drivers/net/ethernet/intel/fm10k/fm10k_ethtool.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /* Copyright(c) 2013 - 2018 Intel Corporation. */
   3
   4 #include <linux/vmalloc.h>
   5
   6 #include "fm10k.h"
   7
   8 struct fm10k_stats {
   9         /* The stat_string is expected to be a format string formatted using
  10          * vsnprintf by fm10k_add_stat_strings. Every member of a stats array
  11          * should use the same format specifiers as they will be formatted
  12          * using the same variadic arguments.
  13          */
  14         char stat_string[ETH_GSTRING_LEN];
  15         int sizeof_stat;
  16         int stat_offset;
  17 };
  18
  19 #define FM10K_STAT_FIELDS(_type, _name, _stat) { \
  20         .stat_string = _name, \
  21         .sizeof_stat = FIELD_SIZEOF(_type, _stat), \
  22         .stat_offset = offsetof(_type, _stat) \
  23 }
  24
  25 /* netdevice statistics */
  26 #define FM10K_NETDEV_STAT(_net_stat) \
  27         FM10K_STAT_FIELDS(struct net_device_stats, __stringify(_net_stat), \
  28                           _net_stat)
  29
  30 static const struct fm10k_stats fm10k_gstrings_net_stats[] = {
  31         FM10K_NETDEV_STAT(tx_packets),
  32         FM10K_NETDEV_STAT(tx_bytes),
  33         FM10K_NETDEV_STAT(tx_errors),
  34         FM10K_NETDEV_STAT(rx_packets),
  35         FM10K_NETDEV_STAT(rx_bytes),
  36         FM10K_NETDEV_STAT(rx_errors),
  37         FM10K_NETDEV_STAT(rx_dropped),
  38
  39         /* detailed Rx errors */
  40         FM10K_NETDEV_STAT(rx_length_errors),
  41         FM10K_NETDEV_STAT(rx_crc_errors),
  42         FM10K_NETDEV_STAT(rx_fifo_errors),
  43 };
  44
  45 #define FM10K_NETDEV_STATS_LEN  ARRAY_SIZE(fm10k_gstrings_net_stats)
  46
  47 /* General interface statistics */
  48 #define FM10K_STAT(_name, _stat) \
  49         FM10K_STAT_FIELDS(struct fm10k_intfc, _name, _stat)
  50
  51 static const struct fm10k_stats fm10k_gstrings_global_stats[] = {
  52         FM10K_STAT("tx_restart_queue", restart_queue),
  53         FM10K_STAT("tx_busy", tx_busy),
  54         FM10K_STAT("tx_csum_errors", tx_csum_errors),
  55         FM10K_STAT("rx_alloc_failed", alloc_failed),
  56         FM10K_STAT("rx_csum_errors", rx_csum_errors),
  57
  58         FM10K_STAT("tx_packets_nic", tx_packets_nic),
  59         FM10K_STAT("tx_bytes_nic", tx_bytes_nic),
  60         FM10K_STAT("rx_packets_nic", rx_packets_nic),
  61         FM10K_STAT("rx_bytes_nic", rx_bytes_nic),
  62         FM10K_STAT("rx_drops_nic", rx_drops_nic),
  63         FM10K_STAT("rx_overrun_pf", rx_overrun_pf),
  64         FM10K_STAT("rx_overrun_vf", rx_overrun_vf),
  65
  66         FM10K_STAT("swapi_status", hw.swapi.status),
  67         FM10K_STAT("mac_rules_used", hw.swapi.mac.used),
  68         FM10K_STAT("mac_rules_avail", hw.swapi.mac.avail),
  69
  70         FM10K_STAT("reset_while_pending", hw.mac.reset_while_pending),
  71
  72         FM10K_STAT("tx_hang_count", tx_timeout_count),
  73 };
  74
  75 static const struct fm10k_stats fm10k_gstrings_pf_stats[] = {
  76         FM10K_STAT("timeout", stats.timeout.count),
  77         FM10K_STAT("ur", stats.ur.count),
  78         FM10K_STAT("ca", stats.ca.count),
  79         FM10K_STAT("um", stats.um.count),
  80         FM10K_STAT("xec", stats.xec.count),
  81         FM10K_STAT("vlan_drop", stats.vlan_drop.count),
  82         FM10K_STAT("loopback_drop", stats.loopback_drop.count),
  83         FM10K_STAT("nodesc_drop", stats.nodesc_drop.count),
  84 };
  85
  86 /* mailbox statistics */
  87 #define FM10K_MBX_STAT(_name, _stat) \
  88         FM10K_STAT_FIELDS(struct fm10k_mbx_info, _name, _stat)
  89
  90 static const struct fm10k_stats fm10k_gstrings_mbx_stats[] = {
  91         FM10K_MBX_STAT("mbx_tx_busy", tx_busy),
  92         FM10K_MBX_STAT("mbx_tx_dropped", tx_dropped),
  93         FM10K_MBX_STAT("mbx_tx_messages", tx_messages),
  94         FM10K_MBX_STAT("mbx_tx_dwords", tx_dwords),
  95         FM10K_MBX_STAT("mbx_tx_mbmem_pulled", tx_mbmem_pulled),
  96         FM10K_MBX_STAT("mbx_rx_messages", rx_messages),
  97         FM10K_MBX_STAT("mbx_rx_dwords", rx_dwords),
  98         FM10K_MBX_STAT("mbx_rx_parse_err", rx_parse_err),
  99         FM10K_MBX_STAT("mbx_rx_mbmem_pushed", rx_mbmem_pushed),
 100 };
 101
 102 /* per-queue ring statistics */
 103 #define FM10K_QUEUE_STAT(_name, _stat) \
 104         FM10K_STAT_FIELDS(struct fm10k_ring, _name, _stat)
 105
 106 static const struct fm10k_stats fm10k_gstrings_queue_stats[] = {
 107         FM10K_QUEUE_STAT("%s_queue_%u_packets", stats.packets),
 108         FM10K_QUEUE_STAT("%s_queue_%u_bytes", stats.bytes),
 109 };
 110
 111 #define FM10K_GLOBAL_STATS_LEN ARRAY_SIZE(fm10k_gstrings_global_stats)
 112 #define FM10K_PF_STATS_LEN ARRAY_SIZE(fm10k_gstrings_pf_stats)
 113 #define FM10K_MBX_STATS_LEN ARRAY_SIZE(fm10k_gstrings_mbx_stats)
 114 #define FM10K_QUEUE_STATS_LEN ARRAY_SIZE(fm10k_gstrings_queue_stats)
 115
 116 #define FM10K_STATIC_STATS_LEN (FM10K_GLOBAL_STATS_LEN + \
 117                                 FM10K_NETDEV_STATS_LEN + \
 118                                 FM10K_MBX_STATS_LEN)
 119
 120 static const char fm10k_gstrings_test[][ETH_GSTRING_LEN] = {
 121         "Mailbox test (on/offline)"
 122 };
 123
 124 #define FM10K_TEST_LEN (sizeof(fm10k_gstrings_test) / ETH_GSTRING_LEN)
 125
 126 enum fm10k_self_test_types {
 127         FM10K_TEST_MBX,
 128         FM10K_TEST_MAX = FM10K_TEST_LEN
 129 };
 130
 131 enum {
 132         FM10K_PRV_FLAG_LEN,
 133 };
 134
 135 static const char fm10k_prv_flags[FM10K_PRV_FLAG_LEN][ETH_GSTRING_LEN] = {
 136 };
 137
 138 static void __fm10k_add_stat_strings(u8 **p, const struct fm10k_stats stats[],
 139                                      const unsigned int size, ...)
 140 {
 141         unsigned int i;
 142
 143         for (i = 0; i < size; i++) {
 144                 va_list args;
 145
 146                 va_start(args, size);
 147                 vsnprintf(*p, ETH_GSTRING_LEN, stats[i].stat_string, args);
 148                 *p += ETH_GSTRING_LEN;
 149                 va_end(args);
 150         }
 151 }
 152
 153 #define fm10k_add_stat_strings(p, stats, ...) \
 154         __fm10k_add_stat_strings(p, stats, ARRAY_SIZE(stats), ## __VA_ARGS__)
 155
 156 static void fm10k_get_stat_strings(struct net_device *dev, u8 *data)
 157 {
 158         struct fm10k_intfc *interface = netdev_priv(dev);
 159         unsigned int i;
 160
 161         fm10k_add_stat_strings(&data, fm10k_gstrings_net_stats);
 162
 163         fm10k_add_stat_strings(&data, fm10k_gstrings_global_stats);
 164
 165         fm10k_add_stat_strings(&data, fm10k_gstrings_mbx_stats);
 166
 167         if (interface->hw.mac.type != fm10k_mac_vf)
 168                 fm10k_add_stat_strings(&data, fm10k_gstrings_pf_stats);
 169
 170         for (i = 0; i < interface->hw.mac.max_queues; i++) {
 171                 fm10k_add_stat_strings(&data, fm10k_gstrings_queue_stats,
 172                                        "tx", i);
 173
 174                 fm10k_add_stat_strings(&data, fm10k_gstrings_queue_stats,
 175                                        "rx", i);
 176         }
 177 }
 178
 179 static void fm10k_get_strings(struct net_device *dev,
 180                               u32 stringset, u8 *data)
 181 {
 182         switch (stringset) {
 183         case ETH_SS_TEST:
 184                 memcpy(data, fm10k_gstrings_test,
 185                        FM10K_TEST_LEN * ETH_GSTRING_LEN);
 186                 break;
 187         case ETH_SS_STATS:
 188                 fm10k_get_stat_strings(dev, data);
 189                 break;
 190         case ETH_SS_PRIV_FLAGS:
 191                 memcpy(data, fm10k_prv_flags,
 192                        FM10K_PRV_FLAG_LEN * ETH_GSTRING_LEN);
 193                 break;
 194         }
 195 }
 196
 197 static int fm10k_get_sset_count(struct net_device *dev, int sset)
 198 {
 199         struct fm10k_intfc *interface = netdev_priv(dev);
 200         struct fm10k_hw *hw = &interface->hw;
 201         int stats_len = FM10K_STATIC_STATS_LEN;
 202
 203         switch (sset) {
 204         case ETH_SS_TEST:
 205                 return FM10K_TEST_LEN;
 206         case ETH_SS_STATS:
 207                 stats_len += hw->mac.max_queues * 2 * FM10K_QUEUE_STATS_LEN;
 208
 209                 if (hw->mac.type != fm10k_mac_vf)
 210                         stats_len += FM10K_PF_STATS_LEN;
 211
 212                 return stats_len;
 213         case ETH_SS_PRIV_FLAGS:
 214                 return FM10K_PRV_FLAG_LEN;
 215         default:
 216                 return -EOPNOTSUPP;
 217         }
 218 }
 219
 220 static void __fm10k_add_ethtool_stats(u64 **data, void *pointer,
 221                                       const struct fm10k_stats stats[],
 222                                       const unsigned int size)
 223 {
 224         unsigned int i;
 225         char *p;
 226
 227         if (!pointer) {
 228                 /* memory is not zero allocated so we have to clear it */
 229                 for (i = 0; i < size; i++)
 230                         *((*data)++) = 0;
 231                 return;
 232         }
 233
 234         for (i = 0; i < size; i++) {
 235                 p = (char *)pointer + stats[i].stat_offset;
 236
 237                 switch (stats[i].sizeof_stat) {
 238                 case sizeof(u64):
 239                         *((*data)++) = *(u64 *)p;
 240                         break;
 241                 case sizeof(u32):
 242                         *((*data)++) = *(u32 *)p;
 243                         break;
 244                 case sizeof(u16):
 245                         *((*data)++) = *(u16 *)p;
 246                         break;
 247                 case sizeof(u8):
 248                         *((*data)++) = *(u8 *)p;
 249                         break;
 250                 default:
 251                         WARN_ONCE(1, "unexpected stat size for %s",
 252                                   stats[i].stat_string);
 253                         *((*data)++) = 0;
 254                 }
 255         }
 256 }
 257
 258 #define fm10k_add_ethtool_stats(data, pointer, stats) \
 259         __fm10k_add_ethtool_stats(data, pointer, stats, ARRAY_SIZE(stats))
 260
 261 static void fm10k_get_ethtool_stats(struct net_device *netdev,
 262                                     struct ethtool_stats __always_unused *stats,
 263                                     u64 *data)
 264 {
 265         struct fm10k_intfc *interface = netdev_priv(netdev);
 266         struct net_device_stats *net_stats = &netdev->stats;
 267         int i;
 268
 269         fm10k_update_stats(interface);
 270
 271         fm10k_add_ethtool_stats(&data, net_stats, fm10k_gstrings_net_stats);
 272
 273         fm10k_add_ethtool_stats(&data, interface, fm10k_gstrings_global_stats);
 274
 275         fm10k_add_ethtool_stats(&data, &interface->hw.mbx,
 276                                 fm10k_gstrings_mbx_stats);
 277
 278         if (interface->hw.mac.type != fm10k_mac_vf) {
 279                 fm10k_add_ethtool_stats(&data, interface,
 280                                         fm10k_gstrings_pf_stats);
 281         }
 282
 283         for (i = 0; i < interface->hw.mac.max_queues; i++) {
 284                 struct fm10k_ring *ring;
 285
 286                 ring = interface->tx_ring[i];
 287                 fm10k_add_ethtool_stats(&data, ring,
 288                                         fm10k_gstrings_queue_stats);
 289
 290                 ring = interface->rx_ring[i];
 291                 fm10k_add_ethtool_stats(&data, ring,
 292                                         fm10k_gstrings_queue_stats);
 293         }
 294 }
 295
 296 /* If function below adds more registers this define needs to be updated */
 297 #define FM10K_REGS_LEN_Q 29
 298
 299 static void fm10k_get_reg_q(struct fm10k_hw *hw, u32 *buff, int i)
 300 {
 301         int idx = 0;
 302
 303         buff[idx++] = fm10k_read_reg(hw, FM10K_RDBAL(i));
 304         buff[idx++] = fm10k_read_reg(hw, FM10K_RDBAH(i));
 305         buff[idx++] = fm10k_read_reg(hw, FM10K_RDLEN(i));
 306         buff[idx++] = fm10k_read_reg(hw, FM10K_TPH_RXCTRL(i));
 307         buff[idx++] = fm10k_read_reg(hw, FM10K_RDH(i));
 308         buff[idx++] = fm10k_read_reg(hw, FM10K_RDT(i));
 309         buff[idx++] = fm10k_read_reg(hw, FM10K_RXQCTL(i));
 310         buff[idx++] = fm10k_read_reg(hw, FM10K_RXDCTL(i));
 311         buff[idx++] = fm10k_read_reg(hw, FM10K_RXINT(i));
 312         buff[idx++] = fm10k_read_reg(hw, FM10K_SRRCTL(i));
 313         buff[idx++] = fm10k_read_reg(hw, FM10K_QPRC(i));
 314         buff[idx++] = fm10k_read_reg(hw, FM10K_QPRDC(i));
 315         buff[idx++] = fm10k_read_reg(hw, FM10K_QBRC_L(i));
 316         buff[idx++] = fm10k_read_reg(hw, FM10K_QBRC_H(i));
 317         buff[idx++] = fm10k_read_reg(hw, FM10K_TDBAL(i));
 318         buff[idx++] = fm10k_read_reg(hw, FM10K_TDBAH(i));
 319         buff[idx++] = fm10k_read_reg(hw, FM10K_TDLEN(i));
 320         buff[idx++] = fm10k_read_reg(hw, FM10K_TPH_TXCTRL(i));
 321         buff[idx++] = fm10k_read_reg(hw, FM10K_TDH(i));
 322         buff[idx++] = fm10k_read_reg(hw, FM10K_TDT(i));
 323         buff[idx++] = fm10k_read_reg(hw, FM10K_TXDCTL(i));
 324         buff[idx++] = fm10k_read_reg(hw, FM10K_TXQCTL(i));
 325         buff[idx++] = fm10k_read_reg(hw, FM10K_TXINT(i));
 326         buff[idx++] = fm10k_read_reg(hw, FM10K_QPTC(i));
 327         buff[idx++] = fm10k_read_reg(hw, FM10K_QBTC_L(i));
 328         buff[idx++] = fm10k_read_reg(hw, FM10K_QBTC_H(i));
 329         buff[idx++] = fm10k_read_reg(hw, FM10K_TQDLOC(i));
 330         buff[idx++] = fm10k_read_reg(hw, FM10K_TX_SGLORT(i));
 331         buff[idx++] = fm10k_read_reg(hw, FM10K_PFVTCTL(i));
 332
 333         BUG_ON(idx != FM10K_REGS_LEN_Q);
 334 }
 335
 336 /* If function above adds more registers this define needs to be updated */
 337 #define FM10K_REGS_LEN_VSI 43
 338
 339 static void fm10k_get_reg_vsi(struct fm10k_hw *hw, u32 *buff, int i)
 340 {
 341         int idx = 0, j;
 342
 343         buff[idx++] = fm10k_read_reg(hw, FM10K_MRQC(i));
 344         for (j = 0; j < 10; j++)
 345                 buff[idx++] = fm10k_read_reg(hw, FM10K_RSSRK(i, j));
 346         for (j = 0; j < 32; j++)
 347                 buff[idx++] = fm10k_read_reg(hw, FM10K_RETA(i, j));
 348
 349         BUG_ON(idx != FM10K_REGS_LEN_VSI);
 350 }
 351
 352 static void fm10k_get_regs(struct net_device *netdev,
 353                            struct ethtool_regs *regs, void *p)
 354 {
 355         struct fm10k_intfc *interface = netdev_priv(netdev);
 356         struct fm10k_hw *hw = &interface->hw;
 357         u32 *buff = p;
 358         u16 i;
 359
 360         regs->version = BIT(24) | (hw->revision_id << 16) | hw->device_id;
 361
 362         switch (hw->mac.type) {
 363         case fm10k_mac_pf:
 364                 /* General PF Registers */
 365                 *(buff++) = fm10k_read_reg(hw, FM10K_CTRL);
 366                 *(buff++) = fm10k_read_reg(hw, FM10K_CTRL_EXT);
 367                 *(buff++) = fm10k_read_reg(hw, FM10K_GCR);
 368                 *(buff++) = fm10k_read_reg(hw, FM10K_GCR_EXT);
 369
 370                 for (i = 0; i < 8; i++) {
 371                         *(buff++) = fm10k_read_reg(hw, FM10K_DGLORTMAP(i));
 372                         *(buff++) = fm10k_read_reg(hw, FM10K_DGLORTDEC(i));
 373                 }
 374
 375                 for (i = 0; i < 65; i++) {
 376                         fm10k_get_reg_vsi(hw, buff, i);
 377                         buff += FM10K_REGS_LEN_VSI;
 378                 }
 379
 380                 *(buff++) = fm10k_read_reg(hw, FM10K_DMA_CTRL);
 381                 *(buff++) = fm10k_read_reg(hw, FM10K_DMA_CTRL2);
 382
 383                 for (i = 0; i < FM10K_MAX_QUEUES_PF; i++) {
 384                         fm10k_get_reg_q(hw, buff, i);
 385                         buff += FM10K_REGS_LEN_Q;
 386                 }
 387
 388                 *(buff++) = fm10k_read_reg(hw, FM10K_TPH_CTRL);
 389
 390                 for (i = 0; i < 8; i++)
 391                         *(buff++) = fm10k_read_reg(hw, FM10K_INT_MAP(i));
 392
 393                 /* Interrupt Throttling Registers */
 394                 for (i = 0; i < 130; i++)
 395                         *(buff++) = fm10k_read_reg(hw, FM10K_ITR(i));
 396
 397                 break;
 398         case fm10k_mac_vf:
 399                 /* General VF registers */
 400                 *(buff++) = fm10k_read_reg(hw, FM10K_VFCTRL);
 401                 *(buff++) = fm10k_read_reg(hw, FM10K_VFINT_MAP);
 402                 *(buff++) = fm10k_read_reg(hw, FM10K_VFSYSTIME);
 403
 404                 /* Interrupt Throttling Registers */
 405                 for (i = 0; i < 8; i++)
 406                         *(buff++) = fm10k_read_reg(hw, FM10K_VFITR(i));
 407
 408                 fm10k_get_reg_vsi(hw, buff, 0);
 409                 buff += FM10K_REGS_LEN_VSI;
 410
 411                 for (i = 0; i < FM10K_MAX_QUEUES_POOL; i++) {
 412                         if (i < hw->mac.max_queues)
 413                                 fm10k_get_reg_q(hw, buff, i);
 414                         else
 415                                 memset(buff, 0, sizeof(u32) * FM10K_REGS_LEN_Q);
 416                         buff += FM10K_REGS_LEN_Q;
 417                 }
 418
 419                 break;
 420         default:
 421                 return;
 422         }
 423 }
 424
 425 /* If function above adds more registers these define need to be updated */
 426 #define FM10K_REGS_LEN_PF \
 427 (162 + (65 * FM10K_REGS_LEN_VSI) + (FM10K_MAX_QUEUES_PF * FM10K_REGS_LEN_Q))
 428 #define FM10K_REGS_LEN_VF \
 429 (11 + FM10K_REGS_LEN_VSI + (FM10K_MAX_QUEUES_POOL * FM10K_REGS_LEN_Q))
 430
 431 static int fm10k_get_regs_len(struct net_device *netdev)
 432 {
 433         struct fm10k_intfc *interface = netdev_priv(netdev);
 434         struct fm10k_hw *hw = &interface->hw;
 435
 436         switch (hw->mac.type) {
 437         case fm10k_mac_pf:
 438                 return FM10K_REGS_LEN_PF * sizeof(u32);
 439         case fm10k_mac_vf:
 440                 return FM10K_REGS_LEN_VF * sizeof(u32);
 441         default:
 442                 return 0;
 443         }
 444 }
 445
 446 static void fm10k_get_drvinfo(struct net_device *dev,
 447                               struct ethtool_drvinfo *info)
 448 {
 449         struct fm10k_intfc *interface = netdev_priv(dev);
 450
 451         strncpy(info->driver, fm10k_driver_name,
 452                 sizeof(info->driver) - 1);
 453         strncpy(info->version, fm10k_driver_version,
 454                 sizeof(info->version) - 1);
 455         strncpy(info->bus_info, pci_name(interface->pdev),
 456                 sizeof(info->bus_info) - 1);
 457 }
 458
 459 static void fm10k_get_pauseparam(struct net_device *dev,
 460                                  struct ethtool_pauseparam *pause)
 461 {
 462         struct fm10k_intfc *interface = netdev_priv(dev);
 463
 464         /* record fixed values for autoneg and tx pause */
 465         pause->autoneg = 0;
 466         pause->tx_pause = 1;
 467
 468         pause->rx_pause = interface->rx_pause ? 1 : 0;
 469 }
 470
 471 static int fm10k_set_pauseparam(struct net_device *dev,
 472                                 struct ethtool_pauseparam *pause)
 473 {
 474         struct fm10k_intfc *interface = netdev_priv(dev);
 475         struct fm10k_hw *hw = &interface->hw;
 476
 477         if (pause->autoneg || !pause->tx_pause)
 478                 return -EINVAL;
 479
 480         /* we can only support pause on the PF to avoid head-of-line blocking */
 481         if (hw->mac.type == fm10k_mac_pf)
 482                 interface->rx_pause = pause->rx_pause ? ~0 : 0;
 483         else if (pause->rx_pause)
 484                 return -EINVAL;
 485
 486         if (netif_running(dev))
 487                 fm10k_update_rx_drop_en(interface);
 488
 489         return 0;
 490 }
 491
 492 static u32 fm10k_get_msglevel(struct net_device *netdev)
 493 {
 494         struct fm10k_intfc *interface = netdev_priv(netdev);
 495
 496         return interface->msg_enable;
 497 }
 498
 499 static void fm10k_set_msglevel(struct net_device *netdev, u32 data)
 500 {
 501         struct fm10k_intfc *interface = netdev_priv(netdev);
 502
 503         interface->msg_enable = data;
 504 }
 505
 506 static void fm10k_get_ringparam(struct net_device *netdev,
 507                                 struct ethtool_ringparam *ring)
 508 {
 509         struct fm10k_intfc *interface = netdev_priv(netdev);
 510
 511         ring->rx_max_pending = FM10K_MAX_RXD;
 512         ring->tx_max_pending = FM10K_MAX_TXD;
 513         ring->rx_mini_max_pending = 0;
 514         ring->rx_jumbo_max_pending = 0;
 515         ring->rx_pending = interface->rx_ring_count;
 516         ring->tx_pending = interface->tx_ring_count;
 517         ring->rx_mini_pending = 0;
 518         ring->rx_jumbo_pending = 0;
 519 }
 520
 521 static int fm10k_set_ringparam(struct net_device *netdev,
 522                                struct ethtool_ringparam *ring)
 523 {
 524         struct fm10k_intfc *interface = netdev_priv(netdev);
 525         struct fm10k_ring *temp_ring;
 526         int i, err = 0;
 527         u32 new_rx_count, new_tx_count;
 528
 529         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 530                 return -EINVAL;
 531
 532         new_tx_count = clamp_t(u32, ring->tx_pending,
 533                                FM10K_MIN_TXD, FM10K_MAX_TXD);
 534         new_tx_count = ALIGN(new_tx_count, FM10K_REQ_TX_DESCRIPTOR_MULTIPLE);
 535
 536         new_rx_count = clamp_t(u32, ring->rx_pending,
 537                                FM10K_MIN_RXD, FM10K_MAX_RXD);
 538         new_rx_count = ALIGN(new_rx_count, FM10K_REQ_RX_DESCRIPTOR_MULTIPLE);
 539
 540         if ((new_tx_count == interface->tx_ring_count) &&
 541             (new_rx_count == interface->rx_ring_count)) {
 542                 /* nothing to do */
 543                 return 0;
 544         }
 545
 546         while (test_and_set_bit(__FM10K_RESETTING, interface->state))
 547                 usleep_range(1000, 2000);
 548
 549         if (!netif_running(interface->netdev)) {
 550                 for (i = 0; i < interface->num_tx_queues; i++)
 551                         interface->tx_ring[i]->count = new_tx_count;
 552                 for (i = 0; i < interface->num_rx_queues; i++)
 553                         interface->rx_ring[i]->count = new_rx_count;
 554                 interface->tx_ring_count = new_tx_count;
 555                 interface->rx_ring_count = new_rx_count;
 556                 goto clear_reset;
 557         }
 558
 559         /* allocate temporary buffer to store rings in */
 560         i = max_t(int, interface->num_tx_queues, interface->num_rx_queues);
 561         temp_ring = vmalloc(array_size(i, sizeof(struct fm10k_ring)));
 562
 563         if (!temp_ring) {
 564                 err = -ENOMEM;
 565                 goto clear_reset;
 566         }
 567
 568         fm10k_down(interface);
 569
 570         /* Setup new Tx resources and free the old Tx resources in that order.
 571          * We can then assign the new resources to the rings via a memcpy.
 572          * The advantage to this approach is that we are guaranteed to still
 573          * have resources even in the case of an allocation failure.
 574          */
 575         if (new_tx_count != interface->tx_ring_count) {
 576                 for (i = 0; i < interface->num_tx_queues; i++) {
 577                         memcpy(&temp_ring[i], interface->tx_ring[i],
 578                                sizeof(struct fm10k_ring));
 579
 580                         temp_ring[i].count = new_tx_count;
 581                         err = fm10k_setup_tx_resources(&temp_ring[i]);
 582                         if (err) {
 583                                 while (i) {
 584                                         i--;
 585                                         fm10k_free_tx_resources(&temp_ring[i]);
 586                                 }
 587                                 goto err_setup;
 588                         }
 589                 }
 590
 591                 for (i = 0; i < interface->num_tx_queues; i++) {
 592                         fm10k_free_tx_resources(interface->tx_ring[i]);
 593
 594                         memcpy(interface->tx_ring[i], &temp_ring[i],
 595                                sizeof(struct fm10k_ring));
 596                 }
 597
 598                 interface->tx_ring_count = new_tx_count;
 599         }
 600
 601         /* Repeat the process for the Rx rings if needed */
 602         if (new_rx_count != interface->rx_ring_count) {
 603                 for (i = 0; i < interface->num_rx_queues; i++) {
 604                         memcpy(&temp_ring[i], interface->rx_ring[i],
 605                                sizeof(struct fm10k_ring));
 606
 607                         temp_ring[i].count = new_rx_count;
 608                         err = fm10k_setup_rx_resources(&temp_ring[i]);
 609                         if (err) {
 610                                 while (i) {
 611                                         i--;
 612                                         fm10k_free_rx_resources(&temp_ring[i]);
 613                                 }
 614                                 goto err_setup;
 615                         }
 616                 }
 617
 618                 for (i = 0; i < interface->num_rx_queues; i++) {
 619                         fm10k_free_rx_resources(interface->rx_ring[i]);
 620
 621                         memcpy(interface->rx_ring[i], &temp_ring[i],
 622                                sizeof(struct fm10k_ring));
 623                 }
 624
 625                 interface->rx_ring_count = new_rx_count;
 626         }
 627
 628 err_setup:
 629         fm10k_up(interface);
 630         vfree(temp_ring);
 631 clear_reset:
 632         clear_bit(__FM10K_RESETTING, interface->state);
 633         return err;
 634 }
 635
 636 static int fm10k_get_coalesce(struct net_device *dev,
 637                               struct ethtool_coalesce *ec)
 638 {
 639         struct fm10k_intfc *interface = netdev_priv(dev);
 640
 641         ec->use_adaptive_tx_coalesce = ITR_IS_ADAPTIVE(interface->tx_itr);
 642         ec->tx_coalesce_usecs = interface->tx_itr & ~FM10K_ITR_ADAPTIVE;
 643
 644         ec->use_adaptive_rx_coalesce = ITR_IS_ADAPTIVE(interface->rx_itr);
 645         ec->rx_coalesce_usecs = interface->rx_itr & ~FM10K_ITR_ADAPTIVE;
 646
 647         return 0;
 648 }
 649
 650 static int fm10k_set_coalesce(struct net_device *dev,
 651                               struct ethtool_coalesce *ec)
 652 {
 653         struct fm10k_intfc *interface = netdev_priv(dev);
 654         struct fm10k_q_vector *qv;
 655         u16 tx_itr, rx_itr;
 656         int i;
 657
 658         /* verify limits */
 659         if ((ec->rx_coalesce_usecs > FM10K_ITR_MAX) ||
 660             (ec->tx_coalesce_usecs > FM10K_ITR_MAX))
 661                 return -EINVAL;
 662
 663         /* record settings */
 664         tx_itr = ec->tx_coalesce_usecs;
 665         rx_itr = ec->rx_coalesce_usecs;
 666
 667         /* set initial values for adaptive ITR */
 668         if (ec->use_adaptive_tx_coalesce)
 669                 tx_itr = FM10K_ITR_ADAPTIVE | FM10K_TX_ITR_DEFAULT;
 670
 671         if (ec->use_adaptive_rx_coalesce)
 672                 rx_itr = FM10K_ITR_ADAPTIVE | FM10K_RX_ITR_DEFAULT;
 673
 674         /* update interface */
 675         interface->tx_itr = tx_itr;
 676         interface->rx_itr = rx_itr;
 677
 678         /* update q_vectors */
 679         for (i = 0; i < interface->num_q_vectors; i++) {
 680                 qv = interface->q_vector[i];
 681                 qv->tx.itr = tx_itr;
 682                 qv->rx.itr = rx_itr;
 683         }
 684
 685         return 0;
 686 }
 687
 688 static int fm10k_get_rss_hash_opts(struct fm10k_intfc *interface,
 689                                    struct ethtool_rxnfc *cmd)
 690 {
 691         cmd->data = 0;
 692
 693         /* Report default options for RSS on fm10k */
 694         switch (cmd->flow_type) {
 695         case TCP_V4_FLOW:
 696         case TCP_V6_FLOW:
 697                 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
 698                 /* fall through */
 699         case UDP_V4_FLOW:
 700                 if (test_bit(FM10K_FLAG_RSS_FIELD_IPV4_UDP,
 701                              interface->flags))
 702                         cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
 703                 /* fall through */
 704         case SCTP_V4_FLOW:
 705         case SCTP_V6_FLOW:
 706         case AH_ESP_V4_FLOW:
 707         case AH_ESP_V6_FLOW:
 708         case AH_V4_FLOW:
 709         case AH_V6_FLOW:
 710         case ESP_V4_FLOW:
 711         case ESP_V6_FLOW:
 712         case IPV4_FLOW:
 713         case IPV6_FLOW:
 714                 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
 715                 break;
 716         case UDP_V6_FLOW:
 717                 if (test_bit(FM10K_FLAG_RSS_FIELD_IPV6_UDP,
 718                              interface->flags))
 719                         cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
 720                 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
 721                 break;
 722         default:
 723                 return -EINVAL;
 724         }
 725
 726         return 0;
 727 }
 728
 729 static int fm10k_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
 730                            u32 __always_unused *rule_locs)
 731 {
 732         struct fm10k_intfc *interface = netdev_priv(dev);
 733         int ret = -EOPNOTSUPP;
 734
 735         switch (cmd->cmd) {
 736         case ETHTOOL_GRXRINGS:
 737                 cmd->data = interface->num_rx_queues;
 738                 ret = 0;
 739                 break;
 740         case ETHTOOL_GRXFH:
 741                 ret = fm10k_get_rss_hash_opts(interface, cmd);
 742                 break;
 743         default:
 744                 break;
 745         }
 746
 747         return ret;
 748 }
 749
 750 static int fm10k_set_rss_hash_opt(struct fm10k_intfc *interface,
 751                                   struct ethtool_rxnfc *nfc)
 752 {
 753         int rss_ipv4_udp = test_bit(FM10K_FLAG_RSS_FIELD_IPV4_UDP,
 754                                     interface->flags);
 755         int rss_ipv6_udp = test_bit(FM10K_FLAG_RSS_FIELD_IPV6_UDP,
 756                                     interface->flags);
 757
 758         /* RSS does not support anything other than hashing
 759          * to queues on src and dst IPs and ports
 760          */
 761         if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
 762                           RXH_L4_B_0_1 | RXH_L4_B_2_3))
 763                 return -EINVAL;
 764
 765         switch (nfc->flow_type) {
 766         case TCP_V4_FLOW:
 767         case TCP_V6_FLOW:
 768                 if (!(nfc->data & RXH_IP_SRC) ||
 769                     !(nfc->data & RXH_IP_DST) ||
 770                     !(nfc->data & RXH_L4_B_0_1) ||
 771                     !(nfc->data & RXH_L4_B_2_3))
 772                         return -EINVAL;
 773                 break;
 774         case UDP_V4_FLOW:
 775                 if (!(nfc->data & RXH_IP_SRC) ||
 776                     !(nfc->data & RXH_IP_DST))
 777                         return -EINVAL;
 778                 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
 779                 case 0:
 780                         clear_bit(FM10K_FLAG_RSS_FIELD_IPV4_UDP,
 781                                   interface->flags);
 782                         break;
 783                 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
 784                         set_bit(FM10K_FLAG_RSS_FIELD_IPV4_UDP,
 785                                 interface->flags);
 786                         break;
 787                 default:
 788                         return -EINVAL;
 789                 }
 790                 break;
 791         case UDP_V6_FLOW:
 792                 if (!(nfc->data & RXH_IP_SRC) ||
 793                     !(nfc->data & RXH_IP_DST))
 794                         return -EINVAL;
 795                 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
 796                 case 0:
 797                         clear_bit(FM10K_FLAG_RSS_FIELD_IPV6_UDP,
 798                                   interface->flags);
 799                         break;
 800                 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
 801                         set_bit(FM10K_FLAG_RSS_FIELD_IPV6_UDP,
 802                                 interface->flags);
 803                         break;
 804                 default:
 805                         return -EINVAL;
 806                 }
 807                 break;
 808         case AH_ESP_V4_FLOW:
 809         case AH_V4_FLOW:
 810         case ESP_V4_FLOW:
 811         case SCTP_V4_FLOW:
 812         case AH_ESP_V6_FLOW:
 813         case AH_V6_FLOW:
 814         case ESP_V6_FLOW:
 815         case SCTP_V6_FLOW:
 816                 if (!(nfc->data & RXH_IP_SRC) ||
 817                     !(nfc->data & RXH_IP_DST) ||
 818                     (nfc->data & RXH_L4_B_0_1) ||
 819                     (nfc->data & RXH_L4_B_2_3))
 820                         return -EINVAL;
 821                 break;
 822         default:
 823                 return -EINVAL;
 824         }
 825
 826         /* If something changed we need to update the MRQC register. Note that
 827          * test_bit() is guaranteed to return strictly 0 or 1, so testing for
 828          * equality is safe.
 829          */
 830         if ((rss_ipv4_udp != test_bit(FM10K_FLAG_RSS_FIELD_IPV4_UDP,
 831                                       interface->flags)) ||
 832             (rss_ipv6_udp != test_bit(FM10K_FLAG_RSS_FIELD_IPV6_UDP,
 833                                       interface->flags))) {
 834                 struct fm10k_hw *hw = &interface->hw;
 835                 bool warn = false;
 836                 u32 mrqc;
 837
 838                 /* Perform hash on these packet types */
 839                 mrqc = FM10K_MRQC_IPV4 |
 840                        FM10K_MRQC_TCP_IPV4 |
 841                        FM10K_MRQC_IPV6 |
 842                        FM10K_MRQC_TCP_IPV6;
 843
 844                 if (test_bit(FM10K_FLAG_RSS_FIELD_IPV4_UDP,
 845                              interface->flags)) {
 846                         mrqc |= FM10K_MRQC_UDP_IPV4;
 847                         warn = true;
 848                 }
 849                 if (test_bit(FM10K_FLAG_RSS_FIELD_IPV6_UDP,
 850                              interface->flags)) {
 851                         mrqc |= FM10K_MRQC_UDP_IPV6;
 852                         warn = true;
 853                 }
 854
 855                 /* If we enable UDP RSS display a warning that this may cause
 856                  * fragmented UDP packets to arrive out of order.
 857                  */
 858                 if (warn)
 859                         netif_warn(interface, drv, interface->netdev,
 860                                    "enabling UDP RSS: fragmented packets may arrive out of order to the stack above\n");
 861
 862                 fm10k_write_reg(hw, FM10K_MRQC(0), mrqc);
 863         }
 864
 865         return 0;
 866 }
 867
 868 static int fm10k_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
 869 {
 870         struct fm10k_intfc *interface = netdev_priv(dev);
 871         int ret = -EOPNOTSUPP;
 872
 873         switch (cmd->cmd) {
 874         case ETHTOOL_SRXFH:
 875                 ret = fm10k_set_rss_hash_opt(interface, cmd);
 876                 break;
 877         default:
 878                 break;
 879         }
 880
 881         return ret;
 882 }
 883
 884 static int fm10k_mbx_test(struct fm10k_intfc *interface, u64 *data)
 885 {
 886         struct fm10k_hw *hw = &interface->hw;
 887         struct fm10k_mbx_info *mbx = &hw->mbx;
 888         u32 attr_flag, test_msg[6];
 889         unsigned long timeout;
 890         int err = -EINVAL;
 891
 892         /* For now this is a VF only feature */
 893         if (hw->mac.type != fm10k_mac_vf)
 894                 return 0;
 895
 896         /* loop through both nested and unnested attribute types */
 897         for (attr_flag = BIT(FM10K_TEST_MSG_UNSET);
 898              attr_flag < BIT(2 * FM10K_TEST_MSG_NESTED);
 899              attr_flag += attr_flag) {
 900                 /* generate message to be tested */
 901                 fm10k_tlv_msg_test_create(test_msg, attr_flag);
 902
 903                 fm10k_mbx_lock(interface);
 904                 mbx->test_result = FM10K_NOT_IMPLEMENTED;
 905                 err = mbx->ops.enqueue_tx(hw, mbx, test_msg);
 906                 fm10k_mbx_unlock(interface);
 907
 908                 /* wait up to 1 second for response */
 909                 timeout = jiffies + HZ;
 910                 do {
 911                         if (err < 0)
 912                                 goto err_out;
 913
 914                         usleep_range(500, 1000);
 915
 916                         fm10k_mbx_lock(interface);
 917                         mbx->ops.process(hw, mbx);
 918                         fm10k_mbx_unlock(interface);
 919
 920                         err = mbx->test_result;
 921                         if (!err)
 922                                 break;
 923                 } while (time_is_after_jiffies(timeout));
 924
 925                 /* reporting errors */
 926                 if (err)
 927                         goto err_out;
 928         }
 929
 930 err_out:
 931         *data = err < 0 ? (attr_flag) : (err > 0);
 932         return err;
 933 }
 934
 935 static void fm10k_self_test(struct net_device *dev,
 936                             struct ethtool_test *eth_test, u64 *data)
 937 {
 938         struct fm10k_intfc *interface = netdev_priv(dev);
 939         struct fm10k_hw *hw = &interface->hw;
 940
 941         memset(data, 0, sizeof(*data) * FM10K_TEST_LEN);
 942
 943         if (FM10K_REMOVED(hw->hw_addr)) {
 944                 netif_err(interface, drv, dev,
 945                           "Interface removed - test blocked\n");
 946                 eth_test->flags |= ETH_TEST_FL_FAILED;
 947                 return;
 948         }
 949
 950         if (fm10k_mbx_test(interface, &data[FM10K_TEST_MBX]))
 951                 eth_test->flags |= ETH_TEST_FL_FAILED;
 952 }
 953
 954 static u32 fm10k_get_priv_flags(struct net_device *netdev)
 955 {
 956         return 0;
 957 }
 958
 959 static int fm10k_set_priv_flags(struct net_device *netdev, u32 priv_flags)
 960 {
 961         if (priv_flags >= BIT(FM10K_PRV_FLAG_LEN))
 962                 return -EINVAL;
 963
 964         return 0;
 965 }
 966
 967 static u32 fm10k_get_reta_size(struct net_device __always_unused *netdev)
 968 {
 969         return FM10K_RETA_SIZE * FM10K_RETA_ENTRIES_PER_REG;
 970 }
 971
 972 void fm10k_write_reta(struct fm10k_intfc *interface, const u32 *indir)
 973 {
 974         u16 rss_i = interface->ring_feature[RING_F_RSS].indices;
 975         struct fm10k_hw *hw = &interface->hw;
 976         u32 table[4];
 977         int i, j;
 978
 979         /* record entries to reta table */
 980         for (i = 0; i < FM10K_RETA_SIZE; i++) {
 981                 u32 reta, n;
 982
 983                 /* generate a new table if we weren't given one */
 984                 for (j = 0; j < 4; j++) {
 985                         if (indir)
 986                                 n = indir[4 * i + j];
 987                         else
 988                                 n = ethtool_rxfh_indir_default(4 * i + j,
 989                                                                rss_i);
 990
 991                         table[j] = n;
 992                 }
 993
 994                 reta = table[0] |
 995                         (table[1] << 8) |
 996                         (table[2] << 16) |
 997                         (table[3] << 24);
 998
 999                 if (interface->reta[i] == reta)
1000                         continue;
1001
1002                 interface->reta[i] = reta;
1003                 fm10k_write_reg(hw, FM10K_RETA(0, i), reta);
1004         }
1005 }
1006
1007 static int fm10k_get_reta(struct net_device *netdev, u32 *indir)
1008 {
1009         struct fm10k_intfc *interface = netdev_priv(netdev);
1010         int i;
1011
1012         if (!indir)
1013                 return 0;
1014
1015         for (i = 0; i < FM10K_RETA_SIZE; i++, indir += 4) {
1016                 u32 reta = interface->reta[i];
1017
1018                 indir[0] = (reta << 24) >> 24;
1019                 indir[1] = (reta << 16) >> 24;
1020                 indir[2] = (reta <<  8) >> 24;
1021                 indir[3] = (reta) >> 24;
1022         }
1023
1024         return 0;
1025 }
1026
1027 static int fm10k_set_reta(struct net_device *netdev, const u32 *indir)
1028 {
1029         struct fm10k_intfc *interface = netdev_priv(netdev);
1030         int i;
1031         u16 rss_i;
1032
1033         if (!indir)
1034                 return 0;
1035
1036         /* Verify user input. */
1037         rss_i = interface->ring_feature[RING_F_RSS].indices;
1038         for (i = fm10k_get_reta_size(netdev); i--;) {
1039                 if (indir[i] < rss_i)
1040                         continue;
1041                 return -EINVAL;
1042         }
1043
1044         fm10k_write_reta(interface, indir);
1045
1046         return 0;
1047 }
1048
1049 static u32 fm10k_get_rssrk_size(struct net_device __always_unused *netdev)
1050 {
1051         return FM10K_RSSRK_SIZE * FM10K_RSSRK_ENTRIES_PER_REG;
1052 }
1053
1054 static int fm10k_get_rssh(struct net_device *netdev, u32 *indir, u8 *key,
1055                           u8 *hfunc)
1056 {
1057         struct fm10k_intfc *interface = netdev_priv(netdev);
1058         int i, err;
1059
1060         if (hfunc)
1061                 *hfunc = ETH_RSS_HASH_TOP;
1062
1063         err = fm10k_get_reta(netdev, indir);
1064         if (err || !key)
1065                 return err;
1066
1067         for (i = 0; i < FM10K_RSSRK_SIZE; i++, key += 4)
1068                 *(__le32 *)key = cpu_to_le32(interface->rssrk[i]);
1069
1070         return 0;
1071 }
1072
1073 static int fm10k_set_rssh(struct net_device *netdev, const u32 *indir,
1074                           const u8 *key, const u8 hfunc)
1075 {
1076         struct fm10k_intfc *interface = netdev_priv(netdev);
1077         struct fm10k_hw *hw = &interface->hw;
1078         int i, err;
1079
1080         /* We do not allow change in unsupported parameters */
1081         if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
1082                 return -EOPNOTSUPP;
1083
1084         err = fm10k_set_reta(netdev, indir);
1085         if (err || !key)
1086                 return err;
1087
1088         for (i = 0; i < FM10K_RSSRK_SIZE; i++, key += 4) {
1089                 u32 rssrk = le32_to_cpu(*(__le32 *)key);
1090
1091                 if (interface->rssrk[i] == rssrk)
1092                         continue;
1093
1094                 interface->rssrk[i] = rssrk;
1095                 fm10k_write_reg(hw, FM10K_RSSRK(0, i), rssrk);
1096         }
1097
1098         return 0;
1099 }
1100
1101 static unsigned int fm10k_max_channels(struct net_device *dev)
1102 {
1103         struct fm10k_intfc *interface = netdev_priv(dev);
1104         unsigned int max_combined = interface->hw.mac.max_queues;
1105         u8 tcs = netdev_get_num_tc(dev);
1106
1107         /* For QoS report channels per traffic class */
1108         if (tcs > 1)
1109                 max_combined = BIT((fls(max_combined / tcs) - 1));
1110
1111         return max_combined;
1112 }
1113
1114 static void fm10k_get_channels(struct net_device *dev,
1115                                struct ethtool_channels *ch)
1116 {
1117         struct fm10k_intfc *interface = netdev_priv(dev);
1118         struct fm10k_hw *hw = &interface->hw;
1119
1120         /* report maximum channels */
1121         ch->max_combined = fm10k_max_channels(dev);
1122
1123         /* report info for other vector */
1124         ch->max_other = NON_Q_VECTORS(hw);
1125         ch->other_count = ch->max_other;
1126
1127         /* record RSS queues */
1128         ch->combined_count = interface->ring_feature[RING_F_RSS].indices;
1129 }
1130
1131 static int fm10k_set_channels(struct net_device *dev,
1132                               struct ethtool_channels *ch)
1133 {
1134         struct fm10k_intfc *interface = netdev_priv(dev);
1135         unsigned int count = ch->combined_count;
1136         struct fm10k_hw *hw = &interface->hw;
1137
1138         /* verify they are not requesting separate vectors */
1139         if (!count || ch->rx_count || ch->tx_count)
1140                 return -EINVAL;
1141
1142         /* verify other_count has not changed */
1143         if (ch->other_count != NON_Q_VECTORS(hw))
1144                 return -EINVAL;
1145
1146         /* verify the number of channels does not exceed hardware limits */
1147         if (count > fm10k_max_channels(dev))
1148                 return -EINVAL;
1149
1150         interface->ring_feature[RING_F_RSS].limit = count;
1151
1152         /* use setup TC to update any traffic class queue mapping */
1153         return fm10k_setup_tc(dev, netdev_get_num_tc(dev));
1154 }
1155
1156 static const struct ethtool_ops fm10k_ethtool_ops = {
1157         .get_strings            = fm10k_get_strings,
1158         .get_sset_count         = fm10k_get_sset_count,
1159         .get_ethtool_stats      = fm10k_get_ethtool_stats,
1160         .get_drvinfo            = fm10k_get_drvinfo,
1161         .get_link               = ethtool_op_get_link,
1162         .get_pauseparam         = fm10k_get_pauseparam,
1163         .set_pauseparam         = fm10k_set_pauseparam,
1164         .get_msglevel           = fm10k_get_msglevel,
1165         .set_msglevel           = fm10k_set_msglevel,
1166         .get_ringparam          = fm10k_get_ringparam,
1167         .set_ringparam          = fm10k_set_ringparam,
1168         .get_coalesce           = fm10k_get_coalesce,
1169         .set_coalesce           = fm10k_set_coalesce,
1170         .get_rxnfc              = fm10k_get_rxnfc,
1171         .set_rxnfc              = fm10k_set_rxnfc,
1172         .get_regs               = fm10k_get_regs,
1173         .get_regs_len           = fm10k_get_regs_len,
1174         .self_test              = fm10k_self_test,
1175         .get_priv_flags         = fm10k_get_priv_flags,
1176         .set_priv_flags         = fm10k_set_priv_flags,
1177         .get_rxfh_indir_size    = fm10k_get_reta_size,
1178         .get_rxfh_key_size      = fm10k_get_rssrk_size,
1179         .get_rxfh               = fm10k_get_rssh,
1180         .set_rxfh               = fm10k_set_rssh,
1181         .get_channels           = fm10k_get_channels,
1182         .set_channels           = fm10k_set_channels,
1183         .get_ts_info            = ethtool_op_get_ts_info,
1184 };
1185
1186 void fm10k_set_ethtool_ops(struct net_device *dev)
1187 {
1188         dev->ethtool_ops = &fm10k_ethtool_ops;
1189 }