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         coal->stats_block_coalesce_usecs = bp->stats_coal_ticks;
  60
  61         return 0;
  62 }
  63
  64 static int bnxt_set_coalesce(struct net_device *dev,
  65                              struct ethtool_coalesce *coal)
  66 {
  67         struct bnxt *bp = netdev_priv(dev);
  68         bool update_stats = false;
  69         int rc = 0;
  70
  71         bp->rx_coal_ticks = coal->rx_coalesce_usecs;
  72         /* 2 completion records per rx packet */
  73         bp->rx_coal_bufs = coal->rx_max_coalesced_frames * 2;
  74         bp->rx_coal_ticks_irq = coal->rx_coalesce_usecs_irq;
  75         bp->rx_coal_bufs_irq = coal->rx_max_coalesced_frames_irq * 2;
  76
  77         bp->tx_coal_ticks = coal->tx_coalesce_usecs;
  78         bp->tx_coal_bufs = coal->tx_max_coalesced_frames;
  79         bp->tx_coal_ticks_irq = coal->tx_coalesce_usecs_irq;
  80         bp->tx_coal_bufs_irq = coal->tx_max_coalesced_frames_irq;
  81
  82         if (bp->stats_coal_ticks != coal->stats_block_coalesce_usecs) {
  83                 u32 stats_ticks = coal->stats_block_coalesce_usecs;
  84
  85                 stats_ticks = clamp_t(u32, stats_ticks,
  86                                       BNXT_MIN_STATS_COAL_TICKS,
  87                                       BNXT_MAX_STATS_COAL_TICKS);
  88                 stats_ticks = rounddown(stats_ticks, BNXT_MIN_STATS_COAL_TICKS);
  89                 bp->stats_coal_ticks = stats_ticks;
  90                 update_stats = true;
  91         }
  92
  93         if (netif_running(dev)) {
  94                 if (update_stats) {
  95                         rc = bnxt_close_nic(bp, true, false);
  96                         if (!rc)
  97                                 rc = bnxt_open_nic(bp, true, false);
  98                 } else {
  99                         rc = bnxt_hwrm_set_coal(bp);
 100                 }
 101         }
 102
 103         return rc;
 104 }
 105
 106 #define BNXT_NUM_STATS  21
 107
 108 #define BNXT_RX_STATS_OFFSET(counter)   \
 109         (offsetof(struct rx_port_stats, counter) / 8)
 110
 111 #define BNXT_RX_STATS_ENTRY(counter)    \
 112         { BNXT_RX_STATS_OFFSET(counter), __stringify(counter) }
 113
 114 #define BNXT_TX_STATS_OFFSET(counter)                   \
 115         ((offsetof(struct tx_port_stats, counter) +     \
 116           sizeof(struct rx_port_stats) + 512) / 8)
 117
 118 #define BNXT_TX_STATS_ENTRY(counter)    \
 119         { BNXT_TX_STATS_OFFSET(counter), __stringify(counter) }
 120
 121 static const struct {
 122         long offset;
 123         char string[ETH_GSTRING_LEN];
 124 } bnxt_port_stats_arr[] = {
 125         BNXT_RX_STATS_ENTRY(rx_64b_frames),
 126         BNXT_RX_STATS_ENTRY(rx_65b_127b_frames),
 127         BNXT_RX_STATS_ENTRY(rx_128b_255b_frames),
 128         BNXT_RX_STATS_ENTRY(rx_256b_511b_frames),
 129         BNXT_RX_STATS_ENTRY(rx_512b_1023b_frames),
 130         BNXT_RX_STATS_ENTRY(rx_1024b_1518_frames),
 131         BNXT_RX_STATS_ENTRY(rx_good_vlan_frames),
 132         BNXT_RX_STATS_ENTRY(rx_1519b_2047b_frames),
 133         BNXT_RX_STATS_ENTRY(rx_2048b_4095b_frames),
 134         BNXT_RX_STATS_ENTRY(rx_4096b_9216b_frames),
 135         BNXT_RX_STATS_ENTRY(rx_9217b_16383b_frames),
 136         BNXT_RX_STATS_ENTRY(rx_total_frames),
 137         BNXT_RX_STATS_ENTRY(rx_ucast_frames),
 138         BNXT_RX_STATS_ENTRY(rx_mcast_frames),
 139         BNXT_RX_STATS_ENTRY(rx_bcast_frames),
 140         BNXT_RX_STATS_ENTRY(rx_fcs_err_frames),
 141         BNXT_RX_STATS_ENTRY(rx_ctrl_frames),
 142         BNXT_RX_STATS_ENTRY(rx_pause_frames),
 143         BNXT_RX_STATS_ENTRY(rx_pfc_frames),
 144         BNXT_RX_STATS_ENTRY(rx_align_err_frames),
 145         BNXT_RX_STATS_ENTRY(rx_ovrsz_frames),
 146         BNXT_RX_STATS_ENTRY(rx_jbr_frames),
 147         BNXT_RX_STATS_ENTRY(rx_mtu_err_frames),
 148         BNXT_RX_STATS_ENTRY(rx_tagged_frames),
 149         BNXT_RX_STATS_ENTRY(rx_double_tagged_frames),
 150         BNXT_RX_STATS_ENTRY(rx_good_frames),
 151         BNXT_RX_STATS_ENTRY(rx_undrsz_frames),
 152         BNXT_RX_STATS_ENTRY(rx_eee_lpi_events),
 153         BNXT_RX_STATS_ENTRY(rx_eee_lpi_duration),
 154         BNXT_RX_STATS_ENTRY(rx_bytes),
 155         BNXT_RX_STATS_ENTRY(rx_runt_bytes),
 156         BNXT_RX_STATS_ENTRY(rx_runt_frames),
 157
 158         BNXT_TX_STATS_ENTRY(tx_64b_frames),
 159         BNXT_TX_STATS_ENTRY(tx_65b_127b_frames),
 160         BNXT_TX_STATS_ENTRY(tx_128b_255b_frames),
 161         BNXT_TX_STATS_ENTRY(tx_256b_511b_frames),
 162         BNXT_TX_STATS_ENTRY(tx_512b_1023b_frames),
 163         BNXT_TX_STATS_ENTRY(tx_1024b_1518_frames),
 164         BNXT_TX_STATS_ENTRY(tx_good_vlan_frames),
 165         BNXT_TX_STATS_ENTRY(tx_1519b_2047_frames),
 166         BNXT_TX_STATS_ENTRY(tx_2048b_4095b_frames),
 167         BNXT_TX_STATS_ENTRY(tx_4096b_9216b_frames),
 168         BNXT_TX_STATS_ENTRY(tx_9217b_16383b_frames),
 169         BNXT_TX_STATS_ENTRY(tx_good_frames),
 170         BNXT_TX_STATS_ENTRY(tx_total_frames),
 171         BNXT_TX_STATS_ENTRY(tx_ucast_frames),
 172         BNXT_TX_STATS_ENTRY(tx_mcast_frames),
 173         BNXT_TX_STATS_ENTRY(tx_bcast_frames),
 174         BNXT_TX_STATS_ENTRY(tx_pause_frames),
 175         BNXT_TX_STATS_ENTRY(tx_pfc_frames),
 176         BNXT_TX_STATS_ENTRY(tx_jabber_frames),
 177         BNXT_TX_STATS_ENTRY(tx_fcs_err_frames),
 178         BNXT_TX_STATS_ENTRY(tx_err),
 179         BNXT_TX_STATS_ENTRY(tx_fifo_underruns),
 180         BNXT_TX_STATS_ENTRY(tx_eee_lpi_events),
 181         BNXT_TX_STATS_ENTRY(tx_eee_lpi_duration),
 182         BNXT_TX_STATS_ENTRY(tx_total_collisions),
 183         BNXT_TX_STATS_ENTRY(tx_bytes),
 184 };
 185
 186 #define BNXT_NUM_PORT_STATS ARRAY_SIZE(bnxt_port_stats_arr)
 187
 188 static int bnxt_get_sset_count(struct net_device *dev, int sset)
 189 {
 190         struct bnxt *bp = netdev_priv(dev);
 191
 192         switch (sset) {
 193         case ETH_SS_STATS: {
 194                 int num_stats = BNXT_NUM_STATS * bp->cp_nr_rings;
 195
 196                 if (bp->flags & BNXT_FLAG_PORT_STATS)
 197                         num_stats += BNXT_NUM_PORT_STATS;
 198
 199                 return num_stats;
 200         }
 201         default:
 202                 return -EOPNOTSUPP;
 203         }
 204 }
 205
 206 static void bnxt_get_ethtool_stats(struct net_device *dev,
 207                                    struct ethtool_stats *stats, u64 *buf)
 208 {
 209         u32 i, j = 0;
 210         struct bnxt *bp = netdev_priv(dev);
 211         u32 buf_size = sizeof(struct ctx_hw_stats) * bp->cp_nr_rings;
 212         u32 stat_fields = sizeof(struct ctx_hw_stats) / 8;
 213
 214         memset(buf, 0, buf_size);
 215
 216         if (!bp->bnapi)
 217                 return;
 218
 219         for (i = 0; i < bp->cp_nr_rings; i++) {
 220                 struct bnxt_napi *bnapi = bp->bnapi[i];
 221                 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
 222                 __le64 *hw_stats = (__le64 *)cpr->hw_stats;
 223                 int k;
 224
 225                 for (k = 0; k < stat_fields; j++, k++)
 226                         buf[j] = le64_to_cpu(hw_stats[k]);
 227                 buf[j++] = cpr->rx_l4_csum_errors;
 228         }
 229         if (bp->flags & BNXT_FLAG_PORT_STATS) {
 230                 __le64 *port_stats = (__le64 *)bp->hw_rx_port_stats;
 231
 232                 for (i = 0; i < BNXT_NUM_PORT_STATS; i++, j++) {
 233                         buf[j] = le64_to_cpu(*(port_stats +
 234                                                bnxt_port_stats_arr[i].offset));
 235                 }
 236         }
 237 }
 238
 239 static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
 240 {
 241         struct bnxt *bp = netdev_priv(dev);
 242         u32 i;
 243
 244         switch (stringset) {
 245         /* The number of strings must match BNXT_NUM_STATS defined above. */
 246         case ETH_SS_STATS:
 247                 for (i = 0; i < bp->cp_nr_rings; i++) {
 248                         sprintf(buf, "[%d]: rx_ucast_packets", i);
 249                         buf += ETH_GSTRING_LEN;
 250                         sprintf(buf, "[%d]: rx_mcast_packets", i);
 251                         buf += ETH_GSTRING_LEN;
 252                         sprintf(buf, "[%d]: rx_bcast_packets", i);
 253                         buf += ETH_GSTRING_LEN;
 254                         sprintf(buf, "[%d]: rx_discards", i);
 255                         buf += ETH_GSTRING_LEN;
 256                         sprintf(buf, "[%d]: rx_drops", i);
 257                         buf += ETH_GSTRING_LEN;
 258                         sprintf(buf, "[%d]: rx_ucast_bytes", i);
 259                         buf += ETH_GSTRING_LEN;
 260                         sprintf(buf, "[%d]: rx_mcast_bytes", i);
 261                         buf += ETH_GSTRING_LEN;
 262                         sprintf(buf, "[%d]: rx_bcast_bytes", i);
 263                         buf += ETH_GSTRING_LEN;
 264                         sprintf(buf, "[%d]: tx_ucast_packets", i);
 265                         buf += ETH_GSTRING_LEN;
 266                         sprintf(buf, "[%d]: tx_mcast_packets", i);
 267                         buf += ETH_GSTRING_LEN;
 268                         sprintf(buf, "[%d]: tx_bcast_packets", i);
 269                         buf += ETH_GSTRING_LEN;
 270                         sprintf(buf, "[%d]: tx_discards", i);
 271                         buf += ETH_GSTRING_LEN;
 272                         sprintf(buf, "[%d]: tx_drops", i);
 273                         buf += ETH_GSTRING_LEN;
 274                         sprintf(buf, "[%d]: tx_ucast_bytes", i);
 275                         buf += ETH_GSTRING_LEN;
 276                         sprintf(buf, "[%d]: tx_mcast_bytes", i);
 277                         buf += ETH_GSTRING_LEN;
 278                         sprintf(buf, "[%d]: tx_bcast_bytes", i);
 279                         buf += ETH_GSTRING_LEN;
 280                         sprintf(buf, "[%d]: tpa_packets", i);
 281                         buf += ETH_GSTRING_LEN;
 282                         sprintf(buf, "[%d]: tpa_bytes", i);
 283                         buf += ETH_GSTRING_LEN;
 284                         sprintf(buf, "[%d]: tpa_events", i);
 285                         buf += ETH_GSTRING_LEN;
 286                         sprintf(buf, "[%d]: tpa_aborts", i);
 287                         buf += ETH_GSTRING_LEN;
 288                         sprintf(buf, "[%d]: rx_l4_csum_errors", i);
 289                         buf += ETH_GSTRING_LEN;
 290                 }
 291                 if (bp->flags & BNXT_FLAG_PORT_STATS) {
 292                         for (i = 0; i < BNXT_NUM_PORT_STATS; i++) {
 293                                 strcpy(buf, bnxt_port_stats_arr[i].string);
 294                                 buf += ETH_GSTRING_LEN;
 295                         }
 296                 }
 297                 break;
 298         default:
 299                 netdev_err(bp->dev, "bnxt_get_strings invalid request %x\n",
 300                            stringset);
 301                 break;
 302         }
 303 }
 304
 305 static void bnxt_get_ringparam(struct net_device *dev,
 306                                struct ethtool_ringparam *ering)
 307 {
 308         struct bnxt *bp = netdev_priv(dev);
 309
 310         ering->rx_max_pending = BNXT_MAX_RX_DESC_CNT;
 311         ering->rx_jumbo_max_pending = BNXT_MAX_RX_JUM_DESC_CNT;
 312         ering->tx_max_pending = BNXT_MAX_TX_DESC_CNT;
 313
 314         ering->rx_pending = bp->rx_ring_size;
 315         ering->rx_jumbo_pending = bp->rx_agg_ring_size;
 316         ering->tx_pending = bp->tx_ring_size;
 317 }
 318
 319 static int bnxt_set_ringparam(struct net_device *dev,
 320                               struct ethtool_ringparam *ering)
 321 {
 322         struct bnxt *bp = netdev_priv(dev);
 323
 324         if ((ering->rx_pending > BNXT_MAX_RX_DESC_CNT) ||
 325             (ering->tx_pending > BNXT_MAX_TX_DESC_CNT) ||
 326             (ering->tx_pending <= MAX_SKB_FRAGS))
 327                 return -EINVAL;
 328
 329         if (netif_running(dev))
 330                 bnxt_close_nic(bp, false, false);
 331
 332         bp->rx_ring_size = ering->rx_pending;
 333         bp->tx_ring_size = ering->tx_pending;
 334         bnxt_set_ring_params(bp);
 335
 336         if (netif_running(dev))
 337                 return bnxt_open_nic(bp, false, false);
 338
 339         return 0;
 340 }
 341
 342 static void bnxt_get_channels(struct net_device *dev,
 343                               struct ethtool_channels *channel)
 344 {
 345         struct bnxt *bp = netdev_priv(dev);
 346         int max_rx_rings, max_tx_rings, tcs;
 347
 348         bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, true);
 349         channel->max_combined = max_rx_rings;
 350
 351         if (bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, false)) {
 352                 max_rx_rings = 0;
 353                 max_tx_rings = 0;
 354         }
 355
 356         tcs = netdev_get_num_tc(dev);
 357         if (tcs > 1)
 358                 max_tx_rings /= tcs;
 359
 360         channel->max_rx = max_rx_rings;
 361         channel->max_tx = max_tx_rings;
 362         channel->max_other = 0;
 363         if (bp->flags & BNXT_FLAG_SHARED_RINGS) {
 364                 channel->combined_count = bp->rx_nr_rings;
 365         } else {
 366                 channel->rx_count = bp->rx_nr_rings;
 367                 channel->tx_count = bp->tx_nr_rings_per_tc;
 368         }
 369 }
 370
 371 static int bnxt_set_channels(struct net_device *dev,
 372                              struct ethtool_channels *channel)
 373 {
 374         struct bnxt *bp = netdev_priv(dev);
 375         int max_rx_rings, max_tx_rings, tcs;
 376         u32 rc = 0;
 377         bool sh = false;
 378
 379         if (channel->other_count)
 380                 return -EINVAL;
 381
 382         if (!channel->combined_count &&
 383             (!channel->rx_count || !channel->tx_count))
 384                 return -EINVAL;
 385
 386         if (channel->combined_count &&
 387             (channel->rx_count || channel->tx_count))
 388                 return -EINVAL;
 389
 390         if (channel->combined_count)
 391                 sh = true;
 392
 393         bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, sh);
 394
 395         tcs = netdev_get_num_tc(dev);
 396         if (tcs > 1)
 397                 max_tx_rings /= tcs;
 398
 399         if (sh && (channel->combined_count > max_rx_rings ||
 400                    channel->combined_count > max_tx_rings))
 401                 return -ENOMEM;
 402
 403         if (!sh && (channel->rx_count > max_rx_rings ||
 404                     channel->tx_count > max_tx_rings))
 405                 return -ENOMEM;
 406
 407         if (netif_running(dev)) {
 408                 if (BNXT_PF(bp)) {
 409                         /* TODO CHIMP_FW: Send message to all VF's
 410                          * before PF unload
 411                          */
 412                 }
 413                 rc = bnxt_close_nic(bp, true, false);
 414                 if (rc) {
 415                         netdev_err(bp->dev, "Set channel failure rc :%x\n",
 416                                    rc);
 417                         return rc;
 418                 }
 419         }
 420
 421         if (sh) {
 422                 bp->flags |= BNXT_FLAG_SHARED_RINGS;
 423                 bp->rx_nr_rings = channel->combined_count;
 424                 bp->tx_nr_rings_per_tc = channel->combined_count;
 425         } else {
 426                 bp->flags &= ~BNXT_FLAG_SHARED_RINGS;
 427                 bp->rx_nr_rings = channel->rx_count;
 428                 bp->tx_nr_rings_per_tc = channel->tx_count;
 429         }
 430
 431         bp->tx_nr_rings = bp->tx_nr_rings_per_tc;
 432         if (tcs > 1)
 433                 bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs;
 434
 435         bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) :
 436                                bp->tx_nr_rings + bp->rx_nr_rings;
 437
 438         bp->num_stat_ctxs = bp->cp_nr_rings;
 439
 440         /* After changing number of rx channels, update NTUPLE feature. */
 441         netdev_update_features(dev);
 442         if (netif_running(dev)) {
 443                 rc = bnxt_open_nic(bp, true, false);
 444                 if ((!rc) && BNXT_PF(bp)) {
 445                         /* TODO CHIMP_FW: Send message to all VF's
 446                          * to renable
 447                          */
 448                 }
 449         }
 450
 451         return rc;
 452 }
 453
 454 #ifdef CONFIG_RFS_ACCEL
 455 static int bnxt_grxclsrlall(struct bnxt *bp, struct ethtool_rxnfc *cmd,
 456                             u32 *rule_locs)
 457 {
 458         int i, j = 0;
 459
 460         cmd->data = bp->ntp_fltr_count;
 461         for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
 462                 struct hlist_head *head;
 463                 struct bnxt_ntuple_filter *fltr;
 464
 465                 head = &bp->ntp_fltr_hash_tbl[i];
 466                 rcu_read_lock();
 467                 hlist_for_each_entry_rcu(fltr, head, hash) {
 468                         if (j == cmd->rule_cnt)
 469                                 break;
 470                         rule_locs[j++] = fltr->sw_id;
 471                 }
 472                 rcu_read_unlock();
 473                 if (j == cmd->rule_cnt)
 474                         break;
 475         }
 476         cmd->rule_cnt = j;
 477         return 0;
 478 }
 479
 480 static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd)
 481 {
 482         struct ethtool_rx_flow_spec *fs =
 483                 (struct ethtool_rx_flow_spec *)&cmd->fs;
 484         struct bnxt_ntuple_filter *fltr;
 485         struct flow_keys *fkeys;
 486         int i, rc = -EINVAL;
 487
 488         if (fs->location < 0 || fs->location >= BNXT_NTP_FLTR_MAX_FLTR)
 489                 return rc;
 490
 491         for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
 492                 struct hlist_head *head;
 493
 494                 head = &bp->ntp_fltr_hash_tbl[i];
 495                 rcu_read_lock();
 496                 hlist_for_each_entry_rcu(fltr, head, hash) {
 497                         if (fltr->sw_id == fs->location)
 498                                 goto fltr_found;
 499                 }
 500                 rcu_read_unlock();
 501         }
 502         return rc;
 503
 504 fltr_found:
 505         fkeys = &fltr->fkeys;
 506         if (fkeys->basic.ip_proto == IPPROTO_TCP)
 507                 fs->flow_type = TCP_V4_FLOW;
 508         else if (fkeys->basic.ip_proto == IPPROTO_UDP)
 509                 fs->flow_type = UDP_V4_FLOW;
 510         else
 511                 goto fltr_err;
 512
 513         fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src;
 514         fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0);
 515
 516         fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst;
 517         fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0);
 518
 519         fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src;
 520         fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0);
 521
 522         fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst;
 523         fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0);
 524
 525         fs->ring_cookie = fltr->rxq;
 526         rc = 0;
 527
 528 fltr_err:
 529         rcu_read_unlock();
 530
 531         return rc;
 532 }
 533
 534 static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
 535                           u32 *rule_locs)
 536 {
 537         struct bnxt *bp = netdev_priv(dev);
 538         int rc = 0;
 539
 540         switch (cmd->cmd) {
 541         case ETHTOOL_GRXRINGS:
 542                 cmd->data = bp->rx_nr_rings;
 543                 break;
 544
 545         case ETHTOOL_GRXCLSRLCNT:
 546                 cmd->rule_cnt = bp->ntp_fltr_count;
 547                 cmd->data = BNXT_NTP_FLTR_MAX_FLTR;
 548                 break;
 549
 550         case ETHTOOL_GRXCLSRLALL:
 551                 rc = bnxt_grxclsrlall(bp, cmd, (u32 *)rule_locs);
 552                 break;
 553
 554         case ETHTOOL_GRXCLSRULE:
 555                 rc = bnxt_grxclsrule(bp, cmd);
 556                 break;
 557
 558         default:
 559                 rc = -EOPNOTSUPP;
 560                 break;
 561         }
 562
 563         return rc;
 564 }
 565 #endif
 566
 567 static u32 bnxt_get_rxfh_indir_size(struct net_device *dev)
 568 {
 569         return HW_HASH_INDEX_SIZE;
 570 }
 571
 572 static u32 bnxt_get_rxfh_key_size(struct net_device *dev)
 573 {
 574         return HW_HASH_KEY_SIZE;
 575 }
 576
 577 static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
 578                          u8 *hfunc)
 579 {
 580         struct bnxt *bp = netdev_priv(dev);
 581         struct bnxt_vnic_info *vnic = &bp->vnic_info[0];
 582         int i = 0;
 583
 584         if (hfunc)
 585                 *hfunc = ETH_RSS_HASH_TOP;
 586
 587         if (indir)
 588                 for (i = 0; i < HW_HASH_INDEX_SIZE; i++)
 589                         indir[i] = le16_to_cpu(vnic->rss_table[i]);
 590
 591         if (key)
 592                 memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE);
 593
 594         return 0;
 595 }
 596
 597 static void bnxt_get_drvinfo(struct net_device *dev,
 598                              struct ethtool_drvinfo *info)
 599 {
 600         struct bnxt *bp = netdev_priv(dev);
 601         char *pkglog;
 602         char *pkgver = NULL;
 603
 604         pkglog = kmalloc(BNX_PKG_LOG_MAX_LENGTH, GFP_KERNEL);
 605         if (pkglog)
 606                 pkgver = bnxt_get_pkgver(dev, pkglog, BNX_PKG_LOG_MAX_LENGTH);
 607         strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
 608         strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
 609         if (pkgver && *pkgver != 0 && isdigit(*pkgver))
 610                 snprintf(info->fw_version, sizeof(info->fw_version) - 1,
 611                          "%s pkg %s", bp->fw_ver_str, pkgver);
 612         else
 613                 strlcpy(info->fw_version, bp->fw_ver_str,
 614                         sizeof(info->fw_version));
 615         strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
 616         info->n_stats = BNXT_NUM_STATS * bp->cp_nr_rings;
 617         info->testinfo_len = BNXT_NUM_TESTS(bp);
 618         /* TODO CHIMP_FW: eeprom dump details */
 619         info->eedump_len = 0;
 620         /* TODO CHIMP FW: reg dump details */
 621         info->regdump_len = 0;
 622         kfree(pkglog);
 623 }
 624
 625 u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause)
 626 {
 627         u32 speed_mask = 0;
 628
 629         /* TODO: support 25GB, 40GB, 50GB with different cable type */
 630         /* set the advertised speeds */
 631         if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB)
 632                 speed_mask |= ADVERTISED_100baseT_Full;
 633         if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB)
 634                 speed_mask |= ADVERTISED_1000baseT_Full;
 635         if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB)
 636                 speed_mask |= ADVERTISED_2500baseX_Full;
 637         if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB)
 638                 speed_mask |= ADVERTISED_10000baseT_Full;
 639         if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB)
 640                 speed_mask |= ADVERTISED_40000baseCR4_Full;
 641
 642         if ((fw_pause & BNXT_LINK_PAUSE_BOTH) == BNXT_LINK_PAUSE_BOTH)
 643                 speed_mask |= ADVERTISED_Pause;
 644         else if (fw_pause & BNXT_LINK_PAUSE_TX)
 645                 speed_mask |= ADVERTISED_Asym_Pause;
 646         else if (fw_pause & BNXT_LINK_PAUSE_RX)
 647                 speed_mask |= ADVERTISED_Pause | ADVERTISED_Asym_Pause;
 648
 649         return speed_mask;
 650 }
 651
 652 #define BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, name)\
 653 {                                                                       \
 654         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100MB)                    \
 655                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
 656                                                      100baseT_Full);    \
 657         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_1GB)                      \
 658                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
 659                                                      1000baseT_Full);   \
 660         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_10GB)                     \
 661                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
 662                                                      10000baseT_Full);  \
 663         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_25GB)                     \
 664                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
 665                                                      25000baseCR_Full); \
 666         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_40GB)                     \
 667                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
 668                                                      40000baseCR4_Full);\
 669         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_50GB)                     \
 670                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
 671                                                      50000baseCR2_Full);\
 672         if ((fw_pause) & BNXT_LINK_PAUSE_RX) {                          \
 673                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
 674                                                      Pause);            \
 675                 if (!((fw_pause) & BNXT_LINK_PAUSE_TX))                 \
 676                         ethtool_link_ksettings_add_link_mode(           \
 677                                         lk_ksettings, name, Asym_Pause);\
 678         } else if ((fw_pause) & BNXT_LINK_PAUSE_TX) {                   \
 679                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
 680                                                      Asym_Pause);       \
 681         }                                                               \
 682 }
 683
 684 #define BNXT_ETHTOOL_TO_FW_SPDS(fw_speeds, lk_ksettings, name)          \
 685 {                                                                       \
 686         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
 687                                                   100baseT_Full) ||     \
 688             ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
 689                                                   100baseT_Half))       \
 690                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_100MB;               \
 691         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
 692                                                   1000baseT_Full) ||    \
 693             ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
 694                                                   1000baseT_Half))      \
 695                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_1GB;                 \
 696         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
 697                                                   10000baseT_Full))     \
 698                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_10GB;                \
 699         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
 700                                                   25000baseCR_Full))    \
 701                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_25GB;                \
 702         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
 703                                                   40000baseCR4_Full))   \
 704                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_40GB;                \
 705         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
 706                                                   50000baseCR2_Full))   \
 707                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_50GB;                \
 708 }
 709
 710 static void bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info,
 711                                 struct ethtool_link_ksettings *lk_ksettings)
 712 {
 713         u16 fw_speeds = link_info->auto_link_speeds;
 714         u8 fw_pause = 0;
 715
 716         if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
 717                 fw_pause = link_info->auto_pause_setting;
 718
 719         BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, advertising);
 720 }
 721
 722 static void bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info,
 723                                 struct ethtool_link_ksettings *lk_ksettings)
 724 {
 725         u16 fw_speeds = link_info->lp_auto_link_speeds;
 726         u8 fw_pause = 0;
 727
 728         if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
 729                 fw_pause = link_info->lp_pause;
 730
 731         BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings,
 732                                 lp_advertising);
 733 }
 734
 735 static void bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info,
 736                                 struct ethtool_link_ksettings *lk_ksettings)
 737 {
 738         u16 fw_speeds = link_info->support_speeds;
 739
 740         BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, 0, lk_ksettings, supported);
 741
 742         ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, Pause);
 743         ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
 744                                              Asym_Pause);
 745
 746         if (link_info->support_auto_speeds)
 747                 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
 748                                                      Autoneg);
 749 }
 750
 751 u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed)
 752 {
 753         switch (fw_link_speed) {
 754         case BNXT_LINK_SPEED_100MB:
 755                 return SPEED_100;
 756         case BNXT_LINK_SPEED_1GB:
 757                 return SPEED_1000;
 758         case BNXT_LINK_SPEED_2_5GB:
 759                 return SPEED_2500;
 760         case BNXT_LINK_SPEED_10GB:
 761                 return SPEED_10000;
 762         case BNXT_LINK_SPEED_20GB:
 763                 return SPEED_20000;
 764         case BNXT_LINK_SPEED_25GB:
 765                 return SPEED_25000;
 766         case BNXT_LINK_SPEED_40GB:
 767                 return SPEED_40000;
 768         case BNXT_LINK_SPEED_50GB:
 769                 return SPEED_50000;
 770         default:
 771                 return SPEED_UNKNOWN;
 772         }
 773 }
 774
 775 static int bnxt_get_link_ksettings(struct net_device *dev,
 776                                    struct ethtool_link_ksettings *lk_ksettings)
 777 {
 778         struct bnxt *bp = netdev_priv(dev);
 779         struct bnxt_link_info *link_info = &bp->link_info;
 780         struct ethtool_link_settings *base = &lk_ksettings->base;
 781         u32 ethtool_speed;
 782
 783         ethtool_link_ksettings_zero_link_mode(lk_ksettings, supported);
 784         bnxt_fw_to_ethtool_support_spds(link_info, lk_ksettings);
 785
 786         ethtool_link_ksettings_zero_link_mode(lk_ksettings, advertising);
 787         if (link_info->autoneg) {
 788                 bnxt_fw_to_ethtool_advertised_spds(link_info, lk_ksettings);
 789                 ethtool_link_ksettings_add_link_mode(lk_ksettings,
 790                                                      advertising, Autoneg);
 791                 base->autoneg = AUTONEG_ENABLE;
 792                 if (link_info->phy_link_status == BNXT_LINK_LINK)
 793                         bnxt_fw_to_ethtool_lp_adv(link_info, lk_ksettings);
 794                 ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed);
 795                 if (!netif_carrier_ok(dev))
 796                         base->duplex = DUPLEX_UNKNOWN;
 797                 else if (link_info->duplex & BNXT_LINK_DUPLEX_FULL)
 798                         base->duplex = DUPLEX_FULL;
 799                 else
 800                         base->duplex = DUPLEX_HALF;
 801         } else {
 802                 base->autoneg = AUTONEG_DISABLE;
 803                 ethtool_speed =
 804                         bnxt_fw_to_ethtool_speed(link_info->req_link_speed);
 805                 base->duplex = DUPLEX_HALF;
 806                 if (link_info->req_duplex == BNXT_LINK_DUPLEX_FULL)
 807                         base->duplex = DUPLEX_FULL;
 808         }
 809         base->speed = ethtool_speed;
 810
 811         base->port = PORT_NONE;
 812         if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
 813                 base->port = PORT_TP;
 814                 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
 815                                                      TP);
 816                 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
 817                                                      TP);
 818         } else {
 819                 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
 820                                                      FIBRE);
 821                 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
 822                                                      FIBRE);
 823
 824                 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC)
 825                         base->port = PORT_DA;
 826                 else if (link_info->media_type ==
 827                          PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE)
 828                         base->port = PORT_FIBRE;
 829         }
 830         base->phy_address = link_info->phy_addr;
 831
 832         return 0;
 833 }
 834
 835 static u32 bnxt_get_fw_speed(struct net_device *dev, u16 ethtool_speed)
 836 {
 837         struct bnxt *bp = netdev_priv(dev);
 838         struct bnxt_link_info *link_info = &bp->link_info;
 839         u16 support_spds = link_info->support_speeds;
 840         u32 fw_speed = 0;
 841
 842         switch (ethtool_speed) {
 843         case SPEED_100:
 844                 if (support_spds & BNXT_LINK_SPEED_MSK_100MB)
 845                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100MB;
 846                 break;
 847         case SPEED_1000:
 848                 if (support_spds & BNXT_LINK_SPEED_MSK_1GB)
 849                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_1GB;
 850                 break;
 851         case SPEED_2500:
 852                 if (support_spds & BNXT_LINK_SPEED_MSK_2_5GB)
 853                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_2_5GB;
 854                 break;
 855         case SPEED_10000:
 856                 if (support_spds & BNXT_LINK_SPEED_MSK_10GB)
 857                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_10GB;
 858                 break;
 859         case SPEED_20000:
 860                 if (support_spds & BNXT_LINK_SPEED_MSK_20GB)
 861                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_20GB;
 862                 break;
 863         case SPEED_25000:
 864                 if (support_spds & BNXT_LINK_SPEED_MSK_25GB)
 865                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_25GB;
 866                 break;
 867         case SPEED_40000:
 868                 if (support_spds & BNXT_LINK_SPEED_MSK_40GB)
 869                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_40GB;
 870                 break;
 871         case SPEED_50000:
 872                 if (support_spds & BNXT_LINK_SPEED_MSK_50GB)
 873                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB;
 874                 break;
 875         default:
 876                 netdev_err(dev, "unsupported speed!\n");
 877                 break;
 878         }
 879         return fw_speed;
 880 }
 881
 882 u16 bnxt_get_fw_auto_link_speeds(u32 advertising)
 883 {
 884         u16 fw_speed_mask = 0;
 885
 886         /* only support autoneg at speed 100, 1000, and 10000 */
 887         if (advertising & (ADVERTISED_100baseT_Full |
 888                            ADVERTISED_100baseT_Half)) {
 889                 fw_speed_mask |= BNXT_LINK_SPEED_MSK_100MB;
 890         }
 891         if (advertising & (ADVERTISED_1000baseT_Full |
 892                            ADVERTISED_1000baseT_Half)) {
 893                 fw_speed_mask |= BNXT_LINK_SPEED_MSK_1GB;
 894         }
 895         if (advertising & ADVERTISED_10000baseT_Full)
 896                 fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB;
 897
 898         if (advertising & ADVERTISED_40000baseCR4_Full)
 899                 fw_speed_mask |= BNXT_LINK_SPEED_MSK_40GB;
 900
 901         return fw_speed_mask;
 902 }
 903
 904 static int bnxt_set_link_ksettings(struct net_device *dev,
 905                            const struct ethtool_link_ksettings *lk_ksettings)
 906 {
 907         struct bnxt *bp = netdev_priv(dev);
 908         struct bnxt_link_info *link_info = &bp->link_info;
 909         const struct ethtool_link_settings *base = &lk_ksettings->base;
 910         u32 speed, fw_advertising = 0;
 911         bool set_pause = false;
 912         int rc = 0;
 913
 914         if (!BNXT_SINGLE_PF(bp))
 915                 return -EOPNOTSUPP;
 916
 917         if (base->autoneg == AUTONEG_ENABLE) {
 918                 BNXT_ETHTOOL_TO_FW_SPDS(fw_advertising, lk_ksettings,
 919                                         advertising);
 920                 link_info->autoneg |= BNXT_AUTONEG_SPEED;
 921                 if (!fw_advertising)
 922                         link_info->advertising = link_info->support_auto_speeds;
 923                 else
 924                         link_info->advertising = fw_advertising;
 925                 /* any change to autoneg will cause link change, therefore the
 926                  * driver should put back the original pause setting in autoneg
 927                  */
 928                 set_pause = true;
 929         } else {
 930                 u16 fw_speed;
 931                 u8 phy_type = link_info->phy_type;
 932
 933                 if (phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASET  ||
 934                     phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASETE ||
 935                     link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
 936                         netdev_err(dev, "10GBase-T devices must autoneg\n");
 937                         rc = -EINVAL;
 938                         goto set_setting_exit;
 939                 }
 940                 if (base->duplex == DUPLEX_HALF) {
 941                         netdev_err(dev, "HALF DUPLEX is not supported!\n");
 942                         rc = -EINVAL;
 943                         goto set_setting_exit;
 944                 }
 945                 speed = base->speed;
 946                 fw_speed = bnxt_get_fw_speed(dev, speed);
 947                 if (!fw_speed) {
 948                         rc = -EINVAL;
 949                         goto set_setting_exit;
 950                 }
 951                 link_info->req_link_speed = fw_speed;
 952                 link_info->req_duplex = BNXT_LINK_DUPLEX_FULL;
 953                 link_info->autoneg = 0;
 954                 link_info->advertising = 0;
 955         }
 956
 957         if (netif_running(dev))
 958                 rc = bnxt_hwrm_set_link_setting(bp, set_pause, false);
 959
 960 set_setting_exit:
 961         return rc;
 962 }
 963
 964 static void bnxt_get_pauseparam(struct net_device *dev,
 965                                 struct ethtool_pauseparam *epause)
 966 {
 967         struct bnxt *bp = netdev_priv(dev);
 968         struct bnxt_link_info *link_info = &bp->link_info;
 969
 970         if (BNXT_VF(bp))
 971                 return;
 972         epause->autoneg = !!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL);
 973         epause->rx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_RX);
 974         epause->tx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_TX);
 975 }
 976
 977 static int bnxt_set_pauseparam(struct net_device *dev,
 978                                struct ethtool_pauseparam *epause)
 979 {
 980         int rc = 0;
 981         struct bnxt *bp = netdev_priv(dev);
 982         struct bnxt_link_info *link_info = &bp->link_info;
 983
 984         if (!BNXT_SINGLE_PF(bp))
 985                 return -EOPNOTSUPP;
 986
 987         if (epause->autoneg) {
 988                 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
 989                         return -EINVAL;
 990
 991                 link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL;
 992                 if (bp->hwrm_spec_code >= 0x10201)
 993                         link_info->req_flow_ctrl =
 994                                 PORT_PHY_CFG_REQ_AUTO_PAUSE_AUTONEG_PAUSE;
 995         } else {
 996                 /* when transition from auto pause to force pause,
 997                  * force a link change
 998                  */
 999                 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
1000                         link_info->force_link_chng = true;
1001                 link_info->autoneg &= ~BNXT_AUTONEG_FLOW_CTRL;
1002                 link_info->req_flow_ctrl = 0;
1003         }
1004         if (epause->rx_pause)
1005                 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX;
1006
1007         if (epause->tx_pause)
1008                 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX;
1009
1010         if (netif_running(dev))
1011                 rc = bnxt_hwrm_set_pause(bp);
1012         return rc;
1013 }
1014
1015 static u32 bnxt_get_link(struct net_device *dev)
1016 {
1017         struct bnxt *bp = netdev_priv(dev);
1018
1019         /* TODO: handle MF, VF, driver close case */
1020         return bp->link_info.link_up;
1021 }
1022
1023 static int bnxt_flash_nvram(struct net_device *dev,
1024                             u16 dir_type,
1025                             u16 dir_ordinal,
1026                             u16 dir_ext,
1027                             u16 dir_attr,
1028                             const u8 *data,
1029                             size_t data_len)
1030 {
1031         struct bnxt *bp = netdev_priv(dev);
1032         int rc;
1033         struct hwrm_nvm_write_input req = {0};
1034         dma_addr_t dma_handle;
1035         u8 *kmem;
1036
1037         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_WRITE, -1, -1);
1038
1039         req.dir_type = cpu_to_le16(dir_type);
1040         req.dir_ordinal = cpu_to_le16(dir_ordinal);
1041         req.dir_ext = cpu_to_le16(dir_ext);
1042         req.dir_attr = cpu_to_le16(dir_attr);
1043         req.dir_data_length = cpu_to_le32(data_len);
1044
1045         kmem = dma_alloc_coherent(&bp->pdev->dev, data_len, &dma_handle,
1046                                   GFP_KERNEL);
1047         if (!kmem) {
1048                 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1049                            (unsigned)data_len);
1050                 return -ENOMEM;
1051         }
1052         memcpy(kmem, data, data_len);
1053         req.host_src_addr = cpu_to_le64(dma_handle);
1054
1055         rc = hwrm_send_message(bp, &req, sizeof(req), FLASH_NVRAM_TIMEOUT);
1056         dma_free_coherent(&bp->pdev->dev, data_len, kmem, dma_handle);
1057
1058         return rc;
1059 }
1060
1061 static int bnxt_firmware_reset(struct net_device *dev,
1062                                u16 dir_type)
1063 {
1064         struct bnxt *bp = netdev_priv(dev);
1065         struct hwrm_fw_reset_input req = {0};
1066
1067         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1);
1068
1069         /* TODO: Support ASAP ChiMP self-reset (e.g. upon PF driver unload) */
1070         /* TODO: Address self-reset of APE/KONG/BONO/TANG or ungraceful reset */
1071         /*       (e.g. when firmware isn't already running) */
1072         switch (dir_type) {
1073         case BNX_DIR_TYPE_CHIMP_PATCH:
1074         case BNX_DIR_TYPE_BOOTCODE:
1075         case BNX_DIR_TYPE_BOOTCODE_2:
1076                 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT;
1077                 /* Self-reset ChiMP upon next PCIe reset: */
1078                 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
1079                 break;
1080         case BNX_DIR_TYPE_APE_FW:
1081         case BNX_DIR_TYPE_APE_PATCH:
1082                 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT;
1083                 /* Self-reset APE upon next PCIe reset: */
1084                 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
1085                 break;
1086         case BNX_DIR_TYPE_KONG_FW:
1087         case BNX_DIR_TYPE_KONG_PATCH:
1088                 req.embedded_proc_type =
1089                         FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL;
1090                 break;
1091         case BNX_DIR_TYPE_BONO_FW:
1092         case BNX_DIR_TYPE_BONO_PATCH:
1093                 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE;
1094                 break;
1095         default:
1096                 return -EINVAL;
1097         }
1098
1099         return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1100 }
1101
1102 static int bnxt_flash_firmware(struct net_device *dev,
1103                                u16 dir_type,
1104                                const u8 *fw_data,
1105                                size_t fw_size)
1106 {
1107         int     rc = 0;
1108         u16     code_type;
1109         u32     stored_crc;
1110         u32     calculated_crc;
1111         struct bnxt_fw_header *header = (struct bnxt_fw_header *)fw_data;
1112
1113         switch (dir_type) {
1114         case BNX_DIR_TYPE_BOOTCODE:
1115         case BNX_DIR_TYPE_BOOTCODE_2:
1116                 code_type = CODE_BOOT;
1117                 break;
1118         case BNX_DIR_TYPE_CHIMP_PATCH:
1119                 code_type = CODE_CHIMP_PATCH;
1120                 break;
1121         case BNX_DIR_TYPE_APE_FW:
1122                 code_type = CODE_MCTP_PASSTHRU;
1123                 break;
1124         case BNX_DIR_TYPE_APE_PATCH:
1125                 code_type = CODE_APE_PATCH;
1126                 break;
1127         case BNX_DIR_TYPE_KONG_FW:
1128                 code_type = CODE_KONG_FW;
1129                 break;
1130         case BNX_DIR_TYPE_KONG_PATCH:
1131                 code_type = CODE_KONG_PATCH;
1132                 break;
1133         case BNX_DIR_TYPE_BONO_FW:
1134                 code_type = CODE_BONO_FW;
1135                 break;
1136         case BNX_DIR_TYPE_BONO_PATCH:
1137                 code_type = CODE_BONO_PATCH;
1138                 break;
1139         default:
1140                 netdev_err(dev, "Unsupported directory entry type: %u\n",
1141                            dir_type);
1142                 return -EINVAL;
1143         }
1144         if (fw_size < sizeof(struct bnxt_fw_header)) {
1145                 netdev_err(dev, "Invalid firmware file size: %u\n",
1146                            (unsigned int)fw_size);
1147                 return -EINVAL;
1148         }
1149         if (header->signature != cpu_to_le32(BNXT_FIRMWARE_BIN_SIGNATURE)) {
1150                 netdev_err(dev, "Invalid firmware signature: %08X\n",
1151                            le32_to_cpu(header->signature));
1152                 return -EINVAL;
1153         }
1154         if (header->code_type != code_type) {
1155                 netdev_err(dev, "Expected firmware type: %d, read: %d\n",
1156                            code_type, header->code_type);
1157                 return -EINVAL;
1158         }
1159         if (header->device != DEVICE_CUMULUS_FAMILY) {
1160                 netdev_err(dev, "Expected firmware device family %d, read: %d\n",
1161                            DEVICE_CUMULUS_FAMILY, header->device);
1162                 return -EINVAL;
1163         }
1164         /* Confirm the CRC32 checksum of the file: */
1165         stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
1166                                              sizeof(stored_crc)));
1167         calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
1168         if (calculated_crc != stored_crc) {
1169                 netdev_err(dev, "Firmware file CRC32 checksum (%08lX) does not match calculated checksum (%08lX)\n",
1170                            (unsigned long)stored_crc,
1171                            (unsigned long)calculated_crc);
1172                 return -EINVAL;
1173         }
1174         /* TODO: Validate digital signature (RSA-encrypted SHA-256 hash) here */
1175         rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1176                               0, 0, fw_data, fw_size);
1177         if (rc == 0)    /* Firmware update successful */
1178                 rc = bnxt_firmware_reset(dev, dir_type);
1179
1180         return rc;
1181 }
1182
1183 static bool bnxt_dir_type_is_ape_bin_format(u16 dir_type)
1184 {
1185         switch (dir_type) {
1186         case BNX_DIR_TYPE_CHIMP_PATCH:
1187         case BNX_DIR_TYPE_BOOTCODE:
1188         case BNX_DIR_TYPE_BOOTCODE_2:
1189         case BNX_DIR_TYPE_APE_FW:
1190         case BNX_DIR_TYPE_APE_PATCH:
1191         case BNX_DIR_TYPE_KONG_FW:
1192         case BNX_DIR_TYPE_KONG_PATCH:
1193         case BNX_DIR_TYPE_BONO_FW:
1194         case BNX_DIR_TYPE_BONO_PATCH:
1195                 return true;
1196         }
1197
1198         return false;
1199 }
1200
1201 static bool bnxt_dir_type_is_unprotected_exec_format(u16 dir_type)
1202 {
1203         switch (dir_type) {
1204         case BNX_DIR_TYPE_AVS:
1205         case BNX_DIR_TYPE_EXP_ROM_MBA:
1206         case BNX_DIR_TYPE_PCIE:
1207         case BNX_DIR_TYPE_TSCF_UCODE:
1208         case BNX_DIR_TYPE_EXT_PHY:
1209         case BNX_DIR_TYPE_CCM:
1210         case BNX_DIR_TYPE_ISCSI_BOOT:
1211         case BNX_DIR_TYPE_ISCSI_BOOT_IPV6:
1212         case BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6:
1213                 return true;
1214         }
1215
1216         return false;
1217 }
1218
1219 static bool bnxt_dir_type_is_executable(u16 dir_type)
1220 {
1221         return bnxt_dir_type_is_ape_bin_format(dir_type) ||
1222                 bnxt_dir_type_is_unprotected_exec_format(dir_type);
1223 }
1224
1225 static int bnxt_flash_firmware_from_file(struct net_device *dev,
1226                                          u16 dir_type,
1227                                          const char *filename)
1228 {
1229         const struct firmware  *fw;
1230         int                     rc;
1231
1232         if (dir_type != BNX_DIR_TYPE_UPDATE &&
1233             bnxt_dir_type_is_executable(dir_type) == false)
1234                 return -EINVAL;
1235
1236         rc = request_firmware(&fw, filename, &dev->dev);
1237         if (rc != 0) {
1238                 netdev_err(dev, "Error %d requesting firmware file: %s\n",
1239                            rc, filename);
1240                 return rc;
1241         }
1242         if (bnxt_dir_type_is_ape_bin_format(dir_type) == true)
1243                 rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size);
1244         else
1245                 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1246                                       0, 0, fw->data, fw->size);
1247         release_firmware(fw);
1248         return rc;
1249 }
1250
1251 static int bnxt_flash_package_from_file(struct net_device *dev,
1252                                         char *filename)
1253 {
1254         netdev_err(dev, "packages are not yet supported\n");
1255         return -EINVAL;
1256 }
1257
1258 static int bnxt_flash_device(struct net_device *dev,
1259                              struct ethtool_flash *flash)
1260 {
1261         if (!BNXT_PF((struct bnxt *)netdev_priv(dev))) {
1262                 netdev_err(dev, "flashdev not supported from a virtual function\n");
1263                 return -EINVAL;
1264         }
1265
1266         if (flash->region == ETHTOOL_FLASH_ALL_REGIONS)
1267                 return bnxt_flash_package_from_file(dev, flash->data);
1268
1269         return bnxt_flash_firmware_from_file(dev, flash->region, flash->data);
1270 }
1271
1272 static int nvm_get_dir_info(struct net_device *dev, u32 *entries, u32 *length)
1273 {
1274         struct bnxt *bp = netdev_priv(dev);
1275         int rc;
1276         struct hwrm_nvm_get_dir_info_input req = {0};
1277         struct hwrm_nvm_get_dir_info_output *output = bp->hwrm_cmd_resp_addr;
1278
1279         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_INFO, -1, -1);
1280
1281         mutex_lock(&bp->hwrm_cmd_lock);
1282         rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1283         if (!rc) {
1284                 *entries = le32_to_cpu(output->entries);
1285                 *length = le32_to_cpu(output->entry_length);
1286         }
1287         mutex_unlock(&bp->hwrm_cmd_lock);
1288         return rc;
1289 }
1290
1291 static int bnxt_get_eeprom_len(struct net_device *dev)
1292 {
1293         /* The -1 return value allows the entire 32-bit range of offsets to be
1294          * passed via the ethtool command-line utility.
1295          */
1296         return -1;
1297 }
1298
1299 static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data)
1300 {
1301         struct bnxt *bp = netdev_priv(dev);
1302         int rc;
1303         u32 dir_entries;
1304         u32 entry_length;
1305         u8 *buf;
1306         size_t buflen;
1307         dma_addr_t dma_handle;
1308         struct hwrm_nvm_get_dir_entries_input req = {0};
1309
1310         rc = nvm_get_dir_info(dev, &dir_entries, &entry_length);
1311         if (rc != 0)
1312                 return rc;
1313
1314         /* Insert 2 bytes of directory info (count and size of entries) */
1315         if (len < 2)
1316                 return -EINVAL;
1317
1318         *data++ = dir_entries;
1319         *data++ = entry_length;
1320         len -= 2;
1321         memset(data, 0xff, len);
1322
1323         buflen = dir_entries * entry_length;
1324         buf = dma_alloc_coherent(&bp->pdev->dev, buflen, &dma_handle,
1325                                  GFP_KERNEL);
1326         if (!buf) {
1327                 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1328                            (unsigned)buflen);
1329                 return -ENOMEM;
1330         }
1331         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_ENTRIES, -1, -1);
1332         req.host_dest_addr = cpu_to_le64(dma_handle);
1333         rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1334         if (rc == 0)
1335                 memcpy(data, buf, len > buflen ? buflen : len);
1336         dma_free_coherent(&bp->pdev->dev, buflen, buf, dma_handle);
1337         return rc;
1338 }
1339
1340 static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset,
1341                                u32 length, u8 *data)
1342 {
1343         struct bnxt *bp = netdev_priv(dev);
1344         int rc;
1345         u8 *buf;
1346         dma_addr_t dma_handle;
1347         struct hwrm_nvm_read_input req = {0};
1348
1349         buf = dma_alloc_coherent(&bp->pdev->dev, length, &dma_handle,
1350                                  GFP_KERNEL);
1351         if (!buf) {
1352                 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1353                            (unsigned)length);
1354                 return -ENOMEM;
1355         }
1356         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_READ, -1, -1);
1357         req.host_dest_addr = cpu_to_le64(dma_handle);
1358         req.dir_idx = cpu_to_le16(index);
1359         req.offset = cpu_to_le32(offset);
1360         req.len = cpu_to_le32(length);
1361
1362         rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1363         if (rc == 0)
1364                 memcpy(data, buf, length);
1365         dma_free_coherent(&bp->pdev->dev, length, buf, dma_handle);
1366         return rc;
1367 }
1368
1369 static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
1370                                 u16 ext, u16 *index, u32 *item_length,
1371                                 u32 *data_length)
1372 {
1373         struct bnxt *bp = netdev_priv(dev);
1374         int rc;
1375         struct hwrm_nvm_find_dir_entry_input req = {0};
1376         struct hwrm_nvm_find_dir_entry_output *output = bp->hwrm_cmd_resp_addr;
1377
1378         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_FIND_DIR_ENTRY, -1, -1);
1379         req.enables = 0;
1380         req.dir_idx = 0;
1381         req.dir_type = cpu_to_le16(type);
1382         req.dir_ordinal = cpu_to_le16(ordinal);
1383         req.dir_ext = cpu_to_le16(ext);
1384         req.opt_ordinal = NVM_FIND_DIR_ENTRY_REQ_OPT_ORDINAL_EQ;
1385         rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1386         if (rc == 0) {
1387                 if (index)
1388                         *index = le16_to_cpu(output->dir_idx);
1389                 if (item_length)
1390                         *item_length = le32_to_cpu(output->dir_item_length);
1391                 if (data_length)
1392                         *data_length = le32_to_cpu(output->dir_data_length);
1393         }
1394         return rc;
1395 }
1396
1397 static char *bnxt_parse_pkglog(int desired_field, u8 *data, size_t datalen)
1398 {
1399         char    *retval = NULL;
1400         char    *p;
1401         char    *value;
1402         int     field = 0;
1403
1404         if (datalen < 1)
1405                 return NULL;
1406         /* null-terminate the log data (removing last '\n'): */
1407         data[datalen - 1] = 0;
1408         for (p = data; *p != 0; p++) {
1409                 field = 0;
1410                 retval = NULL;
1411                 while (*p != 0 && *p != '\n') {
1412                         value = p;
1413                         while (*p != 0 && *p != '\t' && *p != '\n')
1414                                 p++;
1415                         if (field == desired_field)
1416                                 retval = value;
1417                         if (*p != '\t')
1418                                 break;
1419                         *p = 0;
1420                         field++;
1421                         p++;
1422                 }
1423                 if (*p == 0)
1424                         break;
1425                 *p = 0;
1426         }
1427         return retval;
1428 }
1429
1430 static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen)
1431 {
1432         u16 index = 0;
1433         u32 datalen;
1434
1435         if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG,
1436                                  BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
1437                                  &index, NULL, &datalen) != 0)
1438                 return NULL;
1439
1440         memset(buf, 0, buflen);
1441         if (bnxt_get_nvram_item(dev, index, 0, datalen, buf) != 0)
1442                 return NULL;
1443
1444         return bnxt_parse_pkglog(BNX_PKG_LOG_FIELD_IDX_PKG_VERSION, buf,
1445                 datalen);
1446 }
1447
1448 static int bnxt_get_eeprom(struct net_device *dev,
1449                            struct ethtool_eeprom *eeprom,
1450                            u8 *data)
1451 {
1452         u32 index;
1453         u32 offset;
1454
1455         if (eeprom->offset == 0) /* special offset value to get directory */
1456                 return bnxt_get_nvram_directory(dev, eeprom->len, data);
1457
1458         index = eeprom->offset >> 24;
1459         offset = eeprom->offset & 0xffffff;
1460
1461         if (index == 0) {
1462                 netdev_err(dev, "unsupported index value: %d\n", index);
1463                 return -EINVAL;
1464         }
1465
1466         return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data);
1467 }
1468
1469 static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index)
1470 {
1471         struct bnxt *bp = netdev_priv(dev);
1472         struct hwrm_nvm_erase_dir_entry_input req = {0};
1473
1474         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_ERASE_DIR_ENTRY, -1, -1);
1475         req.dir_idx = cpu_to_le16(index);
1476         return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1477 }
1478
1479 static int bnxt_set_eeprom(struct net_device *dev,
1480                            struct ethtool_eeprom *eeprom,
1481                            u8 *data)
1482 {
1483         struct bnxt *bp = netdev_priv(dev);
1484         u8 index, dir_op;
1485         u16 type, ext, ordinal, attr;
1486
1487         if (!BNXT_PF(bp)) {
1488                 netdev_err(dev, "NVM write not supported from a virtual function\n");
1489                 return -EINVAL;
1490         }
1491
1492         type = eeprom->magic >> 16;
1493
1494         if (type == 0xffff) { /* special value for directory operations */
1495                 index = eeprom->magic & 0xff;
1496                 dir_op = eeprom->magic >> 8;
1497                 if (index == 0)
1498                         return -EINVAL;
1499                 switch (dir_op) {
1500                 case 0x0e: /* erase */
1501                         if (eeprom->offset != ~eeprom->magic)
1502                                 return -EINVAL;
1503                         return bnxt_erase_nvram_directory(dev, index - 1);
1504                 default:
1505                         return -EINVAL;
1506                 }
1507         }
1508
1509         /* Create or re-write an NVM item: */
1510         if (bnxt_dir_type_is_executable(type) == true)
1511                 return -EINVAL;
1512         ext = eeprom->magic & 0xffff;
1513         ordinal = eeprom->offset >> 16;
1514         attr = eeprom->offset & 0xffff;
1515
1516         return bnxt_flash_nvram(dev, type, ordinal, ext, attr, data,
1517                                 eeprom->len);
1518 }
1519
1520 static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata)
1521 {
1522         struct bnxt *bp = netdev_priv(dev);
1523         struct ethtool_eee *eee = &bp->eee;
1524         struct bnxt_link_info *link_info = &bp->link_info;
1525         u32 advertising =
1526                  _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0);
1527         int rc = 0;
1528
1529         if (!BNXT_SINGLE_PF(bp))
1530                 return -EOPNOTSUPP;
1531
1532         if (!(bp->flags & BNXT_FLAG_EEE_CAP))
1533                 return -EOPNOTSUPP;
1534
1535         if (!edata->eee_enabled)
1536                 goto eee_ok;
1537
1538         if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) {
1539                 netdev_warn(dev, "EEE requires autoneg\n");
1540                 return -EINVAL;
1541         }
1542         if (edata->tx_lpi_enabled) {
1543                 if (bp->lpi_tmr_hi && (edata->tx_lpi_timer > bp->lpi_tmr_hi ||
1544                                        edata->tx_lpi_timer < bp->lpi_tmr_lo)) {
1545                         netdev_warn(dev, "Valid LPI timer range is %d and %d microsecs\n",
1546                                     bp->lpi_tmr_lo, bp->lpi_tmr_hi);
1547                         return -EINVAL;
1548                 } else if (!bp->lpi_tmr_hi) {
1549                         edata->tx_lpi_timer = eee->tx_lpi_timer;
1550                 }
1551         }
1552         if (!edata->advertised) {
1553                 edata->advertised = advertising & eee->supported;
1554         } else if (edata->advertised & ~advertising) {
1555                 netdev_warn(dev, "EEE advertised %x must be a subset of autoneg advertised speeds %x\n",
1556                             edata->advertised, advertising);
1557                 return -EINVAL;
1558         }
1559
1560         eee->advertised = edata->advertised;
1561         eee->tx_lpi_enabled = edata->tx_lpi_enabled;
1562         eee->tx_lpi_timer = edata->tx_lpi_timer;
1563 eee_ok:
1564         eee->eee_enabled = edata->eee_enabled;
1565
1566         if (netif_running(dev))
1567                 rc = bnxt_hwrm_set_link_setting(bp, false, true);
1568
1569         return rc;
1570 }
1571
1572 static int bnxt_get_eee(struct net_device *dev, struct ethtool_eee *edata)
1573 {
1574         struct bnxt *bp = netdev_priv(dev);
1575
1576         if (!(bp->flags & BNXT_FLAG_EEE_CAP))
1577                 return -EOPNOTSUPP;
1578
1579         *edata = bp->eee;
1580         if (!bp->eee.eee_enabled) {
1581                 /* Preserve tx_lpi_timer so that the last value will be used
1582                  * by default when it is re-enabled.
1583                  */
1584                 edata->advertised = 0;
1585                 edata->tx_lpi_enabled = 0;
1586         }
1587
1588         if (!bp->eee.eee_active)
1589                 edata->lp_advertised = 0;
1590
1591         return 0;
1592 }
1593
1594 static int bnxt_read_sfp_module_eeprom_info(struct bnxt *bp, u16 i2c_addr,
1595                                             u16 page_number, u16 start_addr,
1596                                             u16 data_length, u8 *buf)
1597 {
1598         struct hwrm_port_phy_i2c_read_input req = {0};
1599         struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr;
1600         int rc, byte_offset = 0;
1601
1602         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1);
1603         req.i2c_slave_addr = i2c_addr;
1604         req.page_number = cpu_to_le16(page_number);
1605         req.port_id = cpu_to_le16(bp->pf.port_id);
1606         do {
1607                 u16 xfer_size;
1608
1609                 xfer_size = min_t(u16, data_length, BNXT_MAX_PHY_I2C_RESP_SIZE);
1610                 data_length -= xfer_size;
1611                 req.page_offset = cpu_to_le16(start_addr + byte_offset);
1612                 req.data_length = xfer_size;
1613                 req.enables = cpu_to_le32(start_addr + byte_offset ?
1614                                  PORT_PHY_I2C_READ_REQ_ENABLES_PAGE_OFFSET : 0);
1615                 mutex_lock(&bp->hwrm_cmd_lock);
1616                 rc = _hwrm_send_message(bp, &req, sizeof(req),
1617                                         HWRM_CMD_TIMEOUT);
1618                 if (!rc)
1619                         memcpy(buf + byte_offset, output->data, xfer_size);
1620                 mutex_unlock(&bp->hwrm_cmd_lock);
1621                 byte_offset += xfer_size;
1622         } while (!rc && data_length > 0);
1623
1624         return rc;
1625 }
1626
1627 static int bnxt_get_module_info(struct net_device *dev,
1628                                 struct ethtool_modinfo *modinfo)
1629 {
1630         struct bnxt *bp = netdev_priv(dev);
1631         struct hwrm_port_phy_i2c_read_input req = {0};
1632         struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr;
1633         int rc;
1634
1635         /* No point in going further if phy status indicates
1636          * module is not inserted or if it is powered down or
1637          * if it is of type 10GBase-T
1638          */
1639         if (bp->link_info.module_status >
1640                 PORT_PHY_QCFG_RESP_MODULE_STATUS_WARNINGMSG)
1641                 return -EOPNOTSUPP;
1642
1643         /* This feature is not supported in older firmware versions */
1644         if (bp->hwrm_spec_code < 0x10202)
1645                 return -EOPNOTSUPP;
1646
1647         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1);
1648         req.i2c_slave_addr = I2C_DEV_ADDR_A0;
1649         req.page_number = 0;
1650         req.page_offset = cpu_to_le16(SFP_EEPROM_SFF_8472_COMP_ADDR);
1651         req.data_length = SFP_EEPROM_SFF_8472_COMP_SIZE;
1652         req.port_id = cpu_to_le16(bp->pf.port_id);
1653         mutex_lock(&bp->hwrm_cmd_lock);
1654         rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1655         if (!rc) {
1656                 u32 module_id = le32_to_cpu(output->data[0]);
1657
1658                 switch (module_id) {
1659                 case SFF_MODULE_ID_SFP:
1660                         modinfo->type = ETH_MODULE_SFF_8472;
1661                         modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
1662                         break;
1663                 case SFF_MODULE_ID_QSFP:
1664                 case SFF_MODULE_ID_QSFP_PLUS:
1665                         modinfo->type = ETH_MODULE_SFF_8436;
1666                         modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
1667                         break;
1668                 case SFF_MODULE_ID_QSFP28:
1669                         modinfo->type = ETH_MODULE_SFF_8636;
1670                         modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
1671                         break;
1672                 default:
1673                         rc = -EOPNOTSUPP;
1674                         break;
1675                 }
1676         }
1677         mutex_unlock(&bp->hwrm_cmd_lock);
1678         return rc;
1679 }
1680
1681 static int bnxt_get_module_eeprom(struct net_device *dev,
1682                                   struct ethtool_eeprom *eeprom,
1683                                   u8 *data)
1684 {
1685         struct bnxt *bp = netdev_priv(dev);
1686         u16  start = eeprom->offset, length = eeprom->len;
1687         int rc;
1688
1689         memset(data, 0, eeprom->len);
1690
1691         /* Read A0 portion of the EEPROM */
1692         if (start < ETH_MODULE_SFF_8436_LEN) {
1693                 if (start + eeprom->len > ETH_MODULE_SFF_8436_LEN)
1694                         length = ETH_MODULE_SFF_8436_LEN - start;
1695                 rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0,
1696                                                       start, length, data);
1697                 if (rc)
1698                         return rc;
1699                 start += length;
1700                 data += length;
1701                 length = eeprom->len - length;
1702         }
1703
1704         /* Read A2 portion of the EEPROM */
1705         if (length) {
1706                 start -= ETH_MODULE_SFF_8436_LEN;
1707                 bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A2, 1, start,
1708                                                  length, data);
1709         }
1710         return rc;
1711 }
1712
1713 const struct ethtool_ops bnxt_ethtool_ops = {
1714         .get_link_ksettings     = bnxt_get_link_ksettings,
1715         .set_link_ksettings     = bnxt_set_link_ksettings,
1716         .get_pauseparam         = bnxt_get_pauseparam,
1717         .set_pauseparam         = bnxt_set_pauseparam,
1718         .get_drvinfo            = bnxt_get_drvinfo,
1719         .get_coalesce           = bnxt_get_coalesce,
1720         .set_coalesce           = bnxt_set_coalesce,
1721         .get_msglevel           = bnxt_get_msglevel,
1722         .set_msglevel           = bnxt_set_msglevel,
1723         .get_sset_count         = bnxt_get_sset_count,
1724         .get_strings            = bnxt_get_strings,
1725         .get_ethtool_stats      = bnxt_get_ethtool_stats,
1726         .set_ringparam          = bnxt_set_ringparam,
1727         .get_ringparam          = bnxt_get_ringparam,
1728         .get_channels           = bnxt_get_channels,
1729         .set_channels           = bnxt_set_channels,
1730 #ifdef CONFIG_RFS_ACCEL
1731         .get_rxnfc              = bnxt_get_rxnfc,
1732 #endif
1733         .get_rxfh_indir_size    = bnxt_get_rxfh_indir_size,
1734         .get_rxfh_key_size      = bnxt_get_rxfh_key_size,
1735         .get_rxfh               = bnxt_get_rxfh,
1736         .flash_device           = bnxt_flash_device,
1737         .get_eeprom_len         = bnxt_get_eeprom_len,
1738         .get_eeprom             = bnxt_get_eeprom,
1739         .set_eeprom             = bnxt_set_eeprom,
1740         .get_link               = bnxt_get_link,
1741         .get_eee                = bnxt_get_eee,
1742         .set_eee                = bnxt_set_eee,
1743         .get_module_info        = bnxt_get_module_info,
1744         .get_module_eeprom      = bnxt_get_module_eeprom,
1745 };