1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright 2016 6WIND S.A.
3 * Copyright 2016 Mellanox Technologies, Ltd
10 #include <sys/queue.h>
12 #include <rte_common.h>
13 #include <rte_ether.h>
14 #include <ethdev_driver.h>
15 #include <rte_eal_paging.h>
17 #include <rte_cycles.h>
18 #include <rte_flow_driver.h>
19 #include <rte_malloc.h>
22 #include <mlx5_glue.h>
23 #include <mlx5_devx_cmds.h>
25 #include <mlx5_malloc.h>
27 #include "mlx5_defs.h"
29 #include "mlx5_flow.h"
30 #include "mlx5_flow_os.h"
33 #include "mlx5_common_os.h"
34 #include "rte_pmd_mlx5.h"
36 struct tunnel_default_miss_ctx {
40 struct rte_flow_action_rss action_rss;
41 struct rte_flow_action_queue miss_queue;
42 struct rte_flow_action_jump miss_jump;
48 flow_tunnel_add_default_miss(struct rte_eth_dev *dev,
49 struct rte_flow *flow,
50 const struct rte_flow_attr *attr,
51 const struct rte_flow_action *app_actions,
53 const struct mlx5_flow_tunnel *tunnel,
54 struct tunnel_default_miss_ctx *ctx,
55 struct rte_flow_error *error);
56 static struct mlx5_flow_tunnel *
57 mlx5_find_tunnel_id(struct rte_eth_dev *dev, uint32_t id);
59 mlx5_flow_tunnel_free(struct rte_eth_dev *dev, struct mlx5_flow_tunnel *tunnel);
61 tunnel_flow_group_to_flow_table(struct rte_eth_dev *dev,
62 const struct mlx5_flow_tunnel *tunnel,
63 uint32_t group, uint32_t *table,
64 struct rte_flow_error *error);
66 static struct mlx5_flow_workspace *mlx5_flow_push_thread_workspace(void);
67 static void mlx5_flow_pop_thread_workspace(void);
70 /** Device flow drivers. */
71 extern const struct mlx5_flow_driver_ops mlx5_flow_verbs_drv_ops;
73 const struct mlx5_flow_driver_ops mlx5_flow_null_drv_ops;
75 const struct mlx5_flow_driver_ops *flow_drv_ops[] = {
76 [MLX5_FLOW_TYPE_MIN] = &mlx5_flow_null_drv_ops,
77 #if defined(HAVE_IBV_FLOW_DV_SUPPORT) || !defined(HAVE_INFINIBAND_VERBS_H)
78 [MLX5_FLOW_TYPE_DV] = &mlx5_flow_dv_drv_ops,
79 [MLX5_FLOW_TYPE_HW] = &mlx5_flow_hw_drv_ops,
81 [MLX5_FLOW_TYPE_VERBS] = &mlx5_flow_verbs_drv_ops,
82 [MLX5_FLOW_TYPE_MAX] = &mlx5_flow_null_drv_ops
85 /** Helper macro to build input graph for mlx5_flow_expand_rss(). */
86 #define MLX5_FLOW_EXPAND_RSS_NEXT(...) \
91 /** Node object of input graph for mlx5_flow_expand_rss(). */
92 struct mlx5_flow_expand_node {
93 const int *const next;
95 * List of next node indexes. Index 0 is interpreted as a terminator.
97 const enum rte_flow_item_type type;
98 /**< Pattern item type of current node. */
101 * RSS types bit-field associated with this node
102 * (see RTE_ETH_RSS_* definitions).
106 * Bit-fields that define how the node is used in the expansion.
107 * (see MLX5_EXPANSION_NODE_* definitions).
111 /* Optional expand field. The expansion alg will not go deeper. */
112 #define MLX5_EXPANSION_NODE_OPTIONAL (UINT64_C(1) << 0)
114 /* The node is not added implicitly as expansion to the flow pattern.
115 * If the node type does not match the flow pattern item type, the
116 * expansion alg will go deeper to its next items.
117 * In the current implementation, the list of next nodes indexes can
118 * have up to one node with this flag set and it has to be the last
119 * node index (before the list terminator).
121 #define MLX5_EXPANSION_NODE_EXPLICIT (UINT64_C(1) << 1)
123 /** Object returned by mlx5_flow_expand_rss(). */
124 struct mlx5_flow_expand_rss {
126 /**< Number of entries @p patterns and @p priorities. */
128 struct rte_flow_item *pattern; /**< Expanded pattern array. */
129 uint32_t priority; /**< Priority offset for each expansion. */
134 mlx5_dbg__print_pattern(const struct rte_flow_item *item);
136 static const struct mlx5_flow_expand_node *
137 mlx5_flow_expand_rss_adjust_node(const struct rte_flow_item *pattern,
138 unsigned int item_idx,
139 const struct mlx5_flow_expand_node graph[],
140 const struct mlx5_flow_expand_node *node);
143 mlx5_flow_is_rss_expandable_item(const struct rte_flow_item *item)
145 switch (item->type) {
146 case RTE_FLOW_ITEM_TYPE_ETH:
147 case RTE_FLOW_ITEM_TYPE_VLAN:
148 case RTE_FLOW_ITEM_TYPE_IPV4:
149 case RTE_FLOW_ITEM_TYPE_IPV6:
150 case RTE_FLOW_ITEM_TYPE_UDP:
151 case RTE_FLOW_ITEM_TYPE_TCP:
152 case RTE_FLOW_ITEM_TYPE_VXLAN:
153 case RTE_FLOW_ITEM_TYPE_NVGRE:
154 case RTE_FLOW_ITEM_TYPE_GRE:
155 case RTE_FLOW_ITEM_TYPE_GENEVE:
156 case RTE_FLOW_ITEM_TYPE_MPLS:
157 case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
158 case RTE_FLOW_ITEM_TYPE_GRE_KEY:
159 case RTE_FLOW_ITEM_TYPE_IPV6_FRAG_EXT:
160 case RTE_FLOW_ITEM_TYPE_GTP:
169 * Network Service Header (NSH) and its next protocol values
170 * are described in RFC-8393.
172 static enum rte_flow_item_type
173 mlx5_nsh_proto_to_item_type(uint8_t proto_spec, uint8_t proto_mask)
175 enum rte_flow_item_type type;
177 switch (proto_mask & proto_spec) {
179 type = RTE_FLOW_ITEM_TYPE_VOID;
181 case RTE_VXLAN_GPE_TYPE_IPV4:
182 type = RTE_FLOW_ITEM_TYPE_IPV4;
184 case RTE_VXLAN_GPE_TYPE_IPV6:
185 type = RTE_VXLAN_GPE_TYPE_IPV6;
187 case RTE_VXLAN_GPE_TYPE_ETH:
188 type = RTE_FLOW_ITEM_TYPE_ETH;
191 type = RTE_FLOW_ITEM_TYPE_END;
196 static enum rte_flow_item_type
197 mlx5_inet_proto_to_item_type(uint8_t proto_spec, uint8_t proto_mask)
199 enum rte_flow_item_type type;
201 switch (proto_mask & proto_spec) {
203 type = RTE_FLOW_ITEM_TYPE_VOID;
206 type = RTE_FLOW_ITEM_TYPE_UDP;
209 type = RTE_FLOW_ITEM_TYPE_TCP;
212 type = RTE_FLOW_ITEM_TYPE_IPV4;
215 type = RTE_FLOW_ITEM_TYPE_IPV6;
218 type = RTE_FLOW_ITEM_TYPE_END;
223 static enum rte_flow_item_type
224 mlx5_ethertype_to_item_type(rte_be16_t type_spec,
225 rte_be16_t type_mask, bool is_tunnel)
227 enum rte_flow_item_type type;
229 switch (rte_be_to_cpu_16(type_spec & type_mask)) {
231 type = RTE_FLOW_ITEM_TYPE_VOID;
233 case RTE_ETHER_TYPE_TEB:
235 RTE_FLOW_ITEM_TYPE_ETH : RTE_FLOW_ITEM_TYPE_END;
237 case RTE_ETHER_TYPE_VLAN:
239 RTE_FLOW_ITEM_TYPE_VLAN : RTE_FLOW_ITEM_TYPE_END;
241 case RTE_ETHER_TYPE_IPV4:
242 type = RTE_FLOW_ITEM_TYPE_IPV4;
244 case RTE_ETHER_TYPE_IPV6:
245 type = RTE_FLOW_ITEM_TYPE_IPV6;
248 type = RTE_FLOW_ITEM_TYPE_END;
253 static enum rte_flow_item_type
254 mlx5_flow_expand_rss_item_complete(const struct rte_flow_item *item)
256 #define MLX5_XSET_ITEM_MASK_SPEC(type, fld) \
258 const void *m = item->mask; \
259 const void *s = item->spec; \
261 ((const struct rte_flow_item_##type *)m)->fld : \
262 rte_flow_item_##type##_mask.fld; \
263 spec = ((const struct rte_flow_item_##type *)s)->fld; \
266 enum rte_flow_item_type ret;
269 if (item == NULL || item->spec == NULL)
270 return RTE_FLOW_ITEM_TYPE_VOID;
271 switch (item->type) {
272 case RTE_FLOW_ITEM_TYPE_ETH:
273 MLX5_XSET_ITEM_MASK_SPEC(eth, type);
275 return RTE_FLOW_ITEM_TYPE_VOID;
276 ret = mlx5_ethertype_to_item_type(spec, mask, false);
278 case RTE_FLOW_ITEM_TYPE_VLAN:
279 MLX5_XSET_ITEM_MASK_SPEC(vlan, inner_type);
281 return RTE_FLOW_ITEM_TYPE_VOID;
282 ret = mlx5_ethertype_to_item_type(spec, mask, false);
284 case RTE_FLOW_ITEM_TYPE_IPV4:
285 MLX5_XSET_ITEM_MASK_SPEC(ipv4, hdr.next_proto_id);
287 return RTE_FLOW_ITEM_TYPE_VOID;
288 ret = mlx5_inet_proto_to_item_type(spec, mask);
290 case RTE_FLOW_ITEM_TYPE_IPV6:
291 MLX5_XSET_ITEM_MASK_SPEC(ipv6, hdr.proto);
293 return RTE_FLOW_ITEM_TYPE_VOID;
294 ret = mlx5_inet_proto_to_item_type(spec, mask);
296 case RTE_FLOW_ITEM_TYPE_GENEVE:
297 MLX5_XSET_ITEM_MASK_SPEC(geneve, protocol);
298 ret = mlx5_ethertype_to_item_type(spec, mask, true);
300 case RTE_FLOW_ITEM_TYPE_GRE:
301 MLX5_XSET_ITEM_MASK_SPEC(gre, protocol);
302 ret = mlx5_ethertype_to_item_type(spec, mask, true);
304 case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
305 MLX5_XSET_ITEM_MASK_SPEC(vxlan_gpe, protocol);
306 ret = mlx5_nsh_proto_to_item_type(spec, mask);
309 ret = RTE_FLOW_ITEM_TYPE_VOID;
313 #undef MLX5_XSET_ITEM_MASK_SPEC
317 mlx5_flow_expand_rss_skip_explicit(const struct mlx5_flow_expand_node graph[],
318 const int *next_node)
320 const struct mlx5_flow_expand_node *node = NULL;
321 const int *next = next_node;
323 while (next && *next) {
325 * Skip the nodes with the MLX5_EXPANSION_NODE_EXPLICIT
326 * flag set, because they were not found in the flow pattern.
328 node = &graph[*next];
329 if (!(node->node_flags & MLX5_EXPANSION_NODE_EXPLICIT))
336 #define MLX5_RSS_EXP_ELT_N 16
339 * Expand RSS flows into several possible flows according to the RSS hash
340 * fields requested and the driver capabilities.
343 * Buffer to store the result expansion.
345 * Buffer size in bytes. If 0, @p buf can be NULL.
349 * RSS types to expand (see RTE_ETH_RSS_* definitions).
351 * Input graph to expand @p pattern according to @p types.
352 * @param[in] graph_root_index
353 * Index of root node in @p graph, typically 0.
356 * A positive value representing the size of @p buf in bytes regardless of
357 * @p size on success, a negative errno value otherwise and rte_errno is
358 * set, the following errors are defined:
360 * -E2BIG: graph-depth @p graph is too deep.
361 * -EINVAL: @p size has not enough space for expanded pattern.
364 mlx5_flow_expand_rss(struct mlx5_flow_expand_rss *buf, size_t size,
365 const struct rte_flow_item *pattern, uint64_t types,
366 const struct mlx5_flow_expand_node graph[],
367 int graph_root_index)
369 const struct rte_flow_item *item;
370 const struct mlx5_flow_expand_node *node = &graph[graph_root_index];
371 const int *next_node;
372 const int *stack[MLX5_RSS_EXP_ELT_N];
374 struct rte_flow_item flow_items[MLX5_RSS_EXP_ELT_N];
375 unsigned int i, item_idx, last_expand_item_idx = 0;
377 size_t user_pattern_size = 0;
379 const struct mlx5_flow_expand_node *next = NULL;
380 struct rte_flow_item missed_item;
383 const struct rte_flow_item *last_expand_item = NULL;
385 memset(&missed_item, 0, sizeof(missed_item));
386 lsize = offsetof(struct mlx5_flow_expand_rss, entry) +
387 MLX5_RSS_EXP_ELT_N * sizeof(buf->entry[0]);
390 buf->entry[0].priority = 0;
391 buf->entry[0].pattern = (void *)&buf->entry[MLX5_RSS_EXP_ELT_N];
393 addr = buf->entry[0].pattern;
394 for (item = pattern, item_idx = 0;
395 item->type != RTE_FLOW_ITEM_TYPE_END;
396 item++, item_idx++) {
397 if (!mlx5_flow_is_rss_expandable_item(item)) {
398 user_pattern_size += sizeof(*item);
401 last_expand_item = item;
402 last_expand_item_idx = item_idx;
404 while (node->next && node->next[i]) {
405 next = &graph[node->next[i]];
406 if (next->type == item->type)
408 if (next->node_flags & MLX5_EXPANSION_NODE_EXPLICIT) {
417 user_pattern_size += sizeof(*item);
419 user_pattern_size += sizeof(*item); /* Handle END item. */
420 lsize += user_pattern_size;
423 /* Copy the user pattern in the first entry of the buffer. */
424 rte_memcpy(addr, pattern, user_pattern_size);
425 addr = (void *)(((uintptr_t)addr) + user_pattern_size);
427 /* Start expanding. */
428 memset(flow_items, 0, sizeof(flow_items));
429 user_pattern_size -= sizeof(*item);
431 * Check if the last valid item has spec set, need complete pattern,
432 * and the pattern can be used for expansion.
434 missed_item.type = mlx5_flow_expand_rss_item_complete(last_expand_item);
435 if (missed_item.type == RTE_FLOW_ITEM_TYPE_END) {
436 /* Item type END indicates expansion is not required. */
439 if (missed_item.type != RTE_FLOW_ITEM_TYPE_VOID) {
443 while (node->next && node->next[i]) {
444 next = &graph[node->next[i]];
445 if (next->type == missed_item.type) {
446 flow_items[0].type = missed_item.type;
447 flow_items[1].type = RTE_FLOW_ITEM_TYPE_END;
450 if (next->node_flags & MLX5_EXPANSION_NODE_EXPLICIT) {
459 if (next && missed) {
460 elt = 2; /* missed item + item end. */
462 lsize += elt * sizeof(*item) + user_pattern_size;
465 if (node->rss_types & types) {
466 buf->entry[buf->entries].priority = 1;
467 buf->entry[buf->entries].pattern = addr;
469 rte_memcpy(addr, buf->entry[0].pattern,
471 addr = (void *)(((uintptr_t)addr) + user_pattern_size);
472 rte_memcpy(addr, flow_items, elt * sizeof(*item));
473 addr = (void *)(((uintptr_t)addr) +
474 elt * sizeof(*item));
476 } else if (last_expand_item != NULL) {
477 node = mlx5_flow_expand_rss_adjust_node(pattern,
478 last_expand_item_idx, graph, node);
480 memset(flow_items, 0, sizeof(flow_items));
481 next_node = mlx5_flow_expand_rss_skip_explicit(graph,
483 stack[stack_pos] = next_node;
484 node = next_node ? &graph[*next_node] : NULL;
486 flow_items[stack_pos].type = node->type;
487 if (node->rss_types & types) {
490 * compute the number of items to copy from the
491 * expansion and copy it.
492 * When the stack_pos is 0, there are 1 element in it,
493 * plus the addition END item.
496 flow_items[stack_pos + 1].type = RTE_FLOW_ITEM_TYPE_END;
497 lsize += elt * sizeof(*item) + user_pattern_size;
500 n = elt * sizeof(*item);
501 buf->entry[buf->entries].priority =
502 stack_pos + 1 + missed;
503 buf->entry[buf->entries].pattern = addr;
505 rte_memcpy(addr, buf->entry[0].pattern,
507 addr = (void *)(((uintptr_t)addr) +
509 rte_memcpy(addr, &missed_item,
510 missed * sizeof(*item));
511 addr = (void *)(((uintptr_t)addr) +
512 missed * sizeof(*item));
513 rte_memcpy(addr, flow_items, n);
514 addr = (void *)(((uintptr_t)addr) + n);
517 if (!(node->node_flags & MLX5_EXPANSION_NODE_OPTIONAL) &&
519 next_node = mlx5_flow_expand_rss_skip_explicit(graph,
521 if (stack_pos++ == MLX5_RSS_EXP_ELT_N) {
525 stack[stack_pos] = next_node;
526 } else if (*(next_node + 1)) {
527 /* Follow up with the next possibility. */
528 next_node = mlx5_flow_expand_rss_skip_explicit(graph,
530 } else if (!stack_pos) {
532 * Completing the traverse over the different paths.
533 * The next_node is advanced to the terminator.
537 /* Move to the next path. */
539 next_node = stack[--stack_pos];
544 next_node = mlx5_flow_expand_rss_skip_explicit(graph,
546 stack[stack_pos] = next_node;
548 node = next_node && *next_node ? &graph[*next_node] : NULL;
553 enum mlx5_expansion {
555 MLX5_EXPANSION_ROOT_OUTER,
556 MLX5_EXPANSION_OUTER_ETH,
557 MLX5_EXPANSION_OUTER_VLAN,
558 MLX5_EXPANSION_OUTER_IPV4,
559 MLX5_EXPANSION_OUTER_IPV4_UDP,
560 MLX5_EXPANSION_OUTER_IPV4_TCP,
561 MLX5_EXPANSION_OUTER_IPV6,
562 MLX5_EXPANSION_OUTER_IPV6_UDP,
563 MLX5_EXPANSION_OUTER_IPV6_TCP,
564 MLX5_EXPANSION_VXLAN,
565 MLX5_EXPANSION_STD_VXLAN,
566 MLX5_EXPANSION_L3_VXLAN,
567 MLX5_EXPANSION_VXLAN_GPE,
569 MLX5_EXPANSION_NVGRE,
570 MLX5_EXPANSION_GRE_KEY,
575 MLX5_EXPANSION_IPV4_UDP,
576 MLX5_EXPANSION_IPV4_TCP,
578 MLX5_EXPANSION_IPV6_UDP,
579 MLX5_EXPANSION_IPV6_TCP,
580 MLX5_EXPANSION_IPV6_FRAG_EXT,
582 MLX5_EXPANSION_GENEVE,
585 /** Supported expansion of items. */
586 static const struct mlx5_flow_expand_node mlx5_support_expansion[] = {
587 [MLX5_EXPANSION_ROOT] = {
588 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH,
590 MLX5_EXPANSION_IPV6),
591 .type = RTE_FLOW_ITEM_TYPE_END,
593 [MLX5_EXPANSION_ROOT_OUTER] = {
594 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_ETH,
595 MLX5_EXPANSION_OUTER_IPV4,
596 MLX5_EXPANSION_OUTER_IPV6),
597 .type = RTE_FLOW_ITEM_TYPE_END,
599 [MLX5_EXPANSION_OUTER_ETH] = {
600 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_VLAN),
601 .type = RTE_FLOW_ITEM_TYPE_ETH,
604 [MLX5_EXPANSION_OUTER_VLAN] = {
605 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_IPV4,
606 MLX5_EXPANSION_OUTER_IPV6),
607 .type = RTE_FLOW_ITEM_TYPE_VLAN,
608 .node_flags = MLX5_EXPANSION_NODE_EXPLICIT,
610 [MLX5_EXPANSION_OUTER_IPV4] = {
611 .next = MLX5_FLOW_EXPAND_RSS_NEXT
612 (MLX5_EXPANSION_OUTER_IPV4_UDP,
613 MLX5_EXPANSION_OUTER_IPV4_TCP,
615 MLX5_EXPANSION_NVGRE,
617 MLX5_EXPANSION_IPV6),
618 .type = RTE_FLOW_ITEM_TYPE_IPV4,
619 .rss_types = RTE_ETH_RSS_IPV4 | RTE_ETH_RSS_FRAG_IPV4 |
620 RTE_ETH_RSS_NONFRAG_IPV4_OTHER,
622 [MLX5_EXPANSION_OUTER_IPV4_UDP] = {
623 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_VXLAN,
624 MLX5_EXPANSION_VXLAN_GPE,
626 MLX5_EXPANSION_GENEVE,
628 .type = RTE_FLOW_ITEM_TYPE_UDP,
629 .rss_types = RTE_ETH_RSS_NONFRAG_IPV4_UDP,
631 [MLX5_EXPANSION_OUTER_IPV4_TCP] = {
632 .type = RTE_FLOW_ITEM_TYPE_TCP,
633 .rss_types = RTE_ETH_RSS_NONFRAG_IPV4_TCP,
635 [MLX5_EXPANSION_OUTER_IPV6] = {
636 .next = MLX5_FLOW_EXPAND_RSS_NEXT
637 (MLX5_EXPANSION_OUTER_IPV6_UDP,
638 MLX5_EXPANSION_OUTER_IPV6_TCP,
642 MLX5_EXPANSION_NVGRE),
643 .type = RTE_FLOW_ITEM_TYPE_IPV6,
644 .rss_types = RTE_ETH_RSS_IPV6 | RTE_ETH_RSS_FRAG_IPV6 |
645 RTE_ETH_RSS_NONFRAG_IPV6_OTHER,
647 [MLX5_EXPANSION_OUTER_IPV6_UDP] = {
648 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_VXLAN,
649 MLX5_EXPANSION_VXLAN_GPE,
651 MLX5_EXPANSION_GENEVE,
653 .type = RTE_FLOW_ITEM_TYPE_UDP,
654 .rss_types = RTE_ETH_RSS_NONFRAG_IPV6_UDP,
656 [MLX5_EXPANSION_OUTER_IPV6_TCP] = {
657 .type = RTE_FLOW_ITEM_TYPE_TCP,
658 .rss_types = RTE_ETH_RSS_NONFRAG_IPV6_TCP,
660 [MLX5_EXPANSION_VXLAN] = {
661 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH,
663 MLX5_EXPANSION_IPV6),
664 .type = RTE_FLOW_ITEM_TYPE_VXLAN,
666 [MLX5_EXPANSION_STD_VXLAN] = {
667 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH),
668 .type = RTE_FLOW_ITEM_TYPE_VXLAN,
670 [MLX5_EXPANSION_L3_VXLAN] = {
671 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4,
672 MLX5_EXPANSION_IPV6),
673 .type = RTE_FLOW_ITEM_TYPE_VXLAN,
675 [MLX5_EXPANSION_VXLAN_GPE] = {
676 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH,
678 MLX5_EXPANSION_IPV6),
679 .type = RTE_FLOW_ITEM_TYPE_VXLAN_GPE,
681 [MLX5_EXPANSION_GRE] = {
682 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH,
685 MLX5_EXPANSION_GRE_KEY,
686 MLX5_EXPANSION_MPLS),
687 .type = RTE_FLOW_ITEM_TYPE_GRE,
689 [MLX5_EXPANSION_GRE_KEY] = {
690 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4,
692 MLX5_EXPANSION_MPLS),
693 .type = RTE_FLOW_ITEM_TYPE_GRE_KEY,
694 .node_flags = MLX5_EXPANSION_NODE_OPTIONAL,
696 [MLX5_EXPANSION_NVGRE] = {
697 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH),
698 .type = RTE_FLOW_ITEM_TYPE_NVGRE,
700 [MLX5_EXPANSION_MPLS] = {
701 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4,
704 .type = RTE_FLOW_ITEM_TYPE_MPLS,
705 .node_flags = MLX5_EXPANSION_NODE_OPTIONAL,
707 [MLX5_EXPANSION_ETH] = {
708 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_VLAN),
709 .type = RTE_FLOW_ITEM_TYPE_ETH,
711 [MLX5_EXPANSION_VLAN] = {
712 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4,
713 MLX5_EXPANSION_IPV6),
714 .type = RTE_FLOW_ITEM_TYPE_VLAN,
715 .node_flags = MLX5_EXPANSION_NODE_EXPLICIT,
717 [MLX5_EXPANSION_IPV4] = {
718 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4_UDP,
719 MLX5_EXPANSION_IPV4_TCP),
720 .type = RTE_FLOW_ITEM_TYPE_IPV4,
721 .rss_types = RTE_ETH_RSS_IPV4 | RTE_ETH_RSS_FRAG_IPV4 |
722 RTE_ETH_RSS_NONFRAG_IPV4_OTHER,
724 [MLX5_EXPANSION_IPV4_UDP] = {
725 .type = RTE_FLOW_ITEM_TYPE_UDP,
726 .rss_types = RTE_ETH_RSS_NONFRAG_IPV4_UDP,
728 [MLX5_EXPANSION_IPV4_TCP] = {
729 .type = RTE_FLOW_ITEM_TYPE_TCP,
730 .rss_types = RTE_ETH_RSS_NONFRAG_IPV4_TCP,
732 [MLX5_EXPANSION_IPV6] = {
733 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV6_UDP,
734 MLX5_EXPANSION_IPV6_TCP,
735 MLX5_EXPANSION_IPV6_FRAG_EXT),
736 .type = RTE_FLOW_ITEM_TYPE_IPV6,
737 .rss_types = RTE_ETH_RSS_IPV6 | RTE_ETH_RSS_FRAG_IPV6 |
738 RTE_ETH_RSS_NONFRAG_IPV6_OTHER,
740 [MLX5_EXPANSION_IPV6_UDP] = {
741 .type = RTE_FLOW_ITEM_TYPE_UDP,
742 .rss_types = RTE_ETH_RSS_NONFRAG_IPV6_UDP,
744 [MLX5_EXPANSION_IPV6_TCP] = {
745 .type = RTE_FLOW_ITEM_TYPE_TCP,
746 .rss_types = RTE_ETH_RSS_NONFRAG_IPV6_TCP,
748 [MLX5_EXPANSION_IPV6_FRAG_EXT] = {
749 .type = RTE_FLOW_ITEM_TYPE_IPV6_FRAG_EXT,
751 [MLX5_EXPANSION_GTP] = {
752 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4,
753 MLX5_EXPANSION_IPV6),
754 .type = RTE_FLOW_ITEM_TYPE_GTP,
756 [MLX5_EXPANSION_GENEVE] = {
757 .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH,
759 MLX5_EXPANSION_IPV6),
760 .type = RTE_FLOW_ITEM_TYPE_GENEVE,
764 static struct rte_flow_action_handle *
765 mlx5_action_handle_create(struct rte_eth_dev *dev,
766 const struct rte_flow_indir_action_conf *conf,
767 const struct rte_flow_action *action,
768 struct rte_flow_error *error);
769 static int mlx5_action_handle_destroy
770 (struct rte_eth_dev *dev,
771 struct rte_flow_action_handle *handle,
772 struct rte_flow_error *error);
773 static int mlx5_action_handle_update
774 (struct rte_eth_dev *dev,
775 struct rte_flow_action_handle *handle,
777 struct rte_flow_error *error);
778 static int mlx5_action_handle_query
779 (struct rte_eth_dev *dev,
780 const struct rte_flow_action_handle *handle,
782 struct rte_flow_error *error);
784 mlx5_flow_tunnel_decap_set(struct rte_eth_dev *dev,
785 struct rte_flow_tunnel *app_tunnel,
786 struct rte_flow_action **actions,
787 uint32_t *num_of_actions,
788 struct rte_flow_error *error);
790 mlx5_flow_tunnel_match(struct rte_eth_dev *dev,
791 struct rte_flow_tunnel *app_tunnel,
792 struct rte_flow_item **items,
793 uint32_t *num_of_items,
794 struct rte_flow_error *error);
796 mlx5_flow_tunnel_item_release(struct rte_eth_dev *dev,
797 struct rte_flow_item *pmd_items,
798 uint32_t num_items, struct rte_flow_error *err);
800 mlx5_flow_tunnel_action_release(struct rte_eth_dev *dev,
801 struct rte_flow_action *pmd_actions,
802 uint32_t num_actions,
803 struct rte_flow_error *err);
805 mlx5_flow_tunnel_get_restore_info(struct rte_eth_dev *dev,
807 struct rte_flow_restore_info *info,
808 struct rte_flow_error *err);
809 static struct rte_flow_item_flex_handle *
810 mlx5_flow_flex_item_create(struct rte_eth_dev *dev,
811 const struct rte_flow_item_flex_conf *conf,
812 struct rte_flow_error *error);
814 mlx5_flow_flex_item_release(struct rte_eth_dev *dev,
815 const struct rte_flow_item_flex_handle *handle,
816 struct rte_flow_error *error);
818 mlx5_flow_info_get(struct rte_eth_dev *dev,
819 struct rte_flow_port_info *port_info,
820 struct rte_flow_queue_info *queue_info,
821 struct rte_flow_error *error);
823 mlx5_flow_port_configure(struct rte_eth_dev *dev,
824 const struct rte_flow_port_attr *port_attr,
826 const struct rte_flow_queue_attr *queue_attr[],
827 struct rte_flow_error *err);
829 static struct rte_flow_pattern_template *
830 mlx5_flow_pattern_template_create(struct rte_eth_dev *dev,
831 const struct rte_flow_pattern_template_attr *attr,
832 const struct rte_flow_item items[],
833 struct rte_flow_error *error);
836 mlx5_flow_pattern_template_destroy(struct rte_eth_dev *dev,
837 struct rte_flow_pattern_template *template,
838 struct rte_flow_error *error);
839 static struct rte_flow_actions_template *
840 mlx5_flow_actions_template_create(struct rte_eth_dev *dev,
841 const struct rte_flow_actions_template_attr *attr,
842 const struct rte_flow_action actions[],
843 const struct rte_flow_action masks[],
844 struct rte_flow_error *error);
846 mlx5_flow_actions_template_destroy(struct rte_eth_dev *dev,
847 struct rte_flow_actions_template *template,
848 struct rte_flow_error *error);
850 static struct rte_flow_template_table *
851 mlx5_flow_table_create(struct rte_eth_dev *dev,
852 const struct rte_flow_template_table_attr *attr,
853 struct rte_flow_pattern_template *item_templates[],
854 uint8_t nb_item_templates,
855 struct rte_flow_actions_template *action_templates[],
856 uint8_t nb_action_templates,
857 struct rte_flow_error *error);
859 mlx5_flow_table_destroy(struct rte_eth_dev *dev,
860 struct rte_flow_template_table *table,
861 struct rte_flow_error *error);
862 static struct rte_flow *
863 mlx5_flow_async_flow_create(struct rte_eth_dev *dev,
865 const struct rte_flow_op_attr *attr,
866 struct rte_flow_template_table *table,
867 const struct rte_flow_item items[],
868 uint8_t pattern_template_index,
869 const struct rte_flow_action actions[],
870 uint8_t action_template_index,
872 struct rte_flow_error *error);
874 mlx5_flow_async_flow_destroy(struct rte_eth_dev *dev,
876 const struct rte_flow_op_attr *attr,
877 struct rte_flow *flow,
879 struct rte_flow_error *error);
881 mlx5_flow_pull(struct rte_eth_dev *dev,
883 struct rte_flow_op_result res[],
885 struct rte_flow_error *error);
887 mlx5_flow_push(struct rte_eth_dev *dev,
889 struct rte_flow_error *error);
891 static struct rte_flow_action_handle *
892 mlx5_flow_async_action_handle_create(struct rte_eth_dev *dev, uint32_t queue,
893 const struct rte_flow_op_attr *attr,
894 const struct rte_flow_indir_action_conf *conf,
895 const struct rte_flow_action *action,
897 struct rte_flow_error *error);
900 mlx5_flow_async_action_handle_update(struct rte_eth_dev *dev, uint32_t queue,
901 const struct rte_flow_op_attr *attr,
902 struct rte_flow_action_handle *handle,
905 struct rte_flow_error *error);
908 mlx5_flow_async_action_handle_destroy(struct rte_eth_dev *dev, uint32_t queue,
909 const struct rte_flow_op_attr *attr,
910 struct rte_flow_action_handle *handle,
912 struct rte_flow_error *error);
914 static const struct rte_flow_ops mlx5_flow_ops = {
915 .validate = mlx5_flow_validate,
916 .create = mlx5_flow_create,
917 .destroy = mlx5_flow_destroy,
918 .flush = mlx5_flow_flush,
919 .isolate = mlx5_flow_isolate,
920 .query = mlx5_flow_query,
921 .dev_dump = mlx5_flow_dev_dump,
922 .get_aged_flows = mlx5_flow_get_aged_flows,
923 .action_handle_create = mlx5_action_handle_create,
924 .action_handle_destroy = mlx5_action_handle_destroy,
925 .action_handle_update = mlx5_action_handle_update,
926 .action_handle_query = mlx5_action_handle_query,
927 .tunnel_decap_set = mlx5_flow_tunnel_decap_set,
928 .tunnel_match = mlx5_flow_tunnel_match,
929 .tunnel_action_decap_release = mlx5_flow_tunnel_action_release,
930 .tunnel_item_release = mlx5_flow_tunnel_item_release,
931 .get_restore_info = mlx5_flow_tunnel_get_restore_info,
932 .flex_item_create = mlx5_flow_flex_item_create,
933 .flex_item_release = mlx5_flow_flex_item_release,
934 .info_get = mlx5_flow_info_get,
935 .configure = mlx5_flow_port_configure,
936 .pattern_template_create = mlx5_flow_pattern_template_create,
937 .pattern_template_destroy = mlx5_flow_pattern_template_destroy,
938 .actions_template_create = mlx5_flow_actions_template_create,
939 .actions_template_destroy = mlx5_flow_actions_template_destroy,
940 .template_table_create = mlx5_flow_table_create,
941 .template_table_destroy = mlx5_flow_table_destroy,
942 .async_create = mlx5_flow_async_flow_create,
943 .async_destroy = mlx5_flow_async_flow_destroy,
944 .pull = mlx5_flow_pull,
945 .push = mlx5_flow_push,
946 .async_action_handle_create = mlx5_flow_async_action_handle_create,
947 .async_action_handle_update = mlx5_flow_async_action_handle_update,
948 .async_action_handle_destroy = mlx5_flow_async_action_handle_destroy,
951 /* Tunnel information. */
952 struct mlx5_flow_tunnel_info {
953 uint64_t tunnel; /**< Tunnel bit (see MLX5_FLOW_*). */
954 uint32_t ptype; /**< Tunnel Ptype (see RTE_PTYPE_*). */
957 static struct mlx5_flow_tunnel_info tunnels_info[] = {
959 .tunnel = MLX5_FLOW_LAYER_VXLAN,
960 .ptype = RTE_PTYPE_TUNNEL_VXLAN | RTE_PTYPE_L4_UDP,
963 .tunnel = MLX5_FLOW_LAYER_GENEVE,
964 .ptype = RTE_PTYPE_TUNNEL_GENEVE | RTE_PTYPE_L4_UDP,
967 .tunnel = MLX5_FLOW_LAYER_VXLAN_GPE,
968 .ptype = RTE_PTYPE_TUNNEL_VXLAN_GPE | RTE_PTYPE_L4_UDP,
971 .tunnel = MLX5_FLOW_LAYER_GRE,
972 .ptype = RTE_PTYPE_TUNNEL_GRE,
975 .tunnel = MLX5_FLOW_LAYER_MPLS | MLX5_FLOW_LAYER_OUTER_L4_UDP,
976 .ptype = RTE_PTYPE_TUNNEL_MPLS_IN_UDP | RTE_PTYPE_L4_UDP,
979 .tunnel = MLX5_FLOW_LAYER_MPLS,
980 .ptype = RTE_PTYPE_TUNNEL_MPLS_IN_GRE,
983 .tunnel = MLX5_FLOW_LAYER_NVGRE,
984 .ptype = RTE_PTYPE_TUNNEL_NVGRE,
987 .tunnel = MLX5_FLOW_LAYER_IPIP,
988 .ptype = RTE_PTYPE_TUNNEL_IP,
991 .tunnel = MLX5_FLOW_LAYER_IPV6_ENCAP,
992 .ptype = RTE_PTYPE_TUNNEL_IP,
995 .tunnel = MLX5_FLOW_LAYER_GTP,
996 .ptype = RTE_PTYPE_TUNNEL_GTPU,
1003 * Translate tag ID to register.
1006 * Pointer to the Ethernet device structure.
1007 * @param[in] feature
1008 * The feature that request the register.
1010 * The request register ID.
1012 * Error description in case of any.
1015 * The request register on success, a negative errno
1016 * value otherwise and rte_errno is set.
1019 mlx5_flow_get_reg_id(struct rte_eth_dev *dev,
1020 enum mlx5_feature_name feature,
1022 struct rte_flow_error *error)
1024 struct mlx5_priv *priv = dev->data->dev_private;
1025 struct mlx5_sh_config *config = &priv->sh->config;
1026 enum modify_reg start_reg;
1027 bool skip_mtr_reg = false;
1030 case MLX5_HAIRPIN_RX:
1032 case MLX5_HAIRPIN_TX:
1034 case MLX5_METADATA_RX:
1035 switch (config->dv_xmeta_en) {
1036 case MLX5_XMETA_MODE_LEGACY:
1038 case MLX5_XMETA_MODE_META16:
1040 case MLX5_XMETA_MODE_META32:
1044 case MLX5_METADATA_TX:
1046 case MLX5_METADATA_FDB:
1047 switch (config->dv_xmeta_en) {
1048 case MLX5_XMETA_MODE_LEGACY:
1050 case MLX5_XMETA_MODE_META16:
1052 case MLX5_XMETA_MODE_META32:
1056 case MLX5_FLOW_MARK:
1057 switch (config->dv_xmeta_en) {
1058 case MLX5_XMETA_MODE_LEGACY:
1060 case MLX5_XMETA_MODE_META16:
1062 case MLX5_XMETA_MODE_META32:
1068 * If meter color and meter id share one register, flow match
1069 * should use the meter color register for match.
1071 if (priv->mtr_reg_share)
1072 return priv->mtr_color_reg;
1074 return priv->mtr_color_reg != REG_C_2 ? REG_C_2 :
1076 case MLX5_MTR_COLOR:
1077 case MLX5_ASO_FLOW_HIT:
1078 case MLX5_ASO_CONNTRACK:
1079 case MLX5_SAMPLE_ID:
1080 /* All features use the same REG_C. */
1081 MLX5_ASSERT(priv->mtr_color_reg != REG_NON);
1082 return priv->mtr_color_reg;
1083 case MLX5_COPY_MARK:
1085 * Metadata COPY_MARK register using is in meter suffix sub
1086 * flow while with meter. It's safe to share the same register.
1088 return priv->mtr_color_reg != REG_C_2 ? REG_C_2 : REG_C_3;
1091 * If meter is enable, it will engage the register for color
1092 * match and flow match. If meter color match is not using the
1093 * REG_C_2, need to skip the REG_C_x be used by meter color
1095 * If meter is disable, free to use all available registers.
1097 start_reg = priv->mtr_color_reg != REG_C_2 ? REG_C_2 :
1098 (priv->mtr_reg_share ? REG_C_3 : REG_C_4);
1099 skip_mtr_reg = !!(priv->mtr_en && start_reg == REG_C_2);
1100 if (id > (uint32_t)(REG_C_7 - start_reg))
1101 return rte_flow_error_set(error, EINVAL,
1102 RTE_FLOW_ERROR_TYPE_ITEM,
1103 NULL, "invalid tag id");
1104 if (priv->sh->flow_mreg_c[id + start_reg - REG_C_0] == REG_NON)
1105 return rte_flow_error_set(error, ENOTSUP,
1106 RTE_FLOW_ERROR_TYPE_ITEM,
1107 NULL, "unsupported tag id");
1109 * This case means meter is using the REG_C_x great than 2.
1110 * Take care not to conflict with meter color REG_C_x.
1111 * If the available index REG_C_y >= REG_C_x, skip the
1114 if (skip_mtr_reg && priv->sh->flow_mreg_c
1115 [id + start_reg - REG_C_0] >= priv->mtr_color_reg) {
1116 if (id >= (uint32_t)(REG_C_7 - start_reg))
1117 return rte_flow_error_set(error, EINVAL,
1118 RTE_FLOW_ERROR_TYPE_ITEM,
1119 NULL, "invalid tag id");
1120 if (priv->sh->flow_mreg_c
1121 [id + 1 + start_reg - REG_C_0] != REG_NON)
1122 return priv->sh->flow_mreg_c
1123 [id + 1 + start_reg - REG_C_0];
1124 return rte_flow_error_set(error, ENOTSUP,
1125 RTE_FLOW_ERROR_TYPE_ITEM,
1126 NULL, "unsupported tag id");
1128 return priv->sh->flow_mreg_c[id + start_reg - REG_C_0];
1131 return rte_flow_error_set(error, EINVAL,
1132 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1133 NULL, "invalid feature name");
1137 * Check extensive flow metadata register support.
1140 * Pointer to rte_eth_dev structure.
1143 * True if device supports extensive flow metadata register, otherwise false.
1146 mlx5_flow_ext_mreg_supported(struct rte_eth_dev *dev)
1148 struct mlx5_priv *priv = dev->data->dev_private;
1151 * Having available reg_c can be regarded inclusively as supporting
1152 * extensive flow metadata register, which could mean,
1153 * - metadata register copy action by modify header.
1154 * - 16 modify header actions is supported.
1155 * - reg_c's are preserved across different domain (FDB and NIC) on
1156 * packet loopback by flow lookup miss.
1158 return priv->sh->flow_mreg_c[2] != REG_NON;
1162 * Get the lowest priority.
1165 * Pointer to the Ethernet device structure.
1166 * @param[in] attributes
1167 * Pointer to device flow rule attributes.
1170 * The value of lowest priority of flow.
1173 mlx5_get_lowest_priority(struct rte_eth_dev *dev,
1174 const struct rte_flow_attr *attr)
1176 struct mlx5_priv *priv = dev->data->dev_private;
1178 if (!attr->group && !attr->transfer)
1179 return priv->sh->flow_max_priority - 2;
1180 return MLX5_NON_ROOT_FLOW_MAX_PRIO - 1;
1184 * Calculate matcher priority of the flow.
1187 * Pointer to the Ethernet device structure.
1189 * Pointer to device flow rule attributes.
1190 * @param[in] subpriority
1191 * The priority based on the items.
1192 * @param[in] external
1193 * Flow is user flow.
1195 * The matcher priority of the flow.
1198 mlx5_get_matcher_priority(struct rte_eth_dev *dev,
1199 const struct rte_flow_attr *attr,
1200 uint32_t subpriority, bool external)
1202 uint16_t priority = (uint16_t)attr->priority;
1203 struct mlx5_priv *priv = dev->data->dev_private;
1205 if (!attr->group && !attr->transfer) {
1206 if (attr->priority == MLX5_FLOW_LOWEST_PRIO_INDICATOR)
1207 priority = priv->sh->flow_max_priority - 1;
1208 return mlx5_os_flow_adjust_priority(dev, priority, subpriority);
1209 } else if (!external && attr->transfer && attr->group == 0 &&
1210 attr->priority == MLX5_FLOW_LOWEST_PRIO_INDICATOR) {
1211 return (priv->sh->flow_max_priority - 1) * 3;
1213 if (attr->priority == MLX5_FLOW_LOWEST_PRIO_INDICATOR)
1214 priority = MLX5_NON_ROOT_FLOW_MAX_PRIO;
1215 return priority * 3 + subpriority;
1219 * Verify the @p item specifications (spec, last, mask) are compatible with the
1223 * Item specification.
1225 * @p item->mask or flow default bit-masks.
1226 * @param[in] nic_mask
1227 * Bit-masks covering supported fields by the NIC to compare with user mask.
1229 * Bit-masks size in bytes.
1230 * @param[in] range_accepted
1231 * True if range of values is accepted for specific fields, false otherwise.
1233 * Pointer to error structure.
1236 * 0 on success, a negative errno value otherwise and rte_errno is set.
1239 mlx5_flow_item_acceptable(const struct rte_flow_item *item,
1240 const uint8_t *mask,
1241 const uint8_t *nic_mask,
1243 bool range_accepted,
1244 struct rte_flow_error *error)
1248 MLX5_ASSERT(nic_mask);
1249 for (i = 0; i < size; ++i)
1250 if ((nic_mask[i] | mask[i]) != nic_mask[i])
1251 return rte_flow_error_set(error, ENOTSUP,
1252 RTE_FLOW_ERROR_TYPE_ITEM,
1254 "mask enables non supported"
1256 if (!item->spec && (item->mask || item->last))
1257 return rte_flow_error_set(error, EINVAL,
1258 RTE_FLOW_ERROR_TYPE_ITEM, item,
1259 "mask/last without a spec is not"
1261 if (item->spec && item->last && !range_accepted) {
1267 for (i = 0; i < size; ++i) {
1268 spec[i] = ((const uint8_t *)item->spec)[i] & mask[i];
1269 last[i] = ((const uint8_t *)item->last)[i] & mask[i];
1271 ret = memcmp(spec, last, size);
1273 return rte_flow_error_set(error, EINVAL,
1274 RTE_FLOW_ERROR_TYPE_ITEM,
1276 "range is not valid");
1282 * Adjust the hash fields according to the @p flow information.
1284 * @param[in] dev_flow.
1285 * Pointer to the mlx5_flow.
1287 * 1 when the hash field is for a tunnel item.
1288 * @param[in] layer_types
1289 * RTE_ETH_RSS_* types.
1290 * @param[in] hash_fields
1294 * The hash fields that should be used.
1297 mlx5_flow_hashfields_adjust(struct mlx5_flow_rss_desc *rss_desc,
1298 int tunnel __rte_unused, uint64_t layer_types,
1299 uint64_t hash_fields)
1301 #ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
1302 int rss_request_inner = rss_desc->level >= 2;
1304 /* Check RSS hash level for tunnel. */
1305 if (tunnel && rss_request_inner)
1306 hash_fields |= IBV_RX_HASH_INNER;
1307 else if (tunnel || rss_request_inner)
1310 /* Check if requested layer matches RSS hash fields. */
1311 if (!(rss_desc->types & layer_types))
1317 * Lookup and set the ptype in the data Rx part. A single Ptype can be used,
1318 * if several tunnel rules are used on this queue, the tunnel ptype will be
1322 * Rx queue to update.
1325 flow_rxq_tunnel_ptype_update(struct mlx5_rxq_ctrl *rxq_ctrl)
1328 uint32_t tunnel_ptype = 0;
1330 /* Look up for the ptype to use. */
1331 for (i = 0; i != MLX5_FLOW_TUNNEL; ++i) {
1332 if (!rxq_ctrl->flow_tunnels_n[i])
1334 if (!tunnel_ptype) {
1335 tunnel_ptype = tunnels_info[i].ptype;
1341 rxq_ctrl->rxq.tunnel = tunnel_ptype;
1345 * Set the Rx queue flags (Mark/Flag and Tunnel Ptypes) according to the device
1349 * Pointer to the Ethernet device structure.
1350 * @param[in] dev_handle
1351 * Pointer to device flow handle structure.
1354 flow_drv_rxq_flags_set(struct rte_eth_dev *dev,
1355 struct mlx5_flow_handle *dev_handle)
1357 struct mlx5_priv *priv = dev->data->dev_private;
1358 const int tunnel = !!(dev_handle->layers & MLX5_FLOW_LAYER_TUNNEL);
1359 struct mlx5_ind_table_obj *ind_tbl = NULL;
1362 if (dev_handle->fate_action == MLX5_FLOW_FATE_QUEUE) {
1363 struct mlx5_hrxq *hrxq;
1365 hrxq = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_HRXQ],
1366 dev_handle->rix_hrxq);
1368 ind_tbl = hrxq->ind_table;
1369 } else if (dev_handle->fate_action == MLX5_FLOW_FATE_SHARED_RSS) {
1370 struct mlx5_shared_action_rss *shared_rss;
1372 shared_rss = mlx5_ipool_get
1373 (priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS],
1374 dev_handle->rix_srss);
1376 ind_tbl = shared_rss->ind_tbl;
1380 for (i = 0; i != ind_tbl->queues_n; ++i) {
1381 int idx = ind_tbl->queues[i];
1382 struct mlx5_rxq_ctrl *rxq_ctrl = mlx5_rxq_ctrl_get(dev, idx);
1384 MLX5_ASSERT(rxq_ctrl != NULL);
1385 if (rxq_ctrl == NULL)
1388 * To support metadata register copy on Tx loopback,
1389 * this must be always enabled (metadata may arive
1390 * from other port - not from local flows only.
1395 /* Increase the counter matching the flow. */
1396 for (j = 0; j != MLX5_FLOW_TUNNEL; ++j) {
1397 if ((tunnels_info[j].tunnel &
1398 dev_handle->layers) ==
1399 tunnels_info[j].tunnel) {
1400 rxq_ctrl->flow_tunnels_n[j]++;
1404 flow_rxq_tunnel_ptype_update(rxq_ctrl);
1410 flow_rxq_mark_flag_set(struct rte_eth_dev *dev)
1412 struct mlx5_priv *priv = dev->data->dev_private;
1413 struct mlx5_rxq_ctrl *rxq_ctrl;
1415 if (priv->mark_enabled)
1417 LIST_FOREACH(rxq_ctrl, &priv->rxqsctrl, next) {
1418 rxq_ctrl->rxq.mark = 1;
1420 priv->mark_enabled = 1;
1424 * Set the Rx queue flags (Mark/Flag and Tunnel Ptypes) for a flow
1427 * Pointer to the Ethernet device structure.
1429 * Pointer to flow structure.
1432 flow_rxq_flags_set(struct rte_eth_dev *dev, struct rte_flow *flow)
1434 struct mlx5_priv *priv = dev->data->dev_private;
1435 uint32_t handle_idx;
1436 struct mlx5_flow_handle *dev_handle;
1437 struct mlx5_flow_workspace *wks = mlx5_flow_get_thread_workspace();
1441 flow_rxq_mark_flag_set(dev);
1442 SILIST_FOREACH(priv->sh->ipool[MLX5_IPOOL_MLX5_FLOW], flow->dev_handles,
1443 handle_idx, dev_handle, next)
1444 flow_drv_rxq_flags_set(dev, dev_handle);
1448 * Clear the Rx queue flags (Mark/Flag and Tunnel Ptype) associated with the
1449 * device flow if no other flow uses it with the same kind of request.
1452 * Pointer to Ethernet device.
1453 * @param[in] dev_handle
1454 * Pointer to the device flow handle structure.
1457 flow_drv_rxq_flags_trim(struct rte_eth_dev *dev,
1458 struct mlx5_flow_handle *dev_handle)
1460 struct mlx5_priv *priv = dev->data->dev_private;
1461 const int tunnel = !!(dev_handle->layers & MLX5_FLOW_LAYER_TUNNEL);
1462 struct mlx5_ind_table_obj *ind_tbl = NULL;
1465 if (dev_handle->fate_action == MLX5_FLOW_FATE_QUEUE) {
1466 struct mlx5_hrxq *hrxq;
1468 hrxq = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_HRXQ],
1469 dev_handle->rix_hrxq);
1471 ind_tbl = hrxq->ind_table;
1472 } else if (dev_handle->fate_action == MLX5_FLOW_FATE_SHARED_RSS) {
1473 struct mlx5_shared_action_rss *shared_rss;
1475 shared_rss = mlx5_ipool_get
1476 (priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS],
1477 dev_handle->rix_srss);
1479 ind_tbl = shared_rss->ind_tbl;
1483 MLX5_ASSERT(dev->data->dev_started);
1484 for (i = 0; i != ind_tbl->queues_n; ++i) {
1485 int idx = ind_tbl->queues[i];
1486 struct mlx5_rxq_ctrl *rxq_ctrl = mlx5_rxq_ctrl_get(dev, idx);
1488 MLX5_ASSERT(rxq_ctrl != NULL);
1489 if (rxq_ctrl == NULL)
1494 /* Decrease the counter matching the flow. */
1495 for (j = 0; j != MLX5_FLOW_TUNNEL; ++j) {
1496 if ((tunnels_info[j].tunnel &
1497 dev_handle->layers) ==
1498 tunnels_info[j].tunnel) {
1499 rxq_ctrl->flow_tunnels_n[j]--;
1503 flow_rxq_tunnel_ptype_update(rxq_ctrl);
1509 * Clear the Rx queue flags (Mark/Flag and Tunnel Ptype) associated with the
1510 * @p flow if no other flow uses it with the same kind of request.
1513 * Pointer to Ethernet device.
1515 * Pointer to the flow.
1518 flow_rxq_flags_trim(struct rte_eth_dev *dev, struct rte_flow *flow)
1520 struct mlx5_priv *priv = dev->data->dev_private;
1521 uint32_t handle_idx;
1522 struct mlx5_flow_handle *dev_handle;
1524 SILIST_FOREACH(priv->sh->ipool[MLX5_IPOOL_MLX5_FLOW], flow->dev_handles,
1525 handle_idx, dev_handle, next)
1526 flow_drv_rxq_flags_trim(dev, dev_handle);
1530 * Clear the Mark/Flag and Tunnel ptype information in all Rx queues.
1533 * Pointer to Ethernet device.
1536 flow_rxq_flags_clear(struct rte_eth_dev *dev)
1538 struct mlx5_priv *priv = dev->data->dev_private;
1541 for (i = 0; i != priv->rxqs_n; ++i) {
1542 struct mlx5_rxq_priv *rxq = mlx5_rxq_get(dev, i);
1545 if (rxq == NULL || rxq->ctrl == NULL)
1547 rxq->ctrl->rxq.mark = 0;
1548 for (j = 0; j != MLX5_FLOW_TUNNEL; ++j)
1549 rxq->ctrl->flow_tunnels_n[j] = 0;
1550 rxq->ctrl->rxq.tunnel = 0;
1552 priv->mark_enabled = 0;
1556 * Set the Rx queue dynamic metadata (mask and offset) for a flow
1559 * Pointer to the Ethernet device structure.
1562 mlx5_flow_rxq_dynf_metadata_set(struct rte_eth_dev *dev)
1564 struct mlx5_priv *priv = dev->data->dev_private;
1567 for (i = 0; i != priv->rxqs_n; ++i) {
1568 struct mlx5_rxq_priv *rxq = mlx5_rxq_get(dev, i);
1569 struct mlx5_rxq_data *data;
1571 if (rxq == NULL || rxq->ctrl == NULL)
1573 data = &rxq->ctrl->rxq;
1574 if (!rte_flow_dynf_metadata_avail()) {
1575 data->dynf_meta = 0;
1576 data->flow_meta_mask = 0;
1577 data->flow_meta_offset = -1;
1578 data->flow_meta_port_mask = 0;
1580 data->dynf_meta = 1;
1581 data->flow_meta_mask = rte_flow_dynf_metadata_mask;
1582 data->flow_meta_offset = rte_flow_dynf_metadata_offs;
1583 data->flow_meta_port_mask = priv->sh->dv_meta_mask;
1589 * return a pointer to the desired action in the list of actions.
1591 * @param[in] actions
1592 * The list of actions to search the action in.
1594 * The action to find.
1597 * Pointer to the action in the list, if found. NULL otherwise.
1599 const struct rte_flow_action *
1600 mlx5_flow_find_action(const struct rte_flow_action *actions,
1601 enum rte_flow_action_type action)
1603 if (actions == NULL)
1605 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++)
1606 if (actions->type == action)
1612 * Validate the flag action.
1614 * @param[in] action_flags
1615 * Bit-fields that holds the actions detected until now.
1617 * Attributes of flow that includes this action.
1619 * Pointer to error structure.
1622 * 0 on success, a negative errno value otherwise and rte_errno is set.
1625 mlx5_flow_validate_action_flag(uint64_t action_flags,
1626 const struct rte_flow_attr *attr,
1627 struct rte_flow_error *error)
1629 if (action_flags & MLX5_FLOW_ACTION_MARK)
1630 return rte_flow_error_set(error, EINVAL,
1631 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
1632 "can't mark and flag in same flow");
1633 if (action_flags & MLX5_FLOW_ACTION_FLAG)
1634 return rte_flow_error_set(error, EINVAL,
1635 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
1637 " actions in same flow");
1639 return rte_flow_error_set(error, ENOTSUP,
1640 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
1641 "flag action not supported for "
1647 * Validate the mark action.
1650 * Pointer to the queue action.
1651 * @param[in] action_flags
1652 * Bit-fields that holds the actions detected until now.
1654 * Attributes of flow that includes this action.
1656 * Pointer to error structure.
1659 * 0 on success, a negative errno value otherwise and rte_errno is set.
1662 mlx5_flow_validate_action_mark(const struct rte_flow_action *action,
1663 uint64_t action_flags,
1664 const struct rte_flow_attr *attr,
1665 struct rte_flow_error *error)
1667 const struct rte_flow_action_mark *mark = action->conf;
1670 return rte_flow_error_set(error, EINVAL,
1671 RTE_FLOW_ERROR_TYPE_ACTION,
1673 "configuration cannot be null");
1674 if (mark->id >= MLX5_FLOW_MARK_MAX)
1675 return rte_flow_error_set(error, EINVAL,
1676 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1678 "mark id must in 0 <= id < "
1679 RTE_STR(MLX5_FLOW_MARK_MAX));
1680 if (action_flags & MLX5_FLOW_ACTION_FLAG)
1681 return rte_flow_error_set(error, EINVAL,
1682 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
1683 "can't flag and mark in same flow");
1684 if (action_flags & MLX5_FLOW_ACTION_MARK)
1685 return rte_flow_error_set(error, EINVAL,
1686 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
1687 "can't have 2 mark actions in same"
1690 return rte_flow_error_set(error, ENOTSUP,
1691 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
1692 "mark action not supported for "
1698 * Validate the drop action.
1700 * @param[in] action_flags
1701 * Bit-fields that holds the actions detected until now.
1703 * Attributes of flow that includes this action.
1705 * Pointer to error structure.
1708 * 0 on success, a negative errno value otherwise and rte_errno is set.
1711 mlx5_flow_validate_action_drop(uint64_t action_flags __rte_unused,
1712 const struct rte_flow_attr *attr,
1713 struct rte_flow_error *error)
1716 return rte_flow_error_set(error, ENOTSUP,
1717 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
1718 "drop action not supported for "
1724 * Validate the queue action.
1727 * Pointer to the queue action.
1728 * @param[in] action_flags
1729 * Bit-fields that holds the actions detected until now.
1731 * Pointer to the Ethernet device structure.
1733 * Attributes of flow that includes this action.
1735 * Pointer to error structure.
1738 * 0 on success, a negative errno value otherwise and rte_errno is set.
1741 mlx5_flow_validate_action_queue(const struct rte_flow_action *action,
1742 uint64_t action_flags,
1743 struct rte_eth_dev *dev,
1744 const struct rte_flow_attr *attr,
1745 struct rte_flow_error *error)
1747 struct mlx5_priv *priv = dev->data->dev_private;
1748 const struct rte_flow_action_queue *queue = action->conf;
1750 if (action_flags & MLX5_FLOW_FATE_ACTIONS)
1751 return rte_flow_error_set(error, EINVAL,
1752 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
1753 "can't have 2 fate actions in"
1756 return rte_flow_error_set(error, ENOTSUP,
1757 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
1758 "queue action not supported for egress.");
1759 if (mlx5_is_external_rxq(dev, queue->index))
1762 return rte_flow_error_set(error, EINVAL,
1763 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1764 NULL, "No Rx queues configured");
1765 if (queue->index >= priv->rxqs_n)
1766 return rte_flow_error_set(error, EINVAL,
1767 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1769 "queue index out of range");
1770 if (mlx5_rxq_get(dev, queue->index) == NULL)
1771 return rte_flow_error_set(error, EINVAL,
1772 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1774 "queue is not configured");
1779 * Validate queue numbers for device RSS.
1782 * Configured device.
1784 * Array of queue numbers.
1785 * @param[in] queues_n
1786 * Size of the @p queues array.
1788 * On error, filled with a textual error description.
1789 * @param[out] queue_idx
1790 * On error, filled with an offending queue index in @p queues array.
1793 * 0 on success, a negative errno code on error.
1796 mlx5_validate_rss_queues(struct rte_eth_dev *dev,
1797 const uint16_t *queues, uint32_t queues_n,
1798 const char **error, uint32_t *queue_idx)
1800 const struct mlx5_priv *priv = dev->data->dev_private;
1801 bool is_hairpin = false;
1802 bool is_ext_rss = false;
1805 for (i = 0; i != queues_n; ++i) {
1806 struct mlx5_rxq_ctrl *rxq_ctrl;
1808 if (mlx5_is_external_rxq(dev, queues[0])) {
1813 *error = "Combining external and regular RSS queues is not supported";
1817 if (queues[i] >= priv->rxqs_n) {
1818 *error = "queue index out of range";
1822 rxq_ctrl = mlx5_rxq_ctrl_get(dev, queues[i]);
1823 if (rxq_ctrl == NULL) {
1824 *error = "queue is not configured";
1828 if (i == 0 && rxq_ctrl->is_hairpin)
1830 if (is_hairpin != rxq_ctrl->is_hairpin) {
1831 *error = "combining hairpin and regular RSS queues is not supported";
1840 * Validate the rss action.
1843 * Pointer to the Ethernet device structure.
1845 * Pointer to the queue action.
1847 * Pointer to error structure.
1850 * 0 on success, a negative errno value otherwise and rte_errno is set.
1853 mlx5_validate_action_rss(struct rte_eth_dev *dev,
1854 const struct rte_flow_action *action,
1855 struct rte_flow_error *error)
1857 struct mlx5_priv *priv = dev->data->dev_private;
1858 const struct rte_flow_action_rss *rss = action->conf;
1860 const char *message;
1863 if (rss->func != RTE_ETH_HASH_FUNCTION_DEFAULT &&
1864 rss->func != RTE_ETH_HASH_FUNCTION_TOEPLITZ)
1865 return rte_flow_error_set(error, ENOTSUP,
1866 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1868 "RSS hash function not supported");
1869 #ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
1874 return rte_flow_error_set(error, ENOTSUP,
1875 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1877 "tunnel RSS is not supported");
1878 /* allow RSS key_len 0 in case of NULL (default) RSS key. */
1879 if (rss->key_len == 0 && rss->key != NULL)
1880 return rte_flow_error_set(error, ENOTSUP,
1881 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1883 "RSS hash key length 0");
1884 if (rss->key_len > 0 && rss->key_len < MLX5_RSS_HASH_KEY_LEN)
1885 return rte_flow_error_set(error, ENOTSUP,
1886 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1888 "RSS hash key too small");
1889 if (rss->key_len > MLX5_RSS_HASH_KEY_LEN)
1890 return rte_flow_error_set(error, ENOTSUP,
1891 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1893 "RSS hash key too large");
1894 if (rss->queue_num > priv->sh->dev_cap.ind_table_max_size)
1895 return rte_flow_error_set(error, ENOTSUP,
1896 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1898 "number of queues too large");
1899 if (rss->types & MLX5_RSS_HF_MASK)
1900 return rte_flow_error_set(error, ENOTSUP,
1901 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1903 "some RSS protocols are not"
1905 if ((rss->types & (RTE_ETH_RSS_L3_SRC_ONLY | RTE_ETH_RSS_L3_DST_ONLY)) &&
1906 !(rss->types & RTE_ETH_RSS_IP))
1907 return rte_flow_error_set(error, EINVAL,
1908 RTE_FLOW_ERROR_TYPE_ACTION_CONF, NULL,
1909 "L3 partial RSS requested but L3 RSS"
1910 " type not specified");
1911 if ((rss->types & (RTE_ETH_RSS_L4_SRC_ONLY | RTE_ETH_RSS_L4_DST_ONLY)) &&
1912 !(rss->types & (RTE_ETH_RSS_UDP | RTE_ETH_RSS_TCP)))
1913 return rte_flow_error_set(error, EINVAL,
1914 RTE_FLOW_ERROR_TYPE_ACTION_CONF, NULL,
1915 "L4 partial RSS requested but L4 RSS"
1916 " type not specified");
1917 if (!priv->rxqs_n && priv->ext_rxqs == NULL)
1918 return rte_flow_error_set(error, EINVAL,
1919 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1920 NULL, "No Rx queues configured");
1921 if (!rss->queue_num)
1922 return rte_flow_error_set(error, EINVAL,
1923 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1924 NULL, "No queues configured");
1925 ret = mlx5_validate_rss_queues(dev, rss->queue, rss->queue_num,
1926 &message, &queue_idx);
1928 return rte_flow_error_set(error, -ret,
1929 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1930 &rss->queue[queue_idx], message);
1936 * Validate the rss action.
1939 * Pointer to the queue action.
1940 * @param[in] action_flags
1941 * Bit-fields that holds the actions detected until now.
1943 * Pointer to the Ethernet device structure.
1945 * Attributes of flow that includes this action.
1946 * @param[in] item_flags
1947 * Items that were detected.
1949 * Pointer to error structure.
1952 * 0 on success, a negative errno value otherwise and rte_errno is set.
1955 mlx5_flow_validate_action_rss(const struct rte_flow_action *action,
1956 uint64_t action_flags,
1957 struct rte_eth_dev *dev,
1958 const struct rte_flow_attr *attr,
1959 uint64_t item_flags,
1960 struct rte_flow_error *error)
1962 const struct rte_flow_action_rss *rss = action->conf;
1963 int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
1966 if (action_flags & MLX5_FLOW_FATE_ACTIONS)
1967 return rte_flow_error_set(error, EINVAL,
1968 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
1969 "can't have 2 fate actions"
1971 ret = mlx5_validate_action_rss(dev, action, error);
1975 return rte_flow_error_set(error, ENOTSUP,
1976 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
1977 "rss action not supported for "
1979 if (rss->level > 1 && !tunnel)
1980 return rte_flow_error_set(error, EINVAL,
1981 RTE_FLOW_ERROR_TYPE_ACTION_CONF, NULL,
1982 "inner RSS is not supported for "
1983 "non-tunnel flows");
1984 if ((item_flags & MLX5_FLOW_LAYER_ECPRI) &&
1985 !(item_flags & MLX5_FLOW_LAYER_INNER_L4_UDP)) {
1986 return rte_flow_error_set(error, EINVAL,
1987 RTE_FLOW_ERROR_TYPE_ACTION_CONF, NULL,
1988 "RSS on eCPRI is not supported now");
1990 if ((item_flags & MLX5_FLOW_LAYER_MPLS) &&
1992 (MLX5_FLOW_LAYER_INNER_L2 | MLX5_FLOW_LAYER_INNER_L3)) &&
1994 return rte_flow_error_set(error, EINVAL,
1995 RTE_FLOW_ERROR_TYPE_ITEM, NULL,
1996 "MPLS inner RSS needs to specify inner L2/L3 items after MPLS in pattern");
2001 * Validate the default miss action.
2003 * @param[in] action_flags
2004 * Bit-fields that holds the actions detected until now.
2006 * Pointer to error structure.
2009 * 0 on success, a negative errno value otherwise and rte_errno is set.
2012 mlx5_flow_validate_action_default_miss(uint64_t action_flags,
2013 const struct rte_flow_attr *attr,
2014 struct rte_flow_error *error)
2016 if (action_flags & MLX5_FLOW_FATE_ACTIONS)
2017 return rte_flow_error_set(error, EINVAL,
2018 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
2019 "can't have 2 fate actions in"
2022 return rte_flow_error_set(error, ENOTSUP,
2023 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
2024 "default miss action not supported "
2027 return rte_flow_error_set(error, ENOTSUP,
2028 RTE_FLOW_ERROR_TYPE_ATTR_GROUP, NULL,
2029 "only group 0 is supported");
2031 return rte_flow_error_set(error, ENOTSUP,
2032 RTE_FLOW_ERROR_TYPE_ATTR_TRANSFER,
2033 NULL, "transfer is not supported");
2038 * Validate the count action.
2041 * Pointer to the Ethernet device structure.
2043 * Attributes of flow that includes this action.
2045 * Pointer to error structure.
2048 * 0 on success, a negative errno value otherwise and rte_errno is set.
2051 mlx5_flow_validate_action_count(struct rte_eth_dev *dev __rte_unused,
2052 const struct rte_flow_attr *attr,
2053 struct rte_flow_error *error)
2056 return rte_flow_error_set(error, ENOTSUP,
2057 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
2058 "count action not supported for "
2064 * Validate the ASO CT action.
2067 * Pointer to the Ethernet device structure.
2068 * @param[in] conntrack
2069 * Pointer to the CT action profile.
2071 * Pointer to error structure.
2074 * 0 on success, a negative errno value otherwise and rte_errno is set.
2077 mlx5_validate_action_ct(struct rte_eth_dev *dev,
2078 const struct rte_flow_action_conntrack *conntrack,
2079 struct rte_flow_error *error)
2083 if (conntrack->state > RTE_FLOW_CONNTRACK_STATE_TIME_WAIT)
2084 return rte_flow_error_set(error, EINVAL,
2085 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
2086 "Invalid CT state");
2087 if (conntrack->last_index > RTE_FLOW_CONNTRACK_FLAG_RST)
2088 return rte_flow_error_set(error, EINVAL,
2089 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
2090 "Invalid last TCP packet flag");
2095 * Verify the @p attributes will be correctly understood by the NIC and store
2096 * them in the @p flow if everything is correct.
2099 * Pointer to the Ethernet device structure.
2100 * @param[in] attributes
2101 * Pointer to flow attributes
2103 * Pointer to error structure.
2106 * 0 on success, a negative errno value otherwise and rte_errno is set.
2109 mlx5_flow_validate_attributes(struct rte_eth_dev *dev,
2110 const struct rte_flow_attr *attributes,
2111 struct rte_flow_error *error)
2113 struct mlx5_priv *priv = dev->data->dev_private;
2114 uint32_t priority_max = priv->sh->flow_max_priority - 1;
2116 if (attributes->group)
2117 return rte_flow_error_set(error, ENOTSUP,
2118 RTE_FLOW_ERROR_TYPE_ATTR_GROUP,
2119 NULL, "groups is not supported");
2120 if (attributes->priority != MLX5_FLOW_LOWEST_PRIO_INDICATOR &&
2121 attributes->priority >= priority_max)
2122 return rte_flow_error_set(error, ENOTSUP,
2123 RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
2124 NULL, "priority out of range");
2125 if (attributes->egress)
2126 return rte_flow_error_set(error, ENOTSUP,
2127 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
2128 "egress is not supported");
2129 if (attributes->transfer && !priv->sh->config.dv_esw_en)
2130 return rte_flow_error_set(error, ENOTSUP,
2131 RTE_FLOW_ERROR_TYPE_ATTR_TRANSFER,
2132 NULL, "transfer is not supported");
2133 if (!attributes->ingress)
2134 return rte_flow_error_set(error, EINVAL,
2135 RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
2137 "ingress attribute is mandatory");
2142 * Validate ICMP6 item.
2145 * Item specification.
2146 * @param[in] item_flags
2147 * Bit-fields that holds the items detected until now.
2148 * @param[in] ext_vlan_sup
2149 * Whether extended VLAN features are supported or not.
2151 * Pointer to error structure.
2154 * 0 on success, a negative errno value otherwise and rte_errno is set.
2157 mlx5_flow_validate_item_icmp6(const struct rte_flow_item *item,
2158 uint64_t item_flags,
2159 uint8_t target_protocol,
2160 struct rte_flow_error *error)
2162 const struct rte_flow_item_icmp6 *mask = item->mask;
2163 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
2164 const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV6 :
2165 MLX5_FLOW_LAYER_OUTER_L3_IPV6;
2166 const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
2167 MLX5_FLOW_LAYER_OUTER_L4;
2170 if (target_protocol != 0xFF && target_protocol != IPPROTO_ICMPV6)
2171 return rte_flow_error_set(error, EINVAL,
2172 RTE_FLOW_ERROR_TYPE_ITEM, item,
2173 "protocol filtering not compatible"
2174 " with ICMP6 layer");
2175 if (!(item_flags & l3m))
2176 return rte_flow_error_set(error, EINVAL,
2177 RTE_FLOW_ERROR_TYPE_ITEM, item,
2178 "IPv6 is mandatory to filter on"
2180 if (item_flags & l4m)
2181 return rte_flow_error_set(error, EINVAL,
2182 RTE_FLOW_ERROR_TYPE_ITEM, item,
2183 "multiple L4 layers not supported");
2185 mask = &rte_flow_item_icmp6_mask;
2186 ret = mlx5_flow_item_acceptable
2187 (item, (const uint8_t *)mask,
2188 (const uint8_t *)&rte_flow_item_icmp6_mask,
2189 sizeof(struct rte_flow_item_icmp6),
2190 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
2197 * Validate ICMP item.
2200 * Item specification.
2201 * @param[in] item_flags
2202 * Bit-fields that holds the items detected until now.
2204 * Pointer to error structure.
2207 * 0 on success, a negative errno value otherwise and rte_errno is set.
2210 mlx5_flow_validate_item_icmp(const struct rte_flow_item *item,
2211 uint64_t item_flags,
2212 uint8_t target_protocol,
2213 struct rte_flow_error *error)
2215 const struct rte_flow_item_icmp *mask = item->mask;
2216 const struct rte_flow_item_icmp nic_mask = {
2217 .hdr.icmp_type = 0xff,
2218 .hdr.icmp_code = 0xff,
2219 .hdr.icmp_ident = RTE_BE16(0xffff),
2220 .hdr.icmp_seq_nb = RTE_BE16(0xffff),
2222 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
2223 const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV4 :
2224 MLX5_FLOW_LAYER_OUTER_L3_IPV4;
2225 const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
2226 MLX5_FLOW_LAYER_OUTER_L4;
2229 if (target_protocol != 0xFF && target_protocol != IPPROTO_ICMP)
2230 return rte_flow_error_set(error, EINVAL,
2231 RTE_FLOW_ERROR_TYPE_ITEM, item,
2232 "protocol filtering not compatible"
2233 " with ICMP layer");
2234 if (!(item_flags & l3m))
2235 return rte_flow_error_set(error, EINVAL,
2236 RTE_FLOW_ERROR_TYPE_ITEM, item,
2237 "IPv4 is mandatory to filter"
2239 if (item_flags & l4m)
2240 return rte_flow_error_set(error, EINVAL,
2241 RTE_FLOW_ERROR_TYPE_ITEM, item,
2242 "multiple L4 layers not supported");
2245 ret = mlx5_flow_item_acceptable
2246 (item, (const uint8_t *)mask,
2247 (const uint8_t *)&nic_mask,
2248 sizeof(struct rte_flow_item_icmp),
2249 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
2256 * Validate Ethernet item.
2259 * Item specification.
2260 * @param[in] item_flags
2261 * Bit-fields that holds the items detected until now.
2263 * Pointer to error structure.
2266 * 0 on success, a negative errno value otherwise and rte_errno is set.
2269 mlx5_flow_validate_item_eth(const struct rte_flow_item *item,
2270 uint64_t item_flags, bool ext_vlan_sup,
2271 struct rte_flow_error *error)
2273 const struct rte_flow_item_eth *mask = item->mask;
2274 const struct rte_flow_item_eth nic_mask = {
2275 .dst.addr_bytes = "\xff\xff\xff\xff\xff\xff",
2276 .src.addr_bytes = "\xff\xff\xff\xff\xff\xff",
2277 .type = RTE_BE16(0xffff),
2278 .has_vlan = ext_vlan_sup ? 1 : 0,
2281 int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
2282 const uint64_t ethm = tunnel ? MLX5_FLOW_LAYER_INNER_L2 :
2283 MLX5_FLOW_LAYER_OUTER_L2;
2285 if (item_flags & ethm)
2286 return rte_flow_error_set(error, ENOTSUP,
2287 RTE_FLOW_ERROR_TYPE_ITEM, item,
2288 "multiple L2 layers not supported");
2289 if ((!tunnel && (item_flags & MLX5_FLOW_LAYER_OUTER_L3)) ||
2290 (tunnel && (item_flags & MLX5_FLOW_LAYER_INNER_L3)))
2291 return rte_flow_error_set(error, EINVAL,
2292 RTE_FLOW_ERROR_TYPE_ITEM, item,
2293 "L2 layer should not follow "
2295 if ((!tunnel && (item_flags & MLX5_FLOW_LAYER_OUTER_VLAN)) ||
2296 (tunnel && (item_flags & MLX5_FLOW_LAYER_INNER_VLAN)))
2297 return rte_flow_error_set(error, EINVAL,
2298 RTE_FLOW_ERROR_TYPE_ITEM, item,
2299 "L2 layer should not follow VLAN");
2300 if (item_flags & MLX5_FLOW_LAYER_GTP)
2301 return rte_flow_error_set(error, EINVAL,
2302 RTE_FLOW_ERROR_TYPE_ITEM, item,
2303 "L2 layer should not follow GTP");
2305 mask = &rte_flow_item_eth_mask;
2306 ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
2307 (const uint8_t *)&nic_mask,
2308 sizeof(struct rte_flow_item_eth),
2309 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
2314 * Validate VLAN item.
2317 * Item specification.
2318 * @param[in] item_flags
2319 * Bit-fields that holds the items detected until now.
2321 * Ethernet device flow is being created on.
2323 * Pointer to error structure.
2326 * 0 on success, a negative errno value otherwise and rte_errno is set.
2329 mlx5_flow_validate_item_vlan(const struct rte_flow_item *item,
2330 uint64_t item_flags,
2331 struct rte_eth_dev *dev,
2332 struct rte_flow_error *error)
2334 const struct rte_flow_item_vlan *spec = item->spec;
2335 const struct rte_flow_item_vlan *mask = item->mask;
2336 const struct rte_flow_item_vlan nic_mask = {
2337 .tci = RTE_BE16(UINT16_MAX),
2338 .inner_type = RTE_BE16(UINT16_MAX),
2340 uint16_t vlan_tag = 0;
2341 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
2343 const uint64_t l34m = tunnel ? (MLX5_FLOW_LAYER_INNER_L3 |
2344 MLX5_FLOW_LAYER_INNER_L4) :
2345 (MLX5_FLOW_LAYER_OUTER_L3 |
2346 MLX5_FLOW_LAYER_OUTER_L4);
2347 const uint64_t vlanm = tunnel ? MLX5_FLOW_LAYER_INNER_VLAN :
2348 MLX5_FLOW_LAYER_OUTER_VLAN;
2350 if (item_flags & vlanm)
2351 return rte_flow_error_set(error, EINVAL,
2352 RTE_FLOW_ERROR_TYPE_ITEM, item,
2353 "multiple VLAN layers not supported");
2354 else if ((item_flags & l34m) != 0)
2355 return rte_flow_error_set(error, EINVAL,
2356 RTE_FLOW_ERROR_TYPE_ITEM, item,
2357 "VLAN cannot follow L3/L4 layer");
2359 mask = &rte_flow_item_vlan_mask;
2360 ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
2361 (const uint8_t *)&nic_mask,
2362 sizeof(struct rte_flow_item_vlan),
2363 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
2366 if (!tunnel && mask->tci != RTE_BE16(0x0fff)) {
2367 struct mlx5_priv *priv = dev->data->dev_private;
2369 if (priv->vmwa_context) {
2371 * Non-NULL context means we have a virtual machine
2372 * and SR-IOV enabled, we have to create VLAN interface
2373 * to make hypervisor to setup E-Switch vport
2374 * context correctly. We avoid creating the multiple
2375 * VLAN interfaces, so we cannot support VLAN tag mask.
2377 return rte_flow_error_set(error, EINVAL,
2378 RTE_FLOW_ERROR_TYPE_ITEM,
2380 "VLAN tag mask is not"
2381 " supported in virtual"
2386 vlan_tag = spec->tci;
2387 vlan_tag &= mask->tci;
2390 * From verbs perspective an empty VLAN is equivalent
2391 * to a packet without VLAN layer.
2394 return rte_flow_error_set(error, EINVAL,
2395 RTE_FLOW_ERROR_TYPE_ITEM_SPEC,
2397 "VLAN cannot be empty");
2402 * Validate IPV4 item.
2405 * Item specification.
2406 * @param[in] item_flags
2407 * Bit-fields that holds the items detected until now.
2408 * @param[in] last_item
2409 * Previous validated item in the pattern items.
2410 * @param[in] ether_type
2411 * Type in the ethernet layer header (including dot1q).
2412 * @param[in] acc_mask
2413 * Acceptable mask, if NULL default internal default mask
2414 * will be used to check whether item fields are supported.
2415 * @param[in] range_accepted
2416 * True if range of values is accepted for specific fields, false otherwise.
2418 * Pointer to error structure.
2421 * 0 on success, a negative errno value otherwise and rte_errno is set.
2424 mlx5_flow_validate_item_ipv4(const struct rte_flow_item *item,
2425 uint64_t item_flags,
2427 uint16_t ether_type,
2428 const struct rte_flow_item_ipv4 *acc_mask,
2429 bool range_accepted,
2430 struct rte_flow_error *error)
2432 const struct rte_flow_item_ipv4 *mask = item->mask;
2433 const struct rte_flow_item_ipv4 *spec = item->spec;
2434 const struct rte_flow_item_ipv4 nic_mask = {
2436 .src_addr = RTE_BE32(0xffffffff),
2437 .dst_addr = RTE_BE32(0xffffffff),
2438 .type_of_service = 0xff,
2439 .next_proto_id = 0xff,
2442 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
2443 const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
2444 MLX5_FLOW_LAYER_OUTER_L3;
2445 const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
2446 MLX5_FLOW_LAYER_OUTER_L4;
2448 uint8_t next_proto = 0xFF;
2449 const uint64_t l2_vlan = (MLX5_FLOW_LAYER_L2 |
2450 MLX5_FLOW_LAYER_OUTER_VLAN |
2451 MLX5_FLOW_LAYER_INNER_VLAN);
2453 if ((last_item & l2_vlan) && ether_type &&
2454 ether_type != RTE_ETHER_TYPE_IPV4)
2455 return rte_flow_error_set(error, EINVAL,
2456 RTE_FLOW_ERROR_TYPE_ITEM, item,
2457 "IPv4 cannot follow L2/VLAN layer "
2458 "which ether type is not IPv4");
2459 if (item_flags & MLX5_FLOW_LAYER_TUNNEL) {
2461 next_proto = mask->hdr.next_proto_id &
2462 spec->hdr.next_proto_id;
2463 if (next_proto == IPPROTO_IPIP || next_proto == IPPROTO_IPV6)
2464 return rte_flow_error_set(error, EINVAL,
2465 RTE_FLOW_ERROR_TYPE_ITEM,
2470 if (item_flags & MLX5_FLOW_LAYER_IPV6_ENCAP)
2471 return rte_flow_error_set(error, EINVAL,
2472 RTE_FLOW_ERROR_TYPE_ITEM, item,
2473 "wrong tunnel type - IPv6 specified "
2474 "but IPv4 item provided");
2475 if (item_flags & l3m)
2476 return rte_flow_error_set(error, ENOTSUP,
2477 RTE_FLOW_ERROR_TYPE_ITEM, item,
2478 "multiple L3 layers not supported");
2479 else if (item_flags & l4m)
2480 return rte_flow_error_set(error, EINVAL,
2481 RTE_FLOW_ERROR_TYPE_ITEM, item,
2482 "L3 cannot follow an L4 layer.");
2483 else if ((item_flags & MLX5_FLOW_LAYER_NVGRE) &&
2484 !(item_flags & MLX5_FLOW_LAYER_INNER_L2))
2485 return rte_flow_error_set(error, EINVAL,
2486 RTE_FLOW_ERROR_TYPE_ITEM, item,
2487 "L3 cannot follow an NVGRE layer.");
2489 mask = &rte_flow_item_ipv4_mask;
2490 else if (mask->hdr.next_proto_id != 0 &&
2491 mask->hdr.next_proto_id != 0xff)
2492 return rte_flow_error_set(error, EINVAL,
2493 RTE_FLOW_ERROR_TYPE_ITEM_MASK, mask,
2494 "partial mask is not supported"
2496 ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
2497 acc_mask ? (const uint8_t *)acc_mask
2498 : (const uint8_t *)&nic_mask,
2499 sizeof(struct rte_flow_item_ipv4),
2500 range_accepted, error);
2507 * Validate IPV6 item.
2510 * Item specification.
2511 * @param[in] item_flags
2512 * Bit-fields that holds the items detected until now.
2513 * @param[in] last_item
2514 * Previous validated item in the pattern items.
2515 * @param[in] ether_type
2516 * Type in the ethernet layer header (including dot1q).
2517 * @param[in] acc_mask
2518 * Acceptable mask, if NULL default internal default mask
2519 * will be used to check whether item fields are supported.
2521 * Pointer to error structure.
2524 * 0 on success, a negative errno value otherwise and rte_errno is set.
2527 mlx5_flow_validate_item_ipv6(const struct rte_flow_item *item,
2528 uint64_t item_flags,
2530 uint16_t ether_type,
2531 const struct rte_flow_item_ipv6 *acc_mask,
2532 struct rte_flow_error *error)
2534 const struct rte_flow_item_ipv6 *mask = item->mask;
2535 const struct rte_flow_item_ipv6 *spec = item->spec;
2536 const struct rte_flow_item_ipv6 nic_mask = {
2539 "\xff\xff\xff\xff\xff\xff\xff\xff"
2540 "\xff\xff\xff\xff\xff\xff\xff\xff",
2542 "\xff\xff\xff\xff\xff\xff\xff\xff"
2543 "\xff\xff\xff\xff\xff\xff\xff\xff",
2544 .vtc_flow = RTE_BE32(0xffffffff),
2548 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
2549 const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
2550 MLX5_FLOW_LAYER_OUTER_L3;
2551 const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
2552 MLX5_FLOW_LAYER_OUTER_L4;
2554 uint8_t next_proto = 0xFF;
2555 const uint64_t l2_vlan = (MLX5_FLOW_LAYER_L2 |
2556 MLX5_FLOW_LAYER_OUTER_VLAN |
2557 MLX5_FLOW_LAYER_INNER_VLAN);
2559 if ((last_item & l2_vlan) && ether_type &&
2560 ether_type != RTE_ETHER_TYPE_IPV6)
2561 return rte_flow_error_set(error, EINVAL,
2562 RTE_FLOW_ERROR_TYPE_ITEM, item,
2563 "IPv6 cannot follow L2/VLAN layer "
2564 "which ether type is not IPv6");
2565 if (mask && mask->hdr.proto == UINT8_MAX && spec)
2566 next_proto = spec->hdr.proto;
2567 if (item_flags & MLX5_FLOW_LAYER_TUNNEL) {
2568 if (next_proto == IPPROTO_IPIP || next_proto == IPPROTO_IPV6)
2569 return rte_flow_error_set(error, EINVAL,
2570 RTE_FLOW_ERROR_TYPE_ITEM,
2575 if (next_proto == IPPROTO_HOPOPTS ||
2576 next_proto == IPPROTO_ROUTING ||
2577 next_proto == IPPROTO_FRAGMENT ||
2578 next_proto == IPPROTO_ESP ||
2579 next_proto == IPPROTO_AH ||
2580 next_proto == IPPROTO_DSTOPTS)
2581 return rte_flow_error_set(error, EINVAL,
2582 RTE_FLOW_ERROR_TYPE_ITEM, item,
2583 "IPv6 proto (next header) should "
2584 "not be set as extension header");
2585 if (item_flags & MLX5_FLOW_LAYER_IPIP)
2586 return rte_flow_error_set(error, EINVAL,
2587 RTE_FLOW_ERROR_TYPE_ITEM, item,
2588 "wrong tunnel type - IPv4 specified "
2589 "but IPv6 item provided");
2590 if (item_flags & l3m)
2591 return rte_flow_error_set(error, ENOTSUP,
2592 RTE_FLOW_ERROR_TYPE_ITEM, item,
2593 "multiple L3 layers not supported");
2594 else if (item_flags & l4m)
2595 return rte_flow_error_set(error, EINVAL,
2596 RTE_FLOW_ERROR_TYPE_ITEM, item,
2597 "L3 cannot follow an L4 layer.");
2598 else if ((item_flags & MLX5_FLOW_LAYER_NVGRE) &&
2599 !(item_flags & MLX5_FLOW_LAYER_INNER_L2))
2600 return rte_flow_error_set(error, EINVAL,
2601 RTE_FLOW_ERROR_TYPE_ITEM, item,
2602 "L3 cannot follow an NVGRE layer.");
2604 mask = &rte_flow_item_ipv6_mask;
2605 ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
2606 acc_mask ? (const uint8_t *)acc_mask
2607 : (const uint8_t *)&nic_mask,
2608 sizeof(struct rte_flow_item_ipv6),
2609 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
2616 * Validate UDP item.
2619 * Item specification.
2620 * @param[in] item_flags
2621 * Bit-fields that holds the items detected until now.
2622 * @param[in] target_protocol
2623 * The next protocol in the previous item.
2624 * @param[in] flow_mask
2625 * mlx5 flow-specific (DV, verbs, etc.) supported header fields mask.
2627 * Pointer to error structure.
2630 * 0 on success, a negative errno value otherwise and rte_errno is set.
2633 mlx5_flow_validate_item_udp(const struct rte_flow_item *item,
2634 uint64_t item_flags,
2635 uint8_t target_protocol,
2636 struct rte_flow_error *error)
2638 const struct rte_flow_item_udp *mask = item->mask;
2639 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
2640 const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
2641 MLX5_FLOW_LAYER_OUTER_L3;
2642 const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
2643 MLX5_FLOW_LAYER_OUTER_L4;
2646 if (target_protocol != 0xff && target_protocol != IPPROTO_UDP)
2647 return rte_flow_error_set(error, EINVAL,
2648 RTE_FLOW_ERROR_TYPE_ITEM, item,
2649 "protocol filtering not compatible"
2651 if (!(item_flags & l3m))
2652 return rte_flow_error_set(error, EINVAL,
2653 RTE_FLOW_ERROR_TYPE_ITEM, item,
2654 "L3 is mandatory to filter on L4");
2655 if (item_flags & l4m)
2656 return rte_flow_error_set(error, EINVAL,
2657 RTE_FLOW_ERROR_TYPE_ITEM, item,
2658 "multiple L4 layers not supported");
2660 mask = &rte_flow_item_udp_mask;
2661 ret = mlx5_flow_item_acceptable
2662 (item, (const uint8_t *)mask,
2663 (const uint8_t *)&rte_flow_item_udp_mask,
2664 sizeof(struct rte_flow_item_udp), MLX5_ITEM_RANGE_NOT_ACCEPTED,
2672 * Validate TCP item.
2675 * Item specification.
2676 * @param[in] item_flags
2677 * Bit-fields that holds the items detected until now.
2678 * @param[in] target_protocol
2679 * The next protocol in the previous item.
2681 * Pointer to error structure.
2684 * 0 on success, a negative errno value otherwise and rte_errno is set.
2687 mlx5_flow_validate_item_tcp(const struct rte_flow_item *item,
2688 uint64_t item_flags,
2689 uint8_t target_protocol,
2690 const struct rte_flow_item_tcp *flow_mask,
2691 struct rte_flow_error *error)
2693 const struct rte_flow_item_tcp *mask = item->mask;
2694 const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
2695 const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
2696 MLX5_FLOW_LAYER_OUTER_L3;
2697 const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
2698 MLX5_FLOW_LAYER_OUTER_L4;
2701 MLX5_ASSERT(flow_mask);
2702 if (target_protocol != 0xff && target_protocol != IPPROTO_TCP)
2703 return rte_flow_error_set(error, EINVAL,
2704 RTE_FLOW_ERROR_TYPE_ITEM, item,
2705 "protocol filtering not compatible"
2707 if (!(item_flags & l3m))
2708 return rte_flow_error_set(error, EINVAL,
2709 RTE_FLOW_ERROR_TYPE_ITEM, item,
2710 "L3 is mandatory to filter on L4");
2711 if (item_flags & l4m)
2712 return rte_flow_error_set(error, EINVAL,
2713 RTE_FLOW_ERROR_TYPE_ITEM, item,
2714 "multiple L4 layers not supported");
2716 mask = &rte_flow_item_tcp_mask;
2717 ret = mlx5_flow_item_acceptable
2718 (item, (const uint8_t *)mask,
2719 (const uint8_t *)flow_mask,
2720 sizeof(struct rte_flow_item_tcp), MLX5_ITEM_RANGE_NOT_ACCEPTED,
2728 * Validate VXLAN item.
2731 * Pointer to the Ethernet device structure.
2732 * @param[in] udp_dport
2733 * UDP destination port
2735 * Item specification.
2736 * @param[in] item_flags
2737 * Bit-fields that holds the items detected until now.
2739 * Flow rule attributes.
2741 * Pointer to error structure.
2744 * 0 on success, a negative errno value otherwise and rte_errno is set.
2747 mlx5_flow_validate_item_vxlan(struct rte_eth_dev *dev,
2749 const struct rte_flow_item *item,
2750 uint64_t item_flags,
2751 const struct rte_flow_attr *attr,
2752 struct rte_flow_error *error)
2754 const struct rte_flow_item_vxlan *spec = item->spec;
2755 const struct rte_flow_item_vxlan *mask = item->mask;
2757 struct mlx5_priv *priv = dev->data->dev_private;
2761 } id = { .vlan_id = 0, };
2762 const struct rte_flow_item_vxlan nic_mask = {
2763 .vni = "\xff\xff\xff",
2766 const struct rte_flow_item_vxlan *valid_mask;
2768 if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
2769 return rte_flow_error_set(error, ENOTSUP,
2770 RTE_FLOW_ERROR_TYPE_ITEM, item,
2771 "multiple tunnel layers not"
2773 valid_mask = &rte_flow_item_vxlan_mask;
2775 * Verify only UDPv4 is present as defined in
2776 * https://tools.ietf.org/html/rfc7348
2778 if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L4_UDP))
2779 return rte_flow_error_set(error, EINVAL,
2780 RTE_FLOW_ERROR_TYPE_ITEM, item,
2781 "no outer UDP layer found");
2783 mask = &rte_flow_item_vxlan_mask;
2785 if (priv->sh->steering_format_version !=
2786 MLX5_STEERING_LOGIC_FORMAT_CONNECTX_5 ||
2787 !udp_dport || udp_dport == MLX5_UDP_PORT_VXLAN) {
2788 /* FDB domain & NIC domain non-zero group */
2789 if ((attr->transfer || attr->group) && priv->sh->misc5_cap)
2790 valid_mask = &nic_mask;
2791 /* Group zero in NIC domain */
2792 if (!attr->group && !attr->transfer &&
2793 priv->sh->tunnel_header_0_1)
2794 valid_mask = &nic_mask;
2796 ret = mlx5_flow_item_acceptable
2797 (item, (const uint8_t *)mask,
2798 (const uint8_t *)valid_mask,
2799 sizeof(struct rte_flow_item_vxlan),
2800 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
2804 memcpy(&id.vni[1], spec->vni, 3);
2805 memcpy(&id.vni[1], mask->vni, 3);
2807 if (!(item_flags & MLX5_FLOW_LAYER_OUTER))
2808 return rte_flow_error_set(error, ENOTSUP,
2809 RTE_FLOW_ERROR_TYPE_ITEM, item,
2810 "VXLAN tunnel must be fully defined");
2815 * Validate VXLAN_GPE item.
2818 * Item specification.
2819 * @param[in] item_flags
2820 * Bit-fields that holds the items detected until now.
2822 * Pointer to the private data structure.
2823 * @param[in] target_protocol
2824 * The next protocol in the previous item.
2826 * Pointer to error structure.
2829 * 0 on success, a negative errno value otherwise and rte_errno is set.
2832 mlx5_flow_validate_item_vxlan_gpe(const struct rte_flow_item *item,
2833 uint64_t item_flags,
2834 struct rte_eth_dev *dev,
2835 struct rte_flow_error *error)
2837 struct mlx5_priv *priv = dev->data->dev_private;
2838 const struct rte_flow_item_vxlan_gpe *spec = item->spec;
2839 const struct rte_flow_item_vxlan_gpe *mask = item->mask;
2844 } id = { .vlan_id = 0, };
2846 if (!priv->sh->config.l3_vxlan_en)
2847 return rte_flow_error_set(error, ENOTSUP,
2848 RTE_FLOW_ERROR_TYPE_ITEM, item,
2849 "L3 VXLAN is not enabled by device"
2850 " parameter and/or not configured in"
2852 if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
2853 return rte_flow_error_set(error, ENOTSUP,
2854 RTE_FLOW_ERROR_TYPE_ITEM, item,
2855 "multiple tunnel layers not"
2858 * Verify only UDPv4 is present as defined in
2859 * https://tools.ietf.org/html/rfc7348
2861 if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L4_UDP))
2862 return rte_flow_error_set(error, EINVAL,
2863 RTE_FLOW_ERROR_TYPE_ITEM, item,
2864 "no outer UDP layer found");
2866 mask = &rte_flow_item_vxlan_gpe_mask;
2867 ret = mlx5_flow_item_acceptable
2868 (item, (const uint8_t *)mask,
2869 (const uint8_t *)&rte_flow_item_vxlan_gpe_mask,
2870 sizeof(struct rte_flow_item_vxlan_gpe),
2871 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
2876 return rte_flow_error_set(error, ENOTSUP,
2877 RTE_FLOW_ERROR_TYPE_ITEM,
2879 "VxLAN-GPE protocol"
2881 memcpy(&id.vni[1], spec->vni, 3);
2882 memcpy(&id.vni[1], mask->vni, 3);
2884 if (!(item_flags & MLX5_FLOW_LAYER_OUTER))
2885 return rte_flow_error_set(error, ENOTSUP,
2886 RTE_FLOW_ERROR_TYPE_ITEM, item,
2887 "VXLAN-GPE tunnel must be fully"
2892 * Validate GRE Key item.
2895 * Item specification.
2896 * @param[in] item_flags
2897 * Bit flags to mark detected items.
2898 * @param[in] gre_item
2899 * Pointer to gre_item
2901 * Pointer to error structure.
2904 * 0 on success, a negative errno value otherwise and rte_errno is set.
2907 mlx5_flow_validate_item_gre_key(const struct rte_flow_item *item,
2908 uint64_t item_flags,
2909 const struct rte_flow_item *gre_item,
2910 struct rte_flow_error *error)
2912 const rte_be32_t *mask = item->mask;
2914 rte_be32_t gre_key_default_mask = RTE_BE32(UINT32_MAX);
2915 const struct rte_flow_item_gre *gre_spec;
2916 const struct rte_flow_item_gre *gre_mask;
2918 if (item_flags & MLX5_FLOW_LAYER_GRE_KEY)
2919 return rte_flow_error_set(error, ENOTSUP,
2920 RTE_FLOW_ERROR_TYPE_ITEM, item,
2921 "Multiple GRE key not support");
2922 if (!(item_flags & MLX5_FLOW_LAYER_GRE))
2923 return rte_flow_error_set(error, ENOTSUP,
2924 RTE_FLOW_ERROR_TYPE_ITEM, item,
2925 "No preceding GRE header");
2926 if (item_flags & MLX5_FLOW_LAYER_INNER)
2927 return rte_flow_error_set(error, ENOTSUP,
2928 RTE_FLOW_ERROR_TYPE_ITEM, item,
2929 "GRE key following a wrong item");
2930 gre_mask = gre_item->mask;
2932 gre_mask = &rte_flow_item_gre_mask;
2933 gre_spec = gre_item->spec;
2934 if (gre_spec && (gre_mask->c_rsvd0_ver & RTE_BE16(0x2000)) &&
2935 !(gre_spec->c_rsvd0_ver & RTE_BE16(0x2000)))
2936 return rte_flow_error_set(error, EINVAL,
2937 RTE_FLOW_ERROR_TYPE_ITEM, item,
2938 "Key bit must be on");
2941 mask = &gre_key_default_mask;
2942 ret = mlx5_flow_item_acceptable
2943 (item, (const uint8_t *)mask,
2944 (const uint8_t *)&gre_key_default_mask,
2945 sizeof(rte_be32_t), MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
2950 * Validate GRE optional item.
2953 * Pointer to the Ethernet device structure.
2955 * Item specification.
2956 * @param[in] item_flags
2957 * Bit flags to mark detected items.
2959 * Flow rule attributes.
2960 * @param[in] gre_item
2961 * Pointer to gre_item
2963 * Pointer to error structure.
2966 * 0 on success, a negative errno value otherwise and rte_errno is set.
2969 mlx5_flow_validate_item_gre_option(struct rte_eth_dev *dev,
2970 const struct rte_flow_item *item,
2971 uint64_t item_flags,
2972 const struct rte_flow_attr *attr,
2973 const struct rte_flow_item *gre_item,
2974 struct rte_flow_error *error)
2976 const struct rte_flow_item_gre *gre_spec = gre_item->spec;
2977 const struct rte_flow_item_gre *gre_mask = gre_item->mask;
2978 const struct rte_flow_item_gre_opt *spec = item->spec;
2979 const struct rte_flow_item_gre_opt *mask = item->mask;
2980 struct mlx5_priv *priv = dev->data->dev_private;
2982 struct rte_flow_item_gre_opt nic_mask = {
2984 .checksum = RTE_BE16(UINT16_MAX),
2988 .key = RTE_BE32(UINT32_MAX),
2991 .sequence = RTE_BE32(UINT32_MAX),
2995 if (!(item_flags & MLX5_FLOW_LAYER_GRE))
2996 return rte_flow_error_set(error, ENOTSUP,
2997 RTE_FLOW_ERROR_TYPE_ITEM, item,
2998 "No preceding GRE header");
2999 if (item_flags & MLX5_FLOW_LAYER_INNER)
3000 return rte_flow_error_set(error, ENOTSUP,
3001 RTE_FLOW_ERROR_TYPE_ITEM, item,
3002 "GRE option following a wrong item");
3004 return rte_flow_error_set(error, EINVAL,
3005 RTE_FLOW_ERROR_TYPE_ITEM, item,
3006 "At least one field gre_option(checksum/key/sequence) must be specified");
3008 gre_mask = &rte_flow_item_gre_mask;
3009 if (mask->checksum_rsvd.checksum)
3010 if (gre_spec && (gre_mask->c_rsvd0_ver & RTE_BE16(0x8000)) &&
3011 !(gre_spec->c_rsvd0_ver & RTE_BE16(0x8000)))
3012 return rte_flow_error_set(error, EINVAL,
3013 RTE_FLOW_ERROR_TYPE_ITEM,
3015 "Checksum bit must be on");
3017 if (gre_spec && (gre_mask->c_rsvd0_ver & RTE_BE16(0x2000)) &&
3018 !(gre_spec->c_rsvd0_ver & RTE_BE16(0x2000)))
3019 return rte_flow_error_set(error, EINVAL,
3020 RTE_FLOW_ERROR_TYPE_ITEM,
3021 item, "Key bit must be on");
3022 if (mask->sequence.sequence)
3023 if (gre_spec && (gre_mask->c_rsvd0_ver & RTE_BE16(0x1000)) &&
3024 !(gre_spec->c_rsvd0_ver & RTE_BE16(0x1000)))
3025 return rte_flow_error_set(error, EINVAL,
3026 RTE_FLOW_ERROR_TYPE_ITEM,
3028 "Sequence bit must be on");
3029 if (mask->checksum_rsvd.checksum || mask->sequence.sequence) {
3030 if (priv->sh->steering_format_version ==
3031 MLX5_STEERING_LOGIC_FORMAT_CONNECTX_5 ||
3032 ((attr->group || attr->transfer) &&
3033 !priv->sh->misc5_cap) ||
3034 (!(priv->sh->tunnel_header_0_1 &&
3035 priv->sh->tunnel_header_2_3) &&
3036 !attr->group && !attr->transfer))
3037 return rte_flow_error_set(error, EINVAL,
3038 RTE_FLOW_ERROR_TYPE_ITEM,
3040 "Checksum/Sequence not supported");
3042 ret = mlx5_flow_item_acceptable
3043 (item, (const uint8_t *)mask,
3044 (const uint8_t *)&nic_mask,
3045 sizeof(struct rte_flow_item_gre_opt),
3046 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
3051 * Validate GRE item.
3054 * Item specification.
3055 * @param[in] item_flags
3056 * Bit flags to mark detected items.
3057 * @param[in] target_protocol
3058 * The next protocol in the previous item.
3060 * Pointer to error structure.
3063 * 0 on success, a negative errno value otherwise and rte_errno is set.
3066 mlx5_flow_validate_item_gre(const struct rte_flow_item *item,
3067 uint64_t item_flags,
3068 uint8_t target_protocol,
3069 struct rte_flow_error *error)
3071 const struct rte_flow_item_gre *spec __rte_unused = item->spec;
3072 const struct rte_flow_item_gre *mask = item->mask;
3074 const struct rte_flow_item_gre nic_mask = {
3075 .c_rsvd0_ver = RTE_BE16(0xB000),
3076 .protocol = RTE_BE16(UINT16_MAX),
3079 if (target_protocol != 0xff && target_protocol != IPPROTO_GRE)
3080 return rte_flow_error_set(error, EINVAL,
3081 RTE_FLOW_ERROR_TYPE_ITEM, item,
3082 "protocol filtering not compatible"
3083 " with this GRE layer");
3084 if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
3085 return rte_flow_error_set(error, ENOTSUP,
3086 RTE_FLOW_ERROR_TYPE_ITEM, item,
3087 "multiple tunnel layers not"
3089 if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L3))
3090 return rte_flow_error_set(error, ENOTSUP,
3091 RTE_FLOW_ERROR_TYPE_ITEM, item,
3092 "L3 Layer is missing");
3094 mask = &rte_flow_item_gre_mask;
3095 ret = mlx5_flow_item_acceptable
3096 (item, (const uint8_t *)mask,
3097 (const uint8_t *)&nic_mask,
3098 sizeof(struct rte_flow_item_gre), MLX5_ITEM_RANGE_NOT_ACCEPTED,
3102 #ifndef HAVE_MLX5DV_DR
3103 #ifndef HAVE_IBV_DEVICE_MPLS_SUPPORT
3104 if (spec && (spec->protocol & mask->protocol))
3105 return rte_flow_error_set(error, ENOTSUP,
3106 RTE_FLOW_ERROR_TYPE_ITEM, item,
3107 "without MPLS support the"
3108 " specification cannot be used for"
3116 * Validate Geneve item.
3119 * Item specification.
3120 * @param[in] itemFlags
3121 * Bit-fields that holds the items detected until now.
3123 * Pointer to the private data structure.
3125 * Pointer to error structure.
3128 * 0 on success, a negative errno value otherwise and rte_errno is set.
3132 mlx5_flow_validate_item_geneve(const struct rte_flow_item *item,
3133 uint64_t item_flags,
3134 struct rte_eth_dev *dev,
3135 struct rte_flow_error *error)
3137 struct mlx5_priv *priv = dev->data->dev_private;
3138 const struct rte_flow_item_geneve *spec = item->spec;
3139 const struct rte_flow_item_geneve *mask = item->mask;
3142 uint8_t opt_len = priv->sh->cdev->config.hca_attr.geneve_max_opt_len ?
3143 MLX5_GENEVE_OPT_LEN_1 : MLX5_GENEVE_OPT_LEN_0;
3144 const struct rte_flow_item_geneve nic_mask = {
3145 .ver_opt_len_o_c_rsvd0 = RTE_BE16(0x3f80),
3146 .vni = "\xff\xff\xff",
3147 .protocol = RTE_BE16(UINT16_MAX),
3150 if (!priv->sh->cdev->config.hca_attr.tunnel_stateless_geneve_rx)
3151 return rte_flow_error_set(error, ENOTSUP,
3152 RTE_FLOW_ERROR_TYPE_ITEM, item,
3153 "L3 Geneve is not enabled by device"
3154 " parameter and/or not configured in"
3156 if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
3157 return rte_flow_error_set(error, ENOTSUP,
3158 RTE_FLOW_ERROR_TYPE_ITEM, item,
3159 "multiple tunnel layers not"
3162 * Verify only UDPv4 is present as defined in
3163 * https://tools.ietf.org/html/rfc7348
3165 if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L4_UDP))
3166 return rte_flow_error_set(error, EINVAL,
3167 RTE_FLOW_ERROR_TYPE_ITEM, item,
3168 "no outer UDP layer found");
3170 mask = &rte_flow_item_geneve_mask;
3171 ret = mlx5_flow_item_acceptable
3172 (item, (const uint8_t *)mask,
3173 (const uint8_t *)&nic_mask,
3174 sizeof(struct rte_flow_item_geneve),
3175 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
3179 gbhdr = rte_be_to_cpu_16(spec->ver_opt_len_o_c_rsvd0);
3180 if (MLX5_GENEVE_VER_VAL(gbhdr) ||
3181 MLX5_GENEVE_CRITO_VAL(gbhdr) ||
3182 MLX5_GENEVE_RSVD_VAL(gbhdr) || spec->rsvd1)
3183 return rte_flow_error_set(error, ENOTSUP,
3184 RTE_FLOW_ERROR_TYPE_ITEM,
3186 "Geneve protocol unsupported"
3187 " fields are being used");
3188 if (MLX5_GENEVE_OPTLEN_VAL(gbhdr) > opt_len)
3189 return rte_flow_error_set
3191 RTE_FLOW_ERROR_TYPE_ITEM,
3193 "Unsupported Geneve options length");
3195 if (!(item_flags & MLX5_FLOW_LAYER_OUTER))
3196 return rte_flow_error_set
3198 RTE_FLOW_ERROR_TYPE_ITEM, item,
3199 "Geneve tunnel must be fully defined");
3204 * Validate Geneve TLV option item.
3207 * Item specification.
3208 * @param[in] last_item
3209 * Previous validated item in the pattern items.
3210 * @param[in] geneve_item
3211 * Previous GENEVE item specification.
3213 * Pointer to the rte_eth_dev structure.
3215 * Pointer to error structure.
3218 * 0 on success, a negative errno value otherwise and rte_errno is set.
3221 mlx5_flow_validate_item_geneve_opt(const struct rte_flow_item *item,
3223 const struct rte_flow_item *geneve_item,
3224 struct rte_eth_dev *dev,
3225 struct rte_flow_error *error)
3227 struct mlx5_priv *priv = dev->data->dev_private;
3228 struct mlx5_dev_ctx_shared *sh = priv->sh;
3229 struct mlx5_geneve_tlv_option_resource *geneve_opt_resource;
3230 struct mlx5_hca_attr *hca_attr = &sh->cdev->config.hca_attr;
3231 uint8_t data_max_supported =
3232 hca_attr->max_geneve_tlv_option_data_len * 4;
3233 const struct rte_flow_item_geneve *geneve_spec;
3234 const struct rte_flow_item_geneve *geneve_mask;
3235 const struct rte_flow_item_geneve_opt *spec = item->spec;
3236 const struct rte_flow_item_geneve_opt *mask = item->mask;
3238 unsigned int data_len;
3239 uint8_t tlv_option_len;
3240 uint16_t optlen_m, optlen_v;
3241 const struct rte_flow_item_geneve_opt full_mask = {
3242 .option_class = RTE_BE16(0xffff),
3243 .option_type = 0xff,
3248 mask = &rte_flow_item_geneve_opt_mask;
3250 return rte_flow_error_set
3251 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
3252 "Geneve TLV opt class/type/length must be specified");
3253 if ((uint32_t)spec->option_len > MLX5_GENEVE_OPTLEN_MASK)
3254 return rte_flow_error_set
3255 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
3256 "Geneve TLV opt length exceeds the limit (31)");
3257 /* Check if class type and length masks are full. */
3258 if (full_mask.option_class != mask->option_class ||
3259 full_mask.option_type != mask->option_type ||
3260 full_mask.option_len != (mask->option_len & full_mask.option_len))
3261 return rte_flow_error_set
3262 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
3263 "Geneve TLV opt class/type/length masks must be full");
3264 /* Check if length is supported */
3265 if ((uint32_t)spec->option_len >
3266 hca_attr->max_geneve_tlv_option_data_len)
3267 return rte_flow_error_set
3268 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
3269 "Geneve TLV opt length not supported");
3270 if (hca_attr->max_geneve_tlv_options > 1)
3272 "max_geneve_tlv_options supports more than 1 option");
3273 /* Check GENEVE item preceding. */
3274 if (!geneve_item || !(last_item & MLX5_FLOW_LAYER_GENEVE))
3275 return rte_flow_error_set
3276 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
3277 "Geneve opt item must be preceded with Geneve item");
3278 geneve_spec = geneve_item->spec;
3279 geneve_mask = geneve_item->mask ? geneve_item->mask :
3280 &rte_flow_item_geneve_mask;
3281 /* Check if GENEVE TLV option size doesn't exceed option length */
3282 if (geneve_spec && (geneve_mask->ver_opt_len_o_c_rsvd0 ||
3283 geneve_spec->ver_opt_len_o_c_rsvd0)) {
3284 tlv_option_len = spec->option_len & mask->option_len;
3285 optlen_v = rte_be_to_cpu_16(geneve_spec->ver_opt_len_o_c_rsvd0);
3286 optlen_v = MLX5_GENEVE_OPTLEN_VAL(optlen_v);
3287 optlen_m = rte_be_to_cpu_16(geneve_mask->ver_opt_len_o_c_rsvd0);
3288 optlen_m = MLX5_GENEVE_OPTLEN_VAL(optlen_m);
3289 if ((optlen_v & optlen_m) <= tlv_option_len)
3290 return rte_flow_error_set
3291 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
3292 "GENEVE TLV option length exceeds optlen");
3294 /* Check if length is 0 or data is 0. */
3295 if (spec->data == NULL || spec->option_len == 0)
3296 return rte_flow_error_set
3297 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
3298 "Geneve TLV opt with zero data/length not supported");
3299 /* Check not all data & mask are 0. */
3300 data_len = spec->option_len * 4;
3301 if (mask->data == NULL) {
3302 for (i = 0; i < data_len; i++)
3306 return rte_flow_error_set(error, ENOTSUP,
3307 RTE_FLOW_ERROR_TYPE_ITEM, item,
3308 "Can't match on Geneve option data 0");
3310 for (i = 0; i < data_len; i++)
3311 if (spec->data[i] & mask->data[i])
3314 return rte_flow_error_set(error, ENOTSUP,
3315 RTE_FLOW_ERROR_TYPE_ITEM, item,
3316 "Can't match on Geneve option data and mask 0");
3317 /* Check data mask supported. */
3318 for (i = data_max_supported; i < data_len ; i++)
3320 return rte_flow_error_set(error, ENOTSUP,
3321 RTE_FLOW_ERROR_TYPE_ITEM, item,
3322 "Data mask is of unsupported size");
3324 /* Check GENEVE option is supported in NIC. */
3325 if (!hca_attr->geneve_tlv_opt)
3326 return rte_flow_error_set
3327 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
3328 "Geneve TLV opt not supported");
3329 /* Check if we already have geneve option with different type/class. */
3330 rte_spinlock_lock(&sh->geneve_tlv_opt_sl);
3331 geneve_opt_resource = sh->geneve_tlv_option_resource;
3332 if (geneve_opt_resource != NULL)
3333 if (geneve_opt_resource->option_class != spec->option_class ||
3334 geneve_opt_resource->option_type != spec->option_type ||
3335 geneve_opt_resource->length != spec->option_len) {
3336 rte_spinlock_unlock(&sh->geneve_tlv_opt_sl);
3337 return rte_flow_error_set(error, ENOTSUP,
3338 RTE_FLOW_ERROR_TYPE_ITEM, item,
3339 "Only one Geneve TLV option supported");
3341 rte_spinlock_unlock(&sh->geneve_tlv_opt_sl);
3346 * Validate MPLS item.
3349 * Pointer to the rte_eth_dev structure.
3351 * Item specification.
3352 * @param[in] item_flags
3353 * Bit-fields that holds the items detected until now.
3354 * @param[in] prev_layer
3355 * The protocol layer indicated in previous item.
3357 * Pointer to error structure.
3360 * 0 on success, a negative errno value otherwise and rte_errno is set.
3363 mlx5_flow_validate_item_mpls(struct rte_eth_dev *dev __rte_unused,
3364 const struct rte_flow_item *item __rte_unused,
3365 uint64_t item_flags __rte_unused,
3366 uint64_t prev_layer __rte_unused,
3367 struct rte_flow_error *error)
3369 #ifdef HAVE_IBV_DEVICE_MPLS_SUPPORT
3370 const struct rte_flow_item_mpls *mask = item->mask;
3371 struct mlx5_priv *priv = dev->data->dev_private;
3374 if (!priv->sh->dev_cap.mpls_en)
3375 return rte_flow_error_set(error, ENOTSUP,
3376 RTE_FLOW_ERROR_TYPE_ITEM, item,
3377 "MPLS not supported or"
3378 " disabled in firmware"
3380 /* MPLS over UDP, GRE is allowed */
3381 if (!(prev_layer & (MLX5_FLOW_LAYER_OUTER_L4_UDP |
3382 MLX5_FLOW_LAYER_GRE |
3383 MLX5_FLOW_LAYER_GRE_KEY)))
3384 return rte_flow_error_set(error, EINVAL,
3385 RTE_FLOW_ERROR_TYPE_ITEM, item,
3386 "protocol filtering not compatible"
3387 " with MPLS layer");
3388 /* Multi-tunnel isn't allowed but MPLS over GRE is an exception. */
3389 if ((item_flags & MLX5_FLOW_LAYER_TUNNEL) &&
3390 !(item_flags & MLX5_FLOW_LAYER_GRE))
3391 return rte_flow_error_set(error, ENOTSUP,
3392 RTE_FLOW_ERROR_TYPE_ITEM, item,
3393 "multiple tunnel layers not"
3396 mask = &rte_flow_item_mpls_mask;
3397 ret = mlx5_flow_item_acceptable
3398 (item, (const uint8_t *)mask,
3399 (const uint8_t *)&rte_flow_item_mpls_mask,
3400 sizeof(struct rte_flow_item_mpls),
3401 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
3406 return rte_flow_error_set(error, ENOTSUP,
3407 RTE_FLOW_ERROR_TYPE_ITEM, item,
3408 "MPLS is not supported by Verbs, please"
3414 * Validate NVGRE item.
3417 * Item specification.
3418 * @param[in] item_flags
3419 * Bit flags to mark detected items.
3420 * @param[in] target_protocol
3421 * The next protocol in the previous item.
3423 * Pointer to error structure.
3426 * 0 on success, a negative errno value otherwise and rte_errno is set.
3429 mlx5_flow_validate_item_nvgre(const struct rte_flow_item *item,
3430 uint64_t item_flags,
3431 uint8_t target_protocol,
3432 struct rte_flow_error *error)
3434 const struct rte_flow_item_nvgre *mask = item->mask;
3437 if (target_protocol != 0xff && target_protocol != IPPROTO_GRE)
3438 return rte_flow_error_set(error, EINVAL,
3439 RTE_FLOW_ERROR_TYPE_ITEM, item,
3440 "protocol filtering not compatible"
3441 " with this GRE layer");
3442 if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
3443 return rte_flow_error_set(error, ENOTSUP,
3444 RTE_FLOW_ERROR_TYPE_ITEM, item,
3445 "multiple tunnel layers not"
3447 if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L3))
3448 return rte_flow_error_set(error, ENOTSUP,
3449 RTE_FLOW_ERROR_TYPE_ITEM, item,
3450 "L3 Layer is missing");
3452 mask = &rte_flow_item_nvgre_mask;
3453 ret = mlx5_flow_item_acceptable
3454 (item, (const uint8_t *)mask,
3455 (const uint8_t *)&rte_flow_item_nvgre_mask,
3456 sizeof(struct rte_flow_item_nvgre),
3457 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
3464 * Validate eCPRI item.
3467 * Item specification.
3468 * @param[in] item_flags
3469 * Bit-fields that holds the items detected until now.
3470 * @param[in] last_item
3471 * Previous validated item in the pattern items.
3472 * @param[in] ether_type
3473 * Type in the ethernet layer header (including dot1q).
3474 * @param[in] acc_mask
3475 * Acceptable mask, if NULL default internal default mask
3476 * will be used to check whether item fields are supported.
3478 * Pointer to error structure.
3481 * 0 on success, a negative errno value otherwise and rte_errno is set.
3484 mlx5_flow_validate_item_ecpri(const struct rte_flow_item *item,
3485 uint64_t item_flags,
3487 uint16_t ether_type,
3488 const struct rte_flow_item_ecpri *acc_mask,
3489 struct rte_flow_error *error)
3491 const struct rte_flow_item_ecpri *mask = item->mask;
3492 const struct rte_flow_item_ecpri nic_mask = {
3496 RTE_BE32(((const struct rte_ecpri_common_hdr) {
3500 .dummy[0] = 0xFFFFFFFF,
3503 const uint64_t outer_l2_vlan = (MLX5_FLOW_LAYER_OUTER_L2 |
3504 MLX5_FLOW_LAYER_OUTER_VLAN);
3505 struct rte_flow_item_ecpri mask_lo;
3507 if (!(last_item & outer_l2_vlan) &&
3508 last_item != MLX5_FLOW_LAYER_OUTER_L4_UDP)
3509 return rte_flow_error_set(error, EINVAL,
3510 RTE_FLOW_ERROR_TYPE_ITEM, item,
3511 "eCPRI can only follow L2/VLAN layer or UDP layer");
3512 if ((last_item & outer_l2_vlan) && ether_type &&
3513 ether_type != RTE_ETHER_TYPE_ECPRI)
3514 return rte_flow_error_set(error, EINVAL,
3515 RTE_FLOW_ERROR_TYPE_ITEM, item,
3516 "eCPRI cannot follow L2/VLAN layer which ether type is not 0xAEFE");
3517 if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
3518 return rte_flow_error_set(error, EINVAL,
3519 RTE_FLOW_ERROR_TYPE_ITEM, item,
3520 "eCPRI with tunnel is not supported right now");
3521 if (item_flags & MLX5_FLOW_LAYER_OUTER_L3)
3522 return rte_flow_error_set(error, ENOTSUP,
3523 RTE_FLOW_ERROR_TYPE_ITEM, item,
3524 "multiple L3 layers not supported");
3525 else if (item_flags & MLX5_FLOW_LAYER_OUTER_L4_TCP)
3526 return rte_flow_error_set(error, EINVAL,
3527 RTE_FLOW_ERROR_TYPE_ITEM, item,
3528 "eCPRI cannot coexist with a TCP layer");
3529 /* In specification, eCPRI could be over UDP layer. */
3530 else if (item_flags & MLX5_FLOW_LAYER_OUTER_L4_UDP)
3531 return rte_flow_error_set(error, EINVAL,
3532 RTE_FLOW_ERROR_TYPE_ITEM, item,
3533 "eCPRI over UDP layer is not yet supported right now");
3534 /* Mask for type field in common header could be zero. */
3536 mask = &rte_flow_item_ecpri_mask;
3537 mask_lo.hdr.common.u32 = rte_be_to_cpu_32(mask->hdr.common.u32);
3538 /* Input mask is in big-endian format. */
3539 if (mask_lo.hdr.common.type != 0 && mask_lo.hdr.common.type != 0xff)
3540 return rte_flow_error_set(error, EINVAL,
3541 RTE_FLOW_ERROR_TYPE_ITEM_MASK, mask,
3542 "partial mask is not supported for protocol");
3543 else if (mask_lo.hdr.common.type == 0 && mask->hdr.dummy[0] != 0)
3544 return rte_flow_error_set(error, EINVAL,
3545 RTE_FLOW_ERROR_TYPE_ITEM_MASK, mask,
3546 "message header mask must be after a type mask");
3547 return mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
3548 acc_mask ? (const uint8_t *)acc_mask
3549 : (const uint8_t *)&nic_mask,
3550 sizeof(struct rte_flow_item_ecpri),
3551 MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
3555 flow_null_validate(struct rte_eth_dev *dev __rte_unused,
3556 const struct rte_flow_attr *attr __rte_unused,
3557 const struct rte_flow_item items[] __rte_unused,
3558 const struct rte_flow_action actions[] __rte_unused,
3559 bool external __rte_unused,
3560 int hairpin __rte_unused,
3561 struct rte_flow_error *error)
3563 return rte_flow_error_set(error, ENOTSUP,
3564 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, NULL);
3567 static struct mlx5_flow *
3568 flow_null_prepare(struct rte_eth_dev *dev __rte_unused,
3569 const struct rte_flow_attr *attr __rte_unused,
3570 const struct rte_flow_item items[] __rte_unused,
3571 const struct rte_flow_action actions[] __rte_unused,
3572 struct rte_flow_error *error)
3574 rte_flow_error_set(error, ENOTSUP,
3575 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, NULL);
3580 flow_null_translate(struct rte_eth_dev *dev __rte_unused,
3581 struct mlx5_flow *dev_flow __rte_unused,
3582 const struct rte_flow_attr *attr __rte_unused,
3583 const struct rte_flow_item items[] __rte_unused,
3584 const struct rte_flow_action actions[] __rte_unused,
3585 struct rte_flow_error *error)
3587 return rte_flow_error_set(error, ENOTSUP,
3588 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, NULL);
3592 flow_null_apply(struct rte_eth_dev *dev __rte_unused,
3593 struct rte_flow *flow __rte_unused,
3594 struct rte_flow_error *error)
3596 return rte_flow_error_set(error, ENOTSUP,
3597 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, NULL);
3601 flow_null_remove(struct rte_eth_dev *dev __rte_unused,
3602 struct rte_flow *flow __rte_unused)
3607 flow_null_destroy(struct rte_eth_dev *dev __rte_unused,
3608 struct rte_flow *flow __rte_unused)
3613 flow_null_query(struct rte_eth_dev *dev __rte_unused,
3614 struct rte_flow *flow __rte_unused,
3615 const struct rte_flow_action *actions __rte_unused,
3616 void *data __rte_unused,
3617 struct rte_flow_error *error)
3619 return rte_flow_error_set(error, ENOTSUP,
3620 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, NULL);
3624 flow_null_sync_domain(struct rte_eth_dev *dev __rte_unused,
3625 uint32_t domains __rte_unused,
3626 uint32_t flags __rte_unused)
3631 /* Void driver to protect from null pointer reference. */
3632 const struct mlx5_flow_driver_ops mlx5_flow_null_drv_ops = {
3633 .validate = flow_null_validate,
3634 .prepare = flow_null_prepare,
3635 .translate = flow_null_translate,
3636 .apply = flow_null_apply,
3637 .remove = flow_null_remove,
3638 .destroy = flow_null_destroy,
3639 .query = flow_null_query,
3640 .sync_domain = flow_null_sync_domain,
3644 * Select flow driver type according to flow attributes and device
3648 * Pointer to the dev structure.
3650 * Pointer to the flow attributes.
3653 * flow driver type, MLX5_FLOW_TYPE_MAX otherwise.
3655 static enum mlx5_flow_drv_type
3656 flow_get_drv_type(struct rte_eth_dev *dev, const struct rte_flow_attr *attr)
3658 struct mlx5_priv *priv = dev->data->dev_private;
3659 /* The OS can determine first a specific flow type (DV, VERBS) */
3660 enum mlx5_flow_drv_type type = mlx5_flow_os_get_type();
3662 if (type != MLX5_FLOW_TYPE_MAX)
3665 * Currently when dv_flow_en == 2, only HW steering engine is
3666 * supported. New engines can also be chosen here if ready.
3668 if (priv->sh->config.dv_flow_en == 2)
3669 return MLX5_FLOW_TYPE_HW;
3670 /* If no OS specific type - continue with DV/VERBS selection */
3671 if (attr->transfer && priv->sh->config.dv_esw_en)
3672 type = MLX5_FLOW_TYPE_DV;
3673 if (!attr->transfer)
3674 type = priv->sh->config.dv_flow_en ? MLX5_FLOW_TYPE_DV :
3675 MLX5_FLOW_TYPE_VERBS;
3679 #define flow_get_drv_ops(type) flow_drv_ops[type]
3682 * Flow driver validation API. This abstracts calling driver specific functions.
3683 * The type of flow driver is determined according to flow attributes.
3686 * Pointer to the dev structure.
3688 * Pointer to the flow attributes.
3690 * Pointer to the list of items.
3691 * @param[in] actions
3692 * Pointer to the list of actions.
3693 * @param[in] external
3694 * This flow rule is created by request external to PMD.
3695 * @param[in] hairpin
3696 * Number of hairpin TX actions, 0 means classic flow.
3698 * Pointer to the error structure.
3701 * 0 on success, a negative errno value otherwise and rte_errno is set.
3704 flow_drv_validate(struct rte_eth_dev *dev,
3705 const struct rte_flow_attr *attr,
3706 const struct rte_flow_item items[],
3707 const struct rte_flow_action actions[],
3708 bool external, int hairpin, struct rte_flow_error *error)
3710 const struct mlx5_flow_driver_ops *fops;
3711 enum mlx5_flow_drv_type type = flow_get_drv_type(dev, attr);
3713 fops = flow_get_drv_ops(type);
3714 return fops->validate(dev, attr, items, actions, external,
3719 * Flow driver preparation API. This abstracts calling driver specific
3720 * functions. Parent flow (rte_flow) should have driver type (drv_type). It
3721 * calculates the size of memory required for device flow, allocates the memory,
3722 * initializes the device flow and returns the pointer.
3725 * This function initializes device flow structure such as dv or verbs in
3726 * struct mlx5_flow. However, it is caller's responsibility to initialize the
3727 * rest. For example, adding returning device flow to flow->dev_flow list and
3728 * setting backward reference to the flow should be done out of this function.
3729 * layers field is not filled either.
3732 * Pointer to the dev structure.
3734 * Pointer to the flow attributes.
3736 * Pointer to the list of items.
3737 * @param[in] actions
3738 * Pointer to the list of actions.
3739 * @param[in] flow_idx
3740 * This memory pool index to the flow.
3742 * Pointer to the error structure.
3745 * Pointer to device flow on success, otherwise NULL and rte_errno is set.
3747 static inline struct mlx5_flow *
3748 flow_drv_prepare(struct rte_eth_dev *dev,
3749 const struct rte_flow *flow,
3750 const struct rte_flow_attr *attr,
3751 const struct rte_flow_item items[],
3752 const struct rte_flow_action actions[],
3754 struct rte_flow_error *error)
3756 const struct mlx5_flow_driver_ops *fops;
3757 enum mlx5_flow_drv_type type = flow->drv_type;
3758 struct mlx5_flow *mlx5_flow = NULL;
3760 MLX5_ASSERT(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
3761 fops = flow_get_drv_ops(type);
3762 mlx5_flow = fops->prepare(dev, attr, items, actions, error);
3764 mlx5_flow->flow_idx = flow_idx;
3769 * Flow driver translation API. This abstracts calling driver specific
3770 * functions. Parent flow (rte_flow) should have driver type (drv_type). It
3771 * translates a generic flow into a driver flow. flow_drv_prepare() must
3775 * dev_flow->layers could be filled as a result of parsing during translation
3776 * if needed by flow_drv_apply(). dev_flow->flow->actions can also be filled
3777 * if necessary. As a flow can have multiple dev_flows by RSS flow expansion,
3778 * flow->actions could be overwritten even though all the expanded dev_flows
3779 * have the same actions.
3782 * Pointer to the rte dev structure.
3783 * @param[in, out] dev_flow
3784 * Pointer to the mlx5 flow.
3786 * Pointer to the flow attributes.
3788 * Pointer to the list of items.
3789 * @param[in] actions
3790 * Pointer to the list of actions.
3792 * Pointer to the error structure.
3795 * 0 on success, a negative errno value otherwise and rte_errno is set.
3798 flow_drv_translate(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow,
3799 const struct rte_flow_attr *attr,
3800 const struct rte_flow_item items[],
3801 const struct rte_flow_action actions[],
3802 struct rte_flow_error *error)
3804 const struct mlx5_flow_driver_ops *fops;
3805 enum mlx5_flow_drv_type type = dev_flow->flow->drv_type;
3807 MLX5_ASSERT(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
3808 fops = flow_get_drv_ops(type);
3809 return fops->translate(dev, dev_flow, attr, items, actions, error);
3813 * Flow driver apply API. This abstracts calling driver specific functions.
3814 * Parent flow (rte_flow) should have driver type (drv_type). It applies
3815 * translated driver flows on to device. flow_drv_translate() must precede.
3818 * Pointer to Ethernet device structure.
3819 * @param[in, out] flow
3820 * Pointer to flow structure.
3822 * Pointer to error structure.
3825 * 0 on success, a negative errno value otherwise and rte_errno is set.
3828 flow_drv_apply(struct rte_eth_dev *dev, struct rte_flow *flow,
3829 struct rte_flow_error *error)
3831 const struct mlx5_flow_driver_ops *fops;
3832 enum mlx5_flow_drv_type type = flow->drv_type;
3834 MLX5_ASSERT(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
3835 fops = flow_get_drv_ops(type);
3836 return fops->apply(dev, flow, error);
3840 * Flow driver destroy API. This abstracts calling driver specific functions.
3841 * Parent flow (rte_flow) should have driver type (drv_type). It removes a flow
3842 * on device and releases resources of the flow.
3845 * Pointer to Ethernet device.
3846 * @param[in, out] flow
3847 * Pointer to flow structure.
3850 flow_drv_destroy(struct rte_eth_dev *dev, struct rte_flow *flow)
3852 const struct mlx5_flow_driver_ops *fops;
3853 enum mlx5_flow_drv_type type = flow->drv_type;
3855 MLX5_ASSERT(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
3856 fops = flow_get_drv_ops(type);
3857 fops->destroy(dev, flow);
3861 * Flow driver find RSS policy tbl API. This abstracts calling driver
3862 * specific functions. Parent flow (rte_flow) should have driver
3863 * type (drv_type). It will find the RSS policy table that has the rss_desc.
3866 * Pointer to Ethernet device.
3867 * @param[in, out] flow
3868 * Pointer to flow structure.
3870 * Pointer to meter policy table.
3871 * @param[in] rss_desc
3872 * Pointer to rss_desc
3874 static struct mlx5_flow_meter_sub_policy *
3875 flow_drv_meter_sub_policy_rss_prepare(struct rte_eth_dev *dev,
3876 struct rte_flow *flow,
3877 struct mlx5_flow_meter_policy *policy,
3878 struct mlx5_flow_rss_desc *rss_desc[MLX5_MTR_RTE_COLORS])
3880 const struct mlx5_flow_driver_ops *fops;
3881 enum mlx5_flow_drv_type type = flow->drv_type;
3883 MLX5_ASSERT(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
3884 fops = flow_get_drv_ops(type);
3885 return fops->meter_sub_policy_rss_prepare(dev, policy, rss_desc);
3889 * Flow driver color tag rule API. This abstracts calling driver
3890 * specific functions. Parent flow (rte_flow) should have driver
3891 * type (drv_type). It will create the color tag rules in hierarchy meter.
3894 * Pointer to Ethernet device.
3895 * @param[in, out] flow
3896 * Pointer to flow structure.
3898 * Pointer to flow meter structure.
3899 * @param[in] src_port
3900 * The src port this extra rule should use.
3902 * The src port id match item.
3904 * Pointer to error structure.
3907 flow_drv_mtr_hierarchy_rule_create(struct rte_eth_dev *dev,
3908 struct rte_flow *flow,
3909 struct mlx5_flow_meter_info *fm,
3911 const struct rte_flow_item *item,
3912 struct rte_flow_error *error)
3914 const struct mlx5_flow_driver_ops *fops;
3915 enum mlx5_flow_drv_type type = flow->drv_type;
3917 MLX5_ASSERT(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
3918 fops = flow_get_drv_ops(type);
3919 return fops->meter_hierarchy_rule_create(dev, fm,
3920 src_port, item, error);
3924 * Get RSS action from the action list.
3927 * Pointer to Ethernet device.
3928 * @param[in] actions
3929 * Pointer to the list of actions.
3931 * Parent flow structure pointer.
3934 * Pointer to the RSS action if exist, else return NULL.
3936 static const struct rte_flow_action_rss*
3937 flow_get_rss_action(struct rte_eth_dev *dev,
3938 const struct rte_flow_action actions[])
3940 struct mlx5_priv *priv = dev->data->dev_private;
3941 const struct rte_flow_action_rss *rss = NULL;
3942 struct mlx5_meter_policy_action_container *acg;
3943 struct mlx5_meter_policy_action_container *acy;
3945 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
3946 switch (actions->type) {
3947 case RTE_FLOW_ACTION_TYPE_RSS:
3948 rss = actions->conf;
3950 case RTE_FLOW_ACTION_TYPE_SAMPLE:
3952 const struct rte_flow_action_sample *sample =
3954 const struct rte_flow_action *act = sample->actions;
3955 for (; act->type != RTE_FLOW_ACTION_TYPE_END; act++)
3956 if (act->type == RTE_FLOW_ACTION_TYPE_RSS)
3960 case RTE_FLOW_ACTION_TYPE_METER:
3963 struct mlx5_flow_meter_info *fm;
3964 struct mlx5_flow_meter_policy *policy;
3965 const struct rte_flow_action_meter *mtr = actions->conf;
3967 fm = mlx5_flow_meter_find(priv, mtr->mtr_id, &mtr_idx);
3968 if (fm && !fm->def_policy) {
3969 policy = mlx5_flow_meter_policy_find(dev,
3970 fm->policy_id, NULL);
3971 MLX5_ASSERT(policy);
3972 if (policy->is_hierarchy) {
3974 mlx5_flow_meter_hierarchy_get_final_policy(dev,
3979 if (policy->is_rss) {
3981 &policy->act_cnt[RTE_COLOR_GREEN];
3983 &policy->act_cnt[RTE_COLOR_YELLOW];
3984 if (acg->fate_action ==
3985 MLX5_FLOW_FATE_SHARED_RSS)
3986 rss = acg->rss->conf;
3987 else if (acy->fate_action ==
3988 MLX5_FLOW_FATE_SHARED_RSS)
3989 rss = acy->rss->conf;
4002 * Get ASO age action by index.
4005 * Pointer to the Ethernet device structure.
4006 * @param[in] age_idx
4007 * Index to the ASO age action.
4010 * The specified ASO age action.
4012 struct mlx5_aso_age_action*
4013 flow_aso_age_get_by_idx(struct rte_eth_dev *dev, uint32_t age_idx)
4015 uint16_t pool_idx = age_idx & UINT16_MAX;
4016 uint16_t offset = (age_idx >> 16) & UINT16_MAX;
4017 struct mlx5_priv *priv = dev->data->dev_private;
4018 struct mlx5_aso_age_mng *mng = priv->sh->aso_age_mng;
4019 struct mlx5_aso_age_pool *pool;
4021 rte_rwlock_read_lock(&mng->resize_rwl);
4022 pool = mng->pools[pool_idx];
4023 rte_rwlock_read_unlock(&mng->resize_rwl);
4024 return &pool->actions[offset - 1];
4027 /* maps indirect action to translated direct in some actions array */
4028 struct mlx5_translated_action_handle {
4029 struct rte_flow_action_handle *action; /**< Indirect action handle. */
4030 int index; /**< Index in related array of rte_flow_action. */
4034 * Translates actions of type RTE_FLOW_ACTION_TYPE_INDIRECT to related
4035 * direct action if translation possible.
4036 * This functionality used to run same execution path for both direct and
4037 * indirect actions on flow create. All necessary preparations for indirect
4038 * action handling should be performed on *handle* actions list returned
4042 * Pointer to Ethernet device.
4043 * @param[in] actions
4044 * List of actions to translate.
4045 * @param[out] handle
4046 * List to store translated indirect action object handles.
4047 * @param[in, out] indir_n
4048 * Size of *handle* array. On return should be updated with number of
4049 * indirect actions retrieved from the *actions* list.
4050 * @param[out] translated_actions
4051 * List of actions where all indirect actions were translated to direct
4052 * if possible. NULL if no translation took place.
4054 * Pointer to the error structure.
4057 * 0 on success, a negative errno value otherwise and rte_errno is set.
4060 flow_action_handles_translate(struct rte_eth_dev *dev,
4061 const struct rte_flow_action actions[],
4062 struct mlx5_translated_action_handle *handle,
4064 struct rte_flow_action **translated_actions,
4065 struct rte_flow_error *error)
4067 struct mlx5_priv *priv = dev->data->dev_private;
4068 struct rte_flow_action *translated = NULL;
4069 size_t actions_size;
4072 struct mlx5_translated_action_handle *handle_end = NULL;
4074 for (n = 0; actions[n].type != RTE_FLOW_ACTION_TYPE_END; n++) {
4075 if (actions[n].type != RTE_FLOW_ACTION_TYPE_INDIRECT)
4077 if (copied_n == *indir_n) {
4078 return rte_flow_error_set
4079 (error, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION_NUM,
4080 NULL, "too many shared actions");
4082 rte_memcpy(&handle[copied_n].action, &actions[n].conf,
4083 sizeof(actions[n].conf));
4084 handle[copied_n].index = n;
4088 *indir_n = copied_n;
4091 actions_size = sizeof(struct rte_flow_action) * n;
4092 translated = mlx5_malloc(MLX5_MEM_ZERO, actions_size, 0, SOCKET_ID_ANY);
4097 memcpy(translated, actions, actions_size);
4098 for (handle_end = handle + copied_n; handle < handle_end; handle++) {
4099 struct mlx5_shared_action_rss *shared_rss;
4100 uint32_t act_idx = (uint32_t)(uintptr_t)handle->action;
4101 uint32_t type = act_idx >> MLX5_INDIRECT_ACTION_TYPE_OFFSET;
4102 uint32_t idx = act_idx &
4103 ((1u << MLX5_INDIRECT_ACTION_TYPE_OFFSET) - 1);
4106 case MLX5_INDIRECT_ACTION_TYPE_RSS:
4107 shared_rss = mlx5_ipool_get
4108 (priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS], idx);
4109 translated[handle->index].type =
4110 RTE_FLOW_ACTION_TYPE_RSS;
4111 translated[handle->index].conf =
4112 &shared_rss->origin;
4114 case MLX5_INDIRECT_ACTION_TYPE_COUNT:
4115 translated[handle->index].type =
4116 (enum rte_flow_action_type)
4117 MLX5_RTE_FLOW_ACTION_TYPE_COUNT;
4118 translated[handle->index].conf = (void *)(uintptr_t)idx;
4120 case MLX5_INDIRECT_ACTION_TYPE_AGE:
4121 if (priv->sh->flow_hit_aso_en) {
4122 translated[handle->index].type =
4123 (enum rte_flow_action_type)
4124 MLX5_RTE_FLOW_ACTION_TYPE_AGE;
4125 translated[handle->index].conf =
4126 (void *)(uintptr_t)idx;
4130 case MLX5_INDIRECT_ACTION_TYPE_CT:
4131 if (priv->sh->ct_aso_en) {
4132 translated[handle->index].type =
4133 RTE_FLOW_ACTION_TYPE_CONNTRACK;
4134 translated[handle->index].conf =
4135 (void *)(uintptr_t)idx;
4140 mlx5_free(translated);
4141 return rte_flow_error_set
4142 (error, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION,
4143 NULL, "invalid indirect action type");
4146 *translated_actions = translated;
4151 * Get Shared RSS action from the action list.
4154 * Pointer to Ethernet device.
4156 * Pointer to the list of actions.
4157 * @param[in] shared_n
4158 * Actions list length.
4161 * The MLX5 RSS action ID if exists, otherwise return 0.
4164 flow_get_shared_rss_action(struct rte_eth_dev *dev,
4165 struct mlx5_translated_action_handle *handle,
4168 struct mlx5_translated_action_handle *handle_end;
4169 struct mlx5_priv *priv = dev->data->dev_private;
4170 struct mlx5_shared_action_rss *shared_rss;
4173 for (handle_end = handle + shared_n; handle < handle_end; handle++) {
4174 uint32_t act_idx = (uint32_t)(uintptr_t)handle->action;
4175 uint32_t type = act_idx >> MLX5_INDIRECT_ACTION_TYPE_OFFSET;
4176 uint32_t idx = act_idx &
4177 ((1u << MLX5_INDIRECT_ACTION_TYPE_OFFSET) - 1);
4179 case MLX5_INDIRECT_ACTION_TYPE_RSS:
4180 shared_rss = mlx5_ipool_get
4181 (priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS],
4183 __atomic_add_fetch(&shared_rss->refcnt, 1,
4194 find_graph_root(uint32_t rss_level)
4196 return rss_level < 2 ? MLX5_EXPANSION_ROOT :
4197 MLX5_EXPANSION_ROOT_OUTER;
4201 * Get layer flags from the prefix flow.
4203 * Some flows may be split to several subflows, the prefix subflow gets the
4204 * match items and the suffix sub flow gets the actions.
4205 * Some actions need the user defined match item flags to get the detail for
4207 * This function helps the suffix flow to get the item layer flags from prefix
4210 * @param[in] dev_flow
4211 * Pointer the created prefix subflow.
4214 * The layers get from prefix subflow.
4216 static inline uint64_t
4217 flow_get_prefix_layer_flags(struct mlx5_flow *dev_flow)
4219 uint64_t layers = 0;
4222 * Layers bits could be localization, but usually the compiler will
4223 * help to do the optimization work for source code.
4224 * If no decap actions, use the layers directly.
4226 if (!(dev_flow->act_flags & MLX5_FLOW_ACTION_DECAP))
4227 return dev_flow->handle->layers;
4228 /* Convert L3 layers with decap action. */
4229 if (dev_flow->handle->layers & MLX5_FLOW_LAYER_INNER_L3_IPV4)
4230 layers |= MLX5_FLOW_LAYER_OUTER_L3_IPV4;
4231 else if (dev_flow->handle->layers & MLX5_FLOW_LAYER_INNER_L3_IPV6)
4232 layers |= MLX5_FLOW_LAYER_OUTER_L3_IPV6;
4233 /* Convert L4 layers with decap action. */
4234 if (dev_flow->handle->layers & MLX5_FLOW_LAYER_INNER_L4_TCP)
4235 layers |= MLX5_FLOW_LAYER_OUTER_L4_TCP;
4236 else if (dev_flow->handle->layers & MLX5_FLOW_LAYER_INNER_L4_UDP)
4237 layers |= MLX5_FLOW_LAYER_OUTER_L4_UDP;
4242 * Get metadata split action information.
4244 * @param[in] actions
4245 * Pointer to the list of actions.
4247 * Pointer to the return pointer.
4248 * @param[out] qrss_type
4249 * Pointer to the action type to return. RTE_FLOW_ACTION_TYPE_END is returned
4250 * if no QUEUE/RSS is found.
4251 * @param[out] encap_idx
4252 * Pointer to the index of the encap action if exists, otherwise the last
4256 * Total number of actions.
4259 flow_parse_metadata_split_actions_info(const struct rte_flow_action actions[],
4260 const struct rte_flow_action **qrss,
4263 const struct rte_flow_action_raw_encap *raw_encap;
4265 int raw_decap_idx = -1;
4268 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
4269 switch (actions->type) {
4270 case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
4271 case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP:
4272 *encap_idx = actions_n;
4274 case RTE_FLOW_ACTION_TYPE_RAW_DECAP:
4275 raw_decap_idx = actions_n;
4277 case RTE_FLOW_ACTION_TYPE_RAW_ENCAP:
4278 raw_encap = actions->conf;
4279 if (raw_encap->size > MLX5_ENCAPSULATION_DECISION_SIZE)
4280 *encap_idx = raw_decap_idx != -1 ?
4281 raw_decap_idx : actions_n;
4283 case RTE_FLOW_ACTION_TYPE_QUEUE:
4284 case RTE_FLOW_ACTION_TYPE_RSS:
4292 if (*encap_idx == -1)
4293 *encap_idx = actions_n;
4294 /* Count RTE_FLOW_ACTION_TYPE_END. */
4295 return actions_n + 1;
4299 * Check if the action will change packet.
4302 * Pointer to Ethernet device.
4307 * true if action will change packet, false otherwise.
4309 static bool flow_check_modify_action_type(struct rte_eth_dev *dev,
4310 enum rte_flow_action_type type)
4312 struct mlx5_priv *priv = dev->data->dev_private;
4315 case RTE_FLOW_ACTION_TYPE_SET_MAC_SRC:
4316 case RTE_FLOW_ACTION_TYPE_SET_MAC_DST:
4317 case RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC:
4318 case RTE_FLOW_ACTION_TYPE_SET_IPV4_DST:
4319 case RTE_FLOW_ACTION_TYPE_SET_IPV6_SRC:
4320 case RTE_FLOW_ACTION_TYPE_SET_IPV6_DST:
4321 case RTE_FLOW_ACTION_TYPE_SET_TP_SRC:
4322 case RTE_FLOW_ACTION_TYPE_SET_TP_DST:
4323 case RTE_FLOW_ACTION_TYPE_DEC_TTL:
4324 case RTE_FLOW_ACTION_TYPE_SET_TTL:
4325 case RTE_FLOW_ACTION_TYPE_INC_TCP_SEQ:
4326 case RTE_FLOW_ACTION_TYPE_DEC_TCP_SEQ:
4327 case RTE_FLOW_ACTION_TYPE_INC_TCP_ACK:
4328 case RTE_FLOW_ACTION_TYPE_DEC_TCP_ACK:
4329 case RTE_FLOW_ACTION_TYPE_SET_IPV4_DSCP:
4330 case RTE_FLOW_ACTION_TYPE_SET_IPV6_DSCP:
4331 case RTE_FLOW_ACTION_TYPE_SET_META:
4332 case RTE_FLOW_ACTION_TYPE_SET_TAG:
4333 case RTE_FLOW_ACTION_TYPE_OF_POP_VLAN:
4334 case RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN:
4335 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID:
4336 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_PCP:
4337 case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
4338 case RTE_FLOW_ACTION_TYPE_VXLAN_DECAP:
4339 case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP:
4340 case RTE_FLOW_ACTION_TYPE_NVGRE_DECAP:
4341 case RTE_FLOW_ACTION_TYPE_RAW_ENCAP:
4342 case RTE_FLOW_ACTION_TYPE_RAW_DECAP:
4343 case RTE_FLOW_ACTION_TYPE_MODIFY_FIELD:
4345 case RTE_FLOW_ACTION_TYPE_FLAG:
4346 case RTE_FLOW_ACTION_TYPE_MARK:
4347 if (priv->sh->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY)
4357 * Check meter action from the action list.
4360 * Pointer to Ethernet device.
4361 * @param[in] actions
4362 * Pointer to the list of actions.
4363 * @param[out] has_mtr
4364 * Pointer to the meter exist flag.
4365 * @param[out] has_modify
4366 * Pointer to the flag showing there's packet change action.
4367 * @param[out] meter_id
4368 * Pointer to the meter id.
4371 * Total number of actions.
4374 flow_check_meter_action(struct rte_eth_dev *dev,
4375 const struct rte_flow_action actions[],
4376 bool *has_mtr, bool *has_modify, uint32_t *meter_id)
4378 const struct rte_flow_action_meter *mtr = NULL;
4381 MLX5_ASSERT(has_mtr);
4383 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
4384 switch (actions->type) {
4385 case RTE_FLOW_ACTION_TYPE_METER:
4386 mtr = actions->conf;
4387 *meter_id = mtr->mtr_id;
4394 *has_modify |= flow_check_modify_action_type(dev,
4398 /* Count RTE_FLOW_ACTION_TYPE_END. */
4399 return actions_n + 1;
4403 * Check if the flow should be split due to hairpin.
4404 * The reason for the split is that in current HW we can't
4405 * support encap and push-vlan on Rx, so if a flow contains
4406 * these actions we move it to Tx.
4409 * Pointer to Ethernet device.
4411 * Flow rule attributes.
4412 * @param[in] actions
4413 * Associated actions (list terminated by the END action).
4416 * > 0 the number of actions and the flow should be split,
4417 * 0 when no split required.
4420 flow_check_hairpin_split(struct rte_eth_dev *dev,
4421 const struct rte_flow_attr *attr,
4422 const struct rte_flow_action actions[])
4424 int queue_action = 0;
4427 const struct rte_flow_action_queue *queue;
4428 const struct rte_flow_action_rss *rss;
4429 const struct rte_flow_action_raw_encap *raw_encap;
4430 const struct rte_eth_hairpin_conf *conf;
4434 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
4435 switch (actions->type) {
4436 case RTE_FLOW_ACTION_TYPE_QUEUE:
4437 queue = actions->conf;
4440 conf = mlx5_rxq_get_hairpin_conf(dev, queue->index);
4441 if (conf == NULL || conf->tx_explicit != 0)
4446 case RTE_FLOW_ACTION_TYPE_RSS:
4447 rss = actions->conf;
4448 if (rss == NULL || rss->queue_num == 0)
4450 conf = mlx5_rxq_get_hairpin_conf(dev, rss->queue[0]);
4451 if (conf == NULL || conf->tx_explicit != 0)
4456 case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
4457 case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP:
4458 case RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN:
4459 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID:
4460 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_PCP:
4464 case RTE_FLOW_ACTION_TYPE_RAW_ENCAP:
4465 raw_encap = actions->conf;
4466 if (raw_encap->size > MLX5_ENCAPSULATION_DECISION_SIZE)
4475 if (split && queue_action)
4480 /* Declare flow create/destroy prototype in advance. */
4482 flow_list_create(struct rte_eth_dev *dev, enum mlx5_flow_type type,
4483 const struct rte_flow_attr *attr,
4484 const struct rte_flow_item items[],
4485 const struct rte_flow_action actions[],
4486 bool external, struct rte_flow_error *error);
4489 flow_list_destroy(struct rte_eth_dev *dev, enum mlx5_flow_type type,
4493 flow_dv_mreg_match_cb(void *tool_ctx __rte_unused,
4494 struct mlx5_list_entry *entry, void *cb_ctx)
4496 struct mlx5_flow_cb_ctx *ctx = cb_ctx;
4497 struct mlx5_flow_mreg_copy_resource *mcp_res =
4498 container_of(entry, typeof(*mcp_res), hlist_ent);
4500 return mcp_res->mark_id != *(uint32_t *)(ctx->data);
4503 struct mlx5_list_entry *
4504 flow_dv_mreg_create_cb(void *tool_ctx, void *cb_ctx)
4506 struct rte_eth_dev *dev = tool_ctx;
4507 struct mlx5_priv *priv = dev->data->dev_private;
4508 struct mlx5_flow_cb_ctx *ctx = cb_ctx;
4509 struct mlx5_flow_mreg_copy_resource *mcp_res;
4510 struct rte_flow_error *error = ctx->error;
4513 uint32_t mark_id = *(uint32_t *)(ctx->data);
4514 struct rte_flow_attr attr = {
4515 .group = MLX5_FLOW_MREG_CP_TABLE_GROUP,
4518 struct mlx5_rte_flow_item_tag tag_spec = {
4521 struct rte_flow_item items[] = {
4522 [1] = { .type = RTE_FLOW_ITEM_TYPE_END, },
4524 struct rte_flow_action_mark ftag = {
4527 struct mlx5_flow_action_copy_mreg cp_mreg = {
4531 struct rte_flow_action_jump jump = {
4532 .group = MLX5_FLOW_MREG_ACT_TABLE_GROUP,
4534 struct rte_flow_action actions[] = {
4535 [3] = { .type = RTE_FLOW_ACTION_TYPE_END, },
4538 /* Fill the register fields in the flow. */
4539 ret = mlx5_flow_get_reg_id(dev, MLX5_FLOW_MARK, 0, error);
4543 ret = mlx5_flow_get_reg_id(dev, MLX5_METADATA_RX, 0, error);
4547 /* Provide the full width of FLAG specific value. */
4548 if (mark_id == (priv->sh->dv_regc0_mask & MLX5_FLOW_MARK_DEFAULT))
4549 tag_spec.data = MLX5_FLOW_MARK_DEFAULT;
4550 /* Build a new flow. */
4551 if (mark_id != MLX5_DEFAULT_COPY_ID) {
4552 items[0] = (struct rte_flow_item){
4553 .type = (enum rte_flow_item_type)
4554 MLX5_RTE_FLOW_ITEM_TYPE_TAG,
4557 items[1] = (struct rte_flow_item){
4558 .type = RTE_FLOW_ITEM_TYPE_END,
4560 actions[0] = (struct rte_flow_action){
4561 .type = (enum rte_flow_action_type)
4562 MLX5_RTE_FLOW_ACTION_TYPE_MARK,
4565 actions[1] = (struct rte_flow_action){
4566 .type = (enum rte_flow_action_type)
4567 MLX5_RTE_FLOW_ACTION_TYPE_COPY_MREG,
4570 actions[2] = (struct rte_flow_action){
4571 .type = RTE_FLOW_ACTION_TYPE_JUMP,
4574 actions[3] = (struct rte_flow_action){
4575 .type = RTE_FLOW_ACTION_TYPE_END,
4578 /* Default rule, wildcard match. */
4579 attr.priority = MLX5_FLOW_LOWEST_PRIO_INDICATOR;
4580 items[0] = (struct rte_flow_item){
4581 .type = RTE_FLOW_ITEM_TYPE_END,
4583 actions[0] = (struct rte_flow_action){
4584 .type = (enum rte_flow_action_type)
4585 MLX5_RTE_FLOW_ACTION_TYPE_COPY_MREG,
4588 actions[1] = (struct rte_flow_action){
4589 .type = RTE_FLOW_ACTION_TYPE_JUMP,
4592 actions[2] = (struct rte_flow_action){
4593 .type = RTE_FLOW_ACTION_TYPE_END,
4596 /* Build a new entry. */
4597 mcp_res = mlx5_ipool_zmalloc(priv->sh->ipool[MLX5_IPOOL_MCP], &idx);
4603 mcp_res->mark_id = mark_id;
4605 * The copy Flows are not included in any list. There
4606 * ones are referenced from other Flows and can not
4607 * be applied, removed, deleted in arbitrary order
4608 * by list traversing.
4610 mcp_res->rix_flow = flow_list_create(dev, MLX5_FLOW_TYPE_MCP,
4611 &attr, items, actions, false, error);
4612 if (!mcp_res->rix_flow) {
4613 mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_MCP], idx);
4616 return &mcp_res->hlist_ent;
4619 struct mlx5_list_entry *
4620 flow_dv_mreg_clone_cb(void *tool_ctx, struct mlx5_list_entry *oentry,
4621 void *cb_ctx __rte_unused)
4623 struct rte_eth_dev *dev = tool_ctx;
4624 struct mlx5_priv *priv = dev->data->dev_private;
4625 struct mlx5_flow_mreg_copy_resource *mcp_res;
4628 mcp_res = mlx5_ipool_malloc(priv->sh->ipool[MLX5_IPOOL_MCP], &idx);
4633 memcpy(mcp_res, oentry, sizeof(*mcp_res));
4635 return &mcp_res->hlist_ent;
4639 flow_dv_mreg_clone_free_cb(void *tool_ctx, struct mlx5_list_entry *entry)
4641 struct mlx5_flow_mreg_copy_resource *mcp_res =
4642 container_of(entry, typeof(*mcp_res), hlist_ent);
4643 struct rte_eth_dev *dev = tool_ctx;
4644 struct mlx5_priv *priv = dev->data->dev_private;
4646 mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_MCP], mcp_res->idx);
4650 * Add a flow of copying flow metadata registers in RX_CP_TBL.
4652 * As mark_id is unique, if there's already a registered flow for the mark_id,
4653 * return by increasing the reference counter of the resource. Otherwise, create
4654 * the resource (mcp_res) and flow.
4657 * - If ingress port is ANY and reg_c[1] is mark_id,
4658 * flow_tag := mark_id, reg_b := reg_c[0] and jump to RX_ACT_TBL.
4660 * For default flow (zero mark_id), flow is like,
4661 * - If ingress port is ANY,
4662 * reg_b := reg_c[0] and jump to RX_ACT_TBL.
4665 * Pointer to Ethernet device.
4667 * ID of MARK action, zero means default flow for META.
4669 * Perform verbose error reporting if not NULL.
4672 * Associated resource on success, NULL otherwise and rte_errno is set.
4674 static struct mlx5_flow_mreg_copy_resource *
4675 flow_mreg_add_copy_action(struct rte_eth_dev *dev, uint32_t mark_id,
4676 struct rte_flow_error *error)
4678 struct mlx5_priv *priv = dev->data->dev_private;
4679 struct mlx5_list_entry *entry;
4680 struct mlx5_flow_cb_ctx ctx = {
4686 /* Check if already registered. */
4687 MLX5_ASSERT(priv->mreg_cp_tbl);
4688 entry = mlx5_hlist_register(priv->mreg_cp_tbl, mark_id, &ctx);
4691 return container_of(entry, struct mlx5_flow_mreg_copy_resource,
4696 flow_dv_mreg_remove_cb(void *tool_ctx, struct mlx5_list_entry *entry)
4698 struct mlx5_flow_mreg_copy_resource *mcp_res =
4699 container_of(entry, typeof(*mcp_res), hlist_ent);
4700 struct rte_eth_dev *dev = tool_ctx;
4701 struct mlx5_priv *priv = dev->data->dev_private;
4703 MLX5_ASSERT(mcp_res->rix_flow);
4704 flow_list_destroy(dev, MLX5_FLOW_TYPE_MCP, mcp_res->rix_flow);
4705 mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_MCP], mcp_res->idx);
4709 * Release flow in RX_CP_TBL.
4712 * Pointer to Ethernet device.
4714 * Parent flow for wich copying is provided.
4717 flow_mreg_del_copy_action(struct rte_eth_dev *dev,
4718 struct rte_flow *flow)
4720 struct mlx5_flow_mreg_copy_resource *mcp_res;
4721 struct mlx5_priv *priv = dev->data->dev_private;
4723 if (!flow->rix_mreg_copy)
4725 mcp_res = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_MCP],
4726 flow->rix_mreg_copy);
4727 if (!mcp_res || !priv->mreg_cp_tbl)
4729 MLX5_ASSERT(mcp_res->rix_flow);
4730 mlx5_hlist_unregister(priv->mreg_cp_tbl, &mcp_res->hlist_ent);
4731 flow->rix_mreg_copy = 0;
4735 * Remove the default copy action from RX_CP_TBL.
4737 * This functions is called in the mlx5_dev_start(). No thread safe
4741 * Pointer to Ethernet device.
4744 flow_mreg_del_default_copy_action(struct rte_eth_dev *dev)
4746 struct mlx5_list_entry *entry;
4747 struct mlx5_priv *priv = dev->data->dev_private;
4748 struct mlx5_flow_cb_ctx ctx;
4751 /* Check if default flow is registered. */
4752 if (!priv->mreg_cp_tbl)
4754 mark_id = MLX5_DEFAULT_COPY_ID;
4755 ctx.data = &mark_id;
4756 entry = mlx5_hlist_lookup(priv->mreg_cp_tbl, mark_id, &ctx);
4759 mlx5_hlist_unregister(priv->mreg_cp_tbl, entry);
4763 * Add the default copy action in in RX_CP_TBL.
4765 * This functions is called in the mlx5_dev_start(). No thread safe
4769 * Pointer to Ethernet device.
4771 * Perform verbose error reporting if not NULL.
4774 * 0 for success, negative value otherwise and rte_errno is set.
4777 flow_mreg_add_default_copy_action(struct rte_eth_dev *dev,
4778 struct rte_flow_error *error)
4780 struct mlx5_priv *priv = dev->data->dev_private;
4781 struct mlx5_flow_mreg_copy_resource *mcp_res;
4782 struct mlx5_flow_cb_ctx ctx;
4785 /* Check whether extensive metadata feature is engaged. */
4786 if (!priv->sh->config.dv_flow_en ||
4787 priv->sh->config.dv_xmeta_en == MLX5_XMETA_MODE_LEGACY ||
4788 !mlx5_flow_ext_mreg_supported(dev) ||
4789 !priv->sh->dv_regc0_mask)
4792 * Add default mreg copy flow may be called multiple time, but
4793 * only be called once in stop. Avoid register it twice.
4795 mark_id = MLX5_DEFAULT_COPY_ID;
4796 ctx.data = &mark_id;
4797 if (mlx5_hlist_lookup(priv->mreg_cp_tbl, mark_id, &ctx))
4799 mcp_res = flow_mreg_add_copy_action(dev, mark_id, error);
4806 * Add a flow of copying flow metadata registers in RX_CP_TBL.
4808 * All the flow having Q/RSS action should be split by
4809 * flow_mreg_split_qrss_prep() to pass by RX_CP_TBL. A flow in the RX_CP_TBL
4810 * performs the following,
4811 * - CQE->flow_tag := reg_c[1] (MARK)
4812 * - CQE->flow_table_metadata (reg_b) := reg_c[0] (META)
4813 * As CQE's flow_tag is not a register, it can't be simply copied from reg_c[1]
4814 * but there should be a flow per each MARK ID set by MARK action.
4816 * For the aforementioned reason, if there's a MARK action in flow's action
4817 * list, a corresponding flow should be added to the RX_CP_TBL in order to copy
4818 * the MARK ID to CQE's flow_tag like,
4819 * - If reg_c[1] is mark_id,
4820 * flow_tag := mark_id, reg_b := reg_c[0] and jump to RX_ACT_TBL.
4822 * For SET_META action which stores value in reg_c[0], as the destination is
4823 * also a flow metadata register (reg_b), adding a default flow is enough. Zero
4824 * MARK ID means the default flow. The default flow looks like,
4825 * - For all flow, reg_b := reg_c[0] and jump to RX_ACT_TBL.
4828 * Pointer to Ethernet device.
4830 * Pointer to flow structure.
4831 * @param[in] actions
4832 * Pointer to the list of actions.
4834 * Perform verbose error reporting if not NULL.
4837 * 0 on success, negative value otherwise and rte_errno is set.
4840 flow_mreg_update_copy_table(struct rte_eth_dev *dev,
4841 struct rte_flow *flow,
4842 const struct rte_flow_action *actions,
4843 struct rte_flow_error *error)
4845 struct mlx5_priv *priv = dev->data->dev_private;
4846 struct mlx5_sh_config *config = &priv->sh->config;
4847 struct mlx5_flow_mreg_copy_resource *mcp_res;
4848 const struct rte_flow_action_mark *mark;
4850 /* Check whether extensive metadata feature is engaged. */
4851 if (!config->dv_flow_en ||
4852 config->dv_xmeta_en == MLX5_XMETA_MODE_LEGACY ||
4853 !mlx5_flow_ext_mreg_supported(dev) ||
4854 !priv->sh->dv_regc0_mask)
4856 /* Find MARK action. */
4857 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
4858 switch (actions->type) {
4859 case RTE_FLOW_ACTION_TYPE_FLAG:
4860 mcp_res = flow_mreg_add_copy_action
4861 (dev, MLX5_FLOW_MARK_DEFAULT, error);
4864 flow->rix_mreg_copy = mcp_res->idx;
4866 case RTE_FLOW_ACTION_TYPE_MARK:
4867 mark = (const struct rte_flow_action_mark *)
4870 flow_mreg_add_copy_action(dev, mark->id, error);
4873 flow->rix_mreg_copy = mcp_res->idx;
4882 #define MLX5_MAX_SPLIT_ACTIONS 24
4883 #define MLX5_MAX_SPLIT_ITEMS 24
4886 * Split the hairpin flow.
4887 * Since HW can't support encap and push-vlan on Rx, we move these
4889 * If the count action is after the encap then we also
4890 * move the count action. in this case the count will also measure
4894 * Pointer to Ethernet device.
4895 * @param[in] actions
4896 * Associated actions (list terminated by the END action).
4897 * @param[out] actions_rx
4899 * @param[out] actions_tx
4901 * @param[out] pattern_tx
4902 * The pattern items for the Tx flow.
4903 * @param[out] flow_id
4904 * The flow ID connected to this flow.
4910 flow_hairpin_split(struct rte_eth_dev *dev,
4911 const struct rte_flow_action actions[],
4912 struct rte_flow_action actions_rx[],
4913 struct rte_flow_action actions_tx[],
4914 struct rte_flow_item pattern_tx[],
4917 const struct rte_flow_action_raw_encap *raw_encap;
4918 const struct rte_flow_action_raw_decap *raw_decap;
4919 struct mlx5_rte_flow_action_set_tag *set_tag;
4920 struct rte_flow_action *tag_action;
4921 struct mlx5_rte_flow_item_tag *tag_item;
4922 struct rte_flow_item *item;
4926 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
4927 switch (actions->type) {
4928 case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
4929 case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP:
4930 case RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN:
4931 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID:
4932 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_PCP:
4933 rte_memcpy(actions_tx, actions,
4934 sizeof(struct rte_flow_action));
4937 case RTE_FLOW_ACTION_TYPE_COUNT:
4939 rte_memcpy(actions_tx, actions,
4940 sizeof(struct rte_flow_action));
4943 rte_memcpy(actions_rx, actions,
4944 sizeof(struct rte_flow_action));
4948 case RTE_FLOW_ACTION_TYPE_RAW_ENCAP:
4949 raw_encap = actions->conf;
4950 if (raw_encap->size > MLX5_ENCAPSULATION_DECISION_SIZE) {
4951 memcpy(actions_tx, actions,
4952 sizeof(struct rte_flow_action));
4956 rte_memcpy(actions_rx, actions,
4957 sizeof(struct rte_flow_action));
4961 case RTE_FLOW_ACTION_TYPE_RAW_DECAP:
4962 raw_decap = actions->conf;
4963 if (raw_decap->size < MLX5_ENCAPSULATION_DECISION_SIZE) {
4964 memcpy(actions_tx, actions,
4965 sizeof(struct rte_flow_action));
4968 rte_memcpy(actions_rx, actions,
4969 sizeof(struct rte_flow_action));
4974 rte_memcpy(actions_rx, actions,
4975 sizeof(struct rte_flow_action));
4980 /* Add set meta action and end action for the Rx flow. */
4981 tag_action = actions_rx;
4982 tag_action->type = (enum rte_flow_action_type)
4983 MLX5_RTE_FLOW_ACTION_TYPE_TAG;
4985 rte_memcpy(actions_rx, actions, sizeof(struct rte_flow_action));
4987 set_tag = (void *)actions_rx;
4988 *set_tag = (struct mlx5_rte_flow_action_set_tag) {
4989 .id = mlx5_flow_get_reg_id(dev, MLX5_HAIRPIN_RX, 0, NULL),
4992 MLX5_ASSERT(set_tag->id > REG_NON);
4993 tag_action->conf = set_tag;
4994 /* Create Tx item list. */
4995 rte_memcpy(actions_tx, actions, sizeof(struct rte_flow_action));
4996 addr = (void *)&pattern_tx[2];
4998 item->type = (enum rte_flow_item_type)
4999 MLX5_RTE_FLOW_ITEM_TYPE_TAG;
5000 tag_item = (void *)addr;
5001 tag_item->data = flow_id;
5002 tag_item->id = mlx5_flow_get_reg_id(dev, MLX5_HAIRPIN_TX, 0, NULL);
5003 MLX5_ASSERT(set_tag->id > REG_NON);
5004 item->spec = tag_item;
5005 addr += sizeof(struct mlx5_rte_flow_item_tag);
5006 tag_item = (void *)addr;
5007 tag_item->data = UINT32_MAX;
5008 tag_item->id = UINT16_MAX;
5009 item->mask = tag_item;
5012 item->type = RTE_FLOW_ITEM_TYPE_END;
5017 * The last stage of splitting chain, just creates the subflow
5018 * without any modification.
5021 * Pointer to Ethernet device.
5023 * Parent flow structure pointer.
5024 * @param[in, out] sub_flow
5025 * Pointer to return the created subflow, may be NULL.
5027 * Flow rule attributes.
5029 * Pattern specification (list terminated by the END pattern item).
5030 * @param[in] actions
5031 * Associated actions (list terminated by the END action).
5032 * @param[in] flow_split_info
5033 * Pointer to flow split info structure.
5035 * Perform verbose error reporting if not NULL.
5037 * 0 on success, negative value otherwise
5040 flow_create_split_inner(struct rte_eth_dev *dev,
5041 struct rte_flow *flow,
5042 struct mlx5_flow **sub_flow,
5043 const struct rte_flow_attr *attr,
5044 const struct rte_flow_item items[],
5045 const struct rte_flow_action actions[],
5046 struct mlx5_flow_split_info *flow_split_info,
5047 struct rte_flow_error *error)
5049 struct mlx5_flow *dev_flow;
5050 struct mlx5_flow_workspace *wks = mlx5_flow_get_thread_workspace();
5052 dev_flow = flow_drv_prepare(dev, flow, attr, items, actions,
5053 flow_split_info->flow_idx, error);
5056 dev_flow->flow = flow;
5057 dev_flow->external = flow_split_info->external;
5058 dev_flow->skip_scale = flow_split_info->skip_scale;
5059 /* Subflow object was created, we must include one in the list. */
5060 SILIST_INSERT(&flow->dev_handles, dev_flow->handle_idx,
5061 dev_flow->handle, next);
5063 * If dev_flow is as one of the suffix flow, some actions in suffix
5064 * flow may need some user defined item layer flags, and pass the
5065 * Metadata rxq mark flag to suffix flow as well.
5067 if (flow_split_info->prefix_layers)
5068 dev_flow->handle->layers = flow_split_info->prefix_layers;
5069 if (flow_split_info->prefix_mark) {
5074 *sub_flow = dev_flow;
5075 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
5076 dev_flow->dv.table_id = flow_split_info->table_id;
5078 return flow_drv_translate(dev, dev_flow, attr, items, actions, error);
5082 * Get the sub policy of a meter.
5085 * Pointer to Ethernet device.
5087 * Parent flow structure pointer.
5089 * Pointer to thread flow work space.
5091 * Flow rule attributes.
5093 * Pattern specification (list terminated by the END pattern item).
5095 * Perform verbose error reporting if not NULL.
5098 * Pointer to the meter sub policy, NULL otherwise and rte_errno is set.
5100 static struct mlx5_flow_meter_sub_policy *
5101 get_meter_sub_policy(struct rte_eth_dev *dev,
5102 struct rte_flow *flow,
5103 struct mlx5_flow_workspace *wks,
5104 const struct rte_flow_attr *attr,
5105 const struct rte_flow_item items[],
5106 struct rte_flow_error *error)
5108 struct mlx5_flow_meter_policy *policy;
5109 struct mlx5_flow_meter_policy *final_policy;
5110 struct mlx5_flow_meter_sub_policy *sub_policy = NULL;
5112 policy = wks->policy;
5113 final_policy = policy->is_hierarchy ? wks->final_policy : policy;
5114 if (final_policy->is_rss || final_policy->is_queue) {
5115 struct mlx5_flow_rss_desc rss_desc_v[MLX5_MTR_RTE_COLORS];
5116 struct mlx5_flow_rss_desc *rss_desc[MLX5_MTR_RTE_COLORS] = {0};
5120 * This is a tmp dev_flow,
5121 * no need to register any matcher for it in translate.
5123 wks->skip_matcher_reg = 1;
5124 for (i = 0; i < MLX5_MTR_RTE_COLORS; i++) {
5125 struct mlx5_flow dev_flow = {0};
5126 struct mlx5_flow_handle dev_handle = { {0} };
5127 uint8_t fate = final_policy->act_cnt[i].fate_action;
5129 if (fate == MLX5_FLOW_FATE_SHARED_RSS) {
5130 const struct rte_flow_action_rss *rss_act =
5131 final_policy->act_cnt[i].rss->conf;
5132 struct rte_flow_action rss_actions[2] = {
5134 .type = RTE_FLOW_ACTION_TYPE_RSS,
5138 .type = RTE_FLOW_ACTION_TYPE_END,
5143 dev_flow.handle = &dev_handle;
5144 dev_flow.ingress = attr->ingress;
5145 dev_flow.flow = flow;
5146 dev_flow.external = 0;
5147 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
5148 dev_flow.dv.transfer = attr->transfer;
5151 * Translate RSS action to get rss hash fields.
5153 if (flow_drv_translate(dev, &dev_flow, attr,
5154 items, rss_actions, error))
5156 rss_desc_v[i] = wks->rss_desc;
5157 rss_desc_v[i].key_len = MLX5_RSS_HASH_KEY_LEN;
5158 rss_desc_v[i].hash_fields =
5159 dev_flow.hash_fields;
5160 rss_desc_v[i].queue_num =
5161 rss_desc_v[i].hash_fields ?
5162 rss_desc_v[i].queue_num : 1;
5163 rss_desc_v[i].tunnel =
5164 !!(dev_flow.handle->layers &
5165 MLX5_FLOW_LAYER_TUNNEL);
5166 /* Use the RSS queues in the containers. */
5167 rss_desc_v[i].queue =
5168 (uint16_t *)(uintptr_t)rss_act->queue;
5169 rss_desc[i] = &rss_desc_v[i];
5170 } else if (fate == MLX5_FLOW_FATE_QUEUE) {
5171 /* This is queue action. */
5172 rss_desc_v[i] = wks->rss_desc;
5173 rss_desc_v[i].key_len = 0;
5174 rss_desc_v[i].hash_fields = 0;
5175 rss_desc_v[i].queue =
5176 &final_policy->act_cnt[i].queue;
5177 rss_desc_v[i].queue_num = 1;
5178 rss_desc[i] = &rss_desc_v[i];
5183 sub_policy = flow_drv_meter_sub_policy_rss_prepare(dev,
5184 flow, policy, rss_desc);
5186 enum mlx5_meter_domain mtr_domain =
5187 attr->transfer ? MLX5_MTR_DOMAIN_TRANSFER :
5188 (attr->egress ? MLX5_MTR_DOMAIN_EGRESS :
5189 MLX5_MTR_DOMAIN_INGRESS);
5190 sub_policy = policy->sub_policys[mtr_domain][0];
5193 rte_flow_error_set(error, EINVAL,
5194 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
5195 "Failed to get meter sub-policy.");
5201 * Split the meter flow.
5203 * As meter flow will split to three sub flow, other than meter
5204 * action, the other actions make sense to only meter accepts
5205 * the packet. If it need to be dropped, no other additional
5206 * actions should be take.
5208 * One kind of special action which decapsulates the L3 tunnel
5209 * header will be in the prefix sub flow, as not to take the
5210 * L3 tunnel header into account.
5213 * Pointer to Ethernet device.
5215 * Parent flow structure pointer.
5217 * Pointer to thread flow work space.
5219 * Flow rule attributes.
5221 * Pattern specification (list terminated by the END pattern item).
5222 * @param[out] sfx_items
5223 * Suffix flow match items (list terminated by the END pattern item).
5224 * @param[in] actions
5225 * Associated actions (list terminated by the END action).
5226 * @param[out] actions_sfx
5227 * Suffix flow actions.
5228 * @param[out] actions_pre
5229 * Prefix flow actions.
5230 * @param[out] mtr_flow_id
5231 * Pointer to meter flow id.
5233 * Perform verbose error reporting if not NULL.
5236 * 0 on success, a negative errno value otherwise and rte_errno is set.
5239 flow_meter_split_prep(struct rte_eth_dev *dev,
5240 struct rte_flow *flow,
5241 struct mlx5_flow_workspace *wks,
5242 const struct rte_flow_attr *attr,
5243 const struct rte_flow_item items[],
5244 struct rte_flow_item sfx_items[],
5245 const struct rte_flow_action actions[],
5246 struct rte_flow_action actions_sfx[],
5247 struct rte_flow_action actions_pre[],
5248 uint32_t *mtr_flow_id,
5249 struct rte_flow_error *error)
5251 struct mlx5_priv *priv = dev->data->dev_private;
5252 struct mlx5_flow_meter_info *fm = wks->fm;
5253 struct rte_flow_action *tag_action = NULL;
5254 struct rte_flow_item *tag_item;
5255 struct mlx5_rte_flow_action_set_tag *set_tag;
5256 const struct rte_flow_action_raw_encap *raw_encap;
5257 const struct rte_flow_action_raw_decap *raw_decap;
5258 struct mlx5_rte_flow_item_tag *tag_item_spec;
5259 struct mlx5_rte_flow_item_tag *tag_item_mask;
5260 uint32_t tag_id = 0;
5261 struct rte_flow_item *vlan_item_dst = NULL;
5262 const struct rte_flow_item *vlan_item_src = NULL;
5263 const struct rte_flow_item *orig_items = items;
5264 struct rte_flow_action *hw_mtr_action;
5265 struct rte_flow_action *action_pre_head = NULL;
5266 int32_t flow_src_port = priv->representor_id;
5268 uint8_t mtr_id_offset = priv->mtr_reg_share ? MLX5_MTR_COLOR_BITS : 0;
5269 uint8_t mtr_reg_bits = priv->mtr_reg_share ?
5270 MLX5_MTR_IDLE_BITS_IN_COLOR_REG : MLX5_REG_BITS;
5271 uint32_t flow_id = 0;
5272 uint32_t flow_id_reversed = 0;
5273 uint8_t flow_id_bits = 0;
5276 /* Prepare the suffix subflow items. */
5277 tag_item = sfx_items++;
5278 for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
5279 struct mlx5_priv *port_priv;
5280 const struct rte_flow_item_port_id *pid_v;
5281 int item_type = items->type;
5283 switch (item_type) {
5284 case RTE_FLOW_ITEM_TYPE_PORT_ID:
5285 pid_v = items->spec;
5287 port_priv = mlx5_port_to_eswitch_info(pid_v->id, false);
5289 return rte_flow_error_set(error,
5291 RTE_FLOW_ERROR_TYPE_ITEM_SPEC,
5293 "Failed to get port info.");
5294 flow_src_port = port_priv->representor_id;
5295 if (!fm->def_policy && wks->policy->is_hierarchy &&
5296 flow_src_port != priv->representor_id) {
5297 if (flow_drv_mtr_hierarchy_rule_create(dev,
5304 memcpy(sfx_items, items, sizeof(*sfx_items));
5307 case RTE_FLOW_ITEM_TYPE_VLAN:
5308 /* Determine if copy vlan item below. */
5309 vlan_item_src = items;
5310 vlan_item_dst = sfx_items++;
5311 vlan_item_dst->type = RTE_FLOW_ITEM_TYPE_VOID;
5317 sfx_items->type = RTE_FLOW_ITEM_TYPE_END;
5319 mtr_first = priv->sh->meter_aso_en &&
5320 (attr->egress || (attr->transfer && flow_src_port != UINT16_MAX));
5321 /* For ASO meter, meter must be before tag in TX direction. */
5323 action_pre_head = actions_pre++;
5324 /* Leave space for tag action. */
5325 tag_action = actions_pre++;
5327 /* Prepare the actions for prefix and suffix flow. */
5328 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
5329 struct rte_flow_action *action_cur = NULL;
5331 switch (actions->type) {
5332 case RTE_FLOW_ACTION_TYPE_METER:
5334 action_cur = action_pre_head;
5336 /* Leave space for tag action. */
5337 tag_action = actions_pre++;
5338 action_cur = actions_pre++;
5341 case RTE_FLOW_ACTION_TYPE_VXLAN_DECAP:
5342 case RTE_FLOW_ACTION_TYPE_NVGRE_DECAP:
5343 action_cur = actions_pre++;
5345 case RTE_FLOW_ACTION_TYPE_RAW_ENCAP:
5346 raw_encap = actions->conf;
5347 if (raw_encap->size < MLX5_ENCAPSULATION_DECISION_SIZE)
5348 action_cur = actions_pre++;
5350 case RTE_FLOW_ACTION_TYPE_RAW_DECAP:
5351 raw_decap = actions->conf;
5352 if (raw_decap->size > MLX5_ENCAPSULATION_DECISION_SIZE)
5353 action_cur = actions_pre++;
5355 case RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN:
5356 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID:
5357 if (vlan_item_dst && vlan_item_src) {
5358 memcpy(vlan_item_dst, vlan_item_src,
5359 sizeof(*vlan_item_dst));
5361 * Convert to internal match item, it is used
5362 * for vlan push and set vid.
5364 vlan_item_dst->type = (enum rte_flow_item_type)
5365 MLX5_RTE_FLOW_ITEM_TYPE_VLAN;
5372 action_cur = (fm->def_policy) ?
5373 actions_sfx++ : actions_pre++;
5374 memcpy(action_cur, actions, sizeof(struct rte_flow_action));
5376 /* Add end action to the actions. */
5377 actions_sfx->type = RTE_FLOW_ACTION_TYPE_END;
5378 if (priv->sh->meter_aso_en) {
5380 * For ASO meter, need to add an extra jump action explicitly,
5381 * to jump from meter to policer table.
5383 struct mlx5_flow_meter_sub_policy *sub_policy;
5384 struct mlx5_flow_tbl_data_entry *tbl_data;
5386 if (!fm->def_policy) {
5387 sub_policy = get_meter_sub_policy(dev, flow, wks,
5393 enum mlx5_meter_domain mtr_domain =
5394 attr->transfer ? MLX5_MTR_DOMAIN_TRANSFER :
5395 (attr->egress ? MLX5_MTR_DOMAIN_EGRESS :
5396 MLX5_MTR_DOMAIN_INGRESS);
5399 &priv->sh->mtrmng->def_policy[mtr_domain]->sub_policy;
5401 tbl_data = container_of(sub_policy->tbl_rsc,
5402 struct mlx5_flow_tbl_data_entry, tbl);
5403 hw_mtr_action = actions_pre++;
5404 hw_mtr_action->type = (enum rte_flow_action_type)
5405 MLX5_RTE_FLOW_ACTION_TYPE_JUMP;
5406 hw_mtr_action->conf = tbl_data->jump.action;
5408 actions_pre->type = RTE_FLOW_ACTION_TYPE_END;
5411 return rte_flow_error_set(error, ENOMEM,
5412 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
5413 NULL, "No tag action space.");
5415 tag_action->type = RTE_FLOW_ACTION_TYPE_VOID;
5418 /* Only default-policy Meter creates mtr flow id. */
5419 if (fm->def_policy) {
5420 mlx5_ipool_malloc(fm->flow_ipool, &tag_id);
5422 return rte_flow_error_set(error, ENOMEM,
5423 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
5424 "Failed to allocate meter flow id.");
5425 flow_id = tag_id - 1;
5426 flow_id_bits = (!flow_id) ? 1 :
5427 (MLX5_REG_BITS - __builtin_clz(flow_id));
5428 if ((flow_id_bits + priv->sh->mtrmng->max_mtr_bits) >
5430 mlx5_ipool_free(fm->flow_ipool, tag_id);
5431 return rte_flow_error_set(error, EINVAL,
5432 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
5433 "Meter flow id exceeds max limit.");
5435 if (flow_id_bits > priv->sh->mtrmng->max_mtr_flow_bits)
5436 priv->sh->mtrmng->max_mtr_flow_bits = flow_id_bits;
5438 /* Build tag actions and items for meter_id/meter flow_id. */
5439 set_tag = (struct mlx5_rte_flow_action_set_tag *)actions_pre;
5440 tag_item_spec = (struct mlx5_rte_flow_item_tag *)sfx_items;
5441 tag_item_mask = tag_item_spec + 1;
5442 /* Both flow_id and meter_id share the same register. */
5443 *set_tag = (struct mlx5_rte_flow_action_set_tag) {
5444 .id = (enum modify_reg)mlx5_flow_get_reg_id(dev, MLX5_MTR_ID,
5446 .offset = mtr_id_offset,
5447 .length = mtr_reg_bits,
5448 .data = flow->meter,
5451 * The color Reg bits used by flow_id are growing from
5452 * msb to lsb, so must do bit reverse for flow_id val in RegC.
5454 for (shift = 0; shift < flow_id_bits; shift++)
5455 flow_id_reversed = (flow_id_reversed << 1) |
5456 ((flow_id >> shift) & 0x1);
5458 flow_id_reversed << (mtr_reg_bits - flow_id_bits);
5459 tag_item_spec->id = set_tag->id;
5460 tag_item_spec->data = set_tag->data << mtr_id_offset;
5461 tag_item_mask->data = UINT32_MAX << mtr_id_offset;
5462 tag_action->type = (enum rte_flow_action_type)
5463 MLX5_RTE_FLOW_ACTION_TYPE_TAG;
5464 tag_action->conf = set_tag;
5465 tag_item->type = (enum rte_flow_item_type)
5466 MLX5_RTE_FLOW_ITEM_TYPE_TAG;
5467 tag_item->spec = tag_item_spec;
5468 tag_item->last = NULL;
5469 tag_item->mask = tag_item_mask;
5472 *mtr_flow_id = tag_id;
5477 * Split action list having QUEUE/RSS for metadata register copy.
5479 * Once Q/RSS action is detected in user's action list, the flow action
5480 * should be split in order to copy metadata registers, which will happen in
5482 * - CQE->flow_tag := reg_c[1] (MARK)
5483 * - CQE->flow_table_metadata (reg_b) := reg_c[0] (META)
5484 * The Q/RSS action will be performed on RX_ACT_TBL after passing by RX_CP_TBL.
5485 * This is because the last action of each flow must be a terminal action
5486 * (QUEUE, RSS or DROP).
5488 * Flow ID must be allocated to identify actions in the RX_ACT_TBL and it is
5489 * stored and kept in the mlx5_flow structure per each sub_flow.
5491 * The Q/RSS action is replaced with,
5492 * - SET_TAG, setting the allocated flow ID to reg_c[2].
5493 * And the following JUMP action is added at the end,
5494 * - JUMP, to RX_CP_TBL.
5496 * A flow to perform remained Q/RSS action will be created in RX_ACT_TBL by
5497 * flow_create_split_metadata() routine. The flow will look like,
5498 * - If flow ID matches (reg_c[2]), perform Q/RSS.
5501 * Pointer to Ethernet device.
5502 * @param[out] split_actions
5503 * Pointer to store split actions to jump to CP_TBL.
5504 * @param[in] actions
5505 * Pointer to the list of original flow actions.
5507 * Pointer to the Q/RSS action.
5508 * @param[in] actions_n
5509 * Number of original actions.
5510 * @param[in] mtr_sfx
5511 * Check if it is in meter suffix table.
5513 * Perform verbose error reporting if not NULL.
5516 * non-zero unique flow_id on success, otherwise 0 and
5517 * error/rte_error are set.
5520 flow_mreg_split_qrss_prep(struct rte_eth_dev *dev,
5521 struct rte_flow_action *split_actions,
5522 const struct rte_flow_action *actions,
5523 const struct rte_flow_action *qrss,
5524 int actions_n, int mtr_sfx,
5525 struct rte_flow_error *error)
5527 struct mlx5_priv *priv = dev->data->dev_private;
5528 struct mlx5_rte_flow_action_set_tag *set_tag;
5529 struct rte_flow_action_jump *jump;
5530 const int qrss_idx = qrss - actions;
5531 uint32_t flow_id = 0;
5535 * Given actions will be split
5536 * - Replace QUEUE/RSS action with SET_TAG to set flow ID.
5537 * - Add jump to mreg CP_TBL.
5538 * As a result, there will be one more action.
5540 memcpy(split_actions, actions, sizeof(*split_actions) * actions_n);
5541 /* Count MLX5_RTE_FLOW_ACTION_TYPE_TAG. */
5543 set_tag = (void *)(split_actions + actions_n);
5545 * If we are not the meter suffix flow, add the tag action.
5546 * Since meter suffix flow already has the tag added.
5550 * Allocate the new subflow ID. This one is unique within
5551 * device and not shared with representors. Otherwise,
5552 * we would have to resolve multi-thread access synch
5553 * issue. Each flow on the shared device is appended
5554 * with source vport identifier, so the resulting
5555 * flows will be unique in the shared (by master and
5556 * representors) domain even if they have coinciding
5559 mlx5_ipool_malloc(priv->sh->ipool
5560 [MLX5_IPOOL_RSS_EXPANTION_FLOW_ID], &flow_id);
5562 return rte_flow_error_set(error, ENOMEM,
5563 RTE_FLOW_ERROR_TYPE_ACTION,
5564 NULL, "can't allocate id "
5565 "for split Q/RSS subflow");
5566 /* Internal SET_TAG action to set flow ID. */
5567 *set_tag = (struct mlx5_rte_flow_action_set_tag){
5570 ret = mlx5_flow_get_reg_id(dev, MLX5_COPY_MARK, 0, error);
5574 /* Construct new actions array. */
5575 /* Replace QUEUE/RSS action. */
5576 split_actions[qrss_idx] = (struct rte_flow_action){
5577 .type = (enum rte_flow_action_type)
5578 MLX5_RTE_FLOW_ACTION_TYPE_TAG,
5583 * If we are the suffix flow of meter, tag already exist.
5584 * Set the QUEUE/RSS action to void.
5586 split_actions[qrss_idx].type = RTE_FLOW_ACTION_TYPE_VOID;
5588 /* JUMP action to jump to mreg copy table (CP_TBL). */
5589 jump = (void *)(set_tag + 1);
5590 *jump = (struct rte_flow_action_jump){
5591 .group = MLX5_FLOW_MREG_CP_TABLE_GROUP,
5593 split_actions[actions_n - 2] = (struct rte_flow_action){
5594 .type = RTE_FLOW_ACTION_TYPE_JUMP,
5597 split_actions[actions_n - 1] = (struct rte_flow_action){
5598 .type = RTE_FLOW_ACTION_TYPE_END,
5604 * Extend the given action list for Tx metadata copy.
5606 * Copy the given action list to the ext_actions and add flow metadata register
5607 * copy action in order to copy reg_a set by WQE to reg_c[0].
5609 * @param[out] ext_actions
5610 * Pointer to the extended action list.
5611 * @param[in] actions
5612 * Pointer to the list of actions.
5613 * @param[in] actions_n
5614 * Number of actions in the list.
5616 * Perform verbose error reporting if not NULL.
5617 * @param[in] encap_idx
5618 * The encap action index.
5621 * 0 on success, negative value otherwise
5624 flow_mreg_tx_copy_prep(struct rte_eth_dev *dev,
5625 struct rte_flow_action *ext_actions,
5626 const struct rte_flow_action *actions,
5627 int actions_n, struct rte_flow_error *error,
5630 struct mlx5_flow_action_copy_mreg *cp_mreg =
5631 (struct mlx5_flow_action_copy_mreg *)
5632 (ext_actions + actions_n + 1);
5635 ret = mlx5_flow_get_reg_id(dev, MLX5_METADATA_RX, 0, error);
5639 ret = mlx5_flow_get_reg_id(dev, MLX5_METADATA_TX, 0, error);
5644 memcpy(ext_actions, actions, sizeof(*ext_actions) * encap_idx);
5645 if (encap_idx == actions_n - 1) {
5646 ext_actions[actions_n - 1] = (struct rte_flow_action){
5647 .type = (enum rte_flow_action_type)
5648 MLX5_RTE_FLOW_ACTION_TYPE_COPY_MREG,
5651 ext_actions[actions_n] = (struct rte_flow_action){
5652 .type = RTE_FLOW_ACTION_TYPE_END,
5655 ext_actions[encap_idx] = (struct rte_flow_action){
5656 .type = (enum rte_flow_action_type)
5657 MLX5_RTE_FLOW_ACTION_TYPE_COPY_MREG,
5660 memcpy(ext_actions + encap_idx + 1, actions + encap_idx,
5661 sizeof(*ext_actions) * (actions_n - encap_idx));
5667 * Check the match action from the action list.
5669 * @param[in] actions
5670 * Pointer to the list of actions.
5672 * Flow rule attributes.
5674 * The action to be check if exist.
5675 * @param[out] match_action_pos
5676 * Pointer to the position of the matched action if exists, otherwise is -1.
5677 * @param[out] qrss_action_pos
5678 * Pointer to the position of the Queue/RSS action if exists, otherwise is -1.
5679 * @param[out] modify_after_mirror
5680 * Pointer to the flag of modify action after FDB mirroring.
5683 * > 0 the total number of actions.
5684 * 0 if not found match action in action list.
5687 flow_check_match_action(const struct rte_flow_action actions[],
5688 const struct rte_flow_attr *attr,
5689 enum rte_flow_action_type action,
5690 int *match_action_pos, int *qrss_action_pos,
5691 int *modify_after_mirror)
5693 const struct rte_flow_action_sample *sample;
5694 const struct rte_flow_action_raw_decap *decap;
5701 *match_action_pos = -1;
5702 *qrss_action_pos = -1;
5703 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
5704 if (actions->type == action) {
5706 *match_action_pos = actions_n;
5708 switch (actions->type) {
5709 case RTE_FLOW_ACTION_TYPE_QUEUE:
5710 case RTE_FLOW_ACTION_TYPE_RSS:
5711 *qrss_action_pos = actions_n;
5713 case RTE_FLOW_ACTION_TYPE_SAMPLE:
5714 sample = actions->conf;
5715 ratio = sample->ratio;
5716 sub_type = ((const struct rte_flow_action *)
5717 (sample->actions))->type;
5718 if (ratio == 1 && attr->transfer)
5721 case RTE_FLOW_ACTION_TYPE_SET_MAC_SRC:
5722 case RTE_FLOW_ACTION_TYPE_SET_MAC_DST:
5723 case RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC:
5724 case RTE_FLOW_ACTION_TYPE_SET_IPV4_DST:
5725 case RTE_FLOW_ACTION_TYPE_SET_IPV6_SRC:
5726 case RTE_FLOW_ACTION_TYPE_SET_IPV6_DST:
5727 case RTE_FLOW_ACTION_TYPE_SET_TP_SRC:
5728 case RTE_FLOW_ACTION_TYPE_SET_TP_DST:
5729 case RTE_FLOW_ACTION_TYPE_DEC_TTL:
5730 case RTE_FLOW_ACTION_TYPE_SET_TTL:
5731 case RTE_FLOW_ACTION_TYPE_INC_TCP_SEQ:
5732 case RTE_FLOW_ACTION_TYPE_DEC_TCP_SEQ:
5733 case RTE_FLOW_ACTION_TYPE_INC_TCP_ACK:
5734 case RTE_FLOW_ACTION_TYPE_DEC_TCP_ACK:
5735 case RTE_FLOW_ACTION_TYPE_SET_IPV4_DSCP:
5736 case RTE_FLOW_ACTION_TYPE_SET_IPV6_DSCP:
5737 case RTE_FLOW_ACTION_TYPE_FLAG:
5738 case RTE_FLOW_ACTION_TYPE_MARK:
5739 case RTE_FLOW_ACTION_TYPE_SET_META:
5740 case RTE_FLOW_ACTION_TYPE_SET_TAG:
5741 case RTE_FLOW_ACTION_TYPE_OF_POP_VLAN:
5742 case RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN:
5743 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID:
5744 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_PCP:
5745 case RTE_FLOW_ACTION_TYPE_VXLAN_DECAP:
5746 case RTE_FLOW_ACTION_TYPE_NVGRE_DECAP:
5747 case RTE_FLOW_ACTION_TYPE_MODIFY_FIELD:
5748 case RTE_FLOW_ACTION_TYPE_METER:
5750 *modify_after_mirror = 1;
5752 case RTE_FLOW_ACTION_TYPE_RAW_DECAP:
5753 decap = actions->conf;
5754 while ((++actions)->type == RTE_FLOW_ACTION_TYPE_VOID)
5757 if (actions->type == RTE_FLOW_ACTION_TYPE_RAW_ENCAP) {
5758 const struct rte_flow_action_raw_encap *encap =
5761 MLX5_ENCAPSULATION_DECISION_SIZE &&
5763 MLX5_ENCAPSULATION_DECISION_SIZE)
5768 *modify_after_mirror = 1;
5775 if (flag && fdb_mirror && !*modify_after_mirror) {
5776 /* FDB mirroring uses the destination array to implement
5777 * instead of FLOW_SAMPLER object.
5779 if (sub_type != RTE_FLOW_ACTION_TYPE_END)
5782 /* Count RTE_FLOW_ACTION_TYPE_END. */
5783 return flag ? actions_n + 1 : 0;
5786 #define SAMPLE_SUFFIX_ITEM 2
5789 * Split the sample flow.
5791 * As sample flow will split to two sub flow, sample flow with
5792 * sample action, the other actions will move to new suffix flow.
5794 * Also add unique tag id with tag action in the sample flow,
5795 * the same tag id will be as match in the suffix flow.
5798 * Pointer to Ethernet device.
5799 * @param[in] add_tag
5800 * Add extra tag action flag.
5801 * @param[out] sfx_items
5802 * Suffix flow match items (list terminated by the END pattern item).
5803 * @param[in] actions
5804 * Associated actions (list terminated by the END action).
5805 * @param[out] actions_sfx
5806 * Suffix flow actions.
5807 * @param[out] actions_pre
5808 * Prefix flow actions.
5809 * @param[in] actions_n
5810 * The total number of actions.
5811 * @param[in] sample_action_pos
5812 * The sample action position.
5813 * @param[in] qrss_action_pos
5814 * The Queue/RSS action position.
5815 * @param[in] jump_table
5816 * Add extra jump action flag.
5818 * Perform verbose error reporting if not NULL.
5821 * 0 on success, or unique flow_id, a negative errno value
5822 * otherwise and rte_errno is set.
5825 flow_sample_split_prep(struct rte_eth_dev *dev,
5827 struct rte_flow_item sfx_items[],
5828 const struct rte_flow_action actions[],
5829 struct rte_flow_action actions_sfx[],
5830 struct rte_flow_action actions_pre[],
5832 int sample_action_pos,
5833 int qrss_action_pos,
5835 struct rte_flow_error *error)
5837 struct mlx5_priv *priv = dev->data->dev_private;
5838 struct mlx5_rte_flow_action_set_tag *set_tag;
5839 struct mlx5_rte_flow_item_tag *tag_spec;
5840 struct mlx5_rte_flow_item_tag *tag_mask;
5841 struct rte_flow_action_jump *jump_action;
5842 uint32_t tag_id = 0;
5844 int append_index = 0;
5847 if (sample_action_pos < 0)
5848 return rte_flow_error_set(error, EINVAL,
5849 RTE_FLOW_ERROR_TYPE_ACTION,
5850 NULL, "invalid position of sample "
5852 /* Prepare the actions for prefix and suffix flow. */
5853 if (qrss_action_pos >= 0 && qrss_action_pos < sample_action_pos) {
5854 index = qrss_action_pos;
5855 /* Put the preceding the Queue/RSS action into prefix flow. */
5857 memcpy(actions_pre, actions,
5858 sizeof(struct rte_flow_action) * index);
5859 /* Put others preceding the sample action into prefix flow. */
5860 if (sample_action_pos > index + 1)
5861 memcpy(actions_pre + index, actions + index + 1,
5862 sizeof(struct rte_flow_action) *
5863 (sample_action_pos - index - 1));
5864 index = sample_action_pos - 1;
5865 /* Put Queue/RSS action into Suffix flow. */
5866 memcpy(actions_sfx, actions + qrss_action_pos,
5867 sizeof(struct rte_flow_action));
5870 index = sample_action_pos;
5872 memcpy(actions_pre, actions,
5873 sizeof(struct rte_flow_action) * index);
5875 /* For CX5, add an extra tag action for NIC-RX and E-Switch ingress.
5876 * For CX6DX and above, metadata registers Cx preserve their value,
5877 * add an extra tag action for NIC-RX and E-Switch Domain.
5880 /* Prepare the prefix tag action. */
5882 set_tag = (void *)(actions_pre + actions_n + append_index);
5883 ret = mlx5_flow_get_reg_id(dev, MLX5_SAMPLE_ID, 0, error);
5886 mlx5_ipool_malloc(priv->sh->ipool
5887 [MLX5_IPOOL_RSS_EXPANTION_FLOW_ID], &tag_id);
5888 *set_tag = (struct mlx5_rte_flow_action_set_tag) {
5892 /* Prepare the suffix subflow items. */
5893 tag_spec = (void *)(sfx_items + SAMPLE_SUFFIX_ITEM);
5894 tag_spec->data = tag_id;
5895 tag_spec->id = set_tag->id;
5896 tag_mask = tag_spec + 1;
5897 tag_mask->data = UINT32_MAX;
5898 sfx_items[0] = (struct rte_flow_item){
5899 .type = (enum rte_flow_item_type)
5900 MLX5_RTE_FLOW_ITEM_TYPE_TAG,
5905 sfx_items[1] = (struct rte_flow_item){
5906 .type = (enum rte_flow_item_type)
5907 RTE_FLOW_ITEM_TYPE_END,
5909 /* Prepare the tag action in prefix subflow. */
5910 actions_pre[index++] =
5911 (struct rte_flow_action){
5912 .type = (enum rte_flow_action_type)
5913 MLX5_RTE_FLOW_ACTION_TYPE_TAG,
5917 memcpy(actions_pre + index, actions + sample_action_pos,
5918 sizeof(struct rte_flow_action));
5920 /* For the modify action after the sample action in E-Switch mirroring,
5921 * Add the extra jump action in prefix subflow and jump into the next
5922 * table, then do the modify action in the new table.
5925 /* Prepare the prefix jump action. */
5927 jump_action = (void *)(actions_pre + actions_n + append_index);
5928 jump_action->group = jump_table;
5929 actions_pre[index++] =
5930 (struct rte_flow_action){
5931 .type = (enum rte_flow_action_type)
5932 RTE_FLOW_ACTION_TYPE_JUMP,
5933 .conf = jump_action,
5936 actions_pre[index] = (struct rte_flow_action){
5937 .type = (enum rte_flow_action_type)
5938 RTE_FLOW_ACTION_TYPE_END,
5940 /* Put the actions after sample into Suffix flow. */
5941 memcpy(actions_sfx, actions + sample_action_pos + 1,
5942 sizeof(struct rte_flow_action) *
5943 (actions_n - sample_action_pos - 1));
5948 * The splitting for metadata feature.
5950 * - Q/RSS action on NIC Rx should be split in order to pass by
5951 * the mreg copy table (RX_CP_TBL) and then it jumps to the
5952 * action table (RX_ACT_TBL) which has the split Q/RSS action.
5954 * - All the actions on NIC Tx should have a mreg copy action to
5955 * copy reg_a from WQE to reg_c[0].
5958 * Pointer to Ethernet device.
5960 * Parent flow structure pointer.
5962 * Flow rule attributes.
5964 * Pattern specification (list terminated by the END pattern item).
5965 * @param[in] actions
5966 * Associated actions (list terminated by the END action).
5967 * @param[in] flow_split_info
5968 * Pointer to flow split info structure.
5970 * Perform verbose error reporting if not NULL.
5972 * 0 on success, negative value otherwise
5975 flow_create_split_metadata(struct rte_eth_dev *dev,
5976 struct rte_flow *flow,
5977 const struct rte_flow_attr *attr,
5978 const struct rte_flow_item items[],
5979 const struct rte_flow_action actions[],
5980 struct mlx5_flow_split_info *flow_split_info,
5981 struct rte_flow_error *error)
5983 struct mlx5_priv *priv = dev->data->dev_private;
5984 struct mlx5_sh_config *config = &priv->sh->config;
5985 const struct rte_flow_action *qrss = NULL;
5986 struct rte_flow_action *ext_actions = NULL;
5987 struct mlx5_flow *dev_flow = NULL;
5988 uint32_t qrss_id = 0;
5995 /* Check whether extensive metadata feature is engaged. */
5996 if (!config->dv_flow_en ||
5997 config->dv_xmeta_en == MLX5_XMETA_MODE_LEGACY ||
5998 !mlx5_flow_ext_mreg_supported(dev))
5999 return flow_create_split_inner(dev, flow, NULL, attr, items,
6000 actions, flow_split_info, error);
6001 actions_n = flow_parse_metadata_split_actions_info(actions, &qrss,
6004 /* Exclude hairpin flows from splitting. */
6005 if (qrss->type == RTE_FLOW_ACTION_TYPE_QUEUE) {
6006 const struct rte_flow_action_queue *queue;
6009 if (mlx5_rxq_is_hairpin(dev, queue->index))
6011 } else if (qrss->type == RTE_FLOW_ACTION_TYPE_RSS) {
6012 const struct rte_flow_action_rss *rss;
6015 if (mlx5_rxq_is_hairpin(dev, rss->queue[0]))
6020 /* Check if it is in meter suffix table. */
6021 mtr_sfx = attr->group == (attr->transfer ?
6022 (MLX5_FLOW_TABLE_LEVEL_METER - 1) :
6023 MLX5_FLOW_TABLE_LEVEL_METER);
6025 * Q/RSS action on NIC Rx should be split in order to pass by
6026 * the mreg copy table (RX_CP_TBL) and then it jumps to the
6027 * action table (RX_ACT_TBL) which has the split Q/RSS action.
6029 act_size = sizeof(struct rte_flow_action) * (actions_n + 1) +
6030 sizeof(struct rte_flow_action_set_tag) +
6031 sizeof(struct rte_flow_action_jump);
6032 ext_actions = mlx5_malloc(MLX5_MEM_ZERO, act_size, 0,
6035 return rte_flow_error_set(error, ENOMEM,
6036 RTE_FLOW_ERROR_TYPE_ACTION,
6037 NULL, "no memory to split "
6040 * Create the new actions list with removed Q/RSS action
6041 * and appended set tag and jump to register copy table
6042 * (RX_CP_TBL). We should preallocate unique tag ID here
6043 * in advance, because it is needed for set tag action.
6045 qrss_id = flow_mreg_split_qrss_prep(dev, ext_actions, actions,
6048 if (!mtr_sfx && !qrss_id) {
6052 } else if (attr->egress && !attr->transfer) {
6054 * All the actions on NIC Tx should have a metadata register
6055 * copy action to copy reg_a from WQE to reg_c[meta]
6057 act_size = sizeof(struct rte_flow_action) * (actions_n + 1) +
6058 sizeof(struct mlx5_flow_action_copy_mreg);
6059 ext_actions = mlx5_malloc(MLX5_MEM_ZERO, act_size, 0,
6062 return rte_flow_error_set(error, ENOMEM,
6063 RTE_FLOW_ERROR_TYPE_ACTION,
6064 NULL, "no memory to split "
6066 /* Create the action list appended with copy register. */
6067 ret = flow_mreg_tx_copy_prep(dev, ext_actions, actions,
6068 actions_n, error, encap_idx);
6072 /* Add the unmodified original or prefix subflow. */
6073 ret = flow_create_split_inner(dev, flow, &dev_flow, attr,
6074 items, ext_actions ? ext_actions :
6075 actions, flow_split_info, error);
6078 MLX5_ASSERT(dev_flow);
6080 const struct rte_flow_attr q_attr = {
6081 .group = MLX5_FLOW_MREG_ACT_TABLE_GROUP,
6084 /* Internal PMD action to set register. */
6085 struct mlx5_rte_flow_item_tag q_tag_spec = {
6089 struct rte_flow_item q_items[] = {
6091 .type = (enum rte_flow_item_type)
6092 MLX5_RTE_FLOW_ITEM_TYPE_TAG,
6093 .spec = &q_tag_spec,
6098 .type = RTE_FLOW_ITEM_TYPE_END,
6101 struct rte_flow_action q_actions[] = {
6107 .type = RTE_FLOW_ACTION_TYPE_END,
6110 uint64_t layers = flow_get_prefix_layer_flags(dev_flow);
6113 * Configure the tag item only if there is no meter subflow.
6114 * Since tag is already marked in the meter suffix subflow
6115 * we can just use the meter suffix items as is.
6118 /* Not meter subflow. */
6119 MLX5_ASSERT(!mtr_sfx);
6121 * Put unique id in prefix flow due to it is destroyed
6122 * after suffix flow and id will be freed after there
6123 * is no actual flows with this id and identifier
6124 * reallocation becomes possible (for example, for
6125 * other flows in other threads).
6127 dev_flow->handle->split_flow_id = qrss_id;
6128 ret = mlx5_flow_get_reg_id(dev, MLX5_COPY_MARK, 0,
6132 q_tag_spec.id = ret;
6135 /* Add suffix subflow to execute Q/RSS. */
6136 flow_split_info->prefix_layers = layers;
6137 flow_split_info->prefix_mark = 0;
6138 flow_split_info->table_id = 0;
6139 ret = flow_create_split_inner(dev, flow, &dev_flow,
6140 &q_attr, mtr_sfx ? items :
6142 flow_split_info, error);
6145 /* qrss ID should be freed if failed. */
6147 MLX5_ASSERT(dev_flow);
6152 * We do not destroy the partially created sub_flows in case of error.
6153 * These ones are included into parent flow list and will be destroyed
6154 * by flow_drv_destroy.
6156 mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_RSS_EXPANTION_FLOW_ID],
6158 mlx5_free(ext_actions);
6163 * Create meter internal drop flow with the original pattern.
6166 * Pointer to Ethernet device.
6168 * Parent flow structure pointer.
6170 * Flow rule attributes.
6172 * Pattern specification (list terminated by the END pattern item).
6173 * @param[in] flow_split_info
6174 * Pointer to flow split info structure.
6176 * Pointer to flow meter structure.
6178 * Perform verbose error reporting if not NULL.
6180 * 0 on success, negative value otherwise
6183 flow_meter_create_drop_flow_with_org_pattern(struct rte_eth_dev *dev,
6184 struct rte_flow *flow,
6185 const struct rte_flow_attr *attr,
6186 const struct rte_flow_item items[],
6187 struct mlx5_flow_split_info *flow_split_info,
6188 struct mlx5_flow_meter_info *fm,
6189 struct rte_flow_error *error)
6191 struct mlx5_flow *dev_flow = NULL;
6192 struct rte_flow_attr drop_attr = *attr;
6193 struct rte_flow_action drop_actions[3];
6194 struct mlx5_flow_split_info drop_split_info = *flow_split_info;
6196 MLX5_ASSERT(fm->drop_cnt);
6197 drop_actions[0].type =
6198 (enum rte_flow_action_type)MLX5_RTE_FLOW_ACTION_TYPE_COUNT;
6199 drop_actions[0].conf = (void *)(uintptr_t)fm->drop_cnt;
6200 drop_actions[1].type = RTE_FLOW_ACTION_TYPE_DROP;
6201 drop_actions[1].conf = NULL;
6202 drop_actions[2].type = RTE_FLOW_ACTION_TYPE_END;
6203 drop_actions[2].conf = NULL;
6204 drop_split_info.external = false;
6205 drop_split_info.skip_scale |= 1 << MLX5_SCALE_FLOW_GROUP_BIT;
6206 drop_split_info.table_id = MLX5_MTR_TABLE_ID_DROP;
6207 drop_attr.group = MLX5_FLOW_TABLE_LEVEL_METER;
6208 return flow_create_split_inner(dev, flow, &dev_flow,
6209 &drop_attr, items, drop_actions,
6210 &drop_split_info, error);
6214 * The splitting for meter feature.
6216 * - The meter flow will be split to two flows as prefix and
6217 * suffix flow. The packets make sense only it pass the prefix
6220 * - Reg_C_5 is used for the packet to match betweend prefix and
6224 * Pointer to Ethernet device.
6226 * Parent flow structure pointer.
6228 * Flow rule attributes.
6230 * Pattern specification (list terminated by the END pattern item).
6231 * @param[in] actions
6232 * Associated actions (list terminated by the END action).
6233 * @param[in] flow_split_info
6234 * Pointer to flow split info structure.
6236 * Perform verbose error reporting if not NULL.
6238 * 0 on success, negative value otherwise
6241 flow_create_split_meter(struct rte_eth_dev *dev,
6242 struct rte_flow *flow,
6243 const struct rte_flow_attr *attr,
6244 const struct rte_flow_item items[],
6245 const struct rte_flow_action actions[],
6246 struct mlx5_flow_split_info *flow_split_info,
6247 struct rte_flow_error *error)
6249 struct mlx5_priv *priv = dev->data->dev_private;
6250 struct mlx5_flow_workspace *wks = mlx5_flow_get_thread_workspace();
6251 struct rte_flow_action *sfx_actions = NULL;
6252 struct rte_flow_action *pre_actions = NULL;
6253 struct rte_flow_item *sfx_items = NULL;
6254 struct mlx5_flow *dev_flow = NULL;
6255 struct rte_flow_attr sfx_attr = *attr;
6256 struct mlx5_flow_meter_info *fm = NULL;
6257 uint8_t skip_scale_restore;
6258 bool has_mtr = false;
6259 bool has_modify = false;
6260 bool set_mtr_reg = true;
6261 bool is_mtr_hierarchy = false;
6262 uint32_t meter_id = 0;
6263 uint32_t mtr_idx = 0;
6264 uint32_t mtr_flow_id = 0;
6271 actions_n = flow_check_meter_action(dev, actions, &has_mtr,
6272 &has_modify, &meter_id);
6275 fm = flow_dv_meter_find_by_idx(priv, flow->meter);
6277 return rte_flow_error_set(error, EINVAL,
6278 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
6279 NULL, "Meter not found.");
6281 fm = mlx5_flow_meter_find(priv, meter_id, &mtr_idx);
6283 return rte_flow_error_set(error, EINVAL,
6284 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
6285 NULL, "Meter not found.");
6286 ret = mlx5_flow_meter_attach(priv, fm,
6290 flow->meter = mtr_idx;
6294 if (!fm->def_policy) {
6295 wks->policy = mlx5_flow_meter_policy_find(dev,
6298 MLX5_ASSERT(wks->policy);
6299 if (wks->policy->is_hierarchy) {
6301 mlx5_flow_meter_hierarchy_get_final_policy(dev,
6303 if (!wks->final_policy)
6304 return rte_flow_error_set(error,
6306 RTE_FLOW_ERROR_TYPE_ACTION, NULL,
6307 "Failed to find terminal policy of hierarchy.");
6308 is_mtr_hierarchy = true;
6312 * If it isn't default-policy Meter, and
6313 * 1. There's no action in flow to change
6314 * packet (modify/encap/decap etc.), OR
6315 * 2. No drop count needed for this meter.
6316 * 3. It's not meter hierarchy.
6317 * Then no need to use regC to save meter id anymore.
6319 if (!fm->def_policy && !is_mtr_hierarchy &&
6320 (!has_modify || !fm->drop_cnt))
6321 set_mtr_reg = false;
6322 /* Prefix actions: meter, decap, encap, tag, jump, end. */
6323 act_size = sizeof(struct rte_flow_action) * (actions_n + 6) +
6324 sizeof(struct mlx5_rte_flow_action_set_tag);
6325 /* Suffix items: tag, vlan, port id, end. */
6326 #define METER_SUFFIX_ITEM 4
6327 item_size = sizeof(struct rte_flow_item) * METER_SUFFIX_ITEM +
6328 sizeof(struct mlx5_rte_flow_item_tag) * 2;
6329 sfx_actions = mlx5_malloc(MLX5_MEM_ZERO, (act_size + item_size),
6332 return rte_flow_error_set(error, ENOMEM,
6333 RTE_FLOW_ERROR_TYPE_ACTION,
6334 NULL, "no memory to split "
6336 sfx_items = (struct rte_flow_item *)((char *)sfx_actions +
6338 /* There's no suffix flow for meter of non-default policy. */
6339 if (!fm->def_policy)
6340 pre_actions = sfx_actions + 1;
6342 pre_actions = sfx_actions + actions_n;
6343 ret = flow_meter_split_prep(dev, flow, wks, &sfx_attr,
6344 items, sfx_items, actions,
6345 sfx_actions, pre_actions,
6346 (set_mtr_reg ? &mtr_flow_id : NULL),
6352 /* Add the prefix subflow. */
6353 skip_scale_restore = flow_split_info->skip_scale;
6354 flow_split_info->skip_scale |=
6355 1 << MLX5_SCALE_JUMP_FLOW_GROUP_BIT;
6356 ret = flow_create_split_inner(dev, flow, &dev_flow,
6357 attr, items, pre_actions,
6358 flow_split_info, error);
6359 flow_split_info->skip_scale = skip_scale_restore;
6362 mlx5_ipool_free(fm->flow_ipool, mtr_flow_id);
6367 dev_flow->handle->split_flow_id = mtr_flow_id;
6368 dev_flow->handle->is_meter_flow_id = 1;
6370 if (!fm->def_policy) {
6371 if (!set_mtr_reg && fm->drop_cnt)
6373 flow_meter_create_drop_flow_with_org_pattern(dev, flow,
6379 /* Setting the sfx group atrr. */
6380 sfx_attr.group = sfx_attr.transfer ?
6381 (MLX5_FLOW_TABLE_LEVEL_METER - 1) :
6382 MLX5_FLOW_TABLE_LEVEL_METER;
6383 flow_split_info->prefix_layers =
6384 flow_get_prefix_layer_flags(dev_flow);
6385 flow_split_info->prefix_mark |= wks->mark;
6386 flow_split_info->table_id = MLX5_MTR_TABLE_ID_SUFFIX;
6388 /* Add the prefix subflow. */
6389 ret = flow_create_split_metadata(dev, flow,
6390 &sfx_attr, sfx_items ?
6392 sfx_actions ? sfx_actions : actions,
6393 flow_split_info, error);
6396 mlx5_free(sfx_actions);
6401 * The splitting for sample feature.
6403 * Once Sample action is detected in the action list, the flow actions should
6404 * be split into prefix sub flow and suffix sub flow.
6406 * The original items remain in the prefix sub flow, all actions preceding the
6407 * sample action and the sample action itself will be copied to the prefix
6408 * sub flow, the actions following the sample action will be copied to the
6409 * suffix sub flow, Queue action always be located in the suffix sub flow.
6411 * In order to make the packet from prefix sub flow matches with suffix sub
6412 * flow, an extra tag action be added into prefix sub flow, and the suffix sub
6413 * flow uses tag item with the unique flow id.
6416 * Pointer to Ethernet device.
6418 * Parent flow structure pointer.
6420 * Flow rule attributes.
6422 * Pattern specification (list terminated by the END pattern item).
6423 * @param[in] actions
6424 * Associated actions (list terminated by the END action).
6425 * @param[in] flow_split_info
6426 * Pointer to flow split info structure.
6428 * Perform verbose error reporting if not NULL.
6430 * 0 on success, negative value otherwise
6433 flow_create_split_sample(struct rte_eth_dev *dev,
6434 struct rte_flow *flow,
6435 const struct rte_flow_attr *attr,
6436 const struct rte_flow_item items[],
6437 const struct rte_flow_action actions[],
6438 struct mlx5_flow_split_info *flow_split_info,
6439 struct rte_flow_error *error)
6441 struct mlx5_priv *priv = dev->data->dev_private;
6442 struct rte_flow_action *sfx_actions = NULL;
6443 struct rte_flow_action *pre_actions = NULL;
6444 struct rte_flow_item *sfx_items = NULL;
6445 struct mlx5_flow *dev_flow = NULL;
6446 struct rte_flow_attr sfx_attr = *attr;
6447 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
6448 struct mlx5_flow_dv_sample_resource *sample_res;
6449 struct mlx5_flow_tbl_data_entry *sfx_tbl_data;
6450 struct mlx5_flow_tbl_resource *sfx_tbl;
6451 struct mlx5_flow_workspace *wks = mlx5_flow_get_thread_workspace();
6455 uint32_t fdb_tx = 0;
6458 int sample_action_pos;
6459 int qrss_action_pos;
6461 int modify_after_mirror = 0;
6462 uint16_t jump_table = 0;
6463 const uint32_t next_ft_step = 1;
6466 if (priv->sampler_en)
6467 actions_n = flow_check_match_action(actions, attr,
6468 RTE_FLOW_ACTION_TYPE_SAMPLE,
6469 &sample_action_pos, &qrss_action_pos,
6470 &modify_after_mirror);
6472 /* The prefix actions must includes sample, tag, end. */
6473 act_size = sizeof(struct rte_flow_action) * (actions_n * 2 + 1)
6474 + sizeof(struct mlx5_rte_flow_action_set_tag);
6475 item_size = sizeof(struct rte_flow_item) * SAMPLE_SUFFIX_ITEM +
6476 sizeof(struct mlx5_rte_flow_item_tag) * 2;
6477 sfx_actions = mlx5_malloc(MLX5_MEM_ZERO, (act_size +
6478 item_size), 0, SOCKET_ID_ANY);
6480 return rte_flow_error_set(error, ENOMEM,
6481 RTE_FLOW_ERROR_TYPE_ACTION,
6482 NULL, "no memory to split "
6484 /* The representor_id is UINT16_MAX for uplink. */
6485 fdb_tx = (attr->transfer && priv->representor_id != UINT16_MAX);
6487 * When reg_c_preserve is set, metadata registers Cx preserve
6488 * their value even through packet duplication.
6490 add_tag = (!fdb_tx ||
6491 priv->sh->cdev->config.hca_attr.reg_c_preserve);
6493 sfx_items = (struct rte_flow_item *)((char *)sfx_actions
6495 if (modify_after_mirror)
6496 jump_table = attr->group * MLX5_FLOW_TABLE_FACTOR +
6498 pre_actions = sfx_actions + actions_n;
6499 tag_id = flow_sample_split_prep(dev, add_tag, sfx_items,
6500 actions, sfx_actions,
6501 pre_actions, actions_n,
6503 qrss_action_pos, jump_table,
6505 if (tag_id < 0 || (add_tag && !tag_id)) {
6509 if (modify_after_mirror)
6510 flow_split_info->skip_scale =
6511 1 << MLX5_SCALE_JUMP_FLOW_GROUP_BIT;
6512 /* Add the prefix subflow. */
6513 ret = flow_create_split_inner(dev, flow, &dev_flow, attr,
6515 flow_split_info, error);
6520 dev_flow->handle->split_flow_id = tag_id;
6521 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
6522 if (!modify_after_mirror) {
6523 /* Set the sfx group attr. */
6524 sample_res = (struct mlx5_flow_dv_sample_resource *)
6525 dev_flow->dv.sample_res;
6526 sfx_tbl = (struct mlx5_flow_tbl_resource *)
6527 sample_res->normal_path_tbl;
6528 sfx_tbl_data = container_of(sfx_tbl,
6529 struct mlx5_flow_tbl_data_entry,
6531 sfx_attr.group = sfx_attr.transfer ?
6532 (sfx_tbl_data->level - 1) : sfx_tbl_data->level;
6534 MLX5_ASSERT(attr->transfer);
6535 sfx_attr.group = jump_table;
6537 flow_split_info->prefix_layers =
6538 flow_get_prefix_layer_flags(dev_flow);
6540 flow_split_info->prefix_mark |= wks->mark;
6541 /* Suffix group level already be scaled with factor, set
6542 * MLX5_SCALE_FLOW_GROUP_BIT of skip_scale to 1 to avoid scale
6543 * again in translation.
6545 flow_split_info->skip_scale = 1 << MLX5_SCALE_FLOW_GROUP_BIT;
6548 /* Add the suffix subflow. */
6549 ret = flow_create_split_meter(dev, flow, &sfx_attr,
6550 sfx_items ? sfx_items : items,
6551 sfx_actions ? sfx_actions : actions,
6552 flow_split_info, error);
6555 mlx5_free(sfx_actions);
6560 * Split the flow to subflow set. The splitters might be linked
6561 * in the chain, like this:
6562 * flow_create_split_outer() calls:
6563 * flow_create_split_meter() calls:
6564 * flow_create_split_metadata(meter_subflow_0) calls:
6565 * flow_create_split_inner(metadata_subflow_0)
6566 * flow_create_split_inner(metadata_subflow_1)
6567 * flow_create_split_inner(metadata_subflow_2)
6568 * flow_create_split_metadata(meter_subflow_1) calls:
6569 * flow_create_split_inner(metadata_subflow_0)
6570 * flow_create_split_inner(metadata_subflow_1)
6571 * flow_create_split_inner(metadata_subflow_2)
6573 * This provide flexible way to add new levels of flow splitting.
6574 * The all of successfully created subflows are included to the
6575 * parent flow dev_flow list.
6578 * Pointer to Ethernet device.
6580 * Parent flow structure pointer.
6582 * Flow rule attributes.
6584 * Pattern specification (list terminated by the END pattern item).
6585 * @param[in] actions
6586 * Associated actions (list terminated by the END action).
6587 * @param[in] flow_split_info
6588 * Pointer to flow split info structure.
6590 * Perform verbose error reporting if not NULL.
6592 * 0 on success, negative value otherwise
6595 flow_create_split_outer(struct rte_eth_dev *dev,
6596 struct rte_flow *flow,
6597 const struct rte_flow_attr *attr,
6598 const struct rte_flow_item items[],
6599 const struct rte_flow_action actions[],
6600 struct mlx5_flow_split_info *flow_split_info,
6601 struct rte_flow_error *error)
6605 ret = flow_create_split_sample(dev, flow, attr, items,
6606 actions, flow_split_info, error);
6607 MLX5_ASSERT(ret <= 0);
6611 static inline struct mlx5_flow_tunnel *
6612 flow_tunnel_from_rule(const struct mlx5_flow *flow)
6614 struct mlx5_flow_tunnel *tunnel;
6616 #pragma GCC diagnostic push
6617 #pragma GCC diagnostic ignored "-Wcast-qual"
6618 tunnel = (typeof(tunnel))flow->tunnel;
6619 #pragma GCC diagnostic pop
6625 * Adjust flow RSS workspace if needed.
6628 * Pointer to thread flow work space.
6630 * Pointer to RSS descriptor.
6631 * @param[in] nrssq_num
6632 * New RSS queue number.
6635 * 0 on success, -1 otherwise and rte_errno is set.
6638 flow_rss_workspace_adjust(struct mlx5_flow_workspace *wks,
6639 struct mlx5_flow_rss_desc *rss_desc,
6642 if (likely(nrssq_num <= wks->rssq_num))
6644 rss_desc->queue = realloc(rss_desc->queue,
6645 sizeof(*rss_desc->queue) * RTE_ALIGN(nrssq_num, 2));
6646 if (!rss_desc->queue) {
6650 wks->rssq_num = RTE_ALIGN(nrssq_num, 2);
6655 * Create a flow and add it to @p list.
6658 * Pointer to Ethernet device.
6660 * Pointer to a TAILQ flow list. If this parameter NULL,
6661 * no list insertion occurred, flow is just created,
6662 * this is caller's responsibility to track the
6665 * Flow rule attributes.
6667 * Pattern specification (list terminated by the END pattern item).
6668 * @param[in] actions
6669 * Associated actions (list terminated by the END action).
6670 * @param[in] external
6671 * This flow rule is created by request external to PMD.
6673 * Perform verbose error reporting if not NULL.
6676 * A flow index on success, 0 otherwise and rte_errno is set.
6679 flow_list_create(struct rte_eth_dev *dev, enum mlx5_flow_type type,
6680 const struct rte_flow_attr *attr,
6681 const struct rte_flow_item items[],
6682 const struct rte_flow_action original_actions[],
6683 bool external, struct rte_flow_error *error)
6685 struct mlx5_priv *priv = dev->data->dev_private;
6686 struct rte_flow *flow = NULL;
6687 struct mlx5_flow *dev_flow;
6688 const struct rte_flow_action_rss *rss = NULL;
6689 struct mlx5_translated_action_handle
6690 indir_actions[MLX5_MAX_INDIRECT_ACTIONS];
6691 int indir_actions_n = MLX5_MAX_INDIRECT_ACTIONS;
6693 struct mlx5_flow_expand_rss buf;
6694 uint8_t buffer[4096];
6697 struct rte_flow_action actions[MLX5_MAX_SPLIT_ACTIONS];
6698 uint8_t buffer[2048];
6701 struct rte_flow_action actions[MLX5_MAX_SPLIT_ACTIONS];
6702 uint8_t buffer[2048];
6703 } actions_hairpin_tx;
6705 struct rte_flow_item items[MLX5_MAX_SPLIT_ITEMS];
6706 uint8_t buffer[2048];
6708 struct mlx5_flow_expand_rss *buf = &expand_buffer.buf;
6709 struct mlx5_flow_rss_desc *rss_desc;
6710 const struct rte_flow_action *p_actions_rx;
6714 struct rte_flow_attr attr_tx = { .priority = 0 };
6715 const struct rte_flow_action *actions;
6716 struct rte_flow_action *translated_actions = NULL;
6717 struct mlx5_flow_tunnel *tunnel;
6718 struct tunnel_default_miss_ctx default_miss_ctx = { 0, };
6719 struct mlx5_flow_workspace *wks = mlx5_flow_push_thread_workspace();
6720 struct mlx5_flow_split_info flow_split_info = {
6721 .external = !!external,
6731 rss_desc = &wks->rss_desc;
6732 ret = flow_action_handles_translate(dev, original_actions,
6735 &translated_actions, error);
6737 MLX5_ASSERT(translated_actions == NULL);
6740 actions = translated_actions ? translated_actions : original_actions;
6741 p_actions_rx = actions;
6742 hairpin_flow = flow_check_hairpin_split(dev, attr, actions);
6743 ret = flow_drv_validate(dev, attr, items, p_actions_rx,
6744 external, hairpin_flow, error);
6746 goto error_before_hairpin_split;
6747 flow = mlx5_ipool_zmalloc(priv->flows[type], &idx);
6750 goto error_before_hairpin_split;
6752 if (hairpin_flow > 0) {
6753 if (hairpin_flow > MLX5_MAX_SPLIT_ACTIONS) {
6755 goto error_before_hairpin_split;
6757 flow_hairpin_split(dev, actions, actions_rx.actions,
6758 actions_hairpin_tx.actions, items_tx.items,
6760 p_actions_rx = actions_rx.actions;
6762 flow_split_info.flow_idx = idx;
6763 flow->drv_type = flow_get_drv_type(dev, attr);
6764 MLX5_ASSERT(flow->drv_type > MLX5_FLOW_TYPE_MIN &&
6765 flow->drv_type < MLX5_FLOW_TYPE_MAX);
6766 memset(rss_desc, 0, offsetof(struct mlx5_flow_rss_desc, queue));
6767 /* RSS Action only works on NIC RX domain */
6768 if (attr->ingress && !attr->transfer)
6769 rss = flow_get_rss_action(dev, p_actions_rx);
6771 if (flow_rss_workspace_adjust(wks, rss_desc, rss->queue_num))
6774 * The following information is required by
6775 * mlx5_flow_hashfields_adjust() in advance.
6777 rss_desc->level = rss->level;
6778 /* RSS type 0 indicates default RSS type (RTE_ETH_RSS_IP). */
6779 rss_desc->types = !rss->types ? RTE_ETH_RSS_IP : rss->types;
6781 flow->dev_handles = 0;
6782 if (rss && rss->types) {
6783 unsigned int graph_root;
6785 graph_root = find_graph_root(rss->level);
6786 ret = mlx5_flow_expand_rss(buf, sizeof(expand_buffer.buffer),
6788 mlx5_support_expansion, graph_root);
6789 MLX5_ASSERT(ret > 0 &&
6790 (unsigned int)ret < sizeof(expand_buffer.buffer));
6791 if (rte_log_can_log(mlx5_logtype, RTE_LOG_DEBUG)) {
6792 for (i = 0; i < buf->entries; ++i)
6793 mlx5_dbg__print_pattern(buf->entry[i].pattern);
6797 buf->entry[0].pattern = (void *)(uintptr_t)items;
6799 rss_desc->shared_rss = flow_get_shared_rss_action(dev, indir_actions,
6801 for (i = 0; i < buf->entries; ++i) {
6802 /* Initialize flow split data. */
6803 flow_split_info.prefix_layers = 0;
6804 flow_split_info.prefix_mark = 0;
6805 flow_split_info.skip_scale = 0;
6807 * The splitter may create multiple dev_flows,
6808 * depending on configuration. In the simplest
6809 * case it just creates unmodified original flow.
6811 ret = flow_create_split_outer(dev, flow, attr,
6812 buf->entry[i].pattern,
6813 p_actions_rx, &flow_split_info,
6817 if (is_flow_tunnel_steer_rule(wks->flows[0].tof_type)) {
6818 ret = flow_tunnel_add_default_miss(dev, flow, attr,
6821 wks->flows[0].tunnel,
6825 mlx5_free(default_miss_ctx.queue);
6830 /* Create the tx flow. */
6832 attr_tx.group = MLX5_HAIRPIN_TX_TABLE;
6833 attr_tx.ingress = 0;
6835 dev_flow = flow_drv_prepare(dev, flow, &attr_tx, items_tx.items,
6836 actions_hairpin_tx.actions,
6840 dev_flow->flow = flow;
6841 dev_flow->external = 0;
6842 SILIST_INSERT(&flow->dev_handles, dev_flow->handle_idx,
6843 dev_flow->handle, next);
6844 ret = flow_drv_translate(dev, dev_flow, &attr_tx,
6846 actions_hairpin_tx.actions, error);
6851 * Update the metadata register copy table. If extensive
6852 * metadata feature is enabled and registers are supported
6853 * we might create the extra rte_flow for each unique
6854 * MARK/FLAG action ID.
6856 * The table is updated for ingress Flows only, because
6857 * the egress Flows belong to the different device and
6858 * copy table should be updated in peer NIC Rx domain.
6860 if (attr->ingress &&
6861 (external || attr->group != MLX5_FLOW_MREG_CP_TABLE_GROUP)) {
6862 ret = flow_mreg_update_copy_table(dev, flow, actions, error);
6867 * If the flow is external (from application) OR device is started,
6868 * OR mreg discover, then apply immediately.
6870 if (external || dev->data->dev_started ||
6871 (attr->group == MLX5_FLOW_MREG_CP_TABLE_GROUP &&
6872 attr->priority == MLX5_FLOW_LOWEST_PRIO_INDICATOR)) {
6873 ret = flow_drv_apply(dev, flow, error);
6878 flow_rxq_flags_set(dev, flow);
6879 rte_free(translated_actions);
6880 tunnel = flow_tunnel_from_rule(wks->flows);
6883 flow->tunnel_id = tunnel->tunnel_id;
6884 __atomic_add_fetch(&tunnel->refctn, 1, __ATOMIC_RELAXED);
6885 mlx5_free(default_miss_ctx.queue);
6887 mlx5_flow_pop_thread_workspace();
6891 ret = rte_errno; /* Save rte_errno before cleanup. */
6892 flow_mreg_del_copy_action(dev, flow);
6893 flow_drv_destroy(dev, flow);
6894 if (rss_desc->shared_rss)
6895 __atomic_sub_fetch(&((struct mlx5_shared_action_rss *)
6897 (priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS],
6898 rss_desc->shared_rss))->refcnt, 1, __ATOMIC_RELAXED);
6899 mlx5_ipool_free(priv->flows[type], idx);
6900 rte_errno = ret; /* Restore rte_errno. */
6903 mlx5_flow_pop_thread_workspace();
6904 error_before_hairpin_split:
6905 rte_free(translated_actions);
6910 * Create a dedicated flow rule on e-switch table 0 (root table), to direct all
6911 * incoming packets to table 1.
6913 * Other flow rules, requested for group n, will be created in
6914 * e-switch table n+1.
6915 * Jump action to e-switch group n will be created to group n+1.
6917 * Used when working in switchdev mode, to utilise advantages of table 1
6921 * Pointer to Ethernet device.
6924 * Pointer to flow on success, NULL otherwise and rte_errno is set.
6927 mlx5_flow_create_esw_table_zero_flow(struct rte_eth_dev *dev)
6929 const struct rte_flow_attr attr = {
6936 const struct rte_flow_item pattern = {
6937 .type = RTE_FLOW_ITEM_TYPE_END,
6939 struct rte_flow_action_jump jump = {
6942 const struct rte_flow_action actions[] = {
6944 .type = RTE_FLOW_ACTION_TYPE_JUMP,
6948 .type = RTE_FLOW_ACTION_TYPE_END,
6951 struct rte_flow_error error;
6953 return (void *)(uintptr_t)flow_list_create(dev, MLX5_FLOW_TYPE_CTL,
6955 actions, false, &error);
6959 * Create a dedicated flow rule on e-switch table 1, matches ESW manager
6960 * and sq number, directs all packets to peer vport.
6963 * Pointer to Ethernet device.
6968 * Flow ID on success, 0 otherwise and rte_errno is set.
6971 mlx5_flow_create_devx_sq_miss_flow(struct rte_eth_dev *dev, uint32_t txq)
6973 struct rte_flow_attr attr = {
6975 .priority = MLX5_FLOW_LOWEST_PRIO_INDICATOR,
6980 struct rte_flow_item_port_id port_spec = {
6981 .id = MLX5_PORT_ESW_MGR,
6983 struct mlx5_rte_flow_item_tx_queue txq_spec = {
6986 struct rte_flow_item pattern[] = {
6988 .type = RTE_FLOW_ITEM_TYPE_PORT_ID,
6992 .type = (enum rte_flow_item_type)
6993 MLX5_RTE_FLOW_ITEM_TYPE_TX_QUEUE,
6997 .type = RTE_FLOW_ITEM_TYPE_END,
7000 struct rte_flow_action_jump jump = {
7003 struct rte_flow_action_port_id port = {
7004 .id = dev->data->port_id,
7006 struct rte_flow_action actions[] = {
7008 .type = RTE_FLOW_ACTION_TYPE_JUMP,
7012 .type = RTE_FLOW_ACTION_TYPE_END,
7015 struct rte_flow_error error;
7018 * Creates group 0, highest priority jump flow.
7019 * Matches txq to bypass kernel packets.
7021 if (flow_list_create(dev, MLX5_FLOW_TYPE_CTL, &attr, pattern, actions,
7022 false, &error) == 0)
7024 /* Create group 1, lowest priority redirect flow for txq. */
7026 actions[0].conf = &port;
7027 actions[0].type = RTE_FLOW_ACTION_TYPE_PORT_ID;
7028 return flow_list_create(dev, MLX5_FLOW_TYPE_CTL, &attr, pattern,
7029 actions, false, &error);
7033 * Validate a flow supported by the NIC.
7035 * @see rte_flow_validate()
7039 mlx5_flow_validate(struct rte_eth_dev *dev,
7040 const struct rte_flow_attr *attr,
7041 const struct rte_flow_item items[],
7042 const struct rte_flow_action original_actions[],
7043 struct rte_flow_error *error)
7046 struct mlx5_translated_action_handle
7047 indir_actions[MLX5_MAX_INDIRECT_ACTIONS];
7048 int indir_actions_n = MLX5_MAX_INDIRECT_ACTIONS;
7049 const struct rte_flow_action *actions;
7050 struct rte_flow_action *translated_actions = NULL;
7051 int ret = flow_action_handles_translate(dev, original_actions,
7054 &translated_actions, error);
7058 actions = translated_actions ? translated_actions : original_actions;
7059 hairpin_flow = flow_check_hairpin_split(dev, attr, actions);
7060 ret = flow_drv_validate(dev, attr, items, actions,
7061 true, hairpin_flow, error);
7062 rte_free(translated_actions);
7069 * @see rte_flow_create()
7073 mlx5_flow_create(struct rte_eth_dev *dev,
7074 const struct rte_flow_attr *attr,
7075 const struct rte_flow_item items[],
7076 const struct rte_flow_action actions[],
7077 struct rte_flow_error *error)
7079 struct mlx5_priv *priv = dev->data->dev_private;
7081 if (priv->sh->config.dv_flow_en == 2) {
7082 rte_flow_error_set(error, ENOTSUP,
7083 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
7085 "Flow non-Q creation not supported");
7089 * If the device is not started yet, it is not allowed to created a
7090 * flow from application. PMD default flows and traffic control flows
7093 if (unlikely(!dev->data->dev_started)) {
7094 DRV_LOG(DEBUG, "port %u is not started when "
7095 "inserting a flow", dev->data->port_id);
7096 rte_flow_error_set(error, ENODEV,
7097 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
7099 "port not started");
7103 return (void *)(uintptr_t)flow_list_create(dev, MLX5_FLOW_TYPE_GEN,
7104 attr, items, actions,
7109 * Destroy a flow in a list.
7112 * Pointer to Ethernet device.
7113 * @param[in] flow_idx
7114 * Index of flow to destroy.
7117 flow_list_destroy(struct rte_eth_dev *dev, enum mlx5_flow_type type,
7120 struct mlx5_priv *priv = dev->data->dev_private;
7121 struct rte_flow *flow = mlx5_ipool_get(priv->flows[type], flow_idx);
7125 MLX5_ASSERT(flow->type == type);
7127 * Update RX queue flags only if port is started, otherwise it is
7130 if (dev->data->dev_started)
7131 flow_rxq_flags_trim(dev, flow);
7132 flow_drv_destroy(dev, flow);
7134 struct mlx5_flow_tunnel *tunnel;
7136 tunnel = mlx5_find_tunnel_id(dev, flow->tunnel_id);
7138 if (!__atomic_sub_fetch(&tunnel->refctn, 1, __ATOMIC_RELAXED))
7139 mlx5_flow_tunnel_free(dev, tunnel);
7141 flow_mreg_del_copy_action(dev, flow);
7142 mlx5_ipool_free(priv->flows[type], flow_idx);
7146 * Destroy all flows.
7149 * Pointer to Ethernet device.
7151 * Flow type to be flushed.
7153 * If flushing is called actively.
7156 mlx5_flow_list_flush(struct rte_eth_dev *dev, enum mlx5_flow_type type,
7159 struct mlx5_priv *priv = dev->data->dev_private;
7160 uint32_t num_flushed = 0, fidx = 1;
7161 struct rte_flow *flow;
7163 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
7164 if (priv->sh->config.dv_flow_en == 2 &&
7165 type == MLX5_FLOW_TYPE_GEN) {
7166 flow_hw_q_flow_flush(dev, NULL);
7171 MLX5_IPOOL_FOREACH(priv->flows[type], fidx, flow) {
7172 flow_list_destroy(dev, type, fidx);
7176 DRV_LOG(INFO, "port %u: %u flows flushed before stopping",
7177 dev->data->port_id, num_flushed);
7182 * Stop all default actions for flows.
7185 * Pointer to Ethernet device.
7188 mlx5_flow_stop_default(struct rte_eth_dev *dev)
7190 flow_mreg_del_default_copy_action(dev);
7191 flow_rxq_flags_clear(dev);
7195 * Start all default actions for flows.
7198 * Pointer to Ethernet device.
7200 * 0 on success, a negative errno value otherwise and rte_errno is set.
7203 mlx5_flow_start_default(struct rte_eth_dev *dev)
7205 struct rte_flow_error error;
7207 /* Make sure default copy action (reg_c[0] -> reg_b) is created. */
7208 return flow_mreg_add_default_copy_action(dev, &error);
7212 * Release key of thread specific flow workspace data.
7215 flow_release_workspace(void *data)
7217 struct mlx5_flow_workspace *wks = data;
7218 struct mlx5_flow_workspace *next;
7222 free(wks->rss_desc.queue);
7229 * Get thread specific current flow workspace.
7231 * @return pointer to thread specific flow workspace data, NULL on error.
7233 struct mlx5_flow_workspace*
7234 mlx5_flow_get_thread_workspace(void)
7236 struct mlx5_flow_workspace *data;
7238 data = mlx5_flow_os_get_specific_workspace();
7239 MLX5_ASSERT(data && data->inuse);
7240 if (!data || !data->inuse)
7241 DRV_LOG(ERR, "flow workspace not initialized.");
7246 * Allocate and init new flow workspace.
7248 * @return pointer to flow workspace data, NULL on error.
7250 static struct mlx5_flow_workspace*
7251 flow_alloc_thread_workspace(void)
7253 struct mlx5_flow_workspace *data = calloc(1, sizeof(*data));
7256 DRV_LOG(ERR, "Failed to allocate flow workspace "
7260 data->rss_desc.queue = calloc(1,
7261 sizeof(uint16_t) * MLX5_RSSQ_DEFAULT_NUM);
7262 if (!data->rss_desc.queue)
7264 data->rssq_num = MLX5_RSSQ_DEFAULT_NUM;
7267 free(data->rss_desc.queue);
7273 * Get new thread specific flow workspace.
7275 * If current workspace inuse, create new one and set as current.
7277 * @return pointer to thread specific flow workspace data, NULL on error.
7279 static struct mlx5_flow_workspace*
7280 mlx5_flow_push_thread_workspace(void)
7282 struct mlx5_flow_workspace *curr;
7283 struct mlx5_flow_workspace *data;
7285 curr = mlx5_flow_os_get_specific_workspace();
7287 data = flow_alloc_thread_workspace();
7290 } else if (!curr->inuse) {
7292 } else if (curr->next) {
7295 data = flow_alloc_thread_workspace();
7303 /* Set as current workspace */
7304 if (mlx5_flow_os_set_specific_workspace(data))
7305 DRV_LOG(ERR, "Failed to set flow workspace to thread.");
7310 * Close current thread specific flow workspace.
7312 * If previous workspace available, set it as current.
7314 * @return pointer to thread specific flow workspace data, NULL on error.
7317 mlx5_flow_pop_thread_workspace(void)
7319 struct mlx5_flow_workspace *data = mlx5_flow_get_thread_workspace();
7324 DRV_LOG(ERR, "Failed to close unused flow workspace.");
7330 if (mlx5_flow_os_set_specific_workspace(data->prev))
7331 DRV_LOG(ERR, "Failed to set flow workspace to thread.");
7335 * Verify the flow list is empty
7338 * Pointer to Ethernet device.
7340 * @return the number of flows not released.
7343 mlx5_flow_verify(struct rte_eth_dev *dev __rte_unused)
7345 struct mlx5_priv *priv = dev->data->dev_private;
7346 struct rte_flow *flow;
7350 for (i = 0; i < MLX5_FLOW_TYPE_MAXI; i++) {
7351 MLX5_IPOOL_FOREACH(priv->flows[i], idx, flow) {
7352 DRV_LOG(DEBUG, "port %u flow %p still referenced",
7353 dev->data->port_id, (void *)flow);
7361 * Enable default hairpin egress flow.
7364 * Pointer to Ethernet device.
7369 * 0 on success, a negative errno value otherwise and rte_errno is set.
7372 mlx5_ctrl_flow_source_queue(struct rte_eth_dev *dev,
7375 const struct rte_flow_attr attr = {
7379 struct mlx5_rte_flow_item_tx_queue queue_spec = {
7382 struct mlx5_rte_flow_item_tx_queue queue_mask = {
7383 .queue = UINT32_MAX,
7385 struct rte_flow_item items[] = {
7387 .type = (enum rte_flow_item_type)
7388 MLX5_RTE_FLOW_ITEM_TYPE_TX_QUEUE,
7389 .spec = &queue_spec,
7391 .mask = &queue_mask,
7394 .type = RTE_FLOW_ITEM_TYPE_END,
7397 struct rte_flow_action_jump jump = {
7398 .group = MLX5_HAIRPIN_TX_TABLE,
7400 struct rte_flow_action actions[2];
7402 struct rte_flow_error error;
7404 actions[0].type = RTE_FLOW_ACTION_TYPE_JUMP;
7405 actions[0].conf = &jump;
7406 actions[1].type = RTE_FLOW_ACTION_TYPE_END;
7407 flow_idx = flow_list_create(dev, MLX5_FLOW_TYPE_CTL,
7408 &attr, items, actions, false, &error);
7411 "Failed to create ctrl flow: rte_errno(%d),"
7412 " type(%d), message(%s)",
7413 rte_errno, error.type,
7414 error.message ? error.message : " (no stated reason)");
7421 * Enable a control flow configured from the control plane.
7424 * Pointer to Ethernet device.
7426 * An Ethernet flow spec to apply.
7428 * An Ethernet flow mask to apply.
7430 * A VLAN flow spec to apply.
7432 * A VLAN flow mask to apply.
7435 * 0 on success, a negative errno value otherwise and rte_errno is set.
7438 mlx5_ctrl_flow_vlan(struct rte_eth_dev *dev,
7439 struct rte_flow_item_eth *eth_spec,
7440 struct rte_flow_item_eth *eth_mask,
7441 struct rte_flow_item_vlan *vlan_spec,
7442 struct rte_flow_item_vlan *vlan_mask)
7444 struct mlx5_priv *priv = dev->data->dev_private;
7445 const struct rte_flow_attr attr = {
7447 .priority = MLX5_FLOW_LOWEST_PRIO_INDICATOR,
7449 struct rte_flow_item items[] = {
7451 .type = RTE_FLOW_ITEM_TYPE_ETH,
7457 .type = (vlan_spec) ? RTE_FLOW_ITEM_TYPE_VLAN :
7458 RTE_FLOW_ITEM_TYPE_END,
7464 .type = RTE_FLOW_ITEM_TYPE_END,
7467 uint16_t queue[priv->reta_idx_n];
7468 struct rte_flow_action_rss action_rss = {
7469 .func = RTE_ETH_HASH_FUNCTION_DEFAULT,
7471 .types = priv->rss_conf.rss_hf,
7472 .key_len = priv->rss_conf.rss_key_len,
7473 .queue_num = priv->reta_idx_n,
7474 .key = priv->rss_conf.rss_key,
7477 struct rte_flow_action actions[] = {
7479 .type = RTE_FLOW_ACTION_TYPE_RSS,
7480 .conf = &action_rss,
7483 .type = RTE_FLOW_ACTION_TYPE_END,
7487 struct rte_flow_error error;
7490 if (!priv->reta_idx_n || !priv->rxqs_n) {
7493 if (!(dev->data->dev_conf.rxmode.mq_mode & RTE_ETH_MQ_RX_RSS_FLAG))
7494 action_rss.types = 0;
7495 for (i = 0; i != priv->reta_idx_n; ++i)
7496 queue[i] = (*priv->reta_idx)[i];
7497 flow_idx = flow_list_create(dev, MLX5_FLOW_TYPE_CTL,
7498 &attr, items, actions, false, &error);
7505 * Enable a flow control configured from the control plane.
7508 * Pointer to Ethernet device.
7510 * An Ethernet flow spec to apply.
7512 * An Ethernet flow mask to apply.
7515 * 0 on success, a negative errno value otherwise and rte_errno is set.
7518 mlx5_ctrl_flow(struct rte_eth_dev *dev,
7519 struct rte_flow_item_eth *eth_spec,
7520 struct rte_flow_item_eth *eth_mask)
7522 return mlx5_ctrl_flow_vlan(dev, eth_spec, eth_mask, NULL, NULL);
7526 * Create default miss flow rule matching lacp traffic
7529 * Pointer to Ethernet device.
7531 * An Ethernet flow spec to apply.
7534 * 0 on success, a negative errno value otherwise and rte_errno is set.
7537 mlx5_flow_lacp_miss(struct rte_eth_dev *dev)
7540 * The LACP matching is done by only using ether type since using
7541 * a multicast dst mac causes kernel to give low priority to this flow.
7543 static const struct rte_flow_item_eth lacp_spec = {
7544 .type = RTE_BE16(0x8809),
7546 static const struct rte_flow_item_eth lacp_mask = {
7549 const struct rte_flow_attr attr = {
7552 struct rte_flow_item items[] = {
7554 .type = RTE_FLOW_ITEM_TYPE_ETH,
7559 .type = RTE_FLOW_ITEM_TYPE_END,
7562 struct rte_flow_action actions[] = {
7564 .type = (enum rte_flow_action_type)
7565 MLX5_RTE_FLOW_ACTION_TYPE_DEFAULT_MISS,
7568 .type = RTE_FLOW_ACTION_TYPE_END,
7571 struct rte_flow_error error;
7572 uint32_t flow_idx = flow_list_create(dev, MLX5_FLOW_TYPE_CTL,
7573 &attr, items, actions,
7584 * @see rte_flow_destroy()
7588 mlx5_flow_destroy(struct rte_eth_dev *dev,
7589 struct rte_flow *flow,
7590 struct rte_flow_error *error __rte_unused)
7592 struct mlx5_priv *priv = dev->data->dev_private;
7594 if (priv->sh->config.dv_flow_en == 2)
7595 return rte_flow_error_set(error, ENOTSUP,
7596 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
7598 "Flow non-Q destruction not supported");
7599 flow_list_destroy(dev, MLX5_FLOW_TYPE_GEN,
7600 (uintptr_t)(void *)flow);
7605 * Destroy all flows.
7607 * @see rte_flow_flush()
7611 mlx5_flow_flush(struct rte_eth_dev *dev,
7612 struct rte_flow_error *error __rte_unused)
7614 mlx5_flow_list_flush(dev, MLX5_FLOW_TYPE_GEN, false);
7621 * @see rte_flow_isolate()
7625 mlx5_flow_isolate(struct rte_eth_dev *dev,
7627 struct rte_flow_error *error)
7629 struct mlx5_priv *priv = dev->data->dev_private;
7631 if (dev->data->dev_started) {
7632 rte_flow_error_set(error, EBUSY,
7633 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
7635 "port must be stopped first");
7638 priv->isolated = !!enable;
7640 dev->dev_ops = &mlx5_dev_ops_isolate;
7642 dev->dev_ops = &mlx5_dev_ops;
7644 dev->rx_descriptor_status = mlx5_rx_descriptor_status;
7645 dev->tx_descriptor_status = mlx5_tx_descriptor_status;
7653 * @see rte_flow_query()
7657 flow_drv_query(struct rte_eth_dev *dev,
7659 const struct rte_flow_action *actions,
7661 struct rte_flow_error *error)
7663 struct mlx5_priv *priv = dev->data->dev_private;
7664 const struct mlx5_flow_driver_ops *fops;
7665 struct rte_flow *flow = mlx5_ipool_get(priv->flows[MLX5_FLOW_TYPE_GEN],
7667 enum mlx5_flow_drv_type ftype;
7670 return rte_flow_error_set(error, ENOENT,
7671 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
7673 "invalid flow handle");
7675 ftype = flow->drv_type;
7676 MLX5_ASSERT(ftype > MLX5_FLOW_TYPE_MIN && ftype < MLX5_FLOW_TYPE_MAX);
7677 fops = flow_get_drv_ops(ftype);
7679 return fops->query(dev, flow, actions, data, error);
7685 * @see rte_flow_query()
7689 mlx5_flow_query(struct rte_eth_dev *dev,
7690 struct rte_flow *flow,
7691 const struct rte_flow_action *actions,
7693 struct rte_flow_error *error)
7696 struct mlx5_priv *priv = dev->data->dev_private;
7698 if (priv->sh->config.dv_flow_en == 2)
7699 return rte_flow_error_set(error, ENOTSUP,
7700 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
7702 "Flow non-Q query not supported");
7703 ret = flow_drv_query(dev, (uintptr_t)(void *)flow, actions, data,
7711 * Get rte_flow callbacks.
7714 * Pointer to Ethernet device structure.
7716 * Pointer to operation-specific structure.
7721 mlx5_flow_ops_get(struct rte_eth_dev *dev __rte_unused,
7722 const struct rte_flow_ops **ops)
7724 *ops = &mlx5_flow_ops;
7729 * Validate meter policy actions.
7730 * Dispatcher for action type specific validation.
7733 * Pointer to the Ethernet device structure.
7735 * The meter policy action object to validate.
7737 * Attributes of flow to determine steering domain.
7738 * @param[out] is_rss
7740 * @param[out] domain_bitmap
7742 * @param[out] is_def_policy
7743 * Is default policy or not.
7745 * Perform verbose error reporting if not NULL. Initialized in case of
7749 * 0 on success, otherwise negative errno value.
7752 mlx5_flow_validate_mtr_acts(struct rte_eth_dev *dev,
7753 const struct rte_flow_action *actions[RTE_COLORS],
7754 struct rte_flow_attr *attr,
7756 uint8_t *domain_bitmap,
7757 uint8_t *policy_mode,
7758 struct rte_mtr_error *error)
7760 const struct mlx5_flow_driver_ops *fops;
7762 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7763 return fops->validate_mtr_acts(dev, actions, attr, is_rss,
7764 domain_bitmap, policy_mode, error);
7768 * Destroy the meter table set.
7771 * Pointer to Ethernet device.
7772 * @param[in] mtr_policy
7773 * Meter policy struct.
7776 mlx5_flow_destroy_mtr_acts(struct rte_eth_dev *dev,
7777 struct mlx5_flow_meter_policy *mtr_policy)
7779 const struct mlx5_flow_driver_ops *fops;
7781 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7782 fops->destroy_mtr_acts(dev, mtr_policy);
7786 * Create policy action, lock free,
7787 * (mutex should be acquired by caller).
7788 * Dispatcher for action type specific call.
7791 * Pointer to the Ethernet device structure.
7792 * @param[in] mtr_policy
7793 * Meter policy struct.
7795 * Action specification used to create meter actions.
7797 * Perform verbose error reporting if not NULL. Initialized in case of
7801 * 0 on success, otherwise negative errno value.
7804 mlx5_flow_create_mtr_acts(struct rte_eth_dev *dev,
7805 struct mlx5_flow_meter_policy *mtr_policy,
7806 const struct rte_flow_action *actions[RTE_COLORS],
7807 struct rte_mtr_error *error)
7809 const struct mlx5_flow_driver_ops *fops;
7811 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7812 return fops->create_mtr_acts(dev, mtr_policy, actions, error);
7816 * Create policy rules, lock free,
7817 * (mutex should be acquired by caller).
7818 * Dispatcher for action type specific call.
7821 * Pointer to the Ethernet device structure.
7822 * @param[in] mtr_policy
7823 * Meter policy struct.
7826 * 0 on success, -1 otherwise.
7829 mlx5_flow_create_policy_rules(struct rte_eth_dev *dev,
7830 struct mlx5_flow_meter_policy *mtr_policy)
7832 const struct mlx5_flow_driver_ops *fops;
7834 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7835 return fops->create_policy_rules(dev, mtr_policy);
7839 * Destroy policy rules, lock free,
7840 * (mutex should be acquired by caller).
7841 * Dispatcher for action type specific call.
7844 * Pointer to the Ethernet device structure.
7845 * @param[in] mtr_policy
7846 * Meter policy struct.
7849 mlx5_flow_destroy_policy_rules(struct rte_eth_dev *dev,
7850 struct mlx5_flow_meter_policy *mtr_policy)
7852 const struct mlx5_flow_driver_ops *fops;
7854 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7855 fops->destroy_policy_rules(dev, mtr_policy);
7859 * Destroy the default policy table set.
7862 * Pointer to Ethernet device.
7865 mlx5_flow_destroy_def_policy(struct rte_eth_dev *dev)
7867 const struct mlx5_flow_driver_ops *fops;
7869 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7870 fops->destroy_def_policy(dev);
7874 * Destroy the default policy table set.
7877 * Pointer to Ethernet device.
7880 * 0 on success, -1 otherwise.
7883 mlx5_flow_create_def_policy(struct rte_eth_dev *dev)
7885 const struct mlx5_flow_driver_ops *fops;
7887 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7888 return fops->create_def_policy(dev);
7892 * Create the needed meter and suffix tables.
7895 * Pointer to Ethernet device.
7898 * 0 on success, -1 otherwise.
7901 mlx5_flow_create_mtr_tbls(struct rte_eth_dev *dev,
7902 struct mlx5_flow_meter_info *fm,
7904 uint8_t domain_bitmap)
7906 const struct mlx5_flow_driver_ops *fops;
7908 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7909 return fops->create_mtr_tbls(dev, fm, mtr_idx, domain_bitmap);
7913 * Destroy the meter table set.
7916 * Pointer to Ethernet device.
7918 * Pointer to the meter table set.
7921 mlx5_flow_destroy_mtr_tbls(struct rte_eth_dev *dev,
7922 struct mlx5_flow_meter_info *fm)
7924 const struct mlx5_flow_driver_ops *fops;
7926 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7927 fops->destroy_mtr_tbls(dev, fm);
7931 * Destroy the global meter drop table.
7934 * Pointer to Ethernet device.
7937 mlx5_flow_destroy_mtr_drop_tbls(struct rte_eth_dev *dev)
7939 const struct mlx5_flow_driver_ops *fops;
7941 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7942 fops->destroy_mtr_drop_tbls(dev);
7946 * Destroy the sub policy table with RX queue.
7949 * Pointer to Ethernet device.
7950 * @param[in] mtr_policy
7951 * Pointer to meter policy table.
7954 mlx5_flow_destroy_sub_policy_with_rxq(struct rte_eth_dev *dev,
7955 struct mlx5_flow_meter_policy *mtr_policy)
7957 const struct mlx5_flow_driver_ops *fops;
7959 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7960 fops->destroy_sub_policy_with_rxq(dev, mtr_policy);
7964 * Allocate the needed aso flow meter id.
7967 * Pointer to Ethernet device.
7970 * Index to aso flow meter on success, NULL otherwise.
7973 mlx5_flow_mtr_alloc(struct rte_eth_dev *dev)
7975 const struct mlx5_flow_driver_ops *fops;
7977 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7978 return fops->create_meter(dev);
7982 * Free the aso flow meter id.
7985 * Pointer to Ethernet device.
7986 * @param[in] mtr_idx
7987 * Index to aso flow meter to be free.
7993 mlx5_flow_mtr_free(struct rte_eth_dev *dev, uint32_t mtr_idx)
7995 const struct mlx5_flow_driver_ops *fops;
7997 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
7998 fops->free_meter(dev, mtr_idx);
8002 * Allocate a counter.
8005 * Pointer to Ethernet device structure.
8008 * Index to allocated counter on success, 0 otherwise.
8011 mlx5_counter_alloc(struct rte_eth_dev *dev)
8013 const struct mlx5_flow_driver_ops *fops;
8014 struct rte_flow_attr attr = { .transfer = 0 };
8016 if (flow_get_drv_type(dev, &attr) == MLX5_FLOW_TYPE_DV) {
8017 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
8018 return fops->counter_alloc(dev);
8021 "port %u counter allocate is not supported.",
8022 dev->data->port_id);
8030 * Pointer to Ethernet device structure.
8032 * Index to counter to be free.
8035 mlx5_counter_free(struct rte_eth_dev *dev, uint32_t cnt)
8037 const struct mlx5_flow_driver_ops *fops;
8038 struct rte_flow_attr attr = { .transfer = 0 };
8040 if (flow_get_drv_type(dev, &attr) == MLX5_FLOW_TYPE_DV) {
8041 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
8042 fops->counter_free(dev, cnt);
8046 "port %u counter free is not supported.",
8047 dev->data->port_id);
8051 * Query counter statistics.
8054 * Pointer to Ethernet device structure.
8056 * Index to counter to query.
8058 * Set to clear counter statistics.
8060 * The counter hits packets number to save.
8062 * The counter hits bytes number to save.
8065 * 0 on success, a negative errno value otherwise.
8068 mlx5_counter_query(struct rte_eth_dev *dev, uint32_t cnt,
8069 bool clear, uint64_t *pkts, uint64_t *bytes, void **action)
8071 const struct mlx5_flow_driver_ops *fops;
8072 struct rte_flow_attr attr = { .transfer = 0 };
8074 if (flow_get_drv_type(dev, &attr) == MLX5_FLOW_TYPE_DV) {
8075 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
8076 return fops->counter_query(dev, cnt, clear, pkts,
8080 "port %u counter query is not supported.",
8081 dev->data->port_id);
8086 * Get information about HWS pre-configurable resources.
8089 * Pointer to the rte_eth_dev structure.
8090 * @param[out] port_info
8091 * Pointer to port information.
8092 * @param[out] queue_info
8093 * Pointer to queue information.
8095 * Pointer to error structure.
8098 * 0 on success, a negative errno value otherwise and rte_errno is set.
8101 mlx5_flow_info_get(struct rte_eth_dev *dev,
8102 struct rte_flow_port_info *port_info,
8103 struct rte_flow_queue_info *queue_info,
8104 struct rte_flow_error *error)
8106 const struct mlx5_flow_driver_ops *fops;
8108 if (flow_get_drv_type(dev, NULL) != MLX5_FLOW_TYPE_HW)
8109 return rte_flow_error_set(error, ENOTSUP,
8110 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
8112 "info get with incorrect steering mode");
8113 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_HW);
8114 return fops->info_get(dev, port_info, queue_info, error);
8118 * Configure port HWS resources.
8121 * Pointer to the rte_eth_dev structure.
8122 * @param[in] port_attr
8123 * Port configuration attributes.
8124 * @param[in] nb_queue
8126 * @param[in] queue_attr
8127 * Array that holds attributes for each flow queue.
8129 * Pointer to error structure.
8132 * 0 on success, a negative errno value otherwise and rte_errno is set.
8135 mlx5_flow_port_configure(struct rte_eth_dev *dev,
8136 const struct rte_flow_port_attr *port_attr,
8138 const struct rte_flow_queue_attr *queue_attr[],
8139 struct rte_flow_error *error)
8141 const struct mlx5_flow_driver_ops *fops;
8143 if (flow_get_drv_type(dev, NULL) != MLX5_FLOW_TYPE_HW)
8144 return rte_flow_error_set(error, ENOTSUP,
8145 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
8147 "port configure with incorrect steering mode");
8148 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_HW);
8149 return fops->configure(dev, port_attr, nb_queue, queue_attr, error);
8153 * Create flow item template.
8156 * Pointer to the rte_eth_dev structure.
8158 * Pointer to the item template attributes.
8160 * The template item pattern.
8162 * Pointer to error structure.
8165 * 0 on success, a negative errno value otherwise and rte_errno is set.
8167 static struct rte_flow_pattern_template *
8168 mlx5_flow_pattern_template_create(struct rte_eth_dev *dev,
8169 const struct rte_flow_pattern_template_attr *attr,
8170 const struct rte_flow_item items[],
8171 struct rte_flow_error *error)
8173 const struct mlx5_flow_driver_ops *fops;
8175 if (flow_get_drv_type(dev, NULL) != MLX5_FLOW_TYPE_HW) {
8176 rte_flow_error_set(error, ENOTSUP,
8177 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
8179 "pattern create with incorrect steering mode");
8182 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_HW);
8183 return fops->pattern_template_create(dev, attr, items, error);
8187 * Destroy flow item template.
8190 * Pointer to the rte_eth_dev structure.
8191 * @param[in] template
8192 * Pointer to the item template to be destroyed.
8194 * Pointer to error structure.
8197 * 0 on success, a negative errno value otherwise and rte_errno is set.
8200 mlx5_flow_pattern_template_destroy(struct rte_eth_dev *dev,
8201 struct rte_flow_pattern_template *template,
8202 struct rte_flow_error *error)
8204 const struct mlx5_flow_driver_ops *fops;
8206 if (flow_get_drv_type(dev, NULL) != MLX5_FLOW_TYPE_HW)
8207 return rte_flow_error_set(error, ENOTSUP,
8208 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
8210 "pattern destroy with incorrect steering mode");
8211 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_HW);
8212 return fops->pattern_template_destroy(dev, template, error);
8216 * Create flow item template.
8219 * Pointer to the rte_eth_dev structure.
8221 * Pointer to the action template attributes.
8222 * @param[in] actions
8223 * Associated actions (list terminated by the END action).
8225 * List of actions that marks which of the action's member is constant.
8227 * Pointer to error structure.
8230 * 0 on success, a negative errno value otherwise and rte_errno is set.
8232 static struct rte_flow_actions_template *
8233 mlx5_flow_actions_template_create(struct rte_eth_dev *dev,
8234 const struct rte_flow_actions_template_attr *attr,
8235 const struct rte_flow_action actions[],
8236 const struct rte_flow_action masks[],
8237 struct rte_flow_error *error)
8239 const struct mlx5_flow_driver_ops *fops;
8241 if (flow_get_drv_type(dev, NULL) != MLX5_FLOW_TYPE_HW) {
8242 rte_flow_error_set(error, ENOTSUP,
8243 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
8245 "action create with incorrect steering mode");
8248 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_HW);
8249 return fops->actions_template_create(dev, attr, actions, masks, error);
8253 * Destroy flow action template.
8256 * Pointer to the rte_eth_dev structure.
8257 * @param[in] template
8258 * Pointer to the action template to be destroyed.
8260 * Pointer to error structure.
8263 * 0 on success, a negative errno value otherwise and rte_errno is set.
8266 mlx5_flow_actions_template_destroy(struct rte_eth_dev *dev,
8267 struct rte_flow_actions_template *template,
8268 struct rte_flow_error *error)
8270 const struct mlx5_flow_driver_ops *fops;
8272 if (flow_get_drv_type(dev, NULL) != MLX5_FLOW_TYPE_HW)
8273 return rte_flow_error_set(error, ENOTSUP,
8274 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
8276 "action destroy with incorrect steering mode");
8277 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_HW);
8278 return fops->actions_template_destroy(dev, template, error);
8282 * Create flow table.
8285 * Pointer to the rte_eth_dev structure.
8287 * Pointer to the table attributes.
8288 * @param[in] item_templates
8289 * Item template array to be binded to the table.
8290 * @param[in] nb_item_templates
8291 * Number of item template.
8292 * @param[in] action_templates
8293 * Action template array to be binded to the table.
8294 * @param[in] nb_action_templates
8295 * Number of action template.
8297 * Pointer to error structure.
8300 * Table on success, NULL otherwise and rte_errno is set.
8302 static struct rte_flow_template_table *
8303 mlx5_flow_table_create(struct rte_eth_dev *dev,
8304 const struct rte_flow_template_table_attr *attr,
8305 struct rte_flow_pattern_template *item_templates[],
8306 uint8_t nb_item_templates,
8307 struct rte_flow_actions_template *action_templates[],
8308 uint8_t nb_action_templates,
8309 struct rte_flow_error *error)
8311 const struct mlx5_flow_driver_ops *fops;
8313 if (flow_get_drv_type(dev, NULL) != MLX5_FLOW_TYPE_HW) {
8314 rte_flow_error_set(error, ENOTSUP,
8315 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
8317 "table create with incorrect steering mode");
8320 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_HW);
8321 return fops->template_table_create(dev,
8326 nb_action_templates,
8331 * PMD destroy flow table.
8334 * Pointer to the rte_eth_dev structure.
8336 * Pointer to the table to be destroyed.
8338 * Pointer to error structure.
8341 * 0 on success, a negative errno value otherwise and rte_errno is set.
8344 mlx5_flow_table_destroy(struct rte_eth_dev *dev,
8345 struct rte_flow_template_table *table,
8346 struct rte_flow_error *error)
8348 const struct mlx5_flow_driver_ops *fops;
8350 if (flow_get_drv_type(dev, NULL) != MLX5_FLOW_TYPE_HW)
8351 return rte_flow_error_set(error, ENOTSUP,
8352 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
8354 "table destroy with incorrect steering mode");
8355 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_HW);
8356 return fops->template_table_destroy(dev, table, error);
8360 * Enqueue flow creation.
8363 * Pointer to the rte_eth_dev structure.
8364 * @param[in] queue_id
8365 * The queue to create the flow.
8367 * Pointer to the flow operation attributes.
8369 * Items with flow spec value.
8370 * @param[in] pattern_template_index
8371 * The item pattern flow follows from the table.
8372 * @param[in] actions
8373 * Action with flow spec value.
8374 * @param[in] action_template_index
8375 * The action pattern flow follows from the table.
8376 * @param[in] user_data
8377 * Pointer to the user_data.
8379 * Pointer to error structure.
8382 * Flow pointer on success, NULL otherwise and rte_errno is set.
8384 static struct rte_flow *
8385 mlx5_flow_async_flow_create(struct rte_eth_dev *dev,
8387 const struct rte_flow_op_attr *attr,
8388 struct rte_flow_template_table *table,
8389 const struct rte_flow_item items[],
8390 uint8_t pattern_template_index,
8391 const struct rte_flow_action actions[],
8392 uint8_t action_template_index,
8394 struct rte_flow_error *error)
8396 const struct mlx5_flow_driver_ops *fops;
8398 if (flow_get_drv_type(dev, NULL) != MLX5_FLOW_TYPE_HW) {
8399 rte_flow_error_set(error, ENOTSUP,
8400 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
8402 "flow_q create with incorrect steering mode");
8405 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_HW);
8406 return fops->async_flow_create(dev, queue_id, attr, table,
8407 items, pattern_template_index,
8408 actions, action_template_index,
8413 * Enqueue flow destruction.
8416 * Pointer to the rte_eth_dev structure.
8418 * The queue to destroy the flow.
8420 * Pointer to the flow operation attributes.
8422 * Pointer to the flow to be destroyed.
8423 * @param[in] user_data
8424 * Pointer to the user_data.
8426 * Pointer to error structure.
8429 * 0 on success, negative value otherwise and rte_errno is set.
8432 mlx5_flow_async_flow_destroy(struct rte_eth_dev *dev,
8434 const struct rte_flow_op_attr *attr,
8435 struct rte_flow *flow,
8437 struct rte_flow_error *error)
8439 const struct mlx5_flow_driver_ops *fops;
8441 if (flow_get_drv_type(dev, NULL) != MLX5_FLOW_TYPE_HW)
8442 return rte_flow_error_set(error, ENOTSUP,
8443 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
8445 "flow_q destroy with incorrect steering mode");
8446 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_HW);
8447 return fops->async_flow_destroy(dev, queue, attr, flow,
8452 * Pull the enqueued flows.
8455 * Pointer to the rte_eth_dev structure.
8457 * The queue to pull the result.
8458 * @param[in/out] res
8459 * Array to save the results.
8461 * Available result with the array.
8463 * Pointer to error structure.
8466 * Result number on success, negative value otherwise and rte_errno is set.
8469 mlx5_flow_pull(struct rte_eth_dev *dev,
8471 struct rte_flow_op_result res[],
8473 struct rte_flow_error *error)
8475 const struct mlx5_flow_driver_ops *fops;
8477 if (flow_get_drv_type(dev, NULL) != MLX5_FLOW_TYPE_HW)
8478 return rte_flow_error_set(error, ENOTSUP,
8479 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
8481 "flow_q pull with incorrect steering mode");
8482 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_HW);
8483 return fops->pull(dev, queue, res, n_res, error);
8487 * Push the enqueued flows.
8490 * Pointer to the rte_eth_dev structure.
8492 * The queue to push the flows.
8494 * Pointer to error structure.
8497 * 0 on success, negative value otherwise and rte_errno is set.
8500 mlx5_flow_push(struct rte_eth_dev *dev,
8502 struct rte_flow_error *error)
8504 const struct mlx5_flow_driver_ops *fops;
8506 if (flow_get_drv_type(dev, NULL) != MLX5_FLOW_TYPE_HW)
8507 return rte_flow_error_set(error, ENOTSUP,
8508 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
8510 "flow_q push with incorrect steering mode");
8511 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_HW);
8512 return fops->push(dev, queue, error);
8516 * Create shared action.
8519 * Pointer to the rte_eth_dev structure.
8521 * Which queue to be used..
8523 * Operation attribute.
8525 * Indirect action configuration.
8527 * rte_flow action detail.
8528 * @param[in] user_data
8529 * Pointer to the user_data.
8531 * Pointer to error structure.
8534 * Action handle on success, NULL otherwise and rte_errno is set.
8536 static struct rte_flow_action_handle *
8537 mlx5_flow_async_action_handle_create(struct rte_eth_dev *dev, uint32_t queue,
8538 const struct rte_flow_op_attr *attr,
8539 const struct rte_flow_indir_action_conf *conf,
8540 const struct rte_flow_action *action,
8542 struct rte_flow_error *error)
8544 const struct mlx5_flow_driver_ops *fops =
8545 flow_get_drv_ops(MLX5_FLOW_TYPE_HW);
8547 return fops->async_action_create(dev, queue, attr, conf, action,
8552 * Update shared action.
8555 * Pointer to the rte_eth_dev structure.
8557 * Which queue to be used..
8559 * Operation attribute.
8561 * Action handle to be updated.
8564 * @param[in] user_data
8565 * Pointer to the user_data.
8567 * Pointer to error structure.
8570 * 0 on success, negative value otherwise and rte_errno is set.
8573 mlx5_flow_async_action_handle_update(struct rte_eth_dev *dev, uint32_t queue,
8574 const struct rte_flow_op_attr *attr,
8575 struct rte_flow_action_handle *handle,
8578 struct rte_flow_error *error)
8580 const struct mlx5_flow_driver_ops *fops =
8581 flow_get_drv_ops(MLX5_FLOW_TYPE_HW);
8583 return fops->async_action_update(dev, queue, attr, handle,
8584 update, user_data, error);
8588 * Destroy shared action.
8591 * Pointer to the rte_eth_dev structure.
8593 * Which queue to be used..
8595 * Operation attribute.
8597 * Action handle to be destroyed.
8598 * @param[in] user_data
8599 * Pointer to the user_data.
8601 * Pointer to error structure.
8604 * 0 on success, negative value otherwise and rte_errno is set.
8607 mlx5_flow_async_action_handle_destroy(struct rte_eth_dev *dev, uint32_t queue,
8608 const struct rte_flow_op_attr *attr,
8609 struct rte_flow_action_handle *handle,
8611 struct rte_flow_error *error)
8613 const struct mlx5_flow_driver_ops *fops =
8614 flow_get_drv_ops(MLX5_FLOW_TYPE_HW);
8616 return fops->async_action_destroy(dev, queue, attr, handle,
8621 * Allocate a new memory for the counter values wrapped by all the needed
8625 * Pointer to mlx5_dev_ctx_shared object.
8628 * 0 on success, a negative errno value otherwise.
8631 mlx5_flow_create_counter_stat_mem_mng(struct mlx5_dev_ctx_shared *sh)
8633 struct mlx5_counter_stats_mem_mng *mem_mng;
8634 volatile struct flow_counter_stats *raw_data;
8635 int raws_n = MLX5_CNT_CONTAINER_RESIZE + MLX5_MAX_PENDING_QUERIES;
8636 int size = (sizeof(struct flow_counter_stats) *
8637 MLX5_COUNTERS_PER_POOL +
8638 sizeof(struct mlx5_counter_stats_raw)) * raws_n +
8639 sizeof(struct mlx5_counter_stats_mem_mng);
8640 size_t pgsize = rte_mem_page_size();
8645 if (pgsize == (size_t)-1) {
8646 DRV_LOG(ERR, "Failed to get mem page size");
8650 mem = mlx5_malloc(MLX5_MEM_ZERO, size, pgsize, SOCKET_ID_ANY);
8655 mem_mng = (struct mlx5_counter_stats_mem_mng *)(mem + size) - 1;
8656 size = sizeof(*raw_data) * MLX5_COUNTERS_PER_POOL * raws_n;
8657 ret = mlx5_os_wrapped_mkey_create(sh->cdev->ctx, sh->cdev->pd,
8658 sh->cdev->pdn, mem, size,
8665 mem_mng->raws = (struct mlx5_counter_stats_raw *)(mem + size);
8666 raw_data = (volatile struct flow_counter_stats *)mem;
8667 for (i = 0; i < raws_n; ++i) {
8668 mem_mng->raws[i].mem_mng = mem_mng;
8669 mem_mng->raws[i].data = raw_data + i * MLX5_COUNTERS_PER_POOL;
8671 for (i = 0; i < MLX5_MAX_PENDING_QUERIES; ++i)
8672 LIST_INSERT_HEAD(&sh->cmng.free_stat_raws,
8673 mem_mng->raws + MLX5_CNT_CONTAINER_RESIZE + i,
8675 LIST_INSERT_HEAD(&sh->cmng.mem_mngs, mem_mng, next);
8676 sh->cmng.mem_mng = mem_mng;
8681 * Set the statistic memory to the new counter pool.
8684 * Pointer to mlx5_dev_ctx_shared object.
8686 * Pointer to the pool to set the statistic memory.
8689 * 0 on success, a negative errno value otherwise.
8692 mlx5_flow_set_counter_stat_mem(struct mlx5_dev_ctx_shared *sh,
8693 struct mlx5_flow_counter_pool *pool)
8695 struct mlx5_flow_counter_mng *cmng = &sh->cmng;
8696 /* Resize statistic memory once used out. */
8697 if (!(pool->index % MLX5_CNT_CONTAINER_RESIZE) &&
8698 mlx5_flow_create_counter_stat_mem_mng(sh)) {
8699 DRV_LOG(ERR, "Cannot resize counter stat mem.");
8702 rte_spinlock_lock(&pool->sl);
8703 pool->raw = cmng->mem_mng->raws + pool->index %
8704 MLX5_CNT_CONTAINER_RESIZE;
8705 rte_spinlock_unlock(&pool->sl);
8706 pool->raw_hw = NULL;
8710 #define MLX5_POOL_QUERY_FREQ_US 1000000
8713 * Set the periodic procedure for triggering asynchronous batch queries for all
8714 * the counter pools.
8717 * Pointer to mlx5_dev_ctx_shared object.
8720 mlx5_set_query_alarm(struct mlx5_dev_ctx_shared *sh)
8722 uint32_t pools_n, us;
8724 pools_n = __atomic_load_n(&sh->cmng.n_valid, __ATOMIC_RELAXED);
8725 us = MLX5_POOL_QUERY_FREQ_US / pools_n;
8726 DRV_LOG(DEBUG, "Set alarm for %u pools each %u us", pools_n, us);
8727 if (rte_eal_alarm_set(us, mlx5_flow_query_alarm, sh)) {
8728 sh->cmng.query_thread_on = 0;
8729 DRV_LOG(ERR, "Cannot reinitialize query alarm");
8731 sh->cmng.query_thread_on = 1;
8736 * The periodic procedure for triggering asynchronous batch queries for all the
8737 * counter pools. This function is probably called by the host thread.
8740 * The parameter for the alarm process.
8743 mlx5_flow_query_alarm(void *arg)
8745 struct mlx5_dev_ctx_shared *sh = arg;
8747 uint16_t pool_index = sh->cmng.pool_index;
8748 struct mlx5_flow_counter_mng *cmng = &sh->cmng;
8749 struct mlx5_flow_counter_pool *pool;
8752 if (sh->cmng.pending_queries >= MLX5_MAX_PENDING_QUERIES)
8754 rte_spinlock_lock(&cmng->pool_update_sl);
8755 pool = cmng->pools[pool_index];
8756 n_valid = cmng->n_valid;
8757 rte_spinlock_unlock(&cmng->pool_update_sl);
8758 /* Set the statistic memory to the new created pool. */
8759 if ((!pool->raw && mlx5_flow_set_counter_stat_mem(sh, pool)))
8762 /* There is a pool query in progress. */
8765 LIST_FIRST(&sh->cmng.free_stat_raws);
8767 /* No free counter statistics raw memory. */
8770 * Identify the counters released between query trigger and query
8771 * handle more efficiently. The counter released in this gap period
8772 * should wait for a new round of query as the new arrived packets
8773 * will not be taken into account.
8776 ret = mlx5_devx_cmd_flow_counter_query(pool->min_dcs, 0,
8777 MLX5_COUNTERS_PER_POOL,
8779 pool->raw_hw->mem_mng->wm.lkey,
8783 (uint64_t)(uintptr_t)pool);
8785 DRV_LOG(ERR, "Failed to trigger asynchronous query for dcs ID"
8786 " %d", pool->min_dcs->id);
8787 pool->raw_hw = NULL;
8790 LIST_REMOVE(pool->raw_hw, next);
8791 sh->cmng.pending_queries++;
8793 if (pool_index >= n_valid)
8796 sh->cmng.pool_index = pool_index;
8797 mlx5_set_query_alarm(sh);
8801 * Check and callback event for new aged flow in the counter pool
8804 * Pointer to mlx5_dev_ctx_shared object.
8806 * Pointer to Current counter pool.
8809 mlx5_flow_aging_check(struct mlx5_dev_ctx_shared *sh,
8810 struct mlx5_flow_counter_pool *pool)
8812 struct mlx5_priv *priv;
8813 struct mlx5_flow_counter *cnt;
8814 struct mlx5_age_info *age_info;
8815 struct mlx5_age_param *age_param;
8816 struct mlx5_counter_stats_raw *cur = pool->raw_hw;
8817 struct mlx5_counter_stats_raw *prev = pool->raw;
8818 const uint64_t curr_time = MLX5_CURR_TIME_SEC;
8819 const uint32_t time_delta = curr_time - pool->time_of_last_age_check;
8820 uint16_t expected = AGE_CANDIDATE;
8823 pool->time_of_last_age_check = curr_time;
8824 for (i = 0; i < MLX5_COUNTERS_PER_POOL; ++i) {
8825 cnt = MLX5_POOL_GET_CNT(pool, i);
8826 age_param = MLX5_CNT_TO_AGE(cnt);
8827 if (__atomic_load_n(&age_param->state,
8828 __ATOMIC_RELAXED) != AGE_CANDIDATE)
8830 if (cur->data[i].hits != prev->data[i].hits) {
8831 __atomic_store_n(&age_param->sec_since_last_hit, 0,
8835 if (__atomic_add_fetch(&age_param->sec_since_last_hit,
8837 __ATOMIC_RELAXED) <= age_param->timeout)
8840 * Hold the lock first, or if between the
8841 * state AGE_TMOUT and tailq operation the
8842 * release happened, the release procedure
8843 * may delete a non-existent tailq node.
8845 priv = rte_eth_devices[age_param->port_id].data->dev_private;
8846 age_info = GET_PORT_AGE_INFO(priv);
8847 rte_spinlock_lock(&age_info->aged_sl);
8848 if (__atomic_compare_exchange_n(&age_param->state, &expected,
8851 __ATOMIC_RELAXED)) {
8852 TAILQ_INSERT_TAIL(&age_info->aged_counters, cnt, next);
8853 MLX5_AGE_SET(age_info, MLX5_AGE_EVENT_NEW);
8855 rte_spinlock_unlock(&age_info->aged_sl);
8857 mlx5_age_event_prepare(sh);
8861 * Handler for the HW respond about ready values from an asynchronous batch
8862 * query. This function is probably called by the host thread.
8865 * The pointer to the shared device context.
8866 * @param[in] async_id
8867 * The Devx async ID.
8869 * The status of the completion.
8872 mlx5_flow_async_pool_query_handle(struct mlx5_dev_ctx_shared *sh,
8873 uint64_t async_id, int status)
8875 struct mlx5_flow_counter_pool *pool =
8876 (struct mlx5_flow_counter_pool *)(uintptr_t)async_id;
8877 struct mlx5_counter_stats_raw *raw_to_free;
8878 uint8_t query_gen = pool->query_gen ^ 1;
8879 struct mlx5_flow_counter_mng *cmng = &sh->cmng;
8880 enum mlx5_counter_type cnt_type =
8881 pool->is_aged ? MLX5_COUNTER_TYPE_AGE :
8882 MLX5_COUNTER_TYPE_ORIGIN;
8884 if (unlikely(status)) {
8885 raw_to_free = pool->raw_hw;
8887 raw_to_free = pool->raw;
8889 mlx5_flow_aging_check(sh, pool);
8890 rte_spinlock_lock(&pool->sl);
8891 pool->raw = pool->raw_hw;
8892 rte_spinlock_unlock(&pool->sl);
8893 /* Be sure the new raw counters data is updated in memory. */
8895 if (!TAILQ_EMPTY(&pool->counters[query_gen])) {
8896 rte_spinlock_lock(&cmng->csl[cnt_type]);
8897 TAILQ_CONCAT(&cmng->counters[cnt_type],
8898 &pool->counters[query_gen], next);
8899 rte_spinlock_unlock(&cmng->csl[cnt_type]);
8902 LIST_INSERT_HEAD(&sh->cmng.free_stat_raws, raw_to_free, next);
8903 pool->raw_hw = NULL;
8904 sh->cmng.pending_queries--;
8908 flow_group_to_table(uint32_t port_id, uint32_t group, uint32_t *table,
8909 const struct flow_grp_info *grp_info,
8910 struct rte_flow_error *error)
8912 if (grp_info->transfer && grp_info->external &&
8913 grp_info->fdb_def_rule) {
8914 if (group == UINT32_MAX)
8915 return rte_flow_error_set
8917 RTE_FLOW_ERROR_TYPE_ATTR_GROUP,
8919 "group index not supported");
8924 DRV_LOG(DEBUG, "port %u group=%#x table=%#x", port_id, group, *table);
8929 * Translate the rte_flow group index to HW table value.
8931 * If tunnel offload is disabled, all group ids converted to flow table
8932 * id using the standard method.
8933 * If tunnel offload is enabled, group id can be converted using the
8934 * standard or tunnel conversion method. Group conversion method
8935 * selection depends on flags in `grp_info` parameter:
8936 * - Internal (grp_info.external == 0) groups conversion uses the
8938 * - Group ids in JUMP action converted with the tunnel conversion.
8939 * - Group id in rule attribute conversion depends on a rule type and
8941 * ** non zero group attributes converted with the tunnel method
8942 * ** zero group attribute in non-tunnel rule is converted using the
8943 * standard method - there's only one root table
8944 * ** zero group attribute in steer tunnel rule is converted with the
8945 * standard method - single root table
8946 * ** zero group attribute in match tunnel rule is a special OvS
8947 * case: that value is used for portability reasons. That group
8948 * id is converted with the tunnel conversion method.
8953 * PMD tunnel offload object
8955 * rte_flow group index value.
8958 * @param[in] grp_info
8959 * flags used for conversion
8961 * Pointer to error structure.
8964 * 0 on success, a negative errno value otherwise and rte_errno is set.
8967 mlx5_flow_group_to_table(struct rte_eth_dev *dev,
8968 const struct mlx5_flow_tunnel *tunnel,
8969 uint32_t group, uint32_t *table,
8970 const struct flow_grp_info *grp_info,
8971 struct rte_flow_error *error)
8974 bool standard_translation;
8976 if (!grp_info->skip_scale && grp_info->external &&
8977 group < MLX5_MAX_TABLES_EXTERNAL)
8978 group *= MLX5_FLOW_TABLE_FACTOR;
8979 if (is_tunnel_offload_active(dev)) {
8980 standard_translation = !grp_info->external ||
8981 grp_info->std_tbl_fix;
8983 standard_translation = true;
8986 "port %u group=%u transfer=%d external=%d fdb_def_rule=%d translate=%s",
8987 dev->data->port_id, group, grp_info->transfer,
8988 grp_info->external, grp_info->fdb_def_rule,
8989 standard_translation ? "STANDARD" : "TUNNEL");
8990 if (standard_translation)
8991 ret = flow_group_to_table(dev->data->port_id, group, table,
8994 ret = tunnel_flow_group_to_flow_table(dev, tunnel, group,
9001 * Discover availability of metadata reg_c's.
9003 * Iteratively use test flows to check availability.
9006 * Pointer to the Ethernet device structure.
9009 * 0 on success, a negative errno value otherwise and rte_errno is set.
9012 mlx5_flow_discover_mreg_c(struct rte_eth_dev *dev)
9014 struct mlx5_priv *priv = dev->data->dev_private;
9015 enum modify_reg idx;
9018 /* reg_c[0] and reg_c[1] are reserved. */
9019 priv->sh->flow_mreg_c[n++] = REG_C_0;
9020 priv->sh->flow_mreg_c[n++] = REG_C_1;
9021 /* Discover availability of other reg_c's. */
9022 for (idx = REG_C_2; idx <= REG_C_7; ++idx) {
9023 struct rte_flow_attr attr = {
9024 .group = MLX5_FLOW_MREG_CP_TABLE_GROUP,
9025 .priority = MLX5_FLOW_LOWEST_PRIO_INDICATOR,
9028 struct rte_flow_item items[] = {
9030 .type = RTE_FLOW_ITEM_TYPE_END,
9033 struct rte_flow_action actions[] = {
9035 .type = (enum rte_flow_action_type)
9036 MLX5_RTE_FLOW_ACTION_TYPE_COPY_MREG,
9037 .conf = &(struct mlx5_flow_action_copy_mreg){
9043 .type = RTE_FLOW_ACTION_TYPE_JUMP,
9044 .conf = &(struct rte_flow_action_jump){
9045 .group = MLX5_FLOW_MREG_ACT_TABLE_GROUP,
9049 .type = RTE_FLOW_ACTION_TYPE_END,
9053 struct rte_flow *flow;
9054 struct rte_flow_error error;
9056 if (!priv->sh->config.dv_flow_en)
9058 /* Create internal flow, validation skips copy action. */
9059 flow_idx = flow_list_create(dev, MLX5_FLOW_TYPE_GEN, &attr,
9060 items, actions, false, &error);
9061 flow = mlx5_ipool_get(priv->flows[MLX5_FLOW_TYPE_GEN],
9065 priv->sh->flow_mreg_c[n++] = idx;
9066 flow_list_destroy(dev, MLX5_FLOW_TYPE_GEN, flow_idx);
9068 for (; n < MLX5_MREG_C_NUM; ++n)
9069 priv->sh->flow_mreg_c[n] = REG_NON;
9070 priv->sh->metadata_regc_check_flag = 1;
9075 save_dump_file(const uint8_t *data, uint32_t size,
9076 uint32_t type, uint64_t id, void *arg, FILE *file)
9078 char line[BUF_SIZE];
9081 uint32_t actions_num;
9082 struct rte_flow_query_count *count;
9084 memset(line, 0, BUF_SIZE);
9086 case DR_DUMP_REC_TYPE_PMD_MODIFY_HDR:
9087 actions_num = *(uint32_t *)(arg);
9088 out += snprintf(line + out, BUF_SIZE - out, "%d,0x%" PRIx64 ",%d,",
9089 type, id, actions_num);
9091 case DR_DUMP_REC_TYPE_PMD_PKT_REFORMAT:
9092 out += snprintf(line + out, BUF_SIZE - out, "%d,0x%" PRIx64 ",",
9095 case DR_DUMP_REC_TYPE_PMD_COUNTER:
9096 count = (struct rte_flow_query_count *)arg;
9098 "%d,0x%" PRIx64 ",%" PRIu64 ",%" PRIu64 "\n",
9099 type, id, count->hits, count->bytes);
9105 for (k = 0; k < size; k++) {
9106 /* Make sure we do not overrun the line buffer length. */
9107 if (out >= BUF_SIZE - 4) {
9111 out += snprintf(line + out, BUF_SIZE - out, "%02x",
9114 fprintf(file, "%s\n", line);
9119 mlx5_flow_query_counter(struct rte_eth_dev *dev, struct rte_flow *flow,
9120 struct rte_flow_query_count *count, struct rte_flow_error *error)
9122 struct rte_flow_action action[2];
9123 enum mlx5_flow_drv_type ftype;
9124 const struct mlx5_flow_driver_ops *fops;
9127 return rte_flow_error_set(error, ENOENT,
9128 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
9130 "invalid flow handle");
9132 action[0].type = RTE_FLOW_ACTION_TYPE_COUNT;
9133 action[1].type = RTE_FLOW_ACTION_TYPE_END;
9134 if (flow->counter) {
9135 memset(count, 0, sizeof(struct rte_flow_query_count));
9136 ftype = (enum mlx5_flow_drv_type)(flow->drv_type);
9137 MLX5_ASSERT(ftype > MLX5_FLOW_TYPE_MIN &&
9138 ftype < MLX5_FLOW_TYPE_MAX);
9139 fops = flow_get_drv_ops(ftype);
9140 return fops->query(dev, flow, action, count, error);
9145 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
9147 * Dump flow ipool data to file
9150 * The pointer to Ethernet device.
9152 * A pointer to a file for output.
9154 * Perform verbose error reporting if not NULL. PMDs initialize this
9155 * structure in case of error only.
9157 * 0 on success, a negative value otherwise.
9160 mlx5_flow_dev_dump_ipool(struct rte_eth_dev *dev,
9161 struct rte_flow *flow, FILE *file,
9162 struct rte_flow_error *error)
9164 struct mlx5_priv *priv = dev->data->dev_private;
9165 struct mlx5_flow_dv_modify_hdr_resource *modify_hdr;
9166 struct mlx5_flow_dv_encap_decap_resource *encap_decap;
9167 uint32_t handle_idx;
9168 struct mlx5_flow_handle *dh;
9169 struct rte_flow_query_count count;
9170 uint32_t actions_num;
9171 const uint8_t *data;
9175 void *action = NULL;
9178 return rte_flow_error_set(error, ENOENT,
9179 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
9181 "invalid flow handle");
9183 handle_idx = flow->dev_handles;
9185 if (flow->counter &&
9186 (!mlx5_counter_query(dev, flow->counter, false,
9187 &count.hits, &count.bytes, &action)) && action) {
9188 id = (uint64_t)(uintptr_t)action;
9189 type = DR_DUMP_REC_TYPE_PMD_COUNTER;
9190 save_dump_file(NULL, 0, type,
9191 id, (void *)&count, file);
9194 while (handle_idx) {
9195 dh = mlx5_ipool_get(priv->sh->ipool
9196 [MLX5_IPOOL_MLX5_FLOW], handle_idx);
9199 handle_idx = dh->next.next;
9201 /* Get modify_hdr and encap_decap buf from ipools. */
9203 modify_hdr = dh->dvh.modify_hdr;
9205 if (dh->dvh.rix_encap_decap) {
9206 encap_decap = mlx5_ipool_get(priv->sh->ipool
9207 [MLX5_IPOOL_DECAP_ENCAP],
9208 dh->dvh.rix_encap_decap);
9211 data = (const uint8_t *)modify_hdr->actions;
9212 size = (size_t)(modify_hdr->actions_num) * 8;
9213 id = (uint64_t)(uintptr_t)modify_hdr->action;
9214 actions_num = modify_hdr->actions_num;
9215 type = DR_DUMP_REC_TYPE_PMD_MODIFY_HDR;
9216 save_dump_file(data, size, type, id,
9217 (void *)(&actions_num), file);
9220 data = encap_decap->buf;
9221 size = encap_decap->size;
9222 id = (uint64_t)(uintptr_t)encap_decap->action;
9223 type = DR_DUMP_REC_TYPE_PMD_PKT_REFORMAT;
9224 save_dump_file(data, size, type,
9232 * Dump all flow's encap_decap/modify_hdr/counter data to file
9235 * The pointer to Ethernet device.
9237 * A pointer to a file for output.
9239 * Perform verbose error reporting if not NULL. PMDs initialize this
9240 * structure in case of error only.
9242 * 0 on success, a negative value otherwise.
9245 mlx5_flow_dev_dump_sh_all(struct rte_eth_dev *dev,
9246 FILE *file, struct rte_flow_error *error __rte_unused)
9248 struct mlx5_priv *priv = dev->data->dev_private;
9249 struct mlx5_dev_ctx_shared *sh = priv->sh;
9250 struct mlx5_hlist *h;
9251 struct mlx5_flow_dv_modify_hdr_resource *modify_hdr;
9252 struct mlx5_flow_dv_encap_decap_resource *encap_decap;
9253 struct rte_flow_query_count count;
9254 uint32_t actions_num;
9255 const uint8_t *data;
9261 struct mlx5_list_inconst *l_inconst;
9262 struct mlx5_list_entry *e;
9264 struct mlx5_flow_counter_mng *cmng = &priv->sh->cmng;
9268 /* encap_decap hlist is lcore_share, get global core cache. */
9269 i = MLX5_LIST_GLOBAL;
9270 h = sh->encaps_decaps;
9272 for (j = 0; j <= h->mask; j++) {
9273 l_inconst = &h->buckets[j].l;
9274 if (!l_inconst || !l_inconst->cache[i])
9277 e = LIST_FIRST(&l_inconst->cache[i]->h);
9280 (struct mlx5_flow_dv_encap_decap_resource *)e;
9281 data = encap_decap->buf;
9282 size = encap_decap->size;
9283 id = (uint64_t)(uintptr_t)encap_decap->action;
9284 type = DR_DUMP_REC_TYPE_PMD_PKT_REFORMAT;
9285 save_dump_file(data, size, type,
9287 e = LIST_NEXT(e, next);
9292 /* get modify_hdr */
9293 h = sh->modify_cmds;
9295 lcore_index = rte_lcore_index(rte_lcore_id());
9296 if (unlikely(lcore_index == -1)) {
9297 lcore_index = MLX5_LIST_NLCORE;
9298 rte_spinlock_lock(&h->l_const.lcore_lock);
9302 for (j = 0; j <= h->mask; j++) {
9303 l_inconst = &h->buckets[j].l;
9304 if (!l_inconst || !l_inconst->cache[i])
9307 e = LIST_FIRST(&l_inconst->cache[i]->h);
9310 (struct mlx5_flow_dv_modify_hdr_resource *)e;
9311 data = (const uint8_t *)modify_hdr->actions;
9312 size = (size_t)(modify_hdr->actions_num) * 8;
9313 actions_num = modify_hdr->actions_num;
9314 id = (uint64_t)(uintptr_t)modify_hdr->action;
9315 type = DR_DUMP_REC_TYPE_PMD_MODIFY_HDR;
9316 save_dump_file(data, size, type, id,
9317 (void *)(&actions_num), file);
9318 e = LIST_NEXT(e, next);
9322 if (unlikely(lcore_index == MLX5_LIST_NLCORE))
9323 rte_spinlock_unlock(&h->l_const.lcore_lock);
9327 MLX5_ASSERT(cmng->n_valid <= cmng->n);
9328 max = MLX5_COUNTERS_PER_POOL * cmng->n_valid;
9329 for (j = 1; j <= max; j++) {
9331 if ((!mlx5_counter_query(dev, j, false, &count.hits,
9332 &count.bytes, &action)) && action) {
9333 id = (uint64_t)(uintptr_t)action;
9334 type = DR_DUMP_REC_TYPE_PMD_COUNTER;
9335 save_dump_file(NULL, 0, type,
9336 id, (void *)&count, file);
9344 * Dump flow raw hw data to file
9347 * The pointer to Ethernet device.
9349 * A pointer to a file for output.
9351 * Perform verbose error reporting if not NULL. PMDs initialize this
9352 * structure in case of error only.
9354 * 0 on success, a negative value otherwise.
9357 mlx5_flow_dev_dump(struct rte_eth_dev *dev, struct rte_flow *flow_idx,
9359 struct rte_flow_error *error __rte_unused)
9361 struct mlx5_priv *priv = dev->data->dev_private;
9362 struct mlx5_dev_ctx_shared *sh = priv->sh;
9363 uint32_t handle_idx;
9365 struct mlx5_flow_handle *dh;
9366 struct rte_flow *flow;
9368 if (!sh->config.dv_flow_en) {
9369 if (fputs("device dv flow disabled\n", file) <= 0)
9376 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
9377 if (mlx5_flow_dev_dump_sh_all(dev, file, error))
9380 return mlx5_devx_cmd_flow_dump(sh->fdb_domain,
9382 sh->tx_domain, file);
9385 flow = mlx5_ipool_get(priv->flows[MLX5_FLOW_TYPE_GEN],
9386 (uintptr_t)(void *)flow_idx);
9390 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
9391 mlx5_flow_dev_dump_ipool(dev, flow, file, error);
9393 handle_idx = flow->dev_handles;
9394 while (handle_idx) {
9395 dh = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_MLX5_FLOW],
9400 ret = mlx5_devx_cmd_flow_single_dump(dh->drv_flow,
9405 handle_idx = dh->next.next;
9411 * Get aged-out flows.
9414 * Pointer to the Ethernet device structure.
9415 * @param[in] context
9416 * The address of an array of pointers to the aged-out flows contexts.
9417 * @param[in] nb_countexts
9418 * The length of context array pointers.
9420 * Perform verbose error reporting if not NULL. Initialized in case of
9424 * how many contexts get in success, otherwise negative errno value.
9425 * if nb_contexts is 0, return the amount of all aged contexts.
9426 * if nb_contexts is not 0 , return the amount of aged flows reported
9427 * in the context array.
9430 mlx5_flow_get_aged_flows(struct rte_eth_dev *dev, void **contexts,
9431 uint32_t nb_contexts, struct rte_flow_error *error)
9433 const struct mlx5_flow_driver_ops *fops;
9434 struct rte_flow_attr attr = { .transfer = 0 };
9436 if (flow_get_drv_type(dev, &attr) == MLX5_FLOW_TYPE_DV) {
9437 fops = flow_get_drv_ops(MLX5_FLOW_TYPE_DV);
9438 return fops->get_aged_flows(dev, contexts, nb_contexts,
9442 "port %u get aged flows is not supported.",
9443 dev->data->port_id);
9447 /* Wrapper for driver action_validate op callback */
9449 flow_drv_action_validate(struct rte_eth_dev *dev,
9450 const struct rte_flow_indir_action_conf *conf,
9451 const struct rte_flow_action *action,
9452 const struct mlx5_flow_driver_ops *fops,
9453 struct rte_flow_error *error)
9455 static const char err_msg[] = "indirect action validation unsupported";
9457 if (!fops->action_validate) {
9458 DRV_LOG(ERR, "port %u %s.", dev->data->port_id, err_msg);
9459 rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
9463 return fops->action_validate(dev, conf, action, error);
9467 * Destroys the shared action by handle.
9470 * Pointer to Ethernet device structure.
9472 * Handle for the indirect action object to be destroyed.
9474 * Perform verbose error reporting if not NULL. PMDs initialize this
9475 * structure in case of error only.
9478 * 0 on success, a negative errno value otherwise and rte_errno is set.
9480 * @note: wrapper for driver action_create op callback.
9483 mlx5_action_handle_destroy(struct rte_eth_dev *dev,
9484 struct rte_flow_action_handle *handle,
9485 struct rte_flow_error *error)
9487 static const char err_msg[] = "indirect action destruction unsupported";
9488 struct rte_flow_attr attr = { .transfer = 0 };
9489 const struct mlx5_flow_driver_ops *fops =
9490 flow_get_drv_ops(flow_get_drv_type(dev, &attr));
9492 if (!fops->action_destroy) {
9493 DRV_LOG(ERR, "port %u %s.", dev->data->port_id, err_msg);
9494 rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
9498 return fops->action_destroy(dev, handle, error);
9501 /* Wrapper for driver action_destroy op callback */
9503 flow_drv_action_update(struct rte_eth_dev *dev,
9504 struct rte_flow_action_handle *handle,
9506 const struct mlx5_flow_driver_ops *fops,
9507 struct rte_flow_error *error)
9509 static const char err_msg[] = "indirect action update unsupported";
9511 if (!fops->action_update) {
9512 DRV_LOG(ERR, "port %u %s.", dev->data->port_id, err_msg);
9513 rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
9517 return fops->action_update(dev, handle, update, error);
9520 /* Wrapper for driver action_destroy op callback */
9522 flow_drv_action_query(struct rte_eth_dev *dev,
9523 const struct rte_flow_action_handle *handle,
9525 const struct mlx5_flow_driver_ops *fops,
9526 struct rte_flow_error *error)
9528 static const char err_msg[] = "indirect action query unsupported";
9530 if (!fops->action_query) {
9531 DRV_LOG(ERR, "port %u %s.", dev->data->port_id, err_msg);
9532 rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
9536 return fops->action_query(dev, handle, data, error);
9540 * Create indirect action for reuse in multiple flow rules.
9543 * Pointer to Ethernet device structure.
9545 * Pointer to indirect action object configuration.
9547 * Action configuration for indirect action object creation.
9549 * Perform verbose error reporting if not NULL. PMDs initialize this
9550 * structure in case of error only.
9552 * A valid handle in case of success, NULL otherwise and rte_errno is set.
9554 static struct rte_flow_action_handle *
9555 mlx5_action_handle_create(struct rte_eth_dev *dev,
9556 const struct rte_flow_indir_action_conf *conf,
9557 const struct rte_flow_action *action,
9558 struct rte_flow_error *error)
9560 static const char err_msg[] = "indirect action creation unsupported";
9561 struct rte_flow_attr attr = { .transfer = 0 };
9562 const struct mlx5_flow_driver_ops *fops =
9563 flow_get_drv_ops(flow_get_drv_type(dev, &attr));
9565 if (flow_drv_action_validate(dev, conf, action, fops, error))
9567 if (!fops->action_create) {
9568 DRV_LOG(ERR, "port %u %s.", dev->data->port_id, err_msg);
9569 rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
9573 return fops->action_create(dev, conf, action, error);
9577 * Updates inplace the indirect action configuration pointed by *handle*
9578 * with the configuration provided as *update* argument.
9579 * The update of the indirect action configuration effects all flow rules
9580 * reusing the action via handle.
9583 * Pointer to Ethernet device structure.
9585 * Handle for the indirect action to be updated.
9587 * Action specification used to modify the action pointed by handle.
9588 * *update* could be of same type with the action pointed by the *handle*
9589 * handle argument, or some other structures like a wrapper, depending on
9590 * the indirect action type.
9592 * Perform verbose error reporting if not NULL. PMDs initialize this
9593 * structure in case of error only.
9596 * 0 on success, a negative errno value otherwise and rte_errno is set.
9599 mlx5_action_handle_update(struct rte_eth_dev *dev,
9600 struct rte_flow_action_handle *handle,
9602 struct rte_flow_error *error)
9604 struct rte_flow_attr attr = { .transfer = 0 };
9605 const struct mlx5_flow_driver_ops *fops =
9606 flow_get_drv_ops(flow_get_drv_type(dev, &attr));
9609 ret = flow_drv_action_validate(dev, NULL,
9610 (const struct rte_flow_action *)update, fops, error);
9613 return flow_drv_action_update(dev, handle, update, fops,
9618 * Query the indirect action by handle.
9620 * This function allows retrieving action-specific data such as counters.
9621 * Data is gathered by special action which may be present/referenced in
9622 * more than one flow rule definition.
9624 * see @RTE_FLOW_ACTION_TYPE_COUNT
9627 * Pointer to Ethernet device structure.
9629 * Handle for the indirect action to query.
9630 * @param[in, out] data
9631 * Pointer to storage for the associated query data type.
9633 * Perform verbose error reporting if not NULL. PMDs initialize this
9634 * structure in case of error only.
9637 * 0 on success, a negative errno value otherwise and rte_errno is set.
9640 mlx5_action_handle_query(struct rte_eth_dev *dev,
9641 const struct rte_flow_action_handle *handle,
9643 struct rte_flow_error *error)
9645 struct rte_flow_attr attr = { .transfer = 0 };
9646 const struct mlx5_flow_driver_ops *fops =
9647 flow_get_drv_ops(flow_get_drv_type(dev, &attr));
9649 return flow_drv_action_query(dev, handle, data, fops, error);
9653 * Destroy all indirect actions (shared RSS).
9656 * Pointer to Ethernet device.
9659 * 0 on success, a negative errno value otherwise and rte_errno is set.
9662 mlx5_action_handle_flush(struct rte_eth_dev *dev)
9664 struct rte_flow_error error;
9665 struct mlx5_priv *priv = dev->data->dev_private;
9666 struct mlx5_shared_action_rss *shared_rss;
9670 ILIST_FOREACH(priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS],
9671 priv->rss_shared_actions, idx, shared_rss, next) {
9672 ret |= mlx5_action_handle_destroy(dev,
9673 (struct rte_flow_action_handle *)(uintptr_t)idx, &error);
9679 * Validate existing indirect actions against current device configuration
9680 * and attach them to device resources.
9683 * Pointer to Ethernet device.
9686 * 0 on success, a negative errno value otherwise and rte_errno is set.
9689 mlx5_action_handle_attach(struct rte_eth_dev *dev)
9691 struct mlx5_priv *priv = dev->data->dev_private;
9693 struct mlx5_ind_table_obj *ind_tbl, *ind_tbl_last;
9695 LIST_FOREACH(ind_tbl, &priv->standalone_ind_tbls, next) {
9696 const char *message;
9699 ret = mlx5_validate_rss_queues(dev, ind_tbl->queues,
9701 &message, &queue_idx);
9703 DRV_LOG(ERR, "Port %u cannot use queue %u in RSS: %s",
9704 dev->data->port_id, ind_tbl->queues[queue_idx],
9711 LIST_FOREACH(ind_tbl, &priv->standalone_ind_tbls, next) {
9712 ret = mlx5_ind_table_obj_attach(dev, ind_tbl);
9714 DRV_LOG(ERR, "Port %u could not attach "
9715 "indirection table obj %p",
9716 dev->data->port_id, (void *)ind_tbl);
9723 ind_tbl_last = ind_tbl;
9724 LIST_FOREACH(ind_tbl, &priv->standalone_ind_tbls, next) {
9725 if (ind_tbl == ind_tbl_last)
9727 if (mlx5_ind_table_obj_detach(dev, ind_tbl) != 0)
9728 DRV_LOG(CRIT, "Port %u could not detach "
9729 "indirection table obj %p on rollback",
9730 dev->data->port_id, (void *)ind_tbl);
9736 * Detach indirect actions of the device from its resources.
9739 * Pointer to Ethernet device.
9742 * 0 on success, a negative errno value otherwise and rte_errno is set.
9745 mlx5_action_handle_detach(struct rte_eth_dev *dev)
9747 struct mlx5_priv *priv = dev->data->dev_private;
9749 struct mlx5_ind_table_obj *ind_tbl, *ind_tbl_last;
9751 LIST_FOREACH(ind_tbl, &priv->standalone_ind_tbls, next) {
9752 ret = mlx5_ind_table_obj_detach(dev, ind_tbl);
9754 DRV_LOG(ERR, "Port %u could not detach "
9755 "indirection table obj %p",
9756 dev->data->port_id, (void *)ind_tbl);
9762 ind_tbl_last = ind_tbl;
9763 LIST_FOREACH(ind_tbl, &priv->standalone_ind_tbls, next) {
9764 if (ind_tbl == ind_tbl_last)
9766 if (mlx5_ind_table_obj_attach(dev, ind_tbl) != 0)
9767 DRV_LOG(CRIT, "Port %u could not attach "
9768 "indirection table obj %p on rollback",
9769 dev->data->port_id, (void *)ind_tbl);
9774 #ifndef HAVE_MLX5DV_DR
9775 #define MLX5_DOMAIN_SYNC_FLOW ((1 << 0) | (1 << 1))
9777 #define MLX5_DOMAIN_SYNC_FLOW \
9778 (MLX5DV_DR_DOMAIN_SYNC_FLAGS_SW | MLX5DV_DR_DOMAIN_SYNC_FLAGS_HW)
9781 int rte_pmd_mlx5_sync_flow(uint16_t port_id, uint32_t domains)
9783 struct rte_eth_dev *dev = &rte_eth_devices[port_id];
9784 const struct mlx5_flow_driver_ops *fops;
9786 struct rte_flow_attr attr = { .transfer = 0 };
9788 fops = flow_get_drv_ops(flow_get_drv_type(dev, &attr));
9789 ret = fops->sync_domain(dev, domains, MLX5_DOMAIN_SYNC_FLOW);
9795 const struct mlx5_flow_tunnel *
9796 mlx5_get_tof(const struct rte_flow_item *item,
9797 const struct rte_flow_action *action,
9798 enum mlx5_tof_rule_type *rule_type)
9800 for (; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
9801 if (item->type == (typeof(item->type))
9802 MLX5_RTE_FLOW_ITEM_TYPE_TUNNEL) {
9803 *rule_type = MLX5_TUNNEL_OFFLOAD_MATCH_RULE;
9804 return flow_items_to_tunnel(item);
9807 for (; action->conf != RTE_FLOW_ACTION_TYPE_END; action++) {
9808 if (action->type == (typeof(action->type))
9809 MLX5_RTE_FLOW_ACTION_TYPE_TUNNEL_SET) {
9810 *rule_type = MLX5_TUNNEL_OFFLOAD_SET_RULE;
9811 return flow_actions_to_tunnel(action);
9818 * tunnel offload functionality is defined for DV environment only
9820 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
9822 union tunnel_offload_mark {
9825 uint32_t app_reserve:8;
9826 uint32_t table_id:15;
9827 uint32_t transfer:1;
9828 uint32_t _unused_:8;
9833 mlx5_access_tunnel_offload_db
9834 (struct rte_eth_dev *dev,
9835 bool (*match)(struct rte_eth_dev *,
9836 struct mlx5_flow_tunnel *, const void *),
9837 void (*hit)(struct rte_eth_dev *, struct mlx5_flow_tunnel *, void *),
9838 void (*miss)(struct rte_eth_dev *, void *),
9839 void *ctx, bool lock_op);
9842 flow_tunnel_add_default_miss(struct rte_eth_dev *dev,
9843 struct rte_flow *flow,
9844 const struct rte_flow_attr *attr,
9845 const struct rte_flow_action *app_actions,
9847 const struct mlx5_flow_tunnel *tunnel,
9848 struct tunnel_default_miss_ctx *ctx,
9849 struct rte_flow_error *error)
9851 struct mlx5_priv *priv = dev->data->dev_private;
9852 struct mlx5_flow *dev_flow;
9853 struct rte_flow_attr miss_attr = *attr;
9854 const struct rte_flow_item miss_items[2] = {
9856 .type = RTE_FLOW_ITEM_TYPE_ETH,
9862 .type = RTE_FLOW_ITEM_TYPE_END,
9868 union tunnel_offload_mark mark_id;
9869 struct rte_flow_action_mark miss_mark;
9870 struct rte_flow_action miss_actions[3] = {
9871 [0] = { .type = RTE_FLOW_ACTION_TYPE_MARK, .conf = &miss_mark },
9872 [2] = { .type = RTE_FLOW_ACTION_TYPE_END, .conf = NULL }
9874 const struct rte_flow_action_jump *jump_data;
9875 uint32_t i, flow_table = 0; /* prevent compilation warning */
9876 struct flow_grp_info grp_info = {
9878 .transfer = attr->transfer,
9879 .fdb_def_rule = !!priv->fdb_def_rule,
9884 if (!attr->transfer) {
9887 miss_actions[1].type = RTE_FLOW_ACTION_TYPE_RSS;
9888 q_size = priv->reta_idx_n * sizeof(ctx->queue[0]);
9889 ctx->queue = mlx5_malloc(MLX5_MEM_SYS | MLX5_MEM_ZERO, q_size,
9892 return rte_flow_error_set
9894 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
9895 NULL, "invalid default miss RSS");
9896 ctx->action_rss.func = RTE_ETH_HASH_FUNCTION_DEFAULT,
9897 ctx->action_rss.level = 0,
9898 ctx->action_rss.types = priv->rss_conf.rss_hf,
9899 ctx->action_rss.key_len = priv->rss_conf.rss_key_len,
9900 ctx->action_rss.queue_num = priv->reta_idx_n,
9901 ctx->action_rss.key = priv->rss_conf.rss_key,
9902 ctx->action_rss.queue = ctx->queue;
9903 if (!priv->reta_idx_n || !priv->rxqs_n)
9904 return rte_flow_error_set
9906 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
9907 NULL, "invalid port configuration");
9908 if (!(dev->data->dev_conf.rxmode.mq_mode & RTE_ETH_MQ_RX_RSS_FLAG))
9909 ctx->action_rss.types = 0;
9910 for (i = 0; i != priv->reta_idx_n; ++i)
9911 ctx->queue[i] = (*priv->reta_idx)[i];
9913 miss_actions[1].type = RTE_FLOW_ACTION_TYPE_JUMP;
9914 ctx->miss_jump.group = MLX5_TNL_MISS_FDB_JUMP_GRP;
9916 miss_actions[1].conf = (typeof(miss_actions[1].conf))ctx->raw;
9917 for (; app_actions->type != RTE_FLOW_ACTION_TYPE_JUMP; app_actions++);
9918 jump_data = app_actions->conf;
9919 miss_attr.priority = MLX5_TNL_MISS_RULE_PRIORITY;
9920 miss_attr.group = jump_data->group;
9921 ret = mlx5_flow_group_to_table(dev, tunnel, jump_data->group,
9922 &flow_table, &grp_info, error);
9924 return rte_flow_error_set(error, EINVAL,
9925 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
9926 NULL, "invalid tunnel id");
9927 mark_id.app_reserve = 0;
9928 mark_id.table_id = tunnel_flow_tbl_to_id(flow_table);
9929 mark_id.transfer = !!attr->transfer;
9930 mark_id._unused_ = 0;
9931 miss_mark.id = mark_id.val;
9932 dev_flow = flow_drv_prepare(dev, flow, &miss_attr,
9933 miss_items, miss_actions, flow_idx, error);
9936 dev_flow->flow = flow;
9937 dev_flow->external = true;
9938 dev_flow->tunnel = tunnel;
9939 dev_flow->tof_type = MLX5_TUNNEL_OFFLOAD_MISS_RULE;
9940 /* Subflow object was created, we must include one in the list. */
9941 SILIST_INSERT(&flow->dev_handles, dev_flow->handle_idx,
9942 dev_flow->handle, next);
9944 "port %u tunnel type=%d id=%u miss rule priority=%u group=%u",
9945 dev->data->port_id, tunnel->app_tunnel.type,
9946 tunnel->tunnel_id, miss_attr.priority, miss_attr.group);
9947 ret = flow_drv_translate(dev, dev_flow, &miss_attr, miss_items,
9948 miss_actions, error);
9950 ret = flow_mreg_update_copy_table(dev, flow, miss_actions,
9956 static const struct mlx5_flow_tbl_data_entry *
9957 tunnel_mark_decode(struct rte_eth_dev *dev, uint32_t mark)
9959 struct mlx5_priv *priv = dev->data->dev_private;
9960 struct mlx5_dev_ctx_shared *sh = priv->sh;
9961 struct mlx5_list_entry *he;
9962 union tunnel_offload_mark mbits = { .val = mark };
9963 union mlx5_flow_tbl_key table_key = {
9965 .level = tunnel_id_to_flow_tbl(mbits.table_id),
9969 .is_fdb = !!mbits.transfer,
9973 struct mlx5_flow_cb_ctx ctx = {
9974 .data = &table_key.v64,
9977 he = mlx5_hlist_lookup(sh->flow_tbls, table_key.v64, &ctx);
9979 container_of(he, struct mlx5_flow_tbl_data_entry, entry) : NULL;
9983 mlx5_flow_tunnel_grp2tbl_remove_cb(void *tool_ctx,
9984 struct mlx5_list_entry *entry)
9986 struct mlx5_dev_ctx_shared *sh = tool_ctx;
9987 struct tunnel_tbl_entry *tte = container_of(entry, typeof(*tte), hash);
9989 mlx5_ipool_free(sh->ipool[MLX5_IPOOL_TNL_TBL_ID],
9990 tunnel_flow_tbl_to_id(tte->flow_table));
9995 mlx5_flow_tunnel_grp2tbl_match_cb(void *tool_ctx __rte_unused,
9996 struct mlx5_list_entry *entry, void *cb_ctx)
9998 struct mlx5_flow_cb_ctx *ctx = cb_ctx;
9999 union tunnel_tbl_key tbl = {
10000 .val = *(uint64_t *)(ctx->data),
10002 struct tunnel_tbl_entry *tte = container_of(entry, typeof(*tte), hash);
10004 return tbl.tunnel_id != tte->tunnel_id || tbl.group != tte->group;
10007 static struct mlx5_list_entry *
10008 mlx5_flow_tunnel_grp2tbl_create_cb(void *tool_ctx, void *cb_ctx)
10010 struct mlx5_dev_ctx_shared *sh = tool_ctx;
10011 struct mlx5_flow_cb_ctx *ctx = cb_ctx;
10012 struct tunnel_tbl_entry *tte;
10013 union tunnel_tbl_key tbl = {
10014 .val = *(uint64_t *)(ctx->data),
10017 tte = mlx5_malloc(MLX5_MEM_SYS | MLX5_MEM_ZERO,
10022 mlx5_ipool_malloc(sh->ipool[MLX5_IPOOL_TNL_TBL_ID],
10024 if (tte->flow_table >= MLX5_MAX_TABLES) {
10025 DRV_LOG(ERR, "Tunnel TBL ID %d exceed max limit.",
10027 mlx5_ipool_free(sh->ipool[MLX5_IPOOL_TNL_TBL_ID],
10030 } else if (!tte->flow_table) {
10033 tte->flow_table = tunnel_id_to_flow_tbl(tte->flow_table);
10034 tte->tunnel_id = tbl.tunnel_id;
10035 tte->group = tbl.group;
10043 static struct mlx5_list_entry *
10044 mlx5_flow_tunnel_grp2tbl_clone_cb(void *tool_ctx __rte_unused,
10045 struct mlx5_list_entry *oentry,
10046 void *cb_ctx __rte_unused)
10048 struct tunnel_tbl_entry *tte = mlx5_malloc(MLX5_MEM_SYS, sizeof(*tte),
10053 memcpy(tte, oentry, sizeof(*tte));
10058 mlx5_flow_tunnel_grp2tbl_clone_free_cb(void *tool_ctx __rte_unused,
10059 struct mlx5_list_entry *entry)
10061 struct tunnel_tbl_entry *tte = container_of(entry, typeof(*tte), hash);
10067 tunnel_flow_group_to_flow_table(struct rte_eth_dev *dev,
10068 const struct mlx5_flow_tunnel *tunnel,
10069 uint32_t group, uint32_t *table,
10070 struct rte_flow_error *error)
10072 struct mlx5_list_entry *he;
10073 struct tunnel_tbl_entry *tte;
10074 union tunnel_tbl_key key = {
10075 .tunnel_id = tunnel ? tunnel->tunnel_id : 0,
10078 struct mlx5_flow_tunnel_hub *thub = mlx5_tunnel_hub(dev);
10079 struct mlx5_hlist *group_hash;
10080 struct mlx5_flow_cb_ctx ctx = {
10084 group_hash = tunnel ? tunnel->groups : thub->groups;
10085 he = mlx5_hlist_register(group_hash, key.val, &ctx);
10087 return rte_flow_error_set(error, EINVAL,
10088 RTE_FLOW_ERROR_TYPE_ATTR_GROUP,
10090 "tunnel group index not supported");
10091 tte = container_of(he, typeof(*tte), hash);
10092 *table = tte->flow_table;
10093 DRV_LOG(DEBUG, "port %u tunnel %u group=%#x table=%#x",
10094 dev->data->port_id, key.tunnel_id, group, *table);
10099 mlx5_flow_tunnel_free(struct rte_eth_dev *dev,
10100 struct mlx5_flow_tunnel *tunnel)
10102 struct mlx5_priv *priv = dev->data->dev_private;
10103 struct mlx5_indexed_pool *ipool;
10105 DRV_LOG(DEBUG, "port %u release pmd tunnel id=0x%x",
10106 dev->data->port_id, tunnel->tunnel_id);
10107 LIST_REMOVE(tunnel, chain);
10108 mlx5_hlist_destroy(tunnel->groups);
10109 ipool = priv->sh->ipool[MLX5_IPOOL_TUNNEL_ID];
10110 mlx5_ipool_free(ipool, tunnel->tunnel_id);
10114 mlx5_access_tunnel_offload_db
10115 (struct rte_eth_dev *dev,
10116 bool (*match)(struct rte_eth_dev *,
10117 struct mlx5_flow_tunnel *, const void *),
10118 void (*hit)(struct rte_eth_dev *, struct mlx5_flow_tunnel *, void *),
10119 void (*miss)(struct rte_eth_dev *, void *),
10120 void *ctx, bool lock_op)
10122 bool verdict = false;
10123 struct mlx5_flow_tunnel_hub *thub = mlx5_tunnel_hub(dev);
10124 struct mlx5_flow_tunnel *tunnel;
10126 rte_spinlock_lock(&thub->sl);
10127 LIST_FOREACH(tunnel, &thub->tunnels, chain) {
10128 verdict = match(dev, tunnel, (const void *)ctx);
10133 rte_spinlock_unlock(&thub->sl);
10134 if (verdict && hit)
10135 hit(dev, tunnel, ctx);
10136 if (!verdict && miss)
10139 rte_spinlock_unlock(&thub->sl);
10144 struct tunnel_db_find_tunnel_id_ctx {
10145 uint32_t tunnel_id;
10146 struct mlx5_flow_tunnel *tunnel;
10150 find_tunnel_id_match(struct rte_eth_dev *dev,
10151 struct mlx5_flow_tunnel *tunnel, const void *x)
10153 const struct tunnel_db_find_tunnel_id_ctx *ctx = x;
10156 return tunnel->tunnel_id == ctx->tunnel_id;
10160 find_tunnel_id_hit(struct rte_eth_dev *dev,
10161 struct mlx5_flow_tunnel *tunnel, void *x)
10163 struct tunnel_db_find_tunnel_id_ctx *ctx = x;
10165 ctx->tunnel = tunnel;
10168 static struct mlx5_flow_tunnel *
10169 mlx5_find_tunnel_id(struct rte_eth_dev *dev, uint32_t id)
10171 struct tunnel_db_find_tunnel_id_ctx ctx = {
10175 mlx5_access_tunnel_offload_db(dev, find_tunnel_id_match,
10176 find_tunnel_id_hit, NULL, &ctx, true);
10181 static struct mlx5_flow_tunnel *
10182 mlx5_flow_tunnel_allocate(struct rte_eth_dev *dev,
10183 const struct rte_flow_tunnel *app_tunnel)
10185 struct mlx5_priv *priv = dev->data->dev_private;
10186 struct mlx5_indexed_pool *ipool;
10187 struct mlx5_flow_tunnel *tunnel;
10190 ipool = priv->sh->ipool[MLX5_IPOOL_TUNNEL_ID];
10191 tunnel = mlx5_ipool_zmalloc(ipool, &id);
10194 if (id >= MLX5_MAX_TUNNELS) {
10195 mlx5_ipool_free(ipool, id);
10196 DRV_LOG(ERR, "Tunnel ID %d exceed max limit.", id);
10199 tunnel->groups = mlx5_hlist_create("tunnel groups", 64, false, true,
10201 mlx5_flow_tunnel_grp2tbl_create_cb,
10202 mlx5_flow_tunnel_grp2tbl_match_cb,
10203 mlx5_flow_tunnel_grp2tbl_remove_cb,
10204 mlx5_flow_tunnel_grp2tbl_clone_cb,
10205 mlx5_flow_tunnel_grp2tbl_clone_free_cb);
10206 if (!tunnel->groups) {
10207 mlx5_ipool_free(ipool, id);
10210 /* initiate new PMD tunnel */
10211 memcpy(&tunnel->app_tunnel, app_tunnel, sizeof(*app_tunnel));
10212 tunnel->tunnel_id = id;
10213 tunnel->action.type = (typeof(tunnel->action.type))
10214 MLX5_RTE_FLOW_ACTION_TYPE_TUNNEL_SET;
10215 tunnel->action.conf = tunnel;
10216 tunnel->item.type = (typeof(tunnel->item.type))
10217 MLX5_RTE_FLOW_ITEM_TYPE_TUNNEL;
10218 tunnel->item.spec = tunnel;
10219 tunnel->item.last = NULL;
10220 tunnel->item.mask = NULL;
10222 DRV_LOG(DEBUG, "port %u new pmd tunnel id=0x%x",
10223 dev->data->port_id, tunnel->tunnel_id);
10228 struct tunnel_db_get_tunnel_ctx {
10229 const struct rte_flow_tunnel *app_tunnel;
10230 struct mlx5_flow_tunnel *tunnel;
10233 static bool get_tunnel_match(struct rte_eth_dev *dev,
10234 struct mlx5_flow_tunnel *tunnel, const void *x)
10236 const struct tunnel_db_get_tunnel_ctx *ctx = x;
10239 return !memcmp(ctx->app_tunnel, &tunnel->app_tunnel,
10240 sizeof(*ctx->app_tunnel));
10243 static void get_tunnel_hit(struct rte_eth_dev *dev,
10244 struct mlx5_flow_tunnel *tunnel, void *x)
10246 /* called under tunnel spinlock protection */
10247 struct tunnel_db_get_tunnel_ctx *ctx = x;
10251 ctx->tunnel = tunnel;
10254 static void get_tunnel_miss(struct rte_eth_dev *dev, void *x)
10256 /* called under tunnel spinlock protection */
10257 struct mlx5_flow_tunnel_hub *thub = mlx5_tunnel_hub(dev);
10258 struct tunnel_db_get_tunnel_ctx *ctx = x;
10260 rte_spinlock_unlock(&thub->sl);
10261 ctx->tunnel = mlx5_flow_tunnel_allocate(dev, ctx->app_tunnel);
10262 rte_spinlock_lock(&thub->sl);
10264 ctx->tunnel->refctn = 1;
10265 LIST_INSERT_HEAD(&thub->tunnels, ctx->tunnel, chain);
10271 mlx5_get_flow_tunnel(struct rte_eth_dev *dev,
10272 const struct rte_flow_tunnel *app_tunnel,
10273 struct mlx5_flow_tunnel **tunnel)
10275 struct tunnel_db_get_tunnel_ctx ctx = {
10276 .app_tunnel = app_tunnel,
10279 mlx5_access_tunnel_offload_db(dev, get_tunnel_match, get_tunnel_hit,
10280 get_tunnel_miss, &ctx, true);
10281 *tunnel = ctx.tunnel;
10282 return ctx.tunnel ? 0 : -ENOMEM;
10285 void mlx5_release_tunnel_hub(struct mlx5_dev_ctx_shared *sh, uint16_t port_id)
10287 struct mlx5_flow_tunnel_hub *thub = sh->tunnel_hub;
10291 if (!LIST_EMPTY(&thub->tunnels))
10292 DRV_LOG(WARNING, "port %u tunnels present", port_id);
10293 mlx5_hlist_destroy(thub->groups);
10297 int mlx5_alloc_tunnel_hub(struct mlx5_dev_ctx_shared *sh)
10300 struct mlx5_flow_tunnel_hub *thub;
10302 thub = mlx5_malloc(MLX5_MEM_SYS | MLX5_MEM_ZERO, sizeof(*thub),
10306 LIST_INIT(&thub->tunnels);
10307 rte_spinlock_init(&thub->sl);
10308 thub->groups = mlx5_hlist_create("flow groups", 64,
10310 mlx5_flow_tunnel_grp2tbl_create_cb,
10311 mlx5_flow_tunnel_grp2tbl_match_cb,
10312 mlx5_flow_tunnel_grp2tbl_remove_cb,
10313 mlx5_flow_tunnel_grp2tbl_clone_cb,
10314 mlx5_flow_tunnel_grp2tbl_clone_free_cb);
10315 if (!thub->groups) {
10319 sh->tunnel_hub = thub;
10325 mlx5_hlist_destroy(thub->groups);
10332 mlx5_flow_tunnel_validate(struct rte_eth_dev *dev,
10333 struct rte_flow_tunnel *tunnel,
10334 struct rte_flow_error *error)
10336 struct mlx5_priv *priv = dev->data->dev_private;
10338 if (!priv->sh->config.dv_flow_en)
10339 return rte_flow_error_set(error, ENOTSUP,
10340 RTE_FLOW_ERROR_TYPE_ACTION_CONF, NULL,
10341 "flow DV interface is off");
10342 if (!is_tunnel_offload_active(dev))
10343 return rte_flow_error_set(error, ENOTSUP,
10344 RTE_FLOW_ERROR_TYPE_ACTION_CONF, NULL,
10345 "tunnel offload was not activated");
10347 return rte_flow_error_set(error, EINVAL,
10348 RTE_FLOW_ERROR_TYPE_ACTION_CONF, NULL,
10349 "no application tunnel");
10350 switch (tunnel->type) {
10352 return rte_flow_error_set(error, EINVAL,
10353 RTE_FLOW_ERROR_TYPE_ACTION_CONF, NULL,
10354 "unsupported tunnel type");
10355 case RTE_FLOW_ITEM_TYPE_VXLAN:
10356 case RTE_FLOW_ITEM_TYPE_GRE:
10357 case RTE_FLOW_ITEM_TYPE_NVGRE:
10358 case RTE_FLOW_ITEM_TYPE_GENEVE:
10365 mlx5_flow_tunnel_decap_set(struct rte_eth_dev *dev,
10366 struct rte_flow_tunnel *app_tunnel,
10367 struct rte_flow_action **actions,
10368 uint32_t *num_of_actions,
10369 struct rte_flow_error *error)
10371 struct mlx5_flow_tunnel *tunnel;
10372 int ret = mlx5_flow_tunnel_validate(dev, app_tunnel, error);
10376 ret = mlx5_get_flow_tunnel(dev, app_tunnel, &tunnel);
10378 return rte_flow_error_set(error, ret,
10379 RTE_FLOW_ERROR_TYPE_ACTION_CONF, NULL,
10380 "failed to initialize pmd tunnel");
10382 *actions = &tunnel->action;
10383 *num_of_actions = 1;
10388 mlx5_flow_tunnel_match(struct rte_eth_dev *dev,
10389 struct rte_flow_tunnel *app_tunnel,
10390 struct rte_flow_item **items,
10391 uint32_t *num_of_items,
10392 struct rte_flow_error *error)
10394 struct mlx5_flow_tunnel *tunnel;
10395 int ret = mlx5_flow_tunnel_validate(dev, app_tunnel, error);
10399 ret = mlx5_get_flow_tunnel(dev, app_tunnel, &tunnel);
10401 return rte_flow_error_set(error, ret,
10402 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
10403 "failed to initialize pmd tunnel");
10405 *items = &tunnel->item;
10410 struct tunnel_db_element_release_ctx {
10411 struct rte_flow_item *items;
10412 struct rte_flow_action *actions;
10413 uint32_t num_elements;
10414 struct rte_flow_error *error;
10419 tunnel_element_release_match(struct rte_eth_dev *dev,
10420 struct mlx5_flow_tunnel *tunnel, const void *x)
10422 const struct tunnel_db_element_release_ctx *ctx = x;
10425 if (ctx->num_elements != 1)
10427 else if (ctx->items)
10428 return ctx->items == &tunnel->item;
10429 else if (ctx->actions)
10430 return ctx->actions == &tunnel->action;
10436 tunnel_element_release_hit(struct rte_eth_dev *dev,
10437 struct mlx5_flow_tunnel *tunnel, void *x)
10439 struct tunnel_db_element_release_ctx *ctx = x;
10441 if (!__atomic_sub_fetch(&tunnel->refctn, 1, __ATOMIC_RELAXED))
10442 mlx5_flow_tunnel_free(dev, tunnel);
10446 tunnel_element_release_miss(struct rte_eth_dev *dev, void *x)
10448 struct tunnel_db_element_release_ctx *ctx = x;
10450 ctx->ret = rte_flow_error_set(ctx->error, EINVAL,
10451 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
10452 "invalid argument");
10456 mlx5_flow_tunnel_item_release(struct rte_eth_dev *dev,
10457 struct rte_flow_item *pmd_items,
10458 uint32_t num_items, struct rte_flow_error *err)
10460 struct tunnel_db_element_release_ctx ctx = {
10461 .items = pmd_items,
10463 .num_elements = num_items,
10467 mlx5_access_tunnel_offload_db(dev, tunnel_element_release_match,
10468 tunnel_element_release_hit,
10469 tunnel_element_release_miss, &ctx, false);
10475 mlx5_flow_tunnel_action_release(struct rte_eth_dev *dev,
10476 struct rte_flow_action *pmd_actions,
10477 uint32_t num_actions, struct rte_flow_error *err)
10479 struct tunnel_db_element_release_ctx ctx = {
10481 .actions = pmd_actions,
10482 .num_elements = num_actions,
10486 mlx5_access_tunnel_offload_db(dev, tunnel_element_release_match,
10487 tunnel_element_release_hit,
10488 tunnel_element_release_miss, &ctx, false);
10494 mlx5_flow_tunnel_get_restore_info(struct rte_eth_dev *dev,
10495 struct rte_mbuf *m,
10496 struct rte_flow_restore_info *info,
10497 struct rte_flow_error *err)
10499 uint64_t ol_flags = m->ol_flags;
10500 const struct mlx5_flow_tbl_data_entry *tble;
10501 const uint64_t mask = RTE_MBUF_F_RX_FDIR | RTE_MBUF_F_RX_FDIR_ID;
10503 if (!is_tunnel_offload_active(dev)) {
10508 if ((ol_flags & mask) != mask)
10510 tble = tunnel_mark_decode(dev, m->hash.fdir.hi);
10512 DRV_LOG(DEBUG, "port %u invalid miss tunnel mark %#x",
10513 dev->data->port_id, m->hash.fdir.hi);
10516 MLX5_ASSERT(tble->tunnel);
10517 memcpy(&info->tunnel, &tble->tunnel->app_tunnel, sizeof(info->tunnel));
10518 info->group_id = tble->group_id;
10519 info->flags = RTE_FLOW_RESTORE_INFO_TUNNEL |
10520 RTE_FLOW_RESTORE_INFO_GROUP_ID |
10521 RTE_FLOW_RESTORE_INFO_ENCAPSULATED;
10526 return rte_flow_error_set(err, EINVAL,
10527 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
10528 "failed to get restore info");
10531 #else /* HAVE_IBV_FLOW_DV_SUPPORT */
10533 mlx5_flow_tunnel_decap_set(__rte_unused struct rte_eth_dev *dev,
10534 __rte_unused struct rte_flow_tunnel *app_tunnel,
10535 __rte_unused struct rte_flow_action **actions,
10536 __rte_unused uint32_t *num_of_actions,
10537 __rte_unused struct rte_flow_error *error)
10543 mlx5_flow_tunnel_match(__rte_unused struct rte_eth_dev *dev,
10544 __rte_unused struct rte_flow_tunnel *app_tunnel,
10545 __rte_unused struct rte_flow_item **items,
10546 __rte_unused uint32_t *num_of_items,
10547 __rte_unused struct rte_flow_error *error)
10553 mlx5_flow_tunnel_item_release(__rte_unused struct rte_eth_dev *dev,
10554 __rte_unused struct rte_flow_item *pmd_items,
10555 __rte_unused uint32_t num_items,
10556 __rte_unused struct rte_flow_error *err)
10562 mlx5_flow_tunnel_action_release(__rte_unused struct rte_eth_dev *dev,
10563 __rte_unused struct rte_flow_action *pmd_action,
10564 __rte_unused uint32_t num_actions,
10565 __rte_unused struct rte_flow_error *err)
10571 mlx5_flow_tunnel_get_restore_info(__rte_unused struct rte_eth_dev *dev,
10572 __rte_unused struct rte_mbuf *m,
10573 __rte_unused struct rte_flow_restore_info *i,
10574 __rte_unused struct rte_flow_error *err)
10580 flow_tunnel_add_default_miss(__rte_unused struct rte_eth_dev *dev,
10581 __rte_unused struct rte_flow *flow,
10582 __rte_unused const struct rte_flow_attr *attr,
10583 __rte_unused const struct rte_flow_action *actions,
10584 __rte_unused uint32_t flow_idx,
10585 __rte_unused const struct mlx5_flow_tunnel *tunnel,
10586 __rte_unused struct tunnel_default_miss_ctx *ctx,
10587 __rte_unused struct rte_flow_error *error)
10592 static struct mlx5_flow_tunnel *
10593 mlx5_find_tunnel_id(__rte_unused struct rte_eth_dev *dev,
10594 __rte_unused uint32_t id)
10600 mlx5_flow_tunnel_free(__rte_unused struct rte_eth_dev *dev,
10601 __rte_unused struct mlx5_flow_tunnel *tunnel)
10606 tunnel_flow_group_to_flow_table(__rte_unused struct rte_eth_dev *dev,
10607 __rte_unused const struct mlx5_flow_tunnel *t,
10608 __rte_unused uint32_t group,
10609 __rte_unused uint32_t *table,
10610 struct rte_flow_error *error)
10612 return rte_flow_error_set(error, ENOTSUP,
10613 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
10614 "tunnel offload requires DV support");
10618 mlx5_release_tunnel_hub(__rte_unused struct mlx5_dev_ctx_shared *sh,
10619 __rte_unused uint16_t port_id)
10622 #endif /* HAVE_IBV_FLOW_DV_SUPPORT */
10624 /* Flex flow item API */
10625 static struct rte_flow_item_flex_handle *
10626 mlx5_flow_flex_item_create(struct rte_eth_dev *dev,
10627 const struct rte_flow_item_flex_conf *conf,
10628 struct rte_flow_error *error)
10630 static const char err_msg[] = "flex item creation unsupported";
10631 struct rte_flow_attr attr = { .transfer = 0 };
10632 const struct mlx5_flow_driver_ops *fops =
10633 flow_get_drv_ops(flow_get_drv_type(dev, &attr));
10635 if (!fops->item_create) {
10636 DRV_LOG(ERR, "port %u %s.", dev->data->port_id, err_msg);
10637 rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
10641 return fops->item_create(dev, conf, error);
10645 mlx5_flow_flex_item_release(struct rte_eth_dev *dev,
10646 const struct rte_flow_item_flex_handle *handle,
10647 struct rte_flow_error *error)
10649 static const char err_msg[] = "flex item release unsupported";
10650 struct rte_flow_attr attr = { .transfer = 0 };
10651 const struct mlx5_flow_driver_ops *fops =
10652 flow_get_drv_ops(flow_get_drv_type(dev, &attr));
10654 if (!fops->item_release) {
10655 DRV_LOG(ERR, "port %u %s.", dev->data->port_id, err_msg);
10656 rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
10660 return fops->item_release(dev, handle, error);
10664 mlx5_dbg__print_pattern(const struct rte_flow_item *item)
10667 struct rte_flow_error error;
10669 for (; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
10671 ret = rte_flow_conv(RTE_FLOW_CONV_OP_ITEM_NAME_PTR, &item_name,
10673 (void *)(uintptr_t)item->type, &error);
10675 printf("%s ", item_name);
10677 printf("%d\n", (int)item->type);
10683 mlx5_flow_is_std_vxlan_port(const struct rte_flow_item *udp_item)
10685 const struct rte_flow_item_udp *spec = udp_item->spec;
10686 const struct rte_flow_item_udp *mask = udp_item->mask;
10687 uint16_t udp_dport = 0;
10689 if (spec != NULL) {
10691 mask = &rte_flow_item_udp_mask;
10692 udp_dport = rte_be_to_cpu_16(spec->hdr.dst_port &
10693 mask->hdr.dst_port);
10695 return (!udp_dport || udp_dport == MLX5_UDP_PORT_VXLAN);
10698 static const struct mlx5_flow_expand_node *
10699 mlx5_flow_expand_rss_adjust_node(const struct rte_flow_item *pattern,
10700 unsigned int item_idx,
10701 const struct mlx5_flow_expand_node graph[],
10702 const struct mlx5_flow_expand_node *node)
10704 const struct rte_flow_item *item = pattern + item_idx, *prev_item;
10706 if (item->type == RTE_FLOW_ITEM_TYPE_VXLAN &&
10708 node->type == RTE_FLOW_ITEM_TYPE_VXLAN) {
10710 * The expansion node is VXLAN and it is also the last
10711 * expandable item in the pattern, so need to continue
10712 * expansion of the inner tunnel.
10714 MLX5_ASSERT(item_idx > 0);
10715 prev_item = pattern + item_idx - 1;
10716 MLX5_ASSERT(prev_item->type == RTE_FLOW_ITEM_TYPE_UDP);
10717 if (mlx5_flow_is_std_vxlan_port(prev_item))
10718 return &graph[MLX5_EXPANSION_STD_VXLAN];
10719 return &graph[MLX5_EXPANSION_L3_VXLAN];
10724 /* Map of Verbs to Flow priority with 8 Verbs priorities. */
10725 static const uint32_t priority_map_3[][MLX5_PRIORITY_MAP_MAX] = {
10726 { 0, 1, 2 }, { 2, 3, 4 }, { 5, 6, 7 },
10729 /* Map of Verbs to Flow priority with 16 Verbs priorities. */
10730 static const uint32_t priority_map_5[][MLX5_PRIORITY_MAP_MAX] = {
10731 { 0, 1, 2 }, { 3, 4, 5 }, { 6, 7, 8 },
10732 { 9, 10, 11 }, { 12, 13, 14 },
10736 * Discover the number of available flow priorities.
10742 * On success, number of available flow priorities.
10743 * On failure, a negative errno-style code and rte_errno is set.
10746 mlx5_flow_discover_priorities(struct rte_eth_dev *dev)
10748 static const uint16_t vprio[] = {8, 16};
10749 const struct mlx5_priv *priv = dev->data->dev_private;
10750 const struct mlx5_flow_driver_ops *fops;
10751 enum mlx5_flow_drv_type type;
10754 type = mlx5_flow_os_get_type();
10755 if (type == MLX5_FLOW_TYPE_MAX) {
10756 type = MLX5_FLOW_TYPE_VERBS;
10757 if (priv->sh->cdev->config.devx && priv->sh->config.dv_flow_en)
10758 type = MLX5_FLOW_TYPE_DV;
10760 fops = flow_get_drv_ops(type);
10761 if (fops->discover_priorities == NULL) {
10762 DRV_LOG(ERR, "Priority discovery not supported");
10763 rte_errno = ENOTSUP;
10766 ret = fops->discover_priorities(dev, vprio, RTE_DIM(vprio));
10771 ret = RTE_DIM(priority_map_3);
10774 ret = RTE_DIM(priority_map_5);
10777 rte_errno = ENOTSUP;
10779 "port %u maximum priority: %d expected 8/16",
10780 dev->data->port_id, ret);
10783 DRV_LOG(INFO, "port %u supported flow priorities:"
10784 " 0-%d for ingress or egress root table,"
10785 " 0-%d for non-root table or transfer root table.",
10786 dev->data->port_id, ret - 2,
10787 MLX5_NON_ROOT_FLOW_MAX_PRIO - 1);
10792 * Adjust flow priority based on the highest layer and the request priority.
10795 * Pointer to the Ethernet device structure.
10796 * @param[in] priority
10797 * The rule base priority.
10798 * @param[in] subpriority
10799 * The priority based on the items.
10802 * The new priority.
10805 mlx5_flow_adjust_priority(struct rte_eth_dev *dev, int32_t priority,
10806 uint32_t subpriority)
10809 struct mlx5_priv *priv = dev->data->dev_private;
10811 switch (priv->sh->flow_max_priority) {
10812 case RTE_DIM(priority_map_3):
10813 res = priority_map_3[priority][subpriority];
10815 case RTE_DIM(priority_map_5):
10816 res = priority_map_5[priority][subpriority];