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/mlx4/device.h>
  39 #include <linux/in.h>
  40 #include <net/ip.h>
  41
  42 #include "mlx4_en.h"
  43 #include "en_port.h"
  44
  45 #define EN_ETHTOOL_QP_ATTACH (1ull << 63)
  46 #define EN_ETHTOOL_SHORT_MASK cpu_to_be16(0xffff)
  47 #define EN_ETHTOOL_WORD_MASK  cpu_to_be32(0xffffffff)
  48
  49 static int mlx4_en_moderation_update(struct mlx4_en_priv *priv)
  50 {
  51         int i;
  52         int err = 0;
  53
  54         for (i = 0; i < priv->tx_ring_num; i++) {
  55                 priv->tx_cq[i]->moder_cnt = priv->tx_frames;
  56                 priv->tx_cq[i]->moder_time = priv->tx_usecs;
  57                 if (priv->port_up) {
  58                         err = mlx4_en_set_cq_moder(priv, priv->tx_cq[i]);
  59                         if (err)
  60                                 return err;
  61                 }
  62         }
  63
  64         if (priv->adaptive_rx_coal)
  65                 return 0;
  66
  67         for (i = 0; i < priv->rx_ring_num; i++) {
  68                 priv->rx_cq[i]->moder_cnt = priv->rx_frames;
  69                 priv->rx_cq[i]->moder_time = priv->rx_usecs;
  70                 priv->last_moder_time[i] = MLX4_EN_AUTO_CONF;
  71                 if (priv->port_up) {
  72                         err = mlx4_en_set_cq_moder(priv, priv->rx_cq[i]);
  73                         if (err)
  74                                 return err;
  75                 }
  76         }
  77
  78         return err;
  79 }
  80
  81 static void
  82 mlx4_en_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo)
  83 {
  84         struct mlx4_en_priv *priv = netdev_priv(dev);
  85         struct mlx4_en_dev *mdev = priv->mdev;
  86
  87         strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
  88         strlcpy(drvinfo->version, DRV_VERSION " (" DRV_RELDATE ")",
  89                 sizeof(drvinfo->version));
  90         snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
  91                 "%d.%d.%d",
  92                 (u16) (mdev->dev->caps.fw_ver >> 32),
  93                 (u16) ((mdev->dev->caps.fw_ver >> 16) & 0xffff),
  94                 (u16) (mdev->dev->caps.fw_ver & 0xffff));
  95         strlcpy(drvinfo->bus_info, pci_name(mdev->dev->persist->pdev),
  96                 sizeof(drvinfo->bus_info));
  97         drvinfo->n_stats = 0;
  98         drvinfo->regdump_len = 0;
  99         drvinfo->eedump_len = 0;
 100 }
 101
 102 static const char mlx4_en_priv_flags[][ETH_GSTRING_LEN] = {
 103         "blueflame",
 104 };
 105
 106 static const char main_strings[][ETH_GSTRING_LEN] = {
 107         "rx_packets", "tx_packets", "rx_bytes", "tx_bytes", "rx_errors",
 108         "tx_errors", "rx_dropped", "tx_dropped", "multicast", "collisions",
 109         "rx_length_errors", "rx_over_errors", "rx_crc_errors",
 110         "rx_frame_errors", "rx_fifo_errors", "rx_missed_errors",
 111         "tx_aborted_errors", "tx_carrier_errors", "tx_fifo_errors",
 112         "tx_heartbeat_errors", "tx_window_errors",
 113
 114         /* port statistics */
 115         "tso_packets",
 116         "xmit_more",
 117         "queue_stopped", "wake_queue", "tx_timeout", "rx_alloc_failed",
 118         "rx_csum_good", "rx_csum_none", "rx_csum_complete", "tx_chksum_offload",
 119
 120         /* packet statistics */
 121         "broadcast", "rx_prio_0", "rx_prio_1", "rx_prio_2", "rx_prio_3",
 122         "rx_prio_4", "rx_prio_5", "rx_prio_6", "rx_prio_7", "tx_prio_0",
 123         "tx_prio_1", "tx_prio_2", "tx_prio_3", "tx_prio_4", "tx_prio_5",
 124         "tx_prio_6", "tx_prio_7",
 125 };
 126 #define NUM_MAIN_STATS  21
 127 #define NUM_ALL_STATS   (NUM_MAIN_STATS + NUM_PORT_STATS + NUM_PKT_STATS + NUM_PERF_STATS)
 128
 129 static const char mlx4_en_test_names[][ETH_GSTRING_LEN]= {
 130         "Interrupt Test",
 131         "Link Test",
 132         "Speed Test",
 133         "Register Test",
 134         "Loopback Test",
 135 };
 136
 137 static u32 mlx4_en_get_msglevel(struct net_device *dev)
 138 {
 139         return ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable;
 140 }
 141
 142 static void mlx4_en_set_msglevel(struct net_device *dev, u32 val)
 143 {
 144         ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable = val;
 145 }
 146
 147 static void mlx4_en_get_wol(struct net_device *netdev,
 148                             struct ethtool_wolinfo *wol)
 149 {
 150         struct mlx4_en_priv *priv = netdev_priv(netdev);
 151         int err = 0;
 152         u64 config = 0;
 153         u64 mask;
 154
 155         if ((priv->port < 1) || (priv->port > 2)) {
 156                 en_err(priv, "Failed to get WoL information\n");
 157                 return;
 158         }
 159
 160         mask = (priv->port == 1) ? MLX4_DEV_CAP_FLAG_WOL_PORT1 :
 161                 MLX4_DEV_CAP_FLAG_WOL_PORT2;
 162
 163         if (!(priv->mdev->dev->caps.flags & mask)) {
 164                 wol->supported = 0;
 165                 wol->wolopts = 0;
 166                 return;
 167         }
 168
 169         err = mlx4_wol_read(priv->mdev->dev, &config, priv->port);
 170         if (err) {
 171                 en_err(priv, "Failed to get WoL information\n");
 172                 return;
 173         }
 174
 175         if (config & MLX4_EN_WOL_MAGIC)
 176                 wol->supported = WAKE_MAGIC;
 177         else
 178                 wol->supported = 0;
 179
 180         if (config & MLX4_EN_WOL_ENABLED)
 181                 wol->wolopts = WAKE_MAGIC;
 182         else
 183                 wol->wolopts = 0;
 184 }
 185
 186 static int mlx4_en_set_wol(struct net_device *netdev,
 187                             struct ethtool_wolinfo *wol)
 188 {
 189         struct mlx4_en_priv *priv = netdev_priv(netdev);
 190         u64 config = 0;
 191         int err = 0;
 192         u64 mask;
 193
 194         if ((priv->port < 1) || (priv->port > 2))
 195                 return -EOPNOTSUPP;
 196
 197         mask = (priv->port == 1) ? MLX4_DEV_CAP_FLAG_WOL_PORT1 :
 198                 MLX4_DEV_CAP_FLAG_WOL_PORT2;
 199
 200         if (!(priv->mdev->dev->caps.flags & mask))
 201                 return -EOPNOTSUPP;
 202
 203         if (wol->supported & ~WAKE_MAGIC)
 204                 return -EINVAL;
 205
 206         err = mlx4_wol_read(priv->mdev->dev, &config, priv->port);
 207         if (err) {
 208                 en_err(priv, "Failed to get WoL info, unable to modify\n");
 209                 return err;
 210         }
 211
 212         if (wol->wolopts & WAKE_MAGIC) {
 213                 config |= MLX4_EN_WOL_DO_MODIFY | MLX4_EN_WOL_ENABLED |
 214                                 MLX4_EN_WOL_MAGIC;
 215         } else {
 216                 config &= ~(MLX4_EN_WOL_ENABLED | MLX4_EN_WOL_MAGIC);
 217                 config |= MLX4_EN_WOL_DO_MODIFY;
 218         }
 219
 220         err = mlx4_wol_write(priv->mdev->dev, config, priv->port);
 221         if (err)
 222                 en_err(priv, "Failed to set WoL information\n");
 223
 224         return err;
 225 }
 226
 227 static int mlx4_en_get_sset_count(struct net_device *dev, int sset)
 228 {
 229         struct mlx4_en_priv *priv = netdev_priv(dev);
 230         int bit_count = hweight64(priv->stats_bitmap);
 231
 232         switch (sset) {
 233         case ETH_SS_STATS:
 234                 return (priv->stats_bitmap ? bit_count : NUM_ALL_STATS) +
 235                         (priv->tx_ring_num * 2) +
 236 #ifdef CONFIG_NET_RX_BUSY_POLL
 237                         (priv->rx_ring_num * 5);
 238 #else
 239                         (priv->rx_ring_num * 2);
 240 #endif
 241         case ETH_SS_TEST:
 242                 return MLX4_EN_NUM_SELF_TEST - !(priv->mdev->dev->caps.flags
 243                                         & MLX4_DEV_CAP_FLAG_UC_LOOPBACK) * 2;
 244         case ETH_SS_PRIV_FLAGS:
 245                 return ARRAY_SIZE(mlx4_en_priv_flags);
 246         default:
 247                 return -EOPNOTSUPP;
 248         }
 249 }
 250
 251 static void mlx4_en_get_ethtool_stats(struct net_device *dev,
 252                 struct ethtool_stats *stats, uint64_t *data)
 253 {
 254         struct mlx4_en_priv *priv = netdev_priv(dev);
 255         int index = 0;
 256         int i, j = 0;
 257
 258         spin_lock_bh(&priv->stats_lock);
 259
 260         if (!(priv->stats_bitmap)) {
 261                 for (i = 0; i < NUM_MAIN_STATS; i++)
 262                         data[index++] =
 263                                 ((unsigned long *) &priv->stats)[i];
 264                 for (i = 0; i < NUM_PORT_STATS; i++)
 265                         data[index++] =
 266                                 ((unsigned long *) &priv->port_stats)[i];
 267                 for (i = 0; i < NUM_PKT_STATS; i++)
 268                         data[index++] =
 269                                 ((unsigned long *) &priv->pkstats)[i];
 270         } else {
 271                 for (i = 0; i < NUM_MAIN_STATS; i++) {
 272                         if ((priv->stats_bitmap >> j) & 1)
 273                                 data[index++] =
 274                                 ((unsigned long *) &priv->stats)[i];
 275                         j++;
 276                 }
 277                 for (i = 0; i < NUM_PORT_STATS; i++) {
 278                         if ((priv->stats_bitmap >> j) & 1)
 279                                 data[index++] =
 280                                 ((unsigned long *) &priv->port_stats)[i];
 281                         j++;
 282                 }
 283         }
 284         for (i = 0; i < priv->tx_ring_num; i++) {
 285                 data[index++] = priv->tx_ring[i]->packets;
 286                 data[index++] = priv->tx_ring[i]->bytes;
 287         }
 288         for (i = 0; i < priv->rx_ring_num; i++) {
 289                 data[index++] = priv->rx_ring[i]->packets;
 290                 data[index++] = priv->rx_ring[i]->bytes;
 291 #ifdef CONFIG_NET_RX_BUSY_POLL
 292                 data[index++] = priv->rx_ring[i]->yields;
 293                 data[index++] = priv->rx_ring[i]->misses;
 294                 data[index++] = priv->rx_ring[i]->cleaned;
 295 #endif
 296         }
 297         spin_unlock_bh(&priv->stats_lock);
 298
 299 }
 300
 301 static void mlx4_en_self_test(struct net_device *dev,
 302                               struct ethtool_test *etest, u64 *buf)
 303 {
 304         mlx4_en_ex_selftest(dev, &etest->flags, buf);
 305 }
 306
 307 static void mlx4_en_get_strings(struct net_device *dev,
 308                                 uint32_t stringset, uint8_t *data)
 309 {
 310         struct mlx4_en_priv *priv = netdev_priv(dev);
 311         int index = 0;
 312         int i;
 313
 314         switch (stringset) {
 315         case ETH_SS_TEST:
 316                 for (i = 0; i < MLX4_EN_NUM_SELF_TEST - 2; i++)
 317                         strcpy(data + i * ETH_GSTRING_LEN, mlx4_en_test_names[i]);
 318                 if (priv->mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_UC_LOOPBACK)
 319                         for (; i < MLX4_EN_NUM_SELF_TEST; i++)
 320                                 strcpy(data + i * ETH_GSTRING_LEN, mlx4_en_test_names[i]);
 321                 break;
 322
 323         case ETH_SS_STATS:
 324                 /* Add main counters */
 325                 if (!priv->stats_bitmap) {
 326                         for (i = 0; i < NUM_MAIN_STATS; i++)
 327                                 strcpy(data + (index++) * ETH_GSTRING_LEN,
 328                                         main_strings[i]);
 329                         for (i = 0; i < NUM_PORT_STATS; i++)
 330                                 strcpy(data + (index++) * ETH_GSTRING_LEN,
 331                                         main_strings[i +
 332                                         NUM_MAIN_STATS]);
 333                         for (i = 0; i < NUM_PKT_STATS; i++)
 334                                 strcpy(data + (index++) * ETH_GSTRING_LEN,
 335                                         main_strings[i +
 336                                         NUM_MAIN_STATS +
 337                                         NUM_PORT_STATS]);
 338                 } else
 339                         for (i = 0; i < NUM_MAIN_STATS + NUM_PORT_STATS; i++) {
 340                                 if ((priv->stats_bitmap >> i) & 1) {
 341                                         strcpy(data +
 342                                                (index++) * ETH_GSTRING_LEN,
 343                                                main_strings[i]);
 344                                 }
 345                                 if (!(priv->stats_bitmap >> i))
 346                                         break;
 347                         }
 348                 for (i = 0; i < priv->tx_ring_num; i++) {
 349                         sprintf(data + (index++) * ETH_GSTRING_LEN,
 350                                 "tx%d_packets", i);
 351                         sprintf(data + (index++) * ETH_GSTRING_LEN,
 352                                 "tx%d_bytes", i);
 353                 }
 354                 for (i = 0; i < priv->rx_ring_num; i++) {
 355                         sprintf(data + (index++) * ETH_GSTRING_LEN,
 356                                 "rx%d_packets", i);
 357                         sprintf(data + (index++) * ETH_GSTRING_LEN,
 358                                 "rx%d_bytes", i);
 359 #ifdef CONFIG_NET_RX_BUSY_POLL
 360                         sprintf(data + (index++) * ETH_GSTRING_LEN,
 361                                 "rx%d_napi_yield", i);
 362                         sprintf(data + (index++) * ETH_GSTRING_LEN,
 363                                 "rx%d_misses", i);
 364                         sprintf(data + (index++) * ETH_GSTRING_LEN,
 365                                 "rx%d_cleaned", i);
 366 #endif
 367                 }
 368                 break;
 369         case ETH_SS_PRIV_FLAGS:
 370                 for (i = 0; i < ARRAY_SIZE(mlx4_en_priv_flags); i++)
 371                         strcpy(data + i * ETH_GSTRING_LEN,
 372                                mlx4_en_priv_flags[i]);
 373                 break;
 374
 375         }
 376 }
 377
 378 static u32 mlx4_en_autoneg_get(struct net_device *dev)
 379 {
 380         struct mlx4_en_priv *priv = netdev_priv(dev);
 381         struct mlx4_en_dev *mdev = priv->mdev;
 382         u32 autoneg = AUTONEG_DISABLE;
 383
 384         if ((mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ETH_BACKPL_AN_REP) &&
 385             (priv->port_state.flags & MLX4_EN_PORT_ANE))
 386                 autoneg = AUTONEG_ENABLE;
 387
 388         return autoneg;
 389 }
 390
 391 static u32 ptys_get_supported_port(struct mlx4_ptys_reg *ptys_reg)
 392 {
 393         u32 eth_proto = be32_to_cpu(ptys_reg->eth_proto_cap);
 394
 395         if (eth_proto & (MLX4_PROT_MASK(MLX4_10GBASE_T)
 396                          | MLX4_PROT_MASK(MLX4_1000BASE_T)
 397                          | MLX4_PROT_MASK(MLX4_100BASE_TX))) {
 398                         return SUPPORTED_TP;
 399         }
 400
 401         if (eth_proto & (MLX4_PROT_MASK(MLX4_10GBASE_CR)
 402                          | MLX4_PROT_MASK(MLX4_10GBASE_SR)
 403                          | MLX4_PROT_MASK(MLX4_56GBASE_SR4)
 404                          | MLX4_PROT_MASK(MLX4_40GBASE_CR4)
 405                          | MLX4_PROT_MASK(MLX4_40GBASE_SR4)
 406                          | MLX4_PROT_MASK(MLX4_1000BASE_CX_SGMII))) {
 407                         return SUPPORTED_FIBRE;
 408         }
 409
 410         if (eth_proto & (MLX4_PROT_MASK(MLX4_56GBASE_KR4)
 411                          | MLX4_PROT_MASK(MLX4_40GBASE_KR4)
 412                          | MLX4_PROT_MASK(MLX4_20GBASE_KR2)
 413                          | MLX4_PROT_MASK(MLX4_10GBASE_KR)
 414                          | MLX4_PROT_MASK(MLX4_10GBASE_KX4)
 415                          | MLX4_PROT_MASK(MLX4_1000BASE_KX))) {
 416                         return SUPPORTED_Backplane;
 417         }
 418         return 0;
 419 }
 420
 421 static u32 ptys_get_active_port(struct mlx4_ptys_reg *ptys_reg)
 422 {
 423         u32 eth_proto = be32_to_cpu(ptys_reg->eth_proto_oper);
 424
 425         if (!eth_proto) /* link down */
 426                 eth_proto = be32_to_cpu(ptys_reg->eth_proto_cap);
 427
 428         if (eth_proto & (MLX4_PROT_MASK(MLX4_10GBASE_T)
 429                          | MLX4_PROT_MASK(MLX4_1000BASE_T)
 430                          | MLX4_PROT_MASK(MLX4_100BASE_TX))) {
 431                         return PORT_TP;
 432         }
 433
 434         if (eth_proto & (MLX4_PROT_MASK(MLX4_10GBASE_SR)
 435                          | MLX4_PROT_MASK(MLX4_56GBASE_SR4)
 436                          | MLX4_PROT_MASK(MLX4_40GBASE_SR4)
 437                          | MLX4_PROT_MASK(MLX4_1000BASE_CX_SGMII))) {
 438                         return PORT_FIBRE;
 439         }
 440
 441         if (eth_proto & (MLX4_PROT_MASK(MLX4_10GBASE_CR)
 442                          | MLX4_PROT_MASK(MLX4_56GBASE_CR4)
 443                          | MLX4_PROT_MASK(MLX4_40GBASE_CR4))) {
 444                         return PORT_DA;
 445         }
 446
 447         if (eth_proto & (MLX4_PROT_MASK(MLX4_56GBASE_KR4)
 448                          | MLX4_PROT_MASK(MLX4_40GBASE_KR4)
 449                          | MLX4_PROT_MASK(MLX4_20GBASE_KR2)
 450                          | MLX4_PROT_MASK(MLX4_10GBASE_KR)
 451                          | MLX4_PROT_MASK(MLX4_10GBASE_KX4)
 452                          | MLX4_PROT_MASK(MLX4_1000BASE_KX))) {
 453                         return PORT_NONE;
 454         }
 455         return PORT_OTHER;
 456 }
 457
 458 #define MLX4_LINK_MODES_SZ \
 459         (FIELD_SIZEOF(struct mlx4_ptys_reg, eth_proto_cap) * 8)
 460
 461 enum ethtool_report {
 462         SUPPORTED = 0,
 463         ADVERTISED = 1,
 464         SPEED = 2
 465 };
 466
 467 /* Translates mlx4 link mode to equivalent ethtool Link modes/speed */
 468 static u32 ptys2ethtool_map[MLX4_LINK_MODES_SZ][3] = {
 469         [MLX4_100BASE_TX] = {
 470                 SUPPORTED_100baseT_Full,
 471                 ADVERTISED_100baseT_Full,
 472                 SPEED_100
 473                 },
 474
 475         [MLX4_1000BASE_T] = {
 476                 SUPPORTED_1000baseT_Full,
 477                 ADVERTISED_1000baseT_Full,
 478                 SPEED_1000
 479                 },
 480         [MLX4_1000BASE_CX_SGMII] = {
 481                 SUPPORTED_1000baseKX_Full,
 482                 ADVERTISED_1000baseKX_Full,
 483                 SPEED_1000
 484                 },
 485         [MLX4_1000BASE_KX] = {
 486                 SUPPORTED_1000baseKX_Full,
 487                 ADVERTISED_1000baseKX_Full,
 488                 SPEED_1000
 489                 },
 490
 491         [MLX4_10GBASE_T] = {
 492                 SUPPORTED_10000baseT_Full,
 493                 ADVERTISED_10000baseT_Full,
 494                 SPEED_10000
 495                 },
 496         [MLX4_10GBASE_CX4] = {
 497                 SUPPORTED_10000baseKX4_Full,
 498                 ADVERTISED_10000baseKX4_Full,
 499                 SPEED_10000
 500                 },
 501         [MLX4_10GBASE_KX4] = {
 502                 SUPPORTED_10000baseKX4_Full,
 503                 ADVERTISED_10000baseKX4_Full,
 504                 SPEED_10000
 505                 },
 506         [MLX4_10GBASE_KR] = {
 507                 SUPPORTED_10000baseKR_Full,
 508                 ADVERTISED_10000baseKR_Full,
 509                 SPEED_10000
 510                 },
 511         [MLX4_10GBASE_CR] = {
 512                 SUPPORTED_10000baseKR_Full,
 513                 ADVERTISED_10000baseKR_Full,
 514                 SPEED_10000
 515                 },
 516         [MLX4_10GBASE_SR] = {
 517                 SUPPORTED_10000baseKR_Full,
 518                 ADVERTISED_10000baseKR_Full,
 519                 SPEED_10000
 520                 },
 521
 522         [MLX4_20GBASE_KR2] = {
 523                 SUPPORTED_20000baseMLD2_Full | SUPPORTED_20000baseKR2_Full,
 524                 ADVERTISED_20000baseMLD2_Full | ADVERTISED_20000baseKR2_Full,
 525                 SPEED_20000
 526                 },
 527
 528         [MLX4_40GBASE_CR4] = {
 529                 SUPPORTED_40000baseCR4_Full,
 530                 ADVERTISED_40000baseCR4_Full,
 531                 SPEED_40000
 532                 },
 533         [MLX4_40GBASE_KR4] = {
 534                 SUPPORTED_40000baseKR4_Full,
 535                 ADVERTISED_40000baseKR4_Full,
 536                 SPEED_40000
 537                 },
 538         [MLX4_40GBASE_SR4] = {
 539                 SUPPORTED_40000baseSR4_Full,
 540                 ADVERTISED_40000baseSR4_Full,
 541                 SPEED_40000
 542                 },
 543
 544         [MLX4_56GBASE_KR4] = {
 545                 SUPPORTED_56000baseKR4_Full,
 546                 ADVERTISED_56000baseKR4_Full,
 547                 SPEED_56000
 548                 },
 549         [MLX4_56GBASE_CR4] = {
 550                 SUPPORTED_56000baseCR4_Full,
 551                 ADVERTISED_56000baseCR4_Full,
 552                 SPEED_56000
 553                 },
 554         [MLX4_56GBASE_SR4] = {
 555                 SUPPORTED_56000baseSR4_Full,
 556                 ADVERTISED_56000baseSR4_Full,
 557                 SPEED_56000
 558                 },
 559 };
 560
 561 static u32 ptys2ethtool_link_modes(u32 eth_proto, enum ethtool_report report)
 562 {
 563         int i;
 564         u32 link_modes = 0;
 565
 566         for (i = 0; i < MLX4_LINK_MODES_SZ; i++) {
 567                 if (eth_proto & MLX4_PROT_MASK(i))
 568                         link_modes |= ptys2ethtool_map[i][report];
 569         }
 570         return link_modes;
 571 }
 572
 573 static u32 ethtool2ptys_link_modes(u32 link_modes, enum ethtool_report report)
 574 {
 575         int i;
 576         u32 ptys_modes = 0;
 577
 578         for (i = 0; i < MLX4_LINK_MODES_SZ; i++) {
 579                 if (ptys2ethtool_map[i][report] & link_modes)
 580                         ptys_modes |= 1 << i;
 581         }
 582         return ptys_modes;
 583 }
 584
 585 /* Convert actual speed (SPEED_XXX) to ptys link modes */
 586 static u32 speed2ptys_link_modes(u32 speed)
 587 {
 588         int i;
 589         u32 ptys_modes = 0;
 590
 591         for (i = 0; i < MLX4_LINK_MODES_SZ; i++) {
 592                 if (ptys2ethtool_map[i][SPEED] == speed)
 593                         ptys_modes |= 1 << i;
 594         }
 595         return ptys_modes;
 596 }
 597
 598 static int ethtool_get_ptys_settings(struct net_device *dev,
 599                                      struct ethtool_cmd *cmd)
 600 {
 601         struct mlx4_en_priv *priv = netdev_priv(dev);
 602         struct mlx4_ptys_reg ptys_reg;
 603         u32 eth_proto;
 604         int ret;
 605
 606         memset(&ptys_reg, 0, sizeof(ptys_reg));
 607         ptys_reg.local_port = priv->port;
 608         ptys_reg.proto_mask = MLX4_PTYS_EN;
 609         ret = mlx4_ACCESS_PTYS_REG(priv->mdev->dev,
 610                                    MLX4_ACCESS_REG_QUERY, &ptys_reg);
 611         if (ret) {
 612                 en_warn(priv, "Failed to run mlx4_ACCESS_PTYS_REG status(%x)",
 613                         ret);
 614                 return ret;
 615         }
 616         en_dbg(DRV, priv, "ptys_reg.proto_mask       %x\n",
 617                ptys_reg.proto_mask);
 618         en_dbg(DRV, priv, "ptys_reg.eth_proto_cap    %x\n",
 619                be32_to_cpu(ptys_reg.eth_proto_cap));
 620         en_dbg(DRV, priv, "ptys_reg.eth_proto_admin  %x\n",
 621                be32_to_cpu(ptys_reg.eth_proto_admin));
 622         en_dbg(DRV, priv, "ptys_reg.eth_proto_oper   %x\n",
 623                be32_to_cpu(ptys_reg.eth_proto_oper));
 624         en_dbg(DRV, priv, "ptys_reg.eth_proto_lp_adv %x\n",
 625                be32_to_cpu(ptys_reg.eth_proto_lp_adv));
 626
 627         cmd->supported = 0;
 628         cmd->advertising = 0;
 629
 630         cmd->supported |= ptys_get_supported_port(&ptys_reg);
 631
 632         eth_proto = be32_to_cpu(ptys_reg.eth_proto_cap);
 633         cmd->supported |= ptys2ethtool_link_modes(eth_proto, SUPPORTED);
 634
 635         eth_proto = be32_to_cpu(ptys_reg.eth_proto_admin);
 636         cmd->advertising |= ptys2ethtool_link_modes(eth_proto, ADVERTISED);
 637
 638         cmd->supported |= SUPPORTED_Pause | SUPPORTED_Asym_Pause;
 639         cmd->advertising |= (priv->prof->tx_pause) ? ADVERTISED_Pause : 0;
 640
 641         cmd->advertising |= (priv->prof->tx_pause ^ priv->prof->rx_pause) ?
 642                 ADVERTISED_Asym_Pause : 0;
 643
 644         cmd->port = ptys_get_active_port(&ptys_reg);
 645         cmd->transceiver = (SUPPORTED_TP & cmd->supported) ?
 646                 XCVR_EXTERNAL : XCVR_INTERNAL;
 647
 648         if (mlx4_en_autoneg_get(dev)) {
 649                 cmd->supported |= SUPPORTED_Autoneg;
 650                 cmd->advertising |= ADVERTISED_Autoneg;
 651         }
 652
 653         cmd->autoneg = (priv->port_state.flags & MLX4_EN_PORT_ANC) ?
 654                 AUTONEG_ENABLE : AUTONEG_DISABLE;
 655
 656         eth_proto = be32_to_cpu(ptys_reg.eth_proto_lp_adv);
 657         cmd->lp_advertising = ptys2ethtool_link_modes(eth_proto, ADVERTISED);
 658
 659         cmd->lp_advertising |= (priv->port_state.flags & MLX4_EN_PORT_ANC) ?
 660                         ADVERTISED_Autoneg : 0;
 661
 662         cmd->phy_address = 0;
 663         cmd->mdio_support = 0;
 664         cmd->maxtxpkt = 0;
 665         cmd->maxrxpkt = 0;
 666         cmd->eth_tp_mdix = ETH_TP_MDI_INVALID;
 667         cmd->eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
 668
 669         return ret;
 670 }
 671
 672 static void ethtool_get_default_settings(struct net_device *dev,
 673                                          struct ethtool_cmd *cmd)
 674 {
 675         struct mlx4_en_priv *priv = netdev_priv(dev);
 676         int trans_type;
 677
 678         cmd->autoneg = AUTONEG_DISABLE;
 679         cmd->supported = SUPPORTED_10000baseT_Full;
 680         cmd->advertising = ADVERTISED_10000baseT_Full;
 681         trans_type = priv->port_state.transceiver;
 682
 683         if (trans_type > 0 && trans_type <= 0xC) {
 684                 cmd->port = PORT_FIBRE;
 685                 cmd->transceiver = XCVR_EXTERNAL;
 686                 cmd->supported |= SUPPORTED_FIBRE;
 687                 cmd->advertising |= ADVERTISED_FIBRE;
 688         } else if (trans_type == 0x80 || trans_type == 0) {
 689                 cmd->port = PORT_TP;
 690                 cmd->transceiver = XCVR_INTERNAL;
 691                 cmd->supported |= SUPPORTED_TP;
 692                 cmd->advertising |= ADVERTISED_TP;
 693         } else  {
 694                 cmd->port = -1;
 695                 cmd->transceiver = -1;
 696         }
 697 }
 698
 699 static int mlx4_en_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
 700 {
 701         struct mlx4_en_priv *priv = netdev_priv(dev);
 702         int ret = -EINVAL;
 703
 704         if (mlx4_en_QUERY_PORT(priv->mdev, priv->port))
 705                 return -ENOMEM;
 706
 707         en_dbg(DRV, priv, "query port state.flags ANC(%x) ANE(%x)\n",
 708                priv->port_state.flags & MLX4_EN_PORT_ANC,
 709                priv->port_state.flags & MLX4_EN_PORT_ANE);
 710
 711         if (priv->mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ETH_PROT_CTRL)
 712                 ret = ethtool_get_ptys_settings(dev, cmd);
 713         if (ret) /* ETH PROT CRTL is not supported or PTYS CMD failed */
 714                 ethtool_get_default_settings(dev, cmd);
 715
 716         if (netif_carrier_ok(dev)) {
 717                 ethtool_cmd_speed_set(cmd, priv->port_state.link_speed);
 718                 cmd->duplex = DUPLEX_FULL;
 719         } else {
 720                 ethtool_cmd_speed_set(cmd, SPEED_UNKNOWN);
 721                 cmd->duplex = DUPLEX_UNKNOWN;
 722         }
 723         return 0;
 724 }
 725
 726 /* Calculate PTYS admin according ethtool speed (SPEED_XXX) */
 727 static __be32 speed_set_ptys_admin(struct mlx4_en_priv *priv, u32 speed,
 728                                    __be32 proto_cap)
 729 {
 730         __be32 proto_admin = 0;
 731
 732         if (!speed) { /* Speed = 0 ==> Reset Link modes */
 733                 proto_admin = proto_cap;
 734                 en_info(priv, "Speed was set to 0, Reset advertised Link Modes to default (%x)\n",
 735                         be32_to_cpu(proto_cap));
 736         } else {
 737                 u32 ptys_link_modes = speed2ptys_link_modes(speed);
 738
 739                 proto_admin = cpu_to_be32(ptys_link_modes) & proto_cap;
 740                 en_info(priv, "Setting Speed to %d\n", speed);
 741         }
 742         return proto_admin;
 743 }
 744
 745 static int mlx4_en_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
 746 {
 747         struct mlx4_en_priv *priv = netdev_priv(dev);
 748         struct mlx4_ptys_reg ptys_reg;
 749         __be32 proto_admin;
 750         int ret;
 751
 752         u32 ptys_adv = ethtool2ptys_link_modes(cmd->advertising, ADVERTISED);
 753         int speed = ethtool_cmd_speed(cmd);
 754
 755         en_dbg(DRV, priv, "Set Speed=%d adv=0x%x autoneg=%d duplex=%d\n",
 756                speed, cmd->advertising, cmd->autoneg, cmd->duplex);
 757
 758         if (!(priv->mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ETH_PROT_CTRL) ||
 759             (cmd->duplex == DUPLEX_HALF))
 760                 return -EINVAL;
 761
 762         memset(&ptys_reg, 0, sizeof(ptys_reg));
 763         ptys_reg.local_port = priv->port;
 764         ptys_reg.proto_mask = MLX4_PTYS_EN;
 765         ret = mlx4_ACCESS_PTYS_REG(priv->mdev->dev,
 766                                    MLX4_ACCESS_REG_QUERY, &ptys_reg);
 767         if (ret) {
 768                 en_warn(priv, "Failed to QUERY mlx4_ACCESS_PTYS_REG status(%x)\n",
 769                         ret);
 770                 return 0;
 771         }
 772
 773         proto_admin = cmd->autoneg == AUTONEG_ENABLE ?
 774                 cpu_to_be32(ptys_adv) :
 775                 speed_set_ptys_admin(priv, speed,
 776                                      ptys_reg.eth_proto_cap);
 777
 778         proto_admin &= ptys_reg.eth_proto_cap;
 779         if (!proto_admin) {
 780                 en_warn(priv, "Not supported link mode(s) requested, check supported link modes.\n");
 781                 return -EINVAL; /* nothing to change due to bad input */
 782         }
 783
 784         if (proto_admin == ptys_reg.eth_proto_admin)
 785                 return 0; /* Nothing to change */
 786
 787         en_dbg(DRV, priv, "mlx4_ACCESS_PTYS_REG SET: ptys_reg.eth_proto_admin = 0x%x\n",
 788                be32_to_cpu(proto_admin));
 789
 790         ptys_reg.eth_proto_admin = proto_admin;
 791         ret = mlx4_ACCESS_PTYS_REG(priv->mdev->dev, MLX4_ACCESS_REG_WRITE,
 792                                    &ptys_reg);
 793         if (ret) {
 794                 en_warn(priv, "Failed to write mlx4_ACCESS_PTYS_REG eth_proto_admin(0x%x) status(0x%x)",
 795                         be32_to_cpu(ptys_reg.eth_proto_admin), ret);
 796                 return ret;
 797         }
 798
 799         mutex_lock(&priv->mdev->state_lock);
 800         if (priv->port_up) {
 801                 en_warn(priv, "Port link mode changed, restarting port...\n");
 802                 mlx4_en_stop_port(dev, 1);
 803                 if (mlx4_en_start_port(dev))
 804                         en_err(priv, "Failed restarting port %d\n", priv->port);
 805         }
 806         mutex_unlock(&priv->mdev->state_lock);
 807         return 0;
 808 }
 809
 810 static int mlx4_en_get_coalesce(struct net_device *dev,
 811                               struct ethtool_coalesce *coal)
 812 {
 813         struct mlx4_en_priv *priv = netdev_priv(dev);
 814
 815         coal->tx_coalesce_usecs = priv->tx_usecs;
 816         coal->tx_max_coalesced_frames = priv->tx_frames;
 817         coal->tx_max_coalesced_frames_irq = priv->tx_work_limit;
 818
 819         coal->rx_coalesce_usecs = priv->rx_usecs;
 820         coal->rx_max_coalesced_frames = priv->rx_frames;
 821
 822         coal->pkt_rate_low = priv->pkt_rate_low;
 823         coal->rx_coalesce_usecs_low = priv->rx_usecs_low;
 824         coal->pkt_rate_high = priv->pkt_rate_high;
 825         coal->rx_coalesce_usecs_high = priv->rx_usecs_high;
 826         coal->rate_sample_interval = priv->sample_interval;
 827         coal->use_adaptive_rx_coalesce = priv->adaptive_rx_coal;
 828
 829         return 0;
 830 }
 831
 832 static int mlx4_en_set_coalesce(struct net_device *dev,
 833                               struct ethtool_coalesce *coal)
 834 {
 835         struct mlx4_en_priv *priv = netdev_priv(dev);
 836
 837         if (!coal->tx_max_coalesced_frames_irq)
 838                 return -EINVAL;
 839
 840         priv->rx_frames = (coal->rx_max_coalesced_frames ==
 841                            MLX4_EN_AUTO_CONF) ?
 842                                 MLX4_EN_RX_COAL_TARGET :
 843                                 coal->rx_max_coalesced_frames;
 844         priv->rx_usecs = (coal->rx_coalesce_usecs ==
 845                           MLX4_EN_AUTO_CONF) ?
 846                                 MLX4_EN_RX_COAL_TIME :
 847                                 coal->rx_coalesce_usecs;
 848
 849         /* Setting TX coalescing parameters */
 850         if (coal->tx_coalesce_usecs != priv->tx_usecs ||
 851             coal->tx_max_coalesced_frames != priv->tx_frames) {
 852                 priv->tx_usecs = coal->tx_coalesce_usecs;
 853                 priv->tx_frames = coal->tx_max_coalesced_frames;
 854         }
 855
 856         /* Set adaptive coalescing params */
 857         priv->pkt_rate_low = coal->pkt_rate_low;
 858         priv->rx_usecs_low = coal->rx_coalesce_usecs_low;
 859         priv->pkt_rate_high = coal->pkt_rate_high;
 860         priv->rx_usecs_high = coal->rx_coalesce_usecs_high;
 861         priv->sample_interval = coal->rate_sample_interval;
 862         priv->adaptive_rx_coal = coal->use_adaptive_rx_coalesce;
 863         priv->tx_work_limit = coal->tx_max_coalesced_frames_irq;
 864
 865         return mlx4_en_moderation_update(priv);
 866 }
 867
 868 static int mlx4_en_set_pauseparam(struct net_device *dev,
 869                                 struct ethtool_pauseparam *pause)
 870 {
 871         struct mlx4_en_priv *priv = netdev_priv(dev);
 872         struct mlx4_en_dev *mdev = priv->mdev;
 873         int err;
 874
 875         if (pause->autoneg)
 876                 return -EINVAL;
 877
 878         priv->prof->tx_pause = pause->tx_pause != 0;
 879         priv->prof->rx_pause = pause->rx_pause != 0;
 880         err = mlx4_SET_PORT_general(mdev->dev, priv->port,
 881                                     priv->rx_skb_size + ETH_FCS_LEN,
 882                                     priv->prof->tx_pause,
 883                                     priv->prof->tx_ppp,
 884                                     priv->prof->rx_pause,
 885                                     priv->prof->rx_ppp);
 886         if (err)
 887                 en_err(priv, "Failed setting pause params\n");
 888
 889         return err;
 890 }
 891
 892 static void mlx4_en_get_pauseparam(struct net_device *dev,
 893                                  struct ethtool_pauseparam *pause)
 894 {
 895         struct mlx4_en_priv *priv = netdev_priv(dev);
 896
 897         pause->tx_pause = priv->prof->tx_pause;
 898         pause->rx_pause = priv->prof->rx_pause;
 899 }
 900
 901 static int mlx4_en_set_ringparam(struct net_device *dev,
 902                                  struct ethtool_ringparam *param)
 903 {
 904         struct mlx4_en_priv *priv = netdev_priv(dev);
 905         struct mlx4_en_dev *mdev = priv->mdev;
 906         u32 rx_size, tx_size;
 907         int port_up = 0;
 908         int err = 0;
 909
 910         if (param->rx_jumbo_pending || param->rx_mini_pending)
 911                 return -EINVAL;
 912
 913         rx_size = roundup_pow_of_two(param->rx_pending);
 914         rx_size = max_t(u32, rx_size, MLX4_EN_MIN_RX_SIZE);
 915         rx_size = min_t(u32, rx_size, MLX4_EN_MAX_RX_SIZE);
 916         tx_size = roundup_pow_of_two(param->tx_pending);
 917         tx_size = max_t(u32, tx_size, MLX4_EN_MIN_TX_SIZE);
 918         tx_size = min_t(u32, tx_size, MLX4_EN_MAX_TX_SIZE);
 919
 920         if (rx_size == (priv->port_up ? priv->rx_ring[0]->actual_size :
 921                                         priv->rx_ring[0]->size) &&
 922             tx_size == priv->tx_ring[0]->size)
 923                 return 0;
 924
 925         mutex_lock(&mdev->state_lock);
 926         if (priv->port_up) {
 927                 port_up = 1;
 928                 mlx4_en_stop_port(dev, 1);
 929         }
 930
 931         mlx4_en_free_resources(priv);
 932
 933         priv->prof->tx_ring_size = tx_size;
 934         priv->prof->rx_ring_size = rx_size;
 935
 936         err = mlx4_en_alloc_resources(priv);
 937         if (err) {
 938                 en_err(priv, "Failed reallocating port resources\n");
 939                 goto out;
 940         }
 941         if (port_up) {
 942                 err = mlx4_en_start_port(dev);
 943                 if (err)
 944                         en_err(priv, "Failed starting port\n");
 945         }
 946
 947         err = mlx4_en_moderation_update(priv);
 948
 949 out:
 950         mutex_unlock(&mdev->state_lock);
 951         return err;
 952 }
 953
 954 static void mlx4_en_get_ringparam(struct net_device *dev,
 955                                   struct ethtool_ringparam *param)
 956 {
 957         struct mlx4_en_priv *priv = netdev_priv(dev);
 958
 959         memset(param, 0, sizeof(*param));
 960         param->rx_max_pending = MLX4_EN_MAX_RX_SIZE;
 961         param->tx_max_pending = MLX4_EN_MAX_TX_SIZE;
 962         param->rx_pending = priv->port_up ?
 963                 priv->rx_ring[0]->actual_size : priv->rx_ring[0]->size;
 964         param->tx_pending = priv->tx_ring[0]->size;
 965 }
 966
 967 static u32 mlx4_en_get_rxfh_indir_size(struct net_device *dev)
 968 {
 969         struct mlx4_en_priv *priv = netdev_priv(dev);
 970
 971         return priv->rx_ring_num;
 972 }
 973
 974 static u32 mlx4_en_get_rxfh_key_size(struct net_device *netdev)
 975 {
 976         return MLX4_EN_RSS_KEY_SIZE;
 977 }
 978
 979 static int mlx4_en_check_rxfh_func(struct net_device *dev, u8 hfunc)
 980 {
 981         struct mlx4_en_priv *priv = netdev_priv(dev);
 982
 983         /* check if requested function is supported by the device */
 984         if ((hfunc == ETH_RSS_HASH_TOP &&
 985              !(priv->mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_RSS_TOP)) ||
 986             (hfunc == ETH_RSS_HASH_XOR &&
 987              !(priv->mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_RSS_XOR)))
 988                 return -EINVAL;
 989
 990         priv->rss_hash_fn = hfunc;
 991         if (hfunc == ETH_RSS_HASH_TOP && !(dev->features & NETIF_F_RXHASH))
 992                 en_warn(priv,
 993                         "Toeplitz hash function should be used in conjunction with RX hashing for optimal performance\n");
 994         if (hfunc == ETH_RSS_HASH_XOR && (dev->features & NETIF_F_RXHASH))
 995                 en_warn(priv,
 996                         "Enabling both XOR Hash function and RX Hashing can limit RPS functionality\n");
 997         return 0;
 998 }
 999
1000 static int mlx4_en_get_rxfh(struct net_device *dev, u32 *ring_index, u8 *key,
1001                             u8 *hfunc)
1002 {
1003         struct mlx4_en_priv *priv = netdev_priv(dev);
1004         struct mlx4_en_rss_map *rss_map = &priv->rss_map;
1005         int rss_rings;
1006         size_t n = priv->rx_ring_num;
1007         int err = 0;
1008
1009         rss_rings = priv->prof->rss_rings ?: priv->rx_ring_num;
1010         rss_rings = 1 << ilog2(rss_rings);
1011
1012         while (n--) {
1013                 if (!ring_index)
1014                         break;
1015                 ring_index[n] = rss_map->qps[n % rss_rings].qpn -
1016                         rss_map->base_qpn;
1017         }
1018         if (key)
1019                 memcpy(key, priv->rss_key, MLX4_EN_RSS_KEY_SIZE);
1020         if (hfunc)
1021                 *hfunc = priv->rss_hash_fn;
1022         return err;
1023 }
1024
1025 static int mlx4_en_set_rxfh(struct net_device *dev, const u32 *ring_index,
1026                             const u8 *key, const u8 hfunc)
1027 {
1028         struct mlx4_en_priv *priv = netdev_priv(dev);
1029         struct mlx4_en_dev *mdev = priv->mdev;
1030         int port_up = 0;
1031         int err = 0;
1032         int i;
1033         int rss_rings = 0;
1034
1035         /* Calculate RSS table size and make sure flows are spread evenly
1036          * between rings
1037          */
1038         for (i = 0; i < priv->rx_ring_num; i++) {
1039                 if (!ring_index)
1040                         continue;
1041                 if (i > 0 && !ring_index[i] && !rss_rings)
1042                         rss_rings = i;
1043
1044                 if (ring_index[i] != (i % (rss_rings ?: priv->rx_ring_num)))
1045                         return -EINVAL;
1046         }
1047
1048         if (!rss_rings)
1049                 rss_rings = priv->rx_ring_num;
1050
1051         /* RSS table size must be an order of 2 */
1052         if (!is_power_of_2(rss_rings))
1053                 return -EINVAL;
1054
1055         if (hfunc != ETH_RSS_HASH_NO_CHANGE) {
1056                 err = mlx4_en_check_rxfh_func(dev, hfunc);
1057                 if (err)
1058                         return err;
1059         }
1060
1061         mutex_lock(&mdev->state_lock);
1062         if (priv->port_up) {
1063                 port_up = 1;
1064                 mlx4_en_stop_port(dev, 1);
1065         }
1066
1067         if (ring_index)
1068                 priv->prof->rss_rings = rss_rings;
1069         if (key)
1070                 memcpy(priv->rss_key, key, MLX4_EN_RSS_KEY_SIZE);
1071
1072         if (port_up) {
1073                 err = mlx4_en_start_port(dev);
1074                 if (err)
1075                         en_err(priv, "Failed starting port\n");
1076         }
1077
1078         mutex_unlock(&mdev->state_lock);
1079         return err;
1080 }
1081
1082 #define all_zeros_or_all_ones(field)            \
1083         ((field) == 0 || (field) == (__force typeof(field))-1)
1084
1085 static int mlx4_en_validate_flow(struct net_device *dev,
1086                                  struct ethtool_rxnfc *cmd)
1087 {
1088         struct ethtool_usrip4_spec *l3_mask;
1089         struct ethtool_tcpip4_spec *l4_mask;
1090         struct ethhdr *eth_mask;
1091
1092         if (cmd->fs.location >= MAX_NUM_OF_FS_RULES)
1093                 return -EINVAL;
1094
1095         if (cmd->fs.flow_type & FLOW_MAC_EXT) {
1096                 /* dest mac mask must be ff:ff:ff:ff:ff:ff */
1097                 if (!is_broadcast_ether_addr(cmd->fs.m_ext.h_dest))
1098                         return -EINVAL;
1099         }
1100
1101         switch (cmd->fs.flow_type & ~(FLOW_EXT | FLOW_MAC_EXT)) {
1102         case TCP_V4_FLOW:
1103         case UDP_V4_FLOW:
1104                 if (cmd->fs.m_u.tcp_ip4_spec.tos)
1105                         return -EINVAL;
1106                 l4_mask = &cmd->fs.m_u.tcp_ip4_spec;
1107                 /* don't allow mask which isn't all 0 or 1 */
1108                 if (!all_zeros_or_all_ones(l4_mask->ip4src) ||
1109                     !all_zeros_or_all_ones(l4_mask->ip4dst) ||
1110                     !all_zeros_or_all_ones(l4_mask->psrc) ||
1111                     !all_zeros_or_all_ones(l4_mask->pdst))
1112                         return -EINVAL;
1113                 break;
1114         case IP_USER_FLOW:
1115                 l3_mask = &cmd->fs.m_u.usr_ip4_spec;
1116                 if (l3_mask->l4_4_bytes || l3_mask->tos || l3_mask->proto ||
1117                     cmd->fs.h_u.usr_ip4_spec.ip_ver != ETH_RX_NFC_IP4 ||
1118                     (!l3_mask->ip4src && !l3_mask->ip4dst) ||
1119                     !all_zeros_or_all_ones(l3_mask->ip4src) ||
1120                     !all_zeros_or_all_ones(l3_mask->ip4dst))
1121                         return -EINVAL;
1122                 break;
1123         case ETHER_FLOW:
1124                 eth_mask = &cmd->fs.m_u.ether_spec;
1125                 /* source mac mask must not be set */
1126                 if (!is_zero_ether_addr(eth_mask->h_source))
1127                         return -EINVAL;
1128
1129                 /* dest mac mask must be ff:ff:ff:ff:ff:ff */
1130                 if (!is_broadcast_ether_addr(eth_mask->h_dest))
1131                         return -EINVAL;
1132
1133                 if (!all_zeros_or_all_ones(eth_mask->h_proto))
1134                         return -EINVAL;
1135                 break;
1136         default:
1137                 return -EINVAL;
1138         }
1139
1140         if ((cmd->fs.flow_type & FLOW_EXT)) {
1141                 if (cmd->fs.m_ext.vlan_etype ||
1142                     !((cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK)) ==
1143                       0 ||
1144                       (cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK)) ==
1145                       cpu_to_be16(VLAN_VID_MASK)))
1146                         return -EINVAL;
1147
1148                 if (cmd->fs.m_ext.vlan_tci) {
1149                         if (be16_to_cpu(cmd->fs.h_ext.vlan_tci) >= VLAN_N_VID)
1150                                 return -EINVAL;
1151
1152                 }
1153         }
1154
1155         return 0;
1156 }
1157
1158 static int mlx4_en_ethtool_add_mac_rule(struct ethtool_rxnfc *cmd,
1159                                         struct list_head *rule_list_h,
1160                                         struct mlx4_spec_list *spec_l2,
1161                                         unsigned char *mac)
1162 {
1163         int err = 0;
1164         __be64 mac_msk = cpu_to_be64(MLX4_MAC_MASK << 16);
1165
1166         spec_l2->id = MLX4_NET_TRANS_RULE_ID_ETH;
1167         memcpy(spec_l2->eth.dst_mac_msk, &mac_msk, ETH_ALEN);
1168         memcpy(spec_l2->eth.dst_mac, mac, ETH_ALEN);
1169
1170         if ((cmd->fs.flow_type & FLOW_EXT) &&
1171             (cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK))) {
1172                 spec_l2->eth.vlan_id = cmd->fs.h_ext.vlan_tci;
1173                 spec_l2->eth.vlan_id_msk = cpu_to_be16(VLAN_VID_MASK);
1174         }
1175
1176         list_add_tail(&spec_l2->list, rule_list_h);
1177
1178         return err;
1179 }
1180
1181 static int mlx4_en_ethtool_add_mac_rule_by_ipv4(struct mlx4_en_priv *priv,
1182                                                 struct ethtool_rxnfc *cmd,
1183                                                 struct list_head *rule_list_h,
1184                                                 struct mlx4_spec_list *spec_l2,
1185                                                 __be32 ipv4_dst)
1186 {
1187 #ifdef CONFIG_INET
1188         unsigned char mac[ETH_ALEN];
1189
1190         if (!ipv4_is_multicast(ipv4_dst)) {
1191                 if (cmd->fs.flow_type & FLOW_MAC_EXT)
1192                         memcpy(&mac, cmd->fs.h_ext.h_dest, ETH_ALEN);
1193                 else
1194                         memcpy(&mac, priv->dev->dev_addr, ETH_ALEN);
1195         } else {
1196                 ip_eth_mc_map(ipv4_dst, mac);
1197         }
1198
1199         return mlx4_en_ethtool_add_mac_rule(cmd, rule_list_h, spec_l2, &mac[0]);
1200 #else
1201         return -EINVAL;
1202 #endif
1203 }
1204
1205 static int add_ip_rule(struct mlx4_en_priv *priv,
1206                        struct ethtool_rxnfc *cmd,
1207                        struct list_head *list_h)
1208 {
1209         int err;
1210         struct mlx4_spec_list *spec_l2 = NULL;
1211         struct mlx4_spec_list *spec_l3 = NULL;
1212         struct ethtool_usrip4_spec *l3_mask = &cmd->fs.m_u.usr_ip4_spec;
1213
1214         spec_l3 = kzalloc(sizeof(*spec_l3), GFP_KERNEL);
1215         spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL);
1216         if (!spec_l2 || !spec_l3) {
1217                 err = -ENOMEM;
1218                 goto free_spec;
1219         }
1220
1221         err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h, spec_l2,
1222                                                    cmd->fs.h_u.
1223                                                    usr_ip4_spec.ip4dst);
1224         if (err)
1225                 goto free_spec;
1226         spec_l3->id = MLX4_NET_TRANS_RULE_ID_IPV4;
1227         spec_l3->ipv4.src_ip = cmd->fs.h_u.usr_ip4_spec.ip4src;
1228         if (l3_mask->ip4src)
1229                 spec_l3->ipv4.src_ip_msk = EN_ETHTOOL_WORD_MASK;
1230         spec_l3->ipv4.dst_ip = cmd->fs.h_u.usr_ip4_spec.ip4dst;
1231         if (l3_mask->ip4dst)
1232                 spec_l3->ipv4.dst_ip_msk = EN_ETHTOOL_WORD_MASK;
1233         list_add_tail(&spec_l3->list, list_h);
1234
1235         return 0;
1236
1237 free_spec:
1238         kfree(spec_l2);
1239         kfree(spec_l3);
1240         return err;
1241 }
1242
1243 static int add_tcp_udp_rule(struct mlx4_en_priv *priv,
1244                              struct ethtool_rxnfc *cmd,
1245                              struct list_head *list_h, int proto)
1246 {
1247         int err;
1248         struct mlx4_spec_list *spec_l2 = NULL;
1249         struct mlx4_spec_list *spec_l3 = NULL;
1250         struct mlx4_spec_list *spec_l4 = NULL;
1251         struct ethtool_tcpip4_spec *l4_mask = &cmd->fs.m_u.tcp_ip4_spec;
1252
1253         spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL);
1254         spec_l3 = kzalloc(sizeof(*spec_l3), GFP_KERNEL);
1255         spec_l4 = kzalloc(sizeof(*spec_l4), GFP_KERNEL);
1256         if (!spec_l2 || !spec_l3 || !spec_l4) {
1257                 err = -ENOMEM;
1258                 goto free_spec;
1259         }
1260
1261         spec_l3->id = MLX4_NET_TRANS_RULE_ID_IPV4;
1262
1263         if (proto == TCP_V4_FLOW) {
1264                 err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h,
1265                                                            spec_l2,
1266                                                            cmd->fs.h_u.
1267                                                            tcp_ip4_spec.ip4dst);
1268                 if (err)
1269                         goto free_spec;
1270                 spec_l4->id = MLX4_NET_TRANS_RULE_ID_TCP;
1271                 spec_l3->ipv4.src_ip = cmd->fs.h_u.tcp_ip4_spec.ip4src;
1272                 spec_l3->ipv4.dst_ip = cmd->fs.h_u.tcp_ip4_spec.ip4dst;
1273                 spec_l4->tcp_udp.src_port = cmd->fs.h_u.tcp_ip4_spec.psrc;
1274                 spec_l4->tcp_udp.dst_port = cmd->fs.h_u.tcp_ip4_spec.pdst;
1275         } else {
1276                 err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h,
1277                                                            spec_l2,
1278                                                            cmd->fs.h_u.
1279                                                            udp_ip4_spec.ip4dst);
1280                 if (err)
1281                         goto free_spec;
1282                 spec_l4->id = MLX4_NET_TRANS_RULE_ID_UDP;
1283                 spec_l3->ipv4.src_ip = cmd->fs.h_u.udp_ip4_spec.ip4src;
1284                 spec_l3->ipv4.dst_ip = cmd->fs.h_u.udp_ip4_spec.ip4dst;
1285                 spec_l4->tcp_udp.src_port = cmd->fs.h_u.udp_ip4_spec.psrc;
1286                 spec_l4->tcp_udp.dst_port = cmd->fs.h_u.udp_ip4_spec.pdst;
1287         }
1288
1289         if (l4_mask->ip4src)
1290                 spec_l3->ipv4.src_ip_msk = EN_ETHTOOL_WORD_MASK;
1291         if (l4_mask->ip4dst)
1292                 spec_l3->ipv4.dst_ip_msk = EN_ETHTOOL_WORD_MASK;
1293
1294         if (l4_mask->psrc)
1295                 spec_l4->tcp_udp.src_port_msk = EN_ETHTOOL_SHORT_MASK;
1296         if (l4_mask->pdst)
1297                 spec_l4->tcp_udp.dst_port_msk = EN_ETHTOOL_SHORT_MASK;
1298
1299         list_add_tail(&spec_l3->list, list_h);
1300         list_add_tail(&spec_l4->list, list_h);
1301
1302         return 0;
1303
1304 free_spec:
1305         kfree(spec_l2);
1306         kfree(spec_l3);
1307         kfree(spec_l4);
1308         return err;
1309 }
1310
1311 static int mlx4_en_ethtool_to_net_trans_rule(struct net_device *dev,
1312                                              struct ethtool_rxnfc *cmd,
1313                                              struct list_head *rule_list_h)
1314 {
1315         int err;
1316         struct ethhdr *eth_spec;
1317         struct mlx4_spec_list *spec_l2;
1318         struct mlx4_en_priv *priv = netdev_priv(dev);
1319
1320         err = mlx4_en_validate_flow(dev, cmd);
1321         if (err)
1322                 return err;
1323
1324         switch (cmd->fs.flow_type & ~(FLOW_EXT | FLOW_MAC_EXT)) {
1325         case ETHER_FLOW:
1326                 spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL);
1327                 if (!spec_l2)
1328                         return -ENOMEM;
1329
1330                 eth_spec = &cmd->fs.h_u.ether_spec;
1331                 mlx4_en_ethtool_add_mac_rule(cmd, rule_list_h, spec_l2,
1332                                              &eth_spec->h_dest[0]);
1333                 spec_l2->eth.ether_type = eth_spec->h_proto;
1334                 if (eth_spec->h_proto)
1335                         spec_l2->eth.ether_type_enable = 1;
1336                 break;
1337         case IP_USER_FLOW:
1338                 err = add_ip_rule(priv, cmd, rule_list_h);
1339                 break;
1340         case TCP_V4_FLOW:
1341                 err = add_tcp_udp_rule(priv, cmd, rule_list_h, TCP_V4_FLOW);
1342                 break;
1343         case UDP_V4_FLOW:
1344                 err = add_tcp_udp_rule(priv, cmd, rule_list_h, UDP_V4_FLOW);
1345                 break;
1346         }
1347
1348         return err;
1349 }
1350
1351 static int mlx4_en_flow_replace(struct net_device *dev,
1352                                 struct ethtool_rxnfc *cmd)
1353 {
1354         int err;
1355         struct mlx4_en_priv *priv = netdev_priv(dev);
1356         struct ethtool_flow_id *loc_rule;
1357         struct mlx4_spec_list *spec, *tmp_spec;
1358         u32 qpn;
1359         u64 reg_id;
1360
1361         struct mlx4_net_trans_rule rule = {
1362                 .queue_mode = MLX4_NET_TRANS_Q_FIFO,
1363                 .exclusive = 0,
1364                 .allow_loopback = 1,
1365                 .promisc_mode = MLX4_FS_REGULAR,
1366         };
1367
1368         rule.port = priv->port;
1369         rule.priority = MLX4_DOMAIN_ETHTOOL | cmd->fs.location;
1370         INIT_LIST_HEAD(&rule.list);
1371
1372         /* Allow direct QP attaches if the EN_ETHTOOL_QP_ATTACH flag is set */
1373         if (cmd->fs.ring_cookie == RX_CLS_FLOW_DISC)
1374                 qpn = priv->drop_qp.qpn;
1375         else if (cmd->fs.ring_cookie & EN_ETHTOOL_QP_ATTACH) {
1376                 qpn = cmd->fs.ring_cookie & (EN_ETHTOOL_QP_ATTACH - 1);
1377         } else {
1378                 if (cmd->fs.ring_cookie >= priv->rx_ring_num) {
1379                         en_warn(priv, "rxnfc: RX ring (%llu) doesn't exist\n",
1380                                 cmd->fs.ring_cookie);
1381                         return -EINVAL;
1382                 }
1383                 qpn = priv->rss_map.qps[cmd->fs.ring_cookie].qpn;
1384                 if (!qpn) {
1385                         en_warn(priv, "rxnfc: RX ring (%llu) is inactive\n",
1386                                 cmd->fs.ring_cookie);
1387                         return -EINVAL;
1388                 }
1389         }
1390         rule.qpn = qpn;
1391         err = mlx4_en_ethtool_to_net_trans_rule(dev, cmd, &rule.list);
1392         if (err)
1393                 goto out_free_list;
1394
1395         loc_rule = &priv->ethtool_rules[cmd->fs.location];
1396         if (loc_rule->id) {
1397                 err = mlx4_flow_detach(priv->mdev->dev, loc_rule->id);
1398                 if (err) {
1399                         en_err(priv, "Fail to detach network rule at location %d. registration id = %llx\n",
1400                                cmd->fs.location, loc_rule->id);
1401                         goto out_free_list;
1402                 }
1403                 loc_rule->id = 0;
1404                 memset(&loc_rule->flow_spec, 0,
1405                        sizeof(struct ethtool_rx_flow_spec));
1406                 list_del(&loc_rule->list);
1407         }
1408         err = mlx4_flow_attach(priv->mdev->dev, &rule, &reg_id);
1409         if (err) {
1410                 en_err(priv, "Fail to attach network rule at location %d\n",
1411                        cmd->fs.location);
1412                 goto out_free_list;
1413         }
1414         loc_rule->id = reg_id;
1415         memcpy(&loc_rule->flow_spec, &cmd->fs,
1416                sizeof(struct ethtool_rx_flow_spec));
1417         list_add_tail(&loc_rule->list, &priv->ethtool_list);
1418
1419 out_free_list:
1420         list_for_each_entry_safe(spec, tmp_spec, &rule.list, list) {
1421                 list_del(&spec->list);
1422                 kfree(spec);
1423         }
1424         return err;
1425 }
1426
1427 static int mlx4_en_flow_detach(struct net_device *dev,
1428                                struct ethtool_rxnfc *cmd)
1429 {
1430         int err = 0;
1431         struct ethtool_flow_id *rule;
1432         struct mlx4_en_priv *priv = netdev_priv(dev);
1433
1434         if (cmd->fs.location >= MAX_NUM_OF_FS_RULES)
1435                 return -EINVAL;
1436
1437         rule = &priv->ethtool_rules[cmd->fs.location];
1438         if (!rule->id) {
1439                 err =  -ENOENT;
1440                 goto out;
1441         }
1442
1443         err = mlx4_flow_detach(priv->mdev->dev, rule->id);
1444         if (err) {
1445                 en_err(priv, "Fail to detach network rule at location %d. registration id = 0x%llx\n",
1446                        cmd->fs.location, rule->id);
1447                 goto out;
1448         }
1449         rule->id = 0;
1450         memset(&rule->flow_spec, 0, sizeof(struct ethtool_rx_flow_spec));
1451         list_del(&rule->list);
1452 out:
1453         return err;
1454
1455 }
1456
1457 static int mlx4_en_get_flow(struct net_device *dev, struct ethtool_rxnfc *cmd,
1458                             int loc)
1459 {
1460         int err = 0;
1461         struct ethtool_flow_id *rule;
1462         struct mlx4_en_priv *priv = netdev_priv(dev);
1463
1464         if (loc < 0 || loc >= MAX_NUM_OF_FS_RULES)
1465                 return -EINVAL;
1466
1467         rule = &priv->ethtool_rules[loc];
1468         if (rule->id)
1469                 memcpy(&cmd->fs, &rule->flow_spec,
1470                        sizeof(struct ethtool_rx_flow_spec));
1471         else
1472                 err = -ENOENT;
1473
1474         return err;
1475 }
1476
1477 static int mlx4_en_get_num_flows(struct mlx4_en_priv *priv)
1478 {
1479
1480         int i, res = 0;
1481         for (i = 0; i < MAX_NUM_OF_FS_RULES; i++) {
1482                 if (priv->ethtool_rules[i].id)
1483                         res++;
1484         }
1485         return res;
1486
1487 }
1488
1489 static int mlx4_en_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
1490                              u32 *rule_locs)
1491 {
1492         struct mlx4_en_priv *priv = netdev_priv(dev);
1493         struct mlx4_en_dev *mdev = priv->mdev;
1494         int err = 0;
1495         int i = 0, priority = 0;
1496
1497         if ((cmd->cmd == ETHTOOL_GRXCLSRLCNT ||
1498              cmd->cmd == ETHTOOL_GRXCLSRULE ||
1499              cmd->cmd == ETHTOOL_GRXCLSRLALL) &&
1500             (mdev->dev->caps.steering_mode !=
1501              MLX4_STEERING_MODE_DEVICE_MANAGED || !priv->port_up))
1502                 return -EINVAL;
1503
1504         switch (cmd->cmd) {
1505         case ETHTOOL_GRXRINGS:
1506                 cmd->data = priv->rx_ring_num;
1507                 break;
1508         case ETHTOOL_GRXCLSRLCNT:
1509                 cmd->rule_cnt = mlx4_en_get_num_flows(priv);
1510                 break;
1511         case ETHTOOL_GRXCLSRULE:
1512                 err = mlx4_en_get_flow(dev, cmd, cmd->fs.location);
1513                 break;
1514         case ETHTOOL_GRXCLSRLALL:
1515                 while ((!err || err == -ENOENT) && priority < cmd->rule_cnt) {
1516                         err = mlx4_en_get_flow(dev, cmd, i);
1517                         if (!err)
1518                                 rule_locs[priority++] = i;
1519                         i++;
1520                 }
1521                 err = 0;
1522                 break;
1523         default:
1524                 err = -EOPNOTSUPP;
1525                 break;
1526         }
1527
1528         return err;
1529 }
1530
1531 static int mlx4_en_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
1532 {
1533         int err = 0;
1534         struct mlx4_en_priv *priv = netdev_priv(dev);
1535         struct mlx4_en_dev *mdev = priv->mdev;
1536
1537         if (mdev->dev->caps.steering_mode !=
1538             MLX4_STEERING_MODE_DEVICE_MANAGED || !priv->port_up)
1539                 return -EINVAL;
1540
1541         switch (cmd->cmd) {
1542         case ETHTOOL_SRXCLSRLINS:
1543                 err = mlx4_en_flow_replace(dev, cmd);
1544                 break;
1545         case ETHTOOL_SRXCLSRLDEL:
1546                 err = mlx4_en_flow_detach(dev, cmd);
1547                 break;
1548         default:
1549                 en_warn(priv, "Unsupported ethtool command. (%d)\n", cmd->cmd);
1550                 return -EINVAL;
1551         }
1552
1553         return err;
1554 }
1555
1556 static void mlx4_en_get_channels(struct net_device *dev,
1557                                  struct ethtool_channels *channel)
1558 {
1559         struct mlx4_en_priv *priv = netdev_priv(dev);
1560
1561         memset(channel, 0, sizeof(*channel));
1562
1563         channel->max_rx = MAX_RX_RINGS;
1564         channel->max_tx = MLX4_EN_MAX_TX_RING_P_UP;
1565
1566         channel->rx_count = priv->rx_ring_num;
1567         channel->tx_count = priv->tx_ring_num / MLX4_EN_NUM_UP;
1568 }
1569
1570 static int mlx4_en_set_channels(struct net_device *dev,
1571                                 struct ethtool_channels *channel)
1572 {
1573         struct mlx4_en_priv *priv = netdev_priv(dev);
1574         struct mlx4_en_dev *mdev = priv->mdev;
1575         int port_up = 0;
1576         int err = 0;
1577
1578         if (channel->other_count || channel->combined_count ||
1579             channel->tx_count > MLX4_EN_MAX_TX_RING_P_UP ||
1580             channel->rx_count > MAX_RX_RINGS ||
1581             !channel->tx_count || !channel->rx_count)
1582                 return -EINVAL;
1583
1584         mutex_lock(&mdev->state_lock);
1585         if (priv->port_up) {
1586                 port_up = 1;
1587                 mlx4_en_stop_port(dev, 1);
1588         }
1589
1590         mlx4_en_free_resources(priv);
1591
1592         priv->num_tx_rings_p_up = channel->tx_count;
1593         priv->tx_ring_num = channel->tx_count * MLX4_EN_NUM_UP;
1594         priv->rx_ring_num = channel->rx_count;
1595
1596         err = mlx4_en_alloc_resources(priv);
1597         if (err) {
1598                 en_err(priv, "Failed reallocating port resources\n");
1599                 goto out;
1600         }
1601
1602         netif_set_real_num_tx_queues(dev, priv->tx_ring_num);
1603         netif_set_real_num_rx_queues(dev, priv->rx_ring_num);
1604
1605         if (dev->num_tc)
1606                 mlx4_en_setup_tc(dev, MLX4_EN_NUM_UP);
1607
1608         en_warn(priv, "Using %d TX rings\n", priv->tx_ring_num);
1609         en_warn(priv, "Using %d RX rings\n", priv->rx_ring_num);
1610
1611         if (port_up) {
1612                 err = mlx4_en_start_port(dev);
1613                 if (err)
1614                         en_err(priv, "Failed starting port\n");
1615         }
1616
1617         err = mlx4_en_moderation_update(priv);
1618
1619 out:
1620         mutex_unlock(&mdev->state_lock);
1621         return err;
1622 }
1623
1624 static int mlx4_en_get_ts_info(struct net_device *dev,
1625                                struct ethtool_ts_info *info)
1626 {
1627         struct mlx4_en_priv *priv = netdev_priv(dev);
1628         struct mlx4_en_dev *mdev = priv->mdev;
1629         int ret;
1630
1631         ret = ethtool_op_get_ts_info(dev, info);
1632         if (ret)
1633                 return ret;
1634
1635         if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS) {
1636                 info->so_timestamping |=
1637                         SOF_TIMESTAMPING_TX_HARDWARE |
1638                         SOF_TIMESTAMPING_RX_HARDWARE |
1639                         SOF_TIMESTAMPING_RAW_HARDWARE;
1640
1641                 info->tx_types =
1642                         (1 << HWTSTAMP_TX_OFF) |
1643                         (1 << HWTSTAMP_TX_ON);
1644
1645                 info->rx_filters =
1646                         (1 << HWTSTAMP_FILTER_NONE) |
1647                         (1 << HWTSTAMP_FILTER_ALL);
1648
1649                 if (mdev->ptp_clock)
1650                         info->phc_index = ptp_clock_index(mdev->ptp_clock);
1651         }
1652
1653         return ret;
1654 }
1655
1656 static int mlx4_en_set_priv_flags(struct net_device *dev, u32 flags)
1657 {
1658         struct mlx4_en_priv *priv = netdev_priv(dev);
1659         bool bf_enabled_new = !!(flags & MLX4_EN_PRIV_FLAGS_BLUEFLAME);
1660         bool bf_enabled_old = !!(priv->pflags & MLX4_EN_PRIV_FLAGS_BLUEFLAME);
1661         int i;
1662
1663         if (bf_enabled_new == bf_enabled_old)
1664                 return 0; /* Nothing to do */
1665
1666         if (bf_enabled_new) {
1667                 bool bf_supported = true;
1668
1669                 for (i = 0; i < priv->tx_ring_num; i++)
1670                         bf_supported &= priv->tx_ring[i]->bf_alloced;
1671
1672                 if (!bf_supported) {
1673                         en_err(priv, "BlueFlame is not supported\n");
1674                         return -EINVAL;
1675                 }
1676
1677                 priv->pflags |= MLX4_EN_PRIV_FLAGS_BLUEFLAME;
1678         } else {
1679                 priv->pflags &= ~MLX4_EN_PRIV_FLAGS_BLUEFLAME;
1680         }
1681
1682         for (i = 0; i < priv->tx_ring_num; i++)
1683                 priv->tx_ring[i]->bf_enabled = bf_enabled_new;
1684
1685         en_info(priv, "BlueFlame %s\n",
1686                 bf_enabled_new ?  "Enabled" : "Disabled");
1687
1688         return 0;
1689 }
1690
1691 static u32 mlx4_en_get_priv_flags(struct net_device *dev)
1692 {
1693         struct mlx4_en_priv *priv = netdev_priv(dev);
1694
1695         return priv->pflags;
1696 }
1697
1698 static int mlx4_en_get_tunable(struct net_device *dev,
1699                                const struct ethtool_tunable *tuna,
1700                                void *data)
1701 {
1702         const struct mlx4_en_priv *priv = netdev_priv(dev);
1703         int ret = 0;
1704
1705         switch (tuna->id) {
1706         case ETHTOOL_TX_COPYBREAK:
1707                 *(u32 *)data = priv->prof->inline_thold;
1708                 break;
1709         default:
1710                 ret = -EINVAL;
1711                 break;
1712         }
1713
1714         return ret;
1715 }
1716
1717 static int mlx4_en_set_tunable(struct net_device *dev,
1718                                const struct ethtool_tunable *tuna,
1719                                const void *data)
1720 {
1721         struct mlx4_en_priv *priv = netdev_priv(dev);
1722         int val, ret = 0;
1723
1724         switch (tuna->id) {
1725         case ETHTOOL_TX_COPYBREAK:
1726                 val = *(u32 *)data;
1727                 if (val < MIN_PKT_LEN || val > MAX_INLINE)
1728                         ret = -EINVAL;
1729                 else
1730                         priv->prof->inline_thold = val;
1731                 break;
1732         default:
1733                 ret = -EINVAL;
1734                 break;
1735         }
1736
1737         return ret;
1738 }
1739
1740 static int mlx4_en_get_module_info(struct net_device *dev,
1741                                    struct ethtool_modinfo *modinfo)
1742 {
1743         struct mlx4_en_priv *priv = netdev_priv(dev);
1744         struct mlx4_en_dev *mdev = priv->mdev;
1745         int ret;
1746         u8 data[4];
1747
1748         /* Read first 2 bytes to get Module & REV ID */
1749         ret = mlx4_get_module_info(mdev->dev, priv->port,
1750                                    0/*offset*/, 2/*size*/, data);
1751         if (ret < 2)
1752                 return -EIO;
1753
1754         switch (data[0] /* identifier */) {
1755         case MLX4_MODULE_ID_QSFP:
1756                 modinfo->type = ETH_MODULE_SFF_8436;
1757                 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
1758                 break;
1759         case MLX4_MODULE_ID_QSFP_PLUS:
1760                 if (data[1] >= 0x3) { /* revision id */
1761                         modinfo->type = ETH_MODULE_SFF_8636;
1762                         modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
1763                 } else {
1764                         modinfo->type = ETH_MODULE_SFF_8436;
1765                         modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
1766                 }
1767                 break;
1768         case MLX4_MODULE_ID_QSFP28:
1769                 modinfo->type = ETH_MODULE_SFF_8636;
1770                 modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
1771                 break;
1772         case MLX4_MODULE_ID_SFP:
1773                 modinfo->type = ETH_MODULE_SFF_8472;
1774                 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
1775                 break;
1776         default:
1777                 return -ENOSYS;
1778         }
1779
1780         return 0;
1781 }
1782
1783 static int mlx4_en_get_module_eeprom(struct net_device *dev,
1784                                      struct ethtool_eeprom *ee,
1785                                      u8 *data)
1786 {
1787         struct mlx4_en_priv *priv = netdev_priv(dev);
1788         struct mlx4_en_dev *mdev = priv->mdev;
1789         int offset = ee->offset;
1790         int i = 0, ret;
1791
1792         if (ee->len == 0)
1793                 return -EINVAL;
1794
1795         memset(data, 0, ee->len);
1796
1797         while (i < ee->len) {
1798                 en_dbg(DRV, priv,
1799                        "mlx4_get_module_info i(%d) offset(%d) len(%d)\n",
1800                        i, offset, ee->len - i);
1801
1802                 ret = mlx4_get_module_info(mdev->dev, priv->port,
1803                                            offset, ee->len - i, data + i);
1804
1805                 if (!ret) /* Done reading */
1806                         return 0;
1807
1808                 if (ret < 0) {
1809                         en_err(priv,
1810                                "mlx4_get_module_info i(%d) offset(%d) bytes_to_read(%d) - FAILED (0x%x)\n",
1811                                i, offset, ee->len - i, ret);
1812                         return 0;
1813                 }
1814
1815                 i += ret;
1816                 offset += ret;
1817         }
1818         return 0;
1819 }
1820
1821 const struct ethtool_ops mlx4_en_ethtool_ops = {
1822         .get_drvinfo = mlx4_en_get_drvinfo,
1823         .get_settings = mlx4_en_get_settings,
1824         .set_settings = mlx4_en_set_settings,
1825         .get_link = ethtool_op_get_link,
1826         .get_strings = mlx4_en_get_strings,
1827         .get_sset_count = mlx4_en_get_sset_count,
1828         .get_ethtool_stats = mlx4_en_get_ethtool_stats,
1829         .self_test = mlx4_en_self_test,
1830         .get_wol = mlx4_en_get_wol,
1831         .set_wol = mlx4_en_set_wol,
1832         .get_msglevel = mlx4_en_get_msglevel,
1833         .set_msglevel = mlx4_en_set_msglevel,
1834         .get_coalesce = mlx4_en_get_coalesce,
1835         .set_coalesce = mlx4_en_set_coalesce,
1836         .get_pauseparam = mlx4_en_get_pauseparam,
1837         .set_pauseparam = mlx4_en_set_pauseparam,
1838         .get_ringparam = mlx4_en_get_ringparam,
1839         .set_ringparam = mlx4_en_set_ringparam,
1840         .get_rxnfc = mlx4_en_get_rxnfc,
1841         .set_rxnfc = mlx4_en_set_rxnfc,
1842         .get_rxfh_indir_size = mlx4_en_get_rxfh_indir_size,
1843         .get_rxfh_key_size = mlx4_en_get_rxfh_key_size,
1844         .get_rxfh = mlx4_en_get_rxfh,
1845         .set_rxfh = mlx4_en_set_rxfh,
1846         .get_channels = mlx4_en_get_channels,
1847         .set_channels = mlx4_en_set_channels,
1848         .get_ts_info = mlx4_en_get_ts_info,
1849         .set_priv_flags = mlx4_en_set_priv_flags,
1850         .get_priv_flags = mlx4_en_get_priv_flags,
1851         .get_tunable            = mlx4_en_get_tunable,
1852         .set_tunable            = mlx4_en_set_tunable,
1853         .get_module_info = mlx4_en_get_module_info,
1854         .get_module_eeprom = mlx4_en_get_module_eeprom
1855 };
1856
1857
1858
1859
1860