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
  35 static void mlx5e_get_drvinfo(struct net_device *dev,
  36                               struct ethtool_drvinfo *drvinfo)
  37 {
  38         struct mlx5e_priv *priv = netdev_priv(dev);
  39         struct mlx5_core_dev *mdev = priv->mdev;
  40
  41         strlcpy(drvinfo->driver, DRIVER_NAME, sizeof(drvinfo->driver));
  42         strlcpy(drvinfo->version, DRIVER_VERSION " (" DRIVER_RELDATE ")",
  43                 sizeof(drvinfo->version));
  44         snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
  45                  "%d.%d.%d",
  46                  fw_rev_maj(mdev), fw_rev_min(mdev), fw_rev_sub(mdev));
  47         strlcpy(drvinfo->bus_info, pci_name(mdev->pdev),
  48                 sizeof(drvinfo->bus_info));
  49 }
  50
  51 struct ptys2ethtool_config {
  52         __ETHTOOL_DECLARE_LINK_MODE_MASK(supported);
  53         __ETHTOOL_DECLARE_LINK_MODE_MASK(advertised);
  54         u32 speed;
  55 };
  56
  57 static struct ptys2ethtool_config ptys2ethtool_table[MLX5E_LINK_MODES_NUMBER];
  58
  59 #define MLX5_BUILD_PTYS2ETHTOOL_CONFIG(reg_, speed_, ...)               \
  60         ({                                                              \
  61                 struct ptys2ethtool_config *cfg;                        \
  62                 const unsigned int modes[] = { __VA_ARGS__ };           \
  63                 unsigned int i;                                         \
  64                 cfg = &ptys2ethtool_table[reg_];                        \
  65                 cfg->speed = speed_;                                    \
  66                 bitmap_zero(cfg->supported,                             \
  67                             __ETHTOOL_LINK_MODE_MASK_NBITS);            \
  68                 bitmap_zero(cfg->advertised,                            \
  69                             __ETHTOOL_LINK_MODE_MASK_NBITS);            \
  70                 for (i = 0 ; i < ARRAY_SIZE(modes) ; ++i) {             \
  71                         __set_bit(modes[i], cfg->supported);            \
  72                         __set_bit(modes[i], cfg->advertised);           \
  73                 }                                                       \
  74         })
  75
  76 void mlx5e_build_ptys2ethtool_map(void)
  77 {
  78         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_1000BASE_CX_SGMII, SPEED_1000,
  79                                        ETHTOOL_LINK_MODE_1000baseKX_Full_BIT);
  80         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_1000BASE_KX, SPEED_1000,
  81                                        ETHTOOL_LINK_MODE_1000baseKX_Full_BIT);
  82         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_CX4, SPEED_10000,
  83                                        ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT);
  84         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_KX4, SPEED_10000,
  85                                        ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT);
  86         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_KR, SPEED_10000,
  87                                        ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
  88         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_20GBASE_KR2, SPEED_20000,
  89                                        ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT);
  90         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_CR4, SPEED_40000,
  91                                        ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT);
  92         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_KR4, SPEED_40000,
  93                                        ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT);
  94         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_56GBASE_R4, SPEED_56000,
  95                                        ETHTOOL_LINK_MODE_56000baseKR4_Full_BIT);
  96         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_CR, SPEED_10000,
  97                                        ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
  98         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_SR, SPEED_10000,
  99                                        ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
 100         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_ER, SPEED_10000,
 101                                        ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
 102         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_SR4, SPEED_40000,
 103                                        ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT);
 104         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_LR4, SPEED_40000,
 105                                        ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT);
 106         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GBASE_SR2, SPEED_50000,
 107                                        ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT);
 108         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_CR4, SPEED_100000,
 109                                        ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT);
 110         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_SR4, SPEED_100000,
 111                                        ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT);
 112         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_KR4, SPEED_100000,
 113                                        ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT);
 114         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_LR4, SPEED_100000,
 115                                        ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT);
 116         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_T, SPEED_10000,
 117                                        ETHTOOL_LINK_MODE_10000baseT_Full_BIT);
 118         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_CR, SPEED_25000,
 119                                        ETHTOOL_LINK_MODE_25000baseCR_Full_BIT);
 120         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_KR, SPEED_25000,
 121                                        ETHTOOL_LINK_MODE_25000baseKR_Full_BIT);
 122         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_SR, SPEED_25000,
 123                                        ETHTOOL_LINK_MODE_25000baseSR_Full_BIT);
 124         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GBASE_CR2, SPEED_50000,
 125                                        ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT);
 126         MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GBASE_KR2, SPEED_50000,
 127                                        ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT);
 128 }
 129
 130 static unsigned long mlx5e_query_pfc_combined(struct mlx5e_priv *priv)
 131 {
 132         struct mlx5_core_dev *mdev = priv->mdev;
 133         u8 pfc_en_tx;
 134         u8 pfc_en_rx;
 135         int err;
 136
 137         err = mlx5_query_port_pfc(mdev, &pfc_en_tx, &pfc_en_rx);
 138
 139         return err ? 0 : pfc_en_tx | pfc_en_rx;
 140 }
 141
 142 static bool mlx5e_query_global_pause_combined(struct mlx5e_priv *priv)
 143 {
 144         struct mlx5_core_dev *mdev = priv->mdev;
 145         u32 rx_pause;
 146         u32 tx_pause;
 147         int err;
 148
 149         err = mlx5_query_port_pause(mdev, &rx_pause, &tx_pause);
 150
 151         return err ? false : rx_pause | tx_pause;
 152 }
 153
 154 #define MLX5E_NUM_Q_CNTRS(priv) (NUM_Q_COUNTERS * (!!priv->q_counter))
 155 #define MLX5E_NUM_RQ_STATS(priv) \
 156         (NUM_RQ_STATS * priv->params.num_channels * \
 157          test_bit(MLX5E_STATE_OPENED, &priv->state))
 158 #define MLX5E_NUM_SQ_STATS(priv) \
 159         (NUM_SQ_STATS * priv->params.num_channels * priv->params.num_tc * \
 160          test_bit(MLX5E_STATE_OPENED, &priv->state))
 161 #define MLX5E_NUM_PFC_COUNTERS(priv) \
 162         ((mlx5e_query_global_pause_combined(priv) + hweight8(mlx5e_query_pfc_combined(priv))) * \
 163           NUM_PPORT_PER_PRIO_PFC_COUNTERS)
 164
 165 static int mlx5e_get_sset_count(struct net_device *dev, int sset)
 166 {
 167         struct mlx5e_priv *priv = netdev_priv(dev);
 168
 169         switch (sset) {
 170         case ETH_SS_STATS:
 171                 return NUM_SW_COUNTERS +
 172                        MLX5E_NUM_Q_CNTRS(priv) +
 173                        NUM_VPORT_COUNTERS + NUM_PPORT_COUNTERS(priv) +
 174                        NUM_PCIE_COUNTERS(priv) +
 175                        MLX5E_NUM_RQ_STATS(priv) +
 176                        MLX5E_NUM_SQ_STATS(priv) +
 177                        MLX5E_NUM_PFC_COUNTERS(priv) +
 178                        ARRAY_SIZE(mlx5e_pme_status_desc) +
 179                        ARRAY_SIZE(mlx5e_pme_error_desc);
 180
 181         case ETH_SS_PRIV_FLAGS:
 182                 return ARRAY_SIZE(mlx5e_priv_flags);
 183         case ETH_SS_TEST:
 184                 return mlx5e_self_test_num(priv);
 185         /* fallthrough */
 186         default:
 187                 return -EOPNOTSUPP;
 188         }
 189 }
 190
 191 static void mlx5e_fill_stats_strings(struct mlx5e_priv *priv, uint8_t *data)
 192 {
 193         int i, j, tc, prio, idx = 0;
 194         unsigned long pfc_combined;
 195
 196         /* SW counters */
 197         for (i = 0; i < NUM_SW_COUNTERS; i++)
 198                 strcpy(data + (idx++) * ETH_GSTRING_LEN, sw_stats_desc[i].format);
 199
 200         /* Q counters */
 201         for (i = 0; i < MLX5E_NUM_Q_CNTRS(priv); i++)
 202                 strcpy(data + (idx++) * ETH_GSTRING_LEN, q_stats_desc[i].format);
 203
 204         /* VPORT counters */
 205         for (i = 0; i < NUM_VPORT_COUNTERS; i++)
 206                 strcpy(data + (idx++) * ETH_GSTRING_LEN,
 207                        vport_stats_desc[i].format);
 208
 209         /* PPORT counters */
 210         for (i = 0; i < NUM_PPORT_802_3_COUNTERS; i++)
 211                 strcpy(data + (idx++) * ETH_GSTRING_LEN,
 212                        pport_802_3_stats_desc[i].format);
 213
 214         for (i = 0; i < NUM_PPORT_2863_COUNTERS; i++)
 215                 strcpy(data + (idx++) * ETH_GSTRING_LEN,
 216                        pport_2863_stats_desc[i].format);
 217
 218         for (i = 0; i < NUM_PPORT_2819_COUNTERS; i++)
 219                 strcpy(data + (idx++) * ETH_GSTRING_LEN,
 220                        pport_2819_stats_desc[i].format);
 221
 222         for (i = 0; i < NUM_PPORT_PHY_STATISTICAL_COUNTERS(priv); i++)
 223                 strcpy(data + (idx++) * ETH_GSTRING_LEN,
 224                        pport_phy_statistical_stats_desc[i].format);
 225
 226         for (i = 0; i < NUM_PCIE_PERF_COUNTERS(priv); i++)
 227                 strcpy(data + (idx++) * ETH_GSTRING_LEN,
 228                        pcie_perf_stats_desc[i].format);
 229
 230         for (prio = 0; prio < NUM_PPORT_PRIO; prio++) {
 231                 for (i = 0; i < NUM_PPORT_PER_PRIO_TRAFFIC_COUNTERS; i++)
 232                         sprintf(data + (idx++) * ETH_GSTRING_LEN,
 233                                 pport_per_prio_traffic_stats_desc[i].format, prio);
 234         }
 235
 236         pfc_combined = mlx5e_query_pfc_combined(priv);
 237         for_each_set_bit(prio, &pfc_combined, NUM_PPORT_PRIO) {
 238                 for (i = 0; i < NUM_PPORT_PER_PRIO_PFC_COUNTERS; i++) {
 239                         char pfc_string[ETH_GSTRING_LEN];
 240
 241                         snprintf(pfc_string, sizeof(pfc_string), "prio%d", prio);
 242                         sprintf(data + (idx++) * ETH_GSTRING_LEN,
 243                                 pport_per_prio_pfc_stats_desc[i].format, pfc_string);
 244                 }
 245         }
 246
 247         if (mlx5e_query_global_pause_combined(priv)) {
 248                 for (i = 0; i < NUM_PPORT_PER_PRIO_PFC_COUNTERS; i++) {
 249                         sprintf(data + (idx++) * ETH_GSTRING_LEN,
 250                                 pport_per_prio_pfc_stats_desc[i].format, "global");
 251                 }
 252         }
 253
 254         /* port module event counters */
 255         for (i = 0; i < ARRAY_SIZE(mlx5e_pme_status_desc); i++)
 256                 strcpy(data + (idx++) * ETH_GSTRING_LEN, mlx5e_pme_status_desc[i].format);
 257
 258         for (i = 0; i < ARRAY_SIZE(mlx5e_pme_error_desc); i++)
 259                 strcpy(data + (idx++) * ETH_GSTRING_LEN, mlx5e_pme_error_desc[i].format);
 260
 261         if (!test_bit(MLX5E_STATE_OPENED, &priv->state))
 262                 return;
 263
 264         /* per channel counters */
 265         for (i = 0; i < priv->params.num_channels; i++)
 266                 for (j = 0; j < NUM_RQ_STATS; j++)
 267                         sprintf(data + (idx++) * ETH_GSTRING_LEN,
 268                                 rq_stats_desc[j].format, i);
 269
 270         for (tc = 0; tc < priv->params.num_tc; tc++)
 271                 for (i = 0; i < priv->params.num_channels; i++)
 272                         for (j = 0; j < NUM_SQ_STATS; j++)
 273                                 sprintf(data + (idx++) * ETH_GSTRING_LEN,
 274                                         sq_stats_desc[j].format,
 275                                         priv->channeltc_to_txq_map[i][tc]);
 276 }
 277
 278 static void mlx5e_get_strings(struct net_device *dev,
 279                               uint32_t stringset, uint8_t *data)
 280 {
 281         struct mlx5e_priv *priv = netdev_priv(dev);
 282         int i;
 283
 284         switch (stringset) {
 285         case ETH_SS_PRIV_FLAGS:
 286                 for (i = 0; i < ARRAY_SIZE(mlx5e_priv_flags); i++)
 287                         strcpy(data + i * ETH_GSTRING_LEN, mlx5e_priv_flags[i]);
 288                 break;
 289
 290         case ETH_SS_TEST:
 291                 for (i = 0; i < mlx5e_self_test_num(priv); i++)
 292                         strcpy(data + i * ETH_GSTRING_LEN,
 293                                mlx5e_self_tests[i]);
 294                 break;
 295
 296         case ETH_SS_STATS:
 297                 mlx5e_fill_stats_strings(priv, data);
 298                 break;
 299         }
 300 }
 301
 302 static void mlx5e_get_ethtool_stats(struct net_device *dev,
 303                                     struct ethtool_stats *stats, u64 *data)
 304 {
 305         struct mlx5e_priv *priv = netdev_priv(dev);
 306         struct mlx5_priv *mlx5_priv;
 307         int i, j, tc, prio, idx = 0;
 308         unsigned long pfc_combined;
 309
 310         if (!data)
 311                 return;
 312
 313         mutex_lock(&priv->state_lock);
 314         if (test_bit(MLX5E_STATE_OPENED, &priv->state))
 315                 mlx5e_update_stats(priv);
 316         mutex_unlock(&priv->state_lock);
 317
 318         for (i = 0; i < NUM_SW_COUNTERS; i++)
 319                 data[idx++] = MLX5E_READ_CTR64_CPU(&priv->stats.sw,
 320                                                    sw_stats_desc, i);
 321
 322         for (i = 0; i < MLX5E_NUM_Q_CNTRS(priv); i++)
 323                 data[idx++] = MLX5E_READ_CTR32_CPU(&priv->stats.qcnt,
 324                                                    q_stats_desc, i);
 325
 326         for (i = 0; i < NUM_VPORT_COUNTERS; i++)
 327                 data[idx++] = MLX5E_READ_CTR64_BE(priv->stats.vport.query_vport_out,
 328                                                   vport_stats_desc, i);
 329
 330         for (i = 0; i < NUM_PPORT_802_3_COUNTERS; i++)
 331                 data[idx++] = MLX5E_READ_CTR64_BE(&priv->stats.pport.IEEE_802_3_counters,
 332                                                   pport_802_3_stats_desc, i);
 333
 334         for (i = 0; i < NUM_PPORT_2863_COUNTERS; i++)
 335                 data[idx++] = MLX5E_READ_CTR64_BE(&priv->stats.pport.RFC_2863_counters,
 336                                                   pport_2863_stats_desc, i);
 337
 338         for (i = 0; i < NUM_PPORT_2819_COUNTERS; i++)
 339                 data[idx++] = MLX5E_READ_CTR64_BE(&priv->stats.pport.RFC_2819_counters,
 340                                                   pport_2819_stats_desc, i);
 341
 342         for (i = 0; i < NUM_PPORT_PHY_STATISTICAL_COUNTERS(priv); i++)
 343                 data[idx++] = MLX5E_READ_CTR64_BE(&priv->stats.pport.phy_statistical_counters,
 344                                                   pport_phy_statistical_stats_desc, i);
 345
 346         for (i = 0; i < NUM_PCIE_PERF_COUNTERS(priv); i++)
 347                 data[idx++] = MLX5E_READ_CTR32_BE(&priv->stats.pcie.pcie_perf_counters,
 348                                                   pcie_perf_stats_desc, i);
 349
 350         for (prio = 0; prio < NUM_PPORT_PRIO; prio++) {
 351                 for (i = 0; i < NUM_PPORT_PER_PRIO_TRAFFIC_COUNTERS; i++)
 352                         data[idx++] = MLX5E_READ_CTR64_BE(&priv->stats.pport.per_prio_counters[prio],
 353                                                  pport_per_prio_traffic_stats_desc, i);
 354         }
 355
 356         pfc_combined = mlx5e_query_pfc_combined(priv);
 357         for_each_set_bit(prio, &pfc_combined, NUM_PPORT_PRIO) {
 358                 for (i = 0; i < NUM_PPORT_PER_PRIO_PFC_COUNTERS; i++) {
 359                         data[idx++] = MLX5E_READ_CTR64_BE(&priv->stats.pport.per_prio_counters[prio],
 360                                                           pport_per_prio_pfc_stats_desc, i);
 361                 }
 362         }
 363
 364         if (mlx5e_query_global_pause_combined(priv)) {
 365                 for (i = 0; i < NUM_PPORT_PER_PRIO_PFC_COUNTERS; i++) {
 366                         data[idx++] = MLX5E_READ_CTR64_BE(&priv->stats.pport.per_prio_counters[0],
 367                                                           pport_per_prio_pfc_stats_desc, i);
 368                 }
 369         }
 370
 371         /* port module event counters */
 372         mlx5_priv =  &priv->mdev->priv;
 373         for (i = 0; i < ARRAY_SIZE(mlx5e_pme_status_desc); i++)
 374                 data[idx++] = MLX5E_READ_CTR64_CPU(mlx5_priv->pme_stats.status_counters,
 375                                                    mlx5e_pme_status_desc, i);
 376
 377         for (i = 0; i < ARRAY_SIZE(mlx5e_pme_error_desc); i++)
 378                 data[idx++] = MLX5E_READ_CTR64_CPU(mlx5_priv->pme_stats.error_counters,
 379                                                    mlx5e_pme_error_desc, i);
 380
 381         if (!test_bit(MLX5E_STATE_OPENED, &priv->state))
 382                 return;
 383
 384         /* per channel counters */
 385         for (i = 0; i < priv->params.num_channels; i++)
 386                 for (j = 0; j < NUM_RQ_STATS; j++)
 387                         data[idx++] =
 388                                MLX5E_READ_CTR64_CPU(&priv->channel[i]->rq.stats,
 389                                                     rq_stats_desc, j);
 390
 391         for (tc = 0; tc < priv->params.num_tc; tc++)
 392                 for (i = 0; i < priv->params.num_channels; i++)
 393                         for (j = 0; j < NUM_SQ_STATS; j++)
 394                                 data[idx++] = MLX5E_READ_CTR64_CPU(&priv->channel[i]->sq[tc].stats,
 395                                                                    sq_stats_desc, j);
 396 }
 397
 398 static u32 mlx5e_rx_wqes_to_packets(struct mlx5e_priv *priv, int rq_wq_type,
 399                                     int num_wqe)
 400 {
 401         int packets_per_wqe;
 402         int stride_size;
 403         int num_strides;
 404         int wqe_size;
 405
 406         if (rq_wq_type != MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ)
 407                 return num_wqe;
 408
 409         stride_size = 1 << priv->params.mpwqe_log_stride_sz;
 410         num_strides = 1 << priv->params.mpwqe_log_num_strides;
 411         wqe_size = stride_size * num_strides;
 412
 413         packets_per_wqe = wqe_size /
 414                           ALIGN(ETH_DATA_LEN, stride_size);
 415         return (1 << (order_base_2(num_wqe * packets_per_wqe) - 1));
 416 }
 417
 418 static u32 mlx5e_packets_to_rx_wqes(struct mlx5e_priv *priv, int rq_wq_type,
 419                                     int num_packets)
 420 {
 421         int packets_per_wqe;
 422         int stride_size;
 423         int num_strides;
 424         int wqe_size;
 425         int num_wqes;
 426
 427         if (rq_wq_type != MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ)
 428                 return num_packets;
 429
 430         stride_size = 1 << priv->params.mpwqe_log_stride_sz;
 431         num_strides = 1 << priv->params.mpwqe_log_num_strides;
 432         wqe_size = stride_size * num_strides;
 433
 434         num_packets = (1 << order_base_2(num_packets));
 435
 436         packets_per_wqe = wqe_size /
 437                           ALIGN(ETH_DATA_LEN, stride_size);
 438         num_wqes = DIV_ROUND_UP(num_packets, packets_per_wqe);
 439         return 1 << (order_base_2(num_wqes));
 440 }
 441
 442 static void mlx5e_get_ringparam(struct net_device *dev,
 443                                 struct ethtool_ringparam *param)
 444 {
 445         struct mlx5e_priv *priv = netdev_priv(dev);
 446         int rq_wq_type = priv->params.rq_wq_type;
 447
 448         param->rx_max_pending = mlx5e_rx_wqes_to_packets(priv, rq_wq_type,
 449                                                          1 << mlx5_max_log_rq_size(rq_wq_type));
 450         param->tx_max_pending = 1 << MLX5E_PARAMS_MAXIMUM_LOG_SQ_SIZE;
 451         param->rx_pending = mlx5e_rx_wqes_to_packets(priv, rq_wq_type,
 452                                                      1 << priv->params.log_rq_size);
 453         param->tx_pending     = 1 << priv->params.log_sq_size;
 454 }
 455
 456 static int mlx5e_set_ringparam(struct net_device *dev,
 457                                struct ethtool_ringparam *param)
 458 {
 459         struct mlx5e_priv *priv = netdev_priv(dev);
 460         bool was_opened;
 461         int rq_wq_type = priv->params.rq_wq_type;
 462         u32 rx_pending_wqes;
 463         u32 min_rq_size;
 464         u32 max_rq_size;
 465         u16 min_rx_wqes;
 466         u8 log_rq_size;
 467         u8 log_sq_size;
 468         u32 num_mtts;
 469         int err = 0;
 470
 471         if (param->rx_jumbo_pending) {
 472                 netdev_info(dev, "%s: rx_jumbo_pending not supported\n",
 473                             __func__);
 474                 return -EINVAL;
 475         }
 476         if (param->rx_mini_pending) {
 477                 netdev_info(dev, "%s: rx_mini_pending not supported\n",
 478                             __func__);
 479                 return -EINVAL;
 480         }
 481
 482         min_rq_size = mlx5e_rx_wqes_to_packets(priv, rq_wq_type,
 483                                                1 << mlx5_min_log_rq_size(rq_wq_type));
 484         max_rq_size = mlx5e_rx_wqes_to_packets(priv, rq_wq_type,
 485                                                1 << mlx5_max_log_rq_size(rq_wq_type));
 486         rx_pending_wqes = mlx5e_packets_to_rx_wqes(priv, rq_wq_type,
 487                                                    param->rx_pending);
 488
 489         if (param->rx_pending < min_rq_size) {
 490                 netdev_info(dev, "%s: rx_pending (%d) < min (%d)\n",
 491                             __func__, param->rx_pending,
 492                             min_rq_size);
 493                 return -EINVAL;
 494         }
 495         if (param->rx_pending > max_rq_size) {
 496                 netdev_info(dev, "%s: rx_pending (%d) > max (%d)\n",
 497                             __func__, param->rx_pending,
 498                             max_rq_size);
 499                 return -EINVAL;
 500         }
 501
 502         num_mtts = MLX5E_REQUIRED_MTTS(rx_pending_wqes);
 503         if (priv->params.rq_wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ &&
 504             !MLX5E_VALID_NUM_MTTS(num_mtts)) {
 505                 netdev_info(dev, "%s: rx_pending (%d) request can't be satisfied, try to reduce.\n",
 506                             __func__, param->rx_pending);
 507                 return -EINVAL;
 508         }
 509
 510         if (param->tx_pending < (1 << MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE)) {
 511                 netdev_info(dev, "%s: tx_pending (%d) < min (%d)\n",
 512                             __func__, param->tx_pending,
 513                             1 << MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE);
 514                 return -EINVAL;
 515         }
 516         if (param->tx_pending > (1 << MLX5E_PARAMS_MAXIMUM_LOG_SQ_SIZE)) {
 517                 netdev_info(dev, "%s: tx_pending (%d) > max (%d)\n",
 518                             __func__, param->tx_pending,
 519                             1 << MLX5E_PARAMS_MAXIMUM_LOG_SQ_SIZE);
 520                 return -EINVAL;
 521         }
 522
 523         log_rq_size = order_base_2(rx_pending_wqes);
 524         log_sq_size = order_base_2(param->tx_pending);
 525         min_rx_wqes = mlx5_min_rx_wqes(rq_wq_type, rx_pending_wqes);
 526
 527         if (log_rq_size == priv->params.log_rq_size &&
 528             log_sq_size == priv->params.log_sq_size &&
 529             min_rx_wqes == priv->params.min_rx_wqes)
 530                 return 0;
 531
 532         mutex_lock(&priv->state_lock);
 533
 534         was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state);
 535         if (was_opened)
 536                 mlx5e_close_locked(dev);
 537
 538         priv->params.log_rq_size = log_rq_size;
 539         priv->params.log_sq_size = log_sq_size;
 540         priv->params.min_rx_wqes = min_rx_wqes;
 541
 542         if (was_opened)
 543                 err = mlx5e_open_locked(dev);
 544
 545         mutex_unlock(&priv->state_lock);
 546
 547         return err;
 548 }
 549
 550 static void mlx5e_get_channels(struct net_device *dev,
 551                                struct ethtool_channels *ch)
 552 {
 553         struct mlx5e_priv *priv = netdev_priv(dev);
 554
 555         ch->max_combined   = priv->profile->max_nch(priv->mdev);
 556         ch->combined_count = priv->params.num_channels;
 557 }
 558
 559 static int mlx5e_set_channels(struct net_device *dev,
 560                               struct ethtool_channels *ch)
 561 {
 562         struct mlx5e_priv *priv = netdev_priv(dev);
 563         unsigned int count = ch->combined_count;
 564         bool arfs_enabled;
 565         bool was_opened;
 566         int err = 0;
 567
 568         if (!count) {
 569                 netdev_info(dev, "%s: combined_count=0 not supported\n",
 570                             __func__);
 571                 return -EINVAL;
 572         }
 573
 574         if (priv->params.num_channels == count)
 575                 return 0;
 576
 577         mutex_lock(&priv->state_lock);
 578
 579         was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state);
 580         if (was_opened)
 581                 mlx5e_close_locked(dev);
 582
 583         arfs_enabled = dev->features & NETIF_F_NTUPLE;
 584         if (arfs_enabled)
 585                 mlx5e_arfs_disable(priv);
 586
 587         priv->params.num_channels = count;
 588         mlx5e_build_default_indir_rqt(priv->mdev, priv->params.indirection_rqt,
 589                                       MLX5E_INDIR_RQT_SIZE, count);
 590
 591         if (was_opened)
 592                 err = mlx5e_open_locked(dev);
 593         if (err)
 594                 goto out;
 595
 596         if (arfs_enabled) {
 597                 err = mlx5e_arfs_enable(priv);
 598                 if (err)
 599                         netdev_err(dev, "%s: mlx5e_arfs_enable failed: %d\n",
 600                                    __func__, err);
 601         }
 602
 603 out:
 604         mutex_unlock(&priv->state_lock);
 605
 606         return err;
 607 }
 608
 609 static int mlx5e_get_coalesce(struct net_device *netdev,
 610                               struct ethtool_coalesce *coal)
 611 {
 612         struct mlx5e_priv *priv = netdev_priv(netdev);
 613
 614         if (!MLX5_CAP_GEN(priv->mdev, cq_moderation))
 615                 return -EOPNOTSUPP;
 616
 617         coal->rx_coalesce_usecs       = priv->params.rx_cq_moderation.usec;
 618         coal->rx_max_coalesced_frames = priv->params.rx_cq_moderation.pkts;
 619         coal->tx_coalesce_usecs       = priv->params.tx_cq_moderation.usec;
 620         coal->tx_max_coalesced_frames = priv->params.tx_cq_moderation.pkts;
 621         coal->use_adaptive_rx_coalesce = priv->params.rx_am_enabled;
 622
 623         return 0;
 624 }
 625
 626 static int mlx5e_set_coalesce(struct net_device *netdev,
 627                               struct ethtool_coalesce *coal)
 628 {
 629         struct mlx5e_priv *priv    = netdev_priv(netdev);
 630         struct mlx5_core_dev *mdev = priv->mdev;
 631         struct mlx5e_channel *c;
 632         bool restart =
 633                 !!coal->use_adaptive_rx_coalesce != priv->params.rx_am_enabled;
 634         bool was_opened;
 635         int err = 0;
 636         int tc;
 637         int i;
 638
 639         if (!MLX5_CAP_GEN(mdev, cq_moderation))
 640                 return -EOPNOTSUPP;
 641
 642         mutex_lock(&priv->state_lock);
 643
 644         was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state);
 645         if (was_opened && restart) {
 646                 mlx5e_close_locked(netdev);
 647                 priv->params.rx_am_enabled = !!coal->use_adaptive_rx_coalesce;
 648         }
 649
 650         priv->params.tx_cq_moderation.usec = coal->tx_coalesce_usecs;
 651         priv->params.tx_cq_moderation.pkts = coal->tx_max_coalesced_frames;
 652         priv->params.rx_cq_moderation.usec = coal->rx_coalesce_usecs;
 653         priv->params.rx_cq_moderation.pkts = coal->rx_max_coalesced_frames;
 654
 655         if (!was_opened || restart)
 656                 goto out;
 657
 658         for (i = 0; i < priv->params.num_channels; ++i) {
 659                 c = priv->channel[i];
 660
 661                 for (tc = 0; tc < c->num_tc; tc++) {
 662                         mlx5_core_modify_cq_moderation(mdev,
 663                                                 &c->sq[tc].cq.mcq,
 664                                                 coal->tx_coalesce_usecs,
 665                                                 coal->tx_max_coalesced_frames);
 666                 }
 667
 668                 mlx5_core_modify_cq_moderation(mdev, &c->rq.cq.mcq,
 669                                                coal->rx_coalesce_usecs,
 670                                                coal->rx_max_coalesced_frames);
 671         }
 672
 673 out:
 674         if (was_opened && restart)
 675                 err = mlx5e_open_locked(netdev);
 676
 677         mutex_unlock(&priv->state_lock);
 678         return err;
 679 }
 680
 681 static void ptys2ethtool_supported_link(unsigned long *supported_modes,
 682                                         u32 eth_proto_cap)
 683 {
 684         unsigned long proto_cap = eth_proto_cap;
 685         int proto;
 686
 687         for_each_set_bit(proto, &proto_cap, MLX5E_LINK_MODES_NUMBER)
 688                 bitmap_or(supported_modes, supported_modes,
 689                           ptys2ethtool_table[proto].supported,
 690                           __ETHTOOL_LINK_MODE_MASK_NBITS);
 691 }
 692
 693 static void ptys2ethtool_adver_link(unsigned long *advertising_modes,
 694                                     u32 eth_proto_cap)
 695 {
 696         unsigned long proto_cap = eth_proto_cap;
 697         int proto;
 698
 699         for_each_set_bit(proto, &proto_cap, MLX5E_LINK_MODES_NUMBER)
 700                 bitmap_or(advertising_modes, advertising_modes,
 701                           ptys2ethtool_table[proto].advertised,
 702                           __ETHTOOL_LINK_MODE_MASK_NBITS);
 703 }
 704
 705 static void ptys2ethtool_supported_port(struct ethtool_link_ksettings *link_ksettings,
 706                                         u32 eth_proto_cap)
 707 {
 708         if (eth_proto_cap & (MLX5E_PROT_MASK(MLX5E_10GBASE_CR)
 709                            | MLX5E_PROT_MASK(MLX5E_10GBASE_SR)
 710                            | MLX5E_PROT_MASK(MLX5E_40GBASE_CR4)
 711                            | MLX5E_PROT_MASK(MLX5E_40GBASE_SR4)
 712                            | MLX5E_PROT_MASK(MLX5E_100GBASE_SR4)
 713                            | MLX5E_PROT_MASK(MLX5E_1000BASE_CX_SGMII))) {
 714                 ethtool_link_ksettings_add_link_mode(link_ksettings, supported, FIBRE);
 715         }
 716
 717         if (eth_proto_cap & (MLX5E_PROT_MASK(MLX5E_100GBASE_KR4)
 718                            | MLX5E_PROT_MASK(MLX5E_40GBASE_KR4)
 719                            | MLX5E_PROT_MASK(MLX5E_10GBASE_KR)
 720                            | MLX5E_PROT_MASK(MLX5E_10GBASE_KX4)
 721                            | MLX5E_PROT_MASK(MLX5E_1000BASE_KX))) {
 722                 ethtool_link_ksettings_add_link_mode(link_ksettings, supported, Backplane);
 723         }
 724 }
 725
 726 int mlx5e_get_max_linkspeed(struct mlx5_core_dev *mdev, u32 *speed)
 727 {
 728         u32 max_speed = 0;
 729         u32 proto_cap;
 730         int err;
 731         int i;
 732
 733         err = mlx5_query_port_proto_cap(mdev, &proto_cap, MLX5_PTYS_EN);
 734         if (err)
 735                 return err;
 736
 737         for (i = 0; i < MLX5E_LINK_MODES_NUMBER; ++i)
 738                 if (proto_cap & MLX5E_PROT_MASK(i))
 739                         max_speed = max(max_speed, ptys2ethtool_table[i].speed);
 740
 741         *speed = max_speed;
 742         return 0;
 743 }
 744
 745 static void get_speed_duplex(struct net_device *netdev,
 746                              u32 eth_proto_oper,
 747                              struct ethtool_link_ksettings *link_ksettings)
 748 {
 749         int i;
 750         u32 speed = SPEED_UNKNOWN;
 751         u8 duplex = DUPLEX_UNKNOWN;
 752
 753         if (!netif_carrier_ok(netdev))
 754                 goto out;
 755
 756         for (i = 0; i < MLX5E_LINK_MODES_NUMBER; ++i) {
 757                 if (eth_proto_oper & MLX5E_PROT_MASK(i)) {
 758                         speed = ptys2ethtool_table[i].speed;
 759                         duplex = DUPLEX_FULL;
 760                         break;
 761                 }
 762         }
 763 out:
 764         link_ksettings->base.speed = speed;
 765         link_ksettings->base.duplex = duplex;
 766 }
 767
 768 static void get_supported(u32 eth_proto_cap,
 769                           struct ethtool_link_ksettings *link_ksettings)
 770 {
 771         unsigned long *supported = link_ksettings->link_modes.supported;
 772
 773         ptys2ethtool_supported_port(link_ksettings, eth_proto_cap);
 774         ptys2ethtool_supported_link(supported, eth_proto_cap);
 775         ethtool_link_ksettings_add_link_mode(link_ksettings, supported, Pause);
 776         ethtool_link_ksettings_add_link_mode(link_ksettings, supported, Asym_Pause);
 777 }
 778
 779 static void get_advertising(u32 eth_proto_cap, u8 tx_pause,
 780                             u8 rx_pause,
 781                             struct ethtool_link_ksettings *link_ksettings)
 782 {
 783         unsigned long *advertising = link_ksettings->link_modes.advertising;
 784
 785         ptys2ethtool_adver_link(advertising, eth_proto_cap);
 786         if (tx_pause)
 787                 ethtool_link_ksettings_add_link_mode(link_ksettings, advertising, Pause);
 788         if (tx_pause ^ rx_pause)
 789                 ethtool_link_ksettings_add_link_mode(link_ksettings, advertising, Asym_Pause);
 790 }
 791
 792 static u8 get_connector_port(u32 eth_proto)
 793 {
 794         if (eth_proto & (MLX5E_PROT_MASK(MLX5E_10GBASE_SR)
 795                          | MLX5E_PROT_MASK(MLX5E_40GBASE_SR4)
 796                          | MLX5E_PROT_MASK(MLX5E_100GBASE_SR4)
 797                          | MLX5E_PROT_MASK(MLX5E_1000BASE_CX_SGMII))) {
 798                         return PORT_FIBRE;
 799         }
 800
 801         if (eth_proto & (MLX5E_PROT_MASK(MLX5E_40GBASE_CR4)
 802                          | MLX5E_PROT_MASK(MLX5E_10GBASE_CR)
 803                          | MLX5E_PROT_MASK(MLX5E_100GBASE_CR4))) {
 804                         return PORT_DA;
 805         }
 806
 807         if (eth_proto & (MLX5E_PROT_MASK(MLX5E_10GBASE_KX4)
 808                          | MLX5E_PROT_MASK(MLX5E_10GBASE_KR)
 809                          | MLX5E_PROT_MASK(MLX5E_40GBASE_KR4)
 810                          | MLX5E_PROT_MASK(MLX5E_100GBASE_KR4))) {
 811                         return PORT_NONE;
 812         }
 813
 814         return PORT_OTHER;
 815 }
 816
 817 static void get_lp_advertising(u32 eth_proto_lp,
 818                                struct ethtool_link_ksettings *link_ksettings)
 819 {
 820         unsigned long *lp_advertising = link_ksettings->link_modes.lp_advertising;
 821
 822         ptys2ethtool_adver_link(lp_advertising, eth_proto_lp);
 823 }
 824
 825 static int mlx5e_get_link_ksettings(struct net_device *netdev,
 826                                     struct ethtool_link_ksettings *link_ksettings)
 827 {
 828         struct mlx5e_priv *priv    = netdev_priv(netdev);
 829         struct mlx5_core_dev *mdev = priv->mdev;
 830         u32 out[MLX5_ST_SZ_DW(ptys_reg)] = {0};
 831         u32 eth_proto_cap;
 832         u32 eth_proto_admin;
 833         u32 eth_proto_lp;
 834         u32 eth_proto_oper;
 835         u8 an_disable_admin;
 836         u8 an_status;
 837         int err;
 838
 839         err = mlx5_query_port_ptys(mdev, out, sizeof(out), MLX5_PTYS_EN, 1);
 840         if (err) {
 841                 netdev_err(netdev, "%s: query port ptys failed: %d\n",
 842                            __func__, err);
 843                 goto err_query_ptys;
 844         }
 845
 846         eth_proto_cap    = MLX5_GET(ptys_reg, out, eth_proto_capability);
 847         eth_proto_admin  = MLX5_GET(ptys_reg, out, eth_proto_admin);
 848         eth_proto_oper   = MLX5_GET(ptys_reg, out, eth_proto_oper);
 849         eth_proto_lp     = MLX5_GET(ptys_reg, out, eth_proto_lp_advertise);
 850         an_disable_admin = MLX5_GET(ptys_reg, out, an_disable_admin);
 851         an_status        = MLX5_GET(ptys_reg, out, an_status);
 852
 853         ethtool_link_ksettings_zero_link_mode(link_ksettings, supported);
 854         ethtool_link_ksettings_zero_link_mode(link_ksettings, advertising);
 855
 856         get_supported(eth_proto_cap, link_ksettings);
 857         get_advertising(eth_proto_admin, 0, 0, link_ksettings);
 858         get_speed_duplex(netdev, eth_proto_oper, link_ksettings);
 859
 860         eth_proto_oper = eth_proto_oper ? eth_proto_oper : eth_proto_cap;
 861
 862         link_ksettings->base.port = get_connector_port(eth_proto_oper);
 863         get_lp_advertising(eth_proto_lp, link_ksettings);
 864
 865         if (an_status == MLX5_AN_COMPLETE)
 866                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 867                                                      lp_advertising, Autoneg);
 868
 869         link_ksettings->base.autoneg = an_disable_admin ? AUTONEG_DISABLE :
 870                                                           AUTONEG_ENABLE;
 871         ethtool_link_ksettings_add_link_mode(link_ksettings, supported,
 872                                              Autoneg);
 873         if (!an_disable_admin)
 874                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 875                                                      advertising, Autoneg);
 876
 877 err_query_ptys:
 878         return err;
 879 }
 880
 881 static u32 mlx5e_ethtool2ptys_adver_link(const unsigned long *link_modes)
 882 {
 883         u32 i, ptys_modes = 0;
 884
 885         for (i = 0; i < MLX5E_LINK_MODES_NUMBER; ++i) {
 886                 if (bitmap_intersects(ptys2ethtool_table[i].advertised,
 887                                       link_modes,
 888                                       __ETHTOOL_LINK_MODE_MASK_NBITS))
 889                         ptys_modes |= MLX5E_PROT_MASK(i);
 890         }
 891
 892         return ptys_modes;
 893 }
 894
 895 static u32 mlx5e_ethtool2ptys_speed_link(u32 speed)
 896 {
 897         u32 i, speed_links = 0;
 898
 899         for (i = 0; i < MLX5E_LINK_MODES_NUMBER; ++i) {
 900                 if (ptys2ethtool_table[i].speed == speed)
 901                         speed_links |= MLX5E_PROT_MASK(i);
 902         }
 903
 904         return speed_links;
 905 }
 906
 907 static int mlx5e_set_link_ksettings(struct net_device *netdev,
 908                                     const struct ethtool_link_ksettings *link_ksettings)
 909 {
 910         struct mlx5e_priv *priv    = netdev_priv(netdev);
 911         struct mlx5_core_dev *mdev = priv->mdev;
 912         u32 eth_proto_cap, eth_proto_admin;
 913         bool an_changes = false;
 914         u8 an_disable_admin;
 915         u8 an_disable_cap;
 916         bool an_disable;
 917         u32 link_modes;
 918         u8 an_status;
 919         u32 speed;
 920         int err;
 921
 922         speed = link_ksettings->base.speed;
 923
 924         link_modes = link_ksettings->base.autoneg == AUTONEG_ENABLE ?
 925                 mlx5e_ethtool2ptys_adver_link(link_ksettings->link_modes.advertising) :
 926                 mlx5e_ethtool2ptys_speed_link(speed);
 927
 928         err = mlx5_query_port_proto_cap(mdev, &eth_proto_cap, MLX5_PTYS_EN);
 929         if (err) {
 930                 netdev_err(netdev, "%s: query port eth proto cap failed: %d\n",
 931                            __func__, err);
 932                 goto out;
 933         }
 934
 935         link_modes = link_modes & eth_proto_cap;
 936         if (!link_modes) {
 937                 netdev_err(netdev, "%s: Not supported link mode(s) requested",
 938                            __func__);
 939                 err = -EINVAL;
 940                 goto out;
 941         }
 942
 943         err = mlx5_query_port_proto_admin(mdev, &eth_proto_admin, MLX5_PTYS_EN);
 944         if (err) {
 945                 netdev_err(netdev, "%s: query port eth proto admin failed: %d\n",
 946                            __func__, err);
 947                 goto out;
 948         }
 949
 950         mlx5_query_port_autoneg(mdev, MLX5_PTYS_EN, &an_status,
 951                                 &an_disable_cap, &an_disable_admin);
 952
 953         an_disable = link_ksettings->base.autoneg == AUTONEG_DISABLE;
 954         an_changes = ((!an_disable && an_disable_admin) ||
 955                       (an_disable && !an_disable_admin));
 956
 957         if (!an_changes && link_modes == eth_proto_admin)
 958                 goto out;
 959
 960         mlx5_set_port_ptys(mdev, an_disable, link_modes, MLX5_PTYS_EN);
 961         mlx5_toggle_port_link(mdev);
 962
 963 out:
 964         return err;
 965 }
 966
 967 static u32 mlx5e_get_rxfh_key_size(struct net_device *netdev)
 968 {
 969         struct mlx5e_priv *priv = netdev_priv(netdev);
 970
 971         return sizeof(priv->params.toeplitz_hash_key);
 972 }
 973
 974 static u32 mlx5e_get_rxfh_indir_size(struct net_device *netdev)
 975 {
 976         return MLX5E_INDIR_RQT_SIZE;
 977 }
 978
 979 static int mlx5e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
 980                           u8 *hfunc)
 981 {
 982         struct mlx5e_priv *priv = netdev_priv(netdev);
 983
 984         if (indir)
 985                 memcpy(indir, priv->params.indirection_rqt,
 986                        sizeof(priv->params.indirection_rqt));
 987
 988         if (key)
 989                 memcpy(key, priv->params.toeplitz_hash_key,
 990                        sizeof(priv->params.toeplitz_hash_key));
 991
 992         if (hfunc)
 993                 *hfunc = priv->params.rss_hfunc;
 994
 995         return 0;
 996 }
 997
 998 static void mlx5e_modify_tirs_hash(struct mlx5e_priv *priv, void *in, int inlen)
 999 {
1000         void *tirc = MLX5_ADDR_OF(modify_tir_in, in, ctx);
1001         struct mlx5_core_dev *mdev = priv->mdev;
1002         int ctxlen = MLX5_ST_SZ_BYTES(tirc);
1003         int tt;
1004
1005         MLX5_SET(modify_tir_in, in, bitmask.hash, 1);
1006
1007         for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) {
1008                 memset(tirc, 0, ctxlen);
1009                 mlx5e_build_indir_tir_ctx_hash(priv, tirc, tt);
1010                 mlx5_core_modify_tir(mdev, priv->indir_tir[tt].tirn, in, inlen);
1011         }
1012 }
1013
1014 static int mlx5e_set_rxfh(struct net_device *dev, const u32 *indir,
1015                           const u8 *key, const u8 hfunc)
1016 {
1017         struct mlx5e_priv *priv = netdev_priv(dev);
1018         int inlen = MLX5_ST_SZ_BYTES(modify_tir_in);
1019         bool hash_changed = false;
1020         void *in;
1021
1022         if ((hfunc != ETH_RSS_HASH_NO_CHANGE) &&
1023             (hfunc != ETH_RSS_HASH_XOR) &&
1024             (hfunc != ETH_RSS_HASH_TOP))
1025                 return -EINVAL;
1026
1027         in = mlx5_vzalloc(inlen);
1028         if (!in)
1029                 return -ENOMEM;
1030
1031         mutex_lock(&priv->state_lock);
1032
1033         if (indir) {
1034                 u32 rqtn = priv->indir_rqt.rqtn;
1035
1036                 memcpy(priv->params.indirection_rqt, indir,
1037                        sizeof(priv->params.indirection_rqt));
1038                 mlx5e_redirect_rqt(priv, rqtn, MLX5E_INDIR_RQT_SIZE, 0);
1039         }
1040
1041         if (hfunc != ETH_RSS_HASH_NO_CHANGE &&
1042             hfunc != priv->params.rss_hfunc) {
1043                 priv->params.rss_hfunc = hfunc;
1044                 hash_changed = true;
1045         }
1046
1047         if (key) {
1048                 memcpy(priv->params.toeplitz_hash_key, key,
1049                        sizeof(priv->params.toeplitz_hash_key));
1050                 hash_changed = hash_changed ||
1051                                priv->params.rss_hfunc == ETH_RSS_HASH_TOP;
1052         }
1053
1054         if (hash_changed)
1055                 mlx5e_modify_tirs_hash(priv, in, inlen);
1056
1057         mutex_unlock(&priv->state_lock);
1058
1059         kvfree(in);
1060
1061         return 0;
1062 }
1063
1064 static int mlx5e_get_rxnfc(struct net_device *netdev,
1065                            struct ethtool_rxnfc *info, u32 *rule_locs)
1066 {
1067         struct mlx5e_priv *priv = netdev_priv(netdev);
1068         int err = 0;
1069
1070         switch (info->cmd) {
1071         case ETHTOOL_GRXRINGS:
1072                 info->data = priv->params.num_channels;
1073                 break;
1074         case ETHTOOL_GRXCLSRLCNT:
1075                 info->rule_cnt = priv->fs.ethtool.tot_num_rules;
1076                 break;
1077         case ETHTOOL_GRXCLSRULE:
1078                 err = mlx5e_ethtool_get_flow(priv, info, info->fs.location);
1079                 break;
1080         case ETHTOOL_GRXCLSRLALL:
1081                 err = mlx5e_ethtool_get_all_flows(priv, info, rule_locs);
1082                 break;
1083         default:
1084                 err = -EOPNOTSUPP;
1085                 break;
1086         }
1087
1088         return err;
1089 }
1090
1091 static int mlx5e_get_tunable(struct net_device *dev,
1092                              const struct ethtool_tunable *tuna,
1093                              void *data)
1094 {
1095         const struct mlx5e_priv *priv = netdev_priv(dev);
1096         int err = 0;
1097
1098         switch (tuna->id) {
1099         case ETHTOOL_TX_COPYBREAK:
1100                 *(u32 *)data = priv->params.tx_max_inline;
1101                 break;
1102         default:
1103                 err = -EINVAL;
1104                 break;
1105         }
1106
1107         return err;
1108 }
1109
1110 static int mlx5e_set_tunable(struct net_device *dev,
1111                              const struct ethtool_tunable *tuna,
1112                              const void *data)
1113 {
1114         struct mlx5e_priv *priv = netdev_priv(dev);
1115         struct mlx5_core_dev *mdev = priv->mdev;
1116         bool was_opened;
1117         u32 val;
1118         int err = 0;
1119
1120         switch (tuna->id) {
1121         case ETHTOOL_TX_COPYBREAK:
1122                 val = *(u32 *)data;
1123                 if (val > mlx5e_get_max_inline_cap(mdev)) {
1124                         err = -EINVAL;
1125                         break;
1126                 }
1127
1128                 mutex_lock(&priv->state_lock);
1129
1130                 was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state);
1131                 if (was_opened)
1132                         mlx5e_close_locked(dev);
1133
1134                 priv->params.tx_max_inline = val;
1135
1136                 if (was_opened)
1137                         err = mlx5e_open_locked(dev);
1138
1139                 mutex_unlock(&priv->state_lock);
1140                 break;
1141         default:
1142                 err = -EINVAL;
1143                 break;
1144         }
1145
1146         return err;
1147 }
1148
1149 static void mlx5e_get_pauseparam(struct net_device *netdev,
1150                                  struct ethtool_pauseparam *pauseparam)
1151 {
1152         struct mlx5e_priv *priv    = netdev_priv(netdev);
1153         struct mlx5_core_dev *mdev = priv->mdev;
1154         int err;
1155
1156         err = mlx5_query_port_pause(mdev, &pauseparam->rx_pause,
1157                                     &pauseparam->tx_pause);
1158         if (err) {
1159                 netdev_err(netdev, "%s: mlx5_query_port_pause failed:0x%x\n",
1160                            __func__, err);
1161         }
1162 }
1163
1164 static int mlx5e_set_pauseparam(struct net_device *netdev,
1165                                 struct ethtool_pauseparam *pauseparam)
1166 {
1167         struct mlx5e_priv *priv    = netdev_priv(netdev);
1168         struct mlx5_core_dev *mdev = priv->mdev;
1169         int err;
1170
1171         if (pauseparam->autoneg)
1172                 return -EINVAL;
1173
1174         err = mlx5_set_port_pause(mdev,
1175                                   pauseparam->rx_pause ? 1 : 0,
1176                                   pauseparam->tx_pause ? 1 : 0);
1177         if (err) {
1178                 netdev_err(netdev, "%s: mlx5_set_port_pause failed:0x%x\n",
1179                            __func__, err);
1180         }
1181
1182         return err;
1183 }
1184
1185 static int mlx5e_get_ts_info(struct net_device *dev,
1186                              struct ethtool_ts_info *info)
1187 {
1188         struct mlx5e_priv *priv = netdev_priv(dev);
1189         int ret;
1190
1191         ret = ethtool_op_get_ts_info(dev, info);
1192         if (ret)
1193                 return ret;
1194
1195         info->phc_index = priv->tstamp.ptp ?
1196                           ptp_clock_index(priv->tstamp.ptp) : -1;
1197
1198         if (!MLX5_CAP_GEN(priv->mdev, device_frequency_khz))
1199                 return 0;
1200
1201         info->so_timestamping |= SOF_TIMESTAMPING_TX_HARDWARE |
1202                                  SOF_TIMESTAMPING_RX_HARDWARE |
1203                                  SOF_TIMESTAMPING_RAW_HARDWARE;
1204
1205         info->tx_types = (BIT(1) << HWTSTAMP_TX_OFF) |
1206                          (BIT(1) << HWTSTAMP_TX_ON);
1207
1208         info->rx_filters = (BIT(1) << HWTSTAMP_FILTER_NONE) |
1209                            (BIT(1) << HWTSTAMP_FILTER_ALL);
1210
1211         return 0;
1212 }
1213
1214 static __u32 mlx5e_get_wol_supported(struct mlx5_core_dev *mdev)
1215 {
1216         __u32 ret = 0;
1217
1218         if (MLX5_CAP_GEN(mdev, wol_g))
1219                 ret |= WAKE_MAGIC;
1220
1221         if (MLX5_CAP_GEN(mdev, wol_s))
1222                 ret |= WAKE_MAGICSECURE;
1223
1224         if (MLX5_CAP_GEN(mdev, wol_a))
1225                 ret |= WAKE_ARP;
1226
1227         if (MLX5_CAP_GEN(mdev, wol_b))
1228                 ret |= WAKE_BCAST;
1229
1230         if (MLX5_CAP_GEN(mdev, wol_m))
1231                 ret |= WAKE_MCAST;
1232
1233         if (MLX5_CAP_GEN(mdev, wol_u))
1234                 ret |= WAKE_UCAST;
1235
1236         if (MLX5_CAP_GEN(mdev, wol_p))
1237                 ret |= WAKE_PHY;
1238
1239         return ret;
1240 }
1241
1242 static __u32 mlx5e_refomrat_wol_mode_mlx5_to_linux(u8 mode)
1243 {
1244         __u32 ret = 0;
1245
1246         if (mode & MLX5_WOL_MAGIC)
1247                 ret |= WAKE_MAGIC;
1248
1249         if (mode & MLX5_WOL_SECURED_MAGIC)
1250                 ret |= WAKE_MAGICSECURE;
1251
1252         if (mode & MLX5_WOL_ARP)
1253                 ret |= WAKE_ARP;
1254
1255         if (mode & MLX5_WOL_BROADCAST)
1256                 ret |= WAKE_BCAST;
1257
1258         if (mode & MLX5_WOL_MULTICAST)
1259                 ret |= WAKE_MCAST;
1260
1261         if (mode & MLX5_WOL_UNICAST)
1262                 ret |= WAKE_UCAST;
1263
1264         if (mode & MLX5_WOL_PHY_ACTIVITY)
1265                 ret |= WAKE_PHY;
1266
1267         return ret;
1268 }
1269
1270 static u8 mlx5e_refomrat_wol_mode_linux_to_mlx5(__u32 mode)
1271 {
1272         u8 ret = 0;
1273
1274         if (mode & WAKE_MAGIC)
1275                 ret |= MLX5_WOL_MAGIC;
1276
1277         if (mode & WAKE_MAGICSECURE)
1278                 ret |= MLX5_WOL_SECURED_MAGIC;
1279
1280         if (mode & WAKE_ARP)
1281                 ret |= MLX5_WOL_ARP;
1282
1283         if (mode & WAKE_BCAST)
1284                 ret |= MLX5_WOL_BROADCAST;
1285
1286         if (mode & WAKE_MCAST)
1287                 ret |= MLX5_WOL_MULTICAST;
1288
1289         if (mode & WAKE_UCAST)
1290                 ret |= MLX5_WOL_UNICAST;
1291
1292         if (mode & WAKE_PHY)
1293                 ret |= MLX5_WOL_PHY_ACTIVITY;
1294
1295         return ret;
1296 }
1297
1298 static void mlx5e_get_wol(struct net_device *netdev,
1299                           struct ethtool_wolinfo *wol)
1300 {
1301         struct mlx5e_priv *priv = netdev_priv(netdev);
1302         struct mlx5_core_dev *mdev = priv->mdev;
1303         u8 mlx5_wol_mode;
1304         int err;
1305
1306         memset(wol, 0, sizeof(*wol));
1307
1308         wol->supported = mlx5e_get_wol_supported(mdev);
1309         if (!wol->supported)
1310                 return;
1311
1312         err = mlx5_query_port_wol(mdev, &mlx5_wol_mode);
1313         if (err)
1314                 return;
1315
1316         wol->wolopts = mlx5e_refomrat_wol_mode_mlx5_to_linux(mlx5_wol_mode);
1317 }
1318
1319 static int mlx5e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1320 {
1321         struct mlx5e_priv *priv = netdev_priv(netdev);
1322         struct mlx5_core_dev *mdev = priv->mdev;
1323         __u32 wol_supported = mlx5e_get_wol_supported(mdev);
1324         u32 mlx5_wol_mode;
1325
1326         if (!wol_supported)
1327                 return -EOPNOTSUPP;
1328
1329         if (wol->wolopts & ~wol_supported)
1330                 return -EINVAL;
1331
1332         mlx5_wol_mode = mlx5e_refomrat_wol_mode_linux_to_mlx5(wol->wolopts);
1333
1334         return mlx5_set_port_wol(mdev, mlx5_wol_mode);
1335 }
1336
1337 static int mlx5e_set_phys_id(struct net_device *dev,
1338                              enum ethtool_phys_id_state state)
1339 {
1340         struct mlx5e_priv *priv = netdev_priv(dev);
1341         struct mlx5_core_dev *mdev = priv->mdev;
1342         u16 beacon_duration;
1343
1344         if (!MLX5_CAP_GEN(mdev, beacon_led))
1345                 return -EOPNOTSUPP;
1346
1347         switch (state) {
1348         case ETHTOOL_ID_ACTIVE:
1349                 beacon_duration = MLX5_BEACON_DURATION_INF;
1350                 break;
1351         case ETHTOOL_ID_INACTIVE:
1352                 beacon_duration = MLX5_BEACON_DURATION_OFF;
1353                 break;
1354         default:
1355                 return -EOPNOTSUPP;
1356         }
1357
1358         return mlx5_set_port_beacon(mdev, beacon_duration);
1359 }
1360
1361 static int mlx5e_get_module_info(struct net_device *netdev,
1362                                  struct ethtool_modinfo *modinfo)
1363 {
1364         struct mlx5e_priv *priv = netdev_priv(netdev);
1365         struct mlx5_core_dev *dev = priv->mdev;
1366         int size_read = 0;
1367         u8 data[4];
1368
1369         size_read = mlx5_query_module_eeprom(dev, 0, 2, data);
1370         if (size_read < 2)
1371                 return -EIO;
1372
1373         /* data[0] = identifier byte */
1374         switch (data[0]) {
1375         case MLX5_MODULE_ID_QSFP:
1376                 modinfo->type       = ETH_MODULE_SFF_8436;
1377                 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
1378                 break;
1379         case MLX5_MODULE_ID_QSFP_PLUS:
1380         case MLX5_MODULE_ID_QSFP28:
1381                 /* data[1] = revision id */
1382                 if (data[0] == MLX5_MODULE_ID_QSFP28 || data[1] >= 0x3) {
1383                         modinfo->type       = ETH_MODULE_SFF_8636;
1384                         modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
1385                 } else {
1386                         modinfo->type       = ETH_MODULE_SFF_8436;
1387                         modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
1388                 }
1389                 break;
1390         case MLX5_MODULE_ID_SFP:
1391                 modinfo->type       = ETH_MODULE_SFF_8472;
1392                 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
1393                 break;
1394         default:
1395                 netdev_err(priv->netdev, "%s: cable type not recognized:0x%x\n",
1396                            __func__, data[0]);
1397                 return -EINVAL;
1398         }
1399
1400         return 0;
1401 }
1402
1403 static int mlx5e_get_module_eeprom(struct net_device *netdev,
1404                                    struct ethtool_eeprom *ee,
1405                                    u8 *data)
1406 {
1407         struct mlx5e_priv *priv = netdev_priv(netdev);
1408         struct mlx5_core_dev *mdev = priv->mdev;
1409         int offset = ee->offset;
1410         int size_read;
1411         int i = 0;
1412
1413         if (!ee->len)
1414                 return -EINVAL;
1415
1416         memset(data, 0, ee->len);
1417
1418         while (i < ee->len) {
1419                 size_read = mlx5_query_module_eeprom(mdev, offset, ee->len - i,
1420                                                      data + i);
1421
1422                 if (!size_read)
1423                         /* Done reading */
1424                         return 0;
1425
1426                 if (size_read < 0) {
1427                         netdev_err(priv->netdev, "%s: mlx5_query_eeprom failed:0x%x\n",
1428                                    __func__, size_read);
1429                         return 0;
1430                 }
1431
1432                 i += size_read;
1433                 offset += size_read;
1434         }
1435
1436         return 0;
1437 }
1438
1439 typedef int (*mlx5e_pflag_handler)(struct net_device *netdev, bool enable);
1440
1441 static int set_pflag_rx_cqe_based_moder(struct net_device *netdev, bool enable)
1442 {
1443         struct mlx5e_priv *priv = netdev_priv(netdev);
1444         struct mlx5_core_dev *mdev = priv->mdev;
1445         bool rx_mode_changed;
1446         u8 rx_cq_period_mode;
1447         int err = 0;
1448         bool reset;
1449
1450         rx_cq_period_mode = enable ?
1451                 MLX5_CQ_PERIOD_MODE_START_FROM_CQE :
1452                 MLX5_CQ_PERIOD_MODE_START_FROM_EQE;
1453         rx_mode_changed = rx_cq_period_mode != priv->params.rx_cq_period_mode;
1454
1455         if (rx_cq_period_mode == MLX5_CQ_PERIOD_MODE_START_FROM_CQE &&
1456             !MLX5_CAP_GEN(mdev, cq_period_start_from_cqe))
1457                 return -EOPNOTSUPP;
1458
1459         if (!rx_mode_changed)
1460                 return 0;
1461
1462         reset = test_bit(MLX5E_STATE_OPENED, &priv->state);
1463         if (reset)
1464                 mlx5e_close_locked(netdev);
1465
1466         mlx5e_set_rx_cq_mode_params(&priv->params, rx_cq_period_mode);
1467
1468         if (reset)
1469                 err = mlx5e_open_locked(netdev);
1470
1471         return err;
1472 }
1473
1474 static int set_pflag_rx_cqe_compress(struct net_device *netdev,
1475                                      bool enable)
1476 {
1477         struct mlx5e_priv *priv = netdev_priv(netdev);
1478         struct mlx5_core_dev *mdev = priv->mdev;
1479
1480         if (!MLX5_CAP_GEN(mdev, cqe_compression))
1481                 return -EOPNOTSUPP;
1482
1483         if (enable && priv->tstamp.hwtstamp_config.rx_filter != HWTSTAMP_FILTER_NONE) {
1484                 netdev_err(netdev, "Can't enable cqe compression while timestamping is enabled.\n");
1485                 return -EINVAL;
1486         }
1487
1488         mlx5e_modify_rx_cqe_compression_locked(priv, enable);
1489         priv->params.rx_cqe_compress_def = enable;
1490
1491         return 0;
1492 }
1493
1494 static int mlx5e_handle_pflag(struct net_device *netdev,
1495                               u32 wanted_flags,
1496                               enum mlx5e_priv_flag flag,
1497                               mlx5e_pflag_handler pflag_handler)
1498 {
1499         struct mlx5e_priv *priv = netdev_priv(netdev);
1500         bool enable = !!(wanted_flags & flag);
1501         u32 changes = wanted_flags ^ priv->params.pflags;
1502         int err;
1503
1504         if (!(changes & flag))
1505                 return 0;
1506
1507         err = pflag_handler(netdev, enable);
1508         if (err) {
1509                 netdev_err(netdev, "%s private flag 0x%x failed err %d\n",
1510                            enable ? "Enable" : "Disable", flag, err);
1511                 return err;
1512         }
1513
1514         MLX5E_SET_PFLAG(priv, flag, enable);
1515         return 0;
1516 }
1517
1518 static int mlx5e_set_priv_flags(struct net_device *netdev, u32 pflags)
1519 {
1520         struct mlx5e_priv *priv = netdev_priv(netdev);
1521         int err;
1522
1523         mutex_lock(&priv->state_lock);
1524         err = mlx5e_handle_pflag(netdev, pflags,
1525                                  MLX5E_PFLAG_RX_CQE_BASED_MODER,
1526                                  set_pflag_rx_cqe_based_moder);
1527         if (err)
1528                 goto out;
1529
1530         err = mlx5e_handle_pflag(netdev, pflags,
1531                                  MLX5E_PFLAG_RX_CQE_COMPRESS,
1532                                  set_pflag_rx_cqe_compress);
1533
1534 out:
1535         mutex_unlock(&priv->state_lock);
1536         return err;
1537 }
1538
1539 static u32 mlx5e_get_priv_flags(struct net_device *netdev)
1540 {
1541         struct mlx5e_priv *priv = netdev_priv(netdev);
1542
1543         return priv->params.pflags;
1544 }
1545
1546 static int mlx5e_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
1547 {
1548         int err = 0;
1549         struct mlx5e_priv *priv = netdev_priv(dev);
1550
1551         switch (cmd->cmd) {
1552         case ETHTOOL_SRXCLSRLINS:
1553                 err = mlx5e_ethtool_flow_replace(priv, &cmd->fs);
1554                 break;
1555         case ETHTOOL_SRXCLSRLDEL:
1556                 err = mlx5e_ethtool_flow_remove(priv, cmd->fs.location);
1557                 break;
1558         default:
1559                 err = -EOPNOTSUPP;
1560                 break;
1561         }
1562
1563         return err;
1564 }
1565
1566 const struct ethtool_ops mlx5e_ethtool_ops = {
1567         .get_drvinfo       = mlx5e_get_drvinfo,
1568         .get_link          = ethtool_op_get_link,
1569         .get_strings       = mlx5e_get_strings,
1570         .get_sset_count    = mlx5e_get_sset_count,
1571         .get_ethtool_stats = mlx5e_get_ethtool_stats,
1572         .get_ringparam     = mlx5e_get_ringparam,
1573         .set_ringparam     = mlx5e_set_ringparam,
1574         .get_channels      = mlx5e_get_channels,
1575         .set_channels      = mlx5e_set_channels,
1576         .get_coalesce      = mlx5e_get_coalesce,
1577         .set_coalesce      = mlx5e_set_coalesce,
1578         .get_link_ksettings  = mlx5e_get_link_ksettings,
1579         .set_link_ksettings  = mlx5e_set_link_ksettings,
1580         .get_rxfh_key_size   = mlx5e_get_rxfh_key_size,
1581         .get_rxfh_indir_size = mlx5e_get_rxfh_indir_size,
1582         .get_rxfh          = mlx5e_get_rxfh,
1583         .set_rxfh          = mlx5e_set_rxfh,
1584         .get_rxnfc         = mlx5e_get_rxnfc,
1585         .set_rxnfc         = mlx5e_set_rxnfc,
1586         .get_tunable       = mlx5e_get_tunable,
1587         .set_tunable       = mlx5e_set_tunable,
1588         .get_pauseparam    = mlx5e_get_pauseparam,
1589         .set_pauseparam    = mlx5e_set_pauseparam,
1590         .get_ts_info       = mlx5e_get_ts_info,
1591         .set_phys_id       = mlx5e_set_phys_id,
1592         .get_wol           = mlx5e_get_wol,
1593         .set_wol           = mlx5e_set_wol,
1594         .get_module_info   = mlx5e_get_module_info,
1595         .get_module_eeprom = mlx5e_get_module_eeprom,
1596         .get_priv_flags    = mlx5e_get_priv_flags,
1597         .set_priv_flags    = mlx5e_set_priv_flags,
1598         .self_test         = mlx5e_self_test,
1599 };