2 * Copyright (c) 2007, 2014 Mellanox Technologies. All rights reserved.
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:
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
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.
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
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>
42 #include <linux/list.h>
43 #include <linux/if_ether.h>
45 #include <dev/mlx4/driver.h>
46 #include <dev/mlx4/device.h>
47 #include <dev/mlx4/cmd.h>
48 #include <dev/mlx4/cq.h>
50 #include <sys/sockio.h>
51 #include <sys/sysctl.h>
56 static void mlx4_en_sysctl_stat(struct mlx4_en_priv *priv);
57 static void mlx4_en_sysctl_conf(struct mlx4_en_priv *priv);
59 #ifdef CONFIG_NET_RX_BUSY_POLL
60 /* must be called with local_bh_disable()d */
61 static int mlx4_en_low_latency_recv(struct napi_struct *napi)
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];
70 return LL_FLUSH_FAILED;
72 if (!mlx4_en_cq_lock_poll(cq))
75 done = mlx4_en_process_rx_cq(dev, cq, 4);
76 #ifdef LL_EXTENDED_STATS
78 rx_ring->cleaned += done;
83 mlx4_en_cq_unlock_poll(cq);
87 #endif /* CONFIG_NET_RX_BUSY_POLL */
89 #ifdef CONFIG_RFS_ACCEL
91 struct mlx4_en_filter {
92 struct list_head next;
93 struct work_struct work;
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
109 struct hlist_node filter_chain;
112 static void mlx4_en_filter_rfs_expire(struct mlx4_en_priv *priv);
114 static enum mlx4_net_trans_rule_id mlx4_ip_proto_to_trans_rule_id(u8 ip_proto)
118 return MLX4_NET_TRANS_RULE_ID_UDP;
120 return MLX4_NET_TRANS_RULE_ID_TCP;
122 return MLX4_NET_TRANS_RULE_NUM;
126 static void mlx4_en_filter_work(struct work_struct *work)
128 struct mlx4_en_filter *filter = container_of(work,
129 struct mlx4_en_filter,
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),
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,
143 struct mlx4_spec_list spec_ip = {
144 .id = MLX4_NET_TRANS_RULE_ID_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,
154 struct mlx4_spec_list spec_eth = {
155 .id = MLX4_NET_TRANS_RULE_ID_ETH,
157 struct mlx4_net_trans_rule rule = {
158 .list = LIST_HEAD_INIT(rule.list),
159 .queue_mode = MLX4_NET_TRANS_Q_LIFO,
162 .promisc_mode = MLX4_FS_REGULAR,
164 .priority = MLX4_DOMAIN_RFS,
167 __be64 mac_mask = cpu_to_be64(MLX4_MAC_MASK << 16);
169 if (spec_tcp_udp.id >= MLX4_NET_TRANS_RULE_NUM) {
170 en_warn(priv, "RFS: ignoring unsupported ip protocol (%d)\n",
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);
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);
182 filter->activated = 0;
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);
190 rc = mlx4_flow_attach(priv->mdev->dev, &rule, &filter->reg_id);
192 en_err(priv, "Error attaching flow. err = %d\n", rc);
195 mlx4_en_filter_rfs_expire(priv);
197 filter->activated = 1;
200 static inline struct hlist_head *
201 filter_hash_bucket(struct mlx4_en_priv *priv, __be32 src_ip, __be32 dst_ip,
202 __be16 src_port, __be16 dst_port)
207 l = (__force unsigned long)src_port |
208 ((__force unsigned long)dst_port << 2);
209 l ^= (__force unsigned long)(src_ip ^ dst_ip);
211 bucket_idx = hash_long(l, MLX4_EN_FILTER_HASH_SHIFT);
213 return &priv->filter_hash[bucket_idx];
216 static struct mlx4_en_filter *
217 mlx4_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)
221 struct mlx4_en_filter *filter = NULL;
223 filter = kzalloc(sizeof(struct mlx4_en_filter), GFP_ATOMIC);
228 filter->rxq_index = rxq_index;
229 INIT_WORK(&filter->work, mlx4_en_filter_work);
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;
237 filter->flow_id = flow_id;
239 filter->id = priv->last_filter_id++ % RPS_NO_FILTER;
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,
249 static void mlx4_en_filter_free(struct mlx4_en_filter *filter)
251 struct mlx4_en_priv *priv = filter->priv;
254 list_del(&filter->next);
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);
263 static inline struct mlx4_en_filter *
264 mlx4_en_filter_find(struct mlx4_en_priv *priv, __be32 src_ip, __be32 dst_ip,
265 u8 ip_proto, __be16 src_port, __be16 dst_port)
267 struct mlx4_en_filter *filter;
268 struct mlx4_en_filter *ret = NULL;
270 hlist_for_each_entry(filter,
271 filter_hash_bucket(priv, src_ip, dst_ip,
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) {
288 mlx4_en_filter_rfs(struct net_device *net_dev, const struct sk_buff *skb,
289 u16 rxq_index, u32 flow_id)
291 struct mlx4_en_priv *priv = netdev_priv(net_dev);
292 struct mlx4_en_filter *filter;
293 const struct iphdr *ip;
300 int nhoff = skb_network_offset(skb);
303 if (skb->protocol != htons(ETH_P_IP))
304 return -EPROTONOSUPPORT;
306 ip = (const struct iphdr *)(skb->data + nhoff);
307 if (ip_is_fragment(ip))
308 return -EPROTONOSUPPORT;
310 if ((ip->protocol != IPPROTO_TCP) && (ip->protocol != IPPROTO_UDP))
311 return -EPROTONOSUPPORT;
312 ports = (const __be16 *)(skb->data + nhoff + 4 * ip->ihl);
314 ip_proto = ip->protocol;
320 spin_lock_bh(&priv->filters_lock);
321 filter = mlx4_en_filter_find(priv, src_ip, dst_ip, ip_proto,
324 if (filter->rxq_index == rxq_index)
327 filter->rxq_index = rxq_index;
329 filter = mlx4_en_filter_alloc(priv, rxq_index,
330 src_ip, dst_ip, ip_proto,
331 src_port, dst_port, flow_id);
338 queue_work(priv->mdev->workqueue, &filter->work);
343 spin_unlock_bh(&priv->filters_lock);
348 void mlx4_en_cleanup_filters(struct mlx4_en_priv *priv)
350 struct mlx4_en_filter *filter, *tmp;
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);
358 spin_unlock_bh(&priv->filters_lock);
360 list_for_each_entry_safe(filter, tmp, &del_list, next) {
361 cancel_work_sync(&filter->work);
362 mlx4_en_filter_free(filter);
366 static void mlx4_en_filter_rfs_expire(struct mlx4_en_priv *priv)
368 struct mlx4_en_filter *filter = NULL, *tmp, *last_filter = NULL;
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)
377 if (filter->activated &&
378 !work_pending(&filter->work) &&
379 rps_may_expire_flow(priv->dev,
380 filter->rxq_index, filter->flow_id,
382 list_move(&filter->next, &del_list);
383 hlist_del(&filter->filter_chain);
385 last_filter = filter;
390 if (last_filter && (&last_filter->next != priv->filters.next))
391 list_move(&priv->filters, &last_filter->next);
393 spin_unlock_bh(&priv->filters_lock);
395 list_for_each_entry_safe(filter, tmp, &del_list, next)
396 mlx4_en_filter_free(filter);
400 static void mlx4_en_vlan_rx_add_vid(void *arg, struct net_device *dev, u16 vid)
402 struct mlx4_en_priv *priv = netdev_priv(dev);
403 struct mlx4_en_dev *mdev = priv->mdev;
410 en_dbg(HW, priv, "adding VLAN:%d\n", vid);
412 set_bit(vid, priv->active_vlans);
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);
419 en_err(priv, "Failed configuring VLAN filter\n");
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);
427 static void mlx4_en_vlan_rx_kill_vid(void *arg, struct net_device *dev, u16 vid)
429 struct mlx4_en_priv *priv = netdev_priv(dev);
430 struct mlx4_en_dev *mdev = priv->mdev;
436 en_dbg(HW, priv, "Killing VID:%d\n", vid);
438 clear_bit(vid, priv->active_vlans);
440 /* Remove VID from port VLAN filter */
441 mutex_lock(&mdev->state_lock);
442 mlx4_unregister_vlan(mdev->dev, priv->port, vid);
444 if (mdev->device_up && priv->port_up) {
445 err = mlx4_SET_VLAN_FLTR(mdev->dev, priv);
447 en_err(priv, "Failed configuring VLAN filter\n");
449 mutex_unlock(&mdev->state_lock);
453 static int mlx4_en_tunnel_steer_add(struct mlx4_en_priv *priv, unsigned char *addr,
454 int qpn, u64 *reg_id)
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 */
462 err = mlx4_tunnel_steer_add(priv->mdev->dev, addr, priv->port, qpn,
463 MLX4_DOMAIN_NIC, reg_id);
465 en_err(priv, "failed to add vxlan steering rule, err %d\n", err);
468 en_dbg(DRV, priv, "added vxlan steering rule, mac %pM reg_id %llx\n", addr, (long long)*reg_id);
472 static int mlx4_en_uc_steer_add(struct mlx4_en_priv *priv,
473 unsigned char *mac, int *qpn, u64 *reg_id)
475 struct mlx4_en_dev *mdev = priv->mdev;
476 struct mlx4_dev *dev = mdev->dev;
479 switch (dev->caps.steering_mode) {
480 case MLX4_STEERING_MODE_B0: {
485 memcpy(&gid[10], mac, ETH_ALEN);
488 err = mlx4_unicast_attach(dev, &qp, gid, 0, MLX4_PROT_ETH);
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);
495 struct mlx4_net_trans_rule rule = {
496 .queue_mode = MLX4_NET_TRANS_Q_FIFO,
499 .promisc_mode = MLX4_FS_REGULAR,
500 .priority = MLX4_DOMAIN_NIC,
503 rule.port = priv->port;
505 INIT_LIST_HEAD(&rule.list);
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);
512 err = mlx4_flow_attach(dev, &rule, reg_id);
519 en_warn(priv, "Failed Attaching Unicast\n");
524 static void mlx4_en_uc_steer_release(struct mlx4_en_priv *priv,
525 unsigned char *mac, int qpn, u64 reg_id)
527 struct mlx4_en_dev *mdev = priv->mdev;
528 struct mlx4_dev *dev = mdev->dev;
530 switch (dev->caps.steering_mode) {
531 case MLX4_STEERING_MODE_B0: {
536 memcpy(&gid[10], mac, ETH_ALEN);
539 mlx4_unicast_detach(dev, &qp, gid, MLX4_PROT_ETH);
542 case MLX4_STEERING_MODE_DEVICE_MANAGED: {
543 mlx4_flow_detach(dev, reg_id);
547 en_err(priv, "Invalid steering mode.\n");
551 static int mlx4_en_get_qp(struct mlx4_en_priv *priv)
553 struct mlx4_en_dev *mdev = priv->mdev;
554 struct mlx4_dev *dev = mdev->dev;
557 int *qpn = &priv->base_qpn;
558 u64 mac = mlx4_mac_to_u64(IF_LLADDR(priv->dev));
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);
565 en_err(priv, "Failed adding MAC: %pM\n",
566 IF_LLADDR(priv->dev));
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;
576 err = mlx4_qp_reserve_range(dev, 1, 1, qpn, MLX4_RESERVE_A0_QP);
577 en_dbg(DRV, priv, "Reserved qp %d\n", *qpn);
579 en_err(priv, "Failed to reserve qp for mac registration\n");
580 mlx4_unregister_mac(dev, priv->port, mac);
587 static void mlx4_en_put_qp(struct mlx4_en_priv *priv)
589 struct mlx4_en_dev *mdev = priv->mdev;
590 struct mlx4_dev *dev = mdev->dev;
591 int qpn = priv->base_qpn;
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);
599 en_dbg(DRV, priv, "Releasing qp: port %d, qpn %d\n",
601 mlx4_qp_release_range(dev, qpn, 1);
602 priv->flags &= ~MLX4_EN_FLAG_FORCE_PROMISC;
606 static void mlx4_en_clear_uclist(struct net_device *dev)
608 struct mlx4_en_priv *priv = netdev_priv(dev);
609 struct mlx4_en_addr_list *tmp, *uc_to_del;
611 list_for_each_entry_safe(uc_to_del, tmp, &priv->uc_list, list) {
612 list_del(&uc_to_del->list);
617 static void mlx4_en_cache_uclist(struct net_device *dev)
619 struct mlx4_en_priv *priv = netdev_priv(dev);
620 struct mlx4_en_addr_list *tmp;
623 mlx4_en_clear_uclist(dev);
626 TAILQ_FOREACH(ifa, &dev->if_addrhead, ifa_link) {
627 if (ifa->ifa_addr->sa_family != AF_LINK)
629 if (((struct sockaddr_dl *)ifa->ifa_addr)->sdl_alen !=
632 tmp = kzalloc(sizeof(struct mlx4_en_addr_list), GFP_ATOMIC);
634 en_err(priv, "Failed to allocate address list\n");
638 LLADDR((struct sockaddr_dl *)ifa->ifa_addr), ETH_ALEN);
639 list_add_tail(&tmp->list, &priv->uc_list);
641 if_addr_runlock(dev);
644 static void mlx4_en_clear_mclist(struct net_device *dev)
646 struct mlx4_en_priv *priv = netdev_priv(dev);
647 struct mlx4_en_addr_list *tmp, *mc_to_del;
649 list_for_each_entry_safe(mc_to_del, tmp, &priv->mc_list, list) {
650 list_del(&mc_to_del->list);
655 static void mlx4_en_cache_mclist(struct net_device *dev)
657 struct mlx4_en_priv *priv = netdev_priv(dev);
658 struct mlx4_en_addr_list *tmp;
659 struct ifmultiaddr *ifma;
661 mlx4_en_clear_mclist(dev);
664 TAILQ_FOREACH(ifma, &dev->if_multiaddrs, ifma_link) {
665 if (ifma->ifma_addr->sa_family != AF_LINK)
667 if (((struct sockaddr_dl *)ifma->ifma_addr)->sdl_alen !=
670 tmp = kzalloc(sizeof(struct mlx4_en_addr_list), GFP_ATOMIC);
672 en_err(priv, "Failed to allocate address list\n");
676 LLADDR((struct sockaddr_dl *)ifma->ifma_addr), ETH_ALEN);
677 list_add_tail(&tmp->list, &priv->mc_list);
679 if_maddr_runlock(dev);
682 static void update_addr_list_flags(struct mlx4_en_priv *priv,
683 struct list_head *dst,
684 struct list_head *src)
686 struct mlx4_en_addr_list *dst_tmp, *src_tmp, *new_mc;
689 /* Find all the entries that should be removed from dst,
690 * These are the entries that are not found in src
692 list_for_each_entry(dst_tmp, dst, list) {
694 list_for_each_entry(src_tmp, src, list) {
695 if (!memcmp(dst_tmp->addr, src_tmp->addr, ETH_ALEN)) {
701 dst_tmp->action = MLX4_ADDR_LIST_REM;
704 /* Add entries that exist in src but not in dst
705 * mark them as need to add
707 list_for_each_entry(src_tmp, src, list) {
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;
717 new_mc = kmalloc(sizeof(struct mlx4_en_addr_list),
720 en_err(priv, "Failed to allocate current multicast list\n");
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);
731 static void mlx4_en_set_rx_mode(struct net_device *dev)
733 struct mlx4_en_priv *priv = netdev_priv(dev);
738 queue_work(priv->mdev->workqueue, &priv->rx_mode_task);
741 static void mlx4_en_set_promisc_mode(struct mlx4_en_priv *priv,
742 struct mlx4_en_dev *mdev)
746 if (!(priv->flags & MLX4_EN_FLAG_PROMISC)) {
747 priv->flags |= MLX4_EN_FLAG_PROMISC;
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,
755 MLX4_FS_ALL_DEFAULT);
757 en_err(priv, "Failed enabling promiscuous mode\n");
758 priv->flags |= MLX4_EN_FLAG_MC_PROMISC;
761 case MLX4_STEERING_MODE_B0:
762 err = mlx4_unicast_promisc_add(mdev->dev,
766 en_err(priv, "Failed enabling unicast promiscuous mode\n");
768 /* Add the default qp number as multicast
771 if (!(priv->flags & MLX4_EN_FLAG_MC_PROMISC)) {
772 err = mlx4_multicast_promisc_add(mdev->dev,
776 en_err(priv, "Failed enabling multicast promiscuous mode\n");
777 priv->flags |= MLX4_EN_FLAG_MC_PROMISC;
781 case MLX4_STEERING_MODE_A0:
782 err = mlx4_SET_PORT_qpn_calc(mdev->dev,
787 en_err(priv, "Failed enabling promiscuous mode\n");
791 /* Disable port multicast filter (unconditionally) */
792 err = mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0,
793 0, MLX4_MCAST_DISABLE);
795 en_err(priv, "Failed disabling multicast filter\n");
799 static void mlx4_en_clear_promisc_mode(struct mlx4_en_priv *priv,
800 struct mlx4_en_dev *mdev)
804 priv->flags &= ~MLX4_EN_FLAG_PROMISC;
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,
811 MLX4_FS_ALL_DEFAULT);
813 en_err(priv, "Failed disabling promiscuous mode\n");
814 priv->flags &= ~MLX4_EN_FLAG_MC_PROMISC;
817 case MLX4_STEERING_MODE_B0:
818 err = mlx4_unicast_promisc_remove(mdev->dev,
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,
829 en_err(priv, "Failed disabling multicast promiscuous mode\n");
830 priv->flags &= ~MLX4_EN_FLAG_MC_PROMISC;
834 case MLX4_STEERING_MODE_A0:
835 err = mlx4_SET_PORT_qpn_calc(mdev->dev,
839 en_err(priv, "Failed disabling promiscuous mode\n");
844 static void mlx4_en_do_multicast(struct mlx4_en_priv *priv,
845 struct net_device *dev,
846 struct mlx4_en_dev *mdev)
848 struct mlx4_en_addr_list *addr_list, *tmp;
849 u8 mc_list[16] = {0};
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);
859 en_err(priv, "Failed disabling multicast filter\n");
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,
871 case MLX4_STEERING_MODE_B0:
872 err = mlx4_multicast_promisc_add(mdev->dev,
877 case MLX4_STEERING_MODE_A0:
881 en_err(priv, "Failed entering multicast promisc mode\n");
882 priv->flags |= MLX4_EN_FLAG_MC_PROMISC;
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,
894 case MLX4_STEERING_MODE_B0:
895 err = mlx4_multicast_promisc_remove(mdev->dev,
900 case MLX4_STEERING_MODE_A0:
904 en_err(priv, "Failed disabling multicast promiscuous mode\n");
905 priv->flags &= ~MLX4_EN_FLAG_MC_PROMISC;
908 /* Update unicast list */
909 mlx4_en_cache_uclist(dev);
911 update_addr_list_flags(priv, &priv->curr_uc_list, &priv->uc_list);
913 list_for_each_entry_safe(addr_list, tmp, &priv->curr_uc_list, list) {
914 if (addr_list->action == MLX4_ADDR_LIST_REM) {
915 mlx4_en_uc_steer_release(priv, addr_list->addr,
916 priv->rss_map.indir_qp.qpn,
918 /* remove from list */
919 list_del(&addr_list->list);
921 } else if (addr_list->action == MLX4_ADDR_LIST_ADD) {
922 err = mlx4_en_uc_steer_add(priv, addr_list->addr,
923 &priv->rss_map.indir_qp.qpn,
926 en_err(priv, "Fail to add unicast address\n");
930 err = mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0,
931 0, MLX4_MCAST_DISABLE);
933 en_err(priv, "Failed disabling multicast filter\n");
935 /* Flush mcast filter and init it with broadcast address */
936 mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, ETH_BCAST,
937 1, MLX4_MCAST_CONFIG);
939 /* Update multicast list - we cache all addresses so they won't
940 * change while HW is updated holding the command semaphor */
941 mlx4_en_cache_mclist(dev);
942 list_for_each_entry(addr_list, &priv->mc_list, list) {
943 mcast_addr = mlx4_mac_to_u64(addr_list->addr);
944 mlx4_SET_MCAST_FLTR(mdev->dev, priv->port,
945 mcast_addr, 0, MLX4_MCAST_CONFIG);
947 err = mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0,
948 0, MLX4_MCAST_ENABLE);
950 en_err(priv, "Failed enabling multicast filter\n");
952 update_addr_list_flags(priv, &priv->curr_mc_list, &priv->mc_list);
954 list_for_each_entry_safe(addr_list, tmp, &priv->curr_mc_list, list) {
955 if (addr_list->action == MLX4_ADDR_LIST_REM) {
956 /* detach this address and delete from list */
957 memcpy(&mc_list[10], addr_list->addr, ETH_ALEN);
958 mc_list[5] = priv->port;
959 err = mlx4_multicast_detach(mdev->dev,
960 &priv->rss_map.indir_qp,
965 en_err(priv, "Fail to detach multicast address\n");
967 if (addr_list->tunnel_reg_id) {
968 err = mlx4_flow_detach(priv->mdev->dev, addr_list->tunnel_reg_id);
970 en_err(priv, "Failed to detach multicast address\n");
973 /* remove from list */
974 list_del(&addr_list->list);
976 } else if (addr_list->action == MLX4_ADDR_LIST_ADD) {
977 /* attach the address */
978 memcpy(&mc_list[10], addr_list->addr, ETH_ALEN);
979 /* needed for B0 steering support */
980 mc_list[5] = priv->port;
981 err = mlx4_multicast_attach(mdev->dev,
982 &priv->rss_map.indir_qp,
988 en_err(priv, "Fail to attach multicast address\n");
990 err = mlx4_en_tunnel_steer_add(priv, &mc_list[10], priv->base_qpn,
991 &addr_list->tunnel_reg_id);
993 en_err(priv, "Failed to attach multicast address\n");
999 static void mlx4_en_do_set_rx_mode(struct work_struct *work)
1001 struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv,
1003 struct mlx4_en_dev *mdev = priv->mdev;
1004 struct net_device *dev = priv->dev;
1006 mutex_lock(&mdev->state_lock);
1007 if (!mdev->device_up) {
1008 en_dbg(HW, priv, "Card is not up, ignoring rx mode change.\n");
1011 if (!priv->port_up) {
1012 en_dbg(HW, priv, "Port is down, ignoring rx mode change.\n");
1015 if (!mlx4_en_QUERY_PORT(mdev, priv->port)) {
1016 if (priv->port_state.link_state) {
1017 priv->last_link_state = MLX4_DEV_EVENT_PORT_UP;
1018 /* update netif baudrate */
1019 priv->dev->if_baudrate =
1020 IF_Mbps(priv->port_state.link_speed);
1021 /* Important note: the following call for if_link_state_change
1022 * is needed for interface up scenario (start port, link state
1024 if_link_state_change(priv->dev, LINK_STATE_UP);
1025 en_dbg(HW, priv, "Link Up\n");
1029 /* Promsicuous mode: disable all filters */
1030 if ((dev->if_flags & IFF_PROMISC) ||
1031 (priv->flags & MLX4_EN_FLAG_FORCE_PROMISC)) {
1032 mlx4_en_set_promisc_mode(priv, mdev);
1036 /* Not in promiscuous mode */
1037 if (priv->flags & MLX4_EN_FLAG_PROMISC)
1038 mlx4_en_clear_promisc_mode(priv, mdev);
1040 mlx4_en_do_multicast(priv, dev, mdev);
1042 mutex_unlock(&mdev->state_lock);
1045 static void mlx4_en_watchdog_timeout(void *arg)
1047 struct mlx4_en_priv *priv = arg;
1048 struct mlx4_en_dev *mdev = priv->mdev;
1050 en_dbg(DRV, priv, "Scheduling watchdog\n");
1051 queue_work(mdev->workqueue, &priv->watchdog_task);
1053 callout_reset(&priv->watchdog_timer, MLX4_EN_WATCHDOG_TIMEOUT,
1054 mlx4_en_watchdog_timeout, priv);
1059 static void mlx4_en_set_default_moderation(struct mlx4_en_priv *priv)
1061 struct mlx4_en_cq *cq;
1064 /* If we haven't received a specific coalescing setting
1065 * (module param), we set the moderation parameters as follows:
1066 * - moder_cnt is set to the number of mtu sized packets to
1067 * satisfy our coalescing target.
1068 * - moder_time is set to a fixed value.
1070 priv->rx_frames = MLX4_EN_RX_COAL_TARGET;
1071 priv->rx_usecs = MLX4_EN_RX_COAL_TIME;
1072 priv->tx_frames = MLX4_EN_TX_COAL_PKTS;
1073 priv->tx_usecs = MLX4_EN_TX_COAL_TIME;
1074 en_dbg(INTR, priv, "Default coalesing params for mtu: %u - "
1075 "rx_frames:%d rx_usecs:%d\n",
1076 (unsigned)priv->dev->if_mtu, priv->rx_frames, priv->rx_usecs);
1078 /* Setup cq moderation params */
1079 for (i = 0; i < priv->rx_ring_num; i++) {
1080 cq = priv->rx_cq[i];
1081 cq->moder_cnt = priv->rx_frames;
1082 cq->moder_time = priv->rx_usecs;
1083 priv->last_moder_time[i] = MLX4_EN_AUTO_CONF;
1084 priv->last_moder_packets[i] = 0;
1085 priv->last_moder_bytes[i] = 0;
1088 for (i = 0; i < priv->tx_ring_num; i++) {
1089 cq = priv->tx_cq[i];
1090 cq->moder_cnt = priv->tx_frames;
1091 cq->moder_time = priv->tx_usecs;
1094 /* Reset auto-moderation params */
1095 priv->pkt_rate_low = MLX4_EN_RX_RATE_LOW;
1096 priv->rx_usecs_low = MLX4_EN_RX_COAL_TIME_LOW;
1097 priv->pkt_rate_high = MLX4_EN_RX_RATE_HIGH;
1098 priv->rx_usecs_high = MLX4_EN_RX_COAL_TIME_HIGH;
1099 priv->sample_interval = MLX4_EN_SAMPLE_INTERVAL;
1100 priv->adaptive_rx_coal = 1;
1101 priv->last_moder_jiffies = 0;
1102 priv->last_moder_tx_packets = 0;
1105 static void mlx4_en_auto_moderation(struct mlx4_en_priv *priv)
1107 unsigned long period = (unsigned long) (jiffies - priv->last_moder_jiffies);
1108 struct mlx4_en_cq *cq;
1109 unsigned long packets;
1111 unsigned long avg_pkt_size;
1112 unsigned long rx_packets;
1113 unsigned long rx_bytes;
1114 unsigned long rx_pkt_diff;
1118 if (!priv->adaptive_rx_coal || period < priv->sample_interval * HZ)
1121 for (ring = 0; ring < priv->rx_ring_num; ring++) {
1122 spin_lock(&priv->stats_lock);
1123 rx_packets = priv->rx_ring[ring]->packets;
1124 rx_bytes = priv->rx_ring[ring]->bytes;
1125 spin_unlock(&priv->stats_lock);
1127 rx_pkt_diff = ((unsigned long) (rx_packets -
1128 priv->last_moder_packets[ring]));
1129 packets = rx_pkt_diff;
1130 rate = packets * HZ / period;
1131 avg_pkt_size = packets ? ((unsigned long) (rx_bytes -
1132 priv->last_moder_bytes[ring])) / packets : 0;
1134 /* Apply auto-moderation only when packet rate
1135 * exceeds a rate that it matters */
1136 if (rate > (MLX4_EN_RX_RATE_THRESH / priv->rx_ring_num) &&
1137 avg_pkt_size > MLX4_EN_AVG_PKT_SMALL) {
1138 if (rate < priv->pkt_rate_low)
1139 moder_time = priv->rx_usecs_low;
1140 else if (rate > priv->pkt_rate_high)
1141 moder_time = priv->rx_usecs_high;
1143 moder_time = (rate - priv->pkt_rate_low) *
1144 (priv->rx_usecs_high - priv->rx_usecs_low) /
1145 (priv->pkt_rate_high - priv->pkt_rate_low) +
1148 moder_time = priv->rx_usecs_low;
1151 if (moder_time != priv->last_moder_time[ring]) {
1152 priv->last_moder_time[ring] = moder_time;
1153 cq = priv->rx_cq[ring];
1154 cq->moder_time = moder_time;
1155 cq->moder_cnt = priv->rx_frames;
1156 err = mlx4_en_set_cq_moder(priv, cq);
1158 en_err(priv, "Failed modifying moderation for cq:%d\n",
1161 priv->last_moder_packets[ring] = rx_packets;
1162 priv->last_moder_bytes[ring] = rx_bytes;
1165 priv->last_moder_jiffies = jiffies;
1168 static void mlx4_en_do_get_stats(struct work_struct *work)
1170 struct delayed_work *delay = to_delayed_work(work);
1171 struct mlx4_en_priv *priv = container_of(delay, struct mlx4_en_priv,
1173 struct mlx4_en_dev *mdev = priv->mdev;
1176 mutex_lock(&mdev->state_lock);
1177 if (mdev->device_up) {
1178 if (priv->port_up) {
1179 if (mlx4_is_slave(mdev->dev))
1180 err = mlx4_en_get_vport_stats(mdev, priv->port);
1182 err = mlx4_en_DUMP_ETH_STATS(mdev, priv->port, 0);
1184 en_dbg(HW, priv, "Could not update stats\n");
1186 mlx4_en_auto_moderation(priv);
1189 queue_delayed_work(mdev->workqueue, &priv->stats_task, STATS_DELAY);
1191 mutex_unlock(&mdev->state_lock);
1194 /* mlx4_en_service_task - Run service task for tasks that needed to be done
1197 static void mlx4_en_service_task(struct work_struct *work)
1199 struct delayed_work *delay = to_delayed_work(work);
1200 struct mlx4_en_priv *priv = container_of(delay, struct mlx4_en_priv,
1202 struct mlx4_en_dev *mdev = priv->mdev;
1204 mutex_lock(&mdev->state_lock);
1205 if (mdev->device_up) {
1206 queue_delayed_work(mdev->workqueue, &priv->service_task,
1207 SERVICE_TASK_DELAY);
1209 mutex_unlock(&mdev->state_lock);
1212 static void mlx4_en_linkstate(struct work_struct *work)
1214 struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv,
1216 struct mlx4_en_dev *mdev = priv->mdev;
1217 int linkstate = priv->link_state;
1219 mutex_lock(&mdev->state_lock);
1220 /* If observable port state changed set carrier state and
1221 * report to system log */
1222 if (priv->last_link_state != linkstate) {
1223 if (linkstate == MLX4_DEV_EVENT_PORT_DOWN) {
1224 en_info(priv, "Link Down\n");
1225 if_link_state_change(priv->dev, LINK_STATE_DOWN);
1226 /* update netif baudrate */
1227 priv->dev->if_baudrate = 0;
1229 /* make sure the port is up before notifying the OS.
1230 * This is tricky since we get here on INIT_PORT and
1231 * in such case we can't tell the OS the port is up.
1232 * To solve this there is a call to if_link_state_change
1235 } else if (priv->port_up && (linkstate == MLX4_DEV_EVENT_PORT_UP)){
1236 if (mlx4_en_QUERY_PORT(priv->mdev, priv->port))
1237 en_info(priv, "Query port failed\n");
1238 priv->dev->if_baudrate =
1239 IF_Mbps(priv->port_state.link_speed);
1240 en_info(priv, "Link Up\n");
1241 if_link_state_change(priv->dev, LINK_STATE_UP);
1244 priv->last_link_state = linkstate;
1245 mutex_unlock(&mdev->state_lock);
1249 int mlx4_en_start_port(struct net_device *dev)
1251 struct mlx4_en_priv *priv = netdev_priv(dev);
1252 struct mlx4_en_dev *mdev = priv->mdev;
1253 struct mlx4_en_cq *cq;
1254 struct mlx4_en_tx_ring *tx_ring;
1260 u8 mc_list[16] = {0};
1263 if (priv->port_up) {
1264 en_dbg(DRV, priv, "start port called while port already up\n");
1268 INIT_LIST_HEAD(&priv->mc_list);
1269 INIT_LIST_HEAD(&priv->uc_list);
1270 INIT_LIST_HEAD(&priv->curr_mc_list);
1271 INIT_LIST_HEAD(&priv->curr_uc_list);
1272 INIT_LIST_HEAD(&priv->ethtool_list);
1274 /* Calculate Rx buf size */
1275 dev->if_mtu = min(dev->if_mtu, priv->max_mtu);
1276 mlx4_en_calc_rx_buf(dev);
1277 en_dbg(DRV, priv, "Rx buf size:%d\n", priv->rx_mb_size);
1279 /* Configure rx cq's and rings */
1280 err = mlx4_en_activate_rx_rings(priv);
1282 en_err(priv, "Failed to activate RX rings\n");
1285 for (i = 0; i < priv->rx_ring_num; i++) {
1286 cq = priv->rx_cq[i];
1288 mlx4_en_cq_init_lock(cq);
1289 err = mlx4_en_activate_cq(priv, cq, i);
1291 en_err(priv, "Failed activating Rx CQ\n");
1294 for (j = 0; j < cq->size; j++)
1295 cq->buf[j].owner_sr_opcode = MLX4_CQE_OWNER_MASK;
1296 err = mlx4_en_set_cq_moder(priv, cq);
1298 en_err(priv, "Failed setting cq moderation parameters");
1299 mlx4_en_deactivate_cq(priv, cq);
1302 mlx4_en_arm_cq(priv, cq);
1303 priv->rx_ring[i]->cqn = cq->mcq.cqn;
1308 en_dbg(DRV, priv, "Getting qp number for port %d\n", priv->port);
1309 err = mlx4_en_get_qp(priv);
1311 en_err(priv, "Failed getting eth qp\n");
1314 mdev->mac_removed[priv->port] = 0;
1316 priv->counter_index =
1317 mlx4_get_default_counter_index(mdev->dev, priv->port);
1319 err = mlx4_en_config_rss_steer(priv);
1321 en_err(priv, "Failed configuring rss steering\n");
1325 err = mlx4_en_create_drop_qp(priv);
1329 /* Configure tx cq's and rings */
1330 for (i = 0; i < priv->tx_ring_num; i++) {
1332 cq = priv->tx_cq[i];
1333 err = mlx4_en_activate_cq(priv, cq, i);
1335 en_err(priv, "Failed activating Tx CQ\n");
1338 err = mlx4_en_set_cq_moder(priv, cq);
1340 en_err(priv, "Failed setting cq moderation parameters");
1341 mlx4_en_deactivate_cq(priv, cq);
1344 en_dbg(DRV, priv, "Resetting index of collapsed CQ:%d to -1\n", i);
1345 cq->buf->wqe_index = cpu_to_be16(0xffff);
1347 /* Configure ring */
1348 tx_ring = priv->tx_ring[i];
1350 err = mlx4_en_activate_tx_ring(priv, tx_ring, cq->mcq.cqn,
1351 i / priv->num_tx_rings_p_up);
1353 en_err(priv, "Failed activating Tx ring %d\n", i);
1354 mlx4_en_deactivate_cq(priv, cq);
1358 /* Arm CQ for TX completions */
1359 mlx4_en_arm_cq(priv, cq);
1361 /* Set initial ownership of all Tx TXBBs to SW (1) */
1362 for (j = 0; j < tx_ring->buf_size; j += STAMP_STRIDE)
1363 *((u32 *) (tx_ring->buf + j)) = INIT_OWNER_BIT;
1367 /* Configure port */
1368 err = mlx4_SET_PORT_general(mdev->dev, priv->port,
1370 priv->prof->tx_pause,
1372 priv->prof->rx_pause,
1373 priv->prof->rx_ppp);
1375 en_err(priv, "Failed setting port general configurations for port %d, with error %d\n",
1379 /* Set default qp number */
1380 err = mlx4_SET_PORT_qpn_calc(mdev->dev, priv->port, priv->base_qpn, 0);
1382 en_err(priv, "Failed setting default qp numbers\n");
1387 en_dbg(HW, priv, "Initializing port\n");
1388 err = mlx4_INIT_PORT(mdev->dev, priv->port);
1390 en_err(priv, "Failed Initializing port\n");
1394 /* Attach rx QP to bradcast address */
1395 memset(&mc_list[10], 0xff, ETH_ALEN);
1396 mc_list[5] = priv->port; /* needed for B0 steering support */
1397 if (mlx4_multicast_attach(mdev->dev, &priv->rss_map.indir_qp, mc_list,
1398 priv->port, 0, MLX4_PROT_ETH,
1399 &priv->broadcast_id))
1400 mlx4_warn(mdev, "Failed Attaching Broadcast\n");
1402 /* Must redo promiscuous mode setup. */
1403 priv->flags &= ~(MLX4_EN_FLAG_PROMISC | MLX4_EN_FLAG_MC_PROMISC);
1405 /* Schedule multicast task to populate multicast list */
1406 queue_work(mdev->workqueue, &priv->rx_mode_task);
1408 priv->port_up = true;
1410 /* Enable the queues. */
1411 dev->if_drv_flags &= ~IFF_DRV_OACTIVE;
1412 dev->if_drv_flags |= IFF_DRV_RUNNING;
1413 #ifdef CONFIG_DEBUG_FS
1414 mlx4_en_create_debug_files(priv);
1416 callout_reset(&priv->watchdog_timer, MLX4_EN_WATCHDOG_TIMEOUT,
1417 mlx4_en_watchdog_timeout, priv);
1423 while (tx_index--) {
1424 mlx4_en_deactivate_tx_ring(priv, priv->tx_ring[tx_index]);
1425 mlx4_en_deactivate_cq(priv, priv->tx_cq[tx_index]);
1427 mlx4_en_destroy_drop_qp(priv);
1429 mlx4_en_release_rss_steer(priv);
1431 mlx4_en_put_qp(priv);
1434 mlx4_en_deactivate_cq(priv, priv->rx_cq[rx_index]);
1435 for (i = 0; i < priv->rx_ring_num; i++)
1436 mlx4_en_deactivate_rx_ring(priv, priv->rx_ring[i]);
1438 return err; /* need to close devices */
1442 void mlx4_en_stop_port(struct net_device *dev)
1444 struct mlx4_en_priv *priv = netdev_priv(dev);
1445 struct mlx4_en_dev *mdev = priv->mdev;
1446 struct mlx4_en_addr_list *addr_list, *tmp;
1448 u8 mc_list[16] = {0};
1450 if (!priv->port_up) {
1451 en_dbg(DRV, priv, "stop port called while port already down\n");
1455 #ifdef CONFIG_DEBUG_FS
1456 mlx4_en_delete_debug_files(priv);
1460 mlx4_CLOSE_PORT(mdev->dev, priv->port);
1462 /* Set port as not active */
1463 priv->port_up = false;
1464 priv->counter_index = MLX4_SINK_COUNTER_INDEX(mdev->dev);
1466 /* Promsicuous mode */
1467 if (mdev->dev->caps.steering_mode ==
1468 MLX4_STEERING_MODE_DEVICE_MANAGED) {
1469 priv->flags &= ~(MLX4_EN_FLAG_PROMISC |
1470 MLX4_EN_FLAG_MC_PROMISC);
1471 mlx4_flow_steer_promisc_remove(mdev->dev,
1473 MLX4_FS_ALL_DEFAULT);
1474 mlx4_flow_steer_promisc_remove(mdev->dev,
1476 MLX4_FS_MC_DEFAULT);
1477 } else if (priv->flags & MLX4_EN_FLAG_PROMISC) {
1478 priv->flags &= ~MLX4_EN_FLAG_PROMISC;
1480 /* Disable promiscouos mode */
1481 mlx4_unicast_promisc_remove(mdev->dev, priv->base_qpn,
1484 /* Disable Multicast promisc */
1485 if (priv->flags & MLX4_EN_FLAG_MC_PROMISC) {
1486 mlx4_multicast_promisc_remove(mdev->dev, priv->base_qpn,
1488 priv->flags &= ~MLX4_EN_FLAG_MC_PROMISC;
1492 /* Detach All unicasts */
1493 list_for_each_entry(addr_list, &priv->curr_uc_list, list) {
1494 mlx4_en_uc_steer_release(priv, addr_list->addr,
1495 priv->rss_map.indir_qp.qpn,
1498 mlx4_en_clear_uclist(dev);
1499 list_for_each_entry_safe(addr_list, tmp, &priv->curr_uc_list, list) {
1500 list_del(&addr_list->list);
1504 /* Detach All multicasts */
1505 memset(&mc_list[10], 0xff, ETH_ALEN);
1506 mc_list[5] = priv->port; /* needed for B0 steering support */
1507 mlx4_multicast_detach(mdev->dev, &priv->rss_map.indir_qp, mc_list,
1508 MLX4_PROT_ETH, priv->broadcast_id);
1509 list_for_each_entry(addr_list, &priv->curr_mc_list, list) {
1510 memcpy(&mc_list[10], addr_list->addr, ETH_ALEN);
1511 mc_list[5] = priv->port;
1512 mlx4_multicast_detach(mdev->dev, &priv->rss_map.indir_qp,
1513 mc_list, MLX4_PROT_ETH, addr_list->reg_id);
1515 mlx4_en_clear_mclist(dev);
1516 list_for_each_entry_safe(addr_list, tmp, &priv->curr_mc_list, list) {
1517 list_del(&addr_list->list);
1521 /* Flush multicast filter */
1522 mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0, 1, MLX4_MCAST_CONFIG);
1523 mlx4_en_destroy_drop_qp(priv);
1526 for (i = 0; i < priv->tx_ring_num; i++) {
1527 mlx4_en_deactivate_tx_ring(priv, priv->tx_ring[i]);
1528 mlx4_en_deactivate_cq(priv, priv->tx_cq[i]);
1532 for (i = 0; i < priv->tx_ring_num; i++)
1533 mlx4_en_free_tx_buf(dev, priv->tx_ring[i]);
1536 mlx4_en_release_rss_steer(priv);
1538 /* Unregister Mac address for the port */
1539 mlx4_en_put_qp(priv);
1540 mdev->mac_removed[priv->port] = 1;
1543 for (i = 0; i < priv->rx_ring_num; i++) {
1544 struct mlx4_en_cq *cq = priv->rx_cq[i];
1545 mlx4_en_deactivate_rx_ring(priv, priv->rx_ring[i]);
1546 mlx4_en_deactivate_cq(priv, cq);
1549 callout_stop(&priv->watchdog_timer);
1551 dev->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1554 static void mlx4_en_restart(struct work_struct *work)
1556 struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv,
1558 struct mlx4_en_dev *mdev = priv->mdev;
1559 struct net_device *dev = priv->dev;
1560 struct mlx4_en_tx_ring *ring;
1564 if (priv->blocked == 0 || priv->port_up == 0)
1566 for (i = 0; i < priv->tx_ring_num; i++) {
1567 ring = priv->tx_ring[i];
1568 if (ring->blocked &&
1569 ring->watchdog_time + MLX4_EN_WATCHDOG_TIMEOUT < ticks)
1575 priv->port_stats.tx_timeout++;
1576 en_dbg(DRV, priv, "Watchdog task called for port %d\n", priv->port);
1578 mutex_lock(&mdev->state_lock);
1579 if (priv->port_up) {
1580 mlx4_en_stop_port(dev);
1581 //for (i = 0; i < priv->tx_ring_num; i++)
1582 // netdev_tx_reset_queue(priv->tx_ring[i]->tx_queue);
1583 if (mlx4_en_start_port(dev))
1584 en_err(priv, "Failed restarting port %d\n", priv->port);
1586 mutex_unlock(&mdev->state_lock);
1589 static void mlx4_en_clear_stats(struct net_device *dev)
1591 struct mlx4_en_priv *priv = netdev_priv(dev);
1592 struct mlx4_en_dev *mdev = priv->mdev;
1595 if (!mlx4_is_slave(mdev->dev))
1596 if (mlx4_en_DUMP_ETH_STATS(mdev, priv->port, 1))
1597 en_dbg(HW, priv, "Failed dumping statistics\n");
1599 memset(&priv->pstats, 0, sizeof(priv->pstats));
1600 memset(&priv->pkstats, 0, sizeof(priv->pkstats));
1601 memset(&priv->port_stats, 0, sizeof(priv->port_stats));
1602 memset(&priv->vport_stats, 0, sizeof(priv->vport_stats));
1604 for (i = 0; i < priv->tx_ring_num; i++) {
1605 priv->tx_ring[i]->bytes = 0;
1606 priv->tx_ring[i]->packets = 0;
1607 priv->tx_ring[i]->tx_csum = 0;
1608 priv->tx_ring[i]->oversized_packets = 0;
1610 for (i = 0; i < priv->rx_ring_num; i++) {
1611 priv->rx_ring[i]->bytes = 0;
1612 priv->rx_ring[i]->packets = 0;
1613 priv->rx_ring[i]->csum_ok = 0;
1614 priv->rx_ring[i]->csum_none = 0;
1618 static void mlx4_en_open(void* arg)
1621 struct mlx4_en_priv *priv;
1622 struct mlx4_en_dev *mdev;
1623 struct net_device *dev;
1631 mutex_lock(&mdev->state_lock);
1633 if (!mdev->device_up) {
1634 en_err(priv, "Cannot open - device down/disabled\n");
1638 /* Reset HW statistics and SW counters */
1639 mlx4_en_clear_stats(dev);
1641 err = mlx4_en_start_port(dev);
1643 en_err(priv, "Failed starting port:%d\n", priv->port);
1646 mutex_unlock(&mdev->state_lock);
1650 void mlx4_en_free_resources(struct mlx4_en_priv *priv)
1654 #ifdef CONFIG_RFS_ACCEL
1655 if (priv->dev->rx_cpu_rmap) {
1656 free_irq_cpu_rmap(priv->dev->rx_cpu_rmap);
1657 priv->dev->rx_cpu_rmap = NULL;
1661 for (i = 0; i < priv->tx_ring_num; i++) {
1662 if (priv->tx_ring && priv->tx_ring[i])
1663 mlx4_en_destroy_tx_ring(priv, &priv->tx_ring[i]);
1664 if (priv->tx_cq && priv->tx_cq[i])
1665 mlx4_en_destroy_cq(priv, &priv->tx_cq[i]);
1668 for (i = 0; i < priv->rx_ring_num; i++) {
1669 if (priv->rx_ring[i])
1670 mlx4_en_destroy_rx_ring(priv, &priv->rx_ring[i],
1671 priv->prof->rx_ring_size, priv->stride);
1673 mlx4_en_destroy_cq(priv, &priv->rx_cq[i]);
1676 if (priv->stat_sysctl != NULL)
1677 sysctl_ctx_free(&priv->stat_ctx);
1680 int mlx4_en_alloc_resources(struct mlx4_en_priv *priv)
1682 struct mlx4_en_port_profile *prof = priv->prof;
1686 /* Create rx Rings */
1687 for (i = 0; i < priv->rx_ring_num; i++) {
1688 if (mlx4_en_create_cq(priv, &priv->rx_cq[i],
1689 prof->rx_ring_size, i, RX, node))
1692 if (mlx4_en_create_rx_ring(priv, &priv->rx_ring[i],
1693 prof->rx_ring_size, node))
1697 /* Create tx Rings */
1698 for (i = 0; i < priv->tx_ring_num; i++) {
1699 if (mlx4_en_create_cq(priv, &priv->tx_cq[i],
1700 prof->tx_ring_size, i, TX, node))
1703 if (mlx4_en_create_tx_ring(priv, &priv->tx_ring[i],
1704 prof->tx_ring_size, TXBB_SIZE, node, i))
1708 #ifdef CONFIG_RFS_ACCEL
1709 priv->dev->rx_cpu_rmap = alloc_irq_cpu_rmap(priv->rx_ring_num);
1710 if (!priv->dev->rx_cpu_rmap)
1713 /* Re-create stat sysctls in case the number of rings changed. */
1714 mlx4_en_sysctl_stat(priv);
1718 en_err(priv, "Failed to allocate NIC resources\n");
1719 for (i = 0; i < priv->rx_ring_num; i++) {
1720 if (priv->rx_ring[i])
1721 mlx4_en_destroy_rx_ring(priv, &priv->rx_ring[i],
1725 mlx4_en_destroy_cq(priv, &priv->rx_cq[i]);
1727 for (i = 0; i < priv->tx_ring_num; i++) {
1728 if (priv->tx_ring[i])
1729 mlx4_en_destroy_tx_ring(priv, &priv->tx_ring[i]);
1731 mlx4_en_destroy_cq(priv, &priv->tx_cq[i]);
1733 priv->port_up = false;
1737 struct en_port_attribute {
1738 struct attribute attr;
1739 ssize_t (*show)(struct en_port *, struct en_port_attribute *, char *buf);
1740 ssize_t (*store)(struct en_port *, struct en_port_attribute *, char *buf, size_t count);
1743 #define PORT_ATTR_RO(_name) \
1744 struct en_port_attribute en_port_attr_##_name = __ATTR_RO(_name)
1746 #define EN_PORT_ATTR(_name, _mode, _show, _store) \
1747 struct en_port_attribute en_port_attr_##_name = __ATTR(_name, _mode, _show, _store)
1749 void mlx4_en_destroy_netdev(struct net_device *dev)
1751 struct mlx4_en_priv *priv = netdev_priv(dev);
1752 struct mlx4_en_dev *mdev = priv->mdev;
1754 en_dbg(DRV, priv, "Destroying netdev on port:%d\n", priv->port);
1756 /* don't allow more IOCTLs */
1759 /* XXX wait a bit to allow IOCTL handlers to complete */
1762 if (priv->vlan_attach != NULL)
1763 EVENTHANDLER_DEREGISTER(vlan_config, priv->vlan_attach);
1764 if (priv->vlan_detach != NULL)
1765 EVENTHANDLER_DEREGISTER(vlan_unconfig, priv->vlan_detach);
1767 /* Unregister device - this will close the port if it was up */
1768 if (priv->registered) {
1769 mutex_lock(&mdev->state_lock);
1770 ether_ifdetach(dev);
1771 mutex_unlock(&mdev->state_lock);
1774 mutex_lock(&mdev->state_lock);
1775 mlx4_en_stop_port(dev);
1776 mutex_unlock(&mdev->state_lock);
1778 if (priv->allocated)
1779 mlx4_free_hwq_res(mdev->dev, &priv->res, MLX4_EN_PAGE_SIZE);
1781 cancel_delayed_work(&priv->stats_task);
1782 cancel_delayed_work(&priv->service_task);
1783 /* flush any pending task for this netdev */
1784 flush_workqueue(mdev->workqueue);
1785 callout_drain(&priv->watchdog_timer);
1787 /* Detach the netdev so tasks would not attempt to access it */
1788 mutex_lock(&mdev->state_lock);
1789 mdev->pndev[priv->port] = NULL;
1790 mutex_unlock(&mdev->state_lock);
1793 mlx4_en_free_resources(priv);
1795 /* freeing the sysctl conf cannot be called from within mlx4_en_free_resources */
1796 if (priv->conf_sysctl != NULL)
1797 sysctl_ctx_free(&priv->conf_ctx);
1799 kfree(priv->tx_ring);
1807 static int mlx4_en_change_mtu(struct net_device *dev, int new_mtu)
1809 struct mlx4_en_priv *priv = netdev_priv(dev);
1810 struct mlx4_en_dev *mdev = priv->mdev;
1813 en_dbg(DRV, priv, "Change MTU called - current:%u new:%u\n",
1814 (unsigned)dev->if_mtu, (unsigned)new_mtu);
1816 if ((new_mtu < MLX4_EN_MIN_MTU) || (new_mtu > priv->max_mtu)) {
1817 en_err(priv, "Bad MTU size:%d, max %u.\n", new_mtu,
1821 mutex_lock(&mdev->state_lock);
1822 dev->if_mtu = new_mtu;
1823 if (dev->if_drv_flags & IFF_DRV_RUNNING) {
1824 if (!mdev->device_up) {
1825 /* NIC is probably restarting - let watchdog task reset
1827 en_dbg(DRV, priv, "Change MTU called with card down!?\n");
1829 mlx4_en_stop_port(dev);
1830 err = mlx4_en_start_port(dev);
1832 en_err(priv, "Failed restarting port:%d\n",
1834 queue_work(mdev->workqueue, &priv->watchdog_task);
1838 mutex_unlock(&mdev->state_lock);
1842 static int mlx4_en_calc_media(struct mlx4_en_priv *priv)
1848 if (priv->last_link_state == MLX4_DEV_EVENT_PORT_DOWN)
1851 trans_type = priv->port_state.transceiver;
1852 /* XXX I don't know all of the transceiver values. */
1853 switch (priv->port_state.link_speed) {
1855 active |= IFM_100_T;
1858 active |= IFM_1000_T;
1861 if (trans_type > 0 && trans_type <= 0xC)
1862 active |= IFM_10G_SR;
1863 else if (trans_type == 0x80 || trans_type == 0)
1864 active |= IFM_10G_CX4;
1867 active |= IFM_40G_CR4;
1870 if (priv->prof->tx_pause)
1871 active |= IFM_ETH_TXPAUSE;
1872 if (priv->prof->rx_pause)
1873 active |= IFM_ETH_RXPAUSE;
1878 static void mlx4_en_media_status(struct ifnet *dev, struct ifmediareq *ifmr)
1880 struct mlx4_en_priv *priv;
1882 priv = dev->if_softc;
1883 ifmr->ifm_status = IFM_AVALID;
1884 if (priv->last_link_state != MLX4_DEV_EVENT_PORT_DOWN)
1885 ifmr->ifm_status |= IFM_ACTIVE;
1886 ifmr->ifm_active = mlx4_en_calc_media(priv);
1891 static int mlx4_en_media_change(struct ifnet *dev)
1893 struct mlx4_en_priv *priv;
1894 struct ifmedia *ifm;
1899 priv = dev->if_softc;
1901 rxpause = txpause = 0;
1904 if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER)
1906 switch (IFM_SUBTYPE(ifm->ifm_media)) {
1913 if ((IFM_SUBTYPE(ifm->ifm_media)
1914 == IFM_SUBTYPE(mlx4_en_calc_media(priv)))
1915 && (ifm->ifm_media & IFM_FDX))
1919 printf("%s: Only auto media type\n", if_name(dev));
1922 /* Allow user to set/clear pause */
1923 if (IFM_OPTIONS(ifm->ifm_media) & IFM_ETH_RXPAUSE)
1925 if (IFM_OPTIONS(ifm->ifm_media) & IFM_ETH_TXPAUSE)
1927 if (priv->prof->tx_pause != txpause || priv->prof->rx_pause != rxpause) {
1928 priv->prof->tx_pause = txpause;
1929 priv->prof->rx_pause = rxpause;
1930 error = -mlx4_SET_PORT_general(priv->mdev->dev, priv->port,
1931 priv->rx_mb_size + ETHER_CRC_LEN, priv->prof->tx_pause,
1932 priv->prof->tx_ppp, priv->prof->rx_pause,
1933 priv->prof->rx_ppp);
1938 static int mlx4_en_ioctl(struct ifnet *dev, u_long command, caddr_t data)
1940 struct mlx4_en_priv *priv;
1941 struct mlx4_en_dev *mdev;
1945 struct ifrsskey *ifrk;
1947 struct ifrsshash *ifrh;
1952 priv = dev->if_softc;
1954 /* check if detaching */
1955 if (priv == NULL || priv->gone != 0)
1959 ifr = (struct ifreq *) data;
1963 error = -mlx4_en_change_mtu(dev, ifr->ifr_mtu);
1966 if (dev->if_flags & IFF_UP) {
1967 if ((dev->if_drv_flags & IFF_DRV_RUNNING) == 0) {
1968 mutex_lock(&mdev->state_lock);
1969 mlx4_en_start_port(dev);
1970 mutex_unlock(&mdev->state_lock);
1972 mlx4_en_set_rx_mode(dev);
1975 mutex_lock(&mdev->state_lock);
1976 if (dev->if_drv_flags & IFF_DRV_RUNNING) {
1977 mlx4_en_stop_port(dev);
1978 if_link_state_change(dev, LINK_STATE_DOWN);
1980 mutex_unlock(&mdev->state_lock);
1985 mlx4_en_set_rx_mode(dev);
1989 error = ifmedia_ioctl(dev, ifr, &priv->media, command);
1992 mutex_lock(&mdev->state_lock);
1993 mask = ifr->ifr_reqcap ^ dev->if_capenable;
1994 if (mask & IFCAP_TXCSUM) {
1995 dev->if_capenable ^= IFCAP_TXCSUM;
1996 dev->if_hwassist ^= (CSUM_TCP | CSUM_UDP | CSUM_IP);
1998 if (IFCAP_TSO4 & dev->if_capenable &&
1999 !(IFCAP_TXCSUM & dev->if_capenable)) {
2000 dev->if_capenable &= ~IFCAP_TSO4;
2001 dev->if_hwassist &= ~CSUM_IP_TSO;
2003 "tso4 disabled due to -txcsum.\n");
2006 if (mask & IFCAP_TXCSUM_IPV6) {
2007 dev->if_capenable ^= IFCAP_TXCSUM_IPV6;
2008 dev->if_hwassist ^= (CSUM_UDP_IPV6 | CSUM_TCP_IPV6);
2010 if (IFCAP_TSO6 & dev->if_capenable &&
2011 !(IFCAP_TXCSUM_IPV6 & dev->if_capenable)) {
2012 dev->if_capenable &= ~IFCAP_TSO6;
2013 dev->if_hwassist &= ~CSUM_IP6_TSO;
2015 "tso6 disabled due to -txcsum6.\n");
2018 if (mask & IFCAP_RXCSUM)
2019 dev->if_capenable ^= IFCAP_RXCSUM;
2020 if (mask & IFCAP_RXCSUM_IPV6)
2021 dev->if_capenable ^= IFCAP_RXCSUM_IPV6;
2023 if (mask & IFCAP_TSO4) {
2024 if (!(IFCAP_TSO4 & dev->if_capenable) &&
2025 !(IFCAP_TXCSUM & dev->if_capenable)) {
2026 if_printf(dev, "enable txcsum first.\n");
2030 dev->if_capenable ^= IFCAP_TSO4;
2031 dev->if_hwassist ^= CSUM_IP_TSO;
2033 if (mask & IFCAP_TSO6) {
2034 if (!(IFCAP_TSO6 & dev->if_capenable) &&
2035 !(IFCAP_TXCSUM_IPV6 & dev->if_capenable)) {
2036 if_printf(dev, "enable txcsum6 first.\n");
2040 dev->if_capenable ^= IFCAP_TSO6;
2041 dev->if_hwassist ^= CSUM_IP6_TSO;
2043 if (mask & IFCAP_LRO)
2044 dev->if_capenable ^= IFCAP_LRO;
2045 if (mask & IFCAP_VLAN_HWTAGGING)
2046 dev->if_capenable ^= IFCAP_VLAN_HWTAGGING;
2047 if (mask & IFCAP_VLAN_HWFILTER)
2048 dev->if_capenable ^= IFCAP_VLAN_HWFILTER;
2049 if (mask & IFCAP_WOL_MAGIC)
2050 dev->if_capenable ^= IFCAP_WOL_MAGIC;
2051 if (dev->if_drv_flags & IFF_DRV_RUNNING)
2052 mlx4_en_start_port(dev);
2054 mutex_unlock(&mdev->state_lock);
2055 VLAN_CAPABILITIES(dev);
2057 #if __FreeBSD_version >= 1100036
2059 struct ifi2creq i2c;
2061 error = copyin(ifr->ifr_data, &i2c, sizeof(i2c));
2064 if (i2c.len > sizeof(i2c.data)) {
2069 * Note that we ignore i2c.addr here. The driver hardcodes
2070 * the address to 0x50, while standard expects it to be 0xA0.
2072 error = mlx4_get_module_info(mdev->dev, priv->port,
2073 i2c.offset, i2c.len, i2c.data);
2078 error = copyout(&i2c, ifr->ifr_data, sizeof(i2c));
2083 ifrk = (struct ifrsskey *)data;
2084 ifrk->ifrk_func = RSS_FUNC_TOEPLITZ;
2085 mutex_lock(&mdev->state_lock);
2086 key = mlx4_en_get_rss_key(priv, &ifrk->ifrk_keylen);
2087 if (ifrk->ifrk_keylen > RSS_KEYLEN)
2090 memcpy(ifrk->ifrk_key, key, ifrk->ifrk_keylen);
2091 mutex_unlock(&mdev->state_lock);
2094 case SIOCGIFRSSHASH:
2095 mutex_lock(&mdev->state_lock);
2096 rss_mask = mlx4_en_get_rss_mask(priv);
2097 mutex_unlock(&mdev->state_lock);
2098 ifrh = (struct ifrsshash *)data;
2099 ifrh->ifrh_func = RSS_FUNC_TOEPLITZ;
2100 ifrh->ifrh_types = 0;
2101 if (rss_mask & MLX4_RSS_IPV4)
2102 ifrh->ifrh_types |= RSS_TYPE_IPV4;
2103 if (rss_mask & MLX4_RSS_TCP_IPV4)
2104 ifrh->ifrh_types |= RSS_TYPE_TCP_IPV4;
2105 if (rss_mask & MLX4_RSS_IPV6)
2106 ifrh->ifrh_types |= RSS_TYPE_IPV6;
2107 if (rss_mask & MLX4_RSS_TCP_IPV6)
2108 ifrh->ifrh_types |= RSS_TYPE_TCP_IPV6;
2109 if (rss_mask & MLX4_RSS_UDP_IPV4)
2110 ifrh->ifrh_types |= RSS_TYPE_UDP_IPV4;
2111 if (rss_mask & MLX4_RSS_UDP_IPV6)
2112 ifrh->ifrh_types |= RSS_TYPE_UDP_IPV6;
2116 error = ether_ioctl(dev, command, data);
2124 int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
2125 struct mlx4_en_port_profile *prof)
2127 struct net_device *dev;
2128 struct mlx4_en_priv *priv;
2129 uint8_t dev_addr[ETHER_ADDR_LEN];
2133 priv = kzalloc(sizeof(*priv), GFP_KERNEL);
2134 dev = priv->dev = if_alloc(IFT_ETHER);
2136 en_err(priv, "Net device allocation failed\n");
2140 dev->if_softc = priv;
2141 if_initname(dev, "mlxen", (device_get_unit(
2142 mdev->pdev->dev.bsddev) * MLX4_MAX_PORTS) + port - 1);
2143 dev->if_mtu = ETHERMTU;
2144 dev->if_init = mlx4_en_open;
2145 dev->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
2146 dev->if_ioctl = mlx4_en_ioctl;
2147 dev->if_transmit = mlx4_en_transmit;
2148 dev->if_qflush = mlx4_en_qflush;
2149 dev->if_snd.ifq_maxlen = prof->tx_ring_size;
2152 * Initialize driver private data
2154 priv->counter_index = 0xff;
2155 spin_lock_init(&priv->stats_lock);
2156 INIT_WORK(&priv->rx_mode_task, mlx4_en_do_set_rx_mode);
2157 INIT_WORK(&priv->watchdog_task, mlx4_en_restart);
2158 INIT_WORK(&priv->linkstate_task, mlx4_en_linkstate);
2159 INIT_DELAYED_WORK(&priv->stats_task, mlx4_en_do_get_stats);
2160 INIT_DELAYED_WORK(&priv->service_task, mlx4_en_service_task);
2161 callout_init(&priv->watchdog_timer, 1);
2162 #ifdef CONFIG_RFS_ACCEL
2163 INIT_LIST_HEAD(&priv->filters);
2164 spin_lock_init(&priv->filters_lock);
2167 priv->msg_enable = MLX4_EN_MSG_LEVEL;
2170 priv->ddev = &mdev->pdev->dev;
2173 priv->port_up = false;
2174 priv->flags = prof->flags;
2176 priv->num_tx_rings_p_up = mdev->profile.num_tx_rings_p_up;
2177 priv->tx_ring_num = prof->tx_ring_num;
2178 priv->tx_ring = kcalloc(MAX_TX_RINGS,
2179 sizeof(struct mlx4_en_tx_ring *), GFP_KERNEL);
2180 if (!priv->tx_ring) {
2184 priv->tx_cq = kcalloc(sizeof(struct mlx4_en_cq *), MAX_TX_RINGS,
2191 priv->rx_ring_num = prof->rx_ring_num;
2192 priv->cqe_factor = (mdev->dev->caps.cqe_size == 64) ? 1 : 0;
2193 priv->mac_index = -1;
2194 priv->last_ifq_jiffies = 0;
2195 priv->if_counters_rx_errors = 0;
2196 priv->if_counters_rx_no_buffer = 0;
2197 #ifdef CONFIG_MLX4_EN_DCB
2198 if (!mlx4_is_slave(priv->mdev->dev)) {
2199 priv->dcbx_cap = DCB_CAP_DCBX_HOST;
2200 priv->flags |= MLX4_EN_FLAG_DCB_ENABLED;
2201 if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ETS_CFG) {
2202 dev->dcbnl_ops = &mlx4_en_dcbnl_ops;
2204 en_info(priv, "QoS disabled - no HW support\n");
2205 dev->dcbnl_ops = &mlx4_en_dcbnl_pfc_ops;
2210 /* Query for default mac and max mtu */
2211 priv->max_mtu = mdev->dev->caps.eth_mtu_cap[priv->port];
2212 priv->mac = mdev->dev->caps.def_mac[priv->port];
2213 if (ILLEGAL_MAC(priv->mac)) {
2214 #if BITS_PER_LONG == 64
2215 en_err(priv, "Port: %d, invalid mac burned: 0x%lx, quiting\n",
2216 priv->port, priv->mac);
2217 #elif BITS_PER_LONG == 32
2218 en_err(priv, "Port: %d, invalid mac burned: 0x%llx, quiting\n",
2219 priv->port, priv->mac);
2225 priv->stride = roundup_pow_of_two(sizeof(struct mlx4_en_rx_desc) +
2228 mlx4_en_sysctl_conf(priv);
2230 err = mlx4_en_alloc_resources(priv);
2234 /* Allocate page for receive rings */
2235 err = mlx4_alloc_hwq_res(mdev->dev, &priv->res,
2236 MLX4_EN_PAGE_SIZE, MLX4_EN_PAGE_SIZE);
2238 en_err(priv, "Failed to allocate page for rx qps\n");
2241 priv->allocated = 1;
2244 * Set driver features
2246 dev->if_capabilities |= IFCAP_HWCSUM | IFCAP_HWCSUM_IPV6;
2247 dev->if_capabilities |= IFCAP_VLAN_MTU | IFCAP_VLAN_HWTAGGING;
2248 dev->if_capabilities |= IFCAP_VLAN_HWCSUM | IFCAP_VLAN_HWFILTER;
2249 dev->if_capabilities |= IFCAP_LINKSTATE | IFCAP_JUMBO_MTU;
2250 dev->if_capabilities |= IFCAP_LRO;
2251 dev->if_capabilities |= IFCAP_HWSTATS;
2253 if (mdev->LSO_support)
2254 dev->if_capabilities |= IFCAP_TSO4 | IFCAP_TSO6 | IFCAP_VLAN_HWTSO;
2256 #if __FreeBSD_version >= 1100000
2257 /* set TSO limits so that we don't have to drop TX packets */
2258 dev->if_hw_tsomax = MLX4_EN_TX_MAX_PAYLOAD_SIZE - (ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN) /* hdr */;
2259 dev->if_hw_tsomaxsegcount = MLX4_EN_TX_MAX_MBUF_FRAGS - 1 /* hdr */;
2260 dev->if_hw_tsomaxsegsize = MLX4_EN_TX_MAX_MBUF_SIZE;
2263 dev->if_capenable = dev->if_capabilities;
2265 dev->if_hwassist = 0;
2266 if (dev->if_capenable & (IFCAP_TSO4 | IFCAP_TSO6))
2267 dev->if_hwassist |= CSUM_TSO;
2268 if (dev->if_capenable & IFCAP_TXCSUM)
2269 dev->if_hwassist |= (CSUM_TCP | CSUM_UDP | CSUM_IP);
2270 if (dev->if_capenable & IFCAP_TXCSUM_IPV6)
2271 dev->if_hwassist |= (CSUM_UDP_IPV6 | CSUM_TCP_IPV6);
2274 /* Register for VLAN events */
2275 priv->vlan_attach = EVENTHANDLER_REGISTER(vlan_config,
2276 mlx4_en_vlan_rx_add_vid, priv, EVENTHANDLER_PRI_FIRST);
2277 priv->vlan_detach = EVENTHANDLER_REGISTER(vlan_unconfig,
2278 mlx4_en_vlan_rx_kill_vid, priv, EVENTHANDLER_PRI_FIRST);
2280 mdev->pndev[priv->port] = dev;
2282 priv->last_link_state = MLX4_DEV_EVENT_PORT_DOWN;
2283 mlx4_en_set_default_moderation(priv);
2285 /* Set default MAC */
2286 for (i = 0; i < ETHER_ADDR_LEN; i++)
2287 dev_addr[ETHER_ADDR_LEN - 1 - i] = (u8) (priv->mac >> (8 * i));
2290 ether_ifattach(dev, dev_addr);
2291 if_link_state_change(dev, LINK_STATE_DOWN);
2292 ifmedia_init(&priv->media, IFM_IMASK | IFM_ETH_FMASK,
2293 mlx4_en_media_change, mlx4_en_media_status);
2294 ifmedia_add(&priv->media, IFM_ETHER | IFM_FDX | IFM_1000_T, 0, NULL);
2295 ifmedia_add(&priv->media, IFM_ETHER | IFM_FDX | IFM_10G_SR, 0, NULL);
2296 ifmedia_add(&priv->media, IFM_ETHER | IFM_FDX | IFM_10G_CX4, 0, NULL);
2297 ifmedia_add(&priv->media, IFM_ETHER | IFM_FDX | IFM_40G_CR4, 0, NULL);
2298 ifmedia_add(&priv->media, IFM_ETHER | IFM_AUTO, 0, NULL);
2299 ifmedia_set(&priv->media, IFM_ETHER | IFM_AUTO);
2301 en_warn(priv, "Using %d TX rings\n", prof->tx_ring_num);
2302 en_warn(priv, "Using %d RX rings\n", prof->rx_ring_num);
2304 priv->registered = 1;
2306 en_warn(priv, "Using %d TX rings\n", prof->tx_ring_num);
2307 en_warn(priv, "Using %d RX rings\n", prof->rx_ring_num);
2310 priv->rx_mb_size = dev->if_mtu + ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN;
2311 err = mlx4_SET_PORT_general(mdev->dev, priv->port,
2313 prof->tx_pause, prof->tx_ppp,
2314 prof->rx_pause, prof->rx_ppp);
2316 en_err(priv, "Failed setting port general configurations "
2317 "for port %d, with error %d\n", priv->port, err);
2322 en_warn(priv, "Initializing port\n");
2323 err = mlx4_INIT_PORT(mdev->dev, priv->port);
2325 en_err(priv, "Failed Initializing port\n");
2329 queue_delayed_work(mdev->workqueue, &priv->stats_task, STATS_DELAY);
2331 if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS)
2332 queue_delayed_work(mdev->workqueue, &priv->service_task, SERVICE_TASK_DELAY);
2337 mlx4_en_destroy_netdev(dev);
2341 static int mlx4_en_set_ring_size(struct net_device *dev,
2342 int rx_size, int tx_size)
2344 struct mlx4_en_priv *priv = netdev_priv(dev);
2345 struct mlx4_en_dev *mdev = priv->mdev;
2349 rx_size = roundup_pow_of_two(rx_size);
2350 rx_size = max_t(u32, rx_size, MLX4_EN_MIN_RX_SIZE);
2351 rx_size = min_t(u32, rx_size, MLX4_EN_MAX_RX_SIZE);
2352 tx_size = roundup_pow_of_two(tx_size);
2353 tx_size = max_t(u32, tx_size, MLX4_EN_MIN_TX_SIZE);
2354 tx_size = min_t(u32, tx_size, MLX4_EN_MAX_TX_SIZE);
2356 if (rx_size == (priv->port_up ?
2357 priv->rx_ring[0]->actual_size : priv->rx_ring[0]->size) &&
2358 tx_size == priv->tx_ring[0]->size)
2360 mutex_lock(&mdev->state_lock);
2361 if (priv->port_up) {
2363 mlx4_en_stop_port(dev);
2365 mlx4_en_free_resources(priv);
2366 priv->prof->tx_ring_size = tx_size;
2367 priv->prof->rx_ring_size = rx_size;
2368 err = mlx4_en_alloc_resources(priv);
2370 en_err(priv, "Failed reallocating port resources\n");
2374 err = mlx4_en_start_port(dev);
2376 en_err(priv, "Failed starting port\n");
2379 mutex_unlock(&mdev->state_lock);
2382 static int mlx4_en_set_rx_ring_size(SYSCTL_HANDLER_ARGS)
2384 struct mlx4_en_priv *priv;
2389 size = priv->prof->rx_ring_size;
2390 error = sysctl_handle_int(oidp, &size, 0, req);
2391 if (error || !req->newptr)
2393 error = -mlx4_en_set_ring_size(priv->dev, size,
2394 priv->prof->tx_ring_size);
2398 static int mlx4_en_set_tx_ring_size(SYSCTL_HANDLER_ARGS)
2400 struct mlx4_en_priv *priv;
2405 size = priv->prof->tx_ring_size;
2406 error = sysctl_handle_int(oidp, &size, 0, req);
2407 if (error || !req->newptr)
2409 error = -mlx4_en_set_ring_size(priv->dev, priv->prof->rx_ring_size,
2415 static int mlx4_en_get_module_info(struct net_device *dev,
2416 struct ethtool_modinfo *modinfo)
2418 struct mlx4_en_priv *priv = netdev_priv(dev);
2419 struct mlx4_en_dev *mdev = priv->mdev;
2423 /* Read first 2 bytes to get Module & REV ID */
2424 ret = mlx4_get_module_info(mdev->dev, priv->port,
2425 0/*offset*/, 2/*size*/, data);
2428 en_err(priv, "Failed to read eeprom module first two bytes, error: 0x%x\n", -ret);
2432 switch (data[0] /* identifier */) {
2433 case MLX4_MODULE_ID_QSFP:
2434 modinfo->type = ETH_MODULE_SFF_8436;
2435 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
2437 case MLX4_MODULE_ID_QSFP_PLUS:
2438 if (data[1] >= 0x3) { /* revision id */
2439 modinfo->type = ETH_MODULE_SFF_8636;
2440 modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
2442 modinfo->type = ETH_MODULE_SFF_8436;
2443 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
2446 case MLX4_MODULE_ID_QSFP28:
2447 modinfo->type = ETH_MODULE_SFF_8636;
2448 modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
2450 case MLX4_MODULE_ID_SFP:
2451 modinfo->type = ETH_MODULE_SFF_8472;
2452 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
2455 en_err(priv, "mlx4_en_get_module_info : Not recognized cable type\n");
2462 static int mlx4_en_get_module_eeprom(struct net_device *dev,
2463 struct ethtool_eeprom *ee,
2466 struct mlx4_en_priv *priv = netdev_priv(dev);
2467 struct mlx4_en_dev *mdev = priv->mdev;
2468 int offset = ee->offset;
2474 memset(data, 0, ee->len);
2476 while (i < ee->len) {
2478 "mlx4_get_module_info i(%d) offset(%d) len(%d)\n",
2479 i, offset, ee->len - i);
2481 ret = mlx4_get_module_info(mdev->dev, priv->port,
2482 offset, ee->len - i, data + i);
2484 if (!ret) /* Done reading */
2489 "mlx4_get_module_info i(%d) offset(%d) bytes_to_read(%d) - FAILED (0x%x)\n",
2490 i, offset, ee->len - i, ret);
2500 static void mlx4_en_print_eeprom(u8 *data, __u32 len)
2505 const int NUM_OF_BYTES = 16;
2507 printf("\nOffset\t\tValues\n");
2508 printf("------\t\t------\n");
2510 printf("0x%04x\t\t",row);
2511 for(i=0; i < NUM_OF_BYTES; i++){
2512 printf("%02x ", data[j]);
2520 /* Read cable EEPROM module information by first inspecting the first
2521 * two bytes to get the length and then read the rest of the information.
2522 * The information is printed to dmesg. */
2523 static int mlx4_en_read_eeprom(SYSCTL_HANDLER_ARGS)
2529 struct mlx4_en_priv *priv;
2530 struct net_device *dev;
2531 struct ethtool_modinfo modinfo;
2532 struct ethtool_eeprom ee;
2534 error = sysctl_handle_int(oidp, &result, 0, req);
2535 if (error || !req->newptr)
2541 data = kmalloc(PAGE_SIZE, GFP_KERNEL);
2543 error = mlx4_en_get_module_info(dev, &modinfo);
2546 "mlx4_en_get_module_info returned with error - FAILED (0x%x)\n",
2551 ee.len = modinfo.eeprom_len;
2554 error = mlx4_en_get_module_eeprom(dev, &ee, data);
2557 "mlx4_en_get_module_eeprom returned with error - FAILED (0x%x)\n",
2559 /* Continue printing partial information in case of an error */
2562 /* EEPROM information will be printed in dmesg */
2563 mlx4_en_print_eeprom(data, ee.len);
2567 /* Return zero to prevent sysctl failure. */
2571 static int mlx4_en_set_tx_ppp(SYSCTL_HANDLER_ARGS)
2573 struct mlx4_en_priv *priv;
2578 ppp = priv->prof->tx_ppp;
2579 error = sysctl_handle_int(oidp, &ppp, 0, req);
2580 if (error || !req->newptr)
2582 if (ppp > 0xff || ppp < 0)
2584 priv->prof->tx_ppp = ppp;
2585 error = -mlx4_SET_PORT_general(priv->mdev->dev, priv->port,
2586 priv->rx_mb_size + ETHER_CRC_LEN,
2587 priv->prof->tx_pause,
2589 priv->prof->rx_pause,
2590 priv->prof->rx_ppp);
2595 static int mlx4_en_set_rx_ppp(SYSCTL_HANDLER_ARGS)
2597 struct mlx4_en_priv *priv;
2598 struct mlx4_en_dev *mdev;
2606 ppp = priv->prof->rx_ppp;
2607 error = sysctl_handle_int(oidp, &ppp, 0, req);
2608 if (error || !req->newptr)
2610 if (ppp > 0xff || ppp < 0)
2612 /* See if we have to change the number of tx queues. */
2613 if (!ppp != !priv->prof->rx_ppp) {
2614 mutex_lock(&mdev->state_lock);
2615 if (priv->port_up) {
2617 mlx4_en_stop_port(priv->dev);
2619 mlx4_en_free_resources(priv);
2620 priv->prof->rx_ppp = ppp;
2621 error = -mlx4_en_alloc_resources(priv);
2623 en_err(priv, "Failed reallocating port resources\n");
2624 if (error == 0 && port_up) {
2625 error = -mlx4_en_start_port(priv->dev);
2627 en_err(priv, "Failed starting port\n");
2629 mutex_unlock(&mdev->state_lock);
2633 priv->prof->rx_ppp = ppp;
2634 error = -mlx4_SET_PORT_general(priv->mdev->dev, priv->port,
2635 priv->rx_mb_size + ETHER_CRC_LEN,
2636 priv->prof->tx_pause,
2638 priv->prof->rx_pause,
2639 priv->prof->rx_ppp);
2644 static void mlx4_en_sysctl_conf(struct mlx4_en_priv *priv)
2646 struct net_device *dev;
2647 struct sysctl_ctx_list *ctx;
2648 struct sysctl_oid *node;
2649 struct sysctl_oid_list *node_list;
2650 struct sysctl_oid *coal;
2651 struct sysctl_oid_list *coal_list;
2652 const char *pnameunit;
2654 ctx = &priv->conf_ctx;
2655 pnameunit = device_get_nameunit(priv->mdev->pdev->dev.bsddev);
2657 sysctl_ctx_init(ctx);
2658 priv->conf_sysctl = SYSCTL_ADD_NODE(ctx, SYSCTL_STATIC_CHILDREN(_hw),
2659 OID_AUTO, dev->if_xname, CTLFLAG_RD, 0, "mlx4 10gig ethernet");
2660 node = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(priv->conf_sysctl), OID_AUTO,
2661 "conf", CTLFLAG_RD, NULL, "Configuration");
2662 node_list = SYSCTL_CHILDREN(node);
2664 SYSCTL_ADD_UINT(ctx, node_list, OID_AUTO, "msg_enable",
2665 CTLFLAG_RW, &priv->msg_enable, 0,
2666 "Driver message enable bitfield");
2667 SYSCTL_ADD_UINT(ctx, node_list, OID_AUTO, "rx_rings",
2668 CTLFLAG_RD, &priv->rx_ring_num, 0,
2669 "Number of receive rings");
2670 SYSCTL_ADD_UINT(ctx, node_list, OID_AUTO, "tx_rings",
2671 CTLFLAG_RD, &priv->tx_ring_num, 0,
2672 "Number of transmit rings");
2673 SYSCTL_ADD_PROC(ctx, node_list, OID_AUTO, "rx_size",
2674 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, priv, 0,
2675 mlx4_en_set_rx_ring_size, "I", "Receive ring size");
2676 SYSCTL_ADD_PROC(ctx, node_list, OID_AUTO, "tx_size",
2677 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, priv, 0,
2678 mlx4_en_set_tx_ring_size, "I", "Transmit ring size");
2679 SYSCTL_ADD_PROC(ctx, node_list, OID_AUTO, "tx_ppp",
2680 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, priv, 0,
2681 mlx4_en_set_tx_ppp, "I", "TX Per-priority pause");
2682 SYSCTL_ADD_PROC(ctx, node_list, OID_AUTO, "rx_ppp",
2683 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, priv, 0,
2684 mlx4_en_set_rx_ppp, "I", "RX Per-priority pause");
2685 SYSCTL_ADD_UINT(ctx, node_list, OID_AUTO, "port_num",
2686 CTLFLAG_RD, &priv->port, 0,
2688 SYSCTL_ADD_STRING(ctx, node_list, OID_AUTO, "device_name",
2689 CTLFLAG_RD, __DECONST(void *, pnameunit), 0,
2691 /* Add coalescer configuration. */
2692 coal = SYSCTL_ADD_NODE(ctx, node_list, OID_AUTO,
2693 "coalesce", CTLFLAG_RD, NULL, "Interrupt coalesce configuration");
2694 coal_list = SYSCTL_CHILDREN(coal);
2695 SYSCTL_ADD_UINT(ctx, coal_list, OID_AUTO, "pkt_rate_low",
2696 CTLFLAG_RW, &priv->pkt_rate_low, 0,
2697 "Packets per-second for minimum delay");
2698 SYSCTL_ADD_UINT(ctx, coal_list, OID_AUTO, "rx_usecs_low",
2699 CTLFLAG_RW, &priv->rx_usecs_low, 0,
2700 "Minimum RX delay in micro-seconds");
2701 SYSCTL_ADD_UINT(ctx, coal_list, OID_AUTO, "pkt_rate_high",
2702 CTLFLAG_RW, &priv->pkt_rate_high, 0,
2703 "Packets per-second for maximum delay");
2704 SYSCTL_ADD_UINT(ctx, coal_list, OID_AUTO, "rx_usecs_high",
2705 CTLFLAG_RW, &priv->rx_usecs_high, 0,
2706 "Maximum RX delay in micro-seconds");
2707 SYSCTL_ADD_UINT(ctx, coal_list, OID_AUTO, "sample_interval",
2708 CTLFLAG_RW, &priv->sample_interval, 0,
2709 "adaptive frequency in units of HZ ticks");
2710 SYSCTL_ADD_UINT(ctx, coal_list, OID_AUTO, "adaptive_rx_coal",
2711 CTLFLAG_RW, &priv->adaptive_rx_coal, 0,
2712 "Enable adaptive rx coalescing");
2713 /* EEPROM support */
2714 SYSCTL_ADD_PROC(ctx, node_list, OID_AUTO, "eeprom_info",
2715 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, priv, 0,
2716 mlx4_en_read_eeprom, "I", "EEPROM information");
2719 static void mlx4_en_sysctl_stat(struct mlx4_en_priv *priv)
2721 struct sysctl_ctx_list *ctx;
2722 struct sysctl_oid_list *node_list;
2723 struct sysctl_oid *ring_node;
2724 struct sysctl_oid_list *ring_list;
2725 struct mlx4_en_tx_ring *tx_ring;
2726 struct mlx4_en_rx_ring *rx_ring;
2730 ctx = &priv->stat_ctx;
2731 sysctl_ctx_init(ctx);
2732 priv->stat_sysctl = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(priv->conf_sysctl), OID_AUTO,
2733 "stat", CTLFLAG_RD, NULL, "Statistics");
2734 node_list = SYSCTL_CHILDREN(priv->stat_sysctl);
2736 #ifdef MLX4_EN_PERF_STAT
2737 SYSCTL_ADD_UINT(ctx, node_list, OID_AUTO, "tx_poll", CTLFLAG_RD,
2738 &priv->pstats.tx_poll, "TX Poll calls");
2739 SYSCTL_ADD_QUAD(ctx, node_list, OID_AUTO, "tx_pktsz_avg", CTLFLAG_RD,
2740 &priv->pstats.tx_pktsz_avg, "TX average packet size");
2741 SYSCTL_ADD_UINT(ctx, node_list, OID_AUTO, "inflight_avg", CTLFLAG_RD,
2742 &priv->pstats.inflight_avg, "TX average packets in-flight");
2743 SYSCTL_ADD_UINT(ctx, node_list, OID_AUTO, "tx_coal_avg", CTLFLAG_RD,
2744 &priv->pstats.tx_coal_avg, "TX average coalesced completions");
2745 SYSCTL_ADD_UINT(ctx, node_list, OID_AUTO, "rx_coal_avg", CTLFLAG_RD,
2746 &priv->pstats.rx_coal_avg, "RX average coalesced completions");
2749 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tso_packets", CTLFLAG_RD,
2750 &priv->port_stats.tso_packets, 0, "TSO packets sent");
2751 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "queue_stopped", CTLFLAG_RD,
2752 &priv->port_stats.queue_stopped, 0, "Queue full");
2753 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "wake_queue", CTLFLAG_RD,
2754 &priv->port_stats.wake_queue, 0, "Queue resumed after full");
2755 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_timeout", CTLFLAG_RD,
2756 &priv->port_stats.tx_timeout, 0, "Transmit timeouts");
2757 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_oversized_packets", CTLFLAG_RD,
2758 &priv->port_stats.oversized_packets, 0, "TX oversized packets, m_defrag failed");
2759 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_alloc_failed", CTLFLAG_RD,
2760 &priv->port_stats.rx_alloc_failed, 0, "RX failed to allocate mbuf");
2761 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_chksum_good", CTLFLAG_RD,
2762 &priv->port_stats.rx_chksum_good, 0, "RX checksum offload success");
2763 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_chksum_none", CTLFLAG_RD,
2764 &priv->port_stats.rx_chksum_none, 0, "RX without checksum offload");
2765 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_chksum_offload",
2766 CTLFLAG_RD, &priv->port_stats.tx_chksum_offload, 0,
2767 "TX checksum offloads");
2768 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "defrag_attempts",
2769 CTLFLAG_RD, &priv->port_stats.defrag_attempts, 0,
2770 "Oversized chains defragged");
2772 /* Could strdup the names and add in a loop. This is simpler. */
2773 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_bytes", CTLFLAG_RD,
2774 &priv->pkstats.rx_bytes, 0, "RX Bytes");
2775 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_packets", CTLFLAG_RD,
2776 &priv->pkstats.rx_packets, 0, "RX packets");
2777 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_multicast_packets", CTLFLAG_RD,
2778 &priv->pkstats.rx_multicast_packets, 0, "RX Multicast Packets");
2779 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_broadcast_packets", CTLFLAG_RD,
2780 &priv->pkstats.rx_broadcast_packets, 0, "RX Broadcast Packets");
2781 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_errors", CTLFLAG_RD,
2782 &priv->pkstats.rx_errors, 0, "RX Errors");
2783 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_dropped", CTLFLAG_RD,
2784 &priv->pkstats.rx_dropped, 0, "RX Dropped");
2785 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_length_errors", CTLFLAG_RD,
2786 &priv->pkstats.rx_length_errors, 0, "RX Length Errors");
2787 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_over_errors", CTLFLAG_RD,
2788 &priv->pkstats.rx_over_errors, 0, "RX Over Errors");
2789 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_crc_errors", CTLFLAG_RD,
2790 &priv->pkstats.rx_crc_errors, 0, "RX CRC Errors");
2791 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_jabbers", CTLFLAG_RD,
2792 &priv->pkstats.rx_jabbers, 0, "RX Jabbers");
2794 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_in_range_length_error", CTLFLAG_RD,
2795 &priv->pkstats.rx_in_range_length_error, 0, "RX IN_Range Length Error");
2796 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_out_range_length_error",
2797 CTLFLAG_RD, &priv->pkstats.rx_out_range_length_error, 0,
2798 "RX Out Range Length Error");
2799 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_lt_64_bytes_packets", CTLFLAG_RD,
2800 &priv->pkstats.rx_lt_64_bytes_packets, 0, "RX Lt 64 Bytes Packets");
2801 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_127_bytes_packets", CTLFLAG_RD,
2802 &priv->pkstats.rx_127_bytes_packets, 0, "RX 127 bytes Packets");
2803 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_255_bytes_packets", CTLFLAG_RD,
2804 &priv->pkstats.rx_255_bytes_packets, 0, "RX 255 bytes Packets");
2805 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_511_bytes_packets", CTLFLAG_RD,
2806 &priv->pkstats.rx_511_bytes_packets, 0, "RX 511 bytes Packets");
2807 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_1023_bytes_packets", CTLFLAG_RD,
2808 &priv->pkstats.rx_1023_bytes_packets, 0, "RX 1023 bytes Packets");
2809 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_1518_bytes_packets", CTLFLAG_RD,
2810 &priv->pkstats.rx_1518_bytes_packets, 0, "RX 1518 bytes Packets");
2811 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_1522_bytes_packets", CTLFLAG_RD,
2812 &priv->pkstats.rx_1522_bytes_packets, 0, "RX 1522 bytes Packets");
2813 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_1548_bytes_packets", CTLFLAG_RD,
2814 &priv->pkstats.rx_1548_bytes_packets, 0, "RX 1548 bytes Packets");
2815 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_gt_1548_bytes_packets", CTLFLAG_RD,
2816 &priv->pkstats.rx_gt_1548_bytes_packets, 0,
2817 "RX Greater Then 1548 bytes Packets");
2819 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_packets", CTLFLAG_RD,
2820 &priv->pkstats.tx_packets, 0, "TX packets");
2821 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_bytes", CTLFLAG_RD,
2822 &priv->pkstats.tx_bytes, 0, "TX Bytes");
2823 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_multicast_packets", CTLFLAG_RD,
2824 &priv->pkstats.tx_multicast_packets, 0, "TX Multicast Packets");
2825 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_broadcast_packets", CTLFLAG_RD,
2826 &priv->pkstats.tx_broadcast_packets, 0, "TX Broadcast Packets");
2827 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_errors", CTLFLAG_RD,
2828 &priv->pkstats.tx_errors, 0, "TX Errors");
2829 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_dropped", CTLFLAG_RD,
2830 &priv->pkstats.tx_dropped, 0, "TX Dropped");
2831 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_lt_64_bytes_packets", CTLFLAG_RD,
2832 &priv->pkstats.tx_lt_64_bytes_packets, 0, "TX Less Then 64 Bytes Packets");
2833 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_127_bytes_packets", CTLFLAG_RD,
2834 &priv->pkstats.tx_127_bytes_packets, 0, "TX 127 Bytes Packets");
2835 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_255_bytes_packets", CTLFLAG_RD,
2836 &priv->pkstats.tx_255_bytes_packets, 0, "TX 255 Bytes Packets");
2837 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_511_bytes_packets", CTLFLAG_RD,
2838 &priv->pkstats.tx_511_bytes_packets, 0, "TX 511 Bytes Packets");
2839 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_1023_bytes_packets", CTLFLAG_RD,
2840 &priv->pkstats.tx_1023_bytes_packets, 0, "TX 1023 Bytes Packets");
2841 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_1518_bytes_packets", CTLFLAG_RD,
2842 &priv->pkstats.tx_1518_bytes_packets, 0, "TX 1518 Bytes Packets");
2843 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_1522_bytes_packets", CTLFLAG_RD,
2844 &priv->pkstats.tx_1522_bytes_packets, 0, "TX 1522 Bytes Packets");
2845 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_1548_bytes_packets", CTLFLAG_RD,
2846 &priv->pkstats.tx_1548_bytes_packets, 0, "TX 1548 Bytes Packets");
2847 SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_gt_1548_bytes_packets", CTLFLAG_RD,
2848 &priv->pkstats.tx_gt_1548_bytes_packets, 0,
2849 "TX Greater Then 1548 Bytes Packets");
2851 for (i = 0; i < priv->tx_ring_num; i++) {
2852 tx_ring = priv->tx_ring[i];
2853 snprintf(namebuf, sizeof(namebuf), "tx_ring%d", i);
2854 ring_node = SYSCTL_ADD_NODE(ctx, node_list, OID_AUTO, namebuf,
2855 CTLFLAG_RD, NULL, "TX Ring");
2856 ring_list = SYSCTL_CHILDREN(ring_node);
2857 SYSCTL_ADD_U64(ctx, ring_list, OID_AUTO, "packets",
2858 CTLFLAG_RD, &tx_ring->packets, 0, "TX packets");
2859 SYSCTL_ADD_U64(ctx, ring_list, OID_AUTO, "bytes",
2860 CTLFLAG_RD, &tx_ring->bytes, 0, "TX bytes");
2861 SYSCTL_ADD_U64(ctx, ring_list, OID_AUTO, "tso_packets",
2862 CTLFLAG_RD, &tx_ring->tso_packets, 0, "TSO packets");
2863 SYSCTL_ADD_U64(ctx, ring_list, OID_AUTO, "defrag_attempts",
2864 CTLFLAG_RD, &tx_ring->defrag_attempts, 0,
2865 "Oversized chains defragged");
2868 for (i = 0; i < priv->rx_ring_num; i++) {
2869 rx_ring = priv->rx_ring[i];
2870 snprintf(namebuf, sizeof(namebuf), "rx_ring%d", i);
2871 ring_node = SYSCTL_ADD_NODE(ctx, node_list, OID_AUTO, namebuf,
2872 CTLFLAG_RD, NULL, "RX Ring");
2873 ring_list = SYSCTL_CHILDREN(ring_node);
2874 SYSCTL_ADD_U64(ctx, ring_list, OID_AUTO, "packets",
2875 CTLFLAG_RD, &rx_ring->packets, 0, "RX packets");
2876 SYSCTL_ADD_U64(ctx, ring_list, OID_AUTO, "bytes",
2877 CTLFLAG_RD, &rx_ring->bytes, 0, "RX bytes");
2878 SYSCTL_ADD_U64(ctx, ring_list, OID_AUTO, "error",
2879 CTLFLAG_RD, &rx_ring->errors, 0, "RX soft errors");