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 +
 174                        MLX5E_NUM_RQ_STATS(priv) +
 175                        MLX5E_NUM_SQ_STATS(priv) +
 176                        MLX5E_NUM_PFC_COUNTERS(priv) +
 177                        ARRAY_SIZE(mlx5e_pme_status_desc) +
 178                        ARRAY_SIZE(mlx5e_pme_error_desc);
 179
 180         case ETH_SS_PRIV_FLAGS:
 181                 return ARRAY_SIZE(mlx5e_priv_flags);
 182         case ETH_SS_TEST:
 183                 return mlx5e_self_test_num(priv);
 184         /* fallthrough */
 185         default:
 186                 return -EOPNOTSUPP;
 187         }
 188 }
 189
 190 static void mlx5e_fill_stats_strings(struct mlx5e_priv *priv, uint8_t *data)
 191 {
 192         int i, j, tc, prio, idx = 0;
 193         unsigned long pfc_combined;
 194
 195         /* SW counters */
 196         for (i = 0; i < NUM_SW_COUNTERS; i++)
 197                 strcpy(data + (idx++) * ETH_GSTRING_LEN, sw_stats_desc[i].format);
 198
 199         /* Q counters */
 200         for (i = 0; i < MLX5E_NUM_Q_CNTRS(priv); i++)
 201                 strcpy(data + (idx++) * ETH_GSTRING_LEN, q_stats_desc[i].format);
 202
 203         /* VPORT counters */
 204         for (i = 0; i < NUM_VPORT_COUNTERS; i++)
 205                 strcpy(data + (idx++) * ETH_GSTRING_LEN,
 206                        vport_stats_desc[i].format);
 207
 208         /* PPORT counters */
 209         for (i = 0; i < NUM_PPORT_802_3_COUNTERS; i++)
 210                 strcpy(data + (idx++) * ETH_GSTRING_LEN,
 211                        pport_802_3_stats_desc[i].format);
 212
 213         for (i = 0; i < NUM_PPORT_2863_COUNTERS; i++)
 214                 strcpy(data + (idx++) * ETH_GSTRING_LEN,
 215                        pport_2863_stats_desc[i].format);
 216
 217         for (i = 0; i < NUM_PPORT_2819_COUNTERS; i++)
 218                 strcpy(data + (idx++) * ETH_GSTRING_LEN,
 219                        pport_2819_stats_desc[i].format);
 220
 221         for (prio = 0; prio < NUM_PPORT_PRIO; prio++) {
 222                 for (i = 0; i < NUM_PPORT_PER_PRIO_TRAFFIC_COUNTERS; i++)
 223                         sprintf(data + (idx++) * ETH_GSTRING_LEN,
 224                                 pport_per_prio_traffic_stats_desc[i].format, prio);
 225         }
 226
 227         pfc_combined = mlx5e_query_pfc_combined(priv);
 228         for_each_set_bit(prio, &pfc_combined, NUM_PPORT_PRIO) {
 229                 for (i = 0; i < NUM_PPORT_PER_PRIO_PFC_COUNTERS; i++) {
 230                         char pfc_string[ETH_GSTRING_LEN];
 231
 232                         snprintf(pfc_string, sizeof(pfc_string), "prio%d", prio);
 233                         sprintf(data + (idx++) * ETH_GSTRING_LEN,
 234                                 pport_per_prio_pfc_stats_desc[i].format, pfc_string);
 235                 }
 236         }
 237
 238         if (mlx5e_query_global_pause_combined(priv)) {
 239                 for (i = 0; i < NUM_PPORT_PER_PRIO_PFC_COUNTERS; i++) {
 240                         sprintf(data + (idx++) * ETH_GSTRING_LEN,
 241                                 pport_per_prio_pfc_stats_desc[i].format, "global");
 242                 }
 243         }
 244
 245         /* port module event counters */
 246         for (i = 0; i < ARRAY_SIZE(mlx5e_pme_status_desc); i++)
 247                 strcpy(data + (idx++) * ETH_GSTRING_LEN, mlx5e_pme_status_desc[i].format);
 248
 249         for (i = 0; i < ARRAY_SIZE(mlx5e_pme_error_desc); i++)
 250                 strcpy(data + (idx++) * ETH_GSTRING_LEN, mlx5e_pme_error_desc[i].format);
 251
 252         if (!test_bit(MLX5E_STATE_OPENED, &priv->state))
 253                 return;
 254
 255         /* per channel counters */
 256         for (i = 0; i < priv->params.num_channels; i++)
 257                 for (j = 0; j < NUM_RQ_STATS; j++)
 258                         sprintf(data + (idx++) * ETH_GSTRING_LEN,
 259                                 rq_stats_desc[j].format, i);
 260
 261         for (tc = 0; tc < priv->params.num_tc; tc++)
 262                 for (i = 0; i < priv->params.num_channels; i++)
 263                         for (j = 0; j < NUM_SQ_STATS; j++)
 264                                 sprintf(data + (idx++) * ETH_GSTRING_LEN,
 265                                         sq_stats_desc[j].format,
 266                                         priv->channeltc_to_txq_map[i][tc]);
 267 }
 268
 269 static void mlx5e_get_strings(struct net_device *dev,
 270                               uint32_t stringset, uint8_t *data)
 271 {
 272         struct mlx5e_priv *priv = netdev_priv(dev);
 273         int i;
 274
 275         switch (stringset) {
 276         case ETH_SS_PRIV_FLAGS:
 277                 for (i = 0; i < ARRAY_SIZE(mlx5e_priv_flags); i++)
 278                         strcpy(data + i * ETH_GSTRING_LEN, mlx5e_priv_flags[i]);
 279                 break;
 280
 281         case ETH_SS_TEST:
 282                 for (i = 0; i < mlx5e_self_test_num(priv); i++)
 283                         strcpy(data + i * ETH_GSTRING_LEN,
 284                                mlx5e_self_tests[i]);
 285                 break;
 286
 287         case ETH_SS_STATS:
 288                 mlx5e_fill_stats_strings(priv, data);
 289                 break;
 290         }
 291 }
 292
 293 static void mlx5e_get_ethtool_stats(struct net_device *dev,
 294                                     struct ethtool_stats *stats, u64 *data)
 295 {
 296         struct mlx5e_priv *priv = netdev_priv(dev);
 297         struct mlx5_priv *mlx5_priv;
 298         int i, j, tc, prio, idx = 0;
 299         unsigned long pfc_combined;
 300
 301         if (!data)
 302                 return;
 303
 304         mutex_lock(&priv->state_lock);
 305         if (test_bit(MLX5E_STATE_OPENED, &priv->state))
 306                 mlx5e_update_stats(priv);
 307         mutex_unlock(&priv->state_lock);
 308
 309         for (i = 0; i < NUM_SW_COUNTERS; i++)
 310                 data[idx++] = MLX5E_READ_CTR64_CPU(&priv->stats.sw,
 311                                                    sw_stats_desc, i);
 312
 313         for (i = 0; i < MLX5E_NUM_Q_CNTRS(priv); i++)
 314                 data[idx++] = MLX5E_READ_CTR32_CPU(&priv->stats.qcnt,
 315                                                    q_stats_desc, i);
 316
 317         for (i = 0; i < NUM_VPORT_COUNTERS; i++)
 318                 data[idx++] = MLX5E_READ_CTR64_BE(priv->stats.vport.query_vport_out,
 319                                                   vport_stats_desc, i);
 320
 321         for (i = 0; i < NUM_PPORT_802_3_COUNTERS; i++)
 322                 data[idx++] = MLX5E_READ_CTR64_BE(&priv->stats.pport.IEEE_802_3_counters,
 323                                                   pport_802_3_stats_desc, i);
 324
 325         for (i = 0; i < NUM_PPORT_2863_COUNTERS; i++)
 326                 data[idx++] = MLX5E_READ_CTR64_BE(&priv->stats.pport.RFC_2863_counters,
 327                                                   pport_2863_stats_desc, i);
 328
 329         for (i = 0; i < NUM_PPORT_2819_COUNTERS; i++)
 330                 data[idx++] = MLX5E_READ_CTR64_BE(&priv->stats.pport.RFC_2819_counters,
 331                                                   pport_2819_stats_desc, i);
 332
 333         for (prio = 0; prio < NUM_PPORT_PRIO; prio++) {
 334                 for (i = 0; i < NUM_PPORT_PER_PRIO_TRAFFIC_COUNTERS; i++)
 335                         data[idx++] = MLX5E_READ_CTR64_BE(&priv->stats.pport.per_prio_counters[prio],
 336                                                  pport_per_prio_traffic_stats_desc, i);
 337         }
 338
 339         pfc_combined = mlx5e_query_pfc_combined(priv);
 340         for_each_set_bit(prio, &pfc_combined, NUM_PPORT_PRIO) {
 341                 for (i = 0; i < NUM_PPORT_PER_PRIO_PFC_COUNTERS; i++) {
 342                         data[idx++] = MLX5E_READ_CTR64_BE(&priv->stats.pport.per_prio_counters[prio],
 343                                                           pport_per_prio_pfc_stats_desc, i);
 344                 }
 345         }
 346
 347         if (mlx5e_query_global_pause_combined(priv)) {
 348                 for (i = 0; i < NUM_PPORT_PER_PRIO_PFC_COUNTERS; i++) {
 349                         data[idx++] = MLX5E_READ_CTR64_BE(&priv->stats.pport.per_prio_counters[0],
 350                                                           pport_per_prio_pfc_stats_desc, i);
 351                 }
 352         }
 353
 354         /* port module event counters */
 355         mlx5_priv =  &priv->mdev->priv;
 356         for (i = 0; i < ARRAY_SIZE(mlx5e_pme_status_desc); i++)
 357                 data[idx++] = MLX5E_READ_CTR64_CPU(mlx5_priv->pme_stats.status_counters,
 358                                                    mlx5e_pme_status_desc, i);
 359
 360         for (i = 0; i < ARRAY_SIZE(mlx5e_pme_error_desc); i++)
 361                 data[idx++] = MLX5E_READ_CTR64_CPU(mlx5_priv->pme_stats.error_counters,
 362                                                    mlx5e_pme_error_desc, i);
 363
 364         if (!test_bit(MLX5E_STATE_OPENED, &priv->state))
 365                 return;
 366
 367         /* per channel counters */
 368         for (i = 0; i < priv->params.num_channels; i++)
 369                 for (j = 0; j < NUM_RQ_STATS; j++)
 370                         data[idx++] =
 371                                MLX5E_READ_CTR64_CPU(&priv->channel[i]->rq.stats,
 372                                                     rq_stats_desc, j);
 373
 374         for (tc = 0; tc < priv->params.num_tc; tc++)
 375                 for (i = 0; i < priv->params.num_channels; i++)
 376                         for (j = 0; j < NUM_SQ_STATS; j++)
 377                                 data[idx++] = MLX5E_READ_CTR64_CPU(&priv->channel[i]->sq[tc].stats,
 378                                                                    sq_stats_desc, j);
 379 }
 380
 381 static u32 mlx5e_rx_wqes_to_packets(struct mlx5e_priv *priv, int rq_wq_type,
 382                                     int num_wqe)
 383 {
 384         int packets_per_wqe;
 385         int stride_size;
 386         int num_strides;
 387         int wqe_size;
 388
 389         if (rq_wq_type != MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ)
 390                 return num_wqe;
 391
 392         stride_size = 1 << priv->params.mpwqe_log_stride_sz;
 393         num_strides = 1 << priv->params.mpwqe_log_num_strides;
 394         wqe_size = stride_size * num_strides;
 395
 396         packets_per_wqe = wqe_size /
 397                           ALIGN(ETH_DATA_LEN, stride_size);
 398         return (1 << (order_base_2(num_wqe * packets_per_wqe) - 1));
 399 }
 400
 401 static u32 mlx5e_packets_to_rx_wqes(struct mlx5e_priv *priv, int rq_wq_type,
 402                                     int num_packets)
 403 {
 404         int packets_per_wqe;
 405         int stride_size;
 406         int num_strides;
 407         int wqe_size;
 408         int num_wqes;
 409
 410         if (rq_wq_type != MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ)
 411                 return num_packets;
 412
 413         stride_size = 1 << priv->params.mpwqe_log_stride_sz;
 414         num_strides = 1 << priv->params.mpwqe_log_num_strides;
 415         wqe_size = stride_size * num_strides;
 416
 417         num_packets = (1 << order_base_2(num_packets));
 418
 419         packets_per_wqe = wqe_size /
 420                           ALIGN(ETH_DATA_LEN, stride_size);
 421         num_wqes = DIV_ROUND_UP(num_packets, packets_per_wqe);
 422         return 1 << (order_base_2(num_wqes));
 423 }
 424
 425 static void mlx5e_get_ringparam(struct net_device *dev,
 426                                 struct ethtool_ringparam *param)
 427 {
 428         struct mlx5e_priv *priv = netdev_priv(dev);
 429         int rq_wq_type = priv->params.rq_wq_type;
 430
 431         param->rx_max_pending = mlx5e_rx_wqes_to_packets(priv, rq_wq_type,
 432                                                          1 << mlx5_max_log_rq_size(rq_wq_type));
 433         param->tx_max_pending = 1 << MLX5E_PARAMS_MAXIMUM_LOG_SQ_SIZE;
 434         param->rx_pending = mlx5e_rx_wqes_to_packets(priv, rq_wq_type,
 435                                                      1 << priv->params.log_rq_size);
 436         param->tx_pending     = 1 << priv->params.log_sq_size;
 437 }
 438
 439 static int mlx5e_set_ringparam(struct net_device *dev,
 440                                struct ethtool_ringparam *param)
 441 {
 442         struct mlx5e_priv *priv = netdev_priv(dev);
 443         bool was_opened;
 444         int rq_wq_type = priv->params.rq_wq_type;
 445         u32 rx_pending_wqes;
 446         u32 min_rq_size;
 447         u32 max_rq_size;
 448         u16 min_rx_wqes;
 449         u8 log_rq_size;
 450         u8 log_sq_size;
 451         u32 num_mtts;
 452         int err = 0;
 453
 454         if (param->rx_jumbo_pending) {
 455                 netdev_info(dev, "%s: rx_jumbo_pending not supported\n",
 456                             __func__);
 457                 return -EINVAL;
 458         }
 459         if (param->rx_mini_pending) {
 460                 netdev_info(dev, "%s: rx_mini_pending not supported\n",
 461                             __func__);
 462                 return -EINVAL;
 463         }
 464
 465         min_rq_size = mlx5e_rx_wqes_to_packets(priv, rq_wq_type,
 466                                                1 << mlx5_min_log_rq_size(rq_wq_type));
 467         max_rq_size = mlx5e_rx_wqes_to_packets(priv, rq_wq_type,
 468                                                1 << mlx5_max_log_rq_size(rq_wq_type));
 469         rx_pending_wqes = mlx5e_packets_to_rx_wqes(priv, rq_wq_type,
 470                                                    param->rx_pending);
 471
 472         if (param->rx_pending < min_rq_size) {
 473                 netdev_info(dev, "%s: rx_pending (%d) < min (%d)\n",
 474                             __func__, param->rx_pending,
 475                             min_rq_size);
 476                 return -EINVAL;
 477         }
 478         if (param->rx_pending > max_rq_size) {
 479                 netdev_info(dev, "%s: rx_pending (%d) > max (%d)\n",
 480                             __func__, param->rx_pending,
 481                             max_rq_size);
 482                 return -EINVAL;
 483         }
 484
 485         num_mtts = MLX5E_REQUIRED_MTTS(rx_pending_wqes);
 486         if (priv->params.rq_wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ &&
 487             !MLX5E_VALID_NUM_MTTS(num_mtts)) {
 488                 netdev_info(dev, "%s: rx_pending (%d) request can't be satisfied, try to reduce.\n",
 489                             __func__, param->rx_pending);
 490                 return -EINVAL;
 491         }
 492
 493         if (param->tx_pending < (1 << MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE)) {
 494                 netdev_info(dev, "%s: tx_pending (%d) < min (%d)\n",
 495                             __func__, param->tx_pending,
 496                             1 << MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE);
 497                 return -EINVAL;
 498         }
 499         if (param->tx_pending > (1 << MLX5E_PARAMS_MAXIMUM_LOG_SQ_SIZE)) {
 500                 netdev_info(dev, "%s: tx_pending (%d) > max (%d)\n",
 501                             __func__, param->tx_pending,
 502                             1 << MLX5E_PARAMS_MAXIMUM_LOG_SQ_SIZE);
 503                 return -EINVAL;
 504         }
 505
 506         log_rq_size = order_base_2(rx_pending_wqes);
 507         log_sq_size = order_base_2(param->tx_pending);
 508         min_rx_wqes = mlx5_min_rx_wqes(rq_wq_type, rx_pending_wqes);
 509
 510         if (log_rq_size == priv->params.log_rq_size &&
 511             log_sq_size == priv->params.log_sq_size &&
 512             min_rx_wqes == priv->params.min_rx_wqes)
 513                 return 0;
 514
 515         mutex_lock(&priv->state_lock);
 516
 517         was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state);
 518         if (was_opened)
 519                 mlx5e_close_locked(dev);
 520
 521         priv->params.log_rq_size = log_rq_size;
 522         priv->params.log_sq_size = log_sq_size;
 523         priv->params.min_rx_wqes = min_rx_wqes;
 524
 525         if (was_opened)
 526                 err = mlx5e_open_locked(dev);
 527
 528         mutex_unlock(&priv->state_lock);
 529
 530         return err;
 531 }
 532
 533 static void mlx5e_get_channels(struct net_device *dev,
 534                                struct ethtool_channels *ch)
 535 {
 536         struct mlx5e_priv *priv = netdev_priv(dev);
 537
 538         ch->max_combined   = mlx5e_get_max_num_channels(priv->mdev);
 539         ch->combined_count = priv->params.num_channels;
 540 }
 541
 542 static int mlx5e_set_channels(struct net_device *dev,
 543                               struct ethtool_channels *ch)
 544 {
 545         struct mlx5e_priv *priv = netdev_priv(dev);
 546         int ncv = mlx5e_get_max_num_channels(priv->mdev);
 547         unsigned int count = ch->combined_count;
 548         bool arfs_enabled;
 549         bool was_opened;
 550         int err = 0;
 551
 552         if (!count) {
 553                 netdev_info(dev, "%s: combined_count=0 not supported\n",
 554                             __func__);
 555                 return -EINVAL;
 556         }
 557         if (ch->rx_count || ch->tx_count) {
 558                 netdev_info(dev, "%s: separate rx/tx count not supported\n",
 559                             __func__);
 560                 return -EINVAL;
 561         }
 562         if (count > ncv) {
 563                 netdev_info(dev, "%s: count (%d) > max (%d)\n",
 564                             __func__, count, ncv);
 565                 return -EINVAL;
 566         }
 567
 568         if (priv->params.num_channels == count)
 569                 return 0;
 570
 571         mutex_lock(&priv->state_lock);
 572
 573         was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state);
 574         if (was_opened)
 575                 mlx5e_close_locked(dev);
 576
 577         arfs_enabled = dev->features & NETIF_F_NTUPLE;
 578         if (arfs_enabled)
 579                 mlx5e_arfs_disable(priv);
 580
 581         priv->params.num_channels = count;
 582         mlx5e_build_default_indir_rqt(priv->mdev, priv->params.indirection_rqt,
 583                                       MLX5E_INDIR_RQT_SIZE, count);
 584
 585         if (was_opened)
 586                 err = mlx5e_open_locked(dev);
 587         if (err)
 588                 goto out;
 589
 590         if (arfs_enabled) {
 591                 err = mlx5e_arfs_enable(priv);
 592                 if (err)
 593                         netdev_err(dev, "%s: mlx5e_arfs_enable failed: %d\n",
 594                                    __func__, err);
 595         }
 596
 597 out:
 598         mutex_unlock(&priv->state_lock);
 599
 600         return err;
 601 }
 602
 603 static int mlx5e_get_coalesce(struct net_device *netdev,
 604                               struct ethtool_coalesce *coal)
 605 {
 606         struct mlx5e_priv *priv = netdev_priv(netdev);
 607
 608         if (!MLX5_CAP_GEN(priv->mdev, cq_moderation))
 609                 return -ENOTSUPP;
 610
 611         coal->rx_coalesce_usecs       = priv->params.rx_cq_moderation.usec;
 612         coal->rx_max_coalesced_frames = priv->params.rx_cq_moderation.pkts;
 613         coal->tx_coalesce_usecs       = priv->params.tx_cq_moderation.usec;
 614         coal->tx_max_coalesced_frames = priv->params.tx_cq_moderation.pkts;
 615         coal->use_adaptive_rx_coalesce = priv->params.rx_am_enabled;
 616
 617         return 0;
 618 }
 619
 620 static int mlx5e_set_coalesce(struct net_device *netdev,
 621                               struct ethtool_coalesce *coal)
 622 {
 623         struct mlx5e_priv *priv    = netdev_priv(netdev);
 624         struct mlx5_core_dev *mdev = priv->mdev;
 625         struct mlx5e_channel *c;
 626         bool restart =
 627                 !!coal->use_adaptive_rx_coalesce != priv->params.rx_am_enabled;
 628         bool was_opened;
 629         int err = 0;
 630         int tc;
 631         int i;
 632
 633         if (!MLX5_CAP_GEN(mdev, cq_moderation))
 634                 return -ENOTSUPP;
 635
 636         mutex_lock(&priv->state_lock);
 637
 638         was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state);
 639         if (was_opened && restart) {
 640                 mlx5e_close_locked(netdev);
 641                 priv->params.rx_am_enabled = !!coal->use_adaptive_rx_coalesce;
 642         }
 643
 644         priv->params.tx_cq_moderation.usec = coal->tx_coalesce_usecs;
 645         priv->params.tx_cq_moderation.pkts = coal->tx_max_coalesced_frames;
 646         priv->params.rx_cq_moderation.usec = coal->rx_coalesce_usecs;
 647         priv->params.rx_cq_moderation.pkts = coal->rx_max_coalesced_frames;
 648
 649         if (!was_opened || restart)
 650                 goto out;
 651
 652         for (i = 0; i < priv->params.num_channels; ++i) {
 653                 c = priv->channel[i];
 654
 655                 for (tc = 0; tc < c->num_tc; tc++) {
 656                         mlx5_core_modify_cq_moderation(mdev,
 657                                                 &c->sq[tc].cq.mcq,
 658                                                 coal->tx_coalesce_usecs,
 659                                                 coal->tx_max_coalesced_frames);
 660                 }
 661
 662                 mlx5_core_modify_cq_moderation(mdev, &c->rq.cq.mcq,
 663                                                coal->rx_coalesce_usecs,
 664                                                coal->rx_max_coalesced_frames);
 665         }
 666
 667 out:
 668         if (was_opened && restart)
 669                 err = mlx5e_open_locked(netdev);
 670
 671         mutex_unlock(&priv->state_lock);
 672         return err;
 673 }
 674
 675 static void ptys2ethtool_supported_link(unsigned long *supported_modes,
 676                                         u32 eth_proto_cap)
 677 {
 678         unsigned long proto_cap = eth_proto_cap;
 679         int proto;
 680
 681         for_each_set_bit(proto, &proto_cap, MLX5E_LINK_MODES_NUMBER)
 682                 bitmap_or(supported_modes, supported_modes,
 683                           ptys2ethtool_table[proto].supported,
 684                           __ETHTOOL_LINK_MODE_MASK_NBITS);
 685 }
 686
 687 static void ptys2ethtool_adver_link(unsigned long *advertising_modes,
 688                                     u32 eth_proto_cap)
 689 {
 690         unsigned long proto_cap = eth_proto_cap;
 691         int proto;
 692
 693         for_each_set_bit(proto, &proto_cap, MLX5E_LINK_MODES_NUMBER)
 694                 bitmap_or(advertising_modes, advertising_modes,
 695                           ptys2ethtool_table[proto].advertised,
 696                           __ETHTOOL_LINK_MODE_MASK_NBITS);
 697 }
 698
 699 static void ptys2ethtool_supported_port(struct ethtool_link_ksettings *link_ksettings,
 700                                         u32 eth_proto_cap)
 701 {
 702         if (eth_proto_cap & (MLX5E_PROT_MASK(MLX5E_10GBASE_CR)
 703                            | MLX5E_PROT_MASK(MLX5E_10GBASE_SR)
 704                            | MLX5E_PROT_MASK(MLX5E_40GBASE_CR4)
 705                            | MLX5E_PROT_MASK(MLX5E_40GBASE_SR4)
 706                            | MLX5E_PROT_MASK(MLX5E_100GBASE_SR4)
 707                            | MLX5E_PROT_MASK(MLX5E_1000BASE_CX_SGMII))) {
 708                 ethtool_link_ksettings_add_link_mode(link_ksettings, supported, FIBRE);
 709         }
 710
 711         if (eth_proto_cap & (MLX5E_PROT_MASK(MLX5E_100GBASE_KR4)
 712                            | MLX5E_PROT_MASK(MLX5E_40GBASE_KR4)
 713                            | MLX5E_PROT_MASK(MLX5E_10GBASE_KR)
 714                            | MLX5E_PROT_MASK(MLX5E_10GBASE_KX4)
 715                            | MLX5E_PROT_MASK(MLX5E_1000BASE_KX))) {
 716                 ethtool_link_ksettings_add_link_mode(link_ksettings, supported, Backplane);
 717         }
 718 }
 719
 720 int mlx5e_get_max_linkspeed(struct mlx5_core_dev *mdev, u32 *speed)
 721 {
 722         u32 max_speed = 0;
 723         u32 proto_cap;
 724         int err;
 725         int i;
 726
 727         err = mlx5_query_port_proto_cap(mdev, &proto_cap, MLX5_PTYS_EN);
 728         if (err)
 729                 return err;
 730
 731         for (i = 0; i < MLX5E_LINK_MODES_NUMBER; ++i)
 732                 if (proto_cap & MLX5E_PROT_MASK(i))
 733                         max_speed = max(max_speed, ptys2ethtool_table[i].speed);
 734
 735         *speed = max_speed;
 736         return 0;
 737 }
 738
 739 static void get_speed_duplex(struct net_device *netdev,
 740                              u32 eth_proto_oper,
 741                              struct ethtool_link_ksettings *link_ksettings)
 742 {
 743         int i;
 744         u32 speed = SPEED_UNKNOWN;
 745         u8 duplex = DUPLEX_UNKNOWN;
 746
 747         if (!netif_carrier_ok(netdev))
 748                 goto out;
 749
 750         for (i = 0; i < MLX5E_LINK_MODES_NUMBER; ++i) {
 751                 if (eth_proto_oper & MLX5E_PROT_MASK(i)) {
 752                         speed = ptys2ethtool_table[i].speed;
 753                         duplex = DUPLEX_FULL;
 754                         break;
 755                 }
 756         }
 757 out:
 758         link_ksettings->base.speed = speed;
 759         link_ksettings->base.duplex = duplex;
 760 }
 761
 762 static void get_supported(u32 eth_proto_cap,
 763                           struct ethtool_link_ksettings *link_ksettings)
 764 {
 765         unsigned long *supported = link_ksettings->link_modes.supported;
 766
 767         ptys2ethtool_supported_port(link_ksettings, eth_proto_cap);
 768         ptys2ethtool_supported_link(supported, eth_proto_cap);
 769         ethtool_link_ksettings_add_link_mode(link_ksettings, supported, Pause);
 770         ethtool_link_ksettings_add_link_mode(link_ksettings, supported, Asym_Pause);
 771 }
 772
 773 static void get_advertising(u32 eth_proto_cap, u8 tx_pause,
 774                             u8 rx_pause,
 775                             struct ethtool_link_ksettings *link_ksettings)
 776 {
 777         unsigned long *advertising = link_ksettings->link_modes.advertising;
 778
 779         ptys2ethtool_adver_link(advertising, eth_proto_cap);
 780         if (tx_pause)
 781                 ethtool_link_ksettings_add_link_mode(link_ksettings, advertising, Pause);
 782         if (tx_pause ^ rx_pause)
 783                 ethtool_link_ksettings_add_link_mode(link_ksettings, advertising, Asym_Pause);
 784 }
 785
 786 static u8 get_connector_port(u32 eth_proto)
 787 {
 788         if (eth_proto & (MLX5E_PROT_MASK(MLX5E_10GBASE_SR)
 789                          | MLX5E_PROT_MASK(MLX5E_40GBASE_SR4)
 790                          | MLX5E_PROT_MASK(MLX5E_100GBASE_SR4)
 791                          | MLX5E_PROT_MASK(MLX5E_1000BASE_CX_SGMII))) {
 792                         return PORT_FIBRE;
 793         }
 794
 795         if (eth_proto & (MLX5E_PROT_MASK(MLX5E_40GBASE_CR4)
 796                          | MLX5E_PROT_MASK(MLX5E_10GBASE_CR)
 797                          | MLX5E_PROT_MASK(MLX5E_100GBASE_CR4))) {
 798                         return PORT_DA;
 799         }
 800
 801         if (eth_proto & (MLX5E_PROT_MASK(MLX5E_10GBASE_KX4)
 802                          | MLX5E_PROT_MASK(MLX5E_10GBASE_KR)
 803                          | MLX5E_PROT_MASK(MLX5E_40GBASE_KR4)
 804                          | MLX5E_PROT_MASK(MLX5E_100GBASE_KR4))) {
 805                         return PORT_NONE;
 806         }
 807
 808         return PORT_OTHER;
 809 }
 810
 811 static void get_lp_advertising(u32 eth_proto_lp,
 812                                struct ethtool_link_ksettings *link_ksettings)
 813 {
 814         unsigned long *lp_advertising = link_ksettings->link_modes.lp_advertising;
 815
 816         ptys2ethtool_adver_link(lp_advertising, eth_proto_lp);
 817 }
 818
 819 static int mlx5e_get_link_ksettings(struct net_device *netdev,
 820                                     struct ethtool_link_ksettings *link_ksettings)
 821 {
 822         struct mlx5e_priv *priv    = netdev_priv(netdev);
 823         struct mlx5_core_dev *mdev = priv->mdev;
 824         u32 out[MLX5_ST_SZ_DW(ptys_reg)] = {0};
 825         u32 eth_proto_cap;
 826         u32 eth_proto_admin;
 827         u32 eth_proto_lp;
 828         u32 eth_proto_oper;
 829         u8 an_disable_admin;
 830         u8 an_status;
 831         int err;
 832
 833         err = mlx5_query_port_ptys(mdev, out, sizeof(out), MLX5_PTYS_EN, 1);
 834         if (err) {
 835                 netdev_err(netdev, "%s: query port ptys failed: %d\n",
 836                            __func__, err);
 837                 goto err_query_ptys;
 838         }
 839
 840         eth_proto_cap    = MLX5_GET(ptys_reg, out, eth_proto_capability);
 841         eth_proto_admin  = MLX5_GET(ptys_reg, out, eth_proto_admin);
 842         eth_proto_oper   = MLX5_GET(ptys_reg, out, eth_proto_oper);
 843         eth_proto_lp     = MLX5_GET(ptys_reg, out, eth_proto_lp_advertise);
 844         an_disable_admin = MLX5_GET(ptys_reg, out, an_disable_admin);
 845         an_status        = MLX5_GET(ptys_reg, out, an_status);
 846
 847         ethtool_link_ksettings_zero_link_mode(link_ksettings, supported);
 848         ethtool_link_ksettings_zero_link_mode(link_ksettings, advertising);
 849
 850         get_supported(eth_proto_cap, link_ksettings);
 851         get_advertising(eth_proto_admin, 0, 0, link_ksettings);
 852         get_speed_duplex(netdev, eth_proto_oper, link_ksettings);
 853
 854         eth_proto_oper = eth_proto_oper ? eth_proto_oper : eth_proto_cap;
 855
 856         link_ksettings->base.port = get_connector_port(eth_proto_oper);
 857         get_lp_advertising(eth_proto_lp, link_ksettings);
 858
 859         if (an_status == MLX5_AN_COMPLETE)
 860                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 861                                                      lp_advertising, Autoneg);
 862
 863         link_ksettings->base.autoneg = an_disable_admin ? AUTONEG_DISABLE :
 864                                                           AUTONEG_ENABLE;
 865         ethtool_link_ksettings_add_link_mode(link_ksettings, supported,
 866                                              Autoneg);
 867         if (!an_disable_admin)
 868                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 869                                                      advertising, Autoneg);
 870
 871 err_query_ptys:
 872         return err;
 873 }
 874
 875 static u32 mlx5e_ethtool2ptys_adver_link(const unsigned long *link_modes)
 876 {
 877         u32 i, ptys_modes = 0;
 878
 879         for (i = 0; i < MLX5E_LINK_MODES_NUMBER; ++i) {
 880                 if (bitmap_intersects(ptys2ethtool_table[i].advertised,
 881                                       link_modes,
 882                                       __ETHTOOL_LINK_MODE_MASK_NBITS))
 883                         ptys_modes |= MLX5E_PROT_MASK(i);
 884         }
 885
 886         return ptys_modes;
 887 }
 888
 889 static u32 mlx5e_ethtool2ptys_speed_link(u32 speed)
 890 {
 891         u32 i, speed_links = 0;
 892
 893         for (i = 0; i < MLX5E_LINK_MODES_NUMBER; ++i) {
 894                 if (ptys2ethtool_table[i].speed == speed)
 895                         speed_links |= MLX5E_PROT_MASK(i);
 896         }
 897
 898         return speed_links;
 899 }
 900
 901 static int mlx5e_set_link_ksettings(struct net_device *netdev,
 902                                     const struct ethtool_link_ksettings *link_ksettings)
 903 {
 904         struct mlx5e_priv *priv    = netdev_priv(netdev);
 905         struct mlx5_core_dev *mdev = priv->mdev;
 906         u32 eth_proto_cap, eth_proto_admin;
 907         bool an_changes = false;
 908         u8 an_disable_admin;
 909         u8 an_disable_cap;
 910         bool an_disable;
 911         u32 link_modes;
 912         u8 an_status;
 913         u32 speed;
 914         int err;
 915
 916         speed = link_ksettings->base.speed;
 917
 918         link_modes = link_ksettings->base.autoneg == AUTONEG_ENABLE ?
 919                 mlx5e_ethtool2ptys_adver_link(link_ksettings->link_modes.advertising) :
 920                 mlx5e_ethtool2ptys_speed_link(speed);
 921
 922         err = mlx5_query_port_proto_cap(mdev, &eth_proto_cap, MLX5_PTYS_EN);
 923         if (err) {
 924                 netdev_err(netdev, "%s: query port eth proto cap failed: %d\n",
 925                            __func__, err);
 926                 goto out;
 927         }
 928
 929         link_modes = link_modes & eth_proto_cap;
 930         if (!link_modes) {
 931                 netdev_err(netdev, "%s: Not supported link mode(s) requested",
 932                            __func__);
 933                 err = -EINVAL;
 934                 goto out;
 935         }
 936
 937         err = mlx5_query_port_proto_admin(mdev, &eth_proto_admin, MLX5_PTYS_EN);
 938         if (err) {
 939                 netdev_err(netdev, "%s: query port eth proto admin failed: %d\n",
 940                            __func__, err);
 941                 goto out;
 942         }
 943
 944         mlx5_query_port_autoneg(mdev, MLX5_PTYS_EN, &an_status,
 945                                 &an_disable_cap, &an_disable_admin);
 946
 947         an_disable = link_ksettings->base.autoneg == AUTONEG_DISABLE;
 948         an_changes = ((!an_disable && an_disable_admin) ||
 949                       (an_disable && !an_disable_admin));
 950
 951         if (!an_changes && link_modes == eth_proto_admin)
 952                 goto out;
 953
 954         mlx5_set_port_ptys(mdev, an_disable, link_modes, MLX5_PTYS_EN);
 955         mlx5_toggle_port_link(mdev);
 956
 957 out:
 958         return err;
 959 }
 960
 961 static u32 mlx5e_get_rxfh_key_size(struct net_device *netdev)
 962 {
 963         struct mlx5e_priv *priv = netdev_priv(netdev);
 964
 965         return sizeof(priv->params.toeplitz_hash_key);
 966 }
 967
 968 static u32 mlx5e_get_rxfh_indir_size(struct net_device *netdev)
 969 {
 970         return MLX5E_INDIR_RQT_SIZE;
 971 }
 972
 973 static int mlx5e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
 974                           u8 *hfunc)
 975 {
 976         struct mlx5e_priv *priv = netdev_priv(netdev);
 977
 978         if (indir)
 979                 memcpy(indir, priv->params.indirection_rqt,
 980                        sizeof(priv->params.indirection_rqt));
 981
 982         if (key)
 983                 memcpy(key, priv->params.toeplitz_hash_key,
 984                        sizeof(priv->params.toeplitz_hash_key));
 985
 986         if (hfunc)
 987                 *hfunc = priv->params.rss_hfunc;
 988
 989         return 0;
 990 }
 991
 992 static void mlx5e_modify_tirs_hash(struct mlx5e_priv *priv, void *in, int inlen)
 993 {
 994         struct mlx5_core_dev *mdev = priv->mdev;
 995         void *tirc = MLX5_ADDR_OF(modify_tir_in, in, ctx);
 996         int i;
 997
 998         MLX5_SET(modify_tir_in, in, bitmask.hash, 1);
 999         mlx5e_build_tir_ctx_hash(tirc, priv);
1000
1001         for (i = 0; i < MLX5E_NUM_INDIR_TIRS; i++)
1002                 mlx5_core_modify_tir(mdev, priv->indir_tir[i].tirn, in, inlen);
1003 }
1004
1005 static int mlx5e_set_rxfh(struct net_device *dev, const u32 *indir,
1006                           const u8 *key, const u8 hfunc)
1007 {
1008         struct mlx5e_priv *priv = netdev_priv(dev);
1009         int inlen = MLX5_ST_SZ_BYTES(modify_tir_in);
1010         void *in;
1011
1012         if ((hfunc != ETH_RSS_HASH_NO_CHANGE) &&
1013             (hfunc != ETH_RSS_HASH_XOR) &&
1014             (hfunc != ETH_RSS_HASH_TOP))
1015                 return -EINVAL;
1016
1017         in = mlx5_vzalloc(inlen);
1018         if (!in)
1019                 return -ENOMEM;
1020
1021         mutex_lock(&priv->state_lock);
1022
1023         if (indir) {
1024                 u32 rqtn = priv->indir_rqt.rqtn;
1025
1026                 memcpy(priv->params.indirection_rqt, indir,
1027                        sizeof(priv->params.indirection_rqt));
1028                 mlx5e_redirect_rqt(priv, rqtn, MLX5E_INDIR_RQT_SIZE, 0);
1029         }
1030
1031         if (key)
1032                 memcpy(priv->params.toeplitz_hash_key, key,
1033                        sizeof(priv->params.toeplitz_hash_key));
1034
1035         if (hfunc != ETH_RSS_HASH_NO_CHANGE)
1036                 priv->params.rss_hfunc = hfunc;
1037
1038         mlx5e_modify_tirs_hash(priv, in, inlen);
1039
1040         mutex_unlock(&priv->state_lock);
1041
1042         kvfree(in);
1043
1044         return 0;
1045 }
1046
1047 static int mlx5e_get_rxnfc(struct net_device *netdev,
1048                            struct ethtool_rxnfc *info, u32 *rule_locs)
1049 {
1050         struct mlx5e_priv *priv = netdev_priv(netdev);
1051         int err = 0;
1052
1053         switch (info->cmd) {
1054         case ETHTOOL_GRXRINGS:
1055                 info->data = priv->params.num_channels;
1056                 break;
1057         case ETHTOOL_GRXCLSRLCNT:
1058                 info->rule_cnt = priv->fs.ethtool.tot_num_rules;
1059                 break;
1060         case ETHTOOL_GRXCLSRULE:
1061                 err = mlx5e_ethtool_get_flow(priv, info, info->fs.location);
1062                 break;
1063         case ETHTOOL_GRXCLSRLALL:
1064                 err = mlx5e_ethtool_get_all_flows(priv, info, rule_locs);
1065                 break;
1066         default:
1067                 err = -EOPNOTSUPP;
1068                 break;
1069         }
1070
1071         return err;
1072 }
1073
1074 static int mlx5e_get_tunable(struct net_device *dev,
1075                              const struct ethtool_tunable *tuna,
1076                              void *data)
1077 {
1078         const struct mlx5e_priv *priv = netdev_priv(dev);
1079         int err = 0;
1080
1081         switch (tuna->id) {
1082         case ETHTOOL_TX_COPYBREAK:
1083                 *(u32 *)data = priv->params.tx_max_inline;
1084                 break;
1085         default:
1086                 err = -EINVAL;
1087                 break;
1088         }
1089
1090         return err;
1091 }
1092
1093 static int mlx5e_set_tunable(struct net_device *dev,
1094                              const struct ethtool_tunable *tuna,
1095                              const void *data)
1096 {
1097         struct mlx5e_priv *priv = netdev_priv(dev);
1098         struct mlx5_core_dev *mdev = priv->mdev;
1099         bool was_opened;
1100         u32 val;
1101         int err = 0;
1102
1103         switch (tuna->id) {
1104         case ETHTOOL_TX_COPYBREAK:
1105                 val = *(u32 *)data;
1106                 if (val > mlx5e_get_max_inline_cap(mdev)) {
1107                         err = -EINVAL;
1108                         break;
1109                 }
1110
1111                 mutex_lock(&priv->state_lock);
1112
1113                 was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state);
1114                 if (was_opened)
1115                         mlx5e_close_locked(dev);
1116
1117                 priv->params.tx_max_inline = val;
1118
1119                 if (was_opened)
1120                         err = mlx5e_open_locked(dev);
1121
1122                 mutex_unlock(&priv->state_lock);
1123                 break;
1124         default:
1125                 err = -EINVAL;
1126                 break;
1127         }
1128
1129         return err;
1130 }
1131
1132 static void mlx5e_get_pauseparam(struct net_device *netdev,
1133                                  struct ethtool_pauseparam *pauseparam)
1134 {
1135         struct mlx5e_priv *priv    = netdev_priv(netdev);
1136         struct mlx5_core_dev *mdev = priv->mdev;
1137         int err;
1138
1139         err = mlx5_query_port_pause(mdev, &pauseparam->rx_pause,
1140                                     &pauseparam->tx_pause);
1141         if (err) {
1142                 netdev_err(netdev, "%s: mlx5_query_port_pause failed:0x%x\n",
1143                            __func__, err);
1144         }
1145 }
1146
1147 static int mlx5e_set_pauseparam(struct net_device *netdev,
1148                                 struct ethtool_pauseparam *pauseparam)
1149 {
1150         struct mlx5e_priv *priv    = netdev_priv(netdev);
1151         struct mlx5_core_dev *mdev = priv->mdev;
1152         int err;
1153
1154         if (pauseparam->autoneg)
1155                 return -EINVAL;
1156
1157         err = mlx5_set_port_pause(mdev,
1158                                   pauseparam->rx_pause ? 1 : 0,
1159                                   pauseparam->tx_pause ? 1 : 0);
1160         if (err) {
1161                 netdev_err(netdev, "%s: mlx5_set_port_pause failed:0x%x\n",
1162                            __func__, err);
1163         }
1164
1165         return err;
1166 }
1167
1168 static int mlx5e_get_ts_info(struct net_device *dev,
1169                              struct ethtool_ts_info *info)
1170 {
1171         struct mlx5e_priv *priv = netdev_priv(dev);
1172         int ret;
1173
1174         ret = ethtool_op_get_ts_info(dev, info);
1175         if (ret)
1176                 return ret;
1177
1178         info->phc_index = priv->tstamp.ptp ?
1179                           ptp_clock_index(priv->tstamp.ptp) : -1;
1180
1181         if (!MLX5_CAP_GEN(priv->mdev, device_frequency_khz))
1182                 return 0;
1183
1184         info->so_timestamping |= SOF_TIMESTAMPING_TX_HARDWARE |
1185                                  SOF_TIMESTAMPING_RX_HARDWARE |
1186                                  SOF_TIMESTAMPING_RAW_HARDWARE;
1187
1188         info->tx_types = (BIT(1) << HWTSTAMP_TX_OFF) |
1189                          (BIT(1) << HWTSTAMP_TX_ON);
1190
1191         info->rx_filters = (BIT(1) << HWTSTAMP_FILTER_NONE) |
1192                            (BIT(1) << HWTSTAMP_FILTER_ALL);
1193
1194         return 0;
1195 }
1196
1197 static __u32 mlx5e_get_wol_supported(struct mlx5_core_dev *mdev)
1198 {
1199         __u32 ret = 0;
1200
1201         if (MLX5_CAP_GEN(mdev, wol_g))
1202                 ret |= WAKE_MAGIC;
1203
1204         if (MLX5_CAP_GEN(mdev, wol_s))
1205                 ret |= WAKE_MAGICSECURE;
1206
1207         if (MLX5_CAP_GEN(mdev, wol_a))
1208                 ret |= WAKE_ARP;
1209
1210         if (MLX5_CAP_GEN(mdev, wol_b))
1211                 ret |= WAKE_BCAST;
1212
1213         if (MLX5_CAP_GEN(mdev, wol_m))
1214                 ret |= WAKE_MCAST;
1215
1216         if (MLX5_CAP_GEN(mdev, wol_u))
1217                 ret |= WAKE_UCAST;
1218
1219         if (MLX5_CAP_GEN(mdev, wol_p))
1220                 ret |= WAKE_PHY;
1221
1222         return ret;
1223 }
1224
1225 static __u32 mlx5e_refomrat_wol_mode_mlx5_to_linux(u8 mode)
1226 {
1227         __u32 ret = 0;
1228
1229         if (mode & MLX5_WOL_MAGIC)
1230                 ret |= WAKE_MAGIC;
1231
1232         if (mode & MLX5_WOL_SECURED_MAGIC)
1233                 ret |= WAKE_MAGICSECURE;
1234
1235         if (mode & MLX5_WOL_ARP)
1236                 ret |= WAKE_ARP;
1237
1238         if (mode & MLX5_WOL_BROADCAST)
1239                 ret |= WAKE_BCAST;
1240
1241         if (mode & MLX5_WOL_MULTICAST)
1242                 ret |= WAKE_MCAST;
1243
1244         if (mode & MLX5_WOL_UNICAST)
1245                 ret |= WAKE_UCAST;
1246
1247         if (mode & MLX5_WOL_PHY_ACTIVITY)
1248                 ret |= WAKE_PHY;
1249
1250         return ret;
1251 }
1252
1253 static u8 mlx5e_refomrat_wol_mode_linux_to_mlx5(__u32 mode)
1254 {
1255         u8 ret = 0;
1256
1257         if (mode & WAKE_MAGIC)
1258                 ret |= MLX5_WOL_MAGIC;
1259
1260         if (mode & WAKE_MAGICSECURE)
1261                 ret |= MLX5_WOL_SECURED_MAGIC;
1262
1263         if (mode & WAKE_ARP)
1264                 ret |= MLX5_WOL_ARP;
1265
1266         if (mode & WAKE_BCAST)
1267                 ret |= MLX5_WOL_BROADCAST;
1268
1269         if (mode & WAKE_MCAST)
1270                 ret |= MLX5_WOL_MULTICAST;
1271
1272         if (mode & WAKE_UCAST)
1273                 ret |= MLX5_WOL_UNICAST;
1274
1275         if (mode & WAKE_PHY)
1276                 ret |= MLX5_WOL_PHY_ACTIVITY;
1277
1278         return ret;
1279 }
1280
1281 static void mlx5e_get_wol(struct net_device *netdev,
1282                           struct ethtool_wolinfo *wol)
1283 {
1284         struct mlx5e_priv *priv = netdev_priv(netdev);
1285         struct mlx5_core_dev *mdev = priv->mdev;
1286         u8 mlx5_wol_mode;
1287         int err;
1288
1289         memset(wol, 0, sizeof(*wol));
1290
1291         wol->supported = mlx5e_get_wol_supported(mdev);
1292         if (!wol->supported)
1293                 return;
1294
1295         err = mlx5_query_port_wol(mdev, &mlx5_wol_mode);
1296         if (err)
1297                 return;
1298
1299         wol->wolopts = mlx5e_refomrat_wol_mode_mlx5_to_linux(mlx5_wol_mode);
1300 }
1301
1302 static int mlx5e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1303 {
1304         struct mlx5e_priv *priv = netdev_priv(netdev);
1305         struct mlx5_core_dev *mdev = priv->mdev;
1306         __u32 wol_supported = mlx5e_get_wol_supported(mdev);
1307         u32 mlx5_wol_mode;
1308
1309         if (!wol_supported)
1310                 return -ENOTSUPP;
1311
1312         if (wol->wolopts & ~wol_supported)
1313                 return -EINVAL;
1314
1315         mlx5_wol_mode = mlx5e_refomrat_wol_mode_linux_to_mlx5(wol->wolopts);
1316
1317         return mlx5_set_port_wol(mdev, mlx5_wol_mode);
1318 }
1319
1320 static int mlx5e_set_phys_id(struct net_device *dev,
1321                              enum ethtool_phys_id_state state)
1322 {
1323         struct mlx5e_priv *priv = netdev_priv(dev);
1324         struct mlx5_core_dev *mdev = priv->mdev;
1325         u16 beacon_duration;
1326
1327         if (!MLX5_CAP_GEN(mdev, beacon_led))
1328                 return -EOPNOTSUPP;
1329
1330         switch (state) {
1331         case ETHTOOL_ID_ACTIVE:
1332                 beacon_duration = MLX5_BEACON_DURATION_INF;
1333                 break;
1334         case ETHTOOL_ID_INACTIVE:
1335                 beacon_duration = MLX5_BEACON_DURATION_OFF;
1336                 break;
1337         default:
1338                 return -EOPNOTSUPP;
1339         }
1340
1341         return mlx5_set_port_beacon(mdev, beacon_duration);
1342 }
1343
1344 static int mlx5e_get_module_info(struct net_device *netdev,
1345                                  struct ethtool_modinfo *modinfo)
1346 {
1347         struct mlx5e_priv *priv = netdev_priv(netdev);
1348         struct mlx5_core_dev *dev = priv->mdev;
1349         int size_read = 0;
1350         u8 data[4];
1351
1352         size_read = mlx5_query_module_eeprom(dev, 0, 2, data);
1353         if (size_read < 2)
1354                 return -EIO;
1355
1356         /* data[0] = identifier byte */
1357         switch (data[0]) {
1358         case MLX5_MODULE_ID_QSFP:
1359                 modinfo->type       = ETH_MODULE_SFF_8436;
1360                 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
1361                 break;
1362         case MLX5_MODULE_ID_QSFP_PLUS:
1363         case MLX5_MODULE_ID_QSFP28:
1364                 /* data[1] = revision id */
1365                 if (data[0] == MLX5_MODULE_ID_QSFP28 || data[1] >= 0x3) {
1366                         modinfo->type       = ETH_MODULE_SFF_8636;
1367                         modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
1368                 } else {
1369                         modinfo->type       = ETH_MODULE_SFF_8436;
1370                         modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
1371                 }
1372                 break;
1373         case MLX5_MODULE_ID_SFP:
1374                 modinfo->type       = ETH_MODULE_SFF_8472;
1375                 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
1376                 break;
1377         default:
1378                 netdev_err(priv->netdev, "%s: cable type not recognized:0x%x\n",
1379                            __func__, data[0]);
1380                 return -EINVAL;
1381         }
1382
1383         return 0;
1384 }
1385
1386 static int mlx5e_get_module_eeprom(struct net_device *netdev,
1387                                    struct ethtool_eeprom *ee,
1388                                    u8 *data)
1389 {
1390         struct mlx5e_priv *priv = netdev_priv(netdev);
1391         struct mlx5_core_dev *mdev = priv->mdev;
1392         int offset = ee->offset;
1393         int size_read;
1394         int i = 0;
1395
1396         if (!ee->len)
1397                 return -EINVAL;
1398
1399         memset(data, 0, ee->len);
1400
1401         while (i < ee->len) {
1402                 size_read = mlx5_query_module_eeprom(mdev, offset, ee->len - i,
1403                                                      data + i);
1404
1405                 if (!size_read)
1406                         /* Done reading */
1407                         return 0;
1408
1409                 if (size_read < 0) {
1410                         netdev_err(priv->netdev, "%s: mlx5_query_eeprom failed:0x%x\n",
1411                                    __func__, size_read);
1412                         return 0;
1413                 }
1414
1415                 i += size_read;
1416                 offset += size_read;
1417         }
1418
1419         return 0;
1420 }
1421
1422 typedef int (*mlx5e_pflag_handler)(struct net_device *netdev, bool enable);
1423
1424 static int set_pflag_rx_cqe_based_moder(struct net_device *netdev, bool enable)
1425 {
1426         struct mlx5e_priv *priv = netdev_priv(netdev);
1427         struct mlx5_core_dev *mdev = priv->mdev;
1428         bool rx_mode_changed;
1429         u8 rx_cq_period_mode;
1430         int err = 0;
1431         bool reset;
1432
1433         rx_cq_period_mode = enable ?
1434                 MLX5_CQ_PERIOD_MODE_START_FROM_CQE :
1435                 MLX5_CQ_PERIOD_MODE_START_FROM_EQE;
1436         rx_mode_changed = rx_cq_period_mode != priv->params.rx_cq_period_mode;
1437
1438         if (rx_cq_period_mode == MLX5_CQ_PERIOD_MODE_START_FROM_CQE &&
1439             !MLX5_CAP_GEN(mdev, cq_period_start_from_cqe))
1440                 return -ENOTSUPP;
1441
1442         if (!rx_mode_changed)
1443                 return 0;
1444
1445         reset = test_bit(MLX5E_STATE_OPENED, &priv->state);
1446         if (reset)
1447                 mlx5e_close_locked(netdev);
1448
1449         mlx5e_set_rx_cq_mode_params(&priv->params, rx_cq_period_mode);
1450
1451         if (reset)
1452                 err = mlx5e_open_locked(netdev);
1453
1454         return err;
1455 }
1456
1457 static int set_pflag_rx_cqe_compress(struct net_device *netdev,
1458                                      bool enable)
1459 {
1460         struct mlx5e_priv *priv = netdev_priv(netdev);
1461         struct mlx5_core_dev *mdev = priv->mdev;
1462         int err = 0;
1463         bool reset;
1464
1465         if (!MLX5_CAP_GEN(mdev, cqe_compression))
1466                 return -ENOTSUPP;
1467
1468         if (enable && priv->tstamp.hwtstamp_config.rx_filter != HWTSTAMP_FILTER_NONE) {
1469                 netdev_err(netdev, "Can't enable cqe compression while timestamping is enabled.\n");
1470                 return -EINVAL;
1471         }
1472
1473         reset = test_bit(MLX5E_STATE_OPENED, &priv->state);
1474
1475         if (reset)
1476                 mlx5e_close_locked(netdev);
1477
1478         MLX5E_SET_PFLAG(priv, MLX5E_PFLAG_RX_CQE_COMPRESS, enable);
1479         priv->params.rx_cqe_compress_def = enable;
1480
1481         if (reset)
1482                 err = mlx5e_open_locked(netdev);
1483         return err;
1484 }
1485
1486 static int mlx5e_handle_pflag(struct net_device *netdev,
1487                               u32 wanted_flags,
1488                               enum mlx5e_priv_flag flag,
1489                               mlx5e_pflag_handler pflag_handler)
1490 {
1491         struct mlx5e_priv *priv = netdev_priv(netdev);
1492         bool enable = !!(wanted_flags & flag);
1493         u32 changes = wanted_flags ^ priv->params.pflags;
1494         int err;
1495
1496         if (!(changes & flag))
1497                 return 0;
1498
1499         err = pflag_handler(netdev, enable);
1500         if (err) {
1501                 netdev_err(netdev, "%s private flag 0x%x failed err %d\n",
1502                            enable ? "Enable" : "Disable", flag, err);
1503                 return err;
1504         }
1505
1506         MLX5E_SET_PFLAG(priv, flag, enable);
1507         return 0;
1508 }
1509
1510 static int mlx5e_set_priv_flags(struct net_device *netdev, u32 pflags)
1511 {
1512         struct mlx5e_priv *priv = netdev_priv(netdev);
1513         int err;
1514
1515         mutex_lock(&priv->state_lock);
1516         err = mlx5e_handle_pflag(netdev, pflags,
1517                                  MLX5E_PFLAG_RX_CQE_BASED_MODER,
1518                                  set_pflag_rx_cqe_based_moder);
1519         if (err)
1520                 goto out;
1521
1522         err = mlx5e_handle_pflag(netdev, pflags,
1523                                  MLX5E_PFLAG_RX_CQE_COMPRESS,
1524                                  set_pflag_rx_cqe_compress);
1525
1526 out:
1527         mutex_unlock(&priv->state_lock);
1528         return err;
1529 }
1530
1531 static u32 mlx5e_get_priv_flags(struct net_device *netdev)
1532 {
1533         struct mlx5e_priv *priv = netdev_priv(netdev);
1534
1535         return priv->params.pflags;
1536 }
1537
1538 static int mlx5e_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
1539 {
1540         int err = 0;
1541         struct mlx5e_priv *priv = netdev_priv(dev);
1542
1543         switch (cmd->cmd) {
1544         case ETHTOOL_SRXCLSRLINS:
1545                 err = mlx5e_ethtool_flow_replace(priv, &cmd->fs);
1546                 break;
1547         case ETHTOOL_SRXCLSRLDEL:
1548                 err = mlx5e_ethtool_flow_remove(priv, cmd->fs.location);
1549                 break;
1550         default:
1551                 err = -EOPNOTSUPP;
1552                 break;
1553         }
1554
1555         return err;
1556 }
1557
1558 const struct ethtool_ops mlx5e_ethtool_ops = {
1559         .get_drvinfo       = mlx5e_get_drvinfo,
1560         .get_link          = ethtool_op_get_link,
1561         .get_strings       = mlx5e_get_strings,
1562         .get_sset_count    = mlx5e_get_sset_count,
1563         .get_ethtool_stats = mlx5e_get_ethtool_stats,
1564         .get_ringparam     = mlx5e_get_ringparam,
1565         .set_ringparam     = mlx5e_set_ringparam,
1566         .get_channels      = mlx5e_get_channels,
1567         .set_channels      = mlx5e_set_channels,
1568         .get_coalesce      = mlx5e_get_coalesce,
1569         .set_coalesce      = mlx5e_set_coalesce,
1570         .get_link_ksettings  = mlx5e_get_link_ksettings,
1571         .set_link_ksettings  = mlx5e_set_link_ksettings,
1572         .get_rxfh_key_size   = mlx5e_get_rxfh_key_size,
1573         .get_rxfh_indir_size = mlx5e_get_rxfh_indir_size,
1574         .get_rxfh          = mlx5e_get_rxfh,
1575         .set_rxfh          = mlx5e_set_rxfh,
1576         .get_rxnfc         = mlx5e_get_rxnfc,
1577         .set_rxnfc         = mlx5e_set_rxnfc,
1578         .get_tunable       = mlx5e_get_tunable,
1579         .set_tunable       = mlx5e_set_tunable,
1580         .get_pauseparam    = mlx5e_get_pauseparam,
1581         .set_pauseparam    = mlx5e_set_pauseparam,
1582         .get_ts_info       = mlx5e_get_ts_info,
1583         .set_phys_id       = mlx5e_set_phys_id,
1584         .get_wol           = mlx5e_get_wol,
1585         .set_wol           = mlx5e_set_wol,
1586         .get_module_info   = mlx5e_get_module_info,
1587         .get_module_eeprom = mlx5e_get_module_eeprom,
1588         .get_priv_flags    = mlx5e_get_priv_flags,
1589         .set_priv_flags    = mlx5e_set_priv_flags,
1590         .self_test         = mlx5e_self_test,
1591 };