the bit */
4434         val &= ~bit;
4435         REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
4436
4437         bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4438 }
4439
4440 /*
4441  * Set RESET_IN_PROGRESS for the current engine.
4442  *
4443  * should be run under rtnl lock
4444  */
4445 void bnx2x_set_reset_in_progress(struct bnx2x *bp)
4446 {
4447         u32 val;
4448         u32 bit = BP_PATH(bp) ?
4449                 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
4450         bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4451         val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
4452
4453         /* Set the bit */
4454         val |= bit;
4455         REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
4456         bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4457 }
4458
4459 /*
4460  * Checks the RESET_IN_PROGRESS bit for the given engine.
4461  * should be run under rtnl lock
4462  */
4463 bool bnx2x_reset_is_done(struct bnx2x *bp, int engine)
4464 {
4465         u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
4466         u32 bit = engine ?
4467                 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
4468
4469         /* return false if bit is set */
4470         return (val & bit) ? false : true;
4471 }
4472
4473 /*
4474  * set pf load for the current pf.
4475  *
4476  * should be run under rtnl lock
4477  */
4478 void bnx2x_set_pf_load(struct bnx2x *bp)
4479 {
4480         u32 val1, val;
4481         u32 mask = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
4482                              BNX2X_PATH0_LOAD_CNT_MASK;
4483         u32 shift = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_SHIFT :
4484                              BNX2X_PATH0_LOAD_CNT_SHIFT;
4485
4486         bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4487         val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
4488
4489         DP(NETIF_MSG_IFUP, "Old GEN_REG_VAL=0x%08x\n", val);
4490
4491         /* get the current counter value */
4492         val1 = (val & mask) >> shift;
4493
4494         /* set bit of that PF */
4495         val1 |= (1 << bp->pf_num);
4496
4497         /* clear the old value */
4498         val &= ~mask;
4499
4500         /* set the new one */
4501         val |= ((val1 << shift) & mask);
4502
4503         REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
4504         bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4505 }
4506
4507 /**
4508  * bnx2x_clear_pf_load - clear pf load mark
4509  *
4510  * @bp:         driver handle
4511  *
4512  * Should be run under rtnl lock.
4513  * Decrements the load counter for the current engine. Returns
4514  * whether other functions are still loaded
4515  */
4516 bool bnx2x_clear_pf_load(struct bnx2x *bp)
4517 {
4518         u32 val1, val;
4519         u32 mask = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
4520                              BNX2X_PATH0_LOAD_CNT_MASK;
4521         u32 shift = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_SHIFT :
4522                              BNX2X_PATH0_LOAD_CNT_SHIFT;
4523
4524         bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4525         val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
4526         DP(NETIF_MSG_IFDOWN, "Old GEN_REG_VAL=0x%08x\n", val);
4527
4528         /* get the current counter value */
4529         val1 = (val & mask) >> shift;
4530
4531         /* clear bit of that PF */
4532         val1 &= ~(1 << bp->pf_num);
4533
4534         /* clear the old value */
4535         val &= ~mask;
4536
4537         /* set the new one */
4538         val |= ((val1 << shift) & mask);
4539
4540         REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
4541         bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
4542         return val1 != 0;
4543 }
4544
4545 /*
4546  * Read the load status for the current engine.
4547  *
4548  * should be run under rtnl lock
4549  */
4550 static bool bnx2x_get_load_status(struct bnx2x *bp, int engine)
4551 {
4552         u32 mask = (engine ? BNX2X_PATH1_LOAD_CNT_MASK :
4553                              BNX2X_PATH0_LOAD_CNT_MASK);
4554         u32 shift = (engine ? BNX2X_PATH1_LOAD_CNT_SHIFT :
4555                              BNX2X_PATH0_LOAD_CNT_SHIFT);
4556         u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
4557
4558         DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "GLOB_REG=0x%08x\n", val);
4559
4560         val = (val & mask) >> shift;
4561
4562         DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "load mask for engine %d = 0x%x\n",
4563            engine, val);
4564
4565         return val != 0;
4566 }
4567
4568 static void _print_parity(struct bnx2x *bp, u32 reg)
4569 {
4570         pr_cont(" [0x%08x] ", REG_RD(bp, reg));
4571 }
4572
4573 static void _print_next_block(int idx, const char *blk)
4574 {
4575         pr_cont("%s%s", idx ? ", " : "", blk);
4576 }
4577
4578 static bool bnx2x_check_blocks_with_parity0(struct bnx2x *bp, u32 sig,
4579                                             int *par_num, bool print)
4580 {
4581         u32 cur_bit;
4582         bool res;
4583         int i;
4584
4585         res = false;
4586
4587         for (i = 0; sig; i++) {
4588                 cur_bit = (0x1UL << i);
4589                 if (sig & cur_bit) {
4590                         res |= true; /* Each bit is real error! */
4591
4592                         if (print) {
4593                                 switch (cur_bit) {
4594                                 case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR:
4595                                         _print_next_block((*par_num)++, "BRB");
4596                                         _print_parity(bp,
4597                                                       BRB1_REG_BRB1_PRTY_STS);
4598                                         break;
4599                                 case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR:
4600                                         _print_next_block((*par_num)++,
4601                                                           "PARSER");
4602                                         _print_parity(bp, PRS_REG_PRS_PRTY_STS);
4603                                         break;
4604                                 case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR:
4605                                         _print_next_block((*par_num)++, "TSDM");
4606                                         _print_parity(bp,
4607                                                       TSDM_REG_TSDM_PRTY_STS);
4608                                         break;
4609                                 case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR:
4610                                         _print_next_block((*par_num)++,
4611                                                           "SEARCHER");
4612                                         _print_parity(bp, SRC_REG_SRC_PRTY_STS);
4613                                         break;
4614                                 case AEU_INPUTS_ATTN_BITS_TCM_PARITY_ERROR:
4615                                         _print_next_block((*par_num)++, "TCM");
4616                                         _print_parity(bp, TCM_REG_TCM_PRTY_STS);
4617                                         break;
4618                                 case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR:
4619                                         _print_next_block((*par_num)++,
4620                                                           "TSEMI");
4621                                         _print_parity(bp,
4622                                                       TSEM_REG_TSEM_PRTY_STS_0);
4623                                         _print_parity(bp,
4624                                                       TSEM_REG_TSEM_PRTY_STS_1);
4625                                         break;
4626                                 case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR:
4627                                         _print_next_block((*par_num)++, "XPB");
4628                                         _print_parity(bp, GRCBASE_XPB +
4629                                                           PB_REG_PB_PRTY_STS);
4630                                         break;
4631                                 }
4632                         }
4633
4634                         /* Clear the bit */
4635                         sig &= ~cur_bit;
4636                 }
4637         }
4638
4639         return res;
4640 }
4641
4642 static bool bnx2x_check_blocks_with_parity1(struct bnx2x *bp, u32 sig,
4643                                             int *par_num, bool *global,
4644                                             bool print)
4645 {
4646         u32 cur_bit;
4647         bool res;
4648         int i;
4649
4650         res = false;
4651
4652         for (i = 0; sig; i++) {
4653                 cur_bit = (0x1UL << i);
4654                 if (sig & cur_bit) {
4655                         res |= true; /* Each bit is real error! */
4656                         switch (cur_bit) {
4657                         case AEU_INPUTS_ATTN_BITS_PBF_PARITY_ERROR:
4658                                 if (print) {
4659                                         _print_next_block((*par_num)++, "PBF");
4660                                         _print_parity(bp, PBF_REG_PBF_PRTY_STS);
4661                                 }
4662                                 break;
4663                         case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR:
4664                                 if (print) {
4665                                         _print_next_block((*par_num)++, "QM");
4666                                         _print_parity(bp, QM_REG_QM_PRTY_STS);
4667                                 }
4668                                 break;
4669                         case AEU_INPUTS_ATTN_BITS_TIMERS_PARITY_ERROR:
4670                                 if (print) {
4671                                         _print_next_block((*par_num)++, "TM");
4672                                         _print_parity(bp, TM_REG_TM_PRTY_STS);
4673                                 }
4674                                 break;
4675                         case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR:
4676                                 if (print) {
4677                                         _print_next_block((*par_num)++, "XSDM");
4678                                         _print_parity(bp,
4679                                                       XSDM_REG_XSDM_PRTY_STS);
4680                                 }
4681                                 break;
4682                         case AEU_INPUTS_ATTN_BITS_XCM_PARITY_ERROR:
4683                                 if (print) {
4684                                         _print_next_block((*par_num)++, "XCM");
4685                                         _print_parity(bp, XCM_REG_XCM_PRTY_STS);
4686                                 }
4687                                 break;
4688                         case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR:
4689                                 if (print) {
4690                                         _print_next_block((*par_num)++,
4691                                                           "XSEMI");
4692                                         _print_parity(bp,
4693                                                       XSEM_REG_XSEM_PRTY_STS_0);
4694                                         _print_parity(bp,
4695                                                       XSEM_REG_XSEM_PRTY_STS_1);
4696                                 }
4697                                 break;
4698                         case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR:
4699                                 if (print) {
4700                                         _print_next_block((*par_num)++,
4701                                                           "DOORBELLQ");
4702                                         _print_parity(bp,
4703                                                       DORQ_REG_DORQ_PRTY_STS);
4704                                 }
4705                                 break;
4706                         case AEU_INPUTS_ATTN_BITS_NIG_PARITY_ERROR:
4707                                 if (print) {
4708                                         _print_next_block((*par_num)++, "NIG");
4709                                         if (CHIP_IS_E1x(bp)) {
4710                                                 _print_parity(bp,
4711                                                         NIG_REG_NIG_PRTY_STS);
4712                                         } else {
4713                                                 _print_parity(bp,
4714                                                         NIG_REG_NIG_PRTY_STS_0);
4715                                                 _print_parity(bp,
4716                                                         NIG_REG_NIG_PRTY_STS_1);
4717                                         }
4718                                 }
4719                                 break;
4720                         case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR:
4721                                 if (print)
4722                                         _print_next_block((*par_num)++,
4723                                                           "VAUX PCI CORE");
4724                                 *global = true;
4725                                 break;
4726                         case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR:
4727                                 if (print) {
4728                                         _print_next_block((*par_num)++,
4729                                                           "DEBUG");
4730                                         _print_parity(bp, DBG_REG_DBG_PRTY_STS);
4731                                 }
4732                                 break;
4733                         case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR:
4734                                 if (print) {
4735                                         _print_next_block((*par_num)++, "USDM");
4736                                         _print_parity(bp,
4737                                                       USDM_REG_USDM_PRTY_STS);
4738                                 }
4739                                 break;
4740                         case AEU_INPUTS_ATTN_BITS_UCM_PARITY_ERROR:
4741                                 if (print) {
4742                                         _print_next_block((*par_num)++, "UCM");
4743                                         _print_parity(bp, UCM_REG_UCM_PRTY_STS);
4744                                 }
4745                                 break;
4746                         case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR:
4747                                 if (print) {
4748                                         _print_next_block((*par_num)++,
4749                                                           "USEMI");
4750                                         _print_parity(bp,
4751                                                       USEM_REG_USEM_PRTY_STS_0);
4752                                         _print_parity(bp,
4753                                                       USEM_REG_USEM_PRTY_STS_1);
4754                                 }
4755                                 break;
4756                         case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR:
4757                                 if (print) {
4758                                         _print_next_block((*par_num)++, "UPB");
4759                                         _print_parity(bp, GRCBASE_UPB +
4760                                                           PB_REG_PB_PRTY_STS);
4761                                 }
4762                                 break;
4763                         case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR:
4764                                 if (print) {
4765                                         _print_next_block((*par_num)++, "CSDM");
4766                                         _print_parity(bp,
4767                                                       CSDM_REG_CSDM_PRTY_STS);
4768                                 }
4769                                 break;
4770                         case AEU_INPUTS_ATTN_BITS_CCM_PARITY_ERROR:
4771                                 if (print) {
4772                                         _print_next_block((*par_num)++, "CCM");
4773                                         _print_parity(bp, CCM_REG_CCM_PRTY_STS);
4774                                 }
4775                                 break;
4776                         }
4777
4778                         /* Clear the bit */
4779                         sig &= ~cur_bit;
4780                 }
4781         }
4782
4783         return res;
4784 }
4785
4786 static bool bnx2x_check_blocks_with_parity2(struct bnx2x *bp, u32 sig,
4787                                             int *par_num, bool print)
4788 {
4789         u32 cur_bit;
4790         bool res;
4791         int i;
4792
4793         res = false;
4794
4795         for (i = 0; sig; i++) {
4796                 cur_bit = (0x1UL << i);
4797                 if (sig & cur_bit) {
4798                         res = true; /* Each bit is real error! */
4799                         if (print) {
4800                                 switch (cur_bit) {
4801                                 case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR:
4802                                         _print_next_block((*par_num)++,
4803                                                           "CSEMI");
4804                                         _print_parity(bp,
4805                                                       CSEM_REG_CSEM_PRTY_STS_0);
4806                                         _print_parity(bp,
4807                                                       CSEM_REG_CSEM_PRTY_STS_1);
4808                                         break;
4809                                 case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR:
4810                                         _print_next_block((*par_num)++, "PXP");
4811                                         _print_parity(bp, PXP_REG_PXP_PRTY_STS);
4812                                         _print_parity(bp,
4813                                                       PXP2_REG_PXP2_PRTY_STS_0);
4814                                         _print_parity(bp,
4815                                                       PXP2_REG_PXP2_PRTY_STS_1);
4816                                         break;
4817                                 case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR:
4818                                         _print_next_block((*par_num)++,
4819                                                           "PXPPCICLOCKCLIENT");
4820                                         break;
4821                                 case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR:
4822                                         _print_next_block((*par_num)++, "CFC");
4823                                         _print_parity(bp,
4824                                                       CFC_REG_CFC_PRTY_STS);
4825                                         break;
4826                                 case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR:
4827                                         _print_next_block((*par_num)++, "CDU");
4828                                         _print_parity(bp, CDU_REG_CDU_PRTY_STS);
4829                                         break;
4830                                 case AEU_INPUTS_ATTN_BITS_DMAE_PARITY_ERROR:
4831                                         _print_next_block((*par_num)++, "DMAE");
4832                                         _print_parity(bp,
4833                                                       DMAE_REG_DMAE_PRTY_STS);
4834                                         break;
4835                                 case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR:
4836                                         _print_next_block((*par_num)++, "IGU");
4837                                         if (CHIP_IS_E1x(bp))
4838                                                 _print_parity(bp,
4839                                                         HC_REG_HC_PRTY_STS);
4840                                         else
4841                                                 _print_parity(bp,
4842                                                         IGU_REG_IGU_PRTY_STS);
4843                                         break;
4844                                 case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR:
4845                                         _print_next_block((*par_num)++, "MISC");
4846                                         _print_parity(bp,
4847                                                       MISC_REG_MISC_PRTY_STS);
4848                                         break;
4849                                 }
4850                         }
4851
4852                         /* Clear the bit */
4853                         sig &= ~cur_bit;
4854                 }
4855         }
4856
4857         return res;
4858 }
4859
4860 static bool bnx2x_check_blocks_with_parity3(struct bnx2x *bp, u32 sig,
4861                                             int *par_num, bool *global,
4862                                             bool print)
4863 {
4864         bool res = false;
4865         u32 cur_bit;
4866         int i;
4867
4868         for (i = 0; sig; i++) {
4869                 cur_bit = (0x1UL << i);
4870                 if (sig & cur_bit) {
4871                         switch (cur_bit) {
4872                         case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY:
4873                                 if (print)
4874                                         _print_next_block((*par_num)++,
4875                                                           "MCP ROM");
4876                                 *global = true;
4877                                 res = true;
4878                                 break;
4879                         case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY:
4880                                 if (print)
4881                                         _print_next_block((*par_num)++,
4882                                                           "MCP UMP RX");
4883                                 *global = true;
4884                                 res = true;
4885                                 break;
4886                         case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY:
4887                                 if (print)
4888                                         _print_next_block((*par_num)++,
4889                                                           "MCP UMP TX");
4890                                 *global = true;
4891                                 res = true;
4892                                 break;
4893                         case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
4894                                 (*par_num)++;
4895                                 /* clear latched SCPAD PATIRY from MCP */
4896                                 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL,
4897                                        1UL << 10);
4898                                 break;
4899                         }
4900
4901                         /* Clear the bit */
4902                         sig &= ~cur_bit;
4903                 }
4904         }
4905
4906         return res;
4907 }
4908
4909 static bool bnx2x_check_blocks_with_parity4(struct bnx2x *bp, u32 sig,
4910                                             int *par_num, bool print)
4911 {
4912         u32 cur_bit;
4913         bool res;
4914         int i;
4915
4916         res = false;
4917
4918         for (i = 0; sig; i++) {
4919                 cur_bit = (0x1UL << i);
4920                 if (sig & cur_bit) {
4921                         res = true; /* Each bit is real error! */
4922                         if (print) {
4923                                 switch (cur_bit) {
4924                                 case AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR:
4925                                         _print_next_block((*par_num)++,
4926                                                           "PGLUE_B");
4927                                         _print_parity(bp,
4928                                                       PGLUE_B_REG_PGLUE_B_PRTY_STS);
4929                                         break;
4930                                 case AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR:
4931                                         _print_next_block((*par_num)++, "ATC");
4932                                         _print_parity(bp,
4933                                                       ATC_REG_ATC_PRTY_STS);
4934                                         break;
4935                                 }
4936                         }
4937                         /* Clear the bit */
4938                         sig &= ~cur_bit;
4939                 }
4940         }
4941
4942         return res;
4943 }
4944
4945 static bool bnx2x_parity_attn(struct bnx2x *bp, bool *global, bool print,
4946                               u32 *sig)
4947 {
4948         bool res = false;
4949
4950         if ((sig[0] & HW_PRTY_ASSERT_SET_0) ||
4951             (sig[1] & HW_PRTY_ASSERT_SET_1) ||
4952             (sig[2] & HW_PRTY_ASSERT_SET_2) ||
4953             (sig[3] & HW_PRTY_ASSERT_SET_3) ||
4954             (sig[4] & HW_PRTY_ASSERT_SET_4)) {
4955                 int par_num = 0;
4956
4957                 DP(NETIF_MSG_HW, "Was parity error: HW block parity attention:\n"
4958                                  "[0]:0x%08x [1]:0x%08x [2]:0x%08x [3]:0x%08x [4]:0x%08x\n",
4959                           sig[0] & HW_PRTY_ASSERT_SET_0,
4960                           sig[1] & HW_PRTY_ASSERT_SET_1,
4961                           sig[2] & HW_PRTY_ASSERT_SET_2,
4962                           sig[3] & HW_PRTY_ASSERT_SET_3,
4963                           sig[4] & HW_PRTY_ASSERT_SET_4);
4964                 if (print) {
4965                         if (((sig[0] & HW_PRTY_ASSERT_SET_0) ||
4966                              (sig[1] & HW_PRTY_ASSERT_SET_1) ||
4967                              (sig[2] & HW_PRTY_ASSERT_SET_2) ||
4968                              (sig[4] & HW_PRTY_ASSERT_SET_4)) ||
4969                              (sig[3] & HW_PRTY_ASSERT_SET_3_WITHOUT_SCPAD)) {
4970                                 netdev_err(bp->dev,
4971                                            "Parity errors detected in blocks: ");
4972                         } else {
4973                                 print = false;
4974                         }
4975                 }
4976                 res |= bnx2x_check_blocks_with_parity0(bp,
4977                         sig[0] & HW_PRTY_ASSERT_SET_0, &par_num, print);
4978                 res |= bnx2x_check_blocks_with_parity1(bp,
4979                         sig[1] & HW_PRTY_ASSERT_SET_1, &par_num, global, print);
4980                 res |= bnx2x_check_blocks_with_parity2(bp,
4981                         sig[2] & HW_PRTY_ASSERT_SET_2, &par_num, print);
4982                 res |= bnx2x_check_blocks_with_parity3(bp,
4983                         sig[3] & HW_PRTY_ASSERT_SET_3, &par_num, global, print);
4984                 res |= bnx2x_check_blocks_with_parity4(bp,
4985                         sig[4] & HW_PRTY_ASSERT_SET_4, &par_num, print);
4986
4987                 if (print)
4988                         pr_cont("\n");
4989         }
4990
4991         return res;
4992 }
4993
4994 /**
4995  * bnx2x_chk_parity_attn - checks for parity attentions.
4996  *
4997  * @bp:         driver handle
4998  * @global:     true if there was a global attention
4999  * @print:      show parity attention in syslog
5000  */
5001 bool bnx2x_chk_parity_attn(struct bnx2x *bp, bool *global, bool print)
5002 {
5003         struct attn_route attn = { {0} };
5004         int port = BP_PORT(bp);
5005
5006         attn.sig[0] = REG_RD(bp,
5007                 MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 +
5008                              port*4);
5009         attn.sig[1] = REG_RD(bp,
5010                 MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 +
5011                              port*4);
5012         attn.sig[2] = REG_RD(bp,
5013                 MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 +
5014                              port*4);
5015         attn.sig[3] = REG_RD(bp,
5016                 MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
5017                              port*4);
5018         /* Since MCP attentions can't be disabled inside the block, we need to
5019          * read AEU registers to see whether they're currently disabled
5020          */
5021         attn.sig[3] &= ((REG_RD(bp,
5022                                 !port ? MISC_REG_AEU_ENABLE4_FUNC_0_OUT_0
5023                                       : MISC_REG_AEU_ENABLE4_FUNC_1_OUT_0) &
5024                          MISC_AEU_ENABLE_MCP_PRTY_BITS) |
5025                         ~MISC_AEU_ENABLE_MCP_PRTY_BITS);
5026
5027         if (!CHIP_IS_E1x(bp))
5028                 attn.sig[4] = REG_RD(bp,
5029                         MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 +
5030                                      port*4);
5031
5032         return bnx2x_parity_attn(bp, global, print, attn.sig);
5033 }
5034
5035 static void bnx2x_attn_int_deasserted4(struct bnx2x *bp, u32 attn)
5036 {
5037         u32 val;
5038         if (attn & AEU_INPUTS_ATTN_BITS_PGLUE_HW_INTERRUPT) {
5039
5040                 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS_CLR);
5041                 BNX2X_ERR("PGLUE hw attention 0x%x\n", val);
5042                 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR)
5043                         BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR\n");
5044                 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR)
5045                         BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR\n");
5046                 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN)
5047                         BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN\n");
5048                 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN)
5049                         BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN\n");
5050                 if (val &
5051                     PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN)
5052                         BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN\n");
5053                 if (val &
5054                     PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN)
5055                         BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN\n");
5056                 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN)
5057                         BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN\n");
5058                 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN)
5059                         BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN\n");
5060                 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW)
5061                         BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW\n");
5062         }
5063         if (attn & AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT) {
5064                 val = REG_RD(bp, ATC_REG_ATC_INT_STS_CLR);
5065                 BNX2X_ERR("ATC hw attention 0x%x\n", val);
5066                 if (val & ATC_ATC_INT_STS_REG_ADDRESS_ERROR)
5067                         BNX2X_ERR("ATC_ATC_INT_STS_REG_ADDRESS_ERROR\n");
5068                 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND)
5069                         BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND\n");
5070                 if (val & ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS)
5071                         BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS\n");
5072                 if (val & ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT)
5073                         BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT\n");
5074                 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR)
5075                         BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR\n");
5076                 if (val & ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU)
5077                         BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU\n");
5078         }
5079
5080         if (attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
5081                     AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)) {
5082                 BNX2X_ERR("FATAL parity attention set4 0x%x\n",
5083                 (u32)(attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
5084                     AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)));
5085         }
5086 }
5087
5088 static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
5089 {
5090         struct attn_route attn, *group_mask;
5091         int port = BP_PORT(bp);
5092         int index;
5093         u32 reg_addr;
5094         u32 val;
5095         u32 aeu_mask;
5096         bool global = false;
5097
5098         /* need to take HW lock because MCP or other port might also
5099            try to handle this event */
5100         bnx2x_acquire_alr(bp);
5101
5102         if (bnx2x_chk_parity_attn(bp, &global, true)) {
5103 #ifndef BNX2X_STOP_ON_ERROR
5104                 bp->recovery_state = BNX2X_RECOVERY_INIT;
5105                 schedule_delayed_work(&bp->sp_rtnl_task, 0);
5106                 /* Disable HW interrupts */
5107                 bnx2x_int_disable(bp);
5108                 /* In case of parity errors don't handle attentions so that
5109                  * other function would "see" parity errors.
5110                  */
5111 #else
5112                 bnx2x_panic();
5113 #endif
5114                 bnx2x_release_alr(bp);
5115                 return;
5116         }
5117
5118         attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
5119         attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
5120         attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
5121         attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
5122         if (!CHIP_IS_E1x(bp))
5123                 attn.sig[4] =
5124                       REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 + port*4);
5125         else
5126                 attn.sig[4] = 0;
5127
5128         DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x %08x\n",
5129            attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3], attn.sig[4]);
5130
5131         for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
5132                 if (deasserted & (1 << index)) {
5133                         group_mask = &bp->attn_group[index];
5134
5135                         DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x %08x\n",
5136                            index,
5137                            group_mask->sig[0], group_mask->sig[1],
5138                            group_mask->sig[2], group_mask->sig[3],
5139                            group_mask->sig[4]);
5140
5141                         bnx2x_attn_int_deasserted4(bp,
5142                                         attn.sig[4] & group_mask->sig[4]);
5143                         bnx2x_attn_int_deasserted3(bp,
5144                                         attn.sig[3] & group_mask->sig[3]);
5145                         bnx2x_attn_int_deasserted1(bp,
5146                                         attn.sig[1] & group_mask->sig[1]);
5147                         bnx2x_attn_int_deasserted2(bp,
5148                                         attn.sig[2] & group_mask->sig[2]);
5149                         bnx2x_attn_int_deasserted0(bp,
5150                                         attn.sig[0] & group_mask->sig[0]);
5151                 }
5152         }
5153
5154         bnx2x_release_alr(bp);
5155
5156         if (bp->common.int_block == INT_BLOCK_HC)
5157                 reg_addr = (HC_REG_COMMAND_REG + port*32 +
5158                             COMMAND_REG_ATTN_BITS_CLR);
5159         else
5160                 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_CLR_UPPER*8);
5161
5162         val = ~deasserted;
5163         DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", val,
5164            (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
5165         REG_WR(bp, reg_addr, val);
5166
5167         if (~bp->attn_state & deasserted)
5168                 BNX2X_ERR("IGU ERROR\n");
5169
5170         reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
5171                           MISC_REG_AEU_MASK_ATTN_FUNC_0;
5172
5173         bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
5174         aeu_mask = REG_RD(bp, reg_addr);
5175
5176         DP(NETIF_MSG_HW, "aeu_mask %x  newly deasserted %x\n",
5177            aeu_mask, deasserted);
5178         aeu_mask |= (deasserted & 0x3ff);
5179         DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
5180
5181         REG_WR(bp, reg_addr, aeu_mask);
5182         bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
5183
5184         DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
5185         bp->attn_state &= ~deasserted;
5186         DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
5187 }
5188
5189 static void bnx2x_attn_int(struct bnx2x *bp)
5190 {
5191         /* read local copy of bits */
5192         u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
5193                                                                 attn_bits);
5194         u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
5195                                                                 attn_bits_ack);
5196         u32 attn_state = bp->attn_state;
5197
5198         /* look for changed bits */
5199         u32 asserted   =  attn_bits & ~attn_ack & ~attn_state;
5200         u32 deasserted = ~attn_bits &  attn_ack &  attn_state;
5201
5202         DP(NETIF_MSG_HW,
5203            "attn_bits %x  attn_ack %x  asserted %x  deasserted %x\n",
5204            attn_bits, attn_ack, asserted, deasserted);
5205
5206         if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
5207                 BNX2X_ERR("BAD attention state\n");
5208
5209         /* handle bits that were raised */
5210         if (asserted)
5211                 bnx2x_attn_int_asserted(bp, asserted);
5212
5213         if (deasserted)
5214                 bnx2x_attn_int_deasserted(bp, deasserted);
5215 }
5216
5217 void bnx2x_igu_ack_sb(struct bnx2x *bp, u8 igu_sb_id, u8 segment,
5218                       u16 index, u8 op, u8 update)
5219 {
5220         u32 igu_addr = bp->igu_base_addr;
5221         igu_addr += (IGU_CMD_INT_ACK_BASE + igu_sb_id)*8;
5222         bnx2x_igu_ack_sb_gen(bp, igu_sb_id, segment, index, op, update,
5223                              igu_addr);
5224 }
5225
5226 static void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
5227 {
5228         /* No memory barriers */
5229         storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
5230         mmiowb(); /* keep prod updates ordered */
5231 }
5232
5233 static int  bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,
5234                                       union event_ring_elem *elem)
5235 {
5236         u8 err = elem->message.error;
5237
5238         if (!bp->cnic_eth_dev.starting_cid  ||
5239             (cid < bp->cnic_eth_dev.starting_cid &&
5240             cid != bp->cnic_eth_dev.iscsi_l2_cid))
5241                 return 1;
5242
5243         DP(BNX2X_MSG_SP, "got delete ramrod for CNIC CID %d\n", cid);
5244
5245         if (unlikely(err)) {
5246
5247                 BNX2X_ERR("got delete ramrod for CNIC CID %d with error!\n",
5248                           cid);
5249                 bnx2x_panic_dump(bp, false);
5250         }
5251         bnx2x_cnic_cfc_comp(bp, cid, err);
5252         return 0;
5253 }
5254
5255 static void bnx2x_handle_mcast_eqe(struct bnx2x *bp)
5256 {
5257         struct bnx2x_mcast_ramrod_params rparam;
5258         int rc;
5259
5260         memset(&rparam, 0, sizeof(rparam));
5261
5262         rparam.mcast_obj = &bp->mcast_obj;
5263
5264         netif_addr_lock_bh(bp->dev);
5265
5266         /* Clear pending state for the last command */
5267         bp->mcast_obj.raw.clear_pending(&bp->mcast_obj.raw);
5268
5269         /* If there are pending mcast commands - send them */
5270         if (bp->mcast_obj.check_pending(&bp->mcast_obj)) {
5271                 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_CONT);
5272                 if (rc < 0)
5273                         BNX2X_ERR("Failed to send pending mcast commands: %d\n",
5274                                   rc);
5275         }
5276
5277         netif_addr_unlock_bh(bp->dev);
5278 }
5279
5280 static void bnx2x_handle_classification_eqe(struct bnx2x *bp,
5281                                             union event_ring_elem *elem)
5282 {
5283         unsigned long ramrod_flags = 0;
5284         int rc = 0;
5285         u32 cid = elem->message.data.eth_event.echo & BNX2X_SWCID_MASK;
5286         struct bnx2x_vlan_mac_obj *vlan_mac_obj;
5287
5288         /* Always push next commands out, don't wait here */
5289         __set_bit(RAMROD_CONT, &ramrod_flags);
5290
5291         switch (le32_to_cpu((__force __le32)elem->message.data.eth_event.echo)
5292                             >> BNX2X_SWCID_SHIFT) {
5293         case BNX2X_FILTER_MAC_PENDING:
5294                 DP(BNX2X_MSG_SP, "Got SETUP_MAC completions\n");
5295                 if (CNIC_LOADED(bp) && (cid == BNX2X_ISCSI_ETH_CID(bp)))
5296                         vlan_mac_obj = &bp->iscsi_l2_mac_obj;
5297                 else
5298                         vlan_mac_obj = &bp->sp_objs[cid].mac_obj;
5299
5300                 break;
5301         case BNX2X_FILTER_VLAN_PENDING:
5302                 DP(BNX2X_MSG_SP, "Got SETUP_VLAN completions\n");
5303                 vlan_mac_obj = &bp->sp_objs[cid].vlan_obj;
5304                 break;
5305         case BNX2X_FILTER_MCAST_PENDING:
5306                 DP(BNX2X_MSG_SP, "Got SETUP_MCAST completions\n");
5307                 /* This is only relevant for 57710 where multicast MACs are
5308                  * configured as unicast MACs using the same ramrod.
5309                  */
5310                 bnx2x_handle_mcast_eqe(bp);
5311                 return;
5312         default:
5313                 BNX2X_ERR("Unsupported classification command: %d\n",
5314                           elem->message.data.eth_event.echo);
5315                 return;
5316         }
5317
5318         rc = vlan_mac_obj->complete(bp, vlan_mac_obj, elem, &ramrod_flags);
5319
5320         if (rc < 0)
5321                 BNX2X_ERR("Failed to schedule new commands: %d\n", rc);
5322         else if (rc > 0)
5323                 DP(BNX2X_MSG_SP, "Scheduled next pending commands...\n");
5324 }
5325
5326 static void bnx2x_set_iscsi_eth_rx_mode(struct bnx2x *bp, bool start);
5327
5328 static void bnx2x_handle_rx_mode_eqe(struct bnx2x *bp)
5329 {
5330         netif_addr_lock_bh(bp->dev);
5331
5332         clear_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state);
5333
5334         /* Send rx_mode command again if was requested */
5335         if (test_and_clear_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state))
5336                 bnx2x_set_storm_rx_mode(bp);
5337         else if (test_and_clear_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED,
5338                                     &bp->sp_state))
5339                 bnx2x_set_iscsi_eth_rx_mode(bp, true);
5340         else if (test_and_clear_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED,
5341                                     &bp->sp_state))
5342                 bnx2x_set_iscsi_eth_rx_mode(bp, false);
5343
5344         netif_addr_unlock_bh(bp->dev);
5345 }
5346
5347 static void bnx2x_after_afex_vif_lists(struct bnx2x *bp,
5348                                               union event_ring_elem *elem)
5349 {
5350         if (elem->message.data.vif_list_event.echo == VIF_LIST_RULE_GET) {
5351                 DP(BNX2X_MSG_SP,
5352                    "afex: ramrod completed VIF LIST_GET, addrs 0x%x\n",
5353                    elem->message.data.vif_list_event.func_bit_map);
5354                 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_LISTGET_ACK,
5355                         elem->message.data.vif_list_event.func_bit_map);
5356         } else if (elem->message.data.vif_list_event.echo ==
5357                    VIF_LIST_RULE_SET) {
5358                 DP(BNX2X_MSG_SP, "afex: ramrod completed VIF LIST_SET\n");
5359                 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_LISTSET_ACK, 0);
5360         }
5361 }
5362
5363 /* called with rtnl_lock */
5364 static void bnx2x_after_function_update(struct bnx2x *bp)
5365 {
5366         int q, rc;
5367         struct bnx2x_fastpath *fp;
5368         struct bnx2x_queue_state_params queue_params = {NULL};
5369         struct bnx2x_queue_update_params *q_update_params =
5370                 &queue_params.params.update;
5371
5372         /* Send Q update command with afex vlan removal values for all Qs */
5373         queue_params.cmd = BNX2X_Q_CMD_UPDATE;
5374
5375         /* set silent vlan removal values according to vlan mode */
5376         __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG,
5377                   &q_update_params->update_flags);
5378         __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
5379                   &q_update_params->update_flags);
5380         __set_bit(RAMROD_COMP_WAIT, &queue_params.ramrod_flags);
5381
5382         /* in access mode mark mask and value are 0 to strip all vlans */
5383         if (bp->afex_vlan_mode == FUNC_MF_CFG_AFEX_VLAN_ACCESS_MODE) {
5384                 q_update_params->silent_removal_value = 0;
5385                 q_update_params->silent_removal_mask = 0;
5386         } else {
5387                 q_update_params->silent_removal_value =
5388                         (bp->afex_def_vlan_tag & VLAN_VID_MASK);
5389                 q_update_params->silent_removal_mask = VLAN_VID_MASK;
5390         }
5391
5392         for_each_eth_queue(bp, q) {
5393                 /* Set the appropriate Queue object */
5394                 fp = &bp->fp[q];
5395                 queue_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
5396
5397                 /* send the ramrod */
5398                 rc = bnx2x_queue_state_change(bp, &queue_params);
5399                 if (rc < 0)
5400                         BNX2X_ERR("Failed to config silent vlan rem for Q %d\n",
5401                                   q);
5402         }
5403
5404         if (!NO_FCOE(bp) && CNIC_ENABLED(bp)) {
5405                 fp = &bp->fp[FCOE_IDX(bp)];
5406                 queue_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
5407
5408                 /* clear pending completion bit */
5409                 __clear_bit(RAMROD_COMP_WAIT, &queue_params.ramrod_flags);
5410
5411                 /* mark latest Q bit */
5412                 smp_mb__before_atomic();
5413                 set_bit(BNX2X_AFEX_FCOE_Q_UPDATE_PENDING, &bp->sp_state);
5414                 smp_mb__after_atomic();
5415
5416                 /* send Q update ramrod for FCoE Q */
5417                 rc = bnx2x_queue_state_change(bp, &queue_params);
5418                 if (rc < 0)
5419                         BNX2X_ERR("Failed to config silent vlan rem for Q %d\n",
5420                                   q);
5421         } else {
5422                 /* If no FCoE ring - ACK MCP now */
5423                 bnx2x_link_report(bp);
5424                 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
5425         }
5426 }
5427
5428 static struct bnx2x_queue_sp_obj *bnx2x_cid_to_q_obj(
5429         struct bnx2x *bp, u32 cid)
5430 {
5431         DP(BNX2X_MSG_SP, "retrieving fp from cid %d\n", cid);
5432
5433         if (CNIC_LOADED(bp) && (cid == BNX2X_FCOE_ETH_CID(bp)))
5434                 return &bnx2x_fcoe_sp_obj(bp, q_obj);
5435         else
5436                 return &bp->sp_objs[CID_TO_FP(cid, bp)].q_obj;
5437 }
5438
5439 static void bnx2x_eq_int(struct bnx2x *bp)
5440 {
5441         u16 hw_cons, sw_cons, sw_prod;
5442         union event_ring_elem *elem;
5443         u8 echo;
5444         u32 cid;
5445         u8 opcode;
5446         int rc, spqe_cnt = 0;
5447         struct bnx2x_queue_sp_obj *q_obj;
5448         struct bnx2x_func_sp_obj *f_obj = &bp->func_obj;
5449         struct bnx2x_raw_obj *rss_raw = &bp->rss_conf_obj.raw;
5450
5451         hw_cons = le16_to_cpu(*bp->eq_cons_sb);
5452
5453         /* The hw_cos range is 1-255, 257 - the sw_cons range is 0-254, 256.
5454          * when we get the next-page we need to adjust so the loop
5455          * condition below will be met. The next element is the size of a
5456          * regular element and hence incrementing by 1
5457          */
5458         if ((hw_cons & EQ_DESC_MAX_PAGE) == EQ_DESC_MAX_PAGE)
5459                 hw_cons++;
5460
5461         /* This function may never run in parallel with itself for a
5462          * specific bp, thus there is no need in "paired" read memory
5463          * barrier here.
5464          */
5465         sw_cons = bp->eq_cons;
5466         sw_prod = bp->eq_prod;
5467
5468         DP(BNX2X_MSG_SP, "EQ:  hw_cons %u  sw_cons %u bp->eq_spq_left %x\n",
5469                         hw_cons, sw_cons, atomic_read(&bp->eq_spq_left));
5470
5471         for (; sw_cons != hw_cons;
5472               sw_prod = NEXT_EQ_IDX(sw_prod), sw_cons = NEXT_EQ_IDX(sw_cons)) {
5473
5474                 elem = &bp->eq_ring[EQ_DESC(sw_cons)];
5475
5476                 rc = bnx2x_iov_eq_sp_event(bp, elem);
5477                 if (!rc) {
5478                         DP(BNX2X_MSG_IOV, "bnx2x_iov_eq_sp_event returned %d\n",
5479                            rc);
5480                         goto next_spqe;
5481                 }
5482
5483                 /* elem CID originates from FW; actually LE */
5484                 cid = SW_CID((__force __le32)
5485                              elem->message.data.cfc_del_event.cid);
5486                 opcode = elem->message.opcode;
5487
5488                 /* handle eq element */
5489                 switch (opcode) {
5490                 case EVENT_RING_OPCODE_VF_PF_CHANNEL:
5491                         bnx2x_vf_mbx_schedule(bp,
5492                                               &elem->message.data.vf_pf_event);
5493                         continue;
5494
5495                 case EVENT_RING_OPCODE_STAT_QUERY:
5496                         DP_AND((BNX2X_MSG_SP | BNX2X_MSG_STATS),
5497                                "got statistics comp event %d\n",
5498                                bp->stats_comp++);
5499                         /* nothing to do with stats comp */
5500                         goto next_spqe;
5501
5502                 case EVENT_RING_OPCODE_CFC_DEL:
5503                         /* handle according to cid range */
5504                         /*
5505                          * we may want to verify here that the bp state is
5506                          * HALTING
5507                          */
5508                         DP(BNX2X_MSG_SP,
5509                            "got delete ramrod for MULTI[%d]\n", cid);
5510
5511                         if (CNIC_LOADED(bp) &&
5512                             !bnx2x_cnic_handle_cfc_del(bp, cid, elem))
5513                                 goto next_spqe;
5514
5515                         q_obj = bnx2x_cid_to_q_obj(bp, cid);
5516
5517                         if (q_obj->complete_cmd(bp, q_obj, BNX2X_Q_CMD_CFC_DEL))
5518                                 break;
5519
5520                         goto next_spqe;
5521
5522                 case EVENT_RING_OPCODE_STOP_TRAFFIC:
5523                         DP(BNX2X_MSG_SP | BNX2X_MSG_DCB, "got STOP TRAFFIC\n");
5524                         bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
5525                         if (f_obj->complete_cmd(bp, f_obj,
5526                                                 BNX2X_F_CMD_TX_STOP))
5527                                 break;
5528                         goto next_spqe;
5529
5530                 case EVENT_RING_OPCODE_START_TRAFFIC:
5531                         DP(BNX2X_MSG_SP | BNX2X_MSG_DCB, "got START TRAFFIC\n");
5532                         bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
5533                         if (f_obj->complete_cmd(bp, f_obj,
5534                                                 BNX2X_F_CMD_TX_START))
5535                                 break;
5536                         goto next_spqe;
5537
5538                 case EVENT_RING_OPCODE_FUNCTION_UPDATE:
5539                         echo = elem->message.data.function_update_event.echo;
5540                         if (echo == SWITCH_UPDATE) {
5541                                 DP(BNX2X_MSG_SP | NETIF_MSG_IFUP,
5542                                    "got FUNC_SWITCH_UPDATE ramrod\n");
5543                                 if (f_obj->complete_cmd(
5544                                         bp, f_obj, BNX2X_F_CMD_SWITCH_UPDATE))
5545                                         break;
5546
5547                         } else {
5548                                 int cmd = BNX2X_SP_RTNL_AFEX_F_UPDATE;
5549
5550                                 DP(BNX2X_MSG_SP | BNX2X_MSG_MCP,
5551                                    "AFEX: ramrod completed FUNCTION_UPDATE\n");
5552                                 f_obj->complete_cmd(bp, f_obj,
5553                                                     BNX2X_F_CMD_AFEX_UPDATE);
5554
5555                                 /* We will perform the Queues update from
5556                                  * sp_rtnl task as all Queue SP operations
5557                                  * should run under rtnl_lock.
5558                                  */
5559                                 bnx2x_schedule_sp_rtnl(bp, cmd, 0);
5560                         }
5561
5562                         goto next_spqe;
5563
5564                 case EVENT_RING_OPCODE_AFEX_VIF_LISTS:
5565                         f_obj->complete_cmd(bp, f_obj,
5566                                             BNX2X_F_CMD_AFEX_VIFLISTS);
5567                         bnx2x_after_afex_vif_lists(bp, elem);
5568                         goto next_spqe;
5569                 case EVENT_RING_OPCODE_FUNCTION_START:
5570                         DP(BNX2X_MSG_SP | NETIF_MSG_IFUP,
5571                            "got FUNC_START ramrod\n");
5572                         if (f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_START))
5573                                 break;
5574
5575                         goto next_spqe;
5576
5577                 case EVENT_RING_OPCODE_FUNCTION_STOP:
5578                         DP(BNX2X_MSG_SP | NETIF_MSG_IFUP,
5579                            "got FUNC_STOP ramrod\n");
5580                         if (f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_STOP))
5581                                 break;
5582
5583                         goto next_spqe;
5584
5585                 case EVENT_RING_OPCODE_SET_TIMESYNC:
5586                         DP(BNX2X_MSG_SP | BNX2X_MSG_PTP,
5587                            "got set_timesync ramrod completion\n");
5588                         if (f_obj->complete_cmd(bp, f_obj,
5589                                                 BNX2X_F_CMD_SET_TIMESYNC))
5590                                 break;
5591                         goto next_spqe;
5592                 }
5593
5594                 switch (opcode | bp->state) {
5595                 case (EVENT_RING_OPCODE_RSS_UPDATE_RULES |
5596                       BNX2X_STATE_OPEN):
5597                 case (EVENT_RING_OPCODE_RSS_UPDATE_RULES |
5598                       BNX2X_STATE_OPENING_WAIT4_PORT):
5599                 case (EVENT_RING_OPCODE_RSS_UPDATE_RULES |
5600                       BNX2X_STATE_CLOSING_WAIT4_HALT):
5601                         cid = elem->message.data.eth_event.echo &
5602                                 BNX2X_SWCID_MASK;
5603                         DP(BNX2X_MSG_SP, "got RSS_UPDATE ramrod. CID %d\n",
5604                            cid);
5605                         rss_raw->clear_pending(rss_raw);
5606                         break;
5607
5608                 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_OPEN):
5609                 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_DIAG):
5610                 case (EVENT_RING_OPCODE_SET_MAC |
5611                       BNX2X_STATE_CLOSING_WAIT4_HALT):
5612                 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
5613                       BNX2X_STATE_OPEN):
5614                 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
5615                       BNX2X_STATE_DIAG):
5616                 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
5617                       BNX2X_STATE_CLOSING_WAIT4_HALT):
5618                         DP(BNX2X_MSG_SP, "got (un)set vlan/mac ramrod\n");
5619                         bnx2x_handle_classification_eqe(bp, elem);
5620                         break;
5621
5622                 case (EVENT_RING_OPCODE_MULTICAST_RULES |
5623                       BNX2X_STATE_OPEN):
5624                 case (EVENT_RING_OPCODE_MULTICAST_RULES |
5625                       BNX2X_STATE_DIAG):
5626                 case (EVENT_RING_OPCODE_MULTICAST_RULES |
5627                       BNX2X_STATE_CLOSING_WAIT4_HALT):
5628                         DP(BNX2X_MSG_SP, "got mcast ramrod\n");
5629                         bnx2x_handle_mcast_eqe(bp);
5630                         break;
5631
5632                 case (EVENT_RING_OPCODE_FILTERS_RULES |
5633                       BNX2X_STATE_OPEN):
5634                 case (EVENT_RING_OPCODE_FILTERS_RULES |
5635                       BNX2X_STATE_DIAG):
5636                 case (EVENT_RING_OPCODE_FILTERS_RULES |
5637                       BNX2X_STATE_CLOSING_WAIT4_HALT):
5638                         DP(BNX2X_MSG_SP, "got rx_mode ramrod\n");
5639                         bnx2x_handle_rx_mode_eqe(bp);
5640                         break;
5641                 default:
5642                         /* unknown event log error and continue */
5643                         BNX2X_ERR("Unknown EQ event %d, bp->state 0x%x\n",
5644                                   elem->message.opcode, bp->state);
5645                 }
5646 next_spqe:
5647                 spqe_cnt++;
5648         } /* for */
5649
5650         smp_mb__before_atomic();
5651         atomic_add(spqe_cnt, &bp->eq_spq_left);
5652
5653         bp->eq_cons = sw_cons;
5654         bp->eq_prod = sw_prod;
5655         /* Make sure that above mem writes were issued towards the memory */
5656         smp_wmb();
5657
5658         /* update producer */
5659         bnx2x_update_eq_prod(bp, bp->eq_prod);
5660 }
5661
5662 static void bnx2x_sp_task(struct work_struct *work)
5663 {
5664         struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
5665
5666         DP(BNX2X_MSG_SP, "sp task invoked\n");
5667
5668         /* make sure the atomic interrupt_occurred has been written */
5669         smp_rmb();
5670         if (atomic_read(&bp->interrupt_occurred)) {
5671
5672                 /* what work needs to be performed? */
5673                 u16 status = bnx2x_update_dsb_idx(bp);
5674
5675                 DP(BNX2X_MSG_SP, "status %x\n", status);
5676                 DP(BNX2X_MSG_SP, "setting interrupt_occurred to 0\n");
5677                 atomic_set(&bp->interrupt_occurred, 0);
5678
5679                 /* HW attentions */
5680                 if (status & BNX2X_DEF_SB_ATT_IDX) {
5681                         bnx2x_attn_int(bp);
5682                         status &= ~BNX2X_DEF_SB_ATT_IDX;
5683                 }
5684
5685                 /* SP events: STAT_QUERY and others */
5686                 if (status & BNX2X_DEF_SB_IDX) {
5687                         struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
5688
5689                 if (FCOE_INIT(bp) &&
5690                             (bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp))) {
5691                                 /* Prevent local bottom-halves from running as
5692                                  * we are going to change the local NAPI list.
5693                                  */
5694                                 local_bh_disable();
5695                                 napi_schedule(&bnx2x_fcoe(bp, napi));
5696                                 local_bh_enable();
5697                         }
5698
5699                         /* Handle EQ completions */
5700                         bnx2x_eq_int(bp);
5701                         bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID,
5702                                      le16_to_cpu(bp->def_idx), IGU_INT_NOP, 1);
5703
5704                         status &= ~BNX2X_DEF_SB_IDX;
5705                 }
5706
5707                 /* if status is non zero then perhaps something went wrong */
5708                 if (unlikely(status))
5709                         DP(BNX2X_MSG_SP,
5710                            "got an unknown interrupt! (status 0x%x)\n", status);
5711
5712                 /* ack status block only if something was actually handled */
5713                 bnx2x_ack_sb(bp, bp->igu_dsb_id, ATTENTION_ID,
5714                              le16_to_cpu(bp->def_att_idx), IGU_INT_ENABLE, 1);
5715         }
5716
5717         /* afex - poll to check if VIFSET_ACK should be sent to MFW */
5718         if (test_and_clear_bit(BNX2X_AFEX_PENDING_VIFSET_MCP_ACK,
5719                                &bp->sp_state)) {
5720                 bnx2x_link_report(bp);
5721                 bnx2x_fw_command(bp, DRV_MSG_CODE_AFEX_VIFSET_ACK, 0);
5722         }
5723 }
5724
5725 irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
5726 {
5727         struct net_device *dev = dev_instance;
5728         struct bnx2x *bp = netdev_priv(dev);
5729
5730         bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
5731                      IGU_INT_DISABLE, 0);
5732
5733 #ifdef BNX2X_STOP_ON_ERROR
5734         if (unlikely(bp->panic))
5735                 return IRQ_HANDLED;
5736 #endif
5737
5738         if (CNIC_LOADED(bp)) {
5739                 struct cnic_ops *c_ops;
5740
5741                 rcu_read_lock();
5742                 c_ops = rcu_dereference(bp->cnic_ops);
5743                 if (c_ops)
5744                         c_ops->cnic_handler(bp->cnic_data, NULL);
5745                 rcu_read_unlock();
5746         }
5747
5748         /* schedule sp task to perform default status block work, ack
5749          * attentions and enable interrupts.
5750          */
5751         bnx2x_schedule_sp_task(bp);
5752
5753         return IRQ_HANDLED;
5754 }
5755
5756 /* end of slow path */
5757
5758 void bnx2x_drv_pulse(struct bnx2x *bp)
5759 {
5760         SHMEM_WR(bp, func_mb[BP_FW_MB_IDX(bp)].drv_pulse_mb,
5761                  bp->fw_drv_pulse_wr_seq);
5762 }
5763
5764 static void bnx2x_timer(unsigned long data)
5765 {
5766         struct bnx2x *bp = (struct bnx2x *) data;
5767
5768         if (!netif_running(bp->dev))
5769                 return;
5770
5771         if (IS_PF(bp) &&
5772             !BP_NOMCP(bp)) {
5773                 int mb_idx = BP_FW_MB_IDX(bp);
5774                 u16 drv_pulse;
5775                 u16 mcp_pulse;
5776
5777                 ++bp->fw_drv_pulse_wr_seq;
5778                 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
5779                 drv_pulse = bp->fw_drv_pulse_wr_seq;
5780                 bnx2x_drv_pulse(bp);
5781
5782                 mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
5783                              MCP_PULSE_SEQ_MASK);
5784                 /* The delta between driver pulse and mcp response
5785                  * should not get too big. If the MFW is more than 5 pulses
5786                  * behind, we should worry about it enough to generate an error
5787                  * log.
5788                  */
5789                 if (((drv_pulse - mcp_pulse) & MCP_PULSE_SEQ_MASK) > 5)
5790                         BNX2X_ERR("MFW seems hanged: drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
5791                                   drv_pulse, mcp_pulse);
5792         }
5793
5794         if (bp->state == BNX2X_STATE_OPEN)
5795                 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
5796
5797         /* sample pf vf bulletin board for new posts from pf */
5798         if (IS_VF(bp))
5799                 bnx2x_timer_sriov(bp);
5800
5801         mod_timer(&bp->timer, jiffies + bp->current_interval);
5802 }
5803
5804 /* end of Statistics */
5805
5806 /* nic init */
5807
5808 /*
5809  * nic init service functions
5810  */
5811
5812 static void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
5813 {
5814         u32 i;
5815         if (!(len%4) && !(addr%4))
5816                 for (i = 0; i < len; i += 4)
5817                         REG_WR(bp, addr + i, fill);
5818         else
5819                 for (i = 0; i < len; i++)
5820                         REG_WR8(bp, addr + i, fill);
5821 }
5822
5823 /* helper: writes FP SP data to FW - data_size in dwords */
5824 static void bnx2x_wr_fp_sb_data(struct bnx2x *bp,
5825                                 int fw_sb_id,
5826                                 u32 *sb_data_p,
5827                                 u32 data_size)
5828 {
5829         int index;
5830         for (index = 0; index < data_size; index++)
5831                 REG_WR(bp, BAR_CSTRORM_INTMEM +
5832                         CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
5833                         sizeof(u32)*index,
5834                         *(sb_data_p + index));
5835 }
5836
5837 static void bnx2x_zero_fp_sb(struct bnx2x *bp, int fw_sb_id)
5838 {
5839         u32 *sb_data_p;
5840         u32 data_size = 0;
5841         struct hc_status_block_data_e2 sb_data_e2;
5842         struct hc_status_block_data_e1x sb_data_e1x;
5843
5844         /* disable the function first */
5845         if (!CHIP_IS_E1x(bp)) {
5846                 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
5847                 sb_data_e2.common.state = SB_DISABLED;
5848                 sb_data_e2.common.p_func.vf_valid = false;
5849                 sb_data_p = (u32 *)&sb_data_e2;
5850                 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
5851         } else {
5852                 memset(&sb_data_e1x, 0,
5853                        sizeof(struct hc_status_block_data_e1x));
5854                 sb_data_e1x.common.state = SB_DISABLED;
5855                 sb_data_e1x.common.p_func.vf_valid = false;
5856                 sb_data_p = (u32 *)&sb_data_e1x;
5857                 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
5858         }
5859         bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
5860
5861         bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5862                         CSTORM_STATUS_BLOCK_OFFSET(fw_sb_id), 0,
5863                         CSTORM_STATUS_BLOCK_SIZE);
5864         bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5865                         CSTORM_SYNC_BLOCK_OFFSET(fw_sb_id), 0,
5866                         CSTORM_SYNC_BLOCK_SIZE);
5867 }
5868
5869 /* helper:  writes SP SB data to FW */
5870 static void bnx2x_wr_sp_sb_data(struct bnx2x *bp,
5871                 struct hc_sp_status_block_data *sp_sb_data)
5872 {
5873         int func = BP_FUNC(bp);
5874         int i;
5875         for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
5876                 REG_WR(bp, BAR_CSTRORM_INTMEM +
5877                         CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
5878                         i*sizeof(u32),
5879                         *((u32 *)sp_sb_data + i));
5880 }
5881
5882 static void bnx2x_zero_sp_sb(struct bnx2x *bp)
5883 {
5884         int func = BP_FUNC(bp);
5885         struct hc_sp_status_block_data sp_sb_data;
5886         memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
5887
5888         sp_sb_data.state = SB_DISABLED;
5889         sp_sb_data.p_func.vf_valid = false;
5890
5891         bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
5892
5893         bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5894                         CSTORM_SP_STATUS_BLOCK_OFFSET(func), 0,
5895                         CSTORM_SP_STATUS_BLOCK_SIZE);
5896         bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
5897                         CSTORM_SP_SYNC_BLOCK_OFFSET(func), 0,
5898                         CSTORM_SP_SYNC_BLOCK_SIZE);
5899 }
5900
5901 static void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
5902                                            int igu_sb_id, int igu_seg_id)
5903 {
5904         hc_sm->igu_sb_id = igu_sb_id;
5905         hc_sm->igu_seg_id = igu_seg_id;
5906         hc_sm->timer_value = 0xFF;
5907         hc_sm->time_to_expire = 0xFFFFFFFF;
5908 }
5909
5910 /* allocates state machine ids. */
5911 static void bnx2x_map_sb_state_machines(struct hc_index_data *index_data)
5912 {
5913         /* zero out state machine indices */
5914         /* rx indices */
5915         index_data[HC_INDEX_ETH_RX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID;
5916
5917         /* tx indices */
5918         index_data[HC_INDEX_OOO_TX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID;
5919         index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags &= ~HC_INDEX_DATA_SM_ID;
5920         index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags &= ~HC_INDEX_DATA_SM_ID;
5921         index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags &= ~HC_INDEX_DATA_SM_ID;
5922
5923         /* map indices */
5924         /* rx indices */
5925         index_data[HC_INDEX_ETH_RX_CQ_CONS].flags |=
5926                 SM_RX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5927
5928         /* tx indices */
5929         index_data[HC_INDEX_OOO_TX_CQ_CONS].flags |=
5930                 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5931         index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags |=
5932                 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5933         index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags |=
5934                 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5935         index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags |=
5936                 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5937 }
5938
5939 void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
5940                           u8 vf_valid, int fw_sb_id, int igu_sb_id)
5941 {
5942         int igu_seg_id;
5943
5944         struct hc_status_block_data_e2 sb_data_e2;
5945         struct hc_status_block_data_e1x sb_data_e1x;
5946         struct hc_status_block_sm  *hc_sm_p;
5947         int data_size;
5948         u32 *sb_data_p;
5949
5950         if (CHIP_INT_MODE_IS_BC(bp))
5951                 igu_seg_id = HC_SEG_ACCESS_NORM;
5952         else
5953                 igu_seg_id = IGU_SEG_ACCESS_NORM;
5954
5955         bnx2x_zero_fp_sb(bp, fw_sb_id);
5956
5957         if (!CHIP_IS_E1x(bp)) {
5958                 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
5959                 sb_data_e2.common.state = SB_ENABLED;
5960                 sb_data_e2.common.p_func.pf_id = BP_FUNC(bp);
5961                 sb_data_e2.common.p_func.vf_id = vfid;
5962                 sb_data_e2.common.p_func.vf_valid = vf_valid;
5963                 sb_data_e2.common.p_func.vnic_id = BP_VN(bp);
5964                 sb_data_e2.common.same_igu_sb_1b = true;
5965                 sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping);
5966                 sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping);
5967                 hc_sm_p = sb_data_e2.common.state_machine;
5968                 sb_data_p = (u32 *)&sb_data_e2;
5969                 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
5970                 bnx2x_map_sb_state_machines(sb_data_e2.index_data);
5971         } else {
5972                 memset(&sb_data_e1x, 0,
5973                        sizeof(struct hc_status_block_data_e1x));
5974                 sb_data_e1x.common.state = SB_ENABLED;
5975                 sb_data_e1x.common.p_func.pf_id = BP_FUNC(bp);
5976                 sb_data_e1x.common.p_func.vf_id = 0xff;
5977                 sb_data_e1x.common.p_func.vf_valid = false;
5978                 sb_data_e1x.common.p_func.vnic_id = BP_VN(bp);
5979                 sb_data_e1x.common.same_igu_sb_1b = true;
5980                 sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping);
5981                 sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping);
5982                 hc_sm_p = sb_data_e1x.common.state_machine;
5983                 sb_data_p = (u32 *)&sb_data_e1x;
5984                 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
5985                 bnx2x_map_sb_state_machines(sb_data_e1x.index_data);
5986         }
5987
5988         bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
5989                                        igu_sb_id, igu_seg_id);
5990         bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_TX_ID],
5991                                        igu_sb_id, igu_seg_id);
5992
5993         DP(NETIF_MSG_IFUP, "Init FW SB %d\n", fw_sb_id);
5994
5995         /* write indices to HW - PCI guarantees endianity of regpairs */
5996         bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
5997 }
5998
5999 static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u8 fw_sb_id,
6000                                      u16 tx_usec, u16 rx_usec)
6001 {
6002         bnx2x_update_coalesce_sb_index(bp, fw_sb_id, HC_INDEX_ETH_RX_CQ_CONS,
6003                                     false, rx_usec);
6004         bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
6005                                        HC_INDEX_ETH_TX_CQ_CONS_COS0, false,
6006                                        tx_usec);
6007         bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
6008                                        HC_INDEX_ETH_TX_CQ_CONS_COS1, false,
6009                                        tx_usec);
6010         bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
6011                                        HC_INDEX_ETH_TX_CQ_CONS_COS2, false,
6012                                        tx_usec);
6013 }
6014
6015 static void bnx2x_init_def_sb(struct bnx2x *bp)
6016 {
6017         struct host_sp_status_block *def_sb = bp->def_status_blk;
6018         dma_addr_t mapping = bp->def_status_blk_mapping;
6019         int igu_sp_sb_index;
6020         int igu_seg_id;
6021         int port = BP_PORT(bp);
6022         int func = BP_FUNC(bp);
6023         int reg_offset, reg_offset_en5;
6024         u64 section;
6025         int index;
6026         struct hc_sp_status_block_data sp_sb_data;
6027         memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
6028
6029         if (CHIP_INT_MODE_IS_BC(bp)) {
6030                 igu_sp_sb_index = DEF_SB_IGU_ID;
6031                 igu_seg_id = HC_SEG_ACCESS_DEF;
6032         } else {
6033                 igu_sp_sb_index = bp->igu_dsb_id;
6034                 igu_seg_id = IGU_SEG_ACCESS_DEF;
6035         }
6036
6037         /* ATTN */
6038         section = ((u64)mapping) + offsetof(struct host_sp_status_block,
6039                                             atten_status_block);
6040         def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
6041
6042         bp->attn_state = 0;
6043
6044         reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
6045                              MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
6046         reg_offset_en5 = (port ? MISC_REG_AEU_ENABLE5_FUNC_1_OUT_0 :
6047                                  MISC_REG_AEU_ENABLE5_FUNC_0_OUT_0);
6048         for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
6049                 int sindex;
6050                 /* take care of sig[0]..sig[4] */
6051                 for (sindex = 0; sindex < 4; sindex++)
6052                         bp->attn_group[index].sig[sindex] =
6053                            REG_RD(bp, reg_offset + sindex*0x4 + 0x10*index);
6054
6055                 if (!CHIP_IS_E1x(bp))
6056                         /*
6057                          * enable5 is separate from the rest of the registers,
6058                          * and therefore the address skip is 4
6059                          * and not 16 between the different groups
6060                          */
6061                         bp->attn_group[index].sig[4] = REG_RD(bp,
6062                                         reg_offset_en5 + 0x4*index);
6063                 else
6064                         bp->attn_group[index].sig[4] = 0;
6065         }
6066
6067         if (bp->common.int_block == INT_BLOCK_HC) {
6068                 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
6069                                      HC_REG_ATTN_MSG0_ADDR_L);
6070
6071                 REG_WR(bp, reg_offset, U64_LO(section));
6072                 REG_WR(bp, reg_offset + 4, U64_HI(section));
6073         } else if (!CHIP_IS_E1x(bp)) {
6074                 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_L, U64_LO(section));
6075                 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_H, U64_HI(section));
6076         }
6077
6078         section = ((u64)mapping) + offsetof(struct host_sp_status_block,
6079                                             sp_sb);
6080
6081         bnx2x_zero_sp_sb(bp);
6082
6083         /* PCI guarantees endianity of regpairs */
6084         sp_sb_data.state                = SB_ENABLED;
6085         sp_sb_data.host_sb_addr.lo      = U64_LO(section);
6086         sp_sb_data.host_sb_addr.hi      = U64_HI(section);
6087         sp_sb_data.igu_sb_id            = igu_sp_sb_index;
6088         sp_sb_data.igu_seg_id           = igu_seg_id;
6089         sp_sb_data.p_func.pf_id         = func;
6090         sp_sb_data.p_func.vnic_id       = BP_VN(bp);
6091         sp_sb_data.p_func.vf_id         = 0xff;
6092
6093         bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
6094
6095         bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
6096 }
6097
6098 void bnx2x_update_coalesce(struct bnx2x *bp)
6099 {
6100         int i;
6101
6102         for_each_eth_queue(bp, i)
6103                 bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
6104                                          bp->tx_ticks, bp->rx_ticks);
6105 }
6106
6107 static void bnx2x_init_sp_ring(struct bnx2x *bp)
6108 {
6109         spin_lock_init(&bp->spq_lock);
6110         atomic_set(&bp->cq_spq_left, MAX_SPQ_PENDING);
6111
6112         bp->spq_prod_idx = 0;
6113         bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
6114         bp->spq_prod_bd = bp->spq;
6115         bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
6116 }
6117
6118 static void bnx2x_init_eq_ring(struct bnx2x *bp)
6119 {
6120         int i;
6121         for (i = 1; i <= NUM_EQ_PAGES; i++) {
6122                 union event_ring_elem *elem =
6123                         &bp->eq_ring[EQ_DESC_CNT_PAGE * i - 1];
6124
6125                 elem->next_page.addr.hi =
6126                         cpu_to_le32(U64_HI(bp->eq_mapping +
6127                                    BCM_PAGE_SIZE * (i % NUM_EQ_PAGES)));
6128                 elem->next_page.addr.lo =
6129                         cpu_to_le32(U64_LO(bp->eq_mapping +
6130                                    BCM_PAGE_SIZE*(i % NUM_EQ_PAGES)));
6131         }
6132         bp->eq_cons = 0;
6133         bp->eq_prod = NUM_EQ_DESC;
6134         bp->eq_cons_sb = BNX2X_EQ_INDEX;
6135         /* we want a warning message before it gets wrought... */
6136         atomic_set(&bp->eq_spq_left,
6137                 min_t(int, MAX_SP_DESC_CNT - MAX_SPQ_PENDING, NUM_EQ_DESC) - 1);
6138 }
6139
6140 /* called with netif_addr_lock_bh() */
6141 static int bnx2x_set_q_rx_mode(struct bnx2x *bp, u8 cl_id,
6142                                unsigned long rx_mode_flags,
6143                                unsigned long rx_accept_flags,
6144                                unsigned long tx_accept_flags,
6145                                unsigned long ramrod_flags)
6146 {
6147         struct bnx2x_rx_mode_ramrod_params ramrod_param;
6148         int rc;
6149
6150         memset(&ramrod_param, 0, sizeof(ramrod_param));
6151
6152         /* Prepare ramrod parameters */
6153         ramrod_param.cid = 0;
6154         ramrod_param.cl_id = cl_id;
6155         ramrod_param.rx_mode_obj = &bp->rx_mode_obj;
6156         ramrod_param.func_id = BP_FUNC(bp);
6157
6158         ramrod_param.pstate = &bp->sp_state;
6159         ramrod_param.state = BNX2X_FILTER_RX_MODE_PENDING;
6160
6161         ramrod_param.rdata = bnx2x_sp(bp, rx_mode_rdata);
6162         ramrod_param.rdata_mapping = bnx2x_sp_mapping(bp, rx_mode_rdata);
6163
6164         set_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state);
6165
6166         ramrod_param.ramrod_flags = ramrod_flags;
6167         ramrod_param.rx_mode_flags = rx_mode_flags;
6168
6169         ramrod_param.rx_accept_flags = rx_accept_flags;
6170         ramrod_param.tx_accept_flags = tx_accept_flags;
6171
6172         rc = bnx2x_config_rx_mode(bp, &ramrod_param);
6173         if (rc < 0) {
6174                 BNX2X_ERR("Set rx_mode %d failed\n", bp->rx_mode);
6175                 return rc;
6176         }
6177
6178         return 0;
6179 }
6180
6181 static int bnx2x_fill_accept_flags(struct bnx2x *bp, u32 rx_mode,
6182                                    unsigned long *rx_accept_flags,
6183                                    unsigned long *tx_accept_flags)
6184 {
6185         /* Clear the flags first */
6186         *rx_accept_flags = 0;
6187         *tx_accept_flags = 0;
6188
6189         switch (rx_mode) {
6190         case BNX2X_RX_MODE_NONE:
6191                 /*
6192                  * 'drop all' supersedes any accept flags that may have been
6193                  * passed to the function.
6194                  */
6195                 break;
6196         case BNX2X_RX_MODE_NORMAL:
6197                 __set_bit(BNX2X_ACCEPT_UNICAST, rx_accept_flags);
6198                 __set_bit(BNX2X_ACCEPT_MULTICAST, rx_accept_flags);
6199                 __set_bit(BNX2X_ACCEPT_BROADCAST, rx_accept_flags);
6200
6201                 /* internal switching mode */
6202                 __set_bit(BNX2X_ACCEPT_UNICAST, tx_accept_flags);
6203                 __set_bit(BNX2X_ACCEPT_MULTICAST, tx_accept_flags);
6204                 __set_bit(BNX2X_ACCEPT_BROADCAST, tx_accept_flags);
6205
6206                 if (bp->accept_any_vlan) {
6207                         __set_bit(BNX2X_ACCEPT_ANY_VLAN, rx_accept_flags);
6208                         __set_bit(BNX2X_ACCEPT_ANY_VLAN, tx_accept_flags);
6209                 }
6210
6211                 break;
6212         case BNX2X_RX_MODE_ALLMULTI:
6213                 __set_bit(BNX2X_ACCEPT_UNICAST, rx_accept_flags);
6214                 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, rx_accept_flags);
6215                 __set_bit(BNX2X_ACCEPT_BROADCAST, rx_accept_flags);
6216
6217                 /* internal switching mode */
6218                 __set_bit(BNX2X_ACCEPT_UNICAST, tx_accept_flags);
6219                 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, tx_accept_flags);
6220                 __set_bit(BNX2X_ACCEPT_BROADCAST, tx_accept_flags);
6221
6222                 if (bp->accept_any_vlan) {
6223                         __set_bit(BNX2X_ACCEPT_ANY_VLAN, rx_accept_flags);
6224                         __set_bit(BNX2X_ACCEPT_ANY_VLAN, tx_accept_flags);
6225                 }
6226
6227                 break;
6228         case BNX2X_RX_MODE_PROMISC:
6229                 /* According to definition of SI mode, iface in promisc mode
6230                  * should receive matched and unmatched (in resolution of port)
6231                  * unicast packets.
6232                  */
6233                 __set_bit(BNX2X_ACCEPT_UNMATCHED, rx_accept_flags);
6234                 __set_bit(BNX2X_ACCEPT_UNICAST, rx_accept_flags);
6235                 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, rx_accept_flags);
6236                 __set_bit(BNX2X_ACCEPT_BROADCAST, rx_accept_flags);
6237
6238                 /* internal switching mode */
6239                 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, tx_accept_flags);
6240                 __set_bit(BNX2X_ACCEPT_BROADCAST, tx_accept_flags);
6241
6242                 if (IS_MF_SI(bp))
6243                         __set_bit(BNX2X_ACCEPT_ALL_UNICAST, tx_accept_flags);
6244                 else
6245                         __set_bit(BNX2X_ACCEPT_UNICAST, tx_accept_flags);
6246
6247                 __set_bit(BNX2X_ACCEPT_ANY_VLAN, rx_accept_flags);
6248                 __set_bit(BNX2X_ACCEPT_ANY_VLAN, tx_accept_flags);
6249
6250                 break;
6251         default:
6252                 BNX2X_ERR("Unknown rx_mode: %d\n", rx_mode);
6253                 return -EINVAL;
6254         }
6255
6256         return 0;
6257 }
6258
6259 /* called with netif_addr_lock_bh() */
6260 static int bnx2x_set_storm_rx_mode(struct bnx2x *bp)
6261 {
6262         unsigned long rx_mode_flags = 0, ramrod_flags = 0;
6263         unsigned long rx_accept_flags = 0, tx_accept_flags = 0;
6264         int rc;
6265
6266         if (!NO_FCOE(bp))
6267                 /* Configure rx_mode of FCoE Queue */
6268                 __set_bit(BNX2X_RX_MODE_FCOE_ETH, &rx_mode_flags);
6269
6270         rc = bnx2x_fill_accept_flags(bp, bp->rx_mode, &rx_accept_flags,
6271                                      &tx_accept_flags);
6272         if (rc)
6273                 return rc;
6274
6275         __set_bit(RAMROD_RX, &ramrod_flags);
6276         __set_bit(RAMROD_TX, &ramrod_flags);
6277
6278         return bnx2x_set_q_rx_mode(bp, bp->fp->cl_id, rx_mode_flags,
6279                                    rx_accept_flags, tx_accept_flags,
6280                                    ramrod_flags);
6281 }
6282
6283 static void bnx2x_init_internal_common(struct bnx2x *bp)
6284 {
6285         int i;
6286
6287         /* Zero this manually as its initialization is
6288            currently missing in the initTool */
6289         for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
6290                 REG_WR(bp, BAR_USTRORM_INTMEM +
6291                        USTORM_AGG_DATA_OFFSET + i * 4, 0);
6292         if (!CHIP_IS_E1x(bp)) {
6293                 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
6294                         CHIP_INT_MODE_IS_BC(bp) ?
6295                         HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
6296         }
6297 }
6298
6299 static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
6300 {
6301         switch (load_code) {
6302         case FW_MSG_CODE_DRV_LOAD_COMMON:
6303         case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
6304                 bnx2x_init_internal_common(bp);
6305                 /* no break */
6306
6307         case FW_MSG_CODE_DRV_LOAD_PORT:
6308                 /* nothing to do */
6309                 /* no break */
6310
6311         case FW_MSG_CODE_DRV_LOAD_FUNCTION:
6312                 /* internal memory per function is
6313                    initialized inside bnx2x_pf_init */
6314                 break;
6315
6316         default:
6317                 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
6318                 break;
6319         }
6320 }
6321
6322 static inline u8 bnx2x_fp_igu_sb_id(struct bnx2x_fastpath *fp)
6323 {
6324         return fp->bp->igu_base_sb + fp->index + CNIC_SUPPORT(fp->bp);
6325 }
6326
6327 static inline u8 bnx2x_fp_fw_sb_id(struct bnx2x_fastpath *fp)
6328 {
6329         return fp->bp->base_fw_ndsb + fp->index + CNIC_SUPPORT(fp->bp);
6330 }
6331
6332 static u8 bnx2x_fp_cl_id(struct bnx2x_fastpath *fp)
6333 {
6334         if (CHIP_IS_E1x(fp->bp))
6335                 return BP_L_ID(fp->bp) + fp->index;
6336         else    /* We want Client ID to be the same as IGU SB ID for 57712 */
6337                 return bnx2x_fp_igu_sb_id(fp);
6338 }
6339
6340 static void bnx2x_init_eth_fp(struct bnx2x *bp, int fp_idx)
6341 {
6342         struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
6343         u8 cos;
6344         unsigned long q_type = 0;
6345         u32 cids[BNX2X_MULTI_TX_COS] = { 0 };
6346         fp->rx_queue = fp_idx;
6347         fp->cid = fp_idx;
6348         fp->cl_id = bnx2x_fp_cl_id(fp);
6349         fp->fw_sb_id = bnx2x_fp_fw_sb_id(fp);
6350         fp->igu_sb_id = bnx2x_fp_igu_sb_id(fp);
6351         /* qZone id equals to FW (per path) client id */
6352         fp->cl_qzone_id  = bnx2x_fp_qzone_id(fp);
6353
6354         /* init shortcut */
6355         fp->ustorm_rx_prods_offset = bnx2x_rx_ustorm_prods_offset(fp);
6356
6357         /* Setup SB indices */
6358         fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
6359
6360         /* Configure Queue State object */
6361         __set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
6362         __set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
6363
6364         BUG_ON(fp->max_cos > BNX2X_MULTI_TX_COS);
6365
6366         /* init tx data */
6367         for_each_cos_in_tx_queue(fp, cos) {
6368                 bnx2x_init_txdata(bp, fp->txdata_ptr[cos],
6369                                   CID_COS_TO_TX_ONLY_CID(fp->cid, cos, bp),
6370                                   FP_COS_TO_TXQ(fp, cos, bp),
6371                                   BNX2X_TX_SB_INDEX_BASE + cos, fp);
6372                 cids[cos] = fp->txdata_ptr[cos]->cid;
6373         }
6374
6375         /* nothing more for vf to do here */
6376         if (IS_VF(bp))
6377                 return;
6378
6379         bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
6380                       fp->fw_sb_id, fp->igu_sb_id);
6381         bnx2x_update_fpsb_idx(fp);
6382         bnx2x_init_queue_obj(bp, &bnx2x_sp_obj(bp, fp).q_obj, fp->cl_id, cids,
6383                              fp->max_cos, BP_FUNC(bp), bnx2x_sp(bp, q_rdata),
6384                              bnx2x_sp_mapping(bp, q_rdata), q_type);
6385
6386         /**
6387          * Configure classification DBs: Always enable Tx switching
6388          */
6389         bnx2x_init_vlan_mac_fp_objs(fp, BNX2X_OBJ_TYPE_RX_TX);
6390
6391         DP(NETIF_MSG_IFUP,
6392            "queue[%d]:  bnx2x_init_sb(%p,%p)  cl_id %d  fw_sb %d  igu_sb %d\n",
6393            fp_idx, bp, fp->status_blk.e2_sb, fp->cl_id, fp->fw_sb_id,
6394            fp->igu_sb_id);
6395 }
6396
6397 static void bnx2x_init_tx_ring_one(struct bnx2x_fp_txdata *txdata)
6398 {
6399         int i;
6400
6401         for (i = 1; i <= NUM_TX_RINGS; i++) {
6402                 struct eth_tx_next_bd *tx_next_bd =
6403                         &txdata->tx_desc_ring[TX_DESC_CNT * i - 1].next_bd;
6404
6405                 tx_next_bd->addr_hi =
6406                         cpu_to_le32(U64_HI(txdata->tx_desc_mapping +
6407                                     BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
6408                 tx_next_bd->addr_lo =
6409                         cpu_to_le32(U64_LO(txdata->tx_desc_mapping +
6410                                     BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
6411         }
6412
6413         *txdata->tx_cons_sb = cpu_to_le16(0);
6414
6415         SET_FLAG(txdata->tx_db.data.header.header, DOORBELL_HDR_DB_TYPE, 1);
6416         txdata->tx_db.data.zero_fill1 = 0;
6417         txdata->tx_db.data.prod = 0;
6418
6419         txdata->tx_pkt_prod = 0;
6420         txdata->tx_pkt_cons = 0;
6421         txdata->tx_bd_prod = 0;
6422         txdata->tx_bd_cons = 0;
6423         txdata->tx_pkt = 0;
6424 }
6425
6426 static void bnx2x_init_tx_rings_cnic(struct bnx2x *bp)
6427 {
6428         int i;
6429
6430         for_each_tx_queue_cnic(bp, i)
6431                 bnx2x_init_tx_ring_one(bp->fp[i].txdata_ptr[0]);
6432 }
6433
6434 static void bnx2x_init_tx_rings(struct bnx2x *bp)
6435 {
6436         int i;
6437         u8 cos;
6438
6439         for_each_eth_queue(bp, i)
6440                 for_each_cos_in_tx_queue(&bp->fp[i], cos)
6441                         bnx2x_init_tx_ring_one(bp->fp[i].txdata_ptr[cos]);
6442 }
6443
6444 static void bnx2x_init_fcoe_fp(struct bnx2x *bp)
6445 {
6446         struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
6447         unsigned long q_type = 0;
6448
6449         bnx2x_fcoe(bp, rx_queue) = BNX2X_NUM_ETH_QUEUES(bp);
6450         bnx2x_fcoe(bp, cl_id) = bnx2x_cnic_eth_cl_id(bp,
6451                                                      BNX2X_FCOE_ETH_CL_ID_IDX);
6452         bnx2x_fcoe(bp, cid) = BNX2X_FCOE_ETH_CID(bp);
6453         bnx2x_fcoe(bp, fw_sb_id) = DEF_SB_ID;
6454         bnx2x_fcoe(bp, igu_sb_id) = bp->igu_dsb_id;
6455         bnx2x_fcoe(bp, rx_cons_sb) = BNX2X_FCOE_L2_RX_INDEX;
6456         bnx2x_init_txdata(bp, bnx2x_fcoe(bp, txdata_ptr[0]),
6457                           fp->cid, FCOE_TXQ_IDX(bp), BNX2X_FCOE_L2_TX_INDEX,
6458                           fp);
6459
6460         DP(NETIF_MSG_IFUP, "created fcoe tx data (fp index %d)\n", fp->index);
6461
6462         /* qZone id equals to FW (per path) client id */
6463         bnx2x_fcoe(bp, cl_qzone_id) = bnx2x_fp_qzone_id(fp);
6464         /* init shortcut */
6465         bnx2x_fcoe(bp, ustorm_rx_prods_offset) =
6466                 bnx2x_rx_ustorm_prods_offset(fp);
6467
6468         /* Configure Queue State object */
6469         __set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
6470         __set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
6471
6472         /* No multi-CoS for FCoE L2 client */
6473         BUG_ON(fp->max_cos != 1);
6474
6475         bnx2x_init_queue_obj(bp, &bnx2x_sp_obj(bp, fp).q_obj, fp->cl_id,
6476                              &fp->cid, 1, BP_FUNC(bp), bnx2x_sp(bp, q_rdata),
6477                              bnx2x_sp_mapping(bp, q_rdata), q_type);
6478
6479         DP(NETIF_MSG_IFUP,
6480            "queue[%d]: bnx2x_init_sb(%p,%p) cl_id %d fw_sb %d igu_sb %d\n",
6481            fp->index, bp, fp->status_blk.e2_sb, fp->cl_id, fp->fw_sb_id,
6482            fp->igu_sb_id);
6483 }
6484
6485 void bnx2x_nic_init_cnic(struct bnx2x *bp)
6486 {
6487         if (!NO_FCOE(bp))
6488                 bnx2x_init_fcoe_fp(bp);
6489
6490         bnx2x_init_sb(bp, bp->cnic_sb_mapping,
6491                       BNX2X_VF_ID_INVALID, false,
6492                       bnx2x_cnic_fw_sb_id(bp), bnx2x_cnic_igu_sb_id(bp));
6493
6494         /* ensure status block indices were read */
6495         rmb();
6496         bnx2x_init_rx_rings_cnic(bp);
6497         bnx2x_init_tx_rings_cnic(bp);
6498
6499         /* flush all */
6500         mb();
6501         mmiowb();
6502 }
6503
6504 void bnx2x_pre_irq_nic_init(struct bnx2x *bp)
6505 {
6506         int i;
6507
6508         /* Setup NIC internals and enable interrupts */
6509         for_each_eth_queue(bp, i)
6510                 bnx2x_init_eth_fp(bp, i);
6511
6512         /* ensure status block indices were read */
6513         rmb();
6514         bnx2x_init_rx_rings(bp);
6515         bnx2x_init_tx_rings(bp);
6516
6517         if (IS_PF(bp)) {
6518                 /* Initialize MOD_ABS interrupts */
6519                 bnx2x_init_mod_abs_int(bp, &bp->link_vars, bp->common.chip_id,
6520                                        bp->common.shmem_base,
6521                                        bp->common.shmem2_base, BP_PORT(bp));
6522
6523                 /* initialize the default status block and sp ring */
6524                 bnx2x_init_def_sb(bp);
6525                 bnx2x_update_dsb_idx(bp);
6526                 bnx2x_init_sp_ring(bp);
6527         } else {
6528                 bnx2x_memset_stats(bp);
6529         }
6530 }
6531
6532 void bnx2x_post_irq_nic_init(struct bnx2x *bp, u32 load_code)
6533 {
6534         bnx2x_init_eq_ring(bp);
6535         bnx2x_init_internal(bp, load_code);
6536         bnx2x_pf_init(bp);
6537         bnx2x_stats_init(bp);
6538
6539         /* flush all before enabling interrupts */
6540         mb();
6541         mmiowb();
6542
6543         bnx2x_int_enable(bp);
6544
6545         /* Check for SPIO5 */
6546         bnx2x_attn_int_deasserted0(bp,
6547                 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
6548                                    AEU_INPUTS_ATTN_BITS_SPIO5);
6549 }
6550
6551 /* gzip service functions */
6552 static int bnx2x_gunzip_init(struct bnx2x *bp)
6553 {
6554         bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
6555                                             &bp->gunzip_mapping, GFP_KERNEL);
6556         if (bp->gunzip_buf  == NULL)
6557                 goto gunzip_nomem1;
6558
6559         bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
6560         if (bp->strm  == NULL)
6561                 goto gunzip_nomem2;
6562
6563         bp->strm->workspace = vmalloc(zlib_inflate_workspacesize());
6564         if (bp->strm->workspace == NULL)
6565                 goto gunzip_nomem3;
6566
6567         return 0;
6568
6569 gunzip_nomem3:
6570         kfree(bp->strm);
6571         bp->strm = NULL;
6572
6573 gunzip_nomem2:
6574         dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
6575                           bp->gunzip_mapping);
6576         bp->gunzip_buf = NULL;
6577
6578 gunzip_nomem1:
6579         BNX2X_ERR("Cannot allocate firmware buffer for un-compression\n");
6580         return -ENOMEM;
6581 }
6582
6583 static void bnx2x_gunzip_end(struct bnx2x *bp)
6584 {
6585         if (bp->strm) {
6586                 vfree(bp->strm->workspace);
6587                 kfree(bp->strm);
6588                 bp->strm = NULL;
6589         }
6590
6591         if (bp->gunzip_buf) {
6592                 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
6593                                   bp->gunzip_mapping);
6594                 bp->gunzip_buf = NULL;
6595         }
6596 }
6597
6598 static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
6599 {
6600         int n, rc;
6601
6602         /* check gzip header */
6603         if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
6604                 BNX2X_ERR("Bad gzip header\n");
6605                 return -EINVAL;
6606         }
6607
6608         n = 10;
6609
6610 #define FNAME                           0x8
6611
6612         if (zbuf[3] & FNAME)
6613                 while ((zbuf[n++] != 0) && (n < len));
6614
6615         bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
6616         bp->strm->avail_in = len - n;
6617         bp->strm->next_out = bp->gunzip_buf;
6618         bp->strm->avail_out = FW_BUF_SIZE;
6619
6620         rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
6621         if (rc != Z_OK)
6622                 return rc;
6623
6624         rc = zlib_inflate(bp->strm, Z_FINISH);
6625         if ((rc != Z_OK) && (rc != Z_STREAM_END))
6626                 netdev_err(bp->dev, "Firmware decompression error: %s\n",
6627                            bp->strm->msg);
6628
6629         bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
6630         if (bp->gunzip_outlen & 0x3)
6631                 netdev_err(bp->dev,
6632                            "Firmware decompression error: gunzip_outlen (%d) not aligned\n",
6633                                 bp->gunzip_outlen);
6634         bp->gunzip_outlen >>= 2;
6635
6636         zlib_inflateEnd(bp->strm);
6637
6638         if (rc == Z_STREAM_END)
6639                 return 0;
6640
6641         return rc;
6642 }
6643
6644 /* nic load/unload */
6645
6646 /*
6647  * General service functions
6648  */
6649
6650 /* send a NIG loopback debug packet */
6651 static void bnx2x_lb_pckt(struct bnx2x *bp)
6652 {
6653         u32 wb_write[3];
6654
6655         /* Ethernet source and destination addresses */
6656         wb_write[0] = 0x55555555;
6657         wb_write[1] = 0x55555555;
6658         wb_write[2] = 0x20;             /* SOP */
6659         REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
6660
6661         /* NON-IP protocol */
6662         wb_write[0] = 0x09000000;
6663         wb_write[1] = 0x55555555;
6664         wb_write[2] = 0x10;             /* EOP, eop_bvalid = 0 */
6665         REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
6666 }
6667
6668 /* some of the internal memories
6669  * are not directly readable from the driver
6670  * to test them we send debug packets
6671  */
6672 static int bnx2x_int_mem_test(struct bnx2x *bp)
6673 {
6674         int factor;
6675         int count, i;
6676         u32 val = 0;
6677
6678         if (CHIP_REV_IS_FPGA(bp))
6679                 factor = 120;
6680         else if (CHIP_REV_IS_EMUL(bp))
6681                 factor = 200;
6682         else
6683                 factor = 1;
6684
6685         /* Disable inputs of parser neighbor blocks */
6686         REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
6687         REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
6688         REG_WR(bp, CFC_REG_DEBUG0, 0x1);
6689         REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
6690
6691         /*  Write 0 to parser credits for CFC search request */
6692         REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
6693
6694         /* send Ethernet packet */
6695         bnx2x_lb_pckt(bp);
6696
6697         /* TODO do i reset NIG statistic? */
6698         /* Wait until NIG register shows 1 packet of size 0x10 */
6699         count = 1000 * factor;
6700         while (count) {
6701
6702                 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
6703                 val = *bnx2x_sp(bp, wb_data[0]);
6704                 if (val == 0x10)
6705                         break;
6706
6707                 usleep_range(10000, 20000);
6708                 count--;
6709         }
6710         if (val != 0x10) {
6711                 BNX2X_ERR("NIG timeout  val = 0x%x\n", val);
6712                 return -1;
6713         }
6714
6715         /* Wait until PRS register shows 1 packet */
6716         count = 1000 * factor;
6717         while (count) {
6718                 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
6719                 if (val == 1)
6720                         break;
6721
6722                 usleep_range(10000, 20000);
6723                 count--;
6724         }
6725         if (val != 0x1) {
6726                 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
6727                 return -2;
6728         }
6729
6730         /* Reset and init BRB, PRS */
6731         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
6732         msleep(50);
6733         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
6734         msleep(50);
6735         bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
6736         bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
6737
6738         DP(NETIF_MSG_HW, "part2\n");
6739
6740         /* Disable inputs of parser neighbor blocks */
6741         REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
6742         REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
6743         REG_WR(bp, CFC_REG_DEBUG0, 0x1);
6744         REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
6745
6746         /* Write 0 to parser credits for CFC search request */
6747         REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
6748
6749         /* send 10 Ethernet packets */
6750         for (i = 0; i < 10; i++)
6751                 bnx2x_lb_pckt(bp);
6752
6753         /* Wait until NIG register shows 10 + 1
6754            packets of size 11*0x10 = 0xb0 */
6755         count = 1000 * factor;
6756         while (count) {
6757
6758                 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
6759                 val = *bnx2x_sp(bp, wb_data[0]);
6760                 if (val == 0xb0)
6761                         break;
6762
6763                 usleep_range(10000, 20000);
6764                 count--;
6765         }
6766         if (val != 0xb0) {
6767                 BNX2X_ERR("NIG timeout  val = 0x%x\n", val);
6768                 return -3;
6769         }
6770
6771         /* Wait until PRS register shows 2 packets */
6772         val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
6773         if (val != 2)
6774                 BNX2X_ERR("PRS timeout  val = 0x%x\n", val);
6775
6776         /* Write 1 to parser credits for CFC search request */
6777         REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
6778
6779         /* Wait until PRS register shows 3 packets */
6780         msleep(10 * factor);
6781         /* Wait until NIG register shows 1 packet of size 0x10 */
6782         val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
6783         if (val != 3)
6784                 BNX2X_ERR("PRS timeout  val = 0x%x\n", val);
6785
6786         /* clear NIG EOP FIFO */
6787         for (i = 0; i < 11; i++)
6788                 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
6789         val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
6790         if (val != 1) {
6791                 BNX2X_ERR("clear of NIG failed\n");
6792                 return -4;
6793         }
6794
6795         /* Reset and init BRB, PRS, NIG */
6796         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
6797         msleep(50);
6798         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
6799         msleep(50);
6800         bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
6801         bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
6802         if (!CNIC_SUPPORT(bp))
6803                 /* set NIC mode */
6804                 REG_WR(bp, PRS_REG_NIC_MODE, 1);
6805
6806         /* Enable inputs of parser neighbor blocks */
6807         REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
6808         REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
6809         REG_WR(bp, CFC_REG_DEBUG0, 0x0);
6810         REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
6811
6812         DP(NETIF_MSG_HW, "done\n");
6813
6814         return 0; /* OK */
6815 }
6816
6817 static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
6818 {
6819         u32 val;
6820
6821         REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
6822         if (!CHIP_IS_E1x(bp))
6823                 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
6824         else
6825                 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
6826         REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
6827         REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
6828         /*
6829          * mask read length error interrupts in brb for parser
6830          * (parsing unit and 'checksum and crc' unit)
6831          * these errors are legal (PU reads fixed length and CAC can cause
6832          * read length error on truncated packets)
6833          */
6834         REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
6835         REG_WR(bp, QM_REG_QM_INT_MASK, 0);
6836         REG_WR(bp, TM_REG_TM_INT_MASK, 0);
6837         REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
6838         REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
6839         REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
6840 /*      REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
6841 /*      REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
6842         REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
6843         REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
6844         REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
6845 /*      REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
6846 /*      REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
6847         REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
6848         REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
6849         REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
6850         REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
6851 /*      REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
6852 /*      REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
6853
6854         val = PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT  |
6855                 PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF |
6856                 PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN;
6857         if (!CHIP_IS_E1x(bp))
6858                 val |= PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED |
6859                         PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED;
6860         REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, val);
6861
6862         REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
6863         REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
6864         REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
6865 /*      REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
6866
6867         if (!CHIP_IS_E1x(bp))
6868                 /* enable VFC attentions: bits 11 and 12, bits 31:13 reserved */
6869                 REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0x07ff);
6870
6871         REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
6872         REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
6873 /*      REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
6874         REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18);         /* bit 3,4 masked */
6875 }
6876
6877 static void bnx2x_reset_common(struct bnx2x *bp)
6878 {
6879         u32 val = 0x1400;
6880
6881         /* reset_common */
6882         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6883                0xd3ffff7f);
6884
6885         if (CHIP_IS_E3(bp)) {
6886                 val |= MISC_REGISTERS_RESET_REG_2_MSTAT0;
6887                 val |= MISC_REGISTERS_RESET_REG_2_MSTAT1;
6888         }
6889
6890         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, val);
6891 }
6892
6893 static void bnx2x_setup_dmae(struct bnx2x *bp)
6894 {
6895         bp->dmae_ready = 0;
6896         spin_lock_init(&bp->dmae_lock);
6897 }
6898
6899 static void bnx2x_init_pxp(struct bnx2x *bp)
6900 {
6901         u16 devctl;
6902         int r_order, w_order;
6903
6904         pcie_capability_read_word(bp->pdev, PCI_EXP_DEVCTL, &devctl);
6905         DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
6906         w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
6907         if (bp->mrrs == -1)
6908                 r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
6909         else {
6910                 DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
6911                 r_order = bp->mrrs;
6912         }
6913
6914         bnx2x_init_pxp_arb(bp, r_order, w_order);
6915 }
6916
6917 static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
6918 {
6919         int is_required;
6920         u32 val;
6921         int port;
6922
6923         if (BP_NOMCP(bp))
6924                 return;
6925
6926         is_required = 0;
6927         val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
6928               SHARED_HW_CFG_FAN_FAILURE_MASK;
6929
6930         if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
6931                 is_required = 1;
6932
6933         /*
6934          * The fan failure mechanism is usually related to the PHY type since
6935          * the power consumption of the board is affected by the PHY. Currently,
6936          * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
6937          */
6938         else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
6939                 for (port = PORT_0; port < PORT_MAX; port++) {
6940                         is_required |=
6941                                 bnx2x_fan_failure_det_req(
6942                                         bp,
6943                                         bp->common.shmem_base,
6944                                         bp->common.shmem2_base,
6945                                         port);
6946                 }
6947
6948         DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);
6949
6950         if (is_required == 0)
6951                 return;
6952
6953         /* Fan failure is indicated by SPIO 5 */
6954         bnx2x_set_spio(bp, MISC_SPIO_SPIO5, MISC_SPIO_INPUT_HI_Z);
6955
6956         /* set to active low mode */
6957         val = REG_RD(bp, MISC_REG_SPIO_INT);
6958         val |= (MISC_SPIO_SPIO5 << MISC_SPIO_INT_OLD_SET_POS);
6959         REG_WR(bp, MISC_REG_SPIO_INT, val);
6960
6961         /* enable interrupt to signal the IGU */
6962         val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
6963         val |= MISC_SPIO_SPIO5;
6964         REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
6965 }
6966
6967 void bnx2x_pf_disable(struct bnx2x *bp)
6968 {
6969         u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
6970         val &= ~IGU_PF_CONF_FUNC_EN;
6971
6972         REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
6973         REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
6974         REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
6975 }
6976
6977 static void bnx2x__common_init_phy(struct bnx2x *bp)
6978 {
6979         u32 shmem_base[2], shmem2_base[2];
6980         /* Avoid common init in case MFW supports LFA */
6981         if (SHMEM2_RD(bp, size) >
6982             (u32)offsetof(struct shmem2_region, lfa_host_addr[BP_PORT(bp)]))
6983                 return;
6984         shmem_base[0] =  bp->common.shmem_base;
6985         shmem2_base[0] = bp->common.shmem2_base;
6986         if (!CHIP_IS_E1x(bp)) {
6987                 shmem_base[1] =
6988                         SHMEM2_RD(bp, other_shmem_base_addr);
6989                 shmem2_base[1] =
6990                         SHMEM2_RD(bp, other_shmem2_base_addr);
6991         }
6992         bnx2x_acquire_phy_lock(bp);
6993         bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
6994                               bp->common.chip_id);
6995         bnx2x_release_phy_lock(bp);
6996 }
6997
6998 static void bnx2x_config_endianity(struct bnx2x *bp, u32 val)
6999 {
7000         REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, val);
7001         REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, val);
7002         REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, val);
7003         REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, val);
7004         REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, val);
7005
7006         /* make sure this value is 0 */
7007         REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
7008
7009         REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, val);
7010         REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, val);
7011         REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, val);
7012         REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, val);
7013 }
7014
7015 static void bnx2x_set_endianity(struct bnx2x *bp)
7016 {
7017 #ifdef __BIG_ENDIAN
7018         bnx2x_config_endianity(bp, 1);
7019 #else
7020         bnx2x_config_endianity(bp, 0);
7021 #endif
7022 }
7023
7024 static void bnx2x_reset_endianity(struct bnx2x *bp)
7025 {
7026         bnx2x_config_endianity(bp, 0);
7027 }
7028
7029 /**
7030  * bnx2x_init_hw_common - initialize the HW at the COMMON phase.
7031  *
7032  * @bp:         driver handle
7033  */
7034 static int bnx2x_init_hw_common(struct bnx2x *bp)
7035 {
7036         u32 val;
7037
7038         DP(NETIF_MSG_HW, "starting common init  func %d\n", BP_ABS_FUNC(bp));
7039
7040         /*
7041          * take the RESET lock to protect undi_unload flow from accessing
7042          * registers while we're resetting the chip
7043          */
7044         bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
7045
7046         bnx2x_reset_common(bp);
7047         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
7048
7049         val = 0xfffc;
7050         if (CHIP_IS_E3(bp)) {
7051                 val |= MISC_REGISTERS_RESET_REG_2_MSTAT0;
7052                 val |= MISC_REGISTERS_RESET_REG_2_MSTAT1;
7053         }
7054         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, val);
7055
7056         bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
7057
7058         bnx2x_init_block(bp, BLOCK_MISC, PHASE_COMMON);
7059
7060         if (!CHIP_IS_E1x(bp)) {
7061                 u8 abs_func_id;
7062
7063                 /**
7064                  * 4-port mode or 2-port mode we need to turn of master-enable
7065                  * for everyone, after that, turn it back on for self.
7066                  * so, we disregard multi-function or not, and always disable
7067                  * for all functions on the given path, this means 0,2,4,6 for
7068                  * path 0 and 1,3,5,7 for path 1
7069                  */
7070                 for (abs_func_id = BP_PATH(bp);
7071                      abs_func_id < E2_FUNC_MAX*2; abs_func_id += 2) {
7072                         if (abs_func_id == BP_ABS_FUNC(bp)) {
7073                                 REG_WR(bp,
7074                                     PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
7075                                     1);
7076                                 continue;
7077                         }
7078
7079                         bnx2x_pretend_func(bp, abs_func_id);
7080                         /* clear pf enable */
7081                         bnx2x_pf_disable(bp);
7082                         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
7083                 }
7084         }
7085
7086         bnx2x_init_block(bp, BLOCK_PXP, PHASE_COMMON);
7087         if (CHIP_IS_E1(bp)) {
7088                 /* enable HW interrupt from PXP on USDM overflow
7089                    bit 16 on INT_MASK_0 */
7090                 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
7091         }
7092
7093         bnx2x_init_block(bp, BLOCK_PXP2, PHASE_COMMON);
7094         bnx2x_init_pxp(bp);
7095         bnx2x_set_endianity(bp);
7096         bnx2x_ilt_init_page_size(bp, INITOP_SET);
7097
7098         if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
7099                 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
7100
7101         /* let the HW do it's magic ... */
7102         msleep(100);
7103         /* finish PXP init */
7104         val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
7105         if (val != 1) {
7106                 BNX2X_ERR("PXP2 CFG failed\n");
7107                 return -EBUSY;
7108         }
7109         val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
7110         if (val != 1) {
7111                 BNX2X_ERR("PXP2 RD_INIT failed\n");
7112                 return -EBUSY;
7113         }
7114
7115         /* Timers bug workaround E2 only. We need to set the entire ILT to
7116          * have entries with value "0" and valid bit on.
7117          * This needs to be done by the first PF that is loaded in a path
7118          * (i.e. common phase)
7119          */
7120         if (!CHIP_IS_E1x(bp)) {
7121 /* In E2 there is a bug in the timers block that can cause function 6 / 7
7122  * (i.e. vnic3) to start even if it is marked as "scan-off".
7123  * This occurs when a different function (func2,3) is being marked
7124  * as "scan-off". Real-life scenario for example: if a driver is being
7125  * load-unloaded while func6,7 are down. This will cause the timer to access
7126  * the ilt, translate to a logical address and send a request to read/write.
7127  * Since the ilt for the function that is down is not valid, this will cause
7128  * a translation error which is unrecoverable.
7129  * The Workaround is intended to make sure that when this happens nothing fatal
7130  * will occur. The workaround:
7131  *      1.  First PF driver which loads on a path will:
7132  *              a.  After taking the chip out of reset, by using pretend,
7133  *                  it will write "0" to the following registers of
7134  *                  the other vnics.
7135  *                  REG_WR(pdev, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
7136  *                  REG_WR(pdev, CFC_REG_WEAK_ENABLE_PF,0);
7137  *                  REG_WR(pdev, CFC_REG_STRONG_ENABLE_PF,0);
7138  *                  And for itself it will write '1' to
7139  *                  PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER to enable
7140  *                  dmae-operations (writing to pram for example.)
7141  *                  note: can be done for only function 6,7 but cleaner this
7142  *                        way.
7143  *              b.  Write zero+valid to the entire ILT.
7144  *              c.  Init the first_timers_ilt_entry, last_timers_ilt_entry of
7145  *                  VNIC3 (of that port). The range allocated will be the
7146  *                  entire ILT. This is needed to prevent  ILT range error.
7147  *      2.  Any PF driver load flow:
7148  *              a.  ILT update with the physical addresses of the allocated
7149  *                  logical pages.
7150  *              b.  Wait 20msec. - note that this timeout is needed to make
7151  *                  sure there are no requests in one of the PXP internal
7152  *                  queues with "old" ILT addresses.
7153  *              c.  PF enable in the PGLC.
7154  *              d.  Clear the was_error of the PF in the PGLC. (could have
7155  *                  occurred while driver was down)
7156  *              e.  PF enable in the CFC (WEAK + STRONG)
7157  *              f.  Timers scan enable
7158  *      3.  PF driver unload flow:
7159  *              a.  Clear the Timers scan_en.
7160  *              b.  Polling for scan_on=0 for that PF.
7161  *              c.  Clear the PF enable bit in the PXP.
7162  *              d.  Clear the PF enable in the CFC (WEAK + STRONG)
7163  *              e.  Write zero+valid to all ILT entries (The valid bit must
7164  *                  stay set)
7165  *              f.  If this is VNIC 3 of a port then also init
7166  *                  first_timers_ilt_entry to zero and last_timers_ilt_entry
7167  *                  to the last entry in the ILT.
7168  *
7169  *      Notes:
7170  *      Currently the PF error in the PGLC is non recoverable.
7171  *      In the future the there will be a recovery routine for this error.
7172  *      Currently attention is masked.
7173  *      Having an MCP lock on the load/unload process does not guarantee that
7174  *      there is no Timer disable during Func6/7 enable. This is because the
7175  *      Timers scan is currently being cleared by the MCP on FLR.
7176  *      Step 2.d can be done only for PF6/7 and the driver can also check if
7177  *      there is error before clearing it. But the flow above is simpler and
7178  *      more general.
7179  *      All ILT entries are written by zero+valid and not just PF6/7
7180  *      ILT entries since in the future the ILT entries allocation for
7181  *      PF-s might be dynamic.
7182  */
7183                 struct ilt_client_info ilt_cli;
7184                 struct bnx2x_ilt ilt;
7185                 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
7186                 memset(&ilt, 0, sizeof(struct bnx2x_ilt));
7187
7188                 /* initialize dummy TM client */
7189                 ilt_cli.start = 0;
7190                 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
7191                 ilt_cli.client_num = ILT_CLIENT_TM;
7192
7193                 /* Step 1: set zeroes to all ilt page entries with valid bit on
7194                  * Step 2: set the timers first/last ilt entry to point
7195                  * to the entire range to prevent ILT range error for 3rd/4th
7196                  * vnic (this code assumes existence of the vnic)
7197                  *
7198                  * both steps performed by call to bnx2x_ilt_client_init_op()
7199                  * with dummy TM client
7200                  *
7201                  * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
7202                  * and his brother are split registers
7203                  */
7204                 bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
7205                 bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
7206                 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
7207
7208                 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
7209                 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
7210                 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
7211         }
7212
7213         REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
7214         REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
7215
7216         if (!CHIP_IS_E1x(bp)) {
7217                 int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
7218                                 (CHIP_REV_IS_FPGA(bp) ? 400 : 0);
7219                 bnx2x_init_block(bp, BLOCK_PGLUE_B, PHASE_COMMON);
7220
7221                 bnx2x_init_block(bp, BLOCK_ATC, PHASE_COMMON);
7222
7223                 /* let the HW do it's magic ... */
7224                 do {
7225                         msleep(200);
7226                         val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
7227                 } while (factor-- && (val != 1));
7228
7229                 if (val != 1) {
7230                         BNX2X_ERR("ATC_INIT failed\n");
7231                         return -EBUSY;
7232                 }
7233         }
7234
7235         bnx2x_init_block(bp, BLOCK_DMAE, PHASE_COMMON);
7236
7237         bnx2x_iov_init_dmae(bp);
7238
7239         /* clean the DMAE memory */
7240         bp->dmae_ready = 1;
7241         bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8, 1);
7242
7243         bnx2x_init_block(bp, BLOCK_TCM, PHASE_COMMON);
7244
7245         bnx2x_init_block(bp, BLOCK_UCM, PHASE_COMMON);
7246
7247         bnx2x_init_block(bp, BLOCK_CCM, PHASE_COMMON);
7248
7249         bnx2x_init_block(bp, BLOCK_XCM, PHASE_COMMON);
7250
7251         bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
7252         bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
7253         bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
7254         bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
7255
7256         bnx2x_init_block(bp, BLOCK_QM, PHASE_COMMON);
7257
7258         /* QM queues pointers table */
7259         bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);
7260
7261         /* soft reset pulse */
7262         REG_WR(bp, QM_REG_SOFT_RESET, 1);
7263         REG_WR(bp, QM_REG_SOFT_RESET, 0);
7264
7265         if (CNIC_SUPPORT(bp))
7266                 bnx2x_init_block(bp, BLOCK_TM, PHASE_COMMON);
7267
7268         bnx2x_init_block(bp, BLOCK_DORQ, PHASE_COMMON);
7269
7270         if (!CHIP_REV_IS_SLOW(bp))
7271                 /* enable hw interrupt from doorbell Q */
7272                 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
7273
7274         bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
7275
7276         bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
7277         REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
7278
7279         if (!CHIP_IS_E1(bp))
7280                 REG_WR(bp, PRS_REG_E1HOV_MODE, bp->path_has_ovlan);
7281
7282         if (!CHIP_IS_E1x(bp) && !CHIP_IS_E3B0(bp)) {
7283                 if (IS_MF_AFEX(bp)) {
7284                         /* configure that VNTag and VLAN headers must be
7285                          * received in afex mode
7286                          */
7287                         REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC, 0xE);
7288                         REG_WR(bp, PRS_REG_MUST_HAVE_HDRS, 0xA);
7289                         REG_WR(bp, PRS_REG_HDRS_AFTER_TAG_0, 0x6);
7290                         REG_WR(bp, PRS_REG_TAG_ETHERTYPE_0, 0x8926);
7291                         REG_WR(bp, PRS_REG_TAG_LEN_0, 0x4);
7292                 } else {
7293                         /* Bit-map indicating which L2 hdrs may appear
7294                          * after the basic Ethernet header
7295                          */
7296                         REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC,
7297                                bp->path_has_ovlan ? 7 : 6);
7298                 }
7299         }
7300
7301         bnx2x_init_block(bp, BLOCK_TSDM, PHASE_COMMON);
7302         bnx2x_init_block(bp, BLOCK_CSDM, PHASE_COMMON);
7303         bnx2x_init_block(bp, BLOCK_USDM, PHASE_COMMON);
7304         bnx2x_init_block(bp, BLOCK_XSDM, PHASE_COMMON);
7305
7306         if (!CHIP_IS_E1x(bp)) {
7307                 /* reset VFC memories */
7308                 REG_WR(bp, TSEM_REG_FAST_MEMORY + VFC_REG_MEMORIES_RST,
7309                            VFC_MEMORIES_RST_REG_CAM_RST |
7310                            VFC_MEMORIES_RST_REG_RAM_RST);
7311                 REG_WR(bp, XSEM_REG_FAST_MEMORY + VFC_REG_MEMORIES_RST,
7312                            VFC_MEMORIES_RST_REG_CAM_RST |
7313                            VFC_MEMORIES_RST_REG_RAM_RST);
7314
7315                 msleep(20);
7316         }
7317
7318         bnx2x_init_block(bp, BLOCK_TSEM, PHASE_COMMON);
7319         bnx2x_init_block(bp, BLOCK_USEM, PHASE_COMMON);
7320         bnx2x_init_block(bp, BLOCK_CSEM, PHASE_COMMON);
7321         bnx2x_init_block(bp, BLOCK_XSEM, PHASE_COMMON);
7322
7323         /* sync semi rtc */
7324         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
7325                0x80000000);
7326         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
7327                0x80000000);
7328
7329         bnx2x_init_block(bp, BLOCK_UPB, PHASE_COMMON);
7330         bnx2x_init_block(bp, BLOCK_XPB, PHASE_COMMON);
7331         bnx2x_init_block(bp, BLOCK_PBF, PHASE_COMMON);
7332
7333         if (!CHIP_IS_E1x(bp)) {
7334                 if (IS_MF_AFEX(bp)) {
7335                         /* configure that VNTag and VLAN headers must be
7336                          * sent in afex mode
7337                          */
7338                         REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC, 0xE);
7339                         REG_WR(bp, PBF_REG_MUST_HAVE_HDRS, 0xA);
7340                         REG_WR(bp, PBF_REG_HDRS_AFTER_TAG_0, 0x6);
7341                         REG_WR(bp, PBF_REG_TAG_ETHERTYPE_0, 0x8926);
7342                         REG_WR(bp, PBF_REG_TAG_LEN_0, 0x4);
7343                 } else {
7344                         REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC,
7345                                bp->path_has_ovlan ? 7 : 6);
7346                 }
7347         }
7348
7349         REG_WR(bp, SRC_REG_SOFT_RST, 1);
7350
7351         bnx2x_init_block(bp, BLOCK_SRC, PHASE_COMMON);
7352
7353         if (CNIC_SUPPORT(bp)) {
7354                 REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
7355                 REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
7356                 REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
7357                 REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
7358                 REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
7359                 REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
7360                 REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
7361                 REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
7362                 REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
7363                 REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
7364         }
7365         REG_WR(bp, SRC_REG_SOFT_RST, 0);
7366
7367         if (sizeof(union cdu_context) != 1024)
7368                 /* we currently assume that a context is 1024 bytes */
7369                 dev_alert(&bp->pdev->dev,
7370                           "please adjust the size of cdu_context(%ld)\n",
7371                           (long)sizeof(union cdu_context));
7372
7373         bnx2x_init_block(bp, BLOCK_CDU, PHASE_COMMON);
7374         val = (4 << 24) + (0 << 12) + 1024;
7375         REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
7376
7377         bnx2x_init_block(bp, BLOCK_CFC, PHASE_COMMON);
7378         REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
7379         /* enable context validation interrupt from CFC */
7380         REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
7381
7382         /* set the thresholds to prevent CFC/CDU race */
7383         REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
7384
7385         bnx2x_init_block(bp, BLOCK_HC, PHASE_COMMON);
7386
7387         if (!CHIP_IS_E1x(bp) && BP_NOMCP(bp))
7388                 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);
7389
7390         bnx2x_init_block(bp, BLOCK_IGU, PHASE_COMMON);
7391         bnx2x_init_block(bp, BLOCK_MISC_AEU, PHASE_COMMON);
7392
7393         /* Reset PCIE errors for debug */
7394         REG_WR(bp, 0x2814, 0xffffffff);
7395         REG_WR(bp, 0x3820, 0xffffffff);
7396
7397         if (!CHIP_IS_E1x(bp)) {
7398                 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
7399                            (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
7400                                 PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
7401                 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
7402                            (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
7403                                 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
7404                                 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
7405                 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
7406                            (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
7407                                 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
7408                                 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
7409         }
7410
7411         bnx2x_init_block(bp, BLOCK_NIG, PHASE_COMMON);
7412         if (!CHIP_IS_E1(bp)) {
7413                 /* in E3 this done in per-port section */
7414                 if (!CHIP_IS_E3(bp))
7415                         REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
7416         }
7417         if (CHIP_IS_E1H(bp))
7418                 /* not applicable for E2 (and above ...) */
7419                 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
7420
7421         if (CHIP_REV_IS_SLOW(bp))
7422                 msleep(200);
7423
7424         /* finish CFC init */
7425         val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
7426         if (val != 1) {
7427                 BNX2X_ERR("CFC LL_INIT failed\n");
7428                 return -EBUSY;
7429         }
7430         val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
7431         if (val != 1) {
7432                 BNX2X_ERR("CFC AC_INIT failed\n");
7433                 return -EBUSY;
7434         }
7435         val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
7436         if (val != 1) {
7437                 BNX2X_ERR("CFC CAM_INIT failed\n");
7438                 return -EBUSY;
7439         }
7440         REG_WR(bp, CFC_REG_DEBUG0, 0);
7441
7442         if (CHIP_IS_E1(bp)) {
7443                 /* read NIG statistic
7444                    to see if this is our first up since powerup */
7445                 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
7446                 val = *bnx2x_sp(bp, wb_data[0]);
7447
7448                 /* do internal memory self test */
7449                 if ((val == 0) && bnx2x_int_mem_test(bp)) {
7450                         BNX2X_ERR("internal mem self test failed\n");
7451                         return -EBUSY;
7452                 }
7453         }
7454
7455         bnx2x_setup_fan_failure_detection(bp);
7456
7457         /* clear PXP2 attentions */
7458         REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
7459
7460         bnx2x_enable_blocks_attention(bp);
7461         bnx2x_enable_blocks_parity(bp);
7462
7463         if (!BP_NOMCP(bp)) {
7464                 if (CHIP_IS_E1x(bp))
7465                         bnx2x__common_init_phy(bp);
7466         } else
7467                 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
7468
7469         if (SHMEM2_HAS(bp, netproc_fw_ver))
7470                 SHMEM2_WR(bp, netproc_fw_ver, REG_RD(bp, XSEM_REG_PRAM));
7471
7472         return 0;
7473 }
7474
7475 /**
7476  * bnx2x_init_hw_common_chip - init HW at the COMMON_CHIP phase.
7477  *
7478  * @bp:         driver handle
7479  */
7480 static int bnx2x_init_hw_common_chip(struct bnx2x *bp)
7481 {
7482         int rc = bnx2x_init_hw_common(bp);
7483
7484         if (rc)
7485                 return rc;
7486
7487         /* In E2 2-PORT mode, same ext phy is used for the two paths */
7488         if (!BP_NOMCP(bp))
7489                 bnx2x__common_init_phy(bp);
7490
7491         return 0;
7492 }
7493
7494 static int bnx2x_init_hw_port(struct bnx2x *bp)
7495 {
7496         int port = BP_PORT(bp);
7497         int init_phase = port ? PHASE_PORT1 : PHASE_PORT0;
7498         u32 low, high;
7499         u32 val, reg;
7500
7501         DP(NETIF_MSG_HW, "starting port init  port %d\n", port);
7502
7503         REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
7504
7505         bnx2x_init_block(bp, BLOCK_MISC, init_phase);
7506         bnx2x_init_block(bp, BLOCK_PXP, init_phase);
7507         bnx2x_init_block(bp, BLOCK_PXP2, init_phase);
7508
7509         /* Timers bug workaround: disables the pf_master bit in pglue at
7510          * common phase, we need to enable it here before any dmae access are
7511          * attempted. Therefore we manually added the enable-master to the
7512          * port phase (it also happens in the function phase)
7513          */
7514         if (!CHIP_IS_E1x(bp))
7515                 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
7516
7517         bnx2x_init_block(bp, BLOCK_ATC, init_phase);
7518         bnx2x_init_block(bp, BLOCK_DMAE, init_phase);
7519         bnx2x_init_block(bp, BLOCK_PGLUE_B, init_phase);
7520         bnx2x_init_block(bp, BLOCK_QM, init_phase);
7521
7522         bnx2x_init_block(bp, BLOCK_TCM, init_phase);
7523         bnx2x_init_block(bp, BLOCK_UCM, init_phase);
7524         bnx2x_init_block(bp, BLOCK_CCM, init_phase);
7525         bnx2x_init_block(bp, BLOCK_XCM, init_phase);
7526
7527         /* QM cid (connection) count */
7528         bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
7529
7530         if (CNIC_SUPPORT(bp)) {
7531                 bnx2x_init_block(bp, BLOCK_TM, init_phase);
7532                 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
7533                 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
7534         }
7535
7536         bnx2x_init_block(bp, BLOCK_DORQ, init_phase);
7537
7538         bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
7539
7540         if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
7541
7542                 if (IS_MF(bp))
7543                         low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
7544                 else if (bp->dev->mtu > 4096) {
7545                         if (bp->flags & ONE_PORT_FLAG)
7546                                 low = 160;
7547                         else {
7548                                 val = bp->dev->mtu;
7549                                 /* (24*1024 + val*4)/256 */
7550                                 low = 96 + (val/64) +
7551                                                 ((val % 64) ? 1 : 0);
7552                         }
7553                 } else
7554                         low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
7555                 high = low + 56;        /* 14*1024/256 */
7556                 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
7557                 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
7558         }
7559
7560         if (CHIP_MODE_IS_4_PORT(bp))
7561                 REG_WR(bp, (BP_PORT(bp) ?
7562                             BRB1_REG_MAC_GUARANTIED_1 :
7563                             BRB1_REG_MAC_GUARANTIED_0), 40);
7564
7565         bnx2x_init_block(bp, BLOCK_PRS, init_phase);
7566         if (CHIP_IS_E3B0(bp)) {
7567                 if (IS_MF_AFEX(bp)) {
7568                         /* configure headers for AFEX mode */
7569                         REG_WR(bp, BP_PORT(bp) ?
7570                                PRS_REG_HDRS_AFTER_BASIC_PORT_1 :
7571                                PRS_REG_HDRS_AFTER_BASIC_PORT_0, 0xE);
7572                         REG_WR(bp, BP_PORT(bp) ?
7573                                PRS_REG_HDRS_AFTER_TAG_0_PORT_1 :
7574                                PRS_REG_HDRS_AFTER_TAG_0_PORT_0, 0x6);
7575                         REG_WR(bp, BP_PORT(bp) ?
7576                                PRS_REG_MUST_HAVE_HDRS_PORT_1 :
7577                                PRS_REG_MUST_HAVE_HDRS_PORT_0, 0xA);
7578                 } else {
7579                         /* Ovlan exists only if we are in multi-function +
7580                          * switch-dependent mode, in switch-independent there
7581                          * is no ovlan headers
7582                          */
7583                         REG_WR(bp, BP_PORT(bp) ?
7584                                PRS_REG_HDRS_AFTER_BASIC_PORT_1 :
7585                                PRS_REG_HDRS_AFTER_BASIC_PORT_0,
7586                                (bp->path_has_ovlan ? 7 : 6));
7587                 }
7588         }
7589
7590         bnx2x_init_block(bp, BLOCK_TSDM, init_phase);
7591         bnx2x_init_block(bp, BLOCK_CSDM, init_phase);
7592         bnx2x_init_block(bp, BLOCK_USDM, init_phase);
7593         bnx2x_init_block(bp, BLOCK_XSDM, init_phase);
7594
7595         bnx2x_init_block(bp, BLOCK_TSEM, init_phase);
7596         bnx2x_init_block(bp, BLOCK_USEM, init_phase);
7597         bnx2x_init_block(bp, BLOCK_CSEM, init_phase);
7598         bnx2x_init_block(bp, BLOCK_XSEM, init_phase);
7599
7600         bnx2x_init_block(bp, BLOCK_UPB, init_phase);
7601         bnx2x_init_block(bp, BLOCK_XPB, init_phase);
7602
7603         bnx2x_init_block(bp, BLOCK_PBF, init_phase);
7604
7605         if (CHIP_IS_E1x(bp)) {
7606                 /* configure PBF to work without PAUSE mtu 9000 */
7607                 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
7608
7609                 /* update threshold */
7610                 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
7611                 /* update init credit */
7612                 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
7613
7614                 /* probe changes */
7615                 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
7616                 udelay(50);
7617                 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
7618         }
7619
7620         if (CNIC_SUPPORT(bp))
7621                 bnx2x_init_block(bp, BLOCK_SRC, init_phase);
7622
7623         bnx2x_init_block(bp, BLOCK_CDU, init_phase);
7624         bnx2x_init_block(bp, BLOCK_CFC, init_phase);
7625
7626         if (CHIP_IS_E1(bp)) {
7627                 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
7628                 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
7629         }
7630         bnx2x_init_block(bp, BLOCK_HC, init_phase);
7631
7632         bnx2x_init_block(bp, BLOCK_IGU, init_phase);
7633
7634         bnx2x_init_block(bp, BLOCK_MISC_AEU, init_phase);
7635         /* init aeu_mask_attn_func_0/1:
7636          *  - SF mode: bits 3-7 are masked. Only bits 0-2 are in use
7637          *  - MF mode: bit 3 is masked. Bits 0-2 are in use as in SF
7638          *             bits 4-7 are used for "per vn group attention" */
7639         val = IS_MF(bp) ? 0xF7 : 0x7;
7640         /* Enable DCBX attention for all but E1 */
7641         val |= CHIP_IS_E1(bp) ? 0 : 0x10;
7642         REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
7643
7644         /* SCPAD_PARITY should NOT trigger close the gates */
7645         reg = port ? MISC_REG_AEU_ENABLE4_NIG_1 : MISC_REG_AEU_ENABLE4_NIG_0;
7646         REG_WR(bp, reg,
7647                REG_RD(bp, reg) &
7648                ~AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY);
7649
7650         reg = port ? MISC_REG_AEU_ENABLE4_PXP_1 : MISC_REG_AEU_ENABLE4_PXP_0;
7651         REG_WR(bp, reg,
7652                REG_RD(bp, reg) &
7653                ~AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY);
7654
7655         bnx2x_init_block(bp, BLOCK_NIG, init_phase);
7656
7657         if (!CHIP_IS_E1x(bp)) {
7658                 /* Bit-map indicating which L2 hdrs may appear after the
7659                  * basic Ethernet header
7660                  */
7661                 if (IS_MF_AFEX(bp))
7662                         REG_WR(bp, BP_PORT(bp) ?
7663                                NIG_REG_P1_HDRS_AFTER_BASIC :
7664                                NIG_REG_P0_HDRS_AFTER_BASIC, 0xE);
7665                 else
7666                         REG_WR(bp, BP_PORT(bp) ?
7667                                NIG_REG_P1_HDRS_AFTER_BASIC :
7668                                NIG_REG_P0_HDRS_AFTER_BASIC,
7669                                IS_MF_SD(bp) ? 7 : 6);
7670
7671                 if (CHIP_IS_E3(bp))
7672                         REG_WR(bp, BP_PORT(bp) ?
7673                                    NIG_REG_LLH1_MF_MODE :
7674                                    NIG_REG_LLH_MF_MODE, IS_MF(bp));
7675         }
7676         if (!CHIP_IS_E3(bp))
7677                 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
7678
7679         if (!CHIP_IS_E1(bp)) {
7680                 /* 0x2 disable mf_ov, 0x1 enable */
7681                 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
7682                        (IS_MF_SD(bp) ? 0x1 : 0x2));
7683
7684                 if (!CHIP_IS_E1x(bp)) {
7685                         val = 0;
7686                         switch (bp->mf_mode) {
7687                         case MULTI_FUNCTION_SD:
7688                                 val = 1;
7689                                 break;
7690                         case MULTI_FUNCTION_SI:
7691                         case MULTI_FUNCTION_AFEX:
7692                                 val = 2;
7693                                 break;
7694                         }
7695
7696                         REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
7697                                                   NIG_REG_LLH0_CLS_TYPE), val);
7698                 }
7699                 {
7700                         REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
7701                         REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
7702                         REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
7703                 }
7704         }
7705
7706         /* If SPIO5 is set to generate interrupts, enable it for this port */
7707         val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
7708         if (val & MISC_SPIO_SPIO5) {
7709                 u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
7710                                        MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
7711                 val = REG_RD(bp, reg_addr);
7712                 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
7713                 REG_WR(bp, reg_addr, val);
7714         }
7715
7716         return 0;
7717 }
7718
7719 static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
7720 {
7721         int reg;
7722         u32 wb_write[2];
7723
7724         if (CHIP_IS_E1(bp))
7725                 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
7726         else
7727                 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
7728
7729         wb_write[0] = ONCHIP_ADDR1(addr);
7730         wb_write[1] = ONCHIP_ADDR2(addr);
7731         REG_WR_DMAE(bp, reg, wb_write, 2);
7732 }
7733
7734 void bnx2x_igu_clear_sb_gen(struct bnx2x *bp, u8 func, u8 idu_sb_id, bool is_pf)
7735 {
7736         u32 data, ctl, cnt = 100;
7737         u32 igu_addr_data = IGU_REG_COMMAND_REG_32LSB_DATA;
7738         u32 igu_addr_ctl = IGU_REG_COMMAND_REG_CTRL;
7739         u32 igu_addr_ack = IGU_REG_CSTORM_TYPE_0_SB_CLEANUP + (idu_sb_id/32)*4;
7740         u32 sb_bit =  1 << (idu_sb_id%32);
7741         u32 func_encode = func | (is_pf ? 1 : 0) << IGU_FID_ENCODE_IS_PF_SHIFT;
7742         u32 addr_encode = IGU_CMD_E2_PROD_UPD_BASE + idu_sb_id;
7743
7744         /* Not supported in BC mode */
7745         if (CHIP_INT_MODE_IS_BC(bp))
7746                 return;
7747
7748         data = (IGU_USE_REGISTER_cstorm_type_0_sb_cleanup
7749                         << IGU_REGULAR_CLEANUP_TYPE_SHIFT)      |
7750                 IGU_REGULAR_CLEANUP_SET                         |
7751                 IGU_REGULAR_BCLEANUP;
7752
7753         ctl = addr_encode << IGU_CTRL_REG_ADDRESS_SHIFT         |
7754               func_encode << IGU_CTRL_REG_FID_SHIFT             |
7755               IGU_CTRL_CMD_TYPE_WR << IGU_CTRL_REG_TYPE_SHIFT;
7756
7757         DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
7758                          data, igu_addr_data);
7759         REG_WR(bp, igu_addr_data, data);
7760         mmiowb();
7761         barrier();
7762         DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
7763                           ctl, igu_addr_ctl);
7764         REG_WR(bp, igu_addr_ctl, ctl);
7765         mmiowb();
7766         barrier();
7767
7768         /* wait for clean up to finish */
7769         while (!(REG_RD(bp, igu_addr_ack) & sb_bit) && --cnt)
7770                 msleep(20);
7771
7772         if (!(REG_RD(bp, igu_addr_ack) & sb_bit)) {
7773                 DP(NETIF_MSG_HW,
7774                    "Unable to finish IGU cleanup: idu_sb_id %d offset %d bit %d (cnt %d)\n",
7775                           idu_sb_id, idu_sb_id/32, idu_sb_id%32, cnt);
7776         }
7777 }
7778
7779 static void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
7780 {
7781         bnx2x_igu_clear_sb_gen(bp, BP_FUNC(bp), idu_sb_id, true /*PF*/);
7782 }
7783
7784 static void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
7785 {
7786         u32 i, base = FUNC_ILT_BASE(func);
7787         for (i = base; i < base + ILT_PER_FUNC; i++)
7788                 bnx2x_ilt_wr(bp, i, 0);
7789 }
7790
7791 static void bnx2x_init_searcher(struct bnx2x *bp)
7792 {
7793         int port = BP_PORT(bp);
7794         bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
7795         /* T1 hash bits value determines the T1 number of entries */
7796         REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
7797 }
7798
7799 static inline int bnx2x_func_switch_update(struct bnx2x *bp, int suspend)
7800 {
7801         int rc;
7802         struct bnx2x_func_state_params func_params = {NULL};
7803         struct bnx2x_func_switch_update_params *switch_update_params =
7804                 &func_params.params.switch_update;
7805
7806         /* Prepare parameters for function state transitions */
7807         __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
7808         __set_bit(RAMROD_RETRY, &func_params.ramrod_flags);
7809
7810         func_params.f_obj = &bp->func_obj;
7811         func_params.cmd = BNX2X_F_CMD_SWITCH_UPDATE;
7812
7813         /* Function parameters */
7814         __set_bit(BNX2X_F_UPDATE_TX_SWITCH_SUSPEND_CHNG,
7815                   &switch_update_params->changes);
7816         if (suspend)
7817                 __set_bit(BNX2X_F_UPDATE_TX_SWITCH_SUSPEND,
7818                           &switch_update_params->changes);
7819
7820         rc = bnx2x_func_state_change(bp, &func_params);
7821
7822         return rc;
7823 }
7824
7825 static int bnx2x_reset_nic_mode(struct bnx2x *bp)
7826 {
7827         int rc, i, port = BP_PORT(bp);
7828         int vlan_en = 0, mac_en[NUM_MACS];
7829
7830         /* Close input from network */
7831         if (bp->mf_mode == SINGLE_FUNCTION) {
7832                 bnx2x_set_rx_filter(&bp->link_params, 0);
7833         } else {
7834                 vlan_en = REG_RD(bp, port ? NIG_REG_LLH1_FUNC_EN :
7835                                    NIG_REG_LLH0_FUNC_EN);
7836                 REG_WR(bp, port ? NIG_REG_LLH1_FUNC_EN :
7837                           NIG_REG_LLH0_FUNC_EN, 0);
7838                 for (i = 0; i < NUM_MACS; i++) {
7839                         mac_en[i] = REG_RD(bp, port ?
7840                                              (NIG_REG_LLH1_FUNC_MEM_ENABLE +
7841                                               4 * i) :
7842                                              (NIG_REG_LLH0_FUNC_MEM_ENABLE +
7843                                               4 * i));
7844                         REG_WR(bp, port ? (NIG_REG_LLH1_FUNC_MEM_ENABLE +
7845                                               4 * i) :
7846                                   (NIG_REG_LLH0_FUNC_MEM_ENABLE + 4 * i), 0);
7847                 }
7848         }
7849
7850         /* Close BMC to host */
7851         REG_WR(bp, port ? NIG_REG_P0_TX_MNG_HOST_ENABLE :
7852                NIG_REG_P1_TX_MNG_HOST_ENABLE, 0);
7853
7854         /* Suspend Tx switching to the PF. Completion of this ramrod
7855          * further guarantees that all the packets of that PF / child
7856          * VFs in BRB were processed by the Parser, so it is safe to
7857          * change the NIC_MODE register.
7858          */
7859         rc = bnx2x_func_switch_update(bp, 1);
7860         if (rc) {
7861                 BNX2X_ERR("Can't suspend tx-switching!\n");
7862                 return rc;
7863         }
7864
7865         /* Change NIC_MODE register */
7866         REG_WR(bp, PRS_REG_NIC_MODE, 0);
7867
7868         /* Open input from network */
7869         if (bp->mf_mode == SINGLE_FUNCTION) {
7870                 bnx2x_set_rx_filter(&bp->link_params, 1);
7871         } else {
7872                 REG_WR(bp, port ? NIG_REG_LLH1_FUNC_EN :
7873                           NIG_REG_LLH0_FUNC_EN, vlan_en);
7874                 for (i = 0; i < NUM_MACS; i++) {
7875                         REG_WR(bp, port ? (NIG_REG_LLH1_FUNC_MEM_ENABLE +
7876                                               4 * i) :
7877                                   (NIG_REG_LLH0_FUNC_MEM_ENABLE + 4 * i),
7878                                   mac_en[i]);
7879                 }
7880         }
7881
7882         /* Enable BMC to host */
7883         REG_WR(bp, port ? NIG_REG_P0_TX_MNG_HOST_ENABLE :
7884                NIG_REG_P1_TX_MNG_HOST_ENABLE, 1);
7885
7886         /* Resume Tx switching to the PF */
7887         rc = bnx2x_func_switch_update(bp, 0);
7888         if (rc) {
7889                 BNX2X_ERR("Can't resume tx-switching!\n");
7890                 return rc;
7891         }
7892
7893         DP(NETIF_MSG_IFUP, "NIC MODE disabled\n");
7894         return 0;
7895 }
7896
7897 int bnx2x_init_hw_func_cnic(struct bnx2x *bp)
7898 {
7899         int rc;
7900
7901         bnx2x_ilt_init_op_cnic(bp, INITOP_SET);
7902
7903         if (CONFIGURE_NIC_MODE(bp)) {
7904                 /* Configure searcher as part of function hw init */
7905                 bnx2x_init_searcher(bp);
7906
7907                 /* Reset NIC mode */
7908                 rc = bnx2x_reset_nic_mode(bp);
7909                 if (rc)
7910                         BNX2X_ERR("Can't change NIC mode!\n");
7911                 return rc;
7912         }
7913
7914         return 0;
7915 }
7916
7917 /* previous driver DMAE transaction may have occurred when pre-boot stage ended
7918  * and boot began, or when kdump kernel was loaded. Either case would invalidate
7919  * the addresses of the transaction, resulting in was-error bit set in the pci
7920  * causing all hw-to-host pcie transactions to timeout. If this happened we want
7921  * to clear the interrupt which detected this from the pglueb and the was done
7922  * bit
7923  */
7924 static void bnx2x_clean_pglue_errors(struct bnx2x *bp)
7925 {
7926         if (!CHIP_IS_E1x(bp))
7927                 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR,
7928                        1 << BP_ABS_FUNC(bp));
7929 }
7930
7931 static int bnx2x_init_hw_func(struct bnx2x *bp)
7932 {
7933         int port = BP_PORT(bp);
7934         int func = BP_FUNC(bp);
7935         int init_phase = PHASE_PF0 + func;
7936         struct bnx2x_ilt *ilt = BP_ILT(bp);
7937         u16 cdu_ilt_start;
7938         u32 addr, val;
7939         u32 main_mem_base, main_mem_size, main_mem_prty_clr;
7940         int i, main_mem_width, rc;
7941
7942         DP(NETIF_MSG_HW, "starting func init  func %d\n", func);
7943
7944         /* FLR cleanup - hmmm */
7945         if (!CHIP_IS_E1x(bp)) {
7946                 rc = bnx2x_pf_flr_clnup(bp);
7947                 if (rc) {
7948                         bnx2x_fw_dump(bp);
7949                         return rc;
7950                 }
7951         }
7952
7953         /* set MSI reconfigure capability */
7954         if (bp->common.int_block == INT_BLOCK_HC) {
7955                 addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
7956                 val = REG_RD(bp, addr);
7957                 val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
7958                 REG_WR(bp, addr, val);
7959         }
7960
7961         bnx2x_init_block(bp, BLOCK_PXP, init_phase);
7962         bnx2x_init_block(bp, BLOCK_PXP2, init_phase);
7963
7964         ilt = BP_ILT(bp);
7965         cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
7966
7967         if (IS_SRIOV(bp))
7968                 cdu_ilt_start += BNX2X_FIRST_VF_CID/ILT_PAGE_CIDS;
7969         cdu_ilt_start = bnx2x_iov_init_ilt(bp, cdu_ilt_start);
7970
7971         /* since BNX2X_FIRST_VF_CID > 0 the PF L2 cids precedes
7972          * those of the VFs, so start line should be reset
7973          */
7974         cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
7975         for (i = 0; i < L2_ILT_LINES(bp); i++) {
7976                 ilt->lines[cdu_ilt_start + i].page = bp->context[i].vcxt;
7977                 ilt->lines[cdu_ilt_start + i].page_mapping =
7978                         bp->context[i].cxt_mapping;
7979                 ilt->lines[cdu_ilt_start + i].size = bp->context[i].size;
7980         }
7981
7982         bnx2x_ilt_init_op(bp, INITOP_SET);
7983
7984         if (!CONFIGURE_NIC_MODE(bp)) {
7985                 bnx2x_init_searcher(bp);
7986                 REG_WR(bp, PRS_REG_NIC_MODE, 0);
7987                 DP(NETIF_MSG_IFUP, "NIC MODE disabled\n");
7988         } else {
7989                 /* Set NIC mode */
7990                 REG_WR(bp, PRS_REG_NIC_MODE, 1);
7991                 DP(NETIF_MSG_IFUP, "NIC MODE configured\n");
7992         }
7993
7994         if (!CHIP_IS_E1x(bp)) {
7995                 u32 pf_conf = IGU_PF_CONF_FUNC_EN;
7996
7997                 /* Turn on a single ISR mode in IGU if driver is going to use
7998                  * INT#x or MSI
7999                  */
8000                 if (!(bp->flags & USING_MSIX_FLAG))
8001                         pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
8002                 /*
8003                  * Timers workaround bug: function init part.
8004                  * Need to wait 20msec after initializing ILT,
8005                  * needed to make sure there are no requests in
8006                  * one of the PXP internal queues with "old" ILT addresses
8007                  */
8008                 msleep(20);
8009                 /*
8010                  * Master enable - Due to WB DMAE writes performed before this
8011                  * register is re-initialized as part of the regular function
8012                  * init
8013                  */
8014                 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
8015                 /* Enable the function in IGU */
8016                 REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
8017         }
8018
8019         bp->dmae_ready = 1;
8020
8021         bnx2x_init_block(bp, BLOCK_PGLUE_B, init_phase);
8022
8023         bnx2x_clean_pglue_errors(bp);
8024
8025         bnx2x_init_block(bp, BLOCK_ATC, init_phase);
8026         bnx2x_init_block(bp, BLOCK_DMAE, init_phase);
8027         bnx2x_init_block(bp, BLOCK_NIG, init_phase);
8028         bnx2x_init_block(bp, BLOCK_SRC, init_phase);
8029         bnx2x_init_block(bp, BLOCK_MISC, init_phase);
8030         bnx2x_init_block(bp, BLOCK_TCM, init_phase);
8031         bnx2x_init_block(bp, BLOCK_UCM, init_phase);
8032         bnx2x_init_block(bp, BLOCK_CCM, init_phase);
8033         bnx2x_init_block(bp, BLOCK_XCM, init_phase);
8034         bnx2x_init_block(bp, BLOCK_TSEM, init_phase);
8035         bnx2x_init_block(bp, BLOCK_USEM, init_phase);
8036         bnx2x_init_block(bp, BLOCK_CSEM, init_phase);
8037         bnx2x_init_block(bp, BLOCK_XSEM, init_phase);
8038
8039         if (!CHIP_IS_E1x(bp))
8040                 REG_WR(bp, QM_REG_PF_EN, 1);
8041
8042         if (!CHIP_IS_E1x(bp)) {
8043                 REG_WR(bp, TSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
8044                 REG_WR(bp, USEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
8045                 REG_WR(bp, CSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
8046                 REG_WR(bp, XSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
8047         }
8048         bnx2x_init_block(bp, BLOCK_QM, init_phase);
8049
8050         bnx2x_init_block(bp, BLOCK_TM, init_phase);
8051         bnx2x_init_block(bp, BLOCK_DORQ, init_phase);
8052         REG_WR(bp, DORQ_REG_MODE_ACT, 1); /* no dpm */
8053
8054         bnx2x_iov_init_dq(bp);
8055
8056         bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
8057         bnx2x_init_block(bp, BLOCK_PRS, init_phase);
8058         bnx2x_init_block(bp, BLOCK_TSDM, init_phase);
8059         bnx2x_init_block(bp, BLOCK_CSDM, init_phase);
8060         bnx2x_init_block(bp, BLOCK_USDM, init_phase);
8061         bnx2x_init_block(bp, BLOCK_XSDM, init_phase);
8062         bnx2x_init_block(bp, BLOCK_UPB, init_phase);
8063         bnx2x_init_block(bp, BLOCK_XPB, init_phase);
8064         bnx2x_init_block(bp, BLOCK_PBF, init_phase);
8065         if (!CHIP_IS_E1x(bp))
8066                 REG_WR(bp, PBF_REG_DISABLE_PF, 0);
8067
8068         bnx2x_init_block(bp, BLOCK_CDU, init_phase);
8069
8070         bnx2x_init_block(bp, BLOCK_CFC, init_phase);
8071
8072         if (!CHIP_IS_E1x(bp))
8073                 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);
8074
8075         if (IS_MF(bp)) {
8076                 if (!(IS_MF_UFP(bp) && BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp))) {
8077                         REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port * 8, 1);
8078                         REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port * 8,
8079                                bp->mf_ov);
8080                 }
8081         }
8082
8083         bnx2x_init_block(bp, BLOCK_MISC_AEU, init_phase);
8084
8085         /* HC init per function */
8086         if (bp->common.int_block == INT_BLOCK_HC) {
8087                 if (CHIP_IS_E1H(bp)) {
8088                         REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
8089
8090                         REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
8091                         REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
8092                 }
8093                 bnx2x_init_block(bp, BLOCK_HC, init_phase);
8094
8095         } else {
8096                 int num_segs, sb_idx, prod_offset;
8097
8098                 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
8099
8100                 if (!CHIP_IS_E1x(bp)) {
8101                         REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
8102                         REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
8103                 }
8104
8105                 bnx2x_init_block(bp, BLOCK_IGU, init_phase);
8106
8107                 if (!CHIP_IS_E1x(bp)) {
8108                         int dsb_idx = 0;
8109                         /**
8110                          * Producer memory:
8111                          * E2 mode: address 0-135 match to the mapping memory;
8112                          * 136 - PF0 default prod; 137 - PF1 default prod;
8113                          * 138 - PF2 default prod; 139 - PF3 default prod;
8114                          * 140 - PF0 attn prod;    141 - PF1 attn prod;
8115                          * 142 - PF2 attn prod;    143 - PF3 attn prod;
8116                          * 144-147 reserved.
8117                          *
8118                          * E1.5 mode - In backward compatible mode;
8119                          * for non default SB; each even line in the memory
8120                          * holds the U producer and each odd line hold
8121                          * the C producer. The first 128 producers are for
8122                          * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
8123                          * producers are for the DSB for each PF.
8124                          * Each PF has five segments: (the order inside each
8125                          * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
8126                          * 132-135 C prods; 136-139 X prods; 140-143 T prods;
8127                          * 144-147 attn prods;
8128                          */
8129                         /* non-default-status-blocks */
8130                         num_segs = CHIP_INT_MODE_IS_BC(bp) ?
8131                                 IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
8132                         for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
8133                                 prod_offset = (bp->igu_base_sb + sb_idx) *
8134                                         num_segs;
8135
8136                                 for (i = 0; i < num_segs; i++) {
8137                                         addr = IGU_REG_PROD_CONS_MEMORY +
8138                                                         (prod_offset + i) * 4;
8139                                         REG_WR(bp, addr, 0);
8140                                 }
8141                                 /* send consumer update with value 0 */
8142                                 bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
8143                                              USTORM_ID, 0, IGU_INT_NOP, 1);
8144                                 bnx2x_igu_clear_sb(bp,
8145                                                    bp->igu_base_sb + sb_idx);
8146                         }
8147
8148                         /* default-status-blocks */
8149                         num_segs = CHIP_INT_MODE_IS_BC(bp) ?
8150                                 IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;
8151
8152                         if (CHIP_MODE_IS_4_PORT(bp))
8153                                 dsb_idx = BP_FUNC(bp);
8154                         else
8155                                 dsb_idx = BP_VN(bp);
8156
8157                         prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
8158                                        IGU_BC_BASE_DSB_PROD + dsb_idx :
8159                                        IGU_NORM_BASE_DSB_PROD + dsb_idx);
8160
8161                         /*
8162                          * igu prods come in chunks of E1HVN_MAX (4) -
8163                          * does not matters what is the current chip mode
8164                          */
8165                         for (i = 0; i < (num_segs * E1HVN_MAX);
8166                              i += E1HVN_MAX) {
8167                                 addr = IGU_REG_PROD_CONS_MEMORY +
8168                                                         (prod_offset + i)*4;
8169                                 REG_WR(bp, addr, 0);
8170                         }
8171                         /* send consumer update with 0 */
8172                         if (CHIP_INT_MODE_IS_BC(bp)) {
8173                                 bnx2x_ack_sb(bp, bp->igu_dsb_id,
8174                                              USTORM_ID, 0, IGU_INT_NOP, 1);
8175                                 bnx2x_ack_sb(bp, bp->igu_dsb_id,
8176                                              CSTORM_ID, 0, IGU_INT_NOP, 1);
8177                                 bnx2x_ack_sb(bp, bp->igu_dsb_id,
8178                                              XSTORM_ID, 0, IGU_INT_NOP, 1);
8179                                 bnx2x_ack_sb(bp, bp->igu_dsb_id,
8180                                              TSTORM_ID, 0, IGU_INT_NOP, 1);
8181                                 bnx2x_ack_sb(bp, bp->igu_dsb_id,
8182                                              ATTENTION_ID, 0, IGU_INT_NOP, 1);
8183                         } else {
8184                                 bnx2x_ack_sb(bp, bp->igu_dsb_id,
8185                                              USTORM_ID, 0, IGU_INT_NOP, 1);
8186                                 bnx2x_ack_sb(bp, bp->igu_dsb_id,
8187                                              ATTENTION_ID, 0, IGU_INT_NOP, 1);
8188                         }
8189                         bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);
8190
8191                         /* !!! These should become driver const once
8192                            rf-tool supports split-68 const */
8193                         REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
8194                         REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
8195                         REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
8196                         REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
8197                         REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
8198                         REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
8199                 }
8200         }
8201
8202         /* Reset PCIE errors for debug */
8203         REG_WR(bp, 0x2114, 0xffffffff);
8204         REG_WR(bp, 0x2120, 0xffffffff);
8205
8206         if (CHIP_IS_E1x(bp)) {
8207                 main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
8208                 main_mem_base = HC_REG_MAIN_MEMORY +
8209                                 BP_PORT(bp) * (main_mem_size * 4);
8210                 main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
8211                 main_mem_width = 8;
8212
8213                 val = REG_RD(bp, main_mem_prty_clr);
8214                 if (val)
8215                         DP(NETIF_MSG_HW,
8216                            "Hmmm... Parity errors in HC block during function init (0x%x)!\n",
8217                            val);
8218
8219                 /* Clear "false" parity errors in MSI-X table */
8220                 for (i = main_mem_base;
8221                      i < main_mem_base + main_mem_size * 4;
8222                      i += main_mem_width) {
8223                         bnx2x_read_dmae(bp, i, main_mem_width / 4);
8224                         bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
8225                                          i, main_mem_width / 4);
8226                 }
8227                 /* Clear HC parity attention */
8228                 REG_RD(bp, main_mem_prty_clr);
8229         }
8230
8231 #ifdef BNX2X_STOP_ON_ERROR
8232         /* Enable STORMs SP logging */
8233         REG_WR8(bp, BAR_USTRORM_INTMEM +
8234                USTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
8235         REG_WR8(bp, BAR_TSTRORM_INTMEM +
8236                TSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
8237         REG_WR8(bp, BAR_CSTRORM_INTMEM +
8238                CSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
8239         REG_WR8(bp, BAR_XSTRORM_INTMEM +
8240                XSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
8241 #endif
8242
8243         bnx2x_phy_probe(&bp->link_params);
8244
8245         return 0;
8246 }
8247
8248 void bnx2x_free_mem_cnic(struct bnx2x *bp)
8249 {
8250         bnx2x_ilt_mem_op_cnic(bp, ILT_MEMOP_FREE);
8251
8252         if (!CHIP_IS_E1x(bp))
8253                 BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
8254                                sizeof(struct host_hc_status_block_e2));
8255         else
8256                 BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
8257                                sizeof(struct host_hc_status_block_e1x));
8258
8259         BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
8260 }
8261
8262 void bnx2x_free_mem(struct bnx2x *bp)
8263 {
8264         int i;
8265
8266         BNX2X_PCI_FREE(bp->fw_stats, bp->fw_stats_mapping,
8267                        bp->fw_stats_data_sz + bp->fw_stats_req_sz);
8268
8269         if (IS_VF(bp))
8270                 return;
8271
8272         BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
8273                        sizeof(struct host_sp_status_block));
8274
8275         BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
8276                        sizeof(struct bnx2x_slowpath));
8277
8278         for (i = 0; i < L2_ILT_LINES(bp); i++)
8279                 BNX2X_PCI_FREE(bp->context[i].vcxt, bp->context[i].cxt_mapping,
8280                                bp->context[i].size);
8281         bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);
8282
8283         BNX2X_FREE(bp->ilt->lines);
8284
8285         BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
8286
8287         BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
8288                        BCM_PAGE_SIZE * NUM_EQ_PAGES);
8289
8290         BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
8291
8292         bnx2x_iov_free_mem(bp);
8293 }
8294
8295 int bnx2x_alloc_mem_cnic(struct bnx2x *bp)
8296 {
8297         if (!CHIP_IS_E1x(bp)) {
8298                 /* size = the status block + ramrod buffers */
8299                 bp->cnic_sb.e2_sb = BNX2X_PCI_ALLOC(&bp->cnic_sb_mapping,
8300                                                     sizeof(struct host_hc_status_block_e2));
8301                 if (!bp->cnic_sb.e2_sb)
8302                         goto alloc_mem_err;
8303         } else {
8304                 bp->cnic_sb.e1x_sb = BNX2X_PCI_ALLOC(&bp->cnic_sb_mapping,
8305                                                      sizeof(struct host_hc_status_block_e1x));
8306                 if (!bp->cnic_sb.e1x_sb)
8307                         goto alloc_mem_err;
8308         }
8309
8310         if (CONFIGURE_NIC_MODE(bp) && !bp->t2) {
8311                 /* allocate searcher T2 table, as it wasn't allocated before */
8312                 bp->t2 = BNX2X_PCI_ALLOC(&bp->t2_mapping, SRC_T2_SZ);
8313                 if (!bp->t2)
8314                         goto alloc_mem_err;
8315         }
8316
8317         /* write address to which L5 should insert its values */
8318         bp->cnic_eth_dev.addr_drv_info_to_mcp =
8319                 &bp->slowpath->drv_info_to_mcp;
8320
8321         if (bnx2x_ilt_mem_op_cnic(bp, ILT_MEMOP_ALLOC))
8322                 goto alloc_mem_err;
8323
8324         return 0;
8325
8326 alloc_mem_err:
8327         bnx2x_free_mem_cnic(bp);
8328         BNX2X_ERR("Can't allocate memory\n");
8329         return -ENOMEM;
8330 }
8331
8332 int bnx2x_alloc_mem(struct bnx2x *bp)
8333 {
8334         int i, allocated, context_size;
8335
8336         if (!CONFIGURE_NIC_MODE(bp) && !bp->t2) {
8337                 /* allocate searcher T2 table */
8338                 bp->t2 = BNX2X_PCI_ALLOC(&bp->t2_mapping, SRC_T2_SZ);
8339                 if (!bp->t2)
8340                         goto alloc_mem_err;
8341         }
8342
8343         bp->def_status_blk = BNX2X_PCI_ALLOC(&bp->def_status_blk_mapping,
8344                                              sizeof(struct host_sp_status_block));
8345         if (!bp->def_status_blk)
8346                 goto alloc_mem_err;
8347
8348         bp->slowpath = BNX2X_PCI_ALLOC(&bp->slowpath_mapping,
8349                                        sizeof(struct bnx2x_slowpath));
8350         if (!bp->slowpath)
8351                 goto alloc_mem_err;
8352
8353         /* Allocate memory for CDU context:
8354          * This memory is allocated separately and not in the generic ILT
8355          * functions because CDU differs in few aspects:
8356          * 1. There are multiple entities allocating memory for context -
8357          * 'regular' driver, CNIC and SRIOV driver. Each separately controls
8358          * its own ILT lines.
8359          * 2. Since CDU page-size is not a single 4KB page (which is the case
8360          * for the other ILT clients), to be efficient we want to support
8361          * allocation of sub-page-size in the last entry.
8362          * 3. Context pointers are used by the driver to pass to FW / update
8363          * the context (for the other ILT clients the pointers are used just to
8364          * free the memory during unload).
8365          */
8366         context_size = sizeof(union cdu_context) * BNX2X_L2_CID_COUNT(bp);
8367
8368         for (i = 0, allocated = 0; allocated < context_size; i++) {
8369                 bp->context[i].size = min(CDU_ILT_PAGE_SZ,
8370                                           (context_size - allocated));
8371                 bp->context[i].vcxt = BNX2X_PCI_ALLOC(&bp->context[i].cxt_mapping,
8372                                                       bp->context[i].size);
8373                 if (!bp->context[i].vcxt)
8374                         goto alloc_mem_err;
8375                 allocated += bp->context[i].size;
8376         }
8377         bp->ilt->lines = kcalloc(ILT_MAX_LINES, sizeof(struct ilt_line),
8378                                  GFP_KERNEL);
8379         if (!bp->ilt->lines)
8380                 goto alloc_mem_err;
8381
8382         if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
8383                 goto alloc_mem_err;
8384
8385         if (bnx2x_iov_alloc_mem(bp))
8386                 goto alloc_mem_err;
8387
8388         /* Slow path ring */
8389         bp->spq = BNX2X_PCI_ALLOC(&bp->spq_mapping, BCM_PAGE_SIZE);
8390         if (!bp->spq)
8391                 goto alloc_mem_err;
8392
8393         /* EQ */
8394         bp->eq_ring = BNX2X_PCI_ALLOC(&bp->eq_mapping,
8395                                       BCM_PAGE_SIZE * NUM_EQ_PAGES);
8396         if (!bp->eq_ring)
8397                 goto alloc_mem_err;
8398
8399         return 0;
8400
8401 alloc_mem_err:
8402         bnx2x_free_mem(bp);
8403         BNX2X_ERR("Can't allocate memory\n");
8404         return -ENOMEM;
8405 }
8406
8407 /*
8408  * Init service functions
8409  */
8410
8411 int bnx2x_set_mac_one(struct bnx2x *bp, u8 *mac,
8412                       struct bnx2x_vlan_mac_obj *obj, bool set,
8413                       int mac_type, unsigned long *ramrod_flags)
8414 {
8415         int rc;
8416         struct bnx2x_vlan_mac_ramrod_params ramrod_param;
8417
8418         memset(&ramrod_param, 0, sizeof(ramrod_param));
8419
8420         /* Fill general parameters */
8421         ramrod_param.vlan_mac_obj = obj;
8422         ramrod_param.ramrod_flags = *ramrod_flags;
8423
8424         /* Fill a user request section if needed */
8425         if (!test_bit(RAMROD_CONT, ramrod_flags)) {
8426                 memcpy(ramrod_param.user_req.u.mac.mac, mac, ETH_ALEN);
8427
8428                 __set_bit(mac_type, &ramrod_param.user_req.vlan_mac_flags);
8429
8430                 /* Set the command: ADD or DEL */
8431                 if (set)
8432                         ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_ADD;
8433                 else
8434                         ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_DEL;
8435         }
8436
8437         rc = bnx2x_config_vlan_mac(bp, &ramrod_param);
8438
8439         if (rc == -EEXIST) {
8440                 DP(BNX2X_MSG_SP, "Failed to schedule ADD operations: %d\n", rc);
8441                 /* do not treat adding same MAC as error */
8442                 rc = 0;
8443         } else if (rc < 0)
8444                 BNX2X_ERR("%s MAC failed\n", (set ? "Set" : "Del"));
8445
8446         return rc;
8447 }
8448
8449 int bnx2x_set_vlan_one(struct bnx2x *bp, u16 vlan,
8450                        struct bnx2x_vlan_mac_obj *obj, bool set,
8451                        unsigned long *ramrod_flags)
8452 {
8453         int rc;
8454         struct bnx2x_vlan_mac_ramrod_params ramrod_param;
8455
8456         memset(&ramrod_param, 0, sizeof(ramrod_param));
8457
8458         /* Fill general parameters */
8459         ramrod_param.vlan_mac_obj = obj;
8460         ramrod_param.ramrod_flags = *ramrod_flags;
8461
8462         /* Fill a user request section if needed */
8463         if (!test_bit(RAMROD_CONT, ramrod_flags)) {
8464                 ramrod_param.user_req.u.vlan.vlan = vlan;
8465                 /* Set the command: ADD or DEL */
8466                 if (set)
8467                         ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_ADD;
8468                 else
8469                         ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_DEL;
8470         }
8471
8472         rc = bnx2x_config_vlan_mac(bp, &ramrod_param);
8473
8474         if (rc == -EEXIST) {
8475                 /* Do not treat adding same vlan as error. */
8476                 DP(BNX2X_MSG_SP, "Failed to schedule ADD operations: %d\n", rc);
8477                 rc = 0;
8478         } else if (rc < 0) {
8479                 BNX2X_ERR("%s VLAN failed\n", (set ? "Set" : "Del"));
8480         }
8481
8482         return rc;
8483 }
8484
8485 int bnx2x_del_all_macs(struct bnx2x *bp,
8486                        struct bnx2x_vlan_mac_obj *mac_obj,
8487                        int mac_type, bool wait_for_comp)
8488 {
8489         int rc;
8490         unsigned long ramrod_flags = 0, vlan_mac_flags = 0;
8491
8492         /* Wait for completion of requested */
8493         if (wait_for_comp)
8494                 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
8495
8496         /* Set the mac type of addresses we want to clear */
8497         __set_bit(mac_type, &vlan_mac_flags);
8498
8499         rc = mac_obj->delete_all(bp, mac_obj, &vlan_mac_flags, &ramrod_flags);
8500         if (rc < 0)
8501                 BNX2X_ERR("Failed to delete MACs: %d\n", rc);
8502
8503         return rc;
8504 }
8505
8506 int bnx2x_set_eth_mac(struct bnx2x *bp, bool set)
8507 {
8508         if (IS_PF(bp)) {
8509                 unsigned long ramrod_flags = 0;
8510
8511                 DP(NETIF_MSG_IFUP, "Adding Eth MAC\n");
8512                 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
8513                 return bnx2x_set_mac_one(bp, bp->dev->dev_addr,
8514                                          &bp->sp_objs->mac_obj, set,
8515                                          BNX2X_ETH_MAC, &ramrod_flags);
8516         } else { /* vf */
8517                 return bnx2x_vfpf_config_mac(bp, bp->dev->dev_addr,
8518                                              bp->fp->index, set);
8519         }
8520 }
8521
8522 int bnx2x_setup_leading(struct bnx2x *bp)
8523 {
8524         if (IS_PF(bp))
8525                 return bnx2x_setup_queue(bp, &bp->fp[0], true);
8526         else /* VF */
8527                 return bnx2x_vfpf_setup_q(bp, &bp->fp[0], true);
8528 }
8529
8530 /**
8531  * bnx2x_set_int_mode - configure interrupt mode
8532  *
8533  * @bp:         driver handle
8534  *
8535  * In case of MSI-X it will also try to enable MSI-X.
8536  */
8537 int bnx2x_set_int_mode(struct bnx2x *bp)
8538 {
8539         int rc = 0;
8540
8541         if (IS_VF(bp) && int_mode != BNX2X_INT_MODE_MSIX) {
8542                 BNX2X_ERR("VF not loaded since interrupt mode not msix\n");
8543                 return -EINVAL;
8544         }
8545
8546         switch (int_mode) {
8547         case BNX2X_INT_MODE_MSIX:
8548                 /* attempt to enable msix */
8549                 rc = bnx2x_enable_msix(bp);
8550
8551                 /* msix attained */
8552                 if (!rc)
8553                         return 0;
8554
8555                 /* vfs use only msix */
8556                 if (rc && IS_VF(bp))
8557                         return rc;
8558
8559                 /* failed to enable multiple MSI-X */
8560                 BNX2X_DEV_INFO("Failed to enable multiple MSI-X (%d), set number of queues to %d\n",
8561                                bp->num_queues,
8562                                1 + bp->num_cnic_queues);
8563
8564                 /* falling through... */
8565         case BNX2X_INT_MODE_MSI:
8566                 bnx2x_enable_msi(bp);
8567
8568                 /* falling through... */
8569         case BNX2X_INT_MODE_INTX:
8570                 bp->num_ethernet_queues = 1;
8571                 bp->num_queues = bp->num_ethernet_queues + bp->num_cnic_queues;
8572                 BNX2X_DEV_INFO("set number of queues to 1\n");
8573                 break;
8574         default:
8575                 BNX2X_DEV_INFO("unknown value in int_mode module parameter\n");
8576                 return -EINVAL;
8577         }
8578         return 0;
8579 }
8580
8581 /* must be called prior to any HW initializations */
8582 static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
8583 {
8584         if (IS_SRIOV(bp))
8585                 return (BNX2X_FIRST_VF_CID + BNX2X_VF_CIDS)/ILT_PAGE_CIDS;
8586         return L2_ILT_LINES(bp);
8587 }
8588
8589 void bnx2x_ilt_set_info(struct bnx2x *bp)
8590 {
8591         struct ilt_client_info *ilt_client;
8592         struct bnx2x_ilt *ilt = BP_ILT(bp);
8593         u16 line = 0;
8594
8595         ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
8596         DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);
8597
8598         /* CDU */
8599         ilt_client = &ilt->clients[ILT_CLIENT_CDU];
8600         ilt_client->client_num = ILT_CLIENT_CDU;
8601         ilt_client->page_size = CDU_ILT_PAGE_SZ;
8602         ilt_client->flags = ILT_CLIENT_SKIP_MEM;
8603         ilt_client->start = line;
8604         line += bnx2x_cid_ilt_lines(bp);
8605
8606         if (CNIC_SUPPORT(bp))
8607                 line += CNIC_ILT_LINES;
8608         ilt_client->end = line - 1;
8609
8610         DP(NETIF_MSG_IFUP, "ilt client[CDU]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
8611            ilt_client->start,
8612            ilt_client->end,
8613            ilt_client->page_size,
8614            ilt_client->flags,
8615            ilog2(ilt_client->page_size >> 12));
8616
8617         /* QM */
8618         if (QM_INIT(bp->qm_cid_count)) {
8619                 ilt_client = &ilt->clients[ILT_CLIENT_QM];
8620                 ilt_client->client_num = ILT_CLIENT_QM;
8621                 ilt_client->page_size = QM_ILT_PAGE_SZ;
8622                 ilt_client->flags = 0;
8623                 ilt_client->start = line;
8624
8625                 /* 4 bytes for each cid */
8626                 line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
8627                                                          QM_ILT_PAGE_SZ);
8628
8629                 ilt_client->end = line - 1;
8630
8631                 DP(NETIF_MSG_IFUP,
8632                    "ilt client[QM]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
8633                    ilt_client->start,
8634                    ilt_client->end,
8635                    ilt_client->page_size,
8636                    ilt_client->flags,
8637                    ilog2(ilt_client->page_size >> 12));
8638         }
8639
8640         if (CNIC_SUPPORT(bp)) {
8641                 /* SRC */
8642                 ilt_client = &ilt->clients[ILT_CLIENT_SRC];
8643                 ilt_client->client_num = ILT_CLIENT_SRC;
8644                 ilt_client->page_size = SRC_ILT_PAGE_SZ;
8645                 ilt_client->flags = 0;
8646                 ilt_client->start = line;
8647                 line += SRC_ILT_LINES;
8648                 ilt_client->end = line - 1;
8649
8650                 DP(NETIF_MSG_IFUP,
8651                    "ilt client[SRC]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
8652                    ilt_client->start,
8653                    ilt_client->end,
8654                    ilt_client->page_size,
8655                    ilt_client->flags,
8656                    ilog2(ilt_client->page_size >> 12));
8657
8658                 /* TM */
8659                 ilt_client = &ilt->clients[ILT_CLIENT_TM];
8660                 ilt_client->client_num = ILT_CLIENT_TM;
8661                 ilt_client->page_size = TM_ILT_PAGE_SZ;
8662                 ilt_client->flags = 0;
8663                 ilt_client->start = line;
8664                 line += TM_ILT_LINES;
8665                 ilt_client->end = line - 1;
8666
8667                 DP(NETIF_MSG_IFUP,
8668                    "ilt client[TM]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
8669                    ilt_client->start,
8670                    ilt_client->end,
8671                    ilt_client->page_size,
8672                    ilt_client->flags,
8673                    ilog2(ilt_client->page_size >> 12));
8674         }
8675
8676         BUG_ON(line > ILT_MAX_LINES);
8677 }
8678
8679 /**
8680  * bnx2x_pf_q_prep_init - prepare INIT transition parameters
8681  *
8682  * @bp:                 driver handle
8683  * @fp:                 pointer to fastpath
8684  * @init_params:        pointer to parameters structure
8685  *
8686  * parameters configured:
8687  *      - HC configuration
8688  *      - Queue's CDU context
8689  */
8690 static void bnx2x_pf_q_prep_init(struct bnx2x *bp,
8691         struct bnx2x_fastpath *fp, struct bnx2x_queue_init_params *init_params)
8692 {
8693         u8 cos;
8694         int cxt_index, cxt_offset;
8695
8696         /* FCoE Queue uses Default SB, thus has no HC capabilities */
8697         if (!IS_FCOE_FP(fp)) {
8698                 __set_bit(BNX2X_Q_FLG_HC, &init_params->rx.flags);
8699                 __set_bit(BNX2X_Q_FLG_HC, &init_params->tx.flags);
8700
8701                 /* If HC is supported, enable host coalescing in the transition
8702                  * to INIT state.
8703                  */
8704                 __set_bit(BNX2X_Q_FLG_HC_EN, &init_params->rx.flags);
8705                 __set_bit(BNX2X_Q_FLG_HC_EN, &init_params->tx.flags);
8706
8707                 /* HC rate */
8708                 init_params->rx.hc_rate = bp->rx_ticks ?
8709                         (1000000 / bp->rx_ticks) : 0;
8710                 init_params->tx.hc_rate = bp->tx_ticks ?
8711                         (1000000 / bp->tx_ticks) : 0;
8712
8713                 /* FW SB ID */
8714                 init_params->rx.fw_sb_id = init_params->tx.fw_sb_id =
8715                         fp->fw_sb_id;
8716
8717                 /*
8718                  * CQ index among the SB indices: FCoE clients uses the default
8719                  * SB, therefore it's different.
8720                  */
8721                 init_params->rx.sb_cq_index = HC_INDEX_ETH_RX_CQ_CONS;
8722                 init_params->tx.sb_cq_index = HC_INDEX_ETH_FIRST_TX_CQ_CONS;
8723         }
8724
8725         /* set maximum number of COSs supported by this queue */
8726         init_params->max_cos = fp->max_cos;
8727
8728         DP(NETIF_MSG_IFUP, "fp: %d setting queue params max cos to: %d\n",
8729             fp->index, init_params->max_cos);
8730
8731         /* set the context pointers queue object */
8732         for (cos = FIRST_TX_COS_INDEX; cos < init_params->max_cos; cos++) {
8733                 cxt_index = fp->txdata_ptr[cos]->cid / ILT_PAGE_CIDS;
8734                 cxt_offset = fp->txdata_ptr[cos]->cid - (cxt_index *
8735                                 ILT_PAGE_CIDS);
8736                 init_params->cxts[cos] =
8737                         &bp->context[cxt_index].vcxt[cxt_offset].eth;
8738         }
8739 }
8740
8741 static int bnx2x_setup_tx_only(struct bnx2x *bp, struct bnx2x_fastpath *fp,
8742                         struct bnx2x_queue_state_params *q_params,
8743                         struct bnx2x_queue_setup_tx_only_params *tx_only_params,
8744                         int tx_index, bool leading)
8745 {
8746         memset(tx_only_params, 0, sizeof(*tx_only_params));
8747
8748         /* Set the command */
8749         q_params->cmd = BNX2X_Q_CMD_SETUP_TX_ONLY;
8750
8751         /* Set tx-only QUEUE flags: don't zero statistics */
8752         tx_only_params->flags = bnx2x_get_common_flags(bp, fp, false);
8753
8754         /* choose the index of the cid to send the slow path on */
8755         tx_only_params->cid_index = tx_index;
8756
8757         /* Set general TX_ONLY_SETUP parameters */
8758         bnx2x_pf_q_prep_general(bp, fp, &tx_only_params->gen_params, tx_index);
8759
8760         /* Set Tx TX_ONLY_SETUP parameters */
8761         bnx2x_pf_tx_q_prep(bp, fp, &tx_only_params->txq_params, tx_index);
8762
8763         DP(NETIF_MSG_IFUP,
8764            "preparing to send tx-only ramrod for connection: cos %d, primary cid %d, cid %d, client id %d, sp-client id %d, flags %lx\n",
8765            tx_index, q_params->q_obj->cids[FIRST_TX_COS_INDEX],
8766            q_params->q_obj->cids[tx_index], q_params->q_obj->cl_id,
8767            tx_only_params->gen_params.spcl_id, tx_only_params->flags);
8768
8769         /* send the ramrod */
8770         return bnx2x_queue_state_change(bp, q_params);
8771 }
8772
8773 /**
8774  * bnx2x_setup_queue - setup queue
8775  *
8776  * @bp:         driver handle
8777  * @fp:         pointer to fastpath
8778  * @leading:    is leading
8779  *
8780  * This function performs 2 steps in a Queue state machine
8781  *      actually: 1) RESET->INIT 2) INIT->SETUP
8782  */
8783
8784 int bnx2x_setup_queue(struct bnx2x *bp, struct bnx2x_fastpath *fp,
8785                        bool leading)
8786 {
8787         struct bnx2x_queue_state_params q_params = {NULL};
8788         struct bnx2x_queue_setup_params *setup_params =
8789                                                 &q_params.params.setup;
8790         struct bnx2x_queue_setup_tx_only_params *tx_only_params =
8791                                                 &q_params.params.tx_only;
8792         int rc;
8793         u8 tx_index;
8794
8795         DP(NETIF_MSG_IFUP, "setting up queue %d\n", fp->index);
8796
8797         /* reset IGU state skip FCoE L2 queue */
8798         if (!IS_FCOE_FP(fp))
8799                 bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
8800                              IGU_INT_ENABLE, 0);
8801
8802         q_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
8803         /* We want to wait for completion in this context */
8804         __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
8805
8806         /* Prepare the INIT parameters */
8807         bnx2x_pf_q_prep_init(bp, fp, &q_params.params.init);
8808
8809         /* Set the command */
8810         q_params.cmd = BNX2X_Q_CMD_INIT;
8811
8812         /* Change the state to INIT */
8813         rc = bnx2x_queue_state_change(bp, &q_params);
8814         if (rc) {
8815                 BNX2X_ERR("Queue(%d) INIT failed\n", fp->index);
8816                 return rc;
8817         }
8818
8819         DP(NETIF_MSG_IFUP, "init complete\n");
8820
8821         /* Now move the Queue to the SETUP state... */
8822         memset(setup_params, 0, sizeof(*setup_params));
8823
8824         /* Set QUEUE flags */
8825         setup_params->flags = bnx2x_get_q_flags(bp, fp, leading);
8826
8827         /* Set general SETUP parameters */
8828         bnx2x_pf_q_prep_general(bp, fp, &setup_params->gen_params,
8829                                 FIRST_TX_COS_INDEX);
8830
8831         bnx2x_pf_rx_q_prep(bp, fp, &setup_params->pause_params,
8832                             &setup_params->rxq_params);
8833
8834         bnx2x_pf_tx_q_prep(bp, fp, &setup_params->txq_params,
8835                            FIRST_TX_COS_INDEX);
8836
8837         /* Set the command */
8838         q_params.cmd = BNX2X_Q_CMD_SETUP;
8839
8840         if (IS_FCOE_FP(fp))
8841                 bp->fcoe_init = true;
8842
8843         /* Change the state to SETUP */
8844         rc = bnx2x_queue_state_change(bp, &q_params);
8845         if (rc) {
8846                 BNX2X_ERR("Queue(%d) SETUP failed\n", fp->index);
8847                 return rc;
8848         }
8849
8850         /* loop through the relevant tx-only indices */
8851         for (tx_index = FIRST_TX_ONLY_COS_INDEX;
8852               tx_index < fp->max_cos;
8853               tx_index++) {
8854
8855                 /* prepare and send tx-only ramrod*/
8856                 rc = bnx2x_setup_tx_only(bp, fp, &q_params,
8857                                           tx_only_params, tx_index, leading);
8858                 if (rc) {
8859                         BNX2X_ERR("Queue(%d.%d) TX_ONLY_SETUP failed\n",
8860                                   fp->index, tx_index);
8861                         return rc;
8862                 }
8863         }
8864
8865         return rc;
8866 }
8867
8868 static int bnx2x_stop_queue(struct bnx2x *bp, int index)
8869 {
8870         struct bnx2x_fastpath *fp = &bp->fp[index];
8871         struct bnx2x_fp_txdata *txdata;
8872         struct bnx2x_queue_state_params q_params = {NULL};
8873         int rc, tx_index;
8874
8875         DP(NETIF_MSG_IFDOWN, "stopping queue %d cid %d\n", index, fp->cid);
8876
8877         q_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
8878         /* We want to wait for completion in this context */
8879         __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
8880
8881         /* close tx-only connections */
8882         for (tx_index = FIRST_TX_ONLY_COS_INDEX;
8883              tx_index < fp->max_cos;
8884              tx_index++){
8885
8886                 /* ascertain this is a normal queue*/
8887                 txdata = fp->txdata_ptr[tx_index];
8888
8889                 DP(NETIF_MSG_IFDOWN, "stopping tx-only queue %d\n",
8890                                                         txdata->txq_index);
8891
8892                 /* send halt terminate on tx-only connection */
8893                 q_params.cmd = BNX2X_Q_CMD_TERMINATE;
8894                 memset(&q_params.params.terminate, 0,
8895                        sizeof(q_params.params.terminate));
8896                 q_params.params.terminate.cid_index = tx_index;
8897
8898                 rc = bnx2x_queue_state_change(bp, &q_params);
8899                 if (rc)
8900                         return rc;
8901
8902                 /* send halt terminate on tx-only connection */
8903                 q_params.cmd = BNX2X_Q_CMD_CFC_DEL;
8904                 memset(&q_params.params.cfc_del, 0,
8905                        sizeof(q_params.params.cfc_del));
8906                 q_params.params.cfc_del.cid_index = tx_index;
8907                 rc = bnx2x_queue_state_change(bp, &q_params);
8908                 if (rc)
8909                         return rc;
8910         }
8911         /* Stop the primary connection: */
8912         /* ...halt the connection */
8913         q_params.cmd = BNX2X_Q_CMD_HALT;
8914         rc = bnx2x_queue_state_change(bp, &q_params);
8915         if (rc)
8916                 return rc;
8917
8918         /* ...terminate the connection */
8919         q_params.cmd = BNX2X_Q_CMD_TERMINATE;
8920         memset(&q_params.params.terminate, 0,
8921                sizeof(q_params.params.terminate));
8922         q_params.params.terminate.cid_index = FIRST_TX_COS_INDEX;
8923         rc = bnx2x_queue_state_change(bp, &q_params);
8924         if (rc)
8925                 return rc;
8926         /* ...delete cfc entry */
8927         q_params.cmd = BNX2X_Q_CMD_CFC_DEL;
8928         memset(&q_params.params.cfc_del, 0,
8929                sizeof(q_params.params.cfc_del));
8930         q_params.params.cfc_del.cid_index = FIRST_TX_COS_INDEX;
8931         return bnx2x_queue_state_change(bp, &q_params);
8932 }
8933
8934 static void bnx2x_reset_func(struct bnx2x *bp)
8935 {
8936         int port = BP_PORT(bp);
8937         int func = BP_FUNC(bp);
8938         int i;
8939
8940         /* Disable the function in the FW */
8941         REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
8942         REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
8943         REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
8944         REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);
8945
8946         /* FP SBs */
8947         for_each_eth_queue(bp, i) {
8948                 struct bnx2x_fastpath *fp = &bp->fp[i];
8949                 REG_WR8(bp, BAR_CSTRORM_INTMEM +
8950                            CSTORM_STATUS_BLOCK_DATA_STATE_OFFSET(fp->fw_sb_id),
8951                            SB_DISABLED);
8952         }
8953
8954         if (CNIC_LOADED(bp))
8955                 /* CNIC SB */
8956                 REG_WR8(bp, BAR_CSTRORM_INTMEM +
8957                         CSTORM_STATUS_BLOCK_DATA_STATE_OFFSET
8958                         (bnx2x_cnic_fw_sb_id(bp)), SB_DISABLED);
8959
8960         /* SP SB */
8961         REG_WR8(bp, BAR_CSTRORM_INTMEM +
8962                 CSTORM_SP_STATUS_BLOCK_DATA_STATE_OFFSET(func),
8963                 SB_DISABLED);
8964
8965         for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
8966                 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
8967                        0);
8968
8969         /* Configure IGU */
8970         if (bp->common.int_block == INT_BLOCK_HC) {
8971                 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
8972                 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
8973         } else {
8974                 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
8975                 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
8976         }
8977
8978         if (CNIC_LOADED(bp)) {
8979                 /* Disable Timer scan */
8980                 REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
8981                 /*
8982                  * Wait for at least 10ms and up to 2 second for the timers
8983                  * scan to complete
8984                  */
8985                 for (i = 0; i < 200; i++) {
8986                         usleep_range(10000, 20000);
8987                         if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
8988                                 break;
8989                 }
8990         }
8991         /* Clear ILT */
8992         bnx2x_clear_func_ilt(bp, func);
8993
8994         /* Timers workaround bug for E2: if this is vnic-3,
8995          * we need to set the entire ilt range for this timers.
8996          */
8997         if (!CHIP_IS_E1x(bp) && BP_VN(bp) == 3) {
8998                 struct ilt_client_info ilt_cli;
8999                 /* use dummy TM client */
9000                 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
9001                 ilt_cli.start = 0;
9002                 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
9003                 ilt_cli.client_num = ILT_CLIENT_TM;
9004
9005                 bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
9006         }
9007
9008         /* this assumes that reset_port() called before reset_func()*/
9009         if (!CHIP_IS_E1x(bp))
9010                 bnx2x_pf_disable(bp);
9011
9012         bp->dmae_ready = 0;
9013 }
9014
9015 static void bnx2x_reset_port(struct bnx2x *bp)
9016 {
9017         int port = BP_PORT(bp);
9018         u32 val;
9019
9020         /* Reset physical Link */
9021         bnx2x__link_reset(bp);
9022
9023         REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
9024
9025         /* Do not rcv packets to BRB */
9026         REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
9027         /* Do not direct rcv packets that are not for MCP to the BRB */
9028         REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
9029                            NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
9030
9031         /* Configure AEU */
9032         REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
9033
9034         msleep(100);
9035         /* Check for BRB port occupancy */
9036         val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
9037         if (val)
9038                 DP(NETIF_MSG_IFDOWN,
9039                    "BRB1 is not empty  %d blocks are occupied\n", val);
9040
9041         /* TODO: Close Doorbell port? */
9042 }
9043
9044 static int bnx2x_reset_hw(struct bnx2x *bp, u32 load_code)
9045 {
9046         struct bnx2x_func_state_params func_params = {NULL};
9047
9048         /* Prepare parameters for function state transitions */
9049         __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
9050
9051         func_params.f_obj = &bp->func_obj;
9052         func_params.cmd = BNX2X_F_CMD_HW_RESET;
9053
9054         func_params.params.hw_init.load_phase = load_code;
9055
9056         return bnx2x_func_state_change(bp, &func_params);
9057 }
9058
9059 static int bnx2x_func_stop(struct bnx2x *bp)
9060 {
9061         struct bnx2x_func_state_params func_params = {NULL};
9062         int rc;
9063
9064         /* Prepare parameters for function state transitions */
9065         __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
9066         func_params.f_obj = &bp->func_obj;
9067         func_params.cmd = BNX2X_F_CMD_STOP;
9068
9069         /*
9070          * Try to stop the function the 'good way'. If fails (in case
9071          * of a parity error during bnx2x_chip_cleanup()) and we are
9072          * not in a debug mode, perform a state transaction in order to
9073          * enable further HW_RESET transaction.
9074          */
9075         rc = bnx2x_func_state_change(bp, &func_params);
9076         if (rc) {
9077 #ifdef BNX2X_STOP_ON_ERROR
9078                 return rc;
9079 #else
9080                 BNX2X_ERR("FUNC_STOP ramrod failed. Running a dry transaction\n");
9081                 __set_bit(RAMROD_DRV_CLR_ONLY, &func_params.ramrod_flags);
9082                 return bnx2x_func_state_change(bp, &func_params);
9083 #endif
9084         }
9085
9086         return 0;
9087 }
9088
9089 /**
9090  * bnx2x_send_unload_req - request unload mode from the MCP.
9091  *
9092  * @bp:                 driver handle
9093  * @unload_mode:        requested function's unload mode
9094  *
9095  * Return unload mode returned by the MCP: COMMON, PORT or FUNC.
9096  */
9097 u32 bnx2x_send_unload_req(struct bnx2x *bp, int unload_mode)
9098 {
9099         u32 reset_code = 0;
9100         int port = BP_PORT(bp);
9101
9102         /* Select the UNLOAD request mode */
9103         if (unload_mode == UNLOAD_NORMAL)
9104                 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
9105
9106         else if (bp->flags & NO_WOL_FLAG)
9107                 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
9108
9109         else if (bp->wol) {
9110                 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
9111                 u8 *mac_addr = bp->dev->dev_addr;
9112                 struct pci_dev *pdev = bp->pdev;
9113                 u32 val;
9114                 u16 pmc;
9115
9116                 /* The mac address is written to entries 1-4 to
9117                  * preserve entry 0 which is used by the PMF
9118                  */
9119                 u8 entry = (BP_VN(bp) + 1)*8;
9120
9121                 val = (mac_addr[0] << 8) | mac_addr[1];
9122                 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
9123
9124                 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
9125                       (mac_addr[4] << 8) | mac_addr[5];
9126                 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
9127
9128                 /* Enable the PME and clear the status */
9129                 pci_read_config_word(pdev, pdev->pm_cap + PCI_PM_CTRL, &pmc);
9130                 pmc |= PCI_PM_CTRL_PME_ENABLE | PCI_PM_CTRL_PME_STATUS;
9131                 pci_write_config_word(pdev, pdev->pm_cap + PCI_PM_CTRL, pmc);
9132
9133                 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
9134
9135         } else
9136                 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
9137
9138         /* Send the request to the MCP */
9139         if (!BP_NOMCP(bp))
9140                 reset_code = bnx2x_fw_command(bp, reset_code, 0);
9141         else {
9142                 int path = BP_PATH(bp);
9143
9144                 DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d]      %d, %d, %d\n",
9145                    path, bnx2x_load_count[path][0], bnx2x_load_count[path][1],
9146                    bnx2x_load_count[path][2]);
9147                 bnx2x_load_count[path][0]--;
9148                 bnx2x_load_count[path][1 + port]--;
9149                 DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d]  %d, %d, %d\n",
9150                    path, bnx2x_load_count[path][0], bnx2x_load_count[path][1],
9151                    bnx2x_load_count[path][2]);
9152                 if (bnx2x_load_count[path][0] == 0)
9153                         reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
9154                 else if (bnx2x_load_count[path][1 + port] == 0)
9155                         reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
9156                 else
9157                         reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
9158         }
9159
9160         return reset_code;
9161 }
9162
9163 /**
9164  * bnx2x_send_unload_done - send UNLOAD_DONE command to the MCP.
9165  *
9166  * @bp:         driver handle
9167  * @keep_link:          true iff link should be kept up
9168  */
9169 void bnx2x_send_unload_done(struct bnx2x *bp, bool keep_link)
9170 {
9171         u32 reset_param = keep_link ? DRV_MSG_CODE_UNLOAD_SKIP_LINK_RESET : 0;
9172
9173         /* Report UNLOAD_DONE to MCP */
9174         if (!BP_NOMCP(bp))
9175                 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, reset_param);
9176 }
9177
9178 static int bnx2x_func_wait_started(struct bnx2x *bp)
9179 {
9180         int tout = 50;
9181         int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
9182
9183         if (!bp->port.pmf)
9184                 return 0;
9185
9186         /*
9187          * (assumption: No Attention from MCP at this stage)
9188          * PMF probably in the middle of TX disable/enable transaction
9189          * 1. Sync IRS for default SB
9190          * 2. Sync SP queue - this guarantees us that attention handling started
9191          * 3. Wait, that TX disable/enable transaction completes
9192          *
9193          * 1+2 guarantee that if DCBx attention was scheduled it already changed
9194          * pending bit of transaction from STARTED-->TX_STOPPED, if we already
9195          * received completion for the transaction the state is TX_STOPPED.
9196          * State will return to STARTED after completion of TX_STOPPED-->STARTED
9197          * transaction.
9198          */
9199
9200         /* make sure default SB ISR is done */
9201         if (msix)
9202                 synchronize_irq(bp->msix_table[0].vector);
9203         else
9204                 synchronize_irq(bp->pdev->irq);
9205
9206         flush_workqueue(bnx2x_wq);
9207         flush_workqueue(bnx2x_iov_wq);
9208
9209         while (bnx2x_func_get_state(bp, &bp->func_obj) !=
9210                                 BNX2X_F_STATE_STARTED && tout--)
9211                 msleep(20);
9212
9213         if (bnx2x_func_get_state(bp, &bp->func_obj) !=
9214                                                 BNX2X_F_STATE_STARTED) {
9215 #ifdef BNX2X_STOP_ON_ERROR
9216                 BNX2X_ERR("Wrong function state\n");
9217                 return -EBUSY;
9218 #else
9219                 /*
9220                  * Failed to complete the transaction in a "good way"
9221                  * Force both transactions with CLR bit
9222                  */
9223                 struct bnx2x_func_state_params func_params = {NULL};
9224
9225                 DP(NETIF_MSG_IFDOWN,
9226                    "Hmmm... Unexpected function state! Forcing STARTED-->TX_STOPPED-->STARTED\n");
9227
9228                 func_params.f_obj = &bp->func_obj;
9229                 __set_bit(RAMROD_DRV_CLR_ONLY,
9230                                         &func_params.ramrod_flags);
9231
9232                 /* STARTED-->TX_ST0PPED */
9233                 func_params.cmd = BNX2X_F_CMD_TX_STOP;
9234                 bnx2x_func_state_change(bp, &func_params);
9235
9236                 /* TX_ST0PPED-->STARTED */
9237                 func_params.cmd = BNX2X_F_CMD_TX_START;
9238                 return bnx2x_func_state_change(bp, &func_params);
9239 #endif
9240         }
9241
9242         return 0;
9243 }
9244
9245 static void bnx2x_disable_ptp(struct bnx2x *bp)
9246 {
9247         int port = BP_PORT(bp);
9248
9249         /* Disable sending PTP packets to host */
9250         REG_WR(bp, port ? NIG_REG_P1_LLH_PTP_TO_HOST :
9251                NIG_REG_P0_LLH_PTP_TO_HOST, 0x0);
9252
9253         /* Reset PTP event detection rules */
9254         REG_WR(bp, port ? NIG_REG_P1_LLH_PTP_PARAM_MASK :
9255                NIG_REG_P0_LLH_PTP_PARAM_MASK, 0x7FF);
9256         REG_WR(bp, port ? NIG_REG_P1_LLH_PTP_RULE_MASK :
9257                NIG_REG_P0_LLH_PTP_RULE_MASK, 0x3FFF);
9258         REG_WR(bp, port ? NIG_REG_P1_TLLH_PTP_PARAM_MASK :
9259                NIG_REG_P0_TLLH_PTP_PARAM_MASK, 0x7FF);
9260         REG_WR(bp, port ? NIG_REG_P1_TLLH_PTP_RULE_MASK :
9261                NIG_REG_P0_TLLH_PTP_RULE_MASK, 0x3FFF);
9262
9263         /* Disable the PTP feature */
9264         REG_WR(bp, port ? NIG_REG_P1_PTP_EN :
9265                NIG_REG_P0_PTP_EN, 0x0);
9266 }
9267
9268 /* Called during unload, to stop PTP-related stuff */
9269 static void bnx2x_stop_ptp(struct bnx2x *bp)
9270 {
9271         /* Cancel PTP work queue. Should be done after the Tx queues are
9272          * drained to prevent additional scheduling.
9273          */
9274         cancel_work_sync(&bp->ptp_task);
9275
9276         if (bp->ptp_tx_skb) {
9277                 dev_kfree_skb_any(bp->ptp_tx_skb);
9278                 bp->ptp_tx_skb = NULL;
9279         }
9280
9281         /* Disable PTP in HW */
9282         bnx2x_disable_ptp(bp);
9283
9284         DP(BNX2X_MSG_PTP, "PTP stop ended successfully\n");
9285 }
9286
9287 void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode, bool keep_link)
9288 {
9289         int port = BP_PORT(bp);
9290         int i, rc = 0;
9291         u8 cos;
9292         struct bnx2x_mcast_ramrod_params rparam = {NULL};
9293         u32 reset_code;
9294
9295         /* Wait until tx fastpath tasks complete */
9296         for_each_tx_queue(bp, i) {
9297                 struct bnx2x_fastpath *fp = &bp->fp[i];
9298
9299                 for_each_cos_in_tx_queue(fp, cos)
9300                         rc = bnx2x_clean_tx_queue(bp, fp->txdata_ptr[cos]);
9301 #ifdef BNX2X_STOP_ON_ERROR
9302                 if (rc)
9303                         return;
9304 #endif
9305         }
9306
9307         /* Give HW time to discard old tx messages */
9308         usleep_range(1000, 2000);
9309
9310         /* Clean all ETH MACs */
9311         rc = bnx2x_del_all_macs(bp, &bp->sp_objs[0].mac_obj, BNX2X_ETH_MAC,
9312                                 false);
9313         if (rc < 0)
9314                 BNX2X_ERR("Failed to delete all ETH macs: %d\n", rc);
9315
9316         /* Clean up UC list  */
9317         rc = bnx2x_del_all_macs(bp, &bp->sp_objs[0].mac_obj, BNX2X_UC_LIST_MAC,
9318                                 true);
9319         if (rc < 0)
9320                 BNX2X_ERR("Failed to schedule DEL commands for UC MACs list: %d\n",
9321                           rc);
9322
9323         /* Disable LLH */
9324         if (!CHIP_IS_E1(bp))
9325                 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
9326
9327         /* Set "drop all" (stop Rx).
9328          * We need to take a netif_addr_lock() here in order to prevent
9329          * a race between the completion code and this code.
9330          */
9331         netif_addr_lock_bh(bp->dev);
9332         /* Schedule the rx_mode command */
9333         if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state))
9334                 set_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state);
9335         else
9336                 bnx2x_set_storm_rx_mode(bp);
9337
9338         /* Cleanup multicast configuration */
9339         rparam.mcast_obj = &bp->mcast_obj;
9340         rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_DEL);
9341         if (rc < 0)
9342                 BNX2X_ERR("Failed to send DEL multicast command: %d\n", rc);
9343
9344         netif_addr_unlock_bh(bp->dev);
9345
9346         bnx2x_iov_chip_cleanup(bp);
9347
9348         /*
9349          * Send the UNLOAD_REQUEST to the MCP. This will return if
9350          * this function should perform FUNC, PORT or COMMON HW
9351          * reset.
9352          */
9353         reset_code = bnx2x_send_unload_req(bp, unload_mode);
9354
9355         /*
9356          * (assumption: No Attention from MCP at this stage)
9357          * PMF probably in the middle of TX disable/enable transaction
9358          */
9359         rc = bnx2x_func_wait_started(bp);
9360         if (rc) {
9361                 BNX2X_ERR("bnx2x_func_wait_started failed\n");
9362 #ifdef BNX2X_STOP_ON_ERROR
9363                 return;
9364 #endif
9365         }
9366
9367         /* Close multi and leading connections
9368          * Completions for ramrods are collected in a synchronous way
9369          */
9370         for_each_eth_queue(bp, i)
9371                 if (bnx2x_stop_queue(bp, i))
9372 #ifdef BNX2X_STOP_ON_ERROR
9373                         return;
9374 #else
9375                         goto unload_error;
9376 #endif
9377
9378         if (CNIC_LOADED(bp)) {
9379                 for_each_cnic_queue(bp, i)
9380                         if (bnx2x_stop_queue(bp, i))
9381 #ifdef BNX2X_STOP_ON_ERROR
9382                                 return;
9383 #else
9384                                 goto unload_error;
9385 #endif
9386         }
9387
9388         /* If SP settings didn't get completed so far - something
9389          * very wrong has happen.
9390          */
9391         if (!bnx2x_wait_sp_comp(bp, ~0x0UL))
9392                 BNX2X_ERR("Hmmm... Common slow path ramrods got stuck!\n");
9393
9394 #ifndef BNX2X_STOP_ON_ERROR
9395 unload_error:
9396 #endif
9397         rc = bnx2x_func_stop(bp);
9398         if (rc) {
9399                 BNX2X_ERR("Function stop failed!\n");
9400 #ifdef BNX2X_STOP_ON_ERROR
9401                 return;
9402 #endif
9403         }
9404
9405         /* stop_ptp should be after the Tx queues are drained to prevent
9406          * scheduling to the cancelled PTP work queue. It should also be after
9407          * function stop ramrod is sent, since as part of this ramrod FW access
9408          * PTP registers.
9409          */
9410         if (bp->flags & PTP_SUPPORTED)
9411                 bnx2x_stop_ptp(bp);
9412
9413         /* Disable HW interrupts, NAPI */
9414         bnx2x_netif_stop(bp, 1);
9415         /* Delete all NAPI objects */
9416         bnx2x_del_all_napi(bp);
9417         if (CNIC_LOADED(bp))
9418                 bnx2x_del_all_napi_cnic(bp);
9419
9420         /* Release IRQs */
9421         bnx2x_free_irq(bp);
9422
9423         /* Reset the chip */
9424         rc = bnx2x_reset_hw(bp, reset_code);
9425         if (rc)
9426                 BNX2X_ERR("HW_RESET failed\n");
9427
9428         /* Report UNLOAD_DONE to MCP */
9429         bnx2x_send_unload_done(bp, keep_link);
9430 }
9431
9432 void bnx2x_disable_close_the_gate(struct bnx2x *bp)
9433 {
9434         u32 val;
9435
9436         DP(NETIF_MSG_IFDOWN, "Disabling \"close the gates\"\n");
9437
9438         if (CHIP_IS_E1(bp)) {
9439                 int port = BP_PORT(bp);
9440                 u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
9441                         MISC_REG_AEU_MASK_ATTN_FUNC_0;
9442
9443                 val = REG_RD(bp, addr);
9444                 val &= ~(0x300);
9445                 REG_WR(bp, addr, val);
9446         } else {
9447                 val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
9448                 val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
9449                          MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
9450                 REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
9451         }
9452 }
9453
9454 /* Close gates #2, #3 and #4: */
9455 static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
9456 {
9457         u32 val;
9458
9459         /* Gates #2 and #4a are closed/opened for "not E1" only */
9460         if (!CHIP_IS_E1(bp)) {
9461                 /* #4 */
9462                 REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS, !!close);
9463                 /* #2 */
9464                 REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES, !!close);
9465         }
9466
9467         /* #3 */
9468         if (CHIP_IS_E1x(bp)) {
9469                 /* Prevent interrupts from HC on both ports */
9470                 val = REG_RD(bp, HC_REG_CONFIG_1);
9471                 REG_WR(bp, HC_REG_CONFIG_1,
9472                        (!close) ? (val | HC_CONFIG_1_REG_BLOCK_DISABLE_1) :
9473                        (val & ~(u32)HC_CONFIG_1_REG_BLOCK_DISABLE_1));
9474
9475                 val = REG_RD(bp, HC_REG_CONFIG_0);
9476                 REG_WR(bp, HC_REG_CONFIG_0,
9477                        (!close) ? (val | HC_CONFIG_0_REG_BLOCK_DISABLE_0) :
9478                        (val & ~(u32)HC_CONFIG_0_REG_BLOCK_DISABLE_0));
9479         } else {
9480                 /* Prevent incoming interrupts in IGU */
9481                 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
9482
9483                 REG_WR(bp, IGU_REG_BLOCK_CONFIGURATION,
9484                        (!close) ?
9485                        (val | IGU_BLOCK_CONFIGURATION_REG_BLOCK_ENABLE) :
9486                        (val & ~(u32)IGU_BLOCK_CONFIGURATION_REG_BLOCK_ENABLE));
9487         }
9488
9489         DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "%s gates #2, #3 and #4\n",
9490                 close ? "closing" : "opening");
9491         mmiowb();
9492 }
9493
9494 #define SHARED_MF_CLP_MAGIC  0x80000000 /* `magic' bit */
9495
9496 static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
9497 {
9498         /* Do some magic... */
9499         u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
9500         *magic_val = val & SHARED_MF_CLP_MAGIC;
9501         MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
9502 }
9503
9504 /**
9505  * bnx2x_clp_reset_done - restore the value of the `magic' bit.
9506  *
9507  * @bp:         driver handle
9508  * @magic_val:  old value of the `magic' bit.
9509  */
9510 static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
9511 {
9512         /* Restore the `magic' bit value... */
9513         u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
9514         MF_CFG_WR(bp, shared_mf_config.clp_mb,
9515                 (val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
9516 }
9517
9518 /**
9519  * bnx2x_reset_mcp_prep - prepare for MCP reset.
9520  *
9521  * @bp:         driver handle
9522  * @magic_val:  old value of 'magic' bit.
9523  *
9524  * Takes care of CLP configurations.
9525  */
9526 static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
9527 {
9528         u32 shmem;
9529         u32 validity_offset;
9530
9531         DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "Starting\n");
9532
9533         /* Set `magic' bit in order to save MF config */
9534         if (!CHIP_IS_E1(bp))
9535                 bnx2x_clp_reset_prep(bp, magic_val);
9536
9537         /* Get shmem offset */
9538         shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
9539         validity_offset =
9540                 offsetof(struct shmem_region, validity_map[BP_PORT(bp)]);
9541
9542         /* Clear validity map flags */
9543         if (shmem > 0)
9544                 REG_WR(bp, shmem + validity_offset, 0);
9545 }
9546
9547 #define MCP_TIMEOUT      5000   /* 5 seconds (in ms) */
9548 #define MCP_ONE_TIMEOUT  100    /* 100 ms */
9549
9550 /**
9551  * bnx2x_mcp_wait_one - wait for MCP_ONE_TIMEOUT
9552  *
9553  * @bp: driver handle
9554  */
9555 static void bnx2x_mcp_wait_one(struct bnx2x *bp)
9556 {
9557         /* special handling for emulation and FPGA,
9558            wait 10 times longer */
9559         if (CHIP_REV_IS_SLOW(bp))
9560                 msleep(MCP_ONE_TIMEOUT*10);
9561         else
9562                 msleep(MCP_ONE_TIMEOUT);
9563 }
9564
9565 /*
9566  * initializes bp->common.shmem_base and waits for validity signature to appear
9567  */
9568 static int bnx2x_init_shmem(struct bnx2x *bp)
9569 {
9570         int cnt = 0;
9571         u32 val = 0;
9572
9573         do {
9574                 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
9575                 if (bp->common.shmem_base) {
9576                         val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
9577                         if (val & SHR_MEM_VALIDITY_MB)
9578                                 return 0;
9579                 }
9580
9581                 bnx2x_mcp_wait_one(bp);
9582
9583         } while (cnt++ < (MCP_TIMEOUT / MCP_ONE_TIMEOUT));
9584
9585         BNX2X_ERR("BAD MCP validity signature\n");
9586
9587         return -ENODEV;
9588 }
9589
9590 static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
9591 {
9592         int rc = bnx2x_init_shmem(bp);
9593
9594         /* Restore the `magic' bit value */
9595         if (!CHIP_IS_E1(bp))
9596                 bnx2x_clp_reset_done(bp, magic_val);
9597
9598         return rc;
9599 }
9600
9601 static void bnx2x_pxp_prep(struct bnx2x *bp)
9602 {
9603         if (!CHIP_IS_E1(bp)) {
9604                 REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
9605                 REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
9606                 mmiowb();
9607         }
9608 }
9609
9610 /*
9611  * Reset the whole chip except for:
9612  *      - PCIE core
9613  *      - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
9614  *              one reset bit)
9615  *      - IGU
9616  *      - MISC (including AEU)
9617  *      - GRC
9618  *      - RBCN, RBCP
9619  */
9620 static void bnx2x_process_kill_chip_reset(struct bnx2x *bp, bool global)
9621 {
9622         u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;
9623         u32 global_bits2, stay_reset2;
9624
9625         /*
9626          * Bits that have to be set in reset_mask2 if we want to reset 'global'
9627          * (per chip) blocks.
9628          */
9629         global_bits2 =
9630                 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_CMN_CPU |
9631                 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_CMN_CORE;
9632
9633         /* Don't reset the following blocks.
9634          * Important: per port blocks (such as EMAC, BMAC, UMAC) can't be
9635          *            reset, as in 4 port device they might still be owned
9636          *            by the MCP (there is only one leader per path).
9637          */
9638         not_reset_mask1 =
9639                 MISC_REGISTERS_RESET_REG_1_RST_HC |
9640                 MISC_REGISTERS_RESET_REG_1_RST_PXPV |
9641                 MISC_REGISTERS_RESET_REG_1_RST_PXP;
9642
9643         not_reset_mask2 =
9644                 MISC_REGISTERS_RESET_REG_2_RST_PCI_MDIO |
9645                 MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
9646                 MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
9647                 MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
9648                 MISC_REGISTERS_RESET_REG_2_RST_RBCN |
9649                 MISC_REGISTERS_RESET_REG_2_RST_GRC  |
9650                 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
9651                 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B |
9652                 MISC_REGISTERS_RESET_REG_2_RST_ATC |
9653                 MISC_REGISTERS_RESET_REG_2_PGLC |
9654                 MISC_REGISTERS_RESET_REG_2_RST_BMAC0 |
9655                 MISC_REGISTERS_RESET_REG_2_RST_BMAC1 |
9656                 MISC_REGISTERS_RESET_REG_2_RST_EMAC0 |
9657                 MISC_REGISTERS_RESET_REG_2_RST_EMAC1 |
9658                 MISC_REGISTERS_RESET_REG_2_UMAC0 |
9659                 MISC_REGISTERS_RESET_REG_2_UMAC1;
9660
9661         /*
9662          * Keep the following blocks in reset:
9663          *  - all xxMACs are handled by the bnx2x_link code.
9664          */
9665         stay_reset2 =
9666                 MISC_REGISTERS_RESET_REG_2_XMAC |
9667                 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT;
9668
9669         /* Full reset masks according to the chip */
9670         reset_mask1 = 0xffffffff;
9671
9672         if (CHIP_IS_E1(bp))
9673                 reset_mask2 = 0xffff;
9674         else if (CHIP_IS_E1H(bp))
9675                 reset_mask2 = 0x1ffff;
9676         else if (CHIP_IS_E2(bp))
9677                 reset_mask2 = 0xfffff;
9678         else /* CHIP_IS_E3 */
9679                 reset_mask2 = 0x3ffffff;
9680
9681         /* Don't reset global blocks unless we need to */
9682         if (!global)
9683                 reset_mask2 &= ~global_bits2;
9684
9685         /*
9686          * In case of attention in the QM, we need to reset PXP
9687          * (MISC_REGISTERS_RESET_REG_2_RST_PXP_RQ_RD_WR) before QM
9688          * because otherwise QM reset would release 'close the gates' shortly
9689          * before resetting the PXP, then the PSWRQ would send a write
9690          * request to PGLUE. Then when PXP is reset, PGLUE would try to
9691          * read the payload data from PSWWR, but PSWWR would not
9692          * respond. The write queue in PGLUE would stuck, dmae commands
9693          * would not return. Therefore it's important to reset the second
9694          * reset register (containing the
9695          * MISC_REGISTERS_RESET_REG_2_RST_PXP_RQ_RD_WR bit) before the
9696          * first one (containing the MISC_REGISTERS_RESET_REG_1_RST_QM
9697          * bit).
9698          */
9699         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
9700                reset_mask2 & (~not_reset_mask2));
9701
9702         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
9703                reset_mask1 & (~not_reset_mask1));
9704
9705         barrier();
9706         mmiowb();
9707
9708         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
9709                reset_mask2 & (~stay_reset2));
9710
9711         barrier();
9712         mmiowb();
9713
9714         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
9715         mmiowb();
9716 }
9717
9718 /**
9719  * bnx2x_er_poll_igu_vq - poll for pending writes bit.
9720  * It should get cleared in no more than 1s.
9721  *
9722  * @bp: driver handle
9723  *
9724  * It should get cleared in no more than 1s. Returns 0 if
9725  * pending writes bit gets cleared.
9726  */
9727 static int bnx2x_er_poll_igu_vq(struct bnx2x *bp)
9728 {
9729         u32 cnt = 1000;
9730         u32 pend_bits = 0;
9731
9732         do {
9733                 pend_bits  = REG_RD(bp, IGU_REG_PENDING_BITS_STATUS);
9734
9735                 if (pend_bits == 0)
9736                         break;
9737
9738                 usleep_range(1000, 2000);
9739         } while (cnt-- > 0);
9740
9741         if (cnt <= 0) {
9742                 BNX2X_ERR("Still pending IGU requests pend_bits=%x!\n",
9743                           pend_bits);
9744                 return -EBUSY;
9745         }
9746
9747         return 0;
9748 }
9749
9750 static int bnx2x_process_kill(struct bnx2x *bp, bool global)
9751 {
9752         int cnt = 1000;
9753         u32 val = 0;
9754         u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;
9755         u32 tags_63_32 = 0;
9756
9757         /* Empty the Tetris buffer, wait for 1s */
9758         do {
9759                 sr_cnt  = REG_RD(bp, PXP2_REG_RD_SR_CNT);
9760                 blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
9761                 port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
9762                 port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
9763                 pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
9764                 if (CHIP_IS_E3(bp))
9765                         tags_63_32 = REG_RD(bp, PGLUE_B_REG_TAGS_63_32);
9766
9767                 if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
9768                     ((port_is_idle_0 & 0x1) == 0x1) &&
9769                     ((port_is_idle_1 & 0x1) == 0x1) &&
9770                     (pgl_exp_rom2 == 0xffffffff) &&
9771                     (!CHIP_IS_E3(bp) || (tags_63_32 == 0xffffffff)))
9772                         break;
9773                 usleep_range(1000, 2000);
9774         } while (cnt-- > 0);
9775
9776         if (cnt <= 0) {
9777                 BNX2X_ERR("Tetris buffer didn't get empty or there are still outstanding read requests after 1s!\n");
9778                 BNX2X_ERR("sr_cnt=0x%08x, blk_cnt=0x%08x, port_is_idle_0=0x%08x, port_is_idle_1=0x%08x, pgl_exp_rom2=0x%08x\n",
9779                           sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
9780                           pgl_exp_rom2);
9781                 return -EAGAIN;
9782         }
9783
9784         barrier();
9785
9786         /* Close gates #2, #3 and #4 */
9787         bnx2x_set_234_gates(bp, true);
9788
9789         /* Poll for IGU VQs for 57712 and newer chips */
9790         if (!CHIP_IS_E1x(bp) && bnx2x_er_poll_igu_vq(bp))
9791                 return -EAGAIN;
9792
9793         /* TBD: Indicate that "process kill" is in progress to MCP */
9794
9795         /* Clear "unprepared" bit */
9796         REG_WR(bp, MISC_REG_UNPREPARED, 0);
9797         barrier();
9798
9799         /* Make sure all is written to the chip before the reset */
9800         mmiowb();
9801
9802         /* Wait for 1ms to empty GLUE and PCI-E core queues,
9803          * PSWHST, GRC and PSWRD Tetris buffer.
9804          */
9805         usleep_range(1000, 2000);
9806
9807         /* Prepare to chip reset: */
9808         /* MCP */
9809         if (global)
9810                 bnx2x_reset_mcp_prep(bp, &val);
9811
9812         /* PXP */
9813         bnx2x_pxp_prep(bp);
9814         barrier();
9815
9816         /* reset the chip */
9817         bnx2x_process_kill_chip_reset(bp, global);
9818         barrier();
9819
9820         /* clear errors in PGB */
9821         if (!CHIP_IS_E1x(bp))
9822                 REG_WR(bp, PGLUE_B_REG_LATCHED_ERRORS_CLR, 0x7f);
9823
9824         /* Recover after reset: */
9825         /* MCP */
9826         if (global && bnx2x_reset_mcp_comp(bp, val))
9827                 return -EAGAIN;
9828
9829         /* TBD: Add resetting the NO_MCP mode DB here */
9830
9831         /* Open the gates #2, #3 and #4 */
9832         bnx2x_set_234_gates(bp, false);
9833
9834         /* TBD: IGU/AEU preparation bring back the AEU/IGU to a
9835          * reset state, re-enable attentions. */
9836
9837         return 0;
9838 }
9839
9840 static int bnx2x_leader_reset(struct bnx2x *bp)
9841 {
9842         int rc = 0;
9843         bool global = bnx2x_reset_is_global(bp);
9844         u32 load_code;
9845
9846         /* if not going to reset MCP - load "fake" driver to reset HW while
9847          * driver is owner of the HW
9848          */
9849         if (!global && !BP_NOMCP(bp)) {
9850                 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ,
9851                                              DRV_MSG_CODE_LOAD_REQ_WITH_LFA);
9852                 if (!load_code) {
9853                         BNX2X_ERR("MCP response failure, aborting\n");
9854                         rc = -EAGAIN;
9855                         goto exit_leader_reset;
9856                 }
9857                 if ((load_code != FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) &&
9858                     (load_code != FW_MSG_CODE_DRV_LOAD_COMMON)) {
9859                         BNX2X_ERR("MCP unexpected resp, aborting\n");
9860                         rc = -EAGAIN;
9861                         goto exit_leader_reset2;
9862                 }
9863                 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE, 0);
9864                 if (!load_code) {
9865                         BNX2X_ERR("MCP response failure, aborting\n");
9866                         rc = -EAGAIN;
9867                         goto exit_leader_reset2;
9868                 }
9869         }
9870
9871         /* Try to recover after the failure */
9872         if (bnx2x_process_kill(bp, global)) {
9873                 BNX2X_ERR("Something bad had happen on engine %d! Aii!\n",
9874                           BP_PATH(bp));
9875                 rc = -EAGAIN;
9876                 goto exit_leader_reset2;
9877         }
9878
9879         /*
9880          * Clear RESET_IN_PROGRES and RESET_GLOBAL bits and update the driver
9881          * state.
9882          */
9883         bnx2x_set_reset_done(bp);
9884         if (global)
9885                 bnx2x_clear_reset_global(bp);
9886
9887 exit_leader_reset2:
9888         /* unload "fake driver" if it was loaded */
9889         if (!global && !BP_NOMCP(bp)) {
9890                 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP, 0);
9891                 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
9892         }
9893 exit_leader_reset:
9894         bp->is_leader = 0;
9895         bnx2x_release_leader_lock(bp);
9896         smp_mb();
9897         return rc;
9898 }
9899
9900 static void bnx2x_recovery_failed(struct bnx2x *bp)
9901 {
9902         netdev_err(bp->dev, "Recovery has failed. Power cycle is needed.\n");
9903
9904         /* Disconnect this device */
9905         netif_device_detach(bp->dev);
9906
9907         /*
9908          * Block ifup for all function on this engine until "process kill"
9909          * or power cycle.
9910          */
9911         bnx2x_set_reset_in_progress(bp);
9912
9913         /* Shut down the power */
9914         bnx2x_set_power_state(bp, PCI_D3hot);
9915
9916         bp->recovery_state = BNX2X_RECOVERY_FAILED;
9917
9918         smp_mb();
9919 }
9920
9921 /*
9922  * Assumption: runs under rtnl lock. This together with the fact
9923  * that it's called only from bnx2x_sp_rtnl() ensure that it
9924  * will never be called when netif_running(bp->dev) is false.
9925  */
9926 static void bnx2x_parity_recover(struct bnx2x *bp)
9927 {
9928         bool global = false;
9929         u32 error_recovered, error_unrecovered;
9930         bool is_parity;
9931
9932         DP(NETIF_MSG_HW, "Handling parity\n");
9933         while (1) {
9934                 switch (bp->recovery_state) {
9935                 case BNX2X_RECOVERY_INIT:
9936                         DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
9937                         is_parity = bnx2x_chk_parity_attn(bp, &global, false);
9938                         WARN_ON(!is_parity);
9939
9940                         /* Try to get a LEADER_LOCK HW lock */
9941                         if (bnx2x_trylock_leader_lock(bp)) {
9942                                 bnx2x_set_reset_in_progress(bp);
9943                                 /*
9944                                  * Check if there is a global attention and if
9945                                  * there was a global attention, set the global
9946                                  * reset bit.
9947                                  */
9948
9949                                 if (global)
9950                                         bnx2x_set_reset_global(bp);
9951
9952                                 bp->is_leader = 1;
9953                         }
9954
9955                         /* Stop the driver */
9956                         /* If interface has been removed - break */
9957                         if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY, false))
9958                                 return;
9959
9960                         bp->recovery_state = BNX2X_RECOVERY_WAIT;
9961
9962                         /* Ensure "is_leader", MCP command sequence and
9963                          * "recovery_state" update values are seen on other
9964                          * CPUs.
9965                          */
9966                         smp_mb();
9967                         break;
9968
9969                 case BNX2X_RECOVERY_WAIT:
9970                         DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
9971                         if (bp->is_leader) {
9972                                 int other_engine = BP_PATH(bp) ? 0 : 1;
9973                                 bool other_load_status =
9974                                         bnx2x_get_load_status(bp, other_engine);
9975                                 bool load_status =
9976                                         bnx2x_get_load_status(bp, BP_PATH(bp));
9977                                 global = bnx2x_reset_is_global(bp);
9978
9979                                 /*
9980                                  * In case of a parity in a global block, let
9981                                  * the first leader that performs a
9982                                  * leader_reset() reset the global blocks in
9983                                  * order to clear global attentions. Otherwise
9984                                  * the gates will remain closed for that
9985                                  * engine.
9986                                  */
9987                                 if (load_status ||
9988                                     (global && other_load_status)) {
9989                                         /* Wait until all other functions get
9990                                          * down.
9991                                          */
9992                                         schedule_delayed_work(&bp->sp_rtnl_task,
9993                                                                 HZ/10);
9994                                         return;
9995                                 } else {
9996                                         /* If all other functions got down -
9997                                          * try to bring the chip back to
9998                                          * normal. In any case it's an exit
9999                                          * point for a leader.
10000                                          */
10001                                         if (bnx2x_leader_reset(bp)) {
10002                                                 bnx2x_recovery_failed(bp);
10003                                                 return;
10004                                         }
10005
10006                                         /* If we are here, means that the
10007                                          * leader has succeeded and doesn't
10008                                          * want to be a leader any more. Try
10009                                          * to continue as a none-leader.
10010                                          */
10011                                         break;
10012                                 }
10013                         } else { /* non-leader */
10014                                 if (!bnx2x_reset_is_done(bp, BP_PATH(bp))) {
10015                                         /* Try to get a LEADER_LOCK HW lock as
10016                                          * long as a former leader may have
10017                                          * been unloaded by the user or
10018                                          * released a leadership by another
10019                                          * reason.
10020                                          */
10021                                         if (bnx2x_trylock_leader_lock(bp)) {
10022                                                 /* I'm a leader now! Restart a
10023                                                  * switch case.
10024                                                  */
10025                                                 bp->is_leader = 1;
10026                                                 break;
10027                                         }
10028
10029                                         schedule_delayed_work(&bp->sp_rtnl_task,
10030                                                                 HZ/10);
10031                                         return;
10032
10033                                 } else {
10034                                         /*
10035                                          * If there was a global attention, wait
10036                                          * for it to be cleared.
10037                                          */
10038                                         if (bnx2x_reset_is_global(bp)) {
10039                                                 schedule_delayed_work(
10040                                                         &bp->sp_rtnl_task,
10041                                                         HZ/10);
10042                                                 return;
10043                                         }
10044
10045                                         error_recovered =
10046                                           bp->eth_stats.recoverable_error;
10047                                         error_unrecovered =
10048                                           bp->eth_stats.unrecoverable_error;
10049                                         bp->recovery_state =
10050                                                 BNX2X_RECOVERY_NIC_LOADING;
10051                                         if (bnx2x_nic_load(bp, LOAD_NORMAL)) {
10052                                                 error_unrecovered++;
10053                                                 netdev_err(bp->dev,
10054                                                            "Recovery failed. Power cycle needed\n");
10055                                                 /* Disconnect this device */
10056                                                 netif_device_detach(bp->dev);
10057                                                 /* Shut down the power */
10058                                                 bnx2x_set_power_state(
10059                                                         bp, PCI_D3hot);
10060                                                 smp_mb();
10061                                         } else {
10062                                                 bp->recovery_state =
10063                                                         BNX2X_RECOVERY_DONE;
10064                                                 error_recovered++;
10065                                                 smp_mb();
10066                                         }
10067                                         bp->eth_stats.recoverable_error =
10068                                                 error_recovered;
10069                                         bp->eth_stats.unrecoverable_error =
10070                                                 error_unrecovered;
10071
10072                                         return;
10073                                 }
10074                         }
10075                 default:
10076                         return;
10077                 }
10078         }
10079 }
10080
10081 #if defined(CONFIG_BNX2X_VXLAN) || IS_ENABLED(CONFIG_GENEVE)
10082 static int bnx2x_udp_port_update(struct bnx2x *bp)
10083 {
10084         struct bnx2x_func_switch_update_params *switch_update_params;
10085         struct bnx2x_func_state_params func_params = {NULL};
10086         struct bnx2x_udp_tunnel *udp_tunnel;
10087         u16 vxlan_port = 0, geneve_port = 0;
10088         int rc;
10089
10090         switch_update_params = &func_params.params.switch_update;
10091
10092         /* Prepare parameters for function state transitions */
10093         __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
10094         __set_bit(RAMROD_RETRY, &func_params.ramrod_flags);
10095
10096         func_params.f_obj = &bp->func_obj;
10097         func_params.cmd = BNX2X_F_CMD_SWITCH_UPDATE;
10098
10099         /* Function parameters */
10100         __set_bit(BNX2X_F_UPDATE_TUNNEL_CFG_CHNG,
10101                   &switch_update_params->changes);
10102
10103         if (bp->udp_tunnel_ports[BNX2X_UDP_PORT_GENEVE].count) {
10104                 udp_tunnel = &bp->udp_tunnel_ports[BNX2X_UDP_PORT_GENEVE];
10105                 geneve_port = udp_tunnel->dst_port;
10106                 switch_update_params->geneve_dst_port = geneve_port;
10107         }
10108
10109         if (bp->udp_tunnel_ports[BNX2X_UDP_PORT_VXLAN].count) {
10110                 udp_tunnel = &bp->udp_tunnel_ports[BNX2X_UDP_PORT_VXLAN];
10111                 vxlan_port = udp_tunnel->dst_port;
10112                 switch_update_params->vxlan_dst_port = vxlan_port;
10113         }
10114
10115         /* Re-enable inner-rss for the offloaded UDP tunnels */
10116         __set_bit(BNX2X_F_UPDATE_TUNNEL_INNER_RSS,
10117                   &switch_update_params->changes);
10118
10119         rc = bnx2x_func_state_change(bp, &func_params);
10120         if (rc)
10121                 BNX2X_ERR("failed to set UDP dst port to %04x %04x (rc = 0x%x)\n",
10122                           vxlan_port, geneve_port, rc);
10123         else
10124                 DP(BNX2X_MSG_SP,
10125                    "Configured UDP ports: Vxlan [%04x] Geneve [%04x]\n",
10126                    vxlan_port, geneve_port);
10127
10128         return rc;
10129 }
10130
10131 static void __bnx2x_add_udp_port(struct bnx2x *bp, u16 port,
10132                                  enum bnx2x_udp_port_type type)
10133 {
10134         struct bnx2x_udp_tunnel *udp_port = &bp->udp_tunnel_ports[type];
10135
10136         if (!netif_running(bp->dev) || !IS_PF(bp))
10137                 return;
10138
10139         if (udp_port->count && udp_port->dst_port == port) {
10140                 udp_port->count++;
10141                 return;
10142         }
10143
10144         if (udp_port->count) {
10145                 DP(BNX2X_MSG_SP,
10146                    "UDP tunnel [%d] -  destination port limit reached\n",
10147                    type);
10148                 return;
10149         }
10150
10151         udp_port->dst_port = port;
10152         udp_port->count = 1;
10153         bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_CHANGE_UDP_PORT, 0);
10154 }
10155
10156 static void __bnx2x_del_udp_port(struct bnx2x *bp, u16 port,
10157                                  enum bnx2x_udp_port_type type)
10158 {
10159         struct bnx2x_udp_tunnel *udp_port = &bp->udp_tunnel_ports[type];
10160
10161         if (!IS_PF(bp))
10162                 return;
10163
10164         if (!udp_port->count || udp_port->dst_port != port) {
10165                 DP(BNX2X_MSG_SP, "Invalid UDP tunnel [%d] port\n",
10166                    type);
10167                 return;
10168         }
10169
10170         /* Remove reference, and make certain it's no longer in use */
10171         udp_port->count--;
10172         if (udp_port->count)
10173                 return;
10174         udp_port->dst_port = 0;
10175
10176         if (netif_running(bp->dev))
10177                 bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_CHANGE_UDP_PORT, 0);
10178         else
10179                 DP(BNX2X_MSG_SP, "Deleted UDP tunnel [%d] port %d\n",
10180                    type, port);
10181 }
10182 #endif
10183
10184 #ifdef CONFIG_BNX2X_VXLAN
10185 static void bnx2x_add_vxlan_port(struct net_device *netdev,
10186                                  sa_family_t sa_family, __be16 port)
10187 {
10188         struct bnx2x *bp = netdev_priv(netdev);
10189         u16 t_port = ntohs(port);
10190
10191         __bnx2x_add_udp_port(bp, t_port, BNX2X_UDP_PORT_VXLAN);
10192 }
10193
10194 static void bnx2x_del_vxlan_port(struct net_device *netdev,
10195                                  sa_family_t sa_family, __be16 port)
10196 {
10197         struct bnx2x *bp = netdev_priv(netdev);
10198         u16 t_port = ntohs(port);
10199
10200         __bnx2x_del_udp_port(bp, t_port, BNX2X_UDP_PORT_VXLAN);
10201 }
10202 #endif
10203
10204 #if IS_ENABLED(CONFIG_GENEVE)
10205 static void bnx2x_add_geneve_port(struct net_device *netdev,
10206                                   sa_family_t sa_family, __be16 port)
10207 {
10208         struct bnx2x *bp = netdev_priv(netdev);
10209         u16 t_port = ntohs(port);
10210
10211         __bnx2x_add_udp_port(bp, t_port, BNX2X_UDP_PORT_GENEVE);
10212 }
10213
10214 static void bnx2x_del_geneve_port(struct net_device *netdev,
10215                                   sa_family_t sa_family, __be16 port)
10216 {
10217         struct bnx2x *bp = netdev_priv(netdev);
10218         u16 t_port = ntohs(port);
10219
10220         __bnx2x_del_udp_port(bp, t_port, BNX2X_UDP_PORT_GENEVE);
10221 }
10222 #endif
10223
10224 static int bnx2x_close(struct net_device *dev);
10225
10226 /* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
10227  * scheduled on a general queue in order to prevent a dead lock.
10228  */
10229 static void bnx2x_sp_rtnl_task(struct work_struct *work)
10230 {
10231         struct bnx2x *bp = container_of(work, struct bnx2x, sp_rtnl_task.work);
10232
10233         rtnl_lock();
10234
10235         if (!netif_running(bp->dev)) {
10236                 rtnl_unlock();
10237                 return;
10238         }
10239
10240         if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE)) {
10241 #ifdef BNX2X_STOP_ON_ERROR
10242                 BNX2X_ERR("recovery flow called but STOP_ON_ERROR defined so reset not done to allow debug dump,\n"
10243                           "you will need to reboot when done\n");
10244                 goto sp_rtnl_not_reset;
10245 #endif
10246                 /*
10247                  * Clear all pending SP commands as we are going to reset the
10248                  * function anyway.
10249                  */
10250                 bp->sp_rtnl_state = 0;
10251                 smp_mb();
10252
10253                 bnx2x_parity_recover(bp);
10254
10255                 rtnl_unlock();
10256                 return;
10257         }
10258
10259         if (test_and_clear_bit(BNX2X_SP_RTNL_TX_TIMEOUT, &bp->sp_rtnl_state)) {
10260 #ifdef BNX2X_STOP_ON_ERROR
10261                 BNX2X_ERR("recovery flow called but STOP_ON_ERROR defined so reset not done to allow debug dump,\n"
10262                           "you will need to reboot when done\n");
10263                 goto sp_rtnl_not_reset;
10264 #endif
10265
10266                 /*
10267                  * Clear all pending SP commands as we are going to reset the
10268                  * function anyway.
10269                  */
10270                 bp->sp_rtnl_state = 0;
10271                 smp_mb();
10272
10273                 bnx2x_nic_unload(bp, UNLOAD_NORMAL, true);
10274                 bnx2x_nic_load(bp, LOAD_NORMAL);
10275
10276                 rtnl_unlock();
10277                 return;
10278         }
10279 #ifdef BNX2X_STOP_ON_ERROR
10280 sp_rtnl_not_reset:
10281 #endif
10282         if (test_and_clear_bit(BNX2X_SP_RTNL_SETUP_TC, &bp->sp_rtnl_state))
10283                 bnx2x_setup_tc(bp->dev, bp->dcbx_port_params.ets.num_of_cos);
10284         if (test_and_clear_bit(BNX2X_SP_RTNL_AFEX_F_UPDATE, &bp->sp_rtnl_state))
10285                 bnx2x_after_function_update(bp);
10286         /*
10287          * in case of fan failure we need to reset id if the "stop on error"
10288          * debug flag is set, since we trying to prevent permanent overheating
10289          * damage
10290          */
10291         if (test_and_clear_bit(BNX2X_SP_RTNL_FAN_FAILURE, &bp->sp_rtnl_state)) {
10292                 DP(NETIF_MSG_HW, "fan failure detected. Unloading driver\n");
10293                 netif_device_detach(bp->dev);
10294                 bnx2x_close(bp->dev);
10295                 rtnl_unlock();
10296                 return;
10297         }
10298
10299         if (test_and_clear_bit(BNX2X_SP_RTNL_VFPF_MCAST, &bp->sp_rtnl_state)) {
10300                 DP(BNX2X_MSG_SP,
10301                    "sending set mcast vf pf channel message from rtnl sp-task\n");
10302                 bnx2x_vfpf_set_mcast(bp->dev);
10303         }
10304         if (test_and_clear_bit(BNX2X_SP_RTNL_VFPF_CHANNEL_DOWN,
10305                                &bp->sp_rtnl_state)){
10306                 if (!test_bit(__LINK_STATE_NOCARRIER, &bp->dev->state)) {
10307                         bnx2x_tx_disable(bp);
10308                         BNX2X_ERR("PF indicated channel is not servicable anymore. This means this VF device is no longer operational\n");
10309                 }
10310         }
10311
10312         if (test_and_clear_bit(BNX2X_SP_RTNL_RX_MODE, &bp->sp_rtnl_state)) {
10313                 DP(BNX2X_MSG_SP, "Handling Rx Mode setting\n");
10314                 bnx2x_set_rx_mode_inner(bp);
10315         }
10316
10317         if (test_and_clear_bit(BNX2X_SP_RTNL_HYPERVISOR_VLAN,
10318                                &bp->sp_rtnl_state))
10319                 bnx2x_pf_set_vfs_vlan(bp);
10320
10321         if (test_and_clear_bit(BNX2X_SP_RTNL_TX_STOP, &bp->sp_rtnl_state)) {
10322                 bnx2x_dcbx_stop_hw_tx(bp);
10323                 bnx2x_dcbx_resume_hw_tx(bp);
10324         }
10325
10326         if (test_and_clear_bit(BNX2X_SP_RTNL_GET_DRV_VERSION,
10327                                &bp->sp_rtnl_state))
10328                 bnx2x_update_mng_version(bp);
10329
10330 #if defined(CONFIG_BNX2X_VXLAN) || IS_ENABLED(CONFIG_GENEVE)
10331         if (test_and_clear_bit(BNX2X_SP_RTNL_CHANGE_UDP_PORT,
10332                                &bp->sp_rtnl_state)) {
10333                 if (bnx2x_udp_port_update(bp)) {
10334                         /* On error, forget configuration */
10335                         memset(bp->udp_tunnel_ports, 0,
10336                                sizeof(struct bnx2x_udp_tunnel) *
10337                                BNX2X_UDP_PORT_MAX);
10338                 } else {
10339                         /* Since we don't store additional port information,
10340                          * if no port is configured for any feature ask for
10341                          * information about currently configured ports.
10342                          */
10343 #ifdef CONFIG_BNX2X_VXLAN
10344                         if (!bp->udp_tunnel_ports[BNX2X_UDP_PORT_VXLAN].count)
10345                                 vxlan_get_rx_port(bp->dev);
10346 #endif
10347 #if IS_ENABLED(CONFIG_GENEVE)
10348                         if (!bp->udp_tunnel_ports[BNX2X_UDP_PORT_GENEVE].count)
10349                                 geneve_get_rx_port(bp->dev);
10350 #endif
10351                 }
10352         }
10353 #endif
10354
10355         /* work which needs rtnl lock not-taken (as it takes the lock itself and
10356          * can be called from other contexts as well)
10357          */
10358         rtnl_unlock();
10359
10360         /* enable SR-IOV if applicable */
10361         if (IS_SRIOV(bp) && test_and_clear_bit(BNX2X_SP_RTNL_ENABLE_SRIOV,
10362                                                &bp->sp_rtnl_state)) {
10363                 bnx2x_disable_sriov(bp);
10364                 bnx2x_enable_sriov(bp);
10365         }
10366 }
10367
10368 static void bnx2x_period_task(struct work_struct *work)
10369 {
10370         struct bnx2x *bp = container_of(work, struct bnx2x, period_task.work);
10371
10372         if (!netif_running(bp->dev))
10373                 goto period_task_exit;
10374
10375         if (CHIP_REV_IS_SLOW(bp)) {
10376                 BNX2X_ERR("period task called on emulation, ignoring\n");
10377                 goto period_task_exit;
10378         }
10379
10380         bnx2x_acquire_phy_lock(bp);
10381         /*
10382          * The barrier is needed to ensure the ordering between the writing to
10383          * the bp->port.pmf in the bnx2x_nic_load() or bnx2x_pmf_update() and
10384          * the reading here.
10385          */
10386         smp_mb();
10387         if (bp->port.pmf) {
10388                 bnx2x_period_func(&bp->link_params, &bp->link_vars);
10389
10390                 /* Re-queue task in 1 sec */
10391                 queue_delayed_work(bnx2x_wq, &bp->period_task, 1*HZ);
10392         }
10393
10394         bnx2x_release_phy_lock(bp);
10395 period_task_exit:
10396         return;
10397 }
10398
10399 /*
10400  * Init service functions
10401  */
10402
10403 static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
10404 {
10405         u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
10406         u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
10407         return base + (BP_ABS_FUNC(bp)) * stride;
10408 }
10409
10410 static bool bnx2x_prev_unload_close_umac(struct bnx2x *bp,
10411                                          u8 port, u32 reset_reg,
10412                                          struct bnx2x_mac_vals *vals)
10413 {
10414         u32 mask = MISC_REGISTERS_RESET_REG_2_UMAC0 << port;
10415         u32 base_addr;
10416
10417         if (!(mask & reset_reg))
10418                 return false;
10419
10420         BNX2X_DEV_INFO("Disable umac Rx %02x\n", port);
10421         base_addr = port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
10422         vals->umac_addr[port] = base_addr + UMAC_REG_COMMAND_CONFIG;
10423         vals->umac_val[port] = REG_RD(bp, vals->umac_addr[port]);
10424         REG_WR(bp, vals->umac_addr[port], 0);
10425
10426         return true;
10427 }
10428
10429 static void bnx2x_prev_unload_close_mac(struct bnx2x *bp,
10430                                         struct bnx2x_mac_vals *vals)
10431 {
10432         u32 val, base_addr, offset, mask, reset_reg;
10433         bool mac_stopped = false;
10434         u8 port = BP_PORT(bp);
10435
10436         /* reset addresses as they also mark which values were changed */
10437         memset(vals, 0, sizeof(*vals));
10438
10439         reset_reg = REG_RD(bp, MISC_REG_RESET_REG_2);
10440
10441         if (!CHIP_IS_E3(bp)) {
10442                 val = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port * 4);
10443                 mask = MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port;
10444                 if ((mask & reset_reg) && val) {
10445                         u32 wb_data[2];
10446                         BNX2X_DEV_INFO("Disable bmac Rx\n");
10447                         base_addr = BP_PORT(bp) ? NIG_REG_INGRESS_BMAC1_MEM
10448                                                 : NIG_REG_INGRESS_BMAC0_MEM;
10449                         offset = CHIP_IS_E2(bp) ? BIGMAC2_REGISTER_BMAC_CONTROL
10450                                                 : BIGMAC_REGISTER_BMAC_CONTROL;
10451
10452                         /*
10453                          * use rd/wr since we cannot use dmae. This is safe
10454                          * since MCP won't access the bus due to the request
10455                          * to unload, and no function on the path can be
10456                          * loaded at this time.
10457                          */
10458                         wb_data[0] = REG_RD(bp, base_addr + offset);
10459                         wb_data[1] = REG_RD(bp, base_addr + offset + 0x4);
10460                         vals->bmac_addr = base_addr + offset;
10461                         vals->bmac_val[0] = wb_data[0];
10462                         vals->bmac_val[1] = wb_data[1];
10463                         wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
10464                         REG_WR(bp, vals->bmac_addr, wb_data[0]);
10465                         REG_WR(bp, vals->bmac_addr + 0x4, wb_data[1]);
10466                 }
10467                 BNX2X_DEV_INFO("Disable emac Rx\n");
10468                 vals->emac_addr = NIG_REG_NIG_EMAC0_EN + BP_PORT(bp)*4;
10469                 vals->emac_val = REG_RD(bp, vals->emac_addr);
10470                 REG_WR(bp, vals->emac_addr, 0);
10471                 mac_stopped = true;
10472         } else {
10473                 if (reset_reg & MISC_REGISTERS_RESET_REG_2_XMAC) {
10474                         BNX2X_DEV_INFO("Disable xmac Rx\n");
10475                         base_addr = BP_PORT(bp) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
10476                         val = REG_RD(bp, base_addr + XMAC_REG_PFC_CTRL_HI);
10477                         REG_WR(bp, base_addr + XMAC_REG_PFC_CTRL_HI,
10478                                val & ~(1 << 1));
10479                         REG_WR(bp, base_addr + XMAC_REG_PFC_CTRL_HI,
10480                                val | (1 << 1));
10481                         vals->xmac_addr = base_addr + XMAC_REG_CTRL;
10482                         vals->xmac_val = REG_RD(bp, vals->xmac_addr);
10483                         REG_WR(bp, vals->xmac_addr, 0);
10484                         mac_stopped = true;
10485                 }
10486
10487                 mac_stopped |= bnx2x_prev_unload_close_umac(bp, 0,
10488                                                             reset_reg, vals);
10489                 mac_stopped |= bnx2x_prev_unload_close_umac(bp, 1,
10490                                                             reset_reg, vals);
10491         }
10492
10493         if (mac_stopped)
10494                 msleep(20);
10495 }
10496
10497 #define BNX2X_PREV_UNDI_PROD_ADDR(p) (BAR_TSTRORM_INTMEM + 0x1508 + ((p) << 4))
10498 #define BNX2X_PREV_UNDI_PROD_ADDR_H(f) (BAR_TSTRORM_INTMEM + \
10499                                         0x1848 + ((f) << 4))
10500 #define BNX2X_PREV_UNDI_RCQ(val)        ((val) & 0xffff)
10501 #define BNX2X_PREV_UNDI_BD(val)         ((val) >> 16 & 0xffff)
10502 #define BNX2X_PREV_UNDI_PROD(rcq, bd)   ((bd) << 16 | (rcq))
10503
10504 #define BCM_5710_UNDI_FW_MF_MAJOR       (0x07)
10505 #define BCM_5710_UNDI_FW_MF_MINOR       (0x08)
10506 #define BCM_5710_UNDI_FW_MF_VERS        (0x05)
10507
10508 static bool bnx2x_prev_is_after_undi(struct bnx2x *bp)
10509 {
10510         /* UNDI marks its presence in DORQ -
10511          * it initializes CID offset for normal bell to 0x7
10512          */
10513         if (!(REG_RD(bp, MISC_REG_RESET_REG_1) &
10514             MISC_REGISTERS_RESET_REG_1_RST_DORQ))
10515                 return false;
10516
10517         if (REG_RD(bp, DORQ_REG_NORM_CID_OFST) == 0x7) {
10518                 BNX2X_DEV_INFO("UNDI previously loaded\n");
10519                 return true;
10520         }
10521
10522         return false;
10523 }
10524
10525 static void bnx2x_prev_unload_undi_inc(struct bnx2x *bp, u8 inc)
10526 {
10527         u16 rcq, bd;
10528         u32 addr, tmp_reg;
10529
10530         if (BP_FUNC(bp) < 2)
10531                 addr = BNX2X_PREV_UNDI_PROD_ADDR(BP_PORT(bp));
10532         else
10533                 addr = BNX2X_PREV_UNDI_PROD_ADDR_H(BP_FUNC(bp) - 2);
10534
10535         tmp_reg = REG_RD(bp, addr);
10536         rcq = BNX2X_PREV_UNDI_RCQ(tmp_reg) + inc;
10537         bd = BNX2X_PREV_UNDI_BD(tmp_reg) + inc;
10538
10539         tmp_reg = BNX2X_PREV_UNDI_PROD(rcq, bd);
10540         REG_WR(bp, addr, tmp_reg);
10541
10542         BNX2X_DEV_INFO("UNDI producer [%d/%d][%08x] rings bd -> 0x%04x, rcq -> 0x%04x\n",
10543                        BP_PORT(bp), BP_FUNC(bp), addr, bd, rcq);
10544 }
10545
10546 static int bnx2x_prev_mcp_done(struct bnx2x *bp)
10547 {
10548         u32 rc = bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE,
10549                                   DRV_MSG_CODE_UNLOAD_SKIP_LINK_RESET);
10550         if (!rc) {
10551                 BNX2X_ERR("MCP response failure, aborting\n");
10552                 return -EBUSY;
10553         }
10554
10555         return 0;
10556 }
10557
10558 static struct bnx2x_prev_path_list *
10559                 bnx2x_prev_path_get_entry(struct bnx2x *bp)
10560 {
10561         struct bnx2x_prev_path_list *tmp_list;
10562
10563         list_for_each_entry(tmp_list, &bnx2x_prev_list, list)
10564                 if (PCI_SLOT(bp->pdev->devfn) == tmp_list->slot &&
10565                     bp->pdev->bus->number == tmp_list->bus &&
10566                     BP_PATH(bp) == tmp_list->path)
10567                         return tmp_list;
10568
10569         return NULL;
10570 }
10571
10572 static int bnx2x_prev_path_mark_eeh(struct bnx2x *bp)
10573 {
10574         struct bnx2x_prev_path_list *tmp_list;
10575         int rc;
10576
10577         rc = down_interruptible(&bnx2x_prev_sem);
10578         if (rc) {
10579                 BNX2X_ERR("Received %d when tried to take lock\n", rc);
10580                 return rc;
10581         }
10582
10583         tmp_list = bnx2x_prev_path_get_entry(bp);
10584         if (tmp_list) {
10585                 tmp_list->aer = 1;
10586                 rc = 0;
10587         } else {
10588                 BNX2X_ERR("path %d: Entry does not exist for eeh; Flow occurs before initial insmod is over ?\n",
10589                           BP_PATH(bp));
10590         }
10591
10592         up(&bnx2x_prev_sem);
10593
10594         return rc;
10595 }
10596
10597 static bool bnx2x_prev_is_path_marked(struct bnx2x *bp)
10598 {
10599         struct bnx2x_prev_path_list *tmp_list;
10600         bool rc = false;
10601
10602         if (down_trylock(&bnx2x_prev_sem))
10603                 return false;
10604
10605         tmp_list = bnx2x_prev_path_get_entry(bp);
10606         if (tmp_list) {
10607                 if (tmp_list->aer) {
10608                         DP(NETIF_MSG_HW, "Path %d was marked by AER\n",
10609                            BP_PATH(bp));
10610                 } else {
10611                         rc = true;
10612                         BNX2X_DEV_INFO("Path %d was already cleaned from previous drivers\n",
10613                                        BP_PATH(bp));
10614                 }
10615         }
10616
10617         up(&bnx2x_prev_sem);
10618
10619         return rc;
10620 }
10621
10622 bool bnx2x_port_after_undi(struct bnx2x *bp)
10623 {
10624         struct bnx2x_prev_path_list *entry;
10625         bool val;
10626
10627         down(&bnx2x_prev_sem);
10628
10629         entry = bnx2x_prev_path_get_entry(bp);
10630         val = !!(entry && (entry->undi & (1 << BP_PORT(bp))));
10631
10632         up(&bnx2x_prev_sem);
10633
10634         return val;
10635 }
10636
10637 static int bnx2x_prev_mark_path(struct bnx2x *bp, bool after_undi)
10638 {
10639         struct bnx2x_prev_path_list *tmp_list;
10640         int rc;
10641
10642         rc = down_interruptible(&bnx2x_prev_sem);
10643         if (rc) {
10644                 BNX2X_ERR("Received %d when tried to take lock\n", rc);
10645                 return rc;
10646         }
10647
10648         /* Check whether the entry for this path already exists */
10649         tmp_list = bnx2x_prev_path_get_entry(bp);
10650         if (tmp_list) {
10651                 if (!tmp_list->aer) {
10652                         BNX2X_ERR("Re-Marking the path.\n");
10653                 } else {
10654                         DP(NETIF_MSG_HW, "Removing AER indication from path %d\n",
10655                            BP_PATH(bp));
10656                         tmp_list->aer = 0;
10657                 }
10658                 up(&bnx2x_prev_sem);
10659                 return 0;
10660         }
10661         up(&bnx2x_prev_sem);
10662
10663         /* Create an entry for this path and add it */
10664         tmp_list = kmalloc(sizeof(struct bnx2x_prev_path_list), GFP_KERNEL);
10665         if (!tmp_list) {
10666                 BNX2X_ERR("Failed to allocate 'bnx2x_prev_path_list'\n");
10667                 return -ENOMEM;
10668         }
10669
10670         tmp_list->bus = bp->pdev->bus->number;
10671         tmp_list->slot = PCI_SLOT(bp->pdev->devfn);
10672         tmp_list->path = BP_PATH(bp);
10673         tmp_list->aer = 0;
10674         tmp_list->undi = after_undi ? (1 << BP_PORT(bp)) : 0;
10675
10676         rc = down_interruptible(&bnx2x_prev_sem);
10677         if (rc) {
10678                 BNX2X_ERR("Received %d when tried to take lock\n", rc);
10679                 kfree(tmp_list);
10680         } else {
10681                 DP(NETIF_MSG_HW, "Marked path [%d] - finished previous unload\n",
10682                    BP_PATH(bp));
10683                 list_add(&tmp_list->list, &bnx2x_prev_list);
10684                 up(&bnx2x_prev_sem);
10685         }
10686
10687         return rc;
10688 }
10689
10690 static int bnx2x_do_flr(struct bnx2x *bp)
10691 {
10692         struct pci_dev *dev = bp->pdev;
10693
10694         if (CHIP_IS_E1x(bp)) {
10695                 BNX2X_DEV_INFO("FLR not supported in E1/E1H\n");
10696                 return -EINVAL;
10697         }
10698
10699         /* only bootcode REQ_BC_VER_4_INITIATE_FLR and onwards support flr */
10700         if (bp->common.bc_ver < REQ_BC_VER_4_INITIATE_FLR) {
10701                 BNX2X_ERR("FLR not supported by BC_VER: 0x%x\n",
10702                           bp->common.bc_ver);
10703                 return -EINVAL;
10704         }
10705
10706         if (!pci_wait_for_pending_transaction(dev))
10707                 dev_err(&dev->dev, "transaction is not cleared; proceeding with reset anyway\n");
10708
10709         BNX2X_DEV_INFO("Initiating FLR\n");
10710         bnx2x_fw_command(bp, DRV_MSG_CODE_INITIATE_FLR, 0);
10711
10712         return 0;
10713 }
10714
10715 static int bnx2x_prev_unload_uncommon(struct bnx2x *bp)
10716 {
10717         int rc;
10718
10719         BNX2X_DEV_INFO("Uncommon unload Flow\n");
10720
10721         /* Test if previous unload process was already finished for this path */
10722         if (bnx2x_prev_is_path_marked(bp))
10723                 return bnx2x_prev_mcp_done(bp);
10724
10725         BNX2X_DEV_INFO("Path is unmarked\n");
10726
10727         /* Cannot proceed with FLR if UNDI is loaded, since FW does not match */
10728         if (bnx2x_prev_is_after_undi(bp))
10729                 goto out;
10730
10731         /* If function has FLR capabilities, and existing FW version matches
10732          * the one required, then FLR will be sufficient to clean any residue
10733          * left by previous driver
10734          */
10735         rc = bnx2x_compare_fw_ver(bp, FW_MSG_CODE_DRV_LOAD_FUNCTION, false);
10736
10737         if (!rc) {
10738                 /* fw version is good */
10739                 BNX2X_DEV_INFO("FW version matches our own. Attempting FLR\n");
10740                 rc = bnx2x_do_flr(bp);
10741         }
10742
10743         if (!rc) {
10744                 /* FLR was performed */
10745                 BNX2X_DEV_INFO("FLR successful\n");
10746                 return 0;
10747         }
10748
10749         BNX2X_DEV_INFO("Could not FLR\n");
10750
10751 out:
10752         /* Close the MCP request, return failure*/
10753         rc = bnx2x_prev_mcp_done(bp);
10754         if (!rc)
10755                 rc = BNX2X_PREV_WAIT_NEEDED;
10756
10757         return rc;
10758 }
10759
10760 static int bnx2x_prev_unload_common(struct bnx2x *bp)
10761 {
10762         u32 reset_reg, tmp_reg = 0, rc;
10763         bool prev_undi = false;
10764         struct bnx2x_mac_vals mac_vals;
10765
10766         /* It is possible a previous function received 'common' answer,
10767          * but hasn't loaded yet, therefore creating a scenario of
10768          * multiple functions receiving 'common' on the same path.
10769          */
10770         BNX2X_DEV_INFO("Common unload Flow\n");
10771
10772         memset(&mac_vals, 0, sizeof(mac_vals));
10773
10774         if (bnx2x_prev_is_path_marked(bp))
10775                 return bnx2x_prev_mcp_done(bp);
10776
10777         reset_reg = REG_RD(bp, MISC_REG_RESET_REG_1);
10778
10779         /* Reset should be performed after BRB is emptied */
10780         if (reset_reg & MISC_REGISTERS_RESET_REG_1_RST_BRB1) {
10781                 u32 timer_count = 1000;
10782
10783                 /* Close the MAC Rx to prevent BRB from filling up */
10784                 bnx2x_prev_unload_close_mac(bp, &mac_vals);
10785
10786                 /* close LLH filters for both ports towards the BRB */
10787                 bnx2x_set_rx_filter(&bp->link_params, 0);
10788                 bp->link_params.port ^= 1;
10789                 bnx2x_set_rx_filter(&bp->link_params, 0);
10790                 bp->link_params.port ^= 1;
10791
10792                 /* Check if the UNDI driver was previously loaded */
10793                 if (bnx2x_prev_is_after_undi(bp)) {
10794                         prev_undi = true;
10795                         /* clear the UNDI indication */
10796                         REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
10797                         /* clear possible idle check errors */
10798                         REG_RD(bp, NIG_REG_NIG_INT_STS_CLR_0);
10799                 }
10800                 if (!CHIP_IS_E1x(bp))
10801                         /* block FW from writing to host */
10802                         REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
10803
10804                 /* wait until BRB is empty */
10805                 tmp_reg = REG_RD(bp, BRB1_REG_NUM_OF_FULL_BLOCKS);
10806                 while (timer_count) {
10807                         u32 prev_brb = tmp_reg;
10808
10809                         tmp_reg = REG_RD(bp, BRB1_REG_NUM_OF_FULL_BLOCKS);
10810                         if (!tmp_reg)
10811                                 break;
10812
10813                         BNX2X_DEV_INFO("BRB still has 0x%08x\n", tmp_reg);
10814
10815                         /* reset timer as long as BRB actually gets emptied */
10816                         if (prev_brb > tmp_reg)
10817                                 timer_count = 1000;
10818                         else
10819                                 timer_count--;
10820
10821                         /* If UNDI resides in memory, manually increment it */
10822                         if (prev_undi)
10823                                 bnx2x_prev_unload_undi_inc(bp, 1);
10824
10825                         udelay(10);
10826                 }
10827
10828                 if (!timer_count)
10829                         BNX2X_ERR("Failed to empty BRB, hope for the best\n");
10830         }
10831
10832         /* No packets are in the pipeline, path is ready for reset */
10833         bnx2x_reset_common(bp);
10834
10835         if (mac_vals.xmac_addr)
10836                 REG_WR(bp, mac_vals.xmac_addr, mac_vals.xmac_val);
10837         if (mac_vals.umac_addr[0])
10838                 REG_WR(bp, mac_vals.umac_addr[0], mac_vals.umac_val[0]);
10839         if (mac_vals.umac_addr[1])
10840                 REG_WR(bp, mac_vals.umac_addr[1], mac_vals.umac_val[1]);
10841         if (mac_vals.emac_addr)
10842                 REG_WR(bp, mac_vals.emac_addr, mac_vals.emac_val);
10843         if (mac_vals.bmac_addr) {
10844                 REG_WR(bp, mac_vals.bmac_addr, mac_vals.bmac_val[0]);
10845                 REG_WR(bp, mac_vals.bmac_addr + 4, mac_vals.bmac_val[1]);
10846         }
10847
10848         rc = bnx2x_prev_mark_path(bp, prev_undi);
10849         if (rc) {
10850                 bnx2x_prev_mcp_done(bp);
10851                 return rc;
10852         }
10853
10854         return bnx2x_prev_mcp_done(bp);
10855 }
10856
10857 static int bnx2x_prev_unload(struct bnx2x *bp)
10858 {
10859         int time_counter = 10;
10860         u32 rc, fw, hw_lock_reg, hw_lock_val;
10861         BNX2X_DEV_INFO("Entering Previous Unload Flow\n");
10862
10863         /* clear hw from errors which may have resulted from an interrupted
10864          * dmae transaction.
10865          */
10866         bnx2x_clean_pglue_errors(bp);
10867
10868         /* Release previously held locks */
10869         hw_lock_reg = (BP_FUNC(bp) <= 5) ?
10870                       (MISC_REG_DRIVER_CONTROL_1 + BP_FUNC(bp) * 8) :
10871                       (MISC_REG_DRIVER_CONTROL_7 + (BP_FUNC(bp) - 6) * 8);
10872
10873         hw_lock_val = REG_RD(bp, hw_lock_reg);
10874         if (hw_lock_val) {
10875                 if (hw_lock_val & HW_LOCK_RESOURCE_NVRAM) {
10876                         BNX2X_DEV_INFO("Release Previously held NVRAM lock\n");
10877                         REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
10878                                (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << BP_PORT(bp)));
10879                 }
10880
10881                 BNX2X_DEV_INFO("Release Previously held hw lock\n");
10882                 REG_WR(bp, hw_lock_reg, 0xffffffff);
10883         } else
10884                 BNX2X_DEV_INFO("No need to release hw/nvram locks\n");
10885
10886         if (MCPR_ACCESS_LOCK_LOCK & REG_RD(bp, MCP_REG_MCPR_ACCESS_LOCK)) {
10887                 BNX2X_DEV_INFO("Release previously held alr\n");
10888                 bnx2x_release_alr(bp);
10889         }
10890
10891         do {
10892                 int aer = 0;
10893                 /* Lock MCP using an unload request */
10894                 fw = bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS, 0);
10895                 if (!fw) {
10896                         BNX2X_ERR("MCP response failure, aborting\n");
10897                         rc = -EBUSY;
10898                         break;
10899                 }
10900
10901                 rc = down_interruptible(&bnx2x_prev_sem);
10902                 if (rc) {
10903                         BNX2X_ERR("Cannot check for AER; Received %d when tried to take lock\n",
10904                                   rc);
10905                 } else {
10906                         /* If Path is marked by EEH, ignore unload status */
10907                         aer = !!(bnx2x_prev_path_get_entry(bp) &&
10908                                  bnx2x_prev_path_get_entry(bp)->aer);
10909                         up(&bnx2x_prev_sem);
10910                 }
10911
10912                 if (fw == FW_MSG_CODE_DRV_UNLOAD_COMMON || aer) {
10913                         rc = bnx2x_prev_unload_common(bp);
10914                         break;
10915                 }
10916
10917                 /* non-common reply from MCP might require looping */
10918                 rc = bnx2x_prev_unload_uncommon(bp);
10919                 if (rc != BNX2X_PREV_WAIT_NEEDED)
10920                         break;
10921
10922                 msleep(20);
10923         } while (--time_counter);
10924
10925         if (!time_counter || rc) {
10926                 BNX2X_DEV_INFO("Unloading previous driver did not occur, Possibly due to MF UNDI\n");
10927                 rc = -EPROBE_DEFER;
10928         }
10929
10930         /* Mark function if its port was used to boot from SAN */
10931         if (bnx2x_port_after_undi(bp))
10932                 bp->link_params.feature_config_flags |=
10933                         FEATURE_CONFIG_BOOT_FROM_SAN;
10934
10935         BNX2X_DEV_INFO("Finished Previous Unload Flow [%d]\n", rc);
10936
10937         return rc;
10938 }
10939
10940 static void bnx2x_get_common_hwinfo(struct bnx2x *bp)
10941 {
10942         u32 val, val2, val3, val4, id, boot_mode;
10943         u16 pmc;
10944
10945         /* Get the chip revision id and number. */
10946         /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
10947         val = REG_RD(bp, MISC_REG_CHIP_NUM);
10948         id = ((val & 0xffff) << 16);
10949         val = REG_RD(bp, MISC_REG_CHIP_REV);
10950         id |= ((val & 0xf) << 12);
10951
10952         /* Metal is read from PCI regs, but we can't access >=0x400 from
10953          * the configuration space (so we need to reg_rd)
10954          */
10955         val = REG_RD(bp, PCICFG_OFFSET + PCI_ID_VAL3);
10956         id |= (((val >> 24) & 0xf) << 4);
10957         val = REG_RD(bp, MISC_REG_BOND_ID);
10958         id |= (val & 0xf);
10959         bp->common.chip_id = id;
10960
10961         /* force 57811 according to MISC register */
10962         if (REG_RD(bp, MISC_REG_CHIP_TYPE) & MISC_REG_CHIP_TYPE_57811_MASK) {
10963                 if (CHIP_IS_57810(bp))
10964                         bp->common.chip_id = (CHIP_NUM_57811 << 16) |
10965                                 (bp->common.chip_id & 0x0000FFFF);
10966                 else if (CHIP_IS_57810_MF(bp))
10967                         bp->common.chip_id = (CHIP_NUM_57811_MF << 16) |
10968                                 (bp->common.chip_id & 0x0000FFFF);
10969                 bp->common.chip_id |= 0x1;
10970         }
10971
10972         /* Set doorbell size */
10973         bp->db_size = (1 << BNX2X_DB_SHIFT);
10974
10975         if (!CHIP_IS_E1x(bp)) {
10976                 val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
10977                 if ((val & 1) == 0)
10978                         val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
10979                 else
10980                         val = (val >> 1) & 1;
10981                 BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
10982                                                        "2_PORT_MODE");
10983                 bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
10984                                                  CHIP_2_PORT_MODE;
10985
10986                 if (CHIP_MODE_IS_4_PORT(bp))
10987                         bp->pfid = (bp->pf_num >> 1);   /* 0..3 */
10988                 else
10989                         bp->pfid = (bp->pf_num & 0x6);  /* 0, 2, 4, 6 */
10990         } else {
10991                 bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
10992                 bp->pfid = bp->pf_num;                  /* 0..7 */
10993         }
10994
10995         BNX2X_DEV_INFO("pf_id: %x", bp->pfid);
10996
10997         bp->link_params.chip_id = bp->common.chip_id;
10998         BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
10999
11000         val = (REG_RD(bp, 0x2874) & 0x55);
11001         if ((bp->common.chip_id & 0x1) ||
11002             (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
11003                 bp->flags |= ONE_PORT_FLAG;
11004                 BNX2X_DEV_INFO("single port device\n");
11005         }
11006
11007         val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
11008         bp->common.flash_size = (BNX2X_NVRAM_1MB_SIZE <<
11009                                  (val & MCPR_NVM_CFG4_FLASH_SIZE));
11010         BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
11011                        bp->common.flash_size, bp->common.flash_size);
11012
11013         bnx2x_init_shmem(bp);
11014
11015         bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
11016                                         MISC_REG_GENERIC_CR_1 :
11017                                         MISC_REG_GENERIC_CR_0));
11018
11019         bp->link_params.shmem_base = bp->common.shmem_base;
11020         bp->link_params.shmem2_base = bp->common.shmem2_base;
11021         if (SHMEM2_RD(bp, size) >
11022             (u32)offsetof(struct shmem2_region, lfa_host_addr[BP_PORT(bp)]))
11023                 bp->link_params.lfa_base =
11024                 REG_RD(bp, bp->common.shmem2_base +
11025                        (u32)offsetof(struct shmem2_region,
11026                                      lfa_host_addr[BP_PORT(bp)]));
11027         else
11028                 bp->link_params.lfa_base = 0;
11029         BNX2X_DEV_INFO("shmem offset 0x%x  shmem2 offset 0x%x\n",
11030                        bp->common.shmem_base, bp->common.shmem2_base);
11031
11032         if (!bp->common.shmem_base) {
11033                 BNX2X_DEV_INFO("MCP not active\n");
11034                 bp->flags |= NO_MCP_FLAG;
11035                 return;
11036         }
11037
11038         bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
11039         BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
11040
11041         bp->link_params.hw_led_mode = ((bp->common.hw_config &
11042                                         SHARED_HW_CFG_LED_MODE_MASK) >>
11043                                        SHARED_HW_CFG_LED_MODE_SHIFT);
11044
11045         bp->link_params.feature_config_flags = 0;
11046         val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
11047         if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
11048                 bp->link_params.feature_config_flags |=
11049                                 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
11050         else
11051                 bp->link_params.feature_config_flags &=
11052                                 ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
11053
11054         val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
11055         bp->common.bc_ver = val;
11056         BNX2X_DEV_INFO("bc_ver %X\n", val);
11057         if (val < BNX2X_BC_VER) {
11058                 /* for now only warn
11059                  * later we might need to enforce this */
11060                 BNX2X_ERR("This driver needs bc_ver %X but found %X, please upgrade BC\n",
11061                           BNX2X_BC_VER, val);
11062         }
11063         bp->link_params.feature_config_flags |=
11064                                 (val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
11065                                 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
11066
11067         bp->link_params.feature_config_flags |=
11068                 (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
11069                 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
11070         bp->link_params.feature_config_flags |=
11071                 (val >= REQ_BC_VER_4_VRFY_AFEX_SUPPORTED) ?
11072                 FEATURE_CONFIG_BC_SUPPORTS_AFEX : 0;
11073         bp->link_params.feature_config_flags |=
11074                 (val >= REQ_BC_VER_4_SFP_TX_DISABLE_SUPPORTED) ?
11075                 FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED : 0;
11076
11077         bp->link_params.feature_config_flags |=
11078                 (val >= REQ_BC_VER_4_MT_SUPPORTED) ?
11079                 FEATURE_CONFIG_MT_SUPPORT : 0;
11080
11081         bp->flags |= (val >= REQ_BC_VER_4_PFC_STATS_SUPPORTED) ?
11082                         BC_SUPPORTS_PFC_STATS : 0;
11083
11084         bp->flags |= (val >= REQ_BC_VER_4_FCOE_FEATURES) ?
11085                         BC_SUPPORTS_FCOE_FEATURES : 0;
11086
11087         bp->flags |= (val >= REQ_BC_VER_4_DCBX_ADMIN_MSG_NON_PMF) ?
11088                         BC_SUPPORTS_DCBX_MSG_NON_PMF : 0;
11089
11090         bp->flags |= (val >= REQ_BC_VER_4_RMMOD_CMD) ?
11091                         BC_SUPPORTS_RMMOD_CMD : 0;
11092
11093         boot_mode = SHMEM_RD(bp,
11094                         dev_info.port_feature_config[BP_PORT(bp)].mba_config) &
11095                         PORT_FEATURE_MBA_BOOT_AGENT_TYPE_MASK;
11096         switch (boot_mode) {
11097         case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_PXE:
11098                 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_PXE;
11099                 break;
11100         case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_ISCSIB:
11101                 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_ISCSI;
11102                 break;
11103         case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_FCOE_BOOT:
11104                 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_FCOE;
11105                 break;
11106         case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_NONE:
11107                 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_NONE;
11108                 break;
11109         }
11110
11111         pci_read_config_word(bp->pdev, bp->pdev->pm_cap + PCI_PM_PMC, &pmc);
11112         bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
11113
11114         BNX2X_DEV_INFO("%sWoL capable\n",
11115                        (bp->flags & NO_WOL_FLAG) ? "not " : "");
11116
11117         val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
11118         val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
11119         val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
11120         val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
11121
11122         dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
11123                  val, val2, val3, val4);
11124 }
11125
11126 #define IGU_FID(val)    GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
11127 #define IGU_VEC(val)    GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)
11128
11129 static int bnx2x_get_igu_cam_info(struct bnx2x *bp)
11130 {
11131         int pfid = BP_FUNC(bp);
11132         int igu_sb_id;
11133         u32 val;
11134         u8 fid, igu_sb_cnt = 0;
11135
11136         bp->igu_base_sb = 0xff;
11137         if (CHIP_INT_MODE_IS_BC(bp)) {
11138                 int vn = BP_VN(bp);
11139                 igu_sb_cnt = bp->igu_sb_cnt;
11140                 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
11141                         FP_SB_MAX_E1x;
11142
11143                 bp->igu_dsb_id =  E1HVN_MAX * FP_SB_MAX_E1x +
11144                         (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);
11145
11146                 return 0;
11147         }
11148
11149         /* IGU in normal mode - read CAM */
11150         for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
11151              igu_sb_id++) {
11152                 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
11153                 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
11154                         continue;
11155                 fid = IGU_FID(val);
11156                 if ((fid & IGU_FID_ENCODE_IS_PF)) {
11157                         if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
11158                                 continue;
11159                         if (IGU_VEC(val) == 0)
11160                                 /* default status block */
11161                                 bp->igu_dsb_id = igu_sb_id;
11162                         else {
11163                                 if (bp->igu_base_sb == 0xff)
11164                                         bp->igu_base_sb = igu_sb_id;
11165                                 igu_sb_cnt++;
11166                         }
11167                 }
11168         }
11169
11170 #ifdef CONFIG_PCI_MSI
11171         /* Due to new PF resource allocation by MFW T7.4 and above, it's
11172          * optional that number of CAM entries will not be equal to the value
11173          * advertised in PCI.
11174          * Driver should use the minimal value of both as the actual status
11175          * block count
11176          */
11177         bp->igu_sb_cnt = min_t(int, bp->igu_sb_cnt, igu_sb_cnt);
11178 #endif
11179
11180         if (igu_sb_cnt == 0) {
11181                 BNX2X_ERR("CAM configuration error\n");
11182                 return -EINVAL;
11183         }
11184
11185         return 0;
11186 }
11187
11188 static void bnx2x_link_settings_supported(struct bnx2x *bp, u32 switch_cfg)
11189 {
11190         int cfg_size = 0, idx, port = BP_PORT(bp);
11191
11192         /* Aggregation of supported attributes of all external phys */
11193         bp->port.supported[0] = 0;
11194         bp->port.supported[1] = 0;
11195         switch (bp->link_params.num_phys) {
11196         case 1:
11197                 bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
11198                 cfg_size = 1;
11199                 break;
11200         case 2:
11201                 bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
11202                 cfg_size = 1;
11203                 break;
11204         case 3:
11205                 if (bp->link_params.multi_phy_config &
11206                     PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
11207                         bp->port.supported[1] =
11208                                 bp->link_params.phy[EXT_PHY1].supported;
11209                         bp->port.supported[0] =
11210                                 bp->link_params.phy[EXT_PHY2].supported;
11211                 } else {
11212                         bp->port.supported[0] =
11213                                 bp->link_params.phy[EXT_PHY1].supported;
11214                         bp->port.supported[1] =
11215                                 bp->link_params.phy[EXT_PHY2].supported;
11216                 }
11217                 cfg_size = 2;
11218                 break;
11219         }
11220
11221         if (!(bp->port.supported[0] || bp->port.supported[1])) {
11222                 BNX2X_ERR("NVRAM config error. BAD phy config. PHY1 config 0x%x, PHY2 config 0x%x\n",
11223                            SHMEM_RD(bp,
11224                            dev_info.port_hw_config[port].external_phy_config),
11225                            SHMEM_RD(bp,
11226                            dev_info.port_hw_config[port].external_phy_config2));
11227                         return;
11228         }
11229
11230         if (CHIP_IS_E3(bp))
11231                 bp->port.phy_addr = REG_RD(bp, MISC_REG_WC0_CTRL_PHY_ADDR);
11232         else {
11233                 switch (switch_cfg) {
11234                 case SWITCH_CFG_1G:
11235                         bp->port.phy_addr = REG_RD(
11236                                 bp, NIG_REG_SERDES0_CTRL_PHY_ADDR + port*0x10);
11237                         break;
11238                 case SWITCH_CFG_10G:
11239                         bp->port.phy_addr = REG_RD(
11240                                 bp, NIG_REG_XGXS0_CTRL_PHY_ADDR + port*0x18);
11241                         break;
11242                 default:
11243                         BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
11244                                   bp->port.link_config[0]);
11245                         return;
11246                 }
11247         }
11248         BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
11249         /* mask what we support according to speed_cap_mask per configuration */
11250         for (idx = 0; idx < cfg_size; idx++) {
11251                 if (!(bp->link_params.speed_cap_mask[idx] &
11252                                 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
11253                         bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
11254
11255                 if (!(bp->link_params.speed_cap_mask[idx] &
11256                                 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
11257                         bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
11258
11259                 if (!(bp->link_params.speed_cap_mask[idx] &
11260                                 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
11261                         bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
11262
11263                 if (!(bp->link_params.speed_cap_mask[idx] &
11264                                 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
11265                         bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
11266
11267                 if (!(bp->link_params.speed_cap_mask[idx] &
11268                                         PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
11269                         bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
11270                                                      SUPPORTED_1000baseT_Full);
11271
11272                 if (!(bp->link_params.speed_cap_mask[idx] &
11273                                         PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
11274                         bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
11275
11276                 if (!(bp->link_params.speed_cap_mask[idx] &
11277                                         PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
11278                         bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;
11279
11280                 if (!(bp->link_params.speed_cap_mask[idx] &
11281                                         PORT_HW_CFG_SPEED_CAPABILITY_D0_20G))
11282                         bp->port.supported[idx] &= ~SUPPORTED_20000baseKR2_Full;
11283         }
11284
11285         BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
11286                        bp->port.supported[1]);
11287 }
11288
11289 static void bnx2x_link_settings_requested(struct bnx2x *bp)
11290 {
11291         u32 link_config, idx, cfg_size = 0;
11292         bp->port.advertising[0] = 0;
11293         bp->port.advertising[1] = 0;
11294         switch (bp->link_params.num_phys) {
11295         case 1:
11296         case 2:
11297                 cfg_size = 1;
11298                 break;
11299         case 3:
11300                 cfg_size = 2;
11301                 break;
11302         }
11303         for (idx = 0; idx < cfg_size; idx++) {
11304                 bp->link_params.req_duplex[idx] = DUPLEX_FULL;
11305                 link_config = bp->port.link_config[idx];
11306                 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
11307                 case PORT_FEATURE_LINK_SPEED_AUTO:
11308                         if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
11309                                 bp->link_params.req_line_speed[idx] =
11310                                         SPEED_AUTO_NEG;
11311                                 bp->port.advertising[idx] |=
11312                                         bp->port.supported[idx];
11313                                 if (bp->link_params.phy[EXT_PHY1].type ==
11314                                     PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
11315                                         bp->port.advertising[idx] |=
11316                                         (SUPPORTED_100baseT_Half |
11317                                          SUPPORTED_100baseT_Full);
11318                         } else {
11319                                 /* force 10G, no AN */
11320                                 bp->link_params.req_line_speed[idx] =
11321                                         SPEED_10000;
11322                                 bp->port.advertising[idx] |=
11323                                         (ADVERTISED_10000baseT_Full |
11324                                          ADVERTISED_FIBRE);
11325                                 continue;
11326                         }
11327                         break;
11328
11329                 case PORT_FEATURE_LINK_SPEED_10M_FULL:
11330                         if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
11331                                 bp->link_params.req_line_speed[idx] =
11332                                         SPEED_10;
11333                                 bp->port.advertising[idx] |=
11334                                         (ADVERTISED_10baseT_Full |
11335                                          ADVERTISED_TP);
11336                         } else {
11337                                 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x  speed_cap_mask 0x%x\n",
11338                                             link_config,
11339                                     bp->link_params.speed_cap_mask[idx]);
11340                                 return;
11341                         }
11342                         break;
11343
11344                 case PORT_FEATURE_LINK_SPEED_10M_HALF:
11345                         if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
11346                                 bp->link_params.req_line_speed[idx] =
11347                                         SPEED_10;
11348                                 bp->link_params.req_duplex[idx] =
11349                                         DUPLEX_HALF;
11350                                 bp->port.advertising[idx] |=
11351                                         (ADVERTISED_10baseT_Half |
11352                                          ADVERTISED_TP);
11353                         } else {
11354                                 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x  speed_cap_mask 0x%x\n",
11355                                             link_config,
11356                                           bp->link_params.speed_cap_mask[idx]);
11357                                 return;
11358                         }
11359                         break;
11360
11361                 case PORT_FEATURE_LINK_SPEED_100M_FULL:
11362                         if (bp->port.supported[idx] &
11363                             SUPPORTED_100baseT_Full) {
11364                                 bp->link_params.req_line_speed[idx] =
11365                                         SPEED_100;
11366                                 bp->port.advertising[idx] |=
11367                                         (ADVERTISED_100baseT_Full |
11368                                          ADVERTISED_TP);
11369                         } else {
11370                                 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x  speed_cap_mask 0x%x\n",
11371                                             link_config,
11372                                           bp->link_params.speed_cap_mask[idx]);
11373                                 return;
11374                         }
11375                         break;
11376
11377                 case PORT_FEATURE_LINK_SPEED_100M_HALF:
11378                         if (bp->port.supported[idx] &
11379                             SUPPORTED_100baseT_Half) {
11380                                 bp->link_params.req_line_speed[idx] =
11381                                                                 SPEED_100;
11382                                 bp->link_params.req_duplex[idx] =
11383                                                                 DUPLEX_HALF;
11384                                 bp->port.advertising[idx] |=
11385                                         (ADVERTISED_100baseT_Half |
11386                                          ADVERTISED_TP);
11387                         } else {
11388                                 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x  speed_cap_mask 0x%x\n",
11389                                     link_config,
11390                                     bp->link_params.speed_cap_mask[idx]);
11391                                 return;
11392                         }
11393                         break;
11394
11395                 case PORT_FEATURE_LINK_SPEED_1G:
11396                         if (bp->port.supported[idx] &
11397                             SUPPORTED_1000baseT_Full) {
11398                                 bp->link_params.req_line_speed[idx] =
11399                                         SPEED_1000;
11400                                 bp->port.advertising[idx] |=
11401                                         (ADVERTISED_1000baseT_Full |
11402                                          ADVERTISED_TP);
11403                         } else if (bp->port.supported[idx] &
11404                                    SUPPORTED_1000baseKX_Full) {
11405                                 bp->link_params.req_line_speed[idx] =
11406                                         SPEED_1000;
11407                                 bp->port.advertising[idx] |=
11408                                         ADVERTISED_1000baseKX_Full;
11409                         } else {
11410                                 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x  speed_cap_mask 0x%x\n",
11411                                     link_config,
11412                                     bp->link_params.speed_cap_mask[idx]);
11413                                 return;
11414                         }
11415                         break;
11416
11417                 case PORT_FEATURE_LINK_SPEED_2_5G:
11418                         if (bp->port.supported[idx] &
11419                             SUPPORTED_2500baseX_Full) {
11420                                 bp->link_params.req_line_speed[idx] =
11421                                         SPEED_2500;
11422                                 bp->port.advertising[idx] |=
11423                                         (ADVERTISED_2500baseX_Full |
11424                                                 ADVERTISED_TP);
11425                         } else {
11426                                 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x  speed_cap_mask 0x%x\n",
11427                                     link_config,
11428                                     bp->link_params.speed_cap_mask[idx]);
11429                                 return;
11430                         }
11431                         break;
11432
11433                 case PORT_FEATURE_LINK_SPEED_10G_CX4:
11434                         if (bp->port.supported[idx] &
11435                             SUPPORTED_10000baseT_Full) {
11436                                 bp->link_params.req_line_speed[idx] =
11437                                         SPEED_10000;
11438                                 bp->port.advertising[idx] |=
11439                                         (ADVERTISED_10000baseT_Full |
11440                                                 ADVERTISED_FIBRE);
11441                         } else if (bp->port.supported[idx] &
11442                                    SUPPORTED_10000baseKR_Full) {
11443                                 bp->link_params.req_line_speed[idx] =
11444                                         SPEED_10000;
11445                                 bp->port.advertising[idx] |=
11446                                         (ADVERTISED_10000baseKR_Full |
11447                                                 ADVERTISED_FIBRE);
11448                         } else {
11449                                 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x  speed_cap_mask 0x%x\n",
11450                                     link_config,
11451                                     bp->link_params.speed_cap_mask[idx]);
11452                                 return;
11453                         }
11454                         break;
11455                 case PORT_FEATURE_LINK_SPEED_20G:
11456                         bp->link_params.req_line_speed[idx] = SPEED_20000;
11457
11458                         break;
11459                 default:
11460                         BNX2X_ERR("NVRAM config error. BAD link speed link_config 0x%x\n",
11461                                   link_config);
11462                                 bp->link_params.req_line_speed[idx] =
11463                                                         SPEED_AUTO_NEG;
11464                                 bp->port.advertising[idx] =
11465                                                 bp->port.supported[idx];
11466                         break;
11467                 }
11468
11469                 bp->link_params.req_flow_ctrl[idx] = (link_config &
11470                                          PORT_FEATURE_FLOW_CONTROL_MASK);
11471                 if (bp->link_params.req_flow_ctrl[idx] ==
11472                     BNX2X_FLOW_CTRL_AUTO) {
11473                         if (!(bp->port.supported[idx] & SUPPORTED_Autoneg))
11474                                 bp->link_params.req_flow_ctrl[idx] =
11475                                                         BNX2X_FLOW_CTRL_NONE;
11476                         else
11477                                 bnx2x_set_requested_fc(bp);
11478                 }
11479
11480                 BNX2X_DEV_INFO("req_line_speed %d  req_duplex %d req_flow_ctrl 0x%x advertising 0x%x\n",
11481                                bp->link_params.req_line_speed[idx],
11482                                bp->link_params.req_duplex[idx],
11483                                bp->link_params.req_flow_ctrl[idx],
11484                                bp->port.advertising[idx]);
11485         }
11486 }
11487
11488 static void bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
11489 {
11490         __be16 mac_hi_be = cpu_to_be16(mac_hi);
11491         __be32 mac_lo_be = cpu_to_be32(mac_lo);
11492         memcpy(mac_buf, &mac_hi_be, sizeof(mac_hi_be));
11493         memcpy(mac_buf + sizeof(mac_hi_be), &mac_lo_be, sizeof(mac_lo_be));
11494 }
11495
11496 static void bnx2x_get_port_hwinfo(struct bnx2x *bp)
11497 {
11498         int port = BP_PORT(bp);
11499         u32 config;
11500         u32 ext_phy_type, ext_phy_config, eee_mode;
11501
11502         bp->link_params.bp = bp;
11503         bp->link_params.port = port;
11504
11505         bp->link_params.lane_config =
11506                 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
11507
11508         bp->link_params.speed_cap_mask[0] =
11509                 SHMEM_RD(bp,
11510                          dev_info.port_hw_config[port].speed_capability_mask) &
11511                 PORT_HW_CFG_SPEED_CAPABILITY_D0_MASK;
11512         bp->link_params.speed_cap_mask[1] =
11513                 SHMEM_RD(bp,
11514                          dev_info.port_hw_config[port].speed_capability_mask2) &
11515                 PORT_HW_CFG_SPEED_CAPABILITY_D0_MASK;
11516         bp->port.link_config[0] =
11517                 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
11518
11519         bp->port.link_config[1] =
11520                 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
11521
11522         bp->link_params.multi_phy_config =
11523                 SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
11524         /* If the device is capable of WoL, set the default state according
11525          * to the HW
11526          */
11527         config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
11528         bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
11529                    (config & PORT_FEATURE_WOL_ENABLED));
11530
11531         if ((config & PORT_FEAT_CFG_STORAGE_PERSONALITY_MASK) ==
11532             PORT_FEAT_CFG_STORAGE_PERSONALITY_FCOE && !IS_MF(bp))
11533                 bp->flags |= NO_ISCSI_FLAG;
11534         if ((config & PORT_FEAT_CFG_STORAGE_PERSONALITY_MASK) ==
11535             PORT_FEAT_CFG_STORAGE_PERSONALITY_ISCSI && !(IS_MF(bp)))
11536                 bp->flags |= NO_FCOE_FLAG;
11537
11538         BNX2X_DEV_INFO("lane_config 0x%08x  speed_cap_mask0 0x%08x  link_config0 0x%08x\n",
11539                        bp->link_params.lane_config,
11540                        bp->link_params.speed_cap_mask[0],
11541                        bp->port.link_config[0]);
11542
11543         bp->link_params.switch_cfg = (bp->port.link_config[0] &
11544                                       PORT_FEATURE_CONNECTED_SWITCH_MASK);
11545         bnx2x_phy_probe(&bp->link_params);
11546         bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
11547
11548         bnx2x_link_settings_requested(bp);
11549
11550         /*
11551          * If connected directly, work with the internal PHY, otherwise, work
11552          * with the external PHY
11553          */
11554         ext_phy_config =
11555                 SHMEM_RD(bp,
11556                          dev_info.port_hw_config[port].external_phy_config);
11557         ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
11558         if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
11559                 bp->mdio.prtad = bp->port.phy_addr;
11560
11561         else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
11562                  (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
11563                 bp->mdio.prtad =
11564                         XGXS_EXT_PHY_ADDR(ext_phy_config);
11565
11566         /* Configure link feature according to nvram value */
11567         eee_mode = (((SHMEM_RD(bp, dev_info.
11568                       port_feature_config[port].eee_power_mode)) &
11569                      PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
11570                     PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
11571         if (eee_mode != PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED) {
11572                 bp->link_params.eee_mode = EEE_MODE_ADV_LPI |
11573                                            EEE_MODE_ENABLE_LPI |
11574                                            EEE_MODE_OUTPUT_TIME;
11575         } else {
11576                 bp->link_params.eee_mode = 0;
11577         }
11578 }
11579
11580 void bnx2x_get_iscsi_info(struct bnx2x *bp)
11581 {
11582         u32 no_flags = NO_ISCSI_FLAG;
11583         int port = BP_PORT(bp);
11584         u32 max_iscsi_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
11585                                 drv_lic_key[port].max_iscsi_conn);
11586
11587         if (!CNIC_SUPPORT(bp)) {
11588                 bp->flags |= no_flags;
11589                 return;
11590         }
11591
11592         /* Get the number of maximum allowed iSCSI connections */
11593         bp->cnic_eth_dev.max_iscsi_conn =
11594                 (max_iscsi_conn & BNX2X_MAX_ISCSI_INIT_CONN_MASK) >>
11595                 BNX2X_MAX_ISCSI_INIT_CONN_SHIFT;
11596
11597         BNX2X_DEV_INFO("max_iscsi_conn 0x%x\n",
11598                        bp->cnic_eth_dev.max_iscsi_conn);
11599
11600         /*
11601          * If maximum allowed number of connections is zero -
11602          * disable the feature.
11603          */
11604         if (!bp->cnic_eth_dev.max_iscsi_conn)
11605                 bp->flags |= no_flags;
11606 }
11607
11608 static void bnx2x_get_ext_wwn_info(struct bnx2x *bp, int func)
11609 {
11610         /* Port info */
11611         bp->cnic_eth_dev.fcoe_wwn_port_name_hi =
11612                 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_port_name_upper);
11613         bp->cnic_eth_dev.fcoe_wwn_port_name_lo =
11614                 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_port_name_lower);
11615
11616         /* Node info */
11617         bp->cnic_eth_dev.fcoe_wwn_node_name_hi =
11618                 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_node_name_upper);
11619         bp->cnic_eth_dev.fcoe_wwn_node_name_lo =
11620                 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_node_name_lower);
11621 }
11622
11623 static int bnx2x_shared_fcoe_funcs(struct bnx2x *bp)
11624 {
11625         u8 count = 0;
11626
11627         if (IS_MF(bp)) {
11628                 u8 fid;
11629
11630                 /* iterate over absolute function ids for this path: */
11631                 for (fid = BP_PATH(bp); fid < E2_FUNC_MAX * 2; fid += 2) {
11632                         if (IS_MF_SD(bp)) {
11633                                 u32 cfg = MF_CFG_RD(bp,
11634                                                     func_mf_config[fid].config);
11635
11636                                 if (!(cfg & FUNC_MF_CFG_FUNC_HIDE) &&
11637                                     ((cfg & FUNC_MF_CFG_PROTOCOL_MASK) ==
11638                                             FUNC_MF_CFG_PROTOCOL_FCOE))
11639                                         count++;
11640                         } else {
11641                                 u32 cfg = MF_CFG_RD(bp,
11642                                                     func_ext_config[fid].
11643                                                                       func_cfg);
11644
11645                                 if ((cfg & MACP_FUNC_CFG_FLAGS_ENABLED) &&
11646                                     (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD))
11647                                         count++;
11648                         }
11649                 }
11650         } else { /* SF */
11651                 int port, port_cnt = CHIP_MODE_IS_4_PORT(bp) ? 2 : 1;
11652
11653                 for (port = 0; port < port_cnt; port++) {
11654                         u32 lic = SHMEM_RD(bp,
11655                                            drv_lic_key[port].max_fcoe_conn) ^
11656                                   FW_ENCODE_32BIT_PATTERN;
11657                         if (lic)
11658                                 count++;
11659                 }
11660         }
11661
11662         return count;
11663 }
11664
11665 static void bnx2x_get_fcoe_info(struct bnx2x *bp)
11666 {
11667         int port = BP_PORT(bp);
11668         int func = BP_ABS_FUNC(bp);
11669         u32 max_fcoe_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
11670                                 drv_lic_key[port].max_fcoe_conn);
11671         u8 num_fcoe_func = bnx2x_shared_fcoe_funcs(bp);
11672
11673         if (!CNIC_SUPPORT(bp)) {
11674                 bp->flags |= NO_FCOE_FLAG;
11675                 return;
11676         }
11677
11678         /* Get the number of maximum allowed FCoE connections */
11679         bp->cnic_eth_dev.max_fcoe_conn =
11680                 (max_fcoe_conn & BNX2X_MAX_FCOE_INIT_CONN_MASK) >>
11681                 BNX2X_MAX_FCOE_INIT_CONN_SHIFT;
11682
11683         /* Calculate the number of maximum allowed FCoE tasks */
11684         bp->cnic_eth_dev.max_fcoe_exchanges = MAX_NUM_FCOE_TASKS_PER_ENGINE;
11685
11686         /* check if FCoE resources must be shared between different functions */
11687         if (num_fcoe_func)
11688                 bp->cnic_eth_dev.max_fcoe_exchanges /= num_fcoe_func;
11689
11690         /* Read the WWN: */
11691         if (!IS_MF(bp)) {
11692                 /* Port info */
11693                 bp->cnic_eth_dev.fcoe_wwn_port_name_hi =
11694                         SHMEM_RD(bp,
11695                                  dev_info.port_hw_config[port].
11696                                  fcoe_wwn_port_name_upper);
11697                 bp->cnic_eth_dev.fcoe_wwn_port_name_lo =
11698                         SHMEM_RD(bp,
11699                                  dev_info.port_hw_config[port].
11700                                  fcoe_wwn_port_name_lower);
11701
11702                 /* Node info */
11703                 bp->cnic_eth_dev.fcoe_wwn_node_name_hi =
11704                         SHMEM_RD(bp,
11705                                  dev_info.port_hw_config[port].
11706                                  fcoe_wwn_node_name_upper);
11707                 bp->cnic_eth_dev.fcoe_wwn_node_name_lo =
11708                         SHMEM_RD(bp,
11709                                  dev_info.port_hw_config[port].
11710                                  fcoe_wwn_node_name_lower);
11711         } else if (!IS_MF_SD(bp)) {
11712                 /* Read the WWN info only if the FCoE feature is enabled for
11713                  * this function.
11714                  */
11715                 if (BNX2X_HAS_MF_EXT_PROTOCOL_FCOE(bp))
11716                         bnx2x_get_ext_wwn_info(bp, func);
11717         } else {
11718                 if (BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp) && !CHIP_IS_E1x(bp))
11719                         bnx2x_get_ext_wwn_info(bp, func);
11720         }
11721
11722         BNX2X_DEV_INFO("max_fcoe_conn 0x%x\n", bp->cnic_eth_dev.max_fcoe_conn);
11723
11724         /*
11725          * If maximum allowed number of connections is zero -
11726          * disable the feature.
11727          */
11728         if (!bp->cnic_eth_dev.max_fcoe_conn)
11729                 bp->flags |= NO_FCOE_FLAG;
11730 }
11731
11732 static void bnx2x_get_cnic_info(struct bnx2x *bp)
11733 {
11734         /*
11735          * iSCSI may be dynamically disabled but reading
11736          * info here we will decrease memory usage by driver
11737          * if the feature is disabled for good
11738          */
11739         bnx2x_get_iscsi_info(bp);
11740         bnx2x_get_fcoe_info(bp);
11741 }
11742
11743 static void bnx2x_get_cnic_mac_hwinfo(struct bnx2x *bp)
11744 {
11745         u32 val, val2;
11746         int func = BP_ABS_FUNC(bp);
11747         int port = BP_PORT(bp);
11748         u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
11749         u8 *fip_mac = bp->fip_mac;
11750
11751         if (IS_MF(bp)) {
11752                 /* iSCSI and FCoE NPAR MACs: if there is no either iSCSI or
11753                  * FCoE MAC then the appropriate feature should be disabled.
11754                  * In non SD mode features configuration comes from struct
11755                  * func_ext_config.
11756                  */
11757                 if (!IS_MF_SD(bp)) {
11758                         u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
11759                         if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
11760                                 val2 = MF_CFG_RD(bp, func_ext_config[func].
11761                                                  iscsi_mac_addr_upper);
11762                                 val = MF_CFG_RD(bp, func_ext_config[func].
11763                                                 iscsi_mac_addr_lower);
11764                                 bnx2x_set_mac_buf(iscsi_mac, val, val2);
11765                                 BNX2X_DEV_INFO
11766                                         ("Read iSCSI MAC: %pM\n", iscsi_mac);
11767                         } else {
11768                                 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
11769                         }
11770
11771                         if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
11772                                 val2 = MF_CFG_RD(bp, func_ext_config[func].
11773                                                  fcoe_mac_addr_upper);
11774                                 val = MF_CFG_RD(bp, func_ext_config[func].
11775                                                 fcoe_mac_addr_lower);
11776                                 bnx2x_set_mac_buf(fip_mac, val, val2);
11777                                 BNX2X_DEV_INFO
11778                                         ("Read FCoE L2 MAC: %pM\n", fip_mac);
11779                         } else {
11780                                 bp->flags |= NO_FCOE_FLAG;
11781                         }
11782
11783                         bp->mf_ext_config = cfg;
11784
11785                 } else { /* SD MODE */
11786                         if (BNX2X_IS_MF_SD_PROTOCOL_ISCSI(bp)) {
11787                                 /* use primary mac as iscsi mac */
11788                                 memcpy(iscsi_mac, bp->dev->dev_addr, ETH_ALEN);
11789
11790                                 BNX2X_DEV_INFO("SD ISCSI MODE\n");
11791                                 BNX2X_DEV_INFO
11792                                         ("Read iSCSI MAC: %pM\n", iscsi_mac);
11793                         } else if (BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp)) {
11794                                 /* use primary mac as fip mac */
11795                                 memcpy(fip_mac, bp->dev->dev_addr, ETH_ALEN);
11796                                 BNX2X_DEV_INFO("SD FCoE MODE\n");
11797                                 BNX2X_DEV_INFO
11798                                         ("Read FIP MAC: %pM\n", fip_mac);
11799                         }
11800                 }
11801
11802                 /* If this is a storage-only interface, use SAN mac as
11803                  * primary MAC. Notice that for SD this is already the case,
11804                  * as the SAN mac was copied from the primary MAC.
11805                  */
11806                 if (IS_MF_FCOE_AFEX(bp))
11807                         memcpy(bp->dev->dev_addr, fip_mac, ETH_ALEN);
11808         } else {
11809                 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
11810                                 iscsi_mac_upper);
11811                 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
11812                                iscsi_mac_lower);
11813                 bnx2x_set_mac_buf(iscsi_mac, val, val2);
11814
11815                 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
11816                                 fcoe_fip_mac_upper);
11817                 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
11818                                fcoe_fip_mac_lower);
11819                 bnx2x_set_mac_buf(fip_mac, val, val2);
11820         }
11821
11822         /* Disable iSCSI OOO if MAC configuration is invalid. */
11823         if (!is_valid_ether_addr(iscsi_mac)) {
11824                 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
11825                 eth_zero_addr(iscsi_mac);
11826         }
11827
11828         /* Disable FCoE if MAC configuration is invalid. */
11829         if (!is_valid_ether_addr(fip_mac)) {
11830                 bp->flags |= NO_FCOE_FLAG;
11831                 eth_zero_addr(bp->fip_mac);
11832         }
11833 }
11834
11835 static void bnx2x_get_mac_hwinfo(struct bnx2x *bp)
11836 {
11837         u32 val, val2;
11838         int func = BP_ABS_FUNC(bp);
11839         int port = BP_PORT(bp);
11840
11841         /* Zero primary MAC configuration */
11842         eth_zero_addr(bp->dev->dev_addr);
11843
11844         if (BP_NOMCP(bp)) {
11845                 BNX2X_ERROR("warning: random MAC workaround active\n");
11846                 eth_hw_addr_random(bp->dev);
11847         } else if (IS_MF(bp)) {
11848                 val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
11849                 val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
11850                 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
11851                     (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
11852                         bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
11853
11854                 if (CNIC_SUPPORT(bp))
11855                         bnx2x_get_cnic_mac_hwinfo(bp);
11856         } else {
11857                 /* in SF read MACs from port configuration */
11858                 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
11859                 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
11860                 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
11861
11862                 if (CNIC_SUPPORT(bp))
11863                         bnx2x_get_cnic_mac_hwinfo(bp);
11864         }
11865
11866         if (!BP_NOMCP(bp)) {
11867                 /* Read physical port identifier from shmem */
11868                 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
11869                 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
11870                 bnx2x_set_mac_buf(bp->phys_port_id, val, val2);
11871                 bp->flags |= HAS_PHYS_PORT_ID;
11872         }
11873
11874         memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
11875
11876         if (!is_valid_ether_addr(bp->dev->dev_addr))
11877                 dev_err(&bp->pdev->dev,
11878                         "bad Ethernet MAC address configuration: %pM\n"
11879                         "change it manually before bringing up the appropriate network interface\n",
11880                         bp->dev->dev_addr);
11881 }
11882
11883 static bool bnx2x_get_dropless_info(struct bnx2x *bp)
11884 {
11885         int tmp;
11886         u32 cfg;
11887
11888         if (IS_VF(bp))
11889                 return false;
11890
11891         if (IS_MF(bp) && !CHIP_IS_E1x(bp)) {
11892                 /* Take function: tmp = func */
11893                 tmp = BP_ABS_FUNC(bp);
11894                 cfg = MF_CFG_RD(bp, func_ext_config[tmp].func_cfg);
11895                 cfg = !!(cfg & MACP_FUNC_CFG_PAUSE_ON_HOST_RING);
11896         } else {
11897                 /* Take port: tmp = port */
11898                 tmp = BP_PORT(bp);
11899                 cfg = SHMEM_RD(bp,
11900                                dev_info.port_hw_config[tmp].generic_features);
11901                 cfg = !!(cfg & PORT_HW_CFG_PAUSE_ON_HOST_RING_ENABLED);
11902         }
11903         return cfg;
11904 }
11905
11906 static void validate_set_si_mode(struct bnx2x *bp)
11907 {
11908         u8 func = BP_ABS_FUNC(bp);
11909         u32 val;
11910
11911         val = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
11912
11913         /* check for legal mac (upper bytes) */
11914         if (val != 0xffff) {
11915                 bp->mf_mode = MULTI_FUNCTION_SI;
11916                 bp->mf_config[BP_VN(bp)] =
11917                         MF_CFG_RD(bp, func_mf_config[func].config);
11918         } else
11919                 BNX2X_DEV_INFO("illegal MAC address for SI\n");
11920 }
11921
11922 static int bnx2x_get_hwinfo(struct bnx2x *bp)
11923 {
11924         int /*abs*/func = BP_ABS_FUNC(bp);
11925         int vn, mfw_vn;
11926         u32 val = 0, val2 = 0;
11927         int rc = 0;
11928
11929         /* Validate that chip access is feasible */
11930         if (REG_RD(bp, MISC_REG_CHIP_NUM) == 0xffffffff) {
11931                 dev_err(&bp->pdev->dev,
11932                         "Chip read returns all Fs. Preventing probe from continuing\n");
11933                 return -EINVAL;
11934         }
11935
11936         bnx2x_get_common_hwinfo(bp);
11937
11938         /*
11939          * initialize IGU parameters
11940          */
11941         if (CHIP_IS_E1x(bp)) {
11942                 bp->common.int_block = INT_BLOCK_HC;
11943
11944                 bp->igu_dsb_id = DEF_SB_IGU_ID;
11945                 bp->igu_base_sb = 0;
11946         } else {
11947                 bp->common.int_block = INT_BLOCK_IGU;
11948
11949                 /* do not allow device reset during IGU info processing */
11950                 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
11951
11952                 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
11953
11954                 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
11955                         int tout = 5000;
11956
11957                         BNX2X_DEV_INFO("FORCING Normal Mode\n");
11958
11959                         val &= ~(IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN);
11960                         REG_WR(bp, IGU_REG_BLOCK_CONFIGURATION, val);
11961                         REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x7f);
11962
11963                         while (tout && REG_RD(bp, IGU_REG_RESET_MEMORIES)) {
11964                                 tout--;
11965                                 usleep_range(1000, 2000);
11966                         }
11967
11968                         if (REG_RD(bp, IGU_REG_RESET_MEMORIES)) {
11969                                 dev_err(&bp->pdev->dev,
11970                                         "FORCING Normal Mode failed!!!\n");
11971                                 bnx2x_release_hw_lock(bp,
11972                                                       HW_LOCK_RESOURCE_RESET);
11973                                 return -EPERM;
11974                         }
11975                 }
11976
11977                 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
11978                         BNX2X_DEV_INFO("IGU Backward Compatible Mode\n");
11979                         bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
11980                 } else
11981                         BNX2X_DEV_INFO("IGU Normal Mode\n");
11982
11983                 rc = bnx2x_get_igu_cam_info(bp);
11984                 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
11985                 if (rc)
11986                         return rc;
11987         }
11988
11989         /*
11990          * set base FW non-default (fast path) status block id, this value is
11991          * used to initialize the fw_sb_id saved on the fp/queue structure to
11992          * determine the id used by the FW.
11993          */
11994         if (CHIP_IS_E1x(bp))
11995                 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x + BP_L_ID(bp);
11996         else /*
11997               * 57712 - we currently use one FW SB per IGU SB (Rx and Tx of
11998               * the same queue are indicated on the same IGU SB). So we prefer
11999               * FW and IGU SBs to be the same value.
12000               */
12001                 bp->base_fw_ndsb = bp->igu_base_sb;
12002
12003         BNX2X_DEV_INFO("igu_dsb_id %d  igu_base_sb %d  igu_sb_cnt %d\n"
12004                        "base_fw_ndsb %d\n", bp->igu_dsb_id, bp->igu_base_sb,
12005                        bp->igu_sb_cnt, bp->base_fw_ndsb);
12006
12007         /*
12008          * Initialize MF configuration
12009          */
12010
12011         bp->mf_ov = 0;
12012         bp->mf_mode = 0;
12013         bp->mf_sub_mode = 0;
12014         vn = BP_VN(bp);
12015         mfw_vn = BP_FW_MB_IDX(bp);
12016
12017         if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
12018                 BNX2X_DEV_INFO("shmem2base 0x%x, size %d, mfcfg offset %d\n",
12019                                bp->common.shmem2_base, SHMEM2_RD(bp, size),
12020                               (u32)offsetof(struct shmem2_region, mf_cfg_addr));
12021
12022                 if (SHMEM2_HAS(bp, mf_cfg_addr))
12023                         bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
12024                 else
12025                         bp->common.mf_cfg_base = bp->common.shmem_base +
12026                                 offsetof(struct shmem_region, func_mb) +
12027                                 E1H_FUNC_MAX * sizeof(struct drv_func_mb);
12028                 /*
12029                  * get mf configuration:
12030                  * 1. Existence of MF configuration
12031                  * 2. MAC address must be legal (check only upper bytes)
12032                  *    for  Switch-Independent mode;
12033                  *    OVLAN must be legal for Switch-Dependent mode
12034                  * 3. SF_MODE configures specific MF mode
12035                  */
12036                 if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
12037                         /* get mf configuration */
12038                         val = SHMEM_RD(bp,
12039                                        dev_info.shared_feature_config.config);
12040                         val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;
12041
12042                         switch (val) {
12043                         case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
12044                                 validate_set_si_mode(bp);
12045                                 break;
12046                         case SHARED_FEAT_CFG_FORCE_SF_MODE_AFEX_MODE:
12047                                 if ((!CHIP_IS_E1x(bp)) &&
12048                                     (MF_CFG_RD(bp, func_mf_config[func].
12049                                                mac_upper) != 0xffff) &&
12050                                     (SHMEM2_HAS(bp,
12051                                                 afex_driver_support))) {
12052                                         bp->mf_mode = MULTI_FUNCTION_AFEX;
12053                                         bp->mf_config[vn] = MF_CFG_RD(bp,
12054                                                 func_mf_config[func].config);
12055                                 } else {
12056                                         BNX2X_DEV_INFO("can not configure afex mode\n");
12057                                 }
12058                                 break;
12059                         case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
12060                                 /* get OV configuration */
12061                                 val = MF_CFG_RD(bp,
12062                                         func_mf_config[FUNC_0].e1hov_tag);
12063                                 val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
12064
12065                                 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
12066                                         bp->mf_mode = MULTI_FUNCTION_SD;
12067                                         bp->mf_config[vn] = MF_CFG_RD(bp,
12068                                                 func_mf_config[func].config);
12069                                 } else
12070                                         BNX2X_DEV_INFO("illegal OV for SD\n");
12071                                 break;
12072                         case SHARED_FEAT_CFG_FORCE_SF_MODE_BD_MODE:
12073                                 bp->mf_mode = MULTI_FUNCTION_SD;
12074                                 bp->mf_sub_mode = SUB_MF_MODE_BD;
12075                                 bp->mf_config[vn] =
12076                                         MF_CFG_RD(bp,
12077                                                   func_mf_config[func].config);
12078
12079                                 if (SHMEM2_HAS(bp, mtu_size)) {
12080                                         int mtu_idx = BP_FW_MB_IDX(bp);
12081                                         u16 mtu_size;
12082                                         u32 mtu;
12083
12084                                         mtu = SHMEM2_RD(bp, mtu_size[mtu_idx]);
12085                                         mtu_size = (u16)mtu;
12086                                         DP(NETIF_MSG_IFUP, "Read MTU size %04x [%08x]\n",
12087                                            mtu_size, mtu);
12088
12089                                         /* if valid: update device mtu */
12090                                         if (((mtu_size + ETH_HLEN) >=
12091                                              ETH_MIN_PACKET_SIZE) &&
12092                                             (mtu_size <=
12093                                              ETH_MAX_JUMBO_PACKET_SIZE))
12094                                                 bp->dev->mtu = mtu_size;
12095                                 }
12096                                 break;
12097                         case SHARED_FEAT_CFG_FORCE_SF_MODE_UFP_MODE:
12098                                 bp->mf_mode = MULTI_FUNCTION_SD;
12099                                 bp->mf_sub_mode = SUB_MF_MODE_UFP;
12100                                 bp->mf_config[vn] =
12101                                         MF_CFG_RD(bp,
12102                                                   func_mf_config[func].config);
12103                                 break;
12104                         case SHARED_FEAT_CFG_FORCE_SF_MODE_FORCED_SF:
12105                                 bp->mf_config[vn] = 0;
12106                                 break;
12107                         case SHARED_FEAT_CFG_FORCE_SF_MODE_EXTENDED_MODE:
12108                                 val2 = SHMEM_RD(bp,
12109                                         dev_info.shared_hw_config.config_3);
12110                                 val2 &= SHARED_HW_CFG_EXTENDED_MF_MODE_MASK;
12111                                 switch (val2) {
12112                                 case SHARED_HW_CFG_EXTENDED_MF_MODE_NPAR1_DOT_5:
12113                                         validate_set_si_mode(bp);
12114                                         bp->mf_sub_mode =
12115                                                         SUB_MF_MODE_NPAR1_DOT_5;
12116                                         break;
12117                                 default:
12118                                         /* Unknown configuration */
12119                                         bp->mf_config[vn] = 0;
12120                                         BNX2X_DEV_INFO("unknown extended MF mode 0x%x\n",
12121                                                        val);
12122                                 }
12123                                 break;
12124                         default:
12125                                 /* Unknown configuration: reset mf_config */
12126                                 bp->mf_config[vn] = 0;
12127                                 BNX2X_DEV_INFO("unknown MF mode 0x%x\n", val);
12128                         }
12129                 }
12130
12131                 BNX2X_DEV_INFO("%s function mode\n",
12132                                IS_MF(bp) ? "multi" : "single");
12133
12134                 switch (bp->mf_mode) {
12135                 case MULTI_FUNCTION_SD:
12136                         val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
12137                               FUNC_MF_CFG_E1HOV_TAG_MASK;
12138                         if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
12139                                 bp->mf_ov = val;
12140                                 bp->path_has_ovlan = true;
12141
12142                                 BNX2X_DEV_INFO("MF OV for func %d is %d (0x%04x)\n",
12143                                                func, bp->mf_ov, bp->mf_ov);
12144                         } else if ((bp->mf_sub_mode == SUB_MF_MODE_UFP) ||
12145                                    (bp->mf_sub_mode == SUB_MF_MODE_BD)) {
12146                                 dev_err(&bp->pdev->dev,
12147                                         "Unexpected - no valid MF OV for func %d in UFP/BD mode\n",
12148                                         func);
12149                                 bp->path_has_ovlan = true;
12150                         } else {
12151                                 dev_err(&bp->pdev->dev,
12152                                         "No valid MF OV for func %d, aborting\n",
12153                                         func);
12154                                 return -EPERM;
12155                         }
12156                         break;
12157                 case MULTI_FUNCTION_AFEX:
12158                         BNX2X_DEV_INFO("func %d is in MF afex mode\n", func);
12159                         break;
12160                 case MULTI_FUNCTION_SI:
12161                         BNX2X_DEV_INFO("func %d is in MF switch-independent mode\n",
12162                                        func);
12163                         break;
12164                 default:
12165                         if (vn) {
12166                                 dev_err(&bp->pdev->dev,
12167                                         "VN %d is in a single function mode, aborting\n",
12168                                         vn);
12169                                 return -EPERM;
12170                         }
12171                         break;
12172                 }
12173
12174                 /* check if other port on the path needs ovlan:
12175                  * Since MF configuration is shared between ports
12176                  * Possible mixed modes are only
12177                  * {SF, SI} {SF, SD} {SD, SF} {SI, SF}
12178                  */
12179                 if (CHIP_MODE_IS_4_PORT(bp) &&
12180                     !bp->path_has_ovlan &&
12181                     !IS_MF(bp) &&
12182                     bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
12183                         u8 other_port = !BP_PORT(bp);
12184                         u8 other_func = BP_PATH(bp) + 2*other_port;
12185                         val = MF_CFG_RD(bp,
12186                                         func_mf_config[other_func].e1hov_tag);
12187                         if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT)
12188                                 bp->path_has_ovlan = true;
12189                 }
12190         }
12191
12192         /* adjust igu_sb_cnt to MF for E1H */
12193         if (CHIP_IS_E1H(bp) && IS_MF(bp))
12194                 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt, E1H_MAX_MF_SB_COUNT);
12195
12196         /* port info */
12197         bnx2x_get_port_hwinfo(bp);
12198
12199         /* Get MAC addresses */
12200         bnx2x_get_mac_hwinfo(bp);
12201
12202         bnx2x_get_cnic_info(bp);
12203
12204         return rc;
12205 }
12206
12207 static void bnx2x_read_fwinfo(struct bnx2x *bp)
12208 {
12209         int cnt, i, block_end, rodi;
12210         char vpd_start[BNX2X_VPD_LEN+1];
12211         char str_id_reg[VENDOR_ID_LEN+1];
12212         char str_id_cap[VENDOR_ID_LEN+1];
12213         char *vpd_data;
12214         char *vpd_extended_data = NULL;
12215         u8 len;
12216
12217         cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_start);
12218         memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
12219
12220         if (cnt < BNX2X_VPD_LEN)
12221                 goto out_not_found;
12222
12223         /* VPD RO tag should be first tag after identifier string, hence
12224          * we should be able to find it in first BNX2X_VPD_LEN chars
12225          */
12226         i = pci_vpd_find_tag(vpd_start, 0, BNX2X_VPD_LEN,
12227                              PCI_VPD_LRDT_RO_DATA);
12228         if (i < 0)
12229                 goto out_not_found;
12230
12231         block_end = i + PCI_VPD_LRDT_TAG_SIZE +
12232                     pci_vpd_lrdt_size(&vpd_start[i]);
12233
12234         i += PCI_VPD_LRDT_TAG_SIZE;
12235
12236         if (block_end > BNX2X_VPD_LEN) {
12237                 vpd_extended_data = kmalloc(block_end, GFP_KERNEL);
12238                 if (vpd_extended_data  == NULL)
12239                         goto out_not_found;
12240
12241                 /* read rest of vpd image into vpd_extended_data */
12242                 memcpy(vpd_extended_data, vpd_start, BNX2X_VPD_LEN);
12243                 cnt = pci_read_vpd(bp->pdev, BNX2X_VPD_LEN,
12244                                    block_end - BNX2X_VPD_LEN,
12245                                    vpd_extended_data + BNX2X_VPD_LEN);
12246                 if (cnt < (block_end - BNX2X_VPD_LEN))
12247                         goto out_not_found;
12248                 vpd_data = vpd_extended_data;
12249         } else
12250                 vpd_data = vpd_start;
12251
12252         /* now vpd_data holds full vpd content in both cases */
12253
12254         rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
12255                                    PCI_VPD_RO_KEYWORD_MFR_ID);
12256         if (rodi < 0)
12257                 goto out_not_found;
12258
12259         len = pci_vpd_info_field_size(&vpd_data[rodi]);
12260
12261         if (len != VENDOR_ID_LEN)
12262                 goto out_not_found;
12263
12264         rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
12265
12266         /* vendor specific info */
12267         snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
12268         snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
12269         if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
12270             !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
12271
12272                 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
12273                                                 PCI_VPD_RO_KEYWORD_VENDOR0);
12274                 if (rodi >= 0) {
12275                         len = pci_vpd_info_field_size(&vpd_data[rodi]);
12276
12277                         rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
12278
12279                         if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
12280                                 memcpy(bp->fw_ver, &vpd_data[rodi], len);
12281                                 bp->fw_ver[len] = ' ';
12282                         }
12283                 }
12284                 kfree(vpd_extended_data);
12285                 return;
12286         }
12287 out_not_found:
12288         kfree(vpd_extended_data);
12289         return;
12290 }
12291
12292 static void bnx2x_set_modes_bitmap(struct bnx2x *bp)
12293 {
12294         u32 flags = 0;
12295
12296         if (CHIP_REV_IS_FPGA(bp))
12297                 SET_FLAGS(flags, MODE_FPGA);
12298         else if (CHIP_REV_IS_EMUL(bp))
12299                 SET_FLAGS(flags, MODE_EMUL);
12300         else
12301                 SET_FLAGS(flags, MODE_ASIC);
12302
12303         if (CHIP_MODE_IS_4_PORT(bp))
12304                 SET_FLAGS(flags, MODE_PORT4);
12305         else
12306                 SET_FLAGS(flags, MODE_PORT2);
12307
12308         if (CHIP_IS_E2(bp))
12309                 SET_FLAGS(flags, MODE_E2);
12310         else if (CHIP_IS_E3(bp)) {
12311                 SET_FLAGS(flags, MODE_E3);
12312                 if (CHIP_REV(bp) == CHIP_REV_Ax)
12313                         SET_FLAGS(flags, MODE_E3_A0);
12314                 else /*if (CHIP_REV(bp) == CHIP_REV_Bx)*/
12315                         SET_FLAGS(flags, MODE_E3_B0 | MODE_COS3);
12316         }
12317
12318         if (IS_MF(bp)) {
12319                 SET_FLAGS(flags, MODE_MF);
12320                 switch (bp->mf_mode) {
12321                 case MULTI_FUNCTION_SD:
12322                         SET_FLAGS(flags, MODE_MF_SD);
12323                         break;
12324                 case MULTI_FUNCTION_SI:
12325                         SET_FLAGS(flags, MODE_MF_SI);
12326                         break;
12327                 case MULTI_FUNCTION_AFEX:
12328                         SET_FLAGS(flags, MODE_MF_AFEX);
12329                         break;
12330                 }
12331         } else
12332                 SET_FLAGS(flags, MODE_SF);
12333
12334 #if defined(__LITTLE_ENDIAN)
12335         SET_FLAGS(flags, MODE_LITTLE_ENDIAN);
12336 #else /*(__BIG_ENDIAN)*/
12337         SET_FLAGS(flags, MODE_BIG_ENDIAN);
12338 #endif
12339         INIT_MODE_FLAGS(bp) = flags;
12340 }
12341
12342 static int bnx2x_init_bp(struct bnx2x *bp)
12343 {
12344         int func;
12345         int rc;
12346
12347         mutex_init(&bp->port.phy_mutex);
12348         mutex_init(&bp->fw_mb_mutex);
12349         mutex_init(&bp->drv_info_mutex);
12350         sema_init(&bp->stats_lock, 1);
12351         bp->drv_info_mng_owner = false;
12352         INIT_LIST_HEAD(&bp->vlan_reg);
12353
12354         INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
12355         INIT_DELAYED_WORK(&bp->sp_rtnl_task, bnx2x_sp_rtnl_task);
12356         INIT_DELAYED_WORK(&bp->period_task, bnx2x_period_task);
12357         INIT_DELAYED_WORK(&bp->iov_task, bnx2x_iov_task);
12358         if (IS_PF(bp)) {
12359                 rc = bnx2x_get_hwinfo(bp);
12360                 if (rc)
12361                         return rc;
12362         } else {
12363                 eth_zero_addr(bp->dev->dev_addr);
12364         }
12365
12366         bnx2x_set_modes_bitmap(bp);
12367
12368         rc = bnx2x_alloc_mem_bp(bp);
12369         if (rc)
12370                 return rc;
12371
12372         bnx2x_read_fwinfo(bp);
12373
12374         func = BP_FUNC(bp);
12375
12376         /* need to reset chip if undi was active */
12377         if (IS_PF(bp) && !BP_NOMCP(bp)) {
12378                 /* init fw_seq */
12379                 bp->fw_seq =
12380                         SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
12381                                                         DRV_MSG_SEQ_NUMBER_MASK;
12382                 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
12383
12384                 rc = bnx2x_prev_unload(bp);
12385                 if (rc) {
12386                         bnx2x_free_mem_bp(bp);
12387                         return rc;
12388                 }
12389         }
12390
12391         if (CHIP_REV_IS_FPGA(bp))
12392                 dev_err(&bp->pdev->dev, "FPGA detected\n");
12393
12394         if (BP_NOMCP(bp) && (func == 0))
12395                 dev_err(&bp->pdev->dev, "MCP disabled, must load devices in order!\n");
12396
12397         bp->disable_tpa = disable_tpa;
12398         bp->disable_tpa |= !!IS_MF_STORAGE_ONLY(bp);
12399         /* Reduce memory usage in kdump environment by disabling TPA */
12400         bp->disable_tpa |= is_kdump_kernel();
12401
12402         /* Set TPA flags */
12403         if (bp->disable_tpa) {
12404                 bp->dev->hw_features &= ~NETIF_F_LRO;
12405                 bp->dev->features &= ~NETIF_F_LRO;
12406         }
12407
12408         if (CHIP_IS_E1(bp))
12409                 bp->dropless_fc = 0;
12410         else
12411                 bp->dropless_fc = dropless_fc | bnx2x_get_dropless_info(bp);
12412
12413         bp->mrrs = mrrs;
12414
12415         bp->tx_ring_size = IS_MF_STORAGE_ONLY(bp) ? 0 : MAX_TX_AVAIL;
12416         if (IS_VF(bp))
12417                 bp->rx_ring_size = MAX_RX_AVAIL;
12418
12419         /* make sure that the numbers are in the right granularity */
12420         bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
12421         bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
12422
12423         bp->current_interval = CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ;
12424
12425         init_timer(&bp->timer);
12426         bp->timer.expires = jiffies + bp->current_interval;
12427         bp->timer.data = (unsigned long) bp;
12428         bp->timer.function = bnx2x_timer;
12429
12430         if (SHMEM2_HAS(bp, dcbx_lldp_params_offset) &&
12431             SHMEM2_HAS(bp, dcbx_lldp_dcbx_stat_offset) &&
12432             SHMEM2_RD(bp, dcbx_lldp_params_offset) &&
12433             SHMEM2_RD(bp, dcbx_lldp_dcbx_stat_offset)) {
12434                 bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
12435                 bnx2x_dcbx_init_params(bp);
12436         } else {
12437                 bnx2x_dcbx_set_state(bp, false, BNX2X_DCBX_ENABLED_OFF);
12438         }
12439
12440         if (CHIP_IS_E1x(bp))
12441                 bp->cnic_base_cl_id = FP_SB_MAX_E1x;
12442         else
12443                 bp->cnic_base_cl_id = FP_SB_MAX_E2;
12444
12445         /* multiple tx priority */
12446         if (IS_VF(bp))
12447                 bp->max_cos = 1;
12448         else if (CHIP_IS_E1x(bp))
12449                 bp->max_cos = BNX2X_MULTI_TX_COS_E1X;
12450         else if (CHIP_IS_E2(bp) || CHIP_IS_E3A0(bp))
12451                 bp->max_cos = BNX2X_MULTI_TX_COS_E2_E3A0;
12452         else if (CHIP_IS_E3B0(bp))
12453                 bp->max_cos = BNX2X_MULTI_TX_COS_E3B0;
12454         else
12455                 BNX2X_ERR("unknown chip %x revision %x\n",
12456                           CHIP_NUM(bp), CHIP_REV(bp));
12457         BNX2X_DEV_INFO("set bp->max_cos to %d\n", bp->max_cos);
12458
12459         /* We need at least one default status block for slow-path events,
12460          * second status block for the L2 queue, and a third status block for
12461          * CNIC if supported.
12462          */
12463         if (IS_VF(bp))
12464                 bp->min_msix_vec_cnt = 1;
12465         else if (CNIC_SUPPORT(bp))
12466                 bp->min_msix_vec_cnt = 3;
12467         else /* PF w/o cnic */
12468                 bp->min_msix_vec_cnt = 2;
12469         BNX2X_DEV_INFO("bp->min_msix_vec_cnt %d", bp->min_msix_vec_cnt);
12470
12471         bp->dump_preset_idx = 1;
12472
12473         if (CHIP_IS_E3B0(bp))
12474                 bp->flags |= PTP_SUPPORTED;
12475
12476         return rc;
12477 }
12478
12479 /****************************************************************************
12480 * General service functions
12481 ****************************************************************************/
12482
12483 /*
12484  * net_device service functions
12485  */
12486
12487 /* called with rtnl_lock */
12488 static int bnx2x_open(struct net_device *dev)
12489 {
12490         struct bnx2x *bp = netdev_priv(dev);
12491         int rc;
12492
12493         bp->stats_init = true;
12494
12495         netif_carrier_off(dev);
12496
12497         bnx2x_set_power_state(bp, PCI_D0);
12498
12499         /* If parity had happen during the unload, then attentions
12500          * and/or RECOVERY_IN_PROGRES may still be set. In this case we
12501          * want the first function loaded on the current engine to
12502          * complete the recovery.
12503          * Parity recovery is only relevant for PF driver.
12504          */
12505         if (IS_PF(bp)) {
12506                 int other_engine = BP_PATH(bp) ? 0 : 1;
12507                 bool other_load_status, load_status;
12508                 bool global = false;
12509
12510                 other_load_status = bnx2x_get_load_status(bp, other_engine);
12511                 load_status = bnx2x_get_load_status(bp, BP_PATH(bp));
12512                 if (!bnx2x_reset_is_done(bp, BP_PATH(bp)) ||
12513                     bnx2x_chk_parity_attn(bp, &global, true)) {
12514                         do {
12515                                 /* If there are attentions and they are in a
12516                                  * global blocks, set the GLOBAL_RESET bit
12517                                  * regardless whether it will be this function
12518                                  * that will complete the recovery or not.
12519                                  */
12520                                 if (global)
12521                                         bnx2x_set_reset_global(bp);
12522
12523                                 /* Only the first function on the current
12524                                  * engine should try to recover in open. In case
12525                                  * of attentions in global blocks only the first
12526                                  * in the chip should try to recover.
12527                                  */
12528                                 if ((!load_status &&
12529                                      (!global || !other_load_status)) &&
12530                                       bnx2x_trylock_leader_lock(bp) &&
12531                                       !bnx2x_leader_reset(bp)) {
12532                                         netdev_info(bp->dev,
12533                                                     "Recovered in open\n");
12534                                         break;
12535                                 }
12536
12537                                 /* recovery has failed... */
12538                                 bnx2x_set_power_state(bp, PCI_D3hot);
12539                                 bp->recovery_state = BNX2X_RECOVERY_FAILED;
12540
12541                                 BNX2X_ERR("Recovery flow hasn't been properly completed yet. Try again later.\n"
12542                                           "If you still see this message after a few retries then power cycle is required.\n");
12543
12544                                 return -EAGAIN;
12545                         } while (0);
12546                 }
12547         }
12548
12549         bp->recovery_state = BNX2X_RECOVERY_DONE;
12550         rc = bnx2x_nic_load(bp, LOAD_OPEN);
12551         if (rc)
12552                 return rc;
12553
12554 #ifdef CONFIG_BNX2X_VXLAN
12555         if (IS_PF(bp))
12556                 vxlan_get_rx_port(dev);
12557 #endif
12558 #if IS_ENABLED(CONFIG_GENEVE)
12559         if (IS_PF(bp))
12560                 geneve_get_rx_port(dev);
12561 #endif
12562
12563         return 0;
12564 }
12565
12566 /* called with rtnl_lock */
12567 static int bnx2x_close(struct net_device *dev)
12568 {
12569         struct bnx2x *bp = netdev_priv(dev);
12570
12571         /* Unload the driver, release IRQs */
12572         bnx2x_nic_unload(bp, UNLOAD_CLOSE, false);
12573
12574         return 0;
12575 }
12576
12577 static int bnx2x_init_mcast_macs_list(struct bnx2x *bp,
12578                                       struct bnx2x_mcast_ramrod_params *p)
12579 {
12580         int mc_count = netdev_mc_count(bp->dev);
12581         struct bnx2x_mcast_list_elem *mc_mac =
12582                 kcalloc(mc_count, sizeof(*mc_mac), GFP_ATOMIC);
12583         struct netdev_hw_addr *ha;
12584
12585         if (!mc_mac)
12586                 return -ENOMEM;
12587
12588         INIT_LIST_HEAD(&p->mcast_list);
12589
12590         netdev_for_each_mc_addr(ha, bp->dev) {
12591                 mc_mac->mac = bnx2x_mc_addr(ha);
12592                 list_add_tail(&mc_mac->link, &p->mcast_list);
12593                 mc_mac++;
12594         }
12595
12596         p->mcast_list_len = mc_count;
12597
12598         return 0;
12599 }
12600
12601 static void bnx2x_free_mcast_macs_list(
12602         struct bnx2x_mcast_ramrod_params *p)
12603 {
12604         struct bnx2x_mcast_list_elem *mc_mac =
12605                 list_first_entry(&p->mcast_list, struct bnx2x_mcast_list_elem,
12606                                  link);
12607
12608         WARN_ON(!mc_mac);
12609         kfree(mc_mac);
12610 }
12611
12612 /**
12613  * bnx2x_set_uc_list - configure a new unicast MACs list.
12614  *
12615  * @bp: driver handle
12616  *
12617  * We will use zero (0) as a MAC type for these MACs.
12618  */
12619 static int bnx2x_set_uc_list(struct bnx2x *bp)
12620 {
12621         int rc;
12622         struct net_device *dev = bp->dev;
12623         struct netdev_hw_addr *ha;
12624         struct bnx2x_vlan_mac_obj *mac_obj = &bp->sp_objs->mac_obj;
12625         unsigned long ramrod_flags = 0;
12626
12627         /* First schedule a cleanup up of old configuration */
12628         rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_UC_LIST_MAC, false);
12629         if (rc < 0) {
12630                 BNX2X_ERR("Failed to schedule DELETE operations: %d\n", rc);
12631                 return rc;
12632         }
12633
12634         netdev_for_each_uc_addr(ha, dev) {
12635                 rc = bnx2x_set_mac_one(bp, bnx2x_uc_addr(ha), mac_obj, true,
12636                                        BNX2X_UC_LIST_MAC, &ramrod_flags);
12637                 if (rc == -EEXIST) {
12638                         DP(BNX2X_MSG_SP,
12639                            "Failed to schedule ADD operations: %d\n", rc);
12640                         /* do not treat adding same MAC as error */
12641                         rc = 0;
12642
12643                 } else if (rc < 0) {
12644
12645                         BNX2X_ERR("Failed to schedule ADD operations: %d\n",
12646                                   rc);
12647                         return rc;
12648                 }
12649         }
12650
12651         /* Execute the pending commands */
12652         __set_bit(RAMROD_CONT, &ramrod_flags);
12653         return bnx2x_set_mac_one(bp, NULL, mac_obj, false /* don't care */,
12654                                  BNX2X_UC_LIST_MAC, &ramrod_flags);
12655 }
12656
12657 static int bnx2x_set_mc_list(struct bnx2x *bp)
12658 {
12659         struct net_device *dev = bp->dev;
12660         struct bnx2x_mcast_ramrod_params rparam = {NULL};
12661         int rc = 0;
12662
12663         rparam.mcast_obj = &bp->mcast_obj;
12664
12665         /* first, clear all configured multicast MACs */
12666         rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_DEL);
12667         if (rc < 0) {
12668                 BNX2X_ERR("Failed to clear multicast configuration: %d\n", rc);
12669                 return rc;
12670         }
12671
12672         /* then, configure a new MACs list */
12673         if (netdev_mc_count(dev)) {
12674                 rc = bnx2x_init_mcast_macs_list(bp, &rparam);
12675                 if (rc) {
12676                         BNX2X_ERR("Failed to create multicast MACs list: %d\n",
12677                                   rc);
12678                         return rc;
12679                 }
12680
12681                 /* Now add the new MACs */
12682                 rc = bnx2x_config_mcast(bp, &rparam,
12683                                         BNX2X_MCAST_CMD_ADD);
12684                 if (rc < 0)
12685                         BNX2X_ERR("Failed to set a new multicast configuration: %d\n",
12686                                   rc);
12687
12688                 bnx2x_free_mcast_macs_list(&rparam);
12689         }
12690
12691         return rc;
12692 }
12693
12694 /* If bp->state is OPEN, should be called with netif_addr_lock_bh() */
12695 static void bnx2x_set_rx_mode(struct net_device *dev)
12696 {
12697         struct bnx2x *bp = netdev_priv(dev);
12698
12699         if (bp->state != BNX2X_STATE_OPEN) {
12700                 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
12701                 return;
12702         } else {
12703                 /* Schedule an SP task to handle rest of change */
12704                 bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_RX_MODE,
12705                                        NETIF_MSG_IFUP);
12706         }
12707 }
12708
12709 void bnx2x_set_rx_mode_inner(struct bnx2x *bp)
12710 {
12711         u32 rx_mode = BNX2X_RX_MODE_NORMAL;
12712
12713         DP(NETIF_MSG_IFUP, "dev->flags = %x\n", bp->dev->flags);
12714
12715         netif_addr_lock_bh(bp->dev);
12716
12717         if (bp->dev->flags & IFF_PROMISC) {
12718                 rx_mode = BNX2X_RX_MODE_PROMISC;
12719         } else if ((bp->dev->flags & IFF_ALLMULTI) ||
12720                    ((netdev_mc_count(bp->dev) > BNX2X_MAX_MULTICAST) &&
12721                     CHIP_IS_E1(bp))) {
12722                 rx_mode = BNX2X_RX_MODE_ALLMULTI;
12723         } else {
12724                 if (IS_PF(bp)) {
12725                         /* some multicasts */
12726                         if (bnx2x_set_mc_list(bp) < 0)
12727                                 rx_mode = BNX2X_RX_MODE_ALLMULTI;
12728
12729                         /* release bh lock, as bnx2x_set_uc_list might sleep */
12730                         netif_addr_unlock_bh(bp->dev);
12731                         if (bnx2x_set_uc_list(bp) < 0)
12732                                 rx_mode = BNX2X_RX_MODE_PROMISC;
12733                         netif_addr_lock_bh(bp->dev);
12734                 } else {
12735                         /* configuring mcast to a vf involves sleeping (when we
12736                          * wait for the pf's response).
12737                          */
12738                         bnx2x_schedule_sp_rtnl(bp,
12739                                                BNX2X_SP_RTNL_VFPF_MCAST, 0);
12740                 }
12741         }
12742
12743         bp->rx_mode = rx_mode;
12744         /* handle ISCSI SD mode */
12745         if (IS_MF_ISCSI_ONLY(bp))
12746                 bp->rx_mode = BNX2X_RX_MODE_NONE;
12747
12748         /* Schedule the rx_mode command */
12749         if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state)) {
12750                 set_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state);
12751                 netif_addr_unlock_bh(bp->dev);
12752                 return;
12753         }
12754
12755         if (IS_PF(bp)) {
12756                 bnx2x_set_storm_rx_mode(bp);
12757                 netif_addr_unlock_bh(bp->dev);
12758         } else {
12759                 /* VF will need to request the PF to make this change, and so
12760                  * the VF needs to release the bottom-half lock prior to the
12761                  * request (as it will likely require sleep on the VF side)
12762                  */
12763                 netif_addr_unlock_bh(bp->dev);
12764                 bnx2x_vfpf_storm_rx_mode(bp);
12765         }
12766 }
12767
12768 /* called with rtnl_lock */
12769 static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
12770                            int devad, u16 addr)
12771 {
12772         struct bnx2x *bp = netdev_priv(netdev);
12773         u16 value;
12774         int rc;
12775
12776         DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
12777            prtad, devad, addr);
12778
12779         /* The HW expects different devad if CL22 is used */
12780         devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
12781
12782         bnx2x_acquire_phy_lock(bp);
12783         rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
12784         bnx2x_release_phy_lock(bp);
12785         DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
12786
12787         if (!rc)
12788                 rc = value;
12789         return rc;
12790 }
12791
12792 /* called with rtnl_lock */
12793 static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
12794                             u16 addr, u16 value)
12795 {
12796         struct bnx2x *bp = netdev_priv(netdev);
12797         int rc;
12798
12799         DP(NETIF_MSG_LINK,
12800            "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x, value 0x%x\n",
12801            prtad, devad, addr, value);
12802
12803         /* The HW expects different devad if CL22 is used */
12804         devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
12805
12806         bnx2x_acquire_phy_lock(bp);
12807         rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
12808         bnx2x_release_phy_lock(bp);
12809         return rc;
12810 }
12811
12812 /* called with rtnl_lock */
12813 static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
12814 {
12815         struct bnx2x *bp = netdev_priv(dev);
12816         struct mii_ioctl_data *mdio = if_mii(ifr);
12817
12818         if (!netif_running(dev))
12819                 return -EAGAIN;
12820
12821         switch (cmd) {
12822         case SIOCSHWTSTAMP:
12823                 return bnx2x_hwtstamp_ioctl(bp, ifr);
12824         default:
12825                 DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
12826                    mdio->phy_id, mdio->reg_num, mdio->val_in);
12827                 return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
12828         }
12829 }
12830
12831 #ifdef CONFIG_NET_POLL_CONTROLLER
12832 static void poll_bnx2x(struct net_device *dev)
12833 {
12834         struct bnx2x *bp = netdev_priv(dev);
12835         int i;
12836
12837         for_each_eth_queue(bp, i) {
12838                 struct bnx2x_fastpath *fp = &bp->fp[i];
12839                 napi_schedule(&bnx2x_fp(bp, fp->index, napi));
12840         }
12841 }
12842 #endif
12843
12844 static int bnx2x_validate_addr(struct net_device *dev)
12845 {
12846         struct bnx2x *bp = netdev_priv(dev);
12847
12848         /* query the bulletin board for mac address configured by the PF */
12849         if (IS_VF(bp))
12850                 bnx2x_sample_bulletin(bp);
12851
12852         if (!is_valid_ether_addr(dev->dev_addr)) {
12853                 BNX2X_ERR("Non-valid Ethernet address\n");
12854                 return -EADDRNOTAVAIL;
12855         }
12856         return 0;
12857 }
12858
12859 static int bnx2x_get_phys_port_id(struct net_device *netdev,
12860                                   struct netdev_phys_item_id *ppid)
12861 {
12862         struct bnx2x *bp = netdev_priv(netdev);
12863
12864         if (!(bp->flags & HAS_PHYS_PORT_ID))
12865                 return -EOPNOTSUPP;
12866
12867         ppid->id_len = sizeof(bp->phys_port_id);
12868         memcpy(ppid->id, bp->phys_port_id, ppid->id_len);
12869
12870         return 0;
12871 }
12872
12873 static netdev_features_t bnx2x_features_check(struct sk_buff *skb,
12874                                               struct net_device *dev,
12875                                               netdev_features_t features)
12876 {
12877         features = vlan_features_check(skb, features);
12878         return vxlan_features_check(skb, features);
12879 }
12880
12881 static int __bnx2x_vlan_configure_vid(struct bnx2x *bp, u16 vid, bool add)
12882 {
12883         int rc;
12884
12885         if (IS_PF(bp)) {
12886                 unsigned long ramrod_flags = 0;
12887
12888                 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
12889                 rc = bnx2x_set_vlan_one(bp, vid, &bp->sp_objs->vlan_obj,
12890                                         add, &ramrod_flags);
12891         } else {
12892                 rc = bnx2x_vfpf_update_vlan(bp, vid, bp->fp->index, add);
12893         }
12894
12895         return rc;
12896 }
12897
12898 int bnx2x_vlan_reconfigure_vid(struct bnx2x *bp)
12899 {
12900         struct bnx2x_vlan_entry *vlan;
12901         int rc = 0;
12902
12903         if (!bp->vlan_cnt) {
12904                 DP(NETIF_MSG_IFUP, "No need to re-configure vlan filters\n");
12905                 return 0;
12906         }
12907
12908         list_for_each_entry(vlan, &bp->vlan_reg, link) {
12909                 /* Prepare for cleanup in case of errors */
12910                 if (rc) {
12911                         vlan->hw = false;
12912                         continue;
12913                 }
12914
12915                 if (!vlan->hw)
12916                         continue;
12917
12918                 DP(NETIF_MSG_IFUP, "Re-configuring vlan 0x%04x\n", vlan->vid);
12919
12920                 rc = __bnx2x_vlan_configure_vid(bp, vlan->vid, true);
12921                 if (rc) {
12922                         BNX2X_ERR("Unable to configure VLAN %d\n", vlan->vid);
12923                         vlan->hw = false;
12924                         rc = -EINVAL;
12925                         continue;
12926                 }
12927         }
12928
12929         return rc;
12930 }
12931
12932 static int bnx2x_vlan_rx_add_vid(struct net_device *dev, __be16 proto, u16 vid)
12933 {
12934         struct bnx2x *bp = netdev_priv(dev);
12935         struct bnx2x_vlan_entry *vlan;
12936         bool hw = false;
12937         int rc = 0;
12938
12939         if (!netif_running(bp->dev)) {
12940                 DP(NETIF_MSG_IFUP,
12941                    "Ignoring VLAN configuration the interface is down\n");
12942                 return -EFAULT;
12943         }
12944
12945         DP(NETIF_MSG_IFUP, "Adding VLAN %d\n", vid);
12946
12947         vlan = kmalloc(sizeof(*vlan), GFP_KERNEL);
12948         if (!vlan)
12949                 return -ENOMEM;
12950
12951         bp->vlan_cnt++;
12952         if (bp->vlan_cnt > bp->vlan_credit && !bp->accept_any_vlan) {
12953                 DP(NETIF_MSG_IFUP, "Accept all VLAN raised\n");
12954                 bp->accept_any_vlan = true;
12955                 if (IS_PF(bp))
12956                         bnx2x_set_rx_mode_inner(bp);
12957                 else
12958                         bnx2x_vfpf_storm_rx_mode(bp);
12959         } else if (bp->vlan_cnt <= bp->vlan_credit) {
12960                 rc = __bnx2x_vlan_configure_vid(bp, vid, true);
12961                 hw = true;
12962         }
12963
12964         vlan->vid = vid;
12965         vlan->hw = hw;
12966
12967         if (!rc) {
12968                 list_add(&vlan->link, &bp->vlan_reg);
12969         } else {
12970                 bp->vlan_cnt--;
12971                 kfree(vlan);
12972         }
12973
12974         DP(NETIF_MSG_IFUP, "Adding VLAN result %d\n", rc);
12975
12976         return rc;
12977 }
12978
12979 static int bnx2x_vlan_rx_kill_vid(struct net_device *dev, __be16 proto, u16 vid)
12980 {
12981         struct bnx2x *bp = netdev_priv(dev);
12982         struct bnx2x_vlan_entry *vlan;
12983         int rc = 0;
12984
12985         if (!netif_running(bp->dev)) {
12986                 DP(NETIF_MSG_IFUP,
12987                    "Ignoring VLAN configuration the interface is down\n");
12988                 return -EFAULT;
12989         }
12990
12991         DP(NETIF_MSG_IFUP, "Removing VLAN %d\n", vid);
12992
12993         if (!bp->vlan_cnt) {
12994                 BNX2X_ERR("Unable to kill VLAN %d\n", vid);
12995                 return -EINVAL;
12996         }
12997
12998         list_for_each_entry(vlan, &bp->vlan_reg, link)
12999                 if (vlan->vid == vid)
13000                         break;
13001
13002         if (vlan->vid != vid) {
13003                 BNX2X_ERR("Unable to kill VLAN %d - not found\n", vid);
13004                 return -EINVAL;
13005         }
13006
13007         if (vlan->hw)
13008                 rc = __bnx2x_vlan_configure_vid(bp, vid, false);
13009
13010         list_del(&vlan->link);
13011         kfree(vlan);
13012
13013         bp->vlan_cnt--;
13014
13015         if (bp->vlan_cnt <= bp->vlan_credit && bp->accept_any_vlan) {
13016                 /* Configure all non-configured entries */
13017                 list_for_each_entry(vlan, &bp->vlan_reg, link) {
13018                         if (vlan->hw)
13019                                 continue;
13020
13021                         rc = __bnx2x_vlan_configure_vid(bp, vlan->vid, true);
13022                         if (rc) {
13023                                 BNX2X_ERR("Unable to config VLAN %d\n",
13024                                           vlan->vid);
13025                                 continue;
13026                         }
13027                         DP(NETIF_MSG_IFUP, "HW configured for VLAN %d\n",
13028                            vlan->vid);
13029                         vlan->hw = true;
13030                 }
13031                 DP(NETIF_MSG_IFUP, "Accept all VLAN Removed\n");
13032                 bp->accept_any_vlan = false;
13033                 if (IS_PF(bp))
13034                         bnx2x_set_rx_mode_inner(bp);
13035                 else
13036                         bnx2x_vfpf_storm_rx_mode(bp);
13037         }
13038
13039         DP(NETIF_MSG_IFUP, "Removing VLAN result %d\n", rc);
13040
13041         return rc;
13042 }
13043
13044 static const struct net_device_ops bnx2x_netdev_ops = {
13045         .ndo_open               = bnx2x_open,
13046         .ndo_stop               = bnx2x_close,
13047         .ndo_start_xmit         = bnx2x_start_xmit,
13048         .ndo_select_queue       = bnx2x_select_queue,
13049         .ndo_set_rx_mode        = bnx2x_set_rx_mode,
13050         .ndo_set_mac_address    = bnx2x_change_mac_addr,
13051         .ndo_validate_addr      = bnx2x_validate_addr,
13052         .ndo_do_ioctl           = bnx2x_ioctl,
13053         .ndo_change_mtu         = bnx2x_change_mtu,
13054         .ndo_fix_features       = bnx2x_fix_features,
13055         .ndo_set_features       = bnx2x_set_features,
13056         .ndo_tx_timeout         = bnx2x_tx_timeout,
13057         .ndo_vlan_rx_add_vid    = bnx2x_vlan_rx_add_vid,
13058         .ndo_vlan_rx_kill_vid   = bnx2x_vlan_rx_kill_vid,
13059 #ifdef CONFIG_NET_POLL_CONTROLLER
13060         .ndo_poll_controller    = poll_bnx2x,
13061 #endif
13062         .ndo_setup_tc           = bnx2x_setup_tc,
13063 #ifdef CONFIG_BNX2X_SRIOV
13064         .ndo_set_vf_mac         = bnx2x_set_vf_mac,
13065         .ndo_set_vf_vlan        = bnx2x_set_vf_vlan,
13066         .ndo_get_vf_config      = bnx2x_get_vf_config,
13067 #endif
13068 #ifdef NETDEV_FCOE_WWNN
13069         .ndo_fcoe_get_wwn       = bnx2x_fcoe_get_wwn,
13070 #endif
13071
13072         .ndo_get_phys_port_id   = bnx2x_get_phys_port_id,
13073         .ndo_set_vf_link_state  = bnx2x_set_vf_link_state,
13074         .ndo_features_check     = bnx2x_features_check,
13075 #ifdef CONFIG_BNX2X_VXLAN
13076         .ndo_add_vxlan_port     = bnx2x_add_vxlan_port,
13077         .ndo_del_vxlan_port     = bnx2x_del_vxlan_port,
13078 #endif
13079 #if IS_ENABLED(CONFIG_GENEVE)
13080         .ndo_add_geneve_port    = bnx2x_add_geneve_port,
13081         .ndo_del_geneve_port    = bnx2x_del_geneve_port,
13082 #endif
13083 };
13084
13085 static int bnx2x_set_coherency_mask(struct bnx2x *bp)
13086 {
13087         struct device *dev = &bp->pdev->dev;
13088
13089         if (dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64)) != 0 &&
13090             dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32)) != 0) {
13091                 dev_err(dev, "System does not support DMA, aborting\n");
13092                 return -EIO;
13093         }
13094
13095         return 0;
13096 }
13097
13098 static void bnx2x_disable_pcie_error_reporting(struct bnx2x *bp)
13099 {
13100         if (bp->flags & AER_ENABLED) {
13101                 pci_disable_pcie_error_reporting(bp->pdev);
13102                 bp->flags &= ~AER_ENABLED;
13103         }
13104 }
13105
13106 static int bnx2x_init_dev(struct bnx2x *bp, struct pci_dev *pdev,
13107                           struct net_device *dev, unsigned long board_type)
13108 {
13109         int rc;
13110         u32 pci_cfg_dword;
13111         bool chip_is_e1x = (board_type == BCM57710 ||
13112                             board_type == BCM57711 ||
13113                             board_type == BCM57711E);
13114
13115         SET_NETDEV_DEV(dev, &pdev->dev);
13116
13117         bp->dev = dev;
13118         bp->pdev = pdev;
13119
13120         rc = pci_enable_device(pdev);
13121         if (rc) {
13122                 dev_err(&bp->pdev->dev,
13123                         "Cannot enable PCI device, aborting\n");
13124                 goto err_out;
13125         }
13126
13127         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
13128                 dev_err(&bp->pdev->dev,
13129                         "Cannot find PCI device base address, aborting\n");
13130                 rc = -ENODEV;
13131                 goto err_out_disable;
13132         }
13133
13134         if (IS_PF(bp) && !(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
13135                 dev_err(&bp->pdev->dev, "Cannot find second PCI device base address, aborting\n");
13136                 rc = -ENODEV;
13137                 goto err_out_disable;
13138         }
13139
13140         pci_read_config_dword(pdev, PCICFG_REVISION_ID_OFFSET, &pci_cfg_dword);
13141         if ((pci_cfg_dword & PCICFG_REVESION_ID_MASK) ==
13142             PCICFG_REVESION_ID_ERROR_VAL) {
13143                 pr_err("PCI device error, probably due to fan failure, aborting\n");
13144                 rc = -ENODEV;
13145                 goto err_out_disable;
13146         }
13147
13148         if (atomic_read(&pdev->enable_cnt) == 1) {
13149                 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
13150                 if (rc) {
13151                         dev_err(&bp->pdev->dev,
13152                                 "Cannot obtain PCI resources, aborting\n");
13153                         goto err_out_disable;
13154                 }
13155
13156                 pci_set_master(pdev);
13157                 pci_save_state(pdev);
13158         }
13159
13160         if (IS_PF(bp)) {
13161                 if (!pdev->pm_cap) {
13162                         dev_err(&bp->pdev->dev,
13163                                 "Cannot find power management capability, aborting\n");
13164                         rc = -EIO;
13165                         goto err_out_release;
13166                 }
13167         }
13168
13169         if (!pci_is_pcie(pdev)) {
13170                 dev_err(&bp->pdev->dev, "Not PCI Express, aborting\n");
13171                 rc = -EIO;
13172                 goto err_out_release;
13173         }
13174
13175         rc = bnx2x_set_coherency_mask(bp);
13176         if (rc)
13177                 goto err_out_release;
13178
13179         dev->mem_start = pci_resource_start(pdev, 0);
13180         dev->base_addr = dev->mem_start;
13181         dev->mem_end = pci_resource_end(pdev, 0);
13182
13183         dev->irq = pdev->irq;
13184
13185         bp->regview = pci_ioremap_bar(pdev, 0);
13186         if (!bp->regview) {
13187                 dev_err(&bp->pdev->dev,
13188                         "Cannot map register space, aborting\n");
13189                 rc = -ENOMEM;
13190                 goto err_out_release;
13191         }
13192
13193         /* In E1/E1H use pci device function given by kernel.
13194          * In E2/E3 read physical function from ME register since these chips
13195          * support Physical Device Assignment where kernel BDF maybe arbitrary
13196          * (depending on hypervisor).
13197          */
13198         if (chip_is_e1x) {
13199                 bp->pf_num = PCI_FUNC(pdev->devfn);
13200         } else {
13201                 /* chip is E2/3*/
13202                 pci_read_config_dword(bp->pdev,
13203                                       PCICFG_ME_REGISTER, &pci_cfg_dword);
13204                 bp->pf_num = (u8)((pci_cfg_dword & ME_REG_ABS_PF_NUM) >>
13205                                   ME_REG_ABS_PF_NUM_SHIFT);
13206         }
13207         BNX2X_DEV_INFO("me reg PF num: %d\n", bp->pf_num);
13208
13209         /* clean indirect addresses */
13210         pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
13211                                PCICFG_VENDOR_ID_OFFSET);
13212
13213         /* Set PCIe reset type to fundamental for EEH recovery */
13214         pdev->needs_freset = 1;
13215
13216         /* AER (Advanced Error reporting) configuration */
13217         rc = pci_enable_pcie_error_reporting(pdev);
13218         if (!rc)
13219                 bp->flags |= AER_ENABLED;
13220         else
13221                 BNX2X_DEV_INFO("Failed To configure PCIe AER [%d]\n", rc);
13222
13223         /*
13224          * Clean the following indirect addresses for all functions since it
13225          * is not used by the driver.
13226          */
13227         if (IS_PF(bp)) {
13228                 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0, 0);
13229                 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0, 0);
13230                 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0, 0);
13231                 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0, 0);
13232
13233                 if (chip_is_e1x) {
13234                         REG_WR(bp, PXP2_REG_PGL_ADDR_88_F1, 0);
13235                         REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F1, 0);
13236                         REG_WR(bp, PXP2_REG_PGL_ADDR_90_F1, 0);
13237                         REG_WR(bp, PXP2_REG_PGL_ADDR_94_F1, 0);
13238                 }
13239
13240                 /* Enable internal target-read (in case we are probed after PF
13241                  * FLR). Must be done prior to any BAR read access. Only for
13242                  * 57712 and up
13243                  */
13244                 if (!chip_is_e1x)
13245                         REG_WR(bp,
13246                                PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1);
13247         }
13248
13249         dev->watchdog_timeo = TX_TIMEOUT;
13250
13251         dev->netdev_ops = &bnx2x_netdev_ops;
13252         bnx2x_set_ethtool_ops(bp, dev);
13253
13254         dev->priv_flags |= IFF_UNICAST_FLT;
13255
13256         dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
13257                 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 |
13258                 NETIF_F_RXCSUM | NETIF_F_LRO | NETIF_F_GRO |
13259                 NETIF_F_RXHASH | NETIF_F_HW_VLAN_CTAG_TX;
13260         if (!chip_is_e1x) {
13261                 dev->hw_features |= NETIF_F_GSO_GRE | NETIF_F_GSO_UDP_TUNNEL |
13262                                     NETIF_F_GSO_IPIP | NETIF_F_GSO_SIT;
13263                 dev->hw_enc_features =
13264                         NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_SG |
13265                         NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 |
13266                         NETIF_F_GSO_IPIP |
13267                         NETIF_F_GSO_SIT |
13268                         NETIF_F_GSO_GRE | NETIF_F_GSO_UDP_TUNNEL;
13269         }
13270
13271         dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
13272                 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_HIGHDMA;
13273
13274         /* VF with OLD Hypervisor or old PF do not support filtering */
13275         if (IS_PF(bp)) {
13276                 if (chip_is_e1x)
13277                         bp->accept_any_vlan = true;
13278                 else
13279                         dev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER;
13280 #ifdef CONFIG_BNX2X_SRIOV
13281         } else if (bp->acquire_resp.pfdev_info.pf_cap & PFVF_CAP_VLAN_FILTER) {
13282                 dev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER;
13283 #endif
13284         }
13285
13286         dev->features |= dev->hw_features | NETIF_F_HW_VLAN_CTAG_RX;
13287         dev->features |= NETIF_F_HIGHDMA;
13288
13289         /* Add Loopback capability to the device */
13290         dev->hw_features |= NETIF_F_LOOPBACK;
13291
13292 #ifdef BCM_DCBNL
13293         dev->dcbnl_ops = &bnx2x_dcbnl_ops;
13294 #endif
13295
13296         /* get_port_hwinfo() will set prtad and mmds properly */
13297         bp->mdio.prtad = MDIO_PRTAD_NONE;
13298         bp->mdio.mmds = 0;
13299         bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
13300         bp->mdio.dev = dev;
13301         bp->mdio.mdio_read = bnx2x_mdio_read;
13302         bp->mdio.mdio_write = bnx2x_mdio_write;
13303
13304         return 0;
13305
13306 err_out_release:
13307         if (atomic_read(&pdev->enable_cnt) == 1)
13308                 pci_release_regions(pdev);
13309
13310 err_out_disable:
13311         pci_disable_device(pdev);
13312
13313 err_out:
13314         return rc;
13315 }
13316
13317 static int bnx2x_check_firmware(struct bnx2x *bp)
13318 {
13319         const struct firmware *firmware = bp->firmware;
13320         struct bnx2x_fw_file_hdr *fw_hdr;
13321         struct bnx2x_fw_file_section *sections;
13322         u32 offset, len, num_ops;
13323         __be16 *ops_offsets;
13324         int i;
13325         const u8 *fw_ver;
13326
13327         if (firmware->size < sizeof(struct bnx2x_fw_file_hdr)) {
13328                 BNX2X_ERR("Wrong FW size\n");
13329                 return -EINVAL;
13330         }
13331
13332         fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
13333         sections = (struct bnx2x_fw_file_section *)fw_hdr;
13334
13335         /* Make sure none of the offsets and sizes make us read beyond
13336          * the end of the firmware data */
13337         for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
13338                 offset = be32_to_cpu(sections[i].offset);
13339                 len = be32_to_cpu(sections[i].len);
13340                 if (offset + len > firmware->size) {
13341                         BNX2X_ERR("Section %d length is out of bounds\n", i);
13342                         return -EINVAL;
13343                 }
13344         }
13345
13346         /* Likewise for the init_ops offsets */
13347         offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
13348         ops_offsets = (__force __be16 *)(firmware->data + offset);
13349         num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);
13350
13351         for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
13352                 if (be16_to_cpu(ops_offsets[i]) > num_ops) {
13353                         BNX2X_ERR("Section offset %d is out of bounds\n", i);
13354                         return -EINVAL;
13355                 }
13356         }
13357
13358         /* Check FW version */
13359         offset = be32_to_cpu(fw_hdr->fw_version.offset);
13360         fw_ver = firmware->data + offset;
13361         if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
13362             (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
13363             (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
13364             (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
13365                 BNX2X_ERR("Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
13366                        fw_ver[0], fw_ver[1], fw_ver[2], fw_ver[3],
13367                        BCM_5710_FW_MAJOR_VERSION,
13368                        BCM_5710_FW_MINOR_VERSION,
13369                        BCM_5710_FW_REVISION_VERSION,
13370                        BCM_5710_FW_ENGINEERING_VERSION);
13371                 return -EINVAL;
13372         }
13373
13374         return 0;
13375 }
13376
13377 static void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
13378 {
13379         const __be32 *source = (const __be32 *)_source;
13380         u32 *target = (u32 *)_target;
13381         u32 i;
13382
13383         for (i = 0; i < n/4; i++)
13384                 target[i] = be32_to_cpu(source[i]);
13385 }
13386
13387 /*
13388    Ops array is stored in the following format:
13389    {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
13390  */
13391 static void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
13392 {
13393         const __be32 *source = (const __be32 *)_source;
13394         struct raw_op *target = (struct raw_op *)_target;
13395         u32 i, j, tmp;
13396
13397         for (i = 0, j = 0; i < n/8; i++, j += 2) {
13398                 tmp = be32_to_cpu(source[j]);
13399                 target[i].op = (tmp >> 24) & 0xff;
13400                 target[i].offset = tmp & 0xffffff;
13401                 target[i].raw_data = be32_to_cpu(source[j + 1]);
13402         }
13403 }
13404
13405 /* IRO array is stored in the following format:
13406  * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
13407  */
13408 static void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
13409 {
13410         const __be32 *source = (const __be32 *)_source;
13411         struct iro *target = (struct iro *)_target;
13412         u32 i, j, tmp;
13413
13414         for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
13415                 target[i].base = be32_to_cpu(source[j]);
13416                 j++;
13417                 tmp = be32_to_cpu(source[j]);
13418                 target[i].m1 = (tmp >> 16) & 0xffff;
13419                 target[i].m2 = tmp & 0xffff;
13420                 j++;
13421                 tmp = be32_to_cpu(source[j]);
13422                 target[i].m3 = (tmp >> 16) & 0xffff;
13423                 target[i].size = tmp & 0xffff;
13424                 j++;
13425         }
13426 }
13427
13428 static void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
13429 {
13430         const __be16 *source = (const __be16 *)_source;
13431         u16 *target = (u16 *)_target;
13432         u32 i;
13433
13434         for (i = 0; i < n/2; i++)
13435                 target[i] = be16_to_cpu(source[i]);
13436 }
13437
13438 #define BNX2X_ALLOC_AND_SET(arr, lbl, func)                             \
13439 do {                                                                    \
13440         u32 len = be32_to_cpu(fw_hdr->arr.len);                         \
13441         bp->arr = kmalloc(len, GFP_KERNEL);                             \
13442         if (!bp->arr)                                                   \
13443                 goto lbl;                                               \
13444         func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset),      \
13445              (u8 *)bp->arr, len);                                       \
13446 } while (0)
13447
13448 static int bnx2x_init_firmware(struct bnx2x *bp)
13449 {
13450         const char *fw_file_name;
13451         struct bnx2x_fw_file_hdr *fw_hdr;
13452         int rc;
13453
13454         if (bp->firmware)
13455                 return 0;
13456
13457         if (CHIP_IS_E1(bp))
13458                 fw_file_name = FW_FILE_NAME_E1;
13459         else if (CHIP_IS_E1H(bp))
13460                 fw_file_name = FW_FILE_NAME_E1H;
13461         else if (!CHIP_IS_E1x(bp))
13462                 fw_file_name = FW_FILE_NAME_E2;
13463         else {
13464                 BNX2X_ERR("Unsupported chip revision\n");
13465                 return -EINVAL;
13466         }
13467         BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
13468
13469         rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
13470         if (rc) {
13471                 BNX2X_ERR("Can't load firmware file %s\n",
13472                           fw_file_name);
13473                 goto request_firmware_exit;
13474         }
13475
13476         rc = bnx2x_check_firmware(bp);
13477         if (rc) {
13478                 BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
13479                 goto request_firmware_exit;
13480         }
13481
13482         fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
13483
13484         /* Initialize the pointers to the init arrays */
13485         /* Blob */
13486         BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
13487
13488         /* Opcodes */
13489         BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);
13490
13491         /* Offsets */
13492         BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
13493                             be16_to_cpu_n);
13494
13495         /* STORMs firmware */
13496         INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
13497                         be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
13498         INIT_TSEM_PRAM_DATA(bp)      = bp->firmware->data +
13499                         be32_to_cpu(fw_hdr->tsem_pram_data.offset);
13500         INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
13501                         be32_to_cpu(fw_hdr->usem_int_table_data.offset);
13502         INIT_USEM_PRAM_DATA(bp)      = bp->firmware->data +
13503                         be32_to_cpu(fw_hdr->usem_pram_data.offset);
13504         INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
13505                         be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
13506         INIT_XSEM_PRAM_DATA(bp)      = bp->firmware->data +
13507                         be32_to_cpu(fw_hdr->xsem_pram_data.offset);
13508         INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
13509                         be32_to_cpu(fw_hdr->csem_int_table_data.offset);
13510         INIT_CSEM_PRAM_DATA(bp)      = bp->firmware->data +
13511                         be32_to_cpu(fw_hdr->csem_pram_data.offset);
13512         /* IRO */
13513         BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
13514
13515         return 0;
13516
13517 iro_alloc_err:
13518         kfree(bp->init_ops_offsets);
13519 init_offsets_alloc_err:
13520         kfree(bp->init_ops);
13521 init_ops_alloc_err:
13522         kfree(bp->init_data);
13523 request_firmware_exit:
13524         release_firmware(bp->firmware);
13525         bp->firmware = NULL;
13526
13527         return rc;
13528 }
13529
13530 static void bnx2x_release_firmware(struct bnx2x *bp)
13531 {
13532         kfree(bp->init_ops_offsets);
13533         kfree(bp->init_ops);
13534         kfree(bp->init_data);
13535         release_firmware(bp->firmware);
13536         bp->firmware = NULL;
13537 }
13538
13539 static struct bnx2x_func_sp_drv_ops bnx2x_func_sp_drv = {
13540         .init_hw_cmn_chip = bnx2x_init_hw_common_chip,
13541         .init_hw_cmn      = bnx2x_init_hw_common,
13542         .init_hw_port     = bnx2x_init_hw_port,
13543         .init_hw_func     = bnx2x_init_hw_func,
13544
13545         .reset_hw_cmn     = bnx2x_reset_common,
13546         .reset_hw_port    = bnx2x_reset_port,
13547         .reset_hw_func    = bnx2x_reset_func,
13548
13549         .gunzip_init      = bnx2x_gunzip_init,
13550         .gunzip_end       = bnx2x_gunzip_end,
13551
13552         .init_fw          = bnx2x_init_firmware,
13553         .release_fw       = bnx2x_release_firmware,
13554 };
13555
13556 void bnx2x__init_func_obj(struct bnx2x *bp)
13557 {
13558         /* Prepare DMAE related driver resources */
13559         bnx2x_setup_dmae(bp);
13560
13561         bnx2x_init_func_obj(bp, &bp->func_obj,
13562                             bnx2x_sp(bp, func_rdata),
13563                             bnx2x_sp_mapping(bp, func_rdata),
13564                             bnx2x_sp(bp, func_afex_rdata),
13565                             bnx2x_sp_mapping(bp, func_afex_rdata),
13566                             &bnx2x_func_sp_drv);
13567 }
13568
13569 /* must be called after sriov-enable */
13570 static int bnx2x_set_qm_cid_count(struct bnx2x *bp)
13571 {
13572         int cid_count = BNX2X_L2_MAX_CID(bp);
13573
13574         if (IS_SRIOV(bp))
13575                 cid_count += BNX2X_VF_CIDS;
13576
13577         if (CNIC_SUPPORT(bp))
13578                 cid_count += CNIC_CID_MAX;
13579
13580         return roundup(cid_count, QM_CID_ROUND);
13581 }
13582
13583 /**
13584  * bnx2x_get_num_none_def_sbs - return the number of none default SBs
13585  *
13586  * @dev:        pci device
13587  *
13588  */
13589 static int bnx2x_get_num_non_def_sbs(struct pci_dev *pdev, int cnic_cnt)
13590 {
13591         int index;
13592         u16 control = 0;
13593
13594         /*
13595          * If MSI-X is not supported - return number of SBs needed to support
13596          * one fast path queue: one FP queue + SB for CNIC
13597          */
13598         if (!pdev->msix_cap) {
13599                 dev_info(&pdev->dev, "no msix capability found\n");
13600                 return 1 + cnic_cnt;
13601         }
13602         dev_info(&pdev->dev, "msix capability found\n");
13603
13604         /*
13605          * The value in the PCI configuration space is the index of the last
13606          * entry, namely one less than the actual size of the table, which is
13607          * exactly what we want to return from this function: number of all SBs
13608          * without the default SB.
13609          * For VFs there is no default SB, then we return (index+1).
13610          */
13611         pci_read_config_word(pdev, pdev->msix_cap + PCI_MSIX_FLAGS, &control);
13612
13613         index = control & PCI_MSIX_FLAGS_QSIZE;
13614
13615         return index;
13616 }
13617
13618 static int set_max_cos_est(int chip_id)
13619 {
13620         switch (chip_id) {
13621         case BCM57710:
13622         case BCM57711:
13623         case BCM57711E:
13624                 return BNX2X_MULTI_TX_COS_E1X;
13625         case BCM57712:
13626         case BCM57712_MF:
13627                 return BNX2X_MULTI_TX_COS_E2_E3A0;
13628         case BCM57800:
13629         case BCM57800_MF:
13630         case BCM57810:
13631         case BCM57810_MF:
13632         case BCM57840_4_10:
13633         case BCM57840_2_20:
13634         case BCM57840_O:
13635         case BCM57840_MFO:
13636         case BCM57840_MF:
13637         case BCM57811:
13638         case BCM57811_MF:
13639                 return BNX2X_MULTI_TX_COS_E3B0;
13640         case BCM57712_VF:
13641         case BCM57800_VF:
13642         case BCM57810_VF:
13643         case BCM57840_VF:
13644         case BCM57811_VF:
13645                 return 1;
13646         default:
13647                 pr_err("Unknown board_type (%d), aborting\n", chip_id);
13648                 return -ENODEV;
13649         }
13650 }
13651
13652 static int set_is_vf(int chip_id)
13653 {
13654         switch (chip_id) {
13655         case BCM57712_VF:
13656         case BCM57800_VF:
13657         case BCM57810_VF:
13658         case BCM57840_VF:
13659         case BCM57811_VF:
13660                 return true;
13661         default:
13662                 return false;
13663         }
13664 }
13665
13666 /* nig_tsgen registers relative address */
13667 #define tsgen_ctrl 0x0
13668 #define tsgen_freecount 0x10
13669 #define tsgen_synctime_t0 0x20
13670 #define tsgen_offset_t0 0x28
13671 #define tsgen_drift_t0 0x30
13672 #define tsgen_synctime_t1 0x58
13673 #define tsgen_offset_t1 0x60
13674 #define tsgen_drift_t1 0x68
13675
13676 /* FW workaround for setting drift */
13677 static int bnx2x_send_update_drift_ramrod(struct bnx2x *bp, int drift_dir,
13678                                           int best_val, int best_period)
13679 {
13680         struct bnx2x_func_state_params func_params = {NULL};
13681         struct bnx2x_func_set_timesync_params *set_timesync_params =
13682                 &func_params.params.set_timesync;
13683
13684         /* Prepare parameters for function state transitions */
13685         __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
13686         __set_bit(RAMROD_RETRY, &func_params.ramrod_flags);
13687
13688         func_params.f_obj = &bp->func_obj;
13689         func_params.cmd = BNX2X_F_CMD_SET_TIMESYNC;
13690
13691         /* Function parameters */
13692         set_timesync_params->drift_adjust_cmd = TS_DRIFT_ADJUST_SET;
13693         set_timesync_params->offset_cmd = TS_OFFSET_KEEP;
13694         set_timesync_params->add_sub_drift_adjust_value =
13695                 drift_dir ? TS_ADD_VALUE : TS_SUB_VALUE;
13696         set_timesync_params->drift_adjust_value = best_val;
13697         set_timesync_params->drift_adjust_period = best_period;
13698
13699         return bnx2x_func_state_change(bp, &func_params);
13700 }
13701
13702 static int bnx2x_ptp_adjfreq(struct ptp_clock_info *ptp, s32 ppb)
13703 {
13704         struct bnx2x *bp = container_of(ptp, struct bnx2x, ptp_clock_info);
13705         int rc;
13706         int drift_dir = 1;
13707         int val, period, period1, period2, dif, dif1, dif2;
13708         int best_dif = BNX2X_MAX_PHC_DRIFT, best_period = 0, best_val = 0;
13709
13710         DP(BNX2X_MSG_PTP, "PTP adjfreq called, ppb = %d\n", ppb);
13711
13712         if (!netif_running(bp->dev)) {
13713                 DP(BNX2X_MSG_PTP,
13714                    "PTP adjfreq called while the interface is down\n");
13715                 return -EFAULT;
13716         }
13717
13718         if (ppb < 0) {
13719                 ppb = -ppb;
13720                 drift_dir = 0;
13721         }
13722
13723         if (ppb == 0) {
13724                 best_val = 1;
13725                 best_period = 0x1FFFFFF;
13726         } else if (ppb >= BNX2X_MAX_PHC_DRIFT) {
13727                 best_val = 31;
13728                 best_period = 1;
13729         } else {
13730                 /* Changed not to allow val = 8, 16, 24 as these values
13731                  * are not supported in workaround.
13732                  */
13733                 for (val = 0; val <= 31; val++) {
13734                         if ((val & 0x7) == 0)
13735                                 continue;
13736                         period1 = val * 1000000 / ppb;
13737                         period2 = period1 + 1;
13738                         if (period1 != 0)
13739                                 dif1 = ppb - (val * 1000000 / period1);
13740                         else
13741                                 dif1 = BNX2X_MAX_PHC_DRIFT;
13742                         if (dif1 < 0)
13743                                 dif1 = -dif1;
13744                         dif2 = ppb - (val * 1000000 / period2);
13745                         if (dif2 < 0)
13746                                 dif2 = -dif2;
13747                         dif = (dif1 < dif2) ? dif1 : dif2;
13748                         period = (dif1 < dif2) ? period1 : period2;
13749                         if (dif < best_dif) {
13750                                 best_dif = dif;
13751                                 best_val = val;
13752                                 best_period = period;
13753                         }
13754                 }
13755         }
13756
13757         rc = bnx2x_send_update_drift_ramrod(bp, drift_dir, best_val,
13758                                             best_period);
13759         if (rc) {
13760                 BNX2X_ERR("Failed to set drift\n");
13761                 return -EFAULT;
13762         }
13763
13764         DP(BNX2X_MSG_PTP, "Configured val = %d, period = %d\n", best_val,
13765            best_period);
13766
13767         return 0;
13768 }
13769
13770 static int bnx2x_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta)
13771 {
13772         struct bnx2x *bp = container_of(ptp, struct bnx2x, ptp_clock_info);
13773
13774         DP(BNX2X_MSG_PTP, "PTP adjtime called, delta = %llx\n", delta);
13775
13776         timecounter_adjtime(&bp->timecounter, delta);
13777
13778         return 0;
13779 }
13780
13781 static int bnx2x_ptp_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts)
13782 {
13783         struct bnx2x *bp = container_of(ptp, struct bnx2x, ptp_clock_info);
13784         u64 ns;
13785
13786         ns = timecounter_read(&bp->timecounter);
13787
13788         DP(BNX2X_MSG_PTP, "PTP gettime called, ns = %llu\n", ns);
13789
13790         *ts = ns_to_timespec64(ns);
13791
13792         return 0;
13793 }
13794
13795 static int bnx2x_ptp_settime(struct ptp_clock_info *ptp,
13796                              const struct timespec64 *ts)
13797 {
13798         struct bnx2x *bp = container_of(ptp, struct bnx2x, ptp_clock_info);
13799         u64 ns;
13800
13801         ns = timespec64_to_ns(ts);
13802
13803         DP(BNX2X_MSG_PTP, "PTP settime called, ns = %llu\n", ns);
13804
13805         /* Re-init the timecounter */
13806         timecounter_init(&bp->timecounter, &bp->cyclecounter, ns);
13807
13808         return 0;
13809 }
13810
13811 /* Enable (or disable) ancillary features of the phc subsystem */
13812 static int bnx2x_ptp_enable(struct ptp_clock_info *ptp,
13813                             struct ptp_clock_request *rq, int on)
13814 {
13815         struct bnx2x *bp = container_of(ptp, struct bnx2x, ptp_clock_info);
13816
13817         BNX2X_ERR("PHC ancillary features are not supported\n");
13818         return -ENOTSUPP;
13819 }
13820
13821 static void bnx2x_register_phc(struct bnx2x *bp)
13822 {
13823         /* Fill the ptp_clock_info struct and register PTP clock*/
13824         bp->ptp_clock_info.owner = THIS_MODULE;
13825         snprintf(bp->ptp_clock_info.name, 16, "%s", bp->dev->name);
13826         bp->ptp_clock_info.max_adj = BNX2X_MAX_PHC_DRIFT; /* In PPB */
13827         bp->ptp_clock_info.n_alarm = 0;
13828         bp->ptp_clock_info.n_ext_ts = 0;
13829         bp->ptp_clock_info.n_per_out = 0;
13830         bp->ptp_clock_info.pps = 0;
13831         bp->ptp_clock_info.adjfreq = bnx2x_ptp_adjfreq;
13832         bp->ptp_clock_info.adjtime = bnx2x_ptp_adjtime;
13833         bp->ptp_clock_info.gettime64 = bnx2x_ptp_gettime;
13834         bp->ptp_clock_info.settime64 = bnx2x_ptp_settime;
13835         bp->ptp_clock_info.enable = bnx2x_ptp_enable;
13836
13837         bp->ptp_clock = ptp_clock_register(&bp->ptp_clock_info, &bp->pdev->dev);
13838         if (IS_ERR(bp->ptp_clock)) {
13839                 bp->ptp_clock = NULL;
13840                 BNX2X_ERR("PTP clock registeration failed\n");
13841         }
13842 }
13843
13844 static int bnx2x_init_one(struct pci_dev *pdev,
13845                                     const struct pci_device_id *ent)
13846 {
13847         struct net_device *dev = NULL;
13848         struct bnx2x *bp;
13849         enum pcie_link_width pcie_width;
13850         enum pci_bus_speed pcie_speed;
13851         int rc, max_non_def_sbs;
13852         int rx_count, tx_count, rss_count, doorbell_size;
13853         int max_cos_est;
13854         bool is_vf;
13855         int cnic_cnt;
13856
13857         /* Management FW 'remembers' living interfaces. Allow it some time
13858          * to forget previously living interfaces, allowing a proper re-load.
13859          */
13860         if (is_kdump_kernel()) {
13861                 ktime_t now = ktime_get_boottime();
13862                 ktime_t fw_ready_time = ktime_set(5, 0);
13863
13864                 if (ktime_before(now, fw_ready_time))
13865                         msleep(ktime_ms_delta(fw_ready_time, now));
13866         }
13867
13868         /* An estimated maximum supported CoS number according to the chip
13869          * version.
13870          * We will try to roughly estimate the maximum number of CoSes this chip
13871          * may support in order to minimize the memory allocated for Tx
13872          * netdev_queue's. This number will be accurately calculated during the
13873          * initialization of bp->max_cos based on the chip versions AND chip
13874          * revision in the bnx2x_init_bp().
13875          */
13876         max_cos_est = set_max_cos_est(ent->driver_data);
13877         if (max_cos_est < 0)
13878                 return max_cos_est;
13879         is_vf = set_is_vf(ent->driver_data);
13880         cnic_cnt = is_vf ? 0 : 1;
13881
13882         max_non_def_sbs = bnx2x_get_num_non_def_sbs(pdev, cnic_cnt);
13883
13884         /* add another SB for VF as it has no default SB */
13885         max_non_def_sbs += is_vf ? 1 : 0;
13886
13887         /* Maximum number of RSS queues: one IGU SB goes to CNIC */
13888         rss_count = max_non_def_sbs - cnic_cnt;
13889
13890         if (rss_count < 1)
13891                 return -EINVAL;
13892
13893         /* Maximum number of netdev Rx queues: RSS + FCoE L2 */
13894         rx_count = rss_count + cnic_cnt;
13895
13896         /* Maximum number of netdev Tx queues:
13897          * Maximum TSS queues * Maximum supported number of CoS  + FCoE L2
13898          */
13899         tx_count = rss_count * max_cos_est + cnic_cnt;
13900
13901         /* dev zeroed in init_etherdev */
13902         dev = alloc_etherdev_mqs(sizeof(*bp), tx_count, rx_count);
13903         if (!dev)
13904                 return -ENOMEM;
13905
13906         bp = netdev_priv(dev);
13907
13908         bp->flags = 0;
13909         if (is_vf)
13910                 bp->flags |= IS_VF_FLAG;
13911
13912         bp->igu_sb_cnt = max_non_def_sbs;
13913         bp->igu_base_addr = IS_VF(bp) ? PXP_VF_ADDR_IGU_START : BAR_IGU_INTMEM;
13914         bp->msg_enable = debug;
13915         bp->cnic_support = cnic_cnt;
13916         bp->cnic_probe = bnx2x_cnic_probe;
13917
13918         pci_set_drvdata(pdev, dev);
13919
13920         rc = bnx2x_init_dev(bp, pdev, dev, ent->driver_data);
13921         if (rc < 0) {
13922                 free_netdev(dev);
13923                 return rc;
13924         }
13925
13926         BNX2X_DEV_INFO("This is a %s function\n",
13927                        IS_PF(bp) ? "physical" : "virtual");
13928         BNX2X_DEV_INFO("Cnic support is %s\n", CNIC_SUPPORT(bp) ? "on" : "off");
13929         BNX2X_DEV_INFO("Max num of status blocks %d\n", max_non_def_sbs);
13930         BNX2X_DEV_INFO("Allocated netdev with %d tx and %d rx queues\n",
13931                        tx_count, rx_count);
13932
13933         rc = bnx2x_init_bp(bp);
13934         if (rc)
13935                 goto init_one_exit;
13936
13937         /* Map doorbells here as we need the real value of bp->max_cos which
13938          * is initialized in bnx2x_init_bp() to determine the number of
13939          * l2 connections.
13940          */
13941         if (IS_VF(bp)) {
13942                 bp->doorbells = bnx2x_vf_doorbells(bp);
13943                 rc = bnx2x_vf_pci_alloc(bp);
13944                 if (rc)
13945                         goto init_one_exit;
13946         } else {
13947                 doorbell_size = BNX2X_L2_MAX_CID(bp) * (1 << BNX2X_DB_SHIFT);
13948                 if (doorbell_size > pci_resource_len(pdev, 2)) {
13949                         dev_err(&bp->pdev->dev,
13950                                 "Cannot map doorbells, bar size too small, aborting\n");
13951                         rc = -ENOMEM;
13952                         goto init_one_exit;
13953                 }
13954                 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
13955                                                 doorbell_size);
13956         }
13957         if (!bp->doorbells) {
13958                 dev_err(&bp->pdev->dev,
13959                         "Cannot map doorbell space, aborting\n");
13960                 rc = -ENOMEM;
13961                 goto init_one_exit;
13962         }
13963
13964         if (IS_VF(bp)) {
13965                 rc = bnx2x_vfpf_acquire(bp, tx_count, rx_count);
13966                 if (rc)
13967                         goto init_one_exit;
13968         }
13969
13970         /* Enable SRIOV if capability found in configuration space */
13971         rc = bnx2x_iov_init_one(bp, int_mode, BNX2X_MAX_NUM_OF_VFS);
13972         if (rc)
13973                 goto init_one_exit;
13974
13975         /* calc qm_cid_count */
13976         bp->qm_cid_count = bnx2x_set_qm_cid_count(bp);
13977         BNX2X_DEV_INFO("qm_cid_count %d\n", bp->qm_cid_count);
13978
13979         /* disable FCOE L2 queue for E1x*/
13980         if (CHIP_IS_E1x(bp))
13981                 bp->flags |= NO_FCOE_FLAG;
13982
13983         /* Set bp->num_queues for MSI-X mode*/
13984         bnx2x_set_num_queues(bp);
13985
13986         /* Configure interrupt mode: try to enable MSI-X/MSI if
13987          * needed.
13988          */
13989         rc = bnx2x_set_int_mode(bp);
13990         if (rc) {
13991                 dev_err(&pdev->dev, "Cannot set interrupts\n");
13992                 goto init_one_exit;
13993         }
13994         BNX2X_DEV_INFO("set interrupts successfully\n");
13995
13996         /* register the net device */
13997         rc = register_netdev(dev);
13998         if (rc) {
13999                 dev_err(&pdev->dev, "Cannot register net device\n");
14000                 goto init_one_exit;
14001         }
14002         BNX2X_DEV_INFO("device name after netdev register %s\n", dev->name);
14003
14004         if (!NO_FCOE(bp)) {
14005                 /* Add storage MAC address */
14006                 rtnl_lock();
14007                 dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
14008                 rtnl_unlock();
14009         }
14010         if (pcie_get_minimum_link(bp->pdev, &pcie_speed, &pcie_width) ||
14011             pcie_speed == PCI_SPEED_UNKNOWN ||
14012             pcie_width == PCIE_LNK_WIDTH_UNKNOWN)
14013                 BNX2X_DEV_INFO("Failed to determine PCI Express Bandwidth\n");
14014         else
14015                 BNX2X_DEV_INFO(
14016                        "%s (%c%d) PCI-E x%d %s found at mem %lx, IRQ %d, node addr %pM\n",
14017                        board_info[ent->driver_data].name,
14018                        (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
14019                        pcie_width,
14020                        pcie_speed == PCIE_SPEED_2_5GT ? "2.5GHz" :
14021                        pcie_speed == PCIE_SPEED_5_0GT ? "5.0GHz" :
14022                        pcie_speed == PCIE_SPEED_8_0GT ? "8.0GHz" :
14023                        "Unknown",
14024                        dev->base_addr, bp->pdev->irq, dev->dev_addr);
14025
14026         bnx2x_register_phc(bp);
14027
14028         if (!IS_MF_SD_STORAGE_PERSONALITY_ONLY(bp))
14029                 bnx2x_set_os_driver_state(bp, OS_DRIVER_STATE_DISABLED);
14030
14031         return 0;
14032
14033 init_one_exit:
14034         bnx2x_disable_pcie_error_reporting(bp);
14035
14036         if (bp->regview)
14037                 iounmap(bp->regview);
14038
14039         if (IS_PF(bp) && bp->doorbells)
14040                 iounmap(bp->doorbells);
14041
14042         free_netdev(dev);
14043
14044         if (atomic_read(&pdev->enable_cnt) == 1)
14045                 pci_release_regions(pdev);
14046
14047         pci_disable_device(pdev);
14048
14049         return rc;
14050 }
14051
14052 static void __bnx2x_remove(struct pci_dev *pdev,
14053                            struct net_device *dev,
14054                            struct bnx2x *bp,
14055                            bool remove_netdev)
14056 {
14057         if (bp->ptp_clock) {
14058                 ptp_clock_unregister(bp->ptp_clock);
14059                 bp->ptp_clock = NULL;
14060         }
14061
14062         /* Delete storage MAC address */
14063         if (!NO_FCOE(bp)) {
14064                 rtnl_lock();
14065                 dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
14066                 rtnl_unlock();
14067         }
14068
14069 #ifdef BCM_DCBNL
14070         /* Delete app tlvs from dcbnl */
14071         bnx2x_dcbnl_update_applist(bp, true);
14072 #endif
14073
14074         if (IS_PF(bp) &&
14075             !BP_NOMCP(bp) &&
14076             (bp->flags & BC_SUPPORTS_RMMOD_CMD))
14077                 bnx2x_fw_command(bp, DRV_MSG_CODE_RMMOD, 0);
14078
14079         /* Close the interface - either directly or implicitly */
14080         if (remove_netdev) {
14081                 unregister_netdev(dev);
14082         } else {
14083                 rtnl_lock();
14084                 dev_close(dev);
14085                 rtnl_unlock();
14086         }
14087
14088         bnx2x_iov_remove_one(bp);
14089
14090         /* Power on: we can't let PCI layer write to us while we are in D3 */
14091         if (IS_PF(bp)) {
14092                 bnx2x_set_power_state(bp, PCI_D0);
14093                 bnx2x_set_os_driver_state(bp, OS_DRIVER_STATE_NOT_LOADED);
14094
14095                 /* Set endianity registers to reset values in case next driver
14096                  * boots in different endianty environment.
14097                  */
14098                 bnx2x_reset_endianity(bp);
14099         }
14100
14101         /* Disable MSI/MSI-X */
14102         bnx2x_disable_msi(bp);
14103
14104         /* Power off */
14105         if (IS_PF(bp))
14106                 bnx2x_set_power_state(bp, PCI_D3hot);
14107
14108         /* Make sure RESET task is not scheduled before continuing */
14109         cancel_delayed_work_sync(&bp->sp_rtnl_task);
14110
14111         /* send message via vfpf channel to release the resources of this vf */
14112         if (IS_VF(bp))
14113                 bnx2x_vfpf_release(bp);
14114
14115         /* Assumes no further PCIe PM changes will occur */
14116         if (system_state == SYSTEM_POWER_OFF) {
14117                 pci_wake_from_d3(pdev, bp->wol);
14118                 pci_set_power_state(pdev, PCI_D3hot);
14119         }
14120
14121         bnx2x_disable_pcie_error_reporting(bp);
14122         if (remove_netdev) {
14123                 if (bp->regview)
14124                         iounmap(bp->regview);
14125
14126                 /* For vfs, doorbells are part of the regview and were unmapped
14127                  * along with it. FW is only loaded by PF.
14128                  */
14129                 if (IS_PF(bp)) {
14130                         if (bp->doorbells)
14131                                 iounmap(bp->doorbells);
14132
14133                         bnx2x_release_firmware(bp);
14134                 } else {
14135                         bnx2x_vf_pci_dealloc(bp);
14136                 }
14137                 bnx2x_free_mem_bp(bp);
14138
14139                 free_netdev(dev);
14140
14141                 if (atomic_read(&pdev->enable_cnt) == 1)
14142                         pci_release_regions(pdev);
14143
14144                 pci_disable_device(pdev);
14145         }
14146 }
14147
14148 static void bnx2x_remove_one(struct pci_dev *pdev)
14149 {
14150         struct net_device *dev = pci_get_drvdata(pdev);
14151         struct bnx2x *bp;
14152
14153         if (!dev) {
14154                 dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
14155                 return;
14156         }
14157         bp = netdev_priv(dev);
14158
14159         __bnx2x_remove(pdev, dev, bp, true);
14160 }
14161
14162 static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
14163 {
14164         bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT;
14165
14166         bp->rx_mode = BNX2X_RX_MODE_NONE;
14167
14168         if (CNIC_LOADED(bp))
14169                 bnx2x_cnic_notify(bp, CNIC_CTL_STOP_CMD);
14170
14171         /* Stop Tx */
14172         bnx2x_tx_disable(bp);
14173         /* Delete all NAPI objects */
14174         bnx2x_del_all_napi(bp);
14175         if (CNIC_LOADED(bp))
14176                 bnx2x_del_all_napi_cnic(bp);
14177         netdev_reset_tc(bp->dev);
14178
14179         del_timer_sync(&bp->timer);
14180         cancel_delayed_work_sync(&bp->sp_task);
14181         cancel_delayed_work_sync(&bp->period_task);
14182
14183         if (!down_timeout(&bp->stats_lock, HZ / 10)) {
14184                 bp->stats_state = STATS_STATE_DISABLED;
14185                 up(&bp->stats_lock);
14186         }
14187
14188         bnx2x_save_statistics(bp);
14189
14190         netif_carrier_off(bp->dev);
14191
14192         return 0;
14193 }
14194
14195 /**
14196  * bnx2x_io_error_detected - called when PCI error is detected
14197  * @pdev: Pointer to PCI device
14198  * @state: The current pci connection state
14199  *
14200  * This function is called after a PCI bus error affecting
14201  * this device has been detected.
14202  */
14203 static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
14204                                                 pci_channel_state_t state)
14205 {
14206         struct net_device *dev = pci_get_drvdata(pdev);
14207         struct bnx2x *bp = netdev_priv(dev);
14208
14209         rtnl_lock();
14210
14211         BNX2X_ERR("IO error detected\n");
14212
14213         netif_device_detach(dev);
14214
14215         if (state == pci_channel_io_perm_failure) {
14216                 rtnl_unlock();
14217                 return PCI_ERS_RESULT_DISCONNECT;
14218         }
14219
14220         if (netif_running(dev))
14221                 bnx2x_eeh_nic_unload(bp);
14222
14223         bnx2x_prev_path_mark_eeh(bp);
14224
14225         pci_disable_device(pdev);
14226
14227         rtnl_unlock();
14228
14229         /* Request a slot reset */
14230         return PCI_ERS_RESULT_NEED_RESET;
14231 }
14232
14233 /**
14234  * bnx2x_io_slot_reset - called after the PCI bus has been reset
14235  * @pdev: Pointer to PCI device
14236  *
14237  * Restart the card from scratch, as if from a cold-boot.
14238  */
14239 static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
14240 {
14241         struct net_device *dev = pci_get_drvdata(pdev);
14242         struct bnx2x *bp = netdev_priv(dev);
14243         int i;
14244
14245         rtnl_lock();
14246         BNX2X_ERR("IO slot reset initializing...\n");
14247         if (pci_enable_device(pdev)) {
14248                 dev_err(&pdev->dev,
14249                         "Cannot re-enable PCI device after reset\n");
14250                 rtnl_unlock();
14251                 return PCI_ERS_RESULT_DISCONNECT;
14252         }
14253
14254         pci_set_master(pdev);
14255         pci_restore_state(pdev);
14256         pci_save_state(pdev);
14257
14258         if (netif_running(dev))
14259                 bnx2x_set_power_state(bp, PCI_D0);
14260
14261         if (netif_running(dev)) {
14262                 BNX2X_ERR("IO slot reset --> driver unload\n");
14263
14264                 /* MCP should have been reset; Need to wait for validity */
14265                 bnx2x_init_shmem(bp);
14266
14267                 if (IS_PF(bp) && SHMEM2_HAS(bp, drv_capabilities_flag)) {
14268                         u32 v;
14269
14270                         v = SHMEM2_RD(bp,
14271                                       drv_capabilities_flag[BP_FW_MB_IDX(bp)]);
14272                         SHMEM2_WR(bp, drv_capabilities_flag[BP_FW_MB_IDX(bp)],
14273                                   v & ~DRV_FLAGS_CAPABILITIES_LOADED_L2);
14274                 }
14275                 bnx2x_drain_tx_queues(bp);
14276                 bnx2x_send_unload_req(bp, UNLOAD_RECOVERY);
14277                 bnx2x_netif_stop(bp, 1);
14278                 bnx2x_free_irq(bp);
14279
14280                 /* Report UNLOAD_DONE to MCP */
14281                 bnx2x_send_unload_done(bp, true);
14282
14283                 bp->sp_state = 0;
14284                 bp->port.pmf = 0;
14285
14286                 bnx2x_prev_unload(bp);
14287
14288                 /* We should have reseted the engine, so It's fair to
14289                  * assume the FW will no longer write to the bnx2x driver.
14290                  */
14291                 bnx2x_squeeze_objects(bp);
14292                 bnx2x_free_skbs(bp);
14293                 for_each_rx_queue(bp, i)
14294                         bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
14295                 bnx2x_free_fp_mem(bp);
14296                 bnx2x_free_mem(bp);
14297
14298                 bp->state = BNX2X_STATE_CLOSED;
14299         }
14300
14301         rtnl_unlock();
14302
14303         /* If AER, perform cleanup of the PCIe registers */
14304         if (bp->flags & AER_ENABLED) {
14305                 if (pci_cleanup_aer_uncorrect_error_status(pdev))
14306                         BNX2X_ERR("pci_cleanup_aer_uncorrect_error_status failed\n");
14307                 else
14308                         DP(NETIF_MSG_HW, "pci_cleanup_aer_uncorrect_error_status succeeded\n");
14309         }
14310
14311         return PCI_ERS_RESULT_RECOVERED;
14312 }
14313
14314 /**
14315  * bnx2x_io_resume - called when traffic can start flowing again
14316  * @pdev: Pointer to PCI device
14317  *
14318  * This callback is called when the error recovery driver tells us that
14319  * its OK to resume normal operation.
14320  */
14321 static void bnx2x_io_resume(struct pci_dev *pdev)
14322 {
14323         struct net_device *dev = pci_get_drvdata(pdev);
14324         struct bnx2x *bp = netdev_priv(dev);
14325
14326         if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
14327                 netdev_err(bp->dev, "Handling parity error recovery. Try again later\n");
14328                 return;
14329         }
14330
14331         rtnl_lock();
14332
14333         bp->fw_seq = SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
14334                                                         DRV_MSG_SEQ_NUMBER_MASK;
14335
14336         if (netif_running(dev))
14337                 bnx2x_nic_load(bp, LOAD_NORMAL);
14338
14339         netif_device_attach(dev);
14340
14341         rtnl_unlock();
14342 }
14343
14344 static const struct pci_error_handlers bnx2x_err_handler = {
14345         .error_detected = bnx2x_io_error_detected,
14346         .slot_reset     = bnx2x_io_slot_reset,
14347         .resume         = bnx2x_io_resume,
14348 };
14349
14350 static void bnx2x_shutdown(struct pci_dev *pdev)
14351 {
14352         struct net_device *dev = pci_get_drvdata(pdev);
14353         struct bnx2x *bp;
14354
14355         if (!dev)
14356                 return;
14357
14358         bp = netdev_priv(dev);
14359         if (!bp)
14360                 return;
14361
14362         rtnl_lock();
14363         netif_device_detach(dev);
14364         rtnl_unlock();
14365
14366         /* Don't remove the netdevice, as there are scenarios which will cause
14367          * the kernel to hang, e.g., when trying to remove bnx2i while the
14368          * rootfs is mounted from SAN.
14369          */
14370         __bnx2x_remove(pdev, dev, bp, false);
14371 }
14372
14373 static struct pci_driver bnx2x_pci_driver = {
14374         .name        = DRV_MODULE_NAME,
14375         .id_table    = bnx2x_pci_tbl,
14376         .probe       = bnx2x_init_one,
14377         .remove      = bnx2x_remove_one,
14378         .suspend     = bnx2x_suspend,
14379         .resume      = bnx2x_resume,
14380         .err_handler = &bnx2x_err_handler,
14381 #ifdef CONFIG_BNX2X_SRIOV
14382         .sriov_configure = bnx2x_sriov_configure,
14383 #endif
14384         .shutdown    = bnx2x_shutdown,
14385 };
14386
14387 static int __init bnx2x_init(void)
14388 {
14389         int ret;
14390
14391         pr_info("%s", version);
14392
14393         bnx2x_wq = create_singlethread_workqueue("bnx2x");
14394         if (bnx2x_wq == NULL) {
14395                 pr_err("Cannot create workqueue\n");
14396                 return -ENOMEM;
14397         }
14398         bnx2x_iov_wq = create_singlethread_workqueue("bnx2x_iov");
14399         if (!bnx2x_iov_wq) {
14400                 pr_err("Cannot create iov workqueue\n");
14401                 destroy_workqueue(bnx2x_wq);
14402                 return -ENOMEM;
14403         }
14404
14405         ret = pci_register_driver(&bnx2x_pci_driver);
14406         if (ret) {
14407                 pr_err("Cannot register driver\n");
14408                 destroy_workqueue(bnx2x_wq);
14409                 destroy_workqueue(bnx2x_iov_wq);
14410         }
14411         return ret;
14412 }
14413
14414 static void __exit bnx2x_cleanup(void)
14415 {
14416         struct list_head *pos, *q;
14417
14418         pci_unregister_driver(&bnx2x_pci_driver);
14419
14420         destroy_workqueue(bnx2x_wq);
14421         destroy_workqueue(bnx2x_iov_wq);
14422
14423         /* Free globally allocated resources */
14424         list_for_each_safe(pos, q, &bnx2x_prev_list) {
14425                 struct bnx2x_prev_path_list *tmp =
14426                         list_entry(pos, struct bnx2x_prev_path_list, list);
14427                 list_del(pos);
14428                 kfree(tmp);
14429         }
14430 }
14431
14432 void bnx2x_notify_link_changed(struct bnx2x *bp)
14433 {
14434         REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + BP_FUNC(bp)*sizeof(u32), 1);
14435 }
14436
14437 module_init(bnx2x_init);
14438 module_exit(bnx2x_cleanup);
14439
14440 /**
14441  * bnx2x_set_iscsi_eth_mac_addr - set iSCSI MAC(s).
14442  *
14443  * @bp:         driver handle
14444  * @set:        set or clear the CAM entry
14445  *
14446  * This function will wait until the ramrod completion returns.
14447  * Return 0 if success, -ENODEV if ramrod doesn't return.
14448  */
14449 static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp)
14450 {
14451         unsigned long ramrod_flags = 0;
14452
14453         __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
14454         return bnx2x_set_mac_one(bp, bp->cnic_eth_dev.iscsi_mac,
14455                                  &bp->iscsi_l2_mac_obj, true,
14456                                  BNX2X_ISCSI_ETH_MAC, &ramrod_flags);
14457 }
14458
14459 /* count denotes the number of new completions we have seen */
14460 static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
14461 {
14462         struct eth_spe *spe;
14463         int cxt_index, cxt_offset;
14464
14465 #ifdef BNX2X_STOP_ON_ERROR
14466         if (unlikely(bp->panic))
14467                 return;
14468 #endif
14469
14470         spin_lock_bh(&bp->spq_lock);
14471         BUG_ON(bp->cnic_spq_pending < count);
14472         bp->cnic_spq_pending -= count;
14473
14474         for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
14475                 u16 type =  (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
14476                                 & SPE_HDR_CONN_TYPE) >>
14477                                 SPE_HDR_CONN_TYPE_SHIFT;
14478                 u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->hdr.conn_and_cmd_data)
14479                                 >> SPE_HDR_CMD_ID_SHIFT) & 0xff;
14480
14481                 /* Set validation for iSCSI L2 client before sending SETUP
14482                  *  ramrod
14483                  */
14484                 if (type == ETH_CONNECTION_TYPE) {
14485                         if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP) {
14486                                 cxt_index = BNX2X_ISCSI_ETH_CID(bp) /
14487                                         ILT_PAGE_CIDS;
14488                                 cxt_offset = BNX2X_ISCSI_ETH_CID(bp) -
14489                                         (cxt_index * ILT_PAGE_CIDS);
14490                                 bnx2x_set_ctx_validation(bp,
14491                                         &bp->context[cxt_index].
14492                                                          vcxt[cxt_offset].eth,
14493                                         BNX2X_ISCSI_ETH_CID(bp));
14494                         }
14495                 }
14496
14497                 /*
14498                  * There may be not more than 8 L2, not more than 8 L5 SPEs
14499                  * and in the air. We also check that number of outstanding
14500                  * COMMON ramrods is not more than the EQ and SPQ can
14501                  * accommodate.
14502                  */
14503                 if (type == ETH_CONNECTION_TYPE) {
14504                         if (!atomic_read(&bp->cq_spq_left))
14505                                 break;
14506                         else
14507                                 atomic_dec(&bp->cq_spq_left);
14508                 } else if (type == NONE_CONNECTION_TYPE) {
14509                         if (!atomic_read(&bp->eq_spq_left))
14510                                 break;
14511                         else
14512                                 atomic_dec(&bp->eq_spq_left);
14513                 } else if ((type == ISCSI_CONNECTION_TYPE) ||
14514                            (type == FCOE_CONNECTION_TYPE)) {
14515                         if (bp->cnic_spq_pending >=
14516                             bp->cnic_eth_dev.max_kwqe_pending)
14517                                 break;
14518                         else
14519                                 bp->cnic_spq_pending++;
14520                 } else {
14521                         BNX2X_ERR("Unknown SPE type: %d\n", type);
14522                         bnx2x_panic();
14523                         break;
14524                 }
14525
14526                 spe = bnx2x_sp_get_next(bp);
14527                 *spe = *bp->cnic_kwq_cons;
14528
14529                 DP(BNX2X_MSG_SP, "pending on SPQ %d, on KWQ %d count %d\n",
14530                    bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
14531
14532                 if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
14533                         bp->cnic_kwq_cons = bp->cnic_kwq;
14534                 else
14535                         bp->cnic_kwq_cons++;
14536         }
14537         bnx2x_sp_prod_update(bp);
14538         spin_unlock_bh(&bp->spq_lock);
14539 }
14540
14541 static int bnx2x_cnic_sp_queue(struct net_device *dev,
14542                                struct kwqe_16 *kwqes[], u32 count)
14543 {
14544         struct bnx2x *bp = netdev_priv(dev);
14545         int i;
14546
14547 #ifdef BNX2X_STOP_ON_ERROR
14548         if (unlikely(bp->panic)) {
14549                 BNX2X_ERR("Can't post to SP queue while panic\n");
14550                 return -EIO;
14551         }
14552 #endif
14553
14554         if ((bp->recovery_state != BNX2X_RECOVERY_DONE) &&
14555             (bp->recovery_state != BNX2X_RECOVERY_NIC_LOADING)) {
14556                 BNX2X_ERR("Handling parity error recovery. Try again later\n");
14557                 return -EAGAIN;
14558         }
14559
14560         spin_lock_bh(&bp->spq_lock);
14561
14562         for (i = 0; i < count; i++) {
14563                 struct eth_spe *spe = (struct eth_spe *)kwqes[i];
14564
14565                 if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
14566                         break;
14567
14568                 *bp->cnic_kwq_prod = *spe;
14569
14570                 bp->cnic_kwq_pending++;
14571
14572                 DP(BNX2X_MSG_SP, "L5 SPQE %x %x %x:%x pos %d\n",
14573                    spe->hdr.conn_and_cmd_data, spe->hdr.type,
14574                    spe->data.update_data_addr.hi,
14575                    spe->data.update_data_addr.lo,
14576                    bp->cnic_kwq_pending);
14577
14578                 if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
14579                         bp->cnic_kwq_prod = bp->cnic_kwq;
14580                 else
14581                         bp->cnic_kwq_prod++;
14582         }
14583
14584         spin_unlock_bh(&bp->spq_lock);
14585
14586         if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
14587                 bnx2x_cnic_sp_post(bp, 0);
14588
14589         return i;
14590 }
14591
14592 static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
14593 {
14594         struct cnic_ops *c_ops;
14595         int rc = 0;
14596
14597         mutex_lock(&bp->cnic_mutex);
14598         c_ops = rcu_dereference_protected(bp->cnic_ops,
14599                                           lockdep_is_held(&bp->cnic_mutex));
14600         if (c_ops)
14601                 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
14602         mutex_unlock(&bp->cnic_mutex);
14603
14604         return rc;
14605 }
14606
14607 static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
14608 {
14609         struct cnic_ops *c_ops;
14610         int rc = 0;
14611
14612         rcu_read_lock();
14613         c_ops = rcu_dereference(bp->cnic_ops);
14614         if (c_ops)
14615                 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
14616         rcu_read_unlock();
14617
14618         return rc;
14619 }
14620
14621 /*
14622  * for commands that have no data
14623  */
14624 int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
14625 {
14626         struct cnic_ctl_info ctl = {0};
14627
14628         ctl.cmd = cmd;
14629
14630         return bnx2x_cnic_ctl_send(bp, &ctl);
14631 }
14632
14633 static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid, u8 err)
14634 {
14635         struct cnic_ctl_info ctl = {0};
14636
14637         /* first we tell CNIC and only then we count this as a completion */
14638         ctl.cmd = CNIC_CTL_COMPLETION_CMD;
14639         ctl.data.comp.cid = cid;
14640         ctl.data.comp.error = err;
14641
14642         bnx2x_cnic_ctl_send_bh(bp, &ctl);
14643         bnx2x_cnic_sp_post(bp, 0);
14644 }
14645
14646 /* Called with netif_addr_lock_bh() taken.
14647  * Sets an rx_mode config for an iSCSI ETH client.
14648  * Doesn't block.
14649  * Completion should be checked outside.
14650  */
14651 static void bnx2x_set_iscsi_eth_rx_mode(struct bnx2x *bp, bool start)
14652 {
14653         unsigned long accept_flags = 0, ramrod_flags = 0;
14654         u8 cl_id = bnx2x_cnic_eth_cl_id(bp, BNX2X_ISCSI_ETH_CL_ID_IDX);
14655         int sched_state = BNX2X_FILTER_ISCSI_ETH_STOP_SCHED;
14656
14657         if (start) {
14658                 /* Start accepting on iSCSI L2 ring. Accept all multicasts
14659                  * because it's the only way for UIO Queue to accept
14660                  * multicasts (in non-promiscuous mode only one Queue per
14661                  * function will receive multicast packets (leading in our
14662                  * case).
14663                  */
14664                 __set_bit(BNX2X_ACCEPT_UNICAST, &accept_flags);
14665                 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &accept_flags);
14666                 __set_bit(BNX2X_ACCEPT_BROADCAST, &accept_flags);
14667                 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags);
14668
14669                 /* Clear STOP_PENDING bit if START is requested */
14670                 clear_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED, &bp->sp_state);
14671
14672                 sched_state = BNX2X_FILTER_ISCSI_ETH_START_SCHED;
14673         } else
14674                 /* Clear START_PENDING bit if STOP is requested */
14675                 clear_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED, &bp->sp_state);
14676
14677         if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state))
14678                 set_bit(sched_state, &bp->sp_state);
14679         else {
14680                 __set_bit(RAMROD_RX, &ramrod_flags);
14681                 bnx2x_set_q_rx_mode(bp, cl_id, 0, accept_flags, 0,
14682                                     ramrod_flags);
14683         }
14684 }
14685
14686 static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
14687 {
14688         struct bnx2x *bp = netdev_priv(dev);
14689         int rc = 0;
14690
14691         switch (ctl->cmd) {
14692         case DRV_CTL_CTXTBL_WR_CMD: {
14693                 u32 index = ctl->data.io.offset;
14694                 dma_addr_t addr = ctl->data.io.dma_addr;
14695
14696                 bnx2x_ilt_wr(bp, index, addr);
14697                 break;
14698         }
14699
14700         case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
14701                 int count = ctl->data.credit.credit_count;
14702
14703                 bnx2x_cnic_sp_post(bp, count);
14704                 break;
14705         }
14706
14707         /* rtnl_lock is held.  */
14708         case DRV_CTL_START_L2_CMD: {
14709                 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
14710                 unsigned long sp_bits = 0;
14711
14712                 /* Configure the iSCSI classification object */
14713                 bnx2x_init_mac_obj(bp, &bp->iscsi_l2_mac_obj,
14714                                    cp->iscsi_l2_client_id,
14715                                    cp->iscsi_l2_cid, BP_FUNC(bp),
14716                                    bnx2x_sp(bp, mac_rdata),
14717                                    bnx2x_sp_mapping(bp, mac_rdata),
14718                                    BNX2X_FILTER_MAC_PENDING,
14719                                    &bp->sp_state, BNX2X_OBJ_TYPE_RX,
14720                                    &bp->macs_pool);
14721
14722                 /* Set iSCSI MAC address */
14723                 rc = bnx2x_set_iscsi_eth_mac_addr(bp);
14724                 if (rc)
14725                         break;
14726
14727                 mmiowb();
14728                 barrier();
14729
14730                 /* Start accepting on iSCSI L2 ring */
14731
14732                 netif_addr_lock_bh(dev);
14733                 bnx2x_set_iscsi_eth_rx_mode(bp, true);
14734                 netif_addr_unlock_bh(dev);
14735
14736                 /* bits to wait on */
14737                 __set_bit(BNX2X_FILTER_RX_MODE_PENDING, &sp_bits);
14738                 __set_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED, &sp_bits);
14739
14740                 if (!bnx2x_wait_sp_comp(bp, sp_bits))
14741                         BNX2X_ERR("rx_mode completion timed out!\n");
14742
14743                 break;
14744         }
14745
14746         /* rtnl_lock is held.  */
14747         case DRV_CTL_STOP_L2_CMD: {
14748                 unsigned long sp_bits = 0;
14749
14750                 /* Stop accepting on iSCSI L2 ring */
14751                 netif_addr_lock_bh(dev);
14752                 bnx2x_set_iscsi_eth_rx_mode(bp, false);
14753                 netif_addr_unlock_bh(dev);
14754
14755                 /* bits to wait on */
14756                 __set_bit(BNX2X_FILTER_RX_MODE_PENDING, &sp_bits);
14757                 __set_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED, &sp_bits);
14758
14759                 if (!bnx2x_wait_sp_comp(bp, sp_bits))
14760                         BNX2X_ERR("rx_mode completion timed out!\n");
14761
14762                 mmiowb();
14763                 barrier();
14764
14765                 /* Unset iSCSI L2 MAC */
14766                 rc = bnx2x_del_all_macs(bp, &bp->iscsi_l2_mac_obj,
14767                                         BNX2X_ISCSI_ETH_MAC, true);
14768                 break;
14769         }
14770         case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
14771                 int count = ctl->data.credit.credit_count;
14772
14773                 smp_mb__before_atomic();
14774                 atomic_add(count, &bp->cq_spq_left);
14775                 smp_mb__after_atomic();
14776                 break;
14777         }
14778         case DRV_CTL_ULP_REGISTER_CMD: {
14779                 int ulp_type = ctl->data.register_data.ulp_type;
14780
14781                 if (CHIP_IS_E3(bp)) {
14782                         int idx = BP_FW_MB_IDX(bp);
14783                         u32 cap = SHMEM2_RD(bp, drv_capabilities_flag[idx]);
14784                         int path = BP_PATH(bp);
14785                         int port = BP_PORT(bp);
14786                         int i;
14787                         u32 scratch_offset;
14788                         u32 *host_addr;
14789
14790                         /* first write capability to shmem2 */
14791                         if (ulp_type == CNIC_ULP_ISCSI)
14792                                 cap |= DRV_FLAGS_CAPABILITIES_LOADED_ISCSI;
14793                         else if (ulp_type == CNIC_ULP_FCOE)
14794                                 cap |= DRV_FLAGS_CAPABILITIES_LOADED_FCOE;
14795                         SHMEM2_WR(bp, drv_capabilities_flag[idx], cap);
14796
14797                         if ((ulp_type != CNIC_ULP_FCOE) ||
14798                             (!SHMEM2_HAS(bp, ncsi_oem_data_addr)) ||
14799                             (!(bp->flags &  BC_SUPPORTS_FCOE_FEATURES)))
14800                                 break;
14801
14802                         /* if reached here - should write fcoe capabilities */
14803                         scratch_offset = SHMEM2_RD(bp, ncsi_oem_data_addr);
14804                         if (!scratch_offset)
14805                                 break;
14806                         scratch_offset += offsetof(struct glob_ncsi_oem_data,
14807                                                    fcoe_features[path][port]);
14808                         host_addr = (u32 *) &(ctl->data.register_data.
14809                                               fcoe_features);
14810                         for (i = 0; i < sizeof(struct fcoe_capabilities);
14811                              i += 4)
14812                                 REG_WR(bp, scratch_offset + i,
14813                                        *(host_addr + i/4));
14814                 }
14815                 bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_GET_DRV_VERSION, 0);
14816                 break;
14817         }
14818
14819         case DRV_CTL_ULP_UNREGISTER_CMD: {
14820                 int ulp_type = ctl->data.ulp_type;
14821
14822                 if (CHIP_IS_E3(bp)) {
14823                         int idx = BP_FW_MB_IDX(bp);
14824                         u32 cap;
14825
14826                         cap = SHMEM2_RD(bp, drv_capabilities_flag[idx]);
14827                         if (ulp_type == CNIC_ULP_ISCSI)
14828                                 cap &= ~DRV_FLAGS_CAPABILITIES_LOADED_ISCSI;
14829                         else if (ulp_type == CNIC_ULP_FCOE)
14830                                 cap &= ~DRV_FLAGS_CAPABILITIES_LOADED_FCOE;
14831                         SHMEM2_WR(bp, drv_capabilities_flag[idx], cap);
14832                 }
14833                 bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_GET_DRV_VERSION, 0);
14834                 break;
14835         }
14836
14837         default:
14838                 BNX2X_ERR("unknown command %x\n", ctl->cmd);
14839                 rc = -EINVAL;
14840         }
14841
14842         /* For storage-only interfaces, change driver state */
14843         if (IS_MF_SD_STORAGE_PERSONALITY_ONLY(bp)) {
14844                 switch (ctl->drv_state) {
14845                 case DRV_NOP:
14846                         break;
14847                 case DRV_ACTIVE:
14848                         bnx2x_set_os_driver_state(bp,
14849                                                   OS_DRIVER_STATE_ACTIVE);
14850                         break;
14851                 case DRV_INACTIVE:
14852                         bnx2x_set_os_driver_state(bp,
14853                                                   OS_DRIVER_STATE_DISABLED);
14854                         break;
14855                 case DRV_UNLOADED:
14856                         bnx2x_set_os_driver_state(bp,
14857                                                   OS_DRIVER_STATE_NOT_LOADED);
14858                         break;
14859                 default:
14860                 BNX2X_ERR("Unknown cnic driver state: %d\n", ctl->drv_state);
14861                 }
14862         }
14863
14864         return rc;
14865 }
14866
14867 static int bnx2x_get_fc_npiv(struct net_device *dev,
14868                              struct cnic_fc_npiv_tbl *cnic_tbl)
14869 {
14870         struct bnx2x *bp = netdev_priv(dev);
14871         struct bdn_fc_npiv_tbl *tbl = NULL;
14872         u32 offset, entries;
14873         int rc = -EINVAL;
14874         int i;
14875
14876         if (!SHMEM2_HAS(bp, fc_npiv_nvram_tbl_addr[0]))
14877                 goto out;
14878
14879         DP(BNX2X_MSG_MCP, "About to read the FC-NPIV table\n");
14880
14881         tbl = kmalloc(sizeof(*tbl), GFP_KERNEL);
14882         if (!tbl) {
14883                 BNX2X_ERR("Failed to allocate fc_npiv table\n");
14884                 goto out;
14885         }
14886
14887         offset = SHMEM2_RD(bp, fc_npiv_nvram_tbl_addr[BP_PORT(bp)]);
14888         DP(BNX2X_MSG_MCP, "Offset of FC-NPIV in NVRAM: %08x\n", offset);
14889
14890         /* Read the table contents from nvram */
14891         if (bnx2x_nvram_read(bp, offset, (u8 *)tbl, sizeof(*tbl))) {
14892                 BNX2X_ERR("Failed to read FC-NPIV table\n");
14893                 goto out;
14894         }
14895
14896         /* Since bnx2x_nvram_read() returns data in be32, we need to convert
14897          * the number of entries back to cpu endianness.
14898          */
14899         entries = tbl->fc_npiv_cfg.num_of_npiv;
14900         entries = (__force u32)be32_to_cpu((__force __be32)entries);
14901         tbl->fc_npiv_cfg.num_of_npiv = entries;
14902
14903         if (!tbl->fc_npiv_cfg.num_of_npiv) {
14904                 DP(BNX2X_MSG_MCP,
14905                    "No FC-NPIV table [valid, simply not present]\n");
14906                 goto out;
14907         } else if (tbl->fc_npiv_cfg.num_of_npiv > MAX_NUMBER_NPIV) {
14908                 BNX2X_ERR("FC-NPIV table with bad length 0x%08x\n",
14909                           tbl->fc_npiv_cfg.num_of_npiv);
14910                 goto out;
14911         } else {
14912                 DP(BNX2X_MSG_MCP, "Read 0x%08x entries from NVRAM\n",
14913                    tbl->fc_npiv_cfg.num_of_npiv);
14914         }
14915
14916         /* Copy the data into cnic-provided struct */
14917         cnic_tbl->count = tbl->fc_npiv_cfg.num_of_npiv;
14918         for (i = 0; i < cnic_tbl->count; i++) {
14919                 memcpy(cnic_tbl->wwpn[i], tbl->settings[i].npiv_wwpn, 8);
14920                 memcpy(cnic_tbl->wwnn[i], tbl->settings[i].npiv_wwnn, 8);
14921         }
14922
14923         rc = 0;
14924 out:
14925         kfree(tbl);
14926         return rc;
14927 }
14928
14929 void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
14930 {
14931         struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
14932
14933         if (bp->flags & USING_MSIX_FLAG) {
14934                 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
14935                 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
14936                 cp->irq_arr[0].vector = bp->msix_table[1].vector;
14937         } else {
14938                 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
14939                 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
14940         }
14941         if (!CHIP_IS_E1x(bp))
14942                 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
14943         else
14944                 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
14945
14946         cp->irq_arr[0].status_blk_num =  bnx2x_cnic_fw_sb_id(bp);
14947         cp->irq_arr[0].status_blk_num2 = bnx2x_cnic_igu_sb_id(bp);
14948         cp->irq_arr[1].status_blk = bp->def_status_blk;
14949         cp->irq_arr[1].status_blk_num = DEF_SB_ID;
14950         cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
14951
14952         cp->num_irq = 2;
14953 }
14954
14955 void bnx2x_setup_cnic_info(struct bnx2x *bp)
14956 {
14957         struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
14958
14959         cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
14960                              bnx2x_cid_ilt_lines(bp);
14961         cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
14962         cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID(bp);
14963         cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID(bp);
14964
14965         DP(NETIF_MSG_IFUP, "BNX2X_1st_NON_L2_ETH_CID(bp) %x, cp->starting_cid %x, cp->fcoe_init_cid %x, cp->iscsi_l2_cid %x\n",
14966            BNX2X_1st_NON_L2_ETH_CID(bp), cp->starting_cid, cp->fcoe_init_cid,
14967            cp->iscsi_l2_cid);
14968
14969         if (NO_ISCSI_OOO(bp))
14970                 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
14971 }
14972
14973 static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
14974                                void *data)
14975 {
14976         struct bnx2x *bp = netdev_priv(dev);
14977         struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
14978         int rc;
14979
14980         DP(NETIF_MSG_IFUP, "Register_cnic called\n");
14981
14982         if (ops == NULL) {
14983                 BNX2X_ERR("NULL ops received\n");
14984                 return -EINVAL;
14985         }
14986
14987         if (!CNIC_SUPPORT(bp)) {
14988                 BNX2X_ERR("Can't register CNIC when not supported\n");
14989                 return -EOPNOTSUPP;
14990         }
14991
14992         if (!CNIC_LOADED(bp)) {
14993                 rc = bnx2x_load_cnic(bp);
14994                 if (rc) {
14995                         BNX2X_ERR("CNIC-related load failed\n");
14996                         return rc;
14997                 }
14998         }
14999
15000         bp->cnic_enabled = true;
15001
15002         bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
15003         if (!bp->cnic_kwq)
15004                 return -ENOMEM;
15005
15006         bp->cnic_kwq_cons = bp->cnic_kwq;
15007         bp->cnic_kwq_prod = bp->cnic_kwq;
15008         bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
15009
15010         bp->cnic_spq_pending = 0;
15011         bp->cnic_kwq_pending = 0;
15012
15013         bp->cnic_data = data;
15014
15015         cp->num_irq = 0;
15016         cp->drv_state |= CNIC_DRV_STATE_REGD;
15017         cp->iro_arr = bp->iro_arr;
15018
15019         bnx2x_setup_cnic_irq_info(bp);
15020
15021         rcu_assign_pointer(bp->cnic_ops, ops);
15022
15023         /* Schedule driver to read CNIC driver versions */
15024         bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_GET_DRV_VERSION, 0);
15025
15026         return 0;
15027 }
15028
15029 static int bnx2x_unregister_cnic(struct net_device *dev)
15030 {
15031         struct bnx2x *bp = netdev_priv(dev);
15032         struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
15033
15034         mutex_lock(&bp->cnic_mutex);
15035         cp->drv_state = 0;
15036         RCU_INIT_POINTER(bp->cnic_ops, NULL);
15037         mutex_unlock(&bp->cnic_mutex);
15038         synchronize_rcu();
15039         bp->cnic_enabled = false;
15040         kfree(bp->cnic_kwq);
15041         bp->cnic_kwq = NULL;
15042
15043         return 0;
15044 }
15045
15046 static struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
15047 {
15048         struct bnx2x *bp = netdev_priv(dev);
15049         struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
15050
15051         /* If both iSCSI and FCoE are disabled - return NULL in
15052          * order to indicate CNIC that it should not try to work
15053          * with this device.
15054          */
15055         if (NO_ISCSI(bp) && NO_FCOE(bp))
15056                 return NULL;
15057
15058         cp->drv_owner = THIS_MODULE;
15059         cp->chip_id = CHIP_ID(bp);
15060         cp->pdev = bp->pdev;
15061         cp->io_base = bp->regview;
15062         cp->io_base2 = bp->doorbells;
15063         cp->max_kwqe_pending = 8;
15064         cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
15065         cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
15066                              bnx2x_cid_ilt_lines(bp);
15067         cp->ctx_tbl_len = CNIC_ILT_LINES;
15068         cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
15069         cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
15070         cp->drv_ctl = bnx2x_drv_ctl;
15071         cp->drv_get_fc_npiv_tbl = bnx2x_get_fc_npiv;
15072         cp->drv_register_cnic = bnx2x_register_cnic;
15073         cp->drv_unregister_cnic = bnx2x_unregister_cnic;
15074         cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID(bp);
15075         cp->iscsi_l2_client_id =
15076                 bnx2x_cnic_eth_cl_id(bp, BNX2X_ISCSI_ETH_CL_ID_IDX);
15077         cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID(bp);
15078
15079         if (NO_ISCSI_OOO(bp))
15080                 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
15081
15082         if (NO_ISCSI(bp))
15083                 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI;
15084
15085         if (NO_FCOE(bp))
15086                 cp->drv_state |= CNIC_DRV_STATE_NO_FCOE;
15087
15088         BNX2X_DEV_INFO(
15089                 "page_size %d, tbl_offset %d, tbl_lines %d, starting cid %d\n",
15090            cp->ctx_blk_size,
15091            cp->ctx_tbl_offset,
15092            cp->ctx_tbl_len,
15093            cp->starting_cid);
15094         return cp;
15095 }
15096
15097 static u32 bnx2x_rx_ustorm_prods_offset(struct bnx2x_fastpath *fp)
15098 {
15099         struct bnx2x *bp = fp->bp;
15100         u32 offset = BAR_USTRORM_INTMEM;
15101
15102         if (IS_VF(bp))
15103                 return bnx2x_vf_ustorm_prods_offset(bp, fp);
15104         else if (!CHIP_IS_E1x(bp))
15105                 offset += USTORM_RX_PRODS_E2_OFFSET(fp->cl_qzone_id);
15106         else
15107                 offset += USTORM_RX_PRODS_E1X_OFFSET(BP_PORT(bp), fp->cl_id);
15108
15109         return offset;
15110 }
15111
15112 /* called only on E1H or E2.
15113  * When pretending to be PF, the pretend value is the function number 0...7
15114  * When pretending to be VF, the pretend val is the PF-num:VF-valid:ABS-VFID
15115  * combination
15116  */
15117 int bnx2x_pretend_func(struct bnx2x *bp, u16 pretend_func_val)
15118 {
15119         u32 pretend_reg;
15120
15121         if (CHIP_IS_E1H(bp) && pretend_func_val >= E1H_FUNC_MAX)
15122                 return -1;
15123
15124         /* get my own pretend register */
15125         pretend_reg = bnx2x_get_pretend_reg(bp);
15126         REG_WR(bp, pretend_reg, pretend_func_val);
15127         REG_RD(bp, pretend_reg);
15128         return 0;
15129 }
15130
15131 static void bnx2x_ptp_task(struct work_struct *work)
15132 {
15133         struct bnx2x *bp = container_of(work, struct bnx2x, ptp_task);
15134         int port = BP_PORT(bp);
15135         u32 val_seq;
15136         u64 timestamp, ns;
15137         struct skb_shared_hwtstamps shhwtstamps;
15138
15139         /* Read Tx timestamp registers */
15140         val_seq = REG_RD(bp, port ? NIG_REG_P1_TLLH_PTP_BUF_SEQID :
15141                          NIG_REG_P0_TLLH_PTP_BUF_SEQID);
15142         if (val_seq & 0x10000) {
15143                 /* There is a valid timestamp value */
15144                 timestamp = REG_RD(bp, port ? NIG_REG_P1_TLLH_PTP_BUF_TS_MSB :
15145                                    NIG_REG_P0_TLLH_PTP_BUF_TS_MSB);
15146                 timestamp <<= 32;
15147                 timestamp |= REG_RD(bp, port ? NIG_REG_P1_TLLH_PTP_BUF_TS_LSB :
15148                                     NIG_REG_P0_TLLH_PTP_BUF_TS_LSB);
15149                 /* Reset timestamp register to allow new timestamp */
15150                 REG_WR(bp, port ? NIG_REG_P1_TLLH_PTP_BUF_SEQID :
15151                        NIG_REG_P0_TLLH_PTP_BUF_SEQID, 0x10000);
15152                 ns = timecounter_cyc2time(&bp->timecounter, timestamp);
15153
15154                 memset(&shhwtstamps, 0, sizeof(shhwtstamps));
15155                 shhwtstamps.hwtstamp = ns_to_ktime(ns);
15156                 skb_tstamp_tx(bp->ptp_tx_skb, &shhwtstamps);
15157                 dev_kfree_skb_any(bp->ptp_tx_skb);
15158                 bp->ptp_tx_skb = NULL;
15159
15160                 DP(BNX2X_MSG_PTP, "Tx timestamp, timestamp cycles = %llu, ns = %llu\n",
15161                    timestamp, ns);
15162         } else {
15163                 DP(BNX2X_MSG_PTP, "There is no valid Tx timestamp yet\n");
15164                 /* Reschedule to keep checking for a valid timestamp value */
15165                 schedule_work(&bp->ptp_task);
15166         }
15167 }
15168
15169 void bnx2x_set_rx_ts(struct bnx2x *bp, struct sk_buff *skb)
15170 {
15171         int port = BP_PORT(bp);
15172         u64 timestamp, ns;
15173
15174         timestamp = REG_RD(bp, port ? NIG_REG_P1_LLH_PTP_HOST_BUF_TS_MSB :
15175                             NIG_REG_P0_LLH_PTP_HOST_BUF_TS_MSB);
15176         timestamp <<= 32;
15177         timestamp |= REG_RD(bp, port ? NIG_REG_P1_LLH_PTP_HOST_BUF_TS_LSB :
15178                             NIG_REG_P0_LLH_PTP_HOST_BUF_TS_LSB);
15179
15180         /* Reset timestamp register to allow new timestamp */
15181         REG_WR(bp, port ? NIG_REG_P1_LLH_PTP_HOST_BUF_SEQID :
15182                NIG_REG_P0_LLH_PTP_HOST_BUF_SEQID, 0x10000);
15183
15184         ns = timecounter_cyc2time(&bp->timecounter, timestamp);
15185
15186         skb_hwtstamps(skb)->hwtstamp = ns_to_ktime(ns);
15187
15188         DP(BNX2X_MSG_PTP, "Rx timestamp, timestamp cycles = %llu, ns = %llu\n",
15189            timestamp, ns);
15190 }
15191
15192 /* Read the PHC */
15193 static cycle_t bnx2x_cyclecounter_read(const struct cyclecounter *cc)
15194 {
15195         struct bnx2x *bp = container_of(cc, struct bnx2x, cyclecounter);
15196         int port = BP_PORT(bp);
15197         u32 wb_data[2];
15198         u64 phc_cycles;
15199
15200         REG_RD_DMAE(bp, port ? NIG_REG_TIMESYNC_GEN_REG + tsgen_synctime_t1 :
15201                     NIG_REG_TIMESYNC_GEN_REG + tsgen_synctime_t0, wb_data, 2);
15202         phc_cycles = wb_data[1];
15203         phc_cycles = (phc_cycles << 32) + wb_data[0];
15204
15205         DP(BNX2X_MSG_PTP, "PHC read cycles = %llu\n", phc_cycles);
15206
15207         return phc_cycles;
15208 }
15209
15210 static void bnx2x_init_cyclecounter(struct bnx2x *bp)
15211 {
15212         memset(&bp->cyclecounter, 0, sizeof(bp->cyclecounter));
15213         bp->cyclecounter.read = bnx2x_cyclecounter_read;
15214         bp->cyclecounter.mask = CYCLECOUNTER_MASK(64);
15215         bp->cyclecounter.shift = 1;
15216         bp->cyclecounter.mult = 1;
15217 }
15218
15219 static int bnx2x_send_reset_timesync_ramrod(struct bnx2x *bp)
15220 {
15221         struct bnx2x_func_state_params func_params = {NULL};
15222         struct bnx2x_func_set_timesync_params *set_timesync_params =
15223                 &func_params.params.set_timesync;
15224
15225         /* Prepare parameters for function state transitions */
15226         __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
15227         __set_bit(RAMROD_RETRY, &func_params.ramrod_flags);
15228
15229         func_params.f_obj = &bp->func_obj;
15230         func_params.cmd = BNX2X_F_CMD_SET_TIMESYNC;
15231
15232         /* Function parameters */
15233         set_timesync_params->drift_adjust_cmd = TS_DRIFT_ADJUST_RESET;
15234         set_timesync_params->offset_cmd = TS_OFFSET_KEEP;
15235
15236         return bnx2x_func_state_change(bp, &func_params);
15237 }
15238
15239 static int bnx2x_enable_ptp_packets(struct bnx2x *bp)
15240 {
15241         struct bnx2x_queue_state_params q_params;
15242         int rc, i;
15243
15244         /* send queue update ramrod to enable PTP packets */
15245         memset(&q_params, 0, sizeof(q_params));
15246         __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
15247         q_params.cmd = BNX2X_Q_CMD_UPDATE;
15248         __set_bit(BNX2X_Q_UPDATE_PTP_PKTS_CHNG,
15249                   &q_params.params.update.update_flags);
15250         __set_bit(BNX2X_Q_UPDATE_PTP_PKTS,
15251                   &q_params.params.update.update_flags);
15252
15253         /* send the ramrod on all the queues of the PF */
15254         for_each_eth_queue(bp, i) {
15255                 struct bnx2x_fastpath *fp = &bp->fp[i];
15256
15257                 /* Set the appropriate Queue object */
15258                 q_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
15259
15260                 /* Update the Queue state */
15261                 rc = bnx2x_queue_state_change(bp, &q_params);
15262                 if (rc) {
15263                         BNX2X_ERR("Failed to enable PTP packets\n");
15264                         return rc;
15265                 }
15266         }
15267
15268         return 0;
15269 }
15270
15271 int bnx2x_configure_ptp_filters(struct bnx2x *bp)
15272 {
15273         int port = BP_PORT(bp);
15274         int rc;
15275
15276         if (!bp->hwtstamp_ioctl_called)
15277                 return 0;
15278
15279         switch (bp->tx_type) {
15280         case HWTSTAMP_TX_ON:
15281                 bp->flags |= TX_TIMESTAMPING_EN;
15282                 REG_WR(bp, port ? NIG_REG_P1_TLLH_PTP_PARAM_MASK :
15283                        NIG_REG_P0_TLLH_PTP_PARAM_MASK, 0x6AA);
15284                 REG_WR(bp, port ? NIG_REG_P1_TLLH_PTP_RULE_MASK :
15285                        NIG_REG_P0_TLLH_PTP_RULE_MASK, 0x3EEE);
15286                 break;
15287         case HWTSTAMP_TX_ONESTEP_SYNC:
15288                 BNX2X_ERR("One-step timestamping is not supported\n");
15289                 return -ERANGE;
15290         }
15291
15292         switch (bp->rx_filter) {
15293         case HWTSTAMP_FILTER_NONE:
15294                 break;
15295         case HWTSTAMP_FILTER_ALL:
15296         case HWTSTAMP_FILTER_SOME:
15297                 bp->rx_filter = HWTSTAMP_FILTER_NONE;
15298                 break;
15299         case HWTSTAMP_FILTER_PTP_V1_L4_EVENT:
15300         case HWTSTAMP_FILTER_PTP_V1_L4_SYNC:
15301         case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ:
15302                 bp->rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_EVENT;
15303                 /* Initialize PTP detection for UDP/IPv4 events */
15304                 REG_WR(bp, port ? NIG_REG_P1_LLH_PTP_PARAM_MASK :
15305                        NIG_REG_P0_LLH_PTP_PARAM_MASK, 0x7EE);
15306                 REG_WR(bp, port ? NIG_REG_P1_LLH_PTP_RULE_MASK :
15307                        NIG_REG_P0_LLH_PTP_RULE_MASK, 0x3FFE);
15308                 break;
15309         case HWTSTAMP_FILTER_PTP_V2_L4_EVENT:
15310         case HWTSTAMP_FILTER_PTP_V2_L4_SYNC:
15311         case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ:
15312                 bp->rx_filter = HWTSTAMP_FILTER_PTP_V2_L4_EVENT;
15313                 /* Initialize PTP detection for UDP/IPv4 or UDP/IPv6 events */
15314                 REG_WR(bp, port ? NIG_REG_P1_LLH_PTP_PARAM_MASK :
15315                        NIG_REG_P0_LLH_PTP_PARAM_MASK, 0x7EA);
15316                 REG_WR(bp, port ? NIG_REG_P1_LLH_PTP_RULE_MASK :
15317                        NIG_REG_P0_LLH_PTP_RULE_MASK, 0x3FEE);
15318                 break;
15319         case HWTSTAMP_FILTER_PTP_V2_L2_EVENT:
15320         case HWTSTAMP_FILTER_PTP_V2_L2_SYNC:
15321         case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ:
15322                 bp->rx_filter = HWTSTAMP_FILTER_PTP_V2_L2_EVENT;
15323                 /* Initialize PTP detection L2 events */
15324                 REG_WR(bp, port ? NIG_REG_P1_LLH_PTP_PARAM_MASK :
15325                        NIG_REG_P0_LLH_PTP_PARAM_MASK, 0x6BF);
15326                 REG_WR(bp, port ? NIG_REG_P1_LLH_PTP_RULE_MASK :
15327                        NIG_REG_P0_LLH_PTP_RULE_MASK, 0x3EFF);
15328
15329                 break;
15330         case HWTSTAMP_FILTER_PTP_V2_EVENT:
15331         case HWTSTAMP_FILTER_PTP_V2_SYNC:
15332         case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ:
15333                 bp->rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT;
15334                 /* Initialize PTP detection L2, UDP/IPv4 or UDP/IPv6 events */
15335                 REG_WR(bp, port ? NIG_REG_P1_LLH_PTP_PARAM_MASK :
15336                        NIG_REG_P0_LLH_PTP_PARAM_MASK, 0x6AA);
15337                 REG_WR(bp, port ? NIG_REG_P1_LLH_PTP_RULE_MASK :
15338                        NIG_REG_P0_LLH_PTP_RULE_MASK, 0x3EEE);
15339                 break;
15340         }
15341
15342         /* Indicate to FW that this PF expects recorded PTP packets */
15343         rc = bnx2x_enable_ptp_packets(bp);
15344         if (rc)
15345                 return rc;
15346
15347         /* Enable sending PTP packets to host */
15348         REG_WR(bp, port ? NIG_REG_P1_LLH_PTP_TO_HOST :
15349                NIG_REG_P0_LLH_PTP_TO_HOST, 0x1);
15350
15351         return 0;
15352 }
15353
15354 static int bnx2x_hwtstamp_ioctl(struct bnx2x *bp, struct ifreq *ifr)
15355 {
15356         struct hwtstamp_config config;
15357         int rc;
15358
15359         DP(BNX2X_MSG_PTP, "HWTSTAMP IOCTL called\n");
15360
15361         if (copy_from_user(&config, ifr->ifr_data, sizeof(config)))
15362                 return -EFAULT;
15363
15364         DP(BNX2X_MSG_PTP, "Requested tx_type: %d, requested rx_filters = %d\n",
15365            config.tx_type, config.rx_filter);
15366
15367         if (config.flags) {
15368                 BNX2X_ERR("config.flags is reserved for future use\n");
15369                 return -EINVAL;
15370         }
15371
15372         bp->hwtstamp_ioctl_called = 1;
15373         bp->tx_type = config.tx_type;
15374         bp->rx_filter = config.rx_filter;
15375
15376         rc = bnx2x_configure_ptp_filters(bp);
15377         if (rc)
15378                 return rc;
15379
15380         config.rx_filter = bp->rx_filter;
15381
15382         return copy_to_user(ifr->ifr_data, &config, sizeof(config)) ?
15383                 -EFAULT : 0;
15384 }
15385
15386 /* Configures HW for PTP */
15387 static int bnx2x_configure_ptp(struct bnx2x *bp)
15388 {
15389         int rc, port = BP_PORT(bp);
15390         u32 wb_data[2];
15391
15392         /* Reset PTP event detection rules - will be configured in the IOCTL */
15393         REG_WR(bp, port ? NIG_REG_P1_LLH_PTP_PARAM_MASK :
15394                NIG_REG_P0_LLH_PTP_PARAM_MASK, 0x7FF);
15395         REG_WR(bp, port ? NIG_REG_P1_LLH_PTP_RULE_MASK :
15396                NIG_REG_P0_LLH_PTP_RULE_MASK, 0x3FFF);
15397         REG_WR(bp, port ? NIG_REG_P1_TLLH_PTP_PARAM_MASK :
15398                NIG_REG_P0_TLLH_PTP_PARAM_MASK, 0x7FF);
15399         REG_WR(bp, port ? NIG_REG_P1_TLLH_PTP_RULE_MASK :
15400                NIG_REG_P0_TLLH_PTP_RULE_MASK, 0x3FFF);
15401
15402         /* Disable PTP packets to host - will be configured in the IOCTL*/
15403         REG_WR(bp, port ? NIG_REG_P1_LLH_PTP_TO_HOST :
15404                NIG_REG_P0_LLH_PTP_TO_HOST, 0x0);
15405
15406         /* Enable the PTP feature */
15407         REG_WR(bp, port ? NIG_REG_P1_PTP_EN :
15408                NIG_REG_P0_PTP_EN, 0x3F);
15409
15410         /* Enable the free-running counter */
15411         wb_data[0] = 0;
15412         wb_data[1] = 0;
15413         REG_WR_DMAE(bp, NIG_REG_TIMESYNC_GEN_REG + tsgen_ctrl, wb_data, 2);
15414
15415         /* Reset drift register (offset register is not reset) */
15416         rc = bnx2x_send_reset_timesync_ramrod(bp);
15417         if (rc) {
15418                 BNX2X_ERR("Failed to reset PHC drift register\n");
15419                 return -EFAULT;
15420         }
15421
15422         /* Reset possibly old timestamps */
15423         REG_WR(bp, port ? NIG_REG_P1_LLH_PTP_HOST_BUF_SEQID :
15424                NIG_REG_P0_LLH_PTP_HOST_BUF_SEQID, 0x10000);
15425         REG_WR(bp, port ? NIG_REG_P1_TLLH_PTP_BUF_SEQID :
15426                NIG_REG_P0_TLLH_PTP_BUF_SEQID, 0x10000);
15427
15428         return 0;
15429 }
15430
15431 /* Called during load, to initialize PTP-related stuff */
15432 void bnx2x_init_ptp(struct bnx2x *bp)
15433 {
15434         int rc;
15435
15436         /* Configure PTP in HW */
15437         rc = bnx2x_configure_ptp(bp);
15438         if (rc) {
15439                 BNX2X_ERR("Stopping PTP initialization\n");
15440                 return;
15441         }
15442
15443         /* Init work queue for Tx timestamping */
15444         INIT_WORK(&bp->ptp_task, bnx2x_ptp_task);
15445
15446         /* Init cyclecounter and timecounter. This is done only in the first
15447          * load. If done in every load, PTP application will fail when doing
15448          * unload / load (e.g. MTU change) while it is running.
15449          */
15450         if (!bp->timecounter_init_done) {
15451                 bnx2x_init_cyclecounter(bp);
15452                 timecounter_init(&bp->timecounter, &bp->cyclecounter,
15453                                  ktime_to_ns(ktime_get_real()));
15454                 bp->timecounter_init_done = 1;
15455         }
15456
15457         DP(BNX2X_MSG_PTP, "PTP initialization ended successfully\n");
15458 }