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 priv->rx_alloc_size = max_t(int, 2 * roundup_pow_of_two(priv->rx_mb_size),
1249 priv->rx_alloc_order = get_order(priv->rx_alloc_size);
1250 priv->rx_buf_size = roundup_pow_of_two(priv->rx_mb_size);
1251 en_dbg(DRV, priv, "Rx buf size:%d\n", priv->rx_mb_size);
1253 /* Configure rx cq's and rings */
1254 err = mlx4_en_activate_rx_rings(priv);
1256 en_err(priv, "Failed to activate RX rings\n");
1259 for (i = 0; i < priv->rx_ring_num; i++) {
1260 cq = priv->rx_cq[i];
1262 mlx4_en_cq_init_lock(cq);
1263 err = mlx4_en_activate_cq(priv, cq, i);
1265 en_err(priv, "Failed activating Rx CQ\n");
1268 for (j = 0; j < cq->size; j++)
1269 cq->buf[j].owner_sr_opcode = MLX4_CQE_OWNER_MASK;
1270 err = mlx4_en_set_cq_moder(priv, cq);
1272 en_err(priv, "Failed setting cq moderation parameters");
1273 mlx4_en_deactivate_cq(priv, cq);
1276 mlx4_en_arm_cq(priv, cq);
1277 priv->rx_ring[i]->cqn = cq->mcq.cqn;
1282 en_dbg(DRV, priv, "Getting qp number for port %d\n", priv->port);
1283 err = mlx4_en_get_qp(priv);
1285 en_err(priv, "Failed getting eth qp\n");
1288 mdev->mac_removed[priv->port] = 0;
1290 /* gets default allocated counter index from func cap */
1291 /* or sink counter index if no resources */
1292 priv->counter_index = mdev->dev->caps.def_counter_index[priv->port - 1];
1294 en_dbg(DRV, priv, "%s: default counter index %d for port %d\n",
1295 __func__, priv->counter_index, priv->port);
1297 err = mlx4_en_config_rss_steer(priv);
1299 en_err(priv, "Failed configuring rss steering\n");
1303 err = mlx4_en_create_drop_qp(priv);
1307 /* Configure tx cq's and rings */
1308 for (i = 0; i < priv->tx_ring_num; i++) {
1310 cq = priv->tx_cq[i];
1311 err = mlx4_en_activate_cq(priv, cq, i);
1313 en_err(priv, "Failed activating Tx CQ\n");
1316 err = mlx4_en_set_cq_moder(priv, cq);
1318 en_err(priv, "Failed setting cq moderation parameters");
1319 mlx4_en_deactivate_cq(priv, cq);
1322 en_dbg(DRV, priv, "Resetting index of collapsed CQ:%d to -1\n", i);
1323 cq->buf->wqe_index = cpu_to_be16(0xffff);
1325 /* Configure ring */
1326 tx_ring = priv->tx_ring[i];
1328 err = mlx4_en_activate_tx_ring(priv, tx_ring, cq->mcq.cqn,
1329 i / priv->num_tx_rings_p_up);
1331 en_err(priv, "Failed activating Tx ring %d\n", i);
1332 mlx4_en_deactivate_cq(priv, cq);
1336 /* Arm CQ for TX completions */
1337 mlx4_en_arm_cq(priv, cq);
1339 /* Set initial ownership of all Tx TXBBs to SW (1) */
1340 for (j = 0; j < tx_ring->buf_size; j += STAMP_STRIDE)
1341 *((u32 *) (tx_ring->buf + j)) = 0xffffffff;
1345 /* Configure port */
1346 err = mlx4_SET_PORT_general(mdev->dev, priv->port,
1348 priv->prof->tx_pause,
1350 priv->prof->rx_pause,
1351 priv->prof->rx_ppp);
1353 en_err(priv, "Failed setting port general configurations for port %d, with error %d\n",
1357 /* Set default qp number */
1358 err = mlx4_SET_PORT_qpn_calc(mdev->dev, priv->port, priv->base_qpn, 0);
1360 en_err(priv, "Failed setting default qp numbers\n");
1365 en_dbg(HW, priv, "Initializing port\n");
1366 err = mlx4_INIT_PORT(mdev->dev, priv->port);
1368 en_err(priv, "Failed Initializing port\n");
1372 /* Attach rx QP to bradcast address */
1373 memset(&mc_list[10], 0xff, ETH_ALEN);
1374 mc_list[5] = priv->port; /* needed for B0 steering support */
1375 if (mlx4_multicast_attach(mdev->dev, &priv->rss_map.indir_qp, mc_list,
1376 priv->port, 0, MLX4_PROT_ETH,
1377 &priv->broadcast_id))
1378 mlx4_warn(mdev, "Failed Attaching Broadcast\n");
1380 /* Must redo promiscuous mode setup. */
1381 priv->flags &= ~(MLX4_EN_FLAG_PROMISC | MLX4_EN_FLAG_MC_PROMISC);
1383 /* Schedule multicast task to populate multicast list */
1384 queue_work(mdev->workqueue, &priv->rx_mode_task);
1386 mlx4_set_stats_bitmap(mdev->dev, priv->stats_bitmap);
1388 priv->port_up = true;
1390 /* Enable the queues. */
1391 dev->if_drv_flags &= ~IFF_DRV_OACTIVE;
1392 dev->if_drv_flags |= IFF_DRV_RUNNING;
1393 #ifdef CONFIG_DEBUG_FS
1394 mlx4_en_create_debug_files(priv);
1396 callout_reset(&priv->watchdog_timer, MLX4_EN_WATCHDOG_TIMEOUT,
1397 mlx4_en_watchdog_timeout, priv);
1403 while (tx_index--) {
1404 mlx4_en_deactivate_tx_ring(priv, priv->tx_ring[tx_index]);
1405 mlx4_en_deactivate_cq(priv, priv->tx_cq[tx_index]);
1407 mlx4_en_destroy_drop_qp(priv);
1409 mlx4_en_release_rss_steer(priv);
1411 mlx4_en_put_qp(priv);
1414 mlx4_en_deactivate_cq(priv, priv->rx_cq[rx_index]);
1415 for (i = 0; i < priv->rx_ring_num; i++)
1416 mlx4_en_deactivate_rx_ring(priv, priv->rx_ring[i]);
1418 return err; /* need to close devices */
1422 void mlx4_en_stop_port(struct net_device *dev)
1424 struct mlx4_en_priv *priv = netdev_priv(dev);
1425 struct mlx4_en_dev *mdev = priv->mdev;
1426 struct mlx4_en_mc_list *mclist, *tmp;
1428 u8 mc_list[16] = {0};
1430 if (!priv->port_up) {
1431 en_dbg(DRV, priv, "stop port called while port already down\n");
1435 #ifdef CONFIG_DEBUG_FS
1436 mlx4_en_delete_debug_files(priv);
1440 mlx4_CLOSE_PORT(mdev->dev, priv->port);
1442 /* Set port as not active */
1443 priv->port_up = false;
1444 if (priv->counter_index != 0xff) {
1445 mlx4_counter_free(mdev->dev, priv->port, priv->counter_index);
1446 priv->counter_index = 0xff;
1449 /* Promsicuous mode */
1450 if (mdev->dev->caps.steering_mode ==
1451 MLX4_STEERING_MODE_DEVICE_MANAGED) {
1452 priv->flags &= ~(MLX4_EN_FLAG_PROMISC |
1453 MLX4_EN_FLAG_MC_PROMISC);
1454 mlx4_flow_steer_promisc_remove(mdev->dev,
1456 MLX4_FS_ALL_DEFAULT);
1457 mlx4_flow_steer_promisc_remove(mdev->dev,
1459 MLX4_FS_MC_DEFAULT);
1460 } else if (priv->flags & MLX4_EN_FLAG_PROMISC) {
1461 priv->flags &= ~MLX4_EN_FLAG_PROMISC;
1463 /* Disable promiscouos mode */
1464 mlx4_unicast_promisc_remove(mdev->dev, priv->base_qpn,
1467 /* Disable Multicast promisc */
1468 if (priv->flags & MLX4_EN_FLAG_MC_PROMISC) {
1469 mlx4_multicast_promisc_remove(mdev->dev, priv->base_qpn,
1471 priv->flags &= ~MLX4_EN_FLAG_MC_PROMISC;
1475 /* Detach All multicasts */
1476 memset(&mc_list[10], 0xff, ETH_ALEN);
1477 mc_list[5] = priv->port; /* needed for B0 steering support */
1478 mlx4_multicast_detach(mdev->dev, &priv->rss_map.indir_qp, mc_list,
1479 MLX4_PROT_ETH, priv->broadcast_id);
1480 list_for_each_entry(mclist, &priv->curr_list, list) {
1481 memcpy(&mc_list[10], mclist->addr, ETH_ALEN);
1482 mc_list[5] = priv->port;
1483 mlx4_multicast_detach(mdev->dev, &priv->rss_map.indir_qp,
1484 mc_list, MLX4_PROT_ETH, mclist->reg_id);
1486 mlx4_en_clear_list(dev);
1487 list_for_each_entry_safe(mclist, tmp, &priv->curr_list, list) {
1488 list_del(&mclist->list);
1492 /* Flush multicast filter */
1493 mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0, 1, MLX4_MCAST_CONFIG);
1494 mlx4_en_destroy_drop_qp(priv);
1497 for (i = 0; i < priv->tx_ring_num; i++) {
1498 mlx4_en_deactivate_tx_ring(priv, priv->tx_ring[i]);
1499 mlx4_en_deactivate_cq(priv, priv->tx_cq[i]);
1503 for (i = 0; i < priv->tx_ring_num; i++)
1504 mlx4_en_free_tx_buf(dev, priv->tx_ring[i]);
1507 mlx4_en_release_rss_steer(priv);
1509 /* Unregister Mac address for the port */
1510 mlx4_en_put_qp(priv);
1511 mdev->mac_removed[priv->port] = 1;
1514 for (i = 0; i < priv->rx_ring_num; i++) {
1515 struct mlx4_en_cq *cq = priv->rx_cq[i];
1516 mlx4_en_deactivate_rx_ring(priv, priv->rx_ring[i]);
1517 mlx4_en_deactivate_cq(priv, cq);
1520 callout_stop(&priv->watchdog_timer);
1522 dev->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1525 static void mlx4_en_restart(struct work_struct *work)
1527 struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv,
1529 struct mlx4_en_dev *mdev = priv->mdev;
1530 struct net_device *dev = priv->dev;
1531 struct mlx4_en_tx_ring *ring;
1535 if (priv->blocked == 0 || priv->port_up == 0)
1537 for (i = 0; i < priv->tx_ring_num; i++) {
1538 ring = priv->tx_ring[i];
1539 if (ring->blocked &&
1540 ring->watchdog_time + MLX4_EN_WATCHDOG_TIMEOUT < ticks)
1546 priv->port_stats.tx_timeout++;
1547 en_dbg(DRV, priv, "Watchdog task called for port %d\n", priv->port);
1549 mutex_lock(&mdev->state_lock);
1550 if (priv->port_up) {
1551 mlx4_en_stop_port(dev);
1552 //for (i = 0; i < priv->tx_ring_num; i++)
1553 // netdev_tx_reset_queue(priv->tx_ring[i]->tx_queue);
1554 if (mlx4_en_start_port(dev))
1555 en_err(priv, "Failed restarting port %d\n", priv->port);
1557 mutex_unlock(&mdev->state_lock);
1560 static void mlx4_en_clear_stats(struct net_device *dev)
1562 struct mlx4_en_priv *priv = netdev_priv(dev);
1563 struct mlx4_en_dev *mdev = priv->mdev;
1566 if (!mlx4_is_slave(mdev->dev))
1567 if (mlx4_en_DUMP_ETH_STATS(mdev, priv->port, 1))
1568 en_dbg(HW, priv, "Failed dumping statistics\n");
1570 memset(&priv->pstats, 0, sizeof(priv->pstats));
1571 memset(&priv->pkstats, 0, sizeof(priv->pkstats));
1572 memset(&priv->port_stats, 0, sizeof(priv->port_stats));
1573 memset(&priv->vport_stats, 0, sizeof(priv->vport_stats));
1575 for (i = 0; i < priv->tx_ring_num; i++) {
1576 priv->tx_ring[i]->bytes = 0;
1577 priv->tx_ring[i]->packets = 0;
1578 priv->tx_ring[i]->tx_csum = 0;
1579 priv->tx_ring[i]->oversized_packets = 0;
1581 for (i = 0; i < priv->rx_ring_num; i++) {
1582 priv->rx_ring[i]->bytes = 0;
1583 priv->rx_ring[i]->packets = 0;
1584 priv->rx_ring[i]->csum_ok = 0;
1585 priv->rx_ring[i]->csum_none = 0;
1589 static void mlx4_en_open(void* arg)
1592 struct mlx4_en_priv *priv;
1593 struct mlx4_en_dev *mdev;
1594 struct net_device *dev;
1602 mutex_lock(&mdev->state_lock);
1604 if (!mdev->device_up) {
1605 en_err(priv, "Cannot open - device down/disabled\n");
1609 /* Reset HW statistics and SW counters */
1610 mlx4_en_clear_stats(dev);
1612 err = mlx4_en_start_port(dev);
1614 en_err(priv, "Failed starting port:%d\n", priv->port);
1617 mutex_unlock(&mdev->state_lock);
1621 void mlx4_en_free_resources(struct mlx4_en_priv *priv)
1625 #ifdef CONFIG_RFS_ACCEL
1626 if (priv->dev->rx_cpu_rmap) {
1627 free_irq_cpu_rmap(priv->dev->rx_cpu_rmap);
1628 priv->dev->rx_cpu_rmap = NULL;
1632 for (i = 0; i < priv->tx_ring_num; i++) {
1633 if (priv->tx_ring && priv->tx_ring[i])
1634 mlx4_en_destroy_tx_ring(priv, &priv->tx_ring[i]);
1635 if (priv->tx_cq && priv->tx_cq[i])
1636 mlx4_en_destroy_cq(priv, &priv->tx_cq[i]);
1639 for (i = 0; i < priv->rx_ring_num; i++) {
1640 if (priv->rx_ring[i])
1641 mlx4_en_destroy_rx_ring(priv, &priv->rx_ring[i],
1642 priv->prof->rx_ring_size, priv->stride);
1644 mlx4_en_destroy_cq(priv, &priv->rx_cq[i]);
1648 sysctl_ctx_free(&priv->stat_ctx);
1651 int mlx4_en_alloc_resources(struct mlx4_en_priv *priv)
1653 struct mlx4_en_port_profile *prof = priv->prof;
1657 /* Create rx Rings */
1658 for (i = 0; i < priv->rx_ring_num; i++) {
1659 if (mlx4_en_create_cq(priv, &priv->rx_cq[i],
1660 prof->rx_ring_size, i, RX, node))
1663 if (mlx4_en_create_rx_ring(priv, &priv->rx_ring[i],
1664 prof->rx_ring_size, node))
1668 /* Create tx Rings */
1669 for (i = 0; i < priv->tx_ring_num; i++) {
1670 if (mlx4_en_create_cq(priv, &priv->tx_cq[i],
1671 prof->tx_ring_size, i, TX, node))
1674 if (mlx4_en_create_tx_ring(priv, &priv->tx_ring[i],
1675 prof->tx_ring_size, TXBB_SIZE, node, i))
1679 #ifdef CONFIG_RFS_ACCEL
1680 priv->dev->rx_cpu_rmap = alloc_irq_cpu_rmap(priv->rx_ring_num);
1681 if (!priv->dev->rx_cpu_rmap)
1684 /* Re-create stat sysctls in case the number of rings changed. */
1685 mlx4_en_sysctl_stat(priv);
1689 en_err(priv, "Failed to allocate NIC resources\n");
1690 for (i = 0; i < priv->rx_ring_num; i++) {
1691 if (priv->rx_ring[i])
1692 mlx4_en_destroy_rx_ring(priv, &priv->rx_ring[i],
1696 mlx4_en_destroy_cq(priv, &priv->rx_cq[i]);
1698 for (i = 0; i < priv->tx_ring_num; i++) {
1699 if (priv->tx_ring[i])
1700 mlx4_en_destroy_tx_ring(priv, &priv->tx_ring[i]);
1702 mlx4_en_destroy_cq(priv, &priv->tx_cq[i]);
1704 priv->port_up = false;
1708 struct en_port_attribute {
1709 struct attribute attr;
1710 ssize_t (*show)(struct en_port *, struct en_port_attribute *, char *buf);
1711 ssize_t (*store)(struct en_port *, struct en_port_attribute *, char *buf, size_t count);
1714 #define PORT_ATTR_RO(_name) \
1715 struct en_port_attribute en_port_attr_##_name = __ATTR_RO(_name)
1717 #define EN_PORT_ATTR(_name, _mode, _show, _store) \
1718 struct en_port_attribute en_port_attr_##_name = __ATTR(_name, _mode, _show, _store)
1720 void mlx4_en_destroy_netdev(struct net_device *dev)
1722 struct mlx4_en_priv *priv = netdev_priv(dev);
1723 struct mlx4_en_dev *mdev = priv->mdev;
1725 en_dbg(DRV, priv, "Destroying netdev on port:%d\n", priv->port);
1727 if (priv->vlan_attach != NULL)
1728 EVENTHANDLER_DEREGISTER(vlan_config, priv->vlan_attach);
1729 if (priv->vlan_detach != NULL)
1730 EVENTHANDLER_DEREGISTER(vlan_unconfig, priv->vlan_detach);
1732 /* Unregister device - this will close the port if it was up */
1733 if (priv->registered) {
1734 mutex_lock(&mdev->state_lock);
1735 ether_ifdetach(dev);
1736 mutex_unlock(&mdev->state_lock);
1739 if (priv->allocated)
1740 mlx4_free_hwq_res(mdev->dev, &priv->res, MLX4_EN_PAGE_SIZE);
1742 mutex_lock(&mdev->state_lock);
1743 mlx4_en_stop_port(dev);
1744 mutex_unlock(&mdev->state_lock);
1747 cancel_delayed_work(&priv->stats_task);
1748 cancel_delayed_work(&priv->service_task);
1749 /* flush any pending task for this netdev */
1750 flush_workqueue(mdev->workqueue);
1751 callout_drain(&priv->watchdog_timer);
1753 /* Detach the netdev so tasks would not attempt to access it */
1754 mutex_lock(&mdev->state_lock);
1755 mdev->pndev[priv->port] = NULL;
1756 mutex_unlock(&mdev->state_lock);
1759 mlx4_en_free_resources(priv);
1761 /* freeing the sysctl conf cannot be called from within mlx4_en_free_resources */
1763 sysctl_ctx_free(&priv->conf_ctx);
1765 kfree(priv->tx_ring);
1773 static int mlx4_en_change_mtu(struct net_device *dev, int new_mtu)
1775 struct mlx4_en_priv *priv = netdev_priv(dev);
1776 struct mlx4_en_dev *mdev = priv->mdev;
1779 en_dbg(DRV, priv, "Change MTU called - current:%u new:%u\n",
1780 (unsigned)dev->if_mtu, (unsigned)new_mtu);
1782 if ((new_mtu < MLX4_EN_MIN_MTU) || (new_mtu > priv->max_mtu)) {
1783 en_err(priv, "Bad MTU size:%d.\n", new_mtu);
1786 mutex_lock(&mdev->state_lock);
1787 dev->if_mtu = new_mtu;
1788 if (dev->if_drv_flags & IFF_DRV_RUNNING) {
1789 if (!mdev->device_up) {
1790 /* NIC is probably restarting - let watchdog task reset
1792 en_dbg(DRV, priv, "Change MTU called with card down!?\n");
1794 mlx4_en_stop_port(dev);
1795 err = mlx4_en_start_port(dev);
1797 en_err(priv, "Failed restarting port:%d\n",
1799 queue_work(mdev->workqueue, &priv->watchdog_task);
1803 mutex_unlock(&mdev->state_lock);
1807 static int mlx4_en_calc_media(struct mlx4_en_priv *priv)
1813 if (priv->last_link_state == MLX4_DEV_EVENT_PORT_DOWN)
1816 trans_type = priv->port_state.transciver;
1817 /* XXX I don't know all of the transceiver values. */
1818 switch (priv->port_state.link_speed) {
1820 active |= IFM_1000_T;
1823 if (trans_type > 0 && trans_type <= 0xC)
1824 active |= IFM_10G_SR;
1825 else if (trans_type == 0x80 || trans_type == 0)
1826 active |= IFM_10G_CX4;
1829 active |= IFM_40G_CR4;
1832 if (priv->prof->tx_pause)
1833 active |= IFM_ETH_TXPAUSE;
1834 if (priv->prof->rx_pause)
1835 active |= IFM_ETH_RXPAUSE;
1840 static void mlx4_en_media_status(struct ifnet *dev, struct ifmediareq *ifmr)
1842 struct mlx4_en_priv *priv;
1844 priv = dev->if_softc;
1845 ifmr->ifm_status = IFM_AVALID;
1846 if (priv->last_link_state != MLX4_DEV_EVENT_PORT_DOWN)
1847 ifmr->ifm_status |= IFM_ACTIVE;
1848 ifmr->ifm_active = mlx4_en_calc_media(priv);
1853 static int mlx4_en_media_change(struct ifnet *dev)
1855 struct mlx4_en_priv *priv;
1856 struct ifmedia *ifm;
1861 priv = dev->if_softc;
1863 rxpause = txpause = 0;
1866 if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER)
1868 switch (IFM_SUBTYPE(ifm->ifm_media)) {
1875 if ((IFM_SUBTYPE(ifm->ifm_media)
1876 == IFM_SUBTYPE(mlx4_en_calc_media(priv)))
1877 && (ifm->ifm_media & IFM_FDX))
1881 printf("%s: Only auto media type\n", if_name(dev));
1884 /* Allow user to set/clear pause */
1885 if (IFM_OPTIONS(ifm->ifm_media) & IFM_ETH_RXPAUSE)
1887 if (IFM_OPTIONS(ifm->ifm_media) & IFM_ETH_TXPAUSE)
1889 if (priv->prof->tx_pause != txpause || priv->prof->rx_pause != rxpause) {
1890 priv->prof->tx_pause = txpause;
1891 priv->prof->rx_pause = rxpause;
1892 error = -mlx4_SET_PORT_general(priv->mdev->dev, priv->port,
1893 priv->rx_mb_size + ETHER_CRC_LEN, priv->prof->tx_pause,
1894 priv->prof->tx_ppp, priv->prof->rx_pause,
1895 priv->prof->rx_ppp);
1900 static int mlx4_en_ioctl(struct ifnet *dev, u_long command, caddr_t data)
1902 struct mlx4_en_priv *priv;
1903 struct mlx4_en_dev *mdev;
1910 priv = dev->if_softc;
1912 ifr = (struct ifreq *) data;
1916 error = -mlx4_en_change_mtu(dev, ifr->ifr_mtu);
1919 if (dev->if_flags & IFF_UP) {
1920 if ((dev->if_drv_flags & IFF_DRV_RUNNING) == 0) {
1921 mutex_lock(&mdev->state_lock);
1922 mlx4_en_start_port(dev);
1923 mutex_unlock(&mdev->state_lock);
1925 mlx4_en_set_rx_mode(dev);
1928 mutex_lock(&mdev->state_lock);
1929 if (dev->if_drv_flags & IFF_DRV_RUNNING) {
1930 mlx4_en_stop_port(dev);
1931 if_link_state_change(dev, LINK_STATE_DOWN);
1933 mutex_unlock(&mdev->state_lock);
1938 mlx4_en_set_rx_mode(dev);
1942 error = ifmedia_ioctl(dev, ifr, &priv->media, command);
1945 mutex_lock(&mdev->state_lock);
1946 mask = ifr->ifr_reqcap ^ dev->if_capenable;
1947 if (mask & IFCAP_TXCSUM) {
1948 dev->if_capenable ^= IFCAP_TXCSUM;
1949 dev->if_hwassist ^= (CSUM_TCP | CSUM_UDP | CSUM_IP);
1951 if (IFCAP_TSO4 & dev->if_capenable &&
1952 !(IFCAP_TXCSUM & dev->if_capenable)) {
1953 dev->if_capenable &= ~IFCAP_TSO4;
1954 dev->if_hwassist &= ~CSUM_TSO;
1956 "tso4 disabled due to -txcsum.\n");
1959 if (mask & IFCAP_TXCSUM_IPV6) {
1960 dev->if_capenable ^= IFCAP_TXCSUM_IPV6;
1961 dev->if_hwassist ^= (CSUM_UDP_IPV6 | CSUM_TCP_IPV6);
1963 if (IFCAP_TSO6 & dev->if_capenable &&
1964 !(IFCAP_TXCSUM_IPV6 & dev->if_capenable)) {
1965 dev->if_capenable &= ~IFCAP_TSO6;
1966 dev->if_hwassist &= ~CSUM_TSO;
1968 "tso6 disabled due to -txcsum6.\n");
1971 if (mask & IFCAP_RXCSUM)
1972 dev->if_capenable ^= IFCAP_RXCSUM;
1973 if (mask & IFCAP_RXCSUM_IPV6)
1974 dev->if_capenable ^= IFCAP_RXCSUM_IPV6;
1976 if (mask & IFCAP_TSO4) {
1977 if (!(IFCAP_TSO4 & dev->if_capenable) &&
1978 !(IFCAP_TXCSUM & dev->if_capenable)) {
1979 if_printf(dev, "enable txcsum first.\n");
1983 dev->if_capenable ^= IFCAP_TSO4;
1985 if (mask & IFCAP_TSO6) {
1986 if (!(IFCAP_TSO6 & dev->if_capenable) &&
1987 !(IFCAP_TXCSUM_IPV6 & dev->if_capenable)) {
1988 if_printf(dev, "enable txcsum6 first.\n");
1992 dev->if_capenable ^= IFCAP_TSO6;
1994 if (dev->if_capenable & (IFCAP_TSO4 | IFCAP_TSO6))
1995 dev->if_hwassist |= CSUM_TSO;
1997 dev->if_hwassist &= ~CSUM_TSO;
1998 if (mask & IFCAP_LRO)
1999 dev->if_capenable ^= IFCAP_LRO;
2000 if (mask & IFCAP_VLAN_HWTAGGING)
2001 dev->if_capenable ^= IFCAP_VLAN_HWTAGGING;
2002 if (mask & IFCAP_VLAN_HWFILTER)
2003 dev->if_capenable ^= IFCAP_VLAN_HWFILTER;
2004 if (mask & IFCAP_WOL_MAGIC)
2005 dev->if_capenable ^= IFCAP_WOL_MAGIC;
2006 if (dev->if_drv_flags & IFF_DRV_RUNNING)
2007 mlx4_en_start_port(dev);
2009 mutex_unlock(&mdev->state_lock);
2010 VLAN_CAPABILITIES(dev);
2012 #if __FreeBSD_version >= 1100036
2014 struct ifi2creq i2c;
2016 error = copyin(ifr->ifr_data, &i2c, sizeof(i2c));
2019 if (i2c.len > sizeof(i2c.data)) {
2024 * Note that we ignore i2c.addr here. The driver hardcodes
2025 * the address to 0x50, while standard expects it to be 0xA0.
2027 error = mlx4_get_module_info(mdev->dev, priv->port,
2028 i2c.offset, i2c.len, i2c.data);
2033 error = copyout(&i2c, ifr->ifr_data, sizeof(i2c));
2038 error = ether_ioctl(dev, command, data);
2046 int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
2047 struct mlx4_en_port_profile *prof)
2049 struct net_device *dev;
2050 struct mlx4_en_priv *priv;
2051 uint8_t dev_addr[ETHER_ADDR_LEN];
2055 priv = kzalloc(sizeof(*priv), GFP_KERNEL);
2056 dev = priv->dev = if_alloc(IFT_ETHER);
2058 en_err(priv, "Net device allocation failed\n");
2062 dev->if_softc = priv;
2063 if_initname(dev, "mlxen", atomic_fetchadd_int(&mlx4_en_unit, 1));
2064 dev->if_mtu = ETHERMTU;
2065 dev->if_init = mlx4_en_open;
2066 dev->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
2067 dev->if_ioctl = mlx4_en_ioctl;
2068 dev->if_transmit = mlx4_en_transmit;
2069 dev->if_qflush = mlx4_en_qflush;
2070 dev->if_snd.ifq_maxlen = prof->tx_ring_size;
2073 * Initialize driver private data
2075 priv->counter_index = 0xff;
2076 spin_lock_init(&priv->stats_lock);
2077 INIT_WORK(&priv->rx_mode_task, mlx4_en_do_set_rx_mode);
2078 INIT_WORK(&priv->watchdog_task, mlx4_en_restart);
2079 INIT_WORK(&priv->linkstate_task, mlx4_en_linkstate);
2080 INIT_DELAYED_WORK(&priv->stats_task, mlx4_en_do_get_stats);
2081 INIT_DELAYED_WORK(&priv->service_task, mlx4_en_service_task);
2082 callout_init(&priv->watchdog_timer, 1);
2083 #ifdef CONFIG_RFS_ACCEL
2084 INIT_LIST_HEAD(&priv->filters);
2085 spin_lock_init(&priv->filters_lock);
2088 priv->msg_enable = MLX4_EN_MSG_LEVEL;
2091 priv->ddev = &mdev->pdev->dev;
2094 priv->port_up = false;
2095 priv->flags = prof->flags;
2097 priv->num_tx_rings_p_up = mdev->profile.num_tx_rings_p_up;
2098 priv->tx_ring_num = prof->tx_ring_num;
2099 priv->tx_ring = kcalloc(MAX_TX_RINGS,
2100 sizeof(struct mlx4_en_tx_ring *), GFP_KERNEL);
2101 if (!priv->tx_ring) {
2105 priv->tx_cq = kcalloc(sizeof(struct mlx4_en_cq *), MAX_TX_RINGS,
2112 priv->rx_ring_num = prof->rx_ring_num;
2113 priv->cqe_factor = (mdev->dev->caps.cqe_size == 64) ? 1 : 0;
2114 priv->mac_index = -1;
2115 priv->last_ifq_jiffies = 0;
2116 priv->if_counters_rx_errors = 0;
2117 priv->if_counters_rx_no_buffer = 0;
2118 #ifdef CONFIG_MLX4_EN_DCB
2119 if (!mlx4_is_slave(priv->mdev->dev)) {
2120 priv->dcbx_cap = DCB_CAP_DCBX_HOST;
2121 priv->flags |= MLX4_EN_FLAG_DCB_ENABLED;
2122 if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ETS_CFG) {
2123 dev->dcbnl_ops = &mlx4_en_dcbnl_ops;
2125 en_info(priv, "QoS disabled - no HW support\n");
2126 dev->dcbnl_ops = &mlx4_en_dcbnl_pfc_ops;
2131 for (i = 0; i < MLX4_EN_MAC_HASH_SIZE; ++i)
2132 INIT_HLIST_HEAD(&priv->mac_hash[i]);
2134 /* Query for default mac and max mtu */
2135 priv->max_mtu = mdev->dev->caps.eth_mtu_cap[priv->port];
2136 priv->mac = mdev->dev->caps.def_mac[priv->port];
2137 if (ILLEGAL_MAC(priv->mac)) {
2138 #if BITS_PER_LONG == 64
2139 en_err(priv, "Port: %d, invalid mac burned: 0x%lx, quiting\n",
2140 priv->port, priv->mac);
2141 #elif BITS_PER_LONG == 32
2142 en_err(priv, "Port: %d, invalid mac burned: 0x%llx, quiting\n",
2143 priv->port, priv->mac);
2149 priv->stride = roundup_pow_of_two(sizeof(struct mlx4_en_rx_desc) +
2152 mlx4_en_sysctl_conf(priv);
2154 err = mlx4_en_alloc_resources(priv);
2158 /* Allocate page for receive rings */
2159 err = mlx4_alloc_hwq_res(mdev->dev, &priv->res,
2160 MLX4_EN_PAGE_SIZE, MLX4_EN_PAGE_SIZE);
2162 en_err(priv, "Failed to allocate page for rx qps\n");
2165 priv->allocated = 1;
2168 * Set driver features
2170 dev->if_capabilities |= IFCAP_HWCSUM | IFCAP_HWCSUM_IPV6;
2171 dev->if_capabilities |= IFCAP_VLAN_MTU | IFCAP_VLAN_HWTAGGING;
2172 dev->if_capabilities |= IFCAP_VLAN_HWCSUM | IFCAP_VLAN_HWFILTER;
2173 dev->if_capabilities |= IFCAP_LINKSTATE | IFCAP_JUMBO_MTU;
2174 dev->if_capabilities |= IFCAP_LRO;
2176 if (mdev->LSO_support)
2177 dev->if_capabilities |= IFCAP_TSO4 | IFCAP_TSO6 | IFCAP_VLAN_HWTSO;
2179 /* set TSO limits so that we don't have to drop TX packets */
2180 dev->if_hw_tsomax = MLX4_EN_TX_MAX_PAYLOAD_SIZE - (ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN) /* hdr */;
2181 dev->if_hw_tsomaxsegcount = MLX4_EN_TX_MAX_MBUF_FRAGS - 1 /* hdr */;
2182 dev->if_hw_tsomaxsegsize = MLX4_EN_TX_MAX_MBUF_SIZE;
2184 dev->if_capenable = dev->if_capabilities;
2186 dev->if_hwassist = 0;
2187 if (dev->if_capenable & (IFCAP_TSO4 | IFCAP_TSO6))
2188 dev->if_hwassist |= CSUM_TSO;
2189 if (dev->if_capenable & IFCAP_TXCSUM)
2190 dev->if_hwassist |= (CSUM_TCP | CSUM_UDP | CSUM_IP);
2191 if (dev->if_capenable & IFCAP_TXCSUM_IPV6)
2192 dev->if_hwassist |= (CSUM_UDP_IPV6 | CSUM_TCP_IPV6);
2195 /* Register for VLAN events */
2196 priv->vlan_attach = EVENTHANDLER_REGISTER(vlan_config,
2197 mlx4_en_vlan_rx_add_vid, priv, EVENTHANDLER_PRI_FIRST);
2198 priv->vlan_detach = EVENTHANDLER_REGISTER(vlan_unconfig,
2199 mlx4_en_vlan_rx_kill_vid, priv, EVENTHANDLER_PRI_FIRST);
2201 mdev->pndev[priv->port] = dev;
2203 priv->last_link_state = MLX4_DEV_EVENT_PORT_DOWN;
2204 mlx4_en_set_default_moderation(priv);
2206 /* Set default MAC */
2207 for (i = 0; i < ETHER_ADDR_LEN; i++)
2208 dev_addr[ETHER_ADDR_LEN - 1 - i] = (u8) (priv->mac >> (8 * i));
2211 ether_ifattach(dev, dev_addr);
2212 if_link_state_change(dev, LINK_STATE_DOWN);
2213 ifmedia_init(&priv->media, IFM_IMASK | IFM_ETH_FMASK,
2214 mlx4_en_media_change, mlx4_en_media_status);
2215 ifmedia_add(&priv->media, IFM_ETHER | IFM_FDX | IFM_1000_T, 0, NULL);
2216 ifmedia_add(&priv->media, IFM_ETHER | IFM_FDX | IFM_10G_SR, 0, NULL);
2217 ifmedia_add(&priv->media, IFM_ETHER | IFM_FDX | IFM_10G_CX4, 0, NULL);
2218 ifmedia_add(&priv->media, IFM_ETHER | IFM_FDX | IFM_40G_CR4, 0, NULL);
2219 ifmedia_add(&priv->media, IFM_ETHER | IFM_AUTO, 0, NULL);
2220 ifmedia_set(&priv->media, IFM_ETHER | IFM_AUTO);
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);
2225 priv->registered = 1;
2227 en_warn(priv, "Using %d TX rings\n", prof->tx_ring_num);
2228 en_warn(priv, "Using %d RX rings\n", prof->rx_ring_num);
2231 priv->rx_mb_size = dev->if_mtu + ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN;
2232 err = mlx4_SET_PORT_general(mdev->dev, priv->port,
2234 prof->tx_pause, prof->tx_ppp,
2235 prof->rx_pause, prof->rx_ppp);
2237 en_err(priv, "Failed setting port general configurations "
2238 "for port %d, with error %d\n", priv->port, err);
2243 en_warn(priv, "Initializing port\n");
2244 err = mlx4_INIT_PORT(mdev->dev, priv->port);
2246 en_err(priv, "Failed Initializing port\n");
2250 queue_delayed_work(mdev->workqueue, &priv->stats_task, STATS_DELAY);
2252 if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS)
2253 queue_delayed_work(mdev->workqueue, &priv->service_task, SERVICE_TASK_DELAY);
2258 mlx4_en_destroy_netdev(dev);
2262 static int mlx4_en_set_ring_size(struct net_device *dev,
2263 int rx_size, int tx_size)
2265 struct mlx4_en_priv *priv = netdev_priv(dev);
2266 struct mlx4_en_dev *mdev = priv->mdev;
2270 rx_size = roundup_pow_of_two(rx_size);
2271 rx_size = max_t(u32, rx_size, MLX4_EN_MIN_RX_SIZE);
2272 rx_size = min_t(u32, rx_size, MLX4_EN_MAX_RX_SIZE);
2273 tx_size = roundup_pow_of_two(tx_size);
2274 tx_size = max_t(u32, tx_size, MLX4_EN_MIN_TX_SIZE);
2275 tx_size = min_t(u32, tx_size, MLX4_EN_MAX_TX_SIZE);
2277 if (rx_size == (priv->port_up ?
2278 priv->rx_ring[0]->actual_size : priv->rx_ring[0]->size) &&
2279 tx_size == priv->tx_ring[0]->size)
2281 mutex_lock(&mdev->state_lock);
2282 if (priv->port_up) {
2284 mlx4_en_stop_port(dev);
2286 mlx4_en_free_resources(priv);
2287 priv->prof->tx_ring_size = tx_size;
2288 priv->prof->rx_ring_size = rx_size;
2289 err = mlx4_en_alloc_resources(priv);
2291 en_err(priv, "Failed reallocating port resources\n");
2295 err = mlx4_en_start_port(dev);
2297 en_err(priv, "Failed starting port\n");
2300 mutex_unlock(&mdev->state_lock);
2303 static int mlx4_en_set_rx_ring_size(SYSCTL_HANDLER_ARGS)
2305 struct mlx4_en_priv *priv;
2310 size = priv->prof->rx_ring_size;
2311 error = sysctl_handle_int(oidp, &size, 0, req);
2312 if (error || !req->newptr)
2314 error = -mlx4_en_set_ring_size(priv->dev, size,
2315 priv->prof->tx_ring_size);
2319 static int mlx4_en_set_tx_ring_size(SYSCTL_HANDLER_ARGS)
2321 struct mlx4_en_priv *priv;
2326 size = priv->prof->tx_ring_size;
2327 error = sysctl_handle_int(oidp, &size, 0, req);
2328 if (error || !req->newptr)
2330 error = -mlx4_en_set_ring_size(priv->dev, priv->prof->rx_ring_size,
2336 static int mlx4_en_get_module_info(struct net_device *dev,
2337 struct ethtool_modinfo *modinfo)
2339 struct mlx4_en_priv *priv = netdev_priv(dev);
2340 struct mlx4_en_dev *mdev = priv->mdev;
2344 /* Read first 2 bytes to get Module & REV ID */
2345 ret = mlx4_get_module_info(mdev->dev, priv->port,
2346 0/*offset*/, 2/*size*/, data);
2349 en_err(priv, "Failed to read eeprom module first two bytes, error: 0x%x\n", -ret);
2353 switch (data[0] /* identifier */) {
2354 case MLX4_MODULE_ID_QSFP:
2355 modinfo->type = ETH_MODULE_SFF_8436;
2356 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
2358 case MLX4_MODULE_ID_QSFP_PLUS:
2359 if (data[1] >= 0x3) { /* revision id */
2360 modinfo->type = ETH_MODULE_SFF_8636;
2361 modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
2363 modinfo->type = ETH_MODULE_SFF_8436;
2364 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
2367 case MLX4_MODULE_ID_QSFP28:
2368 modinfo->type = ETH_MODULE_SFF_8636;
2369 modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
2371 case MLX4_MODULE_ID_SFP:
2372 modinfo->type = ETH_MODULE_SFF_8472;
2373 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
2376 en_err(priv, "mlx4_en_get_module_info : Not recognized cable type\n");
2383 static int mlx4_en_get_module_eeprom(struct net_device *dev,
2384 struct ethtool_eeprom *ee,
2387 struct mlx4_en_priv *priv = netdev_priv(dev);
2388 struct mlx4_en_dev *mdev = priv->mdev;
2389 int offset = ee->offset;
2395 memset(data, 0, ee->len);
2397 while (i < ee->len) {
2399 "mlx4_get_module_info i(%d) offset(%d) len(%d)\n",
2400 i, offset, ee->len - i);
2402 ret = mlx4_get_module_info(mdev->dev, priv->port,
2403 offset, ee->len - i, data + i);
2405 if (!ret) /* Done reading */
2410 "mlx4_get_module_info i(%d) offset(%d) bytes_to_read(%d) - FAILED (0x%x)\n",
2411 i, offset, ee->len - i, ret);
2421 static void mlx4_en_print_eeprom(u8 *data, __u32 len)
2426 const int NUM_OF_BYTES = 16;
2428 printf("\nOffset\t\tValues\n");
2429 printf("------\t\t------\n");
2431 printf("0x%04x\t\t",row);
2432 for(i=0; i < NUM_OF_BYTES; i++){
2433 printf("%02x ", data[j]);
2441 /* Read cable EEPROM module information by first inspecting the first
2442 * two bytes to get the length and then read the rest of the information.
2443 * The information is printed to dmesg. */
2444 static int mlx4_en_read_eeprom(SYSCTL_HANDLER_ARGS)
2450 struct mlx4_en_priv *priv;
2451 struct net_device *dev;
2452 struct ethtool_modinfo modinfo;
2453 struct ethtool_eeprom ee;
2455 error = sysctl_handle_int(oidp, &result, 0, req);
2456 if (error || !req->newptr)
2462 data = kmalloc(PAGE_SIZE, GFP_KERNEL);
2464 error = mlx4_en_get_module_info(dev, &modinfo);
2467 "mlx4_en_get_module_info returned with error - FAILED (0x%x)\n",
2472 ee.len = modinfo.eeprom_len;
2475 error = mlx4_en_get_module_eeprom(dev, &ee, data);
2478 "mlx4_en_get_module_eeprom returned with error - FAILED (0x%x)\n",
2480 /* Continue printing partial information in case of an error */
2483 /* EEPROM information will be printed in dmesg */
2484 mlx4_en_print_eeprom(data, ee.len);
2488 /* Return zero to prevent sysctl failure. */
2492 static int mlx4_en_set_tx_ppp(SYSCTL_HANDLER_ARGS)
2494 struct mlx4_en_priv *priv;
2499 ppp = priv->prof->tx_ppp;
2500 error = sysctl_handle_int(oidp, &ppp, 0, req);
2501 if (error || !req->newptr)
2503 if (ppp > 0xff || ppp < 0)
2505 priv->prof->tx_ppp = ppp;
2506 error = -mlx4_SET_PORT_general(priv->mdev->dev, priv->port,
2507 priv->rx_mb_size + ETHER_CRC_LEN,
2508 priv->prof->tx_pause,
2510 priv->prof->rx_pause,
2511 priv->prof->rx_ppp);
2516 static int mlx4_en_set_rx_ppp(SYSCTL_HANDLER_ARGS)
2518 struct mlx4_en_priv *priv;
2519 struct mlx4_en_dev *mdev;
2527 ppp = priv->prof->rx_ppp;
2528 error = sysctl_handle_int(oidp, &ppp, 0, req);
2529 if (error || !req->newptr)
2531 if (ppp > 0xff || ppp < 0)
2533 /* See if we have to change the number of tx queues. */
2534 if (!ppp != !priv->prof->rx_ppp) {
2535 mutex_lock(&mdev->state_lock);
2536 if (priv->port_up) {
2538 mlx4_en_stop_port(priv->dev);
2540 mlx4_en_free_resources(priv);
2541 priv->prof->rx_ppp = ppp;
2542 error = -mlx4_en_alloc_resources(priv);
2544 en_err(priv, "Failed reallocating port resources\n");
2545 if (error == 0 && port_up) {
2546 error = -mlx4_en_start_port(priv->dev);
2548 en_err(priv, "Failed starting port\n");
2550 mutex_unlock(&mdev->state_lock);
2554 priv->prof->rx_ppp = ppp;
2555 error = -mlx4_SET_PORT_general(priv->mdev->dev, priv->port,
2556 priv->rx_mb_size + ETHER_CRC_LEN,
2557 priv->prof->tx_pause,
2559 priv->prof->rx_pause,
2560 priv->prof->rx_ppp);
2565 static void mlx4_en_sysctl_conf(struct mlx4_en_priv *priv)
2567 struct net_device *dev;
2568 struct sysctl_ctx_list *ctx;
2569 struct sysctl_oid *node;
2570 struct sysctl_oid_list *node_list;
2571 struct sysctl_oid *coal;
2572 struct sysctl_oid_list *coal_list;
2573 const char *pnameunit;
2576 ctx = &priv->conf_ctx;
2577 pnameunit = device_get_nameunit(priv->mdev->pdev->dev.bsddev);
2579 sysctl_ctx_init(ctx);
2580 priv->sysctl = SYSCTL_ADD_NODE(ctx, SYSCTL_STATIC_CHILDREN(_hw),
2581 OID_AUTO, dev->if_xname, CTLFLAG_RD, 0, "mlx4 10gig ethernet");
2582 node = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(priv->sysctl), OID_AUTO,
2583 "conf", CTLFLAG_RD, NULL, "Configuration");
2584 node_list = SYSCTL_CHILDREN(node);
2586 SYSCTL_ADD_UINT(ctx, node_list, OID_AUTO, "msg_enable",
2587 CTLFLAG_RW, &priv->msg_enable, 0,
2588 "Driver message enable bitfield");
2589 SYSCTL_ADD_UINT(ctx, node_list, OID_AUTO, "rx_rings",
2590 CTLFLAG_RD, &priv->rx_ring_num, 0,
2591 "Number of receive rings");
2592 SYSCTL_ADD_UINT(ctx, node_list, OID_AUTO, "tx_rings",
2593 CTLFLAG_RD, &priv->tx_ring_num, 0,
2594 "Number of transmit rings");
2595 SYSCTL_ADD_PROC(ctx, node_list, OID_AUTO, "rx_size",
2596 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, priv, 0,
2597 mlx4_en_set_rx_ring_size, "I", "Receive ring size");
2598 SYSCTL_ADD_PROC(ctx, node_list, OID_AUTO, "tx_size",
2599 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, priv, 0,
2600 mlx4_en_set_tx_ring_size, "I", "Transmit ring size");
2601 SYSCTL_ADD_PROC(ctx, node_list, OID_AUTO, "tx_ppp",
2602 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, priv, 0,
2603 mlx4_en_set_tx_ppp, "I", "TX Per-priority pause");
2604 SYSCTL_ADD_PROC(ctx, node_list, OID_AUTO, "rx_ppp",
2605 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, priv, 0,
2606 mlx4_en_set_rx_ppp, "I", "RX Per-priority pause");
2607 SYSCTL_ADD_UINT(ctx, node_list, OID_AUTO, "port_num",
2608 CTLFLAG_RD, &priv->port, 0,
2610 SYSCTL_ADD_STRING(ctx, node_list, OID_AUTO, "device_name",
2611 CTLFLAG_RD, __DECONST(void *, pnameunit), 0,
2614 /* Add coalescer configuration. */
2615 coal = SYSCTL_ADD_NODE(ctx, node_list, OID_AUTO,
2616 "coalesce", CTLFLAG_RD, NULL, "Interrupt coalesce configuration");
2617 coal_list = SYSCTL_CHILDREN(coal);
2618 SYSCTL_ADD_UINT(ctx, coal_list, OID_AUTO, "pkt_rate_low",
2619 CTLFLAG_RW, &priv->pkt_rate_low, 0,
2620 "Packets per-second for minimum delay");
2621 SYSCTL_ADD_UINT(ctx, coal_list, OID_AUTO, "rx_usecs_low",
2622 CTLFLAG_RW, &priv->rx_usecs_low, 0,
2623 "Minimum RX delay in micro-seconds");
2624 SYSCTL_ADD_UINT(ctx, coal_list, OID_AUTO, "pkt_rate_high",
2625 CTLFLAG_RW, &priv->pkt_rate_high, 0,
2626 "Packets per-second for maximum delay");
2627 SYSCTL_ADD_UINT(ctx, coal_list, OID_AUTO, "rx_usecs_high",
2628 CTLFLAG_RW, &priv->rx_usecs_high, 0,
2629 "Maximum RX delay in micro-seconds");
2630 SYSCTL_ADD_UINT(ctx, coal_list, OID_AUTO, "sample_interval",
2631 CTLFLAG_RW, &priv->sample_interval, 0,
2632 "adaptive frequency in units of HZ ticks");
2633 SYSCTL_ADD_UINT(ctx, coal_list, OID_AUTO, "adaptive_rx_coal",
2634 CTLFLAG_RW, &priv->adaptive_rx_coal, 0,
2635 "Enable adaptive rx coalescing");
2636 /* EEPROM support */
2637 SYSCTL_ADD_PROC(ctx, node_list, OID_AUTO, "eeprom_info",
2638 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, priv, 0,
2639 mlx4_en_read_eeprom, "I", "EEPROM information");
2642 static void mlx4_en_sysctl_stat(struct mlx4_en_priv *priv)
2644 struct sysctl_ctx_list *ctx;
2645 struct sysctl_oid *node;
2646 struct sysctl_oid_list *node_list;
2647 struct sysctl_oid *ring_node;
2648 struct sysctl_oid_list *ring_list;
2649 struct mlx4_en_tx_ring *tx_ring;
2650 struct mlx4_en_rx_ring *rx_ring;
2654 ctx = &priv->stat_ctx;
2655 sysctl_ctx_init(ctx);
2656 node = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(priv->sysctl), OID_AUTO,
2657 "stat", CTLFLAG_RD, NULL, "Statistics");
2658 node_list = SYSCTL_CHILDREN(node);
2660 #ifdef MLX4_EN_PERF_STAT
2661 SYSCTL_ADD_UINT(ctx, node_list, OID_AUTO, "tx_poll", CTLFLAG_RD,
2662 &priv->pstats.tx_poll, "TX Poll calls");
2663 SYSCTL_ADD_QUAD(ctx, node_list, OID_AUTO, "tx_pktsz_avg", CTLFLAG_RD,
2664 &priv->pstats.tx_pktsz_avg, "TX average packet size");
2665 SYSCTL_ADD_UINT(ctx, node_list, OID_AUTO, "inflight_avg", CTLFLAG_RD,
2666 &priv->pstats.inflight_avg, "TX average packets in-flight");
2667 SYSCTL_ADD_UINT(ctx, node_list, OID_AUTO, "tx_coal_avg", CTLFLAG_RD,
2668 &priv->pstats.tx_coal_avg, "TX average coalesced completions");
2669 SYSCTL_ADD_UINT(ctx, node_list, OID_AUTO, "rx_coal_avg", CTLFLAG_RD,
2670 &priv->pstats.rx_coal_avg, "RX average coalesced completions");
2673 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "tso_packets", CTLFLAG_RD,
2674 &priv->port_stats.tso_packets, "TSO packets sent");
2675 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "queue_stopped", CTLFLAG_RD,
2676 &priv->port_stats.queue_stopped, "Queue full");
2677 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "wake_queue", CTLFLAG_RD,
2678 &priv->port_stats.wake_queue, "Queue resumed after full");
2679 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "tx_timeout", CTLFLAG_RD,
2680 &priv->port_stats.tx_timeout, "Transmit timeouts");
2681 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "tx_oversized_packets", CTLFLAG_RD,
2682 &priv->port_stats.oversized_packets, "TX oversized packets, m_defrag failed");
2683 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_alloc_failed", CTLFLAG_RD,
2684 &priv->port_stats.rx_alloc_failed, "RX failed to allocate mbuf");
2685 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_chksum_good", CTLFLAG_RD,
2686 &priv->port_stats.rx_chksum_good, "RX checksum offload success");
2687 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_chksum_none", CTLFLAG_RD,
2688 &priv->port_stats.rx_chksum_none, "RX without checksum offload");
2689 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "tx_chksum_offload",
2690 CTLFLAG_RD, &priv->port_stats.tx_chksum_offload,
2691 "TX checksum offloads");
2693 /* Could strdup the names and add in a loop. This is simpler. */
2694 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_bytes", CTLFLAG_RD,
2695 &priv->pkstats.rx_bytes, "RX Bytes");
2696 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_packets", CTLFLAG_RD,
2697 &priv->pkstats.rx_packets, "RX packets");
2698 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_multicast_packets", CTLFLAG_RD,
2699 &priv->pkstats.rx_multicast_packets, "RX Multicast Packets");
2700 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_broadcast_packets", CTLFLAG_RD,
2701 &priv->pkstats.rx_broadcast_packets, "RX Broadcast Packets");
2702 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_errors", CTLFLAG_RD,
2703 &priv->pkstats.rx_errors, "RX Errors");
2704 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_dropped", CTLFLAG_RD,
2705 &priv->pkstats.rx_dropped, "RX Dropped");
2706 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_length_errors", CTLFLAG_RD,
2707 &priv->pkstats.rx_length_errors, "RX Length Errors");
2708 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_over_errors", CTLFLAG_RD,
2709 &priv->pkstats.rx_over_errors, "RX Over Errors");
2710 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_crc_errors", CTLFLAG_RD,
2711 &priv->pkstats.rx_crc_errors, "RX CRC Errors");
2712 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_jabbers", CTLFLAG_RD,
2713 &priv->pkstats.rx_jabbers, "RX Jabbers");
2716 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_in_range_length_error", CTLFLAG_RD,
2717 &priv->pkstats.rx_in_range_length_error, "RX IN_Range Length Error");
2718 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_out_range_length_error",
2719 CTLFLAG_RD, &priv->pkstats.rx_out_range_length_error,
2720 "RX Out Range Length Error");
2721 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_lt_64_bytes_packets", CTLFLAG_RD,
2722 &priv->pkstats.rx_lt_64_bytes_packets, "RX Lt 64 Bytes Packets");
2723 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_127_bytes_packets", CTLFLAG_RD,
2724 &priv->pkstats.rx_127_bytes_packets, "RX 127 bytes Packets");
2725 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_255_bytes_packets", CTLFLAG_RD,
2726 &priv->pkstats.rx_255_bytes_packets, "RX 255 bytes Packets");
2727 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_511_bytes_packets", CTLFLAG_RD,
2728 &priv->pkstats.rx_511_bytes_packets, "RX 511 bytes Packets");
2729 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_1023_bytes_packets", CTLFLAG_RD,
2730 &priv->pkstats.rx_1023_bytes_packets, "RX 1023 bytes Packets");
2731 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_1518_bytes_packets", CTLFLAG_RD,
2732 &priv->pkstats.rx_1518_bytes_packets, "RX 1518 bytes Packets");
2733 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_1522_bytes_packets", CTLFLAG_RD,
2734 &priv->pkstats.rx_1522_bytes_packets, "RX 1522 bytes Packets");
2735 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_1548_bytes_packets", CTLFLAG_RD,
2736 &priv->pkstats.rx_1548_bytes_packets, "RX 1548 bytes Packets");
2737 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "rx_gt_1548_bytes_packets", CTLFLAG_RD,
2738 &priv->pkstats.rx_gt_1548_bytes_packets,
2739 "RX Greater Then 1548 bytes Packets");
2741 struct mlx4_en_pkt_stats {
2742 unsigned long tx_packets;
2743 unsigned long tx_bytes;
2744 unsigned long tx_multicast_packets;
2745 unsigned long tx_broadcast_packets;
2746 unsigned long tx_errors;
2747 unsigned long tx_dropped;
2748 unsigned long tx_lt_64_bytes_packets;
2749 unsigned long tx_127_bytes_packets;
2750 unsigned long tx_255_bytes_packets;
2751 unsigned long tx_511_bytes_packets;
2752 unsigned long tx_1023_bytes_packets;
2753 unsigned long tx_1518_bytes_packets;
2754 unsigned long tx_1522_bytes_packets;
2755 unsigned long tx_1548_bytes_packets;
2756 unsigned long tx_gt_1548_bytes_packets;
2757 unsigned long rx_prio[NUM_PRIORITIES][NUM_PRIORITY_STATS];
2758 unsigned long tx_prio[NUM_PRIORITIES][NUM_PRIORITY_STATS];
2759 #define NUM_PKT_STATS 72
2763 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "tx_packets", CTLFLAG_RD,
2764 &priv->pkstats.tx_packets, "TX packets");
2765 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "tx_bytes", CTLFLAG_RD,
2766 &priv->pkstats.tx_bytes, "TX Bytes");
2767 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "tx_multicast_packets", CTLFLAG_RD,
2768 &priv->pkstats.tx_multicast_packets, "TX Multicast Packets");
2769 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "tx_broadcast_packets", CTLFLAG_RD,
2770 &priv->pkstats.tx_broadcast_packets, "TX Broadcast Packets");
2771 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "tx_errors", CTLFLAG_RD,
2772 &priv->pkstats.tx_errors, "TX Errors");
2773 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "tx_dropped", CTLFLAG_RD,
2774 &priv->pkstats.tx_dropped, "TX Dropped");
2775 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "tx_lt_64_bytes_packets", CTLFLAG_RD,
2776 &priv->pkstats.tx_lt_64_bytes_packets, "TX Less Then 64 Bytes Packets");
2777 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "tx_127_bytes_packets", CTLFLAG_RD,
2778 &priv->pkstats.tx_127_bytes_packets, "TX 127 Bytes Packets");
2779 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "tx_255_bytes_packets", CTLFLAG_RD,
2780 &priv->pkstats.tx_255_bytes_packets, "TX 255 Bytes Packets");
2781 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "tx_511_bytes_packets", CTLFLAG_RD,
2782 &priv->pkstats.tx_511_bytes_packets, "TX 511 Bytes Packets");
2783 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "tx_1023_bytes_packets", CTLFLAG_RD,
2784 &priv->pkstats.tx_1023_bytes_packets, "TX 1023 Bytes Packets");
2785 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "tx_1518_bytes_packets", CTLFLAG_RD,
2786 &priv->pkstats.tx_1518_bytes_packets, "TX 1518 Bytes Packets");
2787 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "tx_1522_bytes_packets", CTLFLAG_RD,
2788 &priv->pkstats.tx_1522_bytes_packets, "TX 1522 Bytes Packets");
2789 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "tx_1548_bytes_packets", CTLFLAG_RD,
2790 &priv->pkstats.tx_1548_bytes_packets, "TX 1548 Bytes Packets");
2791 SYSCTL_ADD_ULONG(ctx, node_list, OID_AUTO, "tx_gt_1548_bytes_packets", CTLFLAG_RD,
2792 &priv->pkstats.tx_gt_1548_bytes_packets,
2793 "TX Greater Then 1548 Bytes Packets");
2797 for (i = 0; i < priv->tx_ring_num; i++) {
2798 tx_ring = priv->tx_ring[i];
2799 snprintf(namebuf, sizeof(namebuf), "tx_ring%d", i);
2800 ring_node = SYSCTL_ADD_NODE(ctx, node_list, OID_AUTO, namebuf,
2801 CTLFLAG_RD, NULL, "TX Ring");
2802 ring_list = SYSCTL_CHILDREN(ring_node);
2803 SYSCTL_ADD_ULONG(ctx, ring_list, OID_AUTO, "packets",
2804 CTLFLAG_RD, &tx_ring->packets, "TX packets");
2805 SYSCTL_ADD_ULONG(ctx, ring_list, OID_AUTO, "bytes",
2806 CTLFLAG_RD, &tx_ring->bytes, "TX bytes");
2809 for (i = 0; i < priv->rx_ring_num; i++) {
2810 rx_ring = priv->rx_ring[i];
2811 snprintf(namebuf, sizeof(namebuf), "rx_ring%d", i);
2812 ring_node = SYSCTL_ADD_NODE(ctx, node_list, OID_AUTO, namebuf,
2813 CTLFLAG_RD, NULL, "RX Ring");
2814 ring_list = SYSCTL_CHILDREN(ring_node);
2815 SYSCTL_ADD_ULONG(ctx, ring_list, OID_AUTO, "packets",
2816 CTLFLAG_RD, &rx_ring->packets, "RX packets");
2817 SYSCTL_ADD_ULONG(ctx, ring_list, OID_AUTO, "bytes",
2818 CTLFLAG_RD, &rx_ring->bytes, "RX bytes");
2819 SYSCTL_ADD_ULONG(ctx, ring_list, OID_AUTO, "error",
2820 CTLFLAG_RD, &rx_ring->errors, "RX soft errors");