drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c

   1 /*
   2  * Copyright (c) 2015, 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 #include "en.h"
  34 #include "en/port.h"
  35 #include "lib/clock.h"
  36
  37 void mlx5e_ethtool_get_drvinfo(struct mlx5e_priv *priv,
  38                                struct ethtool_drvinfo *drvinfo)
  39 {
  40         struct mlx5_core_dev *mdev = priv->mdev;
  41
  42         strlcpy(drvinfo->driver, DRIVER_NAME, sizeof(drvinfo->driver));
  43         strlcpy(drvinfo->version, DRIVER_VERSION,
  44                 sizeof(drvinfo->version));
  45         snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
  46                  "%d.%d.%04d (%.16s)",
  47                  fw_rev_maj(mdev), fw_rev_min(mdev), fw_rev_sub(mdev),
  48                  mdev->board_id);
  49         strlcpy(drvinfo->bus_info, pci_name(mdev->pdev),
  50                 sizeof(drvinfo->bus_info));
  51 }
  52
  53 static void mlx5e_get_drvinfo(struct net_device *dev,
  54                               struct ethtool_drvinfo *drvinfo)
  55 {
  56         struct mlx5e_priv *priv = netdev_priv(dev);
  57
  58         mlx5e_ethtool_get_drvinfo(priv, drvinfo);
  59 }
  60
  61 struct ptys2ethtool_config {
  62         __ETHTOOL_DECLARE_LINK_MODE_MASK(supported);
  63         __ETHTOOL_DECLARE_LINK_MODE_MASK(advertised);
  64 };
  65
  66 static struct ptys2ethtool_config ptys2ethtool_table[MLX5E_LINK_MODES_NUMBER];
  67
  68 #define MLX5_BUILD_PTYS2ETHTOOL_CONFIG(reg_, ...)                       \
  69         ({                                                              \
  70                 struct ptys2ethtool_config *cfg;                        \
  71                 const unsigned int modes[] = { __VA_ARGS__ };           \
  72                 unsigned int i;                                         \
  73                 cfg = &ptys2ethtool_table[reg_];                        \
  74                 bitmap_zero(cfg->supported,                             \
  75                             __ETHTOOL_LINK_MODE_MASK_NBITS);            \
  76                 bitmap_zero(cfg->advertised,                            \
  77                             __ETHTOOL_LINK_MODE_MASK_NBITS);            \
  78                 for (i = 0 ; i < ARRAY_SIZE(modes) ; ++i) {             \
  79                         __set_bit(modes[i], cfg->supported);            \
  80                         __set_bit(modes[i], cfg->advertised);           \
  81                 }                                                       \
  82         })
  83
  84 void mlx5e_build_ptys2ethtool_map(void)
  85 {
  86         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_1000BASE_CX_SGMII,
  87                                        ETHTOOL_LINK_MODE_1000baseKX_Full_BIT);
  88         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_1000BASE_KX,
  89                                        ETHTOOL_LINK_MODE_1000baseKX_Full_BIT);
  90         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_CX4,
  91                                        ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT);
  92         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_KX4,
  93                                        ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT);
  94         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_KR,
  95                                        ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
  96         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_20GBASE_KR2,
  97                                        ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT);
  98         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_CR4,
  99                                        ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT);
 100         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_KR4,
 101                                        ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT);
 102         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_56GBASE_R4,
 103                                        ETHTOOL_LINK_MODE_56000baseKR4_Full_BIT);
 104         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_CR,
 105                                        ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
 106         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_SR,
 107                                        ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
 108         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_ER,
 109                                        ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
 110         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_SR4,
 111                                        ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT);
 112         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_LR4,
 113                                        ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT);
 114         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GBASE_SR2,
 115                                        ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT);
 116         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_CR4,
 117                                        ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT);
 118         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_SR4,
 119                                        ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT);
 120         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_KR4,
 121                                        ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT);
 122         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_LR4,
 123                                        ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT);
 124         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_T,
 125                                        ETHTOOL_LINK_MODE_10000baseT_Full_BIT);
 126         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_CR,
 127                                        ETHTOOL_LINK_MODE_25000baseCR_Full_BIT);
 128         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_KR,
 129                                        ETHTOOL_LINK_MODE_25000baseKR_Full_BIT);
 130         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_SR,
 131                                        ETHTOOL_LINK_MODE_25000baseSR_Full_BIT);
 132         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GBASE_CR2,
 133                                        ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT);
 134         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GBASE_KR2,
 135                                        ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT);
 136 }
 137
 138 static const char mlx5e_priv_flags[][ETH_GSTRING_LEN] = {
 139         "rx_cqe_moder",
 140         "tx_cqe_moder",
 141         "rx_cqe_compress",
 142         "rx_striding_rq",
 143         "rx_no_csum_complete",
 144 };
 145
 146 int mlx5e_ethtool_get_sset_count(struct mlx5e_priv *priv, int sset)
 147 {
 148         int i, num_stats = 0;
 149
 150         switch (sset) {
 151         case ETH_SS_STATS:
 152                 for (i = 0; i < mlx5e_num_stats_grps; i++)
 153                         num_stats += mlx5e_stats_grps[i].get_num_stats(priv);
 154                 return num_stats;
 155         case ETH_SS_PRIV_FLAGS:
 156                 return ARRAY_SIZE(mlx5e_priv_flags);
 157         case ETH_SS_TEST:
 158                 return mlx5e_self_test_num(priv);
 159         /* fallthrough */
 160         default:
 161                 return -EOPNOTSUPP;
 162         }
 163 }
 164
 165 static int mlx5e_get_sset_count(struct net_device *dev, int sset)
 166 {
 167         struct mlx5e_priv *priv = netdev_priv(dev);
 168
 169         return mlx5e_ethtool_get_sset_count(priv, sset);
 170 }
 171
 172 static void mlx5e_fill_stats_strings(struct mlx5e_priv *priv, u8 *data)
 173 {
 174         int i, idx = 0;
 175
 176         for (i = 0; i < mlx5e_num_stats_grps; i++)
 177                 idx = mlx5e_stats_grps[i].fill_strings(priv, data, idx);
 178 }
 179
 180 void mlx5e_ethtool_get_strings(struct mlx5e_priv *priv, u32 stringset, u8 *data)
 181 {
 182         int i;
 183
 184         switch (stringset) {
 185         case ETH_SS_PRIV_FLAGS:
 186                 for (i = 0; i < ARRAY_SIZE(mlx5e_priv_flags); i++)
 187                         strcpy(data + i * ETH_GSTRING_LEN, mlx5e_priv_flags[i]);
 188                 break;
 189
 190         case ETH_SS_TEST:
 191                 for (i = 0; i < mlx5e_self_test_num(priv); i++)
 192                         strcpy(data + i * ETH_GSTRING_LEN,
 193                                mlx5e_self_tests[i]);
 194                 break;
 195
 196         case ETH_SS_STATS:
 197                 mlx5e_fill_stats_strings(priv, data);
 198                 break;
 199         }
 200 }
 201
 202 static void mlx5e_get_strings(struct net_device *dev, u32 stringset, u8 *data)
 203 {
 204         struct mlx5e_priv *priv = netdev_priv(dev);
 205
 206         mlx5e_ethtool_get_strings(priv, stringset, data);
 207 }
 208
 209 void mlx5e_ethtool_get_ethtool_stats(struct mlx5e_priv *priv,
 210                                      struct ethtool_stats *stats, u64 *data)
 211 {
 212         int i, idx = 0;
 213
 214         mutex_lock(&priv->state_lock);
 215         mlx5e_update_stats(priv);
 216         mutex_unlock(&priv->state_lock);
 217
 218         for (i = 0; i < mlx5e_num_stats_grps; i++)
 219                 idx = mlx5e_stats_grps[i].fill_stats(priv, data, idx);
 220 }
 221
 222 static void mlx5e_get_ethtool_stats(struct net_device *dev,
 223                                     struct ethtool_stats *stats,
 224                                     u64 *data)
 225 {
 226         struct mlx5e_priv *priv = netdev_priv(dev);
 227
 228         mlx5e_ethtool_get_ethtool_stats(priv, stats, data);
 229 }
 230
 231 void mlx5e_ethtool_get_ringparam(struct mlx5e_priv *priv,
 232                                  struct ethtool_ringparam *param)
 233 {
 234         param->rx_max_pending = 1 << MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE;
 235         param->tx_max_pending = 1 << MLX5E_PARAMS_MAXIMUM_LOG_SQ_SIZE;
 236         param->rx_pending     = 1 << priv->channels.params.log_rq_mtu_frames;
 237         param->tx_pending     = 1 << priv->channels.params.log_sq_size;
 238 }
 239
 240 static void mlx5e_get_ringparam(struct net_device *dev,
 241                                 struct ethtool_ringparam *param)
 242 {
 243         struct mlx5e_priv *priv = netdev_priv(dev);
 244
 245         mlx5e_ethtool_get_ringparam(priv, param);
 246 }
 247
 248 int mlx5e_ethtool_set_ringparam(struct mlx5e_priv *priv,
 249                                 struct ethtool_ringparam *param)
 250 {
 251         struct mlx5e_channels new_channels = {};
 252         u8 log_rq_size;
 253         u8 log_sq_size;
 254         int err = 0;
 255
 256         if (param->rx_jumbo_pending) {
 257                 netdev_info(priv->netdev, "%s: rx_jumbo_pending not supported\n",
 258                             __func__);
 259                 return -EINVAL;
 260         }
 261         if (param->rx_mini_pending) {
 262                 netdev_info(priv->netdev, "%s: rx_mini_pending not supported\n",
 263                             __func__);
 264                 return -EINVAL;
 265         }
 266
 267         if (param->rx_pending < (1 << MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE)) {
 268                 netdev_info(priv->netdev, "%s: rx_pending (%d) < min (%d)\n",
 269                             __func__, param->rx_pending,
 270                             1 << MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE);
 271                 return -EINVAL;
 272         }
 273
 274         if (param->tx_pending < (1 << MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE)) {
 275                 netdev_info(priv->netdev, "%s: tx_pending (%d) < min (%d)\n",
 276                             __func__, param->tx_pending,
 277                             1 << MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE);
 278                 return -EINVAL;
 279         }
 280
 281         log_rq_size = order_base_2(param->rx_pending);
 282         log_sq_size = order_base_2(param->tx_pending);
 283
 284         if (log_rq_size == priv->channels.params.log_rq_mtu_frames &&
 285             log_sq_size == priv->channels.params.log_sq_size)
 286                 return 0;
 287
 288         mutex_lock(&priv->state_lock);
 289
 290         new_channels.params = priv->channels.params;
 291         new_channels.params.log_rq_mtu_frames = log_rq_size;
 292         new_channels.params.log_sq_size = log_sq_size;
 293
 294         if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
 295                 priv->channels.params = new_channels.params;
 296                 goto unlock;
 297         }
 298
 299         err = mlx5e_open_channels(priv, &new_channels);
 300         if (err)
 301                 goto unlock;
 302
 303         mlx5e_switch_priv_channels(priv, &new_channels, NULL);
 304
 305 unlock:
 306         mutex_unlock(&priv->state_lock);
 307
 308         return err;
 309 }
 310
 311 static int mlx5e_set_ringparam(struct net_device *dev,
 312                                struct ethtool_ringparam *param)
 313 {
 314         struct mlx5e_priv *priv = netdev_priv(dev);
 315
 316         return mlx5e_ethtool_set_ringparam(priv, param);
 317 }
 318
 319 void mlx5e_ethtool_get_channels(struct mlx5e_priv *priv,
 320                                 struct ethtool_channels *ch)
 321 {
 322         ch->max_combined   = mlx5e_get_netdev_max_channels(priv->netdev);
 323         ch->combined_count = priv->channels.params.num_channels;
 324 }
 325
 326 static void mlx5e_get_channels(struct net_device *dev,
 327                                struct ethtool_channels *ch)
 328 {
 329         struct mlx5e_priv *priv = netdev_priv(dev);
 330
 331         mlx5e_ethtool_get_channels(priv, ch);
 332 }
 333
 334 int mlx5e_ethtool_set_channels(struct mlx5e_priv *priv,
 335                                struct ethtool_channels *ch)
 336 {
 337         unsigned int count = ch->combined_count;
 338         struct mlx5e_channels new_channels = {};
 339         bool arfs_enabled;
 340         int err = 0;
 341
 342         if (!count) {
 343                 netdev_info(priv->netdev, "%s: combined_count=0 not supported\n",
 344                             __func__);
 345                 return -EINVAL;
 346         }
 347
 348         if (priv->channels.params.num_channels == count)
 349                 return 0;
 350
 351         mutex_lock(&priv->state_lock);
 352
 353         new_channels.params = priv->channels.params;
 354         new_channels.params.num_channels = count;
 355         if (!netif_is_rxfh_configured(priv->netdev))
 356                 mlx5e_build_default_indir_rqt(new_channels.params.indirection_rqt,
 357                                               MLX5E_INDIR_RQT_SIZE, count);
 358
 359         if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
 360                 priv->channels.params = new_channels.params;
 361                 goto out;
 362         }
 363
 364         /* Create fresh channels with new parameters */
 365         err = mlx5e_open_channels(priv, &new_channels);
 366         if (err)
 367                 goto out;
 368
 369         arfs_enabled = priv->netdev->features & NETIF_F_NTUPLE;
 370         if (arfs_enabled)
 371                 mlx5e_arfs_disable(priv);
 372
 373         /* Switch to new channels, set new parameters and close old ones */
 374         mlx5e_switch_priv_channels(priv, &new_channels, NULL);
 375
 376         if (arfs_enabled) {
 377                 err = mlx5e_arfs_enable(priv);
 378                 if (err)
 379                         netdev_err(priv->netdev, "%s: mlx5e_arfs_enable failed: %d\n",
 380                                    __func__, err);
 381         }
 382
 383 out:
 384         mutex_unlock(&priv->state_lock);
 385
 386         return err;
 387 }
 388
 389 static int mlx5e_set_channels(struct net_device *dev,
 390                               struct ethtool_channels *ch)
 391 {
 392         struct mlx5e_priv *priv = netdev_priv(dev);
 393
 394         return mlx5e_ethtool_set_channels(priv, ch);
 395 }
 396
 397 int mlx5e_ethtool_get_coalesce(struct mlx5e_priv *priv,
 398                                struct ethtool_coalesce *coal)
 399 {
 400         struct net_dim_cq_moder *rx_moder, *tx_moder;
 401
 402         if (!MLX5_CAP_GEN(priv->mdev, cq_moderation))
 403                 return -EOPNOTSUPP;
 404
 405         rx_moder = &priv->channels.params.rx_cq_moderation;
 406         coal->rx_coalesce_usecs         = rx_moder->usec;
 407         coal->rx_max_coalesced_frames   = rx_moder->pkts;
 408         coal->use_adaptive_rx_coalesce  = priv->channels.params.rx_dim_enabled;
 409
 410         tx_moder = &priv->channels.params.tx_cq_moderation;
 411         coal->tx_coalesce_usecs         = tx_moder->usec;
 412         coal->tx_max_coalesced_frames   = tx_moder->pkts;
 413         coal->use_adaptive_tx_coalesce  = priv->channels.params.tx_dim_enabled;
 414
 415         return 0;
 416 }
 417
 418 static int mlx5e_get_coalesce(struct net_device *netdev,
 419                               struct ethtool_coalesce *coal)
 420 {
 421         struct mlx5e_priv *priv = netdev_priv(netdev);
 422
 423         return mlx5e_ethtool_get_coalesce(priv, coal);
 424 }
 425
 426 #define MLX5E_MAX_COAL_TIME             MLX5_MAX_CQ_PERIOD
 427 #define MLX5E_MAX_COAL_FRAMES           MLX5_MAX_CQ_COUNT
 428
 429 static void
 430 mlx5e_set_priv_channels_coalesce(struct mlx5e_priv *priv, struct ethtool_coalesce *coal)
 431 {
 432         struct mlx5_core_dev *mdev = priv->mdev;
 433         int tc;
 434         int i;
 435
 436         for (i = 0; i < priv->channels.num; ++i) {
 437                 struct mlx5e_channel *c = priv->channels.c[i];
 438
 439                 for (tc = 0; tc < c->num_tc; tc++) {
 440                         mlx5_core_modify_cq_moderation(mdev,
 441                                                 &c->sq[tc].cq.mcq,
 442                                                 coal->tx_coalesce_usecs,
 443                                                 coal->tx_max_coalesced_frames);
 444                 }
 445
 446                 mlx5_core_modify_cq_moderation(mdev, &c->rq.cq.mcq,
 447                                                coal->rx_coalesce_usecs,
 448                                                coal->rx_max_coalesced_frames);
 449         }
 450 }
 451
 452 int mlx5e_ethtool_set_coalesce(struct mlx5e_priv *priv,
 453                                struct ethtool_coalesce *coal)
 454 {
 455         struct net_dim_cq_moder *rx_moder, *tx_moder;
 456         struct mlx5_core_dev *mdev = priv->mdev;
 457         struct mlx5e_channels new_channels = {};
 458         int err = 0;
 459         bool reset;
 460
 461         if (!MLX5_CAP_GEN(mdev, cq_moderation))
 462                 return -EOPNOTSUPP;
 463
 464         if (coal->tx_coalesce_usecs > MLX5E_MAX_COAL_TIME ||
 465             coal->rx_coalesce_usecs > MLX5E_MAX_COAL_TIME) {
 466                 netdev_info(priv->netdev, "%s: maximum coalesce time supported is %lu usecs\n",
 467                             __func__, MLX5E_MAX_COAL_TIME);
 468                 return -ERANGE;
 469         }
 470
 471         if (coal->tx_max_coalesced_frames > MLX5E_MAX_COAL_FRAMES ||
 472             coal->rx_max_coalesced_frames > MLX5E_MAX_COAL_FRAMES) {
 473                 netdev_info(priv->netdev, "%s: maximum coalesced frames supported is %lu\n",
 474                             __func__, MLX5E_MAX_COAL_FRAMES);
 475                 return -ERANGE;
 476         }
 477
 478         mutex_lock(&priv->state_lock);
 479         new_channels.params = priv->channels.params;
 480
 481         rx_moder          = &new_channels.params.rx_cq_moderation;
 482         rx_moder->usec    = coal->rx_coalesce_usecs;
 483         rx_moder->pkts    = coal->rx_max_coalesced_frames;
 484         new_channels.params.rx_dim_enabled = !!coal->use_adaptive_rx_coalesce;
 485
 486         tx_moder          = &new_channels.params.tx_cq_moderation;
 487         tx_moder->usec    = coal->tx_coalesce_usecs;
 488         tx_moder->pkts    = coal->tx_max_coalesced_frames;
 489         new_channels.params.tx_dim_enabled = !!coal->use_adaptive_tx_coalesce;
 490
 491         if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
 492                 priv->channels.params = new_channels.params;
 493                 goto out;
 494         }
 495         /* we are opened */
 496
 497         reset = (!!coal->use_adaptive_rx_coalesce != priv->channels.params.rx_dim_enabled) ||
 498                 (!!coal->use_adaptive_tx_coalesce != priv->channels.params.tx_dim_enabled);
 499
 500         if (!reset) {
 501                 mlx5e_set_priv_channels_coalesce(priv, coal);
 502                 priv->channels.params = new_channels.params;
 503                 goto out;
 504         }
 505
 506         /* open fresh channels with new coal parameters */
 507         err = mlx5e_open_channels(priv, &new_channels);
 508         if (err)
 509                 goto out;
 510
 511         mlx5e_switch_priv_channels(priv, &new_channels, NULL);
 512
 513 out:
 514         mutex_unlock(&priv->state_lock);
 515         return err;
 516 }
 517
 518 static int mlx5e_set_coalesce(struct net_device *netdev,
 519                               struct ethtool_coalesce *coal)
 520 {
 521         struct mlx5e_priv *priv    = netdev_priv(netdev);
 522
 523         return mlx5e_ethtool_set_coalesce(priv, coal);
 524 }
 525
 526 static void ptys2ethtool_supported_link(unsigned long *supported_modes,
 527                                         u32 eth_proto_cap)
 528 {
 529         unsigned long proto_cap = eth_proto_cap;
 530         int proto;
 531
 532         for_each_set_bit(proto, &proto_cap, MLX5E_LINK_MODES_NUMBER)
 533                 bitmap_or(supported_modes, supported_modes,
 534                           ptys2ethtool_table[proto].supported,
 535                           __ETHTOOL_LINK_MODE_MASK_NBITS);
 536 }
 537
 538 static void ptys2ethtool_adver_link(unsigned long *advertising_modes,
 539                                     u32 eth_proto_cap)
 540 {
 541         unsigned long proto_cap = eth_proto_cap;
 542         int proto;
 543
 544         for_each_set_bit(proto, &proto_cap, MLX5E_LINK_MODES_NUMBER)
 545                 bitmap_or(advertising_modes, advertising_modes,
 546                           ptys2ethtool_table[proto].advertised,
 547                           __ETHTOOL_LINK_MODE_MASK_NBITS);
 548 }
 549
 550 static const u32 pplm_fec_2_ethtool[] = {
 551         [MLX5E_FEC_NOFEC] = ETHTOOL_FEC_OFF,
 552         [MLX5E_FEC_FIRECODE] = ETHTOOL_FEC_BASER,
 553         [MLX5E_FEC_RS_528_514] = ETHTOOL_FEC_RS,
 554 };
 555
 556 static u32 pplm2ethtool_fec(u_long fec_mode, unsigned long size)
 557 {
 558         int mode = 0;
 559
 560         if (!fec_mode)
 561                 return ETHTOOL_FEC_AUTO;
 562
 563         mode = find_first_bit(&fec_mode, size);
 564
 565         if (mode < ARRAY_SIZE(pplm_fec_2_ethtool))
 566                 return pplm_fec_2_ethtool[mode];
 567
 568         return 0;
 569 }
 570
 571 /* we use ETHTOOL_FEC_* offset and apply it to ETHTOOL_LINK_MODE_FEC_*_BIT */
 572 static u32 ethtool_fec2ethtool_caps(u_long ethtool_fec_code)
 573 {
 574         u32 offset;
 575
 576         offset = find_first_bit(&ethtool_fec_code, sizeof(u32));
 577         offset -= ETHTOOL_FEC_OFF_BIT;
 578         offset += ETHTOOL_LINK_MODE_FEC_NONE_BIT;
 579
 580         return offset;
 581 }
 582
 583 static int get_fec_supported_advertised(struct mlx5_core_dev *dev,
 584                                         struct ethtool_link_ksettings *link_ksettings)
 585 {
 586         u_long fec_caps = 0;
 587         u32 active_fec = 0;
 588         u32 offset;
 589         u32 bitn;
 590         int err;
 591
 592         err = mlx5e_get_fec_caps(dev, (u8 *)&fec_caps);
 593         if (err)
 594                 return (err == -EOPNOTSUPP) ? 0 : err;
 595
 596         err = mlx5e_get_fec_mode(dev, &active_fec, NULL);
 597         if (err)
 598                 return err;
 599
 600         for_each_set_bit(bitn, &fec_caps, ARRAY_SIZE(pplm_fec_2_ethtool)) {
 601                 u_long ethtool_bitmask = pplm_fec_2_ethtool[bitn];
 602
 603                 offset = ethtool_fec2ethtool_caps(ethtool_bitmask);
 604                 __set_bit(offset, link_ksettings->link_modes.supported);
 605         }
 606
 607         active_fec = pplm2ethtool_fec(active_fec, sizeof(u32) * BITS_PER_BYTE);
 608         offset = ethtool_fec2ethtool_caps(active_fec);
 609         __set_bit(offset, link_ksettings->link_modes.advertising);
 610
 611         return 0;
 612 }
 613
 614 static void ptys2ethtool_supported_advertised_port(struct ethtool_link_ksettings *link_ksettings,
 615                                                    u32 eth_proto_cap,
 616                                                    u8 connector_type)
 617 {
 618         if (!connector_type || connector_type >= MLX5E_CONNECTOR_TYPE_NUMBER) {
 619                 if (eth_proto_cap & (MLX5E_PROT_MASK(MLX5E_10GBASE_CR)
 620                                    | MLX5E_PROT_MASK(MLX5E_10GBASE_SR)
 621                                    | MLX5E_PROT_MASK(MLX5E_40GBASE_CR4)
 622                                    | MLX5E_PROT_MASK(MLX5E_40GBASE_SR4)
 623                                    | MLX5E_PROT_MASK(MLX5E_100GBASE_SR4)
 624                                    | MLX5E_PROT_MASK(MLX5E_1000BASE_CX_SGMII))) {
 625                         ethtool_link_ksettings_add_link_mode(link_ksettings,
 626                                                              supported,
 627                                                              FIBRE);
 628                         ethtool_link_ksettings_add_link_mode(link_ksettings,
 629                                                              advertising,
 630                                                              FIBRE);
 631                 }
 632
 633                 if (eth_proto_cap & (MLX5E_PROT_MASK(MLX5E_100GBASE_KR4)
 634                                    | MLX5E_PROT_MASK(MLX5E_40GBASE_KR4)
 635                                    | MLX5E_PROT_MASK(MLX5E_10GBASE_KR)
 636                                    | MLX5E_PROT_MASK(MLX5E_10GBASE_KX4)
 637                                    | MLX5E_PROT_MASK(MLX5E_1000BASE_KX))) {
 638                         ethtool_link_ksettings_add_link_mode(link_ksettings,
 639                                                              supported,
 640                                                              Backplane);
 641                         ethtool_link_ksettings_add_link_mode(link_ksettings,
 642                                                              advertising,
 643                                                              Backplane);
 644                 }
 645                 return;
 646         }
 647
 648         switch (connector_type) {
 649         case MLX5E_PORT_TP:
 650                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 651                                                      supported, TP);
 652                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 653                                                      advertising, TP);
 654                 break;
 655         case MLX5E_PORT_AUI:
 656                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 657                                                      supported, AUI);
 658                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 659                                                      advertising, AUI);
 660                 break;
 661         case MLX5E_PORT_BNC:
 662                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 663                                                      supported, BNC);
 664                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 665                                                      advertising, BNC);
 666                 break;
 667         case MLX5E_PORT_MII:
 668                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 669                                                      supported, MII);
 670                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 671                                                      advertising, MII);
 672                 break;
 673         case MLX5E_PORT_FIBRE:
 674                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 675                                                      supported, FIBRE);
 676                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 677                                                      advertising, FIBRE);
 678                 break;
 679         case MLX5E_PORT_DA:
 680                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 681                                                      supported, Backplane);
 682                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 683                                                      advertising, Backplane);
 684                 break;
 685         case MLX5E_PORT_NONE:
 686         case MLX5E_PORT_OTHER:
 687         default:
 688                 break;
 689         }
 690 }
 691
 692 static void get_speed_duplex(struct net_device *netdev,
 693                              u32 eth_proto_oper,
 694                              struct ethtool_link_ksettings *link_ksettings)
 695 {
 696         u32 speed = SPEED_UNKNOWN;
 697         u8 duplex = DUPLEX_UNKNOWN;
 698
 699         if (!netif_carrier_ok(netdev))
 700                 goto out;
 701
 702         speed = mlx5e_port_ptys2speed(eth_proto_oper);
 703         if (!speed) {
 704                 speed = SPEED_UNKNOWN;
 705                 goto out;
 706         }
 707
 708         duplex = DUPLEX_FULL;
 709
 710 out:
 711         link_ksettings->base.speed = speed;
 712         link_ksettings->base.duplex = duplex;
 713 }
 714
 715 static void get_supported(u32 eth_proto_cap,
 716                           struct ethtool_link_ksettings *link_ksettings)
 717 {
 718         unsigned long *supported = link_ksettings->link_modes.supported;
 719
 720         ptys2ethtool_supported_link(supported, eth_proto_cap);
 721         ethtool_link_ksettings_add_link_mode(link_ksettings, supported, Pause);
 722 }
 723
 724 static void get_advertising(u32 eth_proto_cap, u8 tx_pause,
 725                             u8 rx_pause,
 726                             struct ethtool_link_ksettings *link_ksettings)
 727 {
 728         unsigned long *advertising = link_ksettings->link_modes.advertising;
 729
 730         ptys2ethtool_adver_link(advertising, eth_proto_cap);
 731         if (rx_pause)
 732                 ethtool_link_ksettings_add_link_mode(link_ksettings, advertising, Pause);
 733         if (tx_pause ^ rx_pause)
 734                 ethtool_link_ksettings_add_link_mode(link_ksettings, advertising, Asym_Pause);
 735 }
 736
 737 static int ptys2connector_type[MLX5E_CONNECTOR_TYPE_NUMBER] = {
 738                 [MLX5E_PORT_UNKNOWN]            = PORT_OTHER,
 739                 [MLX5E_PORT_NONE]               = PORT_NONE,
 740                 [MLX5E_PORT_TP]                 = PORT_TP,
 741                 [MLX5E_PORT_AUI]                = PORT_AUI,
 742                 [MLX5E_PORT_BNC]                = PORT_BNC,
 743                 [MLX5E_PORT_MII]                = PORT_MII,
 744                 [MLX5E_PORT_FIBRE]              = PORT_FIBRE,
 745                 [MLX5E_PORT_DA]                 = PORT_DA,
 746                 [MLX5E_PORT_OTHER]              = PORT_OTHER,
 747         };
 748
 749 static u8 get_connector_port(u32 eth_proto, u8 connector_type)
 750 {
 751         if (connector_type && connector_type < MLX5E_CONNECTOR_TYPE_NUMBER)
 752                 return ptys2connector_type[connector_type];
 753
 754         if (eth_proto &
 755             (MLX5E_PROT_MASK(MLX5E_10GBASE_SR)   |
 756              MLX5E_PROT_MASK(MLX5E_40GBASE_SR4)  |
 757              MLX5E_PROT_MASK(MLX5E_100GBASE_SR4) |
 758              MLX5E_PROT_MASK(MLX5E_1000BASE_CX_SGMII))) {
 759                 return PORT_FIBRE;
 760         }
 761
 762         if (eth_proto &
 763             (MLX5E_PROT_MASK(MLX5E_40GBASE_CR4) |
 764              MLX5E_PROT_MASK(MLX5E_10GBASE_CR)  |
 765              MLX5E_PROT_MASK(MLX5E_100GBASE_CR4))) {
 766                 return PORT_DA;
 767         }
 768
 769         if (eth_proto &
 770             (MLX5E_PROT_MASK(MLX5E_10GBASE_KX4) |
 771              MLX5E_PROT_MASK(MLX5E_10GBASE_KR)  |
 772              MLX5E_PROT_MASK(MLX5E_40GBASE_KR4) |
 773              MLX5E_PROT_MASK(MLX5E_100GBASE_KR4))) {
 774                 return PORT_NONE;
 775         }
 776
 777         return PORT_OTHER;
 778 }
 779
 780 static void get_lp_advertising(u32 eth_proto_lp,
 781                                struct ethtool_link_ksettings *link_ksettings)
 782 {
 783         unsigned long *lp_advertising = link_ksettings->link_modes.lp_advertising;
 784
 785         ptys2ethtool_adver_link(lp_advertising, eth_proto_lp);
 786 }
 787
 788 static int mlx5e_get_link_ksettings(struct net_device *netdev,
 789                                     struct ethtool_link_ksettings *link_ksettings)
 790 {
 791         struct mlx5e_priv *priv    = netdev_priv(netdev);
 792         struct mlx5_core_dev *mdev = priv->mdev;
 793         u32 out[MLX5_ST_SZ_DW(ptys_reg)] = {0};
 794         u32 rx_pause = 0;
 795         u32 tx_pause = 0;
 796         u32 eth_proto_cap;
 797         u32 eth_proto_admin;
 798         u32 eth_proto_lp;
 799         u32 eth_proto_oper;
 800         u8 an_disable_admin;
 801         u8 an_status;
 802         u8 connector_type;
 803         int err;
 804
 805         err = mlx5_query_port_ptys(mdev, out, sizeof(out), MLX5_PTYS_EN, 1);
 806         if (err) {
 807                 netdev_err(netdev, "%s: query port ptys failed: %d\n",
 808                            __func__, err);
 809                 goto err_query_regs;
 810         }
 811
 812         eth_proto_cap    = MLX5_GET(ptys_reg, out, eth_proto_capability);
 813         eth_proto_admin  = MLX5_GET(ptys_reg, out, eth_proto_admin);
 814         eth_proto_oper   = MLX5_GET(ptys_reg, out, eth_proto_oper);
 815         eth_proto_lp     = MLX5_GET(ptys_reg, out, eth_proto_lp_advertise);
 816         an_disable_admin = MLX5_GET(ptys_reg, out, an_disable_admin);
 817         an_status        = MLX5_GET(ptys_reg, out, an_status);
 818         connector_type   = MLX5_GET(ptys_reg, out, connector_type);
 819
 820         mlx5_query_port_pause(mdev, &rx_pause, &tx_pause);
 821
 822         ethtool_link_ksettings_zero_link_mode(link_ksettings, supported);
 823         ethtool_link_ksettings_zero_link_mode(link_ksettings, advertising);
 824
 825         get_supported(eth_proto_cap, link_ksettings);
 826         get_advertising(eth_proto_admin, tx_pause, rx_pause, link_ksettings);
 827         get_speed_duplex(netdev, eth_proto_oper, link_ksettings);
 828
 829         eth_proto_oper = eth_proto_oper ? eth_proto_oper : eth_proto_cap;
 830
 831         link_ksettings->base.port = get_connector_port(eth_proto_oper,
 832                                                        connector_type);
 833         ptys2ethtool_supported_advertised_port(link_ksettings, eth_proto_admin,
 834                                                connector_type);
 835         get_lp_advertising(eth_proto_lp, link_ksettings);
 836
 837         if (an_status == MLX5_AN_COMPLETE)
 838                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 839                                                      lp_advertising, Autoneg);
 840
 841         link_ksettings->base.autoneg = an_disable_admin ? AUTONEG_DISABLE :
 842                                                           AUTONEG_ENABLE;
 843         ethtool_link_ksettings_add_link_mode(link_ksettings, supported,
 844                                              Autoneg);
 845
 846         if (get_fec_supported_advertised(mdev, link_ksettings))
 847                 netdev_dbg(netdev, "%s: FEC caps query failed: %d\n",
 848                            __func__, err);
 849
 850         if (!an_disable_admin)
 851                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 852                                                      advertising, Autoneg);
 853
 854 err_query_regs:
 855         return err;
 856 }
 857
 858 static u32 mlx5e_ethtool2ptys_adver_link(const unsigned long *link_modes)
 859 {
 860         u32 i, ptys_modes = 0;
 861
 862         for (i = 0; i < MLX5E_LINK_MODES_NUMBER; ++i) {
 863                 if (bitmap_intersects(ptys2ethtool_table[i].advertised,
 864                                       link_modes,
 865                                       __ETHTOOL_LINK_MODE_MASK_NBITS))
 866                         ptys_modes |= MLX5E_PROT_MASK(i);
 867         }
 868
 869         return ptys_modes;
 870 }
 871
 872 static int mlx5e_set_link_ksettings(struct net_device *netdev,
 873                                     const struct ethtool_link_ksettings *link_ksettings)
 874 {
 875         struct mlx5e_priv *priv    = netdev_priv(netdev);
 876         struct mlx5_core_dev *mdev = priv->mdev;
 877         u32 eth_proto_cap, eth_proto_admin;
 878         bool an_changes = false;
 879         u8 an_disable_admin;
 880         u8 an_disable_cap;
 881         bool an_disable;
 882         u32 link_modes;
 883         u8 an_status;
 884         u32 speed;
 885         int err;
 886
 887         speed = link_ksettings->base.speed;
 888
 889         link_modes = link_ksettings->base.autoneg == AUTONEG_ENABLE ?
 890                 mlx5e_ethtool2ptys_adver_link(link_ksettings->link_modes.advertising) :
 891                 mlx5e_port_speed2linkmodes(speed);
 892
 893         err = mlx5_query_port_proto_cap(mdev, &eth_proto_cap, MLX5_PTYS_EN);
 894         if (err) {
 895                 netdev_err(netdev, "%s: query port eth proto cap failed: %d\n",
 896                            __func__, err);
 897                 goto out;
 898         }
 899
 900         link_modes = link_modes & eth_proto_cap;
 901         if (!link_modes) {
 902                 netdev_err(netdev, "%s: Not supported link mode(s) requested",
 903                            __func__);
 904                 err = -EINVAL;
 905                 goto out;
 906         }
 907
 908         err = mlx5_query_port_proto_admin(mdev, &eth_proto_admin, MLX5_PTYS_EN);
 909         if (err) {
 910                 netdev_err(netdev, "%s: query port eth proto admin failed: %d\n",
 911                            __func__, err);
 912                 goto out;
 913         }
 914
 915         mlx5_query_port_autoneg(mdev, MLX5_PTYS_EN, &an_status,
 916                                 &an_disable_cap, &an_disable_admin);
 917
 918         an_disable = link_ksettings->base.autoneg == AUTONEG_DISABLE;
 919         an_changes = ((!an_disable && an_disable_admin) ||
 920                       (an_disable && !an_disable_admin));
 921
 922         if (!an_changes && link_modes == eth_proto_admin)
 923                 goto out;
 924
 925         mlx5_set_port_ptys(mdev, an_disable, link_modes, MLX5_PTYS_EN);
 926         mlx5_toggle_port_link(mdev);
 927
 928 out:
 929         return err;
 930 }
 931
 932 u32 mlx5e_ethtool_get_rxfh_key_size(struct mlx5e_priv *priv)
 933 {
 934         return sizeof(priv->channels.params.toeplitz_hash_key);
 935 }
 936
 937 static u32 mlx5e_get_rxfh_key_size(struct net_device *netdev)
 938 {
 939         struct mlx5e_priv *priv = netdev_priv(netdev);
 940
 941         return mlx5e_ethtool_get_rxfh_key_size(priv);
 942 }
 943
 944 u32 mlx5e_ethtool_get_rxfh_indir_size(struct mlx5e_priv *priv)
 945 {
 946         return MLX5E_INDIR_RQT_SIZE;
 947 }
 948
 949 static u32 mlx5e_get_rxfh_indir_size(struct net_device *netdev)
 950 {
 951         struct mlx5e_priv *priv = netdev_priv(netdev);
 952
 953         return mlx5e_ethtool_get_rxfh_indir_size(priv);
 954 }
 955
 956 static int mlx5e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
 957                           u8 *hfunc)
 958 {
 959         struct mlx5e_priv *priv = netdev_priv(netdev);
 960
 961         if (indir)
 962                 memcpy(indir, priv->channels.params.indirection_rqt,
 963                        sizeof(priv->channels.params.indirection_rqt));
 964
 965         if (key)
 966                 memcpy(key, priv->channels.params.toeplitz_hash_key,
 967                        sizeof(priv->channels.params.toeplitz_hash_key));
 968
 969         if (hfunc)
 970                 *hfunc = priv->channels.params.rss_hfunc;
 971
 972         return 0;
 973 }
 974
 975 static void mlx5e_modify_tirs_hash(struct mlx5e_priv *priv, void *in, int inlen)
 976 {
 977         void *tirc = MLX5_ADDR_OF(modify_tir_in, in, ctx);
 978         struct mlx5_core_dev *mdev = priv->mdev;
 979         int ctxlen = MLX5_ST_SZ_BYTES(tirc);
 980         int tt;
 981
 982         MLX5_SET(modify_tir_in, in, bitmask.hash, 1);
 983
 984         for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) {
 985                 memset(tirc, 0, ctxlen);
 986                 mlx5e_build_indir_tir_ctx_hash(&priv->channels.params, tt, tirc, false);
 987                 mlx5_core_modify_tir(mdev, priv->indir_tir[tt].tirn, in, inlen);
 988         }
 989
 990         if (!mlx5e_tunnel_inner_ft_supported(priv->mdev))
 991                 return;
 992
 993         for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) {
 994                 memset(tirc, 0, ctxlen);
 995                 mlx5e_build_indir_tir_ctx_hash(&priv->channels.params, tt, tirc, true);
 996                 mlx5_core_modify_tir(mdev, priv->inner_indir_tir[tt].tirn, in, inlen);
 997         }
 998 }
 999
1000 static int mlx5e_set_rxfh(struct net_device *dev, const u32 *indir,
1001                           const u8 *key, const u8 hfunc)
1002 {
1003         struct mlx5e_priv *priv = netdev_priv(dev);
1004         int inlen = MLX5_ST_SZ_BYTES(modify_tir_in);
1005         bool hash_changed = false;
1006         void *in;
1007
1008         if ((hfunc != ETH_RSS_HASH_NO_CHANGE) &&
1009             (hfunc != ETH_RSS_HASH_XOR) &&
1010             (hfunc != ETH_RSS_HASH_TOP))
1011                 return -EINVAL;
1012
1013         in = kvzalloc(inlen, GFP_KERNEL);
1014         if (!in)
1015                 return -ENOMEM;
1016
1017         mutex_lock(&priv->state_lock);
1018
1019         if (hfunc != ETH_RSS_HASH_NO_CHANGE &&
1020             hfunc != priv->channels.params.rss_hfunc) {
1021                 priv->channels.params.rss_hfunc = hfunc;
1022                 hash_changed = true;
1023         }
1024
1025         if (indir) {
1026                 memcpy(priv->channels.params.indirection_rqt, indir,
1027                        sizeof(priv->channels.params.indirection_rqt));
1028
1029                 if (test_bit(MLX5E_STATE_OPENED, &priv->state)) {
1030                         u32 rqtn = priv->indir_rqt.rqtn;
1031                         struct mlx5e_redirect_rqt_param rrp = {
1032                                 .is_rss = true,
1033                                 {
1034                                         .rss = {
1035                                                 .hfunc = priv->channels.params.rss_hfunc,
1036                                                 .channels  = &priv->channels,
1037                                         },
1038                                 },
1039                         };
1040
1041                         mlx5e_redirect_rqt(priv, rqtn, MLX5E_INDIR_RQT_SIZE, rrp);
1042                 }
1043         }
1044
1045         if (key) {
1046                 memcpy(priv->channels.params.toeplitz_hash_key, key,
1047                        sizeof(priv->channels.params.toeplitz_hash_key));
1048                 hash_changed = hash_changed ||
1049                                priv->channels.params.rss_hfunc == ETH_RSS_HASH_TOP;
1050         }
1051
1052         if (hash_changed)
1053                 mlx5e_modify_tirs_hash(priv, in, inlen);
1054
1055         mutex_unlock(&priv->state_lock);
1056
1057         kvfree(in);
1058
1059         return 0;
1060 }
1061
1062 #define MLX5E_PFC_PREVEN_AUTO_TOUT_MSEC         100
1063 #define MLX5E_PFC_PREVEN_TOUT_MAX_MSEC          8000
1064 #define MLX5E_PFC_PREVEN_MINOR_PRECENT          85
1065 #define MLX5E_PFC_PREVEN_TOUT_MIN_MSEC          80
1066 #define MLX5E_DEVICE_STALL_MINOR_WATERMARK(critical_tout) \
1067         max_t(u16, MLX5E_PFC_PREVEN_TOUT_MIN_MSEC, \
1068               (critical_tout * MLX5E_PFC_PREVEN_MINOR_PRECENT) / 100)
1069
1070 static int mlx5e_get_pfc_prevention_tout(struct net_device *netdev,
1071                                          u16 *pfc_prevention_tout)
1072 {
1073         struct mlx5e_priv *priv    = netdev_priv(netdev);
1074         struct mlx5_core_dev *mdev = priv->mdev;
1075
1076         if (!MLX5_CAP_PCAM_FEATURE((priv)->mdev, pfcc_mask) ||
1077             !MLX5_CAP_DEBUG((priv)->mdev, stall_detect))
1078                 return -EOPNOTSUPP;
1079
1080         return mlx5_query_port_stall_watermark(mdev, pfc_prevention_tout, NULL);
1081 }
1082
1083 static int mlx5e_set_pfc_prevention_tout(struct net_device *netdev,
1084                                          u16 pfc_preven)
1085 {
1086         struct mlx5e_priv *priv = netdev_priv(netdev);
1087         struct mlx5_core_dev *mdev = priv->mdev;
1088         u16 critical_tout;
1089         u16 minor;
1090
1091         if (!MLX5_CAP_PCAM_FEATURE((priv)->mdev, pfcc_mask) ||
1092             !MLX5_CAP_DEBUG((priv)->mdev, stall_detect))
1093                 return -EOPNOTSUPP;
1094
1095         critical_tout = (pfc_preven == PFC_STORM_PREVENTION_AUTO) ?
1096                         MLX5E_PFC_PREVEN_AUTO_TOUT_MSEC :
1097                         pfc_preven;
1098
1099         if (critical_tout != PFC_STORM_PREVENTION_DISABLE &&
1100             (critical_tout > MLX5E_PFC_PREVEN_TOUT_MAX_MSEC ||
1101              critical_tout < MLX5E_PFC_PREVEN_TOUT_MIN_MSEC)) {
1102                 netdev_info(netdev, "%s: pfc prevention tout not in range (%d-%d)\n",
1103                             __func__, MLX5E_PFC_PREVEN_TOUT_MIN_MSEC,
1104                             MLX5E_PFC_PREVEN_TOUT_MAX_MSEC);
1105                 return -EINVAL;
1106         }
1107
1108         minor = MLX5E_DEVICE_STALL_MINOR_WATERMARK(critical_tout);
1109         return mlx5_set_port_stall_watermark(mdev, critical_tout,
1110                                              minor);
1111 }
1112
1113 static int mlx5e_get_tunable(struct net_device *dev,
1114                              const struct ethtool_tunable *tuna,
1115                              void *data)
1116 {
1117         int err;
1118
1119         switch (tuna->id) {
1120         case ETHTOOL_PFC_PREVENTION_TOUT:
1121                 err = mlx5e_get_pfc_prevention_tout(dev, data);
1122                 break;
1123         default:
1124                 err = -EINVAL;
1125                 break;
1126         }
1127
1128         return err;
1129 }
1130
1131 static int mlx5e_set_tunable(struct net_device *dev,
1132                              const struct ethtool_tunable *tuna,
1133                              const void *data)
1134 {
1135         struct mlx5e_priv *priv = netdev_priv(dev);
1136         int err;
1137
1138         mutex_lock(&priv->state_lock);
1139
1140         switch (tuna->id) {
1141         case ETHTOOL_PFC_PREVENTION_TOUT:
1142                 err = mlx5e_set_pfc_prevention_tout(dev, *(u16 *)data);
1143                 break;
1144         default:
1145                 err = -EINVAL;
1146                 break;
1147         }
1148
1149         mutex_unlock(&priv->state_lock);
1150         return err;
1151 }
1152
1153 static void mlx5e_get_pauseparam(struct net_device *netdev,
1154                                  struct ethtool_pauseparam *pauseparam)
1155 {
1156         struct mlx5e_priv *priv    = netdev_priv(netdev);
1157         struct mlx5_core_dev *mdev = priv->mdev;
1158         int err;
1159
1160         err = mlx5_query_port_pause(mdev, &pauseparam->rx_pause,
1161                                     &pauseparam->tx_pause);
1162         if (err) {
1163                 netdev_err(netdev, "%s: mlx5_query_port_pause failed:0x%x\n",
1164                            __func__, err);
1165         }
1166 }
1167
1168 static int mlx5e_set_pauseparam(struct net_device *netdev,
1169                                 struct ethtool_pauseparam *pauseparam)
1170 {
1171         struct mlx5e_priv *priv    = netdev_priv(netdev);
1172         struct mlx5_core_dev *mdev = priv->mdev;
1173         int err;
1174
1175         if (pauseparam->autoneg)
1176                 return -EINVAL;
1177
1178         err = mlx5_set_port_pause(mdev,
1179                                   pauseparam->rx_pause ? 1 : 0,
1180                                   pauseparam->tx_pause ? 1 : 0);
1181         if (err) {
1182                 netdev_err(netdev, "%s: mlx5_set_port_pause failed:0x%x\n",
1183                            __func__, err);
1184         }
1185
1186         return err;
1187 }
1188
1189 int mlx5e_ethtool_get_ts_info(struct mlx5e_priv *priv,
1190                               struct ethtool_ts_info *info)
1191 {
1192         struct mlx5_core_dev *mdev = priv->mdev;
1193         int ret;
1194
1195         ret = ethtool_op_get_ts_info(priv->netdev, info);
1196         if (ret)
1197                 return ret;
1198
1199         info->phc_index = mlx5_clock_get_ptp_index(mdev);
1200
1201         if (!MLX5_CAP_GEN(priv->mdev, device_frequency_khz) ||
1202             info->phc_index == -1)
1203                 return 0;
1204
1205         info->so_timestamping |= SOF_TIMESTAMPING_TX_HARDWARE |
1206                                  SOF_TIMESTAMPING_RX_HARDWARE |
1207                                  SOF_TIMESTAMPING_RAW_HARDWARE;
1208
1209         info->tx_types = BIT(HWTSTAMP_TX_OFF) |
1210                          BIT(HWTSTAMP_TX_ON);
1211
1212         info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) |
1213                            BIT(HWTSTAMP_FILTER_ALL);
1214
1215         return 0;
1216 }
1217
1218 static int mlx5e_get_ts_info(struct net_device *dev,
1219                              struct ethtool_ts_info *info)
1220 {
1221         struct mlx5e_priv *priv = netdev_priv(dev);
1222
1223         return mlx5e_ethtool_get_ts_info(priv, info);
1224 }
1225
1226 static __u32 mlx5e_get_wol_supported(struct mlx5_core_dev *mdev)
1227 {
1228         __u32 ret = 0;
1229
1230         if (MLX5_CAP_GEN(mdev, wol_g))
1231                 ret |= WAKE_MAGIC;
1232
1233         if (MLX5_CAP_GEN(mdev, wol_s))
1234                 ret |= WAKE_MAGICSECURE;
1235
1236         if (MLX5_CAP_GEN(mdev, wol_a))
1237                 ret |= WAKE_ARP;
1238
1239         if (MLX5_CAP_GEN(mdev, wol_b))
1240                 ret |= WAKE_BCAST;
1241
1242         if (MLX5_CAP_GEN(mdev, wol_m))
1243                 ret |= WAKE_MCAST;
1244
1245         if (MLX5_CAP_GEN(mdev, wol_u))
1246                 ret |= WAKE_UCAST;
1247
1248         if (MLX5_CAP_GEN(mdev, wol_p))
1249                 ret |= WAKE_PHY;
1250
1251         return ret;
1252 }
1253
1254 static __u32 mlx5e_refomrat_wol_mode_mlx5_to_linux(u8 mode)
1255 {
1256         __u32 ret = 0;
1257
1258         if (mode & MLX5_WOL_MAGIC)
1259                 ret |= WAKE_MAGIC;
1260
1261         if (mode & MLX5_WOL_SECURED_MAGIC)
1262                 ret |= WAKE_MAGICSECURE;
1263
1264         if (mode & MLX5_WOL_ARP)
1265                 ret |= WAKE_ARP;
1266
1267         if (mode & MLX5_WOL_BROADCAST)
1268                 ret |= WAKE_BCAST;
1269
1270         if (mode & MLX5_WOL_MULTICAST)
1271                 ret |= WAKE_MCAST;
1272
1273         if (mode & MLX5_WOL_UNICAST)
1274                 ret |= WAKE_UCAST;
1275
1276         if (mode & MLX5_WOL_PHY_ACTIVITY)
1277                 ret |= WAKE_PHY;
1278
1279         return ret;
1280 }
1281
1282 static u8 mlx5e_refomrat_wol_mode_linux_to_mlx5(__u32 mode)
1283 {
1284         u8 ret = 0;
1285
1286         if (mode & WAKE_MAGIC)
1287                 ret |= MLX5_WOL_MAGIC;
1288
1289         if (mode & WAKE_MAGICSECURE)
1290                 ret |= MLX5_WOL_SECURED_MAGIC;
1291
1292         if (mode & WAKE_ARP)
1293                 ret |= MLX5_WOL_ARP;
1294
1295         if (mode & WAKE_BCAST)
1296                 ret |= MLX5_WOL_BROADCAST;
1297
1298         if (mode & WAKE_MCAST)
1299                 ret |= MLX5_WOL_MULTICAST;
1300
1301         if (mode & WAKE_UCAST)
1302                 ret |= MLX5_WOL_UNICAST;
1303
1304         if (mode & WAKE_PHY)
1305                 ret |= MLX5_WOL_PHY_ACTIVITY;
1306
1307         return ret;
1308 }
1309
1310 static void mlx5e_get_wol(struct net_device *netdev,
1311                           struct ethtool_wolinfo *wol)
1312 {
1313         struct mlx5e_priv *priv = netdev_priv(netdev);
1314         struct mlx5_core_dev *mdev = priv->mdev;
1315         u8 mlx5_wol_mode;
1316         int err;
1317
1318         memset(wol, 0, sizeof(*wol));
1319
1320         wol->supported = mlx5e_get_wol_supported(mdev);
1321         if (!wol->supported)
1322                 return;
1323
1324         err = mlx5_query_port_wol(mdev, &mlx5_wol_mode);
1325         if (err)
1326                 return;
1327
1328         wol->wolopts = mlx5e_refomrat_wol_mode_mlx5_to_linux(mlx5_wol_mode);
1329 }
1330
1331 static int mlx5e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1332 {
1333         struct mlx5e_priv *priv = netdev_priv(netdev);
1334         struct mlx5_core_dev *mdev = priv->mdev;
1335         __u32 wol_supported = mlx5e_get_wol_supported(mdev);
1336         u32 mlx5_wol_mode;
1337
1338         if (!wol_supported)
1339                 return -EOPNOTSUPP;
1340
1341         if (wol->wolopts & ~wol_supported)
1342                 return -EINVAL;
1343
1344         mlx5_wol_mode = mlx5e_refomrat_wol_mode_linux_to_mlx5(wol->wolopts);
1345
1346         return mlx5_set_port_wol(mdev, mlx5_wol_mode);
1347 }
1348
1349 static int mlx5e_get_fecparam(struct net_device *netdev,
1350                               struct ethtool_fecparam *fecparam)
1351 {
1352         struct mlx5e_priv *priv = netdev_priv(netdev);
1353         struct mlx5_core_dev *mdev = priv->mdev;
1354         u8 fec_configured = 0;
1355         u32 fec_active = 0;
1356         int err;
1357
1358         err = mlx5e_get_fec_mode(mdev, &fec_active, &fec_configured);
1359
1360         if (err)
1361                 return err;
1362
1363         fecparam->active_fec = pplm2ethtool_fec((u_long)fec_active,
1364                                                 sizeof(u32) * BITS_PER_BYTE);
1365
1366         if (!fecparam->active_fec)
1367                 return -EOPNOTSUPP;
1368
1369         fecparam->fec = pplm2ethtool_fec((u_long)fec_configured,
1370                                          sizeof(u8) * BITS_PER_BYTE);
1371
1372         return 0;
1373 }
1374
1375 static int mlx5e_set_fecparam(struct net_device *netdev,
1376                               struct ethtool_fecparam *fecparam)
1377 {
1378         struct mlx5e_priv *priv = netdev_priv(netdev);
1379         struct mlx5_core_dev *mdev = priv->mdev;
1380         u8 fec_policy = 0;
1381         int mode;
1382         int err;
1383
1384         for (mode = 0; mode < ARRAY_SIZE(pplm_fec_2_ethtool); mode++) {
1385                 if (!(pplm_fec_2_ethtool[mode] & fecparam->fec))
1386                         continue;
1387                 fec_policy |= (1 << mode);
1388                 break;
1389         }
1390
1391         err = mlx5e_set_fec_mode(mdev, fec_policy);
1392
1393         if (err)
1394                 return err;
1395
1396         mlx5_toggle_port_link(mdev);
1397
1398         return 0;
1399 }
1400
1401 static u32 mlx5e_get_msglevel(struct net_device *dev)
1402 {
1403         return ((struct mlx5e_priv *)netdev_priv(dev))->msglevel;
1404 }
1405
1406 static void mlx5e_set_msglevel(struct net_device *dev, u32 val)
1407 {
1408         ((struct mlx5e_priv *)netdev_priv(dev))->msglevel = val;
1409 }
1410
1411 static int mlx5e_set_phys_id(struct net_device *dev,
1412                              enum ethtool_phys_id_state state)
1413 {
1414         struct mlx5e_priv *priv = netdev_priv(dev);
1415         struct mlx5_core_dev *mdev = priv->mdev;
1416         u16 beacon_duration;
1417
1418         if (!MLX5_CAP_GEN(mdev, beacon_led))
1419                 return -EOPNOTSUPP;
1420
1421         switch (state) {
1422         case ETHTOOL_ID_ACTIVE:
1423                 beacon_duration = MLX5_BEACON_DURATION_INF;
1424                 break;
1425         case ETHTOOL_ID_INACTIVE:
1426                 beacon_duration = MLX5_BEACON_DURATION_OFF;
1427                 break;
1428         default:
1429                 return -EOPNOTSUPP;
1430         }
1431
1432         return mlx5_set_port_beacon(mdev, beacon_duration);
1433 }
1434
1435 static int mlx5e_get_module_info(struct net_device *netdev,
1436                                  struct ethtool_modinfo *modinfo)
1437 {
1438         struct mlx5e_priv *priv = netdev_priv(netdev);
1439         struct mlx5_core_dev *dev = priv->mdev;
1440         int size_read = 0;
1441         u8 data[4];
1442
1443         size_read = mlx5_query_module_eeprom(dev, 0, 2, data);
1444         if (size_read < 2)
1445                 return -EIO;
1446
1447         /* data[0] = identifier byte */
1448         switch (data[0]) {
1449         case MLX5_MODULE_ID_QSFP:
1450                 modinfo->type       = ETH_MODULE_SFF_8436;
1451                 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
1452                 break;
1453         case MLX5_MODULE_ID_QSFP_PLUS:
1454         case MLX5_MODULE_ID_QSFP28:
1455                 /* data[1] = revision id */
1456                 if (data[0] == MLX5_MODULE_ID_QSFP28 || data[1] >= 0x3) {
1457                         modinfo->type       = ETH_MODULE_SFF_8636;
1458                         modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
1459                 } else {
1460                         modinfo->type       = ETH_MODULE_SFF_8436;
1461                         modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
1462                 }
1463                 break;
1464         case MLX5_MODULE_ID_SFP:
1465                 modinfo->type       = ETH_MODULE_SFF_8472;
1466                 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
1467                 break;
1468         default:
1469                 netdev_err(priv->netdev, "%s: cable type not recognized:0x%x\n",
1470                            __func__, data[0]);
1471                 return -EINVAL;
1472         }
1473
1474         return 0;
1475 }
1476
1477 static int mlx5e_get_module_eeprom(struct net_device *netdev,
1478                                    struct ethtool_eeprom *ee,
1479                                    u8 *data)
1480 {
1481         struct mlx5e_priv *priv = netdev_priv(netdev);
1482         struct mlx5_core_dev *mdev = priv->mdev;
1483         int offset = ee->offset;
1484         int size_read;
1485         int i = 0;
1486
1487         if (!ee->len)
1488                 return -EINVAL;
1489
1490         memset(data, 0, ee->len);
1491
1492         while (i < ee->len) {
1493                 size_read = mlx5_query_module_eeprom(mdev, offset, ee->len - i,
1494                                                      data + i);
1495
1496                 if (!size_read)
1497                         /* Done reading */
1498                         return 0;
1499
1500                 if (size_read < 0) {
1501                         netdev_err(priv->netdev, "%s: mlx5_query_eeprom failed:0x%x\n",
1502                                    __func__, size_read);
1503                         return 0;
1504                 }
1505
1506                 i += size_read;
1507                 offset += size_read;
1508         }
1509
1510         return 0;
1511 }
1512
1513 typedef int (*mlx5e_pflag_handler)(struct net_device *netdev, bool enable);
1514
1515 static int set_pflag_cqe_based_moder(struct net_device *netdev, bool enable,
1516                                      bool is_rx_cq)
1517 {
1518         struct mlx5e_priv *priv = netdev_priv(netdev);
1519         struct mlx5_core_dev *mdev = priv->mdev;
1520         struct mlx5e_channels new_channels = {};
1521         bool mode_changed;
1522         u8 cq_period_mode, current_cq_period_mode;
1523         int err = 0;
1524
1525         cq_period_mode = enable ?
1526                 MLX5_CQ_PERIOD_MODE_START_FROM_CQE :
1527                 MLX5_CQ_PERIOD_MODE_START_FROM_EQE;
1528         current_cq_period_mode = is_rx_cq ?
1529                 priv->channels.params.rx_cq_moderation.cq_period_mode :
1530                 priv->channels.params.tx_cq_moderation.cq_period_mode;
1531         mode_changed = cq_period_mode != current_cq_period_mode;
1532
1533         if (cq_period_mode == MLX5_CQ_PERIOD_MODE_START_FROM_CQE &&
1534             !MLX5_CAP_GEN(mdev, cq_period_start_from_cqe))
1535                 return -EOPNOTSUPP;
1536
1537         if (!mode_changed)
1538                 return 0;
1539
1540         new_channels.params = priv->channels.params;
1541         if (is_rx_cq)
1542                 mlx5e_set_rx_cq_mode_params(&new_channels.params, cq_period_mode);
1543         else
1544                 mlx5e_set_tx_cq_mode_params(&new_channels.params, cq_period_mode);
1545
1546         if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
1547                 priv->channels.params = new_channels.params;
1548                 return 0;
1549         }
1550
1551         err = mlx5e_open_channels(priv, &new_channels);
1552         if (err)
1553                 return err;
1554
1555         mlx5e_switch_priv_channels(priv, &new_channels, NULL);
1556         return 0;
1557 }
1558
1559 static int set_pflag_tx_cqe_based_moder(struct net_device *netdev, bool enable)
1560 {
1561         return set_pflag_cqe_based_moder(netdev, enable, false);
1562 }
1563
1564 static int set_pflag_rx_cqe_based_moder(struct net_device *netdev, bool enable)
1565 {
1566         return set_pflag_cqe_based_moder(netdev, enable, true);
1567 }
1568
1569 int mlx5e_modify_rx_cqe_compression_locked(struct mlx5e_priv *priv, bool new_val)
1570 {
1571         bool curr_val = MLX5E_GET_PFLAG(&priv->channels.params, MLX5E_PFLAG_RX_CQE_COMPRESS);
1572         struct mlx5e_channels new_channels = {};
1573         int err = 0;
1574
1575         if (!MLX5_CAP_GEN(priv->mdev, cqe_compression))
1576                 return new_val ? -EOPNOTSUPP : 0;
1577
1578         if (curr_val == new_val)
1579                 return 0;
1580
1581         new_channels.params = priv->channels.params;
1582         MLX5E_SET_PFLAG(&new_channels.params, MLX5E_PFLAG_RX_CQE_COMPRESS, new_val);
1583
1584         if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
1585                 priv->channels.params = new_channels.params;
1586                 return 0;
1587         }
1588
1589         err = mlx5e_open_channels(priv, &new_channels);
1590         if (err)
1591                 return err;
1592
1593         mlx5e_switch_priv_channels(priv, &new_channels, NULL);
1594         mlx5e_dbg(DRV, priv, "MLX5E: RxCqeCmprss was turned %s\n",
1595                   MLX5E_GET_PFLAG(&priv->channels.params,
1596                                   MLX5E_PFLAG_RX_CQE_COMPRESS) ? "ON" : "OFF");
1597
1598         return 0;
1599 }
1600
1601 static int set_pflag_rx_cqe_compress(struct net_device *netdev,
1602                                      bool enable)
1603 {
1604         struct mlx5e_priv *priv = netdev_priv(netdev);
1605         struct mlx5_core_dev *mdev = priv->mdev;
1606
1607         if (!MLX5_CAP_GEN(mdev, cqe_compression))
1608                 return -EOPNOTSUPP;
1609
1610         if (enable && priv->tstamp.rx_filter != HWTSTAMP_FILTER_NONE) {
1611                 netdev_err(netdev, "Can't enable cqe compression while timestamping is enabled.\n");
1612                 return -EINVAL;
1613         }
1614
1615         mlx5e_modify_rx_cqe_compression_locked(priv, enable);
1616         priv->channels.params.rx_cqe_compress_def = enable;
1617
1618         return 0;
1619 }
1620
1621 static int set_pflag_rx_striding_rq(struct net_device *netdev, bool enable)
1622 {
1623         struct mlx5e_priv *priv = netdev_priv(netdev);
1624         struct mlx5_core_dev *mdev = priv->mdev;
1625         struct mlx5e_channels new_channels = {};
1626         int err;
1627
1628         if (enable) {
1629                 if (!mlx5e_check_fragmented_striding_rq_cap(mdev))
1630                         return -EOPNOTSUPP;
1631                 if (!mlx5e_striding_rq_possible(mdev, &priv->channels.params))
1632                         return -EINVAL;
1633         } else if (priv->channels.params.lro_en) {
1634                 netdev_warn(netdev, "Can't set legacy RQ with LRO, disable LRO first\n");
1635                 return -EINVAL;
1636         }
1637
1638         new_channels.params = priv->channels.params;
1639
1640         MLX5E_SET_PFLAG(&new_channels.params, MLX5E_PFLAG_RX_STRIDING_RQ, enable);
1641         mlx5e_set_rq_type(mdev, &new_channels.params);
1642
1643         if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
1644                 priv->channels.params = new_channels.params;
1645                 return 0;
1646         }
1647
1648         err = mlx5e_open_channels(priv, &new_channels);
1649         if (err)
1650                 return err;
1651
1652         mlx5e_switch_priv_channels(priv, &new_channels, NULL);
1653         return 0;
1654 }
1655
1656 static int set_pflag_rx_no_csum_complete(struct net_device *netdev, bool enable)
1657 {
1658         struct mlx5e_priv *priv = netdev_priv(netdev);
1659         struct mlx5e_channels *channels = &priv->channels;
1660         struct mlx5e_channel *c;
1661         int i;
1662
1663         if (!test_bit(MLX5E_STATE_OPENED, &priv->state))
1664                 return 0;
1665
1666         for (i = 0; i < channels->num; i++) {
1667                 c = channels->c[i];
1668                 if (enable)
1669                         __set_bit(MLX5E_RQ_STATE_NO_CSUM_COMPLETE, &c->rq.state);
1670                 else
1671                         __clear_bit(MLX5E_RQ_STATE_NO_CSUM_COMPLETE, &c->rq.state);
1672         }
1673
1674         return 0;
1675 }
1676
1677 static int mlx5e_handle_pflag(struct net_device *netdev,
1678                               u32 wanted_flags,
1679                               enum mlx5e_priv_flag flag,
1680                               mlx5e_pflag_handler pflag_handler)
1681 {
1682         struct mlx5e_priv *priv = netdev_priv(netdev);
1683         bool enable = !!(wanted_flags & flag);
1684         u32 changes = wanted_flags ^ priv->channels.params.pflags;
1685         int err;
1686
1687         if (!(changes & flag))
1688                 return 0;
1689
1690         err = pflag_handler(netdev, enable);
1691         if (err) {
1692                 netdev_err(netdev, "%s private flag 0x%x failed err %d\n",
1693                            enable ? "Enable" : "Disable", flag, err);
1694                 return err;
1695         }
1696
1697         MLX5E_SET_PFLAG(&priv->channels.params, flag, enable);
1698         return 0;
1699 }
1700
1701 static int mlx5e_set_priv_flags(struct net_device *netdev, u32 pflags)
1702 {
1703         struct mlx5e_priv *priv = netdev_priv(netdev);
1704         int err;
1705
1706         mutex_lock(&priv->state_lock);
1707         err = mlx5e_handle_pflag(netdev, pflags,
1708                                  MLX5E_PFLAG_RX_CQE_BASED_MODER,
1709                                  set_pflag_rx_cqe_based_moder);
1710         if (err)
1711                 goto out;
1712
1713         err = mlx5e_handle_pflag(netdev, pflags,
1714                                  MLX5E_PFLAG_TX_CQE_BASED_MODER,
1715                                  set_pflag_tx_cqe_based_moder);
1716         if (err)
1717                 goto out;
1718
1719         err = mlx5e_handle_pflag(netdev, pflags,
1720                                  MLX5E_PFLAG_RX_CQE_COMPRESS,
1721                                  set_pflag_rx_cqe_compress);
1722         if (err)
1723                 goto out;
1724
1725         err = mlx5e_handle_pflag(netdev, pflags,
1726                                  MLX5E_PFLAG_RX_STRIDING_RQ,
1727                                  set_pflag_rx_striding_rq);
1728         if (err)
1729                 goto out;
1730
1731         err = mlx5e_handle_pflag(netdev, pflags,
1732                                  MLX5E_PFLAG_RX_NO_CSUM_COMPLETE,
1733                                  set_pflag_rx_no_csum_complete);
1734
1735 out:
1736         mutex_unlock(&priv->state_lock);
1737
1738         /* Need to fix some features.. */
1739         netdev_update_features(netdev);
1740
1741         return err;
1742 }
1743
1744 static u32 mlx5e_get_priv_flags(struct net_device *netdev)
1745 {
1746         struct mlx5e_priv *priv = netdev_priv(netdev);
1747
1748         return priv->channels.params.pflags;
1749 }
1750
1751 int mlx5e_ethtool_flash_device(struct mlx5e_priv *priv,
1752                                struct ethtool_flash *flash)
1753 {
1754         struct mlx5_core_dev *mdev = priv->mdev;
1755         struct net_device *dev = priv->netdev;
1756         const struct firmware *fw;
1757         int err;
1758
1759         if (flash->region != ETHTOOL_FLASH_ALL_REGIONS)
1760                 return -EOPNOTSUPP;
1761
1762         err = request_firmware_direct(&fw, flash->data, &dev->dev);
1763         if (err)
1764                 return err;
1765
1766         dev_hold(dev);
1767         rtnl_unlock();
1768
1769         err = mlx5_firmware_flash(mdev, fw);
1770         release_firmware(fw);
1771
1772         rtnl_lock();
1773         dev_put(dev);
1774         return err;
1775 }
1776
1777 static int mlx5e_flash_device(struct net_device *dev,
1778                               struct ethtool_flash *flash)
1779 {
1780         struct mlx5e_priv *priv = netdev_priv(dev);
1781
1782         return mlx5e_ethtool_flash_device(priv, flash);
1783 }
1784
1785 const struct ethtool_ops mlx5e_ethtool_ops = {
1786         .get_drvinfo       = mlx5e_get_drvinfo,
1787         .get_link          = ethtool_op_get_link,
1788         .get_strings       = mlx5e_get_strings,
1789         .get_sset_count    = mlx5e_get_sset_count,
1790         .get_ethtool_stats = mlx5e_get_ethtool_stats,
1791         .get_ringparam     = mlx5e_get_ringparam,
1792         .set_ringparam     = mlx5e_set_ringparam,
1793         .get_channels      = mlx5e_get_channels,
1794         .set_channels      = mlx5e_set_channels,
1795         .get_coalesce      = mlx5e_get_coalesce,
1796         .set_coalesce      = mlx5e_set_coalesce,
1797         .get_link_ksettings  = mlx5e_get_link_ksettings,
1798         .set_link_ksettings  = mlx5e_set_link_ksettings,
1799         .get_rxfh_key_size   = mlx5e_get_rxfh_key_size,
1800         .get_rxfh_indir_size = mlx5e_get_rxfh_indir_size,
1801         .get_rxfh          = mlx5e_get_rxfh,
1802         .set_rxfh          = mlx5e_set_rxfh,
1803 #ifdef CONFIG_MLX5_EN_RXNFC
1804         .get_rxnfc         = mlx5e_get_rxnfc,
1805         .set_rxnfc         = mlx5e_set_rxnfc,
1806 #endif
1807         .flash_device      = mlx5e_flash_device,
1808         .get_tunable       = mlx5e_get_tunable,
1809         .set_tunable       = mlx5e_set_tunable,
1810         .get_pauseparam    = mlx5e_get_pauseparam,
1811         .set_pauseparam    = mlx5e_set_pauseparam,
1812         .get_ts_info       = mlx5e_get_ts_info,
1813         .set_phys_id       = mlx5e_set_phys_id,
1814         .get_wol           = mlx5e_get_wol,
1815         .set_wol           = mlx5e_set_wol,
1816         .get_module_info   = mlx5e_get_module_info,
1817         .get_module_eeprom = mlx5e_get_module_eeprom,
1818         .get_priv_flags    = mlx5e_get_priv_flags,
1819         .set_priv_flags    = mlx5e_set_priv_flags,
1820         .self_test         = mlx5e_self_test,
1821         .get_msglevel      = mlx5e_get_msglevel,
1822         .set_msglevel      = mlx5e_set_msglevel,
1823         .get_fecparam      = mlx5e_get_fecparam,
1824         .set_fecparam      = mlx5e_set_fecparam,
1825 };