2 * Copyright (c) 2015, 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:
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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
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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
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29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
33 #include <linux/list.h>
35 #include <linux/ipv6.h>
36 #include <linux/tcp.h>
37 #include <linux/mlx5/fs.h>
41 static int mlx5e_add_l2_flow_rule(struct mlx5e_priv *priv,
42 struct mlx5e_l2_rule *ai, int type);
43 static void mlx5e_del_l2_flow_rule(struct mlx5e_priv *priv,
44 struct mlx5e_l2_rule *ai);
60 MLX5E_ACTION_NONE = 0,
65 struct mlx5e_l2_hash_node {
66 struct hlist_node hlist;
68 struct mlx5e_l2_rule ai;
72 static inline int mlx5e_hash_l2(u8 *addr)
77 static void mlx5e_add_l2_to_hash(struct hlist_head *hash, u8 *addr)
79 struct mlx5e_l2_hash_node *hn;
80 int ix = mlx5e_hash_l2(addr);
83 hlist_for_each_entry(hn, &hash[ix], hlist)
84 if (ether_addr_equal_64bits(hn->ai.addr, addr)) {
90 hn->action = MLX5E_ACTION_NONE;
94 hn = kzalloc(sizeof(*hn), GFP_ATOMIC);
98 ether_addr_copy(hn->ai.addr, addr);
99 hn->action = MLX5E_ACTION_ADD;
101 hlist_add_head(&hn->hlist, &hash[ix]);
104 static void mlx5e_del_l2_from_hash(struct mlx5e_l2_hash_node *hn)
106 hlist_del(&hn->hlist);
110 static int mlx5e_vport_context_update_vlans(struct mlx5e_priv *priv)
112 struct net_device *ndev = priv->netdev;
121 for_each_set_bit(vlan, priv->fs.vlan.active_vlans, VLAN_N_VID)
124 max_list_size = 1 << MLX5_CAP_GEN(priv->mdev, log_max_vlan_list);
126 if (list_size > max_list_size) {
128 "netdev vlans list size (%d) > (%d) max vport list size, some vlans will be dropped\n",
129 list_size, max_list_size);
130 list_size = max_list_size;
133 vlans = kcalloc(list_size, sizeof(*vlans), GFP_KERNEL);
138 for_each_set_bit(vlan, priv->fs.vlan.active_vlans, VLAN_N_VID) {
144 err = mlx5_modify_nic_vport_vlans(priv->mdev, vlans, list_size);
146 netdev_err(ndev, "Failed to modify vport vlans list err(%d)\n",
153 enum mlx5e_vlan_rule_type {
154 MLX5E_VLAN_RULE_TYPE_UNTAGGED,
155 MLX5E_VLAN_RULE_TYPE_ANY_CTAG_VID,
156 MLX5E_VLAN_RULE_TYPE_ANY_STAG_VID,
157 MLX5E_VLAN_RULE_TYPE_MATCH_VID,
160 static int __mlx5e_add_vlan_rule(struct mlx5e_priv *priv,
161 enum mlx5e_vlan_rule_type rule_type,
162 u16 vid, struct mlx5_flow_spec *spec)
164 struct mlx5_flow_table *ft = priv->fs.vlan.ft.t;
165 struct mlx5_flow_destination dest;
166 struct mlx5_flow_handle **rule_p;
167 MLX5_DECLARE_FLOW_ACT(flow_act);
170 dest.type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
171 dest.ft = priv->fs.l2.ft.t;
173 spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
176 case MLX5E_VLAN_RULE_TYPE_UNTAGGED:
177 rule_p = &priv->fs.vlan.untagged_rule;
178 MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria,
179 outer_headers.cvlan_tag);
181 case MLX5E_VLAN_RULE_TYPE_ANY_CTAG_VID:
182 rule_p = &priv->fs.vlan.any_cvlan_rule;
183 MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria,
184 outer_headers.cvlan_tag);
185 MLX5_SET(fte_match_param, spec->match_value, outer_headers.cvlan_tag, 1);
187 case MLX5E_VLAN_RULE_TYPE_ANY_STAG_VID:
188 rule_p = &priv->fs.vlan.any_svlan_rule;
189 MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria,
190 outer_headers.svlan_tag);
191 MLX5_SET(fte_match_param, spec->match_value, outer_headers.svlan_tag, 1);
193 default: /* MLX5E_VLAN_RULE_TYPE_MATCH_VID */
194 rule_p = &priv->fs.vlan.active_vlans_rule[vid];
195 MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria,
196 outer_headers.cvlan_tag);
197 MLX5_SET(fte_match_param, spec->match_value, outer_headers.cvlan_tag, 1);
198 MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria,
199 outer_headers.first_vid);
200 MLX5_SET(fte_match_param, spec->match_value, outer_headers.first_vid,
205 *rule_p = mlx5_add_flow_rules(ft, spec, &flow_act, &dest, 1);
207 if (IS_ERR(*rule_p)) {
208 err = PTR_ERR(*rule_p);
210 netdev_err(priv->netdev, "%s: add rule failed\n", __func__);
216 static int mlx5e_add_vlan_rule(struct mlx5e_priv *priv,
217 enum mlx5e_vlan_rule_type rule_type, u16 vid)
219 struct mlx5_flow_spec *spec;
222 spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
226 if (rule_type == MLX5E_VLAN_RULE_TYPE_MATCH_VID)
227 mlx5e_vport_context_update_vlans(priv);
229 err = __mlx5e_add_vlan_rule(priv, rule_type, vid, spec);
236 static void mlx5e_del_vlan_rule(struct mlx5e_priv *priv,
237 enum mlx5e_vlan_rule_type rule_type, u16 vid)
240 case MLX5E_VLAN_RULE_TYPE_UNTAGGED:
241 if (priv->fs.vlan.untagged_rule) {
242 mlx5_del_flow_rules(priv->fs.vlan.untagged_rule);
243 priv->fs.vlan.untagged_rule = NULL;
246 case MLX5E_VLAN_RULE_TYPE_ANY_CTAG_VID:
247 if (priv->fs.vlan.any_cvlan_rule) {
248 mlx5_del_flow_rules(priv->fs.vlan.any_cvlan_rule);
249 priv->fs.vlan.any_cvlan_rule = NULL;
252 case MLX5E_VLAN_RULE_TYPE_ANY_STAG_VID:
253 if (priv->fs.vlan.any_svlan_rule) {
254 mlx5_del_flow_rules(priv->fs.vlan.any_svlan_rule);
255 priv->fs.vlan.any_svlan_rule = NULL;
258 case MLX5E_VLAN_RULE_TYPE_MATCH_VID:
259 mlx5e_vport_context_update_vlans(priv);
260 if (priv->fs.vlan.active_vlans_rule[vid]) {
261 mlx5_del_flow_rules(priv->fs.vlan.active_vlans_rule[vid]);
262 priv->fs.vlan.active_vlans_rule[vid] = NULL;
264 mlx5e_vport_context_update_vlans(priv);
269 static void mlx5e_del_any_vid_rules(struct mlx5e_priv *priv)
271 mlx5e_del_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_ANY_CTAG_VID, 0);
272 mlx5e_del_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_ANY_STAG_VID, 0);
275 static int mlx5e_add_any_vid_rules(struct mlx5e_priv *priv)
279 err = mlx5e_add_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_ANY_CTAG_VID, 0);
283 return mlx5e_add_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_ANY_STAG_VID, 0);
286 void mlx5e_enable_vlan_filter(struct mlx5e_priv *priv)
288 if (!priv->fs.vlan.filter_disabled)
291 priv->fs.vlan.filter_disabled = false;
292 if (priv->netdev->flags & IFF_PROMISC)
294 mlx5e_del_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_ANY_CTAG_VID, 0);
297 void mlx5e_disable_vlan_filter(struct mlx5e_priv *priv)
299 if (priv->fs.vlan.filter_disabled)
302 priv->fs.vlan.filter_disabled = true;
303 if (priv->netdev->flags & IFF_PROMISC)
305 mlx5e_add_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_ANY_CTAG_VID, 0);
308 int mlx5e_vlan_rx_add_vid(struct net_device *dev, __always_unused __be16 proto,
311 struct mlx5e_priv *priv = netdev_priv(dev);
313 set_bit(vid, priv->fs.vlan.active_vlans);
315 return mlx5e_add_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_MATCH_VID, vid);
318 int mlx5e_vlan_rx_kill_vid(struct net_device *dev, __always_unused __be16 proto,
321 struct mlx5e_priv *priv = netdev_priv(dev);
323 clear_bit(vid, priv->fs.vlan.active_vlans);
325 mlx5e_del_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_MATCH_VID, vid);
330 static void mlx5e_add_vlan_rules(struct mlx5e_priv *priv)
334 mlx5e_add_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_UNTAGGED, 0);
336 for_each_set_bit(i, priv->fs.vlan.active_vlans, VLAN_N_VID) {
337 mlx5e_add_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_MATCH_VID, i);
340 if (priv->fs.vlan.filter_disabled &&
341 !(priv->netdev->flags & IFF_PROMISC))
342 mlx5e_add_any_vid_rules(priv);
345 static void mlx5e_del_vlan_rules(struct mlx5e_priv *priv)
349 mlx5e_del_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_UNTAGGED, 0);
351 for_each_set_bit(i, priv->fs.vlan.active_vlans, VLAN_N_VID) {
352 mlx5e_del_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_MATCH_VID, i);
355 if (priv->fs.vlan.filter_disabled &&
356 !(priv->netdev->flags & IFF_PROMISC))
357 mlx5e_del_any_vid_rules(priv);
360 #define mlx5e_for_each_hash_node(hn, tmp, hash, i) \
361 for (i = 0; i < MLX5E_L2_ADDR_HASH_SIZE; i++) \
362 hlist_for_each_entry_safe(hn, tmp, &hash[i], hlist)
364 static void mlx5e_execute_l2_action(struct mlx5e_priv *priv,
365 struct mlx5e_l2_hash_node *hn)
367 u8 action = hn->action;
371 case MLX5E_ACTION_ADD:
372 mlx5e_add_l2_flow_rule(priv, &hn->ai, MLX5E_FULLMATCH);
373 if (!is_multicast_ether_addr(hn->ai.addr)) {
374 l2_err = mlx5_mpfs_add_mac(priv->mdev, hn->ai.addr);
377 hn->action = MLX5E_ACTION_NONE;
380 case MLX5E_ACTION_DEL:
381 if (!is_multicast_ether_addr(hn->ai.addr) && hn->mpfs)
382 l2_err = mlx5_mpfs_del_mac(priv->mdev, hn->ai.addr);
383 mlx5e_del_l2_flow_rule(priv, &hn->ai);
384 mlx5e_del_l2_from_hash(hn);
389 netdev_warn(priv->netdev, "MPFS, failed to %s mac %pM, err(%d)\n",
390 action == MLX5E_ACTION_ADD ? "add" : "del", hn->ai.addr, l2_err);
393 static void mlx5e_sync_netdev_addr(struct mlx5e_priv *priv)
395 struct net_device *netdev = priv->netdev;
396 struct netdev_hw_addr *ha;
398 netif_addr_lock_bh(netdev);
400 mlx5e_add_l2_to_hash(priv->fs.l2.netdev_uc,
401 priv->netdev->dev_addr);
403 netdev_for_each_uc_addr(ha, netdev)
404 mlx5e_add_l2_to_hash(priv->fs.l2.netdev_uc, ha->addr);
406 netdev_for_each_mc_addr(ha, netdev)
407 mlx5e_add_l2_to_hash(priv->fs.l2.netdev_mc, ha->addr);
409 netif_addr_unlock_bh(netdev);
412 static void mlx5e_fill_addr_array(struct mlx5e_priv *priv, int list_type,
413 u8 addr_array[][ETH_ALEN], int size)
415 bool is_uc = (list_type == MLX5_NVPRT_LIST_TYPE_UC);
416 struct net_device *ndev = priv->netdev;
417 struct mlx5e_l2_hash_node *hn;
418 struct hlist_head *addr_list;
419 struct hlist_node *tmp;
423 addr_list = is_uc ? priv->fs.l2.netdev_uc : priv->fs.l2.netdev_mc;
425 if (is_uc) /* Make sure our own address is pushed first */
426 ether_addr_copy(addr_array[i++], ndev->dev_addr);
427 else if (priv->fs.l2.broadcast_enabled)
428 ether_addr_copy(addr_array[i++], ndev->broadcast);
430 mlx5e_for_each_hash_node(hn, tmp, addr_list, hi) {
431 if (ether_addr_equal(ndev->dev_addr, hn->ai.addr))
435 ether_addr_copy(addr_array[i++], hn->ai.addr);
439 static void mlx5e_vport_context_update_addr_list(struct mlx5e_priv *priv,
442 bool is_uc = (list_type == MLX5_NVPRT_LIST_TYPE_UC);
443 struct mlx5e_l2_hash_node *hn;
444 u8 (*addr_array)[ETH_ALEN] = NULL;
445 struct hlist_head *addr_list;
446 struct hlist_node *tmp;
452 size = is_uc ? 0 : (priv->fs.l2.broadcast_enabled ? 1 : 0);
454 1 << MLX5_CAP_GEN(priv->mdev, log_max_current_uc_list) :
455 1 << MLX5_CAP_GEN(priv->mdev, log_max_current_mc_list);
457 addr_list = is_uc ? priv->fs.l2.netdev_uc : priv->fs.l2.netdev_mc;
458 mlx5e_for_each_hash_node(hn, tmp, addr_list, hi)
461 if (size > max_size) {
462 netdev_warn(priv->netdev,
463 "netdev %s list size (%d) > (%d) max vport list size, some addresses will be dropped\n",
464 is_uc ? "UC" : "MC", size, max_size);
469 addr_array = kcalloc(size, ETH_ALEN, GFP_KERNEL);
474 mlx5e_fill_addr_array(priv, list_type, addr_array, size);
477 err = mlx5_modify_nic_vport_mac_list(priv->mdev, list_type, addr_array, size);
480 netdev_err(priv->netdev,
481 "Failed to modify vport %s list err(%d)\n",
482 is_uc ? "UC" : "MC", err);
486 static void mlx5e_vport_context_update(struct mlx5e_priv *priv)
488 struct mlx5e_l2_table *ea = &priv->fs.l2;
490 mlx5e_vport_context_update_addr_list(priv, MLX5_NVPRT_LIST_TYPE_UC);
491 mlx5e_vport_context_update_addr_list(priv, MLX5_NVPRT_LIST_TYPE_MC);
492 mlx5_modify_nic_vport_promisc(priv->mdev, 0,
493 ea->allmulti_enabled,
494 ea->promisc_enabled);
497 static void mlx5e_apply_netdev_addr(struct mlx5e_priv *priv)
499 struct mlx5e_l2_hash_node *hn;
500 struct hlist_node *tmp;
503 mlx5e_for_each_hash_node(hn, tmp, priv->fs.l2.netdev_uc, i)
504 mlx5e_execute_l2_action(priv, hn);
506 mlx5e_for_each_hash_node(hn, tmp, priv->fs.l2.netdev_mc, i)
507 mlx5e_execute_l2_action(priv, hn);
510 static void mlx5e_handle_netdev_addr(struct mlx5e_priv *priv)
512 struct mlx5e_l2_hash_node *hn;
513 struct hlist_node *tmp;
516 mlx5e_for_each_hash_node(hn, tmp, priv->fs.l2.netdev_uc, i)
517 hn->action = MLX5E_ACTION_DEL;
518 mlx5e_for_each_hash_node(hn, tmp, priv->fs.l2.netdev_mc, i)
519 hn->action = MLX5E_ACTION_DEL;
521 if (!test_bit(MLX5E_STATE_DESTROYING, &priv->state))
522 mlx5e_sync_netdev_addr(priv);
524 mlx5e_apply_netdev_addr(priv);
527 void mlx5e_set_rx_mode_work(struct work_struct *work)
529 struct mlx5e_priv *priv = container_of(work, struct mlx5e_priv,
532 struct mlx5e_l2_table *ea = &priv->fs.l2;
533 struct net_device *ndev = priv->netdev;
535 bool rx_mode_enable = !test_bit(MLX5E_STATE_DESTROYING, &priv->state);
536 bool promisc_enabled = rx_mode_enable && (ndev->flags & IFF_PROMISC);
537 bool allmulti_enabled = rx_mode_enable && (ndev->flags & IFF_ALLMULTI);
538 bool broadcast_enabled = rx_mode_enable;
540 bool enable_promisc = !ea->promisc_enabled && promisc_enabled;
541 bool disable_promisc = ea->promisc_enabled && !promisc_enabled;
542 bool enable_allmulti = !ea->allmulti_enabled && allmulti_enabled;
543 bool disable_allmulti = ea->allmulti_enabled && !allmulti_enabled;
544 bool enable_broadcast = !ea->broadcast_enabled && broadcast_enabled;
545 bool disable_broadcast = ea->broadcast_enabled && !broadcast_enabled;
547 if (enable_promisc) {
548 mlx5e_add_l2_flow_rule(priv, &ea->promisc, MLX5E_PROMISC);
549 if (!priv->fs.vlan.filter_disabled)
550 mlx5e_add_any_vid_rules(priv);
553 mlx5e_add_l2_flow_rule(priv, &ea->allmulti, MLX5E_ALLMULTI);
554 if (enable_broadcast)
555 mlx5e_add_l2_flow_rule(priv, &ea->broadcast, MLX5E_FULLMATCH);
557 mlx5e_handle_netdev_addr(priv);
559 if (disable_broadcast)
560 mlx5e_del_l2_flow_rule(priv, &ea->broadcast);
561 if (disable_allmulti)
562 mlx5e_del_l2_flow_rule(priv, &ea->allmulti);
563 if (disable_promisc) {
564 if (!priv->fs.vlan.filter_disabled)
565 mlx5e_del_any_vid_rules(priv);
566 mlx5e_del_l2_flow_rule(priv, &ea->promisc);
569 ea->promisc_enabled = promisc_enabled;
570 ea->allmulti_enabled = allmulti_enabled;
571 ea->broadcast_enabled = broadcast_enabled;
573 mlx5e_vport_context_update(priv);
576 static void mlx5e_destroy_groups(struct mlx5e_flow_table *ft)
580 for (i = ft->num_groups - 1; i >= 0; i--) {
581 if (!IS_ERR_OR_NULL(ft->g[i]))
582 mlx5_destroy_flow_group(ft->g[i]);
588 void mlx5e_init_l2_addr(struct mlx5e_priv *priv)
590 ether_addr_copy(priv->fs.l2.broadcast.addr, priv->netdev->broadcast);
593 void mlx5e_destroy_flow_table(struct mlx5e_flow_table *ft)
595 mlx5e_destroy_groups(ft);
597 mlx5_destroy_flow_table(ft->t);
601 static void mlx5e_cleanup_ttc_rules(struct mlx5e_ttc_table *ttc)
605 for (i = 0; i < MLX5E_NUM_TT; i++) {
606 if (!IS_ERR_OR_NULL(ttc->rules[i])) {
607 mlx5_del_flow_rules(ttc->rules[i]);
608 ttc->rules[i] = NULL;
612 for (i = 0; i < MLX5E_NUM_TUNNEL_TT; i++) {
613 if (!IS_ERR_OR_NULL(ttc->tunnel_rules[i])) {
614 mlx5_del_flow_rules(ttc->tunnel_rules[i]);
615 ttc->tunnel_rules[i] = NULL;
620 struct mlx5e_etype_proto {
625 static struct mlx5e_etype_proto ttc_rules[] = {
626 [MLX5E_TT_IPV4_TCP] = {
628 .proto = IPPROTO_TCP,
630 [MLX5E_TT_IPV6_TCP] = {
632 .proto = IPPROTO_TCP,
634 [MLX5E_TT_IPV4_UDP] = {
636 .proto = IPPROTO_UDP,
638 [MLX5E_TT_IPV6_UDP] = {
640 .proto = IPPROTO_UDP,
642 [MLX5E_TT_IPV4_IPSEC_AH] = {
646 [MLX5E_TT_IPV6_IPSEC_AH] = {
650 [MLX5E_TT_IPV4_IPSEC_ESP] = {
652 .proto = IPPROTO_ESP,
654 [MLX5E_TT_IPV6_IPSEC_ESP] = {
656 .proto = IPPROTO_ESP,
672 static struct mlx5e_etype_proto ttc_tunnel_rules[] = {
673 [MLX5E_TT_IPV4_GRE] = {
675 .proto = IPPROTO_GRE,
677 [MLX5E_TT_IPV6_GRE] = {
679 .proto = IPPROTO_GRE,
683 static u8 mlx5e_etype_to_ipv(u16 ethertype)
685 if (ethertype == ETH_P_IP)
688 if (ethertype == ETH_P_IPV6)
694 static struct mlx5_flow_handle *
695 mlx5e_generate_ttc_rule(struct mlx5e_priv *priv,
696 struct mlx5_flow_table *ft,
697 struct mlx5_flow_destination *dest,
701 int match_ipv_outer = MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ft_field_support.outer_ip_version);
702 MLX5_DECLARE_FLOW_ACT(flow_act);
703 struct mlx5_flow_handle *rule;
704 struct mlx5_flow_spec *spec;
708 spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
710 return ERR_PTR(-ENOMEM);
713 spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
714 MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.ip_protocol);
715 MLX5_SET(fte_match_param, spec->match_value, outer_headers.ip_protocol, proto);
718 ipv = mlx5e_etype_to_ipv(etype);
719 if (match_ipv_outer && ipv) {
720 spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
721 MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.ip_version);
722 MLX5_SET(fte_match_param, spec->match_value, outer_headers.ip_version, ipv);
724 spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
725 MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.ethertype);
726 MLX5_SET(fte_match_param, spec->match_value, outer_headers.ethertype, etype);
729 rule = mlx5_add_flow_rules(ft, spec, &flow_act, dest, 1);
732 netdev_err(priv->netdev, "%s: add rule failed\n", __func__);
736 return err ? ERR_PTR(err) : rule;
739 static int mlx5e_generate_ttc_table_rules(struct mlx5e_priv *priv)
741 struct mlx5_flow_destination dest;
742 struct mlx5e_ttc_table *ttc;
743 struct mlx5_flow_handle **rules;
744 struct mlx5_flow_table *ft;
752 dest.type = MLX5_FLOW_DESTINATION_TYPE_TIR;
753 for (tt = 0; tt < MLX5E_NUM_TT; tt++) {
754 if (tt == MLX5E_TT_ANY)
755 dest.tir_num = priv->direct_tir[0].tirn;
757 dest.tir_num = priv->indir_tir[tt].tirn;
758 rules[tt] = mlx5e_generate_ttc_rule(priv, ft, &dest,
760 ttc_rules[tt].proto);
761 if (IS_ERR(rules[tt]))
765 if (!mlx5e_tunnel_inner_ft_supported(priv->mdev))
768 rules = ttc->tunnel_rules;
769 dest.type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
770 dest.ft = priv->fs.inner_ttc.ft.t;
771 for (tt = 0; tt < MLX5E_NUM_TUNNEL_TT; tt++) {
772 rules[tt] = mlx5e_generate_ttc_rule(priv, ft, &dest,
773 ttc_tunnel_rules[tt].etype,
774 ttc_tunnel_rules[tt].proto);
775 if (IS_ERR(rules[tt]))
782 err = PTR_ERR(rules[tt]);
784 mlx5e_cleanup_ttc_rules(ttc);
788 #define MLX5E_TTC_NUM_GROUPS 3
789 #define MLX5E_TTC_GROUP1_SIZE (BIT(3) + MLX5E_NUM_TUNNEL_TT)
790 #define MLX5E_TTC_GROUP2_SIZE BIT(1)
791 #define MLX5E_TTC_GROUP3_SIZE BIT(0)
792 #define MLX5E_TTC_TABLE_SIZE (MLX5E_TTC_GROUP1_SIZE +\
793 MLX5E_TTC_GROUP2_SIZE +\
794 MLX5E_TTC_GROUP3_SIZE)
796 #define MLX5E_INNER_TTC_NUM_GROUPS 3
797 #define MLX5E_INNER_TTC_GROUP1_SIZE BIT(3)
798 #define MLX5E_INNER_TTC_GROUP2_SIZE BIT(1)
799 #define MLX5E_INNER_TTC_GROUP3_SIZE BIT(0)
800 #define MLX5E_INNER_TTC_TABLE_SIZE (MLX5E_INNER_TTC_GROUP1_SIZE +\
801 MLX5E_INNER_TTC_GROUP2_SIZE +\
802 MLX5E_INNER_TTC_GROUP3_SIZE)
804 static int mlx5e_create_ttc_table_groups(struct mlx5e_ttc_table *ttc,
807 int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
808 struct mlx5e_flow_table *ft = &ttc->ft;
814 ft->g = kcalloc(MLX5E_TTC_NUM_GROUPS,
815 sizeof(*ft->g), GFP_KERNEL);
818 in = kvzalloc(inlen, GFP_KERNEL);
825 mc = MLX5_ADDR_OF(create_flow_group_in, in, match_criteria);
826 MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.ip_protocol);
828 MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.ip_version);
830 MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.ethertype);
831 MLX5_SET_CFG(in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
832 MLX5_SET_CFG(in, start_flow_index, ix);
833 ix += MLX5E_TTC_GROUP1_SIZE;
834 MLX5_SET_CFG(in, end_flow_index, ix - 1);
835 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
836 if (IS_ERR(ft->g[ft->num_groups]))
841 MLX5_SET(fte_match_param, mc, outer_headers.ip_protocol, 0);
842 MLX5_SET_CFG(in, start_flow_index, ix);
843 ix += MLX5E_TTC_GROUP2_SIZE;
844 MLX5_SET_CFG(in, end_flow_index, ix - 1);
845 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
846 if (IS_ERR(ft->g[ft->num_groups]))
851 memset(in, 0, inlen);
852 MLX5_SET_CFG(in, start_flow_index, ix);
853 ix += MLX5E_TTC_GROUP3_SIZE;
854 MLX5_SET_CFG(in, end_flow_index, ix - 1);
855 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
856 if (IS_ERR(ft->g[ft->num_groups]))
864 err = PTR_ERR(ft->g[ft->num_groups]);
865 ft->g[ft->num_groups] = NULL;
871 static struct mlx5_flow_handle *
872 mlx5e_generate_inner_ttc_rule(struct mlx5e_priv *priv,
873 struct mlx5_flow_table *ft,
874 struct mlx5_flow_destination *dest,
877 MLX5_DECLARE_FLOW_ACT(flow_act);
878 struct mlx5_flow_handle *rule;
879 struct mlx5_flow_spec *spec;
883 spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
885 return ERR_PTR(-ENOMEM);
887 ipv = mlx5e_etype_to_ipv(etype);
889 spec->match_criteria_enable = MLX5_MATCH_INNER_HEADERS;
890 MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, inner_headers.ip_version);
891 MLX5_SET(fte_match_param, spec->match_value, inner_headers.ip_version, ipv);
895 spec->match_criteria_enable = MLX5_MATCH_INNER_HEADERS;
896 MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, inner_headers.ip_protocol);
897 MLX5_SET(fte_match_param, spec->match_value, inner_headers.ip_protocol, proto);
900 rule = mlx5_add_flow_rules(ft, spec, &flow_act, dest, 1);
903 netdev_err(priv->netdev, "%s: add rule failed\n", __func__);
907 return err ? ERR_PTR(err) : rule;
910 static int mlx5e_generate_inner_ttc_table_rules(struct mlx5e_priv *priv)
912 struct mlx5_flow_destination dest;
913 struct mlx5_flow_handle **rules;
914 struct mlx5e_ttc_table *ttc;
915 struct mlx5_flow_table *ft;
919 ttc = &priv->fs.inner_ttc;
923 dest.type = MLX5_FLOW_DESTINATION_TYPE_TIR;
924 for (tt = 0; tt < MLX5E_NUM_TT; tt++) {
925 if (tt == MLX5E_TT_ANY)
926 dest.tir_num = priv->direct_tir[0].tirn;
928 dest.tir_num = priv->inner_indir_tir[tt].tirn;
930 rules[tt] = mlx5e_generate_inner_ttc_rule(priv, ft, &dest,
932 ttc_rules[tt].proto);
933 if (IS_ERR(rules[tt]))
940 err = PTR_ERR(rules[tt]);
942 mlx5e_cleanup_ttc_rules(ttc);
946 static int mlx5e_create_inner_ttc_table_groups(struct mlx5e_ttc_table *ttc)
948 int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
949 struct mlx5e_flow_table *ft = &ttc->ft;
955 ft->g = kcalloc(MLX5E_INNER_TTC_NUM_GROUPS, sizeof(*ft->g), GFP_KERNEL);
958 in = kvzalloc(inlen, GFP_KERNEL);
965 mc = MLX5_ADDR_OF(create_flow_group_in, in, match_criteria);
966 MLX5_SET_TO_ONES(fte_match_param, mc, inner_headers.ip_protocol);
967 MLX5_SET_TO_ONES(fte_match_param, mc, inner_headers.ip_version);
968 MLX5_SET_CFG(in, match_criteria_enable, MLX5_MATCH_INNER_HEADERS);
969 MLX5_SET_CFG(in, start_flow_index, ix);
970 ix += MLX5E_INNER_TTC_GROUP1_SIZE;
971 MLX5_SET_CFG(in, end_flow_index, ix - 1);
972 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
973 if (IS_ERR(ft->g[ft->num_groups]))
978 MLX5_SET(fte_match_param, mc, inner_headers.ip_protocol, 0);
979 MLX5_SET_CFG(in, start_flow_index, ix);
980 ix += MLX5E_INNER_TTC_GROUP2_SIZE;
981 MLX5_SET_CFG(in, end_flow_index, ix - 1);
982 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
983 if (IS_ERR(ft->g[ft->num_groups]))
988 memset(in, 0, inlen);
989 MLX5_SET_CFG(in, start_flow_index, ix);
990 ix += MLX5E_INNER_TTC_GROUP3_SIZE;
991 MLX5_SET_CFG(in, end_flow_index, ix - 1);
992 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
993 if (IS_ERR(ft->g[ft->num_groups]))
1001 err = PTR_ERR(ft->g[ft->num_groups]);
1002 ft->g[ft->num_groups] = NULL;
1008 static int mlx5e_create_inner_ttc_table(struct mlx5e_priv *priv)
1010 struct mlx5e_ttc_table *ttc = &priv->fs.inner_ttc;
1011 struct mlx5_flow_table_attr ft_attr = {};
1012 struct mlx5e_flow_table *ft = &ttc->ft;
1015 if (!mlx5e_tunnel_inner_ft_supported(priv->mdev))
1018 ft_attr.max_fte = MLX5E_INNER_TTC_TABLE_SIZE;
1019 ft_attr.level = MLX5E_INNER_TTC_FT_LEVEL;
1020 ft_attr.prio = MLX5E_NIC_PRIO;
1022 ft->t = mlx5_create_flow_table(priv->fs.ns, &ft_attr);
1023 if (IS_ERR(ft->t)) {
1024 err = PTR_ERR(ft->t);
1029 err = mlx5e_create_inner_ttc_table_groups(ttc);
1033 err = mlx5e_generate_inner_ttc_table_rules(priv);
1040 mlx5e_destroy_flow_table(ft);
1044 static void mlx5e_destroy_inner_ttc_table(struct mlx5e_priv *priv)
1046 struct mlx5e_ttc_table *ttc = &priv->fs.inner_ttc;
1048 if (!mlx5e_tunnel_inner_ft_supported(priv->mdev))
1051 mlx5e_cleanup_ttc_rules(ttc);
1052 mlx5e_destroy_flow_table(&ttc->ft);
1055 void mlx5e_destroy_ttc_table(struct mlx5e_priv *priv)
1057 struct mlx5e_ttc_table *ttc = &priv->fs.ttc;
1059 mlx5e_cleanup_ttc_rules(ttc);
1060 mlx5e_destroy_flow_table(&ttc->ft);
1063 int mlx5e_create_ttc_table(struct mlx5e_priv *priv)
1065 bool match_ipv_outer = MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ft_field_support.outer_ip_version);
1066 struct mlx5e_ttc_table *ttc = &priv->fs.ttc;
1067 struct mlx5_flow_table_attr ft_attr = {};
1068 struct mlx5e_flow_table *ft = &ttc->ft;
1071 ft_attr.max_fte = MLX5E_TTC_TABLE_SIZE;
1072 ft_attr.level = MLX5E_TTC_FT_LEVEL;
1073 ft_attr.prio = MLX5E_NIC_PRIO;
1075 ft->t = mlx5_create_flow_table(priv->fs.ns, &ft_attr);
1076 if (IS_ERR(ft->t)) {
1077 err = PTR_ERR(ft->t);
1082 err = mlx5e_create_ttc_table_groups(ttc, match_ipv_outer);
1086 err = mlx5e_generate_ttc_table_rules(priv);
1092 mlx5e_destroy_flow_table(ft);
1096 static void mlx5e_del_l2_flow_rule(struct mlx5e_priv *priv,
1097 struct mlx5e_l2_rule *ai)
1099 if (!IS_ERR_OR_NULL(ai->rule)) {
1100 mlx5_del_flow_rules(ai->rule);
1105 static int mlx5e_add_l2_flow_rule(struct mlx5e_priv *priv,
1106 struct mlx5e_l2_rule *ai, int type)
1108 struct mlx5_flow_table *ft = priv->fs.l2.ft.t;
1109 struct mlx5_flow_destination dest;
1110 MLX5_DECLARE_FLOW_ACT(flow_act);
1111 struct mlx5_flow_spec *spec;
1116 spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
1120 mc_dmac = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
1121 outer_headers.dmac_47_16);
1122 mv_dmac = MLX5_ADDR_OF(fte_match_param, spec->match_value,
1123 outer_headers.dmac_47_16);
1125 dest.type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
1126 dest.ft = priv->fs.ttc.ft.t;
1129 case MLX5E_FULLMATCH:
1130 spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
1131 eth_broadcast_addr(mc_dmac);
1132 ether_addr_copy(mv_dmac, ai->addr);
1135 case MLX5E_ALLMULTI:
1136 spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
1145 ai->rule = mlx5_add_flow_rules(ft, spec, &flow_act, &dest, 1);
1146 if (IS_ERR(ai->rule)) {
1147 netdev_err(priv->netdev, "%s: add l2 rule(mac:%pM) failed\n",
1149 err = PTR_ERR(ai->rule);
1158 #define MLX5E_NUM_L2_GROUPS 3
1159 #define MLX5E_L2_GROUP1_SIZE BIT(0)
1160 #define MLX5E_L2_GROUP2_SIZE BIT(15)
1161 #define MLX5E_L2_GROUP3_SIZE BIT(0)
1162 #define MLX5E_L2_TABLE_SIZE (MLX5E_L2_GROUP1_SIZE +\
1163 MLX5E_L2_GROUP2_SIZE +\
1164 MLX5E_L2_GROUP3_SIZE)
1165 static int mlx5e_create_l2_table_groups(struct mlx5e_l2_table *l2_table)
1167 int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
1168 struct mlx5e_flow_table *ft = &l2_table->ft;
1175 ft->g = kcalloc(MLX5E_NUM_L2_GROUPS, sizeof(*ft->g), GFP_KERNEL);
1178 in = kvzalloc(inlen, GFP_KERNEL);
1184 mc = MLX5_ADDR_OF(create_flow_group_in, in, match_criteria);
1185 mc_dmac = MLX5_ADDR_OF(fte_match_param, mc,
1186 outer_headers.dmac_47_16);
1187 /* Flow Group for promiscuous */
1188 MLX5_SET_CFG(in, start_flow_index, ix);
1189 ix += MLX5E_L2_GROUP1_SIZE;
1190 MLX5_SET_CFG(in, end_flow_index, ix - 1);
1191 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
1192 if (IS_ERR(ft->g[ft->num_groups]))
1193 goto err_destroy_groups;
1196 /* Flow Group for full match */
1197 eth_broadcast_addr(mc_dmac);
1198 MLX5_SET_CFG(in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
1199 MLX5_SET_CFG(in, start_flow_index, ix);
1200 ix += MLX5E_L2_GROUP2_SIZE;
1201 MLX5_SET_CFG(in, end_flow_index, ix - 1);
1202 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
1203 if (IS_ERR(ft->g[ft->num_groups]))
1204 goto err_destroy_groups;
1207 /* Flow Group for allmulti */
1208 eth_zero_addr(mc_dmac);
1210 MLX5_SET_CFG(in, start_flow_index, ix);
1211 ix += MLX5E_L2_GROUP3_SIZE;
1212 MLX5_SET_CFG(in, end_flow_index, ix - 1);
1213 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
1214 if (IS_ERR(ft->g[ft->num_groups]))
1215 goto err_destroy_groups;
1222 err = PTR_ERR(ft->g[ft->num_groups]);
1223 ft->g[ft->num_groups] = NULL;
1224 mlx5e_destroy_groups(ft);
1230 static void mlx5e_destroy_l2_table(struct mlx5e_priv *priv)
1232 mlx5e_destroy_flow_table(&priv->fs.l2.ft);
1235 static int mlx5e_create_l2_table(struct mlx5e_priv *priv)
1237 struct mlx5e_l2_table *l2_table = &priv->fs.l2;
1238 struct mlx5e_flow_table *ft = &l2_table->ft;
1239 struct mlx5_flow_table_attr ft_attr = {};
1244 ft_attr.max_fte = MLX5E_L2_TABLE_SIZE;
1245 ft_attr.level = MLX5E_L2_FT_LEVEL;
1246 ft_attr.prio = MLX5E_NIC_PRIO;
1248 ft->t = mlx5_create_flow_table(priv->fs.ns, &ft_attr);
1249 if (IS_ERR(ft->t)) {
1250 err = PTR_ERR(ft->t);
1255 err = mlx5e_create_l2_table_groups(l2_table);
1257 goto err_destroy_flow_table;
1261 err_destroy_flow_table:
1262 mlx5_destroy_flow_table(ft->t);
1268 #define MLX5E_NUM_VLAN_GROUPS 3
1269 #define MLX5E_VLAN_GROUP0_SIZE BIT(12)
1270 #define MLX5E_VLAN_GROUP1_SIZE BIT(1)
1271 #define MLX5E_VLAN_GROUP2_SIZE BIT(0)
1272 #define MLX5E_VLAN_TABLE_SIZE (MLX5E_VLAN_GROUP0_SIZE +\
1273 MLX5E_VLAN_GROUP1_SIZE +\
1274 MLX5E_VLAN_GROUP2_SIZE)
1276 static int __mlx5e_create_vlan_table_groups(struct mlx5e_flow_table *ft, u32 *in,
1281 u8 *mc = MLX5_ADDR_OF(create_flow_group_in, in, match_criteria);
1283 memset(in, 0, inlen);
1284 MLX5_SET_CFG(in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
1285 MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.cvlan_tag);
1286 MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.first_vid);
1287 MLX5_SET_CFG(in, start_flow_index, ix);
1288 ix += MLX5E_VLAN_GROUP0_SIZE;
1289 MLX5_SET_CFG(in, end_flow_index, ix - 1);
1290 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
1291 if (IS_ERR(ft->g[ft->num_groups]))
1292 goto err_destroy_groups;
1295 memset(in, 0, inlen);
1296 MLX5_SET_CFG(in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
1297 MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.cvlan_tag);
1298 MLX5_SET_CFG(in, start_flow_index, ix);
1299 ix += MLX5E_VLAN_GROUP1_SIZE;
1300 MLX5_SET_CFG(in, end_flow_index, ix - 1);
1301 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
1302 if (IS_ERR(ft->g[ft->num_groups]))
1303 goto err_destroy_groups;
1306 memset(in, 0, inlen);
1307 MLX5_SET_CFG(in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
1308 MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.svlan_tag);
1309 MLX5_SET_CFG(in, start_flow_index, ix);
1310 ix += MLX5E_VLAN_GROUP2_SIZE;
1311 MLX5_SET_CFG(in, end_flow_index, ix - 1);
1312 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
1313 if (IS_ERR(ft->g[ft->num_groups]))
1314 goto err_destroy_groups;
1320 err = PTR_ERR(ft->g[ft->num_groups]);
1321 ft->g[ft->num_groups] = NULL;
1322 mlx5e_destroy_groups(ft);
1327 static int mlx5e_create_vlan_table_groups(struct mlx5e_flow_table *ft)
1330 int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
1333 in = kvzalloc(inlen, GFP_KERNEL);
1337 err = __mlx5e_create_vlan_table_groups(ft, in, inlen);
1343 static int mlx5e_create_vlan_table(struct mlx5e_priv *priv)
1345 struct mlx5e_flow_table *ft = &priv->fs.vlan.ft;
1346 struct mlx5_flow_table_attr ft_attr = {};
1351 ft_attr.max_fte = MLX5E_VLAN_TABLE_SIZE;
1352 ft_attr.level = MLX5E_VLAN_FT_LEVEL;
1353 ft_attr.prio = MLX5E_NIC_PRIO;
1355 ft->t = mlx5_create_flow_table(priv->fs.ns, &ft_attr);
1357 if (IS_ERR(ft->t)) {
1358 err = PTR_ERR(ft->t);
1362 ft->g = kcalloc(MLX5E_NUM_VLAN_GROUPS, sizeof(*ft->g), GFP_KERNEL);
1365 goto err_destroy_vlan_table;
1368 err = mlx5e_create_vlan_table_groups(ft);
1372 mlx5e_add_vlan_rules(priv);
1378 err_destroy_vlan_table:
1379 mlx5_destroy_flow_table(ft->t);
1385 static void mlx5e_destroy_vlan_table(struct mlx5e_priv *priv)
1387 mlx5e_del_vlan_rules(priv);
1388 mlx5e_destroy_flow_table(&priv->fs.vlan.ft);
1391 int mlx5e_create_flow_steering(struct mlx5e_priv *priv)
1395 priv->fs.ns = mlx5_get_flow_namespace(priv->mdev,
1396 MLX5_FLOW_NAMESPACE_KERNEL);
1401 err = mlx5e_arfs_create_tables(priv);
1403 netdev_err(priv->netdev, "Failed to create arfs tables, err=%d\n",
1405 priv->netdev->hw_features &= ~NETIF_F_NTUPLE;
1408 err = mlx5e_create_inner_ttc_table(priv);
1410 netdev_err(priv->netdev, "Failed to create inner ttc table, err=%d\n",
1412 goto err_destroy_arfs_tables;
1415 err = mlx5e_create_ttc_table(priv);
1417 netdev_err(priv->netdev, "Failed to create ttc table, err=%d\n",
1419 goto err_destroy_inner_ttc_table;
1422 err = mlx5e_create_l2_table(priv);
1424 netdev_err(priv->netdev, "Failed to create l2 table, err=%d\n",
1426 goto err_destroy_ttc_table;
1429 err = mlx5e_create_vlan_table(priv);
1431 netdev_err(priv->netdev, "Failed to create vlan table, err=%d\n",
1433 goto err_destroy_l2_table;
1436 mlx5e_ethtool_init_steering(priv);
1440 err_destroy_l2_table:
1441 mlx5e_destroy_l2_table(priv);
1442 err_destroy_ttc_table:
1443 mlx5e_destroy_ttc_table(priv);
1444 err_destroy_inner_ttc_table:
1445 mlx5e_destroy_inner_ttc_table(priv);
1446 err_destroy_arfs_tables:
1447 mlx5e_arfs_destroy_tables(priv);
1452 void mlx5e_destroy_flow_steering(struct mlx5e_priv *priv)
1454 mlx5e_destroy_vlan_table(priv);
1455 mlx5e_destroy_l2_table(priv);
1456 mlx5e_destroy_ttc_table(priv);
1457 mlx5e_destroy_inner_ttc_table(priv);
1458 mlx5e_arfs_destroy_tables(priv);
1459 mlx5e_ethtool_cleanup_steering(priv);