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 #include <linux/bitmap.h>
  42
  43 #include "mlx4_en.h"
  44 #include "en_port.h"
  45
  46 #define EN_ETHTOOL_QP_ATTACH (1ull << 63)
  47 #define EN_ETHTOOL_SHORT_MASK cpu_to_be16(0xffff)
  48 #define EN_ETHTOOL_WORD_MASK  cpu_to_be32(0xffffffff)
  49
  50 static int mlx4_en_moderation_update(struct mlx4_en_priv *priv)
  51 {
  52         int i, t;
  53         int err = 0;
  54
  55         for (t = 0 ; t < MLX4_EN_NUM_TX_TYPES; t++) {
  56                 for (i = 0; i < priv->tx_ring_num[t]; i++) {
  57                         priv->tx_cq[t][i]->moder_cnt = priv->tx_frames;
  58                         priv->tx_cq[t][i]->moder_time = priv->tx_usecs;
  59                         if (priv->port_up) {
  60                                 err = mlx4_en_set_cq_moder(priv,
  61                                                            priv->tx_cq[t][i]);
  62                                 if (err)
  63                                         return err;
  64                         }
  65                 }
  66         }
  67
  68         if (priv->adaptive_rx_coal)
  69                 return 0;
  70
  71         for (i = 0; i < priv->rx_ring_num; i++) {
  72                 priv->rx_cq[i]->moder_cnt = priv->rx_frames;
  73                 priv->rx_cq[i]->moder_time = priv->rx_usecs;
  74                 priv->last_moder_time[i] = MLX4_EN_AUTO_CONF;
  75                 if (priv->port_up) {
  76                         err = mlx4_en_set_cq_moder(priv, priv->rx_cq[i]);
  77                         if (err)
  78                                 return err;
  79                 }
  80         }
  81
  82         return err;
  83 }
  84
  85 static void
  86 mlx4_en_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo)
  87 {
  88         struct mlx4_en_priv *priv = netdev_priv(dev);
  89         struct mlx4_en_dev *mdev = priv->mdev;
  90
  91         strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
  92         strlcpy(drvinfo->version, DRV_VERSION,
  93                 sizeof(drvinfo->version));
  94         snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
  95                 "%d.%d.%d",
  96                 (u16) (mdev->dev->caps.fw_ver >> 32),
  97                 (u16) ((mdev->dev->caps.fw_ver >> 16) & 0xffff),
  98                 (u16) (mdev->dev->caps.fw_ver & 0xffff));
  99         strlcpy(drvinfo->bus_info, pci_name(mdev->dev->persist->pdev),
 100                 sizeof(drvinfo->bus_info));
 101 }
 102
 103 static const char mlx4_en_priv_flags[][ETH_GSTRING_LEN] = {
 104         "blueflame",
 105         "phv-bit"
 106 };
 107
 108 static const char main_strings[][ETH_GSTRING_LEN] = {
 109         /* main statistics */
 110         "rx_packets", "tx_packets", "rx_bytes", "tx_bytes", "rx_errors",
 111         "tx_errors", "rx_dropped", "tx_dropped", "multicast", "collisions",
 112         "rx_length_errors", "rx_over_errors", "rx_crc_errors",
 113         "rx_frame_errors", "rx_fifo_errors", "rx_missed_errors",
 114         "tx_aborted_errors", "tx_carrier_errors", "tx_fifo_errors",
 115         "tx_heartbeat_errors", "tx_window_errors",
 116
 117         /* port statistics */
 118         "tso_packets",
 119         "xmit_more",
 120         "queue_stopped", "wake_queue", "tx_timeout", "rx_alloc_pages",
 121         "rx_csum_good", "rx_csum_none", "rx_csum_complete", "tx_chksum_offload",
 122
 123         /* pf statistics */
 124         "pf_rx_packets",
 125         "pf_rx_bytes",
 126         "pf_tx_packets",
 127         "pf_tx_bytes",
 128
 129         /* priority flow control statistics rx */
 130         "rx_pause_prio_0", "rx_pause_duration_prio_0",
 131         "rx_pause_transition_prio_0",
 132         "rx_pause_prio_1", "rx_pause_duration_prio_1",
 133         "rx_pause_transition_prio_1",
 134         "rx_pause_prio_2", "rx_pause_duration_prio_2",
 135         "rx_pause_transition_prio_2",
 136         "rx_pause_prio_3", "rx_pause_duration_prio_3",
 137         "rx_pause_transition_prio_3",
 138         "rx_pause_prio_4", "rx_pause_duration_prio_4",
 139         "rx_pause_transition_prio_4",
 140         "rx_pause_prio_5", "rx_pause_duration_prio_5",
 141         "rx_pause_transition_prio_5",
 142         "rx_pause_prio_6", "rx_pause_duration_prio_6",
 143         "rx_pause_transition_prio_6",
 144         "rx_pause_prio_7", "rx_pause_duration_prio_7",
 145         "rx_pause_transition_prio_7",
 146
 147         /* flow control statistics rx */
 148         "rx_pause", "rx_pause_duration", "rx_pause_transition",
 149
 150         /* priority flow control statistics tx */
 151         "tx_pause_prio_0", "tx_pause_duration_prio_0",
 152         "tx_pause_transition_prio_0",
 153         "tx_pause_prio_1", "tx_pause_duration_prio_1",
 154         "tx_pause_transition_prio_1",
 155         "tx_pause_prio_2", "tx_pause_duration_prio_2",
 156         "tx_pause_transition_prio_2",
 157         "tx_pause_prio_3", "tx_pause_duration_prio_3",
 158         "tx_pause_transition_prio_3",
 159         "tx_pause_prio_4", "tx_pause_duration_prio_4",
 160         "tx_pause_transition_prio_4",
 161         "tx_pause_prio_5", "tx_pause_duration_prio_5",
 162         "tx_pause_transition_prio_5",
 163         "tx_pause_prio_6", "tx_pause_duration_prio_6",
 164         "tx_pause_transition_prio_6",
 165         "tx_pause_prio_7", "tx_pause_duration_prio_7",
 166         "tx_pause_transition_prio_7",
 167
 168         /* flow control statistics tx */
 169         "tx_pause", "tx_pause_duration", "tx_pause_transition",
 170
 171         /* packet statistics */
 172         "rx_multicast_packets",
 173         "rx_broadcast_packets",
 174         "rx_jabbers",
 175         "rx_in_range_length_error",
 176         "rx_out_range_length_error",
 177         "tx_multicast_packets",
 178         "tx_broadcast_packets",
 179         "rx_prio_0_packets", "rx_prio_0_bytes",
 180         "rx_prio_1_packets", "rx_prio_1_bytes",
 181         "rx_prio_2_packets", "rx_prio_2_bytes",
 182         "rx_prio_3_packets", "rx_prio_3_bytes",
 183         "rx_prio_4_packets", "rx_prio_4_bytes",
 184         "rx_prio_5_packets", "rx_prio_5_bytes",
 185         "rx_prio_6_packets", "rx_prio_6_bytes",
 186         "rx_prio_7_packets", "rx_prio_7_bytes",
 187         "rx_novlan_packets", "rx_novlan_bytes",
 188         "tx_prio_0_packets", "tx_prio_0_bytes",
 189         "tx_prio_1_packets", "tx_prio_1_bytes",
 190         "tx_prio_2_packets", "tx_prio_2_bytes",
 191         "tx_prio_3_packets", "tx_prio_3_bytes",
 192         "tx_prio_4_packets", "tx_prio_4_bytes",
 193         "tx_prio_5_packets", "tx_prio_5_bytes",
 194         "tx_prio_6_packets", "tx_prio_6_bytes",
 195         "tx_prio_7_packets", "tx_prio_7_bytes",
 196         "tx_novlan_packets", "tx_novlan_bytes",
 197
 198         /* xdp statistics */
 199         "rx_xdp_drop",
 200         "rx_xdp_tx",
 201         "rx_xdp_tx_full",
 202 };
 203
 204 static const char mlx4_en_test_names[][ETH_GSTRING_LEN]= {
 205         "Interrupt Test",
 206         "Link Test",
 207         "Speed Test",
 208         "Register Test",
 209         "Loopback Test",
 210 };
 211
 212 static u32 mlx4_en_get_msglevel(struct net_device *dev)
 213 {
 214         return ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable;
 215 }
 216
 217 static void mlx4_en_set_msglevel(struct net_device *dev, u32 val)
 218 {
 219         ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable = val;
 220 }
 221
 222 static void mlx4_en_get_wol(struct net_device *netdev,
 223                             struct ethtool_wolinfo *wol)
 224 {
 225         struct mlx4_en_priv *priv = netdev_priv(netdev);
 226         struct mlx4_caps *caps = &priv->mdev->dev->caps;
 227         int err = 0;
 228         u64 config = 0;
 229         u64 mask;
 230
 231         if ((priv->port < 1) || (priv->port > 2)) {
 232                 en_err(priv, "Failed to get WoL information\n");
 233                 return;
 234         }
 235
 236         mask = (priv->port == 1) ? MLX4_DEV_CAP_FLAG_WOL_PORT1 :
 237                 MLX4_DEV_CAP_FLAG_WOL_PORT2;
 238
 239         if (!(caps->flags & mask)) {
 240                 wol->supported = 0;
 241                 wol->wolopts = 0;
 242                 return;
 243         }
 244
 245         if (caps->wol_port[priv->port])
 246                 wol->supported = WAKE_MAGIC;
 247         else
 248                 wol->supported = 0;
 249
 250         err = mlx4_wol_read(priv->mdev->dev, &config, priv->port);
 251         if (err) {
 252                 en_err(priv, "Failed to get WoL information\n");
 253                 return;
 254         }
 255
 256         if ((config & MLX4_EN_WOL_ENABLED) && (config & MLX4_EN_WOL_MAGIC))
 257                 wol->wolopts = WAKE_MAGIC;
 258         else
 259                 wol->wolopts = 0;
 260 }
 261
 262 static int mlx4_en_set_wol(struct net_device *netdev,
 263                             struct ethtool_wolinfo *wol)
 264 {
 265         struct mlx4_en_priv *priv = netdev_priv(netdev);
 266         u64 config = 0;
 267         int err = 0;
 268         u64 mask;
 269
 270         if ((priv->port < 1) || (priv->port > 2))
 271                 return -EOPNOTSUPP;
 272
 273         mask = (priv->port == 1) ? MLX4_DEV_CAP_FLAG_WOL_PORT1 :
 274                 MLX4_DEV_CAP_FLAG_WOL_PORT2;
 275
 276         if (!(priv->mdev->dev->caps.flags & mask))
 277                 return -EOPNOTSUPP;
 278
 279         if (wol->supported & ~WAKE_MAGIC)
 280                 return -EINVAL;
 281
 282         err = mlx4_wol_read(priv->mdev->dev, &config, priv->port);
 283         if (err) {
 284                 en_err(priv, "Failed to get WoL info, unable to modify\n");
 285                 return err;
 286         }
 287
 288         if (wol->wolopts & WAKE_MAGIC) {
 289                 config |= MLX4_EN_WOL_DO_MODIFY | MLX4_EN_WOL_ENABLED |
 290                                 MLX4_EN_WOL_MAGIC;
 291         } else {
 292                 config &= ~(MLX4_EN_WOL_ENABLED | MLX4_EN_WOL_MAGIC);
 293                 config |= MLX4_EN_WOL_DO_MODIFY;
 294         }
 295
 296         err = mlx4_wol_write(priv->mdev->dev, config, priv->port);
 297         if (err)
 298                 en_err(priv, "Failed to set WoL information\n");
 299
 300         return err;
 301 }
 302
 303 struct bitmap_iterator {
 304         unsigned long *stats_bitmap;
 305         unsigned int count;
 306         unsigned int iterator;
 307         bool advance_array; /* if set, force no increments */
 308 };
 309
 310 static inline void bitmap_iterator_init(struct bitmap_iterator *h,
 311                                         unsigned long *stats_bitmap,
 312                                         int count)
 313 {
 314         h->iterator = 0;
 315         h->advance_array = !bitmap_empty(stats_bitmap, count);
 316         h->count = h->advance_array ? bitmap_weight(stats_bitmap, count)
 317                 : count;
 318         h->stats_bitmap = stats_bitmap;
 319 }
 320
 321 static inline int bitmap_iterator_test(struct bitmap_iterator *h)
 322 {
 323         return !h->advance_array ? 1 : test_bit(h->iterator, h->stats_bitmap);
 324 }
 325
 326 static inline int bitmap_iterator_inc(struct bitmap_iterator *h)
 327 {
 328         return h->iterator++;
 329 }
 330
 331 static inline unsigned int
 332 bitmap_iterator_count(struct bitmap_iterator *h)
 333 {
 334         return h->count;
 335 }
 336
 337 static int mlx4_en_get_sset_count(struct net_device *dev, int sset)
 338 {
 339         struct mlx4_en_priv *priv = netdev_priv(dev);
 340         struct bitmap_iterator it;
 341
 342         bitmap_iterator_init(&it, priv->stats_bitmap.bitmap, NUM_ALL_STATS);
 343
 344         switch (sset) {
 345         case ETH_SS_STATS:
 346                 return bitmap_iterator_count(&it) +
 347                         (priv->tx_ring_num[TX] * 2) +
 348                         (priv->rx_ring_num * (3 + NUM_XDP_STATS));
 349         case ETH_SS_TEST:
 350                 return MLX4_EN_NUM_SELF_TEST - !(priv->mdev->dev->caps.flags
 351                                         & MLX4_DEV_CAP_FLAG_UC_LOOPBACK) * 2;
 352         case ETH_SS_PRIV_FLAGS:
 353                 return ARRAY_SIZE(mlx4_en_priv_flags);
 354         default:
 355                 return -EOPNOTSUPP;
 356         }
 357 }
 358
 359 static void mlx4_en_get_ethtool_stats(struct net_device *dev,
 360                 struct ethtool_stats *stats, uint64_t *data)
 361 {
 362         struct mlx4_en_priv *priv = netdev_priv(dev);
 363         int index = 0;
 364         int i;
 365         struct bitmap_iterator it;
 366
 367         bitmap_iterator_init(&it, priv->stats_bitmap.bitmap, NUM_ALL_STATS);
 368
 369         spin_lock_bh(&priv->stats_lock);
 370
 371         mlx4_en_fold_software_stats(dev);
 372
 373         for (i = 0; i < NUM_MAIN_STATS; i++, bitmap_iterator_inc(&it))
 374                 if (bitmap_iterator_test(&it))
 375                         data[index++] = ((unsigned long *)&dev->stats)[i];
 376
 377         for (i = 0; i < NUM_PORT_STATS; i++, bitmap_iterator_inc(&it))
 378                 if (bitmap_iterator_test(&it))
 379                         data[index++] = ((unsigned long *)&priv->port_stats)[i];
 380
 381         for (i = 0; i < NUM_PF_STATS; i++, bitmap_iterator_inc(&it))
 382                 if (bitmap_iterator_test(&it))
 383                         data[index++] =
 384                                 ((unsigned long *)&priv->pf_stats)[i];
 385
 386         for (i = 0; i < NUM_FLOW_PRIORITY_STATS_RX;
 387              i++, bitmap_iterator_inc(&it))
 388                 if (bitmap_iterator_test(&it))
 389                         data[index++] =
 390                                 ((u64 *)&priv->rx_priority_flowstats)[i];
 391
 392         for (i = 0; i < NUM_FLOW_STATS_RX; i++, bitmap_iterator_inc(&it))
 393                 if (bitmap_iterator_test(&it))
 394                         data[index++] = ((u64 *)&priv->rx_flowstats)[i];
 395
 396         for (i = 0; i < NUM_FLOW_PRIORITY_STATS_TX;
 397              i++, bitmap_iterator_inc(&it))
 398                 if (bitmap_iterator_test(&it))
 399                         data[index++] =
 400                                 ((u64 *)&priv->tx_priority_flowstats)[i];
 401
 402         for (i = 0; i < NUM_FLOW_STATS_TX; i++, bitmap_iterator_inc(&it))
 403                 if (bitmap_iterator_test(&it))
 404                         data[index++] = ((u64 *)&priv->tx_flowstats)[i];
 405
 406         for (i = 0; i < NUM_PKT_STATS; i++, bitmap_iterator_inc(&it))
 407                 if (bitmap_iterator_test(&it))
 408                         data[index++] = ((unsigned long *)&priv->pkstats)[i];
 409
 410         for (i = 0; i < NUM_XDP_STATS; i++, bitmap_iterator_inc(&it))
 411                 if (bitmap_iterator_test(&it))
 412                         data[index++] = ((unsigned long *)&priv->xdp_stats)[i];
 413
 414         for (i = 0; i < priv->tx_ring_num[TX]; i++) {
 415                 data[index++] = priv->tx_ring[TX][i]->packets;
 416                 data[index++] = priv->tx_ring[TX][i]->bytes;
 417         }
 418         for (i = 0; i < priv->rx_ring_num; i++) {
 419                 data[index++] = priv->rx_ring[i]->packets;
 420                 data[index++] = priv->rx_ring[i]->bytes;
 421                 data[index++] = priv->rx_ring[i]->dropped;
 422                 data[index++] = priv->rx_ring[i]->xdp_drop;
 423                 data[index++] = priv->rx_ring[i]->xdp_tx;
 424                 data[index++] = priv->rx_ring[i]->xdp_tx_full;
 425         }
 426         spin_unlock_bh(&priv->stats_lock);
 427
 428 }
 429
 430 static void mlx4_en_self_test(struct net_device *dev,
 431                               struct ethtool_test *etest, u64 *buf)
 432 {
 433         mlx4_en_ex_selftest(dev, &etest->flags, buf);
 434 }
 435
 436 static void mlx4_en_get_strings(struct net_device *dev,
 437                                 uint32_t stringset, uint8_t *data)
 438 {
 439         struct mlx4_en_priv *priv = netdev_priv(dev);
 440         int index = 0;
 441         int i, strings = 0;
 442         struct bitmap_iterator it;
 443
 444         bitmap_iterator_init(&it, priv->stats_bitmap.bitmap, NUM_ALL_STATS);
 445
 446         switch (stringset) {
 447         case ETH_SS_TEST:
 448                 for (i = 0; i < MLX4_EN_NUM_SELF_TEST - 2; i++)
 449                         strcpy(data + i * ETH_GSTRING_LEN, mlx4_en_test_names[i]);
 450                 if (priv->mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_UC_LOOPBACK)
 451                         for (; i < MLX4_EN_NUM_SELF_TEST; i++)
 452                                 strcpy(data + i * ETH_GSTRING_LEN, mlx4_en_test_names[i]);
 453                 break;
 454
 455         case ETH_SS_STATS:
 456                 /* Add main counters */
 457                 for (i = 0; i < NUM_MAIN_STATS; i++, strings++,
 458                      bitmap_iterator_inc(&it))
 459                         if (bitmap_iterator_test(&it))
 460                                 strcpy(data + (index++) * ETH_GSTRING_LEN,
 461                                        main_strings[strings]);
 462
 463                 for (i = 0; i < NUM_PORT_STATS; i++, strings++,
 464                      bitmap_iterator_inc(&it))
 465                         if (bitmap_iterator_test(&it))
 466                                 strcpy(data + (index++) * ETH_GSTRING_LEN,
 467                                        main_strings[strings]);
 468
 469                 for (i = 0; i < NUM_PF_STATS; i++, strings++,
 470                      bitmap_iterator_inc(&it))
 471                         if (bitmap_iterator_test(&it))
 472                                 strcpy(data + (index++) * ETH_GSTRING_LEN,
 473                                        main_strings[strings]);
 474
 475                 for (i = 0; i < NUM_FLOW_STATS; i++, strings++,
 476                      bitmap_iterator_inc(&it))
 477                         if (bitmap_iterator_test(&it))
 478                                 strcpy(data + (index++) * ETH_GSTRING_LEN,
 479                                        main_strings[strings]);
 480
 481                 for (i = 0; i < NUM_PKT_STATS; i++, strings++,
 482                      bitmap_iterator_inc(&it))
 483                         if (bitmap_iterator_test(&it))
 484                                 strcpy(data + (index++) * ETH_GSTRING_LEN,
 485                                        main_strings[strings]);
 486
 487                 for (i = 0; i < NUM_XDP_STATS; i++, strings++,
 488                      bitmap_iterator_inc(&it))
 489                         if (bitmap_iterator_test(&it))
 490                                 strcpy(data + (index++) * ETH_GSTRING_LEN,
 491                                        main_strings[strings]);
 492
 493                 for (i = 0; i < priv->tx_ring_num[TX]; i++) {
 494                         sprintf(data + (index++) * ETH_GSTRING_LEN,
 495                                 "tx%d_packets", i);
 496                         sprintf(data + (index++) * ETH_GSTRING_LEN,
 497                                 "tx%d_bytes", i);
 498                 }
 499                 for (i = 0; i < priv->rx_ring_num; i++) {
 500                         sprintf(data + (index++) * ETH_GSTRING_LEN,
 501                                 "rx%d_packets", i);
 502                         sprintf(data + (index++) * ETH_GSTRING_LEN,
 503                                 "rx%d_bytes", i);
 504                         sprintf(data + (index++) * ETH_GSTRING_LEN,
 505                                 "rx%d_dropped", i);
 506                         sprintf(data + (index++) * ETH_GSTRING_LEN,
 507                                 "rx%d_xdp_drop", i);
 508                         sprintf(data + (index++) * ETH_GSTRING_LEN,
 509                                 "rx%d_xdp_tx", i);
 510                         sprintf(data + (index++) * ETH_GSTRING_LEN,
 511                                 "rx%d_xdp_tx_full", i);
 512                 }
 513                 break;
 514         case ETH_SS_PRIV_FLAGS:
 515                 for (i = 0; i < ARRAY_SIZE(mlx4_en_priv_flags); i++)
 516                         strcpy(data + i * ETH_GSTRING_LEN,
 517                                mlx4_en_priv_flags[i]);
 518                 break;
 519
 520         }
 521 }
 522
 523 static u32 mlx4_en_autoneg_get(struct net_device *dev)
 524 {
 525         struct mlx4_en_priv *priv = netdev_priv(dev);
 526         struct mlx4_en_dev *mdev = priv->mdev;
 527         u32 autoneg = AUTONEG_DISABLE;
 528
 529         if ((mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ETH_BACKPL_AN_REP) &&
 530             (priv->port_state.flags & MLX4_EN_PORT_ANE))
 531                 autoneg = AUTONEG_ENABLE;
 532
 533         return autoneg;
 534 }
 535
 536 static void ptys2ethtool_update_supported_port(unsigned long *mask,
 537                                                struct mlx4_ptys_reg *ptys_reg)
 538 {
 539         u32 eth_proto = be32_to_cpu(ptys_reg->eth_proto_cap);
 540
 541         if (eth_proto & (MLX4_PROT_MASK(MLX4_10GBASE_T)
 542                          | MLX4_PROT_MASK(MLX4_1000BASE_T)
 543                          | MLX4_PROT_MASK(MLX4_100BASE_TX))) {
 544                 __set_bit(ETHTOOL_LINK_MODE_TP_BIT, mask);
 545         } else if (eth_proto & (MLX4_PROT_MASK(MLX4_10GBASE_CR)
 546                          | MLX4_PROT_MASK(MLX4_10GBASE_SR)
 547                          | MLX4_PROT_MASK(MLX4_56GBASE_SR4)
 548                          | MLX4_PROT_MASK(MLX4_40GBASE_CR4)
 549                          | MLX4_PROT_MASK(MLX4_40GBASE_SR4)
 550                          | MLX4_PROT_MASK(MLX4_1000BASE_CX_SGMII))) {
 551                 __set_bit(ETHTOOL_LINK_MODE_FIBRE_BIT, mask);
 552         } else if (eth_proto & (MLX4_PROT_MASK(MLX4_56GBASE_KR4)
 553                          | MLX4_PROT_MASK(MLX4_40GBASE_KR4)
 554                          | MLX4_PROT_MASK(MLX4_20GBASE_KR2)
 555                          | MLX4_PROT_MASK(MLX4_10GBASE_KR)
 556                          | MLX4_PROT_MASK(MLX4_10GBASE_KX4)
 557                          | MLX4_PROT_MASK(MLX4_1000BASE_KX))) {
 558                 __set_bit(ETHTOOL_LINK_MODE_Backplane_BIT, mask);
 559         }
 560 }
 561
 562 static u32 ptys_get_active_port(struct mlx4_ptys_reg *ptys_reg)
 563 {
 564         u32 eth_proto = be32_to_cpu(ptys_reg->eth_proto_oper);
 565
 566         if (!eth_proto) /* link down */
 567                 eth_proto = be32_to_cpu(ptys_reg->eth_proto_cap);
 568
 569         if (eth_proto & (MLX4_PROT_MASK(MLX4_10GBASE_T)
 570                          | MLX4_PROT_MASK(MLX4_1000BASE_T)
 571                          | MLX4_PROT_MASK(MLX4_100BASE_TX))) {
 572                         return PORT_TP;
 573         }
 574
 575         if (eth_proto & (MLX4_PROT_MASK(MLX4_10GBASE_SR)
 576                          | MLX4_PROT_MASK(MLX4_56GBASE_SR4)
 577                          | MLX4_PROT_MASK(MLX4_40GBASE_SR4)
 578                          | MLX4_PROT_MASK(MLX4_1000BASE_CX_SGMII))) {
 579                         return PORT_FIBRE;
 580         }
 581
 582         if (eth_proto & (MLX4_PROT_MASK(MLX4_10GBASE_CR)
 583                          | MLX4_PROT_MASK(MLX4_56GBASE_CR4)
 584                          | MLX4_PROT_MASK(MLX4_40GBASE_CR4))) {
 585                         return PORT_DA;
 586         }
 587
 588         if (eth_proto & (MLX4_PROT_MASK(MLX4_56GBASE_KR4)
 589                          | MLX4_PROT_MASK(MLX4_40GBASE_KR4)
 590                          | MLX4_PROT_MASK(MLX4_20GBASE_KR2)
 591                          | MLX4_PROT_MASK(MLX4_10GBASE_KR)
 592                          | MLX4_PROT_MASK(MLX4_10GBASE_KX4)
 593                          | MLX4_PROT_MASK(MLX4_1000BASE_KX))) {
 594                         return PORT_NONE;
 595         }
 596         return PORT_OTHER;
 597 }
 598
 599 #define MLX4_LINK_MODES_SZ \
 600         (FIELD_SIZEOF(struct mlx4_ptys_reg, eth_proto_cap) * 8)
 601
 602 enum ethtool_report {
 603         SUPPORTED = 0,
 604         ADVERTISED = 1,
 605 };
 606
 607 struct ptys2ethtool_config {
 608         __ETHTOOL_DECLARE_LINK_MODE_MASK(supported);
 609         __ETHTOOL_DECLARE_LINK_MODE_MASK(advertised);
 610         u32 speed;
 611 };
 612
 613 static unsigned long *ptys2ethtool_link_mode(struct ptys2ethtool_config *cfg,
 614                                              enum ethtool_report report)
 615 {
 616         switch (report) {
 617         case SUPPORTED:
 618                 return cfg->supported;
 619         case ADVERTISED:
 620                 return cfg->advertised;
 621         }
 622         return NULL;
 623 }
 624
 625 #define MLX4_BUILD_PTYS2ETHTOOL_CONFIG(reg_, speed_, ...)               \
 626         ({                                                              \
 627                 struct ptys2ethtool_config *cfg;                        \
 628                 const unsigned int modes[] = { __VA_ARGS__ };           \
 629                 unsigned int i;                                         \
 630                 cfg = &ptys2ethtool_map[reg_];                          \
 631                 cfg->speed = speed_;                                    \
 632                 bitmap_zero(cfg->supported,                             \
 633                             __ETHTOOL_LINK_MODE_MASK_NBITS);            \
 634                 bitmap_zero(cfg->advertised,                            \
 635                             __ETHTOOL_LINK_MODE_MASK_NBITS);            \
 636                 for (i = 0 ; i < ARRAY_SIZE(modes) ; ++i) {             \
 637                         __set_bit(modes[i], cfg->supported);            \
 638                         __set_bit(modes[i], cfg->advertised);           \
 639                 }                                                       \
 640         })
 641
 642 /* Translates mlx4 link mode to equivalent ethtool Link modes/speed */
 643 static struct ptys2ethtool_config ptys2ethtool_map[MLX4_LINK_MODES_SZ];
 644
 645 void __init mlx4_en_init_ptys2ethtool_map(void)
 646 {
 647         MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_100BASE_TX, SPEED_100,
 648                                        ETHTOOL_LINK_MODE_100baseT_Full_BIT);
 649         MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_1000BASE_T, SPEED_1000,
 650                                        ETHTOOL_LINK_MODE_1000baseT_Full_BIT);
 651         MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_1000BASE_CX_SGMII, SPEED_1000,
 652                                        ETHTOOL_LINK_MODE_1000baseKX_Full_BIT);
 653         MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_1000BASE_KX, SPEED_1000,
 654                                        ETHTOOL_LINK_MODE_1000baseKX_Full_BIT);
 655         MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_10GBASE_T, SPEED_10000,
 656                                        ETHTOOL_LINK_MODE_10000baseT_Full_BIT);
 657         MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_10GBASE_CX4, SPEED_10000,
 658                                        ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT);
 659         MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_10GBASE_KX4, SPEED_10000,
 660                                        ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT);
 661         MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_10GBASE_KR, SPEED_10000,
 662                                        ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
 663         MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_10GBASE_CR, SPEED_10000,
 664                                        ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
 665         MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_10GBASE_SR, SPEED_10000,
 666                                        ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
 667         MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_20GBASE_KR2, SPEED_20000,
 668                                        ETHTOOL_LINK_MODE_20000baseMLD2_Full_BIT,
 669                                        ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT);
 670         MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_40GBASE_CR4, SPEED_40000,
 671                                        ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT);
 672         MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_40GBASE_KR4, SPEED_40000,
 673                                        ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT);
 674         MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_40GBASE_SR4, SPEED_40000,
 675                                        ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT);
 676         MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_56GBASE_KR4, SPEED_56000,
 677                                        ETHTOOL_LINK_MODE_56000baseKR4_Full_BIT);
 678         MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_56GBASE_CR4, SPEED_56000,
 679                                        ETHTOOL_LINK_MODE_56000baseCR4_Full_BIT);
 680         MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_56GBASE_SR4, SPEED_56000,
 681                                        ETHTOOL_LINK_MODE_56000baseSR4_Full_BIT);
 682 };
 683
 684 static void ptys2ethtool_update_link_modes(unsigned long *link_modes,
 685                                            u32 eth_proto,
 686                                            enum ethtool_report report)
 687 {
 688         int i;
 689         for (i = 0; i < MLX4_LINK_MODES_SZ; i++) {
 690                 if (eth_proto & MLX4_PROT_MASK(i))
 691                         bitmap_or(link_modes, link_modes,
 692                                   ptys2ethtool_link_mode(&ptys2ethtool_map[i],
 693                                                          report),
 694                                   __ETHTOOL_LINK_MODE_MASK_NBITS);
 695         }
 696 }
 697
 698 static u32 ethtool2ptys_link_modes(const unsigned long *link_modes,
 699                                    enum ethtool_report report)
 700 {
 701         int i;
 702         u32 ptys_modes = 0;
 703
 704         for (i = 0; i < MLX4_LINK_MODES_SZ; i++) {
 705                 if (bitmap_intersects(
 706                             ptys2ethtool_link_mode(&ptys2ethtool_map[i],
 707                                                    report),
 708                             link_modes,
 709                             __ETHTOOL_LINK_MODE_MASK_NBITS))
 710                         ptys_modes |= 1 << i;
 711         }
 712         return ptys_modes;
 713 }
 714
 715 /* Convert actual speed (SPEED_XXX) to ptys link modes */
 716 static u32 speed2ptys_link_modes(u32 speed)
 717 {
 718         int i;
 719         u32 ptys_modes = 0;
 720
 721         for (i = 0; i < MLX4_LINK_MODES_SZ; i++) {
 722                 if (ptys2ethtool_map[i].speed == speed)
 723                         ptys_modes |= 1 << i;
 724         }
 725         return ptys_modes;
 726 }
 727
 728 static int
 729 ethtool_get_ptys_link_ksettings(struct net_device *dev,
 730                                 struct ethtool_link_ksettings *link_ksettings)
 731 {
 732         struct mlx4_en_priv *priv = netdev_priv(dev);
 733         struct mlx4_ptys_reg ptys_reg;
 734         u32 eth_proto;
 735         int ret;
 736
 737         memset(&ptys_reg, 0, sizeof(ptys_reg));
 738         ptys_reg.local_port = priv->port;
 739         ptys_reg.proto_mask = MLX4_PTYS_EN;
 740         ret = mlx4_ACCESS_PTYS_REG(priv->mdev->dev,
 741                                    MLX4_ACCESS_REG_QUERY, &ptys_reg);
 742         if (ret) {
 743                 en_warn(priv, "Failed to run mlx4_ACCESS_PTYS_REG status(%x)",
 744                         ret);
 745                 return ret;
 746         }
 747         en_dbg(DRV, priv, "ptys_reg.proto_mask       %x\n",
 748                ptys_reg.proto_mask);
 749         en_dbg(DRV, priv, "ptys_reg.eth_proto_cap    %x\n",
 750                be32_to_cpu(ptys_reg.eth_proto_cap));
 751         en_dbg(DRV, priv, "ptys_reg.eth_proto_admin  %x\n",
 752                be32_to_cpu(ptys_reg.eth_proto_admin));
 753         en_dbg(DRV, priv, "ptys_reg.eth_proto_oper   %x\n",
 754                be32_to_cpu(ptys_reg.eth_proto_oper));
 755         en_dbg(DRV, priv, "ptys_reg.eth_proto_lp_adv %x\n",
 756                be32_to_cpu(ptys_reg.eth_proto_lp_adv));
 757
 758         /* reset supported/advertising masks */
 759         ethtool_link_ksettings_zero_link_mode(link_ksettings, supported);
 760         ethtool_link_ksettings_zero_link_mode(link_ksettings, advertising);
 761
 762         ptys2ethtool_update_supported_port(link_ksettings->link_modes.supported,
 763                                            &ptys_reg);
 764
 765         eth_proto = be32_to_cpu(ptys_reg.eth_proto_cap);
 766         ptys2ethtool_update_link_modes(link_ksettings->link_modes.supported,
 767                                        eth_proto, SUPPORTED);
 768
 769         eth_proto = be32_to_cpu(ptys_reg.eth_proto_admin);
 770         ptys2ethtool_update_link_modes(link_ksettings->link_modes.advertising,
 771                                        eth_proto, ADVERTISED);
 772
 773         ethtool_link_ksettings_add_link_mode(link_ksettings, supported,
 774                                              Pause);
 775         ethtool_link_ksettings_add_link_mode(link_ksettings, supported,
 776                                              Asym_Pause);
 777
 778         if (priv->prof->tx_pause)
 779                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 780                                                      advertising, Pause);
 781         if (priv->prof->tx_pause ^ priv->prof->rx_pause)
 782                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 783                                                      advertising, Asym_Pause);
 784
 785         link_ksettings->base.port = ptys_get_active_port(&ptys_reg);
 786
 787         if (mlx4_en_autoneg_get(dev)) {
 788                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 789                                                      supported, Autoneg);
 790                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 791                                                      advertising, Autoneg);
 792         }
 793
 794         link_ksettings->base.autoneg
 795                 = (priv->port_state.flags & MLX4_EN_PORT_ANC) ?
 796                 AUTONEG_ENABLE : AUTONEG_DISABLE;
 797
 798         eth_proto = be32_to_cpu(ptys_reg.eth_proto_lp_adv);
 799
 800         ethtool_link_ksettings_zero_link_mode(link_ksettings, lp_advertising);
 801         ptys2ethtool_update_link_modes(
 802                 link_ksettings->link_modes.lp_advertising,
 803                 eth_proto, ADVERTISED);
 804         if (priv->port_state.flags & MLX4_EN_PORT_ANC)
 805                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 806                                                      lp_advertising, Autoneg);
 807
 808         link_ksettings->base.phy_address = 0;
 809         link_ksettings->base.mdio_support = 0;
 810         link_ksettings->base.eth_tp_mdix = ETH_TP_MDI_INVALID;
 811         link_ksettings->base.eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
 812
 813         return ret;
 814 }
 815
 816 static void
 817 ethtool_get_default_link_ksettings(
 818         struct net_device *dev, struct ethtool_link_ksettings *link_ksettings)
 819 {
 820         struct mlx4_en_priv *priv = netdev_priv(dev);
 821         int trans_type;
 822
 823         link_ksettings->base.autoneg = AUTONEG_DISABLE;
 824
 825         ethtool_link_ksettings_zero_link_mode(link_ksettings, supported);
 826         ethtool_link_ksettings_add_link_mode(link_ksettings, supported,
 827                                              10000baseT_Full);
 828
 829         ethtool_link_ksettings_zero_link_mode(link_ksettings, advertising);
 830         ethtool_link_ksettings_add_link_mode(link_ksettings, advertising,
 831                                              10000baseT_Full);
 832
 833         trans_type = priv->port_state.transceiver;
 834         if (trans_type > 0 && trans_type <= 0xC) {
 835                 link_ksettings->base.port = PORT_FIBRE;
 836                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 837                                                      supported, FIBRE);
 838                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 839                                                      advertising, FIBRE);
 840         } else if (trans_type == 0x80 || trans_type == 0) {
 841                 link_ksettings->base.port = PORT_TP;
 842                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 843                                                      supported, TP);
 844                 ethtool_link_ksettings_add_link_mode(link_ksettings,
 845                                                      advertising, TP);
 846         } else  {
 847                 link_ksettings->base.port = -1;
 848         }
 849 }
 850
 851 static int
 852 mlx4_en_get_link_ksettings(struct net_device *dev,
 853                            struct ethtool_link_ksettings *link_ksettings)
 854 {
 855         struct mlx4_en_priv *priv = netdev_priv(dev);
 856         int ret = -EINVAL;
 857
 858         if (mlx4_en_QUERY_PORT(priv->mdev, priv->port))
 859                 return -ENOMEM;
 860
 861         en_dbg(DRV, priv, "query port state.flags ANC(%x) ANE(%x)\n",
 862                priv->port_state.flags & MLX4_EN_PORT_ANC,
 863                priv->port_state.flags & MLX4_EN_PORT_ANE);
 864
 865         if (priv->mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ETH_PROT_CTRL)
 866                 ret = ethtool_get_ptys_link_ksettings(dev, link_ksettings);
 867         if (ret) /* ETH PROT CRTL is not supported or PTYS CMD failed */
 868                 ethtool_get_default_link_ksettings(dev, link_ksettings);
 869
 870         if (netif_carrier_ok(dev)) {
 871                 link_ksettings->base.speed = priv->port_state.link_speed;
 872                 link_ksettings->base.duplex = DUPLEX_FULL;
 873         } else {
 874                 link_ksettings->base.speed = SPEED_UNKNOWN;
 875                 link_ksettings->base.duplex = DUPLEX_UNKNOWN;
 876         }
 877         return 0;
 878 }
 879
 880 /* Calculate PTYS admin according ethtool speed (SPEED_XXX) */
 881 static __be32 speed_set_ptys_admin(struct mlx4_en_priv *priv, u32 speed,
 882                                    __be32 proto_cap)
 883 {
 884         __be32 proto_admin = 0;
 885
 886         if (!speed) { /* Speed = 0 ==> Reset Link modes */
 887                 proto_admin = proto_cap;
 888                 en_info(priv, "Speed was set to 0, Reset advertised Link Modes to default (%x)\n",
 889                         be32_to_cpu(proto_cap));
 890         } else {
 891                 u32 ptys_link_modes = speed2ptys_link_modes(speed);
 892
 893                 proto_admin = cpu_to_be32(ptys_link_modes) & proto_cap;
 894                 en_info(priv, "Setting Speed to %d\n", speed);
 895         }
 896         return proto_admin;
 897 }
 898
 899 static int
 900 mlx4_en_set_link_ksettings(struct net_device *dev,
 901                            const struct ethtool_link_ksettings *link_ksettings)
 902 {
 903         struct mlx4_en_priv *priv = netdev_priv(dev);
 904         struct mlx4_ptys_reg ptys_reg;
 905         __be32 proto_admin;
 906         u8 cur_autoneg;
 907         int ret;
 908
 909         u32 ptys_adv = ethtool2ptys_link_modes(
 910                 link_ksettings->link_modes.advertising, ADVERTISED);
 911         const int speed = link_ksettings->base.speed;
 912
 913         en_dbg(DRV, priv,
 914                "Set Speed=%d adv={%*pbl} autoneg=%d duplex=%d\n",
 915                speed, __ETHTOOL_LINK_MODE_MASK_NBITS,
 916                link_ksettings->link_modes.advertising,
 917                link_ksettings->base.autoneg,
 918                link_ksettings->base.duplex);
 919
 920         if (!(priv->mdev->dev->caps.flags2 &
 921               MLX4_DEV_CAP_FLAG2_ETH_PROT_CTRL) ||
 922             (link_ksettings->base.duplex == DUPLEX_HALF))
 923                 return -EINVAL;
 924
 925         memset(&ptys_reg, 0, sizeof(ptys_reg));
 926         ptys_reg.local_port = priv->port;
 927         ptys_reg.proto_mask = MLX4_PTYS_EN;
 928         ret = mlx4_ACCESS_PTYS_REG(priv->mdev->dev,
 929                                    MLX4_ACCESS_REG_QUERY, &ptys_reg);
 930         if (ret) {
 931                 en_warn(priv, "Failed to QUERY mlx4_ACCESS_PTYS_REG status(%x)\n",
 932                         ret);
 933                 return 0;
 934         }
 935
 936         cur_autoneg = ptys_reg.flags & MLX4_PTYS_AN_DISABLE_ADMIN ?
 937                                 AUTONEG_DISABLE : AUTONEG_ENABLE;
 938
 939         if (link_ksettings->base.autoneg == AUTONEG_DISABLE) {
 940                 proto_admin = speed_set_ptys_admin(priv, speed,
 941                                                    ptys_reg.eth_proto_cap);
 942                 if ((be32_to_cpu(proto_admin) &
 943                      (MLX4_PROT_MASK(MLX4_1000BASE_CX_SGMII) |
 944                       MLX4_PROT_MASK(MLX4_1000BASE_KX))) &&
 945                     (ptys_reg.flags & MLX4_PTYS_AN_DISABLE_CAP))
 946                         ptys_reg.flags |= MLX4_PTYS_AN_DISABLE_ADMIN;
 947         } else {
 948                 proto_admin = cpu_to_be32(ptys_adv);
 949                 ptys_reg.flags &= ~MLX4_PTYS_AN_DISABLE_ADMIN;
 950         }
 951
 952         proto_admin &= ptys_reg.eth_proto_cap;
 953         if (!proto_admin) {
 954                 en_warn(priv, "Not supported link mode(s) requested, check supported link modes.\n");
 955                 return -EINVAL; /* nothing to change due to bad input */
 956         }
 957
 958         if ((proto_admin == ptys_reg.eth_proto_admin) &&
 959             ((ptys_reg.flags & MLX4_PTYS_AN_DISABLE_CAP) &&
 960              (link_ksettings->base.autoneg == cur_autoneg)))
 961                 return 0; /* Nothing to change */
 962
 963         en_dbg(DRV, priv, "mlx4_ACCESS_PTYS_REG SET: ptys_reg.eth_proto_admin = 0x%x\n",
 964                be32_to_cpu(proto_admin));
 965
 966         ptys_reg.eth_proto_admin = proto_admin;
 967         ret = mlx4_ACCESS_PTYS_REG(priv->mdev->dev, MLX4_ACCESS_REG_WRITE,
 968                                    &ptys_reg);
 969         if (ret) {
 970                 en_warn(priv, "Failed to write mlx4_ACCESS_PTYS_REG eth_proto_admin(0x%x) status(0x%x)",
 971                         be32_to_cpu(ptys_reg.eth_proto_admin), ret);
 972                 return ret;
 973         }
 974
 975         mutex_lock(&priv->mdev->state_lock);
 976         if (priv->port_up) {
 977                 en_warn(priv, "Port link mode changed, restarting port...\n");
 978                 mlx4_en_stop_port(dev, 1);
 979                 if (mlx4_en_start_port(dev))
 980                         en_err(priv, "Failed restarting port %d\n", priv->port);
 981         }
 982         mutex_unlock(&priv->mdev->state_lock);
 983         return 0;
 984 }
 985
 986 static int mlx4_en_get_coalesce(struct net_device *dev,
 987                               struct ethtool_coalesce *coal)
 988 {
 989         struct mlx4_en_priv *priv = netdev_priv(dev);
 990
 991         coal->tx_coalesce_usecs = priv->tx_usecs;
 992         coal->tx_max_coalesced_frames = priv->tx_frames;
 993         coal->tx_max_coalesced_frames_irq = priv->tx_work_limit;
 994
 995         coal->rx_coalesce_usecs = priv->rx_usecs;
 996         coal->rx_max_coalesced_frames = priv->rx_frames;
 997
 998         coal->pkt_rate_low = priv->pkt_rate_low;
 999         coal->rx_coalesce_usecs_low = priv->rx_usecs_low;
1000         coal->pkt_rate_high = priv->pkt_rate_high;
1001         coal->rx_coalesce_usecs_high = priv->rx_usecs_high;
1002         coal->rate_sample_interval = priv->sample_interval;
1003         coal->use_adaptive_rx_coalesce = priv->adaptive_rx_coal;
1004
1005         return 0;
1006 }
1007
1008 static int mlx4_en_set_coalesce(struct net_device *dev,
1009                               struct ethtool_coalesce *coal)
1010 {
1011         struct mlx4_en_priv *priv = netdev_priv(dev);
1012
1013         if (!coal->tx_max_coalesced_frames_irq)
1014                 return -EINVAL;
1015
1016         priv->rx_frames = (coal->rx_max_coalesced_frames ==
1017                            MLX4_EN_AUTO_CONF) ?
1018                                 MLX4_EN_RX_COAL_TARGET :
1019                                 coal->rx_max_coalesced_frames;
1020         priv->rx_usecs = (coal->rx_coalesce_usecs ==
1021                           MLX4_EN_AUTO_CONF) ?
1022                                 MLX4_EN_RX_COAL_TIME :
1023                                 coal->rx_coalesce_usecs;
1024
1025         /* Setting TX coalescing parameters */
1026         if (coal->tx_coalesce_usecs != priv->tx_usecs ||
1027             coal->tx_max_coalesced_frames != priv->tx_frames) {
1028                 priv->tx_usecs = coal->tx_coalesce_usecs;
1029                 priv->tx_frames = coal->tx_max_coalesced_frames;
1030         }
1031
1032         /* Set adaptive coalescing params */
1033         priv->pkt_rate_low = coal->pkt_rate_low;
1034         priv->rx_usecs_low = coal->rx_coalesce_usecs_low;
1035         priv->pkt_rate_high = coal->pkt_rate_high;
1036         priv->rx_usecs_high = coal->rx_coalesce_usecs_high;
1037         priv->sample_interval = coal->rate_sample_interval;
1038         priv->adaptive_rx_coal = coal->use_adaptive_rx_coalesce;
1039         priv->tx_work_limit = coal->tx_max_coalesced_frames_irq;
1040
1041         return mlx4_en_moderation_update(priv);
1042 }
1043
1044 static int mlx4_en_set_pauseparam(struct net_device *dev,
1045                                 struct ethtool_pauseparam *pause)
1046 {
1047         struct mlx4_en_priv *priv = netdev_priv(dev);
1048         struct mlx4_en_dev *mdev = priv->mdev;
1049         int err;
1050
1051         if (pause->autoneg)
1052                 return -EINVAL;
1053
1054         priv->prof->tx_pause = pause->tx_pause != 0;
1055         priv->prof->rx_pause = pause->rx_pause != 0;
1056         err = mlx4_SET_PORT_general(mdev->dev, priv->port,
1057                                     priv->rx_skb_size + ETH_FCS_LEN,
1058                                     priv->prof->tx_pause,
1059                                     priv->prof->tx_ppp,
1060                                     priv->prof->rx_pause,
1061                                     priv->prof->rx_ppp);
1062         if (err)
1063                 en_err(priv, "Failed setting pause params\n");
1064         else
1065                 mlx4_en_update_pfc_stats_bitmap(mdev->dev, &priv->stats_bitmap,
1066                                                 priv->prof->rx_ppp,
1067                                                 priv->prof->rx_pause,
1068                                                 priv->prof->tx_ppp,
1069                                                 priv->prof->tx_pause);
1070
1071         return err;
1072 }
1073
1074 static void mlx4_en_get_pauseparam(struct net_device *dev,
1075                                  struct ethtool_pauseparam *pause)
1076 {
1077         struct mlx4_en_priv *priv = netdev_priv(dev);
1078
1079         pause->tx_pause = priv->prof->tx_pause;
1080         pause->rx_pause = priv->prof->rx_pause;
1081 }
1082
1083 static int mlx4_en_set_ringparam(struct net_device *dev,
1084                                  struct ethtool_ringparam *param)
1085 {
1086         struct mlx4_en_priv *priv = netdev_priv(dev);
1087         struct mlx4_en_dev *mdev = priv->mdev;
1088         struct mlx4_en_port_profile new_prof;
1089         struct mlx4_en_priv *tmp;
1090         u32 rx_size, tx_size;
1091         int port_up = 0;
1092         int err = 0;
1093
1094         if (param->rx_jumbo_pending || param->rx_mini_pending)
1095                 return -EINVAL;
1096
1097         rx_size = roundup_pow_of_two(param->rx_pending);
1098         rx_size = max_t(u32, rx_size, MLX4_EN_MIN_RX_SIZE);
1099         rx_size = min_t(u32, rx_size, MLX4_EN_MAX_RX_SIZE);
1100         tx_size = roundup_pow_of_two(param->tx_pending);
1101         tx_size = max_t(u32, tx_size, MLX4_EN_MIN_TX_SIZE);
1102         tx_size = min_t(u32, tx_size, MLX4_EN_MAX_TX_SIZE);
1103
1104         if (rx_size == (priv->port_up ? priv->rx_ring[0]->actual_size :
1105                                         priv->rx_ring[0]->size) &&
1106             tx_size == priv->tx_ring[TX][0]->size)
1107                 return 0;
1108
1109         tmp = kzalloc(sizeof(*tmp), GFP_KERNEL);
1110         if (!tmp)
1111                 return -ENOMEM;
1112
1113         mutex_lock(&mdev->state_lock);
1114         memcpy(&new_prof, priv->prof, sizeof(struct mlx4_en_port_profile));
1115         new_prof.tx_ring_size = tx_size;
1116         new_prof.rx_ring_size = rx_size;
1117         err = mlx4_en_try_alloc_resources(priv, tmp, &new_prof, true);
1118         if (err)
1119                 goto out;
1120
1121         if (priv->port_up) {
1122                 port_up = 1;
1123                 mlx4_en_stop_port(dev, 1);
1124         }
1125
1126         mlx4_en_safe_replace_resources(priv, tmp);
1127
1128         if (port_up) {
1129                 err = mlx4_en_start_port(dev);
1130                 if (err)
1131                         en_err(priv, "Failed starting port\n");
1132         }
1133
1134         err = mlx4_en_moderation_update(priv);
1135 out:
1136         kfree(tmp);
1137         mutex_unlock(&mdev->state_lock);
1138         return err;
1139 }
1140
1141 static void mlx4_en_get_ringparam(struct net_device *dev,
1142                                   struct ethtool_ringparam *param)
1143 {
1144         struct mlx4_en_priv *priv = netdev_priv(dev);
1145
1146         memset(param, 0, sizeof(*param));
1147         param->rx_max_pending = MLX4_EN_MAX_RX_SIZE;
1148         param->tx_max_pending = MLX4_EN_MAX_TX_SIZE;
1149         param->rx_pending = priv->port_up ?
1150                 priv->rx_ring[0]->actual_size : priv->rx_ring[0]->size;
1151         param->tx_pending = priv->tx_ring[TX][0]->size;
1152 }
1153
1154 static u32 mlx4_en_get_rxfh_indir_size(struct net_device *dev)
1155 {
1156         struct mlx4_en_priv *priv = netdev_priv(dev);
1157
1158         return rounddown_pow_of_two(priv->rx_ring_num);
1159 }
1160
1161 static u32 mlx4_en_get_rxfh_key_size(struct net_device *netdev)
1162 {
1163         return MLX4_EN_RSS_KEY_SIZE;
1164 }
1165
1166 static int mlx4_en_check_rxfh_func(struct net_device *dev, u8 hfunc)
1167 {
1168         struct mlx4_en_priv *priv = netdev_priv(dev);
1169
1170         /* check if requested function is supported by the device */
1171         if (hfunc == ETH_RSS_HASH_TOP) {
1172                 if (!(priv->mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_RSS_TOP))
1173                         return -EINVAL;
1174                 if (!(dev->features & NETIF_F_RXHASH))
1175                         en_warn(priv, "Toeplitz hash function should be used in conjunction with RX hashing for optimal performance\n");
1176                 return 0;
1177         } else if (hfunc == ETH_RSS_HASH_XOR) {
1178                 if (!(priv->mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_RSS_XOR))
1179                         return -EINVAL;
1180                 if (dev->features & NETIF_F_RXHASH)
1181                         en_warn(priv, "Enabling both XOR Hash function and RX Hashing can limit RPS functionality\n");
1182                 return 0;
1183         }
1184
1185         return -EINVAL;
1186 }
1187
1188 static int mlx4_en_get_rxfh(struct net_device *dev, u32 *ring_index, u8 *key,
1189                             u8 *hfunc)
1190 {
1191         struct mlx4_en_priv *priv = netdev_priv(dev);
1192         u32 n = mlx4_en_get_rxfh_indir_size(dev);
1193         u32 i, rss_rings;
1194         int err = 0;
1195
1196         rss_rings = priv->prof->rss_rings ?: n;
1197         rss_rings = rounddown_pow_of_two(rss_rings);
1198
1199         for (i = 0; i < n; i++) {
1200                 if (!ring_index)
1201                         break;
1202                 ring_index[i] = i % rss_rings;
1203         }
1204         if (key)
1205                 memcpy(key, priv->rss_key, MLX4_EN_RSS_KEY_SIZE);
1206         if (hfunc)
1207                 *hfunc = priv->rss_hash_fn;
1208         return err;
1209 }
1210
1211 static int mlx4_en_set_rxfh(struct net_device *dev, const u32 *ring_index,
1212                             const u8 *key, const u8 hfunc)
1213 {
1214         struct mlx4_en_priv *priv = netdev_priv(dev);
1215         u32 n = mlx4_en_get_rxfh_indir_size(dev);
1216         struct mlx4_en_dev *mdev = priv->mdev;
1217         int port_up = 0;
1218         int err = 0;
1219         int i;
1220         int rss_rings = 0;
1221
1222         /* Calculate RSS table size and make sure flows are spread evenly
1223          * between rings
1224          */
1225         for (i = 0; i < n; i++) {
1226                 if (!ring_index)
1227                         break;
1228                 if (i > 0 && !ring_index[i] && !rss_rings)
1229                         rss_rings = i;
1230
1231                 if (ring_index[i] != (i % (rss_rings ?: n)))
1232                         return -EINVAL;
1233         }
1234
1235         if (!rss_rings)
1236                 rss_rings = n;
1237
1238         /* RSS table size must be an order of 2 */
1239         if (!is_power_of_2(rss_rings))
1240                 return -EINVAL;
1241
1242         if (hfunc != ETH_RSS_HASH_NO_CHANGE) {
1243                 err = mlx4_en_check_rxfh_func(dev, hfunc);
1244                 if (err)
1245                         return err;
1246         }
1247
1248         mutex_lock(&mdev->state_lock);
1249         if (priv->port_up) {
1250                 port_up = 1;
1251                 mlx4_en_stop_port(dev, 1);
1252         }
1253
1254         if (ring_index)
1255                 priv->prof->rss_rings = rss_rings;
1256         if (key)
1257                 memcpy(priv->rss_key, key, MLX4_EN_RSS_KEY_SIZE);
1258         if (hfunc !=  ETH_RSS_HASH_NO_CHANGE)
1259                 priv->rss_hash_fn = hfunc;
1260
1261         if (port_up) {
1262                 err = mlx4_en_start_port(dev);
1263                 if (err)
1264                         en_err(priv, "Failed starting port\n");
1265         }
1266
1267         mutex_unlock(&mdev->state_lock);
1268         return err;
1269 }
1270
1271 #define all_zeros_or_all_ones(field)            \
1272         ((field) == 0 || (field) == (__force typeof(field))-1)
1273
1274 static int mlx4_en_validate_flow(struct net_device *dev,
1275                                  struct ethtool_rxnfc *cmd)
1276 {
1277         struct ethtool_usrip4_spec *l3_mask;
1278         struct ethtool_tcpip4_spec *l4_mask;
1279         struct ethhdr *eth_mask;
1280
1281         if (cmd->fs.location >= MAX_NUM_OF_FS_RULES)
1282                 return -EINVAL;
1283
1284         if (cmd->fs.flow_type & FLOW_MAC_EXT) {
1285                 /* dest mac mask must be ff:ff:ff:ff:ff:ff */
1286                 if (!is_broadcast_ether_addr(cmd->fs.m_ext.h_dest))
1287                         return -EINVAL;
1288         }
1289
1290         switch (cmd->fs.flow_type & ~(FLOW_EXT | FLOW_MAC_EXT)) {
1291         case TCP_V4_FLOW:
1292         case UDP_V4_FLOW:
1293                 if (cmd->fs.m_u.tcp_ip4_spec.tos)
1294                         return -EINVAL;
1295                 l4_mask = &cmd->fs.m_u.tcp_ip4_spec;
1296                 /* don't allow mask which isn't all 0 or 1 */
1297                 if (!all_zeros_or_all_ones(l4_mask->ip4src) ||
1298                     !all_zeros_or_all_ones(l4_mask->ip4dst) ||
1299                     !all_zeros_or_all_ones(l4_mask->psrc) ||
1300                     !all_zeros_or_all_ones(l4_mask->pdst))
1301                         return -EINVAL;
1302                 break;
1303         case IP_USER_FLOW:
1304                 l3_mask = &cmd->fs.m_u.usr_ip4_spec;
1305                 if (l3_mask->l4_4_bytes || l3_mask->tos || l3_mask->proto ||
1306                     cmd->fs.h_u.usr_ip4_spec.ip_ver != ETH_RX_NFC_IP4 ||
1307                     (!l3_mask->ip4src && !l3_mask->ip4dst) ||
1308                     !all_zeros_or_all_ones(l3_mask->ip4src) ||
1309                     !all_zeros_or_all_ones(l3_mask->ip4dst))
1310                         return -EINVAL;
1311                 break;
1312         case ETHER_FLOW:
1313                 eth_mask = &cmd->fs.m_u.ether_spec;
1314                 /* source mac mask must not be set */
1315                 if (!is_zero_ether_addr(eth_mask->h_source))
1316                         return -EINVAL;
1317
1318                 /* dest mac mask must be ff:ff:ff:ff:ff:ff */
1319                 if (!is_broadcast_ether_addr(eth_mask->h_dest))
1320                         return -EINVAL;
1321
1322                 if (!all_zeros_or_all_ones(eth_mask->h_proto))
1323                         return -EINVAL;
1324                 break;
1325         default:
1326                 return -EINVAL;
1327         }
1328
1329         if ((cmd->fs.flow_type & FLOW_EXT)) {
1330                 if (cmd->fs.m_ext.vlan_etype ||
1331                     !((cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK)) ==
1332                       0 ||
1333                       (cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK)) ==
1334                       cpu_to_be16(VLAN_VID_MASK)))
1335                         return -EINVAL;
1336
1337                 if (cmd->fs.m_ext.vlan_tci) {
1338                         if (be16_to_cpu(cmd->fs.h_ext.vlan_tci) >= VLAN_N_VID)
1339                                 return -EINVAL;
1340
1341                 }
1342         }
1343
1344         return 0;
1345 }
1346
1347 static int mlx4_en_ethtool_add_mac_rule(struct ethtool_rxnfc *cmd,
1348                                         struct list_head *rule_list_h,
1349                                         struct mlx4_spec_list *spec_l2,
1350                                         unsigned char *mac)
1351 {
1352         int err = 0;
1353         __be64 mac_msk = cpu_to_be64(MLX4_MAC_MASK << 16);
1354
1355         spec_l2->id = MLX4_NET_TRANS_RULE_ID_ETH;
1356         memcpy(spec_l2->eth.dst_mac_msk, &mac_msk, ETH_ALEN);
1357         memcpy(spec_l2->eth.dst_mac, mac, ETH_ALEN);
1358
1359         if ((cmd->fs.flow_type & FLOW_EXT) &&
1360             (cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK))) {
1361                 spec_l2->eth.vlan_id = cmd->fs.h_ext.vlan_tci;
1362                 spec_l2->eth.vlan_id_msk = cpu_to_be16(VLAN_VID_MASK);
1363         }
1364
1365         list_add_tail(&spec_l2->list, rule_list_h);
1366
1367         return err;
1368 }
1369
1370 static int mlx4_en_ethtool_add_mac_rule_by_ipv4(struct mlx4_en_priv *priv,
1371                                                 struct ethtool_rxnfc *cmd,
1372                                                 struct list_head *rule_list_h,
1373                                                 struct mlx4_spec_list *spec_l2,
1374                                                 __be32 ipv4_dst)
1375 {
1376 #ifdef CONFIG_INET
1377         unsigned char mac[ETH_ALEN];
1378
1379         if (!ipv4_is_multicast(ipv4_dst)) {
1380                 if (cmd->fs.flow_type & FLOW_MAC_EXT)
1381                         memcpy(&mac, cmd->fs.h_ext.h_dest, ETH_ALEN);
1382                 else
1383                         memcpy(&mac, priv->dev->dev_addr, ETH_ALEN);
1384         } else {
1385                 ip_eth_mc_map(ipv4_dst, mac);
1386         }
1387
1388         return mlx4_en_ethtool_add_mac_rule(cmd, rule_list_h, spec_l2, &mac[0]);
1389 #else
1390         return -EINVAL;
1391 #endif
1392 }
1393
1394 static int add_ip_rule(struct mlx4_en_priv *priv,
1395                        struct ethtool_rxnfc *cmd,
1396                        struct list_head *list_h)
1397 {
1398         int err;
1399         struct mlx4_spec_list *spec_l2 = NULL;
1400         struct mlx4_spec_list *spec_l3 = NULL;
1401         struct ethtool_usrip4_spec *l3_mask = &cmd->fs.m_u.usr_ip4_spec;
1402
1403         spec_l3 = kzalloc(sizeof(*spec_l3), GFP_KERNEL);
1404         spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL);
1405         if (!spec_l2 || !spec_l3) {
1406                 err = -ENOMEM;
1407                 goto free_spec;
1408         }
1409
1410         err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h, spec_l2,
1411                                                    cmd->fs.h_u.
1412                                                    usr_ip4_spec.ip4dst);
1413         if (err)
1414                 goto free_spec;
1415         spec_l3->id = MLX4_NET_TRANS_RULE_ID_IPV4;
1416         spec_l3->ipv4.src_ip = cmd->fs.h_u.usr_ip4_spec.ip4src;
1417         if (l3_mask->ip4src)
1418                 spec_l3->ipv4.src_ip_msk = EN_ETHTOOL_WORD_MASK;
1419         spec_l3->ipv4.dst_ip = cmd->fs.h_u.usr_ip4_spec.ip4dst;
1420         if (l3_mask->ip4dst)
1421                 spec_l3->ipv4.dst_ip_msk = EN_ETHTOOL_WORD_MASK;
1422         list_add_tail(&spec_l3->list, list_h);
1423
1424         return 0;
1425
1426 free_spec:
1427         kfree(spec_l2);
1428         kfree(spec_l3);
1429         return err;
1430 }
1431
1432 static int add_tcp_udp_rule(struct mlx4_en_priv *priv,
1433                              struct ethtool_rxnfc *cmd,
1434                              struct list_head *list_h, int proto)
1435 {
1436         int err;
1437         struct mlx4_spec_list *spec_l2 = NULL;
1438         struct mlx4_spec_list *spec_l3 = NULL;
1439         struct mlx4_spec_list *spec_l4 = NULL;
1440         struct ethtool_tcpip4_spec *l4_mask = &cmd->fs.m_u.tcp_ip4_spec;
1441
1442         spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL);
1443         spec_l3 = kzalloc(sizeof(*spec_l3), GFP_KERNEL);
1444         spec_l4 = kzalloc(sizeof(*spec_l4), GFP_KERNEL);
1445         if (!spec_l2 || !spec_l3 || !spec_l4) {
1446                 err = -ENOMEM;
1447                 goto free_spec;
1448         }
1449
1450         spec_l3->id = MLX4_NET_TRANS_RULE_ID_IPV4;
1451
1452         if (proto == TCP_V4_FLOW) {
1453                 err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h,
1454                                                            spec_l2,
1455                                                            cmd->fs.h_u.
1456                                                            tcp_ip4_spec.ip4dst);
1457                 if (err)
1458                         goto free_spec;
1459                 spec_l4->id = MLX4_NET_TRANS_RULE_ID_TCP;
1460                 spec_l3->ipv4.src_ip = cmd->fs.h_u.tcp_ip4_spec.ip4src;
1461                 spec_l3->ipv4.dst_ip = cmd->fs.h_u.tcp_ip4_spec.ip4dst;
1462                 spec_l4->tcp_udp.src_port = cmd->fs.h_u.tcp_ip4_spec.psrc;
1463                 spec_l4->tcp_udp.dst_port = cmd->fs.h_u.tcp_ip4_spec.pdst;
1464         } else {
1465                 err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h,
1466                                                            spec_l2,
1467                                                            cmd->fs.h_u.
1468                                                            udp_ip4_spec.ip4dst);
1469                 if (err)
1470                         goto free_spec;
1471                 spec_l4->id = MLX4_NET_TRANS_RULE_ID_UDP;
1472                 spec_l3->ipv4.src_ip = cmd->fs.h_u.udp_ip4_spec.ip4src;
1473                 spec_l3->ipv4.dst_ip = cmd->fs.h_u.udp_ip4_spec.ip4dst;
1474                 spec_l4->tcp_udp.src_port = cmd->fs.h_u.udp_ip4_spec.psrc;
1475                 spec_l4->tcp_udp.dst_port = cmd->fs.h_u.udp_ip4_spec.pdst;
1476         }
1477
1478         if (l4_mask->ip4src)
1479                 spec_l3->ipv4.src_ip_msk = EN_ETHTOOL_WORD_MASK;
1480         if (l4_mask->ip4dst)
1481                 spec_l3->ipv4.dst_ip_msk = EN_ETHTOOL_WORD_MASK;
1482
1483         if (l4_mask->psrc)
1484                 spec_l4->tcp_udp.src_port_msk = EN_ETHTOOL_SHORT_MASK;
1485         if (l4_mask->pdst)
1486                 spec_l4->tcp_udp.dst_port_msk = EN_ETHTOOL_SHORT_MASK;
1487
1488         list_add_tail(&spec_l3->list, list_h);
1489         list_add_tail(&spec_l4->list, list_h);
1490
1491         return 0;
1492
1493 free_spec:
1494         kfree(spec_l2);
1495         kfree(spec_l3);
1496         kfree(spec_l4);
1497         return err;
1498 }
1499
1500 static int mlx4_en_ethtool_to_net_trans_rule(struct net_device *dev,
1501                                              struct ethtool_rxnfc *cmd,
1502                                              struct list_head *rule_list_h)
1503 {
1504         int err;
1505         struct ethhdr *eth_spec;
1506         struct mlx4_spec_list *spec_l2;
1507         struct mlx4_en_priv *priv = netdev_priv(dev);
1508
1509         err = mlx4_en_validate_flow(dev, cmd);
1510         if (err)
1511                 return err;
1512
1513         switch (cmd->fs.flow_type & ~(FLOW_EXT | FLOW_MAC_EXT)) {
1514         case ETHER_FLOW:
1515                 spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL);
1516                 if (!spec_l2)
1517                         return -ENOMEM;
1518
1519                 eth_spec = &cmd->fs.h_u.ether_spec;
1520                 mlx4_en_ethtool_add_mac_rule(cmd, rule_list_h, spec_l2,
1521                                              &eth_spec->h_dest[0]);
1522                 spec_l2->eth.ether_type = eth_spec->h_proto;
1523                 if (eth_spec->h_proto)
1524                         spec_l2->eth.ether_type_enable = 1;
1525                 break;
1526         case IP_USER_FLOW:
1527                 err = add_ip_rule(priv, cmd, rule_list_h);
1528                 break;
1529         case TCP_V4_FLOW:
1530                 err = add_tcp_udp_rule(priv, cmd, rule_list_h, TCP_V4_FLOW);
1531                 break;
1532         case UDP_V4_FLOW:
1533                 err = add_tcp_udp_rule(priv, cmd, rule_list_h, UDP_V4_FLOW);
1534                 break;
1535         }
1536
1537         return err;
1538 }
1539
1540 static int mlx4_en_flow_replace(struct net_device *dev,
1541                                 struct ethtool_rxnfc *cmd)
1542 {
1543         int err;
1544         struct mlx4_en_priv *priv = netdev_priv(dev);
1545         struct ethtool_flow_id *loc_rule;
1546         struct mlx4_spec_list *spec, *tmp_spec;
1547         u32 qpn;
1548         u64 reg_id;
1549
1550         struct mlx4_net_trans_rule rule = {
1551                 .queue_mode = MLX4_NET_TRANS_Q_FIFO,
1552                 .exclusive = 0,
1553                 .allow_loopback = 1,
1554                 .promisc_mode = MLX4_FS_REGULAR,
1555         };
1556
1557         rule.port = priv->port;
1558         rule.priority = MLX4_DOMAIN_ETHTOOL | cmd->fs.location;
1559         INIT_LIST_HEAD(&rule.list);
1560
1561         /* Allow direct QP attaches if the EN_ETHTOOL_QP_ATTACH flag is set */
1562         if (cmd->fs.ring_cookie == RX_CLS_FLOW_DISC)
1563                 qpn = priv->drop_qp.qpn;
1564         else if (cmd->fs.ring_cookie & EN_ETHTOOL_QP_ATTACH) {
1565                 qpn = cmd->fs.ring_cookie & (EN_ETHTOOL_QP_ATTACH - 1);
1566         } else {
1567                 if (cmd->fs.ring_cookie >= priv->rx_ring_num) {
1568                         en_warn(priv, "rxnfc: RX ring (%llu) doesn't exist\n",
1569                                 cmd->fs.ring_cookie);
1570                         return -EINVAL;
1571                 }
1572                 qpn = priv->rss_map.qps[cmd->fs.ring_cookie].qpn;
1573                 if (!qpn) {
1574                         en_warn(priv, "rxnfc: RX ring (%llu) is inactive\n",
1575                                 cmd->fs.ring_cookie);
1576                         return -EINVAL;
1577                 }
1578         }
1579         rule.qpn = qpn;
1580         err = mlx4_en_ethtool_to_net_trans_rule(dev, cmd, &rule.list);
1581         if (err)
1582                 goto out_free_list;
1583
1584         loc_rule = &priv->ethtool_rules[cmd->fs.location];
1585         if (loc_rule->id) {
1586                 err = mlx4_flow_detach(priv->mdev->dev, loc_rule->id);
1587                 if (err) {
1588                         en_err(priv, "Fail to detach network rule at location %d. registration id = %llx\n",
1589                                cmd->fs.location, loc_rule->id);
1590                         goto out_free_list;
1591                 }
1592                 loc_rule->id = 0;
1593                 memset(&loc_rule->flow_spec, 0,
1594                        sizeof(struct ethtool_rx_flow_spec));
1595                 list_del(&loc_rule->list);
1596         }
1597         err = mlx4_flow_attach(priv->mdev->dev, &rule, &reg_id);
1598         if (err) {
1599                 en_err(priv, "Fail to attach network rule at location %d\n",
1600                        cmd->fs.location);
1601                 goto out_free_list;
1602         }
1603         loc_rule->id = reg_id;
1604         memcpy(&loc_rule->flow_spec, &cmd->fs,
1605                sizeof(struct ethtool_rx_flow_spec));
1606         list_add_tail(&loc_rule->list, &priv->ethtool_list);
1607
1608 out_free_list:
1609         list_for_each_entry_safe(spec, tmp_spec, &rule.list, list) {
1610                 list_del(&spec->list);
1611                 kfree(spec);
1612         }
1613         return err;
1614 }
1615
1616 static int mlx4_en_flow_detach(struct net_device *dev,
1617                                struct ethtool_rxnfc *cmd)
1618 {
1619         int err = 0;
1620         struct ethtool_flow_id *rule;
1621         struct mlx4_en_priv *priv = netdev_priv(dev);
1622
1623         if (cmd->fs.location >= MAX_NUM_OF_FS_RULES)
1624                 return -EINVAL;
1625
1626         rule = &priv->ethtool_rules[cmd->fs.location];
1627         if (!rule->id) {
1628                 err =  -ENOENT;
1629                 goto out;
1630         }
1631
1632         err = mlx4_flow_detach(priv->mdev->dev, rule->id);
1633         if (err) {
1634                 en_err(priv, "Fail to detach network rule at location %d. registration id = 0x%llx\n",
1635                        cmd->fs.location, rule->id);
1636                 goto out;
1637         }
1638         rule->id = 0;
1639         memset(&rule->flow_spec, 0, sizeof(struct ethtool_rx_flow_spec));
1640         list_del(&rule->list);
1641 out:
1642         return err;
1643
1644 }
1645
1646 static int mlx4_en_get_flow(struct net_device *dev, struct ethtool_rxnfc *cmd,
1647                             int loc)
1648 {
1649         int err = 0;
1650         struct ethtool_flow_id *rule;
1651         struct mlx4_en_priv *priv = netdev_priv(dev);
1652
1653         if (loc < 0 || loc >= MAX_NUM_OF_FS_RULES)
1654                 return -EINVAL;
1655
1656         rule = &priv->ethtool_rules[loc];
1657         if (rule->id)
1658                 memcpy(&cmd->fs, &rule->flow_spec,
1659                        sizeof(struct ethtool_rx_flow_spec));
1660         else
1661                 err = -ENOENT;
1662
1663         return err;
1664 }
1665
1666 static int mlx4_en_get_num_flows(struct mlx4_en_priv *priv)
1667 {
1668
1669         int i, res = 0;
1670         for (i = 0; i < MAX_NUM_OF_FS_RULES; i++) {
1671                 if (priv->ethtool_rules[i].id)
1672                         res++;
1673         }
1674         return res;
1675
1676 }
1677
1678 static int mlx4_en_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
1679                              u32 *rule_locs)
1680 {
1681         struct mlx4_en_priv *priv = netdev_priv(dev);
1682         struct mlx4_en_dev *mdev = priv->mdev;
1683         int err = 0;
1684         int i = 0, priority = 0;
1685
1686         if ((cmd->cmd == ETHTOOL_GRXCLSRLCNT ||
1687              cmd->cmd == ETHTOOL_GRXCLSRULE ||
1688              cmd->cmd == ETHTOOL_GRXCLSRLALL) &&
1689             (mdev->dev->caps.steering_mode !=
1690              MLX4_STEERING_MODE_DEVICE_MANAGED || !priv->port_up))
1691                 return -EINVAL;
1692
1693         switch (cmd->cmd) {
1694         case ETHTOOL_GRXRINGS:
1695                 cmd->data = priv->rx_ring_num;
1696                 break;
1697         case ETHTOOL_GRXCLSRLCNT:
1698                 cmd->rule_cnt = mlx4_en_get_num_flows(priv);
1699                 break;
1700         case ETHTOOL_GRXCLSRULE:
1701                 err = mlx4_en_get_flow(dev, cmd, cmd->fs.location);
1702                 break;
1703         case ETHTOOL_GRXCLSRLALL:
1704                 while ((!err || err == -ENOENT) && priority < cmd->rule_cnt) {
1705                         err = mlx4_en_get_flow(dev, cmd, i);
1706                         if (!err)
1707                                 rule_locs[priority++] = i;
1708                         i++;
1709                 }
1710                 err = 0;
1711                 break;
1712         default:
1713                 err = -EOPNOTSUPP;
1714                 break;
1715         }
1716
1717         return err;
1718 }
1719
1720 static int mlx4_en_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
1721 {
1722         int err = 0;
1723         struct mlx4_en_priv *priv = netdev_priv(dev);
1724         struct mlx4_en_dev *mdev = priv->mdev;
1725
1726         if (mdev->dev->caps.steering_mode !=
1727             MLX4_STEERING_MODE_DEVICE_MANAGED || !priv->port_up)
1728                 return -EINVAL;
1729
1730         switch (cmd->cmd) {
1731         case ETHTOOL_SRXCLSRLINS:
1732                 err = mlx4_en_flow_replace(dev, cmd);
1733                 break;
1734         case ETHTOOL_SRXCLSRLDEL:
1735                 err = mlx4_en_flow_detach(dev, cmd);
1736                 break;
1737         default:
1738                 en_warn(priv, "Unsupported ethtool command. (%d)\n", cmd->cmd);
1739                 return -EINVAL;
1740         }
1741
1742         return err;
1743 }
1744
1745 static void mlx4_en_get_channels(struct net_device *dev,
1746                                  struct ethtool_channels *channel)
1747 {
1748         struct mlx4_en_priv *priv = netdev_priv(dev);
1749
1750         channel->max_rx = MAX_RX_RINGS;
1751         channel->max_tx = MLX4_EN_MAX_TX_RING_P_UP;
1752
1753         channel->rx_count = priv->rx_ring_num;
1754         channel->tx_count = priv->tx_ring_num[TX] /
1755                             priv->prof->num_up;
1756 }
1757
1758 static int mlx4_en_set_channels(struct net_device *dev,
1759                                 struct ethtool_channels *channel)
1760 {
1761         struct mlx4_en_priv *priv = netdev_priv(dev);
1762         struct mlx4_en_dev *mdev = priv->mdev;
1763         struct mlx4_en_port_profile new_prof;
1764         struct mlx4_en_priv *tmp;
1765         int port_up = 0;
1766         int xdp_count;
1767         int err = 0;
1768         u8 up;
1769
1770         if (!channel->tx_count || !channel->rx_count)
1771                 return -EINVAL;
1772
1773         tmp = kzalloc(sizeof(*tmp), GFP_KERNEL);
1774         if (!tmp)
1775                 return -ENOMEM;
1776
1777         mutex_lock(&mdev->state_lock);
1778         xdp_count = priv->tx_ring_num[TX_XDP] ? channel->rx_count : 0;
1779         if (channel->tx_count * priv->prof->num_up + xdp_count >
1780             MAX_TX_RINGS) {
1781                 err = -EINVAL;
1782                 en_err(priv,
1783                        "Total number of TX and XDP rings (%d) exceeds the maximum supported (%d)\n",
1784                        channel->tx_count * priv->prof->num_up  + xdp_count,
1785                        MAX_TX_RINGS);
1786                 goto out;
1787         }
1788
1789         memcpy(&new_prof, priv->prof, sizeof(struct mlx4_en_port_profile));
1790         new_prof.num_tx_rings_p_up = channel->tx_count;
1791         new_prof.tx_ring_num[TX] = channel->tx_count * priv->prof->num_up;
1792         new_prof.tx_ring_num[TX_XDP] = xdp_count;
1793         new_prof.rx_ring_num = channel->rx_count;
1794
1795         err = mlx4_en_try_alloc_resources(priv, tmp, &new_prof, true);
1796         if (err)
1797                 goto out;
1798
1799         if (priv->port_up) {
1800                 port_up = 1;
1801                 mlx4_en_stop_port(dev, 1);
1802         }
1803
1804         mlx4_en_safe_replace_resources(priv, tmp);
1805
1806         netif_set_real_num_rx_queues(dev, priv->rx_ring_num);
1807
1808         up = (priv->prof->num_up == MLX4_EN_NUM_UP_LOW) ?
1809                                     0 : priv->prof->num_up;
1810         mlx4_en_setup_tc(dev, up);
1811
1812         en_warn(priv, "Using %d TX rings\n", priv->tx_ring_num[TX]);
1813         en_warn(priv, "Using %d RX rings\n", priv->rx_ring_num);
1814
1815         if (port_up) {
1816                 err = mlx4_en_start_port(dev);
1817                 if (err)
1818                         en_err(priv, "Failed starting port\n");
1819         }
1820
1821         err = mlx4_en_moderation_update(priv);
1822 out:
1823         mutex_unlock(&mdev->state_lock);
1824         kfree(tmp);
1825         return err;
1826 }
1827
1828 static int mlx4_en_get_ts_info(struct net_device *dev,
1829                                struct ethtool_ts_info *info)
1830 {
1831         struct mlx4_en_priv *priv = netdev_priv(dev);
1832         struct mlx4_en_dev *mdev = priv->mdev;
1833         int ret;
1834
1835         ret = ethtool_op_get_ts_info(dev, info);
1836         if (ret)
1837                 return ret;
1838
1839         if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS) {
1840                 info->so_timestamping |=
1841                         SOF_TIMESTAMPING_TX_HARDWARE |
1842                         SOF_TIMESTAMPING_RX_HARDWARE |
1843                         SOF_TIMESTAMPING_RAW_HARDWARE;
1844
1845                 info->tx_types =
1846                         (1 << HWTSTAMP_TX_OFF) |
1847                         (1 << HWTSTAMP_TX_ON);
1848
1849                 info->rx_filters =
1850                         (1 << HWTSTAMP_FILTER_NONE) |
1851                         (1 << HWTSTAMP_FILTER_ALL);
1852
1853                 if (mdev->ptp_clock)
1854                         info->phc_index = ptp_clock_index(mdev->ptp_clock);
1855         }
1856
1857         return ret;
1858 }
1859
1860 static int mlx4_en_set_priv_flags(struct net_device *dev, u32 flags)
1861 {
1862         struct mlx4_en_priv *priv = netdev_priv(dev);
1863         struct mlx4_en_dev *mdev = priv->mdev;
1864         bool bf_enabled_new = !!(flags & MLX4_EN_PRIV_FLAGS_BLUEFLAME);
1865         bool bf_enabled_old = !!(priv->pflags & MLX4_EN_PRIV_FLAGS_BLUEFLAME);
1866         bool phv_enabled_new = !!(flags & MLX4_EN_PRIV_FLAGS_PHV);
1867         bool phv_enabled_old = !!(priv->pflags & MLX4_EN_PRIV_FLAGS_PHV);
1868         int i;
1869         int ret = 0;
1870
1871         if (bf_enabled_new != bf_enabled_old) {
1872                 int t;
1873
1874                 if (bf_enabled_new) {
1875                         bool bf_supported = true;
1876
1877                         for (t = 0; t < MLX4_EN_NUM_TX_TYPES; t++)
1878                                 for (i = 0; i < priv->tx_ring_num[t]; i++)
1879                                         bf_supported &=
1880                                                 priv->tx_ring[t][i]->bf_alloced;
1881
1882                         if (!bf_supported) {
1883                                 en_err(priv, "BlueFlame is not supported\n");
1884                                 return -EINVAL;
1885                         }
1886
1887                         priv->pflags |= MLX4_EN_PRIV_FLAGS_BLUEFLAME;
1888                 } else {
1889                         priv->pflags &= ~MLX4_EN_PRIV_FLAGS_BLUEFLAME;
1890                 }
1891
1892                 for (t = 0; t < MLX4_EN_NUM_TX_TYPES; t++)
1893                         for (i = 0; i < priv->tx_ring_num[t]; i++)
1894                                 priv->tx_ring[t][i]->bf_enabled =
1895                                         bf_enabled_new;
1896
1897                 en_info(priv, "BlueFlame %s\n",
1898                         bf_enabled_new ?  "Enabled" : "Disabled");
1899         }
1900
1901         if (phv_enabled_new != phv_enabled_old) {
1902                 ret = set_phv_bit(mdev->dev, priv->port, (int)phv_enabled_new);
1903                 if (ret)
1904                         return ret;
1905                 else if (phv_enabled_new)
1906                         priv->pflags |= MLX4_EN_PRIV_FLAGS_PHV;
1907                 else
1908                         priv->pflags &= ~MLX4_EN_PRIV_FLAGS_PHV;
1909                 en_info(priv, "PHV bit %s\n",
1910                         phv_enabled_new ?  "Enabled" : "Disabled");
1911         }
1912         return 0;
1913 }
1914
1915 static u32 mlx4_en_get_priv_flags(struct net_device *dev)
1916 {
1917         struct mlx4_en_priv *priv = netdev_priv(dev);
1918
1919         return priv->pflags;
1920 }
1921
1922 static int mlx4_en_get_tunable(struct net_device *dev,
1923                                const struct ethtool_tunable *tuna,
1924                                void *data)
1925 {
1926         const struct mlx4_en_priv *priv = netdev_priv(dev);
1927         int ret = 0;
1928
1929         switch (tuna->id) {
1930         case ETHTOOL_TX_COPYBREAK:
1931                 *(u32 *)data = priv->prof->inline_thold;
1932                 break;
1933         default:
1934                 ret = -EINVAL;
1935                 break;
1936         }
1937
1938         return ret;
1939 }
1940
1941 static int mlx4_en_set_tunable(struct net_device *dev,
1942                                const struct ethtool_tunable *tuna,
1943                                const void *data)
1944 {
1945         struct mlx4_en_priv *priv = netdev_priv(dev);
1946         int val, ret = 0;
1947
1948         switch (tuna->id) {
1949         case ETHTOOL_TX_COPYBREAK:
1950                 val = *(u32 *)data;
1951                 if (val < MIN_PKT_LEN || val > MAX_INLINE)
1952                         ret = -EINVAL;
1953                 else
1954                         priv->prof->inline_thold = val;
1955                 break;
1956         default:
1957                 ret = -EINVAL;
1958                 break;
1959         }
1960
1961         return ret;
1962 }
1963
1964 static int mlx4_en_get_module_info(struct net_device *dev,
1965                                    struct ethtool_modinfo *modinfo)
1966 {
1967         struct mlx4_en_priv *priv = netdev_priv(dev);
1968         struct mlx4_en_dev *mdev = priv->mdev;
1969         int ret;
1970         u8 data[4];
1971
1972         /* Read first 2 bytes to get Module & REV ID */
1973         ret = mlx4_get_module_info(mdev->dev, priv->port,
1974                                    0/*offset*/, 2/*size*/, data);
1975         if (ret < 2)
1976                 return -EIO;
1977
1978         switch (data[0] /* identifier */) {
1979         case MLX4_MODULE_ID_QSFP:
1980                 modinfo->type = ETH_MODULE_SFF_8436;
1981                 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
1982                 break;
1983         case MLX4_MODULE_ID_QSFP_PLUS:
1984                 if (data[1] >= 0x3) { /* revision id */
1985                         modinfo->type = ETH_MODULE_SFF_8636;
1986                         modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
1987                 } else {
1988                         modinfo->type = ETH_MODULE_SFF_8436;
1989                         modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
1990                 }
1991                 break;
1992         case MLX4_MODULE_ID_QSFP28:
1993                 modinfo->type = ETH_MODULE_SFF_8636;
1994                 modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
1995                 break;
1996         case MLX4_MODULE_ID_SFP:
1997                 modinfo->type = ETH_MODULE_SFF_8472;
1998                 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
1999                 break;
2000         default:
2001                 return -EINVAL;
2002         }
2003
2004         return 0;
2005 }
2006
2007 static int mlx4_en_get_module_eeprom(struct net_device *dev,
2008                                      struct ethtool_eeprom *ee,
2009                                      u8 *data)
2010 {
2011         struct mlx4_en_priv *priv = netdev_priv(dev);
2012         struct mlx4_en_dev *mdev = priv->mdev;
2013         int offset = ee->offset;
2014         int i = 0, ret;
2015
2016         if (ee->len == 0)
2017                 return -EINVAL;
2018
2019         memset(data, 0, ee->len);
2020
2021         while (i < ee->len) {
2022                 en_dbg(DRV, priv,
2023                        "mlx4_get_module_info i(%d) offset(%d) len(%d)\n",
2024                        i, offset, ee->len - i);
2025
2026                 ret = mlx4_get_module_info(mdev->dev, priv->port,
2027                                            offset, ee->len - i, data + i);
2028
2029                 if (!ret) /* Done reading */
2030                         return 0;
2031
2032                 if (ret < 0) {
2033                         en_err(priv,
2034                                "mlx4_get_module_info i(%d) offset(%d) bytes_to_read(%d) - FAILED (0x%x)\n",
2035                                i, offset, ee->len - i, ret);
2036                         return 0;
2037                 }
2038
2039                 i += ret;
2040                 offset += ret;
2041         }
2042         return 0;
2043 }
2044
2045 static int mlx4_en_set_phys_id(struct net_device *dev,
2046                                enum ethtool_phys_id_state state)
2047 {
2048         int err;
2049         u16 beacon_duration;
2050         struct mlx4_en_priv *priv = netdev_priv(dev);
2051         struct mlx4_en_dev *mdev = priv->mdev;
2052
2053         if (!(mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_PORT_BEACON))
2054                 return -EOPNOTSUPP;
2055
2056         switch (state) {
2057         case ETHTOOL_ID_ACTIVE:
2058                 beacon_duration = PORT_BEACON_MAX_LIMIT;
2059                 break;
2060         case ETHTOOL_ID_INACTIVE:
2061                 beacon_duration = 0;
2062                 break;
2063         default:
2064                 return -EOPNOTSUPP;
2065         }
2066
2067         err = mlx4_SET_PORT_BEACON(mdev->dev, priv->port, beacon_duration);
2068         return err;
2069 }
2070
2071 const struct ethtool_ops mlx4_en_ethtool_ops = {
2072         .get_drvinfo = mlx4_en_get_drvinfo,
2073         .get_link_ksettings = mlx4_en_get_link_ksettings,
2074         .set_link_ksettings = mlx4_en_set_link_ksettings,
2075         .get_link = ethtool_op_get_link,
2076         .get_strings = mlx4_en_get_strings,
2077         .get_sset_count = mlx4_en_get_sset_count,
2078         .get_ethtool_stats = mlx4_en_get_ethtool_stats,
2079         .self_test = mlx4_en_self_test,
2080         .set_phys_id = mlx4_en_set_phys_id,
2081         .get_wol = mlx4_en_get_wol,
2082         .set_wol = mlx4_en_set_wol,
2083         .get_msglevel = mlx4_en_get_msglevel,
2084         .set_msglevel = mlx4_en_set_msglevel,
2085         .get_coalesce = mlx4_en_get_coalesce,
2086         .set_coalesce = mlx4_en_set_coalesce,
2087         .get_pauseparam = mlx4_en_get_pauseparam,
2088         .set_pauseparam = mlx4_en_set_pauseparam,
2089         .get_ringparam = mlx4_en_get_ringparam,
2090         .set_ringparam = mlx4_en_set_ringparam,
2091         .get_rxnfc = mlx4_en_get_rxnfc,
2092         .set_rxnfc = mlx4_en_set_rxnfc,
2093         .get_rxfh_indir_size = mlx4_en_get_rxfh_indir_size,
2094         .get_rxfh_key_size = mlx4_en_get_rxfh_key_size,
2095         .get_rxfh = mlx4_en_get_rxfh,
2096         .set_rxfh = mlx4_en_set_rxfh,
2097         .get_channels = mlx4_en_get_channels,
2098         .set_channels = mlx4_en_set_channels,
2099         .get_ts_info = mlx4_en_get_ts_info,
2100         .set_priv_flags = mlx4_en_set_priv_flags,
2101         .get_priv_flags = mlx4_en_get_priv_flags,
2102         .get_tunable            = mlx4_en_get_tunable,
2103         .set_tunable            = mlx4_en_set_tunable,
2104         .get_module_info = mlx4_en_get_module_info,
2105         .get_module_eeprom = mlx4_en_get_module_eeprom
2106 };
2107
2108
2109
2110
2111