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                         *((*data)++) = 0;
 252                 }
 253         }
 254 }
 255
 256 #define fm10k_add_ethtool_stats(data, pointer, stats) \
 257         __fm10k_add_ethtool_stats(data, pointer, stats, ARRAY_SIZE(stats))
 258
 259 static void fm10k_get_ethtool_stats(struct net_device *netdev,
 260                                     struct ethtool_stats __always_unused *stats,
 261                                     u64 *data)
 262 {
 263         struct fm10k_intfc *interface = netdev_priv(netdev);
 264         struct net_device_stats *net_stats = &netdev->stats;
 265         int i;
 266
 267         fm10k_update_stats(interface);
 268
 269         fm10k_add_ethtool_stats(&data, net_stats, fm10k_gstrings_net_stats);
 270
 271         fm10k_add_ethtool_stats(&data, interface, fm10k_gstrings_global_stats);
 272
 273         fm10k_add_ethtool_stats(&data, &interface->hw.mbx,
 274                                 fm10k_gstrings_mbx_stats);
 275
 276         if (interface->hw.mac.type != fm10k_mac_vf) {
 277                 fm10k_add_ethtool_stats(&data, interface,
 278                                         fm10k_gstrings_pf_stats);
 279         }
 280
 281         for (i = 0; i < interface->hw.mac.max_queues; i++) {
 282                 struct fm10k_ring *ring;
 283
 284                 ring = interface->tx_ring[i];
 285                 fm10k_add_ethtool_stats(&data, ring,
 286                                         fm10k_gstrings_queue_stats);
 287
 288                 ring = interface->rx_ring[i];
 289                 fm10k_add_ethtool_stats(&data, ring,
 290                                         fm10k_gstrings_queue_stats);
 291         }
 292 }
 293
 294 /* If function below adds more registers this define needs to be updated */
 295 #define FM10K_REGS_LEN_Q 29
 296
 297 static void fm10k_get_reg_q(struct fm10k_hw *hw, u32 *buff, int i)
 298 {
 299         int idx = 0;
 300
 301         buff[idx++] = fm10k_read_reg(hw, FM10K_RDBAL(i));
 302         buff[idx++] = fm10k_read_reg(hw, FM10K_RDBAH(i));
 303         buff[idx++] = fm10k_read_reg(hw, FM10K_RDLEN(i));
 304         buff[idx++] = fm10k_read_reg(hw, FM10K_TPH_RXCTRL(i));
 305         buff[idx++] = fm10k_read_reg(hw, FM10K_RDH(i));
 306         buff[idx++] = fm10k_read_reg(hw, FM10K_RDT(i));
 307         buff[idx++] = fm10k_read_reg(hw, FM10K_RXQCTL(i));
 308         buff[idx++] = fm10k_read_reg(hw, FM10K_RXDCTL(i));
 309         buff[idx++] = fm10k_read_reg(hw, FM10K_RXINT(i));
 310         buff[idx++] = fm10k_read_reg(hw, FM10K_SRRCTL(i));
 311         buff[idx++] = fm10k_read_reg(hw, FM10K_QPRC(i));
 312         buff[idx++] = fm10k_read_reg(hw, FM10K_QPRDC(i));
 313         buff[idx++] = fm10k_read_reg(hw, FM10K_QBRC_L(i));
 314         buff[idx++] = fm10k_read_reg(hw, FM10K_QBRC_H(i));
 315         buff[idx++] = fm10k_read_reg(hw, FM10K_TDBAL(i));
 316         buff[idx++] = fm10k_read_reg(hw, FM10K_TDBAH(i));
 317         buff[idx++] = fm10k_read_reg(hw, FM10K_TDLEN(i));
 318         buff[idx++] = fm10k_read_reg(hw, FM10K_TPH_TXCTRL(i));
 319         buff[idx++] = fm10k_read_reg(hw, FM10K_TDH(i));
 320         buff[idx++] = fm10k_read_reg(hw, FM10K_TDT(i));
 321         buff[idx++] = fm10k_read_reg(hw, FM10K_TXDCTL(i));
 322         buff[idx++] = fm10k_read_reg(hw, FM10K_TXQCTL(i));
 323         buff[idx++] = fm10k_read_reg(hw, FM10K_TXINT(i));
 324         buff[idx++] = fm10k_read_reg(hw, FM10K_QPTC(i));
 325         buff[idx++] = fm10k_read_reg(hw, FM10K_QBTC_L(i));
 326         buff[idx++] = fm10k_read_reg(hw, FM10K_QBTC_H(i));
 327         buff[idx++] = fm10k_read_reg(hw, FM10K_TQDLOC(i));
 328         buff[idx++] = fm10k_read_reg(hw, FM10K_TX_SGLORT(i));
 329         buff[idx++] = fm10k_read_reg(hw, FM10K_PFVTCTL(i));
 330
 331         BUG_ON(idx != FM10K_REGS_LEN_Q);
 332 }
 333
 334 /* If function above adds more registers this define needs to be updated */
 335 #define FM10K_REGS_LEN_VSI 43
 336
 337 static void fm10k_get_reg_vsi(struct fm10k_hw *hw, u32 *buff, int i)
 338 {
 339         int idx = 0, j;
 340
 341         buff[idx++] = fm10k_read_reg(hw, FM10K_MRQC(i));
 342         for (j = 0; j < 10; j++)
 343                 buff[idx++] = fm10k_read_reg(hw, FM10K_RSSRK(i, j));
 344         for (j = 0; j < 32; j++)
 345                 buff[idx++] = fm10k_read_reg(hw, FM10K_RETA(i, j));
 346
 347         BUG_ON(idx != FM10K_REGS_LEN_VSI);
 348 }
 349
 350 static void fm10k_get_regs(struct net_device *netdev,
 351                            struct ethtool_regs *regs, void *p)
 352 {
 353         struct fm10k_intfc *interface = netdev_priv(netdev);
 354         struct fm10k_hw *hw = &interface->hw;
 355         u32 *buff = p;
 356         u16 i;
 357
 358         regs->version = BIT(24) | (hw->revision_id << 16) | hw->device_id;
 359
 360         switch (hw->mac.type) {
 361         case fm10k_mac_pf:
 362                 /* General PF Registers */
 363                 *(buff++) = fm10k_read_reg(hw, FM10K_CTRL);
 364                 *(buff++) = fm10k_read_reg(hw, FM10K_CTRL_EXT);
 365                 *(buff++) = fm10k_read_reg(hw, FM10K_GCR);
 366                 *(buff++) = fm10k_read_reg(hw, FM10K_GCR_EXT);
 367
 368                 for (i = 0; i < 8; i++) {
 369                         *(buff++) = fm10k_read_reg(hw, FM10K_DGLORTMAP(i));
 370                         *(buff++) = fm10k_read_reg(hw, FM10K_DGLORTDEC(i));
 371                 }
 372
 373                 for (i = 0; i < 65; i++) {
 374                         fm10k_get_reg_vsi(hw, buff, i);
 375                         buff += FM10K_REGS_LEN_VSI;
 376                 }
 377
 378                 *(buff++) = fm10k_read_reg(hw, FM10K_DMA_CTRL);
 379                 *(buff++) = fm10k_read_reg(hw, FM10K_DMA_CTRL2);
 380
 381                 for (i = 0; i < FM10K_MAX_QUEUES_PF; i++) {
 382                         fm10k_get_reg_q(hw, buff, i);
 383                         buff += FM10K_REGS_LEN_Q;
 384                 }
 385
 386                 *(buff++) = fm10k_read_reg(hw, FM10K_TPH_CTRL);
 387
 388                 for (i = 0; i < 8; i++)
 389                         *(buff++) = fm10k_read_reg(hw, FM10K_INT_MAP(i));
 390
 391                 /* Interrupt Throttling Registers */
 392                 for (i = 0; i < 130; i++)
 393                         *(buff++) = fm10k_read_reg(hw, FM10K_ITR(i));
 394
 395                 break;
 396         case fm10k_mac_vf:
 397                 /* General VF registers */
 398                 *(buff++) = fm10k_read_reg(hw, FM10K_VFCTRL);
 399                 *(buff++) = fm10k_read_reg(hw, FM10K_VFINT_MAP);
 400                 *(buff++) = fm10k_read_reg(hw, FM10K_VFSYSTIME);
 401
 402                 /* Interrupt Throttling Registers */
 403                 for (i = 0; i < 8; i++)
 404                         *(buff++) = fm10k_read_reg(hw, FM10K_VFITR(i));
 405
 406                 fm10k_get_reg_vsi(hw, buff, 0);
 407                 buff += FM10K_REGS_LEN_VSI;
 408
 409                 for (i = 0; i < FM10K_MAX_QUEUES_POOL; i++) {
 410                         if (i < hw->mac.max_queues)
 411                                 fm10k_get_reg_q(hw, buff, i);
 412                         else
 413                                 memset(buff, 0, sizeof(u32) * FM10K_REGS_LEN_Q);
 414                         buff += FM10K_REGS_LEN_Q;
 415                 }
 416
 417                 break;
 418         default:
 419                 return;
 420         }
 421 }
 422
 423 /* If function above adds more registers these define need to be updated */
 424 #define FM10K_REGS_LEN_PF \
 425 (162 + (65 * FM10K_REGS_LEN_VSI) + (FM10K_MAX_QUEUES_PF * FM10K_REGS_LEN_Q))
 426 #define FM10K_REGS_LEN_VF \
 427 (11 + FM10K_REGS_LEN_VSI + (FM10K_MAX_QUEUES_POOL * FM10K_REGS_LEN_Q))
 428
 429 static int fm10k_get_regs_len(struct net_device *netdev)
 430 {
 431         struct fm10k_intfc *interface = netdev_priv(netdev);
 432         struct fm10k_hw *hw = &interface->hw;
 433
 434         switch (hw->mac.type) {
 435         case fm10k_mac_pf:
 436                 return FM10K_REGS_LEN_PF * sizeof(u32);
 437         case fm10k_mac_vf:
 438                 return FM10K_REGS_LEN_VF * sizeof(u32);
 439         default:
 440                 return 0;
 441         }
 442 }
 443
 444 static void fm10k_get_drvinfo(struct net_device *dev,
 445                               struct ethtool_drvinfo *info)
 446 {
 447         struct fm10k_intfc *interface = netdev_priv(dev);
 448
 449         strncpy(info->driver, fm10k_driver_name,
 450                 sizeof(info->driver) - 1);
 451         strncpy(info->version, fm10k_driver_version,
 452                 sizeof(info->version) - 1);
 453         strncpy(info->bus_info, pci_name(interface->pdev),
 454                 sizeof(info->bus_info) - 1);
 455 }
 456
 457 static void fm10k_get_pauseparam(struct net_device *dev,
 458                                  struct ethtool_pauseparam *pause)
 459 {
 460         struct fm10k_intfc *interface = netdev_priv(dev);
 461
 462         /* record fixed values for autoneg and tx pause */
 463         pause->autoneg = 0;
 464         pause->tx_pause = 1;
 465
 466         pause->rx_pause = interface->rx_pause ? 1 : 0;
 467 }
 468
 469 static int fm10k_set_pauseparam(struct net_device *dev,
 470                                 struct ethtool_pauseparam *pause)
 471 {
 472         struct fm10k_intfc *interface = netdev_priv(dev);
 473         struct fm10k_hw *hw = &interface->hw;
 474
 475         if (pause->autoneg || !pause->tx_pause)
 476                 return -EINVAL;
 477
 478         /* we can only support pause on the PF to avoid head-of-line blocking */
 479         if (hw->mac.type == fm10k_mac_pf)
 480                 interface->rx_pause = pause->rx_pause ? ~0 : 0;
 481         else if (pause->rx_pause)
 482                 return -EINVAL;
 483
 484         if (netif_running(dev))
 485                 fm10k_update_rx_drop_en(interface);
 486
 487         return 0;
 488 }
 489
 490 static u32 fm10k_get_msglevel(struct net_device *netdev)
 491 {
 492         struct fm10k_intfc *interface = netdev_priv(netdev);
 493
 494         return interface->msg_enable;
 495 }
 496
 497 static void fm10k_set_msglevel(struct net_device *netdev, u32 data)
 498 {
 499         struct fm10k_intfc *interface = netdev_priv(netdev);
 500
 501         interface->msg_enable = data;
 502 }
 503
 504 static void fm10k_get_ringparam(struct net_device *netdev,
 505                                 struct ethtool_ringparam *ring)
 506 {
 507         struct fm10k_intfc *interface = netdev_priv(netdev);
 508
 509         ring->rx_max_pending = FM10K_MAX_RXD;
 510         ring->tx_max_pending = FM10K_MAX_TXD;
 511         ring->rx_mini_max_pending = 0;
 512         ring->rx_jumbo_max_pending = 0;
 513         ring->rx_pending = interface->rx_ring_count;
 514         ring->tx_pending = interface->tx_ring_count;
 515         ring->rx_mini_pending = 0;
 516         ring->rx_jumbo_pending = 0;
 517 }
 518
 519 static int fm10k_set_ringparam(struct net_device *netdev,
 520                                struct ethtool_ringparam *ring)
 521 {
 522         struct fm10k_intfc *interface = netdev_priv(netdev);
 523         struct fm10k_ring *temp_ring;
 524         int i, err = 0;
 525         u32 new_rx_count, new_tx_count;
 526
 527         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 528                 return -EINVAL;
 529
 530         new_tx_count = clamp_t(u32, ring->tx_pending,
 531                                FM10K_MIN_TXD, FM10K_MAX_TXD);
 532         new_tx_count = ALIGN(new_tx_count, FM10K_REQ_TX_DESCRIPTOR_MULTIPLE);
 533
 534         new_rx_count = clamp_t(u32, ring->rx_pending,
 535                                FM10K_MIN_RXD, FM10K_MAX_RXD);
 536         new_rx_count = ALIGN(new_rx_count, FM10K_REQ_RX_DESCRIPTOR_MULTIPLE);
 537
 538         if ((new_tx_count == interface->tx_ring_count) &&
 539             (new_rx_count == interface->rx_ring_count)) {
 540                 /* nothing to do */
 541                 return 0;
 542         }
 543
 544         while (test_and_set_bit(__FM10K_RESETTING, interface->state))
 545                 usleep_range(1000, 2000);
 546
 547         if (!netif_running(interface->netdev)) {
 548                 for (i = 0; i < interface->num_tx_queues; i++)
 549                         interface->tx_ring[i]->count = new_tx_count;
 550                 for (i = 0; i < interface->num_rx_queues; i++)
 551                         interface->rx_ring[i]->count = new_rx_count;
 552                 interface->tx_ring_count = new_tx_count;
 553                 interface->rx_ring_count = new_rx_count;
 554                 goto clear_reset;
 555         }
 556
 557         /* allocate temporary buffer to store rings in */
 558         i = max_t(int, interface->num_tx_queues, interface->num_rx_queues);
 559         temp_ring = vmalloc(i * sizeof(struct fm10k_ring));
 560
 561         if (!temp_ring) {
 562                 err = -ENOMEM;
 563                 goto clear_reset;
 564         }
 565
 566         fm10k_down(interface);
 567
 568         /* Setup new Tx resources and free the old Tx resources in that order.
 569          * We can then assign the new resources to the rings via a memcpy.
 570          * The advantage to this approach is that we are guaranteed to still
 571          * have resources even in the case of an allocation failure.
 572          */
 573         if (new_tx_count != interface->tx_ring_count) {
 574                 for (i = 0; i < interface->num_tx_queues; i++) {
 575                         memcpy(&temp_ring[i], interface->tx_ring[i],
 576                                sizeof(struct fm10k_ring));
 577
 578                         temp_ring[i].count = new_tx_count;
 579                         err = fm10k_setup_tx_resources(&temp_ring[i]);
 580                         if (err) {
 581                                 while (i) {
 582                                         i--;
 583                                         fm10k_free_tx_resources(&temp_ring[i]);
 584                                 }
 585                                 goto err_setup;
 586                         }
 587                 }
 588
 589                 for (i = 0; i < interface->num_tx_queues; i++) {
 590                         fm10k_free_tx_resources(interface->tx_ring[i]);
 591
 592                         memcpy(interface->tx_ring[i], &temp_ring[i],
 593                                sizeof(struct fm10k_ring));
 594                 }
 595
 596                 interface->tx_ring_count = new_tx_count;
 597         }
 598
 599         /* Repeat the process for the Rx rings if needed */
 600         if (new_rx_count != interface->rx_ring_count) {
 601                 for (i = 0; i < interface->num_rx_queues; i++) {
 602                         memcpy(&temp_ring[i], interface->rx_ring[i],
 603                                sizeof(struct fm10k_ring));
 604
 605                         temp_ring[i].count = new_rx_count;
 606                         err = fm10k_setup_rx_resources(&temp_ring[i]);
 607                         if (err) {
 608                                 while (i) {
 609                                         i--;
 610                                         fm10k_free_rx_resources(&temp_ring[i]);
 611                                 }
 612                                 goto err_setup;
 613                         }
 614                 }
 615
 616                 for (i = 0; i < interface->num_rx_queues; i++) {
 617                         fm10k_free_rx_resources(interface->rx_ring[i]);
 618
 619                         memcpy(interface->rx_ring[i], &temp_ring[i],
 620                                sizeof(struct fm10k_ring));
 621                 }
 622
 623                 interface->rx_ring_count = new_rx_count;
 624         }
 625
 626 err_setup:
 627         fm10k_up(interface);
 628         vfree(temp_ring);
 629 clear_reset:
 630         clear_bit(__FM10K_RESETTING, interface->state);
 631         return err;
 632 }
 633
 634 static int fm10k_get_coalesce(struct net_device *dev,
 635                               struct ethtool_coalesce *ec)
 636 {
 637         struct fm10k_intfc *interface = netdev_priv(dev);
 638
 639         ec->use_adaptive_tx_coalesce = ITR_IS_ADAPTIVE(interface->tx_itr);
 640         ec->tx_coalesce_usecs = interface->tx_itr & ~FM10K_ITR_ADAPTIVE;
 641
 642         ec->use_adaptive_rx_coalesce = ITR_IS_ADAPTIVE(interface->rx_itr);
 643         ec->rx_coalesce_usecs = interface->rx_itr & ~FM10K_ITR_ADAPTIVE;
 644
 645         return 0;
 646 }
 647
 648 static int fm10k_set_coalesce(struct net_device *dev,
 649                               struct ethtool_coalesce *ec)
 650 {
 651         struct fm10k_intfc *interface = netdev_priv(dev);
 652         struct fm10k_q_vector *qv;
 653         u16 tx_itr, rx_itr;
 654         int i;
 655
 656         /* verify limits */
 657         if ((ec->rx_coalesce_usecs > FM10K_ITR_MAX) ||
 658             (ec->tx_coalesce_usecs > FM10K_ITR_MAX))
 659                 return -EINVAL;
 660
 661         /* record settings */
 662         tx_itr = ec->tx_coalesce_usecs;
 663         rx_itr = ec->rx_coalesce_usecs;
 664
 665         /* set initial values for adaptive ITR */
 666         if (ec->use_adaptive_tx_coalesce)
 667                 tx_itr = FM10K_ITR_ADAPTIVE | FM10K_TX_ITR_DEFAULT;
 668
 669         if (ec->use_adaptive_rx_coalesce)
 670                 rx_itr = FM10K_ITR_ADAPTIVE | FM10K_RX_ITR_DEFAULT;
 671
 672         /* update interface */
 673         interface->tx_itr = tx_itr;
 674         interface->rx_itr = rx_itr;
 675
 676         /* update q_vectors */
 677         for (i = 0; i < interface->num_q_vectors; i++) {
 678                 qv = interface->q_vector[i];
 679                 qv->tx.itr = tx_itr;
 680                 qv->rx.itr = rx_itr;
 681         }
 682
 683         return 0;
 684 }
 685
 686 static int fm10k_get_rss_hash_opts(struct fm10k_intfc *interface,
 687                                    struct ethtool_rxnfc *cmd)
 688 {
 689         cmd->data = 0;
 690
 691         /* Report default options for RSS on fm10k */
 692         switch (cmd->flow_type) {
 693         case TCP_V4_FLOW:
 694         case TCP_V6_FLOW:
 695                 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
 696                 /* fall through */
 697         case UDP_V4_FLOW:
 698                 if (test_bit(FM10K_FLAG_RSS_FIELD_IPV4_UDP,
 699                              interface->flags))
 700                         cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
 701                 /* fall through */
 702         case SCTP_V4_FLOW:
 703         case SCTP_V6_FLOW:
 704         case AH_ESP_V4_FLOW:
 705         case AH_ESP_V6_FLOW:
 706         case AH_V4_FLOW:
 707         case AH_V6_FLOW:
 708         case ESP_V4_FLOW:
 709         case ESP_V6_FLOW:
 710         case IPV4_FLOW:
 711         case IPV6_FLOW:
 712                 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
 713                 break;
 714         case UDP_V6_FLOW:
 715                 if (test_bit(FM10K_FLAG_RSS_FIELD_IPV6_UDP,
 716                              interface->flags))
 717                         cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
 718                 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
 719                 break;
 720         default:
 721                 return -EINVAL;
 722         }
 723
 724         return 0;
 725 }
 726
 727 static int fm10k_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
 728                            u32 __always_unused *rule_locs)
 729 {
 730         struct fm10k_intfc *interface = netdev_priv(dev);
 731         int ret = -EOPNOTSUPP;
 732
 733         switch (cmd->cmd) {
 734         case ETHTOOL_GRXRINGS:
 735                 cmd->data = interface->num_rx_queues;
 736                 ret = 0;
 737                 break;
 738         case ETHTOOL_GRXFH:
 739                 ret = fm10k_get_rss_hash_opts(interface, cmd);
 740                 break;
 741         default:
 742                 break;
 743         }
 744
 745         return ret;
 746 }
 747
 748 static int fm10k_set_rss_hash_opt(struct fm10k_intfc *interface,
 749                                   struct ethtool_rxnfc *nfc)
 750 {
 751         int rss_ipv4_udp = test_bit(FM10K_FLAG_RSS_FIELD_IPV4_UDP,
 752                                     interface->flags);
 753         int rss_ipv6_udp = test_bit(FM10K_FLAG_RSS_FIELD_IPV6_UDP,
 754                                     interface->flags);
 755
 756         /* RSS does not support anything other than hashing
 757          * to queues on src and dst IPs and ports
 758          */
 759         if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
 760                           RXH_L4_B_0_1 | RXH_L4_B_2_3))
 761                 return -EINVAL;
 762
 763         switch (nfc->flow_type) {
 764         case TCP_V4_FLOW:
 765         case TCP_V6_FLOW:
 766                 if (!(nfc->data & RXH_IP_SRC) ||
 767                     !(nfc->data & RXH_IP_DST) ||
 768                     !(nfc->data & RXH_L4_B_0_1) ||
 769                     !(nfc->data & RXH_L4_B_2_3))
 770                         return -EINVAL;
 771                 break;
 772         case UDP_V4_FLOW:
 773                 if (!(nfc->data & RXH_IP_SRC) ||
 774                     !(nfc->data & RXH_IP_DST))
 775                         return -EINVAL;
 776                 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
 777                 case 0:
 778                         clear_bit(FM10K_FLAG_RSS_FIELD_IPV4_UDP,
 779                                   interface->flags);
 780                         break;
 781                 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
 782                         set_bit(FM10K_FLAG_RSS_FIELD_IPV4_UDP,
 783                                 interface->flags);
 784                         break;
 785                 default:
 786                         return -EINVAL;
 787                 }
 788                 break;
 789         case UDP_V6_FLOW:
 790                 if (!(nfc->data & RXH_IP_SRC) ||
 791                     !(nfc->data & RXH_IP_DST))
 792                         return -EINVAL;
 793                 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
 794                 case 0:
 795                         clear_bit(FM10K_FLAG_RSS_FIELD_IPV6_UDP,
 796                                   interface->flags);
 797                         break;
 798                 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
 799                         set_bit(FM10K_FLAG_RSS_FIELD_IPV6_UDP,
 800                                 interface->flags);
 801                         break;
 802                 default:
 803                         return -EINVAL;
 804                 }
 805                 break;
 806         case AH_ESP_V4_FLOW:
 807         case AH_V4_FLOW:
 808         case ESP_V4_FLOW:
 809         case SCTP_V4_FLOW:
 810         case AH_ESP_V6_FLOW:
 811         case AH_V6_FLOW:
 812         case ESP_V6_FLOW:
 813         case SCTP_V6_FLOW:
 814                 if (!(nfc->data & RXH_IP_SRC) ||
 815                     !(nfc->data & RXH_IP_DST) ||
 816                     (nfc->data & RXH_L4_B_0_1) ||
 817                     (nfc->data & RXH_L4_B_2_3))
 818                         return -EINVAL;
 819                 break;
 820         default:
 821                 return -EINVAL;
 822         }
 823
 824         /* If something changed we need to update the MRQC register. Note that
 825          * test_bit() is guaranteed to return strictly 0 or 1, so testing for
 826          * equality is safe.
 827          */
 828         if ((rss_ipv4_udp != test_bit(FM10K_FLAG_RSS_FIELD_IPV4_UDP,
 829                                       interface->flags)) ||
 830             (rss_ipv6_udp != test_bit(FM10K_FLAG_RSS_FIELD_IPV6_UDP,
 831                                       interface->flags))) {
 832                 struct fm10k_hw *hw = &interface->hw;
 833                 bool warn = false;
 834                 u32 mrqc;
 835
 836                 /* Perform hash on these packet types */
 837                 mrqc = FM10K_MRQC_IPV4 |
 838                        FM10K_MRQC_TCP_IPV4 |
 839                        FM10K_MRQC_IPV6 |
 840                        FM10K_MRQC_TCP_IPV6;
 841
 842                 if (test_bit(FM10K_FLAG_RSS_FIELD_IPV4_UDP,
 843                              interface->flags)) {
 844                         mrqc |= FM10K_MRQC_UDP_IPV4;
 845                         warn = true;
 846                 }
 847                 if (test_bit(FM10K_FLAG_RSS_FIELD_IPV6_UDP,
 848                              interface->flags)) {
 849                         mrqc |= FM10K_MRQC_UDP_IPV6;
 850                         warn = true;
 851                 }
 852
 853                 /* If we enable UDP RSS display a warning that this may cause
 854                  * fragmented UDP packets to arrive out of order.
 855                  */
 856                 if (warn)
 857                         netif_warn(interface, drv, interface->netdev,
 858                                    "enabling UDP RSS: fragmented packets may arrive out of order to the stack above\n");
 859
 860                 fm10k_write_reg(hw, FM10K_MRQC(0), mrqc);
 861         }
 862
 863         return 0;
 864 }
 865
 866 static int fm10k_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
 867 {
 868         struct fm10k_intfc *interface = netdev_priv(dev);
 869         int ret = -EOPNOTSUPP;
 870
 871         switch (cmd->cmd) {
 872         case ETHTOOL_SRXFH:
 873                 ret = fm10k_set_rss_hash_opt(interface, cmd);
 874                 break;
 875         default:
 876                 break;
 877         }
 878
 879         return ret;
 880 }
 881
 882 static int fm10k_mbx_test(struct fm10k_intfc *interface, u64 *data)
 883 {
 884         struct fm10k_hw *hw = &interface->hw;
 885         struct fm10k_mbx_info *mbx = &hw->mbx;
 886         u32 attr_flag, test_msg[6];
 887         unsigned long timeout;
 888         int err = -EINVAL;
 889
 890         /* For now this is a VF only feature */
 891         if (hw->mac.type != fm10k_mac_vf)
 892                 return 0;
 893
 894         /* loop through both nested and unnested attribute types */
 895         for (attr_flag = BIT(FM10K_TEST_MSG_UNSET);
 896              attr_flag < BIT(2 * FM10K_TEST_MSG_NESTED);
 897              attr_flag += attr_flag) {
 898                 /* generate message to be tested */
 899                 fm10k_tlv_msg_test_create(test_msg, attr_flag);
 900
 901                 fm10k_mbx_lock(interface);
 902                 mbx->test_result = FM10K_NOT_IMPLEMENTED;
 903                 err = mbx->ops.enqueue_tx(hw, mbx, test_msg);
 904                 fm10k_mbx_unlock(interface);
 905
 906                 /* wait up to 1 second for response */
 907                 timeout = jiffies + HZ;
 908                 do {
 909                         if (err < 0)
 910                                 goto err_out;
 911
 912                         usleep_range(500, 1000);
 913
 914                         fm10k_mbx_lock(interface);
 915                         mbx->ops.process(hw, mbx);
 916                         fm10k_mbx_unlock(interface);
 917
 918                         err = mbx->test_result;
 919                         if (!err)
 920                                 break;
 921                 } while (time_is_after_jiffies(timeout));
 922
 923                 /* reporting errors */
 924                 if (err)
 925                         goto err_out;
 926         }
 927
 928 err_out:
 929         *data = err < 0 ? (attr_flag) : (err > 0);
 930         return err;
 931 }
 932
 933 static void fm10k_self_test(struct net_device *dev,
 934                             struct ethtool_test *eth_test, u64 *data)
 935 {
 936         struct fm10k_intfc *interface = netdev_priv(dev);
 937         struct fm10k_hw *hw = &interface->hw;
 938
 939         memset(data, 0, sizeof(*data) * FM10K_TEST_LEN);
 940
 941         if (FM10K_REMOVED(hw->hw_addr)) {
 942                 netif_err(interface, drv, dev,
 943                           "Interface removed - test blocked\n");
 944                 eth_test->flags |= ETH_TEST_FL_FAILED;
 945                 return;
 946         }
 947
 948         if (fm10k_mbx_test(interface, &data[FM10K_TEST_MBX]))
 949                 eth_test->flags |= ETH_TEST_FL_FAILED;
 950 }
 951
 952 static u32 fm10k_get_priv_flags(struct net_device *netdev)
 953 {
 954         return 0;
 955 }
 956
 957 static int fm10k_set_priv_flags(struct net_device *netdev, u32 priv_flags)
 958 {
 959         if (priv_flags >= BIT(FM10K_PRV_FLAG_LEN))
 960                 return -EINVAL;
 961
 962         return 0;
 963 }
 964
 965 static u32 fm10k_get_reta_size(struct net_device __always_unused *netdev)
 966 {
 967         return FM10K_RETA_SIZE * FM10K_RETA_ENTRIES_PER_REG;
 968 }
 969
 970 void fm10k_write_reta(struct fm10k_intfc *interface, const u32 *indir)
 971 {
 972         u16 rss_i = interface->ring_feature[RING_F_RSS].indices;
 973         struct fm10k_hw *hw = &interface->hw;
 974         u32 table[4];
 975         int i, j;
 976
 977         /* record entries to reta table */
 978         for (i = 0; i < FM10K_RETA_SIZE; i++) {
 979                 u32 reta, n;
 980
 981                 /* generate a new table if we weren't given one */
 982                 for (j = 0; j < 4; j++) {
 983                         if (indir)
 984                                 n = indir[4 * i + j];
 985                         else
 986                                 n = ethtool_rxfh_indir_default(4 * i + j,
 987                                                                rss_i);
 988
 989                         table[j] = n;
 990                 }
 991
 992                 reta = table[0] |
 993                         (table[1] << 8) |
 994                         (table[2] << 16) |
 995                         (table[3] << 24);
 996
 997                 if (interface->reta[i] == reta)
 998                         continue;
 999
1000                 interface->reta[i] = reta;
1001                 fm10k_write_reg(hw, FM10K_RETA(0, i), reta);
1002         }
1003 }
1004
1005 static int fm10k_get_reta(struct net_device *netdev, u32 *indir)
1006 {
1007         struct fm10k_intfc *interface = netdev_priv(netdev);
1008         int i;
1009
1010         if (!indir)
1011                 return 0;
1012
1013         for (i = 0; i < FM10K_RETA_SIZE; i++, indir += 4) {
1014                 u32 reta = interface->reta[i];
1015
1016                 indir[0] = (reta << 24) >> 24;
1017                 indir[1] = (reta << 16) >> 24;
1018                 indir[2] = (reta <<  8) >> 24;
1019                 indir[3] = (reta) >> 24;
1020         }
1021
1022         return 0;
1023 }
1024
1025 static int fm10k_set_reta(struct net_device *netdev, const u32 *indir)
1026 {
1027         struct fm10k_intfc *interface = netdev_priv(netdev);
1028         int i;
1029         u16 rss_i;
1030
1031         if (!indir)
1032                 return 0;
1033
1034         /* Verify user input. */
1035         rss_i = interface->ring_feature[RING_F_RSS].indices;
1036         for (i = fm10k_get_reta_size(netdev); i--;) {
1037                 if (indir[i] < rss_i)
1038                         continue;
1039                 return -EINVAL;
1040         }
1041
1042         fm10k_write_reta(interface, indir);
1043
1044         return 0;
1045 }
1046
1047 static u32 fm10k_get_rssrk_size(struct net_device __always_unused *netdev)
1048 {
1049         return FM10K_RSSRK_SIZE * FM10K_RSSRK_ENTRIES_PER_REG;
1050 }
1051
1052 static int fm10k_get_rssh(struct net_device *netdev, u32 *indir, u8 *key,
1053                           u8 *hfunc)
1054 {
1055         struct fm10k_intfc *interface = netdev_priv(netdev);
1056         int i, err;
1057
1058         if (hfunc)
1059                 *hfunc = ETH_RSS_HASH_TOP;
1060
1061         err = fm10k_get_reta(netdev, indir);
1062         if (err || !key)
1063                 return err;
1064
1065         for (i = 0; i < FM10K_RSSRK_SIZE; i++, key += 4)
1066                 *(__le32 *)key = cpu_to_le32(interface->rssrk[i]);
1067
1068         return 0;
1069 }
1070
1071 static int fm10k_set_rssh(struct net_device *netdev, const u32 *indir,
1072                           const u8 *key, const u8 hfunc)
1073 {
1074         struct fm10k_intfc *interface = netdev_priv(netdev);
1075         struct fm10k_hw *hw = &interface->hw;
1076         int i, err;
1077
1078         /* We do not allow change in unsupported parameters */
1079         if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
1080                 return -EOPNOTSUPP;
1081
1082         err = fm10k_set_reta(netdev, indir);
1083         if (err || !key)
1084                 return err;
1085
1086         for (i = 0; i < FM10K_RSSRK_SIZE; i++, key += 4) {
1087                 u32 rssrk = le32_to_cpu(*(__le32 *)key);
1088
1089                 if (interface->rssrk[i] == rssrk)
1090                         continue;
1091
1092                 interface->rssrk[i] = rssrk;
1093                 fm10k_write_reg(hw, FM10K_RSSRK(0, i), rssrk);
1094         }
1095
1096         return 0;
1097 }
1098
1099 static unsigned int fm10k_max_channels(struct net_device *dev)
1100 {
1101         struct fm10k_intfc *interface = netdev_priv(dev);
1102         unsigned int max_combined = interface->hw.mac.max_queues;
1103         u8 tcs = netdev_get_num_tc(dev);
1104
1105         /* For QoS report channels per traffic class */
1106         if (tcs > 1)
1107                 max_combined = BIT((fls(max_combined / tcs) - 1));
1108
1109         return max_combined;
1110 }
1111
1112 static void fm10k_get_channels(struct net_device *dev,
1113                                struct ethtool_channels *ch)
1114 {
1115         struct fm10k_intfc *interface = netdev_priv(dev);
1116         struct fm10k_hw *hw = &interface->hw;
1117
1118         /* report maximum channels */
1119         ch->max_combined = fm10k_max_channels(dev);
1120
1121         /* report info for other vector */
1122         ch->max_other = NON_Q_VECTORS(hw);
1123         ch->other_count = ch->max_other;
1124
1125         /* record RSS queues */
1126         ch->combined_count = interface->ring_feature[RING_F_RSS].indices;
1127 }
1128
1129 static int fm10k_set_channels(struct net_device *dev,
1130                               struct ethtool_channels *ch)
1131 {
1132         struct fm10k_intfc *interface = netdev_priv(dev);
1133         unsigned int count = ch->combined_count;
1134         struct fm10k_hw *hw = &interface->hw;
1135
1136         /* verify they are not requesting separate vectors */
1137         if (!count || ch->rx_count || ch->tx_count)
1138                 return -EINVAL;
1139
1140         /* verify other_count has not changed */
1141         if (ch->other_count != NON_Q_VECTORS(hw))
1142                 return -EINVAL;
1143
1144         /* verify the number of channels does not exceed hardware limits */
1145         if (count > fm10k_max_channels(dev))
1146                 return -EINVAL;
1147
1148         interface->ring_feature[RING_F_RSS].limit = count;
1149
1150         /* use setup TC to update any traffic class queue mapping */
1151         return fm10k_setup_tc(dev, netdev_get_num_tc(dev));
1152 }
1153
1154 static const struct ethtool_ops fm10k_ethtool_ops = {
1155         .get_strings            = fm10k_get_strings,
1156         .get_sset_count         = fm10k_get_sset_count,
1157         .get_ethtool_stats      = fm10k_get_ethtool_stats,
1158         .get_drvinfo            = fm10k_get_drvinfo,
1159         .get_link               = ethtool_op_get_link,
1160         .get_pauseparam         = fm10k_get_pauseparam,
1161         .set_pauseparam         = fm10k_set_pauseparam,
1162         .get_msglevel           = fm10k_get_msglevel,
1163         .set_msglevel           = fm10k_set_msglevel,
1164         .get_ringparam          = fm10k_get_ringparam,
1165         .set_ringparam          = fm10k_set_ringparam,
1166         .get_coalesce           = fm10k_get_coalesce,
1167         .set_coalesce           = fm10k_set_coalesce,
1168         .get_rxnfc              = fm10k_get_rxnfc,
1169         .set_rxnfc              = fm10k_set_rxnfc,
1170         .get_regs               = fm10k_get_regs,
1171         .get_regs_len           = fm10k_get_regs_len,
1172         .self_test              = fm10k_self_test,
1173         .get_priv_flags         = fm10k_get_priv_flags,
1174         .set_priv_flags         = fm10k_set_priv_flags,
1175         .get_rxfh_indir_size    = fm10k_get_reta_size,
1176         .get_rxfh_key_size      = fm10k_get_rssrk_size,
1177         .get_rxfh               = fm10k_get_rssh,
1178         .set_rxfh               = fm10k_set_rssh,
1179         .get_channels           = fm10k_get_channels,
1180         .set_channels           = fm10k_set_channels,
1181         .get_ts_info            = ethtool_op_get_ts_info,
1182 };
1183
1184 void fm10k_set_ethtool_ops(struct net_device *dev)
1185 {
1186         dev->ethtool_ops = &fm10k_ethtool_ops;
1187 }