Pileus Git - ~andy/linux/blob - drivers/net/ethernet/mellanox/mlx4/en_ethtool.c

   1 /*
   2  * Copyright (c) 2007 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
  34 #include <linux/kernel.h>
  35 #include <linux/ethtool.h>
  36 #include <linux/netdevice.h>
  37 #include <linux/mlx4/driver.h>
  38 #include <linux/in.h>
  39 #include <net/ip.h>
  40
  41 #include "mlx4_en.h"
  42 #include "en_port.h"
  43
  44 #define EN_ETHTOOL_QP_ATTACH (1ull << 63)
  45 #define EN_ETHTOOL_SHORT_MASK cpu_to_be16(0xffff)
  46 #define EN_ETHTOOL_WORD_MASK  cpu_to_be32(0xffffffff)
  47
  48 static int mlx4_en_moderation_update(struct mlx4_en_priv *priv)
  49 {
  50         int i;
  51         int err = 0;
  52
  53         for (i = 0; i < priv->tx_ring_num; i++) {
  54                 priv->tx_cq[i].moder_cnt = priv->tx_frames;
  55                 priv->tx_cq[i].moder_time = priv->tx_usecs;
  56                 err = mlx4_en_set_cq_moder(priv, &priv->tx_cq[i]);
  57                 if (err)
  58                         return err;
  59         }
  60
  61         if (priv->adaptive_rx_coal)
  62                 return 0;
  63
  64         for (i = 0; i < priv->rx_ring_num; i++) {
  65                 priv->rx_cq[i].moder_cnt = priv->rx_frames;
  66                 priv->rx_cq[i].moder_time = priv->rx_usecs;
  67                 priv->last_moder_time[i] = MLX4_EN_AUTO_CONF;
  68                 err = mlx4_en_set_cq_moder(priv, &priv->rx_cq[i]);
  69                 if (err)
  70                         return err;
  71         }
  72
  73         return err;
  74 }
  75
  76 static void
  77 mlx4_en_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo)
  78 {
  79         struct mlx4_en_priv *priv = netdev_priv(dev);
  80         struct mlx4_en_dev *mdev = priv->mdev;
  81
  82         strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
  83         strlcpy(drvinfo->version, DRV_VERSION " (" DRV_RELDATE ")",
  84                 sizeof(drvinfo->version));
  85         snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
  86                 "%d.%d.%d",
  87                 (u16) (mdev->dev->caps.fw_ver >> 32),
  88                 (u16) ((mdev->dev->caps.fw_ver >> 16) & 0xffff),
  89                 (u16) (mdev->dev->caps.fw_ver & 0xffff));
  90         strlcpy(drvinfo->bus_info, pci_name(mdev->dev->pdev),
  91                 sizeof(drvinfo->bus_info));
  92         drvinfo->n_stats = 0;
  93         drvinfo->regdump_len = 0;
  94         drvinfo->eedump_len = 0;
  95 }
  96
  97 static const char main_strings[][ETH_GSTRING_LEN] = {
  98         "rx_packets", "tx_packets", "rx_bytes", "tx_bytes", "rx_errors",
  99         "tx_errors", "rx_dropped", "tx_dropped", "multicast", "collisions",
 100         "rx_length_errors", "rx_over_errors", "rx_crc_errors",
 101         "rx_frame_errors", "rx_fifo_errors", "rx_missed_errors",
 102         "tx_aborted_errors", "tx_carrier_errors", "tx_fifo_errors",
 103         "tx_heartbeat_errors", "tx_window_errors",
 104
 105         /* port statistics */
 106         "tso_packets",
 107         "queue_stopped", "wake_queue", "tx_timeout", "rx_alloc_failed",
 108         "rx_csum_good", "rx_csum_none", "tx_chksum_offload",
 109
 110         /* packet statistics */
 111         "broadcast", "rx_prio_0", "rx_prio_1", "rx_prio_2", "rx_prio_3",
 112         "rx_prio_4", "rx_prio_5", "rx_prio_6", "rx_prio_7", "tx_prio_0",
 113         "tx_prio_1", "tx_prio_2", "tx_prio_3", "tx_prio_4", "tx_prio_5",
 114         "tx_prio_6", "tx_prio_7",
 115 };
 116 #define NUM_MAIN_STATS  21
 117 #define NUM_ALL_STATS   (NUM_MAIN_STATS + NUM_PORT_STATS + NUM_PKT_STATS + NUM_PERF_STATS)
 118
 119 static const char mlx4_en_test_names[][ETH_GSTRING_LEN]= {
 120         "Interrupt Test",
 121         "Link Test",
 122         "Speed Test",
 123         "Register Test",
 124         "Loopback Test",
 125 };
 126
 127 static u32 mlx4_en_get_msglevel(struct net_device *dev)
 128 {
 129         return ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable;
 130 }
 131
 132 static void mlx4_en_set_msglevel(struct net_device *dev, u32 val)
 133 {
 134         ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable = val;
 135 }
 136
 137 static void mlx4_en_get_wol(struct net_device *netdev,
 138                             struct ethtool_wolinfo *wol)
 139 {
 140         struct mlx4_en_priv *priv = netdev_priv(netdev);
 141         int err = 0;
 142         u64 config = 0;
 143         u64 mask;
 144
 145         if ((priv->port < 1) || (priv->port > 2)) {
 146                 en_err(priv, "Failed to get WoL information\n");
 147                 return;
 148         }
 149
 150         mask = (priv->port == 1) ? MLX4_DEV_CAP_FLAG_WOL_PORT1 :
 151                 MLX4_DEV_CAP_FLAG_WOL_PORT2;
 152
 153         if (!(priv->mdev->dev->caps.flags & mask)) {
 154                 wol->supported = 0;
 155                 wol->wolopts = 0;
 156                 return;
 157         }
 158
 159         err = mlx4_wol_read(priv->mdev->dev, &config, priv->port);
 160         if (err) {
 161                 en_err(priv, "Failed to get WoL information\n");
 162                 return;
 163         }
 164
 165         if (config & MLX4_EN_WOL_MAGIC)
 166                 wol->supported = WAKE_MAGIC;
 167         else
 168                 wol->supported = 0;
 169
 170         if (config & MLX4_EN_WOL_ENABLED)
 171                 wol->wolopts = WAKE_MAGIC;
 172         else
 173                 wol->wolopts = 0;
 174 }
 175
 176 static int mlx4_en_set_wol(struct net_device *netdev,
 177                             struct ethtool_wolinfo *wol)
 178 {
 179         struct mlx4_en_priv *priv = netdev_priv(netdev);
 180         u64 config = 0;
 181         int err = 0;
 182         u64 mask;
 183
 184         if ((priv->port < 1) || (priv->port > 2))
 185                 return -EOPNOTSUPP;
 186
 187         mask = (priv->port == 1) ? MLX4_DEV_CAP_FLAG_WOL_PORT1 :
 188                 MLX4_DEV_CAP_FLAG_WOL_PORT2;
 189
 190         if (!(priv->mdev->dev->caps.flags & mask))
 191                 return -EOPNOTSUPP;
 192
 193         if (wol->supported & ~WAKE_MAGIC)
 194                 return -EINVAL;
 195
 196         err = mlx4_wol_read(priv->mdev->dev, &config, priv->port);
 197         if (err) {
 198                 en_err(priv, "Failed to get WoL info, unable to modify\n");
 199                 return err;
 200         }
 201
 202         if (wol->wolopts & WAKE_MAGIC) {
 203                 config |= MLX4_EN_WOL_DO_MODIFY | MLX4_EN_WOL_ENABLED |
 204                                 MLX4_EN_WOL_MAGIC;
 205         } else {
 206                 config &= ~(MLX4_EN_WOL_ENABLED | MLX4_EN_WOL_MAGIC);
 207                 config |= MLX4_EN_WOL_DO_MODIFY;
 208         }
 209
 210         err = mlx4_wol_write(priv->mdev->dev, config, priv->port);
 211         if (err)
 212                 en_err(priv, "Failed to set WoL information\n");
 213
 214         return err;
 215 }
 216
 217 static int mlx4_en_get_sset_count(struct net_device *dev, int sset)
 218 {
 219         struct mlx4_en_priv *priv = netdev_priv(dev);
 220         int bit_count = hweight64(priv->stats_bitmap);
 221
 222         switch (sset) {
 223         case ETH_SS_STATS:
 224                 return (priv->stats_bitmap ? bit_count : NUM_ALL_STATS) +
 225                         (priv->tx_ring_num + priv->rx_ring_num) * 2;
 226         case ETH_SS_TEST:
 227                 return MLX4_EN_NUM_SELF_TEST - !(priv->mdev->dev->caps.flags
 228                                         & MLX4_DEV_CAP_FLAG_UC_LOOPBACK) * 2;
 229         default:
 230                 return -EOPNOTSUPP;
 231         }
 232 }
 233
 234 static void mlx4_en_get_ethtool_stats(struct net_device *dev,
 235                 struct ethtool_stats *stats, uint64_t *data)
 236 {
 237         struct mlx4_en_priv *priv = netdev_priv(dev);
 238         int index = 0;
 239         int i, j = 0;
 240
 241         spin_lock_bh(&priv->stats_lock);
 242
 243         if (!(priv->stats_bitmap)) {
 244                 for (i = 0; i < NUM_MAIN_STATS; i++)
 245                         data[index++] =
 246                                 ((unsigned long *) &priv->stats)[i];
 247                 for (i = 0; i < NUM_PORT_STATS; i++)
 248                         data[index++] =
 249                                 ((unsigned long *) &priv->port_stats)[i];
 250                 for (i = 0; i < NUM_PKT_STATS; i++)
 251                         data[index++] =
 252                                 ((unsigned long *) &priv->pkstats)[i];
 253         } else {
 254                 for (i = 0; i < NUM_MAIN_STATS; i++) {
 255                         if ((priv->stats_bitmap >> j) & 1)
 256                                 data[index++] =
 257                                 ((unsigned long *) &priv->stats)[i];
 258                         j++;
 259                 }
 260                 for (i = 0; i < NUM_PORT_STATS; i++) {
 261                         if ((priv->stats_bitmap >> j) & 1)
 262                                 data[index++] =
 263                                 ((unsigned long *) &priv->port_stats)[i];
 264                         j++;
 265                 }
 266         }
 267         for (i = 0; i < priv->tx_ring_num; i++) {
 268                 data[index++] = priv->tx_ring[i].packets;
 269                 data[index++] = priv->tx_ring[i].bytes;
 270         }
 271         for (i = 0; i < priv->rx_ring_num; i++) {
 272                 data[index++] = priv->rx_ring[i].packets;
 273                 data[index++] = priv->rx_ring[i].bytes;
 274         }
 275         spin_unlock_bh(&priv->stats_lock);
 276
 277 }
 278
 279 static void mlx4_en_self_test(struct net_device *dev,
 280                               struct ethtool_test *etest, u64 *buf)
 281 {
 282         mlx4_en_ex_selftest(dev, &etest->flags, buf);
 283 }
 284
 285 static void mlx4_en_get_strings(struct net_device *dev,
 286                                 uint32_t stringset, uint8_t *data)
 287 {
 288         struct mlx4_en_priv *priv = netdev_priv(dev);
 289         int index = 0;
 290         int i;
 291
 292         switch (stringset) {
 293         case ETH_SS_TEST:
 294                 for (i = 0; i < MLX4_EN_NUM_SELF_TEST - 2; i++)
 295                         strcpy(data + i * ETH_GSTRING_LEN, mlx4_en_test_names[i]);
 296                 if (priv->mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_UC_LOOPBACK)
 297                         for (; i < MLX4_EN_NUM_SELF_TEST; i++)
 298                                 strcpy(data + i * ETH_GSTRING_LEN, mlx4_en_test_names[i]);
 299                 break;
 300
 301         case ETH_SS_STATS:
 302                 /* Add main counters */
 303                 if (!priv->stats_bitmap) {
 304                         for (i = 0; i < NUM_MAIN_STATS; i++)
 305                                 strcpy(data + (index++) * ETH_GSTRING_LEN,
 306                                         main_strings[i]);
 307                         for (i = 0; i < NUM_PORT_STATS; i++)
 308                                 strcpy(data + (index++) * ETH_GSTRING_LEN,
 309                                         main_strings[i +
 310                                         NUM_MAIN_STATS]);
 311                         for (i = 0; i < NUM_PKT_STATS; i++)
 312                                 strcpy(data + (index++) * ETH_GSTRING_LEN,
 313                                         main_strings[i +
 314                                         NUM_MAIN_STATS +
 315                                         NUM_PORT_STATS]);
 316                 } else
 317                         for (i = 0; i < NUM_MAIN_STATS + NUM_PORT_STATS; i++) {
 318                                 if ((priv->stats_bitmap >> i) & 1) {
 319                                         strcpy(data +
 320                                                (index++) * ETH_GSTRING_LEN,
 321                                                main_strings[i]);
 322                                 }
 323                                 if (!(priv->stats_bitmap >> i))
 324                                         break;
 325                         }
 326                 for (i = 0; i < priv->tx_ring_num; i++) {
 327                         sprintf(data + (index++) * ETH_GSTRING_LEN,
 328                                 "tx%d_packets", i);
 329                         sprintf(data + (index++) * ETH_GSTRING_LEN,
 330                                 "tx%d_bytes", i);
 331                 }
 332                 for (i = 0; i < priv->rx_ring_num; i++) {
 333                         sprintf(data + (index++) * ETH_GSTRING_LEN,
 334                                 "rx%d_packets", i);
 335                         sprintf(data + (index++) * ETH_GSTRING_LEN,
 336                                 "rx%d_bytes", i);
 337                 }
 338                 break;
 339         }
 340 }
 341
 342 static int mlx4_en_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
 343 {
 344         struct mlx4_en_priv *priv = netdev_priv(dev);
 345         int trans_type;
 346
 347         cmd->autoneg = AUTONEG_DISABLE;
 348         cmd->supported = SUPPORTED_10000baseT_Full;
 349         cmd->advertising = ADVERTISED_10000baseT_Full;
 350
 351         if (mlx4_en_QUERY_PORT(priv->mdev, priv->port))
 352                 return -ENOMEM;
 353
 354         trans_type = priv->port_state.transciver;
 355         if (netif_carrier_ok(dev)) {
 356                 ethtool_cmd_speed_set(cmd, priv->port_state.link_speed);
 357                 cmd->duplex = DUPLEX_FULL;
 358         } else {
 359                 ethtool_cmd_speed_set(cmd, -1);
 360                 cmd->duplex = -1;
 361         }
 362
 363         if (trans_type > 0 && trans_type <= 0xC) {
 364                 cmd->port = PORT_FIBRE;
 365                 cmd->transceiver = XCVR_EXTERNAL;
 366                 cmd->supported |= SUPPORTED_FIBRE;
 367                 cmd->advertising |= ADVERTISED_FIBRE;
 368         } else if (trans_type == 0x80 || trans_type == 0) {
 369                 cmd->port = PORT_TP;
 370                 cmd->transceiver = XCVR_INTERNAL;
 371                 cmd->supported |= SUPPORTED_TP;
 372                 cmd->advertising |= ADVERTISED_TP;
 373         } else  {
 374                 cmd->port = -1;
 375                 cmd->transceiver = -1;
 376         }
 377         return 0;
 378 }
 379
 380 static int mlx4_en_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
 381 {
 382         if ((cmd->autoneg == AUTONEG_ENABLE) ||
 383             (ethtool_cmd_speed(cmd) != SPEED_10000) ||
 384             (cmd->duplex != DUPLEX_FULL))
 385                 return -EINVAL;
 386
 387         /* Nothing to change */
 388         return 0;
 389 }
 390
 391 static int mlx4_en_get_coalesce(struct net_device *dev,
 392                               struct ethtool_coalesce *coal)
 393 {
 394         struct mlx4_en_priv *priv = netdev_priv(dev);
 395
 396         coal->tx_coalesce_usecs = priv->tx_usecs;
 397         coal->tx_max_coalesced_frames = priv->tx_frames;
 398         coal->rx_coalesce_usecs = priv->rx_usecs;
 399         coal->rx_max_coalesced_frames = priv->rx_frames;
 400
 401         coal->pkt_rate_low = priv->pkt_rate_low;
 402         coal->rx_coalesce_usecs_low = priv->rx_usecs_low;
 403         coal->pkt_rate_high = priv->pkt_rate_high;
 404         coal->rx_coalesce_usecs_high = priv->rx_usecs_high;
 405         coal->rate_sample_interval = priv->sample_interval;
 406         coal->use_adaptive_rx_coalesce = priv->adaptive_rx_coal;
 407         return 0;
 408 }
 409
 410 static int mlx4_en_set_coalesce(struct net_device *dev,
 411                               struct ethtool_coalesce *coal)
 412 {
 413         struct mlx4_en_priv *priv = netdev_priv(dev);
 414
 415         priv->rx_frames = (coal->rx_max_coalesced_frames ==
 416                            MLX4_EN_AUTO_CONF) ?
 417                                 MLX4_EN_RX_COAL_TARGET :
 418                                 coal->rx_max_coalesced_frames;
 419         priv->rx_usecs = (coal->rx_coalesce_usecs ==
 420                           MLX4_EN_AUTO_CONF) ?
 421                                 MLX4_EN_RX_COAL_TIME :
 422                                 coal->rx_coalesce_usecs;
 423
 424         /* Setting TX coalescing parameters */
 425         if (coal->tx_coalesce_usecs != priv->tx_usecs ||
 426             coal->tx_max_coalesced_frames != priv->tx_frames) {
 427                 priv->tx_usecs = coal->tx_coalesce_usecs;
 428                 priv->tx_frames = coal->tx_max_coalesced_frames;
 429         }
 430
 431         /* Set adaptive coalescing params */
 432         priv->pkt_rate_low = coal->pkt_rate_low;
 433         priv->rx_usecs_low = coal->rx_coalesce_usecs_low;
 434         priv->pkt_rate_high = coal->pkt_rate_high;
 435         priv->rx_usecs_high = coal->rx_coalesce_usecs_high;
 436         priv->sample_interval = coal->rate_sample_interval;
 437         priv->adaptive_rx_coal = coal->use_adaptive_rx_coalesce;
 438
 439         return mlx4_en_moderation_update(priv);
 440 }
 441
 442 static int mlx4_en_set_pauseparam(struct net_device *dev,
 443                                 struct ethtool_pauseparam *pause)
 444 {
 445         struct mlx4_en_priv *priv = netdev_priv(dev);
 446         struct mlx4_en_dev *mdev = priv->mdev;
 447         int err;
 448
 449         priv->prof->tx_pause = pause->tx_pause != 0;
 450         priv->prof->rx_pause = pause->rx_pause != 0;
 451         err = mlx4_SET_PORT_general(mdev->dev, priv->port,
 452                                     priv->rx_skb_size + ETH_FCS_LEN,
 453                                     priv->prof->tx_pause,
 454                                     priv->prof->tx_ppp,
 455                                     priv->prof->rx_pause,
 456                                     priv->prof->rx_ppp);
 457         if (err)
 458                 en_err(priv, "Failed setting pause params\n");
 459
 460         return err;
 461 }
 462
 463 static void mlx4_en_get_pauseparam(struct net_device *dev,
 464                                  struct ethtool_pauseparam *pause)
 465 {
 466         struct mlx4_en_priv *priv = netdev_priv(dev);
 467
 468         pause->tx_pause = priv->prof->tx_pause;
 469         pause->rx_pause = priv->prof->rx_pause;
 470 }
 471
 472 static int mlx4_en_set_ringparam(struct net_device *dev,
 473                                  struct ethtool_ringparam *param)
 474 {
 475         struct mlx4_en_priv *priv = netdev_priv(dev);
 476         struct mlx4_en_dev *mdev = priv->mdev;
 477         u32 rx_size, tx_size;
 478         int port_up = 0;
 479         int err = 0;
 480
 481         if (param->rx_jumbo_pending || param->rx_mini_pending)
 482                 return -EINVAL;
 483
 484         rx_size = roundup_pow_of_two(param->rx_pending);
 485         rx_size = max_t(u32, rx_size, MLX4_EN_MIN_RX_SIZE);
 486         rx_size = min_t(u32, rx_size, MLX4_EN_MAX_RX_SIZE);
 487         tx_size = roundup_pow_of_two(param->tx_pending);
 488         tx_size = max_t(u32, tx_size, MLX4_EN_MIN_TX_SIZE);
 489         tx_size = min_t(u32, tx_size, MLX4_EN_MAX_TX_SIZE);
 490
 491         if (rx_size == (priv->port_up ? priv->rx_ring[0].actual_size :
 492                                         priv->rx_ring[0].size) &&
 493             tx_size == priv->tx_ring[0].size)
 494                 return 0;
 495
 496         mutex_lock(&mdev->state_lock);
 497         if (priv->port_up) {
 498                 port_up = 1;
 499                 mlx4_en_stop_port(dev, 1);
 500         }
 501
 502         mlx4_en_free_resources(priv);
 503
 504         priv->prof->tx_ring_size = tx_size;
 505         priv->prof->rx_ring_size = rx_size;
 506
 507         err = mlx4_en_alloc_resources(priv);
 508         if (err) {
 509                 en_err(priv, "Failed reallocating port resources\n");
 510                 goto out;
 511         }
 512         if (port_up) {
 513                 err = mlx4_en_start_port(dev);
 514                 if (err)
 515                         en_err(priv, "Failed starting port\n");
 516         }
 517
 518         err = mlx4_en_moderation_update(priv);
 519
 520 out:
 521         mutex_unlock(&mdev->state_lock);
 522         return err;
 523 }
 524
 525 static void mlx4_en_get_ringparam(struct net_device *dev,
 526                                   struct ethtool_ringparam *param)
 527 {
 528         struct mlx4_en_priv *priv = netdev_priv(dev);
 529
 530         memset(param, 0, sizeof(*param));
 531         param->rx_max_pending = MLX4_EN_MAX_RX_SIZE;
 532         param->tx_max_pending = MLX4_EN_MAX_TX_SIZE;
 533         param->rx_pending = priv->port_up ?
 534                 priv->rx_ring[0].actual_size : priv->rx_ring[0].size;
 535         param->tx_pending = priv->tx_ring[0].size;
 536 }
 537
 538 static u32 mlx4_en_get_rxfh_indir_size(struct net_device *dev)
 539 {
 540         struct mlx4_en_priv *priv = netdev_priv(dev);
 541
 542         return priv->rx_ring_num;
 543 }
 544
 545 static int mlx4_en_get_rxfh_indir(struct net_device *dev, u32 *ring_index)
 546 {
 547         struct mlx4_en_priv *priv = netdev_priv(dev);
 548         struct mlx4_en_rss_map *rss_map = &priv->rss_map;
 549         int rss_rings;
 550         size_t n = priv->rx_ring_num;
 551         int err = 0;
 552
 553         rss_rings = priv->prof->rss_rings ?: priv->rx_ring_num;
 554
 555         while (n--) {
 556                 ring_index[n] = rss_map->qps[n % rss_rings].qpn -
 557                         rss_map->base_qpn;
 558         }
 559
 560         return err;
 561 }
 562
 563 static int mlx4_en_set_rxfh_indir(struct net_device *dev,
 564                 const u32 *ring_index)
 565 {
 566         struct mlx4_en_priv *priv = netdev_priv(dev);
 567         struct mlx4_en_dev *mdev = priv->mdev;
 568         int port_up = 0;
 569         int err = 0;
 570         int i;
 571         int rss_rings = 0;
 572
 573         /* Calculate RSS table size and make sure flows are spread evenly
 574          * between rings
 575          */
 576         for (i = 0; i < priv->rx_ring_num; i++) {
 577                 if (i > 0 && !ring_index[i] && !rss_rings)
 578                         rss_rings = i;
 579
 580                 if (ring_index[i] != (i % (rss_rings ?: priv->rx_ring_num)))
 581                         return -EINVAL;
 582         }
 583
 584         if (!rss_rings)
 585                 rss_rings = priv->rx_ring_num;
 586
 587         /* RSS table size must be an order of 2 */
 588         if (!is_power_of_2(rss_rings))
 589                 return -EINVAL;
 590
 591         mutex_lock(&mdev->state_lock);
 592         if (priv->port_up) {
 593                 port_up = 1;
 594                 mlx4_en_stop_port(dev, 1);
 595         }
 596
 597         priv->prof->rss_rings = rss_rings;
 598
 599         if (port_up) {
 600                 err = mlx4_en_start_port(dev);
 601                 if (err)
 602                         en_err(priv, "Failed starting port\n");
 603         }
 604
 605         mutex_unlock(&mdev->state_lock);
 606         return err;
 607 }
 608
 609 #define all_zeros_or_all_ones(field)            \
 610         ((field) == 0 || (field) == (__force typeof(field))-1)
 611
 612 static int mlx4_en_validate_flow(struct net_device *dev,
 613                                  struct ethtool_rxnfc *cmd)
 614 {
 615         struct ethtool_usrip4_spec *l3_mask;
 616         struct ethtool_tcpip4_spec *l4_mask;
 617         struct ethhdr *eth_mask;
 618
 619         if (cmd->fs.location >= MAX_NUM_OF_FS_RULES)
 620                 return -EINVAL;
 621
 622         if (cmd->fs.flow_type & FLOW_MAC_EXT) {
 623                 /* dest mac mask must be ff:ff:ff:ff:ff:ff */
 624                 if (!is_broadcast_ether_addr(cmd->fs.m_ext.h_dest))
 625                         return -EINVAL;
 626         }
 627
 628         switch (cmd->fs.flow_type & ~(FLOW_EXT | FLOW_MAC_EXT)) {
 629         case TCP_V4_FLOW:
 630         case UDP_V4_FLOW:
 631                 if (cmd->fs.m_u.tcp_ip4_spec.tos)
 632                         return -EINVAL;
 633                 l4_mask = &cmd->fs.m_u.tcp_ip4_spec;
 634                 /* don't allow mask which isn't all 0 or 1 */
 635                 if (!all_zeros_or_all_ones(l4_mask->ip4src) ||
 636                     !all_zeros_or_all_ones(l4_mask->ip4dst) ||
 637                     !all_zeros_or_all_ones(l4_mask->psrc) ||
 638                     !all_zeros_or_all_ones(l4_mask->pdst))
 639                         return -EINVAL;
 640                 break;
 641         case IP_USER_FLOW:
 642                 l3_mask = &cmd->fs.m_u.usr_ip4_spec;
 643                 if (l3_mask->l4_4_bytes || l3_mask->tos || l3_mask->proto ||
 644                     cmd->fs.h_u.usr_ip4_spec.ip_ver != ETH_RX_NFC_IP4 ||
 645                     (!l3_mask->ip4src && !l3_mask->ip4dst) ||
 646                     !all_zeros_or_all_ones(l3_mask->ip4src) ||
 647                     !all_zeros_or_all_ones(l3_mask->ip4dst))
 648                         return -EINVAL;
 649                 break;
 650         case ETHER_FLOW:
 651                 eth_mask = &cmd->fs.m_u.ether_spec;
 652                 /* source mac mask must not be set */
 653                 if (!is_zero_ether_addr(eth_mask->h_source))
 654                         return -EINVAL;
 655
 656                 /* dest mac mask must be ff:ff:ff:ff:ff:ff */
 657                 if (!is_broadcast_ether_addr(eth_mask->h_dest))
 658                         return -EINVAL;
 659
 660                 if (!all_zeros_or_all_ones(eth_mask->h_proto))
 661                         return -EINVAL;
 662                 break;
 663         default:
 664                 return -EINVAL;
 665         }
 666
 667         if ((cmd->fs.flow_type & FLOW_EXT)) {
 668                 if (cmd->fs.m_ext.vlan_etype ||
 669                     !((cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK)) ==
 670                       0 ||
 671                       (cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK)) ==
 672                       cpu_to_be16(VLAN_VID_MASK)))
 673                         return -EINVAL;
 674
 675                 if (cmd->fs.m_ext.vlan_tci) {
 676                         if (be16_to_cpu(cmd->fs.h_ext.vlan_tci) >= VLAN_N_VID)
 677                                 return -EINVAL;
 678
 679                 }
 680         }
 681
 682         return 0;
 683 }
 684
 685 static int mlx4_en_ethtool_add_mac_rule(struct ethtool_rxnfc *cmd,
 686                                         struct list_head *rule_list_h,
 687                                         struct mlx4_spec_list *spec_l2,
 688                                         unsigned char *mac)
 689 {
 690         int err = 0;
 691         __be64 mac_msk = cpu_to_be64(MLX4_MAC_MASK << 16);
 692
 693         spec_l2->id = MLX4_NET_TRANS_RULE_ID_ETH;
 694         memcpy(spec_l2->eth.dst_mac_msk, &mac_msk, ETH_ALEN);
 695         memcpy(spec_l2->eth.dst_mac, mac, ETH_ALEN);
 696
 697         if ((cmd->fs.flow_type & FLOW_EXT) &&
 698             (cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK))) {
 699                 spec_l2->eth.vlan_id = cmd->fs.h_ext.vlan_tci;
 700                 spec_l2->eth.vlan_id_msk = cpu_to_be16(VLAN_VID_MASK);
 701         }
 702
 703         list_add_tail(&spec_l2->list, rule_list_h);
 704
 705         return err;
 706 }
 707
 708 static int mlx4_en_ethtool_add_mac_rule_by_ipv4(struct mlx4_en_priv *priv,
 709                                                 struct ethtool_rxnfc *cmd,
 710                                                 struct list_head *rule_list_h,
 711                                                 struct mlx4_spec_list *spec_l2,
 712                                                 __be32 ipv4_dst)
 713 {
 714 #ifdef CONFIG_INET
 715         unsigned char mac[ETH_ALEN];
 716
 717         if (!ipv4_is_multicast(ipv4_dst)) {
 718                 if (cmd->fs.flow_type & FLOW_MAC_EXT)
 719                         memcpy(&mac, cmd->fs.h_ext.h_dest, ETH_ALEN);
 720                 else
 721                         memcpy(&mac, priv->dev->dev_addr, ETH_ALEN);
 722         } else {
 723                 ip_eth_mc_map(ipv4_dst, mac);
 724         }
 725
 726         return mlx4_en_ethtool_add_mac_rule(cmd, rule_list_h, spec_l2, &mac[0]);
 727 #else
 728         return -EINVAL;
 729 #endif
 730 }
 731
 732 static int add_ip_rule(struct mlx4_en_priv *priv,
 733                        struct ethtool_rxnfc *cmd,
 734                        struct list_head *list_h)
 735 {
 736         int err;
 737         struct mlx4_spec_list *spec_l2 = NULL;
 738         struct mlx4_spec_list *spec_l3 = NULL;
 739         struct ethtool_usrip4_spec *l3_mask = &cmd->fs.m_u.usr_ip4_spec;
 740
 741         spec_l3 = kzalloc(sizeof(*spec_l3), GFP_KERNEL);
 742         spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL);
 743         if (!spec_l2 || !spec_l3) {
 744                 err = -ENOMEM;
 745                 goto free_spec;
 746         }
 747
 748         err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h, spec_l2,
 749                                                    cmd->fs.h_u.
 750                                                    usr_ip4_spec.ip4dst);
 751         if (err)
 752                 goto free_spec;
 753         spec_l3->id = MLX4_NET_TRANS_RULE_ID_IPV4;
 754         spec_l3->ipv4.src_ip = cmd->fs.h_u.usr_ip4_spec.ip4src;
 755         if (l3_mask->ip4src)
 756                 spec_l3->ipv4.src_ip_msk = EN_ETHTOOL_WORD_MASK;
 757         spec_l3->ipv4.dst_ip = cmd->fs.h_u.usr_ip4_spec.ip4dst;
 758         if (l3_mask->ip4dst)
 759                 spec_l3->ipv4.dst_ip_msk = EN_ETHTOOL_WORD_MASK;
 760         list_add_tail(&spec_l3->list, list_h);
 761
 762         return 0;
 763
 764 free_spec:
 765         kfree(spec_l2);
 766         kfree(spec_l3);
 767         return err;
 768 }
 769
 770 static int add_tcp_udp_rule(struct mlx4_en_priv *priv,
 771                              struct ethtool_rxnfc *cmd,
 772                              struct list_head *list_h, int proto)
 773 {
 774         int err;
 775         struct mlx4_spec_list *spec_l2 = NULL;
 776         struct mlx4_spec_list *spec_l3 = NULL;
 777         struct mlx4_spec_list *spec_l4 = NULL;
 778         struct ethtool_tcpip4_spec *l4_mask = &cmd->fs.m_u.tcp_ip4_spec;
 779
 780         spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL);
 781         spec_l3 = kzalloc(sizeof(*spec_l3), GFP_KERNEL);
 782         spec_l4 = kzalloc(sizeof(*spec_l4), GFP_KERNEL);
 783         if (!spec_l2 || !spec_l3 || !spec_l4) {
 784                 err = -ENOMEM;
 785                 goto free_spec;
 786         }
 787
 788         spec_l3->id = MLX4_NET_TRANS_RULE_ID_IPV4;
 789
 790         if (proto == TCP_V4_FLOW) {
 791                 err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h,
 792                                                            spec_l2,
 793                                                            cmd->fs.h_u.
 794                                                            tcp_ip4_spec.ip4dst);
 795                 if (err)
 796                         goto free_spec;
 797                 spec_l4->id = MLX4_NET_TRANS_RULE_ID_TCP;
 798                 spec_l3->ipv4.src_ip = cmd->fs.h_u.tcp_ip4_spec.ip4src;
 799                 spec_l3->ipv4.dst_ip = cmd->fs.h_u.tcp_ip4_spec.ip4dst;
 800                 spec_l4->tcp_udp.src_port = cmd->fs.h_u.tcp_ip4_spec.psrc;
 801                 spec_l4->tcp_udp.dst_port = cmd->fs.h_u.tcp_ip4_spec.pdst;
 802         } else {
 803                 err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h,
 804                                                            spec_l2,
 805                                                            cmd->fs.h_u.
 806                                                            udp_ip4_spec.ip4dst);
 807                 if (err)
 808                         goto free_spec;
 809                 spec_l4->id = MLX4_NET_TRANS_RULE_ID_UDP;
 810                 spec_l3->ipv4.src_ip = cmd->fs.h_u.udp_ip4_spec.ip4src;
 811                 spec_l3->ipv4.dst_ip = cmd->fs.h_u.udp_ip4_spec.ip4dst;
 812                 spec_l4->tcp_udp.src_port = cmd->fs.h_u.udp_ip4_spec.psrc;
 813                 spec_l4->tcp_udp.dst_port = cmd->fs.h_u.udp_ip4_spec.pdst;
 814         }
 815
 816         if (l4_mask->ip4src)
 817                 spec_l3->ipv4.src_ip_msk = EN_ETHTOOL_WORD_MASK;
 818         if (l4_mask->ip4dst)
 819                 spec_l3->ipv4.dst_ip_msk = EN_ETHTOOL_WORD_MASK;
 820
 821         if (l4_mask->psrc)
 822                 spec_l4->tcp_udp.src_port_msk = EN_ETHTOOL_SHORT_MASK;
 823         if (l4_mask->pdst)
 824                 spec_l4->tcp_udp.dst_port_msk = EN_ETHTOOL_SHORT_MASK;
 825
 826         list_add_tail(&spec_l3->list, list_h);
 827         list_add_tail(&spec_l4->list, list_h);
 828
 829         return 0;
 830
 831 free_spec:
 832         kfree(spec_l2);
 833         kfree(spec_l3);
 834         kfree(spec_l4);
 835         return err;
 836 }
 837
 838 static int mlx4_en_ethtool_to_net_trans_rule(struct net_device *dev,
 839                                              struct ethtool_rxnfc *cmd,
 840                                              struct list_head *rule_list_h)
 841 {
 842         int err;
 843         struct ethhdr *eth_spec;
 844         struct mlx4_spec_list *spec_l2;
 845         struct mlx4_en_priv *priv = netdev_priv(dev);
 846
 847         err = mlx4_en_validate_flow(dev, cmd);
 848         if (err)
 849                 return err;
 850
 851         switch (cmd->fs.flow_type & ~(FLOW_EXT | FLOW_MAC_EXT)) {
 852         case ETHER_FLOW:
 853                 spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL);
 854                 if (!spec_l2)
 855                         return -ENOMEM;
 856
 857                 eth_spec = &cmd->fs.h_u.ether_spec;
 858                 mlx4_en_ethtool_add_mac_rule(cmd, rule_list_h, spec_l2,
 859                                              &eth_spec->h_dest[0]);
 860                 spec_l2->eth.ether_type = eth_spec->h_proto;
 861                 if (eth_spec->h_proto)
 862                         spec_l2->eth.ether_type_enable = 1;
 863                 break;
 864         case IP_USER_FLOW:
 865                 err = add_ip_rule(priv, cmd, rule_list_h);
 866                 break;
 867         case TCP_V4_FLOW:
 868                 err = add_tcp_udp_rule(priv, cmd, rule_list_h, TCP_V4_FLOW);
 869                 break;
 870         case UDP_V4_FLOW:
 871                 err = add_tcp_udp_rule(priv, cmd, rule_list_h, UDP_V4_FLOW);
 872                 break;
 873         }
 874
 875         return err;
 876 }
 877
 878 static int mlx4_en_flow_replace(struct net_device *dev,
 879                                 struct ethtool_rxnfc *cmd)
 880 {
 881         int err;
 882         struct mlx4_en_priv *priv = netdev_priv(dev);
 883         struct ethtool_flow_id *loc_rule;
 884         struct mlx4_spec_list *spec, *tmp_spec;
 885         u32 qpn;
 886         u64 reg_id;
 887
 888         struct mlx4_net_trans_rule rule = {
 889                 .queue_mode = MLX4_NET_TRANS_Q_FIFO,
 890                 .exclusive = 0,
 891                 .allow_loopback = 1,
 892                 .promisc_mode = MLX4_FS_REGULAR,
 893         };
 894
 895         rule.port = priv->port;
 896         rule.priority = MLX4_DOMAIN_ETHTOOL | cmd->fs.location;
 897         INIT_LIST_HEAD(&rule.list);
 898
 899         /* Allow direct QP attaches if the EN_ETHTOOL_QP_ATTACH flag is set */
 900         if (cmd->fs.ring_cookie == RX_CLS_FLOW_DISC)
 901                 qpn = priv->drop_qp.qpn;
 902         else if (cmd->fs.ring_cookie & EN_ETHTOOL_QP_ATTACH) {
 903                 qpn = cmd->fs.ring_cookie & (EN_ETHTOOL_QP_ATTACH - 1);
 904         } else {
 905                 if (cmd->fs.ring_cookie >= priv->rx_ring_num) {
 906                         en_warn(priv, "rxnfc: RX ring (%llu) doesn't exist.\n",
 907                                 cmd->fs.ring_cookie);
 908                         return -EINVAL;
 909                 }
 910                 qpn = priv->rss_map.qps[cmd->fs.ring_cookie].qpn;
 911                 if (!qpn) {
 912                         en_warn(priv, "rxnfc: RX ring (%llu) is inactive.\n",
 913                                 cmd->fs.ring_cookie);
 914                         return -EINVAL;
 915                 }
 916         }
 917         rule.qpn = qpn;
 918         err = mlx4_en_ethtool_to_net_trans_rule(dev, cmd, &rule.list);
 919         if (err)
 920                 goto out_free_list;
 921
 922         loc_rule = &priv->ethtool_rules[cmd->fs.location];
 923         if (loc_rule->id) {
 924                 err = mlx4_flow_detach(priv->mdev->dev, loc_rule->id);
 925                 if (err) {
 926                         en_err(priv, "Fail to detach network rule at location %d. registration id = %llx\n",
 927                                cmd->fs.location, loc_rule->id);
 928                         goto out_free_list;
 929                 }
 930                 loc_rule->id = 0;
 931                 memset(&loc_rule->flow_spec, 0,
 932                        sizeof(struct ethtool_rx_flow_spec));
 933                 list_del(&loc_rule->list);
 934         }
 935         err = mlx4_flow_attach(priv->mdev->dev, &rule, &reg_id);
 936         if (err) {
 937                 en_err(priv, "Fail to attach network rule at location %d.\n",
 938                        cmd->fs.location);
 939                 goto out_free_list;
 940         }
 941         loc_rule->id = reg_id;
 942         memcpy(&loc_rule->flow_spec, &cmd->fs,
 943                sizeof(struct ethtool_rx_flow_spec));
 944         list_add_tail(&loc_rule->list, &priv->ethtool_list);
 945
 946 out_free_list:
 947         list_for_each_entry_safe(spec, tmp_spec, &rule.list, list) {
 948                 list_del(&spec->list);
 949                 kfree(spec);
 950         }
 951         return err;
 952 }
 953
 954 static int mlx4_en_flow_detach(struct net_device *dev,
 955                                struct ethtool_rxnfc *cmd)
 956 {
 957         int err = 0;
 958         struct ethtool_flow_id *rule;
 959         struct mlx4_en_priv *priv = netdev_priv(dev);
 960
 961         if (cmd->fs.location >= MAX_NUM_OF_FS_RULES)
 962                 return -EINVAL;
 963
 964         rule = &priv->ethtool_rules[cmd->fs.location];
 965         if (!rule->id) {
 966                 err =  -ENOENT;
 967                 goto out;
 968         }
 969
 970         err = mlx4_flow_detach(priv->mdev->dev, rule->id);
 971         if (err) {
 972                 en_err(priv, "Fail to detach network rule at location %d. registration id = 0x%llx\n",
 973                        cmd->fs.location, rule->id);
 974                 goto out;
 975         }
 976         rule->id = 0;
 977         memset(&rule->flow_spec, 0, sizeof(struct ethtool_rx_flow_spec));
 978         list_del(&rule->list);
 979 out:
 980         return err;
 981
 982 }
 983
 984 static int mlx4_en_get_flow(struct net_device *dev, struct ethtool_rxnfc *cmd,
 985                             int loc)
 986 {
 987         int err = 0;
 988         struct ethtool_flow_id *rule;
 989         struct mlx4_en_priv *priv = netdev_priv(dev);
 990
 991         if (loc < 0 || loc >= MAX_NUM_OF_FS_RULES)
 992                 return -EINVAL;
 993
 994         rule = &priv->ethtool_rules[loc];
 995         if (rule->id)
 996                 memcpy(&cmd->fs, &rule->flow_spec,
 997                        sizeof(struct ethtool_rx_flow_spec));
 998         else
 999                 err = -ENOENT;
1000
1001         return err;
1002 }
1003
1004 static int mlx4_en_get_num_flows(struct mlx4_en_priv *priv)
1005 {
1006
1007         int i, res = 0;
1008         for (i = 0; i < MAX_NUM_OF_FS_RULES; i++) {
1009                 if (priv->ethtool_rules[i].id)
1010                         res++;
1011         }
1012         return res;
1013
1014 }
1015
1016 static int mlx4_en_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
1017                              u32 *rule_locs)
1018 {
1019         struct mlx4_en_priv *priv = netdev_priv(dev);
1020         struct mlx4_en_dev *mdev = priv->mdev;
1021         int err = 0;
1022         int i = 0, priority = 0;
1023
1024         if ((cmd->cmd == ETHTOOL_GRXCLSRLCNT ||
1025              cmd->cmd == ETHTOOL_GRXCLSRULE ||
1026              cmd->cmd == ETHTOOL_GRXCLSRLALL) &&
1027             (mdev->dev->caps.steering_mode !=
1028              MLX4_STEERING_MODE_DEVICE_MANAGED || !priv->port_up))
1029                 return -EINVAL;
1030
1031         switch (cmd->cmd) {
1032         case ETHTOOL_GRXRINGS:
1033                 cmd->data = priv->rx_ring_num;
1034                 break;
1035         case ETHTOOL_GRXCLSRLCNT:
1036                 cmd->rule_cnt = mlx4_en_get_num_flows(priv);
1037                 break;
1038         case ETHTOOL_GRXCLSRULE:
1039                 err = mlx4_en_get_flow(dev, cmd, cmd->fs.location);
1040                 break;
1041         case ETHTOOL_GRXCLSRLALL:
1042                 while ((!err || err == -ENOENT) && priority < cmd->rule_cnt) {
1043                         err = mlx4_en_get_flow(dev, cmd, i);
1044                         if (!err)
1045                                 rule_locs[priority++] = i;
1046                         i++;
1047                 }
1048                 err = 0;
1049                 break;
1050         default:
1051                 err = -EOPNOTSUPP;
1052                 break;
1053         }
1054
1055         return err;
1056 }
1057
1058 static int mlx4_en_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
1059 {
1060         int err = 0;
1061         struct mlx4_en_priv *priv = netdev_priv(dev);
1062         struct mlx4_en_dev *mdev = priv->mdev;
1063
1064         if (mdev->dev->caps.steering_mode !=
1065             MLX4_STEERING_MODE_DEVICE_MANAGED || !priv->port_up)
1066                 return -EINVAL;
1067
1068         switch (cmd->cmd) {
1069         case ETHTOOL_SRXCLSRLINS:
1070                 err = mlx4_en_flow_replace(dev, cmd);
1071                 break;
1072         case ETHTOOL_SRXCLSRLDEL:
1073                 err = mlx4_en_flow_detach(dev, cmd);
1074                 break;
1075         default:
1076                 en_warn(priv, "Unsupported ethtool command. (%d)\n", cmd->cmd);
1077                 return -EINVAL;
1078         }
1079
1080         return err;
1081 }
1082
1083 static void mlx4_en_get_channels(struct net_device *dev,
1084                                  struct ethtool_channels *channel)
1085 {
1086         struct mlx4_en_priv *priv = netdev_priv(dev);
1087
1088         memset(channel, 0, sizeof(*channel));
1089
1090         channel->max_rx = MAX_RX_RINGS;
1091         channel->max_tx = MLX4_EN_MAX_TX_RING_P_UP;
1092
1093         channel->rx_count = priv->rx_ring_num;
1094         channel->tx_count = priv->tx_ring_num / MLX4_EN_NUM_UP;
1095 }
1096
1097 static int mlx4_en_set_channels(struct net_device *dev,
1098                                 struct ethtool_channels *channel)
1099 {
1100         struct mlx4_en_priv *priv = netdev_priv(dev);
1101         struct mlx4_en_dev *mdev = priv->mdev;
1102         int port_up;
1103         int err = 0;
1104
1105         if (channel->other_count || channel->combined_count ||
1106             channel->tx_count > MLX4_EN_MAX_TX_RING_P_UP ||
1107             channel->rx_count > MAX_RX_RINGS ||
1108             !channel->tx_count || !channel->rx_count)
1109                 return -EINVAL;
1110
1111         mutex_lock(&mdev->state_lock);
1112         if (priv->port_up) {
1113                 port_up = 1;
1114                 mlx4_en_stop_port(dev, 1);
1115         }
1116
1117         mlx4_en_free_resources(priv);
1118
1119         priv->num_tx_rings_p_up = channel->tx_count;
1120         priv->tx_ring_num = channel->tx_count * MLX4_EN_NUM_UP;
1121         priv->rx_ring_num = channel->rx_count;
1122
1123         err = mlx4_en_alloc_resources(priv);
1124         if (err) {
1125                 en_err(priv, "Failed reallocating port resources\n");
1126                 goto out;
1127         }
1128
1129         netif_set_real_num_tx_queues(dev, priv->tx_ring_num);
1130         netif_set_real_num_rx_queues(dev, priv->rx_ring_num);
1131
1132         mlx4_en_setup_tc(dev, MLX4_EN_NUM_UP);
1133
1134         en_warn(priv, "Using %d TX rings\n", priv->tx_ring_num);
1135         en_warn(priv, "Using %d RX rings\n", priv->rx_ring_num);
1136
1137         if (port_up) {
1138                 err = mlx4_en_start_port(dev);
1139                 if (err)
1140                         en_err(priv, "Failed starting port\n");
1141         }
1142
1143         err = mlx4_en_moderation_update(priv);
1144
1145 out:
1146         mutex_unlock(&mdev->state_lock);
1147         return err;
1148 }
1149
1150 static int mlx4_en_get_ts_info(struct net_device *dev,
1151                                struct ethtool_ts_info *info)
1152 {
1153         struct mlx4_en_priv *priv = netdev_priv(dev);
1154         struct mlx4_en_dev *mdev = priv->mdev;
1155         int ret;
1156
1157         ret = ethtool_op_get_ts_info(dev, info);
1158         if (ret)
1159                 return ret;
1160
1161         if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS) {
1162                 info->so_timestamping |=
1163                         SOF_TIMESTAMPING_TX_HARDWARE |
1164                         SOF_TIMESTAMPING_RX_HARDWARE |
1165                         SOF_TIMESTAMPING_RAW_HARDWARE;
1166
1167                 info->tx_types =
1168                         (1 << HWTSTAMP_TX_OFF) |
1169                         (1 << HWTSTAMP_TX_ON);
1170
1171                 info->rx_filters =
1172                         (1 << HWTSTAMP_FILTER_NONE) |
1173                         (1 << HWTSTAMP_FILTER_ALL);
1174         }
1175
1176         return ret;
1177 }
1178
1179 const struct ethtool_ops mlx4_en_ethtool_ops = {
1180         .get_drvinfo = mlx4_en_get_drvinfo,
1181         .get_settings = mlx4_en_get_settings,
1182         .set_settings = mlx4_en_set_settings,
1183         .get_link = ethtool_op_get_link,
1184         .get_strings = mlx4_en_get_strings,
1185         .get_sset_count = mlx4_en_get_sset_count,
1186         .get_ethtool_stats = mlx4_en_get_ethtool_stats,
1187         .self_test = mlx4_en_self_test,
1188         .get_wol = mlx4_en_get_wol,
1189         .set_wol = mlx4_en_set_wol,
1190         .get_msglevel = mlx4_en_get_msglevel,
1191         .set_msglevel = mlx4_en_set_msglevel,
1192         .get_coalesce = mlx4_en_get_coalesce,
1193         .set_coalesce = mlx4_en_set_coalesce,
1194         .get_pauseparam = mlx4_en_get_pauseparam,
1195         .set_pauseparam = mlx4_en_set_pauseparam,
1196         .get_ringparam = mlx4_en_get_ringparam,
1197         .set_ringparam = mlx4_en_set_ringparam,
1198         .get_rxnfc = mlx4_en_get_rxnfc,
1199         .set_rxnfc = mlx4_en_set_rxnfc,
1200         .get_rxfh_indir_size = mlx4_en_get_rxfh_indir_size,
1201         .get_rxfh_indir = mlx4_en_get_rxfh_indir,
1202         .set_rxfh_indir = mlx4_en_set_rxfh_indir,
1203         .get_channels = mlx4_en_get_channels,
1204         .set_channels = mlx4_en_set_channels,
1205         .get_ts_info = mlx4_en_get_ts_info,
1206 };
1207
1208
1209
1210
1211