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->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 = cpu_to_be32(ptys_adv);
 774         if (speed >= 0 && speed != priv->port_state.link_speed)
 775                 /* If speed was set then speed decides :-) */
 776                 proto_admin = speed_set_ptys_admin(priv, speed,
 777                                                    ptys_reg.eth_proto_cap);
 778
 779         proto_admin &= ptys_reg.eth_proto_cap;
 780
 781         if (proto_admin == ptys_reg.eth_proto_admin)
 782                 return 0; /* Nothing to change */
 783
 784         if (!proto_admin) {
 785                 en_warn(priv, "Not supported link mode(s) requested, check supported link modes.\n");
 786                 return -EINVAL; /* nothing to change due to bad input */
 787         }
 788
 789         en_dbg(DRV, priv, "mlx4_ACCESS_PTYS_REG SET: ptys_reg.eth_proto_admin = 0x%x\n",
 790                be32_to_cpu(proto_admin));
 791
 792         ptys_reg.eth_proto_admin = proto_admin;
 793         ret = mlx4_ACCESS_PTYS_REG(priv->mdev->dev, MLX4_ACCESS_REG_WRITE,
 794                                    &ptys_reg);
 795         if (ret) {
 796                 en_warn(priv, "Failed to write mlx4_ACCESS_PTYS_REG eth_proto_admin(0x%x) status(0x%x)",
 797                         be32_to_cpu(ptys_reg.eth_proto_admin), ret);
 798                 return ret;
 799         }
 800
 801         en_warn(priv, "Port link mode changed, restarting port...\n");
 802         mutex_lock(&priv->mdev->state_lock);
 803         if (priv->port_up) {
 804                 mlx4_en_stop_port(dev, 1);
 805                 if (mlx4_en_start_port(dev))
 806                         en_err(priv, "Failed restarting port %d\n", priv->port);
 807         }
 808         mutex_unlock(&priv->mdev->state_lock);
 809         return 0;
 810 }
 811
 812 static int mlx4_en_get_coalesce(struct net_device *dev,
 813                               struct ethtool_coalesce *coal)
 814 {
 815         struct mlx4_en_priv *priv = netdev_priv(dev);
 816
 817         coal->tx_coalesce_usecs = priv->tx_usecs;
 818         coal->tx_max_coalesced_frames = priv->tx_frames;
 819         coal->tx_max_coalesced_frames_irq = priv->tx_work_limit;
 820
 821         coal->rx_coalesce_usecs = priv->rx_usecs;
 822         coal->rx_max_coalesced_frames = priv->rx_frames;
 823
 824         coal->pkt_rate_low = priv->pkt_rate_low;
 825         coal->rx_coalesce_usecs_low = priv->rx_usecs_low;
 826         coal->pkt_rate_high = priv->pkt_rate_high;
 827         coal->rx_coalesce_usecs_high = priv->rx_usecs_high;
 828         coal->rate_sample_interval = priv->sample_interval;
 829         coal->use_adaptive_rx_coalesce = priv->adaptive_rx_coal;
 830
 831         return 0;
 832 }
 833
 834 static int mlx4_en_set_coalesce(struct net_device *dev,
 835                               struct ethtool_coalesce *coal)
 836 {
 837         struct mlx4_en_priv *priv = netdev_priv(dev);
 838
 839         if (!coal->tx_max_coalesced_frames_irq)
 840                 return -EINVAL;
 841
 842         priv->rx_frames = (coal->rx_max_coalesced_frames ==
 843                            MLX4_EN_AUTO_CONF) ?
 844                                 MLX4_EN_RX_COAL_TARGET :
 845                                 coal->rx_max_coalesced_frames;
 846         priv->rx_usecs = (coal->rx_coalesce_usecs ==
 847                           MLX4_EN_AUTO_CONF) ?
 848                                 MLX4_EN_RX_COAL_TIME :
 849                                 coal->rx_coalesce_usecs;
 850
 851         /* Setting TX coalescing parameters */
 852         if (coal->tx_coalesce_usecs != priv->tx_usecs ||
 853             coal->tx_max_coalesced_frames != priv->tx_frames) {
 854                 priv->tx_usecs = coal->tx_coalesce_usecs;
 855                 priv->tx_frames = coal->tx_max_coalesced_frames;
 856         }
 857
 858         /* Set adaptive coalescing params */
 859         priv->pkt_rate_low = coal->pkt_rate_low;
 860         priv->rx_usecs_low = coal->rx_coalesce_usecs_low;
 861         priv->pkt_rate_high = coal->pkt_rate_high;
 862         priv->rx_usecs_high = coal->rx_coalesce_usecs_high;
 863         priv->sample_interval = coal->rate_sample_interval;
 864         priv->adaptive_rx_coal = coal->use_adaptive_rx_coalesce;
 865         priv->tx_work_limit = coal->tx_max_coalesced_frames_irq;
 866
 867         return mlx4_en_moderation_update(priv);
 868 }
 869
 870 static int mlx4_en_set_pauseparam(struct net_device *dev,
 871                                 struct ethtool_pauseparam *pause)
 872 {
 873         struct mlx4_en_priv *priv = netdev_priv(dev);
 874         struct mlx4_en_dev *mdev = priv->mdev;
 875         int err;
 876
 877         if (pause->autoneg)
 878                 return -EINVAL;
 879
 880         priv->prof->tx_pause = pause->tx_pause != 0;
 881         priv->prof->rx_pause = pause->rx_pause != 0;
 882         err = mlx4_SET_PORT_general(mdev->dev, priv->port,
 883                                     priv->rx_skb_size + ETH_FCS_LEN,
 884                                     priv->prof->tx_pause,
 885                                     priv->prof->tx_ppp,
 886                                     priv->prof->rx_pause,
 887                                     priv->prof->rx_ppp);
 888         if (err)
 889                 en_err(priv, "Failed setting pause params\n");
 890
 891         return err;
 892 }
 893
 894 static void mlx4_en_get_pauseparam(struct net_device *dev,
 895                                  struct ethtool_pauseparam *pause)
 896 {
 897         struct mlx4_en_priv *priv = netdev_priv(dev);
 898
 899         pause->tx_pause = priv->prof->tx_pause;
 900         pause->rx_pause = priv->prof->rx_pause;
 901 }
 902
 903 static int mlx4_en_set_ringparam(struct net_device *dev,
 904                                  struct ethtool_ringparam *param)
 905 {
 906         struct mlx4_en_priv *priv = netdev_priv(dev);
 907         struct mlx4_en_dev *mdev = priv->mdev;
 908         u32 rx_size, tx_size;
 909         int port_up = 0;
 910         int err = 0;
 911
 912         if (param->rx_jumbo_pending || param->rx_mini_pending)
 913                 return -EINVAL;
 914
 915         rx_size = roundup_pow_of_two(param->rx_pending);
 916         rx_size = max_t(u32, rx_size, MLX4_EN_MIN_RX_SIZE);
 917         rx_size = min_t(u32, rx_size, MLX4_EN_MAX_RX_SIZE);
 918         tx_size = roundup_pow_of_two(param->tx_pending);
 919         tx_size = max_t(u32, tx_size, MLX4_EN_MIN_TX_SIZE);
 920         tx_size = min_t(u32, tx_size, MLX4_EN_MAX_TX_SIZE);
 921
 922         if (rx_size == (priv->port_up ? priv->rx_ring[0]->actual_size :
 923                                         priv->rx_ring[0]->size) &&
 924             tx_size == priv->tx_ring[0]->size)
 925                 return 0;
 926
 927         mutex_lock(&mdev->state_lock);
 928         if (priv->port_up) {
 929                 port_up = 1;
 930                 mlx4_en_stop_port(dev, 1);
 931         }
 932
 933         mlx4_en_free_resources(priv);
 934
 935         priv->prof->tx_ring_size = tx_size;
 936         priv->prof->rx_ring_size = rx_size;
 937
 938         err = mlx4_en_alloc_resources(priv);
 939         if (err) {
 940                 en_err(priv, "Failed reallocating port resources\n");
 941                 goto out;
 942         }
 943         if (port_up) {
 944                 err = mlx4_en_start_port(dev);
 945                 if (err)
 946                         en_err(priv, "Failed starting port\n");
 947         }
 948
 949         err = mlx4_en_moderation_update(priv);
 950
 951 out:
 952         mutex_unlock(&mdev->state_lock);
 953         return err;
 954 }
 955
 956 static void mlx4_en_get_ringparam(struct net_device *dev,
 957                                   struct ethtool_ringparam *param)
 958 {
 959         struct mlx4_en_priv *priv = netdev_priv(dev);
 960
 961         memset(param, 0, sizeof(*param));
 962         param->rx_max_pending = MLX4_EN_MAX_RX_SIZE;
 963         param->tx_max_pending = MLX4_EN_MAX_TX_SIZE;
 964         param->rx_pending = priv->port_up ?
 965                 priv->rx_ring[0]->actual_size : priv->rx_ring[0]->size;
 966         param->tx_pending = priv->tx_ring[0]->size;
 967 }
 968
 969 static u32 mlx4_en_get_rxfh_indir_size(struct net_device *dev)
 970 {
 971         struct mlx4_en_priv *priv = netdev_priv(dev);
 972
 973         return priv->rx_ring_num;
 974 }
 975
 976 static u32 mlx4_en_get_rxfh_key_size(struct net_device *netdev)
 977 {
 978         return MLX4_EN_RSS_KEY_SIZE;
 979 }
 980
 981 static int mlx4_en_get_rxfh(struct net_device *dev, u32 *ring_index, u8 *key)
 982 {
 983         struct mlx4_en_priv *priv = netdev_priv(dev);
 984         struct mlx4_en_rss_map *rss_map = &priv->rss_map;
 985         int rss_rings;
 986         size_t n = priv->rx_ring_num;
 987         int err = 0;
 988
 989         rss_rings = priv->prof->rss_rings ?: priv->rx_ring_num;
 990         rss_rings = 1 << ilog2(rss_rings);
 991
 992         while (n--) {
 993                 ring_index[n] = rss_map->qps[n % rss_rings].qpn -
 994                         rss_map->base_qpn;
 995         }
 996         if (key)
 997                 memcpy(key, priv->rss_key, MLX4_EN_RSS_KEY_SIZE);
 998         return err;
 999 }
1000
1001 static int mlx4_en_set_rxfh(struct net_device *dev, const u32 *ring_index,
1002                             const u8 *key)
1003 {
1004         struct mlx4_en_priv *priv = netdev_priv(dev);
1005         struct mlx4_en_dev *mdev = priv->mdev;
1006         int port_up = 0;
1007         int err = 0;
1008         int i;
1009         int rss_rings = 0;
1010
1011         /* Calculate RSS table size and make sure flows are spread evenly
1012          * between rings
1013          */
1014         for (i = 0; i < priv->rx_ring_num; i++) {
1015                 if (!ring_index)
1016                         continue;
1017                 if (i > 0 && !ring_index[i] && !rss_rings)
1018                         rss_rings = i;
1019
1020                 if (ring_index[i] != (i % (rss_rings ?: priv->rx_ring_num)))
1021                         return -EINVAL;
1022         }
1023
1024         if (!rss_rings)
1025                 rss_rings = priv->rx_ring_num;
1026
1027         /* RSS table size must be an order of 2 */
1028         if (!is_power_of_2(rss_rings))
1029                 return -EINVAL;
1030
1031         mutex_lock(&mdev->state_lock);
1032         if (priv->port_up) {
1033                 port_up = 1;
1034                 mlx4_en_stop_port(dev, 1);
1035         }
1036
1037         if (ring_index)
1038                 priv->prof->rss_rings = rss_rings;
1039         if (key)
1040                 memcpy(priv->rss_key, key, MLX4_EN_RSS_KEY_SIZE);
1041         if (port_up) {
1042                 err = mlx4_en_start_port(dev);
1043                 if (err)
1044                         en_err(priv, "Failed starting port\n");
1045         }
1046
1047         mutex_unlock(&mdev->state_lock);
1048         return err;
1049 }
1050
1051 #define all_zeros_or_all_ones(field)            \
1052         ((field) == 0 || (field) == (__force typeof(field))-1)
1053
1054 static int mlx4_en_validate_flow(struct net_device *dev,
1055                                  struct ethtool_rxnfc *cmd)
1056 {
1057         struct ethtool_usrip4_spec *l3_mask;
1058         struct ethtool_tcpip4_spec *l4_mask;
1059         struct ethhdr *eth_mask;
1060
1061         if (cmd->fs.location >= MAX_NUM_OF_FS_RULES)
1062                 return -EINVAL;
1063
1064         if (cmd->fs.flow_type & FLOW_MAC_EXT) {
1065                 /* dest mac mask must be ff:ff:ff:ff:ff:ff */
1066                 if (!is_broadcast_ether_addr(cmd->fs.m_ext.h_dest))
1067                         return -EINVAL;
1068         }
1069
1070         switch (cmd->fs.flow_type & ~(FLOW_EXT | FLOW_MAC_EXT)) {
1071         case TCP_V4_FLOW:
1072         case UDP_V4_FLOW:
1073                 if (cmd->fs.m_u.tcp_ip4_spec.tos)
1074                         return -EINVAL;
1075                 l4_mask = &cmd->fs.m_u.tcp_ip4_spec;
1076                 /* don't allow mask which isn't all 0 or 1 */
1077                 if (!all_zeros_or_all_ones(l4_mask->ip4src) ||
1078                     !all_zeros_or_all_ones(l4_mask->ip4dst) ||
1079                     !all_zeros_or_all_ones(l4_mask->psrc) ||
1080                     !all_zeros_or_all_ones(l4_mask->pdst))
1081                         return -EINVAL;
1082                 break;
1083         case IP_USER_FLOW:
1084                 l3_mask = &cmd->fs.m_u.usr_ip4_spec;
1085                 if (l3_mask->l4_4_bytes || l3_mask->tos || l3_mask->proto ||
1086                     cmd->fs.h_u.usr_ip4_spec.ip_ver != ETH_RX_NFC_IP4 ||
1087                     (!l3_mask->ip4src && !l3_mask->ip4dst) ||
1088                     !all_zeros_or_all_ones(l3_mask->ip4src) ||
1089                     !all_zeros_or_all_ones(l3_mask->ip4dst))
1090                         return -EINVAL;
1091                 break;
1092         case ETHER_FLOW:
1093                 eth_mask = &cmd->fs.m_u.ether_spec;
1094                 /* source mac mask must not be set */
1095                 if (!is_zero_ether_addr(eth_mask->h_source))
1096                         return -EINVAL;
1097
1098                 /* dest mac mask must be ff:ff:ff:ff:ff:ff */
1099                 if (!is_broadcast_ether_addr(eth_mask->h_dest))
1100                         return -EINVAL;
1101
1102                 if (!all_zeros_or_all_ones(eth_mask->h_proto))
1103                         return -EINVAL;
1104                 break;
1105         default:
1106                 return -EINVAL;
1107         }
1108
1109         if ((cmd->fs.flow_type & FLOW_EXT)) {
1110                 if (cmd->fs.m_ext.vlan_etype ||
1111                     !((cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK)) ==
1112                       0 ||
1113                       (cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK)) ==
1114                       cpu_to_be16(VLAN_VID_MASK)))
1115                         return -EINVAL;
1116
1117                 if (cmd->fs.m_ext.vlan_tci) {
1118                         if (be16_to_cpu(cmd->fs.h_ext.vlan_tci) >= VLAN_N_VID)
1119                                 return -EINVAL;
1120
1121                 }
1122         }
1123
1124         return 0;
1125 }
1126
1127 static int mlx4_en_ethtool_add_mac_rule(struct ethtool_rxnfc *cmd,
1128                                         struct list_head *rule_list_h,
1129                                         struct mlx4_spec_list *spec_l2,
1130                                         unsigned char *mac)
1131 {
1132         int err = 0;
1133         __be64 mac_msk = cpu_to_be64(MLX4_MAC_MASK << 16);
1134
1135         spec_l2->id = MLX4_NET_TRANS_RULE_ID_ETH;
1136         memcpy(spec_l2->eth.dst_mac_msk, &mac_msk, ETH_ALEN);
1137         memcpy(spec_l2->eth.dst_mac, mac, ETH_ALEN);
1138
1139         if ((cmd->fs.flow_type & FLOW_EXT) &&
1140             (cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK))) {
1141                 spec_l2->eth.vlan_id = cmd->fs.h_ext.vlan_tci;
1142                 spec_l2->eth.vlan_id_msk = cpu_to_be16(VLAN_VID_MASK);
1143         }
1144
1145         list_add_tail(&spec_l2->list, rule_list_h);
1146
1147         return err;
1148 }
1149
1150 static int mlx4_en_ethtool_add_mac_rule_by_ipv4(struct mlx4_en_priv *priv,
1151                                                 struct ethtool_rxnfc *cmd,
1152                                                 struct list_head *rule_list_h,
1153                                                 struct mlx4_spec_list *spec_l2,
1154                                                 __be32 ipv4_dst)
1155 {
1156 #ifdef CONFIG_INET
1157         unsigned char mac[ETH_ALEN];
1158
1159         if (!ipv4_is_multicast(ipv4_dst)) {
1160                 if (cmd->fs.flow_type & FLOW_MAC_EXT)
1161                         memcpy(&mac, cmd->fs.h_ext.h_dest, ETH_ALEN);
1162                 else
1163                         memcpy(&mac, priv->dev->dev_addr, ETH_ALEN);
1164         } else {
1165                 ip_eth_mc_map(ipv4_dst, mac);
1166         }
1167
1168         return mlx4_en_ethtool_add_mac_rule(cmd, rule_list_h, spec_l2, &mac[0]);
1169 #else
1170         return -EINVAL;
1171 #endif
1172 }
1173
1174 static int add_ip_rule(struct mlx4_en_priv *priv,
1175                        struct ethtool_rxnfc *cmd,
1176                        struct list_head *list_h)
1177 {
1178         int err;
1179         struct mlx4_spec_list *spec_l2 = NULL;
1180         struct mlx4_spec_list *spec_l3 = NULL;
1181         struct ethtool_usrip4_spec *l3_mask = &cmd->fs.m_u.usr_ip4_spec;
1182
1183         spec_l3 = kzalloc(sizeof(*spec_l3), GFP_KERNEL);
1184         spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL);
1185         if (!spec_l2 || !spec_l3) {
1186                 err = -ENOMEM;
1187                 goto free_spec;
1188         }
1189
1190         err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h, spec_l2,
1191                                                    cmd->fs.h_u.
1192                                                    usr_ip4_spec.ip4dst);
1193         if (err)
1194                 goto free_spec;
1195         spec_l3->id = MLX4_NET_TRANS_RULE_ID_IPV4;
1196         spec_l3->ipv4.src_ip = cmd->fs.h_u.usr_ip4_spec.ip4src;
1197         if (l3_mask->ip4src)
1198                 spec_l3->ipv4.src_ip_msk = EN_ETHTOOL_WORD_MASK;
1199         spec_l3->ipv4.dst_ip = cmd->fs.h_u.usr_ip4_spec.ip4dst;
1200         if (l3_mask->ip4dst)
1201                 spec_l3->ipv4.dst_ip_msk = EN_ETHTOOL_WORD_MASK;
1202         list_add_tail(&spec_l3->list, list_h);
1203
1204         return 0;
1205
1206 free_spec:
1207         kfree(spec_l2);
1208         kfree(spec_l3);
1209         return err;
1210 }
1211
1212 static int add_tcp_udp_rule(struct mlx4_en_priv *priv,
1213                              struct ethtool_rxnfc *cmd,
1214                              struct list_head *list_h, int proto)
1215 {
1216         int err;
1217         struct mlx4_spec_list *spec_l2 = NULL;
1218         struct mlx4_spec_list *spec_l3 = NULL;
1219         struct mlx4_spec_list *spec_l4 = NULL;
1220         struct ethtool_tcpip4_spec *l4_mask = &cmd->fs.m_u.tcp_ip4_spec;
1221
1222         spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL);
1223         spec_l3 = kzalloc(sizeof(*spec_l3), GFP_KERNEL);
1224         spec_l4 = kzalloc(sizeof(*spec_l4), GFP_KERNEL);
1225         if (!spec_l2 || !spec_l3 || !spec_l4) {
1226                 err = -ENOMEM;
1227                 goto free_spec;
1228         }
1229
1230         spec_l3->id = MLX4_NET_TRANS_RULE_ID_IPV4;
1231
1232         if (proto == TCP_V4_FLOW) {
1233                 err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h,
1234                                                            spec_l2,
1235                                                            cmd->fs.h_u.
1236                                                            tcp_ip4_spec.ip4dst);
1237                 if (err)
1238                         goto free_spec;
1239                 spec_l4->id = MLX4_NET_TRANS_RULE_ID_TCP;
1240                 spec_l3->ipv4.src_ip = cmd->fs.h_u.tcp_ip4_spec.ip4src;
1241                 spec_l3->ipv4.dst_ip = cmd->fs.h_u.tcp_ip4_spec.ip4dst;
1242                 spec_l4->tcp_udp.src_port = cmd->fs.h_u.tcp_ip4_spec.psrc;
1243                 spec_l4->tcp_udp.dst_port = cmd->fs.h_u.tcp_ip4_spec.pdst;
1244         } else {
1245                 err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h,
1246                                                            spec_l2,
1247                                                            cmd->fs.h_u.
1248                                                            udp_ip4_spec.ip4dst);
1249                 if (err)
1250                         goto free_spec;
1251                 spec_l4->id = MLX4_NET_TRANS_RULE_ID_UDP;
1252                 spec_l3->ipv4.src_ip = cmd->fs.h_u.udp_ip4_spec.ip4src;
1253                 spec_l3->ipv4.dst_ip = cmd->fs.h_u.udp_ip4_spec.ip4dst;
1254                 spec_l4->tcp_udp.src_port = cmd->fs.h_u.udp_ip4_spec.psrc;
1255                 spec_l4->tcp_udp.dst_port = cmd->fs.h_u.udp_ip4_spec.pdst;
1256         }
1257
1258         if (l4_mask->ip4src)
1259                 spec_l3->ipv4.src_ip_msk = EN_ETHTOOL_WORD_MASK;
1260         if (l4_mask->ip4dst)
1261                 spec_l3->ipv4.dst_ip_msk = EN_ETHTOOL_WORD_MASK;
1262
1263         if (l4_mask->psrc)
1264                 spec_l4->tcp_udp.src_port_msk = EN_ETHTOOL_SHORT_MASK;
1265         if (l4_mask->pdst)
1266                 spec_l4->tcp_udp.dst_port_msk = EN_ETHTOOL_SHORT_MASK;
1267
1268         list_add_tail(&spec_l3->list, list_h);
1269         list_add_tail(&spec_l4->list, list_h);
1270
1271         return 0;
1272
1273 free_spec:
1274         kfree(spec_l2);
1275         kfree(spec_l3);
1276         kfree(spec_l4);
1277         return err;
1278 }
1279
1280 static int mlx4_en_ethtool_to_net_trans_rule(struct net_device *dev,
1281                                              struct ethtool_rxnfc *cmd,
1282                                              struct list_head *rule_list_h)
1283 {
1284         int err;
1285         struct ethhdr *eth_spec;
1286         struct mlx4_spec_list *spec_l2;
1287         struct mlx4_en_priv *priv = netdev_priv(dev);
1288
1289         err = mlx4_en_validate_flow(dev, cmd);
1290         if (err)
1291                 return err;
1292
1293         switch (cmd->fs.flow_type & ~(FLOW_EXT | FLOW_MAC_EXT)) {
1294         case ETHER_FLOW:
1295                 spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL);
1296                 if (!spec_l2)
1297                         return -ENOMEM;
1298
1299                 eth_spec = &cmd->fs.h_u.ether_spec;
1300                 mlx4_en_ethtool_add_mac_rule(cmd, rule_list_h, spec_l2,
1301                                              &eth_spec->h_dest[0]);
1302                 spec_l2->eth.ether_type = eth_spec->h_proto;
1303                 if (eth_spec->h_proto)
1304                         spec_l2->eth.ether_type_enable = 1;
1305                 break;
1306         case IP_USER_FLOW:
1307                 err = add_ip_rule(priv, cmd, rule_list_h);
1308                 break;
1309         case TCP_V4_FLOW:
1310                 err = add_tcp_udp_rule(priv, cmd, rule_list_h, TCP_V4_FLOW);
1311                 break;
1312         case UDP_V4_FLOW:
1313                 err = add_tcp_udp_rule(priv, cmd, rule_list_h, UDP_V4_FLOW);
1314                 break;
1315         }
1316
1317         return err;
1318 }
1319
1320 static int mlx4_en_flow_replace(struct net_device *dev,
1321                                 struct ethtool_rxnfc *cmd)
1322 {
1323         int err;
1324         struct mlx4_en_priv *priv = netdev_priv(dev);
1325         struct ethtool_flow_id *loc_rule;
1326         struct mlx4_spec_list *spec, *tmp_spec;
1327         u32 qpn;
1328         u64 reg_id;
1329
1330         struct mlx4_net_trans_rule rule = {
1331                 .queue_mode = MLX4_NET_TRANS_Q_FIFO,
1332                 .exclusive = 0,
1333                 .allow_loopback = 1,
1334                 .promisc_mode = MLX4_FS_REGULAR,
1335         };
1336
1337         rule.port = priv->port;
1338         rule.priority = MLX4_DOMAIN_ETHTOOL | cmd->fs.location;
1339         INIT_LIST_HEAD(&rule.list);
1340
1341         /* Allow direct QP attaches if the EN_ETHTOOL_QP_ATTACH flag is set */
1342         if (cmd->fs.ring_cookie == RX_CLS_FLOW_DISC)
1343                 qpn = priv->drop_qp.qpn;
1344         else if (cmd->fs.ring_cookie & EN_ETHTOOL_QP_ATTACH) {
1345                 qpn = cmd->fs.ring_cookie & (EN_ETHTOOL_QP_ATTACH - 1);
1346         } else {
1347                 if (cmd->fs.ring_cookie >= priv->rx_ring_num) {
1348                         en_warn(priv, "rxnfc: RX ring (%llu) doesn't exist\n",
1349                                 cmd->fs.ring_cookie);
1350                         return -EINVAL;
1351                 }
1352                 qpn = priv->rss_map.qps[cmd->fs.ring_cookie].qpn;
1353                 if (!qpn) {
1354                         en_warn(priv, "rxnfc: RX ring (%llu) is inactive\n",
1355                                 cmd->fs.ring_cookie);
1356                         return -EINVAL;
1357                 }
1358         }
1359         rule.qpn = qpn;
1360         err = mlx4_en_ethtool_to_net_trans_rule(dev, cmd, &rule.list);
1361         if (err)
1362                 goto out_free_list;
1363
1364         loc_rule = &priv->ethtool_rules[cmd->fs.location];
1365         if (loc_rule->id) {
1366                 err = mlx4_flow_detach(priv->mdev->dev, loc_rule->id);
1367                 if (err) {
1368                         en_err(priv, "Fail to detach network rule at location %d. registration id = %llx\n",
1369                                cmd->fs.location, loc_rule->id);
1370                         goto out_free_list;
1371                 }
1372                 loc_rule->id = 0;
1373                 memset(&loc_rule->flow_spec, 0,
1374                        sizeof(struct ethtool_rx_flow_spec));
1375                 list_del(&loc_rule->list);
1376         }
1377         err = mlx4_flow_attach(priv->mdev->dev, &rule, &reg_id);
1378         if (err) {
1379                 en_err(priv, "Fail to attach network rule at location %d\n",
1380                        cmd->fs.location);
1381                 goto out_free_list;
1382         }
1383         loc_rule->id = reg_id;
1384         memcpy(&loc_rule->flow_spec, &cmd->fs,
1385                sizeof(struct ethtool_rx_flow_spec));
1386         list_add_tail(&loc_rule->list, &priv->ethtool_list);
1387
1388 out_free_list:
1389         list_for_each_entry_safe(spec, tmp_spec, &rule.list, list) {
1390                 list_del(&spec->list);
1391                 kfree(spec);
1392         }
1393         return err;
1394 }
1395
1396 static int mlx4_en_flow_detach(struct net_device *dev,
1397                                struct ethtool_rxnfc *cmd)
1398 {
1399         int err = 0;
1400         struct ethtool_flow_id *rule;
1401         struct mlx4_en_priv *priv = netdev_priv(dev);
1402
1403         if (cmd->fs.location >= MAX_NUM_OF_FS_RULES)
1404                 return -EINVAL;
1405
1406         rule = &priv->ethtool_rules[cmd->fs.location];
1407         if (!rule->id) {
1408                 err =  -ENOENT;
1409                 goto out;
1410         }
1411
1412         err = mlx4_flow_detach(priv->mdev->dev, rule->id);
1413         if (err) {
1414                 en_err(priv, "Fail to detach network rule at location %d. registration id = 0x%llx\n",
1415                        cmd->fs.location, rule->id);
1416                 goto out;
1417         }
1418         rule->id = 0;
1419         memset(&rule->flow_spec, 0, sizeof(struct ethtool_rx_flow_spec));
1420         list_del(&rule->list);
1421 out:
1422         return err;
1423
1424 }
1425
1426 static int mlx4_en_get_flow(struct net_device *dev, struct ethtool_rxnfc *cmd,
1427                             int loc)
1428 {
1429         int err = 0;
1430         struct ethtool_flow_id *rule;
1431         struct mlx4_en_priv *priv = netdev_priv(dev);
1432
1433         if (loc < 0 || loc >= MAX_NUM_OF_FS_RULES)
1434                 return -EINVAL;
1435
1436         rule = &priv->ethtool_rules[loc];
1437         if (rule->id)
1438                 memcpy(&cmd->fs, &rule->flow_spec,
1439                        sizeof(struct ethtool_rx_flow_spec));
1440         else
1441                 err = -ENOENT;
1442
1443         return err;
1444 }
1445
1446 static int mlx4_en_get_num_flows(struct mlx4_en_priv *priv)
1447 {
1448
1449         int i, res = 0;
1450         for (i = 0; i < MAX_NUM_OF_FS_RULES; i++) {
1451                 if (priv->ethtool_rules[i].id)
1452                         res++;
1453         }
1454         return res;
1455
1456 }
1457
1458 static int mlx4_en_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
1459                              u32 *rule_locs)
1460 {
1461         struct mlx4_en_priv *priv = netdev_priv(dev);
1462         struct mlx4_en_dev *mdev = priv->mdev;
1463         int err = 0;
1464         int i = 0, priority = 0;
1465
1466         if ((cmd->cmd == ETHTOOL_GRXCLSRLCNT ||
1467              cmd->cmd == ETHTOOL_GRXCLSRULE ||
1468              cmd->cmd == ETHTOOL_GRXCLSRLALL) &&
1469             (mdev->dev->caps.steering_mode !=
1470              MLX4_STEERING_MODE_DEVICE_MANAGED || !priv->port_up))
1471                 return -EINVAL;
1472
1473         switch (cmd->cmd) {
1474         case ETHTOOL_GRXRINGS:
1475                 cmd->data = priv->rx_ring_num;
1476                 break;
1477         case ETHTOOL_GRXCLSRLCNT:
1478                 cmd->rule_cnt = mlx4_en_get_num_flows(priv);
1479                 break;
1480         case ETHTOOL_GRXCLSRULE:
1481                 err = mlx4_en_get_flow(dev, cmd, cmd->fs.location);
1482                 break;
1483         case ETHTOOL_GRXCLSRLALL:
1484                 while ((!err || err == -ENOENT) && priority < cmd->rule_cnt) {
1485                         err = mlx4_en_get_flow(dev, cmd, i);
1486                         if (!err)
1487                                 rule_locs[priority++] = i;
1488                         i++;
1489                 }
1490                 err = 0;
1491                 break;
1492         default:
1493                 err = -EOPNOTSUPP;
1494                 break;
1495         }
1496
1497         return err;
1498 }
1499
1500 static int mlx4_en_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
1501 {
1502         int err = 0;
1503         struct mlx4_en_priv *priv = netdev_priv(dev);
1504         struct mlx4_en_dev *mdev = priv->mdev;
1505
1506         if (mdev->dev->caps.steering_mode !=
1507             MLX4_STEERING_MODE_DEVICE_MANAGED || !priv->port_up)
1508                 return -EINVAL;
1509
1510         switch (cmd->cmd) {
1511         case ETHTOOL_SRXCLSRLINS:
1512                 err = mlx4_en_flow_replace(dev, cmd);
1513                 break;
1514         case ETHTOOL_SRXCLSRLDEL:
1515                 err = mlx4_en_flow_detach(dev, cmd);
1516                 break;
1517         default:
1518                 en_warn(priv, "Unsupported ethtool command. (%d)\n", cmd->cmd);
1519                 return -EINVAL;
1520         }
1521
1522         return err;
1523 }
1524
1525 static void mlx4_en_get_channels(struct net_device *dev,
1526                                  struct ethtool_channels *channel)
1527 {
1528         struct mlx4_en_priv *priv = netdev_priv(dev);
1529
1530         memset(channel, 0, sizeof(*channel));
1531
1532         channel->max_rx = MAX_RX_RINGS;
1533         channel->max_tx = MLX4_EN_MAX_TX_RING_P_UP;
1534
1535         channel->rx_count = priv->rx_ring_num;
1536         channel->tx_count = priv->tx_ring_num / MLX4_EN_NUM_UP;
1537 }
1538
1539 static int mlx4_en_set_channels(struct net_device *dev,
1540                                 struct ethtool_channels *channel)
1541 {
1542         struct mlx4_en_priv *priv = netdev_priv(dev);
1543         struct mlx4_en_dev *mdev = priv->mdev;
1544         int port_up = 0;
1545         int err = 0;
1546
1547         if (channel->other_count || channel->combined_count ||
1548             channel->tx_count > MLX4_EN_MAX_TX_RING_P_UP ||
1549             channel->rx_count > MAX_RX_RINGS ||
1550             !channel->tx_count || !channel->rx_count)
1551                 return -EINVAL;
1552
1553         mutex_lock(&mdev->state_lock);
1554         if (priv->port_up) {
1555                 port_up = 1;
1556                 mlx4_en_stop_port(dev, 1);
1557         }
1558
1559         mlx4_en_free_resources(priv);
1560
1561         priv->num_tx_rings_p_up = channel->tx_count;
1562         priv->tx_ring_num = channel->tx_count * MLX4_EN_NUM_UP;
1563         priv->rx_ring_num = channel->rx_count;
1564
1565         err = mlx4_en_alloc_resources(priv);
1566         if (err) {
1567                 en_err(priv, "Failed reallocating port resources\n");
1568                 goto out;
1569         }
1570
1571         netif_set_real_num_tx_queues(dev, priv->tx_ring_num);
1572         netif_set_real_num_rx_queues(dev, priv->rx_ring_num);
1573
1574         if (dev->num_tc)
1575                 mlx4_en_setup_tc(dev, MLX4_EN_NUM_UP);
1576
1577         en_warn(priv, "Using %d TX rings\n", priv->tx_ring_num);
1578         en_warn(priv, "Using %d RX rings\n", priv->rx_ring_num);
1579
1580         if (port_up) {
1581                 err = mlx4_en_start_port(dev);
1582                 if (err)
1583                         en_err(priv, "Failed starting port\n");
1584         }
1585
1586         err = mlx4_en_moderation_update(priv);
1587
1588 out:
1589         mutex_unlock(&mdev->state_lock);
1590         return err;
1591 }
1592
1593 static int mlx4_en_get_ts_info(struct net_device *dev,
1594                                struct ethtool_ts_info *info)
1595 {
1596         struct mlx4_en_priv *priv = netdev_priv(dev);
1597         struct mlx4_en_dev *mdev = priv->mdev;
1598         int ret;
1599
1600         ret = ethtool_op_get_ts_info(dev, info);
1601         if (ret)
1602                 return ret;
1603
1604         if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS) {
1605                 info->so_timestamping |=
1606                         SOF_TIMESTAMPING_TX_HARDWARE |
1607                         SOF_TIMESTAMPING_RX_HARDWARE |
1608                         SOF_TIMESTAMPING_RAW_HARDWARE;
1609
1610                 info->tx_types =
1611                         (1 << HWTSTAMP_TX_OFF) |
1612                         (1 << HWTSTAMP_TX_ON);
1613
1614                 info->rx_filters =
1615                         (1 << HWTSTAMP_FILTER_NONE) |
1616                         (1 << HWTSTAMP_FILTER_ALL);
1617
1618                 if (mdev->ptp_clock)
1619                         info->phc_index = ptp_clock_index(mdev->ptp_clock);
1620         }
1621
1622         return ret;
1623 }
1624
1625 static int mlx4_en_set_priv_flags(struct net_device *dev, u32 flags)
1626 {
1627         struct mlx4_en_priv *priv = netdev_priv(dev);
1628         bool bf_enabled_new = !!(flags & MLX4_EN_PRIV_FLAGS_BLUEFLAME);
1629         bool bf_enabled_old = !!(priv->pflags & MLX4_EN_PRIV_FLAGS_BLUEFLAME);
1630         int i;
1631
1632         if (bf_enabled_new == bf_enabled_old)
1633                 return 0; /* Nothing to do */
1634
1635         if (bf_enabled_new) {
1636                 bool bf_supported = true;
1637
1638                 for (i = 0; i < priv->tx_ring_num; i++)
1639                         bf_supported &= priv->tx_ring[i]->bf_alloced;
1640
1641                 if (!bf_supported) {
1642                         en_err(priv, "BlueFlame is not supported\n");
1643                         return -EINVAL;
1644                 }
1645
1646                 priv->pflags |= MLX4_EN_PRIV_FLAGS_BLUEFLAME;
1647         } else {
1648                 priv->pflags &= ~MLX4_EN_PRIV_FLAGS_BLUEFLAME;
1649         }
1650
1651         for (i = 0; i < priv->tx_ring_num; i++)
1652                 priv->tx_ring[i]->bf_enabled = bf_enabled_new;
1653
1654         en_info(priv, "BlueFlame %s\n",
1655                 bf_enabled_new ?  "Enabled" : "Disabled");
1656
1657         return 0;
1658 }
1659
1660 static u32 mlx4_en_get_priv_flags(struct net_device *dev)
1661 {
1662         struct mlx4_en_priv *priv = netdev_priv(dev);
1663
1664         return priv->pflags;
1665 }
1666
1667 static int mlx4_en_get_tunable(struct net_device *dev,
1668                                const struct ethtool_tunable *tuna,
1669                                void *data)
1670 {
1671         const struct mlx4_en_priv *priv = netdev_priv(dev);
1672         int ret = 0;
1673
1674         switch (tuna->id) {
1675         case ETHTOOL_TX_COPYBREAK:
1676                 *(u32 *)data = priv->prof->inline_thold;
1677                 break;
1678         default:
1679                 ret = -EINVAL;
1680                 break;
1681         }
1682
1683         return ret;
1684 }
1685
1686 static int mlx4_en_set_tunable(struct net_device *dev,
1687                                const struct ethtool_tunable *tuna,
1688                                const void *data)
1689 {
1690         struct mlx4_en_priv *priv = netdev_priv(dev);
1691         int val, ret = 0;
1692
1693         switch (tuna->id) {
1694         case ETHTOOL_TX_COPYBREAK:
1695                 val = *(u32 *)data;
1696                 if (val < MIN_PKT_LEN || val > MAX_INLINE)
1697                         ret = -EINVAL;
1698                 else
1699                         priv->prof->inline_thold = val;
1700                 break;
1701         default:
1702                 ret = -EINVAL;
1703                 break;
1704         }
1705
1706         return ret;
1707 }
1708
1709 static int mlx4_en_get_module_info(struct net_device *dev,
1710                                    struct ethtool_modinfo *modinfo)
1711 {
1712         struct mlx4_en_priv *priv = netdev_priv(dev);
1713         struct mlx4_en_dev *mdev = priv->mdev;
1714         int ret;
1715         u8 data[4];
1716
1717         /* Read first 2 bytes to get Module & REV ID */
1718         ret = mlx4_get_module_info(mdev->dev, priv->port,
1719                                    0/*offset*/, 2/*size*/, data);
1720         if (ret < 2)
1721                 return -EIO;
1722
1723         switch (data[0] /* identifier */) {
1724         case MLX4_MODULE_ID_QSFP:
1725                 modinfo->type = ETH_MODULE_SFF_8436;
1726                 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
1727                 break;
1728         case MLX4_MODULE_ID_QSFP_PLUS:
1729                 if (data[1] >= 0x3) { /* revision id */
1730                         modinfo->type = ETH_MODULE_SFF_8636;
1731                         modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
1732                 } else {
1733                         modinfo->type = ETH_MODULE_SFF_8436;
1734                         modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
1735                 }
1736                 break;
1737         case MLX4_MODULE_ID_QSFP28:
1738                 modinfo->type = ETH_MODULE_SFF_8636;
1739                 modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
1740                 break;
1741         case MLX4_MODULE_ID_SFP:
1742                 modinfo->type = ETH_MODULE_SFF_8472;
1743                 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
1744                 break;
1745         default:
1746                 return -ENOSYS;
1747         }
1748
1749         return 0;
1750 }
1751
1752 static int mlx4_en_get_module_eeprom(struct net_device *dev,
1753                                      struct ethtool_eeprom *ee,
1754                                      u8 *data)
1755 {
1756         struct mlx4_en_priv *priv = netdev_priv(dev);
1757         struct mlx4_en_dev *mdev = priv->mdev;
1758         int offset = ee->offset;
1759         int i = 0, ret;
1760
1761         if (ee->len == 0)
1762                 return -EINVAL;
1763
1764         memset(data, 0, ee->len);
1765
1766         while (i < ee->len) {
1767                 en_dbg(DRV, priv,
1768                        "mlx4_get_module_info i(%d) offset(%d) len(%d)\n",
1769                        i, offset, ee->len - i);
1770
1771                 ret = mlx4_get_module_info(mdev->dev, priv->port,
1772                                            offset, ee->len - i, data + i);
1773
1774                 if (!ret) /* Done reading */
1775                         return 0;
1776
1777                 if (ret < 0) {
1778                         en_err(priv,
1779                                "mlx4_get_module_info i(%d) offset(%d) bytes_to_read(%d) - FAILED (0x%x)\n",
1780                                i, offset, ee->len - i, ret);
1781                         return 0;
1782                 }
1783
1784                 i += ret;
1785                 offset += ret;
1786         }
1787         return 0;
1788 }
1789
1790 const struct ethtool_ops mlx4_en_ethtool_ops = {
1791         .get_drvinfo = mlx4_en_get_drvinfo,
1792         .get_settings = mlx4_en_get_settings,
1793         .set_settings = mlx4_en_set_settings,
1794         .get_link = ethtool_op_get_link,
1795         .get_strings = mlx4_en_get_strings,
1796         .get_sset_count = mlx4_en_get_sset_count,
1797         .get_ethtool_stats = mlx4_en_get_ethtool_stats,
1798         .self_test = mlx4_en_self_test,
1799         .get_wol = mlx4_en_get_wol,
1800         .set_wol = mlx4_en_set_wol,
1801         .get_msglevel = mlx4_en_get_msglevel,
1802         .set_msglevel = mlx4_en_set_msglevel,
1803         .get_coalesce = mlx4_en_get_coalesce,
1804         .set_coalesce = mlx4_en_set_coalesce,
1805         .get_pauseparam = mlx4_en_get_pauseparam,
1806         .set_pauseparam = mlx4_en_set_pauseparam,
1807         .get_ringparam = mlx4_en_get_ringparam,
1808         .set_ringparam = mlx4_en_set_ringparam,
1809         .get_rxnfc = mlx4_en_get_rxnfc,
1810         .set_rxnfc = mlx4_en_set_rxnfc,
1811         .get_rxfh_indir_size = mlx4_en_get_rxfh_indir_size,
1812         .get_rxfh_key_size = mlx4_en_get_rxfh_key_size,
1813         .get_rxfh = mlx4_en_get_rxfh,
1814         .set_rxfh = mlx4_en_set_rxfh,
1815         .get_channels = mlx4_en_get_channels,
1816         .set_channels = mlx4_en_set_channels,
1817         .get_ts_info = mlx4_en_get_ts_info,
1818         .set_priv_flags = mlx4_en_set_priv_flags,
1819         .get_priv_flags = mlx4_en_get_priv_flags,
1820         .get_tunable            = mlx4_en_get_tunable,
1821         .set_tunable            = mlx4_en_set_tunable,
1822         .get_module_info = mlx4_en_get_module_info,
1823         .get_module_eeprom = mlx4_en_get_module_eeprom
1824 };
1825
1826
1827
1828
1829