mlx4_en_netdev.c revision 362511
1/* 2 * Copyright (c) 2007, 2014 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/etherdevice.h> 35#include <linux/delay.h> 36#include <linux/slab.h> 37#include <linux/compat.h> 38#ifdef CONFIG_NET_RX_BUSY_POLL 39#include <net/busy_poll.h> 40#endif 41 42#include <linux/list.h> 43#include <linux/if_ether.h> 44 45#include <dev/mlx4/driver.h> 46#include <dev/mlx4/device.h> 47#include <dev/mlx4/cmd.h> 48#include <dev/mlx4/cq.h> 49 50#include <sys/sockio.h> 51#include <sys/sysctl.h> 52 53#include "en.h" 54#include "en_port.h" 55 56static void mlx4_en_sysctl_stat(struct mlx4_en_priv *priv); 57static void mlx4_en_sysctl_conf(struct mlx4_en_priv *priv); 58 59#ifdef CONFIG_NET_RX_BUSY_POLL 60/* must be called with local_bh_disable()d */ 61static int mlx4_en_low_latency_recv(struct napi_struct *napi) 62{ 63 struct mlx4_en_cq *cq = container_of(napi, struct mlx4_en_cq, napi); 64 struct net_device *dev = cq->dev; 65 struct mlx4_en_priv *priv = netdev_priv(dev); 66 struct mlx4_en_rx_ring *rx_ring = priv->rx_ring[cq->ring]; 67 int done; 68 69 if (!priv->port_up) 70 return LL_FLUSH_FAILED; 71 72 if (!mlx4_en_cq_lock_poll(cq)) 73 return LL_FLUSH_BUSY; 74 75 done = mlx4_en_process_rx_cq(dev, cq, 4); 76#ifdef LL_EXTENDED_STATS 77 if (likely(done)) 78 rx_ring->cleaned += done; 79 else 80 rx_ring->misses++; 81#endif 82 83 mlx4_en_cq_unlock_poll(cq); 84 85 return done; 86} 87#endif /* CONFIG_NET_RX_BUSY_POLL */ 88 89#ifdef CONFIG_RFS_ACCEL 90 91struct mlx4_en_filter { 92 struct list_head next; 93 struct work_struct work; 94 95 u8 ip_proto; 96 __be32 src_ip; 97 __be32 dst_ip; 98 __be16 src_port; 99 __be16 dst_port; 100 101 int rxq_index; 102 struct mlx4_en_priv *priv; 103 u32 flow_id; /* RFS infrastructure id */ 104 int id; /* mlx4_en driver id */ 105 u64 reg_id; /* Flow steering API id */ 106 u8 activated; /* Used to prevent expiry before filter 107 * is attached 108 */ 109 struct hlist_node filter_chain; 110}; 111 112static void mlx4_en_filter_rfs_expire(struct mlx4_en_priv *priv); 113 114static enum mlx4_net_trans_rule_id mlx4_ip_proto_to_trans_rule_id(u8 ip_proto) 115{ 116 switch (ip_proto) { 117 case IPPROTO_UDP: 118 return MLX4_NET_TRANS_RULE_ID_UDP; 119 case IPPROTO_TCP: 120 return MLX4_NET_TRANS_RULE_ID_TCP; 121 default: 122 return MLX4_NET_TRANS_RULE_NUM; 123 } 124}; 125 126static void mlx4_en_filter_work(struct work_struct *work) 127{ 128 struct mlx4_en_filter *filter = container_of(work, 129 struct mlx4_en_filter, 130 work); 131 struct mlx4_en_priv *priv = filter->priv; 132 struct mlx4_spec_list spec_tcp_udp = { 133 .id = mlx4_ip_proto_to_trans_rule_id(filter->ip_proto), 134 { 135 .tcp_udp = { 136 .dst_port = filter->dst_port, 137 .dst_port_msk = (__force __be16)-1, 138 .src_port = filter->src_port, 139 .src_port_msk = (__force __be16)-1, 140 }, 141 }, 142 }; 143 struct mlx4_spec_list spec_ip = { 144 .id = MLX4_NET_TRANS_RULE_ID_IPV4, 145 { 146 .ipv4 = { 147 .dst_ip = filter->dst_ip, 148 .dst_ip_msk = (__force __be32)-1, 149 .src_ip = filter->src_ip, 150 .src_ip_msk = (__force __be32)-1, 151 }, 152 }, 153 }; 154 struct mlx4_spec_list spec_eth = { 155 .id = MLX4_NET_TRANS_RULE_ID_ETH, 156 }; 157 struct mlx4_net_trans_rule rule = { 158 .list = LIST_HEAD_INIT(rule.list), 159 .queue_mode = MLX4_NET_TRANS_Q_LIFO, 160 .exclusive = 1, 161 .allow_loopback = 1, 162 .promisc_mode = MLX4_FS_REGULAR, 163 .port = priv->port, 164 .priority = MLX4_DOMAIN_RFS, 165 }; 166 int rc; 167 __be64 mac_mask = cpu_to_be64(MLX4_MAC_MASK << 16); 168 169 if (spec_tcp_udp.id >= MLX4_NET_TRANS_RULE_NUM) { 170 en_warn(priv, "RFS: ignoring unsupported ip protocol (%d)\n", 171 filter->ip_proto); 172 goto ignore; 173 } 174 list_add_tail(&spec_eth.list, &rule.list); 175 list_add_tail(&spec_ip.list, &rule.list); 176 list_add_tail(&spec_tcp_udp.list, &rule.list); 177 178 rule.qpn = priv->rss_map.qps[filter->rxq_index].qpn; 179 memcpy(spec_eth.eth.dst_mac, priv->dev->dev_addr, ETH_ALEN); 180 memcpy(spec_eth.eth.dst_mac_msk, &mac_mask, ETH_ALEN); 181 182 filter->activated = 0; 183 184 if (filter->reg_id) { 185 rc = mlx4_flow_detach(priv->mdev->dev, filter->reg_id); 186 if (rc && rc != -ENOENT) 187 en_err(priv, "Error detaching flow. rc = %d\n", rc); 188 } 189 190 rc = mlx4_flow_attach(priv->mdev->dev, &rule, &filter->reg_id); 191 if (rc) 192 en_err(priv, "Error attaching flow. err = %d\n", rc); 193 194ignore: 195 mlx4_en_filter_rfs_expire(priv); 196 197 filter->activated = 1; 198} 199 200static inline struct hlist_head * 201filter_hash_bucket(struct mlx4_en_priv *priv, __be32 src_ip, __be32 dst_ip, 202 __be16 src_port, __be16 dst_port) 203{ 204 unsigned long l; 205 int bucket_idx; 206 207 l = (__force unsigned long)src_port | 208 ((__force unsigned long)dst_port << 2); 209 l ^= (__force unsigned long)(src_ip ^ dst_ip); 210 211 bucket_idx = hash_long(l, MLX4_EN_FILTER_HASH_SHIFT); 212 213 return &priv->filter_hash[bucket_idx]; 214} 215 216static struct mlx4_en_filter * 217mlx4_en_filter_alloc(struct mlx4_en_priv *priv, int rxq_index, __be32 src_ip, 218 __be32 dst_ip, u8 ip_proto, __be16 src_port, 219 __be16 dst_port, u32 flow_id) 220{ 221 struct mlx4_en_filter *filter = NULL; 222 223 filter = kzalloc(sizeof(struct mlx4_en_filter), GFP_ATOMIC); 224 if (!filter) 225 return NULL; 226 227 filter->priv = priv; 228 filter->rxq_index = rxq_index; 229 INIT_WORK(&filter->work, mlx4_en_filter_work); 230 231 filter->src_ip = src_ip; 232 filter->dst_ip = dst_ip; 233 filter->ip_proto = ip_proto; 234 filter->src_port = src_port; 235 filter->dst_port = dst_port; 236 237 filter->flow_id = flow_id; 238 239 filter->id = priv->last_filter_id++ % RPS_NO_FILTER; 240 241 list_add_tail(&filter->next, &priv->filters); 242 hlist_add_head(&filter->filter_chain, 243 filter_hash_bucket(priv, src_ip, dst_ip, src_port, 244 dst_port)); 245 246 return filter; 247} 248 249static void mlx4_en_filter_free(struct mlx4_en_filter *filter) 250{ 251 struct mlx4_en_priv *priv = filter->priv; 252 int rc; 253 254 list_del(&filter->next); 255 256 rc = mlx4_flow_detach(priv->mdev->dev, filter->reg_id); 257 if (rc && rc != -ENOENT) 258 en_err(priv, "Error detaching flow. rc = %d\n", rc); 259 260 kfree(filter); 261} 262 263static inline struct mlx4_en_filter * 264mlx4_en_filter_find(struct mlx4_en_priv *priv, __be32 src_ip, __be32 dst_ip, 265 u8 ip_proto, __be16 src_port, __be16 dst_port) 266{ 267 struct mlx4_en_filter *filter; 268 struct mlx4_en_filter *ret = NULL; 269 270 hlist_for_each_entry(filter, 271 filter_hash_bucket(priv, src_ip, dst_ip, 272 src_port, dst_port), 273 filter_chain) { 274 if (filter->src_ip == src_ip && 275 filter->dst_ip == dst_ip && 276 filter->ip_proto == ip_proto && 277 filter->src_port == src_port && 278 filter->dst_port == dst_port) { 279 ret = filter; 280 break; 281 } 282 } 283 284 return ret; 285} 286 287static int 288mlx4_en_filter_rfs(struct net_device *net_dev, const struct sk_buff *skb, 289 u16 rxq_index, u32 flow_id) 290{ 291 struct mlx4_en_priv *priv = netdev_priv(net_dev); 292 struct mlx4_en_filter *filter; 293 const struct iphdr *ip; 294 const __be16 *ports; 295 u8 ip_proto; 296 __be32 src_ip; 297 __be32 dst_ip; 298 __be16 src_port; 299 __be16 dst_port; 300 int nhoff = skb_network_offset(skb); 301 int ret = 0; 302 303 if (skb->protocol != htons(ETH_P_IP)) 304 return -EPROTONOSUPPORT; 305 306 ip = (const struct iphdr *)(skb->data + nhoff); 307 if (ip_is_fragment(ip)) 308 return -EPROTONOSUPPORT; 309 310 if ((ip->protocol != IPPROTO_TCP) && (ip->protocol != IPPROTO_UDP)) 311 return -EPROTONOSUPPORT; 312 ports = (const __be16 *)(skb->data + nhoff + 4 * ip->ihl); 313 314 ip_proto = ip->protocol; 315 src_ip = ip->saddr; 316 dst_ip = ip->daddr; 317 src_port = ports[0]; 318 dst_port = ports[1]; 319 320 spin_lock_bh(&priv->filters_lock); 321 filter = mlx4_en_filter_find(priv, src_ip, dst_ip, ip_proto, 322 src_port, dst_port); 323 if (filter) { 324 if (filter->rxq_index == rxq_index) 325 goto out; 326 327 filter->rxq_index = rxq_index; 328 } else { 329 filter = mlx4_en_filter_alloc(priv, rxq_index, 330 src_ip, dst_ip, ip_proto, 331 src_port, dst_port, flow_id); 332 if (!filter) { 333 ret = -ENOMEM; 334 goto err; 335 } 336 } 337 338 queue_work(priv->mdev->workqueue, &filter->work); 339 340out: 341 ret = filter->id; 342err: 343 spin_unlock_bh(&priv->filters_lock); 344 345 return ret; 346} 347 348void mlx4_en_cleanup_filters(struct mlx4_en_priv *priv) 349{ 350 struct mlx4_en_filter *filter, *tmp; 351 LIST_HEAD(del_list); 352 353 spin_lock_bh(&priv->filters_lock); 354 list_for_each_entry_safe(filter, tmp, &priv->filters, next) { 355 list_move(&filter->next, &del_list); 356 hlist_del(&filter->filter_chain); 357 } 358 spin_unlock_bh(&priv->filters_lock); 359 360 list_for_each_entry_safe(filter, tmp, &del_list, next) { 361 cancel_work_sync(&filter->work); 362 mlx4_en_filter_free(filter); 363 } 364} 365 366static void mlx4_en_filter_rfs_expire(struct mlx4_en_priv *priv) 367{ 368 struct mlx4_en_filter *filter = NULL, *tmp, *last_filter = NULL; 369 LIST_HEAD(del_list); 370 int i = 0; 371 372 spin_lock_bh(&priv->filters_lock); 373 list_for_each_entry_safe(filter, tmp, &priv->filters, next) { 374 if (i > MLX4_EN_FILTER_EXPIRY_QUOTA) 375 break; 376 377 if (filter->activated && 378 !work_pending(&filter->work) && 379 rps_may_expire_flow(priv->dev, 380 filter->rxq_index, filter->flow_id, 381 filter->id)) { 382 list_move(&filter->next, &del_list); 383 hlist_del(&filter->filter_chain); 384 } else 385 last_filter = filter; 386 387 i++; 388 } 389 390 if (last_filter && (&last_filter->next != priv->filters.next)) 391 list_move(&priv->filters, &last_filter->next); 392 393 spin_unlock_bh(&priv->filters_lock); 394 395 list_for_each_entry_safe(filter, tmp, &del_list, next) 396 mlx4_en_filter_free(filter); 397} 398#endif 399 400static void mlx4_en_vlan_rx_add_vid(void *arg, struct net_device *dev, u16 vid) 401{ 402 struct mlx4_en_priv *priv = netdev_priv(dev); 403 struct mlx4_en_dev *mdev = priv->mdev; 404 int err; 405 int idx; 406 407 if (arg != priv) 408 return; 409 410 en_dbg(HW, priv, "adding VLAN:%d\n", vid); 411 412 set_bit(vid, priv->active_vlans); 413 414 /* Add VID to port VLAN filter */ 415 mutex_lock(&mdev->state_lock); 416 if (mdev->device_up && priv->port_up) { 417 err = mlx4_SET_VLAN_FLTR(mdev->dev, priv); 418 if (err) 419 en_err(priv, "Failed configuring VLAN filter\n"); 420 } 421 if (mlx4_register_vlan(mdev->dev, priv->port, vid, &idx)) 422 en_dbg(HW, priv, "failed adding vlan %d\n", vid); 423 mutex_unlock(&mdev->state_lock); 424 425} 426 427static void mlx4_en_vlan_rx_kill_vid(void *arg, struct net_device *dev, u16 vid) 428{ 429 struct mlx4_en_priv *priv = netdev_priv(dev); 430 struct mlx4_en_dev *mdev = priv->mdev; 431 int err; 432 433 if (arg != priv) 434 return; 435 436 en_dbg(HW, priv, "Killing VID:%d\n", vid); 437 438 clear_bit(vid, priv->active_vlans); 439 440 /* Remove VID from port VLAN filter */ 441 mutex_lock(&mdev->state_lock); 442 mlx4_unregister_vlan(mdev->dev, priv->port, vid); 443 444 if (mdev->device_up && priv->port_up) { 445 err = mlx4_SET_VLAN_FLTR(mdev->dev, priv); 446 if (err) 447 en_err(priv, "Failed configuring VLAN filter\n"); 448 } 449 mutex_unlock(&mdev->state_lock); 450 451} 452 453static int mlx4_en_tunnel_steer_add(struct mlx4_en_priv *priv, unsigned char *addr, 454 int qpn, u64 *reg_id) 455{ 456 int err; 457 458 if (priv->mdev->dev->caps.tunnel_offload_mode != MLX4_TUNNEL_OFFLOAD_MODE_VXLAN || 459 priv->mdev->dev->caps.dmfs_high_steer_mode == MLX4_STEERING_DMFS_A0_STATIC) 460 return 0; /* do nothing */ 461 462 err = mlx4_tunnel_steer_add(priv->mdev->dev, addr, priv->port, qpn, 463 MLX4_DOMAIN_NIC, reg_id); 464 if (err) { 465 en_err(priv, "failed to add vxlan steering rule, err %d\n", err); 466 return err; 467 } 468 en_dbg(DRV, priv, "added vxlan steering rule, mac %pM reg_id %llx\n", addr, (long long)*reg_id); 469 return 0; 470} 471 472static int mlx4_en_uc_steer_add(struct mlx4_en_priv *priv, 473 unsigned char *mac, int *qpn, u64 *reg_id) 474{ 475 struct mlx4_en_dev *mdev = priv->mdev; 476 struct mlx4_dev *dev = mdev->dev; 477 int err; 478 479 switch (dev->caps.steering_mode) { 480 case MLX4_STEERING_MODE_B0: { 481 struct mlx4_qp qp; 482 u8 gid[16] = {0}; 483 484 qp.qpn = *qpn; 485 memcpy(&gid[10], mac, ETH_ALEN); 486 gid[5] = priv->port; 487 488 err = mlx4_unicast_attach(dev, &qp, gid, 0, MLX4_PROT_ETH); 489 break; 490 } 491 case MLX4_STEERING_MODE_DEVICE_MANAGED: { 492 struct mlx4_spec_list spec_eth = { {NULL} }; 493 __be64 mac_mask = cpu_to_be64(MLX4_MAC_MASK << 16); 494 495 struct mlx4_net_trans_rule rule = { 496 .queue_mode = MLX4_NET_TRANS_Q_FIFO, 497 .exclusive = 0, 498 .allow_loopback = 1, 499 .promisc_mode = MLX4_FS_REGULAR, 500 .priority = MLX4_DOMAIN_NIC, 501 }; 502 503 rule.port = priv->port; 504 rule.qpn = *qpn; 505 INIT_LIST_HEAD(&rule.list); 506 507 spec_eth.id = MLX4_NET_TRANS_RULE_ID_ETH; 508 memcpy(spec_eth.eth.dst_mac, mac, ETH_ALEN); 509 memcpy(spec_eth.eth.dst_mac_msk, &mac_mask, ETH_ALEN); 510 list_add_tail(&spec_eth.list, &rule.list); 511 512 err = mlx4_flow_attach(dev, &rule, reg_id); 513 break; 514 } 515 default: 516 return -EINVAL; 517 } 518 if (err) 519 en_warn(priv, "Failed Attaching Unicast\n"); 520 521 return err; 522} 523 524static void mlx4_en_uc_steer_release(struct mlx4_en_priv *priv, 525 unsigned char *mac, int qpn, u64 reg_id) 526{ 527 struct mlx4_en_dev *mdev = priv->mdev; 528 struct mlx4_dev *dev = mdev->dev; 529 530 switch (dev->caps.steering_mode) { 531 case MLX4_STEERING_MODE_B0: { 532 struct mlx4_qp qp; 533 u8 gid[16] = {0}; 534 535 qp.qpn = qpn; 536 memcpy(&gid[10], mac, ETH_ALEN); 537 gid[5] = priv->port; 538 539 mlx4_unicast_detach(dev, &qp, gid, MLX4_PROT_ETH); 540 break; 541 } 542 case MLX4_STEERING_MODE_DEVICE_MANAGED: { 543 mlx4_flow_detach(dev, reg_id); 544 break; 545 } 546 default: 547 en_err(priv, "Invalid steering mode.\n"); 548 } 549} 550 551static int mlx4_en_get_qp(struct mlx4_en_priv *priv) 552{ 553 struct mlx4_en_dev *mdev = priv->mdev; 554 struct mlx4_dev *dev = mdev->dev; 555 int index = 0; 556 int err = 0; 557 int *qpn = &priv->base_qpn; 558 u64 mac = mlx4_mac_to_u64(IF_LLADDR(priv->dev)); 559 560 en_dbg(DRV, priv, "Registering MAC: %pM for adding\n", 561 IF_LLADDR(priv->dev)); 562 index = mlx4_register_mac(dev, priv->port, mac); 563 if (index < 0) { 564 err = index; 565 en_err(priv, "Failed adding MAC: %pM\n", 566 IF_LLADDR(priv->dev)); 567 return err; 568 } 569 570 if (dev->caps.steering_mode == MLX4_STEERING_MODE_A0) { 571 int base_qpn = mlx4_get_base_qpn(dev, priv->port); 572 *qpn = base_qpn + index; 573 return 0; 574 } 575 576 err = mlx4_qp_reserve_range(dev, 1, 1, qpn, MLX4_RESERVE_A0_QP); 577 en_dbg(DRV, priv, "Reserved qp %d\n", *qpn); 578 if (err) { 579 en_err(priv, "Failed to reserve qp for mac registration\n"); 580 mlx4_unregister_mac(dev, priv->port, mac); 581 return err; 582 } 583 584 return 0; 585} 586 587static void mlx4_en_put_qp(struct mlx4_en_priv *priv) 588{ 589 struct mlx4_en_dev *mdev = priv->mdev; 590 struct mlx4_dev *dev = mdev->dev; 591 int qpn = priv->base_qpn; 592 593 if (dev->caps.steering_mode == MLX4_STEERING_MODE_A0) { 594 u64 mac = mlx4_mac_to_u64(IF_LLADDR(priv->dev)); 595 en_dbg(DRV, priv, "Registering MAC: %pM for deleting\n", 596 IF_LLADDR(priv->dev)); 597 mlx4_unregister_mac(dev, priv->port, mac); 598 } else { 599 en_dbg(DRV, priv, "Releasing qp: port %d, qpn %d\n", 600 priv->port, qpn); 601 mlx4_qp_release_range(dev, qpn, 1); 602 priv->flags &= ~MLX4_EN_FLAG_FORCE_PROMISC; 603 } 604} 605 606static void mlx4_en_clear_uclist(struct net_device *dev) 607{ 608 struct mlx4_en_priv *priv = netdev_priv(dev); 609 struct mlx4_en_addr_list *tmp, *uc_to_del; 610 611 list_for_each_entry_safe(uc_to_del, tmp, &priv->uc_list, list) { 612 list_del(&uc_to_del->list); 613 kfree(uc_to_del); 614 } 615} 616 617static void mlx4_en_cache_uclist(struct net_device *dev) 618{ 619 struct mlx4_en_priv *priv = netdev_priv(dev); 620 struct mlx4_en_addr_list *tmp; 621 struct ifaddr *ifa; 622 623 mlx4_en_clear_uclist(dev); 624 625 if_addr_rlock(dev); 626 TAILQ_FOREACH(ifa, &dev->if_addrhead, ifa_link) { 627 if (ifa->ifa_addr->sa_family != AF_LINK) 628 continue; 629 if (((struct sockaddr_dl *)ifa->ifa_addr)->sdl_alen != 630 ETHER_ADDR_LEN) 631 continue; 632 tmp = kzalloc(sizeof(struct mlx4_en_addr_list), GFP_ATOMIC); 633 if (tmp == NULL) { 634 en_err(priv, "Failed to allocate address list\n"); 635 break; 636 } 637 memcpy(tmp->addr, 638 LLADDR((struct sockaddr_dl *)ifa->ifa_addr), ETH_ALEN); 639 list_add_tail(&tmp->list, &priv->uc_list); 640 } 641 if_addr_runlock(dev); 642} 643 644static void mlx4_en_clear_mclist(struct net_device *dev) 645{ 646 struct mlx4_en_priv *priv = netdev_priv(dev); 647 struct mlx4_en_addr_list *tmp, *mc_to_del; 648 649 list_for_each_entry_safe(mc_to_del, tmp, &priv->mc_list, list) { 650 list_del(&mc_to_del->list); 651 kfree(mc_to_del); 652 } 653} 654 655static void mlx4_en_cache_mclist(struct net_device *dev) 656{ 657 struct mlx4_en_priv *priv = netdev_priv(dev); 658 struct mlx4_en_addr_list *tmp; 659 struct ifmultiaddr *ifma; 660 661 mlx4_en_clear_mclist(dev); 662 663 if_maddr_rlock(dev); 664 TAILQ_FOREACH(ifma, &dev->if_multiaddrs, ifma_link) { 665 if (ifma->ifma_addr->sa_family != AF_LINK) 666 continue; 667 if (((struct sockaddr_dl *)ifma->ifma_addr)->sdl_alen != 668 ETHER_ADDR_LEN) 669 continue; 670 tmp = kzalloc(sizeof(struct mlx4_en_addr_list), GFP_ATOMIC); 671 if (tmp == NULL) { 672 en_err(priv, "Failed to allocate address list\n"); 673 break; 674 } 675 memcpy(tmp->addr, 676 LLADDR((struct sockaddr_dl *)ifma->ifma_addr), ETH_ALEN); 677 list_add_tail(&tmp->list, &priv->mc_list); 678 } 679 if_maddr_runlock(dev); 680} 681 682static void update_addr_list_flags(struct mlx4_en_priv *priv, 683 struct list_head *dst, 684 struct list_head *src) 685{ 686 struct mlx4_en_addr_list *dst_tmp, *src_tmp, *new_mc; 687 bool found; 688 689 /* Find all the entries that should be removed from dst, 690 * These are the entries that are not found in src 691 */ 692 list_for_each_entry(dst_tmp, dst, list) { 693 found = false; 694 list_for_each_entry(src_tmp, src, list) { 695 if (!memcmp(dst_tmp->addr, src_tmp->addr, ETH_ALEN)) { 696 found = true; 697 break; 698 } 699 } 700 if (!found) 701 dst_tmp->action = MLX4_ADDR_LIST_REM; 702 } 703 704 /* Add entries that exist in src but not in dst 705 * mark them as need to add 706 */ 707 list_for_each_entry(src_tmp, src, list) { 708 found = false; 709 list_for_each_entry(dst_tmp, dst, list) { 710 if (!memcmp(dst_tmp->addr, src_tmp->addr, ETH_ALEN)) { 711 dst_tmp->action = MLX4_ADDR_LIST_NONE; 712 found = true; 713 break; 714 } 715 } 716 if (!found) { 717 new_mc = kmalloc(sizeof(struct mlx4_en_addr_list), 718 GFP_KERNEL); 719 if (!new_mc) { 720 en_err(priv, "Failed to allocate current multicast list\n"); 721 return; 722 } 723 memcpy(new_mc, src_tmp, 724 sizeof(struct mlx4_en_addr_list)); 725 new_mc->action = MLX4_ADDR_LIST_ADD; 726 list_add_tail(&new_mc->list, dst); 727 } 728 } 729} 730 731static void mlx4_en_set_rx_mode(struct net_device *dev) 732{ 733 struct mlx4_en_priv *priv = netdev_priv(dev); 734 735 if (!priv->port_up) 736 return; 737 738 queue_work(priv->mdev->workqueue, &priv->rx_mode_task); 739} 740 741static void mlx4_en_set_promisc_mode(struct mlx4_en_priv *priv, 742 struct mlx4_en_dev *mdev) 743{ 744 int err = 0; 745 746 if (!(priv->flags & MLX4_EN_FLAG_PROMISC)) { 747 priv->flags |= MLX4_EN_FLAG_PROMISC; 748 749 /* Enable promiscouos mode */ 750 switch (mdev->dev->caps.steering_mode) { 751 case MLX4_STEERING_MODE_DEVICE_MANAGED: 752 err = mlx4_flow_steer_promisc_add(mdev->dev, 753 priv->port, 754 priv->base_qpn, 755 MLX4_FS_ALL_DEFAULT); 756 if (err) 757 en_err(priv, "Failed enabling promiscuous mode\n"); 758 priv->flags |= MLX4_EN_FLAG_MC_PROMISC; 759 break; 760 761 case MLX4_STEERING_MODE_B0: 762 err = mlx4_unicast_promisc_add(mdev->dev, 763 priv->base_qpn, 764 priv->port); 765 if (err) 766 en_err(priv, "Failed enabling unicast promiscuous mode\n"); 767 768 /* Add the default qp number as multicast 769 * promisc 770 */ 771 if (!(priv->flags & MLX4_EN_FLAG_MC_PROMISC)) { 772 err = mlx4_multicast_promisc_add(mdev->dev, 773 priv->base_qpn, 774 priv->port); 775 if (err) 776 en_err(priv, "Failed enabling multicast promiscuous mode\n"); 777 priv->flags |= MLX4_EN_FLAG_MC_PROMISC; 778 } 779 break; 780 781 case MLX4_STEERING_MODE_A0: 782 err = mlx4_SET_PORT_qpn_calc(mdev->dev, 783 priv->port, 784 priv->base_qpn, 785 1); 786 if (err) 787 en_err(priv, "Failed enabling promiscuous mode\n"); 788 break; 789 } 790 791 /* Disable port multicast filter (unconditionally) */ 792 err = mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0, 793 0, MLX4_MCAST_DISABLE); 794 if (err) 795 en_err(priv, "Failed disabling multicast filter\n"); 796 } 797} 798 799static void mlx4_en_clear_promisc_mode(struct mlx4_en_priv *priv, 800 struct mlx4_en_dev *mdev) 801{ 802 int err = 0; 803 804 priv->flags &= ~MLX4_EN_FLAG_PROMISC; 805 806 /* Disable promiscouos mode */ 807 switch (mdev->dev->caps.steering_mode) { 808 case MLX4_STEERING_MODE_DEVICE_MANAGED: 809 err = mlx4_flow_steer_promisc_remove(mdev->dev, 810 priv->port, 811 MLX4_FS_ALL_DEFAULT); 812 if (err) 813 en_err(priv, "Failed disabling promiscuous mode\n"); 814 priv->flags &= ~MLX4_EN_FLAG_MC_PROMISC; 815 break; 816 817 case MLX4_STEERING_MODE_B0: 818 err = mlx4_unicast_promisc_remove(mdev->dev, 819 priv->base_qpn, 820 priv->port); 821 if (err) 822 en_err(priv, "Failed disabling unicast promiscuous mode\n"); 823 /* Disable Multicast promisc */ 824 if (priv->flags & MLX4_EN_FLAG_MC_PROMISC) { 825 err = mlx4_multicast_promisc_remove(mdev->dev, 826 priv->base_qpn, 827 priv->port); 828 if (err) 829 en_err(priv, "Failed disabling multicast promiscuous mode\n"); 830 priv->flags &= ~MLX4_EN_FLAG_MC_PROMISC; 831 } 832 break; 833 834 case MLX4_STEERING_MODE_A0: 835 err = mlx4_SET_PORT_qpn_calc(mdev->dev, 836 priv->port, 837 priv->base_qpn, 0); 838 if (err) 839 en_err(priv, "Failed disabling promiscuous mode\n"); 840 break; 841 } 842} 843 844static void mlx4_en_do_multicast(struct mlx4_en_priv *priv, 845 struct net_device *dev, 846 struct mlx4_en_dev *mdev) 847{ 848 struct mlx4_en_addr_list *addr_list, *tmp; 849 u8 mc_list[16] = {0}; 850 int err = 0; 851 u64 mcast_addr = 0; 852 853 854 /* Enable/disable the multicast filter according to IFF_ALLMULTI */ 855 if (dev->if_flags & IFF_ALLMULTI) { 856 err = mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0, 857 0, MLX4_MCAST_DISABLE); 858 if (err) 859 en_err(priv, "Failed disabling multicast filter\n"); 860 861 /* Add the default qp number as multicast promisc */ 862 if (!(priv->flags & MLX4_EN_FLAG_MC_PROMISC)) { 863 switch (mdev->dev->caps.steering_mode) { 864 case MLX4_STEERING_MODE_DEVICE_MANAGED: 865 err = mlx4_flow_steer_promisc_add(mdev->dev, 866 priv->port, 867 priv->base_qpn, 868 MLX4_FS_MC_DEFAULT); 869 break; 870 871 case MLX4_STEERING_MODE_B0: 872 err = mlx4_multicast_promisc_add(mdev->dev, 873 priv->base_qpn, 874 priv->port); 875 break; 876 877 case MLX4_STEERING_MODE_A0: 878 break; 879 } 880 if (err) 881 en_err(priv, "Failed entering multicast promisc mode\n"); 882 priv->flags |= MLX4_EN_FLAG_MC_PROMISC; 883 } 884 } else { 885 /* Disable Multicast promisc */ 886 if (priv->flags & MLX4_EN_FLAG_MC_PROMISC) { 887 switch (mdev->dev->caps.steering_mode) { 888 case MLX4_STEERING_MODE_DEVICE_MANAGED: 889 err = mlx4_flow_steer_promisc_remove(mdev->dev, 890 priv->port, 891 MLX4_FS_MC_DEFAULT); 892 break; 893 894 case MLX4_STEERING_MODE_B0: 895 err = mlx4_multicast_promisc_remove(mdev->dev, 896 priv->base_qpn, 897 priv->port); 898 break; 899 900 case MLX4_STEERING_MODE_A0: 901 break; 902 } 903 if (err) 904 en_err(priv, "Failed disabling multicast promiscuous mode\n"); 905 priv->flags &= ~MLX4_EN_FLAG_MC_PROMISC; 906 } 907 908 err = mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0, 909 0, MLX4_MCAST_DISABLE); 910 if (err) 911 en_err(priv, "Failed disabling multicast filter\n"); 912 913 /* Flush mcast filter and init it with broadcast address */ 914 mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, ETH_BCAST, 915 1, MLX4_MCAST_CONFIG); 916 917 /* Update multicast list - we cache all addresses so they won't 918 * change while HW is updated holding the command semaphor */ 919 mlx4_en_cache_mclist(dev); 920 list_for_each_entry(addr_list, &priv->mc_list, list) { 921 mcast_addr = mlx4_mac_to_u64(addr_list->addr); 922 mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 923 mcast_addr, 0, MLX4_MCAST_CONFIG); 924 } 925 err = mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0, 926 0, MLX4_MCAST_ENABLE); 927 if (err) 928 en_err(priv, "Failed enabling multicast filter\n"); 929 930 update_addr_list_flags(priv, &priv->curr_mc_list, &priv->mc_list); 931 932 list_for_each_entry_safe(addr_list, tmp, &priv->curr_mc_list, list) { 933 if (addr_list->action == MLX4_ADDR_LIST_REM) { 934 /* detach this address and delete from list */ 935 memcpy(&mc_list[10], addr_list->addr, ETH_ALEN); 936 mc_list[5] = priv->port; 937 err = mlx4_multicast_detach(mdev->dev, 938 &priv->rss_map.indir_qp, 939 mc_list, 940 MLX4_PROT_ETH, 941 addr_list->reg_id); 942 if (err) 943 en_err(priv, "Fail to detach multicast address\n"); 944 945 if (addr_list->tunnel_reg_id) { 946 err = mlx4_flow_detach(priv->mdev->dev, addr_list->tunnel_reg_id); 947 if (err) 948 en_err(priv, "Failed to detach multicast address\n"); 949 } 950 951 /* remove from list */ 952 list_del(&addr_list->list); 953 kfree(addr_list); 954 } else if (addr_list->action == MLX4_ADDR_LIST_ADD) { 955 /* attach the address */ 956 memcpy(&mc_list[10], addr_list->addr, ETH_ALEN); 957 /* needed for B0 steering support */ 958 mc_list[5] = priv->port; 959 err = mlx4_multicast_attach(mdev->dev, 960 &priv->rss_map.indir_qp, 961 mc_list, 962 priv->port, 0, 963 MLX4_PROT_ETH, 964 &addr_list->reg_id); 965 if (err) 966 en_err(priv, "Fail to attach multicast address\n"); 967 968 err = mlx4_en_tunnel_steer_add(priv, &mc_list[10], priv->base_qpn, 969 &addr_list->tunnel_reg_id); 970 if (err) 971 en_err(priv, "Failed to attach multicast address\n"); 972 } 973 } 974 } 975} 976 977static void mlx4_en_do_unicast(struct mlx4_en_priv *priv, 978 struct net_device *dev, 979 struct mlx4_en_dev *mdev) 980{ 981 struct mlx4_en_addr_list *addr_list, *tmp; 982 int err; 983 984 /* Update unicast list */ 985 mlx4_en_cache_uclist(dev); 986 987 update_addr_list_flags(priv, &priv->curr_uc_list, &priv->uc_list); 988 989 list_for_each_entry_safe(addr_list, tmp, &priv->curr_uc_list, list) { 990 if (addr_list->action == MLX4_ADDR_LIST_REM) { 991 mlx4_en_uc_steer_release(priv, addr_list->addr, 992 priv->rss_map.indir_qp.qpn, 993 addr_list->reg_id); 994 /* remove from list */ 995 list_del(&addr_list->list); 996 kfree(addr_list); 997 } else if (addr_list->action == MLX4_ADDR_LIST_ADD) { 998 err = mlx4_en_uc_steer_add(priv, addr_list->addr, 999 &priv->rss_map.indir_qp.qpn, 1000 &addr_list->reg_id); 1001 if (err) 1002 en_err(priv, "Fail to add unicast address\n"); 1003 } 1004 } 1005} 1006 1007static void mlx4_en_do_set_rx_mode(struct work_struct *work) 1008{ 1009 struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv, 1010 rx_mode_task); 1011 struct mlx4_en_dev *mdev = priv->mdev; 1012 struct net_device *dev = priv->dev; 1013 1014 mutex_lock(&mdev->state_lock); 1015 if (!mdev->device_up) { 1016 en_dbg(HW, priv, "Card is not up, ignoring rx mode change.\n"); 1017 goto out; 1018 } 1019 if (!priv->port_up) { 1020 en_dbg(HW, priv, "Port is down, ignoring rx mode change.\n"); 1021 goto out; 1022 } 1023 if (!mlx4_en_QUERY_PORT(mdev, priv->port)) { 1024 if (priv->port_state.link_state) { 1025 priv->last_link_state = MLX4_DEV_EVENT_PORT_UP; 1026 /* update netif baudrate */ 1027 priv->dev->if_baudrate = 1028 IF_Mbps(priv->port_state.link_speed); 1029 /* Important note: the following call for if_link_state_change 1030 * is needed for interface up scenario (start port, link state 1031 * change) */ 1032 if_link_state_change(priv->dev, LINK_STATE_UP); 1033 en_dbg(HW, priv, "Link Up\n"); 1034 } 1035 } 1036 1037 /* Set unicast rules */ 1038 mlx4_en_do_unicast(priv, dev, mdev); 1039 1040 /* Promsicuous mode: disable all filters */ 1041 if ((dev->if_flags & IFF_PROMISC) || 1042 (priv->flags & MLX4_EN_FLAG_FORCE_PROMISC)) { 1043 mlx4_en_set_promisc_mode(priv, mdev); 1044 } else if (priv->flags & MLX4_EN_FLAG_PROMISC) { 1045 /* Not in promiscuous mode */ 1046 mlx4_en_clear_promisc_mode(priv, mdev); 1047 } 1048 1049 /* Set multicast rules */ 1050 mlx4_en_do_multicast(priv, dev, mdev); 1051out: 1052 mutex_unlock(&mdev->state_lock); 1053} 1054 1055static void mlx4_en_watchdog_timeout(void *arg) 1056{ 1057 struct mlx4_en_priv *priv = arg; 1058 struct mlx4_en_dev *mdev = priv->mdev; 1059 1060 en_dbg(DRV, priv, "Scheduling watchdog\n"); 1061 queue_work(mdev->workqueue, &priv->watchdog_task); 1062 if (priv->port_up) 1063 callout_reset(&priv->watchdog_timer, MLX4_EN_WATCHDOG_TIMEOUT, 1064 mlx4_en_watchdog_timeout, priv); 1065} 1066 1067 1068 1069static void mlx4_en_set_default_moderation(struct mlx4_en_priv *priv) 1070{ 1071 struct mlx4_en_cq *cq; 1072 int i; 1073 1074 /* If we haven't received a specific coalescing setting 1075 * (module param), we set the moderation parameters as follows: 1076 * - moder_cnt is set to the number of mtu sized packets to 1077 * satisfy our coalescing target. 1078 * - moder_time is set to a fixed value. 1079 */ 1080 priv->rx_frames = MLX4_EN_RX_COAL_TARGET; 1081 priv->rx_usecs = MLX4_EN_RX_COAL_TIME; 1082 priv->tx_frames = MLX4_EN_TX_COAL_PKTS; 1083 priv->tx_usecs = MLX4_EN_TX_COAL_TIME; 1084 en_dbg(INTR, priv, "Default coalesing params for mtu: %u - " 1085 "rx_frames:%d rx_usecs:%d\n", 1086 (unsigned)priv->dev->if_mtu, priv->rx_frames, priv->rx_usecs); 1087 1088 /* Setup cq moderation params */ 1089 for (i = 0; i < priv->rx_ring_num; i++) { 1090 cq = priv->rx_cq[i]; 1091 cq->moder_cnt = priv->rx_frames; 1092 cq->moder_time = priv->rx_usecs; 1093 priv->last_moder_time[i] = MLX4_EN_AUTO_CONF; 1094 priv->last_moder_packets[i] = 0; 1095 priv->last_moder_bytes[i] = 0; 1096 } 1097 1098 for (i = 0; i < priv->tx_ring_num; i++) { 1099 cq = priv->tx_cq[i]; 1100 cq->moder_cnt = priv->tx_frames; 1101 cq->moder_time = priv->tx_usecs; 1102 } 1103 1104 /* Reset auto-moderation params */ 1105 priv->pkt_rate_low = MLX4_EN_RX_RATE_LOW; 1106 priv->rx_usecs_low = MLX4_EN_RX_COAL_TIME_LOW; 1107 priv->pkt_rate_high = MLX4_EN_RX_RATE_HIGH; 1108 priv->rx_usecs_high = MLX4_EN_RX_COAL_TIME_HIGH; 1109 priv->sample_interval = MLX4_EN_SAMPLE_INTERVAL; 1110 priv->adaptive_rx_coal = 1; 1111 priv->last_moder_jiffies = 0; 1112 priv->last_moder_tx_packets = 0; 1113} 1114 1115static void mlx4_en_auto_moderation(struct mlx4_en_priv *priv) 1116{ 1117 unsigned long period = (unsigned long) (jiffies - priv->last_moder_jiffies); 1118 struct mlx4_en_cq *cq; 1119 unsigned long packets; 1120 unsigned long rate; 1121 unsigned long avg_pkt_size; 1122 unsigned long rx_packets; 1123 unsigned long rx_bytes; 1124 unsigned long rx_pkt_diff; 1125 int moder_time; 1126 int ring, err; 1127 1128 if (!priv->adaptive_rx_coal || period < priv->sample_interval * HZ) 1129 return; 1130 1131 for (ring = 0; ring < priv->rx_ring_num; ring++) { 1132 spin_lock(&priv->stats_lock); 1133 rx_packets = priv->rx_ring[ring]->packets; 1134 rx_bytes = priv->rx_ring[ring]->bytes; 1135 spin_unlock(&priv->stats_lock); 1136 1137 rx_pkt_diff = ((unsigned long) (rx_packets - 1138 priv->last_moder_packets[ring])); 1139 packets = rx_pkt_diff; 1140 rate = packets * HZ / period; 1141 avg_pkt_size = packets ? ((unsigned long) (rx_bytes - 1142 priv->last_moder_bytes[ring])) / packets : 0; 1143 1144 /* Apply auto-moderation only when packet rate 1145 * exceeds a rate that it matters */ 1146 if (rate > (MLX4_EN_RX_RATE_THRESH / priv->rx_ring_num) && 1147 avg_pkt_size > MLX4_EN_AVG_PKT_SMALL) { 1148 if (rate < priv->pkt_rate_low) 1149 moder_time = priv->rx_usecs_low; 1150 else if (rate > priv->pkt_rate_high) 1151 moder_time = priv->rx_usecs_high; 1152 else 1153 moder_time = (rate - priv->pkt_rate_low) * 1154 (priv->rx_usecs_high - priv->rx_usecs_low) / 1155 (priv->pkt_rate_high - priv->pkt_rate_low) + 1156 priv->rx_usecs_low; 1157 } else { 1158 moder_time = priv->rx_usecs_low; 1159 } 1160 1161 if (moder_time != priv->last_moder_time[ring]) { 1162 priv->last_moder_time[ring] = moder_time; 1163 cq = priv->rx_cq[ring]; 1164 cq->moder_time = moder_time; 1165 cq->moder_cnt = priv->rx_frames; 1166 err = mlx4_en_set_cq_moder(priv, cq); 1167 if (err) 1168 en_err(priv, "Failed modifying moderation for cq:%d\n", 1169 ring); 1170 } 1171 priv->last_moder_packets[ring] = rx_packets; 1172 priv->last_moder_bytes[ring] = rx_bytes; 1173 } 1174 1175 priv->last_moder_jiffies = jiffies; 1176} 1177 1178static void mlx4_en_do_get_stats(struct work_struct *work) 1179{ 1180 struct delayed_work *delay = to_delayed_work(work); 1181 struct mlx4_en_priv *priv = container_of(delay, struct mlx4_en_priv, 1182 stats_task); 1183 struct mlx4_en_dev *mdev = priv->mdev; 1184 int err; 1185 1186 mutex_lock(&mdev->state_lock); 1187 if (mdev->device_up) { 1188 if (priv->port_up) { 1189 if (mlx4_is_slave(mdev->dev)) 1190 err = mlx4_en_get_vport_stats(mdev, priv->port); 1191 else 1192 err = mlx4_en_DUMP_ETH_STATS(mdev, priv->port, 0); 1193 if (err) 1194 en_dbg(HW, priv, "Could not update stats\n"); 1195 1196 mlx4_en_auto_moderation(priv); 1197 } 1198 1199 queue_delayed_work(mdev->workqueue, &priv->stats_task, STATS_DELAY); 1200 } 1201 mutex_unlock(&mdev->state_lock); 1202} 1203 1204/* mlx4_en_service_task - Run service task for tasks that needed to be done 1205 * periodically 1206 */ 1207static void mlx4_en_service_task(struct work_struct *work) 1208{ 1209 struct delayed_work *delay = to_delayed_work(work); 1210 struct mlx4_en_priv *priv = container_of(delay, struct mlx4_en_priv, 1211 service_task); 1212 struct mlx4_en_dev *mdev = priv->mdev; 1213 1214 mutex_lock(&mdev->state_lock); 1215 if (mdev->device_up) { 1216 queue_delayed_work(mdev->workqueue, &priv->service_task, 1217 SERVICE_TASK_DELAY); 1218 } 1219 mutex_unlock(&mdev->state_lock); 1220} 1221 1222static void mlx4_en_linkstate(struct work_struct *work) 1223{ 1224 struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv, 1225 linkstate_task); 1226 struct mlx4_en_dev *mdev = priv->mdev; 1227 int linkstate = priv->link_state; 1228 1229 mutex_lock(&mdev->state_lock); 1230 /* If observable port state changed set carrier state and 1231 * report to system log */ 1232 if (priv->last_link_state != linkstate) { 1233 if (linkstate == MLX4_DEV_EVENT_PORT_DOWN) { 1234 en_info(priv, "Link Down\n"); 1235 if_link_state_change(priv->dev, LINK_STATE_DOWN); 1236 /* update netif baudrate */ 1237 priv->dev->if_baudrate = 0; 1238 1239 /* make sure the port is up before notifying the OS. 1240 * This is tricky since we get here on INIT_PORT and 1241 * in such case we can't tell the OS the port is up. 1242 * To solve this there is a call to if_link_state_change 1243 * in set_rx_mode. 1244 * */ 1245 } else if (priv->port_up && (linkstate == MLX4_DEV_EVENT_PORT_UP)){ 1246 if (mlx4_en_QUERY_PORT(priv->mdev, priv->port)) 1247 en_info(priv, "Query port failed\n"); 1248 priv->dev->if_baudrate = 1249 IF_Mbps(priv->port_state.link_speed); 1250 en_info(priv, "Link Up\n"); 1251 if_link_state_change(priv->dev, LINK_STATE_UP); 1252 } 1253 } 1254 priv->last_link_state = linkstate; 1255 mutex_unlock(&mdev->state_lock); 1256} 1257 1258 1259int mlx4_en_start_port(struct net_device *dev) 1260{ 1261 struct mlx4_en_priv *priv = netdev_priv(dev); 1262 struct mlx4_en_dev *mdev = priv->mdev; 1263 struct mlx4_en_cq *cq; 1264 struct mlx4_en_tx_ring *tx_ring; 1265 int rx_index = 0; 1266 int tx_index = 0; 1267 int err = 0; 1268 int i; 1269 int j; 1270 u8 mc_list[16] = {0}; 1271 1272 1273 if (priv->port_up) { 1274 en_dbg(DRV, priv, "start port called while port already up\n"); 1275 return 0; 1276 } 1277 1278 INIT_LIST_HEAD(&priv->mc_list); 1279 INIT_LIST_HEAD(&priv->uc_list); 1280 INIT_LIST_HEAD(&priv->curr_mc_list); 1281 INIT_LIST_HEAD(&priv->curr_uc_list); 1282 INIT_LIST_HEAD(&priv->ethtool_list); 1283 1284 /* Calculate Rx buf size */ 1285 dev->if_mtu = min(dev->if_mtu, priv->max_mtu); 1286 mlx4_en_calc_rx_buf(dev); 1287 en_dbg(DRV, priv, "Rx buf size:%d\n", priv->rx_mb_size); 1288 1289 /* Configure rx cq's and rings */ 1290 err = mlx4_en_activate_rx_rings(priv); 1291 if (err) { 1292 en_err(priv, "Failed to activate RX rings\n"); 1293 return err; 1294 } 1295 for (i = 0; i < priv->rx_ring_num; i++) { 1296 cq = priv->rx_cq[i]; 1297 1298 mlx4_en_cq_init_lock(cq); 1299 err = mlx4_en_activate_cq(priv, cq, i); 1300 if (err) { 1301 en_err(priv, "Failed activating Rx CQ\n"); 1302 goto cq_err; 1303 } 1304 for (j = 0; j < cq->size; j++) 1305 cq->buf[j].owner_sr_opcode = MLX4_CQE_OWNER_MASK; 1306 err = mlx4_en_set_cq_moder(priv, cq); 1307 if (err) { 1308 en_err(priv, "Failed setting cq moderation parameters"); 1309 mlx4_en_deactivate_cq(priv, cq); 1310 goto cq_err; 1311 } 1312 mlx4_en_arm_cq(priv, cq); 1313 priv->rx_ring[i]->cqn = cq->mcq.cqn; 1314 ++rx_index; 1315 } 1316 1317 /* Set qp number */ 1318 en_dbg(DRV, priv, "Getting qp number for port %d\n", priv->port); 1319 err = mlx4_en_get_qp(priv); 1320 if (err) { 1321 en_err(priv, "Failed getting eth qp\n"); 1322 goto cq_err; 1323 } 1324 mdev->mac_removed[priv->port] = 0; 1325 1326 priv->counter_index = 1327 mlx4_get_default_counter_index(mdev->dev, priv->port); 1328 1329 err = mlx4_en_config_rss_steer(priv); 1330 if (err) { 1331 en_err(priv, "Failed configuring rss steering\n"); 1332 goto mac_err; 1333 } 1334 1335 err = mlx4_en_create_drop_qp(priv); 1336 if (err) 1337 goto rss_err; 1338 1339 /* Configure tx cq's and rings */ 1340 for (i = 0; i < priv->tx_ring_num; i++) { 1341 /* Configure cq */ 1342 cq = priv->tx_cq[i]; 1343 err = mlx4_en_activate_cq(priv, cq, i); 1344 if (err) { 1345 en_err(priv, "Failed activating Tx CQ\n"); 1346 goto tx_err; 1347 } 1348 err = mlx4_en_set_cq_moder(priv, cq); 1349 if (err) { 1350 en_err(priv, "Failed setting cq moderation parameters"); 1351 mlx4_en_deactivate_cq(priv, cq); 1352 goto tx_err; 1353 } 1354 en_dbg(DRV, priv, "Resetting index of collapsed CQ:%d to -1\n", i); 1355 cq->buf->wqe_index = cpu_to_be16(0xffff); 1356 1357 /* Configure ring */ 1358 tx_ring = priv->tx_ring[i]; 1359 1360 err = mlx4_en_activate_tx_ring(priv, tx_ring, cq->mcq.cqn, 1361 i / priv->num_tx_rings_p_up); 1362 if (err) { 1363 en_err(priv, "Failed activating Tx ring %d\n", i); 1364 mlx4_en_deactivate_cq(priv, cq); 1365 goto tx_err; 1366 } 1367 1368 /* Arm CQ for TX completions */ 1369 mlx4_en_arm_cq(priv, cq); 1370 1371 /* Set initial ownership of all Tx TXBBs to SW (1) */ 1372 for (j = 0; j < tx_ring->buf_size; j += STAMP_STRIDE) 1373 *((u32 *) (tx_ring->buf + j)) = INIT_OWNER_BIT; 1374 ++tx_index; 1375 } 1376 1377 /* Configure port */ 1378 err = mlx4_SET_PORT_general(mdev->dev, priv->port, 1379 priv->rx_mb_size, 1380 priv->prof->tx_pause, 1381 priv->prof->tx_ppp, 1382 priv->prof->rx_pause, 1383 priv->prof->rx_ppp); 1384 if (err) { 1385 en_err(priv, "Failed setting port general configurations for port %d, with error %d\n", 1386 priv->port, err); 1387 goto tx_err; 1388 } 1389 /* Set default qp number */ 1390 err = mlx4_SET_PORT_qpn_calc(mdev->dev, priv->port, priv->base_qpn, 0); 1391 if (err) { 1392 en_err(priv, "Failed setting default qp numbers\n"); 1393 goto tx_err; 1394 } 1395 1396 /* Init port */ 1397 en_dbg(HW, priv, "Initializing port\n"); 1398 err = mlx4_INIT_PORT(mdev->dev, priv->port); 1399 if (err) { 1400 en_err(priv, "Failed Initializing port\n"); 1401 goto tx_err; 1402 } 1403 1404 /* Attach rx QP to bradcast address */ 1405 memset(&mc_list[10], 0xff, ETH_ALEN); 1406 mc_list[5] = priv->port; /* needed for B0 steering support */ 1407 if (mlx4_multicast_attach(mdev->dev, &priv->rss_map.indir_qp, mc_list, 1408 priv->port, 0, MLX4_PROT_ETH, 1409 &priv->broadcast_id)) 1410 mlx4_warn(mdev, "Failed Attaching Broadcast\n"); 1411 1412 /* Must redo promiscuous mode setup. */ 1413 priv->flags &= ~(MLX4_EN_FLAG_PROMISC | MLX4_EN_FLAG_MC_PROMISC); 1414 1415 /* Schedule multicast task to populate multicast list */ 1416 queue_work(mdev->workqueue, &priv->rx_mode_task); 1417 1418 priv->port_up = true; 1419 1420 /* Enable the queues. */ 1421 dev->if_drv_flags &= ~IFF_DRV_OACTIVE; 1422 dev->if_drv_flags |= IFF_DRV_RUNNING; 1423#ifdef CONFIG_DEBUG_FS 1424 mlx4_en_create_debug_files(priv); 1425#endif 1426 callout_reset(&priv->watchdog_timer, MLX4_EN_WATCHDOG_TIMEOUT, 1427 mlx4_en_watchdog_timeout, priv); 1428 1429 1430 return 0; 1431 1432tx_err: 1433 while (tx_index--) { 1434 mlx4_en_deactivate_tx_ring(priv, priv->tx_ring[tx_index]); 1435 mlx4_en_deactivate_cq(priv, priv->tx_cq[tx_index]); 1436 } 1437 mlx4_en_destroy_drop_qp(priv); 1438rss_err: 1439 mlx4_en_release_rss_steer(priv); 1440mac_err: 1441 mlx4_en_put_qp(priv); 1442cq_err: 1443 while (rx_index--) 1444 mlx4_en_deactivate_cq(priv, priv->rx_cq[rx_index]); 1445 for (i = 0; i < priv->rx_ring_num; i++) 1446 mlx4_en_deactivate_rx_ring(priv, priv->rx_ring[i]); 1447 1448 return err; /* need to close devices */ 1449} 1450 1451 1452void mlx4_en_stop_port(struct net_device *dev) 1453{ 1454 struct mlx4_en_priv *priv = netdev_priv(dev); 1455 struct mlx4_en_dev *mdev = priv->mdev; 1456 struct mlx4_en_addr_list *addr_list, *tmp; 1457 int i; 1458 u8 mc_list[16] = {0}; 1459 1460 if (!priv->port_up) { 1461 en_dbg(DRV, priv, "stop port called while port already down\n"); 1462 return; 1463 } 1464 1465#ifdef CONFIG_DEBUG_FS 1466 mlx4_en_delete_debug_files(priv); 1467#endif 1468 1469 /* close port*/ 1470 mlx4_CLOSE_PORT(mdev->dev, priv->port); 1471 1472 /* Set port as not active */ 1473 priv->port_up = false; 1474 priv->counter_index = MLX4_SINK_COUNTER_INDEX(mdev->dev); 1475 1476 /* Promsicuous mode */ 1477 if (mdev->dev->caps.steering_mode == 1478 MLX4_STEERING_MODE_DEVICE_MANAGED) { 1479 priv->flags &= ~(MLX4_EN_FLAG_PROMISC | 1480 MLX4_EN_FLAG_MC_PROMISC); 1481 mlx4_flow_steer_promisc_remove(mdev->dev, 1482 priv->port, 1483 MLX4_FS_ALL_DEFAULT); 1484 mlx4_flow_steer_promisc_remove(mdev->dev, 1485 priv->port, 1486 MLX4_FS_MC_DEFAULT); 1487 } else if (priv->flags & MLX4_EN_FLAG_PROMISC) { 1488 priv->flags &= ~MLX4_EN_FLAG_PROMISC; 1489 1490 /* Disable promiscouos mode */ 1491 mlx4_unicast_promisc_remove(mdev->dev, priv->base_qpn, 1492 priv->port); 1493 1494 /* Disable Multicast promisc */ 1495 if (priv->flags & MLX4_EN_FLAG_MC_PROMISC) { 1496 mlx4_multicast_promisc_remove(mdev->dev, priv->base_qpn, 1497 priv->port); 1498 priv->flags &= ~MLX4_EN_FLAG_MC_PROMISC; 1499 } 1500 } 1501 1502 /* Detach All unicasts */ 1503 list_for_each_entry(addr_list, &priv->curr_uc_list, list) { 1504 mlx4_en_uc_steer_release(priv, addr_list->addr, 1505 priv->rss_map.indir_qp.qpn, 1506 addr_list->reg_id); 1507 } 1508 mlx4_en_clear_uclist(dev); 1509 list_for_each_entry_safe(addr_list, tmp, &priv->curr_uc_list, list) { 1510 list_del(&addr_list->list); 1511 kfree(addr_list); 1512 } 1513 1514 /* Detach All multicasts */ 1515 memset(&mc_list[10], 0xff, ETH_ALEN); 1516 mc_list[5] = priv->port; /* needed for B0 steering support */ 1517 mlx4_multicast_detach(mdev->dev, &priv->rss_map.indir_qp, mc_list, 1518 MLX4_PROT_ETH, priv->broadcast_id); 1519 list_for_each_entry(addr_list, &priv->curr_mc_list, list) { 1520 memcpy(&mc_list[10], addr_list->addr, ETH_ALEN); 1521 mc_list[5] = priv->port; 1522 mlx4_multicast_detach(mdev->dev, &priv->rss_map.indir_qp, 1523 mc_list, MLX4_PROT_ETH, addr_list->reg_id); 1524 } 1525 mlx4_en_clear_mclist(dev); 1526 list_for_each_entry_safe(addr_list, tmp, &priv->curr_mc_list, list) { 1527 list_del(&addr_list->list); 1528 kfree(addr_list); 1529 } 1530 1531 /* Flush multicast filter */ 1532 mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0, 1, MLX4_MCAST_CONFIG); 1533 mlx4_en_destroy_drop_qp(priv); 1534 1535 /* Free TX Rings */ 1536 for (i = 0; i < priv->tx_ring_num; i++) { 1537 mlx4_en_deactivate_tx_ring(priv, priv->tx_ring[i]); 1538 mlx4_en_deactivate_cq(priv, priv->tx_cq[i]); 1539 } 1540 msleep(10); 1541 1542 for (i = 0; i < priv->tx_ring_num; i++) 1543 mlx4_en_free_tx_buf(dev, priv->tx_ring[i]); 1544 1545 /* Free RSS qps */ 1546 mlx4_en_release_rss_steer(priv); 1547 1548 /* Unregister Mac address for the port */ 1549 mlx4_en_put_qp(priv); 1550 mdev->mac_removed[priv->port] = 1; 1551 1552 /* Free RX Rings */ 1553 for (i = 0; i < priv->rx_ring_num; i++) { 1554 struct mlx4_en_cq *cq = priv->rx_cq[i]; 1555 mlx4_en_deactivate_rx_ring(priv, priv->rx_ring[i]); 1556 mlx4_en_deactivate_cq(priv, cq); 1557 } 1558 1559 callout_stop(&priv->watchdog_timer); 1560 1561 dev->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 1562} 1563 1564static void mlx4_en_restart(struct work_struct *work) 1565{ 1566 struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv, 1567 watchdog_task); 1568 struct mlx4_en_dev *mdev = priv->mdev; 1569 struct net_device *dev = priv->dev; 1570 struct mlx4_en_tx_ring *ring; 1571 int i; 1572 1573 1574 if (priv->blocked == 0 || priv->port_up == 0) 1575 return; 1576 for (i = 0; i < priv->tx_ring_num; i++) { 1577 int watchdog_time; 1578 1579 ring = priv->tx_ring[i]; 1580 watchdog_time = READ_ONCE(ring->watchdog_time); 1581 if (watchdog_time != 0 && 1582 time_after(ticks, ring->watchdog_time)) 1583 goto reset; 1584 } 1585 return; 1586 1587reset: 1588 priv->port_stats.tx_timeout++; 1589 en_dbg(DRV, priv, "Watchdog task called for port %d\n", priv->port); 1590 1591 mutex_lock(&mdev->state_lock); 1592 if (priv->port_up) { 1593 mlx4_en_stop_port(dev); 1594 //for (i = 0; i < priv->tx_ring_num; i++) 1595 // netdev_tx_reset_queue(priv->tx_ring[i]->tx_queue); 1596 if (mlx4_en_start_port(dev)) 1597 en_err(priv, "Failed restarting port %d\n", priv->port); 1598 } 1599 mutex_unlock(&mdev->state_lock); 1600} 1601 1602static void mlx4_en_clear_stats(struct net_device *dev) 1603{ 1604 struct mlx4_en_priv *priv = netdev_priv(dev); 1605 struct mlx4_en_dev *mdev = priv->mdev; 1606 int i; 1607 1608 if (!mlx4_is_slave(mdev->dev)) 1609 if (mlx4_en_DUMP_ETH_STATS(mdev, priv->port, 1)) 1610 en_dbg(HW, priv, "Failed dumping statistics\n"); 1611 1612 memset(&priv->pstats, 0, sizeof(priv->pstats)); 1613 memset(&priv->pkstats, 0, sizeof(priv->pkstats)); 1614 memset(&priv->port_stats, 0, sizeof(priv->port_stats)); 1615 memset(&priv->vport_stats, 0, sizeof(priv->vport_stats)); 1616 1617 for (i = 0; i < priv->tx_ring_num; i++) { 1618 priv->tx_ring[i]->bytes = 0; 1619 priv->tx_ring[i]->packets = 0; 1620 priv->tx_ring[i]->tx_csum = 0; 1621 priv->tx_ring[i]->oversized_packets = 0; 1622 } 1623 for (i = 0; i < priv->rx_ring_num; i++) { 1624 priv->rx_ring[i]->bytes = 0; 1625 priv->rx_ring[i]->packets = 0; 1626 priv->rx_ring[i]->csum_ok = 0; 1627 priv->rx_ring[i]->csum_none = 0; 1628 } 1629} 1630 1631static void mlx4_en_open(void* arg) 1632{ 1633 1634 struct mlx4_en_priv *priv; 1635 struct mlx4_en_dev *mdev; 1636 struct net_device *dev; 1637 int err = 0; 1638 1639 priv = arg; 1640 mdev = priv->mdev; 1641 dev = priv->dev; 1642 1643 1644 mutex_lock(&mdev->state_lock); 1645 1646 if (!mdev->device_up) { 1647 en_err(priv, "Cannot open - device down/disabled\n"); 1648 goto out; 1649 } 1650 1651 /* Reset HW statistics and SW counters */ 1652 mlx4_en_clear_stats(dev); 1653 1654 err = mlx4_en_start_port(dev); 1655 if (err) 1656 en_err(priv, "Failed starting port:%d\n", priv->port); 1657 1658out: 1659 mutex_unlock(&mdev->state_lock); 1660 return; 1661} 1662 1663void mlx4_en_free_resources(struct mlx4_en_priv *priv) 1664{ 1665 int i; 1666 1667#ifdef CONFIG_RFS_ACCEL 1668 if (priv->dev->rx_cpu_rmap) { 1669 free_irq_cpu_rmap(priv->dev->rx_cpu_rmap); 1670 priv->dev->rx_cpu_rmap = NULL; 1671 } 1672#endif 1673 1674 for (i = 0; i < priv->tx_ring_num; i++) { 1675 if (priv->tx_ring && priv->tx_ring[i]) 1676 mlx4_en_destroy_tx_ring(priv, &priv->tx_ring[i]); 1677 if (priv->tx_cq && priv->tx_cq[i]) 1678 mlx4_en_destroy_cq(priv, &priv->tx_cq[i]); 1679 } 1680 1681 for (i = 0; i < priv->rx_ring_num; i++) { 1682 if (priv->rx_ring[i]) 1683 mlx4_en_destroy_rx_ring(priv, &priv->rx_ring[i], 1684 priv->prof->rx_ring_size); 1685 if (priv->rx_cq[i]) 1686 mlx4_en_destroy_cq(priv, &priv->rx_cq[i]); 1687 } 1688 1689 if (priv->stat_sysctl != NULL) 1690 sysctl_ctx_free(&priv->stat_ctx); 1691} 1692 1693int mlx4_en_alloc_resources(struct mlx4_en_priv *priv) 1694{ 1695 struct mlx4_en_port_profile *prof = priv->prof; 1696 int i; 1697 int node = 0; 1698 1699 /* Create rx Rings */ 1700 for (i = 0; i < priv->rx_ring_num; i++) { 1701 if (mlx4_en_create_cq(priv, &priv->rx_cq[i], 1702 prof->rx_ring_size, i, RX, node)) 1703 goto err; 1704 1705 if (mlx4_en_create_rx_ring(priv, &priv->rx_ring[i], 1706 prof->rx_ring_size, node)) 1707 goto err; 1708 } 1709 1710 /* Create tx Rings */ 1711 for (i = 0; i < priv->tx_ring_num; i++) { 1712 if (mlx4_en_create_cq(priv, &priv->tx_cq[i], 1713 prof->tx_ring_size, i, TX, node)) 1714 goto err; 1715 1716 if (mlx4_en_create_tx_ring(priv, &priv->tx_ring[i], 1717 prof->tx_ring_size, TXBB_SIZE, node, i)) 1718 goto err; 1719 } 1720 1721#ifdef CONFIG_RFS_ACCEL 1722 priv->dev->rx_cpu_rmap = alloc_irq_cpu_rmap(priv->rx_ring_num); 1723 if (!priv->dev->rx_cpu_rmap) 1724 goto err; 1725#endif 1726 /* Re-create stat sysctls in case the number of rings changed. */ 1727 mlx4_en_sysctl_stat(priv); 1728 return 0; 1729 1730err: 1731 en_err(priv, "Failed to allocate NIC resources\n"); 1732 for (i = 0; i < priv->rx_ring_num; i++) { 1733 if (priv->rx_ring[i]) 1734 mlx4_en_destroy_rx_ring(priv, &priv->rx_ring[i], 1735 prof->rx_ring_size); 1736 if (priv->rx_cq[i]) 1737 mlx4_en_destroy_cq(priv, &priv->rx_cq[i]); 1738 } 1739 for (i = 0; i < priv->tx_ring_num; i++) { 1740 if (priv->tx_ring[i]) 1741 mlx4_en_destroy_tx_ring(priv, &priv->tx_ring[i]); 1742 if (priv->tx_cq[i]) 1743 mlx4_en_destroy_cq(priv, &priv->tx_cq[i]); 1744 } 1745 priv->port_up = false; 1746 return -ENOMEM; 1747} 1748 1749struct en_port_attribute { 1750 struct attribute attr; 1751 ssize_t (*show)(struct en_port *, struct en_port_attribute *, char *buf); 1752 ssize_t (*store)(struct en_port *, struct en_port_attribute *, char *buf, size_t count); 1753}; 1754 1755#define PORT_ATTR_RO(_name) \ 1756struct en_port_attribute en_port_attr_##_name = __ATTR_RO(_name) 1757 1758#define EN_PORT_ATTR(_name, _mode, _show, _store) \ 1759struct en_port_attribute en_port_attr_##_name = __ATTR(_name, _mode, _show, _store) 1760 1761void mlx4_en_destroy_netdev(struct net_device *dev) 1762{ 1763 struct mlx4_en_priv *priv = netdev_priv(dev); 1764 struct mlx4_en_dev *mdev = priv->mdev; 1765 1766 en_dbg(DRV, priv, "Destroying netdev on port:%d\n", priv->port); 1767 1768 /* don't allow more IOCTLs */ 1769 priv->gone = 1; 1770 1771 /* XXX wait a bit to allow IOCTL handlers to complete */ 1772 pause("W", hz); 1773 1774 if (priv->vlan_attach != NULL) 1775 EVENTHANDLER_DEREGISTER(vlan_config, priv->vlan_attach); 1776 if (priv->vlan_detach != NULL) 1777 EVENTHANDLER_DEREGISTER(vlan_unconfig, priv->vlan_detach); 1778 1779 mutex_lock(&mdev->state_lock); 1780 mlx4_en_stop_port(dev); 1781 mutex_unlock(&mdev->state_lock); 1782 1783 /* Unregister device - this will close the port if it was up */ 1784 if (priv->registered) 1785 ether_ifdetach(dev); 1786 1787 if (priv->allocated) 1788 mlx4_free_hwq_res(mdev->dev, &priv->res, MLX4_EN_PAGE_SIZE); 1789 1790 cancel_delayed_work(&priv->stats_task); 1791 cancel_delayed_work(&priv->service_task); 1792 /* flush any pending task for this netdev */ 1793 flush_workqueue(mdev->workqueue); 1794 callout_drain(&priv->watchdog_timer); 1795 1796 /* Detach the netdev so tasks would not attempt to access it */ 1797 mutex_lock(&mdev->state_lock); 1798 mdev->pndev[priv->port] = NULL; 1799 mutex_unlock(&mdev->state_lock); 1800 1801 1802 mlx4_en_free_resources(priv); 1803 1804 /* freeing the sysctl conf cannot be called from within mlx4_en_free_resources */ 1805 if (priv->conf_sysctl != NULL) 1806 sysctl_ctx_free(&priv->conf_ctx); 1807 1808 kfree(priv->tx_ring); 1809 kfree(priv->tx_cq); 1810 1811 kfree(priv); 1812 if_free(dev); 1813 1814} 1815 1816static int mlx4_en_change_mtu(struct net_device *dev, int new_mtu) 1817{ 1818 struct mlx4_en_priv *priv = netdev_priv(dev); 1819 struct mlx4_en_dev *mdev = priv->mdev; 1820 int err = 0; 1821 1822 en_dbg(DRV, priv, "Change MTU called - current:%u new:%u\n", 1823 (unsigned)dev->if_mtu, (unsigned)new_mtu); 1824 1825 if ((new_mtu < MLX4_EN_MIN_MTU) || (new_mtu > priv->max_mtu)) { 1826 en_err(priv, "Bad MTU size:%d, max %u.\n", new_mtu, 1827 priv->max_mtu); 1828 return -EPERM; 1829 } 1830 mutex_lock(&mdev->state_lock); 1831 dev->if_mtu = new_mtu; 1832 if (dev->if_drv_flags & IFF_DRV_RUNNING) { 1833 if (!mdev->device_up) { 1834 /* NIC is probably restarting - let watchdog task reset 1835 * * the port */ 1836 en_dbg(DRV, priv, "Change MTU called with card down!?\n"); 1837 } else { 1838 mlx4_en_stop_port(dev); 1839 err = mlx4_en_start_port(dev); 1840 if (err) { 1841 en_err(priv, "Failed restarting port:%d\n", 1842 priv->port); 1843 queue_work(mdev->workqueue, &priv->watchdog_task); 1844 } 1845 } 1846 } 1847 mutex_unlock(&mdev->state_lock); 1848 return 0; 1849} 1850 1851static int mlx4_en_calc_media(struct mlx4_en_priv *priv) 1852{ 1853 int trans_type; 1854 int active; 1855 1856 active = IFM_ETHER; 1857 if (priv->last_link_state == MLX4_DEV_EVENT_PORT_DOWN) 1858 return (active); 1859 active |= IFM_FDX; 1860 trans_type = priv->port_state.transceiver; 1861 /* XXX I don't know all of the transceiver values. */ 1862 switch (priv->port_state.link_speed) { 1863 case 100: 1864 active |= IFM_100_T; 1865 break; 1866 case 1000: 1867 active |= IFM_1000_T; 1868 break; 1869 case 10000: 1870 if (trans_type > 0 && trans_type <= 0xC) 1871 active |= IFM_10G_SR; 1872 else if (trans_type == 0x80 || trans_type == 0) 1873 active |= IFM_10G_CX4; 1874 break; 1875 case 40000: 1876 active |= IFM_40G_CR4; 1877 break; 1878 } 1879 if (priv->prof->tx_pause) 1880 active |= IFM_ETH_TXPAUSE; 1881 if (priv->prof->rx_pause) 1882 active |= IFM_ETH_RXPAUSE; 1883 1884 return (active); 1885} 1886 1887static void mlx4_en_media_status(struct ifnet *dev, struct ifmediareq *ifmr) 1888{ 1889 struct mlx4_en_priv *priv; 1890 1891 priv = dev->if_softc; 1892 ifmr->ifm_status = IFM_AVALID; 1893 if (priv->last_link_state != MLX4_DEV_EVENT_PORT_DOWN) 1894 ifmr->ifm_status |= IFM_ACTIVE; 1895 ifmr->ifm_active = mlx4_en_calc_media(priv); 1896 1897 return; 1898} 1899 1900static int mlx4_en_media_change(struct ifnet *dev) 1901{ 1902 struct mlx4_en_priv *priv; 1903 struct ifmedia *ifm; 1904 int rxpause; 1905 int txpause; 1906 int error; 1907 1908 priv = dev->if_softc; 1909 ifm = &priv->media; 1910 rxpause = txpause = 0; 1911 error = 0; 1912 1913 if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) 1914 return (EINVAL); 1915 switch (IFM_SUBTYPE(ifm->ifm_media)) { 1916 case IFM_AUTO: 1917 break; 1918 case IFM_10G_SR: 1919 case IFM_10G_CX4: 1920 case IFM_1000_T: 1921 case IFM_40G_CR4: 1922 if ((IFM_SUBTYPE(ifm->ifm_media) 1923 == IFM_SUBTYPE(mlx4_en_calc_media(priv))) 1924 && (ifm->ifm_media & IFM_FDX)) 1925 break; 1926 /* Fallthrough */ 1927 default: 1928 printf("%s: Only auto media type\n", if_name(dev)); 1929 return (EINVAL); 1930 } 1931 /* Allow user to set/clear pause */ 1932 if (IFM_OPTIONS(ifm->ifm_media) & IFM_ETH_RXPAUSE) 1933 rxpause = 1; 1934 if (IFM_OPTIONS(ifm->ifm_media) & IFM_ETH_TXPAUSE) 1935 txpause = 1; 1936 if (priv->prof->tx_pause != txpause || priv->prof->rx_pause != rxpause) { 1937 priv->prof->tx_pause = txpause; 1938 priv->prof->rx_pause = rxpause; 1939 error = -mlx4_SET_PORT_general(priv->mdev->dev, priv->port, 1940 priv->rx_mb_size + ETHER_CRC_LEN, priv->prof->tx_pause, 1941 priv->prof->tx_ppp, priv->prof->rx_pause, 1942 priv->prof->rx_ppp); 1943 } 1944 return (error); 1945} 1946 1947static int mlx4_en_ioctl(struct ifnet *dev, u_long command, caddr_t data) 1948{ 1949 struct mlx4_en_priv *priv; 1950 struct mlx4_en_dev *mdev; 1951 struct ifreq *ifr; 1952 int error; 1953 int mask; 1954 struct ifrsskey *ifrk; 1955 const u32 *key; 1956 struct ifrsshash *ifrh; 1957 u8 rss_mask; 1958 1959 error = 0; 1960 mask = 0; 1961 priv = dev->if_softc; 1962 1963 /* check if detaching */ 1964 if (priv == NULL || priv->gone != 0) 1965 return (ENXIO); 1966 1967 mdev = priv->mdev; 1968 ifr = (struct ifreq *) data; 1969 1970 switch (command) { 1971 case SIOCSIFMTU: 1972 error = -mlx4_en_change_mtu(dev, ifr->ifr_mtu); 1973 break; 1974 case SIOCSIFFLAGS: 1975 if (dev->if_flags & IFF_UP) { 1976 if ((dev->if_drv_flags & IFF_DRV_RUNNING) == 0) { 1977 mutex_lock(&mdev->state_lock); 1978 mlx4_en_start_port(dev); 1979 mutex_unlock(&mdev->state_lock); 1980 } else { 1981 mlx4_en_set_rx_mode(dev); 1982 } 1983 } else { 1984 mutex_lock(&mdev->state_lock); 1985 if (dev->if_drv_flags & IFF_DRV_RUNNING) { 1986 mlx4_en_stop_port(dev); 1987 if_link_state_change(dev, LINK_STATE_DOWN); 1988 } 1989 mutex_unlock(&mdev->state_lock); 1990 } 1991 break; 1992 case SIOCADDMULTI: 1993 case SIOCDELMULTI: 1994 mlx4_en_set_rx_mode(dev); 1995 break; 1996 case SIOCSIFMEDIA: 1997 case SIOCGIFMEDIA: 1998 error = ifmedia_ioctl(dev, ifr, &priv->media, command); 1999 break; 2000 case SIOCSIFCAP: 2001 mutex_lock(&mdev->state_lock); 2002 mask = ifr->ifr_reqcap ^ dev->if_capenable; 2003 if (mask & IFCAP_TXCSUM) { 2004 dev->if_capenable ^= IFCAP_TXCSUM; 2005 dev->if_hwassist ^= (CSUM_TCP | CSUM_UDP | CSUM_IP); 2006 2007 if (IFCAP_TSO4 & dev->if_capenable && 2008 !(IFCAP_TXCSUM & dev->if_capenable)) { 2009 mask &= ~IFCAP_TSO4; 2010 dev->if_capenable &= ~IFCAP_TSO4; 2011 dev->if_hwassist &= ~CSUM_IP_TSO; 2012 if_printf(dev, 2013 "tso4 disabled due to -txcsum.\n"); 2014 } 2015 } 2016 if (mask & IFCAP_TXCSUM_IPV6) { 2017 dev->if_capenable ^= IFCAP_TXCSUM_IPV6; 2018 dev->if_hwassist ^= (CSUM_UDP_IPV6 | CSUM_TCP_IPV6); 2019 2020 if (IFCAP_TSO6 & dev->if_capenable && 2021 !(IFCAP_TXCSUM_IPV6 & dev->if_capenable)) { 2022 mask &= ~IFCAP_TSO6; 2023 dev->if_capenable &= ~IFCAP_TSO6; 2024 dev->if_hwassist &= ~CSUM_IP6_TSO; 2025 if_printf(dev, 2026 "tso6 disabled due to -txcsum6.\n"); 2027 } 2028 } 2029 if (mask & IFCAP_RXCSUM) 2030 dev->if_capenable ^= IFCAP_RXCSUM; 2031 if (mask & IFCAP_RXCSUM_IPV6) 2032 dev->if_capenable ^= IFCAP_RXCSUM_IPV6; 2033 2034 if (mask & IFCAP_TSO4) { 2035 if (!(IFCAP_TSO4 & dev->if_capenable) && 2036 !(IFCAP_TXCSUM & dev->if_capenable)) { 2037 if_printf(dev, "enable txcsum first.\n"); 2038 error = EAGAIN; 2039 goto out; 2040 } 2041 dev->if_capenable ^= IFCAP_TSO4; 2042 dev->if_hwassist ^= CSUM_IP_TSO; 2043 } 2044 if (mask & IFCAP_TSO6) { 2045 if (!(IFCAP_TSO6 & dev->if_capenable) && 2046 !(IFCAP_TXCSUM_IPV6 & dev->if_capenable)) { 2047 if_printf(dev, "enable txcsum6 first.\n"); 2048 error = EAGAIN; 2049 goto out; 2050 } 2051 dev->if_capenable ^= IFCAP_TSO6; 2052 dev->if_hwassist ^= CSUM_IP6_TSO; 2053 } 2054 if (mask & IFCAP_LRO) 2055 dev->if_capenable ^= IFCAP_LRO; 2056 if (mask & IFCAP_VLAN_HWTAGGING) 2057 dev->if_capenable ^= IFCAP_VLAN_HWTAGGING; 2058 if (mask & IFCAP_VLAN_HWFILTER) 2059 dev->if_capenable ^= IFCAP_VLAN_HWFILTER; 2060 if (mask & IFCAP_WOL_MAGIC) 2061 dev->if_capenable ^= IFCAP_WOL_MAGIC; 2062 if (dev->if_drv_flags & IFF_DRV_RUNNING) 2063 mlx4_en_start_port(dev); 2064out: 2065 mutex_unlock(&mdev->state_lock); 2066 VLAN_CAPABILITIES(dev); 2067 break; 2068#if __FreeBSD_version >= 1100036 2069 case SIOCGI2C: { 2070 struct ifi2creq i2c; 2071 2072 error = copyin(ifr_data_get_ptr(ifr), &i2c, sizeof(i2c)); 2073 if (error) 2074 break; 2075 if (i2c.len > sizeof(i2c.data)) { 2076 error = EINVAL; 2077 break; 2078 } 2079 /* 2080 * Note that we ignore i2c.addr here. The driver hardcodes 2081 * the address to 0x50, while standard expects it to be 0xA0. 2082 */ 2083 error = mlx4_get_module_info(mdev->dev, priv->port, 2084 i2c.offset, i2c.len, i2c.data); 2085 if (error < 0) { 2086 error = -error; 2087 break; 2088 } 2089 error = copyout(&i2c, ifr_data_get_ptr(ifr), sizeof(i2c)); 2090 break; 2091 } 2092#endif 2093 case SIOCGIFRSSKEY: 2094 ifrk = (struct ifrsskey *)data; 2095 ifrk->ifrk_func = RSS_FUNC_TOEPLITZ; 2096 mutex_lock(&mdev->state_lock); 2097 key = mlx4_en_get_rss_key(priv, &ifrk->ifrk_keylen); 2098 if (ifrk->ifrk_keylen > RSS_KEYLEN) 2099 error = EINVAL; 2100 else 2101 memcpy(ifrk->ifrk_key, key, ifrk->ifrk_keylen); 2102 mutex_unlock(&mdev->state_lock); 2103 break; 2104 2105 case SIOCGIFRSSHASH: 2106 mutex_lock(&mdev->state_lock); 2107 rss_mask = mlx4_en_get_rss_mask(priv); 2108 mutex_unlock(&mdev->state_lock); 2109 ifrh = (struct ifrsshash *)data; 2110 ifrh->ifrh_func = RSS_FUNC_TOEPLITZ; 2111 ifrh->ifrh_types = 0; 2112 if (rss_mask & MLX4_RSS_IPV4) 2113 ifrh->ifrh_types |= RSS_TYPE_IPV4; 2114 if (rss_mask & MLX4_RSS_TCP_IPV4) 2115 ifrh->ifrh_types |= RSS_TYPE_TCP_IPV4; 2116 if (rss_mask & MLX4_RSS_IPV6) 2117 ifrh->ifrh_types |= RSS_TYPE_IPV6; 2118 if (rss_mask & MLX4_RSS_TCP_IPV6) 2119 ifrh->ifrh_types |= RSS_TYPE_TCP_IPV6; 2120 if (rss_mask & MLX4_RSS_UDP_IPV4) 2121 ifrh->ifrh_types |= RSS_TYPE_UDP_IPV4; 2122 if (rss_mask & MLX4_RSS_UDP_IPV6) 2123 ifrh->ifrh_types |= RSS_TYPE_UDP_IPV6; 2124 break; 2125 2126 default: 2127 error = ether_ioctl(dev, command, data); 2128 break; 2129 } 2130 2131 return (error); 2132} 2133 2134 2135int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, 2136 struct mlx4_en_port_profile *prof) 2137{ 2138 struct net_device *dev; 2139 struct mlx4_en_priv *priv; 2140 uint8_t dev_addr[ETHER_ADDR_LEN]; 2141 int err; 2142 int i; 2143 2144 priv = kzalloc(sizeof(*priv), GFP_KERNEL); 2145 dev = priv->dev = if_alloc(IFT_ETHER); 2146 if (dev == NULL) { 2147 en_err(priv, "Net device allocation failed\n"); 2148 kfree(priv); 2149 return -ENOMEM; 2150 } 2151 dev->if_softc = priv; 2152 if_initname(dev, "mlxen", (device_get_unit( 2153 mdev->pdev->dev.bsddev) * MLX4_MAX_PORTS) + port - 1); 2154 dev->if_mtu = ETHERMTU; 2155 dev->if_init = mlx4_en_open; 2156 dev->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 2157 dev->if_ioctl = mlx4_en_ioctl; 2158 dev->if_transmit = mlx4_en_transmit; 2159 dev->if_qflush = mlx4_en_qflush; 2160 dev->if_snd.ifq_maxlen = prof->tx_ring_size; 2161 2162 /* 2163 * Initialize driver private data 2164 */ 2165 priv->counter_index = 0xff; 2166 spin_lock_init(&priv->stats_lock); 2167 INIT_WORK(&priv->rx_mode_task, mlx4_en_do_set_rx_mode); 2168 INIT_WORK(&priv->watchdog_task, mlx4_en_restart); 2169 INIT_WORK(&priv->linkstate_task, mlx4_en_linkstate); 2170 INIT_DELAYED_WORK(&priv->stats_task, mlx4_en_do_get_stats); 2171 INIT_DELAYED_WORK(&priv->service_task, mlx4_en_service_task); 2172 callout_init(&priv->watchdog_timer, 1); 2173#ifdef CONFIG_RFS_ACCEL 2174 INIT_LIST_HEAD(&priv->filters); 2175 spin_lock_init(&priv->filters_lock); 2176#endif 2177 2178 priv->msg_enable = MLX4_EN_MSG_LEVEL; 2179 priv->dev = dev; 2180 priv->mdev = mdev; 2181 priv->ddev = &mdev->pdev->dev; 2182 priv->prof = prof; 2183 priv->port = port; 2184 priv->port_up = false; 2185 priv->flags = prof->flags; 2186 2187 priv->num_tx_rings_p_up = mdev->profile.num_tx_rings_p_up; 2188 priv->tx_ring_num = prof->tx_ring_num; 2189 priv->tx_ring = kcalloc(MAX_TX_RINGS, 2190 sizeof(struct mlx4_en_tx_ring *), GFP_KERNEL); 2191 if (!priv->tx_ring) { 2192 err = -ENOMEM; 2193 goto out; 2194 } 2195 priv->tx_cq = kcalloc(sizeof(struct mlx4_en_cq *), MAX_TX_RINGS, 2196 GFP_KERNEL); 2197 if (!priv->tx_cq) { 2198 err = -ENOMEM; 2199 goto out; 2200 } 2201 2202 priv->rx_ring_num = prof->rx_ring_num; 2203 priv->cqe_factor = (mdev->dev->caps.cqe_size == 64) ? 1 : 0; 2204 priv->mac_index = -1; 2205 priv->last_ifq_jiffies = 0; 2206 priv->if_counters_rx_errors = 0; 2207 priv->if_counters_rx_no_buffer = 0; 2208#ifdef CONFIG_MLX4_EN_DCB 2209 if (!mlx4_is_slave(priv->mdev->dev)) { 2210 priv->dcbx_cap = DCB_CAP_DCBX_HOST; 2211 priv->flags |= MLX4_EN_FLAG_DCB_ENABLED; 2212 if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ETS_CFG) { 2213 dev->dcbnl_ops = &mlx4_en_dcbnl_ops; 2214 } else { 2215 en_info(priv, "QoS disabled - no HW support\n"); 2216 dev->dcbnl_ops = &mlx4_en_dcbnl_pfc_ops; 2217 } 2218 } 2219#endif 2220 2221 /* Query for default mac and max mtu */ 2222 priv->max_mtu = mdev->dev->caps.eth_mtu_cap[priv->port]; 2223 priv->mac = mdev->dev->caps.def_mac[priv->port]; 2224 if (ILLEGAL_MAC(priv->mac)) { 2225#if BITS_PER_LONG == 64 2226 en_err(priv, "Port: %d, invalid mac burned: 0x%lx, quiting\n", 2227 priv->port, priv->mac); 2228#elif BITS_PER_LONG == 32 2229 en_err(priv, "Port: %d, invalid mac burned: 0x%llx, quiting\n", 2230 priv->port, priv->mac); 2231#endif 2232 err = -EINVAL; 2233 goto out; 2234 } 2235 2236 mlx4_en_sysctl_conf(priv); 2237 2238 err = mlx4_en_alloc_resources(priv); 2239 if (err) 2240 goto out; 2241 2242 /* Allocate page for receive rings */ 2243 err = mlx4_alloc_hwq_res(mdev->dev, &priv->res, 2244 MLX4_EN_PAGE_SIZE, MLX4_EN_PAGE_SIZE); 2245 if (err) { 2246 en_err(priv, "Failed to allocate page for rx qps\n"); 2247 goto out; 2248 } 2249 priv->allocated = 1; 2250 2251 /* 2252 * Set driver features 2253 */ 2254 dev->if_capabilities |= IFCAP_HWCSUM | IFCAP_HWCSUM_IPV6; 2255 dev->if_capabilities |= IFCAP_VLAN_MTU | IFCAP_VLAN_HWTAGGING; 2256 dev->if_capabilities |= IFCAP_VLAN_HWCSUM | IFCAP_VLAN_HWFILTER; 2257 dev->if_capabilities |= IFCAP_LINKSTATE | IFCAP_JUMBO_MTU; 2258 dev->if_capabilities |= IFCAP_LRO; 2259 dev->if_capabilities |= IFCAP_HWSTATS; 2260 2261 if (mdev->LSO_support) 2262 dev->if_capabilities |= IFCAP_TSO4 | IFCAP_TSO6 | IFCAP_VLAN_HWTSO; 2263 2264#if __FreeBSD_version >= 1100000 2265 /* set TSO limits so that we don't have to drop TX packets */ 2266 dev->if_hw_tsomax = MLX4_EN_TX_MAX_PAYLOAD_SIZE - (ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN) /* hdr */; 2267 dev->if_hw_tsomaxsegcount = MLX4_EN_TX_MAX_MBUF_FRAGS - 1 /* hdr */; 2268 dev->if_hw_tsomaxsegsize = MLX4_EN_TX_MAX_MBUF_SIZE; 2269#endif 2270 2271 dev->if_capenable = dev->if_capabilities; 2272 2273 dev->if_hwassist = 0; 2274 if (dev->if_capenable & (IFCAP_TSO4 | IFCAP_TSO6)) 2275 dev->if_hwassist |= CSUM_TSO; 2276 if (dev->if_capenable & IFCAP_TXCSUM) 2277 dev->if_hwassist |= (CSUM_TCP | CSUM_UDP | CSUM_IP); 2278 if (dev->if_capenable & IFCAP_TXCSUM_IPV6) 2279 dev->if_hwassist |= (CSUM_UDP_IPV6 | CSUM_TCP_IPV6); 2280 2281 2282 /* Register for VLAN events */ 2283 priv->vlan_attach = EVENTHANDLER_REGISTER(vlan_config, 2284 mlx4_en_vlan_rx_add_vid, priv, EVENTHANDLER_PRI_FIRST); 2285 priv->vlan_detach = EVENTHANDLER_REGISTER(vlan_unconfig, 2286 mlx4_en_vlan_rx_kill_vid, priv, EVENTHANDLER_PRI_FIRST); 2287 2288 mdev->pndev[priv->port] = dev; 2289 2290 priv->last_link_state = MLX4_DEV_EVENT_PORT_DOWN; 2291 mlx4_en_set_default_moderation(priv); 2292 2293 /* Set default MAC */ 2294 for (i = 0; i < ETHER_ADDR_LEN; i++) 2295 dev_addr[ETHER_ADDR_LEN - 1 - i] = (u8) (priv->mac >> (8 * i)); 2296 2297 2298 ether_ifattach(dev, dev_addr); 2299 if_link_state_change(dev, LINK_STATE_DOWN); 2300 ifmedia_init(&priv->media, IFM_IMASK | IFM_ETH_FMASK, 2301 mlx4_en_media_change, mlx4_en_media_status); 2302 ifmedia_add(&priv->media, IFM_ETHER | IFM_FDX | IFM_1000_T, 0, NULL); 2303 ifmedia_add(&priv->media, IFM_ETHER | IFM_FDX | IFM_10G_SR, 0, NULL); 2304 ifmedia_add(&priv->media, IFM_ETHER | IFM_FDX | IFM_10G_CX4, 0, NULL); 2305 ifmedia_add(&priv->media, IFM_ETHER | IFM_FDX | IFM_40G_CR4, 0, NULL); 2306 ifmedia_add(&priv->media, IFM_ETHER | IFM_AUTO, 0, NULL); 2307 ifmedia_set(&priv->media, IFM_ETHER | IFM_AUTO); 2308 2309 en_warn(priv, "Using %d TX rings\n", prof->tx_ring_num); 2310 en_warn(priv, "Using %d RX rings\n", prof->rx_ring_num); 2311 2312 priv->registered = 1; 2313 2314 en_warn(priv, "Using %d TX rings\n", prof->tx_ring_num); 2315 en_warn(priv, "Using %d RX rings\n", prof->rx_ring_num); 2316 2317 2318 priv->rx_mb_size = dev->if_mtu + ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN; 2319 err = mlx4_SET_PORT_general(mdev->dev, priv->port, 2320 priv->rx_mb_size, 2321 prof->tx_pause, prof->tx_ppp, 2322 prof->rx_pause, prof->rx_ppp); 2323 if (err) { 2324 en_err(priv, "Failed setting port general configurations " 2325 "for port %d, with error %d\n", priv->port, err); 2326 goto out; 2327 } 2328 2329 /* Init port */ 2330 en_warn(priv, "Initializing port\n"); 2331 err = mlx4_INIT_PORT(mdev->dev, priv->port); 2332 if (err) { 2333 en_err(priv, "Failed Initializing port\n"); 2334 goto out; 2335 } 2336 2337 queue_delayed_work(mdev->workqueue, &priv->stats_task, STATS_DELAY); 2338 2339 if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS) 2340 queue_delayed_work(mdev->workqueue, &priv->service_task, SERVICE_TASK_DELAY); 2341 2342 return 0; 2343 2344out: 2345 mlx4_en_destroy_netdev(dev); 2346 return err; 2347} 2348 2349static int mlx4_en_set_ring_size(struct net_device *dev, 2350 int rx_size, int tx_size) 2351{ 2352 struct mlx4_en_priv *priv = netdev_priv(dev); 2353 struct mlx4_en_dev *mdev = priv->mdev; 2354 int port_up = 0; 2355 int err = 0; 2356 2357 rx_size = roundup_pow_of_two(rx_size); 2358 rx_size = max_t(u32, rx_size, MLX4_EN_MIN_RX_SIZE); 2359 rx_size = min_t(u32, rx_size, MLX4_EN_MAX_RX_SIZE); 2360 tx_size = roundup_pow_of_two(tx_size); 2361 tx_size = max_t(u32, tx_size, MLX4_EN_MIN_TX_SIZE); 2362 tx_size = min_t(u32, tx_size, MLX4_EN_MAX_TX_SIZE); 2363 2364 if (rx_size == (priv->port_up ? 2365 priv->rx_ring[0]->actual_size : priv->rx_ring[0]->size) && 2366 tx_size == priv->tx_ring[0]->size) 2367 return 0; 2368 mutex_lock(&mdev->state_lock); 2369 if (priv->port_up) { 2370 port_up = 1; 2371 mlx4_en_stop_port(dev); 2372 } 2373 mlx4_en_free_resources(priv); 2374 priv->prof->tx_ring_size = tx_size; 2375 priv->prof->rx_ring_size = rx_size; 2376 err = mlx4_en_alloc_resources(priv); 2377 if (err) { 2378 en_err(priv, "Failed reallocating port resources\n"); 2379 goto out; 2380 } 2381 if (port_up) { 2382 err = mlx4_en_start_port(dev); 2383 if (err) 2384 en_err(priv, "Failed starting port\n"); 2385 } 2386out: 2387 mutex_unlock(&mdev->state_lock); 2388 return err; 2389} 2390static int mlx4_en_set_rx_ring_size(SYSCTL_HANDLER_ARGS) 2391{ 2392 struct mlx4_en_priv *priv; 2393 int size; 2394 int error; 2395 2396 priv = arg1; 2397 size = priv->prof->rx_ring_size; 2398 error = sysctl_handle_int(oidp, &size, 0, req); 2399 if (error || !req->newptr) 2400 return (error); 2401 error = -mlx4_en_set_ring_size(priv->dev, size, 2402 priv->prof->tx_ring_size); 2403 return (error); 2404} 2405 2406static int mlx4_en_set_tx_ring_size(SYSCTL_HANDLER_ARGS) 2407{ 2408 struct mlx4_en_priv *priv; 2409 int size; 2410 int error; 2411 2412 priv = arg1; 2413 size = priv->prof->tx_ring_size; 2414 error = sysctl_handle_int(oidp, &size, 0, req); 2415 if (error || !req->newptr) 2416 return (error); 2417 error = -mlx4_en_set_ring_size(priv->dev, priv->prof->rx_ring_size, 2418 size); 2419 2420 return (error); 2421} 2422 2423static int mlx4_en_get_module_info(struct net_device *dev, 2424 struct ethtool_modinfo *modinfo) 2425{ 2426 struct mlx4_en_priv *priv = netdev_priv(dev); 2427 struct mlx4_en_dev *mdev = priv->mdev; 2428 int ret; 2429 u8 data[4]; 2430 2431 /* Read first 2 bytes to get Module & REV ID */ 2432 ret = mlx4_get_module_info(mdev->dev, priv->port, 2433 0/*offset*/, 2/*size*/, data); 2434 2435 if (ret < 2) { 2436 en_err(priv, "Failed to read eeprom module first two bytes, error: 0x%x\n", -ret); 2437 return -EIO; 2438 } 2439 2440 switch (data[0] /* identifier */) { 2441 case MLX4_MODULE_ID_QSFP: 2442 modinfo->type = ETH_MODULE_SFF_8436; 2443 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN; 2444 break; 2445 case MLX4_MODULE_ID_QSFP_PLUS: 2446 if (data[1] >= 0x3) { /* revision id */ 2447 modinfo->type = ETH_MODULE_SFF_8636; 2448 modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN; 2449 } else { 2450 modinfo->type = ETH_MODULE_SFF_8436; 2451 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN; 2452 } 2453 break; 2454 case MLX4_MODULE_ID_QSFP28: 2455 modinfo->type = ETH_MODULE_SFF_8636; 2456 modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN; 2457 break; 2458 case MLX4_MODULE_ID_SFP: 2459 modinfo->type = ETH_MODULE_SFF_8472; 2460 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 2461 break; 2462 default: 2463 en_err(priv, "mlx4_en_get_module_info : Not recognized cable type\n"); 2464 return -EINVAL; 2465 } 2466 2467 return 0; 2468} 2469 2470static int mlx4_en_get_module_eeprom(struct net_device *dev, 2471 struct ethtool_eeprom *ee, 2472 u8 *data) 2473{ 2474 struct mlx4_en_priv *priv = netdev_priv(dev); 2475 struct mlx4_en_dev *mdev = priv->mdev; 2476 int offset = ee->offset; 2477 int i = 0, ret; 2478 2479 if (ee->len == 0) 2480 return -EINVAL; 2481 2482 memset(data, 0, ee->len); 2483 2484 while (i < ee->len) { 2485 en_dbg(DRV, priv, 2486 "mlx4_get_module_info i(%d) offset(%d) len(%d)\n", 2487 i, offset, ee->len - i); 2488 2489 ret = mlx4_get_module_info(mdev->dev, priv->port, 2490 offset, ee->len - i, data + i); 2491 2492 if (!ret) /* Done reading */ 2493 return 0; 2494 2495 if (ret < 0) { 2496 en_err(priv, 2497 "mlx4_get_module_info i(%d) offset(%d) bytes_to_read(%d) - FAILED (0x%x)\n", 2498 i, offset, ee->len - i, ret); 2499 return -1; 2500 } 2501 2502 i += ret; 2503 offset += ret; 2504 } 2505 return 0; 2506} 2507 2508static void mlx4_en_print_eeprom(u8 *data, __u32 len) 2509{ 2510 int i; 2511 int j = 0; 2512 int row = 0; 2513 const int NUM_OF_BYTES = 16; 2514 2515 printf("\nOffset\t\tValues\n"); 2516 printf("------\t\t------\n"); 2517 while(row < len){ 2518 printf("0x%04x\t\t",row); 2519 for(i=0; i < NUM_OF_BYTES; i++){ 2520 printf("%02x ", data[j]); 2521 row++; 2522 j++; 2523 } 2524 printf("\n"); 2525 } 2526} 2527 2528/* Read cable EEPROM module information by first inspecting the first 2529 * two bytes to get the length and then read the rest of the information. 2530 * The information is printed to dmesg. */ 2531static int mlx4_en_read_eeprom(SYSCTL_HANDLER_ARGS) 2532{ 2533 2534 u8* data; 2535 int error; 2536 int result = 0; 2537 struct mlx4_en_priv *priv; 2538 struct net_device *dev; 2539 struct ethtool_modinfo modinfo; 2540 struct ethtool_eeprom ee; 2541 2542 error = sysctl_handle_int(oidp, &result, 0, req); 2543 if (error || !req->newptr) 2544 return (error); 2545 2546 if (result == 1) { 2547 priv = arg1; 2548 dev = priv->dev; 2549 data = kmalloc(PAGE_SIZE, GFP_KERNEL); 2550 2551 error = mlx4_en_get_module_info(dev, &modinfo); 2552 if (error) { 2553 en_err(priv, 2554 "mlx4_en_get_module_info returned with error - FAILED (0x%x)\n", 2555 -error); 2556 goto out; 2557 } 2558 2559 ee.len = modinfo.eeprom_len; 2560 ee.offset = 0; 2561 2562 error = mlx4_en_get_module_eeprom(dev, &ee, data); 2563 if (error) { 2564 en_err(priv, 2565 "mlx4_en_get_module_eeprom returned with error - FAILED (0x%x)\n", 2566 -error); 2567 /* Continue printing partial information in case of an error */ 2568 } 2569 2570 /* EEPROM information will be printed in dmesg */ 2571 mlx4_en_print_eeprom(data, ee.len); 2572out: 2573 kfree(data); 2574 } 2575 /* Return zero to prevent sysctl failure. */ 2576 return (0); 2577} 2578 2579static int mlx4_en_set_tx_ppp(SYSCTL_HANDLER_ARGS) 2580{ 2581 struct mlx4_en_priv *priv; 2582 int ppp; 2583 int error; 2584 2585 priv = arg1; 2586 ppp = priv->prof->tx_ppp; 2587 error = sysctl_handle_int(oidp, &ppp, 0, req); 2588 if (error || !req->newptr) 2589 return (error); 2590 if (ppp > 0xff || ppp < 0) 2591 return (-EINVAL); 2592 priv->prof->tx_ppp = ppp; 2593 error = -mlx4_SET_PORT_general(priv->mdev->dev, priv->port, 2594 priv->rx_mb_size + ETHER_CRC_LEN, 2595 priv->prof->tx_pause, 2596 priv->prof->tx_ppp, 2597 priv->prof->rx_pause, 2598 priv->prof->rx_ppp); 2599 2600 return (error); 2601} 2602 2603static int mlx4_en_set_rx_ppp(SYSCTL_HANDLER_ARGS) 2604{ 2605 struct mlx4_en_priv *priv; 2606 struct mlx4_en_dev *mdev; 2607 int ppp; 2608 int error; 2609 int port_up; 2610 2611 port_up = 0; 2612 priv = arg1; 2613 mdev = priv->mdev; 2614 ppp = priv->prof->rx_ppp; 2615 error = sysctl_handle_int(oidp, &ppp, 0, req); 2616 if (error || !req->newptr) 2617 return (error); 2618 if (ppp > 0xff || ppp < 0) 2619 return (-EINVAL); 2620 /* See if we have to change the number of tx queues. */ 2621 if (!ppp != !priv->prof->rx_ppp) { 2622 mutex_lock(&mdev->state_lock); 2623 if (priv->port_up) { 2624 port_up = 1; 2625 mlx4_en_stop_port(priv->dev); 2626 } 2627 mlx4_en_free_resources(priv); 2628 priv->prof->rx_ppp = ppp; 2629 error = -mlx4_en_alloc_resources(priv); 2630 if (error) 2631 en_err(priv, "Failed reallocating port resources\n"); 2632 if (error == 0 && port_up) { 2633 error = -mlx4_en_start_port(priv->dev); 2634 if (error) 2635 en_err(priv, "Failed starting port\n"); 2636 } 2637 mutex_unlock(&mdev->state_lock); 2638 return (error); 2639 2640 } 2641 priv->prof->rx_ppp = ppp; 2642 error = -mlx4_SET_PORT_general(priv->mdev->dev, priv->port, 2643 priv->rx_mb_size + ETHER_CRC_LEN, 2644 priv->prof->tx_pause, 2645 priv->prof->tx_ppp, 2646 priv->prof->rx_pause, 2647 priv->prof->rx_ppp); 2648 2649 return (error); 2650} 2651 2652static void mlx4_en_sysctl_conf(struct mlx4_en_priv *priv) 2653{ 2654 struct net_device *dev; 2655 struct sysctl_ctx_list *ctx; 2656 struct sysctl_oid *node; 2657 struct sysctl_oid_list *node_list; 2658 struct sysctl_oid *coal; 2659 struct sysctl_oid_list *coal_list; 2660 const char *pnameunit; 2661 dev = priv->dev; 2662 ctx = &priv->conf_ctx; 2663 pnameunit = device_get_nameunit(priv->mdev->pdev->dev.bsddev); 2664 2665 sysctl_ctx_init(ctx); 2666 priv->conf_sysctl = SYSCTL_ADD_NODE(ctx, SYSCTL_STATIC_CHILDREN(_hw), 2667 OID_AUTO, dev->if_xname, CTLFLAG_RD, 0, "mlx4 10gig ethernet"); 2668 node = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(priv->conf_sysctl), OID_AUTO, 2669 "conf", CTLFLAG_RD, NULL, "Configuration"); 2670 node_list = SYSCTL_CHILDREN(node); 2671 2672 SYSCTL_ADD_UINT(ctx, node_list, OID_AUTO, "msg_enable", 2673 CTLFLAG_RW, &priv->msg_enable, 0, 2674 "Driver message enable bitfield"); 2675 SYSCTL_ADD_UINT(ctx, node_list, OID_AUTO, "rx_rings", 2676 CTLFLAG_RD, &priv->rx_ring_num, 0, 2677 "Number of receive rings"); 2678 SYSCTL_ADD_UINT(ctx, node_list, OID_AUTO, "tx_rings", 2679 CTLFLAG_RD, &priv->tx_ring_num, 0, 2680 "Number of transmit rings"); 2681 SYSCTL_ADD_PROC(ctx, node_list, OID_AUTO, "rx_size", 2682 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, priv, 0, 2683 mlx4_en_set_rx_ring_size, "I", "Receive ring size"); 2684 SYSCTL_ADD_PROC(ctx, node_list, OID_AUTO, "tx_size", 2685 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, priv, 0, 2686 mlx4_en_set_tx_ring_size, "I", "Transmit ring size"); 2687 SYSCTL_ADD_PROC(ctx, node_list, OID_AUTO, "tx_ppp", 2688 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, priv, 0, 2689 mlx4_en_set_tx_ppp, "I", "TX Per-priority pause"); 2690 SYSCTL_ADD_PROC(ctx, node_list, OID_AUTO, "rx_ppp", 2691 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, priv, 0, 2692 mlx4_en_set_rx_ppp, "I", "RX Per-priority pause"); 2693 SYSCTL_ADD_UINT(ctx, node_list, OID_AUTO, "port_num", 2694 CTLFLAG_RD, &priv->port, 0, 2695 "Port Number"); 2696 SYSCTL_ADD_STRING(ctx, node_list, OID_AUTO, "device_name", 2697 CTLFLAG_RD, __DECONST(void *, pnameunit), 0, 2698 "PCI device name"); 2699 /* Add coalescer configuration. */ 2700 coal = SYSCTL_ADD_NODE(ctx, node_list, OID_AUTO, 2701 "coalesce", CTLFLAG_RD, NULL, "Interrupt coalesce configuration"); 2702 coal_list = SYSCTL_CHILDREN(coal); 2703 SYSCTL_ADD_UINT(ctx, coal_list, OID_AUTO, "pkt_rate_low", 2704 CTLFLAG_RW, &priv->pkt_rate_low, 0, 2705 "Packets per-second for minimum delay"); 2706 SYSCTL_ADD_UINT(ctx, coal_list, OID_AUTO, "rx_usecs_low", 2707 CTLFLAG_RW, &priv->rx_usecs_low, 0, 2708 "Minimum RX delay in micro-seconds"); 2709 SYSCTL_ADD_UINT(ctx, coal_list, OID_AUTO, "pkt_rate_high", 2710 CTLFLAG_RW, &priv->pkt_rate_high, 0, 2711 "Packets per-second for maximum delay"); 2712 SYSCTL_ADD_UINT(ctx, coal_list, OID_AUTO, "rx_usecs_high", 2713 CTLFLAG_RW, &priv->rx_usecs_high, 0, 2714 "Maximum RX delay in micro-seconds"); 2715 SYSCTL_ADD_UINT(ctx, coal_list, OID_AUTO, "sample_interval", 2716 CTLFLAG_RW, &priv->sample_interval, 0, 2717 "adaptive frequency in units of HZ ticks"); 2718 SYSCTL_ADD_UINT(ctx, coal_list, OID_AUTO, "adaptive_rx_coal", 2719 CTLFLAG_RW, &priv->adaptive_rx_coal, 0, 2720 "Enable adaptive rx coalescing"); 2721 /* EEPROM support */ 2722 SYSCTL_ADD_PROC(ctx, node_list, OID_AUTO, "eeprom_info", 2723 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, priv, 0, 2724 mlx4_en_read_eeprom, "I", "EEPROM information"); 2725} 2726 2727static void mlx4_en_sysctl_stat(struct mlx4_en_priv *priv) 2728{ 2729 struct sysctl_ctx_list *ctx; 2730 struct sysctl_oid_list *node_list; 2731 struct sysctl_oid *ring_node; 2732 struct sysctl_oid_list *ring_list; 2733 struct mlx4_en_tx_ring *tx_ring; 2734 struct mlx4_en_rx_ring *rx_ring; 2735 char namebuf[128]; 2736 int i; 2737 2738 ctx = &priv->stat_ctx; 2739 sysctl_ctx_init(ctx); 2740 priv->stat_sysctl = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(priv->conf_sysctl), OID_AUTO, 2741 "stat", CTLFLAG_RD, NULL, "Statistics"); 2742 node_list = SYSCTL_CHILDREN(priv->stat_sysctl); 2743 2744#ifdef MLX4_EN_PERF_STAT 2745 SYSCTL_ADD_UINT(ctx, node_list, OID_AUTO, "tx_poll", CTLFLAG_RD, 2746 &priv->pstats.tx_poll, "TX Poll calls"); 2747 SYSCTL_ADD_QUAD(ctx, node_list, OID_AUTO, "tx_pktsz_avg", CTLFLAG_RD, 2748 &priv->pstats.tx_pktsz_avg, "TX average packet size"); 2749 SYSCTL_ADD_UINT(ctx, node_list, OID_AUTO, "inflight_avg", CTLFLAG_RD, 2750 &priv->pstats.inflight_avg, "TX average packets in-flight"); 2751 SYSCTL_ADD_UINT(ctx, node_list, OID_AUTO, "tx_coal_avg", CTLFLAG_RD, 2752 &priv->pstats.tx_coal_avg, "TX average coalesced completions"); 2753 SYSCTL_ADD_UINT(ctx, node_list, OID_AUTO, "rx_coal_avg", CTLFLAG_RD, 2754 &priv->pstats.rx_coal_avg, "RX average coalesced completions"); 2755#endif 2756 2757 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tso_packets", CTLFLAG_RD, 2758 &priv->port_stats.tso_packets, 0, "TSO packets sent"); 2759 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "queue_stopped", CTLFLAG_RD, 2760 &priv->port_stats.queue_stopped, 0, "Queue full"); 2761 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "wake_queue", CTLFLAG_RD, 2762 &priv->port_stats.wake_queue, 0, "Queue resumed after full"); 2763 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_timeout", CTLFLAG_RD, 2764 &priv->port_stats.tx_timeout, 0, "Transmit timeouts"); 2765 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_oversized_packets", CTLFLAG_RD, 2766 &priv->port_stats.oversized_packets, 0, "TX oversized packets, m_defrag failed"); 2767 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_alloc_failed", CTLFLAG_RD, 2768 &priv->port_stats.rx_alloc_failed, 0, "RX failed to allocate mbuf"); 2769 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_chksum_good", CTLFLAG_RD, 2770 &priv->port_stats.rx_chksum_good, 0, "RX checksum offload success"); 2771 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_chksum_none", CTLFLAG_RD, 2772 &priv->port_stats.rx_chksum_none, 0, "RX without checksum offload"); 2773 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_chksum_offload", 2774 CTLFLAG_RD, &priv->port_stats.tx_chksum_offload, 0, 2775 "TX checksum offloads"); 2776 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "defrag_attempts", 2777 CTLFLAG_RD, &priv->port_stats.defrag_attempts, 0, 2778 "Oversized chains defragged"); 2779 2780 /* Could strdup the names and add in a loop. This is simpler. */ 2781 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_bytes", CTLFLAG_RD, 2782 &priv->pkstats.rx_bytes, 0, "RX Bytes"); 2783 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_packets", CTLFLAG_RD, 2784 &priv->pkstats.rx_packets, 0, "RX packets"); 2785 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_multicast_packets", CTLFLAG_RD, 2786 &priv->pkstats.rx_multicast_packets, 0, "RX Multicast Packets"); 2787 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_broadcast_packets", CTLFLAG_RD, 2788 &priv->pkstats.rx_broadcast_packets, 0, "RX Broadcast Packets"); 2789 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_errors", CTLFLAG_RD, 2790 &priv->pkstats.rx_errors, 0, "RX Errors"); 2791 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_dropped", CTLFLAG_RD, 2792 &priv->pkstats.rx_dropped, 0, "RX Dropped"); 2793 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_length_errors", CTLFLAG_RD, 2794 &priv->pkstats.rx_length_errors, 0, "RX Length Errors"); 2795 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_over_errors", CTLFLAG_RD, 2796 &priv->pkstats.rx_over_errors, 0, "RX Over Errors"); 2797 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_crc_errors", CTLFLAG_RD, 2798 &priv->pkstats.rx_crc_errors, 0, "RX CRC Errors"); 2799 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_jabbers", CTLFLAG_RD, 2800 &priv->pkstats.rx_jabbers, 0, "RX Jabbers"); 2801 2802 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_in_range_length_error", CTLFLAG_RD, 2803 &priv->pkstats.rx_in_range_length_error, 0, "RX IN_Range Length Error"); 2804 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_out_range_length_error", 2805 CTLFLAG_RD, &priv->pkstats.rx_out_range_length_error, 0, 2806 "RX Out Range Length Error"); 2807 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_lt_64_bytes_packets", CTLFLAG_RD, 2808 &priv->pkstats.rx_lt_64_bytes_packets, 0, "RX Lt 64 Bytes Packets"); 2809 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_127_bytes_packets", CTLFLAG_RD, 2810 &priv->pkstats.rx_127_bytes_packets, 0, "RX 127 bytes Packets"); 2811 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_255_bytes_packets", CTLFLAG_RD, 2812 &priv->pkstats.rx_255_bytes_packets, 0, "RX 255 bytes Packets"); 2813 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_511_bytes_packets", CTLFLAG_RD, 2814 &priv->pkstats.rx_511_bytes_packets, 0, "RX 511 bytes Packets"); 2815 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_1023_bytes_packets", CTLFLAG_RD, 2816 &priv->pkstats.rx_1023_bytes_packets, 0, "RX 1023 bytes Packets"); 2817 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_1518_bytes_packets", CTLFLAG_RD, 2818 &priv->pkstats.rx_1518_bytes_packets, 0, "RX 1518 bytes Packets"); 2819 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_1522_bytes_packets", CTLFLAG_RD, 2820 &priv->pkstats.rx_1522_bytes_packets, 0, "RX 1522 bytes Packets"); 2821 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_1548_bytes_packets", CTLFLAG_RD, 2822 &priv->pkstats.rx_1548_bytes_packets, 0, "RX 1548 bytes Packets"); 2823 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_gt_1548_bytes_packets", CTLFLAG_RD, 2824 &priv->pkstats.rx_gt_1548_bytes_packets, 0, 2825 "RX Greater Then 1548 bytes Packets"); 2826 2827 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_packets", CTLFLAG_RD, 2828 &priv->pkstats.tx_packets, 0, "TX packets"); 2829 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_bytes", CTLFLAG_RD, 2830 &priv->pkstats.tx_bytes, 0, "TX Bytes"); 2831 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_multicast_packets", CTLFLAG_RD, 2832 &priv->pkstats.tx_multicast_packets, 0, "TX Multicast Packets"); 2833 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_broadcast_packets", CTLFLAG_RD, 2834 &priv->pkstats.tx_broadcast_packets, 0, "TX Broadcast Packets"); 2835 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_errors", CTLFLAG_RD, 2836 &priv->pkstats.tx_errors, 0, "TX Errors"); 2837 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_dropped", CTLFLAG_RD, 2838 &priv->pkstats.tx_dropped, 0, "TX Dropped"); 2839 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_lt_64_bytes_packets", CTLFLAG_RD, 2840 &priv->pkstats.tx_lt_64_bytes_packets, 0, "TX Less Then 64 Bytes Packets"); 2841 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_127_bytes_packets", CTLFLAG_RD, 2842 &priv->pkstats.tx_127_bytes_packets, 0, "TX 127 Bytes Packets"); 2843 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_255_bytes_packets", CTLFLAG_RD, 2844 &priv->pkstats.tx_255_bytes_packets, 0, "TX 255 Bytes Packets"); 2845 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_511_bytes_packets", CTLFLAG_RD, 2846 &priv->pkstats.tx_511_bytes_packets, 0, "TX 511 Bytes Packets"); 2847 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_1023_bytes_packets", CTLFLAG_RD, 2848 &priv->pkstats.tx_1023_bytes_packets, 0, "TX 1023 Bytes Packets"); 2849 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_1518_bytes_packets", CTLFLAG_RD, 2850 &priv->pkstats.tx_1518_bytes_packets, 0, "TX 1518 Bytes Packets"); 2851 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_1522_bytes_packets", CTLFLAG_RD, 2852 &priv->pkstats.tx_1522_bytes_packets, 0, "TX 1522 Bytes Packets"); 2853 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_1548_bytes_packets", CTLFLAG_RD, 2854 &priv->pkstats.tx_1548_bytes_packets, 0, "TX 1548 Bytes Packets"); 2855 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_gt_1548_bytes_packets", CTLFLAG_RD, 2856 &priv->pkstats.tx_gt_1548_bytes_packets, 0, 2857 "TX Greater Then 1548 Bytes Packets"); 2858 2859 for (i = 0; i < priv->tx_ring_num; i++) { 2860 tx_ring = priv->tx_ring[i]; 2861 snprintf(namebuf, sizeof(namebuf), "tx_ring%d", i); 2862 ring_node = SYSCTL_ADD_NODE(ctx, node_list, OID_AUTO, namebuf, 2863 CTLFLAG_RD, NULL, "TX Ring"); 2864 ring_list = SYSCTL_CHILDREN(ring_node); 2865 SYSCTL_ADD_U64(ctx, ring_list, OID_AUTO, "packets", 2866 CTLFLAG_RD, &tx_ring->packets, 0, "TX packets"); 2867 SYSCTL_ADD_U64(ctx, ring_list, OID_AUTO, "bytes", 2868 CTLFLAG_RD, &tx_ring->bytes, 0, "TX bytes"); 2869 SYSCTL_ADD_U64(ctx, ring_list, OID_AUTO, "tso_packets", 2870 CTLFLAG_RD, &tx_ring->tso_packets, 0, "TSO packets"); 2871 SYSCTL_ADD_U64(ctx, ring_list, OID_AUTO, "defrag_attempts", 2872 CTLFLAG_RD, &tx_ring->defrag_attempts, 0, 2873 "Oversized chains defragged"); 2874 } 2875 2876 for (i = 0; i < priv->rx_ring_num; i++) { 2877 rx_ring = priv->rx_ring[i]; 2878 snprintf(namebuf, sizeof(namebuf), "rx_ring%d", i); 2879 ring_node = SYSCTL_ADD_NODE(ctx, node_list, OID_AUTO, namebuf, 2880 CTLFLAG_RD, NULL, "RX Ring"); 2881 ring_list = SYSCTL_CHILDREN(ring_node); 2882 SYSCTL_ADD_U64(ctx, ring_list, OID_AUTO, "packets", 2883 CTLFLAG_RD, &rx_ring->packets, 0, "RX packets"); 2884 SYSCTL_ADD_U64(ctx, ring_list, OID_AUTO, "bytes", 2885 CTLFLAG_RD, &rx_ring->bytes, 0, "RX bytes"); 2886 SYSCTL_ADD_U64(ctx, ring_list, OID_AUTO, "error", 2887 CTLFLAG_RD, &rx_ring->errors, 0, "RX soft errors"); 2888 } 2889} 2890