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 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 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) {
394 for (i = 0; node->next && node->next[i]; ++i) {
395 next = &graph[node->next[i]];
396 if (next->type == missed_item.type) {
397 flow_items[0].type = missed_item.type;
398 flow_items[1].type = RTE_FLOW_ITEM_TYPE_END;
404 if (next && missed) {
405 elt = 2; /* missed item + item end. */
407 lsize += elt * sizeof(*item) + user_pattern_size;
410 if (node->rss_types & types) {
411 buf->entry[buf->entries].priority = 1;
412 buf->entry[buf->entries].pattern = addr;
414 rte_memcpy(addr, buf->entry[0].pattern,
416 addr = (void *)(((uintptr_t)addr) + user_pattern_size);
417 rte_memcpy(addr, flow_items, elt * sizeof(*item));
418 addr = (void *)(((uintptr_t)addr) +
419 elt * sizeof(*item));
421 } else if (last_expand_item != NULL) {
422 node = mlx5_flow_expand_rss_adjust_node(pattern,
423 last_expand_item_idx, graph, node);
425 memset(flow_items, 0, sizeof(flow_items));
426 next_node = mlx5_flow_expand_rss_skip_explicit(graph,
428 stack[stack_pos] = next_node;
429 node = next_node ? &graph[*next_node] : NULL;
431 flow_items[stack_pos].type = node->type;
432 if (node->rss_types & types) {
435 * compute the number of items to copy from the
436 * expansion and copy it.
437 * When the stack_pos is 0, there are 1 element in it,
438 * plus the addition END item.
441 flow_items[stack_pos + 1].type = RTE_FLOW_ITEM_TYPE_END;
442 lsize += elt * sizeof(*item) + user_pattern_size;
445 n = elt * sizeof(*item);
446 buf->entry[buf->entries].priority =
447 stack_pos + 1 + missed;
448 buf->entry[buf->entries].pattern = addr;
450 rte_memcpy(addr, buf->entry[0].pattern,
452 addr = (void *)(((uintptr_t)addr) +
454 rte_memcpy(addr, &missed_item,
455 missed * sizeof(*item));
456 addr = (void *)(((uintptr_t)addr) +
457 missed * sizeof(*item));
458 rte_memcpy(addr, flow_items, n);
459 addr = (void *)(((uintptr_t)addr) + n);
462 if (!(node->node_flags & MLX5_EXPANSION_NODE_OPTIONAL) &&
464 next_node = mlx5_flow_expand_rss_skip_explicit(graph,
466 if (stack_pos++ == MLX5_RSS_EXP_ELT_N) {
470 stack[stack_pos] = next_node;
471 } else if (*(next_node + 1)) {
472 /* Follow up with the next possibility. */
473 next_node = mlx5_flow_expand_rss_skip_explicit(graph,
475 } else if (!stack_pos) {
477 * Completing the traverse over the different paths.
478 * The next_node is advanced to the terminator.
482 /* Move to the next path. */
484 next_node = stack[--stack_pos];
489 next_node = mlx5_flow_expand_rss_skip_explicit(graph,
491 stack[stack_pos] = next_node;
493 node = next_node && *next_node ? &graph[*next_node] : NULL;
498 enum mlx5_expansion {
500 MLX5_EXPANSION_ROOT_OUTER,
501 MLX5_EXPANSION_OUTER_ETH,
502 MLX5_EXPANSION_OUTER_VLAN,
503 MLX5_EXPANSION_OUTER_IPV4,
504 MLX5_EXPANSION_OUTER_IPV4_UDP,
505 MLX5_EXPANSION_OUTER_IPV4_TCP,
506 MLX5_EXPANSION_OUTER_IPV6,
507 MLX5_EXPANSION_OUTER_IPV6_UDP,
508 MLX5_EXPANSION_OUTER_IPV6_TCP,
509 MLX5_EXPANSION_VXLAN,
510 MLX5_EXPANSION_STD_VXLAN,
511 MLX5_EXPANSION_L3_VXLAN,
512 MLX5_EXPANSION_VXLAN_GPE,
514 MLX5_EXPANSION_NVGRE,
515 MLX5_EXPANSION_GRE_KEY,
520 MLX5_EXPANSION_IPV4_UDP,
521 MLX5_EXPANSION_IPV4_TCP,
523 MLX5_EXPANSION_IPV6_UDP,
524 MLX5_EXPANSION_IPV6_TCP,
525 MLX5_EXPANSION_IPV6_FRAG_EXT,
529 /** Supported expansion of items. */
530 static const struct mlx5_flow_expand_node mlx5_support_expansion[] = {
531 [MLX5_EXPANSION_ROOT] = {
532 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH,
534 MLX5_EXPANSION_IPV6),
535 .type = RTE_FLOW_ITEM_TYPE_END,
537 [MLX5_EXPANSION_ROOT_OUTER] = {
538 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_ETH,
539 MLX5_EXPANSION_OUTER_IPV4,
540 MLX5_EXPANSION_OUTER_IPV6),
541 .type = RTE_FLOW_ITEM_TYPE_END,
543 [MLX5_EXPANSION_OUTER_ETH] = {
544 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_VLAN),
545 .type = RTE_FLOW_ITEM_TYPE_ETH,
548 [MLX5_EXPANSION_OUTER_VLAN] = {
549 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_IPV4,
550 MLX5_EXPANSION_OUTER_IPV6),
551 .type = RTE_FLOW_ITEM_TYPE_VLAN,
552 .node_flags = MLX5_EXPANSION_NODE_EXPLICIT,
554 [MLX5_EXPANSION_OUTER_IPV4] = {
555 .next = MLX5_FLOW_EXPAND_RSS_NEXT
556 (MLX5_EXPANSION_OUTER_IPV4_UDP,
557 MLX5_EXPANSION_OUTER_IPV4_TCP,
559 MLX5_EXPANSION_NVGRE,
561 MLX5_EXPANSION_IPV6),
562 .type = RTE_FLOW_ITEM_TYPE_IPV4,
563 .rss_types = ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 |
564 ETH_RSS_NONFRAG_IPV4_OTHER,
566 [MLX5_EXPANSION_OUTER_IPV4_UDP] = {
567 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_VXLAN,
568 MLX5_EXPANSION_VXLAN_GPE,
571 .type = RTE_FLOW_ITEM_TYPE_UDP,
572 .rss_types = ETH_RSS_NONFRAG_IPV4_UDP,
574 [MLX5_EXPANSION_OUTER_IPV4_TCP] = {
575 .type = RTE_FLOW_ITEM_TYPE_TCP,
576 .rss_types = ETH_RSS_NONFRAG_IPV4_TCP,
578 [MLX5_EXPANSION_OUTER_IPV6] = {
579 .next = MLX5_FLOW_EXPAND_RSS_NEXT
580 (MLX5_EXPANSION_OUTER_IPV6_UDP,
581 MLX5_EXPANSION_OUTER_IPV6_TCP,
585 MLX5_EXPANSION_NVGRE),
586 .type = RTE_FLOW_ITEM_TYPE_IPV6,
587 .rss_types = ETH_RSS_IPV6 | ETH_RSS_FRAG_IPV6 |
588 ETH_RSS_NONFRAG_IPV6_OTHER,
590 [MLX5_EXPANSION_OUTER_IPV6_UDP] = {
591 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_VXLAN,
592 MLX5_EXPANSION_VXLAN_GPE,
595 .type = RTE_FLOW_ITEM_TYPE_UDP,
596 .rss_types = ETH_RSS_NONFRAG_IPV6_UDP,
598 [MLX5_EXPANSION_OUTER_IPV6_TCP] = {
599 .type = RTE_FLOW_ITEM_TYPE_TCP,
600 .rss_types = ETH_RSS_NONFRAG_IPV6_TCP,
602 [MLX5_EXPANSION_VXLAN] = {
603 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH,
605 MLX5_EXPANSION_IPV6),
606 .type = RTE_FLOW_ITEM_TYPE_VXLAN,
608 [MLX5_EXPANSION_STD_VXLAN] = {
609 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH),
610 .type = RTE_FLOW_ITEM_TYPE_VXLAN,
612 [MLX5_EXPANSION_L3_VXLAN] = {
613 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4,
614 MLX5_EXPANSION_IPV6),
615 .type = RTE_FLOW_ITEM_TYPE_VXLAN,
617 [MLX5_EXPANSION_VXLAN_GPE] = {
618 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH,
620 MLX5_EXPANSION_IPV6),
621 .type = RTE_FLOW_ITEM_TYPE_VXLAN_GPE,
623 [MLX5_EXPANSION_GRE] = {
624 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4,
626 MLX5_EXPANSION_GRE_KEY,
627 MLX5_EXPANSION_MPLS),
628 .type = RTE_FLOW_ITEM_TYPE_GRE,
630 [MLX5_EXPANSION_GRE_KEY] = {
631 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4,
633 MLX5_EXPANSION_MPLS),
634 .type = RTE_FLOW_ITEM_TYPE_GRE_KEY,
635 .node_flags = MLX5_EXPANSION_NODE_OPTIONAL,
637 [MLX5_EXPANSION_NVGRE] = {
638 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH),
639 .type = RTE_FLOW_ITEM_TYPE_NVGRE,
641 [MLX5_EXPANSION_MPLS] = {
642 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4,
645 .type = RTE_FLOW_ITEM_TYPE_MPLS,
646 .node_flags = MLX5_EXPANSION_NODE_OPTIONAL,
648 [MLX5_EXPANSION_ETH] = {
649 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_VLAN),
650 .type = RTE_FLOW_ITEM_TYPE_ETH,
652 [MLX5_EXPANSION_VLAN] = {
653 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4,
654 MLX5_EXPANSION_IPV6),
655 .type = RTE_FLOW_ITEM_TYPE_VLAN,
656 .node_flags = MLX5_EXPANSION_NODE_EXPLICIT,
658 [MLX5_EXPANSION_IPV4] = {
659 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4_UDP,
660 MLX5_EXPANSION_IPV4_TCP),
661 .type = RTE_FLOW_ITEM_TYPE_IPV4,
662 .rss_types = ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 |
663 ETH_RSS_NONFRAG_IPV4_OTHER,
665 [MLX5_EXPANSION_IPV4_UDP] = {
666 .type = RTE_FLOW_ITEM_TYPE_UDP,
667 .rss_types = ETH_RSS_NONFRAG_IPV4_UDP,
669 [MLX5_EXPANSION_IPV4_TCP] = {
670 .type = RTE_FLOW_ITEM_TYPE_TCP,
671 .rss_types = ETH_RSS_NONFRAG_IPV4_TCP,
673 [MLX5_EXPANSION_IPV6] = {
674 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV6_UDP,
675 MLX5_EXPANSION_IPV6_TCP,
676 MLX5_EXPANSION_IPV6_FRAG_EXT),
677 .type = RTE_FLOW_ITEM_TYPE_IPV6,
678 .rss_types = ETH_RSS_IPV6 | ETH_RSS_FRAG_IPV6 |
679 ETH_RSS_NONFRAG_IPV6_OTHER,
681 [MLX5_EXPANSION_IPV6_UDP] = {
682 .type = RTE_FLOW_ITEM_TYPE_UDP,
683 .rss_types = ETH_RSS_NONFRAG_IPV6_UDP,
685 [MLX5_EXPANSION_IPV6_TCP] = {
686 .type = RTE_FLOW_ITEM_TYPE_TCP,
687 .rss_types = ETH_RSS_NONFRAG_IPV6_TCP,
689 [MLX5_EXPANSION_IPV6_FRAG_EXT] = {
690 .type = RTE_FLOW_ITEM_TYPE_IPV6_FRAG_EXT,
692 [MLX5_EXPANSION_GTP] = {
693 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4,
694 MLX5_EXPANSION_IPV6),
695 .type = RTE_FLOW_ITEM_TYPE_GTP,
699 static struct rte_flow_action_handle *
700 mlx5_action_handle_create(struct rte_eth_dev *dev,
701 const struct rte_flow_indir_action_conf *conf,
702 const struct rte_flow_action *action,
703 struct rte_flow_error *error);
704 static int mlx5_action_handle_destroy
705 (struct rte_eth_dev *dev,
706 struct rte_flow_action_handle *handle,
707 struct rte_flow_error *error);
708 static int mlx5_action_handle_update
709 (struct rte_eth_dev *dev,
710 struct rte_flow_action_handle *handle,
712 struct rte_flow_error *error);
713 static int mlx5_action_handle_query
714 (struct rte_eth_dev *dev,
715 const struct rte_flow_action_handle *handle,
717 struct rte_flow_error *error);
719 mlx5_flow_tunnel_decap_set(struct rte_eth_dev *dev,
720 struct rte_flow_tunnel *app_tunnel,
721 struct rte_flow_action **actions,
722 uint32_t *num_of_actions,
723 struct rte_flow_error *error);
725 mlx5_flow_tunnel_match(struct rte_eth_dev *dev,
726 struct rte_flow_tunnel *app_tunnel,
727 struct rte_flow_item **items,
728 uint32_t *num_of_items,
729 struct rte_flow_error *error);
731 mlx5_flow_tunnel_item_release(struct rte_eth_dev *dev,
732 struct rte_flow_item *pmd_items,
733 uint32_t num_items, struct rte_flow_error *err);
735 mlx5_flow_tunnel_action_release(struct rte_eth_dev *dev,
736 struct rte_flow_action *pmd_actions,
737 uint32_t num_actions,
738 struct rte_flow_error *err);
740 mlx5_flow_tunnel_get_restore_info(struct rte_eth_dev *dev,
742 struct rte_flow_restore_info *info,
743 struct rte_flow_error *err);
745 static const struct rte_flow_ops mlx5_flow_ops = {
746 .validate = mlx5_flow_validate,
747 .create = mlx5_flow_create,
748 .destroy = mlx5_flow_destroy,
749 .flush = mlx5_flow_flush,
750 .isolate = mlx5_flow_isolate,
751 .query = mlx5_flow_query,
752 .dev_dump = mlx5_flow_dev_dump,
753 .get_aged_flows = mlx5_flow_get_aged_flows,
754 .action_handle_create = mlx5_action_handle_create,
755 .action_handle_destroy = mlx5_action_handle_destroy,
756 .action_handle_update = mlx5_action_handle_update,
757 .action_handle_query = mlx5_action_handle_query,
758 .tunnel_decap_set = mlx5_flow_tunnel_decap_set,
759 .tunnel_match = mlx5_flow_tunnel_match,
760 .tunnel_action_decap_release = mlx5_flow_tunnel_action_release,
761 .tunnel_item_release = mlx5_flow_tunnel_item_release,
762 .get_restore_info = mlx5_flow_tunnel_get_restore_info,
765 /* Tunnel information. */
766 struct mlx5_flow_tunnel_info {
767 uint64_t tunnel; /**< Tunnel bit (see MLX5_FLOW_*). */
768 uint32_t ptype; /**< Tunnel Ptype (see RTE_PTYPE_*). */
771 static struct mlx5_flow_tunnel_info tunnels_info[] = {
773 .tunnel = MLX5_FLOW_LAYER_VXLAN,
774 .ptype = RTE_PTYPE_TUNNEL_VXLAN | RTE_PTYPE_L4_UDP,
777 .tunnel = MLX5_FLOW_LAYER_GENEVE,
778 .ptype = RTE_PTYPE_TUNNEL_GENEVE | RTE_PTYPE_L4_UDP,
781 .tunnel = MLX5_FLOW_LAYER_VXLAN_GPE,
782 .ptype = RTE_PTYPE_TUNNEL_VXLAN_GPE | RTE_PTYPE_L4_UDP,
785 .tunnel = MLX5_FLOW_LAYER_GRE,
786 .ptype = RTE_PTYPE_TUNNEL_GRE,
789 .tunnel = MLX5_FLOW_LAYER_MPLS | MLX5_FLOW_LAYER_OUTER_L4_UDP,
790 .ptype = RTE_PTYPE_TUNNEL_MPLS_IN_UDP | RTE_PTYPE_L4_UDP,
793 .tunnel = MLX5_FLOW_LAYER_MPLS,
794 .ptype = RTE_PTYPE_TUNNEL_MPLS_IN_GRE,
797 .tunnel = MLX5_FLOW_LAYER_NVGRE,
798 .ptype = RTE_PTYPE_TUNNEL_NVGRE,
801 .tunnel = MLX5_FLOW_LAYER_IPIP,
802 .ptype = RTE_PTYPE_TUNNEL_IP,
805 .tunnel = MLX5_FLOW_LAYER_IPV6_ENCAP,
806 .ptype = RTE_PTYPE_TUNNEL_IP,
809 .tunnel = MLX5_FLOW_LAYER_GTP,
810 .ptype = RTE_PTYPE_TUNNEL_GTPU,
817 * Translate tag ID to register.
820 * Pointer to the Ethernet device structure.
822 * The feature that request the register.
824 * The request register ID.
826 * Error description in case of any.
829 * The request register on success, a negative errno
830 * value otherwise and rte_errno is set.
833 mlx5_flow_get_reg_id(struct rte_eth_dev *dev,
834 enum mlx5_feature_name feature,
836 struct rte_flow_error *error)
838 struct mlx5_priv *priv = dev->data->dev_private;
839 struct mlx5_dev_config *config = &priv->config;
840 enum modify_reg start_reg;
841 bool skip_mtr_reg = false;
844 case MLX5_HAIRPIN_RX:
846 case MLX5_HAIRPIN_TX:
848 case MLX5_METADATA_RX:
849 switch (config->dv_xmeta_en) {
850 case MLX5_XMETA_MODE_LEGACY:
852 case MLX5_XMETA_MODE_META16:
854 case MLX5_XMETA_MODE_META32:
858 case MLX5_METADATA_TX:
860 case MLX5_METADATA_FDB:
861 switch (config->dv_xmeta_en) {
862 case MLX5_XMETA_MODE_LEGACY:
864 case MLX5_XMETA_MODE_META16:
866 case MLX5_XMETA_MODE_META32:
871 switch (config->dv_xmeta_en) {
872 case MLX5_XMETA_MODE_LEGACY:
874 case MLX5_XMETA_MODE_META16:
876 case MLX5_XMETA_MODE_META32:
882 * If meter color and meter id share one register, flow match
883 * should use the meter color register for match.
885 if (priv->mtr_reg_share)
886 return priv->mtr_color_reg;
888 return priv->mtr_color_reg != REG_C_2 ? REG_C_2 :
891 case MLX5_ASO_FLOW_HIT:
892 case MLX5_ASO_CONNTRACK:
893 /* All features use the same REG_C. */
894 MLX5_ASSERT(priv->mtr_color_reg != REG_NON);
895 return priv->mtr_color_reg;
898 * Metadata COPY_MARK register using is in meter suffix sub
899 * flow while with meter. It's safe to share the same register.
901 return priv->mtr_color_reg != REG_C_2 ? REG_C_2 : REG_C_3;
904 * If meter is enable, it will engage the register for color
905 * match and flow match. If meter color match is not using the
906 * REG_C_2, need to skip the REG_C_x be used by meter color
908 * If meter is disable, free to use all available registers.
910 start_reg = priv->mtr_color_reg != REG_C_2 ? REG_C_2 :
911 (priv->mtr_reg_share ? REG_C_3 : REG_C_4);
912 skip_mtr_reg = !!(priv->mtr_en && start_reg == REG_C_2);
913 if (id > (uint32_t)(REG_C_7 - start_reg))
914 return rte_flow_error_set(error, EINVAL,
915 RTE_FLOW_ERROR_TYPE_ITEM,
916 NULL, "invalid tag id");
917 if (config->flow_mreg_c[id + start_reg - REG_C_0] == REG_NON)
918 return rte_flow_error_set(error, ENOTSUP,
919 RTE_FLOW_ERROR_TYPE_ITEM,
920 NULL, "unsupported tag id");
922 * This case means meter is using the REG_C_x great than 2.
923 * Take care not to conflict with meter color REG_C_x.
924 * If the available index REG_C_y >= REG_C_x, skip the
927 if (skip_mtr_reg && config->flow_mreg_c
928 [id + start_reg - REG_C_0] >= priv->mtr_color_reg) {
929 if (id >= (uint32_t)(REG_C_7 - start_reg))
930 return rte_flow_error_set(error, EINVAL,
931 RTE_FLOW_ERROR_TYPE_ITEM,
932 NULL, "invalid tag id");
933 if (config->flow_mreg_c
934 [id + 1 + start_reg - REG_C_0] != REG_NON)
935 return config->flow_mreg_c
936 [id + 1 + start_reg - REG_C_0];
937 return rte_flow_error_set(error, ENOTSUP,
938 RTE_FLOW_ERROR_TYPE_ITEM,
939 NULL, "unsupported tag id");
941 return config->flow_mreg_c[id + start_reg - REG_C_0];
944 return rte_flow_error_set(error, EINVAL,
945 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
946 NULL, "invalid feature name");
950 * Check extensive flow metadata register support.
953 * Pointer to rte_eth_dev structure.
956 * True if device supports extensive flow metadata register, otherwise false.
959 mlx5_flow_ext_mreg_supported(struct rte_eth_dev *dev)
961 struct mlx5_priv *priv = dev->data->dev_private;
962 struct mlx5_dev_config *config = &priv->config;
965 * Having available reg_c can be regarded inclusively as supporting
966 * extensive flow metadata register, which could mean,
967 * - metadata register copy action by modify header.
968 * - 16 modify header actions is supported.
969 * - reg_c's are preserved across different domain (FDB and NIC) on
970 * packet loopback by flow lookup miss.
972 return config->flow_mreg_c[2] != REG_NON;
976 * Get the lowest priority.
979 * Pointer to the Ethernet device structure.
980 * @param[in] attributes
981 * Pointer to device flow rule attributes.
984 * The value of lowest priority of flow.
987 mlx5_get_lowest_priority(struct rte_eth_dev *dev,
988 const struct rte_flow_attr *attr)
990 struct mlx5_priv *priv = dev->data->dev_private;
992 if (!attr->group && !attr->transfer)
993 return priv->config.flow_prio - 2;
994 return MLX5_NON_ROOT_FLOW_MAX_PRIO - 1;
998 * Calculate matcher priority of the flow.
1001 * Pointer to the Ethernet device structure.
1003 * Pointer to device flow rule attributes.
1004 * @param[in] subpriority
1005 * The priority based on the items.
1006 * @param[in] external
1007 * Flow is user flow.
1009 * The matcher priority of the flow.
1012 mlx5_get_matcher_priority(struct rte_eth_dev *dev,
1013 const struct rte_flow_attr *attr,
1014 uint32_t subpriority, bool external)
1016 uint16_t priority = (uint16_t)attr->priority;
1017 struct mlx5_priv *priv = dev->data->dev_private;
1019 if (!attr->group && !attr->transfer) {
1020 if (attr->priority == MLX5_FLOW_LOWEST_PRIO_INDICATOR)
1021 priority = priv->config.flow_prio - 1;
1022 return mlx5_os_flow_adjust_priority(dev, priority, subpriority);
1023 } else if (!external && attr->transfer && attr->group == 0 &&
1024 attr->priority == MLX5_FLOW_LOWEST_PRIO_INDICATOR) {
1025 return (priv->config.flow_prio - 1) * 3;
1027 if (attr->priority == MLX5_FLOW_LOWEST_PRIO_INDICATOR)
1028 priority = MLX5_NON_ROOT_FLOW_MAX_PRIO;
1029 return priority * 3 + subpriority;
1033 * Verify the @p item specifications (spec, last, mask) are compatible with the
1037 * Item specification.
1039 * @p item->mask or flow default bit-masks.
1040 * @param[in] nic_mask
1041 * Bit-masks covering supported fields by the NIC to compare with user mask.
1043 * Bit-masks size in bytes.
1044 * @param[in] range_accepted
1045 * True if range of values is accepted for specific fields, false otherwise.
1047 * Pointer to error structure.
1050 * 0 on success, a negative errno value otherwise and rte_errno is set.
1053 mlx5_flow_item_acceptable(const struct rte_flow_item *item,
1054 const uint8_t *mask,
1055 const uint8_t *nic_mask,
1057 bool range_accepted,
1058 struct rte_flow_error *error)
1062 MLX5_ASSERT(nic_mask);
1063 for (i = 0; i < size; ++i)
1064 if ((nic_mask[i] | mask[i]) != nic_mask[i])
1065 return rte_flow_error_set(error, ENOTSUP,
1066 RTE_FLOW_ERROR_TYPE_ITEM,
1068 "mask enables non supported"
1070 if (!item->spec && (item->mask || item->last))
1071 return rte_flow_error_set(error, EINVAL,
1072 RTE_FLOW_ERROR_TYPE_ITEM, item,
1073 "mask/last without a spec is not"
1075 if (item->spec && item->last && !range_accepted) {
1081 for (i = 0; i < size; ++i) {
1082 spec[i] = ((const uint8_t *)item->spec)[i] & mask[i];
1083 last[i] = ((const uint8_t *)item->last)[i] & mask[i];
1085 ret = memcmp(spec, last, size);
1087 return rte_flow_error_set(error, EINVAL,
1088 RTE_FLOW_ERROR_TYPE_ITEM,
1090 "range is not valid");
1096 * Adjust the hash fields according to the @p flow information.
1098 * @param[in] dev_flow.
1099 * Pointer to the mlx5_flow.
1101 * 1 when the hash field is for a tunnel item.
1102 * @param[in] layer_types
1104 * @param[in] hash_fields
1108 * The hash fields that should be used.
1111 mlx5_flow_hashfields_adjust(struct mlx5_flow_rss_desc *rss_desc,
1112 int tunnel __rte_unused, uint64_t layer_types,
1113 uint64_t hash_fields)
1115 #ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
1116 int rss_request_inner = rss_desc->level >= 2;
1118 /* Check RSS hash level for tunnel. */
1119 if (tunnel && rss_request_inner)
1120 hash_fields |= IBV_RX_HASH_INNER;
1121 else if (tunnel || rss_request_inner)
1124 /* Check if requested layer matches RSS hash fields. */
1125 if (!(rss_desc->types & layer_types))
1131 * Lookup and set the ptype in the data Rx part. A single Ptype can be used,
1132 * if several tunnel rules are used on this queue, the tunnel ptype will be
1136 * Rx queue to update.
1139 flow_rxq_tunnel_ptype_update(struct mlx5_rxq_ctrl *rxq_ctrl)
1142 uint32_t tunnel_ptype = 0;
1144 /* Look up for the ptype to use. */
1145 for (i = 0; i != MLX5_FLOW_TUNNEL; ++i) {
1146 if (!rxq_ctrl->flow_tunnels_n[i])
1148 if (!tunnel_ptype) {
1149 tunnel_ptype = tunnels_info[i].ptype;
1155 rxq_ctrl->rxq.tunnel = tunnel_ptype;
1159 * Set the Rx queue flags (Mark/Flag and Tunnel Ptypes) according to the devive
1163 * Pointer to the Ethernet device structure.
1164 * @param[in] dev_handle
1165 * Pointer to device flow handle structure.
1168 flow_drv_rxq_flags_set(struct rte_eth_dev *dev,
1169 struct mlx5_flow_handle *dev_handle)
1171 struct mlx5_priv *priv = dev->data->dev_private;
1172 const int mark = dev_handle->mark;
1173 const int tunnel = !!(dev_handle->layers & MLX5_FLOW_LAYER_TUNNEL);
1174 struct mlx5_ind_table_obj *ind_tbl = NULL;
1177 if (dev_handle->fate_action == MLX5_FLOW_FATE_QUEUE) {
1178 struct mlx5_hrxq *hrxq;
1180 hrxq = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_HRXQ],
1181 dev_handle->rix_hrxq);
1183 ind_tbl = hrxq->ind_table;
1184 } else if (dev_handle->fate_action == MLX5_FLOW_FATE_SHARED_RSS) {
1185 struct mlx5_shared_action_rss *shared_rss;
1187 shared_rss = mlx5_ipool_get
1188 (priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS],
1189 dev_handle->rix_srss);
1191 ind_tbl = shared_rss->ind_tbl;
1195 for (i = 0; i != ind_tbl->queues_n; ++i) {
1196 int idx = ind_tbl->queues[i];
1197 struct mlx5_rxq_ctrl *rxq_ctrl =
1198 container_of((*priv->rxqs)[idx],
1199 struct mlx5_rxq_ctrl, rxq);
1202 * To support metadata register copy on Tx loopback,
1203 * this must be always enabled (metadata may arive
1204 * from other port - not from local flows only.
1206 if (priv->config.dv_flow_en &&
1207 priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY &&
1208 mlx5_flow_ext_mreg_supported(dev)) {
1209 rxq_ctrl->rxq.mark = 1;
1210 rxq_ctrl->flow_mark_n = 1;
1212 rxq_ctrl->rxq.mark = 1;
1213 rxq_ctrl->flow_mark_n++;
1218 /* Increase the counter matching the flow. */
1219 for (j = 0; j != MLX5_FLOW_TUNNEL; ++j) {
1220 if ((tunnels_info[j].tunnel &
1221 dev_handle->layers) ==
1222 tunnels_info[j].tunnel) {
1223 rxq_ctrl->flow_tunnels_n[j]++;
1227 flow_rxq_tunnel_ptype_update(rxq_ctrl);
1233 * Set the Rx queue flags (Mark/Flag and Tunnel Ptypes) for a flow
1236 * Pointer to the Ethernet device structure.
1238 * Pointer to flow structure.
1241 flow_rxq_flags_set(struct rte_eth_dev *dev, struct rte_flow *flow)
1243 struct mlx5_priv *priv = dev->data->dev_private;
1244 uint32_t handle_idx;
1245 struct mlx5_flow_handle *dev_handle;
1247 SILIST_FOREACH(priv->sh->ipool[MLX5_IPOOL_MLX5_FLOW], flow->dev_handles,
1248 handle_idx, dev_handle, next)
1249 flow_drv_rxq_flags_set(dev, dev_handle);
1253 * Clear the Rx queue flags (Mark/Flag and Tunnel Ptype) associated with the
1254 * device flow if no other flow uses it with the same kind of request.
1257 * Pointer to Ethernet device.
1258 * @param[in] dev_handle
1259 * Pointer to the device flow handle structure.
1262 flow_drv_rxq_flags_trim(struct rte_eth_dev *dev,
1263 struct mlx5_flow_handle *dev_handle)
1265 struct mlx5_priv *priv = dev->data->dev_private;
1266 const int mark = dev_handle->mark;
1267 const int tunnel = !!(dev_handle->layers & MLX5_FLOW_LAYER_TUNNEL);
1268 struct mlx5_ind_table_obj *ind_tbl = NULL;
1271 if (dev_handle->fate_action == MLX5_FLOW_FATE_QUEUE) {
1272 struct mlx5_hrxq *hrxq;
1274 hrxq = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_HRXQ],
1275 dev_handle->rix_hrxq);
1277 ind_tbl = hrxq->ind_table;
1278 } else if (dev_handle->fate_action == MLX5_FLOW_FATE_SHARED_RSS) {
1279 struct mlx5_shared_action_rss *shared_rss;
1281 shared_rss = mlx5_ipool_get
1282 (priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS],
1283 dev_handle->rix_srss);
1285 ind_tbl = shared_rss->ind_tbl;
1289 MLX5_ASSERT(dev->data->dev_started);
1290 for (i = 0; i != ind_tbl->queues_n; ++i) {
1291 int idx = ind_tbl->queues[i];
1292 struct mlx5_rxq_ctrl *rxq_ctrl =
1293 container_of((*priv->rxqs)[idx],
1294 struct mlx5_rxq_ctrl, rxq);
1296 if (priv->config.dv_flow_en &&
1297 priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY &&
1298 mlx5_flow_ext_mreg_supported(dev)) {
1299 rxq_ctrl->rxq.mark = 1;
1300 rxq_ctrl->flow_mark_n = 1;
1302 rxq_ctrl->flow_mark_n--;
1303 rxq_ctrl->rxq.mark = !!rxq_ctrl->flow_mark_n;
1308 /* Decrease the counter matching the flow. */
1309 for (j = 0; j != MLX5_FLOW_TUNNEL; ++j) {
1310 if ((tunnels_info[j].tunnel &
1311 dev_handle->layers) ==
1312 tunnels_info[j].tunnel) {
1313 rxq_ctrl->flow_tunnels_n[j]--;
1317 flow_rxq_tunnel_ptype_update(rxq_ctrl);
1323 * Clear the Rx queue flags (Mark/Flag and Tunnel Ptype) associated with the
1324 * @p flow if no other flow uses it with the same kind of request.
1327 * Pointer to Ethernet device.
1329 * Pointer to the flow.
1332 flow_rxq_flags_trim(struct rte_eth_dev *dev, struct rte_flow *flow)
1334 struct mlx5_priv *priv = dev->data->dev_private;
1335 uint32_t handle_idx;
1336 struct mlx5_flow_handle *dev_handle;
1338 SILIST_FOREACH(priv->sh->ipool[MLX5_IPOOL_MLX5_FLOW], flow->dev_handles,
1339 handle_idx, dev_handle, next)
1340 flow_drv_rxq_flags_trim(dev, dev_handle);
1344 * Clear the Mark/Flag and Tunnel ptype information in all Rx queues.
1347 * Pointer to Ethernet device.
1350 flow_rxq_flags_clear(struct rte_eth_dev *dev)
1352 struct mlx5_priv *priv = dev->data->dev_private;
1355 for (i = 0; i != priv->rxqs_n; ++i) {
1356 struct mlx5_rxq_ctrl *rxq_ctrl;
1359 if (!(*priv->rxqs)[i])
1361 rxq_ctrl = container_of((*priv->rxqs)[i],
1362 struct mlx5_rxq_ctrl, rxq);
1363 rxq_ctrl->flow_mark_n = 0;
1364 rxq_ctrl->rxq.mark = 0;
1365 for (j = 0; j != MLX5_FLOW_TUNNEL; ++j)
1366 rxq_ctrl->flow_tunnels_n[j] = 0;
1367 rxq_ctrl->rxq.tunnel = 0;
1372 * Set the Rx queue dynamic metadata (mask and offset) for a flow
1375 * Pointer to the Ethernet device structure.
1378 mlx5_flow_rxq_dynf_metadata_set(struct rte_eth_dev *dev)
1380 struct mlx5_priv *priv = dev->data->dev_private;
1381 struct mlx5_rxq_data *data;
1384 for (i = 0; i != priv->rxqs_n; ++i) {
1385 if (!(*priv->rxqs)[i])
1387 data = (*priv->rxqs)[i];
1388 if (!rte_flow_dynf_metadata_avail()) {
1389 data->dynf_meta = 0;
1390 data->flow_meta_mask = 0;
1391 data->flow_meta_offset = -1;
1392 data->flow_meta_port_mask = 0;
1394 data->dynf_meta = 1;
1395 data->flow_meta_mask = rte_flow_dynf_metadata_mask;
1396 data->flow_meta_offset = rte_flow_dynf_metadata_offs;
1397 data->flow_meta_port_mask = priv->sh->dv_meta_mask;
1403 * return a pointer to the desired action in the list of actions.
1405 * @param[in] actions
1406 * The list of actions to search the action in.
1408 * The action to find.
1411 * Pointer to the action in the list, if found. NULL otherwise.
1413 const struct rte_flow_action *
1414 mlx5_flow_find_action(const struct rte_flow_action *actions,
1415 enum rte_flow_action_type action)
1417 if (actions == NULL)
1419 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++)
1420 if (actions->type == action)
1426 * Validate the flag action.
1428 * @param[in] action_flags
1429 * Bit-fields that holds the actions detected until now.
1431 * Attributes of flow that includes this action.
1433 * Pointer to error structure.
1436 * 0 on success, a negative errno value otherwise and rte_errno is set.
1439 mlx5_flow_validate_action_flag(uint64_t action_flags,
1440 const struct rte_flow_attr *attr,
1441 struct rte_flow_error *error)
1443 if (action_flags & MLX5_FLOW_ACTION_MARK)
1444 return rte_flow_error_set(error, EINVAL,
1445 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
1446 "can't mark and flag in same flow");
1447 if (action_flags & MLX5_FLOW_ACTION_FLAG)
1448 return rte_flow_error_set(error, EINVAL,
1449 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
1451 " actions in same flow");
1453 return rte_flow_error_set(error, ENOTSUP,
1454 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
1455 "flag action not supported for "
1461 * Validate the mark action.
1464 * Pointer to the queue action.
1465 * @param[in] action_flags
1466 * Bit-fields that holds the actions detected until now.
1468 * Attributes of flow that includes this action.
1470 * Pointer to error structure.
1473 * 0 on success, a negative errno value otherwise and rte_errno is set.
1476 mlx5_flow_validate_action_mark(const struct rte_flow_action *action,
1477 uint64_t action_flags,
1478 const struct rte_flow_attr *attr,
1479 struct rte_flow_error *error)
1481 const struct rte_flow_action_mark *mark = action->conf;
1484 return rte_flow_error_set(error, EINVAL,
1485 RTE_FLOW_ERROR_TYPE_ACTION,
1487 "configuration cannot be null");
1488 if (mark->id >= MLX5_FLOW_MARK_MAX)
1489 return rte_flow_error_set(error, EINVAL,
1490 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1492 "mark id must in 0 <= id < "
1493 RTE_STR(MLX5_FLOW_MARK_MAX));
1494 if (action_flags & MLX5_FLOW_ACTION_FLAG)
1495 return rte_flow_error_set(error, EINVAL,
1496 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
1497 "can't flag and mark in same flow");
1498 if (action_flags & MLX5_FLOW_ACTION_MARK)
1499 return rte_flow_error_set(error, EINVAL,
1500 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
1501 "can't have 2 mark actions in same"
1504 return rte_flow_error_set(error, ENOTSUP,
1505 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
1506 "mark action not supported for "
1512 * Validate the drop action.
1514 * @param[in] action_flags
1515 * Bit-fields that holds the actions detected until now.
1517 * Attributes of flow that includes this action.
1519 * Pointer to error structure.
1522 * 0 on success, a negative errno value otherwise and rte_errno is set.
1525 mlx5_flow_validate_action_drop(uint64_t action_flags __rte_unused,
1526 const struct rte_flow_attr *attr,
1527 struct rte_flow_error *error)
1530 return rte_flow_error_set(error, ENOTSUP,
1531 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
1532 "drop action not supported for "
1538 * Validate the queue action.
1541 * Pointer to the queue action.
1542 * @param[in] action_flags
1543 * Bit-fields that holds the actions detected until now.
1545 * Pointer to the Ethernet device structure.
1547 * Attributes of flow that includes this action.
1549 * Pointer to error structure.
1552 * 0 on success, a negative errno value otherwise and rte_errno is set.
1555 mlx5_flow_validate_action_queue(const struct rte_flow_action *action,
1556 uint64_t action_flags,
1557 struct rte_eth_dev *dev,
1558 const struct rte_flow_attr *attr,
1559 struct rte_flow_error *error)
1561 struct mlx5_priv *priv = dev->data->dev_private;
1562 const struct rte_flow_action_queue *queue = action->conf;
1564 if (action_flags & MLX5_FLOW_FATE_ACTIONS)
1565 return rte_flow_error_set(error, EINVAL,
1566 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
1567 "can't have 2 fate actions in"
1570 return rte_flow_error_set(error, EINVAL,
1571 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1572 NULL, "No Rx queues configured");
1573 if (queue->index >= priv->rxqs_n)
1574 return rte_flow_error_set(error, EINVAL,
1575 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1577 "queue index out of range");
1578 if (!(*priv->rxqs)[queue->index])
1579 return rte_flow_error_set(error, EINVAL,
1580 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1582 "queue is not configured");
1584 return rte_flow_error_set(error, ENOTSUP,
1585 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
1586 "queue action not supported for "
1592 * Validate the rss action.
1595 * Pointer to the Ethernet device structure.
1597 * Pointer to the queue action.
1599 * Pointer to error structure.
1602 * 0 on success, a negative errno value otherwise and rte_errno is set.
1605 mlx5_validate_action_rss(struct rte_eth_dev *dev,
1606 const struct rte_flow_action *action,
1607 struct rte_flow_error *error)
1609 struct mlx5_priv *priv = dev->data->dev_private;
1610 const struct rte_flow_action_rss *rss = action->conf;
1611 enum mlx5_rxq_type rxq_type = MLX5_RXQ_TYPE_UNDEFINED;
1614 if (rss->func != RTE_ETH_HASH_FUNCTION_DEFAULT &&
1615 rss->func != RTE_ETH_HASH_FUNCTION_TOEPLITZ)
1616 return rte_flow_error_set(error, ENOTSUP,
1617 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1619 "RSS hash function not supported");
1620 #ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
1625 return rte_flow_error_set(error, ENOTSUP,
1626 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1628 "tunnel RSS is not supported");
1629 /* allow RSS key_len 0 in case of NULL (default) RSS key. */
1630 if (rss->key_len == 0 && rss->key != NULL)
1631 return rte_flow_error_set(error, ENOTSUP,
1632 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1634 "RSS hash key length 0");
1635 if (rss->key_len > 0 && rss->key_len < MLX5_RSS_HASH_KEY_LEN)
1636 return rte_flow_error_set(error, ENOTSUP,
1637 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1639 "RSS hash key too small");
1640 if (rss->key_len > MLX5_RSS_HASH_KEY_LEN)
1641 return rte_flow_error_set(error, ENOTSUP,
1642 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1644 "RSS hash key too large");
1645 if (rss->queue_num > priv->config.ind_table_max_size)
1646 return rte_flow_error_set(error, ENOTSUP,
1647 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1649 "number of queues too large");
1650 if (rss->types & MLX5_RSS_HF_MASK)
1651 return rte_flow_error_set(error, ENOTSUP,
1652 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1654 "some RSS protocols are not"
1656 if ((rss->types & (ETH_RSS_L3_SRC_ONLY | ETH_RSS_L3_DST_ONLY)) &&
1657 !(rss->types & ETH_RSS_IP))
1658 return rte_flow_error_set(error, EINVAL,
1659 RTE_FLOW_ERROR_TYPE_ACTION_CONF, NULL,
1660 "L3 partial RSS requested but L3 RSS"
1661 " type not specified");
1662 if ((rss->types & (ETH_RSS_L4_SRC_ONLY | ETH_RSS_L4_DST_ONLY)) &&
1663 !(rss->types & (ETH_RSS_UDP | ETH_RSS_TCP)))
1664 return rte_flow_error_set(error, EINVAL,
1665 RTE_FLOW_ERROR_TYPE_ACTION_CONF, NULL,
1666 "L4 partial RSS requested but L4 RSS"
1667 " type not specified");
1669 return rte_flow_error_set(error, EINVAL,
1670 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1671 NULL, "No Rx queues configured");
1672 if (!rss->queue_num)
1673 return rte_flow_error_set(error, EINVAL,
1674 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1675 NULL, "No queues configured");
1676 for (i = 0; i != rss->queue_num; ++i) {
1677 struct mlx5_rxq_ctrl *rxq_ctrl;
1679 if (rss->queue[i] >= priv->rxqs_n)
1680 return rte_flow_error_set
1682 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1683 &rss->queue[i], "queue index out of range");
1684 if (!(*priv->rxqs)[rss->queue[i]])
1685 return rte_flow_error_set
1686 (error, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1687 &rss->queue[i], "queue is not configured");
1688 rxq_ctrl = container_of((*priv->rxqs)[rss->queue[i]],
1689 struct mlx5_rxq_ctrl, rxq);
1691 rxq_type = rxq_ctrl->type;
1692 if (rxq_type != rxq_ctrl->type)
1693 return rte_flow_error_set
1694 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1696 "combining hairpin and regular RSS queues is not supported");
1702 * Validate the rss action.
1705 * Pointer to the queue action.
1706 * @param[in] action_flags
1707 * Bit-fields that holds the actions detected until now.
1709 * Pointer to the Ethernet device structure.
1711 * Attributes of flow that includes this action.
1712 * @param[in] item_flags
1713 * Items that were detected.
1715 * Pointer to error structure.
1718 * 0 on success, a negative errno value otherwise and rte_errno is set.
1721 mlx5_flow_validate_action_rss(const struct rte_flow_action *action,
1722 uint64_t action_flags,
1723 struct rte_eth_dev *dev,
1724 const struct rte_flow_attr *attr,
1725 uint64_t item_flags,
1726 struct rte_flow_error *error)
1728 const struct rte_flow_action_rss *rss = action->conf;
1729 int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
1732 if (action_flags & MLX5_FLOW_FATE_ACTIONS)
1733 return rte_flow_error_set(error, EINVAL,
1734 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
1735 "can't have 2 fate actions"
1737 ret = mlx5_validate_action_rss(dev, action, error);
1741 return rte_flow_error_set(error, ENOTSUP,
1742 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
1743 "rss action not supported for "
1745 if (rss->level > 1 && !tunnel)
1746 return rte_flow_error_set(error, EINVAL,
1747 RTE_FLOW_ERROR_TYPE_ACTION_CONF, NULL,
1748 "inner RSS is not supported for "
1749 "non-tunnel flows");
1750 if ((item_flags & MLX5_FLOW_LAYER_ECPRI) &&
1751 !(item_flags & MLX5_FLOW_LAYER_INNER_L4_UDP)) {
1752 return rte_flow_error_set(error, EINVAL,
1753 RTE_FLOW_ERROR_TYPE_ACTION_CONF, NULL,
1754 "RSS on eCPRI is not supported now");
1756 if ((item_flags & MLX5_FLOW_LAYER_MPLS) &&
1758 (MLX5_FLOW_LAYER_INNER_L2 | MLX5_FLOW_LAYER_INNER_L3)) &&
1760 return rte_flow_error_set(error, EINVAL,
1761 RTE_FLOW_ERROR_TYPE_ITEM, NULL,
1762 "MPLS inner RSS needs to specify inner L2/L3 items after MPLS in pattern");
1767 * Validate the default miss action.
1769 * @param[in] action_flags
1770 * Bit-fields that holds the actions detected until now.
1772 * Pointer to error structure.
1775 * 0 on success, a negative errno value otherwise and rte_errno is set.
1778 mlx5_flow_validate_action_default_miss(uint64_t action_flags,
1779 const struct rte_flow_attr *attr,
1780 struct rte_flow_error *error)
1782 if (action_flags & MLX5_FLOW_FATE_ACTIONS)
1783 return rte_flow_error_set(error, EINVAL,
1784 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
1785 "can't have 2 fate actions in"
1788 return rte_flow_error_set(error, ENOTSUP,
1789 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
1790 "default miss action not supported "
1793 return rte_flow_error_set(error, ENOTSUP,
1794 RTE_FLOW_ERROR_TYPE_ATTR_GROUP, NULL,
1795 "only group 0 is supported");
1797 return rte_flow_error_set(error, ENOTSUP,
1798 RTE_FLOW_ERROR_TYPE_ATTR_TRANSFER,
1799 NULL, "transfer is not supported");
1804 * Validate the count action.
1807 * Pointer to the Ethernet device structure.
1809 * Attributes of flow that includes this action.
1811 * Pointer to error structure.
1814 * 0 on success, a negative errno value otherwise and rte_errno is set.
1817 mlx5_flow_validate_action_count(struct rte_eth_dev *dev __rte_unused,
1818 const struct rte_flow_attr *attr,
1819 struct rte_flow_error *error)
1822 return rte_flow_error_set(error, ENOTSUP,
1823 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
1824 "count action not supported for "
1830 * Validate the ASO CT action.
1833 * Pointer to the Ethernet device structure.
1834 * @param[in] conntrack
1835 * Pointer to the CT action profile.
1837 * Pointer to error structure.
1840 * 0 on success, a negative errno value otherwise and rte_errno is set.
1843 mlx5_validate_action_ct(struct rte_eth_dev *dev,
1844 const struct rte_flow_action_conntrack *conntrack,
1845 struct rte_flow_error *error)
1849 if (conntrack->state > RTE_FLOW_CONNTRACK_STATE_TIME_WAIT)
1850 return rte_flow_error_set(error, EINVAL,
1851 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
1852 "Invalid CT state");
1853 if (conntrack->last_index > RTE_FLOW_CONNTRACK_FLAG_RST)
1854 return rte_flow_error_set(error, EINVAL,
1855 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
1856 "Invalid last TCP packet flag");
1861 * Verify the @p attributes will be correctly understood by the NIC and store
1862 * them in the @p flow if everything is correct.
1865 * Pointer to the Ethernet device structure.
1866 * @param[in] attributes
1867 * Pointer to flow attributes
1869 * Pointer to error structure.
1872 * 0 on success, a negative errno value otherwise and rte_errno is set.
1875 mlx5_flow_validate_attributes(struct rte_eth_dev *dev,
1876 const struct rte_flow_attr *attributes,
1877 struct rte_flow_error *error)
1879 struct mlx5_priv *priv = dev->data->dev_private;
1880 uint32_t priority_max = priv->config.flow_prio - 1;
1882 if (attributes->group)
1883 return rte_flow_error_set(error, ENOTSUP,
1884 RTE_FLOW_ERROR_TYPE_ATTR_GROUP,
1885 NULL, "groups is not supported");
1886 if (attributes->priority != MLX5_FLOW_LOWEST_PRIO_INDICATOR &&
1887 attributes->priority >= priority_max)
1888 return rte_flow_error_set(error, ENOTSUP,
1889 RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
1890 NULL, "priority out of range");
1891 if (attributes->egress)
1892 return rte_flow_error_set(error, ENOTSUP,
1893 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
1894 "egress is not supported");
1895 if (attributes->transfer && !priv->config.dv_esw_en)
1896 return rte_flow_error_set(error, ENOTSUP,
1897 RTE_FLOW_ERROR_TYPE_ATTR_TRANSFER,
1898 NULL, "transfer is not supported");
1899 if (!attributes->ingress)
1900 return rte_flow_error_set(error, EINVAL,
1901 RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
1903 "ingress attribute is mandatory");
1908 * Validate ICMP6 item.
1911 * Item specification.
1912 * @param[in] item_flags
1913 * Bit-fields that holds the items detected until now.
1914 * @param[in] ext_vlan_sup
1915 * Whether extended VLAN features are supported or not.
1917 * Pointer to error structure.
1920 * 0 on success, a negative errno value otherwise and rte_errno is set.
1923 mlx5_flow_validate_item_icmp6(const struct rte_flow_item *item,
1924 uint64_t item_flags,
1925 uint8_t target_protocol,
1926 struct rte_flow_error *error)
1928 const struct rte_flow_item_icmp6 *mask = item->mask;
1929 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
1930 const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV6 :
1931 MLX5_FLOW_LAYER_OUTER_L3_IPV6;
1932 const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
1933 MLX5_FLOW_LAYER_OUTER_L4;
1936 if (target_protocol != 0xFF && target_protocol != IPPROTO_ICMPV6)
1937 return rte_flow_error_set(error, EINVAL,
1938 RTE_FLOW_ERROR_TYPE_ITEM, item,
1939 "protocol filtering not compatible"
1940 " with ICMP6 layer");
1941 if (!(item_flags & l3m))
1942 return rte_flow_error_set(error, EINVAL,
1943 RTE_FLOW_ERROR_TYPE_ITEM, item,
1944 "IPv6 is mandatory to filter on"
1946 if (item_flags & l4m)
1947 return rte_flow_error_set(error, EINVAL,
1948 RTE_FLOW_ERROR_TYPE_ITEM, item,
1949 "multiple L4 layers not supported");
1951 mask = &rte_flow_item_icmp6_mask;
1952 ret = mlx5_flow_item_acceptable
1953 (item, (const uint8_t *)mask,
1954 (const uint8_t *)&rte_flow_item_icmp6_mask,
1955 sizeof(struct rte_flow_item_icmp6),
1956 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
1963 * Validate ICMP item.
1966 * Item specification.
1967 * @param[in] item_flags
1968 * Bit-fields that holds the items detected until now.
1970 * Pointer to error structure.
1973 * 0 on success, a negative errno value otherwise and rte_errno is set.
1976 mlx5_flow_validate_item_icmp(const struct rte_flow_item *item,
1977 uint64_t item_flags,
1978 uint8_t target_protocol,
1979 struct rte_flow_error *error)
1981 const struct rte_flow_item_icmp *mask = item->mask;
1982 const struct rte_flow_item_icmp nic_mask = {
1983 .hdr.icmp_type = 0xff,
1984 .hdr.icmp_code = 0xff,
1985 .hdr.icmp_ident = RTE_BE16(0xffff),
1986 .hdr.icmp_seq_nb = RTE_BE16(0xffff),
1988 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
1989 const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV4 :
1990 MLX5_FLOW_LAYER_OUTER_L3_IPV4;
1991 const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
1992 MLX5_FLOW_LAYER_OUTER_L4;
1995 if (target_protocol != 0xFF && target_protocol != IPPROTO_ICMP)
1996 return rte_flow_error_set(error, EINVAL,
1997 RTE_FLOW_ERROR_TYPE_ITEM, item,
1998 "protocol filtering not compatible"
1999 " with ICMP layer");
2000 if (!(item_flags & l3m))
2001 return rte_flow_error_set(error, EINVAL,
2002 RTE_FLOW_ERROR_TYPE_ITEM, item,
2003 "IPv4 is mandatory to filter"
2005 if (item_flags & l4m)
2006 return rte_flow_error_set(error, EINVAL,
2007 RTE_FLOW_ERROR_TYPE_ITEM, item,
2008 "multiple L4 layers not supported");
2011 ret = mlx5_flow_item_acceptable
2012 (item, (const uint8_t *)mask,
2013 (const uint8_t *)&nic_mask,
2014 sizeof(struct rte_flow_item_icmp),
2015 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
2022 * Validate Ethernet item.
2025 * Item specification.
2026 * @param[in] item_flags
2027 * Bit-fields that holds the items detected until now.
2029 * Pointer to error structure.
2032 * 0 on success, a negative errno value otherwise and rte_errno is set.
2035 mlx5_flow_validate_item_eth(const struct rte_flow_item *item,
2036 uint64_t item_flags, bool ext_vlan_sup,
2037 struct rte_flow_error *error)
2039 const struct rte_flow_item_eth *mask = item->mask;
2040 const struct rte_flow_item_eth nic_mask = {
2041 .dst.addr_bytes = "\xff\xff\xff\xff\xff\xff",
2042 .src.addr_bytes = "\xff\xff\xff\xff\xff\xff",
2043 .type = RTE_BE16(0xffff),
2044 .has_vlan = ext_vlan_sup ? 1 : 0,
2047 int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
2048 const uint64_t ethm = tunnel ? MLX5_FLOW_LAYER_INNER_L2 :
2049 MLX5_FLOW_LAYER_OUTER_L2;
2051 if (item_flags & ethm)
2052 return rte_flow_error_set(error, ENOTSUP,
2053 RTE_FLOW_ERROR_TYPE_ITEM, item,
2054 "multiple L2 layers not supported");
2055 if ((!tunnel && (item_flags & MLX5_FLOW_LAYER_OUTER_L3)) ||
2056 (tunnel && (item_flags & MLX5_FLOW_LAYER_INNER_L3)))
2057 return rte_flow_error_set(error, EINVAL,
2058 RTE_FLOW_ERROR_TYPE_ITEM, item,
2059 "L2 layer should not follow "
2061 if ((!tunnel && (item_flags & MLX5_FLOW_LAYER_OUTER_VLAN)) ||
2062 (tunnel && (item_flags & MLX5_FLOW_LAYER_INNER_VLAN)))
2063 return rte_flow_error_set(error, EINVAL,
2064 RTE_FLOW_ERROR_TYPE_ITEM, item,
2065 "L2 layer should not follow VLAN");
2066 if (item_flags & MLX5_FLOW_LAYER_GTP)
2067 return rte_flow_error_set(error, EINVAL,
2068 RTE_FLOW_ERROR_TYPE_ITEM, item,
2069 "L2 layer should not follow GTP");
2071 mask = &rte_flow_item_eth_mask;
2072 ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
2073 (const uint8_t *)&nic_mask,
2074 sizeof(struct rte_flow_item_eth),
2075 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
2080 * Validate VLAN item.
2083 * Item specification.
2084 * @param[in] item_flags
2085 * Bit-fields that holds the items detected until now.
2087 * Ethernet device flow is being created on.
2089 * Pointer to error structure.
2092 * 0 on success, a negative errno value otherwise and rte_errno is set.
2095 mlx5_flow_validate_item_vlan(const struct rte_flow_item *item,
2096 uint64_t item_flags,
2097 struct rte_eth_dev *dev,
2098 struct rte_flow_error *error)
2100 const struct rte_flow_item_vlan *spec = item->spec;
2101 const struct rte_flow_item_vlan *mask = item->mask;
2102 const struct rte_flow_item_vlan nic_mask = {
2103 .tci = RTE_BE16(UINT16_MAX),
2104 .inner_type = RTE_BE16(UINT16_MAX),
2106 uint16_t vlan_tag = 0;
2107 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
2109 const uint64_t l34m = tunnel ? (MLX5_FLOW_LAYER_INNER_L3 |
2110 MLX5_FLOW_LAYER_INNER_L4) :
2111 (MLX5_FLOW_LAYER_OUTER_L3 |
2112 MLX5_FLOW_LAYER_OUTER_L4);
2113 const uint64_t vlanm = tunnel ? MLX5_FLOW_LAYER_INNER_VLAN :
2114 MLX5_FLOW_LAYER_OUTER_VLAN;
2116 if (item_flags & vlanm)
2117 return rte_flow_error_set(error, EINVAL,
2118 RTE_FLOW_ERROR_TYPE_ITEM, item,
2119 "multiple VLAN layers not supported");
2120 else if ((item_flags & l34m) != 0)
2121 return rte_flow_error_set(error, EINVAL,
2122 RTE_FLOW_ERROR_TYPE_ITEM, item,
2123 "VLAN cannot follow L3/L4 layer");
2125 mask = &rte_flow_item_vlan_mask;
2126 ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
2127 (const uint8_t *)&nic_mask,
2128 sizeof(struct rte_flow_item_vlan),
2129 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
2132 if (!tunnel && mask->tci != RTE_BE16(0x0fff)) {
2133 struct mlx5_priv *priv = dev->data->dev_private;
2135 if (priv->vmwa_context) {
2137 * Non-NULL context means we have a virtual machine
2138 * and SR-IOV enabled, we have to create VLAN interface
2139 * to make hypervisor to setup E-Switch vport
2140 * context correctly. We avoid creating the multiple
2141 * VLAN interfaces, so we cannot support VLAN tag mask.
2143 return rte_flow_error_set(error, EINVAL,
2144 RTE_FLOW_ERROR_TYPE_ITEM,
2146 "VLAN tag mask is not"
2147 " supported in virtual"
2152 vlan_tag = spec->tci;
2153 vlan_tag &= mask->tci;
2156 * From verbs perspective an empty VLAN is equivalent
2157 * to a packet without VLAN layer.
2160 return rte_flow_error_set(error, EINVAL,
2161 RTE_FLOW_ERROR_TYPE_ITEM_SPEC,
2163 "VLAN cannot be empty");
2168 * Validate IPV4 item.
2171 * Item specification.
2172 * @param[in] item_flags
2173 * Bit-fields that holds the items detected until now.
2174 * @param[in] last_item
2175 * Previous validated item in the pattern items.
2176 * @param[in] ether_type
2177 * Type in the ethernet layer header (including dot1q).
2178 * @param[in] acc_mask
2179 * Acceptable mask, if NULL default internal default mask
2180 * will be used to check whether item fields are supported.
2181 * @param[in] range_accepted
2182 * True if range of values is accepted for specific fields, false otherwise.
2184 * Pointer to error structure.
2187 * 0 on success, a negative errno value otherwise and rte_errno is set.
2190 mlx5_flow_validate_item_ipv4(const struct rte_flow_item *item,
2191 uint64_t item_flags,
2193 uint16_t ether_type,
2194 const struct rte_flow_item_ipv4 *acc_mask,
2195 bool range_accepted,
2196 struct rte_flow_error *error)
2198 const struct rte_flow_item_ipv4 *mask = item->mask;
2199 const struct rte_flow_item_ipv4 *spec = item->spec;
2200 const struct rte_flow_item_ipv4 nic_mask = {
2202 .src_addr = RTE_BE32(0xffffffff),
2203 .dst_addr = RTE_BE32(0xffffffff),
2204 .type_of_service = 0xff,
2205 .next_proto_id = 0xff,
2208 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
2209 const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
2210 MLX5_FLOW_LAYER_OUTER_L3;
2211 const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
2212 MLX5_FLOW_LAYER_OUTER_L4;
2214 uint8_t next_proto = 0xFF;
2215 const uint64_t l2_vlan = (MLX5_FLOW_LAYER_L2 |
2216 MLX5_FLOW_LAYER_OUTER_VLAN |
2217 MLX5_FLOW_LAYER_INNER_VLAN);
2219 if ((last_item & l2_vlan) && ether_type &&
2220 ether_type != RTE_ETHER_TYPE_IPV4)
2221 return rte_flow_error_set(error, EINVAL,
2222 RTE_FLOW_ERROR_TYPE_ITEM, item,
2223 "IPv4 cannot follow L2/VLAN layer "
2224 "which ether type is not IPv4");
2225 if (item_flags & MLX5_FLOW_LAYER_TUNNEL) {
2227 next_proto = mask->hdr.next_proto_id &
2228 spec->hdr.next_proto_id;
2229 if (next_proto == IPPROTO_IPIP || next_proto == IPPROTO_IPV6)
2230 return rte_flow_error_set(error, EINVAL,
2231 RTE_FLOW_ERROR_TYPE_ITEM,
2236 if (item_flags & MLX5_FLOW_LAYER_IPV6_ENCAP)
2237 return rte_flow_error_set(error, EINVAL,
2238 RTE_FLOW_ERROR_TYPE_ITEM, item,
2239 "wrong tunnel type - IPv6 specified "
2240 "but IPv4 item provided");
2241 if (item_flags & l3m)
2242 return rte_flow_error_set(error, ENOTSUP,
2243 RTE_FLOW_ERROR_TYPE_ITEM, item,
2244 "multiple L3 layers not supported");
2245 else if (item_flags & l4m)
2246 return rte_flow_error_set(error, EINVAL,
2247 RTE_FLOW_ERROR_TYPE_ITEM, item,
2248 "L3 cannot follow an L4 layer.");
2249 else if ((item_flags & MLX5_FLOW_LAYER_NVGRE) &&
2250 !(item_flags & MLX5_FLOW_LAYER_INNER_L2))
2251 return rte_flow_error_set(error, EINVAL,
2252 RTE_FLOW_ERROR_TYPE_ITEM, item,
2253 "L3 cannot follow an NVGRE layer.");
2255 mask = &rte_flow_item_ipv4_mask;
2256 else if (mask->hdr.next_proto_id != 0 &&
2257 mask->hdr.next_proto_id != 0xff)
2258 return rte_flow_error_set(error, EINVAL,
2259 RTE_FLOW_ERROR_TYPE_ITEM_MASK, mask,
2260 "partial mask is not supported"
2262 ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
2263 acc_mask ? (const uint8_t *)acc_mask
2264 : (const uint8_t *)&nic_mask,
2265 sizeof(struct rte_flow_item_ipv4),
2266 range_accepted, error);
2273 * Validate IPV6 item.
2276 * Item specification.
2277 * @param[in] item_flags
2278 * Bit-fields that holds the items detected until now.
2279 * @param[in] last_item
2280 * Previous validated item in the pattern items.
2281 * @param[in] ether_type
2282 * Type in the ethernet layer header (including dot1q).
2283 * @param[in] acc_mask
2284 * Acceptable mask, if NULL default internal default mask
2285 * will be used to check whether item fields are supported.
2287 * Pointer to error structure.
2290 * 0 on success, a negative errno value otherwise and rte_errno is set.
2293 mlx5_flow_validate_item_ipv6(const struct rte_flow_item *item,
2294 uint64_t item_flags,
2296 uint16_t ether_type,
2297 const struct rte_flow_item_ipv6 *acc_mask,
2298 struct rte_flow_error *error)
2300 const struct rte_flow_item_ipv6 *mask = item->mask;
2301 const struct rte_flow_item_ipv6 *spec = item->spec;
2302 const struct rte_flow_item_ipv6 nic_mask = {
2305 "\xff\xff\xff\xff\xff\xff\xff\xff"
2306 "\xff\xff\xff\xff\xff\xff\xff\xff",
2308 "\xff\xff\xff\xff\xff\xff\xff\xff"
2309 "\xff\xff\xff\xff\xff\xff\xff\xff",
2310 .vtc_flow = RTE_BE32(0xffffffff),
2314 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
2315 const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
2316 MLX5_FLOW_LAYER_OUTER_L3;
2317 const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
2318 MLX5_FLOW_LAYER_OUTER_L4;
2320 uint8_t next_proto = 0xFF;
2321 const uint64_t l2_vlan = (MLX5_FLOW_LAYER_L2 |
2322 MLX5_FLOW_LAYER_OUTER_VLAN |
2323 MLX5_FLOW_LAYER_INNER_VLAN);
2325 if ((last_item & l2_vlan) && ether_type &&
2326 ether_type != RTE_ETHER_TYPE_IPV6)
2327 return rte_flow_error_set(error, EINVAL,
2328 RTE_FLOW_ERROR_TYPE_ITEM, item,
2329 "IPv6 cannot follow L2/VLAN layer "
2330 "which ether type is not IPv6");
2331 if (mask && mask->hdr.proto == UINT8_MAX && spec)
2332 next_proto = spec->hdr.proto;
2333 if (item_flags & MLX5_FLOW_LAYER_TUNNEL) {
2334 if (next_proto == IPPROTO_IPIP || next_proto == IPPROTO_IPV6)
2335 return rte_flow_error_set(error, EINVAL,
2336 RTE_FLOW_ERROR_TYPE_ITEM,
2341 if (next_proto == IPPROTO_HOPOPTS ||
2342 next_proto == IPPROTO_ROUTING ||
2343 next_proto == IPPROTO_FRAGMENT ||
2344 next_proto == IPPROTO_ESP ||
2345 next_proto == IPPROTO_AH ||
2346 next_proto == IPPROTO_DSTOPTS)
2347 return rte_flow_error_set(error, EINVAL,
2348 RTE_FLOW_ERROR_TYPE_ITEM, item,
2349 "IPv6 proto (next header) should "
2350 "not be set as extension header");
2351 if (item_flags & MLX5_FLOW_LAYER_IPIP)
2352 return rte_flow_error_set(error, EINVAL,
2353 RTE_FLOW_ERROR_TYPE_ITEM, item,
2354 "wrong tunnel type - IPv4 specified "
2355 "but IPv6 item provided");
2356 if (item_flags & l3m)
2357 return rte_flow_error_set(error, ENOTSUP,
2358 RTE_FLOW_ERROR_TYPE_ITEM, item,
2359 "multiple L3 layers not supported");
2360 else if (item_flags & l4m)
2361 return rte_flow_error_set(error, EINVAL,
2362 RTE_FLOW_ERROR_TYPE_ITEM, item,
2363 "L3 cannot follow an L4 layer.");
2364 else if ((item_flags & MLX5_FLOW_LAYER_NVGRE) &&
2365 !(item_flags & MLX5_FLOW_LAYER_INNER_L2))
2366 return rte_flow_error_set(error, EINVAL,
2367 RTE_FLOW_ERROR_TYPE_ITEM, item,
2368 "L3 cannot follow an NVGRE layer.");
2370 mask = &rte_flow_item_ipv6_mask;
2371 ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
2372 acc_mask ? (const uint8_t *)acc_mask
2373 : (const uint8_t *)&nic_mask,
2374 sizeof(struct rte_flow_item_ipv6),
2375 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
2382 * Validate UDP item.
2385 * Item specification.
2386 * @param[in] item_flags
2387 * Bit-fields that holds the items detected until now.
2388 * @param[in] target_protocol
2389 * The next protocol in the previous item.
2390 * @param[in] flow_mask
2391 * mlx5 flow-specific (DV, verbs, etc.) supported header fields mask.
2393 * Pointer to error structure.
2396 * 0 on success, a negative errno value otherwise and rte_errno is set.
2399 mlx5_flow_validate_item_udp(const struct rte_flow_item *item,
2400 uint64_t item_flags,
2401 uint8_t target_protocol,
2402 struct rte_flow_error *error)
2404 const struct rte_flow_item_udp *mask = item->mask;
2405 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
2406 const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
2407 MLX5_FLOW_LAYER_OUTER_L3;
2408 const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
2409 MLX5_FLOW_LAYER_OUTER_L4;
2412 if (target_protocol != 0xff && target_protocol != IPPROTO_UDP)
2413 return rte_flow_error_set(error, EINVAL,
2414 RTE_FLOW_ERROR_TYPE_ITEM, item,
2415 "protocol filtering not compatible"
2417 if (!(item_flags & l3m))
2418 return rte_flow_error_set(error, EINVAL,
2419 RTE_FLOW_ERROR_TYPE_ITEM, item,
2420 "L3 is mandatory to filter on L4");
2421 if (item_flags & l4m)
2422 return rte_flow_error_set(error, EINVAL,
2423 RTE_FLOW_ERROR_TYPE_ITEM, item,
2424 "multiple L4 layers not supported");
2426 mask = &rte_flow_item_udp_mask;
2427 ret = mlx5_flow_item_acceptable
2428 (item, (const uint8_t *)mask,
2429 (const uint8_t *)&rte_flow_item_udp_mask,
2430 sizeof(struct rte_flow_item_udp), MLX5_ITEM_RANGE_NOT_ACCEPTED,
2438 * Validate TCP item.
2441 * Item specification.
2442 * @param[in] item_flags
2443 * Bit-fields that holds the items detected until now.
2444 * @param[in] target_protocol
2445 * The next protocol in the previous item.
2447 * Pointer to error structure.
2450 * 0 on success, a negative errno value otherwise and rte_errno is set.
2453 mlx5_flow_validate_item_tcp(const struct rte_flow_item *item,
2454 uint64_t item_flags,
2455 uint8_t target_protocol,
2456 const struct rte_flow_item_tcp *flow_mask,
2457 struct rte_flow_error *error)
2459 const struct rte_flow_item_tcp *mask = item->mask;
2460 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
2461 const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
2462 MLX5_FLOW_LAYER_OUTER_L3;
2463 const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
2464 MLX5_FLOW_LAYER_OUTER_L4;
2467 MLX5_ASSERT(flow_mask);
2468 if (target_protocol != 0xff && target_protocol != IPPROTO_TCP)
2469 return rte_flow_error_set(error, EINVAL,
2470 RTE_FLOW_ERROR_TYPE_ITEM, item,
2471 "protocol filtering not compatible"
2473 if (!(item_flags & l3m))
2474 return rte_flow_error_set(error, EINVAL,
2475 RTE_FLOW_ERROR_TYPE_ITEM, item,
2476 "L3 is mandatory to filter on L4");
2477 if (item_flags & l4m)
2478 return rte_flow_error_set(error, EINVAL,
2479 RTE_FLOW_ERROR_TYPE_ITEM, item,
2480 "multiple L4 layers not supported");
2482 mask = &rte_flow_item_tcp_mask;
2483 ret = mlx5_flow_item_acceptable
2484 (item, (const uint8_t *)mask,
2485 (const uint8_t *)flow_mask,
2486 sizeof(struct rte_flow_item_tcp), MLX5_ITEM_RANGE_NOT_ACCEPTED,
2494 * Validate VXLAN item.
2497 * Pointer to the Ethernet device structure.
2498 * @param[in] udp_dport
2499 * UDP destination port
2501 * Item specification.
2502 * @param[in] item_flags
2503 * Bit-fields that holds the items detected until now.
2505 * Flow rule attributes.
2507 * Pointer to error structure.
2510 * 0 on success, a negative errno value otherwise and rte_errno is set.
2513 mlx5_flow_validate_item_vxlan(struct rte_eth_dev *dev,
2515 const struct rte_flow_item *item,
2516 uint64_t item_flags,
2517 const struct rte_flow_attr *attr,
2518 struct rte_flow_error *error)
2520 const struct rte_flow_item_vxlan *spec = item->spec;
2521 const struct rte_flow_item_vxlan *mask = item->mask;
2523 struct mlx5_priv *priv = dev->data->dev_private;
2527 } id = { .vlan_id = 0, };
2528 const struct rte_flow_item_vxlan nic_mask = {
2529 .vni = "\xff\xff\xff",
2532 const struct rte_flow_item_vxlan *valid_mask;
2534 if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
2535 return rte_flow_error_set(error, ENOTSUP,
2536 RTE_FLOW_ERROR_TYPE_ITEM, item,
2537 "multiple tunnel layers not"
2539 valid_mask = &rte_flow_item_vxlan_mask;
2541 * Verify only UDPv4 is present as defined in
2542 * https://tools.ietf.org/html/rfc7348
2544 if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L4_UDP))
2545 return rte_flow_error_set(error, EINVAL,
2546 RTE_FLOW_ERROR_TYPE_ITEM, item,
2547 "no outer UDP layer found");
2549 mask = &rte_flow_item_vxlan_mask;
2551 if (priv->sh->steering_format_version !=
2552 MLX5_STEERING_LOGIC_FORMAT_CONNECTX_5 ||
2553 !udp_dport || udp_dport == MLX5_UDP_PORT_VXLAN) {
2554 /* FDB domain & NIC domain non-zero group */
2555 if ((attr->transfer || attr->group) && priv->sh->misc5_cap)
2556 valid_mask = &nic_mask;
2557 /* Group zero in NIC domain */
2558 if (!attr->group && !attr->transfer &&
2559 priv->sh->tunnel_header_0_1)
2560 valid_mask = &nic_mask;
2562 ret = mlx5_flow_item_acceptable
2563 (item, (const uint8_t *)mask,
2564 (const uint8_t *)valid_mask,
2565 sizeof(struct rte_flow_item_vxlan),
2566 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
2570 memcpy(&id.vni[1], spec->vni, 3);
2571 memcpy(&id.vni[1], mask->vni, 3);
2573 if (!(item_flags & MLX5_FLOW_LAYER_OUTER))
2574 return rte_flow_error_set(error, ENOTSUP,
2575 RTE_FLOW_ERROR_TYPE_ITEM, item,
2576 "VXLAN tunnel must be fully defined");
2581 * Validate VXLAN_GPE item.
2584 * Item specification.
2585 * @param[in] item_flags
2586 * Bit-fields that holds the items detected until now.
2588 * Pointer to the private data structure.
2589 * @param[in] target_protocol
2590 * The next protocol in the previous item.
2592 * Pointer to error structure.
2595 * 0 on success, a negative errno value otherwise and rte_errno is set.
2598 mlx5_flow_validate_item_vxlan_gpe(const struct rte_flow_item *item,
2599 uint64_t item_flags,
2600 struct rte_eth_dev *dev,
2601 struct rte_flow_error *error)
2603 struct mlx5_priv *priv = dev->data->dev_private;
2604 const struct rte_flow_item_vxlan_gpe *spec = item->spec;
2605 const struct rte_flow_item_vxlan_gpe *mask = item->mask;
2610 } id = { .vlan_id = 0, };
2612 if (!priv->config.l3_vxlan_en)
2613 return rte_flow_error_set(error, ENOTSUP,
2614 RTE_FLOW_ERROR_TYPE_ITEM, item,
2615 "L3 VXLAN is not enabled by device"
2616 " parameter and/or not configured in"
2618 if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
2619 return rte_flow_error_set(error, ENOTSUP,
2620 RTE_FLOW_ERROR_TYPE_ITEM, item,
2621 "multiple tunnel layers not"
2624 * Verify only UDPv4 is present as defined in
2625 * https://tools.ietf.org/html/rfc7348
2627 if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L4_UDP))
2628 return rte_flow_error_set(error, EINVAL,
2629 RTE_FLOW_ERROR_TYPE_ITEM, item,
2630 "no outer UDP layer found");
2632 mask = &rte_flow_item_vxlan_gpe_mask;
2633 ret = mlx5_flow_item_acceptable
2634 (item, (const uint8_t *)mask,
2635 (const uint8_t *)&rte_flow_item_vxlan_gpe_mask,
2636 sizeof(struct rte_flow_item_vxlan_gpe),
2637 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
2642 return rte_flow_error_set(error, ENOTSUP,
2643 RTE_FLOW_ERROR_TYPE_ITEM,
2645 "VxLAN-GPE protocol"
2647 memcpy(&id.vni[1], spec->vni, 3);
2648 memcpy(&id.vni[1], mask->vni, 3);
2650 if (!(item_flags & MLX5_FLOW_LAYER_OUTER))
2651 return rte_flow_error_set(error, ENOTSUP,
2652 RTE_FLOW_ERROR_TYPE_ITEM, item,
2653 "VXLAN-GPE tunnel must be fully"
2658 * Validate GRE Key item.
2661 * Item specification.
2662 * @param[in] item_flags
2663 * Bit flags to mark detected items.
2664 * @param[in] gre_item
2665 * Pointer to gre_item
2667 * Pointer to error structure.
2670 * 0 on success, a negative errno value otherwise and rte_errno is set.
2673 mlx5_flow_validate_item_gre_key(const struct rte_flow_item *item,
2674 uint64_t item_flags,
2675 const struct rte_flow_item *gre_item,
2676 struct rte_flow_error *error)
2678 const rte_be32_t *mask = item->mask;
2680 rte_be32_t gre_key_default_mask = RTE_BE32(UINT32_MAX);
2681 const struct rte_flow_item_gre *gre_spec;
2682 const struct rte_flow_item_gre *gre_mask;
2684 if (item_flags & MLX5_FLOW_LAYER_GRE_KEY)
2685 return rte_flow_error_set(error, ENOTSUP,
2686 RTE_FLOW_ERROR_TYPE_ITEM, item,
2687 "Multiple GRE key not support");
2688 if (!(item_flags & MLX5_FLOW_LAYER_GRE))
2689 return rte_flow_error_set(error, ENOTSUP,
2690 RTE_FLOW_ERROR_TYPE_ITEM, item,
2691 "No preceding GRE header");
2692 if (item_flags & MLX5_FLOW_LAYER_INNER)
2693 return rte_flow_error_set(error, ENOTSUP,
2694 RTE_FLOW_ERROR_TYPE_ITEM, item,
2695 "GRE key following a wrong item");
2696 gre_mask = gre_item->mask;
2698 gre_mask = &rte_flow_item_gre_mask;
2699 gre_spec = gre_item->spec;
2700 if (gre_spec && (gre_mask->c_rsvd0_ver & RTE_BE16(0x2000)) &&
2701 !(gre_spec->c_rsvd0_ver & RTE_BE16(0x2000)))
2702 return rte_flow_error_set(error, EINVAL,
2703 RTE_FLOW_ERROR_TYPE_ITEM, item,
2704 "Key bit must be on");
2707 mask = &gre_key_default_mask;
2708 ret = mlx5_flow_item_acceptable
2709 (item, (const uint8_t *)mask,
2710 (const uint8_t *)&gre_key_default_mask,
2711 sizeof(rte_be32_t), MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
2716 * Validate GRE item.
2719 * Item specification.
2720 * @param[in] item_flags
2721 * Bit flags to mark detected items.
2722 * @param[in] target_protocol
2723 * The next protocol in the previous item.
2725 * Pointer to error structure.
2728 * 0 on success, a negative errno value otherwise and rte_errno is set.
2731 mlx5_flow_validate_item_gre(const struct rte_flow_item *item,
2732 uint64_t item_flags,
2733 uint8_t target_protocol,
2734 struct rte_flow_error *error)
2736 const struct rte_flow_item_gre *spec __rte_unused = item->spec;
2737 const struct rte_flow_item_gre *mask = item->mask;
2739 const struct rte_flow_item_gre nic_mask = {
2740 .c_rsvd0_ver = RTE_BE16(0xB000),
2741 .protocol = RTE_BE16(UINT16_MAX),
2744 if (target_protocol != 0xff && target_protocol != IPPROTO_GRE)
2745 return rte_flow_error_set(error, EINVAL,
2746 RTE_FLOW_ERROR_TYPE_ITEM, item,
2747 "protocol filtering not compatible"
2748 " with this GRE layer");
2749 if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
2750 return rte_flow_error_set(error, ENOTSUP,
2751 RTE_FLOW_ERROR_TYPE_ITEM, item,
2752 "multiple tunnel layers not"
2754 if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L3))
2755 return rte_flow_error_set(error, ENOTSUP,
2756 RTE_FLOW_ERROR_TYPE_ITEM, item,
2757 "L3 Layer is missing");
2759 mask = &rte_flow_item_gre_mask;
2760 ret = mlx5_flow_item_acceptable
2761 (item, (const uint8_t *)mask,
2762 (const uint8_t *)&nic_mask,
2763 sizeof(struct rte_flow_item_gre), MLX5_ITEM_RANGE_NOT_ACCEPTED,
2767 #ifndef HAVE_MLX5DV_DR
2768 #ifndef HAVE_IBV_DEVICE_MPLS_SUPPORT
2769 if (spec && (spec->protocol & mask->protocol))
2770 return rte_flow_error_set(error, ENOTSUP,
2771 RTE_FLOW_ERROR_TYPE_ITEM, item,
2772 "without MPLS support the"
2773 " specification cannot be used for"
2781 * Validate Geneve item.
2784 * Item specification.
2785 * @param[in] itemFlags
2786 * Bit-fields that holds the items detected until now.
2788 * Pointer to the private data structure.
2790 * Pointer to error structure.
2793 * 0 on success, a negative errno value otherwise and rte_errno is set.
2797 mlx5_flow_validate_item_geneve(const struct rte_flow_item *item,
2798 uint64_t item_flags,
2799 struct rte_eth_dev *dev,
2800 struct rte_flow_error *error)
2802 struct mlx5_priv *priv = dev->data->dev_private;
2803 const struct rte_flow_item_geneve *spec = item->spec;
2804 const struct rte_flow_item_geneve *mask = item->mask;
2807 uint8_t opt_len = priv->config.hca_attr.geneve_max_opt_len ?
2808 MLX5_GENEVE_OPT_LEN_1 : MLX5_GENEVE_OPT_LEN_0;
2809 const struct rte_flow_item_geneve nic_mask = {
2810 .ver_opt_len_o_c_rsvd0 = RTE_BE16(0x3f80),
2811 .vni = "\xff\xff\xff",
2812 .protocol = RTE_BE16(UINT16_MAX),
2815 if (!priv->config.hca_attr.tunnel_stateless_geneve_rx)
2816 return rte_flow_error_set(error, ENOTSUP,
2817 RTE_FLOW_ERROR_TYPE_ITEM, item,
2818 "L3 Geneve is not enabled by device"
2819 " parameter and/or not configured in"
2821 if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
2822 return rte_flow_error_set(error, ENOTSUP,
2823 RTE_FLOW_ERROR_TYPE_ITEM, item,
2824 "multiple tunnel layers not"
2827 * Verify only UDPv4 is present as defined in
2828 * https://tools.ietf.org/html/rfc7348
2830 if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L4_UDP))
2831 return rte_flow_error_set(error, EINVAL,
2832 RTE_FLOW_ERROR_TYPE_ITEM, item,
2833 "no outer UDP layer found");
2835 mask = &rte_flow_item_geneve_mask;
2836 ret = mlx5_flow_item_acceptable
2837 (item, (const uint8_t *)mask,
2838 (const uint8_t *)&nic_mask,
2839 sizeof(struct rte_flow_item_geneve),
2840 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
2844 gbhdr = rte_be_to_cpu_16(spec->ver_opt_len_o_c_rsvd0);
2845 if (MLX5_GENEVE_VER_VAL(gbhdr) ||
2846 MLX5_GENEVE_CRITO_VAL(gbhdr) ||
2847 MLX5_GENEVE_RSVD_VAL(gbhdr) || spec->rsvd1)
2848 return rte_flow_error_set(error, ENOTSUP,
2849 RTE_FLOW_ERROR_TYPE_ITEM,
2851 "Geneve protocol unsupported"
2852 " fields are being used");
2853 if (MLX5_GENEVE_OPTLEN_VAL(gbhdr) > opt_len)
2854 return rte_flow_error_set
2856 RTE_FLOW_ERROR_TYPE_ITEM,
2858 "Unsupported Geneve options length");
2860 if (!(item_flags & MLX5_FLOW_LAYER_OUTER))
2861 return rte_flow_error_set
2863 RTE_FLOW_ERROR_TYPE_ITEM, item,
2864 "Geneve tunnel must be fully defined");
2869 * Validate Geneve TLV option item.
2872 * Item specification.
2873 * @param[in] last_item
2874 * Previous validated item in the pattern items.
2875 * @param[in] geneve_item
2876 * Previous GENEVE item specification.
2878 * Pointer to the rte_eth_dev structure.
2880 * Pointer to error structure.
2883 * 0 on success, a negative errno value otherwise and rte_errno is set.
2886 mlx5_flow_validate_item_geneve_opt(const struct rte_flow_item *item,
2888 const struct rte_flow_item *geneve_item,
2889 struct rte_eth_dev *dev,
2890 struct rte_flow_error *error)
2892 struct mlx5_priv *priv = dev->data->dev_private;
2893 struct mlx5_dev_ctx_shared *sh = priv->sh;
2894 struct mlx5_geneve_tlv_option_resource *geneve_opt_resource;
2895 struct mlx5_hca_attr *hca_attr = &priv->config.hca_attr;
2896 uint8_t data_max_supported =
2897 hca_attr->max_geneve_tlv_option_data_len * 4;
2898 struct mlx5_dev_config *config = &priv->config;
2899 const struct rte_flow_item_geneve *geneve_spec;
2900 const struct rte_flow_item_geneve *geneve_mask;
2901 const struct rte_flow_item_geneve_opt *spec = item->spec;
2902 const struct rte_flow_item_geneve_opt *mask = item->mask;
2904 unsigned int data_len;
2905 uint8_t tlv_option_len;
2906 uint16_t optlen_m, optlen_v;
2907 const struct rte_flow_item_geneve_opt full_mask = {
2908 .option_class = RTE_BE16(0xffff),
2909 .option_type = 0xff,
2914 mask = &rte_flow_item_geneve_opt_mask;
2916 return rte_flow_error_set
2917 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
2918 "Geneve TLV opt class/type/length must be specified");
2919 if ((uint32_t)spec->option_len > MLX5_GENEVE_OPTLEN_MASK)
2920 return rte_flow_error_set
2921 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
2922 "Geneve TLV opt length exceeeds the limit (31)");
2923 /* Check if class type and length masks are full. */
2924 if (full_mask.option_class != mask->option_class ||
2925 full_mask.option_type != mask->option_type ||
2926 full_mask.option_len != (mask->option_len & full_mask.option_len))
2927 return rte_flow_error_set
2928 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
2929 "Geneve TLV opt class/type/length masks must be full");
2930 /* Check if length is supported */
2931 if ((uint32_t)spec->option_len >
2932 config->hca_attr.max_geneve_tlv_option_data_len)
2933 return rte_flow_error_set
2934 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
2935 "Geneve TLV opt length not supported");
2936 if (config->hca_attr.max_geneve_tlv_options > 1)
2938 "max_geneve_tlv_options supports more than 1 option");
2939 /* Check GENEVE item preceding. */
2940 if (!geneve_item || !(last_item & MLX5_FLOW_LAYER_GENEVE))
2941 return rte_flow_error_set
2942 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
2943 "Geneve opt item must be preceded with Geneve item");
2944 geneve_spec = geneve_item->spec;
2945 geneve_mask = geneve_item->mask ? geneve_item->mask :
2946 &rte_flow_item_geneve_mask;
2947 /* Check if GENEVE TLV option size doesn't exceed option length */
2948 if (geneve_spec && (geneve_mask->ver_opt_len_o_c_rsvd0 ||
2949 geneve_spec->ver_opt_len_o_c_rsvd0)) {
2950 tlv_option_len = spec->option_len & mask->option_len;
2951 optlen_v = rte_be_to_cpu_16(geneve_spec->ver_opt_len_o_c_rsvd0);
2952 optlen_v = MLX5_GENEVE_OPTLEN_VAL(optlen_v);
2953 optlen_m = rte_be_to_cpu_16(geneve_mask->ver_opt_len_o_c_rsvd0);
2954 optlen_m = MLX5_GENEVE_OPTLEN_VAL(optlen_m);
2955 if ((optlen_v & optlen_m) <= tlv_option_len)
2956 return rte_flow_error_set
2957 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
2958 "GENEVE TLV option length exceeds optlen");
2960 /* Check if length is 0 or data is 0. */
2961 if (spec->data == NULL || spec->option_len == 0)
2962 return rte_flow_error_set
2963 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
2964 "Geneve TLV opt with zero data/length not supported");
2965 /* Check not all data & mask are 0. */
2966 data_len = spec->option_len * 4;
2967 if (mask->data == NULL) {
2968 for (i = 0; i < data_len; i++)
2972 return rte_flow_error_set(error, ENOTSUP,
2973 RTE_FLOW_ERROR_TYPE_ITEM, item,
2974 "Can't match on Geneve option data 0");
2976 for (i = 0; i < data_len; i++)
2977 if (spec->data[i] & mask->data[i])
2980 return rte_flow_error_set(error, ENOTSUP,
2981 RTE_FLOW_ERROR_TYPE_ITEM, item,
2982 "Can't match on Geneve option data and mask 0");
2983 /* Check data mask supported. */
2984 for (i = data_max_supported; i < data_len ; i++)
2986 return rte_flow_error_set(error, ENOTSUP,
2987 RTE_FLOW_ERROR_TYPE_ITEM, item,
2988 "Data mask is of unsupported size");
2990 /* Check GENEVE option is supported in NIC. */
2991 if (!config->hca_attr.geneve_tlv_opt)
2992 return rte_flow_error_set
2993 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
2994 "Geneve TLV opt not supported");
2995 /* Check if we already have geneve option with different type/class. */
2996 rte_spinlock_lock(&sh->geneve_tlv_opt_sl);
2997 geneve_opt_resource = sh->geneve_tlv_option_resource;
2998 if (geneve_opt_resource != NULL)
2999 if (geneve_opt_resource->option_class != spec->option_class ||
3000 geneve_opt_resource->option_type != spec->option_type ||
3001 geneve_opt_resource->length != spec->option_len) {
3002 rte_spinlock_unlock(&sh->geneve_tlv_opt_sl);
3003 return rte_flow_error_set(error, ENOTSUP,
3004 RTE_FLOW_ERROR_TYPE_ITEM, item,
3005 "Only one Geneve TLV option supported");
3007 rte_spinlock_unlock(&sh->geneve_tlv_opt_sl);
3012 * Validate MPLS item.
3015 * Pointer to the rte_eth_dev structure.
3017 * Item specification.
3018 * @param[in] item_flags
3019 * Bit-fields that holds the items detected until now.
3020 * @param[in] prev_layer
3021 * The protocol layer indicated in previous item.
3023 * Pointer to error structure.
3026 * 0 on success, a negative errno value otherwise and rte_errno is set.
3029 mlx5_flow_validate_item_mpls(struct rte_eth_dev *dev __rte_unused,
3030 const struct rte_flow_item *item __rte_unused,
3031 uint64_t item_flags __rte_unused,
3032 uint64_t prev_layer __rte_unused,
3033 struct rte_flow_error *error)
3035 #ifdef HAVE_IBV_DEVICE_MPLS_SUPPORT
3036 const struct rte_flow_item_mpls *mask = item->mask;
3037 struct mlx5_priv *priv = dev->data->dev_private;
3040 if (!priv->config.mpls_en)
3041 return rte_flow_error_set(error, ENOTSUP,
3042 RTE_FLOW_ERROR_TYPE_ITEM, item,
3043 "MPLS not supported or"
3044 " disabled in firmware"
3046 /* MPLS over UDP, GRE is allowed */
3047 if (!(prev_layer & (MLX5_FLOW_LAYER_OUTER_L4_UDP |
3048 MLX5_FLOW_LAYER_GRE |
3049 MLX5_FLOW_LAYER_GRE_KEY)))
3050 return rte_flow_error_set(error, EINVAL,
3051 RTE_FLOW_ERROR_TYPE_ITEM, item,
3052 "protocol filtering not compatible"
3053 " with MPLS layer");
3054 /* Multi-tunnel isn't allowed but MPLS over GRE is an exception. */
3055 if ((item_flags & MLX5_FLOW_LAYER_TUNNEL) &&
3056 !(item_flags & MLX5_FLOW_LAYER_GRE))
3057 return rte_flow_error_set(error, ENOTSUP,
3058 RTE_FLOW_ERROR_TYPE_ITEM, item,
3059 "multiple tunnel layers not"
3062 mask = &rte_flow_item_mpls_mask;
3063 ret = mlx5_flow_item_acceptable
3064 (item, (const uint8_t *)mask,
3065 (const uint8_t *)&rte_flow_item_mpls_mask,
3066 sizeof(struct rte_flow_item_mpls),
3067 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
3072 return rte_flow_error_set(error, ENOTSUP,
3073 RTE_FLOW_ERROR_TYPE_ITEM, item,
3074 "MPLS is not supported by Verbs, please"
3080 * Validate NVGRE item.
3083 * Item specification.
3084 * @param[in] item_flags
3085 * Bit flags to mark detected items.
3086 * @param[in] target_protocol
3087 * The next protocol in the previous item.
3089 * Pointer to error structure.
3092 * 0 on success, a negative errno value otherwise and rte_errno is set.
3095 mlx5_flow_validate_item_nvgre(const struct rte_flow_item *item,
3096 uint64_t item_flags,
3097 uint8_t target_protocol,
3098 struct rte_flow_error *error)
3100 const struct rte_flow_item_nvgre *mask = item->mask;
3103 if (target_protocol != 0xff && target_protocol != IPPROTO_GRE)
3104 return rte_flow_error_set(error, EINVAL,
3105 RTE_FLOW_ERROR_TYPE_ITEM, item,
3106 "protocol filtering not compatible"
3107 " with this GRE layer");
3108 if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
3109 return rte_flow_error_set(error, ENOTSUP,
3110 RTE_FLOW_ERROR_TYPE_ITEM, item,
3111 "multiple tunnel layers not"
3113 if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L3))
3114 return rte_flow_error_set(error, ENOTSUP,
3115 RTE_FLOW_ERROR_TYPE_ITEM, item,
3116 "L3 Layer is missing");
3118 mask = &rte_flow_item_nvgre_mask;
3119 ret = mlx5_flow_item_acceptable
3120 (item, (const uint8_t *)mask,
3121 (const uint8_t *)&rte_flow_item_nvgre_mask,
3122 sizeof(struct rte_flow_item_nvgre),
3123 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
3130 * Validate eCPRI item.
3133 * Item specification.
3134 * @param[in] item_flags
3135 * Bit-fields that holds the items detected until now.
3136 * @param[in] last_item
3137 * Previous validated item in the pattern items.
3138 * @param[in] ether_type
3139 * Type in the ethernet layer header (including dot1q).
3140 * @param[in] acc_mask
3141 * Acceptable mask, if NULL default internal default mask
3142 * will be used to check whether item fields are supported.
3144 * Pointer to error structure.
3147 * 0 on success, a negative errno value otherwise and rte_errno is set.
3150 mlx5_flow_validate_item_ecpri(const struct rte_flow_item *item,
3151 uint64_t item_flags,
3153 uint16_t ether_type,
3154 const struct rte_flow_item_ecpri *acc_mask,
3155 struct rte_flow_error *error)
3157 const struct rte_flow_item_ecpri *mask = item->mask;
3158 const struct rte_flow_item_ecpri nic_mask = {
3162 RTE_BE32(((const struct rte_ecpri_common_hdr) {
3166 .dummy[0] = 0xFFFFFFFF,
3169 const uint64_t outer_l2_vlan = (MLX5_FLOW_LAYER_OUTER_L2 |
3170 MLX5_FLOW_LAYER_OUTER_VLAN);
3171 struct rte_flow_item_ecpri mask_lo;
3173 if (!(last_item & outer_l2_vlan) &&
3174 last_item != MLX5_FLOW_LAYER_OUTER_L4_UDP)
3175 return rte_flow_error_set(error, EINVAL,
3176 RTE_FLOW_ERROR_TYPE_ITEM, item,
3177 "eCPRI can only follow L2/VLAN layer or UDP layer");
3178 if ((last_item & outer_l2_vlan) && ether_type &&
3179 ether_type != RTE_ETHER_TYPE_ECPRI)
3180 return rte_flow_error_set(error, EINVAL,
3181 RTE_FLOW_ERROR_TYPE_ITEM, item,
3182 "eCPRI cannot follow L2/VLAN layer which ether type is not 0xAEFE");
3183 if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
3184 return rte_flow_error_set(error, EINVAL,
3185 RTE_FLOW_ERROR_TYPE_ITEM, item,
3186 "eCPRI with tunnel is not supported right now");
3187 if (item_flags & MLX5_FLOW_LAYER_OUTER_L3)
3188 return rte_flow_error_set(error, ENOTSUP,
3189 RTE_FLOW_ERROR_TYPE_ITEM, item,
3190 "multiple L3 layers not supported");
3191 else if (item_flags & MLX5_FLOW_LAYER_OUTER_L4_TCP)
3192 return rte_flow_error_set(error, EINVAL,
3193 RTE_FLOW_ERROR_TYPE_ITEM, item,
3194 "eCPRI cannot coexist with a TCP layer");
3195 /* In specification, eCPRI could be over UDP layer. */
3196 else if (item_flags & MLX5_FLOW_LAYER_OUTER_L4_UDP)
3197 return rte_flow_error_set(error, EINVAL,
3198 RTE_FLOW_ERROR_TYPE_ITEM, item,
3199 "eCPRI over UDP layer is not yet supported right now");
3200 /* Mask for type field in common header could be zero. */
3202 mask = &rte_flow_item_ecpri_mask;
3203 mask_lo.hdr.common.u32 = rte_be_to_cpu_32(mask->hdr.common.u32);
3204 /* Input mask is in big-endian format. */
3205 if (mask_lo.hdr.common.type != 0 && mask_lo.hdr.common.type != 0xff)
3206 return rte_flow_error_set(error, EINVAL,
3207 RTE_FLOW_ERROR_TYPE_ITEM_MASK, mask,
3208 "partial mask is not supported for protocol");
3209 else if (mask_lo.hdr.common.type == 0 && mask->hdr.dummy[0] != 0)
3210 return rte_flow_error_set(error, EINVAL,
3211 RTE_FLOW_ERROR_TYPE_ITEM_MASK, mask,
3212 "message header mask must be after a type mask");
3213 return mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
3214 acc_mask ? (const uint8_t *)acc_mask
3215 : (const uint8_t *)&nic_mask,
3216 sizeof(struct rte_flow_item_ecpri),
3217 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
3221 flow_null_validate(struct rte_eth_dev *dev __rte_unused,
3222 const struct rte_flow_attr *attr __rte_unused,
3223 const struct rte_flow_item items[] __rte_unused,
3224 const struct rte_flow_action actions[] __rte_unused,
3225 bool external __rte_unused,
3226 int hairpin __rte_unused,
3227 struct rte_flow_error *error)
3229 return rte_flow_error_set(error, ENOTSUP,
3230 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, NULL);
3233 static struct mlx5_flow *
3234 flow_null_prepare(struct rte_eth_dev *dev __rte_unused,
3235 const struct rte_flow_attr *attr __rte_unused,
3236 const struct rte_flow_item items[] __rte_unused,
3237 const struct rte_flow_action actions[] __rte_unused,
3238 struct rte_flow_error *error)
3240 rte_flow_error_set(error, ENOTSUP,
3241 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, NULL);
3246 flow_null_translate(struct rte_eth_dev *dev __rte_unused,
3247 struct mlx5_flow *dev_flow __rte_unused,
3248 const struct rte_flow_attr *attr __rte_unused,
3249 const struct rte_flow_item items[] __rte_unused,
3250 const struct rte_flow_action actions[] __rte_unused,
3251 struct rte_flow_error *error)
3253 return rte_flow_error_set(error, ENOTSUP,
3254 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, NULL);
3258 flow_null_apply(struct rte_eth_dev *dev __rte_unused,
3259 struct rte_flow *flow __rte_unused,
3260 struct rte_flow_error *error)
3262 return rte_flow_error_set(error, ENOTSUP,
3263 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, NULL);
3267 flow_null_remove(struct rte_eth_dev *dev __rte_unused,
3268 struct rte_flow *flow __rte_unused)
3273 flow_null_destroy(struct rte_eth_dev *dev __rte_unused,
3274 struct rte_flow *flow __rte_unused)
3279 flow_null_query(struct rte_eth_dev *dev __rte_unused,
3280 struct rte_flow *flow __rte_unused,
3281 const struct rte_flow_action *actions __rte_unused,
3282 void *data __rte_unused,
3283 struct rte_flow_error *error)
3285 return rte_flow_error_set(error, ENOTSUP,
3286 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, NULL);
3290 flow_null_sync_domain(struct rte_eth_dev *dev __rte_unused,
3291 uint32_t domains __rte_unused,
3292 uint32_t flags __rte_unused)
3297 /* Void driver to protect from null pointer reference. */
3298 const struct mlx5_flow_driver_ops mlx5_flow_null_drv_ops = {
3299 .validate = flow_null_validate,
3300 .prepare = flow_null_prepare,
3301 .translate = flow_null_translate,
3302 .apply = flow_null_apply,
3303 .remove = flow_null_remove,
3304 .destroy = flow_null_destroy,
3305 .query = flow_null_query,
3306 .sync_domain = flow_null_sync_domain,
3310 * Select flow driver type according to flow attributes and device
3314 * Pointer to the dev structure.
3316 * Pointer to the flow attributes.
3319 * flow driver type, MLX5_FLOW_TYPE_MAX otherwise.
3321 static enum mlx5_flow_drv_type
3322 flow_get_drv_type(struct rte_eth_dev *dev, const struct rte_flow_attr *attr)
3324 struct mlx5_priv *priv = dev->data->dev_private;
3325 /* The OS can determine first a specific flow type (DV, VERBS) */
3326 enum mlx5_flow_drv_type type = mlx5_flow_os_get_type();
3328 if (type != MLX5_FLOW_TYPE_MAX)
3330 /* If no OS specific type - continue with DV/VERBS selection */
3331 if (attr->transfer && priv->config.dv_esw_en)
3332 type = MLX5_FLOW_TYPE_DV;
3333 if (!attr->transfer)
3334 type = priv->config.dv_flow_en ? MLX5_FLOW_TYPE_DV :
3335 MLX5_FLOW_TYPE_VERBS;
3339 #define flow_get_drv_ops(type) flow_drv_ops[type]
3342 * Flow driver validation API. This abstracts calling driver specific functions.
3343 * The type of flow driver is determined according to flow attributes.
3346 * Pointer to the dev structure.
3348 * Pointer to the flow attributes.
3350 * Pointer to the list of items.
3351 * @param[in] actions
3352 * Pointer to the list of actions.
3353 * @param[in] external
3354 * This flow rule is created by request external to PMD.
3355 * @param[in] hairpin
3356 * Number of hairpin TX actions, 0 means classic flow.
3358 * Pointer to the error structure.
3361 * 0 on success, a negative errno value otherwise and rte_errno is set.
3364 flow_drv_validate(struct rte_eth_dev *dev,
3365 const struct rte_flow_attr *attr,
3366 const struct rte_flow_item items[],
3367 const struct rte_flow_action actions[],
3368 bool external, int hairpin, struct rte_flow_error *error)
3370 const struct mlx5_flow_driver_ops *fops;
3371 enum mlx5_flow_drv_type type = flow_get_drv_type(dev, attr);
3373 fops = flow_get_drv_ops(type);
3374 return fops->validate(dev, attr, items, actions, external,
3379 * Flow driver preparation API. This abstracts calling driver specific
3380 * functions. Parent flow (rte_flow) should have driver type (drv_type). It
3381 * calculates the size of memory required for device flow, allocates the memory,
3382 * initializes the device flow and returns the pointer.
3385 * This function initializes device flow structure such as dv or verbs in
3386 * struct mlx5_flow. However, it is caller's responsibility to initialize the
3387 * rest. For example, adding returning device flow to flow->dev_flow list and
3388 * setting backward reference to the flow should be done out of this function.
3389 * layers field is not filled either.
3392 * Pointer to the dev structure.
3394 * Pointer to the flow attributes.
3396 * Pointer to the list of items.
3397 * @param[in] actions
3398 * Pointer to the list of actions.
3399 * @param[in] flow_idx
3400 * This memory pool index to the flow.
3402 * Pointer to the error structure.
3405 * Pointer to device flow on success, otherwise NULL and rte_errno is set.
3407 static inline struct mlx5_flow *
3408 flow_drv_prepare(struct rte_eth_dev *dev,
3409 const struct rte_flow *flow,
3410 const struct rte_flow_attr *attr,
3411 const struct rte_flow_item items[],
3412 const struct rte_flow_action actions[],
3414 struct rte_flow_error *error)
3416 const struct mlx5_flow_driver_ops *fops;
3417 enum mlx5_flow_drv_type type = flow->drv_type;
3418 struct mlx5_flow *mlx5_flow = NULL;
3420 MLX5_ASSERT(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
3421 fops = flow_get_drv_ops(type);
3422 mlx5_flow = fops->prepare(dev, attr, items, actions, error);
3424 mlx5_flow->flow_idx = flow_idx;
3429 * Flow driver translation API. This abstracts calling driver specific
3430 * functions. Parent flow (rte_flow) should have driver type (drv_type). It
3431 * translates a generic flow into a driver flow. flow_drv_prepare() must
3435 * dev_flow->layers could be filled as a result of parsing during translation
3436 * if needed by flow_drv_apply(). dev_flow->flow->actions can also be filled
3437 * if necessary. As a flow can have multiple dev_flows by RSS flow expansion,
3438 * flow->actions could be overwritten even though all the expanded dev_flows
3439 * have the same actions.
3442 * Pointer to the rte dev structure.
3443 * @param[in, out] dev_flow
3444 * Pointer to the mlx5 flow.
3446 * Pointer to the flow attributes.
3448 * Pointer to the list of items.
3449 * @param[in] actions
3450 * Pointer to the list of actions.
3452 * Pointer to the error structure.
3455 * 0 on success, a negative errno value otherwise and rte_errno is set.
3458 flow_drv_translate(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow,
3459 const struct rte_flow_attr *attr,
3460 const struct rte_flow_item items[],
3461 const struct rte_flow_action actions[],
3462 struct rte_flow_error *error)
3464 const struct mlx5_flow_driver_ops *fops;
3465 enum mlx5_flow_drv_type type = dev_flow->flow->drv_type;
3467 MLX5_ASSERT(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
3468 fops = flow_get_drv_ops(type);
3469 return fops->translate(dev, dev_flow, attr, items, actions, error);
3473 * Flow driver apply API. This abstracts calling driver specific functions.
3474 * Parent flow (rte_flow) should have driver type (drv_type). It applies
3475 * translated driver flows on to device. flow_drv_translate() must precede.
3478 * Pointer to Ethernet device structure.
3479 * @param[in, out] flow
3480 * Pointer to flow structure.
3482 * Pointer to error structure.
3485 * 0 on success, a negative errno value otherwise and rte_errno is set.
3488 flow_drv_apply(struct rte_eth_dev *dev, struct rte_flow *flow,
3489 struct rte_flow_error *error)
3491 const struct mlx5_flow_driver_ops *fops;
3492 enum mlx5_flow_drv_type type = flow->drv_type;
3494 MLX5_ASSERT(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
3495 fops = flow_get_drv_ops(type);
3496 return fops->apply(dev, flow, error);
3500 * Flow driver destroy API. This abstracts calling driver specific functions.
3501 * Parent flow (rte_flow) should have driver type (drv_type). It removes a flow
3502 * on device and releases resources of the flow.
3505 * Pointer to Ethernet device.
3506 * @param[in, out] flow
3507 * Pointer to flow structure.
3510 flow_drv_destroy(struct rte_eth_dev *dev, struct rte_flow *flow)
3512 const struct mlx5_flow_driver_ops *fops;
3513 enum mlx5_flow_drv_type type = flow->drv_type;
3515 MLX5_ASSERT(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
3516 fops = flow_get_drv_ops(type);
3517 fops->destroy(dev, flow);
3521 * Flow driver find RSS policy tbl API. This abstracts calling driver
3522 * specific functions. Parent flow (rte_flow) should have driver
3523 * type (drv_type). It will find the RSS policy table that has the rss_desc.
3526 * Pointer to Ethernet device.
3527 * @param[in, out] flow
3528 * Pointer to flow structure.
3530 * Pointer to meter policy table.
3531 * @param[in] rss_desc
3532 * Pointer to rss_desc
3534 static struct mlx5_flow_meter_sub_policy *
3535 flow_drv_meter_sub_policy_rss_prepare(struct rte_eth_dev *dev,
3536 struct rte_flow *flow,
3537 struct mlx5_flow_meter_policy *policy,
3538 struct mlx5_flow_rss_desc *rss_desc[MLX5_MTR_RTE_COLORS])
3540 const struct mlx5_flow_driver_ops *fops;
3541 enum mlx5_flow_drv_type type = flow->drv_type;
3543 MLX5_ASSERT(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
3544 fops = flow_get_drv_ops(type);
3545 return fops->meter_sub_policy_rss_prepare(dev, policy, rss_desc);
3549 * Flow driver color tag rule API. This abstracts calling driver
3550 * specific functions. Parent flow (rte_flow) should have driver
3551 * type (drv_type). It will create the color tag rules in hierarchy meter.
3554 * Pointer to Ethernet device.
3555 * @param[in, out] flow
3556 * Pointer to flow structure.
3558 * Pointer to flow meter structure.
3559 * @param[in] src_port
3560 * The src port this extra rule should use.
3562 * The src port id match item.
3564 * Pointer to error structure.
3567 flow_drv_mtr_hierarchy_rule_create(struct rte_eth_dev *dev,
3568 struct rte_flow *flow,
3569 struct mlx5_flow_meter_info *fm,
3571 const struct rte_flow_item *item,
3572 struct rte_flow_error *error)
3574 const struct mlx5_flow_driver_ops *fops;
3575 enum mlx5_flow_drv_type type = flow->drv_type;
3577 MLX5_ASSERT(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
3578 fops = flow_get_drv_ops(type);
3579 return fops->meter_hierarchy_rule_create(dev, fm,
3580 src_port, item, error);
3584 * Get RSS action from the action list.
3587 * Pointer to Ethernet device.
3588 * @param[in] actions
3589 * Pointer to the list of actions.
3591 * Parent flow structure pointer.
3594 * Pointer to the RSS action if exist, else return NULL.
3596 static const struct rte_flow_action_rss*
3597 flow_get_rss_action(struct rte_eth_dev *dev,
3598 const struct rte_flow_action actions[])
3600 struct mlx5_priv *priv = dev->data->dev_private;
3601 const struct rte_flow_action_rss *rss = NULL;
3603 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
3604 switch (actions->type) {
3605 case RTE_FLOW_ACTION_TYPE_RSS:
3606 rss = actions->conf;
3608 case RTE_FLOW_ACTION_TYPE_SAMPLE:
3610 const struct rte_flow_action_sample *sample =
3612 const struct rte_flow_action *act = sample->actions;
3613 for (; act->type != RTE_FLOW_ACTION_TYPE_END; act++)
3614 if (act->type == RTE_FLOW_ACTION_TYPE_RSS)
3618 case RTE_FLOW_ACTION_TYPE_METER:
3621 struct mlx5_flow_meter_info *fm;
3622 struct mlx5_flow_meter_policy *policy;
3623 const struct rte_flow_action_meter *mtr = actions->conf;
3625 fm = mlx5_flow_meter_find(priv, mtr->mtr_id, &mtr_idx);
3626 if (fm && !fm->def_policy) {
3627 policy = mlx5_flow_meter_policy_find(dev,
3628 fm->policy_id, NULL);
3629 MLX5_ASSERT(policy);
3630 if (policy->is_hierarchy) {
3632 mlx5_flow_meter_hierarchy_get_final_policy(dev,
3639 policy->act_cnt[RTE_COLOR_GREEN].rss->conf;
3651 * Get ASO age action by index.
3654 * Pointer to the Ethernet device structure.
3655 * @param[in] age_idx
3656 * Index to the ASO age action.
3659 * The specified ASO age action.
3661 struct mlx5_aso_age_action*
3662 flow_aso_age_get_by_idx(struct rte_eth_dev *dev, uint32_t age_idx)
3664 uint16_t pool_idx = age_idx & UINT16_MAX;
3665 uint16_t offset = (age_idx >> 16) & UINT16_MAX;
3666 struct mlx5_priv *priv = dev->data->dev_private;
3667 struct mlx5_aso_age_mng *mng = priv->sh->aso_age_mng;
3668 struct mlx5_aso_age_pool *pool = mng->pools[pool_idx];
3670 return &pool->actions[offset - 1];
3673 /* maps indirect action to translated direct in some actions array */
3674 struct mlx5_translated_action_handle {
3675 struct rte_flow_action_handle *action; /**< Indirect action handle. */
3676 int index; /**< Index in related array of rte_flow_action. */
3680 * Translates actions of type RTE_FLOW_ACTION_TYPE_INDIRECT to related
3681 * direct action if translation possible.
3682 * This functionality used to run same execution path for both direct and
3683 * indirect actions on flow create. All necessary preparations for indirect
3684 * action handling should be performed on *handle* actions list returned
3688 * Pointer to Ethernet device.
3689 * @param[in] actions
3690 * List of actions to translate.
3691 * @param[out] handle
3692 * List to store translated indirect action object handles.
3693 * @param[in, out] indir_n
3694 * Size of *handle* array. On return should be updated with number of
3695 * indirect actions retrieved from the *actions* list.
3696 * @param[out] translated_actions
3697 * List of actions where all indirect actions were translated to direct
3698 * if possible. NULL if no translation took place.
3700 * Pointer to the error structure.
3703 * 0 on success, a negative errno value otherwise and rte_errno is set.
3706 flow_action_handles_translate(struct rte_eth_dev *dev,
3707 const struct rte_flow_action actions[],
3708 struct mlx5_translated_action_handle *handle,
3710 struct rte_flow_action **translated_actions,
3711 struct rte_flow_error *error)
3713 struct mlx5_priv *priv = dev->data->dev_private;
3714 struct rte_flow_action *translated = NULL;
3715 size_t actions_size;
3718 struct mlx5_translated_action_handle *handle_end = NULL;
3720 for (n = 0; actions[n].type != RTE_FLOW_ACTION_TYPE_END; n++) {
3721 if (actions[n].type != RTE_FLOW_ACTION_TYPE_INDIRECT)
3723 if (copied_n == *indir_n) {
3724 return rte_flow_error_set
3725 (error, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION_NUM,
3726 NULL, "too many shared actions");
3728 rte_memcpy(&handle[copied_n].action, &actions[n].conf,
3729 sizeof(actions[n].conf));
3730 handle[copied_n].index = n;
3734 *indir_n = copied_n;
3737 actions_size = sizeof(struct rte_flow_action) * n;
3738 translated = mlx5_malloc(MLX5_MEM_ZERO, actions_size, 0, SOCKET_ID_ANY);
3743 memcpy(translated, actions, actions_size);
3744 for (handle_end = handle + copied_n; handle < handle_end; handle++) {
3745 struct mlx5_shared_action_rss *shared_rss;
3746 uint32_t act_idx = (uint32_t)(uintptr_t)handle->action;
3747 uint32_t type = act_idx >> MLX5_INDIRECT_ACTION_TYPE_OFFSET;
3748 uint32_t idx = act_idx &
3749 ((1u << MLX5_INDIRECT_ACTION_TYPE_OFFSET) - 1);
3752 case MLX5_INDIRECT_ACTION_TYPE_RSS:
3753 shared_rss = mlx5_ipool_get
3754 (priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS], idx);
3755 translated[handle->index].type =
3756 RTE_FLOW_ACTION_TYPE_RSS;
3757 translated[handle->index].conf =
3758 &shared_rss->origin;
3760 case MLX5_INDIRECT_ACTION_TYPE_COUNT:
3761 translated[handle->index].type =
3762 (enum rte_flow_action_type)
3763 MLX5_RTE_FLOW_ACTION_TYPE_COUNT;
3764 translated[handle->index].conf = (void *)(uintptr_t)idx;
3766 case MLX5_INDIRECT_ACTION_TYPE_AGE:
3767 if (priv->sh->flow_hit_aso_en) {
3768 translated[handle->index].type =
3769 (enum rte_flow_action_type)
3770 MLX5_RTE_FLOW_ACTION_TYPE_AGE;
3771 translated[handle->index].conf =
3772 (void *)(uintptr_t)idx;
3776 case MLX5_INDIRECT_ACTION_TYPE_CT:
3777 if (priv->sh->ct_aso_en) {
3778 translated[handle->index].type =
3779 RTE_FLOW_ACTION_TYPE_CONNTRACK;
3780 translated[handle->index].conf =
3781 (void *)(uintptr_t)idx;
3786 mlx5_free(translated);
3787 return rte_flow_error_set
3788 (error, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION,
3789 NULL, "invalid indirect action type");
3792 *translated_actions = translated;
3797 * Get Shared RSS action from the action list.
3800 * Pointer to Ethernet device.
3802 * Pointer to the list of actions.
3803 * @param[in] shared_n
3804 * Actions list length.
3807 * The MLX5 RSS action ID if exists, otherwise return 0.
3810 flow_get_shared_rss_action(struct rte_eth_dev *dev,
3811 struct mlx5_translated_action_handle *handle,
3814 struct mlx5_translated_action_handle *handle_end;
3815 struct mlx5_priv *priv = dev->data->dev_private;
3816 struct mlx5_shared_action_rss *shared_rss;
3819 for (handle_end = handle + shared_n; handle < handle_end; handle++) {
3820 uint32_t act_idx = (uint32_t)(uintptr_t)handle->action;
3821 uint32_t type = act_idx >> MLX5_INDIRECT_ACTION_TYPE_OFFSET;
3822 uint32_t idx = act_idx &
3823 ((1u << MLX5_INDIRECT_ACTION_TYPE_OFFSET) - 1);
3825 case MLX5_INDIRECT_ACTION_TYPE_RSS:
3826 shared_rss = mlx5_ipool_get
3827 (priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS],
3829 __atomic_add_fetch(&shared_rss->refcnt, 1,
3840 find_graph_root(uint32_t rss_level)
3842 return rss_level < 2 ? MLX5_EXPANSION_ROOT :
3843 MLX5_EXPANSION_ROOT_OUTER;
3847 * Get layer flags from the prefix flow.
3849 * Some flows may be split to several subflows, the prefix subflow gets the
3850 * match items and the suffix sub flow gets the actions.
3851 * Some actions need the user defined match item flags to get the detail for
3853 * This function helps the suffix flow to get the item layer flags from prefix
3856 * @param[in] dev_flow
3857 * Pointer the created preifx subflow.
3860 * The layers get from prefix subflow.
3862 static inline uint64_t
3863 flow_get_prefix_layer_flags(struct mlx5_flow *dev_flow)
3865 uint64_t layers = 0;
3868 * Layers bits could be localization, but usually the compiler will
3869 * help to do the optimization work for source code.
3870 * If no decap actions, use the layers directly.
3872 if (!(dev_flow->act_flags & MLX5_FLOW_ACTION_DECAP))
3873 return dev_flow->handle->layers;
3874 /* Convert L3 layers with decap action. */
3875 if (dev_flow->handle->layers & MLX5_FLOW_LAYER_INNER_L3_IPV4)
3876 layers |= MLX5_FLOW_LAYER_OUTER_L3_IPV4;
3877 else if (dev_flow->handle->layers & MLX5_FLOW_LAYER_INNER_L3_IPV6)
3878 layers |= MLX5_FLOW_LAYER_OUTER_L3_IPV6;
3879 /* Convert L4 layers with decap action. */
3880 if (dev_flow->handle->layers & MLX5_FLOW_LAYER_INNER_L4_TCP)
3881 layers |= MLX5_FLOW_LAYER_OUTER_L4_TCP;
3882 else if (dev_flow->handle->layers & MLX5_FLOW_LAYER_INNER_L4_UDP)
3883 layers |= MLX5_FLOW_LAYER_OUTER_L4_UDP;
3888 * Get metadata split action information.
3890 * @param[in] actions
3891 * Pointer to the list of actions.
3893 * Pointer to the return pointer.
3894 * @param[out] qrss_type
3895 * Pointer to the action type to return. RTE_FLOW_ACTION_TYPE_END is returned
3896 * if no QUEUE/RSS is found.
3897 * @param[out] encap_idx
3898 * Pointer to the index of the encap action if exists, otherwise the last
3902 * Total number of actions.
3905 flow_parse_metadata_split_actions_info(const struct rte_flow_action actions[],
3906 const struct rte_flow_action **qrss,
3909 const struct rte_flow_action_raw_encap *raw_encap;
3911 int raw_decap_idx = -1;
3914 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
3915 switch (actions->type) {
3916 case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
3917 case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP:
3918 *encap_idx = actions_n;
3920 case RTE_FLOW_ACTION_TYPE_RAW_DECAP:
3921 raw_decap_idx = actions_n;
3923 case RTE_FLOW_ACTION_TYPE_RAW_ENCAP:
3924 raw_encap = actions->conf;
3925 if (raw_encap->size > MLX5_ENCAPSULATION_DECISION_SIZE)
3926 *encap_idx = raw_decap_idx != -1 ?
3927 raw_decap_idx : actions_n;
3929 case RTE_FLOW_ACTION_TYPE_QUEUE:
3930 case RTE_FLOW_ACTION_TYPE_RSS:
3938 if (*encap_idx == -1)
3939 *encap_idx = actions_n;
3940 /* Count RTE_FLOW_ACTION_TYPE_END. */
3941 return actions_n + 1;
3945 * Check if the action will change packet.
3948 * Pointer to Ethernet device.
3953 * true if action will change packet, false otherwise.
3955 static bool flow_check_modify_action_type(struct rte_eth_dev *dev,
3956 enum rte_flow_action_type type)
3958 struct mlx5_priv *priv = dev->data->dev_private;
3961 case RTE_FLOW_ACTION_TYPE_SET_MAC_SRC:
3962 case RTE_FLOW_ACTION_TYPE_SET_MAC_DST:
3963 case RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC:
3964 case RTE_FLOW_ACTION_TYPE_SET_IPV4_DST:
3965 case RTE_FLOW_ACTION_TYPE_SET_IPV6_SRC:
3966 case RTE_FLOW_ACTION_TYPE_SET_IPV6_DST:
3967 case RTE_FLOW_ACTION_TYPE_SET_TP_SRC:
3968 case RTE_FLOW_ACTION_TYPE_SET_TP_DST:
3969 case RTE_FLOW_ACTION_TYPE_DEC_TTL:
3970 case RTE_FLOW_ACTION_TYPE_SET_TTL:
3971 case RTE_FLOW_ACTION_TYPE_INC_TCP_SEQ:
3972 case RTE_FLOW_ACTION_TYPE_DEC_TCP_SEQ:
3973 case RTE_FLOW_ACTION_TYPE_INC_TCP_ACK:
3974 case RTE_FLOW_ACTION_TYPE_DEC_TCP_ACK:
3975 case RTE_FLOW_ACTION_TYPE_SET_IPV4_DSCP:
3976 case RTE_FLOW_ACTION_TYPE_SET_IPV6_DSCP:
3977 case RTE_FLOW_ACTION_TYPE_SET_META:
3978 case RTE_FLOW_ACTION_TYPE_SET_TAG:
3979 case RTE_FLOW_ACTION_TYPE_OF_POP_VLAN:
3980 case RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN:
3981 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID:
3982 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_PCP:
3983 case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
3984 case RTE_FLOW_ACTION_TYPE_VXLAN_DECAP:
3985 case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP:
3986 case RTE_FLOW_ACTION_TYPE_NVGRE_DECAP:
3987 case RTE_FLOW_ACTION_TYPE_RAW_ENCAP:
3988 case RTE_FLOW_ACTION_TYPE_RAW_DECAP:
3989 case RTE_FLOW_ACTION_TYPE_MODIFY_FIELD:
3991 case RTE_FLOW_ACTION_TYPE_FLAG:
3992 case RTE_FLOW_ACTION_TYPE_MARK:
3993 if (priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY)
4003 * Check meter action from the action list.
4006 * Pointer to Ethernet device.
4007 * @param[in] actions
4008 * Pointer to the list of actions.
4009 * @param[out] has_mtr
4010 * Pointer to the meter exist flag.
4011 * @param[out] has_modify
4012 * Pointer to the flag showing there's packet change action.
4013 * @param[out] meter_id
4014 * Pointer to the meter id.
4017 * Total number of actions.
4020 flow_check_meter_action(struct rte_eth_dev *dev,
4021 const struct rte_flow_action actions[],
4022 bool *has_mtr, bool *has_modify, uint32_t *meter_id)
4024 const struct rte_flow_action_meter *mtr = NULL;
4027 MLX5_ASSERT(has_mtr);
4029 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
4030 switch (actions->type) {
4031 case RTE_FLOW_ACTION_TYPE_METER:
4032 mtr = actions->conf;
4033 *meter_id = mtr->mtr_id;
4040 *has_modify |= flow_check_modify_action_type(dev,
4044 /* Count RTE_FLOW_ACTION_TYPE_END. */
4045 return actions_n + 1;
4049 * Check if the flow should be split due to hairpin.
4050 * The reason for the split is that in current HW we can't
4051 * support encap and push-vlan on Rx, so if a flow contains
4052 * these actions we move it to Tx.
4055 * Pointer to Ethernet device.
4057 * Flow rule attributes.
4058 * @param[in] actions
4059 * Associated actions (list terminated by the END action).
4062 * > 0 the number of actions and the flow should be split,
4063 * 0 when no split required.
4066 flow_check_hairpin_split(struct rte_eth_dev *dev,
4067 const struct rte_flow_attr *attr,
4068 const struct rte_flow_action actions[])
4070 int queue_action = 0;
4073 const struct rte_flow_action_queue *queue;
4074 const struct rte_flow_action_rss *rss;
4075 const struct rte_flow_action_raw_encap *raw_encap;
4076 const struct rte_eth_hairpin_conf *conf;
4080 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
4081 switch (actions->type) {
4082 case RTE_FLOW_ACTION_TYPE_QUEUE:
4083 queue = actions->conf;
4086 conf = mlx5_rxq_get_hairpin_conf(dev, queue->index);
4087 if (conf == NULL || conf->tx_explicit != 0)
4092 case RTE_FLOW_ACTION_TYPE_RSS:
4093 rss = actions->conf;
4094 if (rss == NULL || rss->queue_num == 0)
4096 conf = mlx5_rxq_get_hairpin_conf(dev, rss->queue[0]);
4097 if (conf == NULL || conf->tx_explicit != 0)
4102 case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
4103 case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP:
4104 case RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN:
4105 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID:
4106 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_PCP:
4110 case RTE_FLOW_ACTION_TYPE_RAW_ENCAP:
4111 raw_encap = actions->conf;
4112 if (raw_encap->size > MLX5_ENCAPSULATION_DECISION_SIZE)
4121 if (split && queue_action)
4126 /* Declare flow create/destroy prototype in advance. */
4128 flow_list_create(struct rte_eth_dev *dev, enum mlx5_flow_type type,
4129 const struct rte_flow_attr *attr,
4130 const struct rte_flow_item items[],
4131 const struct rte_flow_action actions[],
4132 bool external, struct rte_flow_error *error);
4135 flow_list_destroy(struct rte_eth_dev *dev, enum mlx5_flow_type type,
4139 flow_dv_mreg_match_cb(void *tool_ctx __rte_unused,
4140 struct mlx5_list_entry *entry, void *cb_ctx)
4142 struct mlx5_flow_cb_ctx *ctx = cb_ctx;
4143 struct mlx5_flow_mreg_copy_resource *mcp_res =
4144 container_of(entry, typeof(*mcp_res), hlist_ent);
4146 return mcp_res->mark_id != *(uint32_t *)(ctx->data);
4149 struct mlx5_list_entry *
4150 flow_dv_mreg_create_cb(void *tool_ctx, void *cb_ctx)
4152 struct rte_eth_dev *dev = tool_ctx;
4153 struct mlx5_priv *priv = dev->data->dev_private;
4154 struct mlx5_flow_cb_ctx *ctx = cb_ctx;
4155 struct mlx5_flow_mreg_copy_resource *mcp_res;
4156 struct rte_flow_error *error = ctx->error;
4159 uint32_t mark_id = *(uint32_t *)(ctx->data);
4160 struct rte_flow_attr attr = {
4161 .group = MLX5_FLOW_MREG_CP_TABLE_GROUP,
4164 struct mlx5_rte_flow_item_tag tag_spec = {
4167 struct rte_flow_item items[] = {
4168 [1] = { .type = RTE_FLOW_ITEM_TYPE_END, },
4170 struct rte_flow_action_mark ftag = {
4173 struct mlx5_flow_action_copy_mreg cp_mreg = {
4177 struct rte_flow_action_jump jump = {
4178 .group = MLX5_FLOW_MREG_ACT_TABLE_GROUP,
4180 struct rte_flow_action actions[] = {
4181 [3] = { .type = RTE_FLOW_ACTION_TYPE_END, },
4184 /* Fill the register fileds in the flow. */
4185 ret = mlx5_flow_get_reg_id(dev, MLX5_FLOW_MARK, 0, error);
4189 ret = mlx5_flow_get_reg_id(dev, MLX5_METADATA_RX, 0, error);
4193 /* Provide the full width of FLAG specific value. */
4194 if (mark_id == (priv->sh->dv_regc0_mask & MLX5_FLOW_MARK_DEFAULT))
4195 tag_spec.data = MLX5_FLOW_MARK_DEFAULT;
4196 /* Build a new flow. */
4197 if (mark_id != MLX5_DEFAULT_COPY_ID) {
4198 items[0] = (struct rte_flow_item){
4199 .type = (enum rte_flow_item_type)
4200 MLX5_RTE_FLOW_ITEM_TYPE_TAG,
4203 items[1] = (struct rte_flow_item){
4204 .type = RTE_FLOW_ITEM_TYPE_END,
4206 actions[0] = (struct rte_flow_action){
4207 .type = (enum rte_flow_action_type)
4208 MLX5_RTE_FLOW_ACTION_TYPE_MARK,
4211 actions[1] = (struct rte_flow_action){
4212 .type = (enum rte_flow_action_type)
4213 MLX5_RTE_FLOW_ACTION_TYPE_COPY_MREG,
4216 actions[2] = (struct rte_flow_action){
4217 .type = RTE_FLOW_ACTION_TYPE_JUMP,
4220 actions[3] = (struct rte_flow_action){
4221 .type = RTE_FLOW_ACTION_TYPE_END,
4224 /* Default rule, wildcard match. */
4225 attr.priority = MLX5_FLOW_LOWEST_PRIO_INDICATOR;
4226 items[0] = (struct rte_flow_item){
4227 .type = RTE_FLOW_ITEM_TYPE_END,
4229 actions[0] = (struct rte_flow_action){
4230 .type = (enum rte_flow_action_type)
4231 MLX5_RTE_FLOW_ACTION_TYPE_COPY_MREG,
4234 actions[1] = (struct rte_flow_action){
4235 .type = RTE_FLOW_ACTION_TYPE_JUMP,
4238 actions[2] = (struct rte_flow_action){
4239 .type = RTE_FLOW_ACTION_TYPE_END,
4242 /* Build a new entry. */
4243 mcp_res = mlx5_ipool_zmalloc(priv->sh->ipool[MLX5_IPOOL_MCP], &idx);
4249 mcp_res->mark_id = mark_id;
4251 * The copy Flows are not included in any list. There
4252 * ones are referenced from other Flows and can not
4253 * be applied, removed, deleted in ardbitrary order
4254 * by list traversing.
4256 mcp_res->rix_flow = flow_list_create(dev, MLX5_FLOW_TYPE_MCP,
4257 &attr, items, actions, false, error);
4258 if (!mcp_res->rix_flow) {
4259 mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_MCP], idx);
4262 return &mcp_res->hlist_ent;
4265 struct mlx5_list_entry *
4266 flow_dv_mreg_clone_cb(void *tool_ctx, struct mlx5_list_entry *oentry,
4267 void *cb_ctx __rte_unused)
4269 struct rte_eth_dev *dev = tool_ctx;
4270 struct mlx5_priv *priv = dev->data->dev_private;
4271 struct mlx5_flow_mreg_copy_resource *mcp_res;
4274 mcp_res = mlx5_ipool_malloc(priv->sh->ipool[MLX5_IPOOL_MCP], &idx);
4279 memcpy(mcp_res, oentry, sizeof(*mcp_res));
4281 return &mcp_res->hlist_ent;
4285 flow_dv_mreg_clone_free_cb(void *tool_ctx, struct mlx5_list_entry *entry)
4287 struct mlx5_flow_mreg_copy_resource *mcp_res =
4288 container_of(entry, typeof(*mcp_res), hlist_ent);
4289 struct rte_eth_dev *dev = tool_ctx;
4290 struct mlx5_priv *priv = dev->data->dev_private;
4292 mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_MCP], mcp_res->idx);
4296 * Add a flow of copying flow metadata registers in RX_CP_TBL.
4298 * As mark_id is unique, if there's already a registered flow for the mark_id,
4299 * return by increasing the reference counter of the resource. Otherwise, create
4300 * the resource (mcp_res) and flow.
4303 * - If ingress port is ANY and reg_c[1] is mark_id,
4304 * flow_tag := mark_id, reg_b := reg_c[0] and jump to RX_ACT_TBL.
4306 * For default flow (zero mark_id), flow is like,
4307 * - If ingress port is ANY,
4308 * reg_b := reg_c[0] and jump to RX_ACT_TBL.
4311 * Pointer to Ethernet device.
4313 * ID of MARK action, zero means default flow for META.
4315 * Perform verbose error reporting if not NULL.
4318 * Associated resource on success, NULL otherwise and rte_errno is set.
4320 static struct mlx5_flow_mreg_copy_resource *
4321 flow_mreg_add_copy_action(struct rte_eth_dev *dev, uint32_t mark_id,
4322 struct rte_flow_error *error)
4324 struct mlx5_priv *priv = dev->data->dev_private;
4325 struct mlx5_list_entry *entry;
4326 struct mlx5_flow_cb_ctx ctx = {
4332 /* Check if already registered. */
4333 MLX5_ASSERT(priv->mreg_cp_tbl);
4334 entry = mlx5_hlist_register(priv->mreg_cp_tbl, mark_id, &ctx);
4337 return container_of(entry, struct mlx5_flow_mreg_copy_resource,
4342 flow_dv_mreg_remove_cb(void *tool_ctx, struct mlx5_list_entry *entry)
4344 struct mlx5_flow_mreg_copy_resource *mcp_res =
4345 container_of(entry, typeof(*mcp_res), hlist_ent);
4346 struct rte_eth_dev *dev = tool_ctx;
4347 struct mlx5_priv *priv = dev->data->dev_private;
4349 MLX5_ASSERT(mcp_res->rix_flow);
4350 flow_list_destroy(dev, MLX5_FLOW_TYPE_MCP, mcp_res->rix_flow);
4351 mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_MCP], mcp_res->idx);
4355 * Release flow in RX_CP_TBL.
4358 * Pointer to Ethernet device.
4360 * Parent flow for wich copying is provided.
4363 flow_mreg_del_copy_action(struct rte_eth_dev *dev,
4364 struct rte_flow *flow)
4366 struct mlx5_flow_mreg_copy_resource *mcp_res;
4367 struct mlx5_priv *priv = dev->data->dev_private;
4369 if (!flow->rix_mreg_copy)
4371 mcp_res = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_MCP],
4372 flow->rix_mreg_copy);
4373 if (!mcp_res || !priv->mreg_cp_tbl)
4375 MLX5_ASSERT(mcp_res->rix_flow);
4376 mlx5_hlist_unregister(priv->mreg_cp_tbl, &mcp_res->hlist_ent);
4377 flow->rix_mreg_copy = 0;
4381 * Remove the default copy action from RX_CP_TBL.
4383 * This functions is called in the mlx5_dev_start(). No thread safe
4387 * Pointer to Ethernet device.
4390 flow_mreg_del_default_copy_action(struct rte_eth_dev *dev)
4392 struct mlx5_list_entry *entry;
4393 struct mlx5_priv *priv = dev->data->dev_private;
4394 struct mlx5_flow_cb_ctx ctx;
4397 /* Check if default flow is registered. */
4398 if (!priv->mreg_cp_tbl)
4400 mark_id = MLX5_DEFAULT_COPY_ID;
4401 ctx.data = &mark_id;
4402 entry = mlx5_hlist_lookup(priv->mreg_cp_tbl, mark_id, &ctx);
4405 mlx5_hlist_unregister(priv->mreg_cp_tbl, entry);
4409 * Add the default copy action in in RX_CP_TBL.
4411 * This functions is called in the mlx5_dev_start(). No thread safe
4415 * Pointer to Ethernet device.
4417 * Perform verbose error reporting if not NULL.
4420 * 0 for success, negative value otherwise and rte_errno is set.
4423 flow_mreg_add_default_copy_action(struct rte_eth_dev *dev,
4424 struct rte_flow_error *error)
4426 struct mlx5_priv *priv = dev->data->dev_private;
4427 struct mlx5_flow_mreg_copy_resource *mcp_res;
4428 struct mlx5_flow_cb_ctx ctx;
4431 /* Check whether extensive metadata feature is engaged. */
4432 if (!priv->config.dv_flow_en ||
4433 priv->config.dv_xmeta_en == MLX5_XMETA_MODE_LEGACY ||
4434 !mlx5_flow_ext_mreg_supported(dev) ||
4435 !priv->sh->dv_regc0_mask)
4438 * Add default mreg copy flow may be called multiple time, but
4439 * only be called once in stop. Avoid register it twice.
4441 mark_id = MLX5_DEFAULT_COPY_ID;
4442 ctx.data = &mark_id;
4443 if (mlx5_hlist_lookup(priv->mreg_cp_tbl, mark_id, &ctx))
4445 mcp_res = flow_mreg_add_copy_action(dev, mark_id, error);
4452 * Add a flow of copying flow metadata registers in RX_CP_TBL.
4454 * All the flow having Q/RSS action should be split by
4455 * flow_mreg_split_qrss_prep() to pass by RX_CP_TBL. A flow in the RX_CP_TBL
4456 * performs the following,
4457 * - CQE->flow_tag := reg_c[1] (MARK)
4458 * - CQE->flow_table_metadata (reg_b) := reg_c[0] (META)
4459 * As CQE's flow_tag is not a register, it can't be simply copied from reg_c[1]
4460 * but there should be a flow per each MARK ID set by MARK action.
4462 * For the aforementioned reason, if there's a MARK action in flow's action
4463 * list, a corresponding flow should be added to the RX_CP_TBL in order to copy
4464 * the MARK ID to CQE's flow_tag like,
4465 * - If reg_c[1] is mark_id,
4466 * flow_tag := mark_id, reg_b := reg_c[0] and jump to RX_ACT_TBL.
4468 * For SET_META action which stores value in reg_c[0], as the destination is
4469 * also a flow metadata register (reg_b), adding a default flow is enough. Zero
4470 * MARK ID means the default flow. The default flow looks like,
4471 * - For all flow, reg_b := reg_c[0] and jump to RX_ACT_TBL.
4474 * Pointer to Ethernet device.
4476 * Pointer to flow structure.
4477 * @param[in] actions
4478 * Pointer to the list of actions.
4480 * Perform verbose error reporting if not NULL.
4483 * 0 on success, negative value otherwise and rte_errno is set.
4486 flow_mreg_update_copy_table(struct rte_eth_dev *dev,
4487 struct rte_flow *flow,
4488 const struct rte_flow_action *actions,
4489 struct rte_flow_error *error)
4491 struct mlx5_priv *priv = dev->data->dev_private;
4492 struct mlx5_dev_config *config = &priv->config;
4493 struct mlx5_flow_mreg_copy_resource *mcp_res;
4494 const struct rte_flow_action_mark *mark;
4496 /* Check whether extensive metadata feature is engaged. */
4497 if (!config->dv_flow_en ||
4498 config->dv_xmeta_en == MLX5_XMETA_MODE_LEGACY ||
4499 !mlx5_flow_ext_mreg_supported(dev) ||
4500 !priv->sh->dv_regc0_mask)
4502 /* Find MARK action. */
4503 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
4504 switch (actions->type) {
4505 case RTE_FLOW_ACTION_TYPE_FLAG:
4506 mcp_res = flow_mreg_add_copy_action
4507 (dev, MLX5_FLOW_MARK_DEFAULT, error);
4510 flow->rix_mreg_copy = mcp_res->idx;
4512 case RTE_FLOW_ACTION_TYPE_MARK:
4513 mark = (const struct rte_flow_action_mark *)
4516 flow_mreg_add_copy_action(dev, mark->id, error);
4519 flow->rix_mreg_copy = mcp_res->idx;
4528 #define MLX5_MAX_SPLIT_ACTIONS 24
4529 #define MLX5_MAX_SPLIT_ITEMS 24
4532 * Split the hairpin flow.
4533 * Since HW can't support encap and push-vlan on Rx, we move these
4535 * If the count action is after the encap then we also
4536 * move the count action. in this case the count will also measure
4540 * Pointer to Ethernet device.
4541 * @param[in] actions
4542 * Associated actions (list terminated by the END action).
4543 * @param[out] actions_rx
4545 * @param[out] actions_tx
4547 * @param[out] pattern_tx
4548 * The pattern items for the Tx flow.
4549 * @param[out] flow_id
4550 * The flow ID connected to this flow.
4556 flow_hairpin_split(struct rte_eth_dev *dev,
4557 const struct rte_flow_action actions[],
4558 struct rte_flow_action actions_rx[],
4559 struct rte_flow_action actions_tx[],
4560 struct rte_flow_item pattern_tx[],
4563 const struct rte_flow_action_raw_encap *raw_encap;
4564 const struct rte_flow_action_raw_decap *raw_decap;
4565 struct mlx5_rte_flow_action_set_tag *set_tag;
4566 struct rte_flow_action *tag_action;
4567 struct mlx5_rte_flow_item_tag *tag_item;
4568 struct rte_flow_item *item;
4572 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
4573 switch (actions->type) {
4574 case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
4575 case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP:
4576 case RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN:
4577 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID:
4578 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_PCP:
4579 rte_memcpy(actions_tx, actions,
4580 sizeof(struct rte_flow_action));
4583 case RTE_FLOW_ACTION_TYPE_COUNT:
4585 rte_memcpy(actions_tx, actions,
4586 sizeof(struct rte_flow_action));
4589 rte_memcpy(actions_rx, actions,
4590 sizeof(struct rte_flow_action));
4594 case RTE_FLOW_ACTION_TYPE_RAW_ENCAP:
4595 raw_encap = actions->conf;
4596 if (raw_encap->size > MLX5_ENCAPSULATION_DECISION_SIZE) {
4597 memcpy(actions_tx, actions,
4598 sizeof(struct rte_flow_action));
4602 rte_memcpy(actions_rx, actions,
4603 sizeof(struct rte_flow_action));
4607 case RTE_FLOW_ACTION_TYPE_RAW_DECAP:
4608 raw_decap = actions->conf;
4609 if (raw_decap->size < MLX5_ENCAPSULATION_DECISION_SIZE) {
4610 memcpy(actions_tx, actions,
4611 sizeof(struct rte_flow_action));
4614 rte_memcpy(actions_rx, actions,
4615 sizeof(struct rte_flow_action));
4620 rte_memcpy(actions_rx, actions,
4621 sizeof(struct rte_flow_action));
4626 /* Add set meta action and end action for the Rx flow. */
4627 tag_action = actions_rx;
4628 tag_action->type = (enum rte_flow_action_type)
4629 MLX5_RTE_FLOW_ACTION_TYPE_TAG;
4631 rte_memcpy(actions_rx, actions, sizeof(struct rte_flow_action));
4633 set_tag = (void *)actions_rx;
4634 *set_tag = (struct mlx5_rte_flow_action_set_tag) {
4635 .id = mlx5_flow_get_reg_id(dev, MLX5_HAIRPIN_RX, 0, NULL),
4638 MLX5_ASSERT(set_tag->id > REG_NON);
4639 tag_action->conf = set_tag;
4640 /* Create Tx item list. */
4641 rte_memcpy(actions_tx, actions, sizeof(struct rte_flow_action));
4642 addr = (void *)&pattern_tx[2];
4644 item->type = (enum rte_flow_item_type)
4645 MLX5_RTE_FLOW_ITEM_TYPE_TAG;
4646 tag_item = (void *)addr;
4647 tag_item->data = flow_id;
4648 tag_item->id = mlx5_flow_get_reg_id(dev, MLX5_HAIRPIN_TX, 0, NULL);
4649 MLX5_ASSERT(set_tag->id > REG_NON);
4650 item->spec = tag_item;
4651 addr += sizeof(struct mlx5_rte_flow_item_tag);
4652 tag_item = (void *)addr;
4653 tag_item->data = UINT32_MAX;
4654 tag_item->id = UINT16_MAX;
4655 item->mask = tag_item;
4658 item->type = RTE_FLOW_ITEM_TYPE_END;
4663 * The last stage of splitting chain, just creates the subflow
4664 * without any modification.
4667 * Pointer to Ethernet device.
4669 * Parent flow structure pointer.
4670 * @param[in, out] sub_flow
4671 * Pointer to return the created subflow, may be NULL.
4673 * Flow rule attributes.
4675 * Pattern specification (list terminated by the END pattern item).
4676 * @param[in] actions
4677 * Associated actions (list terminated by the END action).
4678 * @param[in] flow_split_info
4679 * Pointer to flow split info structure.
4681 * Perform verbose error reporting if not NULL.
4683 * 0 on success, negative value otherwise
4686 flow_create_split_inner(struct rte_eth_dev *dev,
4687 struct rte_flow *flow,
4688 struct mlx5_flow **sub_flow,
4689 const struct rte_flow_attr *attr,
4690 const struct rte_flow_item items[],
4691 const struct rte_flow_action actions[],
4692 struct mlx5_flow_split_info *flow_split_info,
4693 struct rte_flow_error *error)
4695 struct mlx5_flow *dev_flow;
4697 dev_flow = flow_drv_prepare(dev, flow, attr, items, actions,
4698 flow_split_info->flow_idx, error);
4701 dev_flow->flow = flow;
4702 dev_flow->external = flow_split_info->external;
4703 dev_flow->skip_scale = flow_split_info->skip_scale;
4704 /* Subflow object was created, we must include one in the list. */
4705 SILIST_INSERT(&flow->dev_handles, dev_flow->handle_idx,
4706 dev_flow->handle, next);
4708 * If dev_flow is as one of the suffix flow, some actions in suffix
4709 * flow may need some user defined item layer flags, and pass the
4710 * Metadate rxq mark flag to suffix flow as well.
4712 if (flow_split_info->prefix_layers)
4713 dev_flow->handle->layers = flow_split_info->prefix_layers;
4714 if (flow_split_info->prefix_mark)
4715 dev_flow->handle->mark = 1;
4717 *sub_flow = dev_flow;
4718 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
4719 dev_flow->dv.table_id = flow_split_info->table_id;
4721 return flow_drv_translate(dev, dev_flow, attr, items, actions, error);
4725 * Get the sub policy of a meter.
4728 * Pointer to Ethernet device.
4730 * Parent flow structure pointer.
4732 * Pointer to thread flow work space.
4734 * Flow rule attributes.
4736 * Pattern specification (list terminated by the END pattern item).
4738 * Perform verbose error reporting if not NULL.
4741 * Pointer to the meter sub policy, NULL otherwise and rte_errno is set.
4743 static struct mlx5_flow_meter_sub_policy *
4744 get_meter_sub_policy(struct rte_eth_dev *dev,
4745 struct rte_flow *flow,
4746 struct mlx5_flow_workspace *wks,
4747 const struct rte_flow_attr *attr,
4748 const struct rte_flow_item items[],
4749 struct rte_flow_error *error)
4751 struct mlx5_flow_meter_policy *policy;
4752 struct mlx5_flow_meter_policy *final_policy;
4753 struct mlx5_flow_meter_sub_policy *sub_policy = NULL;
4755 policy = wks->policy;
4756 final_policy = policy->is_hierarchy ? wks->final_policy : policy;
4757 if (final_policy->is_rss || final_policy->is_queue) {
4758 struct mlx5_flow_rss_desc rss_desc_v[MLX5_MTR_RTE_COLORS];
4759 struct mlx5_flow_rss_desc *rss_desc[MLX5_MTR_RTE_COLORS] = {0};
4763 * This is a tmp dev_flow,
4764 * no need to register any matcher for it in translate.
4766 wks->skip_matcher_reg = 1;
4767 for (i = 0; i < MLX5_MTR_RTE_COLORS; i++) {
4768 struct mlx5_flow dev_flow = {0};
4769 struct mlx5_flow_handle dev_handle = { {0} };
4770 uint8_t fate = final_policy->act_cnt[i].fate_action;
4772 if (fate == MLX5_FLOW_FATE_SHARED_RSS) {
4773 const struct rte_flow_action_rss *rss_act =
4774 final_policy->act_cnt[i].rss->conf;
4775 struct rte_flow_action rss_actions[2] = {
4777 .type = RTE_FLOW_ACTION_TYPE_RSS,
4781 .type = RTE_FLOW_ACTION_TYPE_END,
4786 dev_flow.handle = &dev_handle;
4787 dev_flow.ingress = attr->ingress;
4788 dev_flow.flow = flow;
4789 dev_flow.external = 0;
4790 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
4791 dev_flow.dv.transfer = attr->transfer;
4794 * Translate RSS action to get rss hash fields.
4796 if (flow_drv_translate(dev, &dev_flow, attr,
4797 items, rss_actions, error))
4799 rss_desc_v[i] = wks->rss_desc;
4800 rss_desc_v[i].key_len = MLX5_RSS_HASH_KEY_LEN;
4801 rss_desc_v[i].hash_fields =
4802 dev_flow.hash_fields;
4803 rss_desc_v[i].queue_num =
4804 rss_desc_v[i].hash_fields ?
4805 rss_desc_v[i].queue_num : 1;
4806 rss_desc_v[i].tunnel =
4807 !!(dev_flow.handle->layers &
4808 MLX5_FLOW_LAYER_TUNNEL);
4809 /* Use the RSS queues in the containers. */
4810 rss_desc_v[i].queue =
4811 (uint16_t *)(uintptr_t)rss_act->queue;
4812 rss_desc[i] = &rss_desc_v[i];
4813 } else if (fate == MLX5_FLOW_FATE_QUEUE) {
4814 /* This is queue action. */
4815 rss_desc_v[i] = wks->rss_desc;
4816 rss_desc_v[i].key_len = 0;
4817 rss_desc_v[i].hash_fields = 0;
4818 rss_desc_v[i].queue =
4819 &final_policy->act_cnt[i].queue;
4820 rss_desc_v[i].queue_num = 1;
4821 rss_desc[i] = &rss_desc_v[i];
4826 sub_policy = flow_drv_meter_sub_policy_rss_prepare(dev,
4827 flow, policy, rss_desc);
4829 enum mlx5_meter_domain mtr_domain =
4830 attr->transfer ? MLX5_MTR_DOMAIN_TRANSFER :
4831 (attr->egress ? MLX5_MTR_DOMAIN_EGRESS :
4832 MLX5_MTR_DOMAIN_INGRESS);
4833 sub_policy = policy->sub_policys[mtr_domain][0];
4836 rte_flow_error_set(error, EINVAL,
4837 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
4838 "Failed to get meter sub-policy.");
4844 * Split the meter flow.
4846 * As meter flow will split to three sub flow, other than meter
4847 * action, the other actions make sense to only meter accepts
4848 * the packet. If it need to be dropped, no other additional
4849 * actions should be take.
4851 * One kind of special action which decapsulates the L3 tunnel
4852 * header will be in the prefix sub flow, as not to take the
4853 * L3 tunnel header into account.
4856 * Pointer to Ethernet device.
4858 * Parent flow structure pointer.
4860 * Pointer to thread flow work space.
4862 * Flow rule attributes.
4864 * Pattern specification (list terminated by the END pattern item).
4865 * @param[out] sfx_items
4866 * Suffix flow match items (list terminated by the END pattern item).
4867 * @param[in] actions
4868 * Associated actions (list terminated by the END action).
4869 * @param[out] actions_sfx
4870 * Suffix flow actions.
4871 * @param[out] actions_pre
4872 * Prefix flow actions.
4873 * @param[out] mtr_flow_id
4874 * Pointer to meter flow id.
4876 * Perform verbose error reporting if not NULL.
4879 * 0 on success, a negative errno value otherwise and rte_errno is set.
4882 flow_meter_split_prep(struct rte_eth_dev *dev,
4883 struct rte_flow *flow,
4884 struct mlx5_flow_workspace *wks,
4885 const struct rte_flow_attr *attr,
4886 const struct rte_flow_item items[],
4887 struct rte_flow_item sfx_items[],
4888 const struct rte_flow_action actions[],
4889 struct rte_flow_action actions_sfx[],
4890 struct rte_flow_action actions_pre[],
4891 uint32_t *mtr_flow_id,
4892 struct rte_flow_error *error)
4894 struct mlx5_priv *priv = dev->data->dev_private;
4895 struct mlx5_flow_meter_info *fm = wks->fm;
4896 struct rte_flow_action *tag_action = NULL;
4897 struct rte_flow_item *tag_item;
4898 struct mlx5_rte_flow_action_set_tag *set_tag;
4899 const struct rte_flow_action_raw_encap *raw_encap;
4900 const struct rte_flow_action_raw_decap *raw_decap;
4901 struct mlx5_rte_flow_item_tag *tag_item_spec;
4902 struct mlx5_rte_flow_item_tag *tag_item_mask;
4903 uint32_t tag_id = 0;
4904 struct rte_flow_item *vlan_item_dst = NULL;
4905 const struct rte_flow_item *vlan_item_src = NULL;
4906 struct rte_flow_action *hw_mtr_action;
4907 struct rte_flow_action *action_pre_head = NULL;
4908 int32_t flow_src_port = priv->representor_id;
4910 uint8_t mtr_id_offset = priv->mtr_reg_share ? MLX5_MTR_COLOR_BITS : 0;
4911 uint8_t mtr_reg_bits = priv->mtr_reg_share ?
4912 MLX5_MTR_IDLE_BITS_IN_COLOR_REG : MLX5_REG_BITS;
4913 uint32_t flow_id = 0;
4914 uint32_t flow_id_reversed = 0;
4915 uint8_t flow_id_bits = 0;
4918 /* Prepare the suffix subflow items. */
4919 tag_item = sfx_items++;
4920 for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
4921 struct mlx5_priv *port_priv;
4922 const struct rte_flow_item_port_id *pid_v;
4923 int item_type = items->type;
4925 switch (item_type) {
4926 case RTE_FLOW_ITEM_TYPE_PORT_ID:
4927 pid_v = items->spec;
4929 port_priv = mlx5_port_to_eswitch_info(pid_v->id, false);
4931 return rte_flow_error_set(error,
4933 RTE_FLOW_ERROR_TYPE_ITEM_SPEC,
4935 "Failed to get port info.");
4936 flow_src_port = port_priv->representor_id;
4937 if (!fm->def_policy && wks->policy->is_hierarchy &&
4938 flow_src_port != priv->representor_id) {
4939 if (flow_drv_mtr_hierarchy_rule_create(dev,
4946 memcpy(sfx_items, items, sizeof(*sfx_items));
4949 case RTE_FLOW_ITEM_TYPE_VLAN:
4950 /* Determine if copy vlan item below. */
4951 vlan_item_src = items;
4952 vlan_item_dst = sfx_items++;
4953 vlan_item_dst->type = RTE_FLOW_ITEM_TYPE_VOID;
4959 sfx_items->type = RTE_FLOW_ITEM_TYPE_END;
4961 mtr_first = priv->sh->meter_aso_en &&
4962 (attr->egress || (attr->transfer && flow_src_port != UINT16_MAX));
4963 /* For ASO meter, meter must be before tag in TX direction. */
4965 action_pre_head = actions_pre++;
4966 /* Leave space for tag action. */
4967 tag_action = actions_pre++;
4969 /* Prepare the actions for prefix and suffix flow. */
4970 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
4971 struct rte_flow_action *action_cur = NULL;
4973 switch (actions->type) {
4974 case RTE_FLOW_ACTION_TYPE_METER:
4976 action_cur = action_pre_head;
4978 /* Leave space for tag action. */
4979 tag_action = actions_pre++;
4980 action_cur = actions_pre++;
4983 case RTE_FLOW_ACTION_TYPE_VXLAN_DECAP:
4984 case RTE_FLOW_ACTION_TYPE_NVGRE_DECAP:
4985 action_cur = actions_pre++;
4987 case RTE_FLOW_ACTION_TYPE_RAW_ENCAP:
4988 raw_encap = actions->conf;
4989 if (raw_encap->size < MLX5_ENCAPSULATION_DECISION_SIZE)
4990 action_cur = actions_pre++;
4992 case RTE_FLOW_ACTION_TYPE_RAW_DECAP:
4993 raw_decap = actions->conf;
4994 if (raw_decap->size > MLX5_ENCAPSULATION_DECISION_SIZE)
4995 action_cur = actions_pre++;
4997 case RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN:
4998 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID:
4999 if (vlan_item_dst && vlan_item_src) {
5000 memcpy(vlan_item_dst, vlan_item_src,
5001 sizeof(*vlan_item_dst));
5003 * Convert to internal match item, it is used
5004 * for vlan push and set vid.
5006 vlan_item_dst->type = (enum rte_flow_item_type)
5007 MLX5_RTE_FLOW_ITEM_TYPE_VLAN;
5014 action_cur = (fm->def_policy) ?
5015 actions_sfx++ : actions_pre++;
5016 memcpy(action_cur, actions, sizeof(struct rte_flow_action));
5018 /* Add end action to the actions. */
5019 actions_sfx->type = RTE_FLOW_ACTION_TYPE_END;
5020 if (priv->sh->meter_aso_en) {
5022 * For ASO meter, need to add an extra jump action explicitly,
5023 * to jump from meter to policer table.
5025 struct mlx5_flow_meter_sub_policy *sub_policy;
5026 struct mlx5_flow_tbl_data_entry *tbl_data;
5028 if (!fm->def_policy) {
5029 sub_policy = get_meter_sub_policy(dev, flow, wks,
5030 attr, items, error);
5034 enum mlx5_meter_domain mtr_domain =
5035 attr->transfer ? MLX5_MTR_DOMAIN_TRANSFER :
5036 (attr->egress ? MLX5_MTR_DOMAIN_EGRESS :
5037 MLX5_MTR_DOMAIN_INGRESS);
5040 &priv->sh->mtrmng->def_policy[mtr_domain]->sub_policy;
5042 tbl_data = container_of(sub_policy->tbl_rsc,
5043 struct mlx5_flow_tbl_data_entry, tbl);
5044 hw_mtr_action = actions_pre++;
5045 hw_mtr_action->type = (enum rte_flow_action_type)
5046 MLX5_RTE_FLOW_ACTION_TYPE_JUMP;
5047 hw_mtr_action->conf = tbl_data->jump.action;
5049 actions_pre->type = RTE_FLOW_ACTION_TYPE_END;
5052 return rte_flow_error_set(error, ENOMEM,
5053 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
5054 NULL, "No tag action space.");
5056 tag_action->type = RTE_FLOW_ACTION_TYPE_VOID;
5059 /* Only default-policy Meter creates mtr flow id. */
5060 if (fm->def_policy) {
5061 mlx5_ipool_malloc(fm->flow_ipool, &tag_id);
5063 return rte_flow_error_set(error, ENOMEM,
5064 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
5065 "Failed to allocate meter flow id.");
5066 flow_id = tag_id - 1;
5067 flow_id_bits = (!flow_id) ? 1 :
5068 (MLX5_REG_BITS - __builtin_clz(flow_id));
5069 if ((flow_id_bits + priv->sh->mtrmng->max_mtr_bits) >
5071 mlx5_ipool_free(fm->flow_ipool, tag_id);
5072 return rte_flow_error_set(error, EINVAL,
5073 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
5074 "Meter flow id exceeds max limit.");
5076 if (flow_id_bits > priv->sh->mtrmng->max_mtr_flow_bits)
5077 priv->sh->mtrmng->max_mtr_flow_bits = flow_id_bits;
5079 /* Build tag actions and items for meter_id/meter flow_id. */
5080 set_tag = (struct mlx5_rte_flow_action_set_tag *)actions_pre;
5081 tag_item_spec = (struct mlx5_rte_flow_item_tag *)sfx_items;
5082 tag_item_mask = tag_item_spec + 1;
5083 /* Both flow_id and meter_id share the same register. */
5084 *set_tag = (struct mlx5_rte_flow_action_set_tag) {
5085 .id = (enum modify_reg)mlx5_flow_get_reg_id(dev, MLX5_MTR_ID,
5087 .offset = mtr_id_offset,
5088 .length = mtr_reg_bits,
5089 .data = flow->meter,
5092 * The color Reg bits used by flow_id are growing from
5093 * msb to lsb, so must do bit reverse for flow_id val in RegC.
5095 for (shift = 0; shift < flow_id_bits; shift++)
5096 flow_id_reversed = (flow_id_reversed << 1) |
5097 ((flow_id >> shift) & 0x1);
5099 flow_id_reversed << (mtr_reg_bits - flow_id_bits);
5100 tag_item_spec->id = set_tag->id;
5101 tag_item_spec->data = set_tag->data << mtr_id_offset;
5102 tag_item_mask->data = UINT32_MAX << mtr_id_offset;
5103 tag_action->type = (enum rte_flow_action_type)
5104 MLX5_RTE_FLOW_ACTION_TYPE_TAG;
5105 tag_action->conf = set_tag;
5106 tag_item->type = (enum rte_flow_item_type)
5107 MLX5_RTE_FLOW_ITEM_TYPE_TAG;
5108 tag_item->spec = tag_item_spec;
5109 tag_item->last = NULL;
5110 tag_item->mask = tag_item_mask;
5113 *mtr_flow_id = tag_id;
5118 * Split action list having QUEUE/RSS for metadata register copy.
5120 * Once Q/RSS action is detected in user's action list, the flow action
5121 * should be split in order to copy metadata registers, which will happen in
5123 * - CQE->flow_tag := reg_c[1] (MARK)
5124 * - CQE->flow_table_metadata (reg_b) := reg_c[0] (META)
5125 * The Q/RSS action will be performed on RX_ACT_TBL after passing by RX_CP_TBL.
5126 * This is because the last action of each flow must be a terminal action
5127 * (QUEUE, RSS or DROP).
5129 * Flow ID must be allocated to identify actions in the RX_ACT_TBL and it is
5130 * stored and kept in the mlx5_flow structure per each sub_flow.
5132 * The Q/RSS action is replaced with,
5133 * - SET_TAG, setting the allocated flow ID to reg_c[2].
5134 * And the following JUMP action is added at the end,
5135 * - JUMP, to RX_CP_TBL.
5137 * A flow to perform remained Q/RSS action will be created in RX_ACT_TBL by
5138 * flow_create_split_metadata() routine. The flow will look like,
5139 * - If flow ID matches (reg_c[2]), perform Q/RSS.
5142 * Pointer to Ethernet device.
5143 * @param[out] split_actions
5144 * Pointer to store split actions to jump to CP_TBL.
5145 * @param[in] actions
5146 * Pointer to the list of original flow actions.
5148 * Pointer to the Q/RSS action.
5149 * @param[in] actions_n
5150 * Number of original actions.
5152 * Perform verbose error reporting if not NULL.
5155 * non-zero unique flow_id on success, otherwise 0 and
5156 * error/rte_error are set.
5159 flow_mreg_split_qrss_prep(struct rte_eth_dev *dev,
5160 struct rte_flow_action *split_actions,
5161 const struct rte_flow_action *actions,
5162 const struct rte_flow_action *qrss,
5163 int actions_n, struct rte_flow_error *error)
5165 struct mlx5_priv *priv = dev->data->dev_private;
5166 struct mlx5_rte_flow_action_set_tag *set_tag;
5167 struct rte_flow_action_jump *jump;
5168 const int qrss_idx = qrss - actions;
5169 uint32_t flow_id = 0;
5173 * Given actions will be split
5174 * - Replace QUEUE/RSS action with SET_TAG to set flow ID.
5175 * - Add jump to mreg CP_TBL.
5176 * As a result, there will be one more action.
5179 memcpy(split_actions, actions, sizeof(*split_actions) * actions_n);
5180 set_tag = (void *)(split_actions + actions_n);
5182 * If tag action is not set to void(it means we are not the meter
5183 * suffix flow), add the tag action. Since meter suffix flow already
5184 * has the tag added.
5186 if (split_actions[qrss_idx].type != RTE_FLOW_ACTION_TYPE_VOID) {
5188 * Allocate the new subflow ID. This one is unique within
5189 * device and not shared with representors. Otherwise,
5190 * we would have to resolve multi-thread access synch
5191 * issue. Each flow on the shared device is appended
5192 * with source vport identifier, so the resulting
5193 * flows will be unique in the shared (by master and
5194 * representors) domain even if they have coinciding
5197 mlx5_ipool_malloc(priv->sh->ipool
5198 [MLX5_IPOOL_RSS_EXPANTION_FLOW_ID], &flow_id);
5200 return rte_flow_error_set(error, ENOMEM,
5201 RTE_FLOW_ERROR_TYPE_ACTION,
5202 NULL, "can't allocate id "
5203 "for split Q/RSS subflow");
5204 /* Internal SET_TAG action to set flow ID. */
5205 *set_tag = (struct mlx5_rte_flow_action_set_tag){
5208 ret = mlx5_flow_get_reg_id(dev, MLX5_COPY_MARK, 0, error);
5212 /* Construct new actions array. */
5213 /* Replace QUEUE/RSS action. */
5214 split_actions[qrss_idx] = (struct rte_flow_action){
5215 .type = (enum rte_flow_action_type)
5216 MLX5_RTE_FLOW_ACTION_TYPE_TAG,
5220 /* JUMP action to jump to mreg copy table (CP_TBL). */
5221 jump = (void *)(set_tag + 1);
5222 *jump = (struct rte_flow_action_jump){
5223 .group = MLX5_FLOW_MREG_CP_TABLE_GROUP,
5225 split_actions[actions_n - 2] = (struct rte_flow_action){
5226 .type = RTE_FLOW_ACTION_TYPE_JUMP,
5229 split_actions[actions_n - 1] = (struct rte_flow_action){
5230 .type = RTE_FLOW_ACTION_TYPE_END,
5236 * Extend the given action list for Tx metadata copy.
5238 * Copy the given action list to the ext_actions and add flow metadata register
5239 * copy action in order to copy reg_a set by WQE to reg_c[0].
5241 * @param[out] ext_actions
5242 * Pointer to the extended action list.
5243 * @param[in] actions
5244 * Pointer to the list of actions.
5245 * @param[in] actions_n
5246 * Number of actions in the list.
5248 * Perform verbose error reporting if not NULL.
5249 * @param[in] encap_idx
5250 * The encap action inndex.
5253 * 0 on success, negative value otherwise
5256 flow_mreg_tx_copy_prep(struct rte_eth_dev *dev,
5257 struct rte_flow_action *ext_actions,
5258 const struct rte_flow_action *actions,
5259 int actions_n, struct rte_flow_error *error,
5262 struct mlx5_flow_action_copy_mreg *cp_mreg =
5263 (struct mlx5_flow_action_copy_mreg *)
5264 (ext_actions + actions_n + 1);
5267 ret = mlx5_flow_get_reg_id(dev, MLX5_METADATA_RX, 0, error);
5271 ret = mlx5_flow_get_reg_id(dev, MLX5_METADATA_TX, 0, error);
5276 memcpy(ext_actions, actions, sizeof(*ext_actions) * encap_idx);
5277 if (encap_idx == actions_n - 1) {
5278 ext_actions[actions_n - 1] = (struct rte_flow_action){
5279 .type = (enum rte_flow_action_type)
5280 MLX5_RTE_FLOW_ACTION_TYPE_COPY_MREG,
5283 ext_actions[actions_n] = (struct rte_flow_action){
5284 .type = RTE_FLOW_ACTION_TYPE_END,
5287 ext_actions[encap_idx] = (struct rte_flow_action){
5288 .type = (enum rte_flow_action_type)
5289 MLX5_RTE_FLOW_ACTION_TYPE_COPY_MREG,
5292 memcpy(ext_actions + encap_idx + 1, actions + encap_idx,
5293 sizeof(*ext_actions) * (actions_n - encap_idx));
5299 * Check the match action from the action list.
5301 * @param[in] actions
5302 * Pointer to the list of actions.
5304 * Flow rule attributes.
5306 * The action to be check if exist.
5307 * @param[out] match_action_pos
5308 * Pointer to the position of the matched action if exists, otherwise is -1.
5309 * @param[out] qrss_action_pos
5310 * Pointer to the position of the Queue/RSS action if exists, otherwise is -1.
5311 * @param[out] modify_after_mirror
5312 * Pointer to the flag of modify action after FDB mirroring.
5315 * > 0 the total number of actions.
5316 * 0 if not found match action in action list.
5319 flow_check_match_action(const struct rte_flow_action actions[],
5320 const struct rte_flow_attr *attr,
5321 enum rte_flow_action_type action,
5322 int *match_action_pos, int *qrss_action_pos,
5323 int *modify_after_mirror)
5325 const struct rte_flow_action_sample *sample;
5326 const struct rte_flow_action_raw_decap *decap;
5333 *match_action_pos = -1;
5334 *qrss_action_pos = -1;
5335 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
5336 if (actions->type == action) {
5338 *match_action_pos = actions_n;
5340 switch (actions->type) {
5341 case RTE_FLOW_ACTION_TYPE_QUEUE:
5342 case RTE_FLOW_ACTION_TYPE_RSS:
5343 *qrss_action_pos = actions_n;
5345 case RTE_FLOW_ACTION_TYPE_SAMPLE:
5346 sample = actions->conf;
5347 ratio = sample->ratio;
5348 sub_type = ((const struct rte_flow_action *)
5349 (sample->actions))->type;
5350 if (ratio == 1 && attr->transfer)
5353 case RTE_FLOW_ACTION_TYPE_SET_MAC_SRC:
5354 case RTE_FLOW_ACTION_TYPE_SET_MAC_DST:
5355 case RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC:
5356 case RTE_FLOW_ACTION_TYPE_SET_IPV4_DST:
5357 case RTE_FLOW_ACTION_TYPE_SET_IPV6_SRC:
5358 case RTE_FLOW_ACTION_TYPE_SET_IPV6_DST:
5359 case RTE_FLOW_ACTION_TYPE_SET_TP_SRC:
5360 case RTE_FLOW_ACTION_TYPE_SET_TP_DST:
5361 case RTE_FLOW_ACTION_TYPE_DEC_TTL:
5362 case RTE_FLOW_ACTION_TYPE_SET_TTL:
5363 case RTE_FLOW_ACTION_TYPE_INC_TCP_SEQ:
5364 case RTE_FLOW_ACTION_TYPE_DEC_TCP_SEQ:
5365 case RTE_FLOW_ACTION_TYPE_INC_TCP_ACK:
5366 case RTE_FLOW_ACTION_TYPE_DEC_TCP_ACK:
5367 case RTE_FLOW_ACTION_TYPE_SET_IPV4_DSCP:
5368 case RTE_FLOW_ACTION_TYPE_SET_IPV6_DSCP:
5369 case RTE_FLOW_ACTION_TYPE_FLAG:
5370 case RTE_FLOW_ACTION_TYPE_MARK:
5371 case RTE_FLOW_ACTION_TYPE_SET_META:
5372 case RTE_FLOW_ACTION_TYPE_SET_TAG:
5373 case RTE_FLOW_ACTION_TYPE_OF_POP_VLAN:
5374 case RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN:
5375 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID:
5376 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_PCP:
5377 case RTE_FLOW_ACTION_TYPE_VXLAN_DECAP:
5378 case RTE_FLOW_ACTION_TYPE_NVGRE_DECAP:
5379 case RTE_FLOW_ACTION_TYPE_MODIFY_FIELD:
5380 case RTE_FLOW_ACTION_TYPE_METER:
5382 *modify_after_mirror = 1;
5384 case RTE_FLOW_ACTION_TYPE_RAW_DECAP:
5385 decap = actions->conf;
5386 while ((++actions)->type == RTE_FLOW_ACTION_TYPE_VOID)
5389 if (actions->type == RTE_FLOW_ACTION_TYPE_RAW_ENCAP) {
5390 const struct rte_flow_action_raw_encap *encap =
5393 MLX5_ENCAPSULATION_DECISION_SIZE &&
5395 MLX5_ENCAPSULATION_DECISION_SIZE)
5400 *modify_after_mirror = 1;
5407 if (flag && fdb_mirror && !*modify_after_mirror) {
5408 /* FDB mirroring uses the destination array to implement
5409 * instead of FLOW_SAMPLER object.
5411 if (sub_type != RTE_FLOW_ACTION_TYPE_END)
5414 /* Count RTE_FLOW_ACTION_TYPE_END. */
5415 return flag ? actions_n + 1 : 0;
5418 #define SAMPLE_SUFFIX_ITEM 2
5421 * Split the sample flow.
5423 * As sample flow will split to two sub flow, sample flow with
5424 * sample action, the other actions will move to new suffix flow.
5426 * Also add unique tag id with tag action in the sample flow,
5427 * the same tag id will be as match in the suffix flow.
5430 * Pointer to Ethernet device.
5431 * @param[in] add_tag
5432 * Add extra tag action flag.
5433 * @param[out] sfx_items
5434 * Suffix flow match items (list terminated by the END pattern item).
5435 * @param[in] actions
5436 * Associated actions (list terminated by the END action).
5437 * @param[out] actions_sfx
5438 * Suffix flow actions.
5439 * @param[out] actions_pre
5440 * Prefix flow actions.
5441 * @param[in] actions_n
5442 * The total number of actions.
5443 * @param[in] sample_action_pos
5444 * The sample action position.
5445 * @param[in] qrss_action_pos
5446 * The Queue/RSS action position.
5447 * @param[in] jump_table
5448 * Add extra jump action flag.
5450 * Perform verbose error reporting if not NULL.
5453 * 0 on success, or unique flow_id, a negative errno value
5454 * otherwise and rte_errno is set.
5457 flow_sample_split_prep(struct rte_eth_dev *dev,
5459 struct rte_flow_item sfx_items[],
5460 const struct rte_flow_action actions[],
5461 struct rte_flow_action actions_sfx[],
5462 struct rte_flow_action actions_pre[],
5464 int sample_action_pos,
5465 int qrss_action_pos,
5467 struct rte_flow_error *error)
5469 struct mlx5_priv *priv = dev->data->dev_private;
5470 struct mlx5_rte_flow_action_set_tag *set_tag;
5471 struct mlx5_rte_flow_item_tag *tag_spec;
5472 struct mlx5_rte_flow_item_tag *tag_mask;
5473 struct rte_flow_action_jump *jump_action;
5474 uint32_t tag_id = 0;
5476 int append_index = 0;
5479 if (sample_action_pos < 0)
5480 return rte_flow_error_set(error, EINVAL,
5481 RTE_FLOW_ERROR_TYPE_ACTION,
5482 NULL, "invalid position of sample "
5484 /* Prepare the actions for prefix and suffix flow. */
5485 if (qrss_action_pos >= 0 && qrss_action_pos < sample_action_pos) {
5486 index = qrss_action_pos;
5487 /* Put the preceding the Queue/RSS action into prefix flow. */
5489 memcpy(actions_pre, actions,
5490 sizeof(struct rte_flow_action) * index);
5491 /* Put others preceding the sample action into prefix flow. */
5492 if (sample_action_pos > index + 1)
5493 memcpy(actions_pre + index, actions + index + 1,
5494 sizeof(struct rte_flow_action) *
5495 (sample_action_pos - index - 1));
5496 index = sample_action_pos - 1;
5497 /* Put Queue/RSS action into Suffix flow. */
5498 memcpy(actions_sfx, actions + qrss_action_pos,
5499 sizeof(struct rte_flow_action));
5502 index = sample_action_pos;
5504 memcpy(actions_pre, actions,
5505 sizeof(struct rte_flow_action) * index);
5507 /* For CX5, add an extra tag action for NIC-RX and E-Switch ingress.
5508 * For CX6DX and above, metadata registers Cx preserve their value,
5509 * add an extra tag action for NIC-RX and E-Switch Domain.
5512 /* Prepare the prefix tag action. */
5514 set_tag = (void *)(actions_pre + actions_n + append_index);
5515 ret = mlx5_flow_get_reg_id(dev, MLX5_APP_TAG, 0, error);
5518 mlx5_ipool_malloc(priv->sh->ipool
5519 [MLX5_IPOOL_RSS_EXPANTION_FLOW_ID], &tag_id);
5520 *set_tag = (struct mlx5_rte_flow_action_set_tag) {
5524 /* Prepare the suffix subflow items. */
5525 tag_spec = (void *)(sfx_items + SAMPLE_SUFFIX_ITEM);
5526 tag_spec->data = tag_id;
5527 tag_spec->id = set_tag->id;
5528 tag_mask = tag_spec + 1;
5529 tag_mask->data = UINT32_MAX;
5530 sfx_items[0] = (struct rte_flow_item){
5531 .type = (enum rte_flow_item_type)
5532 MLX5_RTE_FLOW_ITEM_TYPE_TAG,
5537 sfx_items[1] = (struct rte_flow_item){
5538 .type = (enum rte_flow_item_type)
5539 RTE_FLOW_ITEM_TYPE_END,
5541 /* Prepare the tag action in prefix subflow. */
5542 actions_pre[index++] =
5543 (struct rte_flow_action){
5544 .type = (enum rte_flow_action_type)
5545 MLX5_RTE_FLOW_ACTION_TYPE_TAG,
5549 memcpy(actions_pre + index, actions + sample_action_pos,
5550 sizeof(struct rte_flow_action));
5552 /* For the modify action after the sample action in E-Switch mirroring,
5553 * Add the extra jump action in prefix subflow and jump into the next
5554 * table, then do the modify action in the new table.
5557 /* Prepare the prefix jump action. */
5559 jump_action = (void *)(actions_pre + actions_n + append_index);
5560 jump_action->group = jump_table;
5561 actions_pre[index++] =
5562 (struct rte_flow_action){
5563 .type = (enum rte_flow_action_type)
5564 RTE_FLOW_ACTION_TYPE_JUMP,
5565 .conf = jump_action,
5568 actions_pre[index] = (struct rte_flow_action){
5569 .type = (enum rte_flow_action_type)
5570 RTE_FLOW_ACTION_TYPE_END,
5572 /* Put the actions after sample into Suffix flow. */
5573 memcpy(actions_sfx, actions + sample_action_pos + 1,
5574 sizeof(struct rte_flow_action) *
5575 (actions_n - sample_action_pos - 1));
5580 * The splitting for metadata feature.
5582 * - Q/RSS action on NIC Rx should be split in order to pass by
5583 * the mreg copy table (RX_CP_TBL) and then it jumps to the
5584 * action table (RX_ACT_TBL) which has the split Q/RSS action.
5586 * - All the actions on NIC Tx should have a mreg copy action to
5587 * copy reg_a from WQE to reg_c[0].
5590 * Pointer to Ethernet device.
5592 * Parent flow structure pointer.
5594 * Flow rule attributes.
5596 * Pattern specification (list terminated by the END pattern item).
5597 * @param[in] actions
5598 * Associated actions (list terminated by the END action).
5599 * @param[in] flow_split_info
5600 * Pointer to flow split info structure.
5602 * Perform verbose error reporting if not NULL.
5604 * 0 on success, negative value otherwise
5607 flow_create_split_metadata(struct rte_eth_dev *dev,
5608 struct rte_flow *flow,
5609 const struct rte_flow_attr *attr,
5610 const struct rte_flow_item items[],
5611 const struct rte_flow_action actions[],
5612 struct mlx5_flow_split_info *flow_split_info,
5613 struct rte_flow_error *error)
5615 struct mlx5_priv *priv = dev->data->dev_private;
5616 struct mlx5_dev_config *config = &priv->config;
5617 const struct rte_flow_action *qrss = NULL;
5618 struct rte_flow_action *ext_actions = NULL;
5619 struct mlx5_flow *dev_flow = NULL;
5620 uint32_t qrss_id = 0;
5627 /* Check whether extensive metadata feature is engaged. */
5628 if (!config->dv_flow_en ||
5629 config->dv_xmeta_en == MLX5_XMETA_MODE_LEGACY ||
5630 !mlx5_flow_ext_mreg_supported(dev))
5631 return flow_create_split_inner(dev, flow, NULL, attr, items,
5632 actions, flow_split_info, error);
5633 actions_n = flow_parse_metadata_split_actions_info(actions, &qrss,
5636 /* Exclude hairpin flows from splitting. */
5637 if (qrss->type == RTE_FLOW_ACTION_TYPE_QUEUE) {
5638 const struct rte_flow_action_queue *queue;
5641 if (mlx5_rxq_get_type(dev, queue->index) ==
5642 MLX5_RXQ_TYPE_HAIRPIN)
5644 } else if (qrss->type == RTE_FLOW_ACTION_TYPE_RSS) {
5645 const struct rte_flow_action_rss *rss;
5648 if (mlx5_rxq_get_type(dev, rss->queue[0]) ==
5649 MLX5_RXQ_TYPE_HAIRPIN)
5654 /* Check if it is in meter suffix table. */
5655 mtr_sfx = attr->group == (attr->transfer ?
5656 (MLX5_FLOW_TABLE_LEVEL_METER - 1) :
5657 MLX5_FLOW_TABLE_LEVEL_METER);
5659 * Q/RSS action on NIC Rx should be split in order to pass by
5660 * the mreg copy table (RX_CP_TBL) and then it jumps to the
5661 * action table (RX_ACT_TBL) which has the split Q/RSS action.
5663 act_size = sizeof(struct rte_flow_action) * (actions_n + 1) +
5664 sizeof(struct rte_flow_action_set_tag) +
5665 sizeof(struct rte_flow_action_jump);
5666 ext_actions = mlx5_malloc(MLX5_MEM_ZERO, act_size, 0,
5669 return rte_flow_error_set(error, ENOMEM,
5670 RTE_FLOW_ERROR_TYPE_ACTION,
5671 NULL, "no memory to split "
5674 * If we are the suffix flow of meter, tag already exist.
5675 * Set the tag action to void.
5678 ext_actions[qrss - actions].type =
5679 RTE_FLOW_ACTION_TYPE_VOID;
5681 ext_actions[qrss - actions].type =
5682 (enum rte_flow_action_type)
5683 MLX5_RTE_FLOW_ACTION_TYPE_TAG;
5685 * Create the new actions list with removed Q/RSS action
5686 * and appended set tag and jump to register copy table
5687 * (RX_CP_TBL). We should preallocate unique tag ID here
5688 * in advance, because it is needed for set tag action.
5690 qrss_id = flow_mreg_split_qrss_prep(dev, ext_actions, actions,
5691 qrss, actions_n, error);
5692 if (!mtr_sfx && !qrss_id) {
5696 } else if (attr->egress && !attr->transfer) {
5698 * All the actions on NIC Tx should have a metadata register
5699 * copy action to copy reg_a from WQE to reg_c[meta]
5701 act_size = sizeof(struct rte_flow_action) * (actions_n + 1) +
5702 sizeof(struct mlx5_flow_action_copy_mreg);
5703 ext_actions = mlx5_malloc(MLX5_MEM_ZERO, act_size, 0,
5706 return rte_flow_error_set(error, ENOMEM,
5707 RTE_FLOW_ERROR_TYPE_ACTION,
5708 NULL, "no memory to split "
5710 /* Create the action list appended with copy register. */
5711 ret = flow_mreg_tx_copy_prep(dev, ext_actions, actions,
5712 actions_n, error, encap_idx);
5716 /* Add the unmodified original or prefix subflow. */
5717 ret = flow_create_split_inner(dev, flow, &dev_flow, attr,
5718 items, ext_actions ? ext_actions :
5719 actions, flow_split_info, error);
5722 MLX5_ASSERT(dev_flow);
5724 const struct rte_flow_attr q_attr = {
5725 .group = MLX5_FLOW_MREG_ACT_TABLE_GROUP,
5728 /* Internal PMD action to set register. */
5729 struct mlx5_rte_flow_item_tag q_tag_spec = {
5733 struct rte_flow_item q_items[] = {
5735 .type = (enum rte_flow_item_type)
5736 MLX5_RTE_FLOW_ITEM_TYPE_TAG,
5737 .spec = &q_tag_spec,
5742 .type = RTE_FLOW_ITEM_TYPE_END,
5745 struct rte_flow_action q_actions[] = {
5751 .type = RTE_FLOW_ACTION_TYPE_END,
5754 uint64_t layers = flow_get_prefix_layer_flags(dev_flow);
5757 * Configure the tag item only if there is no meter subflow.
5758 * Since tag is already marked in the meter suffix subflow
5759 * we can just use the meter suffix items as is.
5762 /* Not meter subflow. */
5763 MLX5_ASSERT(!mtr_sfx);
5765 * Put unique id in prefix flow due to it is destroyed
5766 * after suffix flow and id will be freed after there
5767 * is no actual flows with this id and identifier
5768 * reallocation becomes possible (for example, for
5769 * other flows in other threads).
5771 dev_flow->handle->split_flow_id = qrss_id;
5772 ret = mlx5_flow_get_reg_id(dev, MLX5_COPY_MARK, 0,
5776 q_tag_spec.id = ret;
5779 /* Add suffix subflow to execute Q/RSS. */
5780 flow_split_info->prefix_layers = layers;
5781 flow_split_info->prefix_mark = 0;
5782 ret = flow_create_split_inner(dev, flow, &dev_flow,
5783 &q_attr, mtr_sfx ? items :
5785 flow_split_info, error);
5788 /* qrss ID should be freed if failed. */
5790 MLX5_ASSERT(dev_flow);
5795 * We do not destroy the partially created sub_flows in case of error.
5796 * These ones are included into parent flow list and will be destroyed
5797 * by flow_drv_destroy.
5799 mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_RSS_EXPANTION_FLOW_ID],
5801 mlx5_free(ext_actions);
5806 * Create meter internal drop flow with the original pattern.
5809 * Pointer to Ethernet device.
5811 * Parent flow structure pointer.
5813 * Flow rule attributes.
5815 * Pattern specification (list terminated by the END pattern item).
5816 * @param[in] flow_split_info
5817 * Pointer to flow split info structure.
5819 * Pointer to flow meter structure.
5821 * Perform verbose error reporting if not NULL.
5823 * 0 on success, negative value otherwise
5826 flow_meter_create_drop_flow_with_org_pattern(struct rte_eth_dev *dev,
5827 struct rte_flow *flow,
5828 const struct rte_flow_attr *attr,
5829 const struct rte_flow_item items[],
5830 struct mlx5_flow_split_info *flow_split_info,
5831 struct mlx5_flow_meter_info *fm,
5832 struct rte_flow_error *error)
5834 struct mlx5_flow *dev_flow = NULL;
5835 struct rte_flow_attr drop_attr = *attr;
5836 struct rte_flow_action drop_actions[3];
5837 struct mlx5_flow_split_info drop_split_info = *flow_split_info;
5839 MLX5_ASSERT(fm->drop_cnt);
5840 drop_actions[0].type =
5841 (enum rte_flow_action_type)MLX5_RTE_FLOW_ACTION_TYPE_COUNT;
5842 drop_actions[0].conf = (void *)(uintptr_t)fm->drop_cnt;
5843 drop_actions[1].type = RTE_FLOW_ACTION_TYPE_DROP;
5844 drop_actions[1].conf = NULL;
5845 drop_actions[2].type = RTE_FLOW_ACTION_TYPE_END;
5846 drop_actions[2].conf = NULL;
5847 drop_split_info.external = false;
5848 drop_split_info.skip_scale |= 1 << MLX5_SCALE_FLOW_GROUP_BIT;
5849 drop_split_info.table_id = MLX5_MTR_TABLE_ID_DROP;
5850 drop_attr.group = MLX5_FLOW_TABLE_LEVEL_METER;
5851 return flow_create_split_inner(dev, flow, &dev_flow,
5852 &drop_attr, items, drop_actions,
5853 &drop_split_info, error);
5857 * The splitting for meter feature.
5859 * - The meter flow will be split to two flows as prefix and
5860 * suffix flow. The packets make sense only it pass the prefix
5863 * - Reg_C_5 is used for the packet to match betweend prefix and
5867 * Pointer to Ethernet device.
5869 * Parent flow structure pointer.
5871 * Flow rule attributes.
5873 * Pattern specification (list terminated by the END pattern item).
5874 * @param[in] actions
5875 * Associated actions (list terminated by the END action).
5876 * @param[in] flow_split_info
5877 * Pointer to flow split info structure.
5879 * Perform verbose error reporting if not NULL.
5881 * 0 on success, negative value otherwise
5884 flow_create_split_meter(struct rte_eth_dev *dev,
5885 struct rte_flow *flow,
5886 const struct rte_flow_attr *attr,
5887 const struct rte_flow_item items[],
5888 const struct rte_flow_action actions[],
5889 struct mlx5_flow_split_info *flow_split_info,
5890 struct rte_flow_error *error)
5892 struct mlx5_priv *priv = dev->data->dev_private;
5893 struct mlx5_flow_workspace *wks = mlx5_flow_get_thread_workspace();
5894 struct rte_flow_action *sfx_actions = NULL;
5895 struct rte_flow_action *pre_actions = NULL;
5896 struct rte_flow_item *sfx_items = NULL;
5897 struct mlx5_flow *dev_flow = NULL;
5898 struct rte_flow_attr sfx_attr = *attr;
5899 struct mlx5_flow_meter_info *fm = NULL;
5900 uint8_t skip_scale_restore;
5901 bool has_mtr = false;
5902 bool has_modify = false;
5903 bool set_mtr_reg = true;
5904 bool is_mtr_hierarchy = false;
5905 uint32_t meter_id = 0;
5906 uint32_t mtr_idx = 0;
5907 uint32_t mtr_flow_id = 0;
5914 actions_n = flow_check_meter_action(dev, actions, &has_mtr,
5915 &has_modify, &meter_id);
5918 fm = flow_dv_meter_find_by_idx(priv, flow->meter);
5920 return rte_flow_error_set(error, EINVAL,
5921 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
5922 NULL, "Meter not found.");
5924 fm = mlx5_flow_meter_find(priv, meter_id, &mtr_idx);
5926 return rte_flow_error_set(error, EINVAL,
5927 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
5928 NULL, "Meter not found.");
5929 ret = mlx5_flow_meter_attach(priv, fm,
5933 flow->meter = mtr_idx;
5937 if (!fm->def_policy) {
5938 wks->policy = mlx5_flow_meter_policy_find(dev,
5941 MLX5_ASSERT(wks->policy);
5942 if (wks->policy->is_hierarchy) {
5944 mlx5_flow_meter_hierarchy_get_final_policy(dev,
5946 if (!wks->final_policy)
5947 return rte_flow_error_set(error,
5949 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
5950 "Failed to find terminal policy of hierarchy.");
5951 is_mtr_hierarchy = true;
5955 * If it isn't default-policy Meter, and
5956 * 1. There's no action in flow to change
5957 * packet (modify/encap/decap etc.), OR
5958 * 2. No drop count needed for this meter.
5959 * 3. It's not meter hierarchy.
5960 * Then no need to use regC to save meter id anymore.
5962 if (!fm->def_policy && !is_mtr_hierarchy &&
5963 (!has_modify || !fm->drop_cnt))
5964 set_mtr_reg = false;
5965 /* Prefix actions: meter, decap, encap, tag, jump, end. */
5966 act_size = sizeof(struct rte_flow_action) * (actions_n + 6) +
5967 sizeof(struct mlx5_rte_flow_action_set_tag);
5968 /* Suffix items: tag, vlan, port id, end. */
5969 #define METER_SUFFIX_ITEM 4
5970 item_size = sizeof(struct rte_flow_item) * METER_SUFFIX_ITEM +
5971 sizeof(struct mlx5_rte_flow_item_tag) * 2;
5972 sfx_actions = mlx5_malloc(MLX5_MEM_ZERO, (act_size + item_size),
5975 return rte_flow_error_set(error, ENOMEM,
5976 RTE_FLOW_ERROR_TYPE_ACTION,
5977 NULL, "no memory to split "
5979 sfx_items = (struct rte_flow_item *)((char *)sfx_actions +
5981 /* There's no suffix flow for meter of non-default policy. */
5982 if (!fm->def_policy)
5983 pre_actions = sfx_actions + 1;
5985 pre_actions = sfx_actions + actions_n;
5986 ret = flow_meter_split_prep(dev, flow, wks, &sfx_attr,
5987 items, sfx_items, actions,
5988 sfx_actions, pre_actions,
5989 (set_mtr_reg ? &mtr_flow_id : NULL),
5995 /* Add the prefix subflow. */
5996 flow_split_info->prefix_mark = 0;
5997 skip_scale_restore = flow_split_info->skip_scale;
5998 flow_split_info->skip_scale |=
5999 1 << MLX5_SCALE_JUMP_FLOW_GROUP_BIT;
6000 ret = flow_create_split_inner(dev, flow, &dev_flow,
6001 attr, items, pre_actions,
6002 flow_split_info, error);
6003 flow_split_info->skip_scale = skip_scale_restore;
6006 mlx5_ipool_free(fm->flow_ipool, mtr_flow_id);
6011 dev_flow->handle->split_flow_id = mtr_flow_id;
6012 dev_flow->handle->is_meter_flow_id = 1;
6014 if (!fm->def_policy) {
6015 if (!set_mtr_reg && fm->drop_cnt)
6017 flow_meter_create_drop_flow_with_org_pattern(dev, flow,
6023 /* Setting the sfx group atrr. */
6024 sfx_attr.group = sfx_attr.transfer ?
6025 (MLX5_FLOW_TABLE_LEVEL_METER - 1) :
6026 MLX5_FLOW_TABLE_LEVEL_METER;
6027 flow_split_info->prefix_layers =
6028 flow_get_prefix_layer_flags(dev_flow);
6029 flow_split_info->prefix_mark = dev_flow->handle->mark;
6030 flow_split_info->table_id = MLX5_MTR_TABLE_ID_SUFFIX;
6032 /* Add the prefix subflow. */
6033 ret = flow_create_split_metadata(dev, flow,
6034 &sfx_attr, sfx_items ?
6036 sfx_actions ? sfx_actions : actions,
6037 flow_split_info, error);
6040 mlx5_free(sfx_actions);
6045 * The splitting for sample feature.
6047 * Once Sample action is detected in the action list, the flow actions should
6048 * be split into prefix sub flow and suffix sub flow.
6050 * The original items remain in the prefix sub flow, all actions preceding the
6051 * sample action and the sample action itself will be copied to the prefix
6052 * sub flow, the actions following the sample action will be copied to the
6053 * suffix sub flow, Queue action always be located in the suffix sub flow.
6055 * In order to make the packet from prefix sub flow matches with suffix sub
6056 * flow, an extra tag action be added into prefix sub flow, and the suffix sub
6057 * flow uses tag item with the unique flow id.
6060 * Pointer to Ethernet device.
6062 * Parent flow structure pointer.
6064 * Flow rule attributes.
6066 * Pattern specification (list terminated by the END pattern item).
6067 * @param[in] actions
6068 * Associated actions (list terminated by the END action).
6069 * @param[in] flow_split_info
6070 * Pointer to flow split info structure.
6072 * Perform verbose error reporting if not NULL.
6074 * 0 on success, negative value otherwise
6077 flow_create_split_sample(struct rte_eth_dev *dev,
6078 struct rte_flow *flow,
6079 const struct rte_flow_attr *attr,
6080 const struct rte_flow_item items[],
6081 const struct rte_flow_action actions[],
6082 struct mlx5_flow_split_info *flow_split_info,
6083 struct rte_flow_error *error)
6085 struct mlx5_priv *priv = dev->data->dev_private;
6086 struct rte_flow_action *sfx_actions = NULL;
6087 struct rte_flow_action *pre_actions = NULL;
6088 struct rte_flow_item *sfx_items = NULL;
6089 struct mlx5_flow *dev_flow = NULL;
6090 struct rte_flow_attr sfx_attr = *attr;
6091 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
6092 struct mlx5_flow_dv_sample_resource *sample_res;
6093 struct mlx5_flow_tbl_data_entry *sfx_tbl_data;
6094 struct mlx5_flow_tbl_resource *sfx_tbl;
6098 uint32_t fdb_tx = 0;
6101 int sample_action_pos;
6102 int qrss_action_pos;
6104 int modify_after_mirror = 0;
6105 uint16_t jump_table = 0;
6106 const uint32_t next_ft_step = 1;
6109 if (priv->sampler_en)
6110 actions_n = flow_check_match_action(actions, attr,
6111 RTE_FLOW_ACTION_TYPE_SAMPLE,
6112 &sample_action_pos, &qrss_action_pos,
6113 &modify_after_mirror);
6115 /* The prefix actions must includes sample, tag, end. */
6116 act_size = sizeof(struct rte_flow_action) * (actions_n * 2 + 1)
6117 + sizeof(struct mlx5_rte_flow_action_set_tag);
6118 item_size = sizeof(struct rte_flow_item) * SAMPLE_SUFFIX_ITEM +
6119 sizeof(struct mlx5_rte_flow_item_tag) * 2;
6120 sfx_actions = mlx5_malloc(MLX5_MEM_ZERO, (act_size +
6121 item_size), 0, SOCKET_ID_ANY);
6123 return rte_flow_error_set(error, ENOMEM,
6124 RTE_FLOW_ERROR_TYPE_ACTION,
6125 NULL, "no memory to split "
6127 /* The representor_id is UINT16_MAX for uplink. */
6128 fdb_tx = (attr->transfer && priv->representor_id != UINT16_MAX);
6130 * When reg_c_preserve is set, metadata registers Cx preserve
6131 * their value even through packet duplication.
6133 add_tag = (!fdb_tx || priv->config.hca_attr.reg_c_preserve);
6135 sfx_items = (struct rte_flow_item *)((char *)sfx_actions
6137 if (modify_after_mirror)
6138 jump_table = attr->group * MLX5_FLOW_TABLE_FACTOR +
6140 pre_actions = sfx_actions + actions_n;
6141 tag_id = flow_sample_split_prep(dev, add_tag, sfx_items,
6142 actions, sfx_actions,
6143 pre_actions, actions_n,
6145 qrss_action_pos, jump_table,
6147 if (tag_id < 0 || (add_tag && !tag_id)) {
6151 if (modify_after_mirror)
6152 flow_split_info->skip_scale =
6153 1 << MLX5_SCALE_JUMP_FLOW_GROUP_BIT;
6154 /* Add the prefix subflow. */
6155 ret = flow_create_split_inner(dev, flow, &dev_flow, attr,
6157 flow_split_info, error);
6162 dev_flow->handle->split_flow_id = tag_id;
6163 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
6164 if (!modify_after_mirror) {
6165 /* Set the sfx group attr. */
6166 sample_res = (struct mlx5_flow_dv_sample_resource *)
6167 dev_flow->dv.sample_res;
6168 sfx_tbl = (struct mlx5_flow_tbl_resource *)
6169 sample_res->normal_path_tbl;
6170 sfx_tbl_data = container_of(sfx_tbl,
6171 struct mlx5_flow_tbl_data_entry,
6173 sfx_attr.group = sfx_attr.transfer ?
6174 (sfx_tbl_data->level - 1) : sfx_tbl_data->level;
6176 MLX5_ASSERT(attr->transfer);
6177 sfx_attr.group = jump_table;
6179 flow_split_info->prefix_layers =
6180 flow_get_prefix_layer_flags(dev_flow);
6181 flow_split_info->prefix_mark = dev_flow->handle->mark;
6182 /* Suffix group level already be scaled with factor, set
6183 * MLX5_SCALE_FLOW_GROUP_BIT of skip_scale to 1 to avoid scale
6184 * again in translation.
6186 flow_split_info->skip_scale = 1 << MLX5_SCALE_FLOW_GROUP_BIT;
6189 /* Add the suffix subflow. */
6190 ret = flow_create_split_meter(dev, flow, &sfx_attr,
6191 sfx_items ? sfx_items : items,
6192 sfx_actions ? sfx_actions : actions,
6193 flow_split_info, error);
6196 mlx5_free(sfx_actions);
6201 * Split the flow to subflow set. The splitters might be linked
6202 * in the chain, like this:
6203 * flow_create_split_outer() calls:
6204 * flow_create_split_meter() calls:
6205 * flow_create_split_metadata(meter_subflow_0) calls:
6206 * flow_create_split_inner(metadata_subflow_0)
6207 * flow_create_split_inner(metadata_subflow_1)
6208 * flow_create_split_inner(metadata_subflow_2)
6209 * flow_create_split_metadata(meter_subflow_1) calls:
6210 * flow_create_split_inner(metadata_subflow_0)
6211 * flow_create_split_inner(metadata_subflow_1)
6212 * flow_create_split_inner(metadata_subflow_2)
6214 * This provide flexible way to add new levels of flow splitting.
6215 * The all of successfully created subflows are included to the
6216 * parent flow dev_flow list.
6219 * Pointer to Ethernet device.
6221 * Parent flow structure pointer.
6223 * Flow rule attributes.
6225 * Pattern specification (list terminated by the END pattern item).
6226 * @param[in] actions
6227 * Associated actions (list terminated by the END action).
6228 * @param[in] flow_split_info
6229 * Pointer to flow split info structure.
6231 * Perform verbose error reporting if not NULL.
6233 * 0 on success, negative value otherwise
6236 flow_create_split_outer(struct rte_eth_dev *dev,
6237 struct rte_flow *flow,
6238 const struct rte_flow_attr *attr,
6239 const struct rte_flow_item items[],
6240 const struct rte_flow_action actions[],
6241 struct mlx5_flow_split_info *flow_split_info,
6242 struct rte_flow_error *error)
6246 ret = flow_create_split_sample(dev, flow, attr, items,
6247 actions, flow_split_info, error);
6248 MLX5_ASSERT(ret <= 0);
6252 static inline struct mlx5_flow_tunnel *
6253 flow_tunnel_from_rule(const struct mlx5_flow *flow)
6255 struct mlx5_flow_tunnel *tunnel;
6257 #pragma GCC diagnostic push
6258 #pragma GCC diagnostic ignored "-Wcast-qual"
6259 tunnel = (typeof(tunnel))flow->tunnel;
6260 #pragma GCC diagnostic pop
6266 * Adjust flow RSS workspace if needed.
6269 * Pointer to thread flow work space.
6271 * Pointer to RSS descriptor.
6272 * @param[in] nrssq_num
6273 * New RSS queue number.
6276 * 0 on success, -1 otherwise and rte_errno is set.
6279 flow_rss_workspace_adjust(struct mlx5_flow_workspace *wks,
6280 struct mlx5_flow_rss_desc *rss_desc,
6283 if (likely(nrssq_num <= wks->rssq_num))
6285 rss_desc->queue = realloc(rss_desc->queue,
6286 sizeof(*rss_desc->queue) * RTE_ALIGN(nrssq_num, 2));
6287 if (!rss_desc->queue) {
6291 wks->rssq_num = RTE_ALIGN(nrssq_num, 2);
6296 * Create a flow and add it to @p list.
6299 * Pointer to Ethernet device.
6301 * Pointer to a TAILQ flow list. If this parameter NULL,
6302 * no list insertion occurred, flow is just created,
6303 * this is caller's responsibility to track the
6306 * Flow rule attributes.
6308 * Pattern specification (list terminated by the END pattern item).
6309 * @param[in] actions
6310 * Associated actions (list terminated by the END action).
6311 * @param[in] external
6312 * This flow rule is created by request external to PMD.
6314 * Perform verbose error reporting if not NULL.
6317 * A flow index on success, 0 otherwise and rte_errno is set.
6320 flow_list_create(struct rte_eth_dev *dev, enum mlx5_flow_type type,
6321 const struct rte_flow_attr *attr,
6322 const struct rte_flow_item items[],
6323 const struct rte_flow_action original_actions[],
6324 bool external, struct rte_flow_error *error)
6326 struct mlx5_priv *priv = dev->data->dev_private;
6327 struct rte_flow *flow = NULL;
6328 struct mlx5_flow *dev_flow;
6329 const struct rte_flow_action_rss *rss = NULL;
6330 struct mlx5_translated_action_handle
6331 indir_actions[MLX5_MAX_INDIRECT_ACTIONS];
6332 int indir_actions_n = MLX5_MAX_INDIRECT_ACTIONS;
6334 struct mlx5_flow_expand_rss buf;
6335 uint8_t buffer[4096];
6338 struct rte_flow_action actions[MLX5_MAX_SPLIT_ACTIONS];
6339 uint8_t buffer[2048];
6342 struct rte_flow_action actions[MLX5_MAX_SPLIT_ACTIONS];
6343 uint8_t buffer[2048];
6344 } actions_hairpin_tx;
6346 struct rte_flow_item items[MLX5_MAX_SPLIT_ITEMS];
6347 uint8_t buffer[2048];
6349 struct mlx5_flow_expand_rss *buf = &expand_buffer.buf;
6350 struct mlx5_flow_rss_desc *rss_desc;
6351 const struct rte_flow_action *p_actions_rx;
6355 struct rte_flow_attr attr_tx = { .priority = 0 };
6356 const struct rte_flow_action *actions;
6357 struct rte_flow_action *translated_actions = NULL;
6358 struct mlx5_flow_tunnel *tunnel;
6359 struct tunnel_default_miss_ctx default_miss_ctx = { 0, };
6360 struct mlx5_flow_workspace *wks = mlx5_flow_push_thread_workspace();
6361 struct mlx5_flow_split_info flow_split_info = {
6362 .external = !!external,
6372 rss_desc = &wks->rss_desc;
6373 ret = flow_action_handles_translate(dev, original_actions,
6376 &translated_actions, error);
6378 MLX5_ASSERT(translated_actions == NULL);
6381 actions = translated_actions ? translated_actions : original_actions;
6382 p_actions_rx = actions;
6383 hairpin_flow = flow_check_hairpin_split(dev, attr, actions);
6384 ret = flow_drv_validate(dev, attr, items, p_actions_rx,
6385 external, hairpin_flow, error);
6387 goto error_before_hairpin_split;
6388 flow = mlx5_ipool_zmalloc(priv->flows[type], &idx);
6391 goto error_before_hairpin_split;
6393 if (hairpin_flow > 0) {
6394 if (hairpin_flow > MLX5_MAX_SPLIT_ACTIONS) {
6396 goto error_before_hairpin_split;
6398 flow_hairpin_split(dev, actions, actions_rx.actions,
6399 actions_hairpin_tx.actions, items_tx.items,
6401 p_actions_rx = actions_rx.actions;
6403 flow_split_info.flow_idx = idx;
6404 flow->drv_type = flow_get_drv_type(dev, attr);
6405 MLX5_ASSERT(flow->drv_type > MLX5_FLOW_TYPE_MIN &&
6406 flow->drv_type < MLX5_FLOW_TYPE_MAX);
6407 memset(rss_desc, 0, offsetof(struct mlx5_flow_rss_desc, queue));
6408 /* RSS Action only works on NIC RX domain */
6409 if (attr->ingress && !attr->transfer)
6410 rss = flow_get_rss_action(dev, p_actions_rx);
6412 if (flow_rss_workspace_adjust(wks, rss_desc, rss->queue_num))
6415 * The following information is required by
6416 * mlx5_flow_hashfields_adjust() in advance.
6418 rss_desc->level = rss->level;
6419 /* RSS type 0 indicates default RSS type (ETH_RSS_IP). */
6420 rss_desc->types = !rss->types ? ETH_RSS_IP : rss->types;
6422 flow->dev_handles = 0;
6423 if (rss && rss->types) {
6424 unsigned int graph_root;
6426 graph_root = find_graph_root(rss->level);
6427 ret = mlx5_flow_expand_rss(buf, sizeof(expand_buffer.buffer),
6429 mlx5_support_expansion, graph_root);
6430 MLX5_ASSERT(ret > 0 &&
6431 (unsigned int)ret < sizeof(expand_buffer.buffer));
6432 if (rte_log_can_log(mlx5_logtype, RTE_LOG_DEBUG)) {
6433 for (i = 0; i < buf->entries; ++i)
6434 mlx5_dbg__print_pattern(buf->entry[i].pattern);
6438 buf->entry[0].pattern = (void *)(uintptr_t)items;
6440 rss_desc->shared_rss = flow_get_shared_rss_action(dev, indir_actions,
6442 for (i = 0; i < buf->entries; ++i) {
6443 /* Initialize flow split data. */
6444 flow_split_info.prefix_layers = 0;
6445 flow_split_info.prefix_mark = 0;
6446 flow_split_info.skip_scale = 0;
6448 * The splitter may create multiple dev_flows,
6449 * depending on configuration. In the simplest
6450 * case it just creates unmodified original flow.
6452 ret = flow_create_split_outer(dev, flow, attr,
6453 buf->entry[i].pattern,
6454 p_actions_rx, &flow_split_info,
6458 if (is_flow_tunnel_steer_rule(wks->flows[0].tof_type)) {
6459 ret = flow_tunnel_add_default_miss(dev, flow, attr,
6462 wks->flows[0].tunnel,
6466 mlx5_free(default_miss_ctx.queue);
6471 /* Create the tx flow. */
6473 attr_tx.group = MLX5_HAIRPIN_TX_TABLE;
6474 attr_tx.ingress = 0;
6476 dev_flow = flow_drv_prepare(dev, flow, &attr_tx, items_tx.items,
6477 actions_hairpin_tx.actions,
6481 dev_flow->flow = flow;
6482 dev_flow->external = 0;
6483 SILIST_INSERT(&flow->dev_handles, dev_flow->handle_idx,
6484 dev_flow->handle, next);
6485 ret = flow_drv_translate(dev, dev_flow, &attr_tx,
6487 actions_hairpin_tx.actions, error);
6492 * Update the metadata register copy table. If extensive
6493 * metadata feature is enabled and registers are supported
6494 * we might create the extra rte_flow for each unique
6495 * MARK/FLAG action ID.
6497 * The table is updated for ingress Flows only, because
6498 * the egress Flows belong to the different device and
6499 * copy table should be updated in peer NIC Rx domain.
6501 if (attr->ingress &&
6502 (external || attr->group != MLX5_FLOW_MREG_CP_TABLE_GROUP)) {
6503 ret = flow_mreg_update_copy_table(dev, flow, actions, error);
6508 * If the flow is external (from application) OR device is started,
6509 * OR mreg discover, then apply immediately.
6511 if (external || dev->data->dev_started ||
6512 (attr->group == MLX5_FLOW_MREG_CP_TABLE_GROUP &&
6513 attr->priority == MLX5_FLOW_LOWEST_PRIO_INDICATOR)) {
6514 ret = flow_drv_apply(dev, flow, error);
6519 flow_rxq_flags_set(dev, flow);
6520 rte_free(translated_actions);
6521 tunnel = flow_tunnel_from_rule(wks->flows);
6524 flow->tunnel_id = tunnel->tunnel_id;
6525 __atomic_add_fetch(&tunnel->refctn, 1, __ATOMIC_RELAXED);
6526 mlx5_free(default_miss_ctx.queue);
6528 mlx5_flow_pop_thread_workspace();
6532 ret = rte_errno; /* Save rte_errno before cleanup. */
6533 flow_mreg_del_copy_action(dev, flow);
6534 flow_drv_destroy(dev, flow);
6535 if (rss_desc->shared_rss)
6536 __atomic_sub_fetch(&((struct mlx5_shared_action_rss *)
6538 (priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS],
6539 rss_desc->shared_rss))->refcnt, 1, __ATOMIC_RELAXED);
6540 mlx5_ipool_free(priv->flows[type], idx);
6541 rte_errno = ret; /* Restore rte_errno. */
6544 mlx5_flow_pop_thread_workspace();
6545 error_before_hairpin_split:
6546 rte_free(translated_actions);
6551 * Create a dedicated flow rule on e-switch table 0 (root table), to direct all
6552 * incoming packets to table 1.
6554 * Other flow rules, requested for group n, will be created in
6555 * e-switch table n+1.
6556 * Jump action to e-switch group n will be created to group n+1.
6558 * Used when working in switchdev mode, to utilise advantages of table 1
6562 * Pointer to Ethernet device.
6565 * Pointer to flow on success, NULL otherwise and rte_errno is set.
6568 mlx5_flow_create_esw_table_zero_flow(struct rte_eth_dev *dev)
6570 const struct rte_flow_attr attr = {
6577 const struct rte_flow_item pattern = {
6578 .type = RTE_FLOW_ITEM_TYPE_END,
6580 struct rte_flow_action_jump jump = {
6583 const struct rte_flow_action actions[] = {
6585 .type = RTE_FLOW_ACTION_TYPE_JUMP,
6589 .type = RTE_FLOW_ACTION_TYPE_END,
6592 struct rte_flow_error error;
6594 return (void *)(uintptr_t)flow_list_create(dev, MLX5_FLOW_TYPE_CTL,
6596 actions, false, &error);
6600 * Validate a flow supported by the NIC.
6602 * @see rte_flow_validate()
6606 mlx5_flow_validate(struct rte_eth_dev *dev,
6607 const struct rte_flow_attr *attr,
6608 const struct rte_flow_item items[],
6609 const struct rte_flow_action original_actions[],
6610 struct rte_flow_error *error)
6613 struct mlx5_translated_action_handle
6614 indir_actions[MLX5_MAX_INDIRECT_ACTIONS];
6615 int indir_actions_n = MLX5_MAX_INDIRECT_ACTIONS;
6616 const struct rte_flow_action *actions;
6617 struct rte_flow_action *translated_actions = NULL;
6618 int ret = flow_action_handles_translate(dev, original_actions,
6621 &translated_actions, error);
6625 actions = translated_actions ? translated_actions : original_actions;
6626 hairpin_flow = flow_check_hairpin_split(dev, attr, actions);
6627 ret = flow_drv_validate(dev, attr, items, actions,
6628 true, hairpin_flow, error);
6629 rte_free(translated_actions);
6636 * @see rte_flow_create()
6640 mlx5_flow_create(struct rte_eth_dev *dev,
6641 const struct rte_flow_attr *attr,
6642 const struct rte_flow_item items[],
6643 const struct rte_flow_action actions[],
6644 struct rte_flow_error *error)
6647 * If the device is not started yet, it is not allowed to created a
6648 * flow from application. PMD default flows and traffic control flows
6651 if (unlikely(!dev->data->dev_started)) {
6652 DRV_LOG(DEBUG, "port %u is not started when "
6653 "inserting a flow", dev->data->port_id);
6654 rte_flow_error_set(error, ENODEV,
6655 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
6657 "port not started");
6661 return (void *)(uintptr_t)flow_list_create(dev, MLX5_FLOW_TYPE_GEN,
6662 attr, items, actions,
6667 * Destroy a flow in a list.
6670 * Pointer to Ethernet device.
6671 * @param[in] flow_idx
6672 * Index of flow to destroy.
6675 flow_list_destroy(struct rte_eth_dev *dev, enum mlx5_flow_type type,
6678 struct mlx5_priv *priv = dev->data->dev_private;
6679 struct rte_flow *flow = mlx5_ipool_get(priv->flows[type], flow_idx);
6683 MLX5_ASSERT(flow->type == type);
6685 * Update RX queue flags only if port is started, otherwise it is
6688 if (dev->data->dev_started)
6689 flow_rxq_flags_trim(dev, flow);
6690 flow_drv_destroy(dev, flow);
6692 struct mlx5_flow_tunnel *tunnel;
6694 tunnel = mlx5_find_tunnel_id(dev, flow->tunnel_id);
6696 if (!__atomic_sub_fetch(&tunnel->refctn, 1, __ATOMIC_RELAXED))
6697 mlx5_flow_tunnel_free(dev, tunnel);
6699 flow_mreg_del_copy_action(dev, flow);
6700 mlx5_ipool_free(priv->flows[type], flow_idx);
6704 * Destroy all flows.
6707 * Pointer to Ethernet device.
6709 * Flow type to be flushed.
6711 * If flushing is called avtively.
6714 mlx5_flow_list_flush(struct rte_eth_dev *dev, enum mlx5_flow_type type,
6717 struct mlx5_priv *priv = dev->data->dev_private;
6718 uint32_t num_flushed = 0, fidx = 1;
6719 struct rte_flow *flow;
6721 MLX5_IPOOL_FOREACH(priv->flows[type], fidx, flow) {
6722 flow_list_destroy(dev, type, fidx);
6726 DRV_LOG(INFO, "port %u: %u flows flushed before stopping",
6727 dev->data->port_id, num_flushed);
6732 * Stop all default actions for flows.
6735 * Pointer to Ethernet device.
6738 mlx5_flow_stop_default(struct rte_eth_dev *dev)
6740 flow_mreg_del_default_copy_action(dev);
6741 flow_rxq_flags_clear(dev);
6745 * Start all default actions for flows.
6748 * Pointer to Ethernet device.
6750 * 0 on success, a negative errno value otherwise and rte_errno is set.
6753 mlx5_flow_start_default(struct rte_eth_dev *dev)
6755 struct rte_flow_error error;
6757 /* Make sure default copy action (reg_c[0] -> reg_b) is created. */
6758 return flow_mreg_add_default_copy_action(dev, &error);
6762 * Release key of thread specific flow workspace data.
6765 flow_release_workspace(void *data)
6767 struct mlx5_flow_workspace *wks = data;
6768 struct mlx5_flow_workspace *next;
6772 free(wks->rss_desc.queue);
6779 * Get thread specific current flow workspace.
6781 * @return pointer to thread specific flow workspace data, NULL on error.
6783 struct mlx5_flow_workspace*
6784 mlx5_flow_get_thread_workspace(void)
6786 struct mlx5_flow_workspace *data;
6788 data = mlx5_flow_os_get_specific_workspace();
6789 MLX5_ASSERT(data && data->inuse);
6790 if (!data || !data->inuse)
6791 DRV_LOG(ERR, "flow workspace not initialized.");
6796 * Allocate and init new flow workspace.
6798 * @return pointer to flow workspace data, NULL on error.
6800 static struct mlx5_flow_workspace*
6801 flow_alloc_thread_workspace(void)
6803 struct mlx5_flow_workspace *data = calloc(1, sizeof(*data));
6806 DRV_LOG(ERR, "Failed to allocate flow workspace "
6810 data->rss_desc.queue = calloc(1,
6811 sizeof(uint16_t) * MLX5_RSSQ_DEFAULT_NUM);
6812 if (!data->rss_desc.queue)
6814 data->rssq_num = MLX5_RSSQ_DEFAULT_NUM;
6817 if (data->rss_desc.queue)
6818 free(data->rss_desc.queue);
6824 * Get new thread specific flow workspace.
6826 * If current workspace inuse, create new one and set as current.
6828 * @return pointer to thread specific flow workspace data, NULL on error.
6830 static struct mlx5_flow_workspace*
6831 mlx5_flow_push_thread_workspace(void)
6833 struct mlx5_flow_workspace *curr;
6834 struct mlx5_flow_workspace *data;
6836 curr = mlx5_flow_os_get_specific_workspace();
6838 data = flow_alloc_thread_workspace();
6841 } else if (!curr->inuse) {
6843 } else if (curr->next) {
6846 data = flow_alloc_thread_workspace();
6854 /* Set as current workspace */
6855 if (mlx5_flow_os_set_specific_workspace(data))
6856 DRV_LOG(ERR, "Failed to set flow workspace to thread.");
6861 * Close current thread specific flow workspace.
6863 * If previous workspace available, set it as current.
6865 * @return pointer to thread specific flow workspace data, NULL on error.
6868 mlx5_flow_pop_thread_workspace(void)
6870 struct mlx5_flow_workspace *data = mlx5_flow_get_thread_workspace();
6875 DRV_LOG(ERR, "Failed to close unused flow workspace.");
6881 if (mlx5_flow_os_set_specific_workspace(data->prev))
6882 DRV_LOG(ERR, "Failed to set flow workspace to thread.");
6886 * Verify the flow list is empty
6889 * Pointer to Ethernet device.
6891 * @return the number of flows not released.
6894 mlx5_flow_verify(struct rte_eth_dev *dev __rte_unused)
6896 struct mlx5_priv *priv = dev->data->dev_private;
6897 struct rte_flow *flow;
6901 for (i = 0; i < MLX5_FLOW_TYPE_MAXI; i++) {
6902 MLX5_IPOOL_FOREACH(priv->flows[i], idx, flow) {
6903 DRV_LOG(DEBUG, "port %u flow %p still referenced",
6904 dev->data->port_id, (void *)flow);
6912 * Enable default hairpin egress flow.
6915 * Pointer to Ethernet device.
6920 * 0 on success, a negative errno value otherwise and rte_errno is set.
6923 mlx5_ctrl_flow_source_queue(struct rte_eth_dev *dev,
6926 const struct rte_flow_attr attr = {
6930 struct mlx5_rte_flow_item_tx_queue queue_spec = {
6933 struct mlx5_rte_flow_item_tx_queue queue_mask = {
6934 .queue = UINT32_MAX,
6936 struct rte_flow_item items[] = {
6938 .type = (enum rte_flow_item_type)
6939 MLX5_RTE_FLOW_ITEM_TYPE_TX_QUEUE,
6940 .spec = &queue_spec,
6942 .mask = &queue_mask,
6945 .type = RTE_FLOW_ITEM_TYPE_END,
6948 struct rte_flow_action_jump jump = {
6949 .group = MLX5_HAIRPIN_TX_TABLE,
6951 struct rte_flow_action actions[2];
6953 struct rte_flow_error error;
6955 actions[0].type = RTE_FLOW_ACTION_TYPE_JUMP;
6956 actions[0].conf = &jump;
6957 actions[1].type = RTE_FLOW_ACTION_TYPE_END;
6958 flow_idx = flow_list_create(dev, MLX5_FLOW_TYPE_CTL,
6959 &attr, items, actions, false, &error);
6962 "Failed to create ctrl flow: rte_errno(%d),"
6963 " type(%d), message(%s)",
6964 rte_errno, error.type,
6965 error.message ? error.message : " (no stated reason)");
6972 * Enable a control flow configured from the control plane.
6975 * Pointer to Ethernet device.
6977 * An Ethernet flow spec to apply.
6979 * An Ethernet flow mask to apply.
6981 * A VLAN flow spec to apply.
6983 * A VLAN flow mask to apply.
6986 * 0 on success, a negative errno value otherwise and rte_errno is set.
6989 mlx5_ctrl_flow_vlan(struct rte_eth_dev *dev,
6990 struct rte_flow_item_eth *eth_spec,
6991 struct rte_flow_item_eth *eth_mask,
6992 struct rte_flow_item_vlan *vlan_spec,
6993 struct rte_flow_item_vlan *vlan_mask)
6995 struct mlx5_priv *priv = dev->data->dev_private;
6996 const struct rte_flow_attr attr = {
6998 .priority = MLX5_FLOW_LOWEST_PRIO_INDICATOR,
7000 struct rte_flow_item items[] = {
7002 .type = RTE_FLOW_ITEM_TYPE_ETH,
7008 .type = (vlan_spec) ? RTE_FLOW_ITEM_TYPE_VLAN :
7009 RTE_FLOW_ITEM_TYPE_END,
7015 .type = RTE_FLOW_ITEM_TYPE_END,
7018 uint16_t queue[priv->reta_idx_n];
7019 struct rte_flow_action_rss action_rss = {
7020 .func = RTE_ETH_HASH_FUNCTION_DEFAULT,
7022 .types = priv->rss_conf.rss_hf,
7023 .key_len = priv->rss_conf.rss_key_len,
7024 .queue_num = priv->reta_idx_n,
7025 .key = priv->rss_conf.rss_key,
7028 struct rte_flow_action actions[] = {
7030 .type = RTE_FLOW_ACTION_TYPE_RSS,
7031 .conf = &action_rss,
7034 .type = RTE_FLOW_ACTION_TYPE_END,
7038 struct rte_flow_error error;
7041 if (!priv->reta_idx_n || !priv->rxqs_n) {
7044 if (!(dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG))
7045 action_rss.types = 0;
7046 for (i = 0; i != priv->reta_idx_n; ++i)
7047 queue[i] = (*priv->reta_idx)[i];
7048 flow_idx = flow_list_create(dev, MLX5_FLOW_TYPE_CTL,
7049 &attr, items, actions, false, &error);
7056 * Enable a flow control configured from the control plane.
7059 * Pointer to Ethernet device.
7061 * An Ethernet flow spec to apply.
7063 * An Ethernet flow mask to apply.
7066 * 0 on success, a negative errno value otherwise and rte_errno is set.
7069 mlx5_ctrl_flow(struct rte_eth_dev *dev,
7070 struct rte_flow_item_eth *eth_spec,
7071 struct rte_flow_item_eth *eth_mask)
7073 return mlx5_ctrl_flow_vlan(dev, eth_spec, eth_mask, NULL, NULL);
7077 * Create default miss flow rule matching lacp traffic
7080 * Pointer to Ethernet device.
7082 * An Ethernet flow spec to apply.
7085 * 0 on success, a negative errno value otherwise and rte_errno is set.
7088 mlx5_flow_lacp_miss(struct rte_eth_dev *dev)
7091 * The LACP matching is done by only using ether type since using
7092 * a multicast dst mac causes kernel to give low priority to this flow.
7094 static const struct rte_flow_item_eth lacp_spec = {
7095 .type = RTE_BE16(0x8809),
7097 static const struct rte_flow_item_eth lacp_mask = {
7100 const struct rte_flow_attr attr = {
7103 struct rte_flow_item items[] = {
7105 .type = RTE_FLOW_ITEM_TYPE_ETH,
7110 .type = RTE_FLOW_ITEM_TYPE_END,
7113 struct rte_flow_action actions[] = {
7115 .type = (enum rte_flow_action_type)
7116 MLX5_RTE_FLOW_ACTION_TYPE_DEFAULT_MISS,
7119 .type = RTE_FLOW_ACTION_TYPE_END,
7122 struct rte_flow_error error;
7123 uint32_t flow_idx = flow_list_create(dev, MLX5_FLOW_TYPE_CTL,
7124 &attr, items, actions,
7135 * @see rte_flow_destroy()
7139 mlx5_flow_destroy(struct rte_eth_dev *dev,
7140 struct rte_flow *flow,
7141 struct rte_flow_error *error __rte_unused)
7143 flow_list_destroy(dev, MLX5_FLOW_TYPE_GEN,
7144 (uintptr_t)(void *)flow);
7149 * Destroy all flows.
7151 * @see rte_flow_flush()
7155 mlx5_flow_flush(struct rte_eth_dev *dev,
7156 struct rte_flow_error *error __rte_unused)
7158 mlx5_flow_list_flush(dev, MLX5_FLOW_TYPE_GEN, false);
7165 * @see rte_flow_isolate()
7169 mlx5_flow_isolate(struct rte_eth_dev *dev,
7171 struct rte_flow_error *error)
7173 struct mlx5_priv *priv = dev->data->dev_private;
7175 if (dev->data->dev_started) {
7176 rte_flow_error_set(error, EBUSY,
7177 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
7179 "port must be stopped first");
7182 priv->isolated = !!enable;
7184 dev->dev_ops = &mlx5_dev_ops_isolate;
7186 dev->dev_ops = &mlx5_dev_ops;
7188 dev->rx_descriptor_status = mlx5_rx_descriptor_status;
7189 dev->tx_descriptor_status = mlx5_tx_descriptor_status;
7197 * @see rte_flow_query()
7201 flow_drv_query(struct rte_eth_dev *dev,
7203 const struct rte_flow_action *actions,
7205 struct rte_flow_error *error)
7207 struct mlx5_priv *priv = dev->data->dev_private;
7208 const struct mlx5_flow_driver_ops *fops;
7209 struct rte_flow *flow = mlx5_ipool_get(priv->flows[MLX5_FLOW_TYPE_GEN],
7211 enum mlx5_flow_drv_type ftype;
7214 return rte_flow_error_set(error, ENOENT,
7215 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
7217 "invalid flow handle");
7219 ftype = flow->drv_type;
7220 MLX5_ASSERT(ftype > MLX5_FLOW_TYPE_MIN && ftype < MLX5_FLOW_TYPE_MAX);
7221 fops = flow_get_drv_ops(ftype);
7223 return fops->query(dev, flow, actions, data, error);
7229 * @see rte_flow_query()
7233 mlx5_flow_query(struct rte_eth_dev *dev,
7234 struct rte_flow *flow,
7235 const struct rte_flow_action *actions,
7237 struct rte_flow_error *error)
7241 ret = flow_drv_query(dev, (uintptr_t)(void *)flow, actions, data,
7249 * Get rte_flow callbacks.
7252 * Pointer to Ethernet device structure.
7254 * Pointer to operation-specific structure.
7259 mlx5_flow_ops_get(struct rte_eth_dev *dev __rte_unused,
7260 const struct rte_flow_ops **ops)
7262 *ops = &mlx5_flow_ops;
7267 * Validate meter policy actions.
7268 * Dispatcher for action type specific validation.
7271 * Pointer to the Ethernet device structure.
7273 * The meter policy action object to validate.
7275 * Attributes of flow to determine steering domain.
7276 * @param[out] is_rss
7278 * @param[out] domain_bitmap
7280 * @param[out] is_def_policy
7281 * Is default policy or not.
7283 * Perform verbose error reporting if not NULL. Initialized in case of
7287 * 0 on success, otherwise negative errno value.
7290 mlx5_flow_validate_mtr_acts(struct rte_eth_dev *dev,
7291 const struct rte_flow_action *actions[RTE_COLORS],
7292 struct rte_flow_attr *attr,
7294 uint8_t *domain_bitmap,
7295 uint8_t *policy_mode,
7296 struct rte_mtr_error *error)
7298 const struct mlx5_flow_driver_ops *fops;
7300 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7301 return fops->validate_mtr_acts(dev, actions, attr, is_rss,
7302 domain_bitmap, policy_mode, error);
7306 * Destroy the meter table set.
7309 * Pointer to Ethernet device.
7310 * @param[in] mtr_policy
7311 * Meter policy struct.
7314 mlx5_flow_destroy_mtr_acts(struct rte_eth_dev *dev,
7315 struct mlx5_flow_meter_policy *mtr_policy)
7317 const struct mlx5_flow_driver_ops *fops;
7319 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7320 fops->destroy_mtr_acts(dev, mtr_policy);
7324 * Create policy action, lock free,
7325 * (mutex should be acquired by caller).
7326 * Dispatcher for action type specific call.
7329 * Pointer to the Ethernet device structure.
7330 * @param[in] mtr_policy
7331 * Meter policy struct.
7333 * Action specification used to create meter actions.
7335 * Perform verbose error reporting if not NULL. Initialized in case of
7339 * 0 on success, otherwise negative errno value.
7342 mlx5_flow_create_mtr_acts(struct rte_eth_dev *dev,
7343 struct mlx5_flow_meter_policy *mtr_policy,
7344 const struct rte_flow_action *actions[RTE_COLORS],
7345 struct rte_mtr_error *error)
7347 const struct mlx5_flow_driver_ops *fops;
7349 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7350 return fops->create_mtr_acts(dev, mtr_policy, actions, error);
7354 * Create policy rules, lock free,
7355 * (mutex should be acquired by caller).
7356 * Dispatcher for action type specific call.
7359 * Pointer to the Ethernet device structure.
7360 * @param[in] mtr_policy
7361 * Meter policy struct.
7364 * 0 on success, -1 otherwise.
7367 mlx5_flow_create_policy_rules(struct rte_eth_dev *dev,
7368 struct mlx5_flow_meter_policy *mtr_policy)
7370 const struct mlx5_flow_driver_ops *fops;
7372 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7373 return fops->create_policy_rules(dev, mtr_policy);
7377 * Destroy policy rules, lock free,
7378 * (mutex should be acquired by caller).
7379 * Dispatcher for action type specific call.
7382 * Pointer to the Ethernet device structure.
7383 * @param[in] mtr_policy
7384 * Meter policy struct.
7387 mlx5_flow_destroy_policy_rules(struct rte_eth_dev *dev,
7388 struct mlx5_flow_meter_policy *mtr_policy)
7390 const struct mlx5_flow_driver_ops *fops;
7392 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7393 fops->destroy_policy_rules(dev, mtr_policy);
7397 * Destroy the default policy table set.
7400 * Pointer to Ethernet device.
7403 mlx5_flow_destroy_def_policy(struct rte_eth_dev *dev)
7405 const struct mlx5_flow_driver_ops *fops;
7407 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7408 fops->destroy_def_policy(dev);
7412 * Destroy the default policy table set.
7415 * Pointer to Ethernet device.
7418 * 0 on success, -1 otherwise.
7421 mlx5_flow_create_def_policy(struct rte_eth_dev *dev)
7423 const struct mlx5_flow_driver_ops *fops;
7425 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7426 return fops->create_def_policy(dev);
7430 * Create the needed meter and suffix tables.
7433 * Pointer to Ethernet device.
7436 * 0 on success, -1 otherwise.
7439 mlx5_flow_create_mtr_tbls(struct rte_eth_dev *dev,
7440 struct mlx5_flow_meter_info *fm,
7442 uint8_t domain_bitmap)
7444 const struct mlx5_flow_driver_ops *fops;
7446 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7447 return fops->create_mtr_tbls(dev, fm, mtr_idx, domain_bitmap);
7451 * Destroy the meter table set.
7454 * Pointer to Ethernet device.
7456 * Pointer to the meter table set.
7459 mlx5_flow_destroy_mtr_tbls(struct rte_eth_dev *dev,
7460 struct mlx5_flow_meter_info *fm)
7462 const struct mlx5_flow_driver_ops *fops;
7464 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7465 fops->destroy_mtr_tbls(dev, fm);
7469 * Destroy the global meter drop table.
7472 * Pointer to Ethernet device.
7475 mlx5_flow_destroy_mtr_drop_tbls(struct rte_eth_dev *dev)
7477 const struct mlx5_flow_driver_ops *fops;
7479 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7480 fops->destroy_mtr_drop_tbls(dev);
7484 * Destroy the sub policy table with RX queue.
7487 * Pointer to Ethernet device.
7488 * @param[in] mtr_policy
7489 * Pointer to meter policy table.
7492 mlx5_flow_destroy_sub_policy_with_rxq(struct rte_eth_dev *dev,
7493 struct mlx5_flow_meter_policy *mtr_policy)
7495 const struct mlx5_flow_driver_ops *fops;
7497 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7498 fops->destroy_sub_policy_with_rxq(dev, mtr_policy);
7502 * Allocate the needed aso flow meter id.
7505 * Pointer to Ethernet device.
7508 * Index to aso flow meter on success, NULL otherwise.
7511 mlx5_flow_mtr_alloc(struct rte_eth_dev *dev)
7513 const struct mlx5_flow_driver_ops *fops;
7515 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7516 return fops->create_meter(dev);
7520 * Free the aso flow meter id.
7523 * Pointer to Ethernet device.
7524 * @param[in] mtr_idx
7525 * Index to aso flow meter to be free.
7531 mlx5_flow_mtr_free(struct rte_eth_dev *dev, uint32_t mtr_idx)
7533 const struct mlx5_flow_driver_ops *fops;
7535 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7536 fops->free_meter(dev, mtr_idx);
7540 * Allocate a counter.
7543 * Pointer to Ethernet device structure.
7546 * Index to allocated counter on success, 0 otherwise.
7549 mlx5_counter_alloc(struct rte_eth_dev *dev)
7551 const struct mlx5_flow_driver_ops *fops;
7552 struct rte_flow_attr attr = { .transfer = 0 };
7554 if (flow_get_drv_type(dev, &attr) == MLX5_FLOW_TYPE_DV) {
7555 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7556 return fops->counter_alloc(dev);
7559 "port %u counter allocate is not supported.",
7560 dev->data->port_id);
7568 * Pointer to Ethernet device structure.
7570 * Index to counter to be free.
7573 mlx5_counter_free(struct rte_eth_dev *dev, uint32_t cnt)
7575 const struct mlx5_flow_driver_ops *fops;
7576 struct rte_flow_attr attr = { .transfer = 0 };
7578 if (flow_get_drv_type(dev, &attr) == MLX5_FLOW_TYPE_DV) {
7579 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7580 fops->counter_free(dev, cnt);
7584 "port %u counter free is not supported.",
7585 dev->data->port_id);
7589 * Query counter statistics.
7592 * Pointer to Ethernet device structure.
7594 * Index to counter to query.
7596 * Set to clear counter statistics.
7598 * The counter hits packets number to save.
7600 * The counter hits bytes number to save.
7603 * 0 on success, a negative errno value otherwise.
7606 mlx5_counter_query(struct rte_eth_dev *dev, uint32_t cnt,
7607 bool clear, uint64_t *pkts, uint64_t *bytes)
7609 const struct mlx5_flow_driver_ops *fops;
7610 struct rte_flow_attr attr = { .transfer = 0 };
7612 if (flow_get_drv_type(dev, &attr) == MLX5_FLOW_TYPE_DV) {
7613 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7614 return fops->counter_query(dev, cnt, clear, pkts, bytes);
7617 "port %u counter query is not supported.",
7618 dev->data->port_id);
7623 * Allocate a new memory for the counter values wrapped by all the needed
7627 * Pointer to mlx5_dev_ctx_shared object.
7630 * 0 on success, a negative errno value otherwise.
7633 mlx5_flow_create_counter_stat_mem_mng(struct mlx5_dev_ctx_shared *sh)
7635 struct mlx5_devx_mkey_attr mkey_attr;
7636 struct mlx5_counter_stats_mem_mng *mem_mng;
7637 volatile struct flow_counter_stats *raw_data;
7638 int raws_n = MLX5_CNT_CONTAINER_RESIZE + MLX5_MAX_PENDING_QUERIES;
7639 int size = (sizeof(struct flow_counter_stats) *
7640 MLX5_COUNTERS_PER_POOL +
7641 sizeof(struct mlx5_counter_stats_raw)) * raws_n +
7642 sizeof(struct mlx5_counter_stats_mem_mng);
7643 size_t pgsize = rte_mem_page_size();
7647 if (pgsize == (size_t)-1) {
7648 DRV_LOG(ERR, "Failed to get mem page size");
7652 mem = mlx5_malloc(MLX5_MEM_ZERO, size, pgsize, SOCKET_ID_ANY);
7657 mem_mng = (struct mlx5_counter_stats_mem_mng *)(mem + size) - 1;
7658 size = sizeof(*raw_data) * MLX5_COUNTERS_PER_POOL * raws_n;
7659 mem_mng->umem = mlx5_os_umem_reg(sh->cdev->ctx, mem, size,
7660 IBV_ACCESS_LOCAL_WRITE);
7661 if (!mem_mng->umem) {
7666 memset(&mkey_attr, 0, sizeof(mkey_attr));
7667 mkey_attr.addr = (uintptr_t)mem;
7668 mkey_attr.size = size;
7669 mkey_attr.umem_id = mlx5_os_get_umem_id(mem_mng->umem);
7670 mkey_attr.pd = sh->cdev->pdn;
7671 mkey_attr.relaxed_ordering_write = sh->cmng.relaxed_ordering_write;
7672 mkey_attr.relaxed_ordering_read = sh->cmng.relaxed_ordering_read;
7673 mem_mng->dm = mlx5_devx_cmd_mkey_create(sh->cdev->ctx, &mkey_attr);
7675 mlx5_os_umem_dereg(mem_mng->umem);
7680 mem_mng->raws = (struct mlx5_counter_stats_raw *)(mem + size);
7681 raw_data = (volatile struct flow_counter_stats *)mem;
7682 for (i = 0; i < raws_n; ++i) {
7683 mem_mng->raws[i].mem_mng = mem_mng;
7684 mem_mng->raws[i].data = raw_data + i * MLX5_COUNTERS_PER_POOL;
7686 for (i = 0; i < MLX5_MAX_PENDING_QUERIES; ++i)
7687 LIST_INSERT_HEAD(&sh->cmng.free_stat_raws,
7688 mem_mng->raws + MLX5_CNT_CONTAINER_RESIZE + i,
7690 LIST_INSERT_HEAD(&sh->cmng.mem_mngs, mem_mng, next);
7691 sh->cmng.mem_mng = mem_mng;
7696 * Set the statistic memory to the new counter pool.
7699 * Pointer to mlx5_dev_ctx_shared object.
7701 * Pointer to the pool to set the statistic memory.
7704 * 0 on success, a negative errno value otherwise.
7707 mlx5_flow_set_counter_stat_mem(struct mlx5_dev_ctx_shared *sh,
7708 struct mlx5_flow_counter_pool *pool)
7710 struct mlx5_flow_counter_mng *cmng = &sh->cmng;
7711 /* Resize statistic memory once used out. */
7712 if (!(pool->index % MLX5_CNT_CONTAINER_RESIZE) &&
7713 mlx5_flow_create_counter_stat_mem_mng(sh)) {
7714 DRV_LOG(ERR, "Cannot resize counter stat mem.");
7717 rte_spinlock_lock(&pool->sl);
7718 pool->raw = cmng->mem_mng->raws + pool->index %
7719 MLX5_CNT_CONTAINER_RESIZE;
7720 rte_spinlock_unlock(&pool->sl);
7721 pool->raw_hw = NULL;
7725 #define MLX5_POOL_QUERY_FREQ_US 1000000
7728 * Set the periodic procedure for triggering asynchronous batch queries for all
7729 * the counter pools.
7732 * Pointer to mlx5_dev_ctx_shared object.
7735 mlx5_set_query_alarm(struct mlx5_dev_ctx_shared *sh)
7737 uint32_t pools_n, us;
7739 pools_n = __atomic_load_n(&sh->cmng.n_valid, __ATOMIC_RELAXED);
7740 us = MLX5_POOL_QUERY_FREQ_US / pools_n;
7741 DRV_LOG(DEBUG, "Set alarm for %u pools each %u us", pools_n, us);
7742 if (rte_eal_alarm_set(us, mlx5_flow_query_alarm, sh)) {
7743 sh->cmng.query_thread_on = 0;
7744 DRV_LOG(ERR, "Cannot reinitialize query alarm");
7746 sh->cmng.query_thread_on = 1;
7751 * The periodic procedure for triggering asynchronous batch queries for all the
7752 * counter pools. This function is probably called by the host thread.
7755 * The parameter for the alarm process.
7758 mlx5_flow_query_alarm(void *arg)
7760 struct mlx5_dev_ctx_shared *sh = arg;
7762 uint16_t pool_index = sh->cmng.pool_index;
7763 struct mlx5_flow_counter_mng *cmng = &sh->cmng;
7764 struct mlx5_flow_counter_pool *pool;
7767 if (sh->cmng.pending_queries >= MLX5_MAX_PENDING_QUERIES)
7769 rte_spinlock_lock(&cmng->pool_update_sl);
7770 pool = cmng->pools[pool_index];
7771 n_valid = cmng->n_valid;
7772 rte_spinlock_unlock(&cmng->pool_update_sl);
7773 /* Set the statistic memory to the new created pool. */
7774 if ((!pool->raw && mlx5_flow_set_counter_stat_mem(sh, pool)))
7777 /* There is a pool query in progress. */
7780 LIST_FIRST(&sh->cmng.free_stat_raws);
7782 /* No free counter statistics raw memory. */
7785 * Identify the counters released between query trigger and query
7786 * handle more efficiently. The counter released in this gap period
7787 * should wait for a new round of query as the new arrived packets
7788 * will not be taken into account.
7791 ret = mlx5_devx_cmd_flow_counter_query(pool->min_dcs, 0,
7792 MLX5_COUNTERS_PER_POOL,
7794 pool->raw_hw->mem_mng->dm->id,
7798 (uint64_t)(uintptr_t)pool);
7800 DRV_LOG(ERR, "Failed to trigger asynchronous query for dcs ID"
7801 " %d", pool->min_dcs->id);
7802 pool->raw_hw = NULL;
7805 LIST_REMOVE(pool->raw_hw, next);
7806 sh->cmng.pending_queries++;
7808 if (pool_index >= n_valid)
7811 sh->cmng.pool_index = pool_index;
7812 mlx5_set_query_alarm(sh);
7816 * Check and callback event for new aged flow in the counter pool
7819 * Pointer to mlx5_dev_ctx_shared object.
7821 * Pointer to Current counter pool.
7824 mlx5_flow_aging_check(struct mlx5_dev_ctx_shared *sh,
7825 struct mlx5_flow_counter_pool *pool)
7827 struct mlx5_priv *priv;
7828 struct mlx5_flow_counter *cnt;
7829 struct mlx5_age_info *age_info;
7830 struct mlx5_age_param *age_param;
7831 struct mlx5_counter_stats_raw *cur = pool->raw_hw;
7832 struct mlx5_counter_stats_raw *prev = pool->raw;
7833 const uint64_t curr_time = MLX5_CURR_TIME_SEC;
7834 const uint32_t time_delta = curr_time - pool->time_of_last_age_check;
7835 uint16_t expected = AGE_CANDIDATE;
7838 pool->time_of_last_age_check = curr_time;
7839 for (i = 0; i < MLX5_COUNTERS_PER_POOL; ++i) {
7840 cnt = MLX5_POOL_GET_CNT(pool, i);
7841 age_param = MLX5_CNT_TO_AGE(cnt);
7842 if (__atomic_load_n(&age_param->state,
7843 __ATOMIC_RELAXED) != AGE_CANDIDATE)
7845 if (cur->data[i].hits != prev->data[i].hits) {
7846 __atomic_store_n(&age_param->sec_since_last_hit, 0,
7850 if (__atomic_add_fetch(&age_param->sec_since_last_hit,
7852 __ATOMIC_RELAXED) <= age_param->timeout)
7855 * Hold the lock first, or if between the
7856 * state AGE_TMOUT and tailq operation the
7857 * release happened, the release procedure
7858 * may delete a non-existent tailq node.
7860 priv = rte_eth_devices[age_param->port_id].data->dev_private;
7861 age_info = GET_PORT_AGE_INFO(priv);
7862 rte_spinlock_lock(&age_info->aged_sl);
7863 if (__atomic_compare_exchange_n(&age_param->state, &expected,
7866 __ATOMIC_RELAXED)) {
7867 TAILQ_INSERT_TAIL(&age_info->aged_counters, cnt, next);
7868 MLX5_AGE_SET(age_info, MLX5_AGE_EVENT_NEW);
7870 rte_spinlock_unlock(&age_info->aged_sl);
7872 mlx5_age_event_prepare(sh);
7876 * Handler for the HW respond about ready values from an asynchronous batch
7877 * query. This function is probably called by the host thread.
7880 * The pointer to the shared device context.
7881 * @param[in] async_id
7882 * The Devx async ID.
7884 * The status of the completion.
7887 mlx5_flow_async_pool_query_handle(struct mlx5_dev_ctx_shared *sh,
7888 uint64_t async_id, int status)
7890 struct mlx5_flow_counter_pool *pool =
7891 (struct mlx5_flow_counter_pool *)(uintptr_t)async_id;
7892 struct mlx5_counter_stats_raw *raw_to_free;
7893 uint8_t query_gen = pool->query_gen ^ 1;
7894 struct mlx5_flow_counter_mng *cmng = &sh->cmng;
7895 enum mlx5_counter_type cnt_type =
7896 pool->is_aged ? MLX5_COUNTER_TYPE_AGE :
7897 MLX5_COUNTER_TYPE_ORIGIN;
7899 if (unlikely(status)) {
7900 raw_to_free = pool->raw_hw;
7902 raw_to_free = pool->raw;
7904 mlx5_flow_aging_check(sh, pool);
7905 rte_spinlock_lock(&pool->sl);
7906 pool->raw = pool->raw_hw;
7907 rte_spinlock_unlock(&pool->sl);
7908 /* Be sure the new raw counters data is updated in memory. */
7910 if (!TAILQ_EMPTY(&pool->counters[query_gen])) {
7911 rte_spinlock_lock(&cmng->csl[cnt_type]);
7912 TAILQ_CONCAT(&cmng->counters[cnt_type],
7913 &pool->counters[query_gen], next);
7914 rte_spinlock_unlock(&cmng->csl[cnt_type]);
7917 LIST_INSERT_HEAD(&sh->cmng.free_stat_raws, raw_to_free, next);
7918 pool->raw_hw = NULL;
7919 sh->cmng.pending_queries--;
7923 flow_group_to_table(uint32_t port_id, uint32_t group, uint32_t *table,
7924 const struct flow_grp_info *grp_info,
7925 struct rte_flow_error *error)
7927 if (grp_info->transfer && grp_info->external &&
7928 grp_info->fdb_def_rule) {
7929 if (group == UINT32_MAX)
7930 return rte_flow_error_set
7932 RTE_FLOW_ERROR_TYPE_ATTR_GROUP,
7934 "group index not supported");
7939 DRV_LOG(DEBUG, "port %u group=%#x table=%#x", port_id, group, *table);
7944 * Translate the rte_flow group index to HW table value.
7946 * If tunnel offload is disabled, all group ids converted to flow table
7947 * id using the standard method.
7948 * If tunnel offload is enabled, group id can be converted using the
7949 * standard or tunnel conversion method. Group conversion method
7950 * selection depends on flags in `grp_info` parameter:
7951 * - Internal (grp_info.external == 0) groups conversion uses the
7953 * - Group ids in JUMP action converted with the tunnel conversion.
7954 * - Group id in rule attribute conversion depends on a rule type and
7956 * ** non zero group attributes converted with the tunnel method
7957 * ** zero group attribute in non-tunnel rule is converted using the
7958 * standard method - there's only one root table
7959 * ** zero group attribute in steer tunnel rule is converted with the
7960 * standard method - single root table
7961 * ** zero group attribute in match tunnel rule is a special OvS
7962 * case: that value is used for portability reasons. That group
7963 * id is converted with the tunnel conversion method.
7968 * PMD tunnel offload object
7970 * rte_flow group index value.
7973 * @param[in] grp_info
7974 * flags used for conversion
7976 * Pointer to error structure.
7979 * 0 on success, a negative errno value otherwise and rte_errno is set.
7982 mlx5_flow_group_to_table(struct rte_eth_dev *dev,
7983 const struct mlx5_flow_tunnel *tunnel,
7984 uint32_t group, uint32_t *table,
7985 const struct flow_grp_info *grp_info,
7986 struct rte_flow_error *error)
7989 bool standard_translation;
7991 if (!grp_info->skip_scale && grp_info->external &&
7992 group < MLX5_MAX_TABLES_EXTERNAL)
7993 group *= MLX5_FLOW_TABLE_FACTOR;
7994 if (is_tunnel_offload_active(dev)) {
7995 standard_translation = !grp_info->external ||
7996 grp_info->std_tbl_fix;
7998 standard_translation = true;
8001 "port %u group=%u transfer=%d external=%d fdb_def_rule=%d translate=%s",
8002 dev->data->port_id, group, grp_info->transfer,
8003 grp_info->external, grp_info->fdb_def_rule,
8004 standard_translation ? "STANDARD" : "TUNNEL");
8005 if (standard_translation)
8006 ret = flow_group_to_table(dev->data->port_id, group, table,
8009 ret = tunnel_flow_group_to_flow_table(dev, tunnel, group,
8016 * Discover availability of metadata reg_c's.
8018 * Iteratively use test flows to check availability.
8021 * Pointer to the Ethernet device structure.
8024 * 0 on success, a negative errno value otherwise and rte_errno is set.
8027 mlx5_flow_discover_mreg_c(struct rte_eth_dev *dev)
8029 struct mlx5_priv *priv = dev->data->dev_private;
8030 struct mlx5_dev_config *config = &priv->config;
8031 enum modify_reg idx;
8034 /* reg_c[0] and reg_c[1] are reserved. */
8035 config->flow_mreg_c[n++] = REG_C_0;
8036 config->flow_mreg_c[n++] = REG_C_1;
8037 /* Discover availability of other reg_c's. */
8038 for (idx = REG_C_2; idx <= REG_C_7; ++idx) {
8039 struct rte_flow_attr attr = {
8040 .group = MLX5_FLOW_MREG_CP_TABLE_GROUP,
8041 .priority = MLX5_FLOW_LOWEST_PRIO_INDICATOR,
8044 struct rte_flow_item items[] = {
8046 .type = RTE_FLOW_ITEM_TYPE_END,
8049 struct rte_flow_action actions[] = {
8051 .type = (enum rte_flow_action_type)
8052 MLX5_RTE_FLOW_ACTION_TYPE_COPY_MREG,
8053 .conf = &(struct mlx5_flow_action_copy_mreg){
8059 .type = RTE_FLOW_ACTION_TYPE_JUMP,
8060 .conf = &(struct rte_flow_action_jump){
8061 .group = MLX5_FLOW_MREG_ACT_TABLE_GROUP,
8065 .type = RTE_FLOW_ACTION_TYPE_END,
8069 struct rte_flow *flow;
8070 struct rte_flow_error error;
8072 if (!config->dv_flow_en)
8074 /* Create internal flow, validation skips copy action. */
8075 flow_idx = flow_list_create(dev, MLX5_FLOW_TYPE_GEN, &attr,
8076 items, actions, false, &error);
8077 flow = mlx5_ipool_get(priv->flows[MLX5_FLOW_TYPE_GEN],
8081 config->flow_mreg_c[n++] = idx;
8082 flow_list_destroy(dev, MLX5_FLOW_TYPE_GEN, flow_idx);
8084 for (; n < MLX5_MREG_C_NUM; ++n)
8085 config->flow_mreg_c[n] = REG_NON;
8090 save_dump_file(const uint8_t *data, uint32_t size,
8091 uint32_t type, uint32_t id, void *arg, FILE *file)
8093 char line[BUF_SIZE];
8096 uint32_t actions_num;
8097 struct rte_flow_query_count *count;
8099 memset(line, 0, BUF_SIZE);
8101 case DR_DUMP_REC_TYPE_PMD_MODIFY_HDR:
8102 actions_num = *(uint32_t *)(arg);
8103 out += snprintf(line + out, BUF_SIZE - out, "%d,0x%x,%d,",
8104 type, id, actions_num);
8106 case DR_DUMP_REC_TYPE_PMD_PKT_REFORMAT:
8107 out += snprintf(line + out, BUF_SIZE - out, "%d,0x%x,",
8110 case DR_DUMP_REC_TYPE_PMD_COUNTER:
8111 count = (struct rte_flow_query_count *)arg;
8112 fprintf(file, "%d,0x%x,%" PRIu64 ",%" PRIu64 "\n", type,
8113 id, count->hits, count->bytes);
8119 for (k = 0; k < size; k++) {
8120 /* Make sure we do not overrun the line buffer length. */
8121 if (out >= BUF_SIZE - 4) {
8125 out += snprintf(line + out, BUF_SIZE - out, "%02x",
8128 fprintf(file, "%s\n", line);
8133 mlx5_flow_query_counter(struct rte_eth_dev *dev, struct rte_flow *flow,
8134 struct rte_flow_query_count *count, struct rte_flow_error *error)
8136 struct rte_flow_action action[2];
8137 enum mlx5_flow_drv_type ftype;
8138 const struct mlx5_flow_driver_ops *fops;
8141 return rte_flow_error_set(error, ENOENT,
8142 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
8144 "invalid flow handle");
8146 action[0].type = RTE_FLOW_ACTION_TYPE_COUNT;
8147 action[1].type = RTE_FLOW_ACTION_TYPE_END;
8148 if (flow->counter) {
8149 memset(count, 0, sizeof(struct rte_flow_query_count));
8150 ftype = (enum mlx5_flow_drv_type)(flow->drv_type);
8151 MLX5_ASSERT(ftype > MLX5_FLOW_TYPE_MIN &&
8152 ftype < MLX5_FLOW_TYPE_MAX);
8153 fops = flow_get_drv_ops(ftype);
8154 return fops->query(dev, flow, action, count, error);
8159 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
8161 * Dump flow ipool data to file
8164 * The pointer to Ethernet device.
8166 * A pointer to a file for output.
8168 * Perform verbose error reporting if not NULL. PMDs initialize this
8169 * structure in case of error only.
8171 * 0 on success, a negative value otherwise.
8174 mlx5_flow_dev_dump_ipool(struct rte_eth_dev *dev,
8175 struct rte_flow *flow, FILE *file,
8176 struct rte_flow_error *error)
8178 struct mlx5_priv *priv = dev->data->dev_private;
8179 struct mlx5_flow_dv_modify_hdr_resource *modify_hdr;
8180 struct mlx5_flow_dv_encap_decap_resource *encap_decap;
8181 uint32_t handle_idx;
8182 struct mlx5_flow_handle *dh;
8183 struct rte_flow_query_count count;
8184 uint32_t actions_num;
8185 const uint8_t *data;
8191 return rte_flow_error_set(error, ENOENT,
8192 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
8194 "invalid flow handle");
8196 handle_idx = flow->dev_handles;
8197 while (handle_idx) {
8198 dh = mlx5_ipool_get(priv->sh->ipool
8199 [MLX5_IPOOL_MLX5_FLOW], handle_idx);
8202 handle_idx = dh->next.next;
8203 id = (uint32_t)(uintptr_t)dh->drv_flow;
8206 type = DR_DUMP_REC_TYPE_PMD_COUNTER;
8207 if (!mlx5_flow_query_counter(dev, flow, &count, error))
8208 save_dump_file(NULL, 0, type,
8209 id, (void *)&count, file);
8211 /* Get modify_hdr and encap_decap buf from ipools. */
8213 modify_hdr = dh->dvh.modify_hdr;
8215 if (dh->dvh.rix_encap_decap) {
8216 encap_decap = mlx5_ipool_get(priv->sh->ipool
8217 [MLX5_IPOOL_DECAP_ENCAP],
8218 dh->dvh.rix_encap_decap);
8221 data = (const uint8_t *)modify_hdr->actions;
8222 size = (size_t)(modify_hdr->actions_num) * 8;
8223 actions_num = modify_hdr->actions_num;
8224 type = DR_DUMP_REC_TYPE_PMD_MODIFY_HDR;
8225 save_dump_file(data, size, type, id,
8226 (void *)(&actions_num), file);
8229 data = encap_decap->buf;
8230 size = encap_decap->size;
8231 type = DR_DUMP_REC_TYPE_PMD_PKT_REFORMAT;
8232 save_dump_file(data, size, type,
8241 * Dump flow raw hw data to file
8244 * The pointer to Ethernet device.
8246 * A pointer to a file for output.
8248 * Perform verbose error reporting if not NULL. PMDs initialize this
8249 * structure in case of error only.
8251 * 0 on success, a nagative value otherwise.
8254 mlx5_flow_dev_dump(struct rte_eth_dev *dev, struct rte_flow *flow_idx,
8256 struct rte_flow_error *error __rte_unused)
8258 struct mlx5_priv *priv = dev->data->dev_private;
8259 struct mlx5_dev_ctx_shared *sh = priv->sh;
8260 uint32_t handle_idx;
8262 struct mlx5_flow_handle *dh;
8263 struct rte_flow *flow;
8264 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
8268 if (!priv->config.dv_flow_en) {
8269 if (fputs("device dv flow disabled\n", file) <= 0)
8276 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
8277 MLX5_IPOOL_FOREACH(priv->flows[MLX5_FLOW_TYPE_GEN], idx, flow)
8278 mlx5_flow_dev_dump_ipool(dev, flow, file, error);
8280 return mlx5_devx_cmd_flow_dump(sh->fdb_domain,
8282 sh->tx_domain, file);
8285 flow = mlx5_ipool_get(priv->flows[MLX5_FLOW_TYPE_GEN],
8286 (uintptr_t)(void *)flow_idx);
8290 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
8291 mlx5_flow_dev_dump_ipool(dev, flow, file, error);
8293 handle_idx = flow->dev_handles;
8294 while (handle_idx) {
8295 dh = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_MLX5_FLOW],
8300 ret = mlx5_devx_cmd_flow_single_dump(dh->drv_flow,
8305 handle_idx = dh->next.next;
8311 * Get aged-out flows.
8314 * Pointer to the Ethernet device structure.
8315 * @param[in] context
8316 * The address of an array of pointers to the aged-out flows contexts.
8317 * @param[in] nb_countexts
8318 * The length of context array pointers.
8320 * Perform verbose error reporting if not NULL. Initialized in case of
8324 * how many contexts get in success, otherwise negative errno value.
8325 * if nb_contexts is 0, return the amount of all aged contexts.
8326 * if nb_contexts is not 0 , return the amount of aged flows reported
8327 * in the context array.
8330 mlx5_flow_get_aged_flows(struct rte_eth_dev *dev, void **contexts,
8331 uint32_t nb_contexts, struct rte_flow_error *error)
8333 const struct mlx5_flow_driver_ops *fops;
8334 struct rte_flow_attr attr = { .transfer = 0 };
8336 if (flow_get_drv_type(dev, &attr) == MLX5_FLOW_TYPE_DV) {
8337 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
8338 return fops->get_aged_flows(dev, contexts, nb_contexts,
8342 "port %u get aged flows is not supported.",
8343 dev->data->port_id);
8347 /* Wrapper for driver action_validate op callback */
8349 flow_drv_action_validate(struct rte_eth_dev *dev,
8350 const struct rte_flow_indir_action_conf *conf,
8351 const struct rte_flow_action *action,
8352 const struct mlx5_flow_driver_ops *fops,
8353 struct rte_flow_error *error)
8355 static const char err_msg[] = "indirect action validation unsupported";
8357 if (!fops->action_validate) {
8358 DRV_LOG(ERR, "port %u %s.", dev->data->port_id, err_msg);
8359 rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
8363 return fops->action_validate(dev, conf, action, error);
8367 * Destroys the shared action by handle.
8370 * Pointer to Ethernet device structure.
8372 * Handle for the indirect action object to be destroyed.
8374 * Perform verbose error reporting if not NULL. PMDs initialize this
8375 * structure in case of error only.
8378 * 0 on success, a negative errno value otherwise and rte_errno is set.
8380 * @note: wrapper for driver action_create op callback.
8383 mlx5_action_handle_destroy(struct rte_eth_dev *dev,
8384 struct rte_flow_action_handle *handle,
8385 struct rte_flow_error *error)
8387 static const char err_msg[] = "indirect action destruction unsupported";
8388 struct rte_flow_attr attr = { .transfer = 0 };
8389 const struct mlx5_flow_driver_ops *fops =
8390 flow_get_drv_ops(flow_get_drv_type(dev, &attr));
8392 if (!fops->action_destroy) {
8393 DRV_LOG(ERR, "port %u %s.", dev->data->port_id, err_msg);
8394 rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
8398 return fops->action_destroy(dev, handle, error);
8401 /* Wrapper for driver action_destroy op callback */
8403 flow_drv_action_update(struct rte_eth_dev *dev,
8404 struct rte_flow_action_handle *handle,
8406 const struct mlx5_flow_driver_ops *fops,
8407 struct rte_flow_error *error)
8409 static const char err_msg[] = "indirect action update unsupported";
8411 if (!fops->action_update) {
8412 DRV_LOG(ERR, "port %u %s.", dev->data->port_id, err_msg);
8413 rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
8417 return fops->action_update(dev, handle, update, error);
8420 /* Wrapper for driver action_destroy op callback */
8422 flow_drv_action_query(struct rte_eth_dev *dev,
8423 const struct rte_flow_action_handle *handle,
8425 const struct mlx5_flow_driver_ops *fops,
8426 struct rte_flow_error *error)
8428 static const char err_msg[] = "indirect action query unsupported";
8430 if (!fops->action_query) {
8431 DRV_LOG(ERR, "port %u %s.", dev->data->port_id, err_msg);
8432 rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
8436 return fops->action_query(dev, handle, data, error);
8440 * Create indirect action for reuse in multiple flow rules.
8443 * Pointer to Ethernet device structure.
8445 * Pointer to indirect action object configuration.
8447 * Action configuration for indirect action object creation.
8449 * Perform verbose error reporting if not NULL. PMDs initialize this
8450 * structure in case of error only.
8452 * A valid handle in case of success, NULL otherwise and rte_errno is set.
8454 static struct rte_flow_action_handle *
8455 mlx5_action_handle_create(struct rte_eth_dev *dev,
8456 const struct rte_flow_indir_action_conf *conf,
8457 const struct rte_flow_action *action,
8458 struct rte_flow_error *error)
8460 static const char err_msg[] = "indirect action creation unsupported";
8461 struct rte_flow_attr attr = { .transfer = 0 };
8462 const struct mlx5_flow_driver_ops *fops =
8463 flow_get_drv_ops(flow_get_drv_type(dev, &attr));
8465 if (flow_drv_action_validate(dev, conf, action, fops, error))
8467 if (!fops->action_create) {
8468 DRV_LOG(ERR, "port %u %s.", dev->data->port_id, err_msg);
8469 rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
8473 return fops->action_create(dev, conf, action, error);
8477 * Updates inplace the indirect action configuration pointed by *handle*
8478 * with the configuration provided as *update* argument.
8479 * The update of the indirect action configuration effects all flow rules
8480 * reusing the action via handle.
8483 * Pointer to Ethernet device structure.
8485 * Handle for the indirect action to be updated.
8487 * Action specification used to modify the action pointed by handle.
8488 * *update* could be of same type with the action pointed by the *handle*
8489 * handle argument, or some other structures like a wrapper, depending on
8490 * the indirect action type.
8492 * Perform verbose error reporting if not NULL. PMDs initialize this
8493 * structure in case of error only.
8496 * 0 on success, a negative errno value otherwise and rte_errno is set.
8499 mlx5_action_handle_update(struct rte_eth_dev *dev,
8500 struct rte_flow_action_handle *handle,
8502 struct rte_flow_error *error)
8504 struct rte_flow_attr attr = { .transfer = 0 };
8505 const struct mlx5_flow_driver_ops *fops =
8506 flow_get_drv_ops(flow_get_drv_type(dev, &attr));
8509 ret = flow_drv_action_validate(dev, NULL,
8510 (const struct rte_flow_action *)update, fops, error);
8513 return flow_drv_action_update(dev, handle, update, fops,
8518 * Query the indirect action by handle.
8520 * This function allows retrieving action-specific data such as counters.
8521 * Data is gathered by special action which may be present/referenced in
8522 * more than one flow rule definition.
8524 * see @RTE_FLOW_ACTION_TYPE_COUNT
8527 * Pointer to Ethernet device structure.
8529 * Handle for the indirect action to query.
8530 * @param[in, out] data
8531 * Pointer to storage for the associated query data type.
8533 * Perform verbose error reporting if not NULL. PMDs initialize this
8534 * structure in case of error only.
8537 * 0 on success, a negative errno value otherwise and rte_errno is set.
8540 mlx5_action_handle_query(struct rte_eth_dev *dev,
8541 const struct rte_flow_action_handle *handle,
8543 struct rte_flow_error *error)
8545 struct rte_flow_attr attr = { .transfer = 0 };
8546 const struct mlx5_flow_driver_ops *fops =
8547 flow_get_drv_ops(flow_get_drv_type(dev, &attr));
8549 return flow_drv_action_query(dev, handle, data, fops, error);
8553 * Destroy all indirect actions (shared RSS).
8556 * Pointer to Ethernet device.
8559 * 0 on success, a negative errno value otherwise and rte_errno is set.
8562 mlx5_action_handle_flush(struct rte_eth_dev *dev)
8564 struct rte_flow_error error;
8565 struct mlx5_priv *priv = dev->data->dev_private;
8566 struct mlx5_shared_action_rss *shared_rss;
8570 ILIST_FOREACH(priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS],
8571 priv->rss_shared_actions, idx, shared_rss, next) {
8572 ret |= mlx5_action_handle_destroy(dev,
8573 (struct rte_flow_action_handle *)(uintptr_t)idx, &error);
8578 #ifndef HAVE_MLX5DV_DR
8579 #define MLX5_DOMAIN_SYNC_FLOW ((1 << 0) | (1 << 1))
8581 #define MLX5_DOMAIN_SYNC_FLOW \
8582 (MLX5DV_DR_DOMAIN_SYNC_FLAGS_SW | MLX5DV_DR_DOMAIN_SYNC_FLAGS_HW)
8585 int rte_pmd_mlx5_sync_flow(uint16_t port_id, uint32_t domains)
8587 struct rte_eth_dev *dev = &rte_eth_devices[port_id];
8588 const struct mlx5_flow_driver_ops *fops;
8590 struct rte_flow_attr attr = { .transfer = 0 };
8592 fops = flow_get_drv_ops(flow_get_drv_type(dev, &attr));
8593 ret = fops->sync_domain(dev, domains, MLX5_DOMAIN_SYNC_FLOW);
8599 const struct mlx5_flow_tunnel *
8600 mlx5_get_tof(const struct rte_flow_item *item,
8601 const struct rte_flow_action *action,
8602 enum mlx5_tof_rule_type *rule_type)
8604 for (; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
8605 if (item->type == (typeof(item->type))
8606 MLX5_RTE_FLOW_ITEM_TYPE_TUNNEL) {
8607 *rule_type = MLX5_TUNNEL_OFFLOAD_MATCH_RULE;
8608 return flow_items_to_tunnel(item);
8611 for (; action->conf != RTE_FLOW_ACTION_TYPE_END; action++) {
8612 if (action->type == (typeof(action->type))
8613 MLX5_RTE_FLOW_ACTION_TYPE_TUNNEL_SET) {
8614 *rule_type = MLX5_TUNNEL_OFFLOAD_SET_RULE;
8615 return flow_actions_to_tunnel(action);
8622 * tunnel offload functionalilty is defined for DV environment only
8624 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
8626 union tunnel_offload_mark {
8629 uint32_t app_reserve:8;
8630 uint32_t table_id:15;
8631 uint32_t transfer:1;
8632 uint32_t _unused_:8;
8637 mlx5_access_tunnel_offload_db
8638 (struct rte_eth_dev *dev,
8639 bool (*match)(struct rte_eth_dev *,
8640 struct mlx5_flow_tunnel *, const void *),
8641 void (*hit)(struct rte_eth_dev *, struct mlx5_flow_tunnel *, void *),
8642 void (*miss)(struct rte_eth_dev *, void *),
8643 void *ctx, bool lock_op);
8646 flow_tunnel_add_default_miss(struct rte_eth_dev *dev,
8647 struct rte_flow *flow,
8648 const struct rte_flow_attr *attr,
8649 const struct rte_flow_action *app_actions,
8651 const struct mlx5_flow_tunnel *tunnel,
8652 struct tunnel_default_miss_ctx *ctx,
8653 struct rte_flow_error *error)
8655 struct mlx5_priv *priv = dev->data->dev_private;
8656 struct mlx5_flow *dev_flow;
8657 struct rte_flow_attr miss_attr = *attr;
8658 const struct rte_flow_item miss_items[2] = {
8660 .type = RTE_FLOW_ITEM_TYPE_ETH,
8666 .type = RTE_FLOW_ITEM_TYPE_END,
8672 union tunnel_offload_mark mark_id;
8673 struct rte_flow_action_mark miss_mark;
8674 struct rte_flow_action miss_actions[3] = {
8675 [0] = { .type = RTE_FLOW_ACTION_TYPE_MARK, .conf = &miss_mark },
8676 [2] = { .type = RTE_FLOW_ACTION_TYPE_END, .conf = NULL }
8678 const struct rte_flow_action_jump *jump_data;
8679 uint32_t i, flow_table = 0; /* prevent compilation warning */
8680 struct flow_grp_info grp_info = {
8682 .transfer = attr->transfer,
8683 .fdb_def_rule = !!priv->fdb_def_rule,
8688 if (!attr->transfer) {
8691 miss_actions[1].type = RTE_FLOW_ACTION_TYPE_RSS;
8692 q_size = priv->reta_idx_n * sizeof(ctx->queue[0]);
8693 ctx->queue = mlx5_malloc(MLX5_MEM_SYS | MLX5_MEM_ZERO, q_size,
8696 return rte_flow_error_set
8698 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
8699 NULL, "invalid default miss RSS");
8700 ctx->action_rss.func = RTE_ETH_HASH_FUNCTION_DEFAULT,
8701 ctx->action_rss.level = 0,
8702 ctx->action_rss.types = priv->rss_conf.rss_hf,
8703 ctx->action_rss.key_len = priv->rss_conf.rss_key_len,
8704 ctx->action_rss.queue_num = priv->reta_idx_n,
8705 ctx->action_rss.key = priv->rss_conf.rss_key,
8706 ctx->action_rss.queue = ctx->queue;
8707 if (!priv->reta_idx_n || !priv->rxqs_n)
8708 return rte_flow_error_set
8710 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
8711 NULL, "invalid port configuration");
8712 if (!(dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG))
8713 ctx->action_rss.types = 0;
8714 for (i = 0; i != priv->reta_idx_n; ++i)
8715 ctx->queue[i] = (*priv->reta_idx)[i];
8717 miss_actions[1].type = RTE_FLOW_ACTION_TYPE_JUMP;
8718 ctx->miss_jump.group = MLX5_TNL_MISS_FDB_JUMP_GRP;
8720 miss_actions[1].conf = (typeof(miss_actions[1].conf))ctx->raw;
8721 for (; app_actions->type != RTE_FLOW_ACTION_TYPE_JUMP; app_actions++);
8722 jump_data = app_actions->conf;
8723 miss_attr.priority = MLX5_TNL_MISS_RULE_PRIORITY;
8724 miss_attr.group = jump_data->group;
8725 ret = mlx5_flow_group_to_table(dev, tunnel, jump_data->group,
8726 &flow_table, &grp_info, error);
8728 return rte_flow_error_set(error, EINVAL,
8729 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
8730 NULL, "invalid tunnel id");
8731 mark_id.app_reserve = 0;
8732 mark_id.table_id = tunnel_flow_tbl_to_id(flow_table);
8733 mark_id.transfer = !!attr->transfer;
8734 mark_id._unused_ = 0;
8735 miss_mark.id = mark_id.val;
8736 dev_flow = flow_drv_prepare(dev, flow, &miss_attr,
8737 miss_items, miss_actions, flow_idx, error);
8740 dev_flow->flow = flow;
8741 dev_flow->external = true;
8742 dev_flow->tunnel = tunnel;
8743 dev_flow->tof_type = MLX5_TUNNEL_OFFLOAD_MISS_RULE;
8744 /* Subflow object was created, we must include one in the list. */
8745 SILIST_INSERT(&flow->dev_handles, dev_flow->handle_idx,
8746 dev_flow->handle, next);
8748 "port %u tunnel type=%d id=%u miss rule priority=%u group=%u",
8749 dev->data->port_id, tunnel->app_tunnel.type,
8750 tunnel->tunnel_id, miss_attr.priority, miss_attr.group);
8751 ret = flow_drv_translate(dev, dev_flow, &miss_attr, miss_items,
8752 miss_actions, error);
8754 ret = flow_mreg_update_copy_table(dev, flow, miss_actions,
8760 static const struct mlx5_flow_tbl_data_entry *
8761 tunnel_mark_decode(struct rte_eth_dev *dev, uint32_t mark)
8763 struct mlx5_priv *priv = dev->data->dev_private;
8764 struct mlx5_dev_ctx_shared *sh = priv->sh;
8765 struct mlx5_list_entry *he;
8766 union tunnel_offload_mark mbits = { .val = mark };
8767 union mlx5_flow_tbl_key table_key = {
8769 .level = tunnel_id_to_flow_tbl(mbits.table_id),
8773 .is_fdb = !!mbits.transfer,
8777 struct mlx5_flow_cb_ctx ctx = {
8778 .data = &table_key.v64,
8781 he = mlx5_hlist_lookup(sh->flow_tbls, table_key.v64, &ctx);
8783 container_of(he, struct mlx5_flow_tbl_data_entry, entry) : NULL;
8787 mlx5_flow_tunnel_grp2tbl_remove_cb(void *tool_ctx,
8788 struct mlx5_list_entry *entry)
8790 struct mlx5_dev_ctx_shared *sh = tool_ctx;
8791 struct tunnel_tbl_entry *tte = container_of(entry, typeof(*tte), hash);
8793 mlx5_ipool_free(sh->ipool[MLX5_IPOOL_TNL_TBL_ID],
8794 tunnel_flow_tbl_to_id(tte->flow_table));
8799 mlx5_flow_tunnel_grp2tbl_match_cb(void *tool_ctx __rte_unused,
8800 struct mlx5_list_entry *entry, void *cb_ctx)
8802 struct mlx5_flow_cb_ctx *ctx = cb_ctx;
8803 union tunnel_tbl_key tbl = {
8804 .val = *(uint64_t *)(ctx->data),
8806 struct tunnel_tbl_entry *tte = container_of(entry, typeof(*tte), hash);
8808 return tbl.tunnel_id != tte->tunnel_id || tbl.group != tte->group;
8811 static struct mlx5_list_entry *
8812 mlx5_flow_tunnel_grp2tbl_create_cb(void *tool_ctx, void *cb_ctx)
8814 struct mlx5_dev_ctx_shared *sh = tool_ctx;
8815 struct mlx5_flow_cb_ctx *ctx = cb_ctx;
8816 struct tunnel_tbl_entry *tte;
8817 union tunnel_tbl_key tbl = {
8818 .val = *(uint64_t *)(ctx->data),
8821 tte = mlx5_malloc(MLX5_MEM_SYS | MLX5_MEM_ZERO,
8826 mlx5_ipool_malloc(sh->ipool[MLX5_IPOOL_TNL_TBL_ID],
8828 if (tte->flow_table >= MLX5_MAX_TABLES) {
8829 DRV_LOG(ERR, "Tunnel TBL ID %d exceed max limit.",
8831 mlx5_ipool_free(sh->ipool[MLX5_IPOOL_TNL_TBL_ID],
8834 } else if (!tte->flow_table) {
8837 tte->flow_table = tunnel_id_to_flow_tbl(tte->flow_table);
8838 tte->tunnel_id = tbl.tunnel_id;
8839 tte->group = tbl.group;
8847 static struct mlx5_list_entry *
8848 mlx5_flow_tunnel_grp2tbl_clone_cb(void *tool_ctx __rte_unused,
8849 struct mlx5_list_entry *oentry,
8850 void *cb_ctx __rte_unused)
8852 struct tunnel_tbl_entry *tte = mlx5_malloc(MLX5_MEM_SYS, sizeof(*tte),
8857 memcpy(tte, oentry, sizeof(*tte));
8862 mlx5_flow_tunnel_grp2tbl_clone_free_cb(void *tool_ctx __rte_unused,
8863 struct mlx5_list_entry *entry)
8865 struct tunnel_tbl_entry *tte = container_of(entry, typeof(*tte), hash);
8871 tunnel_flow_group_to_flow_table(struct rte_eth_dev *dev,
8872 const struct mlx5_flow_tunnel *tunnel,
8873 uint32_t group, uint32_t *table,
8874 struct rte_flow_error *error)
8876 struct mlx5_list_entry *he;
8877 struct tunnel_tbl_entry *tte;
8878 union tunnel_tbl_key key = {
8879 .tunnel_id = tunnel ? tunnel->tunnel_id : 0,
8882 struct mlx5_flow_tunnel_hub *thub = mlx5_tunnel_hub(dev);
8883 struct mlx5_hlist *group_hash;
8884 struct mlx5_flow_cb_ctx ctx = {
8888 group_hash = tunnel ? tunnel->groups : thub->groups;
8889 he = mlx5_hlist_register(group_hash, key.val, &ctx);
8891 return rte_flow_error_set(error, EINVAL,
8892 RTE_FLOW_ERROR_TYPE_ATTR_GROUP,
8894 "tunnel group index not supported");
8895 tte = container_of(he, typeof(*tte), hash);
8896 *table = tte->flow_table;
8897 DRV_LOG(DEBUG, "port %u tunnel %u group=%#x table=%#x",
8898 dev->data->port_id, key.tunnel_id, group, *table);
8903 mlx5_flow_tunnel_free(struct rte_eth_dev *dev,
8904 struct mlx5_flow_tunnel *tunnel)
8906 struct mlx5_priv *priv = dev->data->dev_private;
8907 struct mlx5_indexed_pool *ipool;
8909 DRV_LOG(DEBUG, "port %u release pmd tunnel id=0x%x",
8910 dev->data->port_id, tunnel->tunnel_id);
8911 LIST_REMOVE(tunnel, chain);
8912 mlx5_hlist_destroy(tunnel->groups);
8913 ipool = priv->sh->ipool[MLX5_IPOOL_TUNNEL_ID];
8914 mlx5_ipool_free(ipool, tunnel->tunnel_id);
8918 mlx5_access_tunnel_offload_db
8919 (struct rte_eth_dev *dev,
8920 bool (*match)(struct rte_eth_dev *,
8921 struct mlx5_flow_tunnel *, const void *),
8922 void (*hit)(struct rte_eth_dev *, struct mlx5_flow_tunnel *, void *),
8923 void (*miss)(struct rte_eth_dev *, void *),
8924 void *ctx, bool lock_op)
8926 bool verdict = false;
8927 struct mlx5_flow_tunnel_hub *thub = mlx5_tunnel_hub(dev);
8928 struct mlx5_flow_tunnel *tunnel;
8930 rte_spinlock_lock(&thub->sl);
8931 LIST_FOREACH(tunnel, &thub->tunnels, chain) {
8932 verdict = match(dev, tunnel, (const void *)ctx);
8937 rte_spinlock_unlock(&thub->sl);
8939 hit(dev, tunnel, ctx);
8940 if (!verdict && miss)
8943 rte_spinlock_unlock(&thub->sl);
8948 struct tunnel_db_find_tunnel_id_ctx {
8950 struct mlx5_flow_tunnel *tunnel;
8954 find_tunnel_id_match(struct rte_eth_dev *dev,
8955 struct mlx5_flow_tunnel *tunnel, const void *x)
8957 const struct tunnel_db_find_tunnel_id_ctx *ctx = x;
8960 return tunnel->tunnel_id == ctx->tunnel_id;
8964 find_tunnel_id_hit(struct rte_eth_dev *dev,
8965 struct mlx5_flow_tunnel *tunnel, void *x)
8967 struct tunnel_db_find_tunnel_id_ctx *ctx = x;
8969 ctx->tunnel = tunnel;
8972 static struct mlx5_flow_tunnel *
8973 mlx5_find_tunnel_id(struct rte_eth_dev *dev, uint32_t id)
8975 struct tunnel_db_find_tunnel_id_ctx ctx = {
8979 mlx5_access_tunnel_offload_db(dev, find_tunnel_id_match,
8980 find_tunnel_id_hit, NULL, &ctx, true);
8985 static struct mlx5_flow_tunnel *
8986 mlx5_flow_tunnel_allocate(struct rte_eth_dev *dev,
8987 const struct rte_flow_tunnel *app_tunnel)
8989 struct mlx5_priv *priv = dev->data->dev_private;
8990 struct mlx5_indexed_pool *ipool;
8991 struct mlx5_flow_tunnel *tunnel;
8994 ipool = priv->sh->ipool[MLX5_IPOOL_TUNNEL_ID];
8995 tunnel = mlx5_ipool_zmalloc(ipool, &id);
8998 if (id >= MLX5_MAX_TUNNELS) {
8999 mlx5_ipool_free(ipool, id);
9000 DRV_LOG(ERR, "Tunnel ID %d exceed max limit.", id);
9003 tunnel->groups = mlx5_hlist_create("tunnel groups", 64, false, true,
9005 mlx5_flow_tunnel_grp2tbl_create_cb,
9006 mlx5_flow_tunnel_grp2tbl_match_cb,
9007 mlx5_flow_tunnel_grp2tbl_remove_cb,
9008 mlx5_flow_tunnel_grp2tbl_clone_cb,
9009 mlx5_flow_tunnel_grp2tbl_clone_free_cb);
9010 if (!tunnel->groups) {
9011 mlx5_ipool_free(ipool, id);
9014 /* initiate new PMD tunnel */
9015 memcpy(&tunnel->app_tunnel, app_tunnel, sizeof(*app_tunnel));
9016 tunnel->tunnel_id = id;
9017 tunnel->action.type = (typeof(tunnel->action.type))
9018 MLX5_RTE_FLOW_ACTION_TYPE_TUNNEL_SET;
9019 tunnel->action.conf = tunnel;
9020 tunnel->item.type = (typeof(tunnel->item.type))
9021 MLX5_RTE_FLOW_ITEM_TYPE_TUNNEL;
9022 tunnel->item.spec = tunnel;
9023 tunnel->item.last = NULL;
9024 tunnel->item.mask = NULL;
9026 DRV_LOG(DEBUG, "port %u new pmd tunnel id=0x%x",
9027 dev->data->port_id, tunnel->tunnel_id);
9032 struct tunnel_db_get_tunnel_ctx {
9033 const struct rte_flow_tunnel *app_tunnel;
9034 struct mlx5_flow_tunnel *tunnel;
9037 static bool get_tunnel_match(struct rte_eth_dev *dev,
9038 struct mlx5_flow_tunnel *tunnel, const void *x)
9040 const struct tunnel_db_get_tunnel_ctx *ctx = x;
9043 return !memcmp(ctx->app_tunnel, &tunnel->app_tunnel,
9044 sizeof(*ctx->app_tunnel));
9047 static void get_tunnel_hit(struct rte_eth_dev *dev,
9048 struct mlx5_flow_tunnel *tunnel, void *x)
9050 /* called under tunnel spinlock protection */
9051 struct tunnel_db_get_tunnel_ctx *ctx = x;
9055 ctx->tunnel = tunnel;
9058 static void get_tunnel_miss(struct rte_eth_dev *dev, void *x)
9060 /* called under tunnel spinlock protection */
9061 struct mlx5_flow_tunnel_hub *thub = mlx5_tunnel_hub(dev);
9062 struct tunnel_db_get_tunnel_ctx *ctx = x;
9064 rte_spinlock_unlock(&thub->sl);
9065 ctx->tunnel = mlx5_flow_tunnel_allocate(dev, ctx->app_tunnel);
9066 rte_spinlock_lock(&thub->sl);
9068 ctx->tunnel->refctn = 1;
9069 LIST_INSERT_HEAD(&thub->tunnels, ctx->tunnel, chain);
9075 mlx5_get_flow_tunnel(struct rte_eth_dev *dev,
9076 const struct rte_flow_tunnel *app_tunnel,
9077 struct mlx5_flow_tunnel **tunnel)
9079 struct tunnel_db_get_tunnel_ctx ctx = {
9080 .app_tunnel = app_tunnel,
9083 mlx5_access_tunnel_offload_db(dev, get_tunnel_match, get_tunnel_hit,
9084 get_tunnel_miss, &ctx, true);
9085 *tunnel = ctx.tunnel;
9086 return ctx.tunnel ? 0 : -ENOMEM;
9089 void mlx5_release_tunnel_hub(struct mlx5_dev_ctx_shared *sh, uint16_t port_id)
9091 struct mlx5_flow_tunnel_hub *thub = sh->tunnel_hub;
9095 if (!LIST_EMPTY(&thub->tunnels))
9096 DRV_LOG(WARNING, "port %u tunnels present", port_id);
9097 mlx5_hlist_destroy(thub->groups);
9101 int mlx5_alloc_tunnel_hub(struct mlx5_dev_ctx_shared *sh)
9104 struct mlx5_flow_tunnel_hub *thub;
9106 thub = mlx5_malloc(MLX5_MEM_SYS | MLX5_MEM_ZERO, sizeof(*thub),
9110 LIST_INIT(&thub->tunnels);
9111 rte_spinlock_init(&thub->sl);
9112 thub->groups = mlx5_hlist_create("flow groups", 64,
9114 mlx5_flow_tunnel_grp2tbl_create_cb,
9115 mlx5_flow_tunnel_grp2tbl_match_cb,
9116 mlx5_flow_tunnel_grp2tbl_remove_cb,
9117 mlx5_flow_tunnel_grp2tbl_clone_cb,
9118 mlx5_flow_tunnel_grp2tbl_clone_free_cb);
9119 if (!thub->groups) {
9123 sh->tunnel_hub = thub;
9129 mlx5_hlist_destroy(thub->groups);
9136 mlx5_flow_tunnel_validate(struct rte_eth_dev *dev,
9137 struct rte_flow_tunnel *tunnel,
9138 const char *err_msg)
9141 if (!is_tunnel_offload_active(dev)) {
9142 err_msg = "tunnel offload was not activated";
9144 } else if (!tunnel) {
9145 err_msg = "no application tunnel";
9149 switch (tunnel->type) {
9151 err_msg = "unsupported tunnel type";
9153 case RTE_FLOW_ITEM_TYPE_VXLAN:
9154 case RTE_FLOW_ITEM_TYPE_GRE:
9155 case RTE_FLOW_ITEM_TYPE_NVGRE:
9156 case RTE_FLOW_ITEM_TYPE_GENEVE:
9165 mlx5_flow_tunnel_decap_set(struct rte_eth_dev *dev,
9166 struct rte_flow_tunnel *app_tunnel,
9167 struct rte_flow_action **actions,
9168 uint32_t *num_of_actions,
9169 struct rte_flow_error *error)
9172 struct mlx5_flow_tunnel *tunnel;
9173 const char *err_msg = NULL;
9174 bool verdict = mlx5_flow_tunnel_validate(dev, app_tunnel, err_msg);
9177 return rte_flow_error_set(error, EINVAL,
9178 RTE_FLOW_ERROR_TYPE_ACTION_CONF, NULL,
9180 ret = mlx5_get_flow_tunnel(dev, app_tunnel, &tunnel);
9182 return rte_flow_error_set(error, ret,
9183 RTE_FLOW_ERROR_TYPE_ACTION_CONF, NULL,
9184 "failed to initialize pmd tunnel");
9186 *actions = &tunnel->action;
9187 *num_of_actions = 1;
9192 mlx5_flow_tunnel_match(struct rte_eth_dev *dev,
9193 struct rte_flow_tunnel *app_tunnel,
9194 struct rte_flow_item **items,
9195 uint32_t *num_of_items,
9196 struct rte_flow_error *error)
9199 struct mlx5_flow_tunnel *tunnel;
9200 const char *err_msg = NULL;
9201 bool verdict = mlx5_flow_tunnel_validate(dev, app_tunnel, err_msg);
9204 return rte_flow_error_set(error, EINVAL,
9205 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
9207 ret = mlx5_get_flow_tunnel(dev, app_tunnel, &tunnel);
9209 return rte_flow_error_set(error, ret,
9210 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
9211 "failed to initialize pmd tunnel");
9213 *items = &tunnel->item;
9218 struct tunnel_db_element_release_ctx {
9219 struct rte_flow_item *items;
9220 struct rte_flow_action *actions;
9221 uint32_t num_elements;
9222 struct rte_flow_error *error;
9227 tunnel_element_release_match(struct rte_eth_dev *dev,
9228 struct mlx5_flow_tunnel *tunnel, const void *x)
9230 const struct tunnel_db_element_release_ctx *ctx = x;
9233 if (ctx->num_elements != 1)
9235 else if (ctx->items)
9236 return ctx->items == &tunnel->item;
9237 else if (ctx->actions)
9238 return ctx->actions == &tunnel->action;
9244 tunnel_element_release_hit(struct rte_eth_dev *dev,
9245 struct mlx5_flow_tunnel *tunnel, void *x)
9247 struct tunnel_db_element_release_ctx *ctx = x;
9249 if (!__atomic_sub_fetch(&tunnel->refctn, 1, __ATOMIC_RELAXED))
9250 mlx5_flow_tunnel_free(dev, tunnel);
9254 tunnel_element_release_miss(struct rte_eth_dev *dev, void *x)
9256 struct tunnel_db_element_release_ctx *ctx = x;
9258 ctx->ret = rte_flow_error_set(ctx->error, EINVAL,
9259 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
9260 "invalid argument");
9264 mlx5_flow_tunnel_item_release(struct rte_eth_dev *dev,
9265 struct rte_flow_item *pmd_items,
9266 uint32_t num_items, struct rte_flow_error *err)
9268 struct tunnel_db_element_release_ctx ctx = {
9271 .num_elements = num_items,
9275 mlx5_access_tunnel_offload_db(dev, tunnel_element_release_match,
9276 tunnel_element_release_hit,
9277 tunnel_element_release_miss, &ctx, false);
9283 mlx5_flow_tunnel_action_release(struct rte_eth_dev *dev,
9284 struct rte_flow_action *pmd_actions,
9285 uint32_t num_actions, struct rte_flow_error *err)
9287 struct tunnel_db_element_release_ctx ctx = {
9289 .actions = pmd_actions,
9290 .num_elements = num_actions,
9294 mlx5_access_tunnel_offload_db(dev, tunnel_element_release_match,
9295 tunnel_element_release_hit,
9296 tunnel_element_release_miss, &ctx, false);
9302 mlx5_flow_tunnel_get_restore_info(struct rte_eth_dev *dev,
9304 struct rte_flow_restore_info *info,
9305 struct rte_flow_error *err)
9307 uint64_t ol_flags = m->ol_flags;
9308 const struct mlx5_flow_tbl_data_entry *tble;
9309 const uint64_t mask = PKT_RX_FDIR | PKT_RX_FDIR_ID;
9311 if (!is_tunnel_offload_active(dev)) {
9316 if ((ol_flags & mask) != mask)
9318 tble = tunnel_mark_decode(dev, m->hash.fdir.hi);
9320 DRV_LOG(DEBUG, "port %u invalid miss tunnel mark %#x",
9321 dev->data->port_id, m->hash.fdir.hi);
9324 MLX5_ASSERT(tble->tunnel);
9325 memcpy(&info->tunnel, &tble->tunnel->app_tunnel, sizeof(info->tunnel));
9326 info->group_id = tble->group_id;
9327 info->flags = RTE_FLOW_RESTORE_INFO_TUNNEL |
9328 RTE_FLOW_RESTORE_INFO_GROUP_ID |
9329 RTE_FLOW_RESTORE_INFO_ENCAPSULATED;
9334 return rte_flow_error_set(err, EINVAL,
9335 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
9336 "failed to get restore info");
9339 #else /* HAVE_IBV_FLOW_DV_SUPPORT */
9341 mlx5_flow_tunnel_decap_set(__rte_unused struct rte_eth_dev *dev,
9342 __rte_unused struct rte_flow_tunnel *app_tunnel,
9343 __rte_unused struct rte_flow_action **actions,
9344 __rte_unused uint32_t *num_of_actions,
9345 __rte_unused struct rte_flow_error *error)
9351 mlx5_flow_tunnel_match(__rte_unused struct rte_eth_dev *dev,
9352 __rte_unused struct rte_flow_tunnel *app_tunnel,
9353 __rte_unused struct rte_flow_item **items,
9354 __rte_unused uint32_t *num_of_items,
9355 __rte_unused struct rte_flow_error *error)
9361 mlx5_flow_tunnel_item_release(__rte_unused struct rte_eth_dev *dev,
9362 __rte_unused struct rte_flow_item *pmd_items,
9363 __rte_unused uint32_t num_items,
9364 __rte_unused struct rte_flow_error *err)
9370 mlx5_flow_tunnel_action_release(__rte_unused struct rte_eth_dev *dev,
9371 __rte_unused struct rte_flow_action *pmd_action,
9372 __rte_unused uint32_t num_actions,
9373 __rte_unused struct rte_flow_error *err)
9379 mlx5_flow_tunnel_get_restore_info(__rte_unused struct rte_eth_dev *dev,
9380 __rte_unused struct rte_mbuf *m,
9381 __rte_unused struct rte_flow_restore_info *i,
9382 __rte_unused struct rte_flow_error *err)
9388 flow_tunnel_add_default_miss(__rte_unused struct rte_eth_dev *dev,
9389 __rte_unused struct rte_flow *flow,
9390 __rte_unused const struct rte_flow_attr *attr,
9391 __rte_unused const struct rte_flow_action *actions,
9392 __rte_unused uint32_t flow_idx,
9393 __rte_unused const struct mlx5_flow_tunnel *tunnel,
9394 __rte_unused struct tunnel_default_miss_ctx *ctx,
9395 __rte_unused struct rte_flow_error *error)
9400 static struct mlx5_flow_tunnel *
9401 mlx5_find_tunnel_id(__rte_unused struct rte_eth_dev *dev,
9402 __rte_unused uint32_t id)
9408 mlx5_flow_tunnel_free(__rte_unused struct rte_eth_dev *dev,
9409 __rte_unused struct mlx5_flow_tunnel *tunnel)
9414 tunnel_flow_group_to_flow_table(__rte_unused struct rte_eth_dev *dev,
9415 __rte_unused const struct mlx5_flow_tunnel *t,
9416 __rte_unused uint32_t group,
9417 __rte_unused uint32_t *table,
9418 struct rte_flow_error *error)
9420 return rte_flow_error_set(error, ENOTSUP,
9421 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
9422 "tunnel offload requires DV support");
9426 mlx5_release_tunnel_hub(__rte_unused struct mlx5_dev_ctx_shared *sh,
9427 __rte_unused uint16_t port_id)
9430 #endif /* HAVE_IBV_FLOW_DV_SUPPORT */
9433 mlx5_dbg__print_pattern(const struct rte_flow_item *item)
9436 struct rte_flow_error error;
9438 for (; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
9440 ret = rte_flow_conv(RTE_FLOW_CONV_OP_ITEM_NAME_PTR, &item_name,
9442 (void *)(uintptr_t)item->type, &error);
9444 printf("%s ", item_name);
9446 printf("%d\n", (int)item->type);
9452 mlx5_flow_is_std_vxlan_port(const struct rte_flow_item *udp_item)
9454 const struct rte_flow_item_udp *spec = udp_item->spec;
9455 const struct rte_flow_item_udp *mask = udp_item->mask;
9456 uint16_t udp_dport = 0;
9460 mask = &rte_flow_item_udp_mask;
9461 udp_dport = rte_be_to_cpu_16(spec->hdr.dst_port &
9462 mask->hdr.dst_port);
9464 return (!udp_dport || udp_dport == MLX5_UDP_PORT_VXLAN);
9467 static const struct mlx5_flow_expand_node *
9468 mlx5_flow_expand_rss_adjust_node(const struct rte_flow_item *pattern,
9469 unsigned int item_idx,
9470 const struct mlx5_flow_expand_node graph[],
9471 const struct mlx5_flow_expand_node *node)
9473 const struct rte_flow_item *item = pattern + item_idx, *prev_item;
9474 switch (item->type) {
9475 case RTE_FLOW_ITEM_TYPE_VXLAN:
9476 MLX5_ASSERT(item_idx > 0);
9477 prev_item = pattern + item_idx - 1;
9478 MLX5_ASSERT(prev_item->type == RTE_FLOW_ITEM_TYPE_UDP);
9479 if (mlx5_flow_is_std_vxlan_port(prev_item))
9480 return &graph[MLX5_EXPANSION_STD_VXLAN];
9482 return &graph[MLX5_EXPANSION_L3_VXLAN];