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 #ifdef CONFIG_NET_RX_BUSY_POLL
38 #include <net/busy_poll.h>
41 #include <linux/list.h>
42 #include <linux/if_ether.h>
44 #include <linux/mlx4/driver.h>
45 #include <linux/mlx4/device.h>
46 #include <linux/mlx4/cmd.h>
47 #include <linux/mlx4/cq.h>
49 #include <sys/sockio.h>
50 #include <sys/sysctl.h>
55 static void mlx4_en_sysctl_stat(struct mlx4_en_priv *priv);
56 static void mlx4_en_sysctl_conf(struct mlx4_en_priv *priv);
57 static int mlx4_en_unit;
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 -EPROTONOSUPPORT;
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 < 0) {
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 hlist_node *elem;
268 struct mlx4_en_filter *filter;
269 struct mlx4_en_filter *ret = NULL;
271 hlist_for_each_entry(filter, elem,
272 filter_hash_bucket(priv, src_ip, dst_ip,
275 if (filter->src_ip == src_ip &&
276 filter->dst_ip == dst_ip &&
277 filter->ip_proto == ip_proto &&
278 filter->src_port == src_port &&
279 filter->dst_port == dst_port) {
289 mlx4_en_filter_rfs(struct net_device *net_dev, const struct sk_buff *skb,
290 u16 rxq_index, u32 flow_id)
292 struct mlx4_en_priv *priv = netdev_priv(net_dev);
293 struct mlx4_en_filter *filter;
294 const struct iphdr *ip;
301 int nhoff = skb_network_offset(skb);
304 if (skb->protocol != htons(ETH_P_IP))
305 return -EPROTONOSUPPORT;
307 ip = (const struct iphdr *)(skb->data + nhoff);
308 if (ip_is_fragment(ip))
309 return -EPROTONOSUPPORT;
311 if ((ip->protocol != IPPROTO_TCP) && (ip->protocol != IPPROTO_UDP))
312 return -EPROTONOSUPPORT;
313 ports = (const __be16 *)(skb->data + nhoff + 4 * ip->ihl);
315 ip_proto = ip->protocol;
321 spin_lock_bh(&priv->filters_lock);
322 filter = mlx4_en_filter_find(priv, src_ip, dst_ip, ip_proto,
325 if (filter->rxq_index == rxq_index)
328 filter->rxq_index = rxq_index;
330 filter = mlx4_en_filter_alloc(priv, rxq_index,
331 src_ip, dst_ip, ip_proto,
332 src_port, dst_port, flow_id);
339 queue_work(priv->mdev->workqueue, &filter->work);
344 spin_unlock_bh(&priv->filters_lock);
349 void mlx4_en_cleanup_filters(struct mlx4_en_priv *priv,
350 struct mlx4_en_rx_ring *rx_ring)
352 struct mlx4_en_filter *filter, *tmp;
355 spin_lock_bh(&priv->filters_lock);
356 list_for_each_entry_safe(filter, tmp, &priv->filters, next) {
357 list_move(&filter->next, &del_list);
358 hlist_del(&filter->filter_chain);
360 spin_unlock_bh(&priv->filters_lock);
362 list_for_each_entry_safe(filter, tmp, &del_list, next) {
363 cancel_work_sync(&filter->work);
364 mlx4_en_filter_free(filter);
368 static void mlx4_en_filter_rfs_expire(struct mlx4_en_priv *priv)
370 struct mlx4_en_filter *filter = NULL, *tmp, *last_filter = NULL;
374 spin_lock_bh(&priv->filters_lock);
375 list_for_each_entry_safe(filter, tmp, &priv->filters, next) {
376 if (i > MLX4_EN_FILTER_EXPIRY_QUOTA)
379 if (filter->activated &&
380 !work_pending(&filter->work) &&
381 rps_may_expire_flow(priv->dev,
382 filter->rxq_index, filter->flow_id,
384 list_move(&filter->next, &del_list);
385 hlist_del(&filter->filter_chain);
387 last_filter = filter;
392 if (last_filter && (&last_filter->next != priv->filters.next))
393 list_move(&priv->filters, &last_filter->next);
395 spin_unlock_bh(&priv->filters_lock);
397 list_for_each_entry_safe(filter, tmp, &del_list, next)
398 mlx4_en_filter_free(filter);
402 static void mlx4_en_vlan_rx_add_vid(void *arg, struct net_device *dev, u16 vid)
404 struct mlx4_en_priv *priv = netdev_priv(dev);
405 struct mlx4_en_dev *mdev = priv->mdev;
412 en_dbg(HW, priv, "adding VLAN:%d\n", vid);
414 set_bit(vid, priv->active_vlans);
416 /* Add VID to port VLAN filter */
417 mutex_lock(&mdev->state_lock);
418 if (mdev->device_up && priv->port_up) {
419 err = mlx4_SET_VLAN_FLTR(mdev->dev, priv);
421 en_err(priv, "Failed configuring VLAN filter\n");
423 if (mlx4_register_vlan(mdev->dev, priv->port, vid, &idx))
424 en_dbg(HW, priv, "failed adding vlan %d\n", vid);
425 mutex_unlock(&mdev->state_lock);
429 static void mlx4_en_vlan_rx_kill_vid(void *arg, struct net_device *dev, u16 vid)
431 struct mlx4_en_priv *priv = netdev_priv(dev);
432 struct mlx4_en_dev *mdev = priv->mdev;
438 en_dbg(HW, priv, "Killing VID:%d\n", vid);
440 clear_bit(vid, priv->active_vlans);
442 /* Remove VID from port VLAN filter */
443 mutex_lock(&mdev->state_lock);
444 mlx4_unregister_vlan(mdev->dev, priv->port, vid);
446 if (mdev->device_up && priv->port_up) {
447 err = mlx4_SET_VLAN_FLTR(mdev->dev, priv);
449 en_err(priv, "Failed configuring VLAN filter\n");
451 mutex_unlock(&mdev->state_lock);
455 static int mlx4_en_uc_steer_add(struct mlx4_en_priv *priv,
456 unsigned char *mac, int *qpn, u64 *reg_id)
458 struct mlx4_en_dev *mdev = priv->mdev;
459 struct mlx4_dev *dev = mdev->dev;
462 switch (dev->caps.steering_mode) {
463 case MLX4_STEERING_MODE_B0: {
468 memcpy(&gid[10], mac, ETH_ALEN);
471 err = mlx4_unicast_attach(dev, &qp, gid, 0, MLX4_PROT_ETH);
474 case MLX4_STEERING_MODE_DEVICE_MANAGED: {
475 struct mlx4_spec_list spec_eth = { {NULL} };
476 __be64 mac_mask = cpu_to_be64(MLX4_MAC_MASK << 16);
478 struct mlx4_net_trans_rule rule = {
479 .queue_mode = MLX4_NET_TRANS_Q_FIFO,
482 .promisc_mode = MLX4_FS_REGULAR,
483 .priority = MLX4_DOMAIN_NIC,
486 rule.port = priv->port;
488 INIT_LIST_HEAD(&rule.list);
490 spec_eth.id = MLX4_NET_TRANS_RULE_ID_ETH;
491 memcpy(spec_eth.eth.dst_mac, mac, ETH_ALEN);
492 memcpy(spec_eth.eth.dst_mac_msk, &mac_mask, ETH_ALEN);
493 list_add_tail(&spec_eth.list, &rule.list);
495 err = mlx4_flow_attach(dev, &rule, reg_id);
502 en_warn(priv, "Failed Attaching Unicast\n");
507 static void mlx4_en_uc_steer_release(struct mlx4_en_priv *priv,
508 unsigned char *mac, int qpn, u64 reg_id)
510 struct mlx4_en_dev *mdev = priv->mdev;
511 struct mlx4_dev *dev = mdev->dev;
513 switch (dev->caps.steering_mode) {
514 case MLX4_STEERING_MODE_B0: {
519 memcpy(&gid[10], mac, ETH_ALEN);
522 mlx4_unicast_detach(dev, &qp, gid, MLX4_PROT_ETH);
525 case MLX4_STEERING_MODE_DEVICE_MANAGED: {
526 mlx4_flow_detach(dev, reg_id);
530 en_err(priv, "Invalid steering mode.\n");
534 static int mlx4_en_get_qp(struct mlx4_en_priv *priv)
536 struct mlx4_en_dev *mdev = priv->mdev;
537 struct mlx4_dev *dev = mdev->dev;
538 struct mlx4_mac_entry *entry;
542 int *qpn = &priv->base_qpn;
543 u64 mac = mlx4_mac_to_u64(IF_LLADDR(priv->dev));
545 en_dbg(DRV, priv, "Registering MAC: %pM for adding\n",
546 IF_LLADDR(priv->dev));
547 index = mlx4_register_mac(dev, priv->port, mac);
550 en_err(priv, "Failed adding MAC: %pM\n",
551 IF_LLADDR(priv->dev));
555 if (dev->caps.steering_mode == MLX4_STEERING_MODE_A0) {
556 int base_qpn = mlx4_get_base_qpn(dev, priv->port);
557 *qpn = base_qpn + index;
561 err = mlx4_qp_reserve_range(dev, 1, 1, qpn, 0);
562 en_dbg(DRV, priv, "Reserved qp %d\n", *qpn);
564 en_err(priv, "Failed to reserve qp for mac registration\n");
568 err = mlx4_en_uc_steer_add(priv, IF_LLADDR(priv->dev), qpn, ®_id);
572 entry = kmalloc(sizeof(*entry), GFP_KERNEL);
577 memcpy(entry->mac, IF_LLADDR(priv->dev), sizeof(entry->mac));
578 entry->reg_id = reg_id;
580 hlist_add_head(&entry->hlist,
581 &priv->mac_hash[entry->mac[MLX4_EN_MAC_HASH_IDX]]);
586 mlx4_en_uc_steer_release(priv, IF_LLADDR(priv->dev), *qpn, reg_id);
589 mlx4_qp_release_range(dev, *qpn, 1);
592 mlx4_unregister_mac(dev, priv->port, mac);
596 static void mlx4_en_put_qp(struct mlx4_en_priv *priv)
598 struct mlx4_en_dev *mdev = priv->mdev;
599 struct mlx4_dev *dev = mdev->dev;
600 int qpn = priv->base_qpn;
603 if (dev->caps.steering_mode == MLX4_STEERING_MODE_A0) {
604 mac = mlx4_mac_to_u64(IF_LLADDR(priv->dev));
605 en_dbg(DRV, priv, "Registering MAC: %pM for deleting\n",
606 IF_LLADDR(priv->dev));
607 mlx4_unregister_mac(dev, priv->port, mac);
609 struct mlx4_mac_entry *entry;
610 struct hlist_node *n, *tmp;
611 struct hlist_head *bucket;
614 for (i = 0; i < MLX4_EN_MAC_HASH_SIZE; ++i) {
615 bucket = &priv->mac_hash[i];
616 hlist_for_each_entry_safe(entry, n, tmp, bucket, hlist) {
617 mac = mlx4_mac_to_u64(entry->mac);
618 en_dbg(DRV, priv, "Registering MAC: %pM for deleting\n",
620 mlx4_en_uc_steer_release(priv, entry->mac,
623 mlx4_unregister_mac(dev, priv->port, mac);
624 hlist_del(&entry->hlist);
629 en_dbg(DRV, priv, "Releasing qp: port %d, qpn %d\n",
631 mlx4_qp_release_range(dev, qpn, 1);
632 priv->flags &= ~MLX4_EN_FLAG_FORCE_PROMISC;
636 static void mlx4_en_clear_list(struct net_device *dev)
638 struct mlx4_en_priv *priv = netdev_priv(dev);
639 struct mlx4_en_mc_list *tmp, *mc_to_del;
641 list_for_each_entry_safe(mc_to_del, tmp, &priv->mc_list, list) {
642 list_del(&mc_to_del->list);
647 static void mlx4_en_cache_mclist(struct net_device *dev)
649 struct ifmultiaddr *ifma;
650 struct mlx4_en_mc_list *tmp;
651 struct mlx4_en_priv *priv = netdev_priv(dev);
654 TAILQ_FOREACH(ifma, &dev->if_multiaddrs, ifma_link) {
655 if (ifma->ifma_addr->sa_family != AF_LINK)
657 if (((struct sockaddr_dl *)ifma->ifma_addr)->sdl_alen !=
660 /* Make sure the list didn't grow. */
661 tmp = kzalloc(sizeof(struct mlx4_en_mc_list), GFP_ATOMIC);
663 en_err(priv, "Failed to allocate multicast list\n");
667 LLADDR((struct sockaddr_dl *)ifma->ifma_addr), ETH_ALEN);
668 list_add_tail(&tmp->list, &priv->mc_list);
670 if_maddr_runlock(dev);
673 static void update_mclist_flags(struct mlx4_en_priv *priv,
674 struct list_head *dst,
675 struct list_head *src)
677 struct mlx4_en_mc_list *dst_tmp, *src_tmp, *new_mc;
680 /* Find all the entries that should be removed from dst,
681 * These are the entries that are not found in src
683 list_for_each_entry(dst_tmp, dst, list) {
685 list_for_each_entry(src_tmp, src, list) {
686 if (!memcmp(dst_tmp->addr, src_tmp->addr, ETH_ALEN)) {
692 dst_tmp->action = MCLIST_REM;
695 /* Add entries that exist in src but not in dst
696 * mark them as need to add
698 list_for_each_entry(src_tmp, src, list) {
700 list_for_each_entry(dst_tmp, dst, list) {
701 if (!memcmp(dst_tmp->addr, src_tmp->addr, ETH_ALEN)) {
702 dst_tmp->action = MCLIST_NONE;
708 new_mc = kmalloc(sizeof(struct mlx4_en_mc_list),
711 en_err(priv, "Failed to allocate current multicast list\n");
714 memcpy(new_mc, src_tmp,
715 sizeof(struct mlx4_en_mc_list));
716 new_mc->action = MCLIST_ADD;
717 list_add_tail(&new_mc->list, dst);
722 static void mlx4_en_set_rx_mode(struct net_device *dev)
724 struct mlx4_en_priv *priv = netdev_priv(dev);
729 queue_work(priv->mdev->workqueue, &priv->rx_mode_task);
732 static void mlx4_en_set_promisc_mode(struct mlx4_en_priv *priv,
733 struct mlx4_en_dev *mdev)
736 if (!(priv->flags & MLX4_EN_FLAG_PROMISC)) {
737 priv->flags |= MLX4_EN_FLAG_PROMISC;
739 /* Enable promiscouos mode */
740 switch (mdev->dev->caps.steering_mode) {
741 case MLX4_STEERING_MODE_DEVICE_MANAGED:
742 err = mlx4_flow_steer_promisc_add(mdev->dev,
745 MLX4_FS_ALL_DEFAULT);
747 en_err(priv, "Failed enabling promiscuous mode\n");
748 priv->flags |= MLX4_EN_FLAG_MC_PROMISC;
751 case MLX4_STEERING_MODE_B0:
752 err = mlx4_unicast_promisc_add(mdev->dev,
756 en_err(priv, "Failed enabling unicast promiscuous mode\n");
758 /* Add the default qp number as multicast
761 if (!(priv->flags & MLX4_EN_FLAG_MC_PROMISC)) {
762 err = mlx4_multicast_promisc_add(mdev->dev,
766 en_err(priv, "Failed enabling multicast promiscuous mode\n");
767 priv->flags |= MLX4_EN_FLAG_MC_PROMISC;
771 case MLX4_STEERING_MODE_A0:
772 err = mlx4_SET_PORT_qpn_calc(mdev->dev,
777 en_err(priv, "Failed enabling promiscuous mode\n");
781 /* Disable port multicast filter (unconditionally) */
782 err = mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0,
783 0, MLX4_MCAST_DISABLE);
785 en_err(priv, "Failed disabling multicast filter\n");
789 static void mlx4_en_clear_promisc_mode(struct mlx4_en_priv *priv,
790 struct mlx4_en_dev *mdev)
794 priv->flags &= ~MLX4_EN_FLAG_PROMISC;
796 /* Disable promiscouos mode */
797 switch (mdev->dev->caps.steering_mode) {
798 case MLX4_STEERING_MODE_DEVICE_MANAGED:
799 err = mlx4_flow_steer_promisc_remove(mdev->dev,
801 MLX4_FS_ALL_DEFAULT);
803 en_err(priv, "Failed disabling promiscuous mode\n");
804 priv->flags &= ~MLX4_EN_FLAG_MC_PROMISC;
807 case MLX4_STEERING_MODE_B0:
808 err = mlx4_unicast_promisc_remove(mdev->dev,
812 en_err(priv, "Failed disabling unicast promiscuous mode\n");
813 /* Disable Multicast promisc */
814 if (priv->flags & MLX4_EN_FLAG_MC_PROMISC) {
815 err = mlx4_multicast_promisc_remove(mdev->dev,
819 en_err(priv, "Failed disabling multicast promiscuous mode\n");
820 priv->flags &= ~MLX4_EN_FLAG_MC_PROMISC;
824 case MLX4_STEERING_MODE_A0:
825 err = mlx4_SET_PORT_qpn_calc(mdev->dev,
829 en_err(priv, "Failed disabling promiscuous mode\n");
834 static void mlx4_en_do_multicast(struct mlx4_en_priv *priv,
835 struct net_device *dev,
836 struct mlx4_en_dev *mdev)
838 struct mlx4_en_mc_list *mclist, *tmp;
839 u8 mc_list[16] = {0};
844 /* Enable/disable the multicast filter according to IFF_ALLMULTI */
845 if (dev->if_flags & IFF_ALLMULTI) {
846 err = mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0,
847 0, MLX4_MCAST_DISABLE);
849 en_err(priv, "Failed disabling multicast filter\n");
851 /* Add the default qp number as multicast promisc */
852 if (!(priv->flags & MLX4_EN_FLAG_MC_PROMISC)) {
853 switch (mdev->dev->caps.steering_mode) {
854 case MLX4_STEERING_MODE_DEVICE_MANAGED:
855 err = mlx4_flow_steer_promisc_add(mdev->dev,
861 case MLX4_STEERING_MODE_B0:
862 err = mlx4_multicast_promisc_add(mdev->dev,
867 case MLX4_STEERING_MODE_A0:
871 en_err(priv, "Failed entering multicast promisc mode\n");
872 priv->flags |= MLX4_EN_FLAG_MC_PROMISC;
875 /* Disable Multicast promisc */
876 if (priv->flags & MLX4_EN_FLAG_MC_PROMISC) {
877 switch (mdev->dev->caps.steering_mode) {
878 case MLX4_STEERING_MODE_DEVICE_MANAGED:
879 err = mlx4_flow_steer_promisc_remove(mdev->dev,
884 case MLX4_STEERING_MODE_B0:
885 err = mlx4_multicast_promisc_remove(mdev->dev,
890 case MLX4_STEERING_MODE_A0:
894 en_err(priv, "Failed disabling multicast promiscuous mode\n");
895 priv->flags &= ~MLX4_EN_FLAG_MC_PROMISC;
898 err = mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0,
899 0, MLX4_MCAST_DISABLE);
901 en_err(priv, "Failed disabling multicast filter\n");
903 /* Flush mcast filter and init it with broadcast address */
904 mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, ETH_BCAST,
905 1, MLX4_MCAST_CONFIG);
907 /* Update multicast list - we cache all addresses so they won't
908 * change while HW is updated holding the command semaphor */
909 mlx4_en_cache_mclist(dev);
910 list_for_each_entry(mclist, &priv->mc_list, list) {
911 mcast_addr = mlx4_mac_to_u64(mclist->addr);
912 mlx4_SET_MCAST_FLTR(mdev->dev, priv->port,
913 mcast_addr, 0, MLX4_MCAST_CONFIG);
915 err = mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0,
916 0, MLX4_MCAST_ENABLE);
918 en_err(priv, "Failed enabling multicast filter\n");
920 update_mclist_flags(priv, &priv->curr_list, &priv->mc_list);
921 list_for_each_entry_safe(mclist, tmp, &priv->curr_list, list) {
922 if (mclist->action == MCLIST_REM) {
923 /* detach this address and delete from list */
924 memcpy(&mc_list[10], mclist->addr, ETH_ALEN);
925 mc_list[5] = priv->port;
926 err = mlx4_multicast_detach(mdev->dev,
927 &priv->rss_map.indir_qp,
932 en_err(priv, "Fail to detach multicast address\n");
934 /* remove from list */
935 list_del(&mclist->list);
937 } else if (mclist->action == MCLIST_ADD) {
938 /* attach the address */
939 memcpy(&mc_list[10], mclist->addr, ETH_ALEN);
940 /* needed for B0 steering support */
941 mc_list[5] = priv->port;
942 err = mlx4_multicast_attach(mdev->dev,
943 &priv->rss_map.indir_qp,
949 en_err(priv, "Fail to attach multicast address\n");
956 static void mlx4_en_do_set_rx_mode(struct work_struct *work)
958 struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv,
960 struct mlx4_en_dev *mdev = priv->mdev;
961 struct net_device *dev = priv->dev;
964 mutex_lock(&mdev->state_lock);
965 if (!mdev->device_up) {
966 en_dbg(HW, priv, "Card is not up, ignoring rx mode change.\n");
969 if (!priv->port_up) {
970 en_dbg(HW, priv, "Port is down, ignoring rx mode change.\n");
973 if (!mlx4_en_QUERY_PORT(mdev, priv->port)) {
974 if (priv->port_state.link_state) {
975 priv->last_link_state = MLX4_DEV_EVENT_PORT_UP;
976 /* update netif baudrate */
977 priv->dev->if_baudrate =
978 IF_Mbps(priv->port_state.link_speed);
979 /* Important note: the following call for if_link_state_change
980 * is needed for interface up scenario (start port, link state
982 if_link_state_change(priv->dev, LINK_STATE_UP);
983 en_dbg(HW, priv, "Link Up\n");
987 /* Promsicuous mode: disable all filters */
988 if ((dev->if_flags & IFF_PROMISC) ||
989 (priv->flags & MLX4_EN_FLAG_FORCE_PROMISC)) {
990 mlx4_en_set_promisc_mode(priv, mdev);
994 /* Not in promiscuous mode */
995 if (priv->flags & MLX4_EN_FLAG_PROMISC)
996 mlx4_en_clear_promisc_mode(priv, mdev);
998 mlx4_en_do_multicast(priv, dev, mdev);
1000 mutex_unlock(&mdev->state_lock);
1003 #ifdef CONFIG_NET_POLL_CONTROLLER
1004 static void mlx4_en_netpoll(struct net_device *dev)
1006 struct mlx4_en_priv *priv = netdev_priv(dev);
1007 struct mlx4_en_cq *cq;
1008 unsigned long flags;
1011 for (i = 0; i < priv->rx_ring_num; i++) {
1012 cq = priv->rx_cq[i];
1013 spin_lock_irqsave(&cq->lock, flags);
1014 napi_synchronize(&cq->napi);
1015 mlx4_en_process_rx_cq(dev, cq, 0);
1016 spin_unlock_irqrestore(&cq->lock, flags);
1021 static void mlx4_en_watchdog_timeout(void *arg)
1023 struct mlx4_en_priv *priv = arg;
1024 struct mlx4_en_dev *mdev = priv->mdev;
1026 en_dbg(DRV, priv, "Scheduling watchdog\n");
1027 queue_work(mdev->workqueue, &priv->watchdog_task);
1029 callout_reset(&priv->watchdog_timer, MLX4_EN_WATCHDOG_TIMEOUT,
1030 mlx4_en_watchdog_timeout, priv);
1035 static void mlx4_en_set_default_moderation(struct mlx4_en_priv *priv)
1037 struct mlx4_en_cq *cq;
1040 /* If we haven't received a specific coalescing setting
1041 * (module param), we set the moderation parameters as follows:
1042 * - moder_cnt is set to the number of mtu sized packets to
1043 * satisfy our coelsing target.
1044 * - moder_time is set to a fixed value.
1046 priv->rx_frames = MLX4_EN_RX_COAL_TARGET / priv->dev->if_mtu + 1;
1047 priv->rx_usecs = MLX4_EN_RX_COAL_TIME;
1048 priv->tx_frames = MLX4_EN_TX_COAL_PKTS;
1049 priv->tx_usecs = MLX4_EN_TX_COAL_TIME;
1050 en_dbg(INTR, priv, "Default coalesing params for mtu: %u - "
1051 "rx_frames:%d rx_usecs:%d\n",
1052 (unsigned)priv->dev->if_mtu, priv->rx_frames, priv->rx_usecs);
1054 /* Setup cq moderation params */
1055 for (i = 0; i < priv->rx_ring_num; i++) {
1056 cq = priv->rx_cq[i];
1057 cq->moder_cnt = priv->rx_frames;
1058 cq->moder_time = priv->rx_usecs;
1059 priv->last_moder_time[i] = MLX4_EN_AUTO_CONF;
1060 priv->last_moder_packets[i] = 0;
1061 priv->last_moder_bytes[i] = 0;
1064 for (i = 0; i < priv->tx_ring_num; i++) {
1065 cq = priv->tx_cq[i];
1066 cq->moder_cnt = priv->tx_frames;
1067 cq->moder_time = priv->tx_usecs;
1070 /* Reset auto-moderation params */
1071 priv->pkt_rate_low = MLX4_EN_RX_RATE_LOW;
1072 priv->rx_usecs_low = MLX4_EN_RX_COAL_TIME_LOW;
1073 priv->pkt_rate_high = MLX4_EN_RX_RATE_HIGH;
1074 priv->rx_usecs_high = MLX4_EN_RX_COAL_TIME_HIGH;
1075 priv->sample_interval = MLX4_EN_SAMPLE_INTERVAL;
1076 priv->adaptive_rx_coal = 1;
1077 priv->last_moder_jiffies = 0;
1078 priv->last_moder_tx_packets = 0;
1081 static void mlx4_en_auto_moderation(struct mlx4_en_priv *priv)
1083 unsigned long period = (unsigned long) (jiffies - priv->last_moder_jiffies);
1084 struct mlx4_en_cq *cq;
1085 unsigned long packets;
1087 unsigned long avg_pkt_size;
1088 unsigned long rx_packets;
1089 unsigned long rx_bytes;
1090 unsigned long rx_pkt_diff;
1094 if (!priv->adaptive_rx_coal || period < priv->sample_interval * HZ)
1097 for (ring = 0; ring < priv->rx_ring_num; ring++) {
1098 spin_lock(&priv->stats_lock);
1099 rx_packets = priv->rx_ring[ring]->packets;
1100 rx_bytes = priv->rx_ring[ring]->bytes;
1101 spin_unlock(&priv->stats_lock);
1103 rx_pkt_diff = ((unsigned long) (rx_packets -
1104 priv->last_moder_packets[ring]));
1105 packets = rx_pkt_diff;
1106 rate = packets * HZ / period;
1107 avg_pkt_size = packets ? ((unsigned long) (rx_bytes -
1108 priv->last_moder_bytes[ring])) / packets : 0;
1110 /* Apply auto-moderation only when packet rate
1111 * exceeds a rate that it matters */
1112 if (rate > (MLX4_EN_RX_RATE_THRESH / priv->rx_ring_num) &&
1113 avg_pkt_size > MLX4_EN_AVG_PKT_SMALL) {
1114 if (rate < priv->pkt_rate_low)
1115 moder_time = priv->rx_usecs_low;
1116 else if (rate > priv->pkt_rate_high)
1117 moder_time = priv->rx_usecs_high;
1119 moder_time = (rate - priv->pkt_rate_low) *
1120 (priv->rx_usecs_high - priv->rx_usecs_low) /
1121 (priv->pkt_rate_high - priv->pkt_rate_low) +
1124 moder_time = priv->rx_usecs_low;
1127 if (moder_time != priv->last_moder_time[ring]) {
1128 priv->last_moder_time[ring] = moder_time;
1129 cq = priv->rx_cq[ring];
1130 cq->moder_time = moder_time;
1131 err = mlx4_en_set_cq_moder(priv, cq);
1133 en_err(priv, "Failed modifying moderation for cq:%d\n",
1136 priv->last_moder_packets[ring] = rx_packets;
1137 priv->last_moder_bytes[ring] = rx_bytes;
1140 priv->last_moder_jiffies = jiffies;
1143 static void mlx4_en_do_get_stats(struct work_struct *work)
1145 struct delayed_work *delay = to_delayed_work(work);
1146 struct mlx4_en_priv *priv = container_of(delay, struct mlx4_en_priv,
1148 struct mlx4_en_dev *mdev = priv->mdev;
1151 mutex_lock(&mdev->state_lock);
1152 if (mdev->device_up) {
1153 if (priv->port_up) {
1154 err = mlx4_en_DUMP_ETH_STATS(mdev, priv->port, 0);
1156 en_dbg(HW, priv, "Could not update stats\n");
1158 mlx4_en_auto_moderation(priv);
1161 queue_delayed_work(mdev->workqueue, &priv->stats_task, STATS_DELAY);
1163 mutex_unlock(&mdev->state_lock);
1166 /* mlx4_en_service_task - Run service task for tasks that needed to be done
1169 static void mlx4_en_service_task(struct work_struct *work)
1171 struct delayed_work *delay = to_delayed_work(work);
1172 struct mlx4_en_priv *priv = container_of(delay, struct mlx4_en_priv,
1174 struct mlx4_en_dev *mdev = priv->mdev;
1176 mutex_lock(&mdev->state_lock);
1177 if (mdev->device_up) {
1178 queue_delayed_work(mdev->workqueue, &priv->service_task,
1179 SERVICE_TASK_DELAY);
1181 mutex_unlock(&mdev->state_lock);
1184 static void mlx4_en_linkstate(struct work_struct *work)
1186 struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv,
1188 struct mlx4_en_dev *mdev = priv->mdev;
1189 int linkstate = priv->link_state;
1191 mutex_lock(&mdev->state_lock);
1192 /* If observable port state changed set carrier state and
1193 * report to system log */
1194 if (priv->last_link_state != linkstate) {
1195 if (linkstate == MLX4_DEV_EVENT_PORT_DOWN) {
1196 en_info(priv, "Link Down\n");
1197 if_link_state_change(priv->dev, LINK_STATE_DOWN);
1198 /* update netif baudrate */
1199 priv->dev->if_baudrate = 0;
1201 /* make sure the port is up before notifying the OS.
1202 * This is tricky since we get here on INIT_PORT and
1203 * in such case we can't tell the OS the port is up.
1204 * To solve this there is a call to if_link_state_change
1207 } else if (priv->port_up && (linkstate == MLX4_DEV_EVENT_PORT_UP)){
1208 if (mlx4_en_QUERY_PORT(priv->mdev, priv->port))
1209 en_info(priv, "Query port failed\n");
1210 priv->dev->if_baudrate =
1211 IF_Mbps(priv->port_state.link_speed);
1212 en_info(priv, "Link Up\n");
1213 if_link_state_change(priv->dev, LINK_STATE_UP);
1216 priv->last_link_state = linkstate;
1217 mutex_unlock(&mdev->state_lock);
1221 int mlx4_en_start_port(struct net_device *dev)
1223 struct mlx4_en_priv *priv = netdev_priv(dev);
1224 struct mlx4_en_dev *mdev = priv->mdev;
1225 struct mlx4_en_cq *cq;
1226 struct mlx4_en_tx_ring *tx_ring;
1232 u8 mc_list[16] = {0};
1235 if (priv->port_up) {
1236 en_dbg(DRV, priv, "start port called while port already up\n");
1240 INIT_LIST_HEAD(&priv->mc_list);
1241 INIT_LIST_HEAD(&priv->curr_list);
1242 INIT_LIST_HEAD(&priv->ethtool_list);
1244 /* Calculate Rx buf size */
1245 dev->if_mtu = min(dev->if_mtu, priv->max_mtu);
1246 mlx4_en_calc_rx_buf(dev);
1247 en_dbg(DRV, priv, "Rx buf size:%d\n", priv->rx_mb_size);
1249 /* Configure rx cq's and rings */
1250 err = mlx4_en_activate_rx_rings(priv);
1252 en_err(priv, "Failed to activate RX rings\n");
1255 for (i = 0; i < priv->rx_ring_num; i++) {
1256 cq = priv->rx_cq[i];
1258 mlx4_en_cq_init_lock(cq);
1259 err = mlx4_en_activate_cq(priv, cq, i);
1261 en_err(priv, "Failed activating Rx CQ\n");
1264 for (j = 0; j < cq->size; j++)
1265 cq->buf[j].owner_sr_opcode = MLX4_CQE_OWNER_MASK;
1266 err = mlx4_en_set_cq_moder(priv, cq);
1268 en_err(priv, "Failed setting cq moderation parameters");
1269 mlx4_en_deactivate_cq(priv, cq);
1272 mlx4_en_arm_cq(priv, cq);
1273 priv->rx_ring[i]->cqn = cq->mcq.cqn;
1278 en_dbg(DRV, priv, "Getting qp number for port %d\n", priv->port);
1279 err = mlx4_en_get_qp(priv);
1281 en_err(priv, "Failed getting eth qp\n");
1284 mdev->mac_removed[priv->port] = 0;
1286 /* gets default allocated counter index from func cap */
1287 /* or sink counter index if no resources */
1288 priv->counter_index = mdev->dev->caps.def_counter_index[priv->port - 1];
1290 en_dbg(DRV, priv, "%s: default counter index %d for port %d\n",
1291 __func__, priv->counter_index, priv->port);
1293 err = mlx4_en_config_rss_steer(priv);
1295 en_err(priv, "Failed configuring rss steering\n");
1299 err = mlx4_en_create_drop_qp(priv);
1303 /* Configure tx cq's and rings */
1304 for (i = 0; i < priv->tx_ring_num; i++) {
1306 cq = priv->tx_cq[i];
1307 err = mlx4_en_activate_cq(priv, cq, i);
1309 en_err(priv, "Failed activating Tx CQ\n");
1312 err = mlx4_en_set_cq_moder(priv, cq);
1314 en_err(priv, "Failed setting cq moderation parameters");
1315 mlx4_en_deactivate_cq(priv, cq);
1318 en_dbg(DRV, priv, "Resetting index of collapsed CQ:%d to -1\n", i);
1319 cq->buf->wqe_index = cpu_to_be16(0xffff);
1321 /* Configure ring */
1322 tx_ring = priv->tx_ring[i];
1324 err = mlx4_en_activate_tx_ring(priv, tx_ring, cq->mcq.cqn,
1325 i / priv->num_tx_rings_p_up);
1327 en_err(priv, "Failed activating Tx ring %d\n", i);
1328 mlx4_en_deactivate_cq(priv, cq);
1332 /* Arm CQ for TX completions */
1333 mlx4_en_arm_cq(priv, cq);
1335 /* Set initial ownership of all Tx TXBBs to SW (1) */
1336 for (j = 0; j < tx_ring->buf_size; j += STAMP_STRIDE)
1337 *((u32 *) (tx_ring->buf + j)) = 0xffffffff;
1341 /* Configure port */
1342 err = mlx4_SET_PORT_general(mdev->dev, priv->port,
1344 priv->prof->tx_pause,
1346 priv->prof->rx_pause,
1347 priv->prof->rx_ppp);
1349 en_err(priv, "Failed setting port general configurations for port %d, with error %d\n",
1353 /* Set default qp number */
1354 err = mlx4_SET_PORT_qpn_calc(mdev->dev, priv->port, priv->base_qpn, 0);
1356 en_err(priv, "Failed setting default qp numbers\n");
1361 en_dbg(HW, priv, "Initializing port\n");
1362 err = mlx4_INIT_PORT(mdev->dev, priv->port);
1364 en_err(priv, "Failed Initializing port\n");
1368 /* Attach rx QP to bradcast address */
1369 memset(&mc_list[10], 0xff, ETH_ALEN);
1370 mc_list[5] = priv->port; /* needed for B0 steering support */
1371 if (mlx4_multicast_attach(mdev->dev, &priv->rss_map.indir_qp, mc_list,
1372 priv->port, 0, MLX4_PROT_ETH,
1373 &priv->broadcast_id))
1374 mlx4_warn(mdev, "Failed Attaching Broadcast\n");
1376 /* Must redo promiscuous mode setup. */
1377 priv->flags &= ~(MLX4_EN_FLAG_PROMISC | MLX4_EN_FLAG_MC_PROMISC);
1379 /* Schedule multicast task to populate multicast list */
1380 queue_work(mdev->workqueue, &priv->rx_mode_task);
1382 mlx4_set_stats_bitmap(mdev->dev, priv->stats_bitmap);
1384 priv->port_up = true;
1386 /* Enable the queues. */
1387 dev->if_drv_flags &= ~IFF_DRV_OACTIVE;
1388 dev->if_drv_flags |= IFF_DRV_RUNNING;
1389 #ifdef CONFIG_DEBUG_FS
1390 mlx4_en_create_debug_files(priv);
1392 callout_reset(&priv->watchdog_timer, MLX4_EN_WATCHDOG_TIMEOUT,
1393 mlx4_en_watchdog_timeout, priv);
1399 while (tx_index--) {
1400 mlx4_en_deactivate_tx_ring(priv, priv->tx_ring[tx_index]);
1401 mlx4_en_deactivate_cq(priv, priv->tx_cq[tx_index]);
1403 mlx4_en_destroy_drop_qp(priv);
1405 mlx4_en_release_rss_steer(priv);
1407 mlx4_en_put_qp(priv);
1410 mlx4_en_deactivate_cq(priv, priv->rx_cq[rx_index]);
1411 for (i = 0; i < priv->rx_ring_num; i++)
1412 mlx4_en_deactivate_rx_ring(priv, priv->rx_ring[i]);
1414 return err; /* need to close devices */
1418 void mlx4_en_stop_port(struct net_device *dev)
1420 struct mlx4_en_priv *priv = netdev_priv(dev);
1421 struct mlx4_en_dev *mdev = priv->mdev;
1422 struct mlx4_en_mc_list *mclist, *tmp;
1424 u8 mc_list[16] = {0};
1426 if (!priv->port_up) {
1427 en_dbg(DRV, priv, "stop port called while port already down\n");
1431 #ifdef CONFIG_DEBUG_FS
1432 mlx4_en_delete_debug_files(priv);
1436 mlx4_CLOSE_PORT(mdev->dev, priv->port);
1438 /* Set port as not active */
1439 priv->port_up = false;
1440 if (priv->counter_index != 0xff) {
1441 mlx4_counter_free(mdev->dev, priv->port, priv->counter_index);
1442 priv->counter_index = 0xff;
1445 /* Promsicuous mode */
1446 if (mdev->dev->caps.steering_mode ==
1447 MLX4_STEERING_MODE_DEVICE_MANAGED) {
1448 priv->flags &= ~(MLX4_EN_FLAG_PROMISC |
1449 MLX4_EN_FLAG_MC_PROMISC);
1450 mlx4_flow_steer_promisc_remove(mdev->dev,
1452 MLX4_FS_ALL_DEFAULT);
1453 mlx4_flow_steer_promisc_remove(mdev->dev,
1455 MLX4_FS_MC_DEFAULT);
1456 } else if (priv->flags & MLX4_EN_FLAG_PROMISC) {
1457 priv->flags &= ~MLX4_EN_FLAG_PROMISC;
1459 /* Disable promiscouos mode */
1460 mlx4_unicast_promisc_remove(mdev->dev, priv->base_qpn,
1463 /* Disable Multicast promisc */
1464 if (priv->flags & MLX4_EN_FLAG_MC_PROMISC) {
1465 mlx4_multicast_promisc_remove(mdev->dev, priv->base_qpn,
1467 priv->flags &= ~MLX4_EN_FLAG_MC_PROMISC;
1471 /* Detach All multicasts */
1472 memset(&mc_list[10], 0xff, ETH_ALEN);
1473 mc_list[5] = priv->port; /* needed for B0 steering support */
1474 mlx4_multicast_detach(mdev->dev, &priv->rss_map.indir_qp, mc_list,
1475 MLX4_PROT_ETH, priv->broadcast_id);
1476 list_for_each_entry(mclist, &priv->curr_list, list) {
1477 memcpy(&mc_list[10], mclist->addr, ETH_ALEN);
1478 mc_list[5] = priv->port;
1479 mlx4_multicast_detach(mdev->dev, &priv->rss_map.indir_qp,
1480 mc_list, MLX4_PROT_ETH, mclist->reg_id);
1482 mlx4_en_clear_list(dev);
1483 list_for_each_entry_safe(mclist, tmp, &priv->curr_list, list) {
1484 list_del(&mclist->list);
1488 /* Flush multicast filter */
1489 mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0, 1, MLX4_MCAST_CONFIG);
1490 mlx4_en_destroy_drop_qp(priv);
1493 for (i = 0; i < priv->tx_ring_num; i++) {
1494 mlx4_en_deactivate_tx_ring(priv, priv->tx_ring[i]);
1495 mlx4_en_deactivate_cq(priv, priv->tx_cq[i]);
1499 for (i = 0; i < priv->tx_ring_num; i++)
1500 mlx4_en_free_tx_buf(dev, priv->tx_ring[i]);
1503 mlx4_en_release_rss_steer(priv);
1505 /* Unregister Mac address for the port */
1506 mlx4_en_put_qp(priv);
1507 mdev->mac_removed[priv->port] = 1;
1510 for (i = 0; i < priv->rx_ring_num; i++) {
1511 struct mlx4_en_cq *cq = priv->rx_cq[i];
1512 mlx4_en_deactivate_rx_ring(priv, priv->rx_ring[i]);
1513 mlx4_en_deactivate_cq(priv, cq);
1516 callout_stop(&priv->watchdog_timer);
1518 dev->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1521 static void mlx4_en_restart(struct work_struct *work)
1523 struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv,
1525 struct mlx4_en_dev *mdev = priv->mdev;
1526 struct net_device *dev = priv->dev;
1527 struct mlx4_en_tx_ring *ring;
1531 if (priv->blocked == 0 || priv->port_up == 0)
1533 for (i = 0; i < priv->tx_ring_num; i++) {
1534 ring = priv->tx_ring[i];
1535 if (ring->blocked &&
1536 ring->watchdog_time + MLX4_EN_WATCHDOG_TIMEOUT < ticks)
1542 priv->port_stats.tx_timeout++;
1543 en_dbg(DRV, priv, "Watchdog task called for port %d\n", priv->port);
1545 mutex_lock(&mdev->state_lock);
1546 if (priv->port_up) {
1547 mlx4_en_stop_port(dev);
1548 //for (i = 0; i < priv->tx_ring_num; i++)
1549 // netdev_tx_reset_queue(priv->tx_ring[i]->tx_queue);
1550 if (mlx4_en_start_port(dev))
1551 en_err(priv, "Failed restarting port %d\n", priv->port);
1553 mutex_unlock(&mdev->state_lock);
1556 static void mlx4_en_clear_stats(struct net_device *dev)
1558 struct mlx4_en_priv *priv = netdev_priv(dev);
1559 struct mlx4_en_dev *mdev = priv->mdev;
1562 if (!mlx4_is_slave(mdev->dev))
1563 if (mlx4_en_DUMP_ETH_STATS(mdev, priv->port, 1))
1564 en_dbg(HW, priv, "Failed dumping statistics\n");
1566 memset(&priv->pstats, 0, sizeof(priv->pstats));
1567 memset(&priv->pkstats, 0, sizeof(priv->pkstats));
1568 memset(&priv->port_stats, 0, sizeof(priv->port_stats));
1569 memset(&priv->vport_stats, 0, sizeof(priv->vport_stats));
1571 for (i = 0; i < priv->tx_ring_num; i++) {
1572 priv->tx_ring[i]->bytes = 0;
1573 priv->tx_ring[i]->packets = 0;
1574 priv->tx_ring[i]->tx_csum = 0;
1575 priv->tx_ring[i]->oversized_packets = 0;
1577 for (i = 0; i < priv->rx_ring_num; i++) {
1578 priv->rx_ring[i]->bytes = 0;
1579 priv->rx_ring[i]->packets = 0;
1580 priv->rx_ring[i]->csum_ok = 0;
1581 priv->rx_ring[i]->csum_none = 0;
1585 static void mlx4_en_open(void* arg)
1588 struct mlx4_en_priv *priv;
1589 struct mlx4_en_dev *mdev;
1590 struct net_device *dev;
1598 mutex_lock(&mdev->state_lock);
1600 if (!mdev->device_up) {
1601 en_err(priv, "Cannot open - device down/disabled\n");
1605 /* Reset HW statistics and SW counters */
1606 mlx4_en_clear_stats(dev);
1608 err = mlx4_en_start_port(dev);
1610 en_err(priv, "Failed starting port:%d\n", priv->port);
1613 mutex_unlock(&mdev->state_lock);
1617 void mlx4_en_free_resources(struct mlx4_en_priv *priv)
1621 #ifdef CONFIG_RFS_ACCEL
1622 if (priv->dev->rx_cpu_rmap) {
1623 free_irq_cpu_rmap(priv->dev->rx_cpu_rmap);
1624 priv->dev->rx_cpu_rmap = NULL;
1628 for (i = 0; i < priv->tx_ring_num; i++) {
1629 if (priv->tx_ring && priv->tx_ring[i])
1630 mlx4_en_destroy_tx_ring(priv, &priv->tx_ring[i]);
1631 if (priv->tx_cq && priv->tx_cq[i])
1632 mlx4_en_destroy_cq(priv, &priv->tx_cq[i]);
1635 for (i = 0; i < priv->rx_ring_num; i++) {
1636 if (priv->rx_ring[i])
1637 mlx4_en_destroy_rx_ring(priv, &priv->rx_ring[i],
1638 priv->prof->rx_ring_size, priv->stride);
1640 mlx4_en_destroy_cq(priv, &priv->rx_cq[i]);
1643 if (priv->stat_sysctl != NULL)
1644 sysctl_ctx_free(&priv->stat_ctx);
1647 int mlx4_en_alloc_resources(struct mlx4_en_priv *priv)
1649 struct mlx4_en_port_profile *prof = priv->prof;
1653 /* Create rx Rings */
1654 for (i = 0; i < priv->rx_ring_num; i++) {
1655 if (mlx4_en_create_cq(priv, &priv->rx_cq[i],
1656 prof->rx_ring_size, i, RX, node))
1659 if (mlx4_en_create_rx_ring(priv, &priv->rx_ring[i],
1660 prof->rx_ring_size, node))
1664 /* Create tx Rings */
1665 for (i = 0; i < priv->tx_ring_num; i++) {
1666 if (mlx4_en_create_cq(priv, &priv->tx_cq[i],
1667 prof->tx_ring_size, i, TX, node))
1670 if (mlx4_en_create_tx_ring(priv, &priv->tx_ring[i],
1671 prof->tx_ring_size, TXBB_SIZE, node, i))
1675 #ifdef CONFIG_RFS_ACCEL
1676 priv->dev->rx_cpu_rmap = alloc_irq_cpu_rmap(priv->rx_ring_num);
1677 if (!priv->dev->rx_cpu_rmap)
1680 /* Re-create stat sysctls in case the number of rings changed. */
1681 mlx4_en_sysctl_stat(priv);
1685 en_err(priv, "Failed to allocate NIC resources\n");
1686 for (i = 0; i < priv->rx_ring_num; i++) {
1687 if (priv->rx_ring[i])
1688 mlx4_en_destroy_rx_ring(priv, &priv->rx_ring[i],
1692 mlx4_en_destroy_cq(priv, &priv->rx_cq[i]);
1694 for (i = 0; i < priv->tx_ring_num; i++) {
1695 if (priv->tx_ring[i])
1696 mlx4_en_destroy_tx_ring(priv, &priv->tx_ring[i]);
1698 mlx4_en_destroy_cq(priv, &priv->tx_cq[i]);
1700 priv->port_up = false;
1704 struct en_port_attribute {
1705 struct attribute attr;
1706 ssize_t (*show)(struct en_port *, struct en_port_attribute *, char *buf);
1707 ssize_t (*store)(struct en_port *, struct en_port_attribute *, char *buf, size_t count);
1710 #define PORT_ATTR_RO(_name) \
1711 struct en_port_attribute en_port_attr_##_name = __ATTR_RO(_name)
1713 #define EN_PORT_ATTR(_name, _mode, _show, _store) \
1714 struct en_port_attribute en_port_attr_##_name = __ATTR(_name, _mode, _show, _store)
1716 void mlx4_en_destroy_netdev(struct net_device *dev)
1718 struct mlx4_en_priv *priv = netdev_priv(dev);
1719 struct mlx4_en_dev *mdev = priv->mdev;
1721 en_dbg(DRV, priv, "Destroying netdev on port:%d\n", priv->port);
1723 if (priv->vlan_attach != NULL)
1724 EVENTHANDLER_DEREGISTER(vlan_config, priv->vlan_attach);
1725 if (priv->vlan_detach != NULL)
1726 EVENTHANDLER_DEREGISTER(vlan_unconfig, priv->vlan_detach);
1728 /* Unregister device - this will close the port if it was up */
1729 if (priv->registered) {
1730 mutex_lock(&mdev->state_lock);
1731 ether_ifdetach(dev);
1732 mutex_unlock(&mdev->state_lock);
1735 mutex_lock(&mdev->state_lock);
1736 mlx4_en_stop_port(dev);
1737 mutex_unlock(&mdev->state_lock);
1739 if (priv->allocated)
1740 mlx4_free_hwq_res(mdev->dev, &priv->res, MLX4_EN_PAGE_SIZE);
1742 cancel_delayed_work(&priv->stats_task);
1743 cancel_delayed_work(&priv->service_task);
1744 /* flush any pending task for this netdev */
1745 flush_workqueue(mdev->workqueue);
1746 callout_drain(&priv->watchdog_timer);
1748 /* Detach the netdev so tasks would not attempt to access it */
1749 mutex_lock(&mdev->state_lock);
1750 mdev->pndev[priv->port] = NULL;
1751 mutex_unlock(&mdev->state_lock);
1754 mlx4_en_free_resources(priv);
1756 /* freeing the sysctl conf cannot be called from within mlx4_en_free_resources */
1757 if (priv->conf_sysctl != NULL)
1758 sysctl_ctx_free(&priv->conf_ctx);
1760 kfree(priv->tx_ring);
1768 static int mlx4_en_change_mtu(struct net_device *dev, int new_mtu)
1770 struct mlx4_en_priv *priv = netdev_priv(dev);
1771 struct mlx4_en_dev *mdev = priv->mdev;
1774 en_dbg(DRV, priv, "Change MTU called - current:%u new:%u\n",
1775 (unsigned)dev->if_mtu, (unsigned)new_mtu);
1777 if ((new_mtu < MLX4_EN_MIN_MTU) || (new_mtu > priv->max_mtu)) {
1778 en_err(priv, "Bad MTU size:%d.\n", new_mtu);
1781 mutex_lock(&mdev->state_lock);
1782 dev->if_mtu = new_mtu;
1783 if (dev->if_drv_flags & IFF_DRV_RUNNING) {
1784 if (!mdev->device_up) {
1785 /* NIC is probably restarting - let watchdog task reset
1787 en_dbg(DRV, priv, "Change MTU called with card down!?\n");
1789 mlx4_en_stop_port(dev);
1790 err = mlx4_en_start_port(dev);
1792 en_err(priv, "Failed restarting port:%d\n",
1794 queue_work(mdev->workqueue, &priv->watchdog_task);
1798 mutex_unlock(&mdev->state_lock);
1802 static int mlx4_en_calc_media(struct mlx4_en_priv *priv)
1808 if (priv->last_link_state == MLX4_DEV_EVENT_PORT_DOWN)
1811 trans_type = priv->port_state.transciver;
1812 /* XXX I don't know all of the transceiver values. */
1813 switch (priv->port_state.link_speed) {
1815 active |= IFM_1000_T;
1818 if (trans_type > 0 && trans_type <= 0xC)
1819 active |= IFM_10G_SR;
1820 else if (trans_type == 0x80 || trans_type == 0)
1821 active |= IFM_10G_CX4;
1824 active |= IFM_40G_CR4;
1827 if (priv->prof->tx_pause)
1828 active |= IFM_ETH_TXPAUSE;
1829 if (priv->prof->rx_pause)
1830 active |= IFM_ETH_RXPAUSE;
1835 static void mlx4_en_media_status(struct ifnet *dev, struct ifmediareq *ifmr)
1837 struct mlx4_en_priv *priv;
1839 priv = dev->if_softc;
1840 ifmr->ifm_status = IFM_AVALID;
1841 if (priv->last_link_state != MLX4_DEV_EVENT_PORT_DOWN)
1842 ifmr->ifm_status |= IFM_ACTIVE;
1843 ifmr->ifm_active = mlx4_en_calc_media(priv);
1848 static int mlx4_en_media_change(struct ifnet *dev)
1850 struct mlx4_en_priv *priv;
1851 struct ifmedia *ifm;
1856 priv = dev->if_softc;
1858 rxpause = txpause = 0;
1861 if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER)
1863 switch (IFM_SUBTYPE(ifm->ifm_media)) {
1870 if ((IFM_SUBTYPE(ifm->ifm_media)
1871 == IFM_SUBTYPE(mlx4_en_calc_media(priv)))
1872 && (ifm->ifm_media & IFM_FDX))
1876 printf("%s: Only auto media type\n", if_name(dev));
1879 /* Allow user to set/clear pause */
1880 if (IFM_OPTIONS(ifm->ifm_media) & IFM_ETH_RXPAUSE)
1882 if (IFM_OPTIONS(ifm->ifm_media) & IFM_ETH_TXPAUSE)
1884 if (priv->prof->tx_pause != txpause || priv->prof->rx_pause != rxpause) {
1885 priv->prof->tx_pause = txpause;
1886 priv->prof->rx_pause = rxpause;
1887 error = -mlx4_SET_PORT_general(priv->mdev->dev, priv->port,
1888 priv->rx_mb_size + ETHER_CRC_LEN, priv->prof->tx_pause,
1889 priv->prof->tx_ppp, priv->prof->rx_pause,
1890 priv->prof->rx_ppp);
1895 static int mlx4_en_ioctl(struct ifnet *dev, u_long command, caddr_t data)
1897 struct mlx4_en_priv *priv;
1898 struct mlx4_en_dev *mdev;
1905 priv = dev->if_softc;
1907 ifr = (struct ifreq *) data;
1911 error = -mlx4_en_change_mtu(dev, ifr->ifr_mtu);
1914 if (dev->if_flags & IFF_UP) {
1915 if ((dev->if_drv_flags & IFF_DRV_RUNNING) == 0) {
1916 mutex_lock(&mdev->state_lock);
1917 mlx4_en_start_port(dev);
1918 mutex_unlock(&mdev->state_lock);
1920 mlx4_en_set_rx_mode(dev);
1923 mutex_lock(&mdev->state_lock);
1924 if (dev->if_drv_flags & IFF_DRV_RUNNING) {
1925 mlx4_en_stop_port(dev);
1926 if_link_state_change(dev, LINK_STATE_DOWN);
1928 mutex_unlock(&mdev->state_lock);
1933 mlx4_en_set_rx_mode(dev);
1937 error = ifmedia_ioctl(dev, ifr, &priv->media, command);
1940 mutex_lock(&mdev->state_lock);
1941 mask = ifr->ifr_reqcap ^ dev->if_capenable;
1942 if (mask & IFCAP_TXCSUM) {
1943 dev->if_capenable ^= IFCAP_TXCSUM;
1944 dev->if_hwassist ^= (CSUM_TCP | CSUM_UDP | CSUM_IP);
1946 if (IFCAP_TSO4 & dev->if_capenable &&
1947 !(IFCAP_TXCSUM & dev->if_capenable)) {
1948 dev->if_capenable &= ~IFCAP_TSO4;
1949 dev->if_hwassist &= ~CSUM_TSO;
1951 "tso4 disabled due to -txcsum.\n");
1954 if (mask & IFCAP_TXCSUM_IPV6) {
1955 dev->if_capenable ^= IFCAP_TXCSUM_IPV6;
1956 dev->if_hwassist ^= (CSUM_UDP_IPV6 | CSUM_TCP_IPV6);
1958 if (IFCAP_TSO6 & dev->if_capenable &&
1959 !(IFCAP_TXCSUM_IPV6 & dev->if_capenable)) {
1960 dev->if_capenable &= ~IFCAP_TSO6;
1961 dev->if_hwassist &= ~CSUM_TSO;
1963 "tso6 disabled due to -txcsum6.\n");
1966 if (mask & IFCAP_RXCSUM)
1967 dev->if_capenable ^= IFCAP_RXCSUM;
1968 if (mask & IFCAP_RXCSUM_IPV6)
1969 dev->if_capenable ^= IFCAP_RXCSUM_IPV6;
1971 if (mask & IFCAP_TSO4) {
1972 if (!(IFCAP_TSO4 & dev->if_capenable) &&
1973 !(IFCAP_TXCSUM & dev->if_capenable)) {
1974 if_printf(dev, "enable txcsum first.\n");
1978 dev->if_capenable ^= IFCAP_TSO4;
1980 if (mask & IFCAP_TSO6) {
1981 if (!(IFCAP_TSO6 & dev->if_capenable) &&
1982 !(IFCAP_TXCSUM_IPV6 & dev->if_capenable)) {
1983 if_printf(dev, "enable txcsum6 first.\n");
1987 dev->if_capenable ^= IFCAP_TSO6;
1989 if (dev->if_capenable & (IFCAP_TSO4 | IFCAP_TSO6))
1990 dev->if_hwassist |= CSUM_TSO;
1992 dev->if_hwassist &= ~CSUM_TSO;
1993 if (mask & IFCAP_LRO)
1994 dev->if_capenable ^= IFCAP_LRO;
1995 if (mask & IFCAP_VLAN_HWTAGGING)
1996 dev->if_capenable ^= IFCAP_VLAN_HWTAGGING;
1997 if (mask & IFCAP_VLAN_HWFILTER)
1998 dev->if_capenable ^= IFCAP_VLAN_HWFILTER;
1999 if (mask & IFCAP_WOL_MAGIC)
2000 dev->if_capenable ^= IFCAP_WOL_MAGIC;
2001 if (dev->if_drv_flags & IFF_DRV_RUNNING)
2002 mlx4_en_start_port(dev);
2004 mutex_unlock(&mdev->state_lock);
2005 VLAN_CAPABILITIES(dev);
2007 #if __FreeBSD_version >= 1100036
2009 struct ifi2creq i2c;
2011 error = copyin(ifr->ifr_data, &i2c, sizeof(i2c));
2014 if (i2c.len > sizeof(i2c.data)) {
2019 * Note that we ignore i2c.addr here. The driver hardcodes
2020 * the address to 0x50, while standard expects it to be 0xA0.
2022 error = mlx4_get_module_info(mdev->dev, priv->port,
2023 i2c.offset, i2c.len, i2c.data);
2028 error = copyout(&i2c, ifr->ifr_data, sizeof(i2c));
2033 error = ether_ioctl(dev, command, data);
2041 int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
2042 struct mlx4_en_port_profile *prof)
2044 struct net_device *dev;
2045 struct mlx4_en_priv *priv;
2046 uint8_t dev_addr[ETHER_ADDR_LEN];
2050 priv = kzalloc(sizeof(*priv), GFP_KERNEL);
2051 dev = priv->dev = if_alloc(IFT_ETHER);
2053 en_err(priv, "Net device allocation failed\n");
2057 dev->if_softc = priv;
2058 if_initname(dev, "mlxen", atomic_fetchadd_int(&mlx4_en_unit, 1));
2059 dev->if_mtu = ETHERMTU;
2060 dev->if_init = mlx4_en_open;
2061 dev->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
2062 dev->if_ioctl = mlx4_en_ioctl;
2063 dev->if_transmit = mlx4_en_transmit;
2064 dev->if_qflush = mlx4_en_qflush;
2065 dev->if_snd.ifq_maxlen = prof->tx_ring_size;
2068 * Initialize driver private data
2070 priv->counter_index = 0xff;
2071 spin_lock_init(&priv->stats_lock);
2072 INIT_WORK(&priv->rx_mode_task, mlx4_en_do_set_rx_mode);
2073 INIT_WORK(&priv->watchdog_task, mlx4_en_restart);
2074 INIT_WORK(&priv->linkstate_task, mlx4_en_linkstate);
2075 INIT_DELAYED_WORK(&priv->stats_task, mlx4_en_do_get_stats);
2076 INIT_DELAYED_WORK(&priv->service_task, mlx4_en_service_task);
2077 callout_init(&priv->watchdog_timer, 1);
2078 #ifdef CONFIG_RFS_ACCEL
2079 INIT_LIST_HEAD(&priv->filters);
2080 spin_lock_init(&priv->filters_lock);
2083 priv->msg_enable = MLX4_EN_MSG_LEVEL;
2086 priv->ddev = &mdev->pdev->dev;
2089 priv->port_up = false;
2090 priv->flags = prof->flags;
2092 priv->num_tx_rings_p_up = mdev->profile.num_tx_rings_p_up;
2093 priv->tx_ring_num = prof->tx_ring_num;
2094 priv->tx_ring = kcalloc(MAX_TX_RINGS,
2095 sizeof(struct mlx4_en_tx_ring *), GFP_KERNEL);
2096 if (!priv->tx_ring) {
2100 priv->tx_cq = kcalloc(sizeof(struct mlx4_en_cq *), MAX_TX_RINGS,
2107 priv->rx_ring_num = prof->rx_ring_num;
2108 priv->cqe_factor = (mdev->dev->caps.cqe_size == 64) ? 1 : 0;
2109 priv->mac_index = -1;
2110 priv->last_ifq_jiffies = 0;
2111 priv->if_counters_rx_errors = 0;
2112 priv->if_counters_rx_no_buffer = 0;
2113 #ifdef CONFIG_MLX4_EN_DCB
2114 if (!mlx4_is_slave(priv->mdev->dev)) {
2115 priv->dcbx_cap = DCB_CAP_DCBX_HOST;
2116 priv->flags |= MLX4_EN_FLAG_DCB_ENABLED;
2117 if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ETS_CFG) {
2118 dev->dcbnl_ops = &mlx4_en_dcbnl_ops;
2120 en_info(priv, "QoS disabled - no HW support\n");
2121 dev->dcbnl_ops = &mlx4_en_dcbnl_pfc_ops;
2126 for (i = 0; i < MLX4_EN_MAC_HASH_SIZE; ++i)
2127 INIT_HLIST_HEAD(&priv->mac_hash[i]);
2129 /* Query for default mac and max mtu */
2130 priv->max_mtu = mdev->dev->caps.eth_mtu_cap[priv->port];
2131 priv->mac = mdev->dev->caps.def_mac[priv->port];
2132 if (ILLEGAL_MAC(priv->mac)) {
2133 #if BITS_PER_LONG == 64
2134 en_err(priv, "Port: %d, invalid mac burned: 0x%lx, quiting\n",
2135 priv->port, priv->mac);
2136 #elif BITS_PER_LONG == 32
2137 en_err(priv, "Port: %d, invalid mac burned: 0x%llx, quiting\n",
2138 priv->port, priv->mac);
2144 priv->stride = roundup_pow_of_two(sizeof(struct mlx4_en_rx_desc) +
2147 mlx4_en_sysctl_conf(priv);
2149 err = mlx4_en_alloc_resources(priv);
2153 /* Allocate page for receive rings */
2154 err = mlx4_alloc_hwq_res(mdev->dev, &priv->res,
2155 MLX4_EN_PAGE_SIZE, MLX4_EN_PAGE_SIZE);
2157 en_err(priv, "Failed to allocate page for rx qps\n");
2160 priv->allocated = 1;
2163 * Set driver features
2165 dev->if_capabilities |= IFCAP_HWCSUM | IFCAP_HWCSUM_IPV6;
2166 dev->if_capabilities |= IFCAP_VLAN_MTU | IFCAP_VLAN_HWTAGGING;
2167 dev->if_capabilities |= IFCAP_VLAN_HWCSUM | IFCAP_VLAN_HWFILTER;
2168 dev->if_capabilities |= IFCAP_LINKSTATE | IFCAP_JUMBO_MTU;
2169 dev->if_capabilities |= IFCAP_LRO;
2171 if (mdev->LSO_support)
2172 dev->if_capabilities |= IFCAP_TSO4 | IFCAP_TSO6 | IFCAP_VLAN_HWTSO;
2174 /* set TSO limits so that we don't have to drop TX packets */
2175 dev->if_hw_tsomax = MLX4_EN_TX_MAX_PAYLOAD_SIZE - (ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN) /* hdr */;
2176 dev->if_hw_tsomaxsegcount = MLX4_EN_TX_MAX_MBUF_FRAGS - 1 /* hdr */;
2177 dev->if_hw_tsomaxsegsize = MLX4_EN_TX_MAX_MBUF_SIZE;
2179 dev->if_capenable = dev->if_capabilities;
2181 dev->if_hwassist = 0;
2182 if (dev->if_capenable & (IFCAP_TSO4 | IFCAP_TSO6))
2183 dev->if_hwassist |= CSUM_TSO;
2184 if (dev->if_capenable & IFCAP_TXCSUM)
2185 dev->if_hwassist |= (CSUM_TCP | CSUM_UDP | CSUM_IP);
2186 if (dev->if_capenable & IFCAP_TXCSUM_IPV6)
2187 dev->if_hwassist |= (CSUM_UDP_IPV6 | CSUM_TCP_IPV6);
2190 /* Register for VLAN events */
2191 priv->vlan_attach = EVENTHANDLER_REGISTER(vlan_config,
2192 mlx4_en_vlan_rx_add_vid, priv, EVENTHANDLER_PRI_FIRST);
2193 priv->vlan_detach = EVENTHANDLER_REGISTER(vlan_unconfig,
2194 mlx4_en_vlan_rx_kill_vid, priv, EVENTHANDLER_PRI_FIRST);
2196 mdev->pndev[priv->port] = dev;
2198 priv->last_link_state = MLX4_DEV_EVENT_PORT_DOWN;
2199 mlx4_en_set_default_moderation(priv);
2201 /* Set default MAC */
2202 for (i = 0; i < ETHER_ADDR_LEN; i++)
2203 dev_addr[ETHER_ADDR_LEN - 1 - i] = (u8) (priv->mac >> (8 * i));
2206 ether_ifattach(dev, dev_addr);
2207 if_link_state_change(dev, LINK_STATE_DOWN);
2208 ifmedia_init(&priv->media, IFM_IMASK | IFM_ETH_FMASK,
2209 mlx4_en_media_change, mlx4_en_media_status);
2210 ifmedia_add(&priv->media, IFM_ETHER | IFM_FDX | IFM_1000_T, 0, NULL);
2211 ifmedia_add(&priv->media, IFM_ETHER | IFM_FDX | IFM_10G_SR, 0, NULL);
2212 ifmedia_add(&priv->media, IFM_ETHER | IFM_FDX | IFM_10G_CX4, 0, NULL);
2213 ifmedia_add(&priv->media, IFM_ETHER | IFM_FDX | IFM_40G_CR4, 0, NULL);
2214 ifmedia_add(&priv->media, IFM_ETHER | IFM_AUTO, 0, NULL);
2215 ifmedia_set(&priv->media, IFM_ETHER | IFM_AUTO);
2217 en_warn(priv, "Using %d TX rings\n", prof->tx_ring_num);
2218 en_warn(priv, "Using %d RX rings\n", prof->rx_ring_num);
2220 priv->registered = 1;
2222 en_warn(priv, "Using %d TX rings\n", prof->tx_ring_num);
2223 en_warn(priv, "Using %d RX rings\n", prof->rx_ring_num);
2226 priv->rx_mb_size = dev->if_mtu + ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN;
2227 err = mlx4_SET_PORT_general(mdev->dev, priv->port,
2229 prof->tx_pause, prof->tx_ppp,
2230 prof->rx_pause, prof->rx_ppp);
2232 en_err(priv, "Failed setting port general configurations "
2233 "for port %d, with error %d\n", priv->port, err);
2238 en_warn(priv, "Initializing port\n");
2239 err = mlx4_INIT_PORT(mdev->dev, priv->port);
2241 en_err(priv, "Failed Initializing port\n");
2245 queue_delayed_work(mdev->workqueue, &priv->stats_task, STATS_DELAY);
2247 if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS)
2248 queue_delayed_work(mdev->workqueue, &priv->service_task, SERVICE_TASK_DELAY);
2253 mlx4_en_destroy_netdev(dev);
2257 static int mlx4_en_set_ring_size(struct net_device *dev,
2258 int rx_size, int tx_size)
2260 struct mlx4_en_priv *priv = netdev_priv(dev);
2261 struct mlx4_en_dev *mdev = priv->mdev;
2265 rx_size = roundup_pow_of_two(rx_size);
2266 rx_size = max_t(u32, rx_size, MLX4_EN_MIN_RX_SIZE);
2267 rx_size = min_t(u32, rx_size, MLX4_EN_MAX_RX_SIZE);
2268 tx_size = roundup_pow_of_two(tx_size);
2269 tx_size = max_t(u32, tx_size, MLX4_EN_MIN_TX_SIZE);
2270 tx_size = min_t(u32, tx_size, MLX4_EN_MAX_TX_SIZE);
2272 if (rx_size == (priv->port_up ?
2273 priv->rx_ring[0]->actual_size : priv->rx_ring[0]->size) &&
2274 tx_size == priv->tx_ring[0]->size)
2276 mutex_lock(&mdev->state_lock);
2277 if (priv->port_up) {
2279 mlx4_en_stop_port(dev);
2281 mlx4_en_free_resources(priv);
2282 priv->prof->tx_ring_size = tx_size;
2283 priv->prof->rx_ring_size = rx_size;
2284 err = mlx4_en_alloc_resources(priv);
2286 en_err(priv, "Failed reallocating port resources\n");
2290 err = mlx4_en_start_port(dev);
2292 en_err(priv, "Failed starting port\n");
2295 mutex_unlock(&mdev->state_lock);
2298 static int mlx4_en_set_rx_ring_size(SYSCTL_HANDLER_ARGS)
2300 struct mlx4_en_priv *priv;
2305 size = priv->prof->rx_ring_size;
2306 error = sysctl_handle_int(oidp, &size, 0, req);
2307 if (error || !req->newptr)
2309 error = -mlx4_en_set_ring_size(priv->dev, size,
2310 priv->prof->tx_ring_size);
2314 static int mlx4_en_set_tx_ring_size(SYSCTL_HANDLER_ARGS)
2316 struct mlx4_en_priv *priv;
2321 size = priv->prof->tx_ring_size;
2322 error = sysctl_handle_int(oidp, &size, 0, req);
2323 if (error || !req->newptr)
2325 error = -mlx4_en_set_ring_size(priv->dev, priv->prof->rx_ring_size,
2331 static int mlx4_en_get_module_info(struct net_device *dev,
2332 struct ethtool_modinfo *modinfo)
2334 struct mlx4_en_priv *priv = netdev_priv(dev);
2335 struct mlx4_en_dev *mdev = priv->mdev;
2339 /* Read first 2 bytes to get Module & REV ID */
2340 ret = mlx4_get_module_info(mdev->dev, priv->port,
2341 0/*offset*/, 2/*size*/, data);
2344 en_err(priv, "Failed to read eeprom module first two bytes, error: 0x%x\n", -ret);
2348 switch (data[0] /* identifier */) {
2349 case MLX4_MODULE_ID_QSFP:
2350 modinfo->type = ETH_MODULE_SFF_8436;
2351 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
2353 case MLX4_MODULE_ID_QSFP_PLUS:
2354 if (data[1] >= 0x3) { /* revision id */
2355 modinfo->type = ETH_MODULE_SFF_8636;
2356 modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
2358 modinfo->type = ETH_MODULE_SFF_8436;
2359 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
2362 case MLX4_MODULE_ID_QSFP28:
2363 modinfo->type = ETH_MODULE_SFF_8636;
2364 modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
2366 case MLX4_MODULE_ID_SFP:
2367 modinfo->type = ETH_MODULE_SFF_8472;
2368 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
2371 en_err(priv, "mlx4_en_get_module_info : Not recognized cable type\n");
2378 static int mlx4_en_get_module_eeprom(struct net_device *dev,
2379 struct ethtool_eeprom *ee,
2382 struct mlx4_en_priv *priv = netdev_priv(dev);
2383 struct mlx4_en_dev *mdev = priv->mdev;
2384 int offset = ee->offset;
2390 memset(data, 0, ee->len);
2392 while (i < ee->len) {
2394 "mlx4_get_module_info i(%d) offset(%d) len(%d)\n",
2395 i, offset, ee->len - i);
2397 ret = mlx4_get_module_info(mdev->dev, priv->port,
2398 offset, ee->len - i, data + i);
2400 if (!ret) /* Done reading */
2405 "mlx4_get_module_info i(%d) offset(%d) bytes_to_read(%d) - FAILED (0x%x)\n",
2406 i, offset, ee->len - i, ret);
2416 static void mlx4_en_print_eeprom(u8 *data, __u32 len)
2421 const int NUM_OF_BYTES = 16;
2423 printf("\nOffset\t\tValues\n");
2424 printf("------\t\t------\n");
2426 printf("0x%04x\t\t",row);
2427 for(i=0; i < NUM_OF_BYTES; i++){
2428 printf("%02x ", data[j]);
2436 /* Read cable EEPROM module information by first inspecting the first
2437 * two bytes to get the length and then read the rest of the information.
2438 * The information is printed to dmesg. */
2439 static int mlx4_en_read_eeprom(SYSCTL_HANDLER_ARGS)
2445 struct mlx4_en_priv *priv;
2446 struct net_device *dev;
2447 struct ethtool_modinfo modinfo;
2448 struct ethtool_eeprom ee;
2450 error = sysctl_handle_int(oidp, &result, 0, req);
2451 if (error || !req->newptr)
2457 data = kmalloc(PAGE_SIZE, GFP_KERNEL);
2459 error = mlx4_en_get_module_info(dev, &modinfo);
2462 "mlx4_en_get_module_info returned with error - FAILED (0x%x)\n",
2467 ee.len = modinfo.eeprom_len;
2470 error = mlx4_en_get_module_eeprom(dev, &ee, data);
2473 "mlx4_en_get_module_eeprom returned with error - FAILED (0x%x)\n",
2475 /* Continue printing partial information in case of an error */
2478 /* EEPROM information will be printed in dmesg */
2479 mlx4_en_print_eeprom(data, ee.len);
2483 /* Return zero to prevent sysctl failure. */
2487 static int mlx4_en_set_tx_ppp(SYSCTL_HANDLER_ARGS)
2489 struct mlx4_en_priv *priv;
2494 ppp = priv->prof->tx_ppp;
2495 error = sysctl_handle_int(oidp, &ppp, 0, req);
2496 if (error || !req->newptr)
2498 if (ppp > 0xff || ppp < 0)
2500 priv->prof->tx_ppp = ppp;
2501 error = -mlx4_SET_PORT_general(priv->mdev->dev, priv->port,
2502 priv->rx_mb_size + ETHER_CRC_LEN,
2503 priv->prof->tx_pause,
2505 priv->prof->rx_pause,
2506 priv->prof->rx_ppp);
2511 static int mlx4_en_set_rx_ppp(SYSCTL_HANDLER_ARGS)
2513 struct mlx4_en_priv *priv;
2514 struct mlx4_en_dev *mdev;
2522 ppp = priv->prof->rx_ppp;
2523 error = sysctl_handle_int(oidp, &ppp, 0, req);
2524 if (error || !req->newptr)
2526 if (ppp > 0xff || ppp < 0)
2528 /* See if we have to change the number of tx queues. */
2529 if (!ppp != !priv->prof->rx_ppp) {
2530 mutex_lock(&mdev->state_lock);
2531 if (priv->port_up) {
2533 mlx4_en_stop_port(priv->dev);
2535 mlx4_en_free_resources(priv);
2536 priv->prof->rx_ppp = ppp;
2537 error = -mlx4_en_alloc_resources(priv);
2539 en_err(priv, "Failed reallocating port resources\n");
2540 if (error == 0 && port_up) {
2541 error = -mlx4_en_start_port(priv->dev);
2543 en_err(priv, "Failed starting port\n");
2545 mutex_unlock(&mdev->state_lock);
2549 priv->prof->rx_ppp = ppp;
2550 error = -mlx4_SET_PORT_general(priv->mdev->dev, priv->port,
2551 priv->rx_mb_size + ETHER_CRC_LEN,
2552 priv->prof->tx_pause,
2554 priv->prof->rx_pause,
2555 priv->prof->rx_ppp);
2560 static void mlx4_en_sysctl_conf(struct mlx4_en_priv *priv)
2562 struct net_device *dev;
2563 struct sysctl_ctx_list *ctx;
2564 struct sysctl_oid *node;
2565 struct sysctl_oid_list *node_list;
2566 struct sysctl_oid *coal;
2567 struct sysctl_oid_list *coal_list;
2568 const char *pnameunit;
2571 ctx = &priv->conf_ctx;
2572 pnameunit = device_get_nameunit(priv->mdev->pdev->dev.bsddev);
2574 sysctl_ctx_init(ctx);
2575 priv->conf_sysctl = SYSCTL_ADD_NODE(ctx, SYSCTL_STATIC_CHILDREN(_hw),
2576 OID_AUTO, dev->if_xname, CTLFLAG_RD, 0, "mlx4 10gig ethernet");
2577 node = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(priv->conf_sysctl), OID_AUTO,
2578 "conf", CTLFLAG_RD, NULL, "Configuration");
2579 node_list = SYSCTL_CHILDREN(node);
2581 SYSCTL_ADD_UINT(ctx, node_list, OID_AUTO, "msg_enable",
2582 CTLFLAG_RW, &priv->msg_enable, 0,
2583 "Driver message enable bitfield");
2584 SYSCTL_ADD_UINT(ctx, node_list, OID_AUTO, "rx_rings",
2585 CTLFLAG_RD, &priv->rx_ring_num, 0,
2586 "Number of receive rings");
2587 SYSCTL_ADD_UINT(ctx, node_list, OID_AUTO, "tx_rings",
2588 CTLFLAG_RD, &priv->tx_ring_num, 0,
2589 "Number of transmit rings");
2590 SYSCTL_ADD_PROC(ctx, node_list, OID_AUTO, "rx_size",
2591 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, priv, 0,
2592 mlx4_en_set_rx_ring_size, "I", "Receive ring size");
2593 SYSCTL_ADD_PROC(ctx, node_list, OID_AUTO, "tx_size",
2594 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, priv, 0,
2595 mlx4_en_set_tx_ring_size, "I", "Transmit ring size");
2596 SYSCTL_ADD_PROC(ctx, node_list, OID_AUTO, "tx_ppp",
2597 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, priv, 0,
2598 mlx4_en_set_tx_ppp, "I", "TX Per-priority pause");
2599 SYSCTL_ADD_PROC(ctx, node_list, OID_AUTO, "rx_ppp",
2600 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, priv, 0,
2601 mlx4_en_set_rx_ppp, "I", "RX Per-priority pause");
2602 SYSCTL_ADD_UINT(ctx, node_list, OID_AUTO, "port_num",
2603 CTLFLAG_RD, &priv->port, 0,
2605 SYSCTL_ADD_STRING(ctx, node_list, OID_AUTO, "device_name",
2606 CTLFLAG_RD, __DECONST(void *, pnameunit), 0,
2609 /* Add coalescer configuration. */
2610 coal = SYSCTL_ADD_NODE(ctx, node_list, OID_AUTO,
2611 "coalesce", CTLFLAG_RD, NULL, "Interrupt coalesce configuration");
2612 coal_list = SYSCTL_CHILDREN(coal);
2613 SYSCTL_ADD_UINT(ctx, coal_list, OID_AUTO, "pkt_rate_low",
2614 CTLFLAG_RW, &priv->pkt_rate_low, 0,
2615 "Packets per-second for minimum delay");
2616 SYSCTL_ADD_UINT(ctx, coal_list, OID_AUTO, "rx_usecs_low",
2617 CTLFLAG_RW, &priv->rx_usecs_low, 0,
2618 "Minimum RX delay in micro-seconds");
2619 SYSCTL_ADD_UINT(ctx, coal_list, OID_AUTO, "pkt_rate_high",
2620 CTLFLAG_RW, &priv->pkt_rate_high, 0,
2621 "Packets per-second for maximum delay");
2622 SYSCTL_ADD_UINT(ctx, coal_list, OID_AUTO, "rx_usecs_high",
2623 CTLFLAG_RW, &priv->rx_usecs_high, 0,
2624 "Maximum RX delay in micro-seconds");
2625 SYSCTL_ADD_UINT(ctx, coal_list, OID_AUTO, "sample_interval",
2626 CTLFLAG_RW, &priv->sample_interval, 0,
2627 "adaptive frequency in units of HZ ticks");
2628 SYSCTL_ADD_UINT(ctx, coal_list, OID_AUTO, "adaptive_rx_coal",
2629 CTLFLAG_RW, &priv->adaptive_rx_coal, 0,
2630 "Enable adaptive rx coalescing");
2631 /* EEPROM support */
2632 SYSCTL_ADD_PROC(ctx, node_list, OID_AUTO, "eeprom_info",
2633 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, priv, 0,
2634 mlx4_en_read_eeprom, "I", "EEPROM information");
2637 static void mlx4_en_sysctl_stat(struct mlx4_en_priv *priv)
2639 struct sysctl_ctx_list *ctx;
2640 struct sysctl_oid_list *node_list;
2641 struct sysctl_oid *ring_node;
2642 struct sysctl_oid_list *ring_list;
2643 struct mlx4_en_tx_ring *tx_ring;
2644 struct mlx4_en_rx_ring *rx_ring;
2648 ctx = &priv->stat_ctx;
2649 sysctl_ctx_init(ctx);
2650 priv->stat_sysctl = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(priv->conf_sysctl), OID_AUTO,
2651 "stat", CTLFLAG_RD, NULL, "Statistics");
2652 node_list = SYSCTL_CHILDREN(priv->stat_sysctl);
2654 #ifdef MLX4_EN_PERF_STAT
2655 SYSCTL_ADD_UINT(ctx, node_list, OID_AUTO, "tx_poll", CTLFLAG_RD,
2656 &priv->pstats.tx_poll, "TX Poll calls");
2657 SYSCTL_ADD_QUAD(ctx, node_list, OID_AUTO, "tx_pktsz_avg", CTLFLAG_RD,
2658 &priv->pstats.tx_pktsz_avg, "TX average packet size");
2659 SYSCTL_ADD_UINT(ctx, node_list, OID_AUTO, "inflight_avg", CTLFLAG_RD,
2660 &priv->pstats.inflight_avg, "TX average packets in-flight");
2661 SYSCTL_ADD_UINT(ctx, node_list, OID_AUTO, "tx_coal_avg", CTLFLAG_RD,
2662 &priv->pstats.tx_coal_avg, "TX average coalesced completions");
2663 SYSCTL_ADD_UINT(ctx, node_list, OID_AUTO, "rx_coal_avg", CTLFLAG_RD,
2664 &priv->pstats.rx_coal_avg, "RX average coalesced completions");
2667 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "tso_packets", CTLFLAG_RD,
2668 &priv->port_stats.tso_packets, "TSO packets sent");
2669 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "queue_stopped", CTLFLAG_RD,
2670 &priv->port_stats.queue_stopped, "Queue full");
2671 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "wake_queue", CTLFLAG_RD,
2672 &priv->port_stats.wake_queue, "Queue resumed after full");
2673 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "tx_timeout", CTLFLAG_RD,
2674 &priv->port_stats.tx_timeout, "Transmit timeouts");
2675 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "tx_oversized_packets", CTLFLAG_RD,
2676 &priv->port_stats.oversized_packets, "TX oversized packets, m_defrag failed");
2677 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_alloc_failed", CTLFLAG_RD,
2678 &priv->port_stats.rx_alloc_failed, "RX failed to allocate mbuf");
2679 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_chksum_good", CTLFLAG_RD,
2680 &priv->port_stats.rx_chksum_good, "RX checksum offload success");
2681 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_chksum_none", CTLFLAG_RD,
2682 &priv->port_stats.rx_chksum_none, "RX without checksum offload");
2683 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "tx_chksum_offload",
2684 CTLFLAG_RD, &priv->port_stats.tx_chksum_offload,
2685 "TX checksum offloads");
2687 /* Could strdup the names and add in a loop. This is simpler. */
2688 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_bytes", CTLFLAG_RD,
2689 &priv->pkstats.rx_bytes, "RX Bytes");
2690 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_packets", CTLFLAG_RD,
2691 &priv->pkstats.rx_packets, "RX packets");
2692 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_multicast_packets", CTLFLAG_RD,
2693 &priv->pkstats.rx_multicast_packets, "RX Multicast Packets");
2694 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_broadcast_packets", CTLFLAG_RD,
2695 &priv->pkstats.rx_broadcast_packets, "RX Broadcast Packets");
2696 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_errors", CTLFLAG_RD,
2697 &priv->pkstats.rx_errors, "RX Errors");
2698 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_dropped", CTLFLAG_RD,
2699 &priv->pkstats.rx_dropped, "RX Dropped");
2700 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_length_errors", CTLFLAG_RD,
2701 &priv->pkstats.rx_length_errors, "RX Length Errors");
2702 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_over_errors", CTLFLAG_RD,
2703 &priv->pkstats.rx_over_errors, "RX Over Errors");
2704 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_crc_errors", CTLFLAG_RD,
2705 &priv->pkstats.rx_crc_errors, "RX CRC Errors");
2706 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_jabbers", CTLFLAG_RD,
2707 &priv->pkstats.rx_jabbers, "RX Jabbers");
2710 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_in_range_length_error", CTLFLAG_RD,
2711 &priv->pkstats.rx_in_range_length_error, "RX IN_Range Length Error");
2712 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_out_range_length_error",
2713 CTLFLAG_RD, &priv->pkstats.rx_out_range_length_error,
2714 "RX Out Range Length Error");
2715 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_lt_64_bytes_packets", CTLFLAG_RD,
2716 &priv->pkstats.rx_lt_64_bytes_packets, "RX Lt 64 Bytes Packets");
2717 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_127_bytes_packets", CTLFLAG_RD,
2718 &priv->pkstats.rx_127_bytes_packets, "RX 127 bytes Packets");
2719 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_255_bytes_packets", CTLFLAG_RD,
2720 &priv->pkstats.rx_255_bytes_packets, "RX 255 bytes Packets");
2721 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_511_bytes_packets", CTLFLAG_RD,
2722 &priv->pkstats.rx_511_bytes_packets, "RX 511 bytes Packets");
2723 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_1023_bytes_packets", CTLFLAG_RD,
2724 &priv->pkstats.rx_1023_bytes_packets, "RX 1023 bytes Packets");
2725 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_1518_bytes_packets", CTLFLAG_RD,
2726 &priv->pkstats.rx_1518_bytes_packets, "RX 1518 bytes Packets");
2727 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_1522_bytes_packets", CTLFLAG_RD,
2728 &priv->pkstats.rx_1522_bytes_packets, "RX 1522 bytes Packets");
2729 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_1548_bytes_packets", CTLFLAG_RD,
2730 &priv->pkstats.rx_1548_bytes_packets, "RX 1548 bytes Packets");
2731 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_gt_1548_bytes_packets", CTLFLAG_RD,
2732 &priv->pkstats.rx_gt_1548_bytes_packets,
2733 "RX Greater Then 1548 bytes Packets");
2735 struct mlx4_en_pkt_stats {
2736 unsigned long tx_packets;
2737 unsigned long tx_bytes;
2738 unsigned long tx_multicast_packets;
2739 unsigned long tx_broadcast_packets;
2740 unsigned long tx_errors;
2741 unsigned long tx_dropped;
2742 unsigned long tx_lt_64_bytes_packets;
2743 unsigned long tx_127_bytes_packets;
2744 unsigned long tx_255_bytes_packets;
2745 unsigned long tx_511_bytes_packets;
2746 unsigned long tx_1023_bytes_packets;
2747 unsigned long tx_1518_bytes_packets;
2748 unsigned long tx_1522_bytes_packets;
2749 unsigned long tx_1548_bytes_packets;
2750 unsigned long tx_gt_1548_bytes_packets;
2751 unsigned long rx_prio[NUM_PRIORITIES][NUM_PRIORITY_STATS];
2752 unsigned long tx_prio[NUM_PRIORITIES][NUM_PRIORITY_STATS];
2753 #define NUM_PKT_STATS 72
2757 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "tx_packets", CTLFLAG_RD,
2758 &priv->pkstats.tx_packets, "TX packets");
2759 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "tx_bytes", CTLFLAG_RD,
2760 &priv->pkstats.tx_bytes, "TX Bytes");
2761 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "tx_multicast_packets", CTLFLAG_RD,
2762 &priv->pkstats.tx_multicast_packets, "TX Multicast Packets");
2763 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "tx_broadcast_packets", CTLFLAG_RD,
2764 &priv->pkstats.tx_broadcast_packets, "TX Broadcast Packets");
2765 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "tx_errors", CTLFLAG_RD,
2766 &priv->pkstats.tx_errors, "TX Errors");
2767 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "tx_dropped", CTLFLAG_RD,
2768 &priv->pkstats.tx_dropped, "TX Dropped");
2769 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "tx_lt_64_bytes_packets", CTLFLAG_RD,
2770 &priv->pkstats.tx_lt_64_bytes_packets, "TX Less Then 64 Bytes Packets");
2771 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "tx_127_bytes_packets", CTLFLAG_RD,
2772 &priv->pkstats.tx_127_bytes_packets, "TX 127 Bytes Packets");
2773 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "tx_255_bytes_packets", CTLFLAG_RD,
2774 &priv->pkstats.tx_255_bytes_packets, "TX 255 Bytes Packets");
2775 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "tx_511_bytes_packets", CTLFLAG_RD,
2776 &priv->pkstats.tx_511_bytes_packets, "TX 511 Bytes Packets");
2777 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "tx_1023_bytes_packets", CTLFLAG_RD,
2778 &priv->pkstats.tx_1023_bytes_packets, "TX 1023 Bytes Packets");
2779 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "tx_1518_bytes_packets", CTLFLAG_RD,
2780 &priv->pkstats.tx_1518_bytes_packets, "TX 1518 Bytes Packets");
2781 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "tx_1522_bytes_packets", CTLFLAG_RD,
2782 &priv->pkstats.tx_1522_bytes_packets, "TX 1522 Bytes Packets");
2783 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "tx_1548_bytes_packets", CTLFLAG_RD,
2784 &priv->pkstats.tx_1548_bytes_packets, "TX 1548 Bytes Packets");
2785 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "tx_gt_1548_bytes_packets", CTLFLAG_RD,
2786 &priv->pkstats.tx_gt_1548_bytes_packets,
2787 "TX Greater Then 1548 Bytes Packets");
2791 for (i = 0; i < priv->tx_ring_num; i++) {
2792 tx_ring = priv->tx_ring[i];
2793 snprintf(namebuf, sizeof(namebuf), "tx_ring%d", i);
2794 ring_node = SYSCTL_ADD_NODE(ctx, node_list, OID_AUTO, namebuf,
2795 CTLFLAG_RD, NULL, "TX Ring");
2796 ring_list = SYSCTL_CHILDREN(ring_node);
2797 SYSCTL_ADD_ULONG(ctx, ring_list, OID_AUTO, "packets",
2798 CTLFLAG_RD, &tx_ring->packets, "TX packets");
2799 SYSCTL_ADD_ULONG(ctx, ring_list, OID_AUTO, "bytes",
2800 CTLFLAG_RD, &tx_ring->bytes, "TX bytes");
2803 for (i = 0; i < priv->rx_ring_num; i++) {
2804 rx_ring = priv->rx_ring[i];
2805 snprintf(namebuf, sizeof(namebuf), "rx_ring%d", i);
2806 ring_node = SYSCTL_ADD_NODE(ctx, node_list, OID_AUTO, namebuf,
2807 CTLFLAG_RD, NULL, "RX Ring");
2808 ring_list = SYSCTL_CHILDREN(ring_node);
2809 SYSCTL_ADD_ULONG(ctx, ring_list, OID_AUTO, "packets",
2810 CTLFLAG_RD, &rx_ring->packets, "RX packets");
2811 SYSCTL_ADD_ULONG(ctx, ring_list, OID_AUTO, "bytes",
2812 CTLFLAG_RD, &rx_ring->bytes, "RX bytes");
2813 SYSCTL_ADD_ULONG(ctx, ring_list, OID_AUTO, "error",
2814 CTLFLAG_RD, &rx_ring->errors, "RX soft errors");