1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright 2016 6WIND S.A.
3 * Copyright 2016 Mellanox Technologies, Ltd
6 #include <netinet/in.h>
13 /* ISO C doesn't support unnamed structs/unions, disabling -pedantic. */
15 #pragma GCC diagnostic ignored "-Wpedantic"
17 #include <infiniband/verbs.h>
19 #pragma GCC diagnostic error "-Wpedantic"
22 #include <rte_common.h>
23 #include <rte_ether.h>
24 #include <rte_eth_ctrl.h>
25 #include <rte_ethdev_driver.h>
27 #include <rte_flow_driver.h>
28 #include <rte_malloc.h>
32 #include "mlx5_defs.h"
34 #include "mlx5_glue.h"
35 #include "mlx5_flow.h"
37 /* Dev ops structure defined in mlx5.c */
38 extern const struct eth_dev_ops mlx5_dev_ops;
39 extern const struct eth_dev_ops mlx5_dev_ops_isolate;
41 /** Device flow drivers. */
42 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
43 extern const struct mlx5_flow_driver_ops mlx5_flow_dv_drv_ops;
45 extern const struct mlx5_flow_driver_ops mlx5_flow_tcf_drv_ops;
46 extern const struct mlx5_flow_driver_ops mlx5_flow_verbs_drv_ops;
48 const struct mlx5_flow_driver_ops mlx5_flow_null_drv_ops;
50 const struct mlx5_flow_driver_ops *flow_drv_ops[] = {
51 [MLX5_FLOW_TYPE_MIN] = &mlx5_flow_null_drv_ops,
52 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
53 [MLX5_FLOW_TYPE_DV] = &mlx5_flow_dv_drv_ops,
55 [MLX5_FLOW_TYPE_TCF] = &mlx5_flow_tcf_drv_ops,
56 [MLX5_FLOW_TYPE_VERBS] = &mlx5_flow_verbs_drv_ops,
57 [MLX5_FLOW_TYPE_MAX] = &mlx5_flow_null_drv_ops
62 MLX5_EXPANSION_ROOT_OUTER,
63 MLX5_EXPANSION_ROOT_ETH_VLAN,
64 MLX5_EXPANSION_ROOT_OUTER_ETH_VLAN,
65 MLX5_EXPANSION_OUTER_ETH,
66 MLX5_EXPANSION_OUTER_ETH_VLAN,
67 MLX5_EXPANSION_OUTER_VLAN,
68 MLX5_EXPANSION_OUTER_IPV4,
69 MLX5_EXPANSION_OUTER_IPV4_UDP,
70 MLX5_EXPANSION_OUTER_IPV4_TCP,
71 MLX5_EXPANSION_OUTER_IPV6,
72 MLX5_EXPANSION_OUTER_IPV6_UDP,
73 MLX5_EXPANSION_OUTER_IPV6_TCP,
75 MLX5_EXPANSION_VXLAN_GPE,
79 MLX5_EXPANSION_ETH_VLAN,
82 MLX5_EXPANSION_IPV4_UDP,
83 MLX5_EXPANSION_IPV4_TCP,
85 MLX5_EXPANSION_IPV6_UDP,
86 MLX5_EXPANSION_IPV6_TCP,
89 /** Supported expansion of items. */
90 static const struct rte_flow_expand_node mlx5_support_expansion[] = {
91 [MLX5_EXPANSION_ROOT] = {
92 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH,
95 .type = RTE_FLOW_ITEM_TYPE_END,
97 [MLX5_EXPANSION_ROOT_OUTER] = {
98 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_ETH,
99 MLX5_EXPANSION_OUTER_IPV4,
100 MLX5_EXPANSION_OUTER_IPV6),
101 .type = RTE_FLOW_ITEM_TYPE_END,
103 [MLX5_EXPANSION_ROOT_ETH_VLAN] = {
104 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH_VLAN),
105 .type = RTE_FLOW_ITEM_TYPE_END,
107 [MLX5_EXPANSION_ROOT_OUTER_ETH_VLAN] = {
108 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_ETH_VLAN),
109 .type = RTE_FLOW_ITEM_TYPE_END,
111 [MLX5_EXPANSION_OUTER_ETH] = {
112 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_IPV4,
113 MLX5_EXPANSION_OUTER_IPV6,
114 MLX5_EXPANSION_MPLS),
115 .type = RTE_FLOW_ITEM_TYPE_ETH,
118 [MLX5_EXPANSION_OUTER_ETH_VLAN] = {
119 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_VLAN),
120 .type = RTE_FLOW_ITEM_TYPE_ETH,
123 [MLX5_EXPANSION_OUTER_VLAN] = {
124 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_IPV4,
125 MLX5_EXPANSION_OUTER_IPV6),
126 .type = RTE_FLOW_ITEM_TYPE_VLAN,
128 [MLX5_EXPANSION_OUTER_IPV4] = {
129 .next = RTE_FLOW_EXPAND_RSS_NEXT
130 (MLX5_EXPANSION_OUTER_IPV4_UDP,
131 MLX5_EXPANSION_OUTER_IPV4_TCP,
133 .type = RTE_FLOW_ITEM_TYPE_IPV4,
134 .rss_types = ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 |
135 ETH_RSS_NONFRAG_IPV4_OTHER,
137 [MLX5_EXPANSION_OUTER_IPV4_UDP] = {
138 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_VXLAN,
139 MLX5_EXPANSION_VXLAN_GPE),
140 .type = RTE_FLOW_ITEM_TYPE_UDP,
141 .rss_types = ETH_RSS_NONFRAG_IPV4_UDP,
143 [MLX5_EXPANSION_OUTER_IPV4_TCP] = {
144 .type = RTE_FLOW_ITEM_TYPE_TCP,
145 .rss_types = ETH_RSS_NONFRAG_IPV4_TCP,
147 [MLX5_EXPANSION_OUTER_IPV6] = {
148 .next = RTE_FLOW_EXPAND_RSS_NEXT
149 (MLX5_EXPANSION_OUTER_IPV6_UDP,
150 MLX5_EXPANSION_OUTER_IPV6_TCP),
151 .type = RTE_FLOW_ITEM_TYPE_IPV6,
152 .rss_types = ETH_RSS_IPV6 | ETH_RSS_FRAG_IPV6 |
153 ETH_RSS_NONFRAG_IPV6_OTHER,
155 [MLX5_EXPANSION_OUTER_IPV6_UDP] = {
156 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_VXLAN,
157 MLX5_EXPANSION_VXLAN_GPE),
158 .type = RTE_FLOW_ITEM_TYPE_UDP,
159 .rss_types = ETH_RSS_NONFRAG_IPV6_UDP,
161 [MLX5_EXPANSION_OUTER_IPV6_TCP] = {
162 .type = RTE_FLOW_ITEM_TYPE_TCP,
163 .rss_types = ETH_RSS_NONFRAG_IPV6_TCP,
165 [MLX5_EXPANSION_VXLAN] = {
166 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH),
167 .type = RTE_FLOW_ITEM_TYPE_VXLAN,
169 [MLX5_EXPANSION_VXLAN_GPE] = {
170 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH,
172 MLX5_EXPANSION_IPV6),
173 .type = RTE_FLOW_ITEM_TYPE_VXLAN_GPE,
175 [MLX5_EXPANSION_GRE] = {
176 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4),
177 .type = RTE_FLOW_ITEM_TYPE_GRE,
179 [MLX5_EXPANSION_MPLS] = {
180 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4,
181 MLX5_EXPANSION_IPV6),
182 .type = RTE_FLOW_ITEM_TYPE_MPLS,
184 [MLX5_EXPANSION_ETH] = {
185 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4,
186 MLX5_EXPANSION_IPV6),
187 .type = RTE_FLOW_ITEM_TYPE_ETH,
189 [MLX5_EXPANSION_ETH_VLAN] = {
190 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_VLAN),
191 .type = RTE_FLOW_ITEM_TYPE_ETH,
193 [MLX5_EXPANSION_VLAN] = {
194 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4,
195 MLX5_EXPANSION_IPV6),
196 .type = RTE_FLOW_ITEM_TYPE_VLAN,
198 [MLX5_EXPANSION_IPV4] = {
199 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4_UDP,
200 MLX5_EXPANSION_IPV4_TCP),
201 .type = RTE_FLOW_ITEM_TYPE_IPV4,
202 .rss_types = ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 |
203 ETH_RSS_NONFRAG_IPV4_OTHER,
205 [MLX5_EXPANSION_IPV4_UDP] = {
206 .type = RTE_FLOW_ITEM_TYPE_UDP,
207 .rss_types = ETH_RSS_NONFRAG_IPV4_UDP,
209 [MLX5_EXPANSION_IPV4_TCP] = {
210 .type = RTE_FLOW_ITEM_TYPE_TCP,
211 .rss_types = ETH_RSS_NONFRAG_IPV4_TCP,
213 [MLX5_EXPANSION_IPV6] = {
214 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV6_UDP,
215 MLX5_EXPANSION_IPV6_TCP),
216 .type = RTE_FLOW_ITEM_TYPE_IPV6,
217 .rss_types = ETH_RSS_IPV6 | ETH_RSS_FRAG_IPV6 |
218 ETH_RSS_NONFRAG_IPV6_OTHER,
220 [MLX5_EXPANSION_IPV6_UDP] = {
221 .type = RTE_FLOW_ITEM_TYPE_UDP,
222 .rss_types = ETH_RSS_NONFRAG_IPV6_UDP,
224 [MLX5_EXPANSION_IPV6_TCP] = {
225 .type = RTE_FLOW_ITEM_TYPE_TCP,
226 .rss_types = ETH_RSS_NONFRAG_IPV6_TCP,
230 static const struct rte_flow_ops mlx5_flow_ops = {
231 .validate = mlx5_flow_validate,
232 .create = mlx5_flow_create,
233 .destroy = mlx5_flow_destroy,
234 .flush = mlx5_flow_flush,
235 .isolate = mlx5_flow_isolate,
236 .query = mlx5_flow_query,
239 /* Convert FDIR request to Generic flow. */
241 struct rte_flow_attr attr;
242 struct rte_flow_action actions[2];
243 struct rte_flow_item items[4];
244 struct rte_flow_item_eth l2;
245 struct rte_flow_item_eth l2_mask;
247 struct rte_flow_item_ipv4 ipv4;
248 struct rte_flow_item_ipv6 ipv6;
251 struct rte_flow_item_ipv4 ipv4;
252 struct rte_flow_item_ipv6 ipv6;
255 struct rte_flow_item_udp udp;
256 struct rte_flow_item_tcp tcp;
259 struct rte_flow_item_udp udp;
260 struct rte_flow_item_tcp tcp;
262 struct rte_flow_action_queue queue;
265 /* Map of Verbs to Flow priority with 8 Verbs priorities. */
266 static const uint32_t priority_map_3[][MLX5_PRIORITY_MAP_MAX] = {
267 { 0, 1, 2 }, { 2, 3, 4 }, { 5, 6, 7 },
270 /* Map of Verbs to Flow priority with 16 Verbs priorities. */
271 static const uint32_t priority_map_5[][MLX5_PRIORITY_MAP_MAX] = {
272 { 0, 1, 2 }, { 3, 4, 5 }, { 6, 7, 8 },
273 { 9, 10, 11 }, { 12, 13, 14 },
276 /* Tunnel information. */
277 struct mlx5_flow_tunnel_info {
278 uint32_t tunnel; /**< Tunnel bit (see MLX5_FLOW_*). */
279 uint32_t ptype; /**< Tunnel Ptype (see RTE_PTYPE_*). */
282 static struct mlx5_flow_tunnel_info tunnels_info[] = {
284 .tunnel = MLX5_FLOW_LAYER_VXLAN,
285 .ptype = RTE_PTYPE_TUNNEL_VXLAN | RTE_PTYPE_L4_UDP,
288 .tunnel = MLX5_FLOW_LAYER_VXLAN_GPE,
289 .ptype = RTE_PTYPE_TUNNEL_VXLAN_GPE | RTE_PTYPE_L4_UDP,
292 .tunnel = MLX5_FLOW_LAYER_GRE,
293 .ptype = RTE_PTYPE_TUNNEL_GRE,
296 .tunnel = MLX5_FLOW_LAYER_MPLS | MLX5_FLOW_LAYER_OUTER_L4_UDP,
297 .ptype = RTE_PTYPE_TUNNEL_MPLS_IN_GRE | RTE_PTYPE_L4_UDP,
300 .tunnel = MLX5_FLOW_LAYER_MPLS,
301 .ptype = RTE_PTYPE_TUNNEL_MPLS_IN_GRE,
306 * Discover the maximum number of priority available.
309 * Pointer to the Ethernet device structure.
312 * number of supported flow priority on success, a negative errno
313 * value otherwise and rte_errno is set.
316 mlx5_flow_discover_priorities(struct rte_eth_dev *dev)
319 struct ibv_flow_attr attr;
320 struct ibv_flow_spec_eth eth;
321 struct ibv_flow_spec_action_drop drop;
327 .type = IBV_FLOW_SPEC_ETH,
328 .size = sizeof(struct ibv_flow_spec_eth),
331 .size = sizeof(struct ibv_flow_spec_action_drop),
332 .type = IBV_FLOW_SPEC_ACTION_DROP,
335 struct ibv_flow *flow;
336 struct mlx5_hrxq *drop = mlx5_hrxq_drop_new(dev);
337 uint16_t vprio[] = { 8, 16 };
345 for (i = 0; i != RTE_DIM(vprio); i++) {
346 flow_attr.attr.priority = vprio[i] - 1;
347 flow = mlx5_glue->create_flow(drop->qp, &flow_attr.attr);
350 claim_zero(mlx5_glue->destroy_flow(flow));
355 priority = RTE_DIM(priority_map_3);
358 priority = RTE_DIM(priority_map_5);
363 "port %u verbs maximum priority: %d expected 8/16",
364 dev->data->port_id, vprio[i]);
367 mlx5_hrxq_drop_release(dev);
368 DRV_LOG(INFO, "port %u flow maximum priority: %d",
369 dev->data->port_id, priority);
374 * Adjust flow priority based on the highest layer and the request priority.
377 * Pointer to the Ethernet device structure.
378 * @param[in] priority
379 * The rule base priority.
380 * @param[in] subpriority
381 * The priority based on the items.
386 uint32_t mlx5_flow_adjust_priority(struct rte_eth_dev *dev, int32_t priority,
387 uint32_t subpriority)
390 struct priv *priv = dev->data->dev_private;
392 switch (priv->config.flow_prio) {
393 case RTE_DIM(priority_map_3):
394 res = priority_map_3[priority][subpriority];
396 case RTE_DIM(priority_map_5):
397 res = priority_map_5[priority][subpriority];
404 * Verify the @p item specifications (spec, last, mask) are compatible with the
408 * Item specification.
410 * @p item->mask or flow default bit-masks.
411 * @param[in] nic_mask
412 * Bit-masks covering supported fields by the NIC to compare with user mask.
414 * Bit-masks size in bytes.
416 * Pointer to error structure.
419 * 0 on success, a negative errno value otherwise and rte_errno is set.
422 mlx5_flow_item_acceptable(const struct rte_flow_item *item,
424 const uint8_t *nic_mask,
426 struct rte_flow_error *error)
431 for (i = 0; i < size; ++i)
432 if ((nic_mask[i] | mask[i]) != nic_mask[i])
433 return rte_flow_error_set(error, ENOTSUP,
434 RTE_FLOW_ERROR_TYPE_ITEM,
436 "mask enables non supported"
438 if (!item->spec && (item->mask || item->last))
439 return rte_flow_error_set(error, EINVAL,
440 RTE_FLOW_ERROR_TYPE_ITEM, item,
441 "mask/last without a spec is not"
443 if (item->spec && item->last) {
449 for (i = 0; i < size; ++i) {
450 spec[i] = ((const uint8_t *)item->spec)[i] & mask[i];
451 last[i] = ((const uint8_t *)item->last)[i] & mask[i];
453 ret = memcmp(spec, last, size);
455 return rte_flow_error_set(error, EINVAL,
456 RTE_FLOW_ERROR_TYPE_ITEM,
458 "range is not valid");
464 * Adjust the hash fields according to the @p flow information.
466 * @param[in] dev_flow.
467 * Pointer to the mlx5_flow.
469 * 1 when the hash field is for a tunnel item.
470 * @param[in] layer_types
472 * @param[in] hash_fields
476 * The hash fileds that should be used.
479 mlx5_flow_hashfields_adjust(struct mlx5_flow *dev_flow,
480 int tunnel __rte_unused, uint32_t layer_types,
481 uint64_t hash_fields)
483 struct rte_flow *flow = dev_flow->flow;
484 #ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
485 int rss_request_inner = flow->rss.level >= 2;
487 /* Check RSS hash level for tunnel. */
488 if (tunnel && rss_request_inner)
489 hash_fields |= IBV_RX_HASH_INNER;
490 else if (tunnel || rss_request_inner)
493 /* Check if requested layer matches RSS hash fields. */
494 if (!(flow->rss.types & layer_types))
500 * Lookup and set the ptype in the data Rx part. A single Ptype can be used,
501 * if several tunnel rules are used on this queue, the tunnel ptype will be
505 * Rx queue to update.
508 flow_rxq_tunnel_ptype_update(struct mlx5_rxq_ctrl *rxq_ctrl)
511 uint32_t tunnel_ptype = 0;
513 /* Look up for the ptype to use. */
514 for (i = 0; i != MLX5_FLOW_TUNNEL; ++i) {
515 if (!rxq_ctrl->flow_tunnels_n[i])
518 tunnel_ptype = tunnels_info[i].ptype;
524 rxq_ctrl->rxq.tunnel = tunnel_ptype;
528 * Set the Rx queue flags (Mark/Flag and Tunnel Ptypes) according to the flow.
531 * Pointer to the Ethernet device structure.
533 * Pointer to flow structure.
536 flow_rxq_flags_set(struct rte_eth_dev *dev, struct rte_flow *flow)
538 struct priv *priv = dev->data->dev_private;
539 const int mark = !!(flow->actions &
540 (MLX5_FLOW_ACTION_FLAG | MLX5_FLOW_ACTION_MARK));
541 const int tunnel = !!(flow->layers & MLX5_FLOW_LAYER_TUNNEL);
544 for (i = 0; i != flow->rss.queue_num; ++i) {
545 int idx = (*flow->queue)[i];
546 struct mlx5_rxq_ctrl *rxq_ctrl =
547 container_of((*priv->rxqs)[idx],
548 struct mlx5_rxq_ctrl, rxq);
551 rxq_ctrl->rxq.mark = 1;
552 rxq_ctrl->flow_mark_n++;
557 /* Increase the counter matching the flow. */
558 for (j = 0; j != MLX5_FLOW_TUNNEL; ++j) {
559 if ((tunnels_info[j].tunnel & flow->layers) ==
560 tunnels_info[j].tunnel) {
561 rxq_ctrl->flow_tunnels_n[j]++;
565 flow_rxq_tunnel_ptype_update(rxq_ctrl);
571 * Clear the Rx queue flags (Mark/Flag and Tunnel Ptype) associated with the
572 * @p flow if no other flow uses it with the same kind of request.
575 * Pointer to Ethernet device.
577 * Pointer to the flow.
580 flow_rxq_flags_trim(struct rte_eth_dev *dev, struct rte_flow *flow)
582 struct priv *priv = dev->data->dev_private;
583 const int mark = !!(flow->actions &
584 (MLX5_FLOW_ACTION_FLAG | MLX5_FLOW_ACTION_MARK));
585 const int tunnel = !!(flow->layers & MLX5_FLOW_LAYER_TUNNEL);
588 assert(dev->data->dev_started);
589 for (i = 0; i != flow->rss.queue_num; ++i) {
590 int idx = (*flow->queue)[i];
591 struct mlx5_rxq_ctrl *rxq_ctrl =
592 container_of((*priv->rxqs)[idx],
593 struct mlx5_rxq_ctrl, rxq);
596 rxq_ctrl->flow_mark_n--;
597 rxq_ctrl->rxq.mark = !!rxq_ctrl->flow_mark_n;
602 /* Decrease the counter matching the flow. */
603 for (j = 0; j != MLX5_FLOW_TUNNEL; ++j) {
604 if ((tunnels_info[j].tunnel & flow->layers) ==
605 tunnels_info[j].tunnel) {
606 rxq_ctrl->flow_tunnels_n[j]--;
610 flow_rxq_tunnel_ptype_update(rxq_ctrl);
616 * Clear the Mark/Flag and Tunnel ptype information in all Rx queues.
619 * Pointer to Ethernet device.
622 flow_rxq_flags_clear(struct rte_eth_dev *dev)
624 struct priv *priv = dev->data->dev_private;
627 for (i = 0; i != priv->rxqs_n; ++i) {
628 struct mlx5_rxq_ctrl *rxq_ctrl;
631 if (!(*priv->rxqs)[i])
633 rxq_ctrl = container_of((*priv->rxqs)[i],
634 struct mlx5_rxq_ctrl, rxq);
635 rxq_ctrl->flow_mark_n = 0;
636 rxq_ctrl->rxq.mark = 0;
637 for (j = 0; j != MLX5_FLOW_TUNNEL; ++j)
638 rxq_ctrl->flow_tunnels_n[j] = 0;
639 rxq_ctrl->rxq.tunnel = 0;
644 * Validate the flag action.
646 * @param[in] action_flags
647 * Bit-fields that holds the actions detected until now.
649 * Attributes of flow that includes this action.
651 * Pointer to error structure.
654 * 0 on success, a negative errno value otherwise and rte_errno is set.
657 mlx5_flow_validate_action_flag(uint64_t action_flags,
658 const struct rte_flow_attr *attr,
659 struct rte_flow_error *error)
662 if (action_flags & MLX5_FLOW_ACTION_DROP)
663 return rte_flow_error_set(error, EINVAL,
664 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
665 "can't drop and flag in same flow");
666 if (action_flags & MLX5_FLOW_ACTION_MARK)
667 return rte_flow_error_set(error, EINVAL,
668 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
669 "can't mark and flag in same flow");
670 if (action_flags & MLX5_FLOW_ACTION_FLAG)
671 return rte_flow_error_set(error, EINVAL,
672 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
674 " actions in same flow");
676 return rte_flow_error_set(error, ENOTSUP,
677 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
678 "flag action not supported for "
684 * Validate the mark action.
687 * Pointer to the queue action.
688 * @param[in] action_flags
689 * Bit-fields that holds the actions detected until now.
691 * Attributes of flow that includes this action.
693 * Pointer to error structure.
696 * 0 on success, a negative errno value otherwise and rte_errno is set.
699 mlx5_flow_validate_action_mark(const struct rte_flow_action *action,
700 uint64_t action_flags,
701 const struct rte_flow_attr *attr,
702 struct rte_flow_error *error)
704 const struct rte_flow_action_mark *mark = action->conf;
707 return rte_flow_error_set(error, EINVAL,
708 RTE_FLOW_ERROR_TYPE_ACTION,
710 "configuration cannot be null");
711 if (mark->id >= MLX5_FLOW_MARK_MAX)
712 return rte_flow_error_set(error, EINVAL,
713 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
715 "mark id must in 0 <= id < "
716 RTE_STR(MLX5_FLOW_MARK_MAX));
717 if (action_flags & MLX5_FLOW_ACTION_DROP)
718 return rte_flow_error_set(error, EINVAL,
719 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
720 "can't drop and mark in same flow");
721 if (action_flags & MLX5_FLOW_ACTION_FLAG)
722 return rte_flow_error_set(error, EINVAL,
723 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
724 "can't flag and mark in same flow");
725 if (action_flags & MLX5_FLOW_ACTION_MARK)
726 return rte_flow_error_set(error, EINVAL,
727 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
728 "can't have 2 mark actions in same"
731 return rte_flow_error_set(error, ENOTSUP,
732 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
733 "mark action not supported for "
739 * Validate the drop action.
741 * @param[in] action_flags
742 * Bit-fields that holds the actions detected until now.
744 * Attributes of flow that includes this action.
746 * Pointer to error structure.
749 * 0 on success, a negative errno value otherwise and rte_ernno is set.
752 mlx5_flow_validate_action_drop(uint64_t action_flags,
753 const struct rte_flow_attr *attr,
754 struct rte_flow_error *error)
756 if (action_flags & MLX5_FLOW_ACTION_FLAG)
757 return rte_flow_error_set(error, EINVAL,
758 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
759 "can't drop and flag in same flow");
760 if (action_flags & MLX5_FLOW_ACTION_MARK)
761 return rte_flow_error_set(error, EINVAL,
762 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
763 "can't drop and mark in same flow");
764 if (action_flags & MLX5_FLOW_FATE_ACTIONS)
765 return rte_flow_error_set(error, EINVAL,
766 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
767 "can't have 2 fate actions in"
770 return rte_flow_error_set(error, ENOTSUP,
771 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
772 "drop action not supported for "
778 * Validate the queue action.
781 * Pointer to the queue action.
782 * @param[in] action_flags
783 * Bit-fields that holds the actions detected until now.
785 * Pointer to the Ethernet device structure.
787 * Attributes of flow that includes this action.
789 * Pointer to error structure.
792 * 0 on success, a negative errno value otherwise and rte_ernno is set.
795 mlx5_flow_validate_action_queue(const struct rte_flow_action *action,
796 uint64_t action_flags,
797 struct rte_eth_dev *dev,
798 const struct rte_flow_attr *attr,
799 struct rte_flow_error *error)
801 struct priv *priv = dev->data->dev_private;
802 const struct rte_flow_action_queue *queue = action->conf;
804 if (action_flags & MLX5_FLOW_FATE_ACTIONS)
805 return rte_flow_error_set(error, EINVAL,
806 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
807 "can't have 2 fate actions in"
809 if (queue->index >= priv->rxqs_n)
810 return rte_flow_error_set(error, EINVAL,
811 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
813 "queue index out of range");
814 if (!(*priv->rxqs)[queue->index])
815 return rte_flow_error_set(error, EINVAL,
816 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
818 "queue is not configured");
820 return rte_flow_error_set(error, ENOTSUP,
821 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
822 "queue action not supported for "
828 * Validate the rss action.
831 * Pointer to the queue action.
832 * @param[in] action_flags
833 * Bit-fields that holds the actions detected until now.
835 * Pointer to the Ethernet device structure.
837 * Attributes of flow that includes this action.
839 * Pointer to error structure.
842 * 0 on success, a negative errno value otherwise and rte_ernno is set.
845 mlx5_flow_validate_action_rss(const struct rte_flow_action *action,
846 uint64_t action_flags,
847 struct rte_eth_dev *dev,
848 const struct rte_flow_attr *attr,
849 struct rte_flow_error *error)
851 struct priv *priv = dev->data->dev_private;
852 const struct rte_flow_action_rss *rss = action->conf;
855 if (action_flags & MLX5_FLOW_FATE_ACTIONS)
856 return rte_flow_error_set(error, EINVAL,
857 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
858 "can't have 2 fate actions"
860 if (rss->func != RTE_ETH_HASH_FUNCTION_DEFAULT &&
861 rss->func != RTE_ETH_HASH_FUNCTION_TOEPLITZ)
862 return rte_flow_error_set(error, ENOTSUP,
863 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
865 "RSS hash function not supported");
866 #ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
871 return rte_flow_error_set(error, ENOTSUP,
872 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
874 "tunnel RSS is not supported");
875 if (rss->key_len < MLX5_RSS_HASH_KEY_LEN)
876 return rte_flow_error_set(error, ENOTSUP,
877 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
879 "RSS hash key too small");
880 if (rss->key_len > MLX5_RSS_HASH_KEY_LEN)
881 return rte_flow_error_set(error, ENOTSUP,
882 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
884 "RSS hash key too large");
885 if (rss->queue_num > priv->config.ind_table_max_size)
886 return rte_flow_error_set(error, ENOTSUP,
887 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
889 "number of queues too large");
890 if (rss->types & MLX5_RSS_HF_MASK)
891 return rte_flow_error_set(error, ENOTSUP,
892 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
894 "some RSS protocols are not"
896 for (i = 0; i != rss->queue_num; ++i) {
897 if (!(*priv->rxqs)[rss->queue[i]])
898 return rte_flow_error_set
899 (error, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION_CONF,
900 &rss->queue[i], "queue is not configured");
903 return rte_flow_error_set(error, ENOTSUP,
904 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
905 "rss action not supported for "
911 * Validate the count action.
914 * Pointer to the Ethernet device structure.
916 * Attributes of flow that includes this action.
918 * Pointer to error structure.
921 * 0 on success, a negative errno value otherwise and rte_ernno is set.
924 mlx5_flow_validate_action_count(struct rte_eth_dev *dev __rte_unused,
925 const struct rte_flow_attr *attr,
926 struct rte_flow_error *error)
929 return rte_flow_error_set(error, ENOTSUP,
930 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
931 "count action not supported for "
937 * Verify the @p attributes will be correctly understood by the NIC and store
938 * them in the @p flow if everything is correct.
941 * Pointer to the Ethernet device structure.
942 * @param[in] attributes
943 * Pointer to flow attributes
945 * Pointer to error structure.
948 * 0 on success, a negative errno value otherwise and rte_errno is set.
951 mlx5_flow_validate_attributes(struct rte_eth_dev *dev,
952 const struct rte_flow_attr *attributes,
953 struct rte_flow_error *error)
955 struct priv *priv = dev->data->dev_private;
956 uint32_t priority_max = priv->config.flow_prio - 1;
958 if (attributes->group)
959 return rte_flow_error_set(error, ENOTSUP,
960 RTE_FLOW_ERROR_TYPE_ATTR_GROUP,
961 NULL, "groups is not supported");
962 if (attributes->priority != MLX5_FLOW_PRIO_RSVD &&
963 attributes->priority >= priority_max)
964 return rte_flow_error_set(error, ENOTSUP,
965 RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
966 NULL, "priority out of range");
967 if (attributes->egress)
968 return rte_flow_error_set(error, ENOTSUP,
969 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
970 "egress is not supported");
971 if (attributes->transfer)
972 return rte_flow_error_set(error, ENOTSUP,
973 RTE_FLOW_ERROR_TYPE_ATTR_TRANSFER,
974 NULL, "transfer is not supported");
975 if (!attributes->ingress)
976 return rte_flow_error_set(error, EINVAL,
977 RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
979 "ingress attribute is mandatory");
984 * Validate Ethernet item.
987 * Item specification.
988 * @param[in] item_flags
989 * Bit-fields that holds the items detected until now.
991 * Pointer to error structure.
994 * 0 on success, a negative errno value otherwise and rte_errno is set.
997 mlx5_flow_validate_item_eth(const struct rte_flow_item *item,
999 struct rte_flow_error *error)
1001 const struct rte_flow_item_eth *mask = item->mask;
1002 const struct rte_flow_item_eth nic_mask = {
1003 .dst.addr_bytes = "\xff\xff\xff\xff\xff\xff",
1004 .src.addr_bytes = "\xff\xff\xff\xff\xff\xff",
1005 .type = RTE_BE16(0xffff),
1008 int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
1010 if (item_flags & MLX5_FLOW_LAYER_OUTER_L2)
1011 return rte_flow_error_set(error, ENOTSUP,
1012 RTE_FLOW_ERROR_TYPE_ITEM, item,
1013 "3 levels of l2 are not supported");
1014 if ((item_flags & MLX5_FLOW_LAYER_INNER_L2) && !tunnel)
1015 return rte_flow_error_set(error, ENOTSUP,
1016 RTE_FLOW_ERROR_TYPE_ITEM, item,
1017 "2 L2 without tunnel are not supported");
1019 mask = &rte_flow_item_eth_mask;
1020 ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
1021 (const uint8_t *)&nic_mask,
1022 sizeof(struct rte_flow_item_eth),
1028 * Validate VLAN item.
1031 * Item specification.
1032 * @param[in] item_flags
1033 * Bit-fields that holds the items detected until now.
1035 * Pointer to error structure.
1038 * 0 on success, a negative errno value otherwise and rte_errno is set.
1041 mlx5_flow_validate_item_vlan(const struct rte_flow_item *item,
1043 struct rte_flow_error *error)
1045 const struct rte_flow_item_vlan *spec = item->spec;
1046 const struct rte_flow_item_vlan *mask = item->mask;
1047 const struct rte_flow_item_vlan nic_mask = {
1048 .tci = RTE_BE16(0x0fff),
1049 .inner_type = RTE_BE16(0xffff),
1051 uint16_t vlan_tag = 0;
1052 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
1054 const uint32_t l34m = tunnel ? (MLX5_FLOW_LAYER_INNER_L3 |
1055 MLX5_FLOW_LAYER_INNER_L4) :
1056 (MLX5_FLOW_LAYER_OUTER_L3 |
1057 MLX5_FLOW_LAYER_OUTER_L4);
1058 const uint32_t vlanm = tunnel ? MLX5_FLOW_LAYER_INNER_VLAN :
1059 MLX5_FLOW_LAYER_OUTER_VLAN;
1061 if (item_flags & vlanm)
1062 return rte_flow_error_set(error, EINVAL,
1063 RTE_FLOW_ERROR_TYPE_ITEM, item,
1064 "VLAN layer already configured");
1065 else if ((item_flags & l34m) != 0)
1066 return rte_flow_error_set(error, EINVAL,
1067 RTE_FLOW_ERROR_TYPE_ITEM, item,
1068 "L2 layer cannot follow L3/L4 layer");
1070 mask = &rte_flow_item_vlan_mask;
1071 ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
1072 (const uint8_t *)&nic_mask,
1073 sizeof(struct rte_flow_item_vlan),
1078 vlan_tag = spec->tci;
1079 vlan_tag &= mask->tci;
1082 * From verbs perspective an empty VLAN is equivalent
1083 * to a packet without VLAN layer.
1086 return rte_flow_error_set(error, EINVAL,
1087 RTE_FLOW_ERROR_TYPE_ITEM_SPEC,
1089 "VLAN cannot be empty");
1094 * Validate IPV4 item.
1097 * Item specification.
1098 * @param[in] item_flags
1099 * Bit-fields that holds the items detected until now.
1101 * Pointer to error structure.
1104 * 0 on success, a negative errno value otherwise and rte_errno is set.
1107 mlx5_flow_validate_item_ipv4(const struct rte_flow_item *item,
1109 struct rte_flow_error *error)
1111 const struct rte_flow_item_ipv4 *mask = item->mask;
1112 const struct rte_flow_item_ipv4 nic_mask = {
1114 .src_addr = RTE_BE32(0xffffffff),
1115 .dst_addr = RTE_BE32(0xffffffff),
1116 .type_of_service = 0xff,
1117 .next_proto_id = 0xff,
1120 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
1123 if (item_flags & (tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
1124 MLX5_FLOW_LAYER_OUTER_L3))
1125 return rte_flow_error_set(error, ENOTSUP,
1126 RTE_FLOW_ERROR_TYPE_ITEM, item,
1127 "multiple L3 layers not supported");
1128 else if (item_flags & (tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
1129 MLX5_FLOW_LAYER_OUTER_L4))
1130 return rte_flow_error_set(error, EINVAL,
1131 RTE_FLOW_ERROR_TYPE_ITEM, item,
1132 "L3 cannot follow an L4 layer.");
1134 mask = &rte_flow_item_ipv4_mask;
1135 ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
1136 (const uint8_t *)&nic_mask,
1137 sizeof(struct rte_flow_item_ipv4),
1145 * Validate IPV6 item.
1148 * Item specification.
1149 * @param[in] item_flags
1150 * Bit-fields that holds the items detected until now.
1152 * Pointer to error structure.
1155 * 0 on success, a negative errno value otherwise and rte_errno is set.
1158 mlx5_flow_validate_item_ipv6(const struct rte_flow_item *item,
1159 uint64_t item_flags,
1160 struct rte_flow_error *error)
1162 const struct rte_flow_item_ipv6 *mask = item->mask;
1163 const struct rte_flow_item_ipv6 nic_mask = {
1166 "\xff\xff\xff\xff\xff\xff\xff\xff"
1167 "\xff\xff\xff\xff\xff\xff\xff\xff",
1169 "\xff\xff\xff\xff\xff\xff\xff\xff"
1170 "\xff\xff\xff\xff\xff\xff\xff\xff",
1171 .vtc_flow = RTE_BE32(0xffffffff),
1176 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
1179 if (item_flags & (tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
1180 MLX5_FLOW_LAYER_OUTER_L3))
1181 return rte_flow_error_set(error, ENOTSUP,
1182 RTE_FLOW_ERROR_TYPE_ITEM, item,
1183 "multiple L3 layers not supported");
1184 else if (item_flags & (tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
1185 MLX5_FLOW_LAYER_OUTER_L4))
1186 return rte_flow_error_set(error, EINVAL,
1187 RTE_FLOW_ERROR_TYPE_ITEM, item,
1188 "L3 cannot follow an L4 layer.");
1190 * IPv6 is not recognised by the NIC inside a GRE tunnel.
1191 * Such support has to be disabled as the rule will be
1192 * accepted. Issue reproduced with Mellanox OFED 4.3-3.0.2.1 and
1193 * Mellanox OFED 4.4-1.0.0.0.
1195 if (tunnel && item_flags & MLX5_FLOW_LAYER_GRE)
1196 return rte_flow_error_set(error, ENOTSUP,
1197 RTE_FLOW_ERROR_TYPE_ITEM, item,
1198 "IPv6 inside a GRE tunnel is"
1199 " not recognised.");
1201 mask = &rte_flow_item_ipv6_mask;
1202 ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
1203 (const uint8_t *)&nic_mask,
1204 sizeof(struct rte_flow_item_ipv6),
1212 * Validate UDP item.
1215 * Item specification.
1216 * @param[in] item_flags
1217 * Bit-fields that holds the items detected until now.
1218 * @param[in] target_protocol
1219 * The next protocol in the previous item.
1220 * @param[in] flow_mask
1221 * mlx5 flow-specific (TCF, DV, verbs, etc.) supported header fields mask.
1223 * Pointer to error structure.
1226 * 0 on success, a negative errno value otherwise and rte_errno is set.
1229 mlx5_flow_validate_item_udp(const struct rte_flow_item *item,
1230 uint64_t item_flags,
1231 uint8_t target_protocol,
1232 struct rte_flow_error *error)
1234 const struct rte_flow_item_udp *mask = item->mask;
1235 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
1238 if (target_protocol != 0xff && target_protocol != IPPROTO_UDP)
1239 return rte_flow_error_set(error, EINVAL,
1240 RTE_FLOW_ERROR_TYPE_ITEM, item,
1241 "protocol filtering not compatible"
1243 if (!(item_flags & (tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
1244 MLX5_FLOW_LAYER_OUTER_L3)))
1245 return rte_flow_error_set(error, EINVAL,
1246 RTE_FLOW_ERROR_TYPE_ITEM, item,
1247 "L3 is mandatory to filter on L4");
1248 if (item_flags & (tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
1249 MLX5_FLOW_LAYER_OUTER_L4))
1250 return rte_flow_error_set(error, EINVAL,
1251 RTE_FLOW_ERROR_TYPE_ITEM, item,
1252 "L4 layer is already present");
1254 mask = &rte_flow_item_udp_mask;
1255 ret = mlx5_flow_item_acceptable
1256 (item, (const uint8_t *)mask,
1257 (const uint8_t *)&rte_flow_item_udp_mask,
1258 sizeof(struct rte_flow_item_udp), error);
1265 * Validate TCP item.
1268 * Item specification.
1269 * @param[in] item_flags
1270 * Bit-fields that holds the items detected until now.
1271 * @param[in] target_protocol
1272 * The next protocol in the previous item.
1274 * Pointer to error structure.
1277 * 0 on success, a negative errno value otherwise and rte_errno is set.
1280 mlx5_flow_validate_item_tcp(const struct rte_flow_item *item,
1281 uint64_t item_flags,
1282 uint8_t target_protocol,
1283 const struct rte_flow_item_tcp *flow_mask,
1284 struct rte_flow_error *error)
1286 const struct rte_flow_item_tcp *mask = item->mask;
1287 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
1291 if (target_protocol != 0xff && target_protocol != IPPROTO_TCP)
1292 return rte_flow_error_set(error, EINVAL,
1293 RTE_FLOW_ERROR_TYPE_ITEM, item,
1294 "protocol filtering not compatible"
1296 if (!(item_flags & (tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
1297 MLX5_FLOW_LAYER_OUTER_L3)))
1298 return rte_flow_error_set(error, EINVAL,
1299 RTE_FLOW_ERROR_TYPE_ITEM, item,
1300 "L3 is mandatory to filter on L4");
1301 if (item_flags & (tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
1302 MLX5_FLOW_LAYER_OUTER_L4))
1303 return rte_flow_error_set(error, EINVAL,
1304 RTE_FLOW_ERROR_TYPE_ITEM, item,
1305 "L4 layer is already present");
1307 mask = &rte_flow_item_tcp_mask;
1308 ret = mlx5_flow_item_acceptable
1309 (item, (const uint8_t *)mask,
1310 (const uint8_t *)flow_mask,
1311 sizeof(struct rte_flow_item_tcp), error);
1318 * Validate VXLAN item.
1321 * Item specification.
1322 * @param[in] item_flags
1323 * Bit-fields that holds the items detected until now.
1324 * @param[in] target_protocol
1325 * The next protocol in the previous item.
1327 * Pointer to error structure.
1330 * 0 on success, a negative errno value otherwise and rte_errno is set.
1333 mlx5_flow_validate_item_vxlan(const struct rte_flow_item *item,
1334 uint64_t item_flags,
1335 struct rte_flow_error *error)
1337 const struct rte_flow_item_vxlan *spec = item->spec;
1338 const struct rte_flow_item_vxlan *mask = item->mask;
1343 } id = { .vlan_id = 0, };
1344 uint32_t vlan_id = 0;
1347 if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
1348 return rte_flow_error_set(error, ENOTSUP,
1349 RTE_FLOW_ERROR_TYPE_ITEM, item,
1350 "a tunnel is already present");
1352 * Verify only UDPv4 is present as defined in
1353 * https://tools.ietf.org/html/rfc7348
1355 if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L4_UDP))
1356 return rte_flow_error_set(error, EINVAL,
1357 RTE_FLOW_ERROR_TYPE_ITEM, item,
1358 "no outer UDP layer found");
1360 mask = &rte_flow_item_vxlan_mask;
1361 ret = mlx5_flow_item_acceptable
1362 (item, (const uint8_t *)mask,
1363 (const uint8_t *)&rte_flow_item_vxlan_mask,
1364 sizeof(struct rte_flow_item_vxlan),
1369 memcpy(&id.vni[1], spec->vni, 3);
1370 vlan_id = id.vlan_id;
1371 memcpy(&id.vni[1], mask->vni, 3);
1372 vlan_id &= id.vlan_id;
1375 * Tunnel id 0 is equivalent as not adding a VXLAN layer, if
1376 * only this layer is defined in the Verbs specification it is
1377 * interpreted as wildcard and all packets will match this
1378 * rule, if it follows a full stack layer (ex: eth / ipv4 /
1379 * udp), all packets matching the layers before will also
1380 * match this rule. To avoid such situation, VNI 0 is
1381 * currently refused.
1384 return rte_flow_error_set(error, ENOTSUP,
1385 RTE_FLOW_ERROR_TYPE_ITEM, item,
1386 "VXLAN vni cannot be 0");
1387 if (!(item_flags & MLX5_FLOW_LAYER_OUTER))
1388 return rte_flow_error_set(error, ENOTSUP,
1389 RTE_FLOW_ERROR_TYPE_ITEM, item,
1390 "VXLAN tunnel must be fully defined");
1395 * Validate VXLAN_GPE item.
1398 * Item specification.
1399 * @param[in] item_flags
1400 * Bit-fields that holds the items detected until now.
1402 * Pointer to the private data structure.
1403 * @param[in] target_protocol
1404 * The next protocol in the previous item.
1406 * Pointer to error structure.
1409 * 0 on success, a negative errno value otherwise and rte_errno is set.
1412 mlx5_flow_validate_item_vxlan_gpe(const struct rte_flow_item *item,
1413 uint64_t item_flags,
1414 struct rte_eth_dev *dev,
1415 struct rte_flow_error *error)
1417 struct priv *priv = dev->data->dev_private;
1418 const struct rte_flow_item_vxlan_gpe *spec = item->spec;
1419 const struct rte_flow_item_vxlan_gpe *mask = item->mask;
1424 } id = { .vlan_id = 0, };
1425 uint32_t vlan_id = 0;
1427 if (!priv->config.l3_vxlan_en)
1428 return rte_flow_error_set(error, ENOTSUP,
1429 RTE_FLOW_ERROR_TYPE_ITEM, item,
1430 "L3 VXLAN is not enabled by device"
1431 " parameter and/or not configured in"
1433 if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
1434 return rte_flow_error_set(error, ENOTSUP,
1435 RTE_FLOW_ERROR_TYPE_ITEM, item,
1436 "a tunnel is already present");
1438 * Verify only UDPv4 is present as defined in
1439 * https://tools.ietf.org/html/rfc7348
1441 if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L4_UDP))
1442 return rte_flow_error_set(error, EINVAL,
1443 RTE_FLOW_ERROR_TYPE_ITEM, item,
1444 "no outer UDP layer found");
1446 mask = &rte_flow_item_vxlan_gpe_mask;
1447 ret = mlx5_flow_item_acceptable
1448 (item, (const uint8_t *)mask,
1449 (const uint8_t *)&rte_flow_item_vxlan_gpe_mask,
1450 sizeof(struct rte_flow_item_vxlan_gpe),
1456 return rte_flow_error_set(error, ENOTSUP,
1457 RTE_FLOW_ERROR_TYPE_ITEM,
1459 "VxLAN-GPE protocol"
1461 memcpy(&id.vni[1], spec->vni, 3);
1462 vlan_id = id.vlan_id;
1463 memcpy(&id.vni[1], mask->vni, 3);
1464 vlan_id &= id.vlan_id;
1467 * Tunnel id 0 is equivalent as not adding a VXLAN layer, if only this
1468 * layer is defined in the Verbs specification it is interpreted as
1469 * wildcard and all packets will match this rule, if it follows a full
1470 * stack layer (ex: eth / ipv4 / udp), all packets matching the layers
1471 * before will also match this rule. To avoid such situation, VNI 0
1472 * is currently refused.
1475 return rte_flow_error_set(error, ENOTSUP,
1476 RTE_FLOW_ERROR_TYPE_ITEM, item,
1477 "VXLAN-GPE vni cannot be 0");
1478 if (!(item_flags & MLX5_FLOW_LAYER_OUTER))
1479 return rte_flow_error_set(error, ENOTSUP,
1480 RTE_FLOW_ERROR_TYPE_ITEM, item,
1481 "VXLAN-GPE tunnel must be fully"
1487 * Validate GRE item.
1490 * Item specification.
1491 * @param[in] item_flags
1492 * Bit flags to mark detected items.
1493 * @param[in] target_protocol
1494 * The next protocol in the previous item.
1496 * Pointer to error structure.
1499 * 0 on success, a negative errno value otherwise and rte_errno is set.
1502 mlx5_flow_validate_item_gre(const struct rte_flow_item *item,
1503 uint64_t item_flags,
1504 uint8_t target_protocol,
1505 struct rte_flow_error *error)
1507 const struct rte_flow_item_gre *spec __rte_unused = item->spec;
1508 const struct rte_flow_item_gre *mask = item->mask;
1511 if (target_protocol != 0xff && target_protocol != IPPROTO_GRE)
1512 return rte_flow_error_set(error, EINVAL,
1513 RTE_FLOW_ERROR_TYPE_ITEM, item,
1514 "protocol filtering not compatible"
1515 " with this GRE layer");
1516 if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
1517 return rte_flow_error_set(error, ENOTSUP,
1518 RTE_FLOW_ERROR_TYPE_ITEM, item,
1519 "a tunnel is already present");
1520 if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L3))
1521 return rte_flow_error_set(error, ENOTSUP,
1522 RTE_FLOW_ERROR_TYPE_ITEM, item,
1523 "L3 Layer is missing");
1525 mask = &rte_flow_item_gre_mask;
1526 ret = mlx5_flow_item_acceptable
1527 (item, (const uint8_t *)mask,
1528 (const uint8_t *)&rte_flow_item_gre_mask,
1529 sizeof(struct rte_flow_item_gre), error);
1532 #ifndef HAVE_IBV_DEVICE_MPLS_SUPPORT
1533 if (spec && (spec->protocol & mask->protocol))
1534 return rte_flow_error_set(error, ENOTSUP,
1535 RTE_FLOW_ERROR_TYPE_ITEM, item,
1536 "without MPLS support the"
1537 " specification cannot be used for"
1544 * Validate MPLS item.
1547 * Item specification.
1548 * @param[in] item_flags
1549 * Bit-fields that holds the items detected until now.
1550 * @param[in] target_protocol
1551 * The next protocol in the previous item.
1553 * Pointer to error structure.
1556 * 0 on success, a negative errno value otherwise and rte_errno is set.
1559 mlx5_flow_validate_item_mpls(const struct rte_flow_item *item __rte_unused,
1560 uint64_t item_flags __rte_unused,
1561 uint8_t target_protocol __rte_unused,
1562 struct rte_flow_error *error)
1564 #ifdef HAVE_IBV_DEVICE_MPLS_SUPPORT
1565 const struct rte_flow_item_mpls *mask = item->mask;
1568 if (target_protocol != 0xff && target_protocol != IPPROTO_MPLS)
1569 return rte_flow_error_set(error, EINVAL,
1570 RTE_FLOW_ERROR_TYPE_ITEM, item,
1571 "protocol filtering not compatible"
1572 " with MPLS layer");
1573 if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
1574 return rte_flow_error_set(error, ENOTSUP,
1575 RTE_FLOW_ERROR_TYPE_ITEM, item,
1576 "a tunnel is already"
1579 mask = &rte_flow_item_mpls_mask;
1580 ret = mlx5_flow_item_acceptable
1581 (item, (const uint8_t *)mask,
1582 (const uint8_t *)&rte_flow_item_mpls_mask,
1583 sizeof(struct rte_flow_item_mpls), error);
1588 return rte_flow_error_set(error, ENOTSUP,
1589 RTE_FLOW_ERROR_TYPE_ITEM, item,
1590 "MPLS is not supported by Verbs, please"
1595 flow_null_validate(struct rte_eth_dev *dev __rte_unused,
1596 const struct rte_flow_attr *attr __rte_unused,
1597 const struct rte_flow_item items[] __rte_unused,
1598 const struct rte_flow_action actions[] __rte_unused,
1599 struct rte_flow_error *error __rte_unused)
1601 rte_errno = ENOTSUP;
1605 static struct mlx5_flow *
1606 flow_null_prepare(const struct rte_flow_attr *attr __rte_unused,
1607 const struct rte_flow_item items[] __rte_unused,
1608 const struct rte_flow_action actions[] __rte_unused,
1609 uint64_t *item_flags __rte_unused,
1610 uint64_t *action_flags __rte_unused,
1611 struct rte_flow_error *error __rte_unused)
1613 rte_errno = ENOTSUP;
1618 flow_null_translate(struct rte_eth_dev *dev __rte_unused,
1619 struct mlx5_flow *dev_flow __rte_unused,
1620 const struct rte_flow_attr *attr __rte_unused,
1621 const struct rte_flow_item items[] __rte_unused,
1622 const struct rte_flow_action actions[] __rte_unused,
1623 struct rte_flow_error *error __rte_unused)
1625 rte_errno = ENOTSUP;
1630 flow_null_apply(struct rte_eth_dev *dev __rte_unused,
1631 struct rte_flow *flow __rte_unused,
1632 struct rte_flow_error *error __rte_unused)
1634 rte_errno = ENOTSUP;
1639 flow_null_remove(struct rte_eth_dev *dev __rte_unused,
1640 struct rte_flow *flow __rte_unused)
1645 flow_null_destroy(struct rte_eth_dev *dev __rte_unused,
1646 struct rte_flow *flow __rte_unused)
1651 flow_null_query(struct rte_eth_dev *dev __rte_unused,
1652 struct rte_flow *flow __rte_unused,
1653 const struct rte_flow_action *actions __rte_unused,
1654 void *data __rte_unused,
1655 struct rte_flow_error *error __rte_unused)
1657 rte_errno = ENOTSUP;
1661 /* Void driver to protect from null pointer reference. */
1662 const struct mlx5_flow_driver_ops mlx5_flow_null_drv_ops = {
1663 .validate = flow_null_validate,
1664 .prepare = flow_null_prepare,
1665 .translate = flow_null_translate,
1666 .apply = flow_null_apply,
1667 .remove = flow_null_remove,
1668 .destroy = flow_null_destroy,
1669 .query = flow_null_query,
1673 * Select flow driver type according to flow attributes and device
1677 * Pointer to the dev structure.
1679 * Pointer to the flow attributes.
1682 * flow driver type, MLX5_FLOW_TYPE_MAX otherwise.
1684 static enum mlx5_flow_drv_type
1685 flow_get_drv_type(struct rte_eth_dev *dev, const struct rte_flow_attr *attr)
1687 struct priv *priv = dev->data->dev_private;
1688 enum mlx5_flow_drv_type type = MLX5_FLOW_TYPE_MAX;
1691 type = MLX5_FLOW_TYPE_TCF;
1693 type = priv->config.dv_flow_en ? MLX5_FLOW_TYPE_DV :
1694 MLX5_FLOW_TYPE_VERBS;
1698 #define flow_get_drv_ops(type) flow_drv_ops[type]
1701 * Flow driver validation API. This abstracts calling driver specific functions.
1702 * The type of flow driver is determined according to flow attributes.
1705 * Pointer to the dev structure.
1707 * Pointer to the flow attributes.
1709 * Pointer to the list of items.
1710 * @param[in] actions
1711 * Pointer to the list of actions.
1713 * Pointer to the error structure.
1716 * 0 on success, a negative errno value otherwise and rte_ernno is set.
1719 flow_drv_validate(struct rte_eth_dev *dev,
1720 const struct rte_flow_attr *attr,
1721 const struct rte_flow_item items[],
1722 const struct rte_flow_action actions[],
1723 struct rte_flow_error *error)
1725 const struct mlx5_flow_driver_ops *fops;
1726 enum mlx5_flow_drv_type type = flow_get_drv_type(dev, attr);
1728 fops = flow_get_drv_ops(type);
1729 return fops->validate(dev, attr, items, actions, error);
1733 * Flow driver preparation API. This abstracts calling driver specific
1734 * functions. Parent flow (rte_flow) should have driver type (drv_type). It
1735 * calculates the size of memory required for device flow, allocates the memory,
1736 * initializes the device flow and returns the pointer.
1739 * Pointer to the flow attributes.
1741 * Pointer to the list of items.
1742 * @param[in] actions
1743 * Pointer to the list of actions.
1744 * @param[out] item_flags
1745 * Pointer to bit mask of all items detected.
1746 * @param[out] action_flags
1747 * Pointer to bit mask of all actions detected.
1749 * Pointer to the error structure.
1752 * Pointer to device flow on success, otherwise NULL and rte_ernno is set.
1754 static inline struct mlx5_flow *
1755 flow_drv_prepare(struct rte_flow *flow,
1756 const struct rte_flow_attr *attr,
1757 const struct rte_flow_item items[],
1758 const struct rte_flow_action actions[],
1759 uint64_t *item_flags,
1760 uint64_t *action_flags,
1761 struct rte_flow_error *error)
1763 const struct mlx5_flow_driver_ops *fops;
1764 enum mlx5_flow_drv_type type = flow->drv_type;
1766 assert(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
1767 fops = flow_get_drv_ops(type);
1768 return fops->prepare(attr, items, actions, item_flags, action_flags,
1773 * Flow driver translation API. This abstracts calling driver specific
1774 * functions. Parent flow (rte_flow) should have driver type (drv_type). It
1775 * translates a generic flow into a driver flow. flow_drv_prepare() must
1780 * Pointer to the rte dev structure.
1781 * @param[in, out] dev_flow
1782 * Pointer to the mlx5 flow.
1784 * Pointer to the flow attributes.
1786 * Pointer to the list of items.
1787 * @param[in] actions
1788 * Pointer to the list of actions.
1790 * Pointer to the error structure.
1793 * 0 on success, a negative errno value otherwise and rte_ernno is set.
1796 flow_drv_translate(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow,
1797 const struct rte_flow_attr *attr,
1798 const struct rte_flow_item items[],
1799 const struct rte_flow_action actions[],
1800 struct rte_flow_error *error)
1802 const struct mlx5_flow_driver_ops *fops;
1803 enum mlx5_flow_drv_type type = dev_flow->flow->drv_type;
1805 assert(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
1806 fops = flow_get_drv_ops(type);
1807 return fops->translate(dev, dev_flow, attr, items, actions, error);
1811 * Flow driver apply API. This abstracts calling driver specific functions.
1812 * Parent flow (rte_flow) should have driver type (drv_type). It applies
1813 * translated driver flows on to device. flow_drv_translate() must precede.
1816 * Pointer to Ethernet device structure.
1817 * @param[in, out] flow
1818 * Pointer to flow structure.
1820 * Pointer to error structure.
1823 * 0 on success, a negative errno value otherwise and rte_errno is set.
1826 flow_drv_apply(struct rte_eth_dev *dev, struct rte_flow *flow,
1827 struct rte_flow_error *error)
1829 const struct mlx5_flow_driver_ops *fops;
1830 enum mlx5_flow_drv_type type = flow->drv_type;
1832 assert(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
1833 fops = flow_get_drv_ops(type);
1834 return fops->apply(dev, flow, error);
1838 * Flow driver remove API. This abstracts calling driver specific functions.
1839 * Parent flow (rte_flow) should have driver type (drv_type). It removes a flow
1840 * on device. All the resources of the flow should be freed by calling
1841 * flow_dv_destroy().
1844 * Pointer to Ethernet device.
1845 * @param[in, out] flow
1846 * Pointer to flow structure.
1849 flow_drv_remove(struct rte_eth_dev *dev, struct rte_flow *flow)
1851 const struct mlx5_flow_driver_ops *fops;
1852 enum mlx5_flow_drv_type type = flow->drv_type;
1854 assert(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
1855 fops = flow_get_drv_ops(type);
1856 fops->remove(dev, flow);
1860 * Flow driver destroy API. This abstracts calling driver specific functions.
1861 * Parent flow (rte_flow) should have driver type (drv_type). It removes a flow
1862 * on device and releases resources of the flow.
1865 * Pointer to Ethernet device.
1866 * @param[in, out] flow
1867 * Pointer to flow structure.
1870 flow_drv_destroy(struct rte_eth_dev *dev, struct rte_flow *flow)
1872 const struct mlx5_flow_driver_ops *fops;
1873 enum mlx5_flow_drv_type type = flow->drv_type;
1875 assert(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
1876 fops = flow_get_drv_ops(type);
1877 fops->destroy(dev, flow);
1881 * Validate a flow supported by the NIC.
1883 * @see rte_flow_validate()
1887 mlx5_flow_validate(struct rte_eth_dev *dev,
1888 const struct rte_flow_attr *attr,
1889 const struct rte_flow_item items[],
1890 const struct rte_flow_action actions[],
1891 struct rte_flow_error *error)
1895 ret = flow_drv_validate(dev, attr, items, actions, error);
1902 * Get RSS action from the action list.
1904 * @param[in] actions
1905 * Pointer to the list of actions.
1908 * Pointer to the RSS action if exist, else return NULL.
1910 static const struct rte_flow_action_rss*
1911 flow_get_rss_action(const struct rte_flow_action actions[])
1913 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
1914 switch (actions->type) {
1915 case RTE_FLOW_ACTION_TYPE_RSS:
1916 return (const struct rte_flow_action_rss *)
1926 find_graph_root(const struct rte_flow_item pattern[], uint32_t rss_level)
1928 const struct rte_flow_item *item;
1929 unsigned int has_vlan = 0;
1931 for (item = pattern; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
1932 if (item->type == RTE_FLOW_ITEM_TYPE_VLAN) {
1938 return rss_level < 2 ? MLX5_EXPANSION_ROOT_ETH_VLAN :
1939 MLX5_EXPANSION_ROOT_OUTER_ETH_VLAN;
1940 return rss_level < 2 ? MLX5_EXPANSION_ROOT :
1941 MLX5_EXPANSION_ROOT_OUTER;
1945 * Create a flow and add it to @p list.
1948 * Pointer to Ethernet device.
1950 * Pointer to a TAILQ flow list.
1952 * Flow rule attributes.
1954 * Pattern specification (list terminated by the END pattern item).
1955 * @param[in] actions
1956 * Associated actions (list terminated by the END action).
1958 * Perform verbose error reporting if not NULL.
1961 * A flow on success, NULL otherwise and rte_errno is set.
1963 static struct rte_flow *
1964 flow_list_create(struct rte_eth_dev *dev, struct mlx5_flows *list,
1965 const struct rte_flow_attr *attr,
1966 const struct rte_flow_item items[],
1967 const struct rte_flow_action actions[],
1968 struct rte_flow_error *error)
1970 struct rte_flow *flow = NULL;
1971 struct mlx5_flow *dev_flow;
1972 uint64_t action_flags = 0;
1973 uint64_t item_flags = 0;
1974 const struct rte_flow_action_rss *rss;
1976 struct rte_flow_expand_rss buf;
1977 uint8_t buffer[2048];
1979 struct rte_flow_expand_rss *buf = &expand_buffer.buf;
1984 ret = flow_drv_validate(dev, attr, items, actions, error);
1987 flow_size = sizeof(struct rte_flow);
1988 rss = flow_get_rss_action(actions);
1990 flow_size += RTE_ALIGN_CEIL(rss->queue_num * sizeof(uint16_t),
1993 flow_size += RTE_ALIGN_CEIL(sizeof(uint16_t), sizeof(void *));
1994 flow = rte_calloc(__func__, 1, flow_size, 0);
1995 flow->drv_type = flow_get_drv_type(dev, attr);
1996 assert(flow->drv_type > MLX5_FLOW_TYPE_MIN &&
1997 flow->drv_type < MLX5_FLOW_TYPE_MAX);
1998 flow->queue = (void *)(flow + 1);
1999 LIST_INIT(&flow->dev_flows);
2000 if (rss && rss->types) {
2001 unsigned int graph_root;
2003 graph_root = find_graph_root(items, rss->level);
2004 ret = rte_flow_expand_rss(buf, sizeof(expand_buffer.buffer),
2006 mlx5_support_expansion,
2009 (unsigned int)ret < sizeof(expand_buffer.buffer));
2012 buf->entry[0].pattern = (void *)(uintptr_t)items;
2014 for (i = 0; i < buf->entries; ++i) {
2015 dev_flow = flow_drv_prepare(flow, attr, buf->entry[i].pattern,
2016 actions, &item_flags, &action_flags,
2020 dev_flow->flow = flow;
2021 LIST_INSERT_HEAD(&flow->dev_flows, dev_flow, next);
2022 ret = flow_drv_translate(dev, dev_flow, attr,
2023 buf->entry[i].pattern,
2028 if (dev->data->dev_started) {
2029 ret = flow_drv_apply(dev, flow, error);
2033 TAILQ_INSERT_TAIL(list, flow, next);
2034 flow_rxq_flags_set(dev, flow);
2037 ret = rte_errno; /* Save rte_errno before cleanup. */
2039 flow_drv_destroy(dev, flow);
2041 rte_errno = ret; /* Restore rte_errno. */
2048 * @see rte_flow_create()
2052 mlx5_flow_create(struct rte_eth_dev *dev,
2053 const struct rte_flow_attr *attr,
2054 const struct rte_flow_item items[],
2055 const struct rte_flow_action actions[],
2056 struct rte_flow_error *error)
2058 return flow_list_create(dev,
2059 &((struct priv *)dev->data->dev_private)->flows,
2060 attr, items, actions, error);
2064 * Destroy a flow in a list.
2067 * Pointer to Ethernet device.
2069 * Pointer to a TAILQ flow list.
2074 flow_list_destroy(struct rte_eth_dev *dev, struct mlx5_flows *list,
2075 struct rte_flow *flow)
2077 flow_drv_destroy(dev, flow);
2078 TAILQ_REMOVE(list, flow, next);
2080 * Update RX queue flags only if port is started, otherwise it is
2083 if (dev->data->dev_started)
2084 flow_rxq_flags_trim(dev, flow);
2089 * Destroy all flows.
2092 * Pointer to Ethernet device.
2094 * Pointer to a TAILQ flow list.
2097 mlx5_flow_list_flush(struct rte_eth_dev *dev, struct mlx5_flows *list)
2099 while (!TAILQ_EMPTY(list)) {
2100 struct rte_flow *flow;
2102 flow = TAILQ_FIRST(list);
2103 flow_list_destroy(dev, list, flow);
2111 * Pointer to Ethernet device.
2113 * Pointer to a TAILQ flow list.
2116 mlx5_flow_stop(struct rte_eth_dev *dev, struct mlx5_flows *list)
2118 struct rte_flow *flow;
2120 TAILQ_FOREACH_REVERSE(flow, list, mlx5_flows, next)
2121 flow_drv_remove(dev, flow);
2122 flow_rxq_flags_clear(dev);
2129 * Pointer to Ethernet device.
2131 * Pointer to a TAILQ flow list.
2134 * 0 on success, a negative errno value otherwise and rte_errno is set.
2137 mlx5_flow_start(struct rte_eth_dev *dev, struct mlx5_flows *list)
2139 struct rte_flow *flow;
2140 struct rte_flow_error error;
2143 TAILQ_FOREACH(flow, list, next) {
2144 ret = flow_drv_apply(dev, flow, &error);
2147 flow_rxq_flags_set(dev, flow);
2151 ret = rte_errno; /* Save rte_errno before cleanup. */
2152 mlx5_flow_stop(dev, list);
2153 rte_errno = ret; /* Restore rte_errno. */
2158 * Verify the flow list is empty
2161 * Pointer to Ethernet device.
2163 * @return the number of flows not released.
2166 mlx5_flow_verify(struct rte_eth_dev *dev)
2168 struct priv *priv = dev->data->dev_private;
2169 struct rte_flow *flow;
2172 TAILQ_FOREACH(flow, &priv->flows, next) {
2173 DRV_LOG(DEBUG, "port %u flow %p still referenced",
2174 dev->data->port_id, (void *)flow);
2181 * Enable a control flow configured from the control plane.
2184 * Pointer to Ethernet device.
2186 * An Ethernet flow spec to apply.
2188 * An Ethernet flow mask to apply.
2190 * A VLAN flow spec to apply.
2192 * A VLAN flow mask to apply.
2195 * 0 on success, a negative errno value otherwise and rte_errno is set.
2198 mlx5_ctrl_flow_vlan(struct rte_eth_dev *dev,
2199 struct rte_flow_item_eth *eth_spec,
2200 struct rte_flow_item_eth *eth_mask,
2201 struct rte_flow_item_vlan *vlan_spec,
2202 struct rte_flow_item_vlan *vlan_mask)
2204 struct priv *priv = dev->data->dev_private;
2205 const struct rte_flow_attr attr = {
2207 .priority = MLX5_FLOW_PRIO_RSVD,
2209 struct rte_flow_item items[] = {
2211 .type = RTE_FLOW_ITEM_TYPE_ETH,
2217 .type = (vlan_spec) ? RTE_FLOW_ITEM_TYPE_VLAN :
2218 RTE_FLOW_ITEM_TYPE_END,
2224 .type = RTE_FLOW_ITEM_TYPE_END,
2227 uint16_t queue[priv->reta_idx_n];
2228 struct rte_flow_action_rss action_rss = {
2229 .func = RTE_ETH_HASH_FUNCTION_DEFAULT,
2231 .types = priv->rss_conf.rss_hf,
2232 .key_len = priv->rss_conf.rss_key_len,
2233 .queue_num = priv->reta_idx_n,
2234 .key = priv->rss_conf.rss_key,
2237 struct rte_flow_action actions[] = {
2239 .type = RTE_FLOW_ACTION_TYPE_RSS,
2240 .conf = &action_rss,
2243 .type = RTE_FLOW_ACTION_TYPE_END,
2246 struct rte_flow *flow;
2247 struct rte_flow_error error;
2250 if (!priv->reta_idx_n) {
2254 for (i = 0; i != priv->reta_idx_n; ++i)
2255 queue[i] = (*priv->reta_idx)[i];
2256 flow = flow_list_create(dev, &priv->ctrl_flows,
2257 &attr, items, actions, &error);
2264 * Enable a flow control configured from the control plane.
2267 * Pointer to Ethernet device.
2269 * An Ethernet flow spec to apply.
2271 * An Ethernet flow mask to apply.
2274 * 0 on success, a negative errno value otherwise and rte_errno is set.
2277 mlx5_ctrl_flow(struct rte_eth_dev *dev,
2278 struct rte_flow_item_eth *eth_spec,
2279 struct rte_flow_item_eth *eth_mask)
2281 return mlx5_ctrl_flow_vlan(dev, eth_spec, eth_mask, NULL, NULL);
2287 * @see rte_flow_destroy()
2291 mlx5_flow_destroy(struct rte_eth_dev *dev,
2292 struct rte_flow *flow,
2293 struct rte_flow_error *error __rte_unused)
2295 struct priv *priv = dev->data->dev_private;
2297 flow_list_destroy(dev, &priv->flows, flow);
2302 * Destroy all flows.
2304 * @see rte_flow_flush()
2308 mlx5_flow_flush(struct rte_eth_dev *dev,
2309 struct rte_flow_error *error __rte_unused)
2311 struct priv *priv = dev->data->dev_private;
2313 mlx5_flow_list_flush(dev, &priv->flows);
2320 * @see rte_flow_isolate()
2324 mlx5_flow_isolate(struct rte_eth_dev *dev,
2326 struct rte_flow_error *error)
2328 struct priv *priv = dev->data->dev_private;
2330 if (dev->data->dev_started) {
2331 rte_flow_error_set(error, EBUSY,
2332 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
2334 "port must be stopped first");
2337 priv->isolated = !!enable;
2339 dev->dev_ops = &mlx5_dev_ops_isolate;
2341 dev->dev_ops = &mlx5_dev_ops;
2348 * @see rte_flow_query()
2352 flow_drv_query(struct rte_eth_dev *dev,
2353 struct rte_flow *flow,
2354 const struct rte_flow_action *actions,
2356 struct rte_flow_error *error)
2358 const struct mlx5_flow_driver_ops *fops;
2359 enum mlx5_flow_drv_type ftype = flow->drv_type;
2361 assert(ftype > MLX5_FLOW_TYPE_MIN && ftype < MLX5_FLOW_TYPE_MAX);
2362 fops = flow_get_drv_ops(ftype);
2364 return fops->query(dev, flow, actions, data, error);
2370 * @see rte_flow_query()
2374 mlx5_flow_query(struct rte_eth_dev *dev,
2375 struct rte_flow *flow,
2376 const struct rte_flow_action *actions,
2378 struct rte_flow_error *error)
2382 ret = flow_drv_query(dev, flow, actions, data, error);
2389 * Convert a flow director filter to a generic flow.
2392 * Pointer to Ethernet device.
2393 * @param fdir_filter
2394 * Flow director filter to add.
2396 * Generic flow parameters structure.
2399 * 0 on success, a negative errno value otherwise and rte_errno is set.
2402 mlx5_fdir_filter_convert(struct rte_eth_dev *dev,
2403 const struct rte_eth_fdir_filter *fdir_filter,
2404 struct mlx5_fdir *attributes)
2406 struct priv *priv = dev->data->dev_private;
2407 const struct rte_eth_fdir_input *input = &fdir_filter->input;
2408 const struct rte_eth_fdir_masks *mask =
2409 &dev->data->dev_conf.fdir_conf.mask;
2411 /* Validate queue number. */
2412 if (fdir_filter->action.rx_queue >= priv->rxqs_n) {
2413 DRV_LOG(ERR, "port %u invalid queue number %d",
2414 dev->data->port_id, fdir_filter->action.rx_queue);
2418 attributes->attr.ingress = 1;
2419 attributes->items[0] = (struct rte_flow_item) {
2420 .type = RTE_FLOW_ITEM_TYPE_ETH,
2421 .spec = &attributes->l2,
2422 .mask = &attributes->l2_mask,
2424 switch (fdir_filter->action.behavior) {
2425 case RTE_ETH_FDIR_ACCEPT:
2426 attributes->actions[0] = (struct rte_flow_action){
2427 .type = RTE_FLOW_ACTION_TYPE_QUEUE,
2428 .conf = &attributes->queue,
2431 case RTE_ETH_FDIR_REJECT:
2432 attributes->actions[0] = (struct rte_flow_action){
2433 .type = RTE_FLOW_ACTION_TYPE_DROP,
2437 DRV_LOG(ERR, "port %u invalid behavior %d",
2439 fdir_filter->action.behavior);
2440 rte_errno = ENOTSUP;
2443 attributes->queue.index = fdir_filter->action.rx_queue;
2445 switch (fdir_filter->input.flow_type) {
2446 case RTE_ETH_FLOW_NONFRAG_IPV4_UDP:
2447 case RTE_ETH_FLOW_NONFRAG_IPV4_TCP:
2448 case RTE_ETH_FLOW_NONFRAG_IPV4_OTHER:
2449 attributes->l3.ipv4.hdr = (struct ipv4_hdr){
2450 .src_addr = input->flow.ip4_flow.src_ip,
2451 .dst_addr = input->flow.ip4_flow.dst_ip,
2452 .time_to_live = input->flow.ip4_flow.ttl,
2453 .type_of_service = input->flow.ip4_flow.tos,
2455 attributes->l3_mask.ipv4.hdr = (struct ipv4_hdr){
2456 .src_addr = mask->ipv4_mask.src_ip,
2457 .dst_addr = mask->ipv4_mask.dst_ip,
2458 .time_to_live = mask->ipv4_mask.ttl,
2459 .type_of_service = mask->ipv4_mask.tos,
2460 .next_proto_id = mask->ipv4_mask.proto,
2462 attributes->items[1] = (struct rte_flow_item){
2463 .type = RTE_FLOW_ITEM_TYPE_IPV4,
2464 .spec = &attributes->l3,
2465 .mask = &attributes->l3_mask,
2468 case RTE_ETH_FLOW_NONFRAG_IPV6_UDP:
2469 case RTE_ETH_FLOW_NONFRAG_IPV6_TCP:
2470 case RTE_ETH_FLOW_NONFRAG_IPV6_OTHER:
2471 attributes->l3.ipv6.hdr = (struct ipv6_hdr){
2472 .hop_limits = input->flow.ipv6_flow.hop_limits,
2473 .proto = input->flow.ipv6_flow.proto,
2476 memcpy(attributes->l3.ipv6.hdr.src_addr,
2477 input->flow.ipv6_flow.src_ip,
2478 RTE_DIM(attributes->l3.ipv6.hdr.src_addr));
2479 memcpy(attributes->l3.ipv6.hdr.dst_addr,
2480 input->flow.ipv6_flow.dst_ip,
2481 RTE_DIM(attributes->l3.ipv6.hdr.src_addr));
2482 memcpy(attributes->l3_mask.ipv6.hdr.src_addr,
2483 mask->ipv6_mask.src_ip,
2484 RTE_DIM(attributes->l3_mask.ipv6.hdr.src_addr));
2485 memcpy(attributes->l3_mask.ipv6.hdr.dst_addr,
2486 mask->ipv6_mask.dst_ip,
2487 RTE_DIM(attributes->l3_mask.ipv6.hdr.src_addr));
2488 attributes->items[1] = (struct rte_flow_item){
2489 .type = RTE_FLOW_ITEM_TYPE_IPV6,
2490 .spec = &attributes->l3,
2491 .mask = &attributes->l3_mask,
2495 DRV_LOG(ERR, "port %u invalid flow type%d",
2496 dev->data->port_id, fdir_filter->input.flow_type);
2497 rte_errno = ENOTSUP;
2501 switch (fdir_filter->input.flow_type) {
2502 case RTE_ETH_FLOW_NONFRAG_IPV4_UDP:
2503 attributes->l4.udp.hdr = (struct udp_hdr){
2504 .src_port = input->flow.udp4_flow.src_port,
2505 .dst_port = input->flow.udp4_flow.dst_port,
2507 attributes->l4_mask.udp.hdr = (struct udp_hdr){
2508 .src_port = mask->src_port_mask,
2509 .dst_port = mask->dst_port_mask,
2511 attributes->items[2] = (struct rte_flow_item){
2512 .type = RTE_FLOW_ITEM_TYPE_UDP,
2513 .spec = &attributes->l4,
2514 .mask = &attributes->l4_mask,
2517 case RTE_ETH_FLOW_NONFRAG_IPV4_TCP:
2518 attributes->l4.tcp.hdr = (struct tcp_hdr){
2519 .src_port = input->flow.tcp4_flow.src_port,
2520 .dst_port = input->flow.tcp4_flow.dst_port,
2522 attributes->l4_mask.tcp.hdr = (struct tcp_hdr){
2523 .src_port = mask->src_port_mask,
2524 .dst_port = mask->dst_port_mask,
2526 attributes->items[2] = (struct rte_flow_item){
2527 .type = RTE_FLOW_ITEM_TYPE_TCP,
2528 .spec = &attributes->l4,
2529 .mask = &attributes->l4_mask,
2532 case RTE_ETH_FLOW_NONFRAG_IPV6_UDP:
2533 attributes->l4.udp.hdr = (struct udp_hdr){
2534 .src_port = input->flow.udp6_flow.src_port,
2535 .dst_port = input->flow.udp6_flow.dst_port,
2537 attributes->l4_mask.udp.hdr = (struct udp_hdr){
2538 .src_port = mask->src_port_mask,
2539 .dst_port = mask->dst_port_mask,
2541 attributes->items[2] = (struct rte_flow_item){
2542 .type = RTE_FLOW_ITEM_TYPE_UDP,
2543 .spec = &attributes->l4,
2544 .mask = &attributes->l4_mask,
2547 case RTE_ETH_FLOW_NONFRAG_IPV6_TCP:
2548 attributes->l4.tcp.hdr = (struct tcp_hdr){
2549 .src_port = input->flow.tcp6_flow.src_port,
2550 .dst_port = input->flow.tcp6_flow.dst_port,
2552 attributes->l4_mask.tcp.hdr = (struct tcp_hdr){
2553 .src_port = mask->src_port_mask,
2554 .dst_port = mask->dst_port_mask,
2556 attributes->items[2] = (struct rte_flow_item){
2557 .type = RTE_FLOW_ITEM_TYPE_TCP,
2558 .spec = &attributes->l4,
2559 .mask = &attributes->l4_mask,
2562 case RTE_ETH_FLOW_NONFRAG_IPV4_OTHER:
2563 case RTE_ETH_FLOW_NONFRAG_IPV6_OTHER:
2566 DRV_LOG(ERR, "port %u invalid flow type%d",
2567 dev->data->port_id, fdir_filter->input.flow_type);
2568 rte_errno = ENOTSUP;
2575 * Add new flow director filter and store it in list.
2578 * Pointer to Ethernet device.
2579 * @param fdir_filter
2580 * Flow director filter to add.
2583 * 0 on success, a negative errno value otherwise and rte_errno is set.
2586 mlx5_fdir_filter_add(struct rte_eth_dev *dev,
2587 const struct rte_eth_fdir_filter *fdir_filter)
2589 struct priv *priv = dev->data->dev_private;
2590 struct mlx5_fdir attributes = {
2593 .dst.addr_bytes = "\x00\x00\x00\x00\x00\x00",
2594 .src.addr_bytes = "\x00\x00\x00\x00\x00\x00",
2598 struct rte_flow_error error;
2599 struct rte_flow *flow;
2602 ret = mlx5_fdir_filter_convert(dev, fdir_filter, &attributes);
2605 flow = flow_list_create(dev, &priv->flows, &attributes.attr,
2606 attributes.items, attributes.actions, &error);
2608 DRV_LOG(DEBUG, "port %u FDIR created %p", dev->data->port_id,
2616 * Delete specific filter.
2619 * Pointer to Ethernet device.
2620 * @param fdir_filter
2621 * Filter to be deleted.
2624 * 0 on success, a negative errno value otherwise and rte_errno is set.
2627 mlx5_fdir_filter_delete(struct rte_eth_dev *dev __rte_unused,
2628 const struct rte_eth_fdir_filter *fdir_filter
2631 rte_errno = ENOTSUP;
2636 * Update queue for specific filter.
2639 * Pointer to Ethernet device.
2640 * @param fdir_filter
2641 * Filter to be updated.
2644 * 0 on success, a negative errno value otherwise and rte_errno is set.
2647 mlx5_fdir_filter_update(struct rte_eth_dev *dev,
2648 const struct rte_eth_fdir_filter *fdir_filter)
2652 ret = mlx5_fdir_filter_delete(dev, fdir_filter);
2655 return mlx5_fdir_filter_add(dev, fdir_filter);
2659 * Flush all filters.
2662 * Pointer to Ethernet device.
2665 mlx5_fdir_filter_flush(struct rte_eth_dev *dev)
2667 struct priv *priv = dev->data->dev_private;
2669 mlx5_flow_list_flush(dev, &priv->flows);
2673 * Get flow director information.
2676 * Pointer to Ethernet device.
2677 * @param[out] fdir_info
2678 * Resulting flow director information.
2681 mlx5_fdir_info_get(struct rte_eth_dev *dev, struct rte_eth_fdir_info *fdir_info)
2683 struct rte_eth_fdir_masks *mask =
2684 &dev->data->dev_conf.fdir_conf.mask;
2686 fdir_info->mode = dev->data->dev_conf.fdir_conf.mode;
2687 fdir_info->guarant_spc = 0;
2688 rte_memcpy(&fdir_info->mask, mask, sizeof(fdir_info->mask));
2689 fdir_info->max_flexpayload = 0;
2690 fdir_info->flow_types_mask[0] = 0;
2691 fdir_info->flex_payload_unit = 0;
2692 fdir_info->max_flex_payload_segment_num = 0;
2693 fdir_info->flex_payload_limit = 0;
2694 memset(&fdir_info->flex_conf, 0, sizeof(fdir_info->flex_conf));
2698 * Deal with flow director operations.
2701 * Pointer to Ethernet device.
2703 * Operation to perform.
2705 * Pointer to operation-specific structure.
2708 * 0 on success, a negative errno value otherwise and rte_errno is set.
2711 mlx5_fdir_ctrl_func(struct rte_eth_dev *dev, enum rte_filter_op filter_op,
2714 enum rte_fdir_mode fdir_mode =
2715 dev->data->dev_conf.fdir_conf.mode;
2717 if (filter_op == RTE_ETH_FILTER_NOP)
2719 if (fdir_mode != RTE_FDIR_MODE_PERFECT &&
2720 fdir_mode != RTE_FDIR_MODE_PERFECT_MAC_VLAN) {
2721 DRV_LOG(ERR, "port %u flow director mode %d not supported",
2722 dev->data->port_id, fdir_mode);
2726 switch (filter_op) {
2727 case RTE_ETH_FILTER_ADD:
2728 return mlx5_fdir_filter_add(dev, arg);
2729 case RTE_ETH_FILTER_UPDATE:
2730 return mlx5_fdir_filter_update(dev, arg);
2731 case RTE_ETH_FILTER_DELETE:
2732 return mlx5_fdir_filter_delete(dev, arg);
2733 case RTE_ETH_FILTER_FLUSH:
2734 mlx5_fdir_filter_flush(dev);
2736 case RTE_ETH_FILTER_INFO:
2737 mlx5_fdir_info_get(dev, arg);
2740 DRV_LOG(DEBUG, "port %u unknown operation %u",
2741 dev->data->port_id, filter_op);
2749 * Manage filter operations.
2752 * Pointer to Ethernet device structure.
2753 * @param filter_type
2756 * Operation to perform.
2758 * Pointer to operation-specific structure.
2761 * 0 on success, a negative errno value otherwise and rte_errno is set.
2764 mlx5_dev_filter_ctrl(struct rte_eth_dev *dev,
2765 enum rte_filter_type filter_type,
2766 enum rte_filter_op filter_op,
2769 switch (filter_type) {
2770 case RTE_ETH_FILTER_GENERIC:
2771 if (filter_op != RTE_ETH_FILTER_GET) {
2775 *(const void **)arg = &mlx5_flow_ops;
2777 case RTE_ETH_FILTER_FDIR:
2778 return mlx5_fdir_ctrl_func(dev, filter_op, arg);
2780 DRV_LOG(ERR, "port %u filter type (%d) not supported",
2781 dev->data->port_id, filter_type);
2782 rte_errno = ENOTSUP;