xref: /dpdk/drivers/net/mlx5/mlx5_flow.h (revision 03ab51eafda992874a48c392ca66ffb577fe2b71)
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 <stdalign.h>
9 #include <stdint.h>
10 #include <string.h>
11 #include <sys/queue.h>
12 
13 #include <rte_alarm.h>
14 #include <rte_mtr.h>
15 
16 #include <mlx5_glue.h>
17 #include <mlx5_prm.h>
18 
19 #include "mlx5.h"
20 
21 /* Private rte flow items. */
22 enum mlx5_rte_flow_item_type {
23 	MLX5_RTE_FLOW_ITEM_TYPE_END = INT_MIN,
24 	MLX5_RTE_FLOW_ITEM_TYPE_TAG,
25 	MLX5_RTE_FLOW_ITEM_TYPE_TX_QUEUE,
26 	MLX5_RTE_FLOW_ITEM_TYPE_VLAN,
27 	MLX5_RTE_FLOW_ITEM_TYPE_TUNNEL,
28 };
29 
30 /* Private (internal) rte flow actions. */
31 enum mlx5_rte_flow_action_type {
32 	MLX5_RTE_FLOW_ACTION_TYPE_END = INT_MIN,
33 	MLX5_RTE_FLOW_ACTION_TYPE_TAG,
34 	MLX5_RTE_FLOW_ACTION_TYPE_MARK,
35 	MLX5_RTE_FLOW_ACTION_TYPE_COPY_MREG,
36 	MLX5_RTE_FLOW_ACTION_TYPE_DEFAULT_MISS,
37 	MLX5_RTE_FLOW_ACTION_TYPE_TUNNEL_SET,
38 	MLX5_RTE_FLOW_ACTION_TYPE_AGE,
39 	MLX5_RTE_FLOW_ACTION_TYPE_COUNT,
40 	MLX5_RTE_FLOW_ACTION_TYPE_JUMP,
41 };
42 
43 #define MLX5_INDIRECT_ACTION_TYPE_OFFSET 30
44 
45 enum {
46 	MLX5_INDIRECT_ACTION_TYPE_RSS,
47 	MLX5_INDIRECT_ACTION_TYPE_AGE,
48 	MLX5_INDIRECT_ACTION_TYPE_COUNT,
49 	MLX5_INDIRECT_ACTION_TYPE_CT,
50 };
51 
52 /* Now, the maximal ports will be supported is 256, action number is 4M. */
53 #define MLX5_INDIRECT_ACT_CT_MAX_PORT 0x100
54 
55 #define MLX5_INDIRECT_ACT_CT_OWNER_SHIFT 22
56 #define MLX5_INDIRECT_ACT_CT_OWNER_MASK (MLX5_INDIRECT_ACT_CT_MAX_PORT - 1)
57 
58 /* 30-31: type, 22-29: owner port, 0-21: index. */
59 #define MLX5_INDIRECT_ACT_CT_GEN_IDX(owner, index) \
60 	((MLX5_INDIRECT_ACTION_TYPE_CT << MLX5_INDIRECT_ACTION_TYPE_OFFSET) | \
61 	 (((owner) & MLX5_INDIRECT_ACT_CT_OWNER_MASK) << \
62 	  MLX5_INDIRECT_ACT_CT_OWNER_SHIFT) | (index))
63 
64 #define MLX5_INDIRECT_ACT_CT_GET_OWNER(index) \
65 	(((index) >> MLX5_INDIRECT_ACT_CT_OWNER_SHIFT) & \
66 	 MLX5_INDIRECT_ACT_CT_OWNER_MASK)
67 
68 #define MLX5_INDIRECT_ACT_CT_GET_IDX(index) \
69 	((index) & ((1 << MLX5_INDIRECT_ACT_CT_OWNER_SHIFT) - 1))
70 
71 /* Matches on selected register. */
72 struct mlx5_rte_flow_item_tag {
73 	enum modify_reg id;
74 	uint32_t data;
75 };
76 
77 /* Modify selected register. */
78 struct mlx5_rte_flow_action_set_tag {
79 	enum modify_reg id;
80 	uint8_t offset;
81 	uint8_t length;
82 	uint32_t data;
83 };
84 
85 struct mlx5_flow_action_copy_mreg {
86 	enum modify_reg dst;
87 	enum modify_reg src;
88 };
89 
90 /* Matches on source queue. */
91 struct mlx5_rte_flow_item_tx_queue {
92 	uint32_t queue;
93 };
94 
95 /* Feature name to allocate metadata register. */
96 enum mlx5_feature_name {
97 	MLX5_HAIRPIN_RX,
98 	MLX5_HAIRPIN_TX,
99 	MLX5_METADATA_RX,
100 	MLX5_METADATA_TX,
101 	MLX5_METADATA_FDB,
102 	MLX5_FLOW_MARK,
103 	MLX5_APP_TAG,
104 	MLX5_COPY_MARK,
105 	MLX5_MTR_COLOR,
106 	MLX5_MTR_ID,
107 	MLX5_ASO_FLOW_HIT,
108 	MLX5_ASO_CONNTRACK,
109 };
110 
111 /* Default queue number. */
112 #define MLX5_RSSQ_DEFAULT_NUM 16
113 
114 #define MLX5_FLOW_LAYER_OUTER_L2 (1u << 0)
115 #define MLX5_FLOW_LAYER_OUTER_L3_IPV4 (1u << 1)
116 #define MLX5_FLOW_LAYER_OUTER_L3_IPV6 (1u << 2)
117 #define MLX5_FLOW_LAYER_OUTER_L4_UDP (1u << 3)
118 #define MLX5_FLOW_LAYER_OUTER_L4_TCP (1u << 4)
119 #define MLX5_FLOW_LAYER_OUTER_VLAN (1u << 5)
120 
121 /* Pattern inner Layer bits. */
122 #define MLX5_FLOW_LAYER_INNER_L2 (1u << 6)
123 #define MLX5_FLOW_LAYER_INNER_L3_IPV4 (1u << 7)
124 #define MLX5_FLOW_LAYER_INNER_L3_IPV6 (1u << 8)
125 #define MLX5_FLOW_LAYER_INNER_L4_UDP (1u << 9)
126 #define MLX5_FLOW_LAYER_INNER_L4_TCP (1u << 10)
127 #define MLX5_FLOW_LAYER_INNER_VLAN (1u << 11)
128 
129 /* Pattern tunnel Layer bits. */
130 #define MLX5_FLOW_LAYER_VXLAN (1u << 12)
131 #define MLX5_FLOW_LAYER_VXLAN_GPE (1u << 13)
132 #define MLX5_FLOW_LAYER_GRE (1u << 14)
133 #define MLX5_FLOW_LAYER_MPLS (1u << 15)
134 /* List of tunnel Layer bits continued below. */
135 
136 /* General pattern items bits. */
137 #define MLX5_FLOW_ITEM_METADATA (1u << 16)
138 #define MLX5_FLOW_ITEM_PORT_ID (1u << 17)
139 #define MLX5_FLOW_ITEM_TAG (1u << 18)
140 #define MLX5_FLOW_ITEM_MARK (1u << 19)
141 
142 /* Pattern MISC bits. */
143 #define MLX5_FLOW_LAYER_ICMP (1u << 20)
144 #define MLX5_FLOW_LAYER_ICMP6 (1u << 21)
145 #define MLX5_FLOW_LAYER_GRE_KEY (1u << 22)
146 
147 /* Pattern tunnel Layer bits (continued). */
148 #define MLX5_FLOW_LAYER_IPIP (1u << 23)
149 #define MLX5_FLOW_LAYER_IPV6_ENCAP (1u << 24)
150 #define MLX5_FLOW_LAYER_NVGRE (1u << 25)
151 #define MLX5_FLOW_LAYER_GENEVE (1u << 26)
152 
153 /* Queue items. */
154 #define MLX5_FLOW_ITEM_TX_QUEUE (1u << 27)
155 
156 /* Pattern tunnel Layer bits (continued). */
157 #define MLX5_FLOW_LAYER_GTP (1u << 28)
158 
159 /* Pattern eCPRI Layer bit. */
160 #define MLX5_FLOW_LAYER_ECPRI (UINT64_C(1) << 29)
161 
162 /* IPv6 Fragment Extension Header bit. */
163 #define MLX5_FLOW_LAYER_OUTER_L3_IPV6_FRAG_EXT (1u << 30)
164 #define MLX5_FLOW_LAYER_INNER_L3_IPV6_FRAG_EXT (1u << 31)
165 
166 /* Pattern tunnel Layer bits (continued). */
167 #define MLX5_FLOW_LAYER_GENEVE_OPT (UINT64_C(1) << 32)
168 #define MLX5_FLOW_LAYER_GTP_PSC (UINT64_C(1) << 33)
169 
170 /* INTEGRITY item bit */
171 #define MLX5_FLOW_ITEM_INTEGRITY (UINT64_C(1) << 34)
172 
173 /* Conntrack item. */
174 #define MLX5_FLOW_LAYER_ASO_CT (UINT64_C(1) << 35)
175 
176 /* Outer Masks. */
177 #define MLX5_FLOW_LAYER_OUTER_L3 \
178 	(MLX5_FLOW_LAYER_OUTER_L3_IPV4 | MLX5_FLOW_LAYER_OUTER_L3_IPV6)
179 #define MLX5_FLOW_LAYER_OUTER_L4 \
180 	(MLX5_FLOW_LAYER_OUTER_L4_UDP | MLX5_FLOW_LAYER_OUTER_L4_TCP)
181 #define MLX5_FLOW_LAYER_OUTER \
182 	(MLX5_FLOW_LAYER_OUTER_L2 | MLX5_FLOW_LAYER_OUTER_L3 | \
183 	 MLX5_FLOW_LAYER_OUTER_L4)
184 
185 /* Tunnel Masks. */
186 #define MLX5_FLOW_LAYER_TUNNEL \
187 	(MLX5_FLOW_LAYER_VXLAN | MLX5_FLOW_LAYER_VXLAN_GPE | \
188 	 MLX5_FLOW_LAYER_GRE | MLX5_FLOW_LAYER_NVGRE | MLX5_FLOW_LAYER_MPLS | \
189 	 MLX5_FLOW_LAYER_IPIP | MLX5_FLOW_LAYER_IPV6_ENCAP | \
190 	 MLX5_FLOW_LAYER_GENEVE | MLX5_FLOW_LAYER_GTP)
191 
192 /* Inner Masks. */
193 #define MLX5_FLOW_LAYER_INNER_L3 \
194 	(MLX5_FLOW_LAYER_INNER_L3_IPV4 | MLX5_FLOW_LAYER_INNER_L3_IPV6)
195 #define MLX5_FLOW_LAYER_INNER_L4 \
196 	(MLX5_FLOW_LAYER_INNER_L4_UDP | MLX5_FLOW_LAYER_INNER_L4_TCP)
197 #define MLX5_FLOW_LAYER_INNER \
198 	(MLX5_FLOW_LAYER_INNER_L2 | MLX5_FLOW_LAYER_INNER_L3 | \
199 	 MLX5_FLOW_LAYER_INNER_L4)
200 
201 /* Layer Masks. */
202 #define MLX5_FLOW_LAYER_L2 \
203 	(MLX5_FLOW_LAYER_OUTER_L2 | MLX5_FLOW_LAYER_INNER_L2)
204 #define MLX5_FLOW_LAYER_L3_IPV4 \
205 	(MLX5_FLOW_LAYER_OUTER_L3_IPV4 | MLX5_FLOW_LAYER_INNER_L3_IPV4)
206 #define MLX5_FLOW_LAYER_L3_IPV6 \
207 	(MLX5_FLOW_LAYER_OUTER_L3_IPV6 | MLX5_FLOW_LAYER_INNER_L3_IPV6)
208 #define MLX5_FLOW_LAYER_L3 \
209 	(MLX5_FLOW_LAYER_L3_IPV4 | MLX5_FLOW_LAYER_L3_IPV6)
210 #define MLX5_FLOW_LAYER_L4 \
211 	(MLX5_FLOW_LAYER_OUTER_L4 | MLX5_FLOW_LAYER_INNER_L4)
212 
213 /* Actions */
214 #define MLX5_FLOW_ACTION_DROP (1u << 0)
215 #define MLX5_FLOW_ACTION_QUEUE (1u << 1)
216 #define MLX5_FLOW_ACTION_RSS (1u << 2)
217 #define MLX5_FLOW_ACTION_FLAG (1u << 3)
218 #define MLX5_FLOW_ACTION_MARK (1u << 4)
219 #define MLX5_FLOW_ACTION_COUNT (1u << 5)
220 #define MLX5_FLOW_ACTION_PORT_ID (1u << 6)
221 #define MLX5_FLOW_ACTION_OF_POP_VLAN (1u << 7)
222 #define MLX5_FLOW_ACTION_OF_PUSH_VLAN (1u << 8)
223 #define MLX5_FLOW_ACTION_OF_SET_VLAN_VID (1u << 9)
224 #define MLX5_FLOW_ACTION_OF_SET_VLAN_PCP (1u << 10)
225 #define MLX5_FLOW_ACTION_SET_IPV4_SRC (1u << 11)
226 #define MLX5_FLOW_ACTION_SET_IPV4_DST (1u << 12)
227 #define MLX5_FLOW_ACTION_SET_IPV6_SRC (1u << 13)
228 #define MLX5_FLOW_ACTION_SET_IPV6_DST (1u << 14)
229 #define MLX5_FLOW_ACTION_SET_TP_SRC (1u << 15)
230 #define MLX5_FLOW_ACTION_SET_TP_DST (1u << 16)
231 #define MLX5_FLOW_ACTION_JUMP (1u << 17)
232 #define MLX5_FLOW_ACTION_SET_TTL (1u << 18)
233 #define MLX5_FLOW_ACTION_DEC_TTL (1u << 19)
234 #define MLX5_FLOW_ACTION_SET_MAC_SRC (1u << 20)
235 #define MLX5_FLOW_ACTION_SET_MAC_DST (1u << 21)
236 #define MLX5_FLOW_ACTION_ENCAP (1u << 22)
237 #define MLX5_FLOW_ACTION_DECAP (1u << 23)
238 #define MLX5_FLOW_ACTION_INC_TCP_SEQ (1u << 24)
239 #define MLX5_FLOW_ACTION_DEC_TCP_SEQ (1u << 25)
240 #define MLX5_FLOW_ACTION_INC_TCP_ACK (1u << 26)
241 #define MLX5_FLOW_ACTION_DEC_TCP_ACK (1u << 27)
242 #define MLX5_FLOW_ACTION_SET_TAG (1ull << 28)
243 #define MLX5_FLOW_ACTION_MARK_EXT (1ull << 29)
244 #define MLX5_FLOW_ACTION_SET_META (1ull << 30)
245 #define MLX5_FLOW_ACTION_METER (1ull << 31)
246 #define MLX5_FLOW_ACTION_SET_IPV4_DSCP (1ull << 32)
247 #define MLX5_FLOW_ACTION_SET_IPV6_DSCP (1ull << 33)
248 #define MLX5_FLOW_ACTION_AGE (1ull << 34)
249 #define MLX5_FLOW_ACTION_DEFAULT_MISS (1ull << 35)
250 #define MLX5_FLOW_ACTION_SAMPLE (1ull << 36)
251 #define MLX5_FLOW_ACTION_TUNNEL_SET (1ull << 37)
252 #define MLX5_FLOW_ACTION_TUNNEL_MATCH (1ull << 38)
253 #define MLX5_FLOW_ACTION_MODIFY_FIELD (1ull << 39)
254 #define MLX5_FLOW_ACTION_METER_WITH_TERMINATED_POLICY (1ull << 40)
255 #define MLX5_FLOW_ACTION_CT (1ull << 41)
256 
257 #define MLX5_FLOW_FATE_ACTIONS \
258 	(MLX5_FLOW_ACTION_DROP | MLX5_FLOW_ACTION_QUEUE | \
259 	 MLX5_FLOW_ACTION_RSS | MLX5_FLOW_ACTION_JUMP | \
260 	 MLX5_FLOW_ACTION_DEFAULT_MISS | \
261 	 MLX5_FLOW_ACTION_METER_WITH_TERMINATED_POLICY)
262 
263 #define MLX5_FLOW_FATE_ESWITCH_ACTIONS \
264 	(MLX5_FLOW_ACTION_DROP | MLX5_FLOW_ACTION_PORT_ID | \
265 	 MLX5_FLOW_ACTION_JUMP | MLX5_FLOW_ACTION_METER_WITH_TERMINATED_POLICY)
266 
267 #define MLX5_FLOW_MODIFY_HDR_ACTIONS (MLX5_FLOW_ACTION_SET_IPV4_SRC | \
268 				      MLX5_FLOW_ACTION_SET_IPV4_DST | \
269 				      MLX5_FLOW_ACTION_SET_IPV6_SRC | \
270 				      MLX5_FLOW_ACTION_SET_IPV6_DST | \
271 				      MLX5_FLOW_ACTION_SET_TP_SRC | \
272 				      MLX5_FLOW_ACTION_SET_TP_DST | \
273 				      MLX5_FLOW_ACTION_SET_TTL | \
274 				      MLX5_FLOW_ACTION_DEC_TTL | \
275 				      MLX5_FLOW_ACTION_SET_MAC_SRC | \
276 				      MLX5_FLOW_ACTION_SET_MAC_DST | \
277 				      MLX5_FLOW_ACTION_INC_TCP_SEQ | \
278 				      MLX5_FLOW_ACTION_DEC_TCP_SEQ | \
279 				      MLX5_FLOW_ACTION_INC_TCP_ACK | \
280 				      MLX5_FLOW_ACTION_DEC_TCP_ACK | \
281 				      MLX5_FLOW_ACTION_OF_SET_VLAN_VID | \
282 				      MLX5_FLOW_ACTION_SET_TAG | \
283 				      MLX5_FLOW_ACTION_MARK_EXT | \
284 				      MLX5_FLOW_ACTION_SET_META | \
285 				      MLX5_FLOW_ACTION_SET_IPV4_DSCP | \
286 				      MLX5_FLOW_ACTION_SET_IPV6_DSCP | \
287 				      MLX5_FLOW_ACTION_MODIFY_FIELD)
288 
289 #define MLX5_FLOW_VLAN_ACTIONS (MLX5_FLOW_ACTION_OF_POP_VLAN | \
290 				MLX5_FLOW_ACTION_OF_PUSH_VLAN)
291 
292 #define MLX5_FLOW_XCAP_ACTIONS (MLX5_FLOW_ACTION_ENCAP | MLX5_FLOW_ACTION_DECAP)
293 
294 #ifndef IPPROTO_MPLS
295 #define IPPROTO_MPLS 137
296 #endif
297 
298 /* UDP port number for MPLS */
299 #define MLX5_UDP_PORT_MPLS 6635
300 
301 /* UDP port numbers for VxLAN. */
302 #define MLX5_UDP_PORT_VXLAN 4789
303 #define MLX5_UDP_PORT_VXLAN_GPE 4790
304 
305 /* UDP port numbers for GENEVE. */
306 #define MLX5_UDP_PORT_GENEVE 6081
307 
308 /* Lowest priority indicator. */
309 #define MLX5_FLOW_LOWEST_PRIO_INDICATOR ((uint32_t)-1)
310 
311 /*
312  * Max priority for ingress\egress flow groups
313  * greater than 0 and for any transfer flow group.
314  * From user configation: 0 - 21843.
315  */
316 #define MLX5_NON_ROOT_FLOW_MAX_PRIO	(21843 + 1)
317 
318 /*
319  * Number of sub priorities.
320  * For each kind of pattern matching i.e. L2, L3, L4 to have a correct
321  * matching on the NIC (firmware dependent) L4 most have the higher priority
322  * followed by L3 and ending with L2.
323  */
324 #define MLX5_PRIORITY_MAP_L2 2
325 #define MLX5_PRIORITY_MAP_L3 1
326 #define MLX5_PRIORITY_MAP_L4 0
327 #define MLX5_PRIORITY_MAP_MAX 3
328 
329 /* Valid layer type for IPV4 RSS. */
330 #define MLX5_IPV4_LAYER_TYPES \
331 	(ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 | \
332 	 ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_NONFRAG_IPV4_UDP | \
333 	 ETH_RSS_NONFRAG_IPV4_OTHER)
334 
335 /* IBV hash source bits  for IPV4. */
336 #define MLX5_IPV4_IBV_RX_HASH (IBV_RX_HASH_SRC_IPV4 | IBV_RX_HASH_DST_IPV4)
337 
338 /* Valid layer type for IPV6 RSS. */
339 #define MLX5_IPV6_LAYER_TYPES \
340 	(ETH_RSS_IPV6 | ETH_RSS_FRAG_IPV6 | ETH_RSS_NONFRAG_IPV6_TCP | \
341 	 ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_IPV6_EX  | ETH_RSS_IPV6_TCP_EX | \
342 	 ETH_RSS_IPV6_UDP_EX | ETH_RSS_NONFRAG_IPV6_OTHER)
343 
344 /* IBV hash source bits  for IPV6. */
345 #define MLX5_IPV6_IBV_RX_HASH (IBV_RX_HASH_SRC_IPV6 | IBV_RX_HASH_DST_IPV6)
346 
347 /* IBV hash bits for L3 SRC. */
348 #define MLX5_L3_SRC_IBV_RX_HASH (IBV_RX_HASH_SRC_IPV4 | IBV_RX_HASH_SRC_IPV6)
349 
350 /* IBV hash bits for L3 DST. */
351 #define MLX5_L3_DST_IBV_RX_HASH (IBV_RX_HASH_DST_IPV4 | IBV_RX_HASH_DST_IPV6)
352 
353 /* IBV hash bits for TCP. */
354 #define MLX5_TCP_IBV_RX_HASH (IBV_RX_HASH_SRC_PORT_TCP | \
355 			      IBV_RX_HASH_DST_PORT_TCP)
356 
357 /* IBV hash bits for UDP. */
358 #define MLX5_UDP_IBV_RX_HASH (IBV_RX_HASH_SRC_PORT_UDP | \
359 			      IBV_RX_HASH_DST_PORT_UDP)
360 
361 /* IBV hash bits for L4 SRC. */
362 #define MLX5_L4_SRC_IBV_RX_HASH (IBV_RX_HASH_SRC_PORT_TCP | \
363 				 IBV_RX_HASH_SRC_PORT_UDP)
364 
365 /* IBV hash bits for L4 DST. */
366 #define MLX5_L4_DST_IBV_RX_HASH (IBV_RX_HASH_DST_PORT_TCP | \
367 				 IBV_RX_HASH_DST_PORT_UDP)
368 
369 /* Geneve header first 16Bit */
370 #define MLX5_GENEVE_VER_MASK 0x3
371 #define MLX5_GENEVE_VER_SHIFT 14
372 #define MLX5_GENEVE_VER_VAL(a) \
373 		(((a) >> (MLX5_GENEVE_VER_SHIFT)) & (MLX5_GENEVE_VER_MASK))
374 #define MLX5_GENEVE_OPTLEN_MASK 0x3F
375 #define MLX5_GENEVE_OPTLEN_SHIFT 8
376 #define MLX5_GENEVE_OPTLEN_VAL(a) \
377 	    (((a) >> (MLX5_GENEVE_OPTLEN_SHIFT)) & (MLX5_GENEVE_OPTLEN_MASK))
378 #define MLX5_GENEVE_OAMF_MASK 0x1
379 #define MLX5_GENEVE_OAMF_SHIFT 7
380 #define MLX5_GENEVE_OAMF_VAL(a) \
381 		(((a) >> (MLX5_GENEVE_OAMF_SHIFT)) & (MLX5_GENEVE_OAMF_MASK))
382 #define MLX5_GENEVE_CRITO_MASK 0x1
383 #define MLX5_GENEVE_CRITO_SHIFT 6
384 #define MLX5_GENEVE_CRITO_VAL(a) \
385 		(((a) >> (MLX5_GENEVE_CRITO_SHIFT)) & (MLX5_GENEVE_CRITO_MASK))
386 #define MLX5_GENEVE_RSVD_MASK 0x3F
387 #define MLX5_GENEVE_RSVD_VAL(a) ((a) & (MLX5_GENEVE_RSVD_MASK))
388 /*
389  * The length of the Geneve options fields, expressed in four byte multiples,
390  * not including the eight byte fixed tunnel.
391  */
392 #define MLX5_GENEVE_OPT_LEN_0 14
393 #define MLX5_GENEVE_OPT_LEN_1 63
394 
395 #define MLX5_ENCAPSULATION_DECISION_SIZE (sizeof(struct rte_ether_hdr) + \
396 					  sizeof(struct rte_ipv4_hdr))
397 /* GTP extension header flag. */
398 #define MLX5_GTP_EXT_HEADER_FLAG 4
399 
400 /* GTP extension header PDU type shift. */
401 #define MLX5_GTP_PDU_TYPE_SHIFT(a) ((a) << 4)
402 
403 /* IPv4 fragment_offset field contains relevant data in bits 2 to 15. */
404 #define MLX5_IPV4_FRAG_OFFSET_MASK \
405 		(RTE_IPV4_HDR_OFFSET_MASK | RTE_IPV4_HDR_MF_FLAG)
406 
407 /* Specific item's fields can accept a range of values (using spec and last). */
408 #define MLX5_ITEM_RANGE_NOT_ACCEPTED	false
409 #define MLX5_ITEM_RANGE_ACCEPTED	true
410 
411 /* Software header modify action numbers of a flow. */
412 #define MLX5_ACT_NUM_MDF_IPV4		1
413 #define MLX5_ACT_NUM_MDF_IPV6		4
414 #define MLX5_ACT_NUM_MDF_MAC		2
415 #define MLX5_ACT_NUM_MDF_VID		1
416 #define MLX5_ACT_NUM_MDF_PORT		2
417 #define MLX5_ACT_NUM_MDF_TTL		1
418 #define MLX5_ACT_NUM_DEC_TTL		MLX5_ACT_NUM_MDF_TTL
419 #define MLX5_ACT_NUM_MDF_TCPSEQ		1
420 #define MLX5_ACT_NUM_MDF_TCPACK		1
421 #define MLX5_ACT_NUM_SET_REG		1
422 #define MLX5_ACT_NUM_SET_TAG		1
423 #define MLX5_ACT_NUM_CPY_MREG		MLX5_ACT_NUM_SET_TAG
424 #define MLX5_ACT_NUM_SET_MARK		MLX5_ACT_NUM_SET_TAG
425 #define MLX5_ACT_NUM_SET_META		MLX5_ACT_NUM_SET_TAG
426 #define MLX5_ACT_NUM_SET_DSCP		1
427 
428 /* Maximum number of fields to modify in MODIFY_FIELD */
429 #define MLX5_ACT_MAX_MOD_FIELDS 5
430 
431 /* Syndrome bits definition for connection tracking. */
432 #define MLX5_CT_SYNDROME_VALID		(0x0 << 6)
433 #define MLX5_CT_SYNDROME_INVALID	(0x1 << 6)
434 #define MLX5_CT_SYNDROME_TRAP		(0x2 << 6)
435 #define MLX5_CT_SYNDROME_STATE_CHANGE	(0x1 << 1)
436 #define MLX5_CT_SYNDROME_BAD_PACKET	(0x1 << 0)
437 
438 enum mlx5_flow_drv_type {
439 	MLX5_FLOW_TYPE_MIN,
440 	MLX5_FLOW_TYPE_DV,
441 	MLX5_FLOW_TYPE_VERBS,
442 	MLX5_FLOW_TYPE_MAX,
443 };
444 
445 /* Fate action type. */
446 enum mlx5_flow_fate_type {
447 	MLX5_FLOW_FATE_NONE, /* Egress flow. */
448 	MLX5_FLOW_FATE_QUEUE,
449 	MLX5_FLOW_FATE_JUMP,
450 	MLX5_FLOW_FATE_PORT_ID,
451 	MLX5_FLOW_FATE_DROP,
452 	MLX5_FLOW_FATE_DEFAULT_MISS,
453 	MLX5_FLOW_FATE_SHARED_RSS,
454 	MLX5_FLOW_FATE_MTR,
455 	MLX5_FLOW_FATE_MAX,
456 };
457 
458 /* Matcher PRM representation */
459 struct mlx5_flow_dv_match_params {
460 	size_t size;
461 	/**< Size of match value. Do NOT split size and key! */
462 	uint32_t buf[MLX5_ST_SZ_DW(fte_match_param)];
463 	/**< Matcher value. This value is used as the mask or as a key. */
464 };
465 
466 /* Matcher structure. */
467 struct mlx5_flow_dv_matcher {
468 	struct mlx5_list_entry entry; /**< Pointer to the next element. */
469 	struct mlx5_flow_tbl_resource *tbl;
470 	/**< Pointer to the table(group) the matcher associated with. */
471 	void *matcher_object; /**< Pointer to DV matcher */
472 	uint16_t crc; /**< CRC of key. */
473 	uint16_t priority; /**< Priority of matcher. */
474 	struct mlx5_flow_dv_match_params mask; /**< Matcher mask. */
475 };
476 
477 #define MLX5_ENCAP_MAX_LEN 132
478 
479 /* Encap/decap resource structure. */
480 struct mlx5_flow_dv_encap_decap_resource {
481 	struct mlx5_list_entry entry;
482 	/* Pointer to next element. */
483 	uint32_t refcnt; /**< Reference counter. */
484 	void *action;
485 	/**< Encap/decap action object. */
486 	uint8_t buf[MLX5_ENCAP_MAX_LEN];
487 	size_t size;
488 	uint8_t reformat_type;
489 	uint8_t ft_type;
490 	uint64_t flags; /**< Flags for RDMA API. */
491 	uint32_t idx; /**< Index for the index memory pool. */
492 };
493 
494 /* Tag resource structure. */
495 struct mlx5_flow_dv_tag_resource {
496 	struct mlx5_list_entry entry;
497 	/**< hash list entry for tag resource, tag value as the key. */
498 	void *action;
499 	/**< Tag action object. */
500 	uint32_t refcnt; /**< Reference counter. */
501 	uint32_t idx; /**< Index for the index memory pool. */
502 	uint32_t tag_id; /**< Tag ID. */
503 };
504 
505 /* Modify resource structure */
506 struct mlx5_flow_dv_modify_hdr_resource {
507 	struct mlx5_list_entry entry;
508 	void *action; /**< Modify header action object. */
509 	uint32_t idx;
510 	/* Key area for hash list matching: */
511 	uint8_t ft_type; /**< Flow table type, Rx or Tx. */
512 	uint8_t actions_num; /**< Number of modification actions. */
513 	bool root; /**< Whether action is in root table. */
514 	struct mlx5_modification_cmd actions[];
515 	/**< Modification actions. */
516 } __rte_packed;
517 
518 /* Modify resource key of the hash organization. */
519 union mlx5_flow_modify_hdr_key {
520 	struct {
521 		uint32_t ft_type:8;	/**< Flow table type, Rx or Tx. */
522 		uint32_t actions_num:5;	/**< Number of modification actions. */
523 		uint32_t group:19;	/**< Flow group id. */
524 		uint32_t cksum;		/**< Actions check sum. */
525 	};
526 	uint64_t v64;			/**< full 64bits value of key */
527 };
528 
529 /* Jump action resource structure. */
530 struct mlx5_flow_dv_jump_tbl_resource {
531 	void *action; /**< Pointer to the rdma core action. */
532 };
533 
534 /* Port ID resource structure. */
535 struct mlx5_flow_dv_port_id_action_resource {
536 	struct mlx5_list_entry entry;
537 	void *action; /**< Action object. */
538 	uint32_t port_id; /**< Port ID value. */
539 	uint32_t idx; /**< Indexed pool memory index. */
540 };
541 
542 /* Push VLAN action resource structure */
543 struct mlx5_flow_dv_push_vlan_action_resource {
544 	struct mlx5_list_entry entry; /* Cache entry. */
545 	void *action; /**< Action object. */
546 	uint8_t ft_type; /**< Flow table type, Rx, Tx or FDB. */
547 	rte_be32_t vlan_tag; /**< VLAN tag value. */
548 	uint32_t idx; /**< Indexed pool memory index. */
549 };
550 
551 /* Metadata register copy table entry. */
552 struct mlx5_flow_mreg_copy_resource {
553 	/*
554 	 * Hash list entry for copy table.
555 	 *  - Key is 32/64-bit MARK action ID.
556 	 *  - MUST be the first entry.
557 	 */
558 	struct mlx5_list_entry hlist_ent;
559 	LIST_ENTRY(mlx5_flow_mreg_copy_resource) next;
560 	/* List entry for device flows. */
561 	uint32_t idx;
562 	uint32_t rix_flow; /* Built flow for copy. */
563 	uint32_t mark_id;
564 };
565 
566 /* Table tunnel parameter. */
567 struct mlx5_flow_tbl_tunnel_prm {
568 	const struct mlx5_flow_tunnel *tunnel;
569 	uint32_t group_id;
570 	bool external;
571 };
572 
573 /* Table data structure of the hash organization. */
574 struct mlx5_flow_tbl_data_entry {
575 	struct mlx5_list_entry entry;
576 	/**< hash list entry, 64-bits key inside. */
577 	struct mlx5_flow_tbl_resource tbl;
578 	/**< flow table resource. */
579 	struct mlx5_list *matchers;
580 	/**< matchers' header associated with the flow table. */
581 	struct mlx5_flow_dv_jump_tbl_resource jump;
582 	/**< jump resource, at most one for each table created. */
583 	uint32_t idx; /**< index for the indexed mempool. */
584 	/**< tunnel offload */
585 	const struct mlx5_flow_tunnel *tunnel;
586 	uint32_t group_id;
587 	uint32_t external:1;
588 	uint32_t tunnel_offload:1; /* Tunnel offlod table or not. */
589 	uint32_t is_egress:1; /**< Egress table. */
590 	uint32_t is_transfer:1; /**< Transfer table. */
591 	uint32_t dummy:1; /**<  DR table. */
592 	uint32_t id:22; /**< Table ID. */
593 	uint32_t reserve:5; /**< Reserved to future using. */
594 	uint32_t level; /**< Table level. */
595 };
596 
597 /* Sub rdma-core actions list. */
598 struct mlx5_flow_sub_actions_list {
599 	uint32_t actions_num; /**< Number of sample actions. */
600 	uint64_t action_flags;
601 	void *dr_queue_action;
602 	void *dr_tag_action;
603 	void *dr_cnt_action;
604 	void *dr_port_id_action;
605 	void *dr_encap_action;
606 	void *dr_jump_action;
607 };
608 
609 /* Sample sub-actions resource list. */
610 struct mlx5_flow_sub_actions_idx {
611 	uint32_t rix_hrxq; /**< Hash Rx queue object index. */
612 	uint32_t rix_tag; /**< Index to the tag action. */
613 	uint32_t rix_port_id_action; /**< Index to port ID action resource. */
614 	uint32_t rix_encap_decap; /**< Index to encap/decap resource. */
615 	uint32_t rix_jump; /**< Index to the jump action resource. */
616 };
617 
618 /* Sample action resource structure. */
619 struct mlx5_flow_dv_sample_resource {
620 	struct mlx5_list_entry entry; /**< Cache entry. */
621 	union {
622 		void *verbs_action; /**< Verbs sample action object. */
623 		void **sub_actions; /**< Sample sub-action array. */
624 	};
625 	struct rte_eth_dev *dev; /**< Device registers the action. */
626 	uint32_t idx; /** Sample object index. */
627 	uint8_t ft_type; /** Flow Table Type */
628 	uint32_t ft_id; /** Flow Table Level */
629 	uint32_t ratio;   /** Sample Ratio */
630 	uint64_t set_action; /** Restore reg_c0 value */
631 	void *normal_path_tbl; /** Flow Table pointer */
632 	struct mlx5_flow_sub_actions_idx sample_idx;
633 	/**< Action index resources. */
634 	struct mlx5_flow_sub_actions_list sample_act;
635 	/**< Action resources. */
636 };
637 
638 #define MLX5_MAX_DEST_NUM	2
639 
640 /* Destination array action resource structure. */
641 struct mlx5_flow_dv_dest_array_resource {
642 	struct mlx5_list_entry entry; /**< Cache entry. */
643 	uint32_t idx; /** Destination array action object index. */
644 	uint8_t ft_type; /** Flow Table Type */
645 	uint8_t num_of_dest; /**< Number of destination actions. */
646 	struct rte_eth_dev *dev; /**< Device registers the action. */
647 	void *action; /**< Pointer to the rdma core action. */
648 	struct mlx5_flow_sub_actions_idx sample_idx[MLX5_MAX_DEST_NUM];
649 	/**< Action index resources. */
650 	struct mlx5_flow_sub_actions_list sample_act[MLX5_MAX_DEST_NUM];
651 	/**< Action resources. */
652 };
653 
654 /* PMD flow priority for tunnel */
655 #define MLX5_TUNNEL_PRIO_GET(rss_desc) \
656 	((rss_desc)->level >= 2 ? MLX5_PRIORITY_MAP_L2 : MLX5_PRIORITY_MAP_L4)
657 
658 
659 /** Device flow handle structure for DV mode only. */
660 struct mlx5_flow_handle_dv {
661 	/* Flow DV api: */
662 	struct mlx5_flow_dv_matcher *matcher; /**< Cache to matcher. */
663 	struct mlx5_flow_dv_modify_hdr_resource *modify_hdr;
664 	/**< Pointer to modify header resource in cache. */
665 	uint32_t rix_encap_decap;
666 	/**< Index to encap/decap resource in cache. */
667 	uint32_t rix_push_vlan;
668 	/**< Index to push VLAN action resource in cache. */
669 	uint32_t rix_tag;
670 	/**< Index to the tag action. */
671 	uint32_t rix_sample;
672 	/**< Index to sample action resource in cache. */
673 	uint32_t rix_dest_array;
674 	/**< Index to destination array resource in cache. */
675 } __rte_packed;
676 
677 /** Device flow handle structure: used both for creating & destroying. */
678 struct mlx5_flow_handle {
679 	SILIST_ENTRY(uint32_t)next;
680 	struct mlx5_vf_vlan vf_vlan; /**< Structure for VF VLAN workaround. */
681 	/**< Index to next device flow handle. */
682 	uint64_t layers;
683 	/**< Bit-fields of present layers, see MLX5_FLOW_LAYER_*. */
684 	void *drv_flow; /**< pointer to driver flow object. */
685 	uint32_t split_flow_id:27; /**< Sub flow unique match flow id. */
686 	uint32_t is_meter_flow_id:1; /**< Indate if flow_id is for meter. */
687 	uint32_t mark:1; /**< Metadate rxq mark flag. */
688 	uint32_t fate_action:3; /**< Fate action type. */
689 	union {
690 		uint32_t rix_hrxq; /**< Hash Rx queue object index. */
691 		uint32_t rix_jump; /**< Index to the jump action resource. */
692 		uint32_t rix_port_id_action;
693 		/**< Index to port ID action resource. */
694 		uint32_t rix_fate;
695 		/**< Generic value indicates the fate action. */
696 		uint32_t rix_default_fate;
697 		/**< Indicates default miss fate action. */
698 		uint32_t rix_srss;
699 		/**< Indicates shared RSS fate action. */
700 	};
701 #if defined(HAVE_IBV_FLOW_DV_SUPPORT) || !defined(HAVE_INFINIBAND_VERBS_H)
702 	struct mlx5_flow_handle_dv dvh;
703 #endif
704 } __rte_packed;
705 
706 /*
707  * Size for Verbs device flow handle structure only. Do not use the DV only
708  * structure in Verbs. No DV flows attributes will be accessed.
709  * Macro offsetof() could also be used here.
710  */
711 #if defined(HAVE_IBV_FLOW_DV_SUPPORT) || !defined(HAVE_INFINIBAND_VERBS_H)
712 #define MLX5_FLOW_HANDLE_VERBS_SIZE \
713 	(sizeof(struct mlx5_flow_handle) - sizeof(struct mlx5_flow_handle_dv))
714 #else
715 #define MLX5_FLOW_HANDLE_VERBS_SIZE (sizeof(struct mlx5_flow_handle))
716 #endif
717 
718 /** Device flow structure only for DV flow creation. */
719 struct mlx5_flow_dv_workspace {
720 	uint32_t group; /**< The group index. */
721 	uint32_t table_id; /**< Flow table identifier. */
722 	uint8_t transfer; /**< 1 if the flow is E-Switch flow. */
723 	int actions_n; /**< number of actions. */
724 	void *actions[MLX5_DV_MAX_NUMBER_OF_ACTIONS]; /**< Action list. */
725 	struct mlx5_flow_dv_encap_decap_resource *encap_decap;
726 	/**< Pointer to encap/decap resource in cache. */
727 	struct mlx5_flow_dv_push_vlan_action_resource *push_vlan_res;
728 	/**< Pointer to push VLAN action resource in cache. */
729 	struct mlx5_flow_dv_tag_resource *tag_resource;
730 	/**< pointer to the tag action. */
731 	struct mlx5_flow_dv_port_id_action_resource *port_id_action;
732 	/**< Pointer to port ID action resource. */
733 	struct mlx5_flow_dv_jump_tbl_resource *jump;
734 	/**< Pointer to the jump action resource. */
735 	struct mlx5_flow_dv_match_params value;
736 	/**< Holds the value that the packet is compared to. */
737 	struct mlx5_flow_dv_sample_resource *sample_res;
738 	/**< Pointer to the sample action resource. */
739 	struct mlx5_flow_dv_dest_array_resource *dest_array_res;
740 	/**< Pointer to the destination array resource. */
741 };
742 
743 #ifdef HAVE_INFINIBAND_VERBS_H
744 /*
745  * Maximal Verbs flow specifications & actions size.
746  * Some elements are mutually exclusive, but enough space should be allocated.
747  * Tunnel cases: 1. Max 2 Ethernet + IP(v6 len > v4 len) + TCP/UDP headers.
748  *               2. One tunnel header (exception: GRE + MPLS),
749  *                  SPEC length: GRE == tunnel.
750  * Actions: 1. 1 Mark OR Flag.
751  *          2. 1 Drop (if any).
752  *          3. No limitation for counters, but it makes no sense to support too
753  *             many counters in a single device flow.
754  */
755 #ifdef HAVE_IBV_DEVICE_MPLS_SUPPORT
756 #define MLX5_VERBS_MAX_SPEC_SIZE \
757 		( \
758 			(2 * (sizeof(struct ibv_flow_spec_eth) + \
759 			      sizeof(struct ibv_flow_spec_ipv6) + \
760 			      sizeof(struct ibv_flow_spec_tcp_udp)) + \
761 			sizeof(struct ibv_flow_spec_gre) + \
762 			sizeof(struct ibv_flow_spec_mpls)) \
763 		)
764 #else
765 #define MLX5_VERBS_MAX_SPEC_SIZE \
766 		( \
767 			(2 * (sizeof(struct ibv_flow_spec_eth) + \
768 			      sizeof(struct ibv_flow_spec_ipv6) + \
769 			      sizeof(struct ibv_flow_spec_tcp_udp)) + \
770 			sizeof(struct ibv_flow_spec_tunnel)) \
771 		)
772 #endif
773 
774 #if defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42) || \
775 	defined(HAVE_IBV_DEVICE_COUNTERS_SET_V45)
776 #define MLX5_VERBS_MAX_ACT_SIZE \
777 		( \
778 			sizeof(struct ibv_flow_spec_action_tag) + \
779 			sizeof(struct ibv_flow_spec_action_drop) + \
780 			sizeof(struct ibv_flow_spec_counter_action) * 4 \
781 		)
782 #else
783 #define MLX5_VERBS_MAX_ACT_SIZE \
784 		( \
785 			sizeof(struct ibv_flow_spec_action_tag) + \
786 			sizeof(struct ibv_flow_spec_action_drop) \
787 		)
788 #endif
789 
790 #define MLX5_VERBS_MAX_SPEC_ACT_SIZE \
791 		(MLX5_VERBS_MAX_SPEC_SIZE + MLX5_VERBS_MAX_ACT_SIZE)
792 
793 /** Device flow structure only for Verbs flow creation. */
794 struct mlx5_flow_verbs_workspace {
795 	unsigned int size; /**< Size of the attribute. */
796 	struct ibv_flow_attr attr; /**< Verbs flow attribute buffer. */
797 	uint8_t specs[MLX5_VERBS_MAX_SPEC_ACT_SIZE];
798 	/**< Specifications & actions buffer of verbs flow. */
799 };
800 #endif /* HAVE_INFINIBAND_VERBS_H */
801 
802 #define MLX5_SCALE_FLOW_GROUP_BIT 0
803 #define MLX5_SCALE_JUMP_FLOW_GROUP_BIT 1
804 
805 /** Maximal number of device sub-flows supported. */
806 #define MLX5_NUM_MAX_DEV_FLOWS 32
807 
808 /**
809  * tunnel offload rules type
810  */
811 enum mlx5_tof_rule_type {
812 	MLX5_TUNNEL_OFFLOAD_NONE = 0,
813 	MLX5_TUNNEL_OFFLOAD_SET_RULE,
814 	MLX5_TUNNEL_OFFLOAD_MATCH_RULE,
815 	MLX5_TUNNEL_OFFLOAD_MISS_RULE,
816 };
817 
818 /** Device flow structure. */
819 __extension__
820 struct mlx5_flow {
821 	struct rte_flow *flow; /**< Pointer to the main flow. */
822 	uint32_t flow_idx; /**< The memory pool index to the main flow. */
823 	uint64_t hash_fields; /**< Hash Rx queue hash fields. */
824 	uint64_t act_flags;
825 	/**< Bit-fields of detected actions, see MLX5_FLOW_ACTION_*. */
826 	bool external; /**< true if the flow is created external to PMD. */
827 	uint8_t ingress:1; /**< 1 if the flow is ingress. */
828 	uint8_t skip_scale:2;
829 	/**
830 	 * Each Bit be set to 1 if Skip the scale the flow group with factor.
831 	 * If bit0 be set to 1, then skip the scale the original flow group;
832 	 * If bit1 be set to 1, then skip the scale the jump flow group if
833 	 * having jump action.
834 	 * 00: Enable scale in a flow, default value.
835 	 * 01: Skip scale the flow group with factor, enable scale the group
836 	 * of jump action.
837 	 * 10: Enable scale the group with factor, skip scale the group of
838 	 * jump action.
839 	 * 11: Skip scale the table with factor both for flow group and jump
840 	 * group.
841 	 */
842 	union {
843 #if defined(HAVE_IBV_FLOW_DV_SUPPORT) || !defined(HAVE_INFINIBAND_VERBS_H)
844 		struct mlx5_flow_dv_workspace dv;
845 #endif
846 #ifdef HAVE_INFINIBAND_VERBS_H
847 		struct mlx5_flow_verbs_workspace verbs;
848 #endif
849 	};
850 	struct mlx5_flow_handle *handle;
851 	uint32_t handle_idx; /* Index of the mlx5 flow handle memory. */
852 	const struct mlx5_flow_tunnel *tunnel;
853 	enum mlx5_tof_rule_type tof_type;
854 };
855 
856 /* Flow meter state. */
857 #define MLX5_FLOW_METER_DISABLE 0
858 #define MLX5_FLOW_METER_ENABLE 1
859 
860 #define MLX5_ASO_WQE_CQE_RESPONSE_DELAY 10u
861 #define MLX5_MTR_POLL_WQE_CQE_TIMES 100000u
862 
863 #define MLX5_CT_POLL_WQE_CQE_TIMES MLX5_MTR_POLL_WQE_CQE_TIMES
864 
865 #define MLX5_MAN_WIDTH 8
866 /* Legacy Meter parameter structure. */
867 struct mlx5_legacy_flow_meter {
868 	struct mlx5_flow_meter_info fm;
869 	/* Must be the first in struct. */
870 	TAILQ_ENTRY(mlx5_legacy_flow_meter) next;
871 	/**< Pointer to the next flow meter structure. */
872 	uint32_t idx;
873 	/* Index to meter object. */
874 };
875 
876 #define MLX5_MAX_TUNNELS 256
877 #define MLX5_TNL_MISS_RULE_PRIORITY 3
878 #define MLX5_TNL_MISS_FDB_JUMP_GRP  0x1234faac
879 
880 /*
881  * When tunnel offload is active, all JUMP group ids are converted
882  * using the same method. That conversion is applied both to tunnel and
883  * regular rule types.
884  * Group ids used in tunnel rules are relative to it's tunnel (!).
885  * Application can create number of steer rules, using the same
886  * tunnel, with different group id in each rule.
887  * Each tunnel stores its groups internally in PMD tunnel object.
888  * Groups used in regular rules do not belong to any tunnel and are stored
889  * in tunnel hub.
890  */
891 
892 struct mlx5_flow_tunnel {
893 	LIST_ENTRY(mlx5_flow_tunnel) chain;
894 	struct rte_flow_tunnel app_tunnel;	/** app tunnel copy */
895 	uint32_t tunnel_id;			/** unique tunnel ID */
896 	uint32_t refctn;
897 	struct rte_flow_action action;
898 	struct rte_flow_item item;
899 	struct mlx5_hlist *groups;		/** tunnel groups */
900 };
901 
902 /** PMD tunnel related context */
903 struct mlx5_flow_tunnel_hub {
904 	/* Tunnels list
905 	 * Access to the list MUST be MT protected
906 	 */
907 	LIST_HEAD(, mlx5_flow_tunnel) tunnels;
908 	 /* protect access to the tunnels list */
909 	rte_spinlock_t sl;
910 	struct mlx5_hlist *groups;		/** non tunnel groups */
911 };
912 
913 /* convert jump group to flow table ID in tunnel rules */
914 struct tunnel_tbl_entry {
915 	struct mlx5_list_entry hash;
916 	uint32_t flow_table;
917 	uint32_t tunnel_id;
918 	uint32_t group;
919 };
920 
921 static inline uint32_t
922 tunnel_id_to_flow_tbl(uint32_t id)
923 {
924 	return id | (1u << 16);
925 }
926 
927 static inline uint32_t
928 tunnel_flow_tbl_to_id(uint32_t flow_tbl)
929 {
930 	return flow_tbl & ~(1u << 16);
931 }
932 
933 union tunnel_tbl_key {
934 	uint64_t val;
935 	struct {
936 		uint32_t tunnel_id;
937 		uint32_t group;
938 	};
939 };
940 
941 static inline struct mlx5_flow_tunnel_hub *
942 mlx5_tunnel_hub(struct rte_eth_dev *dev)
943 {
944 	struct mlx5_priv *priv = dev->data->dev_private;
945 	return priv->sh->tunnel_hub;
946 }
947 
948 static inline bool
949 is_tunnel_offload_active(const struct rte_eth_dev *dev)
950 {
951 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
952 	const struct mlx5_priv *priv = dev->data->dev_private;
953 	return !!priv->config.dv_miss_info;
954 #else
955 	RTE_SET_USED(dev);
956 	return false;
957 #endif
958 }
959 
960 static inline bool
961 is_flow_tunnel_match_rule(enum mlx5_tof_rule_type tof_rule_type)
962 {
963 	return tof_rule_type == MLX5_TUNNEL_OFFLOAD_MATCH_RULE;
964 }
965 
966 static inline bool
967 is_flow_tunnel_steer_rule(enum mlx5_tof_rule_type tof_rule_type)
968 {
969 	return tof_rule_type == MLX5_TUNNEL_OFFLOAD_SET_RULE;
970 }
971 
972 static inline const struct mlx5_flow_tunnel *
973 flow_actions_to_tunnel(const struct rte_flow_action actions[])
974 {
975 	return actions[0].conf;
976 }
977 
978 static inline const struct mlx5_flow_tunnel *
979 flow_items_to_tunnel(const struct rte_flow_item items[])
980 {
981 	return items[0].spec;
982 }
983 
984 /* Flow structure. */
985 struct rte_flow {
986 	uint32_t dev_handles;
987 	/**< Device flow handles that are part of the flow. */
988 	uint32_t type:2;
989 	uint32_t drv_type:2; /**< Driver type. */
990 	uint32_t tunnel:1;
991 	uint32_t meter:24; /**< Holds flow meter id. */
992 	uint32_t indirect_type:2; /**< Indirect action type. */
993 	uint32_t rix_mreg_copy;
994 	/**< Index to metadata register copy table resource. */
995 	uint32_t counter; /**< Holds flow counter. */
996 	uint32_t tunnel_id;  /**< Tunnel id */
997 	union {
998 		uint32_t age; /**< Holds ASO age bit index. */
999 		uint32_t ct; /**< Holds ASO CT index. */
1000 	};
1001 	uint32_t geneve_tlv_option; /**< Holds Geneve TLV option id. > */
1002 } __rte_packed;
1003 
1004 /*
1005  * Define list of valid combinations of RX Hash fields
1006  * (see enum ibv_rx_hash_fields).
1007  */
1008 #define MLX5_RSS_HASH_IPV4 (IBV_RX_HASH_SRC_IPV4 | IBV_RX_HASH_DST_IPV4)
1009 #define MLX5_RSS_HASH_IPV4_TCP \
1010 	(MLX5_RSS_HASH_IPV4 | \
1011 	 IBV_RX_HASH_SRC_PORT_TCP | IBV_RX_HASH_DST_PORT_TCP)
1012 #define MLX5_RSS_HASH_IPV4_UDP \
1013 	(MLX5_RSS_HASH_IPV4 | \
1014 	 IBV_RX_HASH_SRC_PORT_UDP | IBV_RX_HASH_DST_PORT_UDP)
1015 #define MLX5_RSS_HASH_IPV6 (IBV_RX_HASH_SRC_IPV6 | IBV_RX_HASH_DST_IPV6)
1016 #define MLX5_RSS_HASH_IPV6_TCP \
1017 	(MLX5_RSS_HASH_IPV6 | \
1018 	 IBV_RX_HASH_SRC_PORT_TCP | IBV_RX_HASH_DST_PORT_TCP)
1019 #define MLX5_RSS_HASH_IPV6_UDP \
1020 	(MLX5_RSS_HASH_IPV6 | \
1021 	 IBV_RX_HASH_SRC_PORT_UDP | IBV_RX_HASH_DST_PORT_UDP)
1022 #define MLX5_RSS_HASH_IPV4_SRC_ONLY IBV_RX_HASH_SRC_IPV4
1023 #define MLX5_RSS_HASH_IPV4_DST_ONLY IBV_RX_HASH_DST_IPV4
1024 #define MLX5_RSS_HASH_IPV6_SRC_ONLY IBV_RX_HASH_SRC_IPV6
1025 #define MLX5_RSS_HASH_IPV6_DST_ONLY IBV_RX_HASH_DST_IPV6
1026 #define MLX5_RSS_HASH_IPV4_UDP_SRC_ONLY \
1027 	(MLX5_RSS_HASH_IPV4 | IBV_RX_HASH_SRC_PORT_UDP)
1028 #define MLX5_RSS_HASH_IPV4_UDP_DST_ONLY \
1029 	(MLX5_RSS_HASH_IPV4 | IBV_RX_HASH_DST_PORT_UDP)
1030 #define MLX5_RSS_HASH_IPV6_UDP_SRC_ONLY \
1031 	(MLX5_RSS_HASH_IPV6 | IBV_RX_HASH_SRC_PORT_UDP)
1032 #define MLX5_RSS_HASH_IPV6_UDP_DST_ONLY \
1033 	(MLX5_RSS_HASH_IPV6 | IBV_RX_HASH_DST_PORT_UDP)
1034 #define MLX5_RSS_HASH_IPV4_TCP_SRC_ONLY \
1035 	(MLX5_RSS_HASH_IPV4 | IBV_RX_HASH_SRC_PORT_TCP)
1036 #define MLX5_RSS_HASH_IPV4_TCP_DST_ONLY \
1037 	(MLX5_RSS_HASH_IPV4 | IBV_RX_HASH_DST_PORT_TCP)
1038 #define MLX5_RSS_HASH_IPV6_TCP_SRC_ONLY \
1039 	(MLX5_RSS_HASH_IPV6 | IBV_RX_HASH_SRC_PORT_TCP)
1040 #define MLX5_RSS_HASH_IPV6_TCP_DST_ONLY \
1041 	(MLX5_RSS_HASH_IPV6 | IBV_RX_HASH_DST_PORT_TCP)
1042 #define MLX5_RSS_HASH_NONE 0ULL
1043 
1044 
1045 /* extract next protocol type from Ethernet & VLAN headers */
1046 #define MLX5_ETHER_TYPE_FROM_HEADER(_s, _m, _itm, _prt) do { \
1047 	(_prt) = ((const struct _s *)(_itm)->mask)->_m;       \
1048 	(_prt) &= ((const struct _s *)(_itm)->spec)->_m;      \
1049 	(_prt) = rte_be_to_cpu_16((_prt));                    \
1050 } while (0)
1051 
1052 /* array of valid combinations of RX Hash fields for RSS */
1053 static const uint64_t mlx5_rss_hash_fields[] = {
1054 	MLX5_RSS_HASH_IPV4,
1055 	MLX5_RSS_HASH_IPV4_TCP,
1056 	MLX5_RSS_HASH_IPV4_UDP,
1057 	MLX5_RSS_HASH_IPV6,
1058 	MLX5_RSS_HASH_IPV6_TCP,
1059 	MLX5_RSS_HASH_IPV6_UDP,
1060 	MLX5_RSS_HASH_NONE,
1061 };
1062 
1063 /* Shared RSS action structure */
1064 struct mlx5_shared_action_rss {
1065 	ILIST_ENTRY(uint32_t)next; /**< Index to the next RSS structure. */
1066 	uint32_t refcnt; /**< Atomically accessed refcnt. */
1067 	struct rte_flow_action_rss origin; /**< Original rte RSS action. */
1068 	uint8_t key[MLX5_RSS_HASH_KEY_LEN]; /**< RSS hash key. */
1069 	struct mlx5_ind_table_obj *ind_tbl;
1070 	/**< Hash RX queues (hrxq, hrxq_tunnel fields) indirection table. */
1071 	uint32_t hrxq[MLX5_RSS_HASH_FIELDS_LEN];
1072 	/**< Hash RX queue indexes mapped to mlx5_rss_hash_fields */
1073 	rte_spinlock_t action_rss_sl; /**< Shared RSS action spinlock. */
1074 };
1075 
1076 struct rte_flow_action_handle {
1077 	uint32_t id;
1078 };
1079 
1080 /* Thread specific flow workspace intermediate data. */
1081 struct mlx5_flow_workspace {
1082 	/* If creating another flow in same thread, push new as stack. */
1083 	struct mlx5_flow_workspace *prev;
1084 	struct mlx5_flow_workspace *next;
1085 	uint32_t inuse; /* can't create new flow with current. */
1086 	struct mlx5_flow flows[MLX5_NUM_MAX_DEV_FLOWS];
1087 	struct mlx5_flow_rss_desc rss_desc;
1088 	uint32_t rssq_num; /* Allocated queue num in rss_desc. */
1089 	uint32_t flow_idx; /* Intermediate device flow index. */
1090 	struct mlx5_flow_meter_info *fm; /* Pointer to the meter in flow. */
1091 	struct mlx5_flow_meter_policy *policy;
1092 	/* The meter policy used by meter in flow. */
1093 	struct mlx5_flow_meter_policy *final_policy;
1094 	/* The final policy when meter policy is hierarchy. */
1095 	uint32_t skip_matcher_reg:1;
1096 	/* Indicates if need to skip matcher register in translate. */
1097 };
1098 
1099 struct mlx5_flow_split_info {
1100 	bool external;
1101 	/**< True if flow is created by request external to PMD. */
1102 	uint8_t skip_scale; /**< Skip the scale the table with factor. */
1103 	uint32_t flow_idx; /**< This memory pool index to the flow. */
1104 	uint32_t prefix_mark; /**< Prefix subflow mark flag. */
1105 	uint64_t prefix_layers; /**< Prefix subflow layers. */
1106 	uint32_t table_id; /**< Flow table identifier. */
1107 };
1108 
1109 typedef int (*mlx5_flow_validate_t)(struct rte_eth_dev *dev,
1110 				    const struct rte_flow_attr *attr,
1111 				    const struct rte_flow_item items[],
1112 				    const struct rte_flow_action actions[],
1113 				    bool external,
1114 				    int hairpin,
1115 				    struct rte_flow_error *error);
1116 typedef struct mlx5_flow *(*mlx5_flow_prepare_t)
1117 	(struct rte_eth_dev *dev, const struct rte_flow_attr *attr,
1118 	 const struct rte_flow_item items[],
1119 	 const struct rte_flow_action actions[], struct rte_flow_error *error);
1120 typedef int (*mlx5_flow_translate_t)(struct rte_eth_dev *dev,
1121 				     struct mlx5_flow *dev_flow,
1122 				     const struct rte_flow_attr *attr,
1123 				     const struct rte_flow_item items[],
1124 				     const struct rte_flow_action actions[],
1125 				     struct rte_flow_error *error);
1126 typedef int (*mlx5_flow_apply_t)(struct rte_eth_dev *dev, struct rte_flow *flow,
1127 				 struct rte_flow_error *error);
1128 typedef void (*mlx5_flow_remove_t)(struct rte_eth_dev *dev,
1129 				   struct rte_flow *flow);
1130 typedef void (*mlx5_flow_destroy_t)(struct rte_eth_dev *dev,
1131 				    struct rte_flow *flow);
1132 typedef int (*mlx5_flow_query_t)(struct rte_eth_dev *dev,
1133 				 struct rte_flow *flow,
1134 				 const struct rte_flow_action *actions,
1135 				 void *data,
1136 				 struct rte_flow_error *error);
1137 typedef int (*mlx5_flow_create_mtr_tbls_t)(struct rte_eth_dev *dev,
1138 					struct mlx5_flow_meter_info *fm,
1139 					uint32_t mtr_idx,
1140 					uint8_t domain_bitmap);
1141 typedef void (*mlx5_flow_destroy_mtr_tbls_t)(struct rte_eth_dev *dev,
1142 				struct mlx5_flow_meter_info *fm);
1143 typedef void (*mlx5_flow_destroy_mtr_drop_tbls_t)(struct rte_eth_dev *dev);
1144 typedef struct mlx5_flow_meter_sub_policy *
1145 	(*mlx5_flow_meter_sub_policy_rss_prepare_t)
1146 		(struct rte_eth_dev *dev,
1147 		struct mlx5_flow_meter_policy *mtr_policy,
1148 		struct mlx5_flow_rss_desc *rss_desc[MLX5_MTR_RTE_COLORS]);
1149 typedef int (*mlx5_flow_meter_hierarchy_rule_create_t)
1150 		(struct rte_eth_dev *dev,
1151 		struct mlx5_flow_meter_info *fm,
1152 		int32_t src_port,
1153 		const struct rte_flow_item *item,
1154 		struct rte_flow_error *error);
1155 typedef void (*mlx5_flow_destroy_sub_policy_with_rxq_t)
1156 	(struct rte_eth_dev *dev,
1157 	struct mlx5_flow_meter_policy *mtr_policy);
1158 typedef uint32_t (*mlx5_flow_mtr_alloc_t)
1159 					    (struct rte_eth_dev *dev);
1160 typedef void (*mlx5_flow_mtr_free_t)(struct rte_eth_dev *dev,
1161 						uint32_t mtr_idx);
1162 typedef uint32_t (*mlx5_flow_counter_alloc_t)
1163 				   (struct rte_eth_dev *dev);
1164 typedef void (*mlx5_flow_counter_free_t)(struct rte_eth_dev *dev,
1165 					 uint32_t cnt);
1166 typedef int (*mlx5_flow_counter_query_t)(struct rte_eth_dev *dev,
1167 					 uint32_t cnt,
1168 					 bool clear, uint64_t *pkts,
1169 					 uint64_t *bytes);
1170 typedef int (*mlx5_flow_get_aged_flows_t)
1171 					(struct rte_eth_dev *dev,
1172 					 void **context,
1173 					 uint32_t nb_contexts,
1174 					 struct rte_flow_error *error);
1175 typedef int (*mlx5_flow_action_validate_t)
1176 				(struct rte_eth_dev *dev,
1177 				 const struct rte_flow_indir_action_conf *conf,
1178 				 const struct rte_flow_action *action,
1179 				 struct rte_flow_error *error);
1180 typedef struct rte_flow_action_handle *(*mlx5_flow_action_create_t)
1181 				(struct rte_eth_dev *dev,
1182 				 const struct rte_flow_indir_action_conf *conf,
1183 				 const struct rte_flow_action *action,
1184 				 struct rte_flow_error *error);
1185 typedef int (*mlx5_flow_action_destroy_t)
1186 				(struct rte_eth_dev *dev,
1187 				 struct rte_flow_action_handle *action,
1188 				 struct rte_flow_error *error);
1189 typedef int (*mlx5_flow_action_update_t)
1190 			(struct rte_eth_dev *dev,
1191 			 struct rte_flow_action_handle *action,
1192 			 const void *update,
1193 			 struct rte_flow_error *error);
1194 typedef int (*mlx5_flow_action_query_t)
1195 			(struct rte_eth_dev *dev,
1196 			 const struct rte_flow_action_handle *action,
1197 			 void *data,
1198 			 struct rte_flow_error *error);
1199 typedef int (*mlx5_flow_sync_domain_t)
1200 			(struct rte_eth_dev *dev,
1201 			 uint32_t domains,
1202 			 uint32_t flags);
1203 typedef int (*mlx5_flow_validate_mtr_acts_t)
1204 			(struct rte_eth_dev *dev,
1205 			 const struct rte_flow_action *actions[RTE_COLORS],
1206 			 struct rte_flow_attr *attr,
1207 			 bool *is_rss,
1208 			 uint8_t *domain_bitmap,
1209 			 uint8_t *policy_mode,
1210 			 struct rte_mtr_error *error);
1211 typedef int (*mlx5_flow_create_mtr_acts_t)
1212 			(struct rte_eth_dev *dev,
1213 		      struct mlx5_flow_meter_policy *mtr_policy,
1214 		      const struct rte_flow_action *actions[RTE_COLORS],
1215 		      struct rte_mtr_error *error);
1216 typedef void (*mlx5_flow_destroy_mtr_acts_t)
1217 			(struct rte_eth_dev *dev,
1218 		      struct mlx5_flow_meter_policy *mtr_policy);
1219 typedef int (*mlx5_flow_create_policy_rules_t)
1220 			(struct rte_eth_dev *dev,
1221 			  struct mlx5_flow_meter_policy *mtr_policy);
1222 typedef void (*mlx5_flow_destroy_policy_rules_t)
1223 			(struct rte_eth_dev *dev,
1224 			  struct mlx5_flow_meter_policy *mtr_policy);
1225 typedef int (*mlx5_flow_create_def_policy_t)
1226 			(struct rte_eth_dev *dev);
1227 typedef void (*mlx5_flow_destroy_def_policy_t)
1228 			(struct rte_eth_dev *dev);
1229 
1230 struct mlx5_flow_driver_ops {
1231 	mlx5_flow_validate_t validate;
1232 	mlx5_flow_prepare_t prepare;
1233 	mlx5_flow_translate_t translate;
1234 	mlx5_flow_apply_t apply;
1235 	mlx5_flow_remove_t remove;
1236 	mlx5_flow_destroy_t destroy;
1237 	mlx5_flow_query_t query;
1238 	mlx5_flow_create_mtr_tbls_t create_mtr_tbls;
1239 	mlx5_flow_destroy_mtr_tbls_t destroy_mtr_tbls;
1240 	mlx5_flow_destroy_mtr_drop_tbls_t destroy_mtr_drop_tbls;
1241 	mlx5_flow_mtr_alloc_t create_meter;
1242 	mlx5_flow_mtr_free_t free_meter;
1243 	mlx5_flow_validate_mtr_acts_t validate_mtr_acts;
1244 	mlx5_flow_create_mtr_acts_t create_mtr_acts;
1245 	mlx5_flow_destroy_mtr_acts_t destroy_mtr_acts;
1246 	mlx5_flow_create_policy_rules_t create_policy_rules;
1247 	mlx5_flow_destroy_policy_rules_t destroy_policy_rules;
1248 	mlx5_flow_create_def_policy_t create_def_policy;
1249 	mlx5_flow_destroy_def_policy_t destroy_def_policy;
1250 	mlx5_flow_meter_sub_policy_rss_prepare_t meter_sub_policy_rss_prepare;
1251 	mlx5_flow_meter_hierarchy_rule_create_t meter_hierarchy_rule_create;
1252 	mlx5_flow_destroy_sub_policy_with_rxq_t destroy_sub_policy_with_rxq;
1253 	mlx5_flow_counter_alloc_t counter_alloc;
1254 	mlx5_flow_counter_free_t counter_free;
1255 	mlx5_flow_counter_query_t counter_query;
1256 	mlx5_flow_get_aged_flows_t get_aged_flows;
1257 	mlx5_flow_action_validate_t action_validate;
1258 	mlx5_flow_action_create_t action_create;
1259 	mlx5_flow_action_destroy_t action_destroy;
1260 	mlx5_flow_action_update_t action_update;
1261 	mlx5_flow_action_query_t action_query;
1262 	mlx5_flow_sync_domain_t sync_domain;
1263 };
1264 
1265 /* mlx5_flow.c */
1266 
1267 struct mlx5_flow_workspace *mlx5_flow_get_thread_workspace(void);
1268 __extension__
1269 struct flow_grp_info {
1270 	uint64_t external:1;
1271 	uint64_t transfer:1;
1272 	uint64_t fdb_def_rule:1;
1273 	/* force standard group translation */
1274 	uint64_t std_tbl_fix:1;
1275 	uint64_t skip_scale:2;
1276 };
1277 
1278 static inline bool
1279 tunnel_use_standard_attr_group_translate
1280 		    (const struct rte_eth_dev *dev,
1281 		     const struct rte_flow_attr *attr,
1282 		     const struct mlx5_flow_tunnel *tunnel,
1283 		     enum mlx5_tof_rule_type tof_rule_type)
1284 {
1285 	bool verdict;
1286 
1287 	if (!is_tunnel_offload_active(dev))
1288 		/* no tunnel offload API */
1289 		verdict = true;
1290 	else if (tunnel) {
1291 		/*
1292 		 * OvS will use jump to group 0 in tunnel steer rule.
1293 		 * If tunnel steer rule starts from group 0 (attr.group == 0)
1294 		 * that 0 group must be translated with standard method.
1295 		 * attr.group == 0 in tunnel match rule translated with tunnel
1296 		 * method
1297 		 */
1298 		verdict = !attr->group &&
1299 			  is_flow_tunnel_steer_rule(tof_rule_type);
1300 	} else {
1301 		/*
1302 		 * non-tunnel group translation uses standard method for
1303 		 * root group only: attr.group == 0
1304 		 */
1305 		verdict = !attr->group;
1306 	}
1307 
1308 	return verdict;
1309 }
1310 
1311 /**
1312  * Get DV flow aso meter by index.
1313  *
1314  * @param[in] dev
1315  *   Pointer to the Ethernet device structure.
1316  * @param[in] idx
1317  *   mlx5 flow aso meter index in the container.
1318  * @param[out] ppool
1319  *   mlx5 flow aso meter pool in the container,
1320  *
1321  * @return
1322  *   Pointer to the aso meter, NULL otherwise.
1323  */
1324 static inline struct mlx5_aso_mtr *
1325 mlx5_aso_meter_by_idx(struct mlx5_priv *priv, uint32_t idx)
1326 {
1327 	struct mlx5_aso_mtr_pool *pool;
1328 	struct mlx5_aso_mtr_pools_mng *pools_mng =
1329 				&priv->sh->mtrmng->pools_mng;
1330 
1331 	/* Decrease to original index. */
1332 	idx--;
1333 	MLX5_ASSERT(idx / MLX5_ASO_MTRS_PER_POOL < pools_mng->n);
1334 	pool = pools_mng->pools[idx / MLX5_ASO_MTRS_PER_POOL];
1335 	return &pool->mtrs[idx % MLX5_ASO_MTRS_PER_POOL];
1336 }
1337 
1338 static __rte_always_inline const struct rte_flow_item *
1339 mlx5_find_end_item(const struct rte_flow_item *item)
1340 {
1341 	for (; item->type != RTE_FLOW_ITEM_TYPE_END; item++);
1342 	return item;
1343 }
1344 
1345 static __rte_always_inline bool
1346 mlx5_validate_integrity_item(const struct rte_flow_item_integrity *item)
1347 {
1348 	struct rte_flow_item_integrity test = *item;
1349 	test.l3_ok = 0;
1350 	test.l4_ok = 0;
1351 	test.ipv4_csum_ok = 0;
1352 	test.l4_csum_ok = 0;
1353 	return (test.value == 0);
1354 }
1355 
1356 /*
1357  * Get ASO CT action by device and index.
1358  *
1359  * @param[in] dev
1360  *   Pointer to the Ethernet device structure.
1361  * @param[in] idx
1362  *   Index to the ASO CT action.
1363  *
1364  * @return
1365  *   The specified ASO CT action pointer.
1366  */
1367 static inline struct mlx5_aso_ct_action *
1368 flow_aso_ct_get_by_dev_idx(struct rte_eth_dev *dev, uint32_t idx)
1369 {
1370 	struct mlx5_priv *priv = dev->data->dev_private;
1371 	struct mlx5_aso_ct_pools_mng *mng = priv->sh->ct_mng;
1372 	struct mlx5_aso_ct_pool *pool;
1373 
1374 	idx--;
1375 	MLX5_ASSERT((idx / MLX5_ASO_CT_ACTIONS_PER_POOL) < mng->n);
1376 	/* Bit operation AND could be used. */
1377 	rte_rwlock_read_lock(&mng->resize_rwl);
1378 	pool = mng->pools[idx / MLX5_ASO_CT_ACTIONS_PER_POOL];
1379 	rte_rwlock_read_unlock(&mng->resize_rwl);
1380 	return &pool->actions[idx % MLX5_ASO_CT_ACTIONS_PER_POOL];
1381 }
1382 
1383 /*
1384  * Get ASO CT action by owner & index.
1385  *
1386  * @param[in] dev
1387  *   Pointer to the Ethernet device structure.
1388  * @param[in] idx
1389  *   Index to the ASO CT action and owner port combination.
1390  *
1391  * @return
1392  *   The specified ASO CT action pointer.
1393  */
1394 static inline struct mlx5_aso_ct_action *
1395 flow_aso_ct_get_by_idx(struct rte_eth_dev *dev, uint32_t own_idx)
1396 {
1397 	struct mlx5_priv *priv = dev->data->dev_private;
1398 	struct mlx5_aso_ct_action *ct;
1399 	uint16_t owner = (uint16_t)MLX5_INDIRECT_ACT_CT_GET_OWNER(own_idx);
1400 	uint32_t idx = MLX5_INDIRECT_ACT_CT_GET_IDX(own_idx);
1401 
1402 	if (owner == PORT_ID(priv)) {
1403 		ct = flow_aso_ct_get_by_dev_idx(dev, idx);
1404 	} else {
1405 		struct rte_eth_dev *owndev = &rte_eth_devices[owner];
1406 
1407 		MLX5_ASSERT(owner < RTE_MAX_ETHPORTS);
1408 		if (dev->data->dev_started != 1)
1409 			return NULL;
1410 		ct = flow_aso_ct_get_by_dev_idx(owndev, idx);
1411 		if (ct->peer != PORT_ID(priv))
1412 			return NULL;
1413 	}
1414 	return ct;
1415 }
1416 
1417 int mlx5_flow_group_to_table(struct rte_eth_dev *dev,
1418 			     const struct mlx5_flow_tunnel *tunnel,
1419 			     uint32_t group, uint32_t *table,
1420 			     const struct flow_grp_info *flags,
1421 			     struct rte_flow_error *error);
1422 uint64_t mlx5_flow_hashfields_adjust(struct mlx5_flow_rss_desc *rss_desc,
1423 				     int tunnel, uint64_t layer_types,
1424 				     uint64_t hash_fields);
1425 int mlx5_flow_discover_priorities(struct rte_eth_dev *dev);
1426 uint32_t mlx5_flow_adjust_priority(struct rte_eth_dev *dev, int32_t priority,
1427 				   uint32_t subpriority);
1428 uint32_t mlx5_get_lowest_priority(struct rte_eth_dev *dev,
1429 					const struct rte_flow_attr *attr);
1430 uint16_t mlx5_get_matcher_priority(struct rte_eth_dev *dev,
1431 				     const struct rte_flow_attr *attr,
1432 				     uint32_t subpriority);
1433 int mlx5_flow_get_reg_id(struct rte_eth_dev *dev,
1434 				     enum mlx5_feature_name feature,
1435 				     uint32_t id,
1436 				     struct rte_flow_error *error);
1437 const struct rte_flow_action *mlx5_flow_find_action
1438 					(const struct rte_flow_action *actions,
1439 					 enum rte_flow_action_type action);
1440 int mlx5_validate_action_rss(struct rte_eth_dev *dev,
1441 			     const struct rte_flow_action *action,
1442 			     struct rte_flow_error *error);
1443 int mlx5_flow_validate_action_count(struct rte_eth_dev *dev,
1444 				    const struct rte_flow_attr *attr,
1445 				    struct rte_flow_error *error);
1446 int mlx5_flow_validate_action_drop(uint64_t action_flags,
1447 				   const struct rte_flow_attr *attr,
1448 				   struct rte_flow_error *error);
1449 int mlx5_flow_validate_action_flag(uint64_t action_flags,
1450 				   const struct rte_flow_attr *attr,
1451 				   struct rte_flow_error *error);
1452 int mlx5_flow_validate_action_mark(const struct rte_flow_action *action,
1453 				   uint64_t action_flags,
1454 				   const struct rte_flow_attr *attr,
1455 				   struct rte_flow_error *error);
1456 int mlx5_flow_validate_action_queue(const struct rte_flow_action *action,
1457 				    uint64_t action_flags,
1458 				    struct rte_eth_dev *dev,
1459 				    const struct rte_flow_attr *attr,
1460 				    struct rte_flow_error *error);
1461 int mlx5_flow_validate_action_rss(const struct rte_flow_action *action,
1462 				  uint64_t action_flags,
1463 				  struct rte_eth_dev *dev,
1464 				  const struct rte_flow_attr *attr,
1465 				  uint64_t item_flags,
1466 				  struct rte_flow_error *error);
1467 int mlx5_flow_validate_action_default_miss(uint64_t action_flags,
1468 				const struct rte_flow_attr *attr,
1469 				struct rte_flow_error *error);
1470 int mlx5_flow_validate_attributes(struct rte_eth_dev *dev,
1471 				  const struct rte_flow_attr *attributes,
1472 				  struct rte_flow_error *error);
1473 int mlx5_flow_item_acceptable(const struct rte_flow_item *item,
1474 			      const uint8_t *mask,
1475 			      const uint8_t *nic_mask,
1476 			      unsigned int size,
1477 			      bool range_accepted,
1478 			      struct rte_flow_error *error);
1479 int mlx5_flow_validate_item_eth(const struct rte_flow_item *item,
1480 				uint64_t item_flags, bool ext_vlan_sup,
1481 				struct rte_flow_error *error);
1482 int mlx5_flow_validate_item_gre(const struct rte_flow_item *item,
1483 				uint64_t item_flags,
1484 				uint8_t target_protocol,
1485 				struct rte_flow_error *error);
1486 int mlx5_flow_validate_item_gre_key(const struct rte_flow_item *item,
1487 				    uint64_t item_flags,
1488 				    const struct rte_flow_item *gre_item,
1489 				    struct rte_flow_error *error);
1490 int mlx5_flow_validate_item_ipv4(const struct rte_flow_item *item,
1491 				 uint64_t item_flags,
1492 				 uint64_t last_item,
1493 				 uint16_t ether_type,
1494 				 const struct rte_flow_item_ipv4 *acc_mask,
1495 				 bool range_accepted,
1496 				 struct rte_flow_error *error);
1497 int mlx5_flow_validate_item_ipv6(const struct rte_flow_item *item,
1498 				 uint64_t item_flags,
1499 				 uint64_t last_item,
1500 				 uint16_t ether_type,
1501 				 const struct rte_flow_item_ipv6 *acc_mask,
1502 				 struct rte_flow_error *error);
1503 int mlx5_flow_validate_item_mpls(struct rte_eth_dev *dev,
1504 				 const struct rte_flow_item *item,
1505 				 uint64_t item_flags,
1506 				 uint64_t prev_layer,
1507 				 struct rte_flow_error *error);
1508 int mlx5_flow_validate_item_tcp(const struct rte_flow_item *item,
1509 				uint64_t item_flags,
1510 				uint8_t target_protocol,
1511 				const struct rte_flow_item_tcp *flow_mask,
1512 				struct rte_flow_error *error);
1513 int mlx5_flow_validate_item_udp(const struct rte_flow_item *item,
1514 				uint64_t item_flags,
1515 				uint8_t target_protocol,
1516 				struct rte_flow_error *error);
1517 int mlx5_flow_validate_item_vlan(const struct rte_flow_item *item,
1518 				 uint64_t item_flags,
1519 				 struct rte_eth_dev *dev,
1520 				 struct rte_flow_error *error);
1521 int mlx5_flow_validate_item_vxlan(struct rte_eth_dev *dev,
1522 				  uint16_t udp_dport,
1523 				  const struct rte_flow_item *item,
1524 				  uint64_t item_flags,
1525 				  const struct rte_flow_attr *attr,
1526 				  struct rte_flow_error *error);
1527 int mlx5_flow_validate_item_vxlan_gpe(const struct rte_flow_item *item,
1528 				      uint64_t item_flags,
1529 				      struct rte_eth_dev *dev,
1530 				      struct rte_flow_error *error);
1531 int mlx5_flow_validate_item_icmp(const struct rte_flow_item *item,
1532 				 uint64_t item_flags,
1533 				 uint8_t target_protocol,
1534 				 struct rte_flow_error *error);
1535 int mlx5_flow_validate_item_icmp6(const struct rte_flow_item *item,
1536 				   uint64_t item_flags,
1537 				   uint8_t target_protocol,
1538 				   struct rte_flow_error *error);
1539 int mlx5_flow_validate_item_nvgre(const struct rte_flow_item *item,
1540 				  uint64_t item_flags,
1541 				  uint8_t target_protocol,
1542 				  struct rte_flow_error *error);
1543 int mlx5_flow_validate_item_geneve(const struct rte_flow_item *item,
1544 				   uint64_t item_flags,
1545 				   struct rte_eth_dev *dev,
1546 				   struct rte_flow_error *error);
1547 int mlx5_flow_validate_item_geneve_opt(const struct rte_flow_item *item,
1548 				   uint64_t last_item,
1549 				   const struct rte_flow_item *geneve_item,
1550 				   struct rte_eth_dev *dev,
1551 				   struct rte_flow_error *error);
1552 int mlx5_flow_validate_item_ecpri(const struct rte_flow_item *item,
1553 				  uint64_t item_flags,
1554 				  uint64_t last_item,
1555 				  uint16_t ether_type,
1556 				  const struct rte_flow_item_ecpri *acc_mask,
1557 				  struct rte_flow_error *error);
1558 int mlx5_flow_create_mtr_tbls(struct rte_eth_dev *dev,
1559 			      struct mlx5_flow_meter_info *fm,
1560 			      uint32_t mtr_idx,
1561 			      uint8_t domain_bitmap);
1562 void mlx5_flow_destroy_mtr_tbls(struct rte_eth_dev *dev,
1563 			       struct mlx5_flow_meter_info *fm);
1564 void mlx5_flow_destroy_mtr_drop_tbls(struct rte_eth_dev *dev);
1565 struct mlx5_flow_meter_sub_policy *mlx5_flow_meter_sub_policy_rss_prepare
1566 		(struct rte_eth_dev *dev,
1567 		struct mlx5_flow_meter_policy *mtr_policy,
1568 		struct mlx5_flow_rss_desc *rss_desc[MLX5_MTR_RTE_COLORS]);
1569 void mlx5_flow_destroy_sub_policy_with_rxq(struct rte_eth_dev *dev,
1570 		struct mlx5_flow_meter_policy *mtr_policy);
1571 int mlx5_flow_dv_discover_counter_offset_support(struct rte_eth_dev *dev);
1572 int mlx5_flow_discover_dr_action_support(struct rte_eth_dev *dev);
1573 int mlx5_action_handle_flush(struct rte_eth_dev *dev);
1574 void mlx5_release_tunnel_hub(struct mlx5_dev_ctx_shared *sh, uint16_t port_id);
1575 int mlx5_alloc_tunnel_hub(struct mlx5_dev_ctx_shared *sh);
1576 
1577 struct mlx5_list_entry *flow_dv_tbl_create_cb(void *tool_ctx, void *entry_ctx);
1578 int flow_dv_tbl_match_cb(void *tool_ctx, struct mlx5_list_entry *entry,
1579 			 void *cb_ctx);
1580 void flow_dv_tbl_remove_cb(void *tool_ctx, struct mlx5_list_entry *entry);
1581 struct mlx5_list_entry *flow_dv_tbl_clone_cb(void *tool_ctx,
1582 					     struct mlx5_list_entry *oentry,
1583 					     void *entry_ctx);
1584 void flow_dv_tbl_clone_free_cb(void *tool_ctx, struct mlx5_list_entry *entry);
1585 struct mlx5_flow_tbl_resource *flow_dv_tbl_resource_get(struct rte_eth_dev *dev,
1586 		uint32_t table_level, uint8_t egress, uint8_t transfer,
1587 		bool external, const struct mlx5_flow_tunnel *tunnel,
1588 		uint32_t group_id, uint8_t dummy,
1589 		uint32_t table_id, struct rte_flow_error *error);
1590 
1591 struct mlx5_list_entry *flow_dv_tag_create_cb(void *tool_ctx, void *cb_ctx);
1592 int flow_dv_tag_match_cb(void *tool_ctx, struct mlx5_list_entry *entry,
1593 			 void *cb_ctx);
1594 void flow_dv_tag_remove_cb(void *tool_ctx, struct mlx5_list_entry *entry);
1595 struct mlx5_list_entry *flow_dv_tag_clone_cb(void *tool_ctx,
1596 					     struct mlx5_list_entry *oentry,
1597 					     void *cb_ctx);
1598 void flow_dv_tag_clone_free_cb(void *tool_ctx, struct mlx5_list_entry *entry);
1599 
1600 int flow_dv_modify_match_cb(void *tool_ctx, struct mlx5_list_entry *entry,
1601 			    void *cb_ctx);
1602 struct mlx5_list_entry *flow_dv_modify_create_cb(void *tool_ctx, void *ctx);
1603 void flow_dv_modify_remove_cb(void *tool_ctx, struct mlx5_list_entry *entry);
1604 struct mlx5_list_entry *flow_dv_modify_clone_cb(void *tool_ctx,
1605 						struct mlx5_list_entry *oentry,
1606 						void *ctx);
1607 void flow_dv_modify_clone_free_cb(void *tool_ctx,
1608 				  struct mlx5_list_entry *entry);
1609 
1610 struct mlx5_list_entry *flow_dv_mreg_create_cb(void *tool_ctx, void *ctx);
1611 int flow_dv_mreg_match_cb(void *tool_ctx, struct mlx5_list_entry *entry,
1612 			  void *cb_ctx);
1613 void flow_dv_mreg_remove_cb(void *tool_ctx, struct mlx5_list_entry *entry);
1614 struct mlx5_list_entry *flow_dv_mreg_clone_cb(void *tool_ctx,
1615 					      struct mlx5_list_entry *entry,
1616 					      void *ctx);
1617 void flow_dv_mreg_clone_free_cb(void *tool_ctx, struct mlx5_list_entry *entry);
1618 
1619 int flow_dv_encap_decap_match_cb(void *tool_ctx, struct mlx5_list_entry *entry,
1620 				 void *cb_ctx);
1621 struct mlx5_list_entry *flow_dv_encap_decap_create_cb(void *tool_ctx,
1622 						      void *cb_ctx);
1623 void flow_dv_encap_decap_remove_cb(void *tool_ctx,
1624 				   struct mlx5_list_entry *entry);
1625 struct mlx5_list_entry *flow_dv_encap_decap_clone_cb(void *tool_ctx,
1626 						  struct mlx5_list_entry *entry,
1627 						  void *cb_ctx);
1628 void flow_dv_encap_decap_clone_free_cb(void *tool_ctx,
1629 				       struct mlx5_list_entry *entry);
1630 
1631 int flow_dv_matcher_match_cb(void *tool_ctx, struct mlx5_list_entry *entry,
1632 			     void *ctx);
1633 struct mlx5_list_entry *flow_dv_matcher_create_cb(void *tool_ctx, void *ctx);
1634 void flow_dv_matcher_remove_cb(void *tool_ctx, struct mlx5_list_entry *entry);
1635 
1636 int flow_dv_port_id_match_cb(void *tool_ctx, struct mlx5_list_entry *entry,
1637 			     void *cb_ctx);
1638 struct mlx5_list_entry *flow_dv_port_id_create_cb(void *tool_ctx, void *cb_ctx);
1639 void flow_dv_port_id_remove_cb(void *tool_ctx, struct mlx5_list_entry *entry);
1640 struct mlx5_list_entry *flow_dv_port_id_clone_cb(void *tool_ctx,
1641 				struct mlx5_list_entry *entry, void *cb_ctx);
1642 void flow_dv_port_id_clone_free_cb(void *tool_ctx,
1643 				   struct mlx5_list_entry *entry);
1644 
1645 int flow_dv_push_vlan_match_cb(void *tool_ctx, struct mlx5_list_entry *entry,
1646 			       void *cb_ctx);
1647 struct mlx5_list_entry *flow_dv_push_vlan_create_cb(void *tool_ctx,
1648 						    void *cb_ctx);
1649 void flow_dv_push_vlan_remove_cb(void *tool_ctx, struct mlx5_list_entry *entry);
1650 struct mlx5_list_entry *flow_dv_push_vlan_clone_cb(void *tool_ctx,
1651 				 struct mlx5_list_entry *entry, void *cb_ctx);
1652 void flow_dv_push_vlan_clone_free_cb(void *tool_ctx,
1653 				     struct mlx5_list_entry *entry);
1654 
1655 int flow_dv_sample_match_cb(void *tool_ctx, struct mlx5_list_entry *entry,
1656 			    void *cb_ctx);
1657 struct mlx5_list_entry *flow_dv_sample_create_cb(void *tool_ctx, void *cb_ctx);
1658 void flow_dv_sample_remove_cb(void *tool_ctx, struct mlx5_list_entry *entry);
1659 struct mlx5_list_entry *flow_dv_sample_clone_cb(void *tool_ctx,
1660 				 struct mlx5_list_entry *entry, void *cb_ctx);
1661 void flow_dv_sample_clone_free_cb(void *tool_ctx,
1662 				  struct mlx5_list_entry *entry);
1663 
1664 int flow_dv_dest_array_match_cb(void *tool_ctx, struct mlx5_list_entry *entry,
1665 				void *cb_ctx);
1666 struct mlx5_list_entry *flow_dv_dest_array_create_cb(void *tool_ctx,
1667 						     void *cb_ctx);
1668 void flow_dv_dest_array_remove_cb(void *tool_ctx,
1669 				  struct mlx5_list_entry *entry);
1670 struct mlx5_list_entry *flow_dv_dest_array_clone_cb(void *tool_ctx,
1671 				   struct mlx5_list_entry *entry, void *cb_ctx);
1672 void flow_dv_dest_array_clone_free_cb(void *tool_ctx,
1673 				      struct mlx5_list_entry *entry);
1674 
1675 struct mlx5_aso_age_action *flow_aso_age_get_by_idx(struct rte_eth_dev *dev,
1676 						    uint32_t age_idx);
1677 int flow_dev_geneve_tlv_option_resource_register(struct rte_eth_dev *dev,
1678 					     const struct rte_flow_item *item,
1679 					     struct rte_flow_error *error);
1680 void flow_release_workspace(void *data);
1681 int mlx5_flow_os_init_workspace_once(void);
1682 void *mlx5_flow_os_get_specific_workspace(void);
1683 int mlx5_flow_os_set_specific_workspace(struct mlx5_flow_workspace *data);
1684 void mlx5_flow_os_release_workspace(void);
1685 uint32_t mlx5_flow_mtr_alloc(struct rte_eth_dev *dev);
1686 void mlx5_flow_mtr_free(struct rte_eth_dev *dev, uint32_t mtr_idx);
1687 int mlx5_flow_validate_mtr_acts(struct rte_eth_dev *dev,
1688 			const struct rte_flow_action *actions[RTE_COLORS],
1689 			struct rte_flow_attr *attr,
1690 			bool *is_rss,
1691 			uint8_t *domain_bitmap,
1692 			uint8_t *policy_mode,
1693 			struct rte_mtr_error *error);
1694 void mlx5_flow_destroy_mtr_acts(struct rte_eth_dev *dev,
1695 		      struct mlx5_flow_meter_policy *mtr_policy);
1696 int mlx5_flow_create_mtr_acts(struct rte_eth_dev *dev,
1697 		      struct mlx5_flow_meter_policy *mtr_policy,
1698 		      const struct rte_flow_action *actions[RTE_COLORS],
1699 		      struct rte_mtr_error *error);
1700 int mlx5_flow_create_policy_rules(struct rte_eth_dev *dev,
1701 			     struct mlx5_flow_meter_policy *mtr_policy);
1702 void mlx5_flow_destroy_policy_rules(struct rte_eth_dev *dev,
1703 			     struct mlx5_flow_meter_policy *mtr_policy);
1704 int mlx5_flow_create_def_policy(struct rte_eth_dev *dev);
1705 void mlx5_flow_destroy_def_policy(struct rte_eth_dev *dev);
1706 void flow_drv_rxq_flags_set(struct rte_eth_dev *dev,
1707 		       struct mlx5_flow_handle *dev_handle);
1708 const struct mlx5_flow_tunnel *
1709 mlx5_get_tof(const struct rte_flow_item *items,
1710 	     const struct rte_flow_action *actions,
1711 	     enum mlx5_tof_rule_type *rule_type);
1712 
1713 
1714 #endif /* RTE_PMD_MLX5_FLOW_H_ */
1715