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
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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;
368 u8 mac_addr[ETH_ALEN];
371 ether_addr_copy(mac_addr, hn->ai.addr);
374 case MLX5E_ACTION_ADD:
375 mlx5e_add_l2_flow_rule(priv, &hn->ai, MLX5E_FULLMATCH);
376 if (!is_multicast_ether_addr(mac_addr)) {
377 l2_err = mlx5_mpfs_add_mac(priv->mdev, mac_addr);
380 hn->action = MLX5E_ACTION_NONE;
383 case MLX5E_ACTION_DEL:
384 if (!is_multicast_ether_addr(mac_addr) && hn->mpfs)
385 l2_err = mlx5_mpfs_del_mac(priv->mdev, mac_addr);
386 mlx5e_del_l2_flow_rule(priv, &hn->ai);
387 mlx5e_del_l2_from_hash(hn);
392 netdev_warn(priv->netdev, "MPFS, failed to %s mac %pM, err(%d)\n",
393 action == MLX5E_ACTION_ADD ? "add" : "del", mac_addr, l2_err);
396 static void mlx5e_sync_netdev_addr(struct mlx5e_priv *priv)
398 struct net_device *netdev = priv->netdev;
399 struct netdev_hw_addr *ha;
401 netif_addr_lock_bh(netdev);
403 mlx5e_add_l2_to_hash(priv->fs.l2.netdev_uc,
404 priv->netdev->dev_addr);
406 netdev_for_each_uc_addr(ha, netdev)
407 mlx5e_add_l2_to_hash(priv->fs.l2.netdev_uc, ha->addr);
409 netdev_for_each_mc_addr(ha, netdev)
410 mlx5e_add_l2_to_hash(priv->fs.l2.netdev_mc, ha->addr);
412 netif_addr_unlock_bh(netdev);
415 static void mlx5e_fill_addr_array(struct mlx5e_priv *priv, int list_type,
416 u8 addr_array[][ETH_ALEN], int size)
418 bool is_uc = (list_type == MLX5_NVPRT_LIST_TYPE_UC);
419 struct net_device *ndev = priv->netdev;
420 struct mlx5e_l2_hash_node *hn;
421 struct hlist_head *addr_list;
422 struct hlist_node *tmp;
426 addr_list = is_uc ? priv->fs.l2.netdev_uc : priv->fs.l2.netdev_mc;
428 if (is_uc) /* Make sure our own address is pushed first */
429 ether_addr_copy(addr_array[i++], ndev->dev_addr);
430 else if (priv->fs.l2.broadcast_enabled)
431 ether_addr_copy(addr_array[i++], ndev->broadcast);
433 mlx5e_for_each_hash_node(hn, tmp, addr_list, hi) {
434 if (ether_addr_equal(ndev->dev_addr, hn->ai.addr))
438 ether_addr_copy(addr_array[i++], hn->ai.addr);
442 static void mlx5e_vport_context_update_addr_list(struct mlx5e_priv *priv,
445 bool is_uc = (list_type == MLX5_NVPRT_LIST_TYPE_UC);
446 struct mlx5e_l2_hash_node *hn;
447 u8 (*addr_array)[ETH_ALEN] = NULL;
448 struct hlist_head *addr_list;
449 struct hlist_node *tmp;
455 size = is_uc ? 0 : (priv->fs.l2.broadcast_enabled ? 1 : 0);
457 1 << MLX5_CAP_GEN(priv->mdev, log_max_current_uc_list) :
458 1 << MLX5_CAP_GEN(priv->mdev, log_max_current_mc_list);
460 addr_list = is_uc ? priv->fs.l2.netdev_uc : priv->fs.l2.netdev_mc;
461 mlx5e_for_each_hash_node(hn, tmp, addr_list, hi)
464 if (size > max_size) {
465 netdev_warn(priv->netdev,
466 "netdev %s list size (%d) > (%d) max vport list size, some addresses will be dropped\n",
467 is_uc ? "UC" : "MC", size, max_size);
472 addr_array = kcalloc(size, ETH_ALEN, GFP_KERNEL);
477 mlx5e_fill_addr_array(priv, list_type, addr_array, size);
480 err = mlx5_modify_nic_vport_mac_list(priv->mdev, list_type, addr_array, size);
483 netdev_err(priv->netdev,
484 "Failed to modify vport %s list err(%d)\n",
485 is_uc ? "UC" : "MC", err);
489 static void mlx5e_vport_context_update(struct mlx5e_priv *priv)
491 struct mlx5e_l2_table *ea = &priv->fs.l2;
493 mlx5e_vport_context_update_addr_list(priv, MLX5_NVPRT_LIST_TYPE_UC);
494 mlx5e_vport_context_update_addr_list(priv, MLX5_NVPRT_LIST_TYPE_MC);
495 mlx5_modify_nic_vport_promisc(priv->mdev, 0,
496 ea->allmulti_enabled,
497 ea->promisc_enabled);
500 static void mlx5e_apply_netdev_addr(struct mlx5e_priv *priv)
502 struct mlx5e_l2_hash_node *hn;
503 struct hlist_node *tmp;
506 mlx5e_for_each_hash_node(hn, tmp, priv->fs.l2.netdev_uc, i)
507 mlx5e_execute_l2_action(priv, hn);
509 mlx5e_for_each_hash_node(hn, tmp, priv->fs.l2.netdev_mc, i)
510 mlx5e_execute_l2_action(priv, hn);
513 static void mlx5e_handle_netdev_addr(struct mlx5e_priv *priv)
515 struct mlx5e_l2_hash_node *hn;
516 struct hlist_node *tmp;
519 mlx5e_for_each_hash_node(hn, tmp, priv->fs.l2.netdev_uc, i)
520 hn->action = MLX5E_ACTION_DEL;
521 mlx5e_for_each_hash_node(hn, tmp, priv->fs.l2.netdev_mc, i)
522 hn->action = MLX5E_ACTION_DEL;
524 if (!test_bit(MLX5E_STATE_DESTROYING, &priv->state))
525 mlx5e_sync_netdev_addr(priv);
527 mlx5e_apply_netdev_addr(priv);
530 void mlx5e_set_rx_mode_work(struct work_struct *work)
532 struct mlx5e_priv *priv = container_of(work, struct mlx5e_priv,
535 struct mlx5e_l2_table *ea = &priv->fs.l2;
536 struct net_device *ndev = priv->netdev;
538 bool rx_mode_enable = !test_bit(MLX5E_STATE_DESTROYING, &priv->state);
539 bool promisc_enabled = rx_mode_enable && (ndev->flags & IFF_PROMISC);
540 bool allmulti_enabled = rx_mode_enable && (ndev->flags & IFF_ALLMULTI);
541 bool broadcast_enabled = rx_mode_enable;
543 bool enable_promisc = !ea->promisc_enabled && promisc_enabled;
544 bool disable_promisc = ea->promisc_enabled && !promisc_enabled;
545 bool enable_allmulti = !ea->allmulti_enabled && allmulti_enabled;
546 bool disable_allmulti = ea->allmulti_enabled && !allmulti_enabled;
547 bool enable_broadcast = !ea->broadcast_enabled && broadcast_enabled;
548 bool disable_broadcast = ea->broadcast_enabled && !broadcast_enabled;
550 if (enable_promisc) {
551 mlx5e_add_l2_flow_rule(priv, &ea->promisc, MLX5E_PROMISC);
552 if (!priv->fs.vlan.filter_disabled)
553 mlx5e_add_any_vid_rules(priv);
556 mlx5e_add_l2_flow_rule(priv, &ea->allmulti, MLX5E_ALLMULTI);
557 if (enable_broadcast)
558 mlx5e_add_l2_flow_rule(priv, &ea->broadcast, MLX5E_FULLMATCH);
560 mlx5e_handle_netdev_addr(priv);
562 if (disable_broadcast)
563 mlx5e_del_l2_flow_rule(priv, &ea->broadcast);
564 if (disable_allmulti)
565 mlx5e_del_l2_flow_rule(priv, &ea->allmulti);
566 if (disable_promisc) {
567 if (!priv->fs.vlan.filter_disabled)
568 mlx5e_del_any_vid_rules(priv);
569 mlx5e_del_l2_flow_rule(priv, &ea->promisc);
572 ea->promisc_enabled = promisc_enabled;
573 ea->allmulti_enabled = allmulti_enabled;
574 ea->broadcast_enabled = broadcast_enabled;
576 mlx5e_vport_context_update(priv);
579 static void mlx5e_destroy_groups(struct mlx5e_flow_table *ft)
583 for (i = ft->num_groups - 1; i >= 0; i--) {
584 if (!IS_ERR_OR_NULL(ft->g[i]))
585 mlx5_destroy_flow_group(ft->g[i]);
591 void mlx5e_init_l2_addr(struct mlx5e_priv *priv)
593 ether_addr_copy(priv->fs.l2.broadcast.addr, priv->netdev->broadcast);
596 void mlx5e_destroy_flow_table(struct mlx5e_flow_table *ft)
598 mlx5e_destroy_groups(ft);
600 mlx5_destroy_flow_table(ft->t);
604 static void mlx5e_cleanup_ttc_rules(struct mlx5e_ttc_table *ttc)
608 for (i = 0; i < MLX5E_NUM_TT; i++) {
609 if (!IS_ERR_OR_NULL(ttc->rules[i])) {
610 mlx5_del_flow_rules(ttc->rules[i]);
611 ttc->rules[i] = NULL;
615 for (i = 0; i < MLX5E_NUM_TUNNEL_TT; i++) {
616 if (!IS_ERR_OR_NULL(ttc->tunnel_rules[i])) {
617 mlx5_del_flow_rules(ttc->tunnel_rules[i]);
618 ttc->tunnel_rules[i] = NULL;
623 struct mlx5e_etype_proto {
628 static struct mlx5e_etype_proto ttc_rules[] = {
629 [MLX5E_TT_IPV4_TCP] = {
631 .proto = IPPROTO_TCP,
633 [MLX5E_TT_IPV6_TCP] = {
635 .proto = IPPROTO_TCP,
637 [MLX5E_TT_IPV4_UDP] = {
639 .proto = IPPROTO_UDP,
641 [MLX5E_TT_IPV6_UDP] = {
643 .proto = IPPROTO_UDP,
645 [MLX5E_TT_IPV4_IPSEC_AH] = {
649 [MLX5E_TT_IPV6_IPSEC_AH] = {
653 [MLX5E_TT_IPV4_IPSEC_ESP] = {
655 .proto = IPPROTO_ESP,
657 [MLX5E_TT_IPV6_IPSEC_ESP] = {
659 .proto = IPPROTO_ESP,
675 static struct mlx5e_etype_proto ttc_tunnel_rules[] = {
676 [MLX5E_TT_IPV4_GRE] = {
678 .proto = IPPROTO_GRE,
680 [MLX5E_TT_IPV6_GRE] = {
682 .proto = IPPROTO_GRE,
686 static u8 mlx5e_etype_to_ipv(u16 ethertype)
688 if (ethertype == ETH_P_IP)
691 if (ethertype == ETH_P_IPV6)
697 static struct mlx5_flow_handle *
698 mlx5e_generate_ttc_rule(struct mlx5e_priv *priv,
699 struct mlx5_flow_table *ft,
700 struct mlx5_flow_destination *dest,
704 int match_ipv_outer = MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ft_field_support.outer_ip_version);
705 MLX5_DECLARE_FLOW_ACT(flow_act);
706 struct mlx5_flow_handle *rule;
707 struct mlx5_flow_spec *spec;
711 spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
713 return ERR_PTR(-ENOMEM);
716 spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
717 MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.ip_protocol);
718 MLX5_SET(fte_match_param, spec->match_value, outer_headers.ip_protocol, proto);
721 ipv = mlx5e_etype_to_ipv(etype);
722 if (match_ipv_outer && ipv) {
723 spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
724 MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.ip_version);
725 MLX5_SET(fte_match_param, spec->match_value, outer_headers.ip_version, ipv);
727 spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
728 MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.ethertype);
729 MLX5_SET(fte_match_param, spec->match_value, outer_headers.ethertype, etype);
732 rule = mlx5_add_flow_rules(ft, spec, &flow_act, dest, 1);
735 netdev_err(priv->netdev, "%s: add rule failed\n", __func__);
739 return err ? ERR_PTR(err) : rule;
742 static int mlx5e_generate_ttc_table_rules(struct mlx5e_priv *priv)
744 struct mlx5_flow_destination dest;
745 struct mlx5e_ttc_table *ttc;
746 struct mlx5_flow_handle **rules;
747 struct mlx5_flow_table *ft;
755 dest.type = MLX5_FLOW_DESTINATION_TYPE_TIR;
756 for (tt = 0; tt < MLX5E_NUM_TT; tt++) {
757 if (tt == MLX5E_TT_ANY)
758 dest.tir_num = priv->direct_tir[0].tirn;
760 dest.tir_num = priv->indir_tir[tt].tirn;
761 rules[tt] = mlx5e_generate_ttc_rule(priv, ft, &dest,
763 ttc_rules[tt].proto);
764 if (IS_ERR(rules[tt]))
768 if (!mlx5e_tunnel_inner_ft_supported(priv->mdev))
771 rules = ttc->tunnel_rules;
772 dest.type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
773 dest.ft = priv->fs.inner_ttc.ft.t;
774 for (tt = 0; tt < MLX5E_NUM_TUNNEL_TT; tt++) {
775 rules[tt] = mlx5e_generate_ttc_rule(priv, ft, &dest,
776 ttc_tunnel_rules[tt].etype,
777 ttc_tunnel_rules[tt].proto);
778 if (IS_ERR(rules[tt]))
785 err = PTR_ERR(rules[tt]);
787 mlx5e_cleanup_ttc_rules(ttc);
791 #define MLX5E_TTC_NUM_GROUPS 3
792 #define MLX5E_TTC_GROUP1_SIZE (BIT(3) + MLX5E_NUM_TUNNEL_TT)
793 #define MLX5E_TTC_GROUP2_SIZE BIT(1)
794 #define MLX5E_TTC_GROUP3_SIZE BIT(0)
795 #define MLX5E_TTC_TABLE_SIZE (MLX5E_TTC_GROUP1_SIZE +\
796 MLX5E_TTC_GROUP2_SIZE +\
797 MLX5E_TTC_GROUP3_SIZE)
799 #define MLX5E_INNER_TTC_NUM_GROUPS 3
800 #define MLX5E_INNER_TTC_GROUP1_SIZE BIT(3)
801 #define MLX5E_INNER_TTC_GROUP2_SIZE BIT(1)
802 #define MLX5E_INNER_TTC_GROUP3_SIZE BIT(0)
803 #define MLX5E_INNER_TTC_TABLE_SIZE (MLX5E_INNER_TTC_GROUP1_SIZE +\
804 MLX5E_INNER_TTC_GROUP2_SIZE +\
805 MLX5E_INNER_TTC_GROUP3_SIZE)
807 static int mlx5e_create_ttc_table_groups(struct mlx5e_ttc_table *ttc,
810 int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
811 struct mlx5e_flow_table *ft = &ttc->ft;
817 ft->g = kcalloc(MLX5E_TTC_NUM_GROUPS,
818 sizeof(*ft->g), GFP_KERNEL);
821 in = kvzalloc(inlen, GFP_KERNEL);
828 mc = MLX5_ADDR_OF(create_flow_group_in, in, match_criteria);
829 MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.ip_protocol);
831 MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.ip_version);
833 MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.ethertype);
834 MLX5_SET_CFG(in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
835 MLX5_SET_CFG(in, start_flow_index, ix);
836 ix += MLX5E_TTC_GROUP1_SIZE;
837 MLX5_SET_CFG(in, end_flow_index, ix - 1);
838 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
839 if (IS_ERR(ft->g[ft->num_groups]))
844 MLX5_SET(fte_match_param, mc, outer_headers.ip_protocol, 0);
845 MLX5_SET_CFG(in, start_flow_index, ix);
846 ix += MLX5E_TTC_GROUP2_SIZE;
847 MLX5_SET_CFG(in, end_flow_index, ix - 1);
848 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
849 if (IS_ERR(ft->g[ft->num_groups]))
854 memset(in, 0, inlen);
855 MLX5_SET_CFG(in, start_flow_index, ix);
856 ix += MLX5E_TTC_GROUP3_SIZE;
857 MLX5_SET_CFG(in, end_flow_index, ix - 1);
858 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
859 if (IS_ERR(ft->g[ft->num_groups]))
867 err = PTR_ERR(ft->g[ft->num_groups]);
868 ft->g[ft->num_groups] = NULL;
874 static struct mlx5_flow_handle *
875 mlx5e_generate_inner_ttc_rule(struct mlx5e_priv *priv,
876 struct mlx5_flow_table *ft,
877 struct mlx5_flow_destination *dest,
880 MLX5_DECLARE_FLOW_ACT(flow_act);
881 struct mlx5_flow_handle *rule;
882 struct mlx5_flow_spec *spec;
886 spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
888 return ERR_PTR(-ENOMEM);
890 ipv = mlx5e_etype_to_ipv(etype);
892 spec->match_criteria_enable = MLX5_MATCH_INNER_HEADERS;
893 MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, inner_headers.ip_version);
894 MLX5_SET(fte_match_param, spec->match_value, inner_headers.ip_version, ipv);
898 spec->match_criteria_enable = MLX5_MATCH_INNER_HEADERS;
899 MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, inner_headers.ip_protocol);
900 MLX5_SET(fte_match_param, spec->match_value, inner_headers.ip_protocol, proto);
903 rule = mlx5_add_flow_rules(ft, spec, &flow_act, dest, 1);
906 netdev_err(priv->netdev, "%s: add rule failed\n", __func__);
910 return err ? ERR_PTR(err) : rule;
913 static int mlx5e_generate_inner_ttc_table_rules(struct mlx5e_priv *priv)
915 struct mlx5_flow_destination dest;
916 struct mlx5_flow_handle **rules;
917 struct mlx5e_ttc_table *ttc;
918 struct mlx5_flow_table *ft;
922 ttc = &priv->fs.inner_ttc;
926 dest.type = MLX5_FLOW_DESTINATION_TYPE_TIR;
927 for (tt = 0; tt < MLX5E_NUM_TT; tt++) {
928 if (tt == MLX5E_TT_ANY)
929 dest.tir_num = priv->direct_tir[0].tirn;
931 dest.tir_num = priv->inner_indir_tir[tt].tirn;
933 rules[tt] = mlx5e_generate_inner_ttc_rule(priv, ft, &dest,
935 ttc_rules[tt].proto);
936 if (IS_ERR(rules[tt]))
943 err = PTR_ERR(rules[tt]);
945 mlx5e_cleanup_ttc_rules(ttc);
949 static int mlx5e_create_inner_ttc_table_groups(struct mlx5e_ttc_table *ttc)
951 int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
952 struct mlx5e_flow_table *ft = &ttc->ft;
958 ft->g = kcalloc(MLX5E_INNER_TTC_NUM_GROUPS, sizeof(*ft->g), GFP_KERNEL);
961 in = kvzalloc(inlen, GFP_KERNEL);
969 mc = MLX5_ADDR_OF(create_flow_group_in, in, match_criteria);
970 MLX5_SET_TO_ONES(fte_match_param, mc, inner_headers.ip_protocol);
971 MLX5_SET_TO_ONES(fte_match_param, mc, inner_headers.ip_version);
972 MLX5_SET_CFG(in, match_criteria_enable, MLX5_MATCH_INNER_HEADERS);
973 MLX5_SET_CFG(in, start_flow_index, ix);
974 ix += MLX5E_INNER_TTC_GROUP1_SIZE;
975 MLX5_SET_CFG(in, end_flow_index, ix - 1);
976 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
977 if (IS_ERR(ft->g[ft->num_groups]))
982 MLX5_SET(fte_match_param, mc, inner_headers.ip_protocol, 0);
983 MLX5_SET_CFG(in, start_flow_index, ix);
984 ix += MLX5E_INNER_TTC_GROUP2_SIZE;
985 MLX5_SET_CFG(in, end_flow_index, ix - 1);
986 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
987 if (IS_ERR(ft->g[ft->num_groups]))
992 memset(in, 0, inlen);
993 MLX5_SET_CFG(in, start_flow_index, ix);
994 ix += MLX5E_INNER_TTC_GROUP3_SIZE;
995 MLX5_SET_CFG(in, end_flow_index, ix - 1);
996 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
997 if (IS_ERR(ft->g[ft->num_groups]))
1005 err = PTR_ERR(ft->g[ft->num_groups]);
1006 ft->g[ft->num_groups] = NULL;
1012 static int mlx5e_create_inner_ttc_table(struct mlx5e_priv *priv)
1014 struct mlx5e_ttc_table *ttc = &priv->fs.inner_ttc;
1015 struct mlx5_flow_table_attr ft_attr = {};
1016 struct mlx5e_flow_table *ft = &ttc->ft;
1019 if (!mlx5e_tunnel_inner_ft_supported(priv->mdev))
1022 ft_attr.max_fte = MLX5E_INNER_TTC_TABLE_SIZE;
1023 ft_attr.level = MLX5E_INNER_TTC_FT_LEVEL;
1024 ft_attr.prio = MLX5E_NIC_PRIO;
1026 ft->t = mlx5_create_flow_table(priv->fs.ns, &ft_attr);
1027 if (IS_ERR(ft->t)) {
1028 err = PTR_ERR(ft->t);
1033 err = mlx5e_create_inner_ttc_table_groups(ttc);
1037 err = mlx5e_generate_inner_ttc_table_rules(priv);
1044 mlx5e_destroy_flow_table(ft);
1048 static void mlx5e_destroy_inner_ttc_table(struct mlx5e_priv *priv)
1050 struct mlx5e_ttc_table *ttc = &priv->fs.inner_ttc;
1052 if (!mlx5e_tunnel_inner_ft_supported(priv->mdev))
1055 mlx5e_cleanup_ttc_rules(ttc);
1056 mlx5e_destroy_flow_table(&ttc->ft);
1059 void mlx5e_destroy_ttc_table(struct mlx5e_priv *priv)
1061 struct mlx5e_ttc_table *ttc = &priv->fs.ttc;
1063 mlx5e_cleanup_ttc_rules(ttc);
1064 mlx5e_destroy_flow_table(&ttc->ft);
1067 int mlx5e_create_ttc_table(struct mlx5e_priv *priv)
1069 bool match_ipv_outer = MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ft_field_support.outer_ip_version);
1070 struct mlx5e_ttc_table *ttc = &priv->fs.ttc;
1071 struct mlx5_flow_table_attr ft_attr = {};
1072 struct mlx5e_flow_table *ft = &ttc->ft;
1075 ft_attr.max_fte = MLX5E_TTC_TABLE_SIZE;
1076 ft_attr.level = MLX5E_TTC_FT_LEVEL;
1077 ft_attr.prio = MLX5E_NIC_PRIO;
1079 ft->t = mlx5_create_flow_table(priv->fs.ns, &ft_attr);
1080 if (IS_ERR(ft->t)) {
1081 err = PTR_ERR(ft->t);
1086 err = mlx5e_create_ttc_table_groups(ttc, match_ipv_outer);
1090 err = mlx5e_generate_ttc_table_rules(priv);
1096 mlx5e_destroy_flow_table(ft);
1100 static void mlx5e_del_l2_flow_rule(struct mlx5e_priv *priv,
1101 struct mlx5e_l2_rule *ai)
1103 if (!IS_ERR_OR_NULL(ai->rule)) {
1104 mlx5_del_flow_rules(ai->rule);
1109 static int mlx5e_add_l2_flow_rule(struct mlx5e_priv *priv,
1110 struct mlx5e_l2_rule *ai, int type)
1112 struct mlx5_flow_table *ft = priv->fs.l2.ft.t;
1113 struct mlx5_flow_destination dest;
1114 MLX5_DECLARE_FLOW_ACT(flow_act);
1115 struct mlx5_flow_spec *spec;
1120 spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
1124 mc_dmac = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
1125 outer_headers.dmac_47_16);
1126 mv_dmac = MLX5_ADDR_OF(fte_match_param, spec->match_value,
1127 outer_headers.dmac_47_16);
1129 dest.type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
1130 dest.ft = priv->fs.ttc.ft.t;
1133 case MLX5E_FULLMATCH:
1134 spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
1135 eth_broadcast_addr(mc_dmac);
1136 ether_addr_copy(mv_dmac, ai->addr);
1139 case MLX5E_ALLMULTI:
1140 spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
1149 ai->rule = mlx5_add_flow_rules(ft, spec, &flow_act, &dest, 1);
1150 if (IS_ERR(ai->rule)) {
1151 netdev_err(priv->netdev, "%s: add l2 rule(mac:%pM) failed\n",
1153 err = PTR_ERR(ai->rule);
1162 #define MLX5E_NUM_L2_GROUPS 3
1163 #define MLX5E_L2_GROUP1_SIZE BIT(0)
1164 #define MLX5E_L2_GROUP2_SIZE BIT(15)
1165 #define MLX5E_L2_GROUP3_SIZE BIT(0)
1166 #define MLX5E_L2_TABLE_SIZE (MLX5E_L2_GROUP1_SIZE +\
1167 MLX5E_L2_GROUP2_SIZE +\
1168 MLX5E_L2_GROUP3_SIZE)
1169 static int mlx5e_create_l2_table_groups(struct mlx5e_l2_table *l2_table)
1171 int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
1172 struct mlx5e_flow_table *ft = &l2_table->ft;
1179 ft->g = kcalloc(MLX5E_NUM_L2_GROUPS, sizeof(*ft->g), GFP_KERNEL);
1182 in = kvzalloc(inlen, GFP_KERNEL);
1189 mc = MLX5_ADDR_OF(create_flow_group_in, in, match_criteria);
1190 mc_dmac = MLX5_ADDR_OF(fte_match_param, mc,
1191 outer_headers.dmac_47_16);
1192 /* Flow Group for promiscuous */
1193 MLX5_SET_CFG(in, start_flow_index, ix);
1194 ix += MLX5E_L2_GROUP1_SIZE;
1195 MLX5_SET_CFG(in, end_flow_index, ix - 1);
1196 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
1197 if (IS_ERR(ft->g[ft->num_groups]))
1198 goto err_destroy_groups;
1201 /* Flow Group for full match */
1202 eth_broadcast_addr(mc_dmac);
1203 MLX5_SET_CFG(in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
1204 MLX5_SET_CFG(in, start_flow_index, ix);
1205 ix += MLX5E_L2_GROUP2_SIZE;
1206 MLX5_SET_CFG(in, end_flow_index, ix - 1);
1207 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
1208 if (IS_ERR(ft->g[ft->num_groups]))
1209 goto err_destroy_groups;
1212 /* Flow Group for allmulti */
1213 eth_zero_addr(mc_dmac);
1215 MLX5_SET_CFG(in, start_flow_index, ix);
1216 ix += MLX5E_L2_GROUP3_SIZE;
1217 MLX5_SET_CFG(in, end_flow_index, ix - 1);
1218 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
1219 if (IS_ERR(ft->g[ft->num_groups]))
1220 goto err_destroy_groups;
1227 err = PTR_ERR(ft->g[ft->num_groups]);
1228 ft->g[ft->num_groups] = NULL;
1229 mlx5e_destroy_groups(ft);
1236 static void mlx5e_destroy_l2_table(struct mlx5e_priv *priv)
1238 mlx5e_destroy_flow_table(&priv->fs.l2.ft);
1241 static int mlx5e_create_l2_table(struct mlx5e_priv *priv)
1243 struct mlx5e_l2_table *l2_table = &priv->fs.l2;
1244 struct mlx5e_flow_table *ft = &l2_table->ft;
1245 struct mlx5_flow_table_attr ft_attr = {};
1250 ft_attr.max_fte = MLX5E_L2_TABLE_SIZE;
1251 ft_attr.level = MLX5E_L2_FT_LEVEL;
1252 ft_attr.prio = MLX5E_NIC_PRIO;
1254 ft->t = mlx5_create_flow_table(priv->fs.ns, &ft_attr);
1255 if (IS_ERR(ft->t)) {
1256 err = PTR_ERR(ft->t);
1261 err = mlx5e_create_l2_table_groups(l2_table);
1263 goto err_destroy_flow_table;
1267 err_destroy_flow_table:
1268 mlx5_destroy_flow_table(ft->t);
1274 #define MLX5E_NUM_VLAN_GROUPS 3
1275 #define MLX5E_VLAN_GROUP0_SIZE BIT(12)
1276 #define MLX5E_VLAN_GROUP1_SIZE BIT(1)
1277 #define MLX5E_VLAN_GROUP2_SIZE BIT(0)
1278 #define MLX5E_VLAN_TABLE_SIZE (MLX5E_VLAN_GROUP0_SIZE +\
1279 MLX5E_VLAN_GROUP1_SIZE +\
1280 MLX5E_VLAN_GROUP2_SIZE)
1282 static int __mlx5e_create_vlan_table_groups(struct mlx5e_flow_table *ft, u32 *in,
1287 u8 *mc = MLX5_ADDR_OF(create_flow_group_in, in, match_criteria);
1289 memset(in, 0, inlen);
1290 MLX5_SET_CFG(in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
1291 MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.cvlan_tag);
1292 MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.first_vid);
1293 MLX5_SET_CFG(in, start_flow_index, ix);
1294 ix += MLX5E_VLAN_GROUP0_SIZE;
1295 MLX5_SET_CFG(in, end_flow_index, ix - 1);
1296 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
1297 if (IS_ERR(ft->g[ft->num_groups]))
1298 goto err_destroy_groups;
1301 memset(in, 0, inlen);
1302 MLX5_SET_CFG(in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
1303 MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.cvlan_tag);
1304 MLX5_SET_CFG(in, start_flow_index, ix);
1305 ix += MLX5E_VLAN_GROUP1_SIZE;
1306 MLX5_SET_CFG(in, end_flow_index, ix - 1);
1307 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
1308 if (IS_ERR(ft->g[ft->num_groups]))
1309 goto err_destroy_groups;
1312 memset(in, 0, inlen);
1313 MLX5_SET_CFG(in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
1314 MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.svlan_tag);
1315 MLX5_SET_CFG(in, start_flow_index, ix);
1316 ix += MLX5E_VLAN_GROUP2_SIZE;
1317 MLX5_SET_CFG(in, end_flow_index, ix - 1);
1318 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
1319 if (IS_ERR(ft->g[ft->num_groups]))
1320 goto err_destroy_groups;
1326 err = PTR_ERR(ft->g[ft->num_groups]);
1327 ft->g[ft->num_groups] = NULL;
1328 mlx5e_destroy_groups(ft);
1333 static int mlx5e_create_vlan_table_groups(struct mlx5e_flow_table *ft)
1336 int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
1339 in = kvzalloc(inlen, GFP_KERNEL);
1343 err = __mlx5e_create_vlan_table_groups(ft, in, inlen);
1349 static int mlx5e_create_vlan_table(struct mlx5e_priv *priv)
1351 struct mlx5e_flow_table *ft = &priv->fs.vlan.ft;
1352 struct mlx5_flow_table_attr ft_attr = {};
1357 ft_attr.max_fte = MLX5E_VLAN_TABLE_SIZE;
1358 ft_attr.level = MLX5E_VLAN_FT_LEVEL;
1359 ft_attr.prio = MLX5E_NIC_PRIO;
1361 ft->t = mlx5_create_flow_table(priv->fs.ns, &ft_attr);
1363 if (IS_ERR(ft->t)) {
1364 err = PTR_ERR(ft->t);
1368 ft->g = kcalloc(MLX5E_NUM_VLAN_GROUPS, sizeof(*ft->g), GFP_KERNEL);
1371 goto err_destroy_vlan_table;
1374 err = mlx5e_create_vlan_table_groups(ft);
1378 mlx5e_add_vlan_rules(priv);
1384 err_destroy_vlan_table:
1385 mlx5_destroy_flow_table(ft->t);
1391 static void mlx5e_destroy_vlan_table(struct mlx5e_priv *priv)
1393 mlx5e_del_vlan_rules(priv);
1394 mlx5e_destroy_flow_table(&priv->fs.vlan.ft);
1397 int mlx5e_create_flow_steering(struct mlx5e_priv *priv)
1401 priv->fs.ns = mlx5_get_flow_namespace(priv->mdev,
1402 MLX5_FLOW_NAMESPACE_KERNEL);
1407 err = mlx5e_arfs_create_tables(priv);
1409 netdev_err(priv->netdev, "Failed to create arfs tables, err=%d\n",
1411 priv->netdev->hw_features &= ~NETIF_F_NTUPLE;
1414 err = mlx5e_create_inner_ttc_table(priv);
1416 netdev_err(priv->netdev, "Failed to create inner ttc table, err=%d\n",
1418 goto err_destroy_arfs_tables;
1421 err = mlx5e_create_ttc_table(priv);
1423 netdev_err(priv->netdev, "Failed to create ttc table, err=%d\n",
1425 goto err_destroy_inner_ttc_table;
1428 err = mlx5e_create_l2_table(priv);
1430 netdev_err(priv->netdev, "Failed to create l2 table, err=%d\n",
1432 goto err_destroy_ttc_table;
1435 err = mlx5e_create_vlan_table(priv);
1437 netdev_err(priv->netdev, "Failed to create vlan table, err=%d\n",
1439 goto err_destroy_l2_table;
1442 mlx5e_ethtool_init_steering(priv);
1446 err_destroy_l2_table:
1447 mlx5e_destroy_l2_table(priv);
1448 err_destroy_ttc_table:
1449 mlx5e_destroy_ttc_table(priv);
1450 err_destroy_inner_ttc_table:
1451 mlx5e_destroy_inner_ttc_table(priv);
1452 err_destroy_arfs_tables:
1453 mlx5e_arfs_destroy_tables(priv);
1458 void mlx5e_destroy_flow_steering(struct mlx5e_priv *priv)
1460 mlx5e_destroy_vlan_table(priv);
1461 mlx5e_destroy_l2_table(priv);
1462 mlx5e_destroy_ttc_table(priv);
1463 mlx5e_destroy_inner_ttc_table(priv);
1464 mlx5e_arfs_destroy_tables(priv);
1465 mlx5e_ethtool_cleanup_steering(priv);