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_ethdev_driver.h>
26 #include <rte_flow_driver.h>
27 #include <rte_malloc.h>
31 #include "mlx5_defs.h"
32 #include "mlx5_flow.h"
33 #include "mlx5_glue.h"
35 #include "mlx5_rxtx.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_verbs_drv_ops;
47 const struct mlx5_flow_driver_ops mlx5_flow_null_drv_ops;
49 const struct mlx5_flow_driver_ops *flow_drv_ops[] = {
50 [MLX5_FLOW_TYPE_MIN] = &mlx5_flow_null_drv_ops,
51 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
52 [MLX5_FLOW_TYPE_DV] = &mlx5_flow_dv_drv_ops,
54 [MLX5_FLOW_TYPE_VERBS] = &mlx5_flow_verbs_drv_ops,
55 [MLX5_FLOW_TYPE_MAX] = &mlx5_flow_null_drv_ops
60 MLX5_EXPANSION_ROOT_OUTER,
61 MLX5_EXPANSION_ROOT_ETH_VLAN,
62 MLX5_EXPANSION_ROOT_OUTER_ETH_VLAN,
63 MLX5_EXPANSION_OUTER_ETH,
64 MLX5_EXPANSION_OUTER_ETH_VLAN,
65 MLX5_EXPANSION_OUTER_VLAN,
66 MLX5_EXPANSION_OUTER_IPV4,
67 MLX5_EXPANSION_OUTER_IPV4_UDP,
68 MLX5_EXPANSION_OUTER_IPV4_TCP,
69 MLX5_EXPANSION_OUTER_IPV6,
70 MLX5_EXPANSION_OUTER_IPV6_UDP,
71 MLX5_EXPANSION_OUTER_IPV6_TCP,
73 MLX5_EXPANSION_VXLAN_GPE,
77 MLX5_EXPANSION_ETH_VLAN,
80 MLX5_EXPANSION_IPV4_UDP,
81 MLX5_EXPANSION_IPV4_TCP,
83 MLX5_EXPANSION_IPV6_UDP,
84 MLX5_EXPANSION_IPV6_TCP,
87 /** Supported expansion of items. */
88 static const struct rte_flow_expand_node mlx5_support_expansion[] = {
89 [MLX5_EXPANSION_ROOT] = {
90 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH,
93 .type = RTE_FLOW_ITEM_TYPE_END,
95 [MLX5_EXPANSION_ROOT_OUTER] = {
96 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_ETH,
97 MLX5_EXPANSION_OUTER_IPV4,
98 MLX5_EXPANSION_OUTER_IPV6),
99 .type = RTE_FLOW_ITEM_TYPE_END,
101 [MLX5_EXPANSION_ROOT_ETH_VLAN] = {
102 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH_VLAN),
103 .type = RTE_FLOW_ITEM_TYPE_END,
105 [MLX5_EXPANSION_ROOT_OUTER_ETH_VLAN] = {
106 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_ETH_VLAN),
107 .type = RTE_FLOW_ITEM_TYPE_END,
109 [MLX5_EXPANSION_OUTER_ETH] = {
110 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_IPV4,
111 MLX5_EXPANSION_OUTER_IPV6,
112 MLX5_EXPANSION_MPLS),
113 .type = RTE_FLOW_ITEM_TYPE_ETH,
116 [MLX5_EXPANSION_OUTER_ETH_VLAN] = {
117 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_VLAN),
118 .type = RTE_FLOW_ITEM_TYPE_ETH,
121 [MLX5_EXPANSION_OUTER_VLAN] = {
122 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_IPV4,
123 MLX5_EXPANSION_OUTER_IPV6),
124 .type = RTE_FLOW_ITEM_TYPE_VLAN,
126 [MLX5_EXPANSION_OUTER_IPV4] = {
127 .next = RTE_FLOW_EXPAND_RSS_NEXT
128 (MLX5_EXPANSION_OUTER_IPV4_UDP,
129 MLX5_EXPANSION_OUTER_IPV4_TCP,
131 .type = RTE_FLOW_ITEM_TYPE_IPV4,
132 .rss_types = ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 |
133 ETH_RSS_NONFRAG_IPV4_OTHER,
135 [MLX5_EXPANSION_OUTER_IPV4_UDP] = {
136 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_VXLAN,
137 MLX5_EXPANSION_VXLAN_GPE),
138 .type = RTE_FLOW_ITEM_TYPE_UDP,
139 .rss_types = ETH_RSS_NONFRAG_IPV4_UDP,
141 [MLX5_EXPANSION_OUTER_IPV4_TCP] = {
142 .type = RTE_FLOW_ITEM_TYPE_TCP,
143 .rss_types = ETH_RSS_NONFRAG_IPV4_TCP,
145 [MLX5_EXPANSION_OUTER_IPV6] = {
146 .next = RTE_FLOW_EXPAND_RSS_NEXT
147 (MLX5_EXPANSION_OUTER_IPV6_UDP,
148 MLX5_EXPANSION_OUTER_IPV6_TCP),
149 .type = RTE_FLOW_ITEM_TYPE_IPV6,
150 .rss_types = ETH_RSS_IPV6 | ETH_RSS_FRAG_IPV6 |
151 ETH_RSS_NONFRAG_IPV6_OTHER,
153 [MLX5_EXPANSION_OUTER_IPV6_UDP] = {
154 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_VXLAN,
155 MLX5_EXPANSION_VXLAN_GPE),
156 .type = RTE_FLOW_ITEM_TYPE_UDP,
157 .rss_types = ETH_RSS_NONFRAG_IPV6_UDP,
159 [MLX5_EXPANSION_OUTER_IPV6_TCP] = {
160 .type = RTE_FLOW_ITEM_TYPE_TCP,
161 .rss_types = ETH_RSS_NONFRAG_IPV6_TCP,
163 [MLX5_EXPANSION_VXLAN] = {
164 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH),
165 .type = RTE_FLOW_ITEM_TYPE_VXLAN,
167 [MLX5_EXPANSION_VXLAN_GPE] = {
168 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH,
170 MLX5_EXPANSION_IPV6),
171 .type = RTE_FLOW_ITEM_TYPE_VXLAN_GPE,
173 [MLX5_EXPANSION_GRE] = {
174 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4),
175 .type = RTE_FLOW_ITEM_TYPE_GRE,
177 [MLX5_EXPANSION_MPLS] = {
178 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4,
179 MLX5_EXPANSION_IPV6),
180 .type = RTE_FLOW_ITEM_TYPE_MPLS,
182 [MLX5_EXPANSION_ETH] = {
183 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4,
184 MLX5_EXPANSION_IPV6),
185 .type = RTE_FLOW_ITEM_TYPE_ETH,
187 [MLX5_EXPANSION_ETH_VLAN] = {
188 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_VLAN),
189 .type = RTE_FLOW_ITEM_TYPE_ETH,
191 [MLX5_EXPANSION_VLAN] = {
192 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4,
193 MLX5_EXPANSION_IPV6),
194 .type = RTE_FLOW_ITEM_TYPE_VLAN,
196 [MLX5_EXPANSION_IPV4] = {
197 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4_UDP,
198 MLX5_EXPANSION_IPV4_TCP),
199 .type = RTE_FLOW_ITEM_TYPE_IPV4,
200 .rss_types = ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 |
201 ETH_RSS_NONFRAG_IPV4_OTHER,
203 [MLX5_EXPANSION_IPV4_UDP] = {
204 .type = RTE_FLOW_ITEM_TYPE_UDP,
205 .rss_types = ETH_RSS_NONFRAG_IPV4_UDP,
207 [MLX5_EXPANSION_IPV4_TCP] = {
208 .type = RTE_FLOW_ITEM_TYPE_TCP,
209 .rss_types = ETH_RSS_NONFRAG_IPV4_TCP,
211 [MLX5_EXPANSION_IPV6] = {
212 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV6_UDP,
213 MLX5_EXPANSION_IPV6_TCP),
214 .type = RTE_FLOW_ITEM_TYPE_IPV6,
215 .rss_types = ETH_RSS_IPV6 | ETH_RSS_FRAG_IPV6 |
216 ETH_RSS_NONFRAG_IPV6_OTHER,
218 [MLX5_EXPANSION_IPV6_UDP] = {
219 .type = RTE_FLOW_ITEM_TYPE_UDP,
220 .rss_types = ETH_RSS_NONFRAG_IPV6_UDP,
222 [MLX5_EXPANSION_IPV6_TCP] = {
223 .type = RTE_FLOW_ITEM_TYPE_TCP,
224 .rss_types = ETH_RSS_NONFRAG_IPV6_TCP,
228 static const struct rte_flow_ops mlx5_flow_ops = {
229 .validate = mlx5_flow_validate,
230 .create = mlx5_flow_create,
231 .destroy = mlx5_flow_destroy,
232 .flush = mlx5_flow_flush,
233 .isolate = mlx5_flow_isolate,
234 .query = mlx5_flow_query,
237 /* Convert FDIR request to Generic flow. */
239 struct rte_flow_attr attr;
240 struct rte_flow_item items[4];
241 struct rte_flow_item_eth l2;
242 struct rte_flow_item_eth l2_mask;
244 struct rte_flow_item_ipv4 ipv4;
245 struct rte_flow_item_ipv6 ipv6;
248 struct rte_flow_item_ipv4 ipv4;
249 struct rte_flow_item_ipv6 ipv6;
252 struct rte_flow_item_udp udp;
253 struct rte_flow_item_tcp tcp;
256 struct rte_flow_item_udp udp;
257 struct rte_flow_item_tcp tcp;
259 struct rte_flow_action actions[2];
260 struct rte_flow_action_queue queue;
263 /* Map of Verbs to Flow priority with 8 Verbs priorities. */
264 static const uint32_t priority_map_3[][MLX5_PRIORITY_MAP_MAX] = {
265 { 0, 1, 2 }, { 2, 3, 4 }, { 5, 6, 7 },
268 /* Map of Verbs to Flow priority with 16 Verbs priorities. */
269 static const uint32_t priority_map_5[][MLX5_PRIORITY_MAP_MAX] = {
270 { 0, 1, 2 }, { 3, 4, 5 }, { 6, 7, 8 },
271 { 9, 10, 11 }, { 12, 13, 14 },
274 /* Tunnel information. */
275 struct mlx5_flow_tunnel_info {
276 uint64_t tunnel; /**< Tunnel bit (see MLX5_FLOW_*). */
277 uint32_t ptype; /**< Tunnel Ptype (see RTE_PTYPE_*). */
280 static struct mlx5_flow_tunnel_info tunnels_info[] = {
282 .tunnel = MLX5_FLOW_LAYER_VXLAN,
283 .ptype = RTE_PTYPE_TUNNEL_VXLAN | RTE_PTYPE_L4_UDP,
286 .tunnel = MLX5_FLOW_LAYER_VXLAN_GPE,
287 .ptype = RTE_PTYPE_TUNNEL_VXLAN_GPE | RTE_PTYPE_L4_UDP,
290 .tunnel = MLX5_FLOW_LAYER_GRE,
291 .ptype = RTE_PTYPE_TUNNEL_GRE,
294 .tunnel = MLX5_FLOW_LAYER_MPLS | MLX5_FLOW_LAYER_OUTER_L4_UDP,
295 .ptype = RTE_PTYPE_TUNNEL_MPLS_IN_UDP | RTE_PTYPE_L4_UDP,
298 .tunnel = MLX5_FLOW_LAYER_MPLS,
299 .ptype = RTE_PTYPE_TUNNEL_MPLS_IN_GRE,
304 * Discover the maximum number of priority available.
307 * Pointer to the Ethernet device structure.
310 * number of supported flow priority on success, a negative errno
311 * value otherwise and rte_errno is set.
314 mlx5_flow_discover_priorities(struct rte_eth_dev *dev)
316 struct mlx5_priv *priv = dev->data->dev_private;
318 struct ibv_flow_attr attr;
319 struct ibv_flow_spec_eth eth;
320 struct ibv_flow_spec_action_drop drop;
324 .port = (uint8_t)priv->ibv_port,
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));
353 mlx5_hrxq_drop_release(dev);
356 priority = RTE_DIM(priority_map_3);
359 priority = RTE_DIM(priority_map_5);
364 "port %u verbs maximum priority: %d expected 8/16",
365 dev->data->port_id, priority);
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 mlx5_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, uint64_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 devive
532 * Pointer to the Ethernet device structure.
533 * @param[in] dev_flow
534 * Pointer to device flow structure.
537 flow_drv_rxq_flags_set(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow)
539 struct mlx5_priv *priv = dev->data->dev_private;
540 struct rte_flow *flow = dev_flow->flow;
541 const int mark = !!(flow->actions &
542 (MLX5_FLOW_ACTION_FLAG | MLX5_FLOW_ACTION_MARK));
543 const int tunnel = !!(dev_flow->layers & MLX5_FLOW_LAYER_TUNNEL);
546 for (i = 0; i != flow->rss.queue_num; ++i) {
547 int idx = (*flow->queue)[i];
548 struct mlx5_rxq_ctrl *rxq_ctrl =
549 container_of((*priv->rxqs)[idx],
550 struct mlx5_rxq_ctrl, rxq);
553 rxq_ctrl->rxq.mark = 1;
554 rxq_ctrl->flow_mark_n++;
559 /* Increase the counter matching the flow. */
560 for (j = 0; j != MLX5_FLOW_TUNNEL; ++j) {
561 if ((tunnels_info[j].tunnel &
563 tunnels_info[j].tunnel) {
564 rxq_ctrl->flow_tunnels_n[j]++;
568 flow_rxq_tunnel_ptype_update(rxq_ctrl);
574 * Set the Rx queue flags (Mark/Flag and Tunnel Ptypes) for a flow
577 * Pointer to the Ethernet device structure.
579 * Pointer to flow structure.
582 flow_rxq_flags_set(struct rte_eth_dev *dev, struct rte_flow *flow)
584 struct mlx5_flow *dev_flow;
586 LIST_FOREACH(dev_flow, &flow->dev_flows, next)
587 flow_drv_rxq_flags_set(dev, dev_flow);
591 * Clear the Rx queue flags (Mark/Flag and Tunnel Ptype) associated with the
592 * device flow if no other flow uses it with the same kind of request.
595 * Pointer to Ethernet device.
596 * @param[in] dev_flow
597 * Pointer to the device flow.
600 flow_drv_rxq_flags_trim(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow)
602 struct mlx5_priv *priv = dev->data->dev_private;
603 struct rte_flow *flow = dev_flow->flow;
604 const int mark = !!(flow->actions &
605 (MLX5_FLOW_ACTION_FLAG | MLX5_FLOW_ACTION_MARK));
606 const int tunnel = !!(dev_flow->layers & MLX5_FLOW_LAYER_TUNNEL);
609 assert(dev->data->dev_started);
610 for (i = 0; i != flow->rss.queue_num; ++i) {
611 int idx = (*flow->queue)[i];
612 struct mlx5_rxq_ctrl *rxq_ctrl =
613 container_of((*priv->rxqs)[idx],
614 struct mlx5_rxq_ctrl, rxq);
617 rxq_ctrl->flow_mark_n--;
618 rxq_ctrl->rxq.mark = !!rxq_ctrl->flow_mark_n;
623 /* Decrease the counter matching the flow. */
624 for (j = 0; j != MLX5_FLOW_TUNNEL; ++j) {
625 if ((tunnels_info[j].tunnel &
627 tunnels_info[j].tunnel) {
628 rxq_ctrl->flow_tunnels_n[j]--;
632 flow_rxq_tunnel_ptype_update(rxq_ctrl);
638 * Clear the Rx queue flags (Mark/Flag and Tunnel Ptype) associated with the
639 * @p flow if no other flow uses it with the same kind of request.
642 * Pointer to Ethernet device.
644 * Pointer to the flow.
647 flow_rxq_flags_trim(struct rte_eth_dev *dev, struct rte_flow *flow)
649 struct mlx5_flow *dev_flow;
651 LIST_FOREACH(dev_flow, &flow->dev_flows, next)
652 flow_drv_rxq_flags_trim(dev, dev_flow);
656 * Clear the Mark/Flag and Tunnel ptype information in all Rx queues.
659 * Pointer to Ethernet device.
662 flow_rxq_flags_clear(struct rte_eth_dev *dev)
664 struct mlx5_priv *priv = dev->data->dev_private;
667 for (i = 0; i != priv->rxqs_n; ++i) {
668 struct mlx5_rxq_ctrl *rxq_ctrl;
671 if (!(*priv->rxqs)[i])
673 rxq_ctrl = container_of((*priv->rxqs)[i],
674 struct mlx5_rxq_ctrl, rxq);
675 rxq_ctrl->flow_mark_n = 0;
676 rxq_ctrl->rxq.mark = 0;
677 for (j = 0; j != MLX5_FLOW_TUNNEL; ++j)
678 rxq_ctrl->flow_tunnels_n[j] = 0;
679 rxq_ctrl->rxq.tunnel = 0;
684 * Validate the flag action.
686 * @param[in] action_flags
687 * Bit-fields that holds the actions detected until now.
689 * Attributes of flow that includes this action.
691 * Pointer to error structure.
694 * 0 on success, a negative errno value otherwise and rte_errno is set.
697 mlx5_flow_validate_action_flag(uint64_t action_flags,
698 const struct rte_flow_attr *attr,
699 struct rte_flow_error *error)
702 if (action_flags & MLX5_FLOW_ACTION_DROP)
703 return rte_flow_error_set(error, EINVAL,
704 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
705 "can't drop and flag in same flow");
706 if (action_flags & MLX5_FLOW_ACTION_MARK)
707 return rte_flow_error_set(error, EINVAL,
708 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
709 "can't mark and flag in same flow");
710 if (action_flags & MLX5_FLOW_ACTION_FLAG)
711 return rte_flow_error_set(error, EINVAL,
712 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
714 " actions in same flow");
716 return rte_flow_error_set(error, ENOTSUP,
717 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
718 "flag action not supported for "
724 * Validate the mark action.
727 * Pointer to the queue action.
728 * @param[in] action_flags
729 * Bit-fields that holds the actions detected until now.
731 * Attributes of flow that includes this action.
733 * Pointer to error structure.
736 * 0 on success, a negative errno value otherwise and rte_errno is set.
739 mlx5_flow_validate_action_mark(const struct rte_flow_action *action,
740 uint64_t action_flags,
741 const struct rte_flow_attr *attr,
742 struct rte_flow_error *error)
744 const struct rte_flow_action_mark *mark = action->conf;
747 return rte_flow_error_set(error, EINVAL,
748 RTE_FLOW_ERROR_TYPE_ACTION,
750 "configuration cannot be null");
751 if (mark->id >= MLX5_FLOW_MARK_MAX)
752 return rte_flow_error_set(error, EINVAL,
753 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
755 "mark id must in 0 <= id < "
756 RTE_STR(MLX5_FLOW_MARK_MAX));
757 if (action_flags & MLX5_FLOW_ACTION_DROP)
758 return rte_flow_error_set(error, EINVAL,
759 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
760 "can't drop and mark in same flow");
761 if (action_flags & MLX5_FLOW_ACTION_FLAG)
762 return rte_flow_error_set(error, EINVAL,
763 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
764 "can't flag and mark in same flow");
765 if (action_flags & MLX5_FLOW_ACTION_MARK)
766 return rte_flow_error_set(error, EINVAL,
767 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
768 "can't have 2 mark actions in same"
771 return rte_flow_error_set(error, ENOTSUP,
772 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
773 "mark action not supported for "
779 * Validate the drop action.
781 * @param[in] action_flags
782 * Bit-fields that holds the actions detected until now.
784 * Attributes of flow that includes this action.
786 * Pointer to error structure.
789 * 0 on success, a negative errno value otherwise and rte_errno is set.
792 mlx5_flow_validate_action_drop(uint64_t action_flags,
793 const struct rte_flow_attr *attr,
794 struct rte_flow_error *error)
796 if (action_flags & MLX5_FLOW_ACTION_FLAG)
797 return rte_flow_error_set(error, EINVAL,
798 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
799 "can't drop and flag in same flow");
800 if (action_flags & MLX5_FLOW_ACTION_MARK)
801 return rte_flow_error_set(error, EINVAL,
802 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
803 "can't drop and mark in same flow");
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"
810 return rte_flow_error_set(error, ENOTSUP,
811 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
812 "drop action not supported for "
818 * Validate the queue action.
821 * Pointer to the queue action.
822 * @param[in] action_flags
823 * Bit-fields that holds the actions detected until now.
825 * Pointer to the Ethernet device structure.
827 * Attributes of flow that includes this action.
829 * Pointer to error structure.
832 * 0 on success, a negative errno value otherwise and rte_errno is set.
835 mlx5_flow_validate_action_queue(const struct rte_flow_action *action,
836 uint64_t action_flags,
837 struct rte_eth_dev *dev,
838 const struct rte_flow_attr *attr,
839 struct rte_flow_error *error)
841 struct mlx5_priv *priv = dev->data->dev_private;
842 const struct rte_flow_action_queue *queue = action->conf;
844 if (action_flags & MLX5_FLOW_FATE_ACTIONS)
845 return rte_flow_error_set(error, EINVAL,
846 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
847 "can't have 2 fate actions in"
850 return rte_flow_error_set(error, EINVAL,
851 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
852 NULL, "No Rx queues configured");
853 if (queue->index >= priv->rxqs_n)
854 return rte_flow_error_set(error, EINVAL,
855 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
857 "queue index out of range");
858 if (!(*priv->rxqs)[queue->index])
859 return rte_flow_error_set(error, EINVAL,
860 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
862 "queue is not configured");
864 return rte_flow_error_set(error, ENOTSUP,
865 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
866 "queue action not supported for "
872 * Validate the rss action.
875 * Pointer to the queue action.
876 * @param[in] action_flags
877 * Bit-fields that holds the actions detected until now.
879 * Pointer to the Ethernet device structure.
881 * Attributes of flow that includes this action.
882 * @param[in] item_flags
883 * Items that were detected.
885 * Pointer to error structure.
888 * 0 on success, a negative errno value otherwise and rte_errno is set.
891 mlx5_flow_validate_action_rss(const struct rte_flow_action *action,
892 uint64_t action_flags,
893 struct rte_eth_dev *dev,
894 const struct rte_flow_attr *attr,
896 struct rte_flow_error *error)
898 struct mlx5_priv *priv = dev->data->dev_private;
899 const struct rte_flow_action_rss *rss = action->conf;
900 int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
903 if (action_flags & MLX5_FLOW_FATE_ACTIONS)
904 return rte_flow_error_set(error, EINVAL,
905 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
906 "can't have 2 fate actions"
908 if (rss->func != RTE_ETH_HASH_FUNCTION_DEFAULT &&
909 rss->func != RTE_ETH_HASH_FUNCTION_TOEPLITZ)
910 return rte_flow_error_set(error, ENOTSUP,
911 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
913 "RSS hash function not supported");
914 #ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
919 return rte_flow_error_set(error, ENOTSUP,
920 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
922 "tunnel RSS is not supported");
923 /* allow RSS key_len 0 in case of NULL (default) RSS key. */
924 if (rss->key_len == 0 && rss->key != NULL)
925 return rte_flow_error_set(error, ENOTSUP,
926 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
928 "RSS hash key length 0");
929 if (rss->key_len > 0 && rss->key_len < MLX5_RSS_HASH_KEY_LEN)
930 return rte_flow_error_set(error, ENOTSUP,
931 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
933 "RSS hash key too small");
934 if (rss->key_len > MLX5_RSS_HASH_KEY_LEN)
935 return rte_flow_error_set(error, ENOTSUP,
936 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
938 "RSS hash key too large");
939 if (rss->queue_num > priv->config.ind_table_max_size)
940 return rte_flow_error_set(error, ENOTSUP,
941 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
943 "number of queues too large");
944 if (rss->types & MLX5_RSS_HF_MASK)
945 return rte_flow_error_set(error, ENOTSUP,
946 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
948 "some RSS protocols are not"
951 return rte_flow_error_set(error, EINVAL,
952 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
953 NULL, "No Rx queues configured");
955 return rte_flow_error_set(error, EINVAL,
956 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
957 NULL, "No queues configured");
958 for (i = 0; i != rss->queue_num; ++i) {
959 if (!(*priv->rxqs)[rss->queue[i]])
960 return rte_flow_error_set
961 (error, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION_CONF,
962 &rss->queue[i], "queue is not configured");
965 return rte_flow_error_set(error, ENOTSUP,
966 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
967 "rss action not supported for "
969 if (rss->level > 1 && !tunnel)
970 return rte_flow_error_set(error, EINVAL,
971 RTE_FLOW_ERROR_TYPE_ACTION_CONF, NULL,
972 "inner RSS is not supported for "
978 * Validate the count action.
981 * Pointer to the Ethernet device structure.
983 * Attributes of flow that includes this action.
985 * Pointer to error structure.
988 * 0 on success, a negative errno value otherwise and rte_errno is set.
991 mlx5_flow_validate_action_count(struct rte_eth_dev *dev __rte_unused,
992 const struct rte_flow_attr *attr,
993 struct rte_flow_error *error)
996 return rte_flow_error_set(error, ENOTSUP,
997 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
998 "count action not supported for "
1004 * Verify the @p attributes will be correctly understood by the NIC and store
1005 * them in the @p flow if everything is correct.
1008 * Pointer to the Ethernet device structure.
1009 * @param[in] attributes
1010 * Pointer to flow attributes
1012 * Pointer to error structure.
1015 * 0 on success, a negative errno value otherwise and rte_errno is set.
1018 mlx5_flow_validate_attributes(struct rte_eth_dev *dev,
1019 const struct rte_flow_attr *attributes,
1020 struct rte_flow_error *error)
1022 struct mlx5_priv *priv = dev->data->dev_private;
1023 uint32_t priority_max = priv->config.flow_prio - 1;
1025 if (attributes->group)
1026 return rte_flow_error_set(error, ENOTSUP,
1027 RTE_FLOW_ERROR_TYPE_ATTR_GROUP,
1028 NULL, "groups is not supported");
1029 if (attributes->priority != MLX5_FLOW_PRIO_RSVD &&
1030 attributes->priority >= priority_max)
1031 return rte_flow_error_set(error, ENOTSUP,
1032 RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
1033 NULL, "priority out of range");
1034 if (attributes->egress)
1035 return rte_flow_error_set(error, ENOTSUP,
1036 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
1037 "egress is not supported");
1038 if (attributes->transfer && !priv->config.dv_esw_en)
1039 return rte_flow_error_set(error, ENOTSUP,
1040 RTE_FLOW_ERROR_TYPE_ATTR_TRANSFER,
1041 NULL, "transfer is not supported");
1042 if (!attributes->ingress)
1043 return rte_flow_error_set(error, EINVAL,
1044 RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
1046 "ingress attribute is mandatory");
1051 * Validate ICMP6 item.
1054 * Item specification.
1055 * @param[in] item_flags
1056 * Bit-fields that holds the items detected until now.
1058 * Pointer to error structure.
1061 * 0 on success, a negative errno value otherwise and rte_errno is set.
1064 mlx5_flow_validate_item_icmp6(const struct rte_flow_item *item,
1065 uint64_t item_flags,
1066 uint8_t target_protocol,
1067 struct rte_flow_error *error)
1069 const struct rte_flow_item_icmp6 *mask = item->mask;
1070 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
1071 const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV6 :
1072 MLX5_FLOW_LAYER_OUTER_L3_IPV6;
1073 const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
1074 MLX5_FLOW_LAYER_OUTER_L4;
1077 if (target_protocol != 0xFF && target_protocol != IPPROTO_ICMPV6)
1078 return rte_flow_error_set(error, EINVAL,
1079 RTE_FLOW_ERROR_TYPE_ITEM, item,
1080 "protocol filtering not compatible"
1081 " with ICMP6 layer");
1082 if (!(item_flags & l3m))
1083 return rte_flow_error_set(error, EINVAL,
1084 RTE_FLOW_ERROR_TYPE_ITEM, item,
1085 "IPv6 is mandatory to filter on"
1087 if (item_flags & l4m)
1088 return rte_flow_error_set(error, EINVAL,
1089 RTE_FLOW_ERROR_TYPE_ITEM, item,
1090 "multiple L4 layers not supported");
1092 mask = &rte_flow_item_icmp6_mask;
1093 ret = mlx5_flow_item_acceptable
1094 (item, (const uint8_t *)mask,
1095 (const uint8_t *)&rte_flow_item_icmp6_mask,
1096 sizeof(struct rte_flow_item_icmp6), error);
1103 * Validate ICMP item.
1106 * Item specification.
1107 * @param[in] item_flags
1108 * Bit-fields that holds the items detected until now.
1110 * Pointer to error structure.
1113 * 0 on success, a negative errno value otherwise and rte_errno is set.
1116 mlx5_flow_validate_item_icmp(const struct rte_flow_item *item,
1117 uint64_t item_flags,
1118 uint8_t target_protocol,
1119 struct rte_flow_error *error)
1121 const struct rte_flow_item_icmp *mask = item->mask;
1122 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
1123 const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV4 :
1124 MLX5_FLOW_LAYER_OUTER_L3_IPV4;
1125 const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
1126 MLX5_FLOW_LAYER_OUTER_L4;
1129 if (target_protocol != 0xFF && target_protocol != IPPROTO_ICMP)
1130 return rte_flow_error_set(error, EINVAL,
1131 RTE_FLOW_ERROR_TYPE_ITEM, item,
1132 "protocol filtering not compatible"
1133 " with ICMP layer");
1134 if (!(item_flags & l3m))
1135 return rte_flow_error_set(error, EINVAL,
1136 RTE_FLOW_ERROR_TYPE_ITEM, item,
1137 "IPv4 is mandatory to filter"
1139 if (item_flags & l4m)
1140 return rte_flow_error_set(error, EINVAL,
1141 RTE_FLOW_ERROR_TYPE_ITEM, item,
1142 "multiple L4 layers not supported");
1144 mask = &rte_flow_item_icmp_mask;
1145 ret = mlx5_flow_item_acceptable
1146 (item, (const uint8_t *)mask,
1147 (const uint8_t *)&rte_flow_item_icmp_mask,
1148 sizeof(struct rte_flow_item_icmp), error);
1155 * Validate Ethernet item.
1158 * Item specification.
1159 * @param[in] item_flags
1160 * Bit-fields that holds the items detected until now.
1162 * Pointer to error structure.
1165 * 0 on success, a negative errno value otherwise and rte_errno is set.
1168 mlx5_flow_validate_item_eth(const struct rte_flow_item *item,
1169 uint64_t item_flags,
1170 struct rte_flow_error *error)
1172 const struct rte_flow_item_eth *mask = item->mask;
1173 const struct rte_flow_item_eth nic_mask = {
1174 .dst.addr_bytes = "\xff\xff\xff\xff\xff\xff",
1175 .src.addr_bytes = "\xff\xff\xff\xff\xff\xff",
1176 .type = RTE_BE16(0xffff),
1179 int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
1180 const uint64_t ethm = tunnel ? MLX5_FLOW_LAYER_INNER_L2 :
1181 MLX5_FLOW_LAYER_OUTER_L2;
1183 if (item_flags & ethm)
1184 return rte_flow_error_set(error, ENOTSUP,
1185 RTE_FLOW_ERROR_TYPE_ITEM, item,
1186 "multiple L2 layers not supported");
1188 mask = &rte_flow_item_eth_mask;
1189 ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
1190 (const uint8_t *)&nic_mask,
1191 sizeof(struct rte_flow_item_eth),
1197 * Validate VLAN item.
1200 * Item specification.
1201 * @param[in] item_flags
1202 * Bit-fields that holds the items detected until now.
1204 * Pointer to error structure.
1207 * 0 on success, a negative errno value otherwise and rte_errno is set.
1210 mlx5_flow_validate_item_vlan(const struct rte_flow_item *item,
1211 uint64_t item_flags,
1212 struct rte_flow_error *error)
1214 const struct rte_flow_item_vlan *spec = item->spec;
1215 const struct rte_flow_item_vlan *mask = item->mask;
1216 const struct rte_flow_item_vlan nic_mask = {
1217 .tci = RTE_BE16(0x0fff),
1218 .inner_type = RTE_BE16(0xffff),
1220 uint16_t vlan_tag = 0;
1221 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
1223 const uint64_t l34m = tunnel ? (MLX5_FLOW_LAYER_INNER_L3 |
1224 MLX5_FLOW_LAYER_INNER_L4) :
1225 (MLX5_FLOW_LAYER_OUTER_L3 |
1226 MLX5_FLOW_LAYER_OUTER_L4);
1227 const uint64_t vlanm = tunnel ? MLX5_FLOW_LAYER_INNER_VLAN :
1228 MLX5_FLOW_LAYER_OUTER_VLAN;
1230 if (item_flags & vlanm)
1231 return rte_flow_error_set(error, EINVAL,
1232 RTE_FLOW_ERROR_TYPE_ITEM, item,
1233 "multiple VLAN layers not supported");
1234 else if ((item_flags & l34m) != 0)
1235 return rte_flow_error_set(error, EINVAL,
1236 RTE_FLOW_ERROR_TYPE_ITEM, item,
1237 "L2 layer cannot follow L3/L4 layer");
1239 mask = &rte_flow_item_vlan_mask;
1240 ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
1241 (const uint8_t *)&nic_mask,
1242 sizeof(struct rte_flow_item_vlan),
1247 vlan_tag = spec->tci;
1248 vlan_tag &= mask->tci;
1251 * From verbs perspective an empty VLAN is equivalent
1252 * to a packet without VLAN layer.
1255 return rte_flow_error_set(error, EINVAL,
1256 RTE_FLOW_ERROR_TYPE_ITEM_SPEC,
1258 "VLAN cannot be empty");
1263 * Validate IPV4 item.
1266 * Item specification.
1267 * @param[in] item_flags
1268 * Bit-fields that holds the items detected until now.
1269 * @param[in] acc_mask
1270 * Acceptable mask, if NULL default internal default mask
1271 * will be used to check whether item fields are supported.
1273 * Pointer to error structure.
1276 * 0 on success, a negative errno value otherwise and rte_errno is set.
1279 mlx5_flow_validate_item_ipv4(const struct rte_flow_item *item,
1280 uint64_t item_flags,
1281 const struct rte_flow_item_ipv4 *acc_mask,
1282 struct rte_flow_error *error)
1284 const struct rte_flow_item_ipv4 *mask = item->mask;
1285 const struct rte_flow_item_ipv4 nic_mask = {
1287 .src_addr = RTE_BE32(0xffffffff),
1288 .dst_addr = RTE_BE32(0xffffffff),
1289 .type_of_service = 0xff,
1290 .next_proto_id = 0xff,
1293 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
1294 const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
1295 MLX5_FLOW_LAYER_OUTER_L3;
1296 const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
1297 MLX5_FLOW_LAYER_OUTER_L4;
1300 if (item_flags & l3m)
1301 return rte_flow_error_set(error, ENOTSUP,
1302 RTE_FLOW_ERROR_TYPE_ITEM, item,
1303 "multiple L3 layers not supported");
1304 else if (item_flags & l4m)
1305 return rte_flow_error_set(error, EINVAL,
1306 RTE_FLOW_ERROR_TYPE_ITEM, item,
1307 "L3 cannot follow an L4 layer.");
1309 mask = &rte_flow_item_ipv4_mask;
1310 else if (mask->hdr.next_proto_id != 0 &&
1311 mask->hdr.next_proto_id != 0xff)
1312 return rte_flow_error_set(error, EINVAL,
1313 RTE_FLOW_ERROR_TYPE_ITEM_MASK, mask,
1314 "partial mask is not supported"
1316 ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
1317 acc_mask ? (const uint8_t *)acc_mask
1318 : (const uint8_t *)&nic_mask,
1319 sizeof(struct rte_flow_item_ipv4),
1327 * Validate IPV6 item.
1330 * Item specification.
1331 * @param[in] item_flags
1332 * Bit-fields that holds the items detected until now.
1333 * @param[in] acc_mask
1334 * Acceptable mask, if NULL default internal default mask
1335 * will be used to check whether item fields are supported.
1337 * Pointer to error structure.
1340 * 0 on success, a negative errno value otherwise and rte_errno is set.
1343 mlx5_flow_validate_item_ipv6(const struct rte_flow_item *item,
1344 uint64_t item_flags,
1345 const struct rte_flow_item_ipv6 *acc_mask,
1346 struct rte_flow_error *error)
1348 const struct rte_flow_item_ipv6 *mask = item->mask;
1349 const struct rte_flow_item_ipv6 nic_mask = {
1352 "\xff\xff\xff\xff\xff\xff\xff\xff"
1353 "\xff\xff\xff\xff\xff\xff\xff\xff",
1355 "\xff\xff\xff\xff\xff\xff\xff\xff"
1356 "\xff\xff\xff\xff\xff\xff\xff\xff",
1357 .vtc_flow = RTE_BE32(0xffffffff),
1362 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
1363 const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
1364 MLX5_FLOW_LAYER_OUTER_L3;
1365 const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
1366 MLX5_FLOW_LAYER_OUTER_L4;
1369 if (item_flags & l3m)
1370 return rte_flow_error_set(error, ENOTSUP,
1371 RTE_FLOW_ERROR_TYPE_ITEM, item,
1372 "multiple L3 layers not supported");
1373 else if (item_flags & l4m)
1374 return rte_flow_error_set(error, EINVAL,
1375 RTE_FLOW_ERROR_TYPE_ITEM, item,
1376 "L3 cannot follow an L4 layer.");
1378 mask = &rte_flow_item_ipv6_mask;
1379 ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
1380 acc_mask ? (const uint8_t *)acc_mask
1381 : (const uint8_t *)&nic_mask,
1382 sizeof(struct rte_flow_item_ipv6),
1390 * Validate UDP item.
1393 * Item specification.
1394 * @param[in] item_flags
1395 * Bit-fields that holds the items detected until now.
1396 * @param[in] target_protocol
1397 * The next protocol in the previous item.
1398 * @param[in] flow_mask
1399 * mlx5 flow-specific (DV, verbs, etc.) supported header fields mask.
1401 * Pointer to error structure.
1404 * 0 on success, a negative errno value otherwise and rte_errno is set.
1407 mlx5_flow_validate_item_udp(const struct rte_flow_item *item,
1408 uint64_t item_flags,
1409 uint8_t target_protocol,
1410 struct rte_flow_error *error)
1412 const struct rte_flow_item_udp *mask = item->mask;
1413 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
1414 const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
1415 MLX5_FLOW_LAYER_OUTER_L3;
1416 const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
1417 MLX5_FLOW_LAYER_OUTER_L4;
1420 if (target_protocol != 0xff && target_protocol != IPPROTO_UDP)
1421 return rte_flow_error_set(error, EINVAL,
1422 RTE_FLOW_ERROR_TYPE_ITEM, item,
1423 "protocol filtering not compatible"
1425 if (!(item_flags & l3m))
1426 return rte_flow_error_set(error, EINVAL,
1427 RTE_FLOW_ERROR_TYPE_ITEM, item,
1428 "L3 is mandatory to filter on L4");
1429 if (item_flags & l4m)
1430 return rte_flow_error_set(error, EINVAL,
1431 RTE_FLOW_ERROR_TYPE_ITEM, item,
1432 "multiple L4 layers not supported");
1434 mask = &rte_flow_item_udp_mask;
1435 ret = mlx5_flow_item_acceptable
1436 (item, (const uint8_t *)mask,
1437 (const uint8_t *)&rte_flow_item_udp_mask,
1438 sizeof(struct rte_flow_item_udp), error);
1445 * Validate TCP item.
1448 * Item specification.
1449 * @param[in] item_flags
1450 * Bit-fields that holds the items detected until now.
1451 * @param[in] target_protocol
1452 * The next protocol in the previous item.
1454 * Pointer to error structure.
1457 * 0 on success, a negative errno value otherwise and rte_errno is set.
1460 mlx5_flow_validate_item_tcp(const struct rte_flow_item *item,
1461 uint64_t item_flags,
1462 uint8_t target_protocol,
1463 const struct rte_flow_item_tcp *flow_mask,
1464 struct rte_flow_error *error)
1466 const struct rte_flow_item_tcp *mask = item->mask;
1467 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
1468 const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
1469 MLX5_FLOW_LAYER_OUTER_L3;
1470 const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
1471 MLX5_FLOW_LAYER_OUTER_L4;
1475 if (target_protocol != 0xff && target_protocol != IPPROTO_TCP)
1476 return rte_flow_error_set(error, EINVAL,
1477 RTE_FLOW_ERROR_TYPE_ITEM, item,
1478 "protocol filtering not compatible"
1480 if (!(item_flags & l3m))
1481 return rte_flow_error_set(error, EINVAL,
1482 RTE_FLOW_ERROR_TYPE_ITEM, item,
1483 "L3 is mandatory to filter on L4");
1484 if (item_flags & l4m)
1485 return rte_flow_error_set(error, EINVAL,
1486 RTE_FLOW_ERROR_TYPE_ITEM, item,
1487 "multiple L4 layers not supported");
1489 mask = &rte_flow_item_tcp_mask;
1490 ret = mlx5_flow_item_acceptable
1491 (item, (const uint8_t *)mask,
1492 (const uint8_t *)flow_mask,
1493 sizeof(struct rte_flow_item_tcp), error);
1500 * Validate VXLAN item.
1503 * Item specification.
1504 * @param[in] item_flags
1505 * Bit-fields that holds the items detected until now.
1506 * @param[in] target_protocol
1507 * The next protocol in the previous item.
1509 * Pointer to error structure.
1512 * 0 on success, a negative errno value otherwise and rte_errno is set.
1515 mlx5_flow_validate_item_vxlan(const struct rte_flow_item *item,
1516 uint64_t item_flags,
1517 struct rte_flow_error *error)
1519 const struct rte_flow_item_vxlan *spec = item->spec;
1520 const struct rte_flow_item_vxlan *mask = item->mask;
1525 } id = { .vlan_id = 0, };
1526 uint32_t vlan_id = 0;
1529 if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
1530 return rte_flow_error_set(error, ENOTSUP,
1531 RTE_FLOW_ERROR_TYPE_ITEM, item,
1532 "multiple tunnel layers not"
1535 * Verify only UDPv4 is present as defined in
1536 * https://tools.ietf.org/html/rfc7348
1538 if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L4_UDP))
1539 return rte_flow_error_set(error, EINVAL,
1540 RTE_FLOW_ERROR_TYPE_ITEM, item,
1541 "no outer UDP layer found");
1543 mask = &rte_flow_item_vxlan_mask;
1544 ret = mlx5_flow_item_acceptable
1545 (item, (const uint8_t *)mask,
1546 (const uint8_t *)&rte_flow_item_vxlan_mask,
1547 sizeof(struct rte_flow_item_vxlan),
1552 memcpy(&id.vni[1], spec->vni, 3);
1553 vlan_id = id.vlan_id;
1554 memcpy(&id.vni[1], mask->vni, 3);
1555 vlan_id &= id.vlan_id;
1558 * Tunnel id 0 is equivalent as not adding a VXLAN layer, if
1559 * only this layer is defined in the Verbs specification it is
1560 * interpreted as wildcard and all packets will match this
1561 * rule, if it follows a full stack layer (ex: eth / ipv4 /
1562 * udp), all packets matching the layers before will also
1563 * match this rule. To avoid such situation, VNI 0 is
1564 * currently refused.
1567 return rte_flow_error_set(error, ENOTSUP,
1568 RTE_FLOW_ERROR_TYPE_ITEM, item,
1569 "VXLAN vni cannot be 0");
1570 if (!(item_flags & MLX5_FLOW_LAYER_OUTER))
1571 return rte_flow_error_set(error, ENOTSUP,
1572 RTE_FLOW_ERROR_TYPE_ITEM, item,
1573 "VXLAN tunnel must be fully defined");
1578 * Validate VXLAN_GPE item.
1581 * Item specification.
1582 * @param[in] item_flags
1583 * Bit-fields that holds the items detected until now.
1585 * Pointer to the private data structure.
1586 * @param[in] target_protocol
1587 * The next protocol in the previous item.
1589 * Pointer to error structure.
1592 * 0 on success, a negative errno value otherwise and rte_errno is set.
1595 mlx5_flow_validate_item_vxlan_gpe(const struct rte_flow_item *item,
1596 uint64_t item_flags,
1597 struct rte_eth_dev *dev,
1598 struct rte_flow_error *error)
1600 struct mlx5_priv *priv = dev->data->dev_private;
1601 const struct rte_flow_item_vxlan_gpe *spec = item->spec;
1602 const struct rte_flow_item_vxlan_gpe *mask = item->mask;
1607 } id = { .vlan_id = 0, };
1608 uint32_t vlan_id = 0;
1610 if (!priv->config.l3_vxlan_en)
1611 return rte_flow_error_set(error, ENOTSUP,
1612 RTE_FLOW_ERROR_TYPE_ITEM, item,
1613 "L3 VXLAN is not enabled by device"
1614 " parameter and/or not configured in"
1616 if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
1617 return rte_flow_error_set(error, ENOTSUP,
1618 RTE_FLOW_ERROR_TYPE_ITEM, item,
1619 "multiple tunnel layers not"
1622 * Verify only UDPv4 is present as defined in
1623 * https://tools.ietf.org/html/rfc7348
1625 if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L4_UDP))
1626 return rte_flow_error_set(error, EINVAL,
1627 RTE_FLOW_ERROR_TYPE_ITEM, item,
1628 "no outer UDP layer found");
1630 mask = &rte_flow_item_vxlan_gpe_mask;
1631 ret = mlx5_flow_item_acceptable
1632 (item, (const uint8_t *)mask,
1633 (const uint8_t *)&rte_flow_item_vxlan_gpe_mask,
1634 sizeof(struct rte_flow_item_vxlan_gpe),
1640 return rte_flow_error_set(error, ENOTSUP,
1641 RTE_FLOW_ERROR_TYPE_ITEM,
1643 "VxLAN-GPE protocol"
1645 memcpy(&id.vni[1], spec->vni, 3);
1646 vlan_id = id.vlan_id;
1647 memcpy(&id.vni[1], mask->vni, 3);
1648 vlan_id &= id.vlan_id;
1651 * Tunnel id 0 is equivalent as not adding a VXLAN layer, if only this
1652 * layer is defined in the Verbs specification it is interpreted as
1653 * wildcard and all packets will match this rule, if it follows a full
1654 * stack layer (ex: eth / ipv4 / udp), all packets matching the layers
1655 * before will also match this rule. To avoid such situation, VNI 0
1656 * is currently refused.
1659 return rte_flow_error_set(error, ENOTSUP,
1660 RTE_FLOW_ERROR_TYPE_ITEM, item,
1661 "VXLAN-GPE vni cannot be 0");
1662 if (!(item_flags & MLX5_FLOW_LAYER_OUTER))
1663 return rte_flow_error_set(error, ENOTSUP,
1664 RTE_FLOW_ERROR_TYPE_ITEM, item,
1665 "VXLAN-GPE tunnel must be fully"
1671 * Validate GRE item.
1674 * Item specification.
1675 * @param[in] item_flags
1676 * Bit flags to mark detected items.
1677 * @param[in] target_protocol
1678 * The next protocol in the previous item.
1680 * Pointer to error structure.
1683 * 0 on success, a negative errno value otherwise and rte_errno is set.
1686 mlx5_flow_validate_item_gre(const struct rte_flow_item *item,
1687 uint64_t item_flags,
1688 uint8_t target_protocol,
1689 struct rte_flow_error *error)
1691 const struct rte_flow_item_gre *spec __rte_unused = item->spec;
1692 const struct rte_flow_item_gre *mask = item->mask;
1695 if (target_protocol != 0xff && target_protocol != IPPROTO_GRE)
1696 return rte_flow_error_set(error, EINVAL,
1697 RTE_FLOW_ERROR_TYPE_ITEM, item,
1698 "protocol filtering not compatible"
1699 " with this GRE layer");
1700 if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
1701 return rte_flow_error_set(error, ENOTSUP,
1702 RTE_FLOW_ERROR_TYPE_ITEM, item,
1703 "multiple tunnel layers not"
1705 if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L3))
1706 return rte_flow_error_set(error, ENOTSUP,
1707 RTE_FLOW_ERROR_TYPE_ITEM, item,
1708 "L3 Layer is missing");
1710 mask = &rte_flow_item_gre_mask;
1711 ret = mlx5_flow_item_acceptable
1712 (item, (const uint8_t *)mask,
1713 (const uint8_t *)&rte_flow_item_gre_mask,
1714 sizeof(struct rte_flow_item_gre), error);
1717 #ifndef HAVE_IBV_DEVICE_MPLS_SUPPORT
1718 if (spec && (spec->protocol & mask->protocol))
1719 return rte_flow_error_set(error, ENOTSUP,
1720 RTE_FLOW_ERROR_TYPE_ITEM, item,
1721 "without MPLS support the"
1722 " specification cannot be used for"
1729 * Validate MPLS item.
1732 * Pointer to the rte_eth_dev structure.
1734 * Item specification.
1735 * @param[in] item_flags
1736 * Bit-fields that holds the items detected until now.
1737 * @param[in] prev_layer
1738 * The protocol layer indicated in previous item.
1740 * Pointer to error structure.
1743 * 0 on success, a negative errno value otherwise and rte_errno is set.
1746 mlx5_flow_validate_item_mpls(struct rte_eth_dev *dev __rte_unused,
1747 const struct rte_flow_item *item __rte_unused,
1748 uint64_t item_flags __rte_unused,
1749 uint64_t prev_layer __rte_unused,
1750 struct rte_flow_error *error)
1752 #ifdef HAVE_IBV_DEVICE_MPLS_SUPPORT
1753 const struct rte_flow_item_mpls *mask = item->mask;
1754 struct mlx5_priv *priv = dev->data->dev_private;
1757 if (!priv->config.mpls_en)
1758 return rte_flow_error_set(error, ENOTSUP,
1759 RTE_FLOW_ERROR_TYPE_ITEM, item,
1760 "MPLS not supported or"
1761 " disabled in firmware"
1763 /* MPLS over IP, UDP, GRE is allowed */
1764 if (!(prev_layer & (MLX5_FLOW_LAYER_OUTER_L3 |
1765 MLX5_FLOW_LAYER_OUTER_L4_UDP |
1766 MLX5_FLOW_LAYER_GRE)))
1767 return rte_flow_error_set(error, EINVAL,
1768 RTE_FLOW_ERROR_TYPE_ITEM, item,
1769 "protocol filtering not compatible"
1770 " with MPLS layer");
1771 /* Multi-tunnel isn't allowed but MPLS over GRE is an exception. */
1772 if ((item_flags & MLX5_FLOW_LAYER_TUNNEL) &&
1773 !(item_flags & MLX5_FLOW_LAYER_GRE))
1774 return rte_flow_error_set(error, ENOTSUP,
1775 RTE_FLOW_ERROR_TYPE_ITEM, item,
1776 "multiple tunnel layers not"
1779 mask = &rte_flow_item_mpls_mask;
1780 ret = mlx5_flow_item_acceptable
1781 (item, (const uint8_t *)mask,
1782 (const uint8_t *)&rte_flow_item_mpls_mask,
1783 sizeof(struct rte_flow_item_mpls), error);
1788 return rte_flow_error_set(error, ENOTSUP,
1789 RTE_FLOW_ERROR_TYPE_ITEM, item,
1790 "MPLS is not supported by Verbs, please"
1795 flow_null_validate(struct rte_eth_dev *dev __rte_unused,
1796 const struct rte_flow_attr *attr __rte_unused,
1797 const struct rte_flow_item items[] __rte_unused,
1798 const struct rte_flow_action actions[] __rte_unused,
1799 struct rte_flow_error *error)
1801 return rte_flow_error_set(error, ENOTSUP,
1802 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, NULL);
1805 static struct mlx5_flow *
1806 flow_null_prepare(const struct rte_flow_attr *attr __rte_unused,
1807 const struct rte_flow_item items[] __rte_unused,
1808 const struct rte_flow_action actions[] __rte_unused,
1809 struct rte_flow_error *error)
1811 rte_flow_error_set(error, ENOTSUP,
1812 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, NULL);
1817 flow_null_translate(struct rte_eth_dev *dev __rte_unused,
1818 struct mlx5_flow *dev_flow __rte_unused,
1819 const struct rte_flow_attr *attr __rte_unused,
1820 const struct rte_flow_item items[] __rte_unused,
1821 const struct rte_flow_action actions[] __rte_unused,
1822 struct rte_flow_error *error)
1824 return rte_flow_error_set(error, ENOTSUP,
1825 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, NULL);
1829 flow_null_apply(struct rte_eth_dev *dev __rte_unused,
1830 struct rte_flow *flow __rte_unused,
1831 struct rte_flow_error *error)
1833 return rte_flow_error_set(error, ENOTSUP,
1834 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, NULL);
1838 flow_null_remove(struct rte_eth_dev *dev __rte_unused,
1839 struct rte_flow *flow __rte_unused)
1844 flow_null_destroy(struct rte_eth_dev *dev __rte_unused,
1845 struct rte_flow *flow __rte_unused)
1850 flow_null_query(struct rte_eth_dev *dev __rte_unused,
1851 struct rte_flow *flow __rte_unused,
1852 const struct rte_flow_action *actions __rte_unused,
1853 void *data __rte_unused,
1854 struct rte_flow_error *error)
1856 return rte_flow_error_set(error, ENOTSUP,
1857 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, NULL);
1860 /* Void driver to protect from null pointer reference. */
1861 const struct mlx5_flow_driver_ops mlx5_flow_null_drv_ops = {
1862 .validate = flow_null_validate,
1863 .prepare = flow_null_prepare,
1864 .translate = flow_null_translate,
1865 .apply = flow_null_apply,
1866 .remove = flow_null_remove,
1867 .destroy = flow_null_destroy,
1868 .query = flow_null_query,
1872 * Select flow driver type according to flow attributes and device
1876 * Pointer to the dev structure.
1878 * Pointer to the flow attributes.
1881 * flow driver type, MLX5_FLOW_TYPE_MAX otherwise.
1883 static enum mlx5_flow_drv_type
1884 flow_get_drv_type(struct rte_eth_dev *dev, const struct rte_flow_attr *attr)
1886 struct mlx5_priv *priv = dev->data->dev_private;
1887 enum mlx5_flow_drv_type type = MLX5_FLOW_TYPE_MAX;
1889 if (attr->transfer && priv->config.dv_esw_en)
1890 type = MLX5_FLOW_TYPE_DV;
1891 if (!attr->transfer)
1892 type = priv->config.dv_flow_en ? MLX5_FLOW_TYPE_DV :
1893 MLX5_FLOW_TYPE_VERBS;
1897 #define flow_get_drv_ops(type) flow_drv_ops[type]
1900 * Flow driver validation API. This abstracts calling driver specific functions.
1901 * The type of flow driver is determined according to flow attributes.
1904 * Pointer to the dev structure.
1906 * Pointer to the flow attributes.
1908 * Pointer to the list of items.
1909 * @param[in] actions
1910 * Pointer to the list of actions.
1912 * Pointer to the error structure.
1915 * 0 on success, a negative errno value otherwise and rte_errno is set.
1918 flow_drv_validate(struct rte_eth_dev *dev,
1919 const struct rte_flow_attr *attr,
1920 const struct rte_flow_item items[],
1921 const struct rte_flow_action actions[],
1922 struct rte_flow_error *error)
1924 const struct mlx5_flow_driver_ops *fops;
1925 enum mlx5_flow_drv_type type = flow_get_drv_type(dev, attr);
1927 fops = flow_get_drv_ops(type);
1928 return fops->validate(dev, attr, items, actions, error);
1932 * Flow driver preparation API. This abstracts calling driver specific
1933 * functions. Parent flow (rte_flow) should have driver type (drv_type). It
1934 * calculates the size of memory required for device flow, allocates the memory,
1935 * initializes the device flow and returns the pointer.
1938 * This function initializes device flow structure such as dv or verbs in
1939 * struct mlx5_flow. However, it is caller's responsibility to initialize the
1940 * rest. For example, adding returning device flow to flow->dev_flow list and
1941 * setting backward reference to the flow should be done out of this function.
1942 * layers field is not filled either.
1945 * Pointer to the flow attributes.
1947 * Pointer to the list of items.
1948 * @param[in] actions
1949 * Pointer to the list of actions.
1951 * Pointer to the error structure.
1954 * Pointer to device flow on success, otherwise NULL and rte_errno is set.
1956 static inline struct mlx5_flow *
1957 flow_drv_prepare(const struct rte_flow *flow,
1958 const struct rte_flow_attr *attr,
1959 const struct rte_flow_item items[],
1960 const struct rte_flow_action actions[],
1961 struct rte_flow_error *error)
1963 const struct mlx5_flow_driver_ops *fops;
1964 enum mlx5_flow_drv_type type = flow->drv_type;
1966 assert(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
1967 fops = flow_get_drv_ops(type);
1968 return fops->prepare(attr, items, actions, error);
1972 * Flow driver translation API. This abstracts calling driver specific
1973 * functions. Parent flow (rte_flow) should have driver type (drv_type). It
1974 * translates a generic flow into a driver flow. flow_drv_prepare() must
1978 * dev_flow->layers could be filled as a result of parsing during translation
1979 * if needed by flow_drv_apply(). dev_flow->flow->actions can also be filled
1980 * if necessary. As a flow can have multiple dev_flows by RSS flow expansion,
1981 * flow->actions could be overwritten even though all the expanded dev_flows
1982 * have the same actions.
1985 * Pointer to the rte dev structure.
1986 * @param[in, out] dev_flow
1987 * Pointer to the mlx5 flow.
1989 * Pointer to the flow attributes.
1991 * Pointer to the list of items.
1992 * @param[in] actions
1993 * Pointer to the list of actions.
1995 * Pointer to the error structure.
1998 * 0 on success, a negative errno value otherwise and rte_errno is set.
2001 flow_drv_translate(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow,
2002 const struct rte_flow_attr *attr,
2003 const struct rte_flow_item items[],
2004 const struct rte_flow_action actions[],
2005 struct rte_flow_error *error)
2007 const struct mlx5_flow_driver_ops *fops;
2008 enum mlx5_flow_drv_type type = dev_flow->flow->drv_type;
2010 assert(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
2011 fops = flow_get_drv_ops(type);
2012 return fops->translate(dev, dev_flow, attr, items, actions, error);
2016 * Flow driver apply API. This abstracts calling driver specific functions.
2017 * Parent flow (rte_flow) should have driver type (drv_type). It applies
2018 * translated driver flows on to device. flow_drv_translate() must precede.
2021 * Pointer to Ethernet device structure.
2022 * @param[in, out] flow
2023 * Pointer to flow structure.
2025 * Pointer to error structure.
2028 * 0 on success, a negative errno value otherwise and rte_errno is set.
2031 flow_drv_apply(struct rte_eth_dev *dev, struct rte_flow *flow,
2032 struct rte_flow_error *error)
2034 const struct mlx5_flow_driver_ops *fops;
2035 enum mlx5_flow_drv_type type = flow->drv_type;
2037 assert(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
2038 fops = flow_get_drv_ops(type);
2039 return fops->apply(dev, flow, error);
2043 * Flow driver remove API. This abstracts calling driver specific functions.
2044 * Parent flow (rte_flow) should have driver type (drv_type). It removes a flow
2045 * on device. All the resources of the flow should be freed by calling
2046 * flow_drv_destroy().
2049 * Pointer to Ethernet device.
2050 * @param[in, out] flow
2051 * Pointer to flow structure.
2054 flow_drv_remove(struct rte_eth_dev *dev, struct rte_flow *flow)
2056 const struct mlx5_flow_driver_ops *fops;
2057 enum mlx5_flow_drv_type type = flow->drv_type;
2059 assert(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
2060 fops = flow_get_drv_ops(type);
2061 fops->remove(dev, flow);
2065 * Flow driver destroy API. This abstracts calling driver specific functions.
2066 * Parent flow (rte_flow) should have driver type (drv_type). It removes a flow
2067 * on device and releases resources of the flow.
2070 * Pointer to Ethernet device.
2071 * @param[in, out] flow
2072 * Pointer to flow structure.
2075 flow_drv_destroy(struct rte_eth_dev *dev, struct rte_flow *flow)
2077 const struct mlx5_flow_driver_ops *fops;
2078 enum mlx5_flow_drv_type type = flow->drv_type;
2080 assert(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
2081 fops = flow_get_drv_ops(type);
2082 fops->destroy(dev, flow);
2086 * Validate a flow supported by the NIC.
2088 * @see rte_flow_validate()
2092 mlx5_flow_validate(struct rte_eth_dev *dev,
2093 const struct rte_flow_attr *attr,
2094 const struct rte_flow_item items[],
2095 const struct rte_flow_action actions[],
2096 struct rte_flow_error *error)
2100 ret = flow_drv_validate(dev, attr, items, actions, error);
2107 * Get RSS action from the action list.
2109 * @param[in] actions
2110 * Pointer to the list of actions.
2113 * Pointer to the RSS action if exist, else return NULL.
2115 static const struct rte_flow_action_rss*
2116 flow_get_rss_action(const struct rte_flow_action actions[])
2118 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
2119 switch (actions->type) {
2120 case RTE_FLOW_ACTION_TYPE_RSS:
2121 return (const struct rte_flow_action_rss *)
2131 find_graph_root(const struct rte_flow_item pattern[], uint32_t rss_level)
2133 const struct rte_flow_item *item;
2134 unsigned int has_vlan = 0;
2136 for (item = pattern; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
2137 if (item->type == RTE_FLOW_ITEM_TYPE_VLAN) {
2143 return rss_level < 2 ? MLX5_EXPANSION_ROOT_ETH_VLAN :
2144 MLX5_EXPANSION_ROOT_OUTER_ETH_VLAN;
2145 return rss_level < 2 ? MLX5_EXPANSION_ROOT :
2146 MLX5_EXPANSION_ROOT_OUTER;
2150 * Create a flow and add it to @p list.
2153 * Pointer to Ethernet device.
2155 * Pointer to a TAILQ flow list.
2157 * Flow rule attributes.
2159 * Pattern specification (list terminated by the END pattern item).
2160 * @param[in] actions
2161 * Associated actions (list terminated by the END action).
2163 * Perform verbose error reporting if not NULL.
2166 * A flow on success, NULL otherwise and rte_errno is set.
2168 static struct rte_flow *
2169 flow_list_create(struct rte_eth_dev *dev, struct mlx5_flows *list,
2170 const struct rte_flow_attr *attr,
2171 const struct rte_flow_item items[],
2172 const struct rte_flow_action actions[],
2173 struct rte_flow_error *error)
2175 struct rte_flow *flow = NULL;
2176 struct mlx5_flow *dev_flow;
2177 const struct rte_flow_action_rss *rss;
2179 struct rte_flow_expand_rss buf;
2180 uint8_t buffer[2048];
2182 struct rte_flow_expand_rss *buf = &expand_buffer.buf;
2187 ret = flow_drv_validate(dev, attr, items, actions, error);
2190 flow_size = sizeof(struct rte_flow);
2191 rss = flow_get_rss_action(actions);
2193 flow_size += RTE_ALIGN_CEIL(rss->queue_num * sizeof(uint16_t),
2196 flow_size += RTE_ALIGN_CEIL(sizeof(uint16_t), sizeof(void *));
2197 flow = rte_calloc(__func__, 1, flow_size, 0);
2202 flow->drv_type = flow_get_drv_type(dev, attr);
2203 flow->ingress = attr->ingress;
2204 flow->transfer = attr->transfer;
2205 assert(flow->drv_type > MLX5_FLOW_TYPE_MIN &&
2206 flow->drv_type < MLX5_FLOW_TYPE_MAX);
2207 flow->queue = (void *)(flow + 1);
2208 LIST_INIT(&flow->dev_flows);
2209 if (rss && rss->types) {
2210 unsigned int graph_root;
2212 graph_root = find_graph_root(items, rss->level);
2213 ret = rte_flow_expand_rss(buf, sizeof(expand_buffer.buffer),
2215 mlx5_support_expansion,
2218 (unsigned int)ret < sizeof(expand_buffer.buffer));
2221 buf->entry[0].pattern = (void *)(uintptr_t)items;
2223 for (i = 0; i < buf->entries; ++i) {
2224 dev_flow = flow_drv_prepare(flow, attr, buf->entry[i].pattern,
2228 dev_flow->flow = flow;
2229 LIST_INSERT_HEAD(&flow->dev_flows, dev_flow, next);
2230 ret = flow_drv_translate(dev, dev_flow, attr,
2231 buf->entry[i].pattern,
2236 if (dev->data->dev_started) {
2237 ret = flow_drv_apply(dev, flow, error);
2241 TAILQ_INSERT_TAIL(list, flow, next);
2242 flow_rxq_flags_set(dev, flow);
2245 ret = rte_errno; /* Save rte_errno before cleanup. */
2247 flow_drv_destroy(dev, flow);
2249 rte_errno = ret; /* Restore rte_errno. */
2256 * @see rte_flow_create()
2260 mlx5_flow_create(struct rte_eth_dev *dev,
2261 const struct rte_flow_attr *attr,
2262 const struct rte_flow_item items[],
2263 const struct rte_flow_action actions[],
2264 struct rte_flow_error *error)
2266 struct mlx5_priv *priv = dev->data->dev_private;
2268 return flow_list_create(dev, &priv->flows,
2269 attr, items, actions, error);
2273 * Destroy a flow in a list.
2276 * Pointer to Ethernet device.
2278 * Pointer to a TAILQ flow list.
2283 flow_list_destroy(struct rte_eth_dev *dev, struct mlx5_flows *list,
2284 struct rte_flow *flow)
2287 * Update RX queue flags only if port is started, otherwise it is
2290 if (dev->data->dev_started)
2291 flow_rxq_flags_trim(dev, flow);
2292 flow_drv_destroy(dev, flow);
2293 TAILQ_REMOVE(list, flow, next);
2294 rte_free(flow->fdir);
2299 * Destroy all flows.
2302 * Pointer to Ethernet device.
2304 * Pointer to a TAILQ flow list.
2307 mlx5_flow_list_flush(struct rte_eth_dev *dev, struct mlx5_flows *list)
2309 while (!TAILQ_EMPTY(list)) {
2310 struct rte_flow *flow;
2312 flow = TAILQ_FIRST(list);
2313 flow_list_destroy(dev, list, flow);
2321 * Pointer to Ethernet device.
2323 * Pointer to a TAILQ flow list.
2326 mlx5_flow_stop(struct rte_eth_dev *dev, struct mlx5_flows *list)
2328 struct rte_flow *flow;
2330 TAILQ_FOREACH_REVERSE(flow, list, mlx5_flows, next)
2331 flow_drv_remove(dev, flow);
2332 flow_rxq_flags_clear(dev);
2339 * Pointer to Ethernet device.
2341 * Pointer to a TAILQ flow list.
2344 * 0 on success, a negative errno value otherwise and rte_errno is set.
2347 mlx5_flow_start(struct rte_eth_dev *dev, struct mlx5_flows *list)
2349 struct rte_flow *flow;
2350 struct rte_flow_error error;
2353 TAILQ_FOREACH(flow, list, next) {
2354 ret = flow_drv_apply(dev, flow, &error);
2357 flow_rxq_flags_set(dev, flow);
2361 ret = rte_errno; /* Save rte_errno before cleanup. */
2362 mlx5_flow_stop(dev, list);
2363 rte_errno = ret; /* Restore rte_errno. */
2368 * Verify the flow list is empty
2371 * Pointer to Ethernet device.
2373 * @return the number of flows not released.
2376 mlx5_flow_verify(struct rte_eth_dev *dev)
2378 struct mlx5_priv *priv = dev->data->dev_private;
2379 struct rte_flow *flow;
2382 TAILQ_FOREACH(flow, &priv->flows, next) {
2383 DRV_LOG(DEBUG, "port %u flow %p still referenced",
2384 dev->data->port_id, (void *)flow);
2391 * Enable a control flow configured from the control plane.
2394 * Pointer to Ethernet device.
2396 * An Ethernet flow spec to apply.
2398 * An Ethernet flow mask to apply.
2400 * A VLAN flow spec to apply.
2402 * A VLAN flow mask to apply.
2405 * 0 on success, a negative errno value otherwise and rte_errno is set.
2408 mlx5_ctrl_flow_vlan(struct rte_eth_dev *dev,
2409 struct rte_flow_item_eth *eth_spec,
2410 struct rte_flow_item_eth *eth_mask,
2411 struct rte_flow_item_vlan *vlan_spec,
2412 struct rte_flow_item_vlan *vlan_mask)
2414 struct mlx5_priv *priv = dev->data->dev_private;
2415 const struct rte_flow_attr attr = {
2417 .priority = MLX5_FLOW_PRIO_RSVD,
2419 struct rte_flow_item items[] = {
2421 .type = RTE_FLOW_ITEM_TYPE_ETH,
2427 .type = (vlan_spec) ? RTE_FLOW_ITEM_TYPE_VLAN :
2428 RTE_FLOW_ITEM_TYPE_END,
2434 .type = RTE_FLOW_ITEM_TYPE_END,
2437 uint16_t queue[priv->reta_idx_n];
2438 struct rte_flow_action_rss action_rss = {
2439 .func = RTE_ETH_HASH_FUNCTION_DEFAULT,
2441 .types = priv->rss_conf.rss_hf,
2442 .key_len = priv->rss_conf.rss_key_len,
2443 .queue_num = priv->reta_idx_n,
2444 .key = priv->rss_conf.rss_key,
2447 struct rte_flow_action actions[] = {
2449 .type = RTE_FLOW_ACTION_TYPE_RSS,
2450 .conf = &action_rss,
2453 .type = RTE_FLOW_ACTION_TYPE_END,
2456 struct rte_flow *flow;
2457 struct rte_flow_error error;
2460 if (!priv->reta_idx_n || !priv->rxqs_n) {
2463 for (i = 0; i != priv->reta_idx_n; ++i)
2464 queue[i] = (*priv->reta_idx)[i];
2465 flow = flow_list_create(dev, &priv->ctrl_flows,
2466 &attr, items, actions, &error);
2473 * Enable a flow control configured from the control plane.
2476 * Pointer to Ethernet device.
2478 * An Ethernet flow spec to apply.
2480 * An Ethernet flow mask to apply.
2483 * 0 on success, a negative errno value otherwise and rte_errno is set.
2486 mlx5_ctrl_flow(struct rte_eth_dev *dev,
2487 struct rte_flow_item_eth *eth_spec,
2488 struct rte_flow_item_eth *eth_mask)
2490 return mlx5_ctrl_flow_vlan(dev, eth_spec, eth_mask, NULL, NULL);
2496 * @see rte_flow_destroy()
2500 mlx5_flow_destroy(struct rte_eth_dev *dev,
2501 struct rte_flow *flow,
2502 struct rte_flow_error *error __rte_unused)
2504 struct mlx5_priv *priv = dev->data->dev_private;
2506 flow_list_destroy(dev, &priv->flows, flow);
2511 * Destroy all flows.
2513 * @see rte_flow_flush()
2517 mlx5_flow_flush(struct rte_eth_dev *dev,
2518 struct rte_flow_error *error __rte_unused)
2520 struct mlx5_priv *priv = dev->data->dev_private;
2522 mlx5_flow_list_flush(dev, &priv->flows);
2529 * @see rte_flow_isolate()
2533 mlx5_flow_isolate(struct rte_eth_dev *dev,
2535 struct rte_flow_error *error)
2537 struct mlx5_priv *priv = dev->data->dev_private;
2539 if (dev->data->dev_started) {
2540 rte_flow_error_set(error, EBUSY,
2541 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
2543 "port must be stopped first");
2546 priv->isolated = !!enable;
2548 dev->dev_ops = &mlx5_dev_ops_isolate;
2550 dev->dev_ops = &mlx5_dev_ops;
2557 * @see rte_flow_query()
2561 flow_drv_query(struct rte_eth_dev *dev,
2562 struct rte_flow *flow,
2563 const struct rte_flow_action *actions,
2565 struct rte_flow_error *error)
2567 const struct mlx5_flow_driver_ops *fops;
2568 enum mlx5_flow_drv_type ftype = flow->drv_type;
2570 assert(ftype > MLX5_FLOW_TYPE_MIN && ftype < MLX5_FLOW_TYPE_MAX);
2571 fops = flow_get_drv_ops(ftype);
2573 return fops->query(dev, flow, actions, data, error);
2579 * @see rte_flow_query()
2583 mlx5_flow_query(struct rte_eth_dev *dev,
2584 struct rte_flow *flow,
2585 const struct rte_flow_action *actions,
2587 struct rte_flow_error *error)
2591 ret = flow_drv_query(dev, flow, actions, data, error);
2598 * Convert a flow director filter to a generic flow.
2601 * Pointer to Ethernet device.
2602 * @param fdir_filter
2603 * Flow director filter to add.
2605 * Generic flow parameters structure.
2608 * 0 on success, a negative errno value otherwise and rte_errno is set.
2611 flow_fdir_filter_convert(struct rte_eth_dev *dev,
2612 const struct rte_eth_fdir_filter *fdir_filter,
2613 struct mlx5_fdir *attributes)
2615 struct mlx5_priv *priv = dev->data->dev_private;
2616 const struct rte_eth_fdir_input *input = &fdir_filter->input;
2617 const struct rte_eth_fdir_masks *mask =
2618 &dev->data->dev_conf.fdir_conf.mask;
2620 /* Validate queue number. */
2621 if (fdir_filter->action.rx_queue >= priv->rxqs_n) {
2622 DRV_LOG(ERR, "port %u invalid queue number %d",
2623 dev->data->port_id, fdir_filter->action.rx_queue);
2627 attributes->attr.ingress = 1;
2628 attributes->items[0] = (struct rte_flow_item) {
2629 .type = RTE_FLOW_ITEM_TYPE_ETH,
2630 .spec = &attributes->l2,
2631 .mask = &attributes->l2_mask,
2633 switch (fdir_filter->action.behavior) {
2634 case RTE_ETH_FDIR_ACCEPT:
2635 attributes->actions[0] = (struct rte_flow_action){
2636 .type = RTE_FLOW_ACTION_TYPE_QUEUE,
2637 .conf = &attributes->queue,
2640 case RTE_ETH_FDIR_REJECT:
2641 attributes->actions[0] = (struct rte_flow_action){
2642 .type = RTE_FLOW_ACTION_TYPE_DROP,
2646 DRV_LOG(ERR, "port %u invalid behavior %d",
2648 fdir_filter->action.behavior);
2649 rte_errno = ENOTSUP;
2652 attributes->queue.index = fdir_filter->action.rx_queue;
2654 switch (fdir_filter->input.flow_type) {
2655 case RTE_ETH_FLOW_NONFRAG_IPV4_UDP:
2656 case RTE_ETH_FLOW_NONFRAG_IPV4_TCP:
2657 case RTE_ETH_FLOW_NONFRAG_IPV4_OTHER:
2658 attributes->l3.ipv4.hdr = (struct rte_ipv4_hdr){
2659 .src_addr = input->flow.ip4_flow.src_ip,
2660 .dst_addr = input->flow.ip4_flow.dst_ip,
2661 .time_to_live = input->flow.ip4_flow.ttl,
2662 .type_of_service = input->flow.ip4_flow.tos,
2664 attributes->l3_mask.ipv4.hdr = (struct rte_ipv4_hdr){
2665 .src_addr = mask->ipv4_mask.src_ip,
2666 .dst_addr = mask->ipv4_mask.dst_ip,
2667 .time_to_live = mask->ipv4_mask.ttl,
2668 .type_of_service = mask->ipv4_mask.tos,
2669 .next_proto_id = mask->ipv4_mask.proto,
2671 attributes->items[1] = (struct rte_flow_item){
2672 .type = RTE_FLOW_ITEM_TYPE_IPV4,
2673 .spec = &attributes->l3,
2674 .mask = &attributes->l3_mask,
2677 case RTE_ETH_FLOW_NONFRAG_IPV6_UDP:
2678 case RTE_ETH_FLOW_NONFRAG_IPV6_TCP:
2679 case RTE_ETH_FLOW_NONFRAG_IPV6_OTHER:
2680 attributes->l3.ipv6.hdr = (struct rte_ipv6_hdr){
2681 .hop_limits = input->flow.ipv6_flow.hop_limits,
2682 .proto = input->flow.ipv6_flow.proto,
2685 memcpy(attributes->l3.ipv6.hdr.src_addr,
2686 input->flow.ipv6_flow.src_ip,
2687 RTE_DIM(attributes->l3.ipv6.hdr.src_addr));
2688 memcpy(attributes->l3.ipv6.hdr.dst_addr,
2689 input->flow.ipv6_flow.dst_ip,
2690 RTE_DIM(attributes->l3.ipv6.hdr.src_addr));
2691 memcpy(attributes->l3_mask.ipv6.hdr.src_addr,
2692 mask->ipv6_mask.src_ip,
2693 RTE_DIM(attributes->l3_mask.ipv6.hdr.src_addr));
2694 memcpy(attributes->l3_mask.ipv6.hdr.dst_addr,
2695 mask->ipv6_mask.dst_ip,
2696 RTE_DIM(attributes->l3_mask.ipv6.hdr.src_addr));
2697 attributes->items[1] = (struct rte_flow_item){
2698 .type = RTE_FLOW_ITEM_TYPE_IPV6,
2699 .spec = &attributes->l3,
2700 .mask = &attributes->l3_mask,
2704 DRV_LOG(ERR, "port %u invalid flow type%d",
2705 dev->data->port_id, fdir_filter->input.flow_type);
2706 rte_errno = ENOTSUP;
2710 switch (fdir_filter->input.flow_type) {
2711 case RTE_ETH_FLOW_NONFRAG_IPV4_UDP:
2712 attributes->l4.udp.hdr = (struct rte_udp_hdr){
2713 .src_port = input->flow.udp4_flow.src_port,
2714 .dst_port = input->flow.udp4_flow.dst_port,
2716 attributes->l4_mask.udp.hdr = (struct rte_udp_hdr){
2717 .src_port = mask->src_port_mask,
2718 .dst_port = mask->dst_port_mask,
2720 attributes->items[2] = (struct rte_flow_item){
2721 .type = RTE_FLOW_ITEM_TYPE_UDP,
2722 .spec = &attributes->l4,
2723 .mask = &attributes->l4_mask,
2726 case RTE_ETH_FLOW_NONFRAG_IPV4_TCP:
2727 attributes->l4.tcp.hdr = (struct rte_tcp_hdr){
2728 .src_port = input->flow.tcp4_flow.src_port,
2729 .dst_port = input->flow.tcp4_flow.dst_port,
2731 attributes->l4_mask.tcp.hdr = (struct rte_tcp_hdr){
2732 .src_port = mask->src_port_mask,
2733 .dst_port = mask->dst_port_mask,
2735 attributes->items[2] = (struct rte_flow_item){
2736 .type = RTE_FLOW_ITEM_TYPE_TCP,
2737 .spec = &attributes->l4,
2738 .mask = &attributes->l4_mask,
2741 case RTE_ETH_FLOW_NONFRAG_IPV6_UDP:
2742 attributes->l4.udp.hdr = (struct rte_udp_hdr){
2743 .src_port = input->flow.udp6_flow.src_port,
2744 .dst_port = input->flow.udp6_flow.dst_port,
2746 attributes->l4_mask.udp.hdr = (struct rte_udp_hdr){
2747 .src_port = mask->src_port_mask,
2748 .dst_port = mask->dst_port_mask,
2750 attributes->items[2] = (struct rte_flow_item){
2751 .type = RTE_FLOW_ITEM_TYPE_UDP,
2752 .spec = &attributes->l4,
2753 .mask = &attributes->l4_mask,
2756 case RTE_ETH_FLOW_NONFRAG_IPV6_TCP:
2757 attributes->l4.tcp.hdr = (struct rte_tcp_hdr){
2758 .src_port = input->flow.tcp6_flow.src_port,
2759 .dst_port = input->flow.tcp6_flow.dst_port,
2761 attributes->l4_mask.tcp.hdr = (struct rte_tcp_hdr){
2762 .src_port = mask->src_port_mask,
2763 .dst_port = mask->dst_port_mask,
2765 attributes->items[2] = (struct rte_flow_item){
2766 .type = RTE_FLOW_ITEM_TYPE_TCP,
2767 .spec = &attributes->l4,
2768 .mask = &attributes->l4_mask,
2771 case RTE_ETH_FLOW_NONFRAG_IPV4_OTHER:
2772 case RTE_ETH_FLOW_NONFRAG_IPV6_OTHER:
2775 DRV_LOG(ERR, "port %u invalid flow type%d",
2776 dev->data->port_id, fdir_filter->input.flow_type);
2777 rte_errno = ENOTSUP;
2783 #define FLOW_FDIR_CMP(f1, f2, fld) \
2784 memcmp(&(f1)->fld, &(f2)->fld, sizeof(f1->fld))
2787 * Compare two FDIR flows. If items and actions are identical, the two flows are
2791 * Pointer to Ethernet device.
2793 * FDIR flow to compare.
2795 * FDIR flow to compare.
2798 * Zero on match, 1 otherwise.
2801 flow_fdir_cmp(const struct mlx5_fdir *f1, const struct mlx5_fdir *f2)
2803 if (FLOW_FDIR_CMP(f1, f2, attr) ||
2804 FLOW_FDIR_CMP(f1, f2, l2) ||
2805 FLOW_FDIR_CMP(f1, f2, l2_mask) ||
2806 FLOW_FDIR_CMP(f1, f2, l3) ||
2807 FLOW_FDIR_CMP(f1, f2, l3_mask) ||
2808 FLOW_FDIR_CMP(f1, f2, l4) ||
2809 FLOW_FDIR_CMP(f1, f2, l4_mask) ||
2810 FLOW_FDIR_CMP(f1, f2, actions[0].type))
2812 if (f1->actions[0].type == RTE_FLOW_ACTION_TYPE_QUEUE &&
2813 FLOW_FDIR_CMP(f1, f2, queue))
2819 * Search device flow list to find out a matched FDIR flow.
2822 * Pointer to Ethernet device.
2824 * FDIR flow to lookup.
2827 * Pointer of flow if found, NULL otherwise.
2829 static struct rte_flow *
2830 flow_fdir_filter_lookup(struct rte_eth_dev *dev, struct mlx5_fdir *fdir_flow)
2832 struct mlx5_priv *priv = dev->data->dev_private;
2833 struct rte_flow *flow = NULL;
2836 TAILQ_FOREACH(flow, &priv->flows, next) {
2837 if (flow->fdir && !flow_fdir_cmp(flow->fdir, fdir_flow)) {
2838 DRV_LOG(DEBUG, "port %u found FDIR flow %p",
2839 dev->data->port_id, (void *)flow);
2847 * Add new flow director filter and store it in list.
2850 * Pointer to Ethernet device.
2851 * @param fdir_filter
2852 * Flow director filter to add.
2855 * 0 on success, a negative errno value otherwise and rte_errno is set.
2858 flow_fdir_filter_add(struct rte_eth_dev *dev,
2859 const struct rte_eth_fdir_filter *fdir_filter)
2861 struct mlx5_priv *priv = dev->data->dev_private;
2862 struct mlx5_fdir *fdir_flow;
2863 struct rte_flow *flow;
2866 fdir_flow = rte_zmalloc(__func__, sizeof(*fdir_flow), 0);
2871 ret = flow_fdir_filter_convert(dev, fdir_filter, fdir_flow);
2874 flow = flow_fdir_filter_lookup(dev, fdir_flow);
2879 flow = flow_list_create(dev, &priv->flows, &fdir_flow->attr,
2880 fdir_flow->items, fdir_flow->actions, NULL);
2883 assert(!flow->fdir);
2884 flow->fdir = fdir_flow;
2885 DRV_LOG(DEBUG, "port %u created FDIR flow %p",
2886 dev->data->port_id, (void *)flow);
2889 rte_free(fdir_flow);
2894 * Delete specific filter.
2897 * Pointer to Ethernet device.
2898 * @param fdir_filter
2899 * Filter to be deleted.
2902 * 0 on success, a negative errno value otherwise and rte_errno is set.
2905 flow_fdir_filter_delete(struct rte_eth_dev *dev,
2906 const struct rte_eth_fdir_filter *fdir_filter)
2908 struct mlx5_priv *priv = dev->data->dev_private;
2909 struct rte_flow *flow;
2910 struct mlx5_fdir fdir_flow = {
2915 ret = flow_fdir_filter_convert(dev, fdir_filter, &fdir_flow);
2918 flow = flow_fdir_filter_lookup(dev, &fdir_flow);
2923 flow_list_destroy(dev, &priv->flows, flow);
2924 DRV_LOG(DEBUG, "port %u deleted FDIR flow %p",
2925 dev->data->port_id, (void *)flow);
2930 * Update queue for specific filter.
2933 * Pointer to Ethernet device.
2934 * @param fdir_filter
2935 * Filter to be updated.
2938 * 0 on success, a negative errno value otherwise and rte_errno is set.
2941 flow_fdir_filter_update(struct rte_eth_dev *dev,
2942 const struct rte_eth_fdir_filter *fdir_filter)
2946 ret = flow_fdir_filter_delete(dev, fdir_filter);
2949 return flow_fdir_filter_add(dev, fdir_filter);
2953 * Flush all filters.
2956 * Pointer to Ethernet device.
2959 flow_fdir_filter_flush(struct rte_eth_dev *dev)
2961 struct mlx5_priv *priv = dev->data->dev_private;
2963 mlx5_flow_list_flush(dev, &priv->flows);
2967 * Get flow director information.
2970 * Pointer to Ethernet device.
2971 * @param[out] fdir_info
2972 * Resulting flow director information.
2975 flow_fdir_info_get(struct rte_eth_dev *dev, struct rte_eth_fdir_info *fdir_info)
2977 struct rte_eth_fdir_masks *mask =
2978 &dev->data->dev_conf.fdir_conf.mask;
2980 fdir_info->mode = dev->data->dev_conf.fdir_conf.mode;
2981 fdir_info->guarant_spc = 0;
2982 rte_memcpy(&fdir_info->mask, mask, sizeof(fdir_info->mask));
2983 fdir_info->max_flexpayload = 0;
2984 fdir_info->flow_types_mask[0] = 0;
2985 fdir_info->flex_payload_unit = 0;
2986 fdir_info->max_flex_payload_segment_num = 0;
2987 fdir_info->flex_payload_limit = 0;
2988 memset(&fdir_info->flex_conf, 0, sizeof(fdir_info->flex_conf));
2992 * Deal with flow director operations.
2995 * Pointer to Ethernet device.
2997 * Operation to perform.
2999 * Pointer to operation-specific structure.
3002 * 0 on success, a negative errno value otherwise and rte_errno is set.
3005 flow_fdir_ctrl_func(struct rte_eth_dev *dev, enum rte_filter_op filter_op,
3008 enum rte_fdir_mode fdir_mode =
3009 dev->data->dev_conf.fdir_conf.mode;
3011 if (filter_op == RTE_ETH_FILTER_NOP)
3013 if (fdir_mode != RTE_FDIR_MODE_PERFECT &&
3014 fdir_mode != RTE_FDIR_MODE_PERFECT_MAC_VLAN) {
3015 DRV_LOG(ERR, "port %u flow director mode %d not supported",
3016 dev->data->port_id, fdir_mode);
3020 switch (filter_op) {
3021 case RTE_ETH_FILTER_ADD:
3022 return flow_fdir_filter_add(dev, arg);
3023 case RTE_ETH_FILTER_UPDATE:
3024 return flow_fdir_filter_update(dev, arg);
3025 case RTE_ETH_FILTER_DELETE:
3026 return flow_fdir_filter_delete(dev, arg);
3027 case RTE_ETH_FILTER_FLUSH:
3028 flow_fdir_filter_flush(dev);
3030 case RTE_ETH_FILTER_INFO:
3031 flow_fdir_info_get(dev, arg);
3034 DRV_LOG(DEBUG, "port %u unknown operation %u",
3035 dev->data->port_id, filter_op);
3043 * Manage filter operations.
3046 * Pointer to Ethernet device structure.
3047 * @param filter_type
3050 * Operation to perform.
3052 * Pointer to operation-specific structure.
3055 * 0 on success, a negative errno value otherwise and rte_errno is set.
3058 mlx5_dev_filter_ctrl(struct rte_eth_dev *dev,
3059 enum rte_filter_type filter_type,
3060 enum rte_filter_op filter_op,
3063 switch (filter_type) {
3064 case RTE_ETH_FILTER_GENERIC:
3065 if (filter_op != RTE_ETH_FILTER_GET) {
3069 *(const void **)arg = &mlx5_flow_ops;
3071 case RTE_ETH_FILTER_FDIR:
3072 return flow_fdir_ctrl_func(dev, filter_op, arg);
3074 DRV_LOG(ERR, "port %u filter type (%d) not supported",
3075 dev->data->port_id, filter_type);
3076 rte_errno = ENOTSUP;