1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright 2018 Mellanox Technologies, Ltd
5 #include <netinet/in.h>
12 /* ISO C doesn't support unnamed structs/unions, disabling -pedantic. */
14 #pragma GCC diagnostic ignored "-Wpedantic"
16 #include <infiniband/verbs.h>
18 #pragma GCC diagnostic error "-Wpedantic"
21 #include <rte_common.h>
22 #include <rte_ether.h>
23 #include <rte_eth_ctrl.h>
24 #include <rte_ethdev_driver.h>
26 #include <rte_flow_driver.h>
27 #include <rte_malloc.h>
31 #include "mlx5_defs.h"
33 #include "mlx5_glue.h"
34 #include "mlx5_flow.h"
36 #define VERBS_SPEC_INNER(item_flags) \
37 (!!((item_flags) & MLX5_FLOW_LAYER_TUNNEL) ? IBV_FLOW_SPEC_INNER : 0)
40 * Create Verbs flow counter with Verbs library.
43 * Pointer to the Ethernet device structure.
44 * @param[in, out] counter
45 * mlx5 flow counter object, contains the counter id,
46 * handle of created Verbs flow counter is returned
47 * in cs field (if counters are supported).
50 * 0 On success else a negative errno value is returned
51 * and rte_errno is set.
54 flow_verbs_counter_create(struct rte_eth_dev *dev,
55 struct mlx5_flow_counter *counter)
57 #if defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42)
58 struct mlx5_priv *priv = dev->data->dev_private;
59 struct ibv_context *ctx = priv->sh->ctx;
60 struct ibv_counter_set_init_attr init = {
61 .counter_set_id = counter->id};
63 counter->cs = mlx5_glue->create_counter_set(ctx, &init);
69 #elif defined(HAVE_IBV_DEVICE_COUNTERS_SET_V45)
70 struct mlx5_priv *priv = dev->data->dev_private;
71 struct ibv_context *ctx = priv->sh->ctx;
72 struct ibv_counters_init_attr init = {0};
73 struct ibv_counter_attach_attr attach;
76 memset(&attach, 0, sizeof(attach));
77 counter->cs = mlx5_glue->create_counters(ctx, &init);
82 attach.counter_desc = IBV_COUNTER_PACKETS;
84 ret = mlx5_glue->attach_counters(counter->cs, &attach, NULL);
86 attach.counter_desc = IBV_COUNTER_BYTES;
88 ret = mlx5_glue->attach_counters
89 (counter->cs, &attach, NULL);
92 claim_zero(mlx5_glue->destroy_counters(counter->cs));
107 * Get a flow counter.
110 * Pointer to the Ethernet device structure.
112 * Indicate if this counter is shared with other flows.
114 * Counter identifier.
117 * A pointer to the counter, NULL otherwise and rte_errno is set.
119 static struct mlx5_flow_counter *
120 flow_verbs_counter_new(struct rte_eth_dev *dev, uint32_t shared, uint32_t id)
122 struct mlx5_priv *priv = dev->data->dev_private;
123 struct mlx5_flow_counter *cnt;
127 LIST_FOREACH(cnt, &priv->flow_counters, next) {
128 if (cnt->shared && cnt->id == id) {
134 cnt = rte_calloc(__func__, 1, sizeof(*cnt), 0);
140 cnt->shared = shared;
144 /* Create counter with Verbs. */
145 ret = flow_verbs_counter_create(dev, cnt);
147 LIST_INSERT_HEAD(&priv->flow_counters, cnt, next);
150 /* Some error occurred in Verbs library. */
157 * Release a flow counter.
160 * Pointer to the counter handler.
163 flow_verbs_counter_release(struct mlx5_flow_counter *counter)
165 if (--counter->ref_cnt == 0) {
166 #if defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42)
167 claim_zero(mlx5_glue->destroy_counter_set(counter->cs));
168 #elif defined(HAVE_IBV_DEVICE_COUNTERS_SET_V45)
169 claim_zero(mlx5_glue->destroy_counters(counter->cs));
171 LIST_REMOVE(counter, next);
177 * Query a flow counter via Verbs library call.
179 * @see rte_flow_query()
183 flow_verbs_counter_query(struct rte_eth_dev *dev __rte_unused,
184 struct rte_flow *flow, void *data,
185 struct rte_flow_error *error)
187 #if defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42) || \
188 defined(HAVE_IBV_DEVICE_COUNTERS_SET_V45)
189 if (flow->actions & MLX5_FLOW_ACTION_COUNT) {
190 struct rte_flow_query_count *qc = data;
191 uint64_t counters[2] = {0, 0};
192 #if defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42)
193 struct ibv_query_counter_set_attr query_cs_attr = {
194 .cs = flow->counter->cs,
195 .query_flags = IBV_COUNTER_SET_FORCE_UPDATE,
197 struct ibv_counter_set_data query_out = {
199 .outlen = 2 * sizeof(uint64_t),
201 int err = mlx5_glue->query_counter_set(&query_cs_attr,
203 #elif defined(HAVE_IBV_DEVICE_COUNTERS_SET_V45)
204 int err = mlx5_glue->query_counters
205 (flow->counter->cs, counters,
207 IBV_READ_COUNTERS_ATTR_PREFER_CACHED);
210 return rte_flow_error_set
212 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
214 "cannot read counter");
217 qc->hits = counters[0] - flow->counter->hits;
218 qc->bytes = counters[1] - flow->counter->bytes;
220 flow->counter->hits = counters[0];
221 flow->counter->bytes = counters[1];
225 return rte_flow_error_set(error, EINVAL,
226 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
228 "flow does not have counter");
232 return rte_flow_error_set(error, ENOTSUP,
233 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
235 "counters are not available");
240 * Add a verbs item specification into @p verbs.
243 * Pointer to verbs structure.
245 * Create specification.
247 * Size in bytes of the specification to copy.
250 flow_verbs_spec_add(struct mlx5_flow_verbs *verbs, void *src, unsigned int size)
256 assert(verbs->specs);
257 dst = (void *)(verbs->specs + verbs->size);
258 memcpy(dst, src, size);
259 ++verbs->attr->num_of_specs;
264 * Convert the @p item into a Verbs specification. This function assumes that
265 * the input is valid and that there is space to insert the requested item
268 * @param[in, out] dev_flow
269 * Pointer to dev_flow structure.
271 * Item specification.
272 * @param[in] item_flags
276 flow_verbs_translate_item_eth(struct mlx5_flow *dev_flow,
277 const struct rte_flow_item *item,
280 const struct rte_flow_item_eth *spec = item->spec;
281 const struct rte_flow_item_eth *mask = item->mask;
282 const unsigned int size = sizeof(struct ibv_flow_spec_eth);
283 struct ibv_flow_spec_eth eth = {
284 .type = IBV_FLOW_SPEC_ETH | VERBS_SPEC_INNER(item_flags),
289 mask = &rte_flow_item_eth_mask;
293 memcpy(ð.val.dst_mac, spec->dst.addr_bytes, ETHER_ADDR_LEN);
294 memcpy(ð.val.src_mac, spec->src.addr_bytes, ETHER_ADDR_LEN);
295 eth.val.ether_type = spec->type;
296 memcpy(ð.mask.dst_mac, mask->dst.addr_bytes, ETHER_ADDR_LEN);
297 memcpy(ð.mask.src_mac, mask->src.addr_bytes, ETHER_ADDR_LEN);
298 eth.mask.ether_type = mask->type;
299 /* Remove unwanted bits from values. */
300 for (i = 0; i < ETHER_ADDR_LEN; ++i) {
301 eth.val.dst_mac[i] &= eth.mask.dst_mac[i];
302 eth.val.src_mac[i] &= eth.mask.src_mac[i];
304 eth.val.ether_type &= eth.mask.ether_type;
306 flow_verbs_spec_add(&dev_flow->verbs, ð, size);
310 * Update the VLAN tag in the Verbs Ethernet specification.
311 * This function assumes that the input is valid and there is space to add
312 * the requested item.
314 * @param[in, out] attr
315 * Pointer to Verbs attributes structure.
317 * Verbs structure containing the VLAN information to copy.
320 flow_verbs_item_vlan_update(struct ibv_flow_attr *attr,
321 struct ibv_flow_spec_eth *eth)
324 const enum ibv_flow_spec_type search = eth->type;
325 struct ibv_spec_header *hdr = (struct ibv_spec_header *)
326 ((uint8_t *)attr + sizeof(struct ibv_flow_attr));
328 for (i = 0; i != attr->num_of_specs; ++i) {
329 if (hdr->type == search) {
330 struct ibv_flow_spec_eth *e =
331 (struct ibv_flow_spec_eth *)hdr;
333 e->val.vlan_tag = eth->val.vlan_tag;
334 e->mask.vlan_tag = eth->mask.vlan_tag;
335 e->val.ether_type = eth->val.ether_type;
336 e->mask.ether_type = eth->mask.ether_type;
339 hdr = (struct ibv_spec_header *)((uint8_t *)hdr + hdr->size);
344 * Convert the @p item into a Verbs specification. This function assumes that
345 * the input is valid and that there is space to insert the requested item
348 * @param[in, out] dev_flow
349 * Pointer to dev_flow structure.
351 * Item specification.
352 * @param[in] item_flags
356 flow_verbs_translate_item_vlan(struct mlx5_flow *dev_flow,
357 const struct rte_flow_item *item,
360 const struct rte_flow_item_vlan *spec = item->spec;
361 const struct rte_flow_item_vlan *mask = item->mask;
362 unsigned int size = sizeof(struct ibv_flow_spec_eth);
363 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
364 struct ibv_flow_spec_eth eth = {
365 .type = IBV_FLOW_SPEC_ETH | VERBS_SPEC_INNER(item_flags),
368 const uint32_t l2m = tunnel ? MLX5_FLOW_LAYER_INNER_L2 :
369 MLX5_FLOW_LAYER_OUTER_L2;
372 mask = &rte_flow_item_vlan_mask;
374 eth.val.vlan_tag = spec->tci;
375 eth.mask.vlan_tag = mask->tci;
376 eth.val.vlan_tag &= eth.mask.vlan_tag;
377 eth.val.ether_type = spec->inner_type;
378 eth.mask.ether_type = mask->inner_type;
379 eth.val.ether_type &= eth.mask.ether_type;
381 if (!(item_flags & l2m))
382 flow_verbs_spec_add(&dev_flow->verbs, ð, size);
384 flow_verbs_item_vlan_update(dev_flow->verbs.attr, ð);
388 * Convert the @p item into a Verbs specification. This function assumes that
389 * the input is valid and that there is space to insert the requested item
392 * @param[in, out] dev_flow
393 * Pointer to dev_flow structure.
395 * Item specification.
396 * @param[in] item_flags
400 flow_verbs_translate_item_ipv4(struct mlx5_flow *dev_flow,
401 const struct rte_flow_item *item,
404 const struct rte_flow_item_ipv4 *spec = item->spec;
405 const struct rte_flow_item_ipv4 *mask = item->mask;
406 unsigned int size = sizeof(struct ibv_flow_spec_ipv4_ext);
407 struct ibv_flow_spec_ipv4_ext ipv4 = {
408 .type = IBV_FLOW_SPEC_IPV4_EXT | VERBS_SPEC_INNER(item_flags),
413 mask = &rte_flow_item_ipv4_mask;
415 ipv4.val = (struct ibv_flow_ipv4_ext_filter){
416 .src_ip = spec->hdr.src_addr,
417 .dst_ip = spec->hdr.dst_addr,
418 .proto = spec->hdr.next_proto_id,
419 .tos = spec->hdr.type_of_service,
421 ipv4.mask = (struct ibv_flow_ipv4_ext_filter){
422 .src_ip = mask->hdr.src_addr,
423 .dst_ip = mask->hdr.dst_addr,
424 .proto = mask->hdr.next_proto_id,
425 .tos = mask->hdr.type_of_service,
427 /* Remove unwanted bits from values. */
428 ipv4.val.src_ip &= ipv4.mask.src_ip;
429 ipv4.val.dst_ip &= ipv4.mask.dst_ip;
430 ipv4.val.proto &= ipv4.mask.proto;
431 ipv4.val.tos &= ipv4.mask.tos;
433 flow_verbs_spec_add(&dev_flow->verbs, &ipv4, size);
437 * Convert the @p item into a Verbs specification. This function assumes that
438 * the input is valid and that there is space to insert the requested item
441 * @param[in, out] dev_flow
442 * Pointer to dev_flow structure.
444 * Item specification.
445 * @param[in] item_flags
449 flow_verbs_translate_item_ipv6(struct mlx5_flow *dev_flow,
450 const struct rte_flow_item *item,
453 const struct rte_flow_item_ipv6 *spec = item->spec;
454 const struct rte_flow_item_ipv6 *mask = item->mask;
455 unsigned int size = sizeof(struct ibv_flow_spec_ipv6);
456 struct ibv_flow_spec_ipv6 ipv6 = {
457 .type = IBV_FLOW_SPEC_IPV6 | VERBS_SPEC_INNER(item_flags),
462 mask = &rte_flow_item_ipv6_mask;
465 uint32_t vtc_flow_val;
466 uint32_t vtc_flow_mask;
468 memcpy(&ipv6.val.src_ip, spec->hdr.src_addr,
469 RTE_DIM(ipv6.val.src_ip));
470 memcpy(&ipv6.val.dst_ip, spec->hdr.dst_addr,
471 RTE_DIM(ipv6.val.dst_ip));
472 memcpy(&ipv6.mask.src_ip, mask->hdr.src_addr,
473 RTE_DIM(ipv6.mask.src_ip));
474 memcpy(&ipv6.mask.dst_ip, mask->hdr.dst_addr,
475 RTE_DIM(ipv6.mask.dst_ip));
476 vtc_flow_val = rte_be_to_cpu_32(spec->hdr.vtc_flow);
477 vtc_flow_mask = rte_be_to_cpu_32(mask->hdr.vtc_flow);
478 ipv6.val.flow_label =
479 rte_cpu_to_be_32((vtc_flow_val & IPV6_HDR_FL_MASK) >>
481 ipv6.val.traffic_class = (vtc_flow_val & IPV6_HDR_TC_MASK) >>
483 ipv6.val.next_hdr = spec->hdr.proto;
484 ipv6.val.hop_limit = spec->hdr.hop_limits;
485 ipv6.mask.flow_label =
486 rte_cpu_to_be_32((vtc_flow_mask & IPV6_HDR_FL_MASK) >>
488 ipv6.mask.traffic_class = (vtc_flow_mask & IPV6_HDR_TC_MASK) >>
490 ipv6.mask.next_hdr = mask->hdr.proto;
491 ipv6.mask.hop_limit = mask->hdr.hop_limits;
492 /* Remove unwanted bits from values. */
493 for (i = 0; i < RTE_DIM(ipv6.val.src_ip); ++i) {
494 ipv6.val.src_ip[i] &= ipv6.mask.src_ip[i];
495 ipv6.val.dst_ip[i] &= ipv6.mask.dst_ip[i];
497 ipv6.val.flow_label &= ipv6.mask.flow_label;
498 ipv6.val.traffic_class &= ipv6.mask.traffic_class;
499 ipv6.val.next_hdr &= ipv6.mask.next_hdr;
500 ipv6.val.hop_limit &= ipv6.mask.hop_limit;
502 flow_verbs_spec_add(&dev_flow->verbs, &ipv6, size);
506 * Convert the @p item into a Verbs specification. This function assumes that
507 * the input is valid and that there is space to insert the requested item
510 * @param[in, out] dev_flow
511 * Pointer to dev_flow structure.
513 * Item specification.
514 * @param[in] item_flags
518 flow_verbs_translate_item_tcp(struct mlx5_flow *dev_flow,
519 const struct rte_flow_item *item,
520 uint64_t item_flags __rte_unused)
522 const struct rte_flow_item_tcp *spec = item->spec;
523 const struct rte_flow_item_tcp *mask = item->mask;
524 unsigned int size = sizeof(struct ibv_flow_spec_tcp_udp);
525 struct ibv_flow_spec_tcp_udp tcp = {
526 .type = IBV_FLOW_SPEC_TCP | VERBS_SPEC_INNER(item_flags),
531 mask = &rte_flow_item_tcp_mask;
533 tcp.val.dst_port = spec->hdr.dst_port;
534 tcp.val.src_port = spec->hdr.src_port;
535 tcp.mask.dst_port = mask->hdr.dst_port;
536 tcp.mask.src_port = mask->hdr.src_port;
537 /* Remove unwanted bits from values. */
538 tcp.val.src_port &= tcp.mask.src_port;
539 tcp.val.dst_port &= tcp.mask.dst_port;
541 flow_verbs_spec_add(&dev_flow->verbs, &tcp, size);
545 * Convert the @p item into a Verbs specification. This function assumes that
546 * the input is valid and that there is space to insert the requested item
549 * @param[in, out] dev_flow
550 * Pointer to dev_flow structure.
552 * Item specification.
553 * @param[in] item_flags
557 flow_verbs_translate_item_udp(struct mlx5_flow *dev_flow,
558 const struct rte_flow_item *item,
559 uint64_t item_flags __rte_unused)
561 const struct rte_flow_item_udp *spec = item->spec;
562 const struct rte_flow_item_udp *mask = item->mask;
563 unsigned int size = sizeof(struct ibv_flow_spec_tcp_udp);
564 struct ibv_flow_spec_tcp_udp udp = {
565 .type = IBV_FLOW_SPEC_UDP | VERBS_SPEC_INNER(item_flags),
570 mask = &rte_flow_item_udp_mask;
572 udp.val.dst_port = spec->hdr.dst_port;
573 udp.val.src_port = spec->hdr.src_port;
574 udp.mask.dst_port = mask->hdr.dst_port;
575 udp.mask.src_port = mask->hdr.src_port;
576 /* Remove unwanted bits from values. */
577 udp.val.src_port &= udp.mask.src_port;
578 udp.val.dst_port &= udp.mask.dst_port;
580 flow_verbs_spec_add(&dev_flow->verbs, &udp, size);
584 * Convert the @p item into a Verbs specification. This function assumes that
585 * the input is valid and that there is space to insert the requested item
588 * @param[in, out] dev_flow
589 * Pointer to dev_flow structure.
591 * Item specification.
592 * @param[in] item_flags
596 flow_verbs_translate_item_vxlan(struct mlx5_flow *dev_flow,
597 const struct rte_flow_item *item,
598 uint64_t item_flags __rte_unused)
600 const struct rte_flow_item_vxlan *spec = item->spec;
601 const struct rte_flow_item_vxlan *mask = item->mask;
602 unsigned int size = sizeof(struct ibv_flow_spec_tunnel);
603 struct ibv_flow_spec_tunnel vxlan = {
604 .type = IBV_FLOW_SPEC_VXLAN_TUNNEL,
610 } id = { .vlan_id = 0, };
613 mask = &rte_flow_item_vxlan_mask;
615 memcpy(&id.vni[1], spec->vni, 3);
616 vxlan.val.tunnel_id = id.vlan_id;
617 memcpy(&id.vni[1], mask->vni, 3);
618 vxlan.mask.tunnel_id = id.vlan_id;
619 /* Remove unwanted bits from values. */
620 vxlan.val.tunnel_id &= vxlan.mask.tunnel_id;
622 flow_verbs_spec_add(&dev_flow->verbs, &vxlan, size);
626 * Convert the @p item into a Verbs specification. This function assumes that
627 * the input is valid and that there is space to insert the requested item
630 * @param[in, out] dev_flow
631 * Pointer to dev_flow structure.
633 * Item specification.
634 * @param[in] item_flags
638 flow_verbs_translate_item_vxlan_gpe(struct mlx5_flow *dev_flow,
639 const struct rte_flow_item *item,
640 uint64_t item_flags __rte_unused)
642 const struct rte_flow_item_vxlan_gpe *spec = item->spec;
643 const struct rte_flow_item_vxlan_gpe *mask = item->mask;
644 unsigned int size = sizeof(struct ibv_flow_spec_tunnel);
645 struct ibv_flow_spec_tunnel vxlan_gpe = {
646 .type = IBV_FLOW_SPEC_VXLAN_TUNNEL,
652 } id = { .vlan_id = 0, };
655 mask = &rte_flow_item_vxlan_gpe_mask;
657 memcpy(&id.vni[1], spec->vni, 3);
658 vxlan_gpe.val.tunnel_id = id.vlan_id;
659 memcpy(&id.vni[1], mask->vni, 3);
660 vxlan_gpe.mask.tunnel_id = id.vlan_id;
661 /* Remove unwanted bits from values. */
662 vxlan_gpe.val.tunnel_id &= vxlan_gpe.mask.tunnel_id;
664 flow_verbs_spec_add(&dev_flow->verbs, &vxlan_gpe, size);
668 * Update the protocol in Verbs IPv4/IPv6 spec.
670 * @param[in, out] attr
671 * Pointer to Verbs attributes structure.
673 * Specification type to search in order to update the IP protocol.
674 * @param[in] protocol
675 * Protocol value to set if none is present in the specification.
678 flow_verbs_item_gre_ip_protocol_update(struct ibv_flow_attr *attr,
679 enum ibv_flow_spec_type search,
683 struct ibv_spec_header *hdr = (struct ibv_spec_header *)
684 ((uint8_t *)attr + sizeof(struct ibv_flow_attr));
688 for (i = 0; i != attr->num_of_specs; ++i) {
689 if (hdr->type == search) {
691 struct ibv_flow_spec_ipv4_ext *ipv4;
692 struct ibv_flow_spec_ipv6 *ipv6;
696 case IBV_FLOW_SPEC_IPV4_EXT:
697 ip.ipv4 = (struct ibv_flow_spec_ipv4_ext *)hdr;
698 if (!ip.ipv4->val.proto) {
699 ip.ipv4->val.proto = protocol;
700 ip.ipv4->mask.proto = 0xff;
703 case IBV_FLOW_SPEC_IPV6:
704 ip.ipv6 = (struct ibv_flow_spec_ipv6 *)hdr;
705 if (!ip.ipv6->val.next_hdr) {
706 ip.ipv6->val.next_hdr = protocol;
707 ip.ipv6->mask.next_hdr = 0xff;
715 hdr = (struct ibv_spec_header *)((uint8_t *)hdr + hdr->size);
720 * Convert the @p item into a Verbs specification. This function assumes that
721 * the input is valid and that there is space to insert the requested item
724 * @param[in, out] dev_flow
725 * Pointer to dev_flow structure.
727 * Item specification.
728 * @param[in] item_flags
732 flow_verbs_translate_item_gre(struct mlx5_flow *dev_flow,
733 const struct rte_flow_item *item __rte_unused,
736 struct mlx5_flow_verbs *verbs = &dev_flow->verbs;
737 #ifndef HAVE_IBV_DEVICE_MPLS_SUPPORT
738 unsigned int size = sizeof(struct ibv_flow_spec_tunnel);
739 struct ibv_flow_spec_tunnel tunnel = {
740 .type = IBV_FLOW_SPEC_VXLAN_TUNNEL,
744 const struct rte_flow_item_gre *spec = item->spec;
745 const struct rte_flow_item_gre *mask = item->mask;
746 unsigned int size = sizeof(struct ibv_flow_spec_gre);
747 struct ibv_flow_spec_gre tunnel = {
748 .type = IBV_FLOW_SPEC_GRE,
753 mask = &rte_flow_item_gre_mask;
755 tunnel.val.c_ks_res0_ver = spec->c_rsvd0_ver;
756 tunnel.val.protocol = spec->protocol;
757 tunnel.mask.c_ks_res0_ver = mask->c_rsvd0_ver;
758 tunnel.mask.protocol = mask->protocol;
759 /* Remove unwanted bits from values. */
760 tunnel.val.c_ks_res0_ver &= tunnel.mask.c_ks_res0_ver;
761 tunnel.val.protocol &= tunnel.mask.protocol;
762 tunnel.val.key &= tunnel.mask.key;
765 if (item_flags & MLX5_FLOW_LAYER_OUTER_L3_IPV4)
766 flow_verbs_item_gre_ip_protocol_update(verbs->attr,
767 IBV_FLOW_SPEC_IPV4_EXT,
770 flow_verbs_item_gre_ip_protocol_update(verbs->attr,
773 flow_verbs_spec_add(verbs, &tunnel, size);
777 * Convert the @p action into a Verbs specification. This function assumes that
778 * the input is valid and that there is space to insert the requested action
779 * into the flow. This function also return the action that was added.
781 * @param[in, out] dev_flow
782 * Pointer to dev_flow structure.
784 * Item specification.
785 * @param[in] item_flags
789 flow_verbs_translate_item_mpls(struct mlx5_flow *dev_flow __rte_unused,
790 const struct rte_flow_item *item __rte_unused,
791 uint64_t item_flags __rte_unused)
793 #ifdef HAVE_IBV_DEVICE_MPLS_SUPPORT
794 const struct rte_flow_item_mpls *spec = item->spec;
795 const struct rte_flow_item_mpls *mask = item->mask;
796 unsigned int size = sizeof(struct ibv_flow_spec_mpls);
797 struct ibv_flow_spec_mpls mpls = {
798 .type = IBV_FLOW_SPEC_MPLS,
803 mask = &rte_flow_item_mpls_mask;
805 memcpy(&mpls.val.label, spec, sizeof(mpls.val.label));
806 memcpy(&mpls.mask.label, mask, sizeof(mpls.mask.label));
807 /* Remove unwanted bits from values. */
808 mpls.val.label &= mpls.mask.label;
810 flow_verbs_spec_add(&dev_flow->verbs, &mpls, size);
815 * Convert the @p action into a Verbs specification. This function assumes that
816 * the input is valid and that there is space to insert the requested action
819 * @param[in] dev_flow
820 * Pointer to mlx5_flow.
822 * Action configuration.
825 flow_verbs_translate_action_drop
826 (struct mlx5_flow *dev_flow,
827 const struct rte_flow_action *action __rte_unused)
829 unsigned int size = sizeof(struct ibv_flow_spec_action_drop);
830 struct ibv_flow_spec_action_drop drop = {
831 .type = IBV_FLOW_SPEC_ACTION_DROP,
835 flow_verbs_spec_add(&dev_flow->verbs, &drop, size);
839 * Convert the @p action into a Verbs specification. This function assumes that
840 * the input is valid and that there is space to insert the requested action
843 * @param[in] dev_flow
844 * Pointer to mlx5_flow.
846 * Action configuration.
849 flow_verbs_translate_action_queue(struct mlx5_flow *dev_flow,
850 const struct rte_flow_action *action)
852 const struct rte_flow_action_queue *queue = action->conf;
853 struct rte_flow *flow = dev_flow->flow;
856 (*flow->queue)[0] = queue->index;
857 flow->rss.queue_num = 1;
861 * Convert the @p action into a Verbs specification. This function assumes that
862 * the input is valid and that there is space to insert the requested action
866 * Action configuration.
867 * @param[in, out] action_flags
868 * Pointer to the detected actions.
869 * @param[in] dev_flow
870 * Pointer to mlx5_flow.
873 flow_verbs_translate_action_rss(struct mlx5_flow *dev_flow,
874 const struct rte_flow_action *action)
876 const struct rte_flow_action_rss *rss = action->conf;
877 const uint8_t *rss_key;
878 struct rte_flow *flow = dev_flow->flow;
881 memcpy((*flow->queue), rss->queue,
882 rss->queue_num * sizeof(uint16_t));
883 flow->rss.queue_num = rss->queue_num;
884 /* NULL RSS key indicates default RSS key. */
885 rss_key = !rss->key ? rss_hash_default_key : rss->key;
886 memcpy(flow->key, rss_key, MLX5_RSS_HASH_KEY_LEN);
887 /* RSS type 0 indicates default RSS type (ETH_RSS_IP). */
888 flow->rss.types = !rss->types ? ETH_RSS_IP : rss->types;
889 flow->rss.level = rss->level;
893 * Convert the @p action into a Verbs specification. This function assumes that
894 * the input is valid and that there is space to insert the requested action
897 * @param[in] dev_flow
898 * Pointer to mlx5_flow.
900 * Action configuration.
903 flow_verbs_translate_action_flag
904 (struct mlx5_flow *dev_flow,
905 const struct rte_flow_action *action __rte_unused)
907 unsigned int size = sizeof(struct ibv_flow_spec_action_tag);
908 struct ibv_flow_spec_action_tag tag = {
909 .type = IBV_FLOW_SPEC_ACTION_TAG,
911 .tag_id = mlx5_flow_mark_set(MLX5_FLOW_MARK_DEFAULT),
914 flow_verbs_spec_add(&dev_flow->verbs, &tag, size);
918 * Convert the @p action into a Verbs specification. This function assumes that
919 * the input is valid and that there is space to insert the requested action
922 * @param[in] dev_flow
923 * Pointer to mlx5_flow.
925 * Action configuration.
928 flow_verbs_translate_action_mark(struct mlx5_flow *dev_flow,
929 const struct rte_flow_action *action)
931 const struct rte_flow_action_mark *mark = action->conf;
932 unsigned int size = sizeof(struct ibv_flow_spec_action_tag);
933 struct ibv_flow_spec_action_tag tag = {
934 .type = IBV_FLOW_SPEC_ACTION_TAG,
936 .tag_id = mlx5_flow_mark_set(mark->id),
939 flow_verbs_spec_add(&dev_flow->verbs, &tag, size);
943 * Convert the @p action into a Verbs specification. This function assumes that
944 * the input is valid and that there is space to insert the requested action
948 * Pointer to the Ethernet device structure.
950 * Action configuration.
951 * @param[in] dev_flow
952 * Pointer to mlx5_flow.
954 * Pointer to error structure.
957 * 0 On success else a negative errno value is returned and rte_errno is set.
960 flow_verbs_translate_action_count(struct mlx5_flow *dev_flow,
961 const struct rte_flow_action *action,
962 struct rte_eth_dev *dev,
963 struct rte_flow_error *error)
965 const struct rte_flow_action_count *count = action->conf;
966 struct rte_flow *flow = dev_flow->flow;
967 #if defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42) || \
968 defined(HAVE_IBV_DEVICE_COUNTERS_SET_V45)
969 unsigned int size = sizeof(struct ibv_flow_spec_counter_action);
970 struct ibv_flow_spec_counter_action counter = {
971 .type = IBV_FLOW_SPEC_ACTION_COUNT,
976 if (!flow->counter) {
977 flow->counter = flow_verbs_counter_new(dev, count->shared,
980 return rte_flow_error_set(error, rte_errno,
981 RTE_FLOW_ERROR_TYPE_ACTION,
986 #if defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42)
987 counter.counter_set_handle = flow->counter->cs->handle;
988 flow_verbs_spec_add(&dev_flow->verbs, &counter, size);
989 #elif defined(HAVE_IBV_DEVICE_COUNTERS_SET_V45)
990 counter.counters = flow->counter->cs;
991 flow_verbs_spec_add(&dev_flow->verbs, &counter, size);
997 * Internal validation function. For validating both actions and items.
1000 * Pointer to the Ethernet device structure.
1002 * Pointer to the flow attributes.
1004 * Pointer to the list of items.
1005 * @param[in] actions
1006 * Pointer to the list of actions.
1008 * Pointer to the error structure.
1011 * 0 on success, a negative errno value otherwise and rte_errno is set.
1014 flow_verbs_validate(struct rte_eth_dev *dev,
1015 const struct rte_flow_attr *attr,
1016 const struct rte_flow_item items[],
1017 const struct rte_flow_action actions[],
1018 struct rte_flow_error *error)
1021 uint64_t action_flags = 0;
1022 uint64_t item_flags = 0;
1023 uint64_t last_item = 0;
1024 uint8_t next_protocol = 0xff;
1028 ret = mlx5_flow_validate_attributes(dev, attr, error);
1031 for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
1032 int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
1035 switch (items->type) {
1036 case RTE_FLOW_ITEM_TYPE_VOID:
1038 case RTE_FLOW_ITEM_TYPE_ETH:
1039 ret = mlx5_flow_validate_item_eth(items, item_flags,
1043 last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L2 :
1044 MLX5_FLOW_LAYER_OUTER_L2;
1046 case RTE_FLOW_ITEM_TYPE_VLAN:
1047 ret = mlx5_flow_validate_item_vlan(items, item_flags,
1051 last_item = tunnel ? (MLX5_FLOW_LAYER_INNER_L2 |
1052 MLX5_FLOW_LAYER_INNER_VLAN) :
1053 (MLX5_FLOW_LAYER_OUTER_L2 |
1054 MLX5_FLOW_LAYER_OUTER_VLAN);
1056 case RTE_FLOW_ITEM_TYPE_IPV4:
1057 ret = mlx5_flow_validate_item_ipv4(items, item_flags,
1061 last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV4 :
1062 MLX5_FLOW_LAYER_OUTER_L3_IPV4;
1063 if (items->mask != NULL &&
1064 ((const struct rte_flow_item_ipv4 *)
1065 items->mask)->hdr.next_proto_id) {
1067 ((const struct rte_flow_item_ipv4 *)
1068 (items->spec))->hdr.next_proto_id;
1070 ((const struct rte_flow_item_ipv4 *)
1071 (items->mask))->hdr.next_proto_id;
1073 /* Reset for inner layer. */
1074 next_protocol = 0xff;
1077 case RTE_FLOW_ITEM_TYPE_IPV6:
1078 ret = mlx5_flow_validate_item_ipv6(items, item_flags,
1082 last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV6 :
1083 MLX5_FLOW_LAYER_OUTER_L3_IPV6;
1084 if (items->mask != NULL &&
1085 ((const struct rte_flow_item_ipv6 *)
1086 items->mask)->hdr.proto) {
1088 ((const struct rte_flow_item_ipv6 *)
1089 items->spec)->hdr.proto;
1091 ((const struct rte_flow_item_ipv6 *)
1092 items->mask)->hdr.proto;
1094 /* Reset for inner layer. */
1095 next_protocol = 0xff;
1098 case RTE_FLOW_ITEM_TYPE_UDP:
1099 ret = mlx5_flow_validate_item_udp(items, item_flags,
1104 last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L4_UDP :
1105 MLX5_FLOW_LAYER_OUTER_L4_UDP;
1107 case RTE_FLOW_ITEM_TYPE_TCP:
1108 ret = mlx5_flow_validate_item_tcp
1111 &rte_flow_item_tcp_mask,
1115 last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L4_TCP :
1116 MLX5_FLOW_LAYER_OUTER_L4_TCP;
1118 case RTE_FLOW_ITEM_TYPE_VXLAN:
1119 ret = mlx5_flow_validate_item_vxlan(items, item_flags,
1123 last_item = MLX5_FLOW_LAYER_VXLAN;
1125 case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
1126 ret = mlx5_flow_validate_item_vxlan_gpe(items,
1131 last_item = MLX5_FLOW_LAYER_VXLAN_GPE;
1133 case RTE_FLOW_ITEM_TYPE_GRE:
1134 ret = mlx5_flow_validate_item_gre(items, item_flags,
1135 next_protocol, error);
1138 last_item = MLX5_FLOW_LAYER_GRE;
1140 case RTE_FLOW_ITEM_TYPE_MPLS:
1141 ret = mlx5_flow_validate_item_mpls(dev, items,
1146 last_item = MLX5_FLOW_LAYER_MPLS;
1149 return rte_flow_error_set(error, ENOTSUP,
1150 RTE_FLOW_ERROR_TYPE_ITEM,
1151 NULL, "item not supported");
1153 item_flags |= last_item;
1155 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
1156 switch (actions->type) {
1157 case RTE_FLOW_ACTION_TYPE_VOID:
1159 case RTE_FLOW_ACTION_TYPE_FLAG:
1160 ret = mlx5_flow_validate_action_flag(action_flags,
1165 action_flags |= MLX5_FLOW_ACTION_FLAG;
1167 case RTE_FLOW_ACTION_TYPE_MARK:
1168 ret = mlx5_flow_validate_action_mark(actions,
1174 action_flags |= MLX5_FLOW_ACTION_MARK;
1176 case RTE_FLOW_ACTION_TYPE_DROP:
1177 ret = mlx5_flow_validate_action_drop(action_flags,
1182 action_flags |= MLX5_FLOW_ACTION_DROP;
1184 case RTE_FLOW_ACTION_TYPE_QUEUE:
1185 ret = mlx5_flow_validate_action_queue(actions,
1191 action_flags |= MLX5_FLOW_ACTION_QUEUE;
1193 case RTE_FLOW_ACTION_TYPE_RSS:
1194 ret = mlx5_flow_validate_action_rss(actions,
1200 action_flags |= MLX5_FLOW_ACTION_RSS;
1202 case RTE_FLOW_ACTION_TYPE_COUNT:
1203 ret = mlx5_flow_validate_action_count(dev, attr, error);
1206 action_flags |= MLX5_FLOW_ACTION_COUNT;
1209 return rte_flow_error_set(error, ENOTSUP,
1210 RTE_FLOW_ERROR_TYPE_ACTION,
1212 "action not supported");
1215 if (!(action_flags & MLX5_FLOW_FATE_ACTIONS))
1216 return rte_flow_error_set(error, EINVAL,
1217 RTE_FLOW_ERROR_TYPE_ACTION, actions,
1218 "no fate action is found");
1223 * Calculate the required bytes that are needed for the action part of the verbs
1226 * @param[in] actions
1227 * Pointer to the list of actions.
1230 * The size of the memory needed for all actions.
1233 flow_verbs_get_actions_size(const struct rte_flow_action actions[])
1237 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
1238 switch (actions->type) {
1239 case RTE_FLOW_ACTION_TYPE_VOID:
1241 case RTE_FLOW_ACTION_TYPE_FLAG:
1242 size += sizeof(struct ibv_flow_spec_action_tag);
1244 case RTE_FLOW_ACTION_TYPE_MARK:
1245 size += sizeof(struct ibv_flow_spec_action_tag);
1247 case RTE_FLOW_ACTION_TYPE_DROP:
1248 size += sizeof(struct ibv_flow_spec_action_drop);
1250 case RTE_FLOW_ACTION_TYPE_QUEUE:
1252 case RTE_FLOW_ACTION_TYPE_RSS:
1254 case RTE_FLOW_ACTION_TYPE_COUNT:
1255 #if defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42) || \
1256 defined(HAVE_IBV_DEVICE_COUNTERS_SET_V45)
1257 size += sizeof(struct ibv_flow_spec_counter_action);
1268 * Calculate the required bytes that are needed for the item part of the verbs
1272 * Pointer to the list of items.
1275 * The size of the memory needed for all items.
1278 flow_verbs_get_items_size(const struct rte_flow_item items[])
1282 for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
1283 switch (items->type) {
1284 case RTE_FLOW_ITEM_TYPE_VOID:
1286 case RTE_FLOW_ITEM_TYPE_ETH:
1287 size += sizeof(struct ibv_flow_spec_eth);
1289 case RTE_FLOW_ITEM_TYPE_VLAN:
1290 size += sizeof(struct ibv_flow_spec_eth);
1292 case RTE_FLOW_ITEM_TYPE_IPV4:
1293 size += sizeof(struct ibv_flow_spec_ipv4_ext);
1295 case RTE_FLOW_ITEM_TYPE_IPV6:
1296 size += sizeof(struct ibv_flow_spec_ipv6);
1298 case RTE_FLOW_ITEM_TYPE_UDP:
1299 size += sizeof(struct ibv_flow_spec_tcp_udp);
1301 case RTE_FLOW_ITEM_TYPE_TCP:
1302 size += sizeof(struct ibv_flow_spec_tcp_udp);
1304 case RTE_FLOW_ITEM_TYPE_VXLAN:
1305 size += sizeof(struct ibv_flow_spec_tunnel);
1307 case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
1308 size += sizeof(struct ibv_flow_spec_tunnel);
1310 #ifdef HAVE_IBV_DEVICE_MPLS_SUPPORT
1311 case RTE_FLOW_ITEM_TYPE_GRE:
1312 size += sizeof(struct ibv_flow_spec_gre);
1314 case RTE_FLOW_ITEM_TYPE_MPLS:
1315 size += sizeof(struct ibv_flow_spec_mpls);
1318 case RTE_FLOW_ITEM_TYPE_GRE:
1319 size += sizeof(struct ibv_flow_spec_tunnel);
1330 * Internal preparation function. Allocate mlx5_flow with the required size.
1331 * The required size is calculate based on the actions and items. This function
1332 * also returns the detected actions and items for later use.
1335 * Pointer to the flow attributes.
1337 * Pointer to the list of items.
1338 * @param[in] actions
1339 * Pointer to the list of actions.
1341 * Pointer to the error structure.
1344 * Pointer to mlx5_flow object on success, otherwise NULL and rte_errno
1347 static struct mlx5_flow *
1348 flow_verbs_prepare(const struct rte_flow_attr *attr __rte_unused,
1349 const struct rte_flow_item items[],
1350 const struct rte_flow_action actions[],
1351 struct rte_flow_error *error)
1353 uint32_t size = sizeof(struct mlx5_flow) + sizeof(struct ibv_flow_attr);
1354 struct mlx5_flow *flow;
1356 size += flow_verbs_get_actions_size(actions);
1357 size += flow_verbs_get_items_size(items);
1358 flow = rte_calloc(__func__, 1, size, 0);
1360 rte_flow_error_set(error, ENOMEM,
1361 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
1362 "not enough memory to create flow");
1365 flow->verbs.attr = (void *)(flow + 1);
1367 (uint8_t *)(flow + 1) + sizeof(struct ibv_flow_attr);
1372 * Fill the flow with verb spec.
1375 * Pointer to Ethernet device.
1376 * @param[in, out] dev_flow
1377 * Pointer to the mlx5 flow.
1379 * Pointer to the flow attributes.
1381 * Pointer to the list of items.
1382 * @param[in] actions
1383 * Pointer to the list of actions.
1385 * Pointer to the error structure.
1388 * 0 on success, else a negative errno value otherwise and rte_ernno is set.
1391 flow_verbs_translate(struct rte_eth_dev *dev,
1392 struct mlx5_flow *dev_flow,
1393 const struct rte_flow_attr *attr,
1394 const struct rte_flow_item items[],
1395 const struct rte_flow_action actions[],
1396 struct rte_flow_error *error)
1398 struct rte_flow *flow = dev_flow->flow;
1399 uint64_t item_flags = 0;
1400 uint64_t action_flags = 0;
1401 uint64_t priority = attr->priority;
1402 uint32_t subpriority = 0;
1403 struct mlx5_priv *priv = dev->data->dev_private;
1405 if (priority == MLX5_FLOW_PRIO_RSVD)
1406 priority = priv->config.flow_prio - 1;
1407 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
1410 switch (actions->type) {
1411 case RTE_FLOW_ACTION_TYPE_VOID:
1413 case RTE_FLOW_ACTION_TYPE_FLAG:
1414 flow_verbs_translate_action_flag(dev_flow, actions);
1415 action_flags |= MLX5_FLOW_ACTION_FLAG;
1417 case RTE_FLOW_ACTION_TYPE_MARK:
1418 flow_verbs_translate_action_mark(dev_flow, actions);
1419 action_flags |= MLX5_FLOW_ACTION_MARK;
1421 case RTE_FLOW_ACTION_TYPE_DROP:
1422 flow_verbs_translate_action_drop(dev_flow, actions);
1423 action_flags |= MLX5_FLOW_ACTION_DROP;
1425 case RTE_FLOW_ACTION_TYPE_QUEUE:
1426 flow_verbs_translate_action_queue(dev_flow, actions);
1427 action_flags |= MLX5_FLOW_ACTION_QUEUE;
1429 case RTE_FLOW_ACTION_TYPE_RSS:
1430 flow_verbs_translate_action_rss(dev_flow, actions);
1431 action_flags |= MLX5_FLOW_ACTION_RSS;
1433 case RTE_FLOW_ACTION_TYPE_COUNT:
1434 ret = flow_verbs_translate_action_count(dev_flow,
1439 action_flags |= MLX5_FLOW_ACTION_COUNT;
1442 return rte_flow_error_set(error, ENOTSUP,
1443 RTE_FLOW_ERROR_TYPE_ACTION,
1445 "action not supported");
1448 flow->actions = action_flags;
1449 for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
1450 int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
1452 switch (items->type) {
1453 case RTE_FLOW_ITEM_TYPE_VOID:
1455 case RTE_FLOW_ITEM_TYPE_ETH:
1456 flow_verbs_translate_item_eth(dev_flow, items,
1458 subpriority = MLX5_PRIORITY_MAP_L2;
1459 item_flags |= tunnel ? MLX5_FLOW_LAYER_INNER_L2 :
1460 MLX5_FLOW_LAYER_OUTER_L2;
1462 case RTE_FLOW_ITEM_TYPE_VLAN:
1463 flow_verbs_translate_item_vlan(dev_flow, items,
1465 subpriority = MLX5_PRIORITY_MAP_L2;
1466 item_flags |= tunnel ? (MLX5_FLOW_LAYER_INNER_L2 |
1467 MLX5_FLOW_LAYER_INNER_VLAN) :
1468 (MLX5_FLOW_LAYER_OUTER_L2 |
1469 MLX5_FLOW_LAYER_OUTER_VLAN);
1471 case RTE_FLOW_ITEM_TYPE_IPV4:
1472 flow_verbs_translate_item_ipv4(dev_flow, items,
1474 subpriority = MLX5_PRIORITY_MAP_L3;
1475 dev_flow->verbs.hash_fields |=
1476 mlx5_flow_hashfields_adjust
1478 MLX5_IPV4_LAYER_TYPES,
1479 MLX5_IPV4_IBV_RX_HASH);
1480 item_flags |= tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV4 :
1481 MLX5_FLOW_LAYER_OUTER_L3_IPV4;
1483 case RTE_FLOW_ITEM_TYPE_IPV6:
1484 flow_verbs_translate_item_ipv6(dev_flow, items,
1486 subpriority = MLX5_PRIORITY_MAP_L3;
1487 dev_flow->verbs.hash_fields |=
1488 mlx5_flow_hashfields_adjust
1490 MLX5_IPV6_LAYER_TYPES,
1491 MLX5_IPV6_IBV_RX_HASH);
1492 item_flags |= tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV6 :
1493 MLX5_FLOW_LAYER_OUTER_L3_IPV6;
1495 case RTE_FLOW_ITEM_TYPE_TCP:
1496 flow_verbs_translate_item_tcp(dev_flow, items,
1498 subpriority = MLX5_PRIORITY_MAP_L4;
1499 dev_flow->verbs.hash_fields |=
1500 mlx5_flow_hashfields_adjust
1501 (dev_flow, tunnel, ETH_RSS_TCP,
1502 (IBV_RX_HASH_SRC_PORT_TCP |
1503 IBV_RX_HASH_DST_PORT_TCP));
1504 item_flags |= tunnel ? MLX5_FLOW_LAYER_INNER_L4_TCP :
1505 MLX5_FLOW_LAYER_OUTER_L4_TCP;
1507 case RTE_FLOW_ITEM_TYPE_UDP:
1508 flow_verbs_translate_item_udp(dev_flow, items,
1510 subpriority = MLX5_PRIORITY_MAP_L4;
1511 dev_flow->verbs.hash_fields |=
1512 mlx5_flow_hashfields_adjust
1513 (dev_flow, tunnel, ETH_RSS_UDP,
1514 (IBV_RX_HASH_SRC_PORT_UDP |
1515 IBV_RX_HASH_DST_PORT_UDP));
1516 item_flags |= tunnel ? MLX5_FLOW_LAYER_INNER_L4_UDP :
1517 MLX5_FLOW_LAYER_OUTER_L4_UDP;
1519 case RTE_FLOW_ITEM_TYPE_VXLAN:
1520 flow_verbs_translate_item_vxlan(dev_flow, items,
1522 subpriority = MLX5_PRIORITY_MAP_L2;
1523 item_flags |= MLX5_FLOW_LAYER_VXLAN;
1525 case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
1526 flow_verbs_translate_item_vxlan_gpe(dev_flow, items,
1528 subpriority = MLX5_PRIORITY_MAP_L2;
1529 item_flags |= MLX5_FLOW_LAYER_VXLAN_GPE;
1531 case RTE_FLOW_ITEM_TYPE_GRE:
1532 flow_verbs_translate_item_gre(dev_flow, items,
1534 subpriority = MLX5_PRIORITY_MAP_L2;
1535 item_flags |= MLX5_FLOW_LAYER_GRE;
1537 case RTE_FLOW_ITEM_TYPE_MPLS:
1538 flow_verbs_translate_item_mpls(dev_flow, items,
1540 subpriority = MLX5_PRIORITY_MAP_L2;
1541 item_flags |= MLX5_FLOW_LAYER_MPLS;
1544 return rte_flow_error_set(error, ENOTSUP,
1545 RTE_FLOW_ERROR_TYPE_ITEM,
1547 "item not supported");
1550 dev_flow->layers = item_flags;
1551 dev_flow->verbs.attr->priority =
1552 mlx5_flow_adjust_priority(dev, priority, subpriority);
1553 dev_flow->verbs.attr->port = (uint8_t)priv->ibv_port;
1558 * Remove the flow from the NIC but keeps it in memory.
1561 * Pointer to the Ethernet device structure.
1562 * @param[in, out] flow
1563 * Pointer to flow structure.
1566 flow_verbs_remove(struct rte_eth_dev *dev, struct rte_flow *flow)
1568 struct mlx5_flow_verbs *verbs;
1569 struct mlx5_flow *dev_flow;
1573 LIST_FOREACH(dev_flow, &flow->dev_flows, next) {
1574 verbs = &dev_flow->verbs;
1576 claim_zero(mlx5_glue->destroy_flow(verbs->flow));
1580 if (flow->actions & MLX5_FLOW_ACTION_DROP)
1581 mlx5_hrxq_drop_release(dev);
1583 mlx5_hrxq_release(dev, verbs->hrxq);
1590 * Remove the flow from the NIC and the memory.
1593 * Pointer to the Ethernet device structure.
1594 * @param[in, out] flow
1595 * Pointer to flow structure.
1598 flow_verbs_destroy(struct rte_eth_dev *dev, struct rte_flow *flow)
1600 struct mlx5_flow *dev_flow;
1604 flow_verbs_remove(dev, flow);
1605 while (!LIST_EMPTY(&flow->dev_flows)) {
1606 dev_flow = LIST_FIRST(&flow->dev_flows);
1607 LIST_REMOVE(dev_flow, next);
1610 if (flow->counter) {
1611 flow_verbs_counter_release(flow->counter);
1612 flow->counter = NULL;
1617 * Apply the flow to the NIC.
1620 * Pointer to the Ethernet device structure.
1621 * @param[in, out] flow
1622 * Pointer to flow structure.
1624 * Pointer to error structure.
1627 * 0 on success, a negative errno value otherwise and rte_errno is set.
1630 flow_verbs_apply(struct rte_eth_dev *dev, struct rte_flow *flow,
1631 struct rte_flow_error *error)
1633 struct mlx5_flow_verbs *verbs;
1634 struct mlx5_flow *dev_flow;
1637 LIST_FOREACH(dev_flow, &flow->dev_flows, next) {
1638 verbs = &dev_flow->verbs;
1639 if (flow->actions & MLX5_FLOW_ACTION_DROP) {
1640 verbs->hrxq = mlx5_hrxq_drop_new(dev);
1644 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
1645 "cannot get drop hash queue");
1649 struct mlx5_hrxq *hrxq;
1651 hrxq = mlx5_hrxq_get(dev, flow->key,
1652 MLX5_RSS_HASH_KEY_LEN,
1655 flow->rss.queue_num);
1657 hrxq = mlx5_hrxq_new(dev, flow->key,
1658 MLX5_RSS_HASH_KEY_LEN,
1661 flow->rss.queue_num,
1662 !!(dev_flow->layers &
1663 MLX5_FLOW_LAYER_TUNNEL));
1667 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
1668 "cannot get hash queue");
1673 verbs->flow = mlx5_glue->create_flow(verbs->hrxq->qp,
1676 rte_flow_error_set(error, errno,
1677 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1679 "hardware refuses to create flow");
1685 err = rte_errno; /* Save rte_errno before cleanup. */
1686 LIST_FOREACH(dev_flow, &flow->dev_flows, next) {
1687 verbs = &dev_flow->verbs;
1689 if (flow->actions & MLX5_FLOW_ACTION_DROP)
1690 mlx5_hrxq_drop_release(dev);
1692 mlx5_hrxq_release(dev, verbs->hrxq);
1696 rte_errno = err; /* Restore rte_errno. */
1703 * @see rte_flow_query()
1707 flow_verbs_query(struct rte_eth_dev *dev,
1708 struct rte_flow *flow,
1709 const struct rte_flow_action *actions,
1711 struct rte_flow_error *error)
1715 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
1716 switch (actions->type) {
1717 case RTE_FLOW_ACTION_TYPE_VOID:
1719 case RTE_FLOW_ACTION_TYPE_COUNT:
1720 ret = flow_verbs_counter_query(dev, flow, data, error);
1723 return rte_flow_error_set(error, ENOTSUP,
1724 RTE_FLOW_ERROR_TYPE_ACTION,
1726 "action not supported");
1732 const struct mlx5_flow_driver_ops mlx5_flow_verbs_drv_ops = {
1733 .validate = flow_verbs_validate,
1734 .prepare = flow_verbs_prepare,
1735 .translate = flow_verbs_translate,
1736 .apply = flow_verbs_apply,
1737 .remove = flow_verbs_remove,
1738 .destroy = flow_verbs_destroy,
1739 .query = flow_verbs_query,