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
20 * disclaimer in the documentation and/or other materials
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
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
33 #include <linux/etherdevice.h>
34 #include <linux/mlx5/driver.h>
35 #include <linux/mlx5/mlx5_ifc.h>
36 #include <linux/mlx5/vport.h>
37 #include <linux/mlx5/fs.h>
38 #include "mlx5_core.h"
43 #define UPLINK_VPORT 0xFFFF
51 /* Vport UC/MC hash node */
53 struct l2addr_node node;
56 struct mlx5_flow_handle *flow_rule;
57 bool mpfs; /* UC MAC was added to MPFs */
58 /* A flag indicating that mac was added due to mc promiscuous vport */
63 UC_ADDR_CHANGE = BIT(0),
64 MC_ADDR_CHANGE = BIT(1),
65 PROMISC_CHANGE = BIT(3),
68 /* Vport context events */
69 #define SRIOV_VPORT_EVENTS (UC_ADDR_CHANGE | \
73 static int arm_vport_context_events_cmd(struct mlx5_core_dev *dev, u16 vport,
76 int in[MLX5_ST_SZ_DW(modify_nic_vport_context_in)] = {0};
77 int out[MLX5_ST_SZ_DW(modify_nic_vport_context_out)] = {0};
80 MLX5_SET(modify_nic_vport_context_in, in,
81 opcode, MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
82 MLX5_SET(modify_nic_vport_context_in, in, field_select.change_event, 1);
83 MLX5_SET(modify_nic_vport_context_in, in, vport_number, vport);
85 MLX5_SET(modify_nic_vport_context_in, in, other_vport, 1);
86 nic_vport_ctx = MLX5_ADDR_OF(modify_nic_vport_context_in,
87 in, nic_vport_context);
89 MLX5_SET(nic_vport_context, nic_vport_ctx, arm_change_event, 1);
91 if (events_mask & UC_ADDR_CHANGE)
92 MLX5_SET(nic_vport_context, nic_vport_ctx,
93 event_on_uc_address_change, 1);
94 if (events_mask & MC_ADDR_CHANGE)
95 MLX5_SET(nic_vport_context, nic_vport_ctx,
96 event_on_mc_address_change, 1);
97 if (events_mask & PROMISC_CHANGE)
98 MLX5_SET(nic_vport_context, nic_vport_ctx,
99 event_on_promisc_change, 1);
101 return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
104 /* E-Switch vport context HW commands */
105 static int modify_esw_vport_context_cmd(struct mlx5_core_dev *dev, u16 vport,
108 u32 out[MLX5_ST_SZ_DW(modify_esw_vport_context_out)] = {0};
110 MLX5_SET(modify_esw_vport_context_in, in, opcode,
111 MLX5_CMD_OP_MODIFY_ESW_VPORT_CONTEXT);
112 MLX5_SET(modify_esw_vport_context_in, in, vport_number, vport);
114 MLX5_SET(modify_esw_vport_context_in, in, other_vport, 1);
115 return mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
118 static int modify_esw_vport_cvlan(struct mlx5_core_dev *dev, u32 vport,
119 u16 vlan, u8 qos, u8 set_flags)
121 u32 in[MLX5_ST_SZ_DW(modify_esw_vport_context_in)] = {0};
123 if (!MLX5_CAP_ESW(dev, vport_cvlan_strip) ||
124 !MLX5_CAP_ESW(dev, vport_cvlan_insert_if_not_exist))
127 esw_debug(dev, "Set Vport[%d] VLAN %d qos %d set=%x\n",
128 vport, vlan, qos, set_flags);
130 if (set_flags & SET_VLAN_STRIP)
131 MLX5_SET(modify_esw_vport_context_in, in,
132 esw_vport_context.vport_cvlan_strip, 1);
134 if (set_flags & SET_VLAN_INSERT) {
135 /* insert only if no vlan in packet */
136 MLX5_SET(modify_esw_vport_context_in, in,
137 esw_vport_context.vport_cvlan_insert, 1);
139 MLX5_SET(modify_esw_vport_context_in, in,
140 esw_vport_context.cvlan_pcp, qos);
141 MLX5_SET(modify_esw_vport_context_in, in,
142 esw_vport_context.cvlan_id, vlan);
145 MLX5_SET(modify_esw_vport_context_in, in,
146 field_select.vport_cvlan_strip, 1);
147 MLX5_SET(modify_esw_vport_context_in, in,
148 field_select.vport_cvlan_insert, 1);
150 return modify_esw_vport_context_cmd(dev, vport, in, sizeof(in));
154 static struct mlx5_flow_handle *
155 __esw_fdb_set_vport_rule(struct mlx5_eswitch *esw, u32 vport, bool rx_rule,
156 u8 mac_c[ETH_ALEN], u8 mac_v[ETH_ALEN])
158 int match_header = (is_zero_ether_addr(mac_c) ? 0 :
159 MLX5_MATCH_OUTER_HEADERS);
160 struct mlx5_flow_handle *flow_rule = NULL;
161 struct mlx5_flow_act flow_act = {0};
162 struct mlx5_flow_destination dest = {};
163 struct mlx5_flow_spec *spec;
164 void *mv_misc = NULL;
165 void *mc_misc = NULL;
170 match_header |= MLX5_MATCH_MISC_PARAMETERS;
172 spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
176 dmac_v = MLX5_ADDR_OF(fte_match_param, spec->match_value,
177 outer_headers.dmac_47_16);
178 dmac_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
179 outer_headers.dmac_47_16);
181 if (match_header & MLX5_MATCH_OUTER_HEADERS) {
182 ether_addr_copy(dmac_v, mac_v);
183 ether_addr_copy(dmac_c, mac_c);
186 if (match_header & MLX5_MATCH_MISC_PARAMETERS) {
187 mv_misc = MLX5_ADDR_OF(fte_match_param, spec->match_value,
189 mc_misc = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
191 MLX5_SET(fte_match_set_misc, mv_misc, source_port, UPLINK_VPORT);
192 MLX5_SET_TO_ONES(fte_match_set_misc, mc_misc, source_port);
195 dest.type = MLX5_FLOW_DESTINATION_TYPE_VPORT;
196 dest.vport.num = vport;
199 "\tFDB add rule dmac_v(%pM) dmac_c(%pM) -> vport(%d)\n",
200 dmac_v, dmac_c, vport);
201 spec->match_criteria_enable = match_header;
202 flow_act.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST;
204 mlx5_add_flow_rules(esw->fdb_table.legacy.fdb, spec,
205 &flow_act, &dest, 1);
206 if (IS_ERR(flow_rule)) {
208 "FDB: Failed to add flow rule: dmac_v(%pM) dmac_c(%pM) -> vport(%d), err(%ld)\n",
209 dmac_v, dmac_c, vport, PTR_ERR(flow_rule));
217 static struct mlx5_flow_handle *
218 esw_fdb_set_vport_rule(struct mlx5_eswitch *esw, u8 mac[ETH_ALEN], u32 vport)
222 eth_broadcast_addr(mac_c);
223 return __esw_fdb_set_vport_rule(esw, vport, false, mac_c, mac);
226 static struct mlx5_flow_handle *
227 esw_fdb_set_vport_allmulti_rule(struct mlx5_eswitch *esw, u32 vport)
232 eth_zero_addr(mac_c);
233 eth_zero_addr(mac_v);
236 return __esw_fdb_set_vport_rule(esw, vport, false, mac_c, mac_v);
239 static struct mlx5_flow_handle *
240 esw_fdb_set_vport_promisc_rule(struct mlx5_eswitch *esw, u32 vport)
245 eth_zero_addr(mac_c);
246 eth_zero_addr(mac_v);
247 return __esw_fdb_set_vport_rule(esw, vport, true, mac_c, mac_v);
250 static int esw_create_legacy_fdb_table(struct mlx5_eswitch *esw)
252 int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
253 struct mlx5_flow_table_attr ft_attr = {};
254 struct mlx5_core_dev *dev = esw->dev;
255 struct mlx5_flow_namespace *root_ns;
256 struct mlx5_flow_table *fdb;
257 struct mlx5_flow_group *g;
258 void *match_criteria;
264 esw_debug(dev, "Create FDB log_max_size(%d)\n",
265 MLX5_CAP_ESW_FLOWTABLE_FDB(dev, log_max_ft_size));
267 root_ns = mlx5_get_fdb_sub_ns(dev, 0);
269 esw_warn(dev, "Failed to get FDB flow namespace\n");
273 flow_group_in = kvzalloc(inlen, GFP_KERNEL);
277 table_size = BIT(MLX5_CAP_ESW_FLOWTABLE_FDB(dev, log_max_ft_size));
279 ft_attr.max_fte = table_size;
280 fdb = mlx5_create_flow_table(root_ns, &ft_attr);
283 esw_warn(dev, "Failed to create FDB Table err %d\n", err);
286 esw->fdb_table.legacy.fdb = fdb;
288 /* Addresses group : Full match unicast/multicast addresses */
289 MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable,
290 MLX5_MATCH_OUTER_HEADERS);
291 match_criteria = MLX5_ADDR_OF(create_flow_group_in, flow_group_in, match_criteria);
292 dmac = MLX5_ADDR_OF(fte_match_param, match_criteria, outer_headers.dmac_47_16);
293 MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 0);
294 /* Preserve 2 entries for allmulti and promisc rules*/
295 MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, table_size - 3);
296 eth_broadcast_addr(dmac);
297 g = mlx5_create_flow_group(fdb, flow_group_in);
300 esw_warn(dev, "Failed to create flow group err(%d)\n", err);
303 esw->fdb_table.legacy.addr_grp = g;
305 /* Allmulti group : One rule that forwards any mcast traffic */
306 MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable,
307 MLX5_MATCH_OUTER_HEADERS);
308 MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, table_size - 2);
309 MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, table_size - 2);
312 g = mlx5_create_flow_group(fdb, flow_group_in);
315 esw_warn(dev, "Failed to create allmulti flow group err(%d)\n", err);
318 esw->fdb_table.legacy.allmulti_grp = g;
320 /* Promiscuous group :
321 * One rule that forward all unmatched traffic from previous groups
324 MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable,
325 MLX5_MATCH_MISC_PARAMETERS);
326 MLX5_SET_TO_ONES(fte_match_param, match_criteria, misc_parameters.source_port);
327 MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, table_size - 1);
328 MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, table_size - 1);
329 g = mlx5_create_flow_group(fdb, flow_group_in);
332 esw_warn(dev, "Failed to create promisc flow group err(%d)\n", err);
335 esw->fdb_table.legacy.promisc_grp = g;
339 if (!IS_ERR_OR_NULL(esw->fdb_table.legacy.allmulti_grp)) {
340 mlx5_destroy_flow_group(esw->fdb_table.legacy.allmulti_grp);
341 esw->fdb_table.legacy.allmulti_grp = NULL;
343 if (!IS_ERR_OR_NULL(esw->fdb_table.legacy.addr_grp)) {
344 mlx5_destroy_flow_group(esw->fdb_table.legacy.addr_grp);
345 esw->fdb_table.legacy.addr_grp = NULL;
347 if (!IS_ERR_OR_NULL(esw->fdb_table.legacy.fdb)) {
348 mlx5_destroy_flow_table(esw->fdb_table.legacy.fdb);
349 esw->fdb_table.legacy.fdb = NULL;
353 kvfree(flow_group_in);
357 static void esw_destroy_legacy_fdb_table(struct mlx5_eswitch *esw)
359 if (!esw->fdb_table.legacy.fdb)
362 esw_debug(esw->dev, "Destroy FDB Table\n");
363 mlx5_destroy_flow_group(esw->fdb_table.legacy.promisc_grp);
364 mlx5_destroy_flow_group(esw->fdb_table.legacy.allmulti_grp);
365 mlx5_destroy_flow_group(esw->fdb_table.legacy.addr_grp);
366 mlx5_destroy_flow_table(esw->fdb_table.legacy.fdb);
367 esw->fdb_table.legacy.fdb = NULL;
368 esw->fdb_table.legacy.addr_grp = NULL;
369 esw->fdb_table.legacy.allmulti_grp = NULL;
370 esw->fdb_table.legacy.promisc_grp = NULL;
373 /* E-Switch vport UC/MC lists management */
374 typedef int (*vport_addr_action)(struct mlx5_eswitch *esw,
375 struct vport_addr *vaddr);
377 static int esw_add_uc_addr(struct mlx5_eswitch *esw, struct vport_addr *vaddr)
379 u8 *mac = vaddr->node.addr;
380 u32 vport = vaddr->vport;
383 /* Skip mlx5_mpfs_add_mac for PFs,
384 * it is already done by the PF netdev in mlx5e_execute_l2_action
389 err = mlx5_mpfs_add_mac(esw->dev, mac);
392 "Failed to add L2 table mac(%pM) for vport(%d), err(%d)\n",
399 /* SRIOV is enabled: Forward UC MAC to vport */
400 if (esw->fdb_table.legacy.fdb && esw->mode == SRIOV_LEGACY)
401 vaddr->flow_rule = esw_fdb_set_vport_rule(esw, mac, vport);
403 esw_debug(esw->dev, "\tADDED UC MAC: vport[%d] %pM fr(%p)\n",
404 vport, mac, vaddr->flow_rule);
409 static int esw_del_uc_addr(struct mlx5_eswitch *esw, struct vport_addr *vaddr)
411 u8 *mac = vaddr->node.addr;
412 u32 vport = vaddr->vport;
415 /* Skip mlx5_mpfs_del_mac for PFs,
416 * it is already done by the PF netdev in mlx5e_execute_l2_action
418 if (!vport || !vaddr->mpfs)
421 err = mlx5_mpfs_del_mac(esw->dev, mac);
424 "Failed to del L2 table mac(%pM) for vport(%d), err(%d)\n",
429 if (vaddr->flow_rule)
430 mlx5_del_flow_rules(vaddr->flow_rule);
431 vaddr->flow_rule = NULL;
436 static void update_allmulti_vports(struct mlx5_eswitch *esw,
437 struct vport_addr *vaddr,
438 struct esw_mc_addr *esw_mc)
440 u8 *mac = vaddr->node.addr;
443 for (vport_idx = 0; vport_idx < esw->total_vports; vport_idx++) {
444 struct mlx5_vport *vport = &esw->vports[vport_idx];
445 struct hlist_head *vport_hash = vport->mc_list;
446 struct vport_addr *iter_vaddr =
447 l2addr_hash_find(vport_hash,
450 if (IS_ERR_OR_NULL(vport->allmulti_rule) ||
451 vaddr->vport == vport_idx)
453 switch (vaddr->action) {
454 case MLX5_ACTION_ADD:
457 iter_vaddr = l2addr_hash_add(vport_hash, mac,
462 "ALL-MULTI: Failed to add MAC(%pM) to vport[%d] DB\n",
466 iter_vaddr->vport = vport_idx;
467 iter_vaddr->flow_rule =
468 esw_fdb_set_vport_rule(esw,
471 iter_vaddr->mc_promisc = true;
473 case MLX5_ACTION_DEL:
476 mlx5_del_flow_rules(iter_vaddr->flow_rule);
477 l2addr_hash_del(iter_vaddr);
483 static int esw_add_mc_addr(struct mlx5_eswitch *esw, struct vport_addr *vaddr)
485 struct hlist_head *hash = esw->mc_table;
486 struct esw_mc_addr *esw_mc;
487 u8 *mac = vaddr->node.addr;
488 u32 vport = vaddr->vport;
490 if (!esw->fdb_table.legacy.fdb)
493 esw_mc = l2addr_hash_find(hash, mac, struct esw_mc_addr);
497 esw_mc = l2addr_hash_add(hash, mac, struct esw_mc_addr, GFP_KERNEL);
501 esw_mc->uplink_rule = /* Forward MC MAC to Uplink */
502 esw_fdb_set_vport_rule(esw, mac, UPLINK_VPORT);
504 /* Add this multicast mac to all the mc promiscuous vports */
505 update_allmulti_vports(esw, vaddr, esw_mc);
508 /* If the multicast mac is added as a result of mc promiscuous vport,
509 * don't increment the multicast ref count
511 if (!vaddr->mc_promisc)
514 /* Forward MC MAC to vport */
515 vaddr->flow_rule = esw_fdb_set_vport_rule(esw, mac, vport);
517 "\tADDED MC MAC: vport[%d] %pM fr(%p) refcnt(%d) uplinkfr(%p)\n",
518 vport, mac, vaddr->flow_rule,
519 esw_mc->refcnt, esw_mc->uplink_rule);
523 static int esw_del_mc_addr(struct mlx5_eswitch *esw, struct vport_addr *vaddr)
525 struct hlist_head *hash = esw->mc_table;
526 struct esw_mc_addr *esw_mc;
527 u8 *mac = vaddr->node.addr;
528 u32 vport = vaddr->vport;
530 if (!esw->fdb_table.legacy.fdb)
533 esw_mc = l2addr_hash_find(hash, mac, struct esw_mc_addr);
536 "Failed to find eswitch MC addr for MAC(%pM) vport(%d)",
541 "\tDELETE MC MAC: vport[%d] %pM fr(%p) refcnt(%d) uplinkfr(%p)\n",
542 vport, mac, vaddr->flow_rule, esw_mc->refcnt,
543 esw_mc->uplink_rule);
545 if (vaddr->flow_rule)
546 mlx5_del_flow_rules(vaddr->flow_rule);
547 vaddr->flow_rule = NULL;
549 /* If the multicast mac is added as a result of mc promiscuous vport,
550 * don't decrement the multicast ref count.
552 if (vaddr->mc_promisc || (--esw_mc->refcnt > 0))
555 /* Remove this multicast mac from all the mc promiscuous vports */
556 update_allmulti_vports(esw, vaddr, esw_mc);
558 if (esw_mc->uplink_rule)
559 mlx5_del_flow_rules(esw_mc->uplink_rule);
561 l2addr_hash_del(esw_mc);
565 /* Apply vport UC/MC list to HW l2 table and FDB table */
566 static void esw_apply_vport_addr_list(struct mlx5_eswitch *esw,
567 u32 vport_num, int list_type)
569 struct mlx5_vport *vport = &esw->vports[vport_num];
570 bool is_uc = list_type == MLX5_NVPRT_LIST_TYPE_UC;
571 vport_addr_action vport_addr_add;
572 vport_addr_action vport_addr_del;
573 struct vport_addr *addr;
574 struct l2addr_node *node;
575 struct hlist_head *hash;
576 struct hlist_node *tmp;
579 vport_addr_add = is_uc ? esw_add_uc_addr :
581 vport_addr_del = is_uc ? esw_del_uc_addr :
584 hash = is_uc ? vport->uc_list : vport->mc_list;
585 for_each_l2hash_node(node, tmp, hash, hi) {
586 addr = container_of(node, struct vport_addr, node);
587 switch (addr->action) {
588 case MLX5_ACTION_ADD:
589 vport_addr_add(esw, addr);
590 addr->action = MLX5_ACTION_NONE;
592 case MLX5_ACTION_DEL:
593 vport_addr_del(esw, addr);
594 l2addr_hash_del(addr);
600 /* Sync vport UC/MC list from vport context */
601 static void esw_update_vport_addr_list(struct mlx5_eswitch *esw,
602 u32 vport_num, int list_type)
604 struct mlx5_vport *vport = &esw->vports[vport_num];
605 bool is_uc = list_type == MLX5_NVPRT_LIST_TYPE_UC;
606 u8 (*mac_list)[ETH_ALEN];
607 struct l2addr_node *node;
608 struct vport_addr *addr;
609 struct hlist_head *hash;
610 struct hlist_node *tmp;
616 size = is_uc ? MLX5_MAX_UC_PER_VPORT(esw->dev) :
617 MLX5_MAX_MC_PER_VPORT(esw->dev);
619 mac_list = kcalloc(size, ETH_ALEN, GFP_KERNEL);
623 hash = is_uc ? vport->uc_list : vport->mc_list;
625 for_each_l2hash_node(node, tmp, hash, hi) {
626 addr = container_of(node, struct vport_addr, node);
627 addr->action = MLX5_ACTION_DEL;
633 err = mlx5_query_nic_vport_mac_list(esw->dev, vport_num, list_type,
637 esw_debug(esw->dev, "vport[%d] context update %s list size (%d)\n",
638 vport_num, is_uc ? "UC" : "MC", size);
640 for (i = 0; i < size; i++) {
641 if (is_uc && !is_valid_ether_addr(mac_list[i]))
644 if (!is_uc && !is_multicast_ether_addr(mac_list[i]))
647 addr = l2addr_hash_find(hash, mac_list[i], struct vport_addr);
649 addr->action = MLX5_ACTION_NONE;
650 /* If this mac was previously added because of allmulti
651 * promiscuous rx mode, its now converted to be original
654 if (addr->mc_promisc) {
655 struct esw_mc_addr *esw_mc =
656 l2addr_hash_find(esw->mc_table,
661 "Failed to MAC(%pM) in mcast DB\n",
666 addr->mc_promisc = false;
671 addr = l2addr_hash_add(hash, mac_list[i], struct vport_addr,
675 "Failed to add MAC(%pM) to vport[%d] DB\n",
676 mac_list[i], vport_num);
679 addr->vport = vport_num;
680 addr->action = MLX5_ACTION_ADD;
686 /* Sync vport UC/MC list from vport context
687 * Must be called after esw_update_vport_addr_list
689 static void esw_update_vport_mc_promisc(struct mlx5_eswitch *esw, u32 vport_num)
691 struct mlx5_vport *vport = &esw->vports[vport_num];
692 struct l2addr_node *node;
693 struct vport_addr *addr;
694 struct hlist_head *hash;
695 struct hlist_node *tmp;
698 hash = vport->mc_list;
700 for_each_l2hash_node(node, tmp, esw->mc_table, hi) {
701 u8 *mac = node->addr;
703 addr = l2addr_hash_find(hash, mac, struct vport_addr);
705 if (addr->action == MLX5_ACTION_DEL)
706 addr->action = MLX5_ACTION_NONE;
709 addr = l2addr_hash_add(hash, mac, struct vport_addr,
713 "Failed to add allmulti MAC(%pM) to vport[%d] DB\n",
717 addr->vport = vport_num;
718 addr->action = MLX5_ACTION_ADD;
719 addr->mc_promisc = true;
723 /* Apply vport rx mode to HW FDB table */
724 static void esw_apply_vport_rx_mode(struct mlx5_eswitch *esw, u32 vport_num,
725 bool promisc, bool mc_promisc)
727 struct esw_mc_addr *allmulti_addr = &esw->mc_promisc;
728 struct mlx5_vport *vport = &esw->vports[vport_num];
730 if (IS_ERR_OR_NULL(vport->allmulti_rule) != mc_promisc)
734 vport->allmulti_rule =
735 esw_fdb_set_vport_allmulti_rule(esw, vport_num);
736 if (!allmulti_addr->uplink_rule)
737 allmulti_addr->uplink_rule =
738 esw_fdb_set_vport_allmulti_rule(esw,
740 allmulti_addr->refcnt++;
741 } else if (vport->allmulti_rule) {
742 mlx5_del_flow_rules(vport->allmulti_rule);
743 vport->allmulti_rule = NULL;
745 if (--allmulti_addr->refcnt > 0)
748 if (allmulti_addr->uplink_rule)
749 mlx5_del_flow_rules(allmulti_addr->uplink_rule);
750 allmulti_addr->uplink_rule = NULL;
754 if (IS_ERR_OR_NULL(vport->promisc_rule) != promisc)
758 vport->promisc_rule = esw_fdb_set_vport_promisc_rule(esw,
760 } else if (vport->promisc_rule) {
761 mlx5_del_flow_rules(vport->promisc_rule);
762 vport->promisc_rule = NULL;
766 /* Sync vport rx mode from vport context */
767 static void esw_update_vport_rx_mode(struct mlx5_eswitch *esw, u32 vport_num)
769 struct mlx5_vport *vport = &esw->vports[vport_num];
775 err = mlx5_query_nic_vport_promisc(esw->dev,
782 esw_debug(esw->dev, "vport[%d] context update rx mode promisc_all=%d, all_multi=%d\n",
783 vport_num, promisc_all, promisc_mc);
785 if (!vport->info.trusted || !vport->enabled) {
791 esw_apply_vport_rx_mode(esw, vport_num, promisc_all,
792 (promisc_all || promisc_mc));
795 static void esw_vport_change_handle_locked(struct mlx5_vport *vport)
797 struct mlx5_core_dev *dev = vport->dev;
798 struct mlx5_eswitch *esw = dev->priv.eswitch;
801 mlx5_query_nic_vport_mac_address(dev, vport->vport, mac);
802 esw_debug(dev, "vport[%d] Context Changed: perm mac: %pM\n",
805 if (vport->enabled_events & UC_ADDR_CHANGE) {
806 esw_update_vport_addr_list(esw, vport->vport,
807 MLX5_NVPRT_LIST_TYPE_UC);
808 esw_apply_vport_addr_list(esw, vport->vport,
809 MLX5_NVPRT_LIST_TYPE_UC);
812 if (vport->enabled_events & MC_ADDR_CHANGE) {
813 esw_update_vport_addr_list(esw, vport->vport,
814 MLX5_NVPRT_LIST_TYPE_MC);
817 if (vport->enabled_events & PROMISC_CHANGE) {
818 esw_update_vport_rx_mode(esw, vport->vport);
819 if (!IS_ERR_OR_NULL(vport->allmulti_rule))
820 esw_update_vport_mc_promisc(esw, vport->vport);
823 if (vport->enabled_events & (PROMISC_CHANGE | MC_ADDR_CHANGE)) {
824 esw_apply_vport_addr_list(esw, vport->vport,
825 MLX5_NVPRT_LIST_TYPE_MC);
828 esw_debug(esw->dev, "vport[%d] Context Changed: Done\n", vport->vport);
830 arm_vport_context_events_cmd(dev, vport->vport,
831 vport->enabled_events);
834 static void esw_vport_change_handler(struct work_struct *work)
836 struct mlx5_vport *vport =
837 container_of(work, struct mlx5_vport, vport_change_handler);
838 struct mlx5_eswitch *esw = vport->dev->priv.eswitch;
840 mutex_lock(&esw->state_lock);
841 esw_vport_change_handle_locked(vport);
842 mutex_unlock(&esw->state_lock);
845 static int esw_vport_enable_egress_acl(struct mlx5_eswitch *esw,
846 struct mlx5_vport *vport)
848 int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
849 struct mlx5_flow_group *vlan_grp = NULL;
850 struct mlx5_flow_group *drop_grp = NULL;
851 struct mlx5_core_dev *dev = esw->dev;
852 struct mlx5_flow_namespace *root_ns;
853 struct mlx5_flow_table *acl;
854 void *match_criteria;
856 /* The egress acl table contains 2 rules:
857 * 1)Allow traffic with vlan_tag=vst_vlan_id
858 * 2)Drop all other traffic.
863 if (!MLX5_CAP_ESW_EGRESS_ACL(dev, ft_support))
866 if (!IS_ERR_OR_NULL(vport->egress.acl))
869 esw_debug(dev, "Create vport[%d] egress ACL log_max_size(%d)\n",
870 vport->vport, MLX5_CAP_ESW_EGRESS_ACL(dev, log_max_ft_size));
872 root_ns = mlx5_get_flow_vport_acl_namespace(dev, MLX5_FLOW_NAMESPACE_ESW_EGRESS,
875 esw_warn(dev, "Failed to get E-Switch egress flow namespace for vport (%d)\n", vport->vport);
879 flow_group_in = kvzalloc(inlen, GFP_KERNEL);
883 acl = mlx5_create_vport_flow_table(root_ns, 0, table_size, 0, vport->vport);
886 esw_warn(dev, "Failed to create E-Switch vport[%d] egress flow Table, err(%d)\n",
891 MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
892 match_criteria = MLX5_ADDR_OF(create_flow_group_in, flow_group_in, match_criteria);
893 MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.cvlan_tag);
894 MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.first_vid);
895 MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 0);
896 MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 0);
898 vlan_grp = mlx5_create_flow_group(acl, flow_group_in);
899 if (IS_ERR(vlan_grp)) {
900 err = PTR_ERR(vlan_grp);
901 esw_warn(dev, "Failed to create E-Switch vport[%d] egress allowed vlans flow group, err(%d)\n",
906 memset(flow_group_in, 0, inlen);
907 MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 1);
908 MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 1);
909 drop_grp = mlx5_create_flow_group(acl, flow_group_in);
910 if (IS_ERR(drop_grp)) {
911 err = PTR_ERR(drop_grp);
912 esw_warn(dev, "Failed to create E-Switch vport[%d] egress drop flow group, err(%d)\n",
917 vport->egress.acl = acl;
918 vport->egress.drop_grp = drop_grp;
919 vport->egress.allowed_vlans_grp = vlan_grp;
921 kvfree(flow_group_in);
922 if (err && !IS_ERR_OR_NULL(vlan_grp))
923 mlx5_destroy_flow_group(vlan_grp);
924 if (err && !IS_ERR_OR_NULL(acl))
925 mlx5_destroy_flow_table(acl);
929 static void esw_vport_cleanup_egress_rules(struct mlx5_eswitch *esw,
930 struct mlx5_vport *vport)
932 if (!IS_ERR_OR_NULL(vport->egress.allowed_vlan))
933 mlx5_del_flow_rules(vport->egress.allowed_vlan);
935 if (!IS_ERR_OR_NULL(vport->egress.drop_rule))
936 mlx5_del_flow_rules(vport->egress.drop_rule);
938 vport->egress.allowed_vlan = NULL;
939 vport->egress.drop_rule = NULL;
942 static void esw_vport_disable_egress_acl(struct mlx5_eswitch *esw,
943 struct mlx5_vport *vport)
945 if (IS_ERR_OR_NULL(vport->egress.acl))
948 esw_debug(esw->dev, "Destroy vport[%d] E-Switch egress ACL\n", vport->vport);
950 esw_vport_cleanup_egress_rules(esw, vport);
951 mlx5_destroy_flow_group(vport->egress.allowed_vlans_grp);
952 mlx5_destroy_flow_group(vport->egress.drop_grp);
953 mlx5_destroy_flow_table(vport->egress.acl);
954 vport->egress.allowed_vlans_grp = NULL;
955 vport->egress.drop_grp = NULL;
956 vport->egress.acl = NULL;
959 static int esw_vport_enable_ingress_acl(struct mlx5_eswitch *esw,
960 struct mlx5_vport *vport)
962 int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
963 struct mlx5_core_dev *dev = esw->dev;
964 struct mlx5_flow_namespace *root_ns;
965 struct mlx5_flow_table *acl;
966 struct mlx5_flow_group *g;
967 void *match_criteria;
969 /* The ingress acl table contains 4 groups
970 * (2 active rules at the same time -
971 * 1 allow rule from one of the first 3 groups.
972 * 1 drop rule from the last group):
973 * 1)Allow untagged traffic with smac=original mac.
974 * 2)Allow untagged traffic.
975 * 3)Allow traffic with smac=original mac.
976 * 4)Drop all other traffic.
981 if (!MLX5_CAP_ESW_INGRESS_ACL(dev, ft_support))
984 if (!IS_ERR_OR_NULL(vport->ingress.acl))
987 esw_debug(dev, "Create vport[%d] ingress ACL log_max_size(%d)\n",
988 vport->vport, MLX5_CAP_ESW_INGRESS_ACL(dev, log_max_ft_size));
990 root_ns = mlx5_get_flow_vport_acl_namespace(dev, MLX5_FLOW_NAMESPACE_ESW_INGRESS,
993 esw_warn(dev, "Failed to get E-Switch ingress flow namespace for vport (%d)\n", vport->vport);
997 flow_group_in = kvzalloc(inlen, GFP_KERNEL);
1001 acl = mlx5_create_vport_flow_table(root_ns, 0, table_size, 0, vport->vport);
1004 esw_warn(dev, "Failed to create E-Switch vport[%d] ingress flow Table, err(%d)\n",
1008 vport->ingress.acl = acl;
1010 match_criteria = MLX5_ADDR_OF(create_flow_group_in, flow_group_in, match_criteria);
1012 MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
1013 MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.cvlan_tag);
1014 MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.smac_47_16);
1015 MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.smac_15_0);
1016 MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 0);
1017 MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 0);
1019 g = mlx5_create_flow_group(acl, flow_group_in);
1022 esw_warn(dev, "Failed to create E-Switch vport[%d] ingress untagged spoofchk flow group, err(%d)\n",
1026 vport->ingress.allow_untagged_spoofchk_grp = g;
1028 memset(flow_group_in, 0, inlen);
1029 MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
1030 MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.cvlan_tag);
1031 MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 1);
1032 MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 1);
1034 g = mlx5_create_flow_group(acl, flow_group_in);
1037 esw_warn(dev, "Failed to create E-Switch vport[%d] ingress untagged flow group, err(%d)\n",
1041 vport->ingress.allow_untagged_only_grp = g;
1043 memset(flow_group_in, 0, inlen);
1044 MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
1045 MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.smac_47_16);
1046 MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.smac_15_0);
1047 MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 2);
1048 MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 2);
1050 g = mlx5_create_flow_group(acl, flow_group_in);
1053 esw_warn(dev, "Failed to create E-Switch vport[%d] ingress spoofchk flow group, err(%d)\n",
1057 vport->ingress.allow_spoofchk_only_grp = g;
1059 memset(flow_group_in, 0, inlen);
1060 MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 3);
1061 MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 3);
1063 g = mlx5_create_flow_group(acl, flow_group_in);
1066 esw_warn(dev, "Failed to create E-Switch vport[%d] ingress drop flow group, err(%d)\n",
1070 vport->ingress.drop_grp = g;
1074 if (!IS_ERR_OR_NULL(vport->ingress.allow_spoofchk_only_grp))
1075 mlx5_destroy_flow_group(
1076 vport->ingress.allow_spoofchk_only_grp);
1077 if (!IS_ERR_OR_NULL(vport->ingress.allow_untagged_only_grp))
1078 mlx5_destroy_flow_group(
1079 vport->ingress.allow_untagged_only_grp);
1080 if (!IS_ERR_OR_NULL(vport->ingress.allow_untagged_spoofchk_grp))
1081 mlx5_destroy_flow_group(
1082 vport->ingress.allow_untagged_spoofchk_grp);
1083 if (!IS_ERR_OR_NULL(vport->ingress.acl))
1084 mlx5_destroy_flow_table(vport->ingress.acl);
1087 kvfree(flow_group_in);
1091 static void esw_vport_cleanup_ingress_rules(struct mlx5_eswitch *esw,
1092 struct mlx5_vport *vport)
1094 if (!IS_ERR_OR_NULL(vport->ingress.drop_rule))
1095 mlx5_del_flow_rules(vport->ingress.drop_rule);
1097 if (!IS_ERR_OR_NULL(vport->ingress.allow_rule))
1098 mlx5_del_flow_rules(vport->ingress.allow_rule);
1100 vport->ingress.drop_rule = NULL;
1101 vport->ingress.allow_rule = NULL;
1104 static void esw_vport_disable_ingress_acl(struct mlx5_eswitch *esw,
1105 struct mlx5_vport *vport)
1107 if (IS_ERR_OR_NULL(vport->ingress.acl))
1110 esw_debug(esw->dev, "Destroy vport[%d] E-Switch ingress ACL\n", vport->vport);
1112 esw_vport_cleanup_ingress_rules(esw, vport);
1113 mlx5_destroy_flow_group(vport->ingress.allow_spoofchk_only_grp);
1114 mlx5_destroy_flow_group(vport->ingress.allow_untagged_only_grp);
1115 mlx5_destroy_flow_group(vport->ingress.allow_untagged_spoofchk_grp);
1116 mlx5_destroy_flow_group(vport->ingress.drop_grp);
1117 mlx5_destroy_flow_table(vport->ingress.acl);
1118 vport->ingress.acl = NULL;
1119 vport->ingress.drop_grp = NULL;
1120 vport->ingress.allow_spoofchk_only_grp = NULL;
1121 vport->ingress.allow_untagged_only_grp = NULL;
1122 vport->ingress.allow_untagged_spoofchk_grp = NULL;
1125 static int esw_vport_ingress_config(struct mlx5_eswitch *esw,
1126 struct mlx5_vport *vport)
1128 struct mlx5_fc *counter = vport->ingress.drop_counter;
1129 struct mlx5_flow_destination drop_ctr_dst = {0};
1130 struct mlx5_flow_destination *dst = NULL;
1131 struct mlx5_flow_act flow_act = {0};
1132 struct mlx5_flow_spec *spec;
1137 if (vport->info.spoofchk && !is_valid_ether_addr(vport->info.mac)) {
1138 mlx5_core_warn(esw->dev,
1139 "vport[%d] configure ingress rules failed, illegal mac with spoofchk\n",
1144 esw_vport_cleanup_ingress_rules(esw, vport);
1146 if (!vport->info.vlan && !vport->info.qos && !vport->info.spoofchk) {
1147 esw_vport_disable_ingress_acl(esw, vport);
1151 err = esw_vport_enable_ingress_acl(esw, vport);
1153 mlx5_core_warn(esw->dev,
1154 "failed to enable ingress acl (%d) on vport[%d]\n",
1160 "vport[%d] configure ingress rules, vlan(%d) qos(%d)\n",
1161 vport->vport, vport->info.vlan, vport->info.qos);
1163 spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
1169 if (vport->info.vlan || vport->info.qos)
1170 MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.cvlan_tag);
1172 if (vport->info.spoofchk) {
1173 MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.smac_47_16);
1174 MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.smac_15_0);
1175 smac_v = MLX5_ADDR_OF(fte_match_param,
1177 outer_headers.smac_47_16);
1178 ether_addr_copy(smac_v, vport->info.mac);
1181 spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
1182 flow_act.action = MLX5_FLOW_CONTEXT_ACTION_ALLOW;
1183 vport->ingress.allow_rule =
1184 mlx5_add_flow_rules(vport->ingress.acl, spec,
1185 &flow_act, NULL, 0);
1186 if (IS_ERR(vport->ingress.allow_rule)) {
1187 err = PTR_ERR(vport->ingress.allow_rule);
1189 "vport[%d] configure ingress allow rule, err(%d)\n",
1191 vport->ingress.allow_rule = NULL;
1195 memset(spec, 0, sizeof(*spec));
1196 flow_act.action = MLX5_FLOW_CONTEXT_ACTION_DROP;
1198 /* Attach drop flow counter */
1200 flow_act.action |= MLX5_FLOW_CONTEXT_ACTION_COUNT;
1201 drop_ctr_dst.type = MLX5_FLOW_DESTINATION_TYPE_COUNTER;
1202 drop_ctr_dst.counter_id = mlx5_fc_id(counter);
1203 dst = &drop_ctr_dst;
1206 vport->ingress.drop_rule =
1207 mlx5_add_flow_rules(vport->ingress.acl, spec,
1208 &flow_act, dst, dest_num);
1209 if (IS_ERR(vport->ingress.drop_rule)) {
1210 err = PTR_ERR(vport->ingress.drop_rule);
1212 "vport[%d] configure ingress drop rule, err(%d)\n",
1214 vport->ingress.drop_rule = NULL;
1220 esw_vport_cleanup_ingress_rules(esw, vport);
1225 static int esw_vport_egress_config(struct mlx5_eswitch *esw,
1226 struct mlx5_vport *vport)
1228 struct mlx5_fc *counter = vport->egress.drop_counter;
1229 struct mlx5_flow_destination drop_ctr_dst = {0};
1230 struct mlx5_flow_destination *dst = NULL;
1231 struct mlx5_flow_act flow_act = {0};
1232 struct mlx5_flow_spec *spec;
1236 esw_vport_cleanup_egress_rules(esw, vport);
1238 if (!vport->info.vlan && !vport->info.qos) {
1239 esw_vport_disable_egress_acl(esw, vport);
1243 err = esw_vport_enable_egress_acl(esw, vport);
1245 mlx5_core_warn(esw->dev,
1246 "failed to enable egress acl (%d) on vport[%d]\n",
1252 "vport[%d] configure egress rules, vlan(%d) qos(%d)\n",
1253 vport->vport, vport->info.vlan, vport->info.qos);
1255 spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
1261 /* Allowed vlan rule */
1262 MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.cvlan_tag);
1263 MLX5_SET_TO_ONES(fte_match_param, spec->match_value, outer_headers.cvlan_tag);
1264 MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.first_vid);
1265 MLX5_SET(fte_match_param, spec->match_value, outer_headers.first_vid, vport->info.vlan);
1267 spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
1268 flow_act.action = MLX5_FLOW_CONTEXT_ACTION_ALLOW;
1269 vport->egress.allowed_vlan =
1270 mlx5_add_flow_rules(vport->egress.acl, spec,
1271 &flow_act, NULL, 0);
1272 if (IS_ERR(vport->egress.allowed_vlan)) {
1273 err = PTR_ERR(vport->egress.allowed_vlan);
1275 "vport[%d] configure egress allowed vlan rule failed, err(%d)\n",
1277 vport->egress.allowed_vlan = NULL;
1281 /* Drop others rule (star rule) */
1282 memset(spec, 0, sizeof(*spec));
1283 flow_act.action = MLX5_FLOW_CONTEXT_ACTION_DROP;
1285 /* Attach egress drop flow counter */
1287 flow_act.action |= MLX5_FLOW_CONTEXT_ACTION_COUNT;
1288 drop_ctr_dst.type = MLX5_FLOW_DESTINATION_TYPE_COUNTER;
1289 drop_ctr_dst.counter_id = mlx5_fc_id(counter);
1290 dst = &drop_ctr_dst;
1293 vport->egress.drop_rule =
1294 mlx5_add_flow_rules(vport->egress.acl, spec,
1295 &flow_act, dst, dest_num);
1296 if (IS_ERR(vport->egress.drop_rule)) {
1297 err = PTR_ERR(vport->egress.drop_rule);
1299 "vport[%d] configure egress drop rule failed, err(%d)\n",
1301 vport->egress.drop_rule = NULL;
1308 /* Vport QoS management */
1309 static int esw_create_tsar(struct mlx5_eswitch *esw)
1311 u32 tsar_ctx[MLX5_ST_SZ_DW(scheduling_context)] = {0};
1312 struct mlx5_core_dev *dev = esw->dev;
1315 if (!MLX5_CAP_GEN(dev, qos) || !MLX5_CAP_QOS(dev, esw_scheduling))
1318 if (esw->qos.enabled)
1321 err = mlx5_create_scheduling_element_cmd(dev,
1322 SCHEDULING_HIERARCHY_E_SWITCH,
1324 &esw->qos.root_tsar_id);
1326 esw_warn(esw->dev, "E-Switch create TSAR failed (%d)\n", err);
1330 esw->qos.enabled = true;
1334 static void esw_destroy_tsar(struct mlx5_eswitch *esw)
1338 if (!esw->qos.enabled)
1341 err = mlx5_destroy_scheduling_element_cmd(esw->dev,
1342 SCHEDULING_HIERARCHY_E_SWITCH,
1343 esw->qos.root_tsar_id);
1345 esw_warn(esw->dev, "E-Switch destroy TSAR failed (%d)\n", err);
1347 esw->qos.enabled = false;
1350 static int esw_vport_enable_qos(struct mlx5_eswitch *esw, int vport_num,
1351 u32 initial_max_rate, u32 initial_bw_share)
1353 u32 sched_ctx[MLX5_ST_SZ_DW(scheduling_context)] = {0};
1354 struct mlx5_vport *vport = &esw->vports[vport_num];
1355 struct mlx5_core_dev *dev = esw->dev;
1359 if (!esw->qos.enabled || !MLX5_CAP_GEN(dev, qos) ||
1360 !MLX5_CAP_QOS(dev, esw_scheduling))
1363 if (vport->qos.enabled)
1366 MLX5_SET(scheduling_context, sched_ctx, element_type,
1367 SCHEDULING_CONTEXT_ELEMENT_TYPE_VPORT);
1368 vport_elem = MLX5_ADDR_OF(scheduling_context, sched_ctx,
1369 element_attributes);
1370 MLX5_SET(vport_element, vport_elem, vport_number, vport_num);
1371 MLX5_SET(scheduling_context, sched_ctx, parent_element_id,
1372 esw->qos.root_tsar_id);
1373 MLX5_SET(scheduling_context, sched_ctx, max_average_bw,
1375 MLX5_SET(scheduling_context, sched_ctx, bw_share, initial_bw_share);
1377 err = mlx5_create_scheduling_element_cmd(dev,
1378 SCHEDULING_HIERARCHY_E_SWITCH,
1380 &vport->qos.esw_tsar_ix);
1382 esw_warn(esw->dev, "E-Switch create TSAR vport element failed (vport=%d,err=%d)\n",
1387 vport->qos.enabled = true;
1391 static void esw_vport_disable_qos(struct mlx5_eswitch *esw, int vport_num)
1393 struct mlx5_vport *vport = &esw->vports[vport_num];
1396 if (!vport->qos.enabled)
1399 err = mlx5_destroy_scheduling_element_cmd(esw->dev,
1400 SCHEDULING_HIERARCHY_E_SWITCH,
1401 vport->qos.esw_tsar_ix);
1403 esw_warn(esw->dev, "E-Switch destroy TSAR vport element failed (vport=%d,err=%d)\n",
1406 vport->qos.enabled = false;
1409 static int esw_vport_qos_config(struct mlx5_eswitch *esw, int vport_num,
1410 u32 max_rate, u32 bw_share)
1412 u32 sched_ctx[MLX5_ST_SZ_DW(scheduling_context)] = {0};
1413 struct mlx5_vport *vport = &esw->vports[vport_num];
1414 struct mlx5_core_dev *dev = esw->dev;
1419 if (!MLX5_CAP_GEN(dev, qos) || !MLX5_CAP_QOS(dev, esw_scheduling))
1422 if (!vport->qos.enabled)
1425 MLX5_SET(scheduling_context, sched_ctx, element_type,
1426 SCHEDULING_CONTEXT_ELEMENT_TYPE_VPORT);
1427 vport_elem = MLX5_ADDR_OF(scheduling_context, sched_ctx,
1428 element_attributes);
1429 MLX5_SET(vport_element, vport_elem, vport_number, vport_num);
1430 MLX5_SET(scheduling_context, sched_ctx, parent_element_id,
1431 esw->qos.root_tsar_id);
1432 MLX5_SET(scheduling_context, sched_ctx, max_average_bw,
1434 MLX5_SET(scheduling_context, sched_ctx, bw_share, bw_share);
1435 bitmask |= MODIFY_SCHEDULING_ELEMENT_IN_MODIFY_BITMASK_MAX_AVERAGE_BW;
1436 bitmask |= MODIFY_SCHEDULING_ELEMENT_IN_MODIFY_BITMASK_BW_SHARE;
1438 err = mlx5_modify_scheduling_element_cmd(dev,
1439 SCHEDULING_HIERARCHY_E_SWITCH,
1441 vport->qos.esw_tsar_ix,
1444 esw_warn(esw->dev, "E-Switch modify TSAR vport element failed (vport=%d,err=%d)\n",
1452 static void node_guid_gen_from_mac(u64 *node_guid, u8 mac[ETH_ALEN])
1454 ((u8 *)node_guid)[7] = mac[0];
1455 ((u8 *)node_guid)[6] = mac[1];
1456 ((u8 *)node_guid)[5] = mac[2];
1457 ((u8 *)node_guid)[4] = 0xff;
1458 ((u8 *)node_guid)[3] = 0xfe;
1459 ((u8 *)node_guid)[2] = mac[3];
1460 ((u8 *)node_guid)[1] = mac[4];
1461 ((u8 *)node_guid)[0] = mac[5];
1464 static void esw_apply_vport_conf(struct mlx5_eswitch *esw,
1465 struct mlx5_vport *vport)
1467 int vport_num = vport->vport;
1472 mlx5_modify_vport_admin_state(esw->dev,
1473 MLX5_VPORT_STATE_OP_MOD_ESW_VPORT,
1475 vport->info.link_state);
1476 mlx5_modify_nic_vport_mac_address(esw->dev, vport_num, vport->info.mac);
1477 mlx5_modify_nic_vport_node_guid(esw->dev, vport_num, vport->info.node_guid);
1478 modify_esw_vport_cvlan(esw->dev, vport_num, vport->info.vlan, vport->info.qos,
1479 (vport->info.vlan || vport->info.qos));
1481 /* Only legacy mode needs ACLs */
1482 if (esw->mode == SRIOV_LEGACY) {
1483 esw_vport_ingress_config(esw, vport);
1484 esw_vport_egress_config(esw, vport);
1488 static void esw_vport_create_drop_counters(struct mlx5_vport *vport)
1490 struct mlx5_core_dev *dev = vport->dev;
1492 if (MLX5_CAP_ESW_INGRESS_ACL(dev, flow_counter)) {
1493 vport->ingress.drop_counter = mlx5_fc_create(dev, false);
1494 if (IS_ERR(vport->ingress.drop_counter)) {
1496 "vport[%d] configure ingress drop rule counter failed\n",
1498 vport->ingress.drop_counter = NULL;
1502 if (MLX5_CAP_ESW_EGRESS_ACL(dev, flow_counter)) {
1503 vport->egress.drop_counter = mlx5_fc_create(dev, false);
1504 if (IS_ERR(vport->egress.drop_counter)) {
1506 "vport[%d] configure egress drop rule counter failed\n",
1508 vport->egress.drop_counter = NULL;
1513 static void esw_vport_destroy_drop_counters(struct mlx5_vport *vport)
1515 struct mlx5_core_dev *dev = vport->dev;
1517 if (vport->ingress.drop_counter)
1518 mlx5_fc_destroy(dev, vport->ingress.drop_counter);
1519 if (vport->egress.drop_counter)
1520 mlx5_fc_destroy(dev, vport->egress.drop_counter);
1523 static void esw_enable_vport(struct mlx5_eswitch *esw, int vport_num,
1526 struct mlx5_vport *vport = &esw->vports[vport_num];
1528 mutex_lock(&esw->state_lock);
1529 WARN_ON(vport->enabled);
1531 esw_debug(esw->dev, "Enabling VPORT(%d)\n", vport_num);
1533 /* Create steering drop counters for ingress and egress ACLs */
1534 if (vport_num && esw->mode == SRIOV_LEGACY)
1535 esw_vport_create_drop_counters(vport);
1537 /* Restore old vport configuration */
1538 esw_apply_vport_conf(esw, vport);
1540 /* Attach vport to the eswitch rate limiter */
1541 if (esw_vport_enable_qos(esw, vport_num, vport->info.max_rate,
1542 vport->qos.bw_share))
1543 esw_warn(esw->dev, "Failed to attach vport %d to eswitch rate limiter", vport_num);
1545 /* Sync with current vport context */
1546 vport->enabled_events = enable_events;
1547 vport->enabled = true;
1549 /* only PF is trusted by default */
1551 vport->info.trusted = true;
1553 esw_vport_change_handle_locked(vport);
1555 esw->enabled_vports++;
1556 esw_debug(esw->dev, "Enabled VPORT(%d)\n", vport_num);
1557 mutex_unlock(&esw->state_lock);
1560 static void esw_disable_vport(struct mlx5_eswitch *esw, int vport_num)
1562 struct mlx5_vport *vport = &esw->vports[vport_num];
1564 if (!vport->enabled)
1567 esw_debug(esw->dev, "Disabling vport(%d)\n", vport_num);
1568 /* Mark this vport as disabled to discard new events */
1569 vport->enabled = false;
1571 /* Wait for current already scheduled events to complete */
1572 flush_workqueue(esw->work_queue);
1573 /* Disable events from this vport */
1574 arm_vport_context_events_cmd(esw->dev, vport->vport, 0);
1575 mutex_lock(&esw->state_lock);
1576 /* We don't assume VFs will cleanup after themselves.
1577 * Calling vport change handler while vport is disabled will cleanup
1578 * the vport resources.
1580 esw_vport_change_handle_locked(vport);
1581 vport->enabled_events = 0;
1582 esw_vport_disable_qos(esw, vport_num);
1583 if (vport_num && esw->mode == SRIOV_LEGACY) {
1584 mlx5_modify_vport_admin_state(esw->dev,
1585 MLX5_VPORT_STATE_OP_MOD_ESW_VPORT,
1587 MLX5_VPORT_ADMIN_STATE_DOWN);
1588 esw_vport_disable_egress_acl(esw, vport);
1589 esw_vport_disable_ingress_acl(esw, vport);
1590 esw_vport_destroy_drop_counters(vport);
1592 esw->enabled_vports--;
1593 mutex_unlock(&esw->state_lock);
1596 static int eswitch_vport_event(struct notifier_block *nb,
1597 unsigned long type, void *data)
1599 struct mlx5_eswitch *esw = mlx5_nb_cof(nb, struct mlx5_eswitch, nb);
1600 struct mlx5_eqe *eqe = data;
1601 struct mlx5_vport *vport;
1604 vport_num = be16_to_cpu(eqe->data.vport_change.vport_num);
1605 vport = &esw->vports[vport_num];
1607 queue_work(esw->work_queue, &vport->vport_change_handler);
1612 /* Public E-Switch API */
1613 #define ESW_ALLOWED(esw) ((esw) && MLX5_ESWITCH_MANAGER((esw)->dev))
1615 int mlx5_eswitch_enable_sriov(struct mlx5_eswitch *esw, int nvfs, int mode)
1618 int i, enabled_events;
1620 if (!ESW_ALLOWED(esw) ||
1621 !MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev, ft_support)) {
1622 esw_warn(esw->dev, "E-Switch FDB is not supported, aborting ...\n");
1626 if (!MLX5_CAP_ESW_INGRESS_ACL(esw->dev, ft_support))
1627 esw_warn(esw->dev, "E-Switch ingress ACL is not supported by FW\n");
1629 if (!MLX5_CAP_ESW_EGRESS_ACL(esw->dev, ft_support))
1630 esw_warn(esw->dev, "E-Switch engress ACL is not supported by FW\n");
1632 esw_info(esw->dev, "E-Switch enable SRIOV: nvfs(%d) mode (%d)\n", nvfs, mode);
1635 if (mode == SRIOV_LEGACY) {
1636 err = esw_create_legacy_fdb_table(esw);
1638 mlx5_reload_interface(esw->dev, MLX5_INTERFACE_PROTOCOL_IB);
1640 err = esw_offloads_init(esw, nvfs + 1);
1646 err = esw_create_tsar(esw);
1648 esw_warn(esw->dev, "Failed to create eswitch TSAR");
1650 /* Don't enable vport events when in SRIOV_OFFLOADS mode, since:
1651 * 1. L2 table (MPFS) is programmed by PF/VF representors netdevs set_rx_mode
1652 * 2. FDB/Eswitch is programmed by user space tools
1654 enabled_events = (mode == SRIOV_LEGACY) ? SRIOV_VPORT_EVENTS : 0;
1655 for (i = 0; i <= nvfs; i++)
1656 esw_enable_vport(esw, i, enabled_events);
1658 if (mode == SRIOV_LEGACY) {
1659 MLX5_NB_INIT(&esw->nb, eswitch_vport_event, NIC_VPORT_CHANGE);
1660 mlx5_eq_notifier_register(esw->dev, &esw->nb);
1663 esw_info(esw->dev, "SRIOV enabled: active vports(%d)\n",
1664 esw->enabled_vports);
1668 esw->mode = SRIOV_NONE;
1670 if (mode == SRIOV_OFFLOADS)
1671 mlx5_reload_interface(esw->dev, MLX5_INTERFACE_PROTOCOL_IB);
1676 void mlx5_eswitch_disable_sriov(struct mlx5_eswitch *esw)
1678 struct esw_mc_addr *mc_promisc;
1683 if (!ESW_ALLOWED(esw) || esw->mode == SRIOV_NONE)
1686 esw_info(esw->dev, "disable SRIOV: active vports(%d) mode(%d)\n",
1687 esw->enabled_vports, esw->mode);
1689 mc_promisc = &esw->mc_promisc;
1690 nvports = esw->enabled_vports;
1692 if (esw->mode == SRIOV_LEGACY)
1693 mlx5_eq_notifier_unregister(esw->dev, &esw->nb);
1695 for (i = 0; i < esw->total_vports; i++)
1696 esw_disable_vport(esw, i);
1698 if (mc_promisc && mc_promisc->uplink_rule)
1699 mlx5_del_flow_rules(mc_promisc->uplink_rule);
1701 esw_destroy_tsar(esw);
1703 if (esw->mode == SRIOV_LEGACY)
1704 esw_destroy_legacy_fdb_table(esw);
1705 else if (esw->mode == SRIOV_OFFLOADS)
1706 esw_offloads_cleanup(esw, nvports);
1708 old_mode = esw->mode;
1709 esw->mode = SRIOV_NONE;
1711 if (old_mode == SRIOV_OFFLOADS)
1712 mlx5_reload_interface(esw->dev, MLX5_INTERFACE_PROTOCOL_IB);
1715 int mlx5_eswitch_init(struct mlx5_core_dev *dev)
1717 int total_vports = MLX5_TOTAL_VPORTS(dev);
1718 struct mlx5_eswitch *esw;
1722 if (!MLX5_ESWITCH_MANAGER(dev))
1726 "Total vports %d, per vport: max uc(%d) max mc(%d)\n",
1728 MLX5_MAX_UC_PER_VPORT(dev),
1729 MLX5_MAX_MC_PER_VPORT(dev));
1731 esw = kzalloc(sizeof(*esw), GFP_KERNEL);
1737 esw->work_queue = create_singlethread_workqueue("mlx5_esw_wq");
1738 if (!esw->work_queue) {
1743 esw->vports = kcalloc(total_vports, sizeof(struct mlx5_vport),
1750 err = esw_offloads_init_reps(esw);
1754 hash_init(esw->offloads.encap_tbl);
1755 hash_init(esw->offloads.mod_hdr_tbl);
1756 mutex_init(&esw->state_lock);
1758 for (vport_num = 0; vport_num < total_vports; vport_num++) {
1759 struct mlx5_vport *vport = &esw->vports[vport_num];
1761 vport->vport = vport_num;
1762 vport->info.link_state = MLX5_VPORT_ADMIN_STATE_AUTO;
1764 INIT_WORK(&vport->vport_change_handler,
1765 esw_vport_change_handler);
1768 esw->total_vports = total_vports;
1769 esw->enabled_vports = 0;
1770 esw->mode = SRIOV_NONE;
1771 esw->offloads.inline_mode = MLX5_INLINE_MODE_NONE;
1772 if (MLX5_CAP_ESW_FLOWTABLE_FDB(dev, reformat) &&
1773 MLX5_CAP_ESW_FLOWTABLE_FDB(dev, decap))
1774 esw->offloads.encap = DEVLINK_ESWITCH_ENCAP_MODE_BASIC;
1776 esw->offloads.encap = DEVLINK_ESWITCH_ENCAP_MODE_NONE;
1778 dev->priv.eswitch = esw;
1781 if (esw->work_queue)
1782 destroy_workqueue(esw->work_queue);
1783 esw_offloads_cleanup_reps(esw);
1789 void mlx5_eswitch_cleanup(struct mlx5_eswitch *esw)
1791 if (!esw || !MLX5_ESWITCH_MANAGER(esw->dev))
1794 esw_info(esw->dev, "cleanup\n");
1796 esw->dev->priv.eswitch = NULL;
1797 destroy_workqueue(esw->work_queue);
1798 esw_offloads_cleanup_reps(esw);
1803 /* Vport Administration */
1804 #define LEGAL_VPORT(esw, vport) (vport >= 0 && vport < esw->total_vports)
1806 int mlx5_eswitch_set_vport_mac(struct mlx5_eswitch *esw,
1807 int vport, u8 mac[ETH_ALEN])
1809 struct mlx5_vport *evport;
1813 if (!MLX5_CAP_GEN(esw->dev, vport_group_manager))
1815 if (!LEGAL_VPORT(esw, vport) || is_multicast_ether_addr(mac))
1818 mutex_lock(&esw->state_lock);
1819 evport = &esw->vports[vport];
1821 if (evport->info.spoofchk && !is_valid_ether_addr(mac)) {
1822 mlx5_core_warn(esw->dev,
1823 "MAC invalidation is not allowed when spoofchk is on, vport(%d)\n",
1829 err = mlx5_modify_nic_vport_mac_address(esw->dev, vport, mac);
1831 mlx5_core_warn(esw->dev,
1832 "Failed to mlx5_modify_nic_vport_mac vport(%d) err=(%d)\n",
1837 node_guid_gen_from_mac(&node_guid, mac);
1838 err = mlx5_modify_nic_vport_node_guid(esw->dev, vport, node_guid);
1840 mlx5_core_warn(esw->dev,
1841 "Failed to set vport %d node guid, err = %d. RDMA_CM will not function properly for this VF.\n",
1844 ether_addr_copy(evport->info.mac, mac);
1845 evport->info.node_guid = node_guid;
1846 if (evport->enabled && esw->mode == SRIOV_LEGACY)
1847 err = esw_vport_ingress_config(esw, evport);
1850 mutex_unlock(&esw->state_lock);
1854 int mlx5_eswitch_set_vport_state(struct mlx5_eswitch *esw,
1855 int vport, int link_state)
1857 struct mlx5_vport *evport;
1860 if (!ESW_ALLOWED(esw))
1862 if (!LEGAL_VPORT(esw, vport))
1865 mutex_lock(&esw->state_lock);
1866 evport = &esw->vports[vport];
1868 err = mlx5_modify_vport_admin_state(esw->dev,
1869 MLX5_VPORT_STATE_OP_MOD_ESW_VPORT,
1872 mlx5_core_warn(esw->dev,
1873 "Failed to set vport %d link state, err = %d",
1878 evport->info.link_state = link_state;
1881 mutex_unlock(&esw->state_lock);
1885 int mlx5_eswitch_get_vport_config(struct mlx5_eswitch *esw,
1886 int vport, struct ifla_vf_info *ivi)
1888 struct mlx5_vport *evport;
1890 if (!MLX5_CAP_GEN(esw->dev, vport_group_manager))
1892 if (!LEGAL_VPORT(esw, vport))
1895 evport = &esw->vports[vport];
1897 memset(ivi, 0, sizeof(*ivi));
1898 ivi->vf = vport - 1;
1900 mutex_lock(&esw->state_lock);
1901 ether_addr_copy(ivi->mac, evport->info.mac);
1902 ivi->linkstate = evport->info.link_state;
1903 ivi->vlan = evport->info.vlan;
1904 ivi->qos = evport->info.qos;
1905 ivi->spoofchk = evport->info.spoofchk;
1906 ivi->trusted = evport->info.trusted;
1907 ivi->min_tx_rate = evport->info.min_rate;
1908 ivi->max_tx_rate = evport->info.max_rate;
1909 mutex_unlock(&esw->state_lock);
1914 int __mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch *esw,
1915 int vport, u16 vlan, u8 qos, u8 set_flags)
1917 struct mlx5_vport *evport;
1920 if (!ESW_ALLOWED(esw))
1922 if (!LEGAL_VPORT(esw, vport) || (vlan > 4095) || (qos > 7))
1925 mutex_lock(&esw->state_lock);
1926 evport = &esw->vports[vport];
1928 err = modify_esw_vport_cvlan(esw->dev, vport, vlan, qos, set_flags);
1932 evport->info.vlan = vlan;
1933 evport->info.qos = qos;
1934 if (evport->enabled && esw->mode == SRIOV_LEGACY) {
1935 err = esw_vport_ingress_config(esw, evport);
1938 err = esw_vport_egress_config(esw, evport);
1942 mutex_unlock(&esw->state_lock);
1946 int mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch *esw,
1947 int vport, u16 vlan, u8 qos)
1952 set_flags = SET_VLAN_STRIP | SET_VLAN_INSERT;
1954 return __mlx5_eswitch_set_vport_vlan(esw, vport, vlan, qos, set_flags);
1957 int mlx5_eswitch_set_vport_spoofchk(struct mlx5_eswitch *esw,
1958 int vport, bool spoofchk)
1960 struct mlx5_vport *evport;
1964 if (!ESW_ALLOWED(esw))
1966 if (!LEGAL_VPORT(esw, vport))
1969 mutex_lock(&esw->state_lock);
1970 evport = &esw->vports[vport];
1971 pschk = evport->info.spoofchk;
1972 evport->info.spoofchk = spoofchk;
1973 if (evport->enabled && esw->mode == SRIOV_LEGACY)
1974 err = esw_vport_ingress_config(esw, evport);
1976 evport->info.spoofchk = pschk;
1977 mutex_unlock(&esw->state_lock);
1982 int mlx5_eswitch_set_vport_trust(struct mlx5_eswitch *esw,
1983 int vport, bool setting)
1985 struct mlx5_vport *evport;
1987 if (!ESW_ALLOWED(esw))
1989 if (!LEGAL_VPORT(esw, vport))
1992 mutex_lock(&esw->state_lock);
1993 evport = &esw->vports[vport];
1994 evport->info.trusted = setting;
1995 if (evport->enabled)
1996 esw_vport_change_handle_locked(evport);
1997 mutex_unlock(&esw->state_lock);
2002 static u32 calculate_vports_min_rate_divider(struct mlx5_eswitch *esw)
2004 u32 fw_max_bw_share = MLX5_CAP_QOS(esw->dev, max_tsar_bw_share);
2005 struct mlx5_vport *evport;
2006 u32 max_guarantee = 0;
2009 for (i = 0; i < esw->total_vports; i++) {
2010 evport = &esw->vports[i];
2011 if (!evport->enabled || evport->info.min_rate < max_guarantee)
2013 max_guarantee = evport->info.min_rate;
2016 return max_t(u32, max_guarantee / fw_max_bw_share, 1);
2019 static int normalize_vports_min_rate(struct mlx5_eswitch *esw, u32 divider)
2021 u32 fw_max_bw_share = MLX5_CAP_QOS(esw->dev, max_tsar_bw_share);
2022 struct mlx5_vport *evport;
2029 for (i = 0; i < esw->total_vports; i++) {
2030 evport = &esw->vports[i];
2031 if (!evport->enabled)
2033 vport_min_rate = evport->info.min_rate;
2034 vport_max_rate = evport->info.max_rate;
2035 bw_share = MLX5_MIN_BW_SHARE;
2038 bw_share = MLX5_RATE_TO_BW_SHARE(vport_min_rate,
2042 if (bw_share == evport->qos.bw_share)
2045 err = esw_vport_qos_config(esw, i, vport_max_rate,
2048 evport->qos.bw_share = bw_share;
2056 int mlx5_eswitch_set_vport_rate(struct mlx5_eswitch *esw, int vport,
2057 u32 max_rate, u32 min_rate)
2059 u32 fw_max_bw_share = MLX5_CAP_QOS(esw->dev, max_tsar_bw_share);
2060 bool min_rate_supported = MLX5_CAP_QOS(esw->dev, esw_bw_share) &&
2061 fw_max_bw_share >= MLX5_MIN_BW_SHARE;
2062 bool max_rate_supported = MLX5_CAP_QOS(esw->dev, esw_rate_limit);
2063 struct mlx5_vport *evport;
2064 u32 previous_min_rate;
2068 if (!ESW_ALLOWED(esw))
2070 if (!LEGAL_VPORT(esw, vport))
2072 if ((min_rate && !min_rate_supported) || (max_rate && !max_rate_supported))
2075 mutex_lock(&esw->state_lock);
2076 evport = &esw->vports[vport];
2078 if (min_rate == evport->info.min_rate)
2081 previous_min_rate = evport->info.min_rate;
2082 evport->info.min_rate = min_rate;
2083 divider = calculate_vports_min_rate_divider(esw);
2084 err = normalize_vports_min_rate(esw, divider);
2086 evport->info.min_rate = previous_min_rate;
2091 if (max_rate == evport->info.max_rate)
2094 err = esw_vport_qos_config(esw, vport, max_rate, evport->qos.bw_share);
2096 evport->info.max_rate = max_rate;
2099 mutex_unlock(&esw->state_lock);
2103 static int mlx5_eswitch_query_vport_drop_stats(struct mlx5_core_dev *dev,
2105 struct mlx5_vport_drop_stats *stats)
2107 struct mlx5_eswitch *esw = dev->priv.eswitch;
2108 struct mlx5_vport *vport = &esw->vports[vport_idx];
2109 u64 rx_discard_vport_down, tx_discard_vport_down;
2113 if (!vport->enabled || esw->mode != SRIOV_LEGACY)
2116 if (vport->egress.drop_counter)
2117 mlx5_fc_query(dev, vport->egress.drop_counter,
2118 &stats->rx_dropped, &bytes);
2120 if (vport->ingress.drop_counter)
2121 mlx5_fc_query(dev, vport->ingress.drop_counter,
2122 &stats->tx_dropped, &bytes);
2124 if (!MLX5_CAP_GEN(dev, receive_discard_vport_down) &&
2125 !MLX5_CAP_GEN(dev, transmit_discard_vport_down))
2128 err = mlx5_query_vport_down_stats(dev, vport_idx,
2129 &rx_discard_vport_down,
2130 &tx_discard_vport_down);
2134 if (MLX5_CAP_GEN(dev, receive_discard_vport_down))
2135 stats->rx_dropped += rx_discard_vport_down;
2136 if (MLX5_CAP_GEN(dev, transmit_discard_vport_down))
2137 stats->tx_dropped += tx_discard_vport_down;
2142 int mlx5_eswitch_get_vport_stats(struct mlx5_eswitch *esw,
2144 struct ifla_vf_stats *vf_stats)
2146 int outlen = MLX5_ST_SZ_BYTES(query_vport_counter_out);
2147 u32 in[MLX5_ST_SZ_DW(query_vport_counter_in)] = {0};
2148 struct mlx5_vport_drop_stats stats = {0};
2152 if (!ESW_ALLOWED(esw))
2154 if (!LEGAL_VPORT(esw, vport))
2157 out = kvzalloc(outlen, GFP_KERNEL);
2161 MLX5_SET(query_vport_counter_in, in, opcode,
2162 MLX5_CMD_OP_QUERY_VPORT_COUNTER);
2163 MLX5_SET(query_vport_counter_in, in, op_mod, 0);
2164 MLX5_SET(query_vport_counter_in, in, vport_number, vport);
2166 MLX5_SET(query_vport_counter_in, in, other_vport, 1);
2168 memset(out, 0, outlen);
2169 err = mlx5_cmd_exec(esw->dev, in, sizeof(in), out, outlen);
2173 #define MLX5_GET_CTR(p, x) \
2174 MLX5_GET64(query_vport_counter_out, p, x)
2176 memset(vf_stats, 0, sizeof(*vf_stats));
2177 vf_stats->rx_packets =
2178 MLX5_GET_CTR(out, received_eth_unicast.packets) +
2179 MLX5_GET_CTR(out, received_ib_unicast.packets) +
2180 MLX5_GET_CTR(out, received_eth_multicast.packets) +
2181 MLX5_GET_CTR(out, received_ib_multicast.packets) +
2182 MLX5_GET_CTR(out, received_eth_broadcast.packets);
2184 vf_stats->rx_bytes =
2185 MLX5_GET_CTR(out, received_eth_unicast.octets) +
2186 MLX5_GET_CTR(out, received_ib_unicast.octets) +
2187 MLX5_GET_CTR(out, received_eth_multicast.octets) +
2188 MLX5_GET_CTR(out, received_ib_multicast.octets) +
2189 MLX5_GET_CTR(out, received_eth_broadcast.octets);
2191 vf_stats->tx_packets =
2192 MLX5_GET_CTR(out, transmitted_eth_unicast.packets) +
2193 MLX5_GET_CTR(out, transmitted_ib_unicast.packets) +
2194 MLX5_GET_CTR(out, transmitted_eth_multicast.packets) +
2195 MLX5_GET_CTR(out, transmitted_ib_multicast.packets) +
2196 MLX5_GET_CTR(out, transmitted_eth_broadcast.packets);
2198 vf_stats->tx_bytes =
2199 MLX5_GET_CTR(out, transmitted_eth_unicast.octets) +
2200 MLX5_GET_CTR(out, transmitted_ib_unicast.octets) +
2201 MLX5_GET_CTR(out, transmitted_eth_multicast.octets) +
2202 MLX5_GET_CTR(out, transmitted_ib_multicast.octets) +
2203 MLX5_GET_CTR(out, transmitted_eth_broadcast.octets);
2205 vf_stats->multicast =
2206 MLX5_GET_CTR(out, received_eth_multicast.packets) +
2207 MLX5_GET_CTR(out, received_ib_multicast.packets);
2209 vf_stats->broadcast =
2210 MLX5_GET_CTR(out, received_eth_broadcast.packets);
2212 err = mlx5_eswitch_query_vport_drop_stats(esw->dev, vport, &stats);
2215 vf_stats->rx_dropped = stats.rx_dropped;
2216 vf_stats->tx_dropped = stats.tx_dropped;
2223 u8 mlx5_eswitch_mode(struct mlx5_eswitch *esw)
2225 return ESW_ALLOWED(esw) ? esw->mode : SRIOV_NONE;
2227 EXPORT_SYMBOL_GPL(mlx5_eswitch_mode);