1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright 2016 6WIND S.A.
3 * Copyright 2016 Mellanox Technologies, Ltd
10 #include <sys/queue.h>
12 #include <rte_common.h>
13 #include <rte_ether.h>
14 #include <ethdev_driver.h>
15 #include <rte_eal_paging.h>
17 #include <rte_cycles.h>
18 #include <rte_flow_driver.h>
19 #include <rte_malloc.h>
22 #include <mlx5_glue.h>
23 #include <mlx5_devx_cmds.h>
25 #include <mlx5_malloc.h>
27 #include "mlx5_defs.h"
29 #include "mlx5_flow.h"
30 #include "mlx5_flow_os.h"
33 #include "mlx5_common_os.h"
34 #include "rte_pmd_mlx5.h"
36 struct tunnel_default_miss_ctx {
40 struct rte_flow_action_rss action_rss;
41 struct rte_flow_action_queue miss_queue;
42 struct rte_flow_action_jump miss_jump;
48 flow_tunnel_add_default_miss(struct rte_eth_dev *dev,
49 struct rte_flow *flow,
50 const struct rte_flow_attr *attr,
51 const struct rte_flow_action *app_actions,
53 const struct mlx5_flow_tunnel *tunnel,
54 struct tunnel_default_miss_ctx *ctx,
55 struct rte_flow_error *error);
56 static struct mlx5_flow_tunnel *
57 mlx5_find_tunnel_id(struct rte_eth_dev *dev, uint32_t id);
59 mlx5_flow_tunnel_free(struct rte_eth_dev *dev, struct mlx5_flow_tunnel *tunnel);
61 tunnel_flow_group_to_flow_table(struct rte_eth_dev *dev,
62 const struct mlx5_flow_tunnel *tunnel,
63 uint32_t group, uint32_t *table,
64 struct rte_flow_error *error);
66 static struct mlx5_flow_workspace *mlx5_flow_push_thread_workspace(void);
67 static void mlx5_flow_pop_thread_workspace(void);
70 /** Device flow drivers. */
71 extern const struct mlx5_flow_driver_ops mlx5_flow_verbs_drv_ops;
73 const struct mlx5_flow_driver_ops mlx5_flow_null_drv_ops;
75 const struct mlx5_flow_driver_ops *flow_drv_ops[] = {
76 [MLX5_FLOW_TYPE_MIN] = &mlx5_flow_null_drv_ops,
77 #if defined(HAVE_IBV_FLOW_DV_SUPPORT) || !defined(HAVE_INFINIBAND_VERBS_H)
78 [MLX5_FLOW_TYPE_DV] = &mlx5_flow_dv_drv_ops,
80 [MLX5_FLOW_TYPE_VERBS] = &mlx5_flow_verbs_drv_ops,
81 [MLX5_FLOW_TYPE_MAX] = &mlx5_flow_null_drv_ops
84 /** Helper macro to build input graph for mlx5_flow_expand_rss(). */
85 #define MLX5_FLOW_EXPAND_RSS_NEXT(...) \
90 /** Node object of input graph for mlx5_flow_expand_rss(). */
91 struct mlx5_flow_expand_node {
92 const int *const next;
94 * List of next node indexes. Index 0 is interpreted as a terminator.
96 const enum rte_flow_item_type type;
97 /**< Pattern item type of current node. */
100 * RSS types bit-field associated with this node
101 * (see RTE_ETH_RSS_* definitions).
105 * Bit-fields that define how the node is used in the expansion.
106 * (see MLX5_EXPANSION_NODE_* definitions).
110 /* Optional expand field. The expansion alg will not go deeper. */
111 #define MLX5_EXPANSION_NODE_OPTIONAL (UINT64_C(1) << 0)
113 /* The node is not added implicitly as expansion to the flow pattern.
114 * If the node type does not match the flow pattern item type, the
115 * expansion alg will go deeper to its next items.
116 * In the current implementation, the list of next nodes indexes can
117 * have up to one node with this flag set and it has to be the last
118 * node index (before the list terminator).
120 #define MLX5_EXPANSION_NODE_EXPLICIT (UINT64_C(1) << 1)
122 /** Object returned by mlx5_flow_expand_rss(). */
123 struct mlx5_flow_expand_rss {
125 /**< Number of entries @p patterns and @p priorities. */
127 struct rte_flow_item *pattern; /**< Expanded pattern array. */
128 uint32_t priority; /**< Priority offset for each expansion. */
133 mlx5_dbg__print_pattern(const struct rte_flow_item *item);
135 static const struct mlx5_flow_expand_node *
136 mlx5_flow_expand_rss_adjust_node(const struct rte_flow_item *pattern,
137 unsigned int item_idx,
138 const struct mlx5_flow_expand_node graph[],
139 const struct mlx5_flow_expand_node *node);
142 mlx5_flow_is_rss_expandable_item(const struct rte_flow_item *item)
144 switch (item->type) {
145 case RTE_FLOW_ITEM_TYPE_ETH:
146 case RTE_FLOW_ITEM_TYPE_VLAN:
147 case RTE_FLOW_ITEM_TYPE_IPV4:
148 case RTE_FLOW_ITEM_TYPE_IPV6:
149 case RTE_FLOW_ITEM_TYPE_UDP:
150 case RTE_FLOW_ITEM_TYPE_TCP:
151 case RTE_FLOW_ITEM_TYPE_VXLAN:
152 case RTE_FLOW_ITEM_TYPE_NVGRE:
153 case RTE_FLOW_ITEM_TYPE_GRE:
154 case RTE_FLOW_ITEM_TYPE_GENEVE:
155 case RTE_FLOW_ITEM_TYPE_MPLS:
156 case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
157 case RTE_FLOW_ITEM_TYPE_GRE_KEY:
158 case RTE_FLOW_ITEM_TYPE_IPV6_FRAG_EXT:
159 case RTE_FLOW_ITEM_TYPE_GTP:
167 static enum rte_flow_item_type
168 mlx5_flow_expand_rss_item_complete(const struct rte_flow_item *item)
170 enum rte_flow_item_type ret = RTE_FLOW_ITEM_TYPE_VOID;
171 uint16_t ether_type = 0;
172 uint16_t ether_type_m;
173 uint8_t ip_next_proto = 0;
174 uint8_t ip_next_proto_m;
176 if (item == NULL || item->spec == NULL)
178 switch (item->type) {
179 case RTE_FLOW_ITEM_TYPE_ETH:
181 ether_type_m = ((const struct rte_flow_item_eth *)
184 ether_type_m = rte_flow_item_eth_mask.type;
185 if (ether_type_m != RTE_BE16(0xFFFF))
187 ether_type = ((const struct rte_flow_item_eth *)
189 if (rte_be_to_cpu_16(ether_type) == RTE_ETHER_TYPE_IPV4)
190 ret = RTE_FLOW_ITEM_TYPE_IPV4;
191 else if (rte_be_to_cpu_16(ether_type) == RTE_ETHER_TYPE_IPV6)
192 ret = RTE_FLOW_ITEM_TYPE_IPV6;
193 else if (rte_be_to_cpu_16(ether_type) == RTE_ETHER_TYPE_VLAN)
194 ret = RTE_FLOW_ITEM_TYPE_VLAN;
196 ret = RTE_FLOW_ITEM_TYPE_END;
198 case RTE_FLOW_ITEM_TYPE_VLAN:
200 ether_type_m = ((const struct rte_flow_item_vlan *)
201 (item->mask))->inner_type;
203 ether_type_m = rte_flow_item_vlan_mask.inner_type;
204 if (ether_type_m != RTE_BE16(0xFFFF))
206 ether_type = ((const struct rte_flow_item_vlan *)
207 (item->spec))->inner_type;
208 if (rte_be_to_cpu_16(ether_type) == RTE_ETHER_TYPE_IPV4)
209 ret = RTE_FLOW_ITEM_TYPE_IPV4;
210 else if (rte_be_to_cpu_16(ether_type) == RTE_ETHER_TYPE_IPV6)
211 ret = RTE_FLOW_ITEM_TYPE_IPV6;
212 else if (rte_be_to_cpu_16(ether_type) == RTE_ETHER_TYPE_VLAN)
213 ret = RTE_FLOW_ITEM_TYPE_VLAN;
215 ret = RTE_FLOW_ITEM_TYPE_END;
217 case RTE_FLOW_ITEM_TYPE_IPV4:
219 ip_next_proto_m = ((const struct rte_flow_item_ipv4 *)
220 (item->mask))->hdr.next_proto_id;
223 rte_flow_item_ipv4_mask.hdr.next_proto_id;
224 if (ip_next_proto_m != 0xFF)
226 ip_next_proto = ((const struct rte_flow_item_ipv4 *)
227 (item->spec))->hdr.next_proto_id;
228 if (ip_next_proto == IPPROTO_UDP)
229 ret = RTE_FLOW_ITEM_TYPE_UDP;
230 else if (ip_next_proto == IPPROTO_TCP)
231 ret = RTE_FLOW_ITEM_TYPE_TCP;
232 else if (ip_next_proto == IPPROTO_IP)
233 ret = RTE_FLOW_ITEM_TYPE_IPV4;
234 else if (ip_next_proto == IPPROTO_IPV6)
235 ret = RTE_FLOW_ITEM_TYPE_IPV6;
237 ret = RTE_FLOW_ITEM_TYPE_END;
239 case RTE_FLOW_ITEM_TYPE_IPV6:
241 ip_next_proto_m = ((const struct rte_flow_item_ipv6 *)
242 (item->mask))->hdr.proto;
245 rte_flow_item_ipv6_mask.hdr.proto;
246 if (ip_next_proto_m != 0xFF)
248 ip_next_proto = ((const struct rte_flow_item_ipv6 *)
249 (item->spec))->hdr.proto;
250 if (ip_next_proto == IPPROTO_UDP)
251 ret = RTE_FLOW_ITEM_TYPE_UDP;
252 else if (ip_next_proto == IPPROTO_TCP)
253 ret = RTE_FLOW_ITEM_TYPE_TCP;
254 else if (ip_next_proto == IPPROTO_IP)
255 ret = RTE_FLOW_ITEM_TYPE_IPV4;
256 else if (ip_next_proto == IPPROTO_IPV6)
257 ret = RTE_FLOW_ITEM_TYPE_IPV6;
259 ret = RTE_FLOW_ITEM_TYPE_END;
262 ret = RTE_FLOW_ITEM_TYPE_VOID;
269 mlx5_flow_expand_rss_skip_explicit(const struct mlx5_flow_expand_node graph[],
270 const int *next_node)
272 const struct mlx5_flow_expand_node *node = NULL;
273 const int *next = next_node;
275 while (next && *next) {
277 * Skip the nodes with the MLX5_EXPANSION_NODE_EXPLICIT
278 * flag set, because they were not found in the flow pattern.
280 node = &graph[*next];
281 if (!(node->node_flags & MLX5_EXPANSION_NODE_EXPLICIT))
288 #define MLX5_RSS_EXP_ELT_N 16
291 * Expand RSS flows into several possible flows according to the RSS hash
292 * fields requested and the driver capabilities.
295 * Buffer to store the result expansion.
297 * Buffer size in bytes. If 0, @p buf can be NULL.
301 * RSS types to expand (see RTE_ETH_RSS_* definitions).
303 * Input graph to expand @p pattern according to @p types.
304 * @param[in] graph_root_index
305 * Index of root node in @p graph, typically 0.
308 * A positive value representing the size of @p buf in bytes regardless of
309 * @p size on success, a negative errno value otherwise and rte_errno is
310 * set, the following errors are defined:
312 * -E2BIG: graph-depth @p graph is too deep.
313 * -EINVAL: @p size has not enough space for expanded pattern.
316 mlx5_flow_expand_rss(struct mlx5_flow_expand_rss *buf, size_t size,
317 const struct rte_flow_item *pattern, uint64_t types,
318 const struct mlx5_flow_expand_node graph[],
319 int graph_root_index)
321 const struct rte_flow_item *item;
322 const struct mlx5_flow_expand_node *node = &graph[graph_root_index];
323 const int *next_node;
324 const int *stack[MLX5_RSS_EXP_ELT_N];
326 struct rte_flow_item flow_items[MLX5_RSS_EXP_ELT_N];
327 unsigned int i, item_idx, last_expand_item_idx = 0;
329 size_t user_pattern_size = 0;
331 const struct mlx5_flow_expand_node *next = NULL;
332 struct rte_flow_item missed_item;
335 const struct rte_flow_item *last_expand_item = NULL;
337 memset(&missed_item, 0, sizeof(missed_item));
338 lsize = offsetof(struct mlx5_flow_expand_rss, entry) +
339 MLX5_RSS_EXP_ELT_N * sizeof(buf->entry[0]);
342 buf->entry[0].priority = 0;
343 buf->entry[0].pattern = (void *)&buf->entry[MLX5_RSS_EXP_ELT_N];
345 addr = buf->entry[0].pattern;
346 for (item = pattern, item_idx = 0;
347 item->type != RTE_FLOW_ITEM_TYPE_END;
348 item++, item_idx++) {
349 if (!mlx5_flow_is_rss_expandable_item(item)) {
350 user_pattern_size += sizeof(*item);
353 last_expand_item = item;
354 last_expand_item_idx = item_idx;
356 while (node->next && node->next[i]) {
357 next = &graph[node->next[i]];
358 if (next->type == item->type)
360 if (next->node_flags & MLX5_EXPANSION_NODE_EXPLICIT) {
369 user_pattern_size += sizeof(*item);
371 user_pattern_size += sizeof(*item); /* Handle END item. */
372 lsize += user_pattern_size;
375 /* Copy the user pattern in the first entry of the buffer. */
376 rte_memcpy(addr, pattern, user_pattern_size);
377 addr = (void *)(((uintptr_t)addr) + user_pattern_size);
379 /* Start expanding. */
380 memset(flow_items, 0, sizeof(flow_items));
381 user_pattern_size -= sizeof(*item);
383 * Check if the last valid item has spec set, need complete pattern,
384 * and the pattern can be used for expansion.
386 missed_item.type = mlx5_flow_expand_rss_item_complete(last_expand_item);
387 if (missed_item.type == RTE_FLOW_ITEM_TYPE_END) {
388 /* Item type END indicates expansion is not required. */
391 if (missed_item.type != RTE_FLOW_ITEM_TYPE_VOID) {
395 while (node->next && node->next[i]) {
396 next = &graph[node->next[i]];
397 if (next->type == missed_item.type) {
398 flow_items[0].type = missed_item.type;
399 flow_items[1].type = RTE_FLOW_ITEM_TYPE_END;
402 if (next->node_flags & MLX5_EXPANSION_NODE_EXPLICIT) {
411 if (next && missed) {
412 elt = 2; /* missed item + item end. */
414 lsize += elt * sizeof(*item) + user_pattern_size;
417 if (node->rss_types & types) {
418 buf->entry[buf->entries].priority = 1;
419 buf->entry[buf->entries].pattern = addr;
421 rte_memcpy(addr, buf->entry[0].pattern,
423 addr = (void *)(((uintptr_t)addr) + user_pattern_size);
424 rte_memcpy(addr, flow_items, elt * sizeof(*item));
425 addr = (void *)(((uintptr_t)addr) +
426 elt * sizeof(*item));
428 } else if (last_expand_item != NULL) {
429 node = mlx5_flow_expand_rss_adjust_node(pattern,
430 last_expand_item_idx, graph, node);
432 memset(flow_items, 0, sizeof(flow_items));
433 next_node = mlx5_flow_expand_rss_skip_explicit(graph,
435 stack[stack_pos] = next_node;
436 node = next_node ? &graph[*next_node] : NULL;
438 flow_items[stack_pos].type = node->type;
439 if (node->rss_types & types) {
442 * compute the number of items to copy from the
443 * expansion and copy it.
444 * When the stack_pos is 0, there are 1 element in it,
445 * plus the addition END item.
448 flow_items[stack_pos + 1].type = RTE_FLOW_ITEM_TYPE_END;
449 lsize += elt * sizeof(*item) + user_pattern_size;
452 n = elt * sizeof(*item);
453 buf->entry[buf->entries].priority =
454 stack_pos + 1 + missed;
455 buf->entry[buf->entries].pattern = addr;
457 rte_memcpy(addr, buf->entry[0].pattern,
459 addr = (void *)(((uintptr_t)addr) +
461 rte_memcpy(addr, &missed_item,
462 missed * sizeof(*item));
463 addr = (void *)(((uintptr_t)addr) +
464 missed * sizeof(*item));
465 rte_memcpy(addr, flow_items, n);
466 addr = (void *)(((uintptr_t)addr) + n);
469 if (!(node->node_flags & MLX5_EXPANSION_NODE_OPTIONAL) &&
471 next_node = mlx5_flow_expand_rss_skip_explicit(graph,
473 if (stack_pos++ == MLX5_RSS_EXP_ELT_N) {
477 stack[stack_pos] = next_node;
478 } else if (*(next_node + 1)) {
479 /* Follow up with the next possibility. */
480 next_node = mlx5_flow_expand_rss_skip_explicit(graph,
482 } else if (!stack_pos) {
484 * Completing the traverse over the different paths.
485 * The next_node is advanced to the terminator.
489 /* Move to the next path. */
491 next_node = stack[--stack_pos];
496 next_node = mlx5_flow_expand_rss_skip_explicit(graph,
498 stack[stack_pos] = next_node;
500 node = next_node && *next_node ? &graph[*next_node] : NULL;
505 enum mlx5_expansion {
507 MLX5_EXPANSION_ROOT_OUTER,
508 MLX5_EXPANSION_OUTER_ETH,
509 MLX5_EXPANSION_OUTER_VLAN,
510 MLX5_EXPANSION_OUTER_IPV4,
511 MLX5_EXPANSION_OUTER_IPV4_UDP,
512 MLX5_EXPANSION_OUTER_IPV4_TCP,
513 MLX5_EXPANSION_OUTER_IPV6,
514 MLX5_EXPANSION_OUTER_IPV6_UDP,
515 MLX5_EXPANSION_OUTER_IPV6_TCP,
516 MLX5_EXPANSION_VXLAN,
517 MLX5_EXPANSION_STD_VXLAN,
518 MLX5_EXPANSION_L3_VXLAN,
519 MLX5_EXPANSION_VXLAN_GPE,
521 MLX5_EXPANSION_NVGRE,
522 MLX5_EXPANSION_GRE_KEY,
527 MLX5_EXPANSION_IPV4_UDP,
528 MLX5_EXPANSION_IPV4_TCP,
530 MLX5_EXPANSION_IPV6_UDP,
531 MLX5_EXPANSION_IPV6_TCP,
532 MLX5_EXPANSION_IPV6_FRAG_EXT,
536 /** Supported expansion of items. */
537 static const struct mlx5_flow_expand_node mlx5_support_expansion[] = {
538 [MLX5_EXPANSION_ROOT] = {
539 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH,
541 MLX5_EXPANSION_IPV6),
542 .type = RTE_FLOW_ITEM_TYPE_END,
544 [MLX5_EXPANSION_ROOT_OUTER] = {
545 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_ETH,
546 MLX5_EXPANSION_OUTER_IPV4,
547 MLX5_EXPANSION_OUTER_IPV6),
548 .type = RTE_FLOW_ITEM_TYPE_END,
550 [MLX5_EXPANSION_OUTER_ETH] = {
551 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_VLAN),
552 .type = RTE_FLOW_ITEM_TYPE_ETH,
555 [MLX5_EXPANSION_OUTER_VLAN] = {
556 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_IPV4,
557 MLX5_EXPANSION_OUTER_IPV6),
558 .type = RTE_FLOW_ITEM_TYPE_VLAN,
559 .node_flags = MLX5_EXPANSION_NODE_EXPLICIT,
561 [MLX5_EXPANSION_OUTER_IPV4] = {
562 .next = MLX5_FLOW_EXPAND_RSS_NEXT
563 (MLX5_EXPANSION_OUTER_IPV4_UDP,
564 MLX5_EXPANSION_OUTER_IPV4_TCP,
566 MLX5_EXPANSION_NVGRE,
568 MLX5_EXPANSION_IPV6),
569 .type = RTE_FLOW_ITEM_TYPE_IPV4,
570 .rss_types = RTE_ETH_RSS_IPV4 | RTE_ETH_RSS_FRAG_IPV4 |
571 RTE_ETH_RSS_NONFRAG_IPV4_OTHER,
573 [MLX5_EXPANSION_OUTER_IPV4_UDP] = {
574 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_VXLAN,
575 MLX5_EXPANSION_VXLAN_GPE,
578 .type = RTE_FLOW_ITEM_TYPE_UDP,
579 .rss_types = RTE_ETH_RSS_NONFRAG_IPV4_UDP,
581 [MLX5_EXPANSION_OUTER_IPV4_TCP] = {
582 .type = RTE_FLOW_ITEM_TYPE_TCP,
583 .rss_types = RTE_ETH_RSS_NONFRAG_IPV4_TCP,
585 [MLX5_EXPANSION_OUTER_IPV6] = {
586 .next = MLX5_FLOW_EXPAND_RSS_NEXT
587 (MLX5_EXPANSION_OUTER_IPV6_UDP,
588 MLX5_EXPANSION_OUTER_IPV6_TCP,
592 MLX5_EXPANSION_NVGRE),
593 .type = RTE_FLOW_ITEM_TYPE_IPV6,
594 .rss_types = RTE_ETH_RSS_IPV6 | RTE_ETH_RSS_FRAG_IPV6 |
595 RTE_ETH_RSS_NONFRAG_IPV6_OTHER,
597 [MLX5_EXPANSION_OUTER_IPV6_UDP] = {
598 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_VXLAN,
599 MLX5_EXPANSION_VXLAN_GPE,
602 .type = RTE_FLOW_ITEM_TYPE_UDP,
603 .rss_types = RTE_ETH_RSS_NONFRAG_IPV6_UDP,
605 [MLX5_EXPANSION_OUTER_IPV6_TCP] = {
606 .type = RTE_FLOW_ITEM_TYPE_TCP,
607 .rss_types = RTE_ETH_RSS_NONFRAG_IPV6_TCP,
609 [MLX5_EXPANSION_VXLAN] = {
610 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH,
612 MLX5_EXPANSION_IPV6),
613 .type = RTE_FLOW_ITEM_TYPE_VXLAN,
615 [MLX5_EXPANSION_STD_VXLAN] = {
616 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH),
617 .type = RTE_FLOW_ITEM_TYPE_VXLAN,
619 [MLX5_EXPANSION_L3_VXLAN] = {
620 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4,
621 MLX5_EXPANSION_IPV6),
622 .type = RTE_FLOW_ITEM_TYPE_VXLAN,
624 [MLX5_EXPANSION_VXLAN_GPE] = {
625 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH,
627 MLX5_EXPANSION_IPV6),
628 .type = RTE_FLOW_ITEM_TYPE_VXLAN_GPE,
630 [MLX5_EXPANSION_GRE] = {
631 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4,
633 MLX5_EXPANSION_GRE_KEY,
634 MLX5_EXPANSION_MPLS),
635 .type = RTE_FLOW_ITEM_TYPE_GRE,
637 [MLX5_EXPANSION_GRE_KEY] = {
638 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4,
640 MLX5_EXPANSION_MPLS),
641 .type = RTE_FLOW_ITEM_TYPE_GRE_KEY,
642 .node_flags = MLX5_EXPANSION_NODE_OPTIONAL,
644 [MLX5_EXPANSION_NVGRE] = {
645 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH),
646 .type = RTE_FLOW_ITEM_TYPE_NVGRE,
648 [MLX5_EXPANSION_MPLS] = {
649 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4,
652 .type = RTE_FLOW_ITEM_TYPE_MPLS,
653 .node_flags = MLX5_EXPANSION_NODE_OPTIONAL,
655 [MLX5_EXPANSION_ETH] = {
656 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_VLAN),
657 .type = RTE_FLOW_ITEM_TYPE_ETH,
659 [MLX5_EXPANSION_VLAN] = {
660 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4,
661 MLX5_EXPANSION_IPV6),
662 .type = RTE_FLOW_ITEM_TYPE_VLAN,
663 .node_flags = MLX5_EXPANSION_NODE_EXPLICIT,
665 [MLX5_EXPANSION_IPV4] = {
666 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4_UDP,
667 MLX5_EXPANSION_IPV4_TCP),
668 .type = RTE_FLOW_ITEM_TYPE_IPV4,
669 .rss_types = RTE_ETH_RSS_IPV4 | RTE_ETH_RSS_FRAG_IPV4 |
670 RTE_ETH_RSS_NONFRAG_IPV4_OTHER,
672 [MLX5_EXPANSION_IPV4_UDP] = {
673 .type = RTE_FLOW_ITEM_TYPE_UDP,
674 .rss_types = RTE_ETH_RSS_NONFRAG_IPV4_UDP,
676 [MLX5_EXPANSION_IPV4_TCP] = {
677 .type = RTE_FLOW_ITEM_TYPE_TCP,
678 .rss_types = RTE_ETH_RSS_NONFRAG_IPV4_TCP,
680 [MLX5_EXPANSION_IPV6] = {
681 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV6_UDP,
682 MLX5_EXPANSION_IPV6_TCP,
683 MLX5_EXPANSION_IPV6_FRAG_EXT),
684 .type = RTE_FLOW_ITEM_TYPE_IPV6,
685 .rss_types = RTE_ETH_RSS_IPV6 | RTE_ETH_RSS_FRAG_IPV6 |
686 RTE_ETH_RSS_NONFRAG_IPV6_OTHER,
688 [MLX5_EXPANSION_IPV6_UDP] = {
689 .type = RTE_FLOW_ITEM_TYPE_UDP,
690 .rss_types = RTE_ETH_RSS_NONFRAG_IPV6_UDP,
692 [MLX5_EXPANSION_IPV6_TCP] = {
693 .type = RTE_FLOW_ITEM_TYPE_TCP,
694 .rss_types = RTE_ETH_RSS_NONFRAG_IPV6_TCP,
696 [MLX5_EXPANSION_IPV6_FRAG_EXT] = {
697 .type = RTE_FLOW_ITEM_TYPE_IPV6_FRAG_EXT,
699 [MLX5_EXPANSION_GTP] = {
700 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4,
701 MLX5_EXPANSION_IPV6),
702 .type = RTE_FLOW_ITEM_TYPE_GTP,
706 static struct rte_flow_action_handle *
707 mlx5_action_handle_create(struct rte_eth_dev *dev,
708 const struct rte_flow_indir_action_conf *conf,
709 const struct rte_flow_action *action,
710 struct rte_flow_error *error);
711 static int mlx5_action_handle_destroy
712 (struct rte_eth_dev *dev,
713 struct rte_flow_action_handle *handle,
714 struct rte_flow_error *error);
715 static int mlx5_action_handle_update
716 (struct rte_eth_dev *dev,
717 struct rte_flow_action_handle *handle,
719 struct rte_flow_error *error);
720 static int mlx5_action_handle_query
721 (struct rte_eth_dev *dev,
722 const struct rte_flow_action_handle *handle,
724 struct rte_flow_error *error);
726 mlx5_flow_tunnel_decap_set(struct rte_eth_dev *dev,
727 struct rte_flow_tunnel *app_tunnel,
728 struct rte_flow_action **actions,
729 uint32_t *num_of_actions,
730 struct rte_flow_error *error);
732 mlx5_flow_tunnel_match(struct rte_eth_dev *dev,
733 struct rte_flow_tunnel *app_tunnel,
734 struct rte_flow_item **items,
735 uint32_t *num_of_items,
736 struct rte_flow_error *error);
738 mlx5_flow_tunnel_item_release(struct rte_eth_dev *dev,
739 struct rte_flow_item *pmd_items,
740 uint32_t num_items, struct rte_flow_error *err);
742 mlx5_flow_tunnel_action_release(struct rte_eth_dev *dev,
743 struct rte_flow_action *pmd_actions,
744 uint32_t num_actions,
745 struct rte_flow_error *err);
747 mlx5_flow_tunnel_get_restore_info(struct rte_eth_dev *dev,
749 struct rte_flow_restore_info *info,
750 struct rte_flow_error *err);
751 static struct rte_flow_item_flex_handle *
752 mlx5_flow_flex_item_create(struct rte_eth_dev *dev,
753 const struct rte_flow_item_flex_conf *conf,
754 struct rte_flow_error *error);
756 mlx5_flow_flex_item_release(struct rte_eth_dev *dev,
757 const struct rte_flow_item_flex_handle *handle,
758 struct rte_flow_error *error);
760 static const struct rte_flow_ops mlx5_flow_ops = {
761 .validate = mlx5_flow_validate,
762 .create = mlx5_flow_create,
763 .destroy = mlx5_flow_destroy,
764 .flush = mlx5_flow_flush,
765 .isolate = mlx5_flow_isolate,
766 .query = mlx5_flow_query,
767 .dev_dump = mlx5_flow_dev_dump,
768 .get_aged_flows = mlx5_flow_get_aged_flows,
769 .action_handle_create = mlx5_action_handle_create,
770 .action_handle_destroy = mlx5_action_handle_destroy,
771 .action_handle_update = mlx5_action_handle_update,
772 .action_handle_query = mlx5_action_handle_query,
773 .tunnel_decap_set = mlx5_flow_tunnel_decap_set,
774 .tunnel_match = mlx5_flow_tunnel_match,
775 .tunnel_action_decap_release = mlx5_flow_tunnel_action_release,
776 .tunnel_item_release = mlx5_flow_tunnel_item_release,
777 .get_restore_info = mlx5_flow_tunnel_get_restore_info,
778 .flex_item_create = mlx5_flow_flex_item_create,
779 .flex_item_release = mlx5_flow_flex_item_release,
782 /* Tunnel information. */
783 struct mlx5_flow_tunnel_info {
784 uint64_t tunnel; /**< Tunnel bit (see MLX5_FLOW_*). */
785 uint32_t ptype; /**< Tunnel Ptype (see RTE_PTYPE_*). */
788 static struct mlx5_flow_tunnel_info tunnels_info[] = {
790 .tunnel = MLX5_FLOW_LAYER_VXLAN,
791 .ptype = RTE_PTYPE_TUNNEL_VXLAN | RTE_PTYPE_L4_UDP,
794 .tunnel = MLX5_FLOW_LAYER_GENEVE,
795 .ptype = RTE_PTYPE_TUNNEL_GENEVE | RTE_PTYPE_L4_UDP,
798 .tunnel = MLX5_FLOW_LAYER_VXLAN_GPE,
799 .ptype = RTE_PTYPE_TUNNEL_VXLAN_GPE | RTE_PTYPE_L4_UDP,
802 .tunnel = MLX5_FLOW_LAYER_GRE,
803 .ptype = RTE_PTYPE_TUNNEL_GRE,
806 .tunnel = MLX5_FLOW_LAYER_MPLS | MLX5_FLOW_LAYER_OUTER_L4_UDP,
807 .ptype = RTE_PTYPE_TUNNEL_MPLS_IN_UDP | RTE_PTYPE_L4_UDP,
810 .tunnel = MLX5_FLOW_LAYER_MPLS,
811 .ptype = RTE_PTYPE_TUNNEL_MPLS_IN_GRE,
814 .tunnel = MLX5_FLOW_LAYER_NVGRE,
815 .ptype = RTE_PTYPE_TUNNEL_NVGRE,
818 .tunnel = MLX5_FLOW_LAYER_IPIP,
819 .ptype = RTE_PTYPE_TUNNEL_IP,
822 .tunnel = MLX5_FLOW_LAYER_IPV6_ENCAP,
823 .ptype = RTE_PTYPE_TUNNEL_IP,
826 .tunnel = MLX5_FLOW_LAYER_GTP,
827 .ptype = RTE_PTYPE_TUNNEL_GTPU,
834 * Translate tag ID to register.
837 * Pointer to the Ethernet device structure.
839 * The feature that request the register.
841 * The request register ID.
843 * Error description in case of any.
846 * The request register on success, a negative errno
847 * value otherwise and rte_errno is set.
850 mlx5_flow_get_reg_id(struct rte_eth_dev *dev,
851 enum mlx5_feature_name feature,
853 struct rte_flow_error *error)
855 struct mlx5_priv *priv = dev->data->dev_private;
856 struct mlx5_dev_config *config = &priv->config;
857 enum modify_reg start_reg;
858 bool skip_mtr_reg = false;
861 case MLX5_HAIRPIN_RX:
863 case MLX5_HAIRPIN_TX:
865 case MLX5_METADATA_RX:
866 switch (config->dv_xmeta_en) {
867 case MLX5_XMETA_MODE_LEGACY:
869 case MLX5_XMETA_MODE_META16:
871 case MLX5_XMETA_MODE_META32:
875 case MLX5_METADATA_TX:
877 case MLX5_METADATA_FDB:
878 switch (config->dv_xmeta_en) {
879 case MLX5_XMETA_MODE_LEGACY:
881 case MLX5_XMETA_MODE_META16:
883 case MLX5_XMETA_MODE_META32:
888 switch (config->dv_xmeta_en) {
889 case MLX5_XMETA_MODE_LEGACY:
891 case MLX5_XMETA_MODE_META16:
893 case MLX5_XMETA_MODE_META32:
899 * If meter color and meter id share one register, flow match
900 * should use the meter color register for match.
902 if (priv->mtr_reg_share)
903 return priv->mtr_color_reg;
905 return priv->mtr_color_reg != REG_C_2 ? REG_C_2 :
908 case MLX5_ASO_FLOW_HIT:
909 case MLX5_ASO_CONNTRACK:
910 /* All features use the same REG_C. */
911 MLX5_ASSERT(priv->mtr_color_reg != REG_NON);
912 return priv->mtr_color_reg;
915 * Metadata COPY_MARK register using is in meter suffix sub
916 * flow while with meter. It's safe to share the same register.
918 return priv->mtr_color_reg != REG_C_2 ? REG_C_2 : REG_C_3;
921 * If meter is enable, it will engage the register for color
922 * match and flow match. If meter color match is not using the
923 * REG_C_2, need to skip the REG_C_x be used by meter color
925 * If meter is disable, free to use all available registers.
927 start_reg = priv->mtr_color_reg != REG_C_2 ? REG_C_2 :
928 (priv->mtr_reg_share ? REG_C_3 : REG_C_4);
929 skip_mtr_reg = !!(priv->mtr_en && start_reg == REG_C_2);
930 if (id > (uint32_t)(REG_C_7 - start_reg))
931 return rte_flow_error_set(error, EINVAL,
932 RTE_FLOW_ERROR_TYPE_ITEM,
933 NULL, "invalid tag id");
934 if (priv->sh->flow_mreg_c[id + start_reg - REG_C_0] == REG_NON)
935 return rte_flow_error_set(error, ENOTSUP,
936 RTE_FLOW_ERROR_TYPE_ITEM,
937 NULL, "unsupported tag id");
939 * This case means meter is using the REG_C_x great than 2.
940 * Take care not to conflict with meter color REG_C_x.
941 * If the available index REG_C_y >= REG_C_x, skip the
944 if (skip_mtr_reg && priv->sh->flow_mreg_c
945 [id + start_reg - REG_C_0] >= priv->mtr_color_reg) {
946 if (id >= (uint32_t)(REG_C_7 - start_reg))
947 return rte_flow_error_set(error, EINVAL,
948 RTE_FLOW_ERROR_TYPE_ITEM,
949 NULL, "invalid tag id");
950 if (priv->sh->flow_mreg_c
951 [id + 1 + start_reg - REG_C_0] != REG_NON)
952 return priv->sh->flow_mreg_c
953 [id + 1 + start_reg - REG_C_0];
954 return rte_flow_error_set(error, ENOTSUP,
955 RTE_FLOW_ERROR_TYPE_ITEM,
956 NULL, "unsupported tag id");
958 return priv->sh->flow_mreg_c[id + start_reg - REG_C_0];
961 return rte_flow_error_set(error, EINVAL,
962 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
963 NULL, "invalid feature name");
967 * Check extensive flow metadata register support.
970 * Pointer to rte_eth_dev structure.
973 * True if device supports extensive flow metadata register, otherwise false.
976 mlx5_flow_ext_mreg_supported(struct rte_eth_dev *dev)
978 struct mlx5_priv *priv = dev->data->dev_private;
981 * Having available reg_c can be regarded inclusively as supporting
982 * extensive flow metadata register, which could mean,
983 * - metadata register copy action by modify header.
984 * - 16 modify header actions is supported.
985 * - reg_c's are preserved across different domain (FDB and NIC) on
986 * packet loopback by flow lookup miss.
988 return priv->sh->flow_mreg_c[2] != REG_NON;
992 * Get the lowest priority.
995 * Pointer to the Ethernet device structure.
996 * @param[in] attributes
997 * Pointer to device flow rule attributes.
1000 * The value of lowest priority of flow.
1003 mlx5_get_lowest_priority(struct rte_eth_dev *dev,
1004 const struct rte_flow_attr *attr)
1006 struct mlx5_priv *priv = dev->data->dev_private;
1008 if (!attr->group && !attr->transfer)
1009 return priv->sh->flow_max_priority - 2;
1010 return MLX5_NON_ROOT_FLOW_MAX_PRIO - 1;
1014 * Calculate matcher priority of the flow.
1017 * Pointer to the Ethernet device structure.
1019 * Pointer to device flow rule attributes.
1020 * @param[in] subpriority
1021 * The priority based on the items.
1022 * @param[in] external
1023 * Flow is user flow.
1025 * The matcher priority of the flow.
1028 mlx5_get_matcher_priority(struct rte_eth_dev *dev,
1029 const struct rte_flow_attr *attr,
1030 uint32_t subpriority, bool external)
1032 uint16_t priority = (uint16_t)attr->priority;
1033 struct mlx5_priv *priv = dev->data->dev_private;
1035 if (!attr->group && !attr->transfer) {
1036 if (attr->priority == MLX5_FLOW_LOWEST_PRIO_INDICATOR)
1037 priority = priv->sh->flow_max_priority - 1;
1038 return mlx5_os_flow_adjust_priority(dev, priority, subpriority);
1039 } else if (!external && attr->transfer && attr->group == 0 &&
1040 attr->priority == MLX5_FLOW_LOWEST_PRIO_INDICATOR) {
1041 return (priv->sh->flow_max_priority - 1) * 3;
1043 if (attr->priority == MLX5_FLOW_LOWEST_PRIO_INDICATOR)
1044 priority = MLX5_NON_ROOT_FLOW_MAX_PRIO;
1045 return priority * 3 + subpriority;
1049 * Verify the @p item specifications (spec, last, mask) are compatible with the
1053 * Item specification.
1055 * @p item->mask or flow default bit-masks.
1056 * @param[in] nic_mask
1057 * Bit-masks covering supported fields by the NIC to compare with user mask.
1059 * Bit-masks size in bytes.
1060 * @param[in] range_accepted
1061 * True if range of values is accepted for specific fields, false otherwise.
1063 * Pointer to error structure.
1066 * 0 on success, a negative errno value otherwise and rte_errno is set.
1069 mlx5_flow_item_acceptable(const struct rte_flow_item *item,
1070 const uint8_t *mask,
1071 const uint8_t *nic_mask,
1073 bool range_accepted,
1074 struct rte_flow_error *error)
1078 MLX5_ASSERT(nic_mask);
1079 for (i = 0; i < size; ++i)
1080 if ((nic_mask[i] | mask[i]) != nic_mask[i])
1081 return rte_flow_error_set(error, ENOTSUP,
1082 RTE_FLOW_ERROR_TYPE_ITEM,
1084 "mask enables non supported"
1086 if (!item->spec && (item->mask || item->last))
1087 return rte_flow_error_set(error, EINVAL,
1088 RTE_FLOW_ERROR_TYPE_ITEM, item,
1089 "mask/last without a spec is not"
1091 if (item->spec && item->last && !range_accepted) {
1097 for (i = 0; i < size; ++i) {
1098 spec[i] = ((const uint8_t *)item->spec)[i] & mask[i];
1099 last[i] = ((const uint8_t *)item->last)[i] & mask[i];
1101 ret = memcmp(spec, last, size);
1103 return rte_flow_error_set(error, EINVAL,
1104 RTE_FLOW_ERROR_TYPE_ITEM,
1106 "range is not valid");
1112 * Adjust the hash fields according to the @p flow information.
1114 * @param[in] dev_flow.
1115 * Pointer to the mlx5_flow.
1117 * 1 when the hash field is for a tunnel item.
1118 * @param[in] layer_types
1119 * RTE_ETH_RSS_* types.
1120 * @param[in] hash_fields
1124 * The hash fields that should be used.
1127 mlx5_flow_hashfields_adjust(struct mlx5_flow_rss_desc *rss_desc,
1128 int tunnel __rte_unused, uint64_t layer_types,
1129 uint64_t hash_fields)
1131 #ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
1132 int rss_request_inner = rss_desc->level >= 2;
1134 /* Check RSS hash level for tunnel. */
1135 if (tunnel && rss_request_inner)
1136 hash_fields |= IBV_RX_HASH_INNER;
1137 else if (tunnel || rss_request_inner)
1140 /* Check if requested layer matches RSS hash fields. */
1141 if (!(rss_desc->types & layer_types))
1147 * Lookup and set the ptype in the data Rx part. A single Ptype can be used,
1148 * if several tunnel rules are used on this queue, the tunnel ptype will be
1152 * Rx queue to update.
1155 flow_rxq_tunnel_ptype_update(struct mlx5_rxq_ctrl *rxq_ctrl)
1158 uint32_t tunnel_ptype = 0;
1160 /* Look up for the ptype to use. */
1161 for (i = 0; i != MLX5_FLOW_TUNNEL; ++i) {
1162 if (!rxq_ctrl->flow_tunnels_n[i])
1164 if (!tunnel_ptype) {
1165 tunnel_ptype = tunnels_info[i].ptype;
1171 rxq_ctrl->rxq.tunnel = tunnel_ptype;
1175 * Set the Rx queue flags (Mark/Flag and Tunnel Ptypes) according to the devive
1179 * Pointer to the Ethernet device structure.
1180 * @param[in] dev_handle
1181 * Pointer to device flow handle structure.
1184 flow_drv_rxq_flags_set(struct rte_eth_dev *dev,
1185 struct mlx5_flow_handle *dev_handle)
1187 struct mlx5_priv *priv = dev->data->dev_private;
1188 const int mark = dev_handle->mark;
1189 const int tunnel = !!(dev_handle->layers & MLX5_FLOW_LAYER_TUNNEL);
1190 struct mlx5_ind_table_obj *ind_tbl = NULL;
1193 if (dev_handle->fate_action == MLX5_FLOW_FATE_QUEUE) {
1194 struct mlx5_hrxq *hrxq;
1196 hrxq = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_HRXQ],
1197 dev_handle->rix_hrxq);
1199 ind_tbl = hrxq->ind_table;
1200 } else if (dev_handle->fate_action == MLX5_FLOW_FATE_SHARED_RSS) {
1201 struct mlx5_shared_action_rss *shared_rss;
1203 shared_rss = mlx5_ipool_get
1204 (priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS],
1205 dev_handle->rix_srss);
1207 ind_tbl = shared_rss->ind_tbl;
1211 for (i = 0; i != ind_tbl->queues_n; ++i) {
1212 int idx = ind_tbl->queues[i];
1213 struct mlx5_rxq_ctrl *rxq_ctrl =
1214 container_of((*priv->rxqs)[idx],
1215 struct mlx5_rxq_ctrl, rxq);
1218 * To support metadata register copy on Tx loopback,
1219 * this must be always enabled (metadata may arive
1220 * from other port - not from local flows only.
1222 if (priv->config.dv_flow_en &&
1223 priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY &&
1224 mlx5_flow_ext_mreg_supported(dev)) {
1225 rxq_ctrl->rxq.mark = 1;
1226 rxq_ctrl->flow_mark_n = 1;
1228 rxq_ctrl->rxq.mark = 1;
1229 rxq_ctrl->flow_mark_n++;
1234 /* Increase the counter matching the flow. */
1235 for (j = 0; j != MLX5_FLOW_TUNNEL; ++j) {
1236 if ((tunnels_info[j].tunnel &
1237 dev_handle->layers) ==
1238 tunnels_info[j].tunnel) {
1239 rxq_ctrl->flow_tunnels_n[j]++;
1243 flow_rxq_tunnel_ptype_update(rxq_ctrl);
1249 * Set the Rx queue flags (Mark/Flag and Tunnel Ptypes) for a flow
1252 * Pointer to the Ethernet device structure.
1254 * Pointer to flow structure.
1257 flow_rxq_flags_set(struct rte_eth_dev *dev, struct rte_flow *flow)
1259 struct mlx5_priv *priv = dev->data->dev_private;
1260 uint32_t handle_idx;
1261 struct mlx5_flow_handle *dev_handle;
1263 SILIST_FOREACH(priv->sh->ipool[MLX5_IPOOL_MLX5_FLOW], flow->dev_handles,
1264 handle_idx, dev_handle, next)
1265 flow_drv_rxq_flags_set(dev, dev_handle);
1269 * Clear the Rx queue flags (Mark/Flag and Tunnel Ptype) associated with the
1270 * device flow if no other flow uses it with the same kind of request.
1273 * Pointer to Ethernet device.
1274 * @param[in] dev_handle
1275 * Pointer to the device flow handle structure.
1278 flow_drv_rxq_flags_trim(struct rte_eth_dev *dev,
1279 struct mlx5_flow_handle *dev_handle)
1281 struct mlx5_priv *priv = dev->data->dev_private;
1282 const int mark = dev_handle->mark;
1283 const int tunnel = !!(dev_handle->layers & MLX5_FLOW_LAYER_TUNNEL);
1284 struct mlx5_ind_table_obj *ind_tbl = NULL;
1287 if (dev_handle->fate_action == MLX5_FLOW_FATE_QUEUE) {
1288 struct mlx5_hrxq *hrxq;
1290 hrxq = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_HRXQ],
1291 dev_handle->rix_hrxq);
1293 ind_tbl = hrxq->ind_table;
1294 } else if (dev_handle->fate_action == MLX5_FLOW_FATE_SHARED_RSS) {
1295 struct mlx5_shared_action_rss *shared_rss;
1297 shared_rss = mlx5_ipool_get
1298 (priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS],
1299 dev_handle->rix_srss);
1301 ind_tbl = shared_rss->ind_tbl;
1305 MLX5_ASSERT(dev->data->dev_started);
1306 for (i = 0; i != ind_tbl->queues_n; ++i) {
1307 int idx = ind_tbl->queues[i];
1308 struct mlx5_rxq_ctrl *rxq_ctrl =
1309 container_of((*priv->rxqs)[idx],
1310 struct mlx5_rxq_ctrl, rxq);
1312 if (priv->config.dv_flow_en &&
1313 priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY &&
1314 mlx5_flow_ext_mreg_supported(dev)) {
1315 rxq_ctrl->rxq.mark = 1;
1316 rxq_ctrl->flow_mark_n = 1;
1318 rxq_ctrl->flow_mark_n--;
1319 rxq_ctrl->rxq.mark = !!rxq_ctrl->flow_mark_n;
1324 /* Decrease the counter matching the flow. */
1325 for (j = 0; j != MLX5_FLOW_TUNNEL; ++j) {
1326 if ((tunnels_info[j].tunnel &
1327 dev_handle->layers) ==
1328 tunnels_info[j].tunnel) {
1329 rxq_ctrl->flow_tunnels_n[j]--;
1333 flow_rxq_tunnel_ptype_update(rxq_ctrl);
1339 * Clear the Rx queue flags (Mark/Flag and Tunnel Ptype) associated with the
1340 * @p flow if no other flow uses it with the same kind of request.
1343 * Pointer to Ethernet device.
1345 * Pointer to the flow.
1348 flow_rxq_flags_trim(struct rte_eth_dev *dev, struct rte_flow *flow)
1350 struct mlx5_priv *priv = dev->data->dev_private;
1351 uint32_t handle_idx;
1352 struct mlx5_flow_handle *dev_handle;
1354 SILIST_FOREACH(priv->sh->ipool[MLX5_IPOOL_MLX5_FLOW], flow->dev_handles,
1355 handle_idx, dev_handle, next)
1356 flow_drv_rxq_flags_trim(dev, dev_handle);
1360 * Clear the Mark/Flag and Tunnel ptype information in all Rx queues.
1363 * Pointer to Ethernet device.
1366 flow_rxq_flags_clear(struct rte_eth_dev *dev)
1368 struct mlx5_priv *priv = dev->data->dev_private;
1371 for (i = 0; i != priv->rxqs_n; ++i) {
1372 struct mlx5_rxq_ctrl *rxq_ctrl;
1375 if (!(*priv->rxqs)[i])
1377 rxq_ctrl = container_of((*priv->rxqs)[i],
1378 struct mlx5_rxq_ctrl, rxq);
1379 rxq_ctrl->flow_mark_n = 0;
1380 rxq_ctrl->rxq.mark = 0;
1381 for (j = 0; j != MLX5_FLOW_TUNNEL; ++j)
1382 rxq_ctrl->flow_tunnels_n[j] = 0;
1383 rxq_ctrl->rxq.tunnel = 0;
1388 * Set the Rx queue dynamic metadata (mask and offset) for a flow
1391 * Pointer to the Ethernet device structure.
1394 mlx5_flow_rxq_dynf_metadata_set(struct rte_eth_dev *dev)
1396 struct mlx5_priv *priv = dev->data->dev_private;
1397 struct mlx5_rxq_data *data;
1400 for (i = 0; i != priv->rxqs_n; ++i) {
1401 if (!(*priv->rxqs)[i])
1403 data = (*priv->rxqs)[i];
1404 if (!rte_flow_dynf_metadata_avail()) {
1405 data->dynf_meta = 0;
1406 data->flow_meta_mask = 0;
1407 data->flow_meta_offset = -1;
1408 data->flow_meta_port_mask = 0;
1410 data->dynf_meta = 1;
1411 data->flow_meta_mask = rte_flow_dynf_metadata_mask;
1412 data->flow_meta_offset = rte_flow_dynf_metadata_offs;
1413 data->flow_meta_port_mask = priv->sh->dv_meta_mask;
1419 * return a pointer to the desired action in the list of actions.
1421 * @param[in] actions
1422 * The list of actions to search the action in.
1424 * The action to find.
1427 * Pointer to the action in the list, if found. NULL otherwise.
1429 const struct rte_flow_action *
1430 mlx5_flow_find_action(const struct rte_flow_action *actions,
1431 enum rte_flow_action_type action)
1433 if (actions == NULL)
1435 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++)
1436 if (actions->type == action)
1442 * Validate the flag action.
1444 * @param[in] action_flags
1445 * Bit-fields that holds the actions detected until now.
1447 * Attributes of flow that includes this action.
1449 * Pointer to error structure.
1452 * 0 on success, a negative errno value otherwise and rte_errno is set.
1455 mlx5_flow_validate_action_flag(uint64_t action_flags,
1456 const struct rte_flow_attr *attr,
1457 struct rte_flow_error *error)
1459 if (action_flags & MLX5_FLOW_ACTION_MARK)
1460 return rte_flow_error_set(error, EINVAL,
1461 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
1462 "can't mark and flag in same flow");
1463 if (action_flags & MLX5_FLOW_ACTION_FLAG)
1464 return rte_flow_error_set(error, EINVAL,
1465 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
1467 " actions in same flow");
1469 return rte_flow_error_set(error, ENOTSUP,
1470 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
1471 "flag action not supported for "
1477 * Validate the mark action.
1480 * Pointer to the queue action.
1481 * @param[in] action_flags
1482 * Bit-fields that holds the actions detected until now.
1484 * Attributes of flow that includes this action.
1486 * Pointer to error structure.
1489 * 0 on success, a negative errno value otherwise and rte_errno is set.
1492 mlx5_flow_validate_action_mark(const struct rte_flow_action *action,
1493 uint64_t action_flags,
1494 const struct rte_flow_attr *attr,
1495 struct rte_flow_error *error)
1497 const struct rte_flow_action_mark *mark = action->conf;
1500 return rte_flow_error_set(error, EINVAL,
1501 RTE_FLOW_ERROR_TYPE_ACTION,
1503 "configuration cannot be null");
1504 if (mark->id >= MLX5_FLOW_MARK_MAX)
1505 return rte_flow_error_set(error, EINVAL,
1506 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1508 "mark id must in 0 <= id < "
1509 RTE_STR(MLX5_FLOW_MARK_MAX));
1510 if (action_flags & MLX5_FLOW_ACTION_FLAG)
1511 return rte_flow_error_set(error, EINVAL,
1512 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
1513 "can't flag and mark in same flow");
1514 if (action_flags & MLX5_FLOW_ACTION_MARK)
1515 return rte_flow_error_set(error, EINVAL,
1516 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
1517 "can't have 2 mark actions in same"
1520 return rte_flow_error_set(error, ENOTSUP,
1521 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
1522 "mark action not supported for "
1528 * Validate the drop action.
1530 * @param[in] action_flags
1531 * Bit-fields that holds the actions detected until now.
1533 * Attributes of flow that includes this action.
1535 * Pointer to error structure.
1538 * 0 on success, a negative errno value otherwise and rte_errno is set.
1541 mlx5_flow_validate_action_drop(uint64_t action_flags __rte_unused,
1542 const struct rte_flow_attr *attr,
1543 struct rte_flow_error *error)
1546 return rte_flow_error_set(error, ENOTSUP,
1547 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
1548 "drop action not supported for "
1554 * Validate the queue action.
1557 * Pointer to the queue action.
1558 * @param[in] action_flags
1559 * Bit-fields that holds the actions detected until now.
1561 * Pointer to the Ethernet device structure.
1563 * Attributes of flow that includes this action.
1565 * Pointer to error structure.
1568 * 0 on success, a negative errno value otherwise and rte_errno is set.
1571 mlx5_flow_validate_action_queue(const struct rte_flow_action *action,
1572 uint64_t action_flags,
1573 struct rte_eth_dev *dev,
1574 const struct rte_flow_attr *attr,
1575 struct rte_flow_error *error)
1577 struct mlx5_priv *priv = dev->data->dev_private;
1578 const struct rte_flow_action_queue *queue = action->conf;
1580 if (action_flags & MLX5_FLOW_FATE_ACTIONS)
1581 return rte_flow_error_set(error, EINVAL,
1582 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
1583 "can't have 2 fate actions in"
1586 return rte_flow_error_set(error, EINVAL,
1587 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1588 NULL, "No Rx queues configured");
1589 if (queue->index >= priv->rxqs_n)
1590 return rte_flow_error_set(error, EINVAL,
1591 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1593 "queue index out of range");
1594 if (!(*priv->rxqs)[queue->index])
1595 return rte_flow_error_set(error, EINVAL,
1596 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1598 "queue is not configured");
1600 return rte_flow_error_set(error, ENOTSUP,
1601 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
1602 "queue action not supported for "
1608 * Validate queue numbers for device RSS.
1611 * Configured device.
1613 * Array of queue numbers.
1614 * @param[in] queues_n
1615 * Size of the @p queues array.
1617 * On error, filled with a textual error description.
1619 * On error, filled with an offending queue index in @p queues array.
1622 * 0 on success, a negative errno code on error.
1625 mlx5_validate_rss_queues(const struct rte_eth_dev *dev,
1626 const uint16_t *queues, uint32_t queues_n,
1627 const char **error, uint32_t *queue_idx)
1629 const struct mlx5_priv *priv = dev->data->dev_private;
1630 enum mlx5_rxq_type rxq_type = MLX5_RXQ_TYPE_UNDEFINED;
1633 for (i = 0; i != queues_n; ++i) {
1634 struct mlx5_rxq_ctrl *rxq_ctrl;
1636 if (queues[i] >= priv->rxqs_n) {
1637 *error = "queue index out of range";
1641 if (!(*priv->rxqs)[queues[i]]) {
1642 *error = "queue is not configured";
1646 rxq_ctrl = container_of((*priv->rxqs)[queues[i]],
1647 struct mlx5_rxq_ctrl, rxq);
1649 rxq_type = rxq_ctrl->type;
1650 if (rxq_type != rxq_ctrl->type) {
1651 *error = "combining hairpin and regular RSS queues is not supported";
1660 * Validate the rss action.
1663 * Pointer to the Ethernet device structure.
1665 * Pointer to the queue action.
1667 * Pointer to error structure.
1670 * 0 on success, a negative errno value otherwise and rte_errno is set.
1673 mlx5_validate_action_rss(struct rte_eth_dev *dev,
1674 const struct rte_flow_action *action,
1675 struct rte_flow_error *error)
1677 struct mlx5_priv *priv = dev->data->dev_private;
1678 const struct rte_flow_action_rss *rss = action->conf;
1680 const char *message;
1683 if (rss->func != RTE_ETH_HASH_FUNCTION_DEFAULT &&
1684 rss->func != RTE_ETH_HASH_FUNCTION_TOEPLITZ)
1685 return rte_flow_error_set(error, ENOTSUP,
1686 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1688 "RSS hash function not supported");
1689 #ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
1694 return rte_flow_error_set(error, ENOTSUP,
1695 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1697 "tunnel RSS is not supported");
1698 /* allow RSS key_len 0 in case of NULL (default) RSS key. */
1699 if (rss->key_len == 0 && rss->key != NULL)
1700 return rte_flow_error_set(error, ENOTSUP,
1701 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1703 "RSS hash key length 0");
1704 if (rss->key_len > 0 && rss->key_len < MLX5_RSS_HASH_KEY_LEN)
1705 return rte_flow_error_set(error, ENOTSUP,
1706 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1708 "RSS hash key too small");
1709 if (rss->key_len > MLX5_RSS_HASH_KEY_LEN)
1710 return rte_flow_error_set(error, ENOTSUP,
1711 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1713 "RSS hash key too large");
1714 if (rss->queue_num > priv->config.ind_table_max_size)
1715 return rte_flow_error_set(error, ENOTSUP,
1716 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1718 "number of queues too large");
1719 if (rss->types & MLX5_RSS_HF_MASK)
1720 return rte_flow_error_set(error, ENOTSUP,
1721 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1723 "some RSS protocols are not"
1725 if ((rss->types & (RTE_ETH_RSS_L3_SRC_ONLY | RTE_ETH_RSS_L3_DST_ONLY)) &&
1726 !(rss->types & RTE_ETH_RSS_IP))
1727 return rte_flow_error_set(error, EINVAL,
1728 RTE_FLOW_ERROR_TYPE_ACTION_CONF, NULL,
1729 "L3 partial RSS requested but L3 RSS"
1730 " type not specified");
1731 if ((rss->types & (RTE_ETH_RSS_L4_SRC_ONLY | RTE_ETH_RSS_L4_DST_ONLY)) &&
1732 !(rss->types & (RTE_ETH_RSS_UDP | RTE_ETH_RSS_TCP)))
1733 return rte_flow_error_set(error, EINVAL,
1734 RTE_FLOW_ERROR_TYPE_ACTION_CONF, NULL,
1735 "L4 partial RSS requested but L4 RSS"
1736 " type not specified");
1738 return rte_flow_error_set(error, EINVAL,
1739 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1740 NULL, "No Rx queues configured");
1741 if (!rss->queue_num)
1742 return rte_flow_error_set(error, EINVAL,
1743 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1744 NULL, "No queues configured");
1745 ret = mlx5_validate_rss_queues(dev, rss->queue, rss->queue_num,
1746 &message, &queue_idx);
1748 return rte_flow_error_set(error, -ret,
1749 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1750 &rss->queue[queue_idx], message);
1756 * Validate the rss action.
1759 * Pointer to the queue action.
1760 * @param[in] action_flags
1761 * Bit-fields that holds the actions detected until now.
1763 * Pointer to the Ethernet device structure.
1765 * Attributes of flow that includes this action.
1766 * @param[in] item_flags
1767 * Items that were detected.
1769 * Pointer to error structure.
1772 * 0 on success, a negative errno value otherwise and rte_errno is set.
1775 mlx5_flow_validate_action_rss(const struct rte_flow_action *action,
1776 uint64_t action_flags,
1777 struct rte_eth_dev *dev,
1778 const struct rte_flow_attr *attr,
1779 uint64_t item_flags,
1780 struct rte_flow_error *error)
1782 const struct rte_flow_action_rss *rss = action->conf;
1783 int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
1786 if (action_flags & MLX5_FLOW_FATE_ACTIONS)
1787 return rte_flow_error_set(error, EINVAL,
1788 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
1789 "can't have 2 fate actions"
1791 ret = mlx5_validate_action_rss(dev, action, error);
1795 return rte_flow_error_set(error, ENOTSUP,
1796 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
1797 "rss action not supported for "
1799 if (rss->level > 1 && !tunnel)
1800 return rte_flow_error_set(error, EINVAL,
1801 RTE_FLOW_ERROR_TYPE_ACTION_CONF, NULL,
1802 "inner RSS is not supported for "
1803 "non-tunnel flows");
1804 if ((item_flags & MLX5_FLOW_LAYER_ECPRI) &&
1805 !(item_flags & MLX5_FLOW_LAYER_INNER_L4_UDP)) {
1806 return rte_flow_error_set(error, EINVAL,
1807 RTE_FLOW_ERROR_TYPE_ACTION_CONF, NULL,
1808 "RSS on eCPRI is not supported now");
1810 if ((item_flags & MLX5_FLOW_LAYER_MPLS) &&
1812 (MLX5_FLOW_LAYER_INNER_L2 | MLX5_FLOW_LAYER_INNER_L3)) &&
1814 return rte_flow_error_set(error, EINVAL,
1815 RTE_FLOW_ERROR_TYPE_ITEM, NULL,
1816 "MPLS inner RSS needs to specify inner L2/L3 items after MPLS in pattern");
1821 * Validate the default miss action.
1823 * @param[in] action_flags
1824 * Bit-fields that holds the actions detected until now.
1826 * Pointer to error structure.
1829 * 0 on success, a negative errno value otherwise and rte_errno is set.
1832 mlx5_flow_validate_action_default_miss(uint64_t action_flags,
1833 const struct rte_flow_attr *attr,
1834 struct rte_flow_error *error)
1836 if (action_flags & MLX5_FLOW_FATE_ACTIONS)
1837 return rte_flow_error_set(error, EINVAL,
1838 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
1839 "can't have 2 fate actions in"
1842 return rte_flow_error_set(error, ENOTSUP,
1843 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
1844 "default miss action not supported "
1847 return rte_flow_error_set(error, ENOTSUP,
1848 RTE_FLOW_ERROR_TYPE_ATTR_GROUP, NULL,
1849 "only group 0 is supported");
1851 return rte_flow_error_set(error, ENOTSUP,
1852 RTE_FLOW_ERROR_TYPE_ATTR_TRANSFER,
1853 NULL, "transfer is not supported");
1858 * Validate the count action.
1861 * Pointer to the Ethernet device structure.
1863 * Attributes of flow that includes this action.
1865 * Pointer to error structure.
1868 * 0 on success, a negative errno value otherwise and rte_errno is set.
1871 mlx5_flow_validate_action_count(struct rte_eth_dev *dev __rte_unused,
1872 const struct rte_flow_attr *attr,
1873 struct rte_flow_error *error)
1876 return rte_flow_error_set(error, ENOTSUP,
1877 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
1878 "count action not supported for "
1884 * Validate the ASO CT action.
1887 * Pointer to the Ethernet device structure.
1888 * @param[in] conntrack
1889 * Pointer to the CT action profile.
1891 * Pointer to error structure.
1894 * 0 on success, a negative errno value otherwise and rte_errno is set.
1897 mlx5_validate_action_ct(struct rte_eth_dev *dev,
1898 const struct rte_flow_action_conntrack *conntrack,
1899 struct rte_flow_error *error)
1903 if (conntrack->state > RTE_FLOW_CONNTRACK_STATE_TIME_WAIT)
1904 return rte_flow_error_set(error, EINVAL,
1905 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
1906 "Invalid CT state");
1907 if (conntrack->last_index > RTE_FLOW_CONNTRACK_FLAG_RST)
1908 return rte_flow_error_set(error, EINVAL,
1909 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
1910 "Invalid last TCP packet flag");
1915 * Verify the @p attributes will be correctly understood by the NIC and store
1916 * them in the @p flow if everything is correct.
1919 * Pointer to the Ethernet device structure.
1920 * @param[in] attributes
1921 * Pointer to flow attributes
1923 * Pointer to error structure.
1926 * 0 on success, a negative errno value otherwise and rte_errno is set.
1929 mlx5_flow_validate_attributes(struct rte_eth_dev *dev,
1930 const struct rte_flow_attr *attributes,
1931 struct rte_flow_error *error)
1933 struct mlx5_priv *priv = dev->data->dev_private;
1934 uint32_t priority_max = priv->sh->flow_max_priority - 1;
1936 if (attributes->group)
1937 return rte_flow_error_set(error, ENOTSUP,
1938 RTE_FLOW_ERROR_TYPE_ATTR_GROUP,
1939 NULL, "groups is not supported");
1940 if (attributes->priority != MLX5_FLOW_LOWEST_PRIO_INDICATOR &&
1941 attributes->priority >= priority_max)
1942 return rte_flow_error_set(error, ENOTSUP,
1943 RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
1944 NULL, "priority out of range");
1945 if (attributes->egress)
1946 return rte_flow_error_set(error, ENOTSUP,
1947 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
1948 "egress is not supported");
1949 if (attributes->transfer && !priv->config.dv_esw_en)
1950 return rte_flow_error_set(error, ENOTSUP,
1951 RTE_FLOW_ERROR_TYPE_ATTR_TRANSFER,
1952 NULL, "transfer is not supported");
1953 if (!attributes->ingress)
1954 return rte_flow_error_set(error, EINVAL,
1955 RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
1957 "ingress attribute is mandatory");
1962 * Validate ICMP6 item.
1965 * Item specification.
1966 * @param[in] item_flags
1967 * Bit-fields that holds the items detected until now.
1968 * @param[in] ext_vlan_sup
1969 * Whether extended VLAN features are supported or not.
1971 * Pointer to error structure.
1974 * 0 on success, a negative errno value otherwise and rte_errno is set.
1977 mlx5_flow_validate_item_icmp6(const struct rte_flow_item *item,
1978 uint64_t item_flags,
1979 uint8_t target_protocol,
1980 struct rte_flow_error *error)
1982 const struct rte_flow_item_icmp6 *mask = item->mask;
1983 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
1984 const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV6 :
1985 MLX5_FLOW_LAYER_OUTER_L3_IPV6;
1986 const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
1987 MLX5_FLOW_LAYER_OUTER_L4;
1990 if (target_protocol != 0xFF && target_protocol != IPPROTO_ICMPV6)
1991 return rte_flow_error_set(error, EINVAL,
1992 RTE_FLOW_ERROR_TYPE_ITEM, item,
1993 "protocol filtering not compatible"
1994 " with ICMP6 layer");
1995 if (!(item_flags & l3m))
1996 return rte_flow_error_set(error, EINVAL,
1997 RTE_FLOW_ERROR_TYPE_ITEM, item,
1998 "IPv6 is mandatory to filter on"
2000 if (item_flags & l4m)
2001 return rte_flow_error_set(error, EINVAL,
2002 RTE_FLOW_ERROR_TYPE_ITEM, item,
2003 "multiple L4 layers not supported");
2005 mask = &rte_flow_item_icmp6_mask;
2006 ret = mlx5_flow_item_acceptable
2007 (item, (const uint8_t *)mask,
2008 (const uint8_t *)&rte_flow_item_icmp6_mask,
2009 sizeof(struct rte_flow_item_icmp6),
2010 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
2017 * Validate ICMP item.
2020 * Item specification.
2021 * @param[in] item_flags
2022 * Bit-fields that holds the items detected until now.
2024 * Pointer to error structure.
2027 * 0 on success, a negative errno value otherwise and rte_errno is set.
2030 mlx5_flow_validate_item_icmp(const struct rte_flow_item *item,
2031 uint64_t item_flags,
2032 uint8_t target_protocol,
2033 struct rte_flow_error *error)
2035 const struct rte_flow_item_icmp *mask = item->mask;
2036 const struct rte_flow_item_icmp nic_mask = {
2037 .hdr.icmp_type = 0xff,
2038 .hdr.icmp_code = 0xff,
2039 .hdr.icmp_ident = RTE_BE16(0xffff),
2040 .hdr.icmp_seq_nb = RTE_BE16(0xffff),
2042 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
2043 const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV4 :
2044 MLX5_FLOW_LAYER_OUTER_L3_IPV4;
2045 const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
2046 MLX5_FLOW_LAYER_OUTER_L4;
2049 if (target_protocol != 0xFF && target_protocol != IPPROTO_ICMP)
2050 return rte_flow_error_set(error, EINVAL,
2051 RTE_FLOW_ERROR_TYPE_ITEM, item,
2052 "protocol filtering not compatible"
2053 " with ICMP layer");
2054 if (!(item_flags & l3m))
2055 return rte_flow_error_set(error, EINVAL,
2056 RTE_FLOW_ERROR_TYPE_ITEM, item,
2057 "IPv4 is mandatory to filter"
2059 if (item_flags & l4m)
2060 return rte_flow_error_set(error, EINVAL,
2061 RTE_FLOW_ERROR_TYPE_ITEM, item,
2062 "multiple L4 layers not supported");
2065 ret = mlx5_flow_item_acceptable
2066 (item, (const uint8_t *)mask,
2067 (const uint8_t *)&nic_mask,
2068 sizeof(struct rte_flow_item_icmp),
2069 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
2076 * Validate Ethernet item.
2079 * Item specification.
2080 * @param[in] item_flags
2081 * Bit-fields that holds the items detected until now.
2083 * Pointer to error structure.
2086 * 0 on success, a negative errno value otherwise and rte_errno is set.
2089 mlx5_flow_validate_item_eth(const struct rte_flow_item *item,
2090 uint64_t item_flags, bool ext_vlan_sup,
2091 struct rte_flow_error *error)
2093 const struct rte_flow_item_eth *mask = item->mask;
2094 const struct rte_flow_item_eth nic_mask = {
2095 .dst.addr_bytes = "\xff\xff\xff\xff\xff\xff",
2096 .src.addr_bytes = "\xff\xff\xff\xff\xff\xff",
2097 .type = RTE_BE16(0xffff),
2098 .has_vlan = ext_vlan_sup ? 1 : 0,
2101 int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
2102 const uint64_t ethm = tunnel ? MLX5_FLOW_LAYER_INNER_L2 :
2103 MLX5_FLOW_LAYER_OUTER_L2;
2105 if (item_flags & ethm)
2106 return rte_flow_error_set(error, ENOTSUP,
2107 RTE_FLOW_ERROR_TYPE_ITEM, item,
2108 "multiple L2 layers not supported");
2109 if ((!tunnel && (item_flags & MLX5_FLOW_LAYER_OUTER_L3)) ||
2110 (tunnel && (item_flags & MLX5_FLOW_LAYER_INNER_L3)))
2111 return rte_flow_error_set(error, EINVAL,
2112 RTE_FLOW_ERROR_TYPE_ITEM, item,
2113 "L2 layer should not follow "
2115 if ((!tunnel && (item_flags & MLX5_FLOW_LAYER_OUTER_VLAN)) ||
2116 (tunnel && (item_flags & MLX5_FLOW_LAYER_INNER_VLAN)))
2117 return rte_flow_error_set(error, EINVAL,
2118 RTE_FLOW_ERROR_TYPE_ITEM, item,
2119 "L2 layer should not follow VLAN");
2120 if (item_flags & MLX5_FLOW_LAYER_GTP)
2121 return rte_flow_error_set(error, EINVAL,
2122 RTE_FLOW_ERROR_TYPE_ITEM, item,
2123 "L2 layer should not follow GTP");
2125 mask = &rte_flow_item_eth_mask;
2126 ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
2127 (const uint8_t *)&nic_mask,
2128 sizeof(struct rte_flow_item_eth),
2129 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
2134 * Validate VLAN item.
2137 * Item specification.
2138 * @param[in] item_flags
2139 * Bit-fields that holds the items detected until now.
2141 * Ethernet device flow is being created on.
2143 * Pointer to error structure.
2146 * 0 on success, a negative errno value otherwise and rte_errno is set.
2149 mlx5_flow_validate_item_vlan(const struct rte_flow_item *item,
2150 uint64_t item_flags,
2151 struct rte_eth_dev *dev,
2152 struct rte_flow_error *error)
2154 const struct rte_flow_item_vlan *spec = item->spec;
2155 const struct rte_flow_item_vlan *mask = item->mask;
2156 const struct rte_flow_item_vlan nic_mask = {
2157 .tci = RTE_BE16(UINT16_MAX),
2158 .inner_type = RTE_BE16(UINT16_MAX),
2160 uint16_t vlan_tag = 0;
2161 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
2163 const uint64_t l34m = tunnel ? (MLX5_FLOW_LAYER_INNER_L3 |
2164 MLX5_FLOW_LAYER_INNER_L4) :
2165 (MLX5_FLOW_LAYER_OUTER_L3 |
2166 MLX5_FLOW_LAYER_OUTER_L4);
2167 const uint64_t vlanm = tunnel ? MLX5_FLOW_LAYER_INNER_VLAN :
2168 MLX5_FLOW_LAYER_OUTER_VLAN;
2170 if (item_flags & vlanm)
2171 return rte_flow_error_set(error, EINVAL,
2172 RTE_FLOW_ERROR_TYPE_ITEM, item,
2173 "multiple VLAN layers not supported");
2174 else if ((item_flags & l34m) != 0)
2175 return rte_flow_error_set(error, EINVAL,
2176 RTE_FLOW_ERROR_TYPE_ITEM, item,
2177 "VLAN cannot follow L3/L4 layer");
2179 mask = &rte_flow_item_vlan_mask;
2180 ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
2181 (const uint8_t *)&nic_mask,
2182 sizeof(struct rte_flow_item_vlan),
2183 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
2186 if (!tunnel && mask->tci != RTE_BE16(0x0fff)) {
2187 struct mlx5_priv *priv = dev->data->dev_private;
2189 if (priv->vmwa_context) {
2191 * Non-NULL context means we have a virtual machine
2192 * and SR-IOV enabled, we have to create VLAN interface
2193 * to make hypervisor to setup E-Switch vport
2194 * context correctly. We avoid creating the multiple
2195 * VLAN interfaces, so we cannot support VLAN tag mask.
2197 return rte_flow_error_set(error, EINVAL,
2198 RTE_FLOW_ERROR_TYPE_ITEM,
2200 "VLAN tag mask is not"
2201 " supported in virtual"
2206 vlan_tag = spec->tci;
2207 vlan_tag &= mask->tci;
2210 * From verbs perspective an empty VLAN is equivalent
2211 * to a packet without VLAN layer.
2214 return rte_flow_error_set(error, EINVAL,
2215 RTE_FLOW_ERROR_TYPE_ITEM_SPEC,
2217 "VLAN cannot be empty");
2222 * Validate IPV4 item.
2225 * Item specification.
2226 * @param[in] item_flags
2227 * Bit-fields that holds the items detected until now.
2228 * @param[in] last_item
2229 * Previous validated item in the pattern items.
2230 * @param[in] ether_type
2231 * Type in the ethernet layer header (including dot1q).
2232 * @param[in] acc_mask
2233 * Acceptable mask, if NULL default internal default mask
2234 * will be used to check whether item fields are supported.
2235 * @param[in] range_accepted
2236 * True if range of values is accepted for specific fields, false otherwise.
2238 * Pointer to error structure.
2241 * 0 on success, a negative errno value otherwise and rte_errno is set.
2244 mlx5_flow_validate_item_ipv4(const struct rte_flow_item *item,
2245 uint64_t item_flags,
2247 uint16_t ether_type,
2248 const struct rte_flow_item_ipv4 *acc_mask,
2249 bool range_accepted,
2250 struct rte_flow_error *error)
2252 const struct rte_flow_item_ipv4 *mask = item->mask;
2253 const struct rte_flow_item_ipv4 *spec = item->spec;
2254 const struct rte_flow_item_ipv4 nic_mask = {
2256 .src_addr = RTE_BE32(0xffffffff),
2257 .dst_addr = RTE_BE32(0xffffffff),
2258 .type_of_service = 0xff,
2259 .next_proto_id = 0xff,
2262 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
2263 const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
2264 MLX5_FLOW_LAYER_OUTER_L3;
2265 const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
2266 MLX5_FLOW_LAYER_OUTER_L4;
2268 uint8_t next_proto = 0xFF;
2269 const uint64_t l2_vlan = (MLX5_FLOW_LAYER_L2 |
2270 MLX5_FLOW_LAYER_OUTER_VLAN |
2271 MLX5_FLOW_LAYER_INNER_VLAN);
2273 if ((last_item & l2_vlan) && ether_type &&
2274 ether_type != RTE_ETHER_TYPE_IPV4)
2275 return rte_flow_error_set(error, EINVAL,
2276 RTE_FLOW_ERROR_TYPE_ITEM, item,
2277 "IPv4 cannot follow L2/VLAN layer "
2278 "which ether type is not IPv4");
2279 if (item_flags & MLX5_FLOW_LAYER_TUNNEL) {
2281 next_proto = mask->hdr.next_proto_id &
2282 spec->hdr.next_proto_id;
2283 if (next_proto == IPPROTO_IPIP || next_proto == IPPROTO_IPV6)
2284 return rte_flow_error_set(error, EINVAL,
2285 RTE_FLOW_ERROR_TYPE_ITEM,
2290 if (item_flags & MLX5_FLOW_LAYER_IPV6_ENCAP)
2291 return rte_flow_error_set(error, EINVAL,
2292 RTE_FLOW_ERROR_TYPE_ITEM, item,
2293 "wrong tunnel type - IPv6 specified "
2294 "but IPv4 item provided");
2295 if (item_flags & l3m)
2296 return rte_flow_error_set(error, ENOTSUP,
2297 RTE_FLOW_ERROR_TYPE_ITEM, item,
2298 "multiple L3 layers not supported");
2299 else if (item_flags & l4m)
2300 return rte_flow_error_set(error, EINVAL,
2301 RTE_FLOW_ERROR_TYPE_ITEM, item,
2302 "L3 cannot follow an L4 layer.");
2303 else if ((item_flags & MLX5_FLOW_LAYER_NVGRE) &&
2304 !(item_flags & MLX5_FLOW_LAYER_INNER_L2))
2305 return rte_flow_error_set(error, EINVAL,
2306 RTE_FLOW_ERROR_TYPE_ITEM, item,
2307 "L3 cannot follow an NVGRE layer.");
2309 mask = &rte_flow_item_ipv4_mask;
2310 else if (mask->hdr.next_proto_id != 0 &&
2311 mask->hdr.next_proto_id != 0xff)
2312 return rte_flow_error_set(error, EINVAL,
2313 RTE_FLOW_ERROR_TYPE_ITEM_MASK, mask,
2314 "partial mask is not supported"
2316 ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
2317 acc_mask ? (const uint8_t *)acc_mask
2318 : (const uint8_t *)&nic_mask,
2319 sizeof(struct rte_flow_item_ipv4),
2320 range_accepted, error);
2327 * Validate IPV6 item.
2330 * Item specification.
2331 * @param[in] item_flags
2332 * Bit-fields that holds the items detected until now.
2333 * @param[in] last_item
2334 * Previous validated item in the pattern items.
2335 * @param[in] ether_type
2336 * Type in the ethernet layer header (including dot1q).
2337 * @param[in] acc_mask
2338 * Acceptable mask, if NULL default internal default mask
2339 * will be used to check whether item fields are supported.
2341 * Pointer to error structure.
2344 * 0 on success, a negative errno value otherwise and rte_errno is set.
2347 mlx5_flow_validate_item_ipv6(const struct rte_flow_item *item,
2348 uint64_t item_flags,
2350 uint16_t ether_type,
2351 const struct rte_flow_item_ipv6 *acc_mask,
2352 struct rte_flow_error *error)
2354 const struct rte_flow_item_ipv6 *mask = item->mask;
2355 const struct rte_flow_item_ipv6 *spec = item->spec;
2356 const struct rte_flow_item_ipv6 nic_mask = {
2359 "\xff\xff\xff\xff\xff\xff\xff\xff"
2360 "\xff\xff\xff\xff\xff\xff\xff\xff",
2362 "\xff\xff\xff\xff\xff\xff\xff\xff"
2363 "\xff\xff\xff\xff\xff\xff\xff\xff",
2364 .vtc_flow = RTE_BE32(0xffffffff),
2368 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
2369 const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
2370 MLX5_FLOW_LAYER_OUTER_L3;
2371 const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
2372 MLX5_FLOW_LAYER_OUTER_L4;
2374 uint8_t next_proto = 0xFF;
2375 const uint64_t l2_vlan = (MLX5_FLOW_LAYER_L2 |
2376 MLX5_FLOW_LAYER_OUTER_VLAN |
2377 MLX5_FLOW_LAYER_INNER_VLAN);
2379 if ((last_item & l2_vlan) && ether_type &&
2380 ether_type != RTE_ETHER_TYPE_IPV6)
2381 return rte_flow_error_set(error, EINVAL,
2382 RTE_FLOW_ERROR_TYPE_ITEM, item,
2383 "IPv6 cannot follow L2/VLAN layer "
2384 "which ether type is not IPv6");
2385 if (mask && mask->hdr.proto == UINT8_MAX && spec)
2386 next_proto = spec->hdr.proto;
2387 if (item_flags & MLX5_FLOW_LAYER_TUNNEL) {
2388 if (next_proto == IPPROTO_IPIP || next_proto == IPPROTO_IPV6)
2389 return rte_flow_error_set(error, EINVAL,
2390 RTE_FLOW_ERROR_TYPE_ITEM,
2395 if (next_proto == IPPROTO_HOPOPTS ||
2396 next_proto == IPPROTO_ROUTING ||
2397 next_proto == IPPROTO_FRAGMENT ||
2398 next_proto == IPPROTO_ESP ||
2399 next_proto == IPPROTO_AH ||
2400 next_proto == IPPROTO_DSTOPTS)
2401 return rte_flow_error_set(error, EINVAL,
2402 RTE_FLOW_ERROR_TYPE_ITEM, item,
2403 "IPv6 proto (next header) should "
2404 "not be set as extension header");
2405 if (item_flags & MLX5_FLOW_LAYER_IPIP)
2406 return rte_flow_error_set(error, EINVAL,
2407 RTE_FLOW_ERROR_TYPE_ITEM, item,
2408 "wrong tunnel type - IPv4 specified "
2409 "but IPv6 item provided");
2410 if (item_flags & l3m)
2411 return rte_flow_error_set(error, ENOTSUP,
2412 RTE_FLOW_ERROR_TYPE_ITEM, item,
2413 "multiple L3 layers not supported");
2414 else if (item_flags & l4m)
2415 return rte_flow_error_set(error, EINVAL,
2416 RTE_FLOW_ERROR_TYPE_ITEM, item,
2417 "L3 cannot follow an L4 layer.");
2418 else if ((item_flags & MLX5_FLOW_LAYER_NVGRE) &&
2419 !(item_flags & MLX5_FLOW_LAYER_INNER_L2))
2420 return rte_flow_error_set(error, EINVAL,
2421 RTE_FLOW_ERROR_TYPE_ITEM, item,
2422 "L3 cannot follow an NVGRE layer.");
2424 mask = &rte_flow_item_ipv6_mask;
2425 ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
2426 acc_mask ? (const uint8_t *)acc_mask
2427 : (const uint8_t *)&nic_mask,
2428 sizeof(struct rte_flow_item_ipv6),
2429 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
2436 * Validate UDP item.
2439 * Item specification.
2440 * @param[in] item_flags
2441 * Bit-fields that holds the items detected until now.
2442 * @param[in] target_protocol
2443 * The next protocol in the previous item.
2444 * @param[in] flow_mask
2445 * mlx5 flow-specific (DV, verbs, etc.) supported header fields mask.
2447 * Pointer to error structure.
2450 * 0 on success, a negative errno value otherwise and rte_errno is set.
2453 mlx5_flow_validate_item_udp(const struct rte_flow_item *item,
2454 uint64_t item_flags,
2455 uint8_t target_protocol,
2456 struct rte_flow_error *error)
2458 const struct rte_flow_item_udp *mask = item->mask;
2459 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
2460 const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
2461 MLX5_FLOW_LAYER_OUTER_L3;
2462 const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
2463 MLX5_FLOW_LAYER_OUTER_L4;
2466 if (target_protocol != 0xff && target_protocol != IPPROTO_UDP)
2467 return rte_flow_error_set(error, EINVAL,
2468 RTE_FLOW_ERROR_TYPE_ITEM, item,
2469 "protocol filtering not compatible"
2471 if (!(item_flags & l3m))
2472 return rte_flow_error_set(error, EINVAL,
2473 RTE_FLOW_ERROR_TYPE_ITEM, item,
2474 "L3 is mandatory to filter on L4");
2475 if (item_flags & l4m)
2476 return rte_flow_error_set(error, EINVAL,
2477 RTE_FLOW_ERROR_TYPE_ITEM, item,
2478 "multiple L4 layers not supported");
2480 mask = &rte_flow_item_udp_mask;
2481 ret = mlx5_flow_item_acceptable
2482 (item, (const uint8_t *)mask,
2483 (const uint8_t *)&rte_flow_item_udp_mask,
2484 sizeof(struct rte_flow_item_udp), MLX5_ITEM_RANGE_NOT_ACCEPTED,
2492 * Validate TCP item.
2495 * Item specification.
2496 * @param[in] item_flags
2497 * Bit-fields that holds the items detected until now.
2498 * @param[in] target_protocol
2499 * The next protocol in the previous item.
2501 * Pointer to error structure.
2504 * 0 on success, a negative errno value otherwise and rte_errno is set.
2507 mlx5_flow_validate_item_tcp(const struct rte_flow_item *item,
2508 uint64_t item_flags,
2509 uint8_t target_protocol,
2510 const struct rte_flow_item_tcp *flow_mask,
2511 struct rte_flow_error *error)
2513 const struct rte_flow_item_tcp *mask = item->mask;
2514 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
2515 const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
2516 MLX5_FLOW_LAYER_OUTER_L3;
2517 const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
2518 MLX5_FLOW_LAYER_OUTER_L4;
2521 MLX5_ASSERT(flow_mask);
2522 if (target_protocol != 0xff && target_protocol != IPPROTO_TCP)
2523 return rte_flow_error_set(error, EINVAL,
2524 RTE_FLOW_ERROR_TYPE_ITEM, item,
2525 "protocol filtering not compatible"
2527 if (!(item_flags & l3m))
2528 return rte_flow_error_set(error, EINVAL,
2529 RTE_FLOW_ERROR_TYPE_ITEM, item,
2530 "L3 is mandatory to filter on L4");
2531 if (item_flags & l4m)
2532 return rte_flow_error_set(error, EINVAL,
2533 RTE_FLOW_ERROR_TYPE_ITEM, item,
2534 "multiple L4 layers not supported");
2536 mask = &rte_flow_item_tcp_mask;
2537 ret = mlx5_flow_item_acceptable
2538 (item, (const uint8_t *)mask,
2539 (const uint8_t *)flow_mask,
2540 sizeof(struct rte_flow_item_tcp), MLX5_ITEM_RANGE_NOT_ACCEPTED,
2548 * Validate VXLAN item.
2551 * Pointer to the Ethernet device structure.
2552 * @param[in] udp_dport
2553 * UDP destination port
2555 * Item specification.
2556 * @param[in] item_flags
2557 * Bit-fields that holds the items detected until now.
2559 * Flow rule attributes.
2561 * Pointer to error structure.
2564 * 0 on success, a negative errno value otherwise and rte_errno is set.
2567 mlx5_flow_validate_item_vxlan(struct rte_eth_dev *dev,
2569 const struct rte_flow_item *item,
2570 uint64_t item_flags,
2571 const struct rte_flow_attr *attr,
2572 struct rte_flow_error *error)
2574 const struct rte_flow_item_vxlan *spec = item->spec;
2575 const struct rte_flow_item_vxlan *mask = item->mask;
2577 struct mlx5_priv *priv = dev->data->dev_private;
2581 } id = { .vlan_id = 0, };
2582 const struct rte_flow_item_vxlan nic_mask = {
2583 .vni = "\xff\xff\xff",
2586 const struct rte_flow_item_vxlan *valid_mask;
2588 if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
2589 return rte_flow_error_set(error, ENOTSUP,
2590 RTE_FLOW_ERROR_TYPE_ITEM, item,
2591 "multiple tunnel layers not"
2593 valid_mask = &rte_flow_item_vxlan_mask;
2595 * Verify only UDPv4 is present as defined in
2596 * https://tools.ietf.org/html/rfc7348
2598 if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L4_UDP))
2599 return rte_flow_error_set(error, EINVAL,
2600 RTE_FLOW_ERROR_TYPE_ITEM, item,
2601 "no outer UDP layer found");
2603 mask = &rte_flow_item_vxlan_mask;
2605 if (priv->sh->steering_format_version !=
2606 MLX5_STEERING_LOGIC_FORMAT_CONNECTX_5 ||
2607 !udp_dport || udp_dport == MLX5_UDP_PORT_VXLAN) {
2608 /* FDB domain & NIC domain non-zero group */
2609 if ((attr->transfer || attr->group) && priv->sh->misc5_cap)
2610 valid_mask = &nic_mask;
2611 /* Group zero in NIC domain */
2612 if (!attr->group && !attr->transfer &&
2613 priv->sh->tunnel_header_0_1)
2614 valid_mask = &nic_mask;
2616 ret = mlx5_flow_item_acceptable
2617 (item, (const uint8_t *)mask,
2618 (const uint8_t *)valid_mask,
2619 sizeof(struct rte_flow_item_vxlan),
2620 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
2624 memcpy(&id.vni[1], spec->vni, 3);
2625 memcpy(&id.vni[1], mask->vni, 3);
2627 if (!(item_flags & MLX5_FLOW_LAYER_OUTER))
2628 return rte_flow_error_set(error, ENOTSUP,
2629 RTE_FLOW_ERROR_TYPE_ITEM, item,
2630 "VXLAN tunnel must be fully defined");
2635 * Validate VXLAN_GPE item.
2638 * Item specification.
2639 * @param[in] item_flags
2640 * Bit-fields that holds the items detected until now.
2642 * Pointer to the private data structure.
2643 * @param[in] target_protocol
2644 * The next protocol in the previous item.
2646 * Pointer to error structure.
2649 * 0 on success, a negative errno value otherwise and rte_errno is set.
2652 mlx5_flow_validate_item_vxlan_gpe(const struct rte_flow_item *item,
2653 uint64_t item_flags,
2654 struct rte_eth_dev *dev,
2655 struct rte_flow_error *error)
2657 struct mlx5_priv *priv = dev->data->dev_private;
2658 const struct rte_flow_item_vxlan_gpe *spec = item->spec;
2659 const struct rte_flow_item_vxlan_gpe *mask = item->mask;
2664 } id = { .vlan_id = 0, };
2666 if (!priv->config.l3_vxlan_en)
2667 return rte_flow_error_set(error, ENOTSUP,
2668 RTE_FLOW_ERROR_TYPE_ITEM, item,
2669 "L3 VXLAN is not enabled by device"
2670 " parameter and/or not configured in"
2672 if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
2673 return rte_flow_error_set(error, ENOTSUP,
2674 RTE_FLOW_ERROR_TYPE_ITEM, item,
2675 "multiple tunnel layers not"
2678 * Verify only UDPv4 is present as defined in
2679 * https://tools.ietf.org/html/rfc7348
2681 if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L4_UDP))
2682 return rte_flow_error_set(error, EINVAL,
2683 RTE_FLOW_ERROR_TYPE_ITEM, item,
2684 "no outer UDP layer found");
2686 mask = &rte_flow_item_vxlan_gpe_mask;
2687 ret = mlx5_flow_item_acceptable
2688 (item, (const uint8_t *)mask,
2689 (const uint8_t *)&rte_flow_item_vxlan_gpe_mask,
2690 sizeof(struct rte_flow_item_vxlan_gpe),
2691 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
2696 return rte_flow_error_set(error, ENOTSUP,
2697 RTE_FLOW_ERROR_TYPE_ITEM,
2699 "VxLAN-GPE protocol"
2701 memcpy(&id.vni[1], spec->vni, 3);
2702 memcpy(&id.vni[1], mask->vni, 3);
2704 if (!(item_flags & MLX5_FLOW_LAYER_OUTER))
2705 return rte_flow_error_set(error, ENOTSUP,
2706 RTE_FLOW_ERROR_TYPE_ITEM, item,
2707 "VXLAN-GPE tunnel must be fully"
2712 * Validate GRE Key item.
2715 * Item specification.
2716 * @param[in] item_flags
2717 * Bit flags to mark detected items.
2718 * @param[in] gre_item
2719 * Pointer to gre_item
2721 * Pointer to error structure.
2724 * 0 on success, a negative errno value otherwise and rte_errno is set.
2727 mlx5_flow_validate_item_gre_key(const struct rte_flow_item *item,
2728 uint64_t item_flags,
2729 const struct rte_flow_item *gre_item,
2730 struct rte_flow_error *error)
2732 const rte_be32_t *mask = item->mask;
2734 rte_be32_t gre_key_default_mask = RTE_BE32(UINT32_MAX);
2735 const struct rte_flow_item_gre *gre_spec;
2736 const struct rte_flow_item_gre *gre_mask;
2738 if (item_flags & MLX5_FLOW_LAYER_GRE_KEY)
2739 return rte_flow_error_set(error, ENOTSUP,
2740 RTE_FLOW_ERROR_TYPE_ITEM, item,
2741 "Multiple GRE key not support");
2742 if (!(item_flags & MLX5_FLOW_LAYER_GRE))
2743 return rte_flow_error_set(error, ENOTSUP,
2744 RTE_FLOW_ERROR_TYPE_ITEM, item,
2745 "No preceding GRE header");
2746 if (item_flags & MLX5_FLOW_LAYER_INNER)
2747 return rte_flow_error_set(error, ENOTSUP,
2748 RTE_FLOW_ERROR_TYPE_ITEM, item,
2749 "GRE key following a wrong item");
2750 gre_mask = gre_item->mask;
2752 gre_mask = &rte_flow_item_gre_mask;
2753 gre_spec = gre_item->spec;
2754 if (gre_spec && (gre_mask->c_rsvd0_ver & RTE_BE16(0x2000)) &&
2755 !(gre_spec->c_rsvd0_ver & RTE_BE16(0x2000)))
2756 return rte_flow_error_set(error, EINVAL,
2757 RTE_FLOW_ERROR_TYPE_ITEM, item,
2758 "Key bit must be on");
2761 mask = &gre_key_default_mask;
2762 ret = mlx5_flow_item_acceptable
2763 (item, (const uint8_t *)mask,
2764 (const uint8_t *)&gre_key_default_mask,
2765 sizeof(rte_be32_t), MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
2770 * Validate GRE item.
2773 * Item specification.
2774 * @param[in] item_flags
2775 * Bit flags to mark detected items.
2776 * @param[in] target_protocol
2777 * The next protocol in the previous item.
2779 * Pointer to error structure.
2782 * 0 on success, a negative errno value otherwise and rte_errno is set.
2785 mlx5_flow_validate_item_gre(const struct rte_flow_item *item,
2786 uint64_t item_flags,
2787 uint8_t target_protocol,
2788 struct rte_flow_error *error)
2790 const struct rte_flow_item_gre *spec __rte_unused = item->spec;
2791 const struct rte_flow_item_gre *mask = item->mask;
2793 const struct rte_flow_item_gre nic_mask = {
2794 .c_rsvd0_ver = RTE_BE16(0xB000),
2795 .protocol = RTE_BE16(UINT16_MAX),
2798 if (target_protocol != 0xff && target_protocol != IPPROTO_GRE)
2799 return rte_flow_error_set(error, EINVAL,
2800 RTE_FLOW_ERROR_TYPE_ITEM, item,
2801 "protocol filtering not compatible"
2802 " with this GRE layer");
2803 if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
2804 return rte_flow_error_set(error, ENOTSUP,
2805 RTE_FLOW_ERROR_TYPE_ITEM, item,
2806 "multiple tunnel layers not"
2808 if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L3))
2809 return rte_flow_error_set(error, ENOTSUP,
2810 RTE_FLOW_ERROR_TYPE_ITEM, item,
2811 "L3 Layer is missing");
2813 mask = &rte_flow_item_gre_mask;
2814 ret = mlx5_flow_item_acceptable
2815 (item, (const uint8_t *)mask,
2816 (const uint8_t *)&nic_mask,
2817 sizeof(struct rte_flow_item_gre), MLX5_ITEM_RANGE_NOT_ACCEPTED,
2821 #ifndef HAVE_MLX5DV_DR
2822 #ifndef HAVE_IBV_DEVICE_MPLS_SUPPORT
2823 if (spec && (spec->protocol & mask->protocol))
2824 return rte_flow_error_set(error, ENOTSUP,
2825 RTE_FLOW_ERROR_TYPE_ITEM, item,
2826 "without MPLS support the"
2827 " specification cannot be used for"
2835 * Validate Geneve item.
2838 * Item specification.
2839 * @param[in] itemFlags
2840 * Bit-fields that holds the items detected until now.
2842 * Pointer to the private data structure.
2844 * Pointer to error structure.
2847 * 0 on success, a negative errno value otherwise and rte_errno is set.
2851 mlx5_flow_validate_item_geneve(const struct rte_flow_item *item,
2852 uint64_t item_flags,
2853 struct rte_eth_dev *dev,
2854 struct rte_flow_error *error)
2856 struct mlx5_priv *priv = dev->data->dev_private;
2857 const struct rte_flow_item_geneve *spec = item->spec;
2858 const struct rte_flow_item_geneve *mask = item->mask;
2861 uint8_t opt_len = priv->config.hca_attr.geneve_max_opt_len ?
2862 MLX5_GENEVE_OPT_LEN_1 : MLX5_GENEVE_OPT_LEN_0;
2863 const struct rte_flow_item_geneve nic_mask = {
2864 .ver_opt_len_o_c_rsvd0 = RTE_BE16(0x3f80),
2865 .vni = "\xff\xff\xff",
2866 .protocol = RTE_BE16(UINT16_MAX),
2869 if (!priv->config.hca_attr.tunnel_stateless_geneve_rx)
2870 return rte_flow_error_set(error, ENOTSUP,
2871 RTE_FLOW_ERROR_TYPE_ITEM, item,
2872 "L3 Geneve is not enabled by device"
2873 " parameter and/or not configured in"
2875 if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
2876 return rte_flow_error_set(error, ENOTSUP,
2877 RTE_FLOW_ERROR_TYPE_ITEM, item,
2878 "multiple tunnel layers not"
2881 * Verify only UDPv4 is present as defined in
2882 * https://tools.ietf.org/html/rfc7348
2884 if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L4_UDP))
2885 return rte_flow_error_set(error, EINVAL,
2886 RTE_FLOW_ERROR_TYPE_ITEM, item,
2887 "no outer UDP layer found");
2889 mask = &rte_flow_item_geneve_mask;
2890 ret = mlx5_flow_item_acceptable
2891 (item, (const uint8_t *)mask,
2892 (const uint8_t *)&nic_mask,
2893 sizeof(struct rte_flow_item_geneve),
2894 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
2898 gbhdr = rte_be_to_cpu_16(spec->ver_opt_len_o_c_rsvd0);
2899 if (MLX5_GENEVE_VER_VAL(gbhdr) ||
2900 MLX5_GENEVE_CRITO_VAL(gbhdr) ||
2901 MLX5_GENEVE_RSVD_VAL(gbhdr) || spec->rsvd1)
2902 return rte_flow_error_set(error, ENOTSUP,
2903 RTE_FLOW_ERROR_TYPE_ITEM,
2905 "Geneve protocol unsupported"
2906 " fields are being used");
2907 if (MLX5_GENEVE_OPTLEN_VAL(gbhdr) > opt_len)
2908 return rte_flow_error_set
2910 RTE_FLOW_ERROR_TYPE_ITEM,
2912 "Unsupported Geneve options length");
2914 if (!(item_flags & MLX5_FLOW_LAYER_OUTER))
2915 return rte_flow_error_set
2917 RTE_FLOW_ERROR_TYPE_ITEM, item,
2918 "Geneve tunnel must be fully defined");
2923 * Validate Geneve TLV option item.
2926 * Item specification.
2927 * @param[in] last_item
2928 * Previous validated item in the pattern items.
2929 * @param[in] geneve_item
2930 * Previous GENEVE item specification.
2932 * Pointer to the rte_eth_dev structure.
2934 * Pointer to error structure.
2937 * 0 on success, a negative errno value otherwise and rte_errno is set.
2940 mlx5_flow_validate_item_geneve_opt(const struct rte_flow_item *item,
2942 const struct rte_flow_item *geneve_item,
2943 struct rte_eth_dev *dev,
2944 struct rte_flow_error *error)
2946 struct mlx5_priv *priv = dev->data->dev_private;
2947 struct mlx5_dev_ctx_shared *sh = priv->sh;
2948 struct mlx5_geneve_tlv_option_resource *geneve_opt_resource;
2949 struct mlx5_hca_attr *hca_attr = &priv->config.hca_attr;
2950 uint8_t data_max_supported =
2951 hca_attr->max_geneve_tlv_option_data_len * 4;
2952 struct mlx5_dev_config *config = &priv->config;
2953 const struct rte_flow_item_geneve *geneve_spec;
2954 const struct rte_flow_item_geneve *geneve_mask;
2955 const struct rte_flow_item_geneve_opt *spec = item->spec;
2956 const struct rte_flow_item_geneve_opt *mask = item->mask;
2958 unsigned int data_len;
2959 uint8_t tlv_option_len;
2960 uint16_t optlen_m, optlen_v;
2961 const struct rte_flow_item_geneve_opt full_mask = {
2962 .option_class = RTE_BE16(0xffff),
2963 .option_type = 0xff,
2968 mask = &rte_flow_item_geneve_opt_mask;
2970 return rte_flow_error_set
2971 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
2972 "Geneve TLV opt class/type/length must be specified");
2973 if ((uint32_t)spec->option_len > MLX5_GENEVE_OPTLEN_MASK)
2974 return rte_flow_error_set
2975 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
2976 "Geneve TLV opt length exceeeds the limit (31)");
2977 /* Check if class type and length masks are full. */
2978 if (full_mask.option_class != mask->option_class ||
2979 full_mask.option_type != mask->option_type ||
2980 full_mask.option_len != (mask->option_len & full_mask.option_len))
2981 return rte_flow_error_set
2982 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
2983 "Geneve TLV opt class/type/length masks must be full");
2984 /* Check if length is supported */
2985 if ((uint32_t)spec->option_len >
2986 config->hca_attr.max_geneve_tlv_option_data_len)
2987 return rte_flow_error_set
2988 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
2989 "Geneve TLV opt length not supported");
2990 if (config->hca_attr.max_geneve_tlv_options > 1)
2992 "max_geneve_tlv_options supports more than 1 option");
2993 /* Check GENEVE item preceding. */
2994 if (!geneve_item || !(last_item & MLX5_FLOW_LAYER_GENEVE))
2995 return rte_flow_error_set
2996 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
2997 "Geneve opt item must be preceded with Geneve item");
2998 geneve_spec = geneve_item->spec;
2999 geneve_mask = geneve_item->mask ? geneve_item->mask :
3000 &rte_flow_item_geneve_mask;
3001 /* Check if GENEVE TLV option size doesn't exceed option length */
3002 if (geneve_spec && (geneve_mask->ver_opt_len_o_c_rsvd0 ||
3003 geneve_spec->ver_opt_len_o_c_rsvd0)) {
3004 tlv_option_len = spec->option_len & mask->option_len;
3005 optlen_v = rte_be_to_cpu_16(geneve_spec->ver_opt_len_o_c_rsvd0);
3006 optlen_v = MLX5_GENEVE_OPTLEN_VAL(optlen_v);
3007 optlen_m = rte_be_to_cpu_16(geneve_mask->ver_opt_len_o_c_rsvd0);
3008 optlen_m = MLX5_GENEVE_OPTLEN_VAL(optlen_m);
3009 if ((optlen_v & optlen_m) <= tlv_option_len)
3010 return rte_flow_error_set
3011 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
3012 "GENEVE TLV option length exceeds optlen");
3014 /* Check if length is 0 or data is 0. */
3015 if (spec->data == NULL || spec->option_len == 0)
3016 return rte_flow_error_set
3017 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
3018 "Geneve TLV opt with zero data/length not supported");
3019 /* Check not all data & mask are 0. */
3020 data_len = spec->option_len * 4;
3021 if (mask->data == NULL) {
3022 for (i = 0; i < data_len; i++)
3026 return rte_flow_error_set(error, ENOTSUP,
3027 RTE_FLOW_ERROR_TYPE_ITEM, item,
3028 "Can't match on Geneve option data 0");
3030 for (i = 0; i < data_len; i++)
3031 if (spec->data[i] & mask->data[i])
3034 return rte_flow_error_set(error, ENOTSUP,
3035 RTE_FLOW_ERROR_TYPE_ITEM, item,
3036 "Can't match on Geneve option data and mask 0");
3037 /* Check data mask supported. */
3038 for (i = data_max_supported; i < data_len ; i++)
3040 return rte_flow_error_set(error, ENOTSUP,
3041 RTE_FLOW_ERROR_TYPE_ITEM, item,
3042 "Data mask is of unsupported size");
3044 /* Check GENEVE option is supported in NIC. */
3045 if (!config->hca_attr.geneve_tlv_opt)
3046 return rte_flow_error_set
3047 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
3048 "Geneve TLV opt not supported");
3049 /* Check if we already have geneve option with different type/class. */
3050 rte_spinlock_lock(&sh->geneve_tlv_opt_sl);
3051 geneve_opt_resource = sh->geneve_tlv_option_resource;
3052 if (geneve_opt_resource != NULL)
3053 if (geneve_opt_resource->option_class != spec->option_class ||
3054 geneve_opt_resource->option_type != spec->option_type ||
3055 geneve_opt_resource->length != spec->option_len) {
3056 rte_spinlock_unlock(&sh->geneve_tlv_opt_sl);
3057 return rte_flow_error_set(error, ENOTSUP,
3058 RTE_FLOW_ERROR_TYPE_ITEM, item,
3059 "Only one Geneve TLV option supported");
3061 rte_spinlock_unlock(&sh->geneve_tlv_opt_sl);
3066 * Validate MPLS item.
3069 * Pointer to the rte_eth_dev structure.
3071 * Item specification.
3072 * @param[in] item_flags
3073 * Bit-fields that holds the items detected until now.
3074 * @param[in] prev_layer
3075 * The protocol layer indicated in previous item.
3077 * Pointer to error structure.
3080 * 0 on success, a negative errno value otherwise and rte_errno is set.
3083 mlx5_flow_validate_item_mpls(struct rte_eth_dev *dev __rte_unused,
3084 const struct rte_flow_item *item __rte_unused,
3085 uint64_t item_flags __rte_unused,
3086 uint64_t prev_layer __rte_unused,
3087 struct rte_flow_error *error)
3089 #ifdef HAVE_IBV_DEVICE_MPLS_SUPPORT
3090 const struct rte_flow_item_mpls *mask = item->mask;
3091 struct mlx5_priv *priv = dev->data->dev_private;
3094 if (!priv->config.mpls_en)
3095 return rte_flow_error_set(error, ENOTSUP,
3096 RTE_FLOW_ERROR_TYPE_ITEM, item,
3097 "MPLS not supported or"
3098 " disabled in firmware"
3100 /* MPLS over UDP, GRE is allowed */
3101 if (!(prev_layer & (MLX5_FLOW_LAYER_OUTER_L4_UDP |
3102 MLX5_FLOW_LAYER_GRE |
3103 MLX5_FLOW_LAYER_GRE_KEY)))
3104 return rte_flow_error_set(error, EINVAL,
3105 RTE_FLOW_ERROR_TYPE_ITEM, item,
3106 "protocol filtering not compatible"
3107 " with MPLS layer");
3108 /* Multi-tunnel isn't allowed but MPLS over GRE is an exception. */
3109 if ((item_flags & MLX5_FLOW_LAYER_TUNNEL) &&
3110 !(item_flags & MLX5_FLOW_LAYER_GRE))
3111 return rte_flow_error_set(error, ENOTSUP,
3112 RTE_FLOW_ERROR_TYPE_ITEM, item,
3113 "multiple tunnel layers not"
3116 mask = &rte_flow_item_mpls_mask;
3117 ret = mlx5_flow_item_acceptable
3118 (item, (const uint8_t *)mask,
3119 (const uint8_t *)&rte_flow_item_mpls_mask,
3120 sizeof(struct rte_flow_item_mpls),
3121 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
3126 return rte_flow_error_set(error, ENOTSUP,
3127 RTE_FLOW_ERROR_TYPE_ITEM, item,
3128 "MPLS is not supported by Verbs, please"
3134 * Validate NVGRE item.
3137 * Item specification.
3138 * @param[in] item_flags
3139 * Bit flags to mark detected items.
3140 * @param[in] target_protocol
3141 * The next protocol in the previous item.
3143 * Pointer to error structure.
3146 * 0 on success, a negative errno value otherwise and rte_errno is set.
3149 mlx5_flow_validate_item_nvgre(const struct rte_flow_item *item,
3150 uint64_t item_flags,
3151 uint8_t target_protocol,
3152 struct rte_flow_error *error)
3154 const struct rte_flow_item_nvgre *mask = item->mask;
3157 if (target_protocol != 0xff && target_protocol != IPPROTO_GRE)
3158 return rte_flow_error_set(error, EINVAL,
3159 RTE_FLOW_ERROR_TYPE_ITEM, item,
3160 "protocol filtering not compatible"
3161 " with this GRE layer");
3162 if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
3163 return rte_flow_error_set(error, ENOTSUP,
3164 RTE_FLOW_ERROR_TYPE_ITEM, item,
3165 "multiple tunnel layers not"
3167 if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L3))
3168 return rte_flow_error_set(error, ENOTSUP,
3169 RTE_FLOW_ERROR_TYPE_ITEM, item,
3170 "L3 Layer is missing");
3172 mask = &rte_flow_item_nvgre_mask;
3173 ret = mlx5_flow_item_acceptable
3174 (item, (const uint8_t *)mask,
3175 (const uint8_t *)&rte_flow_item_nvgre_mask,
3176 sizeof(struct rte_flow_item_nvgre),
3177 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
3184 * Validate eCPRI item.
3187 * Item specification.
3188 * @param[in] item_flags
3189 * Bit-fields that holds the items detected until now.
3190 * @param[in] last_item
3191 * Previous validated item in the pattern items.
3192 * @param[in] ether_type
3193 * Type in the ethernet layer header (including dot1q).
3194 * @param[in] acc_mask
3195 * Acceptable mask, if NULL default internal default mask
3196 * will be used to check whether item fields are supported.
3198 * Pointer to error structure.
3201 * 0 on success, a negative errno value otherwise and rte_errno is set.
3204 mlx5_flow_validate_item_ecpri(const struct rte_flow_item *item,
3205 uint64_t item_flags,
3207 uint16_t ether_type,
3208 const struct rte_flow_item_ecpri *acc_mask,
3209 struct rte_flow_error *error)
3211 const struct rte_flow_item_ecpri *mask = item->mask;
3212 const struct rte_flow_item_ecpri nic_mask = {
3216 RTE_BE32(((const struct rte_ecpri_common_hdr) {
3220 .dummy[0] = 0xFFFFFFFF,
3223 const uint64_t outer_l2_vlan = (MLX5_FLOW_LAYER_OUTER_L2 |
3224 MLX5_FLOW_LAYER_OUTER_VLAN);
3225 struct rte_flow_item_ecpri mask_lo;
3227 if (!(last_item & outer_l2_vlan) &&
3228 last_item != MLX5_FLOW_LAYER_OUTER_L4_UDP)
3229 return rte_flow_error_set(error, EINVAL,
3230 RTE_FLOW_ERROR_TYPE_ITEM, item,
3231 "eCPRI can only follow L2/VLAN layer or UDP layer");
3232 if ((last_item & outer_l2_vlan) && ether_type &&
3233 ether_type != RTE_ETHER_TYPE_ECPRI)
3234 return rte_flow_error_set(error, EINVAL,
3235 RTE_FLOW_ERROR_TYPE_ITEM, item,
3236 "eCPRI cannot follow L2/VLAN layer which ether type is not 0xAEFE");
3237 if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
3238 return rte_flow_error_set(error, EINVAL,
3239 RTE_FLOW_ERROR_TYPE_ITEM, item,
3240 "eCPRI with tunnel is not supported right now");
3241 if (item_flags & MLX5_FLOW_LAYER_OUTER_L3)
3242 return rte_flow_error_set(error, ENOTSUP,
3243 RTE_FLOW_ERROR_TYPE_ITEM, item,
3244 "multiple L3 layers not supported");
3245 else if (item_flags & MLX5_FLOW_LAYER_OUTER_L4_TCP)
3246 return rte_flow_error_set(error, EINVAL,
3247 RTE_FLOW_ERROR_TYPE_ITEM, item,
3248 "eCPRI cannot coexist with a TCP layer");
3249 /* In specification, eCPRI could be over UDP layer. */
3250 else if (item_flags & MLX5_FLOW_LAYER_OUTER_L4_UDP)
3251 return rte_flow_error_set(error, EINVAL,
3252 RTE_FLOW_ERROR_TYPE_ITEM, item,
3253 "eCPRI over UDP layer is not yet supported right now");
3254 /* Mask for type field in common header could be zero. */
3256 mask = &rte_flow_item_ecpri_mask;
3257 mask_lo.hdr.common.u32 = rte_be_to_cpu_32(mask->hdr.common.u32);
3258 /* Input mask is in big-endian format. */
3259 if (mask_lo.hdr.common.type != 0 && mask_lo.hdr.common.type != 0xff)
3260 return rte_flow_error_set(error, EINVAL,
3261 RTE_FLOW_ERROR_TYPE_ITEM_MASK, mask,
3262 "partial mask is not supported for protocol");
3263 else if (mask_lo.hdr.common.type == 0 && mask->hdr.dummy[0] != 0)
3264 return rte_flow_error_set(error, EINVAL,
3265 RTE_FLOW_ERROR_TYPE_ITEM_MASK, mask,
3266 "message header mask must be after a type mask");
3267 return mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
3268 acc_mask ? (const uint8_t *)acc_mask
3269 : (const uint8_t *)&nic_mask,
3270 sizeof(struct rte_flow_item_ecpri),
3271 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
3275 flow_null_validate(struct rte_eth_dev *dev __rte_unused,
3276 const struct rte_flow_attr *attr __rte_unused,
3277 const struct rte_flow_item items[] __rte_unused,
3278 const struct rte_flow_action actions[] __rte_unused,
3279 bool external __rte_unused,
3280 int hairpin __rte_unused,
3281 struct rte_flow_error *error)
3283 return rte_flow_error_set(error, ENOTSUP,
3284 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, NULL);
3287 static struct mlx5_flow *
3288 flow_null_prepare(struct rte_eth_dev *dev __rte_unused,
3289 const struct rte_flow_attr *attr __rte_unused,
3290 const struct rte_flow_item items[] __rte_unused,
3291 const struct rte_flow_action actions[] __rte_unused,
3292 struct rte_flow_error *error)
3294 rte_flow_error_set(error, ENOTSUP,
3295 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, NULL);
3300 flow_null_translate(struct rte_eth_dev *dev __rte_unused,
3301 struct mlx5_flow *dev_flow __rte_unused,
3302 const struct rte_flow_attr *attr __rte_unused,
3303 const struct rte_flow_item items[] __rte_unused,
3304 const struct rte_flow_action actions[] __rte_unused,
3305 struct rte_flow_error *error)
3307 return rte_flow_error_set(error, ENOTSUP,
3308 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, NULL);
3312 flow_null_apply(struct rte_eth_dev *dev __rte_unused,
3313 struct rte_flow *flow __rte_unused,
3314 struct rte_flow_error *error)
3316 return rte_flow_error_set(error, ENOTSUP,
3317 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, NULL);
3321 flow_null_remove(struct rte_eth_dev *dev __rte_unused,
3322 struct rte_flow *flow __rte_unused)
3327 flow_null_destroy(struct rte_eth_dev *dev __rte_unused,
3328 struct rte_flow *flow __rte_unused)
3333 flow_null_query(struct rte_eth_dev *dev __rte_unused,
3334 struct rte_flow *flow __rte_unused,
3335 const struct rte_flow_action *actions __rte_unused,
3336 void *data __rte_unused,
3337 struct rte_flow_error *error)
3339 return rte_flow_error_set(error, ENOTSUP,
3340 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, NULL);
3344 flow_null_sync_domain(struct rte_eth_dev *dev __rte_unused,
3345 uint32_t domains __rte_unused,
3346 uint32_t flags __rte_unused)
3351 /* Void driver to protect from null pointer reference. */
3352 const struct mlx5_flow_driver_ops mlx5_flow_null_drv_ops = {
3353 .validate = flow_null_validate,
3354 .prepare = flow_null_prepare,
3355 .translate = flow_null_translate,
3356 .apply = flow_null_apply,
3357 .remove = flow_null_remove,
3358 .destroy = flow_null_destroy,
3359 .query = flow_null_query,
3360 .sync_domain = flow_null_sync_domain,
3364 * Select flow driver type according to flow attributes and device
3368 * Pointer to the dev structure.
3370 * Pointer to the flow attributes.
3373 * flow driver type, MLX5_FLOW_TYPE_MAX otherwise.
3375 static enum mlx5_flow_drv_type
3376 flow_get_drv_type(struct rte_eth_dev *dev, const struct rte_flow_attr *attr)
3378 struct mlx5_priv *priv = dev->data->dev_private;
3379 /* The OS can determine first a specific flow type (DV, VERBS) */
3380 enum mlx5_flow_drv_type type = mlx5_flow_os_get_type();
3382 if (type != MLX5_FLOW_TYPE_MAX)
3384 /* If no OS specific type - continue with DV/VERBS selection */
3385 if (attr->transfer && priv->config.dv_esw_en)
3386 type = MLX5_FLOW_TYPE_DV;
3387 if (!attr->transfer)
3388 type = priv->config.dv_flow_en ? MLX5_FLOW_TYPE_DV :
3389 MLX5_FLOW_TYPE_VERBS;
3393 #define flow_get_drv_ops(type) flow_drv_ops[type]
3396 * Flow driver validation API. This abstracts calling driver specific functions.
3397 * The type of flow driver is determined according to flow attributes.
3400 * Pointer to the dev structure.
3402 * Pointer to the flow attributes.
3404 * Pointer to the list of items.
3405 * @param[in] actions
3406 * Pointer to the list of actions.
3407 * @param[in] external
3408 * This flow rule is created by request external to PMD.
3409 * @param[in] hairpin
3410 * Number of hairpin TX actions, 0 means classic flow.
3412 * Pointer to the error structure.
3415 * 0 on success, a negative errno value otherwise and rte_errno is set.
3418 flow_drv_validate(struct rte_eth_dev *dev,
3419 const struct rte_flow_attr *attr,
3420 const struct rte_flow_item items[],
3421 const struct rte_flow_action actions[],
3422 bool external, int hairpin, struct rte_flow_error *error)
3424 const struct mlx5_flow_driver_ops *fops;
3425 enum mlx5_flow_drv_type type = flow_get_drv_type(dev, attr);
3427 fops = flow_get_drv_ops(type);
3428 return fops->validate(dev, attr, items, actions, external,
3433 * Flow driver preparation API. This abstracts calling driver specific
3434 * functions. Parent flow (rte_flow) should have driver type (drv_type). It
3435 * calculates the size of memory required for device flow, allocates the memory,
3436 * initializes the device flow and returns the pointer.
3439 * This function initializes device flow structure such as dv or verbs in
3440 * struct mlx5_flow. However, it is caller's responsibility to initialize the
3441 * rest. For example, adding returning device flow to flow->dev_flow list and
3442 * setting backward reference to the flow should be done out of this function.
3443 * layers field is not filled either.
3446 * Pointer to the dev structure.
3448 * Pointer to the flow attributes.
3450 * Pointer to the list of items.
3451 * @param[in] actions
3452 * Pointer to the list of actions.
3453 * @param[in] flow_idx
3454 * This memory pool index to the flow.
3456 * Pointer to the error structure.
3459 * Pointer to device flow on success, otherwise NULL and rte_errno is set.
3461 static inline struct mlx5_flow *
3462 flow_drv_prepare(struct rte_eth_dev *dev,
3463 const struct rte_flow *flow,
3464 const struct rte_flow_attr *attr,
3465 const struct rte_flow_item items[],
3466 const struct rte_flow_action actions[],
3468 struct rte_flow_error *error)
3470 const struct mlx5_flow_driver_ops *fops;
3471 enum mlx5_flow_drv_type type = flow->drv_type;
3472 struct mlx5_flow *mlx5_flow = NULL;
3474 MLX5_ASSERT(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
3475 fops = flow_get_drv_ops(type);
3476 mlx5_flow = fops->prepare(dev, attr, items, actions, error);
3478 mlx5_flow->flow_idx = flow_idx;
3483 * Flow driver translation API. This abstracts calling driver specific
3484 * functions. Parent flow (rte_flow) should have driver type (drv_type). It
3485 * translates a generic flow into a driver flow. flow_drv_prepare() must
3489 * dev_flow->layers could be filled as a result of parsing during translation
3490 * if needed by flow_drv_apply(). dev_flow->flow->actions can also be filled
3491 * if necessary. As a flow can have multiple dev_flows by RSS flow expansion,
3492 * flow->actions could be overwritten even though all the expanded dev_flows
3493 * have the same actions.
3496 * Pointer to the rte dev structure.
3497 * @param[in, out] dev_flow
3498 * Pointer to the mlx5 flow.
3500 * Pointer to the flow attributes.
3502 * Pointer to the list of items.
3503 * @param[in] actions
3504 * Pointer to the list of actions.
3506 * Pointer to the error structure.
3509 * 0 on success, a negative errno value otherwise and rte_errno is set.
3512 flow_drv_translate(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow,
3513 const struct rte_flow_attr *attr,
3514 const struct rte_flow_item items[],
3515 const struct rte_flow_action actions[],
3516 struct rte_flow_error *error)
3518 const struct mlx5_flow_driver_ops *fops;
3519 enum mlx5_flow_drv_type type = dev_flow->flow->drv_type;
3521 MLX5_ASSERT(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
3522 fops = flow_get_drv_ops(type);
3523 return fops->translate(dev, dev_flow, attr, items, actions, error);
3527 * Flow driver apply API. This abstracts calling driver specific functions.
3528 * Parent flow (rte_flow) should have driver type (drv_type). It applies
3529 * translated driver flows on to device. flow_drv_translate() must precede.
3532 * Pointer to Ethernet device structure.
3533 * @param[in, out] flow
3534 * Pointer to flow structure.
3536 * Pointer to error structure.
3539 * 0 on success, a negative errno value otherwise and rte_errno is set.
3542 flow_drv_apply(struct rte_eth_dev *dev, struct rte_flow *flow,
3543 struct rte_flow_error *error)
3545 const struct mlx5_flow_driver_ops *fops;
3546 enum mlx5_flow_drv_type type = flow->drv_type;
3548 MLX5_ASSERT(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
3549 fops = flow_get_drv_ops(type);
3550 return fops->apply(dev, flow, error);
3554 * Flow driver destroy API. This abstracts calling driver specific functions.
3555 * Parent flow (rte_flow) should have driver type (drv_type). It removes a flow
3556 * on device and releases resources of the flow.
3559 * Pointer to Ethernet device.
3560 * @param[in, out] flow
3561 * Pointer to flow structure.
3564 flow_drv_destroy(struct rte_eth_dev *dev, struct rte_flow *flow)
3566 const struct mlx5_flow_driver_ops *fops;
3567 enum mlx5_flow_drv_type type = flow->drv_type;
3569 MLX5_ASSERT(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
3570 fops = flow_get_drv_ops(type);
3571 fops->destroy(dev, flow);
3575 * Flow driver find RSS policy tbl API. This abstracts calling driver
3576 * specific functions. Parent flow (rte_flow) should have driver
3577 * type (drv_type). It will find the RSS policy table that has the rss_desc.
3580 * Pointer to Ethernet device.
3581 * @param[in, out] flow
3582 * Pointer to flow structure.
3584 * Pointer to meter policy table.
3585 * @param[in] rss_desc
3586 * Pointer to rss_desc
3588 static struct mlx5_flow_meter_sub_policy *
3589 flow_drv_meter_sub_policy_rss_prepare(struct rte_eth_dev *dev,
3590 struct rte_flow *flow,
3591 struct mlx5_flow_meter_policy *policy,
3592 struct mlx5_flow_rss_desc *rss_desc[MLX5_MTR_RTE_COLORS])
3594 const struct mlx5_flow_driver_ops *fops;
3595 enum mlx5_flow_drv_type type = flow->drv_type;
3597 MLX5_ASSERT(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
3598 fops = flow_get_drv_ops(type);
3599 return fops->meter_sub_policy_rss_prepare(dev, policy, rss_desc);
3603 * Flow driver color tag rule API. This abstracts calling driver
3604 * specific functions. Parent flow (rte_flow) should have driver
3605 * type (drv_type). It will create the color tag rules in hierarchy meter.
3608 * Pointer to Ethernet device.
3609 * @param[in, out] flow
3610 * Pointer to flow structure.
3612 * Pointer to flow meter structure.
3613 * @param[in] src_port
3614 * The src port this extra rule should use.
3616 * The src port id match item.
3618 * Pointer to error structure.
3621 flow_drv_mtr_hierarchy_rule_create(struct rte_eth_dev *dev,
3622 struct rte_flow *flow,
3623 struct mlx5_flow_meter_info *fm,
3625 const struct rte_flow_item *item,
3626 struct rte_flow_error *error)
3628 const struct mlx5_flow_driver_ops *fops;
3629 enum mlx5_flow_drv_type type = flow->drv_type;
3631 MLX5_ASSERT(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
3632 fops = flow_get_drv_ops(type);
3633 return fops->meter_hierarchy_rule_create(dev, fm,
3634 src_port, item, error);
3638 * Get RSS action from the action list.
3641 * Pointer to Ethernet device.
3642 * @param[in] actions
3643 * Pointer to the list of actions.
3645 * Parent flow structure pointer.
3648 * Pointer to the RSS action if exist, else return NULL.
3650 static const struct rte_flow_action_rss*
3651 flow_get_rss_action(struct rte_eth_dev *dev,
3652 const struct rte_flow_action actions[])
3654 struct mlx5_priv *priv = dev->data->dev_private;
3655 const struct rte_flow_action_rss *rss = NULL;
3656 struct mlx5_meter_policy_action_container *acg;
3657 struct mlx5_meter_policy_action_container *acy;
3659 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
3660 switch (actions->type) {
3661 case RTE_FLOW_ACTION_TYPE_RSS:
3662 rss = actions->conf;
3664 case RTE_FLOW_ACTION_TYPE_SAMPLE:
3666 const struct rte_flow_action_sample *sample =
3668 const struct rte_flow_action *act = sample->actions;
3669 for (; act->type != RTE_FLOW_ACTION_TYPE_END; act++)
3670 if (act->type == RTE_FLOW_ACTION_TYPE_RSS)
3674 case RTE_FLOW_ACTION_TYPE_METER:
3677 struct mlx5_flow_meter_info *fm;
3678 struct mlx5_flow_meter_policy *policy;
3679 const struct rte_flow_action_meter *mtr = actions->conf;
3681 fm = mlx5_flow_meter_find(priv, mtr->mtr_id, &mtr_idx);
3682 if (fm && !fm->def_policy) {
3683 policy = mlx5_flow_meter_policy_find(dev,
3684 fm->policy_id, NULL);
3685 MLX5_ASSERT(policy);
3686 if (policy->is_hierarchy) {
3688 mlx5_flow_meter_hierarchy_get_final_policy(dev,
3693 if (policy->is_rss) {
3695 &policy->act_cnt[RTE_COLOR_GREEN];
3697 &policy->act_cnt[RTE_COLOR_YELLOW];
3698 if (acg->fate_action ==
3699 MLX5_FLOW_FATE_SHARED_RSS)
3700 rss = acg->rss->conf;
3701 else if (acy->fate_action ==
3702 MLX5_FLOW_FATE_SHARED_RSS)
3703 rss = acy->rss->conf;
3716 * Get ASO age action by index.
3719 * Pointer to the Ethernet device structure.
3720 * @param[in] age_idx
3721 * Index to the ASO age action.
3724 * The specified ASO age action.
3726 struct mlx5_aso_age_action*
3727 flow_aso_age_get_by_idx(struct rte_eth_dev *dev, uint32_t age_idx)
3729 uint16_t pool_idx = age_idx & UINT16_MAX;
3730 uint16_t offset = (age_idx >> 16) & UINT16_MAX;
3731 struct mlx5_priv *priv = dev->data->dev_private;
3732 struct mlx5_aso_age_mng *mng = priv->sh->aso_age_mng;
3733 struct mlx5_aso_age_pool *pool;
3735 rte_rwlock_read_lock(&mng->resize_rwl);
3736 pool = mng->pools[pool_idx];
3737 rte_rwlock_read_unlock(&mng->resize_rwl);
3738 return &pool->actions[offset - 1];
3741 /* maps indirect action to translated direct in some actions array */
3742 struct mlx5_translated_action_handle {
3743 struct rte_flow_action_handle *action; /**< Indirect action handle. */
3744 int index; /**< Index in related array of rte_flow_action. */
3748 * Translates actions of type RTE_FLOW_ACTION_TYPE_INDIRECT to related
3749 * direct action if translation possible.
3750 * This functionality used to run same execution path for both direct and
3751 * indirect actions on flow create. All necessary preparations for indirect
3752 * action handling should be performed on *handle* actions list returned
3756 * Pointer to Ethernet device.
3757 * @param[in] actions
3758 * List of actions to translate.
3759 * @param[out] handle
3760 * List to store translated indirect action object handles.
3761 * @param[in, out] indir_n
3762 * Size of *handle* array. On return should be updated with number of
3763 * indirect actions retrieved from the *actions* list.
3764 * @param[out] translated_actions
3765 * List of actions where all indirect actions were translated to direct
3766 * if possible. NULL if no translation took place.
3768 * Pointer to the error structure.
3771 * 0 on success, a negative errno value otherwise and rte_errno is set.
3774 flow_action_handles_translate(struct rte_eth_dev *dev,
3775 const struct rte_flow_action actions[],
3776 struct mlx5_translated_action_handle *handle,
3778 struct rte_flow_action **translated_actions,
3779 struct rte_flow_error *error)
3781 struct mlx5_priv *priv = dev->data->dev_private;
3782 struct rte_flow_action *translated = NULL;
3783 size_t actions_size;
3786 struct mlx5_translated_action_handle *handle_end = NULL;
3788 for (n = 0; actions[n].type != RTE_FLOW_ACTION_TYPE_END; n++) {
3789 if (actions[n].type != RTE_FLOW_ACTION_TYPE_INDIRECT)
3791 if (copied_n == *indir_n) {
3792 return rte_flow_error_set
3793 (error, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION_NUM,
3794 NULL, "too many shared actions");
3796 rte_memcpy(&handle[copied_n].action, &actions[n].conf,
3797 sizeof(actions[n].conf));
3798 handle[copied_n].index = n;
3802 *indir_n = copied_n;
3805 actions_size = sizeof(struct rte_flow_action) * n;
3806 translated = mlx5_malloc(MLX5_MEM_ZERO, actions_size, 0, SOCKET_ID_ANY);
3811 memcpy(translated, actions, actions_size);
3812 for (handle_end = handle + copied_n; handle < handle_end; handle++) {
3813 struct mlx5_shared_action_rss *shared_rss;
3814 uint32_t act_idx = (uint32_t)(uintptr_t)handle->action;
3815 uint32_t type = act_idx >> MLX5_INDIRECT_ACTION_TYPE_OFFSET;
3816 uint32_t idx = act_idx &
3817 ((1u << MLX5_INDIRECT_ACTION_TYPE_OFFSET) - 1);
3820 case MLX5_INDIRECT_ACTION_TYPE_RSS:
3821 shared_rss = mlx5_ipool_get
3822 (priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS], idx);
3823 translated[handle->index].type =
3824 RTE_FLOW_ACTION_TYPE_RSS;
3825 translated[handle->index].conf =
3826 &shared_rss->origin;
3828 case MLX5_INDIRECT_ACTION_TYPE_COUNT:
3829 translated[handle->index].type =
3830 (enum rte_flow_action_type)
3831 MLX5_RTE_FLOW_ACTION_TYPE_COUNT;
3832 translated[handle->index].conf = (void *)(uintptr_t)idx;
3834 case MLX5_INDIRECT_ACTION_TYPE_AGE:
3835 if (priv->sh->flow_hit_aso_en) {
3836 translated[handle->index].type =
3837 (enum rte_flow_action_type)
3838 MLX5_RTE_FLOW_ACTION_TYPE_AGE;
3839 translated[handle->index].conf =
3840 (void *)(uintptr_t)idx;
3844 case MLX5_INDIRECT_ACTION_TYPE_CT:
3845 if (priv->sh->ct_aso_en) {
3846 translated[handle->index].type =
3847 RTE_FLOW_ACTION_TYPE_CONNTRACK;
3848 translated[handle->index].conf =
3849 (void *)(uintptr_t)idx;
3854 mlx5_free(translated);
3855 return rte_flow_error_set
3856 (error, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION,
3857 NULL, "invalid indirect action type");
3860 *translated_actions = translated;
3865 * Get Shared RSS action from the action list.
3868 * Pointer to Ethernet device.
3870 * Pointer to the list of actions.
3871 * @param[in] shared_n
3872 * Actions list length.
3875 * The MLX5 RSS action ID if exists, otherwise return 0.
3878 flow_get_shared_rss_action(struct rte_eth_dev *dev,
3879 struct mlx5_translated_action_handle *handle,
3882 struct mlx5_translated_action_handle *handle_end;
3883 struct mlx5_priv *priv = dev->data->dev_private;
3884 struct mlx5_shared_action_rss *shared_rss;
3887 for (handle_end = handle + shared_n; handle < handle_end; handle++) {
3888 uint32_t act_idx = (uint32_t)(uintptr_t)handle->action;
3889 uint32_t type = act_idx >> MLX5_INDIRECT_ACTION_TYPE_OFFSET;
3890 uint32_t idx = act_idx &
3891 ((1u << MLX5_INDIRECT_ACTION_TYPE_OFFSET) - 1);
3893 case MLX5_INDIRECT_ACTION_TYPE_RSS:
3894 shared_rss = mlx5_ipool_get
3895 (priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS],
3897 __atomic_add_fetch(&shared_rss->refcnt, 1,
3908 find_graph_root(uint32_t rss_level)
3910 return rss_level < 2 ? MLX5_EXPANSION_ROOT :
3911 MLX5_EXPANSION_ROOT_OUTER;
3915 * Get layer flags from the prefix flow.
3917 * Some flows may be split to several subflows, the prefix subflow gets the
3918 * match items and the suffix sub flow gets the actions.
3919 * Some actions need the user defined match item flags to get the detail for
3921 * This function helps the suffix flow to get the item layer flags from prefix
3924 * @param[in] dev_flow
3925 * Pointer the created preifx subflow.
3928 * The layers get from prefix subflow.
3930 static inline uint64_t
3931 flow_get_prefix_layer_flags(struct mlx5_flow *dev_flow)
3933 uint64_t layers = 0;
3936 * Layers bits could be localization, but usually the compiler will
3937 * help to do the optimization work for source code.
3938 * If no decap actions, use the layers directly.
3940 if (!(dev_flow->act_flags & MLX5_FLOW_ACTION_DECAP))
3941 return dev_flow->handle->layers;
3942 /* Convert L3 layers with decap action. */
3943 if (dev_flow->handle->layers & MLX5_FLOW_LAYER_INNER_L3_IPV4)
3944 layers |= MLX5_FLOW_LAYER_OUTER_L3_IPV4;
3945 else if (dev_flow->handle->layers & MLX5_FLOW_LAYER_INNER_L3_IPV6)
3946 layers |= MLX5_FLOW_LAYER_OUTER_L3_IPV6;
3947 /* Convert L4 layers with decap action. */
3948 if (dev_flow->handle->layers & MLX5_FLOW_LAYER_INNER_L4_TCP)
3949 layers |= MLX5_FLOW_LAYER_OUTER_L4_TCP;
3950 else if (dev_flow->handle->layers & MLX5_FLOW_LAYER_INNER_L4_UDP)
3951 layers |= MLX5_FLOW_LAYER_OUTER_L4_UDP;
3956 * Get metadata split action information.
3958 * @param[in] actions
3959 * Pointer to the list of actions.
3961 * Pointer to the return pointer.
3962 * @param[out] qrss_type
3963 * Pointer to the action type to return. RTE_FLOW_ACTION_TYPE_END is returned
3964 * if no QUEUE/RSS is found.
3965 * @param[out] encap_idx
3966 * Pointer to the index of the encap action if exists, otherwise the last
3970 * Total number of actions.
3973 flow_parse_metadata_split_actions_info(const struct rte_flow_action actions[],
3974 const struct rte_flow_action **qrss,
3977 const struct rte_flow_action_raw_encap *raw_encap;
3979 int raw_decap_idx = -1;
3982 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
3983 switch (actions->type) {
3984 case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
3985 case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP:
3986 *encap_idx = actions_n;
3988 case RTE_FLOW_ACTION_TYPE_RAW_DECAP:
3989 raw_decap_idx = actions_n;
3991 case RTE_FLOW_ACTION_TYPE_RAW_ENCAP:
3992 raw_encap = actions->conf;
3993 if (raw_encap->size > MLX5_ENCAPSULATION_DECISION_SIZE)
3994 *encap_idx = raw_decap_idx != -1 ?
3995 raw_decap_idx : actions_n;
3997 case RTE_FLOW_ACTION_TYPE_QUEUE:
3998 case RTE_FLOW_ACTION_TYPE_RSS:
4006 if (*encap_idx == -1)
4007 *encap_idx = actions_n;
4008 /* Count RTE_FLOW_ACTION_TYPE_END. */
4009 return actions_n + 1;
4013 * Check if the action will change packet.
4016 * Pointer to Ethernet device.
4021 * true if action will change packet, false otherwise.
4023 static bool flow_check_modify_action_type(struct rte_eth_dev *dev,
4024 enum rte_flow_action_type type)
4026 struct mlx5_priv *priv = dev->data->dev_private;
4029 case RTE_FLOW_ACTION_TYPE_SET_MAC_SRC:
4030 case RTE_FLOW_ACTION_TYPE_SET_MAC_DST:
4031 case RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC:
4032 case RTE_FLOW_ACTION_TYPE_SET_IPV4_DST:
4033 case RTE_FLOW_ACTION_TYPE_SET_IPV6_SRC:
4034 case RTE_FLOW_ACTION_TYPE_SET_IPV6_DST:
4035 case RTE_FLOW_ACTION_TYPE_SET_TP_SRC:
4036 case RTE_FLOW_ACTION_TYPE_SET_TP_DST:
4037 case RTE_FLOW_ACTION_TYPE_DEC_TTL:
4038 case RTE_FLOW_ACTION_TYPE_SET_TTL:
4039 case RTE_FLOW_ACTION_TYPE_INC_TCP_SEQ:
4040 case RTE_FLOW_ACTION_TYPE_DEC_TCP_SEQ:
4041 case RTE_FLOW_ACTION_TYPE_INC_TCP_ACK:
4042 case RTE_FLOW_ACTION_TYPE_DEC_TCP_ACK:
4043 case RTE_FLOW_ACTION_TYPE_SET_IPV4_DSCP:
4044 case RTE_FLOW_ACTION_TYPE_SET_IPV6_DSCP:
4045 case RTE_FLOW_ACTION_TYPE_SET_META:
4046 case RTE_FLOW_ACTION_TYPE_SET_TAG:
4047 case RTE_FLOW_ACTION_TYPE_OF_POP_VLAN:
4048 case RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN:
4049 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID:
4050 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_PCP:
4051 case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
4052 case RTE_FLOW_ACTION_TYPE_VXLAN_DECAP:
4053 case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP:
4054 case RTE_FLOW_ACTION_TYPE_NVGRE_DECAP:
4055 case RTE_FLOW_ACTION_TYPE_RAW_ENCAP:
4056 case RTE_FLOW_ACTION_TYPE_RAW_DECAP:
4057 case RTE_FLOW_ACTION_TYPE_MODIFY_FIELD:
4059 case RTE_FLOW_ACTION_TYPE_FLAG:
4060 case RTE_FLOW_ACTION_TYPE_MARK:
4061 if (priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY)
4071 * Check meter action from the action list.
4074 * Pointer to Ethernet device.
4075 * @param[in] actions
4076 * Pointer to the list of actions.
4077 * @param[out] has_mtr
4078 * Pointer to the meter exist flag.
4079 * @param[out] has_modify
4080 * Pointer to the flag showing there's packet change action.
4081 * @param[out] meter_id
4082 * Pointer to the meter id.
4085 * Total number of actions.
4088 flow_check_meter_action(struct rte_eth_dev *dev,
4089 const struct rte_flow_action actions[],
4090 bool *has_mtr, bool *has_modify, uint32_t *meter_id)
4092 const struct rte_flow_action_meter *mtr = NULL;
4095 MLX5_ASSERT(has_mtr);
4097 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
4098 switch (actions->type) {
4099 case RTE_FLOW_ACTION_TYPE_METER:
4100 mtr = actions->conf;
4101 *meter_id = mtr->mtr_id;
4108 *has_modify |= flow_check_modify_action_type(dev,
4112 /* Count RTE_FLOW_ACTION_TYPE_END. */
4113 return actions_n + 1;
4117 * Check if the flow should be split due to hairpin.
4118 * The reason for the split is that in current HW we can't
4119 * support encap and push-vlan on Rx, so if a flow contains
4120 * these actions we move it to Tx.
4123 * Pointer to Ethernet device.
4125 * Flow rule attributes.
4126 * @param[in] actions
4127 * Associated actions (list terminated by the END action).
4130 * > 0 the number of actions and the flow should be split,
4131 * 0 when no split required.
4134 flow_check_hairpin_split(struct rte_eth_dev *dev,
4135 const struct rte_flow_attr *attr,
4136 const struct rte_flow_action actions[])
4138 int queue_action = 0;
4141 const struct rte_flow_action_queue *queue;
4142 const struct rte_flow_action_rss *rss;
4143 const struct rte_flow_action_raw_encap *raw_encap;
4144 const struct rte_eth_hairpin_conf *conf;
4148 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
4149 switch (actions->type) {
4150 case RTE_FLOW_ACTION_TYPE_QUEUE:
4151 queue = actions->conf;
4154 conf = mlx5_rxq_get_hairpin_conf(dev, queue->index);
4155 if (conf == NULL || conf->tx_explicit != 0)
4160 case RTE_FLOW_ACTION_TYPE_RSS:
4161 rss = actions->conf;
4162 if (rss == NULL || rss->queue_num == 0)
4164 conf = mlx5_rxq_get_hairpin_conf(dev, rss->queue[0]);
4165 if (conf == NULL || conf->tx_explicit != 0)
4170 case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
4171 case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP:
4172 case RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN:
4173 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID:
4174 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_PCP:
4178 case RTE_FLOW_ACTION_TYPE_RAW_ENCAP:
4179 raw_encap = actions->conf;
4180 if (raw_encap->size > MLX5_ENCAPSULATION_DECISION_SIZE)
4189 if (split && queue_action)
4194 /* Declare flow create/destroy prototype in advance. */
4196 flow_list_create(struct rte_eth_dev *dev, enum mlx5_flow_type type,
4197 const struct rte_flow_attr *attr,
4198 const struct rte_flow_item items[],
4199 const struct rte_flow_action actions[],
4200 bool external, struct rte_flow_error *error);
4203 flow_list_destroy(struct rte_eth_dev *dev, enum mlx5_flow_type type,
4207 flow_dv_mreg_match_cb(void *tool_ctx __rte_unused,
4208 struct mlx5_list_entry *entry, void *cb_ctx)
4210 struct mlx5_flow_cb_ctx *ctx = cb_ctx;
4211 struct mlx5_flow_mreg_copy_resource *mcp_res =
4212 container_of(entry, typeof(*mcp_res), hlist_ent);
4214 return mcp_res->mark_id != *(uint32_t *)(ctx->data);
4217 struct mlx5_list_entry *
4218 flow_dv_mreg_create_cb(void *tool_ctx, void *cb_ctx)
4220 struct rte_eth_dev *dev = tool_ctx;
4221 struct mlx5_priv *priv = dev->data->dev_private;
4222 struct mlx5_flow_cb_ctx *ctx = cb_ctx;
4223 struct mlx5_flow_mreg_copy_resource *mcp_res;
4224 struct rte_flow_error *error = ctx->error;
4227 uint32_t mark_id = *(uint32_t *)(ctx->data);
4228 struct rte_flow_attr attr = {
4229 .group = MLX5_FLOW_MREG_CP_TABLE_GROUP,
4232 struct mlx5_rte_flow_item_tag tag_spec = {
4235 struct rte_flow_item items[] = {
4236 [1] = { .type = RTE_FLOW_ITEM_TYPE_END, },
4238 struct rte_flow_action_mark ftag = {
4241 struct mlx5_flow_action_copy_mreg cp_mreg = {
4245 struct rte_flow_action_jump jump = {
4246 .group = MLX5_FLOW_MREG_ACT_TABLE_GROUP,
4248 struct rte_flow_action actions[] = {
4249 [3] = { .type = RTE_FLOW_ACTION_TYPE_END, },
4252 /* Fill the register fileds in the flow. */
4253 ret = mlx5_flow_get_reg_id(dev, MLX5_FLOW_MARK, 0, error);
4257 ret = mlx5_flow_get_reg_id(dev, MLX5_METADATA_RX, 0, error);
4261 /* Provide the full width of FLAG specific value. */
4262 if (mark_id == (priv->sh->dv_regc0_mask & MLX5_FLOW_MARK_DEFAULT))
4263 tag_spec.data = MLX5_FLOW_MARK_DEFAULT;
4264 /* Build a new flow. */
4265 if (mark_id != MLX5_DEFAULT_COPY_ID) {
4266 items[0] = (struct rte_flow_item){
4267 .type = (enum rte_flow_item_type)
4268 MLX5_RTE_FLOW_ITEM_TYPE_TAG,
4271 items[1] = (struct rte_flow_item){
4272 .type = RTE_FLOW_ITEM_TYPE_END,
4274 actions[0] = (struct rte_flow_action){
4275 .type = (enum rte_flow_action_type)
4276 MLX5_RTE_FLOW_ACTION_TYPE_MARK,
4279 actions[1] = (struct rte_flow_action){
4280 .type = (enum rte_flow_action_type)
4281 MLX5_RTE_FLOW_ACTION_TYPE_COPY_MREG,
4284 actions[2] = (struct rte_flow_action){
4285 .type = RTE_FLOW_ACTION_TYPE_JUMP,
4288 actions[3] = (struct rte_flow_action){
4289 .type = RTE_FLOW_ACTION_TYPE_END,
4292 /* Default rule, wildcard match. */
4293 attr.priority = MLX5_FLOW_LOWEST_PRIO_INDICATOR;
4294 items[0] = (struct rte_flow_item){
4295 .type = RTE_FLOW_ITEM_TYPE_END,
4297 actions[0] = (struct rte_flow_action){
4298 .type = (enum rte_flow_action_type)
4299 MLX5_RTE_FLOW_ACTION_TYPE_COPY_MREG,
4302 actions[1] = (struct rte_flow_action){
4303 .type = RTE_FLOW_ACTION_TYPE_JUMP,
4306 actions[2] = (struct rte_flow_action){
4307 .type = RTE_FLOW_ACTION_TYPE_END,
4310 /* Build a new entry. */
4311 mcp_res = mlx5_ipool_zmalloc(priv->sh->ipool[MLX5_IPOOL_MCP], &idx);
4317 mcp_res->mark_id = mark_id;
4319 * The copy Flows are not included in any list. There
4320 * ones are referenced from other Flows and can not
4321 * be applied, removed, deleted in ardbitrary order
4322 * by list traversing.
4324 mcp_res->rix_flow = flow_list_create(dev, MLX5_FLOW_TYPE_MCP,
4325 &attr, items, actions, false, error);
4326 if (!mcp_res->rix_flow) {
4327 mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_MCP], idx);
4330 return &mcp_res->hlist_ent;
4333 struct mlx5_list_entry *
4334 flow_dv_mreg_clone_cb(void *tool_ctx, struct mlx5_list_entry *oentry,
4335 void *cb_ctx __rte_unused)
4337 struct rte_eth_dev *dev = tool_ctx;
4338 struct mlx5_priv *priv = dev->data->dev_private;
4339 struct mlx5_flow_mreg_copy_resource *mcp_res;
4342 mcp_res = mlx5_ipool_malloc(priv->sh->ipool[MLX5_IPOOL_MCP], &idx);
4347 memcpy(mcp_res, oentry, sizeof(*mcp_res));
4349 return &mcp_res->hlist_ent;
4353 flow_dv_mreg_clone_free_cb(void *tool_ctx, struct mlx5_list_entry *entry)
4355 struct mlx5_flow_mreg_copy_resource *mcp_res =
4356 container_of(entry, typeof(*mcp_res), hlist_ent);
4357 struct rte_eth_dev *dev = tool_ctx;
4358 struct mlx5_priv *priv = dev->data->dev_private;
4360 mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_MCP], mcp_res->idx);
4364 * Add a flow of copying flow metadata registers in RX_CP_TBL.
4366 * As mark_id is unique, if there's already a registered flow for the mark_id,
4367 * return by increasing the reference counter of the resource. Otherwise, create
4368 * the resource (mcp_res) and flow.
4371 * - If ingress port is ANY and reg_c[1] is mark_id,
4372 * flow_tag := mark_id, reg_b := reg_c[0] and jump to RX_ACT_TBL.
4374 * For default flow (zero mark_id), flow is like,
4375 * - If ingress port is ANY,
4376 * reg_b := reg_c[0] and jump to RX_ACT_TBL.
4379 * Pointer to Ethernet device.
4381 * ID of MARK action, zero means default flow for META.
4383 * Perform verbose error reporting if not NULL.
4386 * Associated resource on success, NULL otherwise and rte_errno is set.
4388 static struct mlx5_flow_mreg_copy_resource *
4389 flow_mreg_add_copy_action(struct rte_eth_dev *dev, uint32_t mark_id,
4390 struct rte_flow_error *error)
4392 struct mlx5_priv *priv = dev->data->dev_private;
4393 struct mlx5_list_entry *entry;
4394 struct mlx5_flow_cb_ctx ctx = {
4400 /* Check if already registered. */
4401 MLX5_ASSERT(priv->mreg_cp_tbl);
4402 entry = mlx5_hlist_register(priv->mreg_cp_tbl, mark_id, &ctx);
4405 return container_of(entry, struct mlx5_flow_mreg_copy_resource,
4410 flow_dv_mreg_remove_cb(void *tool_ctx, struct mlx5_list_entry *entry)
4412 struct mlx5_flow_mreg_copy_resource *mcp_res =
4413 container_of(entry, typeof(*mcp_res), hlist_ent);
4414 struct rte_eth_dev *dev = tool_ctx;
4415 struct mlx5_priv *priv = dev->data->dev_private;
4417 MLX5_ASSERT(mcp_res->rix_flow);
4418 flow_list_destroy(dev, MLX5_FLOW_TYPE_MCP, mcp_res->rix_flow);
4419 mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_MCP], mcp_res->idx);
4423 * Release flow in RX_CP_TBL.
4426 * Pointer to Ethernet device.
4428 * Parent flow for wich copying is provided.
4431 flow_mreg_del_copy_action(struct rte_eth_dev *dev,
4432 struct rte_flow *flow)
4434 struct mlx5_flow_mreg_copy_resource *mcp_res;
4435 struct mlx5_priv *priv = dev->data->dev_private;
4437 if (!flow->rix_mreg_copy)
4439 mcp_res = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_MCP],
4440 flow->rix_mreg_copy);
4441 if (!mcp_res || !priv->mreg_cp_tbl)
4443 MLX5_ASSERT(mcp_res->rix_flow);
4444 mlx5_hlist_unregister(priv->mreg_cp_tbl, &mcp_res->hlist_ent);
4445 flow->rix_mreg_copy = 0;
4449 * Remove the default copy action from RX_CP_TBL.
4451 * This functions is called in the mlx5_dev_start(). No thread safe
4455 * Pointer to Ethernet device.
4458 flow_mreg_del_default_copy_action(struct rte_eth_dev *dev)
4460 struct mlx5_list_entry *entry;
4461 struct mlx5_priv *priv = dev->data->dev_private;
4462 struct mlx5_flow_cb_ctx ctx;
4465 /* Check if default flow is registered. */
4466 if (!priv->mreg_cp_tbl)
4468 mark_id = MLX5_DEFAULT_COPY_ID;
4469 ctx.data = &mark_id;
4470 entry = mlx5_hlist_lookup(priv->mreg_cp_tbl, mark_id, &ctx);
4473 mlx5_hlist_unregister(priv->mreg_cp_tbl, entry);
4477 * Add the default copy action in in RX_CP_TBL.
4479 * This functions is called in the mlx5_dev_start(). No thread safe
4483 * Pointer to Ethernet device.
4485 * Perform verbose error reporting if not NULL.
4488 * 0 for success, negative value otherwise and rte_errno is set.
4491 flow_mreg_add_default_copy_action(struct rte_eth_dev *dev,
4492 struct rte_flow_error *error)
4494 struct mlx5_priv *priv = dev->data->dev_private;
4495 struct mlx5_flow_mreg_copy_resource *mcp_res;
4496 struct mlx5_flow_cb_ctx ctx;
4499 /* Check whether extensive metadata feature is engaged. */
4500 if (!priv->config.dv_flow_en ||
4501 priv->config.dv_xmeta_en == MLX5_XMETA_MODE_LEGACY ||
4502 !mlx5_flow_ext_mreg_supported(dev) ||
4503 !priv->sh->dv_regc0_mask)
4506 * Add default mreg copy flow may be called multiple time, but
4507 * only be called once in stop. Avoid register it twice.
4509 mark_id = MLX5_DEFAULT_COPY_ID;
4510 ctx.data = &mark_id;
4511 if (mlx5_hlist_lookup(priv->mreg_cp_tbl, mark_id, &ctx))
4513 mcp_res = flow_mreg_add_copy_action(dev, mark_id, error);
4520 * Add a flow of copying flow metadata registers in RX_CP_TBL.
4522 * All the flow having Q/RSS action should be split by
4523 * flow_mreg_split_qrss_prep() to pass by RX_CP_TBL. A flow in the RX_CP_TBL
4524 * performs the following,
4525 * - CQE->flow_tag := reg_c[1] (MARK)
4526 * - CQE->flow_table_metadata (reg_b) := reg_c[0] (META)
4527 * As CQE's flow_tag is not a register, it can't be simply copied from reg_c[1]
4528 * but there should be a flow per each MARK ID set by MARK action.
4530 * For the aforementioned reason, if there's a MARK action in flow's action
4531 * list, a corresponding flow should be added to the RX_CP_TBL in order to copy
4532 * the MARK ID to CQE's flow_tag like,
4533 * - If reg_c[1] is mark_id,
4534 * flow_tag := mark_id, reg_b := reg_c[0] and jump to RX_ACT_TBL.
4536 * For SET_META action which stores value in reg_c[0], as the destination is
4537 * also a flow metadata register (reg_b), adding a default flow is enough. Zero
4538 * MARK ID means the default flow. The default flow looks like,
4539 * - For all flow, reg_b := reg_c[0] and jump to RX_ACT_TBL.
4542 * Pointer to Ethernet device.
4544 * Pointer to flow structure.
4545 * @param[in] actions
4546 * Pointer to the list of actions.
4548 * Perform verbose error reporting if not NULL.
4551 * 0 on success, negative value otherwise and rte_errno is set.
4554 flow_mreg_update_copy_table(struct rte_eth_dev *dev,
4555 struct rte_flow *flow,
4556 const struct rte_flow_action *actions,
4557 struct rte_flow_error *error)
4559 struct mlx5_priv *priv = dev->data->dev_private;
4560 struct mlx5_dev_config *config = &priv->config;
4561 struct mlx5_flow_mreg_copy_resource *mcp_res;
4562 const struct rte_flow_action_mark *mark;
4564 /* Check whether extensive metadata feature is engaged. */
4565 if (!config->dv_flow_en ||
4566 config->dv_xmeta_en == MLX5_XMETA_MODE_LEGACY ||
4567 !mlx5_flow_ext_mreg_supported(dev) ||
4568 !priv->sh->dv_regc0_mask)
4570 /* Find MARK action. */
4571 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
4572 switch (actions->type) {
4573 case RTE_FLOW_ACTION_TYPE_FLAG:
4574 mcp_res = flow_mreg_add_copy_action
4575 (dev, MLX5_FLOW_MARK_DEFAULT, error);
4578 flow->rix_mreg_copy = mcp_res->idx;
4580 case RTE_FLOW_ACTION_TYPE_MARK:
4581 mark = (const struct rte_flow_action_mark *)
4584 flow_mreg_add_copy_action(dev, mark->id, error);
4587 flow->rix_mreg_copy = mcp_res->idx;
4596 #define MLX5_MAX_SPLIT_ACTIONS 24
4597 #define MLX5_MAX_SPLIT_ITEMS 24
4600 * Split the hairpin flow.
4601 * Since HW can't support encap and push-vlan on Rx, we move these
4603 * If the count action is after the encap then we also
4604 * move the count action. in this case the count will also measure
4608 * Pointer to Ethernet device.
4609 * @param[in] actions
4610 * Associated actions (list terminated by the END action).
4611 * @param[out] actions_rx
4613 * @param[out] actions_tx
4615 * @param[out] pattern_tx
4616 * The pattern items for the Tx flow.
4617 * @param[out] flow_id
4618 * The flow ID connected to this flow.
4624 flow_hairpin_split(struct rte_eth_dev *dev,
4625 const struct rte_flow_action actions[],
4626 struct rte_flow_action actions_rx[],
4627 struct rte_flow_action actions_tx[],
4628 struct rte_flow_item pattern_tx[],
4631 const struct rte_flow_action_raw_encap *raw_encap;
4632 const struct rte_flow_action_raw_decap *raw_decap;
4633 struct mlx5_rte_flow_action_set_tag *set_tag;
4634 struct rte_flow_action *tag_action;
4635 struct mlx5_rte_flow_item_tag *tag_item;
4636 struct rte_flow_item *item;
4640 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
4641 switch (actions->type) {
4642 case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
4643 case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP:
4644 case RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN:
4645 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID:
4646 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_PCP:
4647 rte_memcpy(actions_tx, actions,
4648 sizeof(struct rte_flow_action));
4651 case RTE_FLOW_ACTION_TYPE_COUNT:
4653 rte_memcpy(actions_tx, actions,
4654 sizeof(struct rte_flow_action));
4657 rte_memcpy(actions_rx, actions,
4658 sizeof(struct rte_flow_action));
4662 case RTE_FLOW_ACTION_TYPE_RAW_ENCAP:
4663 raw_encap = actions->conf;
4664 if (raw_encap->size > MLX5_ENCAPSULATION_DECISION_SIZE) {
4665 memcpy(actions_tx, actions,
4666 sizeof(struct rte_flow_action));
4670 rte_memcpy(actions_rx, actions,
4671 sizeof(struct rte_flow_action));
4675 case RTE_FLOW_ACTION_TYPE_RAW_DECAP:
4676 raw_decap = actions->conf;
4677 if (raw_decap->size < MLX5_ENCAPSULATION_DECISION_SIZE) {
4678 memcpy(actions_tx, actions,
4679 sizeof(struct rte_flow_action));
4682 rte_memcpy(actions_rx, actions,
4683 sizeof(struct rte_flow_action));
4688 rte_memcpy(actions_rx, actions,
4689 sizeof(struct rte_flow_action));
4694 /* Add set meta action and end action for the Rx flow. */
4695 tag_action = actions_rx;
4696 tag_action->type = (enum rte_flow_action_type)
4697 MLX5_RTE_FLOW_ACTION_TYPE_TAG;
4699 rte_memcpy(actions_rx, actions, sizeof(struct rte_flow_action));
4701 set_tag = (void *)actions_rx;
4702 *set_tag = (struct mlx5_rte_flow_action_set_tag) {
4703 .id = mlx5_flow_get_reg_id(dev, MLX5_HAIRPIN_RX, 0, NULL),
4706 MLX5_ASSERT(set_tag->id > REG_NON);
4707 tag_action->conf = set_tag;
4708 /* Create Tx item list. */
4709 rte_memcpy(actions_tx, actions, sizeof(struct rte_flow_action));
4710 addr = (void *)&pattern_tx[2];
4712 item->type = (enum rte_flow_item_type)
4713 MLX5_RTE_FLOW_ITEM_TYPE_TAG;
4714 tag_item = (void *)addr;
4715 tag_item->data = flow_id;
4716 tag_item->id = mlx5_flow_get_reg_id(dev, MLX5_HAIRPIN_TX, 0, NULL);
4717 MLX5_ASSERT(set_tag->id > REG_NON);
4718 item->spec = tag_item;
4719 addr += sizeof(struct mlx5_rte_flow_item_tag);
4720 tag_item = (void *)addr;
4721 tag_item->data = UINT32_MAX;
4722 tag_item->id = UINT16_MAX;
4723 item->mask = tag_item;
4726 item->type = RTE_FLOW_ITEM_TYPE_END;
4731 * The last stage of splitting chain, just creates the subflow
4732 * without any modification.
4735 * Pointer to Ethernet device.
4737 * Parent flow structure pointer.
4738 * @param[in, out] sub_flow
4739 * Pointer to return the created subflow, may be NULL.
4741 * Flow rule attributes.
4743 * Pattern specification (list terminated by the END pattern item).
4744 * @param[in] actions
4745 * Associated actions (list terminated by the END action).
4746 * @param[in] flow_split_info
4747 * Pointer to flow split info structure.
4749 * Perform verbose error reporting if not NULL.
4751 * 0 on success, negative value otherwise
4754 flow_create_split_inner(struct rte_eth_dev *dev,
4755 struct rte_flow *flow,
4756 struct mlx5_flow **sub_flow,
4757 const struct rte_flow_attr *attr,
4758 const struct rte_flow_item items[],
4759 const struct rte_flow_action actions[],
4760 struct mlx5_flow_split_info *flow_split_info,
4761 struct rte_flow_error *error)
4763 struct mlx5_flow *dev_flow;
4765 dev_flow = flow_drv_prepare(dev, flow, attr, items, actions,
4766 flow_split_info->flow_idx, error);
4769 dev_flow->flow = flow;
4770 dev_flow->external = flow_split_info->external;
4771 dev_flow->skip_scale = flow_split_info->skip_scale;
4772 /* Subflow object was created, we must include one in the list. */
4773 SILIST_INSERT(&flow->dev_handles, dev_flow->handle_idx,
4774 dev_flow->handle, next);
4776 * If dev_flow is as one of the suffix flow, some actions in suffix
4777 * flow may need some user defined item layer flags, and pass the
4778 * Metadate rxq mark flag to suffix flow as well.
4780 if (flow_split_info->prefix_layers)
4781 dev_flow->handle->layers = flow_split_info->prefix_layers;
4782 if (flow_split_info->prefix_mark)
4783 dev_flow->handle->mark = 1;
4785 *sub_flow = dev_flow;
4786 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
4787 dev_flow->dv.table_id = flow_split_info->table_id;
4789 return flow_drv_translate(dev, dev_flow, attr, items, actions, error);
4793 * Get the sub policy of a meter.
4796 * Pointer to Ethernet device.
4798 * Parent flow structure pointer.
4800 * Pointer to thread flow work space.
4802 * Flow rule attributes.
4804 * Pattern specification (list terminated by the END pattern item).
4806 * Perform verbose error reporting if not NULL.
4809 * Pointer to the meter sub policy, NULL otherwise and rte_errno is set.
4811 static struct mlx5_flow_meter_sub_policy *
4812 get_meter_sub_policy(struct rte_eth_dev *dev,
4813 struct rte_flow *flow,
4814 struct mlx5_flow_workspace *wks,
4815 const struct rte_flow_attr *attr,
4816 const struct rte_flow_item items[],
4817 struct rte_flow_error *error)
4819 struct mlx5_flow_meter_policy *policy;
4820 struct mlx5_flow_meter_policy *final_policy;
4821 struct mlx5_flow_meter_sub_policy *sub_policy = NULL;
4823 policy = wks->policy;
4824 final_policy = policy->is_hierarchy ? wks->final_policy : policy;
4825 if (final_policy->is_rss || final_policy->is_queue) {
4826 struct mlx5_flow_rss_desc rss_desc_v[MLX5_MTR_RTE_COLORS];
4827 struct mlx5_flow_rss_desc *rss_desc[MLX5_MTR_RTE_COLORS] = {0};
4831 * This is a tmp dev_flow,
4832 * no need to register any matcher for it in translate.
4834 wks->skip_matcher_reg = 1;
4835 for (i = 0; i < MLX5_MTR_RTE_COLORS; i++) {
4836 struct mlx5_flow dev_flow = {0};
4837 struct mlx5_flow_handle dev_handle = { {0} };
4838 uint8_t fate = final_policy->act_cnt[i].fate_action;
4840 if (fate == MLX5_FLOW_FATE_SHARED_RSS) {
4841 const struct rte_flow_action_rss *rss_act =
4842 final_policy->act_cnt[i].rss->conf;
4843 struct rte_flow_action rss_actions[2] = {
4845 .type = RTE_FLOW_ACTION_TYPE_RSS,
4849 .type = RTE_FLOW_ACTION_TYPE_END,
4854 dev_flow.handle = &dev_handle;
4855 dev_flow.ingress = attr->ingress;
4856 dev_flow.flow = flow;
4857 dev_flow.external = 0;
4858 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
4859 dev_flow.dv.transfer = attr->transfer;
4862 * Translate RSS action to get rss hash fields.
4864 if (flow_drv_translate(dev, &dev_flow, attr,
4865 items, rss_actions, error))
4867 rss_desc_v[i] = wks->rss_desc;
4868 rss_desc_v[i].key_len = MLX5_RSS_HASH_KEY_LEN;
4869 rss_desc_v[i].hash_fields =
4870 dev_flow.hash_fields;
4871 rss_desc_v[i].queue_num =
4872 rss_desc_v[i].hash_fields ?
4873 rss_desc_v[i].queue_num : 1;
4874 rss_desc_v[i].tunnel =
4875 !!(dev_flow.handle->layers &
4876 MLX5_FLOW_LAYER_TUNNEL);
4877 /* Use the RSS queues in the containers. */
4878 rss_desc_v[i].queue =
4879 (uint16_t *)(uintptr_t)rss_act->queue;
4880 rss_desc[i] = &rss_desc_v[i];
4881 } else if (fate == MLX5_FLOW_FATE_QUEUE) {
4882 /* This is queue action. */
4883 rss_desc_v[i] = wks->rss_desc;
4884 rss_desc_v[i].key_len = 0;
4885 rss_desc_v[i].hash_fields = 0;
4886 rss_desc_v[i].queue =
4887 &final_policy->act_cnt[i].queue;
4888 rss_desc_v[i].queue_num = 1;
4889 rss_desc[i] = &rss_desc_v[i];
4894 sub_policy = flow_drv_meter_sub_policy_rss_prepare(dev,
4895 flow, policy, rss_desc);
4897 enum mlx5_meter_domain mtr_domain =
4898 attr->transfer ? MLX5_MTR_DOMAIN_TRANSFER :
4899 (attr->egress ? MLX5_MTR_DOMAIN_EGRESS :
4900 MLX5_MTR_DOMAIN_INGRESS);
4901 sub_policy = policy->sub_policys[mtr_domain][0];
4904 rte_flow_error_set(error, EINVAL,
4905 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
4906 "Failed to get meter sub-policy.");
4912 * Split the meter flow.
4914 * As meter flow will split to three sub flow, other than meter
4915 * action, the other actions make sense to only meter accepts
4916 * the packet. If it need to be dropped, no other additional
4917 * actions should be take.
4919 * One kind of special action which decapsulates the L3 tunnel
4920 * header will be in the prefix sub flow, as not to take the
4921 * L3 tunnel header into account.
4924 * Pointer to Ethernet device.
4926 * Parent flow structure pointer.
4928 * Pointer to thread flow work space.
4930 * Flow rule attributes.
4932 * Pattern specification (list terminated by the END pattern item).
4933 * @param[out] sfx_items
4934 * Suffix flow match items (list terminated by the END pattern item).
4935 * @param[in] actions
4936 * Associated actions (list terminated by the END action).
4937 * @param[out] actions_sfx
4938 * Suffix flow actions.
4939 * @param[out] actions_pre
4940 * Prefix flow actions.
4941 * @param[out] mtr_flow_id
4942 * Pointer to meter flow id.
4944 * Perform verbose error reporting if not NULL.
4947 * 0 on success, a negative errno value otherwise and rte_errno is set.
4950 flow_meter_split_prep(struct rte_eth_dev *dev,
4951 struct rte_flow *flow,
4952 struct mlx5_flow_workspace *wks,
4953 const struct rte_flow_attr *attr,
4954 const struct rte_flow_item items[],
4955 struct rte_flow_item sfx_items[],
4956 const struct rte_flow_action actions[],
4957 struct rte_flow_action actions_sfx[],
4958 struct rte_flow_action actions_pre[],
4959 uint32_t *mtr_flow_id,
4960 struct rte_flow_error *error)
4962 struct mlx5_priv *priv = dev->data->dev_private;
4963 struct mlx5_flow_meter_info *fm = wks->fm;
4964 struct rte_flow_action *tag_action = NULL;
4965 struct rte_flow_item *tag_item;
4966 struct mlx5_rte_flow_action_set_tag *set_tag;
4967 const struct rte_flow_action_raw_encap *raw_encap;
4968 const struct rte_flow_action_raw_decap *raw_decap;
4969 struct mlx5_rte_flow_item_tag *tag_item_spec;
4970 struct mlx5_rte_flow_item_tag *tag_item_mask;
4971 uint32_t tag_id = 0;
4972 struct rte_flow_item *vlan_item_dst = NULL;
4973 const struct rte_flow_item *vlan_item_src = NULL;
4974 struct rte_flow_action *hw_mtr_action;
4975 struct rte_flow_action *action_pre_head = NULL;
4976 int32_t flow_src_port = priv->representor_id;
4978 uint8_t mtr_id_offset = priv->mtr_reg_share ? MLX5_MTR_COLOR_BITS : 0;
4979 uint8_t mtr_reg_bits = priv->mtr_reg_share ?
4980 MLX5_MTR_IDLE_BITS_IN_COLOR_REG : MLX5_REG_BITS;
4981 uint32_t flow_id = 0;
4982 uint32_t flow_id_reversed = 0;
4983 uint8_t flow_id_bits = 0;
4986 /* Prepare the suffix subflow items. */
4987 tag_item = sfx_items++;
4988 for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
4989 struct mlx5_priv *port_priv;
4990 const struct rte_flow_item_port_id *pid_v;
4991 int item_type = items->type;
4993 switch (item_type) {
4994 case RTE_FLOW_ITEM_TYPE_PORT_ID:
4995 pid_v = items->spec;
4997 port_priv = mlx5_port_to_eswitch_info(pid_v->id, false);
4999 return rte_flow_error_set(error,
5001 RTE_FLOW_ERROR_TYPE_ITEM_SPEC,
5003 "Failed to get port info.");
5004 flow_src_port = port_priv->representor_id;
5005 if (!fm->def_policy && wks->policy->is_hierarchy &&
5006 flow_src_port != priv->representor_id) {
5007 if (flow_drv_mtr_hierarchy_rule_create(dev,
5014 memcpy(sfx_items, items, sizeof(*sfx_items));
5017 case RTE_FLOW_ITEM_TYPE_VLAN:
5018 /* Determine if copy vlan item below. */
5019 vlan_item_src = items;
5020 vlan_item_dst = sfx_items++;
5021 vlan_item_dst->type = RTE_FLOW_ITEM_TYPE_VOID;
5027 sfx_items->type = RTE_FLOW_ITEM_TYPE_END;
5029 mtr_first = priv->sh->meter_aso_en &&
5030 (attr->egress || (attr->transfer && flow_src_port != UINT16_MAX));
5031 /* For ASO meter, meter must be before tag in TX direction. */
5033 action_pre_head = actions_pre++;
5034 /* Leave space for tag action. */
5035 tag_action = actions_pre++;
5037 /* Prepare the actions for prefix and suffix flow. */
5038 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
5039 struct rte_flow_action *action_cur = NULL;
5041 switch (actions->type) {
5042 case RTE_FLOW_ACTION_TYPE_METER:
5044 action_cur = action_pre_head;
5046 /* Leave space for tag action. */
5047 tag_action = actions_pre++;
5048 action_cur = actions_pre++;
5051 case RTE_FLOW_ACTION_TYPE_VXLAN_DECAP:
5052 case RTE_FLOW_ACTION_TYPE_NVGRE_DECAP:
5053 action_cur = actions_pre++;
5055 case RTE_FLOW_ACTION_TYPE_RAW_ENCAP:
5056 raw_encap = actions->conf;
5057 if (raw_encap->size < MLX5_ENCAPSULATION_DECISION_SIZE)
5058 action_cur = actions_pre++;
5060 case RTE_FLOW_ACTION_TYPE_RAW_DECAP:
5061 raw_decap = actions->conf;
5062 if (raw_decap->size > MLX5_ENCAPSULATION_DECISION_SIZE)
5063 action_cur = actions_pre++;
5065 case RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN:
5066 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID:
5067 if (vlan_item_dst && vlan_item_src) {
5068 memcpy(vlan_item_dst, vlan_item_src,
5069 sizeof(*vlan_item_dst));
5071 * Convert to internal match item, it is used
5072 * for vlan push and set vid.
5074 vlan_item_dst->type = (enum rte_flow_item_type)
5075 MLX5_RTE_FLOW_ITEM_TYPE_VLAN;
5082 action_cur = (fm->def_policy) ?
5083 actions_sfx++ : actions_pre++;
5084 memcpy(action_cur, actions, sizeof(struct rte_flow_action));
5086 /* Add end action to the actions. */
5087 actions_sfx->type = RTE_FLOW_ACTION_TYPE_END;
5088 if (priv->sh->meter_aso_en) {
5090 * For ASO meter, need to add an extra jump action explicitly,
5091 * to jump from meter to policer table.
5093 struct mlx5_flow_meter_sub_policy *sub_policy;
5094 struct mlx5_flow_tbl_data_entry *tbl_data;
5096 if (!fm->def_policy) {
5097 sub_policy = get_meter_sub_policy(dev, flow, wks,
5098 attr, items, error);
5102 enum mlx5_meter_domain mtr_domain =
5103 attr->transfer ? MLX5_MTR_DOMAIN_TRANSFER :
5104 (attr->egress ? MLX5_MTR_DOMAIN_EGRESS :
5105 MLX5_MTR_DOMAIN_INGRESS);
5108 &priv->sh->mtrmng->def_policy[mtr_domain]->sub_policy;
5110 tbl_data = container_of(sub_policy->tbl_rsc,
5111 struct mlx5_flow_tbl_data_entry, tbl);
5112 hw_mtr_action = actions_pre++;
5113 hw_mtr_action->type = (enum rte_flow_action_type)
5114 MLX5_RTE_FLOW_ACTION_TYPE_JUMP;
5115 hw_mtr_action->conf = tbl_data->jump.action;
5117 actions_pre->type = RTE_FLOW_ACTION_TYPE_END;
5120 return rte_flow_error_set(error, ENOMEM,
5121 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
5122 NULL, "No tag action space.");
5124 tag_action->type = RTE_FLOW_ACTION_TYPE_VOID;
5127 /* Only default-policy Meter creates mtr flow id. */
5128 if (fm->def_policy) {
5129 mlx5_ipool_malloc(fm->flow_ipool, &tag_id);
5131 return rte_flow_error_set(error, ENOMEM,
5132 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
5133 "Failed to allocate meter flow id.");
5134 flow_id = tag_id - 1;
5135 flow_id_bits = (!flow_id) ? 1 :
5136 (MLX5_REG_BITS - __builtin_clz(flow_id));
5137 if ((flow_id_bits + priv->sh->mtrmng->max_mtr_bits) >
5139 mlx5_ipool_free(fm->flow_ipool, tag_id);
5140 return rte_flow_error_set(error, EINVAL,
5141 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
5142 "Meter flow id exceeds max limit.");
5144 if (flow_id_bits > priv->sh->mtrmng->max_mtr_flow_bits)
5145 priv->sh->mtrmng->max_mtr_flow_bits = flow_id_bits;
5147 /* Build tag actions and items for meter_id/meter flow_id. */
5148 set_tag = (struct mlx5_rte_flow_action_set_tag *)actions_pre;
5149 tag_item_spec = (struct mlx5_rte_flow_item_tag *)sfx_items;
5150 tag_item_mask = tag_item_spec + 1;
5151 /* Both flow_id and meter_id share the same register. */
5152 *set_tag = (struct mlx5_rte_flow_action_set_tag) {
5153 .id = (enum modify_reg)mlx5_flow_get_reg_id(dev, MLX5_MTR_ID,
5155 .offset = mtr_id_offset,
5156 .length = mtr_reg_bits,
5157 .data = flow->meter,
5160 * The color Reg bits used by flow_id are growing from
5161 * msb to lsb, so must do bit reverse for flow_id val in RegC.
5163 for (shift = 0; shift < flow_id_bits; shift++)
5164 flow_id_reversed = (flow_id_reversed << 1) |
5165 ((flow_id >> shift) & 0x1);
5167 flow_id_reversed << (mtr_reg_bits - flow_id_bits);
5168 tag_item_spec->id = set_tag->id;
5169 tag_item_spec->data = set_tag->data << mtr_id_offset;
5170 tag_item_mask->data = UINT32_MAX << mtr_id_offset;
5171 tag_action->type = (enum rte_flow_action_type)
5172 MLX5_RTE_FLOW_ACTION_TYPE_TAG;
5173 tag_action->conf = set_tag;
5174 tag_item->type = (enum rte_flow_item_type)
5175 MLX5_RTE_FLOW_ITEM_TYPE_TAG;
5176 tag_item->spec = tag_item_spec;
5177 tag_item->last = NULL;
5178 tag_item->mask = tag_item_mask;
5181 *mtr_flow_id = tag_id;
5186 * Split action list having QUEUE/RSS for metadata register copy.
5188 * Once Q/RSS action is detected in user's action list, the flow action
5189 * should be split in order to copy metadata registers, which will happen in
5191 * - CQE->flow_tag := reg_c[1] (MARK)
5192 * - CQE->flow_table_metadata (reg_b) := reg_c[0] (META)
5193 * The Q/RSS action will be performed on RX_ACT_TBL after passing by RX_CP_TBL.
5194 * This is because the last action of each flow must be a terminal action
5195 * (QUEUE, RSS or DROP).
5197 * Flow ID must be allocated to identify actions in the RX_ACT_TBL and it is
5198 * stored and kept in the mlx5_flow structure per each sub_flow.
5200 * The Q/RSS action is replaced with,
5201 * - SET_TAG, setting the allocated flow ID to reg_c[2].
5202 * And the following JUMP action is added at the end,
5203 * - JUMP, to RX_CP_TBL.
5205 * A flow to perform remained Q/RSS action will be created in RX_ACT_TBL by
5206 * flow_create_split_metadata() routine. The flow will look like,
5207 * - If flow ID matches (reg_c[2]), perform Q/RSS.
5210 * Pointer to Ethernet device.
5211 * @param[out] split_actions
5212 * Pointer to store split actions to jump to CP_TBL.
5213 * @param[in] actions
5214 * Pointer to the list of original flow actions.
5216 * Pointer to the Q/RSS action.
5217 * @param[in] actions_n
5218 * Number of original actions.
5220 * Perform verbose error reporting if not NULL.
5223 * non-zero unique flow_id on success, otherwise 0 and
5224 * error/rte_error are set.
5227 flow_mreg_split_qrss_prep(struct rte_eth_dev *dev,
5228 struct rte_flow_action *split_actions,
5229 const struct rte_flow_action *actions,
5230 const struct rte_flow_action *qrss,
5231 int actions_n, struct rte_flow_error *error)
5233 struct mlx5_priv *priv = dev->data->dev_private;
5234 struct mlx5_rte_flow_action_set_tag *set_tag;
5235 struct rte_flow_action_jump *jump;
5236 const int qrss_idx = qrss - actions;
5237 uint32_t flow_id = 0;
5241 * Given actions will be split
5242 * - Replace QUEUE/RSS action with SET_TAG to set flow ID.
5243 * - Add jump to mreg CP_TBL.
5244 * As a result, there will be one more action.
5247 memcpy(split_actions, actions, sizeof(*split_actions) * actions_n);
5248 set_tag = (void *)(split_actions + actions_n);
5250 * If tag action is not set to void(it means we are not the meter
5251 * suffix flow), add the tag action. Since meter suffix flow already
5252 * has the tag added.
5254 if (split_actions[qrss_idx].type != RTE_FLOW_ACTION_TYPE_VOID) {
5256 * Allocate the new subflow ID. This one is unique within
5257 * device and not shared with representors. Otherwise,
5258 * we would have to resolve multi-thread access synch
5259 * issue. Each flow on the shared device is appended
5260 * with source vport identifier, so the resulting
5261 * flows will be unique in the shared (by master and
5262 * representors) domain even if they have coinciding
5265 mlx5_ipool_malloc(priv->sh->ipool
5266 [MLX5_IPOOL_RSS_EXPANTION_FLOW_ID], &flow_id);
5268 return rte_flow_error_set(error, ENOMEM,
5269 RTE_FLOW_ERROR_TYPE_ACTION,
5270 NULL, "can't allocate id "
5271 "for split Q/RSS subflow");
5272 /* Internal SET_TAG action to set flow ID. */
5273 *set_tag = (struct mlx5_rte_flow_action_set_tag){
5276 ret = mlx5_flow_get_reg_id(dev, MLX5_COPY_MARK, 0, error);
5280 /* Construct new actions array. */
5281 /* Replace QUEUE/RSS action. */
5282 split_actions[qrss_idx] = (struct rte_flow_action){
5283 .type = (enum rte_flow_action_type)
5284 MLX5_RTE_FLOW_ACTION_TYPE_TAG,
5288 /* JUMP action to jump to mreg copy table (CP_TBL). */
5289 jump = (void *)(set_tag + 1);
5290 *jump = (struct rte_flow_action_jump){
5291 .group = MLX5_FLOW_MREG_CP_TABLE_GROUP,
5293 split_actions[actions_n - 2] = (struct rte_flow_action){
5294 .type = RTE_FLOW_ACTION_TYPE_JUMP,
5297 split_actions[actions_n - 1] = (struct rte_flow_action){
5298 .type = RTE_FLOW_ACTION_TYPE_END,
5304 * Extend the given action list for Tx metadata copy.
5306 * Copy the given action list to the ext_actions and add flow metadata register
5307 * copy action in order to copy reg_a set by WQE to reg_c[0].
5309 * @param[out] ext_actions
5310 * Pointer to the extended action list.
5311 * @param[in] actions
5312 * Pointer to the list of actions.
5313 * @param[in] actions_n
5314 * Number of actions in the list.
5316 * Perform verbose error reporting if not NULL.
5317 * @param[in] encap_idx
5318 * The encap action inndex.
5321 * 0 on success, negative value otherwise
5324 flow_mreg_tx_copy_prep(struct rte_eth_dev *dev,
5325 struct rte_flow_action *ext_actions,
5326 const struct rte_flow_action *actions,
5327 int actions_n, struct rte_flow_error *error,
5330 struct mlx5_flow_action_copy_mreg *cp_mreg =
5331 (struct mlx5_flow_action_copy_mreg *)
5332 (ext_actions + actions_n + 1);
5335 ret = mlx5_flow_get_reg_id(dev, MLX5_METADATA_RX, 0, error);
5339 ret = mlx5_flow_get_reg_id(dev, MLX5_METADATA_TX, 0, error);
5344 memcpy(ext_actions, actions, sizeof(*ext_actions) * encap_idx);
5345 if (encap_idx == actions_n - 1) {
5346 ext_actions[actions_n - 1] = (struct rte_flow_action){
5347 .type = (enum rte_flow_action_type)
5348 MLX5_RTE_FLOW_ACTION_TYPE_COPY_MREG,
5351 ext_actions[actions_n] = (struct rte_flow_action){
5352 .type = RTE_FLOW_ACTION_TYPE_END,
5355 ext_actions[encap_idx] = (struct rte_flow_action){
5356 .type = (enum rte_flow_action_type)
5357 MLX5_RTE_FLOW_ACTION_TYPE_COPY_MREG,
5360 memcpy(ext_actions + encap_idx + 1, actions + encap_idx,
5361 sizeof(*ext_actions) * (actions_n - encap_idx));
5367 * Check the match action from the action list.
5369 * @param[in] actions
5370 * Pointer to the list of actions.
5372 * Flow rule attributes.
5374 * The action to be check if exist.
5375 * @param[out] match_action_pos
5376 * Pointer to the position of the matched action if exists, otherwise is -1.
5377 * @param[out] qrss_action_pos
5378 * Pointer to the position of the Queue/RSS action if exists, otherwise is -1.
5379 * @param[out] modify_after_mirror
5380 * Pointer to the flag of modify action after FDB mirroring.
5383 * > 0 the total number of actions.
5384 * 0 if not found match action in action list.
5387 flow_check_match_action(const struct rte_flow_action actions[],
5388 const struct rte_flow_attr *attr,
5389 enum rte_flow_action_type action,
5390 int *match_action_pos, int *qrss_action_pos,
5391 int *modify_after_mirror)
5393 const struct rte_flow_action_sample *sample;
5394 const struct rte_flow_action_raw_decap *decap;
5401 *match_action_pos = -1;
5402 *qrss_action_pos = -1;
5403 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
5404 if (actions->type == action) {
5406 *match_action_pos = actions_n;
5408 switch (actions->type) {
5409 case RTE_FLOW_ACTION_TYPE_QUEUE:
5410 case RTE_FLOW_ACTION_TYPE_RSS:
5411 *qrss_action_pos = actions_n;
5413 case RTE_FLOW_ACTION_TYPE_SAMPLE:
5414 sample = actions->conf;
5415 ratio = sample->ratio;
5416 sub_type = ((const struct rte_flow_action *)
5417 (sample->actions))->type;
5418 if (ratio == 1 && attr->transfer)
5421 case RTE_FLOW_ACTION_TYPE_SET_MAC_SRC:
5422 case RTE_FLOW_ACTION_TYPE_SET_MAC_DST:
5423 case RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC:
5424 case RTE_FLOW_ACTION_TYPE_SET_IPV4_DST:
5425 case RTE_FLOW_ACTION_TYPE_SET_IPV6_SRC:
5426 case RTE_FLOW_ACTION_TYPE_SET_IPV6_DST:
5427 case RTE_FLOW_ACTION_TYPE_SET_TP_SRC:
5428 case RTE_FLOW_ACTION_TYPE_SET_TP_DST:
5429 case RTE_FLOW_ACTION_TYPE_DEC_TTL:
5430 case RTE_FLOW_ACTION_TYPE_SET_TTL:
5431 case RTE_FLOW_ACTION_TYPE_INC_TCP_SEQ:
5432 case RTE_FLOW_ACTION_TYPE_DEC_TCP_SEQ:
5433 case RTE_FLOW_ACTION_TYPE_INC_TCP_ACK:
5434 case RTE_FLOW_ACTION_TYPE_DEC_TCP_ACK:
5435 case RTE_FLOW_ACTION_TYPE_SET_IPV4_DSCP:
5436 case RTE_FLOW_ACTION_TYPE_SET_IPV6_DSCP:
5437 case RTE_FLOW_ACTION_TYPE_FLAG:
5438 case RTE_FLOW_ACTION_TYPE_MARK:
5439 case RTE_FLOW_ACTION_TYPE_SET_META:
5440 case RTE_FLOW_ACTION_TYPE_SET_TAG:
5441 case RTE_FLOW_ACTION_TYPE_OF_POP_VLAN:
5442 case RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN:
5443 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID:
5444 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_PCP:
5445 case RTE_FLOW_ACTION_TYPE_VXLAN_DECAP:
5446 case RTE_FLOW_ACTION_TYPE_NVGRE_DECAP:
5447 case RTE_FLOW_ACTION_TYPE_MODIFY_FIELD:
5448 case RTE_FLOW_ACTION_TYPE_METER:
5450 *modify_after_mirror = 1;
5452 case RTE_FLOW_ACTION_TYPE_RAW_DECAP:
5453 decap = actions->conf;
5454 while ((++actions)->type == RTE_FLOW_ACTION_TYPE_VOID)
5457 if (actions->type == RTE_FLOW_ACTION_TYPE_RAW_ENCAP) {
5458 const struct rte_flow_action_raw_encap *encap =
5461 MLX5_ENCAPSULATION_DECISION_SIZE &&
5463 MLX5_ENCAPSULATION_DECISION_SIZE)
5468 *modify_after_mirror = 1;
5475 if (flag && fdb_mirror && !*modify_after_mirror) {
5476 /* FDB mirroring uses the destination array to implement
5477 * instead of FLOW_SAMPLER object.
5479 if (sub_type != RTE_FLOW_ACTION_TYPE_END)
5482 /* Count RTE_FLOW_ACTION_TYPE_END. */
5483 return flag ? actions_n + 1 : 0;
5486 #define SAMPLE_SUFFIX_ITEM 2
5489 * Split the sample flow.
5491 * As sample flow will split to two sub flow, sample flow with
5492 * sample action, the other actions will move to new suffix flow.
5494 * Also add unique tag id with tag action in the sample flow,
5495 * the same tag id will be as match in the suffix flow.
5498 * Pointer to Ethernet device.
5499 * @param[in] add_tag
5500 * Add extra tag action flag.
5501 * @param[out] sfx_items
5502 * Suffix flow match items (list terminated by the END pattern item).
5503 * @param[in] actions
5504 * Associated actions (list terminated by the END action).
5505 * @param[out] actions_sfx
5506 * Suffix flow actions.
5507 * @param[out] actions_pre
5508 * Prefix flow actions.
5509 * @param[in] actions_n
5510 * The total number of actions.
5511 * @param[in] sample_action_pos
5512 * The sample action position.
5513 * @param[in] qrss_action_pos
5514 * The Queue/RSS action position.
5515 * @param[in] jump_table
5516 * Add extra jump action flag.
5518 * Perform verbose error reporting if not NULL.
5521 * 0 on success, or unique flow_id, a negative errno value
5522 * otherwise and rte_errno is set.
5525 flow_sample_split_prep(struct rte_eth_dev *dev,
5527 struct rte_flow_item sfx_items[],
5528 const struct rte_flow_action actions[],
5529 struct rte_flow_action actions_sfx[],
5530 struct rte_flow_action actions_pre[],
5532 int sample_action_pos,
5533 int qrss_action_pos,
5535 struct rte_flow_error *error)
5537 struct mlx5_priv *priv = dev->data->dev_private;
5538 struct mlx5_rte_flow_action_set_tag *set_tag;
5539 struct mlx5_rte_flow_item_tag *tag_spec;
5540 struct mlx5_rte_flow_item_tag *tag_mask;
5541 struct rte_flow_action_jump *jump_action;
5542 uint32_t tag_id = 0;
5544 int append_index = 0;
5547 if (sample_action_pos < 0)
5548 return rte_flow_error_set(error, EINVAL,
5549 RTE_FLOW_ERROR_TYPE_ACTION,
5550 NULL, "invalid position of sample "
5552 /* Prepare the actions for prefix and suffix flow. */
5553 if (qrss_action_pos >= 0 && qrss_action_pos < sample_action_pos) {
5554 index = qrss_action_pos;
5555 /* Put the preceding the Queue/RSS action into prefix flow. */
5557 memcpy(actions_pre, actions,
5558 sizeof(struct rte_flow_action) * index);
5559 /* Put others preceding the sample action into prefix flow. */
5560 if (sample_action_pos > index + 1)
5561 memcpy(actions_pre + index, actions + index + 1,
5562 sizeof(struct rte_flow_action) *
5563 (sample_action_pos - index - 1));
5564 index = sample_action_pos - 1;
5565 /* Put Queue/RSS action into Suffix flow. */
5566 memcpy(actions_sfx, actions + qrss_action_pos,
5567 sizeof(struct rte_flow_action));
5570 index = sample_action_pos;
5572 memcpy(actions_pre, actions,
5573 sizeof(struct rte_flow_action) * index);
5575 /* For CX5, add an extra tag action for NIC-RX and E-Switch ingress.
5576 * For CX6DX and above, metadata registers Cx preserve their value,
5577 * add an extra tag action for NIC-RX and E-Switch Domain.
5580 /* Prepare the prefix tag action. */
5582 set_tag = (void *)(actions_pre + actions_n + append_index);
5583 ret = mlx5_flow_get_reg_id(dev, MLX5_APP_TAG, 0, error);
5586 mlx5_ipool_malloc(priv->sh->ipool
5587 [MLX5_IPOOL_RSS_EXPANTION_FLOW_ID], &tag_id);
5588 *set_tag = (struct mlx5_rte_flow_action_set_tag) {
5592 /* Prepare the suffix subflow items. */
5593 tag_spec = (void *)(sfx_items + SAMPLE_SUFFIX_ITEM);
5594 tag_spec->data = tag_id;
5595 tag_spec->id = set_tag->id;
5596 tag_mask = tag_spec + 1;
5597 tag_mask->data = UINT32_MAX;
5598 sfx_items[0] = (struct rte_flow_item){
5599 .type = (enum rte_flow_item_type)
5600 MLX5_RTE_FLOW_ITEM_TYPE_TAG,
5605 sfx_items[1] = (struct rte_flow_item){
5606 .type = (enum rte_flow_item_type)
5607 RTE_FLOW_ITEM_TYPE_END,
5609 /* Prepare the tag action in prefix subflow. */
5610 actions_pre[index++] =
5611 (struct rte_flow_action){
5612 .type = (enum rte_flow_action_type)
5613 MLX5_RTE_FLOW_ACTION_TYPE_TAG,
5617 memcpy(actions_pre + index, actions + sample_action_pos,
5618 sizeof(struct rte_flow_action));
5620 /* For the modify action after the sample action in E-Switch mirroring,
5621 * Add the extra jump action in prefix subflow and jump into the next
5622 * table, then do the modify action in the new table.
5625 /* Prepare the prefix jump action. */
5627 jump_action = (void *)(actions_pre + actions_n + append_index);
5628 jump_action->group = jump_table;
5629 actions_pre[index++] =
5630 (struct rte_flow_action){
5631 .type = (enum rte_flow_action_type)
5632 RTE_FLOW_ACTION_TYPE_JUMP,
5633 .conf = jump_action,
5636 actions_pre[index] = (struct rte_flow_action){
5637 .type = (enum rte_flow_action_type)
5638 RTE_FLOW_ACTION_TYPE_END,
5640 /* Put the actions after sample into Suffix flow. */
5641 memcpy(actions_sfx, actions + sample_action_pos + 1,
5642 sizeof(struct rte_flow_action) *
5643 (actions_n - sample_action_pos - 1));
5648 * The splitting for metadata feature.
5650 * - Q/RSS action on NIC Rx should be split in order to pass by
5651 * the mreg copy table (RX_CP_TBL) and then it jumps to the
5652 * action table (RX_ACT_TBL) which has the split Q/RSS action.
5654 * - All the actions on NIC Tx should have a mreg copy action to
5655 * copy reg_a from WQE to reg_c[0].
5658 * Pointer to Ethernet device.
5660 * Parent flow structure pointer.
5662 * Flow rule attributes.
5664 * Pattern specification (list terminated by the END pattern item).
5665 * @param[in] actions
5666 * Associated actions (list terminated by the END action).
5667 * @param[in] flow_split_info
5668 * Pointer to flow split info structure.
5670 * Perform verbose error reporting if not NULL.
5672 * 0 on success, negative value otherwise
5675 flow_create_split_metadata(struct rte_eth_dev *dev,
5676 struct rte_flow *flow,
5677 const struct rte_flow_attr *attr,
5678 const struct rte_flow_item items[],
5679 const struct rte_flow_action actions[],
5680 struct mlx5_flow_split_info *flow_split_info,
5681 struct rte_flow_error *error)
5683 struct mlx5_priv *priv = dev->data->dev_private;
5684 struct mlx5_dev_config *config = &priv->config;
5685 const struct rte_flow_action *qrss = NULL;
5686 struct rte_flow_action *ext_actions = NULL;
5687 struct mlx5_flow *dev_flow = NULL;
5688 uint32_t qrss_id = 0;
5695 /* Check whether extensive metadata feature is engaged. */
5696 if (!config->dv_flow_en ||
5697 config->dv_xmeta_en == MLX5_XMETA_MODE_LEGACY ||
5698 !mlx5_flow_ext_mreg_supported(dev))
5699 return flow_create_split_inner(dev, flow, NULL, attr, items,
5700 actions, flow_split_info, error);
5701 actions_n = flow_parse_metadata_split_actions_info(actions, &qrss,
5704 /* Exclude hairpin flows from splitting. */
5705 if (qrss->type == RTE_FLOW_ACTION_TYPE_QUEUE) {
5706 const struct rte_flow_action_queue *queue;
5709 if (mlx5_rxq_get_type(dev, queue->index) ==
5710 MLX5_RXQ_TYPE_HAIRPIN)
5712 } else if (qrss->type == RTE_FLOW_ACTION_TYPE_RSS) {
5713 const struct rte_flow_action_rss *rss;
5716 if (mlx5_rxq_get_type(dev, rss->queue[0]) ==
5717 MLX5_RXQ_TYPE_HAIRPIN)
5722 /* Check if it is in meter suffix table. */
5723 mtr_sfx = attr->group == (attr->transfer ?
5724 (MLX5_FLOW_TABLE_LEVEL_METER - 1) :
5725 MLX5_FLOW_TABLE_LEVEL_METER);
5727 * Q/RSS action on NIC Rx should be split in order to pass by
5728 * the mreg copy table (RX_CP_TBL) and then it jumps to the
5729 * action table (RX_ACT_TBL) which has the split Q/RSS action.
5731 act_size = sizeof(struct rte_flow_action) * (actions_n + 1) +
5732 sizeof(struct rte_flow_action_set_tag) +
5733 sizeof(struct rte_flow_action_jump);
5734 ext_actions = mlx5_malloc(MLX5_MEM_ZERO, act_size, 0,
5737 return rte_flow_error_set(error, ENOMEM,
5738 RTE_FLOW_ERROR_TYPE_ACTION,
5739 NULL, "no memory to split "
5742 * If we are the suffix flow of meter, tag already exist.
5743 * Set the tag action to void.
5746 ext_actions[qrss - actions].type =
5747 RTE_FLOW_ACTION_TYPE_VOID;
5749 ext_actions[qrss - actions].type =
5750 (enum rte_flow_action_type)
5751 MLX5_RTE_FLOW_ACTION_TYPE_TAG;
5753 * Create the new actions list with removed Q/RSS action
5754 * and appended set tag and jump to register copy table
5755 * (RX_CP_TBL). We should preallocate unique tag ID here
5756 * in advance, because it is needed for set tag action.
5758 qrss_id = flow_mreg_split_qrss_prep(dev, ext_actions, actions,
5759 qrss, actions_n, error);
5760 if (!mtr_sfx && !qrss_id) {
5764 } else if (attr->egress && !attr->transfer) {
5766 * All the actions on NIC Tx should have a metadata register
5767 * copy action to copy reg_a from WQE to reg_c[meta]
5769 act_size = sizeof(struct rte_flow_action) * (actions_n + 1) +
5770 sizeof(struct mlx5_flow_action_copy_mreg);
5771 ext_actions = mlx5_malloc(MLX5_MEM_ZERO, act_size, 0,
5774 return rte_flow_error_set(error, ENOMEM,
5775 RTE_FLOW_ERROR_TYPE_ACTION,
5776 NULL, "no memory to split "
5778 /* Create the action list appended with copy register. */
5779 ret = flow_mreg_tx_copy_prep(dev, ext_actions, actions,
5780 actions_n, error, encap_idx);
5784 /* Add the unmodified original or prefix subflow. */
5785 ret = flow_create_split_inner(dev, flow, &dev_flow, attr,
5786 items, ext_actions ? ext_actions :
5787 actions, flow_split_info, error);
5790 MLX5_ASSERT(dev_flow);
5792 const struct rte_flow_attr q_attr = {
5793 .group = MLX5_FLOW_MREG_ACT_TABLE_GROUP,
5796 /* Internal PMD action to set register. */
5797 struct mlx5_rte_flow_item_tag q_tag_spec = {
5801 struct rte_flow_item q_items[] = {
5803 .type = (enum rte_flow_item_type)
5804 MLX5_RTE_FLOW_ITEM_TYPE_TAG,
5805 .spec = &q_tag_spec,
5810 .type = RTE_FLOW_ITEM_TYPE_END,
5813 struct rte_flow_action q_actions[] = {
5819 .type = RTE_FLOW_ACTION_TYPE_END,
5822 uint64_t layers = flow_get_prefix_layer_flags(dev_flow);
5825 * Configure the tag item only if there is no meter subflow.
5826 * Since tag is already marked in the meter suffix subflow
5827 * we can just use the meter suffix items as is.
5830 /* Not meter subflow. */
5831 MLX5_ASSERT(!mtr_sfx);
5833 * Put unique id in prefix flow due to it is destroyed
5834 * after suffix flow and id will be freed after there
5835 * is no actual flows with this id and identifier
5836 * reallocation becomes possible (for example, for
5837 * other flows in other threads).
5839 dev_flow->handle->split_flow_id = qrss_id;
5840 ret = mlx5_flow_get_reg_id(dev, MLX5_COPY_MARK, 0,
5844 q_tag_spec.id = ret;
5847 /* Add suffix subflow to execute Q/RSS. */
5848 flow_split_info->prefix_layers = layers;
5849 flow_split_info->prefix_mark = 0;
5850 ret = flow_create_split_inner(dev, flow, &dev_flow,
5851 &q_attr, mtr_sfx ? items :
5853 flow_split_info, error);
5856 /* qrss ID should be freed if failed. */
5858 MLX5_ASSERT(dev_flow);
5863 * We do not destroy the partially created sub_flows in case of error.
5864 * These ones are included into parent flow list and will be destroyed
5865 * by flow_drv_destroy.
5867 mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_RSS_EXPANTION_FLOW_ID],
5869 mlx5_free(ext_actions);
5874 * Create meter internal drop flow with the original pattern.
5877 * Pointer to Ethernet device.
5879 * Parent flow structure pointer.
5881 * Flow rule attributes.
5883 * Pattern specification (list terminated by the END pattern item).
5884 * @param[in] flow_split_info
5885 * Pointer to flow split info structure.
5887 * Pointer to flow meter structure.
5889 * Perform verbose error reporting if not NULL.
5891 * 0 on success, negative value otherwise
5894 flow_meter_create_drop_flow_with_org_pattern(struct rte_eth_dev *dev,
5895 struct rte_flow *flow,
5896 const struct rte_flow_attr *attr,
5897 const struct rte_flow_item items[],
5898 struct mlx5_flow_split_info *flow_split_info,
5899 struct mlx5_flow_meter_info *fm,
5900 struct rte_flow_error *error)
5902 struct mlx5_flow *dev_flow = NULL;
5903 struct rte_flow_attr drop_attr = *attr;
5904 struct rte_flow_action drop_actions[3];
5905 struct mlx5_flow_split_info drop_split_info = *flow_split_info;
5907 MLX5_ASSERT(fm->drop_cnt);
5908 drop_actions[0].type =
5909 (enum rte_flow_action_type)MLX5_RTE_FLOW_ACTION_TYPE_COUNT;
5910 drop_actions[0].conf = (void *)(uintptr_t)fm->drop_cnt;
5911 drop_actions[1].type = RTE_FLOW_ACTION_TYPE_DROP;
5912 drop_actions[1].conf = NULL;
5913 drop_actions[2].type = RTE_FLOW_ACTION_TYPE_END;
5914 drop_actions[2].conf = NULL;
5915 drop_split_info.external = false;
5916 drop_split_info.skip_scale |= 1 << MLX5_SCALE_FLOW_GROUP_BIT;
5917 drop_split_info.table_id = MLX5_MTR_TABLE_ID_DROP;
5918 drop_attr.group = MLX5_FLOW_TABLE_LEVEL_METER;
5919 return flow_create_split_inner(dev, flow, &dev_flow,
5920 &drop_attr, items, drop_actions,
5921 &drop_split_info, error);
5925 * The splitting for meter feature.
5927 * - The meter flow will be split to two flows as prefix and
5928 * suffix flow. The packets make sense only it pass the prefix
5931 * - Reg_C_5 is used for the packet to match betweend prefix and
5935 * Pointer to Ethernet device.
5937 * Parent flow structure pointer.
5939 * Flow rule attributes.
5941 * Pattern specification (list terminated by the END pattern item).
5942 * @param[in] actions
5943 * Associated actions (list terminated by the END action).
5944 * @param[in] flow_split_info
5945 * Pointer to flow split info structure.
5947 * Perform verbose error reporting if not NULL.
5949 * 0 on success, negative value otherwise
5952 flow_create_split_meter(struct rte_eth_dev *dev,
5953 struct rte_flow *flow,
5954 const struct rte_flow_attr *attr,
5955 const struct rte_flow_item items[],
5956 const struct rte_flow_action actions[],
5957 struct mlx5_flow_split_info *flow_split_info,
5958 struct rte_flow_error *error)
5960 struct mlx5_priv *priv = dev->data->dev_private;
5961 struct mlx5_flow_workspace *wks = mlx5_flow_get_thread_workspace();
5962 struct rte_flow_action *sfx_actions = NULL;
5963 struct rte_flow_action *pre_actions = NULL;
5964 struct rte_flow_item *sfx_items = NULL;
5965 struct mlx5_flow *dev_flow = NULL;
5966 struct rte_flow_attr sfx_attr = *attr;
5967 struct mlx5_flow_meter_info *fm = NULL;
5968 uint8_t skip_scale_restore;
5969 bool has_mtr = false;
5970 bool has_modify = false;
5971 bool set_mtr_reg = true;
5972 bool is_mtr_hierarchy = false;
5973 uint32_t meter_id = 0;
5974 uint32_t mtr_idx = 0;
5975 uint32_t mtr_flow_id = 0;
5982 actions_n = flow_check_meter_action(dev, actions, &has_mtr,
5983 &has_modify, &meter_id);
5986 fm = flow_dv_meter_find_by_idx(priv, flow->meter);
5988 return rte_flow_error_set(error, EINVAL,
5989 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
5990 NULL, "Meter not found.");
5992 fm = mlx5_flow_meter_find(priv, meter_id, &mtr_idx);
5994 return rte_flow_error_set(error, EINVAL,
5995 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
5996 NULL, "Meter not found.");
5997 ret = mlx5_flow_meter_attach(priv, fm,
6001 flow->meter = mtr_idx;
6005 if (!fm->def_policy) {
6006 wks->policy = mlx5_flow_meter_policy_find(dev,
6009 MLX5_ASSERT(wks->policy);
6010 if (wks->policy->is_hierarchy) {
6012 mlx5_flow_meter_hierarchy_get_final_policy(dev,
6014 if (!wks->final_policy)
6015 return rte_flow_error_set(error,
6017 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
6018 "Failed to find terminal policy of hierarchy.");
6019 is_mtr_hierarchy = true;
6023 * If it isn't default-policy Meter, and
6024 * 1. There's no action in flow to change
6025 * packet (modify/encap/decap etc.), OR
6026 * 2. No drop count needed for this meter.
6027 * 3. It's not meter hierarchy.
6028 * Then no need to use regC to save meter id anymore.
6030 if (!fm->def_policy && !is_mtr_hierarchy &&
6031 (!has_modify || !fm->drop_cnt))
6032 set_mtr_reg = false;
6033 /* Prefix actions: meter, decap, encap, tag, jump, end. */
6034 act_size = sizeof(struct rte_flow_action) * (actions_n + 6) +
6035 sizeof(struct mlx5_rte_flow_action_set_tag);
6036 /* Suffix items: tag, vlan, port id, end. */
6037 #define METER_SUFFIX_ITEM 4
6038 item_size = sizeof(struct rte_flow_item) * METER_SUFFIX_ITEM +
6039 sizeof(struct mlx5_rte_flow_item_tag) * 2;
6040 sfx_actions = mlx5_malloc(MLX5_MEM_ZERO, (act_size + item_size),
6043 return rte_flow_error_set(error, ENOMEM,
6044 RTE_FLOW_ERROR_TYPE_ACTION,
6045 NULL, "no memory to split "
6047 sfx_items = (struct rte_flow_item *)((char *)sfx_actions +
6049 /* There's no suffix flow for meter of non-default policy. */
6050 if (!fm->def_policy)
6051 pre_actions = sfx_actions + 1;
6053 pre_actions = sfx_actions + actions_n;
6054 ret = flow_meter_split_prep(dev, flow, wks, &sfx_attr,
6055 items, sfx_items, actions,
6056 sfx_actions, pre_actions,
6057 (set_mtr_reg ? &mtr_flow_id : NULL),
6063 /* Add the prefix subflow. */
6064 flow_split_info->prefix_mark = 0;
6065 skip_scale_restore = flow_split_info->skip_scale;
6066 flow_split_info->skip_scale |=
6067 1 << MLX5_SCALE_JUMP_FLOW_GROUP_BIT;
6068 ret = flow_create_split_inner(dev, flow, &dev_flow,
6069 attr, items, pre_actions,
6070 flow_split_info, error);
6071 flow_split_info->skip_scale = skip_scale_restore;
6074 mlx5_ipool_free(fm->flow_ipool, mtr_flow_id);
6079 dev_flow->handle->split_flow_id = mtr_flow_id;
6080 dev_flow->handle->is_meter_flow_id = 1;
6082 if (!fm->def_policy) {
6083 if (!set_mtr_reg && fm->drop_cnt)
6085 flow_meter_create_drop_flow_with_org_pattern(dev, flow,
6091 /* Setting the sfx group atrr. */
6092 sfx_attr.group = sfx_attr.transfer ?
6093 (MLX5_FLOW_TABLE_LEVEL_METER - 1) :
6094 MLX5_FLOW_TABLE_LEVEL_METER;
6095 flow_split_info->prefix_layers =
6096 flow_get_prefix_layer_flags(dev_flow);
6097 flow_split_info->prefix_mark = dev_flow->handle->mark;
6098 flow_split_info->table_id = MLX5_MTR_TABLE_ID_SUFFIX;
6100 /* Add the prefix subflow. */
6101 ret = flow_create_split_metadata(dev, flow,
6102 &sfx_attr, sfx_items ?
6104 sfx_actions ? sfx_actions : actions,
6105 flow_split_info, error);
6108 mlx5_free(sfx_actions);
6113 * The splitting for sample feature.
6115 * Once Sample action is detected in the action list, the flow actions should
6116 * be split into prefix sub flow and suffix sub flow.
6118 * The original items remain in the prefix sub flow, all actions preceding the
6119 * sample action and the sample action itself will be copied to the prefix
6120 * sub flow, the actions following the sample action will be copied to the
6121 * suffix sub flow, Queue action always be located in the suffix sub flow.
6123 * In order to make the packet from prefix sub flow matches with suffix sub
6124 * flow, an extra tag action be added into prefix sub flow, and the suffix sub
6125 * flow uses tag item with the unique flow id.
6128 * Pointer to Ethernet device.
6130 * Parent flow structure pointer.
6132 * Flow rule attributes.
6134 * Pattern specification (list terminated by the END pattern item).
6135 * @param[in] actions
6136 * Associated actions (list terminated by the END action).
6137 * @param[in] flow_split_info
6138 * Pointer to flow split info structure.
6140 * Perform verbose error reporting if not NULL.
6142 * 0 on success, negative value otherwise
6145 flow_create_split_sample(struct rte_eth_dev *dev,
6146 struct rte_flow *flow,
6147 const struct rte_flow_attr *attr,
6148 const struct rte_flow_item items[],
6149 const struct rte_flow_action actions[],
6150 struct mlx5_flow_split_info *flow_split_info,
6151 struct rte_flow_error *error)
6153 struct mlx5_priv *priv = dev->data->dev_private;
6154 struct rte_flow_action *sfx_actions = NULL;
6155 struct rte_flow_action *pre_actions = NULL;
6156 struct rte_flow_item *sfx_items = NULL;
6157 struct mlx5_flow *dev_flow = NULL;
6158 struct rte_flow_attr sfx_attr = *attr;
6159 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
6160 struct mlx5_flow_dv_sample_resource *sample_res;
6161 struct mlx5_flow_tbl_data_entry *sfx_tbl_data;
6162 struct mlx5_flow_tbl_resource *sfx_tbl;
6166 uint32_t fdb_tx = 0;
6169 int sample_action_pos;
6170 int qrss_action_pos;
6172 int modify_after_mirror = 0;
6173 uint16_t jump_table = 0;
6174 const uint32_t next_ft_step = 1;
6177 if (priv->sampler_en)
6178 actions_n = flow_check_match_action(actions, attr,
6179 RTE_FLOW_ACTION_TYPE_SAMPLE,
6180 &sample_action_pos, &qrss_action_pos,
6181 &modify_after_mirror);
6183 /* The prefix actions must includes sample, tag, end. */
6184 act_size = sizeof(struct rte_flow_action) * (actions_n * 2 + 1)
6185 + sizeof(struct mlx5_rte_flow_action_set_tag);
6186 item_size = sizeof(struct rte_flow_item) * SAMPLE_SUFFIX_ITEM +
6187 sizeof(struct mlx5_rte_flow_item_tag) * 2;
6188 sfx_actions = mlx5_malloc(MLX5_MEM_ZERO, (act_size +
6189 item_size), 0, SOCKET_ID_ANY);
6191 return rte_flow_error_set(error, ENOMEM,
6192 RTE_FLOW_ERROR_TYPE_ACTION,
6193 NULL, "no memory to split "
6195 /* The representor_id is UINT16_MAX for uplink. */
6196 fdb_tx = (attr->transfer && priv->representor_id != UINT16_MAX);
6198 * When reg_c_preserve is set, metadata registers Cx preserve
6199 * their value even through packet duplication.
6201 add_tag = (!fdb_tx || priv->config.hca_attr.reg_c_preserve);
6203 sfx_items = (struct rte_flow_item *)((char *)sfx_actions
6205 if (modify_after_mirror)
6206 jump_table = attr->group * MLX5_FLOW_TABLE_FACTOR +
6208 pre_actions = sfx_actions + actions_n;
6209 tag_id = flow_sample_split_prep(dev, add_tag, sfx_items,
6210 actions, sfx_actions,
6211 pre_actions, actions_n,
6213 qrss_action_pos, jump_table,
6215 if (tag_id < 0 || (add_tag && !tag_id)) {
6219 if (modify_after_mirror)
6220 flow_split_info->skip_scale =
6221 1 << MLX5_SCALE_JUMP_FLOW_GROUP_BIT;
6222 /* Add the prefix subflow. */
6223 ret = flow_create_split_inner(dev, flow, &dev_flow, attr,
6225 flow_split_info, error);
6230 dev_flow->handle->split_flow_id = tag_id;
6231 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
6232 if (!modify_after_mirror) {
6233 /* Set the sfx group attr. */
6234 sample_res = (struct mlx5_flow_dv_sample_resource *)
6235 dev_flow->dv.sample_res;
6236 sfx_tbl = (struct mlx5_flow_tbl_resource *)
6237 sample_res->normal_path_tbl;
6238 sfx_tbl_data = container_of(sfx_tbl,
6239 struct mlx5_flow_tbl_data_entry,
6241 sfx_attr.group = sfx_attr.transfer ?
6242 (sfx_tbl_data->level - 1) : sfx_tbl_data->level;
6244 MLX5_ASSERT(attr->transfer);
6245 sfx_attr.group = jump_table;
6247 flow_split_info->prefix_layers =
6248 flow_get_prefix_layer_flags(dev_flow);
6249 flow_split_info->prefix_mark = dev_flow->handle->mark;
6250 /* Suffix group level already be scaled with factor, set
6251 * MLX5_SCALE_FLOW_GROUP_BIT of skip_scale to 1 to avoid scale
6252 * again in translation.
6254 flow_split_info->skip_scale = 1 << MLX5_SCALE_FLOW_GROUP_BIT;
6257 /* Add the suffix subflow. */
6258 ret = flow_create_split_meter(dev, flow, &sfx_attr,
6259 sfx_items ? sfx_items : items,
6260 sfx_actions ? sfx_actions : actions,
6261 flow_split_info, error);
6264 mlx5_free(sfx_actions);
6269 * Split the flow to subflow set. The splitters might be linked
6270 * in the chain, like this:
6271 * flow_create_split_outer() calls:
6272 * flow_create_split_meter() calls:
6273 * flow_create_split_metadata(meter_subflow_0) calls:
6274 * flow_create_split_inner(metadata_subflow_0)
6275 * flow_create_split_inner(metadata_subflow_1)
6276 * flow_create_split_inner(metadata_subflow_2)
6277 * flow_create_split_metadata(meter_subflow_1) calls:
6278 * flow_create_split_inner(metadata_subflow_0)
6279 * flow_create_split_inner(metadata_subflow_1)
6280 * flow_create_split_inner(metadata_subflow_2)
6282 * This provide flexible way to add new levels of flow splitting.
6283 * The all of successfully created subflows are included to the
6284 * parent flow dev_flow list.
6287 * Pointer to Ethernet device.
6289 * Parent flow structure pointer.
6291 * Flow rule attributes.
6293 * Pattern specification (list terminated by the END pattern item).
6294 * @param[in] actions
6295 * Associated actions (list terminated by the END action).
6296 * @param[in] flow_split_info
6297 * Pointer to flow split info structure.
6299 * Perform verbose error reporting if not NULL.
6301 * 0 on success, negative value otherwise
6304 flow_create_split_outer(struct rte_eth_dev *dev,
6305 struct rte_flow *flow,
6306 const struct rte_flow_attr *attr,
6307 const struct rte_flow_item items[],
6308 const struct rte_flow_action actions[],
6309 struct mlx5_flow_split_info *flow_split_info,
6310 struct rte_flow_error *error)
6314 ret = flow_create_split_sample(dev, flow, attr, items,
6315 actions, flow_split_info, error);
6316 MLX5_ASSERT(ret <= 0);
6320 static inline struct mlx5_flow_tunnel *
6321 flow_tunnel_from_rule(const struct mlx5_flow *flow)
6323 struct mlx5_flow_tunnel *tunnel;
6325 #pragma GCC diagnostic push
6326 #pragma GCC diagnostic ignored "-Wcast-qual"
6327 tunnel = (typeof(tunnel))flow->tunnel;
6328 #pragma GCC diagnostic pop
6334 * Adjust flow RSS workspace if needed.
6337 * Pointer to thread flow work space.
6339 * Pointer to RSS descriptor.
6340 * @param[in] nrssq_num
6341 * New RSS queue number.
6344 * 0 on success, -1 otherwise and rte_errno is set.
6347 flow_rss_workspace_adjust(struct mlx5_flow_workspace *wks,
6348 struct mlx5_flow_rss_desc *rss_desc,
6351 if (likely(nrssq_num <= wks->rssq_num))
6353 rss_desc->queue = realloc(rss_desc->queue,
6354 sizeof(*rss_desc->queue) * RTE_ALIGN(nrssq_num, 2));
6355 if (!rss_desc->queue) {
6359 wks->rssq_num = RTE_ALIGN(nrssq_num, 2);
6364 * Create a flow and add it to @p list.
6367 * Pointer to Ethernet device.
6369 * Pointer to a TAILQ flow list. If this parameter NULL,
6370 * no list insertion occurred, flow is just created,
6371 * this is caller's responsibility to track the
6374 * Flow rule attributes.
6376 * Pattern specification (list terminated by the END pattern item).
6377 * @param[in] actions
6378 * Associated actions (list terminated by the END action).
6379 * @param[in] external
6380 * This flow rule is created by request external to PMD.
6382 * Perform verbose error reporting if not NULL.
6385 * A flow index on success, 0 otherwise and rte_errno is set.
6388 flow_list_create(struct rte_eth_dev *dev, enum mlx5_flow_type type,
6389 const struct rte_flow_attr *attr,
6390 const struct rte_flow_item items[],
6391 const struct rte_flow_action original_actions[],
6392 bool external, struct rte_flow_error *error)
6394 struct mlx5_priv *priv = dev->data->dev_private;
6395 struct rte_flow *flow = NULL;
6396 struct mlx5_flow *dev_flow;
6397 const struct rte_flow_action_rss *rss = NULL;
6398 struct mlx5_translated_action_handle
6399 indir_actions[MLX5_MAX_INDIRECT_ACTIONS];
6400 int indir_actions_n = MLX5_MAX_INDIRECT_ACTIONS;
6402 struct mlx5_flow_expand_rss buf;
6403 uint8_t buffer[4096];
6406 struct rte_flow_action actions[MLX5_MAX_SPLIT_ACTIONS];
6407 uint8_t buffer[2048];
6410 struct rte_flow_action actions[MLX5_MAX_SPLIT_ACTIONS];
6411 uint8_t buffer[2048];
6412 } actions_hairpin_tx;
6414 struct rte_flow_item items[MLX5_MAX_SPLIT_ITEMS];
6415 uint8_t buffer[2048];
6417 struct mlx5_flow_expand_rss *buf = &expand_buffer.buf;
6418 struct mlx5_flow_rss_desc *rss_desc;
6419 const struct rte_flow_action *p_actions_rx;
6423 struct rte_flow_attr attr_tx = { .priority = 0 };
6424 const struct rte_flow_action *actions;
6425 struct rte_flow_action *translated_actions = NULL;
6426 struct mlx5_flow_tunnel *tunnel;
6427 struct tunnel_default_miss_ctx default_miss_ctx = { 0, };
6428 struct mlx5_flow_workspace *wks = mlx5_flow_push_thread_workspace();
6429 struct mlx5_flow_split_info flow_split_info = {
6430 .external = !!external,
6440 rss_desc = &wks->rss_desc;
6441 ret = flow_action_handles_translate(dev, original_actions,
6444 &translated_actions, error);
6446 MLX5_ASSERT(translated_actions == NULL);
6449 actions = translated_actions ? translated_actions : original_actions;
6450 p_actions_rx = actions;
6451 hairpin_flow = flow_check_hairpin_split(dev, attr, actions);
6452 ret = flow_drv_validate(dev, attr, items, p_actions_rx,
6453 external, hairpin_flow, error);
6455 goto error_before_hairpin_split;
6456 flow = mlx5_ipool_zmalloc(priv->flows[type], &idx);
6459 goto error_before_hairpin_split;
6461 if (hairpin_flow > 0) {
6462 if (hairpin_flow > MLX5_MAX_SPLIT_ACTIONS) {
6464 goto error_before_hairpin_split;
6466 flow_hairpin_split(dev, actions, actions_rx.actions,
6467 actions_hairpin_tx.actions, items_tx.items,
6469 p_actions_rx = actions_rx.actions;
6471 flow_split_info.flow_idx = idx;
6472 flow->drv_type = flow_get_drv_type(dev, attr);
6473 MLX5_ASSERT(flow->drv_type > MLX5_FLOW_TYPE_MIN &&
6474 flow->drv_type < MLX5_FLOW_TYPE_MAX);
6475 memset(rss_desc, 0, offsetof(struct mlx5_flow_rss_desc, queue));
6476 /* RSS Action only works on NIC RX domain */
6477 if (attr->ingress && !attr->transfer)
6478 rss = flow_get_rss_action(dev, p_actions_rx);
6480 if (flow_rss_workspace_adjust(wks, rss_desc, rss->queue_num))
6483 * The following information is required by
6484 * mlx5_flow_hashfields_adjust() in advance.
6486 rss_desc->level = rss->level;
6487 /* RSS type 0 indicates default RSS type (RTE_ETH_RSS_IP). */
6488 rss_desc->types = !rss->types ? RTE_ETH_RSS_IP : rss->types;
6490 flow->dev_handles = 0;
6491 if (rss && rss->types) {
6492 unsigned int graph_root;
6494 graph_root = find_graph_root(rss->level);
6495 ret = mlx5_flow_expand_rss(buf, sizeof(expand_buffer.buffer),
6497 mlx5_support_expansion, graph_root);
6498 MLX5_ASSERT(ret > 0 &&
6499 (unsigned int)ret < sizeof(expand_buffer.buffer));
6500 if (rte_log_can_log(mlx5_logtype, RTE_LOG_DEBUG)) {
6501 for (i = 0; i < buf->entries; ++i)
6502 mlx5_dbg__print_pattern(buf->entry[i].pattern);
6506 buf->entry[0].pattern = (void *)(uintptr_t)items;
6508 rss_desc->shared_rss = flow_get_shared_rss_action(dev, indir_actions,
6510 for (i = 0; i < buf->entries; ++i) {
6511 /* Initialize flow split data. */
6512 flow_split_info.prefix_layers = 0;
6513 flow_split_info.prefix_mark = 0;
6514 flow_split_info.skip_scale = 0;
6516 * The splitter may create multiple dev_flows,
6517 * depending on configuration. In the simplest
6518 * case it just creates unmodified original flow.
6520 ret = flow_create_split_outer(dev, flow, attr,
6521 buf->entry[i].pattern,
6522 p_actions_rx, &flow_split_info,
6526 if (is_flow_tunnel_steer_rule(wks->flows[0].tof_type)) {
6527 ret = flow_tunnel_add_default_miss(dev, flow, attr,
6530 wks->flows[0].tunnel,
6534 mlx5_free(default_miss_ctx.queue);
6539 /* Create the tx flow. */
6541 attr_tx.group = MLX5_HAIRPIN_TX_TABLE;
6542 attr_tx.ingress = 0;
6544 dev_flow = flow_drv_prepare(dev, flow, &attr_tx, items_tx.items,
6545 actions_hairpin_tx.actions,
6549 dev_flow->flow = flow;
6550 dev_flow->external = 0;
6551 SILIST_INSERT(&flow->dev_handles, dev_flow->handle_idx,
6552 dev_flow->handle, next);
6553 ret = flow_drv_translate(dev, dev_flow, &attr_tx,
6555 actions_hairpin_tx.actions, error);
6560 * Update the metadata register copy table. If extensive
6561 * metadata feature is enabled and registers are supported
6562 * we might create the extra rte_flow for each unique
6563 * MARK/FLAG action ID.
6565 * The table is updated for ingress Flows only, because
6566 * the egress Flows belong to the different device and
6567 * copy table should be updated in peer NIC Rx domain.
6569 if (attr->ingress &&
6570 (external || attr->group != MLX5_FLOW_MREG_CP_TABLE_GROUP)) {
6571 ret = flow_mreg_update_copy_table(dev, flow, actions, error);
6576 * If the flow is external (from application) OR device is started,
6577 * OR mreg discover, then apply immediately.
6579 if (external || dev->data->dev_started ||
6580 (attr->group == MLX5_FLOW_MREG_CP_TABLE_GROUP &&
6581 attr->priority == MLX5_FLOW_LOWEST_PRIO_INDICATOR)) {
6582 ret = flow_drv_apply(dev, flow, error);
6587 flow_rxq_flags_set(dev, flow);
6588 rte_free(translated_actions);
6589 tunnel = flow_tunnel_from_rule(wks->flows);
6592 flow->tunnel_id = tunnel->tunnel_id;
6593 __atomic_add_fetch(&tunnel->refctn, 1, __ATOMIC_RELAXED);
6594 mlx5_free(default_miss_ctx.queue);
6596 mlx5_flow_pop_thread_workspace();
6600 ret = rte_errno; /* Save rte_errno before cleanup. */
6601 flow_mreg_del_copy_action(dev, flow);
6602 flow_drv_destroy(dev, flow);
6603 if (rss_desc->shared_rss)
6604 __atomic_sub_fetch(&((struct mlx5_shared_action_rss *)
6606 (priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS],
6607 rss_desc->shared_rss))->refcnt, 1, __ATOMIC_RELAXED);
6608 mlx5_ipool_free(priv->flows[type], idx);
6609 rte_errno = ret; /* Restore rte_errno. */
6612 mlx5_flow_pop_thread_workspace();
6613 error_before_hairpin_split:
6614 rte_free(translated_actions);
6619 * Create a dedicated flow rule on e-switch table 0 (root table), to direct all
6620 * incoming packets to table 1.
6622 * Other flow rules, requested for group n, will be created in
6623 * e-switch table n+1.
6624 * Jump action to e-switch group n will be created to group n+1.
6626 * Used when working in switchdev mode, to utilise advantages of table 1
6630 * Pointer to Ethernet device.
6633 * Pointer to flow on success, NULL otherwise and rte_errno is set.
6636 mlx5_flow_create_esw_table_zero_flow(struct rte_eth_dev *dev)
6638 const struct rte_flow_attr attr = {
6645 const struct rte_flow_item pattern = {
6646 .type = RTE_FLOW_ITEM_TYPE_END,
6648 struct rte_flow_action_jump jump = {
6651 const struct rte_flow_action actions[] = {
6653 .type = RTE_FLOW_ACTION_TYPE_JUMP,
6657 .type = RTE_FLOW_ACTION_TYPE_END,
6660 struct rte_flow_error error;
6662 return (void *)(uintptr_t)flow_list_create(dev, MLX5_FLOW_TYPE_CTL,
6664 actions, false, &error);
6668 * Create a dedicated flow rule on e-switch table 1, matches ESW manager
6669 * and sq number, directs all packets to peer vport.
6672 * Pointer to Ethernet device.
6677 * Flow ID on success, 0 otherwise and rte_errno is set.
6680 mlx5_flow_create_devx_sq_miss_flow(struct rte_eth_dev *dev, uint32_t txq)
6682 struct rte_flow_attr attr = {
6684 .priority = MLX5_FLOW_LOWEST_PRIO_INDICATOR,
6689 struct rte_flow_item_port_id port_spec = {
6690 .id = MLX5_PORT_ESW_MGR,
6692 struct mlx5_rte_flow_item_tx_queue txq_spec = {
6695 struct rte_flow_item pattern[] = {
6697 .type = RTE_FLOW_ITEM_TYPE_PORT_ID,
6701 .type = (enum rte_flow_item_type)
6702 MLX5_RTE_FLOW_ITEM_TYPE_TX_QUEUE,
6706 .type = RTE_FLOW_ITEM_TYPE_END,
6709 struct rte_flow_action_jump jump = {
6712 struct rte_flow_action_port_id port = {
6713 .id = dev->data->port_id,
6715 struct rte_flow_action actions[] = {
6717 .type = RTE_FLOW_ACTION_TYPE_JUMP,
6721 .type = RTE_FLOW_ACTION_TYPE_END,
6724 struct rte_flow_error error;
6727 * Creates group 0, highest priority jump flow.
6728 * Matches txq to bypass kernel packets.
6730 if (flow_list_create(dev, MLX5_FLOW_TYPE_CTL, &attr, pattern, actions,
6731 false, &error) == 0)
6733 /* Create group 1, lowest priority redirect flow for txq. */
6735 actions[0].conf = &port;
6736 actions[0].type = RTE_FLOW_ACTION_TYPE_PORT_ID;
6737 return flow_list_create(dev, MLX5_FLOW_TYPE_CTL, &attr, pattern,
6738 actions, false, &error);
6742 * Validate a flow supported by the NIC.
6744 * @see rte_flow_validate()
6748 mlx5_flow_validate(struct rte_eth_dev *dev,
6749 const struct rte_flow_attr *attr,
6750 const struct rte_flow_item items[],
6751 const struct rte_flow_action original_actions[],
6752 struct rte_flow_error *error)
6755 struct mlx5_translated_action_handle
6756 indir_actions[MLX5_MAX_INDIRECT_ACTIONS];
6757 int indir_actions_n = MLX5_MAX_INDIRECT_ACTIONS;
6758 const struct rte_flow_action *actions;
6759 struct rte_flow_action *translated_actions = NULL;
6760 int ret = flow_action_handles_translate(dev, original_actions,
6763 &translated_actions, error);
6767 actions = translated_actions ? translated_actions : original_actions;
6768 hairpin_flow = flow_check_hairpin_split(dev, attr, actions);
6769 ret = flow_drv_validate(dev, attr, items, actions,
6770 true, hairpin_flow, error);
6771 rte_free(translated_actions);
6778 * @see rte_flow_create()
6782 mlx5_flow_create(struct rte_eth_dev *dev,
6783 const struct rte_flow_attr *attr,
6784 const struct rte_flow_item items[],
6785 const struct rte_flow_action actions[],
6786 struct rte_flow_error *error)
6789 * If the device is not started yet, it is not allowed to created a
6790 * flow from application. PMD default flows and traffic control flows
6793 if (unlikely(!dev->data->dev_started)) {
6794 DRV_LOG(DEBUG, "port %u is not started when "
6795 "inserting a flow", dev->data->port_id);
6796 rte_flow_error_set(error, ENODEV,
6797 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
6799 "port not started");
6803 return (void *)(uintptr_t)flow_list_create(dev, MLX5_FLOW_TYPE_GEN,
6804 attr, items, actions,
6809 * Destroy a flow in a list.
6812 * Pointer to Ethernet device.
6813 * @param[in] flow_idx
6814 * Index of flow to destroy.
6817 flow_list_destroy(struct rte_eth_dev *dev, enum mlx5_flow_type type,
6820 struct mlx5_priv *priv = dev->data->dev_private;
6821 struct rte_flow *flow = mlx5_ipool_get(priv->flows[type], flow_idx);
6825 MLX5_ASSERT(flow->type == type);
6827 * Update RX queue flags only if port is started, otherwise it is
6830 if (dev->data->dev_started)
6831 flow_rxq_flags_trim(dev, flow);
6832 flow_drv_destroy(dev, flow);
6834 struct mlx5_flow_tunnel *tunnel;
6836 tunnel = mlx5_find_tunnel_id(dev, flow->tunnel_id);
6838 if (!__atomic_sub_fetch(&tunnel->refctn, 1, __ATOMIC_RELAXED))
6839 mlx5_flow_tunnel_free(dev, tunnel);
6841 flow_mreg_del_copy_action(dev, flow);
6842 mlx5_ipool_free(priv->flows[type], flow_idx);
6846 * Destroy all flows.
6849 * Pointer to Ethernet device.
6851 * Flow type to be flushed.
6853 * If flushing is called avtively.
6856 mlx5_flow_list_flush(struct rte_eth_dev *dev, enum mlx5_flow_type type,
6859 struct mlx5_priv *priv = dev->data->dev_private;
6860 uint32_t num_flushed = 0, fidx = 1;
6861 struct rte_flow *flow;
6863 MLX5_IPOOL_FOREACH(priv->flows[type], fidx, flow) {
6864 flow_list_destroy(dev, type, fidx);
6868 DRV_LOG(INFO, "port %u: %u flows flushed before stopping",
6869 dev->data->port_id, num_flushed);
6874 * Stop all default actions for flows.
6877 * Pointer to Ethernet device.
6880 mlx5_flow_stop_default(struct rte_eth_dev *dev)
6882 flow_mreg_del_default_copy_action(dev);
6883 flow_rxq_flags_clear(dev);
6887 * Start all default actions for flows.
6890 * Pointer to Ethernet device.
6892 * 0 on success, a negative errno value otherwise and rte_errno is set.
6895 mlx5_flow_start_default(struct rte_eth_dev *dev)
6897 struct rte_flow_error error;
6899 /* Make sure default copy action (reg_c[0] -> reg_b) is created. */
6900 return flow_mreg_add_default_copy_action(dev, &error);
6904 * Release key of thread specific flow workspace data.
6907 flow_release_workspace(void *data)
6909 struct mlx5_flow_workspace *wks = data;
6910 struct mlx5_flow_workspace *next;
6914 free(wks->rss_desc.queue);
6921 * Get thread specific current flow workspace.
6923 * @return pointer to thread specific flow workspace data, NULL on error.
6925 struct mlx5_flow_workspace*
6926 mlx5_flow_get_thread_workspace(void)
6928 struct mlx5_flow_workspace *data;
6930 data = mlx5_flow_os_get_specific_workspace();
6931 MLX5_ASSERT(data && data->inuse);
6932 if (!data || !data->inuse)
6933 DRV_LOG(ERR, "flow workspace not initialized.");
6938 * Allocate and init new flow workspace.
6940 * @return pointer to flow workspace data, NULL on error.
6942 static struct mlx5_flow_workspace*
6943 flow_alloc_thread_workspace(void)
6945 struct mlx5_flow_workspace *data = calloc(1, sizeof(*data));
6948 DRV_LOG(ERR, "Failed to allocate flow workspace "
6952 data->rss_desc.queue = calloc(1,
6953 sizeof(uint16_t) * MLX5_RSSQ_DEFAULT_NUM);
6954 if (!data->rss_desc.queue)
6956 data->rssq_num = MLX5_RSSQ_DEFAULT_NUM;
6959 if (data->rss_desc.queue)
6960 free(data->rss_desc.queue);
6966 * Get new thread specific flow workspace.
6968 * If current workspace inuse, create new one and set as current.
6970 * @return pointer to thread specific flow workspace data, NULL on error.
6972 static struct mlx5_flow_workspace*
6973 mlx5_flow_push_thread_workspace(void)
6975 struct mlx5_flow_workspace *curr;
6976 struct mlx5_flow_workspace *data;
6978 curr = mlx5_flow_os_get_specific_workspace();
6980 data = flow_alloc_thread_workspace();
6983 } else if (!curr->inuse) {
6985 } else if (curr->next) {
6988 data = flow_alloc_thread_workspace();
6996 /* Set as current workspace */
6997 if (mlx5_flow_os_set_specific_workspace(data))
6998 DRV_LOG(ERR, "Failed to set flow workspace to thread.");
7003 * Close current thread specific flow workspace.
7005 * If previous workspace available, set it as current.
7007 * @return pointer to thread specific flow workspace data, NULL on error.
7010 mlx5_flow_pop_thread_workspace(void)
7012 struct mlx5_flow_workspace *data = mlx5_flow_get_thread_workspace();
7017 DRV_LOG(ERR, "Failed to close unused flow workspace.");
7023 if (mlx5_flow_os_set_specific_workspace(data->prev))
7024 DRV_LOG(ERR, "Failed to set flow workspace to thread.");
7028 * Verify the flow list is empty
7031 * Pointer to Ethernet device.
7033 * @return the number of flows not released.
7036 mlx5_flow_verify(struct rte_eth_dev *dev __rte_unused)
7038 struct mlx5_priv *priv = dev->data->dev_private;
7039 struct rte_flow *flow;
7043 for (i = 0; i < MLX5_FLOW_TYPE_MAXI; i++) {
7044 MLX5_IPOOL_FOREACH(priv->flows[i], idx, flow) {
7045 DRV_LOG(DEBUG, "port %u flow %p still referenced",
7046 dev->data->port_id, (void *)flow);
7054 * Enable default hairpin egress flow.
7057 * Pointer to Ethernet device.
7062 * 0 on success, a negative errno value otherwise and rte_errno is set.
7065 mlx5_ctrl_flow_source_queue(struct rte_eth_dev *dev,
7068 const struct rte_flow_attr attr = {
7072 struct mlx5_rte_flow_item_tx_queue queue_spec = {
7075 struct mlx5_rte_flow_item_tx_queue queue_mask = {
7076 .queue = UINT32_MAX,
7078 struct rte_flow_item items[] = {
7080 .type = (enum rte_flow_item_type)
7081 MLX5_RTE_FLOW_ITEM_TYPE_TX_QUEUE,
7082 .spec = &queue_spec,
7084 .mask = &queue_mask,
7087 .type = RTE_FLOW_ITEM_TYPE_END,
7090 struct rte_flow_action_jump jump = {
7091 .group = MLX5_HAIRPIN_TX_TABLE,
7093 struct rte_flow_action actions[2];
7095 struct rte_flow_error error;
7097 actions[0].type = RTE_FLOW_ACTION_TYPE_JUMP;
7098 actions[0].conf = &jump;
7099 actions[1].type = RTE_FLOW_ACTION_TYPE_END;
7100 flow_idx = flow_list_create(dev, MLX5_FLOW_TYPE_CTL,
7101 &attr, items, actions, false, &error);
7104 "Failed to create ctrl flow: rte_errno(%d),"
7105 " type(%d), message(%s)",
7106 rte_errno, error.type,
7107 error.message ? error.message : " (no stated reason)");
7114 * Enable a control flow configured from the control plane.
7117 * Pointer to Ethernet device.
7119 * An Ethernet flow spec to apply.
7121 * An Ethernet flow mask to apply.
7123 * A VLAN flow spec to apply.
7125 * A VLAN flow mask to apply.
7128 * 0 on success, a negative errno value otherwise and rte_errno is set.
7131 mlx5_ctrl_flow_vlan(struct rte_eth_dev *dev,
7132 struct rte_flow_item_eth *eth_spec,
7133 struct rte_flow_item_eth *eth_mask,
7134 struct rte_flow_item_vlan *vlan_spec,
7135 struct rte_flow_item_vlan *vlan_mask)
7137 struct mlx5_priv *priv = dev->data->dev_private;
7138 const struct rte_flow_attr attr = {
7140 .priority = MLX5_FLOW_LOWEST_PRIO_INDICATOR,
7142 struct rte_flow_item items[] = {
7144 .type = RTE_FLOW_ITEM_TYPE_ETH,
7150 .type = (vlan_spec) ? RTE_FLOW_ITEM_TYPE_VLAN :
7151 RTE_FLOW_ITEM_TYPE_END,
7157 .type = RTE_FLOW_ITEM_TYPE_END,
7160 uint16_t queue[priv->reta_idx_n];
7161 struct rte_flow_action_rss action_rss = {
7162 .func = RTE_ETH_HASH_FUNCTION_DEFAULT,
7164 .types = priv->rss_conf.rss_hf,
7165 .key_len = priv->rss_conf.rss_key_len,
7166 .queue_num = priv->reta_idx_n,
7167 .key = priv->rss_conf.rss_key,
7170 struct rte_flow_action actions[] = {
7172 .type = RTE_FLOW_ACTION_TYPE_RSS,
7173 .conf = &action_rss,
7176 .type = RTE_FLOW_ACTION_TYPE_END,
7180 struct rte_flow_error error;
7183 if (!priv->reta_idx_n || !priv->rxqs_n) {
7186 if (!(dev->data->dev_conf.rxmode.mq_mode & RTE_ETH_MQ_RX_RSS_FLAG))
7187 action_rss.types = 0;
7188 for (i = 0; i != priv->reta_idx_n; ++i)
7189 queue[i] = (*priv->reta_idx)[i];
7190 flow_idx = flow_list_create(dev, MLX5_FLOW_TYPE_CTL,
7191 &attr, items, actions, false, &error);
7198 * Enable a flow control configured from the control plane.
7201 * Pointer to Ethernet device.
7203 * An Ethernet flow spec to apply.
7205 * An Ethernet flow mask to apply.
7208 * 0 on success, a negative errno value otherwise and rte_errno is set.
7211 mlx5_ctrl_flow(struct rte_eth_dev *dev,
7212 struct rte_flow_item_eth *eth_spec,
7213 struct rte_flow_item_eth *eth_mask)
7215 return mlx5_ctrl_flow_vlan(dev, eth_spec, eth_mask, NULL, NULL);
7219 * Create default miss flow rule matching lacp traffic
7222 * Pointer to Ethernet device.
7224 * An Ethernet flow spec to apply.
7227 * 0 on success, a negative errno value otherwise and rte_errno is set.
7230 mlx5_flow_lacp_miss(struct rte_eth_dev *dev)
7233 * The LACP matching is done by only using ether type since using
7234 * a multicast dst mac causes kernel to give low priority to this flow.
7236 static const struct rte_flow_item_eth lacp_spec = {
7237 .type = RTE_BE16(0x8809),
7239 static const struct rte_flow_item_eth lacp_mask = {
7242 const struct rte_flow_attr attr = {
7245 struct rte_flow_item items[] = {
7247 .type = RTE_FLOW_ITEM_TYPE_ETH,
7252 .type = RTE_FLOW_ITEM_TYPE_END,
7255 struct rte_flow_action actions[] = {
7257 .type = (enum rte_flow_action_type)
7258 MLX5_RTE_FLOW_ACTION_TYPE_DEFAULT_MISS,
7261 .type = RTE_FLOW_ACTION_TYPE_END,
7264 struct rte_flow_error error;
7265 uint32_t flow_idx = flow_list_create(dev, MLX5_FLOW_TYPE_CTL,
7266 &attr, items, actions,
7277 * @see rte_flow_destroy()
7281 mlx5_flow_destroy(struct rte_eth_dev *dev,
7282 struct rte_flow *flow,
7283 struct rte_flow_error *error __rte_unused)
7285 flow_list_destroy(dev, MLX5_FLOW_TYPE_GEN,
7286 (uintptr_t)(void *)flow);
7291 * Destroy all flows.
7293 * @see rte_flow_flush()
7297 mlx5_flow_flush(struct rte_eth_dev *dev,
7298 struct rte_flow_error *error __rte_unused)
7300 mlx5_flow_list_flush(dev, MLX5_FLOW_TYPE_GEN, false);
7307 * @see rte_flow_isolate()
7311 mlx5_flow_isolate(struct rte_eth_dev *dev,
7313 struct rte_flow_error *error)
7315 struct mlx5_priv *priv = dev->data->dev_private;
7317 if (dev->data->dev_started) {
7318 rte_flow_error_set(error, EBUSY,
7319 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
7321 "port must be stopped first");
7324 priv->isolated = !!enable;
7326 dev->dev_ops = &mlx5_dev_ops_isolate;
7328 dev->dev_ops = &mlx5_dev_ops;
7330 dev->rx_descriptor_status = mlx5_rx_descriptor_status;
7331 dev->tx_descriptor_status = mlx5_tx_descriptor_status;
7339 * @see rte_flow_query()
7343 flow_drv_query(struct rte_eth_dev *dev,
7345 const struct rte_flow_action *actions,
7347 struct rte_flow_error *error)
7349 struct mlx5_priv *priv = dev->data->dev_private;
7350 const struct mlx5_flow_driver_ops *fops;
7351 struct rte_flow *flow = mlx5_ipool_get(priv->flows[MLX5_FLOW_TYPE_GEN],
7353 enum mlx5_flow_drv_type ftype;
7356 return rte_flow_error_set(error, ENOENT,
7357 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
7359 "invalid flow handle");
7361 ftype = flow->drv_type;
7362 MLX5_ASSERT(ftype > MLX5_FLOW_TYPE_MIN && ftype < MLX5_FLOW_TYPE_MAX);
7363 fops = flow_get_drv_ops(ftype);
7365 return fops->query(dev, flow, actions, data, error);
7371 * @see rte_flow_query()
7375 mlx5_flow_query(struct rte_eth_dev *dev,
7376 struct rte_flow *flow,
7377 const struct rte_flow_action *actions,
7379 struct rte_flow_error *error)
7383 ret = flow_drv_query(dev, (uintptr_t)(void *)flow, actions, data,
7391 * Get rte_flow callbacks.
7394 * Pointer to Ethernet device structure.
7396 * Pointer to operation-specific structure.
7401 mlx5_flow_ops_get(struct rte_eth_dev *dev __rte_unused,
7402 const struct rte_flow_ops **ops)
7404 *ops = &mlx5_flow_ops;
7409 * Validate meter policy actions.
7410 * Dispatcher for action type specific validation.
7413 * Pointer to the Ethernet device structure.
7415 * The meter policy action object to validate.
7417 * Attributes of flow to determine steering domain.
7418 * @param[out] is_rss
7420 * @param[out] domain_bitmap
7422 * @param[out] is_def_policy
7423 * Is default policy or not.
7425 * Perform verbose error reporting if not NULL. Initialized in case of
7429 * 0 on success, otherwise negative errno value.
7432 mlx5_flow_validate_mtr_acts(struct rte_eth_dev *dev,
7433 const struct rte_flow_action *actions[RTE_COLORS],
7434 struct rte_flow_attr *attr,
7436 uint8_t *domain_bitmap,
7437 uint8_t *policy_mode,
7438 struct rte_mtr_error *error)
7440 const struct mlx5_flow_driver_ops *fops;
7442 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7443 return fops->validate_mtr_acts(dev, actions, attr, is_rss,
7444 domain_bitmap, policy_mode, error);
7448 * Destroy the meter table set.
7451 * Pointer to Ethernet device.
7452 * @param[in] mtr_policy
7453 * Meter policy struct.
7456 mlx5_flow_destroy_mtr_acts(struct rte_eth_dev *dev,
7457 struct mlx5_flow_meter_policy *mtr_policy)
7459 const struct mlx5_flow_driver_ops *fops;
7461 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7462 fops->destroy_mtr_acts(dev, mtr_policy);
7466 * Create policy action, lock free,
7467 * (mutex should be acquired by caller).
7468 * Dispatcher for action type specific call.
7471 * Pointer to the Ethernet device structure.
7472 * @param[in] mtr_policy
7473 * Meter policy struct.
7475 * Action specification used to create meter actions.
7477 * Perform verbose error reporting if not NULL. Initialized in case of
7481 * 0 on success, otherwise negative errno value.
7484 mlx5_flow_create_mtr_acts(struct rte_eth_dev *dev,
7485 struct mlx5_flow_meter_policy *mtr_policy,
7486 const struct rte_flow_action *actions[RTE_COLORS],
7487 struct rte_mtr_error *error)
7489 const struct mlx5_flow_driver_ops *fops;
7491 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7492 return fops->create_mtr_acts(dev, mtr_policy, actions, error);
7496 * Create policy rules, lock free,
7497 * (mutex should be acquired by caller).
7498 * Dispatcher for action type specific call.
7501 * Pointer to the Ethernet device structure.
7502 * @param[in] mtr_policy
7503 * Meter policy struct.
7506 * 0 on success, -1 otherwise.
7509 mlx5_flow_create_policy_rules(struct rte_eth_dev *dev,
7510 struct mlx5_flow_meter_policy *mtr_policy)
7512 const struct mlx5_flow_driver_ops *fops;
7514 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7515 return fops->create_policy_rules(dev, mtr_policy);
7519 * Destroy policy rules, lock free,
7520 * (mutex should be acquired by caller).
7521 * Dispatcher for action type specific call.
7524 * Pointer to the Ethernet device structure.
7525 * @param[in] mtr_policy
7526 * Meter policy struct.
7529 mlx5_flow_destroy_policy_rules(struct rte_eth_dev *dev,
7530 struct mlx5_flow_meter_policy *mtr_policy)
7532 const struct mlx5_flow_driver_ops *fops;
7534 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7535 fops->destroy_policy_rules(dev, mtr_policy);
7539 * Destroy the default policy table set.
7542 * Pointer to Ethernet device.
7545 mlx5_flow_destroy_def_policy(struct rte_eth_dev *dev)
7547 const struct mlx5_flow_driver_ops *fops;
7549 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7550 fops->destroy_def_policy(dev);
7554 * Destroy the default policy table set.
7557 * Pointer to Ethernet device.
7560 * 0 on success, -1 otherwise.
7563 mlx5_flow_create_def_policy(struct rte_eth_dev *dev)
7565 const struct mlx5_flow_driver_ops *fops;
7567 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7568 return fops->create_def_policy(dev);
7572 * Create the needed meter and suffix tables.
7575 * Pointer to Ethernet device.
7578 * 0 on success, -1 otherwise.
7581 mlx5_flow_create_mtr_tbls(struct rte_eth_dev *dev,
7582 struct mlx5_flow_meter_info *fm,
7584 uint8_t domain_bitmap)
7586 const struct mlx5_flow_driver_ops *fops;
7588 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7589 return fops->create_mtr_tbls(dev, fm, mtr_idx, domain_bitmap);
7593 * Destroy the meter table set.
7596 * Pointer to Ethernet device.
7598 * Pointer to the meter table set.
7601 mlx5_flow_destroy_mtr_tbls(struct rte_eth_dev *dev,
7602 struct mlx5_flow_meter_info *fm)
7604 const struct mlx5_flow_driver_ops *fops;
7606 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7607 fops->destroy_mtr_tbls(dev, fm);
7611 * Destroy the global meter drop table.
7614 * Pointer to Ethernet device.
7617 mlx5_flow_destroy_mtr_drop_tbls(struct rte_eth_dev *dev)
7619 const struct mlx5_flow_driver_ops *fops;
7621 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7622 fops->destroy_mtr_drop_tbls(dev);
7626 * Destroy the sub policy table with RX queue.
7629 * Pointer to Ethernet device.
7630 * @param[in] mtr_policy
7631 * Pointer to meter policy table.
7634 mlx5_flow_destroy_sub_policy_with_rxq(struct rte_eth_dev *dev,
7635 struct mlx5_flow_meter_policy *mtr_policy)
7637 const struct mlx5_flow_driver_ops *fops;
7639 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7640 fops->destroy_sub_policy_with_rxq(dev, mtr_policy);
7644 * Allocate the needed aso flow meter id.
7647 * Pointer to Ethernet device.
7650 * Index to aso flow meter on success, NULL otherwise.
7653 mlx5_flow_mtr_alloc(struct rte_eth_dev *dev)
7655 const struct mlx5_flow_driver_ops *fops;
7657 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7658 return fops->create_meter(dev);
7662 * Free the aso flow meter id.
7665 * Pointer to Ethernet device.
7666 * @param[in] mtr_idx
7667 * Index to aso flow meter to be free.
7673 mlx5_flow_mtr_free(struct rte_eth_dev *dev, uint32_t mtr_idx)
7675 const struct mlx5_flow_driver_ops *fops;
7677 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7678 fops->free_meter(dev, mtr_idx);
7682 * Allocate a counter.
7685 * Pointer to Ethernet device structure.
7688 * Index to allocated counter on success, 0 otherwise.
7691 mlx5_counter_alloc(struct rte_eth_dev *dev)
7693 const struct mlx5_flow_driver_ops *fops;
7694 struct rte_flow_attr attr = { .transfer = 0 };
7696 if (flow_get_drv_type(dev, &attr) == MLX5_FLOW_TYPE_DV) {
7697 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7698 return fops->counter_alloc(dev);
7701 "port %u counter allocate is not supported.",
7702 dev->data->port_id);
7710 * Pointer to Ethernet device structure.
7712 * Index to counter to be free.
7715 mlx5_counter_free(struct rte_eth_dev *dev, uint32_t cnt)
7717 const struct mlx5_flow_driver_ops *fops;
7718 struct rte_flow_attr attr = { .transfer = 0 };
7720 if (flow_get_drv_type(dev, &attr) == MLX5_FLOW_TYPE_DV) {
7721 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7722 fops->counter_free(dev, cnt);
7726 "port %u counter free is not supported.",
7727 dev->data->port_id);
7731 * Query counter statistics.
7734 * Pointer to Ethernet device structure.
7736 * Index to counter to query.
7738 * Set to clear counter statistics.
7740 * The counter hits packets number to save.
7742 * The counter hits bytes number to save.
7745 * 0 on success, a negative errno value otherwise.
7748 mlx5_counter_query(struct rte_eth_dev *dev, uint32_t cnt,
7749 bool clear, uint64_t *pkts, uint64_t *bytes)
7751 const struct mlx5_flow_driver_ops *fops;
7752 struct rte_flow_attr attr = { .transfer = 0 };
7754 if (flow_get_drv_type(dev, &attr) == MLX5_FLOW_TYPE_DV) {
7755 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7756 return fops->counter_query(dev, cnt, clear, pkts, bytes);
7759 "port %u counter query is not supported.",
7760 dev->data->port_id);
7765 * Allocate a new memory for the counter values wrapped by all the needed
7769 * Pointer to mlx5_dev_ctx_shared object.
7772 * 0 on success, a negative errno value otherwise.
7775 mlx5_flow_create_counter_stat_mem_mng(struct mlx5_dev_ctx_shared *sh)
7777 struct mlx5_devx_mkey_attr mkey_attr;
7778 struct mlx5_counter_stats_mem_mng *mem_mng;
7779 volatile struct flow_counter_stats *raw_data;
7780 int raws_n = MLX5_CNT_CONTAINER_RESIZE + MLX5_MAX_PENDING_QUERIES;
7781 int size = (sizeof(struct flow_counter_stats) *
7782 MLX5_COUNTERS_PER_POOL +
7783 sizeof(struct mlx5_counter_stats_raw)) * raws_n +
7784 sizeof(struct mlx5_counter_stats_mem_mng);
7785 size_t pgsize = rte_mem_page_size();
7789 if (pgsize == (size_t)-1) {
7790 DRV_LOG(ERR, "Failed to get mem page size");
7794 mem = mlx5_malloc(MLX5_MEM_ZERO, size, pgsize, SOCKET_ID_ANY);
7799 mem_mng = (struct mlx5_counter_stats_mem_mng *)(mem + size) - 1;
7800 size = sizeof(*raw_data) * MLX5_COUNTERS_PER_POOL * raws_n;
7801 mem_mng->umem = mlx5_os_umem_reg(sh->cdev->ctx, mem, size,
7802 IBV_ACCESS_LOCAL_WRITE);
7803 if (!mem_mng->umem) {
7808 memset(&mkey_attr, 0, sizeof(mkey_attr));
7809 mkey_attr.addr = (uintptr_t)mem;
7810 mkey_attr.size = size;
7811 mkey_attr.umem_id = mlx5_os_get_umem_id(mem_mng->umem);
7812 mkey_attr.pd = sh->cdev->pdn;
7813 mkey_attr.relaxed_ordering_write = sh->cmng.relaxed_ordering_write;
7814 mkey_attr.relaxed_ordering_read = sh->cmng.relaxed_ordering_read;
7815 mem_mng->dm = mlx5_devx_cmd_mkey_create(sh->cdev->ctx, &mkey_attr);
7817 mlx5_os_umem_dereg(mem_mng->umem);
7822 mem_mng->raws = (struct mlx5_counter_stats_raw *)(mem + size);
7823 raw_data = (volatile struct flow_counter_stats *)mem;
7824 for (i = 0; i < raws_n; ++i) {
7825 mem_mng->raws[i].mem_mng = mem_mng;
7826 mem_mng->raws[i].data = raw_data + i * MLX5_COUNTERS_PER_POOL;
7828 for (i = 0; i < MLX5_MAX_PENDING_QUERIES; ++i)
7829 LIST_INSERT_HEAD(&sh->cmng.free_stat_raws,
7830 mem_mng->raws + MLX5_CNT_CONTAINER_RESIZE + i,
7832 LIST_INSERT_HEAD(&sh->cmng.mem_mngs, mem_mng, next);
7833 sh->cmng.mem_mng = mem_mng;
7838 * Set the statistic memory to the new counter pool.
7841 * Pointer to mlx5_dev_ctx_shared object.
7843 * Pointer to the pool to set the statistic memory.
7846 * 0 on success, a negative errno value otherwise.
7849 mlx5_flow_set_counter_stat_mem(struct mlx5_dev_ctx_shared *sh,
7850 struct mlx5_flow_counter_pool *pool)
7852 struct mlx5_flow_counter_mng *cmng = &sh->cmng;
7853 /* Resize statistic memory once used out. */
7854 if (!(pool->index % MLX5_CNT_CONTAINER_RESIZE) &&
7855 mlx5_flow_create_counter_stat_mem_mng(sh)) {
7856 DRV_LOG(ERR, "Cannot resize counter stat mem.");
7859 rte_spinlock_lock(&pool->sl);
7860 pool->raw = cmng->mem_mng->raws + pool->index %
7861 MLX5_CNT_CONTAINER_RESIZE;
7862 rte_spinlock_unlock(&pool->sl);
7863 pool->raw_hw = NULL;
7867 #define MLX5_POOL_QUERY_FREQ_US 1000000
7870 * Set the periodic procedure for triggering asynchronous batch queries for all
7871 * the counter pools.
7874 * Pointer to mlx5_dev_ctx_shared object.
7877 mlx5_set_query_alarm(struct mlx5_dev_ctx_shared *sh)
7879 uint32_t pools_n, us;
7881 pools_n = __atomic_load_n(&sh->cmng.n_valid, __ATOMIC_RELAXED);
7882 us = MLX5_POOL_QUERY_FREQ_US / pools_n;
7883 DRV_LOG(DEBUG, "Set alarm for %u pools each %u us", pools_n, us);
7884 if (rte_eal_alarm_set(us, mlx5_flow_query_alarm, sh)) {
7885 sh->cmng.query_thread_on = 0;
7886 DRV_LOG(ERR, "Cannot reinitialize query alarm");
7888 sh->cmng.query_thread_on = 1;
7893 * The periodic procedure for triggering asynchronous batch queries for all the
7894 * counter pools. This function is probably called by the host thread.
7897 * The parameter for the alarm process.
7900 mlx5_flow_query_alarm(void *arg)
7902 struct mlx5_dev_ctx_shared *sh = arg;
7904 uint16_t pool_index = sh->cmng.pool_index;
7905 struct mlx5_flow_counter_mng *cmng = &sh->cmng;
7906 struct mlx5_flow_counter_pool *pool;
7909 if (sh->cmng.pending_queries >= MLX5_MAX_PENDING_QUERIES)
7911 rte_spinlock_lock(&cmng->pool_update_sl);
7912 pool = cmng->pools[pool_index];
7913 n_valid = cmng->n_valid;
7914 rte_spinlock_unlock(&cmng->pool_update_sl);
7915 /* Set the statistic memory to the new created pool. */
7916 if ((!pool->raw && mlx5_flow_set_counter_stat_mem(sh, pool)))
7919 /* There is a pool query in progress. */
7922 LIST_FIRST(&sh->cmng.free_stat_raws);
7924 /* No free counter statistics raw memory. */
7927 * Identify the counters released between query trigger and query
7928 * handle more efficiently. The counter released in this gap period
7929 * should wait for a new round of query as the new arrived packets
7930 * will not be taken into account.
7933 ret = mlx5_devx_cmd_flow_counter_query(pool->min_dcs, 0,
7934 MLX5_COUNTERS_PER_POOL,
7936 pool->raw_hw->mem_mng->dm->id,
7940 (uint64_t)(uintptr_t)pool);
7942 DRV_LOG(ERR, "Failed to trigger asynchronous query for dcs ID"
7943 " %d", pool->min_dcs->id);
7944 pool->raw_hw = NULL;
7947 LIST_REMOVE(pool->raw_hw, next);
7948 sh->cmng.pending_queries++;
7950 if (pool_index >= n_valid)
7953 sh->cmng.pool_index = pool_index;
7954 mlx5_set_query_alarm(sh);
7958 * Check and callback event for new aged flow in the counter pool
7961 * Pointer to mlx5_dev_ctx_shared object.
7963 * Pointer to Current counter pool.
7966 mlx5_flow_aging_check(struct mlx5_dev_ctx_shared *sh,
7967 struct mlx5_flow_counter_pool *pool)
7969 struct mlx5_priv *priv;
7970 struct mlx5_flow_counter *cnt;
7971 struct mlx5_age_info *age_info;
7972 struct mlx5_age_param *age_param;
7973 struct mlx5_counter_stats_raw *cur = pool->raw_hw;
7974 struct mlx5_counter_stats_raw *prev = pool->raw;
7975 const uint64_t curr_time = MLX5_CURR_TIME_SEC;
7976 const uint32_t time_delta = curr_time - pool->time_of_last_age_check;
7977 uint16_t expected = AGE_CANDIDATE;
7980 pool->time_of_last_age_check = curr_time;
7981 for (i = 0; i < MLX5_COUNTERS_PER_POOL; ++i) {
7982 cnt = MLX5_POOL_GET_CNT(pool, i);
7983 age_param = MLX5_CNT_TO_AGE(cnt);
7984 if (__atomic_load_n(&age_param->state,
7985 __ATOMIC_RELAXED) != AGE_CANDIDATE)
7987 if (cur->data[i].hits != prev->data[i].hits) {
7988 __atomic_store_n(&age_param->sec_since_last_hit, 0,
7992 if (__atomic_add_fetch(&age_param->sec_since_last_hit,
7994 __ATOMIC_RELAXED) <= age_param->timeout)
7997 * Hold the lock first, or if between the
7998 * state AGE_TMOUT and tailq operation the
7999 * release happened, the release procedure
8000 * may delete a non-existent tailq node.
8002 priv = rte_eth_devices[age_param->port_id].data->dev_private;
8003 age_info = GET_PORT_AGE_INFO(priv);
8004 rte_spinlock_lock(&age_info->aged_sl);
8005 if (__atomic_compare_exchange_n(&age_param->state, &expected,
8008 __ATOMIC_RELAXED)) {
8009 TAILQ_INSERT_TAIL(&age_info->aged_counters, cnt, next);
8010 MLX5_AGE_SET(age_info, MLX5_AGE_EVENT_NEW);
8012 rte_spinlock_unlock(&age_info->aged_sl);
8014 mlx5_age_event_prepare(sh);
8018 * Handler for the HW respond about ready values from an asynchronous batch
8019 * query. This function is probably called by the host thread.
8022 * The pointer to the shared device context.
8023 * @param[in] async_id
8024 * The Devx async ID.
8026 * The status of the completion.
8029 mlx5_flow_async_pool_query_handle(struct mlx5_dev_ctx_shared *sh,
8030 uint64_t async_id, int status)
8032 struct mlx5_flow_counter_pool *pool =
8033 (struct mlx5_flow_counter_pool *)(uintptr_t)async_id;
8034 struct mlx5_counter_stats_raw *raw_to_free;
8035 uint8_t query_gen = pool->query_gen ^ 1;
8036 struct mlx5_flow_counter_mng *cmng = &sh->cmng;
8037 enum mlx5_counter_type cnt_type =
8038 pool->is_aged ? MLX5_COUNTER_TYPE_AGE :
8039 MLX5_COUNTER_TYPE_ORIGIN;
8041 if (unlikely(status)) {
8042 raw_to_free = pool->raw_hw;
8044 raw_to_free = pool->raw;
8046 mlx5_flow_aging_check(sh, pool);
8047 rte_spinlock_lock(&pool->sl);
8048 pool->raw = pool->raw_hw;
8049 rte_spinlock_unlock(&pool->sl);
8050 /* Be sure the new raw counters data is updated in memory. */
8052 if (!TAILQ_EMPTY(&pool->counters[query_gen])) {
8053 rte_spinlock_lock(&cmng->csl[cnt_type]);
8054 TAILQ_CONCAT(&cmng->counters[cnt_type],
8055 &pool->counters[query_gen], next);
8056 rte_spinlock_unlock(&cmng->csl[cnt_type]);
8059 LIST_INSERT_HEAD(&sh->cmng.free_stat_raws, raw_to_free, next);
8060 pool->raw_hw = NULL;
8061 sh->cmng.pending_queries--;
8065 flow_group_to_table(uint32_t port_id, uint32_t group, uint32_t *table,
8066 const struct flow_grp_info *grp_info,
8067 struct rte_flow_error *error)
8069 if (grp_info->transfer && grp_info->external &&
8070 grp_info->fdb_def_rule) {
8071 if (group == UINT32_MAX)
8072 return rte_flow_error_set
8074 RTE_FLOW_ERROR_TYPE_ATTR_GROUP,
8076 "group index not supported");
8081 DRV_LOG(DEBUG, "port %u group=%#x table=%#x", port_id, group, *table);
8086 * Translate the rte_flow group index to HW table value.
8088 * If tunnel offload is disabled, all group ids converted to flow table
8089 * id using the standard method.
8090 * If tunnel offload is enabled, group id can be converted using the
8091 * standard or tunnel conversion method. Group conversion method
8092 * selection depends on flags in `grp_info` parameter:
8093 * - Internal (grp_info.external == 0) groups conversion uses the
8095 * - Group ids in JUMP action converted with the tunnel conversion.
8096 * - Group id in rule attribute conversion depends on a rule type and
8098 * ** non zero group attributes converted with the tunnel method
8099 * ** zero group attribute in non-tunnel rule is converted using the
8100 * standard method - there's only one root table
8101 * ** zero group attribute in steer tunnel rule is converted with the
8102 * standard method - single root table
8103 * ** zero group attribute in match tunnel rule is a special OvS
8104 * case: that value is used for portability reasons. That group
8105 * id is converted with the tunnel conversion method.
8110 * PMD tunnel offload object
8112 * rte_flow group index value.
8115 * @param[in] grp_info
8116 * flags used for conversion
8118 * Pointer to error structure.
8121 * 0 on success, a negative errno value otherwise and rte_errno is set.
8124 mlx5_flow_group_to_table(struct rte_eth_dev *dev,
8125 const struct mlx5_flow_tunnel *tunnel,
8126 uint32_t group, uint32_t *table,
8127 const struct flow_grp_info *grp_info,
8128 struct rte_flow_error *error)
8131 bool standard_translation;
8133 if (!grp_info->skip_scale && grp_info->external &&
8134 group < MLX5_MAX_TABLES_EXTERNAL)
8135 group *= MLX5_FLOW_TABLE_FACTOR;
8136 if (is_tunnel_offload_active(dev)) {
8137 standard_translation = !grp_info->external ||
8138 grp_info->std_tbl_fix;
8140 standard_translation = true;
8143 "port %u group=%u transfer=%d external=%d fdb_def_rule=%d translate=%s",
8144 dev->data->port_id, group, grp_info->transfer,
8145 grp_info->external, grp_info->fdb_def_rule,
8146 standard_translation ? "STANDARD" : "TUNNEL");
8147 if (standard_translation)
8148 ret = flow_group_to_table(dev->data->port_id, group, table,
8151 ret = tunnel_flow_group_to_flow_table(dev, tunnel, group,
8158 * Discover availability of metadata reg_c's.
8160 * Iteratively use test flows to check availability.
8163 * Pointer to the Ethernet device structure.
8166 * 0 on success, a negative errno value otherwise and rte_errno is set.
8169 mlx5_flow_discover_mreg_c(struct rte_eth_dev *dev)
8171 struct mlx5_priv *priv = dev->data->dev_private;
8172 enum modify_reg idx;
8175 /* reg_c[0] and reg_c[1] are reserved. */
8176 priv->sh->flow_mreg_c[n++] = REG_C_0;
8177 priv->sh->flow_mreg_c[n++] = REG_C_1;
8178 /* Discover availability of other reg_c's. */
8179 for (idx = REG_C_2; idx <= REG_C_7; ++idx) {
8180 struct rte_flow_attr attr = {
8181 .group = MLX5_FLOW_MREG_CP_TABLE_GROUP,
8182 .priority = MLX5_FLOW_LOWEST_PRIO_INDICATOR,
8185 struct rte_flow_item items[] = {
8187 .type = RTE_FLOW_ITEM_TYPE_END,
8190 struct rte_flow_action actions[] = {
8192 .type = (enum rte_flow_action_type)
8193 MLX5_RTE_FLOW_ACTION_TYPE_COPY_MREG,
8194 .conf = &(struct mlx5_flow_action_copy_mreg){
8200 .type = RTE_FLOW_ACTION_TYPE_JUMP,
8201 .conf = &(struct rte_flow_action_jump){
8202 .group = MLX5_FLOW_MREG_ACT_TABLE_GROUP,
8206 .type = RTE_FLOW_ACTION_TYPE_END,
8210 struct rte_flow *flow;
8211 struct rte_flow_error error;
8213 if (!priv->config.dv_flow_en)
8215 /* Create internal flow, validation skips copy action. */
8216 flow_idx = flow_list_create(dev, MLX5_FLOW_TYPE_GEN, &attr,
8217 items, actions, false, &error);
8218 flow = mlx5_ipool_get(priv->flows[MLX5_FLOW_TYPE_GEN],
8222 priv->sh->flow_mreg_c[n++] = idx;
8223 flow_list_destroy(dev, MLX5_FLOW_TYPE_GEN, flow_idx);
8225 for (; n < MLX5_MREG_C_NUM; ++n)
8226 priv->sh->flow_mreg_c[n] = REG_NON;
8227 priv->sh->metadata_regc_check_flag = 1;
8232 save_dump_file(const uint8_t *data, uint32_t size,
8233 uint32_t type, uint64_t id, void *arg, FILE *file)
8235 char line[BUF_SIZE];
8238 uint32_t actions_num;
8239 struct rte_flow_query_count *count;
8241 memset(line, 0, BUF_SIZE);
8243 case DR_DUMP_REC_TYPE_PMD_MODIFY_HDR:
8244 actions_num = *(uint32_t *)(arg);
8245 out += snprintf(line + out, BUF_SIZE - out, "%d,0x%" PRIx64 ",%d,",
8246 type, id, actions_num);
8248 case DR_DUMP_REC_TYPE_PMD_PKT_REFORMAT:
8249 out += snprintf(line + out, BUF_SIZE - out, "%d,0x%" PRIx64 ",",
8252 case DR_DUMP_REC_TYPE_PMD_COUNTER:
8253 count = (struct rte_flow_query_count *)arg;
8255 "%d,0x%" PRIx64 ",%" PRIu64 ",%" PRIu64 "\n",
8256 type, id, count->hits, count->bytes);
8262 for (k = 0; k < size; k++) {
8263 /* Make sure we do not overrun the line buffer length. */
8264 if (out >= BUF_SIZE - 4) {
8268 out += snprintf(line + out, BUF_SIZE - out, "%02x",
8271 fprintf(file, "%s\n", line);
8276 mlx5_flow_query_counter(struct rte_eth_dev *dev, struct rte_flow *flow,
8277 struct rte_flow_query_count *count, struct rte_flow_error *error)
8279 struct rte_flow_action action[2];
8280 enum mlx5_flow_drv_type ftype;
8281 const struct mlx5_flow_driver_ops *fops;
8284 return rte_flow_error_set(error, ENOENT,
8285 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
8287 "invalid flow handle");
8289 action[0].type = RTE_FLOW_ACTION_TYPE_COUNT;
8290 action[1].type = RTE_FLOW_ACTION_TYPE_END;
8291 if (flow->counter) {
8292 memset(count, 0, sizeof(struct rte_flow_query_count));
8293 ftype = (enum mlx5_flow_drv_type)(flow->drv_type);
8294 MLX5_ASSERT(ftype > MLX5_FLOW_TYPE_MIN &&
8295 ftype < MLX5_FLOW_TYPE_MAX);
8296 fops = flow_get_drv_ops(ftype);
8297 return fops->query(dev, flow, action, count, error);
8302 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
8304 * Dump flow ipool data to file
8307 * The pointer to Ethernet device.
8309 * A pointer to a file for output.
8311 * Perform verbose error reporting if not NULL. PMDs initialize this
8312 * structure in case of error only.
8314 * 0 on success, a negative value otherwise.
8317 mlx5_flow_dev_dump_ipool(struct rte_eth_dev *dev,
8318 struct rte_flow *flow, FILE *file,
8319 struct rte_flow_error *error)
8321 struct mlx5_priv *priv = dev->data->dev_private;
8322 struct mlx5_flow_dv_modify_hdr_resource *modify_hdr;
8323 struct mlx5_flow_dv_encap_decap_resource *encap_decap;
8324 uint32_t handle_idx;
8325 struct mlx5_flow_handle *dh;
8326 struct rte_flow_query_count count;
8327 uint32_t actions_num;
8328 const uint8_t *data;
8332 void *action = NULL;
8335 return rte_flow_error_set(error, ENOENT,
8336 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
8338 "invalid flow handle");
8340 handle_idx = flow->dev_handles;
8341 while (handle_idx) {
8342 dh = mlx5_ipool_get(priv->sh->ipool
8343 [MLX5_IPOOL_MLX5_FLOW], handle_idx);
8346 handle_idx = dh->next.next;
8349 type = DR_DUMP_REC_TYPE_PMD_COUNTER;
8350 flow_dv_query_count_ptr(dev, flow->counter,
8353 id = (uint64_t)(uintptr_t)action;
8354 if (!mlx5_flow_query_counter(dev, flow, &count, error))
8355 save_dump_file(NULL, 0, type,
8356 id, (void *)&count, file);
8358 /* Get modify_hdr and encap_decap buf from ipools. */
8360 modify_hdr = dh->dvh.modify_hdr;
8362 if (dh->dvh.rix_encap_decap) {
8363 encap_decap = mlx5_ipool_get(priv->sh->ipool
8364 [MLX5_IPOOL_DECAP_ENCAP],
8365 dh->dvh.rix_encap_decap);
8368 data = (const uint8_t *)modify_hdr->actions;
8369 size = (size_t)(modify_hdr->actions_num) * 8;
8370 id = (uint64_t)(uintptr_t)modify_hdr->action;
8371 actions_num = modify_hdr->actions_num;
8372 type = DR_DUMP_REC_TYPE_PMD_MODIFY_HDR;
8373 save_dump_file(data, size, type, id,
8374 (void *)(&actions_num), file);
8377 data = encap_decap->buf;
8378 size = encap_decap->size;
8379 id = (uint64_t)(uintptr_t)encap_decap->action;
8380 type = DR_DUMP_REC_TYPE_PMD_PKT_REFORMAT;
8381 save_dump_file(data, size, type,
8389 * Dump all flow's encap_decap/modify_hdr/counter data to file
8392 * The pointer to Ethernet device.
8394 * A pointer to a file for output.
8396 * Perform verbose error reporting if not NULL. PMDs initialize this
8397 * structure in case of error only.
8399 * 0 on success, a negative value otherwise.
8402 mlx5_flow_dev_dump_sh_all(struct rte_eth_dev *dev,
8403 FILE *file, struct rte_flow_error *error)
8405 struct mlx5_priv *priv = dev->data->dev_private;
8406 struct mlx5_dev_ctx_shared *sh = priv->sh;
8407 struct mlx5_hlist *h;
8408 struct mlx5_flow_dv_modify_hdr_resource *modify_hdr;
8409 struct mlx5_flow_dv_encap_decap_resource *encap_decap;
8410 struct rte_flow_query_count count;
8411 uint32_t actions_num;
8412 const uint8_t *data;
8418 struct mlx5_list_inconst *l_inconst;
8419 struct mlx5_list_entry *e;
8421 struct mlx5_flow_counter_mng *cmng = &priv->sh->cmng;
8425 /* encap_decap hlist is lcore_share, get global core cache. */
8426 i = MLX5_LIST_GLOBAL;
8427 h = sh->encaps_decaps;
8429 for (j = 0; j <= h->mask; j++) {
8430 l_inconst = &h->buckets[j].l;
8431 if (!l_inconst || !l_inconst->cache[i])
8434 e = LIST_FIRST(&l_inconst->cache[i]->h);
8437 (struct mlx5_flow_dv_encap_decap_resource *)e;
8438 data = encap_decap->buf;
8439 size = encap_decap->size;
8440 id = (uint64_t)(uintptr_t)encap_decap->action;
8441 type = DR_DUMP_REC_TYPE_PMD_PKT_REFORMAT;
8442 save_dump_file(data, size, type,
8444 e = LIST_NEXT(e, next);
8449 /* get modify_hdr */
8450 h = sh->modify_cmds;
8452 lcore_index = rte_lcore_index(rte_lcore_id());
8453 if (unlikely(lcore_index == -1)) {
8454 lcore_index = MLX5_LIST_NLCORE;
8455 rte_spinlock_lock(&h->l_const.lcore_lock);
8459 for (j = 0; j <= h->mask; j++) {
8460 l_inconst = &h->buckets[j].l;
8461 if (!l_inconst || !l_inconst->cache[i])
8464 e = LIST_FIRST(&l_inconst->cache[i]->h);
8467 (struct mlx5_flow_dv_modify_hdr_resource *)e;
8468 data = (const uint8_t *)modify_hdr->actions;
8469 size = (size_t)(modify_hdr->actions_num) * 8;
8470 actions_num = modify_hdr->actions_num;
8471 id = (uint64_t)(uintptr_t)modify_hdr->action;
8472 type = DR_DUMP_REC_TYPE_PMD_MODIFY_HDR;
8473 save_dump_file(data, size, type, id,
8474 (void *)(&actions_num), file);
8475 e = LIST_NEXT(e, next);
8479 if (unlikely(lcore_index == MLX5_LIST_NLCORE))
8480 rte_spinlock_unlock(&h->l_const.lcore_lock);
8484 MLX5_ASSERT(cmng->n_valid <= cmng->n);
8485 max = MLX5_COUNTERS_PER_POOL * cmng->n_valid;
8486 for (j = 1; j <= max; j++) {
8488 flow_dv_query_count_ptr(dev, j, &action, error);
8490 if (!flow_dv_query_count(dev, j, &count, error)) {
8491 type = DR_DUMP_REC_TYPE_PMD_COUNTER;
8492 id = (uint64_t)(uintptr_t)action;
8493 save_dump_file(NULL, 0, type,
8494 id, (void *)&count, file);
8503 * Dump flow raw hw data to file
8506 * The pointer to Ethernet device.
8508 * A pointer to a file for output.
8510 * Perform verbose error reporting if not NULL. PMDs initialize this
8511 * structure in case of error only.
8513 * 0 on success, a nagative value otherwise.
8516 mlx5_flow_dev_dump(struct rte_eth_dev *dev, struct rte_flow *flow_idx,
8518 struct rte_flow_error *error __rte_unused)
8520 struct mlx5_priv *priv = dev->data->dev_private;
8521 struct mlx5_dev_ctx_shared *sh = priv->sh;
8522 uint32_t handle_idx;
8524 struct mlx5_flow_handle *dh;
8525 struct rte_flow *flow;
8527 if (!priv->config.dv_flow_en) {
8528 if (fputs("device dv flow disabled\n", file) <= 0)
8535 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
8536 if (mlx5_flow_dev_dump_sh_all(dev, file, error))
8539 return mlx5_devx_cmd_flow_dump(sh->fdb_domain,
8541 sh->tx_domain, file);
8544 flow = mlx5_ipool_get(priv->flows[MLX5_FLOW_TYPE_GEN],
8545 (uintptr_t)(void *)flow_idx);
8549 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
8550 mlx5_flow_dev_dump_ipool(dev, flow, file, error);
8552 handle_idx = flow->dev_handles;
8553 while (handle_idx) {
8554 dh = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_MLX5_FLOW],
8559 ret = mlx5_devx_cmd_flow_single_dump(dh->drv_flow,
8564 handle_idx = dh->next.next;
8570 * Get aged-out flows.
8573 * Pointer to the Ethernet device structure.
8574 * @param[in] context
8575 * The address of an array of pointers to the aged-out flows contexts.
8576 * @param[in] nb_countexts
8577 * The length of context array pointers.
8579 * Perform verbose error reporting if not NULL. Initialized in case of
8583 * how many contexts get in success, otherwise negative errno value.
8584 * if nb_contexts is 0, return the amount of all aged contexts.
8585 * if nb_contexts is not 0 , return the amount of aged flows reported
8586 * in the context array.
8589 mlx5_flow_get_aged_flows(struct rte_eth_dev *dev, void **contexts,
8590 uint32_t nb_contexts, struct rte_flow_error *error)
8592 const struct mlx5_flow_driver_ops *fops;
8593 struct rte_flow_attr attr = { .transfer = 0 };
8595 if (flow_get_drv_type(dev, &attr) == MLX5_FLOW_TYPE_DV) {
8596 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
8597 return fops->get_aged_flows(dev, contexts, nb_contexts,
8601 "port %u get aged flows is not supported.",
8602 dev->data->port_id);
8606 /* Wrapper for driver action_validate op callback */
8608 flow_drv_action_validate(struct rte_eth_dev *dev,
8609 const struct rte_flow_indir_action_conf *conf,
8610 const struct rte_flow_action *action,
8611 const struct mlx5_flow_driver_ops *fops,
8612 struct rte_flow_error *error)
8614 static const char err_msg[] = "indirect action validation unsupported";
8616 if (!fops->action_validate) {
8617 DRV_LOG(ERR, "port %u %s.", dev->data->port_id, err_msg);
8618 rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
8622 return fops->action_validate(dev, conf, action, error);
8626 * Destroys the shared action by handle.
8629 * Pointer to Ethernet device structure.
8631 * Handle for the indirect action object to be destroyed.
8633 * Perform verbose error reporting if not NULL. PMDs initialize this
8634 * structure in case of error only.
8637 * 0 on success, a negative errno value otherwise and rte_errno is set.
8639 * @note: wrapper for driver action_create op callback.
8642 mlx5_action_handle_destroy(struct rte_eth_dev *dev,
8643 struct rte_flow_action_handle *handle,
8644 struct rte_flow_error *error)
8646 static const char err_msg[] = "indirect action destruction unsupported";
8647 struct rte_flow_attr attr = { .transfer = 0 };
8648 const struct mlx5_flow_driver_ops *fops =
8649 flow_get_drv_ops(flow_get_drv_type(dev, &attr));
8651 if (!fops->action_destroy) {
8652 DRV_LOG(ERR, "port %u %s.", dev->data->port_id, err_msg);
8653 rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
8657 return fops->action_destroy(dev, handle, error);
8660 /* Wrapper for driver action_destroy op callback */
8662 flow_drv_action_update(struct rte_eth_dev *dev,
8663 struct rte_flow_action_handle *handle,
8665 const struct mlx5_flow_driver_ops *fops,
8666 struct rte_flow_error *error)
8668 static const char err_msg[] = "indirect action update unsupported";
8670 if (!fops->action_update) {
8671 DRV_LOG(ERR, "port %u %s.", dev->data->port_id, err_msg);
8672 rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
8676 return fops->action_update(dev, handle, update, error);
8679 /* Wrapper for driver action_destroy op callback */
8681 flow_drv_action_query(struct rte_eth_dev *dev,
8682 const struct rte_flow_action_handle *handle,
8684 const struct mlx5_flow_driver_ops *fops,
8685 struct rte_flow_error *error)
8687 static const char err_msg[] = "indirect action query unsupported";
8689 if (!fops->action_query) {
8690 DRV_LOG(ERR, "port %u %s.", dev->data->port_id, err_msg);
8691 rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
8695 return fops->action_query(dev, handle, data, error);
8699 * Create indirect action for reuse in multiple flow rules.
8702 * Pointer to Ethernet device structure.
8704 * Pointer to indirect action object configuration.
8706 * Action configuration for indirect action object creation.
8708 * Perform verbose error reporting if not NULL. PMDs initialize this
8709 * structure in case of error only.
8711 * A valid handle in case of success, NULL otherwise and rte_errno is set.
8713 static struct rte_flow_action_handle *
8714 mlx5_action_handle_create(struct rte_eth_dev *dev,
8715 const struct rte_flow_indir_action_conf *conf,
8716 const struct rte_flow_action *action,
8717 struct rte_flow_error *error)
8719 static const char err_msg[] = "indirect action creation unsupported";
8720 struct rte_flow_attr attr = { .transfer = 0 };
8721 const struct mlx5_flow_driver_ops *fops =
8722 flow_get_drv_ops(flow_get_drv_type(dev, &attr));
8724 if (flow_drv_action_validate(dev, conf, action, fops, error))
8726 if (!fops->action_create) {
8727 DRV_LOG(ERR, "port %u %s.", dev->data->port_id, err_msg);
8728 rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
8732 return fops->action_create(dev, conf, action, error);
8736 * Updates inplace the indirect action configuration pointed by *handle*
8737 * with the configuration provided as *update* argument.
8738 * The update of the indirect action configuration effects all flow rules
8739 * reusing the action via handle.
8742 * Pointer to Ethernet device structure.
8744 * Handle for the indirect action to be updated.
8746 * Action specification used to modify the action pointed by handle.
8747 * *update* could be of same type with the action pointed by the *handle*
8748 * handle argument, or some other structures like a wrapper, depending on
8749 * the indirect action type.
8751 * Perform verbose error reporting if not NULL. PMDs initialize this
8752 * structure in case of error only.
8755 * 0 on success, a negative errno value otherwise and rte_errno is set.
8758 mlx5_action_handle_update(struct rte_eth_dev *dev,
8759 struct rte_flow_action_handle *handle,
8761 struct rte_flow_error *error)
8763 struct rte_flow_attr attr = { .transfer = 0 };
8764 const struct mlx5_flow_driver_ops *fops =
8765 flow_get_drv_ops(flow_get_drv_type(dev, &attr));
8768 ret = flow_drv_action_validate(dev, NULL,
8769 (const struct rte_flow_action *)update, fops, error);
8772 return flow_drv_action_update(dev, handle, update, fops,
8777 * Query the indirect action by handle.
8779 * This function allows retrieving action-specific data such as counters.
8780 * Data is gathered by special action which may be present/referenced in
8781 * more than one flow rule definition.
8783 * see @RTE_FLOW_ACTION_TYPE_COUNT
8786 * Pointer to Ethernet device structure.
8788 * Handle for the indirect action to query.
8789 * @param[in, out] data
8790 * Pointer to storage for the associated query data type.
8792 * Perform verbose error reporting if not NULL. PMDs initialize this
8793 * structure in case of error only.
8796 * 0 on success, a negative errno value otherwise and rte_errno is set.
8799 mlx5_action_handle_query(struct rte_eth_dev *dev,
8800 const struct rte_flow_action_handle *handle,
8802 struct rte_flow_error *error)
8804 struct rte_flow_attr attr = { .transfer = 0 };
8805 const struct mlx5_flow_driver_ops *fops =
8806 flow_get_drv_ops(flow_get_drv_type(dev, &attr));
8808 return flow_drv_action_query(dev, handle, data, fops, error);
8812 * Destroy all indirect actions (shared RSS).
8815 * Pointer to Ethernet device.
8818 * 0 on success, a negative errno value otherwise and rte_errno is set.
8821 mlx5_action_handle_flush(struct rte_eth_dev *dev)
8823 struct rte_flow_error error;
8824 struct mlx5_priv *priv = dev->data->dev_private;
8825 struct mlx5_shared_action_rss *shared_rss;
8829 ILIST_FOREACH(priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS],
8830 priv->rss_shared_actions, idx, shared_rss, next) {
8831 ret |= mlx5_action_handle_destroy(dev,
8832 (struct rte_flow_action_handle *)(uintptr_t)idx, &error);
8838 * Validate existing indirect actions against current device configuration
8839 * and attach them to device resources.
8842 * Pointer to Ethernet device.
8845 * 0 on success, a negative errno value otherwise and rte_errno is set.
8848 mlx5_action_handle_attach(struct rte_eth_dev *dev)
8850 struct mlx5_priv *priv = dev->data->dev_private;
8851 struct mlx5_indexed_pool *ipool =
8852 priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS];
8853 struct mlx5_shared_action_rss *shared_rss, *shared_rss_last;
8857 ILIST_FOREACH(ipool, priv->rss_shared_actions, idx, shared_rss, next) {
8858 struct mlx5_ind_table_obj *ind_tbl = shared_rss->ind_tbl;
8859 const char *message;
8862 ret = mlx5_validate_rss_queues(dev, ind_tbl->queues,
8864 &message, &queue_idx);
8866 DRV_LOG(ERR, "Port %u cannot use queue %u in RSS: %s",
8867 dev->data->port_id, ind_tbl->queues[queue_idx],
8874 ILIST_FOREACH(ipool, priv->rss_shared_actions, idx, shared_rss, next) {
8875 struct mlx5_ind_table_obj *ind_tbl = shared_rss->ind_tbl;
8877 ret = mlx5_ind_table_obj_attach(dev, ind_tbl);
8879 DRV_LOG(ERR, "Port %u could not attach "
8880 "indirection table obj %p",
8881 dev->data->port_id, (void *)ind_tbl);
8887 shared_rss_last = shared_rss;
8888 ILIST_FOREACH(ipool, priv->rss_shared_actions, idx, shared_rss, next) {
8889 struct mlx5_ind_table_obj *ind_tbl = shared_rss->ind_tbl;
8891 if (shared_rss == shared_rss_last)
8893 if (mlx5_ind_table_obj_detach(dev, ind_tbl) != 0)
8894 DRV_LOG(CRIT, "Port %u could not detach "
8895 "indirection table obj %p on rollback",
8896 dev->data->port_id, (void *)ind_tbl);
8902 * Detach indirect actions of the device from its resources.
8905 * Pointer to Ethernet device.
8908 * 0 on success, a negative errno value otherwise and rte_errno is set.
8911 mlx5_action_handle_detach(struct rte_eth_dev *dev)
8913 struct mlx5_priv *priv = dev->data->dev_private;
8914 struct mlx5_indexed_pool *ipool =
8915 priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS];
8916 struct mlx5_shared_action_rss *shared_rss, *shared_rss_last;
8920 ILIST_FOREACH(ipool, priv->rss_shared_actions, idx, shared_rss, next) {
8921 struct mlx5_ind_table_obj *ind_tbl = shared_rss->ind_tbl;
8923 ret = mlx5_ind_table_obj_detach(dev, ind_tbl);
8925 DRV_LOG(ERR, "Port %u could not detach "
8926 "indirection table obj %p",
8927 dev->data->port_id, (void *)ind_tbl);
8933 shared_rss_last = shared_rss;
8934 ILIST_FOREACH(ipool, priv->rss_shared_actions, idx, shared_rss, next) {
8935 struct mlx5_ind_table_obj *ind_tbl = shared_rss->ind_tbl;
8937 if (shared_rss == shared_rss_last)
8939 if (mlx5_ind_table_obj_attach(dev, ind_tbl) != 0)
8940 DRV_LOG(CRIT, "Port %u could not attach "
8941 "indirection table obj %p on rollback",
8942 dev->data->port_id, (void *)ind_tbl);
8947 #ifndef HAVE_MLX5DV_DR
8948 #define MLX5_DOMAIN_SYNC_FLOW ((1 << 0) | (1 << 1))
8950 #define MLX5_DOMAIN_SYNC_FLOW \
8951 (MLX5DV_DR_DOMAIN_SYNC_FLAGS_SW | MLX5DV_DR_DOMAIN_SYNC_FLAGS_HW)
8954 int rte_pmd_mlx5_sync_flow(uint16_t port_id, uint32_t domains)
8956 struct rte_eth_dev *dev = &rte_eth_devices[port_id];
8957 const struct mlx5_flow_driver_ops *fops;
8959 struct rte_flow_attr attr = { .transfer = 0 };
8961 fops = flow_get_drv_ops(flow_get_drv_type(dev, &attr));
8962 ret = fops->sync_domain(dev, domains, MLX5_DOMAIN_SYNC_FLOW);
8968 const struct mlx5_flow_tunnel *
8969 mlx5_get_tof(const struct rte_flow_item *item,
8970 const struct rte_flow_action *action,
8971 enum mlx5_tof_rule_type *rule_type)
8973 for (; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
8974 if (item->type == (typeof(item->type))
8975 MLX5_RTE_FLOW_ITEM_TYPE_TUNNEL) {
8976 *rule_type = MLX5_TUNNEL_OFFLOAD_MATCH_RULE;
8977 return flow_items_to_tunnel(item);
8980 for (; action->conf != RTE_FLOW_ACTION_TYPE_END; action++) {
8981 if (action->type == (typeof(action->type))
8982 MLX5_RTE_FLOW_ACTION_TYPE_TUNNEL_SET) {
8983 *rule_type = MLX5_TUNNEL_OFFLOAD_SET_RULE;
8984 return flow_actions_to_tunnel(action);
8991 * tunnel offload functionalilty is defined for DV environment only
8993 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
8995 union tunnel_offload_mark {
8998 uint32_t app_reserve:8;
8999 uint32_t table_id:15;
9000 uint32_t transfer:1;
9001 uint32_t _unused_:8;
9006 mlx5_access_tunnel_offload_db
9007 (struct rte_eth_dev *dev,
9008 bool (*match)(struct rte_eth_dev *,
9009 struct mlx5_flow_tunnel *, const void *),
9010 void (*hit)(struct rte_eth_dev *, struct mlx5_flow_tunnel *, void *),
9011 void (*miss)(struct rte_eth_dev *, void *),
9012 void *ctx, bool lock_op);
9015 flow_tunnel_add_default_miss(struct rte_eth_dev *dev,
9016 struct rte_flow *flow,
9017 const struct rte_flow_attr *attr,
9018 const struct rte_flow_action *app_actions,
9020 const struct mlx5_flow_tunnel *tunnel,
9021 struct tunnel_default_miss_ctx *ctx,
9022 struct rte_flow_error *error)
9024 struct mlx5_priv *priv = dev->data->dev_private;
9025 struct mlx5_flow *dev_flow;
9026 struct rte_flow_attr miss_attr = *attr;
9027 const struct rte_flow_item miss_items[2] = {
9029 .type = RTE_FLOW_ITEM_TYPE_ETH,
9035 .type = RTE_FLOW_ITEM_TYPE_END,
9041 union tunnel_offload_mark mark_id;
9042 struct rte_flow_action_mark miss_mark;
9043 struct rte_flow_action miss_actions[3] = {
9044 [0] = { .type = RTE_FLOW_ACTION_TYPE_MARK, .conf = &miss_mark },
9045 [2] = { .type = RTE_FLOW_ACTION_TYPE_END, .conf = NULL }
9047 const struct rte_flow_action_jump *jump_data;
9048 uint32_t i, flow_table = 0; /* prevent compilation warning */
9049 struct flow_grp_info grp_info = {
9051 .transfer = attr->transfer,
9052 .fdb_def_rule = !!priv->fdb_def_rule,
9057 if (!attr->transfer) {
9060 miss_actions[1].type = RTE_FLOW_ACTION_TYPE_RSS;
9061 q_size = priv->reta_idx_n * sizeof(ctx->queue[0]);
9062 ctx->queue = mlx5_malloc(MLX5_MEM_SYS | MLX5_MEM_ZERO, q_size,
9065 return rte_flow_error_set
9067 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
9068 NULL, "invalid default miss RSS");
9069 ctx->action_rss.func = RTE_ETH_HASH_FUNCTION_DEFAULT,
9070 ctx->action_rss.level = 0,
9071 ctx->action_rss.types = priv->rss_conf.rss_hf,
9072 ctx->action_rss.key_len = priv->rss_conf.rss_key_len,
9073 ctx->action_rss.queue_num = priv->reta_idx_n,
9074 ctx->action_rss.key = priv->rss_conf.rss_key,
9075 ctx->action_rss.queue = ctx->queue;
9076 if (!priv->reta_idx_n || !priv->rxqs_n)
9077 return rte_flow_error_set
9079 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
9080 NULL, "invalid port configuration");
9081 if (!(dev->data->dev_conf.rxmode.mq_mode & RTE_ETH_MQ_RX_RSS_FLAG))
9082 ctx->action_rss.types = 0;
9083 for (i = 0; i != priv->reta_idx_n; ++i)
9084 ctx->queue[i] = (*priv->reta_idx)[i];
9086 miss_actions[1].type = RTE_FLOW_ACTION_TYPE_JUMP;
9087 ctx->miss_jump.group = MLX5_TNL_MISS_FDB_JUMP_GRP;
9089 miss_actions[1].conf = (typeof(miss_actions[1].conf))ctx->raw;
9090 for (; app_actions->type != RTE_FLOW_ACTION_TYPE_JUMP; app_actions++);
9091 jump_data = app_actions->conf;
9092 miss_attr.priority = MLX5_TNL_MISS_RULE_PRIORITY;
9093 miss_attr.group = jump_data->group;
9094 ret = mlx5_flow_group_to_table(dev, tunnel, jump_data->group,
9095 &flow_table, &grp_info, error);
9097 return rte_flow_error_set(error, EINVAL,
9098 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
9099 NULL, "invalid tunnel id");
9100 mark_id.app_reserve = 0;
9101 mark_id.table_id = tunnel_flow_tbl_to_id(flow_table);
9102 mark_id.transfer = !!attr->transfer;
9103 mark_id._unused_ = 0;
9104 miss_mark.id = mark_id.val;
9105 dev_flow = flow_drv_prepare(dev, flow, &miss_attr,
9106 miss_items, miss_actions, flow_idx, error);
9109 dev_flow->flow = flow;
9110 dev_flow->external = true;
9111 dev_flow->tunnel = tunnel;
9112 dev_flow->tof_type = MLX5_TUNNEL_OFFLOAD_MISS_RULE;
9113 /* Subflow object was created, we must include one in the list. */
9114 SILIST_INSERT(&flow->dev_handles, dev_flow->handle_idx,
9115 dev_flow->handle, next);
9117 "port %u tunnel type=%d id=%u miss rule priority=%u group=%u",
9118 dev->data->port_id, tunnel->app_tunnel.type,
9119 tunnel->tunnel_id, miss_attr.priority, miss_attr.group);
9120 ret = flow_drv_translate(dev, dev_flow, &miss_attr, miss_items,
9121 miss_actions, error);
9123 ret = flow_mreg_update_copy_table(dev, flow, miss_actions,
9129 static const struct mlx5_flow_tbl_data_entry *
9130 tunnel_mark_decode(struct rte_eth_dev *dev, uint32_t mark)
9132 struct mlx5_priv *priv = dev->data->dev_private;
9133 struct mlx5_dev_ctx_shared *sh = priv->sh;
9134 struct mlx5_list_entry *he;
9135 union tunnel_offload_mark mbits = { .val = mark };
9136 union mlx5_flow_tbl_key table_key = {
9138 .level = tunnel_id_to_flow_tbl(mbits.table_id),
9142 .is_fdb = !!mbits.transfer,
9146 struct mlx5_flow_cb_ctx ctx = {
9147 .data = &table_key.v64,
9150 he = mlx5_hlist_lookup(sh->flow_tbls, table_key.v64, &ctx);
9152 container_of(he, struct mlx5_flow_tbl_data_entry, entry) : NULL;
9156 mlx5_flow_tunnel_grp2tbl_remove_cb(void *tool_ctx,
9157 struct mlx5_list_entry *entry)
9159 struct mlx5_dev_ctx_shared *sh = tool_ctx;
9160 struct tunnel_tbl_entry *tte = container_of(entry, typeof(*tte), hash);
9162 mlx5_ipool_free(sh->ipool[MLX5_IPOOL_TNL_TBL_ID],
9163 tunnel_flow_tbl_to_id(tte->flow_table));
9168 mlx5_flow_tunnel_grp2tbl_match_cb(void *tool_ctx __rte_unused,
9169 struct mlx5_list_entry *entry, void *cb_ctx)
9171 struct mlx5_flow_cb_ctx *ctx = cb_ctx;
9172 union tunnel_tbl_key tbl = {
9173 .val = *(uint64_t *)(ctx->data),
9175 struct tunnel_tbl_entry *tte = container_of(entry, typeof(*tte), hash);
9177 return tbl.tunnel_id != tte->tunnel_id || tbl.group != tte->group;
9180 static struct mlx5_list_entry *
9181 mlx5_flow_tunnel_grp2tbl_create_cb(void *tool_ctx, void *cb_ctx)
9183 struct mlx5_dev_ctx_shared *sh = tool_ctx;
9184 struct mlx5_flow_cb_ctx *ctx = cb_ctx;
9185 struct tunnel_tbl_entry *tte;
9186 union tunnel_tbl_key tbl = {
9187 .val = *(uint64_t *)(ctx->data),
9190 tte = mlx5_malloc(MLX5_MEM_SYS | MLX5_MEM_ZERO,
9195 mlx5_ipool_malloc(sh->ipool[MLX5_IPOOL_TNL_TBL_ID],
9197 if (tte->flow_table >= MLX5_MAX_TABLES) {
9198 DRV_LOG(ERR, "Tunnel TBL ID %d exceed max limit.",
9200 mlx5_ipool_free(sh->ipool[MLX5_IPOOL_TNL_TBL_ID],
9203 } else if (!tte->flow_table) {
9206 tte->flow_table = tunnel_id_to_flow_tbl(tte->flow_table);
9207 tte->tunnel_id = tbl.tunnel_id;
9208 tte->group = tbl.group;
9216 static struct mlx5_list_entry *
9217 mlx5_flow_tunnel_grp2tbl_clone_cb(void *tool_ctx __rte_unused,
9218 struct mlx5_list_entry *oentry,
9219 void *cb_ctx __rte_unused)
9221 struct tunnel_tbl_entry *tte = mlx5_malloc(MLX5_MEM_SYS, sizeof(*tte),
9226 memcpy(tte, oentry, sizeof(*tte));
9231 mlx5_flow_tunnel_grp2tbl_clone_free_cb(void *tool_ctx __rte_unused,
9232 struct mlx5_list_entry *entry)
9234 struct tunnel_tbl_entry *tte = container_of(entry, typeof(*tte), hash);
9240 tunnel_flow_group_to_flow_table(struct rte_eth_dev *dev,
9241 const struct mlx5_flow_tunnel *tunnel,
9242 uint32_t group, uint32_t *table,
9243 struct rte_flow_error *error)
9245 struct mlx5_list_entry *he;
9246 struct tunnel_tbl_entry *tte;
9247 union tunnel_tbl_key key = {
9248 .tunnel_id = tunnel ? tunnel->tunnel_id : 0,
9251 struct mlx5_flow_tunnel_hub *thub = mlx5_tunnel_hub(dev);
9252 struct mlx5_hlist *group_hash;
9253 struct mlx5_flow_cb_ctx ctx = {
9257 group_hash = tunnel ? tunnel->groups : thub->groups;
9258 he = mlx5_hlist_register(group_hash, key.val, &ctx);
9260 return rte_flow_error_set(error, EINVAL,
9261 RTE_FLOW_ERROR_TYPE_ATTR_GROUP,
9263 "tunnel group index not supported");
9264 tte = container_of(he, typeof(*tte), hash);
9265 *table = tte->flow_table;
9266 DRV_LOG(DEBUG, "port %u tunnel %u group=%#x table=%#x",
9267 dev->data->port_id, key.tunnel_id, group, *table);
9272 mlx5_flow_tunnel_free(struct rte_eth_dev *dev,
9273 struct mlx5_flow_tunnel *tunnel)
9275 struct mlx5_priv *priv = dev->data->dev_private;
9276 struct mlx5_indexed_pool *ipool;
9278 DRV_LOG(DEBUG, "port %u release pmd tunnel id=0x%x",
9279 dev->data->port_id, tunnel->tunnel_id);
9280 LIST_REMOVE(tunnel, chain);
9281 mlx5_hlist_destroy(tunnel->groups);
9282 ipool = priv->sh->ipool[MLX5_IPOOL_TUNNEL_ID];
9283 mlx5_ipool_free(ipool, tunnel->tunnel_id);
9287 mlx5_access_tunnel_offload_db
9288 (struct rte_eth_dev *dev,
9289 bool (*match)(struct rte_eth_dev *,
9290 struct mlx5_flow_tunnel *, const void *),
9291 void (*hit)(struct rte_eth_dev *, struct mlx5_flow_tunnel *, void *),
9292 void (*miss)(struct rte_eth_dev *, void *),
9293 void *ctx, bool lock_op)
9295 bool verdict = false;
9296 struct mlx5_flow_tunnel_hub *thub = mlx5_tunnel_hub(dev);
9297 struct mlx5_flow_tunnel *tunnel;
9299 rte_spinlock_lock(&thub->sl);
9300 LIST_FOREACH(tunnel, &thub->tunnels, chain) {
9301 verdict = match(dev, tunnel, (const void *)ctx);
9306 rte_spinlock_unlock(&thub->sl);
9308 hit(dev, tunnel, ctx);
9309 if (!verdict && miss)
9312 rte_spinlock_unlock(&thub->sl);
9317 struct tunnel_db_find_tunnel_id_ctx {
9319 struct mlx5_flow_tunnel *tunnel;
9323 find_tunnel_id_match(struct rte_eth_dev *dev,
9324 struct mlx5_flow_tunnel *tunnel, const void *x)
9326 const struct tunnel_db_find_tunnel_id_ctx *ctx = x;
9329 return tunnel->tunnel_id == ctx->tunnel_id;
9333 find_tunnel_id_hit(struct rte_eth_dev *dev,
9334 struct mlx5_flow_tunnel *tunnel, void *x)
9336 struct tunnel_db_find_tunnel_id_ctx *ctx = x;
9338 ctx->tunnel = tunnel;
9341 static struct mlx5_flow_tunnel *
9342 mlx5_find_tunnel_id(struct rte_eth_dev *dev, uint32_t id)
9344 struct tunnel_db_find_tunnel_id_ctx ctx = {
9348 mlx5_access_tunnel_offload_db(dev, find_tunnel_id_match,
9349 find_tunnel_id_hit, NULL, &ctx, true);
9354 static struct mlx5_flow_tunnel *
9355 mlx5_flow_tunnel_allocate(struct rte_eth_dev *dev,
9356 const struct rte_flow_tunnel *app_tunnel)
9358 struct mlx5_priv *priv = dev->data->dev_private;
9359 struct mlx5_indexed_pool *ipool;
9360 struct mlx5_flow_tunnel *tunnel;
9363 ipool = priv->sh->ipool[MLX5_IPOOL_TUNNEL_ID];
9364 tunnel = mlx5_ipool_zmalloc(ipool, &id);
9367 if (id >= MLX5_MAX_TUNNELS) {
9368 mlx5_ipool_free(ipool, id);
9369 DRV_LOG(ERR, "Tunnel ID %d exceed max limit.", id);
9372 tunnel->groups = mlx5_hlist_create("tunnel groups", 64, false, true,
9374 mlx5_flow_tunnel_grp2tbl_create_cb,
9375 mlx5_flow_tunnel_grp2tbl_match_cb,
9376 mlx5_flow_tunnel_grp2tbl_remove_cb,
9377 mlx5_flow_tunnel_grp2tbl_clone_cb,
9378 mlx5_flow_tunnel_grp2tbl_clone_free_cb);
9379 if (!tunnel->groups) {
9380 mlx5_ipool_free(ipool, id);
9383 /* initiate new PMD tunnel */
9384 memcpy(&tunnel->app_tunnel, app_tunnel, sizeof(*app_tunnel));
9385 tunnel->tunnel_id = id;
9386 tunnel->action.type = (typeof(tunnel->action.type))
9387 MLX5_RTE_FLOW_ACTION_TYPE_TUNNEL_SET;
9388 tunnel->action.conf = tunnel;
9389 tunnel->item.type = (typeof(tunnel->item.type))
9390 MLX5_RTE_FLOW_ITEM_TYPE_TUNNEL;
9391 tunnel->item.spec = tunnel;
9392 tunnel->item.last = NULL;
9393 tunnel->item.mask = NULL;
9395 DRV_LOG(DEBUG, "port %u new pmd tunnel id=0x%x",
9396 dev->data->port_id, tunnel->tunnel_id);
9401 struct tunnel_db_get_tunnel_ctx {
9402 const struct rte_flow_tunnel *app_tunnel;
9403 struct mlx5_flow_tunnel *tunnel;
9406 static bool get_tunnel_match(struct rte_eth_dev *dev,
9407 struct mlx5_flow_tunnel *tunnel, const void *x)
9409 const struct tunnel_db_get_tunnel_ctx *ctx = x;
9412 return !memcmp(ctx->app_tunnel, &tunnel->app_tunnel,
9413 sizeof(*ctx->app_tunnel));
9416 static void get_tunnel_hit(struct rte_eth_dev *dev,
9417 struct mlx5_flow_tunnel *tunnel, void *x)
9419 /* called under tunnel spinlock protection */
9420 struct tunnel_db_get_tunnel_ctx *ctx = x;
9424 ctx->tunnel = tunnel;
9427 static void get_tunnel_miss(struct rte_eth_dev *dev, void *x)
9429 /* called under tunnel spinlock protection */
9430 struct mlx5_flow_tunnel_hub *thub = mlx5_tunnel_hub(dev);
9431 struct tunnel_db_get_tunnel_ctx *ctx = x;
9433 rte_spinlock_unlock(&thub->sl);
9434 ctx->tunnel = mlx5_flow_tunnel_allocate(dev, ctx->app_tunnel);
9435 rte_spinlock_lock(&thub->sl);
9437 ctx->tunnel->refctn = 1;
9438 LIST_INSERT_HEAD(&thub->tunnels, ctx->tunnel, chain);
9444 mlx5_get_flow_tunnel(struct rte_eth_dev *dev,
9445 const struct rte_flow_tunnel *app_tunnel,
9446 struct mlx5_flow_tunnel **tunnel)
9448 struct tunnel_db_get_tunnel_ctx ctx = {
9449 .app_tunnel = app_tunnel,
9452 mlx5_access_tunnel_offload_db(dev, get_tunnel_match, get_tunnel_hit,
9453 get_tunnel_miss, &ctx, true);
9454 *tunnel = ctx.tunnel;
9455 return ctx.tunnel ? 0 : -ENOMEM;
9458 void mlx5_release_tunnel_hub(struct mlx5_dev_ctx_shared *sh, uint16_t port_id)
9460 struct mlx5_flow_tunnel_hub *thub = sh->tunnel_hub;
9464 if (!LIST_EMPTY(&thub->tunnels))
9465 DRV_LOG(WARNING, "port %u tunnels present", port_id);
9466 mlx5_hlist_destroy(thub->groups);
9470 int mlx5_alloc_tunnel_hub(struct mlx5_dev_ctx_shared *sh)
9473 struct mlx5_flow_tunnel_hub *thub;
9475 thub = mlx5_malloc(MLX5_MEM_SYS | MLX5_MEM_ZERO, sizeof(*thub),
9479 LIST_INIT(&thub->tunnels);
9480 rte_spinlock_init(&thub->sl);
9481 thub->groups = mlx5_hlist_create("flow groups", 64,
9483 mlx5_flow_tunnel_grp2tbl_create_cb,
9484 mlx5_flow_tunnel_grp2tbl_match_cb,
9485 mlx5_flow_tunnel_grp2tbl_remove_cb,
9486 mlx5_flow_tunnel_grp2tbl_clone_cb,
9487 mlx5_flow_tunnel_grp2tbl_clone_free_cb);
9488 if (!thub->groups) {
9492 sh->tunnel_hub = thub;
9498 mlx5_hlist_destroy(thub->groups);
9505 mlx5_flow_tunnel_validate(struct rte_eth_dev *dev,
9506 struct rte_flow_tunnel *tunnel,
9507 const char *err_msg)
9510 if (!is_tunnel_offload_active(dev)) {
9511 err_msg = "tunnel offload was not activated";
9513 } else if (!tunnel) {
9514 err_msg = "no application tunnel";
9518 switch (tunnel->type) {
9520 err_msg = "unsupported tunnel type";
9522 case RTE_FLOW_ITEM_TYPE_VXLAN:
9523 case RTE_FLOW_ITEM_TYPE_GRE:
9524 case RTE_FLOW_ITEM_TYPE_NVGRE:
9525 case RTE_FLOW_ITEM_TYPE_GENEVE:
9534 mlx5_flow_tunnel_decap_set(struct rte_eth_dev *dev,
9535 struct rte_flow_tunnel *app_tunnel,
9536 struct rte_flow_action **actions,
9537 uint32_t *num_of_actions,
9538 struct rte_flow_error *error)
9541 struct mlx5_flow_tunnel *tunnel;
9542 const char *err_msg = NULL;
9543 bool verdict = mlx5_flow_tunnel_validate(dev, app_tunnel, err_msg);
9546 return rte_flow_error_set(error, EINVAL,
9547 RTE_FLOW_ERROR_TYPE_ACTION_CONF, NULL,
9549 ret = mlx5_get_flow_tunnel(dev, app_tunnel, &tunnel);
9551 return rte_flow_error_set(error, ret,
9552 RTE_FLOW_ERROR_TYPE_ACTION_CONF, NULL,
9553 "failed to initialize pmd tunnel");
9555 *actions = &tunnel->action;
9556 *num_of_actions = 1;
9561 mlx5_flow_tunnel_match(struct rte_eth_dev *dev,
9562 struct rte_flow_tunnel *app_tunnel,
9563 struct rte_flow_item **items,
9564 uint32_t *num_of_items,
9565 struct rte_flow_error *error)
9568 struct mlx5_flow_tunnel *tunnel;
9569 const char *err_msg = NULL;
9570 bool verdict = mlx5_flow_tunnel_validate(dev, app_tunnel, err_msg);
9573 return rte_flow_error_set(error, EINVAL,
9574 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
9576 ret = mlx5_get_flow_tunnel(dev, app_tunnel, &tunnel);
9578 return rte_flow_error_set(error, ret,
9579 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
9580 "failed to initialize pmd tunnel");
9582 *items = &tunnel->item;
9587 struct tunnel_db_element_release_ctx {
9588 struct rte_flow_item *items;
9589 struct rte_flow_action *actions;
9590 uint32_t num_elements;
9591 struct rte_flow_error *error;
9596 tunnel_element_release_match(struct rte_eth_dev *dev,
9597 struct mlx5_flow_tunnel *tunnel, const void *x)
9599 const struct tunnel_db_element_release_ctx *ctx = x;
9602 if (ctx->num_elements != 1)
9604 else if (ctx->items)
9605 return ctx->items == &tunnel->item;
9606 else if (ctx->actions)
9607 return ctx->actions == &tunnel->action;
9613 tunnel_element_release_hit(struct rte_eth_dev *dev,
9614 struct mlx5_flow_tunnel *tunnel, void *x)
9616 struct tunnel_db_element_release_ctx *ctx = x;
9618 if (!__atomic_sub_fetch(&tunnel->refctn, 1, __ATOMIC_RELAXED))
9619 mlx5_flow_tunnel_free(dev, tunnel);
9623 tunnel_element_release_miss(struct rte_eth_dev *dev, void *x)
9625 struct tunnel_db_element_release_ctx *ctx = x;
9627 ctx->ret = rte_flow_error_set(ctx->error, EINVAL,
9628 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
9629 "invalid argument");
9633 mlx5_flow_tunnel_item_release(struct rte_eth_dev *dev,
9634 struct rte_flow_item *pmd_items,
9635 uint32_t num_items, struct rte_flow_error *err)
9637 struct tunnel_db_element_release_ctx ctx = {
9640 .num_elements = num_items,
9644 mlx5_access_tunnel_offload_db(dev, tunnel_element_release_match,
9645 tunnel_element_release_hit,
9646 tunnel_element_release_miss, &ctx, false);
9652 mlx5_flow_tunnel_action_release(struct rte_eth_dev *dev,
9653 struct rte_flow_action *pmd_actions,
9654 uint32_t num_actions, struct rte_flow_error *err)
9656 struct tunnel_db_element_release_ctx ctx = {
9658 .actions = pmd_actions,
9659 .num_elements = num_actions,
9663 mlx5_access_tunnel_offload_db(dev, tunnel_element_release_match,
9664 tunnel_element_release_hit,
9665 tunnel_element_release_miss, &ctx, false);
9671 mlx5_flow_tunnel_get_restore_info(struct rte_eth_dev *dev,
9673 struct rte_flow_restore_info *info,
9674 struct rte_flow_error *err)
9676 uint64_t ol_flags = m->ol_flags;
9677 const struct mlx5_flow_tbl_data_entry *tble;
9678 const uint64_t mask = RTE_MBUF_F_RX_FDIR | RTE_MBUF_F_RX_FDIR_ID;
9680 if (!is_tunnel_offload_active(dev)) {
9685 if ((ol_flags & mask) != mask)
9687 tble = tunnel_mark_decode(dev, m->hash.fdir.hi);
9689 DRV_LOG(DEBUG, "port %u invalid miss tunnel mark %#x",
9690 dev->data->port_id, m->hash.fdir.hi);
9693 MLX5_ASSERT(tble->tunnel);
9694 memcpy(&info->tunnel, &tble->tunnel->app_tunnel, sizeof(info->tunnel));
9695 info->group_id = tble->group_id;
9696 info->flags = RTE_FLOW_RESTORE_INFO_TUNNEL |
9697 RTE_FLOW_RESTORE_INFO_GROUP_ID |
9698 RTE_FLOW_RESTORE_INFO_ENCAPSULATED;
9703 return rte_flow_error_set(err, EINVAL,
9704 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
9705 "failed to get restore info");
9708 #else /* HAVE_IBV_FLOW_DV_SUPPORT */
9710 mlx5_flow_tunnel_decap_set(__rte_unused struct rte_eth_dev *dev,
9711 __rte_unused struct rte_flow_tunnel *app_tunnel,
9712 __rte_unused struct rte_flow_action **actions,
9713 __rte_unused uint32_t *num_of_actions,
9714 __rte_unused struct rte_flow_error *error)
9720 mlx5_flow_tunnel_match(__rte_unused struct rte_eth_dev *dev,
9721 __rte_unused struct rte_flow_tunnel *app_tunnel,
9722 __rte_unused struct rte_flow_item **items,
9723 __rte_unused uint32_t *num_of_items,
9724 __rte_unused struct rte_flow_error *error)
9730 mlx5_flow_tunnel_item_release(__rte_unused struct rte_eth_dev *dev,
9731 __rte_unused struct rte_flow_item *pmd_items,
9732 __rte_unused uint32_t num_items,
9733 __rte_unused struct rte_flow_error *err)
9739 mlx5_flow_tunnel_action_release(__rte_unused struct rte_eth_dev *dev,
9740 __rte_unused struct rte_flow_action *pmd_action,
9741 __rte_unused uint32_t num_actions,
9742 __rte_unused struct rte_flow_error *err)
9748 mlx5_flow_tunnel_get_restore_info(__rte_unused struct rte_eth_dev *dev,
9749 __rte_unused struct rte_mbuf *m,
9750 __rte_unused struct rte_flow_restore_info *i,
9751 __rte_unused struct rte_flow_error *err)
9757 flow_tunnel_add_default_miss(__rte_unused struct rte_eth_dev *dev,
9758 __rte_unused struct rte_flow *flow,
9759 __rte_unused const struct rte_flow_attr *attr,
9760 __rte_unused const struct rte_flow_action *actions,
9761 __rte_unused uint32_t flow_idx,
9762 __rte_unused const struct mlx5_flow_tunnel *tunnel,
9763 __rte_unused struct tunnel_default_miss_ctx *ctx,
9764 __rte_unused struct rte_flow_error *error)
9769 static struct mlx5_flow_tunnel *
9770 mlx5_find_tunnel_id(__rte_unused struct rte_eth_dev *dev,
9771 __rte_unused uint32_t id)
9777 mlx5_flow_tunnel_free(__rte_unused struct rte_eth_dev *dev,
9778 __rte_unused struct mlx5_flow_tunnel *tunnel)
9783 tunnel_flow_group_to_flow_table(__rte_unused struct rte_eth_dev *dev,
9784 __rte_unused const struct mlx5_flow_tunnel *t,
9785 __rte_unused uint32_t group,
9786 __rte_unused uint32_t *table,
9787 struct rte_flow_error *error)
9789 return rte_flow_error_set(error, ENOTSUP,
9790 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
9791 "tunnel offload requires DV support");
9795 mlx5_release_tunnel_hub(__rte_unused struct mlx5_dev_ctx_shared *sh,
9796 __rte_unused uint16_t port_id)
9799 #endif /* HAVE_IBV_FLOW_DV_SUPPORT */
9801 /* Flex flow item API */
9802 static struct rte_flow_item_flex_handle *
9803 mlx5_flow_flex_item_create(struct rte_eth_dev *dev,
9804 const struct rte_flow_item_flex_conf *conf,
9805 struct rte_flow_error *error)
9807 static const char err_msg[] = "flex item creation unsupported";
9808 struct rte_flow_attr attr = { .transfer = 0 };
9809 const struct mlx5_flow_driver_ops *fops =
9810 flow_get_drv_ops(flow_get_drv_type(dev, &attr));
9812 if (!fops->item_create) {
9813 DRV_LOG(ERR, "port %u %s.", dev->data->port_id, err_msg);
9814 rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
9818 return fops->item_create(dev, conf, error);
9822 mlx5_flow_flex_item_release(struct rte_eth_dev *dev,
9823 const struct rte_flow_item_flex_handle *handle,
9824 struct rte_flow_error *error)
9826 static const char err_msg[] = "flex item release unsupported";
9827 struct rte_flow_attr attr = { .transfer = 0 };
9828 const struct mlx5_flow_driver_ops *fops =
9829 flow_get_drv_ops(flow_get_drv_type(dev, &attr));
9831 if (!fops->item_release) {
9832 DRV_LOG(ERR, "port %u %s.", dev->data->port_id, err_msg);
9833 rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
9837 return fops->item_release(dev, handle, error);
9841 mlx5_dbg__print_pattern(const struct rte_flow_item *item)
9844 struct rte_flow_error error;
9846 for (; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
9848 ret = rte_flow_conv(RTE_FLOW_CONV_OP_ITEM_NAME_PTR, &item_name,
9850 (void *)(uintptr_t)item->type, &error);
9852 printf("%s ", item_name);
9854 printf("%d\n", (int)item->type);
9860 mlx5_flow_is_std_vxlan_port(const struct rte_flow_item *udp_item)
9862 const struct rte_flow_item_udp *spec = udp_item->spec;
9863 const struct rte_flow_item_udp *mask = udp_item->mask;
9864 uint16_t udp_dport = 0;
9868 mask = &rte_flow_item_udp_mask;
9869 udp_dport = rte_be_to_cpu_16(spec->hdr.dst_port &
9870 mask->hdr.dst_port);
9872 return (!udp_dport || udp_dport == MLX5_UDP_PORT_VXLAN);
9875 static const struct mlx5_flow_expand_node *
9876 mlx5_flow_expand_rss_adjust_node(const struct rte_flow_item *pattern,
9877 unsigned int item_idx,
9878 const struct mlx5_flow_expand_node graph[],
9879 const struct mlx5_flow_expand_node *node)
9881 const struct rte_flow_item *item = pattern + item_idx, *prev_item;
9883 if (item->type == RTE_FLOW_ITEM_TYPE_VXLAN &&
9885 node->type == RTE_FLOW_ITEM_TYPE_VXLAN) {
9887 * The expansion node is VXLAN and it is also the last
9888 * expandable item in the pattern, so need to continue
9889 * expansion of the inner tunnel.
9891 MLX5_ASSERT(item_idx > 0);
9892 prev_item = pattern + item_idx - 1;
9893 MLX5_ASSERT(prev_item->type == RTE_FLOW_ITEM_TYPE_UDP);
9894 if (mlx5_flow_is_std_vxlan_port(prev_item))
9895 return &graph[MLX5_EXPANSION_STD_VXLAN];
9896 return &graph[MLX5_EXPANSION_L3_VXLAN];
9901 /* Map of Verbs to Flow priority with 8 Verbs priorities. */
9902 static const uint32_t priority_map_3[][MLX5_PRIORITY_MAP_MAX] = {
9903 { 0, 1, 2 }, { 2, 3, 4 }, { 5, 6, 7 },
9906 /* Map of Verbs to Flow priority with 16 Verbs priorities. */
9907 static const uint32_t priority_map_5[][MLX5_PRIORITY_MAP_MAX] = {
9908 { 0, 1, 2 }, { 3, 4, 5 }, { 6, 7, 8 },
9909 { 9, 10, 11 }, { 12, 13, 14 },
9913 * Discover the number of available flow priorities.
9919 * On success, number of available flow priorities.
9920 * On failure, a negative errno-style code and rte_errno is set.
9923 mlx5_flow_discover_priorities(struct rte_eth_dev *dev)
9925 static const uint16_t vprio[] = {8, 16};
9926 const struct mlx5_priv *priv = dev->data->dev_private;
9927 const struct mlx5_flow_driver_ops *fops;
9928 enum mlx5_flow_drv_type type;
9931 type = mlx5_flow_os_get_type();
9932 if (type == MLX5_FLOW_TYPE_MAX) {
9933 type = MLX5_FLOW_TYPE_VERBS;
9934 if (priv->sh->devx && priv->config.dv_flow_en)
9935 type = MLX5_FLOW_TYPE_DV;
9937 fops = flow_get_drv_ops(type);
9938 if (fops->discover_priorities == NULL) {
9939 DRV_LOG(ERR, "Priority discovery not supported");
9940 rte_errno = ENOTSUP;
9943 ret = fops->discover_priorities(dev, vprio, RTE_DIM(vprio));
9948 ret = RTE_DIM(priority_map_3);
9951 ret = RTE_DIM(priority_map_5);
9954 rte_errno = ENOTSUP;
9956 "port %u maximum priority: %d expected 8/16",
9957 dev->data->port_id, ret);
9960 DRV_LOG(INFO, "port %u supported flow priorities:"
9961 " 0-%d for ingress or egress root table,"
9962 " 0-%d for non-root table or transfer root table.",
9963 dev->data->port_id, ret - 2,
9964 MLX5_NON_ROOT_FLOW_MAX_PRIO - 1);
9969 * Adjust flow priority based on the highest layer and the request priority.
9972 * Pointer to the Ethernet device structure.
9973 * @param[in] priority
9974 * The rule base priority.
9975 * @param[in] subpriority
9976 * The priority based on the items.
9982 mlx5_flow_adjust_priority(struct rte_eth_dev *dev, int32_t priority,
9983 uint32_t subpriority)
9986 struct mlx5_priv *priv = dev->data->dev_private;
9988 switch (priv->sh->flow_max_priority) {
9989 case RTE_DIM(priority_map_3):
9990 res = priority_map_3[priority][subpriority];
9992 case RTE_DIM(priority_map_5):
9993 res = priority_map_5[priority][subpriority];