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         bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, false);
 331         tcs = netdev_get_num_tc(dev);
 332         if (tcs > 1)
 333                 max_tx_rings /= tcs;
 334
 335         channel->max_rx = max_rx_rings;
 336         channel->max_tx = max_tx_rings;
 337         channel->max_other = 0;
 338         if (bp->flags & BNXT_FLAG_SHARED_RINGS) {
 339                 channel->combined_count = bp->rx_nr_rings;
 340         } else {
 341                 channel->rx_count = bp->rx_nr_rings;
 342                 channel->tx_count = bp->tx_nr_rings_per_tc;
 343         }
 344 }
 345
 346 static int bnxt_set_channels(struct net_device *dev,
 347                              struct ethtool_channels *channel)
 348 {
 349         struct bnxt *bp = netdev_priv(dev);
 350         int max_rx_rings, max_tx_rings, tcs;
 351         u32 rc = 0;
 352         bool sh = false;
 353
 354         if (channel->other_count)
 355                 return -EINVAL;
 356
 357         if (!channel->combined_count &&
 358             (!channel->rx_count || !channel->tx_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                 sh = true;
 367
 368         bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, sh);
 369
 370         tcs = netdev_get_num_tc(dev);
 371         if (tcs > 1)
 372                 max_tx_rings /= tcs;
 373
 374         if (sh && (channel->combined_count > max_rx_rings ||
 375                    channel->combined_count > max_tx_rings))
 376                 return -ENOMEM;
 377
 378         if (!sh && (channel->rx_count > max_rx_rings ||
 379                     channel->tx_count > max_tx_rings))
 380                 return -ENOMEM;
 381
 382         if (netif_running(dev)) {
 383                 if (BNXT_PF(bp)) {
 384                         /* TODO CHIMP_FW: Send message to all VF's
 385                          * before PF unload
 386                          */
 387                 }
 388                 rc = bnxt_close_nic(bp, true, false);
 389                 if (rc) {
 390                         netdev_err(bp->dev, "Set channel failure rc :%x\n",
 391                                    rc);
 392                         return rc;
 393                 }
 394         }
 395
 396         if (sh) {
 397                 bp->flags |= BNXT_FLAG_SHARED_RINGS;
 398                 bp->rx_nr_rings = channel->combined_count;
 399                 bp->tx_nr_rings_per_tc = channel->combined_count;
 400         } else {
 401                 bp->flags &= ~BNXT_FLAG_SHARED_RINGS;
 402                 bp->rx_nr_rings = channel->rx_count;
 403                 bp->tx_nr_rings_per_tc = channel->tx_count;
 404         }
 405
 406         bp->tx_nr_rings = bp->tx_nr_rings_per_tc;
 407         if (tcs > 1)
 408                 bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs;
 409
 410         bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) :
 411                                bp->tx_nr_rings + bp->rx_nr_rings;
 412
 413         bp->num_stat_ctxs = bp->cp_nr_rings;
 414
 415         /* After changing number of rx channels, update NTUPLE feature. */
 416         netdev_update_features(dev);
 417         if (netif_running(dev)) {
 418                 rc = bnxt_open_nic(bp, true, false);
 419                 if ((!rc) && BNXT_PF(bp)) {
 420                         /* TODO CHIMP_FW: Send message to all VF's
 421                          * to renable
 422                          */
 423                 }
 424         }
 425
 426         return rc;
 427 }
 428
 429 #ifdef CONFIG_RFS_ACCEL
 430 static int bnxt_grxclsrlall(struct bnxt *bp, struct ethtool_rxnfc *cmd,
 431                             u32 *rule_locs)
 432 {
 433         int i, j = 0;
 434
 435         cmd->data = bp->ntp_fltr_count;
 436         for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
 437                 struct hlist_head *head;
 438                 struct bnxt_ntuple_filter *fltr;
 439
 440                 head = &bp->ntp_fltr_hash_tbl[i];
 441                 rcu_read_lock();
 442                 hlist_for_each_entry_rcu(fltr, head, hash) {
 443                         if (j == cmd->rule_cnt)
 444                                 break;
 445                         rule_locs[j++] = fltr->sw_id;
 446                 }
 447                 rcu_read_unlock();
 448                 if (j == cmd->rule_cnt)
 449                         break;
 450         }
 451         cmd->rule_cnt = j;
 452         return 0;
 453 }
 454
 455 static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd)
 456 {
 457         struct ethtool_rx_flow_spec *fs =
 458                 (struct ethtool_rx_flow_spec *)&cmd->fs;
 459         struct bnxt_ntuple_filter *fltr;
 460         struct flow_keys *fkeys;
 461         int i, rc = -EINVAL;
 462
 463         if (fs->location < 0 || fs->location >= BNXT_NTP_FLTR_MAX_FLTR)
 464                 return rc;
 465
 466         for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
 467                 struct hlist_head *head;
 468
 469                 head = &bp->ntp_fltr_hash_tbl[i];
 470                 rcu_read_lock();
 471                 hlist_for_each_entry_rcu(fltr, head, hash) {
 472                         if (fltr->sw_id == fs->location)
 473                                 goto fltr_found;
 474                 }
 475                 rcu_read_unlock();
 476         }
 477         return rc;
 478
 479 fltr_found:
 480         fkeys = &fltr->fkeys;
 481         if (fkeys->basic.ip_proto == IPPROTO_TCP)
 482                 fs->flow_type = TCP_V4_FLOW;
 483         else if (fkeys->basic.ip_proto == IPPROTO_UDP)
 484                 fs->flow_type = UDP_V4_FLOW;
 485         else
 486                 goto fltr_err;
 487
 488         fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src;
 489         fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0);
 490
 491         fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst;
 492         fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0);
 493
 494         fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src;
 495         fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0);
 496
 497         fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst;
 498         fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0);
 499
 500         fs->ring_cookie = fltr->rxq;
 501         rc = 0;
 502
 503 fltr_err:
 504         rcu_read_unlock();
 505
 506         return rc;
 507 }
 508
 509 static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
 510                           u32 *rule_locs)
 511 {
 512         struct bnxt *bp = netdev_priv(dev);
 513         int rc = 0;
 514
 515         switch (cmd->cmd) {
 516         case ETHTOOL_GRXRINGS:
 517                 cmd->data = bp->rx_nr_rings;
 518                 break;
 519
 520         case ETHTOOL_GRXCLSRLCNT:
 521                 cmd->rule_cnt = bp->ntp_fltr_count;
 522                 cmd->data = BNXT_NTP_FLTR_MAX_FLTR;
 523                 break;
 524
 525         case ETHTOOL_GRXCLSRLALL:
 526                 rc = bnxt_grxclsrlall(bp, cmd, (u32 *)rule_locs);
 527                 break;
 528
 529         case ETHTOOL_GRXCLSRULE:
 530                 rc = bnxt_grxclsrule(bp, cmd);
 531                 break;
 532
 533         default:
 534                 rc = -EOPNOTSUPP;
 535                 break;
 536         }
 537
 538         return rc;
 539 }
 540 #endif
 541
 542 static u32 bnxt_get_rxfh_indir_size(struct net_device *dev)
 543 {
 544         return HW_HASH_INDEX_SIZE;
 545 }
 546
 547 static u32 bnxt_get_rxfh_key_size(struct net_device *dev)
 548 {
 549         return HW_HASH_KEY_SIZE;
 550 }
 551
 552 static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
 553                          u8 *hfunc)
 554 {
 555         struct bnxt *bp = netdev_priv(dev);
 556         struct bnxt_vnic_info *vnic = &bp->vnic_info[0];
 557         int i = 0;
 558
 559         if (hfunc)
 560                 *hfunc = ETH_RSS_HASH_TOP;
 561
 562         if (indir)
 563                 for (i = 0; i < HW_HASH_INDEX_SIZE; i++)
 564                         indir[i] = le16_to_cpu(vnic->rss_table[i]);
 565
 566         if (key)
 567                 memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE);
 568
 569         return 0;
 570 }
 571
 572 static void bnxt_get_drvinfo(struct net_device *dev,
 573                              struct ethtool_drvinfo *info)
 574 {
 575         struct bnxt *bp = netdev_priv(dev);
 576         char *pkglog;
 577         char *pkgver = NULL;
 578
 579         pkglog = kmalloc(BNX_PKG_LOG_MAX_LENGTH, GFP_KERNEL);
 580         if (pkglog)
 581                 pkgver = bnxt_get_pkgver(dev, pkglog, BNX_PKG_LOG_MAX_LENGTH);
 582         strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
 583         strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
 584         if (pkgver && *pkgver != 0 && isdigit(*pkgver))
 585                 snprintf(info->fw_version, sizeof(info->fw_version) - 1,
 586                          "%s pkg %s", bp->fw_ver_str, pkgver);
 587         else
 588                 strlcpy(info->fw_version, bp->fw_ver_str,
 589                         sizeof(info->fw_version));
 590         strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
 591         info->n_stats = BNXT_NUM_STATS * bp->cp_nr_rings;
 592         info->testinfo_len = BNXT_NUM_TESTS(bp);
 593         /* TODO CHIMP_FW: eeprom dump details */
 594         info->eedump_len = 0;
 595         /* TODO CHIMP FW: reg dump details */
 596         info->regdump_len = 0;
 597         kfree(pkglog);
 598 }
 599
 600 u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause)
 601 {
 602         u32 speed_mask = 0;
 603
 604         /* TODO: support 25GB, 40GB, 50GB with different cable type */
 605         /* set the advertised speeds */
 606         if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB)
 607                 speed_mask |= ADVERTISED_100baseT_Full;
 608         if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB)
 609                 speed_mask |= ADVERTISED_1000baseT_Full;
 610         if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB)
 611                 speed_mask |= ADVERTISED_2500baseX_Full;
 612         if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB)
 613                 speed_mask |= ADVERTISED_10000baseT_Full;
 614         if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB)
 615                 speed_mask |= ADVERTISED_40000baseCR4_Full;
 616
 617         if ((fw_pause & BNXT_LINK_PAUSE_BOTH) == BNXT_LINK_PAUSE_BOTH)
 618                 speed_mask |= ADVERTISED_Pause;
 619         else if (fw_pause & BNXT_LINK_PAUSE_TX)
 620                 speed_mask |= ADVERTISED_Asym_Pause;
 621         else if (fw_pause & BNXT_LINK_PAUSE_RX)
 622                 speed_mask |= ADVERTISED_Pause | ADVERTISED_Asym_Pause;
 623
 624         return speed_mask;
 625 }
 626
 627 static u32 bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info)
 628 {
 629         u16 fw_speeds = link_info->auto_link_speeds;
 630         u8 fw_pause = 0;
 631
 632         if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
 633                 fw_pause = link_info->auto_pause_setting;
 634
 635         return _bnxt_fw_to_ethtool_adv_spds(fw_speeds, fw_pause);
 636 }
 637
 638 static u32 bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info)
 639 {
 640         u16 fw_speeds = link_info->lp_auto_link_speeds;
 641         u8 fw_pause = 0;
 642
 643         if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
 644                 fw_pause = link_info->lp_pause;
 645
 646         return _bnxt_fw_to_ethtool_adv_spds(fw_speeds, fw_pause);
 647 }
 648
 649 static u32 bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info)
 650 {
 651         u16 fw_speeds = link_info->support_speeds;
 652         u32 supported;
 653
 654         supported = _bnxt_fw_to_ethtool_adv_spds(fw_speeds, 0);
 655         return supported | SUPPORTED_Pause | SUPPORTED_Asym_Pause;
 656 }
 657
 658 u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed)
 659 {
 660         switch (fw_link_speed) {
 661         case BNXT_LINK_SPEED_100MB:
 662                 return SPEED_100;
 663         case BNXT_LINK_SPEED_1GB:
 664                 return SPEED_1000;
 665         case BNXT_LINK_SPEED_2_5GB:
 666                 return SPEED_2500;
 667         case BNXT_LINK_SPEED_10GB:
 668                 return SPEED_10000;
 669         case BNXT_LINK_SPEED_20GB:
 670                 return SPEED_20000;
 671         case BNXT_LINK_SPEED_25GB:
 672                 return SPEED_25000;
 673         case BNXT_LINK_SPEED_40GB:
 674                 return SPEED_40000;
 675         case BNXT_LINK_SPEED_50GB:
 676                 return SPEED_50000;
 677         default:
 678                 return SPEED_UNKNOWN;
 679         }
 680 }
 681
 682 static int bnxt_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
 683 {
 684         struct bnxt *bp = netdev_priv(dev);
 685         struct bnxt_link_info *link_info = &bp->link_info;
 686         u16 ethtool_speed;
 687
 688         cmd->supported = bnxt_fw_to_ethtool_support_spds(link_info);
 689
 690         if (link_info->auto_link_speeds)
 691                 cmd->supported |= SUPPORTED_Autoneg;
 692
 693         if (link_info->autoneg) {
 694                 cmd->advertising =
 695                         bnxt_fw_to_ethtool_advertised_spds(link_info);
 696                 cmd->advertising |= ADVERTISED_Autoneg;
 697                 cmd->autoneg = AUTONEG_ENABLE;
 698                 if (link_info->phy_link_status == BNXT_LINK_LINK)
 699                         cmd->lp_advertising =
 700                                 bnxt_fw_to_ethtool_lp_adv(link_info);
 701         } else {
 702                 cmd->autoneg = AUTONEG_DISABLE;
 703                 cmd->advertising = 0;
 704         }
 705
 706         cmd->port = PORT_NONE;
 707         if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
 708                 cmd->port = PORT_TP;
 709                 cmd->supported |= SUPPORTED_TP;
 710                 cmd->advertising |= ADVERTISED_TP;
 711         } else {
 712                 cmd->supported |= SUPPORTED_FIBRE;
 713                 cmd->advertising |= ADVERTISED_FIBRE;
 714
 715                 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC)
 716                         cmd->port = PORT_DA;
 717                 else if (link_info->media_type ==
 718                          PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE)
 719                         cmd->port = PORT_FIBRE;
 720         }
 721
 722         if (link_info->phy_link_status == BNXT_LINK_LINK) {
 723                 if (link_info->duplex & BNXT_LINK_DUPLEX_FULL)
 724                         cmd->duplex = DUPLEX_FULL;
 725         } else {
 726                 cmd->duplex = DUPLEX_UNKNOWN;
 727         }
 728         ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed);
 729         ethtool_cmd_speed_set(cmd, ethtool_speed);
 730         if (link_info->transceiver ==
 731             PORT_PHY_QCFG_RESP_XCVR_PKG_TYPE_XCVR_INTERNAL)
 732                 cmd->transceiver = XCVR_INTERNAL;
 733         else
 734                 cmd->transceiver = XCVR_EXTERNAL;
 735         cmd->phy_address = link_info->phy_addr;
 736
 737         return 0;
 738 }
 739
 740 static u32 bnxt_get_fw_speed(struct net_device *dev, u16 ethtool_speed)
 741 {
 742         struct bnxt *bp = netdev_priv(dev);
 743         struct bnxt_link_info *link_info = &bp->link_info;
 744         u16 support_spds = link_info->support_speeds;
 745         u32 fw_speed = 0;
 746
 747         switch (ethtool_speed) {
 748         case SPEED_100:
 749                 if (support_spds & BNXT_LINK_SPEED_MSK_100MB)
 750                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100MB;
 751                 break;
 752         case SPEED_1000:
 753                 if (support_spds & BNXT_LINK_SPEED_MSK_1GB)
 754                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_1GB;
 755                 break;
 756         case SPEED_2500:
 757                 if (support_spds & BNXT_LINK_SPEED_MSK_2_5GB)
 758                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_2_5GB;
 759                 break;
 760         case SPEED_10000:
 761                 if (support_spds & BNXT_LINK_SPEED_MSK_10GB)
 762                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_10GB;
 763                 break;
 764         case SPEED_20000:
 765                 if (support_spds & BNXT_LINK_SPEED_MSK_20GB)
 766                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_20GB;
 767                 break;
 768         case SPEED_25000:
 769                 if (support_spds & BNXT_LINK_SPEED_MSK_25GB)
 770                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_25GB;
 771                 break;
 772         case SPEED_40000:
 773                 if (support_spds & BNXT_LINK_SPEED_MSK_40GB)
 774                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_40GB;
 775                 break;
 776         case SPEED_50000:
 777                 if (support_spds & BNXT_LINK_SPEED_MSK_50GB)
 778                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB;
 779                 break;
 780         default:
 781                 netdev_err(dev, "unsupported speed!\n");
 782                 break;
 783         }
 784         return fw_speed;
 785 }
 786
 787 u16 bnxt_get_fw_auto_link_speeds(u32 advertising)
 788 {
 789         u16 fw_speed_mask = 0;
 790
 791         /* only support autoneg at speed 100, 1000, and 10000 */
 792         if (advertising & (ADVERTISED_100baseT_Full |
 793                            ADVERTISED_100baseT_Half)) {
 794                 fw_speed_mask |= BNXT_LINK_SPEED_MSK_100MB;
 795         }
 796         if (advertising & (ADVERTISED_1000baseT_Full |
 797                            ADVERTISED_1000baseT_Half)) {
 798                 fw_speed_mask |= BNXT_LINK_SPEED_MSK_1GB;
 799         }
 800         if (advertising & ADVERTISED_10000baseT_Full)
 801                 fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB;
 802
 803         if (advertising & ADVERTISED_40000baseCR4_Full)
 804                 fw_speed_mask |= BNXT_LINK_SPEED_MSK_40GB;
 805
 806         return fw_speed_mask;
 807 }
 808
 809 static int bnxt_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
 810 {
 811         int rc = 0;
 812         struct bnxt *bp = netdev_priv(dev);
 813         struct bnxt_link_info *link_info = &bp->link_info;
 814         u32 speed, fw_advertising = 0;
 815         bool set_pause = false;
 816
 817         if (BNXT_VF(bp))
 818                 return rc;
 819
 820         if (cmd->autoneg == AUTONEG_ENABLE) {
 821                 u32 supported_spds = bnxt_fw_to_ethtool_support_spds(link_info);
 822
 823                 if (cmd->advertising & ~(supported_spds | ADVERTISED_Autoneg |
 824                                          ADVERTISED_TP | ADVERTISED_FIBRE)) {
 825                         netdev_err(dev, "Unsupported advertising mask (adv: 0x%x)\n",
 826                                    cmd->advertising);
 827                         rc = -EINVAL;
 828                         goto set_setting_exit;
 829                 }
 830                 fw_advertising = bnxt_get_fw_auto_link_speeds(cmd->advertising);
 831                 if (fw_advertising & ~link_info->support_speeds) {
 832                         netdev_err(dev, "Advertising parameters are not supported! (adv: 0x%x)\n",
 833                                    cmd->advertising);
 834                         rc = -EINVAL;
 835                         goto set_setting_exit;
 836                 }
 837                 link_info->autoneg |= BNXT_AUTONEG_SPEED;
 838                 if (!fw_advertising)
 839                         link_info->advertising = link_info->support_speeds;
 840                 else
 841                         link_info->advertising = fw_advertising;
 842                 /* any change to autoneg will cause link change, therefore the
 843                  * driver should put back the original pause setting in autoneg
 844                  */
 845                 set_pause = true;
 846         } else {
 847                 u16 fw_speed;
 848
 849                 /* TODO: currently don't support half duplex */
 850                 if (cmd->duplex == DUPLEX_HALF) {
 851                         netdev_err(dev, "HALF DUPLEX is not supported!\n");
 852                         rc = -EINVAL;
 853                         goto set_setting_exit;
 854                 }
 855                 /* If received a request for an unknown duplex, assume full*/
 856                 if (cmd->duplex == DUPLEX_UNKNOWN)
 857                         cmd->duplex = DUPLEX_FULL;
 858                 speed = ethtool_cmd_speed(cmd);
 859                 fw_speed = bnxt_get_fw_speed(dev, speed);
 860                 if (!fw_speed) {
 861                         rc = -EINVAL;
 862                         goto set_setting_exit;
 863                 }
 864                 link_info->req_link_speed = fw_speed;
 865                 link_info->req_duplex = BNXT_LINK_DUPLEX_FULL;
 866                 link_info->autoneg = 0;
 867                 link_info->advertising = 0;
 868         }
 869
 870         if (netif_running(dev))
 871                 rc = bnxt_hwrm_set_link_setting(bp, set_pause, false);
 872
 873 set_setting_exit:
 874         return rc;
 875 }
 876
 877 static void bnxt_get_pauseparam(struct net_device *dev,
 878                                 struct ethtool_pauseparam *epause)
 879 {
 880         struct bnxt *bp = netdev_priv(dev);
 881         struct bnxt_link_info *link_info = &bp->link_info;
 882
 883         if (BNXT_VF(bp))
 884                 return;
 885         epause->autoneg = !!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL);
 886         epause->rx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_RX);
 887         epause->tx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_TX);
 888 }
 889
 890 static int bnxt_set_pauseparam(struct net_device *dev,
 891                                struct ethtool_pauseparam *epause)
 892 {
 893         int rc = 0;
 894         struct bnxt *bp = netdev_priv(dev);
 895         struct bnxt_link_info *link_info = &bp->link_info;
 896
 897         if (BNXT_VF(bp))
 898                 return rc;
 899
 900         if (epause->autoneg) {
 901                 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
 902                         return -EINVAL;
 903
 904                 link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL;
 905                 if (bp->hwrm_spec_code >= 0x10201)
 906                         link_info->req_flow_ctrl =
 907                                 PORT_PHY_CFG_REQ_AUTO_PAUSE_AUTONEG_PAUSE;
 908         } else {
 909                 /* when transition from auto pause to force pause,
 910                  * force a link change
 911                  */
 912                 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
 913                         link_info->force_link_chng = true;
 914                 link_info->autoneg &= ~BNXT_AUTONEG_FLOW_CTRL;
 915                 link_info->req_flow_ctrl = 0;
 916         }
 917         if (epause->rx_pause)
 918                 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX;
 919
 920         if (epause->tx_pause)
 921                 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX;
 922
 923         if (netif_running(dev))
 924                 rc = bnxt_hwrm_set_pause(bp);
 925         return rc;
 926 }
 927
 928 static u32 bnxt_get_link(struct net_device *dev)
 929 {
 930         struct bnxt *bp = netdev_priv(dev);
 931
 932         /* TODO: handle MF, VF, driver close case */
 933         return bp->link_info.link_up;
 934 }
 935
 936 static int bnxt_flash_nvram(struct net_device *dev,
 937                             u16 dir_type,
 938                             u16 dir_ordinal,
 939                             u16 dir_ext,
 940                             u16 dir_attr,
 941                             const u8 *data,
 942                             size_t data_len)
 943 {
 944         struct bnxt *bp = netdev_priv(dev);
 945         int rc;
 946         struct hwrm_nvm_write_input req = {0};
 947         dma_addr_t dma_handle;
 948         u8 *kmem;
 949
 950         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_WRITE, -1, -1);
 951
 952         req.dir_type = cpu_to_le16(dir_type);
 953         req.dir_ordinal = cpu_to_le16(dir_ordinal);
 954         req.dir_ext = cpu_to_le16(dir_ext);
 955         req.dir_attr = cpu_to_le16(dir_attr);
 956         req.dir_data_length = cpu_to_le32(data_len);
 957
 958         kmem = dma_alloc_coherent(&bp->pdev->dev, data_len, &dma_handle,
 959                                   GFP_KERNEL);
 960         if (!kmem) {
 961                 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
 962                            (unsigned)data_len);
 963                 return -ENOMEM;
 964         }
 965         memcpy(kmem, data, data_len);
 966         req.host_src_addr = cpu_to_le64(dma_handle);
 967
 968         rc = hwrm_send_message(bp, &req, sizeof(req), FLASH_NVRAM_TIMEOUT);
 969         dma_free_coherent(&bp->pdev->dev, data_len, kmem, dma_handle);
 970
 971         return rc;
 972 }
 973
 974 static int bnxt_firmware_reset(struct net_device *dev,
 975                                u16 dir_type)
 976 {
 977         struct bnxt *bp = netdev_priv(dev);
 978         struct hwrm_fw_reset_input req = {0};
 979
 980         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1);
 981
 982         /* TODO: Support ASAP ChiMP self-reset (e.g. upon PF driver unload) */
 983         /* TODO: Address self-reset of APE/KONG/BONO/TANG or ungraceful reset */
 984         /*       (e.g. when firmware isn't already running) */
 985         switch (dir_type) {
 986         case BNX_DIR_TYPE_CHIMP_PATCH:
 987         case BNX_DIR_TYPE_BOOTCODE:
 988         case BNX_DIR_TYPE_BOOTCODE_2:
 989                 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT;
 990                 /* Self-reset ChiMP upon next PCIe reset: */
 991                 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
 992                 break;
 993         case BNX_DIR_TYPE_APE_FW:
 994         case BNX_DIR_TYPE_APE_PATCH:
 995                 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT;
 996                 break;
 997         case BNX_DIR_TYPE_KONG_FW:
 998         case BNX_DIR_TYPE_KONG_PATCH:
 999                 req.embedded_proc_type =
1000                         FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL;
1001                 break;
1002         case BNX_DIR_TYPE_BONO_FW:
1003         case BNX_DIR_TYPE_BONO_PATCH:
1004                 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE;
1005                 break;
1006         default:
1007                 return -EINVAL;
1008         }
1009
1010         return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1011 }
1012
1013 static int bnxt_flash_firmware(struct net_device *dev,
1014                                u16 dir_type,
1015                                const u8 *fw_data,
1016                                size_t fw_size)
1017 {
1018         int     rc = 0;
1019         u16     code_type;
1020         u32     stored_crc;
1021         u32     calculated_crc;
1022         struct bnxt_fw_header *header = (struct bnxt_fw_header *)fw_data;
1023
1024         switch (dir_type) {
1025         case BNX_DIR_TYPE_BOOTCODE:
1026         case BNX_DIR_TYPE_BOOTCODE_2:
1027                 code_type = CODE_BOOT;
1028                 break;
1029         case BNX_DIR_TYPE_APE_FW:
1030                 code_type = CODE_MCTP_PASSTHRU;
1031                 break;
1032         default:
1033                 netdev_err(dev, "Unsupported directory entry type: %u\n",
1034                            dir_type);
1035                 return -EINVAL;
1036         }
1037         if (fw_size < sizeof(struct bnxt_fw_header)) {
1038                 netdev_err(dev, "Invalid firmware file size: %u\n",
1039                            (unsigned int)fw_size);
1040                 return -EINVAL;
1041         }
1042         if (header->signature != cpu_to_le32(BNXT_FIRMWARE_BIN_SIGNATURE)) {
1043                 netdev_err(dev, "Invalid firmware signature: %08X\n",
1044                            le32_to_cpu(header->signature));
1045                 return -EINVAL;
1046         }
1047         if (header->code_type != code_type) {
1048                 netdev_err(dev, "Expected firmware type: %d, read: %d\n",
1049                            code_type, header->code_type);
1050                 return -EINVAL;
1051         }
1052         if (header->device != DEVICE_CUMULUS_FAMILY) {
1053                 netdev_err(dev, "Expected firmware device family %d, read: %d\n",
1054                            DEVICE_CUMULUS_FAMILY, header->device);
1055                 return -EINVAL;
1056         }
1057         /* Confirm the CRC32 checksum of the file: */
1058         stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
1059                                              sizeof(stored_crc)));
1060         calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
1061         if (calculated_crc != stored_crc) {
1062                 netdev_err(dev, "Firmware file CRC32 checksum (%08lX) does not match calculated checksum (%08lX)\n",
1063                            (unsigned long)stored_crc,
1064                            (unsigned long)calculated_crc);
1065                 return -EINVAL;
1066         }
1067         /* TODO: Validate digital signature (RSA-encrypted SHA-256 hash) here */
1068         rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1069                               0, 0, fw_data, fw_size);
1070         if (rc == 0)    /* Firmware update successful */
1071                 rc = bnxt_firmware_reset(dev, dir_type);
1072
1073         return rc;
1074 }
1075
1076 static bool bnxt_dir_type_is_ape_bin_format(u16 dir_type)
1077 {
1078         switch (dir_type) {
1079         case BNX_DIR_TYPE_CHIMP_PATCH:
1080         case BNX_DIR_TYPE_BOOTCODE:
1081         case BNX_DIR_TYPE_BOOTCODE_2:
1082         case BNX_DIR_TYPE_APE_FW:
1083         case BNX_DIR_TYPE_APE_PATCH:
1084         case BNX_DIR_TYPE_KONG_FW:
1085         case BNX_DIR_TYPE_KONG_PATCH:
1086                 return true;
1087         }
1088
1089         return false;
1090 }
1091
1092 static bool bnxt_dir_type_is_unprotected_exec_format(u16 dir_type)
1093 {
1094         switch (dir_type) {
1095         case BNX_DIR_TYPE_AVS:
1096         case BNX_DIR_TYPE_EXP_ROM_MBA:
1097         case BNX_DIR_TYPE_PCIE:
1098         case BNX_DIR_TYPE_TSCF_UCODE:
1099         case BNX_DIR_TYPE_EXT_PHY:
1100         case BNX_DIR_TYPE_CCM:
1101         case BNX_DIR_TYPE_ISCSI_BOOT:
1102         case BNX_DIR_TYPE_ISCSI_BOOT_IPV6:
1103         case BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6:
1104                 return true;
1105         }
1106
1107         return false;
1108 }
1109
1110 static bool bnxt_dir_type_is_executable(u16 dir_type)
1111 {
1112         return bnxt_dir_type_is_ape_bin_format(dir_type) ||
1113                 bnxt_dir_type_is_unprotected_exec_format(dir_type);
1114 }
1115
1116 static int bnxt_flash_firmware_from_file(struct net_device *dev,
1117                                          u16 dir_type,
1118                                          const char *filename)
1119 {
1120         const struct firmware  *fw;
1121         int                     rc;
1122
1123         if (bnxt_dir_type_is_executable(dir_type) == false)
1124                 return -EINVAL;
1125
1126         rc = request_firmware(&fw, filename, &dev->dev);
1127         if (rc != 0) {
1128                 netdev_err(dev, "Error %d requesting firmware file: %s\n",
1129                            rc, filename);
1130                 return rc;
1131         }
1132         if (bnxt_dir_type_is_ape_bin_format(dir_type) == true)
1133                 rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size);
1134         else
1135                 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1136                                       0, 0, fw->data, fw->size);
1137         release_firmware(fw);
1138         return rc;
1139 }
1140
1141 static int bnxt_flash_package_from_file(struct net_device *dev,
1142                                         char *filename)
1143 {
1144         netdev_err(dev, "packages are not yet supported\n");
1145         return -EINVAL;
1146 }
1147
1148 static int bnxt_flash_device(struct net_device *dev,
1149                              struct ethtool_flash *flash)
1150 {
1151         if (!BNXT_PF((struct bnxt *)netdev_priv(dev))) {
1152                 netdev_err(dev, "flashdev not supported from a virtual function\n");
1153                 return -EINVAL;
1154         }
1155
1156         if (flash->region == ETHTOOL_FLASH_ALL_REGIONS)
1157                 return bnxt_flash_package_from_file(dev, flash->data);
1158
1159         return bnxt_flash_firmware_from_file(dev, flash->region, flash->data);
1160 }
1161
1162 static int nvm_get_dir_info(struct net_device *dev, u32 *entries, u32 *length)
1163 {
1164         struct bnxt *bp = netdev_priv(dev);
1165         int rc;
1166         struct hwrm_nvm_get_dir_info_input req = {0};
1167         struct hwrm_nvm_get_dir_info_output *output = bp->hwrm_cmd_resp_addr;
1168
1169         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_INFO, -1, -1);
1170
1171         mutex_lock(&bp->hwrm_cmd_lock);
1172         rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1173         if (!rc) {
1174                 *entries = le32_to_cpu(output->entries);
1175                 *length = le32_to_cpu(output->entry_length);
1176         }
1177         mutex_unlock(&bp->hwrm_cmd_lock);
1178         return rc;
1179 }
1180
1181 static int bnxt_get_eeprom_len(struct net_device *dev)
1182 {
1183         /* The -1 return value allows the entire 32-bit range of offsets to be
1184          * passed via the ethtool command-line utility.
1185          */
1186         return -1;
1187 }
1188
1189 static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data)
1190 {
1191         struct bnxt *bp = netdev_priv(dev);
1192         int rc;
1193         u32 dir_entries;
1194         u32 entry_length;
1195         u8 *buf;
1196         size_t buflen;
1197         dma_addr_t dma_handle;
1198         struct hwrm_nvm_get_dir_entries_input req = {0};
1199
1200         rc = nvm_get_dir_info(dev, &dir_entries, &entry_length);
1201         if (rc != 0)
1202                 return rc;
1203
1204         /* Insert 2 bytes of directory info (count and size of entries) */
1205         if (len < 2)
1206                 return -EINVAL;
1207
1208         *data++ = dir_entries;
1209         *data++ = entry_length;
1210         len -= 2;
1211         memset(data, 0xff, len);
1212
1213         buflen = dir_entries * entry_length;
1214         buf = dma_alloc_coherent(&bp->pdev->dev, buflen, &dma_handle,
1215                                  GFP_KERNEL);
1216         if (!buf) {
1217                 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1218                            (unsigned)buflen);
1219                 return -ENOMEM;
1220         }
1221         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_ENTRIES, -1, -1);
1222         req.host_dest_addr = cpu_to_le64(dma_handle);
1223         rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1224         if (rc == 0)
1225                 memcpy(data, buf, len > buflen ? buflen : len);
1226         dma_free_coherent(&bp->pdev->dev, buflen, buf, dma_handle);
1227         return rc;
1228 }
1229
1230 static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset,
1231                                u32 length, u8 *data)
1232 {
1233         struct bnxt *bp = netdev_priv(dev);
1234         int rc;
1235         u8 *buf;
1236         dma_addr_t dma_handle;
1237         struct hwrm_nvm_read_input req = {0};
1238
1239         buf = dma_alloc_coherent(&bp->pdev->dev, length, &dma_handle,
1240                                  GFP_KERNEL);
1241         if (!buf) {
1242                 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1243                            (unsigned)length);
1244                 return -ENOMEM;
1245         }
1246         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_READ, -1, -1);
1247         req.host_dest_addr = cpu_to_le64(dma_handle);
1248         req.dir_idx = cpu_to_le16(index);
1249         req.offset = cpu_to_le32(offset);
1250         req.len = cpu_to_le32(length);
1251
1252         rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1253         if (rc == 0)
1254                 memcpy(data, buf, length);
1255         dma_free_coherent(&bp->pdev->dev, length, buf, dma_handle);
1256         return rc;
1257 }
1258
1259 static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
1260                                 u16 ext, u16 *index, u32 *item_length,
1261                                 u32 *data_length)
1262 {
1263         struct bnxt *bp = netdev_priv(dev);
1264         int rc;
1265         struct hwrm_nvm_find_dir_entry_input req = {0};
1266         struct hwrm_nvm_find_dir_entry_output *output = bp->hwrm_cmd_resp_addr;
1267
1268         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_FIND_DIR_ENTRY, -1, -1);
1269         req.enables = 0;
1270         req.dir_idx = 0;
1271         req.dir_type = cpu_to_le16(type);
1272         req.dir_ordinal = cpu_to_le16(ordinal);
1273         req.dir_ext = cpu_to_le16(ext);
1274         req.opt_ordinal = NVM_FIND_DIR_ENTRY_REQ_OPT_ORDINAL_EQ;
1275         rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1276         if (rc == 0) {
1277                 if (index)
1278                         *index = le16_to_cpu(output->dir_idx);
1279                 if (item_length)
1280                         *item_length = le32_to_cpu(output->dir_item_length);
1281                 if (data_length)
1282                         *data_length = le32_to_cpu(output->dir_data_length);
1283         }
1284         return rc;
1285 }
1286
1287 static char *bnxt_parse_pkglog(int desired_field, u8 *data, size_t datalen)
1288 {
1289         char    *retval = NULL;
1290         char    *p;
1291         char    *value;
1292         int     field = 0;
1293
1294         if (datalen < 1)
1295                 return NULL;
1296         /* null-terminate the log data (removing last '\n'): */
1297         data[datalen - 1] = 0;
1298         for (p = data; *p != 0; p++) {
1299                 field = 0;
1300                 retval = NULL;
1301                 while (*p != 0 && *p != '\n') {
1302                         value = p;
1303                         while (*p != 0 && *p != '\t' && *p != '\n')
1304                                 p++;
1305                         if (field == desired_field)
1306                                 retval = value;
1307                         if (*p != '\t')
1308                                 break;
1309                         *p = 0;
1310                         field++;
1311                         p++;
1312                 }
1313                 if (*p == 0)
1314                         break;
1315                 *p = 0;
1316         }
1317         return retval;
1318 }
1319
1320 static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen)
1321 {
1322         u16 index = 0;
1323         u32 datalen;
1324
1325         if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG,
1326                                  BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
1327                                  &index, NULL, &datalen) != 0)
1328                 return NULL;
1329
1330         memset(buf, 0, buflen);
1331         if (bnxt_get_nvram_item(dev, index, 0, datalen, buf) != 0)
1332                 return NULL;
1333
1334         return bnxt_parse_pkglog(BNX_PKG_LOG_FIELD_IDX_PKG_VERSION, buf,
1335                 datalen);
1336 }
1337
1338 static int bnxt_get_eeprom(struct net_device *dev,
1339                            struct ethtool_eeprom *eeprom,
1340                            u8 *data)
1341 {
1342         u32 index;
1343         u32 offset;
1344
1345         if (eeprom->offset == 0) /* special offset value to get directory */
1346                 return bnxt_get_nvram_directory(dev, eeprom->len, data);
1347
1348         index = eeprom->offset >> 24;
1349         offset = eeprom->offset & 0xffffff;
1350
1351         if (index == 0) {
1352                 netdev_err(dev, "unsupported index value: %d\n", index);
1353                 return -EINVAL;
1354         }
1355
1356         return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data);
1357 }
1358
1359 static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index)
1360 {
1361         struct bnxt *bp = netdev_priv(dev);
1362         struct hwrm_nvm_erase_dir_entry_input req = {0};
1363
1364         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_ERASE_DIR_ENTRY, -1, -1);
1365         req.dir_idx = cpu_to_le16(index);
1366         return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1367 }
1368
1369 static int bnxt_set_eeprom(struct net_device *dev,
1370                            struct ethtool_eeprom *eeprom,
1371                            u8 *data)
1372 {
1373         struct bnxt *bp = netdev_priv(dev);
1374         u8 index, dir_op;
1375         u16 type, ext, ordinal, attr;
1376
1377         if (!BNXT_PF(bp)) {
1378                 netdev_err(dev, "NVM write not supported from a virtual function\n");
1379                 return -EINVAL;
1380         }
1381
1382         type = eeprom->magic >> 16;
1383
1384         if (type == 0xffff) { /* special value for directory operations */
1385                 index = eeprom->magic & 0xff;
1386                 dir_op = eeprom->magic >> 8;
1387                 if (index == 0)
1388                         return -EINVAL;
1389                 switch (dir_op) {
1390                 case 0x0e: /* erase */
1391                         if (eeprom->offset != ~eeprom->magic)
1392                                 return -EINVAL;
1393                         return bnxt_erase_nvram_directory(dev, index - 1);
1394                 default:
1395                         return -EINVAL;
1396                 }
1397         }
1398
1399         /* Create or re-write an NVM item: */
1400         if (bnxt_dir_type_is_executable(type) == true)
1401                 return -EINVAL;
1402         ext = eeprom->magic & 0xffff;
1403         ordinal = eeprom->offset >> 16;
1404         attr = eeprom->offset & 0xffff;
1405
1406         return bnxt_flash_nvram(dev, type, ordinal, ext, attr, data,
1407                                 eeprom->len);
1408 }
1409
1410 static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata)
1411 {
1412         struct bnxt *bp = netdev_priv(dev);
1413         struct ethtool_eee *eee = &bp->eee;
1414         struct bnxt_link_info *link_info = &bp->link_info;
1415         u32 advertising =
1416                  _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0);
1417         int rc = 0;
1418
1419         if (BNXT_VF(bp))
1420                 return 0;
1421
1422         if (!(bp->flags & BNXT_FLAG_EEE_CAP))
1423                 return -EOPNOTSUPP;
1424
1425         if (!edata->eee_enabled)
1426                 goto eee_ok;
1427
1428         if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) {
1429                 netdev_warn(dev, "EEE requires autoneg\n");
1430                 return -EINVAL;
1431         }
1432         if (edata->tx_lpi_enabled) {
1433                 if (bp->lpi_tmr_hi && (edata->tx_lpi_timer > bp->lpi_tmr_hi ||
1434                                        edata->tx_lpi_timer < bp->lpi_tmr_lo)) {
1435                         netdev_warn(dev, "Valid LPI timer range is %d and %d microsecs\n",
1436                                     bp->lpi_tmr_lo, bp->lpi_tmr_hi);
1437                         return -EINVAL;
1438                 } else if (!bp->lpi_tmr_hi) {
1439                         edata->tx_lpi_timer = eee->tx_lpi_timer;
1440                 }
1441         }
1442         if (!edata->advertised) {
1443                 edata->advertised = advertising & eee->supported;
1444         } else if (edata->advertised & ~advertising) {
1445                 netdev_warn(dev, "EEE advertised %x must be a subset of autoneg advertised speeds %x\n",
1446                             edata->advertised, advertising);
1447                 return -EINVAL;
1448         }
1449
1450         eee->advertised = edata->advertised;
1451         eee->tx_lpi_enabled = edata->tx_lpi_enabled;
1452         eee->tx_lpi_timer = edata->tx_lpi_timer;
1453 eee_ok:
1454         eee->eee_enabled = edata->eee_enabled;
1455
1456         if (netif_running(dev))
1457                 rc = bnxt_hwrm_set_link_setting(bp, false, true);
1458
1459         return rc;
1460 }
1461
1462 static int bnxt_get_eee(struct net_device *dev, struct ethtool_eee *edata)
1463 {
1464         struct bnxt *bp = netdev_priv(dev);
1465
1466         if (!(bp->flags & BNXT_FLAG_EEE_CAP))
1467                 return -EOPNOTSUPP;
1468
1469         *edata = bp->eee;
1470         if (!bp->eee.eee_enabled) {
1471                 /* Preserve tx_lpi_timer so that the last value will be used
1472                  * by default when it is re-enabled.
1473                  */
1474                 edata->advertised = 0;
1475                 edata->tx_lpi_enabled = 0;
1476         }
1477
1478         if (!bp->eee.eee_active)
1479                 edata->lp_advertised = 0;
1480
1481         return 0;
1482 }
1483
1484 const struct ethtool_ops bnxt_ethtool_ops = {
1485         .get_settings           = bnxt_get_settings,
1486         .set_settings           = bnxt_set_settings,
1487         .get_pauseparam         = bnxt_get_pauseparam,
1488         .set_pauseparam         = bnxt_set_pauseparam,
1489         .get_drvinfo            = bnxt_get_drvinfo,
1490         .get_coalesce           = bnxt_get_coalesce,
1491         .set_coalesce           = bnxt_set_coalesce,
1492         .get_msglevel           = bnxt_get_msglevel,
1493         .set_msglevel           = bnxt_set_msglevel,
1494         .get_sset_count         = bnxt_get_sset_count,
1495         .get_strings            = bnxt_get_strings,
1496         .get_ethtool_stats      = bnxt_get_ethtool_stats,
1497         .set_ringparam          = bnxt_set_ringparam,
1498         .get_ringparam          = bnxt_get_ringparam,
1499         .get_channels           = bnxt_get_channels,
1500         .set_channels           = bnxt_set_channels,
1501 #ifdef CONFIG_RFS_ACCEL
1502         .get_rxnfc              = bnxt_get_rxnfc,
1503 #endif
1504         .get_rxfh_indir_size    = bnxt_get_rxfh_indir_size,
1505         .get_rxfh_key_size      = bnxt_get_rxfh_key_size,
1506         .get_rxfh               = bnxt_get_rxfh,
1507         .flash_device           = bnxt_flash_device,
1508         .get_eeprom_len         = bnxt_get_eeprom_len,
1509         .get_eeprom             = bnxt_get_eeprom,
1510         .set_eeprom             = bnxt_set_eeprom,
1511         .get_link               = bnxt_get_link,
1512         .get_eee                = bnxt_get_eee,
1513         .set_eee                = bnxt_set_eee,
1514 };