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/interrupt.h>
  15 #include <linux/pci.h>
  16 #include <linux/etherdevice.h>
  17 #include <linux/crc32.h>
  18 #include <linux/firmware.h>
  19 #include <linux/utsname.h>
  20 #include <linux/time.h>
  21 #include "bnxt_hsi.h"
  22 #include "bnxt.h"
  23 #include "bnxt_xdp.h"
  24 #include "bnxt_ethtool.h"
  25 #include "bnxt_nvm_defs.h"      /* NVRAM content constant and structure defs */
  26 #include "bnxt_fw_hdr.h"        /* Firmware hdr constant and structure defs */
  27 #include "bnxt_coredump.h"
  28 #define FLASH_NVRAM_TIMEOUT     ((HWRM_CMD_TIMEOUT) * 100)
  29 #define FLASH_PACKAGE_TIMEOUT   ((HWRM_CMD_TIMEOUT) * 200)
  30 #define INSTALL_PACKAGE_TIMEOUT ((HWRM_CMD_TIMEOUT) * 200)
  31
  32 static u32 bnxt_get_msglevel(struct net_device *dev)
  33 {
  34         struct bnxt *bp = netdev_priv(dev);
  35
  36         return bp->msg_enable;
  37 }
  38
  39 static void bnxt_set_msglevel(struct net_device *dev, u32 value)
  40 {
  41         struct bnxt *bp = netdev_priv(dev);
  42
  43         bp->msg_enable = value;
  44 }
  45
  46 static int bnxt_get_coalesce(struct net_device *dev,
  47                              struct ethtool_coalesce *coal)
  48 {
  49         struct bnxt *bp = netdev_priv(dev);
  50         struct bnxt_coal *hw_coal;
  51         u16 mult;
  52
  53         memset(coal, 0, sizeof(*coal));
  54
  55         coal->use_adaptive_rx_coalesce = bp->flags & BNXT_FLAG_DIM;
  56
  57         hw_coal = &bp->rx_coal;
  58         mult = hw_coal->bufs_per_record;
  59         coal->rx_coalesce_usecs = hw_coal->coal_ticks;
  60         coal->rx_max_coalesced_frames = hw_coal->coal_bufs / mult;
  61         coal->rx_coalesce_usecs_irq = hw_coal->coal_ticks_irq;
  62         coal->rx_max_coalesced_frames_irq = hw_coal->coal_bufs_irq / mult;
  63
  64         hw_coal = &bp->tx_coal;
  65         mult = hw_coal->bufs_per_record;
  66         coal->tx_coalesce_usecs = hw_coal->coal_ticks;
  67         coal->tx_max_coalesced_frames = hw_coal->coal_bufs / mult;
  68         coal->tx_coalesce_usecs_irq = hw_coal->coal_ticks_irq;
  69         coal->tx_max_coalesced_frames_irq = hw_coal->coal_bufs_irq / mult;
  70
  71         coal->stats_block_coalesce_usecs = bp->stats_coal_ticks;
  72
  73         return 0;
  74 }
  75
  76 static int bnxt_set_coalesce(struct net_device *dev,
  77                              struct ethtool_coalesce *coal)
  78 {
  79         struct bnxt *bp = netdev_priv(dev);
  80         bool update_stats = false;
  81         struct bnxt_coal *hw_coal;
  82         int rc = 0;
  83         u16 mult;
  84
  85         if (coal->use_adaptive_rx_coalesce) {
  86                 bp->flags |= BNXT_FLAG_DIM;
  87         } else {
  88                 if (bp->flags & BNXT_FLAG_DIM) {
  89                         bp->flags &= ~(BNXT_FLAG_DIM);
  90                         goto reset_coalesce;
  91                 }
  92         }
  93
  94         hw_coal = &bp->rx_coal;
  95         mult = hw_coal->bufs_per_record;
  96         hw_coal->coal_ticks = coal->rx_coalesce_usecs;
  97         hw_coal->coal_bufs = coal->rx_max_coalesced_frames * mult;
  98         hw_coal->coal_ticks_irq = coal->rx_coalesce_usecs_irq;
  99         hw_coal->coal_bufs_irq = coal->rx_max_coalesced_frames_irq * mult;
 100
 101         hw_coal = &bp->tx_coal;
 102         mult = hw_coal->bufs_per_record;
 103         hw_coal->coal_ticks = coal->tx_coalesce_usecs;
 104         hw_coal->coal_bufs = coal->tx_max_coalesced_frames * mult;
 105         hw_coal->coal_ticks_irq = coal->tx_coalesce_usecs_irq;
 106         hw_coal->coal_bufs_irq = coal->tx_max_coalesced_frames_irq * mult;
 107
 108         if (bp->stats_coal_ticks != coal->stats_block_coalesce_usecs) {
 109                 u32 stats_ticks = coal->stats_block_coalesce_usecs;
 110
 111                 /* Allow 0, which means disable. */
 112                 if (stats_ticks)
 113                         stats_ticks = clamp_t(u32, stats_ticks,
 114                                               BNXT_MIN_STATS_COAL_TICKS,
 115                                               BNXT_MAX_STATS_COAL_TICKS);
 116                 stats_ticks = rounddown(stats_ticks, BNXT_MIN_STATS_COAL_TICKS);
 117                 bp->stats_coal_ticks = stats_ticks;
 118                 if (bp->stats_coal_ticks)
 119                         bp->current_interval =
 120                                 bp->stats_coal_ticks * HZ / 1000000;
 121                 else
 122                         bp->current_interval = BNXT_TIMER_INTERVAL;
 123                 update_stats = true;
 124         }
 125
 126 reset_coalesce:
 127         if (netif_running(dev)) {
 128                 if (update_stats) {
 129                         rc = bnxt_close_nic(bp, true, false);
 130                         if (!rc)
 131                                 rc = bnxt_open_nic(bp, true, false);
 132                 } else {
 133                         rc = bnxt_hwrm_set_coal(bp);
 134                 }
 135         }
 136
 137         return rc;
 138 }
 139
 140 #define BNXT_NUM_STATS  22
 141
 142 #define BNXT_RX_STATS_ENTRY(counter)    \
 143         { BNXT_RX_STATS_OFFSET(counter), __stringify(counter) }
 144
 145 #define BNXT_TX_STATS_ENTRY(counter)    \
 146         { BNXT_TX_STATS_OFFSET(counter), __stringify(counter) }
 147
 148 #define BNXT_RX_STATS_EXT_ENTRY(counter)        \
 149         { BNXT_RX_STATS_EXT_OFFSET(counter), __stringify(counter) }
 150
 151 #define BNXT_TX_STATS_EXT_ENTRY(counter)        \
 152         { BNXT_TX_STATS_EXT_OFFSET(counter), __stringify(counter) }
 153
 154 #define BNXT_RX_STATS_EXT_PFC_ENTRY(n)                          \
 155         BNXT_RX_STATS_EXT_ENTRY(pfc_pri##n##_rx_duration_us),   \
 156         BNXT_RX_STATS_EXT_ENTRY(pfc_pri##n##_rx_transitions)
 157
 158 #define BNXT_TX_STATS_EXT_PFC_ENTRY(n)                          \
 159         BNXT_TX_STATS_EXT_ENTRY(pfc_pri##n##_tx_duration_us),   \
 160         BNXT_TX_STATS_EXT_ENTRY(pfc_pri##n##_tx_transitions)
 161
 162 #define BNXT_RX_STATS_EXT_PFC_ENTRIES                           \
 163         BNXT_RX_STATS_EXT_PFC_ENTRY(0),                         \
 164         BNXT_RX_STATS_EXT_PFC_ENTRY(1),                         \
 165         BNXT_RX_STATS_EXT_PFC_ENTRY(2),                         \
 166         BNXT_RX_STATS_EXT_PFC_ENTRY(3),                         \
 167         BNXT_RX_STATS_EXT_PFC_ENTRY(4),                         \
 168         BNXT_RX_STATS_EXT_PFC_ENTRY(5),                         \
 169         BNXT_RX_STATS_EXT_PFC_ENTRY(6),                         \
 170         BNXT_RX_STATS_EXT_PFC_ENTRY(7)
 171
 172 #define BNXT_TX_STATS_EXT_PFC_ENTRIES                           \
 173         BNXT_TX_STATS_EXT_PFC_ENTRY(0),                         \
 174         BNXT_TX_STATS_EXT_PFC_ENTRY(1),                         \
 175         BNXT_TX_STATS_EXT_PFC_ENTRY(2),                         \
 176         BNXT_TX_STATS_EXT_PFC_ENTRY(3),                         \
 177         BNXT_TX_STATS_EXT_PFC_ENTRY(4),                         \
 178         BNXT_TX_STATS_EXT_PFC_ENTRY(5),                         \
 179         BNXT_TX_STATS_EXT_PFC_ENTRY(6),                         \
 180         BNXT_TX_STATS_EXT_PFC_ENTRY(7)
 181
 182 #define BNXT_RX_STATS_EXT_COS_ENTRY(n)                          \
 183         BNXT_RX_STATS_EXT_ENTRY(rx_bytes_cos##n),               \
 184         BNXT_RX_STATS_EXT_ENTRY(rx_packets_cos##n)
 185
 186 #define BNXT_TX_STATS_EXT_COS_ENTRY(n)                          \
 187         BNXT_TX_STATS_EXT_ENTRY(tx_bytes_cos##n),               \
 188         BNXT_TX_STATS_EXT_ENTRY(tx_packets_cos##n)
 189
 190 #define BNXT_RX_STATS_EXT_COS_ENTRIES                           \
 191         BNXT_RX_STATS_EXT_COS_ENTRY(0),                         \
 192         BNXT_RX_STATS_EXT_COS_ENTRY(1),                         \
 193         BNXT_RX_STATS_EXT_COS_ENTRY(2),                         \
 194         BNXT_RX_STATS_EXT_COS_ENTRY(3),                         \
 195         BNXT_RX_STATS_EXT_COS_ENTRY(4),                         \
 196         BNXT_RX_STATS_EXT_COS_ENTRY(5),                         \
 197         BNXT_RX_STATS_EXT_COS_ENTRY(6),                         \
 198         BNXT_RX_STATS_EXT_COS_ENTRY(7)                          \
 199
 200 #define BNXT_TX_STATS_EXT_COS_ENTRIES                           \
 201         BNXT_TX_STATS_EXT_COS_ENTRY(0),                         \
 202         BNXT_TX_STATS_EXT_COS_ENTRY(1),                         \
 203         BNXT_TX_STATS_EXT_COS_ENTRY(2),                         \
 204         BNXT_TX_STATS_EXT_COS_ENTRY(3),                         \
 205         BNXT_TX_STATS_EXT_COS_ENTRY(4),                         \
 206         BNXT_TX_STATS_EXT_COS_ENTRY(5),                         \
 207         BNXT_TX_STATS_EXT_COS_ENTRY(6),                         \
 208         BNXT_TX_STATS_EXT_COS_ENTRY(7)                          \
 209
 210 enum {
 211         RX_TOTAL_DISCARDS,
 212         TX_TOTAL_DISCARDS,
 213 };
 214
 215 static struct {
 216         u64                     counter;
 217         char                    string[ETH_GSTRING_LEN];
 218 } bnxt_sw_func_stats[] = {
 219         {0, "rx_total_discard_pkts"},
 220         {0, "tx_total_discard_pkts"},
 221 };
 222
 223 static const struct {
 224         long offset;
 225         char string[ETH_GSTRING_LEN];
 226 } bnxt_port_stats_arr[] = {
 227         BNXT_RX_STATS_ENTRY(rx_64b_frames),
 228         BNXT_RX_STATS_ENTRY(rx_65b_127b_frames),
 229         BNXT_RX_STATS_ENTRY(rx_128b_255b_frames),
 230         BNXT_RX_STATS_ENTRY(rx_256b_511b_frames),
 231         BNXT_RX_STATS_ENTRY(rx_512b_1023b_frames),
 232         BNXT_RX_STATS_ENTRY(rx_1024b_1518b_frames),
 233         BNXT_RX_STATS_ENTRY(rx_good_vlan_frames),
 234         BNXT_RX_STATS_ENTRY(rx_1519b_2047b_frames),
 235         BNXT_RX_STATS_ENTRY(rx_2048b_4095b_frames),
 236         BNXT_RX_STATS_ENTRY(rx_4096b_9216b_frames),
 237         BNXT_RX_STATS_ENTRY(rx_9217b_16383b_frames),
 238         BNXT_RX_STATS_ENTRY(rx_total_frames),
 239         BNXT_RX_STATS_ENTRY(rx_ucast_frames),
 240         BNXT_RX_STATS_ENTRY(rx_mcast_frames),
 241         BNXT_RX_STATS_ENTRY(rx_bcast_frames),
 242         BNXT_RX_STATS_ENTRY(rx_fcs_err_frames),
 243         BNXT_RX_STATS_ENTRY(rx_ctrl_frames),
 244         BNXT_RX_STATS_ENTRY(rx_pause_frames),
 245         BNXT_RX_STATS_ENTRY(rx_pfc_frames),
 246         BNXT_RX_STATS_ENTRY(rx_align_err_frames),
 247         BNXT_RX_STATS_ENTRY(rx_ovrsz_frames),
 248         BNXT_RX_STATS_ENTRY(rx_jbr_frames),
 249         BNXT_RX_STATS_ENTRY(rx_mtu_err_frames),
 250         BNXT_RX_STATS_ENTRY(rx_tagged_frames),
 251         BNXT_RX_STATS_ENTRY(rx_double_tagged_frames),
 252         BNXT_RX_STATS_ENTRY(rx_good_frames),
 253         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri0),
 254         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri1),
 255         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri2),
 256         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri3),
 257         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri4),
 258         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri5),
 259         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri6),
 260         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri7),
 261         BNXT_RX_STATS_ENTRY(rx_undrsz_frames),
 262         BNXT_RX_STATS_ENTRY(rx_eee_lpi_events),
 263         BNXT_RX_STATS_ENTRY(rx_eee_lpi_duration),
 264         BNXT_RX_STATS_ENTRY(rx_bytes),
 265         BNXT_RX_STATS_ENTRY(rx_runt_bytes),
 266         BNXT_RX_STATS_ENTRY(rx_runt_frames),
 267         BNXT_RX_STATS_ENTRY(rx_stat_discard),
 268         BNXT_RX_STATS_ENTRY(rx_stat_err),
 269
 270         BNXT_TX_STATS_ENTRY(tx_64b_frames),
 271         BNXT_TX_STATS_ENTRY(tx_65b_127b_frames),
 272         BNXT_TX_STATS_ENTRY(tx_128b_255b_frames),
 273         BNXT_TX_STATS_ENTRY(tx_256b_511b_frames),
 274         BNXT_TX_STATS_ENTRY(tx_512b_1023b_frames),
 275         BNXT_TX_STATS_ENTRY(tx_1024b_1518b_frames),
 276         BNXT_TX_STATS_ENTRY(tx_good_vlan_frames),
 277         BNXT_TX_STATS_ENTRY(tx_1519b_2047b_frames),
 278         BNXT_TX_STATS_ENTRY(tx_2048b_4095b_frames),
 279         BNXT_TX_STATS_ENTRY(tx_4096b_9216b_frames),
 280         BNXT_TX_STATS_ENTRY(tx_9217b_16383b_frames),
 281         BNXT_TX_STATS_ENTRY(tx_good_frames),
 282         BNXT_TX_STATS_ENTRY(tx_total_frames),
 283         BNXT_TX_STATS_ENTRY(tx_ucast_frames),
 284         BNXT_TX_STATS_ENTRY(tx_mcast_frames),
 285         BNXT_TX_STATS_ENTRY(tx_bcast_frames),
 286         BNXT_TX_STATS_ENTRY(tx_pause_frames),
 287         BNXT_TX_STATS_ENTRY(tx_pfc_frames),
 288         BNXT_TX_STATS_ENTRY(tx_jabber_frames),
 289         BNXT_TX_STATS_ENTRY(tx_fcs_err_frames),
 290         BNXT_TX_STATS_ENTRY(tx_err),
 291         BNXT_TX_STATS_ENTRY(tx_fifo_underruns),
 292         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri0),
 293         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri1),
 294         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri2),
 295         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri3),
 296         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri4),
 297         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri5),
 298         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri6),
 299         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri7),
 300         BNXT_TX_STATS_ENTRY(tx_eee_lpi_events),
 301         BNXT_TX_STATS_ENTRY(tx_eee_lpi_duration),
 302         BNXT_TX_STATS_ENTRY(tx_total_collisions),
 303         BNXT_TX_STATS_ENTRY(tx_bytes),
 304         BNXT_TX_STATS_ENTRY(tx_xthol_frames),
 305         BNXT_TX_STATS_ENTRY(tx_stat_discard),
 306         BNXT_TX_STATS_ENTRY(tx_stat_error),
 307 };
 308
 309 static const struct {
 310         long offset;
 311         char string[ETH_GSTRING_LEN];
 312 } bnxt_port_stats_ext_arr[] = {
 313         BNXT_RX_STATS_EXT_ENTRY(link_down_events),
 314         BNXT_RX_STATS_EXT_ENTRY(continuous_pause_events),
 315         BNXT_RX_STATS_EXT_ENTRY(resume_pause_events),
 316         BNXT_RX_STATS_EXT_ENTRY(continuous_roce_pause_events),
 317         BNXT_RX_STATS_EXT_ENTRY(resume_roce_pause_events),
 318         BNXT_RX_STATS_EXT_COS_ENTRIES,
 319         BNXT_RX_STATS_EXT_PFC_ENTRIES,
 320 };
 321
 322 static const struct {
 323         long offset;
 324         char string[ETH_GSTRING_LEN];
 325 } bnxt_tx_port_stats_ext_arr[] = {
 326         BNXT_TX_STATS_EXT_COS_ENTRIES,
 327         BNXT_TX_STATS_EXT_PFC_ENTRIES,
 328 };
 329
 330 #define BNXT_NUM_SW_FUNC_STATS  ARRAY_SIZE(bnxt_sw_func_stats)
 331 #define BNXT_NUM_PORT_STATS ARRAY_SIZE(bnxt_port_stats_arr)
 332
 333 static int bnxt_get_num_stats(struct bnxt *bp)
 334 {
 335         int num_stats = BNXT_NUM_STATS * bp->cp_nr_rings;
 336
 337         num_stats += BNXT_NUM_SW_FUNC_STATS;
 338
 339         if (bp->flags & BNXT_FLAG_PORT_STATS)
 340                 num_stats += BNXT_NUM_PORT_STATS;
 341
 342         if (bp->flags & BNXT_FLAG_PORT_STATS_EXT)
 343                 num_stats += bp->fw_rx_stats_ext_size +
 344                              bp->fw_tx_stats_ext_size;
 345
 346         return num_stats;
 347 }
 348
 349 static int bnxt_get_sset_count(struct net_device *dev, int sset)
 350 {
 351         struct bnxt *bp = netdev_priv(dev);
 352
 353         switch (sset) {
 354         case ETH_SS_STATS:
 355                 return bnxt_get_num_stats(bp);
 356         case ETH_SS_TEST:
 357                 if (!bp->num_tests)
 358                         return -EOPNOTSUPP;
 359                 return bp->num_tests;
 360         default:
 361                 return -EOPNOTSUPP;
 362         }
 363 }
 364
 365 static void bnxt_get_ethtool_stats(struct net_device *dev,
 366                                    struct ethtool_stats *stats, u64 *buf)
 367 {
 368         u32 i, j = 0;
 369         struct bnxt *bp = netdev_priv(dev);
 370         u32 stat_fields = sizeof(struct ctx_hw_stats) / 8;
 371
 372         if (!bp->bnapi)
 373                 return;
 374
 375         for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++)
 376                 bnxt_sw_func_stats[i].counter = 0;
 377
 378         for (i = 0; i < bp->cp_nr_rings; i++) {
 379                 struct bnxt_napi *bnapi = bp->bnapi[i];
 380                 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
 381                 __le64 *hw_stats = (__le64 *)cpr->hw_stats;
 382                 int k;
 383
 384                 for (k = 0; k < stat_fields; j++, k++)
 385                         buf[j] = le64_to_cpu(hw_stats[k]);
 386                 buf[j++] = cpr->rx_l4_csum_errors;
 387                 buf[j++] = cpr->missed_irqs;
 388
 389                 bnxt_sw_func_stats[RX_TOTAL_DISCARDS].counter +=
 390                         le64_to_cpu(cpr->hw_stats->rx_discard_pkts);
 391                 bnxt_sw_func_stats[TX_TOTAL_DISCARDS].counter +=
 392                         le64_to_cpu(cpr->hw_stats->tx_discard_pkts);
 393         }
 394
 395         for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++, j++)
 396                 buf[j] = bnxt_sw_func_stats[i].counter;
 397
 398         if (bp->flags & BNXT_FLAG_PORT_STATS) {
 399                 __le64 *port_stats = (__le64 *)bp->hw_rx_port_stats;
 400
 401                 for (i = 0; i < BNXT_NUM_PORT_STATS; i++, j++) {
 402                         buf[j] = le64_to_cpu(*(port_stats +
 403                                                bnxt_port_stats_arr[i].offset));
 404                 }
 405         }
 406         if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) {
 407                 __le64 *rx_port_stats_ext = (__le64 *)bp->hw_rx_port_stats_ext;
 408                 __le64 *tx_port_stats_ext = (__le64 *)bp->hw_tx_port_stats_ext;
 409
 410                 for (i = 0; i < bp->fw_rx_stats_ext_size; i++, j++) {
 411                         buf[j] = le64_to_cpu(*(rx_port_stats_ext +
 412                                             bnxt_port_stats_ext_arr[i].offset));
 413                 }
 414                 for (i = 0; i < bp->fw_tx_stats_ext_size; i++, j++) {
 415                         buf[j] = le64_to_cpu(*(tx_port_stats_ext +
 416                                         bnxt_tx_port_stats_ext_arr[i].offset));
 417                 }
 418         }
 419 }
 420
 421 static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
 422 {
 423         struct bnxt *bp = netdev_priv(dev);
 424         u32 i;
 425
 426         switch (stringset) {
 427         /* The number of strings must match BNXT_NUM_STATS defined above. */
 428         case ETH_SS_STATS:
 429                 for (i = 0; i < bp->cp_nr_rings; i++) {
 430                         sprintf(buf, "[%d]: rx_ucast_packets", i);
 431                         buf += ETH_GSTRING_LEN;
 432                         sprintf(buf, "[%d]: rx_mcast_packets", i);
 433                         buf += ETH_GSTRING_LEN;
 434                         sprintf(buf, "[%d]: rx_bcast_packets", i);
 435                         buf += ETH_GSTRING_LEN;
 436                         sprintf(buf, "[%d]: rx_discards", i);
 437                         buf += ETH_GSTRING_LEN;
 438                         sprintf(buf, "[%d]: rx_drops", i);
 439                         buf += ETH_GSTRING_LEN;
 440                         sprintf(buf, "[%d]: rx_ucast_bytes", i);
 441                         buf += ETH_GSTRING_LEN;
 442                         sprintf(buf, "[%d]: rx_mcast_bytes", i);
 443                         buf += ETH_GSTRING_LEN;
 444                         sprintf(buf, "[%d]: rx_bcast_bytes", i);
 445                         buf += ETH_GSTRING_LEN;
 446                         sprintf(buf, "[%d]: tx_ucast_packets", i);
 447                         buf += ETH_GSTRING_LEN;
 448                         sprintf(buf, "[%d]: tx_mcast_packets", i);
 449                         buf += ETH_GSTRING_LEN;
 450                         sprintf(buf, "[%d]: tx_bcast_packets", i);
 451                         buf += ETH_GSTRING_LEN;
 452                         sprintf(buf, "[%d]: tx_discards", i);
 453                         buf += ETH_GSTRING_LEN;
 454                         sprintf(buf, "[%d]: tx_drops", i);
 455                         buf += ETH_GSTRING_LEN;
 456                         sprintf(buf, "[%d]: tx_ucast_bytes", i);
 457                         buf += ETH_GSTRING_LEN;
 458                         sprintf(buf, "[%d]: tx_mcast_bytes", i);
 459                         buf += ETH_GSTRING_LEN;
 460                         sprintf(buf, "[%d]: tx_bcast_bytes", i);
 461                         buf += ETH_GSTRING_LEN;
 462                         sprintf(buf, "[%d]: tpa_packets", i);
 463                         buf += ETH_GSTRING_LEN;
 464                         sprintf(buf, "[%d]: tpa_bytes", i);
 465                         buf += ETH_GSTRING_LEN;
 466                         sprintf(buf, "[%d]: tpa_events", i);
 467                         buf += ETH_GSTRING_LEN;
 468                         sprintf(buf, "[%d]: tpa_aborts", i);
 469                         buf += ETH_GSTRING_LEN;
 470                         sprintf(buf, "[%d]: rx_l4_csum_errors", i);
 471                         buf += ETH_GSTRING_LEN;
 472                         sprintf(buf, "[%d]: missed_irqs", i);
 473                         buf += ETH_GSTRING_LEN;
 474                 }
 475                 for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++) {
 476                         strcpy(buf, bnxt_sw_func_stats[i].string);
 477                         buf += ETH_GSTRING_LEN;
 478                 }
 479
 480                 if (bp->flags & BNXT_FLAG_PORT_STATS) {
 481                         for (i = 0; i < BNXT_NUM_PORT_STATS; i++) {
 482                                 strcpy(buf, bnxt_port_stats_arr[i].string);
 483                                 buf += ETH_GSTRING_LEN;
 484                         }
 485                 }
 486                 if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) {
 487                         for (i = 0; i < bp->fw_rx_stats_ext_size; i++) {
 488                                 strcpy(buf, bnxt_port_stats_ext_arr[i].string);
 489                                 buf += ETH_GSTRING_LEN;
 490                         }
 491                         for (i = 0; i < bp->fw_tx_stats_ext_size; i++) {
 492                                 strcpy(buf,
 493                                        bnxt_tx_port_stats_ext_arr[i].string);
 494                                 buf += ETH_GSTRING_LEN;
 495                         }
 496                 }
 497                 break;
 498         case ETH_SS_TEST:
 499                 if (bp->num_tests)
 500                         memcpy(buf, bp->test_info->string,
 501                                bp->num_tests * ETH_GSTRING_LEN);
 502                 break;
 503         default:
 504                 netdev_err(bp->dev, "bnxt_get_strings invalid request %x\n",
 505                            stringset);
 506                 break;
 507         }
 508 }
 509
 510 static void bnxt_get_ringparam(struct net_device *dev,
 511                                struct ethtool_ringparam *ering)
 512 {
 513         struct bnxt *bp = netdev_priv(dev);
 514
 515         ering->rx_max_pending = BNXT_MAX_RX_DESC_CNT;
 516         ering->rx_jumbo_max_pending = BNXT_MAX_RX_JUM_DESC_CNT;
 517         ering->tx_max_pending = BNXT_MAX_TX_DESC_CNT;
 518
 519         ering->rx_pending = bp->rx_ring_size;
 520         ering->rx_jumbo_pending = bp->rx_agg_ring_size;
 521         ering->tx_pending = bp->tx_ring_size;
 522 }
 523
 524 static int bnxt_set_ringparam(struct net_device *dev,
 525                               struct ethtool_ringparam *ering)
 526 {
 527         struct bnxt *bp = netdev_priv(dev);
 528
 529         if ((ering->rx_pending > BNXT_MAX_RX_DESC_CNT) ||
 530             (ering->tx_pending > BNXT_MAX_TX_DESC_CNT) ||
 531             (ering->tx_pending <= MAX_SKB_FRAGS))
 532                 return -EINVAL;
 533
 534         if (netif_running(dev))
 535                 bnxt_close_nic(bp, false, false);
 536
 537         bp->rx_ring_size = ering->rx_pending;
 538         bp->tx_ring_size = ering->tx_pending;
 539         bnxt_set_ring_params(bp);
 540
 541         if (netif_running(dev))
 542                 return bnxt_open_nic(bp, false, false);
 543
 544         return 0;
 545 }
 546
 547 static void bnxt_get_channels(struct net_device *dev,
 548                               struct ethtool_channels *channel)
 549 {
 550         struct bnxt *bp = netdev_priv(dev);
 551         struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
 552         int max_rx_rings, max_tx_rings, tcs;
 553         int max_tx_sch_inputs;
 554
 555         /* Get the most up-to-date max_tx_sch_inputs. */
 556         if (BNXT_NEW_RM(bp))
 557                 bnxt_hwrm_func_resc_qcaps(bp, false);
 558         max_tx_sch_inputs = hw_resc->max_tx_sch_inputs;
 559
 560         bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, true);
 561         if (max_tx_sch_inputs)
 562                 max_tx_rings = min_t(int, max_tx_rings, max_tx_sch_inputs);
 563         channel->max_combined = min_t(int, max_rx_rings, max_tx_rings);
 564
 565         if (bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, false)) {
 566                 max_rx_rings = 0;
 567                 max_tx_rings = 0;
 568         }
 569         if (max_tx_sch_inputs)
 570                 max_tx_rings = min_t(int, max_tx_rings, max_tx_sch_inputs);
 571
 572         tcs = netdev_get_num_tc(dev);
 573         if (tcs > 1)
 574                 max_tx_rings /= tcs;
 575
 576         channel->max_rx = max_rx_rings;
 577         channel->max_tx = max_tx_rings;
 578         channel->max_other = 0;
 579         if (bp->flags & BNXT_FLAG_SHARED_RINGS) {
 580                 channel->combined_count = bp->rx_nr_rings;
 581                 if (BNXT_CHIP_TYPE_NITRO_A0(bp))
 582                         channel->combined_count--;
 583         } else {
 584                 if (!BNXT_CHIP_TYPE_NITRO_A0(bp)) {
 585                         channel->rx_count = bp->rx_nr_rings;
 586                         channel->tx_count = bp->tx_nr_rings_per_tc;
 587                 }
 588         }
 589 }
 590
 591 static int bnxt_set_channels(struct net_device *dev,
 592                              struct ethtool_channels *channel)
 593 {
 594         struct bnxt *bp = netdev_priv(dev);
 595         int req_tx_rings, req_rx_rings, tcs;
 596         bool sh = false;
 597         int tx_xdp = 0;
 598         int rc = 0;
 599
 600         if (channel->other_count)
 601                 return -EINVAL;
 602
 603         if (!channel->combined_count &&
 604             (!channel->rx_count || !channel->tx_count))
 605                 return -EINVAL;
 606
 607         if (channel->combined_count &&
 608             (channel->rx_count || channel->tx_count))
 609                 return -EINVAL;
 610
 611         if (BNXT_CHIP_TYPE_NITRO_A0(bp) && (channel->rx_count ||
 612                                             channel->tx_count))
 613                 return -EINVAL;
 614
 615         if (channel->combined_count)
 616                 sh = true;
 617
 618         tcs = netdev_get_num_tc(dev);
 619
 620         req_tx_rings = sh ? channel->combined_count : channel->tx_count;
 621         req_rx_rings = sh ? channel->combined_count : channel->rx_count;
 622         if (bp->tx_nr_rings_xdp) {
 623                 if (!sh) {
 624                         netdev_err(dev, "Only combined mode supported when XDP is enabled.\n");
 625                         return -EINVAL;
 626                 }
 627                 tx_xdp = req_rx_rings;
 628         }
 629         rc = bnxt_check_rings(bp, req_tx_rings, req_rx_rings, sh, tcs, tx_xdp);
 630         if (rc) {
 631                 netdev_warn(dev, "Unable to allocate the requested rings\n");
 632                 return rc;
 633         }
 634
 635         if (netif_running(dev)) {
 636                 if (BNXT_PF(bp)) {
 637                         /* TODO CHIMP_FW: Send message to all VF's
 638                          * before PF unload
 639                          */
 640                 }
 641                 rc = bnxt_close_nic(bp, true, false);
 642                 if (rc) {
 643                         netdev_err(bp->dev, "Set channel failure rc :%x\n",
 644                                    rc);
 645                         return rc;
 646                 }
 647         }
 648
 649         if (sh) {
 650                 bp->flags |= BNXT_FLAG_SHARED_RINGS;
 651                 bp->rx_nr_rings = channel->combined_count;
 652                 bp->tx_nr_rings_per_tc = channel->combined_count;
 653         } else {
 654                 bp->flags &= ~BNXT_FLAG_SHARED_RINGS;
 655                 bp->rx_nr_rings = channel->rx_count;
 656                 bp->tx_nr_rings_per_tc = channel->tx_count;
 657         }
 658         bp->tx_nr_rings_xdp = tx_xdp;
 659         bp->tx_nr_rings = bp->tx_nr_rings_per_tc + tx_xdp;
 660         if (tcs > 1)
 661                 bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs + tx_xdp;
 662
 663         bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) :
 664                                bp->tx_nr_rings + bp->rx_nr_rings;
 665
 666         bp->num_stat_ctxs = bp->cp_nr_rings;
 667
 668         /* After changing number of rx channels, update NTUPLE feature. */
 669         netdev_update_features(dev);
 670         if (netif_running(dev)) {
 671                 rc = bnxt_open_nic(bp, true, false);
 672                 if ((!rc) && BNXT_PF(bp)) {
 673                         /* TODO CHIMP_FW: Send message to all VF's
 674                          * to renable
 675                          */
 676                 }
 677         } else {
 678                 rc = bnxt_reserve_rings(bp);
 679         }
 680
 681         return rc;
 682 }
 683
 684 #ifdef CONFIG_RFS_ACCEL
 685 static int bnxt_grxclsrlall(struct bnxt *bp, struct ethtool_rxnfc *cmd,
 686                             u32 *rule_locs)
 687 {
 688         int i, j = 0;
 689
 690         cmd->data = bp->ntp_fltr_count;
 691         for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
 692                 struct hlist_head *head;
 693                 struct bnxt_ntuple_filter *fltr;
 694
 695                 head = &bp->ntp_fltr_hash_tbl[i];
 696                 rcu_read_lock();
 697                 hlist_for_each_entry_rcu(fltr, head, hash) {
 698                         if (j == cmd->rule_cnt)
 699                                 break;
 700                         rule_locs[j++] = fltr->sw_id;
 701                 }
 702                 rcu_read_unlock();
 703                 if (j == cmd->rule_cnt)
 704                         break;
 705         }
 706         cmd->rule_cnt = j;
 707         return 0;
 708 }
 709
 710 static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd)
 711 {
 712         struct ethtool_rx_flow_spec *fs =
 713                 (struct ethtool_rx_flow_spec *)&cmd->fs;
 714         struct bnxt_ntuple_filter *fltr;
 715         struct flow_keys *fkeys;
 716         int i, rc = -EINVAL;
 717
 718         if (fs->location >= BNXT_NTP_FLTR_MAX_FLTR)
 719                 return rc;
 720
 721         for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
 722                 struct hlist_head *head;
 723
 724                 head = &bp->ntp_fltr_hash_tbl[i];
 725                 rcu_read_lock();
 726                 hlist_for_each_entry_rcu(fltr, head, hash) {
 727                         if (fltr->sw_id == fs->location)
 728                                 goto fltr_found;
 729                 }
 730                 rcu_read_unlock();
 731         }
 732         return rc;
 733
 734 fltr_found:
 735         fkeys = &fltr->fkeys;
 736         if (fkeys->basic.n_proto == htons(ETH_P_IP)) {
 737                 if (fkeys->basic.ip_proto == IPPROTO_TCP)
 738                         fs->flow_type = TCP_V4_FLOW;
 739                 else if (fkeys->basic.ip_proto == IPPROTO_UDP)
 740                         fs->flow_type = UDP_V4_FLOW;
 741                 else
 742                         goto fltr_err;
 743
 744                 fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src;
 745                 fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0);
 746
 747                 fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst;
 748                 fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0);
 749
 750                 fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src;
 751                 fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0);
 752
 753                 fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst;
 754                 fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0);
 755         } else {
 756                 int i;
 757
 758                 if (fkeys->basic.ip_proto == IPPROTO_TCP)
 759                         fs->flow_type = TCP_V6_FLOW;
 760                 else if (fkeys->basic.ip_proto == IPPROTO_UDP)
 761                         fs->flow_type = UDP_V6_FLOW;
 762                 else
 763                         goto fltr_err;
 764
 765                 *(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6src[0] =
 766                         fkeys->addrs.v6addrs.src;
 767                 *(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6dst[0] =
 768                         fkeys->addrs.v6addrs.dst;
 769                 for (i = 0; i < 4; i++) {
 770                         fs->m_u.tcp_ip6_spec.ip6src[i] = cpu_to_be32(~0);
 771                         fs->m_u.tcp_ip6_spec.ip6dst[i] = cpu_to_be32(~0);
 772                 }
 773                 fs->h_u.tcp_ip6_spec.psrc = fkeys->ports.src;
 774                 fs->m_u.tcp_ip6_spec.psrc = cpu_to_be16(~0);
 775
 776                 fs->h_u.tcp_ip6_spec.pdst = fkeys->ports.dst;
 777                 fs->m_u.tcp_ip6_spec.pdst = cpu_to_be16(~0);
 778         }
 779
 780         fs->ring_cookie = fltr->rxq;
 781         rc = 0;
 782
 783 fltr_err:
 784         rcu_read_unlock();
 785
 786         return rc;
 787 }
 788 #endif
 789
 790 static u64 get_ethtool_ipv4_rss(struct bnxt *bp)
 791 {
 792         if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4)
 793                 return RXH_IP_SRC | RXH_IP_DST;
 794         return 0;
 795 }
 796
 797 static u64 get_ethtool_ipv6_rss(struct bnxt *bp)
 798 {
 799         if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6)
 800                 return RXH_IP_SRC | RXH_IP_DST;
 801         return 0;
 802 }
 803
 804 static int bnxt_grxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd)
 805 {
 806         cmd->data = 0;
 807         switch (cmd->flow_type) {
 808         case TCP_V4_FLOW:
 809                 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4)
 810                         cmd->data |= RXH_IP_SRC | RXH_IP_DST |
 811                                      RXH_L4_B_0_1 | RXH_L4_B_2_3;
 812                 cmd->data |= get_ethtool_ipv4_rss(bp);
 813                 break;
 814         case UDP_V4_FLOW:
 815                 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4)
 816                         cmd->data |= RXH_IP_SRC | RXH_IP_DST |
 817                                      RXH_L4_B_0_1 | RXH_L4_B_2_3;
 818                 /* fall through */
 819         case SCTP_V4_FLOW:
 820         case AH_ESP_V4_FLOW:
 821         case AH_V4_FLOW:
 822         case ESP_V4_FLOW:
 823         case IPV4_FLOW:
 824                 cmd->data |= get_ethtool_ipv4_rss(bp);
 825                 break;
 826
 827         case TCP_V6_FLOW:
 828                 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6)
 829                         cmd->data |= RXH_IP_SRC | RXH_IP_DST |
 830                                      RXH_L4_B_0_1 | RXH_L4_B_2_3;
 831                 cmd->data |= get_ethtool_ipv6_rss(bp);
 832                 break;
 833         case UDP_V6_FLOW:
 834                 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6)
 835                         cmd->data |= RXH_IP_SRC | RXH_IP_DST |
 836                                      RXH_L4_B_0_1 | RXH_L4_B_2_3;
 837                 /* fall through */
 838         case SCTP_V6_FLOW:
 839         case AH_ESP_V6_FLOW:
 840         case AH_V6_FLOW:
 841         case ESP_V6_FLOW:
 842         case IPV6_FLOW:
 843                 cmd->data |= get_ethtool_ipv6_rss(bp);
 844                 break;
 845         }
 846         return 0;
 847 }
 848
 849 #define RXH_4TUPLE (RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 | RXH_L4_B_2_3)
 850 #define RXH_2TUPLE (RXH_IP_SRC | RXH_IP_DST)
 851
 852 static int bnxt_srxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd)
 853 {
 854         u32 rss_hash_cfg = bp->rss_hash_cfg;
 855         int tuple, rc = 0;
 856
 857         if (cmd->data == RXH_4TUPLE)
 858                 tuple = 4;
 859         else if (cmd->data == RXH_2TUPLE)
 860                 tuple = 2;
 861         else if (!cmd->data)
 862                 tuple = 0;
 863         else
 864                 return -EINVAL;
 865
 866         if (cmd->flow_type == TCP_V4_FLOW) {
 867                 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4;
 868                 if (tuple == 4)
 869                         rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4;
 870         } else if (cmd->flow_type == UDP_V4_FLOW) {
 871                 if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP))
 872                         return -EINVAL;
 873                 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4;
 874                 if (tuple == 4)
 875                         rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4;
 876         } else if (cmd->flow_type == TCP_V6_FLOW) {
 877                 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6;
 878                 if (tuple == 4)
 879                         rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6;
 880         } else if (cmd->flow_type == UDP_V6_FLOW) {
 881                 if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP))
 882                         return -EINVAL;
 883                 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6;
 884                 if (tuple == 4)
 885                         rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6;
 886         } else if (tuple == 4) {
 887                 return -EINVAL;
 888         }
 889
 890         switch (cmd->flow_type) {
 891         case TCP_V4_FLOW:
 892         case UDP_V4_FLOW:
 893         case SCTP_V4_FLOW:
 894         case AH_ESP_V4_FLOW:
 895         case AH_V4_FLOW:
 896         case ESP_V4_FLOW:
 897         case IPV4_FLOW:
 898                 if (tuple == 2)
 899                         rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4;
 900                 else if (!tuple)
 901                         rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4;
 902                 break;
 903
 904         case TCP_V6_FLOW:
 905         case UDP_V6_FLOW:
 906         case SCTP_V6_FLOW:
 907         case AH_ESP_V6_FLOW:
 908         case AH_V6_FLOW:
 909         case ESP_V6_FLOW:
 910         case IPV6_FLOW:
 911                 if (tuple == 2)
 912                         rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6;
 913                 else if (!tuple)
 914                         rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6;
 915                 break;
 916         }
 917
 918         if (bp->rss_hash_cfg == rss_hash_cfg)
 919                 return 0;
 920
 921         bp->rss_hash_cfg = rss_hash_cfg;
 922         if (netif_running(bp->dev)) {
 923                 bnxt_close_nic(bp, false, false);
 924                 rc = bnxt_open_nic(bp, false, false);
 925         }
 926         return rc;
 927 }
 928
 929 static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
 930                           u32 *rule_locs)
 931 {
 932         struct bnxt *bp = netdev_priv(dev);
 933         int rc = 0;
 934
 935         switch (cmd->cmd) {
 936 #ifdef CONFIG_RFS_ACCEL
 937         case ETHTOOL_GRXRINGS:
 938                 cmd->data = bp->rx_nr_rings;
 939                 break;
 940
 941         case ETHTOOL_GRXCLSRLCNT:
 942                 cmd->rule_cnt = bp->ntp_fltr_count;
 943                 cmd->data = BNXT_NTP_FLTR_MAX_FLTR;
 944                 break;
 945
 946         case ETHTOOL_GRXCLSRLALL:
 947                 rc = bnxt_grxclsrlall(bp, cmd, (u32 *)rule_locs);
 948                 break;
 949
 950         case ETHTOOL_GRXCLSRULE:
 951                 rc = bnxt_grxclsrule(bp, cmd);
 952                 break;
 953 #endif
 954
 955         case ETHTOOL_GRXFH:
 956                 rc = bnxt_grxfh(bp, cmd);
 957                 break;
 958
 959         default:
 960                 rc = -EOPNOTSUPP;
 961                 break;
 962         }
 963
 964         return rc;
 965 }
 966
 967 static int bnxt_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
 968 {
 969         struct bnxt *bp = netdev_priv(dev);
 970         int rc;
 971
 972         switch (cmd->cmd) {
 973         case ETHTOOL_SRXFH:
 974                 rc = bnxt_srxfh(bp, cmd);
 975                 break;
 976
 977         default:
 978                 rc = -EOPNOTSUPP;
 979                 break;
 980         }
 981         return rc;
 982 }
 983
 984 static u32 bnxt_get_rxfh_indir_size(struct net_device *dev)
 985 {
 986         return HW_HASH_INDEX_SIZE;
 987 }
 988
 989 static u32 bnxt_get_rxfh_key_size(struct net_device *dev)
 990 {
 991         return HW_HASH_KEY_SIZE;
 992 }
 993
 994 static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
 995                          u8 *hfunc)
 996 {
 997         struct bnxt *bp = netdev_priv(dev);
 998         struct bnxt_vnic_info *vnic;
 999         int i = 0;
1000
1001         if (hfunc)
1002                 *hfunc = ETH_RSS_HASH_TOP;
1003
1004         if (!bp->vnic_info)
1005                 return 0;
1006
1007         vnic = &bp->vnic_info[0];
1008         if (indir && vnic->rss_table) {
1009                 for (i = 0; i < HW_HASH_INDEX_SIZE; i++)
1010                         indir[i] = le16_to_cpu(vnic->rss_table[i]);
1011         }
1012
1013         if (key && vnic->rss_hash_key)
1014                 memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE);
1015
1016         return 0;
1017 }
1018
1019 static void bnxt_get_drvinfo(struct net_device *dev,
1020                              struct ethtool_drvinfo *info)
1021 {
1022         struct bnxt *bp = netdev_priv(dev);
1023
1024         strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
1025         strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
1026         strlcpy(info->fw_version, bp->fw_ver_str, sizeof(info->fw_version));
1027         strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
1028         info->n_stats = bnxt_get_num_stats(bp);
1029         info->testinfo_len = bp->num_tests;
1030         /* TODO CHIMP_FW: eeprom dump details */
1031         info->eedump_len = 0;
1032         /* TODO CHIMP FW: reg dump details */
1033         info->regdump_len = 0;
1034 }
1035
1036 static void bnxt_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1037 {
1038         struct bnxt *bp = netdev_priv(dev);
1039
1040         wol->supported = 0;
1041         wol->wolopts = 0;
1042         memset(&wol->sopass, 0, sizeof(wol->sopass));
1043         if (bp->flags & BNXT_FLAG_WOL_CAP) {
1044                 wol->supported = WAKE_MAGIC;
1045                 if (bp->wol)
1046                         wol->wolopts = WAKE_MAGIC;
1047         }
1048 }
1049
1050 static int bnxt_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1051 {
1052         struct bnxt *bp = netdev_priv(dev);
1053
1054         if (wol->wolopts & ~WAKE_MAGIC)
1055                 return -EINVAL;
1056
1057         if (wol->wolopts & WAKE_MAGIC) {
1058                 if (!(bp->flags & BNXT_FLAG_WOL_CAP))
1059                         return -EINVAL;
1060                 if (!bp->wol) {
1061                         if (bnxt_hwrm_alloc_wol_fltr(bp))
1062                                 return -EBUSY;
1063                         bp->wol = 1;
1064                 }
1065         } else {
1066                 if (bp->wol) {
1067                         if (bnxt_hwrm_free_wol_fltr(bp))
1068                                 return -EBUSY;
1069                         bp->wol = 0;
1070                 }
1071         }
1072         return 0;
1073 }
1074
1075 u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause)
1076 {
1077         u32 speed_mask = 0;
1078
1079         /* TODO: support 25GB, 40GB, 50GB with different cable type */
1080         /* set the advertised speeds */
1081         if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB)
1082                 speed_mask |= ADVERTISED_100baseT_Full;
1083         if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB)
1084                 speed_mask |= ADVERTISED_1000baseT_Full;
1085         if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB)
1086                 speed_mask |= ADVERTISED_2500baseX_Full;
1087         if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB)
1088                 speed_mask |= ADVERTISED_10000baseT_Full;
1089         if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB)
1090                 speed_mask |= ADVERTISED_40000baseCR4_Full;
1091
1092         if ((fw_pause & BNXT_LINK_PAUSE_BOTH) == BNXT_LINK_PAUSE_BOTH)
1093                 speed_mask |= ADVERTISED_Pause;
1094         else if (fw_pause & BNXT_LINK_PAUSE_TX)
1095                 speed_mask |= ADVERTISED_Asym_Pause;
1096         else if (fw_pause & BNXT_LINK_PAUSE_RX)
1097                 speed_mask |= ADVERTISED_Pause | ADVERTISED_Asym_Pause;
1098
1099         return speed_mask;
1100 }
1101
1102 #define BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, name)\
1103 {                                                                       \
1104         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100MB)                    \
1105                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1106                                                      100baseT_Full);    \
1107         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_1GB)                      \
1108                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1109                                                      1000baseT_Full);   \
1110         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_10GB)                     \
1111                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1112                                                      10000baseT_Full);  \
1113         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_25GB)                     \
1114                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1115                                                      25000baseCR_Full); \
1116         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_40GB)                     \
1117                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1118                                                      40000baseCR4_Full);\
1119         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_50GB)                     \
1120                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1121                                                      50000baseCR2_Full);\
1122         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100GB)                    \
1123                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1124                                                      100000baseCR4_Full);\
1125         if ((fw_pause) & BNXT_LINK_PAUSE_RX) {                          \
1126                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1127                                                      Pause);            \
1128                 if (!((fw_pause) & BNXT_LINK_PAUSE_TX))                 \
1129                         ethtool_link_ksettings_add_link_mode(           \
1130                                         lk_ksettings, name, Asym_Pause);\
1131         } else if ((fw_pause) & BNXT_LINK_PAUSE_TX) {                   \
1132                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1133                                                      Asym_Pause);       \
1134         }                                                               \
1135 }
1136
1137 #define BNXT_ETHTOOL_TO_FW_SPDS(fw_speeds, lk_ksettings, name)          \
1138 {                                                                       \
1139         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1140                                                   100baseT_Full) ||     \
1141             ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1142                                                   100baseT_Half))       \
1143                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_100MB;               \
1144         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1145                                                   1000baseT_Full) ||    \
1146             ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1147                                                   1000baseT_Half))      \
1148                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_1GB;                 \
1149         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1150                                                   10000baseT_Full))     \
1151                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_10GB;                \
1152         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1153                                                   25000baseCR_Full))    \
1154                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_25GB;                \
1155         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1156                                                   40000baseCR4_Full))   \
1157                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_40GB;                \
1158         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1159                                                   50000baseCR2_Full))   \
1160                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_50GB;                \
1161         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1162                                                   100000baseCR4_Full))  \
1163                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_100GB;               \
1164 }
1165
1166 static void bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info,
1167                                 struct ethtool_link_ksettings *lk_ksettings)
1168 {
1169         u16 fw_speeds = link_info->advertising;
1170         u8 fw_pause = 0;
1171
1172         if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
1173                 fw_pause = link_info->auto_pause_setting;
1174
1175         BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, advertising);
1176 }
1177
1178 static void bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info,
1179                                 struct ethtool_link_ksettings *lk_ksettings)
1180 {
1181         u16 fw_speeds = link_info->lp_auto_link_speeds;
1182         u8 fw_pause = 0;
1183
1184         if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
1185                 fw_pause = link_info->lp_pause;
1186
1187         BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings,
1188                                 lp_advertising);
1189 }
1190
1191 static void bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info,
1192                                 struct ethtool_link_ksettings *lk_ksettings)
1193 {
1194         u16 fw_speeds = link_info->support_speeds;
1195
1196         BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, 0, lk_ksettings, supported);
1197
1198         ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, Pause);
1199         ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1200                                              Asym_Pause);
1201
1202         if (link_info->support_auto_speeds)
1203                 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1204                                                      Autoneg);
1205 }
1206
1207 u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed)
1208 {
1209         switch (fw_link_speed) {
1210         case BNXT_LINK_SPEED_100MB:
1211                 return SPEED_100;
1212         case BNXT_LINK_SPEED_1GB:
1213                 return SPEED_1000;
1214         case BNXT_LINK_SPEED_2_5GB:
1215                 return SPEED_2500;
1216         case BNXT_LINK_SPEED_10GB:
1217                 return SPEED_10000;
1218         case BNXT_LINK_SPEED_20GB:
1219                 return SPEED_20000;
1220         case BNXT_LINK_SPEED_25GB:
1221                 return SPEED_25000;
1222         case BNXT_LINK_SPEED_40GB:
1223                 return SPEED_40000;
1224         case BNXT_LINK_SPEED_50GB:
1225                 return SPEED_50000;
1226         case BNXT_LINK_SPEED_100GB:
1227                 return SPEED_100000;
1228         default:
1229                 return SPEED_UNKNOWN;
1230         }
1231 }
1232
1233 static int bnxt_get_link_ksettings(struct net_device *dev,
1234                                    struct ethtool_link_ksettings *lk_ksettings)
1235 {
1236         struct bnxt *bp = netdev_priv(dev);
1237         struct bnxt_link_info *link_info = &bp->link_info;
1238         struct ethtool_link_settings *base = &lk_ksettings->base;
1239         u32 ethtool_speed;
1240
1241         ethtool_link_ksettings_zero_link_mode(lk_ksettings, supported);
1242         mutex_lock(&bp->link_lock);
1243         bnxt_fw_to_ethtool_support_spds(link_info, lk_ksettings);
1244
1245         ethtool_link_ksettings_zero_link_mode(lk_ksettings, advertising);
1246         if (link_info->autoneg) {
1247                 bnxt_fw_to_ethtool_advertised_spds(link_info, lk_ksettings);
1248                 ethtool_link_ksettings_add_link_mode(lk_ksettings,
1249                                                      advertising, Autoneg);
1250                 base->autoneg = AUTONEG_ENABLE;
1251                 if (link_info->phy_link_status == BNXT_LINK_LINK)
1252                         bnxt_fw_to_ethtool_lp_adv(link_info, lk_ksettings);
1253                 ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed);
1254                 if (!netif_carrier_ok(dev))
1255                         base->duplex = DUPLEX_UNKNOWN;
1256                 else if (link_info->duplex & BNXT_LINK_DUPLEX_FULL)
1257                         base->duplex = DUPLEX_FULL;
1258                 else
1259                         base->duplex = DUPLEX_HALF;
1260         } else {
1261                 base->autoneg = AUTONEG_DISABLE;
1262                 ethtool_speed =
1263                         bnxt_fw_to_ethtool_speed(link_info->req_link_speed);
1264                 base->duplex = DUPLEX_HALF;
1265                 if (link_info->req_duplex == BNXT_LINK_DUPLEX_FULL)
1266                         base->duplex = DUPLEX_FULL;
1267         }
1268         base->speed = ethtool_speed;
1269
1270         base->port = PORT_NONE;
1271         if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
1272                 base->port = PORT_TP;
1273                 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1274                                                      TP);
1275                 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
1276                                                      TP);
1277         } else {
1278                 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1279                                                      FIBRE);
1280                 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
1281                                                      FIBRE);
1282
1283                 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC)
1284                         base->port = PORT_DA;
1285                 else if (link_info->media_type ==
1286                          PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE)
1287                         base->port = PORT_FIBRE;
1288         }
1289         base->phy_address = link_info->phy_addr;
1290         mutex_unlock(&bp->link_lock);
1291
1292         return 0;
1293 }
1294
1295 static u32 bnxt_get_fw_speed(struct net_device *dev, u32 ethtool_speed)
1296 {
1297         struct bnxt *bp = netdev_priv(dev);
1298         struct bnxt_link_info *link_info = &bp->link_info;
1299         u16 support_spds = link_info->support_speeds;
1300         u32 fw_speed = 0;
1301
1302         switch (ethtool_speed) {
1303         case SPEED_100:
1304                 if (support_spds & BNXT_LINK_SPEED_MSK_100MB)
1305                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100MB;
1306                 break;
1307         case SPEED_1000:
1308                 if (support_spds & BNXT_LINK_SPEED_MSK_1GB)
1309                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_1GB;
1310                 break;
1311         case SPEED_2500:
1312                 if (support_spds & BNXT_LINK_SPEED_MSK_2_5GB)
1313                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_2_5GB;
1314                 break;
1315         case SPEED_10000:
1316                 if (support_spds & BNXT_LINK_SPEED_MSK_10GB)
1317                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_10GB;
1318                 break;
1319         case SPEED_20000:
1320                 if (support_spds & BNXT_LINK_SPEED_MSK_20GB)
1321                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_20GB;
1322                 break;
1323         case SPEED_25000:
1324                 if (support_spds & BNXT_LINK_SPEED_MSK_25GB)
1325                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_25GB;
1326                 break;
1327         case SPEED_40000:
1328                 if (support_spds & BNXT_LINK_SPEED_MSK_40GB)
1329                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_40GB;
1330                 break;
1331         case SPEED_50000:
1332                 if (support_spds & BNXT_LINK_SPEED_MSK_50GB)
1333                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB;
1334                 break;
1335         case SPEED_100000:
1336                 if (support_spds & BNXT_LINK_SPEED_MSK_100GB)
1337                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100GB;
1338                 break;
1339         default:
1340                 netdev_err(dev, "unsupported speed!\n");
1341                 break;
1342         }
1343         return fw_speed;
1344 }
1345
1346 u16 bnxt_get_fw_auto_link_speeds(u32 advertising)
1347 {
1348         u16 fw_speed_mask = 0;
1349
1350         /* only support autoneg at speed 100, 1000, and 10000 */
1351         if (advertising & (ADVERTISED_100baseT_Full |
1352                            ADVERTISED_100baseT_Half)) {
1353                 fw_speed_mask |= BNXT_LINK_SPEED_MSK_100MB;
1354         }
1355         if (advertising & (ADVERTISED_1000baseT_Full |
1356                            ADVERTISED_1000baseT_Half)) {
1357                 fw_speed_mask |= BNXT_LINK_SPEED_MSK_1GB;
1358         }
1359         if (advertising & ADVERTISED_10000baseT_Full)
1360                 fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB;
1361
1362         if (advertising & ADVERTISED_40000baseCR4_Full)
1363                 fw_speed_mask |= BNXT_LINK_SPEED_MSK_40GB;
1364
1365         return fw_speed_mask;
1366 }
1367
1368 static int bnxt_set_link_ksettings(struct net_device *dev,
1369                            const struct ethtool_link_ksettings *lk_ksettings)
1370 {
1371         struct bnxt *bp = netdev_priv(dev);
1372         struct bnxt_link_info *link_info = &bp->link_info;
1373         const struct ethtool_link_settings *base = &lk_ksettings->base;
1374         bool set_pause = false;
1375         u16 fw_advertising = 0;
1376         u32 speed;
1377         int rc = 0;
1378
1379         if (!BNXT_SINGLE_PF(bp))
1380                 return -EOPNOTSUPP;
1381
1382         mutex_lock(&bp->link_lock);
1383         if (base->autoneg == AUTONEG_ENABLE) {
1384                 BNXT_ETHTOOL_TO_FW_SPDS(fw_advertising, lk_ksettings,
1385                                         advertising);
1386                 link_info->autoneg |= BNXT_AUTONEG_SPEED;
1387                 if (!fw_advertising)
1388                         link_info->advertising = link_info->support_auto_speeds;
1389                 else
1390                         link_info->advertising = fw_advertising;
1391                 /* any change to autoneg will cause link change, therefore the
1392                  * driver should put back the original pause setting in autoneg
1393                  */
1394                 set_pause = true;
1395         } else {
1396                 u16 fw_speed;
1397                 u8 phy_type = link_info->phy_type;
1398
1399                 if (phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASET  ||
1400                     phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASETE ||
1401                     link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
1402                         netdev_err(dev, "10GBase-T devices must autoneg\n");
1403                         rc = -EINVAL;
1404                         goto set_setting_exit;
1405                 }
1406                 if (base->duplex == DUPLEX_HALF) {
1407                         netdev_err(dev, "HALF DUPLEX is not supported!\n");
1408                         rc = -EINVAL;
1409                         goto set_setting_exit;
1410                 }
1411                 speed = base->speed;
1412                 fw_speed = bnxt_get_fw_speed(dev, speed);
1413                 if (!fw_speed) {
1414                         rc = -EINVAL;
1415                         goto set_setting_exit;
1416                 }
1417                 link_info->req_link_speed = fw_speed;
1418                 link_info->req_duplex = BNXT_LINK_DUPLEX_FULL;
1419                 link_info->autoneg = 0;
1420                 link_info->advertising = 0;
1421         }
1422
1423         if (netif_running(dev))
1424                 rc = bnxt_hwrm_set_link_setting(bp, set_pause, false);
1425
1426 set_setting_exit:
1427         mutex_unlock(&bp->link_lock);
1428         return rc;
1429 }
1430
1431 static void bnxt_get_pauseparam(struct net_device *dev,
1432                                 struct ethtool_pauseparam *epause)
1433 {
1434         struct bnxt *bp = netdev_priv(dev);
1435         struct bnxt_link_info *link_info = &bp->link_info;
1436
1437         if (BNXT_VF(bp))
1438                 return;
1439         epause->autoneg = !!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL);
1440         epause->rx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_RX);
1441         epause->tx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_TX);
1442 }
1443
1444 static int bnxt_set_pauseparam(struct net_device *dev,
1445                                struct ethtool_pauseparam *epause)
1446 {
1447         int rc = 0;
1448         struct bnxt *bp = netdev_priv(dev);
1449         struct bnxt_link_info *link_info = &bp->link_info;
1450
1451         if (!BNXT_SINGLE_PF(bp))
1452                 return -EOPNOTSUPP;
1453
1454         if (epause->autoneg) {
1455                 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
1456                         return -EINVAL;
1457
1458                 link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL;
1459                 if (bp->hwrm_spec_code >= 0x10201)
1460                         link_info->req_flow_ctrl =
1461                                 PORT_PHY_CFG_REQ_AUTO_PAUSE_AUTONEG_PAUSE;
1462         } else {
1463                 /* when transition from auto pause to force pause,
1464                  * force a link change
1465                  */
1466                 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
1467                         link_info->force_link_chng = true;
1468                 link_info->autoneg &= ~BNXT_AUTONEG_FLOW_CTRL;
1469                 link_info->req_flow_ctrl = 0;
1470         }
1471         if (epause->rx_pause)
1472                 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX;
1473
1474         if (epause->tx_pause)
1475                 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX;
1476
1477         if (netif_running(dev))
1478                 rc = bnxt_hwrm_set_pause(bp);
1479         return rc;
1480 }
1481
1482 static u32 bnxt_get_link(struct net_device *dev)
1483 {
1484         struct bnxt *bp = netdev_priv(dev);
1485
1486         /* TODO: handle MF, VF, driver close case */
1487         return bp->link_info.link_up;
1488 }
1489
1490 static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
1491                                 u16 ext, u16 *index, u32 *item_length,
1492                                 u32 *data_length);
1493
1494 static int bnxt_flash_nvram(struct net_device *dev,
1495                             u16 dir_type,
1496                             u16 dir_ordinal,
1497                             u16 dir_ext,
1498                             u16 dir_attr,
1499                             const u8 *data,
1500                             size_t data_len)
1501 {
1502         struct bnxt *bp = netdev_priv(dev);
1503         int rc;
1504         struct hwrm_nvm_write_input req = {0};
1505         dma_addr_t dma_handle;
1506         u8 *kmem;
1507
1508         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_WRITE, -1, -1);
1509
1510         req.dir_type = cpu_to_le16(dir_type);
1511         req.dir_ordinal = cpu_to_le16(dir_ordinal);
1512         req.dir_ext = cpu_to_le16(dir_ext);
1513         req.dir_attr = cpu_to_le16(dir_attr);
1514         req.dir_data_length = cpu_to_le32(data_len);
1515
1516         kmem = dma_alloc_coherent(&bp->pdev->dev, data_len, &dma_handle,
1517                                   GFP_KERNEL);
1518         if (!kmem) {
1519                 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1520                            (unsigned)data_len);
1521                 return -ENOMEM;
1522         }
1523         memcpy(kmem, data, data_len);
1524         req.host_src_addr = cpu_to_le64(dma_handle);
1525
1526         rc = hwrm_send_message(bp, &req, sizeof(req), FLASH_NVRAM_TIMEOUT);
1527         dma_free_coherent(&bp->pdev->dev, data_len, kmem, dma_handle);
1528
1529         return rc;
1530 }
1531
1532 static int bnxt_firmware_reset(struct net_device *dev,
1533                                u16 dir_type)
1534 {
1535         struct bnxt *bp = netdev_priv(dev);
1536         struct hwrm_fw_reset_input req = {0};
1537
1538         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1);
1539
1540         /* TODO: Address self-reset of APE/KONG/BONO/TANG or ungraceful reset */
1541         /*       (e.g. when firmware isn't already running) */
1542         switch (dir_type) {
1543         case BNX_DIR_TYPE_CHIMP_PATCH:
1544         case BNX_DIR_TYPE_BOOTCODE:
1545         case BNX_DIR_TYPE_BOOTCODE_2:
1546                 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT;
1547                 /* Self-reset ChiMP upon next PCIe reset: */
1548                 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
1549                 break;
1550         case BNX_DIR_TYPE_APE_FW:
1551         case BNX_DIR_TYPE_APE_PATCH:
1552                 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT;
1553                 /* Self-reset APE upon next PCIe reset: */
1554                 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
1555                 break;
1556         case BNX_DIR_TYPE_KONG_FW:
1557         case BNX_DIR_TYPE_KONG_PATCH:
1558                 req.embedded_proc_type =
1559                         FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL;
1560                 break;
1561         case BNX_DIR_TYPE_BONO_FW:
1562         case BNX_DIR_TYPE_BONO_PATCH:
1563                 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE;
1564                 break;
1565         case BNXT_FW_RESET_CHIP:
1566                 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_CHIP;
1567                 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTASAP;
1568                 break;
1569         case BNXT_FW_RESET_AP:
1570                 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_AP;
1571                 break;
1572         default:
1573                 return -EINVAL;
1574         }
1575
1576         return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1577 }
1578
1579 static int bnxt_flash_firmware(struct net_device *dev,
1580                                u16 dir_type,
1581                                const u8 *fw_data,
1582                                size_t fw_size)
1583 {
1584         int     rc = 0;
1585         u16     code_type;
1586         u32     stored_crc;
1587         u32     calculated_crc;
1588         struct bnxt_fw_header *header = (struct bnxt_fw_header *)fw_data;
1589
1590         switch (dir_type) {
1591         case BNX_DIR_TYPE_BOOTCODE:
1592         case BNX_DIR_TYPE_BOOTCODE_2:
1593                 code_type = CODE_BOOT;
1594                 break;
1595         case BNX_DIR_TYPE_CHIMP_PATCH:
1596                 code_type = CODE_CHIMP_PATCH;
1597                 break;
1598         case BNX_DIR_TYPE_APE_FW:
1599                 code_type = CODE_MCTP_PASSTHRU;
1600                 break;
1601         case BNX_DIR_TYPE_APE_PATCH:
1602                 code_type = CODE_APE_PATCH;
1603                 break;
1604         case BNX_DIR_TYPE_KONG_FW:
1605                 code_type = CODE_KONG_FW;
1606                 break;
1607         case BNX_DIR_TYPE_KONG_PATCH:
1608                 code_type = CODE_KONG_PATCH;
1609                 break;
1610         case BNX_DIR_TYPE_BONO_FW:
1611                 code_type = CODE_BONO_FW;
1612                 break;
1613         case BNX_DIR_TYPE_BONO_PATCH:
1614                 code_type = CODE_BONO_PATCH;
1615                 break;
1616         default:
1617                 netdev_err(dev, "Unsupported directory entry type: %u\n",
1618                            dir_type);
1619                 return -EINVAL;
1620         }
1621         if (fw_size < sizeof(struct bnxt_fw_header)) {
1622                 netdev_err(dev, "Invalid firmware file size: %u\n",
1623                            (unsigned int)fw_size);
1624                 return -EINVAL;
1625         }
1626         if (header->signature != cpu_to_le32(BNXT_FIRMWARE_BIN_SIGNATURE)) {
1627                 netdev_err(dev, "Invalid firmware signature: %08X\n",
1628                            le32_to_cpu(header->signature));
1629                 return -EINVAL;
1630         }
1631         if (header->code_type != code_type) {
1632                 netdev_err(dev, "Expected firmware type: %d, read: %d\n",
1633                            code_type, header->code_type);
1634                 return -EINVAL;
1635         }
1636         if (header->device != DEVICE_CUMULUS_FAMILY) {
1637                 netdev_err(dev, "Expected firmware device family %d, read: %d\n",
1638                            DEVICE_CUMULUS_FAMILY, header->device);
1639                 return -EINVAL;
1640         }
1641         /* Confirm the CRC32 checksum of the file: */
1642         stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
1643                                              sizeof(stored_crc)));
1644         calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
1645         if (calculated_crc != stored_crc) {
1646                 netdev_err(dev, "Firmware file CRC32 checksum (%08lX) does not match calculated checksum (%08lX)\n",
1647                            (unsigned long)stored_crc,
1648                            (unsigned long)calculated_crc);
1649                 return -EINVAL;
1650         }
1651         rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1652                               0, 0, fw_data, fw_size);
1653         if (rc == 0)    /* Firmware update successful */
1654                 rc = bnxt_firmware_reset(dev, dir_type);
1655
1656         return rc;
1657 }
1658
1659 static int bnxt_flash_microcode(struct net_device *dev,
1660                                 u16 dir_type,
1661                                 const u8 *fw_data,
1662                                 size_t fw_size)
1663 {
1664         struct bnxt_ucode_trailer *trailer;
1665         u32 calculated_crc;
1666         u32 stored_crc;
1667         int rc = 0;
1668
1669         if (fw_size < sizeof(struct bnxt_ucode_trailer)) {
1670                 netdev_err(dev, "Invalid microcode file size: %u\n",
1671                            (unsigned int)fw_size);
1672                 return -EINVAL;
1673         }
1674         trailer = (struct bnxt_ucode_trailer *)(fw_data + (fw_size -
1675                                                 sizeof(*trailer)));
1676         if (trailer->sig != cpu_to_le32(BNXT_UCODE_TRAILER_SIGNATURE)) {
1677                 netdev_err(dev, "Invalid microcode trailer signature: %08X\n",
1678                            le32_to_cpu(trailer->sig));
1679                 return -EINVAL;
1680         }
1681         if (le16_to_cpu(trailer->dir_type) != dir_type) {
1682                 netdev_err(dev, "Expected microcode type: %d, read: %d\n",
1683                            dir_type, le16_to_cpu(trailer->dir_type));
1684                 return -EINVAL;
1685         }
1686         if (le16_to_cpu(trailer->trailer_length) <
1687                 sizeof(struct bnxt_ucode_trailer)) {
1688                 netdev_err(dev, "Invalid microcode trailer length: %d\n",
1689                            le16_to_cpu(trailer->trailer_length));
1690                 return -EINVAL;
1691         }
1692
1693         /* Confirm the CRC32 checksum of the file: */
1694         stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
1695                                              sizeof(stored_crc)));
1696         calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
1697         if (calculated_crc != stored_crc) {
1698                 netdev_err(dev,
1699                            "CRC32 (%08lX) does not match calculated: %08lX\n",
1700                            (unsigned long)stored_crc,
1701                            (unsigned long)calculated_crc);
1702                 return -EINVAL;
1703         }
1704         rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1705                               0, 0, fw_data, fw_size);
1706
1707         return rc;
1708 }
1709
1710 static bool bnxt_dir_type_is_ape_bin_format(u16 dir_type)
1711 {
1712         switch (dir_type) {
1713         case BNX_DIR_TYPE_CHIMP_PATCH:
1714         case BNX_DIR_TYPE_BOOTCODE:
1715         case BNX_DIR_TYPE_BOOTCODE_2:
1716         case BNX_DIR_TYPE_APE_FW:
1717         case BNX_DIR_TYPE_APE_PATCH:
1718         case BNX_DIR_TYPE_KONG_FW:
1719         case BNX_DIR_TYPE_KONG_PATCH:
1720         case BNX_DIR_TYPE_BONO_FW:
1721         case BNX_DIR_TYPE_BONO_PATCH:
1722                 return true;
1723         }
1724
1725         return false;
1726 }
1727
1728 static bool bnxt_dir_type_is_other_exec_format(u16 dir_type)
1729 {
1730         switch (dir_type) {
1731         case BNX_DIR_TYPE_AVS:
1732         case BNX_DIR_TYPE_EXP_ROM_MBA:
1733         case BNX_DIR_TYPE_PCIE:
1734         case BNX_DIR_TYPE_TSCF_UCODE:
1735         case BNX_DIR_TYPE_EXT_PHY:
1736         case BNX_DIR_TYPE_CCM:
1737         case BNX_DIR_TYPE_ISCSI_BOOT:
1738         case BNX_DIR_TYPE_ISCSI_BOOT_IPV6:
1739         case BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6:
1740                 return true;
1741         }
1742
1743         return false;
1744 }
1745
1746 static bool bnxt_dir_type_is_executable(u16 dir_type)
1747 {
1748         return bnxt_dir_type_is_ape_bin_format(dir_type) ||
1749                 bnxt_dir_type_is_other_exec_format(dir_type);
1750 }
1751
1752 static int bnxt_flash_firmware_from_file(struct net_device *dev,
1753                                          u16 dir_type,
1754                                          const char *filename)
1755 {
1756         const struct firmware  *fw;
1757         int                     rc;
1758
1759         rc = request_firmware(&fw, filename, &dev->dev);
1760         if (rc != 0) {
1761                 netdev_err(dev, "Error %d requesting firmware file: %s\n",
1762                            rc, filename);
1763                 return rc;
1764         }
1765         if (bnxt_dir_type_is_ape_bin_format(dir_type) == true)
1766                 rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size);
1767         else if (bnxt_dir_type_is_other_exec_format(dir_type) == true)
1768                 rc = bnxt_flash_microcode(dev, dir_type, fw->data, fw->size);
1769         else
1770                 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1771                                       0, 0, fw->data, fw->size);
1772         release_firmware(fw);
1773         return rc;
1774 }
1775
1776 static int bnxt_flash_package_from_file(struct net_device *dev,
1777                                         char *filename, u32 install_type)
1778 {
1779         struct bnxt *bp = netdev_priv(dev);
1780         struct hwrm_nvm_install_update_output *resp = bp->hwrm_cmd_resp_addr;
1781         struct hwrm_nvm_install_update_input install = {0};
1782         const struct firmware *fw;
1783         u32 item_len;
1784         u16 index;
1785         int rc;
1786
1787         bnxt_hwrm_fw_set_time(bp);
1788
1789         if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_UPDATE,
1790                                  BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
1791                                  &index, &item_len, NULL) != 0) {
1792                 netdev_err(dev, "PKG update area not created in nvram\n");
1793                 return -ENOBUFS;
1794         }
1795
1796         rc = request_firmware(&fw, filename, &dev->dev);
1797         if (rc != 0) {
1798                 netdev_err(dev, "PKG error %d requesting file: %s\n",
1799                            rc, filename);
1800                 return rc;
1801         }
1802
1803         if (fw->size > item_len) {
1804                 netdev_err(dev, "PKG insufficient update area in nvram: %lu",
1805                            (unsigned long)fw->size);
1806                 rc = -EFBIG;
1807         } else {
1808                 dma_addr_t dma_handle;
1809                 u8 *kmem;
1810                 struct hwrm_nvm_modify_input modify = {0};
1811
1812                 bnxt_hwrm_cmd_hdr_init(bp, &modify, HWRM_NVM_MODIFY, -1, -1);
1813
1814                 modify.dir_idx = cpu_to_le16(index);
1815                 modify.len = cpu_to_le32(fw->size);
1816
1817                 kmem = dma_alloc_coherent(&bp->pdev->dev, fw->size,
1818                                           &dma_handle, GFP_KERNEL);
1819                 if (!kmem) {
1820                         netdev_err(dev,
1821                                    "dma_alloc_coherent failure, length = %u\n",
1822                                    (unsigned int)fw->size);
1823                         rc = -ENOMEM;
1824                 } else {
1825                         memcpy(kmem, fw->data, fw->size);
1826                         modify.host_src_addr = cpu_to_le64(dma_handle);
1827
1828                         rc = hwrm_send_message(bp, &modify, sizeof(modify),
1829                                                FLASH_PACKAGE_TIMEOUT);
1830                         dma_free_coherent(&bp->pdev->dev, fw->size, kmem,
1831                                           dma_handle);
1832                 }
1833         }
1834         release_firmware(fw);
1835         if (rc)
1836                 return rc;
1837
1838         if ((install_type & 0xffff) == 0)
1839                 install_type >>= 16;
1840         bnxt_hwrm_cmd_hdr_init(bp, &install, HWRM_NVM_INSTALL_UPDATE, -1, -1);
1841         install.install_type = cpu_to_le32(install_type);
1842
1843         mutex_lock(&bp->hwrm_cmd_lock);
1844         rc = _hwrm_send_message(bp, &install, sizeof(install),
1845                                 INSTALL_PACKAGE_TIMEOUT);
1846         if (rc) {
1847                 rc = -EOPNOTSUPP;
1848                 goto flash_pkg_exit;
1849         }
1850
1851         if (resp->error_code) {
1852                 u8 error_code = ((struct hwrm_err_output *)resp)->cmd_err;
1853
1854                 if (error_code == NVM_INSTALL_UPDATE_CMD_ERR_CODE_FRAG_ERR) {
1855                         install.flags |= cpu_to_le16(
1856                                NVM_INSTALL_UPDATE_REQ_FLAGS_ALLOWED_TO_DEFRAG);
1857                         rc = _hwrm_send_message(bp, &install, sizeof(install),
1858                                                 INSTALL_PACKAGE_TIMEOUT);
1859                         if (rc) {
1860                                 rc = -EOPNOTSUPP;
1861                                 goto flash_pkg_exit;
1862                         }
1863                 }
1864         }
1865
1866         if (resp->result) {
1867                 netdev_err(dev, "PKG install error = %d, problem_item = %d\n",
1868                            (s8)resp->result, (int)resp->problem_item);
1869                 rc = -ENOPKG;
1870         }
1871 flash_pkg_exit:
1872         mutex_unlock(&bp->hwrm_cmd_lock);
1873         return rc;
1874 }
1875
1876 static int bnxt_flash_device(struct net_device *dev,
1877                              struct ethtool_flash *flash)
1878 {
1879         if (!BNXT_PF((struct bnxt *)netdev_priv(dev))) {
1880                 netdev_err(dev, "flashdev not supported from a virtual function\n");
1881                 return -EINVAL;
1882         }
1883
1884         if (flash->region == ETHTOOL_FLASH_ALL_REGIONS ||
1885             flash->region > 0xffff)
1886                 return bnxt_flash_package_from_file(dev, flash->data,
1887                                                     flash->region);
1888
1889         return bnxt_flash_firmware_from_file(dev, flash->region, flash->data);
1890 }
1891
1892 static int nvm_get_dir_info(struct net_device *dev, u32 *entries, u32 *length)
1893 {
1894         struct bnxt *bp = netdev_priv(dev);
1895         int rc;
1896         struct hwrm_nvm_get_dir_info_input req = {0};
1897         struct hwrm_nvm_get_dir_info_output *output = bp->hwrm_cmd_resp_addr;
1898
1899         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_INFO, -1, -1);
1900
1901         mutex_lock(&bp->hwrm_cmd_lock);
1902         rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1903         if (!rc) {
1904                 *entries = le32_to_cpu(output->entries);
1905                 *length = le32_to_cpu(output->entry_length);
1906         }
1907         mutex_unlock(&bp->hwrm_cmd_lock);
1908         return rc;
1909 }
1910
1911 static int bnxt_get_eeprom_len(struct net_device *dev)
1912 {
1913         struct bnxt *bp = netdev_priv(dev);
1914
1915         if (BNXT_VF(bp))
1916                 return 0;
1917
1918         /* The -1 return value allows the entire 32-bit range of offsets to be
1919          * passed via the ethtool command-line utility.
1920          */
1921         return -1;
1922 }
1923
1924 static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data)
1925 {
1926         struct bnxt *bp = netdev_priv(dev);
1927         int rc;
1928         u32 dir_entries;
1929         u32 entry_length;
1930         u8 *buf;
1931         size_t buflen;
1932         dma_addr_t dma_handle;
1933         struct hwrm_nvm_get_dir_entries_input req = {0};
1934
1935         rc = nvm_get_dir_info(dev, &dir_entries, &entry_length);
1936         if (rc != 0)
1937                 return rc;
1938
1939         /* Insert 2 bytes of directory info (count and size of entries) */
1940         if (len < 2)
1941                 return -EINVAL;
1942
1943         *data++ = dir_entries;
1944         *data++ = entry_length;
1945         len -= 2;
1946         memset(data, 0xff, len);
1947
1948         buflen = dir_entries * entry_length;
1949         buf = dma_alloc_coherent(&bp->pdev->dev, buflen, &dma_handle,
1950                                  GFP_KERNEL);
1951         if (!buf) {
1952                 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1953                            (unsigned)buflen);
1954                 return -ENOMEM;
1955         }
1956         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_ENTRIES, -1, -1);
1957         req.host_dest_addr = cpu_to_le64(dma_handle);
1958         rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1959         if (rc == 0)
1960                 memcpy(data, buf, len > buflen ? buflen : len);
1961         dma_free_coherent(&bp->pdev->dev, buflen, buf, dma_handle);
1962         return rc;
1963 }
1964
1965 static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset,
1966                                u32 length, u8 *data)
1967 {
1968         struct bnxt *bp = netdev_priv(dev);
1969         int rc;
1970         u8 *buf;
1971         dma_addr_t dma_handle;
1972         struct hwrm_nvm_read_input req = {0};
1973
1974         if (!length)
1975                 return -EINVAL;
1976
1977         buf = dma_alloc_coherent(&bp->pdev->dev, length, &dma_handle,
1978                                  GFP_KERNEL);
1979         if (!buf) {
1980                 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1981                            (unsigned)length);
1982                 return -ENOMEM;
1983         }
1984         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_READ, -1, -1);
1985         req.host_dest_addr = cpu_to_le64(dma_handle);
1986         req.dir_idx = cpu_to_le16(index);
1987         req.offset = cpu_to_le32(offset);
1988         req.len = cpu_to_le32(length);
1989
1990         rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1991         if (rc == 0)
1992                 memcpy(data, buf, length);
1993         dma_free_coherent(&bp->pdev->dev, length, buf, dma_handle);
1994         return rc;
1995 }
1996
1997 static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
1998                                 u16 ext, u16 *index, u32 *item_length,
1999                                 u32 *data_length)
2000 {
2001         struct bnxt *bp = netdev_priv(dev);
2002         int rc;
2003         struct hwrm_nvm_find_dir_entry_input req = {0};
2004         struct hwrm_nvm_find_dir_entry_output *output = bp->hwrm_cmd_resp_addr;
2005
2006         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_FIND_DIR_ENTRY, -1, -1);
2007         req.enables = 0;
2008         req.dir_idx = 0;
2009         req.dir_type = cpu_to_le16(type);
2010         req.dir_ordinal = cpu_to_le16(ordinal);
2011         req.dir_ext = cpu_to_le16(ext);
2012         req.opt_ordinal = NVM_FIND_DIR_ENTRY_REQ_OPT_ORDINAL_EQ;
2013         mutex_lock(&bp->hwrm_cmd_lock);
2014         rc = _hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2015         if (rc == 0) {
2016                 if (index)
2017                         *index = le16_to_cpu(output->dir_idx);
2018                 if (item_length)
2019                         *item_length = le32_to_cpu(output->dir_item_length);
2020                 if (data_length)
2021                         *data_length = le32_to_cpu(output->dir_data_length);
2022         }
2023         mutex_unlock(&bp->hwrm_cmd_lock);
2024         return rc;
2025 }
2026
2027 static char *bnxt_parse_pkglog(int desired_field, u8 *data, size_t datalen)
2028 {
2029         char    *retval = NULL;
2030         char    *p;
2031         char    *value;
2032         int     field = 0;
2033
2034         if (datalen < 1)
2035                 return NULL;
2036         /* null-terminate the log data (removing last '\n'): */
2037         data[datalen - 1] = 0;
2038         for (p = data; *p != 0; p++) {
2039                 field = 0;
2040                 retval = NULL;
2041                 while (*p != 0 && *p != '\n') {
2042                         value = p;
2043                         while (*p != 0 && *p != '\t' && *p != '\n')
2044                                 p++;
2045                         if (field == desired_field)
2046                                 retval = value;
2047                         if (*p != '\t')
2048                                 break;
2049                         *p = 0;
2050                         field++;
2051                         p++;
2052                 }
2053                 if (*p == 0)
2054                         break;
2055                 *p = 0;
2056         }
2057         return retval;
2058 }
2059
2060 static void bnxt_get_pkgver(struct net_device *dev)
2061 {
2062         struct bnxt *bp = netdev_priv(dev);
2063         u16 index = 0;
2064         char *pkgver;
2065         u32 pkglen;
2066         u8 *pkgbuf;
2067         int len;
2068
2069         if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG,
2070                                  BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
2071                                  &index, NULL, &pkglen) != 0)
2072                 return;
2073
2074         pkgbuf = kzalloc(pkglen, GFP_KERNEL);
2075         if (!pkgbuf) {
2076                 dev_err(&bp->pdev->dev, "Unable to allocate memory for pkg version, length = %u\n",
2077                         pkglen);
2078                 return;
2079         }
2080
2081         if (bnxt_get_nvram_item(dev, index, 0, pkglen, pkgbuf))
2082                 goto err;
2083
2084         pkgver = bnxt_parse_pkglog(BNX_PKG_LOG_FIELD_IDX_PKG_VERSION, pkgbuf,
2085                                    pkglen);
2086         if (pkgver && *pkgver != 0 && isdigit(*pkgver)) {
2087                 len = strlen(bp->fw_ver_str);
2088                 snprintf(bp->fw_ver_str + len, FW_VER_STR_LEN - len - 1,
2089                          "/pkg %s", pkgver);
2090         }
2091 err:
2092         kfree(pkgbuf);
2093 }
2094
2095 static int bnxt_get_eeprom(struct net_device *dev,
2096                            struct ethtool_eeprom *eeprom,
2097                            u8 *data)
2098 {
2099         u32 index;
2100         u32 offset;
2101
2102         if (eeprom->offset == 0) /* special offset value to get directory */
2103                 return bnxt_get_nvram_directory(dev, eeprom->len, data);
2104
2105         index = eeprom->offset >> 24;
2106         offset = eeprom->offset & 0xffffff;
2107
2108         if (index == 0) {
2109                 netdev_err(dev, "unsupported index value: %d\n", index);
2110                 return -EINVAL;
2111         }
2112
2113         return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data);
2114 }
2115
2116 static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index)
2117 {
2118         struct bnxt *bp = netdev_priv(dev);
2119         struct hwrm_nvm_erase_dir_entry_input req = {0};
2120
2121         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_ERASE_DIR_ENTRY, -1, -1);
2122         req.dir_idx = cpu_to_le16(index);
2123         return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2124 }
2125
2126 static int bnxt_set_eeprom(struct net_device *dev,
2127                            struct ethtool_eeprom *eeprom,
2128                            u8 *data)
2129 {
2130         struct bnxt *bp = netdev_priv(dev);
2131         u8 index, dir_op;
2132         u16 type, ext, ordinal, attr;
2133
2134         if (!BNXT_PF(bp)) {
2135                 netdev_err(dev, "NVM write not supported from a virtual function\n");
2136                 return -EINVAL;
2137         }
2138
2139         type = eeprom->magic >> 16;
2140
2141         if (type == 0xffff) { /* special value for directory operations */
2142                 index = eeprom->magic & 0xff;
2143                 dir_op = eeprom->magic >> 8;
2144                 if (index == 0)
2145                         return -EINVAL;
2146                 switch (dir_op) {
2147                 case 0x0e: /* erase */
2148                         if (eeprom->offset != ~eeprom->magic)
2149                                 return -EINVAL;
2150                         return bnxt_erase_nvram_directory(dev, index - 1);
2151                 default:
2152                         return -EINVAL;
2153                 }
2154         }
2155
2156         /* Create or re-write an NVM item: */
2157         if (bnxt_dir_type_is_executable(type) == true)
2158                 return -EOPNOTSUPP;
2159         ext = eeprom->magic & 0xffff;
2160         ordinal = eeprom->offset >> 16;
2161         attr = eeprom->offset & 0xffff;
2162
2163         return bnxt_flash_nvram(dev, type, ordinal, ext, attr, data,
2164                                 eeprom->len);
2165 }
2166
2167 static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata)
2168 {
2169         struct bnxt *bp = netdev_priv(dev);
2170         struct ethtool_eee *eee = &bp->eee;
2171         struct bnxt_link_info *link_info = &bp->link_info;
2172         u32 advertising =
2173                  _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0);
2174         int rc = 0;
2175
2176         if (!BNXT_SINGLE_PF(bp))
2177                 return -EOPNOTSUPP;
2178
2179         if (!(bp->flags & BNXT_FLAG_EEE_CAP))
2180                 return -EOPNOTSUPP;
2181
2182         if (!edata->eee_enabled)
2183                 goto eee_ok;
2184
2185         if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) {
2186                 netdev_warn(dev, "EEE requires autoneg\n");
2187                 return -EINVAL;
2188         }
2189         if (edata->tx_lpi_enabled) {
2190                 if (bp->lpi_tmr_hi && (edata->tx_lpi_timer > bp->lpi_tmr_hi ||
2191                                        edata->tx_lpi_timer < bp->lpi_tmr_lo)) {
2192                         netdev_warn(dev, "Valid LPI timer range is %d and %d microsecs\n",
2193                                     bp->lpi_tmr_lo, bp->lpi_tmr_hi);
2194                         return -EINVAL;
2195                 } else if (!bp->lpi_tmr_hi) {
2196                         edata->tx_lpi_timer = eee->tx_lpi_timer;
2197                 }
2198         }
2199         if (!edata->advertised) {
2200                 edata->advertised = advertising & eee->supported;
2201         } else if (edata->advertised & ~advertising) {
2202                 netdev_warn(dev, "EEE advertised %x must be a subset of autoneg advertised speeds %x\n",
2203                             edata->advertised, advertising);
2204                 return -EINVAL;
2205         }
2206
2207         eee->advertised = edata->advertised;
2208         eee->tx_lpi_enabled = edata->tx_lpi_enabled;
2209         eee->tx_lpi_timer = edata->tx_lpi_timer;
2210 eee_ok:
2211         eee->eee_enabled = edata->eee_enabled;
2212
2213         if (netif_running(dev))
2214                 rc = bnxt_hwrm_set_link_setting(bp, false, true);
2215
2216         return rc;
2217 }
2218
2219 static int bnxt_get_eee(struct net_device *dev, struct ethtool_eee *edata)
2220 {
2221         struct bnxt *bp = netdev_priv(dev);
2222
2223         if (!(bp->flags & BNXT_FLAG_EEE_CAP))
2224                 return -EOPNOTSUPP;
2225
2226         *edata = bp->eee;
2227         if (!bp->eee.eee_enabled) {
2228                 /* Preserve tx_lpi_timer so that the last value will be used
2229                  * by default when it is re-enabled.
2230                  */
2231                 edata->advertised = 0;
2232                 edata->tx_lpi_enabled = 0;
2233         }
2234
2235         if (!bp->eee.eee_active)
2236                 edata->lp_advertised = 0;
2237
2238         return 0;
2239 }
2240
2241 static int bnxt_read_sfp_module_eeprom_info(struct bnxt *bp, u16 i2c_addr,
2242                                             u16 page_number, u16 start_addr,
2243                                             u16 data_length, u8 *buf)
2244 {
2245         struct hwrm_port_phy_i2c_read_input req = {0};
2246         struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr;
2247         int rc, byte_offset = 0;
2248
2249         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1);
2250         req.i2c_slave_addr = i2c_addr;
2251         req.page_number = cpu_to_le16(page_number);
2252         req.port_id = cpu_to_le16(bp->pf.port_id);
2253         do {
2254                 u16 xfer_size;
2255
2256                 xfer_size = min_t(u16, data_length, BNXT_MAX_PHY_I2C_RESP_SIZE);
2257                 data_length -= xfer_size;
2258                 req.page_offset = cpu_to_le16(start_addr + byte_offset);
2259                 req.data_length = xfer_size;
2260                 req.enables = cpu_to_le32(start_addr + byte_offset ?
2261                                  PORT_PHY_I2C_READ_REQ_ENABLES_PAGE_OFFSET : 0);
2262                 mutex_lock(&bp->hwrm_cmd_lock);
2263                 rc = _hwrm_send_message(bp, &req, sizeof(req),
2264                                         HWRM_CMD_TIMEOUT);
2265                 if (!rc)
2266                         memcpy(buf + byte_offset, output->data, xfer_size);
2267                 mutex_unlock(&bp->hwrm_cmd_lock);
2268                 byte_offset += xfer_size;
2269         } while (!rc && data_length > 0);
2270
2271         return rc;
2272 }
2273
2274 static int bnxt_get_module_info(struct net_device *dev,
2275                                 struct ethtool_modinfo *modinfo)
2276 {
2277         u8 data[SFF_DIAG_SUPPORT_OFFSET + 1];
2278         struct bnxt *bp = netdev_priv(dev);
2279         int rc;
2280
2281         /* No point in going further if phy status indicates
2282          * module is not inserted or if it is powered down or
2283          * if it is of type 10GBase-T
2284          */
2285         if (bp->link_info.module_status >
2286                 PORT_PHY_QCFG_RESP_MODULE_STATUS_WARNINGMSG)
2287                 return -EOPNOTSUPP;
2288
2289         /* This feature is not supported in older firmware versions */
2290         if (bp->hwrm_spec_code < 0x10202)
2291                 return -EOPNOTSUPP;
2292
2293         rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0, 0,
2294                                               SFF_DIAG_SUPPORT_OFFSET + 1,
2295                                               data);
2296         if (!rc) {
2297                 u8 module_id = data[0];
2298                 u8 diag_supported = data[SFF_DIAG_SUPPORT_OFFSET];
2299
2300                 switch (module_id) {
2301                 case SFF_MODULE_ID_SFP:
2302                         modinfo->type = ETH_MODULE_SFF_8472;
2303                         modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
2304                         if (!diag_supported)
2305                                 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
2306                         break;
2307                 case SFF_MODULE_ID_QSFP:
2308                 case SFF_MODULE_ID_QSFP_PLUS:
2309                         modinfo->type = ETH_MODULE_SFF_8436;
2310                         modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
2311                         break;
2312                 case SFF_MODULE_ID_QSFP28:
2313                         modinfo->type = ETH_MODULE_SFF_8636;
2314                         modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
2315                         break;
2316                 default:
2317                         rc = -EOPNOTSUPP;
2318                         break;
2319                 }
2320         }
2321         return rc;
2322 }
2323
2324 static int bnxt_get_module_eeprom(struct net_device *dev,
2325                                   struct ethtool_eeprom *eeprom,
2326                                   u8 *data)
2327 {
2328         struct bnxt *bp = netdev_priv(dev);
2329         u16  start = eeprom->offset, length = eeprom->len;
2330         int rc = 0;
2331
2332         memset(data, 0, eeprom->len);
2333
2334         /* Read A0 portion of the EEPROM */
2335         if (start < ETH_MODULE_SFF_8436_LEN) {
2336                 if (start + eeprom->len > ETH_MODULE_SFF_8436_LEN)
2337                         length = ETH_MODULE_SFF_8436_LEN - start;
2338                 rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0,
2339                                                       start, length, data);
2340                 if (rc)
2341                         return rc;
2342                 start += length;
2343                 data += length;
2344                 length = eeprom->len - length;
2345         }
2346
2347         /* Read A2 portion of the EEPROM */
2348         if (length) {
2349                 start -= ETH_MODULE_SFF_8436_LEN;
2350                 rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A2, 1,
2351                                                       start, length, data);
2352         }
2353         return rc;
2354 }
2355
2356 static int bnxt_nway_reset(struct net_device *dev)
2357 {
2358         int rc = 0;
2359
2360         struct bnxt *bp = netdev_priv(dev);
2361         struct bnxt_link_info *link_info = &bp->link_info;
2362
2363         if (!BNXT_SINGLE_PF(bp))
2364                 return -EOPNOTSUPP;
2365
2366         if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
2367                 return -EINVAL;
2368
2369         if (netif_running(dev))
2370                 rc = bnxt_hwrm_set_link_setting(bp, true, false);
2371
2372         return rc;
2373 }
2374
2375 static int bnxt_set_phys_id(struct net_device *dev,
2376                             enum ethtool_phys_id_state state)
2377 {
2378         struct hwrm_port_led_cfg_input req = {0};
2379         struct bnxt *bp = netdev_priv(dev);
2380         struct bnxt_pf_info *pf = &bp->pf;
2381         struct bnxt_led_cfg *led_cfg;
2382         u8 led_state;
2383         __le16 duration;
2384         int i, rc;
2385
2386         if (!bp->num_leds || BNXT_VF(bp))
2387                 return -EOPNOTSUPP;
2388
2389         if (state == ETHTOOL_ID_ACTIVE) {
2390                 led_state = PORT_LED_CFG_REQ_LED0_STATE_BLINKALT;
2391                 duration = cpu_to_le16(500);
2392         } else if (state == ETHTOOL_ID_INACTIVE) {
2393                 led_state = PORT_LED_CFG_REQ_LED1_STATE_DEFAULT;
2394                 duration = cpu_to_le16(0);
2395         } else {
2396                 return -EINVAL;
2397         }
2398         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_LED_CFG, -1, -1);
2399         req.port_id = cpu_to_le16(pf->port_id);
2400         req.num_leds = bp->num_leds;
2401         led_cfg = (struct bnxt_led_cfg *)&req.led0_id;
2402         for (i = 0; i < bp->num_leds; i++, led_cfg++) {
2403                 req.enables |= BNXT_LED_DFLT_ENABLES(i);
2404                 led_cfg->led_id = bp->leds[i].led_id;
2405                 led_cfg->led_state = led_state;
2406                 led_cfg->led_blink_on = duration;
2407                 led_cfg->led_blink_off = duration;
2408                 led_cfg->led_group_id = bp->leds[i].led_group_id;
2409         }
2410         rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2411         if (rc)
2412                 rc = -EIO;
2413         return rc;
2414 }
2415
2416 static int bnxt_hwrm_selftest_irq(struct bnxt *bp, u16 cmpl_ring)
2417 {
2418         struct hwrm_selftest_irq_input req = {0};
2419
2420         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_IRQ, cmpl_ring, -1);
2421         return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2422 }
2423
2424 static int bnxt_test_irq(struct bnxt *bp)
2425 {
2426         int i;
2427
2428         for (i = 0; i < bp->cp_nr_rings; i++) {
2429                 u16 cmpl_ring = bp->grp_info[i].cp_fw_ring_id;
2430                 int rc;
2431
2432                 rc = bnxt_hwrm_selftest_irq(bp, cmpl_ring);
2433                 if (rc)
2434                         return rc;
2435         }
2436         return 0;
2437 }
2438
2439 static int bnxt_hwrm_mac_loopback(struct bnxt *bp, bool enable)
2440 {
2441         struct hwrm_port_mac_cfg_input req = {0};
2442
2443         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_MAC_CFG, -1, -1);
2444
2445         req.enables = cpu_to_le32(PORT_MAC_CFG_REQ_ENABLES_LPBK);
2446         if (enable)
2447                 req.lpbk = PORT_MAC_CFG_REQ_LPBK_LOCAL;
2448         else
2449                 req.lpbk = PORT_MAC_CFG_REQ_LPBK_NONE;
2450         return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2451 }
2452
2453 static int bnxt_disable_an_for_lpbk(struct bnxt *bp,
2454                                     struct hwrm_port_phy_cfg_input *req)
2455 {
2456         struct bnxt_link_info *link_info = &bp->link_info;
2457         u16 fw_advertising = link_info->advertising;
2458         u16 fw_speed;
2459         int rc;
2460
2461         if (!link_info->autoneg)
2462                 return 0;
2463
2464         fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_1GB;
2465         if (netif_carrier_ok(bp->dev))
2466                 fw_speed = bp->link_info.link_speed;
2467         else if (fw_advertising & BNXT_LINK_SPEED_MSK_10GB)
2468                 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_10GB;
2469         else if (fw_advertising & BNXT_LINK_SPEED_MSK_25GB)
2470                 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_25GB;
2471         else if (fw_advertising & BNXT_LINK_SPEED_MSK_40GB)
2472                 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_40GB;
2473         else if (fw_advertising & BNXT_LINK_SPEED_MSK_50GB)
2474                 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_50GB;
2475
2476         req->force_link_speed = cpu_to_le16(fw_speed);
2477         req->flags |= cpu_to_le32(PORT_PHY_CFG_REQ_FLAGS_FORCE |
2478                                   PORT_PHY_CFG_REQ_FLAGS_RESET_PHY);
2479         rc = hwrm_send_message(bp, req, sizeof(*req), HWRM_CMD_TIMEOUT);
2480         req->flags = 0;
2481         req->force_link_speed = cpu_to_le16(0);
2482         return rc;
2483 }
2484
2485 static int bnxt_hwrm_phy_loopback(struct bnxt *bp, bool enable, bool ext)
2486 {
2487         struct hwrm_port_phy_cfg_input req = {0};
2488
2489         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_CFG, -1, -1);
2490
2491         if (enable) {
2492                 bnxt_disable_an_for_lpbk(bp, &req);
2493                 if (ext)
2494                         req.lpbk = PORT_PHY_CFG_REQ_LPBK_EXTERNAL;
2495                 else
2496                         req.lpbk = PORT_PHY_CFG_REQ_LPBK_LOCAL;
2497         } else {
2498                 req.lpbk = PORT_PHY_CFG_REQ_LPBK_NONE;
2499         }
2500         req.enables = cpu_to_le32(PORT_PHY_CFG_REQ_ENABLES_LPBK);
2501         return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2502 }
2503
2504 static int bnxt_rx_loopback(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
2505                             u32 raw_cons, int pkt_size)
2506 {
2507         struct bnxt_napi *bnapi = cpr->bnapi;
2508         struct bnxt_rx_ring_info *rxr;
2509         struct bnxt_sw_rx_bd *rx_buf;
2510         struct rx_cmp *rxcmp;
2511         u16 cp_cons, cons;
2512         u8 *data;
2513         u32 len;
2514         int i;
2515
2516         rxr = bnapi->rx_ring;
2517         cp_cons = RING_CMP(raw_cons);
2518         rxcmp = (struct rx_cmp *)
2519                 &cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)];
2520         cons = rxcmp->rx_cmp_opaque;
2521         rx_buf = &rxr->rx_buf_ring[cons];
2522         data = rx_buf->data_ptr;
2523         len = le32_to_cpu(rxcmp->rx_cmp_len_flags_type) >> RX_CMP_LEN_SHIFT;
2524         if (len != pkt_size)
2525                 return -EIO;
2526         i = ETH_ALEN;
2527         if (!ether_addr_equal(data + i, bnapi->bp->dev->dev_addr))
2528                 return -EIO;
2529         i += ETH_ALEN;
2530         for (  ; i < pkt_size; i++) {
2531                 if (data[i] != (u8)(i & 0xff))
2532                         return -EIO;
2533         }
2534         return 0;
2535 }
2536
2537 static int bnxt_poll_loopback(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
2538                               int pkt_size)
2539 {
2540         struct tx_cmp *txcmp;
2541         int rc = -EIO;
2542         u32 raw_cons;
2543         u32 cons;
2544         int i;
2545
2546         raw_cons = cpr->cp_raw_cons;
2547         for (i = 0; i < 200; i++) {
2548                 cons = RING_CMP(raw_cons);
2549                 txcmp = &cpr->cp_desc_ring[CP_RING(cons)][CP_IDX(cons)];
2550
2551                 if (!TX_CMP_VALID(txcmp, raw_cons)) {
2552                         udelay(5);
2553                         continue;
2554                 }
2555
2556                 /* The valid test of the entry must be done first before
2557                  * reading any further.
2558                  */
2559                 dma_rmb();
2560                 if (TX_CMP_TYPE(txcmp) == CMP_TYPE_RX_L2_CMP) {
2561                         rc = bnxt_rx_loopback(bp, cpr, raw_cons, pkt_size);
2562                         raw_cons = NEXT_RAW_CMP(raw_cons);
2563                         raw_cons = NEXT_RAW_CMP(raw_cons);
2564                         break;
2565                 }
2566                 raw_cons = NEXT_RAW_CMP(raw_cons);
2567         }
2568         cpr->cp_raw_cons = raw_cons;
2569         return rc;
2570 }
2571
2572 static int bnxt_run_loopback(struct bnxt *bp)
2573 {
2574         struct bnxt_tx_ring_info *txr = &bp->tx_ring[0];
2575         struct bnxt_cp_ring_info *cpr;
2576         int pkt_size, i = 0;
2577         struct sk_buff *skb;
2578         dma_addr_t map;
2579         u8 *data;
2580         int rc;
2581
2582         cpr = &txr->bnapi->cp_ring;
2583         pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_copy_thresh);
2584         skb = netdev_alloc_skb(bp->dev, pkt_size);
2585         if (!skb)
2586                 return -ENOMEM;
2587         data = skb_put(skb, pkt_size);
2588         eth_broadcast_addr(data);
2589         i += ETH_ALEN;
2590         ether_addr_copy(&data[i], bp->dev->dev_addr);
2591         i += ETH_ALEN;
2592         for ( ; i < pkt_size; i++)
2593                 data[i] = (u8)(i & 0xff);
2594
2595         map = dma_map_single(&bp->pdev->dev, skb->data, pkt_size,
2596                              PCI_DMA_TODEVICE);
2597         if (dma_mapping_error(&bp->pdev->dev, map)) {
2598                 dev_kfree_skb(skb);
2599                 return -EIO;
2600         }
2601         bnxt_xmit_xdp(bp, txr, map, pkt_size, 0);
2602
2603         /* Sync BD data before updating doorbell */
2604         wmb();
2605
2606         bnxt_db_write(bp, &txr->tx_db, txr->tx_prod);
2607         rc = bnxt_poll_loopback(bp, cpr, pkt_size);
2608
2609         dma_unmap_single(&bp->pdev->dev, map, pkt_size, PCI_DMA_TODEVICE);
2610         dev_kfree_skb(skb);
2611         return rc;
2612 }
2613
2614 static int bnxt_run_fw_tests(struct bnxt *bp, u8 test_mask, u8 *test_results)
2615 {
2616         struct hwrm_selftest_exec_output *resp = bp->hwrm_cmd_resp_addr;
2617         struct hwrm_selftest_exec_input req = {0};
2618         int rc;
2619
2620         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_EXEC, -1, -1);
2621         mutex_lock(&bp->hwrm_cmd_lock);
2622         resp->test_success = 0;
2623         req.flags = test_mask;
2624         rc = _hwrm_send_message(bp, &req, sizeof(req), bp->test_info->timeout);
2625         *test_results = resp->test_success;
2626         mutex_unlock(&bp->hwrm_cmd_lock);
2627         return rc;
2628 }
2629
2630 #define BNXT_DRV_TESTS                  4
2631 #define BNXT_MACLPBK_TEST_IDX           (bp->num_tests - BNXT_DRV_TESTS)
2632 #define BNXT_PHYLPBK_TEST_IDX           (BNXT_MACLPBK_TEST_IDX + 1)
2633 #define BNXT_EXTLPBK_TEST_IDX           (BNXT_MACLPBK_TEST_IDX + 2)
2634 #define BNXT_IRQ_TEST_IDX               (BNXT_MACLPBK_TEST_IDX + 3)
2635
2636 static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest,
2637                            u64 *buf)
2638 {
2639         struct bnxt *bp = netdev_priv(dev);
2640         bool do_ext_lpbk = false;
2641         bool offline = false;
2642         u8 test_results = 0;
2643         u8 test_mask = 0;
2644         int rc, i;
2645
2646         if (!bp->num_tests || !BNXT_SINGLE_PF(bp))
2647                 return;
2648         memset(buf, 0, sizeof(u64) * bp->num_tests);
2649         if (!netif_running(dev)) {
2650                 etest->flags |= ETH_TEST_FL_FAILED;
2651                 return;
2652         }
2653
2654         if ((etest->flags & ETH_TEST_FL_EXTERNAL_LB) &&
2655             (bp->test_info->flags & BNXT_TEST_FL_EXT_LPBK))
2656                 do_ext_lpbk = true;
2657
2658         if (etest->flags & ETH_TEST_FL_OFFLINE) {
2659                 if (bp->pf.active_vfs) {
2660                         etest->flags |= ETH_TEST_FL_FAILED;
2661                         netdev_warn(dev, "Offline tests cannot be run with active VFs\n");
2662                         return;
2663                 }
2664                 offline = true;
2665         }
2666
2667         for (i = 0; i < bp->num_tests - BNXT_DRV_TESTS; i++) {
2668                 u8 bit_val = 1 << i;
2669
2670                 if (!(bp->test_info->offline_mask & bit_val))
2671                         test_mask |= bit_val;
2672                 else if (offline)
2673                         test_mask |= bit_val;
2674         }
2675         if (!offline) {
2676                 bnxt_run_fw_tests(bp, test_mask, &test_results);
2677         } else {
2678                 rc = bnxt_close_nic(bp, false, false);
2679                 if (rc)
2680                         return;
2681                 bnxt_run_fw_tests(bp, test_mask, &test_results);
2682
2683                 buf[BNXT_MACLPBK_TEST_IDX] = 1;
2684                 bnxt_hwrm_mac_loopback(bp, true);
2685                 msleep(250);
2686                 rc = bnxt_half_open_nic(bp);
2687                 if (rc) {
2688                         bnxt_hwrm_mac_loopback(bp, false);
2689                         etest->flags |= ETH_TEST_FL_FAILED;
2690                         return;
2691                 }
2692                 if (bnxt_run_loopback(bp))
2693                         etest->flags |= ETH_TEST_FL_FAILED;
2694                 else
2695                         buf[BNXT_MACLPBK_TEST_IDX] = 0;
2696
2697                 bnxt_hwrm_mac_loopback(bp, false);
2698                 bnxt_hwrm_phy_loopback(bp, true, false);
2699                 msleep(1000);
2700                 if (bnxt_run_loopback(bp)) {
2701                         buf[BNXT_PHYLPBK_TEST_IDX] = 1;
2702                         etest->flags |= ETH_TEST_FL_FAILED;
2703                 }
2704                 if (do_ext_lpbk) {
2705                         etest->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
2706                         bnxt_hwrm_phy_loopback(bp, true, true);
2707                         msleep(1000);
2708                         if (bnxt_run_loopback(bp)) {
2709                                 buf[BNXT_EXTLPBK_TEST_IDX] = 1;
2710                                 etest->flags |= ETH_TEST_FL_FAILED;
2711                         }
2712                 }
2713                 bnxt_hwrm_phy_loopback(bp, false, false);
2714                 bnxt_half_close_nic(bp);
2715                 bnxt_open_nic(bp, false, true);
2716         }
2717         if (bnxt_test_irq(bp)) {
2718                 buf[BNXT_IRQ_TEST_IDX] = 1;
2719                 etest->flags |= ETH_TEST_FL_FAILED;
2720         }
2721         for (i = 0; i < bp->num_tests - BNXT_DRV_TESTS; i++) {
2722                 u8 bit_val = 1 << i;
2723
2724                 if ((test_mask & bit_val) && !(test_results & bit_val)) {
2725                         buf[i] = 1;
2726                         etest->flags |= ETH_TEST_FL_FAILED;
2727                 }
2728         }
2729 }
2730
2731 static int bnxt_reset(struct net_device *dev, u32 *flags)
2732 {
2733         struct bnxt *bp = netdev_priv(dev);
2734         int rc = 0;
2735
2736         if (!BNXT_PF(bp)) {
2737                 netdev_err(dev, "Reset is not supported from a VF\n");
2738                 return -EOPNOTSUPP;
2739         }
2740
2741         if (pci_vfs_assigned(bp->pdev)) {
2742                 netdev_err(dev,
2743                            "Reset not allowed when VFs are assigned to VMs\n");
2744                 return -EBUSY;
2745         }
2746
2747         if (*flags == ETH_RESET_ALL) {
2748                 /* This feature is not supported in older firmware versions */
2749                 if (bp->hwrm_spec_code < 0x10803)
2750                         return -EOPNOTSUPP;
2751
2752                 rc = bnxt_firmware_reset(dev, BNXT_FW_RESET_CHIP);
2753                 if (!rc) {
2754                         netdev_info(dev, "Reset request successful. Reload driver to complete reset\n");
2755                         *flags = 0;
2756                 }
2757         } else if (*flags == ETH_RESET_AP) {
2758                 /* This feature is not supported in older firmware versions */
2759                 if (bp->hwrm_spec_code < 0x10803)
2760                         return -EOPNOTSUPP;
2761
2762                 rc = bnxt_firmware_reset(dev, BNXT_FW_RESET_AP);
2763                 if (!rc) {
2764                         netdev_info(dev, "Reset Application Processor request successful.\n");
2765                         *flags = 0;
2766                 }
2767         } else {
2768                 rc = -EINVAL;
2769         }
2770
2771         return rc;
2772 }
2773
2774 static int bnxt_hwrm_dbg_dma_data(struct bnxt *bp, void *msg, int msg_len,
2775                                   struct bnxt_hwrm_dbg_dma_info *info)
2776 {
2777         struct hwrm_dbg_cmn_output *cmn_resp = bp->hwrm_cmd_resp_addr;
2778         struct hwrm_dbg_cmn_input *cmn_req = msg;
2779         __le16 *seq_ptr = msg + info->seq_off;
2780         u16 seq = 0, len, segs_off;
2781         void *resp = cmn_resp;
2782         dma_addr_t dma_handle;
2783         int rc, off = 0;
2784         void *dma_buf;
2785
2786         dma_buf = dma_alloc_coherent(&bp->pdev->dev, info->dma_len, &dma_handle,
2787                                      GFP_KERNEL);
2788         if (!dma_buf)
2789                 return -ENOMEM;
2790
2791         segs_off = offsetof(struct hwrm_dbg_coredump_list_output,
2792                             total_segments);
2793         cmn_req->host_dest_addr = cpu_to_le64(dma_handle);
2794         cmn_req->host_buf_len = cpu_to_le32(info->dma_len);
2795         mutex_lock(&bp->hwrm_cmd_lock);
2796         while (1) {
2797                 *seq_ptr = cpu_to_le16(seq);
2798                 rc = _hwrm_send_message(bp, msg, msg_len, HWRM_CMD_TIMEOUT);
2799                 if (rc)
2800                         break;
2801
2802                 len = le16_to_cpu(*((__le16 *)(resp + info->data_len_off)));
2803                 if (!seq &&
2804                     cmn_req->req_type == cpu_to_le16(HWRM_DBG_COREDUMP_LIST)) {
2805                         info->segs = le16_to_cpu(*((__le16 *)(resp +
2806                                                               segs_off)));
2807                         if (!info->segs) {
2808                                 rc = -EIO;
2809                                 break;
2810                         }
2811
2812                         info->dest_buf_size = info->segs *
2813                                         sizeof(struct coredump_segment_record);
2814                         info->dest_buf = kmalloc(info->dest_buf_size,
2815                                                  GFP_KERNEL);
2816                         if (!info->dest_buf) {
2817                                 rc = -ENOMEM;
2818                                 break;
2819                         }
2820                 }
2821
2822                 if (info->dest_buf)
2823                         memcpy(info->dest_buf + off, dma_buf, len);
2824
2825                 if (cmn_req->req_type ==
2826                                 cpu_to_le16(HWRM_DBG_COREDUMP_RETRIEVE))
2827                         info->dest_buf_size += len;
2828
2829                 if (!(cmn_resp->flags & HWRM_DBG_CMN_FLAGS_MORE))
2830                         break;
2831
2832                 seq++;
2833                 off += len;
2834         }
2835         mutex_unlock(&bp->hwrm_cmd_lock);
2836         dma_free_coherent(&bp->pdev->dev, info->dma_len, dma_buf, dma_handle);
2837         return rc;
2838 }
2839
2840 static int bnxt_hwrm_dbg_coredump_list(struct bnxt *bp,
2841                                        struct bnxt_coredump *coredump)
2842 {
2843         struct hwrm_dbg_coredump_list_input req = {0};
2844         struct bnxt_hwrm_dbg_dma_info info = {NULL};
2845         int rc;
2846
2847         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_DBG_COREDUMP_LIST, -1, -1);
2848
2849         info.dma_len = COREDUMP_LIST_BUF_LEN;
2850         info.seq_off = offsetof(struct hwrm_dbg_coredump_list_input, seq_no);
2851         info.data_len_off = offsetof(struct hwrm_dbg_coredump_list_output,
2852                                      data_len);
2853
2854         rc = bnxt_hwrm_dbg_dma_data(bp, &req, sizeof(req), &info);
2855         if (!rc) {
2856                 coredump->data = info.dest_buf;
2857                 coredump->data_size = info.dest_buf_size;
2858                 coredump->total_segs = info.segs;
2859         }
2860         return rc;
2861 }
2862
2863 static int bnxt_hwrm_dbg_coredump_initiate(struct bnxt *bp, u16 component_id,
2864                                            u16 segment_id)
2865 {
2866         struct hwrm_dbg_coredump_initiate_input req = {0};
2867
2868         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_DBG_COREDUMP_INITIATE, -1, -1);
2869         req.component_id = cpu_to_le16(component_id);
2870         req.segment_id = cpu_to_le16(segment_id);
2871
2872         return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2873 }
2874
2875 static int bnxt_hwrm_dbg_coredump_retrieve(struct bnxt *bp, u16 component_id,
2876                                            u16 segment_id, u32 *seg_len,
2877                                            void *buf, u32 offset)
2878 {
2879         struct hwrm_dbg_coredump_retrieve_input req = {0};
2880         struct bnxt_hwrm_dbg_dma_info info = {NULL};
2881         int rc;
2882
2883         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_DBG_COREDUMP_RETRIEVE, -1, -1);
2884         req.component_id = cpu_to_le16(component_id);
2885         req.segment_id = cpu_to_le16(segment_id);
2886
2887         info.dma_len = COREDUMP_RETRIEVE_BUF_LEN;
2888         info.seq_off = offsetof(struct hwrm_dbg_coredump_retrieve_input,
2889                                 seq_no);
2890         info.data_len_off = offsetof(struct hwrm_dbg_coredump_retrieve_output,
2891                                      data_len);
2892         if (buf)
2893                 info.dest_buf = buf + offset;
2894
2895         rc = bnxt_hwrm_dbg_dma_data(bp, &req, sizeof(req), &info);
2896         if (!rc)
2897                 *seg_len = info.dest_buf_size;
2898
2899         return rc;
2900 }
2901
2902 static void
2903 bnxt_fill_coredump_seg_hdr(struct bnxt *bp,
2904                            struct bnxt_coredump_segment_hdr *seg_hdr,
2905                            struct coredump_segment_record *seg_rec, u32 seg_len,
2906                            int status, u32 duration, u32 instance)
2907 {
2908         memset(seg_hdr, 0, sizeof(*seg_hdr));
2909         memcpy(seg_hdr->signature, "sEgM", 4);
2910         if (seg_rec) {
2911                 seg_hdr->component_id = (__force __le32)seg_rec->component_id;
2912                 seg_hdr->segment_id = (__force __le32)seg_rec->segment_id;
2913                 seg_hdr->low_version = seg_rec->version_low;
2914                 seg_hdr->high_version = seg_rec->version_hi;
2915         } else {
2916                 /* For hwrm_ver_get response Component id = 2
2917                  * and Segment id = 0
2918                  */
2919                 seg_hdr->component_id = cpu_to_le32(2);
2920                 seg_hdr->segment_id = 0;
2921         }
2922         seg_hdr->function_id = cpu_to_le16(bp->pdev->devfn);
2923         seg_hdr->length = cpu_to_le32(seg_len);
2924         seg_hdr->status = cpu_to_le32(status);
2925         seg_hdr->duration = cpu_to_le32(duration);
2926         seg_hdr->data_offset = cpu_to_le32(sizeof(*seg_hdr));
2927         seg_hdr->instance = cpu_to_le32(instance);
2928 }
2929
2930 static void
2931 bnxt_fill_coredump_record(struct bnxt *bp, struct bnxt_coredump_record *record,
2932                           time64_t start, s16 start_utc, u16 total_segs,
2933                           int status)
2934 {
2935         time64_t end = ktime_get_real_seconds();
2936         u32 os_ver_major = 0, os_ver_minor = 0;
2937         struct tm tm;
2938
2939         time64_to_tm(start, 0, &tm);
2940         memset(record, 0, sizeof(*record));
2941         memcpy(record->signature, "cOrE", 4);
2942         record->flags = 0;
2943         record->low_version = 0;
2944         record->high_version = 1;
2945         record->asic_state = 0;
2946         strlcpy(record->system_name, utsname()->nodename,
2947                 sizeof(record->system_name));
2948         record->year = cpu_to_le16(tm.tm_year + 1900);
2949         record->month = cpu_to_le16(tm.tm_mon + 1);
2950         record->day = cpu_to_le16(tm.tm_mday);
2951         record->hour = cpu_to_le16(tm.tm_hour);
2952         record->minute = cpu_to_le16(tm.tm_min);
2953         record->second = cpu_to_le16(tm.tm_sec);
2954         record->utc_bias = cpu_to_le16(start_utc);
2955         strcpy(record->commandline, "ethtool -w");
2956         record->total_segments = cpu_to_le32(total_segs);
2957
2958         sscanf(utsname()->release, "%u.%u", &os_ver_major, &os_ver_minor);
2959         record->os_ver_major = cpu_to_le32(os_ver_major);
2960         record->os_ver_minor = cpu_to_le32(os_ver_minor);
2961
2962         strlcpy(record->os_name, utsname()->sysname, 32);
2963         time64_to_tm(end, 0, &tm);
2964         record->end_year = cpu_to_le16(tm.tm_year + 1900);
2965         record->end_month = cpu_to_le16(tm.tm_mon + 1);
2966         record->end_day = cpu_to_le16(tm.tm_mday);
2967         record->end_hour = cpu_to_le16(tm.tm_hour);
2968         record->end_minute = cpu_to_le16(tm.tm_min);
2969         record->end_second = cpu_to_le16(tm.tm_sec);
2970         record->end_utc_bias = cpu_to_le16(sys_tz.tz_minuteswest * 60);
2971         record->asic_id1 = cpu_to_le32(bp->chip_num << 16 |
2972                                        bp->ver_resp.chip_rev << 8 |
2973                                        bp->ver_resp.chip_metal);
2974         record->asic_id2 = 0;
2975         record->coredump_status = cpu_to_le32(status);
2976         record->ioctl_low_version = 0;
2977         record->ioctl_high_version = 0;
2978 }
2979
2980 static int bnxt_get_coredump(struct bnxt *bp, void *buf, u32 *dump_len)
2981 {
2982         u32 ver_get_resp_len = sizeof(struct hwrm_ver_get_output);
2983         struct coredump_segment_record *seg_record = NULL;
2984         u32 offset = 0, seg_hdr_len, seg_record_len;
2985         struct bnxt_coredump_segment_hdr seg_hdr;
2986         struct bnxt_coredump coredump = {NULL};
2987         time64_t start_time;
2988         u16 start_utc;
2989         int rc = 0, i;
2990
2991         start_time = ktime_get_real_seconds();
2992         start_utc = sys_tz.tz_minuteswest * 60;
2993         seg_hdr_len = sizeof(seg_hdr);
2994
2995         /* First segment should be hwrm_ver_get response */
2996         *dump_len = seg_hdr_len + ver_get_resp_len;
2997         if (buf) {
2998                 bnxt_fill_coredump_seg_hdr(bp, &seg_hdr, NULL, ver_get_resp_len,
2999                                            0, 0, 0);
3000                 memcpy(buf + offset, &seg_hdr, seg_hdr_len);
3001                 offset += seg_hdr_len;
3002                 memcpy(buf + offset, &bp->ver_resp, ver_get_resp_len);
3003                 offset += ver_get_resp_len;
3004         }
3005
3006         rc = bnxt_hwrm_dbg_coredump_list(bp, &coredump);
3007         if (rc) {
3008                 netdev_err(bp->dev, "Failed to get coredump segment list\n");
3009                 goto err;
3010         }
3011
3012         *dump_len += seg_hdr_len * coredump.total_segs;
3013
3014         seg_record = (struct coredump_segment_record *)coredump.data;
3015         seg_record_len = sizeof(*seg_record);
3016
3017         for (i = 0; i < coredump.total_segs; i++) {
3018                 u16 comp_id = le16_to_cpu(seg_record->component_id);
3019                 u16 seg_id = le16_to_cpu(seg_record->segment_id);
3020                 u32 duration = 0, seg_len = 0;
3021                 unsigned long start, end;
3022
3023                 start = jiffies;
3024
3025                 rc = bnxt_hwrm_dbg_coredump_initiate(bp, comp_id, seg_id);
3026                 if (rc) {
3027                         netdev_err(bp->dev,
3028                                    "Failed to initiate coredump for seg = %d\n",
3029                                    seg_record->segment_id);
3030                         goto next_seg;
3031                 }
3032
3033                 /* Write segment data into the buffer */
3034                 rc = bnxt_hwrm_dbg_coredump_retrieve(bp, comp_id, seg_id,
3035                                                      &seg_len, buf,
3036                                                      offset + seg_hdr_len);
3037                 if (rc)
3038                         netdev_err(bp->dev,
3039                                    "Failed to retrieve coredump for seg = %d\n",
3040                                    seg_record->segment_id);
3041
3042 next_seg:
3043                 end = jiffies;
3044                 duration = jiffies_to_msecs(end - start);
3045                 bnxt_fill_coredump_seg_hdr(bp, &seg_hdr, seg_record, seg_len,
3046                                            rc, duration, 0);
3047
3048                 if (buf) {
3049                         /* Write segment header into the buffer */
3050                         memcpy(buf + offset, &seg_hdr, seg_hdr_len);
3051                         offset += seg_hdr_len + seg_len;
3052                 }
3053
3054                 *dump_len += seg_len;
3055                 seg_record =
3056                         (struct coredump_segment_record *)((u8 *)seg_record +
3057                                                            seg_record_len);
3058         }
3059
3060 err:
3061         if (buf)
3062                 bnxt_fill_coredump_record(bp, buf + offset, start_time,
3063                                           start_utc, coredump.total_segs + 1,
3064                                           rc);
3065         kfree(coredump.data);
3066         *dump_len += sizeof(struct bnxt_coredump_record);
3067
3068         return rc;
3069 }
3070
3071 static int bnxt_get_dump_flag(struct net_device *dev, struct ethtool_dump *dump)
3072 {
3073         struct bnxt *bp = netdev_priv(dev);
3074
3075         if (bp->hwrm_spec_code < 0x10801)
3076                 return -EOPNOTSUPP;
3077
3078         dump->version = bp->ver_resp.hwrm_fw_maj_8b << 24 |
3079                         bp->ver_resp.hwrm_fw_min_8b << 16 |
3080                         bp->ver_resp.hwrm_fw_bld_8b << 8 |
3081                         bp->ver_resp.hwrm_fw_rsvd_8b;
3082
3083         return bnxt_get_coredump(bp, NULL, &dump->len);
3084 }
3085
3086 static int bnxt_get_dump_data(struct net_device *dev, struct ethtool_dump *dump,
3087                               void *buf)
3088 {
3089         struct bnxt *bp = netdev_priv(dev);
3090
3091         if (bp->hwrm_spec_code < 0x10801)
3092                 return -EOPNOTSUPP;
3093
3094         memset(buf, 0, dump->len);
3095
3096         return bnxt_get_coredump(bp, buf, &dump->len);
3097 }
3098
3099 void bnxt_ethtool_init(struct bnxt *bp)
3100 {
3101         struct hwrm_selftest_qlist_output *resp = bp->hwrm_cmd_resp_addr;
3102         struct hwrm_selftest_qlist_input req = {0};
3103         struct bnxt_test_info *test_info;
3104         struct net_device *dev = bp->dev;
3105         int i, rc;
3106
3107         bnxt_get_pkgver(dev);
3108
3109         if (bp->hwrm_spec_code < 0x10704 || !BNXT_SINGLE_PF(bp))
3110                 return;
3111
3112         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_QLIST, -1, -1);
3113         mutex_lock(&bp->hwrm_cmd_lock);
3114         rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
3115         if (rc)
3116                 goto ethtool_init_exit;
3117
3118         test_info = kzalloc(sizeof(*bp->test_info), GFP_KERNEL);
3119         if (!test_info)
3120                 goto ethtool_init_exit;
3121
3122         bp->test_info = test_info;
3123         bp->num_tests = resp->num_tests + BNXT_DRV_TESTS;
3124         if (bp->num_tests > BNXT_MAX_TEST)
3125                 bp->num_tests = BNXT_MAX_TEST;
3126
3127         test_info->offline_mask = resp->offline_tests;
3128         test_info->timeout = le16_to_cpu(resp->test_timeout);
3129         if (!test_info->timeout)
3130                 test_info->timeout = HWRM_CMD_TIMEOUT;
3131         for (i = 0; i < bp->num_tests; i++) {
3132                 char *str = test_info->string[i];
3133                 char *fw_str = resp->test0_name + i * 32;
3134
3135                 if (i == BNXT_MACLPBK_TEST_IDX) {
3136                         strcpy(str, "Mac loopback test (offline)");
3137                 } else if (i == BNXT_PHYLPBK_TEST_IDX) {
3138                         strcpy(str, "Phy loopback test (offline)");
3139                 } else if (i == BNXT_EXTLPBK_TEST_IDX) {
3140                         strcpy(str, "Ext loopback test (offline)");
3141                 } else if (i == BNXT_IRQ_TEST_IDX) {
3142                         strcpy(str, "Interrupt_test (offline)");
3143                 } else {
3144                         strlcpy(str, fw_str, ETH_GSTRING_LEN);
3145                         strncat(str, " test", ETH_GSTRING_LEN - strlen(str));
3146                         if (test_info->offline_mask & (1 << i))
3147                                 strncat(str, " (offline)",
3148                                         ETH_GSTRING_LEN - strlen(str));
3149                         else
3150                                 strncat(str, " (online)",
3151                                         ETH_GSTRING_LEN - strlen(str));
3152                 }
3153         }
3154
3155 ethtool_init_exit:
3156         mutex_unlock(&bp->hwrm_cmd_lock);
3157 }
3158
3159 void bnxt_ethtool_free(struct bnxt *bp)
3160 {
3161         kfree(bp->test_info);
3162         bp->test_info = NULL;
3163 }
3164
3165 const struct ethtool_ops bnxt_ethtool_ops = {
3166         .get_link_ksettings     = bnxt_get_link_ksettings,
3167         .set_link_ksettings     = bnxt_set_link_ksettings,
3168         .get_pauseparam         = bnxt_get_pauseparam,
3169         .set_pauseparam         = bnxt_set_pauseparam,
3170         .get_drvinfo            = bnxt_get_drvinfo,
3171         .get_wol                = bnxt_get_wol,
3172         .set_wol                = bnxt_set_wol,
3173         .get_coalesce           = bnxt_get_coalesce,
3174         .set_coalesce           = bnxt_set_coalesce,
3175         .get_msglevel           = bnxt_get_msglevel,
3176         .set_msglevel           = bnxt_set_msglevel,
3177         .get_sset_count         = bnxt_get_sset_count,
3178         .get_strings            = bnxt_get_strings,
3179         .get_ethtool_stats      = bnxt_get_ethtool_stats,
3180         .set_ringparam          = bnxt_set_ringparam,
3181         .get_ringparam          = bnxt_get_ringparam,
3182         .get_channels           = bnxt_get_channels,
3183         .set_channels           = bnxt_set_channels,
3184         .get_rxnfc              = bnxt_get_rxnfc,
3185         .set_rxnfc              = bnxt_set_rxnfc,
3186         .get_rxfh_indir_size    = bnxt_get_rxfh_indir_size,
3187         .get_rxfh_key_size      = bnxt_get_rxfh_key_size,
3188         .get_rxfh               = bnxt_get_rxfh,
3189         .flash_device           = bnxt_flash_device,
3190         .get_eeprom_len         = bnxt_get_eeprom_len,
3191         .get_eeprom             = bnxt_get_eeprom,
3192         .set_eeprom             = bnxt_set_eeprom,
3193         .get_link               = bnxt_get_link,
3194         .get_eee                = bnxt_get_eee,
3195         .set_eee                = bnxt_set_eee,
3196         .get_module_info        = bnxt_get_module_info,
3197         .get_module_eeprom      = bnxt_get_module_eeprom,
3198         .nway_reset             = bnxt_nway_reset,
3199         .set_phys_id            = bnxt_set_phys_id,
3200         .self_test              = bnxt_self_test,
3201         .reset                  = bnxt_reset,
3202         .get_dump_flag          = bnxt_get_dump_flag,
3203         .get_dump_data          = bnxt_get_dump_data,
3204 };