1 /* bnx2x.h: Broadcom Everest network driver.
3 * Copyright (c) 2007-2013 Broadcom Corporation
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
9 * Maintained by: Ariel Elior <ariel.elior@qlogic.com>
10 * Written by: Eliezer Tamir
11 * Based on code from Michael Chan's bnx2 driver
17 #include <linux/pci.h>
18 #include <linux/netdevice.h>
19 #include <linux/dma-mapping.h>
20 #include <linux/types.h>
21 #include <linux/pci_regs.h>
23 #include <linux/ptp_clock_kernel.h>
24 #include <linux/net_tstamp.h>
25 #include <linux/timecounter.h>
27 /* compilation time flags */
29 /* define this to make the driver freeze on error to allow getting debug info
30 * (you will need to reboot afterwards) */
31 /* #define BNX2X_STOP_ON_ERROR */
33 #define DRV_MODULE_VERSION "1.710.51-0"
34 #define DRV_MODULE_RELDATE "2014/02/10"
35 #define BNX2X_BC_VER 0x040200
37 #if defined(CONFIG_DCB)
41 #include "bnx2x_hsi.h"
43 #include "../cnic_if.h"
45 #define BNX2X_MIN_MSIX_VEC_CNT(bp) ((bp)->min_msix_vec_cnt)
47 #include <linux/mdio.h>
49 #include "bnx2x_reg.h"
50 #include "bnx2x_fw_defs.h"
51 #include "bnx2x_mfw_req.h"
52 #include "bnx2x_link.h"
54 #include "bnx2x_dcb.h"
55 #include "bnx2x_stats.h"
56 #include "bnx2x_vfpf.h"
64 /* error/debug prints */
66 #define DRV_MODULE_NAME "bnx2x"
68 /* for messages that are currently off */
69 #define BNX2X_MSG_OFF 0x0
70 #define BNX2X_MSG_MCP 0x0010000 /* was: NETIF_MSG_HW */
71 #define BNX2X_MSG_STATS 0x0020000 /* was: NETIF_MSG_TIMER */
72 #define BNX2X_MSG_NVM 0x0040000 /* was: NETIF_MSG_HW */
73 #define BNX2X_MSG_DMAE 0x0080000 /* was: NETIF_MSG_HW */
74 #define BNX2X_MSG_SP 0x0100000 /* was: NETIF_MSG_INTR */
75 #define BNX2X_MSG_FP 0x0200000 /* was: NETIF_MSG_INTR */
76 #define BNX2X_MSG_IOV 0x0800000
77 #define BNX2X_MSG_PTP 0x1000000
78 #define BNX2X_MSG_IDLE 0x2000000 /* used for idle check*/
79 #define BNX2X_MSG_ETHTOOL 0x4000000
80 #define BNX2X_MSG_DCB 0x8000000
82 /* regular debug print */
83 #define DP_INNER(fmt, ...) \
84 pr_notice("[%s:%d(%s)]" fmt, \
86 bp->dev ? (bp->dev->name) : "?", \
89 #define DP(__mask, fmt, ...) \
91 if (unlikely(bp->msg_enable & (__mask))) \
92 DP_INNER(fmt, ##__VA_ARGS__); \
95 #define DP_AND(__mask, fmt, ...) \
97 if (unlikely((bp->msg_enable & (__mask)) == __mask)) \
98 DP_INNER(fmt, ##__VA_ARGS__); \
101 #define DP_CONT(__mask, fmt, ...) \
103 if (unlikely(bp->msg_enable & (__mask))) \
104 pr_cont(fmt, ##__VA_ARGS__); \
107 /* errors debug print */
108 #define BNX2X_DBG_ERR(fmt, ...) \
110 if (unlikely(netif_msg_probe(bp))) \
111 pr_err("[%s:%d(%s)]" fmt, \
112 __func__, __LINE__, \
113 bp->dev ? (bp->dev->name) : "?", \
117 /* for errors (never masked) */
118 #define BNX2X_ERR(fmt, ...) \
120 pr_err("[%s:%d(%s)]" fmt, \
121 __func__, __LINE__, \
122 bp->dev ? (bp->dev->name) : "?", \
126 #define BNX2X_ERROR(fmt, ...) \
127 pr_err("[%s:%d]" fmt, __func__, __LINE__, ##__VA_ARGS__)
129 /* before we have a dev->name use dev_info() */
130 #define BNX2X_DEV_INFO(fmt, ...) \
132 if (unlikely(netif_msg_probe(bp))) \
133 dev_info(&bp->pdev->dev, fmt, ##__VA_ARGS__); \
137 void bnx2x_panic_dump(struct bnx2x *bp, bool disable_int);
138 #ifdef BNX2X_STOP_ON_ERROR
139 #define bnx2x_panic() \
142 BNX2X_ERR("driver assert\n"); \
143 bnx2x_panic_dump(bp, true); \
146 #define bnx2x_panic() \
149 BNX2X_ERR("driver assert\n"); \
150 bnx2x_panic_dump(bp, false); \
154 #define bnx2x_mc_addr(ha) ((ha)->addr)
155 #define bnx2x_uc_addr(ha) ((ha)->addr)
157 #define U64_LO(x) ((u32)(((u64)(x)) & 0xffffffff))
158 #define U64_HI(x) ((u32)(((u64)(x)) >> 32))
159 #define HILO_U64(hi, lo) ((((u64)(hi)) << 32) + (lo))
161 #define REG_ADDR(bp, offset) ((bp->regview) + (offset))
163 #define REG_RD(bp, offset) readl(REG_ADDR(bp, offset))
164 #define REG_RD8(bp, offset) readb(REG_ADDR(bp, offset))
165 #define REG_RD16(bp, offset) readw(REG_ADDR(bp, offset))
167 #define REG_WR(bp, offset, val) writel((u32)val, REG_ADDR(bp, offset))
168 #define REG_WR8(bp, offset, val) writeb((u8)val, REG_ADDR(bp, offset))
169 #define REG_WR16(bp, offset, val) writew((u16)val, REG_ADDR(bp, offset))
171 #define REG_RD_IND(bp, offset) bnx2x_reg_rd_ind(bp, offset)
172 #define REG_WR_IND(bp, offset, val) bnx2x_reg_wr_ind(bp, offset, val)
174 #define REG_RD_DMAE(bp, offset, valp, len32) \
176 bnx2x_read_dmae(bp, offset, len32);\
177 memcpy(valp, bnx2x_sp(bp, wb_data[0]), (len32) * 4); \
180 #define REG_WR_DMAE(bp, offset, valp, len32) \
182 memcpy(bnx2x_sp(bp, wb_data[0]), valp, (len32) * 4); \
183 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data), \
187 #define REG_WR_DMAE_LEN(bp, offset, valp, len32) \
188 REG_WR_DMAE(bp, offset, valp, len32)
190 #define VIRT_WR_DMAE_LEN(bp, data, addr, len32, le32_swap) \
192 memcpy(GUNZIP_BUF(bp), data, (len32) * 4); \
193 bnx2x_write_big_buf_wb(bp, addr, len32); \
196 #define SHMEM_ADDR(bp, field) (bp->common.shmem_base + \
197 offsetof(struct shmem_region, field))
198 #define SHMEM_RD(bp, field) REG_RD(bp, SHMEM_ADDR(bp, field))
199 #define SHMEM_WR(bp, field, val) REG_WR(bp, SHMEM_ADDR(bp, field), val)
201 #define SHMEM2_ADDR(bp, field) (bp->common.shmem2_base + \
202 offsetof(struct shmem2_region, field))
203 #define SHMEM2_RD(bp, field) REG_RD(bp, SHMEM2_ADDR(bp, field))
204 #define SHMEM2_WR(bp, field, val) REG_WR(bp, SHMEM2_ADDR(bp, field), val)
205 #define MF_CFG_ADDR(bp, field) (bp->common.mf_cfg_base + \
206 offsetof(struct mf_cfg, field))
207 #define MF2_CFG_ADDR(bp, field) (bp->common.mf2_cfg_base + \
208 offsetof(struct mf2_cfg, field))
210 #define MF_CFG_RD(bp, field) REG_RD(bp, MF_CFG_ADDR(bp, field))
211 #define MF_CFG_WR(bp, field, val) REG_WR(bp,\
212 MF_CFG_ADDR(bp, field), (val))
213 #define MF2_CFG_RD(bp, field) REG_RD(bp, MF2_CFG_ADDR(bp, field))
215 #define SHMEM2_HAS(bp, field) ((bp)->common.shmem2_base && \
216 (SHMEM2_RD((bp), size) > \
217 offsetof(struct shmem2_region, field)))
219 #define EMAC_RD(bp, reg) REG_RD(bp, emac_base + reg)
220 #define EMAC_WR(bp, reg, val) REG_WR(bp, emac_base + reg, val)
224 /* General SP events - stats query, cfc delete, etc */
225 #define HC_SP_INDEX_ETH_DEF_CONS 3
228 #define HC_SP_INDEX_EQ_CONS 7
230 /* FCoE L2 connection completions */
231 #define HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS 6
232 #define HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS 4
234 #define HC_SP_INDEX_ETH_ISCSI_CQ_CONS 5
235 #define HC_SP_INDEX_ETH_ISCSI_RX_CQ_CONS 1
237 /* Special clients parameters */
241 #define BNX2X_FCOE_L2_RX_INDEX \
242 (&bp->def_status_blk->sp_sb.\
243 index_values[HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS])
245 #define BNX2X_FCOE_L2_TX_INDEX \
246 (&bp->def_status_blk->sp_sb.\
247 index_values[HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS])
251 * CLIDs below is a CLID for func 0, then the CLID for other
252 * functions will be calculated by the formula:
254 * FUNC_N_CLID_X = N * NUM_SPECIAL_CLIENTS + FUNC_0_CLID_X
258 BNX2X_ISCSI_ETH_CL_ID_IDX,
259 BNX2X_FCOE_ETH_CL_ID_IDX,
260 BNX2X_MAX_CNIC_ETH_CL_ID_IDX,
263 /* use a value high enough to be above all the PFs, which has least significant
264 * nibble as 8, so when cnic needs to come up with a CID for UIO to use to
265 * calculate doorbell address according to old doorbell configuration scheme
266 * (db_msg_sz 1 << 7 * cid + 0x40 DPM offset) it can come up with a valid number
267 * We must avoid coming up with cid 8 for iscsi since according to this method
268 * the designated UIO cid will come out 0 and it has a special handling for that
269 * case which doesn't suit us. Therefore will will cieling to closes cid which
270 * has least signigifcant nibble 8 and if it is 8 we will move forward to 0x18.
273 #define BNX2X_1st_NON_L2_ETH_CID(bp) (BNX2X_NUM_NON_CNIC_QUEUES(bp) * \
275 /* amount of cids traversed by UIO's DPM addition to doorbell */
277 /* roundup to DPM offset */
278 #define UIO_ROUNDUP(bp) (roundup(BNX2X_1st_NON_L2_ETH_CID(bp), \
280 /* offset to nearest value which has lsb nibble matching DPM */
281 #define UIO_CID_OFFSET(bp) ((UIO_ROUNDUP(bp) + UIO_DPM) % \
283 /* add offset to rounded-up cid to get a value which could be used with UIO */
284 #define UIO_DPM_ALIGN(bp) (UIO_ROUNDUP(bp) + UIO_CID_OFFSET(bp))
285 /* but wait - avoid UIO special case for cid 0 */
286 #define UIO_DPM_CID0_OFFSET(bp) ((UIO_DPM * 2) * \
287 (UIO_DPM_ALIGN(bp) == UIO_DPM))
288 /* Properly DPM aligned CID dajusted to cid 0 secal case */
289 #define BNX2X_CNIC_START_ETH_CID(bp) (UIO_DPM_ALIGN(bp) + \
290 (UIO_DPM_CID0_OFFSET(bp)))
291 /* how many cids were wasted - need this value for cid allocation */
292 #define UIO_CID_PAD(bp) (BNX2X_CNIC_START_ETH_CID(bp) - \
293 BNX2X_1st_NON_L2_ETH_CID(bp))
295 #define BNX2X_ISCSI_ETH_CID(bp) (BNX2X_CNIC_START_ETH_CID(bp))
297 #define BNX2X_FCOE_ETH_CID(bp) (BNX2X_CNIC_START_ETH_CID(bp) + 1)
299 #define CNIC_SUPPORT(bp) ((bp)->cnic_support)
300 #define CNIC_ENABLED(bp) ((bp)->cnic_enabled)
301 #define CNIC_LOADED(bp) ((bp)->cnic_loaded)
302 #define FCOE_INIT(bp) ((bp)->fcoe_init)
304 #define AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR \
305 AEU_INPUTS_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR
310 /* defines for multiple tx priority indices */
311 #define FIRST_TX_ONLY_COS_INDEX 1
312 #define FIRST_TX_COS_INDEX 0
314 /* rules for calculating the cids of tx-only connections */
315 #define CID_TO_FP(cid, bp) ((cid) % BNX2X_NUM_NON_CNIC_QUEUES(bp))
316 #define CID_COS_TO_TX_ONLY_CID(cid, cos, bp) \
317 (cid + cos * BNX2X_NUM_NON_CNIC_QUEUES(bp))
319 /* fp index inside class of service range */
320 #define FP_COS_TO_TXQ(fp, cos, bp) \
321 ((fp)->index + cos * BNX2X_NUM_NON_CNIC_QUEUES(bp))
323 /* Indexes for transmission queues array:
324 * txdata for RSS i CoS j is at location i + (j * num of RSS)
325 * txdata for FCoE (if exist) is at location max cos * num of RSS
326 * txdata for FWD (if exist) is one location after FCoE
327 * txdata for OOO (if exist) is one location after FWD
334 #define MAX_ETH_TXQ_IDX(bp) (BNX2X_NUM_NON_CNIC_QUEUES(bp) * (bp)->max_cos)
335 #define FCOE_TXQ_IDX(bp) (MAX_ETH_TXQ_IDX(bp) + FCOE_TXQ_IDX_OFFSET)
339 * This driver uses new build_skb() API :
340 * RX ring buffer contains pointer to kmalloc() data only,
341 * skb are built only after Hardware filled the frame.
345 DEFINE_DMA_UNMAP_ADDR(mapping);
352 /* Set on the first BD descriptor when there is a split BD */
353 #define BNX2X_TSO_SPLIT_BD (1<<0)
354 #define BNX2X_HAS_SECOND_PBD (1<<1)
359 DEFINE_DMA_UNMAP_ADDR(mapping);
364 struct doorbell_set_prod data;
368 /* dropless fc FW/HW related params */
369 #define BRB_SIZE(bp) (CHIP_IS_E3(bp) ? 1024 : 512)
370 #define MAX_AGG_QS(bp) (CHIP_IS_E1(bp) ? \
371 ETH_MAX_AGGREGATION_QUEUES_E1 :\
372 ETH_MAX_AGGREGATION_QUEUES_E1H_E2)
373 #define FW_DROP_LEVEL(bp) (3 + MAX_SPQ_PENDING + MAX_AGG_QS(bp))
374 #define FW_PREFETCH_CNT 16
375 #define DROPLESS_FC_HEADROOM 100
378 #define BCM_PAGE_SHIFT 12
379 #define BCM_PAGE_SIZE (1 << BCM_PAGE_SHIFT)
380 #define BCM_PAGE_MASK (~(BCM_PAGE_SIZE - 1))
381 #define BCM_PAGE_ALIGN(addr) (((addr) + BCM_PAGE_SIZE - 1) & BCM_PAGE_MASK)
383 #define PAGES_PER_SGE_SHIFT 0
384 #define PAGES_PER_SGE (1 << PAGES_PER_SGE_SHIFT)
385 #define SGE_PAGE_SHIFT 12
386 #define SGE_PAGE_SIZE (1 << SGE_PAGE_SHIFT)
387 #define SGE_PAGE_MASK (~(SGE_PAGE_SIZE - 1))
388 #define SGE_PAGE_ALIGN(addr) (((addr) + SGE_PAGE_SIZE - 1) & SGE_PAGE_MASK)
389 #define SGE_PAGES (SGE_PAGE_SIZE * PAGES_PER_SGE)
390 #define TPA_AGG_SIZE min_t(u32, (min_t(u32, 8, MAX_SKB_FRAGS) * \
393 /* SGE ring related macros */
394 #define NUM_RX_SGE_PAGES 2
395 #define RX_SGE_CNT (BCM_PAGE_SIZE / sizeof(struct eth_rx_sge))
396 #define NEXT_PAGE_SGE_DESC_CNT 2
397 #define MAX_RX_SGE_CNT (RX_SGE_CNT - NEXT_PAGE_SGE_DESC_CNT)
398 /* RX_SGE_CNT is promised to be a power of 2 */
399 #define RX_SGE_MASK (RX_SGE_CNT - 1)
400 #define NUM_RX_SGE (RX_SGE_CNT * NUM_RX_SGE_PAGES)
401 #define MAX_RX_SGE (NUM_RX_SGE - 1)
402 #define NEXT_SGE_IDX(x) ((((x) & RX_SGE_MASK) == \
403 (MAX_RX_SGE_CNT - 1)) ? \
404 (x) + 1 + NEXT_PAGE_SGE_DESC_CNT : \
406 #define RX_SGE(x) ((x) & MAX_RX_SGE)
409 * Number of required SGEs is the sum of two:
410 * 1. Number of possible opened aggregations (next packet for
411 * these aggregations will probably consume SGE immediately)
412 * 2. Rest of BRB blocks divided by 2 (block will consume new SGE only
413 * after placement on BD for new TPA aggregation)
415 * Takes into account NEXT_PAGE_SGE_DESC_CNT "next" elements on each page
417 #define NUM_SGE_REQ (MAX_AGG_QS(bp) + \
418 (BRB_SIZE(bp) - MAX_AGG_QS(bp)) / 2)
419 #define NUM_SGE_PG_REQ ((NUM_SGE_REQ + MAX_RX_SGE_CNT - 1) / \
421 #define SGE_TH_LO(bp) (NUM_SGE_REQ + \
422 NUM_SGE_PG_REQ * NEXT_PAGE_SGE_DESC_CNT)
423 #define SGE_TH_HI(bp) (SGE_TH_LO(bp) + DROPLESS_FC_HEADROOM)
425 /* Manipulate a bit vector defined as an array of u64 */
427 /* Number of bits in one sge_mask array element */
428 #define BIT_VEC64_ELEM_SZ 64
429 #define BIT_VEC64_ELEM_SHIFT 6
430 #define BIT_VEC64_ELEM_MASK ((u64)BIT_VEC64_ELEM_SZ - 1)
432 #define __BIT_VEC64_SET_BIT(el, bit) \
434 el = ((el) | ((u64)0x1 << (bit))); \
437 #define __BIT_VEC64_CLEAR_BIT(el, bit) \
439 el = ((el) & (~((u64)0x1 << (bit)))); \
442 #define BIT_VEC64_SET_BIT(vec64, idx) \
443 __BIT_VEC64_SET_BIT((vec64)[(idx) >> BIT_VEC64_ELEM_SHIFT], \
444 (idx) & BIT_VEC64_ELEM_MASK)
446 #define BIT_VEC64_CLEAR_BIT(vec64, idx) \
447 __BIT_VEC64_CLEAR_BIT((vec64)[(idx) >> BIT_VEC64_ELEM_SHIFT], \
448 (idx) & BIT_VEC64_ELEM_MASK)
450 #define BIT_VEC64_TEST_BIT(vec64, idx) \
451 (((vec64)[(idx) >> BIT_VEC64_ELEM_SHIFT] >> \
452 ((idx) & BIT_VEC64_ELEM_MASK)) & 0x1)
454 /* Creates a bitmask of all ones in less significant bits.
455 idx - index of the most significant bit in the created mask */
456 #define BIT_VEC64_ONES_MASK(idx) \
457 (((u64)0x1 << (((idx) & BIT_VEC64_ELEM_MASK) + 1)) - 1)
458 #define BIT_VEC64_ELEM_ONE_MASK ((u64)(~0))
460 /*******************************************************/
462 /* Number of u64 elements in SGE mask array */
463 #define RX_SGE_MASK_LEN (NUM_RX_SGE / BIT_VEC64_ELEM_SZ)
464 #define RX_SGE_MASK_LEN_MASK (RX_SGE_MASK_LEN - 1)
465 #define NEXT_SGE_MASK_ELEM(el) (((el) + 1) & RX_SGE_MASK_LEN_MASK)
467 union host_hc_status_block {
468 /* pointer to fp status block e1x */
469 struct host_hc_status_block_e1x *e1x_sb;
470 /* pointer to fp status block e2 */
471 struct host_hc_status_block_e2 *e2_sb;
474 struct bnx2x_agg_info {
476 * First aggregation buffer is a data buffer, the following - are pages.
477 * We will preallocate the data buffer for each aggregation when
478 * we open the interface and will replace the BD at the consumer
479 * with this one when we receive the TPA_START CQE in order to
480 * keep the Rx BD ring consistent.
482 struct sw_rx_bd first_buf;
484 #define BNX2X_TPA_START 1
485 #define BNX2X_TPA_STOP 2
486 #define BNX2X_TPA_ERROR 3
492 enum pkt_hash_types rxhash_type;
497 #define Q_STATS_OFFSET32(stat_name) \
498 (offsetof(struct bnx2x_eth_q_stats, stat_name) / 4)
500 struct bnx2x_fp_txdata {
502 struct sw_tx_bd *tx_buf_ring;
504 union eth_tx_bd_types *tx_desc_ring;
505 dma_addr_t tx_desc_mapping;
516 unsigned long tx_pkt;
521 struct bnx2x_fastpath *parent_fp;
525 enum bnx2x_tpa_mode_t {
531 struct bnx2x_alloc_pool {
536 struct bnx2x_fastpath {
537 struct bnx2x *bp; /* parent */
539 struct napi_struct napi;
541 #ifdef CONFIG_NET_RX_BUSY_POLL
542 unsigned long busy_poll_state;
545 union host_hc_status_block status_blk;
546 /* chip independent shortcuts into sb structure */
547 __le16 *sb_index_values;
548 __le16 *sb_running_index;
549 /* chip independent shortcut into rx_prods_offset memory */
550 u32 ustorm_rx_prods_offset;
553 u32 rx_frag_size; /* 0 if kmalloced(), or rx_buf_size + NET_SKB_PAD */
554 dma_addr_t status_blk_mapping;
556 enum bnx2x_tpa_mode_t mode;
558 u8 max_cos; /* actual number of active tx coses */
559 struct bnx2x_fp_txdata *txdata_ptr[BNX2X_MULTI_TX_COS];
561 struct sw_rx_bd *rx_buf_ring; /* BDs mappings ring */
562 struct sw_rx_page *rx_page_ring; /* SGE pages mappings ring */
564 struct eth_rx_bd *rx_desc_ring;
565 dma_addr_t rx_desc_mapping;
567 union eth_rx_cqe *rx_comp_ring;
568 dma_addr_t rx_comp_mapping;
571 struct eth_rx_sge *rx_sge_ring;
572 dma_addr_t rx_sge_mapping;
574 u64 sge_mask[RX_SGE_MASK_LEN];
580 u8 index; /* number in fp array */
581 u8 rx_queue; /* index for skb_record */
582 u8 cl_id; /* eth client id */
584 u8 fw_sb_id; /* status block number in FW */
585 u8 igu_sb_id; /* status block number in HW */
592 /* The last maximal completed SGE */
595 unsigned long rx_pkt,
599 struct bnx2x_agg_info *tpa_info;
600 #ifdef BNX2X_STOP_ON_ERROR
603 /* The size is calculated using the following:
604 sizeof name field from netdev structure +
606 4 (for the digits and to make it DWORD aligned) */
607 #define FP_NAME_SIZE (sizeof(((struct net_device *)0)->name) + 8)
608 char name[FP_NAME_SIZE];
610 struct bnx2x_alloc_pool page_pool;
613 #define bnx2x_fp(bp, nr, var) ((bp)->fp[(nr)].var)
614 #define bnx2x_sp_obj(bp, fp) ((bp)->sp_objs[(fp)->index])
615 #define bnx2x_fp_stats(bp, fp) (&((bp)->fp_stats[(fp)->index]))
616 #define bnx2x_fp_qstats(bp, fp) (&((bp)->fp_stats[(fp)->index].eth_q_stats))
618 #ifdef CONFIG_NET_RX_BUSY_POLL
620 enum bnx2x_fp_state {
621 BNX2X_STATE_FP_NAPI = BIT(0), /* NAPI handler owns the queue */
623 BNX2X_STATE_FP_NAPI_REQ_BIT = 1, /* NAPI would like to own the queue */
624 BNX2X_STATE_FP_NAPI_REQ = BIT(1),
626 BNX2X_STATE_FP_POLL_BIT = 2,
627 BNX2X_STATE_FP_POLL = BIT(2), /* busy_poll owns the queue */
629 BNX2X_STATE_FP_DISABLE_BIT = 3, /* queue is dismantled */
632 static inline void bnx2x_fp_busy_poll_init(struct bnx2x_fastpath *fp)
634 WRITE_ONCE(fp->busy_poll_state, 0);
637 /* called from the device poll routine to get ownership of a FP */
638 static inline bool bnx2x_fp_lock_napi(struct bnx2x_fastpath *fp)
640 unsigned long prev, old = READ_ONCE(fp->busy_poll_state);
644 case BNX2X_STATE_FP_POLL:
645 /* make sure bnx2x_fp_lock_poll() wont starve us */
646 set_bit(BNX2X_STATE_FP_NAPI_REQ_BIT,
647 &fp->busy_poll_state);
649 case BNX2X_STATE_FP_POLL | BNX2X_STATE_FP_NAPI_REQ:
654 prev = cmpxchg(&fp->busy_poll_state, old, BNX2X_STATE_FP_NAPI);
655 if (unlikely(prev != old)) {
663 static inline void bnx2x_fp_unlock_napi(struct bnx2x_fastpath *fp)
666 fp->busy_poll_state = 0;
669 /* called from bnx2x_low_latency_poll() */
670 static inline bool bnx2x_fp_lock_poll(struct bnx2x_fastpath *fp)
672 return cmpxchg(&fp->busy_poll_state, 0, BNX2X_STATE_FP_POLL) == 0;
675 static inline void bnx2x_fp_unlock_poll(struct bnx2x_fastpath *fp)
677 smp_mb__before_atomic();
678 clear_bit(BNX2X_STATE_FP_POLL_BIT, &fp->busy_poll_state);
681 /* true if a socket is polling */
682 static inline bool bnx2x_fp_ll_polling(struct bnx2x_fastpath *fp)
684 return READ_ONCE(fp->busy_poll_state) & BNX2X_STATE_FP_POLL;
687 /* false if fp is currently owned */
688 static inline bool bnx2x_fp_ll_disable(struct bnx2x_fastpath *fp)
690 set_bit(BNX2X_STATE_FP_DISABLE_BIT, &fp->busy_poll_state);
691 return !bnx2x_fp_ll_polling(fp);
695 static inline void bnx2x_fp_busy_poll_init(struct bnx2x_fastpath *fp)
699 static inline bool bnx2x_fp_lock_napi(struct bnx2x_fastpath *fp)
704 static inline void bnx2x_fp_unlock_napi(struct bnx2x_fastpath *fp)
708 static inline bool bnx2x_fp_lock_poll(struct bnx2x_fastpath *fp)
713 static inline void bnx2x_fp_unlock_poll(struct bnx2x_fastpath *fp)
717 static inline bool bnx2x_fp_ll_polling(struct bnx2x_fastpath *fp)
721 static inline bool bnx2x_fp_ll_disable(struct bnx2x_fastpath *fp)
725 #endif /* CONFIG_NET_RX_BUSY_POLL */
727 /* Use 2500 as a mini-jumbo MTU for FCoE */
728 #define BNX2X_FCOE_MINI_JUMBO_MTU 2500
730 #define FCOE_IDX_OFFSET 0
732 #define FCOE_IDX(bp) (BNX2X_NUM_NON_CNIC_QUEUES(bp) + \
734 #define bnx2x_fcoe_fp(bp) (&bp->fp[FCOE_IDX(bp)])
735 #define bnx2x_fcoe(bp, var) (bnx2x_fcoe_fp(bp)->var)
736 #define bnx2x_fcoe_inner_sp_obj(bp) (&bp->sp_objs[FCOE_IDX(bp)])
737 #define bnx2x_fcoe_sp_obj(bp, var) (bnx2x_fcoe_inner_sp_obj(bp)->var)
738 #define bnx2x_fcoe_tx(bp, var) (bnx2x_fcoe_fp(bp)-> \
739 txdata_ptr[FIRST_TX_COS_INDEX] \
742 #define IS_ETH_FP(fp) ((fp)->index < BNX2X_NUM_ETH_QUEUES((fp)->bp))
743 #define IS_FCOE_FP(fp) ((fp)->index == FCOE_IDX((fp)->bp))
744 #define IS_FCOE_IDX(idx) ((idx) == FCOE_IDX(bp))
747 #define MAX_FETCH_BD 13 /* HW max BDs per packet */
748 #define RX_COPY_THRESH 92
750 #define NUM_TX_RINGS 16
751 #define TX_DESC_CNT (BCM_PAGE_SIZE / sizeof(union eth_tx_bd_types))
752 #define NEXT_PAGE_TX_DESC_CNT 1
753 #define MAX_TX_DESC_CNT (TX_DESC_CNT - NEXT_PAGE_TX_DESC_CNT)
754 #define NUM_TX_BD (TX_DESC_CNT * NUM_TX_RINGS)
755 #define MAX_TX_BD (NUM_TX_BD - 1)
756 #define MAX_TX_AVAIL (MAX_TX_DESC_CNT * NUM_TX_RINGS - 2)
757 #define NEXT_TX_IDX(x) ((((x) & MAX_TX_DESC_CNT) == \
758 (MAX_TX_DESC_CNT - 1)) ? \
759 (x) + 1 + NEXT_PAGE_TX_DESC_CNT : \
761 #define TX_BD(x) ((x) & MAX_TX_BD)
762 #define TX_BD_POFF(x) ((x) & MAX_TX_DESC_CNT)
764 /* number of NEXT_PAGE descriptors may be required during placement */
765 #define NEXT_CNT_PER_TX_PKT(bds) \
766 (((bds) + MAX_TX_DESC_CNT - 1) / \
767 MAX_TX_DESC_CNT * NEXT_PAGE_TX_DESC_CNT)
768 /* max BDs per tx packet w/o next_pages:
769 * START_BD - describes packed
770 * START_BD(splitted) - includes unpaged data segment for GSO
771 * PARSING_BD - for TSO and CSUM data
772 * PARSING_BD2 - for encapsulation data
773 * Frag BDs - describes pages for frags
775 #define BDS_PER_TX_PKT 4
776 #define MAX_BDS_PER_TX_PKT (MAX_SKB_FRAGS + BDS_PER_TX_PKT)
777 /* max BDs per tx packet including next pages */
778 #define MAX_DESC_PER_TX_PKT (MAX_BDS_PER_TX_PKT + \
779 NEXT_CNT_PER_TX_PKT(MAX_BDS_PER_TX_PKT))
781 /* The RX BD ring is special, each bd is 8 bytes but the last one is 16 */
782 #define NUM_RX_RINGS 8
783 #define RX_DESC_CNT (BCM_PAGE_SIZE / sizeof(struct eth_rx_bd))
784 #define NEXT_PAGE_RX_DESC_CNT 2
785 #define MAX_RX_DESC_CNT (RX_DESC_CNT - NEXT_PAGE_RX_DESC_CNT)
786 #define RX_DESC_MASK (RX_DESC_CNT - 1)
787 #define NUM_RX_BD (RX_DESC_CNT * NUM_RX_RINGS)
788 #define MAX_RX_BD (NUM_RX_BD - 1)
789 #define MAX_RX_AVAIL (MAX_RX_DESC_CNT * NUM_RX_RINGS - 2)
791 /* dropless fc calculations for BDs
793 * Number of BDs should as number of buffers in BRB:
794 * Low threshold takes into account NEXT_PAGE_RX_DESC_CNT
795 * "next" elements on each page
797 #define NUM_BD_REQ BRB_SIZE(bp)
798 #define NUM_BD_PG_REQ ((NUM_BD_REQ + MAX_RX_DESC_CNT - 1) / \
800 #define BD_TH_LO(bp) (NUM_BD_REQ + \
801 NUM_BD_PG_REQ * NEXT_PAGE_RX_DESC_CNT + \
803 #define BD_TH_HI(bp) (BD_TH_LO(bp) + DROPLESS_FC_HEADROOM)
805 #define MIN_RX_AVAIL ((bp)->dropless_fc ? BD_TH_HI(bp) + 128 : 128)
807 #define MIN_RX_SIZE_TPA_HW (CHIP_IS_E1(bp) ? \
808 ETH_MIN_RX_CQES_WITH_TPA_E1 : \
809 ETH_MIN_RX_CQES_WITH_TPA_E1H_E2)
810 #define MIN_RX_SIZE_NONTPA_HW ETH_MIN_RX_CQES_WITHOUT_TPA
811 #define MIN_RX_SIZE_TPA (max_t(u32, MIN_RX_SIZE_TPA_HW, MIN_RX_AVAIL))
812 #define MIN_RX_SIZE_NONTPA (max_t(u32, MIN_RX_SIZE_NONTPA_HW,\
815 #define NEXT_RX_IDX(x) ((((x) & RX_DESC_MASK) == \
816 (MAX_RX_DESC_CNT - 1)) ? \
817 (x) + 1 + NEXT_PAGE_RX_DESC_CNT : \
819 #define RX_BD(x) ((x) & MAX_RX_BD)
822 * As long as CQE is X times bigger than BD entry we have to allocate X times
823 * more pages for CQ ring in order to keep it balanced with BD ring
825 #define CQE_BD_REL (sizeof(union eth_rx_cqe) / sizeof(struct eth_rx_bd))
826 #define NUM_RCQ_RINGS (NUM_RX_RINGS * CQE_BD_REL)
827 #define RCQ_DESC_CNT (BCM_PAGE_SIZE / sizeof(union eth_rx_cqe))
828 #define NEXT_PAGE_RCQ_DESC_CNT 1
829 #define MAX_RCQ_DESC_CNT (RCQ_DESC_CNT - NEXT_PAGE_RCQ_DESC_CNT)
830 #define NUM_RCQ_BD (RCQ_DESC_CNT * NUM_RCQ_RINGS)
831 #define MAX_RCQ_BD (NUM_RCQ_BD - 1)
832 #define MAX_RCQ_AVAIL (MAX_RCQ_DESC_CNT * NUM_RCQ_RINGS - 2)
833 #define NEXT_RCQ_IDX(x) ((((x) & MAX_RCQ_DESC_CNT) == \
834 (MAX_RCQ_DESC_CNT - 1)) ? \
835 (x) + 1 + NEXT_PAGE_RCQ_DESC_CNT : \
837 #define RCQ_BD(x) ((x) & MAX_RCQ_BD)
839 /* dropless fc calculations for RCQs
841 * Number of RCQs should be as number of buffers in BRB:
842 * Low threshold takes into account NEXT_PAGE_RCQ_DESC_CNT
843 * "next" elements on each page
845 #define NUM_RCQ_REQ BRB_SIZE(bp)
846 #define NUM_RCQ_PG_REQ ((NUM_BD_REQ + MAX_RCQ_DESC_CNT - 1) / \
848 #define RCQ_TH_LO(bp) (NUM_RCQ_REQ + \
849 NUM_RCQ_PG_REQ * NEXT_PAGE_RCQ_DESC_CNT + \
851 #define RCQ_TH_HI(bp) (RCQ_TH_LO(bp) + DROPLESS_FC_HEADROOM)
853 /* This is needed for determining of last_max */
854 #define SUB_S16(a, b) (s16)((s16)(a) - (s16)(b))
855 #define SUB_S32(a, b) (s32)((s32)(a) - (s32)(b))
857 #define BNX2X_SWCID_SHIFT 17
858 #define BNX2X_SWCID_MASK ((0x1 << BNX2X_SWCID_SHIFT) - 1)
860 /* used on a CID received from the HW */
861 #define SW_CID(x) (le32_to_cpu(x) & BNX2X_SWCID_MASK)
862 #define CQE_CMD(x) (le32_to_cpu(x) >> \
863 COMMON_RAMROD_ETH_RX_CQE_CMD_ID_SHIFT)
865 #define BD_UNMAP_ADDR(bd) HILO_U64(le32_to_cpu((bd)->addr_hi), \
866 le32_to_cpu((bd)->addr_lo))
867 #define BD_UNMAP_LEN(bd) (le16_to_cpu((bd)->nbytes))
869 #define BNX2X_DB_MIN_SHIFT 3 /* 8 bytes */
870 #define BNX2X_DB_SHIFT 3 /* 8 bytes*/
871 #if (BNX2X_DB_SHIFT < BNX2X_DB_MIN_SHIFT)
872 #error "Min DB doorbell stride is 8"
874 #define DOORBELL(bp, cid, val) \
876 writel((u32)(val), bp->doorbells + (bp->db_size * (cid))); \
879 /* TX CSUM helpers */
880 #define SKB_CS_OFF(skb) (offsetof(struct tcphdr, check) - \
882 #define SKB_CS(skb) (*(u16 *)(skb_transport_header(skb) + \
885 #define pbd_tcp_flags(tcp_hdr) (ntohl(tcp_flag_word(tcp_hdr))>>16 & 0xff)
888 #define XMIT_CSUM_V4 (1 << 0)
889 #define XMIT_CSUM_V6 (1 << 1)
890 #define XMIT_CSUM_TCP (1 << 2)
891 #define XMIT_GSO_V4 (1 << 3)
892 #define XMIT_GSO_V6 (1 << 4)
893 #define XMIT_CSUM_ENC_V4 (1 << 5)
894 #define XMIT_CSUM_ENC_V6 (1 << 6)
895 #define XMIT_GSO_ENC_V4 (1 << 7)
896 #define XMIT_GSO_ENC_V6 (1 << 8)
898 #define XMIT_CSUM_ENC (XMIT_CSUM_ENC_V4 | XMIT_CSUM_ENC_V6)
899 #define XMIT_GSO_ENC (XMIT_GSO_ENC_V4 | XMIT_GSO_ENC_V6)
901 #define XMIT_CSUM (XMIT_CSUM_V4 | XMIT_CSUM_V6 | XMIT_CSUM_ENC)
902 #define XMIT_GSO (XMIT_GSO_V4 | XMIT_GSO_V6 | XMIT_GSO_ENC)
904 /* stuff added to make the code fit 80Col */
905 #define CQE_TYPE(cqe_fp_flags) ((cqe_fp_flags) & ETH_FAST_PATH_RX_CQE_TYPE)
906 #define CQE_TYPE_START(cqe_type) ((cqe_type) == RX_ETH_CQE_TYPE_ETH_START_AGG)
907 #define CQE_TYPE_STOP(cqe_type) ((cqe_type) == RX_ETH_CQE_TYPE_ETH_STOP_AGG)
908 #define CQE_TYPE_SLOW(cqe_type) ((cqe_type) == RX_ETH_CQE_TYPE_ETH_RAMROD)
909 #define CQE_TYPE_FAST(cqe_type) ((cqe_type) == RX_ETH_CQE_TYPE_ETH_FASTPATH)
911 #define ETH_RX_ERROR_FALGS ETH_FAST_PATH_RX_CQE_PHY_DECODE_ERR_FLG
913 #define BNX2X_PRS_FLAG_OVERETH_IPV4(flags) \
914 (((le16_to_cpu(flags) & \
915 PARSING_FLAGS_OVER_ETHERNET_PROTOCOL) >> \
916 PARSING_FLAGS_OVER_ETHERNET_PROTOCOL_SHIFT) \
917 == PRS_FLAG_OVERETH_IPV4)
918 #define BNX2X_RX_SUM_FIX(cqe) \
919 BNX2X_PRS_FLAG_OVERETH_IPV4(cqe->fast_path_cqe.pars_flags.flags)
921 #define FP_USB_FUNC_OFF \
922 offsetof(struct cstorm_status_block_u, func)
923 #define FP_CSB_FUNC_OFF \
924 offsetof(struct cstorm_status_block_c, func)
926 #define HC_INDEX_ETH_RX_CQ_CONS 1
928 #define HC_INDEX_OOO_TX_CQ_CONS 4
930 #define HC_INDEX_ETH_TX_CQ_CONS_COS0 5
932 #define HC_INDEX_ETH_TX_CQ_CONS_COS1 6
934 #define HC_INDEX_ETH_TX_CQ_CONS_COS2 7
936 #define HC_INDEX_ETH_FIRST_TX_CQ_CONS HC_INDEX_ETH_TX_CQ_CONS_COS0
938 #define BNX2X_RX_SB_INDEX \
939 (&fp->sb_index_values[HC_INDEX_ETH_RX_CQ_CONS])
941 #define BNX2X_TX_SB_INDEX_BASE BNX2X_TX_SB_INDEX_COS0
943 #define BNX2X_TX_SB_INDEX_COS0 \
944 (&fp->sb_index_values[HC_INDEX_ETH_TX_CQ_CONS_COS0])
946 /* end of fast path */
950 struct bnx2x_common {
953 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
954 #define CHIP_ID(bp) (bp->common.chip_id & 0xfffffff0)
956 #define CHIP_NUM(bp) (bp->common.chip_id >> 16)
957 #define CHIP_NUM_57710 0x164e
958 #define CHIP_NUM_57711 0x164f
959 #define CHIP_NUM_57711E 0x1650
960 #define CHIP_NUM_57712 0x1662
961 #define CHIP_NUM_57712_MF 0x1663
962 #define CHIP_NUM_57712_VF 0x166f
963 #define CHIP_NUM_57713 0x1651
964 #define CHIP_NUM_57713E 0x1652
965 #define CHIP_NUM_57800 0x168a
966 #define CHIP_NUM_57800_MF 0x16a5
967 #define CHIP_NUM_57800_VF 0x16a9
968 #define CHIP_NUM_57810 0x168e
969 #define CHIP_NUM_57810_MF 0x16ae
970 #define CHIP_NUM_57810_VF 0x16af
971 #define CHIP_NUM_57811 0x163d
972 #define CHIP_NUM_57811_MF 0x163e
973 #define CHIP_NUM_57811_VF 0x163f
974 #define CHIP_NUM_57840_OBSOLETE 0x168d
975 #define CHIP_NUM_57840_MF_OBSOLETE 0x16ab
976 #define CHIP_NUM_57840_4_10 0x16a1
977 #define CHIP_NUM_57840_2_20 0x16a2
978 #define CHIP_NUM_57840_MF 0x16a4
979 #define CHIP_NUM_57840_VF 0x16ad
980 #define CHIP_IS_E1(bp) (CHIP_NUM(bp) == CHIP_NUM_57710)
981 #define CHIP_IS_57711(bp) (CHIP_NUM(bp) == CHIP_NUM_57711)
982 #define CHIP_IS_57711E(bp) (CHIP_NUM(bp) == CHIP_NUM_57711E)
983 #define CHIP_IS_57712(bp) (CHIP_NUM(bp) == CHIP_NUM_57712)
984 #define CHIP_IS_57712_VF(bp) (CHIP_NUM(bp) == CHIP_NUM_57712_VF)
985 #define CHIP_IS_57712_MF(bp) (CHIP_NUM(bp) == CHIP_NUM_57712_MF)
986 #define CHIP_IS_57800(bp) (CHIP_NUM(bp) == CHIP_NUM_57800)
987 #define CHIP_IS_57800_MF(bp) (CHIP_NUM(bp) == CHIP_NUM_57800_MF)
988 #define CHIP_IS_57800_VF(bp) (CHIP_NUM(bp) == CHIP_NUM_57800_VF)
989 #define CHIP_IS_57810(bp) (CHIP_NUM(bp) == CHIP_NUM_57810)
990 #define CHIP_IS_57810_MF(bp) (CHIP_NUM(bp) == CHIP_NUM_57810_MF)
991 #define CHIP_IS_57810_VF(bp) (CHIP_NUM(bp) == CHIP_NUM_57810_VF)
992 #define CHIP_IS_57811(bp) (CHIP_NUM(bp) == CHIP_NUM_57811)
993 #define CHIP_IS_57811_MF(bp) (CHIP_NUM(bp) == CHIP_NUM_57811_MF)
994 #define CHIP_IS_57811_VF(bp) (CHIP_NUM(bp) == CHIP_NUM_57811_VF)
995 #define CHIP_IS_57840(bp) \
996 ((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) || \
997 (CHIP_NUM(bp) == CHIP_NUM_57840_2_20) || \
998 (CHIP_NUM(bp) == CHIP_NUM_57840_OBSOLETE))
999 #define CHIP_IS_57840_MF(bp) ((CHIP_NUM(bp) == CHIP_NUM_57840_MF) || \
1000 (CHIP_NUM(bp) == CHIP_NUM_57840_MF_OBSOLETE))
1001 #define CHIP_IS_57840_VF(bp) (CHIP_NUM(bp) == CHIP_NUM_57840_VF)
1002 #define CHIP_IS_E1H(bp) (CHIP_IS_57711(bp) || \
1004 #define CHIP_IS_57811xx(bp) (CHIP_IS_57811(bp) || \
1005 CHIP_IS_57811_MF(bp) || \
1006 CHIP_IS_57811_VF(bp))
1007 #define CHIP_IS_E2(bp) (CHIP_IS_57712(bp) || \
1008 CHIP_IS_57712_MF(bp) || \
1009 CHIP_IS_57712_VF(bp))
1010 #define CHIP_IS_E3(bp) (CHIP_IS_57800(bp) || \
1011 CHIP_IS_57800_MF(bp) || \
1012 CHIP_IS_57800_VF(bp) || \
1013 CHIP_IS_57810(bp) || \
1014 CHIP_IS_57810_MF(bp) || \
1015 CHIP_IS_57810_VF(bp) || \
1016 CHIP_IS_57811xx(bp) || \
1017 CHIP_IS_57840(bp) || \
1018 CHIP_IS_57840_MF(bp) || \
1019 CHIP_IS_57840_VF(bp))
1020 #define CHIP_IS_E1x(bp) (CHIP_IS_E1((bp)) || CHIP_IS_E1H((bp)))
1021 #define USES_WARPCORE(bp) (CHIP_IS_E3(bp))
1022 #define IS_E1H_OFFSET (!CHIP_IS_E1(bp))
1024 #define CHIP_REV_SHIFT 12
1025 #define CHIP_REV_MASK (0xF << CHIP_REV_SHIFT)
1026 #define CHIP_REV_VAL(bp) (bp->common.chip_id & CHIP_REV_MASK)
1027 #define CHIP_REV_Ax (0x0 << CHIP_REV_SHIFT)
1028 #define CHIP_REV_Bx (0x1 << CHIP_REV_SHIFT)
1029 /* assume maximum 5 revisions */
1030 #define CHIP_REV_IS_SLOW(bp) (CHIP_REV_VAL(bp) > 0x00005000)
1031 /* Emul versions are A=>0xe, B=>0xc, C=>0xa, D=>8, E=>6 */
1032 #define CHIP_REV_IS_EMUL(bp) ((CHIP_REV_IS_SLOW(bp)) && \
1033 !(CHIP_REV_VAL(bp) & 0x00001000))
1034 /* FPGA versions are A=>0xf, B=>0xd, C=>0xb, D=>9, E=>7 */
1035 #define CHIP_REV_IS_FPGA(bp) ((CHIP_REV_IS_SLOW(bp)) && \
1036 (CHIP_REV_VAL(bp) & 0x00001000))
1038 #define CHIP_TIME(bp) ((CHIP_REV_IS_EMUL(bp)) ? 2000 : \
1039 ((CHIP_REV_IS_FPGA(bp)) ? 200 : 1))
1041 #define CHIP_METAL(bp) (bp->common.chip_id & 0x00000ff0)
1042 #define CHIP_BOND_ID(bp) (bp->common.chip_id & 0x0000000f)
1043 #define CHIP_REV_SIM(bp) (((CHIP_REV_MASK - CHIP_REV_VAL(bp)) >>\
1044 (CHIP_REV_SHIFT + 1)) \
1046 #define CHIP_REV(bp) (CHIP_REV_IS_SLOW(bp) ? \
1049 #define CHIP_IS_E3B0(bp) (CHIP_IS_E3(bp) && \
1050 (CHIP_REV(bp) == CHIP_REV_Bx))
1051 #define CHIP_IS_E3A0(bp) (CHIP_IS_E3(bp) && \
1052 (CHIP_REV(bp) == CHIP_REV_Ax))
1053 /* This define is used in two main places:
1054 * 1. In the early stages of nic_load, to know if to configure Parser / Searcher
1055 * to nic-only mode or to offload mode. Offload mode is configured if either the
1056 * chip is E1x (where MIC_MODE register is not applicable), or if cnic already
1057 * registered for this port (which means that the user wants storage services).
1058 * 2. During cnic-related load, to know if offload mode is already configured in
1059 * the HW or needs to be configured.
1060 * Since the transition from nic-mode to offload-mode in HW causes traffic
1061 * corruption, nic-mode is configured only in ports on which storage services
1062 * where never requested.
1064 #define CONFIGURE_NIC_MODE(bp) (!CHIP_IS_E1x(bp) && !CNIC_ENABLED(bp))
1067 #define BNX2X_NVRAM_1MB_SIZE 0x20000 /* 1M bit in bytes */
1068 #define BNX2X_NVRAM_TIMEOUT_COUNT 30000
1069 #define BNX2X_NVRAM_PAGE_SIZE 256
1081 #define INT_BLOCK_HC 0
1082 #define INT_BLOCK_IGU 1
1083 #define INT_BLOCK_MODE_NORMAL 0
1084 #define INT_BLOCK_MODE_BW_COMP 2
1085 #define CHIP_INT_MODE_IS_NBC(bp) \
1086 (!CHIP_IS_E1x(bp) && \
1087 !((bp)->common.int_block & INT_BLOCK_MODE_BW_COMP))
1088 #define CHIP_INT_MODE_IS_BC(bp) (!CHIP_INT_MODE_IS_NBC(bp))
1091 #define CHIP_4_PORT_MODE 0x0
1092 #define CHIP_2_PORT_MODE 0x1
1093 #define CHIP_PORT_MODE_NONE 0x2
1094 #define CHIP_MODE(bp) (bp->common.chip_port_mode)
1095 #define CHIP_MODE_IS_4_PORT(bp) (CHIP_MODE(bp) == CHIP_4_PORT_MODE)
1100 /* IGU MSIX STATISTICS on 57712: 64 for VFs; 4 for PFs; 4 for Attentions */
1101 #define BNX2X_IGU_STAS_MSG_VF_CNT 64
1102 #define BNX2X_IGU_STAS_MSG_PF_CNT 4
1104 #define MAX_IGU_ATTN_ACK_TO 100
1112 u32 link_config[LINK_CONFIG_SIZE];
1114 u32 supported[LINK_CONFIG_SIZE];
1116 u32 advertising[LINK_CONFIG_SIZE];
1120 /* used to synchronize phy accesses */
1121 struct mutex phy_mutex;
1125 struct nig_stats old_nig_stats;
1130 #define STATS_OFFSET32(stat_name) \
1131 (offsetof(struct bnx2x_eth_stats, stat_name) / 4)
1134 #define BNX2X_MAX_NUM_OF_VFS 64
1135 #define BNX2X_VF_CID_WND 4 /* log num of queues per VF. HW config. */
1136 #define BNX2X_CIDS_PER_VF (1 << BNX2X_VF_CID_WND)
1138 /* We need to reserve doorbell addresses for all VF and queue combinations */
1139 #define BNX2X_VF_CIDS (BNX2X_MAX_NUM_OF_VFS * BNX2X_CIDS_PER_VF)
1141 /* The doorbell is configured to have the same number of CIDs for PFs and for
1142 * VFs. For this reason the PF CID zone is as large as the VF zone.
1144 #define BNX2X_FIRST_VF_CID BNX2X_VF_CIDS
1145 #define BNX2X_MAX_NUM_VF_QUEUES 64
1146 #define BNX2X_VF_ID_INVALID 0xFF
1148 /* the number of VF CIDS multiplied by the amount of bytes reserved for each
1149 * cid must not exceed the size of the VF doorbell
1151 #define BNX2X_VF_BAR_SIZE 512
1152 #if (BNX2X_VF_BAR_SIZE < BNX2X_CIDS_PER_VF * (1 << BNX2X_DB_SHIFT))
1153 #error "VF doorbell bar size is 512"
1157 * The total number of L2 queues, MSIX vectors and HW contexts (CIDs) is
1158 * control by the number of fast-path status blocks supported by the
1159 * device (HW/FW). Each fast-path status block (FP-SB) aka non-default
1160 * status block represents an independent interrupts context that can
1161 * serve a regular L2 networking queue. However special L2 queues such
1162 * as the FCoE queue do not require a FP-SB and other components like
1163 * the CNIC may consume FP-SB reducing the number of possible L2 queues
1165 * If the maximum number of FP-SB available is X then:
1166 * a. If CNIC is supported it consumes 1 FP-SB thus the max number of
1167 * regular L2 queues is Y=X-1
1168 * b. In MF mode the actual number of L2 queues is Y= (X-1/MF_factor)
1169 * c. If the FCoE L2 queue is supported the actual number of L2 queues
1171 * d. The number of irqs (MSIX vectors) is either Y+1 (one extra for
1172 * slow-path interrupts) or Y+2 if CNIC is supported (one additional
1173 * FP interrupt context for the CNIC).
1174 * e. The number of HW context (CID count) is always X or X+1 if FCoE
1175 * L2 queue is supported. The cid for the FCoE L2 queue is always X.
1178 /* fast-path interrupt contexts E1x */
1179 #define FP_SB_MAX_E1x 16
1180 /* fast-path interrupt contexts E2 */
1181 #define FP_SB_MAX_E2 HC_SB_MAX_SB_E2
1184 struct eth_context eth;
1188 /* CDU host DB constants */
1189 #define CDU_ILT_PAGE_SZ_HW 2
1190 #define CDU_ILT_PAGE_SZ (8192 << CDU_ILT_PAGE_SZ_HW) /* 32K */
1191 #define ILT_PAGE_CIDS (CDU_ILT_PAGE_SZ / sizeof(union cdu_context))
1193 #define CNIC_ISCSI_CID_MAX 256
1194 #define CNIC_FCOE_CID_MAX 2048
1195 #define CNIC_CID_MAX (CNIC_ISCSI_CID_MAX + CNIC_FCOE_CID_MAX)
1196 #define CNIC_ILT_LINES DIV_ROUND_UP(CNIC_CID_MAX, ILT_PAGE_CIDS)
1198 #define QM_ILT_PAGE_SZ_HW 0
1199 #define QM_ILT_PAGE_SZ (4096 << QM_ILT_PAGE_SZ_HW) /* 4K */
1200 #define QM_CID_ROUND 1024
1202 /* TM (timers) host DB constants */
1203 #define TM_ILT_PAGE_SZ_HW 0
1204 #define TM_ILT_PAGE_SZ (4096 << TM_ILT_PAGE_SZ_HW) /* 4K */
1205 #define TM_CONN_NUM (BNX2X_FIRST_VF_CID + \
1208 #define TM_ILT_SZ (8 * TM_CONN_NUM)
1209 #define TM_ILT_LINES DIV_ROUND_UP(TM_ILT_SZ, TM_ILT_PAGE_SZ)
1211 /* SRC (Searcher) host DB constants */
1212 #define SRC_ILT_PAGE_SZ_HW 0
1213 #define SRC_ILT_PAGE_SZ (4096 << SRC_ILT_PAGE_SZ_HW) /* 4K */
1214 #define SRC_HASH_BITS 10
1215 #define SRC_CONN_NUM (1 << SRC_HASH_BITS) /* 1024 */
1216 #define SRC_ILT_SZ (sizeof(struct src_ent) * SRC_CONN_NUM)
1217 #define SRC_T2_SZ SRC_ILT_SZ
1218 #define SRC_ILT_LINES DIV_ROUND_UP(SRC_ILT_SZ, SRC_ILT_PAGE_SZ)
1220 #define MAX_DMAE_C 8
1222 /* DMA memory not used in fastpath */
1223 struct bnx2x_slowpath {
1225 struct mac_configuration_cmd e1x;
1226 struct eth_classify_rules_ramrod_data e2;
1230 struct tstorm_eth_mac_filter_config e1x;
1231 struct eth_filter_rules_ramrod_data e2;
1235 struct mac_configuration_cmd e1;
1236 struct eth_multicast_rules_ramrod_data e2;
1239 struct eth_rss_update_ramrod_data rss_rdata;
1241 /* Queue State related ramrods are always sent under rtnl_lock */
1243 struct client_init_ramrod_data init_data;
1244 struct client_update_ramrod_data update_data;
1245 struct tpa_update_ramrod_data tpa_data;
1249 struct function_start_data func_start;
1250 /* pfc configuration for DCBX ramrod */
1251 struct flow_control_configuration pfc_config;
1254 /* afex ramrod can not be a part of func_rdata union because these
1255 * events might arrive in parallel to other events from func_rdata.
1256 * Therefore, if they would have been defined in the same union,
1257 * data can get corrupted.
1260 struct afex_vif_list_ramrod_data viflist_data;
1261 struct function_update_data func_update;
1264 /* used by dmae command executer */
1265 struct dmae_command dmae[MAX_DMAE_C];
1268 union mac_stats mac_stats;
1269 struct nig_stats nig_stats;
1270 struct host_port_stats port_stats;
1271 struct host_func_stats func_stats;
1276 union drv_info_to_mcp drv_info_to_mcp;
1279 #define bnx2x_sp(bp, var) (&bp->slowpath->var)
1280 #define bnx2x_sp_mapping(bp, var) \
1281 (bp->slowpath_mapping + offsetof(struct bnx2x_slowpath, var))
1283 /* attn group wiring */
1284 #define MAX_DYNAMIC_ATTN_GRPS 8
1299 union cdu_context *vcxt;
1300 dma_addr_t cxt_mapping;
1309 enum bnx2x_recovery_state {
1310 BNX2X_RECOVERY_DONE,
1311 BNX2X_RECOVERY_INIT,
1312 BNX2X_RECOVERY_WAIT,
1313 BNX2X_RECOVERY_FAILED,
1314 BNX2X_RECOVERY_NIC_LOADING
1318 * Event queue (EQ or event ring) MC hsi
1319 * NUM_EQ_PAGES and EQ_DESC_CNT_PAGE must be power of 2
1321 #define NUM_EQ_PAGES 1
1322 #define EQ_DESC_CNT_PAGE (BCM_PAGE_SIZE / sizeof(union event_ring_elem))
1323 #define EQ_DESC_MAX_PAGE (EQ_DESC_CNT_PAGE - 1)
1324 #define NUM_EQ_DESC (EQ_DESC_CNT_PAGE * NUM_EQ_PAGES)
1325 #define EQ_DESC_MASK (NUM_EQ_DESC - 1)
1326 #define MAX_EQ_AVAIL (EQ_DESC_MAX_PAGE * NUM_EQ_PAGES - 2)
1328 /* depends on EQ_DESC_CNT_PAGE being a power of 2 */
1329 #define NEXT_EQ_IDX(x) ((((x) & EQ_DESC_MAX_PAGE) == \
1330 (EQ_DESC_MAX_PAGE - 1)) ? (x) + 2 : (x) + 1)
1332 /* depends on the above and on NUM_EQ_PAGES being a power of 2 */
1333 #define EQ_DESC(x) ((x) & EQ_DESC_MASK)
1335 #define BNX2X_EQ_INDEX \
1336 (&bp->def_status_blk->sp_sb.\
1337 index_values[HC_SP_INDEX_EQ_CONS])
1339 /* This is a data that will be used to create a link report message.
1340 * We will keep the data used for the last link report in order
1341 * to prevent reporting the same link parameters twice.
1343 struct bnx2x_link_report_data {
1344 u16 line_speed; /* Effective line speed */
1345 unsigned long link_report_flags;/* BNX2X_LINK_REPORT_XXX flags */
1349 BNX2X_LINK_REPORT_FD, /* Full DUPLEX */
1350 BNX2X_LINK_REPORT_LINK_DOWN,
1351 BNX2X_LINK_REPORT_RX_FC_ON,
1352 BNX2X_LINK_REPORT_TX_FC_ON,
1356 BNX2X_PORT_QUERY_IDX,
1358 BNX2X_FCOE_QUERY_IDX,
1359 BNX2X_FIRST_QUEUE_QUERY_IDX,
1362 struct bnx2x_fw_stats_req {
1363 struct stats_query_header hdr;
1364 struct stats_query_entry query[FP_SB_MAX_E1x+
1365 BNX2X_FIRST_QUEUE_QUERY_IDX];
1368 struct bnx2x_fw_stats_data {
1369 struct stats_counter storm_counters;
1370 struct per_port_stats port;
1371 struct per_pf_stats pf;
1372 struct fcoe_statistics_params fcoe;
1373 struct per_queue_stats queue_stats[1];
1376 /* Public slow path states */
1378 BNX2X_SP_RTNL_SETUP_TC,
1379 BNX2X_SP_RTNL_TX_TIMEOUT,
1380 BNX2X_SP_RTNL_FAN_FAILURE,
1381 BNX2X_SP_RTNL_AFEX_F_UPDATE,
1382 BNX2X_SP_RTNL_ENABLE_SRIOV,
1383 BNX2X_SP_RTNL_VFPF_MCAST,
1384 BNX2X_SP_RTNL_VFPF_CHANNEL_DOWN,
1385 BNX2X_SP_RTNL_RX_MODE,
1386 BNX2X_SP_RTNL_HYPERVISOR_VLAN,
1387 BNX2X_SP_RTNL_TX_STOP,
1388 BNX2X_SP_RTNL_GET_DRV_VERSION,
1391 enum bnx2x_iov_flag {
1392 BNX2X_IOV_HANDLE_VF_MSG,
1393 BNX2X_IOV_HANDLE_FLR,
1396 struct bnx2x_prev_path_list {
1397 struct list_head list;
1405 struct bnx2x_sp_objs {
1407 struct bnx2x_vlan_mac_obj mac_obj;
1409 /* Queue State object */
1410 struct bnx2x_queue_sp_obj q_obj;
1413 struct bnx2x_fp_stats {
1414 struct tstorm_per_queue_stats old_tclient;
1415 struct ustorm_per_queue_stats old_uclient;
1416 struct xstorm_per_queue_stats old_xclient;
1417 struct bnx2x_eth_q_stats eth_q_stats;
1418 struct bnx2x_eth_q_stats_old eth_q_stats_old;
1422 SUB_MF_MODE_UNKNOWN = 0,
1424 SUB_MF_MODE_NPAR1_DOT_5,
1428 /* Fields used in the tx and intr/napi performance paths
1429 * are grouped together in the beginning of the structure
1431 struct bnx2x_fastpath *fp;
1432 struct bnx2x_sp_objs *sp_objs;
1433 struct bnx2x_fp_stats *fp_stats;
1434 struct bnx2x_fp_txdata *bnx2x_txq;
1435 void __iomem *regview;
1436 void __iomem *doorbells;
1439 u8 pf_num; /* absolute PF number */
1440 u8 pfid; /* per-path PF number */
1441 int base_fw_ndsb; /**/
1442 #define BP_PATH(bp) (CHIP_IS_E1x(bp) ? 0 : (bp->pf_num & 1))
1443 #define BP_PORT(bp) (bp->pfid & 1)
1444 #define BP_FUNC(bp) (bp->pfid)
1445 #define BP_ABS_FUNC(bp) (bp->pf_num)
1446 #define BP_VN(bp) ((bp)->pfid >> 1)
1447 #define BP_MAX_VN_NUM(bp) (CHIP_MODE_IS_4_PORT(bp) ? 2 : 4)
1448 #define BP_L_ID(bp) (BP_VN(bp) << 2)
1449 #define BP_FW_MB_IDX_VN(bp, vn) (BP_PORT(bp) +\
1450 (vn) * ((CHIP_IS_E1x(bp) || (CHIP_MODE_IS_4_PORT(bp))) ? 2 : 1))
1451 #define BP_FW_MB_IDX(bp) BP_FW_MB_IDX_VN(bp, BP_VN(bp))
1453 #ifdef CONFIG_BNX2X_SRIOV
1454 /* protects vf2pf mailbox from simultaneous access */
1455 struct mutex vf2pf_mutex;
1456 /* vf pf channel mailbox contains request and response buffers */
1457 struct bnx2x_vf_mbx_msg *vf2pf_mbox;
1458 dma_addr_t vf2pf_mbox_mapping;
1460 /* we set aside a copy of the acquire response */
1461 struct pfvf_acquire_resp_tlv acquire_resp;
1463 /* bulletin board for messages from pf to vf */
1464 union pf_vf_bulletin *pf2vf_bulletin;
1465 dma_addr_t pf2vf_bulletin_mapping;
1467 union pf_vf_bulletin shadow_bulletin;
1468 struct pf_vf_bulletin_content old_bulletin;
1470 u16 requested_nr_virtfn;
1471 #endif /* CONFIG_BNX2X_SRIOV */
1473 struct net_device *dev;
1474 struct pci_dev *pdev;
1476 const struct iro *iro_arr;
1477 #define IRO (bp->iro_arr)
1479 enum bnx2x_recovery_state recovery_state;
1481 struct msix_entry *msix_table;
1485 /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
1486 #define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
1487 #define ETH_MIN_PACKET_SIZE 60
1488 #define ETH_MAX_PACKET_SIZE 1500
1489 #define ETH_MAX_JUMBO_PACKET_SIZE 9600
1490 /* TCP with Timestamp Option (32) + IPv6 (40) */
1491 #define ETH_MAX_TPA_HEADER_SIZE 72
1493 /* Max supported alignment is 256 (8 shift)
1494 * minimal alignment shift 6 is optimal for 57xxx HW performance
1496 #define BNX2X_RX_ALIGN_SHIFT max(6, min(8, L1_CACHE_SHIFT))
1498 /* FW uses 2 Cache lines Alignment for start packet and size
1500 * We assume skb_build() uses sizeof(struct skb_shared_info) bytes
1501 * at the end of skb->data, to avoid wasting a full cache line.
1502 * This reduces memory use (skb->truesize).
1504 #define BNX2X_FW_RX_ALIGN_START (1UL << BNX2X_RX_ALIGN_SHIFT)
1506 #define BNX2X_FW_RX_ALIGN_END \
1507 max_t(u64, 1UL << BNX2X_RX_ALIGN_SHIFT, \
1508 SKB_DATA_ALIGN(sizeof(struct skb_shared_info)))
1510 #define BNX2X_PXP_DRAM_ALIGN (BNX2X_RX_ALIGN_SHIFT - 5)
1512 struct host_sp_status_block *def_status_blk;
1513 #define DEF_SB_IGU_ID 16
1514 #define DEF_SB_ID HC_SP_SB_ID
1518 struct attn_route attn_group[MAX_DYNAMIC_ATTN_GRPS];
1520 /* slow path ring */
1521 struct eth_spe *spq;
1522 dma_addr_t spq_mapping;
1524 struct eth_spe *spq_prod_bd;
1525 struct eth_spe *spq_last_bd;
1526 __le16 *dsb_sp_prod;
1527 atomic_t cq_spq_left; /* ETH_XXX ramrods credit */
1528 /* used to synchronize spq accesses */
1529 spinlock_t spq_lock;
1532 union event_ring_elem *eq_ring;
1533 dma_addr_t eq_mapping;
1537 atomic_t eq_spq_left; /* COMMON_XXX ramrods credit */
1539 /* Counter for marking that there is a STAT_QUERY ramrod pending */
1541 /* Counter for completed statistics ramrods */
1544 /* End of fields used in the performance code paths */
1550 #define PCIX_FLAG (1 << 0)
1551 #define PCI_32BIT_FLAG (1 << 1)
1552 #define ONE_PORT_FLAG (1 << 2)
1553 #define NO_WOL_FLAG (1 << 3)
1554 #define USING_MSIX_FLAG (1 << 5)
1555 #define USING_MSI_FLAG (1 << 6)
1556 #define DISABLE_MSI_FLAG (1 << 7)
1557 #define NO_MCP_FLAG (1 << 9)
1558 #define MF_FUNC_DIS (1 << 11)
1559 #define OWN_CNIC_IRQ (1 << 12)
1560 #define NO_ISCSI_OOO_FLAG (1 << 13)
1561 #define NO_ISCSI_FLAG (1 << 14)
1562 #define NO_FCOE_FLAG (1 << 15)
1563 #define BC_SUPPORTS_PFC_STATS (1 << 17)
1564 #define TX_SWITCHING (1 << 18)
1565 #define BC_SUPPORTS_FCOE_FEATURES (1 << 19)
1566 #define USING_SINGLE_MSIX_FLAG (1 << 20)
1567 #define BC_SUPPORTS_DCBX_MSG_NON_PMF (1 << 21)
1568 #define IS_VF_FLAG (1 << 22)
1569 #define BC_SUPPORTS_RMMOD_CMD (1 << 23)
1570 #define HAS_PHYS_PORT_ID (1 << 24)
1571 #define AER_ENABLED (1 << 25)
1572 #define PTP_SUPPORTED (1 << 26)
1573 #define TX_TIMESTAMPING_EN (1 << 27)
1575 #define BP_NOMCP(bp) ((bp)->flags & NO_MCP_FLAG)
1577 #ifdef CONFIG_BNX2X_SRIOV
1578 #define IS_VF(bp) ((bp)->flags & IS_VF_FLAG)
1579 #define IS_PF(bp) (!((bp)->flags & IS_VF_FLAG))
1581 #define IS_VF(bp) false
1582 #define IS_PF(bp) true
1585 #define NO_ISCSI(bp) ((bp)->flags & NO_ISCSI_FLAG)
1586 #define NO_ISCSI_OOO(bp) ((bp)->flags & NO_ISCSI_OOO_FLAG)
1587 #define NO_FCOE(bp) ((bp)->flags & NO_FCOE_FLAG)
1592 struct cnic_eth_dev *(*cnic_probe)(struct net_device *);
1594 /* Flag that indicates that we can start looking for FCoE L2 queue
1595 * completions in the default status block.
1601 struct delayed_work sp_task;
1602 struct delayed_work iov_task;
1604 atomic_t interrupt_occurred;
1605 struct delayed_work sp_rtnl_task;
1607 struct delayed_work period_task;
1608 struct timer_list timer;
1609 int current_interval;
1612 u16 fw_drv_pulse_wr_seq;
1615 struct link_params link_params;
1616 struct link_vars link_vars;
1618 struct bnx2x_link_report_data last_reported_link;
1620 struct mdio_if_info mdio;
1622 struct bnx2x_common common;
1623 struct bnx2x_port port;
1625 struct cmng_init cmng;
1627 u32 mf_config[E1HVN_MAX];
1629 u32 path_has_ovlan; /* E3 */
1632 #define IS_MF(bp) (bp->mf_mode != 0)
1633 #define IS_MF_SI(bp) (bp->mf_mode == MULTI_FUNCTION_SI)
1634 #define IS_MF_SD(bp) (bp->mf_mode == MULTI_FUNCTION_SD)
1635 #define IS_MF_AFEX(bp) (bp->mf_mode == MULTI_FUNCTION_AFEX)
1637 #define IS_MF_UFP(bp) (IS_MF_SD(bp) && \
1638 bp->mf_sub_mode == SUB_MF_MODE_UFP)
1644 u16 tx_quick_cons_trip_int;
1645 u16 tx_quick_cons_trip;
1649 u16 rx_quick_cons_trip_int;
1650 u16 rx_quick_cons_trip;
1653 /* Maximal coalescing timeout in us */
1654 #define BNX2X_MAX_COALESCE_TOUT (0xff*BNX2X_BTR)
1659 #define BNX2X_STATE_CLOSED 0
1660 #define BNX2X_STATE_OPENING_WAIT4_LOAD 0x1000
1661 #define BNX2X_STATE_OPENING_WAIT4_PORT 0x2000
1662 #define BNX2X_STATE_OPEN 0x3000
1663 #define BNX2X_STATE_CLOSING_WAIT4_HALT 0x4000
1664 #define BNX2X_STATE_CLOSING_WAIT4_DELETE 0x5000
1666 #define BNX2X_STATE_DIAG 0xe000
1667 #define BNX2X_STATE_ERROR 0xf000
1669 #define BNX2X_MAX_PRIORITY 8
1671 uint num_ethernet_queues;
1672 uint num_cnic_queues;
1676 #define BNX2X_RX_MODE_NONE 0
1677 #define BNX2X_RX_MODE_NORMAL 1
1678 #define BNX2X_RX_MODE_ALLMULTI 2
1679 #define BNX2X_RX_MODE_PROMISC 3
1680 #define BNX2X_MAX_MULTICAST 64
1685 u8 min_msix_vec_cnt;
1688 dma_addr_t def_status_blk_mapping;
1690 struct bnx2x_slowpath *slowpath;
1691 dma_addr_t slowpath_mapping;
1693 /* Mechanism protecting the drv_info_to_mcp */
1694 struct mutex drv_info_mutex;
1695 bool drv_info_mng_owner;
1697 /* Total number of FW statistics requests */
1701 * This is a memory buffer that will contain both statistics
1702 * ramrod request and data.
1705 dma_addr_t fw_stats_mapping;
1708 * FW statistics request shortcut (points at the
1709 * beginning of fw_stats buffer).
1711 struct bnx2x_fw_stats_req *fw_stats_req;
1712 dma_addr_t fw_stats_req_mapping;
1713 int fw_stats_req_sz;
1716 * FW statistics data shortcut (points at the beginning of
1717 * fw_stats buffer + fw_stats_req_sz).
1719 struct bnx2x_fw_stats_data *fw_stats_data;
1720 dma_addr_t fw_stats_data_mapping;
1721 int fw_stats_data_sz;
1723 /* For max 1024 cids (VF RSS), 32KB ILT page size and 1KB
1724 * context size we need 8 ILT entries.
1726 #define ILT_MAX_L2_LINES 32
1727 struct hw_context context[ILT_MAX_L2_LINES];
1729 struct bnx2x_ilt *ilt;
1730 #define BP_ILT(bp) ((bp)->ilt)
1731 #define ILT_MAX_LINES 256
1733 * Maximum supported number of RSS queues: number of IGU SBs minus one that goes
1736 #define BNX2X_MAX_RSS_COUNT(bp) ((bp)->igu_sb_cnt - CNIC_SUPPORT(bp))
1739 * Maximum CID count that might be required by the bnx2x:
1740 * Max RSS * Max_Tx_Multi_Cos + FCoE + iSCSI
1743 #define BNX2X_L2_CID_COUNT(bp) (BNX2X_NUM_ETH_QUEUES(bp) * BNX2X_MULTI_TX_COS \
1744 + CNIC_SUPPORT(bp) * (2 + UIO_CID_PAD(bp)))
1745 #define BNX2X_L2_MAX_CID(bp) (BNX2X_MAX_RSS_COUNT(bp) * BNX2X_MULTI_TX_COS \
1746 + CNIC_SUPPORT(bp) * (2 + UIO_CID_PAD(bp)))
1747 #define L2_ILT_LINES(bp) (DIV_ROUND_UP(BNX2X_L2_CID_COUNT(bp),\
1755 dma_addr_t t2_mapping;
1756 struct cnic_ops __rcu *cnic_ops;
1759 struct cnic_eth_dev cnic_eth_dev;
1760 union host_hc_status_block cnic_sb;
1761 dma_addr_t cnic_sb_mapping;
1762 struct eth_spe *cnic_kwq;
1763 struct eth_spe *cnic_kwq_prod;
1764 struct eth_spe *cnic_kwq_cons;
1765 struct eth_spe *cnic_kwq_last;
1766 u16 cnic_kwq_pending;
1767 u16 cnic_spq_pending;
1768 u8 fip_mac[ETH_ALEN];
1769 struct mutex cnic_mutex;
1770 struct bnx2x_vlan_mac_obj iscsi_l2_mac_obj;
1772 /* Start index of the "special" (CNIC related) L2 clients */
1776 /* used to synchronize dmae accesses */
1777 spinlock_t dmae_lock;
1779 /* used to protect the FW mail box */
1780 struct mutex fw_mb_mutex;
1782 /* used to synchronize stats collecting */
1785 /* used for synchronization of concurrent threads statistics handling */
1786 struct semaphore stats_lock;
1788 /* used by dmae command loader */
1789 struct dmae_command stats_dmae;
1793 struct bnx2x_eth_stats eth_stats;
1794 struct host_func_stats func_stats;
1795 struct bnx2x_eth_stats_old eth_stats_old;
1796 struct bnx2x_net_stats_old net_stats_old;
1797 struct bnx2x_fw_port_stats_old fw_stats_old;
1800 struct z_stream_s *strm;
1802 dma_addr_t gunzip_mapping;
1804 #define FW_BUF_SIZE 0x8000
1805 #define GUNZIP_BUF(bp) (bp->gunzip_buf)
1806 #define GUNZIP_PHYS(bp) (bp->gunzip_mapping)
1807 #define GUNZIP_OUTLEN(bp) (bp->gunzip_outlen)
1809 struct raw_op *init_ops;
1810 /* Init blocks offsets inside init_ops */
1811 u16 *init_ops_offsets;
1812 /* Data blob - has 32 bit granularity */
1814 u32 init_mode_flags;
1815 #define INIT_MODE_FLAGS(bp) (bp->init_mode_flags)
1816 /* Zipped PRAM blobs - raw data */
1817 const u8 *tsem_int_table_data;
1818 const u8 *tsem_pram_data;
1819 const u8 *usem_int_table_data;
1820 const u8 *usem_pram_data;
1821 const u8 *xsem_int_table_data;
1822 const u8 *xsem_pram_data;
1823 const u8 *csem_int_table_data;
1824 const u8 *csem_pram_data;
1825 #define INIT_OPS(bp) (bp->init_ops)
1826 #define INIT_OPS_OFFSETS(bp) (bp->init_ops_offsets)
1827 #define INIT_DATA(bp) (bp->init_data)
1828 #define INIT_TSEM_INT_TABLE_DATA(bp) (bp->tsem_int_table_data)
1829 #define INIT_TSEM_PRAM_DATA(bp) (bp->tsem_pram_data)
1830 #define INIT_USEM_INT_TABLE_DATA(bp) (bp->usem_int_table_data)
1831 #define INIT_USEM_PRAM_DATA(bp) (bp->usem_pram_data)
1832 #define INIT_XSEM_INT_TABLE_DATA(bp) (bp->xsem_int_table_data)
1833 #define INIT_XSEM_PRAM_DATA(bp) (bp->xsem_pram_data)
1834 #define INIT_CSEM_INT_TABLE_DATA(bp) (bp->csem_int_table_data)
1835 #define INIT_CSEM_PRAM_DATA(bp) (bp->csem_pram_data)
1837 #define PHY_FW_VER_LEN 20
1839 const struct firmware *firmware;
1841 struct bnx2x_vfdb *vfdb;
1842 #define IS_SRIOV(bp) ((bp)->vfdb)
1844 /* DCB support on/off */
1846 #define BNX2X_DCB_STATE_OFF 0
1847 #define BNX2X_DCB_STATE_ON 1
1849 /* DCBX engine mode */
1851 #define BNX2X_DCBX_ENABLED_OFF 0
1852 #define BNX2X_DCBX_ENABLED_ON_NEG_OFF 1
1853 #define BNX2X_DCBX_ENABLED_ON_NEG_ON 2
1854 #define BNX2X_DCBX_ENABLED_INVALID (-1)
1856 bool dcbx_mode_uset;
1858 struct bnx2x_config_dcbx_params dcbx_config_params;
1859 struct bnx2x_dcbx_port_params dcbx_port_params;
1862 /* CAM credit pools */
1864 /* used only in sriov */
1865 struct bnx2x_credit_pool_obj vlans_pool;
1867 struct bnx2x_credit_pool_obj macs_pool;
1869 /* RX_MODE object */
1870 struct bnx2x_rx_mode_obj rx_mode_obj;
1873 struct bnx2x_mcast_obj mcast_obj;
1875 /* RSS configuration object */
1876 struct bnx2x_rss_config_obj rss_conf_obj;
1878 /* Function State controlling object */
1879 struct bnx2x_func_sp_obj func_obj;
1881 unsigned long sp_state;
1883 /* operation indication for the sp_rtnl task */
1884 unsigned long sp_rtnl_state;
1886 /* Indication of the IOV tasks */
1887 unsigned long iov_task_state;
1889 /* DCBX Negotiation results */
1890 struct dcbx_features dcbx_local_feat;
1894 struct dcbx_features dcbx_remote_feat;
1895 u32 dcbx_remote_flags;
1897 /* AFEX: store default vlan used */
1898 int afex_def_vlan_tag;
1899 enum mf_cfg_afex_vlan_mode afex_vlan_mode;
1902 /* multiple tx classes of service */
1905 /* priority to cos mapping */
1909 u32 dump_preset_idx;
1911 u8 phys_port_id[ETH_ALEN];
1913 /* PTP related context */
1914 struct ptp_clock *ptp_clock;
1915 struct ptp_clock_info ptp_clock_info;
1916 struct work_struct ptp_task;
1917 struct cyclecounter cyclecounter;
1918 struct timecounter timecounter;
1919 bool timecounter_init_done;
1920 struct sk_buff *ptp_tx_skb;
1921 unsigned long ptp_tx_start;
1922 bool hwtstamp_ioctl_called;
1926 struct bnx2x_link_report_data vf_link_vars;
1929 /* Tx queues may be less or equal to Rx queues */
1930 extern int num_queues;
1931 #define BNX2X_NUM_QUEUES(bp) (bp->num_queues)
1932 #define BNX2X_NUM_ETH_QUEUES(bp) ((bp)->num_ethernet_queues)
1933 #define BNX2X_NUM_NON_CNIC_QUEUES(bp) (BNX2X_NUM_QUEUES(bp) - \
1934 (bp)->num_cnic_queues)
1935 #define BNX2X_NUM_RX_QUEUES(bp) BNX2X_NUM_QUEUES(bp)
1937 #define is_multi(bp) (BNX2X_NUM_QUEUES(bp) > 1)
1939 #define BNX2X_MAX_QUEUES(bp) BNX2X_MAX_RSS_COUNT(bp)
1940 /* #define is_eth_multi(bp) (BNX2X_NUM_ETH_QUEUES(bp) > 1) */
1942 #define RSS_IPV4_CAP_MASK \
1943 TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_IPV4_CAPABILITY
1945 #define RSS_IPV4_TCP_CAP_MASK \
1946 TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_IPV4_TCP_CAPABILITY
1948 #define RSS_IPV6_CAP_MASK \
1949 TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_IPV6_CAPABILITY
1951 #define RSS_IPV6_TCP_CAP_MASK \
1952 TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_IPV6_TCP_CAPABILITY
1954 /* func init flags */
1955 #define FUNC_FLG_RSS 0x0001
1956 #define FUNC_FLG_STATS 0x0002
1957 /* removed FUNC_FLG_UNMATCHED 0x0004 */
1958 #define FUNC_FLG_TPA 0x0008
1959 #define FUNC_FLG_SPQ 0x0010
1960 #define FUNC_FLG_LEADING 0x0020 /* PF only */
1961 #define FUNC_FLG_LEADING_STATS 0x0040
1962 struct bnx2x_func_init_params {
1964 dma_addr_t fw_stat_map; /* valid iff FUNC_FLG_STATS */
1965 dma_addr_t spq_map; /* valid iff FUNC_FLG_SPQ */
1968 u16 func_id; /* abs fid */
1970 u16 spq_prod; /* valid iff FUNC_FLG_SPQ */
1973 #define for_each_cnic_queue(bp, var) \
1974 for ((var) = BNX2X_NUM_ETH_QUEUES(bp); (var) < BNX2X_NUM_QUEUES(bp); \
1976 if (skip_queue(bp, var)) \
1980 #define for_each_eth_queue(bp, var) \
1981 for ((var) = 0; (var) < BNX2X_NUM_ETH_QUEUES(bp); (var)++)
1983 #define for_each_nondefault_eth_queue(bp, var) \
1984 for ((var) = 1; (var) < BNX2X_NUM_ETH_QUEUES(bp); (var)++)
1986 #define for_each_queue(bp, var) \
1987 for ((var) = 0; (var) < BNX2X_NUM_QUEUES(bp); (var)++) \
1988 if (skip_queue(bp, var)) \
1992 /* Skip forwarding FP */
1993 #define for_each_valid_rx_queue(bp, var) \
1995 (var) < (CNIC_LOADED(bp) ? BNX2X_NUM_QUEUES(bp) : \
1996 BNX2X_NUM_ETH_QUEUES(bp)); \
1998 if (skip_rx_queue(bp, var)) \
2002 #define for_each_rx_queue_cnic(bp, var) \
2003 for ((var) = BNX2X_NUM_ETH_QUEUES(bp); (var) < BNX2X_NUM_QUEUES(bp); \
2005 if (skip_rx_queue(bp, var)) \
2009 #define for_each_rx_queue(bp, var) \
2010 for ((var) = 0; (var) < BNX2X_NUM_QUEUES(bp); (var)++) \
2011 if (skip_rx_queue(bp, var)) \
2016 #define for_each_valid_tx_queue(bp, var) \
2018 (var) < (CNIC_LOADED(bp) ? BNX2X_NUM_QUEUES(bp) : \
2019 BNX2X_NUM_ETH_QUEUES(bp)); \
2021 if (skip_tx_queue(bp, var)) \
2025 #define for_each_tx_queue_cnic(bp, var) \
2026 for ((var) = BNX2X_NUM_ETH_QUEUES(bp); (var) < BNX2X_NUM_QUEUES(bp); \
2028 if (skip_tx_queue(bp, var)) \
2032 #define for_each_tx_queue(bp, var) \
2033 for ((var) = 0; (var) < BNX2X_NUM_QUEUES(bp); (var)++) \
2034 if (skip_tx_queue(bp, var)) \
2038 #define for_each_nondefault_queue(bp, var) \
2039 for ((var) = 1; (var) < BNX2X_NUM_QUEUES(bp); (var)++) \
2040 if (skip_queue(bp, var)) \
2044 #define for_each_cos_in_tx_queue(fp, var) \
2045 for ((var) = 0; (var) < (fp)->max_cos; (var)++)
2048 * if FCOE l2 support is disabled and this is the fcoe L2 queue
2050 #define skip_rx_queue(bp, idx) (NO_FCOE(bp) && IS_FCOE_IDX(idx))
2053 * if FCOE l2 support is disabled and this is the fcoe L2 queue
2055 #define skip_tx_queue(bp, idx) (NO_FCOE(bp) && IS_FCOE_IDX(idx))
2057 #define skip_queue(bp, idx) (NO_FCOE(bp) && IS_FCOE_IDX(idx))
2060 * bnx2x_set_mac_one - configure a single MAC address
2062 * @bp: driver handle
2063 * @mac: MAC to configure
2064 * @obj: MAC object handle
2065 * @set: if 'true' add a new MAC, otherwise - delete
2066 * @mac_type: the type of the MAC to configure (e.g. ETH, UC list)
2067 * @ramrod_flags: RAMROD_XXX flags (e.g. RAMROD_CONT, RAMROD_COMP_WAIT)
2069 * Configures one MAC according to provided parameters or continues the
2070 * execution of previously scheduled commands if RAMROD_CONT is set in
2073 * Returns zero if operation has successfully completed, a positive value if the
2074 * operation has been successfully scheduled and a negative - if a requested
2075 * operations has failed.
2077 int bnx2x_set_mac_one(struct bnx2x *bp, u8 *mac,
2078 struct bnx2x_vlan_mac_obj *obj, bool set,
2079 int mac_type, unsigned long *ramrod_flags);
2081 * bnx2x_del_all_macs - delete all MACs configured for the specific MAC object
2083 * @bp: driver handle
2084 * @mac_obj: MAC object handle
2085 * @mac_type: type of the MACs to clear (BNX2X_XXX_MAC)
2086 * @wait_for_comp: if 'true' block until completion
2088 * Deletes all MACs of the specific type (e.g. ETH, UC list).
2090 * Returns zero if operation has successfully completed, a positive value if the
2091 * operation has been successfully scheduled and a negative - if a requested
2092 * operations has failed.
2094 int bnx2x_del_all_macs(struct bnx2x *bp,
2095 struct bnx2x_vlan_mac_obj *mac_obj,
2096 int mac_type, bool wait_for_comp);
2098 /* Init Function API */
2099 void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p);
2100 void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
2101 u8 vf_valid, int fw_sb_id, int igu_sb_id);
2102 int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port);
2103 int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port);
2104 int bnx2x_set_mult_gpio(struct bnx2x *bp, u8 pins, u32 mode);
2105 int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port);
2106 void bnx2x_read_mf_cfg(struct bnx2x *bp);
2108 int bnx2x_pretend_func(struct bnx2x *bp, u16 pretend_func_val);
2111 void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32);
2112 void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
2114 void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, int idx);
2115 u32 bnx2x_dmae_opcode_add_comp(u32 opcode, u8 comp_type);
2116 u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode);
2117 u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
2118 bool with_comp, u8 comp_type);
2120 void bnx2x_prep_dmae_with_comp(struct bnx2x *bp, struct dmae_command *dmae,
2121 u8 src_type, u8 dst_type);
2122 int bnx2x_issue_dmae_with_comp(struct bnx2x *bp, struct dmae_command *dmae,
2125 /* FLR related routines */
2126 u32 bnx2x_flr_clnup_poll_count(struct bnx2x *bp);
2127 void bnx2x_tx_hw_flushed(struct bnx2x *bp, u32 poll_count);
2128 int bnx2x_send_final_clnup(struct bnx2x *bp, u8 clnup_func, u32 poll_cnt);
2129 u8 bnx2x_is_pcie_pending(struct pci_dev *dev);
2130 int bnx2x_flr_clnup_poll_hw_counter(struct bnx2x *bp, u32 reg,
2131 char *msg, u32 poll_cnt);
2133 void bnx2x_calc_fc_adv(struct bnx2x *bp);
2134 int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
2135 u32 data_hi, u32 data_lo, int cmd_type);
2136 void bnx2x_update_coalesce(struct bnx2x *bp);
2137 int bnx2x_get_cur_phy_idx(struct bnx2x *bp);
2139 bool bnx2x_port_after_undi(struct bnx2x *bp);
2141 static inline u32 reg_poll(struct bnx2x *bp, u32 reg, u32 expected, int ms,
2147 val = REG_RD(bp, reg);
2148 if (val == expected)
2158 void bnx2x_igu_clear_sb_gen(struct bnx2x *bp, u8 func, u8 idu_sb_id,
2161 #define BNX2X_ILT_ZALLOC(x, y, size) \
2162 x = dma_zalloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL)
2164 #define BNX2X_ILT_FREE(x, y, size) \
2167 dma_free_coherent(&bp->pdev->dev, size, x, y); \
2173 #define ILOG2(x) (ilog2((x)))
2175 #define ILT_NUM_PAGE_ENTRIES (3072)
2176 /* In 57710/11 we use whole table since we have 8 func
2177 * In 57712 we have only 4 func, but use same size per func, then only half of
2180 #define ILT_PER_FUNC (ILT_NUM_PAGE_ENTRIES/8)
2182 #define FUNC_ILT_BASE(func) (func * ILT_PER_FUNC)
2184 * the phys address is shifted right 12 bits and has an added
2185 * 1=valid bit added to the 53rd bit
2186 * then since this is a wide register(TM)
2187 * we split it into two 32 bit writes
2189 #define ONCHIP_ADDR1(x) ((u32)(((u64)x >> 12) & 0xFFFFFFFF))
2190 #define ONCHIP_ADDR2(x) ((u32)((1 << 20) | ((u64)x >> 44)))
2192 /* load/unload mode */
2193 #define LOAD_NORMAL 0
2196 #define LOAD_LOOPBACK_EXT 3
2197 #define UNLOAD_NORMAL 0
2198 #define UNLOAD_CLOSE 1
2199 #define UNLOAD_RECOVERY 2
2201 /* DMAE command defines */
2202 #define DMAE_TIMEOUT -1
2203 #define DMAE_PCI_ERROR -2 /* E2 and onward */
2204 #define DMAE_NOT_RDY -3
2205 #define DMAE_PCI_ERR_FLAG 0x80000000
2207 #define DMAE_SRC_PCI 0
2208 #define DMAE_SRC_GRC 1
2210 #define DMAE_DST_NONE 0
2211 #define DMAE_DST_PCI 1
2212 #define DMAE_DST_GRC 2
2214 #define DMAE_COMP_PCI 0
2215 #define DMAE_COMP_GRC 1
2217 /* E2 and onward - PCI error handling in the completion */
2219 #define DMAE_COMP_REGULAR 0
2220 #define DMAE_COM_SET_ERR 1
2222 #define DMAE_CMD_SRC_PCI (DMAE_SRC_PCI << \
2223 DMAE_COMMAND_SRC_SHIFT)
2224 #define DMAE_CMD_SRC_GRC (DMAE_SRC_GRC << \
2225 DMAE_COMMAND_SRC_SHIFT)
2227 #define DMAE_CMD_DST_PCI (DMAE_DST_PCI << \
2228 DMAE_COMMAND_DST_SHIFT)
2229 #define DMAE_CMD_DST_GRC (DMAE_DST_GRC << \
2230 DMAE_COMMAND_DST_SHIFT)
2232 #define DMAE_CMD_C_DST_PCI (DMAE_COMP_PCI << \
2233 DMAE_COMMAND_C_DST_SHIFT)
2234 #define DMAE_CMD_C_DST_GRC (DMAE_COMP_GRC << \
2235 DMAE_COMMAND_C_DST_SHIFT)
2237 #define DMAE_CMD_C_ENABLE DMAE_COMMAND_C_TYPE_ENABLE
2239 #define DMAE_CMD_ENDIANITY_NO_SWAP (0 << DMAE_COMMAND_ENDIANITY_SHIFT)
2240 #define DMAE_CMD_ENDIANITY_B_SWAP (1 << DMAE_COMMAND_ENDIANITY_SHIFT)
2241 #define DMAE_CMD_ENDIANITY_DW_SWAP (2 << DMAE_COMMAND_ENDIANITY_SHIFT)
2242 #define DMAE_CMD_ENDIANITY_B_DW_SWAP (3 << DMAE_COMMAND_ENDIANITY_SHIFT)
2244 #define DMAE_CMD_PORT_0 0
2245 #define DMAE_CMD_PORT_1 DMAE_COMMAND_PORT
2247 #define DMAE_CMD_SRC_RESET DMAE_COMMAND_SRC_RESET
2248 #define DMAE_CMD_DST_RESET DMAE_COMMAND_DST_RESET
2249 #define DMAE_CMD_E1HVN_SHIFT DMAE_COMMAND_E1HVN_SHIFT
2251 #define DMAE_SRC_PF 0
2252 #define DMAE_SRC_VF 1
2254 #define DMAE_DST_PF 0
2255 #define DMAE_DST_VF 1
2257 #define DMAE_C_SRC 0
2258 #define DMAE_C_DST 1
2260 #define DMAE_LEN32_RD_MAX 0x80
2261 #define DMAE_LEN32_WR_MAX(bp) (CHIP_IS_E1(bp) ? 0x400 : 0x2000)
2263 #define DMAE_COMP_VAL 0x60d0d0ae /* E2 and on - upper bit
2267 #define MAX_DMAE_C_PER_PORT 8
2268 #define INIT_DMAE_C(bp) (BP_PORT(bp) * MAX_DMAE_C_PER_PORT + \
2270 #define PMF_DMAE_C(bp) (BP_PORT(bp) * MAX_DMAE_C_PER_PORT + \
2273 /* PCIE link and speed */
2274 #define PCICFG_LINK_WIDTH 0x1f00000
2275 #define PCICFG_LINK_WIDTH_SHIFT 20
2276 #define PCICFG_LINK_SPEED 0xf0000
2277 #define PCICFG_LINK_SPEED_SHIFT 16
2279 #define BNX2X_NUM_TESTS_SF 7
2280 #define BNX2X_NUM_TESTS_MF 3
2281 #define BNX2X_NUM_TESTS(bp) (IS_MF(bp) ? BNX2X_NUM_TESTS_MF : \
2282 IS_VF(bp) ? 0 : BNX2X_NUM_TESTS_SF)
2284 #define BNX2X_PHY_LOOPBACK 0
2285 #define BNX2X_MAC_LOOPBACK 1
2286 #define BNX2X_EXT_LOOPBACK 2
2287 #define BNX2X_PHY_LOOPBACK_FAILED 1
2288 #define BNX2X_MAC_LOOPBACK_FAILED 2
2289 #define BNX2X_EXT_LOOPBACK_FAILED 3
2290 #define BNX2X_LOOPBACK_FAILED (BNX2X_MAC_LOOPBACK_FAILED | \
2291 BNX2X_PHY_LOOPBACK_FAILED)
2293 #define STROM_ASSERT_ARRAY_SIZE 50
2295 /* must be used on a CID before placing it on a HW ring */
2296 #define HW_CID(bp, x) ((BP_PORT(bp) << 23) | \
2297 (BP_VN(bp) << BNX2X_SWCID_SHIFT) | \
2300 #define SP_DESC_CNT (BCM_PAGE_SIZE / sizeof(struct eth_spe))
2301 #define MAX_SP_DESC_CNT (SP_DESC_CNT - 1)
2304 #define MAX_SPQ_PENDING 8
2306 /* CMNG constants, as derived from system spec calculations */
2307 /* default MIN rate in case VNIC min rate is configured to zero - 100Mbps */
2308 #define DEF_MIN_RATE 100
2309 /* resolution of the rate shaping timer - 400 usec */
2310 #define RS_PERIODIC_TIMEOUT_USEC 400
2311 /* number of bytes in single QM arbitration cycle -
2312 * coefficient for calculating the fairness timer */
2313 #define QM_ARB_BYTES 160000
2314 /* resolution of Min algorithm 1:100 */
2316 /* how many bytes above threshold for the minimal credit of Min algorithm*/
2317 #define MIN_ABOVE_THRESH 32768
2318 /* Fairness algorithm integration time coefficient -
2319 * for calculating the actual Tfair */
2320 #define T_FAIR_COEF ((MIN_ABOVE_THRESH + QM_ARB_BYTES) * 8 * MIN_RES)
2321 /* Memory of fairness algorithm . 2 cycles */
2324 #define ATTN_NIG_FOR_FUNC (1L << 8)
2325 #define ATTN_SW_TIMER_4_FUNC (1L << 9)
2326 #define GPIO_2_FUNC (1L << 10)
2327 #define GPIO_3_FUNC (1L << 11)
2328 #define GPIO_4_FUNC (1L << 12)
2329 #define ATTN_GENERAL_ATTN_1 (1L << 13)
2330 #define ATTN_GENERAL_ATTN_2 (1L << 14)
2331 #define ATTN_GENERAL_ATTN_3 (1L << 15)
2332 #define ATTN_GENERAL_ATTN_4 (1L << 13)
2333 #define ATTN_GENERAL_ATTN_5 (1L << 14)
2334 #define ATTN_GENERAL_ATTN_6 (1L << 15)
2336 #define ATTN_HARD_WIRED_MASK 0xff00
2337 #define ATTENTION_ID 4
2339 #define IS_MF_STORAGE_ONLY(bp) (IS_MF_STORAGE_PERSONALITY_ONLY(bp) || \
2340 IS_MF_FCOE_AFEX(bp))
2342 /* stuff added to make the code fit 80Col */
2344 #define BNX2X_PMF_LINK_ASSERT \
2345 GENERAL_ATTEN_OFFSET(LINK_SYNC_ATTENTION_BIT_FUNC_0 + BP_FUNC(bp))
2347 #define BNX2X_MC_ASSERT_BITS \
2348 (GENERAL_ATTEN_OFFSET(TSTORM_FATAL_ASSERT_ATTENTION_BIT) | \
2349 GENERAL_ATTEN_OFFSET(USTORM_FATAL_ASSERT_ATTENTION_BIT) | \
2350 GENERAL_ATTEN_OFFSET(CSTORM_FATAL_ASSERT_ATTENTION_BIT) | \
2351 GENERAL_ATTEN_OFFSET(XSTORM_FATAL_ASSERT_ATTENTION_BIT))
2353 #define BNX2X_MCP_ASSERT \
2354 GENERAL_ATTEN_OFFSET(MCP_FATAL_ASSERT_ATTENTION_BIT)
2356 #define BNX2X_GRC_TIMEOUT GENERAL_ATTEN_OFFSET(LATCHED_ATTN_TIMEOUT_GRC)
2357 #define BNX2X_GRC_RSV (GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCR) | \
2358 GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCT) | \
2359 GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCN) | \
2360 GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCU) | \
2361 GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCP) | \
2362 GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RSVD_GRC))
2364 #define HW_INTERRUT_ASSERT_SET_0 \
2365 (AEU_INPUTS_ATTN_BITS_TSDM_HW_INTERRUPT | \
2366 AEU_INPUTS_ATTN_BITS_TCM_HW_INTERRUPT | \
2367 AEU_INPUTS_ATTN_BITS_TSEMI_HW_INTERRUPT | \
2368 AEU_INPUTS_ATTN_BITS_BRB_HW_INTERRUPT | \
2369 AEU_INPUTS_ATTN_BITS_PBCLIENT_HW_INTERRUPT)
2370 #define HW_PRTY_ASSERT_SET_0 (AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR | \
2371 AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR | \
2372 AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR | \
2373 AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR |\
2374 AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR |\
2375 AEU_INPUTS_ATTN_BITS_TCM_PARITY_ERROR |\
2376 AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR)
2377 #define HW_INTERRUT_ASSERT_SET_1 \
2378 (AEU_INPUTS_ATTN_BITS_QM_HW_INTERRUPT | \
2379 AEU_INPUTS_ATTN_BITS_TIMERS_HW_INTERRUPT | \
2380 AEU_INPUTS_ATTN_BITS_XSDM_HW_INTERRUPT | \
2381 AEU_INPUTS_ATTN_BITS_XCM_HW_INTERRUPT | \
2382 AEU_INPUTS_ATTN_BITS_XSEMI_HW_INTERRUPT | \
2383 AEU_INPUTS_ATTN_BITS_USDM_HW_INTERRUPT | \
2384 AEU_INPUTS_ATTN_BITS_UCM_HW_INTERRUPT | \
2385 AEU_INPUTS_ATTN_BITS_USEMI_HW_INTERRUPT | \
2386 AEU_INPUTS_ATTN_BITS_UPB_HW_INTERRUPT | \
2387 AEU_INPUTS_ATTN_BITS_CSDM_HW_INTERRUPT | \
2388 AEU_INPUTS_ATTN_BITS_CCM_HW_INTERRUPT)
2389 #define HW_PRTY_ASSERT_SET_1 (AEU_INPUTS_ATTN_BITS_PBF_PARITY_ERROR |\
2390 AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR | \
2391 AEU_INPUTS_ATTN_BITS_TIMERS_PARITY_ERROR |\
2392 AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR | \
2393 AEU_INPUTS_ATTN_BITS_XCM_PARITY_ERROR |\
2394 AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR | \
2395 AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR |\
2396 AEU_INPUTS_ATTN_BITS_NIG_PARITY_ERROR |\
2397 AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR |\
2398 AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR | \
2399 AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR | \
2400 AEU_INPUTS_ATTN_BITS_UCM_PARITY_ERROR |\
2401 AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR | \
2402 AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR | \
2403 AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR |\
2404 AEU_INPUTS_ATTN_BITS_CCM_PARITY_ERROR)
2405 #define HW_INTERRUT_ASSERT_SET_2 \
2406 (AEU_INPUTS_ATTN_BITS_CSEMI_HW_INTERRUPT | \
2407 AEU_INPUTS_ATTN_BITS_CDU_HW_INTERRUPT | \
2408 AEU_INPUTS_ATTN_BITS_DMAE_HW_INTERRUPT | \
2409 AEU_INPUTS_ATTN_BITS_PXPPCICLOCKCLIENT_HW_INTERRUPT |\
2410 AEU_INPUTS_ATTN_BITS_MISC_HW_INTERRUPT)
2411 #define HW_PRTY_ASSERT_SET_2 (AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR | \
2412 AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR | \
2413 AEU_INPUTS_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR |\
2414 AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR | \
2415 AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR | \
2416 AEU_INPUTS_ATTN_BITS_DMAE_PARITY_ERROR |\
2417 AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR | \
2418 AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR)
2420 #define HW_PRTY_ASSERT_SET_3_WITHOUT_SCPAD \
2421 (AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY | \
2422 AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY | \
2423 AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY)
2425 #define HW_PRTY_ASSERT_SET_3 (HW_PRTY_ASSERT_SET_3_WITHOUT_SCPAD | \
2426 AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY)
2428 #define HW_PRTY_ASSERT_SET_4 (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR | \
2429 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)
2431 #define MULTI_MASK 0x7f
2433 #define DEF_USB_FUNC_OFF offsetof(struct cstorm_def_status_block_u, func)
2434 #define DEF_CSB_FUNC_OFF offsetof(struct cstorm_def_status_block_c, func)
2435 #define DEF_XSB_FUNC_OFF offsetof(struct xstorm_def_status_block, func)
2436 #define DEF_TSB_FUNC_OFF offsetof(struct tstorm_def_status_block, func)
2438 #define DEF_USB_IGU_INDEX_OFF \
2439 offsetof(struct cstorm_def_status_block_u, igu_index)
2440 #define DEF_CSB_IGU_INDEX_OFF \
2441 offsetof(struct cstorm_def_status_block_c, igu_index)
2442 #define DEF_XSB_IGU_INDEX_OFF \
2443 offsetof(struct xstorm_def_status_block, igu_index)
2444 #define DEF_TSB_IGU_INDEX_OFF \
2445 offsetof(struct tstorm_def_status_block, igu_index)
2447 #define DEF_USB_SEGMENT_OFF \
2448 offsetof(struct cstorm_def_status_block_u, segment)
2449 #define DEF_CSB_SEGMENT_OFF \
2450 offsetof(struct cstorm_def_status_block_c, segment)
2451 #define DEF_XSB_SEGMENT_OFF \
2452 offsetof(struct xstorm_def_status_block, segment)
2453 #define DEF_TSB_SEGMENT_OFF \
2454 offsetof(struct tstorm_def_status_block, segment)
2456 #define BNX2X_SP_DSB_INDEX \
2457 (&bp->def_status_blk->sp_sb.\
2458 index_values[HC_SP_INDEX_ETH_DEF_CONS])
2460 #define CAM_IS_INVALID(x) \
2461 (GET_FLAG(x.flags, \
2462 MAC_CONFIGURATION_ENTRY_ACTION_TYPE) == \
2463 (T_ETH_MAC_COMMAND_INVALIDATE))
2465 /* Number of u32 elements in MC hash array */
2466 #define MC_HASH_SIZE 8
2467 #define MC_HASH_OFFSET(bp, i) (BAR_TSTRORM_INTMEM + \
2468 TSTORM_APPROXIMATE_MATCH_MULTICAST_FILTERING_OFFSET(BP_FUNC(bp)) + i*4)
2470 #ifndef PXP2_REG_PXP2_INT_STS
2471 #define PXP2_REG_PXP2_INT_STS PXP2_REG_PXP2_INT_STS_0
2474 #ifndef ETH_MAX_RX_CLIENTS_E2
2475 #define ETH_MAX_RX_CLIENTS_E2 ETH_MAX_RX_CLIENTS_E1H
2478 #define BNX2X_VPD_LEN 128
2479 #define VENDOR_ID_LEN 4
2481 #define VF_ACQUIRE_THRESH 3
2482 #define VF_ACQUIRE_MAC_FILTERS 1
2483 #define VF_ACQUIRE_MC_FILTERS 10
2485 #define GOOD_ME_REG(me_reg) (((me_reg) & ME_REG_VF_VALID) && \
2486 (!((me_reg) & ME_REG_VF_ERR)))
2487 int bnx2x_compare_fw_ver(struct bnx2x *bp, u32 load_code, bool print_err);
2489 /* Congestion management fairness mode */
2490 #define CMNG_FNS_NONE 0
2491 #define CMNG_FNS_MINMAX 1
2493 #define HC_SEG_ACCESS_DEF 0 /*Driver decision 0-3*/
2494 #define HC_SEG_ACCESS_ATTN 4
2495 #define HC_SEG_ACCESS_NORM 0 /*Driver decision 0-1*/
2497 static const u32 dmae_reg_go_c[] = {
2498 DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
2499 DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
2500 DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
2501 DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
2504 void bnx2x_set_ethtool_ops(struct bnx2x *bp, struct net_device *netdev);
2505 void bnx2x_notify_link_changed(struct bnx2x *bp);
2507 #define BNX2X_MF_SD_PROTOCOL(bp) \
2508 ((bp)->mf_config[BP_VN(bp)] & FUNC_MF_CFG_PROTOCOL_MASK)
2510 #define BNX2X_IS_MF_SD_PROTOCOL_ISCSI(bp) \
2511 (BNX2X_MF_SD_PROTOCOL(bp) == FUNC_MF_CFG_PROTOCOL_ISCSI)
2513 #define BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp) \
2514 (BNX2X_MF_SD_PROTOCOL(bp) == FUNC_MF_CFG_PROTOCOL_FCOE)
2516 #define IS_MF_ISCSI_SD(bp) (IS_MF_SD(bp) && BNX2X_IS_MF_SD_PROTOCOL_ISCSI(bp))
2517 #define IS_MF_FCOE_SD(bp) (IS_MF_SD(bp) && BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp))
2518 #define IS_MF_ISCSI_SI(bp) (IS_MF_SI(bp) && BNX2X_IS_MF_EXT_PROTOCOL_ISCSI(bp))
2520 #define IS_MF_ISCSI_ONLY(bp) (IS_MF_ISCSI_SD(bp) || IS_MF_ISCSI_SI(bp))
2522 #define BNX2X_MF_EXT_PROTOCOL_MASK \
2523 (MACP_FUNC_CFG_FLAGS_ETHERNET | \
2524 MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD | \
2525 MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD)
2527 #define BNX2X_MF_EXT_PROT(bp) ((bp)->mf_ext_config & \
2528 BNX2X_MF_EXT_PROTOCOL_MASK)
2530 #define BNX2X_HAS_MF_EXT_PROTOCOL_FCOE(bp) \
2531 (BNX2X_MF_EXT_PROT(bp) & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD)
2533 #define BNX2X_IS_MF_EXT_PROTOCOL_FCOE(bp) \
2534 (BNX2X_MF_EXT_PROT(bp) == MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD)
2536 #define BNX2X_IS_MF_EXT_PROTOCOL_ISCSI(bp) \
2537 (BNX2X_MF_EXT_PROT(bp) == MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD)
2539 #define IS_MF_FCOE_AFEX(bp) \
2540 (IS_MF_AFEX(bp) && BNX2X_IS_MF_EXT_PROTOCOL_FCOE(bp))
2542 #define IS_MF_SD_STORAGE_PERSONALITY_ONLY(bp) \
2544 (BNX2X_IS_MF_SD_PROTOCOL_ISCSI(bp) || \
2545 BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp)))
2547 #define IS_MF_SI_STORAGE_PERSONALITY_ONLY(bp) \
2549 (BNX2X_IS_MF_EXT_PROTOCOL_ISCSI(bp) || \
2550 BNX2X_IS_MF_EXT_PROTOCOL_FCOE(bp)))
2552 #define IS_MF_STORAGE_PERSONALITY_ONLY(bp) \
2553 (IS_MF_SD_STORAGE_PERSONALITY_ONLY(bp) || \
2554 IS_MF_SI_STORAGE_PERSONALITY_ONLY(bp))
2557 #define SET_FLAG(value, mask, flag) \
2559 (value) &= ~(mask);\
2560 (value) |= ((flag) << (mask##_SHIFT));\
2563 #define GET_FLAG(value, mask) \
2564 (((value) & (mask)) >> (mask##_SHIFT))
2566 #define GET_FIELD(value, fname) \
2567 (((value) & (fname##_MASK)) >> (fname##_SHIFT))
2576 void bnx2x_set_local_cmng(struct bnx2x *bp);
2578 void bnx2x_update_mng_version(struct bnx2x *bp);
2580 #define MCPR_SCRATCH_BASE(bp) \
2581 (CHIP_IS_E1x(bp) ? MCP_REG_MCPR_SCRATCH : MCP_A_REG_MCPR_SCRATCH)
2583 #define E1H_MAX_MF_SB_COUNT (HC_SB_MAX_SB_E1X/(E1HVN_MAX * PORT_MAX))
2585 void bnx2x_init_ptp(struct bnx2x *bp);
2586 int bnx2x_configure_ptp_filters(struct bnx2x *bp);
2587 void bnx2x_set_rx_ts(struct bnx2x *bp, struct sk_buff *skb);
2589 #define BNX2X_MAX_PHC_DRIFT 31000000
2590 #define BNX2X_PTP_TX_TIMEOUT
2592 #endif /* bnx2x.h */