drivers/net/ethernet/mellanox/mlx4/en_ethtool.c

   1 /*
   2  * Copyright (c) 2007 Mellanox Technologies. All rights reserved.
   3  *
   4  * This software is available to you under a choice of one of two
   5  * licenses.  You may choose to be licensed under the terms of the GNU
   6  * General Public License (GPL) Version 2, available from the file
   7  * COPYING in the main directory of this source tree, or the
   8  * OpenIB.org BSD license below:
   9  *
  10  *     Redistribution and use in source and binary forms, with or
  11  *     without modification, are permitted provided that the following
  12  *     conditions are met:
  13  *
  14  *      - Redistributions of source code must retain the above
  15  *        copyright notice, this list of conditions and the following
  16  *        disclaimer.
  17  *
  18  *      - Redistributions in binary form must reproduce the above
  19  *        copyright notice, this list of conditions and the following
  20  *        disclaimer in the documentation and/or other materials
  21  *        provided with the distribution.
  22  *
  23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  30  * SOFTWARE.
  31  *
  32  */
  33
  34 #include <linux/kernel.h>
  35 #include <linux/ethtool.h>
  36 #include <linux/netdevice.h>
  37 #include <linux/mlx4/driver.h>
  38 #include <linux/mlx4/device.h>
  39 #include <linux/in.h>
  40 #include <net/ip.h>
  41
  42 #include "mlx4_en.h"
  43 #include "en_port.h"
  44
  45 #define EN_ETHTOOL_QP_ATTACH (1ull << 63)
  46 #define EN_ETHTOOL_SHORT_MASK cpu_to_be16(0xffff)
  47 #define EN_ETHTOOL_WORD_MASK  cpu_to_be32(0xffffffff)
  48
  49 static int mlx4_en_moderation_update(struct mlx4_en_priv *priv)
  50 {
  51         int i;
  52         int err = 0;
  53
  54         for (i = 0; i < priv->tx_ring_num; i++) {
  55                 priv->tx_cq[i]->moder_cnt = priv->tx_frames;
  56                 priv->tx_cq[i]->moder_time = priv->tx_usecs;
  57                 if (priv->port_up) {
  58                         err = mlx4_en_set_cq_moder(priv, priv->tx_cq[i]);
  59                         if (err)
  60                                 return err;
  61                 }
  62         }
  63
  64         if (priv->adaptive_rx_coal)
  65                 return 0;
  66
  67         for (i = 0; i < priv->rx_ring_num; i++) {
  68                 priv->rx_cq[i]->moder_cnt = priv->rx_frames;
  69                 priv->rx_cq[i]->moder_time = priv->rx_usecs;
  70                 priv->last_moder_time[i] = MLX4_EN_AUTO_CONF;
  71                 if (priv->port_up) {
  72                         err = mlx4_en_set_cq_moder(priv, priv->rx_cq[i]);
  73                         if (err)
  74                                 return err;
  75                 }
  76         }
  77
  78         return err;
  79 }
  80
  81 static void
  82 mlx4_en_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo)
  83 {
  84         struct mlx4_en_priv *priv = netdev_priv(dev);
  85         struct mlx4_en_dev *mdev = priv->mdev;
  86
  87         strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
  88         strlcpy(drvinfo->version, DRV_VERSION " (" DRV_RELDATE ")",
  89                 sizeof(drvinfo->version));
  90         snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
  91                 "%d.%d.%d",
  92                 (u16) (mdev->dev->caps.fw_ver >> 32),
  93                 (u16) ((mdev->dev->caps.fw_ver >> 16) & 0xffff),
  94                 (u16) (mdev->dev->caps.fw_ver & 0xffff));
  95         strlcpy(drvinfo->bus_info, pci_name(mdev->dev->pdev),
  96                 sizeof(drvinfo->bus_info));
  97         drvinfo->n_stats = 0;
  98         drvinfo->regdump_len = 0;
  99         drvinfo->eedump_len = 0;
 100 }
 101
 102 static const char mlx4_en_priv_flags[][ETH_GSTRING_LEN] = {
 103         "blueflame",
 104 };
 105
 106 static const char main_strings[][ETH_GSTRING_LEN] = {
 107         "rx_packets", "tx_packets", "rx_bytes", "tx_bytes", "rx_errors",
 108         "tx_errors", "rx_dropped", "tx_dropped", "multicast", "collisions",
 109         "rx_length_errors", "rx_over_errors", "rx_crc_errors",
 110         "rx_frame_errors", "rx_fifo_errors", "rx_missed_errors",
 111         "tx_aborted_errors", "tx_carrier_errors", "tx_fifo_errors",
 112         "tx_heartbeat_errors", "tx_window_errors",
 113
 114         /* port statistics */
 115         "tso_packets",
 116         "xmit_more",
 117         "queue_stopped", "wake_queue", "tx_timeout", "rx_alloc_failed",
 118         "rx_csum_good", "rx_csum_none", "tx_chksum_offload",
 119
 120         /* packet statistics */
 121         "broadcast", "rx_prio_0", "rx_prio_1", "rx_prio_2", "rx_prio_3",
 122         "rx_prio_4", "rx_prio_5", "rx_prio_6", "rx_prio_7", "tx_prio_0",
 123         "tx_prio_1", "tx_prio_2", "tx_prio_3", "tx_prio_4", "tx_prio_5",
 124         "tx_prio_6", "tx_prio_7",
 125 };
 126 #define NUM_MAIN_STATS  21
 127 #define NUM_ALL_STATS   (NUM_MAIN_STATS + NUM_PORT_STATS + NUM_PKT_STATS + NUM_PERF_STATS)
 128
 129 static const char mlx4_en_test_names[][ETH_GSTRING_LEN]= {
 130         "Interrupt Test",
 131         "Link Test",
 132         "Speed Test",
 133         "Register Test",
 134         "Loopback Test",
 135 };
 136
 137 static u32 mlx4_en_get_msglevel(struct net_device *dev)
 138 {
 139         return ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable;
 140 }
 141
 142 static void mlx4_en_set_msglevel(struct net_device *dev, u32 val)
 143 {
 144         ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable = val;
 145 }
 146
 147 static void mlx4_en_get_wol(struct net_device *netdev,
 148                             struct ethtool_wolinfo *wol)
 149 {
 150         struct mlx4_en_priv *priv = netdev_priv(netdev);
 151         int err = 0;
 152         u64 config = 0;
 153         u64 mask;
 154
 155         if ((priv->port < 1) || (priv->port > 2)) {
 156                 en_err(priv, "Failed to get WoL information\n");
 157                 return;
 158         }
 159
 160         mask = (priv->port == 1) ? MLX4_DEV_CAP_FLAG_WOL_PORT1 :
 161                 MLX4_DEV_CAP_FLAG_WOL_PORT2;
 162
 163         if (!(priv->mdev->dev->caps.flags & mask)) {
 164                 wol->supported = 0;
 165                 wol->wolopts = 0;
 166                 return;
 167         }
 168
 169         err = mlx4_wol_read(priv->mdev->dev, &config, priv->port);
 170         if (err) {
 171                 en_err(priv, "Failed to get WoL information\n");
 172                 return;
 173         }
 174
 175         if (config & MLX4_EN_WOL_MAGIC)
 176                 wol->supported = WAKE_MAGIC;
 177         else
 178                 wol->supported = 0;
 179
 180         if (config & MLX4_EN_WOL_ENABLED)
 181                 wol->wolopts = WAKE_MAGIC;
 182         else
 183                 wol->wolopts = 0;
 184 }
 185
 186 static int mlx4_en_set_wol(struct net_device *netdev,
 187                             struct ethtool_wolinfo *wol)
 188 {
 189         struct mlx4_en_priv *priv = netdev_priv(netdev);
 190         u64 config = 0;
 191         int err = 0;
 192         u64 mask;
 193
 194         if ((priv->port < 1) || (priv->port > 2))
 195                 return -EOPNOTSUPP;
 196
 197         mask = (priv->port == 1) ? MLX4_DEV_CAP_FLAG_WOL_PORT1 :
 198                 MLX4_DEV_CAP_FLAG_WOL_PORT2;
 199
 200         if (!(priv->mdev->dev->caps.flags & mask))
 201                 return -EOPNOTSUPP;
 202
 203         if (wol->supported & ~WAKE_MAGIC)
 204                 return -EINVAL;
 205
 206         err = mlx4_wol_read(priv->mdev->dev, &config, priv->port);
 207         if (err) {
 208                 en_err(priv, "Failed to get WoL info, unable to modify\n");
 209                 return err;
 210         }
 211
 212         if (wol->wolopts & WAKE_MAGIC) {
 213                 config |= MLX4_EN_WOL_DO_MODIFY | MLX4_EN_WOL_ENABLED |
 214                                 MLX4_EN_WOL_MAGIC;
 215         } else {
 216                 config &= ~(MLX4_EN_WOL_ENABLED | MLX4_EN_WOL_MAGIC);
 217                 config |= MLX4_EN_WOL_DO_MODIFY;
 218         }
 219
 220         err = mlx4_wol_write(priv->mdev->dev, config, priv->port);
 221         if (err)
 222                 en_err(priv, "Failed to set WoL information\n");
 223
 224         return err;
 225 }
 226
 227 static int mlx4_en_get_sset_count(struct net_device *dev, int sset)
 228 {
 229         struct mlx4_en_priv *priv = netdev_priv(dev);
 230         int bit_count = hweight64(priv->stats_bitmap);
 231
 232         switch (sset) {
 233         case ETH_SS_STATS:
 234                 return (priv->stats_bitmap ? bit_count : NUM_ALL_STATS) +
 235                         (priv->tx_ring_num * 2) +
 236 #ifdef CONFIG_NET_RX_BUSY_POLL
 237                         (priv->rx_ring_num * 5);
 238 #else
 239                         (priv->rx_ring_num * 2);
 240 #endif
 241         case ETH_SS_TEST:
 242                 return MLX4_EN_NUM_SELF_TEST - !(priv->mdev->dev->caps.flags
 243                                         & MLX4_DEV_CAP_FLAG_UC_LOOPBACK) * 2;
 244         case ETH_SS_PRIV_FLAGS:
 245                 return ARRAY_SIZE(mlx4_en_priv_flags);
 246         default:
 247                 return -EOPNOTSUPP;
 248         }
 249 }
 250
 251 static void mlx4_en_get_ethtool_stats(struct net_device *dev,
 252                 struct ethtool_stats *stats, uint64_t *data)
 253 {
 254         struct mlx4_en_priv *priv = netdev_priv(dev);
 255         int index = 0;
 256         int i, j = 0;
 257
 258         spin_lock_bh(&priv->stats_lock);
 259
 260         if (!(priv->stats_bitmap)) {
 261                 for (i = 0; i < NUM_MAIN_STATS; i++)
 262                         data[index++] =
 263                                 ((unsigned long *) &priv->stats)[i];
 264                 for (i = 0; i < NUM_PORT_STATS; i++)
 265                         data[index++] =
 266                                 ((unsigned long *) &priv->port_stats)[i];
 267                 for (i = 0; i < NUM_PKT_STATS; i++)
 268                         data[index++] =
 269                                 ((unsigned long *) &priv->pkstats)[i];
 270         } else {
 271                 for (i = 0; i < NUM_MAIN_STATS; i++) {
 272                         if ((priv->stats_bitmap >> j) & 1)
 273                                 data[index++] =
 274                                 ((unsigned long *) &priv->stats)[i];
 275                         j++;
 276                 }
 277                 for (i = 0; i < NUM_PORT_STATS; i++) {
 278                         if ((priv->stats_bitmap >> j) & 1)
 279                                 data[index++] =
 280                                 ((unsigned long *) &priv->port_stats)[i];
 281                         j++;
 282                 }
 283         }
 284         for (i = 0; i < priv->tx_ring_num; i++) {
 285                 data[index++] = priv->tx_ring[i]->packets;
 286                 data[index++] = priv->tx_ring[i]->bytes;
 287         }
 288         for (i = 0; i < priv->rx_ring_num; i++) {
 289                 data[index++] = priv->rx_ring[i]->packets;
 290                 data[index++] = priv->rx_ring[i]->bytes;
 291 #ifdef CONFIG_NET_RX_BUSY_POLL
 292                 data[index++] = priv->rx_ring[i]->yields;
 293                 data[index++] = priv->rx_ring[i]->misses;
 294                 data[index++] = priv->rx_ring[i]->cleaned;
 295 #endif
 296         }
 297         spin_unlock_bh(&priv->stats_lock);
 298
 299 }
 300
 301 static void mlx4_en_self_test(struct net_device *dev,
 302                               struct ethtool_test *etest, u64 *buf)
 303 {
 304         mlx4_en_ex_selftest(dev, &etest->flags, buf);
 305 }
 306
 307 static void mlx4_en_get_strings(struct net_device *dev,
 308                                 uint32_t stringset, uint8_t *data)
 309 {
 310         struct mlx4_en_priv *priv = netdev_priv(dev);
 311         int index = 0;
 312         int i;
 313
 314         switch (stringset) {
 315         case ETH_SS_TEST:
 316                 for (i = 0; i < MLX4_EN_NUM_SELF_TEST - 2; i++)
 317                         strcpy(data + i * ETH_GSTRING_LEN, mlx4_en_test_names[i]);
 318                 if (priv->mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_UC_LOOPBACK)
 319                         for (; i < MLX4_EN_NUM_SELF_TEST; i++)
 320                                 strcpy(data + i * ETH_GSTRING_LEN, mlx4_en_test_names[i]);
 321                 break;
 322
 323         case ETH_SS_STATS:
 324                 /* Add main counters */
 325                 if (!priv->stats_bitmap) {
 326                         for (i = 0; i < NUM_MAIN_STATS; i++)
 327                                 strcpy(data + (index++) * ETH_GSTRING_LEN,
 328                                         main_strings[i]);
 329                         for (i = 0; i < NUM_PORT_STATS; i++)
 330                                 strcpy(data + (index++) * ETH_GSTRING_LEN,
 331                                         main_strings[i +
 332                                         NUM_MAIN_STATS]);
 333                         for (i = 0; i < NUM_PKT_STATS; i++)
 334                                 strcpy(data + (index++) * ETH_GSTRING_LEN,
 335                                         main_strings[i +
 336                                         NUM_MAIN_STATS +
 337                                         NUM_PORT_STATS]);
 338                 } else
 339                         for (i = 0; i < NUM_MAIN_STATS + NUM_PORT_STATS; i++) {
 340                                 if ((priv->stats_bitmap >> i) & 1) {
 341                                         strcpy(data +
 342                                                (index++) * ETH_GSTRING_LEN,
 343                                                main_strings[i]);
 344                                 }
 345                                 if (!(priv->stats_bitmap >> i))
 346                                         break;
 347                         }
 348                 for (i = 0; i < priv->tx_ring_num; i++) {
 349                         sprintf(data + (index++) * ETH_GSTRING_LEN,
 350                                 "tx%d_packets", i);
 351                         sprintf(data + (index++) * ETH_GSTRING_LEN,
 352                                 "tx%d_bytes", i);
 353                 }
 354                 for (i = 0; i < priv->rx_ring_num; i++) {
 355                         sprintf(data + (index++) * ETH_GSTRING_LEN,
 356                                 "rx%d_packets", i);
 357                         sprintf(data + (index++) * ETH_GSTRING_LEN,
 358                                 "rx%d_bytes", i);
 359 #ifdef CONFIG_NET_RX_BUSY_POLL
 360                         sprintf(data + (index++) * ETH_GSTRING_LEN,
 361                                 "rx%d_napi_yield", i);
 362                         sprintf(data + (index++) * ETH_GSTRING_LEN,
 363                                 "rx%d_misses", i);
 364                         sprintf(data + (index++) * ETH_GSTRING_LEN,
 365                                 "rx%d_cleaned", i);
 366 #endif
 367                 }
 368                 break;
 369         case ETH_SS_PRIV_FLAGS:
 370                 for (i = 0; i < ARRAY_SIZE(mlx4_en_priv_flags); i++)
 371                         strcpy(data + i * ETH_GSTRING_LEN,
 372                                mlx4_en_priv_flags[i]);
 373                 break;
 374
 375         }
 376 }
 377
 378 static u32 mlx4_en_autoneg_get(struct net_device *dev)
 379 {
 380         struct mlx4_en_priv *priv = netdev_priv(dev);
 381         struct mlx4_en_dev *mdev = priv->mdev;
 382         u32 autoneg = AUTONEG_DISABLE;
 383
 384         if ((mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ETH_BACKPL_AN_REP) &&
 385             (priv->port_state.flags & MLX4_EN_PORT_ANE))
 386                 autoneg = AUTONEG_ENABLE;
 387
 388         return autoneg;
 389 }
 390
 391 static u32 ptys_get_supported_port(struct mlx4_ptys_reg *ptys_reg)
 392 {
 393         u32 eth_proto = be32_to_cpu(ptys_reg->eth_proto_cap);
 394
 395         if (eth_proto & (MLX4_PROT_MASK(MLX4_10GBASE_T)
 396                          | MLX4_PROT_MASK(MLX4_1000BASE_T)
 397                          | MLX4_PROT_MASK(MLX4_100BASE_TX))) {
 398                         return SUPPORTED_TP;
 399         }
 400
 401         if (eth_proto & (MLX4_PROT_MASK(MLX4_10GBASE_CR)
 402                          | MLX4_PROT_MASK(MLX4_10GBASE_SR)
 403                          | MLX4_PROT_MASK(MLX4_56GBASE_SR4)
 404                          | MLX4_PROT_MASK(MLX4_40GBASE_CR4)
 405                          | MLX4_PROT_MASK(MLX4_40GBASE_SR4)
 406                          | MLX4_PROT_MASK(MLX4_1000BASE_CX_SGMII))) {
 407                         return SUPPORTED_FIBRE;
 408         }
 409
 410         if (eth_proto & (MLX4_PROT_MASK(MLX4_56GBASE_KR4)
 411                          | MLX4_PROT_MASK(MLX4_40GBASE_KR4)
 412                          | MLX4_PROT_MASK(MLX4_20GBASE_KR2)
 413                          | MLX4_PROT_MASK(MLX4_10GBASE_KR)
 414                          | MLX4_PROT_MASK(MLX4_10GBASE_KX4)
 415                          | MLX4_PROT_MASK(MLX4_1000BASE_KX))) {
 416                         return SUPPORTED_Backplane;
 417         }
 418         return 0;
 419 }
 420
 421 static u32 ptys_get_active_port(struct mlx4_ptys_reg *ptys_reg)
 422 {
 423         u32 eth_proto = be32_to_cpu(ptys_reg->eth_proto_oper);
 424
 425         if (!eth_proto) /* link down */
 426                 eth_proto = be32_to_cpu(ptys_reg->eth_proto_cap);
 427
 428         if (eth_proto & (MLX4_PROT_MASK(MLX4_10GBASE_T)
 429                          | MLX4_PROT_MASK(MLX4_1000BASE_T)
 430                          | MLX4_PROT_MASK(MLX4_100BASE_TX))) {
 431                         return PORT_TP;
 432         }
 433
 434         if (eth_proto & (MLX4_PROT_MASK(MLX4_10GBASE_SR)
 435                          | MLX4_PROT_MASK(MLX4_56GBASE_SR4)
 436                          | MLX4_PROT_MASK(MLX4_40GBASE_SR4)
 437                          | MLX4_PROT_MASK(MLX4_1000BASE_CX_SGMII))) {
 438                         return PORT_FIBRE;
 439         }
 440
 441         if (eth_proto & (MLX4_PROT_MASK(MLX4_10GBASE_CR)
 442                          | MLX4_PROT_MASK(MLX4_56GBASE_CR4)
 443                          | MLX4_PROT_MASK(MLX4_40GBASE_CR4))) {
 444                         return PORT_DA;
 445         }
 446
 447         if (eth_proto & (MLX4_PROT_MASK(MLX4_56GBASE_KR4)
 448                          | MLX4_PROT_MASK(MLX4_40GBASE_KR4)
 449                          | MLX4_PROT_MASK(MLX4_20GBASE_KR2)
 450                          | MLX4_PROT_MASK(MLX4_10GBASE_KR)
 451                          | MLX4_PROT_MASK(MLX4_10GBASE_KX4)
 452                          | MLX4_PROT_MASK(MLX4_1000BASE_KX))) {
 453                         return PORT_NONE;
 454         }
 455         return PORT_OTHER;
 456 }
 457
 458 #define MLX4_LINK_MODES_SZ \
 459         (FIELD_SIZEOF(struct mlx4_ptys_reg, eth_proto_cap) * 8)
 460
 461 enum ethtool_report {
 462         SUPPORTED = 0,
 463         ADVERTISED = 1,
 464         SPEED = 2
 465 };
 466
 467 /* Translates mlx4 link mode to equivalent ethtool Link modes/speed */
 468 static u32 ptys2ethtool_map[MLX4_LINK_MODES_SZ][3] = {
 469         [MLX4_100BASE_TX] = {
 470                 SUPPORTED_100baseT_Full,
 471                 ADVERTISED_100baseT_Full,
 472                 SPEED_100
 473                 },
 474
 475         [MLX4_1000BASE_T] = {
 476                 SUPPORTED_1000baseT_Full,
 477                 ADVERTISED_1000baseT_Full,
 478                 SPEED_1000
 479                 },
 480         [MLX4_1000BASE_CX_SGMII] = {
 481                 SUPPORTED_1000baseKX_Full,
 482                 ADVERTISED_1000baseKX_Full,
 483                 SPEED_1000
 484                 },
 485         [MLX4_1000BASE_KX] = {
 486                 SUPPORTED_1000baseKX_Full,
 487                 ADVERTISED_1000baseKX_Full,
 488                 SPEED_1000
 489                 },
 490
 491         [MLX4_10GBASE_T] = {
 492                 SUPPORTED_10000baseT_Full,
 493                 ADVERTISED_10000baseT_Full,
 494                 SPEED_10000
 495                 },
 496         [MLX4_10GBASE_CX4] = {
 497                 SUPPORTED_10000baseKX4_Full,
 498                 ADVERTISED_10000baseKX4_Full,
 499                 SPEED_10000
 500                 },
 501         [MLX4_10GBASE_KX4] = {
 502                 SUPPORTED_10000baseKX4_Full,
 503                 ADVERTISED_10000baseKX4_Full,
 504                 SPEED_10000
 505                 },
 506         [MLX4_10GBASE_KR] = {
 507                 SUPPORTED_10000baseKR_Full,
 508                 ADVERTISED_10000baseKR_Full,
 509                 SPEED_10000
 510                 },
 511         [MLX4_10GBASE_CR] = {
 512                 SUPPORTED_10000baseKR_Full,
 513                 ADVERTISED_10000baseKR_Full,
 514                 SPEED_10000
 515                 },
 516         [MLX4_10GBASE_SR] = {
 517                 SUPPORTED_10000baseKR_Full,
 518                 ADVERTISED_10000baseKR_Full,
 519                 SPEED_10000
 520                 },
 521
 522         [MLX4_20GBASE_KR2] = {
 523                 SUPPORTED_20000baseMLD2_Full | SUPPORTED_20000baseKR2_Full,
 524                 ADVERTISED_20000baseMLD2_Full | ADVERTISED_20000baseKR2_Full,
 525                 SPEED_20000
 526                 },
 527
 528         [MLX4_40GBASE_CR4] = {
 529                 SUPPORTED_40000baseCR4_Full,
 530                 ADVERTISED_40000baseCR4_Full,
 531                 SPEED_40000
 532                 },
 533         [MLX4_40GBASE_KR4] = {
 534                 SUPPORTED_40000baseKR4_Full,
 535                 ADVERTISED_40000baseKR4_Full,
 536                 SPEED_40000
 537                 },
 538         [MLX4_40GBASE_SR4] = {
 539                 SUPPORTED_40000baseSR4_Full,
 540                 ADVERTISED_40000baseSR4_Full,
 541                 SPEED_40000
 542                 },
 543
 544         [MLX4_56GBASE_KR4] = {
 545                 SUPPORTED_56000baseKR4_Full,
 546                 ADVERTISED_56000baseKR4_Full,
 547                 SPEED_56000
 548                 },
 549         [MLX4_56GBASE_CR4] = {
 550                 SUPPORTED_56000baseCR4_Full,
 551                 ADVERTISED_56000baseCR4_Full,
 552                 SPEED_56000
 553                 },
 554         [MLX4_56GBASE_SR4] = {
 555                 SUPPORTED_56000baseSR4_Full,
 556                 ADVERTISED_56000baseSR4_Full,
 557                 SPEED_56000
 558                 },
 559 };
 560
 561 static u32 ptys2ethtool_link_modes(u32 eth_proto, enum ethtool_report report)
 562 {
 563         int i;
 564         u32 link_modes = 0;
 565
 566         for (i = 0; i < MLX4_LINK_MODES_SZ; i++) {
 567                 if (eth_proto & MLX4_PROT_MASK(i))
 568                         link_modes |= ptys2ethtool_map[i][report];
 569         }
 570         return link_modes;
 571 }
 572
 573 static int ethtool_get_ptys_settings(struct net_device *dev,
 574                                      struct ethtool_cmd *cmd)
 575 {
 576         struct mlx4_en_priv *priv = netdev_priv(dev);
 577         struct mlx4_ptys_reg ptys_reg;
 578         u32 eth_proto;
 579         int ret;
 580
 581         memset(&ptys_reg, 0, sizeof(ptys_reg));
 582         ptys_reg.local_port = priv->port;
 583         ptys_reg.proto_mask = MLX4_PTYS_EN;
 584         ret = mlx4_ACCESS_PTYS_REG(priv->mdev->dev,
 585                                    MLX4_ACCESS_REG_QUERY, &ptys_reg);
 586         if (ret) {
 587                 en_warn(priv, "Failed to run mlx4_ACCESS_PTYS_REG status(%x)",
 588                         ret);
 589                 return ret;
 590         }
 591         en_dbg(DRV, priv, "ptys_reg.proto_mask       %x\n",
 592                ptys_reg.proto_mask);
 593         en_dbg(DRV, priv, "ptys_reg.eth_proto_cap    %x\n",
 594                be32_to_cpu(ptys_reg.eth_proto_cap));
 595         en_dbg(DRV, priv, "ptys_reg.eth_proto_admin  %x\n",
 596                be32_to_cpu(ptys_reg.eth_proto_admin));
 597         en_dbg(DRV, priv, "ptys_reg.eth_proto_oper   %x\n",
 598                be32_to_cpu(ptys_reg.eth_proto_oper));
 599         en_dbg(DRV, priv, "ptys_reg.eth_proto_lp_adv %x\n",
 600                be32_to_cpu(ptys_reg.eth_proto_lp_adv));
 601
 602         cmd->supported = 0;
 603         cmd->advertising = 0;
 604
 605         cmd->supported |= ptys_get_supported_port(&ptys_reg);
 606
 607         eth_proto = be32_to_cpu(ptys_reg.eth_proto_cap);
 608         cmd->supported |= ptys2ethtool_link_modes(eth_proto, SUPPORTED);
 609
 610         eth_proto = be32_to_cpu(ptys_reg.eth_proto_admin);
 611         cmd->advertising |= ptys2ethtool_link_modes(eth_proto, ADVERTISED);
 612
 613         cmd->supported |= SUPPORTED_Pause | SUPPORTED_Asym_Pause;
 614         cmd->advertising |= (priv->prof->tx_pause) ? ADVERTISED_Pause : 0;
 615
 616         cmd->advertising |= (priv->prof->tx_pause ^ priv->prof->rx_pause) ?
 617                 ADVERTISED_Asym_Pause : 0;
 618
 619         cmd->port = ptys_get_active_port(&ptys_reg);
 620         cmd->transceiver = (SUPPORTED_TP & cmd->supported) ?
 621                 XCVR_EXTERNAL : XCVR_INTERNAL;
 622
 623         if (mlx4_en_autoneg_get(dev)) {
 624                 cmd->supported |= SUPPORTED_Autoneg;
 625                 cmd->advertising |= ADVERTISED_Autoneg;
 626         }
 627
 628         cmd->autoneg = (priv->port_state.flags & MLX4_EN_PORT_ANC) ?
 629                 AUTONEG_ENABLE : AUTONEG_DISABLE;
 630
 631         eth_proto = be32_to_cpu(ptys_reg.eth_proto_lp_adv);
 632         cmd->lp_advertising = ptys2ethtool_link_modes(eth_proto, ADVERTISED);
 633
 634         cmd->lp_advertising |= (priv->port_state.flags & MLX4_EN_PORT_ANC) ?
 635                         ADVERTISED_Autoneg : 0;
 636
 637         cmd->phy_address = 0;
 638         cmd->mdio_support = 0;
 639         cmd->maxtxpkt = 0;
 640         cmd->maxrxpkt = 0;
 641         cmd->eth_tp_mdix = ETH_TP_MDI_INVALID;
 642         cmd->eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
 643
 644         return ret;
 645 }
 646
 647 static void ethtool_get_default_settings(struct net_device *dev,
 648                                          struct ethtool_cmd *cmd)
 649 {
 650         struct mlx4_en_priv *priv = netdev_priv(dev);
 651         int trans_type;
 652
 653         cmd->autoneg = AUTONEG_DISABLE;
 654         cmd->supported = SUPPORTED_10000baseT_Full;
 655         cmd->advertising = ADVERTISED_10000baseT_Full;
 656         trans_type = priv->port_state.transceiver;
 657
 658         if (trans_type > 0 && trans_type <= 0xC) {
 659                 cmd->port = PORT_FIBRE;
 660                 cmd->transceiver = XCVR_EXTERNAL;
 661                 cmd->supported |= SUPPORTED_FIBRE;
 662                 cmd->advertising |= ADVERTISED_FIBRE;
 663         } else if (trans_type == 0x80 || trans_type == 0) {
 664                 cmd->port = PORT_TP;
 665                 cmd->transceiver = XCVR_INTERNAL;
 666                 cmd->supported |= SUPPORTED_TP;
 667                 cmd->advertising |= ADVERTISED_TP;
 668         } else  {
 669                 cmd->port = -1;
 670                 cmd->transceiver = -1;
 671         }
 672 }
 673
 674 static int mlx4_en_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
 675 {
 676         struct mlx4_en_priv *priv = netdev_priv(dev);
 677         int ret = -EINVAL;
 678
 679         if (mlx4_en_QUERY_PORT(priv->mdev, priv->port))
 680                 return -ENOMEM;
 681
 682         en_dbg(DRV, priv, "query port state.flags ANC(%x) ANE(%x)\n",
 683                priv->port_state.flags & MLX4_EN_PORT_ANC,
 684                priv->port_state.flags & MLX4_EN_PORT_ANE);
 685
 686         if (priv->mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ETH_PROT_CTRL)
 687                 ret = ethtool_get_ptys_settings(dev, cmd);
 688         if (ret) /* ETH PROT CRTL is not supported or PTYS CMD failed */
 689                 ethtool_get_default_settings(dev, cmd);
 690
 691         if (netif_carrier_ok(dev)) {
 692                 ethtool_cmd_speed_set(cmd, priv->port_state.link_speed);
 693                 cmd->duplex = DUPLEX_FULL;
 694         } else {
 695                 ethtool_cmd_speed_set(cmd, SPEED_UNKNOWN);
 696                 cmd->duplex = DUPLEX_UNKNOWN;
 697         }
 698         return 0;
 699 }
 700
 701 static int mlx4_en_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
 702 {
 703         if ((cmd->autoneg == AUTONEG_ENABLE) ||
 704             (ethtool_cmd_speed(cmd) != SPEED_10000) ||
 705             (cmd->duplex != DUPLEX_FULL))
 706                 return -EINVAL;
 707
 708         /* Nothing to change */
 709         return 0;
 710 }
 711
 712 static int mlx4_en_get_coalesce(struct net_device *dev,
 713                               struct ethtool_coalesce *coal)
 714 {
 715         struct mlx4_en_priv *priv = netdev_priv(dev);
 716
 717         coal->tx_coalesce_usecs = priv->tx_usecs;
 718         coal->tx_max_coalesced_frames = priv->tx_frames;
 719         coal->tx_max_coalesced_frames_irq = priv->tx_work_limit;
 720
 721         coal->rx_coalesce_usecs = priv->rx_usecs;
 722         coal->rx_max_coalesced_frames = priv->rx_frames;
 723
 724         coal->pkt_rate_low = priv->pkt_rate_low;
 725         coal->rx_coalesce_usecs_low = priv->rx_usecs_low;
 726         coal->pkt_rate_high = priv->pkt_rate_high;
 727         coal->rx_coalesce_usecs_high = priv->rx_usecs_high;
 728         coal->rate_sample_interval = priv->sample_interval;
 729         coal->use_adaptive_rx_coalesce = priv->adaptive_rx_coal;
 730
 731         return 0;
 732 }
 733
 734 static int mlx4_en_set_coalesce(struct net_device *dev,
 735                               struct ethtool_coalesce *coal)
 736 {
 737         struct mlx4_en_priv *priv = netdev_priv(dev);
 738
 739         if (!coal->tx_max_coalesced_frames_irq)
 740                 return -EINVAL;
 741
 742         priv->rx_frames = (coal->rx_max_coalesced_frames ==
 743                            MLX4_EN_AUTO_CONF) ?
 744                                 MLX4_EN_RX_COAL_TARGET :
 745                                 coal->rx_max_coalesced_frames;
 746         priv->rx_usecs = (coal->rx_coalesce_usecs ==
 747                           MLX4_EN_AUTO_CONF) ?
 748                                 MLX4_EN_RX_COAL_TIME :
 749                                 coal->rx_coalesce_usecs;
 750
 751         /* Setting TX coalescing parameters */
 752         if (coal->tx_coalesce_usecs != priv->tx_usecs ||
 753             coal->tx_max_coalesced_frames != priv->tx_frames) {
 754                 priv->tx_usecs = coal->tx_coalesce_usecs;
 755                 priv->tx_frames = coal->tx_max_coalesced_frames;
 756         }
 757
 758         /* Set adaptive coalescing params */
 759         priv->pkt_rate_low = coal->pkt_rate_low;
 760         priv->rx_usecs_low = coal->rx_coalesce_usecs_low;
 761         priv->pkt_rate_high = coal->pkt_rate_high;
 762         priv->rx_usecs_high = coal->rx_coalesce_usecs_high;
 763         priv->sample_interval = coal->rate_sample_interval;
 764         priv->adaptive_rx_coal = coal->use_adaptive_rx_coalesce;
 765         priv->tx_work_limit = coal->tx_max_coalesced_frames_irq;
 766
 767         return mlx4_en_moderation_update(priv);
 768 }
 769
 770 static int mlx4_en_set_pauseparam(struct net_device *dev,
 771                                 struct ethtool_pauseparam *pause)
 772 {
 773         struct mlx4_en_priv *priv = netdev_priv(dev);
 774         struct mlx4_en_dev *mdev = priv->mdev;
 775         int err;
 776
 777         if (pause->autoneg)
 778                 return -EINVAL;
 779
 780         priv->prof->tx_pause = pause->tx_pause != 0;
 781         priv->prof->rx_pause = pause->rx_pause != 0;
 782         err = mlx4_SET_PORT_general(mdev->dev, priv->port,
 783                                     priv->rx_skb_size + ETH_FCS_LEN,
 784                                     priv->prof->tx_pause,
 785                                     priv->prof->tx_ppp,
 786                                     priv->prof->rx_pause,
 787                                     priv->prof->rx_ppp);
 788         if (err)
 789                 en_err(priv, "Failed setting pause params\n");
 790
 791         return err;
 792 }
 793
 794 static void mlx4_en_get_pauseparam(struct net_device *dev,
 795                                  struct ethtool_pauseparam *pause)
 796 {
 797         struct mlx4_en_priv *priv = netdev_priv(dev);
 798
 799         pause->tx_pause = priv->prof->tx_pause;
 800         pause->rx_pause = priv->prof->rx_pause;
 801 }
 802
 803 static int mlx4_en_set_ringparam(struct net_device *dev,
 804                                  struct ethtool_ringparam *param)
 805 {
 806         struct mlx4_en_priv *priv = netdev_priv(dev);
 807         struct mlx4_en_dev *mdev = priv->mdev;
 808         u32 rx_size, tx_size;
 809         int port_up = 0;
 810         int err = 0;
 811
 812         if (param->rx_jumbo_pending || param->rx_mini_pending)
 813                 return -EINVAL;
 814
 815         rx_size = roundup_pow_of_two(param->rx_pending);
 816         rx_size = max_t(u32, rx_size, MLX4_EN_MIN_RX_SIZE);
 817         rx_size = min_t(u32, rx_size, MLX4_EN_MAX_RX_SIZE);
 818         tx_size = roundup_pow_of_two(param->tx_pending);
 819         tx_size = max_t(u32, tx_size, MLX4_EN_MIN_TX_SIZE);
 820         tx_size = min_t(u32, tx_size, MLX4_EN_MAX_TX_SIZE);
 821
 822         if (rx_size == (priv->port_up ? priv->rx_ring[0]->actual_size :
 823                                         priv->rx_ring[0]->size) &&
 824             tx_size == priv->tx_ring[0]->size)
 825                 return 0;
 826
 827         mutex_lock(&mdev->state_lock);
 828         if (priv->port_up) {
 829                 port_up = 1;
 830                 mlx4_en_stop_port(dev, 1);
 831         }
 832
 833         mlx4_en_free_resources(priv);
 834
 835         priv->prof->tx_ring_size = tx_size;
 836         priv->prof->rx_ring_size = rx_size;
 837
 838         err = mlx4_en_alloc_resources(priv);
 839         if (err) {
 840                 en_err(priv, "Failed reallocating port resources\n");
 841                 goto out;
 842         }
 843         if (port_up) {
 844                 err = mlx4_en_start_port(dev);
 845                 if (err)
 846                         en_err(priv, "Failed starting port\n");
 847         }
 848
 849         err = mlx4_en_moderation_update(priv);
 850
 851 out:
 852         mutex_unlock(&mdev->state_lock);
 853         return err;
 854 }
 855
 856 static void mlx4_en_get_ringparam(struct net_device *dev,
 857                                   struct ethtool_ringparam *param)
 858 {
 859         struct mlx4_en_priv *priv = netdev_priv(dev);
 860
 861         memset(param, 0, sizeof(*param));
 862         param->rx_max_pending = MLX4_EN_MAX_RX_SIZE;
 863         param->tx_max_pending = MLX4_EN_MAX_TX_SIZE;
 864         param->rx_pending = priv->port_up ?
 865                 priv->rx_ring[0]->actual_size : priv->rx_ring[0]->size;
 866         param->tx_pending = priv->tx_ring[0]->size;
 867 }
 868
 869 static u32 mlx4_en_get_rxfh_indir_size(struct net_device *dev)
 870 {
 871         struct mlx4_en_priv *priv = netdev_priv(dev);
 872
 873         return priv->rx_ring_num;
 874 }
 875
 876 static int mlx4_en_get_rxfh(struct net_device *dev, u32 *ring_index, u8 *key)
 877 {
 878         struct mlx4_en_priv *priv = netdev_priv(dev);
 879         struct mlx4_en_rss_map *rss_map = &priv->rss_map;
 880         int rss_rings;
 881         size_t n = priv->rx_ring_num;
 882         int err = 0;
 883
 884         rss_rings = priv->prof->rss_rings ?: priv->rx_ring_num;
 885
 886         while (n--) {
 887                 ring_index[n] = rss_map->qps[n % rss_rings].qpn -
 888                         rss_map->base_qpn;
 889         }
 890
 891         return err;
 892 }
 893
 894 static int mlx4_en_set_rxfh(struct net_device *dev, const u32 *ring_index,
 895                             const u8 *key)
 896 {
 897         struct mlx4_en_priv *priv = netdev_priv(dev);
 898         struct mlx4_en_dev *mdev = priv->mdev;
 899         int port_up = 0;
 900         int err = 0;
 901         int i;
 902         int rss_rings = 0;
 903
 904         /* Calculate RSS table size and make sure flows are spread evenly
 905          * between rings
 906          */
 907         for (i = 0; i < priv->rx_ring_num; i++) {
 908                 if (i > 0 && !ring_index[i] && !rss_rings)
 909                         rss_rings = i;
 910
 911                 if (ring_index[i] != (i % (rss_rings ?: priv->rx_ring_num)))
 912                         return -EINVAL;
 913         }
 914
 915         if (!rss_rings)
 916                 rss_rings = priv->rx_ring_num;
 917
 918         /* RSS table size must be an order of 2 */
 919         if (!is_power_of_2(rss_rings))
 920                 return -EINVAL;
 921
 922         mutex_lock(&mdev->state_lock);
 923         if (priv->port_up) {
 924                 port_up = 1;
 925                 mlx4_en_stop_port(dev, 1);
 926         }
 927
 928         priv->prof->rss_rings = rss_rings;
 929
 930         if (port_up) {
 931                 err = mlx4_en_start_port(dev);
 932                 if (err)
 933                         en_err(priv, "Failed starting port\n");
 934         }
 935
 936         mutex_unlock(&mdev->state_lock);
 937         return err;
 938 }
 939
 940 #define all_zeros_or_all_ones(field)            \
 941         ((field) == 0 || (field) == (__force typeof(field))-1)
 942
 943 static int mlx4_en_validate_flow(struct net_device *dev,
 944                                  struct ethtool_rxnfc *cmd)
 945 {
 946         struct ethtool_usrip4_spec *l3_mask;
 947         struct ethtool_tcpip4_spec *l4_mask;
 948         struct ethhdr *eth_mask;
 949
 950         if (cmd->fs.location >= MAX_NUM_OF_FS_RULES)
 951                 return -EINVAL;
 952
 953         if (cmd->fs.flow_type & FLOW_MAC_EXT) {
 954                 /* dest mac mask must be ff:ff:ff:ff:ff:ff */
 955                 if (!is_broadcast_ether_addr(cmd->fs.m_ext.h_dest))
 956                         return -EINVAL;
 957         }
 958
 959         switch (cmd->fs.flow_type & ~(FLOW_EXT | FLOW_MAC_EXT)) {
 960         case TCP_V4_FLOW:
 961         case UDP_V4_FLOW:
 962                 if (cmd->fs.m_u.tcp_ip4_spec.tos)
 963                         return -EINVAL;
 964                 l4_mask = &cmd->fs.m_u.tcp_ip4_spec;
 965                 /* don't allow mask which isn't all 0 or 1 */
 966                 if (!all_zeros_or_all_ones(l4_mask->ip4src) ||
 967                     !all_zeros_or_all_ones(l4_mask->ip4dst) ||
 968                     !all_zeros_or_all_ones(l4_mask->psrc) ||
 969                     !all_zeros_or_all_ones(l4_mask->pdst))
 970                         return -EINVAL;
 971                 break;
 972         case IP_USER_FLOW:
 973                 l3_mask = &cmd->fs.m_u.usr_ip4_spec;
 974                 if (l3_mask->l4_4_bytes || l3_mask->tos || l3_mask->proto ||
 975                     cmd->fs.h_u.usr_ip4_spec.ip_ver != ETH_RX_NFC_IP4 ||
 976                     (!l3_mask->ip4src && !l3_mask->ip4dst) ||
 977                     !all_zeros_or_all_ones(l3_mask->ip4src) ||
 978                     !all_zeros_or_all_ones(l3_mask->ip4dst))
 979                         return -EINVAL;
 980                 break;
 981         case ETHER_FLOW:
 982                 eth_mask = &cmd->fs.m_u.ether_spec;
 983                 /* source mac mask must not be set */
 984                 if (!is_zero_ether_addr(eth_mask->h_source))
 985                         return -EINVAL;
 986
 987                 /* dest mac mask must be ff:ff:ff:ff:ff:ff */
 988                 if (!is_broadcast_ether_addr(eth_mask->h_dest))
 989                         return -EINVAL;
 990
 991                 if (!all_zeros_or_all_ones(eth_mask->h_proto))
 992                         return -EINVAL;
 993                 break;
 994         default:
 995                 return -EINVAL;
 996         }
 997
 998         if ((cmd->fs.flow_type & FLOW_EXT)) {
 999                 if (cmd->fs.m_ext.vlan_etype ||
1000                     !((cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK)) ==
1001                       0 ||
1002                       (cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK)) ==
1003                       cpu_to_be16(VLAN_VID_MASK)))
1004                         return -EINVAL;
1005
1006                 if (cmd->fs.m_ext.vlan_tci) {
1007                         if (be16_to_cpu(cmd->fs.h_ext.vlan_tci) >= VLAN_N_VID)
1008                                 return -EINVAL;
1009
1010                 }
1011         }
1012
1013         return 0;
1014 }
1015
1016 static int mlx4_en_ethtool_add_mac_rule(struct ethtool_rxnfc *cmd,
1017                                         struct list_head *rule_list_h,
1018                                         struct mlx4_spec_list *spec_l2,
1019                                         unsigned char *mac)
1020 {
1021         int err = 0;
1022         __be64 mac_msk = cpu_to_be64(MLX4_MAC_MASK << 16);
1023
1024         spec_l2->id = MLX4_NET_TRANS_RULE_ID_ETH;
1025         memcpy(spec_l2->eth.dst_mac_msk, &mac_msk, ETH_ALEN);
1026         memcpy(spec_l2->eth.dst_mac, mac, ETH_ALEN);
1027
1028         if ((cmd->fs.flow_type & FLOW_EXT) &&
1029             (cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK))) {
1030                 spec_l2->eth.vlan_id = cmd->fs.h_ext.vlan_tci;
1031                 spec_l2->eth.vlan_id_msk = cpu_to_be16(VLAN_VID_MASK);
1032         }
1033
1034         list_add_tail(&spec_l2->list, rule_list_h);
1035
1036         return err;
1037 }
1038
1039 static int mlx4_en_ethtool_add_mac_rule_by_ipv4(struct mlx4_en_priv *priv,
1040                                                 struct ethtool_rxnfc *cmd,
1041                                                 struct list_head *rule_list_h,
1042                                                 struct mlx4_spec_list *spec_l2,
1043                                                 __be32 ipv4_dst)
1044 {
1045 #ifdef CONFIG_INET
1046         unsigned char mac[ETH_ALEN];
1047
1048         if (!ipv4_is_multicast(ipv4_dst)) {
1049                 if (cmd->fs.flow_type & FLOW_MAC_EXT)
1050                         memcpy(&mac, cmd->fs.h_ext.h_dest, ETH_ALEN);
1051                 else
1052                         memcpy(&mac, priv->dev->dev_addr, ETH_ALEN);
1053         } else {
1054                 ip_eth_mc_map(ipv4_dst, mac);
1055         }
1056
1057         return mlx4_en_ethtool_add_mac_rule(cmd, rule_list_h, spec_l2, &mac[0]);
1058 #else
1059         return -EINVAL;
1060 #endif
1061 }
1062
1063 static int add_ip_rule(struct mlx4_en_priv *priv,
1064                        struct ethtool_rxnfc *cmd,
1065                        struct list_head *list_h)
1066 {
1067         int err;
1068         struct mlx4_spec_list *spec_l2 = NULL;
1069         struct mlx4_spec_list *spec_l3 = NULL;
1070         struct ethtool_usrip4_spec *l3_mask = &cmd->fs.m_u.usr_ip4_spec;
1071
1072         spec_l3 = kzalloc(sizeof(*spec_l3), GFP_KERNEL);
1073         spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL);
1074         if (!spec_l2 || !spec_l3) {
1075                 err = -ENOMEM;
1076                 goto free_spec;
1077         }
1078
1079         err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h, spec_l2,
1080                                                    cmd->fs.h_u.
1081                                                    usr_ip4_spec.ip4dst);
1082         if (err)
1083                 goto free_spec;
1084         spec_l3->id = MLX4_NET_TRANS_RULE_ID_IPV4;
1085         spec_l3->ipv4.src_ip = cmd->fs.h_u.usr_ip4_spec.ip4src;
1086         if (l3_mask->ip4src)
1087                 spec_l3->ipv4.src_ip_msk = EN_ETHTOOL_WORD_MASK;
1088         spec_l3->ipv4.dst_ip = cmd->fs.h_u.usr_ip4_spec.ip4dst;
1089         if (l3_mask->ip4dst)
1090                 spec_l3->ipv4.dst_ip_msk = EN_ETHTOOL_WORD_MASK;
1091         list_add_tail(&spec_l3->list, list_h);
1092
1093         return 0;
1094
1095 free_spec:
1096         kfree(spec_l2);
1097         kfree(spec_l3);
1098         return err;
1099 }
1100
1101 static int add_tcp_udp_rule(struct mlx4_en_priv *priv,
1102                              struct ethtool_rxnfc *cmd,
1103                              struct list_head *list_h, int proto)
1104 {
1105         int err;
1106         struct mlx4_spec_list *spec_l2 = NULL;
1107         struct mlx4_spec_list *spec_l3 = NULL;
1108         struct mlx4_spec_list *spec_l4 = NULL;
1109         struct ethtool_tcpip4_spec *l4_mask = &cmd->fs.m_u.tcp_ip4_spec;
1110
1111         spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL);
1112         spec_l3 = kzalloc(sizeof(*spec_l3), GFP_KERNEL);
1113         spec_l4 = kzalloc(sizeof(*spec_l4), GFP_KERNEL);
1114         if (!spec_l2 || !spec_l3 || !spec_l4) {
1115                 err = -ENOMEM;
1116                 goto free_spec;
1117         }
1118
1119         spec_l3->id = MLX4_NET_TRANS_RULE_ID_IPV4;
1120
1121         if (proto == TCP_V4_FLOW) {
1122                 err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h,
1123                                                            spec_l2,
1124                                                            cmd->fs.h_u.
1125                                                            tcp_ip4_spec.ip4dst);
1126                 if (err)
1127                         goto free_spec;
1128                 spec_l4->id = MLX4_NET_TRANS_RULE_ID_TCP;
1129                 spec_l3->ipv4.src_ip = cmd->fs.h_u.tcp_ip4_spec.ip4src;
1130                 spec_l3->ipv4.dst_ip = cmd->fs.h_u.tcp_ip4_spec.ip4dst;
1131                 spec_l4->tcp_udp.src_port = cmd->fs.h_u.tcp_ip4_spec.psrc;
1132                 spec_l4->tcp_udp.dst_port = cmd->fs.h_u.tcp_ip4_spec.pdst;
1133         } else {
1134                 err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h,
1135                                                            spec_l2,
1136                                                            cmd->fs.h_u.
1137                                                            udp_ip4_spec.ip4dst);
1138                 if (err)
1139                         goto free_spec;
1140                 spec_l4->id = MLX4_NET_TRANS_RULE_ID_UDP;
1141                 spec_l3->ipv4.src_ip = cmd->fs.h_u.udp_ip4_spec.ip4src;
1142                 spec_l3->ipv4.dst_ip = cmd->fs.h_u.udp_ip4_spec.ip4dst;
1143                 spec_l4->tcp_udp.src_port = cmd->fs.h_u.udp_ip4_spec.psrc;
1144                 spec_l4->tcp_udp.dst_port = cmd->fs.h_u.udp_ip4_spec.pdst;
1145         }
1146
1147         if (l4_mask->ip4src)
1148                 spec_l3->ipv4.src_ip_msk = EN_ETHTOOL_WORD_MASK;
1149         if (l4_mask->ip4dst)
1150                 spec_l3->ipv4.dst_ip_msk = EN_ETHTOOL_WORD_MASK;
1151
1152         if (l4_mask->psrc)
1153                 spec_l4->tcp_udp.src_port_msk = EN_ETHTOOL_SHORT_MASK;
1154         if (l4_mask->pdst)
1155                 spec_l4->tcp_udp.dst_port_msk = EN_ETHTOOL_SHORT_MASK;
1156
1157         list_add_tail(&spec_l3->list, list_h);
1158         list_add_tail(&spec_l4->list, list_h);
1159
1160         return 0;
1161
1162 free_spec:
1163         kfree(spec_l2);
1164         kfree(spec_l3);
1165         kfree(spec_l4);
1166         return err;
1167 }
1168
1169 static int mlx4_en_ethtool_to_net_trans_rule(struct net_device *dev,
1170                                              struct ethtool_rxnfc *cmd,
1171                                              struct list_head *rule_list_h)
1172 {
1173         int err;
1174         struct ethhdr *eth_spec;
1175         struct mlx4_spec_list *spec_l2;
1176         struct mlx4_en_priv *priv = netdev_priv(dev);
1177
1178         err = mlx4_en_validate_flow(dev, cmd);
1179         if (err)
1180                 return err;
1181
1182         switch (cmd->fs.flow_type & ~(FLOW_EXT | FLOW_MAC_EXT)) {
1183         case ETHER_FLOW:
1184                 spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL);
1185                 if (!spec_l2)
1186                         return -ENOMEM;
1187
1188                 eth_spec = &cmd->fs.h_u.ether_spec;
1189                 mlx4_en_ethtool_add_mac_rule(cmd, rule_list_h, spec_l2,
1190                                              &eth_spec->h_dest[0]);
1191                 spec_l2->eth.ether_type = eth_spec->h_proto;
1192                 if (eth_spec->h_proto)
1193                         spec_l2->eth.ether_type_enable = 1;
1194                 break;
1195         case IP_USER_FLOW:
1196                 err = add_ip_rule(priv, cmd, rule_list_h);
1197                 break;
1198         case TCP_V4_FLOW:
1199                 err = add_tcp_udp_rule(priv, cmd, rule_list_h, TCP_V4_FLOW);
1200                 break;
1201         case UDP_V4_FLOW:
1202                 err = add_tcp_udp_rule(priv, cmd, rule_list_h, UDP_V4_FLOW);
1203                 break;
1204         }
1205
1206         return err;
1207 }
1208
1209 static int mlx4_en_flow_replace(struct net_device *dev,
1210                                 struct ethtool_rxnfc *cmd)
1211 {
1212         int err;
1213         struct mlx4_en_priv *priv = netdev_priv(dev);
1214         struct ethtool_flow_id *loc_rule;
1215         struct mlx4_spec_list *spec, *tmp_spec;
1216         u32 qpn;
1217         u64 reg_id;
1218
1219         struct mlx4_net_trans_rule rule = {
1220                 .queue_mode = MLX4_NET_TRANS_Q_FIFO,
1221                 .exclusive = 0,
1222                 .allow_loopback = 1,
1223                 .promisc_mode = MLX4_FS_REGULAR,
1224         };
1225
1226         rule.port = priv->port;
1227         rule.priority = MLX4_DOMAIN_ETHTOOL | cmd->fs.location;
1228         INIT_LIST_HEAD(&rule.list);
1229
1230         /* Allow direct QP attaches if the EN_ETHTOOL_QP_ATTACH flag is set */
1231         if (cmd->fs.ring_cookie == RX_CLS_FLOW_DISC)
1232                 qpn = priv->drop_qp.qpn;
1233         else if (cmd->fs.ring_cookie & EN_ETHTOOL_QP_ATTACH) {
1234                 qpn = cmd->fs.ring_cookie & (EN_ETHTOOL_QP_ATTACH - 1);
1235         } else {
1236                 if (cmd->fs.ring_cookie >= priv->rx_ring_num) {
1237                         en_warn(priv, "rxnfc: RX ring (%llu) doesn't exist\n",
1238                                 cmd->fs.ring_cookie);
1239                         return -EINVAL;
1240                 }
1241                 qpn = priv->rss_map.qps[cmd->fs.ring_cookie].qpn;
1242                 if (!qpn) {
1243                         en_warn(priv, "rxnfc: RX ring (%llu) is inactive\n",
1244                                 cmd->fs.ring_cookie);
1245                         return -EINVAL;
1246                 }
1247         }
1248         rule.qpn = qpn;
1249         err = mlx4_en_ethtool_to_net_trans_rule(dev, cmd, &rule.list);
1250         if (err)
1251                 goto out_free_list;
1252
1253         loc_rule = &priv->ethtool_rules[cmd->fs.location];
1254         if (loc_rule->id) {
1255                 err = mlx4_flow_detach(priv->mdev->dev, loc_rule->id);
1256                 if (err) {
1257                         en_err(priv, "Fail to detach network rule at location %d. registration id = %llx\n",
1258                                cmd->fs.location, loc_rule->id);
1259                         goto out_free_list;
1260                 }
1261                 loc_rule->id = 0;
1262                 memset(&loc_rule->flow_spec, 0,
1263                        sizeof(struct ethtool_rx_flow_spec));
1264                 list_del(&loc_rule->list);
1265         }
1266         err = mlx4_flow_attach(priv->mdev->dev, &rule, &reg_id);
1267         if (err) {
1268                 en_err(priv, "Fail to attach network rule at location %d\n",
1269                        cmd->fs.location);
1270                 goto out_free_list;
1271         }
1272         loc_rule->id = reg_id;
1273         memcpy(&loc_rule->flow_spec, &cmd->fs,
1274                sizeof(struct ethtool_rx_flow_spec));
1275         list_add_tail(&loc_rule->list, &priv->ethtool_list);
1276
1277 out_free_list:
1278         list_for_each_entry_safe(spec, tmp_spec, &rule.list, list) {
1279                 list_del(&spec->list);
1280                 kfree(spec);
1281         }
1282         return err;
1283 }
1284
1285 static int mlx4_en_flow_detach(struct net_device *dev,
1286                                struct ethtool_rxnfc *cmd)
1287 {
1288         int err = 0;
1289         struct ethtool_flow_id *rule;
1290         struct mlx4_en_priv *priv = netdev_priv(dev);
1291
1292         if (cmd->fs.location >= MAX_NUM_OF_FS_RULES)
1293                 return -EINVAL;
1294
1295         rule = &priv->ethtool_rules[cmd->fs.location];
1296         if (!rule->id) {
1297                 err =  -ENOENT;
1298                 goto out;
1299         }
1300
1301         err = mlx4_flow_detach(priv->mdev->dev, rule->id);
1302         if (err) {
1303                 en_err(priv, "Fail to detach network rule at location %d. registration id = 0x%llx\n",
1304                        cmd->fs.location, rule->id);
1305                 goto out;
1306         }
1307         rule->id = 0;
1308         memset(&rule->flow_spec, 0, sizeof(struct ethtool_rx_flow_spec));
1309         list_del(&rule->list);
1310 out:
1311         return err;
1312
1313 }
1314
1315 static int mlx4_en_get_flow(struct net_device *dev, struct ethtool_rxnfc *cmd,
1316                             int loc)
1317 {
1318         int err = 0;
1319         struct ethtool_flow_id *rule;
1320         struct mlx4_en_priv *priv = netdev_priv(dev);
1321
1322         if (loc < 0 || loc >= MAX_NUM_OF_FS_RULES)
1323                 return -EINVAL;
1324
1325         rule = &priv->ethtool_rules[loc];
1326         if (rule->id)
1327                 memcpy(&cmd->fs, &rule->flow_spec,
1328                        sizeof(struct ethtool_rx_flow_spec));
1329         else
1330                 err = -ENOENT;
1331
1332         return err;
1333 }
1334
1335 static int mlx4_en_get_num_flows(struct mlx4_en_priv *priv)
1336 {
1337
1338         int i, res = 0;
1339         for (i = 0; i < MAX_NUM_OF_FS_RULES; i++) {
1340                 if (priv->ethtool_rules[i].id)
1341                         res++;
1342         }
1343         return res;
1344
1345 }
1346
1347 static int mlx4_en_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
1348                              u32 *rule_locs)
1349 {
1350         struct mlx4_en_priv *priv = netdev_priv(dev);
1351         struct mlx4_en_dev *mdev = priv->mdev;
1352         int err = 0;
1353         int i = 0, priority = 0;
1354
1355         if ((cmd->cmd == ETHTOOL_GRXCLSRLCNT ||
1356              cmd->cmd == ETHTOOL_GRXCLSRULE ||
1357              cmd->cmd == ETHTOOL_GRXCLSRLALL) &&
1358             (mdev->dev->caps.steering_mode !=
1359              MLX4_STEERING_MODE_DEVICE_MANAGED || !priv->port_up))
1360                 return -EINVAL;
1361
1362         switch (cmd->cmd) {
1363         case ETHTOOL_GRXRINGS:
1364                 cmd->data = priv->rx_ring_num;
1365                 break;
1366         case ETHTOOL_GRXCLSRLCNT:
1367                 cmd->rule_cnt = mlx4_en_get_num_flows(priv);
1368                 break;
1369         case ETHTOOL_GRXCLSRULE:
1370                 err = mlx4_en_get_flow(dev, cmd, cmd->fs.location);
1371                 break;
1372         case ETHTOOL_GRXCLSRLALL:
1373                 while ((!err || err == -ENOENT) && priority < cmd->rule_cnt) {
1374                         err = mlx4_en_get_flow(dev, cmd, i);
1375                         if (!err)
1376                                 rule_locs[priority++] = i;
1377                         i++;
1378                 }
1379                 err = 0;
1380                 break;
1381         default:
1382                 err = -EOPNOTSUPP;
1383                 break;
1384         }
1385
1386         return err;
1387 }
1388
1389 static int mlx4_en_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
1390 {
1391         int err = 0;
1392         struct mlx4_en_priv *priv = netdev_priv(dev);
1393         struct mlx4_en_dev *mdev = priv->mdev;
1394
1395         if (mdev->dev->caps.steering_mode !=
1396             MLX4_STEERING_MODE_DEVICE_MANAGED || !priv->port_up)
1397                 return -EINVAL;
1398
1399         switch (cmd->cmd) {
1400         case ETHTOOL_SRXCLSRLINS:
1401                 err = mlx4_en_flow_replace(dev, cmd);
1402                 break;
1403         case ETHTOOL_SRXCLSRLDEL:
1404                 err = mlx4_en_flow_detach(dev, cmd);
1405                 break;
1406         default:
1407                 en_warn(priv, "Unsupported ethtool command. (%d)\n", cmd->cmd);
1408                 return -EINVAL;
1409         }
1410
1411         return err;
1412 }
1413
1414 static void mlx4_en_get_channels(struct net_device *dev,
1415                                  struct ethtool_channels *channel)
1416 {
1417         struct mlx4_en_priv *priv = netdev_priv(dev);
1418
1419         memset(channel, 0, sizeof(*channel));
1420
1421         channel->max_rx = MAX_RX_RINGS;
1422         channel->max_tx = MLX4_EN_MAX_TX_RING_P_UP;
1423
1424         channel->rx_count = priv->rx_ring_num;
1425         channel->tx_count = priv->tx_ring_num / MLX4_EN_NUM_UP;
1426 }
1427
1428 static int mlx4_en_set_channels(struct net_device *dev,
1429                                 struct ethtool_channels *channel)
1430 {
1431         struct mlx4_en_priv *priv = netdev_priv(dev);
1432         struct mlx4_en_dev *mdev = priv->mdev;
1433         int port_up = 0;
1434         int err = 0;
1435
1436         if (channel->other_count || channel->combined_count ||
1437             channel->tx_count > MLX4_EN_MAX_TX_RING_P_UP ||
1438             channel->rx_count > MAX_RX_RINGS ||
1439             !channel->tx_count || !channel->rx_count)
1440                 return -EINVAL;
1441
1442         mutex_lock(&mdev->state_lock);
1443         if (priv->port_up) {
1444                 port_up = 1;
1445                 mlx4_en_stop_port(dev, 1);
1446         }
1447
1448         mlx4_en_free_resources(priv);
1449
1450         priv->num_tx_rings_p_up = channel->tx_count;
1451         priv->tx_ring_num = channel->tx_count * MLX4_EN_NUM_UP;
1452         priv->rx_ring_num = channel->rx_count;
1453
1454         err = mlx4_en_alloc_resources(priv);
1455         if (err) {
1456                 en_err(priv, "Failed reallocating port resources\n");
1457                 goto out;
1458         }
1459
1460         netif_set_real_num_tx_queues(dev, priv->tx_ring_num);
1461         netif_set_real_num_rx_queues(dev, priv->rx_ring_num);
1462
1463         if (dev->num_tc)
1464                 mlx4_en_setup_tc(dev, MLX4_EN_NUM_UP);
1465
1466         en_warn(priv, "Using %d TX rings\n", priv->tx_ring_num);
1467         en_warn(priv, "Using %d RX rings\n", priv->rx_ring_num);
1468
1469         if (port_up) {
1470                 err = mlx4_en_start_port(dev);
1471                 if (err)
1472                         en_err(priv, "Failed starting port\n");
1473         }
1474
1475         err = mlx4_en_moderation_update(priv);
1476
1477 out:
1478         mutex_unlock(&mdev->state_lock);
1479         return err;
1480 }
1481
1482 static int mlx4_en_get_ts_info(struct net_device *dev,
1483                                struct ethtool_ts_info *info)
1484 {
1485         struct mlx4_en_priv *priv = netdev_priv(dev);
1486         struct mlx4_en_dev *mdev = priv->mdev;
1487         int ret;
1488
1489         ret = ethtool_op_get_ts_info(dev, info);
1490         if (ret)
1491                 return ret;
1492
1493         if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS) {
1494                 info->so_timestamping |=
1495                         SOF_TIMESTAMPING_TX_HARDWARE |
1496                         SOF_TIMESTAMPING_RX_HARDWARE |
1497                         SOF_TIMESTAMPING_RAW_HARDWARE;
1498
1499                 info->tx_types =
1500                         (1 << HWTSTAMP_TX_OFF) |
1501                         (1 << HWTSTAMP_TX_ON);
1502
1503                 info->rx_filters =
1504                         (1 << HWTSTAMP_FILTER_NONE) |
1505                         (1 << HWTSTAMP_FILTER_ALL);
1506
1507                 if (mdev->ptp_clock)
1508                         info->phc_index = ptp_clock_index(mdev->ptp_clock);
1509         }
1510
1511         return ret;
1512 }
1513
1514 static int mlx4_en_set_priv_flags(struct net_device *dev, u32 flags)
1515 {
1516         struct mlx4_en_priv *priv = netdev_priv(dev);
1517         bool bf_enabled_new = !!(flags & MLX4_EN_PRIV_FLAGS_BLUEFLAME);
1518         bool bf_enabled_old = !!(priv->pflags & MLX4_EN_PRIV_FLAGS_BLUEFLAME);
1519         int i;
1520
1521         if (bf_enabled_new == bf_enabled_old)
1522                 return 0; /* Nothing to do */
1523
1524         if (bf_enabled_new) {
1525                 bool bf_supported = true;
1526
1527                 for (i = 0; i < priv->tx_ring_num; i++)
1528                         bf_supported &= priv->tx_ring[i]->bf_alloced;
1529
1530                 if (!bf_supported) {
1531                         en_err(priv, "BlueFlame is not supported\n");
1532                         return -EINVAL;
1533                 }
1534
1535                 priv->pflags |= MLX4_EN_PRIV_FLAGS_BLUEFLAME;
1536         } else {
1537                 priv->pflags &= ~MLX4_EN_PRIV_FLAGS_BLUEFLAME;
1538         }
1539
1540         for (i = 0; i < priv->tx_ring_num; i++)
1541                 priv->tx_ring[i]->bf_enabled = bf_enabled_new;
1542
1543         en_info(priv, "BlueFlame %s\n",
1544                 bf_enabled_new ?  "Enabled" : "Disabled");
1545
1546         return 0;
1547 }
1548
1549 static u32 mlx4_en_get_priv_flags(struct net_device *dev)
1550 {
1551         struct mlx4_en_priv *priv = netdev_priv(dev);
1552
1553         return priv->pflags;
1554 }
1555
1556 static int mlx4_en_get_tunable(struct net_device *dev,
1557                                const struct ethtool_tunable *tuna,
1558                                void *data)
1559 {
1560         const struct mlx4_en_priv *priv = netdev_priv(dev);
1561         int ret = 0;
1562
1563         switch (tuna->id) {
1564         case ETHTOOL_TX_COPYBREAK:
1565                 *(u32 *)data = priv->prof->inline_thold;
1566                 break;
1567         default:
1568                 ret = -EINVAL;
1569                 break;
1570         }
1571
1572         return ret;
1573 }
1574
1575 static int mlx4_en_set_tunable(struct net_device *dev,
1576                                const struct ethtool_tunable *tuna,
1577                                const void *data)
1578 {
1579         struct mlx4_en_priv *priv = netdev_priv(dev);
1580         int val, ret = 0;
1581
1582         switch (tuna->id) {
1583         case ETHTOOL_TX_COPYBREAK:
1584                 val = *(u32 *)data;
1585                 if (val < MIN_PKT_LEN || val > MAX_INLINE)
1586                         ret = -EINVAL;
1587                 else
1588                         priv->prof->inline_thold = val;
1589                 break;
1590         default:
1591                 ret = -EINVAL;
1592                 break;
1593         }
1594
1595         return ret;
1596 }
1597
1598 static int mlx4_en_get_module_info(struct net_device *dev,
1599                                    struct ethtool_modinfo *modinfo)
1600 {
1601         struct mlx4_en_priv *priv = netdev_priv(dev);
1602         struct mlx4_en_dev *mdev = priv->mdev;
1603         int ret;
1604         u8 data[4];
1605
1606         /* Read first 2 bytes to get Module & REV ID */
1607         ret = mlx4_get_module_info(mdev->dev, priv->port,
1608                                    0/*offset*/, 2/*size*/, data);
1609         if (ret < 2)
1610                 return -EIO;
1611
1612         switch (data[0] /* identifier */) {
1613         case MLX4_MODULE_ID_QSFP:
1614                 modinfo->type = ETH_MODULE_SFF_8436;
1615                 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
1616                 break;
1617         case MLX4_MODULE_ID_QSFP_PLUS:
1618                 if (data[1] >= 0x3) { /* revision id */
1619                         modinfo->type = ETH_MODULE_SFF_8636;
1620                         modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
1621                 } else {
1622                         modinfo->type = ETH_MODULE_SFF_8436;
1623                         modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
1624                 }
1625                 break;
1626         case MLX4_MODULE_ID_QSFP28:
1627                 modinfo->type = ETH_MODULE_SFF_8636;
1628                 modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
1629                 break;
1630         case MLX4_MODULE_ID_SFP:
1631                 modinfo->type = ETH_MODULE_SFF_8472;
1632                 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
1633                 break;
1634         default:
1635                 return -ENOSYS;
1636         }
1637
1638         return 0;
1639 }
1640
1641 static int mlx4_en_get_module_eeprom(struct net_device *dev,
1642                                      struct ethtool_eeprom *ee,
1643                                      u8 *data)
1644 {
1645         struct mlx4_en_priv *priv = netdev_priv(dev);
1646         struct mlx4_en_dev *mdev = priv->mdev;
1647         int offset = ee->offset;
1648         int i = 0, ret;
1649
1650         if (ee->len == 0)
1651                 return -EINVAL;
1652
1653         memset(data, 0, ee->len);
1654
1655         while (i < ee->len) {
1656                 en_dbg(DRV, priv,
1657                        "mlx4_get_module_info i(%d) offset(%d) len(%d)\n",
1658                        i, offset, ee->len - i);
1659
1660                 ret = mlx4_get_module_info(mdev->dev, priv->port,
1661                                            offset, ee->len - i, data + i);
1662
1663                 if (!ret) /* Done reading */
1664                         return 0;
1665
1666                 if (ret < 0) {
1667                         en_err(priv,
1668                                "mlx4_get_module_info i(%d) offset(%d) bytes_to_read(%d) - FAILED (0x%x)\n",
1669                                i, offset, ee->len - i, ret);
1670                         return 0;
1671                 }
1672
1673                 i += ret;
1674                 offset += ret;
1675         }
1676         return 0;
1677 }
1678
1679 const struct ethtool_ops mlx4_en_ethtool_ops = {
1680         .get_drvinfo = mlx4_en_get_drvinfo,
1681         .get_settings = mlx4_en_get_settings,
1682         .set_settings = mlx4_en_set_settings,
1683         .get_link = ethtool_op_get_link,
1684         .get_strings = mlx4_en_get_strings,
1685         .get_sset_count = mlx4_en_get_sset_count,
1686         .get_ethtool_stats = mlx4_en_get_ethtool_stats,
1687         .self_test = mlx4_en_self_test,
1688         .get_wol = mlx4_en_get_wol,
1689         .set_wol = mlx4_en_set_wol,
1690         .get_msglevel = mlx4_en_get_msglevel,
1691         .set_msglevel = mlx4_en_set_msglevel,
1692         .get_coalesce = mlx4_en_get_coalesce,
1693         .set_coalesce = mlx4_en_set_coalesce,
1694         .get_pauseparam = mlx4_en_get_pauseparam,
1695         .set_pauseparam = mlx4_en_set_pauseparam,
1696         .get_ringparam = mlx4_en_get_ringparam,
1697         .set_ringparam = mlx4_en_set_ringparam,
1698         .get_rxnfc = mlx4_en_get_rxnfc,
1699         .set_rxnfc = mlx4_en_set_rxnfc,
1700         .get_rxfh_indir_size = mlx4_en_get_rxfh_indir_size,
1701         .get_rxfh = mlx4_en_get_rxfh,
1702         .set_rxfh = mlx4_en_set_rxfh,
1703         .get_channels = mlx4_en_get_channels,
1704         .set_channels = mlx4_en_set_channels,
1705         .get_ts_info = mlx4_en_get_ts_info,
1706         .set_priv_flags = mlx4_en_set_priv_flags,
1707         .get_priv_flags = mlx4_en_get_priv_flags,
1708         .get_tunable            = mlx4_en_get_tunable,
1709         .set_tunable            = mlx4_en_set_tunable,
1710         .get_module_info = mlx4_en_get_module_info,
1711         .get_module_eeprom = mlx4_en_get_module_eeprom
1712 };
1713
1714
1715
1716
1717