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 struct tunnel_default_miss_ctx *ctx,
54 struct rte_flow_error *error);
55 static struct mlx5_flow_tunnel *
56 mlx5_find_tunnel_id(struct rte_eth_dev *dev, uint32_t id);
58 mlx5_flow_tunnel_free(struct rte_eth_dev *dev, struct mlx5_flow_tunnel *tunnel);
60 tunnel_flow_group_to_flow_table(struct rte_eth_dev *dev,
61 const struct mlx5_flow_tunnel *tunnel,
62 uint32_t group, uint32_t *table,
63 struct rte_flow_error *error);
65 static struct mlx5_flow_workspace *mlx5_flow_push_thread_workspace(void);
66 static void mlx5_flow_pop_thread_workspace(void);
69 /** Device flow drivers. */
70 extern const struct mlx5_flow_driver_ops mlx5_flow_verbs_drv_ops;
72 const struct mlx5_flow_driver_ops mlx5_flow_null_drv_ops;
74 const struct mlx5_flow_driver_ops *flow_drv_ops[] = {
75 [MLX5_FLOW_TYPE_MIN] = &mlx5_flow_null_drv_ops,
76 #if defined(HAVE_IBV_FLOW_DV_SUPPORT) || !defined(HAVE_INFINIBAND_VERBS_H)
77 [MLX5_FLOW_TYPE_DV] = &mlx5_flow_dv_drv_ops,
79 [MLX5_FLOW_TYPE_VERBS] = &mlx5_flow_verbs_drv_ops,
80 [MLX5_FLOW_TYPE_MAX] = &mlx5_flow_null_drv_ops
83 /** Helper macro to build input graph for mlx5_flow_expand_rss(). */
84 #define MLX5_FLOW_EXPAND_RSS_NEXT(...) \
89 /** Node object of input graph for mlx5_flow_expand_rss(). */
90 struct mlx5_flow_expand_node {
91 const int *const next;
93 * List of next node indexes. Index 0 is interpreted as a terminator.
95 const enum rte_flow_item_type type;
96 /**< Pattern item type of current node. */
99 * RSS types bit-field associated with this node
100 * (see ETH_RSS_* definitions).
104 /** Object returned by mlx5_flow_expand_rss(). */
105 struct mlx5_flow_expand_rss {
107 /**< Number of entries @p patterns and @p priorities. */
109 struct rte_flow_item *pattern; /**< Expanded pattern array. */
110 uint32_t priority; /**< Priority offset for each expansion. */
114 static enum rte_flow_item_type
115 mlx5_flow_expand_rss_item_complete(const struct rte_flow_item *item)
117 enum rte_flow_item_type ret = RTE_FLOW_ITEM_TYPE_VOID;
118 uint16_t ether_type = 0;
119 uint16_t ether_type_m;
120 uint8_t ip_next_proto = 0;
121 uint8_t ip_next_proto_m;
123 if (item == NULL || item->spec == NULL)
125 switch (item->type) {
126 case RTE_FLOW_ITEM_TYPE_ETH:
128 ether_type_m = ((const struct rte_flow_item_eth *)
131 ether_type_m = rte_flow_item_eth_mask.type;
132 if (ether_type_m != RTE_BE16(0xFFFF))
134 ether_type = ((const struct rte_flow_item_eth *)
136 if (rte_be_to_cpu_16(ether_type) == RTE_ETHER_TYPE_IPV4)
137 ret = RTE_FLOW_ITEM_TYPE_IPV4;
138 else if (rte_be_to_cpu_16(ether_type) == RTE_ETHER_TYPE_IPV6)
139 ret = RTE_FLOW_ITEM_TYPE_IPV6;
140 else if (rte_be_to_cpu_16(ether_type) == RTE_ETHER_TYPE_VLAN)
141 ret = RTE_FLOW_ITEM_TYPE_VLAN;
143 ret = RTE_FLOW_ITEM_TYPE_END;
145 case RTE_FLOW_ITEM_TYPE_VLAN:
147 ether_type_m = ((const struct rte_flow_item_vlan *)
148 (item->mask))->inner_type;
150 ether_type_m = rte_flow_item_vlan_mask.inner_type;
151 if (ether_type_m != RTE_BE16(0xFFFF))
153 ether_type = ((const struct rte_flow_item_vlan *)
154 (item->spec))->inner_type;
155 if (rte_be_to_cpu_16(ether_type) == RTE_ETHER_TYPE_IPV4)
156 ret = RTE_FLOW_ITEM_TYPE_IPV4;
157 else if (rte_be_to_cpu_16(ether_type) == RTE_ETHER_TYPE_IPV6)
158 ret = RTE_FLOW_ITEM_TYPE_IPV6;
159 else if (rte_be_to_cpu_16(ether_type) == RTE_ETHER_TYPE_VLAN)
160 ret = RTE_FLOW_ITEM_TYPE_VLAN;
162 ret = RTE_FLOW_ITEM_TYPE_END;
164 case RTE_FLOW_ITEM_TYPE_IPV4:
166 ip_next_proto_m = ((const struct rte_flow_item_ipv4 *)
167 (item->mask))->hdr.next_proto_id;
170 rte_flow_item_ipv4_mask.hdr.next_proto_id;
171 if (ip_next_proto_m != 0xFF)
173 ip_next_proto = ((const struct rte_flow_item_ipv4 *)
174 (item->spec))->hdr.next_proto_id;
175 if (ip_next_proto == IPPROTO_UDP)
176 ret = RTE_FLOW_ITEM_TYPE_UDP;
177 else if (ip_next_proto == IPPROTO_TCP)
178 ret = RTE_FLOW_ITEM_TYPE_TCP;
179 else if (ip_next_proto == IPPROTO_IP)
180 ret = RTE_FLOW_ITEM_TYPE_IPV4;
181 else if (ip_next_proto == IPPROTO_IPV6)
182 ret = RTE_FLOW_ITEM_TYPE_IPV6;
184 ret = RTE_FLOW_ITEM_TYPE_END;
186 case RTE_FLOW_ITEM_TYPE_IPV6:
188 ip_next_proto_m = ((const struct rte_flow_item_ipv6 *)
189 (item->mask))->hdr.proto;
192 rte_flow_item_ipv6_mask.hdr.proto;
193 if (ip_next_proto_m != 0xFF)
195 ip_next_proto = ((const struct rte_flow_item_ipv6 *)
196 (item->spec))->hdr.proto;
197 if (ip_next_proto == IPPROTO_UDP)
198 ret = RTE_FLOW_ITEM_TYPE_UDP;
199 else if (ip_next_proto == IPPROTO_TCP)
200 ret = RTE_FLOW_ITEM_TYPE_TCP;
201 else if (ip_next_proto == IPPROTO_IP)
202 ret = RTE_FLOW_ITEM_TYPE_IPV4;
203 else if (ip_next_proto == IPPROTO_IPV6)
204 ret = RTE_FLOW_ITEM_TYPE_IPV6;
206 ret = RTE_FLOW_ITEM_TYPE_END;
209 ret = RTE_FLOW_ITEM_TYPE_VOID;
215 #define MLX5_RSS_EXP_ELT_N 8
218 * Expand RSS flows into several possible flows according to the RSS hash
219 * fields requested and the driver capabilities.
222 * Buffer to store the result expansion.
224 * Buffer size in bytes. If 0, @p buf can be NULL.
228 * RSS types to expand (see ETH_RSS_* definitions).
230 * Input graph to expand @p pattern according to @p types.
231 * @param[in] graph_root_index
232 * Index of root node in @p graph, typically 0.
235 * A positive value representing the size of @p buf in bytes regardless of
236 * @p size on success, a negative errno value otherwise and rte_errno is
237 * set, the following errors are defined:
239 * -E2BIG: graph-depth @p graph is too deep.
242 mlx5_flow_expand_rss(struct mlx5_flow_expand_rss *buf, size_t size,
243 const struct rte_flow_item *pattern, uint64_t types,
244 const struct mlx5_flow_expand_node graph[],
245 int graph_root_index)
247 const struct rte_flow_item *item;
248 const struct mlx5_flow_expand_node *node = &graph[graph_root_index];
249 const int *next_node;
250 const int *stack[MLX5_RSS_EXP_ELT_N];
252 struct rte_flow_item flow_items[MLX5_RSS_EXP_ELT_N];
255 size_t user_pattern_size = 0;
257 const struct mlx5_flow_expand_node *next = NULL;
258 struct rte_flow_item missed_item;
261 const struct rte_flow_item *last_item = NULL;
263 memset(&missed_item, 0, sizeof(missed_item));
264 lsize = offsetof(struct mlx5_flow_expand_rss, entry) +
265 MLX5_RSS_EXP_ELT_N * sizeof(buf->entry[0]);
267 buf->entry[0].priority = 0;
268 buf->entry[0].pattern = (void *)&buf->entry[MLX5_RSS_EXP_ELT_N];
270 addr = buf->entry[0].pattern;
272 for (item = pattern; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
273 if (item->type != RTE_FLOW_ITEM_TYPE_VOID)
275 for (i = 0; node->next && node->next[i]; ++i) {
276 next = &graph[node->next[i]];
277 if (next->type == item->type)
282 user_pattern_size += sizeof(*item);
284 user_pattern_size += sizeof(*item); /* Handle END item. */
285 lsize += user_pattern_size;
286 /* Copy the user pattern in the first entry of the buffer. */
288 rte_memcpy(addr, pattern, user_pattern_size);
289 addr = (void *)(((uintptr_t)addr) + user_pattern_size);
292 /* Start expanding. */
293 memset(flow_items, 0, sizeof(flow_items));
294 user_pattern_size -= sizeof(*item);
296 * Check if the last valid item has spec set, need complete pattern,
297 * and the pattern can be used for expansion.
299 missed_item.type = mlx5_flow_expand_rss_item_complete(last_item);
300 if (missed_item.type == RTE_FLOW_ITEM_TYPE_END) {
301 /* Item type END indicates expansion is not required. */
304 if (missed_item.type != RTE_FLOW_ITEM_TYPE_VOID) {
307 for (i = 0; node->next && node->next[i]; ++i) {
308 next = &graph[node->next[i]];
309 if (next->type == missed_item.type) {
310 flow_items[0].type = missed_item.type;
311 flow_items[1].type = RTE_FLOW_ITEM_TYPE_END;
317 if (next && missed) {
318 elt = 2; /* missed item + item end. */
320 lsize += elt * sizeof(*item) + user_pattern_size;
321 if ((node->rss_types & types) && lsize <= size) {
322 buf->entry[buf->entries].priority = 1;
323 buf->entry[buf->entries].pattern = addr;
325 rte_memcpy(addr, buf->entry[0].pattern,
327 addr = (void *)(((uintptr_t)addr) + user_pattern_size);
328 rte_memcpy(addr, flow_items, elt * sizeof(*item));
329 addr = (void *)(((uintptr_t)addr) +
330 elt * sizeof(*item));
333 memset(flow_items, 0, sizeof(flow_items));
334 next_node = node->next;
335 stack[stack_pos] = next_node;
336 node = next_node ? &graph[*next_node] : NULL;
338 flow_items[stack_pos].type = node->type;
339 if (node->rss_types & types) {
341 * compute the number of items to copy from the
342 * expansion and copy it.
343 * When the stack_pos is 0, there are 1 element in it,
344 * plus the addition END item.
347 flow_items[stack_pos + 1].type = RTE_FLOW_ITEM_TYPE_END;
348 lsize += elt * sizeof(*item) + user_pattern_size;
350 size_t n = elt * sizeof(*item);
352 buf->entry[buf->entries].priority =
353 stack_pos + 1 + missed;
354 buf->entry[buf->entries].pattern = addr;
356 rte_memcpy(addr, buf->entry[0].pattern,
358 addr = (void *)(((uintptr_t)addr) +
360 rte_memcpy(addr, &missed_item,
361 missed * sizeof(*item));
362 addr = (void *)(((uintptr_t)addr) +
363 missed * sizeof(*item));
364 rte_memcpy(addr, flow_items, n);
365 addr = (void *)(((uintptr_t)addr) + n);
370 next_node = node->next;
371 if (stack_pos++ == MLX5_RSS_EXP_ELT_N) {
375 stack[stack_pos] = next_node;
376 } else if (*(next_node + 1)) {
377 /* Follow up with the next possibility. */
380 /* Move to the next path. */
382 next_node = stack[--stack_pos];
384 stack[stack_pos] = next_node;
386 node = *next_node ? &graph[*next_node] : NULL;
391 enum mlx5_expansion {
393 MLX5_EXPANSION_ROOT_OUTER,
394 MLX5_EXPANSION_ROOT_ETH_VLAN,
395 MLX5_EXPANSION_ROOT_OUTER_ETH_VLAN,
396 MLX5_EXPANSION_OUTER_ETH,
397 MLX5_EXPANSION_OUTER_ETH_VLAN,
398 MLX5_EXPANSION_OUTER_VLAN,
399 MLX5_EXPANSION_OUTER_IPV4,
400 MLX5_EXPANSION_OUTER_IPV4_UDP,
401 MLX5_EXPANSION_OUTER_IPV4_TCP,
402 MLX5_EXPANSION_OUTER_IPV6,
403 MLX5_EXPANSION_OUTER_IPV6_UDP,
404 MLX5_EXPANSION_OUTER_IPV6_TCP,
405 MLX5_EXPANSION_VXLAN,
406 MLX5_EXPANSION_VXLAN_GPE,
410 MLX5_EXPANSION_ETH_VLAN,
413 MLX5_EXPANSION_IPV4_UDP,
414 MLX5_EXPANSION_IPV4_TCP,
416 MLX5_EXPANSION_IPV6_UDP,
417 MLX5_EXPANSION_IPV6_TCP,
420 /** Supported expansion of items. */
421 static const struct mlx5_flow_expand_node mlx5_support_expansion[] = {
422 [MLX5_EXPANSION_ROOT] = {
423 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH,
425 MLX5_EXPANSION_IPV6),
426 .type = RTE_FLOW_ITEM_TYPE_END,
428 [MLX5_EXPANSION_ROOT_OUTER] = {
429 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_ETH,
430 MLX5_EXPANSION_OUTER_IPV4,
431 MLX5_EXPANSION_OUTER_IPV6),
432 .type = RTE_FLOW_ITEM_TYPE_END,
434 [MLX5_EXPANSION_ROOT_ETH_VLAN] = {
435 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH_VLAN),
436 .type = RTE_FLOW_ITEM_TYPE_END,
438 [MLX5_EXPANSION_ROOT_OUTER_ETH_VLAN] = {
439 .next = MLX5_FLOW_EXPAND_RSS_NEXT
440 (MLX5_EXPANSION_OUTER_ETH_VLAN),
441 .type = RTE_FLOW_ITEM_TYPE_END,
443 [MLX5_EXPANSION_OUTER_ETH] = {
444 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_IPV4,
445 MLX5_EXPANSION_OUTER_IPV6,
446 MLX5_EXPANSION_MPLS),
447 .type = RTE_FLOW_ITEM_TYPE_ETH,
450 [MLX5_EXPANSION_OUTER_ETH_VLAN] = {
451 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_VLAN),
452 .type = RTE_FLOW_ITEM_TYPE_ETH,
455 [MLX5_EXPANSION_OUTER_VLAN] = {
456 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_IPV4,
457 MLX5_EXPANSION_OUTER_IPV6),
458 .type = RTE_FLOW_ITEM_TYPE_VLAN,
460 [MLX5_EXPANSION_OUTER_IPV4] = {
461 .next = MLX5_FLOW_EXPAND_RSS_NEXT
462 (MLX5_EXPANSION_OUTER_IPV4_UDP,
463 MLX5_EXPANSION_OUTER_IPV4_TCP,
466 MLX5_EXPANSION_IPV6),
467 .type = RTE_FLOW_ITEM_TYPE_IPV4,
468 .rss_types = ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 |
469 ETH_RSS_NONFRAG_IPV4_OTHER,
471 [MLX5_EXPANSION_OUTER_IPV4_UDP] = {
472 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_VXLAN,
473 MLX5_EXPANSION_VXLAN_GPE),
474 .type = RTE_FLOW_ITEM_TYPE_UDP,
475 .rss_types = ETH_RSS_NONFRAG_IPV4_UDP,
477 [MLX5_EXPANSION_OUTER_IPV4_TCP] = {
478 .type = RTE_FLOW_ITEM_TYPE_TCP,
479 .rss_types = ETH_RSS_NONFRAG_IPV4_TCP,
481 [MLX5_EXPANSION_OUTER_IPV6] = {
482 .next = MLX5_FLOW_EXPAND_RSS_NEXT
483 (MLX5_EXPANSION_OUTER_IPV6_UDP,
484 MLX5_EXPANSION_OUTER_IPV6_TCP,
488 .type = RTE_FLOW_ITEM_TYPE_IPV6,
489 .rss_types = ETH_RSS_IPV6 | ETH_RSS_FRAG_IPV6 |
490 ETH_RSS_NONFRAG_IPV6_OTHER,
492 [MLX5_EXPANSION_OUTER_IPV6_UDP] = {
493 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_VXLAN,
494 MLX5_EXPANSION_VXLAN_GPE),
495 .type = RTE_FLOW_ITEM_TYPE_UDP,
496 .rss_types = ETH_RSS_NONFRAG_IPV6_UDP,
498 [MLX5_EXPANSION_OUTER_IPV6_TCP] = {
499 .type = RTE_FLOW_ITEM_TYPE_TCP,
500 .rss_types = ETH_RSS_NONFRAG_IPV6_TCP,
502 [MLX5_EXPANSION_VXLAN] = {
503 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH,
505 MLX5_EXPANSION_IPV6),
506 .type = RTE_FLOW_ITEM_TYPE_VXLAN,
508 [MLX5_EXPANSION_VXLAN_GPE] = {
509 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH,
511 MLX5_EXPANSION_IPV6),
512 .type = RTE_FLOW_ITEM_TYPE_VXLAN_GPE,
514 [MLX5_EXPANSION_GRE] = {
515 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4,
516 MLX5_EXPANSION_IPV6),
517 .type = RTE_FLOW_ITEM_TYPE_GRE,
519 [MLX5_EXPANSION_MPLS] = {
520 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4,
521 MLX5_EXPANSION_IPV6),
522 .type = RTE_FLOW_ITEM_TYPE_MPLS,
524 [MLX5_EXPANSION_ETH] = {
525 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4,
526 MLX5_EXPANSION_IPV6),
527 .type = RTE_FLOW_ITEM_TYPE_ETH,
529 [MLX5_EXPANSION_ETH_VLAN] = {
530 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_VLAN),
531 .type = RTE_FLOW_ITEM_TYPE_ETH,
533 [MLX5_EXPANSION_VLAN] = {
534 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4,
535 MLX5_EXPANSION_IPV6),
536 .type = RTE_FLOW_ITEM_TYPE_VLAN,
538 [MLX5_EXPANSION_IPV4] = {
539 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4_UDP,
540 MLX5_EXPANSION_IPV4_TCP),
541 .type = RTE_FLOW_ITEM_TYPE_IPV4,
542 .rss_types = ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 |
543 ETH_RSS_NONFRAG_IPV4_OTHER,
545 [MLX5_EXPANSION_IPV4_UDP] = {
546 .type = RTE_FLOW_ITEM_TYPE_UDP,
547 .rss_types = ETH_RSS_NONFRAG_IPV4_UDP,
549 [MLX5_EXPANSION_IPV4_TCP] = {
550 .type = RTE_FLOW_ITEM_TYPE_TCP,
551 .rss_types = ETH_RSS_NONFRAG_IPV4_TCP,
553 [MLX5_EXPANSION_IPV6] = {
554 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV6_UDP,
555 MLX5_EXPANSION_IPV6_TCP),
556 .type = RTE_FLOW_ITEM_TYPE_IPV6,
557 .rss_types = ETH_RSS_IPV6 | ETH_RSS_FRAG_IPV6 |
558 ETH_RSS_NONFRAG_IPV6_OTHER,
560 [MLX5_EXPANSION_IPV6_UDP] = {
561 .type = RTE_FLOW_ITEM_TYPE_UDP,
562 .rss_types = ETH_RSS_NONFRAG_IPV6_UDP,
564 [MLX5_EXPANSION_IPV6_TCP] = {
565 .type = RTE_FLOW_ITEM_TYPE_TCP,
566 .rss_types = ETH_RSS_NONFRAG_IPV6_TCP,
570 static struct rte_flow_action_handle *
571 mlx5_action_handle_create(struct rte_eth_dev *dev,
572 const struct rte_flow_indir_action_conf *conf,
573 const struct rte_flow_action *action,
574 struct rte_flow_error *error);
575 static int mlx5_action_handle_destroy
576 (struct rte_eth_dev *dev,
577 struct rte_flow_action_handle *handle,
578 struct rte_flow_error *error);
579 static int mlx5_action_handle_update
580 (struct rte_eth_dev *dev,
581 struct rte_flow_action_handle *handle,
583 struct rte_flow_error *error);
584 static int mlx5_action_handle_query
585 (struct rte_eth_dev *dev,
586 const struct rte_flow_action_handle *handle,
588 struct rte_flow_error *error);
590 mlx5_flow_tunnel_decap_set(struct rte_eth_dev *dev,
591 struct rte_flow_tunnel *app_tunnel,
592 struct rte_flow_action **actions,
593 uint32_t *num_of_actions,
594 struct rte_flow_error *error);
596 mlx5_flow_tunnel_match(struct rte_eth_dev *dev,
597 struct rte_flow_tunnel *app_tunnel,
598 struct rte_flow_item **items,
599 uint32_t *num_of_items,
600 struct rte_flow_error *error);
602 mlx5_flow_tunnel_item_release(struct rte_eth_dev *dev,
603 struct rte_flow_item *pmd_items,
604 uint32_t num_items, struct rte_flow_error *err);
606 mlx5_flow_tunnel_action_release(struct rte_eth_dev *dev,
607 struct rte_flow_action *pmd_actions,
608 uint32_t num_actions,
609 struct rte_flow_error *err);
611 mlx5_flow_tunnel_get_restore_info(struct rte_eth_dev *dev,
613 struct rte_flow_restore_info *info,
614 struct rte_flow_error *err);
616 static const struct rte_flow_ops mlx5_flow_ops = {
617 .validate = mlx5_flow_validate,
618 .create = mlx5_flow_create,
619 .destroy = mlx5_flow_destroy,
620 .flush = mlx5_flow_flush,
621 .isolate = mlx5_flow_isolate,
622 .query = mlx5_flow_query,
623 .dev_dump = mlx5_flow_dev_dump,
624 .get_aged_flows = mlx5_flow_get_aged_flows,
625 .action_handle_create = mlx5_action_handle_create,
626 .action_handle_destroy = mlx5_action_handle_destroy,
627 .action_handle_update = mlx5_action_handle_update,
628 .action_handle_query = mlx5_action_handle_query,
629 .tunnel_decap_set = mlx5_flow_tunnel_decap_set,
630 .tunnel_match = mlx5_flow_tunnel_match,
631 .tunnel_action_decap_release = mlx5_flow_tunnel_action_release,
632 .tunnel_item_release = mlx5_flow_tunnel_item_release,
633 .get_restore_info = mlx5_flow_tunnel_get_restore_info,
636 /* Tunnel information. */
637 struct mlx5_flow_tunnel_info {
638 uint64_t tunnel; /**< Tunnel bit (see MLX5_FLOW_*). */
639 uint32_t ptype; /**< Tunnel Ptype (see RTE_PTYPE_*). */
642 static struct mlx5_flow_tunnel_info tunnels_info[] = {
644 .tunnel = MLX5_FLOW_LAYER_VXLAN,
645 .ptype = RTE_PTYPE_TUNNEL_VXLAN | RTE_PTYPE_L4_UDP,
648 .tunnel = MLX5_FLOW_LAYER_GENEVE,
649 .ptype = RTE_PTYPE_TUNNEL_GENEVE | RTE_PTYPE_L4_UDP,
652 .tunnel = MLX5_FLOW_LAYER_VXLAN_GPE,
653 .ptype = RTE_PTYPE_TUNNEL_VXLAN_GPE | RTE_PTYPE_L4_UDP,
656 .tunnel = MLX5_FLOW_LAYER_GRE,
657 .ptype = RTE_PTYPE_TUNNEL_GRE,
660 .tunnel = MLX5_FLOW_LAYER_MPLS | MLX5_FLOW_LAYER_OUTER_L4_UDP,
661 .ptype = RTE_PTYPE_TUNNEL_MPLS_IN_UDP | RTE_PTYPE_L4_UDP,
664 .tunnel = MLX5_FLOW_LAYER_MPLS,
665 .ptype = RTE_PTYPE_TUNNEL_MPLS_IN_GRE,
668 .tunnel = MLX5_FLOW_LAYER_NVGRE,
669 .ptype = RTE_PTYPE_TUNNEL_NVGRE,
672 .tunnel = MLX5_FLOW_LAYER_IPIP,
673 .ptype = RTE_PTYPE_TUNNEL_IP,
676 .tunnel = MLX5_FLOW_LAYER_IPV6_ENCAP,
677 .ptype = RTE_PTYPE_TUNNEL_IP,
680 .tunnel = MLX5_FLOW_LAYER_GTP,
681 .ptype = RTE_PTYPE_TUNNEL_GTPU,
688 * Translate tag ID to register.
691 * Pointer to the Ethernet device structure.
693 * The feature that request the register.
695 * The request register ID.
697 * Error description in case of any.
700 * The request register on success, a negative errno
701 * value otherwise and rte_errno is set.
704 mlx5_flow_get_reg_id(struct rte_eth_dev *dev,
705 enum mlx5_feature_name feature,
707 struct rte_flow_error *error)
709 struct mlx5_priv *priv = dev->data->dev_private;
710 struct mlx5_dev_config *config = &priv->config;
711 enum modify_reg start_reg;
712 bool skip_mtr_reg = false;
715 case MLX5_HAIRPIN_RX:
717 case MLX5_HAIRPIN_TX:
719 case MLX5_METADATA_RX:
720 switch (config->dv_xmeta_en) {
721 case MLX5_XMETA_MODE_LEGACY:
723 case MLX5_XMETA_MODE_META16:
725 case MLX5_XMETA_MODE_META32:
729 case MLX5_METADATA_TX:
731 case MLX5_METADATA_FDB:
732 switch (config->dv_xmeta_en) {
733 case MLX5_XMETA_MODE_LEGACY:
735 case MLX5_XMETA_MODE_META16:
737 case MLX5_XMETA_MODE_META32:
742 switch (config->dv_xmeta_en) {
743 case MLX5_XMETA_MODE_LEGACY:
745 case MLX5_XMETA_MODE_META16:
747 case MLX5_XMETA_MODE_META32:
753 * If meter color and meter id share one register, flow match
754 * should use the meter color register for match.
756 if (priv->mtr_reg_share)
757 return priv->mtr_color_reg;
759 return priv->mtr_color_reg != REG_C_2 ? REG_C_2 :
762 case MLX5_ASO_FLOW_HIT: /* Both features use the same REG_C. */
763 MLX5_ASSERT(priv->mtr_color_reg != REG_NON);
764 return priv->mtr_color_reg;
767 * Metadata COPY_MARK register using is in meter suffix sub
768 * flow while with meter. It's safe to share the same register.
770 return priv->mtr_color_reg != REG_C_2 ? REG_C_2 : REG_C_3;
773 * If meter is enable, it will engage the register for color
774 * match and flow match. If meter color match is not using the
775 * REG_C_2, need to skip the REG_C_x be used by meter color
777 * If meter is disable, free to use all available registers.
779 start_reg = priv->mtr_color_reg != REG_C_2 ? REG_C_2 :
780 (priv->mtr_reg_share ? REG_C_3 : REG_C_4);
781 skip_mtr_reg = !!(priv->mtr_en && start_reg == REG_C_2);
782 if (id > (uint32_t)(REG_C_7 - start_reg))
783 return rte_flow_error_set(error, EINVAL,
784 RTE_FLOW_ERROR_TYPE_ITEM,
785 NULL, "invalid tag id");
786 if (config->flow_mreg_c[id + start_reg - REG_C_0] == REG_NON)
787 return rte_flow_error_set(error, ENOTSUP,
788 RTE_FLOW_ERROR_TYPE_ITEM,
789 NULL, "unsupported tag id");
791 * This case means meter is using the REG_C_x great than 2.
792 * Take care not to conflict with meter color REG_C_x.
793 * If the available index REG_C_y >= REG_C_x, skip the
796 if (skip_mtr_reg && config->flow_mreg_c
797 [id + start_reg - REG_C_0] >= priv->mtr_color_reg) {
798 if (id >= (uint32_t)(REG_C_7 - start_reg))
799 return rte_flow_error_set(error, EINVAL,
800 RTE_FLOW_ERROR_TYPE_ITEM,
801 NULL, "invalid tag id");
802 if (config->flow_mreg_c
803 [id + 1 + start_reg - REG_C_0] != REG_NON)
804 return config->flow_mreg_c
805 [id + 1 + start_reg - REG_C_0];
806 return rte_flow_error_set(error, ENOTSUP,
807 RTE_FLOW_ERROR_TYPE_ITEM,
808 NULL, "unsupported tag id");
810 return config->flow_mreg_c[id + start_reg - REG_C_0];
813 return rte_flow_error_set(error, EINVAL,
814 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
815 NULL, "invalid feature name");
819 * Check extensive flow metadata register support.
822 * Pointer to rte_eth_dev structure.
825 * True if device supports extensive flow metadata register, otherwise false.
828 mlx5_flow_ext_mreg_supported(struct rte_eth_dev *dev)
830 struct mlx5_priv *priv = dev->data->dev_private;
831 struct mlx5_dev_config *config = &priv->config;
834 * Having available reg_c can be regarded inclusively as supporting
835 * extensive flow metadata register, which could mean,
836 * - metadata register copy action by modify header.
837 * - 16 modify header actions is supported.
838 * - reg_c's are preserved across different domain (FDB and NIC) on
839 * packet loopback by flow lookup miss.
841 return config->flow_mreg_c[2] != REG_NON;
845 * Get the lowest priority.
848 * Pointer to the Ethernet device structure.
849 * @param[in] attributes
850 * Pointer to device flow rule attributes.
853 * The value of lowest priority of flow.
856 mlx5_get_lowest_priority(struct rte_eth_dev *dev,
857 const struct rte_flow_attr *attr)
859 struct mlx5_priv *priv = dev->data->dev_private;
861 if (!attr->group && !attr->transfer)
862 return priv->config.flow_prio - 2;
863 return MLX5_NON_ROOT_FLOW_MAX_PRIO - 1;
867 * Calculate matcher priority of the flow.
870 * Pointer to the Ethernet device structure.
872 * Pointer to device flow rule attributes.
873 * @param[in] subpriority
874 * The priority based on the items.
876 * The matcher priority of the flow.
879 mlx5_get_matcher_priority(struct rte_eth_dev *dev,
880 const struct rte_flow_attr *attr,
881 uint32_t subpriority)
883 uint16_t priority = (uint16_t)attr->priority;
884 struct mlx5_priv *priv = dev->data->dev_private;
886 if (!attr->group && !attr->transfer) {
887 if (attr->priority == MLX5_FLOW_LOWEST_PRIO_INDICATOR)
888 priority = priv->config.flow_prio - 1;
889 return mlx5_os_flow_adjust_priority(dev, priority, subpriority);
891 if (attr->priority == MLX5_FLOW_LOWEST_PRIO_INDICATOR)
892 priority = MLX5_NON_ROOT_FLOW_MAX_PRIO;
893 return priority * 3 + subpriority;
897 * Verify the @p item specifications (spec, last, mask) are compatible with the
901 * Item specification.
903 * @p item->mask or flow default bit-masks.
904 * @param[in] nic_mask
905 * Bit-masks covering supported fields by the NIC to compare with user mask.
907 * Bit-masks size in bytes.
908 * @param[in] range_accepted
909 * True if range of values is accepted for specific fields, false otherwise.
911 * Pointer to error structure.
914 * 0 on success, a negative errno value otherwise and rte_errno is set.
917 mlx5_flow_item_acceptable(const struct rte_flow_item *item,
919 const uint8_t *nic_mask,
922 struct rte_flow_error *error)
926 MLX5_ASSERT(nic_mask);
927 for (i = 0; i < size; ++i)
928 if ((nic_mask[i] | mask[i]) != nic_mask[i])
929 return rte_flow_error_set(error, ENOTSUP,
930 RTE_FLOW_ERROR_TYPE_ITEM,
932 "mask enables non supported"
934 if (!item->spec && (item->mask || item->last))
935 return rte_flow_error_set(error, EINVAL,
936 RTE_FLOW_ERROR_TYPE_ITEM, item,
937 "mask/last without a spec is not"
939 if (item->spec && item->last && !range_accepted) {
945 for (i = 0; i < size; ++i) {
946 spec[i] = ((const uint8_t *)item->spec)[i] & mask[i];
947 last[i] = ((const uint8_t *)item->last)[i] & mask[i];
949 ret = memcmp(spec, last, size);
951 return rte_flow_error_set(error, EINVAL,
952 RTE_FLOW_ERROR_TYPE_ITEM,
954 "range is not valid");
960 * Adjust the hash fields according to the @p flow information.
962 * @param[in] dev_flow.
963 * Pointer to the mlx5_flow.
965 * 1 when the hash field is for a tunnel item.
966 * @param[in] layer_types
968 * @param[in] hash_fields
972 * The hash fields that should be used.
975 mlx5_flow_hashfields_adjust(struct mlx5_flow_rss_desc *rss_desc,
976 int tunnel __rte_unused, uint64_t layer_types,
977 uint64_t hash_fields)
979 #ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
980 int rss_request_inner = rss_desc->level >= 2;
982 /* Check RSS hash level for tunnel. */
983 if (tunnel && rss_request_inner)
984 hash_fields |= IBV_RX_HASH_INNER;
985 else if (tunnel || rss_request_inner)
988 /* Check if requested layer matches RSS hash fields. */
989 if (!(rss_desc->types & layer_types))
995 * Lookup and set the ptype in the data Rx part. A single Ptype can be used,
996 * if several tunnel rules are used on this queue, the tunnel ptype will be
1000 * Rx queue to update.
1003 flow_rxq_tunnel_ptype_update(struct mlx5_rxq_ctrl *rxq_ctrl)
1006 uint32_t tunnel_ptype = 0;
1008 /* Look up for the ptype to use. */
1009 for (i = 0; i != MLX5_FLOW_TUNNEL; ++i) {
1010 if (!rxq_ctrl->flow_tunnels_n[i])
1012 if (!tunnel_ptype) {
1013 tunnel_ptype = tunnels_info[i].ptype;
1019 rxq_ctrl->rxq.tunnel = tunnel_ptype;
1023 * Set the Rx queue flags (Mark/Flag and Tunnel Ptypes) according to the devive
1027 * Pointer to the Ethernet device structure.
1028 * @param[in] dev_handle
1029 * Pointer to device flow handle structure.
1032 flow_drv_rxq_flags_set(struct rte_eth_dev *dev,
1033 struct mlx5_flow_handle *dev_handle)
1035 struct mlx5_priv *priv = dev->data->dev_private;
1036 const int mark = dev_handle->mark;
1037 const int tunnel = !!(dev_handle->layers & MLX5_FLOW_LAYER_TUNNEL);
1038 struct mlx5_ind_table_obj *ind_tbl = NULL;
1041 if (dev_handle->fate_action == MLX5_FLOW_FATE_QUEUE) {
1042 struct mlx5_hrxq *hrxq;
1044 hrxq = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_HRXQ],
1045 dev_handle->rix_hrxq);
1047 ind_tbl = hrxq->ind_table;
1048 } else if (dev_handle->fate_action == MLX5_FLOW_FATE_SHARED_RSS) {
1049 struct mlx5_shared_action_rss *shared_rss;
1051 shared_rss = mlx5_ipool_get
1052 (priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS],
1053 dev_handle->rix_srss);
1055 ind_tbl = shared_rss->ind_tbl;
1059 for (i = 0; i != ind_tbl->queues_n; ++i) {
1060 int idx = ind_tbl->queues[i];
1061 struct mlx5_rxq_ctrl *rxq_ctrl =
1062 container_of((*priv->rxqs)[idx],
1063 struct mlx5_rxq_ctrl, rxq);
1066 * To support metadata register copy on Tx loopback,
1067 * this must be always enabled (metadata may arive
1068 * from other port - not from local flows only.
1070 if (priv->config.dv_flow_en &&
1071 priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY &&
1072 mlx5_flow_ext_mreg_supported(dev)) {
1073 rxq_ctrl->rxq.mark = 1;
1074 rxq_ctrl->flow_mark_n = 1;
1076 rxq_ctrl->rxq.mark = 1;
1077 rxq_ctrl->flow_mark_n++;
1082 /* Increase the counter matching the flow. */
1083 for (j = 0; j != MLX5_FLOW_TUNNEL; ++j) {
1084 if ((tunnels_info[j].tunnel &
1085 dev_handle->layers) ==
1086 tunnels_info[j].tunnel) {
1087 rxq_ctrl->flow_tunnels_n[j]++;
1091 flow_rxq_tunnel_ptype_update(rxq_ctrl);
1097 * Set the Rx queue flags (Mark/Flag and Tunnel Ptypes) for a flow
1100 * Pointer to the Ethernet device structure.
1102 * Pointer to flow structure.
1105 flow_rxq_flags_set(struct rte_eth_dev *dev, struct rte_flow *flow)
1107 struct mlx5_priv *priv = dev->data->dev_private;
1108 uint32_t handle_idx;
1109 struct mlx5_flow_handle *dev_handle;
1111 SILIST_FOREACH(priv->sh->ipool[MLX5_IPOOL_MLX5_FLOW], flow->dev_handles,
1112 handle_idx, dev_handle, next)
1113 flow_drv_rxq_flags_set(dev, dev_handle);
1117 * Clear the Rx queue flags (Mark/Flag and Tunnel Ptype) associated with the
1118 * device flow if no other flow uses it with the same kind of request.
1121 * Pointer to Ethernet device.
1122 * @param[in] dev_handle
1123 * Pointer to the device flow handle structure.
1126 flow_drv_rxq_flags_trim(struct rte_eth_dev *dev,
1127 struct mlx5_flow_handle *dev_handle)
1129 struct mlx5_priv *priv = dev->data->dev_private;
1130 const int mark = dev_handle->mark;
1131 const int tunnel = !!(dev_handle->layers & MLX5_FLOW_LAYER_TUNNEL);
1132 struct mlx5_ind_table_obj *ind_tbl = NULL;
1135 if (dev_handle->fate_action == MLX5_FLOW_FATE_QUEUE) {
1136 struct mlx5_hrxq *hrxq;
1138 hrxq = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_HRXQ],
1139 dev_handle->rix_hrxq);
1141 ind_tbl = hrxq->ind_table;
1142 } else if (dev_handle->fate_action == MLX5_FLOW_FATE_SHARED_RSS) {
1143 struct mlx5_shared_action_rss *shared_rss;
1145 shared_rss = mlx5_ipool_get
1146 (priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS],
1147 dev_handle->rix_srss);
1149 ind_tbl = shared_rss->ind_tbl;
1153 MLX5_ASSERT(dev->data->dev_started);
1154 for (i = 0; i != ind_tbl->queues_n; ++i) {
1155 int idx = ind_tbl->queues[i];
1156 struct mlx5_rxq_ctrl *rxq_ctrl =
1157 container_of((*priv->rxqs)[idx],
1158 struct mlx5_rxq_ctrl, rxq);
1160 if (priv->config.dv_flow_en &&
1161 priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY &&
1162 mlx5_flow_ext_mreg_supported(dev)) {
1163 rxq_ctrl->rxq.mark = 1;
1164 rxq_ctrl->flow_mark_n = 1;
1166 rxq_ctrl->flow_mark_n--;
1167 rxq_ctrl->rxq.mark = !!rxq_ctrl->flow_mark_n;
1172 /* Decrease the counter matching the flow. */
1173 for (j = 0; j != MLX5_FLOW_TUNNEL; ++j) {
1174 if ((tunnels_info[j].tunnel &
1175 dev_handle->layers) ==
1176 tunnels_info[j].tunnel) {
1177 rxq_ctrl->flow_tunnels_n[j]--;
1181 flow_rxq_tunnel_ptype_update(rxq_ctrl);
1187 * Clear the Rx queue flags (Mark/Flag and Tunnel Ptype) associated with the
1188 * @p flow if no other flow uses it with the same kind of request.
1191 * Pointer to Ethernet device.
1193 * Pointer to the flow.
1196 flow_rxq_flags_trim(struct rte_eth_dev *dev, struct rte_flow *flow)
1198 struct mlx5_priv *priv = dev->data->dev_private;
1199 uint32_t handle_idx;
1200 struct mlx5_flow_handle *dev_handle;
1202 SILIST_FOREACH(priv->sh->ipool[MLX5_IPOOL_MLX5_FLOW], flow->dev_handles,
1203 handle_idx, dev_handle, next)
1204 flow_drv_rxq_flags_trim(dev, dev_handle);
1208 * Clear the Mark/Flag and Tunnel ptype information in all Rx queues.
1211 * Pointer to Ethernet device.
1214 flow_rxq_flags_clear(struct rte_eth_dev *dev)
1216 struct mlx5_priv *priv = dev->data->dev_private;
1219 for (i = 0; i != priv->rxqs_n; ++i) {
1220 struct mlx5_rxq_ctrl *rxq_ctrl;
1223 if (!(*priv->rxqs)[i])
1225 rxq_ctrl = container_of((*priv->rxqs)[i],
1226 struct mlx5_rxq_ctrl, rxq);
1227 rxq_ctrl->flow_mark_n = 0;
1228 rxq_ctrl->rxq.mark = 0;
1229 for (j = 0; j != MLX5_FLOW_TUNNEL; ++j)
1230 rxq_ctrl->flow_tunnels_n[j] = 0;
1231 rxq_ctrl->rxq.tunnel = 0;
1236 * Set the Rx queue dynamic metadata (mask and offset) for a flow
1239 * Pointer to the Ethernet device structure.
1242 mlx5_flow_rxq_dynf_metadata_set(struct rte_eth_dev *dev)
1244 struct mlx5_priv *priv = dev->data->dev_private;
1245 struct mlx5_rxq_data *data;
1248 for (i = 0; i != priv->rxqs_n; ++i) {
1249 if (!(*priv->rxqs)[i])
1251 data = (*priv->rxqs)[i];
1252 if (!rte_flow_dynf_metadata_avail()) {
1253 data->dynf_meta = 0;
1254 data->flow_meta_mask = 0;
1255 data->flow_meta_offset = -1;
1256 data->flow_meta_port_mask = 0;
1258 data->dynf_meta = 1;
1259 data->flow_meta_mask = rte_flow_dynf_metadata_mask;
1260 data->flow_meta_offset = rte_flow_dynf_metadata_offs;
1261 data->flow_meta_port_mask = (uint32_t)~0;
1262 if (priv->config.dv_xmeta_en == MLX5_XMETA_MODE_META16)
1263 data->flow_meta_port_mask >>= 16;
1269 * return a pointer to the desired action in the list of actions.
1271 * @param[in] actions
1272 * The list of actions to search the action in.
1274 * The action to find.
1277 * Pointer to the action in the list, if found. NULL otherwise.
1279 const struct rte_flow_action *
1280 mlx5_flow_find_action(const struct rte_flow_action *actions,
1281 enum rte_flow_action_type action)
1283 if (actions == NULL)
1285 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++)
1286 if (actions->type == action)
1292 * Validate the flag action.
1294 * @param[in] action_flags
1295 * Bit-fields that holds the actions detected until now.
1297 * Attributes of flow that includes this action.
1299 * Pointer to error structure.
1302 * 0 on success, a negative errno value otherwise and rte_errno is set.
1305 mlx5_flow_validate_action_flag(uint64_t action_flags,
1306 const struct rte_flow_attr *attr,
1307 struct rte_flow_error *error)
1309 if (action_flags & MLX5_FLOW_ACTION_MARK)
1310 return rte_flow_error_set(error, EINVAL,
1311 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
1312 "can't mark and flag in same flow");
1313 if (action_flags & MLX5_FLOW_ACTION_FLAG)
1314 return rte_flow_error_set(error, EINVAL,
1315 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
1317 " actions in same flow");
1319 return rte_flow_error_set(error, ENOTSUP,
1320 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
1321 "flag action not supported for "
1327 * Validate the mark action.
1330 * Pointer to the queue action.
1331 * @param[in] action_flags
1332 * Bit-fields that holds the actions detected until now.
1334 * Attributes of flow that includes this action.
1336 * Pointer to error structure.
1339 * 0 on success, a negative errno value otherwise and rte_errno is set.
1342 mlx5_flow_validate_action_mark(const struct rte_flow_action *action,
1343 uint64_t action_flags,
1344 const struct rte_flow_attr *attr,
1345 struct rte_flow_error *error)
1347 const struct rte_flow_action_mark *mark = action->conf;
1350 return rte_flow_error_set(error, EINVAL,
1351 RTE_FLOW_ERROR_TYPE_ACTION,
1353 "configuration cannot be null");
1354 if (mark->id >= MLX5_FLOW_MARK_MAX)
1355 return rte_flow_error_set(error, EINVAL,
1356 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1358 "mark id must in 0 <= id < "
1359 RTE_STR(MLX5_FLOW_MARK_MAX));
1360 if (action_flags & MLX5_FLOW_ACTION_FLAG)
1361 return rte_flow_error_set(error, EINVAL,
1362 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
1363 "can't flag and mark in same flow");
1364 if (action_flags & MLX5_FLOW_ACTION_MARK)
1365 return rte_flow_error_set(error, EINVAL,
1366 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
1367 "can't have 2 mark actions in same"
1370 return rte_flow_error_set(error, ENOTSUP,
1371 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
1372 "mark action not supported for "
1378 * Validate the drop action.
1380 * @param[in] action_flags
1381 * Bit-fields that holds the actions detected until now.
1383 * Attributes of flow that includes this action.
1385 * Pointer to error structure.
1388 * 0 on success, a negative errno value otherwise and rte_errno is set.
1391 mlx5_flow_validate_action_drop(uint64_t action_flags __rte_unused,
1392 const struct rte_flow_attr *attr,
1393 struct rte_flow_error *error)
1396 return rte_flow_error_set(error, ENOTSUP,
1397 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
1398 "drop action not supported for "
1404 * Validate the queue action.
1407 * Pointer to the queue action.
1408 * @param[in] action_flags
1409 * Bit-fields that holds the actions detected until now.
1411 * Pointer to the Ethernet device structure.
1413 * Attributes of flow that includes this action.
1415 * Pointer to error structure.
1418 * 0 on success, a negative errno value otherwise and rte_errno is set.
1421 mlx5_flow_validate_action_queue(const struct rte_flow_action *action,
1422 uint64_t action_flags,
1423 struct rte_eth_dev *dev,
1424 const struct rte_flow_attr *attr,
1425 struct rte_flow_error *error)
1427 struct mlx5_priv *priv = dev->data->dev_private;
1428 const struct rte_flow_action_queue *queue = action->conf;
1430 if (action_flags & MLX5_FLOW_FATE_ACTIONS)
1431 return rte_flow_error_set(error, EINVAL,
1432 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
1433 "can't have 2 fate actions in"
1436 return rte_flow_error_set(error, EINVAL,
1437 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1438 NULL, "No Rx queues configured");
1439 if (queue->index >= priv->rxqs_n)
1440 return rte_flow_error_set(error, EINVAL,
1441 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1443 "queue index out of range");
1444 if (!(*priv->rxqs)[queue->index])
1445 return rte_flow_error_set(error, EINVAL,
1446 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1448 "queue is not configured");
1450 return rte_flow_error_set(error, ENOTSUP,
1451 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
1452 "queue action not supported for "
1458 * Validate the rss action.
1461 * Pointer to the Ethernet device structure.
1463 * Pointer to the queue action.
1465 * Pointer to error structure.
1468 * 0 on success, a negative errno value otherwise and rte_errno is set.
1471 mlx5_validate_action_rss(struct rte_eth_dev *dev,
1472 const struct rte_flow_action *action,
1473 struct rte_flow_error *error)
1475 struct mlx5_priv *priv = dev->data->dev_private;
1476 const struct rte_flow_action_rss *rss = action->conf;
1477 enum mlx5_rxq_type rxq_type = MLX5_RXQ_TYPE_UNDEFINED;
1480 if (rss->func != RTE_ETH_HASH_FUNCTION_DEFAULT &&
1481 rss->func != RTE_ETH_HASH_FUNCTION_TOEPLITZ)
1482 return rte_flow_error_set(error, ENOTSUP,
1483 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1485 "RSS hash function not supported");
1486 #ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
1491 return rte_flow_error_set(error, ENOTSUP,
1492 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1494 "tunnel RSS is not supported");
1495 /* allow RSS key_len 0 in case of NULL (default) RSS key. */
1496 if (rss->key_len == 0 && rss->key != NULL)
1497 return rte_flow_error_set(error, ENOTSUP,
1498 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1500 "RSS hash key length 0");
1501 if (rss->key_len > 0 && rss->key_len < MLX5_RSS_HASH_KEY_LEN)
1502 return rte_flow_error_set(error, ENOTSUP,
1503 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1505 "RSS hash key too small");
1506 if (rss->key_len > MLX5_RSS_HASH_KEY_LEN)
1507 return rte_flow_error_set(error, ENOTSUP,
1508 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1510 "RSS hash key too large");
1511 if (rss->queue_num > priv->config.ind_table_max_size)
1512 return rte_flow_error_set(error, ENOTSUP,
1513 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1515 "number of queues too large");
1516 if (rss->types & MLX5_RSS_HF_MASK)
1517 return rte_flow_error_set(error, ENOTSUP,
1518 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1520 "some RSS protocols are not"
1522 if ((rss->types & (ETH_RSS_L3_SRC_ONLY | ETH_RSS_L3_DST_ONLY)) &&
1523 !(rss->types & ETH_RSS_IP))
1524 return rte_flow_error_set(error, EINVAL,
1525 RTE_FLOW_ERROR_TYPE_ACTION_CONF, NULL,
1526 "L3 partial RSS requested but L3 RSS"
1527 " type not specified");
1528 if ((rss->types & (ETH_RSS_L4_SRC_ONLY | ETH_RSS_L4_DST_ONLY)) &&
1529 !(rss->types & (ETH_RSS_UDP | ETH_RSS_TCP)))
1530 return rte_flow_error_set(error, EINVAL,
1531 RTE_FLOW_ERROR_TYPE_ACTION_CONF, NULL,
1532 "L4 partial RSS requested but L4 RSS"
1533 " type not specified");
1535 return rte_flow_error_set(error, EINVAL,
1536 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1537 NULL, "No Rx queues configured");
1538 if (!rss->queue_num)
1539 return rte_flow_error_set(error, EINVAL,
1540 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1541 NULL, "No queues configured");
1542 for (i = 0; i != rss->queue_num; ++i) {
1543 struct mlx5_rxq_ctrl *rxq_ctrl;
1545 if (rss->queue[i] >= priv->rxqs_n)
1546 return rte_flow_error_set
1548 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1549 &rss->queue[i], "queue index out of range");
1550 if (!(*priv->rxqs)[rss->queue[i]])
1551 return rte_flow_error_set
1552 (error, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1553 &rss->queue[i], "queue is not configured");
1554 rxq_ctrl = container_of((*priv->rxqs)[rss->queue[i]],
1555 struct mlx5_rxq_ctrl, rxq);
1557 rxq_type = rxq_ctrl->type;
1558 if (rxq_type != rxq_ctrl->type)
1559 return rte_flow_error_set
1560 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1562 "combining hairpin and regular RSS queues is not supported");
1568 * Validate the rss action.
1571 * Pointer to the queue action.
1572 * @param[in] action_flags
1573 * Bit-fields that holds the actions detected until now.
1575 * Pointer to the Ethernet device structure.
1577 * Attributes of flow that includes this action.
1578 * @param[in] item_flags
1579 * Items that were detected.
1581 * Pointer to error structure.
1584 * 0 on success, a negative errno value otherwise and rte_errno is set.
1587 mlx5_flow_validate_action_rss(const struct rte_flow_action *action,
1588 uint64_t action_flags,
1589 struct rte_eth_dev *dev,
1590 const struct rte_flow_attr *attr,
1591 uint64_t item_flags,
1592 struct rte_flow_error *error)
1594 const struct rte_flow_action_rss *rss = action->conf;
1595 int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
1598 if (action_flags & MLX5_FLOW_FATE_ACTIONS)
1599 return rte_flow_error_set(error, EINVAL,
1600 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
1601 "can't have 2 fate actions"
1603 ret = mlx5_validate_action_rss(dev, action, error);
1607 return rte_flow_error_set(error, ENOTSUP,
1608 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
1609 "rss action not supported for "
1611 if (rss->level > 1 && !tunnel)
1612 return rte_flow_error_set(error, EINVAL,
1613 RTE_FLOW_ERROR_TYPE_ACTION_CONF, NULL,
1614 "inner RSS is not supported for "
1615 "non-tunnel flows");
1616 if ((item_flags & MLX5_FLOW_LAYER_ECPRI) &&
1617 !(item_flags & MLX5_FLOW_LAYER_INNER_L4_UDP)) {
1618 return rte_flow_error_set(error, EINVAL,
1619 RTE_FLOW_ERROR_TYPE_ACTION_CONF, NULL,
1620 "RSS on eCPRI is not supported now");
1626 * Validate the default miss action.
1628 * @param[in] action_flags
1629 * Bit-fields that holds the actions detected until now.
1631 * Pointer to error structure.
1634 * 0 on success, a negative errno value otherwise and rte_errno is set.
1637 mlx5_flow_validate_action_default_miss(uint64_t action_flags,
1638 const struct rte_flow_attr *attr,
1639 struct rte_flow_error *error)
1641 if (action_flags & MLX5_FLOW_FATE_ACTIONS)
1642 return rte_flow_error_set(error, EINVAL,
1643 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
1644 "can't have 2 fate actions in"
1647 return rte_flow_error_set(error, ENOTSUP,
1648 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
1649 "default miss action not supported "
1652 return rte_flow_error_set(error, ENOTSUP,
1653 RTE_FLOW_ERROR_TYPE_ATTR_GROUP, NULL,
1654 "only group 0 is supported");
1656 return rte_flow_error_set(error, ENOTSUP,
1657 RTE_FLOW_ERROR_TYPE_ATTR_TRANSFER,
1658 NULL, "transfer is not supported");
1663 * Validate the count action.
1666 * Pointer to the Ethernet device structure.
1668 * Attributes of flow that includes this action.
1670 * Pointer to error structure.
1673 * 0 on success, a negative errno value otherwise and rte_errno is set.
1676 mlx5_flow_validate_action_count(struct rte_eth_dev *dev __rte_unused,
1677 const struct rte_flow_attr *attr,
1678 struct rte_flow_error *error)
1681 return rte_flow_error_set(error, ENOTSUP,
1682 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
1683 "count action not supported for "
1689 * Verify the @p attributes will be correctly understood by the NIC and store
1690 * them in the @p flow if everything is correct.
1693 * Pointer to the Ethernet device structure.
1694 * @param[in] attributes
1695 * Pointer to flow attributes
1697 * Pointer to error structure.
1700 * 0 on success, a negative errno value otherwise and rte_errno is set.
1703 mlx5_flow_validate_attributes(struct rte_eth_dev *dev,
1704 const struct rte_flow_attr *attributes,
1705 struct rte_flow_error *error)
1707 struct mlx5_priv *priv = dev->data->dev_private;
1708 uint32_t priority_max = priv->config.flow_prio - 1;
1710 if (attributes->group)
1711 return rte_flow_error_set(error, ENOTSUP,
1712 RTE_FLOW_ERROR_TYPE_ATTR_GROUP,
1713 NULL, "groups is not supported");
1714 if (attributes->priority != MLX5_FLOW_LOWEST_PRIO_INDICATOR &&
1715 attributes->priority >= priority_max)
1716 return rte_flow_error_set(error, ENOTSUP,
1717 RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
1718 NULL, "priority out of range");
1719 if (attributes->egress)
1720 return rte_flow_error_set(error, ENOTSUP,
1721 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
1722 "egress is not supported");
1723 if (attributes->transfer && !priv->config.dv_esw_en)
1724 return rte_flow_error_set(error, ENOTSUP,
1725 RTE_FLOW_ERROR_TYPE_ATTR_TRANSFER,
1726 NULL, "transfer is not supported");
1727 if (!attributes->ingress)
1728 return rte_flow_error_set(error, EINVAL,
1729 RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
1731 "ingress attribute is mandatory");
1736 * Validate ICMP6 item.
1739 * Item specification.
1740 * @param[in] item_flags
1741 * Bit-fields that holds the items detected until now.
1742 * @param[in] ext_vlan_sup
1743 * Whether extended VLAN features are supported or not.
1745 * Pointer to error structure.
1748 * 0 on success, a negative errno value otherwise and rte_errno is set.
1751 mlx5_flow_validate_item_icmp6(const struct rte_flow_item *item,
1752 uint64_t item_flags,
1753 uint8_t target_protocol,
1754 struct rte_flow_error *error)
1756 const struct rte_flow_item_icmp6 *mask = item->mask;
1757 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
1758 const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV6 :
1759 MLX5_FLOW_LAYER_OUTER_L3_IPV6;
1760 const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
1761 MLX5_FLOW_LAYER_OUTER_L4;
1764 if (target_protocol != 0xFF && target_protocol != IPPROTO_ICMPV6)
1765 return rte_flow_error_set(error, EINVAL,
1766 RTE_FLOW_ERROR_TYPE_ITEM, item,
1767 "protocol filtering not compatible"
1768 " with ICMP6 layer");
1769 if (!(item_flags & l3m))
1770 return rte_flow_error_set(error, EINVAL,
1771 RTE_FLOW_ERROR_TYPE_ITEM, item,
1772 "IPv6 is mandatory to filter on"
1774 if (item_flags & l4m)
1775 return rte_flow_error_set(error, EINVAL,
1776 RTE_FLOW_ERROR_TYPE_ITEM, item,
1777 "multiple L4 layers not supported");
1779 mask = &rte_flow_item_icmp6_mask;
1780 ret = mlx5_flow_item_acceptable
1781 (item, (const uint8_t *)mask,
1782 (const uint8_t *)&rte_flow_item_icmp6_mask,
1783 sizeof(struct rte_flow_item_icmp6),
1784 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
1791 * Validate ICMP item.
1794 * Item specification.
1795 * @param[in] item_flags
1796 * Bit-fields that holds the items detected until now.
1798 * Pointer to error structure.
1801 * 0 on success, a negative errno value otherwise and rte_errno is set.
1804 mlx5_flow_validate_item_icmp(const struct rte_flow_item *item,
1805 uint64_t item_flags,
1806 uint8_t target_protocol,
1807 struct rte_flow_error *error)
1809 const struct rte_flow_item_icmp *mask = item->mask;
1810 const struct rte_flow_item_icmp nic_mask = {
1811 .hdr.icmp_type = 0xff,
1812 .hdr.icmp_code = 0xff,
1813 .hdr.icmp_ident = RTE_BE16(0xffff),
1814 .hdr.icmp_seq_nb = RTE_BE16(0xffff),
1816 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
1817 const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV4 :
1818 MLX5_FLOW_LAYER_OUTER_L3_IPV4;
1819 const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
1820 MLX5_FLOW_LAYER_OUTER_L4;
1823 if (target_protocol != 0xFF && target_protocol != IPPROTO_ICMP)
1824 return rte_flow_error_set(error, EINVAL,
1825 RTE_FLOW_ERROR_TYPE_ITEM, item,
1826 "protocol filtering not compatible"
1827 " with ICMP layer");
1828 if (!(item_flags & l3m))
1829 return rte_flow_error_set(error, EINVAL,
1830 RTE_FLOW_ERROR_TYPE_ITEM, item,
1831 "IPv4 is mandatory to filter"
1833 if (item_flags & l4m)
1834 return rte_flow_error_set(error, EINVAL,
1835 RTE_FLOW_ERROR_TYPE_ITEM, item,
1836 "multiple L4 layers not supported");
1839 ret = mlx5_flow_item_acceptable
1840 (item, (const uint8_t *)mask,
1841 (const uint8_t *)&nic_mask,
1842 sizeof(struct rte_flow_item_icmp),
1843 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
1850 * Validate Ethernet item.
1853 * Item specification.
1854 * @param[in] item_flags
1855 * Bit-fields that holds the items detected until now.
1857 * Pointer to error structure.
1860 * 0 on success, a negative errno value otherwise and rte_errno is set.
1863 mlx5_flow_validate_item_eth(const struct rte_flow_item *item,
1864 uint64_t item_flags, bool ext_vlan_sup,
1865 struct rte_flow_error *error)
1867 const struct rte_flow_item_eth *mask = item->mask;
1868 const struct rte_flow_item_eth nic_mask = {
1869 .dst.addr_bytes = "\xff\xff\xff\xff\xff\xff",
1870 .src.addr_bytes = "\xff\xff\xff\xff\xff\xff",
1871 .type = RTE_BE16(0xffff),
1872 .has_vlan = ext_vlan_sup ? 1 : 0,
1875 int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
1876 const uint64_t ethm = tunnel ? MLX5_FLOW_LAYER_INNER_L2 :
1877 MLX5_FLOW_LAYER_OUTER_L2;
1879 if (item_flags & ethm)
1880 return rte_flow_error_set(error, ENOTSUP,
1881 RTE_FLOW_ERROR_TYPE_ITEM, item,
1882 "multiple L2 layers not supported");
1883 if ((!tunnel && (item_flags & MLX5_FLOW_LAYER_OUTER_L3)) ||
1884 (tunnel && (item_flags & MLX5_FLOW_LAYER_INNER_L3)))
1885 return rte_flow_error_set(error, EINVAL,
1886 RTE_FLOW_ERROR_TYPE_ITEM, item,
1887 "L2 layer should not follow "
1889 if ((!tunnel && (item_flags & MLX5_FLOW_LAYER_OUTER_VLAN)) ||
1890 (tunnel && (item_flags & MLX5_FLOW_LAYER_INNER_VLAN)))
1891 return rte_flow_error_set(error, EINVAL,
1892 RTE_FLOW_ERROR_TYPE_ITEM, item,
1893 "L2 layer should not follow VLAN");
1895 mask = &rte_flow_item_eth_mask;
1896 ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
1897 (const uint8_t *)&nic_mask,
1898 sizeof(struct rte_flow_item_eth),
1899 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
1904 * Validate VLAN item.
1907 * Item specification.
1908 * @param[in] item_flags
1909 * Bit-fields that holds the items detected until now.
1911 * Ethernet device flow is being created on.
1913 * Pointer to error structure.
1916 * 0 on success, a negative errno value otherwise and rte_errno is set.
1919 mlx5_flow_validate_item_vlan(const struct rte_flow_item *item,
1920 uint64_t item_flags,
1921 struct rte_eth_dev *dev,
1922 struct rte_flow_error *error)
1924 const struct rte_flow_item_vlan *spec = item->spec;
1925 const struct rte_flow_item_vlan *mask = item->mask;
1926 const struct rte_flow_item_vlan nic_mask = {
1927 .tci = RTE_BE16(UINT16_MAX),
1928 .inner_type = RTE_BE16(UINT16_MAX),
1930 uint16_t vlan_tag = 0;
1931 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
1933 const uint64_t l34m = tunnel ? (MLX5_FLOW_LAYER_INNER_L3 |
1934 MLX5_FLOW_LAYER_INNER_L4) :
1935 (MLX5_FLOW_LAYER_OUTER_L3 |
1936 MLX5_FLOW_LAYER_OUTER_L4);
1937 const uint64_t vlanm = tunnel ? MLX5_FLOW_LAYER_INNER_VLAN :
1938 MLX5_FLOW_LAYER_OUTER_VLAN;
1940 if (item_flags & vlanm)
1941 return rte_flow_error_set(error, EINVAL,
1942 RTE_FLOW_ERROR_TYPE_ITEM, item,
1943 "multiple VLAN layers not supported");
1944 else if ((item_flags & l34m) != 0)
1945 return rte_flow_error_set(error, EINVAL,
1946 RTE_FLOW_ERROR_TYPE_ITEM, item,
1947 "VLAN cannot follow L3/L4 layer");
1949 mask = &rte_flow_item_vlan_mask;
1950 ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
1951 (const uint8_t *)&nic_mask,
1952 sizeof(struct rte_flow_item_vlan),
1953 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
1956 if (!tunnel && mask->tci != RTE_BE16(0x0fff)) {
1957 struct mlx5_priv *priv = dev->data->dev_private;
1959 if (priv->vmwa_context) {
1961 * Non-NULL context means we have a virtual machine
1962 * and SR-IOV enabled, we have to create VLAN interface
1963 * to make hypervisor to setup E-Switch vport
1964 * context correctly. We avoid creating the multiple
1965 * VLAN interfaces, so we cannot support VLAN tag mask.
1967 return rte_flow_error_set(error, EINVAL,
1968 RTE_FLOW_ERROR_TYPE_ITEM,
1970 "VLAN tag mask is not"
1971 " supported in virtual"
1976 vlan_tag = spec->tci;
1977 vlan_tag &= mask->tci;
1980 * From verbs perspective an empty VLAN is equivalent
1981 * to a packet without VLAN layer.
1984 return rte_flow_error_set(error, EINVAL,
1985 RTE_FLOW_ERROR_TYPE_ITEM_SPEC,
1987 "VLAN cannot be empty");
1992 * Validate IPV4 item.
1995 * Item specification.
1996 * @param[in] item_flags
1997 * Bit-fields that holds the items detected until now.
1998 * @param[in] last_item
1999 * Previous validated item in the pattern items.
2000 * @param[in] ether_type
2001 * Type in the ethernet layer header (including dot1q).
2002 * @param[in] acc_mask
2003 * Acceptable mask, if NULL default internal default mask
2004 * will be used to check whether item fields are supported.
2005 * @param[in] range_accepted
2006 * True if range of values is accepted for specific fields, false otherwise.
2008 * Pointer to error structure.
2011 * 0 on success, a negative errno value otherwise and rte_errno is set.
2014 mlx5_flow_validate_item_ipv4(const struct rte_flow_item *item,
2015 uint64_t item_flags,
2017 uint16_t ether_type,
2018 const struct rte_flow_item_ipv4 *acc_mask,
2019 bool range_accepted,
2020 struct rte_flow_error *error)
2022 const struct rte_flow_item_ipv4 *mask = item->mask;
2023 const struct rte_flow_item_ipv4 *spec = item->spec;
2024 const struct rte_flow_item_ipv4 nic_mask = {
2026 .src_addr = RTE_BE32(0xffffffff),
2027 .dst_addr = RTE_BE32(0xffffffff),
2028 .type_of_service = 0xff,
2029 .next_proto_id = 0xff,
2032 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
2033 const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
2034 MLX5_FLOW_LAYER_OUTER_L3;
2035 const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
2036 MLX5_FLOW_LAYER_OUTER_L4;
2038 uint8_t next_proto = 0xFF;
2039 const uint64_t l2_vlan = (MLX5_FLOW_LAYER_L2 |
2040 MLX5_FLOW_LAYER_OUTER_VLAN |
2041 MLX5_FLOW_LAYER_INNER_VLAN);
2043 if ((last_item & l2_vlan) && ether_type &&
2044 ether_type != RTE_ETHER_TYPE_IPV4)
2045 return rte_flow_error_set(error, EINVAL,
2046 RTE_FLOW_ERROR_TYPE_ITEM, item,
2047 "IPv4 cannot follow L2/VLAN layer "
2048 "which ether type is not IPv4");
2049 if (item_flags & MLX5_FLOW_LAYER_IPIP) {
2051 next_proto = mask->hdr.next_proto_id &
2052 spec->hdr.next_proto_id;
2053 if (next_proto == IPPROTO_IPIP || next_proto == IPPROTO_IPV6)
2054 return rte_flow_error_set(error, EINVAL,
2055 RTE_FLOW_ERROR_TYPE_ITEM,
2060 if (item_flags & MLX5_FLOW_LAYER_IPV6_ENCAP)
2061 return rte_flow_error_set(error, EINVAL,
2062 RTE_FLOW_ERROR_TYPE_ITEM, item,
2063 "wrong tunnel type - IPv6 specified "
2064 "but IPv4 item provided");
2065 if (item_flags & l3m)
2066 return rte_flow_error_set(error, ENOTSUP,
2067 RTE_FLOW_ERROR_TYPE_ITEM, item,
2068 "multiple L3 layers not supported");
2069 else if (item_flags & l4m)
2070 return rte_flow_error_set(error, EINVAL,
2071 RTE_FLOW_ERROR_TYPE_ITEM, item,
2072 "L3 cannot follow an L4 layer.");
2073 else if ((item_flags & MLX5_FLOW_LAYER_NVGRE) &&
2074 !(item_flags & MLX5_FLOW_LAYER_INNER_L2))
2075 return rte_flow_error_set(error, EINVAL,
2076 RTE_FLOW_ERROR_TYPE_ITEM, item,
2077 "L3 cannot follow an NVGRE layer.");
2079 mask = &rte_flow_item_ipv4_mask;
2080 else if (mask->hdr.next_proto_id != 0 &&
2081 mask->hdr.next_proto_id != 0xff)
2082 return rte_flow_error_set(error, EINVAL,
2083 RTE_FLOW_ERROR_TYPE_ITEM_MASK, mask,
2084 "partial mask is not supported"
2086 ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
2087 acc_mask ? (const uint8_t *)acc_mask
2088 : (const uint8_t *)&nic_mask,
2089 sizeof(struct rte_flow_item_ipv4),
2090 range_accepted, error);
2097 * Validate IPV6 item.
2100 * Item specification.
2101 * @param[in] item_flags
2102 * Bit-fields that holds the items detected until now.
2103 * @param[in] last_item
2104 * Previous validated item in the pattern items.
2105 * @param[in] ether_type
2106 * Type in the ethernet layer header (including dot1q).
2107 * @param[in] acc_mask
2108 * Acceptable mask, if NULL default internal default mask
2109 * will be used to check whether item fields are supported.
2111 * Pointer to error structure.
2114 * 0 on success, a negative errno value otherwise and rte_errno is set.
2117 mlx5_flow_validate_item_ipv6(const struct rte_flow_item *item,
2118 uint64_t item_flags,
2120 uint16_t ether_type,
2121 const struct rte_flow_item_ipv6 *acc_mask,
2122 struct rte_flow_error *error)
2124 const struct rte_flow_item_ipv6 *mask = item->mask;
2125 const struct rte_flow_item_ipv6 *spec = item->spec;
2126 const struct rte_flow_item_ipv6 nic_mask = {
2129 "\xff\xff\xff\xff\xff\xff\xff\xff"
2130 "\xff\xff\xff\xff\xff\xff\xff\xff",
2132 "\xff\xff\xff\xff\xff\xff\xff\xff"
2133 "\xff\xff\xff\xff\xff\xff\xff\xff",
2134 .vtc_flow = RTE_BE32(0xffffffff),
2138 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
2139 const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
2140 MLX5_FLOW_LAYER_OUTER_L3;
2141 const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
2142 MLX5_FLOW_LAYER_OUTER_L4;
2144 uint8_t next_proto = 0xFF;
2145 const uint64_t l2_vlan = (MLX5_FLOW_LAYER_L2 |
2146 MLX5_FLOW_LAYER_OUTER_VLAN |
2147 MLX5_FLOW_LAYER_INNER_VLAN);
2149 if ((last_item & l2_vlan) && ether_type &&
2150 ether_type != RTE_ETHER_TYPE_IPV6)
2151 return rte_flow_error_set(error, EINVAL,
2152 RTE_FLOW_ERROR_TYPE_ITEM, item,
2153 "IPv6 cannot follow L2/VLAN layer "
2154 "which ether type is not IPv6");
2155 if (mask && mask->hdr.proto == UINT8_MAX && spec)
2156 next_proto = spec->hdr.proto;
2157 if (item_flags & MLX5_FLOW_LAYER_IPV6_ENCAP) {
2158 if (next_proto == IPPROTO_IPIP || next_proto == IPPROTO_IPV6)
2159 return rte_flow_error_set(error, EINVAL,
2160 RTE_FLOW_ERROR_TYPE_ITEM,
2165 if (next_proto == IPPROTO_HOPOPTS ||
2166 next_proto == IPPROTO_ROUTING ||
2167 next_proto == IPPROTO_FRAGMENT ||
2168 next_proto == IPPROTO_ESP ||
2169 next_proto == IPPROTO_AH ||
2170 next_proto == IPPROTO_DSTOPTS)
2171 return rte_flow_error_set(error, EINVAL,
2172 RTE_FLOW_ERROR_TYPE_ITEM, item,
2173 "IPv6 proto (next header) should "
2174 "not be set as extension header");
2175 if (item_flags & MLX5_FLOW_LAYER_IPIP)
2176 return rte_flow_error_set(error, EINVAL,
2177 RTE_FLOW_ERROR_TYPE_ITEM, item,
2178 "wrong tunnel type - IPv4 specified "
2179 "but IPv6 item provided");
2180 if (item_flags & l3m)
2181 return rte_flow_error_set(error, ENOTSUP,
2182 RTE_FLOW_ERROR_TYPE_ITEM, item,
2183 "multiple L3 layers not supported");
2184 else if (item_flags & l4m)
2185 return rte_flow_error_set(error, EINVAL,
2186 RTE_FLOW_ERROR_TYPE_ITEM, item,
2187 "L3 cannot follow an L4 layer.");
2188 else if ((item_flags & MLX5_FLOW_LAYER_NVGRE) &&
2189 !(item_flags & MLX5_FLOW_LAYER_INNER_L2))
2190 return rte_flow_error_set(error, EINVAL,
2191 RTE_FLOW_ERROR_TYPE_ITEM, item,
2192 "L3 cannot follow an NVGRE layer.");
2194 mask = &rte_flow_item_ipv6_mask;
2195 ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
2196 acc_mask ? (const uint8_t *)acc_mask
2197 : (const uint8_t *)&nic_mask,
2198 sizeof(struct rte_flow_item_ipv6),
2199 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
2206 * Validate UDP item.
2209 * Item specification.
2210 * @param[in] item_flags
2211 * Bit-fields that holds the items detected until now.
2212 * @param[in] target_protocol
2213 * The next protocol in the previous item.
2214 * @param[in] flow_mask
2215 * mlx5 flow-specific (DV, verbs, etc.) supported header fields mask.
2217 * Pointer to error structure.
2220 * 0 on success, a negative errno value otherwise and rte_errno is set.
2223 mlx5_flow_validate_item_udp(const struct rte_flow_item *item,
2224 uint64_t item_flags,
2225 uint8_t target_protocol,
2226 struct rte_flow_error *error)
2228 const struct rte_flow_item_udp *mask = item->mask;
2229 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
2230 const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
2231 MLX5_FLOW_LAYER_OUTER_L3;
2232 const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
2233 MLX5_FLOW_LAYER_OUTER_L4;
2236 if (target_protocol != 0xff && target_protocol != IPPROTO_UDP)
2237 return rte_flow_error_set(error, EINVAL,
2238 RTE_FLOW_ERROR_TYPE_ITEM, item,
2239 "protocol filtering not compatible"
2241 if (!(item_flags & l3m))
2242 return rte_flow_error_set(error, EINVAL,
2243 RTE_FLOW_ERROR_TYPE_ITEM, item,
2244 "L3 is mandatory to filter on L4");
2245 if (item_flags & l4m)
2246 return rte_flow_error_set(error, EINVAL,
2247 RTE_FLOW_ERROR_TYPE_ITEM, item,
2248 "multiple L4 layers not supported");
2250 mask = &rte_flow_item_udp_mask;
2251 ret = mlx5_flow_item_acceptable
2252 (item, (const uint8_t *)mask,
2253 (const uint8_t *)&rte_flow_item_udp_mask,
2254 sizeof(struct rte_flow_item_udp), MLX5_ITEM_RANGE_NOT_ACCEPTED,
2262 * Validate TCP item.
2265 * Item specification.
2266 * @param[in] item_flags
2267 * Bit-fields that holds the items detected until now.
2268 * @param[in] target_protocol
2269 * The next protocol in the previous item.
2271 * Pointer to error structure.
2274 * 0 on success, a negative errno value otherwise and rte_errno is set.
2277 mlx5_flow_validate_item_tcp(const struct rte_flow_item *item,
2278 uint64_t item_flags,
2279 uint8_t target_protocol,
2280 const struct rte_flow_item_tcp *flow_mask,
2281 struct rte_flow_error *error)
2283 const struct rte_flow_item_tcp *mask = item->mask;
2284 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
2285 const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
2286 MLX5_FLOW_LAYER_OUTER_L3;
2287 const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
2288 MLX5_FLOW_LAYER_OUTER_L4;
2291 MLX5_ASSERT(flow_mask);
2292 if (target_protocol != 0xff && target_protocol != IPPROTO_TCP)
2293 return rte_flow_error_set(error, EINVAL,
2294 RTE_FLOW_ERROR_TYPE_ITEM, item,
2295 "protocol filtering not compatible"
2297 if (!(item_flags & l3m))
2298 return rte_flow_error_set(error, EINVAL,
2299 RTE_FLOW_ERROR_TYPE_ITEM, item,
2300 "L3 is mandatory to filter on L4");
2301 if (item_flags & l4m)
2302 return rte_flow_error_set(error, EINVAL,
2303 RTE_FLOW_ERROR_TYPE_ITEM, item,
2304 "multiple L4 layers not supported");
2306 mask = &rte_flow_item_tcp_mask;
2307 ret = mlx5_flow_item_acceptable
2308 (item, (const uint8_t *)mask,
2309 (const uint8_t *)flow_mask,
2310 sizeof(struct rte_flow_item_tcp), MLX5_ITEM_RANGE_NOT_ACCEPTED,
2318 * Validate VXLAN item.
2321 * Item specification.
2322 * @param[in] item_flags
2323 * Bit-fields that holds the items detected until now.
2324 * @param[in] target_protocol
2325 * The next protocol in the previous item.
2327 * Pointer to error structure.
2330 * 0 on success, a negative errno value otherwise and rte_errno is set.
2333 mlx5_flow_validate_item_vxlan(const struct rte_flow_item *item,
2334 uint64_t item_flags,
2335 struct rte_flow_error *error)
2337 const struct rte_flow_item_vxlan *spec = item->spec;
2338 const struct rte_flow_item_vxlan *mask = item->mask;
2343 } id = { .vlan_id = 0, };
2346 if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
2347 return rte_flow_error_set(error, ENOTSUP,
2348 RTE_FLOW_ERROR_TYPE_ITEM, item,
2349 "multiple tunnel layers not"
2352 * Verify only UDPv4 is present as defined in
2353 * https://tools.ietf.org/html/rfc7348
2355 if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L4_UDP))
2356 return rte_flow_error_set(error, EINVAL,
2357 RTE_FLOW_ERROR_TYPE_ITEM, item,
2358 "no outer UDP layer found");
2360 mask = &rte_flow_item_vxlan_mask;
2361 ret = mlx5_flow_item_acceptable
2362 (item, (const uint8_t *)mask,
2363 (const uint8_t *)&rte_flow_item_vxlan_mask,
2364 sizeof(struct rte_flow_item_vxlan),
2365 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
2369 memcpy(&id.vni[1], spec->vni, 3);
2370 memcpy(&id.vni[1], mask->vni, 3);
2372 if (!(item_flags & MLX5_FLOW_LAYER_OUTER))
2373 return rte_flow_error_set(error, ENOTSUP,
2374 RTE_FLOW_ERROR_TYPE_ITEM, item,
2375 "VXLAN tunnel must be fully defined");
2380 * Validate VXLAN_GPE item.
2383 * Item specification.
2384 * @param[in] item_flags
2385 * Bit-fields that holds the items detected until now.
2387 * Pointer to the private data structure.
2388 * @param[in] target_protocol
2389 * The next protocol in the previous item.
2391 * Pointer to error structure.
2394 * 0 on success, a negative errno value otherwise and rte_errno is set.
2397 mlx5_flow_validate_item_vxlan_gpe(const struct rte_flow_item *item,
2398 uint64_t item_flags,
2399 struct rte_eth_dev *dev,
2400 struct rte_flow_error *error)
2402 struct mlx5_priv *priv = dev->data->dev_private;
2403 const struct rte_flow_item_vxlan_gpe *spec = item->spec;
2404 const struct rte_flow_item_vxlan_gpe *mask = item->mask;
2409 } id = { .vlan_id = 0, };
2411 if (!priv->config.l3_vxlan_en)
2412 return rte_flow_error_set(error, ENOTSUP,
2413 RTE_FLOW_ERROR_TYPE_ITEM, item,
2414 "L3 VXLAN is not enabled by device"
2415 " parameter and/or not configured in"
2417 if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
2418 return rte_flow_error_set(error, ENOTSUP,
2419 RTE_FLOW_ERROR_TYPE_ITEM, item,
2420 "multiple tunnel layers not"
2423 * Verify only UDPv4 is present as defined in
2424 * https://tools.ietf.org/html/rfc7348
2426 if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L4_UDP))
2427 return rte_flow_error_set(error, EINVAL,
2428 RTE_FLOW_ERROR_TYPE_ITEM, item,
2429 "no outer UDP layer found");
2431 mask = &rte_flow_item_vxlan_gpe_mask;
2432 ret = mlx5_flow_item_acceptable
2433 (item, (const uint8_t *)mask,
2434 (const uint8_t *)&rte_flow_item_vxlan_gpe_mask,
2435 sizeof(struct rte_flow_item_vxlan_gpe),
2436 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
2441 return rte_flow_error_set(error, ENOTSUP,
2442 RTE_FLOW_ERROR_TYPE_ITEM,
2444 "VxLAN-GPE protocol"
2446 memcpy(&id.vni[1], spec->vni, 3);
2447 memcpy(&id.vni[1], mask->vni, 3);
2449 if (!(item_flags & MLX5_FLOW_LAYER_OUTER))
2450 return rte_flow_error_set(error, ENOTSUP,
2451 RTE_FLOW_ERROR_TYPE_ITEM, item,
2452 "VXLAN-GPE tunnel must be fully"
2457 * Validate GRE Key item.
2460 * Item specification.
2461 * @param[in] item_flags
2462 * Bit flags to mark detected items.
2463 * @param[in] gre_item
2464 * Pointer to gre_item
2466 * Pointer to error structure.
2469 * 0 on success, a negative errno value otherwise and rte_errno is set.
2472 mlx5_flow_validate_item_gre_key(const struct rte_flow_item *item,
2473 uint64_t item_flags,
2474 const struct rte_flow_item *gre_item,
2475 struct rte_flow_error *error)
2477 const rte_be32_t *mask = item->mask;
2479 rte_be32_t gre_key_default_mask = RTE_BE32(UINT32_MAX);
2480 const struct rte_flow_item_gre *gre_spec;
2481 const struct rte_flow_item_gre *gre_mask;
2483 if (item_flags & MLX5_FLOW_LAYER_GRE_KEY)
2484 return rte_flow_error_set(error, ENOTSUP,
2485 RTE_FLOW_ERROR_TYPE_ITEM, item,
2486 "Multiple GRE key not support");
2487 if (!(item_flags & MLX5_FLOW_LAYER_GRE))
2488 return rte_flow_error_set(error, ENOTSUP,
2489 RTE_FLOW_ERROR_TYPE_ITEM, item,
2490 "No preceding GRE header");
2491 if (item_flags & MLX5_FLOW_LAYER_INNER)
2492 return rte_flow_error_set(error, ENOTSUP,
2493 RTE_FLOW_ERROR_TYPE_ITEM, item,
2494 "GRE key following a wrong item");
2495 gre_mask = gre_item->mask;
2497 gre_mask = &rte_flow_item_gre_mask;
2498 gre_spec = gre_item->spec;
2499 if (gre_spec && (gre_mask->c_rsvd0_ver & RTE_BE16(0x2000)) &&
2500 !(gre_spec->c_rsvd0_ver & RTE_BE16(0x2000)))
2501 return rte_flow_error_set(error, EINVAL,
2502 RTE_FLOW_ERROR_TYPE_ITEM, item,
2503 "Key bit must be on");
2506 mask = &gre_key_default_mask;
2507 ret = mlx5_flow_item_acceptable
2508 (item, (const uint8_t *)mask,
2509 (const uint8_t *)&gre_key_default_mask,
2510 sizeof(rte_be32_t), MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
2515 * Validate GRE item.
2518 * Item specification.
2519 * @param[in] item_flags
2520 * Bit flags to mark detected items.
2521 * @param[in] target_protocol
2522 * The next protocol in the previous item.
2524 * Pointer to error structure.
2527 * 0 on success, a negative errno value otherwise and rte_errno is set.
2530 mlx5_flow_validate_item_gre(const struct rte_flow_item *item,
2531 uint64_t item_flags,
2532 uint8_t target_protocol,
2533 struct rte_flow_error *error)
2535 const struct rte_flow_item_gre *spec __rte_unused = item->spec;
2536 const struct rte_flow_item_gre *mask = item->mask;
2538 const struct rte_flow_item_gre nic_mask = {
2539 .c_rsvd0_ver = RTE_BE16(0xB000),
2540 .protocol = RTE_BE16(UINT16_MAX),
2543 if (target_protocol != 0xff && target_protocol != IPPROTO_GRE)
2544 return rte_flow_error_set(error, EINVAL,
2545 RTE_FLOW_ERROR_TYPE_ITEM, item,
2546 "protocol filtering not compatible"
2547 " with this GRE layer");
2548 if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
2549 return rte_flow_error_set(error, ENOTSUP,
2550 RTE_FLOW_ERROR_TYPE_ITEM, item,
2551 "multiple tunnel layers not"
2553 if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L3))
2554 return rte_flow_error_set(error, ENOTSUP,
2555 RTE_FLOW_ERROR_TYPE_ITEM, item,
2556 "L3 Layer is missing");
2558 mask = &rte_flow_item_gre_mask;
2559 ret = mlx5_flow_item_acceptable
2560 (item, (const uint8_t *)mask,
2561 (const uint8_t *)&nic_mask,
2562 sizeof(struct rte_flow_item_gre), MLX5_ITEM_RANGE_NOT_ACCEPTED,
2566 #ifndef HAVE_MLX5DV_DR
2567 #ifndef HAVE_IBV_DEVICE_MPLS_SUPPORT
2568 if (spec && (spec->protocol & mask->protocol))
2569 return rte_flow_error_set(error, ENOTSUP,
2570 RTE_FLOW_ERROR_TYPE_ITEM, item,
2571 "without MPLS support the"
2572 " specification cannot be used for"
2580 * Validate Geneve item.
2583 * Item specification.
2584 * @param[in] itemFlags
2585 * Bit-fields that holds the items detected until now.
2587 * Pointer to the private data structure.
2589 * Pointer to error structure.
2592 * 0 on success, a negative errno value otherwise and rte_errno is set.
2596 mlx5_flow_validate_item_geneve(const struct rte_flow_item *item,
2597 uint64_t item_flags,
2598 struct rte_eth_dev *dev,
2599 struct rte_flow_error *error)
2601 struct mlx5_priv *priv = dev->data->dev_private;
2602 const struct rte_flow_item_geneve *spec = item->spec;
2603 const struct rte_flow_item_geneve *mask = item->mask;
2606 uint8_t opt_len = priv->config.hca_attr.geneve_max_opt_len ?
2607 MLX5_GENEVE_OPT_LEN_1 : MLX5_GENEVE_OPT_LEN_0;
2608 const struct rte_flow_item_geneve nic_mask = {
2609 .ver_opt_len_o_c_rsvd0 = RTE_BE16(0x3f80),
2610 .vni = "\xff\xff\xff",
2611 .protocol = RTE_BE16(UINT16_MAX),
2614 if (!priv->config.hca_attr.tunnel_stateless_geneve_rx)
2615 return rte_flow_error_set(error, ENOTSUP,
2616 RTE_FLOW_ERROR_TYPE_ITEM, item,
2617 "L3 Geneve is not enabled by device"
2618 " parameter and/or not configured in"
2620 if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
2621 return rte_flow_error_set(error, ENOTSUP,
2622 RTE_FLOW_ERROR_TYPE_ITEM, item,
2623 "multiple tunnel layers not"
2626 * Verify only UDPv4 is present as defined in
2627 * https://tools.ietf.org/html/rfc7348
2629 if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L4_UDP))
2630 return rte_flow_error_set(error, EINVAL,
2631 RTE_FLOW_ERROR_TYPE_ITEM, item,
2632 "no outer UDP layer found");
2634 mask = &rte_flow_item_geneve_mask;
2635 ret = mlx5_flow_item_acceptable
2636 (item, (const uint8_t *)mask,
2637 (const uint8_t *)&nic_mask,
2638 sizeof(struct rte_flow_item_geneve),
2639 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
2643 gbhdr = rte_be_to_cpu_16(spec->ver_opt_len_o_c_rsvd0);
2644 if (MLX5_GENEVE_VER_VAL(gbhdr) ||
2645 MLX5_GENEVE_CRITO_VAL(gbhdr) ||
2646 MLX5_GENEVE_RSVD_VAL(gbhdr) || spec->rsvd1)
2647 return rte_flow_error_set(error, ENOTSUP,
2648 RTE_FLOW_ERROR_TYPE_ITEM,
2650 "Geneve protocol unsupported"
2651 " fields are being used");
2652 if (MLX5_GENEVE_OPTLEN_VAL(gbhdr) > opt_len)
2653 return rte_flow_error_set
2655 RTE_FLOW_ERROR_TYPE_ITEM,
2657 "Unsupported Geneve options length");
2659 if (!(item_flags & MLX5_FLOW_LAYER_OUTER))
2660 return rte_flow_error_set
2662 RTE_FLOW_ERROR_TYPE_ITEM, item,
2663 "Geneve tunnel must be fully defined");
2668 * Validate Geneve TLV option item.
2671 * Item specification.
2672 * @param[in] last_item
2673 * Previous validated item in the pattern items.
2674 * @param[in] geneve_item
2675 * Previous GENEVE item specification.
2677 * Pointer to the rte_eth_dev structure.
2679 * Pointer to error structure.
2682 * 0 on success, a negative errno value otherwise and rte_errno is set.
2685 mlx5_flow_validate_item_geneve_opt(const struct rte_flow_item *item,
2687 const struct rte_flow_item *geneve_item,
2688 struct rte_eth_dev *dev,
2689 struct rte_flow_error *error)
2691 struct mlx5_priv *priv = dev->data->dev_private;
2692 struct mlx5_dev_ctx_shared *sh = priv->sh;
2693 struct mlx5_geneve_tlv_option_resource *geneve_opt_resource;
2694 struct mlx5_hca_attr *hca_attr = &priv->config.hca_attr;
2695 uint8_t data_max_supported =
2696 hca_attr->max_geneve_tlv_option_data_len * 4;
2697 struct mlx5_dev_config *config = &priv->config;
2698 const struct rte_flow_item_geneve *geneve_spec;
2699 const struct rte_flow_item_geneve *geneve_mask;
2700 const struct rte_flow_item_geneve_opt *spec = item->spec;
2701 const struct rte_flow_item_geneve_opt *mask = item->mask;
2703 unsigned int data_len;
2704 uint8_t tlv_option_len;
2705 uint16_t optlen_m, optlen_v;
2706 const struct rte_flow_item_geneve_opt full_mask = {
2707 .option_class = RTE_BE16(0xffff),
2708 .option_type = 0xff,
2713 mask = &rte_flow_item_geneve_opt_mask;
2715 return rte_flow_error_set
2716 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
2717 "Geneve TLV opt class/type/length must be specified");
2718 if ((uint32_t)spec->option_len > MLX5_GENEVE_OPTLEN_MASK)
2719 return rte_flow_error_set
2720 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
2721 "Geneve TLV opt length exceeeds the limit (31)");
2722 /* Check if class type and length masks are full. */
2723 if (full_mask.option_class != mask->option_class ||
2724 full_mask.option_type != mask->option_type ||
2725 full_mask.option_len != (mask->option_len & full_mask.option_len))
2726 return rte_flow_error_set
2727 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
2728 "Geneve TLV opt class/type/length masks must be full");
2729 /* Check if length is supported */
2730 if ((uint32_t)spec->option_len >
2731 config->hca_attr.max_geneve_tlv_option_data_len)
2732 return rte_flow_error_set
2733 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
2734 "Geneve TLV opt length not supported");
2735 if (config->hca_attr.max_geneve_tlv_options > 1)
2737 "max_geneve_tlv_options supports more than 1 option");
2738 /* Check GENEVE item preceding. */
2739 if (!geneve_item || !(last_item & MLX5_FLOW_LAYER_GENEVE))
2740 return rte_flow_error_set
2741 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
2742 "Geneve opt item must be preceded with Geneve item");
2743 geneve_spec = geneve_item->spec;
2744 geneve_mask = geneve_item->mask ? geneve_item->mask :
2745 &rte_flow_item_geneve_mask;
2746 /* Check if GENEVE TLV option size doesn't exceed option length */
2747 if (geneve_spec && (geneve_mask->ver_opt_len_o_c_rsvd0 ||
2748 geneve_spec->ver_opt_len_o_c_rsvd0)) {
2749 tlv_option_len = spec->option_len & mask->option_len;
2750 optlen_v = rte_be_to_cpu_16(geneve_spec->ver_opt_len_o_c_rsvd0);
2751 optlen_v = MLX5_GENEVE_OPTLEN_VAL(optlen_v);
2752 optlen_m = rte_be_to_cpu_16(geneve_mask->ver_opt_len_o_c_rsvd0);
2753 optlen_m = MLX5_GENEVE_OPTLEN_VAL(optlen_m);
2754 if ((optlen_v & optlen_m) <= tlv_option_len)
2755 return rte_flow_error_set
2756 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
2757 "GENEVE TLV option length exceeds optlen");
2759 /* Check if length is 0 or data is 0. */
2760 if (spec->data == NULL || spec->option_len == 0)
2761 return rte_flow_error_set
2762 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
2763 "Geneve TLV opt with zero data/length not supported");
2764 /* Check not all data & mask are 0. */
2765 data_len = spec->option_len * 4;
2766 if (mask->data == NULL) {
2767 for (i = 0; i < data_len; i++)
2771 return rte_flow_error_set(error, ENOTSUP,
2772 RTE_FLOW_ERROR_TYPE_ITEM, item,
2773 "Can't match on Geneve option data 0");
2775 for (i = 0; i < data_len; i++)
2776 if (spec->data[i] & mask->data[i])
2779 return rte_flow_error_set(error, ENOTSUP,
2780 RTE_FLOW_ERROR_TYPE_ITEM, item,
2781 "Can't match on Geneve option data and mask 0");
2782 /* Check data mask supported. */
2783 for (i = data_max_supported; i < data_len ; i++)
2785 return rte_flow_error_set(error, ENOTSUP,
2786 RTE_FLOW_ERROR_TYPE_ITEM, item,
2787 "Data mask is of unsupported size");
2789 /* Check GENEVE option is supported in NIC. */
2790 if (!config->hca_attr.geneve_tlv_opt)
2791 return rte_flow_error_set
2792 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
2793 "Geneve TLV opt not supported");
2794 /* Check if we already have geneve option with different type/class. */
2795 rte_spinlock_lock(&sh->geneve_tlv_opt_sl);
2796 geneve_opt_resource = sh->geneve_tlv_option_resource;
2797 if (geneve_opt_resource != NULL)
2798 if (geneve_opt_resource->option_class != spec->option_class ||
2799 geneve_opt_resource->option_type != spec->option_type ||
2800 geneve_opt_resource->length != spec->option_len) {
2801 rte_spinlock_unlock(&sh->geneve_tlv_opt_sl);
2802 return rte_flow_error_set(error, ENOTSUP,
2803 RTE_FLOW_ERROR_TYPE_ITEM, item,
2804 "Only one Geneve TLV option supported");
2806 rte_spinlock_unlock(&sh->geneve_tlv_opt_sl);
2811 * Validate MPLS item.
2814 * Pointer to the rte_eth_dev structure.
2816 * Item specification.
2817 * @param[in] item_flags
2818 * Bit-fields that holds the items detected until now.
2819 * @param[in] prev_layer
2820 * The protocol layer indicated in previous item.
2822 * Pointer to error structure.
2825 * 0 on success, a negative errno value otherwise and rte_errno is set.
2828 mlx5_flow_validate_item_mpls(struct rte_eth_dev *dev __rte_unused,
2829 const struct rte_flow_item *item __rte_unused,
2830 uint64_t item_flags __rte_unused,
2831 uint64_t prev_layer __rte_unused,
2832 struct rte_flow_error *error)
2834 #ifdef HAVE_IBV_DEVICE_MPLS_SUPPORT
2835 const struct rte_flow_item_mpls *mask = item->mask;
2836 struct mlx5_priv *priv = dev->data->dev_private;
2839 if (!priv->config.mpls_en)
2840 return rte_flow_error_set(error, ENOTSUP,
2841 RTE_FLOW_ERROR_TYPE_ITEM, item,
2842 "MPLS not supported or"
2843 " disabled in firmware"
2845 /* MPLS over IP, UDP, GRE is allowed */
2846 if (!(prev_layer & (MLX5_FLOW_LAYER_OUTER_L3 |
2847 MLX5_FLOW_LAYER_OUTER_L4_UDP |
2848 MLX5_FLOW_LAYER_GRE |
2849 MLX5_FLOW_LAYER_GRE_KEY)))
2850 return rte_flow_error_set(error, EINVAL,
2851 RTE_FLOW_ERROR_TYPE_ITEM, item,
2852 "protocol filtering not compatible"
2853 " with MPLS layer");
2854 /* Multi-tunnel isn't allowed but MPLS over GRE is an exception. */
2855 if ((item_flags & MLX5_FLOW_LAYER_TUNNEL) &&
2856 !(item_flags & MLX5_FLOW_LAYER_GRE))
2857 return rte_flow_error_set(error, ENOTSUP,
2858 RTE_FLOW_ERROR_TYPE_ITEM, item,
2859 "multiple tunnel layers not"
2862 mask = &rte_flow_item_mpls_mask;
2863 ret = mlx5_flow_item_acceptable
2864 (item, (const uint8_t *)mask,
2865 (const uint8_t *)&rte_flow_item_mpls_mask,
2866 sizeof(struct rte_flow_item_mpls),
2867 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
2872 return rte_flow_error_set(error, ENOTSUP,
2873 RTE_FLOW_ERROR_TYPE_ITEM, item,
2874 "MPLS is not supported by Verbs, please"
2880 * Validate NVGRE item.
2883 * Item specification.
2884 * @param[in] item_flags
2885 * Bit flags to mark detected items.
2886 * @param[in] target_protocol
2887 * The next protocol in the previous item.
2889 * Pointer to error structure.
2892 * 0 on success, a negative errno value otherwise and rte_errno is set.
2895 mlx5_flow_validate_item_nvgre(const struct rte_flow_item *item,
2896 uint64_t item_flags,
2897 uint8_t target_protocol,
2898 struct rte_flow_error *error)
2900 const struct rte_flow_item_nvgre *mask = item->mask;
2903 if (target_protocol != 0xff && target_protocol != IPPROTO_GRE)
2904 return rte_flow_error_set(error, EINVAL,
2905 RTE_FLOW_ERROR_TYPE_ITEM, item,
2906 "protocol filtering not compatible"
2907 " with this GRE layer");
2908 if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
2909 return rte_flow_error_set(error, ENOTSUP,
2910 RTE_FLOW_ERROR_TYPE_ITEM, item,
2911 "multiple tunnel layers not"
2913 if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L3))
2914 return rte_flow_error_set(error, ENOTSUP,
2915 RTE_FLOW_ERROR_TYPE_ITEM, item,
2916 "L3 Layer is missing");
2918 mask = &rte_flow_item_nvgre_mask;
2919 ret = mlx5_flow_item_acceptable
2920 (item, (const uint8_t *)mask,
2921 (const uint8_t *)&rte_flow_item_nvgre_mask,
2922 sizeof(struct rte_flow_item_nvgre),
2923 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
2930 * Validate eCPRI item.
2933 * Item specification.
2934 * @param[in] item_flags
2935 * Bit-fields that holds the items detected until now.
2936 * @param[in] last_item
2937 * Previous validated item in the pattern items.
2938 * @param[in] ether_type
2939 * Type in the ethernet layer header (including dot1q).
2940 * @param[in] acc_mask
2941 * Acceptable mask, if NULL default internal default mask
2942 * will be used to check whether item fields are supported.
2944 * Pointer to error structure.
2947 * 0 on success, a negative errno value otherwise and rte_errno is set.
2950 mlx5_flow_validate_item_ecpri(const struct rte_flow_item *item,
2951 uint64_t item_flags,
2953 uint16_t ether_type,
2954 const struct rte_flow_item_ecpri *acc_mask,
2955 struct rte_flow_error *error)
2957 const struct rte_flow_item_ecpri *mask = item->mask;
2958 const struct rte_flow_item_ecpri nic_mask = {
2962 RTE_BE32(((const struct rte_ecpri_common_hdr) {
2966 .dummy[0] = 0xFFFFFFFF,
2969 const uint64_t outer_l2_vlan = (MLX5_FLOW_LAYER_OUTER_L2 |
2970 MLX5_FLOW_LAYER_OUTER_VLAN);
2971 struct rte_flow_item_ecpri mask_lo;
2973 if (!(last_item & outer_l2_vlan) &&
2974 last_item != MLX5_FLOW_LAYER_OUTER_L4_UDP)
2975 return rte_flow_error_set(error, EINVAL,
2976 RTE_FLOW_ERROR_TYPE_ITEM, item,
2977 "eCPRI can only follow L2/VLAN layer or UDP layer");
2978 if ((last_item & outer_l2_vlan) && ether_type &&
2979 ether_type != RTE_ETHER_TYPE_ECPRI)
2980 return rte_flow_error_set(error, EINVAL,
2981 RTE_FLOW_ERROR_TYPE_ITEM, item,
2982 "eCPRI cannot follow L2/VLAN layer which ether type is not 0xAEFE");
2983 if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
2984 return rte_flow_error_set(error, EINVAL,
2985 RTE_FLOW_ERROR_TYPE_ITEM, item,
2986 "eCPRI with tunnel is not supported right now");
2987 if (item_flags & MLX5_FLOW_LAYER_OUTER_L3)
2988 return rte_flow_error_set(error, ENOTSUP,
2989 RTE_FLOW_ERROR_TYPE_ITEM, item,
2990 "multiple L3 layers not supported");
2991 else if (item_flags & MLX5_FLOW_LAYER_OUTER_L4_TCP)
2992 return rte_flow_error_set(error, EINVAL,
2993 RTE_FLOW_ERROR_TYPE_ITEM, item,
2994 "eCPRI cannot coexist with a TCP layer");
2995 /* In specification, eCPRI could be over UDP layer. */
2996 else if (item_flags & MLX5_FLOW_LAYER_OUTER_L4_UDP)
2997 return rte_flow_error_set(error, EINVAL,
2998 RTE_FLOW_ERROR_TYPE_ITEM, item,
2999 "eCPRI over UDP layer is not yet supported right now");
3000 /* Mask for type field in common header could be zero. */
3002 mask = &rte_flow_item_ecpri_mask;
3003 mask_lo.hdr.common.u32 = rte_be_to_cpu_32(mask->hdr.common.u32);
3004 /* Input mask is in big-endian format. */
3005 if (mask_lo.hdr.common.type != 0 && mask_lo.hdr.common.type != 0xff)
3006 return rte_flow_error_set(error, EINVAL,
3007 RTE_FLOW_ERROR_TYPE_ITEM_MASK, mask,
3008 "partial mask is not supported for protocol");
3009 else if (mask_lo.hdr.common.type == 0 && mask->hdr.dummy[0] != 0)
3010 return rte_flow_error_set(error, EINVAL,
3011 RTE_FLOW_ERROR_TYPE_ITEM_MASK, mask,
3012 "message header mask must be after a type mask");
3013 return mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
3014 acc_mask ? (const uint8_t *)acc_mask
3015 : (const uint8_t *)&nic_mask,
3016 sizeof(struct rte_flow_item_ecpri),
3017 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
3021 * Release resource related QUEUE/RSS action split.
3024 * Pointer to Ethernet device.
3026 * Flow to release id's from.
3029 flow_mreg_split_qrss_release(struct rte_eth_dev *dev,
3030 struct rte_flow *flow)
3032 struct mlx5_priv *priv = dev->data->dev_private;
3033 uint32_t handle_idx;
3034 struct mlx5_flow_handle *dev_handle;
3036 SILIST_FOREACH(priv->sh->ipool[MLX5_IPOOL_MLX5_FLOW], flow->dev_handles,
3037 handle_idx, dev_handle, next)
3038 if (dev_handle->split_flow_id &&
3039 !dev_handle->is_meter_flow_id)
3040 mlx5_ipool_free(priv->sh->ipool
3041 [MLX5_IPOOL_RSS_EXPANTION_FLOW_ID],
3042 dev_handle->split_flow_id);
3046 flow_null_validate(struct rte_eth_dev *dev __rte_unused,
3047 const struct rte_flow_attr *attr __rte_unused,
3048 const struct rte_flow_item items[] __rte_unused,
3049 const struct rte_flow_action actions[] __rte_unused,
3050 bool external __rte_unused,
3051 int hairpin __rte_unused,
3052 struct rte_flow_error *error)
3054 return rte_flow_error_set(error, ENOTSUP,
3055 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, NULL);
3058 static struct mlx5_flow *
3059 flow_null_prepare(struct rte_eth_dev *dev __rte_unused,
3060 const struct rte_flow_attr *attr __rte_unused,
3061 const struct rte_flow_item items[] __rte_unused,
3062 const struct rte_flow_action actions[] __rte_unused,
3063 struct rte_flow_error *error)
3065 rte_flow_error_set(error, ENOTSUP,
3066 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, NULL);
3071 flow_null_translate(struct rte_eth_dev *dev __rte_unused,
3072 struct mlx5_flow *dev_flow __rte_unused,
3073 const struct rte_flow_attr *attr __rte_unused,
3074 const struct rte_flow_item items[] __rte_unused,
3075 const struct rte_flow_action actions[] __rte_unused,
3076 struct rte_flow_error *error)
3078 return rte_flow_error_set(error, ENOTSUP,
3079 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, NULL);
3083 flow_null_apply(struct rte_eth_dev *dev __rte_unused,
3084 struct rte_flow *flow __rte_unused,
3085 struct rte_flow_error *error)
3087 return rte_flow_error_set(error, ENOTSUP,
3088 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, NULL);
3092 flow_null_remove(struct rte_eth_dev *dev __rte_unused,
3093 struct rte_flow *flow __rte_unused)
3098 flow_null_destroy(struct rte_eth_dev *dev __rte_unused,
3099 struct rte_flow *flow __rte_unused)
3104 flow_null_query(struct rte_eth_dev *dev __rte_unused,
3105 struct rte_flow *flow __rte_unused,
3106 const struct rte_flow_action *actions __rte_unused,
3107 void *data __rte_unused,
3108 struct rte_flow_error *error)
3110 return rte_flow_error_set(error, ENOTSUP,
3111 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, NULL);
3115 flow_null_sync_domain(struct rte_eth_dev *dev __rte_unused,
3116 uint32_t domains __rte_unused,
3117 uint32_t flags __rte_unused)
3122 /* Void driver to protect from null pointer reference. */
3123 const struct mlx5_flow_driver_ops mlx5_flow_null_drv_ops = {
3124 .validate = flow_null_validate,
3125 .prepare = flow_null_prepare,
3126 .translate = flow_null_translate,
3127 .apply = flow_null_apply,
3128 .remove = flow_null_remove,
3129 .destroy = flow_null_destroy,
3130 .query = flow_null_query,
3131 .sync_domain = flow_null_sync_domain,
3135 * Select flow driver type according to flow attributes and device
3139 * Pointer to the dev structure.
3141 * Pointer to the flow attributes.
3144 * flow driver type, MLX5_FLOW_TYPE_MAX otherwise.
3146 static enum mlx5_flow_drv_type
3147 flow_get_drv_type(struct rte_eth_dev *dev, const struct rte_flow_attr *attr)
3149 struct mlx5_priv *priv = dev->data->dev_private;
3150 /* The OS can determine first a specific flow type (DV, VERBS) */
3151 enum mlx5_flow_drv_type type = mlx5_flow_os_get_type();
3153 if (type != MLX5_FLOW_TYPE_MAX)
3155 /* If no OS specific type - continue with DV/VERBS selection */
3156 if (attr->transfer && priv->config.dv_esw_en)
3157 type = MLX5_FLOW_TYPE_DV;
3158 if (!attr->transfer)
3159 type = priv->config.dv_flow_en ? MLX5_FLOW_TYPE_DV :
3160 MLX5_FLOW_TYPE_VERBS;
3164 #define flow_get_drv_ops(type) flow_drv_ops[type]
3167 * Flow driver validation API. This abstracts calling driver specific functions.
3168 * The type of flow driver is determined according to flow attributes.
3171 * Pointer to the dev structure.
3173 * Pointer to the flow attributes.
3175 * Pointer to the list of items.
3176 * @param[in] actions
3177 * Pointer to the list of actions.
3178 * @param[in] external
3179 * This flow rule is created by request external to PMD.
3180 * @param[in] hairpin
3181 * Number of hairpin TX actions, 0 means classic flow.
3183 * Pointer to the error structure.
3186 * 0 on success, a negative errno value otherwise and rte_errno is set.
3189 flow_drv_validate(struct rte_eth_dev *dev,
3190 const struct rte_flow_attr *attr,
3191 const struct rte_flow_item items[],
3192 const struct rte_flow_action actions[],
3193 bool external, int hairpin, struct rte_flow_error *error)
3195 const struct mlx5_flow_driver_ops *fops;
3196 enum mlx5_flow_drv_type type = flow_get_drv_type(dev, attr);
3198 fops = flow_get_drv_ops(type);
3199 return fops->validate(dev, attr, items, actions, external,
3204 * Flow driver preparation API. This abstracts calling driver specific
3205 * functions. Parent flow (rte_flow) should have driver type (drv_type). It
3206 * calculates the size of memory required for device flow, allocates the memory,
3207 * initializes the device flow and returns the pointer.
3210 * This function initializes device flow structure such as dv or verbs in
3211 * struct mlx5_flow. However, it is caller's responsibility to initialize the
3212 * rest. For example, adding returning device flow to flow->dev_flow list and
3213 * setting backward reference to the flow should be done out of this function.
3214 * layers field is not filled either.
3217 * Pointer to the dev structure.
3219 * Pointer to the flow attributes.
3221 * Pointer to the list of items.
3222 * @param[in] actions
3223 * Pointer to the list of actions.
3224 * @param[in] flow_idx
3225 * This memory pool index to the flow.
3227 * Pointer to the error structure.
3230 * Pointer to device flow on success, otherwise NULL and rte_errno is set.
3232 static inline struct mlx5_flow *
3233 flow_drv_prepare(struct rte_eth_dev *dev,
3234 const struct rte_flow *flow,
3235 const struct rte_flow_attr *attr,
3236 const struct rte_flow_item items[],
3237 const struct rte_flow_action actions[],
3239 struct rte_flow_error *error)
3241 const struct mlx5_flow_driver_ops *fops;
3242 enum mlx5_flow_drv_type type = flow->drv_type;
3243 struct mlx5_flow *mlx5_flow = NULL;
3245 MLX5_ASSERT(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
3246 fops = flow_get_drv_ops(type);
3247 mlx5_flow = fops->prepare(dev, attr, items, actions, error);
3249 mlx5_flow->flow_idx = flow_idx;
3254 * Flow driver translation API. This abstracts calling driver specific
3255 * functions. Parent flow (rte_flow) should have driver type (drv_type). It
3256 * translates a generic flow into a driver flow. flow_drv_prepare() must
3260 * dev_flow->layers could be filled as a result of parsing during translation
3261 * if needed by flow_drv_apply(). dev_flow->flow->actions can also be filled
3262 * if necessary. As a flow can have multiple dev_flows by RSS flow expansion,
3263 * flow->actions could be overwritten even though all the expanded dev_flows
3264 * have the same actions.
3267 * Pointer to the rte dev structure.
3268 * @param[in, out] dev_flow
3269 * Pointer to the mlx5 flow.
3271 * Pointer to the flow attributes.
3273 * Pointer to the list of items.
3274 * @param[in] actions
3275 * Pointer to the list of actions.
3277 * Pointer to the error structure.
3280 * 0 on success, a negative errno value otherwise and rte_errno is set.
3283 flow_drv_translate(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow,
3284 const struct rte_flow_attr *attr,
3285 const struct rte_flow_item items[],
3286 const struct rte_flow_action actions[],
3287 struct rte_flow_error *error)
3289 const struct mlx5_flow_driver_ops *fops;
3290 enum mlx5_flow_drv_type type = dev_flow->flow->drv_type;
3292 MLX5_ASSERT(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
3293 fops = flow_get_drv_ops(type);
3294 return fops->translate(dev, dev_flow, attr, items, actions, error);
3298 * Flow driver apply API. This abstracts calling driver specific functions.
3299 * Parent flow (rte_flow) should have driver type (drv_type). It applies
3300 * translated driver flows on to device. flow_drv_translate() must precede.
3303 * Pointer to Ethernet device structure.
3304 * @param[in, out] flow
3305 * Pointer to flow structure.
3307 * Pointer to error structure.
3310 * 0 on success, a negative errno value otherwise and rte_errno is set.
3313 flow_drv_apply(struct rte_eth_dev *dev, struct rte_flow *flow,
3314 struct rte_flow_error *error)
3316 const struct mlx5_flow_driver_ops *fops;
3317 enum mlx5_flow_drv_type type = flow->drv_type;
3319 MLX5_ASSERT(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
3320 fops = flow_get_drv_ops(type);
3321 return fops->apply(dev, flow, error);
3325 * Flow driver destroy API. This abstracts calling driver specific functions.
3326 * Parent flow (rte_flow) should have driver type (drv_type). It removes a flow
3327 * on device and releases resources of the flow.
3330 * Pointer to Ethernet device.
3331 * @param[in, out] flow
3332 * Pointer to flow structure.
3335 flow_drv_destroy(struct rte_eth_dev *dev, struct rte_flow *flow)
3337 const struct mlx5_flow_driver_ops *fops;
3338 enum mlx5_flow_drv_type type = flow->drv_type;
3340 flow_mreg_split_qrss_release(dev, flow);
3341 MLX5_ASSERT(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
3342 fops = flow_get_drv_ops(type);
3343 fops->destroy(dev, flow);
3347 * Flow driver find RSS policy tbl API. This abstracts calling driver
3348 * specific functions. Parent flow (rte_flow) should have driver
3349 * type (drv_type). It will find the RSS policy table that has the rss_desc.
3352 * Pointer to Ethernet device.
3353 * @param[in, out] flow
3354 * Pointer to flow structure.
3356 * Pointer to meter policy table.
3357 * @param[in] rss_desc
3358 * Pointer to rss_desc
3360 static struct mlx5_flow_meter_sub_policy *
3361 flow_drv_meter_sub_policy_rss_prepare(struct rte_eth_dev *dev,
3362 struct rte_flow *flow,
3363 struct mlx5_flow_meter_policy *policy,
3364 struct mlx5_flow_rss_desc *rss_desc[MLX5_MTR_RTE_COLORS])
3366 const struct mlx5_flow_driver_ops *fops;
3367 enum mlx5_flow_drv_type type = flow->drv_type;
3369 MLX5_ASSERT(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
3370 fops = flow_get_drv_ops(type);
3371 return fops->meter_sub_policy_rss_prepare(dev, policy, rss_desc);
3375 * Get RSS action from the action list.
3378 * Pointer to Ethernet device.
3379 * @param[in] actions
3380 * Pointer to the list of actions.
3382 * Parent flow structure pointer.
3385 * Pointer to the RSS action if exist, else return NULL.
3387 static const struct rte_flow_action_rss*
3388 flow_get_rss_action(struct rte_eth_dev *dev,
3389 const struct rte_flow_action actions[])
3391 struct mlx5_priv *priv = dev->data->dev_private;
3392 const struct rte_flow_action_rss *rss = NULL;
3394 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
3395 switch (actions->type) {
3396 case RTE_FLOW_ACTION_TYPE_RSS:
3397 rss = actions->conf;
3399 case RTE_FLOW_ACTION_TYPE_SAMPLE:
3401 const struct rte_flow_action_sample *sample =
3403 const struct rte_flow_action *act = sample->actions;
3404 for (; act->type != RTE_FLOW_ACTION_TYPE_END; act++)
3405 if (act->type == RTE_FLOW_ACTION_TYPE_RSS)
3409 case RTE_FLOW_ACTION_TYPE_METER:
3412 struct mlx5_flow_meter_info *fm;
3413 struct mlx5_flow_meter_policy *policy;
3414 const struct rte_flow_action_meter *mtr = actions->conf;
3416 fm = mlx5_flow_meter_find(priv, mtr->mtr_id, &mtr_idx);
3418 policy = mlx5_flow_meter_policy_find(dev,
3419 fm->policy_id, NULL);
3420 if (policy && policy->is_rss)
3422 policy->act_cnt[RTE_COLOR_GREEN].rss->conf;
3434 * Get ASO age action by index.
3437 * Pointer to the Ethernet device structure.
3438 * @param[in] age_idx
3439 * Index to the ASO age action.
3442 * The specified ASO age action.
3444 struct mlx5_aso_age_action*
3445 flow_aso_age_get_by_idx(struct rte_eth_dev *dev, uint32_t age_idx)
3447 uint16_t pool_idx = age_idx & UINT16_MAX;
3448 uint16_t offset = (age_idx >> 16) & UINT16_MAX;
3449 struct mlx5_priv *priv = dev->data->dev_private;
3450 struct mlx5_aso_age_mng *mng = priv->sh->aso_age_mng;
3451 struct mlx5_aso_age_pool *pool = mng->pools[pool_idx];
3453 return &pool->actions[offset - 1];
3456 /* maps indirect action to translated direct in some actions array */
3457 struct mlx5_translated_action_handle {
3458 struct rte_flow_action_handle *action; /**< Indirect action handle. */
3459 int index; /**< Index in related array of rte_flow_action. */
3463 * Translates actions of type RTE_FLOW_ACTION_TYPE_INDIRECT to related
3464 * direct action if translation possible.
3465 * This functionality used to run same execution path for both direct and
3466 * indirect actions on flow create. All necessary preparations for indirect
3467 * action handling should be performed on *handle* actions list returned
3471 * Pointer to Ethernet device.
3472 * @param[in] actions
3473 * List of actions to translate.
3474 * @param[out] handle
3475 * List to store translated indirect action object handles.
3476 * @param[in, out] indir_n
3477 * Size of *handle* array. On return should be updated with number of
3478 * indirect actions retrieved from the *actions* list.
3479 * @param[out] translated_actions
3480 * List of actions where all indirect actions were translated to direct
3481 * if possible. NULL if no translation took place.
3483 * Pointer to the error structure.
3486 * 0 on success, a negative errno value otherwise and rte_errno is set.
3489 flow_action_handles_translate(struct rte_eth_dev *dev,
3490 const struct rte_flow_action actions[],
3491 struct mlx5_translated_action_handle *handle,
3493 struct rte_flow_action **translated_actions,
3494 struct rte_flow_error *error)
3496 struct mlx5_priv *priv = dev->data->dev_private;
3497 struct rte_flow_action *translated = NULL;
3498 size_t actions_size;
3501 struct mlx5_translated_action_handle *handle_end = NULL;
3503 for (n = 0; actions[n].type != RTE_FLOW_ACTION_TYPE_END; n++) {
3504 if (actions[n].type != RTE_FLOW_ACTION_TYPE_INDIRECT)
3506 if (copied_n == *indir_n) {
3507 return rte_flow_error_set
3508 (error, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION_NUM,
3509 NULL, "too many shared actions");
3511 rte_memcpy(&handle[copied_n].action, &actions[n].conf,
3512 sizeof(actions[n].conf));
3513 handle[copied_n].index = n;
3517 *indir_n = copied_n;
3520 actions_size = sizeof(struct rte_flow_action) * n;
3521 translated = mlx5_malloc(MLX5_MEM_ZERO, actions_size, 0, SOCKET_ID_ANY);
3526 memcpy(translated, actions, actions_size);
3527 for (handle_end = handle + copied_n; handle < handle_end; handle++) {
3528 struct mlx5_shared_action_rss *shared_rss;
3529 uint32_t act_idx = (uint32_t)(uintptr_t)handle->action;
3530 uint32_t type = act_idx >> MLX5_INDIRECT_ACTION_TYPE_OFFSET;
3531 uint32_t idx = act_idx &
3532 ((1u << MLX5_INDIRECT_ACTION_TYPE_OFFSET) - 1);
3535 case MLX5_INDIRECT_ACTION_TYPE_RSS:
3536 shared_rss = mlx5_ipool_get
3537 (priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS], idx);
3538 translated[handle->index].type =
3539 RTE_FLOW_ACTION_TYPE_RSS;
3540 translated[handle->index].conf =
3541 &shared_rss->origin;
3543 case MLX5_INDIRECT_ACTION_TYPE_COUNT:
3544 translated[handle->index].type =
3545 (enum rte_flow_action_type)
3546 MLX5_RTE_FLOW_ACTION_TYPE_COUNT;
3547 translated[handle->index].conf = (void *)(uintptr_t)idx;
3549 case MLX5_INDIRECT_ACTION_TYPE_AGE:
3550 if (priv->sh->flow_hit_aso_en) {
3551 translated[handle->index].type =
3552 (enum rte_flow_action_type)
3553 MLX5_RTE_FLOW_ACTION_TYPE_AGE;
3554 translated[handle->index].conf =
3555 (void *)(uintptr_t)idx;
3560 mlx5_free(translated);
3561 return rte_flow_error_set
3562 (error, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION,
3563 NULL, "invalid indirect action type");
3566 *translated_actions = translated;
3571 * Get Shared RSS action from the action list.
3574 * Pointer to Ethernet device.
3576 * Pointer to the list of actions.
3577 * @param[in] shared_n
3578 * Actions list length.
3581 * The MLX5 RSS action ID if exists, otherwise return 0.
3584 flow_get_shared_rss_action(struct rte_eth_dev *dev,
3585 struct mlx5_translated_action_handle *handle,
3588 struct mlx5_translated_action_handle *handle_end;
3589 struct mlx5_priv *priv = dev->data->dev_private;
3590 struct mlx5_shared_action_rss *shared_rss;
3593 for (handle_end = handle + shared_n; handle < handle_end; handle++) {
3594 uint32_t act_idx = (uint32_t)(uintptr_t)handle->action;
3595 uint32_t type = act_idx >> MLX5_INDIRECT_ACTION_TYPE_OFFSET;
3596 uint32_t idx = act_idx &
3597 ((1u << MLX5_INDIRECT_ACTION_TYPE_OFFSET) - 1);
3599 case MLX5_INDIRECT_ACTION_TYPE_RSS:
3600 shared_rss = mlx5_ipool_get
3601 (priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS],
3603 __atomic_add_fetch(&shared_rss->refcnt, 1,
3614 find_graph_root(const struct rte_flow_item pattern[], uint32_t rss_level)
3616 const struct rte_flow_item *item;
3617 unsigned int has_vlan = 0;
3619 for (item = pattern; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
3620 if (item->type == RTE_FLOW_ITEM_TYPE_VLAN) {
3626 return rss_level < 2 ? MLX5_EXPANSION_ROOT_ETH_VLAN :
3627 MLX5_EXPANSION_ROOT_OUTER_ETH_VLAN;
3628 return rss_level < 2 ? MLX5_EXPANSION_ROOT :
3629 MLX5_EXPANSION_ROOT_OUTER;
3633 * Get layer flags from the prefix flow.
3635 * Some flows may be split to several subflows, the prefix subflow gets the
3636 * match items and the suffix sub flow gets the actions.
3637 * Some actions need the user defined match item flags to get the detail for
3639 * This function helps the suffix flow to get the item layer flags from prefix
3642 * @param[in] dev_flow
3643 * Pointer the created preifx subflow.
3646 * The layers get from prefix subflow.
3648 static inline uint64_t
3649 flow_get_prefix_layer_flags(struct mlx5_flow *dev_flow)
3651 uint64_t layers = 0;
3654 * Layers bits could be localization, but usually the compiler will
3655 * help to do the optimization work for source code.
3656 * If no decap actions, use the layers directly.
3658 if (!(dev_flow->act_flags & MLX5_FLOW_ACTION_DECAP))
3659 return dev_flow->handle->layers;
3660 /* Convert L3 layers with decap action. */
3661 if (dev_flow->handle->layers & MLX5_FLOW_LAYER_INNER_L3_IPV4)
3662 layers |= MLX5_FLOW_LAYER_OUTER_L3_IPV4;
3663 else if (dev_flow->handle->layers & MLX5_FLOW_LAYER_INNER_L3_IPV6)
3664 layers |= MLX5_FLOW_LAYER_OUTER_L3_IPV6;
3665 /* Convert L4 layers with decap action. */
3666 if (dev_flow->handle->layers & MLX5_FLOW_LAYER_INNER_L4_TCP)
3667 layers |= MLX5_FLOW_LAYER_OUTER_L4_TCP;
3668 else if (dev_flow->handle->layers & MLX5_FLOW_LAYER_INNER_L4_UDP)
3669 layers |= MLX5_FLOW_LAYER_OUTER_L4_UDP;
3674 * Get metadata split action information.
3676 * @param[in] actions
3677 * Pointer to the list of actions.
3679 * Pointer to the return pointer.
3680 * @param[out] qrss_type
3681 * Pointer to the action type to return. RTE_FLOW_ACTION_TYPE_END is returned
3682 * if no QUEUE/RSS is found.
3683 * @param[out] encap_idx
3684 * Pointer to the index of the encap action if exists, otherwise the last
3688 * Total number of actions.
3691 flow_parse_metadata_split_actions_info(const struct rte_flow_action actions[],
3692 const struct rte_flow_action **qrss,
3695 const struct rte_flow_action_raw_encap *raw_encap;
3697 int raw_decap_idx = -1;
3700 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
3701 switch (actions->type) {
3702 case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
3703 case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP:
3704 *encap_idx = actions_n;
3706 case RTE_FLOW_ACTION_TYPE_RAW_DECAP:
3707 raw_decap_idx = actions_n;
3709 case RTE_FLOW_ACTION_TYPE_RAW_ENCAP:
3710 raw_encap = actions->conf;
3711 if (raw_encap->size > MLX5_ENCAPSULATION_DECISION_SIZE)
3712 *encap_idx = raw_decap_idx != -1 ?
3713 raw_decap_idx : actions_n;
3715 case RTE_FLOW_ACTION_TYPE_QUEUE:
3716 case RTE_FLOW_ACTION_TYPE_RSS:
3724 if (*encap_idx == -1)
3725 *encap_idx = actions_n;
3726 /* Count RTE_FLOW_ACTION_TYPE_END. */
3727 return actions_n + 1;
3731 * Check if the action will change packet.
3734 * Pointer to Ethernet device.
3739 * true if action will change packet, false otherwise.
3741 static bool flow_check_modify_action_type(struct rte_eth_dev *dev,
3742 enum rte_flow_action_type type)
3744 struct mlx5_priv *priv = dev->data->dev_private;
3747 case RTE_FLOW_ACTION_TYPE_SET_MAC_SRC:
3748 case RTE_FLOW_ACTION_TYPE_SET_MAC_DST:
3749 case RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC:
3750 case RTE_FLOW_ACTION_TYPE_SET_IPV4_DST:
3751 case RTE_FLOW_ACTION_TYPE_SET_IPV6_SRC:
3752 case RTE_FLOW_ACTION_TYPE_SET_IPV6_DST:
3753 case RTE_FLOW_ACTION_TYPE_SET_TP_SRC:
3754 case RTE_FLOW_ACTION_TYPE_SET_TP_DST:
3755 case RTE_FLOW_ACTION_TYPE_DEC_TTL:
3756 case RTE_FLOW_ACTION_TYPE_SET_TTL:
3757 case RTE_FLOW_ACTION_TYPE_INC_TCP_SEQ:
3758 case RTE_FLOW_ACTION_TYPE_DEC_TCP_SEQ:
3759 case RTE_FLOW_ACTION_TYPE_INC_TCP_ACK:
3760 case RTE_FLOW_ACTION_TYPE_DEC_TCP_ACK:
3761 case RTE_FLOW_ACTION_TYPE_SET_IPV4_DSCP:
3762 case RTE_FLOW_ACTION_TYPE_SET_IPV6_DSCP:
3763 case RTE_FLOW_ACTION_TYPE_SET_META:
3764 case RTE_FLOW_ACTION_TYPE_SET_TAG:
3765 case RTE_FLOW_ACTION_TYPE_OF_POP_VLAN:
3766 case RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN:
3767 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID:
3768 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_PCP:
3769 case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
3770 case RTE_FLOW_ACTION_TYPE_VXLAN_DECAP:
3771 case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP:
3772 case RTE_FLOW_ACTION_TYPE_NVGRE_DECAP:
3773 case RTE_FLOW_ACTION_TYPE_RAW_ENCAP:
3774 case RTE_FLOW_ACTION_TYPE_RAW_DECAP:
3775 case RTE_FLOW_ACTION_TYPE_MODIFY_FIELD:
3777 case RTE_FLOW_ACTION_TYPE_FLAG:
3778 case RTE_FLOW_ACTION_TYPE_MARK:
3779 if (priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY)
3789 * Check meter action from the action list.
3792 * Pointer to Ethernet device.
3793 * @param[in] actions
3794 * Pointer to the list of actions.
3795 * @param[out] has_mtr
3796 * Pointer to the meter exist flag.
3797 * @param[out] has_modify
3798 * Pointer to the flag showing there's packet change action.
3799 * @param[out] meter_id
3800 * Pointer to the meter id.
3803 * Total number of actions.
3806 flow_check_meter_action(struct rte_eth_dev *dev,
3807 const struct rte_flow_action actions[],
3808 bool *has_mtr, bool *has_modify, uint32_t *meter_id)
3810 const struct rte_flow_action_meter *mtr = NULL;
3813 MLX5_ASSERT(has_mtr);
3815 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
3816 switch (actions->type) {
3817 case RTE_FLOW_ACTION_TYPE_METER:
3818 mtr = actions->conf;
3819 *meter_id = mtr->mtr_id;
3826 *has_modify |= flow_check_modify_action_type(dev,
3830 /* Count RTE_FLOW_ACTION_TYPE_END. */
3831 return actions_n + 1;
3835 * Check if the flow should be split due to hairpin.
3836 * The reason for the split is that in current HW we can't
3837 * support encap and push-vlan on Rx, so if a flow contains
3838 * these actions we move it to Tx.
3841 * Pointer to Ethernet device.
3843 * Flow rule attributes.
3844 * @param[in] actions
3845 * Associated actions (list terminated by the END action).
3848 * > 0 the number of actions and the flow should be split,
3849 * 0 when no split required.
3852 flow_check_hairpin_split(struct rte_eth_dev *dev,
3853 const struct rte_flow_attr *attr,
3854 const struct rte_flow_action actions[])
3856 int queue_action = 0;
3859 const struct rte_flow_action_queue *queue;
3860 const struct rte_flow_action_rss *rss;
3861 const struct rte_flow_action_raw_encap *raw_encap;
3862 const struct rte_eth_hairpin_conf *conf;
3866 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
3867 switch (actions->type) {
3868 case RTE_FLOW_ACTION_TYPE_QUEUE:
3869 queue = actions->conf;
3872 conf = mlx5_rxq_get_hairpin_conf(dev, queue->index);
3873 if (conf == NULL || conf->tx_explicit != 0)
3878 case RTE_FLOW_ACTION_TYPE_RSS:
3879 rss = actions->conf;
3880 if (rss == NULL || rss->queue_num == 0)
3882 conf = mlx5_rxq_get_hairpin_conf(dev, rss->queue[0]);
3883 if (conf == NULL || conf->tx_explicit != 0)
3888 case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
3889 case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP:
3890 case RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN:
3891 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID:
3892 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_PCP:
3896 case RTE_FLOW_ACTION_TYPE_RAW_ENCAP:
3897 raw_encap = actions->conf;
3898 if (raw_encap->size > MLX5_ENCAPSULATION_DECISION_SIZE)
3907 if (split && queue_action)
3912 /* Declare flow create/destroy prototype in advance. */
3914 flow_list_create(struct rte_eth_dev *dev, uint32_t *list,
3915 const struct rte_flow_attr *attr,
3916 const struct rte_flow_item items[],
3917 const struct rte_flow_action actions[],
3918 bool external, struct rte_flow_error *error);
3921 flow_list_destroy(struct rte_eth_dev *dev, uint32_t *list,
3925 flow_dv_mreg_match_cb(struct mlx5_hlist *list __rte_unused,
3926 struct mlx5_hlist_entry *entry,
3927 uint64_t key, void *cb_ctx __rte_unused)
3929 struct mlx5_flow_mreg_copy_resource *mcp_res =
3930 container_of(entry, typeof(*mcp_res), hlist_ent);
3932 return mcp_res->mark_id != key;
3935 struct mlx5_hlist_entry *
3936 flow_dv_mreg_create_cb(struct mlx5_hlist *list, uint64_t key,
3939 struct rte_eth_dev *dev = list->ctx;
3940 struct mlx5_priv *priv = dev->data->dev_private;
3941 struct mlx5_flow_cb_ctx *ctx = cb_ctx;
3942 struct mlx5_flow_mreg_copy_resource *mcp_res;
3943 struct rte_flow_error *error = ctx->error;
3946 uint32_t mark_id = key;
3947 struct rte_flow_attr attr = {
3948 .group = MLX5_FLOW_MREG_CP_TABLE_GROUP,
3951 struct mlx5_rte_flow_item_tag tag_spec = {
3954 struct rte_flow_item items[] = {
3955 [1] = { .type = RTE_FLOW_ITEM_TYPE_END, },
3957 struct rte_flow_action_mark ftag = {
3960 struct mlx5_flow_action_copy_mreg cp_mreg = {
3964 struct rte_flow_action_jump jump = {
3965 .group = MLX5_FLOW_MREG_ACT_TABLE_GROUP,
3967 struct rte_flow_action actions[] = {
3968 [3] = { .type = RTE_FLOW_ACTION_TYPE_END, },
3971 /* Fill the register fileds in the flow. */
3972 ret = mlx5_flow_get_reg_id(dev, MLX5_FLOW_MARK, 0, error);
3976 ret = mlx5_flow_get_reg_id(dev, MLX5_METADATA_RX, 0, error);
3980 /* Provide the full width of FLAG specific value. */
3981 if (mark_id == (priv->sh->dv_regc0_mask & MLX5_FLOW_MARK_DEFAULT))
3982 tag_spec.data = MLX5_FLOW_MARK_DEFAULT;
3983 /* Build a new flow. */
3984 if (mark_id != MLX5_DEFAULT_COPY_ID) {
3985 items[0] = (struct rte_flow_item){
3986 .type = (enum rte_flow_item_type)
3987 MLX5_RTE_FLOW_ITEM_TYPE_TAG,
3990 items[1] = (struct rte_flow_item){
3991 .type = RTE_FLOW_ITEM_TYPE_END,
3993 actions[0] = (struct rte_flow_action){
3994 .type = (enum rte_flow_action_type)
3995 MLX5_RTE_FLOW_ACTION_TYPE_MARK,
3998 actions[1] = (struct rte_flow_action){
3999 .type = (enum rte_flow_action_type)
4000 MLX5_RTE_FLOW_ACTION_TYPE_COPY_MREG,
4003 actions[2] = (struct rte_flow_action){
4004 .type = RTE_FLOW_ACTION_TYPE_JUMP,
4007 actions[3] = (struct rte_flow_action){
4008 .type = RTE_FLOW_ACTION_TYPE_END,
4011 /* Default rule, wildcard match. */
4012 attr.priority = MLX5_FLOW_LOWEST_PRIO_INDICATOR;
4013 items[0] = (struct rte_flow_item){
4014 .type = RTE_FLOW_ITEM_TYPE_END,
4016 actions[0] = (struct rte_flow_action){
4017 .type = (enum rte_flow_action_type)
4018 MLX5_RTE_FLOW_ACTION_TYPE_COPY_MREG,
4021 actions[1] = (struct rte_flow_action){
4022 .type = RTE_FLOW_ACTION_TYPE_JUMP,
4025 actions[2] = (struct rte_flow_action){
4026 .type = RTE_FLOW_ACTION_TYPE_END,
4029 /* Build a new entry. */
4030 mcp_res = mlx5_ipool_zmalloc(priv->sh->ipool[MLX5_IPOOL_MCP], &idx);
4036 mcp_res->mark_id = mark_id;
4038 * The copy Flows are not included in any list. There
4039 * ones are referenced from other Flows and can not
4040 * be applied, removed, deleted in ardbitrary order
4041 * by list traversing.
4043 mcp_res->rix_flow = flow_list_create(dev, NULL, &attr, items,
4044 actions, false, error);
4045 if (!mcp_res->rix_flow) {
4046 mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_MCP], idx);
4049 return &mcp_res->hlist_ent;
4053 * Add a flow of copying flow metadata registers in RX_CP_TBL.
4055 * As mark_id is unique, if there's already a registered flow for the mark_id,
4056 * return by increasing the reference counter of the resource. Otherwise, create
4057 * the resource (mcp_res) and flow.
4060 * - If ingress port is ANY and reg_c[1] is mark_id,
4061 * flow_tag := mark_id, reg_b := reg_c[0] and jump to RX_ACT_TBL.
4063 * For default flow (zero mark_id), flow is like,
4064 * - If ingress port is ANY,
4065 * reg_b := reg_c[0] and jump to RX_ACT_TBL.
4068 * Pointer to Ethernet device.
4070 * ID of MARK action, zero means default flow for META.
4072 * Perform verbose error reporting if not NULL.
4075 * Associated resource on success, NULL otherwise and rte_errno is set.
4077 static struct mlx5_flow_mreg_copy_resource *
4078 flow_mreg_add_copy_action(struct rte_eth_dev *dev, uint32_t mark_id,
4079 struct rte_flow_error *error)
4081 struct mlx5_priv *priv = dev->data->dev_private;
4082 struct mlx5_hlist_entry *entry;
4083 struct mlx5_flow_cb_ctx ctx = {
4088 /* Check if already registered. */
4089 MLX5_ASSERT(priv->mreg_cp_tbl);
4090 entry = mlx5_hlist_register(priv->mreg_cp_tbl, mark_id, &ctx);
4093 return container_of(entry, struct mlx5_flow_mreg_copy_resource,
4098 flow_dv_mreg_remove_cb(struct mlx5_hlist *list, struct mlx5_hlist_entry *entry)
4100 struct mlx5_flow_mreg_copy_resource *mcp_res =
4101 container_of(entry, typeof(*mcp_res), hlist_ent);
4102 struct rte_eth_dev *dev = list->ctx;
4103 struct mlx5_priv *priv = dev->data->dev_private;
4105 MLX5_ASSERT(mcp_res->rix_flow);
4106 flow_list_destroy(dev, NULL, mcp_res->rix_flow);
4107 mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_MCP], mcp_res->idx);
4111 * Release flow in RX_CP_TBL.
4114 * Pointer to Ethernet device.
4116 * Parent flow for wich copying is provided.
4119 flow_mreg_del_copy_action(struct rte_eth_dev *dev,
4120 struct rte_flow *flow)
4122 struct mlx5_flow_mreg_copy_resource *mcp_res;
4123 struct mlx5_priv *priv = dev->data->dev_private;
4125 if (!flow->rix_mreg_copy)
4127 mcp_res = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_MCP],
4128 flow->rix_mreg_copy);
4129 if (!mcp_res || !priv->mreg_cp_tbl)
4131 MLX5_ASSERT(mcp_res->rix_flow);
4132 mlx5_hlist_unregister(priv->mreg_cp_tbl, &mcp_res->hlist_ent);
4133 flow->rix_mreg_copy = 0;
4137 * Remove the default copy action from RX_CP_TBL.
4139 * This functions is called in the mlx5_dev_start(). No thread safe
4143 * Pointer to Ethernet device.
4146 flow_mreg_del_default_copy_action(struct rte_eth_dev *dev)
4148 struct mlx5_hlist_entry *entry;
4149 struct mlx5_priv *priv = dev->data->dev_private;
4151 /* Check if default flow is registered. */
4152 if (!priv->mreg_cp_tbl)
4154 entry = mlx5_hlist_lookup(priv->mreg_cp_tbl,
4155 MLX5_DEFAULT_COPY_ID, NULL);
4158 mlx5_hlist_unregister(priv->mreg_cp_tbl, entry);
4162 * Add the default copy action in in RX_CP_TBL.
4164 * This functions is called in the mlx5_dev_start(). No thread safe
4168 * Pointer to Ethernet device.
4170 * Perform verbose error reporting if not NULL.
4173 * 0 for success, negative value otherwise and rte_errno is set.
4176 flow_mreg_add_default_copy_action(struct rte_eth_dev *dev,
4177 struct rte_flow_error *error)
4179 struct mlx5_priv *priv = dev->data->dev_private;
4180 struct mlx5_flow_mreg_copy_resource *mcp_res;
4182 /* Check whether extensive metadata feature is engaged. */
4183 if (!priv->config.dv_flow_en ||
4184 priv->config.dv_xmeta_en == MLX5_XMETA_MODE_LEGACY ||
4185 !mlx5_flow_ext_mreg_supported(dev) ||
4186 !priv->sh->dv_regc0_mask)
4189 * Add default mreg copy flow may be called multiple time, but
4190 * only be called once in stop. Avoid register it twice.
4192 if (mlx5_hlist_lookup(priv->mreg_cp_tbl, MLX5_DEFAULT_COPY_ID, NULL))
4194 mcp_res = flow_mreg_add_copy_action(dev, MLX5_DEFAULT_COPY_ID, error);
4201 * Add a flow of copying flow metadata registers in RX_CP_TBL.
4203 * All the flow having Q/RSS action should be split by
4204 * flow_mreg_split_qrss_prep() to pass by RX_CP_TBL. A flow in the RX_CP_TBL
4205 * performs the following,
4206 * - CQE->flow_tag := reg_c[1] (MARK)
4207 * - CQE->flow_table_metadata (reg_b) := reg_c[0] (META)
4208 * As CQE's flow_tag is not a register, it can't be simply copied from reg_c[1]
4209 * but there should be a flow per each MARK ID set by MARK action.
4211 * For the aforementioned reason, if there's a MARK action in flow's action
4212 * list, a corresponding flow should be added to the RX_CP_TBL in order to copy
4213 * the MARK ID to CQE's flow_tag like,
4214 * - If reg_c[1] is mark_id,
4215 * flow_tag := mark_id, reg_b := reg_c[0] and jump to RX_ACT_TBL.
4217 * For SET_META action which stores value in reg_c[0], as the destination is
4218 * also a flow metadata register (reg_b), adding a default flow is enough. Zero
4219 * MARK ID means the default flow. The default flow looks like,
4220 * - For all flow, reg_b := reg_c[0] and jump to RX_ACT_TBL.
4223 * Pointer to Ethernet device.
4225 * Pointer to flow structure.
4226 * @param[in] actions
4227 * Pointer to the list of actions.
4229 * Perform verbose error reporting if not NULL.
4232 * 0 on success, negative value otherwise and rte_errno is set.
4235 flow_mreg_update_copy_table(struct rte_eth_dev *dev,
4236 struct rte_flow *flow,
4237 const struct rte_flow_action *actions,
4238 struct rte_flow_error *error)
4240 struct mlx5_priv *priv = dev->data->dev_private;
4241 struct mlx5_dev_config *config = &priv->config;
4242 struct mlx5_flow_mreg_copy_resource *mcp_res;
4243 const struct rte_flow_action_mark *mark;
4245 /* Check whether extensive metadata feature is engaged. */
4246 if (!config->dv_flow_en ||
4247 config->dv_xmeta_en == MLX5_XMETA_MODE_LEGACY ||
4248 !mlx5_flow_ext_mreg_supported(dev) ||
4249 !priv->sh->dv_regc0_mask)
4251 /* Find MARK action. */
4252 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
4253 switch (actions->type) {
4254 case RTE_FLOW_ACTION_TYPE_FLAG:
4255 mcp_res = flow_mreg_add_copy_action
4256 (dev, MLX5_FLOW_MARK_DEFAULT, error);
4259 flow->rix_mreg_copy = mcp_res->idx;
4261 case RTE_FLOW_ACTION_TYPE_MARK:
4262 mark = (const struct rte_flow_action_mark *)
4265 flow_mreg_add_copy_action(dev, mark->id, error);
4268 flow->rix_mreg_copy = mcp_res->idx;
4277 #define MLX5_MAX_SPLIT_ACTIONS 24
4278 #define MLX5_MAX_SPLIT_ITEMS 24
4281 * Split the hairpin flow.
4282 * Since HW can't support encap and push-vlan on Rx, we move these
4284 * If the count action is after the encap then we also
4285 * move the count action. in this case the count will also measure
4289 * Pointer to Ethernet device.
4290 * @param[in] actions
4291 * Associated actions (list terminated by the END action).
4292 * @param[out] actions_rx
4294 * @param[out] actions_tx
4296 * @param[out] pattern_tx
4297 * The pattern items for the Tx flow.
4298 * @param[out] flow_id
4299 * The flow ID connected to this flow.
4305 flow_hairpin_split(struct rte_eth_dev *dev,
4306 const struct rte_flow_action actions[],
4307 struct rte_flow_action actions_rx[],
4308 struct rte_flow_action actions_tx[],
4309 struct rte_flow_item pattern_tx[],
4312 const struct rte_flow_action_raw_encap *raw_encap;
4313 const struct rte_flow_action_raw_decap *raw_decap;
4314 struct mlx5_rte_flow_action_set_tag *set_tag;
4315 struct rte_flow_action *tag_action;
4316 struct mlx5_rte_flow_item_tag *tag_item;
4317 struct rte_flow_item *item;
4321 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
4322 switch (actions->type) {
4323 case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
4324 case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP:
4325 case RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN:
4326 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID:
4327 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_PCP:
4328 rte_memcpy(actions_tx, actions,
4329 sizeof(struct rte_flow_action));
4332 case RTE_FLOW_ACTION_TYPE_COUNT:
4334 rte_memcpy(actions_tx, actions,
4335 sizeof(struct rte_flow_action));
4338 rte_memcpy(actions_rx, actions,
4339 sizeof(struct rte_flow_action));
4343 case RTE_FLOW_ACTION_TYPE_RAW_ENCAP:
4344 raw_encap = actions->conf;
4345 if (raw_encap->size > MLX5_ENCAPSULATION_DECISION_SIZE) {
4346 memcpy(actions_tx, actions,
4347 sizeof(struct rte_flow_action));
4351 rte_memcpy(actions_rx, actions,
4352 sizeof(struct rte_flow_action));
4356 case RTE_FLOW_ACTION_TYPE_RAW_DECAP:
4357 raw_decap = actions->conf;
4358 if (raw_decap->size < MLX5_ENCAPSULATION_DECISION_SIZE) {
4359 memcpy(actions_tx, actions,
4360 sizeof(struct rte_flow_action));
4363 rte_memcpy(actions_rx, actions,
4364 sizeof(struct rte_flow_action));
4369 rte_memcpy(actions_rx, actions,
4370 sizeof(struct rte_flow_action));
4375 /* Add set meta action and end action for the Rx flow. */
4376 tag_action = actions_rx;
4377 tag_action->type = (enum rte_flow_action_type)
4378 MLX5_RTE_FLOW_ACTION_TYPE_TAG;
4380 rte_memcpy(actions_rx, actions, sizeof(struct rte_flow_action));
4382 set_tag = (void *)actions_rx;
4383 *set_tag = (struct mlx5_rte_flow_action_set_tag) {
4384 .id = mlx5_flow_get_reg_id(dev, MLX5_HAIRPIN_RX, 0, NULL),
4387 MLX5_ASSERT(set_tag->id > REG_NON);
4388 tag_action->conf = set_tag;
4389 /* Create Tx item list. */
4390 rte_memcpy(actions_tx, actions, sizeof(struct rte_flow_action));
4391 addr = (void *)&pattern_tx[2];
4393 item->type = (enum rte_flow_item_type)
4394 MLX5_RTE_FLOW_ITEM_TYPE_TAG;
4395 tag_item = (void *)addr;
4396 tag_item->data = flow_id;
4397 tag_item->id = mlx5_flow_get_reg_id(dev, MLX5_HAIRPIN_TX, 0, NULL);
4398 MLX5_ASSERT(set_tag->id > REG_NON);
4399 item->spec = tag_item;
4400 addr += sizeof(struct mlx5_rte_flow_item_tag);
4401 tag_item = (void *)addr;
4402 tag_item->data = UINT32_MAX;
4403 tag_item->id = UINT16_MAX;
4404 item->mask = tag_item;
4407 item->type = RTE_FLOW_ITEM_TYPE_END;
4412 * The last stage of splitting chain, just creates the subflow
4413 * without any modification.
4416 * Pointer to Ethernet device.
4418 * Parent flow structure pointer.
4419 * @param[in, out] sub_flow
4420 * Pointer to return the created subflow, may be NULL.
4422 * Flow rule attributes.
4424 * Pattern specification (list terminated by the END pattern item).
4425 * @param[in] actions
4426 * Associated actions (list terminated by the END action).
4427 * @param[in] flow_split_info
4428 * Pointer to flow split info structure.
4430 * Perform verbose error reporting if not NULL.
4432 * 0 on success, negative value otherwise
4435 flow_create_split_inner(struct rte_eth_dev *dev,
4436 struct rte_flow *flow,
4437 struct mlx5_flow **sub_flow,
4438 const struct rte_flow_attr *attr,
4439 const struct rte_flow_item items[],
4440 const struct rte_flow_action actions[],
4441 struct mlx5_flow_split_info *flow_split_info,
4442 struct rte_flow_error *error)
4444 struct mlx5_flow *dev_flow;
4446 dev_flow = flow_drv_prepare(dev, flow, attr, items, actions,
4447 flow_split_info->flow_idx, error);
4450 dev_flow->flow = flow;
4451 dev_flow->external = flow_split_info->external;
4452 dev_flow->skip_scale = flow_split_info->skip_scale;
4453 /* Subflow object was created, we must include one in the list. */
4454 SILIST_INSERT(&flow->dev_handles, dev_flow->handle_idx,
4455 dev_flow->handle, next);
4457 * If dev_flow is as one of the suffix flow, some actions in suffix
4458 * flow may need some user defined item layer flags, and pass the
4459 * Metadate rxq mark flag to suffix flow as well.
4461 if (flow_split_info->prefix_layers)
4462 dev_flow->handle->layers = flow_split_info->prefix_layers;
4463 if (flow_split_info->prefix_mark)
4464 dev_flow->handle->mark = 1;
4466 *sub_flow = dev_flow;
4467 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
4468 dev_flow->dv.table_id = flow_split_info->table_id;
4470 return flow_drv_translate(dev, dev_flow, attr, items, actions, error);
4474 * Get the sub policy of a meter.
4477 * Pointer to Ethernet device.
4479 * Parent flow structure pointer.
4480 * @param[in] policy_id;
4483 * Flow rule attributes.
4485 * Pattern specification (list terminated by the END pattern item).
4487 * Perform verbose error reporting if not NULL.
4490 * Pointer to the meter sub policy, NULL otherwise and rte_errno is set.
4492 static struct mlx5_flow_meter_sub_policy *
4493 get_meter_sub_policy(struct rte_eth_dev *dev,
4494 struct rte_flow *flow,
4496 const struct rte_flow_attr *attr,
4497 const struct rte_flow_item items[],
4498 struct rte_flow_error *error)
4500 struct mlx5_flow_meter_policy *policy;
4501 struct mlx5_flow_meter_sub_policy *sub_policy = NULL;
4503 policy = mlx5_flow_meter_policy_find(dev, policy_id, NULL);
4505 rte_flow_error_set(error, EINVAL,
4506 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
4507 "Failed to find Meter Policy.");
4510 if (policy->is_rss) {
4511 struct mlx5_flow_workspace *wks =
4512 mlx5_flow_get_thread_workspace();
4513 struct mlx5_flow_rss_desc rss_desc_v[MLX5_MTR_RTE_COLORS];
4514 struct mlx5_flow_rss_desc *rss_desc[MLX5_MTR_RTE_COLORS] = {0};
4519 * This is a tmp dev_flow,
4520 * no need to register any matcher for it in translate.
4522 wks->skip_matcher_reg = 1;
4523 for (i = 0; i < MLX5_MTR_RTE_COLORS; i++) {
4524 struct mlx5_flow dev_flow = {0};
4525 struct mlx5_flow_handle dev_handle = { {0} };
4526 const void *rss_act = policy->act_cnt[i].rss->conf;
4527 struct rte_flow_action rss_actions[2] = {
4529 .type = RTE_FLOW_ACTION_TYPE_RSS,
4533 .type = RTE_FLOW_ACTION_TYPE_END,
4538 dev_flow.handle = &dev_handle;
4539 dev_flow.ingress = attr->ingress;
4540 dev_flow.flow = flow;
4541 dev_flow.external = 0;
4542 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
4543 dev_flow.dv.transfer = attr->transfer;
4545 /* Translate RSS action to get rss hash fields. */
4546 if (flow_drv_translate(dev, &dev_flow, attr,
4547 items, rss_actions, error))
4549 rss_desc_v[i] = wks->rss_desc;
4550 rss_desc_v[i].key_len = MLX5_RSS_HASH_KEY_LEN;
4551 rss_desc_v[i].hash_fields = dev_flow.hash_fields;
4552 rss_desc_v[i].queue_num = rss_desc_v[i].hash_fields ?
4553 rss_desc_v[i].queue_num : 1;
4554 rss_desc[i] = &rss_desc_v[i];
4556 sub_policy = flow_drv_meter_sub_policy_rss_prepare(dev,
4557 flow, policy, rss_desc);
4559 enum mlx5_meter_domain mtr_domain =
4560 attr->transfer ? MLX5_MTR_DOMAIN_TRANSFER :
4561 attr->egress ? MLX5_MTR_DOMAIN_EGRESS :
4562 MLX5_MTR_DOMAIN_INGRESS;
4563 sub_policy = policy->sub_policys[mtr_domain][0];
4566 rte_flow_error_set(error, EINVAL,
4567 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
4568 "Failed to get meter sub-policy.");
4576 * Split the meter flow.
4578 * As meter flow will split to three sub flow, other than meter
4579 * action, the other actions make sense to only meter accepts
4580 * the packet. If it need to be dropped, no other additional
4581 * actions should be take.
4583 * One kind of special action which decapsulates the L3 tunnel
4584 * header will be in the prefix sub flow, as not to take the
4585 * L3 tunnel header into account.
4588 * Pointer to Ethernet device.
4590 * Parent flow structure pointer.
4592 * Pointer to flow meter structure.
4594 * Flow rule attributes.
4596 * Pattern specification (list terminated by the END pattern item).
4597 * @param[out] sfx_items
4598 * Suffix flow match items (list terminated by the END pattern item).
4599 * @param[in] actions
4600 * Associated actions (list terminated by the END action).
4601 * @param[out] actions_sfx
4602 * Suffix flow actions.
4603 * @param[out] actions_pre
4604 * Prefix flow actions.
4605 * @param[out] mtr_flow_id
4606 * Pointer to meter flow id.
4608 * Perform verbose error reporting if not NULL.
4611 * 0 on success, a negative errno value otherwise and rte_errno is set.
4614 flow_meter_split_prep(struct rte_eth_dev *dev,
4615 struct rte_flow *flow,
4616 struct mlx5_flow_meter_info *fm,
4617 const struct rte_flow_attr *attr,
4618 const struct rte_flow_item items[],
4619 struct rte_flow_item sfx_items[],
4620 const struct rte_flow_action actions[],
4621 struct rte_flow_action actions_sfx[],
4622 struct rte_flow_action actions_pre[],
4623 uint32_t *mtr_flow_id,
4624 struct rte_flow_error *error)
4626 struct mlx5_priv *priv = dev->data->dev_private;
4627 struct rte_flow_action *tag_action = NULL;
4628 struct rte_flow_item *tag_item;
4629 struct mlx5_rte_flow_action_set_tag *set_tag;
4630 const struct rte_flow_action_raw_encap *raw_encap;
4631 const struct rte_flow_action_raw_decap *raw_decap;
4632 struct mlx5_rte_flow_item_tag *tag_item_spec;
4633 struct mlx5_rte_flow_item_tag *tag_item_mask;
4634 uint32_t tag_id = 0;
4635 bool copy_vlan = false;
4636 struct rte_flow_action *hw_mtr_action;
4637 struct rte_flow_action *action_pre_head = NULL;
4638 bool mtr_first = priv->sh->meter_aso_en &&
4640 (attr->transfer && priv->representor_id != UINT16_MAX));
4641 uint8_t mtr_id_offset = priv->mtr_reg_share ? MLX5_MTR_COLOR_BITS : 0;
4642 uint8_t mtr_reg_bits = priv->mtr_reg_share ?
4643 MLX5_MTR_IDLE_BITS_IN_COLOR_REG : MLX5_REG_BITS;
4644 uint32_t flow_id = 0;
4645 uint32_t flow_id_reversed = 0;
4646 uint8_t flow_id_bits = 0;
4649 /* For ASO meter, meter must be before tag in TX direction. */
4651 action_pre_head = actions_pre++;
4652 /* Leave space for tag action. */
4653 tag_action = actions_pre++;
4655 /* Prepare the actions for prefix and suffix flow. */
4656 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
4657 struct rte_flow_action *action_cur = NULL;
4659 switch (actions->type) {
4660 case RTE_FLOW_ACTION_TYPE_METER:
4662 action_cur = action_pre_head;
4664 /* Leave space for tag action. */
4665 tag_action = actions_pre++;
4666 action_cur = actions_pre++;
4669 case RTE_FLOW_ACTION_TYPE_VXLAN_DECAP:
4670 case RTE_FLOW_ACTION_TYPE_NVGRE_DECAP:
4671 action_cur = actions_pre++;
4673 case RTE_FLOW_ACTION_TYPE_RAW_ENCAP:
4674 raw_encap = actions->conf;
4675 if (raw_encap->size < MLX5_ENCAPSULATION_DECISION_SIZE)
4676 action_cur = actions_pre++;
4678 case RTE_FLOW_ACTION_TYPE_RAW_DECAP:
4679 raw_decap = actions->conf;
4680 if (raw_decap->size > MLX5_ENCAPSULATION_DECISION_SIZE)
4681 action_cur = actions_pre++;
4683 case RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN:
4684 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID:
4691 action_cur = (fm->def_policy) ?
4692 actions_sfx++ : actions_pre++;
4693 memcpy(action_cur, actions, sizeof(struct rte_flow_action));
4695 /* Add end action to the actions. */
4696 actions_sfx->type = RTE_FLOW_ACTION_TYPE_END;
4697 if (priv->sh->meter_aso_en) {
4699 * For ASO meter, need to add an extra jump action explicitly,
4700 * to jump from meter to policer table.
4702 struct mlx5_flow_meter_sub_policy *sub_policy;
4703 struct mlx5_flow_tbl_data_entry *tbl_data;
4705 if (!fm->def_policy) {
4706 sub_policy = get_meter_sub_policy(dev, flow,
4707 fm->policy_id, attr,
4712 enum mlx5_meter_domain mtr_domain =
4713 attr->transfer ? MLX5_MTR_DOMAIN_TRANSFER :
4714 attr->egress ? MLX5_MTR_DOMAIN_EGRESS :
4715 MLX5_MTR_DOMAIN_INGRESS;
4718 &priv->sh->mtrmng->def_policy[mtr_domain]->sub_policy;
4720 tbl_data = container_of(sub_policy->tbl_rsc,
4721 struct mlx5_flow_tbl_data_entry, tbl);
4722 hw_mtr_action = actions_pre++;
4723 hw_mtr_action->type = (enum rte_flow_action_type)
4724 MLX5_RTE_FLOW_ACTION_TYPE_JUMP;
4725 hw_mtr_action->conf = tbl_data->jump.action;
4727 actions_pre->type = RTE_FLOW_ACTION_TYPE_END;
4730 return rte_flow_error_set(error, ENOMEM,
4731 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
4732 "No tag action space.");
4734 tag_action->type = RTE_FLOW_ACTION_TYPE_VOID;
4737 /* Only default-policy Meter creates mtr flow id. */
4738 if (fm->def_policy) {
4739 mlx5_ipool_malloc(fm->flow_ipool, &tag_id);
4741 return rte_flow_error_set(error, ENOMEM,
4742 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
4743 "Failed to allocate meter flow id.");
4744 flow_id = tag_id - 1;
4745 flow_id_bits = MLX5_REG_BITS - __builtin_clz(flow_id);
4746 flow_id_bits = flow_id_bits ? flow_id_bits : 1;
4747 if ((flow_id_bits + priv->sh->mtrmng->max_mtr_bits) >
4749 mlx5_ipool_free(fm->flow_ipool, tag_id);
4750 return rte_flow_error_set(error, EINVAL,
4751 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
4752 "Meter flow id exceeds max limit.");
4754 if (flow_id_bits > priv->sh->mtrmng->max_mtr_flow_bits)
4755 priv->sh->mtrmng->max_mtr_flow_bits = flow_id_bits;
4757 /* Prepare the suffix subflow items. */
4758 tag_item = sfx_items++;
4759 for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
4760 int item_type = items->type;
4762 switch (item_type) {
4763 case RTE_FLOW_ITEM_TYPE_PORT_ID:
4764 memcpy(sfx_items, items, sizeof(*sfx_items));
4767 case RTE_FLOW_ITEM_TYPE_VLAN:
4769 memcpy(sfx_items, items, sizeof(*sfx_items));
4771 * Convert to internal match item, it is used
4772 * for vlan push and set vid.
4774 sfx_items->type = (enum rte_flow_item_type)
4775 MLX5_RTE_FLOW_ITEM_TYPE_VLAN;
4783 sfx_items->type = RTE_FLOW_ITEM_TYPE_END;
4785 /* Build tag actions and items for meter_id/meter flow_id. */
4786 set_tag = (struct mlx5_rte_flow_action_set_tag *)actions_pre;
4787 tag_item_spec = (struct mlx5_rte_flow_item_tag *)sfx_items;
4788 tag_item_mask = tag_item_spec + 1;
4789 /* Both flow_id and meter_id share the same register. */
4790 *set_tag = (struct mlx5_rte_flow_action_set_tag) {
4791 .id = (enum modify_reg)mlx5_flow_get_reg_id(dev, MLX5_MTR_ID,
4793 .offset = mtr_id_offset,
4794 .length = mtr_reg_bits,
4795 .data = flow->meter,
4798 * The color Reg bits used by flow_id are growing from
4799 * msb to lsb, so must do bit reverse for flow_id val in RegC.
4801 for (shift = 0; shift < flow_id_bits; shift++)
4802 flow_id_reversed = (flow_id_reversed << 1) |
4803 ((flow_id >> shift) & 0x1);
4805 flow_id_reversed << (mtr_reg_bits - flow_id_bits);
4806 tag_item_spec->id = set_tag->id;
4807 tag_item_spec->data = set_tag->data << mtr_id_offset;
4808 tag_item_mask->data = UINT32_MAX << mtr_id_offset;
4809 tag_action->type = (enum rte_flow_action_type)
4810 MLX5_RTE_FLOW_ACTION_TYPE_TAG;
4811 tag_action->conf = set_tag;
4812 tag_item->type = (enum rte_flow_item_type)
4813 MLX5_RTE_FLOW_ITEM_TYPE_TAG;
4814 tag_item->spec = tag_item_spec;
4815 tag_item->last = NULL;
4816 tag_item->mask = tag_item_mask;
4819 *mtr_flow_id = tag_id;
4824 * Split action list having QUEUE/RSS for metadata register copy.
4826 * Once Q/RSS action is detected in user's action list, the flow action
4827 * should be split in order to copy metadata registers, which will happen in
4829 * - CQE->flow_tag := reg_c[1] (MARK)
4830 * - CQE->flow_table_metadata (reg_b) := reg_c[0] (META)
4831 * The Q/RSS action will be performed on RX_ACT_TBL after passing by RX_CP_TBL.
4832 * This is because the last action of each flow must be a terminal action
4833 * (QUEUE, RSS or DROP).
4835 * Flow ID must be allocated to identify actions in the RX_ACT_TBL and it is
4836 * stored and kept in the mlx5_flow structure per each sub_flow.
4838 * The Q/RSS action is replaced with,
4839 * - SET_TAG, setting the allocated flow ID to reg_c[2].
4840 * And the following JUMP action is added at the end,
4841 * - JUMP, to RX_CP_TBL.
4843 * A flow to perform remained Q/RSS action will be created in RX_ACT_TBL by
4844 * flow_create_split_metadata() routine. The flow will look like,
4845 * - If flow ID matches (reg_c[2]), perform Q/RSS.
4848 * Pointer to Ethernet device.
4849 * @param[out] split_actions
4850 * Pointer to store split actions to jump to CP_TBL.
4851 * @param[in] actions
4852 * Pointer to the list of original flow actions.
4854 * Pointer to the Q/RSS action.
4855 * @param[in] actions_n
4856 * Number of original actions.
4858 * Perform verbose error reporting if not NULL.
4861 * non-zero unique flow_id on success, otherwise 0 and
4862 * error/rte_error are set.
4865 flow_mreg_split_qrss_prep(struct rte_eth_dev *dev,
4866 struct rte_flow_action *split_actions,
4867 const struct rte_flow_action *actions,
4868 const struct rte_flow_action *qrss,
4869 int actions_n, struct rte_flow_error *error)
4871 struct mlx5_priv *priv = dev->data->dev_private;
4872 struct mlx5_rte_flow_action_set_tag *set_tag;
4873 struct rte_flow_action_jump *jump;
4874 const int qrss_idx = qrss - actions;
4875 uint32_t flow_id = 0;
4879 * Given actions will be split
4880 * - Replace QUEUE/RSS action with SET_TAG to set flow ID.
4881 * - Add jump to mreg CP_TBL.
4882 * As a result, there will be one more action.
4885 memcpy(split_actions, actions, sizeof(*split_actions) * actions_n);
4886 set_tag = (void *)(split_actions + actions_n);
4888 * If tag action is not set to void(it means we are not the meter
4889 * suffix flow), add the tag action. Since meter suffix flow already
4890 * has the tag added.
4892 if (split_actions[qrss_idx].type != RTE_FLOW_ACTION_TYPE_VOID) {
4894 * Allocate the new subflow ID. This one is unique within
4895 * device and not shared with representors. Otherwise,
4896 * we would have to resolve multi-thread access synch
4897 * issue. Each flow on the shared device is appended
4898 * with source vport identifier, so the resulting
4899 * flows will be unique in the shared (by master and
4900 * representors) domain even if they have coinciding
4903 mlx5_ipool_malloc(priv->sh->ipool
4904 [MLX5_IPOOL_RSS_EXPANTION_FLOW_ID], &flow_id);
4906 return rte_flow_error_set(error, ENOMEM,
4907 RTE_FLOW_ERROR_TYPE_ACTION,
4908 NULL, "can't allocate id "
4909 "for split Q/RSS subflow");
4910 /* Internal SET_TAG action to set flow ID. */
4911 *set_tag = (struct mlx5_rte_flow_action_set_tag){
4914 ret = mlx5_flow_get_reg_id(dev, MLX5_COPY_MARK, 0, error);
4918 /* Construct new actions array. */
4919 /* Replace QUEUE/RSS action. */
4920 split_actions[qrss_idx] = (struct rte_flow_action){
4921 .type = (enum rte_flow_action_type)
4922 MLX5_RTE_FLOW_ACTION_TYPE_TAG,
4926 /* JUMP action to jump to mreg copy table (CP_TBL). */
4927 jump = (void *)(set_tag + 1);
4928 *jump = (struct rte_flow_action_jump){
4929 .group = MLX5_FLOW_MREG_CP_TABLE_GROUP,
4931 split_actions[actions_n - 2] = (struct rte_flow_action){
4932 .type = RTE_FLOW_ACTION_TYPE_JUMP,
4935 split_actions[actions_n - 1] = (struct rte_flow_action){
4936 .type = RTE_FLOW_ACTION_TYPE_END,
4942 * Extend the given action list for Tx metadata copy.
4944 * Copy the given action list to the ext_actions and add flow metadata register
4945 * copy action in order to copy reg_a set by WQE to reg_c[0].
4947 * @param[out] ext_actions
4948 * Pointer to the extended action list.
4949 * @param[in] actions
4950 * Pointer to the list of actions.
4951 * @param[in] actions_n
4952 * Number of actions in the list.
4954 * Perform verbose error reporting if not NULL.
4955 * @param[in] encap_idx
4956 * The encap action inndex.
4959 * 0 on success, negative value otherwise
4962 flow_mreg_tx_copy_prep(struct rte_eth_dev *dev,
4963 struct rte_flow_action *ext_actions,
4964 const struct rte_flow_action *actions,
4965 int actions_n, struct rte_flow_error *error,
4968 struct mlx5_flow_action_copy_mreg *cp_mreg =
4969 (struct mlx5_flow_action_copy_mreg *)
4970 (ext_actions + actions_n + 1);
4973 ret = mlx5_flow_get_reg_id(dev, MLX5_METADATA_RX, 0, error);
4977 ret = mlx5_flow_get_reg_id(dev, MLX5_METADATA_TX, 0, error);
4982 memcpy(ext_actions, actions, sizeof(*ext_actions) * encap_idx);
4983 if (encap_idx == actions_n - 1) {
4984 ext_actions[actions_n - 1] = (struct rte_flow_action){
4985 .type = (enum rte_flow_action_type)
4986 MLX5_RTE_FLOW_ACTION_TYPE_COPY_MREG,
4989 ext_actions[actions_n] = (struct rte_flow_action){
4990 .type = RTE_FLOW_ACTION_TYPE_END,
4993 ext_actions[encap_idx] = (struct rte_flow_action){
4994 .type = (enum rte_flow_action_type)
4995 MLX5_RTE_FLOW_ACTION_TYPE_COPY_MREG,
4998 memcpy(ext_actions + encap_idx + 1, actions + encap_idx,
4999 sizeof(*ext_actions) * (actions_n - encap_idx));
5005 * Check the match action from the action list.
5007 * @param[in] actions
5008 * Pointer to the list of actions.
5010 * Flow rule attributes.
5012 * The action to be check if exist.
5013 * @param[out] match_action_pos
5014 * Pointer to the position of the matched action if exists, otherwise is -1.
5015 * @param[out] qrss_action_pos
5016 * Pointer to the position of the Queue/RSS action if exists, otherwise is -1.
5017 * @param[out] modify_after_mirror
5018 * Pointer to the flag of modify action after FDB mirroring.
5021 * > 0 the total number of actions.
5022 * 0 if not found match action in action list.
5025 flow_check_match_action(const struct rte_flow_action actions[],
5026 const struct rte_flow_attr *attr,
5027 enum rte_flow_action_type action,
5028 int *match_action_pos, int *qrss_action_pos,
5029 int *modify_after_mirror)
5031 const struct rte_flow_action_sample *sample;
5038 *match_action_pos = -1;
5039 *qrss_action_pos = -1;
5040 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
5041 if (actions->type == action) {
5043 *match_action_pos = actions_n;
5045 switch (actions->type) {
5046 case RTE_FLOW_ACTION_TYPE_QUEUE:
5047 case RTE_FLOW_ACTION_TYPE_RSS:
5048 *qrss_action_pos = actions_n;
5050 case RTE_FLOW_ACTION_TYPE_SAMPLE:
5051 sample = actions->conf;
5052 ratio = sample->ratio;
5053 sub_type = ((const struct rte_flow_action *)
5054 (sample->actions))->type;
5055 if (ratio == 1 && attr->transfer)
5058 case RTE_FLOW_ACTION_TYPE_SET_MAC_SRC:
5059 case RTE_FLOW_ACTION_TYPE_SET_MAC_DST:
5060 case RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC:
5061 case RTE_FLOW_ACTION_TYPE_SET_IPV4_DST:
5062 case RTE_FLOW_ACTION_TYPE_SET_IPV6_SRC:
5063 case RTE_FLOW_ACTION_TYPE_SET_IPV6_DST:
5064 case RTE_FLOW_ACTION_TYPE_SET_TP_SRC:
5065 case RTE_FLOW_ACTION_TYPE_SET_TP_DST:
5066 case RTE_FLOW_ACTION_TYPE_DEC_TTL:
5067 case RTE_FLOW_ACTION_TYPE_SET_TTL:
5068 case RTE_FLOW_ACTION_TYPE_INC_TCP_SEQ:
5069 case RTE_FLOW_ACTION_TYPE_DEC_TCP_SEQ:
5070 case RTE_FLOW_ACTION_TYPE_INC_TCP_ACK:
5071 case RTE_FLOW_ACTION_TYPE_DEC_TCP_ACK:
5072 case RTE_FLOW_ACTION_TYPE_SET_IPV4_DSCP:
5073 case RTE_FLOW_ACTION_TYPE_SET_IPV6_DSCP:
5074 case RTE_FLOW_ACTION_TYPE_FLAG:
5075 case RTE_FLOW_ACTION_TYPE_MARK:
5076 case RTE_FLOW_ACTION_TYPE_SET_META:
5077 case RTE_FLOW_ACTION_TYPE_SET_TAG:
5078 case RTE_FLOW_ACTION_TYPE_OF_POP_VLAN:
5079 case RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN:
5080 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID:
5081 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_PCP:
5082 case RTE_FLOW_ACTION_TYPE_VXLAN_DECAP:
5083 case RTE_FLOW_ACTION_TYPE_NVGRE_DECAP:
5084 case RTE_FLOW_ACTION_TYPE_RAW_DECAP:
5085 case RTE_FLOW_ACTION_TYPE_MODIFY_FIELD:
5087 *modify_after_mirror = 1;
5094 if (flag && fdb_mirror && !*modify_after_mirror) {
5095 /* FDB mirroring uses the destination array to implement
5096 * instead of FLOW_SAMPLER object.
5098 if (sub_type != RTE_FLOW_ACTION_TYPE_END)
5101 /* Count RTE_FLOW_ACTION_TYPE_END. */
5102 return flag ? actions_n + 1 : 0;
5105 #define SAMPLE_SUFFIX_ITEM 2
5108 * Split the sample flow.
5110 * As sample flow will split to two sub flow, sample flow with
5111 * sample action, the other actions will move to new suffix flow.
5113 * Also add unique tag id with tag action in the sample flow,
5114 * the same tag id will be as match in the suffix flow.
5117 * Pointer to Ethernet device.
5118 * @param[in] add_tag
5119 * Add extra tag action flag.
5120 * @param[out] sfx_items
5121 * Suffix flow match items (list terminated by the END pattern item).
5122 * @param[in] actions
5123 * Associated actions (list terminated by the END action).
5124 * @param[out] actions_sfx
5125 * Suffix flow actions.
5126 * @param[out] actions_pre
5127 * Prefix flow actions.
5128 * @param[in] actions_n
5129 * The total number of actions.
5130 * @param[in] sample_action_pos
5131 * The sample action position.
5132 * @param[in] qrss_action_pos
5133 * The Queue/RSS action position.
5134 * @param[in] jump_table
5135 * Add extra jump action flag.
5137 * Perform verbose error reporting if not NULL.
5140 * 0 on success, or unique flow_id, a negative errno value
5141 * otherwise and rte_errno is set.
5144 flow_sample_split_prep(struct rte_eth_dev *dev,
5146 struct rte_flow_item sfx_items[],
5147 const struct rte_flow_action actions[],
5148 struct rte_flow_action actions_sfx[],
5149 struct rte_flow_action actions_pre[],
5151 int sample_action_pos,
5152 int qrss_action_pos,
5154 struct rte_flow_error *error)
5156 struct mlx5_priv *priv = dev->data->dev_private;
5157 struct mlx5_rte_flow_action_set_tag *set_tag;
5158 struct mlx5_rte_flow_item_tag *tag_spec;
5159 struct mlx5_rte_flow_item_tag *tag_mask;
5160 struct rte_flow_action_jump *jump_action;
5161 uint32_t tag_id = 0;
5163 int append_index = 0;
5166 if (sample_action_pos < 0)
5167 return rte_flow_error_set(error, EINVAL,
5168 RTE_FLOW_ERROR_TYPE_ACTION,
5169 NULL, "invalid position of sample "
5171 /* Prepare the actions for prefix and suffix flow. */
5172 if (qrss_action_pos >= 0 && qrss_action_pos < sample_action_pos) {
5173 index = qrss_action_pos;
5174 /* Put the preceding the Queue/RSS action into prefix flow. */
5176 memcpy(actions_pre, actions,
5177 sizeof(struct rte_flow_action) * index);
5178 /* Put others preceding the sample action into prefix flow. */
5179 if (sample_action_pos > index + 1)
5180 memcpy(actions_pre + index, actions + index + 1,
5181 sizeof(struct rte_flow_action) *
5182 (sample_action_pos - index - 1));
5183 index = sample_action_pos - 1;
5184 /* Put Queue/RSS action into Suffix flow. */
5185 memcpy(actions_sfx, actions + qrss_action_pos,
5186 sizeof(struct rte_flow_action));
5189 index = sample_action_pos;
5191 memcpy(actions_pre, actions,
5192 sizeof(struct rte_flow_action) * index);
5194 /* For CX5, add an extra tag action for NIC-RX and E-Switch ingress.
5195 * For CX6DX and above, metadata registers Cx preserve their value,
5196 * add an extra tag action for NIC-RX and E-Switch Domain.
5199 /* Prepare the prefix tag action. */
5201 set_tag = (void *)(actions_pre + actions_n + append_index);
5202 ret = mlx5_flow_get_reg_id(dev, MLX5_APP_TAG, 0, error);
5205 mlx5_ipool_malloc(priv->sh->ipool
5206 [MLX5_IPOOL_RSS_EXPANTION_FLOW_ID], &tag_id);
5207 *set_tag = (struct mlx5_rte_flow_action_set_tag) {
5211 /* Prepare the suffix subflow items. */
5212 tag_spec = (void *)(sfx_items + SAMPLE_SUFFIX_ITEM);
5213 tag_spec->data = tag_id;
5214 tag_spec->id = set_tag->id;
5215 tag_mask = tag_spec + 1;
5216 tag_mask->data = UINT32_MAX;
5217 sfx_items[0] = (struct rte_flow_item){
5218 .type = (enum rte_flow_item_type)
5219 MLX5_RTE_FLOW_ITEM_TYPE_TAG,
5224 sfx_items[1] = (struct rte_flow_item){
5225 .type = (enum rte_flow_item_type)
5226 RTE_FLOW_ITEM_TYPE_END,
5228 /* Prepare the tag action in prefix subflow. */
5229 actions_pre[index++] =
5230 (struct rte_flow_action){
5231 .type = (enum rte_flow_action_type)
5232 MLX5_RTE_FLOW_ACTION_TYPE_TAG,
5236 memcpy(actions_pre + index, actions + sample_action_pos,
5237 sizeof(struct rte_flow_action));
5239 /* For the modify action after the sample action in E-Switch mirroring,
5240 * Add the extra jump action in prefix subflow and jump into the next
5241 * table, then do the modify action in the new table.
5244 /* Prepare the prefix jump action. */
5246 jump_action = (void *)(actions_pre + actions_n + append_index);
5247 jump_action->group = jump_table;
5248 actions_pre[index++] =
5249 (struct rte_flow_action){
5250 .type = (enum rte_flow_action_type)
5251 RTE_FLOW_ACTION_TYPE_JUMP,
5252 .conf = jump_action,
5255 actions_pre[index] = (struct rte_flow_action){
5256 .type = (enum rte_flow_action_type)
5257 RTE_FLOW_ACTION_TYPE_END,
5259 /* Put the actions after sample into Suffix flow. */
5260 memcpy(actions_sfx, actions + sample_action_pos + 1,
5261 sizeof(struct rte_flow_action) *
5262 (actions_n - sample_action_pos - 1));
5267 * The splitting for metadata feature.
5269 * - Q/RSS action on NIC Rx should be split in order to pass by
5270 * the mreg copy table (RX_CP_TBL) and then it jumps to the
5271 * action table (RX_ACT_TBL) which has the split Q/RSS action.
5273 * - All the actions on NIC Tx should have a mreg copy action to
5274 * copy reg_a from WQE to reg_c[0].
5277 * Pointer to Ethernet device.
5279 * Parent flow structure pointer.
5281 * Flow rule attributes.
5283 * Pattern specification (list terminated by the END pattern item).
5284 * @param[in] actions
5285 * Associated actions (list terminated by the END action).
5286 * @param[in] flow_split_info
5287 * Pointer to flow split info structure.
5289 * Perform verbose error reporting if not NULL.
5291 * 0 on success, negative value otherwise
5294 flow_create_split_metadata(struct rte_eth_dev *dev,
5295 struct rte_flow *flow,
5296 const struct rte_flow_attr *attr,
5297 const struct rte_flow_item items[],
5298 const struct rte_flow_action actions[],
5299 struct mlx5_flow_split_info *flow_split_info,
5300 struct rte_flow_error *error)
5302 struct mlx5_priv *priv = dev->data->dev_private;
5303 struct mlx5_dev_config *config = &priv->config;
5304 const struct rte_flow_action *qrss = NULL;
5305 struct rte_flow_action *ext_actions = NULL;
5306 struct mlx5_flow *dev_flow = NULL;
5307 uint32_t qrss_id = 0;
5314 /* Check whether extensive metadata feature is engaged. */
5315 if (!config->dv_flow_en ||
5316 config->dv_xmeta_en == MLX5_XMETA_MODE_LEGACY ||
5317 !mlx5_flow_ext_mreg_supported(dev))
5318 return flow_create_split_inner(dev, flow, NULL, attr, items,
5319 actions, flow_split_info, error);
5320 actions_n = flow_parse_metadata_split_actions_info(actions, &qrss,
5323 /* Exclude hairpin flows from splitting. */
5324 if (qrss->type == RTE_FLOW_ACTION_TYPE_QUEUE) {
5325 const struct rte_flow_action_queue *queue;
5328 if (mlx5_rxq_get_type(dev, queue->index) ==
5329 MLX5_RXQ_TYPE_HAIRPIN)
5331 } else if (qrss->type == RTE_FLOW_ACTION_TYPE_RSS) {
5332 const struct rte_flow_action_rss *rss;
5335 if (mlx5_rxq_get_type(dev, rss->queue[0]) ==
5336 MLX5_RXQ_TYPE_HAIRPIN)
5341 /* Check if it is in meter suffix table. */
5342 mtr_sfx = attr->group == (attr->transfer ?
5343 (MLX5_FLOW_TABLE_LEVEL_METER - 1) :
5344 MLX5_FLOW_TABLE_LEVEL_METER);
5346 * Q/RSS action on NIC Rx should be split in order to pass by
5347 * the mreg copy table (RX_CP_TBL) and then it jumps to the
5348 * action table (RX_ACT_TBL) which has the split Q/RSS action.
5350 act_size = sizeof(struct rte_flow_action) * (actions_n + 1) +
5351 sizeof(struct rte_flow_action_set_tag) +
5352 sizeof(struct rte_flow_action_jump);
5353 ext_actions = mlx5_malloc(MLX5_MEM_ZERO, act_size, 0,
5356 return rte_flow_error_set(error, ENOMEM,
5357 RTE_FLOW_ERROR_TYPE_ACTION,
5358 NULL, "no memory to split "
5361 * If we are the suffix flow of meter, tag already exist.
5362 * Set the tag action to void.
5365 ext_actions[qrss - actions].type =
5366 RTE_FLOW_ACTION_TYPE_VOID;
5368 ext_actions[qrss - actions].type =
5369 (enum rte_flow_action_type)
5370 MLX5_RTE_FLOW_ACTION_TYPE_TAG;
5372 * Create the new actions list with removed Q/RSS action
5373 * and appended set tag and jump to register copy table
5374 * (RX_CP_TBL). We should preallocate unique tag ID here
5375 * in advance, because it is needed for set tag action.
5377 qrss_id = flow_mreg_split_qrss_prep(dev, ext_actions, actions,
5378 qrss, actions_n, error);
5379 if (!mtr_sfx && !qrss_id) {
5383 } else if (attr->egress && !attr->transfer) {
5385 * All the actions on NIC Tx should have a metadata register
5386 * copy action to copy reg_a from WQE to reg_c[meta]
5388 act_size = sizeof(struct rte_flow_action) * (actions_n + 1) +
5389 sizeof(struct mlx5_flow_action_copy_mreg);
5390 ext_actions = mlx5_malloc(MLX5_MEM_ZERO, act_size, 0,
5393 return rte_flow_error_set(error, ENOMEM,
5394 RTE_FLOW_ERROR_TYPE_ACTION,
5395 NULL, "no memory to split "
5397 /* Create the action list appended with copy register. */
5398 ret = flow_mreg_tx_copy_prep(dev, ext_actions, actions,
5399 actions_n, error, encap_idx);
5403 /* Add the unmodified original or prefix subflow. */
5404 ret = flow_create_split_inner(dev, flow, &dev_flow, attr,
5405 items, ext_actions ? ext_actions :
5406 actions, flow_split_info, error);
5409 MLX5_ASSERT(dev_flow);
5411 const struct rte_flow_attr q_attr = {
5412 .group = MLX5_FLOW_MREG_ACT_TABLE_GROUP,
5415 /* Internal PMD action to set register. */
5416 struct mlx5_rte_flow_item_tag q_tag_spec = {
5420 struct rte_flow_item q_items[] = {
5422 .type = (enum rte_flow_item_type)
5423 MLX5_RTE_FLOW_ITEM_TYPE_TAG,
5424 .spec = &q_tag_spec,
5429 .type = RTE_FLOW_ITEM_TYPE_END,
5432 struct rte_flow_action q_actions[] = {
5438 .type = RTE_FLOW_ACTION_TYPE_END,
5441 uint64_t layers = flow_get_prefix_layer_flags(dev_flow);
5444 * Configure the tag item only if there is no meter subflow.
5445 * Since tag is already marked in the meter suffix subflow
5446 * we can just use the meter suffix items as is.
5449 /* Not meter subflow. */
5450 MLX5_ASSERT(!mtr_sfx);
5452 * Put unique id in prefix flow due to it is destroyed
5453 * after suffix flow and id will be freed after there
5454 * is no actual flows with this id and identifier
5455 * reallocation becomes possible (for example, for
5456 * other flows in other threads).
5458 dev_flow->handle->split_flow_id = qrss_id;
5459 ret = mlx5_flow_get_reg_id(dev, MLX5_COPY_MARK, 0,
5463 q_tag_spec.id = ret;
5466 /* Add suffix subflow to execute Q/RSS. */
5467 flow_split_info->prefix_layers = layers;
5468 flow_split_info->prefix_mark = 0;
5469 ret = flow_create_split_inner(dev, flow, &dev_flow,
5470 &q_attr, mtr_sfx ? items :
5472 flow_split_info, error);
5475 /* qrss ID should be freed if failed. */
5477 MLX5_ASSERT(dev_flow);
5482 * We do not destroy the partially created sub_flows in case of error.
5483 * These ones are included into parent flow list and will be destroyed
5484 * by flow_drv_destroy.
5486 mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_RSS_EXPANTION_FLOW_ID],
5488 mlx5_free(ext_actions);
5493 * Create meter internal drop flow with the original pattern.
5496 * Pointer to Ethernet device.
5498 * Parent flow structure pointer.
5500 * Flow rule attributes.
5502 * Pattern specification (list terminated by the END pattern item).
5503 * @param[in] flow_split_info
5504 * Pointer to flow split info structure.
5506 * Pointer to flow meter structure.
5508 * Perform verbose error reporting if not NULL.
5510 * 0 on success, negative value otherwise
5513 flow_meter_create_drop_flow_with_org_pattern(struct rte_eth_dev *dev,
5514 struct rte_flow *flow,
5515 const struct rte_flow_attr *attr,
5516 const struct rte_flow_item items[],
5517 struct mlx5_flow_split_info *flow_split_info,
5518 struct mlx5_flow_meter_info *fm,
5519 struct rte_flow_error *error)
5521 struct mlx5_flow *dev_flow = NULL;
5522 struct rte_flow_attr drop_attr = *attr;
5523 struct rte_flow_action drop_actions[3];
5524 struct mlx5_flow_split_info drop_split_info = *flow_split_info;
5526 MLX5_ASSERT(fm->drop_cnt);
5527 drop_actions[0].type =
5528 (enum rte_flow_action_type)MLX5_RTE_FLOW_ACTION_TYPE_COUNT;
5529 drop_actions[0].conf = (void *)(uintptr_t)fm->drop_cnt;
5530 drop_actions[1].type = RTE_FLOW_ACTION_TYPE_DROP;
5531 drop_actions[1].conf = NULL;
5532 drop_actions[2].type = RTE_FLOW_ACTION_TYPE_END;
5533 drop_actions[2].conf = NULL;
5534 drop_split_info.external = false;
5535 drop_split_info.skip_scale |= 1 << MLX5_SCALE_FLOW_GROUP_BIT;
5536 drop_split_info.table_id = MLX5_MTR_TABLE_ID_DROP;
5537 drop_attr.group = MLX5_FLOW_TABLE_LEVEL_METER;
5538 return flow_create_split_inner(dev, flow, &dev_flow,
5539 &drop_attr, items, drop_actions,
5540 &drop_split_info, error);
5544 * The splitting for meter feature.
5546 * - The meter flow will be split to two flows as prefix and
5547 * suffix flow. The packets make sense only it pass the prefix
5550 * - Reg_C_5 is used for the packet to match betweend prefix and
5554 * Pointer to Ethernet device.
5556 * Parent flow structure pointer.
5558 * Flow rule attributes.
5560 * Pattern specification (list terminated by the END pattern item).
5561 * @param[in] actions
5562 * Associated actions (list terminated by the END action).
5563 * @param[in] flow_split_info
5564 * Pointer to flow split info structure.
5566 * Perform verbose error reporting if not NULL.
5568 * 0 on success, negative value otherwise
5571 flow_create_split_meter(struct rte_eth_dev *dev,
5572 struct rte_flow *flow,
5573 const struct rte_flow_attr *attr,
5574 const struct rte_flow_item items[],
5575 const struct rte_flow_action actions[],
5576 struct mlx5_flow_split_info *flow_split_info,
5577 struct rte_flow_error *error)
5579 struct mlx5_priv *priv = dev->data->dev_private;
5580 struct mlx5_flow_workspace *wks = mlx5_flow_get_thread_workspace();
5581 struct rte_flow_action *sfx_actions = NULL;
5582 struct rte_flow_action *pre_actions = NULL;
5583 struct rte_flow_item *sfx_items = NULL;
5584 struct mlx5_flow *dev_flow = NULL;
5585 struct rte_flow_attr sfx_attr = *attr;
5586 struct mlx5_flow_meter_info *fm = NULL;
5587 uint8_t skip_scale_restore;
5588 bool has_mtr = false;
5589 bool has_modify = false;
5590 bool set_mtr_reg = true;
5591 uint32_t meter_id = 0;
5592 uint32_t mtr_idx = 0;
5593 uint32_t mtr_flow_id = 0;
5600 actions_n = flow_check_meter_action(dev, actions, &has_mtr,
5601 &has_modify, &meter_id);
5604 fm = flow_dv_meter_find_by_idx(priv, flow->meter);
5606 return rte_flow_error_set(error, EINVAL,
5607 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
5608 NULL, "Meter not found.");
5610 fm = mlx5_flow_meter_find(priv, meter_id, &mtr_idx);
5612 return rte_flow_error_set(error, EINVAL,
5613 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
5614 NULL, "Meter not found.");
5615 ret = mlx5_flow_meter_attach(priv, fm,
5619 flow->meter = mtr_idx;
5624 * If it isn't default-policy Meter, and
5625 * 1. There's no action in flow to change
5626 * packet (modify/encap/decap etc.), OR
5627 * 2. No drop count needed for this meter.
5628 * no need to use regC to save meter id anymore.
5630 if (!fm->def_policy && (!has_modify || !fm->drop_cnt))
5631 set_mtr_reg = false;
5632 /* Prefix actions: meter, decap, encap, tag, jump, end. */
5633 act_size = sizeof(struct rte_flow_action) * (actions_n + 6) +
5634 sizeof(struct mlx5_rte_flow_action_set_tag);
5635 /* Suffix items: tag, vlan, port id, end. */
5636 #define METER_SUFFIX_ITEM 4
5637 item_size = sizeof(struct rte_flow_item) * METER_SUFFIX_ITEM +
5638 sizeof(struct mlx5_rte_flow_item_tag) * 2;
5639 sfx_actions = mlx5_malloc(MLX5_MEM_ZERO, (act_size + item_size),
5642 return rte_flow_error_set(error, ENOMEM,
5643 RTE_FLOW_ERROR_TYPE_ACTION,
5644 NULL, "no memory to split "
5646 sfx_items = (struct rte_flow_item *)((char *)sfx_actions +
5648 /* There's no suffix flow for meter of non-default policy. */
5649 if (!fm->def_policy)
5650 pre_actions = sfx_actions + 1;
5652 pre_actions = sfx_actions + actions_n;
5653 ret = flow_meter_split_prep(dev, flow, fm, &sfx_attr,
5654 items, sfx_items, actions,
5655 sfx_actions, pre_actions,
5656 (set_mtr_reg ? &mtr_flow_id : NULL),
5662 /* Add the prefix subflow. */
5663 flow_split_info->prefix_mark = 0;
5664 skip_scale_restore = flow_split_info->skip_scale;
5665 flow_split_info->skip_scale |=
5666 1 << MLX5_SCALE_JUMP_FLOW_GROUP_BIT;
5667 ret = flow_create_split_inner(dev, flow, &dev_flow,
5668 attr, items, pre_actions,
5669 flow_split_info, error);
5670 flow_split_info->skip_scale = skip_scale_restore;
5673 mlx5_ipool_free(fm->flow_ipool, mtr_flow_id);
5678 dev_flow->handle->split_flow_id = mtr_flow_id;
5679 dev_flow->handle->is_meter_flow_id = 1;
5681 if (!fm->def_policy) {
5682 if (!set_mtr_reg && fm->drop_cnt)
5684 flow_meter_create_drop_flow_with_org_pattern(dev, flow,
5690 /* Setting the sfx group atrr. */
5691 sfx_attr.group = sfx_attr.transfer ?
5692 (MLX5_FLOW_TABLE_LEVEL_METER - 1) :
5693 MLX5_FLOW_TABLE_LEVEL_METER;
5694 flow_split_info->prefix_layers =
5695 flow_get_prefix_layer_flags(dev_flow);
5696 flow_split_info->prefix_mark = dev_flow->handle->mark;
5697 flow_split_info->table_id = MLX5_MTR_TABLE_ID_SUFFIX;
5699 /* Add the prefix subflow. */
5700 ret = flow_create_split_metadata(dev, flow,
5701 &sfx_attr, sfx_items ?
5703 sfx_actions ? sfx_actions : actions,
5704 flow_split_info, error);
5707 mlx5_free(sfx_actions);
5712 * The splitting for sample feature.
5714 * Once Sample action is detected in the action list, the flow actions should
5715 * be split into prefix sub flow and suffix sub flow.
5717 * The original items remain in the prefix sub flow, all actions preceding the
5718 * sample action and the sample action itself will be copied to the prefix
5719 * sub flow, the actions following the sample action will be copied to the
5720 * suffix sub flow, Queue action always be located in the suffix sub flow.
5722 * In order to make the packet from prefix sub flow matches with suffix sub
5723 * flow, an extra tag action be added into prefix sub flow, and the suffix sub
5724 * flow uses tag item with the unique flow id.
5727 * Pointer to Ethernet device.
5729 * Parent flow structure pointer.
5731 * Flow rule attributes.
5733 * Pattern specification (list terminated by the END pattern item).
5734 * @param[in] actions
5735 * Associated actions (list terminated by the END action).
5736 * @param[in] flow_split_info
5737 * Pointer to flow split info structure.
5739 * Perform verbose error reporting if not NULL.
5741 * 0 on success, negative value otherwise
5744 flow_create_split_sample(struct rte_eth_dev *dev,
5745 struct rte_flow *flow,
5746 const struct rte_flow_attr *attr,
5747 const struct rte_flow_item items[],
5748 const struct rte_flow_action actions[],
5749 struct mlx5_flow_split_info *flow_split_info,
5750 struct rte_flow_error *error)
5752 struct mlx5_priv *priv = dev->data->dev_private;
5753 struct rte_flow_action *sfx_actions = NULL;
5754 struct rte_flow_action *pre_actions = NULL;
5755 struct rte_flow_item *sfx_items = NULL;
5756 struct mlx5_flow *dev_flow = NULL;
5757 struct rte_flow_attr sfx_attr = *attr;
5758 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
5759 struct mlx5_flow_dv_sample_resource *sample_res;
5760 struct mlx5_flow_tbl_data_entry *sfx_tbl_data;
5761 struct mlx5_flow_tbl_resource *sfx_tbl;
5765 uint32_t fdb_tx = 0;
5768 int sample_action_pos;
5769 int qrss_action_pos;
5771 int modify_after_mirror = 0;
5772 uint16_t jump_table = 0;
5773 const uint32_t next_ft_step = 1;
5776 if (priv->sampler_en)
5777 actions_n = flow_check_match_action(actions, attr,
5778 RTE_FLOW_ACTION_TYPE_SAMPLE,
5779 &sample_action_pos, &qrss_action_pos,
5780 &modify_after_mirror);
5782 /* The prefix actions must includes sample, tag, end. */
5783 act_size = sizeof(struct rte_flow_action) * (actions_n * 2 + 1)
5784 + sizeof(struct mlx5_rte_flow_action_set_tag);
5785 item_size = sizeof(struct rte_flow_item) * SAMPLE_SUFFIX_ITEM +
5786 sizeof(struct mlx5_rte_flow_item_tag) * 2;
5787 sfx_actions = mlx5_malloc(MLX5_MEM_ZERO, (act_size +
5788 item_size), 0, SOCKET_ID_ANY);
5790 return rte_flow_error_set(error, ENOMEM,
5791 RTE_FLOW_ERROR_TYPE_ACTION,
5792 NULL, "no memory to split "
5794 /* The representor_id is -1 for uplink. */
5795 fdb_tx = (attr->transfer && priv->representor_id != -1);
5797 * When reg_c_preserve is set, metadata registers Cx preserve
5798 * their value even through packet duplication.
5800 add_tag = (!fdb_tx || priv->config.hca_attr.reg_c_preserve);
5802 sfx_items = (struct rte_flow_item *)((char *)sfx_actions
5804 if (modify_after_mirror)
5805 jump_table = attr->group * MLX5_FLOW_TABLE_FACTOR +
5807 pre_actions = sfx_actions + actions_n;
5808 tag_id = flow_sample_split_prep(dev, add_tag, sfx_items,
5809 actions, sfx_actions,
5810 pre_actions, actions_n,
5812 qrss_action_pos, jump_table,
5814 if (tag_id < 0 || (add_tag && !tag_id)) {
5818 if (modify_after_mirror)
5819 flow_split_info->skip_scale =
5820 1 << MLX5_SCALE_JUMP_FLOW_GROUP_BIT;
5821 /* Add the prefix subflow. */
5822 ret = flow_create_split_inner(dev, flow, &dev_flow, attr,
5824 flow_split_info, error);
5829 dev_flow->handle->split_flow_id = tag_id;
5830 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
5831 if (!modify_after_mirror) {
5832 /* Set the sfx group attr. */
5833 sample_res = (struct mlx5_flow_dv_sample_resource *)
5834 dev_flow->dv.sample_res;
5835 sfx_tbl = (struct mlx5_flow_tbl_resource *)
5836 sample_res->normal_path_tbl;
5837 sfx_tbl_data = container_of(sfx_tbl,
5838 struct mlx5_flow_tbl_data_entry,
5840 sfx_attr.group = sfx_attr.transfer ?
5841 (sfx_tbl_data->level - 1) : sfx_tbl_data->level;
5843 MLX5_ASSERT(attr->transfer);
5844 sfx_attr.group = jump_table;
5846 flow_split_info->prefix_layers =
5847 flow_get_prefix_layer_flags(dev_flow);
5848 flow_split_info->prefix_mark = dev_flow->handle->mark;
5849 /* Suffix group level already be scaled with factor, set
5850 * MLX5_SCALE_FLOW_GROUP_BIT of skip_scale to 1 to avoid scale
5851 * again in translation.
5853 flow_split_info->skip_scale = 1 << MLX5_SCALE_FLOW_GROUP_BIT;
5856 /* Add the suffix subflow. */
5857 ret = flow_create_split_meter(dev, flow, &sfx_attr,
5858 sfx_items ? sfx_items : items,
5859 sfx_actions ? sfx_actions : actions,
5860 flow_split_info, error);
5863 mlx5_free(sfx_actions);
5868 * Split the flow to subflow set. The splitters might be linked
5869 * in the chain, like this:
5870 * flow_create_split_outer() calls:
5871 * flow_create_split_meter() calls:
5872 * flow_create_split_metadata(meter_subflow_0) calls:
5873 * flow_create_split_inner(metadata_subflow_0)
5874 * flow_create_split_inner(metadata_subflow_1)
5875 * flow_create_split_inner(metadata_subflow_2)
5876 * flow_create_split_metadata(meter_subflow_1) calls:
5877 * flow_create_split_inner(metadata_subflow_0)
5878 * flow_create_split_inner(metadata_subflow_1)
5879 * flow_create_split_inner(metadata_subflow_2)
5881 * This provide flexible way to add new levels of flow splitting.
5882 * The all of successfully created subflows are included to the
5883 * parent flow dev_flow list.
5886 * Pointer to Ethernet device.
5888 * Parent flow structure pointer.
5890 * Flow rule attributes.
5892 * Pattern specification (list terminated by the END pattern item).
5893 * @param[in] actions
5894 * Associated actions (list terminated by the END action).
5895 * @param[in] flow_split_info
5896 * Pointer to flow split info structure.
5898 * Perform verbose error reporting if not NULL.
5900 * 0 on success, negative value otherwise
5903 flow_create_split_outer(struct rte_eth_dev *dev,
5904 struct rte_flow *flow,
5905 const struct rte_flow_attr *attr,
5906 const struct rte_flow_item items[],
5907 const struct rte_flow_action actions[],
5908 struct mlx5_flow_split_info *flow_split_info,
5909 struct rte_flow_error *error)
5913 ret = flow_create_split_sample(dev, flow, attr, items,
5914 actions, flow_split_info, error);
5915 MLX5_ASSERT(ret <= 0);
5919 static struct mlx5_flow_tunnel *
5920 flow_tunnel_from_rule(struct rte_eth_dev *dev,
5921 const struct rte_flow_attr *attr,
5922 const struct rte_flow_item items[],
5923 const struct rte_flow_action actions[])
5925 struct mlx5_flow_tunnel *tunnel;
5927 #pragma GCC diagnostic push
5928 #pragma GCC diagnostic ignored "-Wcast-qual"
5929 if (is_flow_tunnel_match_rule(dev, attr, items, actions))
5930 tunnel = (struct mlx5_flow_tunnel *)items[0].spec;
5931 else if (is_flow_tunnel_steer_rule(dev, attr, items, actions))
5932 tunnel = (struct mlx5_flow_tunnel *)actions[0].conf;
5935 #pragma GCC diagnostic pop
5941 * Adjust flow RSS workspace if needed.
5944 * Pointer to thread flow work space.
5946 * Pointer to RSS descriptor.
5947 * @param[in] nrssq_num
5948 * New RSS queue number.
5951 * 0 on success, -1 otherwise and rte_errno is set.
5954 flow_rss_workspace_adjust(struct mlx5_flow_workspace *wks,
5955 struct mlx5_flow_rss_desc *rss_desc,
5958 if (likely(nrssq_num <= wks->rssq_num))
5960 rss_desc->queue = realloc(rss_desc->queue,
5961 sizeof(*rss_desc->queue) * RTE_ALIGN(nrssq_num, 2));
5962 if (!rss_desc->queue) {
5966 wks->rssq_num = RTE_ALIGN(nrssq_num, 2);
5971 * Create a flow and add it to @p list.
5974 * Pointer to Ethernet device.
5976 * Pointer to a TAILQ flow list. If this parameter NULL,
5977 * no list insertion occurred, flow is just created,
5978 * this is caller's responsibility to track the
5981 * Flow rule attributes.
5983 * Pattern specification (list terminated by the END pattern item).
5984 * @param[in] actions
5985 * Associated actions (list terminated by the END action).
5986 * @param[in] external
5987 * This flow rule is created by request external to PMD.
5989 * Perform verbose error reporting if not NULL.
5992 * A flow index on success, 0 otherwise and rte_errno is set.
5995 flow_list_create(struct rte_eth_dev *dev, uint32_t *list,
5996 const struct rte_flow_attr *attr,
5997 const struct rte_flow_item items[],
5998 const struct rte_flow_action original_actions[],
5999 bool external, struct rte_flow_error *error)
6001 struct mlx5_priv *priv = dev->data->dev_private;
6002 struct rte_flow *flow = NULL;
6003 struct mlx5_flow *dev_flow;
6004 const struct rte_flow_action_rss *rss = NULL;
6005 struct mlx5_translated_action_handle
6006 indir_actions[MLX5_MAX_INDIRECT_ACTIONS];
6007 int indir_actions_n = MLX5_MAX_INDIRECT_ACTIONS;
6009 struct mlx5_flow_expand_rss buf;
6010 uint8_t buffer[2048];
6013 struct rte_flow_action actions[MLX5_MAX_SPLIT_ACTIONS];
6014 uint8_t buffer[2048];
6017 struct rte_flow_action actions[MLX5_MAX_SPLIT_ACTIONS];
6018 uint8_t buffer[2048];
6019 } actions_hairpin_tx;
6021 struct rte_flow_item items[MLX5_MAX_SPLIT_ITEMS];
6022 uint8_t buffer[2048];
6024 struct mlx5_flow_expand_rss *buf = &expand_buffer.buf;
6025 struct mlx5_flow_rss_desc *rss_desc;
6026 const struct rte_flow_action *p_actions_rx;
6030 struct rte_flow_attr attr_tx = { .priority = 0 };
6031 const struct rte_flow_action *actions;
6032 struct rte_flow_action *translated_actions = NULL;
6033 struct mlx5_flow_tunnel *tunnel;
6034 struct tunnel_default_miss_ctx default_miss_ctx = { 0, };
6035 struct mlx5_flow_workspace *wks = mlx5_flow_push_thread_workspace();
6036 struct mlx5_flow_split_info flow_split_info = {
6037 .external = !!external,
6047 rss_desc = &wks->rss_desc;
6048 ret = flow_action_handles_translate(dev, original_actions,
6051 &translated_actions, error);
6053 MLX5_ASSERT(translated_actions == NULL);
6056 actions = translated_actions ? translated_actions : original_actions;
6057 p_actions_rx = actions;
6058 hairpin_flow = flow_check_hairpin_split(dev, attr, actions);
6059 ret = flow_drv_validate(dev, attr, items, p_actions_rx,
6060 external, hairpin_flow, error);
6062 goto error_before_hairpin_split;
6063 flow = mlx5_ipool_zmalloc(priv->sh->ipool[MLX5_IPOOL_RTE_FLOW], &idx);
6066 goto error_before_hairpin_split;
6068 if (hairpin_flow > 0) {
6069 if (hairpin_flow > MLX5_MAX_SPLIT_ACTIONS) {
6071 goto error_before_hairpin_split;
6073 flow_hairpin_split(dev, actions, actions_rx.actions,
6074 actions_hairpin_tx.actions, items_tx.items,
6076 p_actions_rx = actions_rx.actions;
6078 flow_split_info.flow_idx = idx;
6079 flow->drv_type = flow_get_drv_type(dev, attr);
6080 MLX5_ASSERT(flow->drv_type > MLX5_FLOW_TYPE_MIN &&
6081 flow->drv_type < MLX5_FLOW_TYPE_MAX);
6082 memset(rss_desc, 0, offsetof(struct mlx5_flow_rss_desc, queue));
6083 /* RSS Action only works on NIC RX domain */
6084 if (attr->ingress && !attr->transfer)
6085 rss = flow_get_rss_action(dev, p_actions_rx);
6087 if (flow_rss_workspace_adjust(wks, rss_desc, rss->queue_num))
6090 * The following information is required by
6091 * mlx5_flow_hashfields_adjust() in advance.
6093 rss_desc->level = rss->level;
6094 /* RSS type 0 indicates default RSS type (ETH_RSS_IP). */
6095 rss_desc->types = !rss->types ? ETH_RSS_IP : rss->types;
6097 flow->dev_handles = 0;
6098 if (rss && rss->types) {
6099 unsigned int graph_root;
6101 graph_root = find_graph_root(items, rss->level);
6102 ret = mlx5_flow_expand_rss(buf, sizeof(expand_buffer.buffer),
6104 mlx5_support_expansion, graph_root);
6105 MLX5_ASSERT(ret > 0 &&
6106 (unsigned int)ret < sizeof(expand_buffer.buffer));
6109 buf->entry[0].pattern = (void *)(uintptr_t)items;
6111 rss_desc->shared_rss = flow_get_shared_rss_action(dev, indir_actions,
6113 for (i = 0; i < buf->entries; ++i) {
6114 /* Initialize flow split data. */
6115 flow_split_info.prefix_layers = 0;
6116 flow_split_info.prefix_mark = 0;
6117 flow_split_info.skip_scale = 0;
6119 * The splitter may create multiple dev_flows,
6120 * depending on configuration. In the simplest
6121 * case it just creates unmodified original flow.
6123 ret = flow_create_split_outer(dev, flow, attr,
6124 buf->entry[i].pattern,
6125 p_actions_rx, &flow_split_info,
6129 if (is_flow_tunnel_steer_rule(dev, attr,
6130 buf->entry[i].pattern,
6132 ret = flow_tunnel_add_default_miss(dev, flow, attr,
6138 mlx5_free(default_miss_ctx.queue);
6143 /* Create the tx flow. */
6145 attr_tx.group = MLX5_HAIRPIN_TX_TABLE;
6146 attr_tx.ingress = 0;
6148 dev_flow = flow_drv_prepare(dev, flow, &attr_tx, items_tx.items,
6149 actions_hairpin_tx.actions,
6153 dev_flow->flow = flow;
6154 dev_flow->external = 0;
6155 SILIST_INSERT(&flow->dev_handles, dev_flow->handle_idx,
6156 dev_flow->handle, next);
6157 ret = flow_drv_translate(dev, dev_flow, &attr_tx,
6159 actions_hairpin_tx.actions, error);
6164 * Update the metadata register copy table. If extensive
6165 * metadata feature is enabled and registers are supported
6166 * we might create the extra rte_flow for each unique
6167 * MARK/FLAG action ID.
6169 * The table is updated for ingress Flows only, because
6170 * the egress Flows belong to the different device and
6171 * copy table should be updated in peer NIC Rx domain.
6173 if (attr->ingress &&
6174 (external || attr->group != MLX5_FLOW_MREG_CP_TABLE_GROUP)) {
6175 ret = flow_mreg_update_copy_table(dev, flow, actions, error);
6180 * If the flow is external (from application) OR device is started,
6181 * OR mreg discover, then apply immediately.
6183 if (external || dev->data->dev_started ||
6184 (attr->group == MLX5_FLOW_MREG_CP_TABLE_GROUP &&
6185 attr->priority == MLX5_FLOW_LOWEST_PRIO_INDICATOR)) {
6186 ret = flow_drv_apply(dev, flow, error);
6191 rte_spinlock_lock(&priv->flow_list_lock);
6192 ILIST_INSERT(priv->sh->ipool[MLX5_IPOOL_RTE_FLOW], list, idx,
6194 rte_spinlock_unlock(&priv->flow_list_lock);
6196 flow_rxq_flags_set(dev, flow);
6197 rte_free(translated_actions);
6198 tunnel = flow_tunnel_from_rule(dev, attr, items, actions);
6201 flow->tunnel_id = tunnel->tunnel_id;
6202 __atomic_add_fetch(&tunnel->refctn, 1, __ATOMIC_RELAXED);
6203 mlx5_free(default_miss_ctx.queue);
6205 mlx5_flow_pop_thread_workspace();
6209 ret = rte_errno; /* Save rte_errno before cleanup. */
6210 flow_mreg_del_copy_action(dev, flow);
6211 flow_drv_destroy(dev, flow);
6212 if (rss_desc->shared_rss)
6213 __atomic_sub_fetch(&((struct mlx5_shared_action_rss *)
6215 (priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS],
6216 rss_desc->shared_rss))->refcnt, 1, __ATOMIC_RELAXED);
6217 mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_RTE_FLOW], idx);
6218 rte_errno = ret; /* Restore rte_errno. */
6221 mlx5_flow_pop_thread_workspace();
6222 error_before_hairpin_split:
6223 rte_free(translated_actions);
6228 * Create a dedicated flow rule on e-switch table 0 (root table), to direct all
6229 * incoming packets to table 1.
6231 * Other flow rules, requested for group n, will be created in
6232 * e-switch table n+1.
6233 * Jump action to e-switch group n will be created to group n+1.
6235 * Used when working in switchdev mode, to utilise advantages of table 1
6239 * Pointer to Ethernet device.
6242 * Pointer to flow on success, NULL otherwise and rte_errno is set.
6245 mlx5_flow_create_esw_table_zero_flow(struct rte_eth_dev *dev)
6247 const struct rte_flow_attr attr = {
6254 const struct rte_flow_item pattern = {
6255 .type = RTE_FLOW_ITEM_TYPE_END,
6257 struct rte_flow_action_jump jump = {
6260 const struct rte_flow_action actions[] = {
6262 .type = RTE_FLOW_ACTION_TYPE_JUMP,
6266 .type = RTE_FLOW_ACTION_TYPE_END,
6269 struct mlx5_priv *priv = dev->data->dev_private;
6270 struct rte_flow_error error;
6272 return (void *)(uintptr_t)flow_list_create(dev, &priv->ctrl_flows,
6274 actions, false, &error);
6278 * Validate a flow supported by the NIC.
6280 * @see rte_flow_validate()
6284 mlx5_flow_validate(struct rte_eth_dev *dev,
6285 const struct rte_flow_attr *attr,
6286 const struct rte_flow_item items[],
6287 const struct rte_flow_action original_actions[],
6288 struct rte_flow_error *error)
6291 struct mlx5_translated_action_handle
6292 indir_actions[MLX5_MAX_INDIRECT_ACTIONS];
6293 int indir_actions_n = MLX5_MAX_INDIRECT_ACTIONS;
6294 const struct rte_flow_action *actions;
6295 struct rte_flow_action *translated_actions = NULL;
6296 int ret = flow_action_handles_translate(dev, original_actions,
6299 &translated_actions, error);
6303 actions = translated_actions ? translated_actions : original_actions;
6304 hairpin_flow = flow_check_hairpin_split(dev, attr, actions);
6305 ret = flow_drv_validate(dev, attr, items, actions,
6306 true, hairpin_flow, error);
6307 rte_free(translated_actions);
6314 * @see rte_flow_create()
6318 mlx5_flow_create(struct rte_eth_dev *dev,
6319 const struct rte_flow_attr *attr,
6320 const struct rte_flow_item items[],
6321 const struct rte_flow_action actions[],
6322 struct rte_flow_error *error)
6324 struct mlx5_priv *priv = dev->data->dev_private;
6327 * If the device is not started yet, it is not allowed to created a
6328 * flow from application. PMD default flows and traffic control flows
6331 if (unlikely(!dev->data->dev_started)) {
6332 DRV_LOG(DEBUG, "port %u is not started when "
6333 "inserting a flow", dev->data->port_id);
6334 rte_flow_error_set(error, ENODEV,
6335 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
6337 "port not started");
6341 return (void *)(uintptr_t)flow_list_create(dev, &priv->flows,
6342 attr, items, actions, true, error);
6346 * Destroy a flow in a list.
6349 * Pointer to Ethernet device.
6351 * Pointer to the Indexed flow list. If this parameter NULL,
6352 * there is no flow removal from the list. Be noted that as
6353 * flow is add to the indexed list, memory of the indexed
6354 * list points to maybe changed as flow destroyed.
6355 * @param[in] flow_idx
6356 * Index of flow to destroy.
6359 flow_list_destroy(struct rte_eth_dev *dev, uint32_t *list,
6362 struct mlx5_priv *priv = dev->data->dev_private;
6363 struct rte_flow *flow = mlx5_ipool_get(priv->sh->ipool
6364 [MLX5_IPOOL_RTE_FLOW], flow_idx);
6369 * Update RX queue flags only if port is started, otherwise it is
6372 if (dev->data->dev_started)
6373 flow_rxq_flags_trim(dev, flow);
6374 flow_drv_destroy(dev, flow);
6376 rte_spinlock_lock(&priv->flow_list_lock);
6377 ILIST_REMOVE(priv->sh->ipool[MLX5_IPOOL_RTE_FLOW], list,
6378 flow_idx, flow, next);
6379 rte_spinlock_unlock(&priv->flow_list_lock);
6382 struct mlx5_flow_tunnel *tunnel;
6384 tunnel = mlx5_find_tunnel_id(dev, flow->tunnel_id);
6386 if (!__atomic_sub_fetch(&tunnel->refctn, 1, __ATOMIC_RELAXED))
6387 mlx5_flow_tunnel_free(dev, tunnel);
6389 flow_mreg_del_copy_action(dev, flow);
6390 mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_RTE_FLOW], flow_idx);
6394 * Destroy all flows.
6397 * Pointer to Ethernet device.
6399 * Pointer to the Indexed flow list.
6401 * If flushing is called avtively.
6404 mlx5_flow_list_flush(struct rte_eth_dev *dev, uint32_t *list, bool active)
6406 uint32_t num_flushed = 0;
6409 flow_list_destroy(dev, list, *list);
6413 DRV_LOG(INFO, "port %u: %u flows flushed before stopping",
6414 dev->data->port_id, num_flushed);
6419 * Stop all default actions for flows.
6422 * Pointer to Ethernet device.
6425 mlx5_flow_stop_default(struct rte_eth_dev *dev)
6427 flow_mreg_del_default_copy_action(dev);
6428 flow_rxq_flags_clear(dev);
6432 * Start all default actions for flows.
6435 * Pointer to Ethernet device.
6437 * 0 on success, a negative errno value otherwise and rte_errno is set.
6440 mlx5_flow_start_default(struct rte_eth_dev *dev)
6442 struct rte_flow_error error;
6444 /* Make sure default copy action (reg_c[0] -> reg_b) is created. */
6445 return flow_mreg_add_default_copy_action(dev, &error);
6449 * Release key of thread specific flow workspace data.
6452 flow_release_workspace(void *data)
6454 struct mlx5_flow_workspace *wks = data;
6455 struct mlx5_flow_workspace *next;
6459 free(wks->rss_desc.queue);
6466 * Get thread specific current flow workspace.
6468 * @return pointer to thread specific flow workspace data, NULL on error.
6470 struct mlx5_flow_workspace*
6471 mlx5_flow_get_thread_workspace(void)
6473 struct mlx5_flow_workspace *data;
6475 data = mlx5_flow_os_get_specific_workspace();
6476 MLX5_ASSERT(data && data->inuse);
6477 if (!data || !data->inuse)
6478 DRV_LOG(ERR, "flow workspace not initialized.");
6483 * Allocate and init new flow workspace.
6485 * @return pointer to flow workspace data, NULL on error.
6487 static struct mlx5_flow_workspace*
6488 flow_alloc_thread_workspace(void)
6490 struct mlx5_flow_workspace *data = calloc(1, sizeof(*data));
6493 DRV_LOG(ERR, "Failed to allocate flow workspace "
6497 data->rss_desc.queue = calloc(1,
6498 sizeof(uint16_t) * MLX5_RSSQ_DEFAULT_NUM);
6499 if (!data->rss_desc.queue)
6501 data->rssq_num = MLX5_RSSQ_DEFAULT_NUM;
6504 if (data->rss_desc.queue)
6505 free(data->rss_desc.queue);
6511 * Get new thread specific flow workspace.
6513 * If current workspace inuse, create new one and set as current.
6515 * @return pointer to thread specific flow workspace data, NULL on error.
6517 static struct mlx5_flow_workspace*
6518 mlx5_flow_push_thread_workspace(void)
6520 struct mlx5_flow_workspace *curr;
6521 struct mlx5_flow_workspace *data;
6523 curr = mlx5_flow_os_get_specific_workspace();
6525 data = flow_alloc_thread_workspace();
6528 } else if (!curr->inuse) {
6530 } else if (curr->next) {
6533 data = flow_alloc_thread_workspace();
6541 /* Set as current workspace */
6542 if (mlx5_flow_os_set_specific_workspace(data))
6543 DRV_LOG(ERR, "Failed to set flow workspace to thread.");
6548 * Close current thread specific flow workspace.
6550 * If previous workspace available, set it as current.
6552 * @return pointer to thread specific flow workspace data, NULL on error.
6555 mlx5_flow_pop_thread_workspace(void)
6557 struct mlx5_flow_workspace *data = mlx5_flow_get_thread_workspace();
6562 DRV_LOG(ERR, "Failed to close unused flow workspace.");
6568 if (mlx5_flow_os_set_specific_workspace(data->prev))
6569 DRV_LOG(ERR, "Failed to set flow workspace to thread.");
6573 * Verify the flow list is empty
6576 * Pointer to Ethernet device.
6578 * @return the number of flows not released.
6581 mlx5_flow_verify(struct rte_eth_dev *dev)
6583 struct mlx5_priv *priv = dev->data->dev_private;
6584 struct rte_flow *flow;
6588 ILIST_FOREACH(priv->sh->ipool[MLX5_IPOOL_RTE_FLOW], priv->flows, idx,
6590 DRV_LOG(DEBUG, "port %u flow %p still referenced",
6591 dev->data->port_id, (void *)flow);
6598 * Enable default hairpin egress flow.
6601 * Pointer to Ethernet device.
6606 * 0 on success, a negative errno value otherwise and rte_errno is set.
6609 mlx5_ctrl_flow_source_queue(struct rte_eth_dev *dev,
6612 struct mlx5_priv *priv = dev->data->dev_private;
6613 const struct rte_flow_attr attr = {
6617 struct mlx5_rte_flow_item_tx_queue queue_spec = {
6620 struct mlx5_rte_flow_item_tx_queue queue_mask = {
6621 .queue = UINT32_MAX,
6623 struct rte_flow_item items[] = {
6625 .type = (enum rte_flow_item_type)
6626 MLX5_RTE_FLOW_ITEM_TYPE_TX_QUEUE,
6627 .spec = &queue_spec,
6629 .mask = &queue_mask,
6632 .type = RTE_FLOW_ITEM_TYPE_END,
6635 struct rte_flow_action_jump jump = {
6636 .group = MLX5_HAIRPIN_TX_TABLE,
6638 struct rte_flow_action actions[2];
6640 struct rte_flow_error error;
6642 actions[0].type = RTE_FLOW_ACTION_TYPE_JUMP;
6643 actions[0].conf = &jump;
6644 actions[1].type = RTE_FLOW_ACTION_TYPE_END;
6645 flow_idx = flow_list_create(dev, &priv->ctrl_flows,
6646 &attr, items, actions, false, &error);
6649 "Failed to create ctrl flow: rte_errno(%d),"
6650 " type(%d), message(%s)",
6651 rte_errno, error.type,
6652 error.message ? error.message : " (no stated reason)");
6659 * Enable a control flow configured from the control plane.
6662 * Pointer to Ethernet device.
6664 * An Ethernet flow spec to apply.
6666 * An Ethernet flow mask to apply.
6668 * A VLAN flow spec to apply.
6670 * A VLAN flow mask to apply.
6673 * 0 on success, a negative errno value otherwise and rte_errno is set.
6676 mlx5_ctrl_flow_vlan(struct rte_eth_dev *dev,
6677 struct rte_flow_item_eth *eth_spec,
6678 struct rte_flow_item_eth *eth_mask,
6679 struct rte_flow_item_vlan *vlan_spec,
6680 struct rte_flow_item_vlan *vlan_mask)
6682 struct mlx5_priv *priv = dev->data->dev_private;
6683 const struct rte_flow_attr attr = {
6685 .priority = MLX5_FLOW_LOWEST_PRIO_INDICATOR,
6687 struct rte_flow_item items[] = {
6689 .type = RTE_FLOW_ITEM_TYPE_ETH,
6695 .type = (vlan_spec) ? RTE_FLOW_ITEM_TYPE_VLAN :
6696 RTE_FLOW_ITEM_TYPE_END,
6702 .type = RTE_FLOW_ITEM_TYPE_END,
6705 uint16_t queue[priv->reta_idx_n];
6706 struct rte_flow_action_rss action_rss = {
6707 .func = RTE_ETH_HASH_FUNCTION_DEFAULT,
6709 .types = priv->rss_conf.rss_hf,
6710 .key_len = priv->rss_conf.rss_key_len,
6711 .queue_num = priv->reta_idx_n,
6712 .key = priv->rss_conf.rss_key,
6715 struct rte_flow_action actions[] = {
6717 .type = RTE_FLOW_ACTION_TYPE_RSS,
6718 .conf = &action_rss,
6721 .type = RTE_FLOW_ACTION_TYPE_END,
6725 struct rte_flow_error error;
6728 if (!priv->reta_idx_n || !priv->rxqs_n) {
6731 if (!(dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG))
6732 action_rss.types = 0;
6733 for (i = 0; i != priv->reta_idx_n; ++i)
6734 queue[i] = (*priv->reta_idx)[i];
6735 flow_idx = flow_list_create(dev, &priv->ctrl_flows,
6736 &attr, items, actions, false, &error);
6743 * Enable a flow control configured from the control plane.
6746 * Pointer to Ethernet device.
6748 * An Ethernet flow spec to apply.
6750 * An Ethernet flow mask to apply.
6753 * 0 on success, a negative errno value otherwise and rte_errno is set.
6756 mlx5_ctrl_flow(struct rte_eth_dev *dev,
6757 struct rte_flow_item_eth *eth_spec,
6758 struct rte_flow_item_eth *eth_mask)
6760 return mlx5_ctrl_flow_vlan(dev, eth_spec, eth_mask, NULL, NULL);
6764 * Create default miss flow rule matching lacp traffic
6767 * Pointer to Ethernet device.
6769 * An Ethernet flow spec to apply.
6772 * 0 on success, a negative errno value otherwise and rte_errno is set.
6775 mlx5_flow_lacp_miss(struct rte_eth_dev *dev)
6777 struct mlx5_priv *priv = dev->data->dev_private;
6779 * The LACP matching is done by only using ether type since using
6780 * a multicast dst mac causes kernel to give low priority to this flow.
6782 static const struct rte_flow_item_eth lacp_spec = {
6783 .type = RTE_BE16(0x8809),
6785 static const struct rte_flow_item_eth lacp_mask = {
6788 const struct rte_flow_attr attr = {
6791 struct rte_flow_item items[] = {
6793 .type = RTE_FLOW_ITEM_TYPE_ETH,
6798 .type = RTE_FLOW_ITEM_TYPE_END,
6801 struct rte_flow_action actions[] = {
6803 .type = (enum rte_flow_action_type)
6804 MLX5_RTE_FLOW_ACTION_TYPE_DEFAULT_MISS,
6807 .type = RTE_FLOW_ACTION_TYPE_END,
6810 struct rte_flow_error error;
6811 uint32_t flow_idx = flow_list_create(dev, &priv->ctrl_flows,
6812 &attr, items, actions, false, &error);
6822 * @see rte_flow_destroy()
6826 mlx5_flow_destroy(struct rte_eth_dev *dev,
6827 struct rte_flow *flow,
6828 struct rte_flow_error *error __rte_unused)
6830 struct mlx5_priv *priv = dev->data->dev_private;
6832 flow_list_destroy(dev, &priv->flows, (uintptr_t)(void *)flow);
6837 * Destroy all flows.
6839 * @see rte_flow_flush()
6843 mlx5_flow_flush(struct rte_eth_dev *dev,
6844 struct rte_flow_error *error __rte_unused)
6846 struct mlx5_priv *priv = dev->data->dev_private;
6848 mlx5_flow_list_flush(dev, &priv->flows, false);
6855 * @see rte_flow_isolate()
6859 mlx5_flow_isolate(struct rte_eth_dev *dev,
6861 struct rte_flow_error *error)
6863 struct mlx5_priv *priv = dev->data->dev_private;
6865 if (dev->data->dev_started) {
6866 rte_flow_error_set(error, EBUSY,
6867 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
6869 "port must be stopped first");
6872 priv->isolated = !!enable;
6874 dev->dev_ops = &mlx5_dev_ops_isolate;
6876 dev->dev_ops = &mlx5_dev_ops;
6878 dev->rx_descriptor_status = mlx5_rx_descriptor_status;
6879 dev->tx_descriptor_status = mlx5_tx_descriptor_status;
6887 * @see rte_flow_query()
6891 flow_drv_query(struct rte_eth_dev *dev,
6893 const struct rte_flow_action *actions,
6895 struct rte_flow_error *error)
6897 struct mlx5_priv *priv = dev->data->dev_private;
6898 const struct mlx5_flow_driver_ops *fops;
6899 struct rte_flow *flow = mlx5_ipool_get(priv->sh->ipool
6900 [MLX5_IPOOL_RTE_FLOW],
6902 enum mlx5_flow_drv_type ftype;
6905 return rte_flow_error_set(error, ENOENT,
6906 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
6908 "invalid flow handle");
6910 ftype = flow->drv_type;
6911 MLX5_ASSERT(ftype > MLX5_FLOW_TYPE_MIN && ftype < MLX5_FLOW_TYPE_MAX);
6912 fops = flow_get_drv_ops(ftype);
6914 return fops->query(dev, flow, actions, data, error);
6920 * @see rte_flow_query()
6924 mlx5_flow_query(struct rte_eth_dev *dev,
6925 struct rte_flow *flow,
6926 const struct rte_flow_action *actions,
6928 struct rte_flow_error *error)
6932 ret = flow_drv_query(dev, (uintptr_t)(void *)flow, actions, data,
6940 * Get rte_flow callbacks.
6943 * Pointer to Ethernet device structure.
6945 * Pointer to operation-specific structure.
6950 mlx5_flow_ops_get(struct rte_eth_dev *dev __rte_unused,
6951 const struct rte_flow_ops **ops)
6953 *ops = &mlx5_flow_ops;
6958 * Validate meter policy actions.
6959 * Dispatcher for action type specific validation.
6962 * Pointer to the Ethernet device structure.
6964 * The meter policy action object to validate.
6966 * Attributes of flow to determine steering domain.
6967 * @param[out] is_rss
6969 * @param[out] domain_bitmap
6971 * @param[out] is_def_policy
6972 * Is default policy or not.
6974 * Perform verbose error reporting if not NULL. Initialized in case of
6978 * 0 on success, otherwise negative errno value.
6981 mlx5_flow_validate_mtr_acts(struct rte_eth_dev *dev,
6982 const struct rte_flow_action *actions[RTE_COLORS],
6983 struct rte_flow_attr *attr,
6985 uint8_t *domain_bitmap,
6986 bool *is_def_policy,
6987 struct rte_mtr_error *error)
6989 const struct mlx5_flow_driver_ops *fops;
6991 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
6992 return fops->validate_mtr_acts(dev, actions, attr,
6993 is_rss, domain_bitmap, is_def_policy, error);
6997 * Destroy the meter table set.
7000 * Pointer to Ethernet device.
7001 * @param[in] mtr_policy
7002 * Meter policy struct.
7005 mlx5_flow_destroy_mtr_acts(struct rte_eth_dev *dev,
7006 struct mlx5_flow_meter_policy *mtr_policy)
7008 const struct mlx5_flow_driver_ops *fops;
7010 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7011 fops->destroy_mtr_acts(dev, mtr_policy);
7015 * Create policy action, lock free,
7016 * (mutex should be acquired by caller).
7017 * Dispatcher for action type specific call.
7020 * Pointer to the Ethernet device structure.
7021 * @param[in] mtr_policy
7022 * Meter policy struct.
7024 * Action specification used to create meter actions.
7026 * Perform verbose error reporting if not NULL. Initialized in case of
7030 * 0 on success, otherwise negative errno value.
7033 mlx5_flow_create_mtr_acts(struct rte_eth_dev *dev,
7034 struct mlx5_flow_meter_policy *mtr_policy,
7035 const struct rte_flow_action *actions[RTE_COLORS],
7036 struct rte_mtr_error *error)
7038 const struct mlx5_flow_driver_ops *fops;
7040 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7041 return fops->create_mtr_acts(dev, mtr_policy, actions, error);
7045 * Create policy rules, lock free,
7046 * (mutex should be acquired by caller).
7047 * Dispatcher for action type specific call.
7050 * Pointer to the Ethernet device structure.
7051 * @param[in] mtr_policy
7052 * Meter policy struct.
7055 * 0 on success, -1 otherwise.
7058 mlx5_flow_create_policy_rules(struct rte_eth_dev *dev,
7059 struct mlx5_flow_meter_policy *mtr_policy)
7061 const struct mlx5_flow_driver_ops *fops;
7063 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7064 return fops->create_policy_rules(dev, mtr_policy);
7068 * Destroy policy rules, lock free,
7069 * (mutex should be acquired by caller).
7070 * Dispatcher for action type specific call.
7073 * Pointer to the Ethernet device structure.
7074 * @param[in] mtr_policy
7075 * Meter policy struct.
7078 mlx5_flow_destroy_policy_rules(struct rte_eth_dev *dev,
7079 struct mlx5_flow_meter_policy *mtr_policy)
7081 const struct mlx5_flow_driver_ops *fops;
7083 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7084 fops->destroy_policy_rules(dev, mtr_policy);
7088 * Destroy the default policy table set.
7091 * Pointer to Ethernet device.
7094 mlx5_flow_destroy_def_policy(struct rte_eth_dev *dev)
7096 const struct mlx5_flow_driver_ops *fops;
7098 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7099 fops->destroy_def_policy(dev);
7103 * Destroy the default policy table set.
7106 * Pointer to Ethernet device.
7109 * 0 on success, -1 otherwise.
7112 mlx5_flow_create_def_policy(struct rte_eth_dev *dev)
7114 const struct mlx5_flow_driver_ops *fops;
7116 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7117 return fops->create_def_policy(dev);
7121 * Create the needed meter and suffix tables.
7124 * Pointer to Ethernet device.
7127 * 0 on success, -1 otherwise.
7130 mlx5_flow_create_mtr_tbls(struct rte_eth_dev *dev,
7131 struct mlx5_flow_meter_info *fm,
7133 uint8_t domain_bitmap)
7135 const struct mlx5_flow_driver_ops *fops;
7137 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7138 return fops->create_mtr_tbls(dev, fm, mtr_idx, domain_bitmap);
7142 * Destroy the meter table set.
7145 * Pointer to Ethernet device.
7147 * Pointer to the meter table set.
7150 mlx5_flow_destroy_mtr_tbls(struct rte_eth_dev *dev,
7151 struct mlx5_flow_meter_info *fm)
7153 const struct mlx5_flow_driver_ops *fops;
7155 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7156 fops->destroy_mtr_tbls(dev, fm);
7160 * Destroy the global meter drop table.
7163 * Pointer to Ethernet device.
7166 mlx5_flow_destroy_mtr_drop_tbls(struct rte_eth_dev *dev)
7168 const struct mlx5_flow_driver_ops *fops;
7170 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7171 fops->destroy_mtr_drop_tbls(dev);
7175 * Allocate the needed aso flow meter id.
7178 * Pointer to Ethernet device.
7181 * Index to aso flow meter on success, NULL otherwise.
7184 mlx5_flow_mtr_alloc(struct rte_eth_dev *dev)
7186 const struct mlx5_flow_driver_ops *fops;
7188 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7189 return fops->create_meter(dev);
7193 * Free the aso flow meter id.
7196 * Pointer to Ethernet device.
7197 * @param[in] mtr_idx
7198 * Index to aso flow meter to be free.
7204 mlx5_flow_mtr_free(struct rte_eth_dev *dev, uint32_t mtr_idx)
7206 const struct mlx5_flow_driver_ops *fops;
7208 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7209 fops->free_meter(dev, mtr_idx);
7213 * Allocate a counter.
7216 * Pointer to Ethernet device structure.
7219 * Index to allocated counter on success, 0 otherwise.
7222 mlx5_counter_alloc(struct rte_eth_dev *dev)
7224 const struct mlx5_flow_driver_ops *fops;
7225 struct rte_flow_attr attr = { .transfer = 0 };
7227 if (flow_get_drv_type(dev, &attr) == MLX5_FLOW_TYPE_DV) {
7228 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7229 return fops->counter_alloc(dev);
7232 "port %u counter allocate is not supported.",
7233 dev->data->port_id);
7241 * Pointer to Ethernet device structure.
7243 * Index to counter to be free.
7246 mlx5_counter_free(struct rte_eth_dev *dev, uint32_t cnt)
7248 const struct mlx5_flow_driver_ops *fops;
7249 struct rte_flow_attr attr = { .transfer = 0 };
7251 if (flow_get_drv_type(dev, &attr) == MLX5_FLOW_TYPE_DV) {
7252 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7253 fops->counter_free(dev, cnt);
7257 "port %u counter free is not supported.",
7258 dev->data->port_id);
7262 * Query counter statistics.
7265 * Pointer to Ethernet device structure.
7267 * Index to counter to query.
7269 * Set to clear counter statistics.
7271 * The counter hits packets number to save.
7273 * The counter hits bytes number to save.
7276 * 0 on success, a negative errno value otherwise.
7279 mlx5_counter_query(struct rte_eth_dev *dev, uint32_t cnt,
7280 bool clear, uint64_t *pkts, uint64_t *bytes)
7282 const struct mlx5_flow_driver_ops *fops;
7283 struct rte_flow_attr attr = { .transfer = 0 };
7285 if (flow_get_drv_type(dev, &attr) == MLX5_FLOW_TYPE_DV) {
7286 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7287 return fops->counter_query(dev, cnt, clear, pkts, bytes);
7290 "port %u counter query is not supported.",
7291 dev->data->port_id);
7296 * Allocate a new memory for the counter values wrapped by all the needed
7300 * Pointer to mlx5_dev_ctx_shared object.
7303 * 0 on success, a negative errno value otherwise.
7306 mlx5_flow_create_counter_stat_mem_mng(struct mlx5_dev_ctx_shared *sh)
7308 struct mlx5_devx_mkey_attr mkey_attr;
7309 struct mlx5_counter_stats_mem_mng *mem_mng;
7310 volatile struct flow_counter_stats *raw_data;
7311 int raws_n = MLX5_CNT_CONTAINER_RESIZE + MLX5_MAX_PENDING_QUERIES;
7312 int size = (sizeof(struct flow_counter_stats) *
7313 MLX5_COUNTERS_PER_POOL +
7314 sizeof(struct mlx5_counter_stats_raw)) * raws_n +
7315 sizeof(struct mlx5_counter_stats_mem_mng);
7316 size_t pgsize = rte_mem_page_size();
7320 if (pgsize == (size_t)-1) {
7321 DRV_LOG(ERR, "Failed to get mem page size");
7325 mem = mlx5_malloc(MLX5_MEM_ZERO, size, pgsize, SOCKET_ID_ANY);
7330 mem_mng = (struct mlx5_counter_stats_mem_mng *)(mem + size) - 1;
7331 size = sizeof(*raw_data) * MLX5_COUNTERS_PER_POOL * raws_n;
7332 mem_mng->umem = mlx5_os_umem_reg(sh->ctx, mem, size,
7333 IBV_ACCESS_LOCAL_WRITE);
7334 if (!mem_mng->umem) {
7339 mkey_attr.addr = (uintptr_t)mem;
7340 mkey_attr.size = size;
7341 mkey_attr.umem_id = mlx5_os_get_umem_id(mem_mng->umem);
7342 mkey_attr.pd = sh->pdn;
7343 mkey_attr.log_entity_size = 0;
7344 mkey_attr.pg_access = 0;
7345 mkey_attr.klm_array = NULL;
7346 mkey_attr.klm_num = 0;
7347 mkey_attr.relaxed_ordering_write = sh->cmng.relaxed_ordering_write;
7348 mkey_attr.relaxed_ordering_read = sh->cmng.relaxed_ordering_read;
7349 mem_mng->dm = mlx5_devx_cmd_mkey_create(sh->ctx, &mkey_attr);
7351 mlx5_os_umem_dereg(mem_mng->umem);
7356 mem_mng->raws = (struct mlx5_counter_stats_raw *)(mem + size);
7357 raw_data = (volatile struct flow_counter_stats *)mem;
7358 for (i = 0; i < raws_n; ++i) {
7359 mem_mng->raws[i].mem_mng = mem_mng;
7360 mem_mng->raws[i].data = raw_data + i * MLX5_COUNTERS_PER_POOL;
7362 for (i = 0; i < MLX5_MAX_PENDING_QUERIES; ++i)
7363 LIST_INSERT_HEAD(&sh->cmng.free_stat_raws,
7364 mem_mng->raws + MLX5_CNT_CONTAINER_RESIZE + i,
7366 LIST_INSERT_HEAD(&sh->cmng.mem_mngs, mem_mng, next);
7367 sh->cmng.mem_mng = mem_mng;
7372 * Set the statistic memory to the new counter pool.
7375 * Pointer to mlx5_dev_ctx_shared object.
7377 * Pointer to the pool to set the statistic memory.
7380 * 0 on success, a negative errno value otherwise.
7383 mlx5_flow_set_counter_stat_mem(struct mlx5_dev_ctx_shared *sh,
7384 struct mlx5_flow_counter_pool *pool)
7386 struct mlx5_flow_counter_mng *cmng = &sh->cmng;
7387 /* Resize statistic memory once used out. */
7388 if (!(pool->index % MLX5_CNT_CONTAINER_RESIZE) &&
7389 mlx5_flow_create_counter_stat_mem_mng(sh)) {
7390 DRV_LOG(ERR, "Cannot resize counter stat mem.");
7393 rte_spinlock_lock(&pool->sl);
7394 pool->raw = cmng->mem_mng->raws + pool->index %
7395 MLX5_CNT_CONTAINER_RESIZE;
7396 rte_spinlock_unlock(&pool->sl);
7397 pool->raw_hw = NULL;
7401 #define MLX5_POOL_QUERY_FREQ_US 1000000
7404 * Set the periodic procedure for triggering asynchronous batch queries for all
7405 * the counter pools.
7408 * Pointer to mlx5_dev_ctx_shared object.
7411 mlx5_set_query_alarm(struct mlx5_dev_ctx_shared *sh)
7413 uint32_t pools_n, us;
7415 pools_n = __atomic_load_n(&sh->cmng.n_valid, __ATOMIC_RELAXED);
7416 us = MLX5_POOL_QUERY_FREQ_US / pools_n;
7417 DRV_LOG(DEBUG, "Set alarm for %u pools each %u us", pools_n, us);
7418 if (rte_eal_alarm_set(us, mlx5_flow_query_alarm, sh)) {
7419 sh->cmng.query_thread_on = 0;
7420 DRV_LOG(ERR, "Cannot reinitialize query alarm");
7422 sh->cmng.query_thread_on = 1;
7427 * The periodic procedure for triggering asynchronous batch queries for all the
7428 * counter pools. This function is probably called by the host thread.
7431 * The parameter for the alarm process.
7434 mlx5_flow_query_alarm(void *arg)
7436 struct mlx5_dev_ctx_shared *sh = arg;
7438 uint16_t pool_index = sh->cmng.pool_index;
7439 struct mlx5_flow_counter_mng *cmng = &sh->cmng;
7440 struct mlx5_flow_counter_pool *pool;
7443 if (sh->cmng.pending_queries >= MLX5_MAX_PENDING_QUERIES)
7445 rte_spinlock_lock(&cmng->pool_update_sl);
7446 pool = cmng->pools[pool_index];
7447 n_valid = cmng->n_valid;
7448 rte_spinlock_unlock(&cmng->pool_update_sl);
7449 /* Set the statistic memory to the new created pool. */
7450 if ((!pool->raw && mlx5_flow_set_counter_stat_mem(sh, pool)))
7453 /* There is a pool query in progress. */
7456 LIST_FIRST(&sh->cmng.free_stat_raws);
7458 /* No free counter statistics raw memory. */
7461 * Identify the counters released between query trigger and query
7462 * handle more efficiently. The counter released in this gap period
7463 * should wait for a new round of query as the new arrived packets
7464 * will not be taken into account.
7467 ret = mlx5_devx_cmd_flow_counter_query(pool->min_dcs, 0,
7468 MLX5_COUNTERS_PER_POOL,
7470 pool->raw_hw->mem_mng->dm->id,
7474 (uint64_t)(uintptr_t)pool);
7476 DRV_LOG(ERR, "Failed to trigger asynchronous query for dcs ID"
7477 " %d", pool->min_dcs->id);
7478 pool->raw_hw = NULL;
7481 LIST_REMOVE(pool->raw_hw, next);
7482 sh->cmng.pending_queries++;
7484 if (pool_index >= n_valid)
7487 sh->cmng.pool_index = pool_index;
7488 mlx5_set_query_alarm(sh);
7492 * Check and callback event for new aged flow in the counter pool
7495 * Pointer to mlx5_dev_ctx_shared object.
7497 * Pointer to Current counter pool.
7500 mlx5_flow_aging_check(struct mlx5_dev_ctx_shared *sh,
7501 struct mlx5_flow_counter_pool *pool)
7503 struct mlx5_priv *priv;
7504 struct mlx5_flow_counter *cnt;
7505 struct mlx5_age_info *age_info;
7506 struct mlx5_age_param *age_param;
7507 struct mlx5_counter_stats_raw *cur = pool->raw_hw;
7508 struct mlx5_counter_stats_raw *prev = pool->raw;
7509 const uint64_t curr_time = MLX5_CURR_TIME_SEC;
7510 const uint32_t time_delta = curr_time - pool->time_of_last_age_check;
7511 uint16_t expected = AGE_CANDIDATE;
7514 pool->time_of_last_age_check = curr_time;
7515 for (i = 0; i < MLX5_COUNTERS_PER_POOL; ++i) {
7516 cnt = MLX5_POOL_GET_CNT(pool, i);
7517 age_param = MLX5_CNT_TO_AGE(cnt);
7518 if (__atomic_load_n(&age_param->state,
7519 __ATOMIC_RELAXED) != AGE_CANDIDATE)
7521 if (cur->data[i].hits != prev->data[i].hits) {
7522 __atomic_store_n(&age_param->sec_since_last_hit, 0,
7526 if (__atomic_add_fetch(&age_param->sec_since_last_hit,
7528 __ATOMIC_RELAXED) <= age_param->timeout)
7531 * Hold the lock first, or if between the
7532 * state AGE_TMOUT and tailq operation the
7533 * release happened, the release procedure
7534 * may delete a non-existent tailq node.
7536 priv = rte_eth_devices[age_param->port_id].data->dev_private;
7537 age_info = GET_PORT_AGE_INFO(priv);
7538 rte_spinlock_lock(&age_info->aged_sl);
7539 if (__atomic_compare_exchange_n(&age_param->state, &expected,
7542 __ATOMIC_RELAXED)) {
7543 TAILQ_INSERT_TAIL(&age_info->aged_counters, cnt, next);
7544 MLX5_AGE_SET(age_info, MLX5_AGE_EVENT_NEW);
7546 rte_spinlock_unlock(&age_info->aged_sl);
7548 mlx5_age_event_prepare(sh);
7552 * Handler for the HW respond about ready values from an asynchronous batch
7553 * query. This function is probably called by the host thread.
7556 * The pointer to the shared device context.
7557 * @param[in] async_id
7558 * The Devx async ID.
7560 * The status of the completion.
7563 mlx5_flow_async_pool_query_handle(struct mlx5_dev_ctx_shared *sh,
7564 uint64_t async_id, int status)
7566 struct mlx5_flow_counter_pool *pool =
7567 (struct mlx5_flow_counter_pool *)(uintptr_t)async_id;
7568 struct mlx5_counter_stats_raw *raw_to_free;
7569 uint8_t query_gen = pool->query_gen ^ 1;
7570 struct mlx5_flow_counter_mng *cmng = &sh->cmng;
7571 enum mlx5_counter_type cnt_type =
7572 pool->is_aged ? MLX5_COUNTER_TYPE_AGE :
7573 MLX5_COUNTER_TYPE_ORIGIN;
7575 if (unlikely(status)) {
7576 raw_to_free = pool->raw_hw;
7578 raw_to_free = pool->raw;
7580 mlx5_flow_aging_check(sh, pool);
7581 rte_spinlock_lock(&pool->sl);
7582 pool->raw = pool->raw_hw;
7583 rte_spinlock_unlock(&pool->sl);
7584 /* Be sure the new raw counters data is updated in memory. */
7586 if (!TAILQ_EMPTY(&pool->counters[query_gen])) {
7587 rte_spinlock_lock(&cmng->csl[cnt_type]);
7588 TAILQ_CONCAT(&cmng->counters[cnt_type],
7589 &pool->counters[query_gen], next);
7590 rte_spinlock_unlock(&cmng->csl[cnt_type]);
7593 LIST_INSERT_HEAD(&sh->cmng.free_stat_raws, raw_to_free, next);
7594 pool->raw_hw = NULL;
7595 sh->cmng.pending_queries--;
7599 flow_group_to_table(uint32_t port_id, uint32_t group, uint32_t *table,
7600 const struct flow_grp_info *grp_info,
7601 struct rte_flow_error *error)
7603 if (grp_info->transfer && grp_info->external &&
7604 grp_info->fdb_def_rule) {
7605 if (group == UINT32_MAX)
7606 return rte_flow_error_set
7608 RTE_FLOW_ERROR_TYPE_ATTR_GROUP,
7610 "group index not supported");
7615 DRV_LOG(DEBUG, "port %u group=%#x table=%#x", port_id, group, *table);
7620 * Translate the rte_flow group index to HW table value.
7622 * If tunnel offload is disabled, all group ids converted to flow table
7623 * id using the standard method.
7624 * If tunnel offload is enabled, group id can be converted using the
7625 * standard or tunnel conversion method. Group conversion method
7626 * selection depends on flags in `grp_info` parameter:
7627 * - Internal (grp_info.external == 0) groups conversion uses the
7629 * - Group ids in JUMP action converted with the tunnel conversion.
7630 * - Group id in rule attribute conversion depends on a rule type and
7632 * ** non zero group attributes converted with the tunnel method
7633 * ** zero group attribute in non-tunnel rule is converted using the
7634 * standard method - there's only one root table
7635 * ** zero group attribute in steer tunnel rule is converted with the
7636 * standard method - single root table
7637 * ** zero group attribute in match tunnel rule is a special OvS
7638 * case: that value is used for portability reasons. That group
7639 * id is converted with the tunnel conversion method.
7644 * PMD tunnel offload object
7646 * rte_flow group index value.
7649 * @param[in] grp_info
7650 * flags used for conversion
7652 * Pointer to error structure.
7655 * 0 on success, a negative errno value otherwise and rte_errno is set.
7658 mlx5_flow_group_to_table(struct rte_eth_dev *dev,
7659 const struct mlx5_flow_tunnel *tunnel,
7660 uint32_t group, uint32_t *table,
7661 const struct flow_grp_info *grp_info,
7662 struct rte_flow_error *error)
7665 bool standard_translation;
7667 if (!grp_info->skip_scale && grp_info->external &&
7668 group < MLX5_MAX_TABLES_EXTERNAL)
7669 group *= MLX5_FLOW_TABLE_FACTOR;
7670 if (is_tunnel_offload_active(dev)) {
7671 standard_translation = !grp_info->external ||
7672 grp_info->std_tbl_fix;
7674 standard_translation = true;
7677 "port %u group=%u transfer=%d external=%d fdb_def_rule=%d translate=%s",
7678 dev->data->port_id, group, grp_info->transfer,
7679 grp_info->external, grp_info->fdb_def_rule,
7680 standard_translation ? "STANDARD" : "TUNNEL");
7681 if (standard_translation)
7682 ret = flow_group_to_table(dev->data->port_id, group, table,
7685 ret = tunnel_flow_group_to_flow_table(dev, tunnel, group,
7692 * Discover availability of metadata reg_c's.
7694 * Iteratively use test flows to check availability.
7697 * Pointer to the Ethernet device structure.
7700 * 0 on success, a negative errno value otherwise and rte_errno is set.
7703 mlx5_flow_discover_mreg_c(struct rte_eth_dev *dev)
7705 struct mlx5_priv *priv = dev->data->dev_private;
7706 struct mlx5_dev_config *config = &priv->config;
7707 enum modify_reg idx;
7710 /* reg_c[0] and reg_c[1] are reserved. */
7711 config->flow_mreg_c[n++] = REG_C_0;
7712 config->flow_mreg_c[n++] = REG_C_1;
7713 /* Discover availability of other reg_c's. */
7714 for (idx = REG_C_2; idx <= REG_C_7; ++idx) {
7715 struct rte_flow_attr attr = {
7716 .group = MLX5_FLOW_MREG_CP_TABLE_GROUP,
7717 .priority = MLX5_FLOW_LOWEST_PRIO_INDICATOR,
7720 struct rte_flow_item items[] = {
7722 .type = RTE_FLOW_ITEM_TYPE_END,
7725 struct rte_flow_action actions[] = {
7727 .type = (enum rte_flow_action_type)
7728 MLX5_RTE_FLOW_ACTION_TYPE_COPY_MREG,
7729 .conf = &(struct mlx5_flow_action_copy_mreg){
7735 .type = RTE_FLOW_ACTION_TYPE_JUMP,
7736 .conf = &(struct rte_flow_action_jump){
7737 .group = MLX5_FLOW_MREG_ACT_TABLE_GROUP,
7741 .type = RTE_FLOW_ACTION_TYPE_END,
7745 struct rte_flow *flow;
7746 struct rte_flow_error error;
7748 if (!config->dv_flow_en)
7750 /* Create internal flow, validation skips copy action. */
7751 flow_idx = flow_list_create(dev, NULL, &attr, items,
7752 actions, false, &error);
7753 flow = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_RTE_FLOW],
7757 config->flow_mreg_c[n++] = idx;
7758 flow_list_destroy(dev, NULL, flow_idx);
7760 for (; n < MLX5_MREG_C_NUM; ++n)
7761 config->flow_mreg_c[n] = REG_NON;
7766 * Dump flow raw hw data to file
7769 * The pointer to Ethernet device.
7771 * A pointer to a file for output.
7773 * Perform verbose error reporting if not NULL. PMDs initialize this
7774 * structure in case of error only.
7776 * 0 on success, a nagative value otherwise.
7779 mlx5_flow_dev_dump(struct rte_eth_dev *dev, struct rte_flow *flow_idx,
7781 struct rte_flow_error *error __rte_unused)
7783 struct mlx5_priv *priv = dev->data->dev_private;
7784 struct mlx5_dev_ctx_shared *sh = priv->sh;
7785 uint32_t handle_idx;
7787 struct mlx5_flow_handle *dh;
7788 struct rte_flow *flow;
7790 if (!priv->config.dv_flow_en) {
7791 if (fputs("device dv flow disabled\n", file) <= 0)
7798 return mlx5_devx_cmd_flow_dump(sh->fdb_domain,
7800 sh->tx_domain, file);
7802 flow = mlx5_ipool_get(priv->sh->ipool
7803 [MLX5_IPOOL_RTE_FLOW], (uintptr_t)(void *)flow_idx);
7807 handle_idx = flow->dev_handles;
7808 while (handle_idx) {
7809 dh = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_MLX5_FLOW],
7814 ret = mlx5_devx_cmd_flow_single_dump(dh->drv_flow,
7819 handle_idx = dh->next.next;
7825 * Get aged-out flows.
7828 * Pointer to the Ethernet device structure.
7829 * @param[in] context
7830 * The address of an array of pointers to the aged-out flows contexts.
7831 * @param[in] nb_countexts
7832 * The length of context array pointers.
7834 * Perform verbose error reporting if not NULL. Initialized in case of
7838 * how many contexts get in success, otherwise negative errno value.
7839 * if nb_contexts is 0, return the amount of all aged contexts.
7840 * if nb_contexts is not 0 , return the amount of aged flows reported
7841 * in the context array.
7844 mlx5_flow_get_aged_flows(struct rte_eth_dev *dev, void **contexts,
7845 uint32_t nb_contexts, struct rte_flow_error *error)
7847 const struct mlx5_flow_driver_ops *fops;
7848 struct rte_flow_attr attr = { .transfer = 0 };
7850 if (flow_get_drv_type(dev, &attr) == MLX5_FLOW_TYPE_DV) {
7851 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7852 return fops->get_aged_flows(dev, contexts, nb_contexts,
7856 "port %u get aged flows is not supported.",
7857 dev->data->port_id);
7861 /* Wrapper for driver action_validate op callback */
7863 flow_drv_action_validate(struct rte_eth_dev *dev,
7864 const struct rte_flow_indir_action_conf *conf,
7865 const struct rte_flow_action *action,
7866 const struct mlx5_flow_driver_ops *fops,
7867 struct rte_flow_error *error)
7869 static const char err_msg[] = "indirect action validation unsupported";
7871 if (!fops->action_validate) {
7872 DRV_LOG(ERR, "port %u %s.", dev->data->port_id, err_msg);
7873 rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
7877 return fops->action_validate(dev, conf, action, error);
7881 * Destroys the shared action by handle.
7884 * Pointer to Ethernet device structure.
7886 * Handle for the indirect action object to be destroyed.
7888 * Perform verbose error reporting if not NULL. PMDs initialize this
7889 * structure in case of error only.
7892 * 0 on success, a negative errno value otherwise and rte_errno is set.
7894 * @note: wrapper for driver action_create op callback.
7897 mlx5_action_handle_destroy(struct rte_eth_dev *dev,
7898 struct rte_flow_action_handle *handle,
7899 struct rte_flow_error *error)
7901 static const char err_msg[] = "indirect action destruction unsupported";
7902 struct rte_flow_attr attr = { .transfer = 0 };
7903 const struct mlx5_flow_driver_ops *fops =
7904 flow_get_drv_ops(flow_get_drv_type(dev, &attr));
7906 if (!fops->action_destroy) {
7907 DRV_LOG(ERR, "port %u %s.", dev->data->port_id, err_msg);
7908 rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
7912 return fops->action_destroy(dev, handle, error);
7915 /* Wrapper for driver action_destroy op callback */
7917 flow_drv_action_update(struct rte_eth_dev *dev,
7918 struct rte_flow_action_handle *handle,
7920 const struct mlx5_flow_driver_ops *fops,
7921 struct rte_flow_error *error)
7923 static const char err_msg[] = "indirect action update unsupported";
7925 if (!fops->action_update) {
7926 DRV_LOG(ERR, "port %u %s.", dev->data->port_id, err_msg);
7927 rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
7931 return fops->action_update(dev, handle, update, error);
7934 /* Wrapper for driver action_destroy op callback */
7936 flow_drv_action_query(struct rte_eth_dev *dev,
7937 const struct rte_flow_action_handle *handle,
7939 const struct mlx5_flow_driver_ops *fops,
7940 struct rte_flow_error *error)
7942 static const char err_msg[] = "indirect action query unsupported";
7944 if (!fops->action_query) {
7945 DRV_LOG(ERR, "port %u %s.", dev->data->port_id, err_msg);
7946 rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
7950 return fops->action_query(dev, handle, data, error);
7954 * Create indirect action for reuse in multiple flow rules.
7957 * Pointer to Ethernet device structure.
7959 * Pointer to indirect action object configuration.
7961 * Action configuration for indirect action object creation.
7963 * Perform verbose error reporting if not NULL. PMDs initialize this
7964 * structure in case of error only.
7966 * A valid handle in case of success, NULL otherwise and rte_errno is set.
7968 static struct rte_flow_action_handle *
7969 mlx5_action_handle_create(struct rte_eth_dev *dev,
7970 const struct rte_flow_indir_action_conf *conf,
7971 const struct rte_flow_action *action,
7972 struct rte_flow_error *error)
7974 static const char err_msg[] = "indirect action creation unsupported";
7975 struct rte_flow_attr attr = { .transfer = 0 };
7976 const struct mlx5_flow_driver_ops *fops =
7977 flow_get_drv_ops(flow_get_drv_type(dev, &attr));
7979 if (flow_drv_action_validate(dev, conf, action, fops, error))
7981 if (!fops->action_create) {
7982 DRV_LOG(ERR, "port %u %s.", dev->data->port_id, err_msg);
7983 rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
7987 return fops->action_create(dev, conf, action, error);
7991 * Updates inplace the indirect action configuration pointed by *handle*
7992 * with the configuration provided as *update* argument.
7993 * The update of the indirect action configuration effects all flow rules
7994 * reusing the action via handle.
7997 * Pointer to Ethernet device structure.
7999 * Handle for the indirect action to be updated.
8001 * Action specification used to modify the action pointed by handle.
8002 * *update* could be of same type with the action pointed by the *handle*
8003 * handle argument, or some other structures like a wrapper, depending on
8004 * the indirect action type.
8006 * Perform verbose error reporting if not NULL. PMDs initialize this
8007 * structure in case of error only.
8010 * 0 on success, a negative errno value otherwise and rte_errno is set.
8013 mlx5_action_handle_update(struct rte_eth_dev *dev,
8014 struct rte_flow_action_handle *handle,
8016 struct rte_flow_error *error)
8018 struct rte_flow_attr attr = { .transfer = 0 };
8019 const struct mlx5_flow_driver_ops *fops =
8020 flow_get_drv_ops(flow_get_drv_type(dev, &attr));
8023 ret = flow_drv_action_validate(dev, NULL,
8024 (const struct rte_flow_action *)update, fops, error);
8027 return flow_drv_action_update(dev, handle, update, fops,
8032 * Query the indirect action by handle.
8034 * This function allows retrieving action-specific data such as counters.
8035 * Data is gathered by special action which may be present/referenced in
8036 * more than one flow rule definition.
8038 * see @RTE_FLOW_ACTION_TYPE_COUNT
8041 * Pointer to Ethernet device structure.
8043 * Handle for the indirect action to query.
8044 * @param[in, out] data
8045 * Pointer to storage for the associated query data type.
8047 * Perform verbose error reporting if not NULL. PMDs initialize this
8048 * structure in case of error only.
8051 * 0 on success, a negative errno value otherwise and rte_errno is set.
8054 mlx5_action_handle_query(struct rte_eth_dev *dev,
8055 const struct rte_flow_action_handle *handle,
8057 struct rte_flow_error *error)
8059 struct rte_flow_attr attr = { .transfer = 0 };
8060 const struct mlx5_flow_driver_ops *fops =
8061 flow_get_drv_ops(flow_get_drv_type(dev, &attr));
8063 return flow_drv_action_query(dev, handle, data, fops, error);
8067 * Destroy all indirect actions (shared RSS).
8070 * Pointer to Ethernet device.
8073 * 0 on success, a negative errno value otherwise and rte_errno is set.
8076 mlx5_action_handle_flush(struct rte_eth_dev *dev)
8078 struct rte_flow_error error;
8079 struct mlx5_priv *priv = dev->data->dev_private;
8080 struct mlx5_shared_action_rss *shared_rss;
8084 ILIST_FOREACH(priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS],
8085 priv->rss_shared_actions, idx, shared_rss, next) {
8086 ret |= mlx5_action_handle_destroy(dev,
8087 (struct rte_flow_action_handle *)(uintptr_t)idx, &error);
8092 #ifndef HAVE_MLX5DV_DR
8093 #define MLX5_DOMAIN_SYNC_FLOW ((1 << 0) | (1 << 1))
8095 #define MLX5_DOMAIN_SYNC_FLOW \
8096 (MLX5DV_DR_DOMAIN_SYNC_FLAGS_SW | MLX5DV_DR_DOMAIN_SYNC_FLAGS_HW)
8099 int rte_pmd_mlx5_sync_flow(uint16_t port_id, uint32_t domains)
8101 struct rte_eth_dev *dev = &rte_eth_devices[port_id];
8102 const struct mlx5_flow_driver_ops *fops;
8104 struct rte_flow_attr attr = { .transfer = 0 };
8106 fops = flow_get_drv_ops(flow_get_drv_type(dev, &attr));
8107 ret = fops->sync_domain(dev, domains, MLX5_DOMAIN_SYNC_FLOW);
8114 * tunnel offload functionalilty is defined for DV environment only
8116 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
8118 union tunnel_offload_mark {
8121 uint32_t app_reserve:8;
8122 uint32_t table_id:15;
8123 uint32_t transfer:1;
8124 uint32_t _unused_:8;
8129 mlx5_access_tunnel_offload_db
8130 (struct rte_eth_dev *dev,
8131 bool (*match)(struct rte_eth_dev *,
8132 struct mlx5_flow_tunnel *, const void *),
8133 void (*hit)(struct rte_eth_dev *, struct mlx5_flow_tunnel *, void *),
8134 void (*miss)(struct rte_eth_dev *, void *),
8135 void *ctx, bool lock_op);
8138 flow_tunnel_add_default_miss(struct rte_eth_dev *dev,
8139 struct rte_flow *flow,
8140 const struct rte_flow_attr *attr,
8141 const struct rte_flow_action *app_actions,
8143 struct tunnel_default_miss_ctx *ctx,
8144 struct rte_flow_error *error)
8146 struct mlx5_priv *priv = dev->data->dev_private;
8147 struct mlx5_flow *dev_flow;
8148 struct rte_flow_attr miss_attr = *attr;
8149 const struct mlx5_flow_tunnel *tunnel = app_actions[0].conf;
8150 const struct rte_flow_item miss_items[2] = {
8152 .type = RTE_FLOW_ITEM_TYPE_ETH,
8158 .type = RTE_FLOW_ITEM_TYPE_END,
8164 union tunnel_offload_mark mark_id;
8165 struct rte_flow_action_mark miss_mark;
8166 struct rte_flow_action miss_actions[3] = {
8167 [0] = { .type = RTE_FLOW_ACTION_TYPE_MARK, .conf = &miss_mark },
8168 [2] = { .type = RTE_FLOW_ACTION_TYPE_END, .conf = NULL }
8170 const struct rte_flow_action_jump *jump_data;
8171 uint32_t i, flow_table = 0; /* prevent compilation warning */
8172 struct flow_grp_info grp_info = {
8174 .transfer = attr->transfer,
8175 .fdb_def_rule = !!priv->fdb_def_rule,
8180 if (!attr->transfer) {
8183 miss_actions[1].type = RTE_FLOW_ACTION_TYPE_RSS;
8184 q_size = priv->reta_idx_n * sizeof(ctx->queue[0]);
8185 ctx->queue = mlx5_malloc(MLX5_MEM_SYS | MLX5_MEM_ZERO, q_size,
8188 return rte_flow_error_set
8190 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
8191 NULL, "invalid default miss RSS");
8192 ctx->action_rss.func = RTE_ETH_HASH_FUNCTION_DEFAULT,
8193 ctx->action_rss.level = 0,
8194 ctx->action_rss.types = priv->rss_conf.rss_hf,
8195 ctx->action_rss.key_len = priv->rss_conf.rss_key_len,
8196 ctx->action_rss.queue_num = priv->reta_idx_n,
8197 ctx->action_rss.key = priv->rss_conf.rss_key,
8198 ctx->action_rss.queue = ctx->queue;
8199 if (!priv->reta_idx_n || !priv->rxqs_n)
8200 return rte_flow_error_set
8202 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
8203 NULL, "invalid port configuration");
8204 if (!(dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG))
8205 ctx->action_rss.types = 0;
8206 for (i = 0; i != priv->reta_idx_n; ++i)
8207 ctx->queue[i] = (*priv->reta_idx)[i];
8209 miss_actions[1].type = RTE_FLOW_ACTION_TYPE_JUMP;
8210 ctx->miss_jump.group = MLX5_TNL_MISS_FDB_JUMP_GRP;
8212 miss_actions[1].conf = (typeof(miss_actions[1].conf))ctx->raw;
8213 for (; app_actions->type != RTE_FLOW_ACTION_TYPE_JUMP; app_actions++);
8214 jump_data = app_actions->conf;
8215 miss_attr.priority = MLX5_TNL_MISS_RULE_PRIORITY;
8216 miss_attr.group = jump_data->group;
8217 ret = mlx5_flow_group_to_table(dev, tunnel, jump_data->group,
8218 &flow_table, &grp_info, error);
8220 return rte_flow_error_set(error, EINVAL,
8221 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
8222 NULL, "invalid tunnel id");
8223 mark_id.app_reserve = 0;
8224 mark_id.table_id = tunnel_flow_tbl_to_id(flow_table);
8225 mark_id.transfer = !!attr->transfer;
8226 mark_id._unused_ = 0;
8227 miss_mark.id = mark_id.val;
8228 dev_flow = flow_drv_prepare(dev, flow, &miss_attr,
8229 miss_items, miss_actions, flow_idx, error);
8232 dev_flow->flow = flow;
8233 dev_flow->external = true;
8234 dev_flow->tunnel = tunnel;
8235 /* Subflow object was created, we must include one in the list. */
8236 SILIST_INSERT(&flow->dev_handles, dev_flow->handle_idx,
8237 dev_flow->handle, next);
8239 "port %u tunnel type=%d id=%u miss rule priority=%u group=%u",
8240 dev->data->port_id, tunnel->app_tunnel.type,
8241 tunnel->tunnel_id, miss_attr.priority, miss_attr.group);
8242 ret = flow_drv_translate(dev, dev_flow, &miss_attr, miss_items,
8243 miss_actions, error);
8245 ret = flow_mreg_update_copy_table(dev, flow, miss_actions,
8251 static const struct mlx5_flow_tbl_data_entry *
8252 tunnel_mark_decode(struct rte_eth_dev *dev, uint32_t mark)
8254 struct mlx5_priv *priv = dev->data->dev_private;
8255 struct mlx5_dev_ctx_shared *sh = priv->sh;
8256 struct mlx5_hlist_entry *he;
8257 union tunnel_offload_mark mbits = { .val = mark };
8258 union mlx5_flow_tbl_key table_key = {
8260 .level = tunnel_id_to_flow_tbl(mbits.table_id),
8264 .is_fdb = !!mbits.transfer,
8268 he = mlx5_hlist_lookup(sh->flow_tbls, table_key.v64, NULL);
8270 container_of(he, struct mlx5_flow_tbl_data_entry, entry) : NULL;
8274 mlx5_flow_tunnel_grp2tbl_remove_cb(struct mlx5_hlist *list,
8275 struct mlx5_hlist_entry *entry)
8277 struct mlx5_dev_ctx_shared *sh = list->ctx;
8278 struct tunnel_tbl_entry *tte = container_of(entry, typeof(*tte), hash);
8280 mlx5_ipool_free(sh->ipool[MLX5_IPOOL_TNL_TBL_ID],
8281 tunnel_flow_tbl_to_id(tte->flow_table));
8286 mlx5_flow_tunnel_grp2tbl_match_cb(struct mlx5_hlist *list __rte_unused,
8287 struct mlx5_hlist_entry *entry,
8288 uint64_t key, void *cb_ctx __rte_unused)
8290 union tunnel_tbl_key tbl = {
8293 struct tunnel_tbl_entry *tte = container_of(entry, typeof(*tte), hash);
8295 return tbl.tunnel_id != tte->tunnel_id || tbl.group != tte->group;
8298 static struct mlx5_hlist_entry *
8299 mlx5_flow_tunnel_grp2tbl_create_cb(struct mlx5_hlist *list, uint64_t key,
8300 void *ctx __rte_unused)
8302 struct mlx5_dev_ctx_shared *sh = list->ctx;
8303 struct tunnel_tbl_entry *tte;
8304 union tunnel_tbl_key tbl = {
8308 tte = mlx5_malloc(MLX5_MEM_SYS | MLX5_MEM_ZERO,
8313 mlx5_ipool_malloc(sh->ipool[MLX5_IPOOL_TNL_TBL_ID],
8315 if (tte->flow_table >= MLX5_MAX_TABLES) {
8316 DRV_LOG(ERR, "Tunnel TBL ID %d exceed max limit.",
8318 mlx5_ipool_free(sh->ipool[MLX5_IPOOL_TNL_TBL_ID],
8321 } else if (!tte->flow_table) {
8324 tte->flow_table = tunnel_id_to_flow_tbl(tte->flow_table);
8325 tte->tunnel_id = tbl.tunnel_id;
8326 tte->group = tbl.group;
8335 tunnel_flow_group_to_flow_table(struct rte_eth_dev *dev,
8336 const struct mlx5_flow_tunnel *tunnel,
8337 uint32_t group, uint32_t *table,
8338 struct rte_flow_error *error)
8340 struct mlx5_hlist_entry *he;
8341 struct tunnel_tbl_entry *tte;
8342 union tunnel_tbl_key key = {
8343 .tunnel_id = tunnel ? tunnel->tunnel_id : 0,
8346 struct mlx5_flow_tunnel_hub *thub = mlx5_tunnel_hub(dev);
8347 struct mlx5_hlist *group_hash;
8349 group_hash = tunnel ? tunnel->groups : thub->groups;
8350 he = mlx5_hlist_register(group_hash, key.val, NULL);
8352 return rte_flow_error_set(error, EINVAL,
8353 RTE_FLOW_ERROR_TYPE_ATTR_GROUP,
8355 "tunnel group index not supported");
8356 tte = container_of(he, typeof(*tte), hash);
8357 *table = tte->flow_table;
8358 DRV_LOG(DEBUG, "port %u tunnel %u group=%#x table=%#x",
8359 dev->data->port_id, key.tunnel_id, group, *table);
8364 mlx5_flow_tunnel_free(struct rte_eth_dev *dev,
8365 struct mlx5_flow_tunnel *tunnel)
8367 struct mlx5_priv *priv = dev->data->dev_private;
8368 struct mlx5_indexed_pool *ipool;
8370 DRV_LOG(DEBUG, "port %u release pmd tunnel id=0x%x",
8371 dev->data->port_id, tunnel->tunnel_id);
8372 LIST_REMOVE(tunnel, chain);
8373 mlx5_hlist_destroy(tunnel->groups);
8374 ipool = priv->sh->ipool[MLX5_IPOOL_TUNNEL_ID];
8375 mlx5_ipool_free(ipool, tunnel->tunnel_id);
8379 mlx5_access_tunnel_offload_db
8380 (struct rte_eth_dev *dev,
8381 bool (*match)(struct rte_eth_dev *,
8382 struct mlx5_flow_tunnel *, const void *),
8383 void (*hit)(struct rte_eth_dev *, struct mlx5_flow_tunnel *, void *),
8384 void (*miss)(struct rte_eth_dev *, void *),
8385 void *ctx, bool lock_op)
8387 bool verdict = false;
8388 struct mlx5_flow_tunnel_hub *thub = mlx5_tunnel_hub(dev);
8389 struct mlx5_flow_tunnel *tunnel;
8391 rte_spinlock_lock(&thub->sl);
8392 LIST_FOREACH(tunnel, &thub->tunnels, chain) {
8393 verdict = match(dev, tunnel, (const void *)ctx);
8398 rte_spinlock_unlock(&thub->sl);
8400 hit(dev, tunnel, ctx);
8401 if (!verdict && miss)
8404 rte_spinlock_unlock(&thub->sl);
8409 struct tunnel_db_find_tunnel_id_ctx {
8411 struct mlx5_flow_tunnel *tunnel;
8415 find_tunnel_id_match(struct rte_eth_dev *dev,
8416 struct mlx5_flow_tunnel *tunnel, const void *x)
8418 const struct tunnel_db_find_tunnel_id_ctx *ctx = x;
8421 return tunnel->tunnel_id == ctx->tunnel_id;
8425 find_tunnel_id_hit(struct rte_eth_dev *dev,
8426 struct mlx5_flow_tunnel *tunnel, void *x)
8428 struct tunnel_db_find_tunnel_id_ctx *ctx = x;
8430 ctx->tunnel = tunnel;
8433 static struct mlx5_flow_tunnel *
8434 mlx5_find_tunnel_id(struct rte_eth_dev *dev, uint32_t id)
8436 struct tunnel_db_find_tunnel_id_ctx ctx = {
8440 mlx5_access_tunnel_offload_db(dev, find_tunnel_id_match,
8441 find_tunnel_id_hit, NULL, &ctx, true);
8446 static struct mlx5_flow_tunnel *
8447 mlx5_flow_tunnel_allocate(struct rte_eth_dev *dev,
8448 const struct rte_flow_tunnel *app_tunnel)
8450 struct mlx5_priv *priv = dev->data->dev_private;
8451 struct mlx5_indexed_pool *ipool;
8452 struct mlx5_flow_tunnel *tunnel;
8455 ipool = priv->sh->ipool[MLX5_IPOOL_TUNNEL_ID];
8456 tunnel = mlx5_ipool_zmalloc(ipool, &id);
8459 if (id >= MLX5_MAX_TUNNELS) {
8460 mlx5_ipool_free(ipool, id);
8461 DRV_LOG(ERR, "Tunnel ID %d exceed max limit.", id);
8464 tunnel->groups = mlx5_hlist_create("tunnel groups", 1024, 0, 0,
8465 mlx5_flow_tunnel_grp2tbl_create_cb,
8466 mlx5_flow_tunnel_grp2tbl_match_cb,
8467 mlx5_flow_tunnel_grp2tbl_remove_cb);
8468 if (!tunnel->groups) {
8469 mlx5_ipool_free(ipool, id);
8472 tunnel->groups->ctx = priv->sh;
8473 /* initiate new PMD tunnel */
8474 memcpy(&tunnel->app_tunnel, app_tunnel, sizeof(*app_tunnel));
8475 tunnel->tunnel_id = id;
8476 tunnel->action.type = (typeof(tunnel->action.type))
8477 MLX5_RTE_FLOW_ACTION_TYPE_TUNNEL_SET;
8478 tunnel->action.conf = tunnel;
8479 tunnel->item.type = (typeof(tunnel->item.type))
8480 MLX5_RTE_FLOW_ITEM_TYPE_TUNNEL;
8481 tunnel->item.spec = tunnel;
8482 tunnel->item.last = NULL;
8483 tunnel->item.mask = NULL;
8485 DRV_LOG(DEBUG, "port %u new pmd tunnel id=0x%x",
8486 dev->data->port_id, tunnel->tunnel_id);
8491 struct tunnel_db_get_tunnel_ctx {
8492 const struct rte_flow_tunnel *app_tunnel;
8493 struct mlx5_flow_tunnel *tunnel;
8496 static bool get_tunnel_match(struct rte_eth_dev *dev,
8497 struct mlx5_flow_tunnel *tunnel, const void *x)
8499 const struct tunnel_db_get_tunnel_ctx *ctx = x;
8502 return !memcmp(ctx->app_tunnel, &tunnel->app_tunnel,
8503 sizeof(*ctx->app_tunnel));
8506 static void get_tunnel_hit(struct rte_eth_dev *dev,
8507 struct mlx5_flow_tunnel *tunnel, void *x)
8509 /* called under tunnel spinlock protection */
8510 struct tunnel_db_get_tunnel_ctx *ctx = x;
8514 ctx->tunnel = tunnel;
8517 static void get_tunnel_miss(struct rte_eth_dev *dev, void *x)
8519 /* called under tunnel spinlock protection */
8520 struct mlx5_flow_tunnel_hub *thub = mlx5_tunnel_hub(dev);
8521 struct tunnel_db_get_tunnel_ctx *ctx = x;
8523 rte_spinlock_unlock(&thub->sl);
8524 ctx->tunnel = mlx5_flow_tunnel_allocate(dev, ctx->app_tunnel);
8525 rte_spinlock_lock(&thub->sl);
8527 ctx->tunnel->refctn = 1;
8528 LIST_INSERT_HEAD(&thub->tunnels, ctx->tunnel, chain);
8534 mlx5_get_flow_tunnel(struct rte_eth_dev *dev,
8535 const struct rte_flow_tunnel *app_tunnel,
8536 struct mlx5_flow_tunnel **tunnel)
8538 struct tunnel_db_get_tunnel_ctx ctx = {
8539 .app_tunnel = app_tunnel,
8542 mlx5_access_tunnel_offload_db(dev, get_tunnel_match, get_tunnel_hit,
8543 get_tunnel_miss, &ctx, true);
8544 *tunnel = ctx.tunnel;
8545 return ctx.tunnel ? 0 : -ENOMEM;
8548 void mlx5_release_tunnel_hub(struct mlx5_dev_ctx_shared *sh, uint16_t port_id)
8550 struct mlx5_flow_tunnel_hub *thub = sh->tunnel_hub;
8554 if (!LIST_EMPTY(&thub->tunnels))
8555 DRV_LOG(WARNING, "port %u tunnels present", port_id);
8556 mlx5_hlist_destroy(thub->groups);
8560 int mlx5_alloc_tunnel_hub(struct mlx5_dev_ctx_shared *sh)
8563 struct mlx5_flow_tunnel_hub *thub;
8565 thub = mlx5_malloc(MLX5_MEM_SYS | MLX5_MEM_ZERO, sizeof(*thub),
8569 LIST_INIT(&thub->tunnels);
8570 rte_spinlock_init(&thub->sl);
8571 thub->groups = mlx5_hlist_create("flow groups",
8572 rte_align32pow2(MLX5_MAX_TABLES), 0,
8573 0, mlx5_flow_tunnel_grp2tbl_create_cb,
8574 mlx5_flow_tunnel_grp2tbl_match_cb,
8575 mlx5_flow_tunnel_grp2tbl_remove_cb);
8576 if (!thub->groups) {
8580 thub->groups->ctx = sh;
8581 sh->tunnel_hub = thub;
8587 mlx5_hlist_destroy(thub->groups);
8594 mlx5_flow_tunnel_validate(struct rte_eth_dev *dev,
8595 struct rte_flow_tunnel *tunnel,
8596 const char *err_msg)
8599 if (!is_tunnel_offload_active(dev)) {
8600 err_msg = "tunnel offload was not activated";
8602 } else if (!tunnel) {
8603 err_msg = "no application tunnel";
8607 switch (tunnel->type) {
8609 err_msg = "unsupported tunnel type";
8611 case RTE_FLOW_ITEM_TYPE_VXLAN:
8620 mlx5_flow_tunnel_decap_set(struct rte_eth_dev *dev,
8621 struct rte_flow_tunnel *app_tunnel,
8622 struct rte_flow_action **actions,
8623 uint32_t *num_of_actions,
8624 struct rte_flow_error *error)
8627 struct mlx5_flow_tunnel *tunnel;
8628 const char *err_msg = NULL;
8629 bool verdict = mlx5_flow_tunnel_validate(dev, app_tunnel, err_msg);
8632 return rte_flow_error_set(error, EINVAL,
8633 RTE_FLOW_ERROR_TYPE_ACTION_CONF, NULL,
8635 ret = mlx5_get_flow_tunnel(dev, app_tunnel, &tunnel);
8637 return rte_flow_error_set(error, ret,
8638 RTE_FLOW_ERROR_TYPE_ACTION_CONF, NULL,
8639 "failed to initialize pmd tunnel");
8641 *actions = &tunnel->action;
8642 *num_of_actions = 1;
8647 mlx5_flow_tunnel_match(struct rte_eth_dev *dev,
8648 struct rte_flow_tunnel *app_tunnel,
8649 struct rte_flow_item **items,
8650 uint32_t *num_of_items,
8651 struct rte_flow_error *error)
8654 struct mlx5_flow_tunnel *tunnel;
8655 const char *err_msg = NULL;
8656 bool verdict = mlx5_flow_tunnel_validate(dev, app_tunnel, err_msg);
8659 return rte_flow_error_set(error, EINVAL,
8660 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
8662 ret = mlx5_get_flow_tunnel(dev, app_tunnel, &tunnel);
8664 return rte_flow_error_set(error, ret,
8665 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
8666 "failed to initialize pmd tunnel");
8668 *items = &tunnel->item;
8673 struct tunnel_db_element_release_ctx {
8674 struct rte_flow_item *items;
8675 struct rte_flow_action *actions;
8676 uint32_t num_elements;
8677 struct rte_flow_error *error;
8682 tunnel_element_release_match(struct rte_eth_dev *dev,
8683 struct mlx5_flow_tunnel *tunnel, const void *x)
8685 const struct tunnel_db_element_release_ctx *ctx = x;
8688 if (ctx->num_elements != 1)
8690 else if (ctx->items)
8691 return ctx->items == &tunnel->item;
8692 else if (ctx->actions)
8693 return ctx->actions == &tunnel->action;
8699 tunnel_element_release_hit(struct rte_eth_dev *dev,
8700 struct mlx5_flow_tunnel *tunnel, void *x)
8702 struct tunnel_db_element_release_ctx *ctx = x;
8704 if (!__atomic_sub_fetch(&tunnel->refctn, 1, __ATOMIC_RELAXED))
8705 mlx5_flow_tunnel_free(dev, tunnel);
8709 tunnel_element_release_miss(struct rte_eth_dev *dev, void *x)
8711 struct tunnel_db_element_release_ctx *ctx = x;
8713 ctx->ret = rte_flow_error_set(ctx->error, EINVAL,
8714 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
8715 "invalid argument");
8719 mlx5_flow_tunnel_item_release(struct rte_eth_dev *dev,
8720 struct rte_flow_item *pmd_items,
8721 uint32_t num_items, struct rte_flow_error *err)
8723 struct tunnel_db_element_release_ctx ctx = {
8726 .num_elements = num_items,
8730 mlx5_access_tunnel_offload_db(dev, tunnel_element_release_match,
8731 tunnel_element_release_hit,
8732 tunnel_element_release_miss, &ctx, false);
8738 mlx5_flow_tunnel_action_release(struct rte_eth_dev *dev,
8739 struct rte_flow_action *pmd_actions,
8740 uint32_t num_actions, struct rte_flow_error *err)
8742 struct tunnel_db_element_release_ctx ctx = {
8744 .actions = pmd_actions,
8745 .num_elements = num_actions,
8749 mlx5_access_tunnel_offload_db(dev, tunnel_element_release_match,
8750 tunnel_element_release_hit,
8751 tunnel_element_release_miss, &ctx, false);
8757 mlx5_flow_tunnel_get_restore_info(struct rte_eth_dev *dev,
8759 struct rte_flow_restore_info *info,
8760 struct rte_flow_error *err)
8762 uint64_t ol_flags = m->ol_flags;
8763 const struct mlx5_flow_tbl_data_entry *tble;
8764 const uint64_t mask = PKT_RX_FDIR | PKT_RX_FDIR_ID;
8766 if (!is_tunnel_offload_active(dev)) {
8771 if ((ol_flags & mask) != mask)
8773 tble = tunnel_mark_decode(dev, m->hash.fdir.hi);
8775 DRV_LOG(DEBUG, "port %u invalid miss tunnel mark %#x",
8776 dev->data->port_id, m->hash.fdir.hi);
8779 MLX5_ASSERT(tble->tunnel);
8780 memcpy(&info->tunnel, &tble->tunnel->app_tunnel, sizeof(info->tunnel));
8781 info->group_id = tble->group_id;
8782 info->flags = RTE_FLOW_RESTORE_INFO_TUNNEL |
8783 RTE_FLOW_RESTORE_INFO_GROUP_ID |
8784 RTE_FLOW_RESTORE_INFO_ENCAPSULATED;
8789 return rte_flow_error_set(err, EINVAL,
8790 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
8791 "failed to get restore info");
8794 #else /* HAVE_IBV_FLOW_DV_SUPPORT */
8796 mlx5_flow_tunnel_decap_set(__rte_unused struct rte_eth_dev *dev,
8797 __rte_unused struct rte_flow_tunnel *app_tunnel,
8798 __rte_unused struct rte_flow_action **actions,
8799 __rte_unused uint32_t *num_of_actions,
8800 __rte_unused struct rte_flow_error *error)
8806 mlx5_flow_tunnel_match(__rte_unused struct rte_eth_dev *dev,
8807 __rte_unused struct rte_flow_tunnel *app_tunnel,
8808 __rte_unused struct rte_flow_item **items,
8809 __rte_unused uint32_t *num_of_items,
8810 __rte_unused struct rte_flow_error *error)
8816 mlx5_flow_tunnel_item_release(__rte_unused struct rte_eth_dev *dev,
8817 __rte_unused struct rte_flow_item *pmd_items,
8818 __rte_unused uint32_t num_items,
8819 __rte_unused struct rte_flow_error *err)
8825 mlx5_flow_tunnel_action_release(__rte_unused struct rte_eth_dev *dev,
8826 __rte_unused struct rte_flow_action *pmd_action,
8827 __rte_unused uint32_t num_actions,
8828 __rte_unused struct rte_flow_error *err)
8834 mlx5_flow_tunnel_get_restore_info(__rte_unused struct rte_eth_dev *dev,
8835 __rte_unused struct rte_mbuf *m,
8836 __rte_unused struct rte_flow_restore_info *i,
8837 __rte_unused struct rte_flow_error *err)
8843 flow_tunnel_add_default_miss(__rte_unused struct rte_eth_dev *dev,
8844 __rte_unused struct rte_flow *flow,
8845 __rte_unused const struct rte_flow_attr *attr,
8846 __rte_unused const struct rte_flow_action *actions,
8847 __rte_unused uint32_t flow_idx,
8848 __rte_unused struct tunnel_default_miss_ctx *ctx,
8849 __rte_unused struct rte_flow_error *error)
8854 static struct mlx5_flow_tunnel *
8855 mlx5_find_tunnel_id(__rte_unused struct rte_eth_dev *dev,
8856 __rte_unused uint32_t id)
8862 mlx5_flow_tunnel_free(__rte_unused struct rte_eth_dev *dev,
8863 __rte_unused struct mlx5_flow_tunnel *tunnel)
8868 tunnel_flow_group_to_flow_table(__rte_unused struct rte_eth_dev *dev,
8869 __rte_unused const struct mlx5_flow_tunnel *t,
8870 __rte_unused uint32_t group,
8871 __rte_unused uint32_t *table,
8872 struct rte_flow_error *error)
8874 return rte_flow_error_set(error, ENOTSUP,
8875 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
8876 "tunnel offload requires DV support");
8880 mlx5_release_tunnel_hub(__rte_unused struct mlx5_dev_ctx_shared *sh,
8881 __rte_unused uint16_t port_id)
8884 #endif /* HAVE_IBV_FLOW_DV_SUPPORT */