1 /* 2 * Copyright 2013 Cisco Systems, Inc. All rights reserved. 3 * 4 * This program is free software; you may redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation; version 2 of the License. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 9 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 10 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 11 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 12 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 13 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 14 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 15 * SOFTWARE. 16 * 17 */ 18 19 #include <linux/netdevice.h> 20 #include <linux/ethtool.h> 21 #include <linux/net_tstamp.h> 22 23 #include "enic_res.h" 24 #include "enic.h" 25 #include "enic_dev.h" 26 #include "enic_clsf.h" 27 #include "vnic_rss.h" 28 #include "vnic_stats.h" 29 30 struct enic_stat { 31 char name[ETH_GSTRING_LEN]; 32 unsigned int index; 33 }; 34 35 #define ENIC_TX_STAT(stat) { \ 36 .name = #stat, \ 37 .index = offsetof(struct vnic_tx_stats, stat) / sizeof(u64) \ 38 } 39 40 #define ENIC_RX_STAT(stat) { \ 41 .name = #stat, \ 42 .index = offsetof(struct vnic_rx_stats, stat) / sizeof(u64) \ 43 } 44 45 #define ENIC_GEN_STAT(stat) { \ 46 .name = #stat, \ 47 .index = offsetof(struct vnic_gen_stats, stat) / sizeof(u64)\ 48 } 49 50 static const struct enic_stat enic_tx_stats[] = { 51 ENIC_TX_STAT(tx_frames_ok), 52 ENIC_TX_STAT(tx_unicast_frames_ok), 53 ENIC_TX_STAT(tx_multicast_frames_ok), 54 ENIC_TX_STAT(tx_broadcast_frames_ok), 55 ENIC_TX_STAT(tx_bytes_ok), 56 ENIC_TX_STAT(tx_unicast_bytes_ok), 57 ENIC_TX_STAT(tx_multicast_bytes_ok), 58 ENIC_TX_STAT(tx_broadcast_bytes_ok), 59 ENIC_TX_STAT(tx_drops), 60 ENIC_TX_STAT(tx_errors), 61 ENIC_TX_STAT(tx_tso), 62 }; 63 64 static const struct enic_stat enic_rx_stats[] = { 65 ENIC_RX_STAT(rx_frames_ok), 66 ENIC_RX_STAT(rx_frames_total), 67 ENIC_RX_STAT(rx_unicast_frames_ok), 68 ENIC_RX_STAT(rx_multicast_frames_ok), 69 ENIC_RX_STAT(rx_broadcast_frames_ok), 70 ENIC_RX_STAT(rx_bytes_ok), 71 ENIC_RX_STAT(rx_unicast_bytes_ok), 72 ENIC_RX_STAT(rx_multicast_bytes_ok), 73 ENIC_RX_STAT(rx_broadcast_bytes_ok), 74 ENIC_RX_STAT(rx_drop), 75 ENIC_RX_STAT(rx_no_bufs), 76 ENIC_RX_STAT(rx_errors), 77 ENIC_RX_STAT(rx_rss), 78 ENIC_RX_STAT(rx_crc_errors), 79 ENIC_RX_STAT(rx_frames_64), 80 ENIC_RX_STAT(rx_frames_127), 81 ENIC_RX_STAT(rx_frames_255), 82 ENIC_RX_STAT(rx_frames_511), 83 ENIC_RX_STAT(rx_frames_1023), 84 ENIC_RX_STAT(rx_frames_1518), 85 ENIC_RX_STAT(rx_frames_to_max), 86 }; 87 88 static const struct enic_stat enic_gen_stats[] = { 89 ENIC_GEN_STAT(dma_map_error), 90 }; 91 92 static const unsigned int enic_n_tx_stats = ARRAY_SIZE(enic_tx_stats); 93 static const unsigned int enic_n_rx_stats = ARRAY_SIZE(enic_rx_stats); 94 static const unsigned int enic_n_gen_stats = ARRAY_SIZE(enic_gen_stats); 95 96 static void enic_intr_coal_set_rx(struct enic *enic, u32 timer) 97 { 98 int i; 99 int intr; 100 101 for (i = 0; i < enic->rq_count; i++) { 102 intr = enic_msix_rq_intr(enic, i); 103 vnic_intr_coalescing_timer_set(&enic->intr[intr], timer); 104 } 105 } 106 107 static int enic_get_ksettings(struct net_device *netdev, 108 struct ethtool_link_ksettings *ecmd) 109 { 110 struct enic *enic = netdev_priv(netdev); 111 struct ethtool_link_settings *base = &ecmd->base; 112 113 ethtool_link_ksettings_add_link_mode(ecmd, supported, 114 10000baseT_Full); 115 ethtool_link_ksettings_add_link_mode(ecmd, supported, FIBRE); 116 ethtool_link_ksettings_add_link_mode(ecmd, advertising, 117 10000baseT_Full); 118 ethtool_link_ksettings_add_link_mode(ecmd, advertising, FIBRE); 119 base->port = PORT_FIBRE; 120 121 if (netif_carrier_ok(netdev)) { 122 base->speed = vnic_dev_port_speed(enic->vdev); 123 base->duplex = DUPLEX_FULL; 124 } else { 125 base->speed = SPEED_UNKNOWN; 126 base->duplex = DUPLEX_UNKNOWN; 127 } 128 129 base->autoneg = AUTONEG_DISABLE; 130 131 return 0; 132 } 133 134 static void enic_get_drvinfo(struct net_device *netdev, 135 struct ethtool_drvinfo *drvinfo) 136 { 137 struct enic *enic = netdev_priv(netdev); 138 struct vnic_devcmd_fw_info *fw_info; 139 int err; 140 141 err = enic_dev_fw_info(enic, &fw_info); 142 /* return only when dma_alloc_coherent fails in vnic_dev_fw_info 143 * For other failures, like devcmd failure, we return previously 144 * recorded info. 145 */ 146 if (err == -ENOMEM) 147 return; 148 149 strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver)); 150 strlcpy(drvinfo->fw_version, fw_info->fw_version, 151 sizeof(drvinfo->fw_version)); 152 strlcpy(drvinfo->bus_info, pci_name(enic->pdev), 153 sizeof(drvinfo->bus_info)); 154 } 155 156 static void enic_get_strings(struct net_device *netdev, u32 stringset, 157 u8 *data) 158 { 159 unsigned int i; 160 161 switch (stringset) { 162 case ETH_SS_STATS: 163 for (i = 0; i < enic_n_tx_stats; i++) { 164 memcpy(data, enic_tx_stats[i].name, ETH_GSTRING_LEN); 165 data += ETH_GSTRING_LEN; 166 } 167 for (i = 0; i < enic_n_rx_stats; i++) { 168 memcpy(data, enic_rx_stats[i].name, ETH_GSTRING_LEN); 169 data += ETH_GSTRING_LEN; 170 } 171 for (i = 0; i < enic_n_gen_stats; i++) { 172 memcpy(data, enic_gen_stats[i].name, ETH_GSTRING_LEN); 173 data += ETH_GSTRING_LEN; 174 } 175 break; 176 } 177 } 178 179 static void enic_get_ringparam(struct net_device *netdev, 180 struct ethtool_ringparam *ring, 181 struct kernel_ethtool_ringparam *kernel_ring, 182 struct netlink_ext_ack *extack) 183 { 184 struct enic *enic = netdev_priv(netdev); 185 struct vnic_enet_config *c = &enic->config; 186 187 ring->rx_max_pending = ENIC_MAX_RQ_DESCS; 188 ring->rx_pending = c->rq_desc_count; 189 ring->tx_max_pending = ENIC_MAX_WQ_DESCS; 190 ring->tx_pending = c->wq_desc_count; 191 } 192 193 static int enic_set_ringparam(struct net_device *netdev, 194 struct ethtool_ringparam *ring, 195 struct kernel_ethtool_ringparam *kernel_ring, 196 struct netlink_ext_ack *extack) 197 { 198 struct enic *enic = netdev_priv(netdev); 199 struct vnic_enet_config *c = &enic->config; 200 int running = netif_running(netdev); 201 unsigned int rx_pending; 202 unsigned int tx_pending; 203 int err = 0; 204 205 if (ring->rx_mini_max_pending || ring->rx_mini_pending) { 206 netdev_info(netdev, 207 "modifying mini ring params is not supported"); 208 return -EINVAL; 209 } 210 if (ring->rx_jumbo_max_pending || ring->rx_jumbo_pending) { 211 netdev_info(netdev, 212 "modifying jumbo ring params is not supported"); 213 return -EINVAL; 214 } 215 rx_pending = c->rq_desc_count; 216 tx_pending = c->wq_desc_count; 217 if (ring->rx_pending > ENIC_MAX_RQ_DESCS || 218 ring->rx_pending < ENIC_MIN_RQ_DESCS) { 219 netdev_info(netdev, "rx pending (%u) not in range [%u,%u]", 220 ring->rx_pending, ENIC_MIN_RQ_DESCS, 221 ENIC_MAX_RQ_DESCS); 222 return -EINVAL; 223 } 224 if (ring->tx_pending > ENIC_MAX_WQ_DESCS || 225 ring->tx_pending < ENIC_MIN_WQ_DESCS) { 226 netdev_info(netdev, "tx pending (%u) not in range [%u,%u]", 227 ring->tx_pending, ENIC_MIN_WQ_DESCS, 228 ENIC_MAX_WQ_DESCS); 229 return -EINVAL; 230 } 231 if (running) 232 dev_close(netdev); 233 c->rq_desc_count = 234 ring->rx_pending & 0xffffffe0; /* must be aligned to groups of 32 */ 235 c->wq_desc_count = 236 ring->tx_pending & 0xffffffe0; /* must be aligned to groups of 32 */ 237 enic_free_vnic_resources(enic); 238 err = enic_alloc_vnic_resources(enic); 239 if (err) { 240 netdev_err(netdev, 241 "Failed to alloc vNIC resources, aborting\n"); 242 enic_free_vnic_resources(enic); 243 goto err_out; 244 } 245 enic_init_vnic_resources(enic); 246 if (running) { 247 err = dev_open(netdev, NULL); 248 if (err) 249 goto err_out; 250 } 251 return 0; 252 err_out: 253 c->rq_desc_count = rx_pending; 254 c->wq_desc_count = tx_pending; 255 return err; 256 } 257 258 static int enic_get_sset_count(struct net_device *netdev, int sset) 259 { 260 switch (sset) { 261 case ETH_SS_STATS: 262 return enic_n_tx_stats + enic_n_rx_stats + enic_n_gen_stats; 263 default: 264 return -EOPNOTSUPP; 265 } 266 } 267 268 static void enic_get_ethtool_stats(struct net_device *netdev, 269 struct ethtool_stats *stats, u64 *data) 270 { 271 struct enic *enic = netdev_priv(netdev); 272 struct vnic_stats *vstats; 273 unsigned int i; 274 int err; 275 276 err = enic_dev_stats_dump(enic, &vstats); 277 /* return only when dma_alloc_coherent fails in vnic_dev_stats_dump 278 * For other failures, like devcmd failure, we return previously 279 * recorded stats. 280 */ 281 if (err == -ENOMEM) 282 return; 283 284 for (i = 0; i < enic_n_tx_stats; i++) 285 *(data++) = ((u64 *)&vstats->tx)[enic_tx_stats[i].index]; 286 for (i = 0; i < enic_n_rx_stats; i++) 287 *(data++) = ((u64 *)&vstats->rx)[enic_rx_stats[i].index]; 288 for (i = 0; i < enic_n_gen_stats; i++) 289 *(data++) = ((u64 *)&enic->gen_stats)[enic_gen_stats[i].index]; 290 } 291 292 static u32 enic_get_msglevel(struct net_device *netdev) 293 { 294 struct enic *enic = netdev_priv(netdev); 295 return enic->msg_enable; 296 } 297 298 static void enic_set_msglevel(struct net_device *netdev, u32 value) 299 { 300 struct enic *enic = netdev_priv(netdev); 301 enic->msg_enable = value; 302 } 303 304 static int enic_get_coalesce(struct net_device *netdev, 305 struct ethtool_coalesce *ecmd, 306 struct kernel_ethtool_coalesce *kernel_coal, 307 struct netlink_ext_ack *extack) 308 { 309 struct enic *enic = netdev_priv(netdev); 310 struct enic_rx_coal *rxcoal = &enic->rx_coalesce_setting; 311 312 if (vnic_dev_get_intr_mode(enic->vdev) == VNIC_DEV_INTR_MODE_MSIX) 313 ecmd->tx_coalesce_usecs = enic->tx_coalesce_usecs; 314 ecmd->rx_coalesce_usecs = enic->rx_coalesce_usecs; 315 if (rxcoal->use_adaptive_rx_coalesce) 316 ecmd->use_adaptive_rx_coalesce = 1; 317 ecmd->rx_coalesce_usecs_low = rxcoal->small_pkt_range_start; 318 ecmd->rx_coalesce_usecs_high = rxcoal->range_end; 319 320 return 0; 321 } 322 323 static int enic_coalesce_valid(struct enic *enic, 324 struct ethtool_coalesce *ec) 325 { 326 u32 coalesce_usecs_max = vnic_dev_get_intr_coal_timer_max(enic->vdev); 327 u32 rx_coalesce_usecs_high = min_t(u32, coalesce_usecs_max, 328 ec->rx_coalesce_usecs_high); 329 u32 rx_coalesce_usecs_low = min_t(u32, coalesce_usecs_max, 330 ec->rx_coalesce_usecs_low); 331 332 if ((vnic_dev_get_intr_mode(enic->vdev) != VNIC_DEV_INTR_MODE_MSIX) && 333 ec->tx_coalesce_usecs) 334 return -EINVAL; 335 336 if ((ec->tx_coalesce_usecs > coalesce_usecs_max) || 337 (ec->rx_coalesce_usecs > coalesce_usecs_max) || 338 (ec->rx_coalesce_usecs_low > coalesce_usecs_max) || 339 (ec->rx_coalesce_usecs_high > coalesce_usecs_max)) 340 netdev_info(enic->netdev, "ethtool_set_coalesce: adaptor supports max coalesce value of %d. Setting max value.\n", 341 coalesce_usecs_max); 342 343 if (ec->rx_coalesce_usecs_high && 344 (rx_coalesce_usecs_high < 345 rx_coalesce_usecs_low + ENIC_AIC_LARGE_PKT_DIFF)) 346 return -EINVAL; 347 348 return 0; 349 } 350 351 static int enic_set_coalesce(struct net_device *netdev, 352 struct ethtool_coalesce *ecmd, 353 struct kernel_ethtool_coalesce *kernel_coal, 354 struct netlink_ext_ack *extack) 355 { 356 struct enic *enic = netdev_priv(netdev); 357 u32 tx_coalesce_usecs; 358 u32 rx_coalesce_usecs; 359 u32 rx_coalesce_usecs_low; 360 u32 rx_coalesce_usecs_high; 361 u32 coalesce_usecs_max; 362 unsigned int i, intr; 363 int ret; 364 struct enic_rx_coal *rxcoal = &enic->rx_coalesce_setting; 365 366 ret = enic_coalesce_valid(enic, ecmd); 367 if (ret) 368 return ret; 369 coalesce_usecs_max = vnic_dev_get_intr_coal_timer_max(enic->vdev); 370 tx_coalesce_usecs = min_t(u32, ecmd->tx_coalesce_usecs, 371 coalesce_usecs_max); 372 rx_coalesce_usecs = min_t(u32, ecmd->rx_coalesce_usecs, 373 coalesce_usecs_max); 374 375 rx_coalesce_usecs_low = min_t(u32, ecmd->rx_coalesce_usecs_low, 376 coalesce_usecs_max); 377 rx_coalesce_usecs_high = min_t(u32, ecmd->rx_coalesce_usecs_high, 378 coalesce_usecs_max); 379 380 if (vnic_dev_get_intr_mode(enic->vdev) == VNIC_DEV_INTR_MODE_MSIX) { 381 for (i = 0; i < enic->wq_count; i++) { 382 intr = enic_msix_wq_intr(enic, i); 383 vnic_intr_coalescing_timer_set(&enic->intr[intr], 384 tx_coalesce_usecs); 385 } 386 enic->tx_coalesce_usecs = tx_coalesce_usecs; 387 } 388 rxcoal->use_adaptive_rx_coalesce = !!ecmd->use_adaptive_rx_coalesce; 389 if (!rxcoal->use_adaptive_rx_coalesce) 390 enic_intr_coal_set_rx(enic, rx_coalesce_usecs); 391 if (ecmd->rx_coalesce_usecs_high) { 392 rxcoal->range_end = rx_coalesce_usecs_high; 393 rxcoal->small_pkt_range_start = rx_coalesce_usecs_low; 394 rxcoal->large_pkt_range_start = rx_coalesce_usecs_low + 395 ENIC_AIC_LARGE_PKT_DIFF; 396 } 397 398 enic->rx_coalesce_usecs = rx_coalesce_usecs; 399 400 return 0; 401 } 402 403 static int enic_grxclsrlall(struct enic *enic, struct ethtool_rxnfc *cmd, 404 u32 *rule_locs) 405 { 406 int j, ret = 0, cnt = 0; 407 408 cmd->data = enic->rfs_h.max - enic->rfs_h.free; 409 for (j = 0; j < (1 << ENIC_RFS_FLW_BITSHIFT); j++) { 410 struct hlist_head *hhead; 411 struct hlist_node *tmp; 412 struct enic_rfs_fltr_node *n; 413 414 hhead = &enic->rfs_h.ht_head[j]; 415 hlist_for_each_entry_safe(n, tmp, hhead, node) { 416 if (cnt == cmd->rule_cnt) 417 return -EMSGSIZE; 418 rule_locs[cnt] = n->fltr_id; 419 cnt++; 420 } 421 } 422 cmd->rule_cnt = cnt; 423 424 return ret; 425 } 426 427 static int enic_grxclsrule(struct enic *enic, struct ethtool_rxnfc *cmd) 428 { 429 struct ethtool_rx_flow_spec *fsp = 430 (struct ethtool_rx_flow_spec *)&cmd->fs; 431 struct enic_rfs_fltr_node *n; 432 433 n = htbl_fltr_search(enic, (u16)fsp->location); 434 if (!n) 435 return -EINVAL; 436 switch (n->keys.basic.ip_proto) { 437 case IPPROTO_TCP: 438 fsp->flow_type = TCP_V4_FLOW; 439 break; 440 case IPPROTO_UDP: 441 fsp->flow_type = UDP_V4_FLOW; 442 break; 443 default: 444 return -EINVAL; 445 } 446 447 fsp->h_u.tcp_ip4_spec.ip4src = flow_get_u32_src(&n->keys); 448 fsp->m_u.tcp_ip4_spec.ip4src = (__u32)~0; 449 450 fsp->h_u.tcp_ip4_spec.ip4dst = flow_get_u32_dst(&n->keys); 451 fsp->m_u.tcp_ip4_spec.ip4dst = (__u32)~0; 452 453 fsp->h_u.tcp_ip4_spec.psrc = n->keys.ports.src; 454 fsp->m_u.tcp_ip4_spec.psrc = (__u16)~0; 455 456 fsp->h_u.tcp_ip4_spec.pdst = n->keys.ports.dst; 457 fsp->m_u.tcp_ip4_spec.pdst = (__u16)~0; 458 459 fsp->ring_cookie = n->rq_id; 460 461 return 0; 462 } 463 464 static int enic_get_rx_flow_hash(struct enic *enic, struct ethtool_rxnfc *cmd) 465 { 466 u8 rss_hash_type = 0; 467 cmd->data = 0; 468 469 spin_lock_bh(&enic->devcmd_lock); 470 (void)vnic_dev_capable_rss_hash_type(enic->vdev, &rss_hash_type); 471 spin_unlock_bh(&enic->devcmd_lock); 472 switch (cmd->flow_type) { 473 case TCP_V6_FLOW: 474 case TCP_V4_FLOW: 475 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3 | 476 RXH_IP_SRC | RXH_IP_DST; 477 break; 478 case UDP_V6_FLOW: 479 cmd->data |= RXH_IP_SRC | RXH_IP_DST; 480 if (rss_hash_type & NIC_CFG_RSS_HASH_TYPE_UDP_IPV6) 481 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 482 break; 483 case UDP_V4_FLOW: 484 cmd->data |= RXH_IP_SRC | RXH_IP_DST; 485 if (rss_hash_type & NIC_CFG_RSS_HASH_TYPE_UDP_IPV4) 486 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 487 break; 488 case SCTP_V4_FLOW: 489 case AH_ESP_V4_FLOW: 490 case AH_V4_FLOW: 491 case ESP_V4_FLOW: 492 case SCTP_V6_FLOW: 493 case AH_ESP_V6_FLOW: 494 case AH_V6_FLOW: 495 case ESP_V6_FLOW: 496 case IPV4_FLOW: 497 case IPV6_FLOW: 498 cmd->data |= RXH_IP_SRC | RXH_IP_DST; 499 break; 500 default: 501 return -EINVAL; 502 } 503 504 return 0; 505 } 506 507 static int enic_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd, 508 u32 *rule_locs) 509 { 510 struct enic *enic = netdev_priv(dev); 511 int ret = 0; 512 513 switch (cmd->cmd) { 514 case ETHTOOL_GRXRINGS: 515 cmd->data = enic->rq_count; 516 break; 517 case ETHTOOL_GRXCLSRLCNT: 518 spin_lock_bh(&enic->rfs_h.lock); 519 cmd->rule_cnt = enic->rfs_h.max - enic->rfs_h.free; 520 cmd->data = enic->rfs_h.max; 521 spin_unlock_bh(&enic->rfs_h.lock); 522 break; 523 case ETHTOOL_GRXCLSRLALL: 524 spin_lock_bh(&enic->rfs_h.lock); 525 ret = enic_grxclsrlall(enic, cmd, rule_locs); 526 spin_unlock_bh(&enic->rfs_h.lock); 527 break; 528 case ETHTOOL_GRXCLSRULE: 529 spin_lock_bh(&enic->rfs_h.lock); 530 ret = enic_grxclsrule(enic, cmd); 531 spin_unlock_bh(&enic->rfs_h.lock); 532 break; 533 case ETHTOOL_GRXFH: 534 ret = enic_get_rx_flow_hash(enic, cmd); 535 break; 536 default: 537 ret = -EOPNOTSUPP; 538 break; 539 } 540 541 return ret; 542 } 543 544 static int enic_get_tunable(struct net_device *dev, 545 const struct ethtool_tunable *tuna, void *data) 546 { 547 struct enic *enic = netdev_priv(dev); 548 int ret = 0; 549 550 switch (tuna->id) { 551 case ETHTOOL_RX_COPYBREAK: 552 *(u32 *)data = enic->rx_copybreak; 553 break; 554 default: 555 ret = -EINVAL; 556 break; 557 } 558 559 return ret; 560 } 561 562 static int enic_set_tunable(struct net_device *dev, 563 const struct ethtool_tunable *tuna, 564 const void *data) 565 { 566 struct enic *enic = netdev_priv(dev); 567 int ret = 0; 568 569 switch (tuna->id) { 570 case ETHTOOL_RX_COPYBREAK: 571 enic->rx_copybreak = *(u32 *)data; 572 break; 573 default: 574 ret = -EINVAL; 575 break; 576 } 577 578 return ret; 579 } 580 581 static u32 enic_get_rxfh_key_size(struct net_device *netdev) 582 { 583 return ENIC_RSS_LEN; 584 } 585 586 static int enic_get_rxfh(struct net_device *netdev, u32 *indir, u8 *hkey, 587 u8 *hfunc) 588 { 589 struct enic *enic = netdev_priv(netdev); 590 591 if (hkey) 592 memcpy(hkey, enic->rss_key, ENIC_RSS_LEN); 593 594 if (hfunc) 595 *hfunc = ETH_RSS_HASH_TOP; 596 597 return 0; 598 } 599 600 static int enic_set_rxfh(struct net_device *netdev, const u32 *indir, 601 const u8 *hkey, const u8 hfunc) 602 { 603 struct enic *enic = netdev_priv(netdev); 604 605 if ((hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) || 606 indir) 607 return -EINVAL; 608 609 if (hkey) 610 memcpy(enic->rss_key, hkey, ENIC_RSS_LEN); 611 612 return __enic_set_rsskey(enic); 613 } 614 615 static int enic_get_ts_info(struct net_device *netdev, 616 struct ethtool_ts_info *info) 617 { 618 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | 619 SOF_TIMESTAMPING_RX_SOFTWARE | 620 SOF_TIMESTAMPING_SOFTWARE; 621 622 return 0; 623 } 624 625 static const struct ethtool_ops enic_ethtool_ops = { 626 .supported_coalesce_params = ETHTOOL_COALESCE_USECS | 627 ETHTOOL_COALESCE_USE_ADAPTIVE_RX | 628 ETHTOOL_COALESCE_RX_USECS_LOW | 629 ETHTOOL_COALESCE_RX_USECS_HIGH, 630 .get_drvinfo = enic_get_drvinfo, 631 .get_msglevel = enic_get_msglevel, 632 .set_msglevel = enic_set_msglevel, 633 .get_link = ethtool_op_get_link, 634 .get_strings = enic_get_strings, 635 .get_ringparam = enic_get_ringparam, 636 .set_ringparam = enic_set_ringparam, 637 .get_sset_count = enic_get_sset_count, 638 .get_ethtool_stats = enic_get_ethtool_stats, 639 .get_coalesce = enic_get_coalesce, 640 .set_coalesce = enic_set_coalesce, 641 .get_rxnfc = enic_get_rxnfc, 642 .get_tunable = enic_get_tunable, 643 .set_tunable = enic_set_tunable, 644 .get_rxfh_key_size = enic_get_rxfh_key_size, 645 .get_rxfh = enic_get_rxfh, 646 .set_rxfh = enic_set_rxfh, 647 .get_link_ksettings = enic_get_ksettings, 648 .get_ts_info = enic_get_ts_info, 649 }; 650 651 void enic_set_ethtool_ops(struct net_device *netdev) 652 { 653 netdev->ethtool_ops = &enic_ethtool_ops; 654 } 655