xref: /dpdk/drivers/net/mlx5/mlx5_flow.h (revision 2a7bb4fdf61e9edfb7adbaecb50e728b82da9e23)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright 2018 Mellanox Technologies, Ltd
3  */
4 
5 #ifndef RTE_PMD_MLX5_FLOW_H_
6 #define RTE_PMD_MLX5_FLOW_H_
7 
8 #include <netinet/in.h>
9 #include <sys/queue.h>
10 #include <stdalign.h>
11 #include <stdint.h>
12 #include <string.h>
13 
14 /* Verbs header. */
15 /* ISO C doesn't support unnamed structs/unions, disabling -pedantic. */
16 #ifdef PEDANTIC
17 #pragma GCC diagnostic ignored "-Wpedantic"
18 #endif
19 #include <infiniband/verbs.h>
20 #ifdef PEDANTIC
21 #pragma GCC diagnostic error "-Wpedantic"
22 #endif
23 
24 #include "mlx5.h"
25 #include "mlx5_prm.h"
26 
27 /* Pattern outer Layer bits. */
28 #define MLX5_FLOW_LAYER_OUTER_L2 (1u << 0)
29 #define MLX5_FLOW_LAYER_OUTER_L3_IPV4 (1u << 1)
30 #define MLX5_FLOW_LAYER_OUTER_L3_IPV6 (1u << 2)
31 #define MLX5_FLOW_LAYER_OUTER_L4_UDP (1u << 3)
32 #define MLX5_FLOW_LAYER_OUTER_L4_TCP (1u << 4)
33 #define MLX5_FLOW_LAYER_OUTER_VLAN (1u << 5)
34 
35 /* Pattern inner Layer bits. */
36 #define MLX5_FLOW_LAYER_INNER_L2 (1u << 6)
37 #define MLX5_FLOW_LAYER_INNER_L3_IPV4 (1u << 7)
38 #define MLX5_FLOW_LAYER_INNER_L3_IPV6 (1u << 8)
39 #define MLX5_FLOW_LAYER_INNER_L4_UDP (1u << 9)
40 #define MLX5_FLOW_LAYER_INNER_L4_TCP (1u << 10)
41 #define MLX5_FLOW_LAYER_INNER_VLAN (1u << 11)
42 
43 /* Pattern tunnel Layer bits. */
44 #define MLX5_FLOW_LAYER_VXLAN (1u << 12)
45 #define MLX5_FLOW_LAYER_VXLAN_GPE (1u << 13)
46 #define MLX5_FLOW_LAYER_GRE (1u << 14)
47 #define MLX5_FLOW_LAYER_MPLS (1u << 15)
48 
49 /* General pattern items bits. */
50 #define MLX5_FLOW_ITEM_METADATA (1u << 16)
51 
52 /* Outer Masks. */
53 #define MLX5_FLOW_LAYER_OUTER_L3 \
54 	(MLX5_FLOW_LAYER_OUTER_L3_IPV4 | MLX5_FLOW_LAYER_OUTER_L3_IPV6)
55 #define MLX5_FLOW_LAYER_OUTER_L4 \
56 	(MLX5_FLOW_LAYER_OUTER_L4_UDP | MLX5_FLOW_LAYER_OUTER_L4_TCP)
57 #define MLX5_FLOW_LAYER_OUTER \
58 	(MLX5_FLOW_LAYER_OUTER_L2 | MLX5_FLOW_LAYER_OUTER_L3 | \
59 	 MLX5_FLOW_LAYER_OUTER_L4)
60 
61 /* Tunnel Masks. */
62 #define MLX5_FLOW_LAYER_TUNNEL \
63 	(MLX5_FLOW_LAYER_VXLAN | MLX5_FLOW_LAYER_VXLAN_GPE | \
64 	 MLX5_FLOW_LAYER_GRE | MLX5_FLOW_LAYER_MPLS)
65 
66 /* Inner Masks. */
67 #define MLX5_FLOW_LAYER_INNER_L3 \
68 	(MLX5_FLOW_LAYER_INNER_L3_IPV4 | MLX5_FLOW_LAYER_INNER_L3_IPV6)
69 #define MLX5_FLOW_LAYER_INNER_L4 \
70 	(MLX5_FLOW_LAYER_INNER_L4_UDP | MLX5_FLOW_LAYER_INNER_L4_TCP)
71 #define MLX5_FLOW_LAYER_INNER \
72 	(MLX5_FLOW_LAYER_INNER_L2 | MLX5_FLOW_LAYER_INNER_L3 | \
73 	 MLX5_FLOW_LAYER_INNER_L4)
74 
75 /* Layer Masks. */
76 #define MLX5_FLOW_LAYER_L2 \
77 	(MLX5_FLOW_LAYER_OUTER_L2 | MLX5_FLOW_LAYER_INNER_L2)
78 #define MLX5_FLOW_LAYER_L3_IPV4 \
79 	(MLX5_FLOW_LAYER_OUTER_L3_IPV4 | MLX5_FLOW_LAYER_INNER_L3_IPV4)
80 #define MLX5_FLOW_LAYER_L3_IPV6 \
81 	(MLX5_FLOW_LAYER_OUTER_L3_IPV6 | MLX5_FLOW_LAYER_INNER_L3_IPV6)
82 #define MLX5_FLOW_LAYER_L3 \
83 	(MLX5_FLOW_LAYER_L3_IPV4 | MLX5_FLOW_LAYER_L3_IPV6)
84 #define MLX5_FLOW_LAYER_L4 \
85 	(MLX5_FLOW_LAYER_OUTER_L4 | MLX5_FLOW_LAYER_INNER_L4)
86 
87 /* Actions */
88 #define MLX5_FLOW_ACTION_DROP (1u << 0)
89 #define MLX5_FLOW_ACTION_QUEUE (1u << 1)
90 #define MLX5_FLOW_ACTION_RSS (1u << 2)
91 #define MLX5_FLOW_ACTION_FLAG (1u << 3)
92 #define MLX5_FLOW_ACTION_MARK (1u << 4)
93 #define MLX5_FLOW_ACTION_COUNT (1u << 5)
94 #define MLX5_FLOW_ACTION_PORT_ID (1u << 6)
95 #define MLX5_FLOW_ACTION_OF_POP_VLAN (1u << 7)
96 #define MLX5_FLOW_ACTION_OF_PUSH_VLAN (1u << 8)
97 #define MLX5_FLOW_ACTION_OF_SET_VLAN_VID (1u << 9)
98 #define MLX5_FLOW_ACTION_OF_SET_VLAN_PCP (1u << 10)
99 #define MLX5_FLOW_ACTION_SET_IPV4_SRC (1u << 11)
100 #define MLX5_FLOW_ACTION_SET_IPV4_DST (1u << 12)
101 #define MLX5_FLOW_ACTION_SET_IPV6_SRC (1u << 13)
102 #define MLX5_FLOW_ACTION_SET_IPV6_DST (1u << 14)
103 #define MLX5_FLOW_ACTION_SET_TP_SRC (1u << 15)
104 #define MLX5_FLOW_ACTION_SET_TP_DST (1u << 16)
105 #define MLX5_FLOW_ACTION_JUMP (1u << 17)
106 #define MLX5_FLOW_ACTION_SET_TTL (1u << 18)
107 #define MLX5_FLOW_ACTION_DEC_TTL (1u << 19)
108 #define MLX5_FLOW_ACTION_SET_MAC_SRC (1u << 20)
109 #define MLX5_FLOW_ACTION_SET_MAC_DST (1u << 21)
110 #define MLX5_FLOW_ACTION_VXLAN_ENCAP (1u << 22)
111 #define MLX5_FLOW_ACTION_VXLAN_DECAP (1u << 23)
112 #define MLX5_FLOW_ACTION_NVGRE_ENCAP (1u << 24)
113 #define MLX5_FLOW_ACTION_NVGRE_DECAP (1u << 25)
114 #define MLX5_FLOW_ACTION_RAW_ENCAP (1u << 26)
115 #define MLX5_FLOW_ACTION_RAW_DECAP (1u << 27)
116 
117 #define MLX5_FLOW_FATE_ACTIONS \
118 	(MLX5_FLOW_ACTION_DROP | MLX5_FLOW_ACTION_QUEUE | MLX5_FLOW_ACTION_RSS)
119 
120 #define MLX5_FLOW_ENCAP_ACTIONS	(MLX5_FLOW_ACTION_VXLAN_ENCAP | \
121 				 MLX5_FLOW_ACTION_NVGRE_ENCAP | \
122 				 MLX5_FLOW_ACTION_RAW_ENCAP)
123 
124 #define MLX5_FLOW_DECAP_ACTIONS	(MLX5_FLOW_ACTION_VXLAN_DECAP | \
125 				 MLX5_FLOW_ACTION_NVGRE_DECAP | \
126 				 MLX5_FLOW_ACTION_RAW_DECAP)
127 
128 #define MLX5_FLOW_MODIFY_HDR_ACTIONS (MLX5_FLOW_ACTION_SET_IPV4_SRC | \
129 				      MLX5_FLOW_ACTION_SET_IPV4_DST | \
130 				      MLX5_FLOW_ACTION_SET_IPV6_SRC | \
131 				      MLX5_FLOW_ACTION_SET_IPV6_DST | \
132 				      MLX5_FLOW_ACTION_SET_TP_SRC | \
133 				      MLX5_FLOW_ACTION_SET_TP_DST | \
134 				      MLX5_FLOW_ACTION_SET_TTL | \
135 				      MLX5_FLOW_ACTION_DEC_TTL | \
136 				      MLX5_FLOW_ACTION_SET_MAC_SRC | \
137 				      MLX5_FLOW_ACTION_SET_MAC_DST)
138 
139 #ifndef IPPROTO_MPLS
140 #define IPPROTO_MPLS 137
141 #endif
142 
143 /* UDP port number for MPLS */
144 #define MLX5_UDP_PORT_MPLS 6635
145 
146 /* UDP port numbers for VxLAN. */
147 #define MLX5_UDP_PORT_VXLAN 4789
148 #define MLX5_UDP_PORT_VXLAN_GPE 4790
149 
150 /* Priority reserved for default flows. */
151 #define MLX5_FLOW_PRIO_RSVD ((uint32_t)-1)
152 
153 /*
154  * Number of sub priorities.
155  * For each kind of pattern matching i.e. L2, L3, L4 to have a correct
156  * matching on the NIC (firmware dependent) L4 most have the higher priority
157  * followed by L3 and ending with L2.
158  */
159 #define MLX5_PRIORITY_MAP_L2 2
160 #define MLX5_PRIORITY_MAP_L3 1
161 #define MLX5_PRIORITY_MAP_L4 0
162 #define MLX5_PRIORITY_MAP_MAX 3
163 
164 /* Valid layer type for IPV4 RSS. */
165 #define MLX5_IPV4_LAYER_TYPES \
166 	(ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 | \
167 	 ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_NONFRAG_IPV4_UDP | \
168 	 ETH_RSS_NONFRAG_IPV4_OTHER)
169 
170 /* IBV hash source bits  for IPV4. */
171 #define MLX5_IPV4_IBV_RX_HASH (IBV_RX_HASH_SRC_IPV4 | IBV_RX_HASH_DST_IPV4)
172 
173 /* Valid layer type for IPV6 RSS. */
174 #define MLX5_IPV6_LAYER_TYPES \
175 	(ETH_RSS_IPV6 | ETH_RSS_FRAG_IPV6 | ETH_RSS_NONFRAG_IPV6_TCP | \
176 	 ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_IPV6_EX  | ETH_RSS_IPV6_TCP_EX | \
177 	 ETH_RSS_IPV6_UDP_EX | ETH_RSS_NONFRAG_IPV6_OTHER)
178 
179 /* IBV hash source bits  for IPV6. */
180 #define MLX5_IPV6_IBV_RX_HASH (IBV_RX_HASH_SRC_IPV6 | IBV_RX_HASH_DST_IPV6)
181 
182 enum mlx5_flow_drv_type {
183 	MLX5_FLOW_TYPE_MIN,
184 	MLX5_FLOW_TYPE_DV,
185 	MLX5_FLOW_TYPE_TCF,
186 	MLX5_FLOW_TYPE_VERBS,
187 	MLX5_FLOW_TYPE_MAX,
188 };
189 
190 /* Matcher PRM representation */
191 struct mlx5_flow_dv_match_params {
192 	size_t size;
193 	/**< Size of match value. Do NOT split size and key! */
194 	uint32_t buf[MLX5_ST_SZ_DW(fte_match_param)];
195 	/**< Matcher value. This value is used as the mask or as a key. */
196 };
197 
198 /* Matcher structure. */
199 struct mlx5_flow_dv_matcher {
200 	LIST_ENTRY(mlx5_flow_dv_matcher) next;
201 	/* Pointer to the next element. */
202 	rte_atomic32_t refcnt; /**< Reference counter. */
203 	void *matcher_object; /**< Pointer to DV matcher */
204 	uint16_t crc; /**< CRC of key. */
205 	uint16_t priority; /**< Priority of matcher. */
206 	uint8_t egress; /**< Egress matcher. */
207 	struct mlx5_flow_dv_match_params mask; /**< Matcher mask. */
208 };
209 
210 #define MLX5_ENCAP_MAX_LEN 132
211 
212 /* Encap/decap resource structure. */
213 struct mlx5_flow_dv_encap_decap_resource {
214 	LIST_ENTRY(mlx5_flow_dv_encap_decap_resource) next;
215 	/* Pointer to next element. */
216 	rte_atomic32_t refcnt; /**< Reference counter. */
217 	struct ibv_flow_action *verbs_action;
218 	/**< Verbs encap/decap action object. */
219 	uint8_t buf[MLX5_ENCAP_MAX_LEN];
220 	size_t size;
221 	uint8_t reformat_type;
222 	uint8_t ft_type;
223 };
224 
225 /* Number of modification commands. */
226 #define MLX5_MODIFY_NUM 8
227 
228 /* Modify resource structure */
229 struct mlx5_flow_dv_modify_hdr_resource {
230 	LIST_ENTRY(mlx5_flow_dv_modify_hdr_resource) next;
231 	/* Pointer to next element. */
232 	rte_atomic32_t refcnt; /**< Reference counter. */
233 	struct ibv_flow_action *verbs_action;
234 	/**< Verbs modify header action object. */
235 	uint8_t ft_type; /**< Flow table type, Rx or Tx. */
236 	uint32_t actions_num; /**< Number of modification actions. */
237 	struct mlx5_modification_cmd actions[MLX5_MODIFY_NUM];
238 	/**< Modification actions. */
239 };
240 
241 /*
242  * Max number of actions per DV flow.
243  * See CREATE_FLOW_MAX_FLOW_ACTIONS_SUPPORTED
244  * In rdma-core file providers/mlx5/verbs.c
245  */
246 #define MLX5_DV_MAX_NUMBER_OF_ACTIONS 8
247 
248 /* DV flows structure. */
249 struct mlx5_flow_dv {
250 	uint64_t hash_fields; /**< Fields that participate in the hash. */
251 	struct mlx5_hrxq *hrxq; /**< Hash Rx queues. */
252 	/* Flow DV api: */
253 	struct mlx5_flow_dv_matcher *matcher; /**< Cache to matcher. */
254 	struct mlx5_flow_dv_match_params value;
255 	/**< Holds the value that the packet is compared to. */
256 	struct mlx5_flow_dv_encap_decap_resource *encap_decap;
257 	/**< Pointer to encap/decap resource in cache. */
258 	struct mlx5_flow_dv_modify_hdr_resource *modify_hdr;
259 	/**< Pointer to modify header resource in cache. */
260 	struct ibv_flow *flow; /**< Installed flow. */
261 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
262 	struct mlx5dv_flow_action_attr actions[MLX5_DV_MAX_NUMBER_OF_ACTIONS];
263 	/**< Action list. */
264 #endif
265 	int actions_n; /**< number of actions. */
266 };
267 
268 /** Linux TC flower driver for E-Switch flow. */
269 struct mlx5_flow_tcf {
270 	struct nlmsghdr *nlh;
271 	struct tcmsg *tcm;
272 	uint32_t *ptc_flags; /**< tc rule applied flags. */
273 	union { /**< Tunnel encap/decap descriptor. */
274 		struct flow_tcf_tunnel_hdr *tunnel;
275 		struct flow_tcf_vxlan_decap *vxlan_decap;
276 		struct flow_tcf_vxlan_encap *vxlan_encap;
277 	};
278 	uint32_t applied:1; /**< Whether rule is currently applied. */
279 #ifndef NDEBUG
280 	uint32_t nlsize; /**< Size of NL message buffer for debug check. */
281 #endif
282 };
283 
284 /* Verbs specification header. */
285 struct ibv_spec_header {
286 	enum ibv_flow_spec_type type;
287 	uint16_t size;
288 };
289 
290 /** Handles information leading to a drop fate. */
291 struct mlx5_flow_verbs {
292 	LIST_ENTRY(mlx5_flow_verbs) next;
293 	unsigned int size; /**< Size of the attribute. */
294 	struct {
295 		struct ibv_flow_attr *attr;
296 		/**< Pointer to the Specification buffer. */
297 		uint8_t *specs; /**< Pointer to the specifications. */
298 	};
299 	struct ibv_flow *flow; /**< Verbs flow pointer. */
300 	struct mlx5_hrxq *hrxq; /**< Hash Rx queue object. */
301 	uint64_t hash_fields; /**< Verbs hash Rx queue hash fields. */
302 };
303 
304 /** Device flow structure. */
305 struct mlx5_flow {
306 	LIST_ENTRY(mlx5_flow) next;
307 	struct rte_flow *flow; /**< Pointer to the main flow. */
308 	uint64_t layers;
309 	/**< Bit-fields of present layers, see MLX5_FLOW_LAYER_*. */
310 	union {
311 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
312 		struct mlx5_flow_dv dv;
313 #endif
314 		struct mlx5_flow_tcf tcf;
315 		struct mlx5_flow_verbs verbs;
316 	};
317 };
318 
319 /* Counters information. */
320 struct mlx5_flow_counter {
321 	LIST_ENTRY(mlx5_flow_counter) next; /**< Pointer to the next counter. */
322 	uint32_t shared:1; /**< Share counter ID with other flow rules. */
323 	uint32_t ref_cnt:31; /**< Reference counter. */
324 	uint32_t id; /**< Counter ID. */
325 	union {  /**< Holds the counters for the rule. */
326 #if defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42)
327 		struct ibv_counter_set *cs;
328 #elif defined(HAVE_IBV_DEVICE_COUNTERS_SET_V45)
329 		struct ibv_counters *cs;
330 #endif
331 		struct mlx5_devx_counter_set *dcs;
332 	};
333 	uint64_t hits; /**< Number of packets matched by the rule. */
334 	uint64_t bytes; /**< Number of bytes matched by the rule. */
335 };
336 
337 /* Flow structure. */
338 struct rte_flow {
339 	TAILQ_ENTRY(rte_flow) next; /**< Pointer to the next flow structure. */
340 	enum mlx5_flow_drv_type drv_type; /**< Drvier type. */
341 	struct mlx5_flow_counter *counter; /**< Holds flow counter. */
342 	struct rte_flow_action_rss rss;/**< RSS context. */
343 	uint8_t key[MLX5_RSS_HASH_KEY_LEN]; /**< RSS hash key. */
344 	uint16_t (*queue)[]; /**< Destination queues to redirect traffic to. */
345 	LIST_HEAD(dev_flows, mlx5_flow) dev_flows;
346 	/**< Device flows that are part of the flow. */
347 	uint64_t actions;
348 	/**< Bit-fields of detected actions, see MLX5_FLOW_ACTION_*. */
349 	struct mlx5_fdir *fdir; /**< Pointer to associated FDIR if any. */
350 };
351 
352 typedef int (*mlx5_flow_validate_t)(struct rte_eth_dev *dev,
353 				    const struct rte_flow_attr *attr,
354 				    const struct rte_flow_item items[],
355 				    const struct rte_flow_action actions[],
356 				    struct rte_flow_error *error);
357 typedef struct mlx5_flow *(*mlx5_flow_prepare_t)
358 	(const struct rte_flow_attr *attr, const struct rte_flow_item items[],
359 	 const struct rte_flow_action actions[], struct rte_flow_error *error);
360 typedef int (*mlx5_flow_translate_t)(struct rte_eth_dev *dev,
361 				     struct mlx5_flow *dev_flow,
362 				     const struct rte_flow_attr *attr,
363 				     const struct rte_flow_item items[],
364 				     const struct rte_flow_action actions[],
365 				     struct rte_flow_error *error);
366 typedef int (*mlx5_flow_apply_t)(struct rte_eth_dev *dev, struct rte_flow *flow,
367 				 struct rte_flow_error *error);
368 typedef void (*mlx5_flow_remove_t)(struct rte_eth_dev *dev,
369 				   struct rte_flow *flow);
370 typedef void (*mlx5_flow_destroy_t)(struct rte_eth_dev *dev,
371 				    struct rte_flow *flow);
372 typedef int (*mlx5_flow_query_t)(struct rte_eth_dev *dev,
373 				 struct rte_flow *flow,
374 				 const struct rte_flow_action *actions,
375 				 void *data,
376 				 struct rte_flow_error *error);
377 struct mlx5_flow_driver_ops {
378 	mlx5_flow_validate_t validate;
379 	mlx5_flow_prepare_t prepare;
380 	mlx5_flow_translate_t translate;
381 	mlx5_flow_apply_t apply;
382 	mlx5_flow_remove_t remove;
383 	mlx5_flow_destroy_t destroy;
384 	mlx5_flow_query_t query;
385 };
386 
387 /* mlx5_flow.c */
388 
389 uint64_t mlx5_flow_hashfields_adjust(struct mlx5_flow *dev_flow, int tunnel,
390 				     uint64_t layer_types,
391 				     uint64_t hash_fields);
392 uint32_t mlx5_flow_adjust_priority(struct rte_eth_dev *dev, int32_t priority,
393 				   uint32_t subpriority);
394 int mlx5_flow_validate_action_count(struct rte_eth_dev *dev,
395 				    const struct rte_flow_attr *attr,
396 				    struct rte_flow_error *error);
397 int mlx5_flow_validate_action_drop(uint64_t action_flags,
398 				   const struct rte_flow_attr *attr,
399 				   struct rte_flow_error *error);
400 int mlx5_flow_validate_action_flag(uint64_t action_flags,
401 				   const struct rte_flow_attr *attr,
402 				   struct rte_flow_error *error);
403 int mlx5_flow_validate_action_mark(const struct rte_flow_action *action,
404 				   uint64_t action_flags,
405 				   const struct rte_flow_attr *attr,
406 				   struct rte_flow_error *error);
407 int mlx5_flow_validate_action_queue(const struct rte_flow_action *action,
408 				    uint64_t action_flags,
409 				    struct rte_eth_dev *dev,
410 				    const struct rte_flow_attr *attr,
411 				    struct rte_flow_error *error);
412 int mlx5_flow_validate_action_rss(const struct rte_flow_action *action,
413 				  uint64_t action_flags,
414 				  struct rte_eth_dev *dev,
415 				  const struct rte_flow_attr *attr,
416 				  struct rte_flow_error *error);
417 int mlx5_flow_validate_attributes(struct rte_eth_dev *dev,
418 				  const struct rte_flow_attr *attributes,
419 				  struct rte_flow_error *error);
420 int mlx5_flow_item_acceptable(const struct rte_flow_item *item,
421 			      const uint8_t *mask,
422 			      const uint8_t *nic_mask,
423 			      unsigned int size,
424 			      struct rte_flow_error *error);
425 int mlx5_flow_validate_item_eth(const struct rte_flow_item *item,
426 				uint64_t item_flags,
427 				struct rte_flow_error *error);
428 int mlx5_flow_validate_item_gre(const struct rte_flow_item *item,
429 				uint64_t item_flags,
430 				uint8_t target_protocol,
431 				struct rte_flow_error *error);
432 int mlx5_flow_validate_item_ipv4(const struct rte_flow_item *item,
433 				 uint64_t item_flags,
434 				 const struct rte_flow_item_ipv4 *acc_mask,
435 				 struct rte_flow_error *error);
436 int mlx5_flow_validate_item_ipv6(const struct rte_flow_item *item,
437 				 uint64_t item_flags,
438 				 const struct rte_flow_item_ipv6 *acc_mask,
439 				 struct rte_flow_error *error);
440 int mlx5_flow_validate_item_mpls(struct rte_eth_dev *dev,
441 				 const struct rte_flow_item *item,
442 				 uint64_t item_flags,
443 				 uint64_t prev_layer,
444 				 struct rte_flow_error *error);
445 int mlx5_flow_validate_item_tcp(const struct rte_flow_item *item,
446 				uint64_t item_flags,
447 				uint8_t target_protocol,
448 				const struct rte_flow_item_tcp *flow_mask,
449 				struct rte_flow_error *error);
450 int mlx5_flow_validate_item_udp(const struct rte_flow_item *item,
451 				uint64_t item_flags,
452 				uint8_t target_protocol,
453 				struct rte_flow_error *error);
454 int mlx5_flow_validate_item_vlan(const struct rte_flow_item *item,
455 				 uint64_t item_flags,
456 				 struct rte_flow_error *error);
457 int mlx5_flow_validate_item_vxlan(const struct rte_flow_item *item,
458 				  uint64_t item_flags,
459 				  struct rte_flow_error *error);
460 int mlx5_flow_validate_item_vxlan_gpe(const struct rte_flow_item *item,
461 				      uint64_t item_flags,
462 				      struct rte_eth_dev *dev,
463 				      struct rte_flow_error *error);
464 
465 /* mlx5_flow_tcf.c */
466 
467 int mlx5_flow_tcf_init(struct mlx5_flow_tcf_context *ctx,
468 		       unsigned int ifindex, struct rte_flow_error *error);
469 struct mlx5_flow_tcf_context *mlx5_flow_tcf_context_create(void);
470 void mlx5_flow_tcf_context_destroy(struct mlx5_flow_tcf_context *ctx);
471 
472 #endif /* RTE_PMD_MLX5_FLOW_H_ */
473