drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c

   1 /* Broadcom NetXtreme-C/E network driver.
   2  *
   3  * Copyright (c) 2014-2016 Broadcom Corporation
   4  * Copyright (c) 2016-2017 Broadcom Limited
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation.
   9  */
  10
  11 #include <linux/ctype.h>
  12 #include <linux/stringify.h>
  13 #include <linux/ethtool.h>
  14 #include <linux/linkmode.h>
  15 #include <linux/interrupt.h>
  16 #include <linux/pci.h>
  17 #include <linux/etherdevice.h>
  18 #include <linux/crc32.h>
  19 #include <linux/firmware.h>
  20 #include <linux/utsname.h>
  21 #include <linux/time.h>
  22 #include <linux/ptp_clock_kernel.h>
  23 #include <linux/net_tstamp.h>
  24 #include <linux/timecounter.h>
  25 #include "bnxt_hsi.h"
  26 #include "bnxt.h"
  27 #include "bnxt_hwrm.h"
  28 #include "bnxt_xdp.h"
  29 #include "bnxt_ptp.h"
  30 #include "bnxt_ethtool.h"
  31 #include "bnxt_nvm_defs.h"      /* NVRAM content constant and structure defs */
  32 #include "bnxt_fw_hdr.h"        /* Firmware hdr constant and structure defs */
  33 #include "bnxt_coredump.h"
  34
  35 static u32 bnxt_get_msglevel(struct net_device *dev)
  36 {
  37         struct bnxt *bp = netdev_priv(dev);
  38
  39         return bp->msg_enable;
  40 }
  41
  42 static void bnxt_set_msglevel(struct net_device *dev, u32 value)
  43 {
  44         struct bnxt *bp = netdev_priv(dev);
  45
  46         bp->msg_enable = value;
  47 }
  48
  49 static int bnxt_get_coalesce(struct net_device *dev,
  50                              struct ethtool_coalesce *coal,
  51                              struct kernel_ethtool_coalesce *kernel_coal,
  52                              struct netlink_ext_ack *extack)
  53 {
  54         struct bnxt *bp = netdev_priv(dev);
  55         struct bnxt_coal *hw_coal;
  56         u16 mult;
  57
  58         memset(coal, 0, sizeof(*coal));
  59
  60         coal->use_adaptive_rx_coalesce = bp->flags & BNXT_FLAG_DIM;
  61
  62         hw_coal = &bp->rx_coal;
  63         mult = hw_coal->bufs_per_record;
  64         coal->rx_coalesce_usecs = hw_coal->coal_ticks;
  65         coal->rx_max_coalesced_frames = hw_coal->coal_bufs / mult;
  66         coal->rx_coalesce_usecs_irq = hw_coal->coal_ticks_irq;
  67         coal->rx_max_coalesced_frames_irq = hw_coal->coal_bufs_irq / mult;
  68         if (hw_coal->flags &
  69             RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_TIMER_RESET)
  70                 kernel_coal->use_cqe_mode_rx = true;
  71
  72         hw_coal = &bp->tx_coal;
  73         mult = hw_coal->bufs_per_record;
  74         coal->tx_coalesce_usecs = hw_coal->coal_ticks;
  75         coal->tx_max_coalesced_frames = hw_coal->coal_bufs / mult;
  76         coal->tx_coalesce_usecs_irq = hw_coal->coal_ticks_irq;
  77         coal->tx_max_coalesced_frames_irq = hw_coal->coal_bufs_irq / mult;
  78         if (hw_coal->flags &
  79             RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_TIMER_RESET)
  80                 kernel_coal->use_cqe_mode_tx = true;
  81
  82         coal->stats_block_coalesce_usecs = bp->stats_coal_ticks;
  83
  84         return 0;
  85 }
  86
  87 static int bnxt_set_coalesce(struct net_device *dev,
  88                              struct ethtool_coalesce *coal,
  89                              struct kernel_ethtool_coalesce *kernel_coal,
  90                              struct netlink_ext_ack *extack)
  91 {
  92         struct bnxt *bp = netdev_priv(dev);
  93         bool update_stats = false;
  94         struct bnxt_coal *hw_coal;
  95         int rc = 0;
  96         u16 mult;
  97
  98         if (coal->use_adaptive_rx_coalesce) {
  99                 bp->flags |= BNXT_FLAG_DIM;
 100         } else {
 101                 if (bp->flags & BNXT_FLAG_DIM) {
 102                         bp->flags &= ~(BNXT_FLAG_DIM);
 103                         goto reset_coalesce;
 104                 }
 105         }
 106
 107         if ((kernel_coal->use_cqe_mode_rx || kernel_coal->use_cqe_mode_tx) &&
 108             !(bp->coal_cap.cmpl_params &
 109               RING_AGGINT_QCAPS_RESP_CMPL_PARAMS_TIMER_RESET))
 110                 return -EOPNOTSUPP;
 111
 112         hw_coal = &bp->rx_coal;
 113         mult = hw_coal->bufs_per_record;
 114         hw_coal->coal_ticks = coal->rx_coalesce_usecs;
 115         hw_coal->coal_bufs = coal->rx_max_coalesced_frames * mult;
 116         hw_coal->coal_ticks_irq = coal->rx_coalesce_usecs_irq;
 117         hw_coal->coal_bufs_irq = coal->rx_max_coalesced_frames_irq * mult;
 118         hw_coal->flags &=
 119                 ~RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_TIMER_RESET;
 120         if (kernel_coal->use_cqe_mode_rx)
 121                 hw_coal->flags |=
 122                         RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_TIMER_RESET;
 123
 124         hw_coal = &bp->tx_coal;
 125         mult = hw_coal->bufs_per_record;
 126         hw_coal->coal_ticks = coal->tx_coalesce_usecs;
 127         hw_coal->coal_bufs = coal->tx_max_coalesced_frames * mult;
 128         hw_coal->coal_ticks_irq = coal->tx_coalesce_usecs_irq;
 129         hw_coal->coal_bufs_irq = coal->tx_max_coalesced_frames_irq * mult;
 130         hw_coal->flags &=
 131                 ~RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_TIMER_RESET;
 132         if (kernel_coal->use_cqe_mode_tx)
 133                 hw_coal->flags |=
 134                         RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_TIMER_RESET;
 135
 136         if (bp->stats_coal_ticks != coal->stats_block_coalesce_usecs) {
 137                 u32 stats_ticks = coal->stats_block_coalesce_usecs;
 138
 139                 /* Allow 0, which means disable. */
 140                 if (stats_ticks)
 141                         stats_ticks = clamp_t(u32, stats_ticks,
 142                                               BNXT_MIN_STATS_COAL_TICKS,
 143                                               BNXT_MAX_STATS_COAL_TICKS);
 144                 stats_ticks = rounddown(stats_ticks, BNXT_MIN_STATS_COAL_TICKS);
 145                 bp->stats_coal_ticks = stats_ticks;
 146                 if (bp->stats_coal_ticks)
 147                         bp->current_interval =
 148                                 bp->stats_coal_ticks * HZ / 1000000;
 149                 else
 150                         bp->current_interval = BNXT_TIMER_INTERVAL;
 151                 update_stats = true;
 152         }
 153
 154 reset_coalesce:
 155         if (netif_running(dev)) {
 156                 if (update_stats) {
 157                         rc = bnxt_close_nic(bp, true, false);
 158                         if (!rc)
 159                                 rc = bnxt_open_nic(bp, true, false);
 160                 } else {
 161                         rc = bnxt_hwrm_set_coal(bp);
 162                 }
 163         }
 164
 165         return rc;
 166 }
 167
 168 static const char * const bnxt_ring_rx_stats_str[] = {
 169         "rx_ucast_packets",
 170         "rx_mcast_packets",
 171         "rx_bcast_packets",
 172         "rx_discards",
 173         "rx_errors",
 174         "rx_ucast_bytes",
 175         "rx_mcast_bytes",
 176         "rx_bcast_bytes",
 177 };
 178
 179 static const char * const bnxt_ring_tx_stats_str[] = {
 180         "tx_ucast_packets",
 181         "tx_mcast_packets",
 182         "tx_bcast_packets",
 183         "tx_errors",
 184         "tx_discards",
 185         "tx_ucast_bytes",
 186         "tx_mcast_bytes",
 187         "tx_bcast_bytes",
 188 };
 189
 190 static const char * const bnxt_ring_tpa_stats_str[] = {
 191         "tpa_packets",
 192         "tpa_bytes",
 193         "tpa_events",
 194         "tpa_aborts",
 195 };
 196
 197 static const char * const bnxt_ring_tpa2_stats_str[] = {
 198         "rx_tpa_eligible_pkt",
 199         "rx_tpa_eligible_bytes",
 200         "rx_tpa_pkt",
 201         "rx_tpa_bytes",
 202         "rx_tpa_errors",
 203         "rx_tpa_events",
 204 };
 205
 206 static const char * const bnxt_rx_sw_stats_str[] = {
 207         "rx_l4_csum_errors",
 208         "rx_resets",
 209         "rx_buf_errors",
 210 };
 211
 212 static const char * const bnxt_cmn_sw_stats_str[] = {
 213         "missed_irqs",
 214 };
 215
 216 #define BNXT_RX_STATS_ENTRY(counter)    \
 217         { BNXT_RX_STATS_OFFSET(counter), __stringify(counter) }
 218
 219 #define BNXT_TX_STATS_ENTRY(counter)    \
 220         { BNXT_TX_STATS_OFFSET(counter), __stringify(counter) }
 221
 222 #define BNXT_RX_STATS_EXT_ENTRY(counter)        \
 223         { BNXT_RX_STATS_EXT_OFFSET(counter), __stringify(counter) }
 224
 225 #define BNXT_TX_STATS_EXT_ENTRY(counter)        \
 226         { BNXT_TX_STATS_EXT_OFFSET(counter), __stringify(counter) }
 227
 228 #define BNXT_RX_STATS_EXT_PFC_ENTRY(n)                          \
 229         BNXT_RX_STATS_EXT_ENTRY(pfc_pri##n##_rx_duration_us),   \
 230         BNXT_RX_STATS_EXT_ENTRY(pfc_pri##n##_rx_transitions)
 231
 232 #define BNXT_TX_STATS_EXT_PFC_ENTRY(n)                          \
 233         BNXT_TX_STATS_EXT_ENTRY(pfc_pri##n##_tx_duration_us),   \
 234         BNXT_TX_STATS_EXT_ENTRY(pfc_pri##n##_tx_transitions)
 235
 236 #define BNXT_RX_STATS_EXT_PFC_ENTRIES                           \
 237         BNXT_RX_STATS_EXT_PFC_ENTRY(0),                         \
 238         BNXT_RX_STATS_EXT_PFC_ENTRY(1),                         \
 239         BNXT_RX_STATS_EXT_PFC_ENTRY(2),                         \
 240         BNXT_RX_STATS_EXT_PFC_ENTRY(3),                         \
 241         BNXT_RX_STATS_EXT_PFC_ENTRY(4),                         \
 242         BNXT_RX_STATS_EXT_PFC_ENTRY(5),                         \
 243         BNXT_RX_STATS_EXT_PFC_ENTRY(6),                         \
 244         BNXT_RX_STATS_EXT_PFC_ENTRY(7)
 245
 246 #define BNXT_TX_STATS_EXT_PFC_ENTRIES                           \
 247         BNXT_TX_STATS_EXT_PFC_ENTRY(0),                         \
 248         BNXT_TX_STATS_EXT_PFC_ENTRY(1),                         \
 249         BNXT_TX_STATS_EXT_PFC_ENTRY(2),                         \
 250         BNXT_TX_STATS_EXT_PFC_ENTRY(3),                         \
 251         BNXT_TX_STATS_EXT_PFC_ENTRY(4),                         \
 252         BNXT_TX_STATS_EXT_PFC_ENTRY(5),                         \
 253         BNXT_TX_STATS_EXT_PFC_ENTRY(6),                         \
 254         BNXT_TX_STATS_EXT_PFC_ENTRY(7)
 255
 256 #define BNXT_RX_STATS_EXT_COS_ENTRY(n)                          \
 257         BNXT_RX_STATS_EXT_ENTRY(rx_bytes_cos##n),               \
 258         BNXT_RX_STATS_EXT_ENTRY(rx_packets_cos##n)
 259
 260 #define BNXT_TX_STATS_EXT_COS_ENTRY(n)                          \
 261         BNXT_TX_STATS_EXT_ENTRY(tx_bytes_cos##n),               \
 262         BNXT_TX_STATS_EXT_ENTRY(tx_packets_cos##n)
 263
 264 #define BNXT_RX_STATS_EXT_COS_ENTRIES                           \
 265         BNXT_RX_STATS_EXT_COS_ENTRY(0),                         \
 266         BNXT_RX_STATS_EXT_COS_ENTRY(1),                         \
 267         BNXT_RX_STATS_EXT_COS_ENTRY(2),                         \
 268         BNXT_RX_STATS_EXT_COS_ENTRY(3),                         \
 269         BNXT_RX_STATS_EXT_COS_ENTRY(4),                         \
 270         BNXT_RX_STATS_EXT_COS_ENTRY(5),                         \
 271         BNXT_RX_STATS_EXT_COS_ENTRY(6),                         \
 272         BNXT_RX_STATS_EXT_COS_ENTRY(7)                          \
 273
 274 #define BNXT_TX_STATS_EXT_COS_ENTRIES                           \
 275         BNXT_TX_STATS_EXT_COS_ENTRY(0),                         \
 276         BNXT_TX_STATS_EXT_COS_ENTRY(1),                         \
 277         BNXT_TX_STATS_EXT_COS_ENTRY(2),                         \
 278         BNXT_TX_STATS_EXT_COS_ENTRY(3),                         \
 279         BNXT_TX_STATS_EXT_COS_ENTRY(4),                         \
 280         BNXT_TX_STATS_EXT_COS_ENTRY(5),                         \
 281         BNXT_TX_STATS_EXT_COS_ENTRY(6),                         \
 282         BNXT_TX_STATS_EXT_COS_ENTRY(7)                          \
 283
 284 #define BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(n)                  \
 285         BNXT_RX_STATS_EXT_ENTRY(rx_discard_bytes_cos##n),       \
 286         BNXT_RX_STATS_EXT_ENTRY(rx_discard_packets_cos##n)
 287
 288 #define BNXT_RX_STATS_EXT_DISCARD_COS_ENTRIES                           \
 289         BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(0),                         \
 290         BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(1),                         \
 291         BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(2),                         \
 292         BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(3),                         \
 293         BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(4),                         \
 294         BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(5),                         \
 295         BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(6),                         \
 296         BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(7)
 297
 298 #define BNXT_RX_STATS_PRI_ENTRY(counter, n)             \
 299         { BNXT_RX_STATS_EXT_OFFSET(counter##_cos0),     \
 300           __stringify(counter##_pri##n) }
 301
 302 #define BNXT_TX_STATS_PRI_ENTRY(counter, n)             \
 303         { BNXT_TX_STATS_EXT_OFFSET(counter##_cos0),     \
 304           __stringify(counter##_pri##n) }
 305
 306 #define BNXT_RX_STATS_PRI_ENTRIES(counter)              \
 307         BNXT_RX_STATS_PRI_ENTRY(counter, 0),            \
 308         BNXT_RX_STATS_PRI_ENTRY(counter, 1),            \
 309         BNXT_RX_STATS_PRI_ENTRY(counter, 2),            \
 310         BNXT_RX_STATS_PRI_ENTRY(counter, 3),            \
 311         BNXT_RX_STATS_PRI_ENTRY(counter, 4),            \
 312         BNXT_RX_STATS_PRI_ENTRY(counter, 5),            \
 313         BNXT_RX_STATS_PRI_ENTRY(counter, 6),            \
 314         BNXT_RX_STATS_PRI_ENTRY(counter, 7)
 315
 316 #define BNXT_TX_STATS_PRI_ENTRIES(counter)              \
 317         BNXT_TX_STATS_PRI_ENTRY(counter, 0),            \
 318         BNXT_TX_STATS_PRI_ENTRY(counter, 1),            \
 319         BNXT_TX_STATS_PRI_ENTRY(counter, 2),            \
 320         BNXT_TX_STATS_PRI_ENTRY(counter, 3),            \
 321         BNXT_TX_STATS_PRI_ENTRY(counter, 4),            \
 322         BNXT_TX_STATS_PRI_ENTRY(counter, 5),            \
 323         BNXT_TX_STATS_PRI_ENTRY(counter, 6),            \
 324         BNXT_TX_STATS_PRI_ENTRY(counter, 7)
 325
 326 enum {
 327         RX_TOTAL_DISCARDS,
 328         TX_TOTAL_DISCARDS,
 329         RX_NETPOLL_DISCARDS,
 330 };
 331
 332 static struct {
 333         u64                     counter;
 334         char                    string[ETH_GSTRING_LEN];
 335 } bnxt_sw_func_stats[] = {
 336         {0, "rx_total_discard_pkts"},
 337         {0, "tx_total_discard_pkts"},
 338         {0, "rx_total_netpoll_discards"},
 339 };
 340
 341 #define NUM_RING_RX_SW_STATS            ARRAY_SIZE(bnxt_rx_sw_stats_str)
 342 #define NUM_RING_CMN_SW_STATS           ARRAY_SIZE(bnxt_cmn_sw_stats_str)
 343 #define NUM_RING_RX_HW_STATS            ARRAY_SIZE(bnxt_ring_rx_stats_str)
 344 #define NUM_RING_TX_HW_STATS            ARRAY_SIZE(bnxt_ring_tx_stats_str)
 345
 346 static const struct {
 347         long offset;
 348         char string[ETH_GSTRING_LEN];
 349 } bnxt_port_stats_arr[] = {
 350         BNXT_RX_STATS_ENTRY(rx_64b_frames),
 351         BNXT_RX_STATS_ENTRY(rx_65b_127b_frames),
 352         BNXT_RX_STATS_ENTRY(rx_128b_255b_frames),
 353         BNXT_RX_STATS_ENTRY(rx_256b_511b_frames),
 354         BNXT_RX_STATS_ENTRY(rx_512b_1023b_frames),
 355         BNXT_RX_STATS_ENTRY(rx_1024b_1518b_frames),
 356         BNXT_RX_STATS_ENTRY(rx_good_vlan_frames),
 357         BNXT_RX_STATS_ENTRY(rx_1519b_2047b_frames),
 358         BNXT_RX_STATS_ENTRY(rx_2048b_4095b_frames),
 359         BNXT_RX_STATS_ENTRY(rx_4096b_9216b_frames),
 360         BNXT_RX_STATS_ENTRY(rx_9217b_16383b_frames),
 361         BNXT_RX_STATS_ENTRY(rx_total_frames),
 362         BNXT_RX_STATS_ENTRY(rx_ucast_frames),
 363         BNXT_RX_STATS_ENTRY(rx_mcast_frames),
 364         BNXT_RX_STATS_ENTRY(rx_bcast_frames),
 365         BNXT_RX_STATS_ENTRY(rx_fcs_err_frames),
 366         BNXT_RX_STATS_ENTRY(rx_ctrl_frames),
 367         BNXT_RX_STATS_ENTRY(rx_pause_frames),
 368         BNXT_RX_STATS_ENTRY(rx_pfc_frames),
 369         BNXT_RX_STATS_ENTRY(rx_align_err_frames),
 370         BNXT_RX_STATS_ENTRY(rx_ovrsz_frames),
 371         BNXT_RX_STATS_ENTRY(rx_jbr_frames),
 372         BNXT_RX_STATS_ENTRY(rx_mtu_err_frames),
 373         BNXT_RX_STATS_ENTRY(rx_tagged_frames),
 374         BNXT_RX_STATS_ENTRY(rx_double_tagged_frames),
 375         BNXT_RX_STATS_ENTRY(rx_good_frames),
 376         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri0),
 377         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri1),
 378         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri2),
 379         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri3),
 380         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri4),
 381         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri5),
 382         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri6),
 383         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri7),
 384         BNXT_RX_STATS_ENTRY(rx_undrsz_frames),
 385         BNXT_RX_STATS_ENTRY(rx_eee_lpi_events),
 386         BNXT_RX_STATS_ENTRY(rx_eee_lpi_duration),
 387         BNXT_RX_STATS_ENTRY(rx_bytes),
 388         BNXT_RX_STATS_ENTRY(rx_runt_bytes),
 389         BNXT_RX_STATS_ENTRY(rx_runt_frames),
 390         BNXT_RX_STATS_ENTRY(rx_stat_discard),
 391         BNXT_RX_STATS_ENTRY(rx_stat_err),
 392
 393         BNXT_TX_STATS_ENTRY(tx_64b_frames),
 394         BNXT_TX_STATS_ENTRY(tx_65b_127b_frames),
 395         BNXT_TX_STATS_ENTRY(tx_128b_255b_frames),
 396         BNXT_TX_STATS_ENTRY(tx_256b_511b_frames),
 397         BNXT_TX_STATS_ENTRY(tx_512b_1023b_frames),
 398         BNXT_TX_STATS_ENTRY(tx_1024b_1518b_frames),
 399         BNXT_TX_STATS_ENTRY(tx_good_vlan_frames),
 400         BNXT_TX_STATS_ENTRY(tx_1519b_2047b_frames),
 401         BNXT_TX_STATS_ENTRY(tx_2048b_4095b_frames),
 402         BNXT_TX_STATS_ENTRY(tx_4096b_9216b_frames),
 403         BNXT_TX_STATS_ENTRY(tx_9217b_16383b_frames),
 404         BNXT_TX_STATS_ENTRY(tx_good_frames),
 405         BNXT_TX_STATS_ENTRY(tx_total_frames),
 406         BNXT_TX_STATS_ENTRY(tx_ucast_frames),
 407         BNXT_TX_STATS_ENTRY(tx_mcast_frames),
 408         BNXT_TX_STATS_ENTRY(tx_bcast_frames),
 409         BNXT_TX_STATS_ENTRY(tx_pause_frames),
 410         BNXT_TX_STATS_ENTRY(tx_pfc_frames),
 411         BNXT_TX_STATS_ENTRY(tx_jabber_frames),
 412         BNXT_TX_STATS_ENTRY(tx_fcs_err_frames),
 413         BNXT_TX_STATS_ENTRY(tx_err),
 414         BNXT_TX_STATS_ENTRY(tx_fifo_underruns),
 415         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri0),
 416         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri1),
 417         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri2),
 418         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri3),
 419         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri4),
 420         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri5),
 421         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri6),
 422         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri7),
 423         BNXT_TX_STATS_ENTRY(tx_eee_lpi_events),
 424         BNXT_TX_STATS_ENTRY(tx_eee_lpi_duration),
 425         BNXT_TX_STATS_ENTRY(tx_total_collisions),
 426         BNXT_TX_STATS_ENTRY(tx_bytes),
 427         BNXT_TX_STATS_ENTRY(tx_xthol_frames),
 428         BNXT_TX_STATS_ENTRY(tx_stat_discard),
 429         BNXT_TX_STATS_ENTRY(tx_stat_error),
 430 };
 431
 432 static const struct {
 433         long offset;
 434         char string[ETH_GSTRING_LEN];
 435 } bnxt_port_stats_ext_arr[] = {
 436         BNXT_RX_STATS_EXT_ENTRY(link_down_events),
 437         BNXT_RX_STATS_EXT_ENTRY(continuous_pause_events),
 438         BNXT_RX_STATS_EXT_ENTRY(resume_pause_events),
 439         BNXT_RX_STATS_EXT_ENTRY(continuous_roce_pause_events),
 440         BNXT_RX_STATS_EXT_ENTRY(resume_roce_pause_events),
 441         BNXT_RX_STATS_EXT_COS_ENTRIES,
 442         BNXT_RX_STATS_EXT_PFC_ENTRIES,
 443         BNXT_RX_STATS_EXT_ENTRY(rx_bits),
 444         BNXT_RX_STATS_EXT_ENTRY(rx_buffer_passed_threshold),
 445         BNXT_RX_STATS_EXT_ENTRY(rx_pcs_symbol_err),
 446         BNXT_RX_STATS_EXT_ENTRY(rx_corrected_bits),
 447         BNXT_RX_STATS_EXT_DISCARD_COS_ENTRIES,
 448         BNXT_RX_STATS_EXT_ENTRY(rx_fec_corrected_blocks),
 449         BNXT_RX_STATS_EXT_ENTRY(rx_fec_uncorrectable_blocks),
 450 };
 451
 452 static const struct {
 453         long offset;
 454         char string[ETH_GSTRING_LEN];
 455 } bnxt_tx_port_stats_ext_arr[] = {
 456         BNXT_TX_STATS_EXT_COS_ENTRIES,
 457         BNXT_TX_STATS_EXT_PFC_ENTRIES,
 458 };
 459
 460 static const struct {
 461         long base_off;
 462         char string[ETH_GSTRING_LEN];
 463 } bnxt_rx_bytes_pri_arr[] = {
 464         BNXT_RX_STATS_PRI_ENTRIES(rx_bytes),
 465 };
 466
 467 static const struct {
 468         long base_off;
 469         char string[ETH_GSTRING_LEN];
 470 } bnxt_rx_pkts_pri_arr[] = {
 471         BNXT_RX_STATS_PRI_ENTRIES(rx_packets),
 472 };
 473
 474 static const struct {
 475         long base_off;
 476         char string[ETH_GSTRING_LEN];
 477 } bnxt_tx_bytes_pri_arr[] = {
 478         BNXT_TX_STATS_PRI_ENTRIES(tx_bytes),
 479 };
 480
 481 static const struct {
 482         long base_off;
 483         char string[ETH_GSTRING_LEN];
 484 } bnxt_tx_pkts_pri_arr[] = {
 485         BNXT_TX_STATS_PRI_ENTRIES(tx_packets),
 486 };
 487
 488 #define BNXT_NUM_SW_FUNC_STATS  ARRAY_SIZE(bnxt_sw_func_stats)
 489 #define BNXT_NUM_PORT_STATS ARRAY_SIZE(bnxt_port_stats_arr)
 490 #define BNXT_NUM_STATS_PRI                      \
 491         (ARRAY_SIZE(bnxt_rx_bytes_pri_arr) +    \
 492          ARRAY_SIZE(bnxt_rx_pkts_pri_arr) +     \
 493          ARRAY_SIZE(bnxt_tx_bytes_pri_arr) +    \
 494          ARRAY_SIZE(bnxt_tx_pkts_pri_arr))
 495
 496 static int bnxt_get_num_tpa_ring_stats(struct bnxt *bp)
 497 {
 498         if (BNXT_SUPPORTS_TPA(bp)) {
 499                 if (bp->max_tpa_v2) {
 500                         if (BNXT_CHIP_P5_THOR(bp))
 501                                 return BNXT_NUM_TPA_RING_STATS_P5;
 502                         return BNXT_NUM_TPA_RING_STATS_P5_SR2;
 503                 }
 504                 return BNXT_NUM_TPA_RING_STATS;
 505         }
 506         return 0;
 507 }
 508
 509 static int bnxt_get_num_ring_stats(struct bnxt *bp)
 510 {
 511         int rx, tx, cmn;
 512
 513         rx = NUM_RING_RX_HW_STATS + NUM_RING_RX_SW_STATS +
 514              bnxt_get_num_tpa_ring_stats(bp);
 515         tx = NUM_RING_TX_HW_STATS;
 516         cmn = NUM_RING_CMN_SW_STATS;
 517         return rx * bp->rx_nr_rings + tx * bp->tx_nr_rings +
 518                cmn * bp->cp_nr_rings;
 519 }
 520
 521 static int bnxt_get_num_stats(struct bnxt *bp)
 522 {
 523         int num_stats = bnxt_get_num_ring_stats(bp);
 524
 525         num_stats += BNXT_NUM_SW_FUNC_STATS;
 526
 527         if (bp->flags & BNXT_FLAG_PORT_STATS)
 528                 num_stats += BNXT_NUM_PORT_STATS;
 529
 530         if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) {
 531                 num_stats += bp->fw_rx_stats_ext_size +
 532                              bp->fw_tx_stats_ext_size;
 533                 if (bp->pri2cos_valid)
 534                         num_stats += BNXT_NUM_STATS_PRI;
 535         }
 536
 537         return num_stats;
 538 }
 539
 540 static int bnxt_get_sset_count(struct net_device *dev, int sset)
 541 {
 542         struct bnxt *bp = netdev_priv(dev);
 543
 544         switch (sset) {
 545         case ETH_SS_STATS:
 546                 return bnxt_get_num_stats(bp);
 547         case ETH_SS_TEST:
 548                 if (!bp->num_tests)
 549                         return -EOPNOTSUPP;
 550                 return bp->num_tests;
 551         default:
 552                 return -EOPNOTSUPP;
 553         }
 554 }
 555
 556 static bool is_rx_ring(struct bnxt *bp, int ring_num)
 557 {
 558         return ring_num < bp->rx_nr_rings;
 559 }
 560
 561 static bool is_tx_ring(struct bnxt *bp, int ring_num)
 562 {
 563         int tx_base = 0;
 564
 565         if (!(bp->flags & BNXT_FLAG_SHARED_RINGS))
 566                 tx_base = bp->rx_nr_rings;
 567
 568         if (ring_num >= tx_base && ring_num < (tx_base + bp->tx_nr_rings))
 569                 return true;
 570         return false;
 571 }
 572
 573 static void bnxt_get_ethtool_stats(struct net_device *dev,
 574                                    struct ethtool_stats *stats, u64 *buf)
 575 {
 576         u32 i, j = 0;
 577         struct bnxt *bp = netdev_priv(dev);
 578         u32 tpa_stats;
 579
 580         if (!bp->bnapi) {
 581                 j += bnxt_get_num_ring_stats(bp) + BNXT_NUM_SW_FUNC_STATS;
 582                 goto skip_ring_stats;
 583         }
 584
 585         for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++)
 586                 bnxt_sw_func_stats[i].counter = 0;
 587
 588         tpa_stats = bnxt_get_num_tpa_ring_stats(bp);
 589         for (i = 0; i < bp->cp_nr_rings; i++) {
 590                 struct bnxt_napi *bnapi = bp->bnapi[i];
 591                 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
 592                 u64 *sw_stats = cpr->stats.sw_stats;
 593                 u64 *sw;
 594                 int k;
 595
 596                 if (is_rx_ring(bp, i)) {
 597                         for (k = 0; k < NUM_RING_RX_HW_STATS; j++, k++)
 598                                 buf[j] = sw_stats[k];
 599                 }
 600                 if (is_tx_ring(bp, i)) {
 601                         k = NUM_RING_RX_HW_STATS;
 602                         for (; k < NUM_RING_RX_HW_STATS + NUM_RING_TX_HW_STATS;
 603                                j++, k++)
 604                                 buf[j] = sw_stats[k];
 605                 }
 606                 if (!tpa_stats || !is_rx_ring(bp, i))
 607                         goto skip_tpa_ring_stats;
 608
 609                 k = NUM_RING_RX_HW_STATS + NUM_RING_TX_HW_STATS;
 610                 for (; k < NUM_RING_RX_HW_STATS + NUM_RING_TX_HW_STATS +
 611                            tpa_stats; j++, k++)
 612                         buf[j] = sw_stats[k];
 613
 614 skip_tpa_ring_stats:
 615                 sw = (u64 *)&cpr->sw_stats.rx;
 616                 if (is_rx_ring(bp, i)) {
 617                         for (k = 0; k < NUM_RING_RX_SW_STATS; j++, k++)
 618                                 buf[j] = sw[k];
 619                 }
 620
 621                 sw = (u64 *)&cpr->sw_stats.cmn;
 622                 for (k = 0; k < NUM_RING_CMN_SW_STATS; j++, k++)
 623                         buf[j] = sw[k];
 624
 625                 bnxt_sw_func_stats[RX_TOTAL_DISCARDS].counter +=
 626                         BNXT_GET_RING_STATS64(sw_stats, rx_discard_pkts);
 627                 bnxt_sw_func_stats[TX_TOTAL_DISCARDS].counter +=
 628                         BNXT_GET_RING_STATS64(sw_stats, tx_discard_pkts);
 629                 bnxt_sw_func_stats[RX_NETPOLL_DISCARDS].counter +=
 630                         cpr->sw_stats.rx.rx_netpoll_discards;
 631         }
 632
 633         for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++, j++)
 634                 buf[j] = bnxt_sw_func_stats[i].counter;
 635
 636 skip_ring_stats:
 637         if (bp->flags & BNXT_FLAG_PORT_STATS) {
 638                 u64 *port_stats = bp->port_stats.sw_stats;
 639
 640                 for (i = 0; i < BNXT_NUM_PORT_STATS; i++, j++)
 641                         buf[j] = *(port_stats + bnxt_port_stats_arr[i].offset);
 642         }
 643         if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) {
 644                 u64 *rx_port_stats_ext = bp->rx_port_stats_ext.sw_stats;
 645                 u64 *tx_port_stats_ext = bp->tx_port_stats_ext.sw_stats;
 646
 647                 for (i = 0; i < bp->fw_rx_stats_ext_size; i++, j++) {
 648                         buf[j] = *(rx_port_stats_ext +
 649                                    bnxt_port_stats_ext_arr[i].offset);
 650                 }
 651                 for (i = 0; i < bp->fw_tx_stats_ext_size; i++, j++) {
 652                         buf[j] = *(tx_port_stats_ext +
 653                                    bnxt_tx_port_stats_ext_arr[i].offset);
 654                 }
 655                 if (bp->pri2cos_valid) {
 656                         for (i = 0; i < 8; i++, j++) {
 657                                 long n = bnxt_rx_bytes_pri_arr[i].base_off +
 658                                          bp->pri2cos_idx[i];
 659
 660                                 buf[j] = *(rx_port_stats_ext + n);
 661                         }
 662                         for (i = 0; i < 8; i++, j++) {
 663                                 long n = bnxt_rx_pkts_pri_arr[i].base_off +
 664                                          bp->pri2cos_idx[i];
 665
 666                                 buf[j] = *(rx_port_stats_ext + n);
 667                         }
 668                         for (i = 0; i < 8; i++, j++) {
 669                                 long n = bnxt_tx_bytes_pri_arr[i].base_off +
 670                                          bp->pri2cos_idx[i];
 671
 672                                 buf[j] = *(tx_port_stats_ext + n);
 673                         }
 674                         for (i = 0; i < 8; i++, j++) {
 675                                 long n = bnxt_tx_pkts_pri_arr[i].base_off +
 676                                          bp->pri2cos_idx[i];
 677
 678                                 buf[j] = *(tx_port_stats_ext + n);
 679                         }
 680                 }
 681         }
 682 }
 683
 684 static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
 685 {
 686         struct bnxt *bp = netdev_priv(dev);
 687         static const char * const *str;
 688         u32 i, j, num_str;
 689
 690         switch (stringset) {
 691         case ETH_SS_STATS:
 692                 for (i = 0; i < bp->cp_nr_rings; i++) {
 693                         if (is_rx_ring(bp, i)) {
 694                                 num_str = NUM_RING_RX_HW_STATS;
 695                                 for (j = 0; j < num_str; j++) {
 696                                         sprintf(buf, "[%d]: %s", i,
 697                                                 bnxt_ring_rx_stats_str[j]);
 698                                         buf += ETH_GSTRING_LEN;
 699                                 }
 700                         }
 701                         if (is_tx_ring(bp, i)) {
 702                                 num_str = NUM_RING_TX_HW_STATS;
 703                                 for (j = 0; j < num_str; j++) {
 704                                         sprintf(buf, "[%d]: %s", i,
 705                                                 bnxt_ring_tx_stats_str[j]);
 706                                         buf += ETH_GSTRING_LEN;
 707                                 }
 708                         }
 709                         num_str = bnxt_get_num_tpa_ring_stats(bp);
 710                         if (!num_str || !is_rx_ring(bp, i))
 711                                 goto skip_tpa_stats;
 712
 713                         if (bp->max_tpa_v2)
 714                                 str = bnxt_ring_tpa2_stats_str;
 715                         else
 716                                 str = bnxt_ring_tpa_stats_str;
 717
 718                         for (j = 0; j < num_str; j++) {
 719                                 sprintf(buf, "[%d]: %s", i, str[j]);
 720                                 buf += ETH_GSTRING_LEN;
 721                         }
 722 skip_tpa_stats:
 723                         if (is_rx_ring(bp, i)) {
 724                                 num_str = NUM_RING_RX_SW_STATS;
 725                                 for (j = 0; j < num_str; j++) {
 726                                         sprintf(buf, "[%d]: %s", i,
 727                                                 bnxt_rx_sw_stats_str[j]);
 728                                         buf += ETH_GSTRING_LEN;
 729                                 }
 730                         }
 731                         num_str = NUM_RING_CMN_SW_STATS;
 732                         for (j = 0; j < num_str; j++) {
 733                                 sprintf(buf, "[%d]: %s", i,
 734                                         bnxt_cmn_sw_stats_str[j]);
 735                                 buf += ETH_GSTRING_LEN;
 736                         }
 737                 }
 738                 for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++) {
 739                         strcpy(buf, bnxt_sw_func_stats[i].string);
 740                         buf += ETH_GSTRING_LEN;
 741                 }
 742
 743                 if (bp->flags & BNXT_FLAG_PORT_STATS) {
 744                         for (i = 0; i < BNXT_NUM_PORT_STATS; i++) {
 745                                 strcpy(buf, bnxt_port_stats_arr[i].string);
 746                                 buf += ETH_GSTRING_LEN;
 747                         }
 748                 }
 749                 if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) {
 750                         for (i = 0; i < bp->fw_rx_stats_ext_size; i++) {
 751                                 strcpy(buf, bnxt_port_stats_ext_arr[i].string);
 752                                 buf += ETH_GSTRING_LEN;
 753                         }
 754                         for (i = 0; i < bp->fw_tx_stats_ext_size; i++) {
 755                                 strcpy(buf,
 756                                        bnxt_tx_port_stats_ext_arr[i].string);
 757                                 buf += ETH_GSTRING_LEN;
 758                         }
 759                         if (bp->pri2cos_valid) {
 760                                 for (i = 0; i < 8; i++) {
 761                                         strcpy(buf,
 762                                                bnxt_rx_bytes_pri_arr[i].string);
 763                                         buf += ETH_GSTRING_LEN;
 764                                 }
 765                                 for (i = 0; i < 8; i++) {
 766                                         strcpy(buf,
 767                                                bnxt_rx_pkts_pri_arr[i].string);
 768                                         buf += ETH_GSTRING_LEN;
 769                                 }
 770                                 for (i = 0; i < 8; i++) {
 771                                         strcpy(buf,
 772                                                bnxt_tx_bytes_pri_arr[i].string);
 773                                         buf += ETH_GSTRING_LEN;
 774                                 }
 775                                 for (i = 0; i < 8; i++) {
 776                                         strcpy(buf,
 777                                                bnxt_tx_pkts_pri_arr[i].string);
 778                                         buf += ETH_GSTRING_LEN;
 779                                 }
 780                         }
 781                 }
 782                 break;
 783         case ETH_SS_TEST:
 784                 if (bp->num_tests)
 785                         memcpy(buf, bp->test_info->string,
 786                                bp->num_tests * ETH_GSTRING_LEN);
 787                 break;
 788         default:
 789                 netdev_err(bp->dev, "bnxt_get_strings invalid request %x\n",
 790                            stringset);
 791                 break;
 792         }
 793 }
 794
 795 static void bnxt_get_ringparam(struct net_device *dev,
 796                                struct ethtool_ringparam *ering,
 797                                struct kernel_ethtool_ringparam *kernel_ering,
 798                                struct netlink_ext_ack *extack)
 799 {
 800         struct bnxt *bp = netdev_priv(dev);
 801
 802         if (bp->flags & BNXT_FLAG_AGG_RINGS) {
 803                 ering->rx_max_pending = BNXT_MAX_RX_DESC_CNT_JUM_ENA;
 804                 ering->rx_jumbo_max_pending = BNXT_MAX_RX_JUM_DESC_CNT;
 805         } else {
 806                 ering->rx_max_pending = BNXT_MAX_RX_DESC_CNT;
 807                 ering->rx_jumbo_max_pending = 0;
 808         }
 809         ering->tx_max_pending = BNXT_MAX_TX_DESC_CNT;
 810
 811         ering->rx_pending = bp->rx_ring_size;
 812         ering->rx_jumbo_pending = bp->rx_agg_ring_size;
 813         ering->tx_pending = bp->tx_ring_size;
 814 }
 815
 816 static int bnxt_set_ringparam(struct net_device *dev,
 817                               struct ethtool_ringparam *ering,
 818                               struct kernel_ethtool_ringparam *kernel_ering,
 819                               struct netlink_ext_ack *extack)
 820 {
 821         struct bnxt *bp = netdev_priv(dev);
 822
 823         if ((ering->rx_pending > BNXT_MAX_RX_DESC_CNT) ||
 824             (ering->tx_pending > BNXT_MAX_TX_DESC_CNT) ||
 825             (ering->tx_pending < BNXT_MIN_TX_DESC_CNT))
 826                 return -EINVAL;
 827
 828         if (netif_running(dev))
 829                 bnxt_close_nic(bp, false, false);
 830
 831         bp->rx_ring_size = ering->rx_pending;
 832         bp->tx_ring_size = ering->tx_pending;
 833         bnxt_set_ring_params(bp);
 834
 835         if (netif_running(dev))
 836                 return bnxt_open_nic(bp, false, false);
 837
 838         return 0;
 839 }
 840
 841 static void bnxt_get_channels(struct net_device *dev,
 842                               struct ethtool_channels *channel)
 843 {
 844         struct bnxt *bp = netdev_priv(dev);
 845         struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
 846         int max_rx_rings, max_tx_rings, tcs;
 847         int max_tx_sch_inputs, tx_grps;
 848
 849         /* Get the most up-to-date max_tx_sch_inputs. */
 850         if (netif_running(dev) && BNXT_NEW_RM(bp))
 851                 bnxt_hwrm_func_resc_qcaps(bp, false);
 852         max_tx_sch_inputs = hw_resc->max_tx_sch_inputs;
 853
 854         bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, true);
 855         if (max_tx_sch_inputs)
 856                 max_tx_rings = min_t(int, max_tx_rings, max_tx_sch_inputs);
 857
 858         tcs = netdev_get_num_tc(dev);
 859         tx_grps = max(tcs, 1);
 860         if (bp->tx_nr_rings_xdp)
 861                 tx_grps++;
 862         max_tx_rings /= tx_grps;
 863         channel->max_combined = min_t(int, max_rx_rings, max_tx_rings);
 864
 865         if (bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, false)) {
 866                 max_rx_rings = 0;
 867                 max_tx_rings = 0;
 868         }
 869         if (max_tx_sch_inputs)
 870                 max_tx_rings = min_t(int, max_tx_rings, max_tx_sch_inputs);
 871
 872         if (tcs > 1)
 873                 max_tx_rings /= tcs;
 874
 875         channel->max_rx = max_rx_rings;
 876         channel->max_tx = max_tx_rings;
 877         channel->max_other = 0;
 878         if (bp->flags & BNXT_FLAG_SHARED_RINGS) {
 879                 channel->combined_count = bp->rx_nr_rings;
 880                 if (BNXT_CHIP_TYPE_NITRO_A0(bp))
 881                         channel->combined_count--;
 882         } else {
 883                 if (!BNXT_CHIP_TYPE_NITRO_A0(bp)) {
 884                         channel->rx_count = bp->rx_nr_rings;
 885                         channel->tx_count = bp->tx_nr_rings_per_tc;
 886                 }
 887         }
 888 }
 889
 890 static int bnxt_set_channels(struct net_device *dev,
 891                              struct ethtool_channels *channel)
 892 {
 893         struct bnxt *bp = netdev_priv(dev);
 894         int req_tx_rings, req_rx_rings, tcs;
 895         bool sh = false;
 896         int tx_xdp = 0;
 897         int rc = 0;
 898
 899         if (channel->other_count)
 900                 return -EINVAL;
 901
 902         if (!channel->combined_count &&
 903             (!channel->rx_count || !channel->tx_count))
 904                 return -EINVAL;
 905
 906         if (channel->combined_count &&
 907             (channel->rx_count || channel->tx_count))
 908                 return -EINVAL;
 909
 910         if (BNXT_CHIP_TYPE_NITRO_A0(bp) && (channel->rx_count ||
 911                                             channel->tx_count))
 912                 return -EINVAL;
 913
 914         if (channel->combined_count)
 915                 sh = true;
 916
 917         tcs = netdev_get_num_tc(dev);
 918
 919         req_tx_rings = sh ? channel->combined_count : channel->tx_count;
 920         req_rx_rings = sh ? channel->combined_count : channel->rx_count;
 921         if (bp->tx_nr_rings_xdp) {
 922                 if (!sh) {
 923                         netdev_err(dev, "Only combined mode supported when XDP is enabled.\n");
 924                         return -EINVAL;
 925                 }
 926                 tx_xdp = req_rx_rings;
 927         }
 928         rc = bnxt_check_rings(bp, req_tx_rings, req_rx_rings, sh, tcs, tx_xdp);
 929         if (rc) {
 930                 netdev_warn(dev, "Unable to allocate the requested rings\n");
 931                 return rc;
 932         }
 933
 934         if (bnxt_get_nr_rss_ctxs(bp, req_rx_rings) !=
 935             bnxt_get_nr_rss_ctxs(bp, bp->rx_nr_rings) &&
 936             netif_is_rxfh_configured(dev)) {
 937                 netdev_warn(dev, "RSS table size change required, RSS table entries must be default to proceed\n");
 938                 return -EINVAL;
 939         }
 940
 941         if (netif_running(dev)) {
 942                 if (BNXT_PF(bp)) {
 943                         /* TODO CHIMP_FW: Send message to all VF's
 944                          * before PF unload
 945                          */
 946                 }
 947                 rc = bnxt_close_nic(bp, true, false);
 948                 if (rc) {
 949                         netdev_err(bp->dev, "Set channel failure rc :%x\n",
 950                                    rc);
 951                         return rc;
 952                 }
 953         }
 954
 955         if (sh) {
 956                 bp->flags |= BNXT_FLAG_SHARED_RINGS;
 957                 bp->rx_nr_rings = channel->combined_count;
 958                 bp->tx_nr_rings_per_tc = channel->combined_count;
 959         } else {
 960                 bp->flags &= ~BNXT_FLAG_SHARED_RINGS;
 961                 bp->rx_nr_rings = channel->rx_count;
 962                 bp->tx_nr_rings_per_tc = channel->tx_count;
 963         }
 964         bp->tx_nr_rings_xdp = tx_xdp;
 965         bp->tx_nr_rings = bp->tx_nr_rings_per_tc + tx_xdp;
 966         if (tcs > 1)
 967                 bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs + tx_xdp;
 968
 969         bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) :
 970                                bp->tx_nr_rings + bp->rx_nr_rings;
 971
 972         /* After changing number of rx channels, update NTUPLE feature. */
 973         netdev_update_features(dev);
 974         if (netif_running(dev)) {
 975                 rc = bnxt_open_nic(bp, true, false);
 976                 if ((!rc) && BNXT_PF(bp)) {
 977                         /* TODO CHIMP_FW: Send message to all VF's
 978                          * to renable
 979                          */
 980                 }
 981         } else {
 982                 rc = bnxt_reserve_rings(bp, true);
 983         }
 984
 985         return rc;
 986 }
 987
 988 #ifdef CONFIG_RFS_ACCEL
 989 static int bnxt_grxclsrlall(struct bnxt *bp, struct ethtool_rxnfc *cmd,
 990                             u32 *rule_locs)
 991 {
 992         int i, j = 0;
 993
 994         cmd->data = bp->ntp_fltr_count;
 995         for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
 996                 struct hlist_head *head;
 997                 struct bnxt_ntuple_filter *fltr;
 998
 999                 head = &bp->ntp_fltr_hash_tbl[i];
1000                 rcu_read_lock();
1001                 hlist_for_each_entry_rcu(fltr, head, hash) {
1002                         if (j == cmd->rule_cnt)
1003                                 break;
1004                         rule_locs[j++] = fltr->sw_id;
1005                 }
1006                 rcu_read_unlock();
1007                 if (j == cmd->rule_cnt)
1008                         break;
1009         }
1010         cmd->rule_cnt = j;
1011         return 0;
1012 }
1013
1014 static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd)
1015 {
1016         struct ethtool_rx_flow_spec *fs =
1017                 (struct ethtool_rx_flow_spec *)&cmd->fs;
1018         struct bnxt_ntuple_filter *fltr;
1019         struct flow_keys *fkeys;
1020         int i, rc = -EINVAL;
1021
1022         if (fs->location >= BNXT_NTP_FLTR_MAX_FLTR)
1023                 return rc;
1024
1025         for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
1026                 struct hlist_head *head;
1027
1028                 head = &bp->ntp_fltr_hash_tbl[i];
1029                 rcu_read_lock();
1030                 hlist_for_each_entry_rcu(fltr, head, hash) {
1031                         if (fltr->sw_id == fs->location)
1032                                 goto fltr_found;
1033                 }
1034                 rcu_read_unlock();
1035         }
1036         return rc;
1037
1038 fltr_found:
1039         fkeys = &fltr->fkeys;
1040         if (fkeys->basic.n_proto == htons(ETH_P_IP)) {
1041                 if (fkeys->basic.ip_proto == IPPROTO_TCP)
1042                         fs->flow_type = TCP_V4_FLOW;
1043                 else if (fkeys->basic.ip_proto == IPPROTO_UDP)
1044                         fs->flow_type = UDP_V4_FLOW;
1045                 else
1046                         goto fltr_err;
1047
1048                 fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src;
1049                 fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0);
1050
1051                 fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst;
1052                 fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0);
1053
1054                 fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src;
1055                 fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0);
1056
1057                 fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst;
1058                 fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0);
1059         } else {
1060                 int i;
1061
1062                 if (fkeys->basic.ip_proto == IPPROTO_TCP)
1063                         fs->flow_type = TCP_V6_FLOW;
1064                 else if (fkeys->basic.ip_proto == IPPROTO_UDP)
1065                         fs->flow_type = UDP_V6_FLOW;
1066                 else
1067                         goto fltr_err;
1068
1069                 *(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6src[0] =
1070                         fkeys->addrs.v6addrs.src;
1071                 *(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6dst[0] =
1072                         fkeys->addrs.v6addrs.dst;
1073                 for (i = 0; i < 4; i++) {
1074                         fs->m_u.tcp_ip6_spec.ip6src[i] = cpu_to_be32(~0);
1075                         fs->m_u.tcp_ip6_spec.ip6dst[i] = cpu_to_be32(~0);
1076                 }
1077                 fs->h_u.tcp_ip6_spec.psrc = fkeys->ports.src;
1078                 fs->m_u.tcp_ip6_spec.psrc = cpu_to_be16(~0);
1079
1080                 fs->h_u.tcp_ip6_spec.pdst = fkeys->ports.dst;
1081                 fs->m_u.tcp_ip6_spec.pdst = cpu_to_be16(~0);
1082         }
1083
1084         fs->ring_cookie = fltr->rxq;
1085         rc = 0;
1086
1087 fltr_err:
1088         rcu_read_unlock();
1089
1090         return rc;
1091 }
1092 #endif
1093
1094 static u64 get_ethtool_ipv4_rss(struct bnxt *bp)
1095 {
1096         if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4)
1097                 return RXH_IP_SRC | RXH_IP_DST;
1098         return 0;
1099 }
1100
1101 static u64 get_ethtool_ipv6_rss(struct bnxt *bp)
1102 {
1103         if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6)
1104                 return RXH_IP_SRC | RXH_IP_DST;
1105         return 0;
1106 }
1107
1108 static int bnxt_grxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd)
1109 {
1110         cmd->data = 0;
1111         switch (cmd->flow_type) {
1112         case TCP_V4_FLOW:
1113                 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4)
1114                         cmd->data |= RXH_IP_SRC | RXH_IP_DST |
1115                                      RXH_L4_B_0_1 | RXH_L4_B_2_3;
1116                 cmd->data |= get_ethtool_ipv4_rss(bp);
1117                 break;
1118         case UDP_V4_FLOW:
1119                 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4)
1120                         cmd->data |= RXH_IP_SRC | RXH_IP_DST |
1121                                      RXH_L4_B_0_1 | RXH_L4_B_2_3;
1122                 fallthrough;
1123         case SCTP_V4_FLOW:
1124         case AH_ESP_V4_FLOW:
1125         case AH_V4_FLOW:
1126         case ESP_V4_FLOW:
1127         case IPV4_FLOW:
1128                 cmd->data |= get_ethtool_ipv4_rss(bp);
1129                 break;
1130
1131         case TCP_V6_FLOW:
1132                 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6)
1133                         cmd->data |= RXH_IP_SRC | RXH_IP_DST |
1134                                      RXH_L4_B_0_1 | RXH_L4_B_2_3;
1135                 cmd->data |= get_ethtool_ipv6_rss(bp);
1136                 break;
1137         case UDP_V6_FLOW:
1138                 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6)
1139                         cmd->data |= RXH_IP_SRC | RXH_IP_DST |
1140                                      RXH_L4_B_0_1 | RXH_L4_B_2_3;
1141                 fallthrough;
1142         case SCTP_V6_FLOW:
1143         case AH_ESP_V6_FLOW:
1144         case AH_V6_FLOW:
1145         case ESP_V6_FLOW:
1146         case IPV6_FLOW:
1147                 cmd->data |= get_ethtool_ipv6_rss(bp);
1148                 break;
1149         }
1150         return 0;
1151 }
1152
1153 #define RXH_4TUPLE (RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 | RXH_L4_B_2_3)
1154 #define RXH_2TUPLE (RXH_IP_SRC | RXH_IP_DST)
1155
1156 static int bnxt_srxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd)
1157 {
1158         u32 rss_hash_cfg = bp->rss_hash_cfg;
1159         int tuple, rc = 0;
1160
1161         if (cmd->data == RXH_4TUPLE)
1162                 tuple = 4;
1163         else if (cmd->data == RXH_2TUPLE)
1164                 tuple = 2;
1165         else if (!cmd->data)
1166                 tuple = 0;
1167         else
1168                 return -EINVAL;
1169
1170         if (cmd->flow_type == TCP_V4_FLOW) {
1171                 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4;
1172                 if (tuple == 4)
1173                         rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4;
1174         } else if (cmd->flow_type == UDP_V4_FLOW) {
1175                 if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP))
1176                         return -EINVAL;
1177                 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4;
1178                 if (tuple == 4)
1179                         rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4;
1180         } else if (cmd->flow_type == TCP_V6_FLOW) {
1181                 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6;
1182                 if (tuple == 4)
1183                         rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6;
1184         } else if (cmd->flow_type == UDP_V6_FLOW) {
1185                 if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP))
1186                         return -EINVAL;
1187                 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6;
1188                 if (tuple == 4)
1189                         rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6;
1190         } else if (tuple == 4) {
1191                 return -EINVAL;
1192         }
1193
1194         switch (cmd->flow_type) {
1195         case TCP_V4_FLOW:
1196         case UDP_V4_FLOW:
1197         case SCTP_V4_FLOW:
1198         case AH_ESP_V4_FLOW:
1199         case AH_V4_FLOW:
1200         case ESP_V4_FLOW:
1201         case IPV4_FLOW:
1202                 if (tuple == 2)
1203                         rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4;
1204                 else if (!tuple)
1205                         rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4;
1206                 break;
1207
1208         case TCP_V6_FLOW:
1209         case UDP_V6_FLOW:
1210         case SCTP_V6_FLOW:
1211         case AH_ESP_V6_FLOW:
1212         case AH_V6_FLOW:
1213         case ESP_V6_FLOW:
1214         case IPV6_FLOW:
1215                 if (tuple == 2)
1216                         rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6;
1217                 else if (!tuple)
1218                         rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6;
1219                 break;
1220         }
1221
1222         if (bp->rss_hash_cfg == rss_hash_cfg)
1223                 return 0;
1224
1225         bp->rss_hash_cfg = rss_hash_cfg;
1226         if (netif_running(bp->dev)) {
1227                 bnxt_close_nic(bp, false, false);
1228                 rc = bnxt_open_nic(bp, false, false);
1229         }
1230         return rc;
1231 }
1232
1233 static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
1234                           u32 *rule_locs)
1235 {
1236         struct bnxt *bp = netdev_priv(dev);
1237         int rc = 0;
1238
1239         switch (cmd->cmd) {
1240 #ifdef CONFIG_RFS_ACCEL
1241         case ETHTOOL_GRXRINGS:
1242                 cmd->data = bp->rx_nr_rings;
1243                 break;
1244
1245         case ETHTOOL_GRXCLSRLCNT:
1246                 cmd->rule_cnt = bp->ntp_fltr_count;
1247                 cmd->data = BNXT_NTP_FLTR_MAX_FLTR;
1248                 break;
1249
1250         case ETHTOOL_GRXCLSRLALL:
1251                 rc = bnxt_grxclsrlall(bp, cmd, (u32 *)rule_locs);
1252                 break;
1253
1254         case ETHTOOL_GRXCLSRULE:
1255                 rc = bnxt_grxclsrule(bp, cmd);
1256                 break;
1257 #endif
1258
1259         case ETHTOOL_GRXFH:
1260                 rc = bnxt_grxfh(bp, cmd);
1261                 break;
1262
1263         default:
1264                 rc = -EOPNOTSUPP;
1265                 break;
1266         }
1267
1268         return rc;
1269 }
1270
1271 static int bnxt_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
1272 {
1273         struct bnxt *bp = netdev_priv(dev);
1274         int rc;
1275
1276         switch (cmd->cmd) {
1277         case ETHTOOL_SRXFH:
1278                 rc = bnxt_srxfh(bp, cmd);
1279                 break;
1280
1281         default:
1282                 rc = -EOPNOTSUPP;
1283                 break;
1284         }
1285         return rc;
1286 }
1287
1288 u32 bnxt_get_rxfh_indir_size(struct net_device *dev)
1289 {
1290         struct bnxt *bp = netdev_priv(dev);
1291
1292         if (bp->flags & BNXT_FLAG_CHIP_P5)
1293                 return ALIGN(bp->rx_nr_rings, BNXT_RSS_TABLE_ENTRIES_P5);
1294         return HW_HASH_INDEX_SIZE;
1295 }
1296
1297 static u32 bnxt_get_rxfh_key_size(struct net_device *dev)
1298 {
1299         return HW_HASH_KEY_SIZE;
1300 }
1301
1302 static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
1303                          u8 *hfunc)
1304 {
1305         struct bnxt *bp = netdev_priv(dev);
1306         struct bnxt_vnic_info *vnic;
1307         u32 i, tbl_size;
1308
1309         if (hfunc)
1310                 *hfunc = ETH_RSS_HASH_TOP;
1311
1312         if (!bp->vnic_info)
1313                 return 0;
1314
1315         vnic = &bp->vnic_info[0];
1316         if (indir && bp->rss_indir_tbl) {
1317                 tbl_size = bnxt_get_rxfh_indir_size(dev);
1318                 for (i = 0; i < tbl_size; i++)
1319                         indir[i] = bp->rss_indir_tbl[i];
1320         }
1321
1322         if (key && vnic->rss_hash_key)
1323                 memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE);
1324
1325         return 0;
1326 }
1327
1328 static int bnxt_set_rxfh(struct net_device *dev, const u32 *indir,
1329                          const u8 *key, const u8 hfunc)
1330 {
1331         struct bnxt *bp = netdev_priv(dev);
1332         int rc = 0;
1333
1334         if (hfunc && hfunc != ETH_RSS_HASH_TOP)
1335                 return -EOPNOTSUPP;
1336
1337         if (key)
1338                 return -EOPNOTSUPP;
1339
1340         if (indir) {
1341                 u32 i, pad, tbl_size = bnxt_get_rxfh_indir_size(dev);
1342
1343                 for (i = 0; i < tbl_size; i++)
1344                         bp->rss_indir_tbl[i] = indir[i];
1345                 pad = bp->rss_indir_tbl_entries - tbl_size;
1346                 if (pad)
1347                         memset(&bp->rss_indir_tbl[i], 0, pad * sizeof(u16));
1348         }
1349
1350         if (netif_running(bp->dev)) {
1351                 bnxt_close_nic(bp, false, false);
1352                 rc = bnxt_open_nic(bp, false, false);
1353         }
1354         return rc;
1355 }
1356
1357 static void bnxt_get_drvinfo(struct net_device *dev,
1358                              struct ethtool_drvinfo *info)
1359 {
1360         struct bnxt *bp = netdev_priv(dev);
1361
1362         strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
1363         strlcpy(info->fw_version, bp->fw_ver_str, sizeof(info->fw_version));
1364         strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
1365         info->n_stats = bnxt_get_num_stats(bp);
1366         info->testinfo_len = bp->num_tests;
1367         /* TODO CHIMP_FW: eeprom dump details */
1368         info->eedump_len = 0;
1369         /* TODO CHIMP FW: reg dump details */
1370         info->regdump_len = 0;
1371 }
1372
1373 static int bnxt_get_regs_len(struct net_device *dev)
1374 {
1375         struct bnxt *bp = netdev_priv(dev);
1376         int reg_len;
1377
1378         if (!BNXT_PF(bp))
1379                 return -EOPNOTSUPP;
1380
1381         reg_len = BNXT_PXP_REG_LEN;
1382
1383         if (bp->fw_cap & BNXT_FW_CAP_PCIE_STATS_SUPPORTED)
1384                 reg_len += sizeof(struct pcie_ctx_hw_stats);
1385
1386         return reg_len;
1387 }
1388
1389 static void bnxt_get_regs(struct net_device *dev, struct ethtool_regs *regs,
1390                           void *_p)
1391 {
1392         struct pcie_ctx_hw_stats *hw_pcie_stats;
1393         struct hwrm_pcie_qstats_input *req;
1394         struct bnxt *bp = netdev_priv(dev);
1395         dma_addr_t hw_pcie_stats_addr;
1396         int rc;
1397
1398         regs->version = 0;
1399         bnxt_dbg_hwrm_rd_reg(bp, 0, BNXT_PXP_REG_LEN / 4, _p);
1400
1401         if (!(bp->fw_cap & BNXT_FW_CAP_PCIE_STATS_SUPPORTED))
1402                 return;
1403
1404         if (hwrm_req_init(bp, req, HWRM_PCIE_QSTATS))
1405                 return;
1406
1407         hw_pcie_stats = hwrm_req_dma_slice(bp, req, sizeof(*hw_pcie_stats),
1408                                            &hw_pcie_stats_addr);
1409         if (!hw_pcie_stats) {
1410                 hwrm_req_drop(bp, req);
1411                 return;
1412         }
1413
1414         regs->version = 1;
1415         hwrm_req_hold(bp, req); /* hold on to slice */
1416         req->pcie_stat_size = cpu_to_le16(sizeof(*hw_pcie_stats));
1417         req->pcie_stat_host_addr = cpu_to_le64(hw_pcie_stats_addr);
1418         rc = hwrm_req_send(bp, req);
1419         if (!rc) {
1420                 __le64 *src = (__le64 *)hw_pcie_stats;
1421                 u64 *dst = (u64 *)(_p + BNXT_PXP_REG_LEN);
1422                 int i;
1423
1424                 for (i = 0; i < sizeof(*hw_pcie_stats) / sizeof(__le64); i++)
1425                         dst[i] = le64_to_cpu(src[i]);
1426         }
1427         hwrm_req_drop(bp, req);
1428 }
1429
1430 static void bnxt_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1431 {
1432         struct bnxt *bp = netdev_priv(dev);
1433
1434         wol->supported = 0;
1435         wol->wolopts = 0;
1436         memset(&wol->sopass, 0, sizeof(wol->sopass));
1437         if (bp->flags & BNXT_FLAG_WOL_CAP) {
1438                 wol->supported = WAKE_MAGIC;
1439                 if (bp->wol)
1440                         wol->wolopts = WAKE_MAGIC;
1441         }
1442 }
1443
1444 static int bnxt_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1445 {
1446         struct bnxt *bp = netdev_priv(dev);
1447
1448         if (wol->wolopts & ~WAKE_MAGIC)
1449                 return -EINVAL;
1450
1451         if (wol->wolopts & WAKE_MAGIC) {
1452                 if (!(bp->flags & BNXT_FLAG_WOL_CAP))
1453                         return -EINVAL;
1454                 if (!bp->wol) {
1455                         if (bnxt_hwrm_alloc_wol_fltr(bp))
1456                                 return -EBUSY;
1457                         bp->wol = 1;
1458                 }
1459         } else {
1460                 if (bp->wol) {
1461                         if (bnxt_hwrm_free_wol_fltr(bp))
1462                                 return -EBUSY;
1463                         bp->wol = 0;
1464                 }
1465         }
1466         return 0;
1467 }
1468
1469 u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause)
1470 {
1471         u32 speed_mask = 0;
1472
1473         /* TODO: support 25GB, 40GB, 50GB with different cable type */
1474         /* set the advertised speeds */
1475         if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB)
1476                 speed_mask |= ADVERTISED_100baseT_Full;
1477         if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB)
1478                 speed_mask |= ADVERTISED_1000baseT_Full;
1479         if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB)
1480                 speed_mask |= ADVERTISED_2500baseX_Full;
1481         if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB)
1482                 speed_mask |= ADVERTISED_10000baseT_Full;
1483         if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB)
1484                 speed_mask |= ADVERTISED_40000baseCR4_Full;
1485
1486         if ((fw_pause & BNXT_LINK_PAUSE_BOTH) == BNXT_LINK_PAUSE_BOTH)
1487                 speed_mask |= ADVERTISED_Pause;
1488         else if (fw_pause & BNXT_LINK_PAUSE_TX)
1489                 speed_mask |= ADVERTISED_Asym_Pause;
1490         else if (fw_pause & BNXT_LINK_PAUSE_RX)
1491                 speed_mask |= ADVERTISED_Pause | ADVERTISED_Asym_Pause;
1492
1493         return speed_mask;
1494 }
1495
1496 #define BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, name)\
1497 {                                                                       \
1498         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100MB)                    \
1499                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1500                                                      100baseT_Full);    \
1501         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_1GB)                      \
1502                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1503                                                      1000baseT_Full);   \
1504         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_10GB)                     \
1505                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1506                                                      10000baseT_Full);  \
1507         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_25GB)                     \
1508                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1509                                                      25000baseCR_Full); \
1510         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_40GB)                     \
1511                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1512                                                      40000baseCR4_Full);\
1513         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_50GB)                     \
1514                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1515                                                      50000baseCR2_Full);\
1516         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100GB)                    \
1517                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1518                                                      100000baseCR4_Full);\
1519         if ((fw_pause) & BNXT_LINK_PAUSE_RX) {                          \
1520                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1521                                                      Pause);            \
1522                 if (!((fw_pause) & BNXT_LINK_PAUSE_TX))                 \
1523                         ethtool_link_ksettings_add_link_mode(           \
1524                                         lk_ksettings, name, Asym_Pause);\
1525         } else if ((fw_pause) & BNXT_LINK_PAUSE_TX) {                   \
1526                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1527                                                      Asym_Pause);       \
1528         }                                                               \
1529 }
1530
1531 #define BNXT_ETHTOOL_TO_FW_SPDS(fw_speeds, lk_ksettings, name)          \
1532 {                                                                       \
1533         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1534                                                   100baseT_Full) ||     \
1535             ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1536                                                   100baseT_Half))       \
1537                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_100MB;               \
1538         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1539                                                   1000baseT_Full) ||    \
1540             ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1541                                                   1000baseT_Half))      \
1542                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_1GB;                 \
1543         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1544                                                   10000baseT_Full))     \
1545                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_10GB;                \
1546         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1547                                                   25000baseCR_Full))    \
1548                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_25GB;                \
1549         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1550                                                   40000baseCR4_Full))   \
1551                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_40GB;                \
1552         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1553                                                   50000baseCR2_Full))   \
1554                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_50GB;                \
1555         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1556                                                   100000baseCR4_Full))  \
1557                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_100GB;               \
1558 }
1559
1560 #define BNXT_FW_TO_ETHTOOL_PAM4_SPDS(fw_speeds, lk_ksettings, name)     \
1561 {                                                                       \
1562         if ((fw_speeds) & BNXT_LINK_PAM4_SPEED_MSK_50GB)                \
1563                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1564                                                      50000baseCR_Full); \
1565         if ((fw_speeds) & BNXT_LINK_PAM4_SPEED_MSK_100GB)               \
1566                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1567                                                      100000baseCR2_Full);\
1568         if ((fw_speeds) & BNXT_LINK_PAM4_SPEED_MSK_200GB)               \
1569                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1570                                                      200000baseCR4_Full);\
1571 }
1572
1573 #define BNXT_ETHTOOL_TO_FW_PAM4_SPDS(fw_speeds, lk_ksettings, name)     \
1574 {                                                                       \
1575         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1576                                                   50000baseCR_Full))    \
1577                 (fw_speeds) |= BNXT_LINK_PAM4_SPEED_MSK_50GB;           \
1578         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1579                                                   100000baseCR2_Full))  \
1580                 (fw_speeds) |= BNXT_LINK_PAM4_SPEED_MSK_100GB;          \
1581         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1582                                                   200000baseCR4_Full))  \
1583                 (fw_speeds) |= BNXT_LINK_PAM4_SPEED_MSK_200GB;          \
1584 }
1585
1586 static void bnxt_fw_to_ethtool_advertised_fec(struct bnxt_link_info *link_info,
1587                                 struct ethtool_link_ksettings *lk_ksettings)
1588 {
1589         u16 fec_cfg = link_info->fec_cfg;
1590
1591         if ((fec_cfg & BNXT_FEC_NONE) || !(fec_cfg & BNXT_FEC_AUTONEG)) {
1592                 linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_NONE_BIT,
1593                                  lk_ksettings->link_modes.advertising);
1594                 return;
1595         }
1596         if (fec_cfg & BNXT_FEC_ENC_BASE_R)
1597                 linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_BASER_BIT,
1598                                  lk_ksettings->link_modes.advertising);
1599         if (fec_cfg & BNXT_FEC_ENC_RS)
1600                 linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_RS_BIT,
1601                                  lk_ksettings->link_modes.advertising);
1602         if (fec_cfg & BNXT_FEC_ENC_LLRS)
1603                 linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_LLRS_BIT,
1604                                  lk_ksettings->link_modes.advertising);
1605 }
1606
1607 static void bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info,
1608                                 struct ethtool_link_ksettings *lk_ksettings)
1609 {
1610         u16 fw_speeds = link_info->advertising;
1611         u8 fw_pause = 0;
1612
1613         if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
1614                 fw_pause = link_info->auto_pause_setting;
1615
1616         BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, advertising);
1617         fw_speeds = link_info->advertising_pam4;
1618         BNXT_FW_TO_ETHTOOL_PAM4_SPDS(fw_speeds, lk_ksettings, advertising);
1619         bnxt_fw_to_ethtool_advertised_fec(link_info, lk_ksettings);
1620 }
1621
1622 static void bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info,
1623                                 struct ethtool_link_ksettings *lk_ksettings)
1624 {
1625         u16 fw_speeds = link_info->lp_auto_link_speeds;
1626         u8 fw_pause = 0;
1627
1628         if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
1629                 fw_pause = link_info->lp_pause;
1630
1631         BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings,
1632                                 lp_advertising);
1633         fw_speeds = link_info->lp_auto_pam4_link_speeds;
1634         BNXT_FW_TO_ETHTOOL_PAM4_SPDS(fw_speeds, lk_ksettings, lp_advertising);
1635 }
1636
1637 static void bnxt_fw_to_ethtool_support_fec(struct bnxt_link_info *link_info,
1638                                 struct ethtool_link_ksettings *lk_ksettings)
1639 {
1640         u16 fec_cfg = link_info->fec_cfg;
1641
1642         if (fec_cfg & BNXT_FEC_NONE) {
1643                 linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_NONE_BIT,
1644                                  lk_ksettings->link_modes.supported);
1645                 return;
1646         }
1647         if (fec_cfg & BNXT_FEC_ENC_BASE_R_CAP)
1648                 linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_BASER_BIT,
1649                                  lk_ksettings->link_modes.supported);
1650         if (fec_cfg & BNXT_FEC_ENC_RS_CAP)
1651                 linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_RS_BIT,
1652                                  lk_ksettings->link_modes.supported);
1653         if (fec_cfg & BNXT_FEC_ENC_LLRS_CAP)
1654                 linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_LLRS_BIT,
1655                                  lk_ksettings->link_modes.supported);
1656 }
1657
1658 static void bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info,
1659                                 struct ethtool_link_ksettings *lk_ksettings)
1660 {
1661         u16 fw_speeds = link_info->support_speeds;
1662
1663         BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, 0, lk_ksettings, supported);
1664         fw_speeds = link_info->support_pam4_speeds;
1665         BNXT_FW_TO_ETHTOOL_PAM4_SPDS(fw_speeds, lk_ksettings, supported);
1666
1667         ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, Pause);
1668         ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1669                                              Asym_Pause);
1670
1671         if (link_info->support_auto_speeds ||
1672             link_info->support_pam4_auto_speeds)
1673                 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1674                                                      Autoneg);
1675         bnxt_fw_to_ethtool_support_fec(link_info, lk_ksettings);
1676 }
1677
1678 u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed)
1679 {
1680         switch (fw_link_speed) {
1681         case BNXT_LINK_SPEED_100MB:
1682                 return SPEED_100;
1683         case BNXT_LINK_SPEED_1GB:
1684                 return SPEED_1000;
1685         case BNXT_LINK_SPEED_2_5GB:
1686                 return SPEED_2500;
1687         case BNXT_LINK_SPEED_10GB:
1688                 return SPEED_10000;
1689         case BNXT_LINK_SPEED_20GB:
1690                 return SPEED_20000;
1691         case BNXT_LINK_SPEED_25GB:
1692                 return SPEED_25000;
1693         case BNXT_LINK_SPEED_40GB:
1694                 return SPEED_40000;
1695         case BNXT_LINK_SPEED_50GB:
1696                 return SPEED_50000;
1697         case BNXT_LINK_SPEED_100GB:
1698                 return SPEED_100000;
1699         default:
1700                 return SPEED_UNKNOWN;
1701         }
1702 }
1703
1704 static int bnxt_get_link_ksettings(struct net_device *dev,
1705                                    struct ethtool_link_ksettings *lk_ksettings)
1706 {
1707         struct bnxt *bp = netdev_priv(dev);
1708         struct bnxt_link_info *link_info = &bp->link_info;
1709         struct ethtool_link_settings *base = &lk_ksettings->base;
1710         u32 ethtool_speed;
1711
1712         ethtool_link_ksettings_zero_link_mode(lk_ksettings, supported);
1713         mutex_lock(&bp->link_lock);
1714         bnxt_fw_to_ethtool_support_spds(link_info, lk_ksettings);
1715
1716         ethtool_link_ksettings_zero_link_mode(lk_ksettings, advertising);
1717         if (link_info->autoneg) {
1718                 bnxt_fw_to_ethtool_advertised_spds(link_info, lk_ksettings);
1719                 ethtool_link_ksettings_add_link_mode(lk_ksettings,
1720                                                      advertising, Autoneg);
1721                 base->autoneg = AUTONEG_ENABLE;
1722                 base->duplex = DUPLEX_UNKNOWN;
1723                 if (link_info->phy_link_status == BNXT_LINK_LINK) {
1724                         bnxt_fw_to_ethtool_lp_adv(link_info, lk_ksettings);
1725                         if (link_info->duplex & BNXT_LINK_DUPLEX_FULL)
1726                                 base->duplex = DUPLEX_FULL;
1727                         else
1728                                 base->duplex = DUPLEX_HALF;
1729                 }
1730                 ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed);
1731         } else {
1732                 base->autoneg = AUTONEG_DISABLE;
1733                 ethtool_speed =
1734                         bnxt_fw_to_ethtool_speed(link_info->req_link_speed);
1735                 base->duplex = DUPLEX_HALF;
1736                 if (link_info->req_duplex == BNXT_LINK_DUPLEX_FULL)
1737                         base->duplex = DUPLEX_FULL;
1738         }
1739         base->speed = ethtool_speed;
1740
1741         base->port = PORT_NONE;
1742         if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
1743                 base->port = PORT_TP;
1744                 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1745                                                      TP);
1746                 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
1747                                                      TP);
1748         } else {
1749                 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1750                                                      FIBRE);
1751                 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
1752                                                      FIBRE);
1753
1754                 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC)
1755                         base->port = PORT_DA;
1756                 else if (link_info->media_type ==
1757                          PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE)
1758                         base->port = PORT_FIBRE;
1759         }
1760         base->phy_address = link_info->phy_addr;
1761         mutex_unlock(&bp->link_lock);
1762
1763         return 0;
1764 }
1765
1766 static int bnxt_force_link_speed(struct net_device *dev, u32 ethtool_speed)
1767 {
1768         struct bnxt *bp = netdev_priv(dev);
1769         struct bnxt_link_info *link_info = &bp->link_info;
1770         u16 support_pam4_spds = link_info->support_pam4_speeds;
1771         u16 support_spds = link_info->support_speeds;
1772         u8 sig_mode = BNXT_SIG_MODE_NRZ;
1773         u16 fw_speed = 0;
1774
1775         switch (ethtool_speed) {
1776         case SPEED_100:
1777                 if (support_spds & BNXT_LINK_SPEED_MSK_100MB)
1778                         fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_100MB;
1779                 break;
1780         case SPEED_1000:
1781                 if (support_spds & BNXT_LINK_SPEED_MSK_1GB)
1782                         fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_1GB;
1783                 break;
1784         case SPEED_2500:
1785                 if (support_spds & BNXT_LINK_SPEED_MSK_2_5GB)
1786                         fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_2_5GB;
1787                 break;
1788         case SPEED_10000:
1789                 if (support_spds & BNXT_LINK_SPEED_MSK_10GB)
1790                         fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_10GB;
1791                 break;
1792         case SPEED_20000:
1793                 if (support_spds & BNXT_LINK_SPEED_MSK_20GB)
1794                         fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_20GB;
1795                 break;
1796         case SPEED_25000:
1797                 if (support_spds & BNXT_LINK_SPEED_MSK_25GB)
1798                         fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_25GB;
1799                 break;
1800         case SPEED_40000:
1801                 if (support_spds & BNXT_LINK_SPEED_MSK_40GB)
1802                         fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_40GB;
1803                 break;
1804         case SPEED_50000:
1805                 if (support_spds & BNXT_LINK_SPEED_MSK_50GB) {
1806                         fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_50GB;
1807                 } else if (support_pam4_spds & BNXT_LINK_PAM4_SPEED_MSK_50GB) {
1808                         fw_speed = PORT_PHY_CFG_REQ_FORCE_PAM4_LINK_SPEED_50GB;
1809                         sig_mode = BNXT_SIG_MODE_PAM4;
1810                 }
1811                 break;
1812         case SPEED_100000:
1813                 if (support_spds & BNXT_LINK_SPEED_MSK_100GB) {
1814                         fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_100GB;
1815                 } else if (support_pam4_spds & BNXT_LINK_PAM4_SPEED_MSK_100GB) {
1816                         fw_speed = PORT_PHY_CFG_REQ_FORCE_PAM4_LINK_SPEED_100GB;
1817                         sig_mode = BNXT_SIG_MODE_PAM4;
1818                 }
1819                 break;
1820         case SPEED_200000:
1821                 if (support_pam4_spds & BNXT_LINK_PAM4_SPEED_MSK_200GB) {
1822                         fw_speed = PORT_PHY_CFG_REQ_FORCE_PAM4_LINK_SPEED_200GB;
1823                         sig_mode = BNXT_SIG_MODE_PAM4;
1824                 }
1825                 break;
1826         }
1827
1828         if (!fw_speed) {
1829                 netdev_err(dev, "unsupported speed!\n");
1830                 return -EINVAL;
1831         }
1832
1833         if (link_info->req_link_speed == fw_speed &&
1834             link_info->req_signal_mode == sig_mode &&
1835             link_info->autoneg == 0)
1836                 return -EALREADY;
1837
1838         link_info->req_link_speed = fw_speed;
1839         link_info->req_signal_mode = sig_mode;
1840         link_info->req_duplex = BNXT_LINK_DUPLEX_FULL;
1841         link_info->autoneg = 0;
1842         link_info->advertising = 0;
1843         link_info->advertising_pam4 = 0;
1844
1845         return 0;
1846 }
1847
1848 u16 bnxt_get_fw_auto_link_speeds(u32 advertising)
1849 {
1850         u16 fw_speed_mask = 0;
1851
1852         /* only support autoneg at speed 100, 1000, and 10000 */
1853         if (advertising & (ADVERTISED_100baseT_Full |
1854                            ADVERTISED_100baseT_Half)) {
1855                 fw_speed_mask |= BNXT_LINK_SPEED_MSK_100MB;
1856         }
1857         if (advertising & (ADVERTISED_1000baseT_Full |
1858                            ADVERTISED_1000baseT_Half)) {
1859                 fw_speed_mask |= BNXT_LINK_SPEED_MSK_1GB;
1860         }
1861         if (advertising & ADVERTISED_10000baseT_Full)
1862                 fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB;
1863
1864         if (advertising & ADVERTISED_40000baseCR4_Full)
1865                 fw_speed_mask |= BNXT_LINK_SPEED_MSK_40GB;
1866
1867         return fw_speed_mask;
1868 }
1869
1870 static int bnxt_set_link_ksettings(struct net_device *dev,
1871                            const struct ethtool_link_ksettings *lk_ksettings)
1872 {
1873         struct bnxt *bp = netdev_priv(dev);
1874         struct bnxt_link_info *link_info = &bp->link_info;
1875         const struct ethtool_link_settings *base = &lk_ksettings->base;
1876         bool set_pause = false;
1877         u32 speed;
1878         int rc = 0;
1879
1880         if (!BNXT_PHY_CFG_ABLE(bp))
1881                 return -EOPNOTSUPP;
1882
1883         mutex_lock(&bp->link_lock);
1884         if (base->autoneg == AUTONEG_ENABLE) {
1885                 link_info->advertising = 0;
1886                 link_info->advertising_pam4 = 0;
1887                 BNXT_ETHTOOL_TO_FW_SPDS(link_info->advertising, lk_ksettings,
1888                                         advertising);
1889                 BNXT_ETHTOOL_TO_FW_PAM4_SPDS(link_info->advertising_pam4,
1890                                              lk_ksettings, advertising);
1891                 link_info->autoneg |= BNXT_AUTONEG_SPEED;
1892                 if (!link_info->advertising && !link_info->advertising_pam4) {
1893                         link_info->advertising = link_info->support_auto_speeds;
1894                         link_info->advertising_pam4 =
1895                                 link_info->support_pam4_auto_speeds;
1896                 }
1897                 /* any change to autoneg will cause link change, therefore the
1898                  * driver should put back the original pause setting in autoneg
1899                  */
1900                 set_pause = true;
1901         } else {
1902                 u8 phy_type = link_info->phy_type;
1903
1904                 if (phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASET  ||
1905                     phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASETE ||
1906                     link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
1907                         netdev_err(dev, "10GBase-T devices must autoneg\n");
1908                         rc = -EINVAL;
1909                         goto set_setting_exit;
1910                 }
1911                 if (base->duplex == DUPLEX_HALF) {
1912                         netdev_err(dev, "HALF DUPLEX is not supported!\n");
1913                         rc = -EINVAL;
1914                         goto set_setting_exit;
1915                 }
1916                 speed = base->speed;
1917                 rc = bnxt_force_link_speed(dev, speed);
1918                 if (rc) {
1919                         if (rc == -EALREADY)
1920                                 rc = 0;
1921                         goto set_setting_exit;
1922                 }
1923         }
1924
1925         if (netif_running(dev))
1926                 rc = bnxt_hwrm_set_link_setting(bp, set_pause, false);
1927
1928 set_setting_exit:
1929         mutex_unlock(&bp->link_lock);
1930         return rc;
1931 }
1932
1933 static int bnxt_get_fecparam(struct net_device *dev,
1934                              struct ethtool_fecparam *fec)
1935 {
1936         struct bnxt *bp = netdev_priv(dev);
1937         struct bnxt_link_info *link_info;
1938         u8 active_fec;
1939         u16 fec_cfg;
1940
1941         link_info = &bp->link_info;
1942         fec_cfg = link_info->fec_cfg;
1943         active_fec = link_info->active_fec_sig_mode &
1944                      PORT_PHY_QCFG_RESP_ACTIVE_FEC_MASK;
1945         if (fec_cfg & BNXT_FEC_NONE) {
1946                 fec->fec = ETHTOOL_FEC_NONE;
1947                 fec->active_fec = ETHTOOL_FEC_NONE;
1948                 return 0;
1949         }
1950         if (fec_cfg & BNXT_FEC_AUTONEG)
1951                 fec->fec |= ETHTOOL_FEC_AUTO;
1952         if (fec_cfg & BNXT_FEC_ENC_BASE_R)
1953                 fec->fec |= ETHTOOL_FEC_BASER;
1954         if (fec_cfg & BNXT_FEC_ENC_RS)
1955                 fec->fec |= ETHTOOL_FEC_RS;
1956         if (fec_cfg & BNXT_FEC_ENC_LLRS)
1957                 fec->fec |= ETHTOOL_FEC_LLRS;
1958
1959         switch (active_fec) {
1960         case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_CLAUSE74_ACTIVE:
1961                 fec->active_fec |= ETHTOOL_FEC_BASER;
1962                 break;
1963         case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_CLAUSE91_ACTIVE:
1964         case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_RS544_1XN_ACTIVE:
1965         case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_RS544_IEEE_ACTIVE:
1966                 fec->active_fec |= ETHTOOL_FEC_RS;
1967                 break;
1968         case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_RS272_1XN_ACTIVE:
1969         case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_RS272_IEEE_ACTIVE:
1970                 fec->active_fec |= ETHTOOL_FEC_LLRS;
1971                 break;
1972         }
1973         return 0;
1974 }
1975
1976 static void bnxt_get_fec_stats(struct net_device *dev,
1977                                struct ethtool_fec_stats *fec_stats)
1978 {
1979         struct bnxt *bp = netdev_priv(dev);
1980         u64 *rx;
1981
1982         if (BNXT_VF(bp) || !(bp->flags & BNXT_FLAG_PORT_STATS_EXT))
1983                 return;
1984
1985         rx = bp->rx_port_stats_ext.sw_stats;
1986         fec_stats->corrected_bits.total =
1987                 *(rx + BNXT_RX_STATS_EXT_OFFSET(rx_corrected_bits));
1988 }
1989
1990 static u32 bnxt_ethtool_forced_fec_to_fw(struct bnxt_link_info *link_info,
1991                                          u32 fec)
1992 {
1993         u32 fw_fec = PORT_PHY_CFG_REQ_FLAGS_FEC_AUTONEG_DISABLE;
1994
1995         if (fec & ETHTOOL_FEC_BASER)
1996                 fw_fec |= BNXT_FEC_BASE_R_ON(link_info);
1997         else if (fec & ETHTOOL_FEC_RS)
1998                 fw_fec |= BNXT_FEC_RS_ON(link_info);
1999         else if (fec & ETHTOOL_FEC_LLRS)
2000                 fw_fec |= BNXT_FEC_LLRS_ON;
2001         return fw_fec;
2002 }
2003
2004 static int bnxt_set_fecparam(struct net_device *dev,
2005                              struct ethtool_fecparam *fecparam)
2006 {
2007         struct hwrm_port_phy_cfg_input *req;
2008         struct bnxt *bp = netdev_priv(dev);
2009         struct bnxt_link_info *link_info;
2010         u32 new_cfg, fec = fecparam->fec;
2011         u16 fec_cfg;
2012         int rc;
2013
2014         link_info = &bp->link_info;
2015         fec_cfg = link_info->fec_cfg;
2016         if (fec_cfg & BNXT_FEC_NONE)
2017                 return -EOPNOTSUPP;
2018
2019         if (fec & ETHTOOL_FEC_OFF) {
2020                 new_cfg = PORT_PHY_CFG_REQ_FLAGS_FEC_AUTONEG_DISABLE |
2021                           BNXT_FEC_ALL_OFF(link_info);
2022                 goto apply_fec;
2023         }
2024         if (((fec & ETHTOOL_FEC_AUTO) && !(fec_cfg & BNXT_FEC_AUTONEG_CAP)) ||
2025             ((fec & ETHTOOL_FEC_RS) && !(fec_cfg & BNXT_FEC_ENC_RS_CAP)) ||
2026             ((fec & ETHTOOL_FEC_LLRS) && !(fec_cfg & BNXT_FEC_ENC_LLRS_CAP)) ||
2027             ((fec & ETHTOOL_FEC_BASER) && !(fec_cfg & BNXT_FEC_ENC_BASE_R_CAP)))
2028                 return -EINVAL;
2029
2030         if (fec & ETHTOOL_FEC_AUTO) {
2031                 if (!link_info->autoneg)
2032                         return -EINVAL;
2033                 new_cfg = PORT_PHY_CFG_REQ_FLAGS_FEC_AUTONEG_ENABLE;
2034         } else {
2035                 new_cfg = bnxt_ethtool_forced_fec_to_fw(link_info, fec);
2036         }
2037
2038 apply_fec:
2039         rc = hwrm_req_init(bp, req, HWRM_PORT_PHY_CFG);
2040         if (rc)
2041                 return rc;
2042         req->flags = cpu_to_le32(new_cfg | PORT_PHY_CFG_REQ_FLAGS_RESET_PHY);
2043         rc = hwrm_req_send(bp, req);
2044         /* update current settings */
2045         if (!rc) {
2046                 mutex_lock(&bp->link_lock);
2047                 bnxt_update_link(bp, false);
2048                 mutex_unlock(&bp->link_lock);
2049         }
2050         return rc;
2051 }
2052
2053 static void bnxt_get_pauseparam(struct net_device *dev,
2054                                 struct ethtool_pauseparam *epause)
2055 {
2056         struct bnxt *bp = netdev_priv(dev);
2057         struct bnxt_link_info *link_info = &bp->link_info;
2058
2059         if (BNXT_VF(bp))
2060                 return;
2061         epause->autoneg = !!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL);
2062         epause->rx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_RX);
2063         epause->tx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_TX);
2064 }
2065
2066 static void bnxt_get_pause_stats(struct net_device *dev,
2067                                  struct ethtool_pause_stats *epstat)
2068 {
2069         struct bnxt *bp = netdev_priv(dev);
2070         u64 *rx, *tx;
2071
2072         if (BNXT_VF(bp) || !(bp->flags & BNXT_FLAG_PORT_STATS))
2073                 return;
2074
2075         rx = bp->port_stats.sw_stats;
2076         tx = bp->port_stats.sw_stats + BNXT_TX_PORT_STATS_BYTE_OFFSET / 8;
2077
2078         epstat->rx_pause_frames = BNXT_GET_RX_PORT_STATS64(rx, rx_pause_frames);
2079         epstat->tx_pause_frames = BNXT_GET_TX_PORT_STATS64(tx, tx_pause_frames);
2080 }
2081
2082 static int bnxt_set_pauseparam(struct net_device *dev,
2083                                struct ethtool_pauseparam *epause)
2084 {
2085         int rc = 0;
2086         struct bnxt *bp = netdev_priv(dev);
2087         struct bnxt_link_info *link_info = &bp->link_info;
2088
2089         if (!BNXT_PHY_CFG_ABLE(bp))
2090                 return -EOPNOTSUPP;
2091
2092         mutex_lock(&bp->link_lock);
2093         if (epause->autoneg) {
2094                 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) {
2095                         rc = -EINVAL;
2096                         goto pause_exit;
2097                 }
2098
2099                 link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL;
2100                 if (bp->hwrm_spec_code >= 0x10201)
2101                         link_info->req_flow_ctrl =
2102                                 PORT_PHY_CFG_REQ_AUTO_PAUSE_AUTONEG_PAUSE;
2103         } else {
2104                 /* when transition from auto pause to force pause,
2105                  * force a link change
2106                  */
2107                 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
2108                         link_info->force_link_chng = true;
2109                 link_info->autoneg &= ~BNXT_AUTONEG_FLOW_CTRL;
2110                 link_info->req_flow_ctrl = 0;
2111         }
2112         if (epause->rx_pause)
2113                 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX;
2114
2115         if (epause->tx_pause)
2116                 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX;
2117
2118         if (netif_running(dev))
2119                 rc = bnxt_hwrm_set_pause(bp);
2120
2121 pause_exit:
2122         mutex_unlock(&bp->link_lock);
2123         return rc;
2124 }
2125
2126 static u32 bnxt_get_link(struct net_device *dev)
2127 {
2128         struct bnxt *bp = netdev_priv(dev);
2129
2130         /* TODO: handle MF, VF, driver close case */
2131         return bp->link_info.link_up;
2132 }
2133
2134 int bnxt_hwrm_nvm_get_dev_info(struct bnxt *bp,
2135                                struct hwrm_nvm_get_dev_info_output *nvm_dev_info)
2136 {
2137         struct hwrm_nvm_get_dev_info_output *resp;
2138         struct hwrm_nvm_get_dev_info_input *req;
2139         int rc;
2140
2141         if (BNXT_VF(bp))
2142                 return -EOPNOTSUPP;
2143
2144         rc = hwrm_req_init(bp, req, HWRM_NVM_GET_DEV_INFO);
2145         if (rc)
2146                 return rc;
2147
2148         resp = hwrm_req_hold(bp, req);
2149         rc = hwrm_req_send(bp, req);
2150         if (!rc)
2151                 memcpy(nvm_dev_info, resp, sizeof(*resp));
2152         hwrm_req_drop(bp, req);
2153         return rc;
2154 }
2155
2156 static void bnxt_print_admin_err(struct bnxt *bp)
2157 {
2158         netdev_info(bp->dev, "PF does not have admin privileges to flash or reset the device\n");
2159 }
2160
2161 static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
2162                                 u16 ext, u16 *index, u32 *item_length,
2163                                 u32 *data_length);
2164
2165 static int bnxt_flash_nvram(struct net_device *dev, u16 dir_type,
2166                             u16 dir_ordinal, u16 dir_ext, u16 dir_attr,
2167                             u32 dir_item_len, const u8 *data,
2168                             size_t data_len)
2169 {
2170         struct bnxt *bp = netdev_priv(dev);
2171         struct hwrm_nvm_write_input *req;
2172         int rc;
2173
2174         rc = hwrm_req_init(bp, req, HWRM_NVM_WRITE);
2175         if (rc)
2176                 return rc;
2177
2178         if (data_len && data) {
2179                 dma_addr_t dma_handle;
2180                 u8 *kmem;
2181
2182                 kmem = hwrm_req_dma_slice(bp, req, data_len, &dma_handle);
2183                 if (!kmem) {
2184                         hwrm_req_drop(bp, req);
2185                         return -ENOMEM;
2186                 }
2187
2188                 req->dir_data_length = cpu_to_le32(data_len);
2189
2190                 memcpy(kmem, data, data_len);
2191                 req->host_src_addr = cpu_to_le64(dma_handle);
2192         }
2193
2194         hwrm_req_timeout(bp, req, bp->hwrm_cmd_max_timeout);
2195         req->dir_type = cpu_to_le16(dir_type);
2196         req->dir_ordinal = cpu_to_le16(dir_ordinal);
2197         req->dir_ext = cpu_to_le16(dir_ext);
2198         req->dir_attr = cpu_to_le16(dir_attr);
2199         req->dir_item_length = cpu_to_le32(dir_item_len);
2200         rc = hwrm_req_send(bp, req);
2201
2202         if (rc == -EACCES)
2203                 bnxt_print_admin_err(bp);
2204         return rc;
2205 }
2206
2207 int bnxt_hwrm_firmware_reset(struct net_device *dev, u8 proc_type,
2208                              u8 self_reset, u8 flags)
2209 {
2210         struct bnxt *bp = netdev_priv(dev);
2211         struct hwrm_fw_reset_input *req;
2212         int rc;
2213
2214         if (!bnxt_hwrm_reset_permitted(bp)) {
2215                 netdev_warn(bp->dev, "Reset denied by firmware, it may be inhibited by remote driver");
2216                 return -EPERM;
2217         }
2218
2219         rc = hwrm_req_init(bp, req, HWRM_FW_RESET);
2220         if (rc)
2221                 return rc;
2222
2223         req->embedded_proc_type = proc_type;
2224         req->selfrst_status = self_reset;
2225         req->flags = flags;
2226
2227         if (proc_type == FW_RESET_REQ_EMBEDDED_PROC_TYPE_AP) {
2228                 rc = hwrm_req_send_silent(bp, req);
2229         } else {
2230                 rc = hwrm_req_send(bp, req);
2231                 if (rc == -EACCES)
2232                         bnxt_print_admin_err(bp);
2233         }
2234         return rc;
2235 }
2236
2237 static int bnxt_firmware_reset(struct net_device *dev,
2238                                enum bnxt_nvm_directory_type dir_type)
2239 {
2240         u8 self_reset = FW_RESET_REQ_SELFRST_STATUS_SELFRSTNONE;
2241         u8 proc_type, flags = 0;
2242
2243         /* TODO: Address self-reset of APE/KONG/BONO/TANG or ungraceful reset */
2244         /*       (e.g. when firmware isn't already running) */
2245         switch (dir_type) {
2246         case BNX_DIR_TYPE_CHIMP_PATCH:
2247         case BNX_DIR_TYPE_BOOTCODE:
2248         case BNX_DIR_TYPE_BOOTCODE_2:
2249                 proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT;
2250                 /* Self-reset ChiMP upon next PCIe reset: */
2251                 self_reset = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
2252                 break;
2253         case BNX_DIR_TYPE_APE_FW:
2254         case BNX_DIR_TYPE_APE_PATCH:
2255                 proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT;
2256                 /* Self-reset APE upon next PCIe reset: */
2257                 self_reset = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
2258                 break;
2259         case BNX_DIR_TYPE_KONG_FW:
2260         case BNX_DIR_TYPE_KONG_PATCH:
2261                 proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL;
2262                 break;
2263         case BNX_DIR_TYPE_BONO_FW:
2264         case BNX_DIR_TYPE_BONO_PATCH:
2265                 proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE;
2266                 break;
2267         default:
2268                 return -EINVAL;
2269         }
2270
2271         return bnxt_hwrm_firmware_reset(dev, proc_type, self_reset, flags);
2272 }
2273
2274 static int bnxt_firmware_reset_chip(struct net_device *dev)
2275 {
2276         struct bnxt *bp = netdev_priv(dev);
2277         u8 flags = 0;
2278
2279         if (bp->fw_cap & BNXT_FW_CAP_HOT_RESET)
2280                 flags = FW_RESET_REQ_FLAGS_RESET_GRACEFUL;
2281
2282         return bnxt_hwrm_firmware_reset(dev,
2283                                         FW_RESET_REQ_EMBEDDED_PROC_TYPE_CHIP,
2284                                         FW_RESET_REQ_SELFRST_STATUS_SELFRSTASAP,
2285                                         flags);
2286 }
2287
2288 static int bnxt_firmware_reset_ap(struct net_device *dev)
2289 {
2290         return bnxt_hwrm_firmware_reset(dev, FW_RESET_REQ_EMBEDDED_PROC_TYPE_AP,
2291                                         FW_RESET_REQ_SELFRST_STATUS_SELFRSTNONE,
2292                                         0);
2293 }
2294
2295 static int bnxt_flash_firmware(struct net_device *dev,
2296                                u16 dir_type,
2297                                const u8 *fw_data,
2298                                size_t fw_size)
2299 {
2300         int     rc = 0;
2301         u16     code_type;
2302         u32     stored_crc;
2303         u32     calculated_crc;
2304         struct bnxt_fw_header *header = (struct bnxt_fw_header *)fw_data;
2305
2306         switch (dir_type) {
2307         case BNX_DIR_TYPE_BOOTCODE:
2308         case BNX_DIR_TYPE_BOOTCODE_2:
2309                 code_type = CODE_BOOT;
2310                 break;
2311         case BNX_DIR_TYPE_CHIMP_PATCH:
2312                 code_type = CODE_CHIMP_PATCH;
2313                 break;
2314         case BNX_DIR_TYPE_APE_FW:
2315                 code_type = CODE_MCTP_PASSTHRU;
2316                 break;
2317         case BNX_DIR_TYPE_APE_PATCH:
2318                 code_type = CODE_APE_PATCH;
2319                 break;
2320         case BNX_DIR_TYPE_KONG_FW:
2321                 code_type = CODE_KONG_FW;
2322                 break;
2323         case BNX_DIR_TYPE_KONG_PATCH:
2324                 code_type = CODE_KONG_PATCH;
2325                 break;
2326         case BNX_DIR_TYPE_BONO_FW:
2327                 code_type = CODE_BONO_FW;
2328                 break;
2329         case BNX_DIR_TYPE_BONO_PATCH:
2330                 code_type = CODE_BONO_PATCH;
2331                 break;
2332         default:
2333                 netdev_err(dev, "Unsupported directory entry type: %u\n",
2334                            dir_type);
2335                 return -EINVAL;
2336         }
2337         if (fw_size < sizeof(struct bnxt_fw_header)) {
2338                 netdev_err(dev, "Invalid firmware file size: %u\n",
2339                            (unsigned int)fw_size);
2340                 return -EINVAL;
2341         }
2342         if (header->signature != cpu_to_le32(BNXT_FIRMWARE_BIN_SIGNATURE)) {
2343                 netdev_err(dev, "Invalid firmware signature: %08X\n",
2344                            le32_to_cpu(header->signature));
2345                 return -EINVAL;
2346         }
2347         if (header->code_type != code_type) {
2348                 netdev_err(dev, "Expected firmware type: %d, read: %d\n",
2349                            code_type, header->code_type);
2350                 return -EINVAL;
2351         }
2352         if (header->device != DEVICE_CUMULUS_FAMILY) {
2353                 netdev_err(dev, "Expected firmware device family %d, read: %d\n",
2354                            DEVICE_CUMULUS_FAMILY, header->device);
2355                 return -EINVAL;
2356         }
2357         /* Confirm the CRC32 checksum of the file: */
2358         stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
2359                                              sizeof(stored_crc)));
2360         calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
2361         if (calculated_crc != stored_crc) {
2362                 netdev_err(dev, "Firmware file CRC32 checksum (%08lX) does not match calculated checksum (%08lX)\n",
2363                            (unsigned long)stored_crc,
2364                            (unsigned long)calculated_crc);
2365                 return -EINVAL;
2366         }
2367         rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
2368                               0, 0, 0, fw_data, fw_size);
2369         if (rc == 0)    /* Firmware update successful */
2370                 rc = bnxt_firmware_reset(dev, dir_type);
2371
2372         return rc;
2373 }
2374
2375 static int bnxt_flash_microcode(struct net_device *dev,
2376                                 u16 dir_type,
2377                                 const u8 *fw_data,
2378                                 size_t fw_size)
2379 {
2380         struct bnxt_ucode_trailer *trailer;
2381         u32 calculated_crc;
2382         u32 stored_crc;
2383         int rc = 0;
2384
2385         if (fw_size < sizeof(struct bnxt_ucode_trailer)) {
2386                 netdev_err(dev, "Invalid microcode file size: %u\n",
2387                            (unsigned int)fw_size);
2388                 return -EINVAL;
2389         }
2390         trailer = (struct bnxt_ucode_trailer *)(fw_data + (fw_size -
2391                                                 sizeof(*trailer)));
2392         if (trailer->sig != cpu_to_le32(BNXT_UCODE_TRAILER_SIGNATURE)) {
2393                 netdev_err(dev, "Invalid microcode trailer signature: %08X\n",
2394                            le32_to_cpu(trailer->sig));
2395                 return -EINVAL;
2396         }
2397         if (le16_to_cpu(trailer->dir_type) != dir_type) {
2398                 netdev_err(dev, "Expected microcode type: %d, read: %d\n",
2399                            dir_type, le16_to_cpu(trailer->dir_type));
2400                 return -EINVAL;
2401         }
2402         if (le16_to_cpu(trailer->trailer_length) <
2403                 sizeof(struct bnxt_ucode_trailer)) {
2404                 netdev_err(dev, "Invalid microcode trailer length: %d\n",
2405                            le16_to_cpu(trailer->trailer_length));
2406                 return -EINVAL;
2407         }
2408
2409         /* Confirm the CRC32 checksum of the file: */
2410         stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
2411                                              sizeof(stored_crc)));
2412         calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
2413         if (calculated_crc != stored_crc) {
2414                 netdev_err(dev,
2415                            "CRC32 (%08lX) does not match calculated: %08lX\n",
2416                            (unsigned long)stored_crc,
2417                            (unsigned long)calculated_crc);
2418                 return -EINVAL;
2419         }
2420         rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
2421                               0, 0, 0, fw_data, fw_size);
2422
2423         return rc;
2424 }
2425
2426 static bool bnxt_dir_type_is_ape_bin_format(u16 dir_type)
2427 {
2428         switch (dir_type) {
2429         case BNX_DIR_TYPE_CHIMP_PATCH:
2430         case BNX_DIR_TYPE_BOOTCODE:
2431         case BNX_DIR_TYPE_BOOTCODE_2:
2432         case BNX_DIR_TYPE_APE_FW:
2433         case BNX_DIR_TYPE_APE_PATCH:
2434         case BNX_DIR_TYPE_KONG_FW:
2435         case BNX_DIR_TYPE_KONG_PATCH:
2436         case BNX_DIR_TYPE_BONO_FW:
2437         case BNX_DIR_TYPE_BONO_PATCH:
2438                 return true;
2439         }
2440
2441         return false;
2442 }
2443
2444 static bool bnxt_dir_type_is_other_exec_format(u16 dir_type)
2445 {
2446         switch (dir_type) {
2447         case BNX_DIR_TYPE_AVS:
2448         case BNX_DIR_TYPE_EXP_ROM_MBA:
2449         case BNX_DIR_TYPE_PCIE:
2450         case BNX_DIR_TYPE_TSCF_UCODE:
2451         case BNX_DIR_TYPE_EXT_PHY:
2452         case BNX_DIR_TYPE_CCM:
2453         case BNX_DIR_TYPE_ISCSI_BOOT:
2454         case BNX_DIR_TYPE_ISCSI_BOOT_IPV6:
2455         case BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6:
2456                 return true;
2457         }
2458
2459         return false;
2460 }
2461
2462 static bool bnxt_dir_type_is_executable(u16 dir_type)
2463 {
2464         return bnxt_dir_type_is_ape_bin_format(dir_type) ||
2465                 bnxt_dir_type_is_other_exec_format(dir_type);
2466 }
2467
2468 static int bnxt_flash_firmware_from_file(struct net_device *dev,
2469                                          u16 dir_type,
2470                                          const char *filename)
2471 {
2472         const struct firmware  *fw;
2473         int                     rc;
2474
2475         rc = request_firmware(&fw, filename, &dev->dev);
2476         if (rc != 0) {
2477                 netdev_err(dev, "Error %d requesting firmware file: %s\n",
2478                            rc, filename);
2479                 return rc;
2480         }
2481         if (bnxt_dir_type_is_ape_bin_format(dir_type))
2482                 rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size);
2483         else if (bnxt_dir_type_is_other_exec_format(dir_type))
2484                 rc = bnxt_flash_microcode(dev, dir_type, fw->data, fw->size);
2485         else
2486                 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
2487                                       0, 0, 0, fw->data, fw->size);
2488         release_firmware(fw);
2489         return rc;
2490 }
2491
2492 #define BNXT_PKG_DMA_SIZE       0x40000
2493 #define BNXT_NVM_MORE_FLAG      (cpu_to_le16(NVM_MODIFY_REQ_FLAGS_BATCH_MODE))
2494 #define BNXT_NVM_LAST_FLAG      (cpu_to_le16(NVM_MODIFY_REQ_FLAGS_BATCH_LAST))
2495
2496 int bnxt_flash_package_from_fw_obj(struct net_device *dev, const struct firmware *fw,
2497                                    u32 install_type)
2498 {
2499         struct hwrm_nvm_install_update_input *install;
2500         struct hwrm_nvm_install_update_output *resp;
2501         struct hwrm_nvm_modify_input *modify;
2502         struct bnxt *bp = netdev_priv(dev);
2503         bool defrag_attempted = false;
2504         dma_addr_t dma_handle;
2505         u8 *kmem = NULL;
2506         u32 modify_len;
2507         u32 item_len;
2508         u16 index;
2509         int rc;
2510
2511         bnxt_hwrm_fw_set_time(bp);
2512
2513         rc = hwrm_req_init(bp, modify, HWRM_NVM_MODIFY);
2514         if (rc)
2515                 return rc;
2516
2517         /* Try allocating a large DMA buffer first.  Older fw will
2518          * cause excessive NVRAM erases when using small blocks.
2519          */
2520         modify_len = roundup_pow_of_two(fw->size);
2521         modify_len = min_t(u32, modify_len, BNXT_PKG_DMA_SIZE);
2522         while (1) {
2523                 kmem = hwrm_req_dma_slice(bp, modify, modify_len, &dma_handle);
2524                 if (!kmem && modify_len > PAGE_SIZE)
2525                         modify_len /= 2;
2526                 else
2527                         break;
2528         }
2529         if (!kmem) {
2530                 hwrm_req_drop(bp, modify);
2531                 return -ENOMEM;
2532         }
2533
2534         rc = hwrm_req_init(bp, install, HWRM_NVM_INSTALL_UPDATE);
2535         if (rc) {
2536                 hwrm_req_drop(bp, modify);
2537                 return rc;
2538         }
2539
2540         hwrm_req_timeout(bp, modify, bp->hwrm_cmd_max_timeout);
2541         hwrm_req_timeout(bp, install, bp->hwrm_cmd_max_timeout);
2542
2543         hwrm_req_hold(bp, modify);
2544         modify->host_src_addr = cpu_to_le64(dma_handle);
2545
2546         resp = hwrm_req_hold(bp, install);
2547         if ((install_type & 0xffff) == 0)
2548                 install_type >>= 16;
2549         install->install_type = cpu_to_le32(install_type);
2550
2551         do {
2552                 u32 copied = 0, len = modify_len;
2553
2554                 rc = bnxt_find_nvram_item(dev, BNX_DIR_TYPE_UPDATE,
2555                                           BNX_DIR_ORDINAL_FIRST,
2556                                           BNX_DIR_EXT_NONE,
2557                                           &index, &item_len, NULL);
2558                 if (rc) {
2559                         netdev_err(dev, "PKG update area not created in nvram\n");
2560                         break;
2561                 }
2562                 if (fw->size > item_len) {
2563                         netdev_err(dev, "PKG insufficient update area in nvram: %lu\n",
2564                                    (unsigned long)fw->size);
2565                         rc = -EFBIG;
2566                         break;
2567                 }
2568
2569                 modify->dir_idx = cpu_to_le16(index);
2570
2571                 if (fw->size > modify_len)
2572                         modify->flags = BNXT_NVM_MORE_FLAG;
2573                 while (copied < fw->size) {
2574                         u32 balance = fw->size - copied;
2575
2576                         if (balance <= modify_len) {
2577                                 len = balance;
2578                                 if (copied)
2579                                         modify->flags |= BNXT_NVM_LAST_FLAG;
2580                         }
2581                         memcpy(kmem, fw->data + copied, len);
2582                         modify->len = cpu_to_le32(len);
2583                         modify->offset = cpu_to_le32(copied);
2584                         rc = hwrm_req_send(bp, modify);
2585                         if (rc)
2586                                 goto pkg_abort;
2587                         copied += len;
2588                 }
2589
2590                 rc = hwrm_req_send_silent(bp, install);
2591
2592                 if (defrag_attempted) {
2593                         /* We have tried to defragment already in the previous
2594                          * iteration. Return with the result for INSTALL_UPDATE
2595                          */
2596                         break;
2597                 }
2598
2599                 if (rc && ((struct hwrm_err_output *)resp)->cmd_err ==
2600                     NVM_INSTALL_UPDATE_CMD_ERR_CODE_FRAG_ERR) {
2601                         install->flags =
2602                                 cpu_to_le16(NVM_INSTALL_UPDATE_REQ_FLAGS_ALLOWED_TO_DEFRAG);
2603
2604                         rc = hwrm_req_send_silent(bp, install);
2605
2606                         if (rc && ((struct hwrm_err_output *)resp)->cmd_err ==
2607                             NVM_INSTALL_UPDATE_CMD_ERR_CODE_NO_SPACE) {
2608                                 /* FW has cleared NVM area, driver will create
2609                                  * UPDATE directory and try the flash again
2610                                  */
2611                                 defrag_attempted = true;
2612                                 install->flags = 0;
2613                                 rc = bnxt_flash_nvram(bp->dev,
2614                                                       BNX_DIR_TYPE_UPDATE,
2615                                                       BNX_DIR_ORDINAL_FIRST,
2616                                                       0, 0, item_len, NULL, 0);
2617                         } else if (rc) {
2618                                 netdev_err(dev, "HWRM_NVM_INSTALL_UPDATE failure rc :%x\n", rc);
2619                         }
2620                 } else if (rc) {
2621                         netdev_err(dev, "HWRM_NVM_INSTALL_UPDATE failure rc :%x\n", rc);
2622                 }
2623         } while (defrag_attempted && !rc);
2624
2625 pkg_abort:
2626         hwrm_req_drop(bp, modify);
2627         hwrm_req_drop(bp, install);
2628
2629         if (resp->result) {
2630                 netdev_err(dev, "PKG install error = %d, problem_item = %d\n",
2631                            (s8)resp->result, (int)resp->problem_item);
2632                 rc = -ENOPKG;
2633         }
2634         if (rc == -EACCES)
2635                 bnxt_print_admin_err(bp);
2636         return rc;
2637 }
2638
2639 static int bnxt_flash_package_from_file(struct net_device *dev, const char *filename,
2640                                         u32 install_type)
2641 {
2642         const struct firmware *fw;
2643         int rc;
2644
2645         rc = request_firmware(&fw, filename, &dev->dev);
2646         if (rc != 0) {
2647                 netdev_err(dev, "PKG error %d requesting file: %s\n",
2648                            rc, filename);
2649                 return rc;
2650         }
2651
2652         rc = bnxt_flash_package_from_fw_obj(dev, fw, install_type);
2653
2654         release_firmware(fw);
2655
2656         return rc;
2657 }
2658
2659 static int bnxt_flash_device(struct net_device *dev,
2660                              struct ethtool_flash *flash)
2661 {
2662         if (!BNXT_PF((struct bnxt *)netdev_priv(dev))) {
2663                 netdev_err(dev, "flashdev not supported from a virtual function\n");
2664                 return -EINVAL;
2665         }
2666
2667         if (flash->region == ETHTOOL_FLASH_ALL_REGIONS ||
2668             flash->region > 0xffff)
2669                 return bnxt_flash_package_from_file(dev, flash->data,
2670                                                     flash->region);
2671
2672         return bnxt_flash_firmware_from_file(dev, flash->region, flash->data);
2673 }
2674
2675 static int nvm_get_dir_info(struct net_device *dev, u32 *entries, u32 *length)
2676 {
2677         struct hwrm_nvm_get_dir_info_output *output;
2678         struct hwrm_nvm_get_dir_info_input *req;
2679         struct bnxt *bp = netdev_priv(dev);
2680         int rc;
2681
2682         rc = hwrm_req_init(bp, req, HWRM_NVM_GET_DIR_INFO);
2683         if (rc)
2684                 return rc;
2685
2686         output = hwrm_req_hold(bp, req);
2687         rc = hwrm_req_send(bp, req);
2688         if (!rc) {
2689                 *entries = le32_to_cpu(output->entries);
2690                 *length = le32_to_cpu(output->entry_length);
2691         }
2692         hwrm_req_drop(bp, req);
2693         return rc;
2694 }
2695
2696 static int bnxt_get_eeprom_len(struct net_device *dev)
2697 {
2698         struct bnxt *bp = netdev_priv(dev);
2699
2700         if (BNXT_VF(bp))
2701                 return 0;
2702
2703         /* The -1 return value allows the entire 32-bit range of offsets to be
2704          * passed via the ethtool command-line utility.
2705          */
2706         return -1;
2707 }
2708
2709 static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data)
2710 {
2711         struct bnxt *bp = netdev_priv(dev);
2712         int rc;
2713         u32 dir_entries;
2714         u32 entry_length;
2715         u8 *buf;
2716         size_t buflen;
2717         dma_addr_t dma_handle;
2718         struct hwrm_nvm_get_dir_entries_input *req;
2719
2720         rc = nvm_get_dir_info(dev, &dir_entries, &entry_length);
2721         if (rc != 0)
2722                 return rc;
2723
2724         if (!dir_entries || !entry_length)
2725                 return -EIO;
2726
2727         /* Insert 2 bytes of directory info (count and size of entries) */
2728         if (len < 2)
2729                 return -EINVAL;
2730
2731         *data++ = dir_entries;
2732         *data++ = entry_length;
2733         len -= 2;
2734         memset(data, 0xff, len);
2735
2736         rc = hwrm_req_init(bp, req, HWRM_NVM_GET_DIR_ENTRIES);
2737         if (rc)
2738                 return rc;
2739
2740         buflen = dir_entries * entry_length;
2741         buf = hwrm_req_dma_slice(bp, req, buflen, &dma_handle);
2742         if (!buf) {
2743                 hwrm_req_drop(bp, req);
2744                 return -ENOMEM;
2745         }
2746         req->host_dest_addr = cpu_to_le64(dma_handle);
2747
2748         hwrm_req_hold(bp, req); /* hold the slice */
2749         rc = hwrm_req_send(bp, req);
2750         if (rc == 0)
2751                 memcpy(data, buf, len > buflen ? buflen : len);
2752         hwrm_req_drop(bp, req);
2753         return rc;
2754 }
2755
2756 static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset,
2757                                u32 length, u8 *data)
2758 {
2759         struct bnxt *bp = netdev_priv(dev);
2760         int rc;
2761         u8 *buf;
2762         dma_addr_t dma_handle;
2763         struct hwrm_nvm_read_input *req;
2764
2765         if (!length)
2766                 return -EINVAL;
2767
2768         rc = hwrm_req_init(bp, req, HWRM_NVM_READ);
2769         if (rc)
2770                 return rc;
2771
2772         buf = hwrm_req_dma_slice(bp, req, length, &dma_handle);
2773         if (!buf) {
2774                 hwrm_req_drop(bp, req);
2775                 return -ENOMEM;
2776         }
2777
2778         req->host_dest_addr = cpu_to_le64(dma_handle);
2779         req->dir_idx = cpu_to_le16(index);
2780         req->offset = cpu_to_le32(offset);
2781         req->len = cpu_to_le32(length);
2782
2783         hwrm_req_hold(bp, req); /* hold the slice */
2784         rc = hwrm_req_send(bp, req);
2785         if (rc == 0)
2786                 memcpy(data, buf, length);
2787         hwrm_req_drop(bp, req);
2788         return rc;
2789 }
2790
2791 static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
2792                                 u16 ext, u16 *index, u32 *item_length,
2793                                 u32 *data_length)
2794 {
2795         struct hwrm_nvm_find_dir_entry_output *output;
2796         struct hwrm_nvm_find_dir_entry_input *req;
2797         struct bnxt *bp = netdev_priv(dev);
2798         int rc;
2799
2800         rc = hwrm_req_init(bp, req, HWRM_NVM_FIND_DIR_ENTRY);
2801         if (rc)
2802                 return rc;
2803
2804         req->enables = 0;
2805         req->dir_idx = 0;
2806         req->dir_type = cpu_to_le16(type);
2807         req->dir_ordinal = cpu_to_le16(ordinal);
2808         req->dir_ext = cpu_to_le16(ext);
2809         req->opt_ordinal = NVM_FIND_DIR_ENTRY_REQ_OPT_ORDINAL_EQ;
2810         output = hwrm_req_hold(bp, req);
2811         rc = hwrm_req_send_silent(bp, req);
2812         if (rc == 0) {
2813                 if (index)
2814                         *index = le16_to_cpu(output->dir_idx);
2815                 if (item_length)
2816                         *item_length = le32_to_cpu(output->dir_item_length);
2817                 if (data_length)
2818                         *data_length = le32_to_cpu(output->dir_data_length);
2819         }
2820         hwrm_req_drop(bp, req);
2821         return rc;
2822 }
2823
2824 static char *bnxt_parse_pkglog(int desired_field, u8 *data, size_t datalen)
2825 {
2826         char    *retval = NULL;
2827         char    *p;
2828         char    *value;
2829         int     field = 0;
2830
2831         if (datalen < 1)
2832                 return NULL;
2833         /* null-terminate the log data (removing last '\n'): */
2834         data[datalen - 1] = 0;
2835         for (p = data; *p != 0; p++) {
2836                 field = 0;
2837                 retval = NULL;
2838                 while (*p != 0 && *p != '\n') {
2839                         value = p;
2840                         while (*p != 0 && *p != '\t' && *p != '\n')
2841                                 p++;
2842                         if (field == desired_field)
2843                                 retval = value;
2844                         if (*p != '\t')
2845                                 break;
2846                         *p = 0;
2847                         field++;
2848                         p++;
2849                 }
2850                 if (*p == 0)
2851                         break;
2852                 *p = 0;
2853         }
2854         return retval;
2855 }
2856
2857 int bnxt_get_pkginfo(struct net_device *dev, char *ver, int size)
2858 {
2859         struct bnxt *bp = netdev_priv(dev);
2860         u16 index = 0;
2861         char *pkgver;
2862         u32 pkglen;
2863         u8 *pkgbuf;
2864         int rc;
2865
2866         rc = bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG,
2867                                   BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
2868                                   &index, NULL, &pkglen);
2869         if (rc)
2870                 return rc;
2871
2872         pkgbuf = kzalloc(pkglen, GFP_KERNEL);
2873         if (!pkgbuf) {
2874                 dev_err(&bp->pdev->dev, "Unable to allocate memory for pkg version, length = %u\n",
2875                         pkglen);
2876                 return -ENOMEM;
2877         }
2878
2879         rc = bnxt_get_nvram_item(dev, index, 0, pkglen, pkgbuf);
2880         if (rc)
2881                 goto err;
2882
2883         pkgver = bnxt_parse_pkglog(BNX_PKG_LOG_FIELD_IDX_PKG_VERSION, pkgbuf,
2884                                    pkglen);
2885         if (pkgver && *pkgver != 0 && isdigit(*pkgver))
2886                 strscpy(ver, pkgver, size);
2887         else
2888                 rc = -ENOENT;
2889
2890 err:
2891         kfree(pkgbuf);
2892
2893         return rc;
2894 }
2895
2896 static void bnxt_get_pkgver(struct net_device *dev)
2897 {
2898         struct bnxt *bp = netdev_priv(dev);
2899         char buf[FW_VER_STR_LEN];
2900         int len;
2901
2902         if (!bnxt_get_pkginfo(dev, buf, sizeof(buf))) {
2903                 len = strlen(bp->fw_ver_str);
2904                 snprintf(bp->fw_ver_str + len, FW_VER_STR_LEN - len - 1,
2905                          "/pkg %s", buf);
2906         }
2907 }
2908
2909 static int bnxt_get_eeprom(struct net_device *dev,
2910                            struct ethtool_eeprom *eeprom,
2911                            u8 *data)
2912 {
2913         u32 index;
2914         u32 offset;
2915
2916         if (eeprom->offset == 0) /* special offset value to get directory */
2917                 return bnxt_get_nvram_directory(dev, eeprom->len, data);
2918
2919         index = eeprom->offset >> 24;
2920         offset = eeprom->offset & 0xffffff;
2921
2922         if (index == 0) {
2923                 netdev_err(dev, "unsupported index value: %d\n", index);
2924                 return -EINVAL;
2925         }
2926
2927         return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data);
2928 }
2929
2930 static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index)
2931 {
2932         struct hwrm_nvm_erase_dir_entry_input *req;
2933         struct bnxt *bp = netdev_priv(dev);
2934         int rc;
2935
2936         rc = hwrm_req_init(bp, req, HWRM_NVM_ERASE_DIR_ENTRY);
2937         if (rc)
2938                 return rc;
2939
2940         req->dir_idx = cpu_to_le16(index);
2941         return hwrm_req_send(bp, req);
2942 }
2943
2944 static int bnxt_set_eeprom(struct net_device *dev,
2945                            struct ethtool_eeprom *eeprom,
2946                            u8 *data)
2947 {
2948         struct bnxt *bp = netdev_priv(dev);
2949         u8 index, dir_op;
2950         u16 type, ext, ordinal, attr;
2951
2952         if (!BNXT_PF(bp)) {
2953                 netdev_err(dev, "NVM write not supported from a virtual function\n");
2954                 return -EINVAL;
2955         }
2956
2957         type = eeprom->magic >> 16;
2958
2959         if (type == 0xffff) { /* special value for directory operations */
2960                 index = eeprom->magic & 0xff;
2961                 dir_op = eeprom->magic >> 8;
2962                 if (index == 0)
2963                         return -EINVAL;
2964                 switch (dir_op) {
2965                 case 0x0e: /* erase */
2966                         if (eeprom->offset != ~eeprom->magic)
2967                                 return -EINVAL;
2968                         return bnxt_erase_nvram_directory(dev, index - 1);
2969                 default:
2970                         return -EINVAL;
2971                 }
2972         }
2973
2974         /* Create or re-write an NVM item: */
2975         if (bnxt_dir_type_is_executable(type))
2976                 return -EOPNOTSUPP;
2977         ext = eeprom->magic & 0xffff;
2978         ordinal = eeprom->offset >> 16;
2979         attr = eeprom->offset & 0xffff;
2980
2981         return bnxt_flash_nvram(dev, type, ordinal, ext, attr, 0, data,
2982                                 eeprom->len);
2983 }
2984
2985 static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata)
2986 {
2987         struct bnxt *bp = netdev_priv(dev);
2988         struct ethtool_eee *eee = &bp->eee;
2989         struct bnxt_link_info *link_info = &bp->link_info;
2990         u32 advertising;
2991         int rc = 0;
2992
2993         if (!BNXT_PHY_CFG_ABLE(bp))
2994                 return -EOPNOTSUPP;
2995
2996         if (!(bp->phy_flags & BNXT_PHY_FL_EEE_CAP))
2997                 return -EOPNOTSUPP;
2998
2999         mutex_lock(&bp->link_lock);
3000         advertising = _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0);
3001         if (!edata->eee_enabled)
3002                 goto eee_ok;
3003
3004         if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) {
3005                 netdev_warn(dev, "EEE requires autoneg\n");
3006                 rc = -EINVAL;
3007                 goto eee_exit;
3008         }
3009         if (edata->tx_lpi_enabled) {
3010                 if (bp->lpi_tmr_hi && (edata->tx_lpi_timer > bp->lpi_tmr_hi ||
3011                                        edata->tx_lpi_timer < bp->lpi_tmr_lo)) {
3012                         netdev_warn(dev, "Valid LPI timer range is %d and %d microsecs\n",
3013                                     bp->lpi_tmr_lo, bp->lpi_tmr_hi);
3014                         rc = -EINVAL;
3015                         goto eee_exit;
3016                 } else if (!bp->lpi_tmr_hi) {
3017                         edata->tx_lpi_timer = eee->tx_lpi_timer;
3018                 }
3019         }
3020         if (!edata->advertised) {
3021                 edata->advertised = advertising & eee->supported;
3022         } else if (edata->advertised & ~advertising) {
3023                 netdev_warn(dev, "EEE advertised %x must be a subset of autoneg advertised speeds %x\n",
3024                             edata->advertised, advertising);
3025                 rc = -EINVAL;
3026                 goto eee_exit;
3027         }
3028
3029         eee->advertised = edata->advertised;
3030         eee->tx_lpi_enabled = edata->tx_lpi_enabled;
3031         eee->tx_lpi_timer = edata->tx_lpi_timer;
3032 eee_ok:
3033         eee->eee_enabled = edata->eee_enabled;
3034
3035         if (netif_running(dev))
3036                 rc = bnxt_hwrm_set_link_setting(bp, false, true);
3037
3038 eee_exit:
3039         mutex_unlock(&bp->link_lock);
3040         return rc;
3041 }
3042
3043 static int bnxt_get_eee(struct net_device *dev, struct ethtool_eee *edata)
3044 {
3045         struct bnxt *bp = netdev_priv(dev);
3046
3047         if (!(bp->phy_flags & BNXT_PHY_FL_EEE_CAP))
3048                 return -EOPNOTSUPP;
3049
3050         *edata = bp->eee;
3051         if (!bp->eee.eee_enabled) {
3052                 /* Preserve tx_lpi_timer so that the last value will be used
3053                  * by default when it is re-enabled.
3054                  */
3055                 edata->advertised = 0;
3056                 edata->tx_lpi_enabled = 0;
3057         }
3058
3059         if (!bp->eee.eee_active)
3060                 edata->lp_advertised = 0;
3061
3062         return 0;
3063 }
3064
3065 static int bnxt_read_sfp_module_eeprom_info(struct bnxt *bp, u16 i2c_addr,
3066                                             u16 page_number, u16 start_addr,
3067                                             u16 data_length, u8 *buf)
3068 {
3069         struct hwrm_port_phy_i2c_read_output *output;
3070         struct hwrm_port_phy_i2c_read_input *req;
3071         int rc, byte_offset = 0;
3072
3073         rc = hwrm_req_init(bp, req, HWRM_PORT_PHY_I2C_READ);
3074         if (rc)
3075                 return rc;
3076
3077         output = hwrm_req_hold(bp, req);
3078         req->i2c_slave_addr = i2c_addr;
3079         req->page_number = cpu_to_le16(page_number);
3080         req->port_id = cpu_to_le16(bp->pf.port_id);
3081         do {
3082                 u16 xfer_size;
3083
3084                 xfer_size = min_t(u16, data_length, BNXT_MAX_PHY_I2C_RESP_SIZE);
3085                 data_length -= xfer_size;
3086                 req->page_offset = cpu_to_le16(start_addr + byte_offset);
3087                 req->data_length = xfer_size;
3088                 req->enables = cpu_to_le32(start_addr + byte_offset ?
3089                                  PORT_PHY_I2C_READ_REQ_ENABLES_PAGE_OFFSET : 0);
3090                 rc = hwrm_req_send(bp, req);
3091                 if (!rc)
3092                         memcpy(buf + byte_offset, output->data, xfer_size);
3093                 byte_offset += xfer_size;
3094         } while (!rc && data_length > 0);
3095         hwrm_req_drop(bp, req);
3096
3097         return rc;
3098 }
3099
3100 static int bnxt_get_module_info(struct net_device *dev,
3101                                 struct ethtool_modinfo *modinfo)
3102 {
3103         u8 data[SFF_DIAG_SUPPORT_OFFSET + 1];
3104         struct bnxt *bp = netdev_priv(dev);
3105         int rc;
3106
3107         /* No point in going further if phy status indicates
3108          * module is not inserted or if it is powered down or
3109          * if it is of type 10GBase-T
3110          */
3111         if (bp->link_info.module_status >
3112                 PORT_PHY_QCFG_RESP_MODULE_STATUS_WARNINGMSG)
3113                 return -EOPNOTSUPP;
3114
3115         /* This feature is not supported in older firmware versions */
3116         if (bp->hwrm_spec_code < 0x10202)
3117                 return -EOPNOTSUPP;
3118
3119         rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0, 0,
3120                                               SFF_DIAG_SUPPORT_OFFSET + 1,
3121                                               data);
3122         if (!rc) {
3123                 u8 module_id = data[0];
3124                 u8 diag_supported = data[SFF_DIAG_SUPPORT_OFFSET];
3125
3126                 switch (module_id) {
3127                 case SFF_MODULE_ID_SFP:
3128                         modinfo->type = ETH_MODULE_SFF_8472;
3129                         modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
3130                         if (!diag_supported)
3131                                 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
3132                         break;
3133                 case SFF_MODULE_ID_QSFP:
3134                 case SFF_MODULE_ID_QSFP_PLUS:
3135                         modinfo->type = ETH_MODULE_SFF_8436;
3136                         modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
3137                         break;
3138                 case SFF_MODULE_ID_QSFP28:
3139                         modinfo->type = ETH_MODULE_SFF_8636;
3140                         modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
3141                         break;
3142                 default:
3143                         rc = -EOPNOTSUPP;
3144                         break;
3145                 }
3146         }
3147         return rc;
3148 }
3149
3150 static int bnxt_get_module_eeprom(struct net_device *dev,
3151                                   struct ethtool_eeprom *eeprom,
3152                                   u8 *data)
3153 {
3154         struct bnxt *bp = netdev_priv(dev);
3155         u16  start = eeprom->offset, length = eeprom->len;
3156         int rc = 0;
3157
3158         memset(data, 0, eeprom->len);
3159
3160         /* Read A0 portion of the EEPROM */
3161         if (start < ETH_MODULE_SFF_8436_LEN) {
3162                 if (start + eeprom->len > ETH_MODULE_SFF_8436_LEN)
3163                         length = ETH_MODULE_SFF_8436_LEN - start;
3164                 rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0,
3165                                                       start, length, data);
3166                 if (rc)
3167                         return rc;
3168                 start += length;
3169                 data += length;
3170                 length = eeprom->len - length;
3171         }
3172
3173         /* Read A2 portion of the EEPROM */
3174         if (length) {
3175                 start -= ETH_MODULE_SFF_8436_LEN;
3176                 rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A2, 0,
3177                                                       start, length, data);
3178         }
3179         return rc;
3180 }
3181
3182 static int bnxt_nway_reset(struct net_device *dev)
3183 {
3184         int rc = 0;
3185
3186         struct bnxt *bp = netdev_priv(dev);
3187         struct bnxt_link_info *link_info = &bp->link_info;
3188
3189         if (!BNXT_PHY_CFG_ABLE(bp))
3190                 return -EOPNOTSUPP;
3191
3192         if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
3193                 return -EINVAL;
3194
3195         if (netif_running(dev))
3196                 rc = bnxt_hwrm_set_link_setting(bp, true, false);
3197
3198         return rc;
3199 }
3200
3201 static int bnxt_set_phys_id(struct net_device *dev,
3202                             enum ethtool_phys_id_state state)
3203 {
3204         struct hwrm_port_led_cfg_input *req;
3205         struct bnxt *bp = netdev_priv(dev);
3206         struct bnxt_pf_info *pf = &bp->pf;
3207         struct bnxt_led_cfg *led_cfg;
3208         u8 led_state;
3209         __le16 duration;
3210         int rc, i;
3211
3212         if (!bp->num_leds || BNXT_VF(bp))
3213                 return -EOPNOTSUPP;
3214
3215         if (state == ETHTOOL_ID_ACTIVE) {
3216                 led_state = PORT_LED_CFG_REQ_LED0_STATE_BLINKALT;
3217                 duration = cpu_to_le16(500);
3218         } else if (state == ETHTOOL_ID_INACTIVE) {
3219                 led_state = PORT_LED_CFG_REQ_LED1_STATE_DEFAULT;
3220                 duration = cpu_to_le16(0);
3221         } else {
3222                 return -EINVAL;
3223         }
3224         rc = hwrm_req_init(bp, req, HWRM_PORT_LED_CFG);
3225         if (rc)
3226                 return rc;
3227
3228         req->port_id = cpu_to_le16(pf->port_id);
3229         req->num_leds = bp->num_leds;
3230         led_cfg = (struct bnxt_led_cfg *)&req->led0_id;
3231         for (i = 0; i < bp->num_leds; i++, led_cfg++) {
3232                 req->enables |= BNXT_LED_DFLT_ENABLES(i);
3233                 led_cfg->led_id = bp->leds[i].led_id;
3234                 led_cfg->led_state = led_state;
3235                 led_cfg->led_blink_on = duration;
3236                 led_cfg->led_blink_off = duration;
3237                 led_cfg->led_group_id = bp->leds[i].led_group_id;
3238         }
3239         return hwrm_req_send(bp, req);
3240 }
3241
3242 static int bnxt_hwrm_selftest_irq(struct bnxt *bp, u16 cmpl_ring)
3243 {
3244         struct hwrm_selftest_irq_input *req;
3245         int rc;
3246
3247         rc = hwrm_req_init(bp, req, HWRM_SELFTEST_IRQ);
3248         if (rc)
3249                 return rc;
3250
3251         req->cmpl_ring = cpu_to_le16(cmpl_ring);
3252         return hwrm_req_send(bp, req);
3253 }
3254
3255 static int bnxt_test_irq(struct bnxt *bp)
3256 {
3257         int i;
3258
3259         for (i = 0; i < bp->cp_nr_rings; i++) {
3260                 u16 cmpl_ring = bp->grp_info[i].cp_fw_ring_id;
3261                 int rc;
3262
3263                 rc = bnxt_hwrm_selftest_irq(bp, cmpl_ring);
3264                 if (rc)
3265                         return rc;
3266         }
3267         return 0;
3268 }
3269
3270 static int bnxt_hwrm_mac_loopback(struct bnxt *bp, bool enable)
3271 {
3272         struct hwrm_port_mac_cfg_input *req;
3273         int rc;
3274
3275         rc = hwrm_req_init(bp, req, HWRM_PORT_MAC_CFG);
3276         if (rc)
3277                 return rc;
3278
3279         req->enables = cpu_to_le32(PORT_MAC_CFG_REQ_ENABLES_LPBK);
3280         if (enable)
3281                 req->lpbk = PORT_MAC_CFG_REQ_LPBK_LOCAL;
3282         else
3283                 req->lpbk = PORT_MAC_CFG_REQ_LPBK_NONE;
3284         return hwrm_req_send(bp, req);
3285 }
3286
3287 static int bnxt_query_force_speeds(struct bnxt *bp, u16 *force_speeds)
3288 {
3289         struct hwrm_port_phy_qcaps_output *resp;
3290         struct hwrm_port_phy_qcaps_input *req;
3291         int rc;
3292
3293         rc = hwrm_req_init(bp, req, HWRM_PORT_PHY_QCAPS);
3294         if (rc)
3295                 return rc;
3296
3297         resp = hwrm_req_hold(bp, req);
3298         rc = hwrm_req_send(bp, req);
3299         if (!rc)
3300                 *force_speeds = le16_to_cpu(resp->supported_speeds_force_mode);
3301
3302         hwrm_req_drop(bp, req);
3303         return rc;
3304 }
3305
3306 static int bnxt_disable_an_for_lpbk(struct bnxt *bp,
3307                                     struct hwrm_port_phy_cfg_input *req)
3308 {
3309         struct bnxt_link_info *link_info = &bp->link_info;
3310         u16 fw_advertising;
3311         u16 fw_speed;
3312         int rc;
3313
3314         if (!link_info->autoneg ||
3315             (bp->phy_flags & BNXT_PHY_FL_AN_PHY_LPBK))
3316                 return 0;
3317
3318         rc = bnxt_query_force_speeds(bp, &fw_advertising);
3319         if (rc)
3320                 return rc;
3321
3322         fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_1GB;
3323         if (bp->link_info.link_up)
3324                 fw_speed = bp->link_info.link_speed;
3325         else if (fw_advertising & BNXT_LINK_SPEED_MSK_10GB)
3326                 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_10GB;
3327         else if (fw_advertising & BNXT_LINK_SPEED_MSK_25GB)
3328                 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_25GB;
3329         else if (fw_advertising & BNXT_LINK_SPEED_MSK_40GB)
3330                 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_40GB;
3331         else if (fw_advertising & BNXT_LINK_SPEED_MSK_50GB)
3332                 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_50GB;
3333
3334         req->force_link_speed = cpu_to_le16(fw_speed);
3335         req->flags |= cpu_to_le32(PORT_PHY_CFG_REQ_FLAGS_FORCE |
3336                                   PORT_PHY_CFG_REQ_FLAGS_RESET_PHY);
3337         rc = hwrm_req_send(bp, req);
3338         req->flags = 0;
3339         req->force_link_speed = cpu_to_le16(0);
3340         return rc;
3341 }
3342
3343 static int bnxt_hwrm_phy_loopback(struct bnxt *bp, bool enable, bool ext)
3344 {
3345         struct hwrm_port_phy_cfg_input *req;
3346         int rc;
3347
3348         rc = hwrm_req_init(bp, req, HWRM_PORT_PHY_CFG);
3349         if (rc)
3350                 return rc;
3351
3352         /* prevent bnxt_disable_an_for_lpbk() from consuming the request */
3353         hwrm_req_hold(bp, req);
3354
3355         if (enable) {
3356                 bnxt_disable_an_for_lpbk(bp, req);
3357                 if (ext)
3358                         req->lpbk = PORT_PHY_CFG_REQ_LPBK_EXTERNAL;
3359                 else
3360                         req->lpbk = PORT_PHY_CFG_REQ_LPBK_LOCAL;
3361         } else {
3362                 req->lpbk = PORT_PHY_CFG_REQ_LPBK_NONE;
3363         }
3364         req->enables = cpu_to_le32(PORT_PHY_CFG_REQ_ENABLES_LPBK);
3365         rc = hwrm_req_send(bp, req);
3366         hwrm_req_drop(bp, req);
3367         return rc;
3368 }
3369
3370 static int bnxt_rx_loopback(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
3371                             u32 raw_cons, int pkt_size)
3372 {
3373         struct bnxt_napi *bnapi = cpr->bnapi;
3374         struct bnxt_rx_ring_info *rxr;
3375         struct bnxt_sw_rx_bd *rx_buf;
3376         struct rx_cmp *rxcmp;
3377         u16 cp_cons, cons;
3378         u8 *data;
3379         u32 len;
3380         int i;
3381
3382         rxr = bnapi->rx_ring;
3383         cp_cons = RING_CMP(raw_cons);
3384         rxcmp = (struct rx_cmp *)
3385                 &cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)];
3386         cons = rxcmp->rx_cmp_opaque;
3387         rx_buf = &rxr->rx_buf_ring[cons];
3388         data = rx_buf->data_ptr;
3389         len = le32_to_cpu(rxcmp->rx_cmp_len_flags_type) >> RX_CMP_LEN_SHIFT;
3390         if (len != pkt_size)
3391                 return -EIO;
3392         i = ETH_ALEN;
3393         if (!ether_addr_equal(data + i, bnapi->bp->dev->dev_addr))
3394                 return -EIO;
3395         i += ETH_ALEN;
3396         for (  ; i < pkt_size; i++) {
3397                 if (data[i] != (u8)(i & 0xff))
3398                         return -EIO;
3399         }
3400         return 0;
3401 }
3402
3403 static int bnxt_poll_loopback(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
3404                               int pkt_size)
3405 {
3406         struct tx_cmp *txcmp;
3407         int rc = -EIO;
3408         u32 raw_cons;
3409         u32 cons;
3410         int i;
3411
3412         raw_cons = cpr->cp_raw_cons;
3413         for (i = 0; i < 200; i++) {
3414                 cons = RING_CMP(raw_cons);
3415                 txcmp = &cpr->cp_desc_ring[CP_RING(cons)][CP_IDX(cons)];
3416
3417                 if (!TX_CMP_VALID(txcmp, raw_cons)) {
3418                         udelay(5);
3419                         continue;
3420                 }
3421
3422                 /* The valid test of the entry must be done first before
3423                  * reading any further.
3424                  */
3425                 dma_rmb();
3426                 if (TX_CMP_TYPE(txcmp) == CMP_TYPE_RX_L2_CMP) {
3427                         rc = bnxt_rx_loopback(bp, cpr, raw_cons, pkt_size);
3428                         raw_cons = NEXT_RAW_CMP(raw_cons);
3429                         raw_cons = NEXT_RAW_CMP(raw_cons);
3430                         break;
3431                 }
3432                 raw_cons = NEXT_RAW_CMP(raw_cons);
3433         }
3434         cpr->cp_raw_cons = raw_cons;
3435         return rc;
3436 }
3437
3438 static int bnxt_run_loopback(struct bnxt *bp)
3439 {
3440         struct bnxt_tx_ring_info *txr = &bp->tx_ring[0];
3441         struct bnxt_rx_ring_info *rxr = &bp->rx_ring[0];
3442         struct bnxt_cp_ring_info *cpr;
3443         int pkt_size, i = 0;
3444         struct sk_buff *skb;
3445         dma_addr_t map;
3446         u8 *data;
3447         int rc;
3448
3449         cpr = &rxr->bnapi->cp_ring;
3450         if (bp->flags & BNXT_FLAG_CHIP_P5)
3451                 cpr = cpr->cp_ring_arr[BNXT_RX_HDL];
3452         pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_copy_thresh);
3453         skb = netdev_alloc_skb(bp->dev, pkt_size);
3454         if (!skb)
3455                 return -ENOMEM;
3456         data = skb_put(skb, pkt_size);
3457         eth_broadcast_addr(data);
3458         i += ETH_ALEN;
3459         ether_addr_copy(&data[i], bp->dev->dev_addr);
3460         i += ETH_ALEN;
3461         for ( ; i < pkt_size; i++)
3462                 data[i] = (u8)(i & 0xff);
3463
3464         map = dma_map_single(&bp->pdev->dev, skb->data, pkt_size,
3465                              DMA_TO_DEVICE);
3466         if (dma_mapping_error(&bp->pdev->dev, map)) {
3467                 dev_kfree_skb(skb);
3468                 return -EIO;
3469         }
3470         bnxt_xmit_bd(bp, txr, map, pkt_size);
3471
3472         /* Sync BD data before updating doorbell */
3473         wmb();
3474
3475         bnxt_db_write(bp, &txr->tx_db, txr->tx_prod);
3476         rc = bnxt_poll_loopback(bp, cpr, pkt_size);
3477
3478         dma_unmap_single(&bp->pdev->dev, map, pkt_size, DMA_TO_DEVICE);
3479         dev_kfree_skb(skb);
3480         return rc;
3481 }
3482
3483 static int bnxt_run_fw_tests(struct bnxt *bp, u8 test_mask, u8 *test_results)
3484 {
3485         struct hwrm_selftest_exec_output *resp;
3486         struct hwrm_selftest_exec_input *req;
3487         int rc;
3488
3489         rc = hwrm_req_init(bp, req, HWRM_SELFTEST_EXEC);
3490         if (rc)
3491                 return rc;
3492
3493         hwrm_req_timeout(bp, req, bp->test_info->timeout);
3494         req->flags = test_mask;
3495
3496         resp = hwrm_req_hold(bp, req);
3497         rc = hwrm_req_send(bp, req);
3498         *test_results = resp->test_success;
3499         hwrm_req_drop(bp, req);
3500         return rc;
3501 }
3502
3503 #define BNXT_DRV_TESTS                  4
3504 #define BNXT_MACLPBK_TEST_IDX           (bp->num_tests - BNXT_DRV_TESTS)
3505 #define BNXT_PHYLPBK_TEST_IDX           (BNXT_MACLPBK_TEST_IDX + 1)
3506 #define BNXT_EXTLPBK_TEST_IDX           (BNXT_MACLPBK_TEST_IDX + 2)
3507 #define BNXT_IRQ_TEST_IDX               (BNXT_MACLPBK_TEST_IDX + 3)
3508
3509 static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest,
3510                            u64 *buf)
3511 {
3512         struct bnxt *bp = netdev_priv(dev);
3513         bool do_ext_lpbk = false;
3514         bool offline = false;
3515         u8 test_results = 0;
3516         u8 test_mask = 0;
3517         int rc = 0, i;
3518
3519         if (!bp->num_tests || !BNXT_PF(bp))
3520                 return;
3521         memset(buf, 0, sizeof(u64) * bp->num_tests);
3522         if (!netif_running(dev)) {
3523                 etest->flags |= ETH_TEST_FL_FAILED;
3524                 return;
3525         }
3526
3527         if ((etest->flags & ETH_TEST_FL_EXTERNAL_LB) &&
3528             (bp->phy_flags & BNXT_PHY_FL_EXT_LPBK))
3529                 do_ext_lpbk = true;
3530
3531         if (etest->flags & ETH_TEST_FL_OFFLINE) {
3532                 if (bp->pf.active_vfs || !BNXT_SINGLE_PF(bp)) {
3533                         etest->flags |= ETH_TEST_FL_FAILED;
3534                         netdev_warn(dev, "Offline tests cannot be run with active VFs or on shared PF\n");
3535                         return;
3536                 }
3537                 offline = true;
3538         }
3539
3540         for (i = 0; i < bp->num_tests - BNXT_DRV_TESTS; i++) {
3541                 u8 bit_val = 1 << i;
3542
3543                 if (!(bp->test_info->offline_mask & bit_val))
3544                         test_mask |= bit_val;
3545                 else if (offline)
3546                         test_mask |= bit_val;
3547         }
3548         if (!offline) {
3549                 bnxt_run_fw_tests(bp, test_mask, &test_results);
3550         } else {
3551                 rc = bnxt_close_nic(bp, false, false);
3552                 if (rc)
3553                         return;
3554                 bnxt_run_fw_tests(bp, test_mask, &test_results);
3555
3556                 buf[BNXT_MACLPBK_TEST_IDX] = 1;
3557                 bnxt_hwrm_mac_loopback(bp, true);
3558                 msleep(250);
3559                 rc = bnxt_half_open_nic(bp);
3560                 if (rc) {
3561                         bnxt_hwrm_mac_loopback(bp, false);
3562                         etest->flags |= ETH_TEST_FL_FAILED;
3563                         return;
3564                 }
3565                 if (bnxt_run_loopback(bp))
3566                         etest->flags |= ETH_TEST_FL_FAILED;
3567                 else
3568                         buf[BNXT_MACLPBK_TEST_IDX] = 0;
3569
3570                 bnxt_hwrm_mac_loopback(bp, false);
3571                 bnxt_hwrm_phy_loopback(bp, true, false);
3572                 msleep(1000);
3573                 if (bnxt_run_loopback(bp)) {
3574                         buf[BNXT_PHYLPBK_TEST_IDX] = 1;
3575                         etest->flags |= ETH_TEST_FL_FAILED;
3576                 }
3577                 if (do_ext_lpbk) {
3578                         etest->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
3579                         bnxt_hwrm_phy_loopback(bp, true, true);
3580                         msleep(1000);
3581                         if (bnxt_run_loopback(bp)) {
3582                                 buf[BNXT_EXTLPBK_TEST_IDX] = 1;
3583                                 etest->flags |= ETH_TEST_FL_FAILED;
3584                         }
3585                 }
3586                 bnxt_hwrm_phy_loopback(bp, false, false);
3587                 bnxt_half_close_nic(bp);
3588                 rc = bnxt_open_nic(bp, false, true);
3589         }
3590         if (rc || bnxt_test_irq(bp)) {
3591                 buf[BNXT_IRQ_TEST_IDX] = 1;
3592                 etest->flags |= ETH_TEST_FL_FAILED;
3593         }
3594         for (i = 0; i < bp->num_tests - BNXT_DRV_TESTS; i++) {
3595                 u8 bit_val = 1 << i;
3596
3597                 if ((test_mask & bit_val) && !(test_results & bit_val)) {
3598                         buf[i] = 1;
3599                         etest->flags |= ETH_TEST_FL_FAILED;
3600                 }
3601         }
3602 }
3603
3604 static int bnxt_reset(struct net_device *dev, u32 *flags)
3605 {
3606         struct bnxt *bp = netdev_priv(dev);
3607         bool reload = false;
3608         u32 req = *flags;
3609
3610         if (!req)
3611                 return -EINVAL;
3612
3613         if (!BNXT_PF(bp)) {
3614                 netdev_err(dev, "Reset is not supported from a VF\n");
3615                 return -EOPNOTSUPP;
3616         }
3617
3618         if (pci_vfs_assigned(bp->pdev) &&
3619             !(bp->fw_cap & BNXT_FW_CAP_HOT_RESET)) {
3620                 netdev_err(dev,
3621                            "Reset not allowed when VFs are assigned to VMs\n");
3622                 return -EBUSY;
3623         }
3624
3625         if ((req & BNXT_FW_RESET_CHIP) == BNXT_FW_RESET_CHIP) {
3626                 /* This feature is not supported in older firmware versions */
3627                 if (bp->hwrm_spec_code >= 0x10803) {
3628                         if (!bnxt_firmware_reset_chip(dev)) {
3629                                 netdev_info(dev, "Firmware reset request successful.\n");
3630                                 if (!(bp->fw_cap & BNXT_FW_CAP_HOT_RESET))
3631                                         reload = true;
3632                                 *flags &= ~BNXT_FW_RESET_CHIP;
3633                         }
3634                 } else if (req == BNXT_FW_RESET_CHIP) {
3635                         return -EOPNOTSUPP; /* only request, fail hard */
3636                 }
3637         }
3638
3639         if (req & BNXT_FW_RESET_AP) {
3640                 /* This feature is not supported in older firmware versions */
3641                 if (bp->hwrm_spec_code >= 0x10803) {
3642                         if (!bnxt_firmware_reset_ap(dev)) {
3643                                 netdev_info(dev, "Reset application processor successful.\n");
3644                                 reload = true;
3645                                 *flags &= ~BNXT_FW_RESET_AP;
3646                         }
3647                 } else if (req == BNXT_FW_RESET_AP) {
3648                         return -EOPNOTSUPP; /* only request, fail hard */
3649                 }
3650         }
3651
3652         if (reload)
3653                 netdev_info(dev, "Reload driver to complete reset\n");
3654
3655         return 0;
3656 }
3657
3658 static int bnxt_set_dump(struct net_device *dev, struct ethtool_dump *dump)
3659 {
3660         struct bnxt *bp = netdev_priv(dev);
3661
3662         if (dump->flag > BNXT_DUMP_CRASH) {
3663                 netdev_info(dev, "Supports only Live(0) and Crash(1) dumps.\n");
3664                 return -EINVAL;
3665         }
3666
3667         if (!IS_ENABLED(CONFIG_TEE_BNXT_FW) && dump->flag == BNXT_DUMP_CRASH) {
3668                 netdev_info(dev, "Cannot collect crash dump as TEE_BNXT_FW config option is not enabled.\n");
3669                 return -EOPNOTSUPP;
3670         }
3671
3672         bp->dump_flag = dump->flag;
3673         return 0;
3674 }
3675
3676 static int bnxt_get_dump_flag(struct net_device *dev, struct ethtool_dump *dump)
3677 {
3678         struct bnxt *bp = netdev_priv(dev);
3679
3680         if (bp->hwrm_spec_code < 0x10801)
3681                 return -EOPNOTSUPP;
3682
3683         dump->version = bp->ver_resp.hwrm_fw_maj_8b << 24 |
3684                         bp->ver_resp.hwrm_fw_min_8b << 16 |
3685                         bp->ver_resp.hwrm_fw_bld_8b << 8 |
3686                         bp->ver_resp.hwrm_fw_rsvd_8b;
3687
3688         dump->flag = bp->dump_flag;
3689         dump->len = bnxt_get_coredump_length(bp, bp->dump_flag);
3690         return 0;
3691 }
3692
3693 static int bnxt_get_dump_data(struct net_device *dev, struct ethtool_dump *dump,
3694                               void *buf)
3695 {
3696         struct bnxt *bp = netdev_priv(dev);
3697
3698         if (bp->hwrm_spec_code < 0x10801)
3699                 return -EOPNOTSUPP;
3700
3701         memset(buf, 0, dump->len);
3702
3703         dump->flag = bp->dump_flag;
3704         return bnxt_get_coredump(bp, dump->flag, buf, &dump->len);
3705 }
3706
3707 static int bnxt_get_ts_info(struct net_device *dev,
3708                             struct ethtool_ts_info *info)
3709 {
3710         struct bnxt *bp = netdev_priv(dev);
3711         struct bnxt_ptp_cfg *ptp;
3712
3713         ptp = bp->ptp_cfg;
3714         info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
3715                                 SOF_TIMESTAMPING_RX_SOFTWARE |
3716                                 SOF_TIMESTAMPING_SOFTWARE;
3717
3718         info->phc_index = -1;
3719         if (!ptp)
3720                 return 0;
3721
3722         info->so_timestamping |= SOF_TIMESTAMPING_TX_HARDWARE |
3723                                  SOF_TIMESTAMPING_RX_HARDWARE |
3724                                  SOF_TIMESTAMPING_RAW_HARDWARE;
3725         if (ptp->ptp_clock)
3726                 info->phc_index = ptp_clock_index(ptp->ptp_clock);
3727
3728         info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON);
3729
3730         info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
3731                            (1 << HWTSTAMP_FILTER_PTP_V2_L2_EVENT) |
3732                            (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT);
3733         return 0;
3734 }
3735
3736 void bnxt_ethtool_init(struct bnxt *bp)
3737 {
3738         struct hwrm_selftest_qlist_output *resp;
3739         struct hwrm_selftest_qlist_input *req;
3740         struct bnxt_test_info *test_info;
3741         struct net_device *dev = bp->dev;
3742         int i, rc;
3743
3744         if (!(bp->fw_cap & BNXT_FW_CAP_PKG_VER))
3745                 bnxt_get_pkgver(dev);
3746
3747         bp->num_tests = 0;
3748         if (bp->hwrm_spec_code < 0x10704 || !BNXT_PF(bp))
3749                 return;
3750
3751         test_info = bp->test_info;
3752         if (!test_info) {
3753                 test_info = kzalloc(sizeof(*bp->test_info), GFP_KERNEL);
3754                 if (!test_info)
3755                         return;
3756                 bp->test_info = test_info;
3757         }
3758
3759         if (hwrm_req_init(bp, req, HWRM_SELFTEST_QLIST))
3760                 return;
3761
3762         resp = hwrm_req_hold(bp, req);
3763         rc = hwrm_req_send_silent(bp, req);
3764         if (rc)
3765                 goto ethtool_init_exit;
3766
3767         bp->num_tests = resp->num_tests + BNXT_DRV_TESTS;
3768         if (bp->num_tests > BNXT_MAX_TEST)
3769                 bp->num_tests = BNXT_MAX_TEST;
3770
3771         test_info->offline_mask = resp->offline_tests;
3772         test_info->timeout = le16_to_cpu(resp->test_timeout);
3773         if (!test_info->timeout)
3774                 test_info->timeout = HWRM_CMD_TIMEOUT;
3775         for (i = 0; i < bp->num_tests; i++) {
3776                 char *str = test_info->string[i];
3777                 char *fw_str = resp->test0_name + i * 32;
3778
3779                 if (i == BNXT_MACLPBK_TEST_IDX) {
3780                         strcpy(str, "Mac loopback test (offline)");
3781                 } else if (i == BNXT_PHYLPBK_TEST_IDX) {
3782                         strcpy(str, "Phy loopback test (offline)");
3783                 } else if (i == BNXT_EXTLPBK_TEST_IDX) {
3784                         strcpy(str, "Ext loopback test (offline)");
3785                 } else if (i == BNXT_IRQ_TEST_IDX) {
3786                         strcpy(str, "Interrupt_test (offline)");
3787                 } else {
3788                         strlcpy(str, fw_str, ETH_GSTRING_LEN);
3789                         strncat(str, " test", ETH_GSTRING_LEN - strlen(str));
3790                         if (test_info->offline_mask & (1 << i))
3791                                 strncat(str, " (offline)",
3792                                         ETH_GSTRING_LEN - strlen(str));
3793                         else
3794                                 strncat(str, " (online)",
3795                                         ETH_GSTRING_LEN - strlen(str));
3796                 }
3797         }
3798
3799 ethtool_init_exit:
3800         hwrm_req_drop(bp, req);
3801 }
3802
3803 static void bnxt_get_eth_phy_stats(struct net_device *dev,
3804                                    struct ethtool_eth_phy_stats *phy_stats)
3805 {
3806         struct bnxt *bp = netdev_priv(dev);
3807         u64 *rx;
3808
3809         if (BNXT_VF(bp) || !(bp->flags & BNXT_FLAG_PORT_STATS_EXT))
3810                 return;
3811
3812         rx = bp->rx_port_stats_ext.sw_stats;
3813         phy_stats->SymbolErrorDuringCarrier =
3814                 *(rx + BNXT_RX_STATS_EXT_OFFSET(rx_pcs_symbol_err));
3815 }
3816
3817 static void bnxt_get_eth_mac_stats(struct net_device *dev,
3818                                    struct ethtool_eth_mac_stats *mac_stats)
3819 {
3820         struct bnxt *bp = netdev_priv(dev);
3821         u64 *rx, *tx;
3822
3823         if (BNXT_VF(bp) || !(bp->flags & BNXT_FLAG_PORT_STATS))
3824                 return;
3825
3826         rx = bp->port_stats.sw_stats;
3827         tx = bp->port_stats.sw_stats + BNXT_TX_PORT_STATS_BYTE_OFFSET / 8;
3828
3829         mac_stats->FramesReceivedOK =
3830                 BNXT_GET_RX_PORT_STATS64(rx, rx_good_frames);
3831         mac_stats->FramesTransmittedOK =
3832                 BNXT_GET_TX_PORT_STATS64(tx, tx_good_frames);
3833         mac_stats->FrameCheckSequenceErrors =
3834                 BNXT_GET_RX_PORT_STATS64(rx, rx_fcs_err_frames);
3835         mac_stats->AlignmentErrors =
3836                 BNXT_GET_RX_PORT_STATS64(rx, rx_align_err_frames);
3837         mac_stats->OutOfRangeLengthField =
3838                 BNXT_GET_RX_PORT_STATS64(rx, rx_oor_len_frames);
3839 }
3840
3841 static void bnxt_get_eth_ctrl_stats(struct net_device *dev,
3842                                     struct ethtool_eth_ctrl_stats *ctrl_stats)
3843 {
3844         struct bnxt *bp = netdev_priv(dev);
3845         u64 *rx;
3846
3847         if (BNXT_VF(bp) || !(bp->flags & BNXT_FLAG_PORT_STATS))
3848                 return;
3849
3850         rx = bp->port_stats.sw_stats;
3851         ctrl_stats->MACControlFramesReceived =
3852                 BNXT_GET_RX_PORT_STATS64(rx, rx_ctrl_frames);
3853 }
3854
3855 static const struct ethtool_rmon_hist_range bnxt_rmon_ranges[] = {
3856         {    0,    64 },
3857         {   65,   127 },
3858         {  128,   255 },
3859         {  256,   511 },
3860         {  512,  1023 },
3861         { 1024,  1518 },
3862         { 1519,  2047 },
3863         { 2048,  4095 },
3864         { 4096,  9216 },
3865         { 9217, 16383 },
3866         {}
3867 };
3868
3869 static void bnxt_get_rmon_stats(struct net_device *dev,
3870                                 struct ethtool_rmon_stats *rmon_stats,
3871                                 const struct ethtool_rmon_hist_range **ranges)
3872 {
3873         struct bnxt *bp = netdev_priv(dev);
3874         u64 *rx, *tx;
3875
3876         if (BNXT_VF(bp) || !(bp->flags & BNXT_FLAG_PORT_STATS))
3877                 return;
3878
3879         rx = bp->port_stats.sw_stats;
3880         tx = bp->port_stats.sw_stats + BNXT_TX_PORT_STATS_BYTE_OFFSET / 8;
3881
3882         rmon_stats->jabbers =
3883                 BNXT_GET_RX_PORT_STATS64(rx, rx_jbr_frames);
3884         rmon_stats->oversize_pkts =
3885                 BNXT_GET_RX_PORT_STATS64(rx, rx_ovrsz_frames);
3886         rmon_stats->undersize_pkts =
3887                 BNXT_GET_RX_PORT_STATS64(rx, rx_undrsz_frames);
3888
3889         rmon_stats->hist[0] = BNXT_GET_RX_PORT_STATS64(rx, rx_64b_frames);
3890         rmon_stats->hist[1] = BNXT_GET_RX_PORT_STATS64(rx, rx_65b_127b_frames);
3891         rmon_stats->hist[2] = BNXT_GET_RX_PORT_STATS64(rx, rx_128b_255b_frames);
3892         rmon_stats->hist[3] = BNXT_GET_RX_PORT_STATS64(rx, rx_256b_511b_frames);
3893         rmon_stats->hist[4] =
3894                 BNXT_GET_RX_PORT_STATS64(rx, rx_512b_1023b_frames);
3895         rmon_stats->hist[5] =
3896                 BNXT_GET_RX_PORT_STATS64(rx, rx_1024b_1518b_frames);
3897         rmon_stats->hist[6] =
3898                 BNXT_GET_RX_PORT_STATS64(rx, rx_1519b_2047b_frames);
3899         rmon_stats->hist[7] =
3900                 BNXT_GET_RX_PORT_STATS64(rx, rx_2048b_4095b_frames);
3901         rmon_stats->hist[8] =
3902                 BNXT_GET_RX_PORT_STATS64(rx, rx_4096b_9216b_frames);
3903         rmon_stats->hist[9] =
3904                 BNXT_GET_RX_PORT_STATS64(rx, rx_9217b_16383b_frames);
3905
3906         rmon_stats->hist_tx[0] =
3907                 BNXT_GET_TX_PORT_STATS64(tx, tx_64b_frames);
3908         rmon_stats->hist_tx[1] =
3909                 BNXT_GET_TX_PORT_STATS64(tx, tx_65b_127b_frames);
3910         rmon_stats->hist_tx[2] =
3911                 BNXT_GET_TX_PORT_STATS64(tx, tx_128b_255b_frames);
3912         rmon_stats->hist_tx[3] =
3913                 BNXT_GET_TX_PORT_STATS64(tx, tx_256b_511b_frames);
3914         rmon_stats->hist_tx[4] =
3915                 BNXT_GET_TX_PORT_STATS64(tx, tx_512b_1023b_frames);
3916         rmon_stats->hist_tx[5] =
3917                 BNXT_GET_TX_PORT_STATS64(tx, tx_1024b_1518b_frames);
3918         rmon_stats->hist_tx[6] =
3919                 BNXT_GET_TX_PORT_STATS64(tx, tx_1519b_2047b_frames);
3920         rmon_stats->hist_tx[7] =
3921                 BNXT_GET_TX_PORT_STATS64(tx, tx_2048b_4095b_frames);
3922         rmon_stats->hist_tx[8] =
3923                 BNXT_GET_TX_PORT_STATS64(tx, tx_4096b_9216b_frames);
3924         rmon_stats->hist_tx[9] =
3925                 BNXT_GET_TX_PORT_STATS64(tx, tx_9217b_16383b_frames);
3926
3927         *ranges = bnxt_rmon_ranges;
3928 }
3929
3930 void bnxt_ethtool_free(struct bnxt *bp)
3931 {
3932         kfree(bp->test_info);
3933         bp->test_info = NULL;
3934 }
3935
3936 const struct ethtool_ops bnxt_ethtool_ops = {
3937         .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
3938                                      ETHTOOL_COALESCE_MAX_FRAMES |
3939                                      ETHTOOL_COALESCE_USECS_IRQ |
3940                                      ETHTOOL_COALESCE_MAX_FRAMES_IRQ |
3941                                      ETHTOOL_COALESCE_STATS_BLOCK_USECS |
3942                                      ETHTOOL_COALESCE_USE_ADAPTIVE_RX |
3943                                      ETHTOOL_COALESCE_USE_CQE,
3944         .get_link_ksettings     = bnxt_get_link_ksettings,
3945         .set_link_ksettings     = bnxt_set_link_ksettings,
3946         .get_fec_stats          = bnxt_get_fec_stats,
3947         .get_fecparam           = bnxt_get_fecparam,
3948         .set_fecparam           = bnxt_set_fecparam,
3949         .get_pause_stats        = bnxt_get_pause_stats,
3950         .get_pauseparam         = bnxt_get_pauseparam,
3951         .set_pauseparam         = bnxt_set_pauseparam,
3952         .get_drvinfo            = bnxt_get_drvinfo,
3953         .get_regs_len           = bnxt_get_regs_len,
3954         .get_regs               = bnxt_get_regs,
3955         .get_wol                = bnxt_get_wol,
3956         .set_wol                = bnxt_set_wol,
3957         .get_coalesce           = bnxt_get_coalesce,
3958         .set_coalesce           = bnxt_set_coalesce,
3959         .get_msglevel           = bnxt_get_msglevel,
3960         .set_msglevel           = bnxt_set_msglevel,
3961         .get_sset_count         = bnxt_get_sset_count,
3962         .get_strings            = bnxt_get_strings,
3963         .get_ethtool_stats      = bnxt_get_ethtool_stats,
3964         .set_ringparam          = bnxt_set_ringparam,
3965         .get_ringparam          = bnxt_get_ringparam,
3966         .get_channels           = bnxt_get_channels,
3967         .set_channels           = bnxt_set_channels,
3968         .get_rxnfc              = bnxt_get_rxnfc,
3969         .set_rxnfc              = bnxt_set_rxnfc,
3970         .get_rxfh_indir_size    = bnxt_get_rxfh_indir_size,
3971         .get_rxfh_key_size      = bnxt_get_rxfh_key_size,
3972         .get_rxfh               = bnxt_get_rxfh,
3973         .set_rxfh               = bnxt_set_rxfh,
3974         .flash_device           = bnxt_flash_device,
3975         .get_eeprom_len         = bnxt_get_eeprom_len,
3976         .get_eeprom             = bnxt_get_eeprom,
3977         .set_eeprom             = bnxt_set_eeprom,
3978         .get_link               = bnxt_get_link,
3979         .get_eee                = bnxt_get_eee,
3980         .set_eee                = bnxt_set_eee,
3981         .get_module_info        = bnxt_get_module_info,
3982         .get_module_eeprom      = bnxt_get_module_eeprom,
3983         .nway_reset             = bnxt_nway_reset,
3984         .set_phys_id            = bnxt_set_phys_id,
3985         .self_test              = bnxt_self_test,
3986         .get_ts_info            = bnxt_get_ts_info,
3987         .reset                  = bnxt_reset,
3988         .set_dump               = bnxt_set_dump,
3989         .get_dump_flag          = bnxt_get_dump_flag,
3990         .get_dump_data          = bnxt_get_dump_data,
3991         .get_eth_phy_stats      = bnxt_get_eth_phy_stats,
3992         .get_eth_mac_stats      = bnxt_get_eth_mac_stats,
3993         .get_eth_ctrl_stats     = bnxt_get_eth_ctrl_stats,
3994         .get_rmon_stats         = bnxt_get_rmon_stats,
3995 };