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:
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
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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>
40 static int mlx5e_add_l2_flow_rule(struct mlx5e_priv *priv,
41 struct mlx5e_l2_rule *ai, int type);
42 static void mlx5e_del_l2_flow_rule(struct mlx5e_priv *priv,
43 struct mlx5e_l2_rule *ai);
59 MLX5E_ACTION_NONE = 0,
64 struct mlx5e_l2_hash_node {
65 struct hlist_node hlist;
67 struct mlx5e_l2_rule ai;
70 static inline int mlx5e_hash_l2(u8 *addr)
75 static void mlx5e_add_l2_to_hash(struct hlist_head *hash, u8 *addr)
77 struct mlx5e_l2_hash_node *hn;
78 int ix = mlx5e_hash_l2(addr);
81 hlist_for_each_entry(hn, &hash[ix], hlist)
82 if (ether_addr_equal_64bits(hn->ai.addr, addr)) {
88 hn->action = MLX5E_ACTION_NONE;
92 hn = kzalloc(sizeof(*hn), GFP_ATOMIC);
96 ether_addr_copy(hn->ai.addr, addr);
97 hn->action = MLX5E_ACTION_ADD;
99 hlist_add_head(&hn->hlist, &hash[ix]);
102 static void mlx5e_del_l2_from_hash(struct mlx5e_l2_hash_node *hn)
104 hlist_del(&hn->hlist);
108 static int mlx5e_vport_context_update_vlans(struct mlx5e_priv *priv)
110 struct net_device *ndev = priv->netdev;
119 for_each_set_bit(vlan, priv->fs.vlan.active_vlans, VLAN_N_VID)
122 max_list_size = 1 << MLX5_CAP_GEN(priv->mdev, log_max_vlan_list);
124 if (list_size > max_list_size) {
126 "netdev vlans list size (%d) > (%d) max vport list size, some vlans will be dropped\n",
127 list_size, max_list_size);
128 list_size = max_list_size;
131 vlans = kcalloc(list_size, sizeof(*vlans), GFP_KERNEL);
136 for_each_set_bit(vlan, priv->fs.vlan.active_vlans, VLAN_N_VID) {
142 err = mlx5_modify_nic_vport_vlans(priv->mdev, vlans, list_size);
144 netdev_err(ndev, "Failed to modify vport vlans list err(%d)\n",
151 enum mlx5e_vlan_rule_type {
152 MLX5E_VLAN_RULE_TYPE_UNTAGGED,
153 MLX5E_VLAN_RULE_TYPE_ANY_CTAG_VID,
154 MLX5E_VLAN_RULE_TYPE_ANY_STAG_VID,
155 MLX5E_VLAN_RULE_TYPE_MATCH_VID,
158 static int __mlx5e_add_vlan_rule(struct mlx5e_priv *priv,
159 enum mlx5e_vlan_rule_type rule_type,
160 u16 vid, struct mlx5_flow_spec *spec)
162 struct mlx5_flow_table *ft = priv->fs.vlan.ft.t;
163 struct mlx5_flow_destination dest;
164 struct mlx5_flow_handle **rule_p;
165 MLX5_DECLARE_FLOW_ACT(flow_act);
168 dest.type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
169 dest.ft = priv->fs.l2.ft.t;
171 spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
175 case MLX5E_VLAN_RULE_TYPE_UNTAGGED:
176 rule_p = &priv->fs.vlan.untagged_rule;
177 MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria,
178 outer_headers.cvlan_tag);
180 case MLX5E_VLAN_RULE_TYPE_ANY_CTAG_VID:
181 rule_p = &priv->fs.vlan.any_cvlan_rule;
182 MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria,
183 outer_headers.cvlan_tag);
184 MLX5_SET(fte_match_param, spec->match_value, outer_headers.cvlan_tag, 1);
186 case MLX5E_VLAN_RULE_TYPE_ANY_STAG_VID:
187 rule_p = &priv->fs.vlan.any_svlan_rule;
188 MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria,
189 outer_headers.svlan_tag);
190 MLX5_SET(fte_match_param, spec->match_value, outer_headers.svlan_tag, 1);
192 default: /* MLX5E_VLAN_RULE_TYPE_MATCH_VID */
193 rule_p = &priv->fs.vlan.active_vlans_rule[vid];
194 MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria,
195 outer_headers.cvlan_tag);
196 MLX5_SET(fte_match_param, spec->match_value, outer_headers.cvlan_tag, 1);
197 MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria,
198 outer_headers.first_vid);
199 MLX5_SET(fte_match_param, spec->match_value, outer_headers.first_vid,
204 *rule_p = mlx5_add_flow_rules(ft, spec, &flow_act, &dest, 1);
206 if (IS_ERR(*rule_p)) {
207 err = PTR_ERR(*rule_p);
209 netdev_err(priv->netdev, "%s: add rule failed\n", __func__);
215 static int mlx5e_add_vlan_rule(struct mlx5e_priv *priv,
216 enum mlx5e_vlan_rule_type rule_type, u16 vid)
218 struct mlx5_flow_spec *spec;
221 spec = mlx5_vzalloc(sizeof(*spec));
223 netdev_err(priv->netdev, "%s: alloc failed\n", __func__);
227 if (rule_type == MLX5E_VLAN_RULE_TYPE_MATCH_VID)
228 mlx5e_vport_context_update_vlans(priv);
230 err = __mlx5e_add_vlan_rule(priv, rule_type, vid, spec);
237 static void mlx5e_del_vlan_rule(struct mlx5e_priv *priv,
238 enum mlx5e_vlan_rule_type rule_type, u16 vid)
241 case MLX5E_VLAN_RULE_TYPE_UNTAGGED:
242 if (priv->fs.vlan.untagged_rule) {
243 mlx5_del_flow_rules(priv->fs.vlan.untagged_rule);
244 priv->fs.vlan.untagged_rule = NULL;
247 case MLX5E_VLAN_RULE_TYPE_ANY_CTAG_VID:
248 if (priv->fs.vlan.any_cvlan_rule) {
249 mlx5_del_flow_rules(priv->fs.vlan.any_cvlan_rule);
250 priv->fs.vlan.any_cvlan_rule = NULL;
253 case MLX5E_VLAN_RULE_TYPE_ANY_STAG_VID:
254 if (priv->fs.vlan.any_svlan_rule) {
255 mlx5_del_flow_rules(priv->fs.vlan.any_svlan_rule);
256 priv->fs.vlan.any_svlan_rule = NULL;
259 case MLX5E_VLAN_RULE_TYPE_MATCH_VID:
260 mlx5e_vport_context_update_vlans(priv);
261 if (priv->fs.vlan.active_vlans_rule[vid]) {
262 mlx5_del_flow_rules(priv->fs.vlan.active_vlans_rule[vid]);
263 priv->fs.vlan.active_vlans_rule[vid] = NULL;
265 mlx5e_vport_context_update_vlans(priv);
270 static void mlx5e_del_any_vid_rules(struct mlx5e_priv *priv)
272 mlx5e_del_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_ANY_CTAG_VID, 0);
273 mlx5e_del_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_ANY_STAG_VID, 0);
276 static int mlx5e_add_any_vid_rules(struct mlx5e_priv *priv)
280 err = mlx5e_add_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_ANY_CTAG_VID, 0);
284 return mlx5e_add_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_ANY_STAG_VID, 0);
287 void mlx5e_enable_vlan_filter(struct mlx5e_priv *priv)
289 if (!priv->fs.vlan.filter_disabled)
292 priv->fs.vlan.filter_disabled = false;
293 if (priv->netdev->flags & IFF_PROMISC)
295 mlx5e_del_any_vid_rules(priv);
298 void mlx5e_disable_vlan_filter(struct mlx5e_priv *priv)
300 if (priv->fs.vlan.filter_disabled)
303 priv->fs.vlan.filter_disabled = true;
304 if (priv->netdev->flags & IFF_PROMISC)
306 mlx5e_add_any_vid_rules(priv);
309 int mlx5e_vlan_rx_add_vid(struct net_device *dev, __always_unused __be16 proto,
312 struct mlx5e_priv *priv = netdev_priv(dev);
314 set_bit(vid, priv->fs.vlan.active_vlans);
316 return mlx5e_add_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_MATCH_VID, vid);
319 int mlx5e_vlan_rx_kill_vid(struct net_device *dev, __always_unused __be16 proto,
322 struct mlx5e_priv *priv = netdev_priv(dev);
324 clear_bit(vid, priv->fs.vlan.active_vlans);
326 mlx5e_del_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_MATCH_VID, vid);
331 static void mlx5e_add_vlan_rules(struct mlx5e_priv *priv)
335 mlx5e_add_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_UNTAGGED, 0);
337 for_each_set_bit(i, priv->fs.vlan.active_vlans, VLAN_N_VID) {
338 mlx5e_add_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_MATCH_VID, i);
341 if (priv->fs.vlan.filter_disabled &&
342 !(priv->netdev->flags & IFF_PROMISC))
343 mlx5e_add_any_vid_rules(priv);
346 static void mlx5e_del_vlan_rules(struct mlx5e_priv *priv)
350 mlx5e_del_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_UNTAGGED, 0);
352 for_each_set_bit(i, priv->fs.vlan.active_vlans, VLAN_N_VID) {
353 mlx5e_del_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_MATCH_VID, i);
356 if (priv->fs.vlan.filter_disabled &&
357 !(priv->netdev->flags & IFF_PROMISC))
358 mlx5e_del_any_vid_rules(priv);
361 #define mlx5e_for_each_hash_node(hn, tmp, hash, i) \
362 for (i = 0; i < MLX5E_L2_ADDR_HASH_SIZE; i++) \
363 hlist_for_each_entry_safe(hn, tmp, &hash[i], hlist)
365 static void mlx5e_execute_l2_action(struct mlx5e_priv *priv,
366 struct mlx5e_l2_hash_node *hn)
368 switch (hn->action) {
369 case MLX5E_ACTION_ADD:
370 mlx5e_add_l2_flow_rule(priv, &hn->ai, MLX5E_FULLMATCH);
371 hn->action = MLX5E_ACTION_NONE;
374 case MLX5E_ACTION_DEL:
375 mlx5e_del_l2_flow_rule(priv, &hn->ai);
376 mlx5e_del_l2_from_hash(hn);
381 static void mlx5e_sync_netdev_addr(struct mlx5e_priv *priv)
383 struct net_device *netdev = priv->netdev;
384 struct netdev_hw_addr *ha;
386 netif_addr_lock_bh(netdev);
388 mlx5e_add_l2_to_hash(priv->fs.l2.netdev_uc,
389 priv->netdev->dev_addr);
391 netdev_for_each_uc_addr(ha, netdev)
392 mlx5e_add_l2_to_hash(priv->fs.l2.netdev_uc, ha->addr);
394 netdev_for_each_mc_addr(ha, netdev)
395 mlx5e_add_l2_to_hash(priv->fs.l2.netdev_mc, ha->addr);
397 netif_addr_unlock_bh(netdev);
400 static void mlx5e_fill_addr_array(struct mlx5e_priv *priv, int list_type,
401 u8 addr_array[][ETH_ALEN], int size)
403 bool is_uc = (list_type == MLX5_NVPRT_LIST_TYPE_UC);
404 struct net_device *ndev = priv->netdev;
405 struct mlx5e_l2_hash_node *hn;
406 struct hlist_head *addr_list;
407 struct hlist_node *tmp;
411 addr_list = is_uc ? priv->fs.l2.netdev_uc : priv->fs.l2.netdev_mc;
413 if (is_uc) /* Make sure our own address is pushed first */
414 ether_addr_copy(addr_array[i++], ndev->dev_addr);
415 else if (priv->fs.l2.broadcast_enabled)
416 ether_addr_copy(addr_array[i++], ndev->broadcast);
418 mlx5e_for_each_hash_node(hn, tmp, addr_list, hi) {
419 if (ether_addr_equal(ndev->dev_addr, hn->ai.addr))
423 ether_addr_copy(addr_array[i++], hn->ai.addr);
427 static void mlx5e_vport_context_update_addr_list(struct mlx5e_priv *priv,
430 bool is_uc = (list_type == MLX5_NVPRT_LIST_TYPE_UC);
431 struct mlx5e_l2_hash_node *hn;
432 u8 (*addr_array)[ETH_ALEN] = NULL;
433 struct hlist_head *addr_list;
434 struct hlist_node *tmp;
440 size = is_uc ? 0 : (priv->fs.l2.broadcast_enabled ? 1 : 0);
442 1 << MLX5_CAP_GEN(priv->mdev, log_max_current_uc_list) :
443 1 << MLX5_CAP_GEN(priv->mdev, log_max_current_mc_list);
445 addr_list = is_uc ? priv->fs.l2.netdev_uc : priv->fs.l2.netdev_mc;
446 mlx5e_for_each_hash_node(hn, tmp, addr_list, hi)
449 if (size > max_size) {
450 netdev_warn(priv->netdev,
451 "netdev %s list size (%d) > (%d) max vport list size, some addresses will be dropped\n",
452 is_uc ? "UC" : "MC", size, max_size);
457 addr_array = kcalloc(size, ETH_ALEN, GFP_KERNEL);
462 mlx5e_fill_addr_array(priv, list_type, addr_array, size);
465 err = mlx5_modify_nic_vport_mac_list(priv->mdev, list_type, addr_array, size);
468 netdev_err(priv->netdev,
469 "Failed to modify vport %s list err(%d)\n",
470 is_uc ? "UC" : "MC", err);
474 static void mlx5e_vport_context_update(struct mlx5e_priv *priv)
476 struct mlx5e_l2_table *ea = &priv->fs.l2;
478 mlx5e_vport_context_update_addr_list(priv, MLX5_NVPRT_LIST_TYPE_UC);
479 mlx5e_vport_context_update_addr_list(priv, MLX5_NVPRT_LIST_TYPE_MC);
480 mlx5_modify_nic_vport_promisc(priv->mdev, 0,
481 ea->allmulti_enabled,
482 ea->promisc_enabled);
485 static void mlx5e_apply_netdev_addr(struct mlx5e_priv *priv)
487 struct mlx5e_l2_hash_node *hn;
488 struct hlist_node *tmp;
491 mlx5e_for_each_hash_node(hn, tmp, priv->fs.l2.netdev_uc, i)
492 mlx5e_execute_l2_action(priv, hn);
494 mlx5e_for_each_hash_node(hn, tmp, priv->fs.l2.netdev_mc, i)
495 mlx5e_execute_l2_action(priv, hn);
498 static void mlx5e_handle_netdev_addr(struct mlx5e_priv *priv)
500 struct mlx5e_l2_hash_node *hn;
501 struct hlist_node *tmp;
504 mlx5e_for_each_hash_node(hn, tmp, priv->fs.l2.netdev_uc, i)
505 hn->action = MLX5E_ACTION_DEL;
506 mlx5e_for_each_hash_node(hn, tmp, priv->fs.l2.netdev_mc, i)
507 hn->action = MLX5E_ACTION_DEL;
509 if (!test_bit(MLX5E_STATE_DESTROYING, &priv->state))
510 mlx5e_sync_netdev_addr(priv);
512 mlx5e_apply_netdev_addr(priv);
515 void mlx5e_set_rx_mode_work(struct work_struct *work)
517 struct mlx5e_priv *priv = container_of(work, struct mlx5e_priv,
520 struct mlx5e_l2_table *ea = &priv->fs.l2;
521 struct net_device *ndev = priv->netdev;
523 bool rx_mode_enable = !test_bit(MLX5E_STATE_DESTROYING, &priv->state);
524 bool promisc_enabled = rx_mode_enable && (ndev->flags & IFF_PROMISC);
525 bool allmulti_enabled = rx_mode_enable && (ndev->flags & IFF_ALLMULTI);
526 bool broadcast_enabled = rx_mode_enable;
528 bool enable_promisc = !ea->promisc_enabled && promisc_enabled;
529 bool disable_promisc = ea->promisc_enabled && !promisc_enabled;
530 bool enable_allmulti = !ea->allmulti_enabled && allmulti_enabled;
531 bool disable_allmulti = ea->allmulti_enabled && !allmulti_enabled;
532 bool enable_broadcast = !ea->broadcast_enabled && broadcast_enabled;
533 bool disable_broadcast = ea->broadcast_enabled && !broadcast_enabled;
535 if (enable_promisc) {
536 mlx5e_add_l2_flow_rule(priv, &ea->promisc, MLX5E_PROMISC);
537 if (!priv->fs.vlan.filter_disabled)
538 mlx5e_add_any_vid_rules(priv);
541 mlx5e_add_l2_flow_rule(priv, &ea->allmulti, MLX5E_ALLMULTI);
542 if (enable_broadcast)
543 mlx5e_add_l2_flow_rule(priv, &ea->broadcast, MLX5E_FULLMATCH);
545 mlx5e_handle_netdev_addr(priv);
547 if (disable_broadcast)
548 mlx5e_del_l2_flow_rule(priv, &ea->broadcast);
549 if (disable_allmulti)
550 mlx5e_del_l2_flow_rule(priv, &ea->allmulti);
551 if (disable_promisc) {
552 if (!priv->fs.vlan.filter_disabled)
553 mlx5e_del_any_vid_rules(priv);
554 mlx5e_del_l2_flow_rule(priv, &ea->promisc);
557 ea->promisc_enabled = promisc_enabled;
558 ea->allmulti_enabled = allmulti_enabled;
559 ea->broadcast_enabled = broadcast_enabled;
561 mlx5e_vport_context_update(priv);
564 static void mlx5e_destroy_groups(struct mlx5e_flow_table *ft)
568 for (i = ft->num_groups - 1; i >= 0; i--) {
569 if (!IS_ERR_OR_NULL(ft->g[i]))
570 mlx5_destroy_flow_group(ft->g[i]);
576 void mlx5e_init_l2_addr(struct mlx5e_priv *priv)
578 ether_addr_copy(priv->fs.l2.broadcast.addr, priv->netdev->broadcast);
581 void mlx5e_destroy_flow_table(struct mlx5e_flow_table *ft)
583 mlx5e_destroy_groups(ft);
585 mlx5_destroy_flow_table(ft->t);
589 static void mlx5e_cleanup_ttc_rules(struct mlx5e_ttc_table *ttc)
593 for (i = 0; i < MLX5E_NUM_TT; i++) {
594 if (!IS_ERR_OR_NULL(ttc->rules[i])) {
595 mlx5_del_flow_rules(ttc->rules[i]);
596 ttc->rules[i] = NULL;
605 [MLX5E_TT_IPV4_TCP] = {
607 .proto = IPPROTO_TCP,
609 [MLX5E_TT_IPV6_TCP] = {
611 .proto = IPPROTO_TCP,
613 [MLX5E_TT_IPV4_UDP] = {
615 .proto = IPPROTO_UDP,
617 [MLX5E_TT_IPV6_UDP] = {
619 .proto = IPPROTO_UDP,
621 [MLX5E_TT_IPV4_IPSEC_AH] = {
625 [MLX5E_TT_IPV6_IPSEC_AH] = {
629 [MLX5E_TT_IPV4_IPSEC_ESP] = {
631 .proto = IPPROTO_ESP,
633 [MLX5E_TT_IPV6_IPSEC_ESP] = {
635 .proto = IPPROTO_ESP,
651 static struct mlx5_flow_handle *
652 mlx5e_generate_ttc_rule(struct mlx5e_priv *priv,
653 struct mlx5_flow_table *ft,
654 struct mlx5_flow_destination *dest,
658 MLX5_DECLARE_FLOW_ACT(flow_act);
659 struct mlx5_flow_handle *rule;
660 struct mlx5_flow_spec *spec;
663 spec = mlx5_vzalloc(sizeof(*spec));
665 netdev_err(priv->netdev, "%s: alloc failed\n", __func__);
666 return ERR_PTR(-ENOMEM);
670 spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
671 MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.ip_protocol);
672 MLX5_SET(fte_match_param, spec->match_value, outer_headers.ip_protocol, proto);
675 spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
676 MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.ethertype);
677 MLX5_SET(fte_match_param, spec->match_value, outer_headers.ethertype, etype);
680 rule = mlx5_add_flow_rules(ft, spec, &flow_act, dest, 1);
683 netdev_err(priv->netdev, "%s: add rule failed\n", __func__);
687 return err ? ERR_PTR(err) : rule;
690 static int mlx5e_generate_ttc_table_rules(struct mlx5e_priv *priv)
692 struct mlx5_flow_destination dest;
693 struct mlx5e_ttc_table *ttc;
694 struct mlx5_flow_handle **rules;
695 struct mlx5_flow_table *ft;
703 dest.type = MLX5_FLOW_DESTINATION_TYPE_TIR;
704 for (tt = 0; tt < MLX5E_NUM_TT; tt++) {
705 if (tt == MLX5E_TT_ANY)
706 dest.tir_num = priv->direct_tir[0].tirn;
708 dest.tir_num = priv->indir_tir[tt].tirn;
709 rules[tt] = mlx5e_generate_ttc_rule(priv, ft, &dest,
711 ttc_rules[tt].proto);
712 if (IS_ERR(rules[tt]))
719 err = PTR_ERR(rules[tt]);
721 mlx5e_cleanup_ttc_rules(ttc);
725 #define MLX5E_TTC_NUM_GROUPS 3
726 #define MLX5E_TTC_GROUP1_SIZE BIT(3)
727 #define MLX5E_TTC_GROUP2_SIZE BIT(1)
728 #define MLX5E_TTC_GROUP3_SIZE BIT(0)
729 #define MLX5E_TTC_TABLE_SIZE (MLX5E_TTC_GROUP1_SIZE +\
730 MLX5E_TTC_GROUP2_SIZE +\
731 MLX5E_TTC_GROUP3_SIZE)
732 static int mlx5e_create_ttc_table_groups(struct mlx5e_ttc_table *ttc)
734 int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
735 struct mlx5e_flow_table *ft = &ttc->ft;
741 ft->g = kcalloc(MLX5E_TTC_NUM_GROUPS,
742 sizeof(*ft->g), GFP_KERNEL);
745 in = mlx5_vzalloc(inlen);
752 mc = MLX5_ADDR_OF(create_flow_group_in, in, match_criteria);
753 MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.ip_protocol);
754 MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.ethertype);
755 MLX5_SET_CFG(in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
756 MLX5_SET_CFG(in, start_flow_index, ix);
757 ix += MLX5E_TTC_GROUP1_SIZE;
758 MLX5_SET_CFG(in, end_flow_index, ix - 1);
759 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
760 if (IS_ERR(ft->g[ft->num_groups]))
765 MLX5_SET(fte_match_param, mc, outer_headers.ip_protocol, 0);
766 MLX5_SET_CFG(in, start_flow_index, ix);
767 ix += MLX5E_TTC_GROUP2_SIZE;
768 MLX5_SET_CFG(in, end_flow_index, ix - 1);
769 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
770 if (IS_ERR(ft->g[ft->num_groups]))
775 memset(in, 0, inlen);
776 MLX5_SET_CFG(in, start_flow_index, ix);
777 ix += MLX5E_TTC_GROUP3_SIZE;
778 MLX5_SET_CFG(in, end_flow_index, ix - 1);
779 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
780 if (IS_ERR(ft->g[ft->num_groups]))
788 err = PTR_ERR(ft->g[ft->num_groups]);
789 ft->g[ft->num_groups] = NULL;
795 void mlx5e_destroy_ttc_table(struct mlx5e_priv *priv)
797 struct mlx5e_ttc_table *ttc = &priv->fs.ttc;
799 mlx5e_cleanup_ttc_rules(ttc);
800 mlx5e_destroy_flow_table(&ttc->ft);
803 int mlx5e_create_ttc_table(struct mlx5e_priv *priv)
805 struct mlx5e_ttc_table *ttc = &priv->fs.ttc;
806 struct mlx5_flow_table_attr ft_attr = {};
807 struct mlx5e_flow_table *ft = &ttc->ft;
810 ft_attr.max_fte = MLX5E_TTC_TABLE_SIZE;
811 ft_attr.level = MLX5E_TTC_FT_LEVEL;
812 ft_attr.prio = MLX5E_NIC_PRIO;
814 ft->t = mlx5_create_flow_table(priv->fs.ns, &ft_attr);
816 err = PTR_ERR(ft->t);
821 err = mlx5e_create_ttc_table_groups(ttc);
825 err = mlx5e_generate_ttc_table_rules(priv);
831 mlx5e_destroy_flow_table(ft);
835 static void mlx5e_del_l2_flow_rule(struct mlx5e_priv *priv,
836 struct mlx5e_l2_rule *ai)
838 if (!IS_ERR_OR_NULL(ai->rule)) {
839 mlx5_del_flow_rules(ai->rule);
844 static int mlx5e_add_l2_flow_rule(struct mlx5e_priv *priv,
845 struct mlx5e_l2_rule *ai, int type)
847 struct mlx5_flow_table *ft = priv->fs.l2.ft.t;
848 struct mlx5_flow_destination dest;
849 MLX5_DECLARE_FLOW_ACT(flow_act);
850 struct mlx5_flow_spec *spec;
855 spec = mlx5_vzalloc(sizeof(*spec));
857 netdev_err(priv->netdev, "%s: alloc failed\n", __func__);
861 mc_dmac = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
862 outer_headers.dmac_47_16);
863 mv_dmac = MLX5_ADDR_OF(fte_match_param, spec->match_value,
864 outer_headers.dmac_47_16);
866 dest.type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
867 dest.ft = priv->fs.ttc.ft.t;
870 case MLX5E_FULLMATCH:
871 spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
872 eth_broadcast_addr(mc_dmac);
873 ether_addr_copy(mv_dmac, ai->addr);
877 spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
886 ai->rule = mlx5_add_flow_rules(ft, spec, &flow_act, &dest, 1);
887 if (IS_ERR(ai->rule)) {
888 netdev_err(priv->netdev, "%s: add l2 rule(mac:%pM) failed\n",
890 err = PTR_ERR(ai->rule);
899 #define MLX5E_NUM_L2_GROUPS 3
900 #define MLX5E_L2_GROUP1_SIZE BIT(0)
901 #define MLX5E_L2_GROUP2_SIZE BIT(15)
902 #define MLX5E_L2_GROUP3_SIZE BIT(0)
903 #define MLX5E_L2_TABLE_SIZE (MLX5E_L2_GROUP1_SIZE +\
904 MLX5E_L2_GROUP2_SIZE +\
905 MLX5E_L2_GROUP3_SIZE)
906 static int mlx5e_create_l2_table_groups(struct mlx5e_l2_table *l2_table)
908 int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
909 struct mlx5e_flow_table *ft = &l2_table->ft;
916 ft->g = kcalloc(MLX5E_NUM_L2_GROUPS, sizeof(*ft->g), GFP_KERNEL);
919 in = mlx5_vzalloc(inlen);
925 mc = MLX5_ADDR_OF(create_flow_group_in, in, match_criteria);
926 mc_dmac = MLX5_ADDR_OF(fte_match_param, mc,
927 outer_headers.dmac_47_16);
928 /* Flow Group for promiscuous */
929 MLX5_SET_CFG(in, start_flow_index, ix);
930 ix += MLX5E_L2_GROUP1_SIZE;
931 MLX5_SET_CFG(in, end_flow_index, ix - 1);
932 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
933 if (IS_ERR(ft->g[ft->num_groups]))
934 goto err_destroy_groups;
937 /* Flow Group for full match */
938 eth_broadcast_addr(mc_dmac);
939 MLX5_SET_CFG(in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
940 MLX5_SET_CFG(in, start_flow_index, ix);
941 ix += MLX5E_L2_GROUP2_SIZE;
942 MLX5_SET_CFG(in, end_flow_index, ix - 1);
943 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
944 if (IS_ERR(ft->g[ft->num_groups]))
945 goto err_destroy_groups;
948 /* Flow Group for allmulti */
949 eth_zero_addr(mc_dmac);
951 MLX5_SET_CFG(in, start_flow_index, ix);
952 ix += MLX5E_L2_GROUP3_SIZE;
953 MLX5_SET_CFG(in, end_flow_index, ix - 1);
954 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
955 if (IS_ERR(ft->g[ft->num_groups]))
956 goto err_destroy_groups;
963 err = PTR_ERR(ft->g[ft->num_groups]);
964 ft->g[ft->num_groups] = NULL;
965 mlx5e_destroy_groups(ft);
971 static void mlx5e_destroy_l2_table(struct mlx5e_priv *priv)
973 mlx5e_destroy_flow_table(&priv->fs.l2.ft);
976 static int mlx5e_create_l2_table(struct mlx5e_priv *priv)
978 struct mlx5e_l2_table *l2_table = &priv->fs.l2;
979 struct mlx5e_flow_table *ft = &l2_table->ft;
980 struct mlx5_flow_table_attr ft_attr = {};
985 ft_attr.max_fte = MLX5E_L2_TABLE_SIZE;
986 ft_attr.level = MLX5E_L2_FT_LEVEL;
987 ft_attr.prio = MLX5E_NIC_PRIO;
989 ft->t = mlx5_create_flow_table(priv->fs.ns, &ft_attr);
991 err = PTR_ERR(ft->t);
996 err = mlx5e_create_l2_table_groups(l2_table);
998 goto err_destroy_flow_table;
1002 err_destroy_flow_table:
1003 mlx5_destroy_flow_table(ft->t);
1009 #define MLX5E_NUM_VLAN_GROUPS 3
1010 #define MLX5E_VLAN_GROUP0_SIZE BIT(12)
1011 #define MLX5E_VLAN_GROUP1_SIZE BIT(1)
1012 #define MLX5E_VLAN_GROUP2_SIZE BIT(0)
1013 #define MLX5E_VLAN_TABLE_SIZE (MLX5E_VLAN_GROUP0_SIZE +\
1014 MLX5E_VLAN_GROUP1_SIZE +\
1015 MLX5E_VLAN_GROUP2_SIZE)
1017 static int __mlx5e_create_vlan_table_groups(struct mlx5e_flow_table *ft, u32 *in,
1022 u8 *mc = MLX5_ADDR_OF(create_flow_group_in, in, match_criteria);
1024 memset(in, 0, inlen);
1025 MLX5_SET_CFG(in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
1026 MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.cvlan_tag);
1027 MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.first_vid);
1028 MLX5_SET_CFG(in, start_flow_index, ix);
1029 ix += MLX5E_VLAN_GROUP0_SIZE;
1030 MLX5_SET_CFG(in, end_flow_index, ix - 1);
1031 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
1032 if (IS_ERR(ft->g[ft->num_groups]))
1033 goto err_destroy_groups;
1036 memset(in, 0, inlen);
1037 MLX5_SET_CFG(in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
1038 MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.cvlan_tag);
1039 MLX5_SET_CFG(in, start_flow_index, ix);
1040 ix += MLX5E_VLAN_GROUP1_SIZE;
1041 MLX5_SET_CFG(in, end_flow_index, ix - 1);
1042 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
1043 if (IS_ERR(ft->g[ft->num_groups]))
1044 goto err_destroy_groups;
1047 memset(in, 0, inlen);
1048 MLX5_SET_CFG(in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
1049 MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.svlan_tag);
1050 MLX5_SET_CFG(in, start_flow_index, ix);
1051 ix += MLX5E_VLAN_GROUP2_SIZE;
1052 MLX5_SET_CFG(in, end_flow_index, ix - 1);
1053 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
1054 if (IS_ERR(ft->g[ft->num_groups]))
1055 goto err_destroy_groups;
1061 err = PTR_ERR(ft->g[ft->num_groups]);
1062 ft->g[ft->num_groups] = NULL;
1063 mlx5e_destroy_groups(ft);
1068 static int mlx5e_create_vlan_table_groups(struct mlx5e_flow_table *ft)
1071 int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
1074 in = mlx5_vzalloc(inlen);
1078 err = __mlx5e_create_vlan_table_groups(ft, in, inlen);
1084 static int mlx5e_create_vlan_table(struct mlx5e_priv *priv)
1086 struct mlx5e_flow_table *ft = &priv->fs.vlan.ft;
1087 struct mlx5_flow_table_attr ft_attr = {};
1092 ft_attr.max_fte = MLX5E_VLAN_TABLE_SIZE;
1093 ft_attr.level = MLX5E_VLAN_FT_LEVEL;
1094 ft_attr.prio = MLX5E_NIC_PRIO;
1096 ft->t = mlx5_create_flow_table(priv->fs.ns, &ft_attr);
1098 if (IS_ERR(ft->t)) {
1099 err = PTR_ERR(ft->t);
1103 ft->g = kcalloc(MLX5E_NUM_VLAN_GROUPS, sizeof(*ft->g), GFP_KERNEL);
1106 goto err_destroy_vlan_table;
1109 err = mlx5e_create_vlan_table_groups(ft);
1113 mlx5e_add_vlan_rules(priv);
1119 err_destroy_vlan_table:
1120 mlx5_destroy_flow_table(ft->t);
1126 static void mlx5e_destroy_vlan_table(struct mlx5e_priv *priv)
1128 mlx5e_del_vlan_rules(priv);
1129 mlx5e_destroy_flow_table(&priv->fs.vlan.ft);
1132 int mlx5e_create_flow_steering(struct mlx5e_priv *priv)
1136 priv->fs.ns = mlx5_get_flow_namespace(priv->mdev,
1137 MLX5_FLOW_NAMESPACE_KERNEL);
1142 err = mlx5e_arfs_create_tables(priv);
1144 netdev_err(priv->netdev, "Failed to create arfs tables, err=%d\n",
1146 priv->netdev->hw_features &= ~NETIF_F_NTUPLE;
1149 err = mlx5e_create_ttc_table(priv);
1151 netdev_err(priv->netdev, "Failed to create ttc table, err=%d\n",
1153 goto err_destroy_arfs_tables;
1156 err = mlx5e_create_l2_table(priv);
1158 netdev_err(priv->netdev, "Failed to create l2 table, err=%d\n",
1160 goto err_destroy_ttc_table;
1163 err = mlx5e_create_vlan_table(priv);
1165 netdev_err(priv->netdev, "Failed to create vlan table, err=%d\n",
1167 goto err_destroy_l2_table;
1170 mlx5e_ethtool_init_steering(priv);
1174 err_destroy_l2_table:
1175 mlx5e_destroy_l2_table(priv);
1176 err_destroy_ttc_table:
1177 mlx5e_destroy_ttc_table(priv);
1178 err_destroy_arfs_tables:
1179 mlx5e_arfs_destroy_tables(priv);
1184 void mlx5e_destroy_flow_steering(struct mlx5e_priv *priv)
1186 mlx5e_destroy_vlan_table(priv);
1187 mlx5e_destroy_l2_table(priv);
1188 mlx5e_destroy_ttc_table(priv);
1189 mlx5e_arfs_destroy_tables(priv);
1190 mlx5e_ethtool_cleanup_steering(priv);