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 static const struct {
  52         u32 supported;
  53         u32 advertised;
  54         u32 speed;
  55 } ptys2ethtool_table[MLX5E_LINK_MODES_NUMBER] = {
  56         [MLX5E_1000BASE_CX_SGMII] = {
  57                 .supported  = SUPPORTED_1000baseKX_Full,
  58                 .advertised = ADVERTISED_1000baseKX_Full,
  59                 .speed      = 1000,
  60         },
  61         [MLX5E_1000BASE_KX] = {
  62                 .supported  = SUPPORTED_1000baseKX_Full,
  63                 .advertised = ADVERTISED_1000baseKX_Full,
  64                 .speed      = 1000,
  65         },
  66         [MLX5E_10GBASE_CX4] = {
  67                 .supported  = SUPPORTED_10000baseKX4_Full,
  68                 .advertised = ADVERTISED_10000baseKX4_Full,
  69                 .speed      = 10000,
  70         },
  71         [MLX5E_10GBASE_KX4] = {
  72                 .supported  = SUPPORTED_10000baseKX4_Full,
  73                 .advertised = ADVERTISED_10000baseKX4_Full,
  74                 .speed      = 10000,
  75         },
  76         [MLX5E_10GBASE_KR] = {
  77                 .supported  = SUPPORTED_10000baseKR_Full,
  78                 .advertised = ADVERTISED_10000baseKR_Full,
  79                 .speed      = 10000,
  80         },
  81         [MLX5E_20GBASE_KR2] = {
  82                 .supported  = SUPPORTED_20000baseKR2_Full,
  83                 .advertised = ADVERTISED_20000baseKR2_Full,
  84                 .speed      = 20000,
  85         },
  86         [MLX5E_40GBASE_CR4] = {
  87                 .supported  = SUPPORTED_40000baseCR4_Full,
  88                 .advertised = ADVERTISED_40000baseCR4_Full,
  89                 .speed      = 40000,
  90         },
  91         [MLX5E_40GBASE_KR4] = {
  92                 .supported  = SUPPORTED_40000baseKR4_Full,
  93                 .advertised = ADVERTISED_40000baseKR4_Full,
  94                 .speed      = 40000,
  95         },
  96         [MLX5E_56GBASE_R4] = {
  97                 .supported  = SUPPORTED_56000baseKR4_Full,
  98                 .advertised = ADVERTISED_56000baseKR4_Full,
  99                 .speed      = 56000,
 100         },
 101         [MLX5E_10GBASE_CR] = {
 102                 .supported  = SUPPORTED_10000baseKR_Full,
 103                 .advertised = ADVERTISED_10000baseKR_Full,
 104                 .speed      = 10000,
 105         },
 106         [MLX5E_10GBASE_SR] = {
 107                 .supported  = SUPPORTED_10000baseKR_Full,
 108                 .advertised = ADVERTISED_10000baseKR_Full,
 109                 .speed      = 10000,
 110         },
 111         [MLX5E_10GBASE_ER] = {
 112                 .supported  = SUPPORTED_10000baseKR_Full,
 113                 .advertised = ADVERTISED_10000baseKR_Full,
 114                 .speed      = 10000,
 115         },
 116         [MLX5E_40GBASE_SR4] = {
 117                 .supported  = SUPPORTED_40000baseSR4_Full,
 118                 .advertised = ADVERTISED_40000baseSR4_Full,
 119                 .speed      = 40000,
 120         },
 121         [MLX5E_40GBASE_LR4] = {
 122                 .supported  = SUPPORTED_40000baseLR4_Full,
 123                 .advertised = ADVERTISED_40000baseLR4_Full,
 124                 .speed      = 40000,
 125         },
 126         [MLX5E_100GBASE_CR4] = {
 127                 .speed      = 100000,
 128         },
 129         [MLX5E_100GBASE_SR4] = {
 130                 .speed      = 100000,
 131         },
 132         [MLX5E_100GBASE_KR4] = {
 133                 .speed      = 100000,
 134         },
 135         [MLX5E_100GBASE_LR4] = {
 136                 .speed      = 100000,
 137         },
 138         [MLX5E_100BASE_TX]   = {
 139                 .speed      = 100,
 140         },
 141         [MLX5E_100BASE_T]    = {
 142                 .supported  = SUPPORTED_100baseT_Full,
 143                 .advertised = ADVERTISED_100baseT_Full,
 144                 .speed      = 100,
 145         },
 146         [MLX5E_10GBASE_T]    = {
 147                 .supported  = SUPPORTED_10000baseT_Full,
 148                 .advertised = ADVERTISED_10000baseT_Full,
 149                 .speed      = 1000,
 150         },
 151         [MLX5E_25GBASE_CR]   = {
 152                 .speed      = 25000,
 153         },
 154         [MLX5E_25GBASE_KR]   = {
 155                 .speed      = 25000,
 156         },
 157         [MLX5E_25GBASE_SR]   = {
 158                 .speed      = 25000,
 159         },
 160         [MLX5E_50GBASE_CR2]  = {
 161                 .speed      = 50000,
 162         },
 163         [MLX5E_50GBASE_KR2]  = {
 164                 .speed      = 50000,
 165         },
 166 };
 167
 168 static int mlx5e_get_sset_count(struct net_device *dev, int sset)
 169 {
 170         struct mlx5e_priv *priv = netdev_priv(dev);
 171
 172         switch (sset) {
 173         case ETH_SS_STATS:
 174                 return NUM_VPORT_COUNTERS + NUM_PPORT_COUNTERS +
 175                        priv->params.num_channels * NUM_RQ_STATS +
 176                        priv->params.num_channels * priv->params.num_tc *
 177                                                    NUM_SQ_STATS;
 178         /* fallthrough */
 179         default:
 180                 return -EOPNOTSUPP;
 181         }
 182 }
 183
 184 static void mlx5e_get_strings(struct net_device *dev,
 185                               uint32_t stringset, uint8_t *data)
 186 {
 187         int i, j, tc, idx = 0;
 188         struct mlx5e_priv *priv = netdev_priv(dev);
 189
 190         switch (stringset) {
 191         case ETH_SS_PRIV_FLAGS:
 192                 break;
 193
 194         case ETH_SS_TEST:
 195                 break;
 196
 197         case ETH_SS_STATS:
 198                 /* VPORT counters */
 199                 for (i = 0; i < NUM_VPORT_COUNTERS; i++)
 200                         strcpy(data + (idx++) * ETH_GSTRING_LEN,
 201                                vport_strings[i]);
 202
 203                 /* PPORT counters */
 204                 for (i = 0; i < NUM_PPORT_COUNTERS; i++)
 205                         strcpy(data + (idx++) * ETH_GSTRING_LEN,
 206                                pport_strings[i]);
 207
 208                 /* per channel counters */
 209                 for (i = 0; i < priv->params.num_channels; i++)
 210                         for (j = 0; j < NUM_RQ_STATS; j++)
 211                                 sprintf(data + (idx++) * ETH_GSTRING_LEN,
 212                                         "rx%d_%s", i, rq_stats_strings[j]);
 213
 214                 for (i = 0; i < priv->params.num_channels; i++)
 215                         for (tc = 0; tc < priv->params.num_tc; tc++)
 216                                 for (j = 0; j < NUM_SQ_STATS; j++)
 217                                         sprintf(data +
 218                                                 (idx++) * ETH_GSTRING_LEN,
 219                                                 "tx%d_%d_%s", i, tc,
 220                                                 sq_stats_strings[j]);
 221                 break;
 222         }
 223 }
 224
 225 static void mlx5e_get_ethtool_stats(struct net_device *dev,
 226                                     struct ethtool_stats *stats, u64 *data)
 227 {
 228         struct mlx5e_priv *priv = netdev_priv(dev);
 229         int i, j, tc, idx = 0;
 230
 231         if (!data)
 232                 return;
 233
 234         mutex_lock(&priv->state_lock);
 235         if (test_bit(MLX5E_STATE_OPENED, &priv->state))
 236                 mlx5e_update_stats(priv);
 237         mutex_unlock(&priv->state_lock);
 238
 239         for (i = 0; i < NUM_VPORT_COUNTERS; i++)
 240                 data[idx++] = ((u64 *)&priv->stats.vport)[i];
 241
 242         for (i = 0; i < NUM_PPORT_COUNTERS; i++)
 243                 data[idx++] = be64_to_cpu(((__be64 *)&priv->stats.pport)[i]);
 244
 245         /* per channel counters */
 246         for (i = 0; i < priv->params.num_channels; i++)
 247                 for (j = 0; j < NUM_RQ_STATS; j++)
 248                         data[idx++] = !test_bit(MLX5E_STATE_OPENED,
 249                                                 &priv->state) ? 0 :
 250                                        ((u64 *)&priv->channel[i]->rq.stats)[j];
 251
 252         for (i = 0; i < priv->params.num_channels; i++)
 253                 for (tc = 0; tc < priv->params.num_tc; tc++)
 254                         for (j = 0; j < NUM_SQ_STATS; j++)
 255                                 data[idx++] = !test_bit(MLX5E_STATE_OPENED,
 256                                                         &priv->state) ? 0 :
 257                                 ((u64 *)&priv->channel[i]->sq[tc].stats)[j];
 258 }
 259
 260 static void mlx5e_get_ringparam(struct net_device *dev,
 261                                 struct ethtool_ringparam *param)
 262 {
 263         struct mlx5e_priv *priv = netdev_priv(dev);
 264
 265         param->rx_max_pending = 1 << MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE;
 266         param->tx_max_pending = 1 << MLX5E_PARAMS_MAXIMUM_LOG_SQ_SIZE;
 267         param->rx_pending     = 1 << priv->params.log_rq_size;
 268         param->tx_pending     = 1 << priv->params.log_sq_size;
 269 }
 270
 271 static int mlx5e_set_ringparam(struct net_device *dev,
 272                                struct ethtool_ringparam *param)
 273 {
 274         struct mlx5e_priv *priv = netdev_priv(dev);
 275         bool was_opened;
 276         u16 min_rx_wqes;
 277         u8 log_rq_size;
 278         u8 log_sq_size;
 279         int err = 0;
 280
 281         if (param->rx_jumbo_pending) {
 282                 netdev_info(dev, "%s: rx_jumbo_pending not supported\n",
 283                             __func__);
 284                 return -EINVAL;
 285         }
 286         if (param->rx_mini_pending) {
 287                 netdev_info(dev, "%s: rx_mini_pending not supported\n",
 288                             __func__);
 289                 return -EINVAL;
 290         }
 291         if (param->rx_pending < (1 << MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE)) {
 292                 netdev_info(dev, "%s: rx_pending (%d) < min (%d)\n",
 293                             __func__, param->rx_pending,
 294                             1 << MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE);
 295                 return -EINVAL;
 296         }
 297         if (param->rx_pending > (1 << MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE)) {
 298                 netdev_info(dev, "%s: rx_pending (%d) > max (%d)\n",
 299                             __func__, param->rx_pending,
 300                             1 << MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE);
 301                 return -EINVAL;
 302         }
 303         if (param->tx_pending < (1 << MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE)) {
 304                 netdev_info(dev, "%s: tx_pending (%d) < min (%d)\n",
 305                             __func__, param->tx_pending,
 306                             1 << MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE);
 307                 return -EINVAL;
 308         }
 309         if (param->tx_pending > (1 << MLX5E_PARAMS_MAXIMUM_LOG_SQ_SIZE)) {
 310                 netdev_info(dev, "%s: tx_pending (%d) > max (%d)\n",
 311                             __func__, param->tx_pending,
 312                             1 << MLX5E_PARAMS_MAXIMUM_LOG_SQ_SIZE);
 313                 return -EINVAL;
 314         }
 315
 316         log_rq_size = order_base_2(param->rx_pending);
 317         log_sq_size = order_base_2(param->tx_pending);
 318         min_rx_wqes = min_t(u16, param->rx_pending - 1,
 319                             MLX5E_PARAMS_DEFAULT_MIN_RX_WQES);
 320
 321         if (log_rq_size == priv->params.log_rq_size &&
 322             log_sq_size == priv->params.log_sq_size &&
 323             min_rx_wqes == priv->params.min_rx_wqes)
 324                 return 0;
 325
 326         mutex_lock(&priv->state_lock);
 327
 328         was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state);
 329         if (was_opened)
 330                 mlx5e_close_locked(dev);
 331
 332         priv->params.log_rq_size = log_rq_size;
 333         priv->params.log_sq_size = log_sq_size;
 334         priv->params.min_rx_wqes = min_rx_wqes;
 335
 336         if (was_opened)
 337                 err = mlx5e_open_locked(dev);
 338
 339         mutex_unlock(&priv->state_lock);
 340
 341         return err;
 342 }
 343
 344 static void mlx5e_get_channels(struct net_device *dev,
 345                                struct ethtool_channels *ch)
 346 {
 347         struct mlx5e_priv *priv = netdev_priv(dev);
 348
 349         ch->max_combined   = mlx5e_get_max_num_channels(priv->mdev);
 350         ch->combined_count = priv->params.num_channels;
 351 }
 352
 353 static int mlx5e_set_channels(struct net_device *dev,
 354                               struct ethtool_channels *ch)
 355 {
 356         struct mlx5e_priv *priv = netdev_priv(dev);
 357         int ncv = mlx5e_get_max_num_channels(priv->mdev);
 358         unsigned int count = ch->combined_count;
 359         bool was_opened;
 360         int err = 0;
 361
 362         if (!count) {
 363                 netdev_info(dev, "%s: combined_count=0 not supported\n",
 364                             __func__);
 365                 return -EINVAL;
 366         }
 367         if (ch->rx_count || ch->tx_count) {
 368                 netdev_info(dev, "%s: separate rx/tx count not supported\n",
 369                             __func__);
 370                 return -EINVAL;
 371         }
 372         if (count > ncv) {
 373                 netdev_info(dev, "%s: count (%d) > max (%d)\n",
 374                             __func__, count, ncv);
 375                 return -EINVAL;
 376         }
 377
 378         if (priv->params.num_channels == count)
 379                 return 0;
 380
 381         mutex_lock(&priv->state_lock);
 382
 383         was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state);
 384         if (was_opened)
 385                 mlx5e_close_locked(dev);
 386
 387         priv->params.num_channels = count;
 388         mlx5e_build_default_indir_rqt(priv->params.indirection_rqt,
 389                                       MLX5E_INDIR_RQT_SIZE, count);
 390
 391         if (was_opened)
 392                 err = mlx5e_open_locked(dev);
 393
 394         mutex_unlock(&priv->state_lock);
 395
 396         return err;
 397 }
 398
 399 static int mlx5e_get_coalesce(struct net_device *netdev,
 400                               struct ethtool_coalesce *coal)
 401 {
 402         struct mlx5e_priv *priv = netdev_priv(netdev);
 403
 404         coal->rx_coalesce_usecs       = priv->params.rx_cq_moderation_usec;
 405         coal->rx_max_coalesced_frames = priv->params.rx_cq_moderation_pkts;
 406         coal->tx_coalesce_usecs       = priv->params.tx_cq_moderation_usec;
 407         coal->tx_max_coalesced_frames = priv->params.tx_cq_moderation_pkts;
 408
 409         return 0;
 410 }
 411
 412 static int mlx5e_set_coalesce(struct net_device *netdev,
 413                               struct ethtool_coalesce *coal)
 414 {
 415         struct mlx5e_priv *priv    = netdev_priv(netdev);
 416         struct mlx5_core_dev *mdev = priv->mdev;
 417         struct mlx5e_channel *c;
 418         int tc;
 419         int i;
 420
 421         priv->params.tx_cq_moderation_usec = coal->tx_coalesce_usecs;
 422         priv->params.tx_cq_moderation_pkts = coal->tx_max_coalesced_frames;
 423         priv->params.rx_cq_moderation_usec = coal->rx_coalesce_usecs;
 424         priv->params.rx_cq_moderation_pkts = coal->rx_max_coalesced_frames;
 425
 426         for (i = 0; i < priv->params.num_channels; ++i) {
 427                 c = priv->channel[i];
 428
 429                 for (tc = 0; tc < c->num_tc; tc++) {
 430                         mlx5_core_modify_cq_moderation(mdev,
 431                                                 &c->sq[tc].cq.mcq,
 432                                                 coal->tx_coalesce_usecs,
 433                                                 coal->tx_max_coalesced_frames);
 434                 }
 435
 436                 mlx5_core_modify_cq_moderation(mdev, &c->rq.cq.mcq,
 437                                                coal->rx_coalesce_usecs,
 438                                                coal->rx_max_coalesced_frames);
 439         }
 440
 441         return 0;
 442 }
 443
 444 static u32 ptys2ethtool_supported_link(u32 eth_proto_cap)
 445 {
 446         int i;
 447         u32 supported_modes = 0;
 448
 449         for (i = 0; i < MLX5E_LINK_MODES_NUMBER; ++i) {
 450                 if (eth_proto_cap & MLX5E_PROT_MASK(i))
 451                         supported_modes |= ptys2ethtool_table[i].supported;
 452         }
 453         return supported_modes;
 454 }
 455
 456 static u32 ptys2ethtool_adver_link(u32 eth_proto_cap)
 457 {
 458         int i;
 459         u32 advertising_modes = 0;
 460
 461         for (i = 0; i < MLX5E_LINK_MODES_NUMBER; ++i) {
 462                 if (eth_proto_cap & MLX5E_PROT_MASK(i))
 463                         advertising_modes |= ptys2ethtool_table[i].advertised;
 464         }
 465         return advertising_modes;
 466 }
 467
 468 static u32 ptys2ethtool_supported_port(u32 eth_proto_cap)
 469 {
 470         if (eth_proto_cap & (MLX5E_PROT_MASK(MLX5E_10GBASE_CR)
 471                            | MLX5E_PROT_MASK(MLX5E_10GBASE_SR)
 472                            | MLX5E_PROT_MASK(MLX5E_40GBASE_CR4)
 473                            | MLX5E_PROT_MASK(MLX5E_40GBASE_SR4)
 474                            | MLX5E_PROT_MASK(MLX5E_100GBASE_SR4)
 475                            | MLX5E_PROT_MASK(MLX5E_1000BASE_CX_SGMII))) {
 476                 return SUPPORTED_FIBRE;
 477         }
 478
 479         if (eth_proto_cap & (MLX5E_PROT_MASK(MLX5E_100GBASE_KR4)
 480                            | MLX5E_PROT_MASK(MLX5E_40GBASE_KR4)
 481                            | MLX5E_PROT_MASK(MLX5E_10GBASE_KR)
 482                            | MLX5E_PROT_MASK(MLX5E_10GBASE_KX4)
 483                            | MLX5E_PROT_MASK(MLX5E_1000BASE_KX))) {
 484                 return SUPPORTED_Backplane;
 485         }
 486         return 0;
 487 }
 488
 489 static void get_speed_duplex(struct net_device *netdev,
 490                              u32 eth_proto_oper,
 491                              struct ethtool_cmd *cmd)
 492 {
 493         int i;
 494         u32 speed = SPEED_UNKNOWN;
 495         u8 duplex = DUPLEX_UNKNOWN;
 496
 497         if (!netif_carrier_ok(netdev))
 498                 goto out;
 499
 500         for (i = 0; i < MLX5E_LINK_MODES_NUMBER; ++i) {
 501                 if (eth_proto_oper & MLX5E_PROT_MASK(i)) {
 502                         speed = ptys2ethtool_table[i].speed;
 503                         duplex = DUPLEX_FULL;
 504                         break;
 505                 }
 506         }
 507 out:
 508         ethtool_cmd_speed_set(cmd, speed);
 509         cmd->duplex = duplex;
 510 }
 511
 512 static void get_supported(u32 eth_proto_cap, u32 *supported)
 513 {
 514         *supported |= ptys2ethtool_supported_port(eth_proto_cap);
 515         *supported |= ptys2ethtool_supported_link(eth_proto_cap);
 516         *supported |= SUPPORTED_Pause | SUPPORTED_Asym_Pause;
 517 }
 518
 519 static void get_advertising(u32 eth_proto_cap, u8 tx_pause,
 520                             u8 rx_pause, u32 *advertising)
 521 {
 522         *advertising |= ptys2ethtool_adver_link(eth_proto_cap);
 523         *advertising |= tx_pause ? ADVERTISED_Pause : 0;
 524         *advertising |= (tx_pause ^ rx_pause) ? ADVERTISED_Asym_Pause : 0;
 525 }
 526
 527 static u8 get_connector_port(u32 eth_proto)
 528 {
 529         if (eth_proto & (MLX5E_PROT_MASK(MLX5E_10GBASE_SR)
 530                          | MLX5E_PROT_MASK(MLX5E_40GBASE_SR4)
 531                          | MLX5E_PROT_MASK(MLX5E_100GBASE_SR4)
 532                          | MLX5E_PROT_MASK(MLX5E_1000BASE_CX_SGMII))) {
 533                         return PORT_FIBRE;
 534         }
 535
 536         if (eth_proto & (MLX5E_PROT_MASK(MLX5E_40GBASE_CR4)
 537                          | MLX5E_PROT_MASK(MLX5E_10GBASE_CR)
 538                          | MLX5E_PROT_MASK(MLX5E_100GBASE_CR4))) {
 539                         return PORT_DA;
 540         }
 541
 542         if (eth_proto & (MLX5E_PROT_MASK(MLX5E_10GBASE_KX4)
 543                          | MLX5E_PROT_MASK(MLX5E_10GBASE_KR)
 544                          | MLX5E_PROT_MASK(MLX5E_40GBASE_KR4)
 545                          | MLX5E_PROT_MASK(MLX5E_100GBASE_KR4))) {
 546                         return PORT_NONE;
 547         }
 548
 549         return PORT_OTHER;
 550 }
 551
 552 static void get_lp_advertising(u32 eth_proto_lp, u32 *lp_advertising)
 553 {
 554         *lp_advertising = ptys2ethtool_adver_link(eth_proto_lp);
 555 }
 556
 557 static int mlx5e_get_settings(struct net_device *netdev,
 558                               struct ethtool_cmd *cmd)
 559 {
 560         struct mlx5e_priv *priv    = netdev_priv(netdev);
 561         struct mlx5_core_dev *mdev = priv->mdev;
 562         u32 out[MLX5_ST_SZ_DW(ptys_reg)];
 563         u32 eth_proto_cap;
 564         u32 eth_proto_admin;
 565         u32 eth_proto_lp;
 566         u32 eth_proto_oper;
 567         int err;
 568
 569         err = mlx5_query_port_ptys(mdev, out, sizeof(out), MLX5_PTYS_EN, 1);
 570
 571         if (err) {
 572                 netdev_err(netdev, "%s: query port ptys failed: %d\n",
 573                            __func__, err);
 574                 goto err_query_ptys;
 575         }
 576
 577         eth_proto_cap   = MLX5_GET(ptys_reg, out, eth_proto_capability);
 578         eth_proto_admin = MLX5_GET(ptys_reg, out, eth_proto_admin);
 579         eth_proto_oper  = MLX5_GET(ptys_reg, out, eth_proto_oper);
 580         eth_proto_lp    = MLX5_GET(ptys_reg, out, eth_proto_lp_advertise);
 581
 582         cmd->supported   = 0;
 583         cmd->advertising = 0;
 584
 585         get_supported(eth_proto_cap, &cmd->supported);
 586         get_advertising(eth_proto_admin, 0, 0, &cmd->advertising);
 587         get_speed_duplex(netdev, eth_proto_oper, cmd);
 588
 589         eth_proto_oper = eth_proto_oper ? eth_proto_oper : eth_proto_cap;
 590
 591         cmd->port = get_connector_port(eth_proto_oper);
 592         get_lp_advertising(eth_proto_lp, &cmd->lp_advertising);
 593
 594         cmd->transceiver = XCVR_INTERNAL;
 595
 596 err_query_ptys:
 597         return err;
 598 }
 599
 600 static u32 mlx5e_ethtool2ptys_adver_link(u32 link_modes)
 601 {
 602         u32 i, ptys_modes = 0;
 603
 604         for (i = 0; i < MLX5E_LINK_MODES_NUMBER; ++i) {
 605                 if (ptys2ethtool_table[i].advertised & link_modes)
 606                         ptys_modes |= MLX5E_PROT_MASK(i);
 607         }
 608
 609         return ptys_modes;
 610 }
 611
 612 static u32 mlx5e_ethtool2ptys_speed_link(u32 speed)
 613 {
 614         u32 i, speed_links = 0;
 615
 616         for (i = 0; i < MLX5E_LINK_MODES_NUMBER; ++i) {
 617                 if (ptys2ethtool_table[i].speed == speed)
 618                         speed_links |= MLX5E_PROT_MASK(i);
 619         }
 620
 621         return speed_links;
 622 }
 623
 624 static int mlx5e_set_settings(struct net_device *netdev,
 625                               struct ethtool_cmd *cmd)
 626 {
 627         struct mlx5e_priv *priv    = netdev_priv(netdev);
 628         struct mlx5_core_dev *mdev = priv->mdev;
 629         u32 link_modes;
 630         u32 speed;
 631         u32 eth_proto_cap, eth_proto_admin;
 632         enum mlx5_port_status ps;
 633         int err;
 634
 635         speed = ethtool_cmd_speed(cmd);
 636
 637         link_modes = cmd->autoneg == AUTONEG_ENABLE ?
 638                 mlx5e_ethtool2ptys_adver_link(cmd->advertising) :
 639                 mlx5e_ethtool2ptys_speed_link(speed);
 640
 641         err = mlx5_query_port_proto_cap(mdev, &eth_proto_cap, MLX5_PTYS_EN);
 642         if (err) {
 643                 netdev_err(netdev, "%s: query port eth proto cap failed: %d\n",
 644                            __func__, err);
 645                 goto out;
 646         }
 647
 648         link_modes = link_modes & eth_proto_cap;
 649         if (!link_modes) {
 650                 netdev_err(netdev, "%s: Not supported link mode(s) requested",
 651                            __func__);
 652                 err = -EINVAL;
 653                 goto out;
 654         }
 655
 656         err = mlx5_query_port_proto_admin(mdev, &eth_proto_admin, MLX5_PTYS_EN);
 657         if (err) {
 658                 netdev_err(netdev, "%s: query port eth proto admin failed: %d\n",
 659                            __func__, err);
 660                 goto out;
 661         }
 662
 663         if (link_modes == eth_proto_admin)
 664                 goto out;
 665
 666         mlx5_query_port_admin_status(mdev, &ps);
 667         if (ps == MLX5_PORT_UP)
 668                 mlx5_set_port_admin_status(mdev, MLX5_PORT_DOWN);
 669         mlx5_set_port_proto(mdev, link_modes, MLX5_PTYS_EN);
 670         if (ps == MLX5_PORT_UP)
 671                 mlx5_set_port_admin_status(mdev, MLX5_PORT_UP);
 672
 673 out:
 674         return err;
 675 }
 676
 677 static u32 mlx5e_get_rxfh_key_size(struct net_device *netdev)
 678 {
 679         struct mlx5e_priv *priv = netdev_priv(netdev);
 680
 681         return sizeof(priv->params.toeplitz_hash_key);
 682 }
 683
 684 static u32 mlx5e_get_rxfh_indir_size(struct net_device *netdev)
 685 {
 686         return MLX5E_INDIR_RQT_SIZE;
 687 }
 688
 689 static int mlx5e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
 690                           u8 *hfunc)
 691 {
 692         struct mlx5e_priv *priv = netdev_priv(netdev);
 693
 694         if (indir)
 695                 memcpy(indir, priv->params.indirection_rqt,
 696                        sizeof(priv->params.indirection_rqt));
 697
 698         if (key)
 699                 memcpy(key, priv->params.toeplitz_hash_key,
 700                        sizeof(priv->params.toeplitz_hash_key));
 701
 702         if (hfunc)
 703                 *hfunc = priv->params.rss_hfunc;
 704
 705         return 0;
 706 }
 707
 708 static void mlx5e_modify_tirs_hash(struct mlx5e_priv *priv, void *in, int inlen)
 709 {
 710         struct mlx5_core_dev *mdev = priv->mdev;
 711         void *tirc = MLX5_ADDR_OF(modify_tir_in, in, ctx);
 712         int i;
 713
 714         MLX5_SET(modify_tir_in, in, bitmask.hash, 1);
 715         mlx5e_build_tir_ctx_hash(tirc, priv);
 716
 717         for (i = 0; i < MLX5E_NUM_TT; i++)
 718                 if (IS_HASHING_TT(i))
 719                         mlx5_core_modify_tir(mdev, priv->tirn[i], in, inlen);
 720 }
 721
 722 static int mlx5e_set_rxfh(struct net_device *dev, const u32 *indir,
 723                           const u8 *key, const u8 hfunc)
 724 {
 725         struct mlx5e_priv *priv = netdev_priv(dev);
 726         int inlen = MLX5_ST_SZ_BYTES(modify_tir_in);
 727         void *in;
 728
 729         if ((hfunc != ETH_RSS_HASH_NO_CHANGE) &&
 730             (hfunc != ETH_RSS_HASH_XOR) &&
 731             (hfunc != ETH_RSS_HASH_TOP))
 732                 return -EINVAL;
 733
 734         in = mlx5_vzalloc(inlen);
 735         if (!in)
 736                 return -ENOMEM;
 737
 738         mutex_lock(&priv->state_lock);
 739
 740         if (indir) {
 741                 memcpy(priv->params.indirection_rqt, indir,
 742                        sizeof(priv->params.indirection_rqt));
 743                 mlx5e_redirect_rqt(priv, MLX5E_INDIRECTION_RQT);
 744         }
 745
 746         if (key)
 747                 memcpy(priv->params.toeplitz_hash_key, key,
 748                        sizeof(priv->params.toeplitz_hash_key));
 749
 750         if (hfunc != ETH_RSS_HASH_NO_CHANGE)
 751                 priv->params.rss_hfunc = hfunc;
 752
 753         mlx5e_modify_tirs_hash(priv, in, inlen);
 754
 755         mutex_unlock(&priv->state_lock);
 756
 757         kvfree(in);
 758
 759         return 0;
 760 }
 761
 762 static int mlx5e_get_rxnfc(struct net_device *netdev,
 763                            struct ethtool_rxnfc *info, u32 *rule_locs)
 764 {
 765         struct mlx5e_priv *priv = netdev_priv(netdev);
 766         int err = 0;
 767
 768         switch (info->cmd) {
 769         case ETHTOOL_GRXRINGS:
 770                 info->data = priv->params.num_channels;
 771                 break;
 772         default:
 773                 err = -EOPNOTSUPP;
 774                 break;
 775         }
 776
 777         return err;
 778 }
 779
 780 static int mlx5e_get_tunable(struct net_device *dev,
 781                              const struct ethtool_tunable *tuna,
 782                              void *data)
 783 {
 784         const struct mlx5e_priv *priv = netdev_priv(dev);
 785         int err = 0;
 786
 787         switch (tuna->id) {
 788         case ETHTOOL_TX_COPYBREAK:
 789                 *(u32 *)data = priv->params.tx_max_inline;
 790                 break;
 791         default:
 792                 err = -EINVAL;
 793                 break;
 794         }
 795
 796         return err;
 797 }
 798
 799 static int mlx5e_set_tunable(struct net_device *dev,
 800                              const struct ethtool_tunable *tuna,
 801                              const void *data)
 802 {
 803         struct mlx5e_priv *priv = netdev_priv(dev);
 804         struct mlx5_core_dev *mdev = priv->mdev;
 805         bool was_opened;
 806         u32 val;
 807         int err = 0;
 808
 809         switch (tuna->id) {
 810         case ETHTOOL_TX_COPYBREAK:
 811                 val = *(u32 *)data;
 812                 if (val > mlx5e_get_max_inline_cap(mdev)) {
 813                         err = -EINVAL;
 814                         break;
 815                 }
 816
 817                 mutex_lock(&priv->state_lock);
 818
 819                 was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state);
 820                 if (was_opened)
 821                         mlx5e_close_locked(dev);
 822
 823                 priv->params.tx_max_inline = val;
 824
 825                 if (was_opened)
 826                         err = mlx5e_open_locked(dev);
 827
 828                 mutex_unlock(&priv->state_lock);
 829                 break;
 830         default:
 831                 err = -EINVAL;
 832                 break;
 833         }
 834
 835         return err;
 836 }
 837
 838 static void mlx5e_get_pauseparam(struct net_device *netdev,
 839                                  struct ethtool_pauseparam *pauseparam)
 840 {
 841         struct mlx5e_priv *priv    = netdev_priv(netdev);
 842         struct mlx5_core_dev *mdev = priv->mdev;
 843         int err;
 844
 845         err = mlx5_query_port_pause(mdev, &pauseparam->rx_pause,
 846                                     &pauseparam->tx_pause);
 847         if (err) {
 848                 netdev_err(netdev, "%s: mlx5_query_port_pause failed:0x%x\n",
 849                            __func__, err);
 850         }
 851 }
 852
 853 static int mlx5e_set_pauseparam(struct net_device *netdev,
 854                                 struct ethtool_pauseparam *pauseparam)
 855 {
 856         struct mlx5e_priv *priv    = netdev_priv(netdev);
 857         struct mlx5_core_dev *mdev = priv->mdev;
 858         int err;
 859
 860         if (pauseparam->autoneg)
 861                 return -EINVAL;
 862
 863         err = mlx5_set_port_pause(mdev,
 864                                   pauseparam->rx_pause ? 1 : 0,
 865                                   pauseparam->tx_pause ? 1 : 0);
 866         if (err) {
 867                 netdev_err(netdev, "%s: mlx5_set_port_pause failed:0x%x\n",
 868                            __func__, err);
 869         }
 870
 871         return err;
 872 }
 873
 874 static int mlx5e_get_ts_info(struct net_device *dev,
 875                              struct ethtool_ts_info *info)
 876 {
 877         struct mlx5e_priv *priv = netdev_priv(dev);
 878         int ret;
 879
 880         ret = ethtool_op_get_ts_info(dev, info);
 881         if (ret)
 882                 return ret;
 883
 884         info->phc_index = priv->tstamp.ptp ?
 885                           ptp_clock_index(priv->tstamp.ptp) : -1;
 886
 887         if (!MLX5_CAP_GEN(priv->mdev, device_frequency_khz))
 888                 return 0;
 889
 890         info->so_timestamping |= SOF_TIMESTAMPING_TX_HARDWARE |
 891                                  SOF_TIMESTAMPING_RX_HARDWARE |
 892                                  SOF_TIMESTAMPING_RAW_HARDWARE;
 893
 894         info->tx_types = (BIT(1) << HWTSTAMP_TX_OFF) |
 895                          (BIT(1) << HWTSTAMP_TX_ON);
 896
 897         info->rx_filters = (BIT(1) << HWTSTAMP_FILTER_NONE) |
 898                            (BIT(1) << HWTSTAMP_FILTER_ALL);
 899
 900         return 0;
 901 }
 902
 903 const struct ethtool_ops mlx5e_ethtool_ops = {
 904         .get_drvinfo       = mlx5e_get_drvinfo,
 905         .get_link          = ethtool_op_get_link,
 906         .get_strings       = mlx5e_get_strings,
 907         .get_sset_count    = mlx5e_get_sset_count,
 908         .get_ethtool_stats = mlx5e_get_ethtool_stats,
 909         .get_ringparam     = mlx5e_get_ringparam,
 910         .set_ringparam     = mlx5e_set_ringparam,
 911         .get_channels      = mlx5e_get_channels,
 912         .set_channels      = mlx5e_set_channels,
 913         .get_coalesce      = mlx5e_get_coalesce,
 914         .set_coalesce      = mlx5e_set_coalesce,
 915         .get_settings      = mlx5e_get_settings,
 916         .set_settings      = mlx5e_set_settings,
 917         .get_rxfh_key_size   = mlx5e_get_rxfh_key_size,
 918         .get_rxfh_indir_size = mlx5e_get_rxfh_indir_size,
 919         .get_rxfh          = mlx5e_get_rxfh,
 920         .set_rxfh          = mlx5e_set_rxfh,
 921         .get_rxnfc         = mlx5e_get_rxnfc,
 922         .get_tunable       = mlx5e_get_tunable,
 923         .set_tunable       = mlx5e_set_tunable,
 924         .get_pauseparam    = mlx5e_get_pauseparam,
 925         .set_pauseparam    = mlx5e_set_pauseparam,
 926         .get_ts_info       = mlx5e_get_ts_info,
 927 };