1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright 2016 6WIND S.A.
3 * Copyright 2016 Mellanox Technologies, Ltd
12 /* ISO C doesn't support unnamed structs/unions, disabling -pedantic. */
14 #pragma GCC diagnostic ignored "-Wpedantic"
16 #include <infiniband/verbs.h>
18 #pragma GCC diagnostic error "-Wpedantic"
21 #include <rte_common.h>
22 #include <rte_ether.h>
23 #include <rte_eth_ctrl.h>
24 #include <rte_ethdev_driver.h>
26 #include <rte_flow_driver.h>
27 #include <rte_malloc.h>
31 #include "mlx5_defs.h"
33 #include "mlx5_glue.h"
35 /* Dev ops structure defined in mlx5.c */
36 extern const struct eth_dev_ops mlx5_dev_ops;
37 extern const struct eth_dev_ops mlx5_dev_ops_isolate;
39 /* Pattern outer Layer bits. */
40 #define MLX5_FLOW_LAYER_OUTER_L2 (1u << 0)
41 #define MLX5_FLOW_LAYER_OUTER_L3_IPV4 (1u << 1)
42 #define MLX5_FLOW_LAYER_OUTER_L3_IPV6 (1u << 2)
43 #define MLX5_FLOW_LAYER_OUTER_L4_UDP (1u << 3)
44 #define MLX5_FLOW_LAYER_OUTER_L4_TCP (1u << 4)
45 #define MLX5_FLOW_LAYER_OUTER_VLAN (1u << 5)
47 /* Pattern inner Layer bits. */
48 #define MLX5_FLOW_LAYER_INNER_L2 (1u << 6)
49 #define MLX5_FLOW_LAYER_INNER_L3_IPV4 (1u << 7)
50 #define MLX5_FLOW_LAYER_INNER_L3_IPV6 (1u << 8)
51 #define MLX5_FLOW_LAYER_INNER_L4_UDP (1u << 9)
52 #define MLX5_FLOW_LAYER_INNER_L4_TCP (1u << 10)
53 #define MLX5_FLOW_LAYER_INNER_VLAN (1u << 11)
55 /* Pattern tunnel Layer bits. */
56 #define MLX5_FLOW_LAYER_VXLAN (1u << 12)
57 #define MLX5_FLOW_LAYER_VXLAN_GPE (1u << 13)
58 #define MLX5_FLOW_LAYER_GRE (1u << 14)
59 #define MLX5_FLOW_LAYER_MPLS (1u << 15)
62 #define MLX5_FLOW_LAYER_OUTER_L3 \
63 (MLX5_FLOW_LAYER_OUTER_L3_IPV4 | MLX5_FLOW_LAYER_OUTER_L3_IPV6)
64 #define MLX5_FLOW_LAYER_OUTER_L4 \
65 (MLX5_FLOW_LAYER_OUTER_L4_UDP | MLX5_FLOW_LAYER_OUTER_L4_TCP)
66 #define MLX5_FLOW_LAYER_OUTER \
67 (MLX5_FLOW_LAYER_OUTER_L2 | MLX5_FLOW_LAYER_OUTER_L3 | \
68 MLX5_FLOW_LAYER_OUTER_L4)
71 #define MLX5_FLOW_LAYER_TUNNEL \
72 (MLX5_FLOW_LAYER_VXLAN | MLX5_FLOW_LAYER_VXLAN_GPE | \
73 MLX5_FLOW_LAYER_GRE | MLX5_FLOW_LAYER_MPLS)
76 #define MLX5_FLOW_LAYER_INNER_L3 \
77 (MLX5_FLOW_LAYER_INNER_L3_IPV4 | MLX5_FLOW_LAYER_INNER_L3_IPV6)
78 #define MLX5_FLOW_LAYER_INNER_L4 \
79 (MLX5_FLOW_LAYER_INNER_L4_UDP | MLX5_FLOW_LAYER_INNER_L4_TCP)
80 #define MLX5_FLOW_LAYER_INNER \
81 (MLX5_FLOW_LAYER_INNER_L2 | MLX5_FLOW_LAYER_INNER_L3 | \
82 MLX5_FLOW_LAYER_INNER_L4)
84 /* Actions that modify the fate of matching traffic. */
85 #define MLX5_FLOW_FATE_DROP (1u << 0)
86 #define MLX5_FLOW_FATE_QUEUE (1u << 1)
87 #define MLX5_FLOW_FATE_RSS (1u << 2)
89 /* Modify a packet. */
90 #define MLX5_FLOW_MOD_FLAG (1u << 0)
91 #define MLX5_FLOW_MOD_MARK (1u << 1)
92 #define MLX5_FLOW_MOD_COUNT (1u << 2)
94 /* possible L3 layers protocols filtering. */
95 #define MLX5_IP_PROTOCOL_TCP 6
96 #define MLX5_IP_PROTOCOL_UDP 17
97 #define MLX5_IP_PROTOCOL_GRE 47
98 #define MLX5_IP_PROTOCOL_MPLS 147
100 /* Priority reserved for default flows. */
101 #define MLX5_FLOW_PRIO_RSVD ((uint32_t)-1)
103 enum mlx5_expansion {
105 MLX5_EXPANSION_ROOT_OUTER,
106 MLX5_EXPANSION_ROOT_ETH_VLAN,
107 MLX5_EXPANSION_ROOT_OUTER_ETH_VLAN,
108 MLX5_EXPANSION_OUTER_ETH,
109 MLX5_EXPANSION_OUTER_ETH_VLAN,
110 MLX5_EXPANSION_OUTER_VLAN,
111 MLX5_EXPANSION_OUTER_IPV4,
112 MLX5_EXPANSION_OUTER_IPV4_UDP,
113 MLX5_EXPANSION_OUTER_IPV4_TCP,
114 MLX5_EXPANSION_OUTER_IPV6,
115 MLX5_EXPANSION_OUTER_IPV6_UDP,
116 MLX5_EXPANSION_OUTER_IPV6_TCP,
117 MLX5_EXPANSION_VXLAN,
118 MLX5_EXPANSION_VXLAN_GPE,
122 MLX5_EXPANSION_ETH_VLAN,
125 MLX5_EXPANSION_IPV4_UDP,
126 MLX5_EXPANSION_IPV4_TCP,
128 MLX5_EXPANSION_IPV6_UDP,
129 MLX5_EXPANSION_IPV6_TCP,
132 /** Supported expansion of items. */
133 static const struct rte_flow_expand_node mlx5_support_expansion[] = {
134 [MLX5_EXPANSION_ROOT] = {
135 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH,
137 MLX5_EXPANSION_IPV6),
138 .type = RTE_FLOW_ITEM_TYPE_END,
140 [MLX5_EXPANSION_ROOT_OUTER] = {
141 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_ETH,
142 MLX5_EXPANSION_OUTER_IPV4,
143 MLX5_EXPANSION_OUTER_IPV6),
144 .type = RTE_FLOW_ITEM_TYPE_END,
146 [MLX5_EXPANSION_ROOT_ETH_VLAN] = {
147 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH_VLAN),
148 .type = RTE_FLOW_ITEM_TYPE_END,
150 [MLX5_EXPANSION_ROOT_OUTER_ETH_VLAN] = {
151 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_ETH_VLAN),
152 .type = RTE_FLOW_ITEM_TYPE_END,
154 [MLX5_EXPANSION_OUTER_ETH] = {
155 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_IPV4,
156 MLX5_EXPANSION_OUTER_IPV6,
157 MLX5_EXPANSION_MPLS),
158 .type = RTE_FLOW_ITEM_TYPE_ETH,
161 [MLX5_EXPANSION_OUTER_ETH_VLAN] = {
162 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_VLAN),
163 .type = RTE_FLOW_ITEM_TYPE_ETH,
166 [MLX5_EXPANSION_OUTER_VLAN] = {
167 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_IPV4,
168 MLX5_EXPANSION_OUTER_IPV6),
169 .type = RTE_FLOW_ITEM_TYPE_VLAN,
171 [MLX5_EXPANSION_OUTER_IPV4] = {
172 .next = RTE_FLOW_EXPAND_RSS_NEXT
173 (MLX5_EXPANSION_OUTER_IPV4_UDP,
174 MLX5_EXPANSION_OUTER_IPV4_TCP,
176 .type = RTE_FLOW_ITEM_TYPE_IPV4,
177 .rss_types = ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 |
178 ETH_RSS_NONFRAG_IPV4_OTHER,
180 [MLX5_EXPANSION_OUTER_IPV4_UDP] = {
181 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_VXLAN,
182 MLX5_EXPANSION_VXLAN_GPE),
183 .type = RTE_FLOW_ITEM_TYPE_UDP,
184 .rss_types = ETH_RSS_NONFRAG_IPV4_UDP,
186 [MLX5_EXPANSION_OUTER_IPV4_TCP] = {
187 .type = RTE_FLOW_ITEM_TYPE_TCP,
188 .rss_types = ETH_RSS_NONFRAG_IPV4_TCP,
190 [MLX5_EXPANSION_OUTER_IPV6] = {
191 .next = RTE_FLOW_EXPAND_RSS_NEXT
192 (MLX5_EXPANSION_OUTER_IPV6_UDP,
193 MLX5_EXPANSION_OUTER_IPV6_TCP),
194 .type = RTE_FLOW_ITEM_TYPE_IPV6,
195 .rss_types = ETH_RSS_IPV6 | ETH_RSS_FRAG_IPV6 |
196 ETH_RSS_NONFRAG_IPV6_OTHER,
198 [MLX5_EXPANSION_OUTER_IPV6_UDP] = {
199 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_VXLAN,
200 MLX5_EXPANSION_VXLAN_GPE),
201 .type = RTE_FLOW_ITEM_TYPE_UDP,
202 .rss_types = ETH_RSS_NONFRAG_IPV6_UDP,
204 [MLX5_EXPANSION_OUTER_IPV6_TCP] = {
205 .type = RTE_FLOW_ITEM_TYPE_TCP,
206 .rss_types = ETH_RSS_NONFRAG_IPV6_TCP,
208 [MLX5_EXPANSION_VXLAN] = {
209 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH),
210 .type = RTE_FLOW_ITEM_TYPE_VXLAN,
212 [MLX5_EXPANSION_VXLAN_GPE] = {
213 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH,
215 MLX5_EXPANSION_IPV6),
216 .type = RTE_FLOW_ITEM_TYPE_VXLAN_GPE,
218 [MLX5_EXPANSION_GRE] = {
219 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4),
220 .type = RTE_FLOW_ITEM_TYPE_GRE,
222 [MLX5_EXPANSION_MPLS] = {
223 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4,
224 MLX5_EXPANSION_IPV6),
225 .type = RTE_FLOW_ITEM_TYPE_MPLS,
227 [MLX5_EXPANSION_ETH] = {
228 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4,
229 MLX5_EXPANSION_IPV6),
230 .type = RTE_FLOW_ITEM_TYPE_ETH,
232 [MLX5_EXPANSION_ETH_VLAN] = {
233 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_VLAN),
234 .type = RTE_FLOW_ITEM_TYPE_ETH,
236 [MLX5_EXPANSION_VLAN] = {
237 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4,
238 MLX5_EXPANSION_IPV6),
239 .type = RTE_FLOW_ITEM_TYPE_VLAN,
241 [MLX5_EXPANSION_IPV4] = {
242 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4_UDP,
243 MLX5_EXPANSION_IPV4_TCP),
244 .type = RTE_FLOW_ITEM_TYPE_IPV4,
245 .rss_types = ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 |
246 ETH_RSS_NONFRAG_IPV4_OTHER,
248 [MLX5_EXPANSION_IPV4_UDP] = {
249 .type = RTE_FLOW_ITEM_TYPE_UDP,
250 .rss_types = ETH_RSS_NONFRAG_IPV4_UDP,
252 [MLX5_EXPANSION_IPV4_TCP] = {
253 .type = RTE_FLOW_ITEM_TYPE_TCP,
254 .rss_types = ETH_RSS_NONFRAG_IPV4_TCP,
256 [MLX5_EXPANSION_IPV6] = {
257 .next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV6_UDP,
258 MLX5_EXPANSION_IPV6_TCP),
259 .type = RTE_FLOW_ITEM_TYPE_IPV6,
260 .rss_types = ETH_RSS_IPV6 | ETH_RSS_FRAG_IPV6 |
261 ETH_RSS_NONFRAG_IPV6_OTHER,
263 [MLX5_EXPANSION_IPV6_UDP] = {
264 .type = RTE_FLOW_ITEM_TYPE_UDP,
265 .rss_types = ETH_RSS_NONFRAG_IPV6_UDP,
267 [MLX5_EXPANSION_IPV6_TCP] = {
268 .type = RTE_FLOW_ITEM_TYPE_TCP,
269 .rss_types = ETH_RSS_NONFRAG_IPV6_TCP,
273 /** Handles information leading to a drop fate. */
274 struct mlx5_flow_verbs {
275 LIST_ENTRY(mlx5_flow_verbs) next;
276 unsigned int size; /**< Size of the attribute. */
278 struct ibv_flow_attr *attr;
279 /**< Pointer to the Specification buffer. */
280 uint8_t *specs; /**< Pointer to the specifications. */
282 struct ibv_flow *flow; /**< Verbs flow pointer. */
283 struct mlx5_hrxq *hrxq; /**< Hash Rx queue object. */
284 uint64_t hash_fields; /**< Verbs hash Rx queue hash fields. */
287 /* Counters information. */
288 struct mlx5_flow_counter {
289 LIST_ENTRY(mlx5_flow_counter) next; /**< Pointer to the next counter. */
290 uint32_t shared:1; /**< Share counter ID with other flow rules. */
291 uint32_t ref_cnt:31; /**< Reference counter. */
292 uint32_t id; /**< Counter ID. */
293 struct ibv_counter_set *cs; /**< Holds the counters for the rule. */
294 uint64_t hits; /**< Number of packets matched by the rule. */
295 uint64_t bytes; /**< Number of bytes matched by the rule. */
298 /* Flow structure. */
300 TAILQ_ENTRY(rte_flow) next; /**< Pointer to the next flow structure. */
301 struct rte_flow_attr attributes; /**< User flow attribute. */
302 uint32_t l3_protocol_en:1; /**< Protocol filtering requested. */
304 /**< Bit-fields of present layers see MLX5_FLOW_LAYER_*. */
306 /**< Bit-fields of present modifier see MLX5_FLOW_MOD_*. */
308 /**< Bit-fields of present fate see MLX5_FLOW_FATE_*. */
309 uint8_t l3_protocol; /**< valid when l3_protocol_en is set. */
310 LIST_HEAD(verbs, mlx5_flow_verbs) verbs; /**< Verbs flows list. */
311 struct mlx5_flow_verbs *cur_verbs;
312 /**< Current Verbs flow structure being filled. */
313 struct mlx5_flow_counter *counter; /**< Holds Verbs flow counter. */
314 struct rte_flow_action_rss rss;/**< RSS context. */
315 uint8_t key[MLX5_RSS_HASH_KEY_LEN]; /**< RSS hash key. */
316 uint16_t (*queue)[]; /**< Destination queues to redirect traffic to. */
317 void *nl_flow; /**< Netlink flow buffer if relevant. */
320 static const struct rte_flow_ops mlx5_flow_ops = {
321 .validate = mlx5_flow_validate,
322 .create = mlx5_flow_create,
323 .destroy = mlx5_flow_destroy,
324 .flush = mlx5_flow_flush,
325 .isolate = mlx5_flow_isolate,
326 .query = mlx5_flow_query,
329 /* Convert FDIR request to Generic flow. */
331 struct rte_flow_attr attr;
332 struct rte_flow_action actions[2];
333 struct rte_flow_item items[4];
334 struct rte_flow_item_eth l2;
335 struct rte_flow_item_eth l2_mask;
337 struct rte_flow_item_ipv4 ipv4;
338 struct rte_flow_item_ipv6 ipv6;
341 struct rte_flow_item_ipv4 ipv4;
342 struct rte_flow_item_ipv6 ipv6;
345 struct rte_flow_item_udp udp;
346 struct rte_flow_item_tcp tcp;
349 struct rte_flow_item_udp udp;
350 struct rte_flow_item_tcp tcp;
352 struct rte_flow_action_queue queue;
355 /* Verbs specification header. */
356 struct ibv_spec_header {
357 enum ibv_flow_spec_type type;
362 * Number of sub priorities.
363 * For each kind of pattern matching i.e. L2, L3, L4 to have a correct
364 * matching on the NIC (firmware dependent) L4 most have the higher priority
365 * followed by L3 and ending with L2.
367 #define MLX5_PRIORITY_MAP_L2 2
368 #define MLX5_PRIORITY_MAP_L3 1
369 #define MLX5_PRIORITY_MAP_L4 0
370 #define MLX5_PRIORITY_MAP_MAX 3
372 /* Map of Verbs to Flow priority with 8 Verbs priorities. */
373 static const uint32_t priority_map_3[][MLX5_PRIORITY_MAP_MAX] = {
374 { 0, 1, 2 }, { 2, 3, 4 }, { 5, 6, 7 },
377 /* Map of Verbs to Flow priority with 16 Verbs priorities. */
378 static const uint32_t priority_map_5[][MLX5_PRIORITY_MAP_MAX] = {
379 { 0, 1, 2 }, { 3, 4, 5 }, { 6, 7, 8 },
380 { 9, 10, 11 }, { 12, 13, 14 },
383 /* Tunnel information. */
384 struct mlx5_flow_tunnel_info {
385 uint32_t tunnel; /**< Tunnel bit (see MLX5_FLOW_*). */
386 uint32_t ptype; /**< Tunnel Ptype (see RTE_PTYPE_*). */
389 static struct mlx5_flow_tunnel_info tunnels_info[] = {
391 .tunnel = MLX5_FLOW_LAYER_VXLAN,
392 .ptype = RTE_PTYPE_TUNNEL_VXLAN | RTE_PTYPE_L4_UDP,
395 .tunnel = MLX5_FLOW_LAYER_VXLAN_GPE,
396 .ptype = RTE_PTYPE_TUNNEL_VXLAN_GPE | RTE_PTYPE_L4_UDP,
399 .tunnel = MLX5_FLOW_LAYER_GRE,
400 .ptype = RTE_PTYPE_TUNNEL_GRE,
403 .tunnel = MLX5_FLOW_LAYER_MPLS | MLX5_FLOW_LAYER_OUTER_L4_UDP,
404 .ptype = RTE_PTYPE_TUNNEL_MPLS_IN_GRE | RTE_PTYPE_L4_UDP,
407 .tunnel = MLX5_FLOW_LAYER_MPLS,
408 .ptype = RTE_PTYPE_TUNNEL_MPLS_IN_GRE,
413 * Discover the maximum number of priority available.
416 * Pointer to Ethernet device.
419 * number of supported flow priority on success, a negative errno
420 * value otherwise and rte_errno is set.
423 mlx5_flow_discover_priorities(struct rte_eth_dev *dev)
426 struct ibv_flow_attr attr;
427 struct ibv_flow_spec_eth eth;
428 struct ibv_flow_spec_action_drop drop;
434 .type = IBV_FLOW_SPEC_ETH,
435 .size = sizeof(struct ibv_flow_spec_eth),
438 .size = sizeof(struct ibv_flow_spec_action_drop),
439 .type = IBV_FLOW_SPEC_ACTION_DROP,
442 struct ibv_flow *flow;
443 struct mlx5_hrxq *drop = mlx5_hrxq_drop_new(dev);
444 uint16_t vprio[] = { 8, 16 };
452 for (i = 0; i != RTE_DIM(vprio); i++) {
453 flow_attr.attr.priority = vprio[i] - 1;
454 flow = mlx5_glue->create_flow(drop->qp, &flow_attr.attr);
457 claim_zero(mlx5_glue->destroy_flow(flow));
462 priority = RTE_DIM(priority_map_3);
465 priority = RTE_DIM(priority_map_5);
470 "port %u verbs maximum priority: %d expected 8/16",
471 dev->data->port_id, vprio[i]);
474 mlx5_hrxq_drop_release(dev);
475 DRV_LOG(INFO, "port %u flow maximum priority: %d",
476 dev->data->port_id, priority);
481 * Adjust flow priority.
484 * Pointer to Ethernet device.
486 * Pointer to an rte flow.
489 mlx5_flow_adjust_priority(struct rte_eth_dev *dev, struct rte_flow *flow)
491 struct priv *priv = dev->data->dev_private;
492 uint32_t priority = flow->attributes.priority;
493 uint32_t subpriority = flow->cur_verbs->attr->priority;
495 switch (priv->config.flow_prio) {
496 case RTE_DIM(priority_map_3):
497 priority = priority_map_3[priority][subpriority];
499 case RTE_DIM(priority_map_5):
500 priority = priority_map_5[priority][subpriority];
503 flow->cur_verbs->attr->priority = priority;
507 * Get a flow counter.
510 * Pointer to Ethernet device.
512 * Indicate if this counter is shared with other flows.
514 * Counter identifier.
517 * A pointer to the counter, NULL otherwise and rte_errno is set.
519 static struct mlx5_flow_counter *
520 mlx5_flow_counter_new(struct rte_eth_dev *dev, uint32_t shared, uint32_t id)
522 struct priv *priv = dev->data->dev_private;
523 struct mlx5_flow_counter *cnt;
525 LIST_FOREACH(cnt, &priv->flow_counters, next) {
526 if (!cnt->shared || cnt->shared != shared)
533 #ifdef HAVE_IBV_DEVICE_COUNTERS_SET_SUPPORT
535 struct mlx5_flow_counter tmpl = {
538 .cs = mlx5_glue->create_counter_set
540 &(struct ibv_counter_set_init_attr){
541 .counter_set_id = id,
551 cnt = rte_calloc(__func__, 1, sizeof(*cnt), 0);
557 LIST_INSERT_HEAD(&priv->flow_counters, cnt, next);
565 * Release a flow counter.
568 * Pointer to the counter handler.
571 mlx5_flow_counter_release(struct mlx5_flow_counter *counter)
573 if (--counter->ref_cnt == 0) {
574 claim_zero(mlx5_glue->destroy_counter_set(counter->cs));
575 LIST_REMOVE(counter, next);
581 * Verify the @p attributes will be correctly understood by the NIC and store
582 * them in the @p flow if everything is correct.
585 * Pointer to Ethernet device.
586 * @param[in] attributes
587 * Pointer to flow attributes
588 * @param[in, out] flow
589 * Pointer to the rte_flow structure.
591 * Pointer to error structure.
594 * 0 on success, a negative errno value otherwise and rte_errno is set.
597 mlx5_flow_attributes(struct rte_eth_dev *dev,
598 const struct rte_flow_attr *attributes,
599 struct rte_flow *flow,
600 struct rte_flow_error *error)
602 uint32_t priority_max =
603 ((struct priv *)dev->data->dev_private)->config.flow_prio - 1;
605 if (attributes->group)
606 return rte_flow_error_set(error, ENOTSUP,
607 RTE_FLOW_ERROR_TYPE_ATTR_GROUP,
609 "groups is not supported");
610 if (attributes->priority != MLX5_FLOW_PRIO_RSVD &&
611 attributes->priority >= priority_max)
612 return rte_flow_error_set(error, ENOTSUP,
613 RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
615 "priority out of range");
616 if (attributes->egress)
617 return rte_flow_error_set(error, ENOTSUP,
618 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS,
620 "egress is not supported");
621 if (attributes->transfer)
622 return rte_flow_error_set(error, ENOTSUP,
623 RTE_FLOW_ERROR_TYPE_ATTR_TRANSFER,
625 "transfer is not supported");
626 if (!attributes->ingress)
627 return rte_flow_error_set(error, ENOTSUP,
628 RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
630 "ingress attribute is mandatory");
631 flow->attributes = *attributes;
632 if (attributes->priority == MLX5_FLOW_PRIO_RSVD)
633 flow->attributes.priority = priority_max;
638 * Verify the @p item specifications (spec, last, mask) are compatible with the
642 * Item specification.
644 * @p item->mask or flow default bit-masks.
645 * @param[in] nic_mask
646 * Bit-masks covering supported fields by the NIC to compare with user mask.
648 * Bit-masks size in bytes.
650 * Pointer to error structure.
653 * 0 on success, a negative errno value otherwise and rte_errno is set.
656 mlx5_flow_item_acceptable(const struct rte_flow_item *item,
658 const uint8_t *nic_mask,
660 struct rte_flow_error *error)
665 for (i = 0; i < size; ++i)
666 if ((nic_mask[i] | mask[i]) != nic_mask[i])
667 return rte_flow_error_set(error, ENOTSUP,
668 RTE_FLOW_ERROR_TYPE_ITEM,
670 "mask enables non supported"
672 if (!item->spec && (item->mask || item->last))
673 return rte_flow_error_set(error, EINVAL,
674 RTE_FLOW_ERROR_TYPE_ITEM,
676 "mask/last without a spec is not"
678 if (item->spec && item->last) {
684 for (i = 0; i < size; ++i) {
685 spec[i] = ((const uint8_t *)item->spec)[i] & mask[i];
686 last[i] = ((const uint8_t *)item->last)[i] & mask[i];
688 ret = memcmp(spec, last, size);
690 return rte_flow_error_set(error, ENOTSUP,
691 RTE_FLOW_ERROR_TYPE_ITEM,
693 "range is not supported");
699 * Add a verbs item specification into @p flow.
701 * @param[in, out] flow
702 * Pointer to flow structure.
704 * Create specification.
706 * Size in bytes of the specification to copy.
709 mlx5_flow_spec_verbs_add(struct rte_flow *flow, void *src, unsigned int size)
711 struct mlx5_flow_verbs *verbs = flow->cur_verbs;
716 dst = (void *)(verbs->specs + verbs->size);
717 memcpy(dst, src, size);
718 ++verbs->attr->num_of_specs;
724 * Adjust verbs hash fields according to the @p flow information.
726 * @param[in, out] flow.
727 * Pointer to flow structure.
729 * 1 when the hash field is for a tunnel item.
730 * @param[in] layer_types
732 * @param[in] hash_fields
736 mlx5_flow_verbs_hashfields_adjust(struct rte_flow *flow,
737 int tunnel __rte_unused,
738 uint32_t layer_types, uint64_t hash_fields)
740 #ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
741 hash_fields |= (tunnel ? IBV_RX_HASH_INNER : 0);
742 if (flow->rss.level == 2 && !tunnel)
744 else if (flow->rss.level < 2 && tunnel)
747 if (!(flow->rss.types & layer_types))
749 flow->cur_verbs->hash_fields |= hash_fields;
753 * Convert the @p item into a Verbs specification after ensuring the NIC
754 * will understand and process it correctly.
755 * If the necessary size for the conversion is greater than the @p flow_size,
756 * nothing is written in @p flow, the validation is still performed.
759 * Item specification.
760 * @param[in, out] flow
761 * Pointer to flow structure.
762 * @param[in] flow_size
763 * Size in bytes of the available space in @p flow, if too small, nothing is
766 * Pointer to error structure.
769 * On success the number of bytes consumed/necessary, if the returned value
770 * is lesser or equal to @p flow_size, the @p item has fully been converted,
771 * otherwise another call with this returned memory size should be done.
772 * On error, a negative errno value is returned and rte_errno is set.
775 mlx5_flow_item_eth(const struct rte_flow_item *item, struct rte_flow *flow,
776 const size_t flow_size, struct rte_flow_error *error)
778 const struct rte_flow_item_eth *spec = item->spec;
779 const struct rte_flow_item_eth *mask = item->mask;
780 const struct rte_flow_item_eth nic_mask = {
781 .dst.addr_bytes = "\xff\xff\xff\xff\xff\xff",
782 .src.addr_bytes = "\xff\xff\xff\xff\xff\xff",
783 .type = RTE_BE16(0xffff),
785 const int tunnel = !!(flow->layers & MLX5_FLOW_LAYER_TUNNEL);
786 const unsigned int size = sizeof(struct ibv_flow_spec_eth);
787 struct ibv_flow_spec_eth eth = {
788 .type = IBV_FLOW_SPEC_ETH | (tunnel ? IBV_FLOW_SPEC_INNER : 0),
793 if (flow->layers & (tunnel ? MLX5_FLOW_LAYER_INNER_L2 :
794 MLX5_FLOW_LAYER_OUTER_L2))
795 return rte_flow_error_set(error, ENOTSUP,
796 RTE_FLOW_ERROR_TYPE_ITEM,
798 "L2 layers already configured");
800 mask = &rte_flow_item_eth_mask;
801 ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
802 (const uint8_t *)&nic_mask,
803 sizeof(struct rte_flow_item_eth),
807 flow->layers |= tunnel ? MLX5_FLOW_LAYER_INNER_L2 :
808 MLX5_FLOW_LAYER_OUTER_L2;
809 if (size > flow_size)
814 memcpy(ð.val.dst_mac, spec->dst.addr_bytes, ETHER_ADDR_LEN);
815 memcpy(ð.val.src_mac, spec->src.addr_bytes, ETHER_ADDR_LEN);
816 eth.val.ether_type = spec->type;
817 memcpy(ð.mask.dst_mac, mask->dst.addr_bytes, ETHER_ADDR_LEN);
818 memcpy(ð.mask.src_mac, mask->src.addr_bytes, ETHER_ADDR_LEN);
819 eth.mask.ether_type = mask->type;
820 /* Remove unwanted bits from values. */
821 for (i = 0; i < ETHER_ADDR_LEN; ++i) {
822 eth.val.dst_mac[i] &= eth.mask.dst_mac[i];
823 eth.val.src_mac[i] &= eth.mask.src_mac[i];
825 eth.val.ether_type &= eth.mask.ether_type;
827 flow->cur_verbs->attr->priority = MLX5_PRIORITY_MAP_L2;
828 mlx5_flow_spec_verbs_add(flow, ð, size);
833 * Update the VLAN tag in the Verbs Ethernet specification.
835 * @param[in, out] attr
836 * Pointer to Verbs attributes structure.
838 * Verbs structure containing the VLAN information to copy.
841 mlx5_flow_item_vlan_update(struct ibv_flow_attr *attr,
842 struct ibv_flow_spec_eth *eth)
845 const enum ibv_flow_spec_type search = eth->type;
846 struct ibv_spec_header *hdr = (struct ibv_spec_header *)
847 ((uint8_t *)attr + sizeof(struct ibv_flow_attr));
849 for (i = 0; i != attr->num_of_specs; ++i) {
850 if (hdr->type == search) {
851 struct ibv_flow_spec_eth *e =
852 (struct ibv_flow_spec_eth *)hdr;
854 e->val.vlan_tag = eth->val.vlan_tag;
855 e->mask.vlan_tag = eth->mask.vlan_tag;
856 e->val.ether_type = eth->val.ether_type;
857 e->mask.ether_type = eth->mask.ether_type;
860 hdr = (struct ibv_spec_header *)((uint8_t *)hdr + hdr->size);
865 * Convert the @p item into @p flow (or by updating the already present
866 * Ethernet Verbs) specification after ensuring the NIC will understand and
867 * process it correctly.
868 * If the necessary size for the conversion is greater than the @p flow_size,
869 * nothing is written in @p flow, the validation is still performed.
872 * Item specification.
873 * @param[in, out] flow
874 * Pointer to flow structure.
875 * @param[in] flow_size
876 * Size in bytes of the available space in @p flow, if too small, nothing is
879 * Pointer to error structure.
882 * On success the number of bytes consumed/necessary, if the returned value
883 * is lesser or equal to @p flow_size, the @p item has fully been converted,
884 * otherwise another call with this returned memory size should be done.
885 * On error, a negative errno value is returned and rte_errno is set.
888 mlx5_flow_item_vlan(const struct rte_flow_item *item, struct rte_flow *flow,
889 const size_t flow_size, struct rte_flow_error *error)
891 const struct rte_flow_item_vlan *spec = item->spec;
892 const struct rte_flow_item_vlan *mask = item->mask;
893 const struct rte_flow_item_vlan nic_mask = {
894 .tci = RTE_BE16(0x0fff),
895 .inner_type = RTE_BE16(0xffff),
897 unsigned int size = sizeof(struct ibv_flow_spec_eth);
898 const int tunnel = !!(flow->layers & MLX5_FLOW_LAYER_TUNNEL);
899 struct ibv_flow_spec_eth eth = {
900 .type = IBV_FLOW_SPEC_ETH | (tunnel ? IBV_FLOW_SPEC_INNER : 0),
904 const uint32_t l34m = tunnel ? (MLX5_FLOW_LAYER_INNER_L3 |
905 MLX5_FLOW_LAYER_INNER_L4) :
906 (MLX5_FLOW_LAYER_OUTER_L3 | MLX5_FLOW_LAYER_OUTER_L4);
907 const uint32_t vlanm = tunnel ? MLX5_FLOW_LAYER_INNER_VLAN :
908 MLX5_FLOW_LAYER_OUTER_VLAN;
909 const uint32_t l2m = tunnel ? MLX5_FLOW_LAYER_INNER_L2 :
910 MLX5_FLOW_LAYER_OUTER_L2;
912 if (flow->layers & vlanm)
913 return rte_flow_error_set(error, ENOTSUP,
914 RTE_FLOW_ERROR_TYPE_ITEM,
916 "VLAN layer already configured");
917 else if ((flow->layers & l34m) != 0)
918 return rte_flow_error_set(error, ENOTSUP,
919 RTE_FLOW_ERROR_TYPE_ITEM,
921 "L2 layer cannot follow L3/L4 layer");
923 mask = &rte_flow_item_vlan_mask;
924 ret = mlx5_flow_item_acceptable
925 (item, (const uint8_t *)mask,
926 (const uint8_t *)&nic_mask,
927 sizeof(struct rte_flow_item_vlan), error);
931 eth.val.vlan_tag = spec->tci;
932 eth.mask.vlan_tag = mask->tci;
933 eth.val.vlan_tag &= eth.mask.vlan_tag;
934 eth.val.ether_type = spec->inner_type;
935 eth.mask.ether_type = mask->inner_type;
936 eth.val.ether_type &= eth.mask.ether_type;
939 * From verbs perspective an empty VLAN is equivalent
940 * to a packet without VLAN layer.
942 if (!eth.mask.vlan_tag)
943 return rte_flow_error_set(error, EINVAL,
944 RTE_FLOW_ERROR_TYPE_ITEM_SPEC,
946 "VLAN cannot be empty");
947 if (!(flow->layers & l2m)) {
948 if (size <= flow_size) {
949 flow->cur_verbs->attr->priority = MLX5_PRIORITY_MAP_L2;
950 mlx5_flow_spec_verbs_add(flow, ð, size);
954 mlx5_flow_item_vlan_update(flow->cur_verbs->attr,
956 size = 0; /* Only an update is done in eth specification. */
958 flow->layers |= tunnel ?
959 (MLX5_FLOW_LAYER_INNER_L2 | MLX5_FLOW_LAYER_INNER_VLAN) :
960 (MLX5_FLOW_LAYER_OUTER_L2 | MLX5_FLOW_LAYER_OUTER_VLAN);
965 * Convert the @p item into a Verbs specification after ensuring the NIC
966 * will understand and process it correctly.
967 * If the necessary size for the conversion is greater than the @p flow_size,
968 * nothing is written in @p flow, the validation is still performed.
971 * Item specification.
972 * @param[in, out] flow
973 * Pointer to flow structure.
974 * @param[in] flow_size
975 * Size in bytes of the available space in @p flow, if too small, nothing is
978 * Pointer to error structure.
981 * On success the number of bytes consumed/necessary, if the returned value
982 * is lesser or equal to @p flow_size, the @p item has fully been converted,
983 * otherwise another call with this returned memory size should be done.
984 * On error, a negative errno value is returned and rte_errno is set.
987 mlx5_flow_item_ipv4(const struct rte_flow_item *item, struct rte_flow *flow,
988 const size_t flow_size, struct rte_flow_error *error)
990 const struct rte_flow_item_ipv4 *spec = item->spec;
991 const struct rte_flow_item_ipv4 *mask = item->mask;
992 const struct rte_flow_item_ipv4 nic_mask = {
994 .src_addr = RTE_BE32(0xffffffff),
995 .dst_addr = RTE_BE32(0xffffffff),
996 .type_of_service = 0xff,
997 .next_proto_id = 0xff,
1000 const int tunnel = !!(flow->layers & MLX5_FLOW_LAYER_TUNNEL);
1001 unsigned int size = sizeof(struct ibv_flow_spec_ipv4_ext);
1002 struct ibv_flow_spec_ipv4_ext ipv4 = {
1003 .type = IBV_FLOW_SPEC_IPV4_EXT |
1004 (tunnel ? IBV_FLOW_SPEC_INNER : 0),
1009 if (flow->layers & (tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
1010 MLX5_FLOW_LAYER_OUTER_L3))
1011 return rte_flow_error_set(error, ENOTSUP,
1012 RTE_FLOW_ERROR_TYPE_ITEM,
1014 "multiple L3 layers not supported");
1015 else if (flow->layers & (tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
1016 MLX5_FLOW_LAYER_OUTER_L4))
1017 return rte_flow_error_set(error, ENOTSUP,
1018 RTE_FLOW_ERROR_TYPE_ITEM,
1020 "L3 cannot follow an L4 layer.");
1022 mask = &rte_flow_item_ipv4_mask;
1023 ret = mlx5_flow_item_acceptable
1024 (item, (const uint8_t *)mask,
1025 (const uint8_t *)&nic_mask,
1026 sizeof(struct rte_flow_item_ipv4), error);
1029 flow->layers |= tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV4 :
1030 MLX5_FLOW_LAYER_OUTER_L3_IPV4;
1032 ipv4.val = (struct ibv_flow_ipv4_ext_filter){
1033 .src_ip = spec->hdr.src_addr,
1034 .dst_ip = spec->hdr.dst_addr,
1035 .proto = spec->hdr.next_proto_id,
1036 .tos = spec->hdr.type_of_service,
1038 ipv4.mask = (struct ibv_flow_ipv4_ext_filter){
1039 .src_ip = mask->hdr.src_addr,
1040 .dst_ip = mask->hdr.dst_addr,
1041 .proto = mask->hdr.next_proto_id,
1042 .tos = mask->hdr.type_of_service,
1044 /* Remove unwanted bits from values. */
1045 ipv4.val.src_ip &= ipv4.mask.src_ip;
1046 ipv4.val.dst_ip &= ipv4.mask.dst_ip;
1047 ipv4.val.proto &= ipv4.mask.proto;
1048 ipv4.val.tos &= ipv4.mask.tos;
1050 flow->l3_protocol_en = !!ipv4.mask.proto;
1051 flow->l3_protocol = ipv4.val.proto;
1052 if (size <= flow_size) {
1053 mlx5_flow_verbs_hashfields_adjust
1055 (ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 |
1056 ETH_RSS_NONFRAG_IPV4_OTHER),
1057 (IBV_RX_HASH_SRC_IPV4 | IBV_RX_HASH_DST_IPV4));
1058 flow->cur_verbs->attr->priority = MLX5_PRIORITY_MAP_L3;
1059 mlx5_flow_spec_verbs_add(flow, &ipv4, size);
1065 * Convert the @p item into a Verbs specification after ensuring the NIC
1066 * will understand and process it correctly.
1067 * If the necessary size for the conversion is greater than the @p flow_size,
1068 * nothing is written in @p flow, the validation is still performed.
1071 * Item specification.
1072 * @param[in, out] flow
1073 * Pointer to flow structure.
1074 * @param[in] flow_size
1075 * Size in bytes of the available space in @p flow, if too small, nothing is
1078 * Pointer to error structure.
1081 * On success the number of bytes consumed/necessary, if the returned value
1082 * is lesser or equal to @p flow_size, the @p item has fully been converted,
1083 * otherwise another call with this returned memory size should be done.
1084 * On error, a negative errno value is returned and rte_errno is set.
1087 mlx5_flow_item_ipv6(const struct rte_flow_item *item, struct rte_flow *flow,
1088 const size_t flow_size, struct rte_flow_error *error)
1090 const struct rte_flow_item_ipv6 *spec = item->spec;
1091 const struct rte_flow_item_ipv6 *mask = item->mask;
1092 const struct rte_flow_item_ipv6 nic_mask = {
1095 "\xff\xff\xff\xff\xff\xff\xff\xff"
1096 "\xff\xff\xff\xff\xff\xff\xff\xff",
1098 "\xff\xff\xff\xff\xff\xff\xff\xff"
1099 "\xff\xff\xff\xff\xff\xff\xff\xff",
1100 .vtc_flow = RTE_BE32(0xffffffff),
1105 const int tunnel = !!(flow->layers & MLX5_FLOW_LAYER_TUNNEL);
1106 unsigned int size = sizeof(struct ibv_flow_spec_ipv6);
1107 struct ibv_flow_spec_ipv6 ipv6 = {
1108 .type = IBV_FLOW_SPEC_IPV6 | (tunnel ? IBV_FLOW_SPEC_INNER : 0),
1113 if (flow->layers & (tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
1114 MLX5_FLOW_LAYER_OUTER_L3))
1115 return rte_flow_error_set(error, ENOTSUP,
1116 RTE_FLOW_ERROR_TYPE_ITEM,
1118 "multiple L3 layers not supported");
1119 else if (flow->layers & (tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
1120 MLX5_FLOW_LAYER_OUTER_L4))
1121 return rte_flow_error_set(error, ENOTSUP,
1122 RTE_FLOW_ERROR_TYPE_ITEM,
1124 "L3 cannot follow an L4 layer.");
1126 * IPv6 is not recognised by the NIC inside a GRE tunnel.
1127 * Such support has to be disabled as the rule will be
1128 * accepted. Issue reproduced with Mellanox OFED 4.3-3.0.2.1 and
1129 * Mellanox OFED 4.4-1.0.0.0.
1131 if (tunnel && flow->layers & MLX5_FLOW_LAYER_GRE)
1132 return rte_flow_error_set(error, ENOTSUP,
1133 RTE_FLOW_ERROR_TYPE_ITEM,
1135 "IPv6 inside a GRE tunnel is"
1136 " not recognised.");
1138 mask = &rte_flow_item_ipv6_mask;
1139 ret = mlx5_flow_item_acceptable
1140 (item, (const uint8_t *)mask,
1141 (const uint8_t *)&nic_mask,
1142 sizeof(struct rte_flow_item_ipv6), error);
1145 flow->layers |= tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV6 :
1146 MLX5_FLOW_LAYER_OUTER_L3_IPV6;
1149 uint32_t vtc_flow_val;
1150 uint32_t vtc_flow_mask;
1152 memcpy(&ipv6.val.src_ip, spec->hdr.src_addr,
1153 RTE_DIM(ipv6.val.src_ip));
1154 memcpy(&ipv6.val.dst_ip, spec->hdr.dst_addr,
1155 RTE_DIM(ipv6.val.dst_ip));
1156 memcpy(&ipv6.mask.src_ip, mask->hdr.src_addr,
1157 RTE_DIM(ipv6.mask.src_ip));
1158 memcpy(&ipv6.mask.dst_ip, mask->hdr.dst_addr,
1159 RTE_DIM(ipv6.mask.dst_ip));
1160 vtc_flow_val = rte_be_to_cpu_32(spec->hdr.vtc_flow);
1161 vtc_flow_mask = rte_be_to_cpu_32(mask->hdr.vtc_flow);
1162 ipv6.val.flow_label =
1163 rte_cpu_to_be_32((vtc_flow_val & IPV6_HDR_FL_MASK) >>
1165 ipv6.val.traffic_class = (vtc_flow_val & IPV6_HDR_TC_MASK) >>
1167 ipv6.val.next_hdr = spec->hdr.proto;
1168 ipv6.val.hop_limit = spec->hdr.hop_limits;
1169 ipv6.mask.flow_label =
1170 rte_cpu_to_be_32((vtc_flow_mask & IPV6_HDR_FL_MASK) >>
1172 ipv6.mask.traffic_class = (vtc_flow_mask & IPV6_HDR_TC_MASK) >>
1174 ipv6.mask.next_hdr = mask->hdr.proto;
1175 ipv6.mask.hop_limit = mask->hdr.hop_limits;
1176 /* Remove unwanted bits from values. */
1177 for (i = 0; i < RTE_DIM(ipv6.val.src_ip); ++i) {
1178 ipv6.val.src_ip[i] &= ipv6.mask.src_ip[i];
1179 ipv6.val.dst_ip[i] &= ipv6.mask.dst_ip[i];
1181 ipv6.val.flow_label &= ipv6.mask.flow_label;
1182 ipv6.val.traffic_class &= ipv6.mask.traffic_class;
1183 ipv6.val.next_hdr &= ipv6.mask.next_hdr;
1184 ipv6.val.hop_limit &= ipv6.mask.hop_limit;
1186 flow->l3_protocol_en = !!ipv6.mask.next_hdr;
1187 flow->l3_protocol = ipv6.val.next_hdr;
1188 if (size <= flow_size) {
1189 mlx5_flow_verbs_hashfields_adjust
1191 (ETH_RSS_IPV6 | ETH_RSS_NONFRAG_IPV6_OTHER),
1192 (IBV_RX_HASH_SRC_IPV6 | IBV_RX_HASH_DST_IPV6));
1193 flow->cur_verbs->attr->priority = MLX5_PRIORITY_MAP_L3;
1194 mlx5_flow_spec_verbs_add(flow, &ipv6, size);
1200 * Convert the @p item into a Verbs specification after ensuring the NIC
1201 * will understand and process it correctly.
1202 * If the necessary size for the conversion is greater than the @p flow_size,
1203 * nothing is written in @p flow, the validation is still performed.
1206 * Item specification.
1207 * @param[in, out] flow
1208 * Pointer to flow structure.
1209 * @param[in] flow_size
1210 * Size in bytes of the available space in @p flow, if too small, nothing is
1213 * Pointer to error structure.
1216 * On success the number of bytes consumed/necessary, if the returned value
1217 * is lesser or equal to @p flow_size, the @p item has fully been converted,
1218 * otherwise another call with this returned memory size should be done.
1219 * On error, a negative errno value is returned and rte_errno is set.
1222 mlx5_flow_item_udp(const struct rte_flow_item *item, struct rte_flow *flow,
1223 const size_t flow_size, struct rte_flow_error *error)
1225 const struct rte_flow_item_udp *spec = item->spec;
1226 const struct rte_flow_item_udp *mask = item->mask;
1227 const int tunnel = !!(flow->layers & MLX5_FLOW_LAYER_TUNNEL);
1228 unsigned int size = sizeof(struct ibv_flow_spec_tcp_udp);
1229 struct ibv_flow_spec_tcp_udp udp = {
1230 .type = IBV_FLOW_SPEC_UDP | (tunnel ? IBV_FLOW_SPEC_INNER : 0),
1235 if (flow->l3_protocol_en && flow->l3_protocol != MLX5_IP_PROTOCOL_UDP)
1236 return rte_flow_error_set(error, ENOTSUP,
1237 RTE_FLOW_ERROR_TYPE_ITEM,
1239 "protocol filtering not compatible"
1241 if (!(flow->layers & (tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
1242 MLX5_FLOW_LAYER_OUTER_L3)))
1243 return rte_flow_error_set(error, ENOTSUP,
1244 RTE_FLOW_ERROR_TYPE_ITEM,
1246 "L3 is mandatory to filter"
1248 if (flow->layers & (tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
1249 MLX5_FLOW_LAYER_OUTER_L4))
1250 return rte_flow_error_set(error, ENOTSUP,
1251 RTE_FLOW_ERROR_TYPE_ITEM,
1253 "L4 layer is already"
1256 mask = &rte_flow_item_udp_mask;
1257 ret = mlx5_flow_item_acceptable
1258 (item, (const uint8_t *)mask,
1259 (const uint8_t *)&rte_flow_item_udp_mask,
1260 sizeof(struct rte_flow_item_udp), error);
1263 flow->layers |= tunnel ? MLX5_FLOW_LAYER_INNER_L4_UDP :
1264 MLX5_FLOW_LAYER_OUTER_L4_UDP;
1266 udp.val.dst_port = spec->hdr.dst_port;
1267 udp.val.src_port = spec->hdr.src_port;
1268 udp.mask.dst_port = mask->hdr.dst_port;
1269 udp.mask.src_port = mask->hdr.src_port;
1270 /* Remove unwanted bits from values. */
1271 udp.val.src_port &= udp.mask.src_port;
1272 udp.val.dst_port &= udp.mask.dst_port;
1274 if (size <= flow_size) {
1275 mlx5_flow_verbs_hashfields_adjust(flow, tunnel, ETH_RSS_UDP,
1276 (IBV_RX_HASH_SRC_PORT_UDP |
1277 IBV_RX_HASH_DST_PORT_UDP));
1278 flow->cur_verbs->attr->priority = MLX5_PRIORITY_MAP_L4;
1279 mlx5_flow_spec_verbs_add(flow, &udp, size);
1285 * Convert the @p item into a Verbs specification after ensuring the NIC
1286 * will understand and process it correctly.
1287 * If the necessary size for the conversion is greater than the @p flow_size,
1288 * nothing is written in @p flow, the validation is still performed.
1291 * Item specification.
1292 * @param[in, out] flow
1293 * Pointer to flow structure.
1294 * @param[in] flow_size
1295 * Size in bytes of the available space in @p flow, if too small, nothing is
1298 * Pointer to error structure.
1301 * On success the number of bytes consumed/necessary, if the returned value
1302 * is lesser or equal to @p flow_size, the @p item has fully been converted,
1303 * otherwise another call with this returned memory size should be done.
1304 * On error, a negative errno value is returned and rte_errno is set.
1307 mlx5_flow_item_tcp(const struct rte_flow_item *item, struct rte_flow *flow,
1308 const size_t flow_size, struct rte_flow_error *error)
1310 const struct rte_flow_item_tcp *spec = item->spec;
1311 const struct rte_flow_item_tcp *mask = item->mask;
1312 const int tunnel = !!(flow->layers & MLX5_FLOW_LAYER_TUNNEL);
1313 unsigned int size = sizeof(struct ibv_flow_spec_tcp_udp);
1314 struct ibv_flow_spec_tcp_udp tcp = {
1315 .type = IBV_FLOW_SPEC_TCP | (tunnel ? IBV_FLOW_SPEC_INNER : 0),
1320 if (flow->l3_protocol_en && flow->l3_protocol != MLX5_IP_PROTOCOL_TCP)
1321 return rte_flow_error_set(error, ENOTSUP,
1322 RTE_FLOW_ERROR_TYPE_ITEM,
1324 "protocol filtering not compatible"
1326 if (!(flow->layers & (tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
1327 MLX5_FLOW_LAYER_OUTER_L3)))
1328 return rte_flow_error_set(error, ENOTSUP,
1329 RTE_FLOW_ERROR_TYPE_ITEM,
1331 "L3 is mandatory to filter on L4");
1332 if (flow->layers & (tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
1333 MLX5_FLOW_LAYER_OUTER_L4))
1334 return rte_flow_error_set(error, ENOTSUP,
1335 RTE_FLOW_ERROR_TYPE_ITEM,
1337 "L4 layer is already present");
1339 mask = &rte_flow_item_tcp_mask;
1340 ret = mlx5_flow_item_acceptable
1341 (item, (const uint8_t *)mask,
1342 (const uint8_t *)&rte_flow_item_tcp_mask,
1343 sizeof(struct rte_flow_item_tcp), error);
1346 flow->layers |= tunnel ? MLX5_FLOW_LAYER_INNER_L4_TCP :
1347 MLX5_FLOW_LAYER_OUTER_L4_TCP;
1349 tcp.val.dst_port = spec->hdr.dst_port;
1350 tcp.val.src_port = spec->hdr.src_port;
1351 tcp.mask.dst_port = mask->hdr.dst_port;
1352 tcp.mask.src_port = mask->hdr.src_port;
1353 /* Remove unwanted bits from values. */
1354 tcp.val.src_port &= tcp.mask.src_port;
1355 tcp.val.dst_port &= tcp.mask.dst_port;
1357 if (size <= flow_size) {
1358 mlx5_flow_verbs_hashfields_adjust(flow, tunnel, ETH_RSS_TCP,
1359 (IBV_RX_HASH_SRC_PORT_TCP |
1360 IBV_RX_HASH_DST_PORT_TCP));
1361 flow->cur_verbs->attr->priority = MLX5_PRIORITY_MAP_L4;
1362 mlx5_flow_spec_verbs_add(flow, &tcp, size);
1368 * Convert the @p item into a Verbs specification after ensuring the NIC
1369 * will understand and process it correctly.
1370 * If the necessary size for the conversion is greater than the @p flow_size,
1371 * nothing is written in @p flow, the validation is still performed.
1374 * Item specification.
1375 * @param[in, out] flow
1376 * Pointer to flow structure.
1377 * @param[in] flow_size
1378 * Size in bytes of the available space in @p flow, if too small, nothing is
1381 * Pointer to error structure.
1384 * On success the number of bytes consumed/necessary, if the returned value
1385 * is lesser or equal to @p flow_size, the @p item has fully been converted,
1386 * otherwise another call with this returned memory size should be done.
1387 * On error, a negative errno value is returned and rte_errno is set.
1390 mlx5_flow_item_vxlan(const struct rte_flow_item *item, struct rte_flow *flow,
1391 const size_t flow_size, struct rte_flow_error *error)
1393 const struct rte_flow_item_vxlan *spec = item->spec;
1394 const struct rte_flow_item_vxlan *mask = item->mask;
1395 unsigned int size = sizeof(struct ibv_flow_spec_tunnel);
1396 struct ibv_flow_spec_tunnel vxlan = {
1397 .type = IBV_FLOW_SPEC_VXLAN_TUNNEL,
1404 } id = { .vlan_id = 0, };
1406 if (flow->layers & MLX5_FLOW_LAYER_TUNNEL)
1407 return rte_flow_error_set(error, ENOTSUP,
1408 RTE_FLOW_ERROR_TYPE_ITEM,
1410 "a tunnel is already present");
1412 * Verify only UDPv4 is present as defined in
1413 * https://tools.ietf.org/html/rfc7348
1415 if (!(flow->layers & MLX5_FLOW_LAYER_OUTER_L4_UDP))
1416 return rte_flow_error_set(error, ENOTSUP,
1417 RTE_FLOW_ERROR_TYPE_ITEM,
1419 "no outer UDP layer found");
1421 mask = &rte_flow_item_vxlan_mask;
1422 ret = mlx5_flow_item_acceptable
1423 (item, (const uint8_t *)mask,
1424 (const uint8_t *)&rte_flow_item_vxlan_mask,
1425 sizeof(struct rte_flow_item_vxlan), error);
1429 memcpy(&id.vni[1], spec->vni, 3);
1430 vxlan.val.tunnel_id = id.vlan_id;
1431 memcpy(&id.vni[1], mask->vni, 3);
1432 vxlan.mask.tunnel_id = id.vlan_id;
1433 /* Remove unwanted bits from values. */
1434 vxlan.val.tunnel_id &= vxlan.mask.tunnel_id;
1437 * Tunnel id 0 is equivalent as not adding a VXLAN layer, if
1438 * only this layer is defined in the Verbs specification it is
1439 * interpreted as wildcard and all packets will match this
1440 * rule, if it follows a full stack layer (ex: eth / ipv4 /
1441 * udp), all packets matching the layers before will also
1442 * match this rule. To avoid such situation, VNI 0 is
1443 * currently refused.
1445 if (!vxlan.val.tunnel_id)
1446 return rte_flow_error_set(error, EINVAL,
1447 RTE_FLOW_ERROR_TYPE_ITEM,
1449 "VXLAN vni cannot be 0");
1450 if (!(flow->layers & MLX5_FLOW_LAYER_OUTER))
1451 return rte_flow_error_set(error, EINVAL,
1452 RTE_FLOW_ERROR_TYPE_ITEM,
1454 "VXLAN tunnel must be fully defined");
1455 if (size <= flow_size) {
1456 mlx5_flow_spec_verbs_add(flow, &vxlan, size);
1457 flow->cur_verbs->attr->priority = MLX5_PRIORITY_MAP_L2;
1459 flow->layers |= MLX5_FLOW_LAYER_VXLAN;
1464 * Convert the @p item into a Verbs specification after ensuring the NIC
1465 * will understand and process it correctly.
1466 * If the necessary size for the conversion is greater than the @p flow_size,
1467 * nothing is written in @p flow, the validation is still performed.
1470 * Pointer to Ethernet device.
1472 * Item specification.
1473 * @param[in, out] flow
1474 * Pointer to flow structure.
1475 * @param[in] flow_size
1476 * Size in bytes of the available space in @p flow, if too small, nothing is
1479 * Pointer to error structure.
1482 * On success the number of bytes consumed/necessary, if the returned value
1483 * is lesser or equal to @p flow_size, the @p item has fully been converted,
1484 * otherwise another call with this returned memory size should be done.
1485 * On error, a negative errno value is returned and rte_errno is set.
1488 mlx5_flow_item_vxlan_gpe(struct rte_eth_dev *dev,
1489 const struct rte_flow_item *item,
1490 struct rte_flow *flow, const size_t flow_size,
1491 struct rte_flow_error *error)
1493 const struct rte_flow_item_vxlan_gpe *spec = item->spec;
1494 const struct rte_flow_item_vxlan_gpe *mask = item->mask;
1495 unsigned int size = sizeof(struct ibv_flow_spec_tunnel);
1496 struct ibv_flow_spec_tunnel vxlan_gpe = {
1497 .type = IBV_FLOW_SPEC_VXLAN_TUNNEL,
1504 } id = { .vlan_id = 0, };
1506 if (!((struct priv *)dev->data->dev_private)->config.l3_vxlan_en)
1507 return rte_flow_error_set(error, ENOTSUP,
1508 RTE_FLOW_ERROR_TYPE_ITEM,
1510 "L3 VXLAN is not enabled by device"
1511 " parameter and/or not configured in"
1513 if (flow->layers & MLX5_FLOW_LAYER_TUNNEL)
1514 return rte_flow_error_set(error, ENOTSUP,
1515 RTE_FLOW_ERROR_TYPE_ITEM,
1517 "a tunnel is already present");
1519 * Verify only UDPv4 is present as defined in
1520 * https://tools.ietf.org/html/rfc7348
1522 if (!(flow->layers & MLX5_FLOW_LAYER_OUTER_L4_UDP))
1523 return rte_flow_error_set(error, ENOTSUP,
1524 RTE_FLOW_ERROR_TYPE_ITEM,
1526 "no outer UDP layer found");
1528 mask = &rte_flow_item_vxlan_gpe_mask;
1529 ret = mlx5_flow_item_acceptable
1530 (item, (const uint8_t *)mask,
1531 (const uint8_t *)&rte_flow_item_vxlan_gpe_mask,
1532 sizeof(struct rte_flow_item_vxlan_gpe), error);
1536 memcpy(&id.vni[1], spec->vni, 3);
1537 vxlan_gpe.val.tunnel_id = id.vlan_id;
1538 memcpy(&id.vni[1], mask->vni, 3);
1539 vxlan_gpe.mask.tunnel_id = id.vlan_id;
1541 return rte_flow_error_set
1543 RTE_FLOW_ERROR_TYPE_ITEM,
1545 "VxLAN-GPE protocol not supported");
1546 /* Remove unwanted bits from values. */
1547 vxlan_gpe.val.tunnel_id &= vxlan_gpe.mask.tunnel_id;
1550 * Tunnel id 0 is equivalent as not adding a VXLAN layer, if only this
1551 * layer is defined in the Verbs specification it is interpreted as
1552 * wildcard and all packets will match this rule, if it follows a full
1553 * stack layer (ex: eth / ipv4 / udp), all packets matching the layers
1554 * before will also match this rule. To avoid such situation, VNI 0
1555 * is currently refused.
1557 if (!vxlan_gpe.val.tunnel_id)
1558 return rte_flow_error_set(error, EINVAL,
1559 RTE_FLOW_ERROR_TYPE_ITEM,
1561 "VXLAN-GPE vni cannot be 0");
1562 if (!(flow->layers & MLX5_FLOW_LAYER_OUTER))
1563 return rte_flow_error_set(error, EINVAL,
1564 RTE_FLOW_ERROR_TYPE_ITEM,
1566 "VXLAN-GPE tunnel must be fully"
1568 if (size <= flow_size) {
1569 mlx5_flow_spec_verbs_add(flow, &vxlan_gpe, size);
1570 flow->cur_verbs->attr->priority = MLX5_PRIORITY_MAP_L2;
1572 flow->layers |= MLX5_FLOW_LAYER_VXLAN_GPE;
1577 * Update the protocol in Verbs IPv4/IPv6 spec.
1579 * @param[in, out] attr
1580 * Pointer to Verbs attributes structure.
1582 * Specification type to search in order to update the IP protocol.
1583 * @param[in] protocol
1584 * Protocol value to set if none is present in the specification.
1587 mlx5_flow_item_gre_ip_protocol_update(struct ibv_flow_attr *attr,
1588 enum ibv_flow_spec_type search,
1592 struct ibv_spec_header *hdr = (struct ibv_spec_header *)
1593 ((uint8_t *)attr + sizeof(struct ibv_flow_attr));
1597 for (i = 0; i != attr->num_of_specs; ++i) {
1598 if (hdr->type == search) {
1600 struct ibv_flow_spec_ipv4_ext *ipv4;
1601 struct ibv_flow_spec_ipv6 *ipv6;
1605 case IBV_FLOW_SPEC_IPV4_EXT:
1606 ip.ipv4 = (struct ibv_flow_spec_ipv4_ext *)hdr;
1607 if (!ip.ipv4->val.proto) {
1608 ip.ipv4->val.proto = protocol;
1609 ip.ipv4->mask.proto = 0xff;
1612 case IBV_FLOW_SPEC_IPV6:
1613 ip.ipv6 = (struct ibv_flow_spec_ipv6 *)hdr;
1614 if (!ip.ipv6->val.next_hdr) {
1615 ip.ipv6->val.next_hdr = protocol;
1616 ip.ipv6->mask.next_hdr = 0xff;
1624 hdr = (struct ibv_spec_header *)((uint8_t *)hdr + hdr->size);
1629 * Convert the @p item into a Verbs specification after ensuring the NIC
1630 * will understand and process it correctly.
1631 * It will also update the previous L3 layer with the protocol value matching
1633 * If the necessary size for the conversion is greater than the @p flow_size,
1634 * nothing is written in @p flow, the validation is still performed.
1637 * Pointer to Ethernet device.
1639 * Item specification.
1640 * @param[in, out] flow
1641 * Pointer to flow structure.
1642 * @param[in] flow_size
1643 * Size in bytes of the available space in @p flow, if too small, nothing is
1646 * Pointer to error structure.
1649 * On success the number of bytes consumed/necessary, if the returned value
1650 * is lesser or equal to @p flow_size, the @p item has fully been converted,
1651 * otherwise another call with this returned memory size should be done.
1652 * On error, a negative errno value is returned and rte_errno is set.
1655 mlx5_flow_item_gre(const struct rte_flow_item *item,
1656 struct rte_flow *flow, const size_t flow_size,
1657 struct rte_flow_error *error)
1659 struct mlx5_flow_verbs *verbs = flow->cur_verbs;
1660 const struct rte_flow_item_gre *spec = item->spec;
1661 const struct rte_flow_item_gre *mask = item->mask;
1662 #ifdef HAVE_IBV_DEVICE_MPLS_SUPPORT
1663 unsigned int size = sizeof(struct ibv_flow_spec_gre);
1664 struct ibv_flow_spec_gre tunnel = {
1665 .type = IBV_FLOW_SPEC_GRE,
1669 unsigned int size = sizeof(struct ibv_flow_spec_tunnel);
1670 struct ibv_flow_spec_tunnel tunnel = {
1671 .type = IBV_FLOW_SPEC_VXLAN_TUNNEL,
1677 if (flow->l3_protocol_en && flow->l3_protocol != MLX5_IP_PROTOCOL_GRE)
1678 return rte_flow_error_set(error, ENOTSUP,
1679 RTE_FLOW_ERROR_TYPE_ITEM,
1681 "protocol filtering not compatible"
1682 " with this GRE layer");
1683 if (flow->layers & MLX5_FLOW_LAYER_TUNNEL)
1684 return rte_flow_error_set(error, ENOTSUP,
1685 RTE_FLOW_ERROR_TYPE_ITEM,
1687 "a tunnel is already present");
1688 if (!(flow->layers & MLX5_FLOW_LAYER_OUTER_L3))
1689 return rte_flow_error_set(error, ENOTSUP,
1690 RTE_FLOW_ERROR_TYPE_ITEM,
1692 "L3 Layer is missing");
1694 mask = &rte_flow_item_gre_mask;
1695 ret = mlx5_flow_item_acceptable
1696 (item, (const uint8_t *)mask,
1697 (const uint8_t *)&rte_flow_item_gre_mask,
1698 sizeof(struct rte_flow_item_gre), error);
1701 #ifdef HAVE_IBV_DEVICE_MPLS_SUPPORT
1703 tunnel.val.c_ks_res0_ver = spec->c_rsvd0_ver;
1704 tunnel.val.protocol = spec->protocol;
1705 tunnel.mask.c_ks_res0_ver = mask->c_rsvd0_ver;
1706 tunnel.mask.protocol = mask->protocol;
1707 /* Remove unwanted bits from values. */
1708 tunnel.val.c_ks_res0_ver &= tunnel.mask.c_ks_res0_ver;
1709 tunnel.val.protocol &= tunnel.mask.protocol;
1710 tunnel.val.key &= tunnel.mask.key;
1713 if (spec && (spec->protocol & mask->protocol))
1714 return rte_flow_error_set(error, ENOTSUP,
1715 RTE_FLOW_ERROR_TYPE_ITEM,
1717 "without MPLS support the"
1718 " specification cannot be used for"
1720 #endif /* !HAVE_IBV_DEVICE_MPLS_SUPPORT */
1721 if (size <= flow_size) {
1722 if (flow->layers & MLX5_FLOW_LAYER_OUTER_L3_IPV4)
1723 mlx5_flow_item_gre_ip_protocol_update
1724 (verbs->attr, IBV_FLOW_SPEC_IPV4_EXT,
1725 MLX5_IP_PROTOCOL_GRE);
1727 mlx5_flow_item_gre_ip_protocol_update
1728 (verbs->attr, IBV_FLOW_SPEC_IPV6,
1729 MLX5_IP_PROTOCOL_GRE);
1730 mlx5_flow_spec_verbs_add(flow, &tunnel, size);
1731 flow->cur_verbs->attr->priority = MLX5_PRIORITY_MAP_L2;
1733 flow->layers |= MLX5_FLOW_LAYER_GRE;
1738 * Convert the @p item into a Verbs specification after ensuring the NIC
1739 * will understand and process it correctly.
1740 * If the necessary size for the conversion is greater than the @p flow_size,
1741 * nothing is written in @p flow, the validation is still performed.
1744 * Item specification.
1745 * @param[in, out] flow
1746 * Pointer to flow structure.
1747 * @param[in] flow_size
1748 * Size in bytes of the available space in @p flow, if too small, nothing is
1751 * Pointer to error structure.
1754 * On success the number of bytes consumed/necessary, if the returned value
1755 * is lesser or equal to @p flow_size, the @p item has fully been converted,
1756 * otherwise another call with this returned memory size should be done.
1757 * On error, a negative errno value is returned and rte_errno is set.
1760 mlx5_flow_item_mpls(const struct rte_flow_item *item __rte_unused,
1761 struct rte_flow *flow __rte_unused,
1762 const size_t flow_size __rte_unused,
1763 struct rte_flow_error *error)
1765 #ifdef HAVE_IBV_DEVICE_MPLS_SUPPORT
1766 const struct rte_flow_item_mpls *spec = item->spec;
1767 const struct rte_flow_item_mpls *mask = item->mask;
1768 unsigned int size = sizeof(struct ibv_flow_spec_mpls);
1769 struct ibv_flow_spec_mpls mpls = {
1770 .type = IBV_FLOW_SPEC_MPLS,
1775 if (flow->l3_protocol_en && flow->l3_protocol != MLX5_IP_PROTOCOL_MPLS)
1776 return rte_flow_error_set(error, ENOTSUP,
1777 RTE_FLOW_ERROR_TYPE_ITEM,
1779 "protocol filtering not compatible"
1780 " with MPLS layer");
1781 /* Multi-tunnel isn't allowed but MPLS over GRE is an exception. */
1782 if (flow->layers & MLX5_FLOW_LAYER_TUNNEL &&
1783 (flow->layers & MLX5_FLOW_LAYER_GRE) != MLX5_FLOW_LAYER_GRE)
1784 return rte_flow_error_set(error, ENOTSUP,
1785 RTE_FLOW_ERROR_TYPE_ITEM,
1787 "a tunnel is already"
1790 mask = &rte_flow_item_mpls_mask;
1791 ret = mlx5_flow_item_acceptable
1792 (item, (const uint8_t *)mask,
1793 (const uint8_t *)&rte_flow_item_mpls_mask,
1794 sizeof(struct rte_flow_item_mpls), error);
1798 memcpy(&mpls.val.label, spec, sizeof(mpls.val.label));
1799 memcpy(&mpls.mask.label, mask, sizeof(mpls.mask.label));
1800 /* Remove unwanted bits from values. */
1801 mpls.val.label &= mpls.mask.label;
1803 if (size <= flow_size) {
1804 mlx5_flow_spec_verbs_add(flow, &mpls, size);
1805 flow->cur_verbs->attr->priority = MLX5_PRIORITY_MAP_L2;
1807 flow->layers |= MLX5_FLOW_LAYER_MPLS;
1809 #endif /* !HAVE_IBV_DEVICE_MPLS_SUPPORT */
1810 return rte_flow_error_set(error, ENOTSUP,
1811 RTE_FLOW_ERROR_TYPE_ITEM,
1813 "MPLS is not supported by Verbs, please"
1818 * Convert the @p pattern into a Verbs specifications after ensuring the NIC
1819 * will understand and process it correctly.
1820 * The conversion is performed item per item, each of them is written into
1821 * the @p flow if its size is lesser or equal to @p flow_size.
1822 * Validation and memory consumption computation are still performed until the
1823 * end of @p pattern, unless an error is encountered.
1825 * @param[in] pattern
1827 * @param[in, out] flow
1828 * Pointer to the rte_flow structure.
1829 * @param[in] flow_size
1830 * Size in bytes of the available space in @p flow, if too small some
1831 * garbage may be present.
1833 * Pointer to error structure.
1836 * On success the number of bytes consumed/necessary, if the returned value
1837 * is lesser or equal to @p flow_size, the @pattern has fully been
1838 * converted, otherwise another call with this returned memory size should
1840 * On error, a negative errno value is returned and rte_errno is set.
1843 mlx5_flow_items(struct rte_eth_dev *dev,
1844 const struct rte_flow_item pattern[],
1845 struct rte_flow *flow, const size_t flow_size,
1846 struct rte_flow_error *error)
1848 int remain = flow_size;
1851 for (; pattern->type != RTE_FLOW_ITEM_TYPE_END; pattern++) {
1854 switch (pattern->type) {
1855 case RTE_FLOW_ITEM_TYPE_VOID:
1857 case RTE_FLOW_ITEM_TYPE_ETH:
1858 ret = mlx5_flow_item_eth(pattern, flow, remain, error);
1860 case RTE_FLOW_ITEM_TYPE_VLAN:
1861 ret = mlx5_flow_item_vlan(pattern, flow, remain, error);
1863 case RTE_FLOW_ITEM_TYPE_IPV4:
1864 ret = mlx5_flow_item_ipv4(pattern, flow, remain, error);
1866 case RTE_FLOW_ITEM_TYPE_IPV6:
1867 ret = mlx5_flow_item_ipv6(pattern, flow, remain, error);
1869 case RTE_FLOW_ITEM_TYPE_UDP:
1870 ret = mlx5_flow_item_udp(pattern, flow, remain, error);
1872 case RTE_FLOW_ITEM_TYPE_TCP:
1873 ret = mlx5_flow_item_tcp(pattern, flow, remain, error);
1875 case RTE_FLOW_ITEM_TYPE_VXLAN:
1876 ret = mlx5_flow_item_vxlan(pattern, flow, remain,
1879 case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
1880 ret = mlx5_flow_item_vxlan_gpe(dev, pattern, flow,
1883 case RTE_FLOW_ITEM_TYPE_GRE:
1884 ret = mlx5_flow_item_gre(pattern, flow, remain, error);
1886 case RTE_FLOW_ITEM_TYPE_MPLS:
1887 ret = mlx5_flow_item_mpls(pattern, flow, remain, error);
1890 return rte_flow_error_set(error, ENOTSUP,
1891 RTE_FLOW_ERROR_TYPE_ITEM,
1893 "item not supported");
1903 if (!flow->layers) {
1904 const struct rte_flow_item item = {
1905 .type = RTE_FLOW_ITEM_TYPE_ETH,
1908 return mlx5_flow_item_eth(&item, flow, flow_size, error);
1914 * Convert the @p action into a Verbs specification after ensuring the NIC
1915 * will understand and process it correctly.
1916 * If the necessary size for the conversion is greater than the @p flow_size,
1917 * nothing is written in @p flow, the validation is still performed.
1920 * Action configuration.
1921 * @param[in, out] flow
1922 * Pointer to flow structure.
1923 * @param[in] flow_size
1924 * Size in bytes of the available space in @p flow, if too small, nothing is
1927 * Pointer to error structure.
1930 * On success the number of bytes consumed/necessary, if the returned value
1931 * is lesser or equal to @p flow_size, the @p action has fully been
1932 * converted, otherwise another call with this returned memory size should
1934 * On error, a negative errno value is returned and rte_errno is set.
1937 mlx5_flow_action_drop(const struct rte_flow_action *action,
1938 struct rte_flow *flow, const size_t flow_size,
1939 struct rte_flow_error *error)
1941 unsigned int size = sizeof(struct ibv_flow_spec_action_drop);
1942 struct ibv_flow_spec_action_drop drop = {
1943 .type = IBV_FLOW_SPEC_ACTION_DROP,
1948 return rte_flow_error_set(error, ENOTSUP,
1949 RTE_FLOW_ERROR_TYPE_ACTION,
1951 "multiple fate actions are not"
1953 if (flow->modifier & (MLX5_FLOW_MOD_FLAG | MLX5_FLOW_MOD_MARK))
1954 return rte_flow_error_set(error, ENOTSUP,
1955 RTE_FLOW_ERROR_TYPE_ACTION,
1957 "drop is not compatible with"
1958 " flag/mark action");
1959 if (size < flow_size)
1960 mlx5_flow_spec_verbs_add(flow, &drop, size);
1961 flow->fate |= MLX5_FLOW_FATE_DROP;
1966 * Convert the @p action into @p flow after ensuring the NIC will understand
1967 * and process it correctly.
1970 * Pointer to Ethernet device structure.
1972 * Action configuration.
1973 * @param[in, out] flow
1974 * Pointer to flow structure.
1976 * Pointer to error structure.
1979 * 0 on success, a negative errno value otherwise and rte_errno is set.
1982 mlx5_flow_action_queue(struct rte_eth_dev *dev,
1983 const struct rte_flow_action *action,
1984 struct rte_flow *flow,
1985 struct rte_flow_error *error)
1987 struct priv *priv = dev->data->dev_private;
1988 const struct rte_flow_action_queue *queue = action->conf;
1991 return rte_flow_error_set(error, ENOTSUP,
1992 RTE_FLOW_ERROR_TYPE_ACTION,
1994 "multiple fate actions are not"
1996 if (queue->index >= priv->rxqs_n)
1997 return rte_flow_error_set(error, EINVAL,
1998 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
2000 "queue index out of range");
2001 if (!(*priv->rxqs)[queue->index])
2002 return rte_flow_error_set(error, EINVAL,
2003 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
2005 "queue is not configured");
2007 (*flow->queue)[0] = queue->index;
2008 flow->rss.queue_num = 1;
2009 flow->fate |= MLX5_FLOW_FATE_QUEUE;
2014 * Ensure the @p action will be understood and used correctly by the NIC.
2017 * Pointer to Ethernet device structure.
2019 * Pointer to flow actions array.
2020 * @param flow[in, out]
2021 * Pointer to the rte_flow structure.
2022 * @param error[in, out]
2023 * Pointer to error structure.
2026 * On success @p flow->queue array and @p flow->rss are filled and valid.
2027 * On error, a negative errno value is returned and rte_errno is set.
2030 mlx5_flow_action_rss(struct rte_eth_dev *dev,
2031 const struct rte_flow_action *action,
2032 struct rte_flow *flow,
2033 struct rte_flow_error *error)
2035 struct priv *priv = dev->data->dev_private;
2036 const struct rte_flow_action_rss *rss = action->conf;
2040 return rte_flow_error_set(error, ENOTSUP,
2041 RTE_FLOW_ERROR_TYPE_ACTION,
2043 "multiple fate actions are not"
2045 if (rss->func != RTE_ETH_HASH_FUNCTION_DEFAULT &&
2046 rss->func != RTE_ETH_HASH_FUNCTION_TOEPLITZ)
2047 return rte_flow_error_set(error, ENOTSUP,
2048 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
2050 "RSS hash function not supported");
2051 #ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
2056 return rte_flow_error_set(error, ENOTSUP,
2057 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
2059 "tunnel RSS is not supported");
2060 if (rss->key_len < MLX5_RSS_HASH_KEY_LEN)
2061 return rte_flow_error_set(error, ENOTSUP,
2062 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
2064 "RSS hash key too small");
2065 if (rss->key_len > MLX5_RSS_HASH_KEY_LEN)
2066 return rte_flow_error_set(error, ENOTSUP,
2067 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
2069 "RSS hash key too large");
2070 if (!rss->queue_num)
2071 return rte_flow_error_set(error, ENOTSUP,
2072 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
2074 "no queues were provided for RSS");
2075 if (rss->queue_num > priv->config.ind_table_max_size)
2076 return rte_flow_error_set(error, ENOTSUP,
2077 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
2079 "number of queues too large");
2080 if (rss->types & MLX5_RSS_HF_MASK)
2081 return rte_flow_error_set(error, ENOTSUP,
2082 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
2084 "some RSS protocols are not"
2086 for (i = 0; i != rss->queue_num; ++i) {
2087 if (rss->queue[i] >= priv->rxqs_n)
2088 return rte_flow_error_set
2090 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
2092 "queue index out of range");
2093 if (!(*priv->rxqs)[rss->queue[i]])
2094 return rte_flow_error_set
2096 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
2098 "queue is not configured");
2101 memcpy((*flow->queue), rss->queue,
2102 rss->queue_num * sizeof(uint16_t));
2103 flow->rss.queue_num = rss->queue_num;
2104 memcpy(flow->key, rss->key, MLX5_RSS_HASH_KEY_LEN);
2105 flow->rss.types = rss->types;
2106 flow->rss.level = rss->level;
2107 flow->fate |= MLX5_FLOW_FATE_RSS;
2112 * Convert the @p action into a Verbs specification after ensuring the NIC
2113 * will understand and process it correctly.
2114 * If the necessary size for the conversion is greater than the @p flow_size,
2115 * nothing is written in @p flow, the validation is still performed.
2118 * Action configuration.
2119 * @param[in, out] flow
2120 * Pointer to flow structure.
2121 * @param[in] flow_size
2122 * Size in bytes of the available space in @p flow, if too small, nothing is
2125 * Pointer to error structure.
2128 * On success the number of bytes consumed/necessary, if the returned value
2129 * is lesser or equal to @p flow_size, the @p action has fully been
2130 * converted, otherwise another call with this returned memory size should
2132 * On error, a negative errno value is returned and rte_errno is set.
2135 mlx5_flow_action_flag(const struct rte_flow_action *action,
2136 struct rte_flow *flow, const size_t flow_size,
2137 struct rte_flow_error *error)
2139 unsigned int size = sizeof(struct ibv_flow_spec_action_tag);
2140 struct ibv_flow_spec_action_tag tag = {
2141 .type = IBV_FLOW_SPEC_ACTION_TAG,
2143 .tag_id = mlx5_flow_mark_set(MLX5_FLOW_MARK_DEFAULT),
2145 struct mlx5_flow_verbs *verbs = flow->cur_verbs;
2147 if (flow->modifier & MLX5_FLOW_MOD_FLAG)
2148 return rte_flow_error_set(error, ENOTSUP,
2149 RTE_FLOW_ERROR_TYPE_ACTION,
2151 "flag action already present");
2152 if (flow->fate & MLX5_FLOW_FATE_DROP)
2153 return rte_flow_error_set(error, ENOTSUP,
2154 RTE_FLOW_ERROR_TYPE_ACTION,
2156 "flag is not compatible with drop"
2158 if (flow->modifier & MLX5_FLOW_MOD_MARK)
2160 else if (size <= flow_size && verbs)
2161 mlx5_flow_spec_verbs_add(flow, &tag, size);
2162 flow->modifier |= MLX5_FLOW_MOD_FLAG;
2167 * Update verbs specification to modify the flag to mark.
2169 * @param[in, out] verbs
2170 * Pointer to the mlx5_flow_verbs structure.
2171 * @param[in] mark_id
2172 * Mark identifier to replace the flag.
2175 mlx5_flow_verbs_mark_update(struct mlx5_flow_verbs *verbs, uint32_t mark_id)
2177 struct ibv_spec_header *hdr;
2182 /* Update Verbs specification. */
2183 hdr = (struct ibv_spec_header *)verbs->specs;
2186 for (i = 0; i != verbs->attr->num_of_specs; ++i) {
2187 if (hdr->type == IBV_FLOW_SPEC_ACTION_TAG) {
2188 struct ibv_flow_spec_action_tag *t =
2189 (struct ibv_flow_spec_action_tag *)hdr;
2191 t->tag_id = mlx5_flow_mark_set(mark_id);
2193 hdr = (struct ibv_spec_header *)((uintptr_t)hdr + hdr->size);
2198 * Convert the @p action into @p flow (or by updating the already present
2199 * Flag Verbs specification) after ensuring the NIC will understand and
2200 * process it correctly.
2201 * If the necessary size for the conversion is greater than the @p flow_size,
2202 * nothing is written in @p flow, the validation is still performed.
2205 * Action configuration.
2206 * @param[in, out] flow
2207 * Pointer to flow structure.
2208 * @param[in] flow_size
2209 * Size in bytes of the available space in @p flow, if too small, nothing is
2212 * Pointer to error structure.
2215 * On success the number of bytes consumed/necessary, if the returned value
2216 * is lesser or equal to @p flow_size, the @p action has fully been
2217 * converted, otherwise another call with this returned memory size should
2219 * On error, a negative errno value is returned and rte_errno is set.
2222 mlx5_flow_action_mark(const struct rte_flow_action *action,
2223 struct rte_flow *flow, const size_t flow_size,
2224 struct rte_flow_error *error)
2226 const struct rte_flow_action_mark *mark = action->conf;
2227 unsigned int size = sizeof(struct ibv_flow_spec_action_tag);
2228 struct ibv_flow_spec_action_tag tag = {
2229 .type = IBV_FLOW_SPEC_ACTION_TAG,
2232 struct mlx5_flow_verbs *verbs = flow->cur_verbs;
2235 return rte_flow_error_set(error, EINVAL,
2236 RTE_FLOW_ERROR_TYPE_ACTION,
2238 "configuration cannot be null");
2239 if (mark->id >= MLX5_FLOW_MARK_MAX)
2240 return rte_flow_error_set(error, EINVAL,
2241 RTE_FLOW_ERROR_TYPE_ACTION_CONF,
2243 "mark id must in 0 <= id < "
2244 RTE_STR(MLX5_FLOW_MARK_MAX));
2245 if (flow->modifier & MLX5_FLOW_MOD_MARK)
2246 return rte_flow_error_set(error, ENOTSUP,
2247 RTE_FLOW_ERROR_TYPE_ACTION,
2249 "mark action already present");
2250 if (flow->fate & MLX5_FLOW_FATE_DROP)
2251 return rte_flow_error_set(error, ENOTSUP,
2252 RTE_FLOW_ERROR_TYPE_ACTION,
2254 "mark is not compatible with drop"
2256 if (flow->modifier & MLX5_FLOW_MOD_FLAG) {
2257 mlx5_flow_verbs_mark_update(verbs, mark->id);
2259 } else if (size <= flow_size) {
2260 tag.tag_id = mlx5_flow_mark_set(mark->id);
2261 mlx5_flow_spec_verbs_add(flow, &tag, size);
2263 flow->modifier |= MLX5_FLOW_MOD_MARK;
2268 * Convert the @p action into a Verbs specification after ensuring the NIC
2269 * will understand and process it correctly.
2270 * If the necessary size for the conversion is greater than the @p flow_size,
2271 * nothing is written in @p flow, the validation is still performed.
2274 * Action configuration.
2275 * @param flow[in, out]
2276 * Pointer to flow structure.
2277 * @param flow_size[in]
2278 * Size in bytes of the available space in @p flow, if too small, nothing is
2280 * @param error[int, out]
2281 * Pointer to error structure.
2284 * On success the number of bytes consumed/necessary, if the returned value
2285 * is lesser or equal to @p flow_size, the @p action has fully been
2286 * converted, otherwise another call with this returned memory size should
2288 * On error, a negative errno value is returned and rte_errno is set.
2291 mlx5_flow_action_count(struct rte_eth_dev *dev,
2292 const struct rte_flow_action *action,
2293 struct rte_flow *flow,
2294 const size_t flow_size __rte_unused,
2295 struct rte_flow_error *error)
2297 const struct rte_flow_action_count *count = action->conf;
2298 #ifdef HAVE_IBV_DEVICE_COUNTERS_SET_SUPPORT
2299 unsigned int size = sizeof(struct ibv_flow_spec_counter_action);
2300 struct ibv_flow_spec_counter_action counter = {
2301 .type = IBV_FLOW_SPEC_ACTION_COUNT,
2306 if (!flow->counter) {
2307 flow->counter = mlx5_flow_counter_new(dev, count->shared,
2310 return rte_flow_error_set(error, ENOTSUP,
2311 RTE_FLOW_ERROR_TYPE_ACTION,
2313 "cannot get counter"
2316 if (!((struct priv *)dev->data->dev_private)->config.flow_counter_en)
2317 return rte_flow_error_set(error, ENOTSUP,
2318 RTE_FLOW_ERROR_TYPE_ACTION,
2320 "flow counters are not supported.");
2321 flow->modifier |= MLX5_FLOW_MOD_COUNT;
2322 #ifdef HAVE_IBV_DEVICE_COUNTERS_SET_SUPPORT
2323 counter.counter_set_handle = flow->counter->cs->handle;
2324 if (size <= flow_size)
2325 mlx5_flow_spec_verbs_add(flow, &counter, size);
2332 * Convert the @p action into @p flow after ensuring the NIC will understand
2333 * and process it correctly.
2334 * The conversion is performed action per action, each of them is written into
2335 * the @p flow if its size is lesser or equal to @p flow_size.
2336 * Validation and memory consumption computation are still performed until the
2337 * end of @p action, unless an error is encountered.
2340 * Pointer to Ethernet device structure.
2341 * @param[in] actions
2342 * Pointer to flow actions array.
2343 * @param[in, out] flow
2344 * Pointer to the rte_flow structure.
2345 * @param[in] flow_size
2346 * Size in bytes of the available space in @p flow, if too small some
2347 * garbage may be present.
2349 * Pointer to error structure.
2352 * On success the number of bytes consumed/necessary, if the returned value
2353 * is lesser or equal to @p flow_size, the @p actions has fully been
2354 * converted, otherwise another call with this returned memory size should
2356 * On error, a negative errno value is returned and rte_errno is set.
2359 mlx5_flow_actions(struct rte_eth_dev *dev,
2360 const struct rte_flow_action actions[],
2361 struct rte_flow *flow, const size_t flow_size,
2362 struct rte_flow_error *error)
2365 int remain = flow_size;
2368 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
2369 switch (actions->type) {
2370 case RTE_FLOW_ACTION_TYPE_VOID:
2372 case RTE_FLOW_ACTION_TYPE_FLAG:
2373 ret = mlx5_flow_action_flag(actions, flow, remain,
2376 case RTE_FLOW_ACTION_TYPE_MARK:
2377 ret = mlx5_flow_action_mark(actions, flow, remain,
2380 case RTE_FLOW_ACTION_TYPE_DROP:
2381 ret = mlx5_flow_action_drop(actions, flow, remain,
2384 case RTE_FLOW_ACTION_TYPE_QUEUE:
2385 ret = mlx5_flow_action_queue(dev, actions, flow, error);
2387 case RTE_FLOW_ACTION_TYPE_RSS:
2388 ret = mlx5_flow_action_rss(dev, actions, flow, error);
2390 case RTE_FLOW_ACTION_TYPE_COUNT:
2391 ret = mlx5_flow_action_count(dev, actions, flow, remain,
2395 return rte_flow_error_set(error, ENOTSUP,
2396 RTE_FLOW_ERROR_TYPE_ACTION,
2398 "action not supported");
2409 return rte_flow_error_set(error, ENOTSUP,
2410 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
2412 "no fate action found");
2417 * Validate flow rule and fill flow structure accordingly.
2420 * Pointer to Ethernet device.
2422 * Pointer to flow structure.
2424 * Size of allocated space for @p flow.
2426 * Flow rule attributes.
2427 * @param[in] pattern
2428 * Pattern specification (list terminated by the END pattern item).
2429 * @param[in] actions
2430 * Associated actions (list terminated by the END action).
2432 * Perform verbose error reporting if not NULL.
2435 * A positive value representing the size of the flow object in bytes
2436 * regardless of @p flow_size on success, a negative errno value otherwise
2437 * and rte_errno is set.
2440 mlx5_flow_merge_switch(struct rte_eth_dev *dev,
2441 struct rte_flow *flow,
2443 const struct rte_flow_attr *attr,
2444 const struct rte_flow_item pattern[],
2445 const struct rte_flow_action actions[],
2446 struct rte_flow_error *error)
2448 unsigned int n = mlx5_dev_to_port_id(dev->device, NULL, 0);
2449 uint16_t port_id[!n + n];
2450 struct mlx5_nl_flow_ptoi ptoi[!n + n + 1];
2451 size_t off = RTE_ALIGN_CEIL(sizeof(*flow), alignof(max_align_t));
2453 unsigned int own = 0;
2456 /* At least one port is needed when no switch domain is present. */
2459 port_id[0] = dev->data->port_id;
2461 n = RTE_MIN(mlx5_dev_to_port_id(dev->device, port_id, n), n);
2463 for (i = 0; i != n; ++i) {
2464 struct rte_eth_dev_info dev_info;
2466 rte_eth_dev_info_get(port_id[i], &dev_info);
2467 if (port_id[i] == dev->data->port_id)
2469 ptoi[i].port_id = port_id[i];
2470 ptoi[i].ifindex = dev_info.if_index;
2472 /* Ensure first entry of ptoi[] is the current device. */
2475 ptoi[0] = ptoi[own];
2476 ptoi[own] = ptoi[n];
2478 /* An entry with zero ifindex terminates ptoi[]. */
2479 ptoi[n].port_id = 0;
2480 ptoi[n].ifindex = 0;
2481 if (flow_size < off)
2483 ret = mlx5_nl_flow_transpose((uint8_t *)flow + off,
2484 flow_size ? flow_size - off : 0,
2485 ptoi, attr, pattern, actions, error);
2489 *flow = (struct rte_flow){
2490 .attributes = *attr,
2491 .nl_flow = (uint8_t *)flow + off,
2494 * Generate a reasonably unique handle based on the address
2495 * of the target buffer.
2497 * This is straightforward on 32-bit systems where the flow
2498 * pointer can be used directly. Otherwise, its least
2499 * significant part is taken after shifting it by the
2500 * previous power of two of the pointed buffer size.
2502 if (sizeof(flow) <= 4)
2503 mlx5_nl_flow_brand(flow->nl_flow, (uintptr_t)flow);
2508 rte_log2_u32(rte_align32prevpow2(flow_size)));
2514 mlx5_find_graph_root(const struct rte_flow_item pattern[], uint32_t rss_level)
2516 const struct rte_flow_item *item;
2517 unsigned int has_vlan = 0;
2519 for (item = pattern; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
2520 if (item->type == RTE_FLOW_ITEM_TYPE_VLAN) {
2526 return rss_level < 2 ? MLX5_EXPANSION_ROOT_ETH_VLAN :
2527 MLX5_EXPANSION_ROOT_OUTER_ETH_VLAN;
2528 return rss_level < 2 ? MLX5_EXPANSION_ROOT :
2529 MLX5_EXPANSION_ROOT_OUTER;
2533 * Convert the @p attributes, @p pattern, @p action, into an flow for the NIC
2534 * after ensuring the NIC will understand and process it correctly.
2535 * The conversion is only performed item/action per item/action, each of
2536 * them is written into the @p flow if its size is lesser or equal to @p
2538 * Validation and memory consumption computation are still performed until the
2539 * end, unless an error is encountered.
2542 * Pointer to Ethernet device.
2543 * @param[in, out] flow
2544 * Pointer to flow structure.
2545 * @param[in] flow_size
2546 * Size in bytes of the available space in @p flow, if too small some
2547 * garbage may be present.
2548 * @param[in] attributes
2549 * Flow rule attributes.
2550 * @param[in] pattern
2551 * Pattern specification (list terminated by the END pattern item).
2552 * @param[in] actions
2553 * Associated actions (list terminated by the END action).
2555 * Perform verbose error reporting if not NULL.
2558 * On success the number of bytes consumed/necessary, if the returned value
2559 * is lesser or equal to @p flow_size, the flow has fully been converted and
2560 * can be applied, otherwise another call with this returned memory size
2562 * On error, a negative errno value is returned and rte_errno is set.
2565 mlx5_flow_merge(struct rte_eth_dev *dev, struct rte_flow *flow,
2566 const size_t flow_size,
2567 const struct rte_flow_attr *attributes,
2568 const struct rte_flow_item pattern[],
2569 const struct rte_flow_action actions[],
2570 struct rte_flow_error *error)
2572 struct rte_flow local_flow = { .layers = 0, };
2573 size_t size = sizeof(*flow);
2575 struct rte_flow_expand_rss buf;
2576 uint8_t buffer[2048];
2578 struct rte_flow_expand_rss *buf = &expand_buffer.buf;
2579 struct mlx5_flow_verbs *original_verbs = NULL;
2580 size_t original_verbs_size = 0;
2581 uint32_t original_layers = 0;
2582 int expanded_pattern_idx = 0;
2586 if (attributes->transfer)
2587 return mlx5_flow_merge_switch(dev, flow, flow_size,
2588 attributes, pattern,
2590 if (size > flow_size)
2592 ret = mlx5_flow_attributes(dev, attributes, flow, error);
2595 ret = mlx5_flow_actions(dev, actions, &local_flow, 0, error);
2598 if (local_flow.rss.types) {
2599 unsigned int graph_root;
2601 graph_root = mlx5_find_graph_root(pattern,
2602 local_flow.rss.level);
2603 ret = rte_flow_expand_rss(buf, sizeof(expand_buffer.buffer),
2604 pattern, local_flow.rss.types,
2605 mlx5_support_expansion,
2608 (unsigned int)ret < sizeof(expand_buffer.buffer));
2611 buf->entry[0].pattern = (void *)(uintptr_t)pattern;
2613 size += RTE_ALIGN_CEIL(local_flow.rss.queue_num * sizeof(uint16_t),
2615 if (size <= flow_size)
2616 flow->queue = (void *)(flow + 1);
2617 LIST_INIT(&flow->verbs);
2621 for (i = 0; i != buf->entries; ++i) {
2625 flow->layers = original_layers;
2626 size += sizeof(struct ibv_flow_attr) +
2627 sizeof(struct mlx5_flow_verbs);
2629 if (size < flow_size) {
2630 flow->cur_verbs = (void *)((uintptr_t)flow + off);
2631 flow->cur_verbs->attr = (void *)(flow->cur_verbs + 1);
2632 flow->cur_verbs->specs =
2633 (void *)(flow->cur_verbs->attr + 1);
2635 /* First iteration convert the pattern into Verbs. */
2637 /* Actions don't need to be converted several time. */
2638 ret = mlx5_flow_actions(dev, actions, flow,
2639 (size < flow_size) ?
2640 flow_size - size : 0,
2647 * Next iteration means the pattern has already been
2648 * converted and an expansion is necessary to match
2649 * the user RSS request. For that only the expanded
2650 * items will be converted, the common part with the
2651 * user pattern are just copied into the next buffer
2654 size += original_verbs_size;
2655 if (size < flow_size) {
2656 rte_memcpy(flow->cur_verbs->attr,
2657 original_verbs->attr,
2658 original_verbs_size +
2659 sizeof(struct ibv_flow_attr));
2660 flow->cur_verbs->size = original_verbs_size;
2663 ret = mlx5_flow_items
2665 (const struct rte_flow_item *)
2666 &buf->entry[i].pattern[expanded_pattern_idx],
2668 (size < flow_size) ? flow_size - size : 0, error);
2672 if (size <= flow_size) {
2673 mlx5_flow_adjust_priority(dev, flow);
2674 LIST_INSERT_HEAD(&flow->verbs, flow->cur_verbs, next);
2677 * Keep a pointer of the first verbs conversion and the layers
2678 * it has encountered.
2681 original_verbs = flow->cur_verbs;
2682 original_verbs_size = size - off2;
2683 original_layers = flow->layers;
2685 * move the index of the expanded pattern to the
2686 * first item not addressed yet.
2688 if (pattern->type == RTE_FLOW_ITEM_TYPE_END) {
2689 expanded_pattern_idx++;
2691 const struct rte_flow_item *item = pattern;
2693 for (item = pattern;
2694 item->type != RTE_FLOW_ITEM_TYPE_END;
2696 expanded_pattern_idx++;
2700 /* Restore the origin layers in the flow. */
2701 flow->layers = original_layers;
2706 * Lookup and set the ptype in the data Rx part. A single Ptype can be used,
2707 * if several tunnel rules are used on this queue, the tunnel ptype will be
2711 * Rx queue to update.
2714 mlx5_flow_rxq_tunnel_ptype_update(struct mlx5_rxq_ctrl *rxq_ctrl)
2717 uint32_t tunnel_ptype = 0;
2719 /* Look up for the ptype to use. */
2720 for (i = 0; i != MLX5_FLOW_TUNNEL; ++i) {
2721 if (!rxq_ctrl->flow_tunnels_n[i])
2723 if (!tunnel_ptype) {
2724 tunnel_ptype = tunnels_info[i].ptype;
2730 rxq_ctrl->rxq.tunnel = tunnel_ptype;
2734 * Set the Rx queue flags (Mark/Flag and Tunnel Ptypes) according to the flow.
2737 * Pointer to Ethernet device.
2739 * Pointer to flow structure.
2742 mlx5_flow_rxq_flags_set(struct rte_eth_dev *dev, struct rte_flow *flow)
2744 struct priv *priv = dev->data->dev_private;
2745 const int mark = !!(flow->modifier &
2746 (MLX5_FLOW_MOD_FLAG | MLX5_FLOW_MOD_MARK));
2747 const int tunnel = !!(flow->layers & MLX5_FLOW_LAYER_TUNNEL);
2750 for (i = 0; i != flow->rss.queue_num; ++i) {
2751 int idx = (*flow->queue)[i];
2752 struct mlx5_rxq_ctrl *rxq_ctrl =
2753 container_of((*priv->rxqs)[idx],
2754 struct mlx5_rxq_ctrl, rxq);
2757 rxq_ctrl->rxq.mark = 1;
2758 rxq_ctrl->flow_mark_n++;
2763 /* Increase the counter matching the flow. */
2764 for (j = 0; j != MLX5_FLOW_TUNNEL; ++j) {
2765 if ((tunnels_info[j].tunnel & flow->layers) ==
2766 tunnels_info[j].tunnel) {
2767 rxq_ctrl->flow_tunnels_n[j]++;
2771 mlx5_flow_rxq_tunnel_ptype_update(rxq_ctrl);
2777 * Clear the Rx queue flags (Mark/Flag and Tunnel Ptype) associated with the
2778 * @p flow if no other flow uses it with the same kind of request.
2781 * Pointer to Ethernet device.
2783 * Pointer to the flow.
2786 mlx5_flow_rxq_flags_trim(struct rte_eth_dev *dev, struct rte_flow *flow)
2788 struct priv *priv = dev->data->dev_private;
2789 const int mark = !!(flow->modifier &
2790 (MLX5_FLOW_MOD_FLAG | MLX5_FLOW_MOD_MARK));
2791 const int tunnel = !!(flow->layers & MLX5_FLOW_LAYER_TUNNEL);
2794 assert(dev->data->dev_started);
2795 for (i = 0; i != flow->rss.queue_num; ++i) {
2796 int idx = (*flow->queue)[i];
2797 struct mlx5_rxq_ctrl *rxq_ctrl =
2798 container_of((*priv->rxqs)[idx],
2799 struct mlx5_rxq_ctrl, rxq);
2802 rxq_ctrl->flow_mark_n--;
2803 rxq_ctrl->rxq.mark = !!rxq_ctrl->flow_mark_n;
2808 /* Decrease the counter matching the flow. */
2809 for (j = 0; j != MLX5_FLOW_TUNNEL; ++j) {
2810 if ((tunnels_info[j].tunnel & flow->layers) ==
2811 tunnels_info[j].tunnel) {
2812 rxq_ctrl->flow_tunnels_n[j]--;
2816 mlx5_flow_rxq_tunnel_ptype_update(rxq_ctrl);
2822 * Clear the Mark/Flag and Tunnel ptype information in all Rx queues.
2825 * Pointer to Ethernet device.
2828 mlx5_flow_rxq_flags_clear(struct rte_eth_dev *dev)
2830 struct priv *priv = dev->data->dev_private;
2833 for (i = 0; i != priv->rxqs_n; ++i) {
2834 struct mlx5_rxq_ctrl *rxq_ctrl;
2837 if (!(*priv->rxqs)[i])
2839 rxq_ctrl = container_of((*priv->rxqs)[i],
2840 struct mlx5_rxq_ctrl, rxq);
2841 rxq_ctrl->flow_mark_n = 0;
2842 rxq_ctrl->rxq.mark = 0;
2843 for (j = 0; j != MLX5_FLOW_TUNNEL; ++j)
2844 rxq_ctrl->flow_tunnels_n[j] = 0;
2845 rxq_ctrl->rxq.tunnel = 0;
2850 * Validate a flow supported by the NIC.
2852 * @see rte_flow_validate()
2856 mlx5_flow_validate(struct rte_eth_dev *dev,
2857 const struct rte_flow_attr *attr,
2858 const struct rte_flow_item items[],
2859 const struct rte_flow_action actions[],
2860 struct rte_flow_error *error)
2862 int ret = mlx5_flow_merge(dev, NULL, 0, attr, items, actions, error);
2873 * Pointer to Ethernet device.
2874 * @param[in, out] flow
2875 * Pointer to flow structure.
2878 mlx5_flow_remove(struct rte_eth_dev *dev, struct rte_flow *flow)
2880 struct priv *priv = dev->data->dev_private;
2881 struct mlx5_flow_verbs *verbs;
2883 if (flow->nl_flow && priv->mnl_socket)
2884 mlx5_nl_flow_destroy(priv->mnl_socket, flow->nl_flow, NULL);
2885 LIST_FOREACH(verbs, &flow->verbs, next) {
2887 claim_zero(mlx5_glue->destroy_flow(verbs->flow));
2891 if (flow->fate & MLX5_FLOW_FATE_DROP)
2892 mlx5_hrxq_drop_release(dev);
2894 mlx5_hrxq_release(dev, verbs->hrxq);
2898 if (flow->counter) {
2899 mlx5_flow_counter_release(flow->counter);
2900 flow->counter = NULL;
2908 * Pointer to Ethernet device structure.
2909 * @param[in, out] flow
2910 * Pointer to flow structure.
2912 * Pointer to error structure.
2915 * 0 on success, a negative errno value otherwise and rte_errno is set.
2918 mlx5_flow_apply(struct rte_eth_dev *dev, struct rte_flow *flow,
2919 struct rte_flow_error *error)
2921 struct priv *priv = dev->data->dev_private;
2922 struct mlx5_flow_verbs *verbs;
2925 LIST_FOREACH(verbs, &flow->verbs, next) {
2926 if (flow->fate & MLX5_FLOW_FATE_DROP) {
2927 verbs->hrxq = mlx5_hrxq_drop_new(dev);
2931 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
2933 "cannot get drop hash queue");
2937 struct mlx5_hrxq *hrxq;
2939 hrxq = mlx5_hrxq_get(dev, flow->key,
2940 MLX5_RSS_HASH_KEY_LEN,
2943 flow->rss.queue_num);
2945 hrxq = mlx5_hrxq_new(dev, flow->key,
2946 MLX5_RSS_HASH_KEY_LEN,
2949 flow->rss.queue_num,
2951 MLX5_FLOW_LAYER_TUNNEL));
2955 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
2957 "cannot get hash queue");
2963 mlx5_glue->create_flow(verbs->hrxq->qp, verbs->attr);
2965 rte_flow_error_set(error, errno,
2966 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
2968 "hardware refuses to create flow");
2972 if (flow->nl_flow &&
2974 mlx5_nl_flow_create(priv->mnl_socket, flow->nl_flow, error))
2978 err = rte_errno; /* Save rte_errno before cleanup. */
2979 LIST_FOREACH(verbs, &flow->verbs, next) {
2981 if (flow->fate & MLX5_FLOW_FATE_DROP)
2982 mlx5_hrxq_drop_release(dev);
2984 mlx5_hrxq_release(dev, verbs->hrxq);
2988 rte_errno = err; /* Restore rte_errno. */
2993 * Create a flow and add it to @p list.
2996 * Pointer to Ethernet device.
2998 * Pointer to a TAILQ flow list.
3000 * Flow rule attributes.
3002 * Pattern specification (list terminated by the END pattern item).
3003 * @param[in] actions
3004 * Associated actions (list terminated by the END action).
3006 * Perform verbose error reporting if not NULL.
3009 * A flow on success, NULL otherwise and rte_errno is set.
3011 static struct rte_flow *
3012 mlx5_flow_list_create(struct rte_eth_dev *dev,
3013 struct mlx5_flows *list,
3014 const struct rte_flow_attr *attr,
3015 const struct rte_flow_item items[],
3016 const struct rte_flow_action actions[],
3017 struct rte_flow_error *error)
3019 struct rte_flow *flow = NULL;
3023 ret = mlx5_flow_merge(dev, flow, size, attr, items, actions, error);
3027 flow = rte_calloc(__func__, 1, size, 0);
3029 rte_flow_error_set(error, ENOMEM,
3030 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
3032 "not enough memory to create flow");
3035 ret = mlx5_flow_merge(dev, flow, size, attr, items, actions, error);
3040 assert((size_t)ret == size);
3041 if (dev->data->dev_started) {
3042 ret = mlx5_flow_apply(dev, flow, error);
3044 ret = rte_errno; /* Save rte_errno before cleanup. */
3046 mlx5_flow_remove(dev, flow);
3049 rte_errno = ret; /* Restore rte_errno. */
3053 TAILQ_INSERT_TAIL(list, flow, next);
3054 mlx5_flow_rxq_flags_set(dev, flow);
3061 * @see rte_flow_create()
3065 mlx5_flow_create(struct rte_eth_dev *dev,
3066 const struct rte_flow_attr *attr,
3067 const struct rte_flow_item items[],
3068 const struct rte_flow_action actions[],
3069 struct rte_flow_error *error)
3071 return mlx5_flow_list_create
3072 (dev, &((struct priv *)dev->data->dev_private)->flows,
3073 attr, items, actions, error);
3077 * Destroy a flow in a list.
3080 * Pointer to Ethernet device.
3082 * Pointer to a TAILQ flow list.
3087 mlx5_flow_list_destroy(struct rte_eth_dev *dev, struct mlx5_flows *list,
3088 struct rte_flow *flow)
3090 mlx5_flow_remove(dev, flow);
3091 TAILQ_REMOVE(list, flow, next);
3093 * Update RX queue flags only if port is started, otherwise it is
3096 if (dev->data->dev_started)
3097 mlx5_flow_rxq_flags_trim(dev, flow);
3102 * Destroy all flows.
3105 * Pointer to Ethernet device.
3107 * Pointer to a TAILQ flow list.
3110 mlx5_flow_list_flush(struct rte_eth_dev *dev, struct mlx5_flows *list)
3112 while (!TAILQ_EMPTY(list)) {
3113 struct rte_flow *flow;
3115 flow = TAILQ_FIRST(list);
3116 mlx5_flow_list_destroy(dev, list, flow);
3124 * Pointer to Ethernet device.
3126 * Pointer to a TAILQ flow list.
3129 mlx5_flow_stop(struct rte_eth_dev *dev, struct mlx5_flows *list)
3131 struct rte_flow *flow;
3133 TAILQ_FOREACH_REVERSE(flow, list, mlx5_flows, next)
3134 mlx5_flow_remove(dev, flow);
3135 mlx5_flow_rxq_flags_clear(dev);
3142 * Pointer to Ethernet device.
3144 * Pointer to a TAILQ flow list.
3147 * 0 on success, a negative errno value otherwise and rte_errno is set.
3150 mlx5_flow_start(struct rte_eth_dev *dev, struct mlx5_flows *list)
3152 struct rte_flow *flow;
3153 struct rte_flow_error error;
3156 TAILQ_FOREACH(flow, list, next) {
3157 ret = mlx5_flow_apply(dev, flow, &error);
3160 mlx5_flow_rxq_flags_set(dev, flow);
3164 ret = rte_errno; /* Save rte_errno before cleanup. */
3165 mlx5_flow_stop(dev, list);
3166 rte_errno = ret; /* Restore rte_errno. */
3171 * Verify the flow list is empty
3174 * Pointer to Ethernet device.
3176 * @return the number of flows not released.
3179 mlx5_flow_verify(struct rte_eth_dev *dev)
3181 struct priv *priv = dev->data->dev_private;
3182 struct rte_flow *flow;
3185 TAILQ_FOREACH(flow, &priv->flows, next) {
3186 DRV_LOG(DEBUG, "port %u flow %p still referenced",
3187 dev->data->port_id, (void *)flow);
3194 * Enable a control flow configured from the control plane.
3197 * Pointer to Ethernet device.
3199 * An Ethernet flow spec to apply.
3201 * An Ethernet flow mask to apply.
3203 * A VLAN flow spec to apply.
3205 * A VLAN flow mask to apply.
3208 * 0 on success, a negative errno value otherwise and rte_errno is set.
3211 mlx5_ctrl_flow_vlan(struct rte_eth_dev *dev,
3212 struct rte_flow_item_eth *eth_spec,
3213 struct rte_flow_item_eth *eth_mask,
3214 struct rte_flow_item_vlan *vlan_spec,
3215 struct rte_flow_item_vlan *vlan_mask)
3217 struct priv *priv = dev->data->dev_private;
3218 const struct rte_flow_attr attr = {
3220 .priority = MLX5_FLOW_PRIO_RSVD,
3222 struct rte_flow_item items[] = {
3224 .type = RTE_FLOW_ITEM_TYPE_ETH,
3230 .type = (vlan_spec) ? RTE_FLOW_ITEM_TYPE_VLAN :
3231 RTE_FLOW_ITEM_TYPE_END,
3237 .type = RTE_FLOW_ITEM_TYPE_END,
3240 uint16_t queue[priv->reta_idx_n];
3241 struct rte_flow_action_rss action_rss = {
3242 .func = RTE_ETH_HASH_FUNCTION_DEFAULT,
3244 .types = priv->rss_conf.rss_hf,
3245 .key_len = priv->rss_conf.rss_key_len,
3246 .queue_num = priv->reta_idx_n,
3247 .key = priv->rss_conf.rss_key,
3250 struct rte_flow_action actions[] = {
3252 .type = RTE_FLOW_ACTION_TYPE_RSS,
3253 .conf = &action_rss,
3256 .type = RTE_FLOW_ACTION_TYPE_END,
3259 struct rte_flow *flow;
3260 struct rte_flow_error error;
3263 if (!priv->reta_idx_n) {
3267 for (i = 0; i != priv->reta_idx_n; ++i)
3268 queue[i] = (*priv->reta_idx)[i];
3269 flow = mlx5_flow_list_create(dev, &priv->ctrl_flows, &attr, items,
3277 * Enable a flow control configured from the control plane.
3280 * Pointer to Ethernet device.
3282 * An Ethernet flow spec to apply.
3284 * An Ethernet flow mask to apply.
3287 * 0 on success, a negative errno value otherwise and rte_errno is set.
3290 mlx5_ctrl_flow(struct rte_eth_dev *dev,
3291 struct rte_flow_item_eth *eth_spec,
3292 struct rte_flow_item_eth *eth_mask)
3294 return mlx5_ctrl_flow_vlan(dev, eth_spec, eth_mask, NULL, NULL);
3300 * @see rte_flow_destroy()
3304 mlx5_flow_destroy(struct rte_eth_dev *dev,
3305 struct rte_flow *flow,
3306 struct rte_flow_error *error __rte_unused)
3308 struct priv *priv = dev->data->dev_private;
3310 mlx5_flow_list_destroy(dev, &priv->flows, flow);
3315 * Destroy all flows.
3317 * @see rte_flow_flush()
3321 mlx5_flow_flush(struct rte_eth_dev *dev,
3322 struct rte_flow_error *error __rte_unused)
3324 struct priv *priv = dev->data->dev_private;
3326 mlx5_flow_list_flush(dev, &priv->flows);
3333 * @see rte_flow_isolate()
3337 mlx5_flow_isolate(struct rte_eth_dev *dev,
3339 struct rte_flow_error *error)
3341 struct priv *priv = dev->data->dev_private;
3343 if (dev->data->dev_started) {
3344 rte_flow_error_set(error, EBUSY,
3345 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
3347 "port must be stopped first");
3350 priv->isolated = !!enable;
3352 dev->dev_ops = &mlx5_dev_ops_isolate;
3354 dev->dev_ops = &mlx5_dev_ops;
3359 * Query flow counter.
3362 * Pointer to the flow.
3365 * 0 on success, a negative errno value otherwise and rte_errno is set.
3368 mlx5_flow_query_count(struct rte_flow *flow __rte_unused,
3369 void *data __rte_unused,
3370 struct rte_flow_error *error)
3372 #ifdef HAVE_IBV_DEVICE_COUNTERS_SET_SUPPORT
3373 if (flow->modifier & MLX5_FLOW_MOD_COUNT) {
3374 struct rte_flow_query_count *qc = data;
3375 uint64_t counters[2] = {0, 0};
3376 struct ibv_query_counter_set_attr query_cs_attr = {
3377 .cs = flow->counter->cs,
3378 .query_flags = IBV_COUNTER_SET_FORCE_UPDATE,
3380 struct ibv_counter_set_data query_out = {
3382 .outlen = 2 * sizeof(uint64_t),
3384 int err = mlx5_glue->query_counter_set(&query_cs_attr,
3388 return rte_flow_error_set
3390 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
3392 "cannot read counter");
3395 qc->hits = counters[0] - flow->counter->hits;
3396 qc->bytes = counters[1] - flow->counter->bytes;
3398 flow->counter->hits = counters[0];
3399 flow->counter->bytes = counters[1];
3403 return rte_flow_error_set(error, ENOTSUP,
3404 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
3406 "flow does not have counter");
3408 return rte_flow_error_set(error, ENOTSUP,
3409 RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
3411 "counters are not available");
3417 * @see rte_flow_query()
3421 mlx5_flow_query(struct rte_eth_dev *dev __rte_unused,
3422 struct rte_flow *flow,
3423 const struct rte_flow_action *actions,
3425 struct rte_flow_error *error)
3429 for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
3430 switch (actions->type) {
3431 case RTE_FLOW_ACTION_TYPE_VOID:
3433 case RTE_FLOW_ACTION_TYPE_COUNT:
3434 ret = mlx5_flow_query_count(flow, data, error);
3437 return rte_flow_error_set(error, ENOTSUP,
3438 RTE_FLOW_ERROR_TYPE_ACTION,
3440 "action not supported");
3449 * Convert a flow director filter to a generic flow.
3452 * Pointer to Ethernet device.
3453 * @param fdir_filter
3454 * Flow director filter to add.
3456 * Generic flow parameters structure.
3459 * 0 on success, a negative errno value otherwise and rte_errno is set.
3462 mlx5_fdir_filter_convert(struct rte_eth_dev *dev,
3463 const struct rte_eth_fdir_filter *fdir_filter,
3464 struct mlx5_fdir *attributes)
3466 struct priv *priv = dev->data->dev_private;
3467 const struct rte_eth_fdir_input *input = &fdir_filter->input;
3468 const struct rte_eth_fdir_masks *mask =
3469 &dev->data->dev_conf.fdir_conf.mask;
3471 /* Validate queue number. */
3472 if (fdir_filter->action.rx_queue >= priv->rxqs_n) {
3473 DRV_LOG(ERR, "port %u invalid queue number %d",
3474 dev->data->port_id, fdir_filter->action.rx_queue);
3478 attributes->attr.ingress = 1;
3479 attributes->items[0] = (struct rte_flow_item) {
3480 .type = RTE_FLOW_ITEM_TYPE_ETH,
3481 .spec = &attributes->l2,
3482 .mask = &attributes->l2_mask,
3484 switch (fdir_filter->action.behavior) {
3485 case RTE_ETH_FDIR_ACCEPT:
3486 attributes->actions[0] = (struct rte_flow_action){
3487 .type = RTE_FLOW_ACTION_TYPE_QUEUE,
3488 .conf = &attributes->queue,
3491 case RTE_ETH_FDIR_REJECT:
3492 attributes->actions[0] = (struct rte_flow_action){
3493 .type = RTE_FLOW_ACTION_TYPE_DROP,
3497 DRV_LOG(ERR, "port %u invalid behavior %d",
3499 fdir_filter->action.behavior);
3500 rte_errno = ENOTSUP;
3503 attributes->queue.index = fdir_filter->action.rx_queue;
3505 switch (fdir_filter->input.flow_type) {
3506 case RTE_ETH_FLOW_NONFRAG_IPV4_UDP:
3507 case RTE_ETH_FLOW_NONFRAG_IPV4_TCP:
3508 case RTE_ETH_FLOW_NONFRAG_IPV4_OTHER:
3509 attributes->l3.ipv4.hdr = (struct ipv4_hdr){
3510 .src_addr = input->flow.ip4_flow.src_ip,
3511 .dst_addr = input->flow.ip4_flow.dst_ip,
3512 .time_to_live = input->flow.ip4_flow.ttl,
3513 .type_of_service = input->flow.ip4_flow.tos,
3514 .next_proto_id = input->flow.ip4_flow.proto,
3516 attributes->l3_mask.ipv4.hdr = (struct ipv4_hdr){
3517 .src_addr = mask->ipv4_mask.src_ip,
3518 .dst_addr = mask->ipv4_mask.dst_ip,
3519 .time_to_live = mask->ipv4_mask.ttl,
3520 .type_of_service = mask->ipv4_mask.tos,
3521 .next_proto_id = mask->ipv4_mask.proto,
3523 attributes->items[1] = (struct rte_flow_item){
3524 .type = RTE_FLOW_ITEM_TYPE_IPV4,
3525 .spec = &attributes->l3,
3526 .mask = &attributes->l3_mask,
3529 case RTE_ETH_FLOW_NONFRAG_IPV6_UDP:
3530 case RTE_ETH_FLOW_NONFRAG_IPV6_TCP:
3531 case RTE_ETH_FLOW_NONFRAG_IPV6_OTHER:
3532 attributes->l3.ipv6.hdr = (struct ipv6_hdr){
3533 .hop_limits = input->flow.ipv6_flow.hop_limits,
3534 .proto = input->flow.ipv6_flow.proto,
3537 memcpy(attributes->l3.ipv6.hdr.src_addr,
3538 input->flow.ipv6_flow.src_ip,
3539 RTE_DIM(attributes->l3.ipv6.hdr.src_addr));
3540 memcpy(attributes->l3.ipv6.hdr.dst_addr,
3541 input->flow.ipv6_flow.dst_ip,
3542 RTE_DIM(attributes->l3.ipv6.hdr.src_addr));
3543 memcpy(attributes->l3_mask.ipv6.hdr.src_addr,
3544 mask->ipv6_mask.src_ip,
3545 RTE_DIM(attributes->l3_mask.ipv6.hdr.src_addr));
3546 memcpy(attributes->l3_mask.ipv6.hdr.dst_addr,
3547 mask->ipv6_mask.dst_ip,
3548 RTE_DIM(attributes->l3_mask.ipv6.hdr.src_addr));
3549 attributes->items[1] = (struct rte_flow_item){
3550 .type = RTE_FLOW_ITEM_TYPE_IPV6,
3551 .spec = &attributes->l3,
3552 .mask = &attributes->l3_mask,
3556 DRV_LOG(ERR, "port %u invalid flow type%d",
3557 dev->data->port_id, fdir_filter->input.flow_type);
3558 rte_errno = ENOTSUP;
3562 switch (fdir_filter->input.flow_type) {
3563 case RTE_ETH_FLOW_NONFRAG_IPV4_UDP:
3564 attributes->l4.udp.hdr = (struct udp_hdr){
3565 .src_port = input->flow.udp4_flow.src_port,
3566 .dst_port = input->flow.udp4_flow.dst_port,
3568 attributes->l4_mask.udp.hdr = (struct udp_hdr){
3569 .src_port = mask->src_port_mask,
3570 .dst_port = mask->dst_port_mask,
3572 attributes->items[2] = (struct rte_flow_item){
3573 .type = RTE_FLOW_ITEM_TYPE_UDP,
3574 .spec = &attributes->l4,
3575 .mask = &attributes->l4_mask,
3578 case RTE_ETH_FLOW_NONFRAG_IPV4_TCP:
3579 attributes->l4.tcp.hdr = (struct tcp_hdr){
3580 .src_port = input->flow.tcp4_flow.src_port,
3581 .dst_port = input->flow.tcp4_flow.dst_port,
3583 attributes->l4_mask.tcp.hdr = (struct tcp_hdr){
3584 .src_port = mask->src_port_mask,
3585 .dst_port = mask->dst_port_mask,
3587 attributes->items[2] = (struct rte_flow_item){
3588 .type = RTE_FLOW_ITEM_TYPE_TCP,
3589 .spec = &attributes->l4,
3590 .mask = &attributes->l4_mask,
3593 case RTE_ETH_FLOW_NONFRAG_IPV6_UDP:
3594 attributes->l4.udp.hdr = (struct udp_hdr){
3595 .src_port = input->flow.udp6_flow.src_port,
3596 .dst_port = input->flow.udp6_flow.dst_port,
3598 attributes->l4_mask.udp.hdr = (struct udp_hdr){
3599 .src_port = mask->src_port_mask,
3600 .dst_port = mask->dst_port_mask,
3602 attributes->items[2] = (struct rte_flow_item){
3603 .type = RTE_FLOW_ITEM_TYPE_UDP,
3604 .spec = &attributes->l4,
3605 .mask = &attributes->l4_mask,
3608 case RTE_ETH_FLOW_NONFRAG_IPV6_TCP:
3609 attributes->l4.tcp.hdr = (struct tcp_hdr){
3610 .src_port = input->flow.tcp6_flow.src_port,
3611 .dst_port = input->flow.tcp6_flow.dst_port,
3613 attributes->l4_mask.tcp.hdr = (struct tcp_hdr){
3614 .src_port = mask->src_port_mask,
3615 .dst_port = mask->dst_port_mask,
3617 attributes->items[2] = (struct rte_flow_item){
3618 .type = RTE_FLOW_ITEM_TYPE_TCP,
3619 .spec = &attributes->l4,
3620 .mask = &attributes->l4_mask,
3623 case RTE_ETH_FLOW_NONFRAG_IPV4_OTHER:
3624 case RTE_ETH_FLOW_NONFRAG_IPV6_OTHER:
3627 DRV_LOG(ERR, "port %u invalid flow type%d",
3628 dev->data->port_id, fdir_filter->input.flow_type);
3629 rte_errno = ENOTSUP;
3636 * Add new flow director filter and store it in list.
3639 * Pointer to Ethernet device.
3640 * @param fdir_filter
3641 * Flow director filter to add.
3644 * 0 on success, a negative errno value otherwise and rte_errno is set.
3647 mlx5_fdir_filter_add(struct rte_eth_dev *dev,
3648 const struct rte_eth_fdir_filter *fdir_filter)
3650 struct priv *priv = dev->data->dev_private;
3651 struct mlx5_fdir attributes = {
3654 .dst.addr_bytes = "\x00\x00\x00\x00\x00\x00",
3655 .src.addr_bytes = "\x00\x00\x00\x00\x00\x00",
3659 struct rte_flow_error error;
3660 struct rte_flow *flow;
3663 ret = mlx5_fdir_filter_convert(dev, fdir_filter, &attributes);
3666 flow = mlx5_flow_list_create(dev, &priv->flows, &attributes.attr,
3667 attributes.items, attributes.actions,
3670 DRV_LOG(DEBUG, "port %u FDIR created %p", dev->data->port_id,
3678 * Delete specific filter.
3681 * Pointer to Ethernet device.
3682 * @param fdir_filter
3683 * Filter to be deleted.
3686 * 0 on success, a negative errno value otherwise and rte_errno is set.
3689 mlx5_fdir_filter_delete(struct rte_eth_dev *dev __rte_unused,
3690 const struct rte_eth_fdir_filter *fdir_filter
3693 rte_errno = ENOTSUP;
3698 * Update queue for specific filter.
3701 * Pointer to Ethernet device.
3702 * @param fdir_filter
3703 * Filter to be updated.
3706 * 0 on success, a negative errno value otherwise and rte_errno is set.
3709 mlx5_fdir_filter_update(struct rte_eth_dev *dev,
3710 const struct rte_eth_fdir_filter *fdir_filter)
3714 ret = mlx5_fdir_filter_delete(dev, fdir_filter);
3717 return mlx5_fdir_filter_add(dev, fdir_filter);
3721 * Flush all filters.
3724 * Pointer to Ethernet device.
3727 mlx5_fdir_filter_flush(struct rte_eth_dev *dev)
3729 struct priv *priv = dev->data->dev_private;
3731 mlx5_flow_list_flush(dev, &priv->flows);
3735 * Get flow director information.
3738 * Pointer to Ethernet device.
3739 * @param[out] fdir_info
3740 * Resulting flow director information.
3743 mlx5_fdir_info_get(struct rte_eth_dev *dev, struct rte_eth_fdir_info *fdir_info)
3745 struct rte_eth_fdir_masks *mask =
3746 &dev->data->dev_conf.fdir_conf.mask;
3748 fdir_info->mode = dev->data->dev_conf.fdir_conf.mode;
3749 fdir_info->guarant_spc = 0;
3750 rte_memcpy(&fdir_info->mask, mask, sizeof(fdir_info->mask));
3751 fdir_info->max_flexpayload = 0;
3752 fdir_info->flow_types_mask[0] = 0;
3753 fdir_info->flex_payload_unit = 0;
3754 fdir_info->max_flex_payload_segment_num = 0;
3755 fdir_info->flex_payload_limit = 0;
3756 memset(&fdir_info->flex_conf, 0, sizeof(fdir_info->flex_conf));
3760 * Deal with flow director operations.
3763 * Pointer to Ethernet device.
3765 * Operation to perform.
3767 * Pointer to operation-specific structure.
3770 * 0 on success, a negative errno value otherwise and rte_errno is set.
3773 mlx5_fdir_ctrl_func(struct rte_eth_dev *dev, enum rte_filter_op filter_op,
3776 enum rte_fdir_mode fdir_mode =
3777 dev->data->dev_conf.fdir_conf.mode;
3779 if (filter_op == RTE_ETH_FILTER_NOP)
3781 if (fdir_mode != RTE_FDIR_MODE_PERFECT &&
3782 fdir_mode != RTE_FDIR_MODE_PERFECT_MAC_VLAN) {
3783 DRV_LOG(ERR, "port %u flow director mode %d not supported",
3784 dev->data->port_id, fdir_mode);
3788 switch (filter_op) {
3789 case RTE_ETH_FILTER_ADD:
3790 return mlx5_fdir_filter_add(dev, arg);
3791 case RTE_ETH_FILTER_UPDATE:
3792 return mlx5_fdir_filter_update(dev, arg);
3793 case RTE_ETH_FILTER_DELETE:
3794 return mlx5_fdir_filter_delete(dev, arg);
3795 case RTE_ETH_FILTER_FLUSH:
3796 mlx5_fdir_filter_flush(dev);
3798 case RTE_ETH_FILTER_INFO:
3799 mlx5_fdir_info_get(dev, arg);
3802 DRV_LOG(DEBUG, "port %u unknown operation %u",
3803 dev->data->port_id, filter_op);
3811 * Manage filter operations.
3814 * Pointer to Ethernet device structure.
3815 * @param filter_type
3818 * Operation to perform.
3820 * Pointer to operation-specific structure.
3823 * 0 on success, a negative errno value otherwise and rte_errno is set.
3826 mlx5_dev_filter_ctrl(struct rte_eth_dev *dev,
3827 enum rte_filter_type filter_type,
3828 enum rte_filter_op filter_op,
3831 switch (filter_type) {
3832 case RTE_ETH_FILTER_GENERIC:
3833 if (filter_op != RTE_ETH_FILTER_GET) {
3837 *(const void **)arg = &mlx5_flow_ops;
3839 case RTE_ETH_FILTER_FDIR:
3840 return mlx5_fdir_ctrl_func(dev, filter_op, arg);
3842 DRV_LOG(ERR, "port %u filter type (%d) not supported",
3843 dev->data->port_id, filter_type);
3844 rte_errno = ENOTSUP;