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 pci_zalloc_consistent 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 { 182 struct enic *enic = netdev_priv(netdev); 183 struct vnic_enet_config *c = &enic->config; 184 185 ring->rx_max_pending = ENIC_MAX_RQ_DESCS; 186 ring->rx_pending = c->rq_desc_count; 187 ring->tx_max_pending = ENIC_MAX_WQ_DESCS; 188 ring->tx_pending = c->wq_desc_count; 189 } 190 191 static int enic_set_ringparam(struct net_device *netdev, 192 struct ethtool_ringparam *ring) 193 { 194 struct enic *enic = netdev_priv(netdev); 195 struct vnic_enet_config *c = &enic->config; 196 int running = netif_running(netdev); 197 unsigned int rx_pending; 198 unsigned int tx_pending; 199 int err = 0; 200 201 if (ring->rx_mini_max_pending || ring->rx_mini_pending) { 202 netdev_info(netdev, 203 "modifying mini ring params is not supported"); 204 return -EINVAL; 205 } 206 if (ring->rx_jumbo_max_pending || ring->rx_jumbo_pending) { 207 netdev_info(netdev, 208 "modifying jumbo ring params is not supported"); 209 return -EINVAL; 210 } 211 rx_pending = c->rq_desc_count; 212 tx_pending = c->wq_desc_count; 213 if (ring->rx_pending > ENIC_MAX_RQ_DESCS || 214 ring->rx_pending < ENIC_MIN_RQ_DESCS) { 215 netdev_info(netdev, "rx pending (%u) not in range [%u,%u]", 216 ring->rx_pending, ENIC_MIN_RQ_DESCS, 217 ENIC_MAX_RQ_DESCS); 218 return -EINVAL; 219 } 220 if (ring->tx_pending > ENIC_MAX_WQ_DESCS || 221 ring->tx_pending < ENIC_MIN_WQ_DESCS) { 222 netdev_info(netdev, "tx pending (%u) not in range [%u,%u]", 223 ring->tx_pending, ENIC_MIN_WQ_DESCS, 224 ENIC_MAX_WQ_DESCS); 225 return -EINVAL; 226 } 227 if (running) 228 dev_close(netdev); 229 c->rq_desc_count = 230 ring->rx_pending & 0xffffffe0; /* must be aligned to groups of 32 */ 231 c->wq_desc_count = 232 ring->tx_pending & 0xffffffe0; /* must be aligned to groups of 32 */ 233 enic_free_vnic_resources(enic); 234 err = enic_alloc_vnic_resources(enic); 235 if (err) { 236 netdev_err(netdev, 237 "Failed to alloc vNIC resources, aborting\n"); 238 enic_free_vnic_resources(enic); 239 goto err_out; 240 } 241 enic_init_vnic_resources(enic); 242 if (running) { 243 err = dev_open(netdev, NULL); 244 if (err) 245 goto err_out; 246 } 247 return 0; 248 err_out: 249 c->rq_desc_count = rx_pending; 250 c->wq_desc_count = tx_pending; 251 return err; 252 } 253 254 static int enic_get_sset_count(struct net_device *netdev, int sset) 255 { 256 switch (sset) { 257 case ETH_SS_STATS: 258 return enic_n_tx_stats + enic_n_rx_stats + enic_n_gen_stats; 259 default: 260 return -EOPNOTSUPP; 261 } 262 } 263 264 static void enic_get_ethtool_stats(struct net_device *netdev, 265 struct ethtool_stats *stats, u64 *data) 266 { 267 struct enic *enic = netdev_priv(netdev); 268 struct vnic_stats *vstats; 269 unsigned int i; 270 int err; 271 272 err = enic_dev_stats_dump(enic, &vstats); 273 /* return only when pci_zalloc_consistent fails in vnic_dev_stats_dump 274 * For other failures, like devcmd failure, we return previously 275 * recorded stats. 276 */ 277 if (err == -ENOMEM) 278 return; 279 280 for (i = 0; i < enic_n_tx_stats; i++) 281 *(data++) = ((u64 *)&vstats->tx)[enic_tx_stats[i].index]; 282 for (i = 0; i < enic_n_rx_stats; i++) 283 *(data++) = ((u64 *)&vstats->rx)[enic_rx_stats[i].index]; 284 for (i = 0; i < enic_n_gen_stats; i++) 285 *(data++) = ((u64 *)&enic->gen_stats)[enic_gen_stats[i].index]; 286 } 287 288 static u32 enic_get_msglevel(struct net_device *netdev) 289 { 290 struct enic *enic = netdev_priv(netdev); 291 return enic->msg_enable; 292 } 293 294 static void enic_set_msglevel(struct net_device *netdev, u32 value) 295 { 296 struct enic *enic = netdev_priv(netdev); 297 enic->msg_enable = value; 298 } 299 300 static int enic_get_coalesce(struct net_device *netdev, 301 struct ethtool_coalesce *ecmd, 302 struct kernel_ethtool_coalesce *kernel_coal, 303 struct netlink_ext_ack *extack) 304 { 305 struct enic *enic = netdev_priv(netdev); 306 struct enic_rx_coal *rxcoal = &enic->rx_coalesce_setting; 307 308 if (vnic_dev_get_intr_mode(enic->vdev) == VNIC_DEV_INTR_MODE_MSIX) 309 ecmd->tx_coalesce_usecs = enic->tx_coalesce_usecs; 310 ecmd->rx_coalesce_usecs = enic->rx_coalesce_usecs; 311 if (rxcoal->use_adaptive_rx_coalesce) 312 ecmd->use_adaptive_rx_coalesce = 1; 313 ecmd->rx_coalesce_usecs_low = rxcoal->small_pkt_range_start; 314 ecmd->rx_coalesce_usecs_high = rxcoal->range_end; 315 316 return 0; 317 } 318 319 static int enic_coalesce_valid(struct enic *enic, 320 struct ethtool_coalesce *ec) 321 { 322 u32 coalesce_usecs_max = vnic_dev_get_intr_coal_timer_max(enic->vdev); 323 u32 rx_coalesce_usecs_high = min_t(u32, coalesce_usecs_max, 324 ec->rx_coalesce_usecs_high); 325 u32 rx_coalesce_usecs_low = min_t(u32, coalesce_usecs_max, 326 ec->rx_coalesce_usecs_low); 327 328 if ((vnic_dev_get_intr_mode(enic->vdev) != VNIC_DEV_INTR_MODE_MSIX) && 329 ec->tx_coalesce_usecs) 330 return -EINVAL; 331 332 if ((ec->tx_coalesce_usecs > coalesce_usecs_max) || 333 (ec->rx_coalesce_usecs > coalesce_usecs_max) || 334 (ec->rx_coalesce_usecs_low > coalesce_usecs_max) || 335 (ec->rx_coalesce_usecs_high > coalesce_usecs_max)) 336 netdev_info(enic->netdev, "ethtool_set_coalesce: adaptor supports max coalesce value of %d. Setting max value.\n", 337 coalesce_usecs_max); 338 339 if (ec->rx_coalesce_usecs_high && 340 (rx_coalesce_usecs_high < 341 rx_coalesce_usecs_low + ENIC_AIC_LARGE_PKT_DIFF)) 342 return -EINVAL; 343 344 return 0; 345 } 346 347 static int enic_set_coalesce(struct net_device *netdev, 348 struct ethtool_coalesce *ecmd, 349 struct kernel_ethtool_coalesce *kernel_coal, 350 struct netlink_ext_ack *extack) 351 { 352 struct enic *enic = netdev_priv(netdev); 353 u32 tx_coalesce_usecs; 354 u32 rx_coalesce_usecs; 355 u32 rx_coalesce_usecs_low; 356 u32 rx_coalesce_usecs_high; 357 u32 coalesce_usecs_max; 358 unsigned int i, intr; 359 int ret; 360 struct enic_rx_coal *rxcoal = &enic->rx_coalesce_setting; 361 362 ret = enic_coalesce_valid(enic, ecmd); 363 if (ret) 364 return ret; 365 coalesce_usecs_max = vnic_dev_get_intr_coal_timer_max(enic->vdev); 366 tx_coalesce_usecs = min_t(u32, ecmd->tx_coalesce_usecs, 367 coalesce_usecs_max); 368 rx_coalesce_usecs = min_t(u32, ecmd->rx_coalesce_usecs, 369 coalesce_usecs_max); 370 371 rx_coalesce_usecs_low = min_t(u32, ecmd->rx_coalesce_usecs_low, 372 coalesce_usecs_max); 373 rx_coalesce_usecs_high = min_t(u32, ecmd->rx_coalesce_usecs_high, 374 coalesce_usecs_max); 375 376 if (vnic_dev_get_intr_mode(enic->vdev) == VNIC_DEV_INTR_MODE_MSIX) { 377 for (i = 0; i < enic->wq_count; i++) { 378 intr = enic_msix_wq_intr(enic, i); 379 vnic_intr_coalescing_timer_set(&enic->intr[intr], 380 tx_coalesce_usecs); 381 } 382 enic->tx_coalesce_usecs = tx_coalesce_usecs; 383 } 384 rxcoal->use_adaptive_rx_coalesce = !!ecmd->use_adaptive_rx_coalesce; 385 if (!rxcoal->use_adaptive_rx_coalesce) 386 enic_intr_coal_set_rx(enic, rx_coalesce_usecs); 387 if (ecmd->rx_coalesce_usecs_high) { 388 rxcoal->range_end = rx_coalesce_usecs_high; 389 rxcoal->small_pkt_range_start = rx_coalesce_usecs_low; 390 rxcoal->large_pkt_range_start = rx_coalesce_usecs_low + 391 ENIC_AIC_LARGE_PKT_DIFF; 392 } 393 394 enic->rx_coalesce_usecs = rx_coalesce_usecs; 395 396 return 0; 397 } 398 399 static int enic_grxclsrlall(struct enic *enic, struct ethtool_rxnfc *cmd, 400 u32 *rule_locs) 401 { 402 int j, ret = 0, cnt = 0; 403 404 cmd->data = enic->rfs_h.max - enic->rfs_h.free; 405 for (j = 0; j < (1 << ENIC_RFS_FLW_BITSHIFT); j++) { 406 struct hlist_head *hhead; 407 struct hlist_node *tmp; 408 struct enic_rfs_fltr_node *n; 409 410 hhead = &enic->rfs_h.ht_head[j]; 411 hlist_for_each_entry_safe(n, tmp, hhead, node) { 412 if (cnt == cmd->rule_cnt) 413 return -EMSGSIZE; 414 rule_locs[cnt] = n->fltr_id; 415 cnt++; 416 } 417 } 418 cmd->rule_cnt = cnt; 419 420 return ret; 421 } 422 423 static int enic_grxclsrule(struct enic *enic, struct ethtool_rxnfc *cmd) 424 { 425 struct ethtool_rx_flow_spec *fsp = 426 (struct ethtool_rx_flow_spec *)&cmd->fs; 427 struct enic_rfs_fltr_node *n; 428 429 n = htbl_fltr_search(enic, (u16)fsp->location); 430 if (!n) 431 return -EINVAL; 432 switch (n->keys.basic.ip_proto) { 433 case IPPROTO_TCP: 434 fsp->flow_type = TCP_V4_FLOW; 435 break; 436 case IPPROTO_UDP: 437 fsp->flow_type = UDP_V4_FLOW; 438 break; 439 default: 440 return -EINVAL; 441 } 442 443 fsp->h_u.tcp_ip4_spec.ip4src = flow_get_u32_src(&n->keys); 444 fsp->m_u.tcp_ip4_spec.ip4src = (__u32)~0; 445 446 fsp->h_u.tcp_ip4_spec.ip4dst = flow_get_u32_dst(&n->keys); 447 fsp->m_u.tcp_ip4_spec.ip4dst = (__u32)~0; 448 449 fsp->h_u.tcp_ip4_spec.psrc = n->keys.ports.src; 450 fsp->m_u.tcp_ip4_spec.psrc = (__u16)~0; 451 452 fsp->h_u.tcp_ip4_spec.pdst = n->keys.ports.dst; 453 fsp->m_u.tcp_ip4_spec.pdst = (__u16)~0; 454 455 fsp->ring_cookie = n->rq_id; 456 457 return 0; 458 } 459 460 static int enic_get_rx_flow_hash(struct enic *enic, struct ethtool_rxnfc *cmd) 461 { 462 u8 rss_hash_type = 0; 463 cmd->data = 0; 464 465 spin_lock_bh(&enic->devcmd_lock); 466 (void)vnic_dev_capable_rss_hash_type(enic->vdev, &rss_hash_type); 467 spin_unlock_bh(&enic->devcmd_lock); 468 switch (cmd->flow_type) { 469 case TCP_V6_FLOW: 470 case TCP_V4_FLOW: 471 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3 | 472 RXH_IP_SRC | RXH_IP_DST; 473 break; 474 case UDP_V6_FLOW: 475 cmd->data |= RXH_IP_SRC | RXH_IP_DST; 476 if (rss_hash_type & NIC_CFG_RSS_HASH_TYPE_UDP_IPV6) 477 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 478 break; 479 case UDP_V4_FLOW: 480 cmd->data |= RXH_IP_SRC | RXH_IP_DST; 481 if (rss_hash_type & NIC_CFG_RSS_HASH_TYPE_UDP_IPV4) 482 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 483 break; 484 case SCTP_V4_FLOW: 485 case AH_ESP_V4_FLOW: 486 case AH_V4_FLOW: 487 case ESP_V4_FLOW: 488 case SCTP_V6_FLOW: 489 case AH_ESP_V6_FLOW: 490 case AH_V6_FLOW: 491 case ESP_V6_FLOW: 492 case IPV4_FLOW: 493 case IPV6_FLOW: 494 cmd->data |= RXH_IP_SRC | RXH_IP_DST; 495 break; 496 default: 497 return -EINVAL; 498 } 499 500 return 0; 501 } 502 503 static int enic_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd, 504 u32 *rule_locs) 505 { 506 struct enic *enic = netdev_priv(dev); 507 int ret = 0; 508 509 switch (cmd->cmd) { 510 case ETHTOOL_GRXRINGS: 511 cmd->data = enic->rq_count; 512 break; 513 case ETHTOOL_GRXCLSRLCNT: 514 spin_lock_bh(&enic->rfs_h.lock); 515 cmd->rule_cnt = enic->rfs_h.max - enic->rfs_h.free; 516 cmd->data = enic->rfs_h.max; 517 spin_unlock_bh(&enic->rfs_h.lock); 518 break; 519 case ETHTOOL_GRXCLSRLALL: 520 spin_lock_bh(&enic->rfs_h.lock); 521 ret = enic_grxclsrlall(enic, cmd, rule_locs); 522 spin_unlock_bh(&enic->rfs_h.lock); 523 break; 524 case ETHTOOL_GRXCLSRULE: 525 spin_lock_bh(&enic->rfs_h.lock); 526 ret = enic_grxclsrule(enic, cmd); 527 spin_unlock_bh(&enic->rfs_h.lock); 528 break; 529 case ETHTOOL_GRXFH: 530 ret = enic_get_rx_flow_hash(enic, cmd); 531 break; 532 default: 533 ret = -EOPNOTSUPP; 534 break; 535 } 536 537 return ret; 538 } 539 540 static int enic_get_tunable(struct net_device *dev, 541 const struct ethtool_tunable *tuna, void *data) 542 { 543 struct enic *enic = netdev_priv(dev); 544 int ret = 0; 545 546 switch (tuna->id) { 547 case ETHTOOL_RX_COPYBREAK: 548 *(u32 *)data = enic->rx_copybreak; 549 break; 550 default: 551 ret = -EINVAL; 552 break; 553 } 554 555 return ret; 556 } 557 558 static int enic_set_tunable(struct net_device *dev, 559 const struct ethtool_tunable *tuna, 560 const void *data) 561 { 562 struct enic *enic = netdev_priv(dev); 563 int ret = 0; 564 565 switch (tuna->id) { 566 case ETHTOOL_RX_COPYBREAK: 567 enic->rx_copybreak = *(u32 *)data; 568 break; 569 default: 570 ret = -EINVAL; 571 break; 572 } 573 574 return ret; 575 } 576 577 static u32 enic_get_rxfh_key_size(struct net_device *netdev) 578 { 579 return ENIC_RSS_LEN; 580 } 581 582 static int enic_get_rxfh(struct net_device *netdev, u32 *indir, u8 *hkey, 583 u8 *hfunc) 584 { 585 struct enic *enic = netdev_priv(netdev); 586 587 if (hkey) 588 memcpy(hkey, enic->rss_key, ENIC_RSS_LEN); 589 590 if (hfunc) 591 *hfunc = ETH_RSS_HASH_TOP; 592 593 return 0; 594 } 595 596 static int enic_set_rxfh(struct net_device *netdev, const u32 *indir, 597 const u8 *hkey, const u8 hfunc) 598 { 599 struct enic *enic = netdev_priv(netdev); 600 601 if ((hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) || 602 indir) 603 return -EINVAL; 604 605 if (hkey) 606 memcpy(enic->rss_key, hkey, ENIC_RSS_LEN); 607 608 return __enic_set_rsskey(enic); 609 } 610 611 static int enic_get_ts_info(struct net_device *netdev, 612 struct ethtool_ts_info *info) 613 { 614 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | 615 SOF_TIMESTAMPING_RX_SOFTWARE | 616 SOF_TIMESTAMPING_SOFTWARE; 617 618 return 0; 619 } 620 621 static const struct ethtool_ops enic_ethtool_ops = { 622 .supported_coalesce_params = ETHTOOL_COALESCE_USECS | 623 ETHTOOL_COALESCE_USE_ADAPTIVE_RX | 624 ETHTOOL_COALESCE_RX_USECS_LOW | 625 ETHTOOL_COALESCE_RX_USECS_HIGH, 626 .get_drvinfo = enic_get_drvinfo, 627 .get_msglevel = enic_get_msglevel, 628 .set_msglevel = enic_set_msglevel, 629 .get_link = ethtool_op_get_link, 630 .get_strings = enic_get_strings, 631 .get_ringparam = enic_get_ringparam, 632 .set_ringparam = enic_set_ringparam, 633 .get_sset_count = enic_get_sset_count, 634 .get_ethtool_stats = enic_get_ethtool_stats, 635 .get_coalesce = enic_get_coalesce, 636 .set_coalesce = enic_set_coalesce, 637 .get_rxnfc = enic_get_rxnfc, 638 .get_tunable = enic_get_tunable, 639 .set_tunable = enic_set_tunable, 640 .get_rxfh_key_size = enic_get_rxfh_key_size, 641 .get_rxfh = enic_get_rxfh, 642 .set_rxfh = enic_set_rxfh, 643 .get_link_ksettings = enic_get_ksettings, 644 .get_ts_info = enic_get_ts_info, 645 }; 646 647 void enic_set_ethtool_ops(struct net_device *netdev) 648 { 649 netdev->ethtool_ops = &enic_ethtool_ops; 650 } 651