2 * Copyright (c) 2015, Mellanox Technologies. All rights reserved.
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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
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21 * provided with the distribution.
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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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_VID,
154 MLX5E_VLAN_RULE_TYPE_MATCH_VID,
157 static int __mlx5e_add_vlan_rule(struct mlx5e_priv *priv,
158 enum mlx5e_vlan_rule_type rule_type,
159 u16 vid, struct mlx5_flow_spec *spec)
161 struct mlx5_flow_table *ft = priv->fs.vlan.ft.t;
162 struct mlx5_flow_destination dest;
163 struct mlx5_flow_rule **rule_p;
166 dest.type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
167 dest.ft = priv->fs.l2.ft.t;
169 spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
170 MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.vlan_tag);
173 case MLX5E_VLAN_RULE_TYPE_UNTAGGED:
174 rule_p = &priv->fs.vlan.untagged_rule;
176 case MLX5E_VLAN_RULE_TYPE_ANY_VID:
177 rule_p = &priv->fs.vlan.any_vlan_rule;
178 MLX5_SET(fte_match_param, spec->match_value, outer_headers.vlan_tag, 1);
180 default: /* MLX5E_VLAN_RULE_TYPE_MATCH_VID */
181 rule_p = &priv->fs.vlan.active_vlans_rule[vid];
182 MLX5_SET(fte_match_param, spec->match_value, outer_headers.vlan_tag, 1);
183 MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria,
184 outer_headers.first_vid);
185 MLX5_SET(fte_match_param, spec->match_value, outer_headers.first_vid,
190 *rule_p = mlx5_add_flow_rule(ft, spec,
191 MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,
192 MLX5_FS_DEFAULT_FLOW_TAG,
195 if (IS_ERR(*rule_p)) {
196 err = PTR_ERR(*rule_p);
198 netdev_err(priv->netdev, "%s: add rule failed\n", __func__);
204 static int mlx5e_add_vlan_rule(struct mlx5e_priv *priv,
205 enum mlx5e_vlan_rule_type rule_type, u16 vid)
207 struct mlx5_flow_spec *spec;
210 spec = mlx5_vzalloc(sizeof(*spec));
212 netdev_err(priv->netdev, "%s: alloc failed\n", __func__);
216 if (rule_type == MLX5E_VLAN_RULE_TYPE_MATCH_VID)
217 mlx5e_vport_context_update_vlans(priv);
219 err = __mlx5e_add_vlan_rule(priv, rule_type, vid, spec);
226 static void mlx5e_del_vlan_rule(struct mlx5e_priv *priv,
227 enum mlx5e_vlan_rule_type rule_type, u16 vid)
230 case MLX5E_VLAN_RULE_TYPE_UNTAGGED:
231 if (priv->fs.vlan.untagged_rule) {
232 mlx5_del_flow_rule(priv->fs.vlan.untagged_rule);
233 priv->fs.vlan.untagged_rule = NULL;
236 case MLX5E_VLAN_RULE_TYPE_ANY_VID:
237 if (priv->fs.vlan.any_vlan_rule) {
238 mlx5_del_flow_rule(priv->fs.vlan.any_vlan_rule);
239 priv->fs.vlan.any_vlan_rule = NULL;
242 case MLX5E_VLAN_RULE_TYPE_MATCH_VID:
243 mlx5e_vport_context_update_vlans(priv);
244 if (priv->fs.vlan.active_vlans_rule[vid]) {
245 mlx5_del_flow_rule(priv->fs.vlan.active_vlans_rule[vid]);
246 priv->fs.vlan.active_vlans_rule[vid] = NULL;
248 mlx5e_vport_context_update_vlans(priv);
253 void mlx5e_enable_vlan_filter(struct mlx5e_priv *priv)
255 if (!priv->fs.vlan.filter_disabled)
258 priv->fs.vlan.filter_disabled = false;
259 if (priv->netdev->flags & IFF_PROMISC)
261 mlx5e_del_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_ANY_VID, 0);
264 void mlx5e_disable_vlan_filter(struct mlx5e_priv *priv)
266 if (priv->fs.vlan.filter_disabled)
269 priv->fs.vlan.filter_disabled = true;
270 if (priv->netdev->flags & IFF_PROMISC)
272 mlx5e_add_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_ANY_VID, 0);
275 int mlx5e_vlan_rx_add_vid(struct net_device *dev, __always_unused __be16 proto,
278 struct mlx5e_priv *priv = netdev_priv(dev);
280 set_bit(vid, priv->fs.vlan.active_vlans);
282 return mlx5e_add_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_MATCH_VID, vid);
285 int mlx5e_vlan_rx_kill_vid(struct net_device *dev, __always_unused __be16 proto,
288 struct mlx5e_priv *priv = netdev_priv(dev);
290 clear_bit(vid, priv->fs.vlan.active_vlans);
292 mlx5e_del_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_MATCH_VID, vid);
297 #define mlx5e_for_each_hash_node(hn, tmp, hash, i) \
298 for (i = 0; i < MLX5E_L2_ADDR_HASH_SIZE; i++) \
299 hlist_for_each_entry_safe(hn, tmp, &hash[i], hlist)
301 static void mlx5e_execute_l2_action(struct mlx5e_priv *priv,
302 struct mlx5e_l2_hash_node *hn)
304 switch (hn->action) {
305 case MLX5E_ACTION_ADD:
306 mlx5e_add_l2_flow_rule(priv, &hn->ai, MLX5E_FULLMATCH);
307 hn->action = MLX5E_ACTION_NONE;
310 case MLX5E_ACTION_DEL:
311 mlx5e_del_l2_flow_rule(priv, &hn->ai);
312 mlx5e_del_l2_from_hash(hn);
317 static void mlx5e_sync_netdev_addr(struct mlx5e_priv *priv)
319 struct net_device *netdev = priv->netdev;
320 struct netdev_hw_addr *ha;
322 netif_addr_lock_bh(netdev);
324 mlx5e_add_l2_to_hash(priv->fs.l2.netdev_uc,
325 priv->netdev->dev_addr);
327 netdev_for_each_uc_addr(ha, netdev)
328 mlx5e_add_l2_to_hash(priv->fs.l2.netdev_uc, ha->addr);
330 netdev_for_each_mc_addr(ha, netdev)
331 mlx5e_add_l2_to_hash(priv->fs.l2.netdev_mc, ha->addr);
333 netif_addr_unlock_bh(netdev);
336 static void mlx5e_fill_addr_array(struct mlx5e_priv *priv, int list_type,
337 u8 addr_array[][ETH_ALEN], int size)
339 bool is_uc = (list_type == MLX5_NVPRT_LIST_TYPE_UC);
340 struct net_device *ndev = priv->netdev;
341 struct mlx5e_l2_hash_node *hn;
342 struct hlist_head *addr_list;
343 struct hlist_node *tmp;
347 addr_list = is_uc ? priv->fs.l2.netdev_uc : priv->fs.l2.netdev_mc;
349 if (is_uc) /* Make sure our own address is pushed first */
350 ether_addr_copy(addr_array[i++], ndev->dev_addr);
351 else if (priv->fs.l2.broadcast_enabled)
352 ether_addr_copy(addr_array[i++], ndev->broadcast);
354 mlx5e_for_each_hash_node(hn, tmp, addr_list, hi) {
355 if (ether_addr_equal(ndev->dev_addr, hn->ai.addr))
359 ether_addr_copy(addr_array[i++], hn->ai.addr);
363 static void mlx5e_vport_context_update_addr_list(struct mlx5e_priv *priv,
366 bool is_uc = (list_type == MLX5_NVPRT_LIST_TYPE_UC);
367 struct mlx5e_l2_hash_node *hn;
368 u8 (*addr_array)[ETH_ALEN] = NULL;
369 struct hlist_head *addr_list;
370 struct hlist_node *tmp;
376 size = is_uc ? 0 : (priv->fs.l2.broadcast_enabled ? 1 : 0);
378 1 << MLX5_CAP_GEN(priv->mdev, log_max_current_uc_list) :
379 1 << MLX5_CAP_GEN(priv->mdev, log_max_current_mc_list);
381 addr_list = is_uc ? priv->fs.l2.netdev_uc : priv->fs.l2.netdev_mc;
382 mlx5e_for_each_hash_node(hn, tmp, addr_list, hi)
385 if (size > max_size) {
386 netdev_warn(priv->netdev,
387 "netdev %s list size (%d) > (%d) max vport list size, some addresses will be dropped\n",
388 is_uc ? "UC" : "MC", size, max_size);
393 addr_array = kcalloc(size, ETH_ALEN, GFP_KERNEL);
398 mlx5e_fill_addr_array(priv, list_type, addr_array, size);
401 err = mlx5_modify_nic_vport_mac_list(priv->mdev, list_type, addr_array, size);
404 netdev_err(priv->netdev,
405 "Failed to modify vport %s list err(%d)\n",
406 is_uc ? "UC" : "MC", err);
410 static void mlx5e_vport_context_update(struct mlx5e_priv *priv)
412 struct mlx5e_l2_table *ea = &priv->fs.l2;
414 mlx5e_vport_context_update_addr_list(priv, MLX5_NVPRT_LIST_TYPE_UC);
415 mlx5e_vport_context_update_addr_list(priv, MLX5_NVPRT_LIST_TYPE_MC);
416 mlx5_modify_nic_vport_promisc(priv->mdev, 0,
417 ea->allmulti_enabled,
418 ea->promisc_enabled);
421 static void mlx5e_apply_netdev_addr(struct mlx5e_priv *priv)
423 struct mlx5e_l2_hash_node *hn;
424 struct hlist_node *tmp;
427 mlx5e_for_each_hash_node(hn, tmp, priv->fs.l2.netdev_uc, i)
428 mlx5e_execute_l2_action(priv, hn);
430 mlx5e_for_each_hash_node(hn, tmp, priv->fs.l2.netdev_mc, i)
431 mlx5e_execute_l2_action(priv, hn);
434 static void mlx5e_handle_netdev_addr(struct mlx5e_priv *priv)
436 struct mlx5e_l2_hash_node *hn;
437 struct hlist_node *tmp;
440 mlx5e_for_each_hash_node(hn, tmp, priv->fs.l2.netdev_uc, i)
441 hn->action = MLX5E_ACTION_DEL;
442 mlx5e_for_each_hash_node(hn, tmp, priv->fs.l2.netdev_mc, i)
443 hn->action = MLX5E_ACTION_DEL;
445 if (!test_bit(MLX5E_STATE_DESTROYING, &priv->state))
446 mlx5e_sync_netdev_addr(priv);
448 mlx5e_apply_netdev_addr(priv);
451 void mlx5e_set_rx_mode_work(struct work_struct *work)
453 struct mlx5e_priv *priv = container_of(work, struct mlx5e_priv,
456 struct mlx5e_l2_table *ea = &priv->fs.l2;
457 struct net_device *ndev = priv->netdev;
459 bool rx_mode_enable = !test_bit(MLX5E_STATE_DESTROYING, &priv->state);
460 bool promisc_enabled = rx_mode_enable && (ndev->flags & IFF_PROMISC);
461 bool allmulti_enabled = rx_mode_enable && (ndev->flags & IFF_ALLMULTI);
462 bool broadcast_enabled = rx_mode_enable;
464 bool enable_promisc = !ea->promisc_enabled && promisc_enabled;
465 bool disable_promisc = ea->promisc_enabled && !promisc_enabled;
466 bool enable_allmulti = !ea->allmulti_enabled && allmulti_enabled;
467 bool disable_allmulti = ea->allmulti_enabled && !allmulti_enabled;
468 bool enable_broadcast = !ea->broadcast_enabled && broadcast_enabled;
469 bool disable_broadcast = ea->broadcast_enabled && !broadcast_enabled;
471 if (enable_promisc) {
472 mlx5e_add_l2_flow_rule(priv, &ea->promisc, MLX5E_PROMISC);
473 if (!priv->fs.vlan.filter_disabled)
474 mlx5e_add_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_ANY_VID,
478 mlx5e_add_l2_flow_rule(priv, &ea->allmulti, MLX5E_ALLMULTI);
479 if (enable_broadcast)
480 mlx5e_add_l2_flow_rule(priv, &ea->broadcast, MLX5E_FULLMATCH);
482 mlx5e_handle_netdev_addr(priv);
484 if (disable_broadcast)
485 mlx5e_del_l2_flow_rule(priv, &ea->broadcast);
486 if (disable_allmulti)
487 mlx5e_del_l2_flow_rule(priv, &ea->allmulti);
488 if (disable_promisc) {
489 if (!priv->fs.vlan.filter_disabled)
490 mlx5e_del_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_ANY_VID,
492 mlx5e_del_l2_flow_rule(priv, &ea->promisc);
495 ea->promisc_enabled = promisc_enabled;
496 ea->allmulti_enabled = allmulti_enabled;
497 ea->broadcast_enabled = broadcast_enabled;
499 mlx5e_vport_context_update(priv);
502 static void mlx5e_destroy_groups(struct mlx5e_flow_table *ft)
506 for (i = ft->num_groups - 1; i >= 0; i--) {
507 if (!IS_ERR_OR_NULL(ft->g[i]))
508 mlx5_destroy_flow_group(ft->g[i]);
514 void mlx5e_init_l2_addr(struct mlx5e_priv *priv)
516 ether_addr_copy(priv->fs.l2.broadcast.addr, priv->netdev->broadcast);
519 void mlx5e_destroy_flow_table(struct mlx5e_flow_table *ft)
521 mlx5e_destroy_groups(ft);
523 mlx5_destroy_flow_table(ft->t);
527 static void mlx5e_cleanup_ttc_rules(struct mlx5e_ttc_table *ttc)
531 for (i = 0; i < MLX5E_NUM_TT; i++) {
532 if (!IS_ERR_OR_NULL(ttc->rules[i])) {
533 mlx5_del_flow_rule(ttc->rules[i]);
534 ttc->rules[i] = NULL;
543 [MLX5E_TT_IPV4_TCP] = {
545 .proto = IPPROTO_TCP,
547 [MLX5E_TT_IPV6_TCP] = {
549 .proto = IPPROTO_TCP,
551 [MLX5E_TT_IPV4_UDP] = {
553 .proto = IPPROTO_UDP,
555 [MLX5E_TT_IPV6_UDP] = {
557 .proto = IPPROTO_UDP,
559 [MLX5E_TT_IPV4_IPSEC_AH] = {
563 [MLX5E_TT_IPV6_IPSEC_AH] = {
567 [MLX5E_TT_IPV4_IPSEC_ESP] = {
569 .proto = IPPROTO_ESP,
571 [MLX5E_TT_IPV6_IPSEC_ESP] = {
573 .proto = IPPROTO_ESP,
589 static struct mlx5_flow_rule *mlx5e_generate_ttc_rule(struct mlx5e_priv *priv,
590 struct mlx5_flow_table *ft,
591 struct mlx5_flow_destination *dest,
595 struct mlx5_flow_rule *rule;
596 struct mlx5_flow_spec *spec;
599 spec = mlx5_vzalloc(sizeof(*spec));
601 netdev_err(priv->netdev, "%s: alloc failed\n", __func__);
602 return ERR_PTR(-ENOMEM);
606 spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
607 MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.ip_protocol);
608 MLX5_SET(fte_match_param, spec->match_value, outer_headers.ip_protocol, proto);
611 spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
612 MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.ethertype);
613 MLX5_SET(fte_match_param, spec->match_value, outer_headers.ethertype, etype);
616 rule = mlx5_add_flow_rule(ft, spec,
617 MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,
618 MLX5_FS_DEFAULT_FLOW_TAG,
622 netdev_err(priv->netdev, "%s: add rule failed\n", __func__);
626 return err ? ERR_PTR(err) : rule;
629 static int mlx5e_generate_ttc_table_rules(struct mlx5e_priv *priv)
631 struct mlx5_flow_destination dest;
632 struct mlx5e_ttc_table *ttc;
633 struct mlx5_flow_rule **rules;
634 struct mlx5_flow_table *ft;
642 dest.type = MLX5_FLOW_DESTINATION_TYPE_TIR;
643 for (tt = 0; tt < MLX5E_NUM_TT; tt++) {
644 if (tt == MLX5E_TT_ANY)
645 dest.tir_num = priv->direct_tir[0].tirn;
647 dest.tir_num = priv->indir_tir[tt].tirn;
648 rules[tt] = mlx5e_generate_ttc_rule(priv, ft, &dest,
650 ttc_rules[tt].proto);
651 if (IS_ERR(rules[tt]))
658 err = PTR_ERR(rules[tt]);
660 mlx5e_cleanup_ttc_rules(ttc);
664 #define MLX5E_TTC_NUM_GROUPS 3
665 #define MLX5E_TTC_GROUP1_SIZE BIT(3)
666 #define MLX5E_TTC_GROUP2_SIZE BIT(1)
667 #define MLX5E_TTC_GROUP3_SIZE BIT(0)
668 #define MLX5E_TTC_TABLE_SIZE (MLX5E_TTC_GROUP1_SIZE +\
669 MLX5E_TTC_GROUP2_SIZE +\
670 MLX5E_TTC_GROUP3_SIZE)
671 static int mlx5e_create_ttc_table_groups(struct mlx5e_ttc_table *ttc)
673 int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
674 struct mlx5e_flow_table *ft = &ttc->ft;
680 ft->g = kcalloc(MLX5E_TTC_NUM_GROUPS,
681 sizeof(*ft->g), GFP_KERNEL);
684 in = mlx5_vzalloc(inlen);
691 mc = MLX5_ADDR_OF(create_flow_group_in, in, match_criteria);
692 MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.ip_protocol);
693 MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.ethertype);
694 MLX5_SET_CFG(in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
695 MLX5_SET_CFG(in, start_flow_index, ix);
696 ix += MLX5E_TTC_GROUP1_SIZE;
697 MLX5_SET_CFG(in, end_flow_index, ix - 1);
698 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
699 if (IS_ERR(ft->g[ft->num_groups]))
704 MLX5_SET(fte_match_param, mc, outer_headers.ip_protocol, 0);
705 MLX5_SET_CFG(in, start_flow_index, ix);
706 ix += MLX5E_TTC_GROUP2_SIZE;
707 MLX5_SET_CFG(in, end_flow_index, ix - 1);
708 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
709 if (IS_ERR(ft->g[ft->num_groups]))
714 memset(in, 0, inlen);
715 MLX5_SET_CFG(in, start_flow_index, ix);
716 ix += MLX5E_TTC_GROUP3_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]))
727 err = PTR_ERR(ft->g[ft->num_groups]);
728 ft->g[ft->num_groups] = NULL;
734 static void mlx5e_destroy_ttc_table(struct mlx5e_priv *priv)
736 struct mlx5e_ttc_table *ttc = &priv->fs.ttc;
738 mlx5e_cleanup_ttc_rules(ttc);
739 mlx5e_destroy_flow_table(&ttc->ft);
742 static int mlx5e_create_ttc_table(struct mlx5e_priv *priv)
744 struct mlx5e_ttc_table *ttc = &priv->fs.ttc;
745 struct mlx5e_flow_table *ft = &ttc->ft;
748 ft->t = mlx5_create_flow_table(priv->fs.ns, MLX5E_NIC_PRIO,
749 MLX5E_TTC_TABLE_SIZE, MLX5E_TTC_FT_LEVEL);
751 err = PTR_ERR(ft->t);
756 err = mlx5e_create_ttc_table_groups(ttc);
760 err = mlx5e_generate_ttc_table_rules(priv);
766 mlx5e_destroy_flow_table(ft);
770 static void mlx5e_del_l2_flow_rule(struct mlx5e_priv *priv,
771 struct mlx5e_l2_rule *ai)
773 if (!IS_ERR_OR_NULL(ai->rule)) {
774 mlx5_del_flow_rule(ai->rule);
779 static int mlx5e_add_l2_flow_rule(struct mlx5e_priv *priv,
780 struct mlx5e_l2_rule *ai, int type)
782 struct mlx5_flow_table *ft = priv->fs.l2.ft.t;
783 struct mlx5_flow_destination dest;
784 struct mlx5_flow_spec *spec;
789 spec = mlx5_vzalloc(sizeof(*spec));
791 netdev_err(priv->netdev, "%s: alloc failed\n", __func__);
795 mc_dmac = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
796 outer_headers.dmac_47_16);
797 mv_dmac = MLX5_ADDR_OF(fte_match_param, spec->match_value,
798 outer_headers.dmac_47_16);
800 dest.type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
801 dest.ft = priv->fs.ttc.ft.t;
804 case MLX5E_FULLMATCH:
805 spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
806 eth_broadcast_addr(mc_dmac);
807 ether_addr_copy(mv_dmac, ai->addr);
811 spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
820 ai->rule = mlx5_add_flow_rule(ft, spec,
821 MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,
822 MLX5_FS_DEFAULT_FLOW_TAG, &dest);
823 if (IS_ERR(ai->rule)) {
824 netdev_err(priv->netdev, "%s: add l2 rule(mac:%pM) failed\n",
826 err = PTR_ERR(ai->rule);
835 #define MLX5E_NUM_L2_GROUPS 3
836 #define MLX5E_L2_GROUP1_SIZE BIT(0)
837 #define MLX5E_L2_GROUP2_SIZE BIT(15)
838 #define MLX5E_L2_GROUP3_SIZE BIT(0)
839 #define MLX5E_L2_TABLE_SIZE (MLX5E_L2_GROUP1_SIZE +\
840 MLX5E_L2_GROUP2_SIZE +\
841 MLX5E_L2_GROUP3_SIZE)
842 static int mlx5e_create_l2_table_groups(struct mlx5e_l2_table *l2_table)
844 int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
845 struct mlx5e_flow_table *ft = &l2_table->ft;
852 ft->g = kcalloc(MLX5E_NUM_L2_GROUPS, sizeof(*ft->g), GFP_KERNEL);
855 in = mlx5_vzalloc(inlen);
861 mc = MLX5_ADDR_OF(create_flow_group_in, in, match_criteria);
862 mc_dmac = MLX5_ADDR_OF(fte_match_param, mc,
863 outer_headers.dmac_47_16);
864 /* Flow Group for promiscuous */
865 MLX5_SET_CFG(in, start_flow_index, ix);
866 ix += MLX5E_L2_GROUP1_SIZE;
867 MLX5_SET_CFG(in, end_flow_index, ix - 1);
868 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
869 if (IS_ERR(ft->g[ft->num_groups]))
870 goto err_destroy_groups;
873 /* Flow Group for full match */
874 eth_broadcast_addr(mc_dmac);
875 MLX5_SET_CFG(in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
876 MLX5_SET_CFG(in, start_flow_index, ix);
877 ix += MLX5E_L2_GROUP2_SIZE;
878 MLX5_SET_CFG(in, end_flow_index, ix - 1);
879 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
880 if (IS_ERR(ft->g[ft->num_groups]))
881 goto err_destroy_groups;
884 /* Flow Group for allmulti */
885 eth_zero_addr(mc_dmac);
887 MLX5_SET_CFG(in, start_flow_index, ix);
888 ix += MLX5E_L2_GROUP3_SIZE;
889 MLX5_SET_CFG(in, end_flow_index, ix - 1);
890 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
891 if (IS_ERR(ft->g[ft->num_groups]))
892 goto err_destroy_groups;
899 err = PTR_ERR(ft->g[ft->num_groups]);
900 ft->g[ft->num_groups] = NULL;
901 mlx5e_destroy_groups(ft);
907 static void mlx5e_destroy_l2_table(struct mlx5e_priv *priv)
909 mlx5e_destroy_flow_table(&priv->fs.l2.ft);
912 static int mlx5e_create_l2_table(struct mlx5e_priv *priv)
914 struct mlx5e_l2_table *l2_table = &priv->fs.l2;
915 struct mlx5e_flow_table *ft = &l2_table->ft;
919 ft->t = mlx5_create_flow_table(priv->fs.ns, MLX5E_NIC_PRIO,
920 MLX5E_L2_TABLE_SIZE, MLX5E_L2_FT_LEVEL);
923 err = PTR_ERR(ft->t);
928 err = mlx5e_create_l2_table_groups(l2_table);
930 goto err_destroy_flow_table;
934 err_destroy_flow_table:
935 mlx5_destroy_flow_table(ft->t);
941 #define MLX5E_NUM_VLAN_GROUPS 2
942 #define MLX5E_VLAN_GROUP0_SIZE BIT(12)
943 #define MLX5E_VLAN_GROUP1_SIZE BIT(1)
944 #define MLX5E_VLAN_TABLE_SIZE (MLX5E_VLAN_GROUP0_SIZE +\
945 MLX5E_VLAN_GROUP1_SIZE)
947 static int __mlx5e_create_vlan_table_groups(struct mlx5e_flow_table *ft, u32 *in,
952 u8 *mc = MLX5_ADDR_OF(create_flow_group_in, in, match_criteria);
954 memset(in, 0, inlen);
955 MLX5_SET_CFG(in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
956 MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.vlan_tag);
957 MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.first_vid);
958 MLX5_SET_CFG(in, start_flow_index, ix);
959 ix += MLX5E_VLAN_GROUP0_SIZE;
960 MLX5_SET_CFG(in, end_flow_index, ix - 1);
961 ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
962 if (IS_ERR(ft->g[ft->num_groups]))
963 goto err_destroy_groups;
966 memset(in, 0, inlen);
967 MLX5_SET_CFG(in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
968 MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.vlan_tag);
969 MLX5_SET_CFG(in, start_flow_index, ix);
970 ix += MLX5E_VLAN_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]))
974 goto err_destroy_groups;
980 err = PTR_ERR(ft->g[ft->num_groups]);
981 ft->g[ft->num_groups] = NULL;
982 mlx5e_destroy_groups(ft);
987 static int mlx5e_create_vlan_table_groups(struct mlx5e_flow_table *ft)
990 int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
993 in = mlx5_vzalloc(inlen);
997 err = __mlx5e_create_vlan_table_groups(ft, in, inlen);
1003 static int mlx5e_create_vlan_table(struct mlx5e_priv *priv)
1005 struct mlx5e_flow_table *ft = &priv->fs.vlan.ft;
1009 ft->t = mlx5_create_flow_table(priv->fs.ns, MLX5E_NIC_PRIO,
1010 MLX5E_VLAN_TABLE_SIZE, MLX5E_VLAN_FT_LEVEL);
1012 if (IS_ERR(ft->t)) {
1013 err = PTR_ERR(ft->t);
1017 ft->g = kcalloc(MLX5E_NUM_VLAN_GROUPS, sizeof(*ft->g), GFP_KERNEL);
1020 goto err_destroy_vlan_table;
1023 err = mlx5e_create_vlan_table_groups(ft);
1027 err = mlx5e_add_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_UNTAGGED, 0);
1029 goto err_destroy_vlan_flow_groups;
1033 err_destroy_vlan_flow_groups:
1034 mlx5e_destroy_groups(ft);
1037 err_destroy_vlan_table:
1038 mlx5_destroy_flow_table(ft->t);
1044 static void mlx5e_destroy_vlan_table(struct mlx5e_priv *priv)
1046 mlx5e_destroy_flow_table(&priv->fs.vlan.ft);
1049 int mlx5e_create_flow_steering(struct mlx5e_priv *priv)
1053 priv->fs.ns = mlx5_get_flow_namespace(priv->mdev,
1054 MLX5_FLOW_NAMESPACE_KERNEL);
1059 err = mlx5e_arfs_create_tables(priv);
1061 netdev_err(priv->netdev, "Failed to create arfs tables, err=%d\n",
1063 priv->netdev->hw_features &= ~NETIF_F_NTUPLE;
1066 err = mlx5e_create_ttc_table(priv);
1068 netdev_err(priv->netdev, "Failed to create ttc table, err=%d\n",
1070 goto err_destroy_arfs_tables;
1073 err = mlx5e_create_l2_table(priv);
1075 netdev_err(priv->netdev, "Failed to create l2 table, err=%d\n",
1077 goto err_destroy_ttc_table;
1080 err = mlx5e_create_vlan_table(priv);
1082 netdev_err(priv->netdev, "Failed to create vlan table, err=%d\n",
1084 goto err_destroy_l2_table;
1087 mlx5e_ethtool_init_steering(priv);
1091 err_destroy_l2_table:
1092 mlx5e_destroy_l2_table(priv);
1093 err_destroy_ttc_table:
1094 mlx5e_destroy_ttc_table(priv);
1095 err_destroy_arfs_tables:
1096 mlx5e_arfs_destroy_tables(priv);
1101 void mlx5e_destroy_flow_steering(struct mlx5e_priv *priv)
1103 mlx5e_del_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_UNTAGGED, 0);
1104 mlx5e_destroy_vlan_table(priv);
1105 mlx5e_destroy_l2_table(priv);
1106 mlx5e_destroy_ttc_table(priv);
1107 mlx5e_arfs_destroy_tables(priv);
1108 mlx5e_ethtool_cleanup_steering(priv);