linux/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
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   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
  36void mlx5e_ethtool_get_drvinfo(struct mlx5e_priv *priv,
  37                               struct ethtool_drvinfo *drvinfo)
  38{
  39        struct mlx5_core_dev *mdev = priv->mdev;
  40
  41        strlcpy(drvinfo->driver, DRIVER_NAME, sizeof(drvinfo->driver));
  42        strlcpy(drvinfo->version, DRIVER_VERSION,
  43                sizeof(drvinfo->version));
  44        snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
  45                 "%d.%d.%04d (%.16s)",
  46                 fw_rev_maj(mdev), fw_rev_min(mdev), fw_rev_sub(mdev),
  47                 mdev->board_id);
  48        strlcpy(drvinfo->bus_info, pci_name(mdev->pdev),
  49                sizeof(drvinfo->bus_info));
  50}
  51
  52static void mlx5e_get_drvinfo(struct net_device *dev,
  53                              struct ethtool_drvinfo *drvinfo)
  54{
  55        struct mlx5e_priv *priv = netdev_priv(dev);
  56
  57        mlx5e_ethtool_get_drvinfo(priv, drvinfo);
  58}
  59
  60struct ptys2ethtool_config {
  61        __ETHTOOL_DECLARE_LINK_MODE_MASK(supported);
  62        __ETHTOOL_DECLARE_LINK_MODE_MASK(advertised);
  63};
  64
  65static struct ptys2ethtool_config ptys2ethtool_table[MLX5E_LINK_MODES_NUMBER];
  66
  67#define MLX5_BUILD_PTYS2ETHTOOL_CONFIG(reg_, ...)                       \
  68        ({                                                              \
  69                struct ptys2ethtool_config *cfg;                        \
  70                const unsigned int modes[] = { __VA_ARGS__ };           \
  71                unsigned int i;                                         \
  72                cfg = &ptys2ethtool_table[reg_];                        \
  73                bitmap_zero(cfg->supported,                             \
  74                            __ETHTOOL_LINK_MODE_MASK_NBITS);            \
  75                bitmap_zero(cfg->advertised,                            \
  76                            __ETHTOOL_LINK_MODE_MASK_NBITS);            \
  77                for (i = 0 ; i < ARRAY_SIZE(modes) ; ++i) {             \
  78                        __set_bit(modes[i], cfg->supported);            \
  79                        __set_bit(modes[i], cfg->advertised);           \
  80                }                                                       \
  81        })
  82
  83void mlx5e_build_ptys2ethtool_map(void)
  84{
  85        MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_1000BASE_CX_SGMII,
  86                                       ETHTOOL_LINK_MODE_1000baseKX_Full_BIT);
  87        MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_1000BASE_KX,
  88                                       ETHTOOL_LINK_MODE_1000baseKX_Full_BIT);
  89        MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_CX4,
  90                                       ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT);
  91        MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_KX4,
  92                                       ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT);
  93        MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_KR,
  94                                       ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
  95        MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_20GBASE_KR2,
  96                                       ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT);
  97        MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_CR4,
  98                                       ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT);
  99        MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_KR4,
 100                                       ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT);
 101        MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_56GBASE_R4,
 102                                       ETHTOOL_LINK_MODE_56000baseKR4_Full_BIT);
 103        MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_CR,
 104                                       ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
 105        MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_SR,
 106                                       ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
 107        MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_ER,
 108                                       ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
 109        MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_SR4,
 110                                       ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT);
 111        MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_LR4,
 112                                       ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT);
 113        MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GBASE_SR2,
 114                                       ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT);
 115        MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_CR4,
 116                                       ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT);
 117        MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_SR4,
 118                                       ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT);
 119        MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_KR4,
 120                                       ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT);
 121        MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_LR4,
 122                                       ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT);
 123        MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_T,
 124                                       ETHTOOL_LINK_MODE_10000baseT_Full_BIT);
 125        MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_CR,
 126                                       ETHTOOL_LINK_MODE_25000baseCR_Full_BIT);
 127        MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_KR,
 128                                       ETHTOOL_LINK_MODE_25000baseKR_Full_BIT);
 129        MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_SR,
 130                                       ETHTOOL_LINK_MODE_25000baseSR_Full_BIT);
 131        MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GBASE_CR2,
 132                                       ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT);
 133        MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GBASE_KR2,
 134                                       ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT);
 135}
 136
 137int mlx5e_ethtool_get_sset_count(struct mlx5e_priv *priv, int sset)
 138{
 139        int i, num_stats = 0;
 140
 141        switch (sset) {
 142        case ETH_SS_STATS:
 143                for (i = 0; i < mlx5e_num_stats_grps; i++)
 144                        num_stats += mlx5e_stats_grps[i].get_num_stats(priv);
 145                return num_stats;
 146        case ETH_SS_PRIV_FLAGS:
 147                return ARRAY_SIZE(mlx5e_priv_flags);
 148        case ETH_SS_TEST:
 149                return mlx5e_self_test_num(priv);
 150        /* fallthrough */
 151        default:
 152                return -EOPNOTSUPP;
 153        }
 154}
 155
 156static int mlx5e_get_sset_count(struct net_device *dev, int sset)
 157{
 158        struct mlx5e_priv *priv = netdev_priv(dev);
 159
 160        return mlx5e_ethtool_get_sset_count(priv, sset);
 161}
 162
 163static void mlx5e_fill_stats_strings(struct mlx5e_priv *priv, u8 *data)
 164{
 165        int i, idx = 0;
 166
 167        for (i = 0; i < mlx5e_num_stats_grps; i++)
 168                idx = mlx5e_stats_grps[i].fill_strings(priv, data, idx);
 169}
 170
 171void mlx5e_ethtool_get_strings(struct mlx5e_priv *priv, u32 stringset, u8 *data)
 172{
 173        int i;
 174
 175        switch (stringset) {
 176        case ETH_SS_PRIV_FLAGS:
 177                for (i = 0; i < ARRAY_SIZE(mlx5e_priv_flags); i++)
 178                        strcpy(data + i * ETH_GSTRING_LEN, mlx5e_priv_flags[i]);
 179                break;
 180
 181        case ETH_SS_TEST:
 182                for (i = 0; i < mlx5e_self_test_num(priv); i++)
 183                        strcpy(data + i * ETH_GSTRING_LEN,
 184                               mlx5e_self_tests[i]);
 185                break;
 186
 187        case ETH_SS_STATS:
 188                mlx5e_fill_stats_strings(priv, data);
 189                break;
 190        }
 191}
 192
 193static void mlx5e_get_strings(struct net_device *dev, u32 stringset, u8 *data)
 194{
 195        struct mlx5e_priv *priv = netdev_priv(dev);
 196
 197        mlx5e_ethtool_get_strings(priv, stringset, data);
 198}
 199
 200void mlx5e_ethtool_get_ethtool_stats(struct mlx5e_priv *priv,
 201                                     struct ethtool_stats *stats, u64 *data)
 202{
 203        int i, idx = 0;
 204
 205        mutex_lock(&priv->state_lock);
 206        mlx5e_update_stats(priv);
 207        mutex_unlock(&priv->state_lock);
 208
 209        for (i = 0; i < mlx5e_num_stats_grps; i++)
 210                idx = mlx5e_stats_grps[i].fill_stats(priv, data, idx);
 211}
 212
 213static void mlx5e_get_ethtool_stats(struct net_device *dev,
 214                                    struct ethtool_stats *stats,
 215                                    u64 *data)
 216{
 217        struct mlx5e_priv *priv = netdev_priv(dev);
 218
 219        mlx5e_ethtool_get_ethtool_stats(priv, stats, data);
 220}
 221
 222void mlx5e_ethtool_get_ringparam(struct mlx5e_priv *priv,
 223                                 struct ethtool_ringparam *param)
 224{
 225        param->rx_max_pending = 1 << MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE;
 226        param->tx_max_pending = 1 << MLX5E_PARAMS_MAXIMUM_LOG_SQ_SIZE;
 227        param->rx_pending     = 1 << priv->channels.params.log_rq_mtu_frames;
 228        param->tx_pending     = 1 << priv->channels.params.log_sq_size;
 229}
 230
 231static void mlx5e_get_ringparam(struct net_device *dev,
 232                                struct ethtool_ringparam *param)
 233{
 234        struct mlx5e_priv *priv = netdev_priv(dev);
 235
 236        mlx5e_ethtool_get_ringparam(priv, param);
 237}
 238
 239int mlx5e_ethtool_set_ringparam(struct mlx5e_priv *priv,
 240                                struct ethtool_ringparam *param)
 241{
 242        struct mlx5e_channels new_channels = {};
 243        u8 log_rq_size;
 244        u8 log_sq_size;
 245        int err = 0;
 246
 247        if (param->rx_jumbo_pending) {
 248                netdev_info(priv->netdev, "%s: rx_jumbo_pending not supported\n",
 249                            __func__);
 250                return -EINVAL;
 251        }
 252        if (param->rx_mini_pending) {
 253                netdev_info(priv->netdev, "%s: rx_mini_pending not supported\n",
 254                            __func__);
 255                return -EINVAL;
 256        }
 257
 258        if (param->rx_pending < (1 << MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE)) {
 259                netdev_info(priv->netdev, "%s: rx_pending (%d) < min (%d)\n",
 260                            __func__, param->rx_pending,
 261                            1 << MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE);
 262                return -EINVAL;
 263        }
 264
 265        if (param->tx_pending < (1 << MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE)) {
 266                netdev_info(priv->netdev, "%s: tx_pending (%d) < min (%d)\n",
 267                            __func__, param->tx_pending,
 268                            1 << MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE);
 269                return -EINVAL;
 270        }
 271
 272        log_rq_size = order_base_2(param->rx_pending);
 273        log_sq_size = order_base_2(param->tx_pending);
 274
 275        if (log_rq_size == priv->channels.params.log_rq_mtu_frames &&
 276            log_sq_size == priv->channels.params.log_sq_size)
 277                return 0;
 278
 279        mutex_lock(&priv->state_lock);
 280
 281        new_channels.params = priv->channels.params;
 282        new_channels.params.log_rq_mtu_frames = log_rq_size;
 283        new_channels.params.log_sq_size = log_sq_size;
 284
 285        if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
 286                priv->channels.params = new_channels.params;
 287                goto unlock;
 288        }
 289
 290        err = mlx5e_open_channels(priv, &new_channels);
 291        if (err)
 292                goto unlock;
 293
 294        mlx5e_switch_priv_channels(priv, &new_channels, NULL);
 295
 296unlock:
 297        mutex_unlock(&priv->state_lock);
 298
 299        return err;
 300}
 301
 302static int mlx5e_set_ringparam(struct net_device *dev,
 303                               struct ethtool_ringparam *param)
 304{
 305        struct mlx5e_priv *priv = netdev_priv(dev);
 306
 307        return mlx5e_ethtool_set_ringparam(priv, param);
 308}
 309
 310void mlx5e_ethtool_get_channels(struct mlx5e_priv *priv,
 311                                struct ethtool_channels *ch)
 312{
 313        ch->max_combined   = priv->profile->max_nch(priv->mdev);
 314        ch->combined_count = priv->channels.params.num_channels;
 315}
 316
 317static void mlx5e_get_channels(struct net_device *dev,
 318                               struct ethtool_channels *ch)
 319{
 320        struct mlx5e_priv *priv = netdev_priv(dev);
 321
 322        mlx5e_ethtool_get_channels(priv, ch);
 323}
 324
 325int mlx5e_ethtool_set_channels(struct mlx5e_priv *priv,
 326                               struct ethtool_channels *ch)
 327{
 328        unsigned int count = ch->combined_count;
 329        struct mlx5e_channels new_channels = {};
 330        bool arfs_enabled;
 331        int err = 0;
 332
 333        if (!count) {
 334                netdev_info(priv->netdev, "%s: combined_count=0 not supported\n",
 335                            __func__);
 336                return -EINVAL;
 337        }
 338
 339        if (priv->channels.params.num_channels == count)
 340                return 0;
 341
 342        mutex_lock(&priv->state_lock);
 343
 344        new_channels.params = priv->channels.params;
 345        new_channels.params.num_channels = count;
 346        if (!netif_is_rxfh_configured(priv->netdev))
 347                mlx5e_build_default_indir_rqt(new_channels.params.indirection_rqt,
 348                                              MLX5E_INDIR_RQT_SIZE, count);
 349
 350        if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
 351                priv->channels.params = new_channels.params;
 352                goto out;
 353        }
 354
 355        /* Create fresh channels with new parameters */
 356        err = mlx5e_open_channels(priv, &new_channels);
 357        if (err)
 358                goto out;
 359
 360        arfs_enabled = priv->netdev->features & NETIF_F_NTUPLE;
 361        if (arfs_enabled)
 362                mlx5e_arfs_disable(priv);
 363
 364        /* Switch to new channels, set new parameters and close old ones */
 365        mlx5e_switch_priv_channels(priv, &new_channels, NULL);
 366
 367        if (arfs_enabled) {
 368                err = mlx5e_arfs_enable(priv);
 369                if (err)
 370                        netdev_err(priv->netdev, "%s: mlx5e_arfs_enable failed: %d\n",
 371                                   __func__, err);
 372        }
 373
 374out:
 375        mutex_unlock(&priv->state_lock);
 376
 377        return err;
 378}
 379
 380static int mlx5e_set_channels(struct net_device *dev,
 381                              struct ethtool_channels *ch)
 382{
 383        struct mlx5e_priv *priv = netdev_priv(dev);
 384
 385        return mlx5e_ethtool_set_channels(priv, ch);
 386}
 387
 388int mlx5e_ethtool_get_coalesce(struct mlx5e_priv *priv,
 389                               struct ethtool_coalesce *coal)
 390{
 391        struct net_dim_cq_moder *rx_moder, *tx_moder;
 392
 393        if (!MLX5_CAP_GEN(priv->mdev, cq_moderation))
 394                return -EOPNOTSUPP;
 395
 396        rx_moder = &priv->channels.params.rx_cq_moderation;
 397        coal->rx_coalesce_usecs         = rx_moder->usec;
 398        coal->rx_max_coalesced_frames   = rx_moder->pkts;
 399        coal->use_adaptive_rx_coalesce  = priv->channels.params.rx_dim_enabled;
 400
 401        tx_moder = &priv->channels.params.tx_cq_moderation;
 402        coal->tx_coalesce_usecs         = tx_moder->usec;
 403        coal->tx_max_coalesced_frames   = tx_moder->pkts;
 404        coal->use_adaptive_tx_coalesce  = priv->channels.params.tx_dim_enabled;
 405
 406        return 0;
 407}
 408
 409static int mlx5e_get_coalesce(struct net_device *netdev,
 410                              struct ethtool_coalesce *coal)
 411{
 412        struct mlx5e_priv *priv = netdev_priv(netdev);
 413
 414        return mlx5e_ethtool_get_coalesce(priv, coal);
 415}
 416
 417#define MLX5E_MAX_COAL_TIME             MLX5_MAX_CQ_PERIOD
 418#define MLX5E_MAX_COAL_FRAMES           MLX5_MAX_CQ_COUNT
 419
 420static void
 421mlx5e_set_priv_channels_coalesce(struct mlx5e_priv *priv, struct ethtool_coalesce *coal)
 422{
 423        struct mlx5_core_dev *mdev = priv->mdev;
 424        int tc;
 425        int i;
 426
 427        for (i = 0; i < priv->channels.num; ++i) {
 428                struct mlx5e_channel *c = priv->channels.c[i];
 429
 430                for (tc = 0; tc < c->num_tc; tc++) {
 431                        mlx5_core_modify_cq_moderation(mdev,
 432                                                &c->sq[tc].cq.mcq,
 433                                                coal->tx_coalesce_usecs,
 434                                                coal->tx_max_coalesced_frames);
 435                }
 436
 437                mlx5_core_modify_cq_moderation(mdev, &c->rq.cq.mcq,
 438                                               coal->rx_coalesce_usecs,
 439                                               coal->rx_max_coalesced_frames);
 440        }
 441}
 442
 443int mlx5e_ethtool_set_coalesce(struct mlx5e_priv *priv,
 444                               struct ethtool_coalesce *coal)
 445{
 446        struct net_dim_cq_moder *rx_moder, *tx_moder;
 447        struct mlx5_core_dev *mdev = priv->mdev;
 448        struct mlx5e_channels new_channels = {};
 449        int err = 0;
 450        bool reset;
 451
 452        if (!MLX5_CAP_GEN(mdev, cq_moderation))
 453                return -EOPNOTSUPP;
 454
 455        if (coal->tx_coalesce_usecs > MLX5E_MAX_COAL_TIME ||
 456            coal->rx_coalesce_usecs > MLX5E_MAX_COAL_TIME) {
 457                netdev_info(priv->netdev, "%s: maximum coalesce time supported is %lu usecs\n",
 458                            __func__, MLX5E_MAX_COAL_TIME);
 459                return -ERANGE;
 460        }
 461
 462        if (coal->tx_max_coalesced_frames > MLX5E_MAX_COAL_FRAMES ||
 463            coal->rx_max_coalesced_frames > MLX5E_MAX_COAL_FRAMES) {
 464                netdev_info(priv->netdev, "%s: maximum coalesced frames supported is %lu\n",
 465                            __func__, MLX5E_MAX_COAL_FRAMES);
 466                return -ERANGE;
 467        }
 468
 469        mutex_lock(&priv->state_lock);
 470        new_channels.params = priv->channels.params;
 471
 472        rx_moder          = &new_channels.params.rx_cq_moderation;
 473        rx_moder->usec    = coal->rx_coalesce_usecs;
 474        rx_moder->pkts    = coal->rx_max_coalesced_frames;
 475        new_channels.params.rx_dim_enabled = !!coal->use_adaptive_rx_coalesce;
 476
 477        tx_moder          = &new_channels.params.tx_cq_moderation;
 478        tx_moder->usec    = coal->tx_coalesce_usecs;
 479        tx_moder->pkts    = coal->tx_max_coalesced_frames;
 480        new_channels.params.tx_dim_enabled = !!coal->use_adaptive_tx_coalesce;
 481
 482        if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
 483                priv->channels.params = new_channels.params;
 484                goto out;
 485        }
 486        /* we are opened */
 487
 488        reset = (!!coal->use_adaptive_rx_coalesce != priv->channels.params.rx_dim_enabled) ||
 489                (!!coal->use_adaptive_tx_coalesce != priv->channels.params.tx_dim_enabled);
 490
 491        if (!reset) {
 492                mlx5e_set_priv_channels_coalesce(priv, coal);
 493                priv->channels.params = new_channels.params;
 494                goto out;
 495        }
 496
 497        /* open fresh channels with new coal parameters */
 498        err = mlx5e_open_channels(priv, &new_channels);
 499        if (err)
 500                goto out;
 501
 502        mlx5e_switch_priv_channels(priv, &new_channels, NULL);
 503
 504out:
 505        mutex_unlock(&priv->state_lock);
 506        return err;
 507}
 508
 509static int mlx5e_set_coalesce(struct net_device *netdev,
 510                              struct ethtool_coalesce *coal)
 511{
 512        struct mlx5e_priv *priv    = netdev_priv(netdev);
 513
 514        return mlx5e_ethtool_set_coalesce(priv, coal);
 515}
 516
 517static void ptys2ethtool_supported_link(unsigned long *supported_modes,
 518                                        u32 eth_proto_cap)
 519{
 520        unsigned long proto_cap = eth_proto_cap;
 521        int proto;
 522
 523        for_each_set_bit(proto, &proto_cap, MLX5E_LINK_MODES_NUMBER)
 524                bitmap_or(supported_modes, supported_modes,
 525                          ptys2ethtool_table[proto].supported,
 526                          __ETHTOOL_LINK_MODE_MASK_NBITS);
 527}
 528
 529static void ptys2ethtool_adver_link(unsigned long *advertising_modes,
 530                                    u32 eth_proto_cap)
 531{
 532        unsigned long proto_cap = eth_proto_cap;
 533        int proto;
 534
 535        for_each_set_bit(proto, &proto_cap, MLX5E_LINK_MODES_NUMBER)
 536                bitmap_or(advertising_modes, advertising_modes,
 537                          ptys2ethtool_table[proto].advertised,
 538                          __ETHTOOL_LINK_MODE_MASK_NBITS);
 539}
 540
 541static void ptys2ethtool_supported_advertised_port(struct ethtool_link_ksettings *link_ksettings,
 542                                                   u32 eth_proto_cap,
 543                                                   u8 connector_type)
 544{
 545        if (!connector_type || connector_type >= MLX5E_CONNECTOR_TYPE_NUMBER) {
 546                if (eth_proto_cap & (MLX5E_PROT_MASK(MLX5E_10GBASE_CR)
 547                                   | MLX5E_PROT_MASK(MLX5E_10GBASE_SR)
 548                                   | MLX5E_PROT_MASK(MLX5E_40GBASE_CR4)
 549                                   | MLX5E_PROT_MASK(MLX5E_40GBASE_SR4)
 550                                   | MLX5E_PROT_MASK(MLX5E_100GBASE_SR4)
 551                                   | MLX5E_PROT_MASK(MLX5E_1000BASE_CX_SGMII))) {
 552                        ethtool_link_ksettings_add_link_mode(link_ksettings,
 553                                                             supported,
 554                                                             FIBRE);
 555                        ethtool_link_ksettings_add_link_mode(link_ksettings,
 556                                                             advertising,
 557                                                             FIBRE);
 558                }
 559
 560                if (eth_proto_cap & (MLX5E_PROT_MASK(MLX5E_100GBASE_KR4)
 561                                   | MLX5E_PROT_MASK(MLX5E_40GBASE_KR4)
 562                                   | MLX5E_PROT_MASK(MLX5E_10GBASE_KR)
 563                                   | MLX5E_PROT_MASK(MLX5E_10GBASE_KX4)
 564                                   | MLX5E_PROT_MASK(MLX5E_1000BASE_KX))) {
 565                        ethtool_link_ksettings_add_link_mode(link_ksettings,
 566                                                             supported,
 567                                                             Backplane);
 568                        ethtool_link_ksettings_add_link_mode(link_ksettings,
 569                                                             advertising,
 570                                                             Backplane);
 571                }
 572                return;
 573        }
 574
 575        switch (connector_type) {
 576        case MLX5E_PORT_TP:
 577                ethtool_link_ksettings_add_link_mode(link_ksettings,
 578                                                     supported, TP);
 579                ethtool_link_ksettings_add_link_mode(link_ksettings,
 580                                                     advertising, TP);
 581                break;
 582        case MLX5E_PORT_AUI:
 583                ethtool_link_ksettings_add_link_mode(link_ksettings,
 584                                                     supported, AUI);
 585                ethtool_link_ksettings_add_link_mode(link_ksettings,
 586                                                     advertising, AUI);
 587                break;
 588        case MLX5E_PORT_BNC:
 589                ethtool_link_ksettings_add_link_mode(link_ksettings,
 590                                                     supported, BNC);
 591                ethtool_link_ksettings_add_link_mode(link_ksettings,
 592                                                     advertising, BNC);
 593                break;
 594        case MLX5E_PORT_MII:
 595                ethtool_link_ksettings_add_link_mode(link_ksettings,
 596                                                     supported, MII);
 597                ethtool_link_ksettings_add_link_mode(link_ksettings,
 598                                                     advertising, MII);
 599                break;
 600        case MLX5E_PORT_FIBRE:
 601                ethtool_link_ksettings_add_link_mode(link_ksettings,
 602                                                     supported, FIBRE);
 603                ethtool_link_ksettings_add_link_mode(link_ksettings,
 604                                                     advertising, FIBRE);
 605                break;
 606        case MLX5E_PORT_DA:
 607                ethtool_link_ksettings_add_link_mode(link_ksettings,
 608                                                     supported, Backplane);
 609                ethtool_link_ksettings_add_link_mode(link_ksettings,
 610                                                     advertising, Backplane);
 611                break;
 612        case MLX5E_PORT_NONE:
 613        case MLX5E_PORT_OTHER:
 614        default:
 615                break;
 616        }
 617}
 618
 619static void get_speed_duplex(struct net_device *netdev,
 620                             u32 eth_proto_oper,
 621                             struct ethtool_link_ksettings *link_ksettings)
 622{
 623        u32 speed = SPEED_UNKNOWN;
 624        u8 duplex = DUPLEX_UNKNOWN;
 625
 626        if (!netif_carrier_ok(netdev))
 627                goto out;
 628
 629        speed = mlx5e_port_ptys2speed(eth_proto_oper);
 630        if (!speed) {
 631                speed = SPEED_UNKNOWN;
 632                goto out;
 633        }
 634
 635        duplex = DUPLEX_FULL;
 636
 637out:
 638        link_ksettings->base.speed = speed;
 639        link_ksettings->base.duplex = duplex;
 640}
 641
 642static void get_supported(u32 eth_proto_cap,
 643                          struct ethtool_link_ksettings *link_ksettings)
 644{
 645        unsigned long *supported = link_ksettings->link_modes.supported;
 646
 647        ptys2ethtool_supported_link(supported, eth_proto_cap);
 648        ethtool_link_ksettings_add_link_mode(link_ksettings, supported, Pause);
 649}
 650
 651static void get_advertising(u32 eth_proto_cap, u8 tx_pause,
 652                            u8 rx_pause,
 653                            struct ethtool_link_ksettings *link_ksettings)
 654{
 655        unsigned long *advertising = link_ksettings->link_modes.advertising;
 656
 657        ptys2ethtool_adver_link(advertising, eth_proto_cap);
 658        if (rx_pause)
 659                ethtool_link_ksettings_add_link_mode(link_ksettings, advertising, Pause);
 660        if (tx_pause ^ rx_pause)
 661                ethtool_link_ksettings_add_link_mode(link_ksettings, advertising, Asym_Pause);
 662}
 663
 664static int ptys2connector_type[MLX5E_CONNECTOR_TYPE_NUMBER] = {
 665                [MLX5E_PORT_UNKNOWN]            = PORT_OTHER,
 666                [MLX5E_PORT_NONE]               = PORT_NONE,
 667                [MLX5E_PORT_TP]                 = PORT_TP,
 668                [MLX5E_PORT_AUI]                = PORT_AUI,
 669                [MLX5E_PORT_BNC]                = PORT_BNC,
 670                [MLX5E_PORT_MII]                = PORT_MII,
 671                [MLX5E_PORT_FIBRE]              = PORT_FIBRE,
 672                [MLX5E_PORT_DA]                 = PORT_DA,
 673                [MLX5E_PORT_OTHER]              = PORT_OTHER,
 674        };
 675
 676static u8 get_connector_port(u32 eth_proto, u8 connector_type)
 677{
 678        if (connector_type && connector_type < MLX5E_CONNECTOR_TYPE_NUMBER)
 679                return ptys2connector_type[connector_type];
 680
 681        if (eth_proto &
 682            (MLX5E_PROT_MASK(MLX5E_10GBASE_SR)   |
 683             MLX5E_PROT_MASK(MLX5E_40GBASE_SR4)  |
 684             MLX5E_PROT_MASK(MLX5E_100GBASE_SR4) |
 685             MLX5E_PROT_MASK(MLX5E_1000BASE_CX_SGMII))) {
 686                return PORT_FIBRE;
 687        }
 688
 689        if (eth_proto &
 690            (MLX5E_PROT_MASK(MLX5E_40GBASE_CR4) |
 691             MLX5E_PROT_MASK(MLX5E_10GBASE_CR)  |
 692             MLX5E_PROT_MASK(MLX5E_100GBASE_CR4))) {
 693                return PORT_DA;
 694        }
 695
 696        if (eth_proto &
 697            (MLX5E_PROT_MASK(MLX5E_10GBASE_KX4) |
 698             MLX5E_PROT_MASK(MLX5E_10GBASE_KR)  |
 699             MLX5E_PROT_MASK(MLX5E_40GBASE_KR4) |
 700             MLX5E_PROT_MASK(MLX5E_100GBASE_KR4))) {
 701                return PORT_NONE;
 702        }
 703
 704        return PORT_OTHER;
 705}
 706
 707static void get_lp_advertising(u32 eth_proto_lp,
 708                               struct ethtool_link_ksettings *link_ksettings)
 709{
 710        unsigned long *lp_advertising = link_ksettings->link_modes.lp_advertising;
 711
 712        ptys2ethtool_adver_link(lp_advertising, eth_proto_lp);
 713}
 714
 715static int mlx5e_get_link_ksettings(struct net_device *netdev,
 716                                    struct ethtool_link_ksettings *link_ksettings)
 717{
 718        struct mlx5e_priv *priv    = netdev_priv(netdev);
 719        struct mlx5_core_dev *mdev = priv->mdev;
 720        u32 out[MLX5_ST_SZ_DW(ptys_reg)] = {0};
 721        u32 rx_pause = 0;
 722        u32 tx_pause = 0;
 723        u32 eth_proto_cap;
 724        u32 eth_proto_admin;
 725        u32 eth_proto_lp;
 726        u32 eth_proto_oper;
 727        u8 an_disable_admin;
 728        u8 an_status;
 729        u8 connector_type;
 730        int err;
 731
 732        err = mlx5_query_port_ptys(mdev, out, sizeof(out), MLX5_PTYS_EN, 1);
 733        if (err) {
 734                netdev_err(netdev, "%s: query port ptys failed: %d\n",
 735                           __func__, err);
 736                goto err_query_ptys;
 737        }
 738
 739        eth_proto_cap    = MLX5_GET(ptys_reg, out, eth_proto_capability);
 740        eth_proto_admin  = MLX5_GET(ptys_reg, out, eth_proto_admin);
 741        eth_proto_oper   = MLX5_GET(ptys_reg, out, eth_proto_oper);
 742        eth_proto_lp     = MLX5_GET(ptys_reg, out, eth_proto_lp_advertise);
 743        an_disable_admin = MLX5_GET(ptys_reg, out, an_disable_admin);
 744        an_status        = MLX5_GET(ptys_reg, out, an_status);
 745        connector_type   = MLX5_GET(ptys_reg, out, connector_type);
 746
 747        mlx5_query_port_pause(mdev, &rx_pause, &tx_pause);
 748
 749        ethtool_link_ksettings_zero_link_mode(link_ksettings, supported);
 750        ethtool_link_ksettings_zero_link_mode(link_ksettings, advertising);
 751
 752        get_supported(eth_proto_cap, link_ksettings);
 753        get_advertising(eth_proto_admin, tx_pause, rx_pause, link_ksettings);
 754        get_speed_duplex(netdev, eth_proto_oper, link_ksettings);
 755
 756        eth_proto_oper = eth_proto_oper ? eth_proto_oper : eth_proto_cap;
 757
 758        link_ksettings->base.port = get_connector_port(eth_proto_oper,
 759                                                       connector_type);
 760        ptys2ethtool_supported_advertised_port(link_ksettings, eth_proto_admin,
 761                                               connector_type);
 762        get_lp_advertising(eth_proto_lp, link_ksettings);
 763
 764        if (an_status == MLX5_AN_COMPLETE)
 765                ethtool_link_ksettings_add_link_mode(link_ksettings,
 766                                                     lp_advertising, Autoneg);
 767
 768        link_ksettings->base.autoneg = an_disable_admin ? AUTONEG_DISABLE :
 769                                                          AUTONEG_ENABLE;
 770        ethtool_link_ksettings_add_link_mode(link_ksettings, supported,
 771                                             Autoneg);
 772        if (!an_disable_admin)
 773                ethtool_link_ksettings_add_link_mode(link_ksettings,
 774                                                     advertising, Autoneg);
 775
 776err_query_ptys:
 777        return err;
 778}
 779
 780static u32 mlx5e_ethtool2ptys_adver_link(const unsigned long *link_modes)
 781{
 782        u32 i, ptys_modes = 0;
 783
 784        for (i = 0; i < MLX5E_LINK_MODES_NUMBER; ++i) {
 785                if (bitmap_intersects(ptys2ethtool_table[i].advertised,
 786                                      link_modes,
 787                                      __ETHTOOL_LINK_MODE_MASK_NBITS))
 788                        ptys_modes |= MLX5E_PROT_MASK(i);
 789        }
 790
 791        return ptys_modes;
 792}
 793
 794static int mlx5e_set_link_ksettings(struct net_device *netdev,
 795                                    const struct ethtool_link_ksettings *link_ksettings)
 796{
 797        struct mlx5e_priv *priv    = netdev_priv(netdev);
 798        struct mlx5_core_dev *mdev = priv->mdev;
 799        u32 eth_proto_cap, eth_proto_admin;
 800        bool an_changes = false;
 801        u8 an_disable_admin;
 802        u8 an_disable_cap;
 803        bool an_disable;
 804        u32 link_modes;
 805        u8 an_status;
 806        u32 speed;
 807        int err;
 808
 809        speed = link_ksettings->base.speed;
 810
 811        link_modes = link_ksettings->base.autoneg == AUTONEG_ENABLE ?
 812                mlx5e_ethtool2ptys_adver_link(link_ksettings->link_modes.advertising) :
 813                mlx5e_port_speed2linkmodes(speed);
 814
 815        err = mlx5_query_port_proto_cap(mdev, &eth_proto_cap, MLX5_PTYS_EN);
 816        if (err) {
 817                netdev_err(netdev, "%s: query port eth proto cap failed: %d\n",
 818                           __func__, err);
 819                goto out;
 820        }
 821
 822        link_modes = link_modes & eth_proto_cap;
 823        if (!link_modes) {
 824                netdev_err(netdev, "%s: Not supported link mode(s) requested",
 825                           __func__);
 826                err = -EINVAL;
 827                goto out;
 828        }
 829
 830        err = mlx5_query_port_proto_admin(mdev, &eth_proto_admin, MLX5_PTYS_EN);
 831        if (err) {
 832                netdev_err(netdev, "%s: query port eth proto admin failed: %d\n",
 833                           __func__, err);
 834                goto out;
 835        }
 836
 837        mlx5_query_port_autoneg(mdev, MLX5_PTYS_EN, &an_status,
 838                                &an_disable_cap, &an_disable_admin);
 839
 840        an_disable = link_ksettings->base.autoneg == AUTONEG_DISABLE;
 841        an_changes = ((!an_disable && an_disable_admin) ||
 842                      (an_disable && !an_disable_admin));
 843
 844        if (!an_changes && link_modes == eth_proto_admin)
 845                goto out;
 846
 847        mlx5_set_port_ptys(mdev, an_disable, link_modes, MLX5_PTYS_EN);
 848        mlx5_toggle_port_link(mdev);
 849
 850out:
 851        return err;
 852}
 853
 854static u32 mlx5e_get_rxfh_key_size(struct net_device *netdev)
 855{
 856        struct mlx5e_priv *priv = netdev_priv(netdev);
 857
 858        return sizeof(priv->channels.params.toeplitz_hash_key);
 859}
 860
 861static u32 mlx5e_get_rxfh_indir_size(struct net_device *netdev)
 862{
 863        return MLX5E_INDIR_RQT_SIZE;
 864}
 865
 866static int mlx5e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
 867                          u8 *hfunc)
 868{
 869        struct mlx5e_priv *priv = netdev_priv(netdev);
 870
 871        if (indir)
 872                memcpy(indir, priv->channels.params.indirection_rqt,
 873                       sizeof(priv->channels.params.indirection_rqt));
 874
 875        if (key)
 876                memcpy(key, priv->channels.params.toeplitz_hash_key,
 877                       sizeof(priv->channels.params.toeplitz_hash_key));
 878
 879        if (hfunc)
 880                *hfunc = priv->channels.params.rss_hfunc;
 881
 882        return 0;
 883}
 884
 885static void mlx5e_modify_tirs_hash(struct mlx5e_priv *priv, void *in, int inlen)
 886{
 887        void *tirc = MLX5_ADDR_OF(modify_tir_in, in, ctx);
 888        struct mlx5_core_dev *mdev = priv->mdev;
 889        int ctxlen = MLX5_ST_SZ_BYTES(tirc);
 890        int tt;
 891
 892        MLX5_SET(modify_tir_in, in, bitmask.hash, 1);
 893
 894        for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) {
 895                memset(tirc, 0, ctxlen);
 896                mlx5e_build_indir_tir_ctx_hash(&priv->channels.params, tt, tirc, false);
 897                mlx5_core_modify_tir(mdev, priv->indir_tir[tt].tirn, in, inlen);
 898        }
 899
 900        if (!mlx5e_tunnel_inner_ft_supported(priv->mdev))
 901                return;
 902
 903        for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) {
 904                memset(tirc, 0, ctxlen);
 905                mlx5e_build_indir_tir_ctx_hash(&priv->channels.params, tt, tirc, true);
 906                mlx5_core_modify_tir(mdev, priv->inner_indir_tir[tt].tirn, in, inlen);
 907        }
 908}
 909
 910static int mlx5e_set_rxfh(struct net_device *dev, const u32 *indir,
 911                          const u8 *key, const u8 hfunc)
 912{
 913        struct mlx5e_priv *priv = netdev_priv(dev);
 914        int inlen = MLX5_ST_SZ_BYTES(modify_tir_in);
 915        bool hash_changed = false;
 916        void *in;
 917
 918        if ((hfunc != ETH_RSS_HASH_NO_CHANGE) &&
 919            (hfunc != ETH_RSS_HASH_XOR) &&
 920            (hfunc != ETH_RSS_HASH_TOP))
 921                return -EINVAL;
 922
 923        in = kvzalloc(inlen, GFP_KERNEL);
 924        if (!in)
 925                return -ENOMEM;
 926
 927        mutex_lock(&priv->state_lock);
 928
 929        if (hfunc != ETH_RSS_HASH_NO_CHANGE &&
 930            hfunc != priv->channels.params.rss_hfunc) {
 931                priv->channels.params.rss_hfunc = hfunc;
 932                hash_changed = true;
 933        }
 934
 935        if (indir) {
 936                memcpy(priv->channels.params.indirection_rqt, indir,
 937                       sizeof(priv->channels.params.indirection_rqt));
 938
 939                if (test_bit(MLX5E_STATE_OPENED, &priv->state)) {
 940                        u32 rqtn = priv->indir_rqt.rqtn;
 941                        struct mlx5e_redirect_rqt_param rrp = {
 942                                .is_rss = true,
 943                                {
 944                                        .rss = {
 945                                                .hfunc = priv->channels.params.rss_hfunc,
 946                                                .channels  = &priv->channels,
 947                                        },
 948                                },
 949                        };
 950
 951                        mlx5e_redirect_rqt(priv, rqtn, MLX5E_INDIR_RQT_SIZE, rrp);
 952                }
 953        }
 954
 955        if (key) {
 956                memcpy(priv->channels.params.toeplitz_hash_key, key,
 957                       sizeof(priv->channels.params.toeplitz_hash_key));
 958                hash_changed = hash_changed ||
 959                               priv->channels.params.rss_hfunc == ETH_RSS_HASH_TOP;
 960        }
 961
 962        if (hash_changed)
 963                mlx5e_modify_tirs_hash(priv, in, inlen);
 964
 965        mutex_unlock(&priv->state_lock);
 966
 967        kvfree(in);
 968
 969        return 0;
 970}
 971
 972static int mlx5e_get_rxnfc(struct net_device *netdev,
 973                           struct ethtool_rxnfc *info, u32 *rule_locs)
 974{
 975        struct mlx5e_priv *priv = netdev_priv(netdev);
 976        int err = 0;
 977
 978        switch (info->cmd) {
 979        case ETHTOOL_GRXRINGS:
 980                info->data = priv->channels.params.num_channels;
 981                break;
 982        case ETHTOOL_GRXCLSRLCNT:
 983                info->rule_cnt = priv->fs.ethtool.tot_num_rules;
 984                break;
 985        case ETHTOOL_GRXCLSRULE:
 986                err = mlx5e_ethtool_get_flow(priv, info, info->fs.location);
 987                break;
 988        case ETHTOOL_GRXCLSRLALL:
 989                err = mlx5e_ethtool_get_all_flows(priv, info, rule_locs);
 990                break;
 991        default:
 992                err = -EOPNOTSUPP;
 993                break;
 994        }
 995
 996        return err;
 997}
 998
 999#define MLX5E_PFC_PREVEN_AUTO_TOUT_MSEC         100
1000#define MLX5E_PFC_PREVEN_TOUT_MAX_MSEC          8000
1001#define MLX5E_PFC_PREVEN_MINOR_PRECENT          85
1002#define MLX5E_PFC_PREVEN_TOUT_MIN_MSEC          80
1003#define MLX5E_DEVICE_STALL_MINOR_WATERMARK(critical_tout) \
1004        max_t(u16, MLX5E_PFC_PREVEN_TOUT_MIN_MSEC, \
1005              (critical_tout * MLX5E_PFC_PREVEN_MINOR_PRECENT) / 100)
1006
1007static int mlx5e_get_pfc_prevention_tout(struct net_device *netdev,
1008                                         u16 *pfc_prevention_tout)
1009{
1010        struct mlx5e_priv *priv    = netdev_priv(netdev);
1011        struct mlx5_core_dev *mdev = priv->mdev;
1012
1013        if (!MLX5_CAP_PCAM_FEATURE((priv)->mdev, pfcc_mask) ||
1014            !MLX5_CAP_DEBUG((priv)->mdev, stall_detect))
1015                return -EOPNOTSUPP;
1016
1017        return mlx5_query_port_stall_watermark(mdev, pfc_prevention_tout, NULL);
1018}
1019
1020static int mlx5e_set_pfc_prevention_tout(struct net_device *netdev,
1021                                         u16 pfc_preven)
1022{
1023        struct mlx5e_priv *priv = netdev_priv(netdev);
1024        struct mlx5_core_dev *mdev = priv->mdev;
1025        u16 critical_tout;
1026        u16 minor;
1027
1028        if (!MLX5_CAP_PCAM_FEATURE((priv)->mdev, pfcc_mask) ||
1029            !MLX5_CAP_DEBUG((priv)->mdev, stall_detect))
1030                return -EOPNOTSUPP;
1031
1032        critical_tout = (pfc_preven == PFC_STORM_PREVENTION_AUTO) ?
1033                        MLX5E_PFC_PREVEN_AUTO_TOUT_MSEC :
1034                        pfc_preven;
1035
1036        if (critical_tout != PFC_STORM_PREVENTION_DISABLE &&
1037            (critical_tout > MLX5E_PFC_PREVEN_TOUT_MAX_MSEC ||
1038             critical_tout < MLX5E_PFC_PREVEN_TOUT_MIN_MSEC)) {
1039                netdev_info(netdev, "%s: pfc prevention tout not in range (%d-%d)\n",
1040                            __func__, MLX5E_PFC_PREVEN_TOUT_MIN_MSEC,
1041                            MLX5E_PFC_PREVEN_TOUT_MAX_MSEC);
1042                return -EINVAL;
1043        }
1044
1045        minor = MLX5E_DEVICE_STALL_MINOR_WATERMARK(critical_tout);
1046        return mlx5_set_port_stall_watermark(mdev, critical_tout,
1047                                             minor);
1048}
1049
1050static int mlx5e_get_tunable(struct net_device *dev,
1051                             const struct ethtool_tunable *tuna,
1052                             void *data)
1053{
1054        int err;
1055
1056        switch (tuna->id) {
1057        case ETHTOOL_PFC_PREVENTION_TOUT:
1058                err = mlx5e_get_pfc_prevention_tout(dev, data);
1059                break;
1060        default:
1061                err = -EINVAL;
1062                break;
1063        }
1064
1065        return err;
1066}
1067
1068static int mlx5e_set_tunable(struct net_device *dev,
1069                             const struct ethtool_tunable *tuna,
1070                             const void *data)
1071{
1072        struct mlx5e_priv *priv = netdev_priv(dev);
1073        int err;
1074
1075        mutex_lock(&priv->state_lock);
1076
1077        switch (tuna->id) {
1078        case ETHTOOL_PFC_PREVENTION_TOUT:
1079                err = mlx5e_set_pfc_prevention_tout(dev, *(u16 *)data);
1080                break;
1081        default:
1082                err = -EINVAL;
1083                break;
1084        }
1085
1086        mutex_unlock(&priv->state_lock);
1087        return err;
1088}
1089
1090static void mlx5e_get_pauseparam(struct net_device *netdev,
1091                                 struct ethtool_pauseparam *pauseparam)
1092{
1093        struct mlx5e_priv *priv    = netdev_priv(netdev);
1094        struct mlx5_core_dev *mdev = priv->mdev;
1095        int err;
1096
1097        err = mlx5_query_port_pause(mdev, &pauseparam->rx_pause,
1098                                    &pauseparam->tx_pause);
1099        if (err) {
1100                netdev_err(netdev, "%s: mlx5_query_port_pause failed:0x%x\n",
1101                           __func__, err);
1102        }
1103}
1104
1105static int mlx5e_set_pauseparam(struct net_device *netdev,
1106                                struct ethtool_pauseparam *pauseparam)
1107{
1108        struct mlx5e_priv *priv    = netdev_priv(netdev);
1109        struct mlx5_core_dev *mdev = priv->mdev;
1110        int err;
1111
1112        if (pauseparam->autoneg)
1113                return -EINVAL;
1114
1115        err = mlx5_set_port_pause(mdev,
1116                                  pauseparam->rx_pause ? 1 : 0,
1117                                  pauseparam->tx_pause ? 1 : 0);
1118        if (err) {
1119                netdev_err(netdev, "%s: mlx5_set_port_pause failed:0x%x\n",
1120                           __func__, err);
1121        }
1122
1123        return err;
1124}
1125
1126int mlx5e_ethtool_get_ts_info(struct mlx5e_priv *priv,
1127                              struct ethtool_ts_info *info)
1128{
1129        struct mlx5_core_dev *mdev = priv->mdev;
1130        int ret;
1131
1132        ret = ethtool_op_get_ts_info(priv->netdev, info);
1133        if (ret)
1134                return ret;
1135
1136        info->phc_index = mdev->clock.ptp ?
1137                          ptp_clock_index(mdev->clock.ptp) : -1;
1138
1139        if (!MLX5_CAP_GEN(priv->mdev, device_frequency_khz))
1140                return 0;
1141
1142        info->so_timestamping |= SOF_TIMESTAMPING_TX_HARDWARE |
1143                                 SOF_TIMESTAMPING_RX_HARDWARE |
1144                                 SOF_TIMESTAMPING_RAW_HARDWARE;
1145
1146        info->tx_types = BIT(HWTSTAMP_TX_OFF) |
1147                         BIT(HWTSTAMP_TX_ON);
1148
1149        info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) |
1150                           BIT(HWTSTAMP_FILTER_ALL);
1151
1152        return 0;
1153}
1154
1155static int mlx5e_get_ts_info(struct net_device *dev,
1156                             struct ethtool_ts_info *info)
1157{
1158        struct mlx5e_priv *priv = netdev_priv(dev);
1159
1160        return mlx5e_ethtool_get_ts_info(priv, info);
1161}
1162
1163static __u32 mlx5e_get_wol_supported(struct mlx5_core_dev *mdev)
1164{
1165        __u32 ret = 0;
1166
1167        if (MLX5_CAP_GEN(mdev, wol_g))
1168                ret |= WAKE_MAGIC;
1169
1170        if (MLX5_CAP_GEN(mdev, wol_s))
1171                ret |= WAKE_MAGICSECURE;
1172
1173        if (MLX5_CAP_GEN(mdev, wol_a))
1174                ret |= WAKE_ARP;
1175
1176        if (MLX5_CAP_GEN(mdev, wol_b))
1177                ret |= WAKE_BCAST;
1178
1179        if (MLX5_CAP_GEN(mdev, wol_m))
1180                ret |= WAKE_MCAST;
1181
1182        if (MLX5_CAP_GEN(mdev, wol_u))
1183                ret |= WAKE_UCAST;
1184
1185        if (MLX5_CAP_GEN(mdev, wol_p))
1186                ret |= WAKE_PHY;
1187
1188        return ret;
1189}
1190
1191static __u32 mlx5e_refomrat_wol_mode_mlx5_to_linux(u8 mode)
1192{
1193        __u32 ret = 0;
1194
1195        if (mode & MLX5_WOL_MAGIC)
1196                ret |= WAKE_MAGIC;
1197
1198        if (mode & MLX5_WOL_SECURED_MAGIC)
1199                ret |= WAKE_MAGICSECURE;
1200
1201        if (mode & MLX5_WOL_ARP)
1202                ret |= WAKE_ARP;
1203
1204        if (mode & MLX5_WOL_BROADCAST)
1205                ret |= WAKE_BCAST;
1206
1207        if (mode & MLX5_WOL_MULTICAST)
1208                ret |= WAKE_MCAST;
1209
1210        if (mode & MLX5_WOL_UNICAST)
1211                ret |= WAKE_UCAST;
1212
1213        if (mode & MLX5_WOL_PHY_ACTIVITY)
1214                ret |= WAKE_PHY;
1215
1216        return ret;
1217}
1218
1219static u8 mlx5e_refomrat_wol_mode_linux_to_mlx5(__u32 mode)
1220{
1221        u8 ret = 0;
1222
1223        if (mode & WAKE_MAGIC)
1224                ret |= MLX5_WOL_MAGIC;
1225
1226        if (mode & WAKE_MAGICSECURE)
1227                ret |= MLX5_WOL_SECURED_MAGIC;
1228
1229        if (mode & WAKE_ARP)
1230                ret |= MLX5_WOL_ARP;
1231
1232        if (mode & WAKE_BCAST)
1233                ret |= MLX5_WOL_BROADCAST;
1234
1235        if (mode & WAKE_MCAST)
1236                ret |= MLX5_WOL_MULTICAST;
1237
1238        if (mode & WAKE_UCAST)
1239                ret |= MLX5_WOL_UNICAST;
1240
1241        if (mode & WAKE_PHY)
1242                ret |= MLX5_WOL_PHY_ACTIVITY;
1243
1244        return ret;
1245}
1246
1247static void mlx5e_get_wol(struct net_device *netdev,
1248                          struct ethtool_wolinfo *wol)
1249{
1250        struct mlx5e_priv *priv = netdev_priv(netdev);
1251        struct mlx5_core_dev *mdev = priv->mdev;
1252        u8 mlx5_wol_mode;
1253        int err;
1254
1255        memset(wol, 0, sizeof(*wol));
1256
1257        wol->supported = mlx5e_get_wol_supported(mdev);
1258        if (!wol->supported)
1259                return;
1260
1261        err = mlx5_query_port_wol(mdev, &mlx5_wol_mode);
1262        if (err)
1263                return;
1264
1265        wol->wolopts = mlx5e_refomrat_wol_mode_mlx5_to_linux(mlx5_wol_mode);
1266}
1267
1268static int mlx5e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1269{
1270        struct mlx5e_priv *priv = netdev_priv(netdev);
1271        struct mlx5_core_dev *mdev = priv->mdev;
1272        __u32 wol_supported = mlx5e_get_wol_supported(mdev);
1273        u32 mlx5_wol_mode;
1274
1275        if (!wol_supported)
1276                return -EOPNOTSUPP;
1277
1278        if (wol->wolopts & ~wol_supported)
1279                return -EINVAL;
1280
1281        mlx5_wol_mode = mlx5e_refomrat_wol_mode_linux_to_mlx5(wol->wolopts);
1282
1283        return mlx5_set_port_wol(mdev, mlx5_wol_mode);
1284}
1285
1286static u32 mlx5e_get_msglevel(struct net_device *dev)
1287{
1288        return ((struct mlx5e_priv *)netdev_priv(dev))->msglevel;
1289}
1290
1291static void mlx5e_set_msglevel(struct net_device *dev, u32 val)
1292{
1293        ((struct mlx5e_priv *)netdev_priv(dev))->msglevel = val;
1294}
1295
1296static int mlx5e_set_phys_id(struct net_device *dev,
1297                             enum ethtool_phys_id_state state)
1298{
1299        struct mlx5e_priv *priv = netdev_priv(dev);
1300        struct mlx5_core_dev *mdev = priv->mdev;
1301        u16 beacon_duration;
1302
1303        if (!MLX5_CAP_GEN(mdev, beacon_led))
1304                return -EOPNOTSUPP;
1305
1306        switch (state) {
1307        case ETHTOOL_ID_ACTIVE:
1308                beacon_duration = MLX5_BEACON_DURATION_INF;
1309                break;
1310        case ETHTOOL_ID_INACTIVE:
1311                beacon_duration = MLX5_BEACON_DURATION_OFF;
1312                break;
1313        default:
1314                return -EOPNOTSUPP;
1315        }
1316
1317        return mlx5_set_port_beacon(mdev, beacon_duration);
1318}
1319
1320static int mlx5e_get_module_info(struct net_device *netdev,
1321                                 struct ethtool_modinfo *modinfo)
1322{
1323        struct mlx5e_priv *priv = netdev_priv(netdev);
1324        struct mlx5_core_dev *dev = priv->mdev;
1325        int size_read = 0;
1326        u8 data[4];
1327
1328        size_read = mlx5_query_module_eeprom(dev, 0, 2, data);
1329        if (size_read < 2)
1330                return -EIO;
1331
1332        /* data[0] = identifier byte */
1333        switch (data[0]) {
1334        case MLX5_MODULE_ID_QSFP:
1335                modinfo->type       = ETH_MODULE_SFF_8436;
1336                modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
1337                break;
1338        case MLX5_MODULE_ID_QSFP_PLUS:
1339        case MLX5_MODULE_ID_QSFP28:
1340                /* data[1] = revision id */
1341                if (data[0] == MLX5_MODULE_ID_QSFP28 || data[1] >= 0x3) {
1342                        modinfo->type       = ETH_MODULE_SFF_8636;
1343                        modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
1344                } else {
1345                        modinfo->type       = ETH_MODULE_SFF_8436;
1346                        modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
1347                }
1348                break;
1349        case MLX5_MODULE_ID_SFP:
1350                modinfo->type       = ETH_MODULE_SFF_8472;
1351                modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
1352                break;
1353        default:
1354                netdev_err(priv->netdev, "%s: cable type not recognized:0x%x\n",
1355                           __func__, data[0]);
1356                return -EINVAL;
1357        }
1358
1359        return 0;
1360}
1361
1362static int mlx5e_get_module_eeprom(struct net_device *netdev,
1363                                   struct ethtool_eeprom *ee,
1364                                   u8 *data)
1365{
1366        struct mlx5e_priv *priv = netdev_priv(netdev);
1367        struct mlx5_core_dev *mdev = priv->mdev;
1368        int offset = ee->offset;
1369        int size_read;
1370        int i = 0;
1371
1372        if (!ee->len)
1373                return -EINVAL;
1374
1375        memset(data, 0, ee->len);
1376
1377        while (i < ee->len) {
1378                size_read = mlx5_query_module_eeprom(mdev, offset, ee->len - i,
1379                                                     data + i);
1380
1381                if (!size_read)
1382                        /* Done reading */
1383                        return 0;
1384
1385                if (size_read < 0) {
1386                        netdev_err(priv->netdev, "%s: mlx5_query_eeprom failed:0x%x\n",
1387                                   __func__, size_read);
1388                        return 0;
1389                }
1390
1391                i += size_read;
1392                offset += size_read;
1393        }
1394
1395        return 0;
1396}
1397
1398typedef int (*mlx5e_pflag_handler)(struct net_device *netdev, bool enable);
1399
1400static int set_pflag_cqe_based_moder(struct net_device *netdev, bool enable,
1401                                     bool is_rx_cq)
1402{
1403        struct mlx5e_priv *priv = netdev_priv(netdev);
1404        struct mlx5_core_dev *mdev = priv->mdev;
1405        struct mlx5e_channels new_channels = {};
1406        bool mode_changed;
1407        u8 cq_period_mode, current_cq_period_mode;
1408        int err = 0;
1409
1410        cq_period_mode = enable ?
1411                MLX5_CQ_PERIOD_MODE_START_FROM_CQE :
1412                MLX5_CQ_PERIOD_MODE_START_FROM_EQE;
1413        current_cq_period_mode = is_rx_cq ?
1414                priv->channels.params.rx_cq_moderation.cq_period_mode :
1415                priv->channels.params.tx_cq_moderation.cq_period_mode;
1416        mode_changed = cq_period_mode != current_cq_period_mode;
1417
1418        if (cq_period_mode == MLX5_CQ_PERIOD_MODE_START_FROM_CQE &&
1419            !MLX5_CAP_GEN(mdev, cq_period_start_from_cqe))
1420                return -EOPNOTSUPP;
1421
1422        if (!mode_changed)
1423                return 0;
1424
1425        new_channels.params = priv->channels.params;
1426        if (is_rx_cq)
1427                mlx5e_set_rx_cq_mode_params(&new_channels.params, cq_period_mode);
1428        else
1429                mlx5e_set_tx_cq_mode_params(&new_channels.params, cq_period_mode);
1430
1431        if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
1432                priv->channels.params = new_channels.params;
1433                return 0;
1434        }
1435
1436        err = mlx5e_open_channels(priv, &new_channels);
1437        if (err)
1438                return err;
1439
1440        mlx5e_switch_priv_channels(priv, &new_channels, NULL);
1441        return 0;
1442}
1443
1444static int set_pflag_tx_cqe_based_moder(struct net_device *netdev, bool enable)
1445{
1446        return set_pflag_cqe_based_moder(netdev, enable, false);
1447}
1448
1449static int set_pflag_rx_cqe_based_moder(struct net_device *netdev, bool enable)
1450{
1451        return set_pflag_cqe_based_moder(netdev, enable, true);
1452}
1453
1454int mlx5e_modify_rx_cqe_compression_locked(struct mlx5e_priv *priv, bool new_val)
1455{
1456        bool curr_val = MLX5E_GET_PFLAG(&priv->channels.params, MLX5E_PFLAG_RX_CQE_COMPRESS);
1457        struct mlx5e_channels new_channels = {};
1458        int err = 0;
1459
1460        if (!MLX5_CAP_GEN(priv->mdev, cqe_compression))
1461                return new_val ? -EOPNOTSUPP : 0;
1462
1463        if (curr_val == new_val)
1464                return 0;
1465
1466        new_channels.params = priv->channels.params;
1467        MLX5E_SET_PFLAG(&new_channels.params, MLX5E_PFLAG_RX_CQE_COMPRESS, new_val);
1468
1469        if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
1470                priv->channels.params = new_channels.params;
1471                return 0;
1472        }
1473
1474        err = mlx5e_open_channels(priv, &new_channels);
1475        if (err)
1476                return err;
1477
1478        mlx5e_switch_priv_channels(priv, &new_channels, NULL);
1479        mlx5e_dbg(DRV, priv, "MLX5E: RxCqeCmprss was turned %s\n",
1480                  MLX5E_GET_PFLAG(&priv->channels.params,
1481                                  MLX5E_PFLAG_RX_CQE_COMPRESS) ? "ON" : "OFF");
1482
1483        return 0;
1484}
1485
1486static int set_pflag_rx_cqe_compress(struct net_device *netdev,
1487                                     bool enable)
1488{
1489        struct mlx5e_priv *priv = netdev_priv(netdev);
1490        struct mlx5_core_dev *mdev = priv->mdev;
1491
1492        if (!MLX5_CAP_GEN(mdev, cqe_compression))
1493                return -EOPNOTSUPP;
1494
1495        if (enable && priv->tstamp.rx_filter != HWTSTAMP_FILTER_NONE) {
1496                netdev_err(netdev, "Can't enable cqe compression while timestamping is enabled.\n");
1497                return -EINVAL;
1498        }
1499
1500        mlx5e_modify_rx_cqe_compression_locked(priv, enable);
1501        priv->channels.params.rx_cqe_compress_def = enable;
1502
1503        return 0;
1504}
1505
1506static int set_pflag_rx_striding_rq(struct net_device *netdev, bool enable)
1507{
1508        struct mlx5e_priv *priv = netdev_priv(netdev);
1509        struct mlx5_core_dev *mdev = priv->mdev;
1510        struct mlx5e_channels new_channels = {};
1511        int err;
1512
1513        if (enable) {
1514                if (!mlx5e_check_fragmented_striding_rq_cap(mdev))
1515                        return -EOPNOTSUPP;
1516                if (!mlx5e_striding_rq_possible(mdev, &priv->channels.params))
1517                        return -EINVAL;
1518        } else if (priv->channels.params.lro_en) {
1519                netdev_warn(netdev, "Can't set legacy RQ with LRO, disable LRO first\n");
1520                return -EINVAL;
1521        }
1522
1523        new_channels.params = priv->channels.params;
1524
1525        MLX5E_SET_PFLAG(&new_channels.params, MLX5E_PFLAG_RX_STRIDING_RQ, enable);
1526        mlx5e_set_rq_type(mdev, &new_channels.params);
1527
1528        if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
1529                priv->channels.params = new_channels.params;
1530                return 0;
1531        }
1532
1533        err = mlx5e_open_channels(priv, &new_channels);
1534        if (err)
1535                return err;
1536
1537        mlx5e_switch_priv_channels(priv, &new_channels, NULL);
1538        return 0;
1539}
1540
1541static int mlx5e_handle_pflag(struct net_device *netdev,
1542                              u32 wanted_flags,
1543                              enum mlx5e_priv_flag flag,
1544                              mlx5e_pflag_handler pflag_handler)
1545{
1546        struct mlx5e_priv *priv = netdev_priv(netdev);
1547        bool enable = !!(wanted_flags & flag);
1548        u32 changes = wanted_flags ^ priv->channels.params.pflags;
1549        int err;
1550
1551        if (!(changes & flag))
1552                return 0;
1553
1554        err = pflag_handler(netdev, enable);
1555        if (err) {
1556                netdev_err(netdev, "%s private flag 0x%x failed err %d\n",
1557                           enable ? "Enable" : "Disable", flag, err);
1558                return err;
1559        }
1560
1561        MLX5E_SET_PFLAG(&priv->channels.params, flag, enable);
1562        return 0;
1563}
1564
1565static int mlx5e_set_priv_flags(struct net_device *netdev, u32 pflags)
1566{
1567        struct mlx5e_priv *priv = netdev_priv(netdev);
1568        int err;
1569
1570        mutex_lock(&priv->state_lock);
1571        err = mlx5e_handle_pflag(netdev, pflags,
1572                                 MLX5E_PFLAG_RX_CQE_BASED_MODER,
1573                                 set_pflag_rx_cqe_based_moder);
1574        if (err)
1575                goto out;
1576
1577        err = mlx5e_handle_pflag(netdev, pflags,
1578                                 MLX5E_PFLAG_TX_CQE_BASED_MODER,
1579                                 set_pflag_tx_cqe_based_moder);
1580        if (err)
1581                goto out;
1582
1583        err = mlx5e_handle_pflag(netdev, pflags,
1584                                 MLX5E_PFLAG_RX_CQE_COMPRESS,
1585                                 set_pflag_rx_cqe_compress);
1586        if (err)
1587                goto out;
1588
1589        err = mlx5e_handle_pflag(netdev, pflags,
1590                                 MLX5E_PFLAG_RX_STRIDING_RQ,
1591                                 set_pflag_rx_striding_rq);
1592
1593out:
1594        mutex_unlock(&priv->state_lock);
1595
1596        /* Need to fix some features.. */
1597        netdev_update_features(netdev);
1598
1599        return err;
1600}
1601
1602static u32 mlx5e_get_priv_flags(struct net_device *netdev)
1603{
1604        struct mlx5e_priv *priv = netdev_priv(netdev);
1605
1606        return priv->channels.params.pflags;
1607}
1608
1609static int mlx5e_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
1610{
1611        int err = 0;
1612        struct mlx5e_priv *priv = netdev_priv(dev);
1613
1614        switch (cmd->cmd) {
1615        case ETHTOOL_SRXCLSRLINS:
1616                err = mlx5e_ethtool_flow_replace(priv, &cmd->fs);
1617                break;
1618        case ETHTOOL_SRXCLSRLDEL:
1619                err = mlx5e_ethtool_flow_remove(priv, cmd->fs.location);
1620                break;
1621        default:
1622                err = -EOPNOTSUPP;
1623                break;
1624        }
1625
1626        return err;
1627}
1628
1629int mlx5e_ethtool_flash_device(struct mlx5e_priv *priv,
1630                               struct ethtool_flash *flash)
1631{
1632        struct mlx5_core_dev *mdev = priv->mdev;
1633        struct net_device *dev = priv->netdev;
1634        const struct firmware *fw;
1635        int err;
1636
1637        if (flash->region != ETHTOOL_FLASH_ALL_REGIONS)
1638                return -EOPNOTSUPP;
1639
1640        err = request_firmware_direct(&fw, flash->data, &dev->dev);
1641        if (err)
1642                return err;
1643
1644        dev_hold(dev);
1645        rtnl_unlock();
1646
1647        err = mlx5_firmware_flash(mdev, fw);
1648        release_firmware(fw);
1649
1650        rtnl_lock();
1651        dev_put(dev);
1652        return err;
1653}
1654
1655static int mlx5e_flash_device(struct net_device *dev,
1656                              struct ethtool_flash *flash)
1657{
1658        struct mlx5e_priv *priv = netdev_priv(dev);
1659
1660        return mlx5e_ethtool_flash_device(priv, flash);
1661}
1662
1663const struct ethtool_ops mlx5e_ethtool_ops = {
1664        .get_drvinfo       = mlx5e_get_drvinfo,
1665        .get_link          = ethtool_op_get_link,
1666        .get_strings       = mlx5e_get_strings,
1667        .get_sset_count    = mlx5e_get_sset_count,
1668        .get_ethtool_stats = mlx5e_get_ethtool_stats,
1669        .get_ringparam     = mlx5e_get_ringparam,
1670        .set_ringparam     = mlx5e_set_ringparam,
1671        .get_channels      = mlx5e_get_channels,
1672        .set_channels      = mlx5e_set_channels,
1673        .get_coalesce      = mlx5e_get_coalesce,
1674        .set_coalesce      = mlx5e_set_coalesce,
1675        .get_link_ksettings  = mlx5e_get_link_ksettings,
1676        .set_link_ksettings  = mlx5e_set_link_ksettings,
1677        .get_rxfh_key_size   = mlx5e_get_rxfh_key_size,
1678        .get_rxfh_indir_size = mlx5e_get_rxfh_indir_size,
1679        .get_rxfh          = mlx5e_get_rxfh,
1680        .set_rxfh          = mlx5e_set_rxfh,
1681        .get_rxnfc         = mlx5e_get_rxnfc,
1682        .set_rxnfc         = mlx5e_set_rxnfc,
1683        .flash_device      = mlx5e_flash_device,
1684        .get_tunable       = mlx5e_get_tunable,
1685        .set_tunable       = mlx5e_set_tunable,
1686        .get_pauseparam    = mlx5e_get_pauseparam,
1687        .set_pauseparam    = mlx5e_set_pauseparam,
1688        .get_ts_info       = mlx5e_get_ts_info,
1689        .set_phys_id       = mlx5e_set_phys_id,
1690        .get_wol           = mlx5e_get_wol,
1691        .set_wol           = mlx5e_set_wol,
1692        .get_module_info   = mlx5e_get_module_info,
1693        .get_module_eeprom = mlx5e_get_module_eeprom,
1694        .get_priv_flags    = mlx5e_get_priv_flags,
1695        .set_priv_flags    = mlx5e_set_priv_flags,
1696        .self_test         = mlx5e_self_test,
1697        .get_msglevel      = mlx5e_get_msglevel,
1698        .set_msglevel      = mlx5e_set_msglevel,
1699
1700};
1701