1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright 2018 Mellanox Technologies, Ltd
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_ethdev_driver.h>
25 #include <rte_flow_driver.h>
26 #include <rte_malloc.h>
29 #include <rte_vxlan.h>
32 #include <mlx5_glue.h>
33 #include <mlx5_devx_cmds.h>
36 #include "mlx5_defs.h"
38 #include "mlx5_flow.h"
39 #include "mlx5_rxtx.h"
41 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
43 #ifndef HAVE_IBV_FLOW_DEVX_COUNTERS
44 #define MLX5DV_FLOW_ACTION_COUNTERS_DEVX 0
47 #ifndef HAVE_MLX5DV_DR_ESWITCH
48 #ifndef MLX5DV_FLOW_TABLE_TYPE_FDB
49 #define MLX5DV_FLOW_TABLE_TYPE_FDB 0
53 #ifndef HAVE_MLX5DV_DR
54 #define MLX5DV_DR_ACTION_FLAGS_ROOT_LEVEL 1
57 /* VLAN header definitions */
58 #define MLX5DV_FLOW_VLAN_PCP_SHIFT 13
59 #define MLX5DV_FLOW_VLAN_PCP_MASK (0x7 << MLX5DV_FLOW_VLAN_PCP_SHIFT)
60 #define MLX5DV_FLOW_VLAN_VID_MASK 0x0fff
61 #define MLX5DV_FLOW_VLAN_PCP_MASK_BE RTE_BE16(MLX5DV_FLOW_VLAN_PCP_MASK)
62 #define MLX5DV_FLOW_VLAN_VID_MASK_BE RTE_BE16(MLX5DV_FLOW_VLAN_VID_MASK)
77 * Initialize flow attributes structure according to flow items' types.
79 * flow_dv_validate() avoids multiple L3/L4 layers cases other than tunnel
80 * mode. For tunnel mode, the items to be modified are the outermost ones.
83 * Pointer to item specification.
85 * Pointer to flow attributes structure.
87 * Pointer to the sub flow.
88 * @param[in] tunnel_decap
89 * Whether action is after tunnel decapsulation.
92 flow_dv_attr_init(const struct rte_flow_item *item, union flow_dv_attr *attr,
93 struct mlx5_flow *dev_flow, bool tunnel_decap)
96 * If layers is already initialized, it means this dev_flow is the
97 * suffix flow, the layers flags is set by the prefix flow. Need to
98 * use the layer flags from prefix flow as the suffix flow may not
99 * have the user defined items as the flow is split.
101 if (dev_flow->layers) {
102 if (dev_flow->layers & MLX5_FLOW_LAYER_OUTER_L3_IPV4)
104 else if (dev_flow->layers & MLX5_FLOW_LAYER_OUTER_L3_IPV6)
106 if (dev_flow->layers & MLX5_FLOW_LAYER_OUTER_L4_TCP)
108 else if (dev_flow->layers & MLX5_FLOW_LAYER_OUTER_L4_UDP)
113 for (; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
114 uint8_t next_protocol = 0xff;
115 switch (item->type) {
116 case RTE_FLOW_ITEM_TYPE_GRE:
117 case RTE_FLOW_ITEM_TYPE_NVGRE:
118 case RTE_FLOW_ITEM_TYPE_VXLAN:
119 case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
120 case RTE_FLOW_ITEM_TYPE_GENEVE:
121 case RTE_FLOW_ITEM_TYPE_MPLS:
125 case RTE_FLOW_ITEM_TYPE_IPV4:
128 if (item->mask != NULL &&
129 ((const struct rte_flow_item_ipv4 *)
130 item->mask)->hdr.next_proto_id)
132 ((const struct rte_flow_item_ipv4 *)
133 (item->spec))->hdr.next_proto_id &
134 ((const struct rte_flow_item_ipv4 *)
135 (item->mask))->hdr.next_proto_id;
136 if ((next_protocol == IPPROTO_IPIP ||
137 next_protocol == IPPROTO_IPV6) && tunnel_decap)
140 case RTE_FLOW_ITEM_TYPE_IPV6:
143 if (item->mask != NULL &&
144 ((const struct rte_flow_item_ipv6 *)
145 item->mask)->hdr.proto)
147 ((const struct rte_flow_item_ipv6 *)
148 (item->spec))->hdr.proto &
149 ((const struct rte_flow_item_ipv6 *)
150 (item->mask))->hdr.proto;
151 if ((next_protocol == IPPROTO_IPIP ||
152 next_protocol == IPPROTO_IPV6) && tunnel_decap)
155 case RTE_FLOW_ITEM_TYPE_UDP:
159 case RTE_FLOW_ITEM_TYPE_TCP:
171 * Convert rte_mtr_color to mlx5 color.
180 rte_col_2_mlx5_col(enum rte_color rcol)
183 case RTE_COLOR_GREEN:
184 return MLX5_FLOW_COLOR_GREEN;
185 case RTE_COLOR_YELLOW:
186 return MLX5_FLOW_COLOR_YELLOW;
188 return MLX5_FLOW_COLOR_RED;
192 return MLX5_FLOW_COLOR_UNDEFINED;
195 struct field_modify_info {
196 uint32_t size; /* Size of field in protocol header, in bytes. */
197 uint32_t offset; /* Offset of field in protocol header, in bytes. */
198 enum mlx5_modification_field id;
201 struct field_modify_info modify_eth[] = {
202 {4, 0, MLX5_MODI_OUT_DMAC_47_16},
203 {2, 4, MLX5_MODI_OUT_DMAC_15_0},
204 {4, 6, MLX5_MODI_OUT_SMAC_47_16},
205 {2, 10, MLX5_MODI_OUT_SMAC_15_0},
209 struct field_modify_info modify_vlan_out_first_vid[] = {
210 /* Size in bits !!! */
211 {12, 0, MLX5_MODI_OUT_FIRST_VID},
215 struct field_modify_info modify_ipv4[] = {
216 {1, 1, MLX5_MODI_OUT_IP_DSCP},
217 {1, 8, MLX5_MODI_OUT_IPV4_TTL},
218 {4, 12, MLX5_MODI_OUT_SIPV4},
219 {4, 16, MLX5_MODI_OUT_DIPV4},
223 struct field_modify_info modify_ipv6[] = {
224 {1, 0, MLX5_MODI_OUT_IP_DSCP},
225 {1, 7, MLX5_MODI_OUT_IPV6_HOPLIMIT},
226 {4, 8, MLX5_MODI_OUT_SIPV6_127_96},
227 {4, 12, MLX5_MODI_OUT_SIPV6_95_64},
228 {4, 16, MLX5_MODI_OUT_SIPV6_63_32},
229 {4, 20, MLX5_MODI_OUT_SIPV6_31_0},
230 {4, 24, MLX5_MODI_OUT_DIPV6_127_96},
231 {4, 28, MLX5_MODI_OUT_DIPV6_95_64},
232 {4, 32, MLX5_MODI_OUT_DIPV6_63_32},
233 {4, 36, MLX5_MODI_OUT_DIPV6_31_0},
237 struct field_modify_info modify_udp[] = {
238 {2, 0, MLX5_MODI_OUT_UDP_SPORT},
239 {2, 2, MLX5_MODI_OUT_UDP_DPORT},
243 struct field_modify_info modify_tcp[] = {
244 {2, 0, MLX5_MODI_OUT_TCP_SPORT},
245 {2, 2, MLX5_MODI_OUT_TCP_DPORT},
246 {4, 4, MLX5_MODI_OUT_TCP_SEQ_NUM},
247 {4, 8, MLX5_MODI_OUT_TCP_ACK_NUM},
252 mlx5_flow_tunnel_ip_check(const struct rte_flow_item *item __rte_unused,
253 uint8_t next_protocol, uint64_t *item_flags,
256 MLX5_ASSERT(item->type == RTE_FLOW_ITEM_TYPE_IPV4 ||
257 item->type == RTE_FLOW_ITEM_TYPE_IPV6);
258 if (next_protocol == IPPROTO_IPIP) {
259 *item_flags |= MLX5_FLOW_LAYER_IPIP;
262 if (next_protocol == IPPROTO_IPV6) {
263 *item_flags |= MLX5_FLOW_LAYER_IPV6_ENCAP;
269 * Acquire the synchronizing object to protect multithreaded access
270 * to shared dv context. Lock occurs only if context is actually
271 * shared, i.e. we have multiport IB device and representors are
275 * Pointer to the rte_eth_dev structure.
278 flow_dv_shared_lock(struct rte_eth_dev *dev)
280 struct mlx5_priv *priv = dev->data->dev_private;
281 struct mlx5_ibv_shared *sh = priv->sh;
283 if (sh->dv_refcnt > 1) {
286 ret = pthread_mutex_lock(&sh->dv_mutex);
293 flow_dv_shared_unlock(struct rte_eth_dev *dev)
295 struct mlx5_priv *priv = dev->data->dev_private;
296 struct mlx5_ibv_shared *sh = priv->sh;
298 if (sh->dv_refcnt > 1) {
301 ret = pthread_mutex_unlock(&sh->dv_mutex);
307 /* Update VLAN's VID/PCP based on input rte_flow_action.
310 * Pointer to struct rte_flow_action.
312 * Pointer to struct rte_vlan_hdr.
315 mlx5_update_vlan_vid_pcp(const struct rte_flow_action *action,
316 struct rte_vlan_hdr *vlan)
319 if (action->type == RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_PCP) {
321 ((const struct rte_flow_action_of_set_vlan_pcp *)
322 action->conf)->vlan_pcp;
323 vlan_tci = vlan_tci << MLX5DV_FLOW_VLAN_PCP_SHIFT;
324 vlan->vlan_tci &= ~MLX5DV_FLOW_VLAN_PCP_MASK;
325 vlan->vlan_tci |= vlan_tci;
326 } else if (action->type == RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID) {
327 vlan->vlan_tci &= ~MLX5DV_FLOW_VLAN_VID_MASK;
328 vlan->vlan_tci |= rte_be_to_cpu_16
329 (((const struct rte_flow_action_of_set_vlan_vid *)
330 action->conf)->vlan_vid);
335 * Fetch 1, 2, 3 or 4 byte field from the byte array
336 * and return as unsigned integer in host-endian format.
339 * Pointer to data array.
341 * Size of field to extract.
344 * converted field in host endian format.
346 static inline uint32_t
347 flow_dv_fetch_field(const uint8_t *data, uint32_t size)
356 ret = rte_be_to_cpu_16(*(const unaligned_uint16_t *)data);
359 ret = rte_be_to_cpu_16(*(const unaligned_uint16_t *)data);
360 ret = (ret << 8) | *(data + sizeof(uint16_t));
363 ret = rte_be_to_cpu_32(*(const unaligned_uint32_t *)data);
374 * Convert modify-header action to DV specification.
376 * Data length of each action is determined by provided field description
377 * and the item mask. Data bit offset and width of each action is determined
378 * by provided item mask.
381 * Pointer to item specification.
383 * Pointer to field modification information.
384 * For MLX5_MODIFICATION_TYPE_SET specifies destination field.
385 * For MLX5_MODIFICATION_TYPE_ADD specifies destination field.
386 * For MLX5_MODIFICATION_TYPE_COPY specifies source field.
388 * Destination field info for MLX5_MODIFICATION_TYPE_COPY in @type.
389 * Negative offset value sets the same offset as source offset.
390 * size field is ignored, value is taken from source field.
391 * @param[in,out] resource
392 * Pointer to the modify-header resource.
394 * Type of modification.
396 * Pointer to the error structure.
399 * 0 on success, a negative errno value otherwise and rte_errno is set.
402 flow_dv_convert_modify_action(struct rte_flow_item *item,
403 struct field_modify_info *field,
404 struct field_modify_info *dcopy,
405 struct mlx5_flow_dv_modify_hdr_resource *resource,
406 uint32_t type, struct rte_flow_error *error)
408 uint32_t i = resource->actions_num;
409 struct mlx5_modification_cmd *actions = resource->actions;
412 * The item and mask are provided in big-endian format.
413 * The fields should be presented as in big-endian format either.
414 * Mask must be always present, it defines the actual field width.
416 MLX5_ASSERT(item->mask);
417 MLX5_ASSERT(field->size);
424 if (i >= MLX5_MAX_MODIFY_NUM)
425 return rte_flow_error_set(error, EINVAL,
426 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
427 "too many items to modify");
428 /* Fetch variable byte size mask from the array. */
429 mask = flow_dv_fetch_field((const uint8_t *)item->mask +
430 field->offset, field->size);
435 /* Deduce actual data width in bits from mask value. */
436 off_b = rte_bsf32(mask);
437 size_b = sizeof(uint32_t) * CHAR_BIT -
438 off_b - __builtin_clz(mask);
440 size_b = size_b == sizeof(uint32_t) * CHAR_BIT ? 0 : size_b;
441 actions[i] = (struct mlx5_modification_cmd) {
447 /* Convert entire record to expected big-endian format. */
448 actions[i].data0 = rte_cpu_to_be_32(actions[i].data0);
449 if (type == MLX5_MODIFICATION_TYPE_COPY) {
451 actions[i].dst_field = dcopy->id;
452 actions[i].dst_offset =
453 (int)dcopy->offset < 0 ? off_b : dcopy->offset;
454 /* Convert entire record to big-endian format. */
455 actions[i].data1 = rte_cpu_to_be_32(actions[i].data1);
457 MLX5_ASSERT(item->spec);
458 data = flow_dv_fetch_field((const uint8_t *)item->spec +
459 field->offset, field->size);
460 /* Shift out the trailing masked bits from data. */
461 data = (data & mask) >> off_b;
462 actions[i].data1 = rte_cpu_to_be_32(data);
466 } while (field->size);
467 if (resource->actions_num == i)
468 return rte_flow_error_set(error, EINVAL,
469 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
470 "invalid modification flow item");
471 resource->actions_num = i;
476 * Convert modify-header set IPv4 address action to DV specification.
478 * @param[in,out] resource
479 * Pointer to the modify-header resource.
481 * Pointer to action specification.
483 * Pointer to the error structure.
486 * 0 on success, a negative errno value otherwise and rte_errno is set.
489 flow_dv_convert_action_modify_ipv4
490 (struct mlx5_flow_dv_modify_hdr_resource *resource,
491 const struct rte_flow_action *action,
492 struct rte_flow_error *error)
494 const struct rte_flow_action_set_ipv4 *conf =
495 (const struct rte_flow_action_set_ipv4 *)(action->conf);
496 struct rte_flow_item item = { .type = RTE_FLOW_ITEM_TYPE_IPV4 };
497 struct rte_flow_item_ipv4 ipv4;
498 struct rte_flow_item_ipv4 ipv4_mask;
500 memset(&ipv4, 0, sizeof(ipv4));
501 memset(&ipv4_mask, 0, sizeof(ipv4_mask));
502 if (action->type == RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC) {
503 ipv4.hdr.src_addr = conf->ipv4_addr;
504 ipv4_mask.hdr.src_addr = rte_flow_item_ipv4_mask.hdr.src_addr;
506 ipv4.hdr.dst_addr = conf->ipv4_addr;
507 ipv4_mask.hdr.dst_addr = rte_flow_item_ipv4_mask.hdr.dst_addr;
510 item.mask = &ipv4_mask;
511 return flow_dv_convert_modify_action(&item, modify_ipv4, NULL, resource,
512 MLX5_MODIFICATION_TYPE_SET, error);
516 * Convert modify-header set IPv6 address action to DV specification.
518 * @param[in,out] resource
519 * Pointer to the modify-header resource.
521 * Pointer to action specification.
523 * Pointer to the error structure.
526 * 0 on success, a negative errno value otherwise and rte_errno is set.
529 flow_dv_convert_action_modify_ipv6
530 (struct mlx5_flow_dv_modify_hdr_resource *resource,
531 const struct rte_flow_action *action,
532 struct rte_flow_error *error)
534 const struct rte_flow_action_set_ipv6 *conf =
535 (const struct rte_flow_action_set_ipv6 *)(action->conf);
536 struct rte_flow_item item = { .type = RTE_FLOW_ITEM_TYPE_IPV6 };
537 struct rte_flow_item_ipv6 ipv6;
538 struct rte_flow_item_ipv6 ipv6_mask;
540 memset(&ipv6, 0, sizeof(ipv6));
541 memset(&ipv6_mask, 0, sizeof(ipv6_mask));
542 if (action->type == RTE_FLOW_ACTION_TYPE_SET_IPV6_SRC) {
543 memcpy(&ipv6.hdr.src_addr, &conf->ipv6_addr,
544 sizeof(ipv6.hdr.src_addr));
545 memcpy(&ipv6_mask.hdr.src_addr,
546 &rte_flow_item_ipv6_mask.hdr.src_addr,
547 sizeof(ipv6.hdr.src_addr));
549 memcpy(&ipv6.hdr.dst_addr, &conf->ipv6_addr,
550 sizeof(ipv6.hdr.dst_addr));
551 memcpy(&ipv6_mask.hdr.dst_addr,
552 &rte_flow_item_ipv6_mask.hdr.dst_addr,
553 sizeof(ipv6.hdr.dst_addr));
556 item.mask = &ipv6_mask;
557 return flow_dv_convert_modify_action(&item, modify_ipv6, NULL, resource,
558 MLX5_MODIFICATION_TYPE_SET, error);
562 * Convert modify-header set MAC address action to DV specification.
564 * @param[in,out] resource
565 * Pointer to the modify-header resource.
567 * Pointer to action specification.
569 * Pointer to the error structure.
572 * 0 on success, a negative errno value otherwise and rte_errno is set.
575 flow_dv_convert_action_modify_mac
576 (struct mlx5_flow_dv_modify_hdr_resource *resource,
577 const struct rte_flow_action *action,
578 struct rte_flow_error *error)
580 const struct rte_flow_action_set_mac *conf =
581 (const struct rte_flow_action_set_mac *)(action->conf);
582 struct rte_flow_item item = { .type = RTE_FLOW_ITEM_TYPE_ETH };
583 struct rte_flow_item_eth eth;
584 struct rte_flow_item_eth eth_mask;
586 memset(ð, 0, sizeof(eth));
587 memset(ð_mask, 0, sizeof(eth_mask));
588 if (action->type == RTE_FLOW_ACTION_TYPE_SET_MAC_SRC) {
589 memcpy(ð.src.addr_bytes, &conf->mac_addr,
590 sizeof(eth.src.addr_bytes));
591 memcpy(ð_mask.src.addr_bytes,
592 &rte_flow_item_eth_mask.src.addr_bytes,
593 sizeof(eth_mask.src.addr_bytes));
595 memcpy(ð.dst.addr_bytes, &conf->mac_addr,
596 sizeof(eth.dst.addr_bytes));
597 memcpy(ð_mask.dst.addr_bytes,
598 &rte_flow_item_eth_mask.dst.addr_bytes,
599 sizeof(eth_mask.dst.addr_bytes));
602 item.mask = ð_mask;
603 return flow_dv_convert_modify_action(&item, modify_eth, NULL, resource,
604 MLX5_MODIFICATION_TYPE_SET, error);
608 * Convert modify-header set VLAN VID action to DV specification.
610 * @param[in,out] resource
611 * Pointer to the modify-header resource.
613 * Pointer to action specification.
615 * Pointer to the error structure.
618 * 0 on success, a negative errno value otherwise and rte_errno is set.
621 flow_dv_convert_action_modify_vlan_vid
622 (struct mlx5_flow_dv_modify_hdr_resource *resource,
623 const struct rte_flow_action *action,
624 struct rte_flow_error *error)
626 const struct rte_flow_action_of_set_vlan_vid *conf =
627 (const struct rte_flow_action_of_set_vlan_vid *)(action->conf);
628 int i = resource->actions_num;
629 struct mlx5_modification_cmd *actions = resource->actions;
630 struct field_modify_info *field = modify_vlan_out_first_vid;
632 if (i >= MLX5_MAX_MODIFY_NUM)
633 return rte_flow_error_set(error, EINVAL,
634 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
635 "too many items to modify");
636 actions[i] = (struct mlx5_modification_cmd) {
637 .action_type = MLX5_MODIFICATION_TYPE_SET,
639 .length = field->size,
640 .offset = field->offset,
642 actions[i].data0 = rte_cpu_to_be_32(actions[i].data0);
643 actions[i].data1 = conf->vlan_vid;
644 actions[i].data1 = actions[i].data1 << 16;
645 resource->actions_num = ++i;
650 * Convert modify-header set TP action to DV specification.
652 * @param[in,out] resource
653 * Pointer to the modify-header resource.
655 * Pointer to action specification.
657 * Pointer to rte_flow_item objects list.
659 * Pointer to flow attributes structure.
660 * @param[in] dev_flow
661 * Pointer to the sub flow.
662 * @param[in] tunnel_decap
663 * Whether action is after tunnel decapsulation.
665 * Pointer to the error structure.
668 * 0 on success, a negative errno value otherwise and rte_errno is set.
671 flow_dv_convert_action_modify_tp
672 (struct mlx5_flow_dv_modify_hdr_resource *resource,
673 const struct rte_flow_action *action,
674 const struct rte_flow_item *items,
675 union flow_dv_attr *attr, struct mlx5_flow *dev_flow,
676 bool tunnel_decap, struct rte_flow_error *error)
678 const struct rte_flow_action_set_tp *conf =
679 (const struct rte_flow_action_set_tp *)(action->conf);
680 struct rte_flow_item item;
681 struct rte_flow_item_udp udp;
682 struct rte_flow_item_udp udp_mask;
683 struct rte_flow_item_tcp tcp;
684 struct rte_flow_item_tcp tcp_mask;
685 struct field_modify_info *field;
688 flow_dv_attr_init(items, attr, dev_flow, tunnel_decap);
690 memset(&udp, 0, sizeof(udp));
691 memset(&udp_mask, 0, sizeof(udp_mask));
692 if (action->type == RTE_FLOW_ACTION_TYPE_SET_TP_SRC) {
693 udp.hdr.src_port = conf->port;
694 udp_mask.hdr.src_port =
695 rte_flow_item_udp_mask.hdr.src_port;
697 udp.hdr.dst_port = conf->port;
698 udp_mask.hdr.dst_port =
699 rte_flow_item_udp_mask.hdr.dst_port;
701 item.type = RTE_FLOW_ITEM_TYPE_UDP;
703 item.mask = &udp_mask;
707 memset(&tcp, 0, sizeof(tcp));
708 memset(&tcp_mask, 0, sizeof(tcp_mask));
709 if (action->type == RTE_FLOW_ACTION_TYPE_SET_TP_SRC) {
710 tcp.hdr.src_port = conf->port;
711 tcp_mask.hdr.src_port =
712 rte_flow_item_tcp_mask.hdr.src_port;
714 tcp.hdr.dst_port = conf->port;
715 tcp_mask.hdr.dst_port =
716 rte_flow_item_tcp_mask.hdr.dst_port;
718 item.type = RTE_FLOW_ITEM_TYPE_TCP;
720 item.mask = &tcp_mask;
723 return flow_dv_convert_modify_action(&item, field, NULL, resource,
724 MLX5_MODIFICATION_TYPE_SET, error);
728 * Convert modify-header set TTL action to DV specification.
730 * @param[in,out] resource
731 * Pointer to the modify-header resource.
733 * Pointer to action specification.
735 * Pointer to rte_flow_item objects list.
737 * Pointer to flow attributes structure.
738 * @param[in] dev_flow
739 * Pointer to the sub flow.
740 * @param[in] tunnel_decap
741 * Whether action is after tunnel decapsulation.
743 * Pointer to the error structure.
746 * 0 on success, a negative errno value otherwise and rte_errno is set.
749 flow_dv_convert_action_modify_ttl
750 (struct mlx5_flow_dv_modify_hdr_resource *resource,
751 const struct rte_flow_action *action,
752 const struct rte_flow_item *items,
753 union flow_dv_attr *attr, struct mlx5_flow *dev_flow,
754 bool tunnel_decap, struct rte_flow_error *error)
756 const struct rte_flow_action_set_ttl *conf =
757 (const struct rte_flow_action_set_ttl *)(action->conf);
758 struct rte_flow_item item;
759 struct rte_flow_item_ipv4 ipv4;
760 struct rte_flow_item_ipv4 ipv4_mask;
761 struct rte_flow_item_ipv6 ipv6;
762 struct rte_flow_item_ipv6 ipv6_mask;
763 struct field_modify_info *field;
766 flow_dv_attr_init(items, attr, dev_flow, tunnel_decap);
768 memset(&ipv4, 0, sizeof(ipv4));
769 memset(&ipv4_mask, 0, sizeof(ipv4_mask));
770 ipv4.hdr.time_to_live = conf->ttl_value;
771 ipv4_mask.hdr.time_to_live = 0xFF;
772 item.type = RTE_FLOW_ITEM_TYPE_IPV4;
774 item.mask = &ipv4_mask;
778 memset(&ipv6, 0, sizeof(ipv6));
779 memset(&ipv6_mask, 0, sizeof(ipv6_mask));
780 ipv6.hdr.hop_limits = conf->ttl_value;
781 ipv6_mask.hdr.hop_limits = 0xFF;
782 item.type = RTE_FLOW_ITEM_TYPE_IPV6;
784 item.mask = &ipv6_mask;
787 return flow_dv_convert_modify_action(&item, field, NULL, resource,
788 MLX5_MODIFICATION_TYPE_SET, error);
792 * Convert modify-header decrement TTL action to DV specification.
794 * @param[in,out] resource
795 * Pointer to the modify-header resource.
797 * Pointer to action specification.
799 * Pointer to rte_flow_item objects list.
801 * Pointer to flow attributes structure.
802 * @param[in] dev_flow
803 * Pointer to the sub flow.
804 * @param[in] tunnel_decap
805 * Whether action is after tunnel decapsulation.
807 * Pointer to the error structure.
810 * 0 on success, a negative errno value otherwise and rte_errno is set.
813 flow_dv_convert_action_modify_dec_ttl
814 (struct mlx5_flow_dv_modify_hdr_resource *resource,
815 const struct rte_flow_item *items,
816 union flow_dv_attr *attr, struct mlx5_flow *dev_flow,
817 bool tunnel_decap, struct rte_flow_error *error)
819 struct rte_flow_item item;
820 struct rte_flow_item_ipv4 ipv4;
821 struct rte_flow_item_ipv4 ipv4_mask;
822 struct rte_flow_item_ipv6 ipv6;
823 struct rte_flow_item_ipv6 ipv6_mask;
824 struct field_modify_info *field;
827 flow_dv_attr_init(items, attr, dev_flow, tunnel_decap);
829 memset(&ipv4, 0, sizeof(ipv4));
830 memset(&ipv4_mask, 0, sizeof(ipv4_mask));
831 ipv4.hdr.time_to_live = 0xFF;
832 ipv4_mask.hdr.time_to_live = 0xFF;
833 item.type = RTE_FLOW_ITEM_TYPE_IPV4;
835 item.mask = &ipv4_mask;
839 memset(&ipv6, 0, sizeof(ipv6));
840 memset(&ipv6_mask, 0, sizeof(ipv6_mask));
841 ipv6.hdr.hop_limits = 0xFF;
842 ipv6_mask.hdr.hop_limits = 0xFF;
843 item.type = RTE_FLOW_ITEM_TYPE_IPV6;
845 item.mask = &ipv6_mask;
848 return flow_dv_convert_modify_action(&item, field, NULL, resource,
849 MLX5_MODIFICATION_TYPE_ADD, error);
853 * Convert modify-header increment/decrement TCP Sequence number
854 * to DV specification.
856 * @param[in,out] resource
857 * Pointer to the modify-header resource.
859 * Pointer to action specification.
861 * Pointer to the error structure.
864 * 0 on success, a negative errno value otherwise and rte_errno is set.
867 flow_dv_convert_action_modify_tcp_seq
868 (struct mlx5_flow_dv_modify_hdr_resource *resource,
869 const struct rte_flow_action *action,
870 struct rte_flow_error *error)
872 const rte_be32_t *conf = (const rte_be32_t *)(action->conf);
873 uint64_t value = rte_be_to_cpu_32(*conf);
874 struct rte_flow_item item;
875 struct rte_flow_item_tcp tcp;
876 struct rte_flow_item_tcp tcp_mask;
878 memset(&tcp, 0, sizeof(tcp));
879 memset(&tcp_mask, 0, sizeof(tcp_mask));
880 if (action->type == RTE_FLOW_ACTION_TYPE_DEC_TCP_SEQ)
882 * The HW has no decrement operation, only increment operation.
883 * To simulate decrement X from Y using increment operation
884 * we need to add UINT32_MAX X times to Y.
885 * Each adding of UINT32_MAX decrements Y by 1.
888 tcp.hdr.sent_seq = rte_cpu_to_be_32((uint32_t)value);
889 tcp_mask.hdr.sent_seq = RTE_BE32(UINT32_MAX);
890 item.type = RTE_FLOW_ITEM_TYPE_TCP;
892 item.mask = &tcp_mask;
893 return flow_dv_convert_modify_action(&item, modify_tcp, NULL, resource,
894 MLX5_MODIFICATION_TYPE_ADD, error);
898 * Convert modify-header increment/decrement TCP Acknowledgment number
899 * to DV specification.
901 * @param[in,out] resource
902 * Pointer to the modify-header resource.
904 * Pointer to action specification.
906 * Pointer to the error structure.
909 * 0 on success, a negative errno value otherwise and rte_errno is set.
912 flow_dv_convert_action_modify_tcp_ack
913 (struct mlx5_flow_dv_modify_hdr_resource *resource,
914 const struct rte_flow_action *action,
915 struct rte_flow_error *error)
917 const rte_be32_t *conf = (const rte_be32_t *)(action->conf);
918 uint64_t value = rte_be_to_cpu_32(*conf);
919 struct rte_flow_item item;
920 struct rte_flow_item_tcp tcp;
921 struct rte_flow_item_tcp tcp_mask;
923 memset(&tcp, 0, sizeof(tcp));
924 memset(&tcp_mask, 0, sizeof(tcp_mask));
925 if (action->type == RTE_FLOW_ACTION_TYPE_DEC_TCP_ACK)
927 * The HW has no decrement operation, only increment operation.
928 * To simulate decrement X from Y using increment operation
929 * we need to add UINT32_MAX X times to Y.
930 * Each adding of UINT32_MAX decrements Y by 1.
933 tcp.hdr.recv_ack = rte_cpu_to_be_32((uint32_t)value);
934 tcp_mask.hdr.recv_ack = RTE_BE32(UINT32_MAX);
935 item.type = RTE_FLOW_ITEM_TYPE_TCP;
937 item.mask = &tcp_mask;
938 return flow_dv_convert_modify_action(&item, modify_tcp, NULL, resource,
939 MLX5_MODIFICATION_TYPE_ADD, error);
942 static enum mlx5_modification_field reg_to_field[] = {
943 [REG_NONE] = MLX5_MODI_OUT_NONE,
944 [REG_A] = MLX5_MODI_META_DATA_REG_A,
945 [REG_B] = MLX5_MODI_META_DATA_REG_B,
946 [REG_C_0] = MLX5_MODI_META_REG_C_0,
947 [REG_C_1] = MLX5_MODI_META_REG_C_1,
948 [REG_C_2] = MLX5_MODI_META_REG_C_2,
949 [REG_C_3] = MLX5_MODI_META_REG_C_3,
950 [REG_C_4] = MLX5_MODI_META_REG_C_4,
951 [REG_C_5] = MLX5_MODI_META_REG_C_5,
952 [REG_C_6] = MLX5_MODI_META_REG_C_6,
953 [REG_C_7] = MLX5_MODI_META_REG_C_7,
957 * Convert register set to DV specification.
959 * @param[in,out] resource
960 * Pointer to the modify-header resource.
962 * Pointer to action specification.
964 * Pointer to the error structure.
967 * 0 on success, a negative errno value otherwise and rte_errno is set.
970 flow_dv_convert_action_set_reg
971 (struct mlx5_flow_dv_modify_hdr_resource *resource,
972 const struct rte_flow_action *action,
973 struct rte_flow_error *error)
975 const struct mlx5_rte_flow_action_set_tag *conf = action->conf;
976 struct mlx5_modification_cmd *actions = resource->actions;
977 uint32_t i = resource->actions_num;
979 if (i >= MLX5_MAX_MODIFY_NUM)
980 return rte_flow_error_set(error, EINVAL,
981 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
982 "too many items to modify");
983 MLX5_ASSERT(conf->id != REG_NONE);
984 MLX5_ASSERT(conf->id < RTE_DIM(reg_to_field));
985 actions[i] = (struct mlx5_modification_cmd) {
986 .action_type = MLX5_MODIFICATION_TYPE_SET,
987 .field = reg_to_field[conf->id],
989 actions[i].data0 = rte_cpu_to_be_32(actions[i].data0);
990 actions[i].data1 = rte_cpu_to_be_32(conf->data);
992 resource->actions_num = i;
997 * Convert SET_TAG action to DV specification.
1000 * Pointer to the rte_eth_dev structure.
1001 * @param[in,out] resource
1002 * Pointer to the modify-header resource.
1004 * Pointer to action specification.
1006 * Pointer to the error structure.
1009 * 0 on success, a negative errno value otherwise and rte_errno is set.
1012 flow_dv_convert_action_set_tag
1013 (struct rte_eth_dev *dev,
1014 struct mlx5_flow_dv_modify_hdr_resource *resource,
1015 const struct rte_flow_action_set_tag *conf,
1016 struct rte_flow_error *error)
1018 rte_be32_t data = rte_cpu_to_be_32(conf->data);
1019 rte_be32_t mask = rte_cpu_to_be_32(conf->mask);
1020 struct rte_flow_item item = {
1024 struct field_modify_info reg_c_x[] = {
1027 enum mlx5_modification_field reg_type;
1030 ret = mlx5_flow_get_reg_id(dev, MLX5_APP_TAG, conf->index, error);
1033 MLX5_ASSERT(ret != REG_NONE);
1034 MLX5_ASSERT((unsigned int)ret < RTE_DIM(reg_to_field));
1035 reg_type = reg_to_field[ret];
1036 MLX5_ASSERT(reg_type > 0);
1037 reg_c_x[0] = (struct field_modify_info){4, 0, reg_type};
1038 return flow_dv_convert_modify_action(&item, reg_c_x, NULL, resource,
1039 MLX5_MODIFICATION_TYPE_SET, error);
1043 * Convert internal COPY_REG action to DV specification.
1046 * Pointer to the rte_eth_dev structure.
1047 * @param[in,out] res
1048 * Pointer to the modify-header resource.
1050 * Pointer to action specification.
1052 * Pointer to the error structure.
1055 * 0 on success, a negative errno value otherwise and rte_errno is set.
1058 flow_dv_convert_action_copy_mreg(struct rte_eth_dev *dev,
1059 struct mlx5_flow_dv_modify_hdr_resource *res,
1060 const struct rte_flow_action *action,
1061 struct rte_flow_error *error)
1063 const struct mlx5_flow_action_copy_mreg *conf = action->conf;
1064 rte_be32_t mask = RTE_BE32(UINT32_MAX);
1065 struct rte_flow_item item = {
1069 struct field_modify_info reg_src[] = {
1070 {4, 0, reg_to_field[conf->src]},
1073 struct field_modify_info reg_dst = {
1075 .id = reg_to_field[conf->dst],
1077 /* Adjust reg_c[0] usage according to reported mask. */
1078 if (conf->dst == REG_C_0 || conf->src == REG_C_0) {
1079 struct mlx5_priv *priv = dev->data->dev_private;
1080 uint32_t reg_c0 = priv->sh->dv_regc0_mask;
1082 MLX5_ASSERT(reg_c0);
1083 MLX5_ASSERT(priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY);
1084 if (conf->dst == REG_C_0) {
1085 /* Copy to reg_c[0], within mask only. */
1086 reg_dst.offset = rte_bsf32(reg_c0);
1088 * Mask is ignoring the enianness, because
1089 * there is no conversion in datapath.
1091 #if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
1092 /* Copy from destination lower bits to reg_c[0]. */
1093 mask = reg_c0 >> reg_dst.offset;
1095 /* Copy from destination upper bits to reg_c[0]. */
1096 mask = reg_c0 << (sizeof(reg_c0) * CHAR_BIT -
1097 rte_fls_u32(reg_c0));
1100 mask = rte_cpu_to_be_32(reg_c0);
1101 #if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
1102 /* Copy from reg_c[0] to destination lower bits. */
1105 /* Copy from reg_c[0] to destination upper bits. */
1106 reg_dst.offset = sizeof(reg_c0) * CHAR_BIT -
1107 (rte_fls_u32(reg_c0) -
1112 return flow_dv_convert_modify_action(&item,
1113 reg_src, ®_dst, res,
1114 MLX5_MODIFICATION_TYPE_COPY,
1119 * Convert MARK action to DV specification. This routine is used
1120 * in extensive metadata only and requires metadata register to be
1121 * handled. In legacy mode hardware tag resource is engaged.
1124 * Pointer to the rte_eth_dev structure.
1126 * Pointer to MARK action specification.
1127 * @param[in,out] resource
1128 * Pointer to the modify-header resource.
1130 * Pointer to the error structure.
1133 * 0 on success, a negative errno value otherwise and rte_errno is set.
1136 flow_dv_convert_action_mark(struct rte_eth_dev *dev,
1137 const struct rte_flow_action_mark *conf,
1138 struct mlx5_flow_dv_modify_hdr_resource *resource,
1139 struct rte_flow_error *error)
1141 struct mlx5_priv *priv = dev->data->dev_private;
1142 rte_be32_t mask = rte_cpu_to_be_32(MLX5_FLOW_MARK_MASK &
1143 priv->sh->dv_mark_mask);
1144 rte_be32_t data = rte_cpu_to_be_32(conf->id) & mask;
1145 struct rte_flow_item item = {
1149 struct field_modify_info reg_c_x[] = {
1150 {4, 0, 0}, /* dynamic instead of MLX5_MODI_META_REG_C_1. */
1156 return rte_flow_error_set(error, EINVAL,
1157 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1158 NULL, "zero mark action mask");
1159 reg = mlx5_flow_get_reg_id(dev, MLX5_FLOW_MARK, 0, error);
1162 MLX5_ASSERT(reg > 0);
1163 if (reg == REG_C_0) {
1164 uint32_t msk_c0 = priv->sh->dv_regc0_mask;
1165 uint32_t shl_c0 = rte_bsf32(msk_c0);
1167 data = rte_cpu_to_be_32(rte_cpu_to_be_32(data) << shl_c0);
1168 mask = rte_cpu_to_be_32(mask) & msk_c0;
1169 mask = rte_cpu_to_be_32(mask << shl_c0);
1171 reg_c_x[0].id = reg_to_field[reg];
1172 return flow_dv_convert_modify_action(&item, reg_c_x, NULL, resource,
1173 MLX5_MODIFICATION_TYPE_SET, error);
1177 * Get metadata register index for specified steering domain.
1180 * Pointer to the rte_eth_dev structure.
1182 * Attributes of flow to determine steering domain.
1184 * Pointer to the error structure.
1187 * positive index on success, a negative errno value otherwise
1188 * and rte_errno is set.
1190 static enum modify_reg
1191 flow_dv_get_metadata_reg(struct rte_eth_dev *dev,
1192 const struct rte_flow_attr *attr,
1193 struct rte_flow_error *error)
1196 mlx5_flow_get_reg_id(dev, attr->transfer ?
1200 MLX5_METADATA_RX, 0, error);
1202 return rte_flow_error_set(error,
1203 ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM,
1204 NULL, "unavailable "
1205 "metadata register");
1210 * Convert SET_META action to DV specification.
1213 * Pointer to the rte_eth_dev structure.
1214 * @param[in,out] resource
1215 * Pointer to the modify-header resource.
1217 * Attributes of flow that includes this item.
1219 * Pointer to action specification.
1221 * Pointer to the error structure.
1224 * 0 on success, a negative errno value otherwise and rte_errno is set.
1227 flow_dv_convert_action_set_meta
1228 (struct rte_eth_dev *dev,
1229 struct mlx5_flow_dv_modify_hdr_resource *resource,
1230 const struct rte_flow_attr *attr,
1231 const struct rte_flow_action_set_meta *conf,
1232 struct rte_flow_error *error)
1234 uint32_t data = conf->data;
1235 uint32_t mask = conf->mask;
1236 struct rte_flow_item item = {
1240 struct field_modify_info reg_c_x[] = {
1243 int reg = flow_dv_get_metadata_reg(dev, attr, error);
1248 * In datapath code there is no endianness
1249 * coversions for perfromance reasons, all
1250 * pattern conversions are done in rte_flow.
1252 if (reg == REG_C_0) {
1253 struct mlx5_priv *priv = dev->data->dev_private;
1254 uint32_t msk_c0 = priv->sh->dv_regc0_mask;
1257 MLX5_ASSERT(msk_c0);
1258 #if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
1259 shl_c0 = rte_bsf32(msk_c0);
1261 shl_c0 = sizeof(msk_c0) * CHAR_BIT - rte_fls_u32(msk_c0);
1265 MLX5_ASSERT(!(~msk_c0 & rte_cpu_to_be_32(mask)));
1267 reg_c_x[0] = (struct field_modify_info){4, 0, reg_to_field[reg]};
1268 /* The routine expects parameters in memory as big-endian ones. */
1269 return flow_dv_convert_modify_action(&item, reg_c_x, NULL, resource,
1270 MLX5_MODIFICATION_TYPE_SET, error);
1274 * Convert modify-header set IPv4 DSCP action to DV specification.
1276 * @param[in,out] resource
1277 * Pointer to the modify-header resource.
1279 * Pointer to action specification.
1281 * Pointer to the error structure.
1284 * 0 on success, a negative errno value otherwise and rte_errno is set.
1287 flow_dv_convert_action_modify_ipv4_dscp
1288 (struct mlx5_flow_dv_modify_hdr_resource *resource,
1289 const struct rte_flow_action *action,
1290 struct rte_flow_error *error)
1292 const struct rte_flow_action_set_dscp *conf =
1293 (const struct rte_flow_action_set_dscp *)(action->conf);
1294 struct rte_flow_item item = { .type = RTE_FLOW_ITEM_TYPE_IPV4 };
1295 struct rte_flow_item_ipv4 ipv4;
1296 struct rte_flow_item_ipv4 ipv4_mask;
1298 memset(&ipv4, 0, sizeof(ipv4));
1299 memset(&ipv4_mask, 0, sizeof(ipv4_mask));
1300 ipv4.hdr.type_of_service = conf->dscp;
1301 ipv4_mask.hdr.type_of_service = RTE_IPV4_HDR_DSCP_MASK >> 2;
1303 item.mask = &ipv4_mask;
1304 return flow_dv_convert_modify_action(&item, modify_ipv4, NULL, resource,
1305 MLX5_MODIFICATION_TYPE_SET, error);
1309 * Convert modify-header set IPv6 DSCP action to DV specification.
1311 * @param[in,out] resource
1312 * Pointer to the modify-header resource.
1314 * Pointer to action specification.
1316 * Pointer to the error structure.
1319 * 0 on success, a negative errno value otherwise and rte_errno is set.
1322 flow_dv_convert_action_modify_ipv6_dscp
1323 (struct mlx5_flow_dv_modify_hdr_resource *resource,
1324 const struct rte_flow_action *action,
1325 struct rte_flow_error *error)
1327 const struct rte_flow_action_set_dscp *conf =
1328 (const struct rte_flow_action_set_dscp *)(action->conf);
1329 struct rte_flow_item item = { .type = RTE_FLOW_ITEM_TYPE_IPV6 };
1330 struct rte_flow_item_ipv6 ipv6;
1331 struct rte_flow_item_ipv6 ipv6_mask;
1333 memset(&ipv6, 0, sizeof(ipv6));
1334 memset(&ipv6_mask, 0, sizeof(ipv6_mask));
1336 * Even though the DSCP bits offset of IPv6 is not byte aligned,
1337 * rdma-core only accept the DSCP bits byte aligned start from
1338 * bit 0 to 5 as to be compatible with IPv4. No need to shift the
1339 * bits in IPv6 case as rdma-core requires byte aligned value.
1341 ipv6.hdr.vtc_flow = conf->dscp;
1342 ipv6_mask.hdr.vtc_flow = RTE_IPV6_HDR_DSCP_MASK >> 22;
1344 item.mask = &ipv6_mask;
1345 return flow_dv_convert_modify_action(&item, modify_ipv6, NULL, resource,
1346 MLX5_MODIFICATION_TYPE_SET, error);
1350 * Validate MARK item.
1353 * Pointer to the rte_eth_dev structure.
1355 * Item specification.
1357 * Attributes of flow that includes this item.
1359 * Pointer to error structure.
1362 * 0 on success, a negative errno value otherwise and rte_errno is set.
1365 flow_dv_validate_item_mark(struct rte_eth_dev *dev,
1366 const struct rte_flow_item *item,
1367 const struct rte_flow_attr *attr __rte_unused,
1368 struct rte_flow_error *error)
1370 struct mlx5_priv *priv = dev->data->dev_private;
1371 struct mlx5_dev_config *config = &priv->config;
1372 const struct rte_flow_item_mark *spec = item->spec;
1373 const struct rte_flow_item_mark *mask = item->mask;
1374 const struct rte_flow_item_mark nic_mask = {
1375 .id = priv->sh->dv_mark_mask,
1379 if (config->dv_xmeta_en == MLX5_XMETA_MODE_LEGACY)
1380 return rte_flow_error_set(error, ENOTSUP,
1381 RTE_FLOW_ERROR_TYPE_ITEM, item,
1382 "extended metadata feature"
1384 if (!mlx5_flow_ext_mreg_supported(dev))
1385 return rte_flow_error_set(error, ENOTSUP,
1386 RTE_FLOW_ERROR_TYPE_ITEM, item,
1387 "extended metadata register"
1388 " isn't supported");
1390 return rte_flow_error_set(error, ENOTSUP,
1391 RTE_FLOW_ERROR_TYPE_ITEM, item,
1392 "extended metadata register"
1393 " isn't available");
1394 ret = mlx5_flow_get_reg_id(dev, MLX5_FLOW_MARK, 0, error);
1398 return rte_flow_error_set(error, EINVAL,
1399 RTE_FLOW_ERROR_TYPE_ITEM_SPEC,
1401 "data cannot be empty");
1402 if (spec->id >= (MLX5_FLOW_MARK_MAX & nic_mask.id))
1403 return rte_flow_error_set(error, EINVAL,
1404 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1406 "mark id exceeds the limit");
1409 ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
1410 (const uint8_t *)&nic_mask,
1411 sizeof(struct rte_flow_item_mark),
1419 * Validate META item.
1422 * Pointer to the rte_eth_dev structure.
1424 * Item specification.
1426 * Attributes of flow that includes this item.
1428 * Pointer to error structure.
1431 * 0 on success, a negative errno value otherwise and rte_errno is set.
1434 flow_dv_validate_item_meta(struct rte_eth_dev *dev __rte_unused,
1435 const struct rte_flow_item *item,
1436 const struct rte_flow_attr *attr,
1437 struct rte_flow_error *error)
1439 struct mlx5_priv *priv = dev->data->dev_private;
1440 struct mlx5_dev_config *config = &priv->config;
1441 const struct rte_flow_item_meta *spec = item->spec;
1442 const struct rte_flow_item_meta *mask = item->mask;
1443 struct rte_flow_item_meta nic_mask = {
1450 return rte_flow_error_set(error, EINVAL,
1451 RTE_FLOW_ERROR_TYPE_ITEM_SPEC,
1453 "data cannot be empty");
1455 return rte_flow_error_set(error, EINVAL,
1456 RTE_FLOW_ERROR_TYPE_ITEM_SPEC, NULL,
1457 "data cannot be zero");
1458 if (config->dv_xmeta_en != MLX5_XMETA_MODE_LEGACY) {
1459 if (!mlx5_flow_ext_mreg_supported(dev))
1460 return rte_flow_error_set(error, ENOTSUP,
1461 RTE_FLOW_ERROR_TYPE_ITEM, item,
1462 "extended metadata register"
1463 " isn't supported");
1464 reg = flow_dv_get_metadata_reg(dev, attr, error);
1468 return rte_flow_error_set(error, ENOTSUP,
1469 RTE_FLOW_ERROR_TYPE_ITEM, item,
1473 nic_mask.data = priv->sh->dv_meta_mask;
1476 mask = &rte_flow_item_meta_mask;
1477 ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
1478 (const uint8_t *)&nic_mask,
1479 sizeof(struct rte_flow_item_meta),
1485 * Validate TAG item.
1488 * Pointer to the rte_eth_dev structure.
1490 * Item specification.
1492 * Attributes of flow that includes this item.
1494 * Pointer to error structure.
1497 * 0 on success, a negative errno value otherwise and rte_errno is set.
1500 flow_dv_validate_item_tag(struct rte_eth_dev *dev,
1501 const struct rte_flow_item *item,
1502 const struct rte_flow_attr *attr __rte_unused,
1503 struct rte_flow_error *error)
1505 const struct rte_flow_item_tag *spec = item->spec;
1506 const struct rte_flow_item_tag *mask = item->mask;
1507 const struct rte_flow_item_tag nic_mask = {
1508 .data = RTE_BE32(UINT32_MAX),
1513 if (!mlx5_flow_ext_mreg_supported(dev))
1514 return rte_flow_error_set(error, ENOTSUP,
1515 RTE_FLOW_ERROR_TYPE_ITEM, item,
1516 "extensive metadata register"
1517 " isn't supported");
1519 return rte_flow_error_set(error, EINVAL,
1520 RTE_FLOW_ERROR_TYPE_ITEM_SPEC,
1522 "data cannot be empty");
1524 mask = &rte_flow_item_tag_mask;
1525 ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
1526 (const uint8_t *)&nic_mask,
1527 sizeof(struct rte_flow_item_tag),
1531 if (mask->index != 0xff)
1532 return rte_flow_error_set(error, EINVAL,
1533 RTE_FLOW_ERROR_TYPE_ITEM_SPEC, NULL,
1534 "partial mask for tag index"
1535 " is not supported");
1536 ret = mlx5_flow_get_reg_id(dev, MLX5_APP_TAG, spec->index, error);
1539 MLX5_ASSERT(ret != REG_NONE);
1544 * Validate vport item.
1547 * Pointer to the rte_eth_dev structure.
1549 * Item specification.
1551 * Attributes of flow that includes this item.
1552 * @param[in] item_flags
1553 * Bit-fields that holds the items detected until now.
1555 * Pointer to error structure.
1558 * 0 on success, a negative errno value otherwise and rte_errno is set.
1561 flow_dv_validate_item_port_id(struct rte_eth_dev *dev,
1562 const struct rte_flow_item *item,
1563 const struct rte_flow_attr *attr,
1564 uint64_t item_flags,
1565 struct rte_flow_error *error)
1567 const struct rte_flow_item_port_id *spec = item->spec;
1568 const struct rte_flow_item_port_id *mask = item->mask;
1569 const struct rte_flow_item_port_id switch_mask = {
1572 struct mlx5_priv *esw_priv;
1573 struct mlx5_priv *dev_priv;
1576 if (!attr->transfer)
1577 return rte_flow_error_set(error, EINVAL,
1578 RTE_FLOW_ERROR_TYPE_ITEM,
1580 "match on port id is valid only"
1581 " when transfer flag is enabled");
1582 if (item_flags & MLX5_FLOW_ITEM_PORT_ID)
1583 return rte_flow_error_set(error, ENOTSUP,
1584 RTE_FLOW_ERROR_TYPE_ITEM, item,
1585 "multiple source ports are not"
1588 mask = &switch_mask;
1589 if (mask->id != 0xffffffff)
1590 return rte_flow_error_set(error, ENOTSUP,
1591 RTE_FLOW_ERROR_TYPE_ITEM_MASK,
1593 "no support for partial mask on"
1595 ret = mlx5_flow_item_acceptable
1596 (item, (const uint8_t *)mask,
1597 (const uint8_t *)&rte_flow_item_port_id_mask,
1598 sizeof(struct rte_flow_item_port_id),
1604 esw_priv = mlx5_port_to_eswitch_info(spec->id, false);
1606 return rte_flow_error_set(error, rte_errno,
1607 RTE_FLOW_ERROR_TYPE_ITEM_SPEC, spec,
1608 "failed to obtain E-Switch info for"
1610 dev_priv = mlx5_dev_to_eswitch_info(dev);
1612 return rte_flow_error_set(error, rte_errno,
1613 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1615 "failed to obtain E-Switch info");
1616 if (esw_priv->domain_id != dev_priv->domain_id)
1617 return rte_flow_error_set(error, EINVAL,
1618 RTE_FLOW_ERROR_TYPE_ITEM_SPEC, spec,
1619 "cannot match on a port from a"
1620 " different E-Switch");
1625 * Validate GTP item.
1628 * Pointer to the rte_eth_dev structure.
1630 * Item specification.
1631 * @param[in] item_flags
1632 * Bit-fields that holds the items detected until now.
1634 * Pointer to error structure.
1637 * 0 on success, a negative errno value otherwise and rte_errno is set.
1640 flow_dv_validate_item_gtp(struct rte_eth_dev *dev,
1641 const struct rte_flow_item *item,
1642 uint64_t item_flags,
1643 struct rte_flow_error *error)
1645 struct mlx5_priv *priv = dev->data->dev_private;
1646 const struct rte_flow_item_gtp *mask = item->mask;
1647 const struct rte_flow_item_gtp nic_mask = {
1649 .teid = RTE_BE32(0xffffffff),
1652 if (!priv->config.hca_attr.tunnel_stateless_gtp)
1653 return rte_flow_error_set(error, ENOTSUP,
1654 RTE_FLOW_ERROR_TYPE_ITEM, item,
1655 "GTP support is not enabled");
1656 if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
1657 return rte_flow_error_set(error, ENOTSUP,
1658 RTE_FLOW_ERROR_TYPE_ITEM, item,
1659 "multiple tunnel layers not"
1661 if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L4_UDP))
1662 return rte_flow_error_set(error, EINVAL,
1663 RTE_FLOW_ERROR_TYPE_ITEM, item,
1664 "no outer UDP layer found");
1666 mask = &rte_flow_item_gtp_mask;
1667 return mlx5_flow_item_acceptable
1668 (item, (const uint8_t *)mask,
1669 (const uint8_t *)&nic_mask,
1670 sizeof(struct rte_flow_item_gtp),
1675 * Validate the pop VLAN action.
1678 * Pointer to the rte_eth_dev structure.
1679 * @param[in] action_flags
1680 * Holds the actions detected until now.
1682 * Pointer to the pop vlan action.
1683 * @param[in] item_flags
1684 * The items found in this flow rule.
1686 * Pointer to flow attributes.
1688 * Pointer to error structure.
1691 * 0 on success, a negative errno value otherwise and rte_errno is set.
1694 flow_dv_validate_action_pop_vlan(struct rte_eth_dev *dev,
1695 uint64_t action_flags,
1696 const struct rte_flow_action *action,
1697 uint64_t item_flags,
1698 const struct rte_flow_attr *attr,
1699 struct rte_flow_error *error)
1701 struct mlx5_priv *priv = dev->data->dev_private;
1705 if (!priv->sh->pop_vlan_action)
1706 return rte_flow_error_set(error, ENOTSUP,
1707 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1709 "pop vlan action is not supported");
1711 return rte_flow_error_set(error, ENOTSUP,
1712 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS,
1714 "pop vlan action not supported for "
1716 if (action_flags & MLX5_FLOW_VLAN_ACTIONS)
1717 return rte_flow_error_set(error, ENOTSUP,
1718 RTE_FLOW_ERROR_TYPE_ACTION, action,
1719 "no support for multiple VLAN "
1721 if (!(item_flags & MLX5_FLOW_LAYER_OUTER_VLAN))
1722 return rte_flow_error_set(error, ENOTSUP,
1723 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1725 "cannot pop vlan without a "
1726 "match on (outer) vlan in the flow");
1727 if (action_flags & MLX5_FLOW_ACTION_PORT_ID)
1728 return rte_flow_error_set(error, EINVAL,
1729 RTE_FLOW_ERROR_TYPE_ACTION, action,
1730 "wrong action order, port_id should "
1731 "be after pop VLAN action");
1736 * Get VLAN default info from vlan match info.
1739 * the list of item specifications.
1741 * pointer VLAN info to fill to.
1744 * 0 on success, a negative errno value otherwise and rte_errno is set.
1747 flow_dev_get_vlan_info_from_items(const struct rte_flow_item *items,
1748 struct rte_vlan_hdr *vlan)
1750 const struct rte_flow_item_vlan nic_mask = {
1751 .tci = RTE_BE16(MLX5DV_FLOW_VLAN_PCP_MASK |
1752 MLX5DV_FLOW_VLAN_VID_MASK),
1753 .inner_type = RTE_BE16(0xffff),
1758 for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
1759 int type = items->type;
1761 if (type == RTE_FLOW_ITEM_TYPE_VLAN ||
1762 type == MLX5_RTE_FLOW_ITEM_TYPE_VLAN)
1765 if (items->type != RTE_FLOW_ITEM_TYPE_END) {
1766 const struct rte_flow_item_vlan *vlan_m = items->mask;
1767 const struct rte_flow_item_vlan *vlan_v = items->spec;
1771 /* Only full match values are accepted */
1772 if ((vlan_m->tci & MLX5DV_FLOW_VLAN_PCP_MASK_BE) ==
1773 MLX5DV_FLOW_VLAN_PCP_MASK_BE) {
1774 vlan->vlan_tci &= MLX5DV_FLOW_VLAN_PCP_MASK;
1776 rte_be_to_cpu_16(vlan_v->tci &
1777 MLX5DV_FLOW_VLAN_PCP_MASK_BE);
1779 if ((vlan_m->tci & MLX5DV_FLOW_VLAN_VID_MASK_BE) ==
1780 MLX5DV_FLOW_VLAN_VID_MASK_BE) {
1781 vlan->vlan_tci &= ~MLX5DV_FLOW_VLAN_VID_MASK;
1783 rte_be_to_cpu_16(vlan_v->tci &
1784 MLX5DV_FLOW_VLAN_VID_MASK_BE);
1786 if (vlan_m->inner_type == nic_mask.inner_type)
1787 vlan->eth_proto = rte_be_to_cpu_16(vlan_v->inner_type &
1788 vlan_m->inner_type);
1793 * Validate the push VLAN action.
1795 * @param[in] action_flags
1796 * Holds the actions detected until now.
1797 * @param[in] item_flags
1798 * The items found in this flow rule.
1800 * Pointer to the action structure.
1802 * Pointer to flow attributes
1804 * Pointer to error structure.
1807 * 0 on success, a negative errno value otherwise and rte_errno is set.
1810 flow_dv_validate_action_push_vlan(uint64_t action_flags,
1811 uint64_t item_flags __rte_unused,
1812 const struct rte_flow_action *action,
1813 const struct rte_flow_attr *attr,
1814 struct rte_flow_error *error)
1816 const struct rte_flow_action_of_push_vlan *push_vlan = action->conf;
1818 if (!attr->transfer && attr->ingress)
1819 return rte_flow_error_set(error, ENOTSUP,
1820 RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
1822 "push VLAN action not supported for "
1824 if (push_vlan->ethertype != RTE_BE16(RTE_ETHER_TYPE_VLAN) &&
1825 push_vlan->ethertype != RTE_BE16(RTE_ETHER_TYPE_QINQ))
1826 return rte_flow_error_set(error, EINVAL,
1827 RTE_FLOW_ERROR_TYPE_ACTION, action,
1828 "invalid vlan ethertype");
1829 if (action_flags & MLX5_FLOW_VLAN_ACTIONS)
1830 return rte_flow_error_set(error, ENOTSUP,
1831 RTE_FLOW_ERROR_TYPE_ACTION, action,
1832 "no support for multiple VLAN "
1834 if (action_flags & MLX5_FLOW_ACTION_PORT_ID)
1835 return rte_flow_error_set(error, EINVAL,
1836 RTE_FLOW_ERROR_TYPE_ACTION, action,
1837 "wrong action order, port_id should "
1838 "be after push VLAN");
1844 * Validate the set VLAN PCP.
1846 * @param[in] action_flags
1847 * Holds the actions detected until now.
1848 * @param[in] actions
1849 * Pointer to the list of actions remaining in the flow rule.
1851 * Pointer to error structure.
1854 * 0 on success, a negative errno value otherwise and rte_errno is set.
1857 flow_dv_validate_action_set_vlan_pcp(uint64_t action_flags,
1858 const struct rte_flow_action actions[],
1859 struct rte_flow_error *error)
1861 const struct rte_flow_action *action = actions;
1862 const struct rte_flow_action_of_set_vlan_pcp *conf = action->conf;
1864 if (conf->vlan_pcp > 7)
1865 return rte_flow_error_set(error, EINVAL,
1866 RTE_FLOW_ERROR_TYPE_ACTION, action,
1867 "VLAN PCP value is too big");
1868 if (!(action_flags & MLX5_FLOW_ACTION_OF_PUSH_VLAN))
1869 return rte_flow_error_set(error, ENOTSUP,
1870 RTE_FLOW_ERROR_TYPE_ACTION, action,
1871 "set VLAN PCP action must follow "
1872 "the push VLAN action");
1873 if (action_flags & MLX5_FLOW_ACTION_OF_SET_VLAN_PCP)
1874 return rte_flow_error_set(error, ENOTSUP,
1875 RTE_FLOW_ERROR_TYPE_ACTION, action,
1876 "Multiple VLAN PCP modification are "
1878 if (action_flags & MLX5_FLOW_ACTION_PORT_ID)
1879 return rte_flow_error_set(error, EINVAL,
1880 RTE_FLOW_ERROR_TYPE_ACTION, action,
1881 "wrong action order, port_id should "
1882 "be after set VLAN PCP");
1887 * Validate the set VLAN VID.
1889 * @param[in] item_flags
1890 * Holds the items detected in this rule.
1891 * @param[in] action_flags
1892 * Holds the actions detected until now.
1893 * @param[in] actions
1894 * Pointer to the list of actions remaining in the flow rule.
1896 * Pointer to error structure.
1899 * 0 on success, a negative errno value otherwise and rte_errno is set.
1902 flow_dv_validate_action_set_vlan_vid(uint64_t item_flags,
1903 uint64_t action_flags,
1904 const struct rte_flow_action actions[],
1905 struct rte_flow_error *error)
1907 const struct rte_flow_action *action = actions;
1908 const struct rte_flow_action_of_set_vlan_vid *conf = action->conf;
1910 if (conf->vlan_vid > RTE_BE16(0xFFE))
1911 return rte_flow_error_set(error, EINVAL,
1912 RTE_FLOW_ERROR_TYPE_ACTION, action,
1913 "VLAN VID value is too big");
1914 if (!(action_flags & MLX5_FLOW_ACTION_OF_PUSH_VLAN) &&
1915 !(item_flags & MLX5_FLOW_LAYER_OUTER_VLAN))
1916 return rte_flow_error_set(error, ENOTSUP,
1917 RTE_FLOW_ERROR_TYPE_ACTION, action,
1918 "set VLAN VID action must follow push"
1919 " VLAN action or match on VLAN item");
1920 if (action_flags & MLX5_FLOW_ACTION_OF_SET_VLAN_VID)
1921 return rte_flow_error_set(error, ENOTSUP,
1922 RTE_FLOW_ERROR_TYPE_ACTION, action,
1923 "Multiple VLAN VID modifications are "
1925 if (action_flags & MLX5_FLOW_ACTION_PORT_ID)
1926 return rte_flow_error_set(error, EINVAL,
1927 RTE_FLOW_ERROR_TYPE_ACTION, action,
1928 "wrong action order, port_id should "
1929 "be after set VLAN VID");
1934 * Validate the FLAG action.
1937 * Pointer to the rte_eth_dev structure.
1938 * @param[in] action_flags
1939 * Holds the actions detected until now.
1941 * Pointer to flow attributes
1943 * Pointer to error structure.
1946 * 0 on success, a negative errno value otherwise and rte_errno is set.
1949 flow_dv_validate_action_flag(struct rte_eth_dev *dev,
1950 uint64_t action_flags,
1951 const struct rte_flow_attr *attr,
1952 struct rte_flow_error *error)
1954 struct mlx5_priv *priv = dev->data->dev_private;
1955 struct mlx5_dev_config *config = &priv->config;
1958 /* Fall back if no extended metadata register support. */
1959 if (config->dv_xmeta_en == MLX5_XMETA_MODE_LEGACY)
1960 return mlx5_flow_validate_action_flag(action_flags, attr,
1962 /* Extensive metadata mode requires registers. */
1963 if (!mlx5_flow_ext_mreg_supported(dev))
1964 return rte_flow_error_set(error, ENOTSUP,
1965 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
1966 "no metadata registers "
1967 "to support flag action");
1968 if (!(priv->sh->dv_mark_mask & MLX5_FLOW_MARK_DEFAULT))
1969 return rte_flow_error_set(error, ENOTSUP,
1970 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
1971 "extended metadata register"
1972 " isn't available");
1973 ret = mlx5_flow_get_reg_id(dev, MLX5_FLOW_MARK, 0, error);
1976 MLX5_ASSERT(ret > 0);
1977 if (action_flags & MLX5_FLOW_ACTION_MARK)
1978 return rte_flow_error_set(error, EINVAL,
1979 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
1980 "can't mark and flag in same flow");
1981 if (action_flags & MLX5_FLOW_ACTION_FLAG)
1982 return rte_flow_error_set(error, EINVAL,
1983 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
1985 " actions in same flow");
1990 * Validate MARK action.
1993 * Pointer to the rte_eth_dev structure.
1995 * Pointer to action.
1996 * @param[in] action_flags
1997 * Holds the actions detected until now.
1999 * Pointer to flow attributes
2001 * Pointer to error structure.
2004 * 0 on success, a negative errno value otherwise and rte_errno is set.
2007 flow_dv_validate_action_mark(struct rte_eth_dev *dev,
2008 const struct rte_flow_action *action,
2009 uint64_t action_flags,
2010 const struct rte_flow_attr *attr,
2011 struct rte_flow_error *error)
2013 struct mlx5_priv *priv = dev->data->dev_private;
2014 struct mlx5_dev_config *config = &priv->config;
2015 const struct rte_flow_action_mark *mark = action->conf;
2018 /* Fall back if no extended metadata register support. */
2019 if (config->dv_xmeta_en == MLX5_XMETA_MODE_LEGACY)
2020 return mlx5_flow_validate_action_mark(action, action_flags,
2022 /* Extensive metadata mode requires registers. */
2023 if (!mlx5_flow_ext_mreg_supported(dev))
2024 return rte_flow_error_set(error, ENOTSUP,
2025 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
2026 "no metadata registers "
2027 "to support mark action");
2028 if (!priv->sh->dv_mark_mask)
2029 return rte_flow_error_set(error, ENOTSUP,
2030 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
2031 "extended metadata register"
2032 " isn't available");
2033 ret = mlx5_flow_get_reg_id(dev, MLX5_FLOW_MARK, 0, error);
2036 MLX5_ASSERT(ret > 0);
2038 return rte_flow_error_set(error, EINVAL,
2039 RTE_FLOW_ERROR_TYPE_ACTION, action,
2040 "configuration cannot be null");
2041 if (mark->id >= (MLX5_FLOW_MARK_MAX & priv->sh->dv_mark_mask))
2042 return rte_flow_error_set(error, EINVAL,
2043 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
2045 "mark id exceeds the limit");
2046 if (action_flags & MLX5_FLOW_ACTION_FLAG)
2047 return rte_flow_error_set(error, EINVAL,
2048 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
2049 "can't flag and mark in same flow");
2050 if (action_flags & MLX5_FLOW_ACTION_MARK)
2051 return rte_flow_error_set(error, EINVAL,
2052 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
2053 "can't have 2 mark actions in same"
2059 * Validate SET_META action.
2062 * Pointer to the rte_eth_dev structure.
2064 * Pointer to the action structure.
2065 * @param[in] action_flags
2066 * Holds the actions detected until now.
2068 * Pointer to flow attributes
2070 * Pointer to error structure.
2073 * 0 on success, a negative errno value otherwise and rte_errno is set.
2076 flow_dv_validate_action_set_meta(struct rte_eth_dev *dev,
2077 const struct rte_flow_action *action,
2078 uint64_t action_flags __rte_unused,
2079 const struct rte_flow_attr *attr,
2080 struct rte_flow_error *error)
2082 const struct rte_flow_action_set_meta *conf;
2083 uint32_t nic_mask = UINT32_MAX;
2086 if (!mlx5_flow_ext_mreg_supported(dev))
2087 return rte_flow_error_set(error, ENOTSUP,
2088 RTE_FLOW_ERROR_TYPE_ACTION, action,
2089 "extended metadata register"
2090 " isn't supported");
2091 reg = flow_dv_get_metadata_reg(dev, attr, error);
2094 if (reg != REG_A && reg != REG_B) {
2095 struct mlx5_priv *priv = dev->data->dev_private;
2097 nic_mask = priv->sh->dv_meta_mask;
2099 if (!(action->conf))
2100 return rte_flow_error_set(error, EINVAL,
2101 RTE_FLOW_ERROR_TYPE_ACTION, action,
2102 "configuration cannot be null");
2103 conf = (const struct rte_flow_action_set_meta *)action->conf;
2105 return rte_flow_error_set(error, EINVAL,
2106 RTE_FLOW_ERROR_TYPE_ACTION, action,
2107 "zero mask doesn't have any effect");
2108 if (conf->mask & ~nic_mask)
2109 return rte_flow_error_set(error, EINVAL,
2110 RTE_FLOW_ERROR_TYPE_ACTION, action,
2111 "meta data must be within reg C0");
2112 if (!(conf->data & conf->mask))
2113 return rte_flow_error_set(error, EINVAL,
2114 RTE_FLOW_ERROR_TYPE_ACTION, action,
2115 "zero value has no effect");
2120 * Validate SET_TAG action.
2123 * Pointer to the rte_eth_dev structure.
2125 * Pointer to the action structure.
2126 * @param[in] action_flags
2127 * Holds the actions detected until now.
2129 * Pointer to flow attributes
2131 * Pointer to error structure.
2134 * 0 on success, a negative errno value otherwise and rte_errno is set.
2137 flow_dv_validate_action_set_tag(struct rte_eth_dev *dev,
2138 const struct rte_flow_action *action,
2139 uint64_t action_flags,
2140 const struct rte_flow_attr *attr,
2141 struct rte_flow_error *error)
2143 const struct rte_flow_action_set_tag *conf;
2144 const uint64_t terminal_action_flags =
2145 MLX5_FLOW_ACTION_DROP | MLX5_FLOW_ACTION_QUEUE |
2146 MLX5_FLOW_ACTION_RSS;
2149 if (!mlx5_flow_ext_mreg_supported(dev))
2150 return rte_flow_error_set(error, ENOTSUP,
2151 RTE_FLOW_ERROR_TYPE_ACTION, action,
2152 "extensive metadata register"
2153 " isn't supported");
2154 if (!(action->conf))
2155 return rte_flow_error_set(error, EINVAL,
2156 RTE_FLOW_ERROR_TYPE_ACTION, action,
2157 "configuration cannot be null");
2158 conf = (const struct rte_flow_action_set_tag *)action->conf;
2160 return rte_flow_error_set(error, EINVAL,
2161 RTE_FLOW_ERROR_TYPE_ACTION, action,
2162 "zero mask doesn't have any effect");
2163 ret = mlx5_flow_get_reg_id(dev, MLX5_APP_TAG, conf->index, error);
2166 if (!attr->transfer && attr->ingress &&
2167 (action_flags & terminal_action_flags))
2168 return rte_flow_error_set(error, EINVAL,
2169 RTE_FLOW_ERROR_TYPE_ACTION, action,
2170 "set_tag has no effect"
2171 " with terminal actions");
2176 * Validate count action.
2179 * Pointer to rte_eth_dev structure.
2181 * Pointer to error structure.
2184 * 0 on success, a negative errno value otherwise and rte_errno is set.
2187 flow_dv_validate_action_count(struct rte_eth_dev *dev,
2188 struct rte_flow_error *error)
2190 struct mlx5_priv *priv = dev->data->dev_private;
2192 if (!priv->config.devx)
2194 #ifdef HAVE_IBV_FLOW_DEVX_COUNTERS
2198 return rte_flow_error_set
2200 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
2202 "count action not supported");
2206 * Validate the L2 encap action.
2208 * @param[in] action_flags
2209 * Holds the actions detected until now.
2211 * Pointer to the action structure.
2213 * Pointer to error structure.
2216 * 0 on success, a negative errno value otherwise and rte_errno is set.
2219 flow_dv_validate_action_l2_encap(uint64_t action_flags,
2220 const struct rte_flow_action *action,
2221 struct rte_flow_error *error)
2223 if (!(action->conf))
2224 return rte_flow_error_set(error, EINVAL,
2225 RTE_FLOW_ERROR_TYPE_ACTION, action,
2226 "configuration cannot be null");
2227 if (action_flags & MLX5_FLOW_ACTION_ENCAP)
2228 return rte_flow_error_set(error, EINVAL,
2229 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
2230 "can only have a single encap action "
2236 * Validate a decap action.
2238 * @param[in] action_flags
2239 * Holds the actions detected until now.
2241 * Pointer to flow attributes
2243 * Pointer to error structure.
2246 * 0 on success, a negative errno value otherwise and rte_errno is set.
2249 flow_dv_validate_action_decap(uint64_t action_flags,
2250 const struct rte_flow_attr *attr,
2251 struct rte_flow_error *error)
2253 if (action_flags & MLX5_FLOW_XCAP_ACTIONS)
2254 return rte_flow_error_set(error, ENOTSUP,
2255 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
2257 MLX5_FLOW_ACTION_DECAP ? "can only "
2258 "have a single decap action" : "decap "
2259 "after encap is not supported");
2260 if (action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS)
2261 return rte_flow_error_set(error, EINVAL,
2262 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
2263 "can't have decap action after"
2266 return rte_flow_error_set(error, ENOTSUP,
2267 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS,
2269 "decap action not supported for "
2274 const struct rte_flow_action_raw_decap empty_decap = {.data = NULL, .size = 0,};
2277 * Validate the raw encap and decap actions.
2280 * Pointer to the decap action.
2282 * Pointer to the encap action.
2284 * Pointer to flow attributes
2285 * @param[in/out] action_flags
2286 * Holds the actions detected until now.
2287 * @param[out] actions_n
2288 * pointer to the number of actions counter.
2290 * Pointer to error structure.
2293 * 0 on success, a negative errno value otherwise and rte_errno is set.
2296 flow_dv_validate_action_raw_encap_decap
2297 (const struct rte_flow_action_raw_decap *decap,
2298 const struct rte_flow_action_raw_encap *encap,
2299 const struct rte_flow_attr *attr, uint64_t *action_flags,
2300 int *actions_n, struct rte_flow_error *error)
2304 if (encap && (!encap->size || !encap->data))
2305 return rte_flow_error_set(error, EINVAL,
2306 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
2307 "raw encap data cannot be empty");
2308 if (decap && encap) {
2309 if (decap->size <= MLX5_ENCAPSULATION_DECISION_SIZE &&
2310 encap->size > MLX5_ENCAPSULATION_DECISION_SIZE)
2313 else if (encap->size <=
2314 MLX5_ENCAPSULATION_DECISION_SIZE &&
2316 MLX5_ENCAPSULATION_DECISION_SIZE)
2319 else if (encap->size >
2320 MLX5_ENCAPSULATION_DECISION_SIZE &&
2322 MLX5_ENCAPSULATION_DECISION_SIZE)
2323 /* 2 L2 actions: encap and decap. */
2326 return rte_flow_error_set(error,
2328 RTE_FLOW_ERROR_TYPE_ACTION,
2329 NULL, "unsupported too small "
2330 "raw decap and too small raw "
2331 "encap combination");
2334 ret = flow_dv_validate_action_decap(*action_flags, attr, error);
2337 *action_flags |= MLX5_FLOW_ACTION_DECAP;
2341 if (encap->size <= MLX5_ENCAPSULATION_DECISION_SIZE)
2342 return rte_flow_error_set(error, ENOTSUP,
2343 RTE_FLOW_ERROR_TYPE_ACTION,
2345 "small raw encap size");
2346 if (*action_flags & MLX5_FLOW_ACTION_ENCAP)
2347 return rte_flow_error_set(error, EINVAL,
2348 RTE_FLOW_ERROR_TYPE_ACTION,
2350 "more than one encap action");
2351 *action_flags |= MLX5_FLOW_ACTION_ENCAP;
2358 * Find existing encap/decap resource or create and register a new one.
2360 * @param[in, out] dev
2361 * Pointer to rte_eth_dev structure.
2362 * @param[in, out] resource
2363 * Pointer to encap/decap resource.
2364 * @parm[in, out] dev_flow
2365 * Pointer to the dev_flow.
2367 * pointer to error structure.
2370 * 0 on success otherwise -errno and errno is set.
2373 flow_dv_encap_decap_resource_register
2374 (struct rte_eth_dev *dev,
2375 struct mlx5_flow_dv_encap_decap_resource *resource,
2376 struct mlx5_flow *dev_flow,
2377 struct rte_flow_error *error)
2379 struct mlx5_priv *priv = dev->data->dev_private;
2380 struct mlx5_ibv_shared *sh = priv->sh;
2381 struct mlx5_flow_dv_encap_decap_resource *cache_resource;
2382 struct mlx5dv_dr_domain *domain;
2384 resource->flags = dev_flow->group ? 0 : 1;
2385 if (resource->ft_type == MLX5DV_FLOW_TABLE_TYPE_FDB)
2386 domain = sh->fdb_domain;
2387 else if (resource->ft_type == MLX5DV_FLOW_TABLE_TYPE_NIC_RX)
2388 domain = sh->rx_domain;
2390 domain = sh->tx_domain;
2391 /* Lookup a matching resource from cache. */
2392 LIST_FOREACH(cache_resource, &sh->encaps_decaps, next) {
2393 if (resource->reformat_type == cache_resource->reformat_type &&
2394 resource->ft_type == cache_resource->ft_type &&
2395 resource->flags == cache_resource->flags &&
2396 resource->size == cache_resource->size &&
2397 !memcmp((const void *)resource->buf,
2398 (const void *)cache_resource->buf,
2400 DRV_LOG(DEBUG, "encap/decap resource %p: refcnt %d++",
2401 (void *)cache_resource,
2402 rte_atomic32_read(&cache_resource->refcnt));
2403 rte_atomic32_inc(&cache_resource->refcnt);
2404 dev_flow->dv.encap_decap = cache_resource;
2408 /* Register new encap/decap resource. */
2409 cache_resource = rte_calloc(__func__, 1, sizeof(*cache_resource), 0);
2410 if (!cache_resource)
2411 return rte_flow_error_set(error, ENOMEM,
2412 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
2413 "cannot allocate resource memory");
2414 *cache_resource = *resource;
2415 cache_resource->verbs_action =
2416 mlx5_glue->dv_create_flow_action_packet_reformat
2417 (sh->ctx, cache_resource->reformat_type,
2418 cache_resource->ft_type, domain, cache_resource->flags,
2419 cache_resource->size,
2420 (cache_resource->size ? cache_resource->buf : NULL));
2421 if (!cache_resource->verbs_action) {
2422 rte_free(cache_resource);
2423 return rte_flow_error_set(error, ENOMEM,
2424 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
2425 NULL, "cannot create action");
2427 rte_atomic32_init(&cache_resource->refcnt);
2428 rte_atomic32_inc(&cache_resource->refcnt);
2429 LIST_INSERT_HEAD(&sh->encaps_decaps, cache_resource, next);
2430 dev_flow->dv.encap_decap = cache_resource;
2431 DRV_LOG(DEBUG, "new encap/decap resource %p: refcnt %d++",
2432 (void *)cache_resource,
2433 rte_atomic32_read(&cache_resource->refcnt));
2438 * Find existing table jump resource or create and register a new one.
2440 * @param[in, out] dev
2441 * Pointer to rte_eth_dev structure.
2442 * @param[in, out] tbl
2443 * Pointer to flow table resource.
2444 * @parm[in, out] dev_flow
2445 * Pointer to the dev_flow.
2447 * pointer to error structure.
2450 * 0 on success otherwise -errno and errno is set.
2453 flow_dv_jump_tbl_resource_register
2454 (struct rte_eth_dev *dev __rte_unused,
2455 struct mlx5_flow_tbl_resource *tbl,
2456 struct mlx5_flow *dev_flow,
2457 struct rte_flow_error *error)
2459 struct mlx5_flow_tbl_data_entry *tbl_data =
2460 container_of(tbl, struct mlx5_flow_tbl_data_entry, tbl);
2464 cnt = rte_atomic32_read(&tbl_data->jump.refcnt);
2466 tbl_data->jump.action =
2467 mlx5_glue->dr_create_flow_action_dest_flow_tbl
2469 if (!tbl_data->jump.action)
2470 return rte_flow_error_set(error, ENOMEM,
2471 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
2472 NULL, "cannot create jump action");
2473 DRV_LOG(DEBUG, "new jump table resource %p: refcnt %d++",
2474 (void *)&tbl_data->jump, cnt);
2476 MLX5_ASSERT(tbl_data->jump.action);
2477 DRV_LOG(DEBUG, "existed jump table resource %p: refcnt %d++",
2478 (void *)&tbl_data->jump, cnt);
2480 rte_atomic32_inc(&tbl_data->jump.refcnt);
2481 dev_flow->dv.jump = &tbl_data->jump;
2486 * Find existing table port ID resource or create and register a new one.
2488 * @param[in, out] dev
2489 * Pointer to rte_eth_dev structure.
2490 * @param[in, out] resource
2491 * Pointer to port ID action resource.
2492 * @parm[in, out] dev_flow
2493 * Pointer to the dev_flow.
2495 * pointer to error structure.
2498 * 0 on success otherwise -errno and errno is set.
2501 flow_dv_port_id_action_resource_register
2502 (struct rte_eth_dev *dev,
2503 struct mlx5_flow_dv_port_id_action_resource *resource,
2504 struct mlx5_flow *dev_flow,
2505 struct rte_flow_error *error)
2507 struct mlx5_priv *priv = dev->data->dev_private;
2508 struct mlx5_ibv_shared *sh = priv->sh;
2509 struct mlx5_flow_dv_port_id_action_resource *cache_resource;
2511 /* Lookup a matching resource from cache. */
2512 LIST_FOREACH(cache_resource, &sh->port_id_action_list, next) {
2513 if (resource->port_id == cache_resource->port_id) {
2514 DRV_LOG(DEBUG, "port id action resource resource %p: "
2516 (void *)cache_resource,
2517 rte_atomic32_read(&cache_resource->refcnt));
2518 rte_atomic32_inc(&cache_resource->refcnt);
2519 dev_flow->dv.port_id_action = cache_resource;
2523 /* Register new port id action resource. */
2524 cache_resource = rte_calloc(__func__, 1, sizeof(*cache_resource), 0);
2525 if (!cache_resource)
2526 return rte_flow_error_set(error, ENOMEM,
2527 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
2528 "cannot allocate resource memory");
2529 *cache_resource = *resource;
2531 * Depending on rdma_core version the glue routine calls
2532 * either mlx5dv_dr_action_create_dest_ib_port(domain, ibv_port)
2533 * or mlx5dv_dr_action_create_dest_vport(domain, vport_id).
2535 cache_resource->action =
2536 mlx5_glue->dr_create_flow_action_dest_port
2537 (priv->sh->fdb_domain, resource->port_id);
2538 if (!cache_resource->action) {
2539 rte_free(cache_resource);
2540 return rte_flow_error_set(error, ENOMEM,
2541 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
2542 NULL, "cannot create action");
2544 rte_atomic32_init(&cache_resource->refcnt);
2545 rte_atomic32_inc(&cache_resource->refcnt);
2546 LIST_INSERT_HEAD(&sh->port_id_action_list, cache_resource, next);
2547 dev_flow->dv.port_id_action = cache_resource;
2548 DRV_LOG(DEBUG, "new port id action resource %p: refcnt %d++",
2549 (void *)cache_resource,
2550 rte_atomic32_read(&cache_resource->refcnt));
2555 * Find existing push vlan resource or create and register a new one.
2557 * @param [in, out] dev
2558 * Pointer to rte_eth_dev structure.
2559 * @param[in, out] resource
2560 * Pointer to port ID action resource.
2561 * @parm[in, out] dev_flow
2562 * Pointer to the dev_flow.
2564 * pointer to error structure.
2567 * 0 on success otherwise -errno and errno is set.
2570 flow_dv_push_vlan_action_resource_register
2571 (struct rte_eth_dev *dev,
2572 struct mlx5_flow_dv_push_vlan_action_resource *resource,
2573 struct mlx5_flow *dev_flow,
2574 struct rte_flow_error *error)
2576 struct mlx5_priv *priv = dev->data->dev_private;
2577 struct mlx5_ibv_shared *sh = priv->sh;
2578 struct mlx5_flow_dv_push_vlan_action_resource *cache_resource;
2579 struct mlx5dv_dr_domain *domain;
2581 /* Lookup a matching resource from cache. */
2582 LIST_FOREACH(cache_resource, &sh->push_vlan_action_list, next) {
2583 if (resource->vlan_tag == cache_resource->vlan_tag &&
2584 resource->ft_type == cache_resource->ft_type) {
2585 DRV_LOG(DEBUG, "push-VLAN action resource resource %p: "
2587 (void *)cache_resource,
2588 rte_atomic32_read(&cache_resource->refcnt));
2589 rte_atomic32_inc(&cache_resource->refcnt);
2590 dev_flow->dv.push_vlan_res = cache_resource;
2594 /* Register new push_vlan action resource. */
2595 cache_resource = rte_calloc(__func__, 1, sizeof(*cache_resource), 0);
2596 if (!cache_resource)
2597 return rte_flow_error_set(error, ENOMEM,
2598 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
2599 "cannot allocate resource memory");
2600 *cache_resource = *resource;
2601 if (resource->ft_type == MLX5DV_FLOW_TABLE_TYPE_FDB)
2602 domain = sh->fdb_domain;
2603 else if (resource->ft_type == MLX5DV_FLOW_TABLE_TYPE_NIC_RX)
2604 domain = sh->rx_domain;
2606 domain = sh->tx_domain;
2607 cache_resource->action =
2608 mlx5_glue->dr_create_flow_action_push_vlan(domain,
2609 resource->vlan_tag);
2610 if (!cache_resource->action) {
2611 rte_free(cache_resource);
2612 return rte_flow_error_set(error, ENOMEM,
2613 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
2614 NULL, "cannot create action");
2616 rte_atomic32_init(&cache_resource->refcnt);
2617 rte_atomic32_inc(&cache_resource->refcnt);
2618 LIST_INSERT_HEAD(&sh->push_vlan_action_list, cache_resource, next);
2619 dev_flow->dv.push_vlan_res = cache_resource;
2620 DRV_LOG(DEBUG, "new push vlan action resource %p: refcnt %d++",
2621 (void *)cache_resource,
2622 rte_atomic32_read(&cache_resource->refcnt));
2626 * Get the size of specific rte_flow_item_type
2628 * @param[in] item_type
2629 * Tested rte_flow_item_type.
2632 * sizeof struct item_type, 0 if void or irrelevant.
2635 flow_dv_get_item_len(const enum rte_flow_item_type item_type)
2639 switch (item_type) {
2640 case RTE_FLOW_ITEM_TYPE_ETH:
2641 retval = sizeof(struct rte_flow_item_eth);
2643 case RTE_FLOW_ITEM_TYPE_VLAN:
2644 retval = sizeof(struct rte_flow_item_vlan);
2646 case RTE_FLOW_ITEM_TYPE_IPV4:
2647 retval = sizeof(struct rte_flow_item_ipv4);
2649 case RTE_FLOW_ITEM_TYPE_IPV6:
2650 retval = sizeof(struct rte_flow_item_ipv6);
2652 case RTE_FLOW_ITEM_TYPE_UDP:
2653 retval = sizeof(struct rte_flow_item_udp);
2655 case RTE_FLOW_ITEM_TYPE_TCP:
2656 retval = sizeof(struct rte_flow_item_tcp);
2658 case RTE_FLOW_ITEM_TYPE_VXLAN:
2659 retval = sizeof(struct rte_flow_item_vxlan);
2661 case RTE_FLOW_ITEM_TYPE_GRE:
2662 retval = sizeof(struct rte_flow_item_gre);
2664 case RTE_FLOW_ITEM_TYPE_NVGRE:
2665 retval = sizeof(struct rte_flow_item_nvgre);
2667 case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
2668 retval = sizeof(struct rte_flow_item_vxlan_gpe);
2670 case RTE_FLOW_ITEM_TYPE_MPLS:
2671 retval = sizeof(struct rte_flow_item_mpls);
2673 case RTE_FLOW_ITEM_TYPE_VOID: /* Fall through. */
2681 #define MLX5_ENCAP_IPV4_VERSION 0x40
2682 #define MLX5_ENCAP_IPV4_IHL_MIN 0x05
2683 #define MLX5_ENCAP_IPV4_TTL_DEF 0x40
2684 #define MLX5_ENCAP_IPV6_VTC_FLOW 0x60000000
2685 #define MLX5_ENCAP_IPV6_HOP_LIMIT 0xff
2686 #define MLX5_ENCAP_VXLAN_FLAGS 0x08000000
2687 #define MLX5_ENCAP_VXLAN_GPE_FLAGS 0x04
2690 * Convert the encap action data from list of rte_flow_item to raw buffer
2693 * Pointer to rte_flow_item objects list.
2695 * Pointer to the output buffer.
2697 * Pointer to the output buffer size.
2699 * Pointer to the error structure.
2702 * 0 on success, a negative errno value otherwise and rte_errno is set.
2705 flow_dv_convert_encap_data(const struct rte_flow_item *items, uint8_t *buf,
2706 size_t *size, struct rte_flow_error *error)
2708 struct rte_ether_hdr *eth = NULL;
2709 struct rte_vlan_hdr *vlan = NULL;
2710 struct rte_ipv4_hdr *ipv4 = NULL;
2711 struct rte_ipv6_hdr *ipv6 = NULL;
2712 struct rte_udp_hdr *udp = NULL;
2713 struct rte_vxlan_hdr *vxlan = NULL;
2714 struct rte_vxlan_gpe_hdr *vxlan_gpe = NULL;
2715 struct rte_gre_hdr *gre = NULL;
2717 size_t temp_size = 0;
2720 return rte_flow_error_set(error, EINVAL,
2721 RTE_FLOW_ERROR_TYPE_ACTION,
2722 NULL, "invalid empty data");
2723 for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
2724 len = flow_dv_get_item_len(items->type);
2725 if (len + temp_size > MLX5_ENCAP_MAX_LEN)
2726 return rte_flow_error_set(error, EINVAL,
2727 RTE_FLOW_ERROR_TYPE_ACTION,
2728 (void *)items->type,
2729 "items total size is too big"
2730 " for encap action");
2731 rte_memcpy((void *)&buf[temp_size], items->spec, len);
2732 switch (items->type) {
2733 case RTE_FLOW_ITEM_TYPE_ETH:
2734 eth = (struct rte_ether_hdr *)&buf[temp_size];
2736 case RTE_FLOW_ITEM_TYPE_VLAN:
2737 vlan = (struct rte_vlan_hdr *)&buf[temp_size];
2739 return rte_flow_error_set(error, EINVAL,
2740 RTE_FLOW_ERROR_TYPE_ACTION,
2741 (void *)items->type,
2742 "eth header not found");
2743 if (!eth->ether_type)
2744 eth->ether_type = RTE_BE16(RTE_ETHER_TYPE_VLAN);
2746 case RTE_FLOW_ITEM_TYPE_IPV4:
2747 ipv4 = (struct rte_ipv4_hdr *)&buf[temp_size];
2749 return rte_flow_error_set(error, EINVAL,
2750 RTE_FLOW_ERROR_TYPE_ACTION,
2751 (void *)items->type,
2752 "neither eth nor vlan"
2754 if (vlan && !vlan->eth_proto)
2755 vlan->eth_proto = RTE_BE16(RTE_ETHER_TYPE_IPV4);
2756 else if (eth && !eth->ether_type)
2757 eth->ether_type = RTE_BE16(RTE_ETHER_TYPE_IPV4);
2758 if (!ipv4->version_ihl)
2759 ipv4->version_ihl = MLX5_ENCAP_IPV4_VERSION |
2760 MLX5_ENCAP_IPV4_IHL_MIN;
2761 if (!ipv4->time_to_live)
2762 ipv4->time_to_live = MLX5_ENCAP_IPV4_TTL_DEF;
2764 case RTE_FLOW_ITEM_TYPE_IPV6:
2765 ipv6 = (struct rte_ipv6_hdr *)&buf[temp_size];
2767 return rte_flow_error_set(error, EINVAL,
2768 RTE_FLOW_ERROR_TYPE_ACTION,
2769 (void *)items->type,
2770 "neither eth nor vlan"
2772 if (vlan && !vlan->eth_proto)
2773 vlan->eth_proto = RTE_BE16(RTE_ETHER_TYPE_IPV6);
2774 else if (eth && !eth->ether_type)
2775 eth->ether_type = RTE_BE16(RTE_ETHER_TYPE_IPV6);
2776 if (!ipv6->vtc_flow)
2778 RTE_BE32(MLX5_ENCAP_IPV6_VTC_FLOW);
2779 if (!ipv6->hop_limits)
2780 ipv6->hop_limits = MLX5_ENCAP_IPV6_HOP_LIMIT;
2782 case RTE_FLOW_ITEM_TYPE_UDP:
2783 udp = (struct rte_udp_hdr *)&buf[temp_size];
2785 return rte_flow_error_set(error, EINVAL,
2786 RTE_FLOW_ERROR_TYPE_ACTION,
2787 (void *)items->type,
2788 "ip header not found");
2789 if (ipv4 && !ipv4->next_proto_id)
2790 ipv4->next_proto_id = IPPROTO_UDP;
2791 else if (ipv6 && !ipv6->proto)
2792 ipv6->proto = IPPROTO_UDP;
2794 case RTE_FLOW_ITEM_TYPE_VXLAN:
2795 vxlan = (struct rte_vxlan_hdr *)&buf[temp_size];
2797 return rte_flow_error_set(error, EINVAL,
2798 RTE_FLOW_ERROR_TYPE_ACTION,
2799 (void *)items->type,
2800 "udp header not found");
2802 udp->dst_port = RTE_BE16(MLX5_UDP_PORT_VXLAN);
2803 if (!vxlan->vx_flags)
2805 RTE_BE32(MLX5_ENCAP_VXLAN_FLAGS);
2807 case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
2808 vxlan_gpe = (struct rte_vxlan_gpe_hdr *)&buf[temp_size];
2810 return rte_flow_error_set(error, EINVAL,
2811 RTE_FLOW_ERROR_TYPE_ACTION,
2812 (void *)items->type,
2813 "udp header not found");
2814 if (!vxlan_gpe->proto)
2815 return rte_flow_error_set(error, EINVAL,
2816 RTE_FLOW_ERROR_TYPE_ACTION,
2817 (void *)items->type,
2818 "next protocol not found");
2821 RTE_BE16(MLX5_UDP_PORT_VXLAN_GPE);
2822 if (!vxlan_gpe->vx_flags)
2823 vxlan_gpe->vx_flags =
2824 MLX5_ENCAP_VXLAN_GPE_FLAGS;
2826 case RTE_FLOW_ITEM_TYPE_GRE:
2827 case RTE_FLOW_ITEM_TYPE_NVGRE:
2828 gre = (struct rte_gre_hdr *)&buf[temp_size];
2830 return rte_flow_error_set(error, EINVAL,
2831 RTE_FLOW_ERROR_TYPE_ACTION,
2832 (void *)items->type,
2833 "next protocol not found");
2835 return rte_flow_error_set(error, EINVAL,
2836 RTE_FLOW_ERROR_TYPE_ACTION,
2837 (void *)items->type,
2838 "ip header not found");
2839 if (ipv4 && !ipv4->next_proto_id)
2840 ipv4->next_proto_id = IPPROTO_GRE;
2841 else if (ipv6 && !ipv6->proto)
2842 ipv6->proto = IPPROTO_GRE;
2844 case RTE_FLOW_ITEM_TYPE_VOID:
2847 return rte_flow_error_set(error, EINVAL,
2848 RTE_FLOW_ERROR_TYPE_ACTION,
2849 (void *)items->type,
2850 "unsupported item type");
2860 flow_dv_zero_encap_udp_csum(void *data, struct rte_flow_error *error)
2862 struct rte_ether_hdr *eth = NULL;
2863 struct rte_vlan_hdr *vlan = NULL;
2864 struct rte_ipv6_hdr *ipv6 = NULL;
2865 struct rte_udp_hdr *udp = NULL;
2869 eth = (struct rte_ether_hdr *)data;
2870 next_hdr = (char *)(eth + 1);
2871 proto = RTE_BE16(eth->ether_type);
2874 while (proto == RTE_ETHER_TYPE_VLAN || proto == RTE_ETHER_TYPE_QINQ) {
2875 vlan = (struct rte_vlan_hdr *)next_hdr;
2876 proto = RTE_BE16(vlan->eth_proto);
2877 next_hdr += sizeof(struct rte_vlan_hdr);
2880 /* HW calculates IPv4 csum. no need to proceed */
2881 if (proto == RTE_ETHER_TYPE_IPV4)
2884 /* non IPv4/IPv6 header. not supported */
2885 if (proto != RTE_ETHER_TYPE_IPV6) {
2886 return rte_flow_error_set(error, ENOTSUP,
2887 RTE_FLOW_ERROR_TYPE_ACTION,
2888 NULL, "Cannot offload non IPv4/IPv6");
2891 ipv6 = (struct rte_ipv6_hdr *)next_hdr;
2893 /* ignore non UDP */
2894 if (ipv6->proto != IPPROTO_UDP)
2897 udp = (struct rte_udp_hdr *)(ipv6 + 1);
2898 udp->dgram_cksum = 0;
2904 * Convert L2 encap action to DV specification.
2907 * Pointer to rte_eth_dev structure.
2909 * Pointer to action structure.
2910 * @param[in, out] dev_flow
2911 * Pointer to the mlx5_flow.
2912 * @param[in] transfer
2913 * Mark if the flow is E-Switch flow.
2915 * Pointer to the error structure.
2918 * 0 on success, a negative errno value otherwise and rte_errno is set.
2921 flow_dv_create_action_l2_encap(struct rte_eth_dev *dev,
2922 const struct rte_flow_action *action,
2923 struct mlx5_flow *dev_flow,
2925 struct rte_flow_error *error)
2927 const struct rte_flow_item *encap_data;
2928 const struct rte_flow_action_raw_encap *raw_encap_data;
2929 struct mlx5_flow_dv_encap_decap_resource res = {
2931 MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TO_L2_TUNNEL,
2932 .ft_type = transfer ? MLX5DV_FLOW_TABLE_TYPE_FDB :
2933 MLX5DV_FLOW_TABLE_TYPE_NIC_TX,
2936 if (action->type == RTE_FLOW_ACTION_TYPE_RAW_ENCAP) {
2938 (const struct rte_flow_action_raw_encap *)action->conf;
2939 res.size = raw_encap_data->size;
2940 memcpy(res.buf, raw_encap_data->data, res.size);
2942 if (action->type == RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP)
2944 ((const struct rte_flow_action_vxlan_encap *)
2945 action->conf)->definition;
2948 ((const struct rte_flow_action_nvgre_encap *)
2949 action->conf)->definition;
2950 if (flow_dv_convert_encap_data(encap_data, res.buf,
2954 if (flow_dv_zero_encap_udp_csum(res.buf, error))
2956 if (flow_dv_encap_decap_resource_register(dev, &res, dev_flow, error))
2957 return rte_flow_error_set(error, EINVAL,
2958 RTE_FLOW_ERROR_TYPE_ACTION,
2959 NULL, "can't create L2 encap action");
2964 * Convert L2 decap action to DV specification.
2967 * Pointer to rte_eth_dev structure.
2968 * @param[in, out] dev_flow
2969 * Pointer to the mlx5_flow.
2970 * @param[in] transfer
2971 * Mark if the flow is E-Switch flow.
2973 * Pointer to the error structure.
2976 * 0 on success, a negative errno value otherwise and rte_errno is set.
2979 flow_dv_create_action_l2_decap(struct rte_eth_dev *dev,
2980 struct mlx5_flow *dev_flow,
2982 struct rte_flow_error *error)
2984 struct mlx5_flow_dv_encap_decap_resource res = {
2987 MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TUNNEL_TO_L2,
2988 .ft_type = transfer ? MLX5DV_FLOW_TABLE_TYPE_FDB :
2989 MLX5DV_FLOW_TABLE_TYPE_NIC_RX,
2992 if (flow_dv_encap_decap_resource_register(dev, &res, dev_flow, error))
2993 return rte_flow_error_set(error, EINVAL,
2994 RTE_FLOW_ERROR_TYPE_ACTION,
2995 NULL, "can't create L2 decap action");
3000 * Convert raw decap/encap (L3 tunnel) action to DV specification.
3003 * Pointer to rte_eth_dev structure.
3005 * Pointer to action structure.
3006 * @param[in, out] dev_flow
3007 * Pointer to the mlx5_flow.
3009 * Pointer to the flow attributes.
3011 * Pointer to the error structure.
3014 * 0 on success, a negative errno value otherwise and rte_errno is set.
3017 flow_dv_create_action_raw_encap(struct rte_eth_dev *dev,
3018 const struct rte_flow_action *action,
3019 struct mlx5_flow *dev_flow,
3020 const struct rte_flow_attr *attr,
3021 struct rte_flow_error *error)
3023 const struct rte_flow_action_raw_encap *encap_data;
3024 struct mlx5_flow_dv_encap_decap_resource res;
3026 encap_data = (const struct rte_flow_action_raw_encap *)action->conf;
3027 res.size = encap_data->size;
3028 memcpy(res.buf, encap_data->data, res.size);
3029 res.reformat_type = res.size < MLX5_ENCAPSULATION_DECISION_SIZE ?
3030 MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L3_TUNNEL_TO_L2 :
3031 MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TO_L3_TUNNEL;
3033 res.ft_type = MLX5DV_FLOW_TABLE_TYPE_FDB;
3035 res.ft_type = attr->egress ? MLX5DV_FLOW_TABLE_TYPE_NIC_TX :
3036 MLX5DV_FLOW_TABLE_TYPE_NIC_RX;
3037 if (flow_dv_encap_decap_resource_register(dev, &res, dev_flow, error))
3038 return rte_flow_error_set(error, EINVAL,
3039 RTE_FLOW_ERROR_TYPE_ACTION,
3040 NULL, "can't create encap action");
3045 * Create action push VLAN.
3048 * Pointer to rte_eth_dev structure.
3050 * Pointer to the flow attributes.
3052 * Pointer to the vlan to push to the Ethernet header.
3053 * @param[in, out] dev_flow
3054 * Pointer to the mlx5_flow.
3056 * Pointer to the error structure.
3059 * 0 on success, a negative errno value otherwise and rte_errno is set.
3062 flow_dv_create_action_push_vlan(struct rte_eth_dev *dev,
3063 const struct rte_flow_attr *attr,
3064 const struct rte_vlan_hdr *vlan,
3065 struct mlx5_flow *dev_flow,
3066 struct rte_flow_error *error)
3068 struct mlx5_flow_dv_push_vlan_action_resource res;
3071 rte_cpu_to_be_32(((uint32_t)vlan->eth_proto) << 16 |
3074 res.ft_type = MLX5DV_FLOW_TABLE_TYPE_FDB;
3076 res.ft_type = attr->egress ? MLX5DV_FLOW_TABLE_TYPE_NIC_TX :
3077 MLX5DV_FLOW_TABLE_TYPE_NIC_RX;
3078 return flow_dv_push_vlan_action_resource_register
3079 (dev, &res, dev_flow, error);
3083 * Validate the modify-header actions.
3085 * @param[in] action_flags
3086 * Holds the actions detected until now.
3088 * Pointer to the modify action.
3090 * Pointer to error structure.
3093 * 0 on success, a negative errno value otherwise and rte_errno is set.
3096 flow_dv_validate_action_modify_hdr(const uint64_t action_flags,
3097 const struct rte_flow_action *action,
3098 struct rte_flow_error *error)
3100 if (action->type != RTE_FLOW_ACTION_TYPE_DEC_TTL && !action->conf)
3101 return rte_flow_error_set(error, EINVAL,
3102 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
3103 NULL, "action configuration not set");
3104 if (action_flags & MLX5_FLOW_ACTION_ENCAP)
3105 return rte_flow_error_set(error, EINVAL,
3106 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
3107 "can't have encap action before"
3113 * Validate the modify-header MAC address actions.
3115 * @param[in] action_flags
3116 * Holds the actions detected until now.
3118 * Pointer to the modify action.
3119 * @param[in] item_flags
3120 * Holds the items detected.
3122 * Pointer to error structure.
3125 * 0 on success, a negative errno value otherwise and rte_errno is set.
3128 flow_dv_validate_action_modify_mac(const uint64_t action_flags,
3129 const struct rte_flow_action *action,
3130 const uint64_t item_flags,
3131 struct rte_flow_error *error)
3135 ret = flow_dv_validate_action_modify_hdr(action_flags, action, error);
3137 if (!(item_flags & MLX5_FLOW_LAYER_L2))
3138 return rte_flow_error_set(error, EINVAL,
3139 RTE_FLOW_ERROR_TYPE_ACTION,
3141 "no L2 item in pattern");
3147 * Validate the modify-header IPv4 address actions.
3149 * @param[in] action_flags
3150 * Holds the actions detected until now.
3152 * Pointer to the modify action.
3153 * @param[in] item_flags
3154 * Holds the items detected.
3156 * Pointer to error structure.
3159 * 0 on success, a negative errno value otherwise and rte_errno is set.
3162 flow_dv_validate_action_modify_ipv4(const uint64_t action_flags,
3163 const struct rte_flow_action *action,
3164 const uint64_t item_flags,
3165 struct rte_flow_error *error)
3170 ret = flow_dv_validate_action_modify_hdr(action_flags, action, error);
3172 layer = (action_flags & MLX5_FLOW_ACTION_DECAP) ?
3173 MLX5_FLOW_LAYER_INNER_L3_IPV4 :
3174 MLX5_FLOW_LAYER_OUTER_L3_IPV4;
3175 if (!(item_flags & layer))
3176 return rte_flow_error_set(error, EINVAL,
3177 RTE_FLOW_ERROR_TYPE_ACTION,
3179 "no ipv4 item in pattern");
3185 * Validate the modify-header IPv6 address actions.
3187 * @param[in] action_flags
3188 * Holds the actions detected until now.
3190 * Pointer to the modify action.
3191 * @param[in] item_flags
3192 * Holds the items detected.
3194 * Pointer to error structure.
3197 * 0 on success, a negative errno value otherwise and rte_errno is set.
3200 flow_dv_validate_action_modify_ipv6(const uint64_t action_flags,
3201 const struct rte_flow_action *action,
3202 const uint64_t item_flags,
3203 struct rte_flow_error *error)
3208 ret = flow_dv_validate_action_modify_hdr(action_flags, action, error);
3210 layer = (action_flags & MLX5_FLOW_ACTION_DECAP) ?
3211 MLX5_FLOW_LAYER_INNER_L3_IPV6 :
3212 MLX5_FLOW_LAYER_OUTER_L3_IPV6;
3213 if (!(item_flags & layer))
3214 return rte_flow_error_set(error, EINVAL,
3215 RTE_FLOW_ERROR_TYPE_ACTION,
3217 "no ipv6 item in pattern");
3223 * Validate the modify-header TP actions.
3225 * @param[in] action_flags
3226 * Holds the actions detected until now.
3228 * Pointer to the modify action.
3229 * @param[in] item_flags
3230 * Holds the items detected.
3232 * Pointer to error structure.
3235 * 0 on success, a negative errno value otherwise and rte_errno is set.
3238 flow_dv_validate_action_modify_tp(const uint64_t action_flags,
3239 const struct rte_flow_action *action,
3240 const uint64_t item_flags,
3241 struct rte_flow_error *error)
3246 ret = flow_dv_validate_action_modify_hdr(action_flags, action, error);
3248 layer = (action_flags & MLX5_FLOW_ACTION_DECAP) ?
3249 MLX5_FLOW_LAYER_INNER_L4 :
3250 MLX5_FLOW_LAYER_OUTER_L4;
3251 if (!(item_flags & layer))
3252 return rte_flow_error_set(error, EINVAL,
3253 RTE_FLOW_ERROR_TYPE_ACTION,
3254 NULL, "no transport layer "
3261 * Validate the modify-header actions of increment/decrement
3262 * TCP Sequence-number.
3264 * @param[in] action_flags
3265 * Holds the actions detected until now.
3267 * Pointer to the modify action.
3268 * @param[in] item_flags
3269 * Holds the items detected.
3271 * Pointer to error structure.
3274 * 0 on success, a negative errno value otherwise and rte_errno is set.
3277 flow_dv_validate_action_modify_tcp_seq(const uint64_t action_flags,
3278 const struct rte_flow_action *action,
3279 const uint64_t item_flags,
3280 struct rte_flow_error *error)
3285 ret = flow_dv_validate_action_modify_hdr(action_flags, action, error);
3287 layer = (action_flags & MLX5_FLOW_ACTION_DECAP) ?
3288 MLX5_FLOW_LAYER_INNER_L4_TCP :
3289 MLX5_FLOW_LAYER_OUTER_L4_TCP;
3290 if (!(item_flags & layer))
3291 return rte_flow_error_set(error, EINVAL,
3292 RTE_FLOW_ERROR_TYPE_ACTION,
3293 NULL, "no TCP item in"
3295 if ((action->type == RTE_FLOW_ACTION_TYPE_INC_TCP_SEQ &&
3296 (action_flags & MLX5_FLOW_ACTION_DEC_TCP_SEQ)) ||
3297 (action->type == RTE_FLOW_ACTION_TYPE_DEC_TCP_SEQ &&
3298 (action_flags & MLX5_FLOW_ACTION_INC_TCP_SEQ)))
3299 return rte_flow_error_set(error, EINVAL,
3300 RTE_FLOW_ERROR_TYPE_ACTION,
3302 "cannot decrease and increase"
3303 " TCP sequence number"
3304 " at the same time");
3310 * Validate the modify-header actions of increment/decrement
3311 * TCP Acknowledgment number.
3313 * @param[in] action_flags
3314 * Holds the actions detected until now.
3316 * Pointer to the modify action.
3317 * @param[in] item_flags
3318 * Holds the items detected.
3320 * Pointer to error structure.
3323 * 0 on success, a negative errno value otherwise and rte_errno is set.
3326 flow_dv_validate_action_modify_tcp_ack(const uint64_t action_flags,
3327 const struct rte_flow_action *action,
3328 const uint64_t item_flags,
3329 struct rte_flow_error *error)
3334 ret = flow_dv_validate_action_modify_hdr(action_flags, action, error);
3336 layer = (action_flags & MLX5_FLOW_ACTION_DECAP) ?
3337 MLX5_FLOW_LAYER_INNER_L4_TCP :
3338 MLX5_FLOW_LAYER_OUTER_L4_TCP;
3339 if (!(item_flags & layer))
3340 return rte_flow_error_set(error, EINVAL,
3341 RTE_FLOW_ERROR_TYPE_ACTION,
3342 NULL, "no TCP item in"
3344 if ((action->type == RTE_FLOW_ACTION_TYPE_INC_TCP_ACK &&
3345 (action_flags & MLX5_FLOW_ACTION_DEC_TCP_ACK)) ||
3346 (action->type == RTE_FLOW_ACTION_TYPE_DEC_TCP_ACK &&
3347 (action_flags & MLX5_FLOW_ACTION_INC_TCP_ACK)))
3348 return rte_flow_error_set(error, EINVAL,
3349 RTE_FLOW_ERROR_TYPE_ACTION,
3351 "cannot decrease and increase"
3352 " TCP acknowledgment number"
3353 " at the same time");
3359 * Validate the modify-header TTL actions.
3361 * @param[in] action_flags
3362 * Holds the actions detected until now.
3364 * Pointer to the modify action.
3365 * @param[in] item_flags
3366 * Holds the items detected.
3368 * Pointer to error structure.
3371 * 0 on success, a negative errno value otherwise and rte_errno is set.
3374 flow_dv_validate_action_modify_ttl(const uint64_t action_flags,
3375 const struct rte_flow_action *action,
3376 const uint64_t item_flags,
3377 struct rte_flow_error *error)
3382 ret = flow_dv_validate_action_modify_hdr(action_flags, action, error);
3384 layer = (action_flags & MLX5_FLOW_ACTION_DECAP) ?
3385 MLX5_FLOW_LAYER_INNER_L3 :
3386 MLX5_FLOW_LAYER_OUTER_L3;
3387 if (!(item_flags & layer))
3388 return rte_flow_error_set(error, EINVAL,
3389 RTE_FLOW_ERROR_TYPE_ACTION,
3391 "no IP protocol in pattern");
3397 * Validate jump action.
3400 * Pointer to the jump action.
3401 * @param[in] action_flags
3402 * Holds the actions detected until now.
3403 * @param[in] attributes
3404 * Pointer to flow attributes
3405 * @param[in] external
3406 * Action belongs to flow rule created by request external to PMD.
3408 * Pointer to error structure.
3411 * 0 on success, a negative errno value otherwise and rte_errno is set.
3414 flow_dv_validate_action_jump(const struct rte_flow_action *action,
3415 uint64_t action_flags,
3416 const struct rte_flow_attr *attributes,
3417 bool external, struct rte_flow_error *error)
3419 uint32_t target_group, table;
3422 if (action_flags & (MLX5_FLOW_FATE_ACTIONS |
3423 MLX5_FLOW_FATE_ESWITCH_ACTIONS))
3424 return rte_flow_error_set(error, EINVAL,
3425 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
3426 "can't have 2 fate actions in"
3428 if (action_flags & MLX5_FLOW_ACTION_METER)
3429 return rte_flow_error_set(error, ENOTSUP,
3430 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
3431 "jump with meter not support");
3433 return rte_flow_error_set(error, EINVAL,
3434 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
3435 NULL, "action configuration not set");
3437 ((const struct rte_flow_action_jump *)action->conf)->group;
3438 ret = mlx5_flow_group_to_table(attributes, external, target_group,
3439 true, &table, error);
3442 if (attributes->group == target_group)
3443 return rte_flow_error_set(error, EINVAL,
3444 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
3445 "target group must be other than"
3446 " the current flow group");
3451 * Validate the port_id action.
3454 * Pointer to rte_eth_dev structure.
3455 * @param[in] action_flags
3456 * Bit-fields that holds the actions detected until now.
3458 * Port_id RTE action structure.
3460 * Attributes of flow that includes this action.
3462 * Pointer to error structure.
3465 * 0 on success, a negative errno value otherwise and rte_errno is set.
3468 flow_dv_validate_action_port_id(struct rte_eth_dev *dev,
3469 uint64_t action_flags,
3470 const struct rte_flow_action *action,
3471 const struct rte_flow_attr *attr,
3472 struct rte_flow_error *error)
3474 const struct rte_flow_action_port_id *port_id;
3475 struct mlx5_priv *act_priv;
3476 struct mlx5_priv *dev_priv;
3479 if (!attr->transfer)
3480 return rte_flow_error_set(error, ENOTSUP,
3481 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
3483 "port id action is valid in transfer"
3485 if (!action || !action->conf)
3486 return rte_flow_error_set(error, ENOTSUP,
3487 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
3489 "port id action parameters must be"
3491 if (action_flags & (MLX5_FLOW_FATE_ACTIONS |
3492 MLX5_FLOW_FATE_ESWITCH_ACTIONS))
3493 return rte_flow_error_set(error, EINVAL,
3494 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
3495 "can have only one fate actions in"
3497 dev_priv = mlx5_dev_to_eswitch_info(dev);
3499 return rte_flow_error_set(error, rte_errno,
3500 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
3502 "failed to obtain E-Switch info");
3503 port_id = action->conf;
3504 port = port_id->original ? dev->data->port_id : port_id->id;
3505 act_priv = mlx5_port_to_eswitch_info(port, false);
3507 return rte_flow_error_set
3509 RTE_FLOW_ERROR_TYPE_ACTION_CONF, port_id,
3510 "failed to obtain E-Switch port id for port");
3511 if (act_priv->domain_id != dev_priv->domain_id)
3512 return rte_flow_error_set
3514 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
3515 "port does not belong to"
3516 " E-Switch being configured");
3521 * Get the maximum number of modify header actions.
3524 * Pointer to rte_eth_dev structure.
3526 * Flags bits to check if root level.
3529 * Max number of modify header actions device can support.
3532 flow_dv_modify_hdr_action_max(struct rte_eth_dev *dev, uint64_t flags)
3535 * There's no way to directly query the max cap. Although it has to be
3536 * acquried by iterative trial, it is a safe assumption that more
3537 * actions are supported by FW if extensive metadata register is
3538 * supported. (Only in the root table)
3540 if (!(flags & MLX5DV_DR_ACTION_FLAGS_ROOT_LEVEL))
3541 return MLX5_MAX_MODIFY_NUM;
3543 return mlx5_flow_ext_mreg_supported(dev) ?
3544 MLX5_ROOT_TBL_MODIFY_NUM :
3545 MLX5_ROOT_TBL_MODIFY_NUM_NO_MREG;
3549 * Validate the meter action.
3552 * Pointer to rte_eth_dev structure.
3553 * @param[in] action_flags
3554 * Bit-fields that holds the actions detected until now.
3556 * Pointer to the meter action.
3558 * Attributes of flow that includes this action.
3560 * Pointer to error structure.
3563 * 0 on success, a negative errno value otherwise and rte_ernno is set.
3566 mlx5_flow_validate_action_meter(struct rte_eth_dev *dev,
3567 uint64_t action_flags,
3568 const struct rte_flow_action *action,
3569 const struct rte_flow_attr *attr,
3570 struct rte_flow_error *error)
3572 struct mlx5_priv *priv = dev->data->dev_private;
3573 const struct rte_flow_action_meter *am = action->conf;
3574 struct mlx5_flow_meter *fm;
3577 return rte_flow_error_set(error, EINVAL,
3578 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
3579 "meter action conf is NULL");
3581 if (action_flags & MLX5_FLOW_ACTION_METER)
3582 return rte_flow_error_set(error, ENOTSUP,
3583 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
3584 "meter chaining not support");
3585 if (action_flags & MLX5_FLOW_ACTION_JUMP)
3586 return rte_flow_error_set(error, ENOTSUP,
3587 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
3588 "meter with jump not support");
3590 return rte_flow_error_set(error, ENOTSUP,
3591 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
3593 "meter action not supported");
3594 fm = mlx5_flow_meter_find(priv, am->mtr_id);
3596 return rte_flow_error_set(error, EINVAL,
3597 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
3599 if (fm->ref_cnt && (!(fm->attr.transfer == attr->transfer ||
3600 (!fm->attr.ingress && !attr->ingress && attr->egress) ||
3601 (!fm->attr.egress && !attr->egress && attr->ingress))))
3602 return rte_flow_error_set(error, EINVAL,
3603 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
3604 "Flow attributes are either invalid "
3605 "or have a conflict with current "
3606 "meter attributes");
3611 * Validate the modify-header IPv4 DSCP actions.
3613 * @param[in] action_flags
3614 * Holds the actions detected until now.
3616 * Pointer to the modify action.
3617 * @param[in] item_flags
3618 * Holds the items detected.
3620 * Pointer to error structure.
3623 * 0 on success, a negative errno value otherwise and rte_errno is set.
3626 flow_dv_validate_action_modify_ipv4_dscp(const uint64_t action_flags,
3627 const struct rte_flow_action *action,
3628 const uint64_t item_flags,
3629 struct rte_flow_error *error)
3633 ret = flow_dv_validate_action_modify_hdr(action_flags, action, error);
3635 if (!(item_flags & MLX5_FLOW_LAYER_L3_IPV4))
3636 return rte_flow_error_set(error, EINVAL,
3637 RTE_FLOW_ERROR_TYPE_ACTION,
3639 "no ipv4 item in pattern");
3645 * Validate the modify-header IPv6 DSCP actions.
3647 * @param[in] action_flags
3648 * Holds the actions detected until now.
3650 * Pointer to the modify action.
3651 * @param[in] item_flags
3652 * Holds the items detected.
3654 * Pointer to error structure.
3657 * 0 on success, a negative errno value otherwise and rte_errno is set.
3660 flow_dv_validate_action_modify_ipv6_dscp(const uint64_t action_flags,
3661 const struct rte_flow_action *action,
3662 const uint64_t item_flags,
3663 struct rte_flow_error *error)
3667 ret = flow_dv_validate_action_modify_hdr(action_flags, action, error);
3669 if (!(item_flags & MLX5_FLOW_LAYER_L3_IPV6))
3670 return rte_flow_error_set(error, EINVAL,
3671 RTE_FLOW_ERROR_TYPE_ACTION,
3673 "no ipv6 item in pattern");
3679 * Find existing modify-header resource or create and register a new one.
3681 * @param dev[in, out]
3682 * Pointer to rte_eth_dev structure.
3683 * @param[in, out] resource
3684 * Pointer to modify-header resource.
3685 * @parm[in, out] dev_flow
3686 * Pointer to the dev_flow.
3688 * pointer to error structure.
3691 * 0 on success otherwise -errno and errno is set.
3694 flow_dv_modify_hdr_resource_register
3695 (struct rte_eth_dev *dev,
3696 struct mlx5_flow_dv_modify_hdr_resource *resource,
3697 struct mlx5_flow *dev_flow,
3698 struct rte_flow_error *error)
3700 struct mlx5_priv *priv = dev->data->dev_private;
3701 struct mlx5_ibv_shared *sh = priv->sh;
3702 struct mlx5_flow_dv_modify_hdr_resource *cache_resource;
3703 struct mlx5dv_dr_domain *ns;
3704 uint32_t actions_len;
3707 dev_flow->group ? 0 : MLX5DV_DR_ACTION_FLAGS_ROOT_LEVEL;
3708 if (resource->actions_num > flow_dv_modify_hdr_action_max(dev,
3710 return rte_flow_error_set(error, EOVERFLOW,
3711 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
3712 "too many modify header items");
3713 if (resource->ft_type == MLX5DV_FLOW_TABLE_TYPE_FDB)
3714 ns = sh->fdb_domain;
3715 else if (resource->ft_type == MLX5DV_FLOW_TABLE_TYPE_NIC_TX)
3719 /* Lookup a matching resource from cache. */
3720 actions_len = resource->actions_num * sizeof(resource->actions[0]);
3721 LIST_FOREACH(cache_resource, &sh->modify_cmds, next) {
3722 if (resource->ft_type == cache_resource->ft_type &&
3723 resource->actions_num == cache_resource->actions_num &&
3724 resource->flags == cache_resource->flags &&
3725 !memcmp((const void *)resource->actions,
3726 (const void *)cache_resource->actions,
3728 DRV_LOG(DEBUG, "modify-header resource %p: refcnt %d++",
3729 (void *)cache_resource,
3730 rte_atomic32_read(&cache_resource->refcnt));
3731 rte_atomic32_inc(&cache_resource->refcnt);
3732 dev_flow->dv.modify_hdr = cache_resource;
3736 /* Register new modify-header resource. */
3737 cache_resource = rte_calloc(__func__, 1,
3738 sizeof(*cache_resource) + actions_len, 0);
3739 if (!cache_resource)
3740 return rte_flow_error_set(error, ENOMEM,
3741 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
3742 "cannot allocate resource memory");
3743 *cache_resource = *resource;
3744 rte_memcpy(cache_resource->actions, resource->actions, actions_len);
3745 cache_resource->verbs_action =
3746 mlx5_glue->dv_create_flow_action_modify_header
3747 (sh->ctx, cache_resource->ft_type, ns,
3748 cache_resource->flags, actions_len,
3749 (uint64_t *)cache_resource->actions);
3750 if (!cache_resource->verbs_action) {
3751 rte_free(cache_resource);
3752 return rte_flow_error_set(error, ENOMEM,
3753 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
3754 NULL, "cannot create action");
3756 rte_atomic32_init(&cache_resource->refcnt);
3757 rte_atomic32_inc(&cache_resource->refcnt);
3758 LIST_INSERT_HEAD(&sh->modify_cmds, cache_resource, next);
3759 dev_flow->dv.modify_hdr = cache_resource;
3760 DRV_LOG(DEBUG, "new modify-header resource %p: refcnt %d++",
3761 (void *)cache_resource,
3762 rte_atomic32_read(&cache_resource->refcnt));
3766 #define MLX5_CNT_CONTAINER_RESIZE 64
3769 * Get or create a flow counter.
3772 * Pointer to the Ethernet device structure.
3774 * Indicate if this counter is shared with other flows.
3776 * Counter identifier.
3779 * pointer to flow counter on success, NULL otherwise and rte_errno is set.
3781 static struct mlx5_flow_counter *
3782 flow_dv_counter_alloc_fallback(struct rte_eth_dev *dev, uint32_t shared,
3785 struct mlx5_priv *priv = dev->data->dev_private;
3786 struct mlx5_flow_counter *cnt = NULL;
3787 struct mlx5_devx_obj *dcs = NULL;
3789 if (!priv->config.devx) {
3790 rte_errno = ENOTSUP;
3794 TAILQ_FOREACH(cnt, &priv->sh->cmng.flow_counters, next) {
3795 if (cnt->shared && cnt->id == id) {
3801 dcs = mlx5_devx_cmd_flow_counter_alloc(priv->sh->ctx, 0);
3804 cnt = rte_calloc(__func__, 1, sizeof(*cnt), 0);
3806 claim_zero(mlx5_devx_cmd_destroy(cnt->dcs));
3810 struct mlx5_flow_counter tmpl = {
3816 tmpl.action = mlx5_glue->dv_create_flow_action_counter(dcs->obj, 0);
3818 claim_zero(mlx5_devx_cmd_destroy(cnt->dcs));
3824 TAILQ_INSERT_HEAD(&priv->sh->cmng.flow_counters, cnt, next);
3829 * Release a flow counter.
3832 * Pointer to the Ethernet device structure.
3833 * @param[in] counter
3834 * Pointer to the counter handler.
3837 flow_dv_counter_release_fallback(struct rte_eth_dev *dev,
3838 struct mlx5_flow_counter *counter)
3840 struct mlx5_priv *priv = dev->data->dev_private;
3844 if (--counter->ref_cnt == 0) {
3845 TAILQ_REMOVE(&priv->sh->cmng.flow_counters, counter, next);
3846 claim_zero(mlx5_devx_cmd_destroy(counter->dcs));
3852 * Query a devx flow counter.
3855 * Pointer to the Ethernet device structure.
3857 * Pointer to the flow counter.
3859 * The statistics value of packets.
3861 * The statistics value of bytes.
3864 * 0 on success, otherwise a negative errno value and rte_errno is set.
3867 _flow_dv_query_count_fallback(struct rte_eth_dev *dev __rte_unused,
3868 struct mlx5_flow_counter *cnt, uint64_t *pkts,
3871 return mlx5_devx_cmd_flow_counter_query(cnt->dcs, 0, 0, pkts, bytes,
3876 * Get a pool by a counter.
3879 * Pointer to the counter.
3884 static struct mlx5_flow_counter_pool *
3885 flow_dv_counter_pool_get(struct mlx5_flow_counter *cnt)
3888 cnt -= cnt->dcs->id % MLX5_COUNTERS_PER_POOL;
3889 return (struct mlx5_flow_counter_pool *)cnt - 1;
3895 * Get a pool by devx counter ID.
3898 * Pointer to the counter container.
3900 * The counter devx ID.
3903 * The counter pool pointer if exists, NULL otherwise,
3905 static struct mlx5_flow_counter_pool *
3906 flow_dv_find_pool_by_id(struct mlx5_pools_container *cont, int id)
3908 struct mlx5_flow_counter_pool *pool;
3910 TAILQ_FOREACH(pool, &cont->pool_list, next) {
3911 int base = (pool->min_dcs->id / MLX5_COUNTERS_PER_POOL) *
3912 MLX5_COUNTERS_PER_POOL;
3914 if (id >= base && id < base + MLX5_COUNTERS_PER_POOL)
3921 * Allocate a new memory for the counter values wrapped by all the needed
3925 * Pointer to the Ethernet device structure.
3927 * The raw memory areas - each one for MLX5_COUNTERS_PER_POOL counters.
3930 * The new memory management pointer on success, otherwise NULL and rte_errno
3933 static struct mlx5_counter_stats_mem_mng *
3934 flow_dv_create_counter_stat_mem_mng(struct rte_eth_dev *dev, int raws_n)
3936 struct mlx5_ibv_shared *sh = ((struct mlx5_priv *)
3937 (dev->data->dev_private))->sh;
3938 struct mlx5_devx_mkey_attr mkey_attr;
3939 struct mlx5_counter_stats_mem_mng *mem_mng;
3940 volatile struct flow_counter_stats *raw_data;
3941 int size = (sizeof(struct flow_counter_stats) *
3942 MLX5_COUNTERS_PER_POOL +
3943 sizeof(struct mlx5_counter_stats_raw)) * raws_n +
3944 sizeof(struct mlx5_counter_stats_mem_mng);
3945 uint8_t *mem = rte_calloc(__func__, 1, size, sysconf(_SC_PAGESIZE));
3952 mem_mng = (struct mlx5_counter_stats_mem_mng *)(mem + size) - 1;
3953 size = sizeof(*raw_data) * MLX5_COUNTERS_PER_POOL * raws_n;
3954 mem_mng->umem = mlx5_glue->devx_umem_reg(sh->ctx, mem, size,
3955 IBV_ACCESS_LOCAL_WRITE);
3956 if (!mem_mng->umem) {
3961 mkey_attr.addr = (uintptr_t)mem;
3962 mkey_attr.size = size;
3963 mkey_attr.umem_id = mem_mng->umem->umem_id;
3964 mkey_attr.pd = sh->pdn;
3965 mkey_attr.log_entity_size = 0;
3966 mkey_attr.pg_access = 0;
3967 mkey_attr.klm_array = NULL;
3968 mkey_attr.klm_num = 0;
3969 mem_mng->dm = mlx5_devx_cmd_mkey_create(sh->ctx, &mkey_attr);
3971 mlx5_glue->devx_umem_dereg(mem_mng->umem);
3976 mem_mng->raws = (struct mlx5_counter_stats_raw *)(mem + size);
3977 raw_data = (volatile struct flow_counter_stats *)mem;
3978 for (i = 0; i < raws_n; ++i) {
3979 mem_mng->raws[i].mem_mng = mem_mng;
3980 mem_mng->raws[i].data = raw_data + i * MLX5_COUNTERS_PER_POOL;
3982 LIST_INSERT_HEAD(&sh->cmng.mem_mngs, mem_mng, next);
3987 * Resize a counter container.
3990 * Pointer to the Ethernet device structure.
3992 * Whether the pool is for counter that was allocated by batch command.
3995 * The new container pointer on success, otherwise NULL and rte_errno is set.
3997 static struct mlx5_pools_container *
3998 flow_dv_container_resize(struct rte_eth_dev *dev, uint32_t batch)
4000 struct mlx5_priv *priv = dev->data->dev_private;
4001 struct mlx5_pools_container *cont =
4002 MLX5_CNT_CONTAINER(priv->sh, batch, 0);
4003 struct mlx5_pools_container *new_cont =
4004 MLX5_CNT_CONTAINER_UNUSED(priv->sh, batch, 0);
4005 struct mlx5_counter_stats_mem_mng *mem_mng;
4006 uint32_t resize = cont->n + MLX5_CNT_CONTAINER_RESIZE;
4007 uint32_t mem_size = sizeof(struct mlx5_flow_counter_pool *) * resize;
4010 if (cont != MLX5_CNT_CONTAINER(priv->sh, batch, 1)) {
4011 /* The last resize still hasn't detected by the host thread. */
4015 new_cont->pools = rte_calloc(__func__, 1, mem_size, 0);
4016 if (!new_cont->pools) {
4021 memcpy(new_cont->pools, cont->pools, cont->n *
4022 sizeof(struct mlx5_flow_counter_pool *));
4023 mem_mng = flow_dv_create_counter_stat_mem_mng(dev,
4024 MLX5_CNT_CONTAINER_RESIZE + MLX5_MAX_PENDING_QUERIES);
4026 rte_free(new_cont->pools);
4029 for (i = 0; i < MLX5_MAX_PENDING_QUERIES; ++i)
4030 LIST_INSERT_HEAD(&priv->sh->cmng.free_stat_raws,
4031 mem_mng->raws + MLX5_CNT_CONTAINER_RESIZE +
4033 new_cont->n = resize;
4034 rte_atomic16_set(&new_cont->n_valid, rte_atomic16_read(&cont->n_valid));
4035 TAILQ_INIT(&new_cont->pool_list);
4036 TAILQ_CONCAT(&new_cont->pool_list, &cont->pool_list, next);
4037 new_cont->init_mem_mng = mem_mng;
4039 /* Flip the master container. */
4040 priv->sh->cmng.mhi[batch] ^= (uint8_t)1;
4045 * Query a devx flow counter.
4048 * Pointer to the Ethernet device structure.
4050 * Pointer to the flow counter.
4052 * The statistics value of packets.
4054 * The statistics value of bytes.
4057 * 0 on success, otherwise a negative errno value and rte_errno is set.
4060 _flow_dv_query_count(struct rte_eth_dev *dev,
4061 struct mlx5_flow_counter *cnt, uint64_t *pkts,
4064 struct mlx5_priv *priv = dev->data->dev_private;
4065 struct mlx5_flow_counter_pool *pool =
4066 flow_dv_counter_pool_get(cnt);
4067 int offset = cnt - &pool->counters_raw[0];
4069 if (priv->counter_fallback)
4070 return _flow_dv_query_count_fallback(dev, cnt, pkts, bytes);
4072 rte_spinlock_lock(&pool->sl);
4074 * The single counters allocation may allocate smaller ID than the
4075 * current allocated in parallel to the host reading.
4076 * In this case the new counter values must be reported as 0.
4078 if (unlikely(!cnt->batch && cnt->dcs->id < pool->raw->min_dcs_id)) {
4082 *pkts = rte_be_to_cpu_64(pool->raw->data[offset].hits);
4083 *bytes = rte_be_to_cpu_64(pool->raw->data[offset].bytes);
4085 rte_spinlock_unlock(&pool->sl);
4090 * Create and initialize a new counter pool.
4093 * Pointer to the Ethernet device structure.
4095 * The devX counter handle.
4097 * Whether the pool is for counter that was allocated by batch command.
4100 * A new pool pointer on success, NULL otherwise and rte_errno is set.
4102 static struct mlx5_flow_counter_pool *
4103 flow_dv_pool_create(struct rte_eth_dev *dev, struct mlx5_devx_obj *dcs,
4106 struct mlx5_priv *priv = dev->data->dev_private;
4107 struct mlx5_flow_counter_pool *pool;
4108 struct mlx5_pools_container *cont = MLX5_CNT_CONTAINER(priv->sh, batch,
4110 int16_t n_valid = rte_atomic16_read(&cont->n_valid);
4113 if (cont->n == n_valid) {
4114 cont = flow_dv_container_resize(dev, batch);
4118 size = sizeof(*pool) + MLX5_COUNTERS_PER_POOL *
4119 sizeof(struct mlx5_flow_counter);
4120 pool = rte_calloc(__func__, 1, size, 0);
4125 pool->min_dcs = dcs;
4126 pool->raw = cont->init_mem_mng->raws + n_valid %
4127 MLX5_CNT_CONTAINER_RESIZE;
4128 pool->raw_hw = NULL;
4129 rte_spinlock_init(&pool->sl);
4131 * The generation of the new allocated counters in this pool is 0, 2 in
4132 * the pool generation makes all the counters valid for allocation.
4134 rte_atomic64_set(&pool->query_gen, 0x2);
4135 TAILQ_INIT(&pool->counters);
4136 TAILQ_INSERT_TAIL(&cont->pool_list, pool, next);
4137 cont->pools[n_valid] = pool;
4138 /* Pool initialization must be updated before host thread access. */
4140 rte_atomic16_add(&cont->n_valid, 1);
4145 * Prepare a new counter and/or a new counter pool.
4148 * Pointer to the Ethernet device structure.
4149 * @param[out] cnt_free
4150 * Where to put the pointer of a new counter.
4152 * Whether the pool is for counter that was allocated by batch command.
4155 * The free counter pool pointer and @p cnt_free is set on success,
4156 * NULL otherwise and rte_errno is set.
4158 static struct mlx5_flow_counter_pool *
4159 flow_dv_counter_pool_prepare(struct rte_eth_dev *dev,
4160 struct mlx5_flow_counter **cnt_free,
4163 struct mlx5_priv *priv = dev->data->dev_private;
4164 struct mlx5_flow_counter_pool *pool;
4165 struct mlx5_devx_obj *dcs = NULL;
4166 struct mlx5_flow_counter *cnt;
4170 /* bulk_bitmap must be 0 for single counter allocation. */
4171 dcs = mlx5_devx_cmd_flow_counter_alloc(priv->sh->ctx, 0);
4174 pool = flow_dv_find_pool_by_id
4175 (MLX5_CNT_CONTAINER(priv->sh, batch, 0), dcs->id);
4177 pool = flow_dv_pool_create(dev, dcs, batch);
4179 mlx5_devx_cmd_destroy(dcs);
4182 } else if (dcs->id < pool->min_dcs->id) {
4183 rte_atomic64_set(&pool->a64_dcs,
4184 (int64_t)(uintptr_t)dcs);
4186 cnt = &pool->counters_raw[dcs->id % MLX5_COUNTERS_PER_POOL];
4187 TAILQ_INSERT_HEAD(&pool->counters, cnt, next);
4192 /* bulk_bitmap is in 128 counters units. */
4193 if (priv->config.hca_attr.flow_counter_bulk_alloc_bitmap & 0x4)
4194 dcs = mlx5_devx_cmd_flow_counter_alloc(priv->sh->ctx, 0x4);
4196 rte_errno = ENODATA;
4199 pool = flow_dv_pool_create(dev, dcs, batch);
4201 mlx5_devx_cmd_destroy(dcs);
4204 for (i = 0; i < MLX5_COUNTERS_PER_POOL; ++i) {
4205 cnt = &pool->counters_raw[i];
4207 TAILQ_INSERT_HEAD(&pool->counters, cnt, next);
4209 *cnt_free = &pool->counters_raw[0];
4214 * Search for existed shared counter.
4217 * Pointer to the relevant counter pool container.
4219 * The shared counter ID to search.
4222 * NULL if not existed, otherwise pointer to the shared counter.
4224 static struct mlx5_flow_counter *
4225 flow_dv_counter_shared_search(struct mlx5_pools_container *cont,
4228 static struct mlx5_flow_counter *cnt;
4229 struct mlx5_flow_counter_pool *pool;
4232 TAILQ_FOREACH(pool, &cont->pool_list, next) {
4233 for (i = 0; i < MLX5_COUNTERS_PER_POOL; ++i) {
4234 cnt = &pool->counters_raw[i];
4235 if (cnt->ref_cnt && cnt->shared && cnt->id == id)
4243 * Allocate a flow counter.
4246 * Pointer to the Ethernet device structure.
4248 * Indicate if this counter is shared with other flows.
4250 * Counter identifier.
4252 * Counter flow group.
4255 * pointer to flow counter on success, NULL otherwise and rte_errno is set.
4257 static struct mlx5_flow_counter *
4258 flow_dv_counter_alloc(struct rte_eth_dev *dev, uint32_t shared, uint32_t id,
4261 struct mlx5_priv *priv = dev->data->dev_private;
4262 struct mlx5_flow_counter_pool *pool = NULL;
4263 struct mlx5_flow_counter *cnt_free = NULL;
4265 * Currently group 0 flow counter cannot be assigned to a flow if it is
4266 * not the first one in the batch counter allocation, so it is better
4267 * to allocate counters one by one for these flows in a separate
4269 * A counter can be shared between different groups so need to take
4270 * shared counters from the single container.
4272 uint32_t batch = (group && !shared) ? 1 : 0;
4273 struct mlx5_pools_container *cont = MLX5_CNT_CONTAINER(priv->sh, batch,
4276 if (priv->counter_fallback)
4277 return flow_dv_counter_alloc_fallback(dev, shared, id);
4278 if (!priv->config.devx) {
4279 rte_errno = ENOTSUP;
4283 cnt_free = flow_dv_counter_shared_search(cont, id);
4285 if (cnt_free->ref_cnt + 1 == 0) {
4289 cnt_free->ref_cnt++;
4293 /* Pools which has a free counters are in the start. */
4294 TAILQ_FOREACH(pool, &cont->pool_list, next) {
4296 * The free counter reset values must be updated between the
4297 * counter release to the counter allocation, so, at least one
4298 * query must be done in this time. ensure it by saving the
4299 * query generation in the release time.
4300 * The free list is sorted according to the generation - so if
4301 * the first one is not updated, all the others are not
4304 cnt_free = TAILQ_FIRST(&pool->counters);
4305 if (cnt_free && cnt_free->query_gen + 1 <
4306 rte_atomic64_read(&pool->query_gen))
4311 pool = flow_dv_counter_pool_prepare(dev, &cnt_free, batch);
4315 cnt_free->batch = batch;
4316 /* Create a DV counter action only in the first time usage. */
4317 if (!cnt_free->action) {
4319 struct mlx5_devx_obj *dcs;
4322 offset = cnt_free - &pool->counters_raw[0];
4323 dcs = pool->min_dcs;
4326 dcs = cnt_free->dcs;
4328 cnt_free->action = mlx5_glue->dv_create_flow_action_counter
4330 if (!cnt_free->action) {
4335 /* Update the counter reset values. */
4336 if (_flow_dv_query_count(dev, cnt_free, &cnt_free->hits,
4339 cnt_free->shared = shared;
4340 cnt_free->ref_cnt = 1;
4342 if (!priv->sh->cmng.query_thread_on)
4343 /* Start the asynchronous batch query by the host thread. */
4344 mlx5_set_query_alarm(priv->sh);
4345 TAILQ_REMOVE(&pool->counters, cnt_free, next);
4346 if (TAILQ_EMPTY(&pool->counters)) {
4347 /* Move the pool to the end of the container pool list. */
4348 TAILQ_REMOVE(&cont->pool_list, pool, next);
4349 TAILQ_INSERT_TAIL(&cont->pool_list, pool, next);
4355 * Release a flow counter.
4358 * Pointer to the Ethernet device structure.
4359 * @param[in] counter
4360 * Pointer to the counter handler.
4363 flow_dv_counter_release(struct rte_eth_dev *dev,
4364 struct mlx5_flow_counter *counter)
4366 struct mlx5_priv *priv = dev->data->dev_private;
4370 if (priv->counter_fallback) {
4371 flow_dv_counter_release_fallback(dev, counter);
4374 if (--counter->ref_cnt == 0) {
4375 struct mlx5_flow_counter_pool *pool =
4376 flow_dv_counter_pool_get(counter);
4378 /* Put the counter in the end - the last updated one. */
4379 TAILQ_INSERT_TAIL(&pool->counters, counter, next);
4380 counter->query_gen = rte_atomic64_read(&pool->query_gen);
4385 * Verify the @p attributes will be correctly understood by the NIC and store
4386 * them in the @p flow if everything is correct.
4389 * Pointer to dev struct.
4390 * @param[in] attributes
4391 * Pointer to flow attributes
4392 * @param[in] external
4393 * This flow rule is created by request external to PMD.
4395 * Pointer to error structure.
4398 * 0 on success, a negative errno value otherwise and rte_errno is set.
4401 flow_dv_validate_attributes(struct rte_eth_dev *dev,
4402 const struct rte_flow_attr *attributes,
4403 bool external __rte_unused,
4404 struct rte_flow_error *error)
4406 struct mlx5_priv *priv = dev->data->dev_private;
4407 uint32_t priority_max = priv->config.flow_prio - 1;
4409 #ifndef HAVE_MLX5DV_DR
4410 if (attributes->group)
4411 return rte_flow_error_set(error, ENOTSUP,
4412 RTE_FLOW_ERROR_TYPE_ATTR_GROUP,
4414 "groups are not supported");
4419 ret = mlx5_flow_group_to_table(attributes, external,
4420 attributes->group, !!priv->fdb_def_rule,
4425 if (attributes->priority != MLX5_FLOW_PRIO_RSVD &&
4426 attributes->priority >= priority_max)
4427 return rte_flow_error_set(error, ENOTSUP,
4428 RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
4430 "priority out of range");
4431 if (attributes->transfer) {
4432 if (!priv->config.dv_esw_en)
4433 return rte_flow_error_set
4435 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
4436 "E-Switch dr is not supported");
4437 if (!(priv->representor || priv->master))
4438 return rte_flow_error_set
4439 (error, EINVAL, RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
4440 NULL, "E-Switch configuration can only be"
4441 " done by a master or a representor device");
4442 if (attributes->egress)
4443 return rte_flow_error_set
4445 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, attributes,
4446 "egress is not supported");
4448 if (!(attributes->egress ^ attributes->ingress))
4449 return rte_flow_error_set(error, ENOTSUP,
4450 RTE_FLOW_ERROR_TYPE_ATTR, NULL,
4451 "must specify exactly one of "
4452 "ingress or egress");
4457 * Internal validation function. For validating both actions and items.
4460 * Pointer to the rte_eth_dev structure.
4462 * Pointer to the flow attributes.
4464 * Pointer to the list of items.
4465 * @param[in] actions
4466 * Pointer to the list of actions.
4467 * @param[in] external
4468 * This flow rule is created by request external to PMD.
4470 * Pointer to the error structure.
4473 * 0 on success, a negative errno value otherwise and rte_errno is set.
4476 flow_dv_validate(struct rte_eth_dev *dev, const struct rte_flow_attr *attr,
4477 const struct rte_flow_item items[],
4478 const struct rte_flow_action actions[],
4479 bool external, struct rte_flow_error *error)
4482 uint64_t action_flags = 0;
4483 uint64_t item_flags = 0;
4484 uint64_t last_item = 0;
4485 uint8_t next_protocol = 0xff;
4486 uint16_t ether_type = 0;
4488 uint8_t item_ipv6_proto = 0;
4489 const struct rte_flow_item *gre_item = NULL;
4490 const struct rte_flow_action_raw_decap *decap;
4491 const struct rte_flow_action_raw_encap *encap;
4492 const struct rte_flow_action_rss *rss;
4493 struct rte_flow_item_tcp nic_tcp_mask = {
4496 .src_port = RTE_BE16(UINT16_MAX),
4497 .dst_port = RTE_BE16(UINT16_MAX),
4500 struct mlx5_priv *priv = dev->data->dev_private;
4501 struct mlx5_dev_config *dev_conf = &priv->config;
4502 uint16_t queue_index = 0xFFFF;
4506 ret = flow_dv_validate_attributes(dev, attr, external, error);
4509 for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
4510 int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
4511 int type = items->type;
4514 case RTE_FLOW_ITEM_TYPE_VOID:
4516 case RTE_FLOW_ITEM_TYPE_PORT_ID:
4517 ret = flow_dv_validate_item_port_id
4518 (dev, items, attr, item_flags, error);
4521 last_item = MLX5_FLOW_ITEM_PORT_ID;
4523 case RTE_FLOW_ITEM_TYPE_ETH:
4524 ret = mlx5_flow_validate_item_eth(items, item_flags,
4528 last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L2 :
4529 MLX5_FLOW_LAYER_OUTER_L2;
4530 if (items->mask != NULL && items->spec != NULL) {
4532 ((const struct rte_flow_item_eth *)
4535 ((const struct rte_flow_item_eth *)
4537 ether_type = rte_be_to_cpu_16(ether_type);
4542 case RTE_FLOW_ITEM_TYPE_VLAN:
4543 ret = mlx5_flow_validate_item_vlan(items, item_flags,
4547 last_item = tunnel ? MLX5_FLOW_LAYER_INNER_VLAN :
4548 MLX5_FLOW_LAYER_OUTER_VLAN;
4549 if (items->mask != NULL && items->spec != NULL) {
4551 ((const struct rte_flow_item_vlan *)
4552 items->spec)->inner_type;
4554 ((const struct rte_flow_item_vlan *)
4555 items->mask)->inner_type;
4556 ether_type = rte_be_to_cpu_16(ether_type);
4561 case RTE_FLOW_ITEM_TYPE_IPV4:
4562 mlx5_flow_tunnel_ip_check(items, next_protocol,
4563 &item_flags, &tunnel);
4564 ret = mlx5_flow_validate_item_ipv4(items, item_flags,
4570 last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV4 :
4571 MLX5_FLOW_LAYER_OUTER_L3_IPV4;
4572 if (items->mask != NULL &&
4573 ((const struct rte_flow_item_ipv4 *)
4574 items->mask)->hdr.next_proto_id) {
4576 ((const struct rte_flow_item_ipv4 *)
4577 (items->spec))->hdr.next_proto_id;
4579 ((const struct rte_flow_item_ipv4 *)
4580 (items->mask))->hdr.next_proto_id;
4582 /* Reset for inner layer. */
4583 next_protocol = 0xff;
4586 case RTE_FLOW_ITEM_TYPE_IPV6:
4587 mlx5_flow_tunnel_ip_check(items, next_protocol,
4588 &item_flags, &tunnel);
4589 ret = mlx5_flow_validate_item_ipv6(items, item_flags,
4595 last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV6 :
4596 MLX5_FLOW_LAYER_OUTER_L3_IPV6;
4597 if (items->mask != NULL &&
4598 ((const struct rte_flow_item_ipv6 *)
4599 items->mask)->hdr.proto) {
4601 ((const struct rte_flow_item_ipv6 *)
4602 items->spec)->hdr.proto;
4604 ((const struct rte_flow_item_ipv6 *)
4605 items->spec)->hdr.proto;
4607 ((const struct rte_flow_item_ipv6 *)
4608 items->mask)->hdr.proto;
4610 /* Reset for inner layer. */
4611 next_protocol = 0xff;
4614 case RTE_FLOW_ITEM_TYPE_TCP:
4615 ret = mlx5_flow_validate_item_tcp
4622 last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L4_TCP :
4623 MLX5_FLOW_LAYER_OUTER_L4_TCP;
4625 case RTE_FLOW_ITEM_TYPE_UDP:
4626 ret = mlx5_flow_validate_item_udp(items, item_flags,
4631 last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L4_UDP :
4632 MLX5_FLOW_LAYER_OUTER_L4_UDP;
4634 case RTE_FLOW_ITEM_TYPE_GRE:
4635 ret = mlx5_flow_validate_item_gre(items, item_flags,
4636 next_protocol, error);
4640 last_item = MLX5_FLOW_LAYER_GRE;
4642 case RTE_FLOW_ITEM_TYPE_NVGRE:
4643 ret = mlx5_flow_validate_item_nvgre(items, item_flags,
4648 last_item = MLX5_FLOW_LAYER_NVGRE;
4650 case RTE_FLOW_ITEM_TYPE_GRE_KEY:
4651 ret = mlx5_flow_validate_item_gre_key
4652 (items, item_flags, gre_item, error);
4655 last_item = MLX5_FLOW_LAYER_GRE_KEY;
4657 case RTE_FLOW_ITEM_TYPE_VXLAN:
4658 ret = mlx5_flow_validate_item_vxlan(items, item_flags,
4662 last_item = MLX5_FLOW_LAYER_VXLAN;
4664 case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
4665 ret = mlx5_flow_validate_item_vxlan_gpe(items,
4670 last_item = MLX5_FLOW_LAYER_VXLAN_GPE;
4672 case RTE_FLOW_ITEM_TYPE_GENEVE:
4673 ret = mlx5_flow_validate_item_geneve(items,
4678 last_item = MLX5_FLOW_LAYER_GENEVE;
4680 case RTE_FLOW_ITEM_TYPE_MPLS:
4681 ret = mlx5_flow_validate_item_mpls(dev, items,
4686 last_item = MLX5_FLOW_LAYER_MPLS;
4689 case RTE_FLOW_ITEM_TYPE_MARK:
4690 ret = flow_dv_validate_item_mark(dev, items, attr,
4694 last_item = MLX5_FLOW_ITEM_MARK;
4696 case RTE_FLOW_ITEM_TYPE_META:
4697 ret = flow_dv_validate_item_meta(dev, items, attr,
4701 last_item = MLX5_FLOW_ITEM_METADATA;
4703 case RTE_FLOW_ITEM_TYPE_ICMP:
4704 ret = mlx5_flow_validate_item_icmp(items, item_flags,
4709 last_item = MLX5_FLOW_LAYER_ICMP;
4711 case RTE_FLOW_ITEM_TYPE_ICMP6:
4712 ret = mlx5_flow_validate_item_icmp6(items, item_flags,
4717 item_ipv6_proto = IPPROTO_ICMPV6;
4718 last_item = MLX5_FLOW_LAYER_ICMP6;
4720 case RTE_FLOW_ITEM_TYPE_TAG:
4721 ret = flow_dv_validate_item_tag(dev, items,
4725 last_item = MLX5_FLOW_ITEM_TAG;
4727 case MLX5_RTE_FLOW_ITEM_TYPE_TAG:
4728 case MLX5_RTE_FLOW_ITEM_TYPE_TX_QUEUE:
4730 case RTE_FLOW_ITEM_TYPE_GTP:
4731 ret = flow_dv_validate_item_gtp(dev, items, item_flags,
4735 last_item = MLX5_FLOW_LAYER_GTP;
4738 return rte_flow_error_set(error, ENOTSUP,
4739 RTE_FLOW_ERROR_TYPE_ITEM,
4740 NULL, "item not supported");
4742 item_flags |= last_item;
4744 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
4745 int type = actions->type;
4746 if (actions_n == MLX5_DV_MAX_NUMBER_OF_ACTIONS)
4747 return rte_flow_error_set(error, ENOTSUP,
4748 RTE_FLOW_ERROR_TYPE_ACTION,
4749 actions, "too many actions");
4751 case RTE_FLOW_ACTION_TYPE_VOID:
4753 case RTE_FLOW_ACTION_TYPE_PORT_ID:
4754 ret = flow_dv_validate_action_port_id(dev,
4761 action_flags |= MLX5_FLOW_ACTION_PORT_ID;
4764 case RTE_FLOW_ACTION_TYPE_FLAG:
4765 ret = flow_dv_validate_action_flag(dev, action_flags,
4769 if (dev_conf->dv_xmeta_en != MLX5_XMETA_MODE_LEGACY) {
4770 /* Count all modify-header actions as one. */
4771 if (!(action_flags &
4772 MLX5_FLOW_MODIFY_HDR_ACTIONS))
4774 action_flags |= MLX5_FLOW_ACTION_FLAG |
4775 MLX5_FLOW_ACTION_MARK_EXT;
4777 action_flags |= MLX5_FLOW_ACTION_FLAG;
4781 case RTE_FLOW_ACTION_TYPE_MARK:
4782 ret = flow_dv_validate_action_mark(dev, actions,
4787 if (dev_conf->dv_xmeta_en != MLX5_XMETA_MODE_LEGACY) {
4788 /* Count all modify-header actions as one. */
4789 if (!(action_flags &
4790 MLX5_FLOW_MODIFY_HDR_ACTIONS))
4792 action_flags |= MLX5_FLOW_ACTION_MARK |
4793 MLX5_FLOW_ACTION_MARK_EXT;
4795 action_flags |= MLX5_FLOW_ACTION_MARK;
4799 case RTE_FLOW_ACTION_TYPE_SET_META:
4800 ret = flow_dv_validate_action_set_meta(dev, actions,
4805 /* Count all modify-header actions as one action. */
4806 if (!(action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS))
4808 action_flags |= MLX5_FLOW_ACTION_SET_META;
4810 case RTE_FLOW_ACTION_TYPE_SET_TAG:
4811 ret = flow_dv_validate_action_set_tag(dev, actions,
4816 /* Count all modify-header actions as one action. */
4817 if (!(action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS))
4819 action_flags |= MLX5_FLOW_ACTION_SET_TAG;
4821 case RTE_FLOW_ACTION_TYPE_DROP:
4822 ret = mlx5_flow_validate_action_drop(action_flags,
4826 action_flags |= MLX5_FLOW_ACTION_DROP;
4829 case RTE_FLOW_ACTION_TYPE_QUEUE:
4830 ret = mlx5_flow_validate_action_queue(actions,
4835 queue_index = ((const struct rte_flow_action_queue *)
4836 (actions->conf))->index;
4837 action_flags |= MLX5_FLOW_ACTION_QUEUE;
4840 case RTE_FLOW_ACTION_TYPE_RSS:
4841 rss = actions->conf;
4842 ret = mlx5_flow_validate_action_rss(actions,
4848 if (rss != NULL && rss->queue_num)
4849 queue_index = rss->queue[0];
4850 action_flags |= MLX5_FLOW_ACTION_RSS;
4853 case RTE_FLOW_ACTION_TYPE_COUNT:
4854 ret = flow_dv_validate_action_count(dev, error);
4857 action_flags |= MLX5_FLOW_ACTION_COUNT;
4860 case RTE_FLOW_ACTION_TYPE_OF_POP_VLAN:
4861 if (flow_dv_validate_action_pop_vlan(dev,
4867 action_flags |= MLX5_FLOW_ACTION_OF_POP_VLAN;
4870 case RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN:
4871 ret = flow_dv_validate_action_push_vlan(action_flags,
4877 action_flags |= MLX5_FLOW_ACTION_OF_PUSH_VLAN;
4880 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_PCP:
4881 ret = flow_dv_validate_action_set_vlan_pcp
4882 (action_flags, actions, error);
4885 /* Count PCP with push_vlan command. */
4886 action_flags |= MLX5_FLOW_ACTION_OF_SET_VLAN_PCP;
4888 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID:
4889 ret = flow_dv_validate_action_set_vlan_vid
4890 (item_flags, action_flags,
4894 /* Count VID with push_vlan command. */
4895 action_flags |= MLX5_FLOW_ACTION_OF_SET_VLAN_VID;
4897 case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
4898 case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP:
4899 ret = flow_dv_validate_action_l2_encap(action_flags,
4903 action_flags |= MLX5_FLOW_ACTION_ENCAP;
4906 case RTE_FLOW_ACTION_TYPE_VXLAN_DECAP:
4907 case RTE_FLOW_ACTION_TYPE_NVGRE_DECAP:
4908 ret = flow_dv_validate_action_decap(action_flags, attr,
4912 action_flags |= MLX5_FLOW_ACTION_DECAP;
4915 case RTE_FLOW_ACTION_TYPE_RAW_ENCAP:
4916 ret = flow_dv_validate_action_raw_encap_decap
4917 (NULL, actions->conf, attr, &action_flags,
4922 case RTE_FLOW_ACTION_TYPE_RAW_DECAP:
4923 decap = actions->conf;
4924 while ((++actions)->type == RTE_FLOW_ACTION_TYPE_VOID)
4926 if (actions->type != RTE_FLOW_ACTION_TYPE_RAW_ENCAP) {
4930 encap = actions->conf;
4932 ret = flow_dv_validate_action_raw_encap_decap
4933 (decap ? decap : &empty_decap, encap,
4934 attr, &action_flags, &actions_n,
4939 case RTE_FLOW_ACTION_TYPE_SET_MAC_SRC:
4940 case RTE_FLOW_ACTION_TYPE_SET_MAC_DST:
4941 ret = flow_dv_validate_action_modify_mac(action_flags,
4947 /* Count all modify-header actions as one action. */
4948 if (!(action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS))
4950 action_flags |= actions->type ==
4951 RTE_FLOW_ACTION_TYPE_SET_MAC_SRC ?
4952 MLX5_FLOW_ACTION_SET_MAC_SRC :
4953 MLX5_FLOW_ACTION_SET_MAC_DST;
4956 case RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC:
4957 case RTE_FLOW_ACTION_TYPE_SET_IPV4_DST:
4958 ret = flow_dv_validate_action_modify_ipv4(action_flags,
4964 /* Count all modify-header actions as one action. */
4965 if (!(action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS))
4967 action_flags |= actions->type ==
4968 RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC ?
4969 MLX5_FLOW_ACTION_SET_IPV4_SRC :
4970 MLX5_FLOW_ACTION_SET_IPV4_DST;
4972 case RTE_FLOW_ACTION_TYPE_SET_IPV6_SRC:
4973 case RTE_FLOW_ACTION_TYPE_SET_IPV6_DST:
4974 ret = flow_dv_validate_action_modify_ipv6(action_flags,
4980 if (item_ipv6_proto == IPPROTO_ICMPV6)
4981 return rte_flow_error_set(error, ENOTSUP,
4982 RTE_FLOW_ERROR_TYPE_ACTION,
4984 "Can't change header "
4985 "with ICMPv6 proto");
4986 /* Count all modify-header actions as one action. */
4987 if (!(action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS))
4989 action_flags |= actions->type ==
4990 RTE_FLOW_ACTION_TYPE_SET_IPV6_SRC ?
4991 MLX5_FLOW_ACTION_SET_IPV6_SRC :
4992 MLX5_FLOW_ACTION_SET_IPV6_DST;
4994 case RTE_FLOW_ACTION_TYPE_SET_TP_SRC:
4995 case RTE_FLOW_ACTION_TYPE_SET_TP_DST:
4996 ret = flow_dv_validate_action_modify_tp(action_flags,
5002 /* Count all modify-header actions as one action. */
5003 if (!(action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS))
5005 action_flags |= actions->type ==
5006 RTE_FLOW_ACTION_TYPE_SET_TP_SRC ?
5007 MLX5_FLOW_ACTION_SET_TP_SRC :
5008 MLX5_FLOW_ACTION_SET_TP_DST;
5010 case RTE_FLOW_ACTION_TYPE_DEC_TTL:
5011 case RTE_FLOW_ACTION_TYPE_SET_TTL:
5012 ret = flow_dv_validate_action_modify_ttl(action_flags,
5018 /* Count all modify-header actions as one action. */
5019 if (!(action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS))
5021 action_flags |= actions->type ==
5022 RTE_FLOW_ACTION_TYPE_SET_TTL ?
5023 MLX5_FLOW_ACTION_SET_TTL :
5024 MLX5_FLOW_ACTION_DEC_TTL;
5026 case RTE_FLOW_ACTION_TYPE_JUMP:
5027 ret = flow_dv_validate_action_jump(actions,
5034 action_flags |= MLX5_FLOW_ACTION_JUMP;
5036 case RTE_FLOW_ACTION_TYPE_INC_TCP_SEQ:
5037 case RTE_FLOW_ACTION_TYPE_DEC_TCP_SEQ:
5038 ret = flow_dv_validate_action_modify_tcp_seq
5045 /* Count all modify-header actions as one action. */
5046 if (!(action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS))
5048 action_flags |= actions->type ==
5049 RTE_FLOW_ACTION_TYPE_INC_TCP_SEQ ?
5050 MLX5_FLOW_ACTION_INC_TCP_SEQ :
5051 MLX5_FLOW_ACTION_DEC_TCP_SEQ;
5053 case RTE_FLOW_ACTION_TYPE_INC_TCP_ACK:
5054 case RTE_FLOW_ACTION_TYPE_DEC_TCP_ACK:
5055 ret = flow_dv_validate_action_modify_tcp_ack
5062 /* Count all modify-header actions as one action. */
5063 if (!(action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS))
5065 action_flags |= actions->type ==
5066 RTE_FLOW_ACTION_TYPE_INC_TCP_ACK ?
5067 MLX5_FLOW_ACTION_INC_TCP_ACK :
5068 MLX5_FLOW_ACTION_DEC_TCP_ACK;
5070 case MLX5_RTE_FLOW_ACTION_TYPE_TAG:
5071 case MLX5_RTE_FLOW_ACTION_TYPE_MARK:
5072 case MLX5_RTE_FLOW_ACTION_TYPE_COPY_MREG:
5074 case RTE_FLOW_ACTION_TYPE_METER:
5075 ret = mlx5_flow_validate_action_meter(dev,
5081 action_flags |= MLX5_FLOW_ACTION_METER;
5084 case RTE_FLOW_ACTION_TYPE_SET_IPV4_DSCP:
5085 ret = flow_dv_validate_action_modify_ipv4_dscp
5092 /* Count all modify-header actions as one action. */
5093 if (!(action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS))
5095 action_flags |= MLX5_FLOW_ACTION_SET_IPV4_DSCP;
5097 case RTE_FLOW_ACTION_TYPE_SET_IPV6_DSCP:
5098 ret = flow_dv_validate_action_modify_ipv6_dscp
5105 /* Count all modify-header actions as one action. */
5106 if (!(action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS))
5108 action_flags |= MLX5_FLOW_ACTION_SET_IPV6_DSCP;
5111 return rte_flow_error_set(error, ENOTSUP,
5112 RTE_FLOW_ERROR_TYPE_ACTION,
5114 "action not supported");
5118 * Validate the drop action mutual exclusion with other actions.
5119 * Drop action is mutually-exclusive with any other action, except for
5122 if ((action_flags & MLX5_FLOW_ACTION_DROP) &&
5123 (action_flags & ~(MLX5_FLOW_ACTION_DROP | MLX5_FLOW_ACTION_COUNT)))
5124 return rte_flow_error_set(error, EINVAL,
5125 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
5126 "Drop action is mutually-exclusive "
5127 "with any other action, except for "
5129 /* Eswitch has few restrictions on using items and actions */
5130 if (attr->transfer) {
5131 if (!mlx5_flow_ext_mreg_supported(dev) &&
5132 action_flags & MLX5_FLOW_ACTION_FLAG)
5133 return rte_flow_error_set(error, ENOTSUP,
5134 RTE_FLOW_ERROR_TYPE_ACTION,
5136 "unsupported action FLAG");
5137 if (!mlx5_flow_ext_mreg_supported(dev) &&
5138 action_flags & MLX5_FLOW_ACTION_MARK)
5139 return rte_flow_error_set(error, ENOTSUP,
5140 RTE_FLOW_ERROR_TYPE_ACTION,
5142 "unsupported action MARK");
5143 if (action_flags & MLX5_FLOW_ACTION_QUEUE)
5144 return rte_flow_error_set(error, ENOTSUP,
5145 RTE_FLOW_ERROR_TYPE_ACTION,
5147 "unsupported action QUEUE");
5148 if (action_flags & MLX5_FLOW_ACTION_RSS)
5149 return rte_flow_error_set(error, ENOTSUP,
5150 RTE_FLOW_ERROR_TYPE_ACTION,
5152 "unsupported action RSS");
5153 if (!(action_flags & MLX5_FLOW_FATE_ESWITCH_ACTIONS))
5154 return rte_flow_error_set(error, EINVAL,
5155 RTE_FLOW_ERROR_TYPE_ACTION,
5157 "no fate action is found");
5159 if (!(action_flags & MLX5_FLOW_FATE_ACTIONS) && attr->ingress)
5160 return rte_flow_error_set(error, EINVAL,
5161 RTE_FLOW_ERROR_TYPE_ACTION,
5163 "no fate action is found");
5165 /* Continue validation for Xcap actions.*/
5166 if ((action_flags & MLX5_FLOW_XCAP_ACTIONS) && (queue_index == 0xFFFF ||
5167 mlx5_rxq_get_type(dev, queue_index) != MLX5_RXQ_TYPE_HAIRPIN)) {
5168 if ((action_flags & MLX5_FLOW_XCAP_ACTIONS) ==
5169 MLX5_FLOW_XCAP_ACTIONS)
5170 return rte_flow_error_set(error, ENOTSUP,
5171 RTE_FLOW_ERROR_TYPE_ACTION,
5172 NULL, "encap and decap "
5173 "combination aren't supported");
5174 if (!attr->transfer && attr->ingress && (action_flags &
5175 MLX5_FLOW_ACTION_ENCAP))
5176 return rte_flow_error_set(error, ENOTSUP,
5177 RTE_FLOW_ERROR_TYPE_ACTION,
5178 NULL, "encap is not supported"
5179 " for ingress traffic");
5185 * Internal preparation function. Allocates the DV flow size,
5186 * this size is constant.
5189 * Pointer to the flow attributes.
5191 * Pointer to the list of items.
5192 * @param[in] actions
5193 * Pointer to the list of actions.
5195 * Pointer to the error structure.
5198 * Pointer to mlx5_flow object on success,
5199 * otherwise NULL and rte_errno is set.
5201 static struct mlx5_flow *
5202 flow_dv_prepare(const struct rte_flow_attr *attr __rte_unused,
5203 const struct rte_flow_item items[] __rte_unused,
5204 const struct rte_flow_action actions[] __rte_unused,
5205 struct rte_flow_error *error)
5207 size_t size = sizeof(struct mlx5_flow);
5208 struct mlx5_flow *dev_flow;
5210 dev_flow = rte_calloc(__func__, 1, size, 0);
5212 rte_flow_error_set(error, ENOMEM,
5213 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
5214 "not enough memory to create flow");
5217 dev_flow->dv.value.size = MLX5_ST_SZ_BYTES(fte_match_param);
5218 dev_flow->ingress = attr->ingress;
5219 dev_flow->transfer = attr->transfer;
5223 #ifdef RTE_LIBRTE_MLX5_DEBUG
5225 * Sanity check for match mask and value. Similar to check_valid_spec() in
5226 * kernel driver. If unmasked bit is present in value, it returns failure.
5229 * pointer to match mask buffer.
5230 * @param match_value
5231 * pointer to match value buffer.
5234 * 0 if valid, -EINVAL otherwise.
5237 flow_dv_check_valid_spec(void *match_mask, void *match_value)
5239 uint8_t *m = match_mask;
5240 uint8_t *v = match_value;
5243 for (i = 0; i < MLX5_ST_SZ_BYTES(fte_match_param); ++i) {
5246 "match_value differs from match_criteria"
5247 " %p[%u] != %p[%u]",
5248 match_value, i, match_mask, i);
5257 * Add Ethernet item to matcher and to the value.
5259 * @param[in, out] matcher
5261 * @param[in, out] key
5262 * Flow matcher value.
5264 * Flow pattern to translate.
5266 * Item is inner pattern.
5269 flow_dv_translate_item_eth(void *matcher, void *key,
5270 const struct rte_flow_item *item, int inner)
5272 const struct rte_flow_item_eth *eth_m = item->mask;
5273 const struct rte_flow_item_eth *eth_v = item->spec;
5274 const struct rte_flow_item_eth nic_mask = {
5275 .dst.addr_bytes = "\xff\xff\xff\xff\xff\xff",
5276 .src.addr_bytes = "\xff\xff\xff\xff\xff\xff",
5277 .type = RTE_BE16(0xffff),
5289 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
5291 headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
5293 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
5295 headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
5297 memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_m, dmac_47_16),
5298 ð_m->dst, sizeof(eth_m->dst));
5299 /* The value must be in the range of the mask. */
5300 l24_v = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, dmac_47_16);
5301 for (i = 0; i < sizeof(eth_m->dst); ++i)
5302 l24_v[i] = eth_m->dst.addr_bytes[i] & eth_v->dst.addr_bytes[i];
5303 memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_m, smac_47_16),
5304 ð_m->src, sizeof(eth_m->src));
5305 l24_v = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, smac_47_16);
5306 /* The value must be in the range of the mask. */
5307 for (i = 0; i < sizeof(eth_m->dst); ++i)
5308 l24_v[i] = eth_m->src.addr_bytes[i] & eth_v->src.addr_bytes[i];
5309 MLX5_SET(fte_match_set_lyr_2_4, headers_m, ethertype,
5310 rte_be_to_cpu_16(eth_m->type));
5311 l24_v = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, ethertype);
5312 *(uint16_t *)(l24_v) = eth_m->type & eth_v->type;
5314 /* When ethertype is present set mask for tagged VLAN. */
5315 MLX5_SET(fte_match_set_lyr_2_4, headers_m, cvlan_tag, 1);
5316 /* Set value for tagged VLAN if ethertype is 802.1Q. */
5317 if (eth_v->type == RTE_BE16(RTE_ETHER_TYPE_VLAN) ||
5318 eth_v->type == RTE_BE16(RTE_ETHER_TYPE_QINQ))
5319 MLX5_SET(fte_match_set_lyr_2_4, headers_v, cvlan_tag,
5325 * Add VLAN item to matcher and to the value.
5327 * @param[in, out] dev_flow
5329 * @param[in, out] matcher
5331 * @param[in, out] key
5332 * Flow matcher value.
5334 * Flow pattern to translate.
5336 * Item is inner pattern.
5339 flow_dv_translate_item_vlan(struct mlx5_flow *dev_flow,
5340 void *matcher, void *key,
5341 const struct rte_flow_item *item,
5344 const struct rte_flow_item_vlan *vlan_m = item->mask;
5345 const struct rte_flow_item_vlan *vlan_v = item->spec;
5354 vlan_m = &rte_flow_item_vlan_mask;
5356 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
5358 headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
5360 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
5362 headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
5364 * This is workaround, masks are not supported,
5365 * and pre-validated.
5367 dev_flow->dv.vf_vlan.tag =
5368 rte_be_to_cpu_16(vlan_v->tci) & 0x0fff;
5370 tci_m = rte_be_to_cpu_16(vlan_m->tci);
5371 tci_v = rte_be_to_cpu_16(vlan_m->tci & vlan_v->tci);
5372 MLX5_SET(fte_match_set_lyr_2_4, headers_m, cvlan_tag, 1);
5373 MLX5_SET(fte_match_set_lyr_2_4, headers_v, cvlan_tag, 1);
5374 MLX5_SET(fte_match_set_lyr_2_4, headers_m, first_vid, tci_m);
5375 MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, tci_v);
5376 MLX5_SET(fte_match_set_lyr_2_4, headers_m, first_cfi, tci_m >> 12);
5377 MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_cfi, tci_v >> 12);
5378 MLX5_SET(fte_match_set_lyr_2_4, headers_m, first_prio, tci_m >> 13);
5379 MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, tci_v >> 13);
5380 MLX5_SET(fte_match_set_lyr_2_4, headers_m, ethertype,
5381 rte_be_to_cpu_16(vlan_m->inner_type));
5382 MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype,
5383 rte_be_to_cpu_16(vlan_m->inner_type & vlan_v->inner_type));
5387 * Add IPV4 item to matcher and to the value.
5389 * @param[in, out] matcher
5391 * @param[in, out] key
5392 * Flow matcher value.
5394 * Flow pattern to translate.
5396 * Item is inner pattern.
5398 * The group to insert the rule.
5401 flow_dv_translate_item_ipv4(void *matcher, void *key,
5402 const struct rte_flow_item *item,
5403 int inner, uint32_t group)
5405 const struct rte_flow_item_ipv4 *ipv4_m = item->mask;
5406 const struct rte_flow_item_ipv4 *ipv4_v = item->spec;
5407 const struct rte_flow_item_ipv4 nic_mask = {
5409 .src_addr = RTE_BE32(0xffffffff),
5410 .dst_addr = RTE_BE32(0xffffffff),
5411 .type_of_service = 0xff,
5412 .next_proto_id = 0xff,
5422 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
5424 headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
5426 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
5428 headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
5431 MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_version, 0xf);
5433 MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_version, 0x4);
5434 MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, 4);
5439 l24_m = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_m,
5440 dst_ipv4_dst_ipv6.ipv4_layout.ipv4);
5441 l24_v = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
5442 dst_ipv4_dst_ipv6.ipv4_layout.ipv4);
5443 *(uint32_t *)l24_m = ipv4_m->hdr.dst_addr;
5444 *(uint32_t *)l24_v = ipv4_m->hdr.dst_addr & ipv4_v->hdr.dst_addr;
5445 l24_m = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_m,
5446 src_ipv4_src_ipv6.ipv4_layout.ipv4);
5447 l24_v = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
5448 src_ipv4_src_ipv6.ipv4_layout.ipv4);
5449 *(uint32_t *)l24_m = ipv4_m->hdr.src_addr;
5450 *(uint32_t *)l24_v = ipv4_m->hdr.src_addr & ipv4_v->hdr.src_addr;
5451 tos = ipv4_m->hdr.type_of_service & ipv4_v->hdr.type_of_service;
5452 MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_ecn,
5453 ipv4_m->hdr.type_of_service);
5454 MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, tos);
5455 MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_dscp,
5456 ipv4_m->hdr.type_of_service >> 2);
5457 MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, tos >> 2);
5458 MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_protocol,
5459 ipv4_m->hdr.next_proto_id);
5460 MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol,
5461 ipv4_v->hdr.next_proto_id & ipv4_m->hdr.next_proto_id);
5462 MLX5_SET(fte_match_set_lyr_2_4, headers_m, cvlan_tag, 1);
5466 * Add IPV6 item to matcher and to the value.
5468 * @param[in, out] matcher
5470 * @param[in, out] key
5471 * Flow matcher value.
5473 * Flow pattern to translate.
5475 * Item is inner pattern.
5477 * The group to insert the rule.
5480 flow_dv_translate_item_ipv6(void *matcher, void *key,
5481 const struct rte_flow_item *item,
5482 int inner, uint32_t group)
5484 const struct rte_flow_item_ipv6 *ipv6_m = item->mask;
5485 const struct rte_flow_item_ipv6 *ipv6_v = item->spec;
5486 const struct rte_flow_item_ipv6 nic_mask = {
5489 "\xff\xff\xff\xff\xff\xff\xff\xff"
5490 "\xff\xff\xff\xff\xff\xff\xff\xff",
5492 "\xff\xff\xff\xff\xff\xff\xff\xff"
5493 "\xff\xff\xff\xff\xff\xff\xff\xff",
5494 .vtc_flow = RTE_BE32(0xffffffff),
5501 void *misc_m = MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters);
5502 void *misc_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters);
5511 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
5513 headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
5515 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
5517 headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
5520 MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_version, 0xf);
5522 MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_version, 0x6);
5523 MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, 6);
5528 size = sizeof(ipv6_m->hdr.dst_addr);
5529 l24_m = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_m,
5530 dst_ipv4_dst_ipv6.ipv6_layout.ipv6);
5531 l24_v = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
5532 dst_ipv4_dst_ipv6.ipv6_layout.ipv6);
5533 memcpy(l24_m, ipv6_m->hdr.dst_addr, size);
5534 for (i = 0; i < size; ++i)
5535 l24_v[i] = l24_m[i] & ipv6_v->hdr.dst_addr[i];
5536 l24_m = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_m,
5537 src_ipv4_src_ipv6.ipv6_layout.ipv6);
5538 l24_v = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
5539 src_ipv4_src_ipv6.ipv6_layout.ipv6);
5540 memcpy(l24_m, ipv6_m->hdr.src_addr, size);
5541 for (i = 0; i < size; ++i)
5542 l24_v[i] = l24_m[i] & ipv6_v->hdr.src_addr[i];
5544 vtc_m = rte_be_to_cpu_32(ipv6_m->hdr.vtc_flow);
5545 vtc_v = rte_be_to_cpu_32(ipv6_m->hdr.vtc_flow & ipv6_v->hdr.vtc_flow);
5546 MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_ecn, vtc_m >> 20);
5547 MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, vtc_v >> 20);
5548 MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_dscp, vtc_m >> 22);
5549 MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, vtc_v >> 22);
5552 MLX5_SET(fte_match_set_misc, misc_m, inner_ipv6_flow_label,
5554 MLX5_SET(fte_match_set_misc, misc_v, inner_ipv6_flow_label,
5557 MLX5_SET(fte_match_set_misc, misc_m, outer_ipv6_flow_label,
5559 MLX5_SET(fte_match_set_misc, misc_v, outer_ipv6_flow_label,
5563 MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_protocol,
5565 MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol,
5566 ipv6_v->hdr.proto & ipv6_m->hdr.proto);
5567 MLX5_SET(fte_match_set_lyr_2_4, headers_m, cvlan_tag, 1);
5571 * Add TCP item to matcher and to the value.
5573 * @param[in, out] matcher
5575 * @param[in, out] key
5576 * Flow matcher value.
5578 * Flow pattern to translate.
5580 * Item is inner pattern.
5583 flow_dv_translate_item_tcp(void *matcher, void *key,
5584 const struct rte_flow_item *item,
5587 const struct rte_flow_item_tcp *tcp_m = item->mask;
5588 const struct rte_flow_item_tcp *tcp_v = item->spec;
5593 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
5595 headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
5597 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
5599 headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
5601 MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_protocol, 0xff);
5602 MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, IPPROTO_TCP);
5606 tcp_m = &rte_flow_item_tcp_mask;
5607 MLX5_SET(fte_match_set_lyr_2_4, headers_m, tcp_sport,
5608 rte_be_to_cpu_16(tcp_m->hdr.src_port));
5609 MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_sport,
5610 rte_be_to_cpu_16(tcp_v->hdr.src_port & tcp_m->hdr.src_port));
5611 MLX5_SET(fte_match_set_lyr_2_4, headers_m, tcp_dport,
5612 rte_be_to_cpu_16(tcp_m->hdr.dst_port));
5613 MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_dport,
5614 rte_be_to_cpu_16(tcp_v->hdr.dst_port & tcp_m->hdr.dst_port));
5615 MLX5_SET(fte_match_set_lyr_2_4, headers_m, tcp_flags,
5616 tcp_m->hdr.tcp_flags);
5617 MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags,
5618 (tcp_v->hdr.tcp_flags & tcp_m->hdr.tcp_flags));
5622 * Add UDP item to matcher and to the value.
5624 * @param[in, out] matcher
5626 * @param[in, out] key
5627 * Flow matcher value.
5629 * Flow pattern to translate.
5631 * Item is inner pattern.
5634 flow_dv_translate_item_udp(void *matcher, void *key,
5635 const struct rte_flow_item *item,
5638 const struct rte_flow_item_udp *udp_m = item->mask;
5639 const struct rte_flow_item_udp *udp_v = item->spec;
5644 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
5646 headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
5648 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
5650 headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
5652 MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_protocol, 0xff);
5653 MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, IPPROTO_UDP);
5657 udp_m = &rte_flow_item_udp_mask;
5658 MLX5_SET(fte_match_set_lyr_2_4, headers_m, udp_sport,
5659 rte_be_to_cpu_16(udp_m->hdr.src_port));
5660 MLX5_SET(fte_match_set_lyr_2_4, headers_v, udp_sport,
5661 rte_be_to_cpu_16(udp_v->hdr.src_port & udp_m->hdr.src_port));
5662 MLX5_SET(fte_match_set_lyr_2_4, headers_m, udp_dport,
5663 rte_be_to_cpu_16(udp_m->hdr.dst_port));
5664 MLX5_SET(fte_match_set_lyr_2_4, headers_v, udp_dport,
5665 rte_be_to_cpu_16(udp_v->hdr.dst_port & udp_m->hdr.dst_port));
5669 * Add GRE optional Key item to matcher and to the value.
5671 * @param[in, out] matcher
5673 * @param[in, out] key
5674 * Flow matcher value.
5676 * Flow pattern to translate.
5678 * Item is inner pattern.
5681 flow_dv_translate_item_gre_key(void *matcher, void *key,
5682 const struct rte_flow_item *item)
5684 const rte_be32_t *key_m = item->mask;
5685 const rte_be32_t *key_v = item->spec;
5686 void *misc_m = MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters);
5687 void *misc_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters);
5688 rte_be32_t gre_key_default_mask = RTE_BE32(UINT32_MAX);
5690 /* GRE K bit must be on and should already be validated */
5691 MLX5_SET(fte_match_set_misc, misc_m, gre_k_present, 1);
5692 MLX5_SET(fte_match_set_misc, misc_v, gre_k_present, 1);
5696 key_m = &gre_key_default_mask;
5697 MLX5_SET(fte_match_set_misc, misc_m, gre_key_h,
5698 rte_be_to_cpu_32(*key_m) >> 8);
5699 MLX5_SET(fte_match_set_misc, misc_v, gre_key_h,
5700 rte_be_to_cpu_32((*key_v) & (*key_m)) >> 8);
5701 MLX5_SET(fte_match_set_misc, misc_m, gre_key_l,
5702 rte_be_to_cpu_32(*key_m) & 0xFF);
5703 MLX5_SET(fte_match_set_misc, misc_v, gre_key_l,
5704 rte_be_to_cpu_32((*key_v) & (*key_m)) & 0xFF);
5708 * Add GRE item to matcher and to the value.
5710 * @param[in, out] matcher
5712 * @param[in, out] key
5713 * Flow matcher value.
5715 * Flow pattern to translate.
5717 * Item is inner pattern.
5720 flow_dv_translate_item_gre(void *matcher, void *key,
5721 const struct rte_flow_item *item,
5724 const struct rte_flow_item_gre *gre_m = item->mask;
5725 const struct rte_flow_item_gre *gre_v = item->spec;
5728 void *misc_m = MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters);
5729 void *misc_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters);
5736 uint16_t s_present:1;
5737 uint16_t k_present:1;
5738 uint16_t rsvd_bit1:1;
5739 uint16_t c_present:1;
5743 } gre_crks_rsvd0_ver_m, gre_crks_rsvd0_ver_v;
5746 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
5748 headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
5750 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
5752 headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
5754 MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_protocol, 0xff);
5755 MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, IPPROTO_GRE);
5759 gre_m = &rte_flow_item_gre_mask;
5760 MLX5_SET(fte_match_set_misc, misc_m, gre_protocol,
5761 rte_be_to_cpu_16(gre_m->protocol));
5762 MLX5_SET(fte_match_set_misc, misc_v, gre_protocol,
5763 rte_be_to_cpu_16(gre_v->protocol & gre_m->protocol));
5764 gre_crks_rsvd0_ver_m.value = rte_be_to_cpu_16(gre_m->c_rsvd0_ver);
5765 gre_crks_rsvd0_ver_v.value = rte_be_to_cpu_16(gre_v->c_rsvd0_ver);
5766 MLX5_SET(fte_match_set_misc, misc_m, gre_c_present,
5767 gre_crks_rsvd0_ver_m.c_present);
5768 MLX5_SET(fte_match_set_misc, misc_v, gre_c_present,
5769 gre_crks_rsvd0_ver_v.c_present &
5770 gre_crks_rsvd0_ver_m.c_present);
5771 MLX5_SET(fte_match_set_misc, misc_m, gre_k_present,
5772 gre_crks_rsvd0_ver_m.k_present);
5773 MLX5_SET(fte_match_set_misc, misc_v, gre_k_present,
5774 gre_crks_rsvd0_ver_v.k_present &
5775 gre_crks_rsvd0_ver_m.k_present);
5776 MLX5_SET(fte_match_set_misc, misc_m, gre_s_present,
5777 gre_crks_rsvd0_ver_m.s_present);
5778 MLX5_SET(fte_match_set_misc, misc_v, gre_s_present,
5779 gre_crks_rsvd0_ver_v.s_present &
5780 gre_crks_rsvd0_ver_m.s_present);
5784 * Add NVGRE item to matcher and to the value.
5786 * @param[in, out] matcher
5788 * @param[in, out] key
5789 * Flow matcher value.
5791 * Flow pattern to translate.
5793 * Item is inner pattern.
5796 flow_dv_translate_item_nvgre(void *matcher, void *key,
5797 const struct rte_flow_item *item,
5800 const struct rte_flow_item_nvgre *nvgre_m = item->mask;
5801 const struct rte_flow_item_nvgre *nvgre_v = item->spec;
5802 void *misc_m = MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters);
5803 void *misc_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters);
5804 const char *tni_flow_id_m = (const char *)nvgre_m->tni;
5805 const char *tni_flow_id_v = (const char *)nvgre_v->tni;
5811 /* For NVGRE, GRE header fields must be set with defined values. */
5812 const struct rte_flow_item_gre gre_spec = {
5813 .c_rsvd0_ver = RTE_BE16(0x2000),
5814 .protocol = RTE_BE16(RTE_ETHER_TYPE_TEB)
5816 const struct rte_flow_item_gre gre_mask = {
5817 .c_rsvd0_ver = RTE_BE16(0xB000),
5818 .protocol = RTE_BE16(UINT16_MAX),
5820 const struct rte_flow_item gre_item = {
5825 flow_dv_translate_item_gre(matcher, key, &gre_item, inner);
5829 nvgre_m = &rte_flow_item_nvgre_mask;
5830 size = sizeof(nvgre_m->tni) + sizeof(nvgre_m->flow_id);
5831 gre_key_m = MLX5_ADDR_OF(fte_match_set_misc, misc_m, gre_key_h);
5832 gre_key_v = MLX5_ADDR_OF(fte_match_set_misc, misc_v, gre_key_h);
5833 memcpy(gre_key_m, tni_flow_id_m, size);
5834 for (i = 0; i < size; ++i)
5835 gre_key_v[i] = gre_key_m[i] & tni_flow_id_v[i];
5839 * Add VXLAN item to matcher and to the value.
5841 * @param[in, out] matcher
5843 * @param[in, out] key
5844 * Flow matcher value.
5846 * Flow pattern to translate.
5848 * Item is inner pattern.
5851 flow_dv_translate_item_vxlan(void *matcher, void *key,
5852 const struct rte_flow_item *item,
5855 const struct rte_flow_item_vxlan *vxlan_m = item->mask;
5856 const struct rte_flow_item_vxlan *vxlan_v = item->spec;
5859 void *misc_m = MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters);
5860 void *misc_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters);
5868 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
5870 headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
5872 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
5874 headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
5876 dport = item->type == RTE_FLOW_ITEM_TYPE_VXLAN ?
5877 MLX5_UDP_PORT_VXLAN : MLX5_UDP_PORT_VXLAN_GPE;
5878 if (!MLX5_GET16(fte_match_set_lyr_2_4, headers_v, udp_dport)) {
5879 MLX5_SET(fte_match_set_lyr_2_4, headers_m, udp_dport, 0xFFFF);
5880 MLX5_SET(fte_match_set_lyr_2_4, headers_v, udp_dport, dport);
5885 vxlan_m = &rte_flow_item_vxlan_mask;
5886 size = sizeof(vxlan_m->vni);
5887 vni_m = MLX5_ADDR_OF(fte_match_set_misc, misc_m, vxlan_vni);
5888 vni_v = MLX5_ADDR_OF(fte_match_set_misc, misc_v, vxlan_vni);
5889 memcpy(vni_m, vxlan_m->vni, size);
5890 for (i = 0; i < size; ++i)
5891 vni_v[i] = vni_m[i] & vxlan_v->vni[i];
5895 * Add VXLAN-GPE item to matcher and to the value.
5897 * @param[in, out] matcher
5899 * @param[in, out] key
5900 * Flow matcher value.
5902 * Flow pattern to translate.
5904 * Item is inner pattern.
5908 flow_dv_translate_item_vxlan_gpe(void *matcher, void *key,
5909 const struct rte_flow_item *item, int inner)
5911 const struct rte_flow_item_vxlan_gpe *vxlan_m = item->mask;
5912 const struct rte_flow_item_vxlan_gpe *vxlan_v = item->spec;
5916 MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters_3);
5918 MLX5_ADDR_OF(fte_match_param, key, misc_parameters_3);
5924 uint8_t flags_m = 0xff;
5925 uint8_t flags_v = 0xc;
5928 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
5930 headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
5932 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
5934 headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
5936 dport = item->type == RTE_FLOW_ITEM_TYPE_VXLAN ?
5937 MLX5_UDP_PORT_VXLAN : MLX5_UDP_PORT_VXLAN_GPE;
5938 if (!MLX5_GET16(fte_match_set_lyr_2_4, headers_v, udp_dport)) {
5939 MLX5_SET(fte_match_set_lyr_2_4, headers_m, udp_dport, 0xFFFF);
5940 MLX5_SET(fte_match_set_lyr_2_4, headers_v, udp_dport, dport);
5945 vxlan_m = &rte_flow_item_vxlan_gpe_mask;
5946 size = sizeof(vxlan_m->vni);
5947 vni_m = MLX5_ADDR_OF(fte_match_set_misc3, misc_m, outer_vxlan_gpe_vni);
5948 vni_v = MLX5_ADDR_OF(fte_match_set_misc3, misc_v, outer_vxlan_gpe_vni);
5949 memcpy(vni_m, vxlan_m->vni, size);
5950 for (i = 0; i < size; ++i)
5951 vni_v[i] = vni_m[i] & vxlan_v->vni[i];
5952 if (vxlan_m->flags) {
5953 flags_m = vxlan_m->flags;
5954 flags_v = vxlan_v->flags;
5956 MLX5_SET(fte_match_set_misc3, misc_m, outer_vxlan_gpe_flags, flags_m);
5957 MLX5_SET(fte_match_set_misc3, misc_v, outer_vxlan_gpe_flags, flags_v);
5958 MLX5_SET(fte_match_set_misc3, misc_m, outer_vxlan_gpe_next_protocol,
5960 MLX5_SET(fte_match_set_misc3, misc_v, outer_vxlan_gpe_next_protocol,
5965 * Add Geneve item to matcher and to the value.
5967 * @param[in, out] matcher
5969 * @param[in, out] key
5970 * Flow matcher value.
5972 * Flow pattern to translate.
5974 * Item is inner pattern.
5978 flow_dv_translate_item_geneve(void *matcher, void *key,
5979 const struct rte_flow_item *item, int inner)
5981 const struct rte_flow_item_geneve *geneve_m = item->mask;
5982 const struct rte_flow_item_geneve *geneve_v = item->spec;
5985 void *misc_m = MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters);
5986 void *misc_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters);
5995 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
5997 headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
5999 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
6001 headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
6003 dport = MLX5_UDP_PORT_GENEVE;
6004 if (!MLX5_GET16(fte_match_set_lyr_2_4, headers_v, udp_dport)) {
6005 MLX5_SET(fte_match_set_lyr_2_4, headers_m, udp_dport, 0xFFFF);
6006 MLX5_SET(fte_match_set_lyr_2_4, headers_v, udp_dport, dport);
6011 geneve_m = &rte_flow_item_geneve_mask;
6012 size = sizeof(geneve_m->vni);
6013 vni_m = MLX5_ADDR_OF(fte_match_set_misc, misc_m, geneve_vni);
6014 vni_v = MLX5_ADDR_OF(fte_match_set_misc, misc_v, geneve_vni);
6015 memcpy(vni_m, geneve_m->vni, size);
6016 for (i = 0; i < size; ++i)
6017 vni_v[i] = vni_m[i] & geneve_v->vni[i];
6018 MLX5_SET(fte_match_set_misc, misc_m, geneve_protocol_type,
6019 rte_be_to_cpu_16(geneve_m->protocol));
6020 MLX5_SET(fte_match_set_misc, misc_v, geneve_protocol_type,
6021 rte_be_to_cpu_16(geneve_v->protocol & geneve_m->protocol));
6022 gbhdr_m = rte_be_to_cpu_16(geneve_m->ver_opt_len_o_c_rsvd0);
6023 gbhdr_v = rte_be_to_cpu_16(geneve_v->ver_opt_len_o_c_rsvd0);
6024 MLX5_SET(fte_match_set_misc, misc_m, geneve_oam,
6025 MLX5_GENEVE_OAMF_VAL(gbhdr_m));
6026 MLX5_SET(fte_match_set_misc, misc_v, geneve_oam,
6027 MLX5_GENEVE_OAMF_VAL(gbhdr_v) & MLX5_GENEVE_OAMF_VAL(gbhdr_m));
6028 MLX5_SET(fte_match_set_misc, misc_m, geneve_opt_len,
6029 MLX5_GENEVE_OPTLEN_VAL(gbhdr_m));
6030 MLX5_SET(fte_match_set_misc, misc_v, geneve_opt_len,
6031 MLX5_GENEVE_OPTLEN_VAL(gbhdr_v) &
6032 MLX5_GENEVE_OPTLEN_VAL(gbhdr_m));
6036 * Add MPLS item to matcher and to the value.
6038 * @param[in, out] matcher
6040 * @param[in, out] key
6041 * Flow matcher value.
6043 * Flow pattern to translate.
6044 * @param[in] prev_layer
6045 * The protocol layer indicated in previous item.
6047 * Item is inner pattern.
6050 flow_dv_translate_item_mpls(void *matcher, void *key,
6051 const struct rte_flow_item *item,
6052 uint64_t prev_layer,
6055 const uint32_t *in_mpls_m = item->mask;
6056 const uint32_t *in_mpls_v = item->spec;
6057 uint32_t *out_mpls_m = 0;
6058 uint32_t *out_mpls_v = 0;
6059 void *misc_m = MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters);
6060 void *misc_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters);
6061 void *misc2_m = MLX5_ADDR_OF(fte_match_param, matcher,
6063 void *misc2_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters_2);
6064 void *headers_m = MLX5_ADDR_OF(fte_match_param, matcher, outer_headers);
6065 void *headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
6067 switch (prev_layer) {
6068 case MLX5_FLOW_LAYER_OUTER_L4_UDP:
6069 MLX5_SET(fte_match_set_lyr_2_4, headers_m, udp_dport, 0xffff);
6070 MLX5_SET(fte_match_set_lyr_2_4, headers_v, udp_dport,
6071 MLX5_UDP_PORT_MPLS);
6073 case MLX5_FLOW_LAYER_GRE:
6074 MLX5_SET(fte_match_set_misc, misc_m, gre_protocol, 0xffff);
6075 MLX5_SET(fte_match_set_misc, misc_v, gre_protocol,
6076 RTE_ETHER_TYPE_MPLS);
6079 MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_protocol, 0xff);
6080 MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol,
6087 in_mpls_m = (const uint32_t *)&rte_flow_item_mpls_mask;
6088 switch (prev_layer) {
6089 case MLX5_FLOW_LAYER_OUTER_L4_UDP:
6091 (uint32_t *)MLX5_ADDR_OF(fte_match_set_misc2, misc2_m,
6092 outer_first_mpls_over_udp);
6094 (uint32_t *)MLX5_ADDR_OF(fte_match_set_misc2, misc2_v,
6095 outer_first_mpls_over_udp);
6097 case MLX5_FLOW_LAYER_GRE:
6099 (uint32_t *)MLX5_ADDR_OF(fte_match_set_misc2, misc2_m,
6100 outer_first_mpls_over_gre);
6102 (uint32_t *)MLX5_ADDR_OF(fte_match_set_misc2, misc2_v,
6103 outer_first_mpls_over_gre);
6106 /* Inner MPLS not over GRE is not supported. */
6109 (uint32_t *)MLX5_ADDR_OF(fte_match_set_misc2,
6113 (uint32_t *)MLX5_ADDR_OF(fte_match_set_misc2,
6119 if (out_mpls_m && out_mpls_v) {
6120 *out_mpls_m = *in_mpls_m;
6121 *out_mpls_v = *in_mpls_v & *in_mpls_m;
6126 * Add metadata register item to matcher
6128 * @param[in, out] matcher
6130 * @param[in, out] key
6131 * Flow matcher value.
6132 * @param[in] reg_type
6133 * Type of device metadata register
6140 flow_dv_match_meta_reg(void *matcher, void *key,
6141 enum modify_reg reg_type,
6142 uint32_t data, uint32_t mask)
6145 MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters_2);
6147 MLX5_ADDR_OF(fte_match_param, key, misc_parameters_2);
6153 MLX5_SET(fte_match_set_misc2, misc2_m, metadata_reg_a, mask);
6154 MLX5_SET(fte_match_set_misc2, misc2_v, metadata_reg_a, data);
6157 MLX5_SET(fte_match_set_misc2, misc2_m, metadata_reg_b, mask);
6158 MLX5_SET(fte_match_set_misc2, misc2_v, metadata_reg_b, data);
6162 * The metadata register C0 field might be divided into
6163 * source vport index and META item value, we should set
6164 * this field according to specified mask, not as whole one.
6166 temp = MLX5_GET(fte_match_set_misc2, misc2_m, metadata_reg_c_0);
6168 MLX5_SET(fte_match_set_misc2, misc2_m, metadata_reg_c_0, temp);
6169 temp = MLX5_GET(fte_match_set_misc2, misc2_v, metadata_reg_c_0);
6172 MLX5_SET(fte_match_set_misc2, misc2_v, metadata_reg_c_0, temp);
6175 MLX5_SET(fte_match_set_misc2, misc2_m, metadata_reg_c_1, mask);
6176 MLX5_SET(fte_match_set_misc2, misc2_v, metadata_reg_c_1, data);
6179 MLX5_SET(fte_match_set_misc2, misc2_m, metadata_reg_c_2, mask);
6180 MLX5_SET(fte_match_set_misc2, misc2_v, metadata_reg_c_2, data);
6183 MLX5_SET(fte_match_set_misc2, misc2_m, metadata_reg_c_3, mask);
6184 MLX5_SET(fte_match_set_misc2, misc2_v, metadata_reg_c_3, data);
6187 MLX5_SET(fte_match_set_misc2, misc2_m, metadata_reg_c_4, mask);
6188 MLX5_SET(fte_match_set_misc2, misc2_v, metadata_reg_c_4, data);
6191 MLX5_SET(fte_match_set_misc2, misc2_m, metadata_reg_c_5, mask);
6192 MLX5_SET(fte_match_set_misc2, misc2_v, metadata_reg_c_5, data);
6195 MLX5_SET(fte_match_set_misc2, misc2_m, metadata_reg_c_6, mask);
6196 MLX5_SET(fte_match_set_misc2, misc2_v, metadata_reg_c_6, data);
6199 MLX5_SET(fte_match_set_misc2, misc2_m, metadata_reg_c_7, mask);
6200 MLX5_SET(fte_match_set_misc2, misc2_v, metadata_reg_c_7, data);
6209 * Add MARK item to matcher
6212 * The device to configure through.
6213 * @param[in, out] matcher
6215 * @param[in, out] key
6216 * Flow matcher value.
6218 * Flow pattern to translate.
6221 flow_dv_translate_item_mark(struct rte_eth_dev *dev,
6222 void *matcher, void *key,
6223 const struct rte_flow_item *item)
6225 struct mlx5_priv *priv = dev->data->dev_private;
6226 const struct rte_flow_item_mark *mark;
6230 mark = item->mask ? (const void *)item->mask :
6231 &rte_flow_item_mark_mask;
6232 mask = mark->id & priv->sh->dv_mark_mask;
6233 mark = (const void *)item->spec;
6235 value = mark->id & priv->sh->dv_mark_mask & mask;
6237 enum modify_reg reg;
6239 /* Get the metadata register index for the mark. */
6240 reg = mlx5_flow_get_reg_id(dev, MLX5_FLOW_MARK, 0, NULL);
6241 MLX5_ASSERT(reg > 0);
6242 if (reg == REG_C_0) {
6243 struct mlx5_priv *priv = dev->data->dev_private;
6244 uint32_t msk_c0 = priv->sh->dv_regc0_mask;
6245 uint32_t shl_c0 = rte_bsf32(msk_c0);
6251 flow_dv_match_meta_reg(matcher, key, reg, value, mask);
6256 * Add META item to matcher
6259 * The devich to configure through.
6260 * @param[in, out] matcher
6262 * @param[in, out] key
6263 * Flow matcher value.
6265 * Attributes of flow that includes this item.
6267 * Flow pattern to translate.
6270 flow_dv_translate_item_meta(struct rte_eth_dev *dev,
6271 void *matcher, void *key,
6272 const struct rte_flow_attr *attr,
6273 const struct rte_flow_item *item)
6275 const struct rte_flow_item_meta *meta_m;
6276 const struct rte_flow_item_meta *meta_v;
6278 meta_m = (const void *)item->mask;
6280 meta_m = &rte_flow_item_meta_mask;
6281 meta_v = (const void *)item->spec;
6284 uint32_t value = meta_v->data;
6285 uint32_t mask = meta_m->data;
6287 reg = flow_dv_get_metadata_reg(dev, attr, NULL);
6291 * In datapath code there is no endianness
6292 * coversions for perfromance reasons, all
6293 * pattern conversions are done in rte_flow.
6295 value = rte_cpu_to_be_32(value);
6296 mask = rte_cpu_to_be_32(mask);
6297 if (reg == REG_C_0) {
6298 struct mlx5_priv *priv = dev->data->dev_private;
6299 uint32_t msk_c0 = priv->sh->dv_regc0_mask;
6300 uint32_t shl_c0 = rte_bsf32(msk_c0);
6301 #if RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN
6302 uint32_t shr_c0 = __builtin_clz(priv->sh->dv_meta_mask);
6309 MLX5_ASSERT(msk_c0);
6310 MLX5_ASSERT(!(~msk_c0 & mask));
6312 flow_dv_match_meta_reg(matcher, key, reg, value, mask);
6317 * Add vport metadata Reg C0 item to matcher
6319 * @param[in, out] matcher
6321 * @param[in, out] key
6322 * Flow matcher value.
6324 * Flow pattern to translate.
6327 flow_dv_translate_item_meta_vport(void *matcher, void *key,
6328 uint32_t value, uint32_t mask)
6330 flow_dv_match_meta_reg(matcher, key, REG_C_0, value, mask);
6334 * Add tag item to matcher
6337 * The devich to configure through.
6338 * @param[in, out] matcher
6340 * @param[in, out] key
6341 * Flow matcher value.
6343 * Flow pattern to translate.
6346 flow_dv_translate_mlx5_item_tag(struct rte_eth_dev *dev,
6347 void *matcher, void *key,
6348 const struct rte_flow_item *item)
6350 const struct mlx5_rte_flow_item_tag *tag_v = item->spec;
6351 const struct mlx5_rte_flow_item_tag *tag_m = item->mask;
6352 uint32_t mask, value;
6355 value = tag_v->data;
6356 mask = tag_m ? tag_m->data : UINT32_MAX;
6357 if (tag_v->id == REG_C_0) {
6358 struct mlx5_priv *priv = dev->data->dev_private;
6359 uint32_t msk_c0 = priv->sh->dv_regc0_mask;
6360 uint32_t shl_c0 = rte_bsf32(msk_c0);
6366 flow_dv_match_meta_reg(matcher, key, tag_v->id, value, mask);
6370 * Add TAG item to matcher
6373 * The devich to configure through.
6374 * @param[in, out] matcher
6376 * @param[in, out] key
6377 * Flow matcher value.
6379 * Flow pattern to translate.
6382 flow_dv_translate_item_tag(struct rte_eth_dev *dev,
6383 void *matcher, void *key,
6384 const struct rte_flow_item *item)
6386 const struct rte_flow_item_tag *tag_v = item->spec;
6387 const struct rte_flow_item_tag *tag_m = item->mask;
6388 enum modify_reg reg;
6391 tag_m = tag_m ? tag_m : &rte_flow_item_tag_mask;
6392 /* Get the metadata register index for the tag. */
6393 reg = mlx5_flow_get_reg_id(dev, MLX5_APP_TAG, tag_v->index, NULL);
6394 MLX5_ASSERT(reg > 0);
6395 flow_dv_match_meta_reg(matcher, key, reg, tag_v->data, tag_m->data);
6399 * Add source vport match to the specified matcher.
6401 * @param[in, out] matcher
6403 * @param[in, out] key
6404 * Flow matcher value.
6406 * Source vport value to match
6411 flow_dv_translate_item_source_vport(void *matcher, void *key,
6412 int16_t port, uint16_t mask)
6414 void *misc_m = MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters);
6415 void *misc_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters);
6417 MLX5_SET(fte_match_set_misc, misc_m, source_port, mask);
6418 MLX5_SET(fte_match_set_misc, misc_v, source_port, port);
6422 * Translate port-id item to eswitch match on port-id.
6425 * The devich to configure through.
6426 * @param[in, out] matcher
6428 * @param[in, out] key
6429 * Flow matcher value.
6431 * Flow pattern to translate.
6434 * 0 on success, a negative errno value otherwise.
6437 flow_dv_translate_item_port_id(struct rte_eth_dev *dev, void *matcher,
6438 void *key, const struct rte_flow_item *item)
6440 const struct rte_flow_item_port_id *pid_m = item ? item->mask : NULL;
6441 const struct rte_flow_item_port_id *pid_v = item ? item->spec : NULL;
6442 struct mlx5_priv *priv;
6445 mask = pid_m ? pid_m->id : 0xffff;
6446 id = pid_v ? pid_v->id : dev->data->port_id;
6447 priv = mlx5_port_to_eswitch_info(id, item == NULL);
6450 /* Translate to vport field or to metadata, depending on mode. */
6451 if (priv->vport_meta_mask)
6452 flow_dv_translate_item_meta_vport(matcher, key,
6453 priv->vport_meta_tag,
6454 priv->vport_meta_mask);
6456 flow_dv_translate_item_source_vport(matcher, key,
6457 priv->vport_id, mask);
6462 * Add ICMP6 item to matcher and to the value.
6464 * @param[in, out] matcher
6466 * @param[in, out] key
6467 * Flow matcher value.
6469 * Flow pattern to translate.
6471 * Item is inner pattern.
6474 flow_dv_translate_item_icmp6(void *matcher, void *key,
6475 const struct rte_flow_item *item,
6478 const struct rte_flow_item_icmp6 *icmp6_m = item->mask;
6479 const struct rte_flow_item_icmp6 *icmp6_v = item->spec;
6482 void *misc3_m = MLX5_ADDR_OF(fte_match_param, matcher,
6484 void *misc3_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters_3);
6486 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
6488 headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
6490 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
6492 headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
6494 MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_protocol, 0xFF);
6495 MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, IPPROTO_ICMPV6);
6499 icmp6_m = &rte_flow_item_icmp6_mask;
6501 * Force flow only to match the non-fragmented IPv6 ICMPv6 packets.
6502 * If only the protocol is specified, no need to match the frag.
6504 MLX5_SET(fte_match_set_lyr_2_4, headers_m, frag, 1);
6505 MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 0);
6506 MLX5_SET(fte_match_set_misc3, misc3_m, icmpv6_type, icmp6_m->type);
6507 MLX5_SET(fte_match_set_misc3, misc3_v, icmpv6_type,
6508 icmp6_v->type & icmp6_m->type);
6509 MLX5_SET(fte_match_set_misc3, misc3_m, icmpv6_code, icmp6_m->code);
6510 MLX5_SET(fte_match_set_misc3, misc3_v, icmpv6_code,
6511 icmp6_v->code & icmp6_m->code);
6515 * Add ICMP item to matcher and to the value.
6517 * @param[in, out] matcher
6519 * @param[in, out] key
6520 * Flow matcher value.
6522 * Flow pattern to translate.
6524 * Item is inner pattern.
6527 flow_dv_translate_item_icmp(void *matcher, void *key,
6528 const struct rte_flow_item *item,
6531 const struct rte_flow_item_icmp *icmp_m = item->mask;
6532 const struct rte_flow_item_icmp *icmp_v = item->spec;
6535 void *misc3_m = MLX5_ADDR_OF(fte_match_param, matcher,
6537 void *misc3_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters_3);
6539 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
6541 headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
6543 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
6545 headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
6547 MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_protocol, 0xFF);
6548 MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, IPPROTO_ICMP);
6552 icmp_m = &rte_flow_item_icmp_mask;
6554 * Force flow only to match the non-fragmented IPv4 ICMP packets.
6555 * If only the protocol is specified, no need to match the frag.
6557 MLX5_SET(fte_match_set_lyr_2_4, headers_m, frag, 1);
6558 MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 0);
6559 MLX5_SET(fte_match_set_misc3, misc3_m, icmp_type,
6560 icmp_m->hdr.icmp_type);
6561 MLX5_SET(fte_match_set_misc3, misc3_v, icmp_type,
6562 icmp_v->hdr.icmp_type & icmp_m->hdr.icmp_type);
6563 MLX5_SET(fte_match_set_misc3, misc3_m, icmp_code,
6564 icmp_m->hdr.icmp_code);
6565 MLX5_SET(fte_match_set_misc3, misc3_v, icmp_code,
6566 icmp_v->hdr.icmp_code & icmp_m->hdr.icmp_code);
6570 * Add GTP item to matcher and to the value.
6572 * @param[in, out] matcher
6574 * @param[in, out] key
6575 * Flow matcher value.
6577 * Flow pattern to translate.
6579 * Item is inner pattern.
6582 flow_dv_translate_item_gtp(void *matcher, void *key,
6583 const struct rte_flow_item *item, int inner)
6585 const struct rte_flow_item_gtp *gtp_m = item->mask;
6586 const struct rte_flow_item_gtp *gtp_v = item->spec;
6589 void *misc3_m = MLX5_ADDR_OF(fte_match_param, matcher,
6591 void *misc3_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters_3);
6592 uint16_t dport = RTE_GTPU_UDP_PORT;
6595 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
6597 headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
6599 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
6601 headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
6603 if (!MLX5_GET16(fte_match_set_lyr_2_4, headers_v, udp_dport)) {
6604 MLX5_SET(fte_match_set_lyr_2_4, headers_m, udp_dport, 0xFFFF);
6605 MLX5_SET(fte_match_set_lyr_2_4, headers_v, udp_dport, dport);
6610 gtp_m = &rte_flow_item_gtp_mask;
6611 MLX5_SET(fte_match_set_misc3, misc3_m, gtpu_msg_type, gtp_m->msg_type);
6612 MLX5_SET(fte_match_set_misc3, misc3_v, gtpu_msg_type,
6613 gtp_v->msg_type & gtp_m->msg_type);
6614 MLX5_SET(fte_match_set_misc3, misc3_m, gtpu_teid,
6615 rte_be_to_cpu_32(gtp_m->teid));
6616 MLX5_SET(fte_match_set_misc3, misc3_v, gtpu_teid,
6617 rte_be_to_cpu_32(gtp_v->teid & gtp_m->teid));
6620 static uint32_t matcher_zero[MLX5_ST_SZ_DW(fte_match_param)] = { 0 };
6622 #define HEADER_IS_ZERO(match_criteria, headers) \
6623 !(memcmp(MLX5_ADDR_OF(fte_match_param, match_criteria, headers), \
6624 matcher_zero, MLX5_FLD_SZ_BYTES(fte_match_param, headers))) \
6627 * Calculate flow matcher enable bitmap.
6629 * @param match_criteria
6630 * Pointer to flow matcher criteria.
6633 * Bitmap of enabled fields.
6636 flow_dv_matcher_enable(uint32_t *match_criteria)
6638 uint8_t match_criteria_enable;
6640 match_criteria_enable =
6641 (!HEADER_IS_ZERO(match_criteria, outer_headers)) <<
6642 MLX5_MATCH_CRITERIA_ENABLE_OUTER_BIT;
6643 match_criteria_enable |=
6644 (!HEADER_IS_ZERO(match_criteria, misc_parameters)) <<
6645 MLX5_MATCH_CRITERIA_ENABLE_MISC_BIT;
6646 match_criteria_enable |=
6647 (!HEADER_IS_ZERO(match_criteria, inner_headers)) <<
6648 MLX5_MATCH_CRITERIA_ENABLE_INNER_BIT;
6649 match_criteria_enable |=
6650 (!HEADER_IS_ZERO(match_criteria, misc_parameters_2)) <<
6651 MLX5_MATCH_CRITERIA_ENABLE_MISC2_BIT;
6652 match_criteria_enable |=
6653 (!HEADER_IS_ZERO(match_criteria, misc_parameters_3)) <<
6654 MLX5_MATCH_CRITERIA_ENABLE_MISC3_BIT;
6655 return match_criteria_enable;
6662 * @param[in, out] dev
6663 * Pointer to rte_eth_dev structure.
6664 * @param[in] table_id
6667 * Direction of the table.
6668 * @param[in] transfer
6669 * E-Switch or NIC flow.
6671 * pointer to error structure.
6674 * Returns tables resource based on the index, NULL in case of failed.
6676 static struct mlx5_flow_tbl_resource *
6677 flow_dv_tbl_resource_get(struct rte_eth_dev *dev,
6678 uint32_t table_id, uint8_t egress,
6680 struct rte_flow_error *error)
6682 struct mlx5_priv *priv = dev->data->dev_private;
6683 struct mlx5_ibv_shared *sh = priv->sh;
6684 struct mlx5_flow_tbl_resource *tbl;
6685 union mlx5_flow_tbl_key table_key = {
6687 .table_id = table_id,
6689 .domain = !!transfer,
6690 .direction = !!egress,
6693 struct mlx5_hlist_entry *pos = mlx5_hlist_lookup(sh->flow_tbls,
6695 struct mlx5_flow_tbl_data_entry *tbl_data;
6700 tbl_data = container_of(pos, struct mlx5_flow_tbl_data_entry,
6702 tbl = &tbl_data->tbl;
6703 rte_atomic32_inc(&tbl->refcnt);
6706 tbl_data = rte_zmalloc(NULL, sizeof(*tbl_data), 0);
6708 rte_flow_error_set(error, ENOMEM,
6709 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
6711 "cannot allocate flow table data entry");
6714 tbl = &tbl_data->tbl;
6715 pos = &tbl_data->entry;
6717 domain = sh->fdb_domain;
6719 domain = sh->tx_domain;
6721 domain = sh->rx_domain;
6722 tbl->obj = mlx5_glue->dr_create_flow_tbl(domain, table_id);
6724 rte_flow_error_set(error, ENOMEM,
6725 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
6726 NULL, "cannot create flow table object");
6731 * No multi-threads now, but still better to initialize the reference
6732 * count before insert it into the hash list.
6734 rte_atomic32_init(&tbl->refcnt);
6735 /* Jump action reference count is initialized here. */
6736 rte_atomic32_init(&tbl_data->jump.refcnt);
6737 pos->key = table_key.v64;
6738 ret = mlx5_hlist_insert(sh->flow_tbls, pos);
6740 rte_flow_error_set(error, -ret,
6741 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
6742 "cannot insert flow table data entry");
6743 mlx5_glue->dr_destroy_flow_tbl(tbl->obj);
6746 rte_atomic32_inc(&tbl->refcnt);
6751 * Release a flow table.
6754 * Pointer to rte_eth_dev structure.
6756 * Table resource to be released.
6759 * Returns 0 if table was released, else return 1;
6762 flow_dv_tbl_resource_release(struct rte_eth_dev *dev,
6763 struct mlx5_flow_tbl_resource *tbl)
6765 struct mlx5_priv *priv = dev->data->dev_private;
6766 struct mlx5_ibv_shared *sh = priv->sh;
6767 struct mlx5_flow_tbl_data_entry *tbl_data =
6768 container_of(tbl, struct mlx5_flow_tbl_data_entry, tbl);
6772 if (rte_atomic32_dec_and_test(&tbl->refcnt)) {
6773 struct mlx5_hlist_entry *pos = &tbl_data->entry;
6775 mlx5_glue->dr_destroy_flow_tbl(tbl->obj);
6777 /* remove the entry from the hash list and free memory. */
6778 mlx5_hlist_remove(sh->flow_tbls, pos);
6786 * Register the flow matcher.
6788 * @param[in, out] dev
6789 * Pointer to rte_eth_dev structure.
6790 * @param[in, out] matcher
6791 * Pointer to flow matcher.
6792 * @param[in, out] key
6793 * Pointer to flow table key.
6794 * @parm[in, out] dev_flow
6795 * Pointer to the dev_flow.
6797 * pointer to error structure.
6800 * 0 on success otherwise -errno and errno is set.
6803 flow_dv_matcher_register(struct rte_eth_dev *dev,
6804 struct mlx5_flow_dv_matcher *matcher,
6805 union mlx5_flow_tbl_key *key,
6806 struct mlx5_flow *dev_flow,
6807 struct rte_flow_error *error)
6809 struct mlx5_priv *priv = dev->data->dev_private;
6810 struct mlx5_ibv_shared *sh = priv->sh;
6811 struct mlx5_flow_dv_matcher *cache_matcher;
6812 struct mlx5dv_flow_matcher_attr dv_attr = {
6813 .type = IBV_FLOW_ATTR_NORMAL,
6814 .match_mask = (void *)&matcher->mask,
6816 struct mlx5_flow_tbl_resource *tbl;
6817 struct mlx5_flow_tbl_data_entry *tbl_data;
6819 tbl = flow_dv_tbl_resource_get(dev, key->table_id, key->direction,
6820 key->domain, error);
6822 return -rte_errno; /* No need to refill the error info */
6823 tbl_data = container_of(tbl, struct mlx5_flow_tbl_data_entry, tbl);
6824 /* Lookup from cache. */
6825 LIST_FOREACH(cache_matcher, &tbl_data->matchers, next) {
6826 if (matcher->crc == cache_matcher->crc &&
6827 matcher->priority == cache_matcher->priority &&
6828 !memcmp((const void *)matcher->mask.buf,
6829 (const void *)cache_matcher->mask.buf,
6830 cache_matcher->mask.size)) {
6832 "%s group %u priority %hd use %s "
6833 "matcher %p: refcnt %d++",
6834 key->domain ? "FDB" : "NIC", key->table_id,
6835 cache_matcher->priority,
6836 key->direction ? "tx" : "rx",
6837 (void *)cache_matcher,
6838 rte_atomic32_read(&cache_matcher->refcnt));
6839 rte_atomic32_inc(&cache_matcher->refcnt);
6840 dev_flow->dv.matcher = cache_matcher;
6841 /* old matcher should not make the table ref++. */
6842 flow_dv_tbl_resource_release(dev, tbl);
6846 /* Register new matcher. */
6847 cache_matcher = rte_calloc(__func__, 1, sizeof(*cache_matcher), 0);
6848 if (!cache_matcher) {
6849 flow_dv_tbl_resource_release(dev, tbl);
6850 return rte_flow_error_set(error, ENOMEM,
6851 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
6852 "cannot allocate matcher memory");
6854 *cache_matcher = *matcher;
6855 dv_attr.match_criteria_enable =
6856 flow_dv_matcher_enable(cache_matcher->mask.buf);
6857 dv_attr.priority = matcher->priority;
6859 dv_attr.flags |= IBV_FLOW_ATTR_FLAGS_EGRESS;
6860 cache_matcher->matcher_object =
6861 mlx5_glue->dv_create_flow_matcher(sh->ctx, &dv_attr, tbl->obj);
6862 if (!cache_matcher->matcher_object) {
6863 rte_free(cache_matcher);
6864 #ifdef HAVE_MLX5DV_DR
6865 flow_dv_tbl_resource_release(dev, tbl);
6867 return rte_flow_error_set(error, ENOMEM,
6868 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
6869 NULL, "cannot create matcher");
6871 /* Save the table information */
6872 cache_matcher->tbl = tbl;
6873 rte_atomic32_init(&cache_matcher->refcnt);
6874 /* only matcher ref++, table ref++ already done above in get API. */
6875 rte_atomic32_inc(&cache_matcher->refcnt);
6876 LIST_INSERT_HEAD(&tbl_data->matchers, cache_matcher, next);
6877 dev_flow->dv.matcher = cache_matcher;
6878 DRV_LOG(DEBUG, "%s group %u priority %hd new %s matcher %p: refcnt %d",
6879 key->domain ? "FDB" : "NIC", key->table_id,
6880 cache_matcher->priority,
6881 key->direction ? "tx" : "rx", (void *)cache_matcher,
6882 rte_atomic32_read(&cache_matcher->refcnt));
6887 * Find existing tag resource or create and register a new one.
6889 * @param dev[in, out]
6890 * Pointer to rte_eth_dev structure.
6891 * @param[in, out] tag_be24
6892 * Tag value in big endian then R-shift 8.
6893 * @parm[in, out] dev_flow
6894 * Pointer to the dev_flow.
6896 * pointer to error structure.
6899 * 0 on success otherwise -errno and errno is set.
6902 flow_dv_tag_resource_register
6903 (struct rte_eth_dev *dev,
6905 struct mlx5_flow *dev_flow,
6906 struct rte_flow_error *error)
6908 struct mlx5_priv *priv = dev->data->dev_private;
6909 struct mlx5_ibv_shared *sh = priv->sh;
6910 struct mlx5_flow_dv_tag_resource *cache_resource;
6911 struct mlx5_hlist_entry *entry;
6913 /* Lookup a matching resource from cache. */
6914 entry = mlx5_hlist_lookup(sh->tag_table, (uint64_t)tag_be24);
6916 cache_resource = container_of
6917 (entry, struct mlx5_flow_dv_tag_resource, entry);
6918 rte_atomic32_inc(&cache_resource->refcnt);
6919 dev_flow->dv.tag_resource = cache_resource;
6920 DRV_LOG(DEBUG, "cached tag resource %p: refcnt now %d++",
6921 (void *)cache_resource,
6922 rte_atomic32_read(&cache_resource->refcnt));
6925 /* Register new resource. */
6926 cache_resource = rte_calloc(__func__, 1, sizeof(*cache_resource), 0);
6927 if (!cache_resource)
6928 return rte_flow_error_set(error, ENOMEM,
6929 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
6930 "cannot allocate resource memory");
6931 cache_resource->entry.key = (uint64_t)tag_be24;
6932 cache_resource->action = mlx5_glue->dv_create_flow_action_tag(tag_be24);
6933 if (!cache_resource->action) {
6934 rte_free(cache_resource);
6935 return rte_flow_error_set(error, ENOMEM,
6936 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
6937 NULL, "cannot create action");
6939 rte_atomic32_init(&cache_resource->refcnt);
6940 rte_atomic32_inc(&cache_resource->refcnt);
6941 if (mlx5_hlist_insert(sh->tag_table, &cache_resource->entry)) {
6942 mlx5_glue->destroy_flow_action(cache_resource->action);
6943 rte_free(cache_resource);
6944 return rte_flow_error_set(error, EEXIST,
6945 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
6946 NULL, "cannot insert tag");
6948 dev_flow->dv.tag_resource = cache_resource;
6949 DRV_LOG(DEBUG, "new tag resource %p: refcnt now %d++",
6950 (void *)cache_resource,
6951 rte_atomic32_read(&cache_resource->refcnt));
6959 * Pointer to Ethernet device.
6961 * Pointer to mlx5_flow.
6964 * 1 while a reference on it exists, 0 when freed.
6967 flow_dv_tag_release(struct rte_eth_dev *dev,
6968 struct mlx5_flow_dv_tag_resource *tag)
6970 struct mlx5_priv *priv = dev->data->dev_private;
6971 struct mlx5_ibv_shared *sh = priv->sh;
6974 DRV_LOG(DEBUG, "port %u tag %p: refcnt %d--",
6975 dev->data->port_id, (void *)tag,
6976 rte_atomic32_read(&tag->refcnt));
6977 if (rte_atomic32_dec_and_test(&tag->refcnt)) {
6978 claim_zero(mlx5_glue->destroy_flow_action(tag->action));
6979 mlx5_hlist_remove(sh->tag_table, &tag->entry);
6980 DRV_LOG(DEBUG, "port %u tag %p: removed",
6981 dev->data->port_id, (void *)tag);
6989 * Translate port ID action to vport.
6992 * Pointer to rte_eth_dev structure.
6994 * Pointer to the port ID action.
6995 * @param[out] dst_port_id
6996 * The target port ID.
6998 * Pointer to the error structure.
7001 * 0 on success, a negative errno value otherwise and rte_errno is set.
7004 flow_dv_translate_action_port_id(struct rte_eth_dev *dev,
7005 const struct rte_flow_action *action,
7006 uint32_t *dst_port_id,
7007 struct rte_flow_error *error)
7010 struct mlx5_priv *priv;
7011 const struct rte_flow_action_port_id *conf =
7012 (const struct rte_flow_action_port_id *)action->conf;
7014 port = conf->original ? dev->data->port_id : conf->id;
7015 priv = mlx5_port_to_eswitch_info(port, false);
7017 return rte_flow_error_set(error, -rte_errno,
7018 RTE_FLOW_ERROR_TYPE_ACTION,
7020 "No eswitch info was found for port");
7021 #ifdef HAVE_MLX5DV_DR_DEVX_PORT
7023 * This parameter is transferred to
7024 * mlx5dv_dr_action_create_dest_ib_port().
7026 *dst_port_id = priv->ibv_port;
7029 * Legacy mode, no LAG configurations is supported.
7030 * This parameter is transferred to
7031 * mlx5dv_dr_action_create_dest_vport().
7033 *dst_port_id = priv->vport_id;
7039 * Add Tx queue matcher
7042 * Pointer to the dev struct.
7043 * @param[in, out] matcher
7045 * @param[in, out] key
7046 * Flow matcher value.
7048 * Flow pattern to translate.
7050 * Item is inner pattern.
7053 flow_dv_translate_item_tx_queue(struct rte_eth_dev *dev,
7054 void *matcher, void *key,
7055 const struct rte_flow_item *item)
7057 const struct mlx5_rte_flow_item_tx_queue *queue_m;
7058 const struct mlx5_rte_flow_item_tx_queue *queue_v;
7060 MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters);
7062 MLX5_ADDR_OF(fte_match_param, key, misc_parameters);
7063 struct mlx5_txq_ctrl *txq;
7067 queue_m = (const void *)item->mask;
7070 queue_v = (const void *)item->spec;
7073 txq = mlx5_txq_get(dev, queue_v->queue);
7076 queue = txq->obj->sq->id;
7077 MLX5_SET(fte_match_set_misc, misc_m, source_sqn, queue_m->queue);
7078 MLX5_SET(fte_match_set_misc, misc_v, source_sqn,
7079 queue & queue_m->queue);
7080 mlx5_txq_release(dev, queue_v->queue);
7084 * Set the hash fields according to the @p flow information.
7086 * @param[in] dev_flow
7087 * Pointer to the mlx5_flow.
7090 flow_dv_hashfields_set(struct mlx5_flow *dev_flow)
7092 struct rte_flow *flow = dev_flow->flow;
7093 uint64_t items = dev_flow->layers;
7095 uint64_t rss_types = rte_eth_rss_hf_refine(flow->rss.types);
7097 dev_flow->hash_fields = 0;
7098 #ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
7099 if (flow->rss.level >= 2) {
7100 dev_flow->hash_fields |= IBV_RX_HASH_INNER;
7104 if ((rss_inner && (items & MLX5_FLOW_LAYER_INNER_L3_IPV4)) ||
7105 (!rss_inner && (items & MLX5_FLOW_LAYER_OUTER_L3_IPV4))) {
7106 if (rss_types & MLX5_IPV4_LAYER_TYPES) {
7107 if (rss_types & ETH_RSS_L3_SRC_ONLY)
7108 dev_flow->hash_fields |= IBV_RX_HASH_SRC_IPV4;
7109 else if (rss_types & ETH_RSS_L3_DST_ONLY)
7110 dev_flow->hash_fields |= IBV_RX_HASH_DST_IPV4;
7112 dev_flow->hash_fields |= MLX5_IPV4_IBV_RX_HASH;
7114 } else if ((rss_inner && (items & MLX5_FLOW_LAYER_INNER_L3_IPV6)) ||
7115 (!rss_inner && (items & MLX5_FLOW_LAYER_OUTER_L3_IPV6))) {
7116 if (rss_types & MLX5_IPV6_LAYER_TYPES) {
7117 if (rss_types & ETH_RSS_L3_SRC_ONLY)
7118 dev_flow->hash_fields |= IBV_RX_HASH_SRC_IPV6;
7119 else if (rss_types & ETH_RSS_L3_DST_ONLY)
7120 dev_flow->hash_fields |= IBV_RX_HASH_DST_IPV6;
7122 dev_flow->hash_fields |= MLX5_IPV6_IBV_RX_HASH;
7125 if ((rss_inner && (items & MLX5_FLOW_LAYER_INNER_L4_UDP)) ||
7126 (!rss_inner && (items & MLX5_FLOW_LAYER_OUTER_L4_UDP))) {
7127 if (rss_types & ETH_RSS_UDP) {
7128 if (rss_types & ETH_RSS_L4_SRC_ONLY)
7129 dev_flow->hash_fields |=
7130 IBV_RX_HASH_SRC_PORT_UDP;
7131 else if (rss_types & ETH_RSS_L4_DST_ONLY)
7132 dev_flow->hash_fields |=
7133 IBV_RX_HASH_DST_PORT_UDP;
7135 dev_flow->hash_fields |= MLX5_UDP_IBV_RX_HASH;
7137 } else if ((rss_inner && (items & MLX5_FLOW_LAYER_INNER_L4_TCP)) ||
7138 (!rss_inner && (items & MLX5_FLOW_LAYER_OUTER_L4_TCP))) {
7139 if (rss_types & ETH_RSS_TCP) {
7140 if (rss_types & ETH_RSS_L4_SRC_ONLY)
7141 dev_flow->hash_fields |=
7142 IBV_RX_HASH_SRC_PORT_TCP;
7143 else if (rss_types & ETH_RSS_L4_DST_ONLY)
7144 dev_flow->hash_fields |=
7145 IBV_RX_HASH_DST_PORT_TCP;
7147 dev_flow->hash_fields |= MLX5_TCP_IBV_RX_HASH;
7153 * Fill the flow with DV spec, lock free
7154 * (mutex should be acquired by caller).
7157 * Pointer to rte_eth_dev structure.
7158 * @param[in, out] dev_flow
7159 * Pointer to the sub flow.
7161 * Pointer to the flow attributes.
7163 * Pointer to the list of items.
7164 * @param[in] actions
7165 * Pointer to the list of actions.
7167 * Pointer to the error structure.
7170 * 0 on success, a negative errno value otherwise and rte_errno is set.
7173 __flow_dv_translate(struct rte_eth_dev *dev,
7174 struct mlx5_flow *dev_flow,
7175 const struct rte_flow_attr *attr,
7176 const struct rte_flow_item items[],
7177 const struct rte_flow_action actions[],
7178 struct rte_flow_error *error)
7180 struct mlx5_priv *priv = dev->data->dev_private;
7181 struct mlx5_dev_config *dev_conf = &priv->config;
7182 struct rte_flow *flow = dev_flow->flow;
7183 uint64_t item_flags = 0;
7184 uint64_t last_item = 0;
7185 uint64_t action_flags = 0;
7186 uint64_t priority = attr->priority;
7187 struct mlx5_flow_dv_matcher matcher = {
7189 .size = sizeof(matcher.mask.buf),
7193 bool actions_end = false;
7195 struct mlx5_flow_dv_modify_hdr_resource res;
7196 uint8_t len[sizeof(struct mlx5_flow_dv_modify_hdr_resource) +
7197 sizeof(struct mlx5_modification_cmd) *
7198 (MLX5_MAX_MODIFY_NUM + 1)];
7200 struct mlx5_flow_dv_modify_hdr_resource *mhdr_res = &mhdr_dummy.res;
7201 union flow_dv_attr flow_attr = { .attr = 0 };
7203 union mlx5_flow_tbl_key tbl_key;
7204 uint32_t modify_action_position = UINT32_MAX;
7205 void *match_mask = matcher.mask.buf;
7206 void *match_value = dev_flow->dv.value.buf;
7207 uint8_t next_protocol = 0xff;
7208 struct rte_vlan_hdr vlan = { 0 };
7212 mhdr_res->ft_type = attr->egress ? MLX5DV_FLOW_TABLE_TYPE_NIC_TX :
7213 MLX5DV_FLOW_TABLE_TYPE_NIC_RX;
7214 ret = mlx5_flow_group_to_table(attr, dev_flow->external, attr->group,
7215 !!priv->fdb_def_rule, &table, error);
7218 dev_flow->group = table;
7220 mhdr_res->ft_type = MLX5DV_FLOW_TABLE_TYPE_FDB;
7221 if (priority == MLX5_FLOW_PRIO_RSVD)
7222 priority = dev_conf->flow_prio - 1;
7223 /* number of actions must be set to 0 in case of dirty stack. */
7224 mhdr_res->actions_num = 0;
7225 for (; !actions_end ; actions++) {
7226 const struct rte_flow_action_queue *queue;
7227 const struct rte_flow_action_rss *rss;
7228 const struct rte_flow_action *action = actions;
7229 const struct rte_flow_action_count *count = action->conf;
7230 const uint8_t *rss_key;
7231 const struct rte_flow_action_jump *jump_data;
7232 const struct rte_flow_action_meter *mtr;
7233 struct mlx5_flow_tbl_resource *tbl;
7234 uint32_t port_id = 0;
7235 struct mlx5_flow_dv_port_id_action_resource port_id_resource;
7236 int action_type = actions->type;
7237 const struct rte_flow_action *found_action = NULL;
7239 switch (action_type) {
7240 case RTE_FLOW_ACTION_TYPE_VOID:
7242 case RTE_FLOW_ACTION_TYPE_PORT_ID:
7243 if (flow_dv_translate_action_port_id(dev, action,
7246 port_id_resource.port_id = port_id;
7247 if (flow_dv_port_id_action_resource_register
7248 (dev, &port_id_resource, dev_flow, error))
7250 dev_flow->dv.actions[actions_n++] =
7251 dev_flow->dv.port_id_action->action;
7252 action_flags |= MLX5_FLOW_ACTION_PORT_ID;
7254 case RTE_FLOW_ACTION_TYPE_FLAG:
7255 action_flags |= MLX5_FLOW_ACTION_FLAG;
7256 if (dev_conf->dv_xmeta_en != MLX5_XMETA_MODE_LEGACY) {
7257 struct rte_flow_action_mark mark = {
7258 .id = MLX5_FLOW_MARK_DEFAULT,
7261 if (flow_dv_convert_action_mark(dev, &mark,
7265 action_flags |= MLX5_FLOW_ACTION_MARK_EXT;
7268 tag_be = mlx5_flow_mark_set(MLX5_FLOW_MARK_DEFAULT);
7269 if (!dev_flow->dv.tag_resource)
7270 if (flow_dv_tag_resource_register
7271 (dev, tag_be, dev_flow, error))
7273 dev_flow->dv.actions[actions_n++] =
7274 dev_flow->dv.tag_resource->action;
7276 case RTE_FLOW_ACTION_TYPE_MARK:
7277 action_flags |= MLX5_FLOW_ACTION_MARK;
7278 if (dev_conf->dv_xmeta_en != MLX5_XMETA_MODE_LEGACY) {
7279 const struct rte_flow_action_mark *mark =
7280 (const struct rte_flow_action_mark *)
7283 if (flow_dv_convert_action_mark(dev, mark,
7287 action_flags |= MLX5_FLOW_ACTION_MARK_EXT;
7291 case MLX5_RTE_FLOW_ACTION_TYPE_MARK:
7292 /* Legacy (non-extensive) MARK action. */
7293 tag_be = mlx5_flow_mark_set
7294 (((const struct rte_flow_action_mark *)
7295 (actions->conf))->id);
7296 if (!dev_flow->dv.tag_resource)
7297 if (flow_dv_tag_resource_register
7298 (dev, tag_be, dev_flow, error))
7300 dev_flow->dv.actions[actions_n++] =
7301 dev_flow->dv.tag_resource->action;
7303 case RTE_FLOW_ACTION_TYPE_SET_META:
7304 if (flow_dv_convert_action_set_meta
7305 (dev, mhdr_res, attr,
7306 (const struct rte_flow_action_set_meta *)
7307 actions->conf, error))
7309 action_flags |= MLX5_FLOW_ACTION_SET_META;
7311 case RTE_FLOW_ACTION_TYPE_SET_TAG:
7312 if (flow_dv_convert_action_set_tag
7314 (const struct rte_flow_action_set_tag *)
7315 actions->conf, error))
7317 action_flags |= MLX5_FLOW_ACTION_SET_TAG;
7319 case RTE_FLOW_ACTION_TYPE_DROP:
7320 action_flags |= MLX5_FLOW_ACTION_DROP;
7322 case RTE_FLOW_ACTION_TYPE_QUEUE:
7323 MLX5_ASSERT(flow->rss.queue);
7324 queue = actions->conf;
7325 flow->rss.queue_num = 1;
7326 (*flow->rss.queue)[0] = queue->index;
7327 action_flags |= MLX5_FLOW_ACTION_QUEUE;
7329 case RTE_FLOW_ACTION_TYPE_RSS:
7330 MLX5_ASSERT(flow->rss.queue);
7331 rss = actions->conf;
7332 if (flow->rss.queue)
7333 memcpy((*flow->rss.queue), rss->queue,
7334 rss->queue_num * sizeof(uint16_t));
7335 flow->rss.queue_num = rss->queue_num;
7336 /* NULL RSS key indicates default RSS key. */
7337 rss_key = !rss->key ? rss_hash_default_key : rss->key;
7338 memcpy(flow->rss.key, rss_key, MLX5_RSS_HASH_KEY_LEN);
7340 * rss->level and rss.types should be set in advance
7341 * when expanding items for RSS.
7343 action_flags |= MLX5_FLOW_ACTION_RSS;
7345 case RTE_FLOW_ACTION_TYPE_COUNT:
7346 if (!dev_conf->devx) {
7347 rte_errno = ENOTSUP;
7350 flow->counter = flow_dv_counter_alloc(dev,
7354 if (flow->counter == NULL)
7356 dev_flow->dv.actions[actions_n++] =
7357 flow->counter->action;
7358 action_flags |= MLX5_FLOW_ACTION_COUNT;
7361 if (rte_errno == ENOTSUP)
7362 return rte_flow_error_set
7364 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
7366 "count action not supported");
7368 return rte_flow_error_set
7370 RTE_FLOW_ERROR_TYPE_ACTION,
7372 "cannot create counter"
7375 case RTE_FLOW_ACTION_TYPE_OF_POP_VLAN:
7376 dev_flow->dv.actions[actions_n++] =
7377 priv->sh->pop_vlan_action;
7378 action_flags |= MLX5_FLOW_ACTION_OF_POP_VLAN;
7380 case RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN:
7381 flow_dev_get_vlan_info_from_items(items, &vlan);
7382 vlan.eth_proto = rte_be_to_cpu_16
7383 ((((const struct rte_flow_action_of_push_vlan *)
7384 actions->conf)->ethertype));
7385 found_action = mlx5_flow_find_action
7387 RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID);
7389 mlx5_update_vlan_vid_pcp(found_action, &vlan);
7390 found_action = mlx5_flow_find_action
7392 RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_PCP);
7394 mlx5_update_vlan_vid_pcp(found_action, &vlan);
7395 if (flow_dv_create_action_push_vlan
7396 (dev, attr, &vlan, dev_flow, error))
7398 dev_flow->dv.actions[actions_n++] =
7399 dev_flow->dv.push_vlan_res->action;
7400 action_flags |= MLX5_FLOW_ACTION_OF_PUSH_VLAN;
7402 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_PCP:
7403 /* of_vlan_push action handled this action */
7404 MLX5_ASSERT(action_flags &
7405 MLX5_FLOW_ACTION_OF_PUSH_VLAN);
7407 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID:
7408 if (action_flags & MLX5_FLOW_ACTION_OF_PUSH_VLAN)
7410 flow_dev_get_vlan_info_from_items(items, &vlan);
7411 mlx5_update_vlan_vid_pcp(actions, &vlan);
7412 /* If no VLAN push - this is a modify header action */
7413 if (flow_dv_convert_action_modify_vlan_vid
7414 (mhdr_res, actions, error))
7416 action_flags |= MLX5_FLOW_ACTION_OF_SET_VLAN_VID;
7418 case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
7419 case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP:
7420 if (flow_dv_create_action_l2_encap(dev, actions,
7425 dev_flow->dv.actions[actions_n++] =
7426 dev_flow->dv.encap_decap->verbs_action;
7427 action_flags |= MLX5_FLOW_ACTION_ENCAP;
7429 case RTE_FLOW_ACTION_TYPE_VXLAN_DECAP:
7430 case RTE_FLOW_ACTION_TYPE_NVGRE_DECAP:
7431 if (flow_dv_create_action_l2_decap(dev, dev_flow,
7435 dev_flow->dv.actions[actions_n++] =
7436 dev_flow->dv.encap_decap->verbs_action;
7437 action_flags |= MLX5_FLOW_ACTION_DECAP;
7439 case RTE_FLOW_ACTION_TYPE_RAW_ENCAP:
7440 /* Handle encap with preceding decap. */
7441 if (action_flags & MLX5_FLOW_ACTION_DECAP) {
7442 if (flow_dv_create_action_raw_encap
7443 (dev, actions, dev_flow, attr, error))
7445 dev_flow->dv.actions[actions_n++] =
7446 dev_flow->dv.encap_decap->verbs_action;
7448 /* Handle encap without preceding decap. */
7449 if (flow_dv_create_action_l2_encap
7450 (dev, actions, dev_flow, attr->transfer,
7453 dev_flow->dv.actions[actions_n++] =
7454 dev_flow->dv.encap_decap->verbs_action;
7456 action_flags |= MLX5_FLOW_ACTION_ENCAP;
7458 case RTE_FLOW_ACTION_TYPE_RAW_DECAP:
7459 while ((++action)->type == RTE_FLOW_ACTION_TYPE_VOID)
7461 if (action->type != RTE_FLOW_ACTION_TYPE_RAW_ENCAP) {
7462 if (flow_dv_create_action_l2_decap
7463 (dev, dev_flow, attr->transfer, error))
7465 dev_flow->dv.actions[actions_n++] =
7466 dev_flow->dv.encap_decap->verbs_action;
7468 /* If decap is followed by encap, handle it at encap. */
7469 action_flags |= MLX5_FLOW_ACTION_DECAP;
7471 case RTE_FLOW_ACTION_TYPE_JUMP:
7472 jump_data = action->conf;
7473 ret = mlx5_flow_group_to_table(attr, dev_flow->external,
7475 !!priv->fdb_def_rule,
7479 tbl = flow_dv_tbl_resource_get(dev, table,
7481 attr->transfer, error);
7483 return rte_flow_error_set
7485 RTE_FLOW_ERROR_TYPE_ACTION,
7487 "cannot create jump action.");
7488 if (flow_dv_jump_tbl_resource_register
7489 (dev, tbl, dev_flow, error)) {
7490 flow_dv_tbl_resource_release(dev, tbl);
7491 return rte_flow_error_set
7493 RTE_FLOW_ERROR_TYPE_ACTION,
7495 "cannot create jump action.");
7497 dev_flow->dv.actions[actions_n++] =
7498 dev_flow->dv.jump->action;
7499 action_flags |= MLX5_FLOW_ACTION_JUMP;
7501 case RTE_FLOW_ACTION_TYPE_SET_MAC_SRC:
7502 case RTE_FLOW_ACTION_TYPE_SET_MAC_DST:
7503 if (flow_dv_convert_action_modify_mac
7504 (mhdr_res, actions, error))
7506 action_flags |= actions->type ==
7507 RTE_FLOW_ACTION_TYPE_SET_MAC_SRC ?
7508 MLX5_FLOW_ACTION_SET_MAC_SRC :
7509 MLX5_FLOW_ACTION_SET_MAC_DST;
7511 case RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC:
7512 case RTE_FLOW_ACTION_TYPE_SET_IPV4_DST:
7513 if (flow_dv_convert_action_modify_ipv4
7514 (mhdr_res, actions, error))
7516 action_flags |= actions->type ==
7517 RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC ?
7518 MLX5_FLOW_ACTION_SET_IPV4_SRC :
7519 MLX5_FLOW_ACTION_SET_IPV4_DST;
7521 case RTE_FLOW_ACTION_TYPE_SET_IPV6_SRC:
7522 case RTE_FLOW_ACTION_TYPE_SET_IPV6_DST:
7523 if (flow_dv_convert_action_modify_ipv6
7524 (mhdr_res, actions, error))
7526 action_flags |= actions->type ==
7527 RTE_FLOW_ACTION_TYPE_SET_IPV6_SRC ?
7528 MLX5_FLOW_ACTION_SET_IPV6_SRC :
7529 MLX5_FLOW_ACTION_SET_IPV6_DST;
7531 case RTE_FLOW_ACTION_TYPE_SET_TP_SRC:
7532 case RTE_FLOW_ACTION_TYPE_SET_TP_DST:
7533 if (flow_dv_convert_action_modify_tp
7534 (mhdr_res, actions, items,
7535 &flow_attr, dev_flow, !!(action_flags &
7536 MLX5_FLOW_ACTION_DECAP), error))
7538 action_flags |= actions->type ==
7539 RTE_FLOW_ACTION_TYPE_SET_TP_SRC ?
7540 MLX5_FLOW_ACTION_SET_TP_SRC :
7541 MLX5_FLOW_ACTION_SET_TP_DST;
7543 case RTE_FLOW_ACTION_TYPE_DEC_TTL:
7544 if (flow_dv_convert_action_modify_dec_ttl
7545 (mhdr_res, items, &flow_attr, dev_flow,
7547 MLX5_FLOW_ACTION_DECAP), error))
7549 action_flags |= MLX5_FLOW_ACTION_DEC_TTL;
7551 case RTE_FLOW_ACTION_TYPE_SET_TTL:
7552 if (flow_dv_convert_action_modify_ttl
7553 (mhdr_res, actions, items, &flow_attr,
7554 dev_flow, !!(action_flags &
7555 MLX5_FLOW_ACTION_DECAP), error))
7557 action_flags |= MLX5_FLOW_ACTION_SET_TTL;
7559 case RTE_FLOW_ACTION_TYPE_INC_TCP_SEQ:
7560 case RTE_FLOW_ACTION_TYPE_DEC_TCP_SEQ:
7561 if (flow_dv_convert_action_modify_tcp_seq
7562 (mhdr_res, actions, error))
7564 action_flags |= actions->type ==
7565 RTE_FLOW_ACTION_TYPE_INC_TCP_SEQ ?
7566 MLX5_FLOW_ACTION_INC_TCP_SEQ :
7567 MLX5_FLOW_ACTION_DEC_TCP_SEQ;
7570 case RTE_FLOW_ACTION_TYPE_INC_TCP_ACK:
7571 case RTE_FLOW_ACTION_TYPE_DEC_TCP_ACK:
7572 if (flow_dv_convert_action_modify_tcp_ack
7573 (mhdr_res, actions, error))
7575 action_flags |= actions->type ==
7576 RTE_FLOW_ACTION_TYPE_INC_TCP_ACK ?
7577 MLX5_FLOW_ACTION_INC_TCP_ACK :
7578 MLX5_FLOW_ACTION_DEC_TCP_ACK;
7580 case MLX5_RTE_FLOW_ACTION_TYPE_TAG:
7581 if (flow_dv_convert_action_set_reg
7582 (mhdr_res, actions, error))
7584 action_flags |= MLX5_FLOW_ACTION_SET_TAG;
7586 case MLX5_RTE_FLOW_ACTION_TYPE_COPY_MREG:
7587 if (flow_dv_convert_action_copy_mreg
7588 (dev, mhdr_res, actions, error))
7590 action_flags |= MLX5_FLOW_ACTION_SET_TAG;
7592 case RTE_FLOW_ACTION_TYPE_METER:
7593 mtr = actions->conf;
7595 flow->meter = mlx5_flow_meter_attach(priv,
7599 return rte_flow_error_set(error,
7601 RTE_FLOW_ERROR_TYPE_ACTION,
7604 "or invalid parameters");
7606 /* Set the meter action. */
7607 dev_flow->dv.actions[actions_n++] =
7608 flow->meter->mfts->meter_action;
7609 action_flags |= MLX5_FLOW_ACTION_METER;
7611 case RTE_FLOW_ACTION_TYPE_SET_IPV4_DSCP:
7612 if (flow_dv_convert_action_modify_ipv4_dscp(mhdr_res,
7615 action_flags |= MLX5_FLOW_ACTION_SET_IPV4_DSCP;
7617 case RTE_FLOW_ACTION_TYPE_SET_IPV6_DSCP:
7618 if (flow_dv_convert_action_modify_ipv6_dscp(mhdr_res,
7621 action_flags |= MLX5_FLOW_ACTION_SET_IPV6_DSCP;
7623 case RTE_FLOW_ACTION_TYPE_END:
7625 if (mhdr_res->actions_num) {
7626 /* create modify action if needed. */
7627 if (flow_dv_modify_hdr_resource_register
7628 (dev, mhdr_res, dev_flow, error))
7630 dev_flow->dv.actions[modify_action_position] =
7631 dev_flow->dv.modify_hdr->verbs_action;
7637 if (mhdr_res->actions_num &&
7638 modify_action_position == UINT32_MAX)
7639 modify_action_position = actions_n++;
7641 dev_flow->dv.actions_n = actions_n;
7642 dev_flow->actions = action_flags;
7643 for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
7644 int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
7645 int item_type = items->type;
7647 switch (item_type) {
7648 case RTE_FLOW_ITEM_TYPE_PORT_ID:
7649 flow_dv_translate_item_port_id(dev, match_mask,
7650 match_value, items);
7651 last_item = MLX5_FLOW_ITEM_PORT_ID;
7653 case RTE_FLOW_ITEM_TYPE_ETH:
7654 flow_dv_translate_item_eth(match_mask, match_value,
7656 matcher.priority = MLX5_PRIORITY_MAP_L2;
7657 last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L2 :
7658 MLX5_FLOW_LAYER_OUTER_L2;
7660 case RTE_FLOW_ITEM_TYPE_VLAN:
7661 flow_dv_translate_item_vlan(dev_flow,
7662 match_mask, match_value,
7664 matcher.priority = MLX5_PRIORITY_MAP_L2;
7665 last_item = tunnel ? (MLX5_FLOW_LAYER_INNER_L2 |
7666 MLX5_FLOW_LAYER_INNER_VLAN) :
7667 (MLX5_FLOW_LAYER_OUTER_L2 |
7668 MLX5_FLOW_LAYER_OUTER_VLAN);
7670 case RTE_FLOW_ITEM_TYPE_IPV4:
7671 mlx5_flow_tunnel_ip_check(items, next_protocol,
7672 &item_flags, &tunnel);
7673 flow_dv_translate_item_ipv4(match_mask, match_value,
7676 matcher.priority = MLX5_PRIORITY_MAP_L3;
7677 last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV4 :
7678 MLX5_FLOW_LAYER_OUTER_L3_IPV4;
7679 if (items->mask != NULL &&
7680 ((const struct rte_flow_item_ipv4 *)
7681 items->mask)->hdr.next_proto_id) {
7683 ((const struct rte_flow_item_ipv4 *)
7684 (items->spec))->hdr.next_proto_id;
7686 ((const struct rte_flow_item_ipv4 *)
7687 (items->mask))->hdr.next_proto_id;
7689 /* Reset for inner layer. */
7690 next_protocol = 0xff;
7693 case RTE_FLOW_ITEM_TYPE_IPV6:
7694 mlx5_flow_tunnel_ip_check(items, next_protocol,
7695 &item_flags, &tunnel);
7696 flow_dv_translate_item_ipv6(match_mask, match_value,
7699 matcher.priority = MLX5_PRIORITY_MAP_L3;
7700 last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV6 :
7701 MLX5_FLOW_LAYER_OUTER_L3_IPV6;
7702 if (items->mask != NULL &&
7703 ((const struct rte_flow_item_ipv6 *)
7704 items->mask)->hdr.proto) {
7706 ((const struct rte_flow_item_ipv6 *)
7707 items->spec)->hdr.proto;
7709 ((const struct rte_flow_item_ipv6 *)
7710 items->mask)->hdr.proto;
7712 /* Reset for inner layer. */
7713 next_protocol = 0xff;
7716 case RTE_FLOW_ITEM_TYPE_TCP:
7717 flow_dv_translate_item_tcp(match_mask, match_value,
7719 matcher.priority = MLX5_PRIORITY_MAP_L4;
7720 last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L4_TCP :
7721 MLX5_FLOW_LAYER_OUTER_L4_TCP;
7723 case RTE_FLOW_ITEM_TYPE_UDP:
7724 flow_dv_translate_item_udp(match_mask, match_value,
7726 matcher.priority = MLX5_PRIORITY_MAP_L4;
7727 last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L4_UDP :
7728 MLX5_FLOW_LAYER_OUTER_L4_UDP;
7730 case RTE_FLOW_ITEM_TYPE_GRE:
7731 flow_dv_translate_item_gre(match_mask, match_value,
7733 matcher.priority = flow->rss.level >= 2 ?
7734 MLX5_PRIORITY_MAP_L2 : MLX5_PRIORITY_MAP_L4;
7735 last_item = MLX5_FLOW_LAYER_GRE;
7737 case RTE_FLOW_ITEM_TYPE_GRE_KEY:
7738 flow_dv_translate_item_gre_key(match_mask,
7739 match_value, items);
7740 last_item = MLX5_FLOW_LAYER_GRE_KEY;
7742 case RTE_FLOW_ITEM_TYPE_NVGRE:
7743 flow_dv_translate_item_nvgre(match_mask, match_value,
7745 matcher.priority = flow->rss.level >= 2 ?
7746 MLX5_PRIORITY_MAP_L2 : MLX5_PRIORITY_MAP_L4;
7747 last_item = MLX5_FLOW_LAYER_GRE;
7749 case RTE_FLOW_ITEM_TYPE_VXLAN:
7750 flow_dv_translate_item_vxlan(match_mask, match_value,
7752 matcher.priority = flow->rss.level >= 2 ?
7753 MLX5_PRIORITY_MAP_L2 : MLX5_PRIORITY_MAP_L4;
7754 last_item = MLX5_FLOW_LAYER_VXLAN;
7756 case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
7757 flow_dv_translate_item_vxlan_gpe(match_mask,
7760 matcher.priority = flow->rss.level >= 2 ?
7761 MLX5_PRIORITY_MAP_L2 : MLX5_PRIORITY_MAP_L4;
7762 last_item = MLX5_FLOW_LAYER_VXLAN_GPE;
7764 case RTE_FLOW_ITEM_TYPE_GENEVE:
7765 flow_dv_translate_item_geneve(match_mask, match_value,
7767 matcher.priority = flow->rss.level >= 2 ?
7768 MLX5_PRIORITY_MAP_L2 : MLX5_PRIORITY_MAP_L4;
7769 last_item = MLX5_FLOW_LAYER_GENEVE;
7771 case RTE_FLOW_ITEM_TYPE_MPLS:
7772 flow_dv_translate_item_mpls(match_mask, match_value,
7773 items, last_item, tunnel);
7774 matcher.priority = flow->rss.level >= 2 ?
7775 MLX5_PRIORITY_MAP_L2 : MLX5_PRIORITY_MAP_L4;
7776 last_item = MLX5_FLOW_LAYER_MPLS;
7778 case RTE_FLOW_ITEM_TYPE_MARK:
7779 flow_dv_translate_item_mark(dev, match_mask,
7780 match_value, items);
7781 last_item = MLX5_FLOW_ITEM_MARK;
7783 case RTE_FLOW_ITEM_TYPE_META:
7784 flow_dv_translate_item_meta(dev, match_mask,
7785 match_value, attr, items);
7786 last_item = MLX5_FLOW_ITEM_METADATA;
7788 case RTE_FLOW_ITEM_TYPE_ICMP:
7789 flow_dv_translate_item_icmp(match_mask, match_value,
7791 last_item = MLX5_FLOW_LAYER_ICMP;
7793 case RTE_FLOW_ITEM_TYPE_ICMP6:
7794 flow_dv_translate_item_icmp6(match_mask, match_value,
7796 last_item = MLX5_FLOW_LAYER_ICMP6;
7798 case RTE_FLOW_ITEM_TYPE_TAG:
7799 flow_dv_translate_item_tag(dev, match_mask,
7800 match_value, items);
7801 last_item = MLX5_FLOW_ITEM_TAG;
7803 case MLX5_RTE_FLOW_ITEM_TYPE_TAG:
7804 flow_dv_translate_mlx5_item_tag(dev, match_mask,
7805 match_value, items);
7806 last_item = MLX5_FLOW_ITEM_TAG;
7808 case MLX5_RTE_FLOW_ITEM_TYPE_TX_QUEUE:
7809 flow_dv_translate_item_tx_queue(dev, match_mask,
7812 last_item = MLX5_FLOW_ITEM_TX_QUEUE;
7814 case RTE_FLOW_ITEM_TYPE_GTP:
7815 flow_dv_translate_item_gtp(match_mask, match_value,
7817 matcher.priority = flow->rss.level >= 2 ?
7818 MLX5_PRIORITY_MAP_L2 : MLX5_PRIORITY_MAP_L4;
7819 last_item = MLX5_FLOW_LAYER_GTP;
7824 item_flags |= last_item;
7827 * When E-Switch mode is enabled, we have two cases where we need to
7828 * set the source port manually.
7829 * The first one, is in case of Nic steering rule, and the second is
7830 * E-Switch rule where no port_id item was found. In both cases
7831 * the source port is set according the current port in use.
7833 if (!(item_flags & MLX5_FLOW_ITEM_PORT_ID) &&
7834 (priv->representor || priv->master)) {
7835 if (flow_dv_translate_item_port_id(dev, match_mask,
7839 #ifdef RTE_LIBRTE_MLX5_DEBUG
7840 MLX5_ASSERT(!flow_dv_check_valid_spec(matcher.mask.buf,
7841 dev_flow->dv.value.buf));
7844 * Layers may be already initialized from prefix flow if this dev_flow
7845 * is the suffix flow.
7847 dev_flow->layers |= item_flags;
7848 if (action_flags & MLX5_FLOW_ACTION_RSS)
7849 flow_dv_hashfields_set(dev_flow);
7850 /* Register matcher. */
7851 matcher.crc = rte_raw_cksum((const void *)matcher.mask.buf,
7853 matcher.priority = mlx5_flow_adjust_priority(dev, priority,
7855 /* reserved field no needs to be set to 0 here. */
7856 tbl_key.domain = attr->transfer;
7857 tbl_key.direction = attr->egress;
7858 tbl_key.table_id = dev_flow->group;
7859 if (flow_dv_matcher_register(dev, &matcher, &tbl_key, dev_flow, error))
7865 * Apply the flow to the NIC, lock free,
7866 * (mutex should be acquired by caller).
7869 * Pointer to the Ethernet device structure.
7870 * @param[in, out] flow
7871 * Pointer to flow structure.
7873 * Pointer to error structure.
7876 * 0 on success, a negative errno value otherwise and rte_errno is set.
7879 __flow_dv_apply(struct rte_eth_dev *dev, struct rte_flow *flow,
7880 struct rte_flow_error *error)
7882 struct mlx5_flow_dv *dv;
7883 struct mlx5_flow *dev_flow;
7884 struct mlx5_priv *priv = dev->data->dev_private;
7888 LIST_FOREACH(dev_flow, &flow->dev_flows, next) {
7891 if (dev_flow->actions & MLX5_FLOW_ACTION_DROP) {
7892 if (dev_flow->transfer) {
7893 dv->actions[n++] = priv->sh->esw_drop_action;
7895 dv->hrxq = mlx5_hrxq_drop_new(dev);
7899 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
7901 "cannot get drop hash queue");
7904 dv->actions[n++] = dv->hrxq->action;
7906 } else if (dev_flow->actions &
7907 (MLX5_FLOW_ACTION_QUEUE | MLX5_FLOW_ACTION_RSS)) {
7908 struct mlx5_hrxq *hrxq;
7910 MLX5_ASSERT(flow->rss.queue);
7911 hrxq = mlx5_hrxq_get(dev, flow->rss.key,
7912 MLX5_RSS_HASH_KEY_LEN,
7913 dev_flow->hash_fields,
7915 flow->rss.queue_num);
7917 hrxq = mlx5_hrxq_new
7918 (dev, flow->rss.key,
7919 MLX5_RSS_HASH_KEY_LEN,
7920 dev_flow->hash_fields,
7922 flow->rss.queue_num,
7923 !!(dev_flow->layers &
7924 MLX5_FLOW_LAYER_TUNNEL));
7929 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
7930 "cannot get hash queue");
7934 dv->actions[n++] = dv->hrxq->action;
7937 mlx5_glue->dv_create_flow(dv->matcher->matcher_object,
7938 (void *)&dv->value, n,
7941 rte_flow_error_set(error, errno,
7942 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
7944 "hardware refuses to create flow");
7947 if (priv->vmwa_context &&
7948 dev_flow->dv.vf_vlan.tag &&
7949 !dev_flow->dv.vf_vlan.created) {
7951 * The rule contains the VLAN pattern.
7952 * For VF we are going to create VLAN
7953 * interface to make hypervisor set correct
7954 * e-Switch vport context.
7956 mlx5_vlan_vmwa_acquire(dev, &dev_flow->dv.vf_vlan);
7961 err = rte_errno; /* Save rte_errno before cleanup. */
7962 LIST_FOREACH(dev_flow, &flow->dev_flows, next) {
7963 struct mlx5_flow_dv *dv = &dev_flow->dv;
7965 if (dev_flow->actions & MLX5_FLOW_ACTION_DROP)
7966 mlx5_hrxq_drop_release(dev);
7968 mlx5_hrxq_release(dev, dv->hrxq);
7971 if (dev_flow->dv.vf_vlan.tag &&
7972 dev_flow->dv.vf_vlan.created)
7973 mlx5_vlan_vmwa_release(dev, &dev_flow->dv.vf_vlan);
7975 rte_errno = err; /* Restore rte_errno. */
7980 * Release the flow matcher.
7983 * Pointer to Ethernet device.
7985 * Pointer to mlx5_flow.
7988 * 1 while a reference on it exists, 0 when freed.
7991 flow_dv_matcher_release(struct rte_eth_dev *dev,
7992 struct mlx5_flow *flow)
7994 struct mlx5_flow_dv_matcher *matcher = flow->dv.matcher;
7996 MLX5_ASSERT(matcher->matcher_object);
7997 DRV_LOG(DEBUG, "port %u matcher %p: refcnt %d--",
7998 dev->data->port_id, (void *)matcher,
7999 rte_atomic32_read(&matcher->refcnt));
8000 if (rte_atomic32_dec_and_test(&matcher->refcnt)) {
8001 claim_zero(mlx5_glue->dv_destroy_flow_matcher
8002 (matcher->matcher_object));
8003 LIST_REMOVE(matcher, next);
8004 /* table ref-- in release interface. */
8005 flow_dv_tbl_resource_release(dev, matcher->tbl);
8007 DRV_LOG(DEBUG, "port %u matcher %p: removed",
8008 dev->data->port_id, (void *)matcher);
8015 * Release an encap/decap resource.
8018 * Pointer to mlx5_flow.
8021 * 1 while a reference on it exists, 0 when freed.
8024 flow_dv_encap_decap_resource_release(struct mlx5_flow *flow)
8026 struct mlx5_flow_dv_encap_decap_resource *cache_resource =
8027 flow->dv.encap_decap;
8029 MLX5_ASSERT(cache_resource->verbs_action);
8030 DRV_LOG(DEBUG, "encap/decap resource %p: refcnt %d--",
8031 (void *)cache_resource,
8032 rte_atomic32_read(&cache_resource->refcnt));
8033 if (rte_atomic32_dec_and_test(&cache_resource->refcnt)) {
8034 claim_zero(mlx5_glue->destroy_flow_action
8035 (cache_resource->verbs_action));
8036 LIST_REMOVE(cache_resource, next);
8037 rte_free(cache_resource);
8038 DRV_LOG(DEBUG, "encap/decap resource %p: removed",
8039 (void *)cache_resource);
8046 * Release an jump to table action resource.
8049 * Pointer to Ethernet device.
8051 * Pointer to mlx5_flow.
8054 * 1 while a reference on it exists, 0 when freed.
8057 flow_dv_jump_tbl_resource_release(struct rte_eth_dev *dev,
8058 struct mlx5_flow *flow)
8060 struct mlx5_flow_dv_jump_tbl_resource *cache_resource = flow->dv.jump;
8061 struct mlx5_flow_tbl_data_entry *tbl_data =
8062 container_of(cache_resource,
8063 struct mlx5_flow_tbl_data_entry, jump);
8065 MLX5_ASSERT(cache_resource->action);
8066 DRV_LOG(DEBUG, "jump table resource %p: refcnt %d--",
8067 (void *)cache_resource,
8068 rte_atomic32_read(&cache_resource->refcnt));
8069 if (rte_atomic32_dec_and_test(&cache_resource->refcnt)) {
8070 claim_zero(mlx5_glue->destroy_flow_action
8071 (cache_resource->action));
8072 /* jump action memory free is inside the table release. */
8073 flow_dv_tbl_resource_release(dev, &tbl_data->tbl);
8074 DRV_LOG(DEBUG, "jump table resource %p: removed",
8075 (void *)cache_resource);
8082 * Release a modify-header resource.
8085 * Pointer to mlx5_flow.
8088 * 1 while a reference on it exists, 0 when freed.
8091 flow_dv_modify_hdr_resource_release(struct mlx5_flow *flow)
8093 struct mlx5_flow_dv_modify_hdr_resource *cache_resource =
8094 flow->dv.modify_hdr;
8096 MLX5_ASSERT(cache_resource->verbs_action);
8097 DRV_LOG(DEBUG, "modify-header resource %p: refcnt %d--",
8098 (void *)cache_resource,
8099 rte_atomic32_read(&cache_resource->refcnt));
8100 if (rte_atomic32_dec_and_test(&cache_resource->refcnt)) {
8101 claim_zero(mlx5_glue->destroy_flow_action
8102 (cache_resource->verbs_action));
8103 LIST_REMOVE(cache_resource, next);
8104 rte_free(cache_resource);
8105 DRV_LOG(DEBUG, "modify-header resource %p: removed",
8106 (void *)cache_resource);
8113 * Release port ID action resource.
8116 * Pointer to mlx5_flow.
8119 * 1 while a reference on it exists, 0 when freed.
8122 flow_dv_port_id_action_resource_release(struct mlx5_flow *flow)
8124 struct mlx5_flow_dv_port_id_action_resource *cache_resource =
8125 flow->dv.port_id_action;
8127 MLX5_ASSERT(cache_resource->action);
8128 DRV_LOG(DEBUG, "port ID action resource %p: refcnt %d--",
8129 (void *)cache_resource,
8130 rte_atomic32_read(&cache_resource->refcnt));
8131 if (rte_atomic32_dec_and_test(&cache_resource->refcnt)) {
8132 claim_zero(mlx5_glue->destroy_flow_action
8133 (cache_resource->action));
8134 LIST_REMOVE(cache_resource, next);
8135 rte_free(cache_resource);
8136 DRV_LOG(DEBUG, "port id action resource %p: removed",
8137 (void *)cache_resource);
8144 * Release push vlan action resource.
8147 * Pointer to mlx5_flow.
8150 * 1 while a reference on it exists, 0 when freed.
8153 flow_dv_push_vlan_action_resource_release(struct mlx5_flow *flow)
8155 struct mlx5_flow_dv_push_vlan_action_resource *cache_resource =
8156 flow->dv.push_vlan_res;
8158 MLX5_ASSERT(cache_resource->action);
8159 DRV_LOG(DEBUG, "push VLAN action resource %p: refcnt %d--",
8160 (void *)cache_resource,
8161 rte_atomic32_read(&cache_resource->refcnt));
8162 if (rte_atomic32_dec_and_test(&cache_resource->refcnt)) {
8163 claim_zero(mlx5_glue->destroy_flow_action
8164 (cache_resource->action));
8165 LIST_REMOVE(cache_resource, next);
8166 rte_free(cache_resource);
8167 DRV_LOG(DEBUG, "push vlan action resource %p: removed",
8168 (void *)cache_resource);
8175 * Remove the flow from the NIC but keeps it in memory.
8176 * Lock free, (mutex should be acquired by caller).
8179 * Pointer to Ethernet device.
8180 * @param[in, out] flow
8181 * Pointer to flow structure.
8184 __flow_dv_remove(struct rte_eth_dev *dev, struct rte_flow *flow)
8186 struct mlx5_flow_dv *dv;
8187 struct mlx5_flow *dev_flow;
8191 LIST_FOREACH(dev_flow, &flow->dev_flows, next) {
8194 claim_zero(mlx5_glue->dv_destroy_flow(dv->flow));
8198 if (dev_flow->actions & MLX5_FLOW_ACTION_DROP)
8199 mlx5_hrxq_drop_release(dev);
8201 mlx5_hrxq_release(dev, dv->hrxq);
8204 if (dev_flow->dv.vf_vlan.tag &&
8205 dev_flow->dv.vf_vlan.created)
8206 mlx5_vlan_vmwa_release(dev, &dev_flow->dv.vf_vlan);
8211 * Remove the flow from the NIC and the memory.
8212 * Lock free, (mutex should be acquired by caller).
8215 * Pointer to the Ethernet device structure.
8216 * @param[in, out] flow
8217 * Pointer to flow structure.
8220 __flow_dv_destroy(struct rte_eth_dev *dev, struct rte_flow *flow)
8222 struct mlx5_flow *dev_flow;
8226 __flow_dv_remove(dev, flow);
8227 if (flow->counter) {
8228 flow_dv_counter_release(dev, flow->counter);
8229 flow->counter = NULL;
8232 mlx5_flow_meter_detach(flow->meter);
8235 while (!LIST_EMPTY(&flow->dev_flows)) {
8236 dev_flow = LIST_FIRST(&flow->dev_flows);
8237 LIST_REMOVE(dev_flow, next);
8238 if (dev_flow->dv.matcher)
8239 flow_dv_matcher_release(dev, dev_flow);
8240 if (dev_flow->dv.encap_decap)
8241 flow_dv_encap_decap_resource_release(dev_flow);
8242 if (dev_flow->dv.modify_hdr)
8243 flow_dv_modify_hdr_resource_release(dev_flow);
8244 if (dev_flow->dv.jump)
8245 flow_dv_jump_tbl_resource_release(dev, dev_flow);
8246 if (dev_flow->dv.port_id_action)
8247 flow_dv_port_id_action_resource_release(dev_flow);
8248 if (dev_flow->dv.push_vlan_res)
8249 flow_dv_push_vlan_action_resource_release(dev_flow);
8250 if (dev_flow->dv.tag_resource)
8251 flow_dv_tag_release(dev, dev_flow->dv.tag_resource);
8257 * Query a dv flow rule for its statistics via devx.
8260 * Pointer to Ethernet device.
8262 * Pointer to the sub flow.
8264 * data retrieved by the query.
8266 * Perform verbose error reporting if not NULL.
8269 * 0 on success, a negative errno value otherwise and rte_errno is set.
8272 flow_dv_query_count(struct rte_eth_dev *dev, struct rte_flow *flow,
8273 void *data, struct rte_flow_error *error)
8275 struct mlx5_priv *priv = dev->data->dev_private;
8276 struct rte_flow_query_count *qc = data;
8278 if (!priv->config.devx)
8279 return rte_flow_error_set(error, ENOTSUP,
8280 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
8282 "counters are not supported");
8283 if (flow->counter) {
8284 uint64_t pkts, bytes;
8285 int err = _flow_dv_query_count(dev, flow->counter, &pkts,
8289 return rte_flow_error_set(error, -err,
8290 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
8291 NULL, "cannot read counters");
8294 qc->hits = pkts - flow->counter->hits;
8295 qc->bytes = bytes - flow->counter->bytes;
8297 flow->counter->hits = pkts;
8298 flow->counter->bytes = bytes;
8302 return rte_flow_error_set(error, EINVAL,
8303 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
8305 "counters are not available");
8311 * @see rte_flow_query()
8315 flow_dv_query(struct rte_eth_dev *dev,
8316 struct rte_flow *flow __rte_unused,
8317 const struct rte_flow_action *actions __rte_unused,
8318 void *data __rte_unused,
8319 struct rte_flow_error *error __rte_unused)
8323 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
8324 switch (actions->type) {
8325 case RTE_FLOW_ACTION_TYPE_VOID:
8327 case RTE_FLOW_ACTION_TYPE_COUNT:
8328 ret = flow_dv_query_count(dev, flow, data, error);
8331 return rte_flow_error_set(error, ENOTSUP,
8332 RTE_FLOW_ERROR_TYPE_ACTION,
8334 "action not supported");
8341 * Destroy the meter table set.
8342 * Lock free, (mutex should be acquired by caller).
8345 * Pointer to Ethernet device.
8347 * Pointer to the meter table set.
8353 flow_dv_destroy_mtr_tbl(struct rte_eth_dev *dev,
8354 struct mlx5_meter_domains_infos *tbl)
8356 struct mlx5_priv *priv = dev->data->dev_private;
8357 struct mlx5_meter_domains_infos *mtd =
8358 (struct mlx5_meter_domains_infos *)tbl;
8360 if (!mtd || !priv->config.dv_flow_en)
8362 if (mtd->ingress.policer_rules[RTE_MTR_DROPPED])
8363 claim_zero(mlx5_glue->dv_destroy_flow
8364 (mtd->ingress.policer_rules[RTE_MTR_DROPPED]));
8365 if (mtd->egress.policer_rules[RTE_MTR_DROPPED])
8366 claim_zero(mlx5_glue->dv_destroy_flow
8367 (mtd->egress.policer_rules[RTE_MTR_DROPPED]));
8368 if (mtd->transfer.policer_rules[RTE_MTR_DROPPED])
8369 claim_zero(mlx5_glue->dv_destroy_flow
8370 (mtd->transfer.policer_rules[RTE_MTR_DROPPED]));
8371 if (mtd->egress.color_matcher)
8372 claim_zero(mlx5_glue->dv_destroy_flow_matcher
8373 (mtd->egress.color_matcher));
8374 if (mtd->egress.any_matcher)
8375 claim_zero(mlx5_glue->dv_destroy_flow_matcher
8376 (mtd->egress.any_matcher));
8377 if (mtd->egress.tbl)
8378 claim_zero(flow_dv_tbl_resource_release(dev,
8380 if (mtd->ingress.color_matcher)
8381 claim_zero(mlx5_glue->dv_destroy_flow_matcher
8382 (mtd->ingress.color_matcher));
8383 if (mtd->ingress.any_matcher)
8384 claim_zero(mlx5_glue->dv_destroy_flow_matcher
8385 (mtd->ingress.any_matcher));
8386 if (mtd->ingress.tbl)
8387 claim_zero(flow_dv_tbl_resource_release(dev,
8389 if (mtd->transfer.color_matcher)
8390 claim_zero(mlx5_glue->dv_destroy_flow_matcher
8391 (mtd->transfer.color_matcher));
8392 if (mtd->transfer.any_matcher)
8393 claim_zero(mlx5_glue->dv_destroy_flow_matcher
8394 (mtd->transfer.any_matcher));
8395 if (mtd->transfer.tbl)
8396 claim_zero(flow_dv_tbl_resource_release(dev,
8397 mtd->transfer.tbl));
8399 claim_zero(mlx5_glue->destroy_flow_action(mtd->drop_actn));
8404 /* Number of meter flow actions, count and jump or count and drop. */
8405 #define METER_ACTIONS 2
8408 * Create specify domain meter table and suffix table.
8411 * Pointer to Ethernet device.
8412 * @param[in,out] mtb
8413 * Pointer to DV meter table set.
8416 * @param[in] transfer
8418 * @param[in] color_reg_c_idx
8419 * Reg C index for color match.
8422 * 0 on success, -1 otherwise and rte_errno is set.
8425 flow_dv_prepare_mtr_tables(struct rte_eth_dev *dev,
8426 struct mlx5_meter_domains_infos *mtb,
8427 uint8_t egress, uint8_t transfer,
8428 uint32_t color_reg_c_idx)
8430 struct mlx5_priv *priv = dev->data->dev_private;
8431 struct mlx5_ibv_shared *sh = priv->sh;
8432 struct mlx5_flow_dv_match_params mask = {
8433 .size = sizeof(mask.buf),
8435 struct mlx5_flow_dv_match_params value = {
8436 .size = sizeof(value.buf),
8438 struct mlx5dv_flow_matcher_attr dv_attr = {
8439 .type = IBV_FLOW_ATTR_NORMAL,
8441 .match_criteria_enable = 0,
8442 .match_mask = (void *)&mask,
8444 void *actions[METER_ACTIONS];
8445 struct mlx5_flow_tbl_resource **sfx_tbl;
8446 struct mlx5_meter_domain_info *dtb;
8447 struct rte_flow_error error;
8451 sfx_tbl = &sh->fdb_mtr_sfx_tbl;
8452 dtb = &mtb->transfer;
8453 } else if (egress) {
8454 sfx_tbl = &sh->tx_mtr_sfx_tbl;
8457 sfx_tbl = &sh->rx_mtr_sfx_tbl;
8458 dtb = &mtb->ingress;
8460 /* If the suffix table in missing, create it. */
8462 *sfx_tbl = flow_dv_tbl_resource_get(dev,
8463 MLX5_FLOW_TABLE_LEVEL_SUFFIX,
8464 egress, transfer, &error);
8466 DRV_LOG(ERR, "Failed to create meter suffix table.");
8470 /* Create the meter table with METER level. */
8471 dtb->tbl = flow_dv_tbl_resource_get(dev, MLX5_FLOW_TABLE_LEVEL_METER,
8472 egress, transfer, &error);
8474 DRV_LOG(ERR, "Failed to create meter policer table.");
8477 /* Create matchers, Any and Color. */
8478 dv_attr.priority = 3;
8479 dv_attr.match_criteria_enable = 0;
8480 dtb->any_matcher = mlx5_glue->dv_create_flow_matcher(sh->ctx,
8483 if (!dtb->any_matcher) {
8484 DRV_LOG(ERR, "Failed to create meter"
8485 " policer default matcher.");
8488 dv_attr.priority = 0;
8489 dv_attr.match_criteria_enable =
8490 1 << MLX5_MATCH_CRITERIA_ENABLE_MISC2_BIT;
8491 flow_dv_match_meta_reg(mask.buf, value.buf, color_reg_c_idx,
8492 rte_col_2_mlx5_col(RTE_COLORS), UINT8_MAX);
8493 dtb->color_matcher = mlx5_glue->dv_create_flow_matcher(sh->ctx,
8496 if (!dtb->color_matcher) {
8497 DRV_LOG(ERR, "Failed to create meter policer color matcher.");
8500 if (mtb->count_actns[RTE_MTR_DROPPED])
8501 actions[i++] = mtb->count_actns[RTE_MTR_DROPPED];
8502 actions[i++] = mtb->drop_actn;
8503 /* Default rule: lowest priority, match any, actions: drop. */
8504 dtb->policer_rules[RTE_MTR_DROPPED] =
8505 mlx5_glue->dv_create_flow(dtb->any_matcher,
8506 (void *)&value, i, actions);
8507 if (!dtb->policer_rules[RTE_MTR_DROPPED]) {
8508 DRV_LOG(ERR, "Failed to create meter policer drop rule.");
8517 * Create the needed meter and suffix tables.
8518 * Lock free, (mutex should be acquired by caller).
8521 * Pointer to Ethernet device.
8523 * Pointer to the flow meter.
8526 * Pointer to table set on success, NULL otherwise and rte_errno is set.
8528 static struct mlx5_meter_domains_infos *
8529 flow_dv_create_mtr_tbl(struct rte_eth_dev *dev,
8530 const struct mlx5_flow_meter *fm)
8532 struct mlx5_priv *priv = dev->data->dev_private;
8533 struct mlx5_meter_domains_infos *mtb;
8537 if (!priv->mtr_en) {
8538 rte_errno = ENOTSUP;
8541 mtb = rte_calloc(__func__, 1, sizeof(*mtb), 0);
8543 DRV_LOG(ERR, "Failed to allocate memory for meter.");
8546 /* Create meter count actions */
8547 for (i = 0; i <= RTE_MTR_DROPPED; i++) {
8548 if (!fm->policer_stats.cnt[i])
8550 mtb->count_actns[i] = fm->policer_stats.cnt[i]->action;
8552 /* Create drop action. */
8553 mtb->drop_actn = mlx5_glue->dr_create_flow_action_drop();
8554 if (!mtb->drop_actn) {
8555 DRV_LOG(ERR, "Failed to create drop action.");
8558 /* Egress meter table. */
8559 ret = flow_dv_prepare_mtr_tables(dev, mtb, 1, 0, priv->mtr_color_reg);
8561 DRV_LOG(ERR, "Failed to prepare egress meter table.");
8564 /* Ingress meter table. */
8565 ret = flow_dv_prepare_mtr_tables(dev, mtb, 0, 0, priv->mtr_color_reg);
8567 DRV_LOG(ERR, "Failed to prepare ingress meter table.");
8570 /* FDB meter table. */
8571 if (priv->config.dv_esw_en) {
8572 ret = flow_dv_prepare_mtr_tables(dev, mtb, 0, 1,
8573 priv->mtr_color_reg);
8575 DRV_LOG(ERR, "Failed to prepare fdb meter table.");
8581 flow_dv_destroy_mtr_tbl(dev, mtb);
8586 * Destroy domain policer rule.
8589 * Pointer to domain table.
8592 flow_dv_destroy_domain_policer_rule(struct mlx5_meter_domain_info *dt)
8596 for (i = 0; i < RTE_MTR_DROPPED; i++) {
8597 if (dt->policer_rules[i]) {
8598 claim_zero(mlx5_glue->dv_destroy_flow
8599 (dt->policer_rules[i]));
8600 dt->policer_rules[i] = NULL;
8603 if (dt->jump_actn) {
8604 claim_zero(mlx5_glue->destroy_flow_action(dt->jump_actn));
8605 dt->jump_actn = NULL;
8610 * Destroy policer rules.
8613 * Pointer to Ethernet device.
8615 * Pointer to flow meter structure.
8617 * Pointer to flow attributes.
8623 flow_dv_destroy_policer_rules(struct rte_eth_dev *dev __rte_unused,
8624 const struct mlx5_flow_meter *fm,
8625 const struct rte_flow_attr *attr)
8627 struct mlx5_meter_domains_infos *mtb = fm ? fm->mfts : NULL;
8632 flow_dv_destroy_domain_policer_rule(&mtb->egress);
8634 flow_dv_destroy_domain_policer_rule(&mtb->ingress);
8636 flow_dv_destroy_domain_policer_rule(&mtb->transfer);
8641 * Create specify domain meter policer rule.
8644 * Pointer to flow meter structure.
8646 * Pointer to DV meter table set.
8648 * Pointer to suffix table.
8649 * @param[in] mtr_reg_c
8650 * Color match REG_C.
8653 * 0 on success, -1 otherwise.
8656 flow_dv_create_policer_forward_rule(struct mlx5_flow_meter *fm,
8657 struct mlx5_meter_domain_info *dtb,
8658 struct mlx5_flow_tbl_resource *sfx_tb,
8661 struct mlx5_flow_dv_match_params matcher = {
8662 .size = sizeof(matcher.buf),
8664 struct mlx5_flow_dv_match_params value = {
8665 .size = sizeof(value.buf),
8667 struct mlx5_meter_domains_infos *mtb = fm->mfts;
8668 void *actions[METER_ACTIONS];
8671 /* Create jump action. */
8674 if (!dtb->jump_actn)
8676 mlx5_glue->dr_create_flow_action_dest_flow_tbl
8678 if (!dtb->jump_actn) {
8679 DRV_LOG(ERR, "Failed to create policer jump action.");
8682 for (i = 0; i < RTE_MTR_DROPPED; i++) {
8685 flow_dv_match_meta_reg(matcher.buf, value.buf, mtr_reg_c,
8686 rte_col_2_mlx5_col(i), UINT8_MAX);
8687 if (mtb->count_actns[i])
8688 actions[j++] = mtb->count_actns[i];
8689 if (fm->params.action[i] == MTR_POLICER_ACTION_DROP)
8690 actions[j++] = mtb->drop_actn;
8692 actions[j++] = dtb->jump_actn;
8693 dtb->policer_rules[i] =
8694 mlx5_glue->dv_create_flow(dtb->color_matcher,
8697 if (!dtb->policer_rules[i]) {
8698 DRV_LOG(ERR, "Failed to create policer rule.");
8709 * Create policer rules.
8712 * Pointer to Ethernet device.
8714 * Pointer to flow meter structure.
8716 * Pointer to flow attributes.
8719 * 0 on success, -1 otherwise.
8722 flow_dv_create_policer_rules(struct rte_eth_dev *dev,
8723 struct mlx5_flow_meter *fm,
8724 const struct rte_flow_attr *attr)
8726 struct mlx5_priv *priv = dev->data->dev_private;
8727 struct mlx5_meter_domains_infos *mtb = fm->mfts;
8731 ret = flow_dv_create_policer_forward_rule(fm, &mtb->egress,
8732 priv->sh->tx_mtr_sfx_tbl,
8733 priv->mtr_color_reg);
8735 DRV_LOG(ERR, "Failed to create egress policer.");
8739 if (attr->ingress) {
8740 ret = flow_dv_create_policer_forward_rule(fm, &mtb->ingress,
8741 priv->sh->rx_mtr_sfx_tbl,
8742 priv->mtr_color_reg);
8744 DRV_LOG(ERR, "Failed to create ingress policer.");
8748 if (attr->transfer) {
8749 ret = flow_dv_create_policer_forward_rule(fm, &mtb->transfer,
8750 priv->sh->fdb_mtr_sfx_tbl,
8751 priv->mtr_color_reg);
8753 DRV_LOG(ERR, "Failed to create transfer policer.");
8759 flow_dv_destroy_policer_rules(dev, fm, attr);
8764 * Query a devx counter.
8767 * Pointer to the Ethernet device structure.
8769 * Pointer to the flow counter.
8771 * Set to clear the counter statistics.
8773 * The statistics value of packets.
8775 * The statistics value of bytes.
8778 * 0 on success, otherwise return -1.
8781 flow_dv_counter_query(struct rte_eth_dev *dev,
8782 struct mlx5_flow_counter *cnt, bool clear,
8783 uint64_t *pkts, uint64_t *bytes)
8785 struct mlx5_priv *priv = dev->data->dev_private;
8786 uint64_t inn_pkts, inn_bytes;
8789 if (!priv->config.devx)
8791 ret = _flow_dv_query_count(dev, cnt, &inn_pkts, &inn_bytes);
8794 *pkts = inn_pkts - cnt->hits;
8795 *bytes = inn_bytes - cnt->bytes;
8797 cnt->hits = inn_pkts;
8798 cnt->bytes = inn_bytes;
8804 * Mutex-protected thunk to lock-free __flow_dv_translate().
8807 flow_dv_translate(struct rte_eth_dev *dev,
8808 struct mlx5_flow *dev_flow,
8809 const struct rte_flow_attr *attr,
8810 const struct rte_flow_item items[],
8811 const struct rte_flow_action actions[],
8812 struct rte_flow_error *error)
8816 flow_dv_shared_lock(dev);
8817 ret = __flow_dv_translate(dev, dev_flow, attr, items, actions, error);
8818 flow_dv_shared_unlock(dev);
8823 * Mutex-protected thunk to lock-free __flow_dv_apply().
8826 flow_dv_apply(struct rte_eth_dev *dev,
8827 struct rte_flow *flow,
8828 struct rte_flow_error *error)
8832 flow_dv_shared_lock(dev);
8833 ret = __flow_dv_apply(dev, flow, error);
8834 flow_dv_shared_unlock(dev);
8839 * Mutex-protected thunk to lock-free __flow_dv_remove().
8842 flow_dv_remove(struct rte_eth_dev *dev, struct rte_flow *flow)
8844 flow_dv_shared_lock(dev);
8845 __flow_dv_remove(dev, flow);
8846 flow_dv_shared_unlock(dev);
8850 * Mutex-protected thunk to lock-free __flow_dv_destroy().
8853 flow_dv_destroy(struct rte_eth_dev *dev, struct rte_flow *flow)
8855 flow_dv_shared_lock(dev);
8856 __flow_dv_destroy(dev, flow);
8857 flow_dv_shared_unlock(dev);
8861 * Mutex-protected thunk to lock-free flow_dv_counter_alloc().
8863 static struct mlx5_flow_counter *
8864 flow_dv_counter_allocate(struct rte_eth_dev *dev)
8866 struct mlx5_flow_counter *cnt;
8868 flow_dv_shared_lock(dev);
8869 cnt = flow_dv_counter_alloc(dev, 0, 0, 1);
8870 flow_dv_shared_unlock(dev);
8875 * Mutex-protected thunk to lock-free flow_dv_counter_release().
8878 flow_dv_counter_free(struct rte_eth_dev *dev, struct mlx5_flow_counter *cnt)
8880 flow_dv_shared_lock(dev);
8881 flow_dv_counter_release(dev, cnt);
8882 flow_dv_shared_unlock(dev);
8885 const struct mlx5_flow_driver_ops mlx5_flow_dv_drv_ops = {
8886 .validate = flow_dv_validate,
8887 .prepare = flow_dv_prepare,
8888 .translate = flow_dv_translate,
8889 .apply = flow_dv_apply,
8890 .remove = flow_dv_remove,
8891 .destroy = flow_dv_destroy,
8892 .query = flow_dv_query,
8893 .create_mtr_tbls = flow_dv_create_mtr_tbl,
8894 .destroy_mtr_tbls = flow_dv_destroy_mtr_tbl,
8895 .create_policer_rules = flow_dv_create_policer_rules,
8896 .destroy_policer_rules = flow_dv_destroy_policer_rules,
8897 .counter_alloc = flow_dv_counter_allocate,
8898 .counter_free = flow_dv_counter_free,
8899 .counter_query = flow_dv_counter_query,
8902 #endif /* HAVE_IBV_FLOW_DV_SUPPORT */