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 "en/xsk/umem.h"
  36 #include "lib/clock.h"
  37
  38 void mlx5e_ethtool_get_drvinfo(struct mlx5e_priv *priv,
  39                                struct ethtool_drvinfo *drvinfo)
  40 {
  41         struct mlx5_core_dev *mdev = priv->mdev;
  42
  43         strlcpy(drvinfo->driver, DRIVER_NAME, sizeof(drvinfo->driver));
  44         strlcpy(drvinfo->version, DRIVER_VERSION,
  45                 sizeof(drvinfo->version));
  46         snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
  47                  "%d.%d.%04d (%.16s)",
  48                  fw_rev_maj(mdev), fw_rev_min(mdev), fw_rev_sub(mdev),
  49                  mdev->board_id);
  50         strlcpy(drvinfo->bus_info, dev_name(mdev->device),
  51                 sizeof(drvinfo->bus_info));
  52 }
  53
  54 static void mlx5e_get_drvinfo(struct net_device *dev,
  55                               struct ethtool_drvinfo *drvinfo)
  56 {
  57         struct mlx5e_priv *priv = netdev_priv(dev);
  58
  59         mlx5e_ethtool_get_drvinfo(priv, drvinfo);
  60 }
  61
  62 struct ptys2ethtool_config {
  63         __ETHTOOL_DECLARE_LINK_MODE_MASK(supported);
  64         __ETHTOOL_DECLARE_LINK_MODE_MASK(advertised);
  65 };
  66
  67 static
  68 struct ptys2ethtool_config ptys2legacy_ethtool_table[MLX5E_LINK_MODES_NUMBER];
  69 static
  70 struct ptys2ethtool_config ptys2ext_ethtool_table[MLX5E_EXT_LINK_MODES_NUMBER];
  71
  72 #define MLX5_BUILD_PTYS2ETHTOOL_CONFIG(reg_, table, ...)                  \
  73         ({                                                              \
  74                 struct ptys2ethtool_config *cfg;                        \
  75                 const unsigned int modes[] = { __VA_ARGS__ };           \
  76                 unsigned int i, bit, idx;                               \
  77                 cfg = &ptys2##table##_ethtool_table[reg_];              \
  78                 bitmap_zero(cfg->supported,                             \
  79                             __ETHTOOL_LINK_MODE_MASK_NBITS);            \
  80                 bitmap_zero(cfg->advertised,                            \
  81                             __ETHTOOL_LINK_MODE_MASK_NBITS);            \
  82                 for (i = 0 ; i < ARRAY_SIZE(modes) ; ++i) {             \
  83                         bit = modes[i] % 64;                            \
  84                         idx = modes[i] / 64;                            \
  85                         __set_bit(bit, &cfg->supported[idx]);           \
  86                         __set_bit(bit, &cfg->advertised[idx]);          \
  87                 }                                                       \
  88         })
  89
  90 void mlx5e_build_ptys2ethtool_map(void)
  91 {
  92         memset(ptys2legacy_ethtool_table, 0, sizeof(ptys2legacy_ethtool_table));
  93         memset(ptys2ext_ethtool_table, 0, sizeof(ptys2ext_ethtool_table));
  94         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_1000BASE_CX_SGMII, legacy,
  95                                        ETHTOOL_LINK_MODE_1000baseKX_Full_BIT);
  96         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_1000BASE_KX, legacy,
  97                                        ETHTOOL_LINK_MODE_1000baseKX_Full_BIT);
  98         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_CX4, legacy,
  99                                        ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT);
 100         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_KX4, legacy,
 101                                        ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT);
 102         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_KR, legacy,
 103                                        ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
 104         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_20GBASE_KR2, legacy,
 105                                        ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT);
 106         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_CR4, legacy,
 107                                        ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT);
 108         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_KR4, legacy,
 109                                        ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT);
 110         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_56GBASE_R4, legacy,
 111                                        ETHTOOL_LINK_MODE_56000baseKR4_Full_BIT);
 112         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_CR, legacy,
 113                                        ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
 114         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_SR, legacy,
 115                                        ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
 116         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_ER, legacy,
 117                                        ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
 118         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_SR4, legacy,
 119                                        ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT);
 120         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_LR4, legacy,
 121                                        ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT);
 122         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GBASE_SR2, legacy,
 123                                        ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT);
 124         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_CR4, legacy,
 125                                        ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT);
 126         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_SR4, legacy,
 127                                        ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT);
 128         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_KR4, legacy,
 129                                        ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT);
 130         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_LR4, legacy,
 131                                        ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT);
 132         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_T, legacy,
 133                                        ETHTOOL_LINK_MODE_10000baseT_Full_BIT);
 134         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_CR, legacy,
 135                                        ETHTOOL_LINK_MODE_25000baseCR_Full_BIT);
 136         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_KR, legacy,
 137                                        ETHTOOL_LINK_MODE_25000baseKR_Full_BIT);
 138         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_SR, legacy,
 139                                        ETHTOOL_LINK_MODE_25000baseSR_Full_BIT);
 140         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GBASE_CR2, legacy,
 141                                        ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT);
 142         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GBASE_KR2, legacy,
 143                                        ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT);
 144         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_SGMII_100M, ext,
 145                                        ETHTOOL_LINK_MODE_100baseT_Full_BIT);
 146         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_1000BASE_X_SGMII, ext,
 147                                        ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
 148                                        ETHTOOL_LINK_MODE_1000baseKX_Full_BIT,
 149                                        ETHTOOL_LINK_MODE_1000baseX_Full_BIT);
 150         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_5GBASE_R, ext,
 151                                        ETHTOOL_LINK_MODE_5000baseT_Full_BIT);
 152         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_XFI_XAUI_1, ext,
 153                                        ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
 154                                        ETHTOOL_LINK_MODE_10000baseKR_Full_BIT,
 155                                        ETHTOOL_LINK_MODE_10000baseR_FEC_BIT,
 156                                        ETHTOOL_LINK_MODE_10000baseCR_Full_BIT,
 157                                        ETHTOOL_LINK_MODE_10000baseSR_Full_BIT,
 158                                        ETHTOOL_LINK_MODE_10000baseLR_Full_BIT,
 159                                        ETHTOOL_LINK_MODE_10000baseER_Full_BIT);
 160         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_XLAUI_4_XLPPI_4, ext,
 161                                        ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT,
 162                                        ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT,
 163                                        ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT,
 164                                        ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT);
 165         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GAUI_1_25GBASE_CR_KR, ext,
 166                                        ETHTOOL_LINK_MODE_25000baseCR_Full_BIT,
 167                                        ETHTOOL_LINK_MODE_25000baseKR_Full_BIT,
 168                                        ETHTOOL_LINK_MODE_25000baseSR_Full_BIT);
 169         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GAUI_2_LAUI_2_50GBASE_CR2_KR2,
 170                                        ext,
 171                                        ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT,
 172                                        ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT,
 173                                        ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT);
 174         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GAUI_1_LAUI_1_50GBASE_CR_KR, ext,
 175                                        ETHTOOL_LINK_MODE_50000baseKR_Full_BIT,
 176                                        ETHTOOL_LINK_MODE_50000baseSR_Full_BIT,
 177                                        ETHTOOL_LINK_MODE_50000baseCR_Full_BIT,
 178                                        ETHTOOL_LINK_MODE_50000baseLR_ER_FR_Full_BIT,
 179                                        ETHTOOL_LINK_MODE_50000baseDR_Full_BIT);
 180         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_CAUI_4_100GBASE_CR4_KR4, ext,
 181                                        ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT,
 182                                        ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT,
 183                                        ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT,
 184                                        ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT);
 185         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GAUI_2_100GBASE_CR2_KR2, ext,
 186                                        ETHTOOL_LINK_MODE_100000baseKR2_Full_BIT,
 187                                        ETHTOOL_LINK_MODE_100000baseSR2_Full_BIT,
 188                                        ETHTOOL_LINK_MODE_100000baseCR2_Full_BIT,
 189                                        ETHTOOL_LINK_MODE_100000baseLR2_ER2_FR2_Full_BIT,
 190                                        ETHTOOL_LINK_MODE_100000baseDR2_Full_BIT);
 191         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_200GAUI_4_200GBASE_CR4_KR4, ext,
 192                                        ETHTOOL_LINK_MODE_200000baseKR4_Full_BIT,
 193                                        ETHTOOL_LINK_MODE_200000baseSR4_Full_BIT,
 194                                        ETHTOOL_LINK_MODE_200000baseLR4_ER4_FR4_Full_BIT,
 195                                        ETHTOOL_LINK_MODE_200000baseDR4_Full_BIT,
 196                                        ETHTOOL_LINK_MODE_200000baseCR4_Full_BIT);
 197 }
 198
 199 static void mlx5e_ethtool_get_speed_arr(struct mlx5_core_dev *mdev,
 200                                         struct ptys2ethtool_config **arr,
 201                                         u32 *size)
 202 {
 203         bool ext = MLX5_CAP_PCAM_FEATURE(mdev, ptys_extended_ethernet);
 204
 205         *arr = ext ? ptys2ext_ethtool_table : ptys2legacy_ethtool_table;
 206         *size = ext ? ARRAY_SIZE(ptys2ext_ethtool_table) :
 207                       ARRAY_SIZE(ptys2legacy_ethtool_table);
 208 }
 209
 210 typedef int (*mlx5e_pflag_handler)(struct net_device *netdev, bool enable);
 211
 212 struct pflag_desc {
 213         char name[ETH_GSTRING_LEN];
 214         mlx5e_pflag_handler handler;
 215 };
 216
 217 static const struct pflag_desc mlx5e_priv_flags[MLX5E_NUM_PFLAGS];
 218
 219 int mlx5e_ethtool_get_sset_count(struct mlx5e_priv *priv, int sset)
 220 {
 221         switch (sset) {
 222         case ETH_SS_STATS:
 223                 return mlx5e_stats_total_num(priv);
 224         case ETH_SS_PRIV_FLAGS:
 225                 return MLX5E_NUM_PFLAGS;
 226         case ETH_SS_TEST:
 227                 return mlx5e_self_test_num(priv);
 228         /* fallthrough */
 229         default:
 230                 return -EOPNOTSUPP;
 231         }
 232 }
 233
 234 static int mlx5e_get_sset_count(struct net_device *dev, int sset)
 235 {
 236         struct mlx5e_priv *priv = netdev_priv(dev);
 237
 238         return mlx5e_ethtool_get_sset_count(priv, sset);
 239 }
 240
 241 void mlx5e_ethtool_get_strings(struct mlx5e_priv *priv, u32 stringset, u8 *data)
 242 {
 243         int i;
 244
 245         switch (stringset) {
 246         case ETH_SS_PRIV_FLAGS:
 247                 for (i = 0; i < MLX5E_NUM_PFLAGS; i++)
 248                         strcpy(data + i * ETH_GSTRING_LEN,
 249                                mlx5e_priv_flags[i].name);
 250                 break;
 251
 252         case ETH_SS_TEST:
 253                 for (i = 0; i < mlx5e_self_test_num(priv); i++)
 254                         strcpy(data + i * ETH_GSTRING_LEN,
 255                                mlx5e_self_tests[i]);
 256                 break;
 257
 258         case ETH_SS_STATS:
 259                 mlx5e_stats_fill_strings(priv, data);
 260                 break;
 261         }
 262 }
 263
 264 static void mlx5e_get_strings(struct net_device *dev, u32 stringset, u8 *data)
 265 {
 266         struct mlx5e_priv *priv = netdev_priv(dev);
 267
 268         mlx5e_ethtool_get_strings(priv, stringset, data);
 269 }
 270
 271 void mlx5e_ethtool_get_ethtool_stats(struct mlx5e_priv *priv,
 272                                      struct ethtool_stats *stats, u64 *data)
 273 {
 274         int idx = 0;
 275
 276         mutex_lock(&priv->state_lock);
 277         mlx5e_stats_update(priv);
 278         mutex_unlock(&priv->state_lock);
 279
 280         mlx5e_stats_fill(priv, data, idx);
 281 }
 282
 283 static void mlx5e_get_ethtool_stats(struct net_device *dev,
 284                                     struct ethtool_stats *stats,
 285                                     u64 *data)
 286 {
 287         struct mlx5e_priv *priv = netdev_priv(dev);
 288
 289         mlx5e_ethtool_get_ethtool_stats(priv, stats, data);
 290 }
 291
 292 void mlx5e_ethtool_get_ringparam(struct mlx5e_priv *priv,
 293                                  struct ethtool_ringparam *param)
 294 {
 295         param->rx_max_pending = 1 << MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE;
 296         param->tx_max_pending = 1 << MLX5E_PARAMS_MAXIMUM_LOG_SQ_SIZE;
 297         param->rx_pending     = 1 << priv->channels.params.log_rq_mtu_frames;
 298         param->tx_pending     = 1 << priv->channels.params.log_sq_size;
 299 }
 300
 301 static void mlx5e_get_ringparam(struct net_device *dev,
 302                                 struct ethtool_ringparam *param)
 303 {
 304         struct mlx5e_priv *priv = netdev_priv(dev);
 305
 306         mlx5e_ethtool_get_ringparam(priv, param);
 307 }
 308
 309 int mlx5e_ethtool_set_ringparam(struct mlx5e_priv *priv,
 310                                 struct ethtool_ringparam *param)
 311 {
 312         struct mlx5e_channels new_channels = {};
 313         u8 log_rq_size;
 314         u8 log_sq_size;
 315         int err = 0;
 316
 317         if (param->rx_jumbo_pending) {
 318                 netdev_info(priv->netdev, "%s: rx_jumbo_pending not supported\n",
 319                             __func__);
 320                 return -EINVAL;
 321         }
 322         if (param->rx_mini_pending) {
 323                 netdev_info(priv->netdev, "%s: rx_mini_pending not supported\n",
 324                             __func__);
 325                 return -EINVAL;
 326         }
 327
 328         if (param->rx_pending < (1 << MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE)) {
 329                 netdev_info(priv->netdev, "%s: rx_pending (%d) < min (%d)\n",
 330                             __func__, param->rx_pending,
 331                             1 << MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE);
 332                 return -EINVAL;
 333         }
 334
 335         if (param->tx_pending < (1 << MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE)) {
 336                 netdev_info(priv->netdev, "%s: tx_pending (%d) < min (%d)\n",
 337                             __func__, param->tx_pending,
 338                             1 << MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE);
 339                 return -EINVAL;
 340         }
 341
 342         log_rq_size = order_base_2(param->rx_pending);
 343         log_sq_size = order_base_2(param->tx_pending);
 344
 345         if (log_rq_size == priv->channels.params.log_rq_mtu_frames &&
 346             log_sq_size == priv->channels.params.log_sq_size)
 347                 return 0;
 348
 349         mutex_lock(&priv->state_lock);
 350
 351         new_channels.params = priv->channels.params;
 352         new_channels.params.log_rq_mtu_frames = log_rq_size;
 353         new_channels.params.log_sq_size = log_sq_size;
 354
 355         if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
 356                 priv->channels.params = new_channels.params;
 357                 goto unlock;
 358         }
 359
 360         err = mlx5e_safe_switch_channels(priv, &new_channels, NULL);
 361
 362 unlock:
 363         mutex_unlock(&priv->state_lock);
 364
 365         return err;
 366 }
 367
 368 static int mlx5e_set_ringparam(struct net_device *dev,
 369                                struct ethtool_ringparam *param)
 370 {
 371         struct mlx5e_priv *priv = netdev_priv(dev);
 372
 373         return mlx5e_ethtool_set_ringparam(priv, param);
 374 }
 375
 376 void mlx5e_ethtool_get_channels(struct mlx5e_priv *priv,
 377                                 struct ethtool_channels *ch)
 378 {
 379         mutex_lock(&priv->state_lock);
 380
 381         ch->max_combined   = priv->max_nch;
 382         ch->combined_count = priv->channels.params.num_channels;
 383         if (priv->xsk.refcnt) {
 384                 /* The upper half are XSK queues. */
 385                 ch->max_combined *= 2;
 386                 ch->combined_count *= 2;
 387         }
 388
 389         mutex_unlock(&priv->state_lock);
 390 }
 391
 392 static void mlx5e_get_channels(struct net_device *dev,
 393                                struct ethtool_channels *ch)
 394 {
 395         struct mlx5e_priv *priv = netdev_priv(dev);
 396
 397         mlx5e_ethtool_get_channels(priv, ch);
 398 }
 399
 400 int mlx5e_ethtool_set_channels(struct mlx5e_priv *priv,
 401                                struct ethtool_channels *ch)
 402 {
 403         struct mlx5e_params *cur_params = &priv->channels.params;
 404         unsigned int count = ch->combined_count;
 405         struct mlx5e_channels new_channels = {};
 406         bool arfs_enabled;
 407         int err = 0;
 408
 409         if (!count) {
 410                 netdev_info(priv->netdev, "%s: combined_count=0 not supported\n",
 411                             __func__);
 412                 return -EINVAL;
 413         }
 414
 415         if (cur_params->num_channels == count)
 416                 return 0;
 417
 418         mutex_lock(&priv->state_lock);
 419
 420         /* Don't allow changing the number of channels if there is an active
 421          * XSK, because the numeration of the XSK and regular RQs will change.
 422          */
 423         if (priv->xsk.refcnt) {
 424                 err = -EINVAL;
 425                 netdev_err(priv->netdev, "%s: AF_XDP is active, cannot change the number of channels\n",
 426                            __func__);
 427                 goto out;
 428         }
 429
 430         new_channels.params = priv->channels.params;
 431         new_channels.params.num_channels = count;
 432
 433         if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
 434                 *cur_params = new_channels.params;
 435                 if (!netif_is_rxfh_configured(priv->netdev))
 436                         mlx5e_build_default_indir_rqt(priv->rss_params.indirection_rqt,
 437                                                       MLX5E_INDIR_RQT_SIZE, count);
 438                 goto out;
 439         }
 440
 441         arfs_enabled = priv->netdev->features & NETIF_F_NTUPLE;
 442         if (arfs_enabled)
 443                 mlx5e_arfs_disable(priv);
 444
 445         if (!netif_is_rxfh_configured(priv->netdev))
 446                 mlx5e_build_default_indir_rqt(priv->rss_params.indirection_rqt,
 447                                               MLX5E_INDIR_RQT_SIZE, count);
 448
 449         /* Switch to new channels, set new parameters and close old ones */
 450         err = mlx5e_safe_switch_channels(priv, &new_channels, NULL);
 451
 452         if (arfs_enabled) {
 453                 int err2 = mlx5e_arfs_enable(priv);
 454
 455                 if (err2)
 456                         netdev_err(priv->netdev, "%s: mlx5e_arfs_enable failed: %d\n",
 457                                    __func__, err2);
 458         }
 459
 460 out:
 461         mutex_unlock(&priv->state_lock);
 462
 463         return err;
 464 }
 465
 466 static int mlx5e_set_channels(struct net_device *dev,
 467                               struct ethtool_channels *ch)
 468 {
 469         struct mlx5e_priv *priv = netdev_priv(dev);
 470
 471         return mlx5e_ethtool_set_channels(priv, ch);
 472 }
 473
 474 int mlx5e_ethtool_get_coalesce(struct mlx5e_priv *priv,
 475                                struct ethtool_coalesce *coal)
 476 {
 477         struct dim_cq_moder *rx_moder, *tx_moder;
 478
 479         if (!MLX5_CAP_GEN(priv->mdev, cq_moderation))
 480                 return -EOPNOTSUPP;
 481
 482         rx_moder = &priv->channels.params.rx_cq_moderation;
 483         coal->rx_coalesce_usecs         = rx_moder->usec;
 484         coal->rx_max_coalesced_frames   = rx_moder->pkts;
 485         coal->use_adaptive_rx_coalesce  = priv->channels.params.rx_dim_enabled;
 486
 487         tx_moder = &priv->channels.params.tx_cq_moderation;
 488         coal->tx_coalesce_usecs         = tx_moder->usec;
 489         coal->tx_max_coalesced_frames   = tx_moder->pkts;
 490         coal->use_adaptive_tx_coalesce  = priv->channels.params.tx_dim_enabled;
 491
 492         return 0;
 493 }
 494
 495 static int mlx5e_get_coalesce(struct net_device *netdev,
 496                               struct ethtool_coalesce *coal)
 497 {
 498         struct mlx5e_priv *priv = netdev_priv(netdev);
 499
 500         return mlx5e_ethtool_get_coalesce(priv, coal);
 501 }
 502
 503 #define MLX5E_MAX_COAL_TIME             MLX5_MAX_CQ_PERIOD
 504 #define MLX5E_MAX_COAL_FRAMES           MLX5_MAX_CQ_COUNT
 505
 506 static void
 507 mlx5e_set_priv_channels_coalesce(struct mlx5e_priv *priv, struct ethtool_coalesce *coal)
 508 {
 509         struct mlx5_core_dev *mdev = priv->mdev;
 510         int tc;
 511         int i;
 512
 513         for (i = 0; i < priv->channels.num; ++i) {
 514                 struct mlx5e_channel *c = priv->channels.c[i];
 515
 516                 for (tc = 0; tc < c->num_tc; tc++) {
 517                         mlx5_core_modify_cq_moderation(mdev,
 518                                                 &c->sq[tc].cq.mcq,
 519                                                 coal->tx_coalesce_usecs,
 520                                                 coal->tx_max_coalesced_frames);
 521                 }
 522
 523                 mlx5_core_modify_cq_moderation(mdev, &c->rq.cq.mcq,
 524                                                coal->rx_coalesce_usecs,
 525                                                coal->rx_max_coalesced_frames);
 526         }
 527 }
 528
 529 int mlx5e_ethtool_set_coalesce(struct mlx5e_priv *priv,
 530                                struct ethtool_coalesce *coal)
 531 {
 532         struct dim_cq_moder *rx_moder, *tx_moder;
 533         struct mlx5_core_dev *mdev = priv->mdev;
 534         struct mlx5e_channels new_channels = {};
 535         int err = 0;
 536         bool reset;
 537
 538         if (!MLX5_CAP_GEN(mdev, cq_moderation))
 539                 return -EOPNOTSUPP;
 540
 541         if (coal->tx_coalesce_usecs > MLX5E_MAX_COAL_TIME ||
 542             coal->rx_coalesce_usecs > MLX5E_MAX_COAL_TIME) {
 543                 netdev_info(priv->netdev, "%s: maximum coalesce time supported is %lu usecs\n",
 544                             __func__, MLX5E_MAX_COAL_TIME);
 545                 return -ERANGE;
 546         }
 547
 548         if (coal->tx_max_coalesced_frames > MLX5E_MAX_COAL_FRAMES ||
 549             coal->rx_max_coalesced_frames > MLX5E_MAX_COAL_FRAMES) {
 550                 netdev_info(priv->netdev, "%s: maximum coalesced frames supported is %lu\n",
 551                             __func__, MLX5E_MAX_COAL_FRAMES);
 552                 return -ERANGE;
 553         }
 554
 555         mutex_lock(&priv->state_lock);
 556         new_channels.params = priv->channels.params;
 557
 558         rx_moder          = &new_channels.params.rx_cq_moderation;
 559         rx_moder->usec    = coal->rx_coalesce_usecs;
 560         rx_moder->pkts    = coal->rx_max_coalesced_frames;
 561         new_channels.params.rx_dim_enabled = !!coal->use_adaptive_rx_coalesce;
 562
 563         tx_moder          = &new_channels.params.tx_cq_moderation;
 564         tx_moder->usec    = coal->tx_coalesce_usecs;
 565         tx_moder->pkts    = coal->tx_max_coalesced_frames;
 566         new_channels.params.tx_dim_enabled = !!coal->use_adaptive_tx_coalesce;
 567
 568         if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
 569                 priv->channels.params = new_channels.params;
 570                 goto out;
 571         }
 572         /* we are opened */
 573
 574         reset = (!!coal->use_adaptive_rx_coalesce != priv->channels.params.rx_dim_enabled) ||
 575                 (!!coal->use_adaptive_tx_coalesce != priv->channels.params.tx_dim_enabled);
 576
 577         if (!reset) {
 578                 mlx5e_set_priv_channels_coalesce(priv, coal);
 579                 priv->channels.params = new_channels.params;
 580                 goto out;
 581         }
 582
 583         err = mlx5e_safe_switch_channels(priv, &new_channels, NULL);
 584
 585 out:
 586         mutex_unlock(&priv->state_lock);
 587         return err;
 588 }
 589
 590 static int mlx5e_set_coalesce(struct net_device *netdev,
 591                               struct ethtool_coalesce *coal)
 592 {
 593         struct mlx5e_priv *priv    = netdev_priv(netdev);
 594
 595         return mlx5e_ethtool_set_coalesce(priv, coal);
 596 }
 597
 598 static void ptys2ethtool_supported_link(struct mlx5_core_dev *mdev,
 599                                         unsigned long *supported_modes,
 600                                         u32 eth_proto_cap)
 601 {
 602         unsigned long proto_cap = eth_proto_cap;
 603         struct ptys2ethtool_config *table;
 604         u32 max_size;
 605         int proto;
 606
 607         mlx5e_ethtool_get_speed_arr(mdev, &table, &max_size);
 608         for_each_set_bit(proto, &proto_cap, max_size)
 609                 bitmap_or(supported_modes, supported_modes,
 610                           table[proto].supported,
 611                           __ETHTOOL_LINK_MODE_MASK_NBITS);
 612 }
 613
 614 static void ptys2ethtool_adver_link(unsigned long *advertising_modes,
 615                                     u32 eth_proto_cap, bool ext)
 616 {
 617         unsigned long proto_cap = eth_proto_cap;
 618         struct ptys2ethtool_config *table;
 619         u32 max_size;
 620         int proto;
 621
 622         table = ext ? ptys2ext_ethtool_table : ptys2legacy_ethtool_table;
 623         max_size = ext ? ARRAY_SIZE(ptys2ext_ethtool_table) :
 624                          ARRAY_SIZE(ptys2legacy_ethtool_table);
 625
 626         for_each_set_bit(proto, &proto_cap, max_size)
 627                 bitmap_or(advertising_modes, advertising_modes,
 628                           table[proto].advertised,
 629                           __ETHTOOL_LINK_MODE_MASK_NBITS);
 630 }
 631
 632 static const u32 pplm_fec_2_ethtool[] = {
 633         [MLX5E_FEC_NOFEC] = ETHTOOL_FEC_OFF,
 634         [MLX5E_FEC_FIRECODE] = ETHTOOL_FEC_BASER,
 635         [MLX5E_FEC_RS_528_514] = ETHTOOL_FEC_RS,
 636 };
 637
 638 static u32 pplm2ethtool_fec(u_long fec_mode, unsigned long size)
 639 {
 640         int mode = 0;
 641
 642         if (!fec_mode)
 643                 return ETHTOOL_FEC_AUTO;
 644
 645         mode = find_first_bit(&fec_mode, size);
 646
 647         if (mode < ARRAY_SIZE(pplm_fec_2_ethtool))
 648                 return pplm_fec_2_ethtool[mode];
 649
 650         return 0;
 651 }
 652
 653 /* we use ETHTOOL_FEC_* offset and apply it to ETHTOOL_LINK_MODE_FEC_*_BIT */
 654 static u32 ethtool_fec2ethtool_caps(u_long ethtool_fec_code)
 655 {
 656         u32 offset;
 657
 658         offset = find_first_bit(&ethtool_fec_code, sizeof(u32));
 659         offset -= ETHTOOL_FEC_OFF_BIT;
 660         offset += ETHTOOL_LINK_MODE_FEC_NONE_BIT;
 661
 662         return offset;
 663 }
 664
 665 static int get_fec_supported_advertised(struct mlx5_core_dev *dev,
 666                                         struct ethtool_link_ksettings *link_ksettings)
 667 {
 668         u_long fec_caps = 0;
 669         u32 active_fec = 0;
 670         u32 offset;
 671         u32 bitn;
 672         int err;
 673
 674         err = mlx5e_get_fec_caps(dev, (u8 *)&fec_caps);
 675         if (err)
 676                 return (err == -EOPNOTSUPP) ? 0 : err;
 677
 678         err = mlx5e_get_fec_mode(dev, &active_fec, NULL);
 679         if (err)
 680                 return err;
 681
 682         for_each_set_bit(bitn, &fec_caps, ARRAY_SIZE(pplm_fec_2_ethtool)) {
 683                 u_long ethtool_bitmask = pplm_fec_2_ethtool[bitn];
 684
 685                 offset = ethtool_fec2ethtool_caps(ethtool_bitmask);
 686                 __set_bit(offset, link_ksettings->link_modes.supported);
 687         }
 688
 689         active_fec = pplm2ethtool_fec(active_fec, sizeof(u32) * BITS_PER_BYTE);
 690         offset = ethtool_fec2ethtool_caps(active_fec);
 691         __set_bit(offset, link_ksettings->link_modes.advertising);
 692
 693         return 0;
 694 }
 695
 696 static void ptys2ethtool_supported_advertised_port(struct ethtool_link_ksettings *link_ksettings,
 697                                                    u32 eth_proto_cap,
 698                                                    u8 connector_type, bool ext)
 699 {
 700         if ((!connector_type && !ext) || connector_type >= MLX5E_CONNECTOR_TYPE_NUMBER) {
 701                 if (eth_proto_cap & (MLX5E_PROT_MASK(MLX5E_10GBASE_CR)
 702                                    | MLX5E_PROT_MASK(MLX5E_10GBASE_SR)
 703                                    | MLX5E_PROT_MASK(MLX5E_40GBASE_CR4)
 704                                    | MLX5E_PROT_MASK(MLX5E_40GBASE_SR4)
 705                                    | MLX5E_PROT_MASK(MLX5E_100GBASE_SR4)
 706                                    | MLX5E_PROT_MASK(MLX5E_1000BASE_CX_SGMII))) {
 707                         ethtool_link_ksettings_add_link_mode(link_ksettings,
 708                                                              supported,
 709                                                              FIBRE);
 710                         ethtool_link_ksettings_add_link_mode(link_ksettings,
 711                                                              advertising,
 712                                                              FIBRE);
 713                 }
 714
 715                 if (eth_proto_cap & (MLX5E_PROT_MASK(MLX5E_100GBASE_KR4)
 716                                    | MLX5E_PROT_MASK(MLX5E_40GBASE_KR4)
 717                                    | MLX5E_PROT_MASK(MLX5E_10GBASE_KR)
 718                                    | MLX5E_PROT_MASK(MLX5E_10GBASE_KX4)
 719                                    | MLX5E_PROT_MASK(MLX5E_1000BASE_KX))) {
 720                         ethtool_link_ksettings_add_link_mode(link_ksettings,
 721                                                              supported,
 722                                                              Backplane);
 723                         ethtool_link_ksettings_add_link_mode(link_ksettings,
 724                                                              advertising,
 725                                                              Backplane);
 726                 }
 727                 return;
 728         }
 729
 730         switch (connector_type) {
 731         case MLX5E_PORT_TP:
 732                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 733                                                      supported, TP);
 734                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 735                                                      advertising, TP);
 736                 break;
 737         case MLX5E_PORT_AUI:
 738                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 739                                                      supported, AUI);
 740                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 741                                                      advertising, AUI);
 742                 break;
 743         case MLX5E_PORT_BNC:
 744                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 745                                                      supported, BNC);
 746                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 747                                                      advertising, BNC);
 748                 break;
 749         case MLX5E_PORT_MII:
 750                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 751                                                      supported, MII);
 752                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 753                                                      advertising, MII);
 754                 break;
 755         case MLX5E_PORT_FIBRE:
 756                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 757                                                      supported, FIBRE);
 758                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 759                                                      advertising, FIBRE);
 760                 break;
 761         case MLX5E_PORT_DA:
 762                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 763                                                      supported, Backplane);
 764                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 765                                                      advertising, Backplane);
 766                 break;
 767         case MLX5E_PORT_NONE:
 768         case MLX5E_PORT_OTHER:
 769         default:
 770                 break;
 771         }
 772 }
 773
 774 static void get_speed_duplex(struct net_device *netdev,
 775                              u32 eth_proto_oper, bool force_legacy,
 776                              struct ethtool_link_ksettings *link_ksettings)
 777 {
 778         struct mlx5e_priv *priv = netdev_priv(netdev);
 779         u32 speed = SPEED_UNKNOWN;
 780         u8 duplex = DUPLEX_UNKNOWN;
 781
 782         if (!netif_carrier_ok(netdev))
 783                 goto out;
 784
 785         speed = mlx5e_port_ptys2speed(priv->mdev, eth_proto_oper, force_legacy);
 786         if (!speed) {
 787                 speed = SPEED_UNKNOWN;
 788                 goto out;
 789         }
 790
 791         duplex = DUPLEX_FULL;
 792
 793 out:
 794         link_ksettings->base.speed = speed;
 795         link_ksettings->base.duplex = duplex;
 796 }
 797
 798 static void get_supported(struct mlx5_core_dev *mdev, u32 eth_proto_cap,
 799                           struct ethtool_link_ksettings *link_ksettings)
 800 {
 801         unsigned long *supported = link_ksettings->link_modes.supported;
 802         ptys2ethtool_supported_link(mdev, supported, eth_proto_cap);
 803
 804         ethtool_link_ksettings_add_link_mode(link_ksettings, supported, Pause);
 805 }
 806
 807 static void get_advertising(u32 eth_proto_cap, u8 tx_pause, u8 rx_pause,
 808                             struct ethtool_link_ksettings *link_ksettings,
 809                             bool ext)
 810 {
 811         unsigned long *advertising = link_ksettings->link_modes.advertising;
 812         ptys2ethtool_adver_link(advertising, eth_proto_cap, ext);
 813
 814         if (rx_pause)
 815                 ethtool_link_ksettings_add_link_mode(link_ksettings, advertising, Pause);
 816         if (tx_pause ^ rx_pause)
 817                 ethtool_link_ksettings_add_link_mode(link_ksettings, advertising, Asym_Pause);
 818 }
 819
 820 static int ptys2connector_type[MLX5E_CONNECTOR_TYPE_NUMBER] = {
 821                 [MLX5E_PORT_UNKNOWN]            = PORT_OTHER,
 822                 [MLX5E_PORT_NONE]               = PORT_NONE,
 823                 [MLX5E_PORT_TP]                 = PORT_TP,
 824                 [MLX5E_PORT_AUI]                = PORT_AUI,
 825                 [MLX5E_PORT_BNC]                = PORT_BNC,
 826                 [MLX5E_PORT_MII]                = PORT_MII,
 827                 [MLX5E_PORT_FIBRE]              = PORT_FIBRE,
 828                 [MLX5E_PORT_DA]                 = PORT_DA,
 829                 [MLX5E_PORT_OTHER]              = PORT_OTHER,
 830         };
 831
 832 static u8 get_connector_port(u32 eth_proto, u8 connector_type, bool ext)
 833 {
 834         if ((connector_type || ext) && connector_type < MLX5E_CONNECTOR_TYPE_NUMBER)
 835                 return ptys2connector_type[connector_type];
 836
 837         if (eth_proto &
 838             (MLX5E_PROT_MASK(MLX5E_10GBASE_SR)   |
 839              MLX5E_PROT_MASK(MLX5E_40GBASE_SR4)  |
 840              MLX5E_PROT_MASK(MLX5E_100GBASE_SR4) |
 841              MLX5E_PROT_MASK(MLX5E_1000BASE_CX_SGMII))) {
 842                 return PORT_FIBRE;
 843         }
 844
 845         if (eth_proto &
 846             (MLX5E_PROT_MASK(MLX5E_40GBASE_CR4) |
 847              MLX5E_PROT_MASK(MLX5E_10GBASE_CR)  |
 848              MLX5E_PROT_MASK(MLX5E_100GBASE_CR4))) {
 849                 return PORT_DA;
 850         }
 851
 852         if (eth_proto &
 853             (MLX5E_PROT_MASK(MLX5E_10GBASE_KX4) |
 854              MLX5E_PROT_MASK(MLX5E_10GBASE_KR)  |
 855              MLX5E_PROT_MASK(MLX5E_40GBASE_KR4) |
 856              MLX5E_PROT_MASK(MLX5E_100GBASE_KR4))) {
 857                 return PORT_NONE;
 858         }
 859
 860         return PORT_OTHER;
 861 }
 862
 863 static void get_lp_advertising(struct mlx5_core_dev *mdev, u32 eth_proto_lp,
 864                                struct ethtool_link_ksettings *link_ksettings)
 865 {
 866         unsigned long *lp_advertising = link_ksettings->link_modes.lp_advertising;
 867         bool ext = MLX5_CAP_PCAM_FEATURE(mdev, ptys_extended_ethernet);
 868
 869         ptys2ethtool_adver_link(lp_advertising, eth_proto_lp, ext);
 870 }
 871
 872 int mlx5e_ethtool_get_link_ksettings(struct mlx5e_priv *priv,
 873                                      struct ethtool_link_ksettings *link_ksettings)
 874 {
 875         struct mlx5_core_dev *mdev = priv->mdev;
 876         u32 out[MLX5_ST_SZ_DW(ptys_reg)] = {0};
 877         u32 rx_pause = 0;
 878         u32 tx_pause = 0;
 879         u32 eth_proto_cap;
 880         u32 eth_proto_admin;
 881         u32 eth_proto_lp;
 882         u32 eth_proto_oper;
 883         u8 an_disable_admin;
 884         u8 an_status;
 885         u8 connector_type;
 886         bool admin_ext;
 887         bool ext;
 888         int err;
 889
 890         err = mlx5_query_port_ptys(mdev, out, sizeof(out), MLX5_PTYS_EN, 1);
 891         if (err) {
 892                 netdev_err(priv->netdev, "%s: query port ptys failed: %d\n",
 893                            __func__, err);
 894                 goto err_query_regs;
 895         }
 896         ext = MLX5_CAP_PCAM_FEATURE(mdev, ptys_extended_ethernet);
 897         eth_proto_cap    = MLX5_GET_ETH_PROTO(ptys_reg, out, ext,
 898                                               eth_proto_capability);
 899         eth_proto_admin  = MLX5_GET_ETH_PROTO(ptys_reg, out, ext,
 900                                               eth_proto_admin);
 901         /* Fields: eth_proto_admin and ext_eth_proto_admin  are
 902          * mutually exclusive. Hence try reading legacy advertising
 903          * when extended advertising is zero.
 904          * admin_ext indicates which proto_admin (ext vs. legacy)
 905          * should be read and interpreted
 906          */
 907         admin_ext = ext;
 908         if (ext && !eth_proto_admin) {
 909                 eth_proto_admin  = MLX5_GET_ETH_PROTO(ptys_reg, out, false,
 910                                                       eth_proto_admin);
 911                 admin_ext = false;
 912         }
 913
 914         eth_proto_oper   = MLX5_GET_ETH_PROTO(ptys_reg, out, admin_ext,
 915                                               eth_proto_oper);
 916         eth_proto_lp        = MLX5_GET(ptys_reg, out, eth_proto_lp_advertise);
 917         an_disable_admin    = MLX5_GET(ptys_reg, out, an_disable_admin);
 918         an_status           = MLX5_GET(ptys_reg, out, an_status);
 919         connector_type      = MLX5_GET(ptys_reg, out, connector_type);
 920
 921         mlx5_query_port_pause(mdev, &rx_pause, &tx_pause);
 922
 923         ethtool_link_ksettings_zero_link_mode(link_ksettings, supported);
 924         ethtool_link_ksettings_zero_link_mode(link_ksettings, advertising);
 925
 926         get_supported(mdev, eth_proto_cap, link_ksettings);
 927         get_advertising(eth_proto_admin, tx_pause, rx_pause, link_ksettings,
 928                         admin_ext);
 929         get_speed_duplex(priv->netdev, eth_proto_oper, !admin_ext,
 930                          link_ksettings);
 931
 932         eth_proto_oper = eth_proto_oper ? eth_proto_oper : eth_proto_cap;
 933
 934         link_ksettings->base.port = get_connector_port(eth_proto_oper,
 935                                                        connector_type, ext);
 936         ptys2ethtool_supported_advertised_port(link_ksettings, eth_proto_admin,
 937                                                connector_type, ext);
 938         get_lp_advertising(mdev, eth_proto_lp, link_ksettings);
 939
 940         if (an_status == MLX5_AN_COMPLETE)
 941                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 942                                                      lp_advertising, Autoneg);
 943
 944         link_ksettings->base.autoneg = an_disable_admin ? AUTONEG_DISABLE :
 945                                                           AUTONEG_ENABLE;
 946         ethtool_link_ksettings_add_link_mode(link_ksettings, supported,
 947                                              Autoneg);
 948
 949         err = get_fec_supported_advertised(mdev, link_ksettings);
 950         if (err) {
 951                 netdev_dbg(priv->netdev, "%s: FEC caps query failed: %d\n",
 952                            __func__, err);
 953                 err = 0; /* don't fail caps query because of FEC error */
 954         }
 955
 956         if (!an_disable_admin)
 957                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 958                                                      advertising, Autoneg);
 959
 960 err_query_regs:
 961         return err;
 962 }
 963
 964 static int mlx5e_get_link_ksettings(struct net_device *netdev,
 965                                     struct ethtool_link_ksettings *link_ksettings)
 966 {
 967         struct mlx5e_priv *priv = netdev_priv(netdev);
 968
 969         return mlx5e_ethtool_get_link_ksettings(priv, link_ksettings);
 970 }
 971
 972 static u32 mlx5e_ethtool2ptys_adver_link(const unsigned long *link_modes)
 973 {
 974         u32 i, ptys_modes = 0;
 975
 976         for (i = 0; i < MLX5E_LINK_MODES_NUMBER; ++i) {
 977                 if (*ptys2legacy_ethtool_table[i].advertised == 0)
 978                         continue;
 979                 if (bitmap_intersects(ptys2legacy_ethtool_table[i].advertised,
 980                                       link_modes,
 981                                       __ETHTOOL_LINK_MODE_MASK_NBITS))
 982                         ptys_modes |= MLX5E_PROT_MASK(i);
 983         }
 984
 985         return ptys_modes;
 986 }
 987
 988 static u32 mlx5e_ethtool2ptys_ext_adver_link(const unsigned long *link_modes)
 989 {
 990         u32 i, ptys_modes = 0;
 991         unsigned long modes[2];
 992
 993         for (i = 0; i < MLX5E_EXT_LINK_MODES_NUMBER; ++i) {
 994                 if (*ptys2ext_ethtool_table[i].advertised == 0)
 995                         continue;
 996                 memset(modes, 0, sizeof(modes));
 997                 bitmap_and(modes, ptys2ext_ethtool_table[i].advertised,
 998                            link_modes, __ETHTOOL_LINK_MODE_MASK_NBITS);
 999
1000                 if (modes[0] == ptys2ext_ethtool_table[i].advertised[0] &&
1001                     modes[1] == ptys2ext_ethtool_table[i].advertised[1])
1002                         ptys_modes |= MLX5E_PROT_MASK(i);
1003         }
1004         return ptys_modes;
1005 }
1006
1007 static bool ext_link_mode_requested(const unsigned long *adver)
1008 {
1009 #define MLX5E_MIN_PTYS_EXT_LINK_MODE_BIT ETHTOOL_LINK_MODE_50000baseKR_Full_BIT
1010         int size = __ETHTOOL_LINK_MODE_MASK_NBITS - MLX5E_MIN_PTYS_EXT_LINK_MODE_BIT;
1011         __ETHTOOL_DECLARE_LINK_MODE_MASK(modes) = {0,};
1012
1013         bitmap_set(modes, MLX5E_MIN_PTYS_EXT_LINK_MODE_BIT, size);
1014         return bitmap_intersects(modes, adver, __ETHTOOL_LINK_MODE_MASK_NBITS);
1015 }
1016
1017 static bool ext_requested(u8 autoneg, const unsigned long *adver, bool ext_supported)
1018 {
1019         bool ext_link_mode = ext_link_mode_requested(adver);
1020
1021         return  autoneg == AUTONEG_ENABLE ? ext_link_mode : ext_supported;
1022 }
1023
1024 int mlx5e_ethtool_set_link_ksettings(struct mlx5e_priv *priv,
1025                                      const struct ethtool_link_ksettings *link_ksettings)
1026 {
1027         struct mlx5_core_dev *mdev = priv->mdev;
1028         struct mlx5e_port_eth_proto eproto;
1029         const unsigned long *adver;
1030         bool an_changes = false;
1031         u8 an_disable_admin;
1032         bool ext_supported;
1033         u8 an_disable_cap;
1034         bool an_disable;
1035         u32 link_modes;
1036         u8 an_status;
1037         u8 autoneg;
1038         u32 speed;
1039         bool ext;
1040         int err;
1041
1042         u32 (*ethtool2ptys_adver_func)(const unsigned long *adver);
1043
1044         adver = link_ksettings->link_modes.advertising;
1045         autoneg = link_ksettings->base.autoneg;
1046         speed = link_ksettings->base.speed;
1047
1048         ext_supported = MLX5_CAP_PCAM_FEATURE(mdev, ptys_extended_ethernet);
1049         ext = ext_requested(autoneg, adver, ext_supported);
1050         if (!ext_supported && ext)
1051                 return -EOPNOTSUPP;
1052
1053         ethtool2ptys_adver_func = ext ? mlx5e_ethtool2ptys_ext_adver_link :
1054                                   mlx5e_ethtool2ptys_adver_link;
1055         err = mlx5_port_query_eth_proto(mdev, 1, ext, &eproto);
1056         if (err) {
1057                 netdev_err(priv->netdev, "%s: query port eth proto failed: %d\n",
1058                            __func__, err);
1059                 goto out;
1060         }
1061         link_modes = autoneg == AUTONEG_ENABLE ? ethtool2ptys_adver_func(adver) :
1062                 mlx5e_port_speed2linkmodes(mdev, speed, !ext);
1063
1064         if ((link_modes & MLX5E_PROT_MASK(MLX5E_56GBASE_R4)) &&
1065             autoneg != AUTONEG_ENABLE) {
1066                 netdev_err(priv->netdev, "%s: 56G link speed requires autoneg enabled\n",
1067                            __func__);
1068                 err = -EINVAL;
1069                 goto out;
1070         }
1071
1072         link_modes = link_modes & eproto.cap;
1073         if (!link_modes) {
1074                 netdev_err(priv->netdev, "%s: Not supported link mode(s) requested",
1075                            __func__);
1076                 err = -EINVAL;
1077                 goto out;
1078         }
1079
1080         mlx5_port_query_eth_autoneg(mdev, &an_status, &an_disable_cap,
1081                                     &an_disable_admin);
1082
1083         an_disable = autoneg == AUTONEG_DISABLE;
1084         an_changes = ((!an_disable && an_disable_admin) ||
1085                       (an_disable && !an_disable_admin));
1086
1087         if (!an_changes && link_modes == eproto.admin)
1088                 goto out;
1089
1090         mlx5_port_set_eth_ptys(mdev, an_disable, link_modes, ext);
1091         mlx5_toggle_port_link(mdev);
1092
1093 out:
1094         return err;
1095 }
1096
1097 static int mlx5e_set_link_ksettings(struct net_device *netdev,
1098                                     const struct ethtool_link_ksettings *link_ksettings)
1099 {
1100         struct mlx5e_priv *priv = netdev_priv(netdev);
1101
1102         return mlx5e_ethtool_set_link_ksettings(priv, link_ksettings);
1103 }
1104
1105 u32 mlx5e_ethtool_get_rxfh_key_size(struct mlx5e_priv *priv)
1106 {
1107         return sizeof(priv->rss_params.toeplitz_hash_key);
1108 }
1109
1110 static u32 mlx5e_get_rxfh_key_size(struct net_device *netdev)
1111 {
1112         struct mlx5e_priv *priv = netdev_priv(netdev);
1113
1114         return mlx5e_ethtool_get_rxfh_key_size(priv);
1115 }
1116
1117 u32 mlx5e_ethtool_get_rxfh_indir_size(struct mlx5e_priv *priv)
1118 {
1119         return MLX5E_INDIR_RQT_SIZE;
1120 }
1121
1122 static u32 mlx5e_get_rxfh_indir_size(struct net_device *netdev)
1123 {
1124         struct mlx5e_priv *priv = netdev_priv(netdev);
1125
1126         return mlx5e_ethtool_get_rxfh_indir_size(priv);
1127 }
1128
1129 static int mlx5e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
1130                           u8 *hfunc)
1131 {
1132         struct mlx5e_priv *priv = netdev_priv(netdev);
1133         struct mlx5e_rss_params *rss = &priv->rss_params;
1134
1135         if (indir)
1136                 memcpy(indir, rss->indirection_rqt,
1137                        sizeof(rss->indirection_rqt));
1138
1139         if (key)
1140                 memcpy(key, rss->toeplitz_hash_key,
1141                        sizeof(rss->toeplitz_hash_key));
1142
1143         if (hfunc)
1144                 *hfunc = rss->hfunc;
1145
1146         return 0;
1147 }
1148
1149 static int mlx5e_set_rxfh(struct net_device *dev, const u32 *indir,
1150                           const u8 *key, const u8 hfunc)
1151 {
1152         struct mlx5e_priv *priv = netdev_priv(dev);
1153         struct mlx5e_rss_params *rss = &priv->rss_params;
1154         int inlen = MLX5_ST_SZ_BYTES(modify_tir_in);
1155         bool hash_changed = false;
1156         void *in;
1157
1158         if ((hfunc != ETH_RSS_HASH_NO_CHANGE) &&
1159             (hfunc != ETH_RSS_HASH_XOR) &&
1160             (hfunc != ETH_RSS_HASH_TOP))
1161                 return -EINVAL;
1162
1163         in = kvzalloc(inlen, GFP_KERNEL);
1164         if (!in)
1165                 return -ENOMEM;
1166
1167         mutex_lock(&priv->state_lock);
1168
1169         if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != rss->hfunc) {
1170                 rss->hfunc = hfunc;
1171                 hash_changed = true;
1172         }
1173
1174         if (indir) {
1175                 memcpy(rss->indirection_rqt, indir,
1176                        sizeof(rss->indirection_rqt));
1177
1178                 if (test_bit(MLX5E_STATE_OPENED, &priv->state)) {
1179                         u32 rqtn = priv->indir_rqt.rqtn;
1180                         struct mlx5e_redirect_rqt_param rrp = {
1181                                 .is_rss = true,
1182                                 {
1183                                         .rss = {
1184                                                 .hfunc = rss->hfunc,
1185                                                 .channels  = &priv->channels,
1186                                         },
1187                                 },
1188                         };
1189
1190                         mlx5e_redirect_rqt(priv, rqtn, MLX5E_INDIR_RQT_SIZE, rrp);
1191                 }
1192         }
1193
1194         if (key) {
1195                 memcpy(rss->toeplitz_hash_key, key,
1196                        sizeof(rss->toeplitz_hash_key));
1197                 hash_changed = hash_changed || rss->hfunc == ETH_RSS_HASH_TOP;
1198         }
1199
1200         if (hash_changed)
1201                 mlx5e_modify_tirs_hash(priv, in, inlen);
1202
1203         mutex_unlock(&priv->state_lock);
1204
1205         kvfree(in);
1206
1207         return 0;
1208 }
1209
1210 #define MLX5E_PFC_PREVEN_AUTO_TOUT_MSEC         100
1211 #define MLX5E_PFC_PREVEN_TOUT_MAX_MSEC          8000
1212 #define MLX5E_PFC_PREVEN_MINOR_PRECENT          85
1213 #define MLX5E_PFC_PREVEN_TOUT_MIN_MSEC          80
1214 #define MLX5E_DEVICE_STALL_MINOR_WATERMARK(critical_tout) \
1215         max_t(u16, MLX5E_PFC_PREVEN_TOUT_MIN_MSEC, \
1216               (critical_tout * MLX5E_PFC_PREVEN_MINOR_PRECENT) / 100)
1217
1218 static int mlx5e_get_pfc_prevention_tout(struct net_device *netdev,
1219                                          u16 *pfc_prevention_tout)
1220 {
1221         struct mlx5e_priv *priv    = netdev_priv(netdev);
1222         struct mlx5_core_dev *mdev = priv->mdev;
1223
1224         if (!MLX5_CAP_PCAM_FEATURE((priv)->mdev, pfcc_mask) ||
1225             !MLX5_CAP_DEBUG((priv)->mdev, stall_detect))
1226                 return -EOPNOTSUPP;
1227
1228         return mlx5_query_port_stall_watermark(mdev, pfc_prevention_tout, NULL);
1229 }
1230
1231 static int mlx5e_set_pfc_prevention_tout(struct net_device *netdev,
1232                                          u16 pfc_preven)
1233 {
1234         struct mlx5e_priv *priv = netdev_priv(netdev);
1235         struct mlx5_core_dev *mdev = priv->mdev;
1236         u16 critical_tout;
1237         u16 minor;
1238
1239         if (!MLX5_CAP_PCAM_FEATURE((priv)->mdev, pfcc_mask) ||
1240             !MLX5_CAP_DEBUG((priv)->mdev, stall_detect))
1241                 return -EOPNOTSUPP;
1242
1243         critical_tout = (pfc_preven == PFC_STORM_PREVENTION_AUTO) ?
1244                         MLX5E_PFC_PREVEN_AUTO_TOUT_MSEC :
1245                         pfc_preven;
1246
1247         if (critical_tout != PFC_STORM_PREVENTION_DISABLE &&
1248             (critical_tout > MLX5E_PFC_PREVEN_TOUT_MAX_MSEC ||
1249              critical_tout < MLX5E_PFC_PREVEN_TOUT_MIN_MSEC)) {
1250                 netdev_info(netdev, "%s: pfc prevention tout not in range (%d-%d)\n",
1251                             __func__, MLX5E_PFC_PREVEN_TOUT_MIN_MSEC,
1252                             MLX5E_PFC_PREVEN_TOUT_MAX_MSEC);
1253                 return -EINVAL;
1254         }
1255
1256         minor = MLX5E_DEVICE_STALL_MINOR_WATERMARK(critical_tout);
1257         return mlx5_set_port_stall_watermark(mdev, critical_tout,
1258                                              minor);
1259 }
1260
1261 static int mlx5e_get_tunable(struct net_device *dev,
1262                              const struct ethtool_tunable *tuna,
1263                              void *data)
1264 {
1265         int err;
1266
1267         switch (tuna->id) {
1268         case ETHTOOL_PFC_PREVENTION_TOUT:
1269                 err = mlx5e_get_pfc_prevention_tout(dev, data);
1270                 break;
1271         default:
1272                 err = -EINVAL;
1273                 break;
1274         }
1275
1276         return err;
1277 }
1278
1279 static int mlx5e_set_tunable(struct net_device *dev,
1280                              const struct ethtool_tunable *tuna,
1281                              const void *data)
1282 {
1283         struct mlx5e_priv *priv = netdev_priv(dev);
1284         int err;
1285
1286         mutex_lock(&priv->state_lock);
1287
1288         switch (tuna->id) {
1289         case ETHTOOL_PFC_PREVENTION_TOUT:
1290                 err = mlx5e_set_pfc_prevention_tout(dev, *(u16 *)data);
1291                 break;
1292         default:
1293                 err = -EINVAL;
1294                 break;
1295         }
1296
1297         mutex_unlock(&priv->state_lock);
1298         return err;
1299 }
1300
1301 void mlx5e_ethtool_get_pauseparam(struct mlx5e_priv *priv,
1302                                   struct ethtool_pauseparam *pauseparam)
1303 {
1304         struct mlx5_core_dev *mdev = priv->mdev;
1305         int err;
1306
1307         err = mlx5_query_port_pause(mdev, &pauseparam->rx_pause,
1308                                     &pauseparam->tx_pause);
1309         if (err) {
1310                 netdev_err(priv->netdev, "%s: mlx5_query_port_pause failed:0x%x\n",
1311                            __func__, err);
1312         }
1313 }
1314
1315 static void mlx5e_get_pauseparam(struct net_device *netdev,
1316                                  struct ethtool_pauseparam *pauseparam)
1317 {
1318         struct mlx5e_priv *priv = netdev_priv(netdev);
1319
1320         mlx5e_ethtool_get_pauseparam(priv, pauseparam);
1321 }
1322
1323 int mlx5e_ethtool_set_pauseparam(struct mlx5e_priv *priv,
1324                                  struct ethtool_pauseparam *pauseparam)
1325 {
1326         struct mlx5_core_dev *mdev = priv->mdev;
1327         int err;
1328
1329         if (!MLX5_CAP_GEN(mdev, vport_group_manager))
1330                 return -EOPNOTSUPP;
1331
1332         if (pauseparam->autoneg)
1333                 return -EINVAL;
1334
1335         err = mlx5_set_port_pause(mdev,
1336                                   pauseparam->rx_pause ? 1 : 0,
1337                                   pauseparam->tx_pause ? 1 : 0);
1338         if (err) {
1339                 netdev_err(priv->netdev, "%s: mlx5_set_port_pause failed:0x%x\n",
1340                            __func__, err);
1341         }
1342
1343         return err;
1344 }
1345
1346 static int mlx5e_set_pauseparam(struct net_device *netdev,
1347                                 struct ethtool_pauseparam *pauseparam)
1348 {
1349         struct mlx5e_priv *priv = netdev_priv(netdev);
1350
1351         return mlx5e_ethtool_set_pauseparam(priv, pauseparam);
1352 }
1353
1354 int mlx5e_ethtool_get_ts_info(struct mlx5e_priv *priv,
1355                               struct ethtool_ts_info *info)
1356 {
1357         struct mlx5_core_dev *mdev = priv->mdev;
1358
1359         info->phc_index = mlx5_clock_get_ptp_index(mdev);
1360
1361         if (!MLX5_CAP_GEN(priv->mdev, device_frequency_khz) ||
1362             info->phc_index == -1)
1363                 return 0;
1364
1365         info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE |
1366                                 SOF_TIMESTAMPING_RX_HARDWARE |
1367                                 SOF_TIMESTAMPING_RAW_HARDWARE;
1368
1369         info->tx_types = BIT(HWTSTAMP_TX_OFF) |
1370                          BIT(HWTSTAMP_TX_ON);
1371
1372         info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) |
1373                            BIT(HWTSTAMP_FILTER_ALL);
1374
1375         return 0;
1376 }
1377
1378 static int mlx5e_get_ts_info(struct net_device *dev,
1379                              struct ethtool_ts_info *info)
1380 {
1381         struct mlx5e_priv *priv = netdev_priv(dev);
1382
1383         return mlx5e_ethtool_get_ts_info(priv, info);
1384 }
1385
1386 static __u32 mlx5e_get_wol_supported(struct mlx5_core_dev *mdev)
1387 {
1388         __u32 ret = 0;
1389
1390         if (MLX5_CAP_GEN(mdev, wol_g))
1391                 ret |= WAKE_MAGIC;
1392
1393         if (MLX5_CAP_GEN(mdev, wol_s))
1394                 ret |= WAKE_MAGICSECURE;
1395
1396         if (MLX5_CAP_GEN(mdev, wol_a))
1397                 ret |= WAKE_ARP;
1398
1399         if (MLX5_CAP_GEN(mdev, wol_b))
1400                 ret |= WAKE_BCAST;
1401
1402         if (MLX5_CAP_GEN(mdev, wol_m))
1403                 ret |= WAKE_MCAST;
1404
1405         if (MLX5_CAP_GEN(mdev, wol_u))
1406                 ret |= WAKE_UCAST;
1407
1408         if (MLX5_CAP_GEN(mdev, wol_p))
1409                 ret |= WAKE_PHY;
1410
1411         return ret;
1412 }
1413
1414 static __u32 mlx5e_reformat_wol_mode_mlx5_to_linux(u8 mode)
1415 {
1416         __u32 ret = 0;
1417
1418         if (mode & MLX5_WOL_MAGIC)
1419                 ret |= WAKE_MAGIC;
1420
1421         if (mode & MLX5_WOL_SECURED_MAGIC)
1422                 ret |= WAKE_MAGICSECURE;
1423
1424         if (mode & MLX5_WOL_ARP)
1425                 ret |= WAKE_ARP;
1426
1427         if (mode & MLX5_WOL_BROADCAST)
1428                 ret |= WAKE_BCAST;
1429
1430         if (mode & MLX5_WOL_MULTICAST)
1431                 ret |= WAKE_MCAST;
1432
1433         if (mode & MLX5_WOL_UNICAST)
1434                 ret |= WAKE_UCAST;
1435
1436         if (mode & MLX5_WOL_PHY_ACTIVITY)
1437                 ret |= WAKE_PHY;
1438
1439         return ret;
1440 }
1441
1442 static u8 mlx5e_reformat_wol_mode_linux_to_mlx5(__u32 mode)
1443 {
1444         u8 ret = 0;
1445
1446         if (mode & WAKE_MAGIC)
1447                 ret |= MLX5_WOL_MAGIC;
1448
1449         if (mode & WAKE_MAGICSECURE)
1450                 ret |= MLX5_WOL_SECURED_MAGIC;
1451
1452         if (mode & WAKE_ARP)
1453                 ret |= MLX5_WOL_ARP;
1454
1455         if (mode & WAKE_BCAST)
1456                 ret |= MLX5_WOL_BROADCAST;
1457
1458         if (mode & WAKE_MCAST)
1459                 ret |= MLX5_WOL_MULTICAST;
1460
1461         if (mode & WAKE_UCAST)
1462                 ret |= MLX5_WOL_UNICAST;
1463
1464         if (mode & WAKE_PHY)
1465                 ret |= MLX5_WOL_PHY_ACTIVITY;
1466
1467         return ret;
1468 }
1469
1470 static void mlx5e_get_wol(struct net_device *netdev,
1471                           struct ethtool_wolinfo *wol)
1472 {
1473         struct mlx5e_priv *priv = netdev_priv(netdev);
1474         struct mlx5_core_dev *mdev = priv->mdev;
1475         u8 mlx5_wol_mode;
1476         int err;
1477
1478         memset(wol, 0, sizeof(*wol));
1479
1480         wol->supported = mlx5e_get_wol_supported(mdev);
1481         if (!wol->supported)
1482                 return;
1483
1484         err = mlx5_query_port_wol(mdev, &mlx5_wol_mode);
1485         if (err)
1486                 return;
1487
1488         wol->wolopts = mlx5e_reformat_wol_mode_mlx5_to_linux(mlx5_wol_mode);
1489 }
1490
1491 static int mlx5e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1492 {
1493         struct mlx5e_priv *priv = netdev_priv(netdev);
1494         struct mlx5_core_dev *mdev = priv->mdev;
1495         __u32 wol_supported = mlx5e_get_wol_supported(mdev);
1496         u32 mlx5_wol_mode;
1497
1498         if (!wol_supported)
1499                 return -EOPNOTSUPP;
1500
1501         if (wol->wolopts & ~wol_supported)
1502                 return -EINVAL;
1503
1504         mlx5_wol_mode = mlx5e_reformat_wol_mode_linux_to_mlx5(wol->wolopts);
1505
1506         return mlx5_set_port_wol(mdev, mlx5_wol_mode);
1507 }
1508
1509 static int mlx5e_get_fecparam(struct net_device *netdev,
1510                               struct ethtool_fecparam *fecparam)
1511 {
1512         struct mlx5e_priv *priv = netdev_priv(netdev);
1513         struct mlx5_core_dev *mdev = priv->mdev;
1514         u8 fec_configured = 0;
1515         u32 fec_active = 0;
1516         int err;
1517
1518         err = mlx5e_get_fec_mode(mdev, &fec_active, &fec_configured);
1519
1520         if (err)
1521                 return err;
1522
1523         fecparam->active_fec = pplm2ethtool_fec((u_long)fec_active,
1524                                                 sizeof(u32) * BITS_PER_BYTE);
1525
1526         if (!fecparam->active_fec)
1527                 return -EOPNOTSUPP;
1528
1529         fecparam->fec = pplm2ethtool_fec((u_long)fec_configured,
1530                                          sizeof(u8) * BITS_PER_BYTE);
1531
1532         return 0;
1533 }
1534
1535 static int mlx5e_set_fecparam(struct net_device *netdev,
1536                               struct ethtool_fecparam *fecparam)
1537 {
1538         struct mlx5e_priv *priv = netdev_priv(netdev);
1539         struct mlx5_core_dev *mdev = priv->mdev;
1540         u8 fec_policy = 0;
1541         int mode;
1542         int err;
1543
1544         for (mode = 0; mode < ARRAY_SIZE(pplm_fec_2_ethtool); mode++) {
1545                 if (!(pplm_fec_2_ethtool[mode] & fecparam->fec))
1546                         continue;
1547                 fec_policy |= (1 << mode);
1548                 break;
1549         }
1550
1551         err = mlx5e_set_fec_mode(mdev, fec_policy);
1552
1553         if (err)
1554                 return err;
1555
1556         mlx5_toggle_port_link(mdev);
1557
1558         return 0;
1559 }
1560
1561 static u32 mlx5e_get_msglevel(struct net_device *dev)
1562 {
1563         return ((struct mlx5e_priv *)netdev_priv(dev))->msglevel;
1564 }
1565
1566 static void mlx5e_set_msglevel(struct net_device *dev, u32 val)
1567 {
1568         ((struct mlx5e_priv *)netdev_priv(dev))->msglevel = val;
1569 }
1570
1571 static int mlx5e_set_phys_id(struct net_device *dev,
1572                              enum ethtool_phys_id_state state)
1573 {
1574         struct mlx5e_priv *priv = netdev_priv(dev);
1575         struct mlx5_core_dev *mdev = priv->mdev;
1576         u16 beacon_duration;
1577
1578         if (!MLX5_CAP_GEN(mdev, beacon_led))
1579                 return -EOPNOTSUPP;
1580
1581         switch (state) {
1582         case ETHTOOL_ID_ACTIVE:
1583                 beacon_duration = MLX5_BEACON_DURATION_INF;
1584                 break;
1585         case ETHTOOL_ID_INACTIVE:
1586                 beacon_duration = MLX5_BEACON_DURATION_OFF;
1587                 break;
1588         default:
1589                 return -EOPNOTSUPP;
1590         }
1591
1592         return mlx5_set_port_beacon(mdev, beacon_duration);
1593 }
1594
1595 static int mlx5e_get_module_info(struct net_device *netdev,
1596                                  struct ethtool_modinfo *modinfo)
1597 {
1598         struct mlx5e_priv *priv = netdev_priv(netdev);
1599         struct mlx5_core_dev *dev = priv->mdev;
1600         int size_read = 0;
1601         u8 data[4] = {0};
1602
1603         size_read = mlx5_query_module_eeprom(dev, 0, 2, data);
1604         if (size_read < 2)
1605                 return -EIO;
1606
1607         /* data[0] = identifier byte */
1608         switch (data[0]) {
1609         case MLX5_MODULE_ID_QSFP:
1610                 modinfo->type       = ETH_MODULE_SFF_8436;
1611                 modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN;
1612                 break;
1613         case MLX5_MODULE_ID_QSFP_PLUS:
1614         case MLX5_MODULE_ID_QSFP28:
1615                 /* data[1] = revision id */
1616                 if (data[0] == MLX5_MODULE_ID_QSFP28 || data[1] >= 0x3) {
1617                         modinfo->type       = ETH_MODULE_SFF_8636;
1618                         modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN;
1619                 } else {
1620                         modinfo->type       = ETH_MODULE_SFF_8436;
1621                         modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN;
1622                 }
1623                 break;
1624         case MLX5_MODULE_ID_SFP:
1625                 modinfo->type       = ETH_MODULE_SFF_8472;
1626                 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
1627                 break;
1628         default:
1629                 netdev_err(priv->netdev, "%s: cable type not recognized:0x%x\n",
1630                            __func__, data[0]);
1631                 return -EINVAL;
1632         }
1633
1634         return 0;
1635 }
1636
1637 static int mlx5e_get_module_eeprom(struct net_device *netdev,
1638                                    struct ethtool_eeprom *ee,
1639                                    u8 *data)
1640 {
1641         struct mlx5e_priv *priv = netdev_priv(netdev);
1642         struct mlx5_core_dev *mdev = priv->mdev;
1643         int offset = ee->offset;
1644         int size_read;
1645         int i = 0;
1646
1647         if (!ee->len)
1648                 return -EINVAL;
1649
1650         memset(data, 0, ee->len);
1651
1652         while (i < ee->len) {
1653                 size_read = mlx5_query_module_eeprom(mdev, offset, ee->len - i,
1654                                                      data + i);
1655
1656                 if (!size_read)
1657                         /* Done reading */
1658                         return 0;
1659
1660                 if (size_read < 0) {
1661                         netdev_err(priv->netdev, "%s: mlx5_query_eeprom failed:0x%x\n",
1662                                    __func__, size_read);
1663                         return 0;
1664                 }
1665
1666                 i += size_read;
1667                 offset += size_read;
1668         }
1669
1670         return 0;
1671 }
1672
1673 int mlx5e_ethtool_flash_device(struct mlx5e_priv *priv,
1674                                struct ethtool_flash *flash)
1675 {
1676         struct mlx5_core_dev *mdev = priv->mdev;
1677         struct net_device *dev = priv->netdev;
1678         const struct firmware *fw;
1679         int err;
1680
1681         if (flash->region != ETHTOOL_FLASH_ALL_REGIONS)
1682                 return -EOPNOTSUPP;
1683
1684         err = request_firmware_direct(&fw, flash->data, &dev->dev);
1685         if (err)
1686                 return err;
1687
1688         dev_hold(dev);
1689         rtnl_unlock();
1690
1691         err = mlx5_firmware_flash(mdev, fw, NULL);
1692         release_firmware(fw);
1693
1694         rtnl_lock();
1695         dev_put(dev);
1696         return err;
1697 }
1698
1699 static int mlx5e_flash_device(struct net_device *dev,
1700                               struct ethtool_flash *flash)
1701 {
1702         struct mlx5e_priv *priv = netdev_priv(dev);
1703
1704         return mlx5e_ethtool_flash_device(priv, flash);
1705 }
1706
1707 static int set_pflag_cqe_based_moder(struct net_device *netdev, bool enable,
1708                                      bool is_rx_cq)
1709 {
1710         struct mlx5e_priv *priv = netdev_priv(netdev);
1711         struct mlx5_core_dev *mdev = priv->mdev;
1712         struct mlx5e_channels new_channels = {};
1713         bool mode_changed;
1714         u8 cq_period_mode, current_cq_period_mode;
1715
1716         cq_period_mode = enable ?
1717                 MLX5_CQ_PERIOD_MODE_START_FROM_CQE :
1718                 MLX5_CQ_PERIOD_MODE_START_FROM_EQE;
1719         current_cq_period_mode = is_rx_cq ?
1720                 priv->channels.params.rx_cq_moderation.cq_period_mode :
1721                 priv->channels.params.tx_cq_moderation.cq_period_mode;
1722         mode_changed = cq_period_mode != current_cq_period_mode;
1723
1724         if (cq_period_mode == MLX5_CQ_PERIOD_MODE_START_FROM_CQE &&
1725             !MLX5_CAP_GEN(mdev, cq_period_start_from_cqe))
1726                 return -EOPNOTSUPP;
1727
1728         if (!mode_changed)
1729                 return 0;
1730
1731         new_channels.params = priv->channels.params;
1732         if (is_rx_cq)
1733                 mlx5e_set_rx_cq_mode_params(&new_channels.params, cq_period_mode);
1734         else
1735                 mlx5e_set_tx_cq_mode_params(&new_channels.params, cq_period_mode);
1736
1737         if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
1738                 priv->channels.params = new_channels.params;
1739                 return 0;
1740         }
1741
1742         return mlx5e_safe_switch_channels(priv, &new_channels, NULL);
1743 }
1744
1745 static int set_pflag_tx_cqe_based_moder(struct net_device *netdev, bool enable)
1746 {
1747         return set_pflag_cqe_based_moder(netdev, enable, false);
1748 }
1749
1750 static int set_pflag_rx_cqe_based_moder(struct net_device *netdev, bool enable)
1751 {
1752         return set_pflag_cqe_based_moder(netdev, enable, true);
1753 }
1754
1755 int mlx5e_modify_rx_cqe_compression_locked(struct mlx5e_priv *priv, bool new_val)
1756 {
1757         bool curr_val = MLX5E_GET_PFLAG(&priv->channels.params, MLX5E_PFLAG_RX_CQE_COMPRESS);
1758         struct mlx5e_channels new_channels = {};
1759         int err = 0;
1760
1761         if (!MLX5_CAP_GEN(priv->mdev, cqe_compression))
1762                 return new_val ? -EOPNOTSUPP : 0;
1763
1764         if (curr_val == new_val)
1765                 return 0;
1766
1767         new_channels.params = priv->channels.params;
1768         MLX5E_SET_PFLAG(&new_channels.params, MLX5E_PFLAG_RX_CQE_COMPRESS, new_val);
1769
1770         if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
1771                 priv->channels.params = new_channels.params;
1772                 return 0;
1773         }
1774
1775         err = mlx5e_safe_switch_channels(priv, &new_channels, NULL);
1776         if (err)
1777                 return err;
1778
1779         mlx5e_dbg(DRV, priv, "MLX5E: RxCqeCmprss was turned %s\n",
1780                   MLX5E_GET_PFLAG(&priv->channels.params,
1781                                   MLX5E_PFLAG_RX_CQE_COMPRESS) ? "ON" : "OFF");
1782
1783         return 0;
1784 }
1785
1786 static int set_pflag_rx_cqe_compress(struct net_device *netdev,
1787                                      bool enable)
1788 {
1789         struct mlx5e_priv *priv = netdev_priv(netdev);
1790         struct mlx5_core_dev *mdev = priv->mdev;
1791
1792         if (!MLX5_CAP_GEN(mdev, cqe_compression))
1793                 return -EOPNOTSUPP;
1794
1795         if (enable && priv->tstamp.rx_filter != HWTSTAMP_FILTER_NONE) {
1796                 netdev_err(netdev, "Can't enable cqe compression while timestamping is enabled.\n");
1797                 return -EINVAL;
1798         }
1799
1800         mlx5e_modify_rx_cqe_compression_locked(priv, enable);
1801         priv->channels.params.rx_cqe_compress_def = enable;
1802
1803         return 0;
1804 }
1805
1806 static int set_pflag_rx_striding_rq(struct net_device *netdev, bool enable)
1807 {
1808         struct mlx5e_priv *priv = netdev_priv(netdev);
1809         struct mlx5_core_dev *mdev = priv->mdev;
1810         struct mlx5e_channels new_channels = {};
1811
1812         if (enable) {
1813                 if (!mlx5e_check_fragmented_striding_rq_cap(mdev))
1814                         return -EOPNOTSUPP;
1815                 if (!mlx5e_striding_rq_possible(mdev, &priv->channels.params))
1816                         return -EINVAL;
1817         } else if (priv->channels.params.lro_en) {
1818                 netdev_warn(netdev, "Can't set legacy RQ with LRO, disable LRO first\n");
1819                 return -EINVAL;
1820         }
1821
1822         new_channels.params = priv->channels.params;
1823
1824         MLX5E_SET_PFLAG(&new_channels.params, MLX5E_PFLAG_RX_STRIDING_RQ, enable);
1825         mlx5e_set_rq_type(mdev, &new_channels.params);
1826
1827         if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
1828                 priv->channels.params = new_channels.params;
1829                 return 0;
1830         }
1831
1832         return mlx5e_safe_switch_channels(priv, &new_channels, NULL);
1833 }
1834
1835 static int set_pflag_rx_no_csum_complete(struct net_device *netdev, bool enable)
1836 {
1837         struct mlx5e_priv *priv = netdev_priv(netdev);
1838         struct mlx5e_channels *channels = &priv->channels;
1839         struct mlx5e_channel *c;
1840         int i;
1841
1842         if (!test_bit(MLX5E_STATE_OPENED, &priv->state) ||
1843             priv->channels.params.xdp_prog)
1844                 return 0;
1845
1846         for (i = 0; i < channels->num; i++) {
1847                 c = channels->c[i];
1848                 if (enable)
1849                         __set_bit(MLX5E_RQ_STATE_NO_CSUM_COMPLETE, &c->rq.state);
1850                 else
1851                         __clear_bit(MLX5E_RQ_STATE_NO_CSUM_COMPLETE, &c->rq.state);
1852         }
1853
1854         return 0;
1855 }
1856
1857 static int set_pflag_xdp_tx_mpwqe(struct net_device *netdev, bool enable)
1858 {
1859         struct mlx5e_priv *priv = netdev_priv(netdev);
1860         struct mlx5_core_dev *mdev = priv->mdev;
1861         struct mlx5e_channels new_channels = {};
1862         int err;
1863
1864         if (enable && !MLX5_CAP_ETH(mdev, enhanced_multi_pkt_send_wqe))
1865                 return -EOPNOTSUPP;
1866
1867         new_channels.params = priv->channels.params;
1868
1869         MLX5E_SET_PFLAG(&new_channels.params, MLX5E_PFLAG_XDP_TX_MPWQE, enable);
1870
1871         if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
1872                 priv->channels.params = new_channels.params;
1873                 return 0;
1874         }
1875
1876         err = mlx5e_safe_switch_channels(priv, &new_channels, NULL);
1877         return err;
1878 }
1879
1880 static const struct pflag_desc mlx5e_priv_flags[MLX5E_NUM_PFLAGS] = {
1881         { "rx_cqe_moder",        set_pflag_rx_cqe_based_moder },
1882         { "tx_cqe_moder",        set_pflag_tx_cqe_based_moder },
1883         { "rx_cqe_compress",     set_pflag_rx_cqe_compress },
1884         { "rx_striding_rq",      set_pflag_rx_striding_rq },
1885         { "rx_no_csum_complete", set_pflag_rx_no_csum_complete },
1886         { "xdp_tx_mpwqe",        set_pflag_xdp_tx_mpwqe },
1887 };
1888
1889 static int mlx5e_handle_pflag(struct net_device *netdev,
1890                               u32 wanted_flags,
1891                               enum mlx5e_priv_flag flag)
1892 {
1893         struct mlx5e_priv *priv = netdev_priv(netdev);
1894         bool enable = !!(wanted_flags & BIT(flag));
1895         u32 changes = wanted_flags ^ priv->channels.params.pflags;
1896         int err;
1897
1898         if (!(changes & BIT(flag)))
1899                 return 0;
1900
1901         err = mlx5e_priv_flags[flag].handler(netdev, enable);
1902         if (err) {
1903                 netdev_err(netdev, "%s private flag '%s' failed err %d\n",
1904                            enable ? "Enable" : "Disable", mlx5e_priv_flags[flag].name, err);
1905                 return err;
1906         }
1907
1908         MLX5E_SET_PFLAG(&priv->channels.params, flag, enable);
1909         return 0;
1910 }
1911
1912 static int mlx5e_set_priv_flags(struct net_device *netdev, u32 pflags)
1913 {
1914         struct mlx5e_priv *priv = netdev_priv(netdev);
1915         enum mlx5e_priv_flag pflag;
1916         int err;
1917
1918         mutex_lock(&priv->state_lock);
1919
1920         for (pflag = 0; pflag < MLX5E_NUM_PFLAGS; pflag++) {
1921                 err = mlx5e_handle_pflag(netdev, pflags, pflag);
1922                 if (err)
1923                         break;
1924         }
1925
1926         mutex_unlock(&priv->state_lock);
1927
1928         /* Need to fix some features.. */
1929         netdev_update_features(netdev);
1930
1931         return err;
1932 }
1933
1934 static u32 mlx5e_get_priv_flags(struct net_device *netdev)
1935 {
1936         struct mlx5e_priv *priv = netdev_priv(netdev);
1937
1938         return priv->channels.params.pflags;
1939 }
1940
1941 static int mlx5e_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info, u32 *rule_locs)
1942 {
1943         struct mlx5e_priv *priv = netdev_priv(dev);
1944
1945         /* ETHTOOL_GRXRINGS is needed by ethtool -x which is not part
1946          * of rxnfc. We keep this logic out of mlx5e_ethtool_get_rxnfc,
1947          * to avoid breaking "ethtool -x" when mlx5e_ethtool_get_rxnfc
1948          * is compiled out via CONFIG_MLX5_EN_RXNFC=n.
1949          */
1950         if (info->cmd == ETHTOOL_GRXRINGS) {
1951                 info->data = priv->channels.params.num_channels;
1952                 return 0;
1953         }
1954
1955         return mlx5e_ethtool_get_rxnfc(dev, info, rule_locs);
1956 }
1957
1958 static int mlx5e_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
1959 {
1960         return mlx5e_ethtool_set_rxnfc(dev, cmd);
1961 }
1962
1963 const struct ethtool_ops mlx5e_ethtool_ops = {
1964         .get_drvinfo       = mlx5e_get_drvinfo,
1965         .get_link          = ethtool_op_get_link,
1966         .get_strings       = mlx5e_get_strings,
1967         .get_sset_count    = mlx5e_get_sset_count,
1968         .get_ethtool_stats = mlx5e_get_ethtool_stats,
1969         .get_ringparam     = mlx5e_get_ringparam,
1970         .set_ringparam     = mlx5e_set_ringparam,
1971         .get_channels      = mlx5e_get_channels,
1972         .set_channels      = mlx5e_set_channels,
1973         .get_coalesce      = mlx5e_get_coalesce,
1974         .set_coalesce      = mlx5e_set_coalesce,
1975         .get_link_ksettings  = mlx5e_get_link_ksettings,
1976         .set_link_ksettings  = mlx5e_set_link_ksettings,
1977         .get_rxfh_key_size   = mlx5e_get_rxfh_key_size,
1978         .get_rxfh_indir_size = mlx5e_get_rxfh_indir_size,
1979         .get_rxfh          = mlx5e_get_rxfh,
1980         .set_rxfh          = mlx5e_set_rxfh,
1981         .get_rxnfc         = mlx5e_get_rxnfc,
1982         .set_rxnfc         = mlx5e_set_rxnfc,
1983         .get_tunable       = mlx5e_get_tunable,
1984         .set_tunable       = mlx5e_set_tunable,
1985         .get_pauseparam    = mlx5e_get_pauseparam,
1986         .set_pauseparam    = mlx5e_set_pauseparam,
1987         .get_ts_info       = mlx5e_get_ts_info,
1988         .set_phys_id       = mlx5e_set_phys_id,
1989         .get_wol           = mlx5e_get_wol,
1990         .set_wol           = mlx5e_set_wol,
1991         .get_module_info   = mlx5e_get_module_info,
1992         .get_module_eeprom = mlx5e_get_module_eeprom,
1993         .flash_device      = mlx5e_flash_device,
1994         .get_priv_flags    = mlx5e_get_priv_flags,
1995         .set_priv_flags    = mlx5e_set_priv_flags,
1996         .self_test         = mlx5e_self_test,
1997         .get_msglevel      = mlx5e_get_msglevel,
1998         .set_msglevel      = mlx5e_set_msglevel,
1999         .get_fecparam      = mlx5e_get_fecparam,
2000         .set_fecparam      = mlx5e_set_fecparam,
2001 };