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

   1 /* Broadcom NetXtreme-C/E network driver.
   2  *
   3  * Copyright (c) 2014-2016 Broadcom Corporation
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation.
   8  */
   9
  10 #include <linux/ctype.h>
  11 #include <linux/stringify.h>
  12 #include <linux/ethtool.h>
  13 #include <linux/interrupt.h>
  14 #include <linux/pci.h>
  15 #include <linux/etherdevice.h>
  16 #include <linux/crc32.h>
  17 #include <linux/firmware.h>
  18 #include "bnxt_hsi.h"
  19 #include "bnxt.h"
  20 #include "bnxt_ethtool.h"
  21 #include "bnxt_nvm_defs.h"      /* NVRAM content constant and structure defs */
  22 #include "bnxt_fw_hdr.h"        /* Firmware hdr constant and structure defs */
  23 #define FLASH_NVRAM_TIMEOUT     ((HWRM_CMD_TIMEOUT) * 100)
  24
  25 static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen);
  26
  27 static u32 bnxt_get_msglevel(struct net_device *dev)
  28 {
  29         struct bnxt *bp = netdev_priv(dev);
  30
  31         return bp->msg_enable;
  32 }
  33
  34 static void bnxt_set_msglevel(struct net_device *dev, u32 value)
  35 {
  36         struct bnxt *bp = netdev_priv(dev);
  37
  38         bp->msg_enable = value;
  39 }
  40
  41 static int bnxt_get_coalesce(struct net_device *dev,
  42                              struct ethtool_coalesce *coal)
  43 {
  44         struct bnxt *bp = netdev_priv(dev);
  45
  46         memset(coal, 0, sizeof(*coal));
  47
  48         coal->rx_coalesce_usecs = bp->rx_coal_ticks;
  49         /* 2 completion records per rx packet */
  50         coal->rx_max_coalesced_frames = bp->rx_coal_bufs / 2;
  51         coal->rx_coalesce_usecs_irq = bp->rx_coal_ticks_irq;
  52         coal->rx_max_coalesced_frames_irq = bp->rx_coal_bufs_irq / 2;
  53
  54         coal->tx_coalesce_usecs = bp->tx_coal_ticks;
  55         coal->tx_max_coalesced_frames = bp->tx_coal_bufs;
  56         coal->tx_coalesce_usecs_irq = bp->tx_coal_ticks_irq;
  57         coal->tx_max_coalesced_frames_irq = bp->tx_coal_bufs_irq;
  58
  59         return 0;
  60 }
  61
  62 static int bnxt_set_coalesce(struct net_device *dev,
  63                              struct ethtool_coalesce *coal)
  64 {
  65         struct bnxt *bp = netdev_priv(dev);
  66         int rc = 0;
  67
  68         bp->rx_coal_ticks = coal->rx_coalesce_usecs;
  69         /* 2 completion records per rx packet */
  70         bp->rx_coal_bufs = coal->rx_max_coalesced_frames * 2;
  71         bp->rx_coal_ticks_irq = coal->rx_coalesce_usecs_irq;
  72         bp->rx_coal_bufs_irq = coal->rx_max_coalesced_frames_irq * 2;
  73
  74         bp->tx_coal_ticks = coal->tx_coalesce_usecs;
  75         bp->tx_coal_bufs = coal->tx_max_coalesced_frames;
  76         bp->tx_coal_ticks_irq = coal->tx_coalesce_usecs_irq;
  77         bp->tx_coal_bufs_irq = coal->tx_max_coalesced_frames_irq;
  78
  79         if (netif_running(dev))
  80                 rc = bnxt_hwrm_set_coal(bp);
  81
  82         return rc;
  83 }
  84
  85 #define BNXT_NUM_STATS  21
  86
  87 #define BNXT_RX_STATS_OFFSET(counter)   \
  88         (offsetof(struct rx_port_stats, counter) / 8)
  89
  90 #define BNXT_RX_STATS_ENTRY(counter)    \
  91         { BNXT_RX_STATS_OFFSET(counter), __stringify(counter) }
  92
  93 #define BNXT_TX_STATS_OFFSET(counter)                   \
  94         ((offsetof(struct tx_port_stats, counter) +     \
  95           sizeof(struct rx_port_stats) + 512) / 8)
  96
  97 #define BNXT_TX_STATS_ENTRY(counter)    \
  98         { BNXT_TX_STATS_OFFSET(counter), __stringify(counter) }
  99
 100 static const struct {
 101         long offset;
 102         char string[ETH_GSTRING_LEN];
 103 } bnxt_port_stats_arr[] = {
 104         BNXT_RX_STATS_ENTRY(rx_64b_frames),
 105         BNXT_RX_STATS_ENTRY(rx_65b_127b_frames),
 106         BNXT_RX_STATS_ENTRY(rx_128b_255b_frames),
 107         BNXT_RX_STATS_ENTRY(rx_256b_511b_frames),
 108         BNXT_RX_STATS_ENTRY(rx_512b_1023b_frames),
 109         BNXT_RX_STATS_ENTRY(rx_1024b_1518_frames),
 110         BNXT_RX_STATS_ENTRY(rx_good_vlan_frames),
 111         BNXT_RX_STATS_ENTRY(rx_1519b_2047b_frames),
 112         BNXT_RX_STATS_ENTRY(rx_2048b_4095b_frames),
 113         BNXT_RX_STATS_ENTRY(rx_4096b_9216b_frames),
 114         BNXT_RX_STATS_ENTRY(rx_9217b_16383b_frames),
 115         BNXT_RX_STATS_ENTRY(rx_total_frames),
 116         BNXT_RX_STATS_ENTRY(rx_ucast_frames),
 117         BNXT_RX_STATS_ENTRY(rx_mcast_frames),
 118         BNXT_RX_STATS_ENTRY(rx_bcast_frames),
 119         BNXT_RX_STATS_ENTRY(rx_fcs_err_frames),
 120         BNXT_RX_STATS_ENTRY(rx_ctrl_frames),
 121         BNXT_RX_STATS_ENTRY(rx_pause_frames),
 122         BNXT_RX_STATS_ENTRY(rx_pfc_frames),
 123         BNXT_RX_STATS_ENTRY(rx_align_err_frames),
 124         BNXT_RX_STATS_ENTRY(rx_ovrsz_frames),
 125         BNXT_RX_STATS_ENTRY(rx_jbr_frames),
 126         BNXT_RX_STATS_ENTRY(rx_mtu_err_frames),
 127         BNXT_RX_STATS_ENTRY(rx_tagged_frames),
 128         BNXT_RX_STATS_ENTRY(rx_double_tagged_frames),
 129         BNXT_RX_STATS_ENTRY(rx_good_frames),
 130         BNXT_RX_STATS_ENTRY(rx_undrsz_frames),
 131         BNXT_RX_STATS_ENTRY(rx_eee_lpi_events),
 132         BNXT_RX_STATS_ENTRY(rx_eee_lpi_duration),
 133         BNXT_RX_STATS_ENTRY(rx_bytes),
 134         BNXT_RX_STATS_ENTRY(rx_runt_bytes),
 135         BNXT_RX_STATS_ENTRY(rx_runt_frames),
 136
 137         BNXT_TX_STATS_ENTRY(tx_64b_frames),
 138         BNXT_TX_STATS_ENTRY(tx_65b_127b_frames),
 139         BNXT_TX_STATS_ENTRY(tx_128b_255b_frames),
 140         BNXT_TX_STATS_ENTRY(tx_256b_511b_frames),
 141         BNXT_TX_STATS_ENTRY(tx_512b_1023b_frames),
 142         BNXT_TX_STATS_ENTRY(tx_1024b_1518_frames),
 143         BNXT_TX_STATS_ENTRY(tx_good_vlan_frames),
 144         BNXT_TX_STATS_ENTRY(tx_1519b_2047_frames),
 145         BNXT_TX_STATS_ENTRY(tx_2048b_4095b_frames),
 146         BNXT_TX_STATS_ENTRY(tx_4096b_9216b_frames),
 147         BNXT_TX_STATS_ENTRY(tx_9217b_16383b_frames),
 148         BNXT_TX_STATS_ENTRY(tx_good_frames),
 149         BNXT_TX_STATS_ENTRY(tx_total_frames),
 150         BNXT_TX_STATS_ENTRY(tx_ucast_frames),
 151         BNXT_TX_STATS_ENTRY(tx_mcast_frames),
 152         BNXT_TX_STATS_ENTRY(tx_bcast_frames),
 153         BNXT_TX_STATS_ENTRY(tx_pause_frames),
 154         BNXT_TX_STATS_ENTRY(tx_pfc_frames),
 155         BNXT_TX_STATS_ENTRY(tx_jabber_frames),
 156         BNXT_TX_STATS_ENTRY(tx_fcs_err_frames),
 157         BNXT_TX_STATS_ENTRY(tx_err),
 158         BNXT_TX_STATS_ENTRY(tx_fifo_underruns),
 159         BNXT_TX_STATS_ENTRY(tx_eee_lpi_events),
 160         BNXT_TX_STATS_ENTRY(tx_eee_lpi_duration),
 161         BNXT_TX_STATS_ENTRY(tx_total_collisions),
 162         BNXT_TX_STATS_ENTRY(tx_bytes),
 163 };
 164
 165 #define BNXT_NUM_PORT_STATS ARRAY_SIZE(bnxt_port_stats_arr)
 166
 167 static int bnxt_get_sset_count(struct net_device *dev, int sset)
 168 {
 169         struct bnxt *bp = netdev_priv(dev);
 170
 171         switch (sset) {
 172         case ETH_SS_STATS: {
 173                 int num_stats = BNXT_NUM_STATS * bp->cp_nr_rings;
 174
 175                 if (bp->flags & BNXT_FLAG_PORT_STATS)
 176                         num_stats += BNXT_NUM_PORT_STATS;
 177
 178                 return num_stats;
 179         }
 180         default:
 181                 return -EOPNOTSUPP;
 182         }
 183 }
 184
 185 static void bnxt_get_ethtool_stats(struct net_device *dev,
 186                                    struct ethtool_stats *stats, u64 *buf)
 187 {
 188         u32 i, j = 0;
 189         struct bnxt *bp = netdev_priv(dev);
 190         u32 buf_size = sizeof(struct ctx_hw_stats) * bp->cp_nr_rings;
 191         u32 stat_fields = sizeof(struct ctx_hw_stats) / 8;
 192
 193         memset(buf, 0, buf_size);
 194
 195         if (!bp->bnapi)
 196                 return;
 197
 198         for (i = 0; i < bp->cp_nr_rings; i++) {
 199                 struct bnxt_napi *bnapi = bp->bnapi[i];
 200                 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
 201                 __le64 *hw_stats = (__le64 *)cpr->hw_stats;
 202                 int k;
 203
 204                 for (k = 0; k < stat_fields; j++, k++)
 205                         buf[j] = le64_to_cpu(hw_stats[k]);
 206                 buf[j++] = cpr->rx_l4_csum_errors;
 207         }
 208         if (bp->flags & BNXT_FLAG_PORT_STATS) {
 209                 __le64 *port_stats = (__le64 *)bp->hw_rx_port_stats;
 210
 211                 for (i = 0; i < BNXT_NUM_PORT_STATS; i++, j++) {
 212                         buf[j] = le64_to_cpu(*(port_stats +
 213                                                bnxt_port_stats_arr[i].offset));
 214                 }
 215         }
 216 }
 217
 218 static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
 219 {
 220         struct bnxt *bp = netdev_priv(dev);
 221         u32 i;
 222
 223         switch (stringset) {
 224         /* The number of strings must match BNXT_NUM_STATS defined above. */
 225         case ETH_SS_STATS:
 226                 for (i = 0; i < bp->cp_nr_rings; i++) {
 227                         sprintf(buf, "[%d]: rx_ucast_packets", i);
 228                         buf += ETH_GSTRING_LEN;
 229                         sprintf(buf, "[%d]: rx_mcast_packets", i);
 230                         buf += ETH_GSTRING_LEN;
 231                         sprintf(buf, "[%d]: rx_bcast_packets", i);
 232                         buf += ETH_GSTRING_LEN;
 233                         sprintf(buf, "[%d]: rx_discards", i);
 234                         buf += ETH_GSTRING_LEN;
 235                         sprintf(buf, "[%d]: rx_drops", i);
 236                         buf += ETH_GSTRING_LEN;
 237                         sprintf(buf, "[%d]: rx_ucast_bytes", i);
 238                         buf += ETH_GSTRING_LEN;
 239                         sprintf(buf, "[%d]: rx_mcast_bytes", i);
 240                         buf += ETH_GSTRING_LEN;
 241                         sprintf(buf, "[%d]: rx_bcast_bytes", i);
 242                         buf += ETH_GSTRING_LEN;
 243                         sprintf(buf, "[%d]: tx_ucast_packets", i);
 244                         buf += ETH_GSTRING_LEN;
 245                         sprintf(buf, "[%d]: tx_mcast_packets", i);
 246                         buf += ETH_GSTRING_LEN;
 247                         sprintf(buf, "[%d]: tx_bcast_packets", i);
 248                         buf += ETH_GSTRING_LEN;
 249                         sprintf(buf, "[%d]: tx_discards", i);
 250                         buf += ETH_GSTRING_LEN;
 251                         sprintf(buf, "[%d]: tx_drops", i);
 252                         buf += ETH_GSTRING_LEN;
 253                         sprintf(buf, "[%d]: tx_ucast_bytes", i);
 254                         buf += ETH_GSTRING_LEN;
 255                         sprintf(buf, "[%d]: tx_mcast_bytes", i);
 256                         buf += ETH_GSTRING_LEN;
 257                         sprintf(buf, "[%d]: tx_bcast_bytes", i);
 258                         buf += ETH_GSTRING_LEN;
 259                         sprintf(buf, "[%d]: tpa_packets", i);
 260                         buf += ETH_GSTRING_LEN;
 261                         sprintf(buf, "[%d]: tpa_bytes", i);
 262                         buf += ETH_GSTRING_LEN;
 263                         sprintf(buf, "[%d]: tpa_events", i);
 264                         buf += ETH_GSTRING_LEN;
 265                         sprintf(buf, "[%d]: tpa_aborts", i);
 266                         buf += ETH_GSTRING_LEN;
 267                         sprintf(buf, "[%d]: rx_l4_csum_errors", i);
 268                         buf += ETH_GSTRING_LEN;
 269                 }
 270                 if (bp->flags & BNXT_FLAG_PORT_STATS) {
 271                         for (i = 0; i < BNXT_NUM_PORT_STATS; i++) {
 272                                 strcpy(buf, bnxt_port_stats_arr[i].string);
 273                                 buf += ETH_GSTRING_LEN;
 274                         }
 275                 }
 276                 break;
 277         default:
 278                 netdev_err(bp->dev, "bnxt_get_strings invalid request %x\n",
 279                            stringset);
 280                 break;
 281         }
 282 }
 283
 284 static void bnxt_get_ringparam(struct net_device *dev,
 285                                struct ethtool_ringparam *ering)
 286 {
 287         struct bnxt *bp = netdev_priv(dev);
 288
 289         ering->rx_max_pending = BNXT_MAX_RX_DESC_CNT;
 290         ering->rx_jumbo_max_pending = BNXT_MAX_RX_JUM_DESC_CNT;
 291         ering->tx_max_pending = BNXT_MAX_TX_DESC_CNT;
 292
 293         ering->rx_pending = bp->rx_ring_size;
 294         ering->rx_jumbo_pending = bp->rx_agg_ring_size;
 295         ering->tx_pending = bp->tx_ring_size;
 296 }
 297
 298 static int bnxt_set_ringparam(struct net_device *dev,
 299                               struct ethtool_ringparam *ering)
 300 {
 301         struct bnxt *bp = netdev_priv(dev);
 302
 303         if ((ering->rx_pending > BNXT_MAX_RX_DESC_CNT) ||
 304             (ering->tx_pending > BNXT_MAX_TX_DESC_CNT) ||
 305             (ering->tx_pending <= MAX_SKB_FRAGS))
 306                 return -EINVAL;
 307
 308         if (netif_running(dev))
 309                 bnxt_close_nic(bp, false, false);
 310
 311         bp->rx_ring_size = ering->rx_pending;
 312         bp->tx_ring_size = ering->tx_pending;
 313         bnxt_set_ring_params(bp);
 314
 315         if (netif_running(dev))
 316                 return bnxt_open_nic(bp, false, false);
 317
 318         return 0;
 319 }
 320
 321 static void bnxt_get_channels(struct net_device *dev,
 322                               struct ethtool_channels *channel)
 323 {
 324         struct bnxt *bp = netdev_priv(dev);
 325         int max_rx_rings, max_tx_rings, tcs;
 326
 327         bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, true);
 328         channel->max_combined = max_rx_rings;
 329
 330         if (bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, false)) {
 331                 max_rx_rings = 0;
 332                 max_tx_rings = 0;
 333         }
 334
 335         tcs = netdev_get_num_tc(dev);
 336         if (tcs > 1)
 337                 max_tx_rings /= tcs;
 338
 339         channel->max_rx = max_rx_rings;
 340         channel->max_tx = max_tx_rings;
 341         channel->max_other = 0;
 342         if (bp->flags & BNXT_FLAG_SHARED_RINGS) {
 343                 channel->combined_count = bp->rx_nr_rings;
 344         } else {
 345                 channel->rx_count = bp->rx_nr_rings;
 346                 channel->tx_count = bp->tx_nr_rings_per_tc;
 347         }
 348 }
 349
 350 static int bnxt_set_channels(struct net_device *dev,
 351                              struct ethtool_channels *channel)
 352 {
 353         struct bnxt *bp = netdev_priv(dev);
 354         int max_rx_rings, max_tx_rings, tcs;
 355         u32 rc = 0;
 356         bool sh = false;
 357
 358         if (channel->other_count)
 359                 return -EINVAL;
 360
 361         if (!channel->combined_count &&
 362             (!channel->rx_count || !channel->tx_count))
 363                 return -EINVAL;
 364
 365         if (channel->combined_count &&
 366             (channel->rx_count || channel->tx_count))
 367                 return -EINVAL;
 368
 369         if (channel->combined_count)
 370                 sh = true;
 371
 372         bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, sh);
 373
 374         tcs = netdev_get_num_tc(dev);
 375         if (tcs > 1)
 376                 max_tx_rings /= tcs;
 377
 378         if (sh && (channel->combined_count > max_rx_rings ||
 379                    channel->combined_count > max_tx_rings))
 380                 return -ENOMEM;
 381
 382         if (!sh && (channel->rx_count > max_rx_rings ||
 383                     channel->tx_count > max_tx_rings))
 384                 return -ENOMEM;
 385
 386         if (netif_running(dev)) {
 387                 if (BNXT_PF(bp)) {
 388                         /* TODO CHIMP_FW: Send message to all VF's
 389                          * before PF unload
 390                          */
 391                 }
 392                 rc = bnxt_close_nic(bp, true, false);
 393                 if (rc) {
 394                         netdev_err(bp->dev, "Set channel failure rc :%x\n",
 395                                    rc);
 396                         return rc;
 397                 }
 398         }
 399
 400         if (sh) {
 401                 bp->flags |= BNXT_FLAG_SHARED_RINGS;
 402                 bp->rx_nr_rings = channel->combined_count;
 403                 bp->tx_nr_rings_per_tc = channel->combined_count;
 404         } else {
 405                 bp->flags &= ~BNXT_FLAG_SHARED_RINGS;
 406                 bp->rx_nr_rings = channel->rx_count;
 407                 bp->tx_nr_rings_per_tc = channel->tx_count;
 408         }
 409
 410         bp->tx_nr_rings = bp->tx_nr_rings_per_tc;
 411         if (tcs > 1)
 412                 bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs;
 413
 414         bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) :
 415                                bp->tx_nr_rings + bp->rx_nr_rings;
 416
 417         bp->num_stat_ctxs = bp->cp_nr_rings;
 418
 419         /* After changing number of rx channels, update NTUPLE feature. */
 420         netdev_update_features(dev);
 421         if (netif_running(dev)) {
 422                 rc = bnxt_open_nic(bp, true, false);
 423                 if ((!rc) && BNXT_PF(bp)) {
 424                         /* TODO CHIMP_FW: Send message to all VF's
 425                          * to renable
 426                          */
 427                 }
 428         }
 429
 430         return rc;
 431 }
 432
 433 #ifdef CONFIG_RFS_ACCEL
 434 static int bnxt_grxclsrlall(struct bnxt *bp, struct ethtool_rxnfc *cmd,
 435                             u32 *rule_locs)
 436 {
 437         int i, j = 0;
 438
 439         cmd->data = bp->ntp_fltr_count;
 440         for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
 441                 struct hlist_head *head;
 442                 struct bnxt_ntuple_filter *fltr;
 443
 444                 head = &bp->ntp_fltr_hash_tbl[i];
 445                 rcu_read_lock();
 446                 hlist_for_each_entry_rcu(fltr, head, hash) {
 447                         if (j == cmd->rule_cnt)
 448                                 break;
 449                         rule_locs[j++] = fltr->sw_id;
 450                 }
 451                 rcu_read_unlock();
 452                 if (j == cmd->rule_cnt)
 453                         break;
 454         }
 455         cmd->rule_cnt = j;
 456         return 0;
 457 }
 458
 459 static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd)
 460 {
 461         struct ethtool_rx_flow_spec *fs =
 462                 (struct ethtool_rx_flow_spec *)&cmd->fs;
 463         struct bnxt_ntuple_filter *fltr;
 464         struct flow_keys *fkeys;
 465         int i, rc = -EINVAL;
 466
 467         if (fs->location < 0 || fs->location >= BNXT_NTP_FLTR_MAX_FLTR)
 468                 return rc;
 469
 470         for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
 471                 struct hlist_head *head;
 472
 473                 head = &bp->ntp_fltr_hash_tbl[i];
 474                 rcu_read_lock();
 475                 hlist_for_each_entry_rcu(fltr, head, hash) {
 476                         if (fltr->sw_id == fs->location)
 477                                 goto fltr_found;
 478                 }
 479                 rcu_read_unlock();
 480         }
 481         return rc;
 482
 483 fltr_found:
 484         fkeys = &fltr->fkeys;
 485         if (fkeys->basic.ip_proto == IPPROTO_TCP)
 486                 fs->flow_type = TCP_V4_FLOW;
 487         else if (fkeys->basic.ip_proto == IPPROTO_UDP)
 488                 fs->flow_type = UDP_V4_FLOW;
 489         else
 490                 goto fltr_err;
 491
 492         fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src;
 493         fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0);
 494
 495         fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst;
 496         fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0);
 497
 498         fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src;
 499         fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0);
 500
 501         fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst;
 502         fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0);
 503
 504         fs->ring_cookie = fltr->rxq;
 505         rc = 0;
 506
 507 fltr_err:
 508         rcu_read_unlock();
 509
 510         return rc;
 511 }
 512
 513 static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
 514                           u32 *rule_locs)
 515 {
 516         struct bnxt *bp = netdev_priv(dev);
 517         int rc = 0;
 518
 519         switch (cmd->cmd) {
 520         case ETHTOOL_GRXRINGS:
 521                 cmd->data = bp->rx_nr_rings;
 522                 break;
 523
 524         case ETHTOOL_GRXCLSRLCNT:
 525                 cmd->rule_cnt = bp->ntp_fltr_count;
 526                 cmd->data = BNXT_NTP_FLTR_MAX_FLTR;
 527                 break;
 528
 529         case ETHTOOL_GRXCLSRLALL:
 530                 rc = bnxt_grxclsrlall(bp, cmd, (u32 *)rule_locs);
 531                 break;
 532
 533         case ETHTOOL_GRXCLSRULE:
 534                 rc = bnxt_grxclsrule(bp, cmd);
 535                 break;
 536
 537         default:
 538                 rc = -EOPNOTSUPP;
 539                 break;
 540         }
 541
 542         return rc;
 543 }
 544 #endif
 545
 546 static u32 bnxt_get_rxfh_indir_size(struct net_device *dev)
 547 {
 548         return HW_HASH_INDEX_SIZE;
 549 }
 550
 551 static u32 bnxt_get_rxfh_key_size(struct net_device *dev)
 552 {
 553         return HW_HASH_KEY_SIZE;
 554 }
 555
 556 static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
 557                          u8 *hfunc)
 558 {
 559         struct bnxt *bp = netdev_priv(dev);
 560         struct bnxt_vnic_info *vnic = &bp->vnic_info[0];
 561         int i = 0;
 562
 563         if (hfunc)
 564                 *hfunc = ETH_RSS_HASH_TOP;
 565
 566         if (indir)
 567                 for (i = 0; i < HW_HASH_INDEX_SIZE; i++)
 568                         indir[i] = le16_to_cpu(vnic->rss_table[i]);
 569
 570         if (key)
 571                 memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE);
 572
 573         return 0;
 574 }
 575
 576 static void bnxt_get_drvinfo(struct net_device *dev,
 577                              struct ethtool_drvinfo *info)
 578 {
 579         struct bnxt *bp = netdev_priv(dev);
 580         char *pkglog;
 581         char *pkgver = NULL;
 582
 583         pkglog = kmalloc(BNX_PKG_LOG_MAX_LENGTH, GFP_KERNEL);
 584         if (pkglog)
 585                 pkgver = bnxt_get_pkgver(dev, pkglog, BNX_PKG_LOG_MAX_LENGTH);
 586         strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
 587         strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
 588         if (pkgver && *pkgver != 0 && isdigit(*pkgver))
 589                 snprintf(info->fw_version, sizeof(info->fw_version) - 1,
 590                          "%s pkg %s", bp->fw_ver_str, pkgver);
 591         else
 592                 strlcpy(info->fw_version, bp->fw_ver_str,
 593                         sizeof(info->fw_version));
 594         strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
 595         info->n_stats = BNXT_NUM_STATS * bp->cp_nr_rings;
 596         info->testinfo_len = BNXT_NUM_TESTS(bp);
 597         /* TODO CHIMP_FW: eeprom dump details */
 598         info->eedump_len = 0;
 599         /* TODO CHIMP FW: reg dump details */
 600         info->regdump_len = 0;
 601         kfree(pkglog);
 602 }
 603
 604 u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause)
 605 {
 606         u32 speed_mask = 0;
 607
 608         /* TODO: support 25GB, 40GB, 50GB with different cable type */
 609         /* set the advertised speeds */
 610         if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB)
 611                 speed_mask |= ADVERTISED_100baseT_Full;
 612         if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB)
 613                 speed_mask |= ADVERTISED_1000baseT_Full;
 614         if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB)
 615                 speed_mask |= ADVERTISED_2500baseX_Full;
 616         if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB)
 617                 speed_mask |= ADVERTISED_10000baseT_Full;
 618         if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB)
 619                 speed_mask |= ADVERTISED_40000baseCR4_Full;
 620
 621         if ((fw_pause & BNXT_LINK_PAUSE_BOTH) == BNXT_LINK_PAUSE_BOTH)
 622                 speed_mask |= ADVERTISED_Pause;
 623         else if (fw_pause & BNXT_LINK_PAUSE_TX)
 624                 speed_mask |= ADVERTISED_Asym_Pause;
 625         else if (fw_pause & BNXT_LINK_PAUSE_RX)
 626                 speed_mask |= ADVERTISED_Pause | ADVERTISED_Asym_Pause;
 627
 628         return speed_mask;
 629 }
 630
 631 #define BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, name)\
 632 {                                                                       \
 633         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100MB)                    \
 634                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
 635                                                      100baseT_Full);    \
 636         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_1GB)                      \
 637                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
 638                                                      1000baseT_Full);   \
 639         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_10GB)                     \
 640                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
 641                                                      10000baseT_Full);  \
 642         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_25GB)                     \
 643                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
 644                                                      25000baseCR_Full); \
 645         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_40GB)                     \
 646                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
 647                                                      40000baseCR4_Full);\
 648         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_50GB)                     \
 649                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
 650                                                      50000baseCR2_Full);\
 651         if ((fw_pause) & BNXT_LINK_PAUSE_RX) {                          \
 652                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
 653                                                      Pause);            \
 654                 if (!((fw_pause) & BNXT_LINK_PAUSE_TX))                 \
 655                         ethtool_link_ksettings_add_link_mode(           \
 656                                         lk_ksettings, name, Asym_Pause);\
 657         } else if ((fw_pause) & BNXT_LINK_PAUSE_TX) {                   \
 658                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
 659                                                      Asym_Pause);       \
 660         }                                                               \
 661 }
 662
 663 #define BNXT_ETHTOOL_TO_FW_SPDS(fw_speeds, lk_ksettings, name)          \
 664 {                                                                       \
 665         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
 666                                                   100baseT_Full) ||     \
 667             ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
 668                                                   100baseT_Half))       \
 669                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_100MB;               \
 670         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
 671                                                   1000baseT_Full) ||    \
 672             ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
 673                                                   1000baseT_Half))      \
 674                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_1GB;                 \
 675         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
 676                                                   10000baseT_Full))     \
 677                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_10GB;                \
 678         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
 679                                                   25000baseCR_Full))    \
 680                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_25GB;                \
 681         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
 682                                                   40000baseCR4_Full))   \
 683                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_40GB;                \
 684         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
 685                                                   50000baseCR2_Full))   \
 686                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_50GB;                \
 687 }
 688
 689 static void bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info,
 690                                 struct ethtool_link_ksettings *lk_ksettings)
 691 {
 692         u16 fw_speeds = link_info->auto_link_speeds;
 693         u8 fw_pause = 0;
 694
 695         if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
 696                 fw_pause = link_info->auto_pause_setting;
 697
 698         BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, advertising);
 699 }
 700
 701 static void bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info,
 702                                 struct ethtool_link_ksettings *lk_ksettings)
 703 {
 704         u16 fw_speeds = link_info->lp_auto_link_speeds;
 705         u8 fw_pause = 0;
 706
 707         if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
 708                 fw_pause = link_info->lp_pause;
 709
 710         BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings,
 711                                 lp_advertising);
 712 }
 713
 714 static void bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info,
 715                                 struct ethtool_link_ksettings *lk_ksettings)
 716 {
 717         u16 fw_speeds = link_info->support_speeds;
 718
 719         BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, 0, lk_ksettings, supported);
 720
 721         ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, Pause);
 722         ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
 723                                              Asym_Pause);
 724
 725         if (link_info->support_auto_speeds)
 726                 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
 727                                                      Autoneg);
 728 }
 729
 730 u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed)
 731 {
 732         switch (fw_link_speed) {
 733         case BNXT_LINK_SPEED_100MB:
 734                 return SPEED_100;
 735         case BNXT_LINK_SPEED_1GB:
 736                 return SPEED_1000;
 737         case BNXT_LINK_SPEED_2_5GB:
 738                 return SPEED_2500;
 739         case BNXT_LINK_SPEED_10GB:
 740                 return SPEED_10000;
 741         case BNXT_LINK_SPEED_20GB:
 742                 return SPEED_20000;
 743         case BNXT_LINK_SPEED_25GB:
 744                 return SPEED_25000;
 745         case BNXT_LINK_SPEED_40GB:
 746                 return SPEED_40000;
 747         case BNXT_LINK_SPEED_50GB:
 748                 return SPEED_50000;
 749         default:
 750                 return SPEED_UNKNOWN;
 751         }
 752 }
 753
 754 static int bnxt_get_link_ksettings(struct net_device *dev,
 755                                    struct ethtool_link_ksettings *lk_ksettings)
 756 {
 757         struct bnxt *bp = netdev_priv(dev);
 758         struct bnxt_link_info *link_info = &bp->link_info;
 759         struct ethtool_link_settings *base = &lk_ksettings->base;
 760         u32 ethtool_speed;
 761
 762         ethtool_link_ksettings_zero_link_mode(lk_ksettings, supported);
 763         bnxt_fw_to_ethtool_support_spds(link_info, lk_ksettings);
 764
 765         ethtool_link_ksettings_zero_link_mode(lk_ksettings, advertising);
 766         if (link_info->autoneg) {
 767                 bnxt_fw_to_ethtool_advertised_spds(link_info, lk_ksettings);
 768                 ethtool_link_ksettings_add_link_mode(lk_ksettings,
 769                                                      advertising, Autoneg);
 770                 base->autoneg = AUTONEG_ENABLE;
 771                 if (link_info->phy_link_status == BNXT_LINK_LINK)
 772                         bnxt_fw_to_ethtool_lp_adv(link_info, lk_ksettings);
 773                 ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed);
 774                 if (!netif_carrier_ok(dev))
 775                         base->duplex = DUPLEX_UNKNOWN;
 776                 else if (link_info->duplex & BNXT_LINK_DUPLEX_FULL)
 777                         base->duplex = DUPLEX_FULL;
 778                 else
 779                         base->duplex = DUPLEX_HALF;
 780         } else {
 781                 base->autoneg = AUTONEG_DISABLE;
 782                 ethtool_speed =
 783                         bnxt_fw_to_ethtool_speed(link_info->req_link_speed);
 784                 base->duplex = DUPLEX_HALF;
 785                 if (link_info->req_duplex == BNXT_LINK_DUPLEX_FULL)
 786                         base->duplex = DUPLEX_FULL;
 787         }
 788         base->speed = ethtool_speed;
 789
 790         base->port = PORT_NONE;
 791         if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
 792                 base->port = PORT_TP;
 793                 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
 794                                                      TP);
 795                 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
 796                                                      TP);
 797         } else {
 798                 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
 799                                                      FIBRE);
 800                 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
 801                                                      FIBRE);
 802
 803                 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC)
 804                         base->port = PORT_DA;
 805                 else if (link_info->media_type ==
 806                          PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE)
 807                         base->port = PORT_FIBRE;
 808         }
 809         base->phy_address = link_info->phy_addr;
 810
 811         return 0;
 812 }
 813
 814 static u32 bnxt_get_fw_speed(struct net_device *dev, u16 ethtool_speed)
 815 {
 816         struct bnxt *bp = netdev_priv(dev);
 817         struct bnxt_link_info *link_info = &bp->link_info;
 818         u16 support_spds = link_info->support_speeds;
 819         u32 fw_speed = 0;
 820
 821         switch (ethtool_speed) {
 822         case SPEED_100:
 823                 if (support_spds & BNXT_LINK_SPEED_MSK_100MB)
 824                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100MB;
 825                 break;
 826         case SPEED_1000:
 827                 if (support_spds & BNXT_LINK_SPEED_MSK_1GB)
 828                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_1GB;
 829                 break;
 830         case SPEED_2500:
 831                 if (support_spds & BNXT_LINK_SPEED_MSK_2_5GB)
 832                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_2_5GB;
 833                 break;
 834         case SPEED_10000:
 835                 if (support_spds & BNXT_LINK_SPEED_MSK_10GB)
 836                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_10GB;
 837                 break;
 838         case SPEED_20000:
 839                 if (support_spds & BNXT_LINK_SPEED_MSK_20GB)
 840                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_20GB;
 841                 break;
 842         case SPEED_25000:
 843                 if (support_spds & BNXT_LINK_SPEED_MSK_25GB)
 844                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_25GB;
 845                 break;
 846         case SPEED_40000:
 847                 if (support_spds & BNXT_LINK_SPEED_MSK_40GB)
 848                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_40GB;
 849                 break;
 850         case SPEED_50000:
 851                 if (support_spds & BNXT_LINK_SPEED_MSK_50GB)
 852                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB;
 853                 break;
 854         default:
 855                 netdev_err(dev, "unsupported speed!\n");
 856                 break;
 857         }
 858         return fw_speed;
 859 }
 860
 861 u16 bnxt_get_fw_auto_link_speeds(u32 advertising)
 862 {
 863         u16 fw_speed_mask = 0;
 864
 865         /* only support autoneg at speed 100, 1000, and 10000 */
 866         if (advertising & (ADVERTISED_100baseT_Full |
 867                            ADVERTISED_100baseT_Half)) {
 868                 fw_speed_mask |= BNXT_LINK_SPEED_MSK_100MB;
 869         }
 870         if (advertising & (ADVERTISED_1000baseT_Full |
 871                            ADVERTISED_1000baseT_Half)) {
 872                 fw_speed_mask |= BNXT_LINK_SPEED_MSK_1GB;
 873         }
 874         if (advertising & ADVERTISED_10000baseT_Full)
 875                 fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB;
 876
 877         if (advertising & ADVERTISED_40000baseCR4_Full)
 878                 fw_speed_mask |= BNXT_LINK_SPEED_MSK_40GB;
 879
 880         return fw_speed_mask;
 881 }
 882
 883 static int bnxt_set_link_ksettings(struct net_device *dev,
 884                            const struct ethtool_link_ksettings *lk_ksettings)
 885 {
 886         struct bnxt *bp = netdev_priv(dev);
 887         struct bnxt_link_info *link_info = &bp->link_info;
 888         const struct ethtool_link_settings *base = &lk_ksettings->base;
 889         u32 speed, fw_advertising = 0;
 890         bool set_pause = false;
 891         int rc = 0;
 892
 893         if (!BNXT_SINGLE_PF(bp))
 894                 return -EOPNOTSUPP;
 895
 896         if (base->autoneg == AUTONEG_ENABLE) {
 897                 BNXT_ETHTOOL_TO_FW_SPDS(fw_advertising, lk_ksettings,
 898                                         advertising);
 899                 link_info->autoneg |= BNXT_AUTONEG_SPEED;
 900                 if (!fw_advertising)
 901                         link_info->advertising = link_info->support_auto_speeds;
 902                 else
 903                         link_info->advertising = fw_advertising;
 904                 /* any change to autoneg will cause link change, therefore the
 905                  * driver should put back the original pause setting in autoneg
 906                  */
 907                 set_pause = true;
 908         } else {
 909                 u16 fw_speed;
 910                 u8 phy_type = link_info->phy_type;
 911
 912                 if (phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASET  ||
 913                     phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASETE ||
 914                     link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
 915                         netdev_err(dev, "10GBase-T devices must autoneg\n");
 916                         rc = -EINVAL;
 917                         goto set_setting_exit;
 918                 }
 919                 if (base->duplex == DUPLEX_HALF) {
 920                         netdev_err(dev, "HALF DUPLEX is not supported!\n");
 921                         rc = -EINVAL;
 922                         goto set_setting_exit;
 923                 }
 924                 speed = base->speed;
 925                 fw_speed = bnxt_get_fw_speed(dev, speed);
 926                 if (!fw_speed) {
 927                         rc = -EINVAL;
 928                         goto set_setting_exit;
 929                 }
 930                 link_info->req_link_speed = fw_speed;
 931                 link_info->req_duplex = BNXT_LINK_DUPLEX_FULL;
 932                 link_info->autoneg = 0;
 933                 link_info->advertising = 0;
 934         }
 935
 936         if (netif_running(dev))
 937                 rc = bnxt_hwrm_set_link_setting(bp, set_pause, false);
 938
 939 set_setting_exit:
 940         return rc;
 941 }
 942
 943 static void bnxt_get_pauseparam(struct net_device *dev,
 944                                 struct ethtool_pauseparam *epause)
 945 {
 946         struct bnxt *bp = netdev_priv(dev);
 947         struct bnxt_link_info *link_info = &bp->link_info;
 948
 949         if (BNXT_VF(bp))
 950                 return;
 951         epause->autoneg = !!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL);
 952         epause->rx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_RX);
 953         epause->tx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_TX);
 954 }
 955
 956 static int bnxt_set_pauseparam(struct net_device *dev,
 957                                struct ethtool_pauseparam *epause)
 958 {
 959         int rc = 0;
 960         struct bnxt *bp = netdev_priv(dev);
 961         struct bnxt_link_info *link_info = &bp->link_info;
 962
 963         if (!BNXT_SINGLE_PF(bp))
 964                 return rc;
 965
 966         if (epause->autoneg) {
 967                 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
 968                         return -EINVAL;
 969
 970                 link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL;
 971                 if (bp->hwrm_spec_code >= 0x10201)
 972                         link_info->req_flow_ctrl =
 973                                 PORT_PHY_CFG_REQ_AUTO_PAUSE_AUTONEG_PAUSE;
 974         } else {
 975                 /* when transition from auto pause to force pause,
 976                  * force a link change
 977                  */
 978                 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
 979                         link_info->force_link_chng = true;
 980                 link_info->autoneg &= ~BNXT_AUTONEG_FLOW_CTRL;
 981                 link_info->req_flow_ctrl = 0;
 982         }
 983         if (epause->rx_pause)
 984                 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX;
 985
 986         if (epause->tx_pause)
 987                 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX;
 988
 989         if (netif_running(dev))
 990                 rc = bnxt_hwrm_set_pause(bp);
 991         return rc;
 992 }
 993
 994 static u32 bnxt_get_link(struct net_device *dev)
 995 {
 996         struct bnxt *bp = netdev_priv(dev);
 997
 998         /* TODO: handle MF, VF, driver close case */
 999         return bp->link_info.link_up;
1000 }
1001
1002 static int bnxt_flash_nvram(struct net_device *dev,
1003                             u16 dir_type,
1004                             u16 dir_ordinal,
1005                             u16 dir_ext,
1006                             u16 dir_attr,
1007                             const u8 *data,
1008                             size_t data_len)
1009 {
1010         struct bnxt *bp = netdev_priv(dev);
1011         int rc;
1012         struct hwrm_nvm_write_input req = {0};
1013         dma_addr_t dma_handle;
1014         u8 *kmem;
1015
1016         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_WRITE, -1, -1);
1017
1018         req.dir_type = cpu_to_le16(dir_type);
1019         req.dir_ordinal = cpu_to_le16(dir_ordinal);
1020         req.dir_ext = cpu_to_le16(dir_ext);
1021         req.dir_attr = cpu_to_le16(dir_attr);
1022         req.dir_data_length = cpu_to_le32(data_len);
1023
1024         kmem = dma_alloc_coherent(&bp->pdev->dev, data_len, &dma_handle,
1025                                   GFP_KERNEL);
1026         if (!kmem) {
1027                 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1028                            (unsigned)data_len);
1029                 return -ENOMEM;
1030         }
1031         memcpy(kmem, data, data_len);
1032         req.host_src_addr = cpu_to_le64(dma_handle);
1033
1034         rc = hwrm_send_message(bp, &req, sizeof(req), FLASH_NVRAM_TIMEOUT);
1035         dma_free_coherent(&bp->pdev->dev, data_len, kmem, dma_handle);
1036
1037         return rc;
1038 }
1039
1040 static int bnxt_firmware_reset(struct net_device *dev,
1041                                u16 dir_type)
1042 {
1043         struct bnxt *bp = netdev_priv(dev);
1044         struct hwrm_fw_reset_input req = {0};
1045
1046         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1);
1047
1048         /* TODO: Support ASAP ChiMP self-reset (e.g. upon PF driver unload) */
1049         /* TODO: Address self-reset of APE/KONG/BONO/TANG or ungraceful reset */
1050         /*       (e.g. when firmware isn't already running) */
1051         switch (dir_type) {
1052         case BNX_DIR_TYPE_CHIMP_PATCH:
1053         case BNX_DIR_TYPE_BOOTCODE:
1054         case BNX_DIR_TYPE_BOOTCODE_2:
1055                 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT;
1056                 /* Self-reset ChiMP upon next PCIe reset: */
1057                 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
1058                 break;
1059         case BNX_DIR_TYPE_APE_FW:
1060         case BNX_DIR_TYPE_APE_PATCH:
1061                 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT;
1062                 break;
1063         case BNX_DIR_TYPE_KONG_FW:
1064         case BNX_DIR_TYPE_KONG_PATCH:
1065                 req.embedded_proc_type =
1066                         FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL;
1067                 break;
1068         case BNX_DIR_TYPE_BONO_FW:
1069         case BNX_DIR_TYPE_BONO_PATCH:
1070                 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE;
1071                 break;
1072         default:
1073                 return -EINVAL;
1074         }
1075
1076         return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1077 }
1078
1079 static int bnxt_flash_firmware(struct net_device *dev,
1080                                u16 dir_type,
1081                                const u8 *fw_data,
1082                                size_t fw_size)
1083 {
1084         int     rc = 0;
1085         u16     code_type;
1086         u32     stored_crc;
1087         u32     calculated_crc;
1088         struct bnxt_fw_header *header = (struct bnxt_fw_header *)fw_data;
1089
1090         switch (dir_type) {
1091         case BNX_DIR_TYPE_BOOTCODE:
1092         case BNX_DIR_TYPE_BOOTCODE_2:
1093                 code_type = CODE_BOOT;
1094                 break;
1095         case BNX_DIR_TYPE_APE_FW:
1096                 code_type = CODE_MCTP_PASSTHRU;
1097                 break;
1098         default:
1099                 netdev_err(dev, "Unsupported directory entry type: %u\n",
1100                            dir_type);
1101                 return -EINVAL;
1102         }
1103         if (fw_size < sizeof(struct bnxt_fw_header)) {
1104                 netdev_err(dev, "Invalid firmware file size: %u\n",
1105                            (unsigned int)fw_size);
1106                 return -EINVAL;
1107         }
1108         if (header->signature != cpu_to_le32(BNXT_FIRMWARE_BIN_SIGNATURE)) {
1109                 netdev_err(dev, "Invalid firmware signature: %08X\n",
1110                            le32_to_cpu(header->signature));
1111                 return -EINVAL;
1112         }
1113         if (header->code_type != code_type) {
1114                 netdev_err(dev, "Expected firmware type: %d, read: %d\n",
1115                            code_type, header->code_type);
1116                 return -EINVAL;
1117         }
1118         if (header->device != DEVICE_CUMULUS_FAMILY) {
1119                 netdev_err(dev, "Expected firmware device family %d, read: %d\n",
1120                            DEVICE_CUMULUS_FAMILY, header->device);
1121                 return -EINVAL;
1122         }
1123         /* Confirm the CRC32 checksum of the file: */
1124         stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
1125                                              sizeof(stored_crc)));
1126         calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
1127         if (calculated_crc != stored_crc) {
1128                 netdev_err(dev, "Firmware file CRC32 checksum (%08lX) does not match calculated checksum (%08lX)\n",
1129                            (unsigned long)stored_crc,
1130                            (unsigned long)calculated_crc);
1131                 return -EINVAL;
1132         }
1133         /* TODO: Validate digital signature (RSA-encrypted SHA-256 hash) here */
1134         rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1135                               0, 0, fw_data, fw_size);
1136         if (rc == 0)    /* Firmware update successful */
1137                 rc = bnxt_firmware_reset(dev, dir_type);
1138
1139         return rc;
1140 }
1141
1142 static bool bnxt_dir_type_is_ape_bin_format(u16 dir_type)
1143 {
1144         switch (dir_type) {
1145         case BNX_DIR_TYPE_CHIMP_PATCH:
1146         case BNX_DIR_TYPE_BOOTCODE:
1147         case BNX_DIR_TYPE_BOOTCODE_2:
1148         case BNX_DIR_TYPE_APE_FW:
1149         case BNX_DIR_TYPE_APE_PATCH:
1150         case BNX_DIR_TYPE_KONG_FW:
1151         case BNX_DIR_TYPE_KONG_PATCH:
1152                 return true;
1153         }
1154
1155         return false;
1156 }
1157
1158 static bool bnxt_dir_type_is_unprotected_exec_format(u16 dir_type)
1159 {
1160         switch (dir_type) {
1161         case BNX_DIR_TYPE_AVS:
1162         case BNX_DIR_TYPE_EXP_ROM_MBA:
1163         case BNX_DIR_TYPE_PCIE:
1164         case BNX_DIR_TYPE_TSCF_UCODE:
1165         case BNX_DIR_TYPE_EXT_PHY:
1166         case BNX_DIR_TYPE_CCM:
1167         case BNX_DIR_TYPE_ISCSI_BOOT:
1168         case BNX_DIR_TYPE_ISCSI_BOOT_IPV6:
1169         case BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6:
1170                 return true;
1171         }
1172
1173         return false;
1174 }
1175
1176 static bool bnxt_dir_type_is_executable(u16 dir_type)
1177 {
1178         return bnxt_dir_type_is_ape_bin_format(dir_type) ||
1179                 bnxt_dir_type_is_unprotected_exec_format(dir_type);
1180 }
1181
1182 static int bnxt_flash_firmware_from_file(struct net_device *dev,
1183                                          u16 dir_type,
1184                                          const char *filename)
1185 {
1186         const struct firmware  *fw;
1187         int                     rc;
1188
1189         if (bnxt_dir_type_is_executable(dir_type) == false)
1190                 return -EINVAL;
1191
1192         rc = request_firmware(&fw, filename, &dev->dev);
1193         if (rc != 0) {
1194                 netdev_err(dev, "Error %d requesting firmware file: %s\n",
1195                            rc, filename);
1196                 return rc;
1197         }
1198         if (bnxt_dir_type_is_ape_bin_format(dir_type) == true)
1199                 rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size);
1200         else
1201                 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1202                                       0, 0, fw->data, fw->size);
1203         release_firmware(fw);
1204         return rc;
1205 }
1206
1207 static int bnxt_flash_package_from_file(struct net_device *dev,
1208                                         char *filename)
1209 {
1210         netdev_err(dev, "packages are not yet supported\n");
1211         return -EINVAL;
1212 }
1213
1214 static int bnxt_flash_device(struct net_device *dev,
1215                              struct ethtool_flash *flash)
1216 {
1217         if (!BNXT_PF((struct bnxt *)netdev_priv(dev))) {
1218                 netdev_err(dev, "flashdev not supported from a virtual function\n");
1219                 return -EINVAL;
1220         }
1221
1222         if (flash->region == ETHTOOL_FLASH_ALL_REGIONS)
1223                 return bnxt_flash_package_from_file(dev, flash->data);
1224
1225         return bnxt_flash_firmware_from_file(dev, flash->region, flash->data);
1226 }
1227
1228 static int nvm_get_dir_info(struct net_device *dev, u32 *entries, u32 *length)
1229 {
1230         struct bnxt *bp = netdev_priv(dev);
1231         int rc;
1232         struct hwrm_nvm_get_dir_info_input req = {0};
1233         struct hwrm_nvm_get_dir_info_output *output = bp->hwrm_cmd_resp_addr;
1234
1235         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_INFO, -1, -1);
1236
1237         mutex_lock(&bp->hwrm_cmd_lock);
1238         rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1239         if (!rc) {
1240                 *entries = le32_to_cpu(output->entries);
1241                 *length = le32_to_cpu(output->entry_length);
1242         }
1243         mutex_unlock(&bp->hwrm_cmd_lock);
1244         return rc;
1245 }
1246
1247 static int bnxt_get_eeprom_len(struct net_device *dev)
1248 {
1249         /* The -1 return value allows the entire 32-bit range of offsets to be
1250          * passed via the ethtool command-line utility.
1251          */
1252         return -1;
1253 }
1254
1255 static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data)
1256 {
1257         struct bnxt *bp = netdev_priv(dev);
1258         int rc;
1259         u32 dir_entries;
1260         u32 entry_length;
1261         u8 *buf;
1262         size_t buflen;
1263         dma_addr_t dma_handle;
1264         struct hwrm_nvm_get_dir_entries_input req = {0};
1265
1266         rc = nvm_get_dir_info(dev, &dir_entries, &entry_length);
1267         if (rc != 0)
1268                 return rc;
1269
1270         /* Insert 2 bytes of directory info (count and size of entries) */
1271         if (len < 2)
1272                 return -EINVAL;
1273
1274         *data++ = dir_entries;
1275         *data++ = entry_length;
1276         len -= 2;
1277         memset(data, 0xff, len);
1278
1279         buflen = dir_entries * entry_length;
1280         buf = dma_alloc_coherent(&bp->pdev->dev, buflen, &dma_handle,
1281                                  GFP_KERNEL);
1282         if (!buf) {
1283                 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1284                            (unsigned)buflen);
1285                 return -ENOMEM;
1286         }
1287         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_ENTRIES, -1, -1);
1288         req.host_dest_addr = cpu_to_le64(dma_handle);
1289         rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1290         if (rc == 0)
1291                 memcpy(data, buf, len > buflen ? buflen : len);
1292         dma_free_coherent(&bp->pdev->dev, buflen, buf, dma_handle);
1293         return rc;
1294 }
1295
1296 static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset,
1297                                u32 length, u8 *data)
1298 {
1299         struct bnxt *bp = netdev_priv(dev);
1300         int rc;
1301         u8 *buf;
1302         dma_addr_t dma_handle;
1303         struct hwrm_nvm_read_input req = {0};
1304
1305         buf = dma_alloc_coherent(&bp->pdev->dev, length, &dma_handle,
1306                                  GFP_KERNEL);
1307         if (!buf) {
1308                 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1309                            (unsigned)length);
1310                 return -ENOMEM;
1311         }
1312         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_READ, -1, -1);
1313         req.host_dest_addr = cpu_to_le64(dma_handle);
1314         req.dir_idx = cpu_to_le16(index);
1315         req.offset = cpu_to_le32(offset);
1316         req.len = cpu_to_le32(length);
1317
1318         rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1319         if (rc == 0)
1320                 memcpy(data, buf, length);
1321         dma_free_coherent(&bp->pdev->dev, length, buf, dma_handle);
1322         return rc;
1323 }
1324
1325 static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
1326                                 u16 ext, u16 *index, u32 *item_length,
1327                                 u32 *data_length)
1328 {
1329         struct bnxt *bp = netdev_priv(dev);
1330         int rc;
1331         struct hwrm_nvm_find_dir_entry_input req = {0};
1332         struct hwrm_nvm_find_dir_entry_output *output = bp->hwrm_cmd_resp_addr;
1333
1334         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_FIND_DIR_ENTRY, -1, -1);
1335         req.enables = 0;
1336         req.dir_idx = 0;
1337         req.dir_type = cpu_to_le16(type);
1338         req.dir_ordinal = cpu_to_le16(ordinal);
1339         req.dir_ext = cpu_to_le16(ext);
1340         req.opt_ordinal = NVM_FIND_DIR_ENTRY_REQ_OPT_ORDINAL_EQ;
1341         rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1342         if (rc == 0) {
1343                 if (index)
1344                         *index = le16_to_cpu(output->dir_idx);
1345                 if (item_length)
1346                         *item_length = le32_to_cpu(output->dir_item_length);
1347                 if (data_length)
1348                         *data_length = le32_to_cpu(output->dir_data_length);
1349         }
1350         return rc;
1351 }
1352
1353 static char *bnxt_parse_pkglog(int desired_field, u8 *data, size_t datalen)
1354 {
1355         char    *retval = NULL;
1356         char    *p;
1357         char    *value;
1358         int     field = 0;
1359
1360         if (datalen < 1)
1361                 return NULL;
1362         /* null-terminate the log data (removing last '\n'): */
1363         data[datalen - 1] = 0;
1364         for (p = data; *p != 0; p++) {
1365                 field = 0;
1366                 retval = NULL;
1367                 while (*p != 0 && *p != '\n') {
1368                         value = p;
1369                         while (*p != 0 && *p != '\t' && *p != '\n')
1370                                 p++;
1371                         if (field == desired_field)
1372                                 retval = value;
1373                         if (*p != '\t')
1374                                 break;
1375                         *p = 0;
1376                         field++;
1377                         p++;
1378                 }
1379                 if (*p == 0)
1380                         break;
1381                 *p = 0;
1382         }
1383         return retval;
1384 }
1385
1386 static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen)
1387 {
1388         u16 index = 0;
1389         u32 datalen;
1390
1391         if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG,
1392                                  BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
1393                                  &index, NULL, &datalen) != 0)
1394                 return NULL;
1395
1396         memset(buf, 0, buflen);
1397         if (bnxt_get_nvram_item(dev, index, 0, datalen, buf) != 0)
1398                 return NULL;
1399
1400         return bnxt_parse_pkglog(BNX_PKG_LOG_FIELD_IDX_PKG_VERSION, buf,
1401                 datalen);
1402 }
1403
1404 static int bnxt_get_eeprom(struct net_device *dev,
1405                            struct ethtool_eeprom *eeprom,
1406                            u8 *data)
1407 {
1408         u32 index;
1409         u32 offset;
1410
1411         if (eeprom->offset == 0) /* special offset value to get directory */
1412                 return bnxt_get_nvram_directory(dev, eeprom->len, data);
1413
1414         index = eeprom->offset >> 24;
1415         offset = eeprom->offset & 0xffffff;
1416
1417         if (index == 0) {
1418                 netdev_err(dev, "unsupported index value: %d\n", index);
1419                 return -EINVAL;
1420         }
1421
1422         return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data);
1423 }
1424
1425 static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index)
1426 {
1427         struct bnxt *bp = netdev_priv(dev);
1428         struct hwrm_nvm_erase_dir_entry_input req = {0};
1429
1430         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_ERASE_DIR_ENTRY, -1, -1);
1431         req.dir_idx = cpu_to_le16(index);
1432         return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1433 }
1434
1435 static int bnxt_set_eeprom(struct net_device *dev,
1436                            struct ethtool_eeprom *eeprom,
1437                            u8 *data)
1438 {
1439         struct bnxt *bp = netdev_priv(dev);
1440         u8 index, dir_op;
1441         u16 type, ext, ordinal, attr;
1442
1443         if (!BNXT_PF(bp)) {
1444                 netdev_err(dev, "NVM write not supported from a virtual function\n");
1445                 return -EINVAL;
1446         }
1447
1448         type = eeprom->magic >> 16;
1449
1450         if (type == 0xffff) { /* special value for directory operations */
1451                 index = eeprom->magic & 0xff;
1452                 dir_op = eeprom->magic >> 8;
1453                 if (index == 0)
1454                         return -EINVAL;
1455                 switch (dir_op) {
1456                 case 0x0e: /* erase */
1457                         if (eeprom->offset != ~eeprom->magic)
1458                                 return -EINVAL;
1459                         return bnxt_erase_nvram_directory(dev, index - 1);
1460                 default:
1461                         return -EINVAL;
1462                 }
1463         }
1464
1465         /* Create or re-write an NVM item: */
1466         if (bnxt_dir_type_is_executable(type) == true)
1467                 return -EINVAL;
1468         ext = eeprom->magic & 0xffff;
1469         ordinal = eeprom->offset >> 16;
1470         attr = eeprom->offset & 0xffff;
1471
1472         return bnxt_flash_nvram(dev, type, ordinal, ext, attr, data,
1473                                 eeprom->len);
1474 }
1475
1476 static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata)
1477 {
1478         struct bnxt *bp = netdev_priv(dev);
1479         struct ethtool_eee *eee = &bp->eee;
1480         struct bnxt_link_info *link_info = &bp->link_info;
1481         u32 advertising =
1482                  _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0);
1483         int rc = 0;
1484
1485         if (!BNXT_SINGLE_PF(bp))
1486                 return 0;
1487
1488         if (!(bp->flags & BNXT_FLAG_EEE_CAP))
1489                 return -EOPNOTSUPP;
1490
1491         if (!edata->eee_enabled)
1492                 goto eee_ok;
1493
1494         if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) {
1495                 netdev_warn(dev, "EEE requires autoneg\n");
1496                 return -EINVAL;
1497         }
1498         if (edata->tx_lpi_enabled) {
1499                 if (bp->lpi_tmr_hi && (edata->tx_lpi_timer > bp->lpi_tmr_hi ||
1500                                        edata->tx_lpi_timer < bp->lpi_tmr_lo)) {
1501                         netdev_warn(dev, "Valid LPI timer range is %d and %d microsecs\n",
1502                                     bp->lpi_tmr_lo, bp->lpi_tmr_hi);
1503                         return -EINVAL;
1504                 } else if (!bp->lpi_tmr_hi) {
1505                         edata->tx_lpi_timer = eee->tx_lpi_timer;
1506                 }
1507         }
1508         if (!edata->advertised) {
1509                 edata->advertised = advertising & eee->supported;
1510         } else if (edata->advertised & ~advertising) {
1511                 netdev_warn(dev, "EEE advertised %x must be a subset of autoneg advertised speeds %x\n",
1512                             edata->advertised, advertising);
1513                 return -EINVAL;
1514         }
1515
1516         eee->advertised = edata->advertised;
1517         eee->tx_lpi_enabled = edata->tx_lpi_enabled;
1518         eee->tx_lpi_timer = edata->tx_lpi_timer;
1519 eee_ok:
1520         eee->eee_enabled = edata->eee_enabled;
1521
1522         if (netif_running(dev))
1523                 rc = bnxt_hwrm_set_link_setting(bp, false, true);
1524
1525         return rc;
1526 }
1527
1528 static int bnxt_get_eee(struct net_device *dev, struct ethtool_eee *edata)
1529 {
1530         struct bnxt *bp = netdev_priv(dev);
1531
1532         if (!(bp->flags & BNXT_FLAG_EEE_CAP))
1533                 return -EOPNOTSUPP;
1534
1535         *edata = bp->eee;
1536         if (!bp->eee.eee_enabled) {
1537                 /* Preserve tx_lpi_timer so that the last value will be used
1538                  * by default when it is re-enabled.
1539                  */
1540                 edata->advertised = 0;
1541                 edata->tx_lpi_enabled = 0;
1542         }
1543
1544         if (!bp->eee.eee_active)
1545                 edata->lp_advertised = 0;
1546
1547         return 0;
1548 }
1549
1550 static int bnxt_read_sfp_module_eeprom_info(struct bnxt *bp, u16 i2c_addr,
1551                                             u16 page_number, u16 start_addr,
1552                                             u16 data_length, u8 *buf)
1553 {
1554         struct hwrm_port_phy_i2c_read_input req = {0};
1555         struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr;
1556         int rc, byte_offset = 0;
1557
1558         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1);
1559         req.i2c_slave_addr = i2c_addr;
1560         req.page_number = cpu_to_le16(page_number);
1561         req.port_id = cpu_to_le16(bp->pf.port_id);
1562         do {
1563                 u16 xfer_size;
1564
1565                 xfer_size = min_t(u16, data_length, BNXT_MAX_PHY_I2C_RESP_SIZE);
1566                 data_length -= xfer_size;
1567                 req.page_offset = cpu_to_le16(start_addr + byte_offset);
1568                 req.data_length = xfer_size;
1569                 req.enables = cpu_to_le32(start_addr + byte_offset ?
1570                                  PORT_PHY_I2C_READ_REQ_ENABLES_PAGE_OFFSET : 0);
1571                 mutex_lock(&bp->hwrm_cmd_lock);
1572                 rc = _hwrm_send_message(bp, &req, sizeof(req),
1573                                         HWRM_CMD_TIMEOUT);
1574                 if (!rc)
1575                         memcpy(buf + byte_offset, output->data, xfer_size);
1576                 mutex_unlock(&bp->hwrm_cmd_lock);
1577                 byte_offset += xfer_size;
1578         } while (!rc && data_length > 0);
1579
1580         return rc;
1581 }
1582
1583 static int bnxt_get_module_info(struct net_device *dev,
1584                                 struct ethtool_modinfo *modinfo)
1585 {
1586         struct bnxt *bp = netdev_priv(dev);
1587         struct hwrm_port_phy_i2c_read_input req = {0};
1588         struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr;
1589         int rc;
1590
1591         /* No point in going further if phy status indicates
1592          * module is not inserted or if it is powered down or
1593          * if it is of type 10GBase-T
1594          */
1595         if (bp->link_info.module_status >
1596                 PORT_PHY_QCFG_RESP_MODULE_STATUS_WARNINGMSG)
1597                 return -EOPNOTSUPP;
1598
1599         /* This feature is not supported in older firmware versions */
1600         if (bp->hwrm_spec_code < 0x10202)
1601                 return -EOPNOTSUPP;
1602
1603         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1);
1604         req.i2c_slave_addr = I2C_DEV_ADDR_A0;
1605         req.page_number = 0;
1606         req.page_offset = cpu_to_le16(SFP_EEPROM_SFF_8472_COMP_ADDR);
1607         req.data_length = SFP_EEPROM_SFF_8472_COMP_SIZE;
1608         req.port_id = cpu_to_le16(bp->pf.port_id);
1609         mutex_lock(&bp->hwrm_cmd_lock);
1610         rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1611         if (!rc) {
1612                 u32 module_id = le32_to_cpu(output->data[0]);
1613
1614                 switch (module_id) {
1615                 case SFF_MODULE_ID_SFP:
1616                         modinfo->type = ETH_MODULE_SFF_8472;
1617                         modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
1618                         break;
1619                 case SFF_MODULE_ID_QSFP:
1620                 case SFF_MODULE_ID_QSFP_PLUS:
1621                         modinfo->type = ETH_MODULE_SFF_8436;
1622                         modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
1623                         break;
1624                 case SFF_MODULE_ID_QSFP28:
1625                         modinfo->type = ETH_MODULE_SFF_8636;
1626                         modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
1627                         break;
1628                 default:
1629                         rc = -EOPNOTSUPP;
1630                         break;
1631                 }
1632         }
1633         mutex_unlock(&bp->hwrm_cmd_lock);
1634         return rc;
1635 }
1636
1637 static int bnxt_get_module_eeprom(struct net_device *dev,
1638                                   struct ethtool_eeprom *eeprom,
1639                                   u8 *data)
1640 {
1641         struct bnxt *bp = netdev_priv(dev);
1642         u16  start = eeprom->offset, length = eeprom->len;
1643         int rc;
1644
1645         memset(data, 0, eeprom->len);
1646
1647         /* Read A0 portion of the EEPROM */
1648         if (start < ETH_MODULE_SFF_8436_LEN) {
1649                 if (start + eeprom->len > ETH_MODULE_SFF_8436_LEN)
1650                         length = ETH_MODULE_SFF_8436_LEN - start;
1651                 rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0,
1652                                                       start, length, data);
1653                 if (rc)
1654                         return rc;
1655                 start += length;
1656                 data += length;
1657                 length = eeprom->len - length;
1658         }
1659
1660         /* Read A2 portion of the EEPROM */
1661         if (length) {
1662                 start -= ETH_MODULE_SFF_8436_LEN;
1663                 bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A2, 1, start,
1664                                                  length, data);
1665         }
1666         return rc;
1667 }
1668
1669 const struct ethtool_ops bnxt_ethtool_ops = {
1670         .get_link_ksettings     = bnxt_get_link_ksettings,
1671         .set_link_ksettings     = bnxt_set_link_ksettings,
1672         .get_pauseparam         = bnxt_get_pauseparam,
1673         .set_pauseparam         = bnxt_set_pauseparam,
1674         .get_drvinfo            = bnxt_get_drvinfo,
1675         .get_coalesce           = bnxt_get_coalesce,
1676         .set_coalesce           = bnxt_set_coalesce,
1677         .get_msglevel           = bnxt_get_msglevel,
1678         .set_msglevel           = bnxt_set_msglevel,
1679         .get_sset_count         = bnxt_get_sset_count,
1680         .get_strings            = bnxt_get_strings,
1681         .get_ethtool_stats      = bnxt_get_ethtool_stats,
1682         .set_ringparam          = bnxt_set_ringparam,
1683         .get_ringparam          = bnxt_get_ringparam,
1684         .get_channels           = bnxt_get_channels,
1685         .set_channels           = bnxt_set_channels,
1686 #ifdef CONFIG_RFS_ACCEL
1687         .get_rxnfc              = bnxt_get_rxnfc,
1688 #endif
1689         .get_rxfh_indir_size    = bnxt_get_rxfh_indir_size,
1690         .get_rxfh_key_size      = bnxt_get_rxfh_key_size,
1691         .get_rxfh               = bnxt_get_rxfh,
1692         .flash_device           = bnxt_flash_device,
1693         .get_eeprom_len         = bnxt_get_eeprom_len,
1694         .get_eeprom             = bnxt_get_eeprom,
1695         .set_eeprom             = bnxt_set_eeprom,
1696         .get_link               = bnxt_get_link,
1697         .get_eee                = bnxt_get_eee,
1698         .set_eee                = bnxt_set_eee,
1699         .get_module_info        = bnxt_get_module_info,
1700         .get_module_eeprom      = bnxt_get_module_eeprom,
1701 };