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
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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
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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);
47 MLX5E_VLAN_FT_LEVEL = 0,
52 #define MLX5_SET_CFG(p, f, v) MLX5_SET(create_flow_group_in, p, f, v)
68 MLX5E_ACTION_NONE = 0,
73 struct mlx5e_l2_hash_node {
74 struct hlist_node hlist;
76 struct mlx5e_l2_rule ai;
79 static inline int mlx5e_hash_l2(u8 *addr)
84 static void mlx5e_add_l2_to_hash(struct hlist_head *hash, u8 *addr)
86 struct mlx5e_l2_hash_node *hn;
87 int ix = mlx5e_hash_l2(addr);
90 hlist_for_each_entry(hn, &hash[ix], hlist)
91 if (ether_addr_equal_64bits(hn->ai.addr, addr)) {
97 hn->action = MLX5E_ACTION_NONE;
101 hn = kzalloc(sizeof(*hn), GFP_ATOMIC);
105 ether_addr_copy(hn->ai.addr, addr);
106 hn->action = MLX5E_ACTION_ADD;
108 hlist_add_head(&hn->hlist, &hash[ix]);
111 static void mlx5e_del_l2_from_hash(struct mlx5e_l2_hash_node *hn)
113 hlist_del(&hn->hlist);
117 static int mlx5e_vport_context_update_vlans(struct mlx5e_priv *priv)
119 struct net_device *ndev = priv->netdev;
128 for_each_set_bit(vlan, priv->fs.vlan.active_vlans, VLAN_N_VID)
131 max_list_size = 1 << MLX5_CAP_GEN(priv->mdev, log_max_vlan_list);
133 if (list_size > max_list_size) {
135 "netdev vlans list size (%d) > (%d) max vport list size, some vlans will be dropped\n",
136 list_size, max_list_size);
137 list_size = max_list_size;
140 vlans = kcalloc(list_size, sizeof(*vlans), GFP_KERNEL);
145 for_each_set_bit(vlan, priv->fs.vlan.active_vlans, VLAN_N_VID) {
151 err = mlx5_modify_nic_vport_vlans(priv->mdev, vlans, list_size);
153 netdev_err(ndev, "Failed to modify vport vlans list err(%d)\n",
160 enum mlx5e_vlan_rule_type {
161 MLX5E_VLAN_RULE_TYPE_UNTAGGED,
162 MLX5E_VLAN_RULE_TYPE_ANY_VID,
163 MLX5E_VLAN_RULE_TYPE_MATCH_VID,
166 static int __mlx5e_add_vlan_rule(struct mlx5e_priv *priv,
167 enum mlx5e_vlan_rule_type rule_type,
168 u16 vid, u32 *mc, u32 *mv)
170 struct mlx5_flow_table *ft = priv->fs.vlan.ft.t;
171 struct mlx5_flow_destination dest;
172 u8 match_criteria_enable = 0;
173 struct mlx5_flow_rule **rule_p;
176 dest.type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
177 dest.ft = priv->fs.l2.ft.t;
179 match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
180 MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.vlan_tag);
183 case MLX5E_VLAN_RULE_TYPE_UNTAGGED:
184 rule_p = &priv->fs.vlan.untagged_rule;
186 case MLX5E_VLAN_RULE_TYPE_ANY_VID:
187 rule_p = &priv->fs.vlan.any_vlan_rule;
188 MLX5_SET(fte_match_param, mv, outer_headers.vlan_tag, 1);
190 default: /* MLX5E_VLAN_RULE_TYPE_MATCH_VID */
191 rule_p = &priv->fs.vlan.active_vlans_rule[vid];
192 MLX5_SET(fte_match_param, mv, outer_headers.vlan_tag, 1);
193 MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.first_vid);
194 MLX5_SET(fte_match_param, mv, outer_headers.first_vid, vid);
198 *rule_p = mlx5_add_flow_rule(ft, match_criteria_enable, mc, mv,
199 MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,
200 MLX5_FS_DEFAULT_FLOW_TAG,
203 if (IS_ERR(*rule_p)) {
204 err = PTR_ERR(*rule_p);
206 netdev_err(priv->netdev, "%s: add rule failed\n", __func__);
212 static int mlx5e_add_vlan_rule(struct mlx5e_priv *priv,
213 enum mlx5e_vlan_rule_type rule_type, u16 vid)
219 match_value = mlx5_vzalloc(MLX5_ST_SZ_BYTES(fte_match_param));
220 match_criteria = mlx5_vzalloc(MLX5_ST_SZ_BYTES(fte_match_param));
221 if (!match_value || !match_criteria) {
222 netdev_err(priv->netdev, "%s: alloc failed\n", __func__);
224 goto add_vlan_rule_out;
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, match_criteria,
234 kvfree(match_criteria);
240 static void mlx5e_del_vlan_rule(struct mlx5e_priv *priv,
241 enum mlx5e_vlan_rule_type rule_type, u16 vid)
244 case MLX5E_VLAN_RULE_TYPE_UNTAGGED:
245 if (priv->fs.vlan.untagged_rule) {
246 mlx5_del_flow_rule(priv->fs.vlan.untagged_rule);
247 priv->fs.vlan.untagged_rule = NULL;
250 case MLX5E_VLAN_RULE_TYPE_ANY_VID:
251 if (priv->fs.vlan.any_vlan_rule) {
252 mlx5_del_flow_rule(priv->fs.vlan.any_vlan_rule);
253 priv->fs.vlan.any_vlan_rule = NULL;
256 case MLX5E_VLAN_RULE_TYPE_MATCH_VID:
257 mlx5e_vport_context_update_vlans(priv);
258 if (priv->fs.vlan.active_vlans_rule[vid]) {
259 mlx5_del_flow_rule(priv->fs.vlan.active_vlans_rule[vid]);
260 priv->fs.vlan.active_vlans_rule[vid] = NULL;
262 mlx5e_vport_context_update_vlans(priv);
267 void mlx5e_enable_vlan_filter(struct mlx5e_priv *priv)
269 if (!priv->fs.vlan.filter_disabled)
272 priv->fs.vlan.filter_disabled = false;
273 if (priv->netdev->flags & IFF_PROMISC)
275 mlx5e_del_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_ANY_VID, 0);
278 void mlx5e_disable_vlan_filter(struct mlx5e_priv *priv)
280 if (priv->fs.vlan.filter_disabled)
283 priv->fs.vlan.filter_disabled = true;
284 if (priv->netdev->flags & IFF_PROMISC)
286 mlx5e_add_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_ANY_VID, 0);
289 int mlx5e_vlan_rx_add_vid(struct net_device *dev, __always_unused __be16 proto,
292 struct mlx5e_priv *priv = netdev_priv(dev);
294 set_bit(vid, priv->fs.vlan.active_vlans);
296 return mlx5e_add_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_MATCH_VID, vid);
299 int mlx5e_vlan_rx_kill_vid(struct net_device *dev, __always_unused __be16 proto,
302 struct mlx5e_priv *priv = netdev_priv(dev);
304 clear_bit(vid, priv->fs.vlan.active_vlans);
306 mlx5e_del_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_MATCH_VID, vid);
311 #define mlx5e_for_each_hash_node(hn, tmp, hash, i) \
312 for (i = 0; i < MLX5E_L2_ADDR_HASH_SIZE; i++) \
313 hlist_for_each_entry_safe(hn, tmp, &hash[i], hlist)
315 static void mlx5e_execute_l2_action(struct mlx5e_priv *priv,
316 struct mlx5e_l2_hash_node *hn)
318 switch (hn->action) {
319 case MLX5E_ACTION_ADD:
320 mlx5e_add_l2_flow_rule(priv, &hn->ai, MLX5E_FULLMATCH);
321 hn->action = MLX5E_ACTION_NONE;
324 case MLX5E_ACTION_DEL:
325 mlx5e_del_l2_flow_rule(priv, &hn->ai);
326 mlx5e_del_l2_from_hash(hn);
331 static void mlx5e_sync_netdev_addr(struct mlx5e_priv *priv)
333 struct net_device *netdev = priv->netdev;
334 struct netdev_hw_addr *ha;
336 netif_addr_lock_bh(netdev);
338 mlx5e_add_l2_to_hash(priv->fs.l2.netdev_uc,
339 priv->netdev->dev_addr);
341 netdev_for_each_uc_addr(ha, netdev)
342 mlx5e_add_l2_to_hash(priv->fs.l2.netdev_uc, ha->addr);
344 netdev_for_each_mc_addr(ha, netdev)
345 mlx5e_add_l2_to_hash(priv->fs.l2.netdev_mc, ha->addr);
347 netif_addr_unlock_bh(netdev);
350 static void mlx5e_fill_addr_array(struct mlx5e_priv *priv, int list_type,
351 u8 addr_array[][ETH_ALEN], int size)
353 bool is_uc = (list_type == MLX5_NVPRT_LIST_TYPE_UC);
354 struct net_device *ndev = priv->netdev;
355 struct mlx5e_l2_hash_node *hn;
356 struct hlist_head *addr_list;
357 struct hlist_node *tmp;
361 addr_list = is_uc ? priv->fs.l2.netdev_uc : priv->fs.l2.netdev_mc;
363 if (is_uc) /* Make sure our own address is pushed first */
364 ether_addr_copy(addr_array[i++], ndev->dev_addr);
365 else if (priv->fs.l2.broadcast_enabled)
366 ether_addr_copy(addr_array[i++], ndev->broadcast);
368 mlx5e_for_each_hash_node(hn, tmp, addr_list, hi) {
369 if (ether_addr_equal(ndev->dev_addr, hn->ai.addr))
373 ether_addr_copy(addr_array[i++], hn->ai.addr);
377 static void mlx5e_vport_context_update_addr_list(struct mlx5e_priv *priv,
380 bool is_uc = (list_type == MLX5_NVPRT_LIST_TYPE_UC);
381 struct mlx5e_l2_hash_node *hn;
382 u8 (*addr_array)[ETH_ALEN] = NULL;
383 struct hlist_head *addr_list;
384 struct hlist_node *tmp;
390 size = is_uc ? 0 : (priv->fs.l2.broadcast_enabled ? 1 : 0);
392 1 << MLX5_CAP_GEN(priv->mdev, log_max_current_uc_list) :
393 1 << MLX5_CAP_GEN(priv->mdev, log_max_current_mc_list);
395 addr_list = is_uc ? priv->fs.l2.netdev_uc : priv->fs.l2.netdev_mc;
396 mlx5e_for_each_hash_node(hn, tmp, addr_list, hi)
399 if (size > max_size) {
400 netdev_warn(priv->netdev,
401 "netdev %s list size (%d) > (%d) max vport list size, some addresses will be dropped\n",
402 is_uc ? "UC" : "MC", size, max_size);
407 addr_array = kcalloc(size, ETH_ALEN, GFP_KERNEL);
412 mlx5e_fill_addr_array(priv, list_type, addr_array, size);
415 err = mlx5_modify_nic_vport_mac_list(priv->mdev, list_type, addr_array, size);
418 netdev_err(priv->netdev,
419 "Failed to modify vport %s list err(%d)\n",
420 is_uc ? "UC" : "MC", err);
424 static void mlx5e_vport_context_update(struct mlx5e_priv *priv)
426 struct mlx5e_l2_table *ea = &priv->fs.l2;
428 mlx5e_vport_context_update_addr_list(priv, MLX5_NVPRT_LIST_TYPE_UC);
429 mlx5e_vport_context_update_addr_list(priv, MLX5_NVPRT_LIST_TYPE_MC);
430 mlx5_modify_nic_vport_promisc(priv->mdev, 0,
431 ea->allmulti_enabled,
432 ea->promisc_enabled);
435 static void mlx5e_apply_netdev_addr(struct mlx5e_priv *priv)
437 struct mlx5e_l2_hash_node *hn;
438 struct hlist_node *tmp;
441 mlx5e_for_each_hash_node(hn, tmp, priv->fs.l2.netdev_uc, i)
442 mlx5e_execute_l2_action(priv, hn);
444 mlx5e_for_each_hash_node(hn, tmp, priv->fs.l2.netdev_mc, i)
445 mlx5e_execute_l2_action(priv, hn);
448 static void mlx5e_handle_netdev_addr(struct mlx5e_priv *priv)
450 struct mlx5e_l2_hash_node *hn;
451 struct hlist_node *tmp;
454 mlx5e_for_each_hash_node(hn, tmp, priv->fs.l2.netdev_uc, i)
455 hn->action = MLX5E_ACTION_DEL;
456 mlx5e_for_each_hash_node(hn, tmp, priv->fs.l2.netdev_mc, i)
457 hn->action = MLX5E_ACTION_DEL;
459 if (!test_bit(MLX5E_STATE_DESTROYING, &priv->state))
460 mlx5e_sync_netdev_addr(priv);
462 mlx5e_apply_netdev_addr(priv);
465 void mlx5e_set_rx_mode_work(struct work_struct *work)
467 struct mlx5e_priv *priv = container_of(work, struct mlx5e_priv,
470 struct mlx5e_l2_table *ea = &priv->fs.l2;
471 struct net_device *ndev = priv->netdev;
473 bool rx_mode_enable = !test_bit(MLX5E_STATE_DESTROYING, &priv->state);
474 bool promisc_enabled = rx_mode_enable && (ndev->flags & IFF_PROMISC);
475 bool allmulti_enabled = rx_mode_enable && (ndev->flags & IFF_ALLMULTI);
476 bool broadcast_enabled = rx_mode_enable;
478 bool enable_promisc = !ea->promisc_enabled && promisc_enabled;
479 bool disable_promisc = ea->promisc_enabled && !promisc_enabled;
480 bool enable_allmulti = !ea->allmulti_enabled && allmulti_enabled;
481 bool disable_allmulti = ea->allmulti_enabled && !allmulti_enabled;
482 bool enable_broadcast = !ea->broadcast_enabled && broadcast_enabled;
483 bool disable_broadcast = ea->broadcast_enabled && !broadcast_enabled;
485 if (enable_promisc) {
486 mlx5e_add_l2_flow_rule(priv, &ea->promisc, MLX5E_PROMISC);
487 if (!priv->fs.vlan.filter_disabled)
488 mlx5e_add_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_ANY_VID,
492 mlx5e_add_l2_flow_rule(priv, &ea->allmulti, MLX5E_ALLMULTI);
493 if (enable_broadcast)
494 mlx5e_add_l2_flow_rule(priv, &ea->broadcast, MLX5E_FULLMATCH);
496 mlx5e_handle_netdev_addr(priv);
498 if (disable_broadcast)
499 mlx5e_del_l2_flow_rule(priv, &ea->broadcast);
500 if (disable_allmulti)
501 mlx5e_del_l2_flow_rule(priv, &ea->allmulti);
502 if (disable_promisc) {
503 if (!priv->fs.vlan.filter_disabled)
504 mlx5e_del_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_ANY_VID,
506 mlx5e_del_l2_flow_rule(priv, &ea->promisc);
509 ea->promisc_enabled = promisc_enabled;
510 ea->allmulti_enabled = allmulti_enabled;
511 ea->broadcast_enabled = broadcast_enabled;
513 mlx5e_vport_context_update(priv);
516 static void mlx5e_destroy_groups(struct mlx5e_flow_table *ft)
520 for (i = ft->num_groups - 1; i >= 0; i--) {
521 if (!IS_ERR_OR_NULL(ft->g[i]))
522 mlx5_destroy_flow_group(ft->g[i]);
528 void mlx5e_init_l2_addr(struct mlx5e_priv *priv)
530 ether_addr_copy(priv->fs.l2.broadcast.addr, priv->netdev->broadcast);
533 static void mlx5e_destroy_flow_table(struct mlx5e_flow_table *ft)
535 mlx5e_destroy_groups(ft);
537 mlx5_destroy_flow_table(ft->t);
541 static void mlx5e_cleanup_ttc_rules(struct mlx5e_ttc_table *ttc)
545 for (i = 0; i < MLX5E_NUM_TT; i++) {
546 if (!IS_ERR_OR_NULL(ttc->rules[i])) {
547 mlx5_del_flow_rule(ttc->rules[i]);
548 ttc->rules[i] = NULL;
557 [MLX5E_TT_IPV4_TCP] = {
559 .proto = IPPROTO_TCP,
561 [MLX5E_TT_IPV6_TCP] = {
563 .proto = IPPROTO_TCP,
565 [MLX5E_TT_IPV4_UDP] = {
567 .proto = IPPROTO_UDP,
569 [MLX5E_TT_IPV6_UDP] = {
571 .proto = IPPROTO_UDP,
573 [MLX5E_TT_IPV4_IPSEC_AH] = {
577 [MLX5E_TT_IPV6_IPSEC_AH] = {
581 [MLX5E_TT_IPV4_IPSEC_ESP] = {
583 .proto = IPPROTO_ESP,
585 [MLX5E_TT_IPV6_IPSEC_ESP] = {
587 .proto = IPPROTO_ESP,
603 static struct mlx5_flow_rule *mlx5e_generate_ttc_rule(struct mlx5e_priv *priv,
604 struct mlx5_flow_table *ft,
605 struct mlx5_flow_destination *dest,
609 struct mlx5_flow_rule *rule;
610 u8 match_criteria_enable = 0;
615 match_value = mlx5_vzalloc(MLX5_ST_SZ_BYTES(fte_match_param));
616 match_criteria = mlx5_vzalloc(MLX5_ST_SZ_BYTES(fte_match_param));
617 if (!match_value || !match_criteria) {
618 netdev_err(priv->netdev, "%s: alloc failed\n", __func__);
624 match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
625 MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.ip_protocol);
626 MLX5_SET(fte_match_param, match_value, outer_headers.ip_protocol, proto);
629 match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
630 MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.ethertype);
631 MLX5_SET(fte_match_param, match_value, outer_headers.ethertype, etype);
634 rule = mlx5_add_flow_rule(ft, match_criteria_enable,
635 match_criteria, match_value,
636 MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,
637 MLX5_FS_DEFAULT_FLOW_TAG,
641 netdev_err(priv->netdev, "%s: add rule failed\n", __func__);
644 kvfree(match_criteria);
646 return err ? ERR_PTR(err) : rule;
649 static int mlx5e_generate_ttc_table_rules(struct mlx5e_priv *priv)
651 struct mlx5_flow_destination dest;
652 struct mlx5e_ttc_table *ttc;
653 struct mlx5_flow_rule **rules;
654 struct mlx5_flow_table *ft;
662 dest.type = MLX5_FLOW_DESTINATION_TYPE_TIR;
663 for (tt = 0; tt < MLX5E_NUM_TT; tt++) {
664 if (tt == MLX5E_TT_ANY)
665 dest.tir_num = priv->direct_tir[0].tirn;
667 dest.tir_num = priv->indir_tirn[tt];
668 rules[tt] = mlx5e_generate_ttc_rule(priv, ft, &dest,
670 ttc_rules[tt].proto);
671 if (IS_ERR(rules[tt]))
678 err = PTR_ERR(rules[tt]);
680 mlx5e_cleanup_ttc_rules(ttc);
684 #define MLX5E_TTC_NUM_GROUPS 3
685 #define MLX5E_TTC_GROUP1_SIZE BIT(3)
686 #define MLX5E_TTC_GROUP2_SIZE BIT(1)
687 #define MLX5E_TTC_GROUP3_SIZE BIT(0)
688 #define MLX5E_TTC_TABLE_SIZE (MLX5E_TTC_GROUP1_SIZE +\
689 MLX5E_TTC_GROUP2_SIZE +\
690 MLX5E_TTC_GROUP3_SIZE)
691 static int mlx5e_create_ttc_table_groups(struct mlx5e_ttc_table *ttc)
693 int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
694 struct mlx5e_flow_table *ft = &ttc->ft;
700 ft->g = kcalloc(MLX5E_TTC_NUM_GROUPS,
701 sizeof(*ft->g), GFP_KERNEL);
704 in = mlx5_vzalloc(inlen);
711 mc = MLX5_ADDR_OF(create_flow_group_in, in, match_criteria);
712 MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.ip_protocol);
713 MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.ethertype);
714 MLX5_SET_CFG(in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
715 MLX5_SET_CFG(in, start_flow_index, ix);
716 ix += MLX5E_TTC_GROUP1_SIZE;
717 MLX5_SET_CFG(in, end_flow_index, ix - 1);
718 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
719 if (IS_ERR(ft->g[ft->num_groups]))
724 MLX5_SET(fte_match_param, mc, outer_headers.ip_protocol, 0);
725 MLX5_SET_CFG(in, start_flow_index, ix);
726 ix += MLX5E_TTC_GROUP2_SIZE;
727 MLX5_SET_CFG(in, end_flow_index, ix - 1);
728 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
729 if (IS_ERR(ft->g[ft->num_groups]))
734 memset(in, 0, inlen);
735 MLX5_SET_CFG(in, start_flow_index, ix);
736 ix += MLX5E_TTC_GROUP3_SIZE;
737 MLX5_SET_CFG(in, end_flow_index, ix - 1);
738 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
739 if (IS_ERR(ft->g[ft->num_groups]))
747 err = PTR_ERR(ft->g[ft->num_groups]);
748 ft->g[ft->num_groups] = NULL;
754 static void mlx5e_destroy_ttc_table(struct mlx5e_priv *priv)
756 struct mlx5e_ttc_table *ttc = &priv->fs.ttc;
758 mlx5e_cleanup_ttc_rules(ttc);
759 mlx5e_destroy_flow_table(&ttc->ft);
762 static int mlx5e_create_ttc_table(struct mlx5e_priv *priv)
764 struct mlx5e_ttc_table *ttc = &priv->fs.ttc;
765 struct mlx5e_flow_table *ft = &ttc->ft;
768 ft->t = mlx5_create_flow_table(priv->fs.ns, MLX5E_NIC_PRIO,
769 MLX5E_TTC_TABLE_SIZE, MLX5E_TTC_FT_LEVEL);
771 err = PTR_ERR(ft->t);
776 err = mlx5e_create_ttc_table_groups(ttc);
780 err = mlx5e_generate_ttc_table_rules(priv);
786 mlx5e_destroy_flow_table(ft);
790 static void mlx5e_del_l2_flow_rule(struct mlx5e_priv *priv,
791 struct mlx5e_l2_rule *ai)
793 if (!IS_ERR_OR_NULL(ai->rule)) {
794 mlx5_del_flow_rule(ai->rule);
799 static int mlx5e_add_l2_flow_rule(struct mlx5e_priv *priv,
800 struct mlx5e_l2_rule *ai, int type)
802 struct mlx5_flow_table *ft = priv->fs.l2.ft.t;
803 struct mlx5_flow_destination dest;
804 u8 match_criteria_enable = 0;
811 match_value = mlx5_vzalloc(MLX5_ST_SZ_BYTES(fte_match_param));
812 match_criteria = mlx5_vzalloc(MLX5_ST_SZ_BYTES(fte_match_param));
813 if (!match_value || !match_criteria) {
814 netdev_err(priv->netdev, "%s: alloc failed\n", __func__);
816 goto add_l2_rule_out;
819 mc_dmac = MLX5_ADDR_OF(fte_match_param, match_criteria,
820 outer_headers.dmac_47_16);
821 mv_dmac = MLX5_ADDR_OF(fte_match_param, match_value,
822 outer_headers.dmac_47_16);
824 dest.type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
825 dest.ft = priv->fs.ttc.ft.t;
828 case MLX5E_FULLMATCH:
829 match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
830 eth_broadcast_addr(mc_dmac);
831 ether_addr_copy(mv_dmac, ai->addr);
835 match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
844 ai->rule = mlx5_add_flow_rule(ft, match_criteria_enable, match_criteria,
846 MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,
847 MLX5_FS_DEFAULT_FLOW_TAG, &dest);
848 if (IS_ERR(ai->rule)) {
849 netdev_err(priv->netdev, "%s: add l2 rule(mac:%pM) failed\n",
851 err = PTR_ERR(ai->rule);
856 kvfree(match_criteria);
862 #define MLX5E_NUM_L2_GROUPS 3
863 #define MLX5E_L2_GROUP1_SIZE BIT(0)
864 #define MLX5E_L2_GROUP2_SIZE BIT(15)
865 #define MLX5E_L2_GROUP3_SIZE BIT(0)
866 #define MLX5E_L2_TABLE_SIZE (MLX5E_L2_GROUP1_SIZE +\
867 MLX5E_L2_GROUP2_SIZE +\
868 MLX5E_L2_GROUP3_SIZE)
869 static int mlx5e_create_l2_table_groups(struct mlx5e_l2_table *l2_table)
871 int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
872 struct mlx5e_flow_table *ft = &l2_table->ft;
879 ft->g = kcalloc(MLX5E_NUM_L2_GROUPS, sizeof(*ft->g), GFP_KERNEL);
882 in = mlx5_vzalloc(inlen);
888 mc = MLX5_ADDR_OF(create_flow_group_in, in, match_criteria);
889 mc_dmac = MLX5_ADDR_OF(fte_match_param, mc,
890 outer_headers.dmac_47_16);
891 /* Flow Group for promiscuous */
892 MLX5_SET_CFG(in, start_flow_index, ix);
893 ix += MLX5E_L2_GROUP1_SIZE;
894 MLX5_SET_CFG(in, end_flow_index, ix - 1);
895 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
896 if (IS_ERR(ft->g[ft->num_groups]))
897 goto err_destroy_groups;
900 /* Flow Group for full match */
901 eth_broadcast_addr(mc_dmac);
902 MLX5_SET_CFG(in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
903 MLX5_SET_CFG(in, start_flow_index, ix);
904 ix += MLX5E_L2_GROUP2_SIZE;
905 MLX5_SET_CFG(in, end_flow_index, ix - 1);
906 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
907 if (IS_ERR(ft->g[ft->num_groups]))
908 goto err_destroy_groups;
911 /* Flow Group for allmulti */
912 eth_zero_addr(mc_dmac);
914 MLX5_SET_CFG(in, start_flow_index, ix);
915 ix += MLX5E_L2_GROUP3_SIZE;
916 MLX5_SET_CFG(in, end_flow_index, ix - 1);
917 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
918 if (IS_ERR(ft->g[ft->num_groups]))
919 goto err_destroy_groups;
926 err = PTR_ERR(ft->g[ft->num_groups]);
927 ft->g[ft->num_groups] = NULL;
928 mlx5e_destroy_groups(ft);
934 static void mlx5e_destroy_l2_table(struct mlx5e_priv *priv)
936 mlx5e_destroy_flow_table(&priv->fs.l2.ft);
939 static int mlx5e_create_l2_table(struct mlx5e_priv *priv)
941 struct mlx5e_l2_table *l2_table = &priv->fs.l2;
942 struct mlx5e_flow_table *ft = &l2_table->ft;
946 ft->t = mlx5_create_flow_table(priv->fs.ns, MLX5E_NIC_PRIO,
947 MLX5E_L2_TABLE_SIZE, MLX5E_L2_FT_LEVEL);
950 err = PTR_ERR(ft->t);
955 err = mlx5e_create_l2_table_groups(l2_table);
957 goto err_destroy_flow_table;
961 err_destroy_flow_table:
962 mlx5_destroy_flow_table(ft->t);
968 #define MLX5E_NUM_VLAN_GROUPS 2
969 #define MLX5E_VLAN_GROUP0_SIZE BIT(12)
970 #define MLX5E_VLAN_GROUP1_SIZE BIT(1)
971 #define MLX5E_VLAN_TABLE_SIZE (MLX5E_VLAN_GROUP0_SIZE +\
972 MLX5E_VLAN_GROUP1_SIZE)
974 static int __mlx5e_create_vlan_table_groups(struct mlx5e_flow_table *ft, u32 *in,
979 u8 *mc = MLX5_ADDR_OF(create_flow_group_in, in, match_criteria);
981 memset(in, 0, inlen);
982 MLX5_SET_CFG(in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
983 MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.vlan_tag);
984 MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.first_vid);
985 MLX5_SET_CFG(in, start_flow_index, ix);
986 ix += MLX5E_VLAN_GROUP0_SIZE;
987 MLX5_SET_CFG(in, end_flow_index, ix - 1);
988 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
989 if (IS_ERR(ft->g[ft->num_groups]))
990 goto err_destroy_groups;
993 memset(in, 0, inlen);
994 MLX5_SET_CFG(in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
995 MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.vlan_tag);
996 MLX5_SET_CFG(in, start_flow_index, ix);
997 ix += MLX5E_VLAN_GROUP1_SIZE;
998 MLX5_SET_CFG(in, end_flow_index, ix - 1);
999 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
1000 if (IS_ERR(ft->g[ft->num_groups]))
1001 goto err_destroy_groups;
1007 err = PTR_ERR(ft->g[ft->num_groups]);
1008 ft->g[ft->num_groups] = NULL;
1009 mlx5e_destroy_groups(ft);
1014 static int mlx5e_create_vlan_table_groups(struct mlx5e_flow_table *ft)
1017 int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
1020 in = mlx5_vzalloc(inlen);
1024 err = __mlx5e_create_vlan_table_groups(ft, in, inlen);
1030 static int mlx5e_create_vlan_table(struct mlx5e_priv *priv)
1032 struct mlx5e_flow_table *ft = &priv->fs.vlan.ft;
1036 ft->t = mlx5_create_flow_table(priv->fs.ns, MLX5E_NIC_PRIO,
1037 MLX5E_VLAN_TABLE_SIZE, MLX5E_VLAN_FT_LEVEL);
1039 if (IS_ERR(ft->t)) {
1040 err = PTR_ERR(ft->t);
1044 ft->g = kcalloc(MLX5E_NUM_VLAN_GROUPS, sizeof(*ft->g), GFP_KERNEL);
1047 goto err_destroy_vlan_table;
1050 err = mlx5e_create_vlan_table_groups(ft);
1054 err = mlx5e_add_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_UNTAGGED, 0);
1056 goto err_destroy_vlan_flow_groups;
1060 err_destroy_vlan_flow_groups:
1061 mlx5e_destroy_groups(ft);
1064 err_destroy_vlan_table:
1065 mlx5_destroy_flow_table(ft->t);
1071 static void mlx5e_destroy_vlan_table(struct mlx5e_priv *priv)
1073 mlx5e_destroy_flow_table(&priv->fs.vlan.ft);
1076 int mlx5e_create_flow_steering(struct mlx5e_priv *priv)
1080 priv->fs.ns = mlx5_get_flow_namespace(priv->mdev,
1081 MLX5_FLOW_NAMESPACE_KERNEL);
1086 err = mlx5e_create_ttc_table(priv);
1088 netdev_err(priv->netdev, "Failed to create ttc table, err=%d\n",
1093 err = mlx5e_create_l2_table(priv);
1095 netdev_err(priv->netdev, "Failed to create l2 table, err=%d\n",
1097 goto err_destroy_ttc_table;
1100 err = mlx5e_create_vlan_table(priv);
1102 netdev_err(priv->netdev, "Failed to create vlan table, err=%d\n",
1104 goto err_destroy_l2_table;
1109 err_destroy_l2_table:
1110 mlx5e_destroy_l2_table(priv);
1111 err_destroy_ttc_table:
1112 mlx5e_destroy_ttc_table(priv);
1117 void mlx5e_destroy_flow_steering(struct mlx5e_priv *priv)
1119 mlx5e_del_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_UNTAGGED, 0);
1120 mlx5e_destroy_vlan_table(priv);
1121 mlx5e_destroy_l2_table(priv);
1122 mlx5e_destroy_ttc_table(priv);