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

   1 /* Broadcom NetXtreme-C/E network driver.
   2  *
   3  * Copyright (c) 2014-2016 Broadcom Corporation
   4  * Copyright (c) 2016-2017 Broadcom Limited
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation.
   9  */
  10
  11 #include <linux/ctype.h>
  12 #include <linux/stringify.h>
  13 #include <linux/ethtool.h>
  14 #include <linux/interrupt.h>
  15 #include <linux/pci.h>
  16 #include <linux/etherdevice.h>
  17 #include <linux/crc32.h>
  18 #include <linux/firmware.h>
  19 #include "bnxt_hsi.h"
  20 #include "bnxt.h"
  21 #include "bnxt_xdp.h"
  22 #include "bnxt_ethtool.h"
  23 #include "bnxt_nvm_defs.h"      /* NVRAM content constant and structure defs */
  24 #include "bnxt_fw_hdr.h"        /* Firmware hdr constant and structure defs */
  25 #define FLASH_NVRAM_TIMEOUT     ((HWRM_CMD_TIMEOUT) * 100)
  26 #define FLASH_PACKAGE_TIMEOUT   ((HWRM_CMD_TIMEOUT) * 200)
  27 #define INSTALL_PACKAGE_TIMEOUT ((HWRM_CMD_TIMEOUT) * 200)
  28
  29 static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen);
  30
  31 static u32 bnxt_get_msglevel(struct net_device *dev)
  32 {
  33         struct bnxt *bp = netdev_priv(dev);
  34
  35         return bp->msg_enable;
  36 }
  37
  38 static void bnxt_set_msglevel(struct net_device *dev, u32 value)
  39 {
  40         struct bnxt *bp = netdev_priv(dev);
  41
  42         bp->msg_enable = value;
  43 }
  44
  45 static int bnxt_get_coalesce(struct net_device *dev,
  46                              struct ethtool_coalesce *coal)
  47 {
  48         struct bnxt *bp = netdev_priv(dev);
  49
  50         memset(coal, 0, sizeof(*coal));
  51
  52         coal->rx_coalesce_usecs = bp->rx_coal_ticks;
  53         /* 2 completion records per rx packet */
  54         coal->rx_max_coalesced_frames = bp->rx_coal_bufs / 2;
  55         coal->rx_coalesce_usecs_irq = bp->rx_coal_ticks_irq;
  56         coal->rx_max_coalesced_frames_irq = bp->rx_coal_bufs_irq / 2;
  57
  58         coal->tx_coalesce_usecs = bp->tx_coal_ticks;
  59         coal->tx_max_coalesced_frames = bp->tx_coal_bufs;
  60         coal->tx_coalesce_usecs_irq = bp->tx_coal_ticks_irq;
  61         coal->tx_max_coalesced_frames_irq = bp->tx_coal_bufs_irq;
  62
  63         coal->stats_block_coalesce_usecs = bp->stats_coal_ticks;
  64
  65         return 0;
  66 }
  67
  68 static int bnxt_set_coalesce(struct net_device *dev,
  69                              struct ethtool_coalesce *coal)
  70 {
  71         struct bnxt *bp = netdev_priv(dev);
  72         bool update_stats = false;
  73         int rc = 0;
  74
  75         bp->rx_coal_ticks = coal->rx_coalesce_usecs;
  76         /* 2 completion records per rx packet */
  77         bp->rx_coal_bufs = coal->rx_max_coalesced_frames * 2;
  78         bp->rx_coal_ticks_irq = coal->rx_coalesce_usecs_irq;
  79         bp->rx_coal_bufs_irq = coal->rx_max_coalesced_frames_irq * 2;
  80
  81         bp->tx_coal_ticks = coal->tx_coalesce_usecs;
  82         bp->tx_coal_bufs = coal->tx_max_coalesced_frames;
  83         bp->tx_coal_ticks_irq = coal->tx_coalesce_usecs_irq;
  84         bp->tx_coal_bufs_irq = coal->tx_max_coalesced_frames_irq;
  85
  86         if (bp->stats_coal_ticks != coal->stats_block_coalesce_usecs) {
  87                 u32 stats_ticks = coal->stats_block_coalesce_usecs;
  88
  89                 stats_ticks = clamp_t(u32, stats_ticks,
  90                                       BNXT_MIN_STATS_COAL_TICKS,
  91                                       BNXT_MAX_STATS_COAL_TICKS);
  92                 stats_ticks = rounddown(stats_ticks, BNXT_MIN_STATS_COAL_TICKS);
  93                 bp->stats_coal_ticks = stats_ticks;
  94                 update_stats = true;
  95         }
  96
  97         if (netif_running(dev)) {
  98                 if (update_stats) {
  99                         rc = bnxt_close_nic(bp, true, false);
 100                         if (!rc)
 101                                 rc = bnxt_open_nic(bp, true, false);
 102                 } else {
 103                         rc = bnxt_hwrm_set_coal(bp);
 104                 }
 105         }
 106
 107         return rc;
 108 }
 109
 110 #define BNXT_NUM_STATS  21
 111
 112 #define BNXT_RX_STATS_ENTRY(counter)    \
 113         { BNXT_RX_STATS_OFFSET(counter), __stringify(counter) }
 114
 115 #define BNXT_TX_STATS_ENTRY(counter)    \
 116         { BNXT_TX_STATS_OFFSET(counter), __stringify(counter) }
 117
 118 static const struct {
 119         long offset;
 120         char string[ETH_GSTRING_LEN];
 121 } bnxt_port_stats_arr[] = {
 122         BNXT_RX_STATS_ENTRY(rx_64b_frames),
 123         BNXT_RX_STATS_ENTRY(rx_65b_127b_frames),
 124         BNXT_RX_STATS_ENTRY(rx_128b_255b_frames),
 125         BNXT_RX_STATS_ENTRY(rx_256b_511b_frames),
 126         BNXT_RX_STATS_ENTRY(rx_512b_1023b_frames),
 127         BNXT_RX_STATS_ENTRY(rx_1024b_1518_frames),
 128         BNXT_RX_STATS_ENTRY(rx_good_vlan_frames),
 129         BNXT_RX_STATS_ENTRY(rx_1519b_2047b_frames),
 130         BNXT_RX_STATS_ENTRY(rx_2048b_4095b_frames),
 131         BNXT_RX_STATS_ENTRY(rx_4096b_9216b_frames),
 132         BNXT_RX_STATS_ENTRY(rx_9217b_16383b_frames),
 133         BNXT_RX_STATS_ENTRY(rx_total_frames),
 134         BNXT_RX_STATS_ENTRY(rx_ucast_frames),
 135         BNXT_RX_STATS_ENTRY(rx_mcast_frames),
 136         BNXT_RX_STATS_ENTRY(rx_bcast_frames),
 137         BNXT_RX_STATS_ENTRY(rx_fcs_err_frames),
 138         BNXT_RX_STATS_ENTRY(rx_ctrl_frames),
 139         BNXT_RX_STATS_ENTRY(rx_pause_frames),
 140         BNXT_RX_STATS_ENTRY(rx_pfc_frames),
 141         BNXT_RX_STATS_ENTRY(rx_align_err_frames),
 142         BNXT_RX_STATS_ENTRY(rx_ovrsz_frames),
 143         BNXT_RX_STATS_ENTRY(rx_jbr_frames),
 144         BNXT_RX_STATS_ENTRY(rx_mtu_err_frames),
 145         BNXT_RX_STATS_ENTRY(rx_tagged_frames),
 146         BNXT_RX_STATS_ENTRY(rx_double_tagged_frames),
 147         BNXT_RX_STATS_ENTRY(rx_good_frames),
 148         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri0),
 149         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri1),
 150         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri2),
 151         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri3),
 152         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri4),
 153         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri5),
 154         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri6),
 155         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri7),
 156         BNXT_RX_STATS_ENTRY(rx_undrsz_frames),
 157         BNXT_RX_STATS_ENTRY(rx_eee_lpi_events),
 158         BNXT_RX_STATS_ENTRY(rx_eee_lpi_duration),
 159         BNXT_RX_STATS_ENTRY(rx_bytes),
 160         BNXT_RX_STATS_ENTRY(rx_runt_bytes),
 161         BNXT_RX_STATS_ENTRY(rx_runt_frames),
 162
 163         BNXT_TX_STATS_ENTRY(tx_64b_frames),
 164         BNXT_TX_STATS_ENTRY(tx_65b_127b_frames),
 165         BNXT_TX_STATS_ENTRY(tx_128b_255b_frames),
 166         BNXT_TX_STATS_ENTRY(tx_256b_511b_frames),
 167         BNXT_TX_STATS_ENTRY(tx_512b_1023b_frames),
 168         BNXT_TX_STATS_ENTRY(tx_1024b_1518_frames),
 169         BNXT_TX_STATS_ENTRY(tx_good_vlan_frames),
 170         BNXT_TX_STATS_ENTRY(tx_1519b_2047_frames),
 171         BNXT_TX_STATS_ENTRY(tx_2048b_4095b_frames),
 172         BNXT_TX_STATS_ENTRY(tx_4096b_9216b_frames),
 173         BNXT_TX_STATS_ENTRY(tx_9217b_16383b_frames),
 174         BNXT_TX_STATS_ENTRY(tx_good_frames),
 175         BNXT_TX_STATS_ENTRY(tx_total_frames),
 176         BNXT_TX_STATS_ENTRY(tx_ucast_frames),
 177         BNXT_TX_STATS_ENTRY(tx_mcast_frames),
 178         BNXT_TX_STATS_ENTRY(tx_bcast_frames),
 179         BNXT_TX_STATS_ENTRY(tx_pause_frames),
 180         BNXT_TX_STATS_ENTRY(tx_pfc_frames),
 181         BNXT_TX_STATS_ENTRY(tx_jabber_frames),
 182         BNXT_TX_STATS_ENTRY(tx_fcs_err_frames),
 183         BNXT_TX_STATS_ENTRY(tx_err),
 184         BNXT_TX_STATS_ENTRY(tx_fifo_underruns),
 185         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri0),
 186         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri1),
 187         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri2),
 188         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri3),
 189         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri4),
 190         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri5),
 191         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri6),
 192         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri7),
 193         BNXT_TX_STATS_ENTRY(tx_eee_lpi_events),
 194         BNXT_TX_STATS_ENTRY(tx_eee_lpi_duration),
 195         BNXT_TX_STATS_ENTRY(tx_total_collisions),
 196         BNXT_TX_STATS_ENTRY(tx_bytes),
 197 };
 198
 199 #define BNXT_NUM_PORT_STATS ARRAY_SIZE(bnxt_port_stats_arr)
 200
 201 static int bnxt_get_sset_count(struct net_device *dev, int sset)
 202 {
 203         struct bnxt *bp = netdev_priv(dev);
 204
 205         switch (sset) {
 206         case ETH_SS_STATS: {
 207                 int num_stats = BNXT_NUM_STATS * bp->cp_nr_rings;
 208
 209                 if (bp->flags & BNXT_FLAG_PORT_STATS)
 210                         num_stats += BNXT_NUM_PORT_STATS;
 211
 212                 return num_stats;
 213         }
 214         case ETH_SS_TEST:
 215                 if (!bp->num_tests)
 216                         return -EOPNOTSUPP;
 217                 return bp->num_tests;
 218         default:
 219                 return -EOPNOTSUPP;
 220         }
 221 }
 222
 223 static void bnxt_get_ethtool_stats(struct net_device *dev,
 224                                    struct ethtool_stats *stats, u64 *buf)
 225 {
 226         u32 i, j = 0;
 227         struct bnxt *bp = netdev_priv(dev);
 228         u32 buf_size = sizeof(struct ctx_hw_stats) * bp->cp_nr_rings;
 229         u32 stat_fields = sizeof(struct ctx_hw_stats) / 8;
 230
 231         memset(buf, 0, buf_size);
 232
 233         if (!bp->bnapi)
 234                 return;
 235
 236         for (i = 0; i < bp->cp_nr_rings; i++) {
 237                 struct bnxt_napi *bnapi = bp->bnapi[i];
 238                 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
 239                 __le64 *hw_stats = (__le64 *)cpr->hw_stats;
 240                 int k;
 241
 242                 for (k = 0; k < stat_fields; j++, k++)
 243                         buf[j] = le64_to_cpu(hw_stats[k]);
 244                 buf[j++] = cpr->rx_l4_csum_errors;
 245         }
 246         if (bp->flags & BNXT_FLAG_PORT_STATS) {
 247                 __le64 *port_stats = (__le64 *)bp->hw_rx_port_stats;
 248
 249                 for (i = 0; i < BNXT_NUM_PORT_STATS; i++, j++) {
 250                         buf[j] = le64_to_cpu(*(port_stats +
 251                                                bnxt_port_stats_arr[i].offset));
 252                 }
 253         }
 254 }
 255
 256 static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
 257 {
 258         struct bnxt *bp = netdev_priv(dev);
 259         u32 i;
 260
 261         switch (stringset) {
 262         /* The number of strings must match BNXT_NUM_STATS defined above. */
 263         case ETH_SS_STATS:
 264                 for (i = 0; i < bp->cp_nr_rings; i++) {
 265                         sprintf(buf, "[%d]: rx_ucast_packets", i);
 266                         buf += ETH_GSTRING_LEN;
 267                         sprintf(buf, "[%d]: rx_mcast_packets", i);
 268                         buf += ETH_GSTRING_LEN;
 269                         sprintf(buf, "[%d]: rx_bcast_packets", i);
 270                         buf += ETH_GSTRING_LEN;
 271                         sprintf(buf, "[%d]: rx_discards", i);
 272                         buf += ETH_GSTRING_LEN;
 273                         sprintf(buf, "[%d]: rx_drops", i);
 274                         buf += ETH_GSTRING_LEN;
 275                         sprintf(buf, "[%d]: rx_ucast_bytes", i);
 276                         buf += ETH_GSTRING_LEN;
 277                         sprintf(buf, "[%d]: rx_mcast_bytes", i);
 278                         buf += ETH_GSTRING_LEN;
 279                         sprintf(buf, "[%d]: rx_bcast_bytes", i);
 280                         buf += ETH_GSTRING_LEN;
 281                         sprintf(buf, "[%d]: tx_ucast_packets", i);
 282                         buf += ETH_GSTRING_LEN;
 283                         sprintf(buf, "[%d]: tx_mcast_packets", i);
 284                         buf += ETH_GSTRING_LEN;
 285                         sprintf(buf, "[%d]: tx_bcast_packets", i);
 286                         buf += ETH_GSTRING_LEN;
 287                         sprintf(buf, "[%d]: tx_discards", i);
 288                         buf += ETH_GSTRING_LEN;
 289                         sprintf(buf, "[%d]: tx_drops", i);
 290                         buf += ETH_GSTRING_LEN;
 291                         sprintf(buf, "[%d]: tx_ucast_bytes", i);
 292                         buf += ETH_GSTRING_LEN;
 293                         sprintf(buf, "[%d]: tx_mcast_bytes", i);
 294                         buf += ETH_GSTRING_LEN;
 295                         sprintf(buf, "[%d]: tx_bcast_bytes", i);
 296                         buf += ETH_GSTRING_LEN;
 297                         sprintf(buf, "[%d]: tpa_packets", i);
 298                         buf += ETH_GSTRING_LEN;
 299                         sprintf(buf, "[%d]: tpa_bytes", i);
 300                         buf += ETH_GSTRING_LEN;
 301                         sprintf(buf, "[%d]: tpa_events", i);
 302                         buf += ETH_GSTRING_LEN;
 303                         sprintf(buf, "[%d]: tpa_aborts", i);
 304                         buf += ETH_GSTRING_LEN;
 305                         sprintf(buf, "[%d]: rx_l4_csum_errors", i);
 306                         buf += ETH_GSTRING_LEN;
 307                 }
 308                 if (bp->flags & BNXT_FLAG_PORT_STATS) {
 309                         for (i = 0; i < BNXT_NUM_PORT_STATS; i++) {
 310                                 strcpy(buf, bnxt_port_stats_arr[i].string);
 311                                 buf += ETH_GSTRING_LEN;
 312                         }
 313                 }
 314                 break;
 315         case ETH_SS_TEST:
 316                 if (bp->num_tests)
 317                         memcpy(buf, bp->test_info->string,
 318                                bp->num_tests * ETH_GSTRING_LEN);
 319                 break;
 320         default:
 321                 netdev_err(bp->dev, "bnxt_get_strings invalid request %x\n",
 322                            stringset);
 323                 break;
 324         }
 325 }
 326
 327 static void bnxt_get_ringparam(struct net_device *dev,
 328                                struct ethtool_ringparam *ering)
 329 {
 330         struct bnxt *bp = netdev_priv(dev);
 331
 332         ering->rx_max_pending = BNXT_MAX_RX_DESC_CNT;
 333         ering->rx_jumbo_max_pending = BNXT_MAX_RX_JUM_DESC_CNT;
 334         ering->tx_max_pending = BNXT_MAX_TX_DESC_CNT;
 335
 336         ering->rx_pending = bp->rx_ring_size;
 337         ering->rx_jumbo_pending = bp->rx_agg_ring_size;
 338         ering->tx_pending = bp->tx_ring_size;
 339 }
 340
 341 static int bnxt_set_ringparam(struct net_device *dev,
 342                               struct ethtool_ringparam *ering)
 343 {
 344         struct bnxt *bp = netdev_priv(dev);
 345
 346         if ((ering->rx_pending > BNXT_MAX_RX_DESC_CNT) ||
 347             (ering->tx_pending > BNXT_MAX_TX_DESC_CNT) ||
 348             (ering->tx_pending <= MAX_SKB_FRAGS))
 349                 return -EINVAL;
 350
 351         if (netif_running(dev))
 352                 bnxt_close_nic(bp, false, false);
 353
 354         bp->rx_ring_size = ering->rx_pending;
 355         bp->tx_ring_size = ering->tx_pending;
 356         bnxt_set_ring_params(bp);
 357
 358         if (netif_running(dev))
 359                 return bnxt_open_nic(bp, false, false);
 360
 361         return 0;
 362 }
 363
 364 static void bnxt_get_channels(struct net_device *dev,
 365                               struct ethtool_channels *channel)
 366 {
 367         struct bnxt *bp = netdev_priv(dev);
 368         int max_rx_rings, max_tx_rings, tcs;
 369
 370         bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, true);
 371         channel->max_combined = min_t(int, max_rx_rings, max_tx_rings);
 372
 373         if (bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, false)) {
 374                 max_rx_rings = 0;
 375                 max_tx_rings = 0;
 376         }
 377
 378         tcs = netdev_get_num_tc(dev);
 379         if (tcs > 1)
 380                 max_tx_rings /= tcs;
 381
 382         channel->max_rx = max_rx_rings;
 383         channel->max_tx = max_tx_rings;
 384         channel->max_other = 0;
 385         if (bp->flags & BNXT_FLAG_SHARED_RINGS) {
 386                 channel->combined_count = bp->rx_nr_rings;
 387                 if (BNXT_CHIP_TYPE_NITRO_A0(bp))
 388                         channel->combined_count--;
 389         } else {
 390                 if (!BNXT_CHIP_TYPE_NITRO_A0(bp)) {
 391                         channel->rx_count = bp->rx_nr_rings;
 392                         channel->tx_count = bp->tx_nr_rings_per_tc;
 393                 }
 394         }
 395 }
 396
 397 static int bnxt_set_channels(struct net_device *dev,
 398                              struct ethtool_channels *channel)
 399 {
 400         struct bnxt *bp = netdev_priv(dev);
 401         int req_tx_rings, req_rx_rings, tcs;
 402         bool sh = false;
 403         int tx_xdp = 0;
 404         int rc = 0;
 405
 406         if (channel->other_count)
 407                 return -EINVAL;
 408
 409         if (!channel->combined_count &&
 410             (!channel->rx_count || !channel->tx_count))
 411                 return -EINVAL;
 412
 413         if (channel->combined_count &&
 414             (channel->rx_count || channel->tx_count))
 415                 return -EINVAL;
 416
 417         if (BNXT_CHIP_TYPE_NITRO_A0(bp) && (channel->rx_count ||
 418                                             channel->tx_count))
 419                 return -EINVAL;
 420
 421         if (channel->combined_count)
 422                 sh = true;
 423
 424         tcs = netdev_get_num_tc(dev);
 425
 426         req_tx_rings = sh ? channel->combined_count : channel->tx_count;
 427         req_rx_rings = sh ? channel->combined_count : channel->rx_count;
 428         if (bp->tx_nr_rings_xdp) {
 429                 if (!sh) {
 430                         netdev_err(dev, "Only combined mode supported when XDP is enabled.\n");
 431                         return -EINVAL;
 432                 }
 433                 tx_xdp = req_rx_rings;
 434         }
 435         rc = bnxt_reserve_rings(bp, req_tx_rings, req_rx_rings, sh, tcs,
 436                                 tx_xdp);
 437         if (rc) {
 438                 netdev_warn(dev, "Unable to allocate the requested rings\n");
 439                 return rc;
 440         }
 441
 442         if (netif_running(dev)) {
 443                 if (BNXT_PF(bp)) {
 444                         /* TODO CHIMP_FW: Send message to all VF's
 445                          * before PF unload
 446                          */
 447                 }
 448                 rc = bnxt_close_nic(bp, true, false);
 449                 if (rc) {
 450                         netdev_err(bp->dev, "Set channel failure rc :%x\n",
 451                                    rc);
 452                         return rc;
 453                 }
 454         }
 455
 456         if (sh) {
 457                 bp->flags |= BNXT_FLAG_SHARED_RINGS;
 458                 bp->rx_nr_rings = channel->combined_count;
 459                 bp->tx_nr_rings_per_tc = channel->combined_count;
 460         } else {
 461                 bp->flags &= ~BNXT_FLAG_SHARED_RINGS;
 462                 bp->rx_nr_rings = channel->rx_count;
 463                 bp->tx_nr_rings_per_tc = channel->tx_count;
 464         }
 465         bp->tx_nr_rings_xdp = tx_xdp;
 466         bp->tx_nr_rings = bp->tx_nr_rings_per_tc + tx_xdp;
 467         if (tcs > 1)
 468                 bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs + tx_xdp;
 469
 470         bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) :
 471                                bp->tx_nr_rings + bp->rx_nr_rings;
 472
 473         bp->num_stat_ctxs = bp->cp_nr_rings;
 474
 475         /* After changing number of rx channels, update NTUPLE feature. */
 476         netdev_update_features(dev);
 477         if (netif_running(dev)) {
 478                 rc = bnxt_open_nic(bp, true, false);
 479                 if ((!rc) && BNXT_PF(bp)) {
 480                         /* TODO CHIMP_FW: Send message to all VF's
 481                          * to renable
 482                          */
 483                 }
 484         }
 485
 486         return rc;
 487 }
 488
 489 #ifdef CONFIG_RFS_ACCEL
 490 static int bnxt_grxclsrlall(struct bnxt *bp, struct ethtool_rxnfc *cmd,
 491                             u32 *rule_locs)
 492 {
 493         int i, j = 0;
 494
 495         cmd->data = bp->ntp_fltr_count;
 496         for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
 497                 struct hlist_head *head;
 498                 struct bnxt_ntuple_filter *fltr;
 499
 500                 head = &bp->ntp_fltr_hash_tbl[i];
 501                 rcu_read_lock();
 502                 hlist_for_each_entry_rcu(fltr, head, hash) {
 503                         if (j == cmd->rule_cnt)
 504                                 break;
 505                         rule_locs[j++] = fltr->sw_id;
 506                 }
 507                 rcu_read_unlock();
 508                 if (j == cmd->rule_cnt)
 509                         break;
 510         }
 511         cmd->rule_cnt = j;
 512         return 0;
 513 }
 514
 515 static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd)
 516 {
 517         struct ethtool_rx_flow_spec *fs =
 518                 (struct ethtool_rx_flow_spec *)&cmd->fs;
 519         struct bnxt_ntuple_filter *fltr;
 520         struct flow_keys *fkeys;
 521         int i, rc = -EINVAL;
 522
 523         if (fs->location < 0 || fs->location >= BNXT_NTP_FLTR_MAX_FLTR)
 524                 return rc;
 525
 526         for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
 527                 struct hlist_head *head;
 528
 529                 head = &bp->ntp_fltr_hash_tbl[i];
 530                 rcu_read_lock();
 531                 hlist_for_each_entry_rcu(fltr, head, hash) {
 532                         if (fltr->sw_id == fs->location)
 533                                 goto fltr_found;
 534                 }
 535                 rcu_read_unlock();
 536         }
 537         return rc;
 538
 539 fltr_found:
 540         fkeys = &fltr->fkeys;
 541         if (fkeys->basic.n_proto == htons(ETH_P_IP)) {
 542                 if (fkeys->basic.ip_proto == IPPROTO_TCP)
 543                         fs->flow_type = TCP_V4_FLOW;
 544                 else if (fkeys->basic.ip_proto == IPPROTO_UDP)
 545                         fs->flow_type = UDP_V4_FLOW;
 546                 else
 547                         goto fltr_err;
 548
 549                 fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src;
 550                 fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0);
 551
 552                 fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst;
 553                 fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0);
 554
 555                 fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src;
 556                 fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0);
 557
 558                 fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst;
 559                 fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0);
 560         } else {
 561                 int i;
 562
 563                 if (fkeys->basic.ip_proto == IPPROTO_TCP)
 564                         fs->flow_type = TCP_V6_FLOW;
 565                 else if (fkeys->basic.ip_proto == IPPROTO_UDP)
 566                         fs->flow_type = UDP_V6_FLOW;
 567                 else
 568                         goto fltr_err;
 569
 570                 *(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6src[0] =
 571                         fkeys->addrs.v6addrs.src;
 572                 *(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6dst[0] =
 573                         fkeys->addrs.v6addrs.dst;
 574                 for (i = 0; i < 4; i++) {
 575                         fs->m_u.tcp_ip6_spec.ip6src[i] = cpu_to_be32(~0);
 576                         fs->m_u.tcp_ip6_spec.ip6dst[i] = cpu_to_be32(~0);
 577                 }
 578                 fs->h_u.tcp_ip6_spec.psrc = fkeys->ports.src;
 579                 fs->m_u.tcp_ip6_spec.psrc = cpu_to_be16(~0);
 580
 581                 fs->h_u.tcp_ip6_spec.pdst = fkeys->ports.dst;
 582                 fs->m_u.tcp_ip6_spec.pdst = cpu_to_be16(~0);
 583         }
 584
 585         fs->ring_cookie = fltr->rxq;
 586         rc = 0;
 587
 588 fltr_err:
 589         rcu_read_unlock();
 590
 591         return rc;
 592 }
 593 #endif
 594
 595 static u64 get_ethtool_ipv4_rss(struct bnxt *bp)
 596 {
 597         if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4)
 598                 return RXH_IP_SRC | RXH_IP_DST;
 599         return 0;
 600 }
 601
 602 static u64 get_ethtool_ipv6_rss(struct bnxt *bp)
 603 {
 604         if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6)
 605                 return RXH_IP_SRC | RXH_IP_DST;
 606         return 0;
 607 }
 608
 609 static int bnxt_grxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd)
 610 {
 611         cmd->data = 0;
 612         switch (cmd->flow_type) {
 613         case TCP_V4_FLOW:
 614                 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4)
 615                         cmd->data |= RXH_IP_SRC | RXH_IP_DST |
 616                                      RXH_L4_B_0_1 | RXH_L4_B_2_3;
 617                 cmd->data |= get_ethtool_ipv4_rss(bp);
 618                 break;
 619         case UDP_V4_FLOW:
 620                 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4)
 621                         cmd->data |= RXH_IP_SRC | RXH_IP_DST |
 622                                      RXH_L4_B_0_1 | RXH_L4_B_2_3;
 623                 /* fall through */
 624         case SCTP_V4_FLOW:
 625         case AH_ESP_V4_FLOW:
 626         case AH_V4_FLOW:
 627         case ESP_V4_FLOW:
 628         case IPV4_FLOW:
 629                 cmd->data |= get_ethtool_ipv4_rss(bp);
 630                 break;
 631
 632         case TCP_V6_FLOW:
 633                 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6)
 634                         cmd->data |= RXH_IP_SRC | RXH_IP_DST |
 635                                      RXH_L4_B_0_1 | RXH_L4_B_2_3;
 636                 cmd->data |= get_ethtool_ipv6_rss(bp);
 637                 break;
 638         case UDP_V6_FLOW:
 639                 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6)
 640                         cmd->data |= RXH_IP_SRC | RXH_IP_DST |
 641                                      RXH_L4_B_0_1 | RXH_L4_B_2_3;
 642                 /* fall through */
 643         case SCTP_V6_FLOW:
 644         case AH_ESP_V6_FLOW:
 645         case AH_V6_FLOW:
 646         case ESP_V6_FLOW:
 647         case IPV6_FLOW:
 648                 cmd->data |= get_ethtool_ipv6_rss(bp);
 649                 break;
 650         }
 651         return 0;
 652 }
 653
 654 #define RXH_4TUPLE (RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 | RXH_L4_B_2_3)
 655 #define RXH_2TUPLE (RXH_IP_SRC | RXH_IP_DST)
 656
 657 static int bnxt_srxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd)
 658 {
 659         u32 rss_hash_cfg = bp->rss_hash_cfg;
 660         int tuple, rc = 0;
 661
 662         if (cmd->data == RXH_4TUPLE)
 663                 tuple = 4;
 664         else if (cmd->data == RXH_2TUPLE)
 665                 tuple = 2;
 666         else if (!cmd->data)
 667                 tuple = 0;
 668         else
 669                 return -EINVAL;
 670
 671         if (cmd->flow_type == TCP_V4_FLOW) {
 672                 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4;
 673                 if (tuple == 4)
 674                         rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4;
 675         } else if (cmd->flow_type == UDP_V4_FLOW) {
 676                 if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP))
 677                         return -EINVAL;
 678                 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4;
 679                 if (tuple == 4)
 680                         rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4;
 681         } else if (cmd->flow_type == TCP_V6_FLOW) {
 682                 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6;
 683                 if (tuple == 4)
 684                         rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6;
 685         } else if (cmd->flow_type == UDP_V6_FLOW) {
 686                 if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP))
 687                         return -EINVAL;
 688                 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6;
 689                 if (tuple == 4)
 690                         rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6;
 691         } else if (tuple == 4) {
 692                 return -EINVAL;
 693         }
 694
 695         switch (cmd->flow_type) {
 696         case TCP_V4_FLOW:
 697         case UDP_V4_FLOW:
 698         case SCTP_V4_FLOW:
 699         case AH_ESP_V4_FLOW:
 700         case AH_V4_FLOW:
 701         case ESP_V4_FLOW:
 702         case IPV4_FLOW:
 703                 if (tuple == 2)
 704                         rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4;
 705                 else if (!tuple)
 706                         rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4;
 707                 break;
 708
 709         case TCP_V6_FLOW:
 710         case UDP_V6_FLOW:
 711         case SCTP_V6_FLOW:
 712         case AH_ESP_V6_FLOW:
 713         case AH_V6_FLOW:
 714         case ESP_V6_FLOW:
 715         case IPV6_FLOW:
 716                 if (tuple == 2)
 717                         rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6;
 718                 else if (!tuple)
 719                         rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6;
 720                 break;
 721         }
 722
 723         if (bp->rss_hash_cfg == rss_hash_cfg)
 724                 return 0;
 725
 726         bp->rss_hash_cfg = rss_hash_cfg;
 727         if (netif_running(bp->dev)) {
 728                 bnxt_close_nic(bp, false, false);
 729                 rc = bnxt_open_nic(bp, false, false);
 730         }
 731         return rc;
 732 }
 733
 734 static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
 735                           u32 *rule_locs)
 736 {
 737         struct bnxt *bp = netdev_priv(dev);
 738         int rc = 0;
 739
 740         switch (cmd->cmd) {
 741 #ifdef CONFIG_RFS_ACCEL
 742         case ETHTOOL_GRXRINGS:
 743                 cmd->data = bp->rx_nr_rings;
 744                 break;
 745
 746         case ETHTOOL_GRXCLSRLCNT:
 747                 cmd->rule_cnt = bp->ntp_fltr_count;
 748                 cmd->data = BNXT_NTP_FLTR_MAX_FLTR;
 749                 break;
 750
 751         case ETHTOOL_GRXCLSRLALL:
 752                 rc = bnxt_grxclsrlall(bp, cmd, (u32 *)rule_locs);
 753                 break;
 754
 755         case ETHTOOL_GRXCLSRULE:
 756                 rc = bnxt_grxclsrule(bp, cmd);
 757                 break;
 758 #endif
 759
 760         case ETHTOOL_GRXFH:
 761                 rc = bnxt_grxfh(bp, cmd);
 762                 break;
 763
 764         default:
 765                 rc = -EOPNOTSUPP;
 766                 break;
 767         }
 768
 769         return rc;
 770 }
 771
 772 static int bnxt_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
 773 {
 774         struct bnxt *bp = netdev_priv(dev);
 775         int rc;
 776
 777         switch (cmd->cmd) {
 778         case ETHTOOL_SRXFH:
 779                 rc = bnxt_srxfh(bp, cmd);
 780                 break;
 781
 782         default:
 783                 rc = -EOPNOTSUPP;
 784                 break;
 785         }
 786         return rc;
 787 }
 788
 789 static u32 bnxt_get_rxfh_indir_size(struct net_device *dev)
 790 {
 791         return HW_HASH_INDEX_SIZE;
 792 }
 793
 794 static u32 bnxt_get_rxfh_key_size(struct net_device *dev)
 795 {
 796         return HW_HASH_KEY_SIZE;
 797 }
 798
 799 static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
 800                          u8 *hfunc)
 801 {
 802         struct bnxt *bp = netdev_priv(dev);
 803         struct bnxt_vnic_info *vnic = &bp->vnic_info[0];
 804         int i = 0;
 805
 806         if (hfunc)
 807                 *hfunc = ETH_RSS_HASH_TOP;
 808
 809         if (indir)
 810                 for (i = 0; i < HW_HASH_INDEX_SIZE; i++)
 811                         indir[i] = le16_to_cpu(vnic->rss_table[i]);
 812
 813         if (key)
 814                 memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE);
 815
 816         return 0;
 817 }
 818
 819 static void bnxt_get_drvinfo(struct net_device *dev,
 820                              struct ethtool_drvinfo *info)
 821 {
 822         struct bnxt *bp = netdev_priv(dev);
 823         char *pkglog;
 824         char *pkgver = NULL;
 825
 826         pkglog = kmalloc(BNX_PKG_LOG_MAX_LENGTH, GFP_KERNEL);
 827         if (pkglog)
 828                 pkgver = bnxt_get_pkgver(dev, pkglog, BNX_PKG_LOG_MAX_LENGTH);
 829         strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
 830         strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
 831         if (pkgver && *pkgver != 0 && isdigit(*pkgver))
 832                 snprintf(info->fw_version, sizeof(info->fw_version) - 1,
 833                          "%s pkg %s", bp->fw_ver_str, pkgver);
 834         else
 835                 strlcpy(info->fw_version, bp->fw_ver_str,
 836                         sizeof(info->fw_version));
 837         strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
 838         info->n_stats = BNXT_NUM_STATS * bp->cp_nr_rings;
 839         info->testinfo_len = bp->num_tests;
 840         /* TODO CHIMP_FW: eeprom dump details */
 841         info->eedump_len = 0;
 842         /* TODO CHIMP FW: reg dump details */
 843         info->regdump_len = 0;
 844         kfree(pkglog);
 845 }
 846
 847 static void bnxt_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
 848 {
 849         struct bnxt *bp = netdev_priv(dev);
 850
 851         wol->supported = 0;
 852         wol->wolopts = 0;
 853         memset(&wol->sopass, 0, sizeof(wol->sopass));
 854         if (bp->flags & BNXT_FLAG_WOL_CAP) {
 855                 wol->supported = WAKE_MAGIC;
 856                 if (bp->wol)
 857                         wol->wolopts = WAKE_MAGIC;
 858         }
 859 }
 860
 861 static int bnxt_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
 862 {
 863         struct bnxt *bp = netdev_priv(dev);
 864
 865         if (wol->wolopts & ~WAKE_MAGIC)
 866                 return -EINVAL;
 867
 868         if (wol->wolopts & WAKE_MAGIC) {
 869                 if (!(bp->flags & BNXT_FLAG_WOL_CAP))
 870                         return -EINVAL;
 871                 if (!bp->wol) {
 872                         if (bnxt_hwrm_alloc_wol_fltr(bp))
 873                                 return -EBUSY;
 874                         bp->wol = 1;
 875                 }
 876         } else {
 877                 if (bp->wol) {
 878                         if (bnxt_hwrm_free_wol_fltr(bp))
 879                                 return -EBUSY;
 880                         bp->wol = 0;
 881                 }
 882         }
 883         return 0;
 884 }
 885
 886 u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause)
 887 {
 888         u32 speed_mask = 0;
 889
 890         /* TODO: support 25GB, 40GB, 50GB with different cable type */
 891         /* set the advertised speeds */
 892         if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB)
 893                 speed_mask |= ADVERTISED_100baseT_Full;
 894         if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB)
 895                 speed_mask |= ADVERTISED_1000baseT_Full;
 896         if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB)
 897                 speed_mask |= ADVERTISED_2500baseX_Full;
 898         if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB)
 899                 speed_mask |= ADVERTISED_10000baseT_Full;
 900         if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB)
 901                 speed_mask |= ADVERTISED_40000baseCR4_Full;
 902
 903         if ((fw_pause & BNXT_LINK_PAUSE_BOTH) == BNXT_LINK_PAUSE_BOTH)
 904                 speed_mask |= ADVERTISED_Pause;
 905         else if (fw_pause & BNXT_LINK_PAUSE_TX)
 906                 speed_mask |= ADVERTISED_Asym_Pause;
 907         else if (fw_pause & BNXT_LINK_PAUSE_RX)
 908                 speed_mask |= ADVERTISED_Pause | ADVERTISED_Asym_Pause;
 909
 910         return speed_mask;
 911 }
 912
 913 #define BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, name)\
 914 {                                                                       \
 915         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100MB)                    \
 916                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
 917                                                      100baseT_Full);    \
 918         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_1GB)                      \
 919                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
 920                                                      1000baseT_Full);   \
 921         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_10GB)                     \
 922                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
 923                                                      10000baseT_Full);  \
 924         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_25GB)                     \
 925                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
 926                                                      25000baseCR_Full); \
 927         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_40GB)                     \
 928                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
 929                                                      40000baseCR4_Full);\
 930         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_50GB)                     \
 931                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
 932                                                      50000baseCR2_Full);\
 933         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100GB)                    \
 934                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
 935                                                      100000baseCR4_Full);\
 936         if ((fw_pause) & BNXT_LINK_PAUSE_RX) {                          \
 937                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
 938                                                      Pause);            \
 939                 if (!((fw_pause) & BNXT_LINK_PAUSE_TX))                 \
 940                         ethtool_link_ksettings_add_link_mode(           \
 941                                         lk_ksettings, name, Asym_Pause);\
 942         } else if ((fw_pause) & BNXT_LINK_PAUSE_TX) {                   \
 943                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
 944                                                      Asym_Pause);       \
 945         }                                                               \
 946 }
 947
 948 #define BNXT_ETHTOOL_TO_FW_SPDS(fw_speeds, lk_ksettings, name)          \
 949 {                                                                       \
 950         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
 951                                                   100baseT_Full) ||     \
 952             ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
 953                                                   100baseT_Half))       \
 954                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_100MB;               \
 955         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
 956                                                   1000baseT_Full) ||    \
 957             ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
 958                                                   1000baseT_Half))      \
 959                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_1GB;                 \
 960         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
 961                                                   10000baseT_Full))     \
 962                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_10GB;                \
 963         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
 964                                                   25000baseCR_Full))    \
 965                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_25GB;                \
 966         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
 967                                                   40000baseCR4_Full))   \
 968                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_40GB;                \
 969         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
 970                                                   50000baseCR2_Full))   \
 971                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_50GB;                \
 972         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
 973                                                   100000baseCR4_Full))  \
 974                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_100GB;               \
 975 }
 976
 977 static void bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info,
 978                                 struct ethtool_link_ksettings *lk_ksettings)
 979 {
 980         u16 fw_speeds = link_info->advertising;
 981         u8 fw_pause = 0;
 982
 983         if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
 984                 fw_pause = link_info->auto_pause_setting;
 985
 986         BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, advertising);
 987 }
 988
 989 static void bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info,
 990                                 struct ethtool_link_ksettings *lk_ksettings)
 991 {
 992         u16 fw_speeds = link_info->lp_auto_link_speeds;
 993         u8 fw_pause = 0;
 994
 995         if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
 996                 fw_pause = link_info->lp_pause;
 997
 998         BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings,
 999                                 lp_advertising);
1000 }
1001
1002 static void bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info,
1003                                 struct ethtool_link_ksettings *lk_ksettings)
1004 {
1005         u16 fw_speeds = link_info->support_speeds;
1006
1007         BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, 0, lk_ksettings, supported);
1008
1009         ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, Pause);
1010         ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1011                                              Asym_Pause);
1012
1013         if (link_info->support_auto_speeds)
1014                 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1015                                                      Autoneg);
1016 }
1017
1018 u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed)
1019 {
1020         switch (fw_link_speed) {
1021         case BNXT_LINK_SPEED_100MB:
1022                 return SPEED_100;
1023         case BNXT_LINK_SPEED_1GB:
1024                 return SPEED_1000;
1025         case BNXT_LINK_SPEED_2_5GB:
1026                 return SPEED_2500;
1027         case BNXT_LINK_SPEED_10GB:
1028                 return SPEED_10000;
1029         case BNXT_LINK_SPEED_20GB:
1030                 return SPEED_20000;
1031         case BNXT_LINK_SPEED_25GB:
1032                 return SPEED_25000;
1033         case BNXT_LINK_SPEED_40GB:
1034                 return SPEED_40000;
1035         case BNXT_LINK_SPEED_50GB:
1036                 return SPEED_50000;
1037         case BNXT_LINK_SPEED_100GB:
1038                 return SPEED_100000;
1039         default:
1040                 return SPEED_UNKNOWN;
1041         }
1042 }
1043
1044 static int bnxt_get_link_ksettings(struct net_device *dev,
1045                                    struct ethtool_link_ksettings *lk_ksettings)
1046 {
1047         struct bnxt *bp = netdev_priv(dev);
1048         struct bnxt_link_info *link_info = &bp->link_info;
1049         struct ethtool_link_settings *base = &lk_ksettings->base;
1050         u32 ethtool_speed;
1051
1052         ethtool_link_ksettings_zero_link_mode(lk_ksettings, supported);
1053         bnxt_fw_to_ethtool_support_spds(link_info, lk_ksettings);
1054
1055         ethtool_link_ksettings_zero_link_mode(lk_ksettings, advertising);
1056         if (link_info->autoneg) {
1057                 bnxt_fw_to_ethtool_advertised_spds(link_info, lk_ksettings);
1058                 ethtool_link_ksettings_add_link_mode(lk_ksettings,
1059                                                      advertising, Autoneg);
1060                 base->autoneg = AUTONEG_ENABLE;
1061                 if (link_info->phy_link_status == BNXT_LINK_LINK)
1062                         bnxt_fw_to_ethtool_lp_adv(link_info, lk_ksettings);
1063                 ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed);
1064                 if (!netif_carrier_ok(dev))
1065                         base->duplex = DUPLEX_UNKNOWN;
1066                 else if (link_info->duplex & BNXT_LINK_DUPLEX_FULL)
1067                         base->duplex = DUPLEX_FULL;
1068                 else
1069                         base->duplex = DUPLEX_HALF;
1070         } else {
1071                 base->autoneg = AUTONEG_DISABLE;
1072                 ethtool_speed =
1073                         bnxt_fw_to_ethtool_speed(link_info->req_link_speed);
1074                 base->duplex = DUPLEX_HALF;
1075                 if (link_info->req_duplex == BNXT_LINK_DUPLEX_FULL)
1076                         base->duplex = DUPLEX_FULL;
1077         }
1078         base->speed = ethtool_speed;
1079
1080         base->port = PORT_NONE;
1081         if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
1082                 base->port = PORT_TP;
1083                 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1084                                                      TP);
1085                 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
1086                                                      TP);
1087         } else {
1088                 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1089                                                      FIBRE);
1090                 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
1091                                                      FIBRE);
1092
1093                 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC)
1094                         base->port = PORT_DA;
1095                 else if (link_info->media_type ==
1096                          PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE)
1097                         base->port = PORT_FIBRE;
1098         }
1099         base->phy_address = link_info->phy_addr;
1100
1101         return 0;
1102 }
1103
1104 static u32 bnxt_get_fw_speed(struct net_device *dev, u32 ethtool_speed)
1105 {
1106         struct bnxt *bp = netdev_priv(dev);
1107         struct bnxt_link_info *link_info = &bp->link_info;
1108         u16 support_spds = link_info->support_speeds;
1109         u32 fw_speed = 0;
1110
1111         switch (ethtool_speed) {
1112         case SPEED_100:
1113                 if (support_spds & BNXT_LINK_SPEED_MSK_100MB)
1114                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100MB;
1115                 break;
1116         case SPEED_1000:
1117                 if (support_spds & BNXT_LINK_SPEED_MSK_1GB)
1118                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_1GB;
1119                 break;
1120         case SPEED_2500:
1121                 if (support_spds & BNXT_LINK_SPEED_MSK_2_5GB)
1122                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_2_5GB;
1123                 break;
1124         case SPEED_10000:
1125                 if (support_spds & BNXT_LINK_SPEED_MSK_10GB)
1126                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_10GB;
1127                 break;
1128         case SPEED_20000:
1129                 if (support_spds & BNXT_LINK_SPEED_MSK_20GB)
1130                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_20GB;
1131                 break;
1132         case SPEED_25000:
1133                 if (support_spds & BNXT_LINK_SPEED_MSK_25GB)
1134                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_25GB;
1135                 break;
1136         case SPEED_40000:
1137                 if (support_spds & BNXT_LINK_SPEED_MSK_40GB)
1138                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_40GB;
1139                 break;
1140         case SPEED_50000:
1141                 if (support_spds & BNXT_LINK_SPEED_MSK_50GB)
1142                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB;
1143                 break;
1144         case SPEED_100000:
1145                 if (support_spds & BNXT_LINK_SPEED_MSK_100GB)
1146                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100GB;
1147                 break;
1148         default:
1149                 netdev_err(dev, "unsupported speed!\n");
1150                 break;
1151         }
1152         return fw_speed;
1153 }
1154
1155 u16 bnxt_get_fw_auto_link_speeds(u32 advertising)
1156 {
1157         u16 fw_speed_mask = 0;
1158
1159         /* only support autoneg at speed 100, 1000, and 10000 */
1160         if (advertising & (ADVERTISED_100baseT_Full |
1161                            ADVERTISED_100baseT_Half)) {
1162                 fw_speed_mask |= BNXT_LINK_SPEED_MSK_100MB;
1163         }
1164         if (advertising & (ADVERTISED_1000baseT_Full |
1165                            ADVERTISED_1000baseT_Half)) {
1166                 fw_speed_mask |= BNXT_LINK_SPEED_MSK_1GB;
1167         }
1168         if (advertising & ADVERTISED_10000baseT_Full)
1169                 fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB;
1170
1171         if (advertising & ADVERTISED_40000baseCR4_Full)
1172                 fw_speed_mask |= BNXT_LINK_SPEED_MSK_40GB;
1173
1174         return fw_speed_mask;
1175 }
1176
1177 static int bnxt_set_link_ksettings(struct net_device *dev,
1178                            const struct ethtool_link_ksettings *lk_ksettings)
1179 {
1180         struct bnxt *bp = netdev_priv(dev);
1181         struct bnxt_link_info *link_info = &bp->link_info;
1182         const struct ethtool_link_settings *base = &lk_ksettings->base;
1183         bool set_pause = false;
1184         u16 fw_advertising = 0;
1185         u32 speed;
1186         int rc = 0;
1187
1188         if (!BNXT_SINGLE_PF(bp))
1189                 return -EOPNOTSUPP;
1190
1191         if (base->autoneg == AUTONEG_ENABLE) {
1192                 BNXT_ETHTOOL_TO_FW_SPDS(fw_advertising, lk_ksettings,
1193                                         advertising);
1194                 link_info->autoneg |= BNXT_AUTONEG_SPEED;
1195                 if (!fw_advertising)
1196                         link_info->advertising = link_info->support_auto_speeds;
1197                 else
1198                         link_info->advertising = fw_advertising;
1199                 /* any change to autoneg will cause link change, therefore the
1200                  * driver should put back the original pause setting in autoneg
1201                  */
1202                 set_pause = true;
1203         } else {
1204                 u16 fw_speed;
1205                 u8 phy_type = link_info->phy_type;
1206
1207                 if (phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASET  ||
1208                     phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASETE ||
1209                     link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
1210                         netdev_err(dev, "10GBase-T devices must autoneg\n");
1211                         rc = -EINVAL;
1212                         goto set_setting_exit;
1213                 }
1214                 if (base->duplex == DUPLEX_HALF) {
1215                         netdev_err(dev, "HALF DUPLEX is not supported!\n");
1216                         rc = -EINVAL;
1217                         goto set_setting_exit;
1218                 }
1219                 speed = base->speed;
1220                 fw_speed = bnxt_get_fw_speed(dev, speed);
1221                 if (!fw_speed) {
1222                         rc = -EINVAL;
1223                         goto set_setting_exit;
1224                 }
1225                 link_info->req_link_speed = fw_speed;
1226                 link_info->req_duplex = BNXT_LINK_DUPLEX_FULL;
1227                 link_info->autoneg = 0;
1228                 link_info->advertising = 0;
1229         }
1230
1231         if (netif_running(dev))
1232                 rc = bnxt_hwrm_set_link_setting(bp, set_pause, false);
1233
1234 set_setting_exit:
1235         return rc;
1236 }
1237
1238 static void bnxt_get_pauseparam(struct net_device *dev,
1239                                 struct ethtool_pauseparam *epause)
1240 {
1241         struct bnxt *bp = netdev_priv(dev);
1242         struct bnxt_link_info *link_info = &bp->link_info;
1243
1244         if (BNXT_VF(bp))
1245                 return;
1246         epause->autoneg = !!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL);
1247         epause->rx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_RX);
1248         epause->tx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_TX);
1249 }
1250
1251 static int bnxt_set_pauseparam(struct net_device *dev,
1252                                struct ethtool_pauseparam *epause)
1253 {
1254         int rc = 0;
1255         struct bnxt *bp = netdev_priv(dev);
1256         struct bnxt_link_info *link_info = &bp->link_info;
1257
1258         if (!BNXT_SINGLE_PF(bp))
1259                 return -EOPNOTSUPP;
1260
1261         if (epause->autoneg) {
1262                 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
1263                         return -EINVAL;
1264
1265                 link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL;
1266                 if (bp->hwrm_spec_code >= 0x10201)
1267                         link_info->req_flow_ctrl =
1268                                 PORT_PHY_CFG_REQ_AUTO_PAUSE_AUTONEG_PAUSE;
1269         } else {
1270                 /* when transition from auto pause to force pause,
1271                  * force a link change
1272                  */
1273                 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
1274                         link_info->force_link_chng = true;
1275                 link_info->autoneg &= ~BNXT_AUTONEG_FLOW_CTRL;
1276                 link_info->req_flow_ctrl = 0;
1277         }
1278         if (epause->rx_pause)
1279                 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX;
1280
1281         if (epause->tx_pause)
1282                 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX;
1283
1284         if (netif_running(dev))
1285                 rc = bnxt_hwrm_set_pause(bp);
1286         return rc;
1287 }
1288
1289 static u32 bnxt_get_link(struct net_device *dev)
1290 {
1291         struct bnxt *bp = netdev_priv(dev);
1292
1293         /* TODO: handle MF, VF, driver close case */
1294         return bp->link_info.link_up;
1295 }
1296
1297 static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
1298                                 u16 ext, u16 *index, u32 *item_length,
1299                                 u32 *data_length);
1300
1301 static int bnxt_flash_nvram(struct net_device *dev,
1302                             u16 dir_type,
1303                             u16 dir_ordinal,
1304                             u16 dir_ext,
1305                             u16 dir_attr,
1306                             const u8 *data,
1307                             size_t data_len)
1308 {
1309         struct bnxt *bp = netdev_priv(dev);
1310         int rc;
1311         struct hwrm_nvm_write_input req = {0};
1312         dma_addr_t dma_handle;
1313         u8 *kmem;
1314
1315         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_WRITE, -1, -1);
1316
1317         req.dir_type = cpu_to_le16(dir_type);
1318         req.dir_ordinal = cpu_to_le16(dir_ordinal);
1319         req.dir_ext = cpu_to_le16(dir_ext);
1320         req.dir_attr = cpu_to_le16(dir_attr);
1321         req.dir_data_length = cpu_to_le32(data_len);
1322
1323         kmem = dma_alloc_coherent(&bp->pdev->dev, data_len, &dma_handle,
1324                                   GFP_KERNEL);
1325         if (!kmem) {
1326                 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1327                            (unsigned)data_len);
1328                 return -ENOMEM;
1329         }
1330         memcpy(kmem, data, data_len);
1331         req.host_src_addr = cpu_to_le64(dma_handle);
1332
1333         rc = hwrm_send_message(bp, &req, sizeof(req), FLASH_NVRAM_TIMEOUT);
1334         dma_free_coherent(&bp->pdev->dev, data_len, kmem, dma_handle);
1335
1336         return rc;
1337 }
1338
1339 static int bnxt_firmware_reset(struct net_device *dev,
1340                                u16 dir_type)
1341 {
1342         struct bnxt *bp = netdev_priv(dev);
1343         struct hwrm_fw_reset_input req = {0};
1344
1345         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1);
1346
1347         /* TODO: Support ASAP ChiMP self-reset (e.g. upon PF driver unload) */
1348         /* TODO: Address self-reset of APE/KONG/BONO/TANG or ungraceful reset */
1349         /*       (e.g. when firmware isn't already running) */
1350         switch (dir_type) {
1351         case BNX_DIR_TYPE_CHIMP_PATCH:
1352         case BNX_DIR_TYPE_BOOTCODE:
1353         case BNX_DIR_TYPE_BOOTCODE_2:
1354                 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT;
1355                 /* Self-reset ChiMP upon next PCIe reset: */
1356                 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
1357                 break;
1358         case BNX_DIR_TYPE_APE_FW:
1359         case BNX_DIR_TYPE_APE_PATCH:
1360                 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT;
1361                 /* Self-reset APE upon next PCIe reset: */
1362                 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
1363                 break;
1364         case BNX_DIR_TYPE_KONG_FW:
1365         case BNX_DIR_TYPE_KONG_PATCH:
1366                 req.embedded_proc_type =
1367                         FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL;
1368                 break;
1369         case BNX_DIR_TYPE_BONO_FW:
1370         case BNX_DIR_TYPE_BONO_PATCH:
1371                 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE;
1372                 break;
1373         default:
1374                 return -EINVAL;
1375         }
1376
1377         return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1378 }
1379
1380 static int bnxt_flash_firmware(struct net_device *dev,
1381                                u16 dir_type,
1382                                const u8 *fw_data,
1383                                size_t fw_size)
1384 {
1385         int     rc = 0;
1386         u16     code_type;
1387         u32     stored_crc;
1388         u32     calculated_crc;
1389         struct bnxt_fw_header *header = (struct bnxt_fw_header *)fw_data;
1390
1391         switch (dir_type) {
1392         case BNX_DIR_TYPE_BOOTCODE:
1393         case BNX_DIR_TYPE_BOOTCODE_2:
1394                 code_type = CODE_BOOT;
1395                 break;
1396         case BNX_DIR_TYPE_CHIMP_PATCH:
1397                 code_type = CODE_CHIMP_PATCH;
1398                 break;
1399         case BNX_DIR_TYPE_APE_FW:
1400                 code_type = CODE_MCTP_PASSTHRU;
1401                 break;
1402         case BNX_DIR_TYPE_APE_PATCH:
1403                 code_type = CODE_APE_PATCH;
1404                 break;
1405         case BNX_DIR_TYPE_KONG_FW:
1406                 code_type = CODE_KONG_FW;
1407                 break;
1408         case BNX_DIR_TYPE_KONG_PATCH:
1409                 code_type = CODE_KONG_PATCH;
1410                 break;
1411         case BNX_DIR_TYPE_BONO_FW:
1412                 code_type = CODE_BONO_FW;
1413                 break;
1414         case BNX_DIR_TYPE_BONO_PATCH:
1415                 code_type = CODE_BONO_PATCH;
1416                 break;
1417         default:
1418                 netdev_err(dev, "Unsupported directory entry type: %u\n",
1419                            dir_type);
1420                 return -EINVAL;
1421         }
1422         if (fw_size < sizeof(struct bnxt_fw_header)) {
1423                 netdev_err(dev, "Invalid firmware file size: %u\n",
1424                            (unsigned int)fw_size);
1425                 return -EINVAL;
1426         }
1427         if (header->signature != cpu_to_le32(BNXT_FIRMWARE_BIN_SIGNATURE)) {
1428                 netdev_err(dev, "Invalid firmware signature: %08X\n",
1429                            le32_to_cpu(header->signature));
1430                 return -EINVAL;
1431         }
1432         if (header->code_type != code_type) {
1433                 netdev_err(dev, "Expected firmware type: %d, read: %d\n",
1434                            code_type, header->code_type);
1435                 return -EINVAL;
1436         }
1437         if (header->device != DEVICE_CUMULUS_FAMILY) {
1438                 netdev_err(dev, "Expected firmware device family %d, read: %d\n",
1439                            DEVICE_CUMULUS_FAMILY, header->device);
1440                 return -EINVAL;
1441         }
1442         /* Confirm the CRC32 checksum of the file: */
1443         stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
1444                                              sizeof(stored_crc)));
1445         calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
1446         if (calculated_crc != stored_crc) {
1447                 netdev_err(dev, "Firmware file CRC32 checksum (%08lX) does not match calculated checksum (%08lX)\n",
1448                            (unsigned long)stored_crc,
1449                            (unsigned long)calculated_crc);
1450                 return -EINVAL;
1451         }
1452         rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1453                               0, 0, fw_data, fw_size);
1454         if (rc == 0)    /* Firmware update successful */
1455                 rc = bnxt_firmware_reset(dev, dir_type);
1456
1457         return rc;
1458 }
1459
1460 static int bnxt_flash_microcode(struct net_device *dev,
1461                                 u16 dir_type,
1462                                 const u8 *fw_data,
1463                                 size_t fw_size)
1464 {
1465         struct bnxt_ucode_trailer *trailer;
1466         u32 calculated_crc;
1467         u32 stored_crc;
1468         int rc = 0;
1469
1470         if (fw_size < sizeof(struct bnxt_ucode_trailer)) {
1471                 netdev_err(dev, "Invalid microcode file size: %u\n",
1472                            (unsigned int)fw_size);
1473                 return -EINVAL;
1474         }
1475         trailer = (struct bnxt_ucode_trailer *)(fw_data + (fw_size -
1476                                                 sizeof(*trailer)));
1477         if (trailer->sig != cpu_to_le32(BNXT_UCODE_TRAILER_SIGNATURE)) {
1478                 netdev_err(dev, "Invalid microcode trailer signature: %08X\n",
1479                            le32_to_cpu(trailer->sig));
1480                 return -EINVAL;
1481         }
1482         if (le16_to_cpu(trailer->dir_type) != dir_type) {
1483                 netdev_err(dev, "Expected microcode type: %d, read: %d\n",
1484                            dir_type, le16_to_cpu(trailer->dir_type));
1485                 return -EINVAL;
1486         }
1487         if (le16_to_cpu(trailer->trailer_length) <
1488                 sizeof(struct bnxt_ucode_trailer)) {
1489                 netdev_err(dev, "Invalid microcode trailer length: %d\n",
1490                            le16_to_cpu(trailer->trailer_length));
1491                 return -EINVAL;
1492         }
1493
1494         /* Confirm the CRC32 checksum of the file: */
1495         stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
1496                                              sizeof(stored_crc)));
1497         calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
1498         if (calculated_crc != stored_crc) {
1499                 netdev_err(dev,
1500                            "CRC32 (%08lX) does not match calculated: %08lX\n",
1501                            (unsigned long)stored_crc,
1502                            (unsigned long)calculated_crc);
1503                 return -EINVAL;
1504         }
1505         rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1506                               0, 0, fw_data, fw_size);
1507
1508         return rc;
1509 }
1510
1511 static bool bnxt_dir_type_is_ape_bin_format(u16 dir_type)
1512 {
1513         switch (dir_type) {
1514         case BNX_DIR_TYPE_CHIMP_PATCH:
1515         case BNX_DIR_TYPE_BOOTCODE:
1516         case BNX_DIR_TYPE_BOOTCODE_2:
1517         case BNX_DIR_TYPE_APE_FW:
1518         case BNX_DIR_TYPE_APE_PATCH:
1519         case BNX_DIR_TYPE_KONG_FW:
1520         case BNX_DIR_TYPE_KONG_PATCH:
1521         case BNX_DIR_TYPE_BONO_FW:
1522         case BNX_DIR_TYPE_BONO_PATCH:
1523                 return true;
1524         }
1525
1526         return false;
1527 }
1528
1529 static bool bnxt_dir_type_is_other_exec_format(u16 dir_type)
1530 {
1531         switch (dir_type) {
1532         case BNX_DIR_TYPE_AVS:
1533         case BNX_DIR_TYPE_EXP_ROM_MBA:
1534         case BNX_DIR_TYPE_PCIE:
1535         case BNX_DIR_TYPE_TSCF_UCODE:
1536         case BNX_DIR_TYPE_EXT_PHY:
1537         case BNX_DIR_TYPE_CCM:
1538         case BNX_DIR_TYPE_ISCSI_BOOT:
1539         case BNX_DIR_TYPE_ISCSI_BOOT_IPV6:
1540         case BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6:
1541                 return true;
1542         }
1543
1544         return false;
1545 }
1546
1547 static bool bnxt_dir_type_is_executable(u16 dir_type)
1548 {
1549         return bnxt_dir_type_is_ape_bin_format(dir_type) ||
1550                 bnxt_dir_type_is_other_exec_format(dir_type);
1551 }
1552
1553 static int bnxt_flash_firmware_from_file(struct net_device *dev,
1554                                          u16 dir_type,
1555                                          const char *filename)
1556 {
1557         const struct firmware  *fw;
1558         int                     rc;
1559
1560         rc = request_firmware(&fw, filename, &dev->dev);
1561         if (rc != 0) {
1562                 netdev_err(dev, "Error %d requesting firmware file: %s\n",
1563                            rc, filename);
1564                 return rc;
1565         }
1566         if (bnxt_dir_type_is_ape_bin_format(dir_type) == true)
1567                 rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size);
1568         else if (bnxt_dir_type_is_other_exec_format(dir_type) == true)
1569                 rc = bnxt_flash_microcode(dev, dir_type, fw->data, fw->size);
1570         else
1571                 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1572                                       0, 0, fw->data, fw->size);
1573         release_firmware(fw);
1574         return rc;
1575 }
1576
1577 static int bnxt_flash_package_from_file(struct net_device *dev,
1578                                         char *filename, u32 install_type)
1579 {
1580         struct bnxt *bp = netdev_priv(dev);
1581         struct hwrm_nvm_install_update_output *resp = bp->hwrm_cmd_resp_addr;
1582         struct hwrm_nvm_install_update_input install = {0};
1583         const struct firmware *fw;
1584         u32 item_len;
1585         u16 index;
1586         int rc;
1587
1588         bnxt_hwrm_fw_set_time(bp);
1589
1590         if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_UPDATE,
1591                                  BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
1592                                  &index, &item_len, NULL) != 0) {
1593                 netdev_err(dev, "PKG update area not created in nvram\n");
1594                 return -ENOBUFS;
1595         }
1596
1597         rc = request_firmware(&fw, filename, &dev->dev);
1598         if (rc != 0) {
1599                 netdev_err(dev, "PKG error %d requesting file: %s\n",
1600                            rc, filename);
1601                 return rc;
1602         }
1603
1604         if (fw->size > item_len) {
1605                 netdev_err(dev, "PKG insufficient update area in nvram: %lu",
1606                            (unsigned long)fw->size);
1607                 rc = -EFBIG;
1608         } else {
1609                 dma_addr_t dma_handle;
1610                 u8 *kmem;
1611                 struct hwrm_nvm_modify_input modify = {0};
1612
1613                 bnxt_hwrm_cmd_hdr_init(bp, &modify, HWRM_NVM_MODIFY, -1, -1);
1614
1615                 modify.dir_idx = cpu_to_le16(index);
1616                 modify.len = cpu_to_le32(fw->size);
1617
1618                 kmem = dma_alloc_coherent(&bp->pdev->dev, fw->size,
1619                                           &dma_handle, GFP_KERNEL);
1620                 if (!kmem) {
1621                         netdev_err(dev,
1622                                    "dma_alloc_coherent failure, length = %u\n",
1623                                    (unsigned int)fw->size);
1624                         rc = -ENOMEM;
1625                 } else {
1626                         memcpy(kmem, fw->data, fw->size);
1627                         modify.host_src_addr = cpu_to_le64(dma_handle);
1628
1629                         rc = hwrm_send_message(bp, &modify, sizeof(modify),
1630                                                FLASH_PACKAGE_TIMEOUT);
1631                         dma_free_coherent(&bp->pdev->dev, fw->size, kmem,
1632                                           dma_handle);
1633                 }
1634         }
1635         release_firmware(fw);
1636         if (rc)
1637                 return rc;
1638
1639         if ((install_type & 0xffff) == 0)
1640                 install_type >>= 16;
1641         bnxt_hwrm_cmd_hdr_init(bp, &install, HWRM_NVM_INSTALL_UPDATE, -1, -1);
1642         install.install_type = cpu_to_le32(install_type);
1643
1644         mutex_lock(&bp->hwrm_cmd_lock);
1645         rc = _hwrm_send_message(bp, &install, sizeof(install),
1646                                 INSTALL_PACKAGE_TIMEOUT);
1647         if (rc) {
1648                 rc = -EOPNOTSUPP;
1649                 goto flash_pkg_exit;
1650         }
1651
1652         if (resp->error_code) {
1653                 u8 error_code = ((struct hwrm_err_output *)resp)->cmd_err;
1654
1655                 if (error_code == NVM_INSTALL_UPDATE_CMD_ERR_CODE_FRAG_ERR) {
1656                         install.flags |= cpu_to_le16(
1657                                NVM_INSTALL_UPDATE_REQ_FLAGS_ALLOWED_TO_DEFRAG);
1658                         rc = _hwrm_send_message(bp, &install, sizeof(install),
1659                                                 INSTALL_PACKAGE_TIMEOUT);
1660                         if (rc) {
1661                                 rc = -EOPNOTSUPP;
1662                                 goto flash_pkg_exit;
1663                         }
1664                 }
1665         }
1666
1667         if (resp->result) {
1668                 netdev_err(dev, "PKG install error = %d, problem_item = %d\n",
1669                            (s8)resp->result, (int)resp->problem_item);
1670                 rc = -ENOPKG;
1671         }
1672 flash_pkg_exit:
1673         mutex_unlock(&bp->hwrm_cmd_lock);
1674         return rc;
1675 }
1676
1677 static int bnxt_flash_device(struct net_device *dev,
1678                              struct ethtool_flash *flash)
1679 {
1680         if (!BNXT_PF((struct bnxt *)netdev_priv(dev))) {
1681                 netdev_err(dev, "flashdev not supported from a virtual function\n");
1682                 return -EINVAL;
1683         }
1684
1685         if (flash->region == ETHTOOL_FLASH_ALL_REGIONS ||
1686             flash->region > 0xffff)
1687                 return bnxt_flash_package_from_file(dev, flash->data,
1688                                                     flash->region);
1689
1690         return bnxt_flash_firmware_from_file(dev, flash->region, flash->data);
1691 }
1692
1693 static int nvm_get_dir_info(struct net_device *dev, u32 *entries, u32 *length)
1694 {
1695         struct bnxt *bp = netdev_priv(dev);
1696         int rc;
1697         struct hwrm_nvm_get_dir_info_input req = {0};
1698         struct hwrm_nvm_get_dir_info_output *output = bp->hwrm_cmd_resp_addr;
1699
1700         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_INFO, -1, -1);
1701
1702         mutex_lock(&bp->hwrm_cmd_lock);
1703         rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1704         if (!rc) {
1705                 *entries = le32_to_cpu(output->entries);
1706                 *length = le32_to_cpu(output->entry_length);
1707         }
1708         mutex_unlock(&bp->hwrm_cmd_lock);
1709         return rc;
1710 }
1711
1712 static int bnxt_get_eeprom_len(struct net_device *dev)
1713 {
1714         /* The -1 return value allows the entire 32-bit range of offsets to be
1715          * passed via the ethtool command-line utility.
1716          */
1717         return -1;
1718 }
1719
1720 static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data)
1721 {
1722         struct bnxt *bp = netdev_priv(dev);
1723         int rc;
1724         u32 dir_entries;
1725         u32 entry_length;
1726         u8 *buf;
1727         size_t buflen;
1728         dma_addr_t dma_handle;
1729         struct hwrm_nvm_get_dir_entries_input req = {0};
1730
1731         rc = nvm_get_dir_info(dev, &dir_entries, &entry_length);
1732         if (rc != 0)
1733                 return rc;
1734
1735         /* Insert 2 bytes of directory info (count and size of entries) */
1736         if (len < 2)
1737                 return -EINVAL;
1738
1739         *data++ = dir_entries;
1740         *data++ = entry_length;
1741         len -= 2;
1742         memset(data, 0xff, len);
1743
1744         buflen = dir_entries * entry_length;
1745         buf = dma_alloc_coherent(&bp->pdev->dev, buflen, &dma_handle,
1746                                  GFP_KERNEL);
1747         if (!buf) {
1748                 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1749                            (unsigned)buflen);
1750                 return -ENOMEM;
1751         }
1752         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_ENTRIES, -1, -1);
1753         req.host_dest_addr = cpu_to_le64(dma_handle);
1754         rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1755         if (rc == 0)
1756                 memcpy(data, buf, len > buflen ? buflen : len);
1757         dma_free_coherent(&bp->pdev->dev, buflen, buf, dma_handle);
1758         return rc;
1759 }
1760
1761 static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset,
1762                                u32 length, u8 *data)
1763 {
1764         struct bnxt *bp = netdev_priv(dev);
1765         int rc;
1766         u8 *buf;
1767         dma_addr_t dma_handle;
1768         struct hwrm_nvm_read_input req = {0};
1769
1770         buf = dma_alloc_coherent(&bp->pdev->dev, length, &dma_handle,
1771                                  GFP_KERNEL);
1772         if (!buf) {
1773                 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1774                            (unsigned)length);
1775                 return -ENOMEM;
1776         }
1777         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_READ, -1, -1);
1778         req.host_dest_addr = cpu_to_le64(dma_handle);
1779         req.dir_idx = cpu_to_le16(index);
1780         req.offset = cpu_to_le32(offset);
1781         req.len = cpu_to_le32(length);
1782
1783         rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1784         if (rc == 0)
1785                 memcpy(data, buf, length);
1786         dma_free_coherent(&bp->pdev->dev, length, buf, dma_handle);
1787         return rc;
1788 }
1789
1790 static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
1791                                 u16 ext, u16 *index, u32 *item_length,
1792                                 u32 *data_length)
1793 {
1794         struct bnxt *bp = netdev_priv(dev);
1795         int rc;
1796         struct hwrm_nvm_find_dir_entry_input req = {0};
1797         struct hwrm_nvm_find_dir_entry_output *output = bp->hwrm_cmd_resp_addr;
1798
1799         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_FIND_DIR_ENTRY, -1, -1);
1800         req.enables = 0;
1801         req.dir_idx = 0;
1802         req.dir_type = cpu_to_le16(type);
1803         req.dir_ordinal = cpu_to_le16(ordinal);
1804         req.dir_ext = cpu_to_le16(ext);
1805         req.opt_ordinal = NVM_FIND_DIR_ENTRY_REQ_OPT_ORDINAL_EQ;
1806         rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1807         if (rc == 0) {
1808                 if (index)
1809                         *index = le16_to_cpu(output->dir_idx);
1810                 if (item_length)
1811                         *item_length = le32_to_cpu(output->dir_item_length);
1812                 if (data_length)
1813                         *data_length = le32_to_cpu(output->dir_data_length);
1814         }
1815         return rc;
1816 }
1817
1818 static char *bnxt_parse_pkglog(int desired_field, u8 *data, size_t datalen)
1819 {
1820         char    *retval = NULL;
1821         char    *p;
1822         char    *value;
1823         int     field = 0;
1824
1825         if (datalen < 1)
1826                 return NULL;
1827         /* null-terminate the log data (removing last '\n'): */
1828         data[datalen - 1] = 0;
1829         for (p = data; *p != 0; p++) {
1830                 field = 0;
1831                 retval = NULL;
1832                 while (*p != 0 && *p != '\n') {
1833                         value = p;
1834                         while (*p != 0 && *p != '\t' && *p != '\n')
1835                                 p++;
1836                         if (field == desired_field)
1837                                 retval = value;
1838                         if (*p != '\t')
1839                                 break;
1840                         *p = 0;
1841                         field++;
1842                         p++;
1843                 }
1844                 if (*p == 0)
1845                         break;
1846                 *p = 0;
1847         }
1848         return retval;
1849 }
1850
1851 static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen)
1852 {
1853         u16 index = 0;
1854         u32 datalen;
1855
1856         if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG,
1857                                  BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
1858                                  &index, NULL, &datalen) != 0)
1859                 return NULL;
1860
1861         memset(buf, 0, buflen);
1862         if (bnxt_get_nvram_item(dev, index, 0, datalen, buf) != 0)
1863                 return NULL;
1864
1865         return bnxt_parse_pkglog(BNX_PKG_LOG_FIELD_IDX_PKG_VERSION, buf,
1866                 datalen);
1867 }
1868
1869 static int bnxt_get_eeprom(struct net_device *dev,
1870                            struct ethtool_eeprom *eeprom,
1871                            u8 *data)
1872 {
1873         u32 index;
1874         u32 offset;
1875
1876         if (eeprom->offset == 0) /* special offset value to get directory */
1877                 return bnxt_get_nvram_directory(dev, eeprom->len, data);
1878
1879         index = eeprom->offset >> 24;
1880         offset = eeprom->offset & 0xffffff;
1881
1882         if (index == 0) {
1883                 netdev_err(dev, "unsupported index value: %d\n", index);
1884                 return -EINVAL;
1885         }
1886
1887         return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data);
1888 }
1889
1890 static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index)
1891 {
1892         struct bnxt *bp = netdev_priv(dev);
1893         struct hwrm_nvm_erase_dir_entry_input req = {0};
1894
1895         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_ERASE_DIR_ENTRY, -1, -1);
1896         req.dir_idx = cpu_to_le16(index);
1897         return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1898 }
1899
1900 static int bnxt_set_eeprom(struct net_device *dev,
1901                            struct ethtool_eeprom *eeprom,
1902                            u8 *data)
1903 {
1904         struct bnxt *bp = netdev_priv(dev);
1905         u8 index, dir_op;
1906         u16 type, ext, ordinal, attr;
1907
1908         if (!BNXT_PF(bp)) {
1909                 netdev_err(dev, "NVM write not supported from a virtual function\n");
1910                 return -EINVAL;
1911         }
1912
1913         type = eeprom->magic >> 16;
1914
1915         if (type == 0xffff) { /* special value for directory operations */
1916                 index = eeprom->magic & 0xff;
1917                 dir_op = eeprom->magic >> 8;
1918                 if (index == 0)
1919                         return -EINVAL;
1920                 switch (dir_op) {
1921                 case 0x0e: /* erase */
1922                         if (eeprom->offset != ~eeprom->magic)
1923                                 return -EINVAL;
1924                         return bnxt_erase_nvram_directory(dev, index - 1);
1925                 default:
1926                         return -EINVAL;
1927                 }
1928         }
1929
1930         /* Create or re-write an NVM item: */
1931         if (bnxt_dir_type_is_executable(type) == true)
1932                 return -EOPNOTSUPP;
1933         ext = eeprom->magic & 0xffff;
1934         ordinal = eeprom->offset >> 16;
1935         attr = eeprom->offset & 0xffff;
1936
1937         return bnxt_flash_nvram(dev, type, ordinal, ext, attr, data,
1938                                 eeprom->len);
1939 }
1940
1941 static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata)
1942 {
1943         struct bnxt *bp = netdev_priv(dev);
1944         struct ethtool_eee *eee = &bp->eee;
1945         struct bnxt_link_info *link_info = &bp->link_info;
1946         u32 advertising =
1947                  _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0);
1948         int rc = 0;
1949
1950         if (!BNXT_SINGLE_PF(bp))
1951                 return -EOPNOTSUPP;
1952
1953         if (!(bp->flags & BNXT_FLAG_EEE_CAP))
1954                 return -EOPNOTSUPP;
1955
1956         if (!edata->eee_enabled)
1957                 goto eee_ok;
1958
1959         if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) {
1960                 netdev_warn(dev, "EEE requires autoneg\n");
1961                 return -EINVAL;
1962         }
1963         if (edata->tx_lpi_enabled) {
1964                 if (bp->lpi_tmr_hi && (edata->tx_lpi_timer > bp->lpi_tmr_hi ||
1965                                        edata->tx_lpi_timer < bp->lpi_tmr_lo)) {
1966                         netdev_warn(dev, "Valid LPI timer range is %d and %d microsecs\n",
1967                                     bp->lpi_tmr_lo, bp->lpi_tmr_hi);
1968                         return -EINVAL;
1969                 } else if (!bp->lpi_tmr_hi) {
1970                         edata->tx_lpi_timer = eee->tx_lpi_timer;
1971                 }
1972         }
1973         if (!edata->advertised) {
1974                 edata->advertised = advertising & eee->supported;
1975         } else if (edata->advertised & ~advertising) {
1976                 netdev_warn(dev, "EEE advertised %x must be a subset of autoneg advertised speeds %x\n",
1977                             edata->advertised, advertising);
1978                 return -EINVAL;
1979         }
1980
1981         eee->advertised = edata->advertised;
1982         eee->tx_lpi_enabled = edata->tx_lpi_enabled;
1983         eee->tx_lpi_timer = edata->tx_lpi_timer;
1984 eee_ok:
1985         eee->eee_enabled = edata->eee_enabled;
1986
1987         if (netif_running(dev))
1988                 rc = bnxt_hwrm_set_link_setting(bp, false, true);
1989
1990         return rc;
1991 }
1992
1993 static int bnxt_get_eee(struct net_device *dev, struct ethtool_eee *edata)
1994 {
1995         struct bnxt *bp = netdev_priv(dev);
1996
1997         if (!(bp->flags & BNXT_FLAG_EEE_CAP))
1998                 return -EOPNOTSUPP;
1999
2000         *edata = bp->eee;
2001         if (!bp->eee.eee_enabled) {
2002                 /* Preserve tx_lpi_timer so that the last value will be used
2003                  * by default when it is re-enabled.
2004                  */
2005                 edata->advertised = 0;
2006                 edata->tx_lpi_enabled = 0;
2007         }
2008
2009         if (!bp->eee.eee_active)
2010                 edata->lp_advertised = 0;
2011
2012         return 0;
2013 }
2014
2015 static int bnxt_read_sfp_module_eeprom_info(struct bnxt *bp, u16 i2c_addr,
2016                                             u16 page_number, u16 start_addr,
2017                                             u16 data_length, u8 *buf)
2018 {
2019         struct hwrm_port_phy_i2c_read_input req = {0};
2020         struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr;
2021         int rc, byte_offset = 0;
2022
2023         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1);
2024         req.i2c_slave_addr = i2c_addr;
2025         req.page_number = cpu_to_le16(page_number);
2026         req.port_id = cpu_to_le16(bp->pf.port_id);
2027         do {
2028                 u16 xfer_size;
2029
2030                 xfer_size = min_t(u16, data_length, BNXT_MAX_PHY_I2C_RESP_SIZE);
2031                 data_length -= xfer_size;
2032                 req.page_offset = cpu_to_le16(start_addr + byte_offset);
2033                 req.data_length = xfer_size;
2034                 req.enables = cpu_to_le32(start_addr + byte_offset ?
2035                                  PORT_PHY_I2C_READ_REQ_ENABLES_PAGE_OFFSET : 0);
2036                 mutex_lock(&bp->hwrm_cmd_lock);
2037                 rc = _hwrm_send_message(bp, &req, sizeof(req),
2038                                         HWRM_CMD_TIMEOUT);
2039                 if (!rc)
2040                         memcpy(buf + byte_offset, output->data, xfer_size);
2041                 mutex_unlock(&bp->hwrm_cmd_lock);
2042                 byte_offset += xfer_size;
2043         } while (!rc && data_length > 0);
2044
2045         return rc;
2046 }
2047
2048 static int bnxt_get_module_info(struct net_device *dev,
2049                                 struct ethtool_modinfo *modinfo)
2050 {
2051         struct bnxt *bp = netdev_priv(dev);
2052         struct hwrm_port_phy_i2c_read_input req = {0};
2053         struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr;
2054         int rc;
2055
2056         /* No point in going further if phy status indicates
2057          * module is not inserted or if it is powered down or
2058          * if it is of type 10GBase-T
2059          */
2060         if (bp->link_info.module_status >
2061                 PORT_PHY_QCFG_RESP_MODULE_STATUS_WARNINGMSG)
2062                 return -EOPNOTSUPP;
2063
2064         /* This feature is not supported in older firmware versions */
2065         if (bp->hwrm_spec_code < 0x10202)
2066                 return -EOPNOTSUPP;
2067
2068         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1);
2069         req.i2c_slave_addr = I2C_DEV_ADDR_A0;
2070         req.page_number = 0;
2071         req.page_offset = cpu_to_le16(SFP_EEPROM_SFF_8472_COMP_ADDR);
2072         req.data_length = SFP_EEPROM_SFF_8472_COMP_SIZE;
2073         req.port_id = cpu_to_le16(bp->pf.port_id);
2074         mutex_lock(&bp->hwrm_cmd_lock);
2075         rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2076         if (!rc) {
2077                 u32 module_id = le32_to_cpu(output->data[0]);
2078
2079                 switch (module_id) {
2080                 case SFF_MODULE_ID_SFP:
2081                         modinfo->type = ETH_MODULE_SFF_8472;
2082                         modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
2083                         break;
2084                 case SFF_MODULE_ID_QSFP:
2085                 case SFF_MODULE_ID_QSFP_PLUS:
2086                         modinfo->type = ETH_MODULE_SFF_8436;
2087                         modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
2088                         break;
2089                 case SFF_MODULE_ID_QSFP28:
2090                         modinfo->type = ETH_MODULE_SFF_8636;
2091                         modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
2092                         break;
2093                 default:
2094                         rc = -EOPNOTSUPP;
2095                         break;
2096                 }
2097         }
2098         mutex_unlock(&bp->hwrm_cmd_lock);
2099         return rc;
2100 }
2101
2102 static int bnxt_get_module_eeprom(struct net_device *dev,
2103                                   struct ethtool_eeprom *eeprom,
2104                                   u8 *data)
2105 {
2106         struct bnxt *bp = netdev_priv(dev);
2107         u16  start = eeprom->offset, length = eeprom->len;
2108         int rc = 0;
2109
2110         memset(data, 0, eeprom->len);
2111
2112         /* Read A0 portion of the EEPROM */
2113         if (start < ETH_MODULE_SFF_8436_LEN) {
2114                 if (start + eeprom->len > ETH_MODULE_SFF_8436_LEN)
2115                         length = ETH_MODULE_SFF_8436_LEN - start;
2116                 rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0,
2117                                                       start, length, data);
2118                 if (rc)
2119                         return rc;
2120                 start += length;
2121                 data += length;
2122                 length = eeprom->len - length;
2123         }
2124
2125         /* Read A2 portion of the EEPROM */
2126         if (length) {
2127                 start -= ETH_MODULE_SFF_8436_LEN;
2128                 bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A2, 1, start,
2129                                                  length, data);
2130         }
2131         return rc;
2132 }
2133
2134 static int bnxt_nway_reset(struct net_device *dev)
2135 {
2136         int rc = 0;
2137
2138         struct bnxt *bp = netdev_priv(dev);
2139         struct bnxt_link_info *link_info = &bp->link_info;
2140
2141         if (!BNXT_SINGLE_PF(bp))
2142                 return -EOPNOTSUPP;
2143
2144         if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
2145                 return -EINVAL;
2146
2147         if (netif_running(dev))
2148                 rc = bnxt_hwrm_set_link_setting(bp, true, false);
2149
2150         return rc;
2151 }
2152
2153 static int bnxt_set_phys_id(struct net_device *dev,
2154                             enum ethtool_phys_id_state state)
2155 {
2156         struct hwrm_port_led_cfg_input req = {0};
2157         struct bnxt *bp = netdev_priv(dev);
2158         struct bnxt_pf_info *pf = &bp->pf;
2159         struct bnxt_led_cfg *led_cfg;
2160         u8 led_state;
2161         __le16 duration;
2162         int i, rc;
2163
2164         if (!bp->num_leds || BNXT_VF(bp))
2165                 return -EOPNOTSUPP;
2166
2167         if (state == ETHTOOL_ID_ACTIVE) {
2168                 led_state = PORT_LED_CFG_REQ_LED0_STATE_BLINKALT;
2169                 duration = cpu_to_le16(500);
2170         } else if (state == ETHTOOL_ID_INACTIVE) {
2171                 led_state = PORT_LED_CFG_REQ_LED1_STATE_DEFAULT;
2172                 duration = cpu_to_le16(0);
2173         } else {
2174                 return -EINVAL;
2175         }
2176         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_LED_CFG, -1, -1);
2177         req.port_id = cpu_to_le16(pf->port_id);
2178         req.num_leds = bp->num_leds;
2179         led_cfg = (struct bnxt_led_cfg *)&req.led0_id;
2180         for (i = 0; i < bp->num_leds; i++, led_cfg++) {
2181                 req.enables |= BNXT_LED_DFLT_ENABLES(i);
2182                 led_cfg->led_id = bp->leds[i].led_id;
2183                 led_cfg->led_state = led_state;
2184                 led_cfg->led_blink_on = duration;
2185                 led_cfg->led_blink_off = duration;
2186                 led_cfg->led_group_id = bp->leds[i].led_group_id;
2187         }
2188         rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2189         if (rc)
2190                 rc = -EIO;
2191         return rc;
2192 }
2193
2194 static int bnxt_hwrm_selftest_irq(struct bnxt *bp, u16 cmpl_ring)
2195 {
2196         struct hwrm_selftest_irq_input req = {0};
2197
2198         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_IRQ, cmpl_ring, -1);
2199         return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2200 }
2201
2202 static int bnxt_test_irq(struct bnxt *bp)
2203 {
2204         int i;
2205
2206         for (i = 0; i < bp->cp_nr_rings; i++) {
2207                 u16 cmpl_ring = bp->grp_info[i].cp_fw_ring_id;
2208                 int rc;
2209
2210                 rc = bnxt_hwrm_selftest_irq(bp, cmpl_ring);
2211                 if (rc)
2212                         return rc;
2213         }
2214         return 0;
2215 }
2216
2217 static int bnxt_hwrm_mac_loopback(struct bnxt *bp, bool enable)
2218 {
2219         struct hwrm_port_mac_cfg_input req = {0};
2220
2221         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_MAC_CFG, -1, -1);
2222
2223         req.enables = cpu_to_le32(PORT_MAC_CFG_REQ_ENABLES_LPBK);
2224         if (enable)
2225                 req.lpbk = PORT_MAC_CFG_REQ_LPBK_LOCAL;
2226         else
2227                 req.lpbk = PORT_MAC_CFG_REQ_LPBK_NONE;
2228         return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2229 }
2230
2231 static int bnxt_disable_an_for_lpbk(struct bnxt *bp,
2232                                     struct hwrm_port_phy_cfg_input *req)
2233 {
2234         struct bnxt_link_info *link_info = &bp->link_info;
2235         u16 fw_advertising = link_info->advertising;
2236         u16 fw_speed;
2237         int rc;
2238
2239         if (!link_info->autoneg)
2240                 return 0;
2241
2242         fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_1GB;
2243         if (netif_carrier_ok(bp->dev))
2244                 fw_speed = bp->link_info.link_speed;
2245         else if (fw_advertising & BNXT_LINK_SPEED_MSK_10GB)
2246                 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_10GB;
2247         else if (fw_advertising & BNXT_LINK_SPEED_MSK_25GB)
2248                 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_25GB;
2249         else if (fw_advertising & BNXT_LINK_SPEED_MSK_40GB)
2250                 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_40GB;
2251         else if (fw_advertising & BNXT_LINK_SPEED_MSK_50GB)
2252                 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_50GB;
2253
2254         req->force_link_speed = cpu_to_le16(fw_speed);
2255         req->flags |= cpu_to_le32(PORT_PHY_CFG_REQ_FLAGS_FORCE |
2256                                   PORT_PHY_CFG_REQ_FLAGS_RESET_PHY);
2257         rc = hwrm_send_message(bp, req, sizeof(*req), HWRM_CMD_TIMEOUT);
2258         req->flags = 0;
2259         req->force_link_speed = cpu_to_le16(0);
2260         return rc;
2261 }
2262
2263 static int bnxt_hwrm_phy_loopback(struct bnxt *bp, bool enable)
2264 {
2265         struct hwrm_port_phy_cfg_input req = {0};
2266
2267         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_CFG, -1, -1);
2268
2269         if (enable) {
2270                 bnxt_disable_an_for_lpbk(bp, &req);
2271                 req.lpbk = PORT_PHY_CFG_REQ_LPBK_LOCAL;
2272         } else {
2273                 req.lpbk = PORT_PHY_CFG_REQ_LPBK_NONE;
2274         }
2275         req.enables = cpu_to_le32(PORT_PHY_CFG_REQ_ENABLES_LPBK);
2276         return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2277 }
2278
2279 static int bnxt_rx_loopback(struct bnxt *bp, struct bnxt_napi *bnapi,
2280                             u32 raw_cons, int pkt_size)
2281 {
2282         struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
2283         struct bnxt_rx_ring_info *rxr = bnapi->rx_ring;
2284         struct bnxt_sw_rx_bd *rx_buf;
2285         struct rx_cmp *rxcmp;
2286         u16 cp_cons, cons;
2287         u8 *data;
2288         u32 len;
2289         int i;
2290
2291         cp_cons = RING_CMP(raw_cons);
2292         rxcmp = (struct rx_cmp *)
2293                 &cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)];
2294         cons = rxcmp->rx_cmp_opaque;
2295         rx_buf = &rxr->rx_buf_ring[cons];
2296         data = rx_buf->data_ptr;
2297         len = le32_to_cpu(rxcmp->rx_cmp_len_flags_type) >> RX_CMP_LEN_SHIFT;
2298         if (len != pkt_size)
2299                 return -EIO;
2300         i = ETH_ALEN;
2301         if (!ether_addr_equal(data + i, bnapi->bp->dev->dev_addr))
2302                 return -EIO;
2303         i += ETH_ALEN;
2304         for (  ; i < pkt_size; i++) {
2305                 if (data[i] != (u8)(i & 0xff))
2306                         return -EIO;
2307         }
2308         return 0;
2309 }
2310
2311 static int bnxt_poll_loopback(struct bnxt *bp, int pkt_size)
2312 {
2313         struct bnxt_napi *bnapi = bp->bnapi[0];
2314         struct bnxt_cp_ring_info *cpr;
2315         struct tx_cmp *txcmp;
2316         int rc = -EIO;
2317         u32 raw_cons;
2318         u32 cons;
2319         int i;
2320
2321         cpr = &bnapi->cp_ring;
2322         raw_cons = cpr->cp_raw_cons;
2323         for (i = 0; i < 200; i++) {
2324                 cons = RING_CMP(raw_cons);
2325                 txcmp = &cpr->cp_desc_ring[CP_RING(cons)][CP_IDX(cons)];
2326
2327                 if (!TX_CMP_VALID(txcmp, raw_cons)) {
2328                         udelay(5);
2329                         continue;
2330                 }
2331
2332                 /* The valid test of the entry must be done first before
2333                  * reading any further.
2334                  */
2335                 dma_rmb();
2336                 if (TX_CMP_TYPE(txcmp) == CMP_TYPE_RX_L2_CMP) {
2337                         rc = bnxt_rx_loopback(bp, bnapi, raw_cons, pkt_size);
2338                         raw_cons = NEXT_RAW_CMP(raw_cons);
2339                         raw_cons = NEXT_RAW_CMP(raw_cons);
2340                         break;
2341                 }
2342                 raw_cons = NEXT_RAW_CMP(raw_cons);
2343         }
2344         cpr->cp_raw_cons = raw_cons;
2345         return rc;
2346 }
2347
2348 static int bnxt_run_loopback(struct bnxt *bp)
2349 {
2350         struct bnxt_tx_ring_info *txr = &bp->tx_ring[0];
2351         int pkt_size, i = 0;
2352         struct sk_buff *skb;
2353         dma_addr_t map;
2354         u8 *data;
2355         int rc;
2356
2357         pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_copy_thresh);
2358         skb = netdev_alloc_skb(bp->dev, pkt_size);
2359         if (!skb)
2360                 return -ENOMEM;
2361         data = skb_put(skb, pkt_size);
2362         eth_broadcast_addr(data);
2363         i += ETH_ALEN;
2364         ether_addr_copy(&data[i], bp->dev->dev_addr);
2365         i += ETH_ALEN;
2366         for ( ; i < pkt_size; i++)
2367                 data[i] = (u8)(i & 0xff);
2368
2369         map = dma_map_single(&bp->pdev->dev, skb->data, pkt_size,
2370                              PCI_DMA_TODEVICE);
2371         if (dma_mapping_error(&bp->pdev->dev, map)) {
2372                 dev_kfree_skb(skb);
2373                 return -EIO;
2374         }
2375         bnxt_xmit_xdp(bp, txr, map, pkt_size, 0);
2376
2377         /* Sync BD data before updating doorbell */
2378         wmb();
2379
2380         bnxt_db_write(bp, txr->tx_doorbell, DB_KEY_TX | txr->tx_prod);
2381         rc = bnxt_poll_loopback(bp, pkt_size);
2382
2383         dma_unmap_single(&bp->pdev->dev, map, pkt_size, PCI_DMA_TODEVICE);
2384         dev_kfree_skb(skb);
2385         return rc;
2386 }
2387
2388 static int bnxt_run_fw_tests(struct bnxt *bp, u8 test_mask, u8 *test_results)
2389 {
2390         struct hwrm_selftest_exec_output *resp = bp->hwrm_cmd_resp_addr;
2391         struct hwrm_selftest_exec_input req = {0};
2392         int rc;
2393
2394         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_EXEC, -1, -1);
2395         mutex_lock(&bp->hwrm_cmd_lock);
2396         resp->test_success = 0;
2397         req.flags = test_mask;
2398         rc = _hwrm_send_message(bp, &req, sizeof(req), bp->test_info->timeout);
2399         *test_results = resp->test_success;
2400         mutex_unlock(&bp->hwrm_cmd_lock);
2401         return rc;
2402 }
2403
2404 #define BNXT_DRV_TESTS                  3
2405 #define BNXT_MACLPBK_TEST_IDX           (bp->num_tests - BNXT_DRV_TESTS)
2406 #define BNXT_PHYLPBK_TEST_IDX           (BNXT_MACLPBK_TEST_IDX + 1)
2407 #define BNXT_IRQ_TEST_IDX               (BNXT_MACLPBK_TEST_IDX + 2)
2408
2409 static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest,
2410                            u64 *buf)
2411 {
2412         struct bnxt *bp = netdev_priv(dev);
2413         bool offline = false;
2414         u8 test_results = 0;
2415         u8 test_mask = 0;
2416         int rc, i;
2417
2418         if (!bp->num_tests || !BNXT_SINGLE_PF(bp))
2419                 return;
2420         memset(buf, 0, sizeof(u64) * bp->num_tests);
2421         if (!netif_running(dev)) {
2422                 etest->flags |= ETH_TEST_FL_FAILED;
2423                 return;
2424         }
2425
2426         if (etest->flags & ETH_TEST_FL_OFFLINE) {
2427                 if (bp->pf.active_vfs) {
2428                         etest->flags |= ETH_TEST_FL_FAILED;
2429                         netdev_warn(dev, "Offline tests cannot be run with active VFs\n");
2430                         return;
2431                 }
2432                 offline = true;
2433         }
2434
2435         for (i = 0; i < bp->num_tests - BNXT_DRV_TESTS; i++) {
2436                 u8 bit_val = 1 << i;
2437
2438                 if (!(bp->test_info->offline_mask & bit_val))
2439                         test_mask |= bit_val;
2440                 else if (offline)
2441                         test_mask |= bit_val;
2442         }
2443         if (!offline) {
2444                 bnxt_run_fw_tests(bp, test_mask, &test_results);
2445         } else {
2446                 rc = bnxt_close_nic(bp, false, false);
2447                 if (rc)
2448                         return;
2449                 bnxt_run_fw_tests(bp, test_mask, &test_results);
2450
2451                 buf[BNXT_MACLPBK_TEST_IDX] = 1;
2452                 bnxt_hwrm_mac_loopback(bp, true);
2453                 msleep(250);
2454                 rc = bnxt_half_open_nic(bp);
2455                 if (rc) {
2456                         bnxt_hwrm_mac_loopback(bp, false);
2457                         etest->flags |= ETH_TEST_FL_FAILED;
2458                         return;
2459                 }
2460                 if (bnxt_run_loopback(bp))
2461                         etest->flags |= ETH_TEST_FL_FAILED;
2462                 else
2463                         buf[BNXT_MACLPBK_TEST_IDX] = 0;
2464
2465                 bnxt_hwrm_mac_loopback(bp, false);
2466                 bnxt_hwrm_phy_loopback(bp, true);
2467                 msleep(1000);
2468                 if (bnxt_run_loopback(bp)) {
2469                         buf[BNXT_PHYLPBK_TEST_IDX] = 1;
2470                         etest->flags |= ETH_TEST_FL_FAILED;
2471                 }
2472                 bnxt_hwrm_phy_loopback(bp, false);
2473                 bnxt_half_close_nic(bp);
2474                 bnxt_open_nic(bp, false, true);
2475         }
2476         if (bnxt_test_irq(bp)) {
2477                 buf[BNXT_IRQ_TEST_IDX] = 1;
2478                 etest->flags |= ETH_TEST_FL_FAILED;
2479         }
2480         for (i = 0; i < bp->num_tests - BNXT_DRV_TESTS; i++) {
2481                 u8 bit_val = 1 << i;
2482
2483                 if ((test_mask & bit_val) && !(test_results & bit_val)) {
2484                         buf[i] = 1;
2485                         etest->flags |= ETH_TEST_FL_FAILED;
2486                 }
2487         }
2488 }
2489
2490 void bnxt_ethtool_init(struct bnxt *bp)
2491 {
2492         struct hwrm_selftest_qlist_output *resp = bp->hwrm_cmd_resp_addr;
2493         struct hwrm_selftest_qlist_input req = {0};
2494         struct bnxt_test_info *test_info;
2495         int i, rc;
2496
2497         if (bp->hwrm_spec_code < 0x10704 || !BNXT_SINGLE_PF(bp))
2498                 return;
2499
2500         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_QLIST, -1, -1);
2501         mutex_lock(&bp->hwrm_cmd_lock);
2502         rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2503         if (rc)
2504                 goto ethtool_init_exit;
2505
2506         test_info = kzalloc(sizeof(*bp->test_info), GFP_KERNEL);
2507         if (!test_info)
2508                 goto ethtool_init_exit;
2509
2510         bp->test_info = test_info;
2511         bp->num_tests = resp->num_tests + BNXT_DRV_TESTS;
2512         if (bp->num_tests > BNXT_MAX_TEST)
2513                 bp->num_tests = BNXT_MAX_TEST;
2514
2515         test_info->offline_mask = resp->offline_tests;
2516         test_info->timeout = le16_to_cpu(resp->test_timeout);
2517         if (!test_info->timeout)
2518                 test_info->timeout = HWRM_CMD_TIMEOUT;
2519         for (i = 0; i < bp->num_tests; i++) {
2520                 char *str = test_info->string[i];
2521                 char *fw_str = resp->test0_name + i * 32;
2522
2523                 if (i == BNXT_MACLPBK_TEST_IDX) {
2524                         strcpy(str, "Mac loopback test (offline)");
2525                 } else if (i == BNXT_PHYLPBK_TEST_IDX) {
2526                         strcpy(str, "Phy loopback test (offline)");
2527                 } else if (i == BNXT_IRQ_TEST_IDX) {
2528                         strcpy(str, "Interrupt_test (offline)");
2529                 } else {
2530                         strlcpy(str, fw_str, ETH_GSTRING_LEN);
2531                         strncat(str, " test", ETH_GSTRING_LEN - strlen(str));
2532                         if (test_info->offline_mask & (1 << i))
2533                                 strncat(str, " (offline)",
2534                                         ETH_GSTRING_LEN - strlen(str));
2535                         else
2536                                 strncat(str, " (online)",
2537                                         ETH_GSTRING_LEN - strlen(str));
2538                 }
2539         }
2540
2541 ethtool_init_exit:
2542         mutex_unlock(&bp->hwrm_cmd_lock);
2543 }
2544
2545 void bnxt_ethtool_free(struct bnxt *bp)
2546 {
2547         kfree(bp->test_info);
2548         bp->test_info = NULL;
2549 }
2550
2551 const struct ethtool_ops bnxt_ethtool_ops = {
2552         .get_link_ksettings     = bnxt_get_link_ksettings,
2553         .set_link_ksettings     = bnxt_set_link_ksettings,
2554         .get_pauseparam         = bnxt_get_pauseparam,
2555         .set_pauseparam         = bnxt_set_pauseparam,
2556         .get_drvinfo            = bnxt_get_drvinfo,
2557         .get_wol                = bnxt_get_wol,
2558         .set_wol                = bnxt_set_wol,
2559         .get_coalesce           = bnxt_get_coalesce,
2560         .set_coalesce           = bnxt_set_coalesce,
2561         .get_msglevel           = bnxt_get_msglevel,
2562         .set_msglevel           = bnxt_set_msglevel,
2563         .get_sset_count         = bnxt_get_sset_count,
2564         .get_strings            = bnxt_get_strings,
2565         .get_ethtool_stats      = bnxt_get_ethtool_stats,
2566         .set_ringparam          = bnxt_set_ringparam,
2567         .get_ringparam          = bnxt_get_ringparam,
2568         .get_channels           = bnxt_get_channels,
2569         .set_channels           = bnxt_set_channels,
2570         .get_rxnfc              = bnxt_get_rxnfc,
2571         .set_rxnfc              = bnxt_set_rxnfc,
2572         .get_rxfh_indir_size    = bnxt_get_rxfh_indir_size,
2573         .get_rxfh_key_size      = bnxt_get_rxfh_key_size,
2574         .get_rxfh               = bnxt_get_rxfh,
2575         .flash_device           = bnxt_flash_device,
2576         .get_eeprom_len         = bnxt_get_eeprom_len,
2577         .get_eeprom             = bnxt_get_eeprom,
2578         .set_eeprom             = bnxt_set_eeprom,
2579         .get_link               = bnxt_get_link,
2580         .get_eee                = bnxt_get_eee,
2581         .set_eee                = bnxt_set_eee,
2582         .get_module_info        = bnxt_get_module_info,
2583         .get_module_eeprom      = bnxt_get_module_eeprom,
2584         .nway_reset             = bnxt_nway_reset,
2585         .set_phys_id            = bnxt_set_phys_id,
2586         .self_test              = bnxt_self_test,
2587 };