1/* 2 * Copyright (c) 2007 Mellanox Technologies. All rights reserved. 3 * 4 * This software is available to you under a choice of one of two 5 * licenses. You may choose to be licensed under the terms of the GNU 6 * General Public License (GPL) Version 2, available from the file 7 * COPYING in the main directory of this source tree, or the 8 * OpenIB.org BSD license below: 9 * 10 * Redistribution and use in source and binary forms, with or 11 * without modification, are permitted provided that the following 12 * conditions are met: 13 * 14 * - Redistributions of source code must retain the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer. 17 * 18 * - Redistributions in binary form must reproduce the above 19 * copyright notice, this list of conditions and the following 20 * disclaimer in the documentation and/or other materials 21 * provided with the distribution. 22 * 23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30 * SOFTWARE. 31 * 32 */ 33 34#include <linux/kernel.h> 35#include <linux/ethtool.h> 36#include <linux/netdevice.h> 37#include <linux/mlx4/driver.h> 38#include <linux/in.h> 39#include <net/ip.h> 40 41#include "mlx4_en.h" 42#include "en_port.h" 43 44#define EN_ETHTOOL_QP_ATTACH (1ull << 63) 45#define EN_ETHTOOL_SHORT_MASK cpu_to_be16(0xffff) 46#define EN_ETHTOOL_WORD_MASK cpu_to_be32(0xffffffff) 47 48static int mlx4_en_moderation_update(struct mlx4_en_priv *priv) 49{ 50 int i; 51 int err = 0; 52 53 for (i = 0; i < priv->tx_ring_num; i++) { 54 priv->tx_cq[i]->moder_cnt = priv->tx_frames; 55 priv->tx_cq[i]->moder_time = priv->tx_usecs; 56 if (priv->port_up) { 57 err = mlx4_en_set_cq_moder(priv, priv->tx_cq[i]); 58 if (err) 59 return err; 60 } 61 } 62 63 if (priv->adaptive_rx_coal) 64 return 0; 65 66 for (i = 0; i < priv->rx_ring_num; i++) { 67 priv->rx_cq[i]->moder_cnt = priv->rx_frames; 68 priv->rx_cq[i]->moder_time = priv->rx_usecs; 69 priv->last_moder_time[i] = MLX4_EN_AUTO_CONF; 70 if (priv->port_up) { 71 err = mlx4_en_set_cq_moder(priv, priv->rx_cq[i]); 72 if (err) 73 return err; 74 } 75 } 76 77 return err; 78} 79 80static void 81mlx4_en_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo) 82{ 83 struct mlx4_en_priv *priv = netdev_priv(dev); 84 struct mlx4_en_dev *mdev = priv->mdev; 85 86 strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver)); 87 strlcpy(drvinfo->version, DRV_VERSION " (" DRV_RELDATE ")", 88 sizeof(drvinfo->version)); 89 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 90 "%d.%d.%d", 91 (u16) (mdev->dev->caps.fw_ver >> 32), 92 (u16) ((mdev->dev->caps.fw_ver >> 16) & 0xffff), 93 (u16) (mdev->dev->caps.fw_ver & 0xffff)); 94 strlcpy(drvinfo->bus_info, pci_name(mdev->dev->pdev), 95 sizeof(drvinfo->bus_info)); 96 drvinfo->n_stats = 0; 97 drvinfo->regdump_len = 0; 98 drvinfo->eedump_len = 0; 99} 100 101static const char mlx4_en_priv_flags[][ETH_GSTRING_LEN] = { 102 "blueflame", 103}; 104 105static const char main_strings[][ETH_GSTRING_LEN] = { 106 "rx_packets", "tx_packets", "rx_bytes", "tx_bytes", "rx_errors", 107 "tx_errors", "rx_dropped", "tx_dropped", "multicast", "collisions", 108 "rx_length_errors", "rx_over_errors", "rx_crc_errors", 109 "rx_frame_errors", "rx_fifo_errors", "rx_missed_errors", 110 "tx_aborted_errors", "tx_carrier_errors", "tx_fifo_errors", 111 "tx_heartbeat_errors", "tx_window_errors", 112 113 /* port statistics */ 114 "tso_packets", 115 "xmit_more", 116 "queue_stopped", "wake_queue", "tx_timeout", "rx_alloc_failed", 117 "rx_csum_good", "rx_csum_none", "tx_chksum_offload", 118 119 /* packet statistics */ 120 "broadcast", "rx_prio_0", "rx_prio_1", "rx_prio_2", "rx_prio_3", 121 "rx_prio_4", "rx_prio_5", "rx_prio_6", "rx_prio_7", "tx_prio_0", 122 "tx_prio_1", "tx_prio_2", "tx_prio_3", "tx_prio_4", "tx_prio_5", 123 "tx_prio_6", "tx_prio_7", 124}; 125#define NUM_MAIN_STATS 21 126#define NUM_ALL_STATS (NUM_MAIN_STATS + NUM_PORT_STATS + NUM_PKT_STATS + NUM_PERF_STATS) 127 128static const char mlx4_en_test_names[][ETH_GSTRING_LEN]= { 129 "Interrupt Test", 130 "Link Test", 131 "Speed Test", 132 "Register Test", 133 "Loopback Test", 134}; 135 136static u32 mlx4_en_get_msglevel(struct net_device *dev) 137{ 138 return ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable; 139} 140 141static void mlx4_en_set_msglevel(struct net_device *dev, u32 val) 142{ 143 ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable = val; 144} 145 146static void mlx4_en_get_wol(struct net_device *netdev, 147 struct ethtool_wolinfo *wol) 148{ 149 struct mlx4_en_priv *priv = netdev_priv(netdev); 150 int err = 0; 151 u64 config = 0; 152 u64 mask; 153 154 if ((priv->port < 1) || (priv->port > 2)) { 155 en_err(priv, "Failed to get WoL information\n"); 156 return; 157 } 158 159 mask = (priv->port == 1) ? MLX4_DEV_CAP_FLAG_WOL_PORT1 : 160 MLX4_DEV_CAP_FLAG_WOL_PORT2; 161 162 if (!(priv->mdev->dev->caps.flags & mask)) { 163 wol->supported = 0; 164 wol->wolopts = 0; 165 return; 166 } 167 168 err = mlx4_wol_read(priv->mdev->dev, &config, priv->port); 169 if (err) { 170 en_err(priv, "Failed to get WoL information\n"); 171 return; 172 } 173 174 if (config & MLX4_EN_WOL_MAGIC) 175 wol->supported = WAKE_MAGIC; 176 else 177 wol->supported = 0; 178 179 if (config & MLX4_EN_WOL_ENABLED) 180 wol->wolopts = WAKE_MAGIC; 181 else 182 wol->wolopts = 0; 183} 184 185static int mlx4_en_set_wol(struct net_device *netdev, 186 struct ethtool_wolinfo *wol) 187{ 188 struct mlx4_en_priv *priv = netdev_priv(netdev); 189 u64 config = 0; 190 int err = 0; 191 u64 mask; 192 193 if ((priv->port < 1) || (priv->port > 2)) 194 return -EOPNOTSUPP; 195 196 mask = (priv->port == 1) ? MLX4_DEV_CAP_FLAG_WOL_PORT1 : 197 MLX4_DEV_CAP_FLAG_WOL_PORT2; 198 199 if (!(priv->mdev->dev->caps.flags & mask)) 200 return -EOPNOTSUPP; 201 202 if (wol->supported & ~WAKE_MAGIC) 203 return -EINVAL; 204 205 err = mlx4_wol_read(priv->mdev->dev, &config, priv->port); 206 if (err) { 207 en_err(priv, "Failed to get WoL info, unable to modify\n"); 208 return err; 209 } 210 211 if (wol->wolopts & WAKE_MAGIC) { 212 config |= MLX4_EN_WOL_DO_MODIFY | MLX4_EN_WOL_ENABLED | 213 MLX4_EN_WOL_MAGIC; 214 } else { 215 config &= ~(MLX4_EN_WOL_ENABLED | MLX4_EN_WOL_MAGIC); 216 config |= MLX4_EN_WOL_DO_MODIFY; 217 } 218 219 err = mlx4_wol_write(priv->mdev->dev, config, priv->port); 220 if (err) 221 en_err(priv, "Failed to set WoL information\n"); 222 223 return err; 224} 225 226static int mlx4_en_get_sset_count(struct net_device *dev, int sset) 227{ 228 struct mlx4_en_priv *priv = netdev_priv(dev); 229 int bit_count = hweight64(priv->stats_bitmap); 230 231 switch (sset) { 232 case ETH_SS_STATS: 233 return (priv->stats_bitmap ? bit_count : NUM_ALL_STATS) + 234 (priv->tx_ring_num * 2) + 235#ifdef CONFIG_NET_RX_BUSY_POLL 236 (priv->rx_ring_num * 5); 237#else 238 (priv->rx_ring_num * 2); 239#endif 240 case ETH_SS_TEST: 241 return MLX4_EN_NUM_SELF_TEST - !(priv->mdev->dev->caps.flags 242 & MLX4_DEV_CAP_FLAG_UC_LOOPBACK) * 2; 243 case ETH_SS_PRIV_FLAGS: 244 return ARRAY_SIZE(mlx4_en_priv_flags); 245 default: 246 return -EOPNOTSUPP; 247 } 248} 249 250static void mlx4_en_get_ethtool_stats(struct net_device *dev, 251 struct ethtool_stats *stats, uint64_t *data) 252{ 253 struct mlx4_en_priv *priv = netdev_priv(dev); 254 int index = 0; 255 int i, j = 0; 256 257 spin_lock_bh(&priv->stats_lock); 258 259 if (!(priv->stats_bitmap)) { 260 for (i = 0; i < NUM_MAIN_STATS; i++) 261 data[index++] = 262 ((unsigned long *) &priv->stats)[i]; 263 for (i = 0; i < NUM_PORT_STATS; i++) 264 data[index++] = 265 ((unsigned long *) &priv->port_stats)[i]; 266 for (i = 0; i < NUM_PKT_STATS; i++) 267 data[index++] = 268 ((unsigned long *) &priv->pkstats)[i]; 269 } else { 270 for (i = 0; i < NUM_MAIN_STATS; i++) { 271 if ((priv->stats_bitmap >> j) & 1) 272 data[index++] = 273 ((unsigned long *) &priv->stats)[i]; 274 j++; 275 } 276 for (i = 0; i < NUM_PORT_STATS; i++) { 277 if ((priv->stats_bitmap >> j) & 1) 278 data[index++] = 279 ((unsigned long *) &priv->port_stats)[i]; 280 j++; 281 } 282 } 283 for (i = 0; i < priv->tx_ring_num; i++) { 284 data[index++] = priv->tx_ring[i]->packets; 285 data[index++] = priv->tx_ring[i]->bytes; 286 } 287 for (i = 0; i < priv->rx_ring_num; i++) { 288 data[index++] = priv->rx_ring[i]->packets; 289 data[index++] = priv->rx_ring[i]->bytes; 290#ifdef CONFIG_NET_RX_BUSY_POLL 291 data[index++] = priv->rx_ring[i]->yields; 292 data[index++] = priv->rx_ring[i]->misses; 293 data[index++] = priv->rx_ring[i]->cleaned; 294#endif 295 } 296 spin_unlock_bh(&priv->stats_lock); 297 298} 299 300static void mlx4_en_self_test(struct net_device *dev, 301 struct ethtool_test *etest, u64 *buf) 302{ 303 mlx4_en_ex_selftest(dev, &etest->flags, buf); 304} 305 306static void mlx4_en_get_strings(struct net_device *dev, 307 uint32_t stringset, uint8_t *data) 308{ 309 struct mlx4_en_priv *priv = netdev_priv(dev); 310 int index = 0; 311 int i; 312 313 switch (stringset) { 314 case ETH_SS_TEST: 315 for (i = 0; i < MLX4_EN_NUM_SELF_TEST - 2; i++) 316 strcpy(data + i * ETH_GSTRING_LEN, mlx4_en_test_names[i]); 317 if (priv->mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_UC_LOOPBACK) 318 for (; i < MLX4_EN_NUM_SELF_TEST; i++) 319 strcpy(data + i * ETH_GSTRING_LEN, mlx4_en_test_names[i]); 320 break; 321 322 case ETH_SS_STATS: 323 /* Add main counters */ 324 if (!priv->stats_bitmap) { 325 for (i = 0; i < NUM_MAIN_STATS; i++) 326 strcpy(data + (index++) * ETH_GSTRING_LEN, 327 main_strings[i]); 328 for (i = 0; i < NUM_PORT_STATS; i++) 329 strcpy(data + (index++) * ETH_GSTRING_LEN, 330 main_strings[i + 331 NUM_MAIN_STATS]); 332 for (i = 0; i < NUM_PKT_STATS; i++) 333 strcpy(data + (index++) * ETH_GSTRING_LEN, 334 main_strings[i + 335 NUM_MAIN_STATS + 336 NUM_PORT_STATS]); 337 } else 338 for (i = 0; i < NUM_MAIN_STATS + NUM_PORT_STATS; i++) { 339 if ((priv->stats_bitmap >> i) & 1) { 340 strcpy(data + 341 (index++) * ETH_GSTRING_LEN, 342 main_strings[i]); 343 } 344 if (!(priv->stats_bitmap >> i)) 345 break; 346 } 347 for (i = 0; i < priv->tx_ring_num; i++) { 348 sprintf(data + (index++) * ETH_GSTRING_LEN, 349 "tx%d_packets", i); 350 sprintf(data + (index++) * ETH_GSTRING_LEN, 351 "tx%d_bytes", i); 352 } 353 for (i = 0; i < priv->rx_ring_num; i++) { 354 sprintf(data + (index++) * ETH_GSTRING_LEN, 355 "rx%d_packets", i); 356 sprintf(data + (index++) * ETH_GSTRING_LEN, 357 "rx%d_bytes", i); 358#ifdef CONFIG_NET_RX_BUSY_POLL 359 sprintf(data + (index++) * ETH_GSTRING_LEN, 360 "rx%d_napi_yield", i); 361 sprintf(data + (index++) * ETH_GSTRING_LEN, 362 "rx%d_misses", i); 363 sprintf(data + (index++) * ETH_GSTRING_LEN, 364 "rx%d_cleaned", i); 365#endif 366 } 367 break; 368 case ETH_SS_PRIV_FLAGS: 369 for (i = 0; i < ARRAY_SIZE(mlx4_en_priv_flags); i++) 370 strcpy(data + i * ETH_GSTRING_LEN, 371 mlx4_en_priv_flags[i]); 372 break; 373 374 } 375} 376 377static int mlx4_en_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) 378{ 379 struct mlx4_en_priv *priv = netdev_priv(dev); 380 int trans_type; 381 382 cmd->autoneg = AUTONEG_DISABLE; 383 cmd->supported = SUPPORTED_10000baseT_Full; 384 cmd->advertising = ADVERTISED_10000baseT_Full; 385 386 if (mlx4_en_QUERY_PORT(priv->mdev, priv->port)) 387 return -ENOMEM; 388 389 trans_type = priv->port_state.transciver; 390 if (netif_carrier_ok(dev)) { 391 ethtool_cmd_speed_set(cmd, priv->port_state.link_speed); 392 cmd->duplex = DUPLEX_FULL; 393 } else { 394 ethtool_cmd_speed_set(cmd, SPEED_UNKNOWN); 395 cmd->duplex = DUPLEX_UNKNOWN; 396 } 397 398 if (trans_type > 0 && trans_type <= 0xC) { 399 cmd->port = PORT_FIBRE; 400 cmd->transceiver = XCVR_EXTERNAL; 401 cmd->supported |= SUPPORTED_FIBRE; 402 cmd->advertising |= ADVERTISED_FIBRE; 403 } else if (trans_type == 0x80 || trans_type == 0) { 404 cmd->port = PORT_TP; 405 cmd->transceiver = XCVR_INTERNAL; 406 cmd->supported |= SUPPORTED_TP; 407 cmd->advertising |= ADVERTISED_TP; 408 } else { 409 cmd->port = -1; 410 cmd->transceiver = -1; 411 } 412 return 0; 413} 414 415static int mlx4_en_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) 416{ 417 if ((cmd->autoneg == AUTONEG_ENABLE) || 418 (ethtool_cmd_speed(cmd) != SPEED_10000) || 419 (cmd->duplex != DUPLEX_FULL)) 420 return -EINVAL; 421 422 /* Nothing to change */ 423 return 0; 424} 425 426static int mlx4_en_get_coalesce(struct net_device *dev, 427 struct ethtool_coalesce *coal) 428{ 429 struct mlx4_en_priv *priv = netdev_priv(dev); 430 431 coal->tx_coalesce_usecs = priv->tx_usecs; 432 coal->tx_max_coalesced_frames = priv->tx_frames; 433 coal->tx_max_coalesced_frames_irq = priv->tx_work_limit; 434 435 coal->rx_coalesce_usecs = priv->rx_usecs; 436 coal->rx_max_coalesced_frames = priv->rx_frames; 437 438 coal->pkt_rate_low = priv->pkt_rate_low; 439 coal->rx_coalesce_usecs_low = priv->rx_usecs_low; 440 coal->pkt_rate_high = priv->pkt_rate_high; 441 coal->rx_coalesce_usecs_high = priv->rx_usecs_high; 442 coal->rate_sample_interval = priv->sample_interval; 443 coal->use_adaptive_rx_coalesce = priv->adaptive_rx_coal; 444 445 return 0; 446} 447 448static int mlx4_en_set_coalesce(struct net_device *dev, 449 struct ethtool_coalesce *coal) 450{ 451 struct mlx4_en_priv *priv = netdev_priv(dev); 452 453 if (!coal->tx_max_coalesced_frames_irq) 454 return -EINVAL; 455 456 priv->rx_frames = (coal->rx_max_coalesced_frames == 457 MLX4_EN_AUTO_CONF) ? 458 MLX4_EN_RX_COAL_TARGET : 459 coal->rx_max_coalesced_frames; 460 priv->rx_usecs = (coal->rx_coalesce_usecs == 461 MLX4_EN_AUTO_CONF) ? 462 MLX4_EN_RX_COAL_TIME : 463 coal->rx_coalesce_usecs; 464 465 /* Setting TX coalescing parameters */ 466 if (coal->tx_coalesce_usecs != priv->tx_usecs || 467 coal->tx_max_coalesced_frames != priv->tx_frames) { 468 priv->tx_usecs = coal->tx_coalesce_usecs; 469 priv->tx_frames = coal->tx_max_coalesced_frames; 470 } 471 472 /* Set adaptive coalescing params */ 473 priv->pkt_rate_low = coal->pkt_rate_low; 474 priv->rx_usecs_low = coal->rx_coalesce_usecs_low; 475 priv->pkt_rate_high = coal->pkt_rate_high; 476 priv->rx_usecs_high = coal->rx_coalesce_usecs_high; 477 priv->sample_interval = coal->rate_sample_interval; 478 priv->adaptive_rx_coal = coal->use_adaptive_rx_coalesce; 479 priv->tx_work_limit = coal->tx_max_coalesced_frames_irq; 480 481 return mlx4_en_moderation_update(priv); 482} 483 484static int mlx4_en_set_pauseparam(struct net_device *dev, 485 struct ethtool_pauseparam *pause) 486{ 487 struct mlx4_en_priv *priv = netdev_priv(dev); 488 struct mlx4_en_dev *mdev = priv->mdev; 489 int err; 490 491 if (pause->autoneg) 492 return -EINVAL; 493 494 priv->prof->tx_pause = pause->tx_pause != 0; 495 priv->prof->rx_pause = pause->rx_pause != 0; 496 err = mlx4_SET_PORT_general(mdev->dev, priv->port, 497 priv->rx_skb_size + ETH_FCS_LEN, 498 priv->prof->tx_pause, 499 priv->prof->tx_ppp, 500 priv->prof->rx_pause, 501 priv->prof->rx_ppp); 502 if (err) 503 en_err(priv, "Failed setting pause params\n"); 504 505 return err; 506} 507 508static void mlx4_en_get_pauseparam(struct net_device *dev, 509 struct ethtool_pauseparam *pause) 510{ 511 struct mlx4_en_priv *priv = netdev_priv(dev); 512 513 pause->tx_pause = priv->prof->tx_pause; 514 pause->rx_pause = priv->prof->rx_pause; 515} 516 517static int mlx4_en_set_ringparam(struct net_device *dev, 518 struct ethtool_ringparam *param) 519{ 520 struct mlx4_en_priv *priv = netdev_priv(dev); 521 struct mlx4_en_dev *mdev = priv->mdev; 522 u32 rx_size, tx_size; 523 int port_up = 0; 524 int err = 0; 525 526 if (param->rx_jumbo_pending || param->rx_mini_pending) 527 return -EINVAL; 528 529 rx_size = roundup_pow_of_two(param->rx_pending); 530 rx_size = max_t(u32, rx_size, MLX4_EN_MIN_RX_SIZE); 531 rx_size = min_t(u32, rx_size, MLX4_EN_MAX_RX_SIZE); 532 tx_size = roundup_pow_of_two(param->tx_pending); 533 tx_size = max_t(u32, tx_size, MLX4_EN_MIN_TX_SIZE); 534 tx_size = min_t(u32, tx_size, MLX4_EN_MAX_TX_SIZE); 535 536 if (rx_size == (priv->port_up ? priv->rx_ring[0]->actual_size : 537 priv->rx_ring[0]->size) && 538 tx_size == priv->tx_ring[0]->size) 539 return 0; 540 541 mutex_lock(&mdev->state_lock); 542 if (priv->port_up) { 543 port_up = 1; 544 mlx4_en_stop_port(dev, 1); 545 } 546 547 mlx4_en_free_resources(priv); 548 549 priv->prof->tx_ring_size = tx_size; 550 priv->prof->rx_ring_size = rx_size; 551 552 err = mlx4_en_alloc_resources(priv); 553 if (err) { 554 en_err(priv, "Failed reallocating port resources\n"); 555 goto out; 556 } 557 if (port_up) { 558 err = mlx4_en_start_port(dev); 559 if (err) 560 en_err(priv, "Failed starting port\n"); 561 } 562 563 err = mlx4_en_moderation_update(priv); 564 565out: 566 mutex_unlock(&mdev->state_lock); 567 return err; 568} 569 570static void mlx4_en_get_ringparam(struct net_device *dev, 571 struct ethtool_ringparam *param) 572{ 573 struct mlx4_en_priv *priv = netdev_priv(dev); 574 575 memset(param, 0, sizeof(*param)); 576 param->rx_max_pending = MLX4_EN_MAX_RX_SIZE; 577 param->tx_max_pending = MLX4_EN_MAX_TX_SIZE; 578 param->rx_pending = priv->port_up ? 579 priv->rx_ring[0]->actual_size : priv->rx_ring[0]->size; 580 param->tx_pending = priv->tx_ring[0]->size; 581} 582 583static u32 mlx4_en_get_rxfh_indir_size(struct net_device *dev) 584{ 585 struct mlx4_en_priv *priv = netdev_priv(dev); 586 587 return priv->rx_ring_num; 588} 589 590static int mlx4_en_get_rxfh(struct net_device *dev, u32 *ring_index, u8 *key) 591{ 592 struct mlx4_en_priv *priv = netdev_priv(dev); 593 struct mlx4_en_rss_map *rss_map = &priv->rss_map; 594 int rss_rings; 595 size_t n = priv->rx_ring_num; 596 int err = 0; 597 598 rss_rings = priv->prof->rss_rings ?: priv->rx_ring_num; 599 600 while (n--) { 601 ring_index[n] = rss_map->qps[n % rss_rings].qpn - 602 rss_map->base_qpn; 603 } 604 605 return err; 606} 607 608static int mlx4_en_set_rxfh(struct net_device *dev, const u32 *ring_index, 609 const u8 *key) 610{ 611 struct mlx4_en_priv *priv = netdev_priv(dev); 612 struct mlx4_en_dev *mdev = priv->mdev; 613 int port_up = 0; 614 int err = 0; 615 int i; 616 int rss_rings = 0; 617 618 /* Calculate RSS table size and make sure flows are spread evenly 619 * between rings 620 */ 621 for (i = 0; i < priv->rx_ring_num; i++) { 622 if (i > 0 && !ring_index[i] && !rss_rings) 623 rss_rings = i; 624 625 if (ring_index[i] != (i % (rss_rings ?: priv->rx_ring_num))) 626 return -EINVAL; 627 } 628 629 if (!rss_rings) 630 rss_rings = priv->rx_ring_num; 631 632 /* RSS table size must be an order of 2 */ 633 if (!is_power_of_2(rss_rings)) 634 return -EINVAL; 635 636 mutex_lock(&mdev->state_lock); 637 if (priv->port_up) { 638 port_up = 1; 639 mlx4_en_stop_port(dev, 1); 640 } 641 642 priv->prof->rss_rings = rss_rings; 643 644 if (port_up) { 645 err = mlx4_en_start_port(dev); 646 if (err) 647 en_err(priv, "Failed starting port\n"); 648 } 649 650 mutex_unlock(&mdev->state_lock); 651 return err; 652} 653 654#define all_zeros_or_all_ones(field) \ 655 ((field) == 0 || (field) == (__force typeof(field))-1) 656 657static int mlx4_en_validate_flow(struct net_device *dev, 658 struct ethtool_rxnfc *cmd) 659{ 660 struct ethtool_usrip4_spec *l3_mask; 661 struct ethtool_tcpip4_spec *l4_mask; 662 struct ethhdr *eth_mask; 663 664 if (cmd->fs.location >= MAX_NUM_OF_FS_RULES) 665 return -EINVAL; 666 667 if (cmd->fs.flow_type & FLOW_MAC_EXT) { 668 /* dest mac mask must be ff:ff:ff:ff:ff:ff */ 669 if (!is_broadcast_ether_addr(cmd->fs.m_ext.h_dest)) 670 return -EINVAL; 671 } 672 673 switch (cmd->fs.flow_type & ~(FLOW_EXT | FLOW_MAC_EXT)) { 674 case TCP_V4_FLOW: 675 case UDP_V4_FLOW: 676 if (cmd->fs.m_u.tcp_ip4_spec.tos) 677 return -EINVAL; 678 l4_mask = &cmd->fs.m_u.tcp_ip4_spec; 679 /* don't allow mask which isn't all 0 or 1 */ 680 if (!all_zeros_or_all_ones(l4_mask->ip4src) || 681 !all_zeros_or_all_ones(l4_mask->ip4dst) || 682 !all_zeros_or_all_ones(l4_mask->psrc) || 683 !all_zeros_or_all_ones(l4_mask->pdst)) 684 return -EINVAL; 685 break; 686 case IP_USER_FLOW: 687 l3_mask = &cmd->fs.m_u.usr_ip4_spec; 688 if (l3_mask->l4_4_bytes || l3_mask->tos || l3_mask->proto || 689 cmd->fs.h_u.usr_ip4_spec.ip_ver != ETH_RX_NFC_IP4 || 690 (!l3_mask->ip4src && !l3_mask->ip4dst) || 691 !all_zeros_or_all_ones(l3_mask->ip4src) || 692 !all_zeros_or_all_ones(l3_mask->ip4dst)) 693 return -EINVAL; 694 break; 695 case ETHER_FLOW: 696 eth_mask = &cmd->fs.m_u.ether_spec; 697 /* source mac mask must not be set */ 698 if (!is_zero_ether_addr(eth_mask->h_source)) 699 return -EINVAL; 700 701 /* dest mac mask must be ff:ff:ff:ff:ff:ff */ 702 if (!is_broadcast_ether_addr(eth_mask->h_dest)) 703 return -EINVAL; 704 705 if (!all_zeros_or_all_ones(eth_mask->h_proto)) 706 return -EINVAL; 707 break; 708 default: 709 return -EINVAL; 710 } 711 712 if ((cmd->fs.flow_type & FLOW_EXT)) { 713 if (cmd->fs.m_ext.vlan_etype || 714 !((cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK)) == 715 0 || 716 (cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK)) == 717 cpu_to_be16(VLAN_VID_MASK))) 718 return -EINVAL; 719 720 if (cmd->fs.m_ext.vlan_tci) { 721 if (be16_to_cpu(cmd->fs.h_ext.vlan_tci) >= VLAN_N_VID) 722 return -EINVAL; 723 724 } 725 } 726 727 return 0; 728} 729 730static int mlx4_en_ethtool_add_mac_rule(struct ethtool_rxnfc *cmd, 731 struct list_head *rule_list_h, 732 struct mlx4_spec_list *spec_l2, 733 unsigned char *mac) 734{ 735 int err = 0; 736 __be64 mac_msk = cpu_to_be64(MLX4_MAC_MASK << 16); 737 738 spec_l2->id = MLX4_NET_TRANS_RULE_ID_ETH; 739 memcpy(spec_l2->eth.dst_mac_msk, &mac_msk, ETH_ALEN); 740 memcpy(spec_l2->eth.dst_mac, mac, ETH_ALEN); 741 742 if ((cmd->fs.flow_type & FLOW_EXT) && 743 (cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK))) { 744 spec_l2->eth.vlan_id = cmd->fs.h_ext.vlan_tci; 745 spec_l2->eth.vlan_id_msk = cpu_to_be16(VLAN_VID_MASK); 746 } 747 748 list_add_tail(&spec_l2->list, rule_list_h); 749 750 return err; 751} 752 753static int mlx4_en_ethtool_add_mac_rule_by_ipv4(struct mlx4_en_priv *priv, 754 struct ethtool_rxnfc *cmd, 755 struct list_head *rule_list_h, 756 struct mlx4_spec_list *spec_l2, 757 __be32 ipv4_dst) 758{ 759#ifdef CONFIG_INET 760 unsigned char mac[ETH_ALEN]; 761 762 if (!ipv4_is_multicast(ipv4_dst)) { 763 if (cmd->fs.flow_type & FLOW_MAC_EXT) 764 memcpy(&mac, cmd->fs.h_ext.h_dest, ETH_ALEN); 765 else 766 memcpy(&mac, priv->dev->dev_addr, ETH_ALEN); 767 } else { 768 ip_eth_mc_map(ipv4_dst, mac); 769 } 770 771 return mlx4_en_ethtool_add_mac_rule(cmd, rule_list_h, spec_l2, &mac[0]); 772#else 773 return -EINVAL; 774#endif 775} 776 777static int add_ip_rule(struct mlx4_en_priv *priv, 778 struct ethtool_rxnfc *cmd, 779 struct list_head *list_h) 780{ 781 int err; 782 struct mlx4_spec_list *spec_l2 = NULL; 783 struct mlx4_spec_list *spec_l3 = NULL; 784 struct ethtool_usrip4_spec *l3_mask = &cmd->fs.m_u.usr_ip4_spec; 785 786 spec_l3 = kzalloc(sizeof(*spec_l3), GFP_KERNEL); 787 spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL); 788 if (!spec_l2 || !spec_l3) { 789 err = -ENOMEM; 790 goto free_spec; 791 } 792 793 err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h, spec_l2, 794 cmd->fs.h_u. 795 usr_ip4_spec.ip4dst); 796 if (err) 797 goto free_spec; 798 spec_l3->id = MLX4_NET_TRANS_RULE_ID_IPV4; 799 spec_l3->ipv4.src_ip = cmd->fs.h_u.usr_ip4_spec.ip4src; 800 if (l3_mask->ip4src) 801 spec_l3->ipv4.src_ip_msk = EN_ETHTOOL_WORD_MASK; 802 spec_l3->ipv4.dst_ip = cmd->fs.h_u.usr_ip4_spec.ip4dst; 803 if (l3_mask->ip4dst) 804 spec_l3->ipv4.dst_ip_msk = EN_ETHTOOL_WORD_MASK; 805 list_add_tail(&spec_l3->list, list_h); 806 807 return 0; 808 809free_spec: 810 kfree(spec_l2); 811 kfree(spec_l3); 812 return err; 813} 814 815static int add_tcp_udp_rule(struct mlx4_en_priv *priv, 816 struct ethtool_rxnfc *cmd, 817 struct list_head *list_h, int proto) 818{ 819 int err; 820 struct mlx4_spec_list *spec_l2 = NULL; 821 struct mlx4_spec_list *spec_l3 = NULL; 822 struct mlx4_spec_list *spec_l4 = NULL; 823 struct ethtool_tcpip4_spec *l4_mask = &cmd->fs.m_u.tcp_ip4_spec; 824 825 spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL); 826 spec_l3 = kzalloc(sizeof(*spec_l3), GFP_KERNEL); 827 spec_l4 = kzalloc(sizeof(*spec_l4), GFP_KERNEL); 828 if (!spec_l2 || !spec_l3 || !spec_l4) { 829 err = -ENOMEM; 830 goto free_spec; 831 } 832 833 spec_l3->id = MLX4_NET_TRANS_RULE_ID_IPV4; 834 835 if (proto == TCP_V4_FLOW) { 836 err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h, 837 spec_l2, 838 cmd->fs.h_u. 839 tcp_ip4_spec.ip4dst); 840 if (err) 841 goto free_spec; 842 spec_l4->id = MLX4_NET_TRANS_RULE_ID_TCP; 843 spec_l3->ipv4.src_ip = cmd->fs.h_u.tcp_ip4_spec.ip4src; 844 spec_l3->ipv4.dst_ip = cmd->fs.h_u.tcp_ip4_spec.ip4dst; 845 spec_l4->tcp_udp.src_port = cmd->fs.h_u.tcp_ip4_spec.psrc; 846 spec_l4->tcp_udp.dst_port = cmd->fs.h_u.tcp_ip4_spec.pdst; 847 } else { 848 err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h, 849 spec_l2, 850 cmd->fs.h_u. 851 udp_ip4_spec.ip4dst); 852 if (err) 853 goto free_spec; 854 spec_l4->id = MLX4_NET_TRANS_RULE_ID_UDP; 855 spec_l3->ipv4.src_ip = cmd->fs.h_u.udp_ip4_spec.ip4src; 856 spec_l3->ipv4.dst_ip = cmd->fs.h_u.udp_ip4_spec.ip4dst; 857 spec_l4->tcp_udp.src_port = cmd->fs.h_u.udp_ip4_spec.psrc; 858 spec_l4->tcp_udp.dst_port = cmd->fs.h_u.udp_ip4_spec.pdst; 859 } 860 861 if (l4_mask->ip4src) 862 spec_l3->ipv4.src_ip_msk = EN_ETHTOOL_WORD_MASK; 863 if (l4_mask->ip4dst) 864 spec_l3->ipv4.dst_ip_msk = EN_ETHTOOL_WORD_MASK; 865 866 if (l4_mask->psrc) 867 spec_l4->tcp_udp.src_port_msk = EN_ETHTOOL_SHORT_MASK; 868 if (l4_mask->pdst) 869 spec_l4->tcp_udp.dst_port_msk = EN_ETHTOOL_SHORT_MASK; 870 871 list_add_tail(&spec_l3->list, list_h); 872 list_add_tail(&spec_l4->list, list_h); 873 874 return 0; 875 876free_spec: 877 kfree(spec_l2); 878 kfree(spec_l3); 879 kfree(spec_l4); 880 return err; 881} 882 883static int mlx4_en_ethtool_to_net_trans_rule(struct net_device *dev, 884 struct ethtool_rxnfc *cmd, 885 struct list_head *rule_list_h) 886{ 887 int err; 888 struct ethhdr *eth_spec; 889 struct mlx4_spec_list *spec_l2; 890 struct mlx4_en_priv *priv = netdev_priv(dev); 891 892 err = mlx4_en_validate_flow(dev, cmd); 893 if (err) 894 return err; 895 896 switch (cmd->fs.flow_type & ~(FLOW_EXT | FLOW_MAC_EXT)) { 897 case ETHER_FLOW: 898 spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL); 899 if (!spec_l2) 900 return -ENOMEM; 901 902 eth_spec = &cmd->fs.h_u.ether_spec; 903 mlx4_en_ethtool_add_mac_rule(cmd, rule_list_h, spec_l2, 904 ð_spec->h_dest[0]); 905 spec_l2->eth.ether_type = eth_spec->h_proto; 906 if (eth_spec->h_proto) 907 spec_l2->eth.ether_type_enable = 1; 908 break; 909 case IP_USER_FLOW: 910 err = add_ip_rule(priv, cmd, rule_list_h); 911 break; 912 case TCP_V4_FLOW: 913 err = add_tcp_udp_rule(priv, cmd, rule_list_h, TCP_V4_FLOW); 914 break; 915 case UDP_V4_FLOW: 916 err = add_tcp_udp_rule(priv, cmd, rule_list_h, UDP_V4_FLOW); 917 break; 918 } 919 920 return err; 921} 922 923static int mlx4_en_flow_replace(struct net_device *dev, 924 struct ethtool_rxnfc *cmd) 925{ 926 int err; 927 struct mlx4_en_priv *priv = netdev_priv(dev); 928 struct ethtool_flow_id *loc_rule; 929 struct mlx4_spec_list *spec, *tmp_spec; 930 u32 qpn; 931 u64 reg_id; 932 933 struct mlx4_net_trans_rule rule = { 934 .queue_mode = MLX4_NET_TRANS_Q_FIFO, 935 .exclusive = 0, 936 .allow_loopback = 1, 937 .promisc_mode = MLX4_FS_REGULAR, 938 }; 939 940 rule.port = priv->port; 941 rule.priority = MLX4_DOMAIN_ETHTOOL | cmd->fs.location; 942 INIT_LIST_HEAD(&rule.list); 943 944 /* Allow direct QP attaches if the EN_ETHTOOL_QP_ATTACH flag is set */ 945 if (cmd->fs.ring_cookie == RX_CLS_FLOW_DISC) 946 qpn = priv->drop_qp.qpn; 947 else if (cmd->fs.ring_cookie & EN_ETHTOOL_QP_ATTACH) { 948 qpn = cmd->fs.ring_cookie & (EN_ETHTOOL_QP_ATTACH - 1); 949 } else { 950 if (cmd->fs.ring_cookie >= priv->rx_ring_num) { 951 en_warn(priv, "rxnfc: RX ring (%llu) doesn't exist\n", 952 cmd->fs.ring_cookie); 953 return -EINVAL; 954 } 955 qpn = priv->rss_map.qps[cmd->fs.ring_cookie].qpn; 956 if (!qpn) { 957 en_warn(priv, "rxnfc: RX ring (%llu) is inactive\n", 958 cmd->fs.ring_cookie); 959 return -EINVAL; 960 } 961 } 962 rule.qpn = qpn; 963 err = mlx4_en_ethtool_to_net_trans_rule(dev, cmd, &rule.list); 964 if (err) 965 goto out_free_list; 966 967 loc_rule = &priv->ethtool_rules[cmd->fs.location]; 968 if (loc_rule->id) { 969 err = mlx4_flow_detach(priv->mdev->dev, loc_rule->id); 970 if (err) { 971 en_err(priv, "Fail to detach network rule at location %d. registration id = %llx\n", 972 cmd->fs.location, loc_rule->id); 973 goto out_free_list; 974 } 975 loc_rule->id = 0; 976 memset(&loc_rule->flow_spec, 0, 977 sizeof(struct ethtool_rx_flow_spec)); 978 list_del(&loc_rule->list); 979 } 980 err = mlx4_flow_attach(priv->mdev->dev, &rule, ®_id); 981 if (err) { 982 en_err(priv, "Fail to attach network rule at location %d\n", 983 cmd->fs.location); 984 goto out_free_list; 985 } 986 loc_rule->id = reg_id; 987 memcpy(&loc_rule->flow_spec, &cmd->fs, 988 sizeof(struct ethtool_rx_flow_spec)); 989 list_add_tail(&loc_rule->list, &priv->ethtool_list); 990 991out_free_list: 992 list_for_each_entry_safe(spec, tmp_spec, &rule.list, list) { 993 list_del(&spec->list); 994 kfree(spec); 995 } 996 return err; 997} 998 999static int mlx4_en_flow_detach(struct net_device *dev, 1000 struct ethtool_rxnfc *cmd) 1001{ 1002 int err = 0; 1003 struct ethtool_flow_id *rule; 1004 struct mlx4_en_priv *priv = netdev_priv(dev); 1005 1006 if (cmd->fs.location >= MAX_NUM_OF_FS_RULES) 1007 return -EINVAL; 1008 1009 rule = &priv->ethtool_rules[cmd->fs.location]; 1010 if (!rule->id) { 1011 err = -ENOENT; 1012 goto out; 1013 } 1014 1015 err = mlx4_flow_detach(priv->mdev->dev, rule->id); 1016 if (err) { 1017 en_err(priv, "Fail to detach network rule at location %d. registration id = 0x%llx\n", 1018 cmd->fs.location, rule->id); 1019 goto out; 1020 } 1021 rule->id = 0; 1022 memset(&rule->flow_spec, 0, sizeof(struct ethtool_rx_flow_spec)); 1023 list_del(&rule->list); 1024out: 1025 return err; 1026 1027} 1028 1029static int mlx4_en_get_flow(struct net_device *dev, struct ethtool_rxnfc *cmd, 1030 int loc) 1031{ 1032 int err = 0; 1033 struct ethtool_flow_id *rule; 1034 struct mlx4_en_priv *priv = netdev_priv(dev); 1035 1036 if (loc < 0 || loc >= MAX_NUM_OF_FS_RULES) 1037 return -EINVAL; 1038 1039 rule = &priv->ethtool_rules[loc]; 1040 if (rule->id) 1041 memcpy(&cmd->fs, &rule->flow_spec, 1042 sizeof(struct ethtool_rx_flow_spec)); 1043 else 1044 err = -ENOENT; 1045 1046 return err; 1047} 1048 1049static int mlx4_en_get_num_flows(struct mlx4_en_priv *priv) 1050{ 1051 1052 int i, res = 0; 1053 for (i = 0; i < MAX_NUM_OF_FS_RULES; i++) { 1054 if (priv->ethtool_rules[i].id) 1055 res++; 1056 } 1057 return res; 1058 1059} 1060 1061static int mlx4_en_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd, 1062 u32 *rule_locs) 1063{ 1064 struct mlx4_en_priv *priv = netdev_priv(dev); 1065 struct mlx4_en_dev *mdev = priv->mdev; 1066 int err = 0; 1067 int i = 0, priority = 0; 1068 1069 if ((cmd->cmd == ETHTOOL_GRXCLSRLCNT || 1070 cmd->cmd == ETHTOOL_GRXCLSRULE || 1071 cmd->cmd == ETHTOOL_GRXCLSRLALL) && 1072 (mdev->dev->caps.steering_mode != 1073 MLX4_STEERING_MODE_DEVICE_MANAGED || !priv->port_up)) 1074 return -EINVAL; 1075 1076 switch (cmd->cmd) { 1077 case ETHTOOL_GRXRINGS: 1078 cmd->data = priv->rx_ring_num; 1079 break; 1080 case ETHTOOL_GRXCLSRLCNT: 1081 cmd->rule_cnt = mlx4_en_get_num_flows(priv); 1082 break; 1083 case ETHTOOL_GRXCLSRULE: 1084 err = mlx4_en_get_flow(dev, cmd, cmd->fs.location); 1085 break; 1086 case ETHTOOL_GRXCLSRLALL: 1087 while ((!err || err == -ENOENT) && priority < cmd->rule_cnt) { 1088 err = mlx4_en_get_flow(dev, cmd, i); 1089 if (!err) 1090 rule_locs[priority++] = i; 1091 i++; 1092 } 1093 err = 0; 1094 break; 1095 default: 1096 err = -EOPNOTSUPP; 1097 break; 1098 } 1099 1100 return err; 1101} 1102 1103static int mlx4_en_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd) 1104{ 1105 int err = 0; 1106 struct mlx4_en_priv *priv = netdev_priv(dev); 1107 struct mlx4_en_dev *mdev = priv->mdev; 1108 1109 if (mdev->dev->caps.steering_mode != 1110 MLX4_STEERING_MODE_DEVICE_MANAGED || !priv->port_up) 1111 return -EINVAL; 1112 1113 switch (cmd->cmd) { 1114 case ETHTOOL_SRXCLSRLINS: 1115 err = mlx4_en_flow_replace(dev, cmd); 1116 break; 1117 case ETHTOOL_SRXCLSRLDEL: 1118 err = mlx4_en_flow_detach(dev, cmd); 1119 break; 1120 default: 1121 en_warn(priv, "Unsupported ethtool command. (%d)\n", cmd->cmd); 1122 return -EINVAL; 1123 } 1124 1125 return err; 1126} 1127 1128static void mlx4_en_get_channels(struct net_device *dev, 1129 struct ethtool_channels *channel) 1130{ 1131 struct mlx4_en_priv *priv = netdev_priv(dev); 1132 1133 memset(channel, 0, sizeof(*channel)); 1134 1135 channel->max_rx = MAX_RX_RINGS; 1136 channel->max_tx = MLX4_EN_MAX_TX_RING_P_UP; 1137 1138 channel->rx_count = priv->rx_ring_num; 1139 channel->tx_count = priv->tx_ring_num / MLX4_EN_NUM_UP; 1140} 1141 1142static int mlx4_en_set_channels(struct net_device *dev, 1143 struct ethtool_channels *channel) 1144{ 1145 struct mlx4_en_priv *priv = netdev_priv(dev); 1146 struct mlx4_en_dev *mdev = priv->mdev; 1147 int port_up = 0; 1148 int err = 0; 1149 1150 if (channel->other_count || channel->combined_count || 1151 channel->tx_count > MLX4_EN_MAX_TX_RING_P_UP || 1152 channel->rx_count > MAX_RX_RINGS || 1153 !channel->tx_count || !channel->rx_count) 1154 return -EINVAL; 1155 1156 mutex_lock(&mdev->state_lock); 1157 if (priv->port_up) { 1158 port_up = 1; 1159 mlx4_en_stop_port(dev, 1); 1160 } 1161 1162 mlx4_en_free_resources(priv); 1163 1164 priv->num_tx_rings_p_up = channel->tx_count; 1165 priv->tx_ring_num = channel->tx_count * MLX4_EN_NUM_UP; 1166 priv->rx_ring_num = channel->rx_count; 1167 1168 err = mlx4_en_alloc_resources(priv); 1169 if (err) { 1170 en_err(priv, "Failed reallocating port resources\n"); 1171 goto out; 1172 } 1173 1174 netif_set_real_num_tx_queues(dev, priv->tx_ring_num); 1175 netif_set_real_num_rx_queues(dev, priv->rx_ring_num); 1176 1177 if (dev->num_tc) 1178 mlx4_en_setup_tc(dev, MLX4_EN_NUM_UP); 1179 1180 en_warn(priv, "Using %d TX rings\n", priv->tx_ring_num); 1181 en_warn(priv, "Using %d RX rings\n", priv->rx_ring_num); 1182 1183 if (port_up) { 1184 err = mlx4_en_start_port(dev); 1185 if (err) 1186 en_err(priv, "Failed starting port\n"); 1187 } 1188 1189 err = mlx4_en_moderation_update(priv); 1190 1191out: 1192 mutex_unlock(&mdev->state_lock); 1193 return err; 1194} 1195 1196static int mlx4_en_get_ts_info(struct net_device *dev, 1197 struct ethtool_ts_info *info) 1198{ 1199 struct mlx4_en_priv *priv = netdev_priv(dev); 1200 struct mlx4_en_dev *mdev = priv->mdev; 1201 int ret; 1202 1203 ret = ethtool_op_get_ts_info(dev, info); 1204 if (ret) 1205 return ret; 1206 1207 if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS) { 1208 info->so_timestamping |= 1209 SOF_TIMESTAMPING_TX_HARDWARE | 1210 SOF_TIMESTAMPING_RX_HARDWARE | 1211 SOF_TIMESTAMPING_RAW_HARDWARE; 1212 1213 info->tx_types = 1214 (1 << HWTSTAMP_TX_OFF) | 1215 (1 << HWTSTAMP_TX_ON); 1216 1217 info->rx_filters = 1218 (1 << HWTSTAMP_FILTER_NONE) | 1219 (1 << HWTSTAMP_FILTER_ALL); 1220 1221 if (mdev->ptp_clock) 1222 info->phc_index = ptp_clock_index(mdev->ptp_clock); 1223 } 1224 1225 return ret; 1226} 1227 1228static int mlx4_en_set_priv_flags(struct net_device *dev, u32 flags) 1229{ 1230 struct mlx4_en_priv *priv = netdev_priv(dev); 1231 bool bf_enabled_new = !!(flags & MLX4_EN_PRIV_FLAGS_BLUEFLAME); 1232 bool bf_enabled_old = !!(priv->pflags & MLX4_EN_PRIV_FLAGS_BLUEFLAME); 1233 int i; 1234 1235 if (bf_enabled_new == bf_enabled_old) 1236 return 0; /* Nothing to do */ 1237 1238 if (bf_enabled_new) { 1239 bool bf_supported = true; 1240 1241 for (i = 0; i < priv->tx_ring_num; i++) 1242 bf_supported &= priv->tx_ring[i]->bf_alloced; 1243 1244 if (!bf_supported) { 1245 en_err(priv, "BlueFlame is not supported\n"); 1246 return -EINVAL; 1247 } 1248 1249 priv->pflags |= MLX4_EN_PRIV_FLAGS_BLUEFLAME; 1250 } else { 1251 priv->pflags &= ~MLX4_EN_PRIV_FLAGS_BLUEFLAME; 1252 } 1253 1254 for (i = 0; i < priv->tx_ring_num; i++) 1255 priv->tx_ring[i]->bf_enabled = bf_enabled_new; 1256 1257 en_info(priv, "BlueFlame %s\n", 1258 bf_enabled_new ? "Enabled" : "Disabled"); 1259 1260 return 0; 1261} 1262 1263static u32 mlx4_en_get_priv_flags(struct net_device *dev) 1264{ 1265 struct mlx4_en_priv *priv = netdev_priv(dev); 1266 1267 return priv->pflags; 1268} 1269 1270static int mlx4_en_get_tunable(struct net_device *dev, 1271 const struct ethtool_tunable *tuna, 1272 void *data) 1273{ 1274 const struct mlx4_en_priv *priv = netdev_priv(dev); 1275 int ret = 0; 1276 1277 switch (tuna->id) { 1278 case ETHTOOL_TX_COPYBREAK: 1279 *(u32 *)data = priv->prof->inline_thold; 1280 break; 1281 default: 1282 ret = -EINVAL; 1283 break; 1284 } 1285 1286 return ret; 1287} 1288 1289static int mlx4_en_set_tunable(struct net_device *dev, 1290 const struct ethtool_tunable *tuna, 1291 const void *data) 1292{ 1293 struct mlx4_en_priv *priv = netdev_priv(dev); 1294 int val, ret = 0; 1295 1296 switch (tuna->id) { 1297 case ETHTOOL_TX_COPYBREAK: 1298 val = *(u32 *)data; 1299 if (val < MIN_PKT_LEN || val > MAX_INLINE) 1300 ret = -EINVAL; 1301 else 1302 priv->prof->inline_thold = val; 1303 break; 1304 default: 1305 ret = -EINVAL; 1306 break; 1307 } 1308 1309 return ret; 1310} 1311 1312 1313const struct ethtool_ops mlx4_en_ethtool_ops = { 1314 .get_drvinfo = mlx4_en_get_drvinfo, 1315 .get_settings = mlx4_en_get_settings, 1316 .set_settings = mlx4_en_set_settings, 1317 .get_link = ethtool_op_get_link, 1318 .get_strings = mlx4_en_get_strings, 1319 .get_sset_count = mlx4_en_get_sset_count, 1320 .get_ethtool_stats = mlx4_en_get_ethtool_stats, 1321 .self_test = mlx4_en_self_test, 1322 .get_wol = mlx4_en_get_wol, 1323 .set_wol = mlx4_en_set_wol, 1324 .get_msglevel = mlx4_en_get_msglevel, 1325 .set_msglevel = mlx4_en_set_msglevel, 1326 .get_coalesce = mlx4_en_get_coalesce, 1327 .set_coalesce = mlx4_en_set_coalesce, 1328 .get_pauseparam = mlx4_en_get_pauseparam, 1329 .set_pauseparam = mlx4_en_set_pauseparam, 1330 .get_ringparam = mlx4_en_get_ringparam, 1331 .set_ringparam = mlx4_en_set_ringparam, 1332 .get_rxnfc = mlx4_en_get_rxnfc, 1333 .set_rxnfc = mlx4_en_set_rxnfc, 1334 .get_rxfh_indir_size = mlx4_en_get_rxfh_indir_size, 1335 .get_rxfh = mlx4_en_get_rxfh, 1336 .set_rxfh = mlx4_en_set_rxfh, 1337 .get_channels = mlx4_en_get_channels, 1338 .set_channels = mlx4_en_set_channels, 1339 .get_ts_info = mlx4_en_get_ts_info, 1340 .set_priv_flags = mlx4_en_set_priv_flags, 1341 .get_priv_flags = mlx4_en_get_priv_flags, 1342 .get_tunable = mlx4_en_get_tunable, 1343 .set_tunable = mlx4_en_set_tunable, 1344}; 1345 1346 1347 1348 1349 1350