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 = 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_check_rxfh_func(struct net_device *dev, u8 hfunc)
 982 {
 983         struct mlx4_en_priv *priv = netdev_priv(dev);
 984
 985         /* check if requested function is supported by the device */
 986         if ((hfunc == ETH_RSS_HASH_TOP &&
 987              !(priv->mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_RSS_TOP)) ||
 988             (hfunc == ETH_RSS_HASH_XOR &&
 989              !(priv->mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_RSS_XOR)))
 990                 return -EINVAL;
 991
 992         priv->rss_hash_fn = hfunc;
 993         if (hfunc == ETH_RSS_HASH_TOP && !(dev->features & NETIF_F_RXHASH))
 994                 en_warn(priv,
 995                         "Toeplitz hash function should be used in conjunction with RX hashing for optimal performance\n");
 996         if (hfunc == ETH_RSS_HASH_XOR && (dev->features & NETIF_F_RXHASH))
 997                 en_warn(priv,
 998                         "Enabling both XOR Hash function and RX Hashing can limit RPS functionality\n");
 999         return 0;
1000 }
1001
1002 static int mlx4_en_get_rxfh(struct net_device *dev, u32 *ring_index, u8 *key,
1003                             u8 *hfunc)
1004 {
1005         struct mlx4_en_priv *priv = netdev_priv(dev);
1006         struct mlx4_en_rss_map *rss_map = &priv->rss_map;
1007         int rss_rings;
1008         size_t n = priv->rx_ring_num;
1009         int err = 0;
1010
1011         rss_rings = priv->prof->rss_rings ?: priv->rx_ring_num;
1012         rss_rings = 1 << ilog2(rss_rings);
1013
1014         while (n--) {
1015                 if (!ring_index)
1016                         break;
1017                 ring_index[n] = rss_map->qps[n % rss_rings].qpn -
1018                         rss_map->base_qpn;
1019         }
1020         if (key)
1021                 memcpy(key, priv->rss_key, MLX4_EN_RSS_KEY_SIZE);
1022         if (hfunc)
1023                 *hfunc = priv->rss_hash_fn;
1024         return err;
1025 }
1026
1027 static int mlx4_en_set_rxfh(struct net_device *dev, const u32 *ring_index,
1028                             const u8 *key, const u8 hfunc)
1029 {
1030         struct mlx4_en_priv *priv = netdev_priv(dev);
1031         struct mlx4_en_dev *mdev = priv->mdev;
1032         int port_up = 0;
1033         int err = 0;
1034         int i;
1035         int rss_rings = 0;
1036
1037         /* Calculate RSS table size and make sure flows are spread evenly
1038          * between rings
1039          */
1040         for (i = 0; i < priv->rx_ring_num; i++) {
1041                 if (!ring_index)
1042                         continue;
1043                 if (i > 0 && !ring_index[i] && !rss_rings)
1044                         rss_rings = i;
1045
1046                 if (ring_index[i] != (i % (rss_rings ?: priv->rx_ring_num)))
1047                         return -EINVAL;
1048         }
1049
1050         if (!rss_rings)
1051                 rss_rings = priv->rx_ring_num;
1052
1053         /* RSS table size must be an order of 2 */
1054         if (!is_power_of_2(rss_rings))
1055                 return -EINVAL;
1056
1057         if (hfunc != ETH_RSS_HASH_NO_CHANGE) {
1058                 err = mlx4_en_check_rxfh_func(dev, hfunc);
1059                 if (err)
1060                         return err;
1061         }
1062
1063         mutex_lock(&mdev->state_lock);
1064         if (priv->port_up) {
1065                 port_up = 1;
1066                 mlx4_en_stop_port(dev, 1);
1067         }
1068
1069         if (ring_index)
1070                 priv->prof->rss_rings = rss_rings;
1071         if (key)
1072                 memcpy(priv->rss_key, key, MLX4_EN_RSS_KEY_SIZE);
1073
1074         if (port_up) {
1075                 err = mlx4_en_start_port(dev);
1076                 if (err)
1077                         en_err(priv, "Failed starting port\n");
1078         }
1079
1080         mutex_unlock(&mdev->state_lock);
1081         return err;
1082 }
1083
1084 #define all_zeros_or_all_ones(field)            \
1085         ((field) == 0 || (field) == (__force typeof(field))-1)
1086
1087 static int mlx4_en_validate_flow(struct net_device *dev,
1088                                  struct ethtool_rxnfc *cmd)
1089 {
1090         struct ethtool_usrip4_spec *l3_mask;
1091         struct ethtool_tcpip4_spec *l4_mask;
1092         struct ethhdr *eth_mask;
1093
1094         if (cmd->fs.location >= MAX_NUM_OF_FS_RULES)
1095                 return -EINVAL;
1096
1097         if (cmd->fs.flow_type & FLOW_MAC_EXT) {
1098                 /* dest mac mask must be ff:ff:ff:ff:ff:ff */
1099                 if (!is_broadcast_ether_addr(cmd->fs.m_ext.h_dest))
1100                         return -EINVAL;
1101         }
1102
1103         switch (cmd->fs.flow_type & ~(FLOW_EXT | FLOW_MAC_EXT)) {
1104         case TCP_V4_FLOW:
1105         case UDP_V4_FLOW:
1106                 if (cmd->fs.m_u.tcp_ip4_spec.tos)
1107                         return -EINVAL;
1108                 l4_mask = &cmd->fs.m_u.tcp_ip4_spec;
1109                 /* don't allow mask which isn't all 0 or 1 */
1110                 if (!all_zeros_or_all_ones(l4_mask->ip4src) ||
1111                     !all_zeros_or_all_ones(l4_mask->ip4dst) ||
1112                     !all_zeros_or_all_ones(l4_mask->psrc) ||
1113                     !all_zeros_or_all_ones(l4_mask->pdst))
1114                         return -EINVAL;
1115                 break;
1116         case IP_USER_FLOW:
1117                 l3_mask = &cmd->fs.m_u.usr_ip4_spec;
1118                 if (l3_mask->l4_4_bytes || l3_mask->tos || l3_mask->proto ||
1119                     cmd->fs.h_u.usr_ip4_spec.ip_ver != ETH_RX_NFC_IP4 ||
1120                     (!l3_mask->ip4src && !l3_mask->ip4dst) ||
1121                     !all_zeros_or_all_ones(l3_mask->ip4src) ||
1122                     !all_zeros_or_all_ones(l3_mask->ip4dst))
1123                         return -EINVAL;
1124                 break;
1125         case ETHER_FLOW:
1126                 eth_mask = &cmd->fs.m_u.ether_spec;
1127                 /* source mac mask must not be set */
1128                 if (!is_zero_ether_addr(eth_mask->h_source))
1129                         return -EINVAL;
1130
1131                 /* dest mac mask must be ff:ff:ff:ff:ff:ff */
1132                 if (!is_broadcast_ether_addr(eth_mask->h_dest))
1133                         return -EINVAL;
1134
1135                 if (!all_zeros_or_all_ones(eth_mask->h_proto))
1136                         return -EINVAL;
1137                 break;
1138         default:
1139                 return -EINVAL;
1140         }
1141
1142         if ((cmd->fs.flow_type & FLOW_EXT)) {
1143                 if (cmd->fs.m_ext.vlan_etype ||
1144                     !((cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK)) ==
1145                       0 ||
1146                       (cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK)) ==
1147                       cpu_to_be16(VLAN_VID_MASK)))
1148                         return -EINVAL;
1149
1150                 if (cmd->fs.m_ext.vlan_tci) {
1151                         if (be16_to_cpu(cmd->fs.h_ext.vlan_tci) >= VLAN_N_VID)
1152                                 return -EINVAL;
1153
1154                 }
1155         }
1156
1157         return 0;
1158 }
1159
1160 static int mlx4_en_ethtool_add_mac_rule(struct ethtool_rxnfc *cmd,
1161                                         struct list_head *rule_list_h,
1162                                         struct mlx4_spec_list *spec_l2,
1163                                         unsigned char *mac)
1164 {
1165         int err = 0;
1166         __be64 mac_msk = cpu_to_be64(MLX4_MAC_MASK << 16);
1167
1168         spec_l2->id = MLX4_NET_TRANS_RULE_ID_ETH;
1169         memcpy(spec_l2->eth.dst_mac_msk, &mac_msk, ETH_ALEN);
1170         memcpy(spec_l2->eth.dst_mac, mac, ETH_ALEN);
1171
1172         if ((cmd->fs.flow_type & FLOW_EXT) &&
1173             (cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK))) {
1174                 spec_l2->eth.vlan_id = cmd->fs.h_ext.vlan_tci;
1175                 spec_l2->eth.vlan_id_msk = cpu_to_be16(VLAN_VID_MASK);
1176         }
1177
1178         list_add_tail(&spec_l2->list, rule_list_h);
1179
1180         return err;
1181 }
1182
1183 static int mlx4_en_ethtool_add_mac_rule_by_ipv4(struct mlx4_en_priv *priv,
1184                                                 struct ethtool_rxnfc *cmd,
1185                                                 struct list_head *rule_list_h,
1186                                                 struct mlx4_spec_list *spec_l2,
1187                                                 __be32 ipv4_dst)
1188 {
1189 #ifdef CONFIG_INET
1190         unsigned char mac[ETH_ALEN];
1191
1192         if (!ipv4_is_multicast(ipv4_dst)) {
1193                 if (cmd->fs.flow_type & FLOW_MAC_EXT)
1194                         memcpy(&mac, cmd->fs.h_ext.h_dest, ETH_ALEN);
1195                 else
1196                         memcpy(&mac, priv->dev->dev_addr, ETH_ALEN);
1197         } else {
1198                 ip_eth_mc_map(ipv4_dst, mac);
1199         }
1200
1201         return mlx4_en_ethtool_add_mac_rule(cmd, rule_list_h, spec_l2, &mac[0]);
1202 #else
1203         return -EINVAL;
1204 #endif
1205 }
1206
1207 static int add_ip_rule(struct mlx4_en_priv *priv,
1208                        struct ethtool_rxnfc *cmd,
1209                        struct list_head *list_h)
1210 {
1211         int err;
1212         struct mlx4_spec_list *spec_l2 = NULL;
1213         struct mlx4_spec_list *spec_l3 = NULL;
1214         struct ethtool_usrip4_spec *l3_mask = &cmd->fs.m_u.usr_ip4_spec;
1215
1216         spec_l3 = kzalloc(sizeof(*spec_l3), GFP_KERNEL);
1217         spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL);
1218         if (!spec_l2 || !spec_l3) {
1219                 err = -ENOMEM;
1220                 goto free_spec;
1221         }
1222
1223         err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h, spec_l2,
1224                                                    cmd->fs.h_u.
1225                                                    usr_ip4_spec.ip4dst);
1226         if (err)
1227                 goto free_spec;
1228         spec_l3->id = MLX4_NET_TRANS_RULE_ID_IPV4;
1229         spec_l3->ipv4.src_ip = cmd->fs.h_u.usr_ip4_spec.ip4src;
1230         if (l3_mask->ip4src)
1231                 spec_l3->ipv4.src_ip_msk = EN_ETHTOOL_WORD_MASK;
1232         spec_l3->ipv4.dst_ip = cmd->fs.h_u.usr_ip4_spec.ip4dst;
1233         if (l3_mask->ip4dst)
1234                 spec_l3->ipv4.dst_ip_msk = EN_ETHTOOL_WORD_MASK;
1235         list_add_tail(&spec_l3->list, list_h);
1236
1237         return 0;
1238
1239 free_spec:
1240         kfree(spec_l2);
1241         kfree(spec_l3);
1242         return err;
1243 }
1244
1245 static int add_tcp_udp_rule(struct mlx4_en_priv *priv,
1246                              struct ethtool_rxnfc *cmd,
1247                              struct list_head *list_h, int proto)
1248 {
1249         int err;
1250         struct mlx4_spec_list *spec_l2 = NULL;
1251         struct mlx4_spec_list *spec_l3 = NULL;
1252         struct mlx4_spec_list *spec_l4 = NULL;
1253         struct ethtool_tcpip4_spec *l4_mask = &cmd->fs.m_u.tcp_ip4_spec;
1254
1255         spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL);
1256         spec_l3 = kzalloc(sizeof(*spec_l3), GFP_KERNEL);
1257         spec_l4 = kzalloc(sizeof(*spec_l4), GFP_KERNEL);
1258         if (!spec_l2 || !spec_l3 || !spec_l4) {
1259                 err = -ENOMEM;
1260                 goto free_spec;
1261         }
1262
1263         spec_l3->id = MLX4_NET_TRANS_RULE_ID_IPV4;
1264
1265         if (proto == TCP_V4_FLOW) {
1266                 err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h,
1267                                                            spec_l2,
1268                                                            cmd->fs.h_u.
1269                                                            tcp_ip4_spec.ip4dst);
1270                 if (err)
1271                         goto free_spec;
1272                 spec_l4->id = MLX4_NET_TRANS_RULE_ID_TCP;
1273                 spec_l3->ipv4.src_ip = cmd->fs.h_u.tcp_ip4_spec.ip4src;
1274                 spec_l3->ipv4.dst_ip = cmd->fs.h_u.tcp_ip4_spec.ip4dst;
1275                 spec_l4->tcp_udp.src_port = cmd->fs.h_u.tcp_ip4_spec.psrc;
1276                 spec_l4->tcp_udp.dst_port = cmd->fs.h_u.tcp_ip4_spec.pdst;
1277         } else {
1278                 err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h,
1279                                                            spec_l2,
1280                                                            cmd->fs.h_u.
1281                                                            udp_ip4_spec.ip4dst);
1282                 if (err)
1283                         goto free_spec;
1284                 spec_l4->id = MLX4_NET_TRANS_RULE_ID_UDP;
1285                 spec_l3->ipv4.src_ip = cmd->fs.h_u.udp_ip4_spec.ip4src;
1286                 spec_l3->ipv4.dst_ip = cmd->fs.h_u.udp_ip4_spec.ip4dst;
1287                 spec_l4->tcp_udp.src_port = cmd->fs.h_u.udp_ip4_spec.psrc;
1288                 spec_l4->tcp_udp.dst_port = cmd->fs.h_u.udp_ip4_spec.pdst;
1289         }
1290
1291         if (l4_mask->ip4src)
1292                 spec_l3->ipv4.src_ip_msk = EN_ETHTOOL_WORD_MASK;
1293         if (l4_mask->ip4dst)
1294                 spec_l3->ipv4.dst_ip_msk = EN_ETHTOOL_WORD_MASK;
1295
1296         if (l4_mask->psrc)
1297                 spec_l4->tcp_udp.src_port_msk = EN_ETHTOOL_SHORT_MASK;
1298         if (l4_mask->pdst)
1299                 spec_l4->tcp_udp.dst_port_msk = EN_ETHTOOL_SHORT_MASK;
1300
1301         list_add_tail(&spec_l3->list, list_h);
1302         list_add_tail(&spec_l4->list, list_h);
1303
1304         return 0;
1305
1306 free_spec:
1307         kfree(spec_l2);
1308         kfree(spec_l3);
1309         kfree(spec_l4);
1310         return err;
1311 }
1312
1313 static int mlx4_en_ethtool_to_net_trans_rule(struct net_device *dev,
1314                                              struct ethtool_rxnfc *cmd,
1315                                              struct list_head *rule_list_h)
1316 {
1317         int err;
1318         struct ethhdr *eth_spec;
1319         struct mlx4_spec_list *spec_l2;
1320         struct mlx4_en_priv *priv = netdev_priv(dev);
1321
1322         err = mlx4_en_validate_flow(dev, cmd);
1323         if (err)
1324                 return err;
1325
1326         switch (cmd->fs.flow_type & ~(FLOW_EXT | FLOW_MAC_EXT)) {
1327         case ETHER_FLOW:
1328                 spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL);
1329                 if (!spec_l2)
1330                         return -ENOMEM;
1331
1332                 eth_spec = &cmd->fs.h_u.ether_spec;
1333                 mlx4_en_ethtool_add_mac_rule(cmd, rule_list_h, spec_l2,
1334                                              &eth_spec->h_dest[0]);
1335                 spec_l2->eth.ether_type = eth_spec->h_proto;
1336                 if (eth_spec->h_proto)
1337                         spec_l2->eth.ether_type_enable = 1;
1338                 break;
1339         case IP_USER_FLOW:
1340                 err = add_ip_rule(priv, cmd, rule_list_h);
1341                 break;
1342         case TCP_V4_FLOW:
1343                 err = add_tcp_udp_rule(priv, cmd, rule_list_h, TCP_V4_FLOW);
1344                 break;
1345         case UDP_V4_FLOW:
1346                 err = add_tcp_udp_rule(priv, cmd, rule_list_h, UDP_V4_FLOW);
1347                 break;
1348         }
1349
1350         return err;
1351 }
1352
1353 static int mlx4_en_flow_replace(struct net_device *dev,
1354                                 struct ethtool_rxnfc *cmd)
1355 {
1356         int err;
1357         struct mlx4_en_priv *priv = netdev_priv(dev);
1358         struct ethtool_flow_id *loc_rule;
1359         struct mlx4_spec_list *spec, *tmp_spec;
1360         u32 qpn;
1361         u64 reg_id;
1362
1363         struct mlx4_net_trans_rule rule = {
1364                 .queue_mode = MLX4_NET_TRANS_Q_FIFO,
1365                 .exclusive = 0,
1366                 .allow_loopback = 1,
1367                 .promisc_mode = MLX4_FS_REGULAR,
1368         };
1369
1370         rule.port = priv->port;
1371         rule.priority = MLX4_DOMAIN_ETHTOOL | cmd->fs.location;
1372         INIT_LIST_HEAD(&rule.list);
1373
1374         /* Allow direct QP attaches if the EN_ETHTOOL_QP_ATTACH flag is set */
1375         if (cmd->fs.ring_cookie == RX_CLS_FLOW_DISC)
1376                 qpn = priv->drop_qp.qpn;
1377         else if (cmd->fs.ring_cookie & EN_ETHTOOL_QP_ATTACH) {
1378                 qpn = cmd->fs.ring_cookie & (EN_ETHTOOL_QP_ATTACH - 1);
1379         } else {
1380                 if (cmd->fs.ring_cookie >= priv->rx_ring_num) {
1381                         en_warn(priv, "rxnfc: RX ring (%llu) doesn't exist\n",
1382                                 cmd->fs.ring_cookie);
1383                         return -EINVAL;
1384                 }
1385                 qpn = priv->rss_map.qps[cmd->fs.ring_cookie].qpn;
1386                 if (!qpn) {
1387                         en_warn(priv, "rxnfc: RX ring (%llu) is inactive\n",
1388                                 cmd->fs.ring_cookie);
1389                         return -EINVAL;
1390                 }
1391         }
1392         rule.qpn = qpn;
1393         err = mlx4_en_ethtool_to_net_trans_rule(dev, cmd, &rule.list);
1394         if (err)
1395                 goto out_free_list;
1396
1397         loc_rule = &priv->ethtool_rules[cmd->fs.location];
1398         if (loc_rule->id) {
1399                 err = mlx4_flow_detach(priv->mdev->dev, loc_rule->id);
1400                 if (err) {
1401                         en_err(priv, "Fail to detach network rule at location %d. registration id = %llx\n",
1402                                cmd->fs.location, loc_rule->id);
1403                         goto out_free_list;
1404                 }
1405                 loc_rule->id = 0;
1406                 memset(&loc_rule->flow_spec, 0,
1407                        sizeof(struct ethtool_rx_flow_spec));
1408                 list_del(&loc_rule->list);
1409         }
1410         err = mlx4_flow_attach(priv->mdev->dev, &rule, &reg_id);
1411         if (err) {
1412                 en_err(priv, "Fail to attach network rule at location %d\n",
1413                        cmd->fs.location);
1414                 goto out_free_list;
1415         }
1416         loc_rule->id = reg_id;
1417         memcpy(&loc_rule->flow_spec, &cmd->fs,
1418                sizeof(struct ethtool_rx_flow_spec));
1419         list_add_tail(&loc_rule->list, &priv->ethtool_list);
1420
1421 out_free_list:
1422         list_for_each_entry_safe(spec, tmp_spec, &rule.list, list) {
1423                 list_del(&spec->list);
1424                 kfree(spec);
1425         }
1426         return err;
1427 }
1428
1429 static int mlx4_en_flow_detach(struct net_device *dev,
1430                                struct ethtool_rxnfc *cmd)
1431 {
1432         int err = 0;
1433         struct ethtool_flow_id *rule;
1434         struct mlx4_en_priv *priv = netdev_priv(dev);
1435
1436         if (cmd->fs.location >= MAX_NUM_OF_FS_RULES)
1437                 return -EINVAL;
1438
1439         rule = &priv->ethtool_rules[cmd->fs.location];
1440         if (!rule->id) {
1441                 err =  -ENOENT;
1442                 goto out;
1443         }
1444
1445         err = mlx4_flow_detach(priv->mdev->dev, rule->id);
1446         if (err) {
1447                 en_err(priv, "Fail to detach network rule at location %d. registration id = 0x%llx\n",
1448                        cmd->fs.location, rule->id);
1449                 goto out;
1450         }
1451         rule->id = 0;
1452         memset(&rule->flow_spec, 0, sizeof(struct ethtool_rx_flow_spec));
1453         list_del(&rule->list);
1454 out:
1455         return err;
1456
1457 }
1458
1459 static int mlx4_en_get_flow(struct net_device *dev, struct ethtool_rxnfc *cmd,
1460                             int loc)
1461 {
1462         int err = 0;
1463         struct ethtool_flow_id *rule;
1464         struct mlx4_en_priv *priv = netdev_priv(dev);
1465
1466         if (loc < 0 || loc >= MAX_NUM_OF_FS_RULES)
1467                 return -EINVAL;
1468
1469         rule = &priv->ethtool_rules[loc];
1470         if (rule->id)
1471                 memcpy(&cmd->fs, &rule->flow_spec,
1472                        sizeof(struct ethtool_rx_flow_spec));
1473         else
1474                 err = -ENOENT;
1475
1476         return err;
1477 }
1478
1479 static int mlx4_en_get_num_flows(struct mlx4_en_priv *priv)
1480 {
1481
1482         int i, res = 0;
1483         for (i = 0; i < MAX_NUM_OF_FS_RULES; i++) {
1484                 if (priv->ethtool_rules[i].id)
1485                         res++;
1486         }
1487         return res;
1488
1489 }
1490
1491 static int mlx4_en_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
1492                              u32 *rule_locs)
1493 {
1494         struct mlx4_en_priv *priv = netdev_priv(dev);
1495         struct mlx4_en_dev *mdev = priv->mdev;
1496         int err = 0;
1497         int i = 0, priority = 0;
1498
1499         if ((cmd->cmd == ETHTOOL_GRXCLSRLCNT ||
1500              cmd->cmd == ETHTOOL_GRXCLSRULE ||
1501              cmd->cmd == ETHTOOL_GRXCLSRLALL) &&
1502             (mdev->dev->caps.steering_mode !=
1503              MLX4_STEERING_MODE_DEVICE_MANAGED || !priv->port_up))
1504                 return -EINVAL;
1505
1506         switch (cmd->cmd) {
1507         case ETHTOOL_GRXRINGS:
1508                 cmd->data = priv->rx_ring_num;
1509                 break;
1510         case ETHTOOL_GRXCLSRLCNT:
1511                 cmd->rule_cnt = mlx4_en_get_num_flows(priv);
1512                 break;
1513         case ETHTOOL_GRXCLSRULE:
1514                 err = mlx4_en_get_flow(dev, cmd, cmd->fs.location);
1515                 break;
1516         case ETHTOOL_GRXCLSRLALL:
1517                 while ((!err || err == -ENOENT) && priority < cmd->rule_cnt) {
1518                         err = mlx4_en_get_flow(dev, cmd, i);
1519                         if (!err)
1520                                 rule_locs[priority++] = i;
1521                         i++;
1522                 }
1523                 err = 0;
1524                 break;
1525         default:
1526                 err = -EOPNOTSUPP;
1527                 break;
1528         }
1529
1530         return err;
1531 }
1532
1533 static int mlx4_en_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
1534 {
1535         int err = 0;
1536         struct mlx4_en_priv *priv = netdev_priv(dev);
1537         struct mlx4_en_dev *mdev = priv->mdev;
1538
1539         if (mdev->dev->caps.steering_mode !=
1540             MLX4_STEERING_MODE_DEVICE_MANAGED || !priv->port_up)
1541                 return -EINVAL;
1542
1543         switch (cmd->cmd) {
1544         case ETHTOOL_SRXCLSRLINS:
1545                 err = mlx4_en_flow_replace(dev, cmd);
1546                 break;
1547         case ETHTOOL_SRXCLSRLDEL:
1548                 err = mlx4_en_flow_detach(dev, cmd);
1549                 break;
1550         default:
1551                 en_warn(priv, "Unsupported ethtool command. (%d)\n", cmd->cmd);
1552                 return -EINVAL;
1553         }
1554
1555         return err;
1556 }
1557
1558 static void mlx4_en_get_channels(struct net_device *dev,
1559                                  struct ethtool_channels *channel)
1560 {
1561         struct mlx4_en_priv *priv = netdev_priv(dev);
1562
1563         memset(channel, 0, sizeof(*channel));
1564
1565         channel->max_rx = MAX_RX_RINGS;
1566         channel->max_tx = MLX4_EN_MAX_TX_RING_P_UP;
1567
1568         channel->rx_count = priv->rx_ring_num;
1569         channel->tx_count = priv->tx_ring_num / MLX4_EN_NUM_UP;
1570 }
1571
1572 static int mlx4_en_set_channels(struct net_device *dev,
1573                                 struct ethtool_channels *channel)
1574 {
1575         struct mlx4_en_priv *priv = netdev_priv(dev);
1576         struct mlx4_en_dev *mdev = priv->mdev;
1577         int port_up = 0;
1578         int err = 0;
1579
1580         if (channel->other_count || channel->combined_count ||
1581             channel->tx_count > MLX4_EN_MAX_TX_RING_P_UP ||
1582             channel->rx_count > MAX_RX_RINGS ||
1583             !channel->tx_count || !channel->rx_count)
1584                 return -EINVAL;
1585
1586         mutex_lock(&mdev->state_lock);
1587         if (priv->port_up) {
1588                 port_up = 1;
1589                 mlx4_en_stop_port(dev, 1);
1590         }
1591
1592         mlx4_en_free_resources(priv);
1593
1594         priv->num_tx_rings_p_up = channel->tx_count;
1595         priv->tx_ring_num = channel->tx_count * MLX4_EN_NUM_UP;
1596         priv->rx_ring_num = channel->rx_count;
1597
1598         err = mlx4_en_alloc_resources(priv);
1599         if (err) {
1600                 en_err(priv, "Failed reallocating port resources\n");
1601                 goto out;
1602         }
1603
1604         netif_set_real_num_tx_queues(dev, priv->tx_ring_num);
1605         netif_set_real_num_rx_queues(dev, priv->rx_ring_num);
1606
1607         if (dev->num_tc)
1608                 mlx4_en_setup_tc(dev, MLX4_EN_NUM_UP);
1609
1610         en_warn(priv, "Using %d TX rings\n", priv->tx_ring_num);
1611         en_warn(priv, "Using %d RX rings\n", priv->rx_ring_num);
1612
1613         if (port_up) {
1614                 err = mlx4_en_start_port(dev);
1615                 if (err)
1616                         en_err(priv, "Failed starting port\n");
1617         }
1618
1619         err = mlx4_en_moderation_update(priv);
1620
1621 out:
1622         mutex_unlock(&mdev->state_lock);
1623         return err;
1624 }
1625
1626 static int mlx4_en_get_ts_info(struct net_device *dev,
1627                                struct ethtool_ts_info *info)
1628 {
1629         struct mlx4_en_priv *priv = netdev_priv(dev);
1630         struct mlx4_en_dev *mdev = priv->mdev;
1631         int ret;
1632
1633         ret = ethtool_op_get_ts_info(dev, info);
1634         if (ret)
1635                 return ret;
1636
1637         if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS) {
1638                 info->so_timestamping |=
1639                         SOF_TIMESTAMPING_TX_HARDWARE |
1640                         SOF_TIMESTAMPING_RX_HARDWARE |
1641                         SOF_TIMESTAMPING_RAW_HARDWARE;
1642
1643                 info->tx_types =
1644                         (1 << HWTSTAMP_TX_OFF) |
1645                         (1 << HWTSTAMP_TX_ON);
1646
1647                 info->rx_filters =
1648                         (1 << HWTSTAMP_FILTER_NONE) |
1649                         (1 << HWTSTAMP_FILTER_ALL);
1650
1651                 if (mdev->ptp_clock)
1652                         info->phc_index = ptp_clock_index(mdev->ptp_clock);
1653         }
1654
1655         return ret;
1656 }
1657
1658 static int mlx4_en_set_priv_flags(struct net_device *dev, u32 flags)
1659 {
1660         struct mlx4_en_priv *priv = netdev_priv(dev);
1661         bool bf_enabled_new = !!(flags & MLX4_EN_PRIV_FLAGS_BLUEFLAME);
1662         bool bf_enabled_old = !!(priv->pflags & MLX4_EN_PRIV_FLAGS_BLUEFLAME);
1663         int i;
1664
1665         if (bf_enabled_new == bf_enabled_old)
1666                 return 0; /* Nothing to do */
1667
1668         if (bf_enabled_new) {
1669                 bool bf_supported = true;
1670
1671                 for (i = 0; i < priv->tx_ring_num; i++)
1672                         bf_supported &= priv->tx_ring[i]->bf_alloced;
1673
1674                 if (!bf_supported) {
1675                         en_err(priv, "BlueFlame is not supported\n");
1676                         return -EINVAL;
1677                 }
1678
1679                 priv->pflags |= MLX4_EN_PRIV_FLAGS_BLUEFLAME;
1680         } else {
1681                 priv->pflags &= ~MLX4_EN_PRIV_FLAGS_BLUEFLAME;
1682         }
1683
1684         for (i = 0; i < priv->tx_ring_num; i++)
1685                 priv->tx_ring[i]->bf_enabled = bf_enabled_new;
1686
1687         en_info(priv, "BlueFlame %s\n",
1688                 bf_enabled_new ?  "Enabled" : "Disabled");
1689
1690         return 0;
1691 }
1692
1693 static u32 mlx4_en_get_priv_flags(struct net_device *dev)
1694 {
1695         struct mlx4_en_priv *priv = netdev_priv(dev);
1696
1697         return priv->pflags;
1698 }
1699
1700 static int mlx4_en_get_tunable(struct net_device *dev,
1701                                const struct ethtool_tunable *tuna,
1702                                void *data)
1703 {
1704         const struct mlx4_en_priv *priv = netdev_priv(dev);
1705         int ret = 0;
1706
1707         switch (tuna->id) {
1708         case ETHTOOL_TX_COPYBREAK:
1709                 *(u32 *)data = priv->prof->inline_thold;
1710                 break;
1711         default:
1712                 ret = -EINVAL;
1713                 break;
1714         }
1715
1716         return ret;
1717 }
1718
1719 static int mlx4_en_set_tunable(struct net_device *dev,
1720                                const struct ethtool_tunable *tuna,
1721                                const void *data)
1722 {
1723         struct mlx4_en_priv *priv = netdev_priv(dev);
1724         int val, ret = 0;
1725
1726         switch (tuna->id) {
1727         case ETHTOOL_TX_COPYBREAK:
1728                 val = *(u32 *)data;
1729                 if (val < MIN_PKT_LEN || val > MAX_INLINE)
1730                         ret = -EINVAL;
1731                 else
1732                         priv->prof->inline_thold = val;
1733                 break;
1734         default:
1735                 ret = -EINVAL;
1736                 break;
1737         }
1738
1739         return ret;
1740 }
1741
1742 static int mlx4_en_get_module_info(struct net_device *dev,
1743                                    struct ethtool_modinfo *modinfo)
1744 {
1745         struct mlx4_en_priv *priv = netdev_priv(dev);
1746         struct mlx4_en_dev *mdev = priv->mdev;
1747         int ret;
1748         u8 data[4];
1749
1750         /* Read first 2 bytes to get Module & REV ID */
1751         ret = mlx4_get_module_info(mdev->dev, priv->port,
1752                                    0/*offset*/, 2/*size*/, data);
1753         if (ret < 2)
1754                 return -EIO;
1755
1756         switch (data[0] /* identifier */) {
1757         case MLX4_MODULE_ID_QSFP:
1758                 modinfo->type = ETH_MODULE_SFF_8436;
1759                 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
1760                 break;
1761         case MLX4_MODULE_ID_QSFP_PLUS:
1762                 if (data[1] >= 0x3) { /* revision id */
1763                         modinfo->type = ETH_MODULE_SFF_8636;
1764                         modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
1765                 } else {
1766                         modinfo->type = ETH_MODULE_SFF_8436;
1767                         modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
1768                 }
1769                 break;
1770         case MLX4_MODULE_ID_QSFP28:
1771                 modinfo->type = ETH_MODULE_SFF_8636;
1772                 modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
1773                 break;
1774         case MLX4_MODULE_ID_SFP:
1775                 modinfo->type = ETH_MODULE_SFF_8472;
1776                 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
1777                 break;
1778         default:
1779                 return -ENOSYS;
1780         }
1781
1782         return 0;
1783 }
1784
1785 static int mlx4_en_get_module_eeprom(struct net_device *dev,
1786                                      struct ethtool_eeprom *ee,
1787                                      u8 *data)
1788 {
1789         struct mlx4_en_priv *priv = netdev_priv(dev);
1790         struct mlx4_en_dev *mdev = priv->mdev;
1791         int offset = ee->offset;
1792         int i = 0, ret;
1793
1794         if (ee->len == 0)
1795                 return -EINVAL;
1796
1797         memset(data, 0, ee->len);
1798
1799         while (i < ee->len) {
1800                 en_dbg(DRV, priv,
1801                        "mlx4_get_module_info i(%d) offset(%d) len(%d)\n",
1802                        i, offset, ee->len - i);
1803
1804                 ret = mlx4_get_module_info(mdev->dev, priv->port,
1805                                            offset, ee->len - i, data + i);
1806
1807                 if (!ret) /* Done reading */
1808                         return 0;
1809
1810                 if (ret < 0) {
1811                         en_err(priv,
1812                                "mlx4_get_module_info i(%d) offset(%d) bytes_to_read(%d) - FAILED (0x%x)\n",
1813                                i, offset, ee->len - i, ret);
1814                         return 0;
1815                 }
1816
1817                 i += ret;
1818                 offset += ret;
1819         }
1820         return 0;
1821 }
1822
1823 const struct ethtool_ops mlx4_en_ethtool_ops = {
1824         .get_drvinfo = mlx4_en_get_drvinfo,
1825         .get_settings = mlx4_en_get_settings,
1826         .set_settings = mlx4_en_set_settings,
1827         .get_link = ethtool_op_get_link,
1828         .get_strings = mlx4_en_get_strings,
1829         .get_sset_count = mlx4_en_get_sset_count,
1830         .get_ethtool_stats = mlx4_en_get_ethtool_stats,
1831         .self_test = mlx4_en_self_test,
1832         .get_wol = mlx4_en_get_wol,
1833         .set_wol = mlx4_en_set_wol,
1834         .get_msglevel = mlx4_en_get_msglevel,
1835         .set_msglevel = mlx4_en_set_msglevel,
1836         .get_coalesce = mlx4_en_get_coalesce,
1837         .set_coalesce = mlx4_en_set_coalesce,
1838         .get_pauseparam = mlx4_en_get_pauseparam,
1839         .set_pauseparam = mlx4_en_set_pauseparam,
1840         .get_ringparam = mlx4_en_get_ringparam,
1841         .set_ringparam = mlx4_en_set_ringparam,
1842         .get_rxnfc = mlx4_en_get_rxnfc,
1843         .set_rxnfc = mlx4_en_set_rxnfc,
1844         .get_rxfh_indir_size = mlx4_en_get_rxfh_indir_size,
1845         .get_rxfh_key_size = mlx4_en_get_rxfh_key_size,
1846         .get_rxfh = mlx4_en_get_rxfh,
1847         .set_rxfh = mlx4_en_set_rxfh,
1848         .get_channels = mlx4_en_get_channels,
1849         .set_channels = mlx4_en_set_channels,
1850         .get_ts_info = mlx4_en_get_ts_info,
1851         .set_priv_flags = mlx4_en_set_priv_flags,
1852         .get_priv_flags = mlx4_en_get_priv_flags,
1853         .get_tunable            = mlx4_en_get_tunable,
1854         .set_tunable            = mlx4_en_set_tunable,
1855         .get_module_info = mlx4_en_get_module_info,
1856         .get_module_eeprom = mlx4_en_get_module_eeprom
1857 };
1858
1859
1860
1861
1862