xref: /dpdk/drivers/net/intel/iavf/iavf_hash.c (revision c1d145834f287aa8cf53de914618a7312f2c360e)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2020 Intel Corporation
3  */
4 
5 #include <sys/queue.h>
6 #include <stdio.h>
7 #include <errno.h>
8 #include <stdint.h>
9 #include <string.h>
10 #include <unistd.h>
11 #include <stdarg.h>
12 
13 #include <rte_debug.h>
14 #include <rte_ether.h>
15 #include <ethdev_driver.h>
16 #include <rte_log.h>
17 #include <rte_malloc.h>
18 #include <rte_eth_ctrl.h>
19 #include <rte_tailq.h>
20 #include <rte_flow_driver.h>
21 
22 #include "iavf_log.h"
23 #include "iavf.h"
24 #include "iavf_generic_flow.h"
25 
26 #define IAVF_PHINT_NONE				0
27 #define IAVF_PHINT_GTPU				BIT_ULL(0)
28 #define IAVF_PHINT_GTPU_EH			BIT_ULL(1)
29 #define	IAVF_PHINT_GTPU_EH_DWN			BIT_ULL(2)
30 #define	IAVF_PHINT_GTPU_EH_UP			BIT_ULL(3)
31 #define IAVF_PHINT_OUTER_IPV4			BIT_ULL(4)
32 #define IAVF_PHINT_OUTER_IPV6			BIT_ULL(5)
33 #define IAVF_PHINT_GRE				BIT_ULL(6)
34 /* the second IP header of GTPoGRE */
35 #define IAVF_PHINT_MID_IPV4			BIT_ULL(7)
36 #define IAVF_PHINT_MID_IPV6			BIT_ULL(8)
37 /* L2TPv2 */
38 #define IAVF_PHINT_L2TPV2			BIT_ULL(9)
39 #define IAVF_PHINT_L2TPV2_LEN			BIT_ULL(10)
40 /* Raw */
41 #define IAVF_PHINT_RAW				BIT_ULL(11)
42 
43 #define IAVF_PHINT_GTPU_MSK	(IAVF_PHINT_GTPU	| \
44 				 IAVF_PHINT_GTPU_EH	| \
45 				 IAVF_PHINT_GTPU_EH_DWN	| \
46 				 IAVF_PHINT_GTPU_EH_UP)
47 
48 #define IAVF_PHINT_LAYERS_MSK	(IAVF_PHINT_OUTER_IPV4	| \
49 				 IAVF_PHINT_OUTER_IPV6)
50 
51 #define IAVF_GTPU_EH_DWNLINK	0
52 #define IAVF_GTPU_EH_UPLINK	1
53 
54 struct iavf_hash_match_type {
55 	uint64_t hash_type;
56 	struct virtchnl_proto_hdrs *proto_hdrs;
57 	uint64_t pattern_hint;
58 };
59 
60 struct iavf_rss_meta {
61 	struct virtchnl_proto_hdrs proto_hdrs;
62 	enum virtchnl_rss_algorithm rss_algorithm;
63 	bool raw_ena;
64 };
65 
66 struct iavf_hash_flow_cfg {
67 	struct virtchnl_rss_cfg *rss_cfg;
68 	bool simple_xor;
69 };
70 
71 static int
72 iavf_hash_init(struct iavf_adapter *ad);
73 static int
74 iavf_hash_create(struct iavf_adapter *ad, struct rte_flow *flow, void *meta,
75 		 struct rte_flow_error *error);
76 static int
77 iavf_hash_destroy(struct iavf_adapter *ad, struct rte_flow *flow,
78 		  struct rte_flow_error *error);
79 static void
80 iavf_hash_uninit(struct iavf_adapter *ad);
81 static void
82 iavf_hash_free(struct rte_flow *flow);
83 static int
84 iavf_hash_parse_pattern_action(struct iavf_adapter *ad,
85 			       struct iavf_pattern_match_item *array,
86 			       uint32_t array_len,
87 			       const struct rte_flow_item pattern[],
88 			       const struct rte_flow_action actions[],
89 			       uint32_t priority,
90 			       void **meta,
91 			       struct rte_flow_error *error);
92 
93 #define FIELD_SELECTOR(proto_hdr_field) \
94 		(1UL << ((proto_hdr_field) & PROTO_HDR_FIELD_MASK))
95 #define BUFF_NOUSED			0
96 
97 #define proto_hdr_eth { \
98 	VIRTCHNL_PROTO_HDR_ETH, \
99 	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_ETH_SRC) | \
100 	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_ETH_DST), {BUFF_NOUSED} }
101 
102 #define proto_hdr_svlan { \
103 	VIRTCHNL_PROTO_HDR_S_VLAN, \
104 	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_S_VLAN_ID), {BUFF_NOUSED} }
105 
106 #define proto_hdr_cvlan { \
107 	VIRTCHNL_PROTO_HDR_C_VLAN, \
108 	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_C_VLAN_ID), {BUFF_NOUSED} }
109 
110 #define proto_hdr_ipv4 { \
111 	VIRTCHNL_PROTO_HDR_IPV4, \
112 	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_SRC) | \
113 	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_DST), {BUFF_NOUSED} }
114 
115 #define proto_hdr_ipv4_with_prot { \
116 	VIRTCHNL_PROTO_HDR_IPV4, \
117 	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_SRC) | \
118 	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_DST) | \
119 	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_PROT), {BUFF_NOUSED} }
120 
121 #define proto_hdr_ipv6 { \
122 	VIRTCHNL_PROTO_HDR_IPV6, \
123 	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_SRC) | \
124 	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_DST), {BUFF_NOUSED} }
125 
126 #define proto_hdr_ipv6_frag { \
127 	VIRTCHNL_PROTO_HDR_IPV6_EH_FRAG, \
128 	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_EH_FRAG_PKID), {BUFF_NOUSED} }
129 
130 #define proto_hdr_ipv6_with_prot { \
131 	VIRTCHNL_PROTO_HDR_IPV6, \
132 	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_SRC) | \
133 	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_DST) | \
134 	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_PROT), {BUFF_NOUSED} }
135 
136 #define proto_hdr_udp { \
137 	VIRTCHNL_PROTO_HDR_UDP, \
138 	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_UDP_SRC_PORT) | \
139 	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_UDP_DST_PORT), {BUFF_NOUSED} }
140 
141 #define proto_hdr_tcp { \
142 	VIRTCHNL_PROTO_HDR_TCP, \
143 	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_TCP_SRC_PORT) | \
144 	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_TCP_DST_PORT), {BUFF_NOUSED} }
145 
146 #define proto_hdr_sctp { \
147 	VIRTCHNL_PROTO_HDR_SCTP, \
148 	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_SCTP_SRC_PORT) | \
149 	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_SCTP_DST_PORT), {BUFF_NOUSED} }
150 
151 #define proto_hdr_esp { \
152 	VIRTCHNL_PROTO_HDR_ESP, \
153 	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_ESP_SPI), {BUFF_NOUSED} }
154 
155 #define proto_hdr_ah { \
156 	VIRTCHNL_PROTO_HDR_AH, \
157 	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_AH_SPI), {BUFF_NOUSED} }
158 
159 #define proto_hdr_l2tpv3 { \
160 	VIRTCHNL_PROTO_HDR_L2TPV3, \
161 	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_L2TPV3_SESS_ID), {BUFF_NOUSED} }
162 
163 #define proto_hdr_pfcp { \
164 	VIRTCHNL_PROTO_HDR_PFCP, \
165 	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_PFCP_SEID), {BUFF_NOUSED} }
166 
167 #define proto_hdr_gtpc { \
168 	VIRTCHNL_PROTO_HDR_GTPC, 0, {BUFF_NOUSED} }
169 
170 #define proto_hdr_ecpri { \
171 	VIRTCHNL_PROTO_HDR_ECPRI, \
172 	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_ECPRI_PC_RTC_ID), {BUFF_NOUSED} }
173 
174 #define proto_hdr_l2tpv2 { \
175 	VIRTCHNL_PROTO_HDR_L2TPV2, \
176 	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_L2TPV2_SESS_ID) | \
177 	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_L2TPV2_LEN_SESS_ID), {BUFF_NOUSED} }
178 
179 #define proto_hdr_ppp { \
180 	VIRTCHNL_PROTO_HDR_PPP, 0, {BUFF_NOUSED} }
181 
182 #define TUNNEL_LEVEL_OUTER		0
183 #define TUNNEL_LEVEL_INNER		1
184 
185 /* proto_hdrs template */
186 struct virtchnl_proto_hdrs outer_ipv4_tmplt = {
187 	TUNNEL_LEVEL_OUTER, 4,
188 	{{proto_hdr_eth, proto_hdr_svlan, proto_hdr_cvlan, proto_hdr_ipv4}}
189 };
190 
191 struct virtchnl_proto_hdrs outer_ipv4_udp_tmplt = {
192 	TUNNEL_LEVEL_OUTER, 5,
193 	{{proto_hdr_eth, proto_hdr_svlan, proto_hdr_cvlan,
194 	  proto_hdr_ipv4_with_prot,
195 	  proto_hdr_udp}}
196 };
197 
198 struct virtchnl_proto_hdrs outer_ipv4_tcp_tmplt = {
199 	TUNNEL_LEVEL_OUTER, 5,
200 	{{proto_hdr_eth, proto_hdr_svlan, proto_hdr_cvlan,
201 	  proto_hdr_ipv4_with_prot,
202 	  proto_hdr_tcp}}
203 };
204 
205 struct virtchnl_proto_hdrs outer_ipv4_sctp_tmplt = {
206 	TUNNEL_LEVEL_OUTER, 5,
207 	{{proto_hdr_eth, proto_hdr_svlan, proto_hdr_cvlan, proto_hdr_ipv4,
208 	  proto_hdr_sctp}}
209 };
210 
211 struct virtchnl_proto_hdrs outer_ipv6_tmplt = {
212 	TUNNEL_LEVEL_OUTER, 4,
213 	{{proto_hdr_eth, proto_hdr_svlan, proto_hdr_cvlan, proto_hdr_ipv6}}
214 };
215 
216 struct virtchnl_proto_hdrs outer_ipv6_frag_tmplt = {
217 	TUNNEL_LEVEL_OUTER, 5,
218 	{{proto_hdr_eth, proto_hdr_svlan, proto_hdr_cvlan,
219 	  proto_hdr_ipv6, proto_hdr_ipv6_frag}}
220 };
221 
222 struct virtchnl_proto_hdrs outer_ipv6_udp_tmplt = {
223 	TUNNEL_LEVEL_OUTER, 5,
224 	{{proto_hdr_eth, proto_hdr_svlan, proto_hdr_cvlan,
225 	  proto_hdr_ipv6_with_prot,
226 	  proto_hdr_udp}}
227 };
228 
229 struct virtchnl_proto_hdrs outer_ipv6_tcp_tmplt = {
230 	TUNNEL_LEVEL_OUTER, 5,
231 	{{proto_hdr_eth, proto_hdr_svlan, proto_hdr_cvlan,
232 	  proto_hdr_ipv6_with_prot,
233 	  proto_hdr_tcp}}
234 };
235 
236 struct virtchnl_proto_hdrs outer_ipv6_sctp_tmplt = {
237 	TUNNEL_LEVEL_OUTER, 5,
238 	{{proto_hdr_eth, proto_hdr_svlan, proto_hdr_cvlan, proto_hdr_ipv6,
239 	  proto_hdr_sctp}}
240 };
241 
242 struct virtchnl_proto_hdrs inner_ipv4_tmplt = {
243 	TUNNEL_LEVEL_INNER, 1, {{proto_hdr_ipv4}}
244 };
245 
246 struct virtchnl_proto_hdrs inner_ipv4_udp_tmplt = {
247 	TUNNEL_LEVEL_INNER, 2, {{proto_hdr_ipv4_with_prot, proto_hdr_udp}}
248 };
249 
250 struct virtchnl_proto_hdrs inner_ipv4_tcp_tmplt = {
251 	TUNNEL_LEVEL_INNER, 2, {{proto_hdr_ipv4_with_prot, proto_hdr_tcp}}
252 };
253 
254 struct virtchnl_proto_hdrs second_inner_ipv4_tmplt = {
255 	2, 1, {{proto_hdr_ipv4}}
256 };
257 
258 struct virtchnl_proto_hdrs second_inner_ipv4_udp_tmplt = {
259 	2, 2, {{proto_hdr_ipv4_with_prot, proto_hdr_udp}}
260 };
261 
262 struct virtchnl_proto_hdrs second_inner_ipv4_tcp_tmplt = {
263 	2, 2, {{proto_hdr_ipv4_with_prot, proto_hdr_tcp}}
264 };
265 
266 struct virtchnl_proto_hdrs second_inner_ipv6_tmplt = {
267 	2, 1, {{proto_hdr_ipv6}}
268 };
269 
270 struct virtchnl_proto_hdrs second_inner_ipv6_udp_tmplt = {
271 	2, 2, {{proto_hdr_ipv6_with_prot, proto_hdr_udp}}
272 };
273 
274 struct virtchnl_proto_hdrs second_inner_ipv6_tcp_tmplt = {
275 	2, 2, {{proto_hdr_ipv6_with_prot, proto_hdr_tcp}}
276 };
277 
278 struct virtchnl_proto_hdrs inner_ipv4_sctp_tmplt = {
279 	TUNNEL_LEVEL_INNER, 2, {{proto_hdr_ipv4, proto_hdr_sctp}}
280 };
281 
282 struct virtchnl_proto_hdrs inner_ipv6_tmplt = {
283 	TUNNEL_LEVEL_INNER, 1, {{proto_hdr_ipv6}}
284 };
285 
286 struct virtchnl_proto_hdrs inner_ipv6_udp_tmplt = {
287 	TUNNEL_LEVEL_INNER, 2, {{proto_hdr_ipv6_with_prot, proto_hdr_udp}}
288 };
289 
290 struct virtchnl_proto_hdrs inner_ipv6_tcp_tmplt = {
291 	TUNNEL_LEVEL_INNER, 2, {{proto_hdr_ipv6_with_prot, proto_hdr_tcp}}
292 };
293 
294 struct virtchnl_proto_hdrs inner_ipv6_sctp_tmplt = {
295 	TUNNEL_LEVEL_INNER, 2, {{proto_hdr_ipv6, proto_hdr_sctp}}
296 };
297 
298 struct virtchnl_proto_hdrs ipv4_esp_tmplt = {
299 	TUNNEL_LEVEL_OUTER, 2, {{proto_hdr_ipv4, proto_hdr_esp}}
300 };
301 
302 struct virtchnl_proto_hdrs ipv4_udp_esp_tmplt = {
303 	TUNNEL_LEVEL_OUTER, 3,
304 	{{proto_hdr_ipv4, proto_hdr_udp, proto_hdr_esp}}
305 };
306 
307 struct virtchnl_proto_hdrs ipv4_ah_tmplt = {
308 	TUNNEL_LEVEL_OUTER, 2, {{proto_hdr_ipv4, proto_hdr_ah}}
309 };
310 
311 struct virtchnl_proto_hdrs ipv6_esp_tmplt = {
312 	TUNNEL_LEVEL_OUTER, 2, {{proto_hdr_ipv6, proto_hdr_esp}}
313 };
314 
315 struct virtchnl_proto_hdrs ipv6_udp_esp_tmplt = {
316 	TUNNEL_LEVEL_OUTER, 3,
317 	{{proto_hdr_ipv6, proto_hdr_udp, proto_hdr_esp}}
318 };
319 
320 struct virtchnl_proto_hdrs ipv6_ah_tmplt = {
321 	TUNNEL_LEVEL_OUTER, 2, {{proto_hdr_ipv6, proto_hdr_ah}}
322 };
323 
324 struct virtchnl_proto_hdrs ipv4_l2tpv3_tmplt = {
325 	TUNNEL_LEVEL_OUTER, 2, {{proto_hdr_ipv4, proto_hdr_l2tpv3}}
326 };
327 
328 struct virtchnl_proto_hdrs ipv6_l2tpv3_tmplt = {
329 	TUNNEL_LEVEL_OUTER, 2, {{proto_hdr_ipv6, proto_hdr_l2tpv3}}
330 };
331 
332 struct virtchnl_proto_hdrs ipv4_pfcp_tmplt = {
333 	TUNNEL_LEVEL_OUTER, 2, {{proto_hdr_ipv4, proto_hdr_pfcp}}
334 };
335 
336 struct virtchnl_proto_hdrs ipv6_pfcp_tmplt = {
337 	TUNNEL_LEVEL_OUTER, 2, {{proto_hdr_ipv6, proto_hdr_pfcp}}
338 };
339 
340 struct virtchnl_proto_hdrs ipv4_udp_gtpc_tmplt = {
341 	TUNNEL_LEVEL_OUTER, 3,
342 	{{proto_hdr_ipv4, proto_hdr_udp, proto_hdr_gtpc}}
343 };
344 
345 struct virtchnl_proto_hdrs ipv6_udp_gtpc_tmplt = {
346 	TUNNEL_LEVEL_OUTER, 3,
347 	{{proto_hdr_ipv6, proto_hdr_udp, proto_hdr_gtpc}}
348 };
349 
350 struct virtchnl_proto_hdrs eth_ecpri_tmplt = {
351 	TUNNEL_LEVEL_OUTER, 2, {{proto_hdr_eth, proto_hdr_ecpri}}
352 };
353 
354 struct virtchnl_proto_hdrs ipv4_ecpri_tmplt = {
355 	TUNNEL_LEVEL_OUTER, 3,
356 	{{proto_hdr_ipv4, proto_hdr_udp, proto_hdr_ecpri}}
357 };
358 
359 struct virtchnl_proto_hdrs udp_l2tpv2_ppp_ipv4_tmplt = {
360 	TUNNEL_LEVEL_INNER, 3,
361 	{{proto_hdr_l2tpv2,
362 	  proto_hdr_ppp,
363 	  proto_hdr_ipv4}}
364 };
365 
366 struct virtchnl_proto_hdrs udp_l2tpv2_ppp_ipv6_tmplt = {
367 	TUNNEL_LEVEL_INNER, 3,
368 	{{proto_hdr_l2tpv2,
369 	  proto_hdr_ppp,
370 	  proto_hdr_ipv6}}
371 };
372 
373 struct virtchnl_proto_hdrs udp_l2tpv2_ppp_ipv4_udp_tmplt = {
374 	TUNNEL_LEVEL_INNER, 4,
375 	{{proto_hdr_l2tpv2,
376 	  proto_hdr_ppp,
377 	  proto_hdr_ipv4_with_prot,
378 	  proto_hdr_udp}}
379 };
380 
381 struct virtchnl_proto_hdrs udp_l2tpv2_ppp_ipv4_tcp_tmplt = {
382 	TUNNEL_LEVEL_INNER, 4,
383 	{{proto_hdr_l2tpv2,
384 	  proto_hdr_ppp,
385 	  proto_hdr_ipv4_with_prot,
386 	  proto_hdr_tcp}}
387 };
388 
389 struct virtchnl_proto_hdrs udp_l2tpv2_ppp_ipv6_udp_tmplt = {
390 	TUNNEL_LEVEL_INNER, 4,
391 	{{proto_hdr_l2tpv2,
392 	  proto_hdr_ppp,
393 	  proto_hdr_ipv6_with_prot,
394 	  proto_hdr_udp}}
395 };
396 
397 struct virtchnl_proto_hdrs udp_l2tpv2_ppp_ipv6_tcp_tmplt = {
398 	TUNNEL_LEVEL_INNER, 4,
399 	{{proto_hdr_l2tpv2,
400 	  proto_hdr_ppp,
401 	  proto_hdr_ipv6_with_prot,
402 	  proto_hdr_tcp}}
403 
404 };
405 
406 struct virtchnl_proto_hdrs ipv4_l2tpv2_tmplt = {
407 	TUNNEL_LEVEL_OUTER, 4,
408 	{{proto_hdr_eth,
409 	  proto_hdr_ipv4,
410 	  proto_hdr_udp,
411 	  proto_hdr_l2tpv2}}
412 };
413 
414 struct virtchnl_proto_hdrs ipv6_l2tpv2_tmplt = {
415 	TUNNEL_LEVEL_OUTER, 4,
416 	{{proto_hdr_eth,
417 	  proto_hdr_ipv6,
418 	  proto_hdr_udp,
419 	  proto_hdr_l2tpv2}}
420 };
421 
422 struct virtchnl_proto_hdrs ipv4_l2tpv2_ppp_tmplt = {
423 	TUNNEL_LEVEL_OUTER, 5,
424 	{{proto_hdr_eth,
425 	  proto_hdr_ipv4,
426 	  proto_hdr_udp,
427 	  proto_hdr_l2tpv2,
428 	  proto_hdr_ppp}}
429 };
430 
431 struct virtchnl_proto_hdrs ipv6_l2tpv2_ppp_tmplt = {
432 	TUNNEL_LEVEL_OUTER, 5,
433 	{{proto_hdr_eth,
434 	  proto_hdr_ipv6,
435 	  proto_hdr_udp,
436 	  proto_hdr_l2tpv2,
437 	  proto_hdr_ppp}}
438 };
439 
440 /* rss type super set */
441 
442 /* IPv4 outer */
443 #define IAVF_RSS_TYPE_OUTER_IPV4	(RTE_ETH_RSS_ETH | RTE_ETH_RSS_IPV4 | \
444 					 RTE_ETH_RSS_FRAG_IPV4 | \
445 					 RTE_ETH_RSS_IPV4_CHKSUM)
446 #define IAVF_RSS_TYPE_OUTER_IPV4_UDP	(IAVF_RSS_TYPE_OUTER_IPV4 | \
447 					 RTE_ETH_RSS_NONFRAG_IPV4_UDP | \
448 					 RTE_ETH_RSS_L4_CHKSUM)
449 #define IAVF_RSS_TYPE_OUTER_IPV4_TCP	(IAVF_RSS_TYPE_OUTER_IPV4 | \
450 					 RTE_ETH_RSS_NONFRAG_IPV4_TCP | \
451 					 RTE_ETH_RSS_L4_CHKSUM)
452 #define IAVF_RSS_TYPE_OUTER_IPV4_SCTP	(IAVF_RSS_TYPE_OUTER_IPV4 | \
453 					 RTE_ETH_RSS_NONFRAG_IPV4_SCTP | \
454 					 RTE_ETH_RSS_L4_CHKSUM)
455 /* IPv6 outer */
456 #define IAVF_RSS_TYPE_OUTER_IPV6	(RTE_ETH_RSS_ETH | RTE_ETH_RSS_IPV6)
457 #define IAVF_RSS_TYPE_OUTER_IPV6_FRAG	(IAVF_RSS_TYPE_OUTER_IPV6 | \
458 					 RTE_ETH_RSS_FRAG_IPV6)
459 #define IAVF_RSS_TYPE_OUTER_IPV6_UDP	(IAVF_RSS_TYPE_OUTER_IPV6 | \
460 					 RTE_ETH_RSS_NONFRAG_IPV6_UDP | \
461 					 RTE_ETH_RSS_L4_CHKSUM)
462 #define IAVF_RSS_TYPE_OUTER_IPV6_TCP	(IAVF_RSS_TYPE_OUTER_IPV6 | \
463 					 RTE_ETH_RSS_NONFRAG_IPV6_TCP | \
464 					 RTE_ETH_RSS_L4_CHKSUM)
465 #define IAVF_RSS_TYPE_OUTER_IPV6_SCTP	(IAVF_RSS_TYPE_OUTER_IPV6 | \
466 					 RTE_ETH_RSS_NONFRAG_IPV6_SCTP | \
467 					 RTE_ETH_RSS_L4_CHKSUM)
468 /* VLAN IPV4 */
469 #define IAVF_RSS_TYPE_VLAN_IPV4		(IAVF_RSS_TYPE_OUTER_IPV4 | \
470 					 RTE_ETH_RSS_S_VLAN | RTE_ETH_RSS_C_VLAN)
471 #define IAVF_RSS_TYPE_VLAN_IPV4_UDP	(IAVF_RSS_TYPE_OUTER_IPV4_UDP | \
472 					 RTE_ETH_RSS_S_VLAN | RTE_ETH_RSS_C_VLAN)
473 #define IAVF_RSS_TYPE_VLAN_IPV4_TCP	(IAVF_RSS_TYPE_OUTER_IPV4_TCP | \
474 					 RTE_ETH_RSS_S_VLAN | RTE_ETH_RSS_C_VLAN)
475 #define IAVF_RSS_TYPE_VLAN_IPV4_SCTP	(IAVF_RSS_TYPE_OUTER_IPV4_SCTP | \
476 					 RTE_ETH_RSS_S_VLAN | RTE_ETH_RSS_C_VLAN)
477 /* VLAN IPv6 */
478 #define IAVF_RSS_TYPE_VLAN_IPV6		(IAVF_RSS_TYPE_OUTER_IPV6 | \
479 					 RTE_ETH_RSS_S_VLAN | RTE_ETH_RSS_C_VLAN)
480 #define IAVF_RSS_TYPE_VLAN_IPV6_FRAG	(IAVF_RSS_TYPE_OUTER_IPV6_FRAG | \
481 					 RTE_ETH_RSS_S_VLAN | RTE_ETH_RSS_C_VLAN)
482 #define IAVF_RSS_TYPE_VLAN_IPV6_UDP	(IAVF_RSS_TYPE_OUTER_IPV6_UDP | \
483 					 RTE_ETH_RSS_S_VLAN | RTE_ETH_RSS_C_VLAN)
484 #define IAVF_RSS_TYPE_VLAN_IPV6_TCP	(IAVF_RSS_TYPE_OUTER_IPV6_TCP | \
485 					 RTE_ETH_RSS_S_VLAN | RTE_ETH_RSS_C_VLAN)
486 #define IAVF_RSS_TYPE_VLAN_IPV6_SCTP	(IAVF_RSS_TYPE_OUTER_IPV6_SCTP | \
487 					 RTE_ETH_RSS_S_VLAN | RTE_ETH_RSS_C_VLAN)
488 /* IPv4 inner */
489 #define IAVF_RSS_TYPE_INNER_IPV4	RTE_ETH_RSS_IPV4
490 #define IAVF_RSS_TYPE_INNER_IPV4_UDP	(RTE_ETH_RSS_IPV4 | \
491 					 RTE_ETH_RSS_NONFRAG_IPV4_UDP)
492 #define IAVF_RSS_TYPE_INNER_IPV4_TCP	(RTE_ETH_RSS_IPV4 | \
493 					 RTE_ETH_RSS_NONFRAG_IPV4_TCP)
494 #define IAVF_RSS_TYPE_INNER_IPV4_SCTP	(RTE_ETH_RSS_IPV4 | \
495 					 RTE_ETH_RSS_NONFRAG_IPV4_SCTP)
496 /* IPv6 inner */
497 #define IAVF_RSS_TYPE_INNER_IPV6	RTE_ETH_RSS_IPV6
498 #define IAVF_RSS_TYPE_INNER_IPV6_UDP	(RTE_ETH_RSS_IPV6 | \
499 					 RTE_ETH_RSS_NONFRAG_IPV6_UDP)
500 #define IAVF_RSS_TYPE_INNER_IPV6_TCP	(RTE_ETH_RSS_IPV6 | \
501 					 RTE_ETH_RSS_NONFRAG_IPV6_TCP)
502 #define IAVF_RSS_TYPE_INNER_IPV6_SCTP	(RTE_ETH_RSS_IPV6 | \
503 					 RTE_ETH_RSS_NONFRAG_IPV6_SCTP)
504 /* GTPU IPv4 */
505 #define IAVF_RSS_TYPE_GTPU_IPV4		(IAVF_RSS_TYPE_INNER_IPV4 | \
506 					 RTE_ETH_RSS_GTPU)
507 #define IAVF_RSS_TYPE_GTPU_IPV4_UDP	(IAVF_RSS_TYPE_INNER_IPV4_UDP | \
508 					 RTE_ETH_RSS_GTPU)
509 #define IAVF_RSS_TYPE_GTPU_IPV4_TCP	(IAVF_RSS_TYPE_INNER_IPV4_TCP | \
510 					 RTE_ETH_RSS_GTPU)
511 /* GTPU IPv6 */
512 #define IAVF_RSS_TYPE_GTPU_IPV6		(IAVF_RSS_TYPE_INNER_IPV6 | \
513 					 RTE_ETH_RSS_GTPU)
514 #define IAVF_RSS_TYPE_GTPU_IPV6_UDP	(IAVF_RSS_TYPE_INNER_IPV6_UDP | \
515 					 RTE_ETH_RSS_GTPU)
516 #define IAVF_RSS_TYPE_GTPU_IPV6_TCP	(IAVF_RSS_TYPE_INNER_IPV6_TCP | \
517 					 RTE_ETH_RSS_GTPU)
518 /* ESP, AH, L2TPV3 and PFCP */
519 #define IAVF_RSS_TYPE_IPV4_ESP		(RTE_ETH_RSS_ESP | RTE_ETH_RSS_IPV4)
520 #define IAVF_RSS_TYPE_IPV4_AH		(RTE_ETH_RSS_AH | RTE_ETH_RSS_IPV4)
521 #define IAVF_RSS_TYPE_IPV6_ESP		(RTE_ETH_RSS_ESP | RTE_ETH_RSS_IPV6)
522 #define IAVF_RSS_TYPE_IPV6_AH		(RTE_ETH_RSS_AH | RTE_ETH_RSS_IPV6)
523 #define IAVF_RSS_TYPE_IPV4_L2TPV3	(RTE_ETH_RSS_L2TPV3 | RTE_ETH_RSS_IPV4)
524 #define IAVF_RSS_TYPE_IPV6_L2TPV3	(RTE_ETH_RSS_L2TPV3 | RTE_ETH_RSS_IPV6)
525 #define IAVF_RSS_TYPE_IPV4_PFCP		(RTE_ETH_RSS_PFCP | RTE_ETH_RSS_IPV4)
526 #define IAVF_RSS_TYPE_IPV6_PFCP		(RTE_ETH_RSS_PFCP | RTE_ETH_RSS_IPV6)
527 
528 /* L2TPv2 */
529 #define IAVF_RSS_TYPE_ETH_L2TPV2	(RTE_ETH_RSS_ETH | RTE_ETH_RSS_L2TPV2)
530 
531 /**
532  * Supported pattern for hash.
533  * The first member is pattern item type,
534  * the second member is input set mask,
535  * the third member is virtchnl_proto_hdrs template
536  */
537 static struct iavf_pattern_match_item iavf_hash_pattern_list[] = {
538 	/* IPv4 */
539 	{iavf_pattern_raw,				IAVF_INSET_NONE,		NULL},
540 	{iavf_pattern_eth_ipv4,				IAVF_RSS_TYPE_OUTER_IPV4,	&outer_ipv4_tmplt},
541 	{iavf_pattern_eth_ipv4_udp,			IAVF_RSS_TYPE_OUTER_IPV4_UDP,	&outer_ipv4_udp_tmplt},
542 	{iavf_pattern_eth_ipv4_tcp,			IAVF_RSS_TYPE_OUTER_IPV4_TCP,	&outer_ipv4_tcp_tmplt},
543 	{iavf_pattern_eth_ipv4_sctp,			IAVF_RSS_TYPE_OUTER_IPV4_SCTP,	&outer_ipv4_sctp_tmplt},
544 	{iavf_pattern_eth_vlan_ipv4,			IAVF_RSS_TYPE_VLAN_IPV4,	&outer_ipv4_tmplt},
545 	{iavf_pattern_eth_vlan_ipv4_udp,		IAVF_RSS_TYPE_VLAN_IPV4_UDP,	&outer_ipv4_udp_tmplt},
546 	{iavf_pattern_eth_vlan_ipv4_tcp,		IAVF_RSS_TYPE_VLAN_IPV4_TCP,	&outer_ipv4_tcp_tmplt},
547 	{iavf_pattern_eth_vlan_ipv4_sctp,		IAVF_RSS_TYPE_VLAN_IPV4_SCTP,	&outer_ipv4_sctp_tmplt},
548 	{iavf_pattern_eth_ipv4_gtpu,			RTE_ETH_RSS_IPV4,			&outer_ipv4_udp_tmplt},
549 	{iavf_pattern_eth_ipv4_gtpu_ipv4,		IAVF_RSS_TYPE_GTPU_IPV4,	&inner_ipv4_tmplt},
550 	{iavf_pattern_eth_ipv4_gtpu_ipv4_udp,		IAVF_RSS_TYPE_GTPU_IPV4_UDP,	&inner_ipv4_udp_tmplt},
551 	{iavf_pattern_eth_ipv4_gtpu_ipv4_tcp,		IAVF_RSS_TYPE_GTPU_IPV4_TCP,	&inner_ipv4_tcp_tmplt},
552 	{iavf_pattern_eth_ipv6_gtpu_ipv4,		IAVF_RSS_TYPE_GTPU_IPV4,	&inner_ipv4_tmplt},
553 	{iavf_pattern_eth_ipv6_gtpu_ipv4_udp,		IAVF_RSS_TYPE_GTPU_IPV4_UDP,	&inner_ipv4_udp_tmplt},
554 	{iavf_pattern_eth_ipv6_gtpu_ipv4_tcp,		IAVF_RSS_TYPE_GTPU_IPV4_TCP,	&inner_ipv4_tcp_tmplt},
555 	{iavf_pattern_eth_ipv4_gtpu_eh_ipv4,		IAVF_RSS_TYPE_GTPU_IPV4,	&inner_ipv4_tmplt},
556 	{iavf_pattern_eth_ipv4_gtpu_eh_ipv4_udp,	IAVF_RSS_TYPE_GTPU_IPV4_UDP,	&inner_ipv4_udp_tmplt},
557 	{iavf_pattern_eth_ipv4_gtpu_eh_ipv4_tcp,	IAVF_RSS_TYPE_GTPU_IPV4_TCP,	&inner_ipv4_tcp_tmplt},
558 	{iavf_pattern_eth_ipv6_gtpu_eh_ipv4,		IAVF_RSS_TYPE_GTPU_IPV4,	&inner_ipv4_tmplt},
559 	{iavf_pattern_eth_ipv6_gtpu_eh_ipv4_udp,	IAVF_RSS_TYPE_GTPU_IPV4_UDP,	&inner_ipv4_udp_tmplt},
560 	{iavf_pattern_eth_ipv6_gtpu_eh_ipv4_tcp,	IAVF_RSS_TYPE_GTPU_IPV4_TCP,	&inner_ipv4_tcp_tmplt},
561 	{iavf_pattern_eth_ipv4_gre_ipv4_gtpu_ipv4,		IAVF_RSS_TYPE_GTPU_IPV4,	&second_inner_ipv4_tmplt},
562 	{iavf_pattern_eth_ipv4_gre_ipv4_gtpu_ipv4_udp,		IAVF_RSS_TYPE_GTPU_IPV4_UDP,	&second_inner_ipv4_udp_tmplt},
563 	{iavf_pattern_eth_ipv4_gre_ipv4_gtpu_ipv4_tcp,		IAVF_RSS_TYPE_GTPU_IPV4_TCP,	&second_inner_ipv4_tcp_tmplt},
564 	{iavf_pattern_eth_ipv4_gre_ipv6_gtpu_ipv4,		IAVF_RSS_TYPE_GTPU_IPV4,	&second_inner_ipv4_tmplt},
565 	{iavf_pattern_eth_ipv4_gre_ipv6_gtpu_ipv4_udp,		IAVF_RSS_TYPE_GTPU_IPV4_UDP,	&second_inner_ipv4_udp_tmplt},
566 	{iavf_pattern_eth_ipv4_gre_ipv6_gtpu_ipv4_tcp,		IAVF_RSS_TYPE_GTPU_IPV4_TCP,	&second_inner_ipv4_tcp_tmplt},
567 	{iavf_pattern_eth_ipv6_gre_ipv4_gtpu_ipv4,		IAVF_RSS_TYPE_GTPU_IPV4,	&second_inner_ipv4_tmplt},
568 	{iavf_pattern_eth_ipv6_gre_ipv4_gtpu_ipv4_udp,		IAVF_RSS_TYPE_GTPU_IPV4_UDP,	&second_inner_ipv4_udp_tmplt},
569 	{iavf_pattern_eth_ipv6_gre_ipv4_gtpu_ipv4_tcp,		IAVF_RSS_TYPE_GTPU_IPV4_TCP,	&second_inner_ipv4_tcp_tmplt},
570 	{iavf_pattern_eth_ipv6_gre_ipv6_gtpu_ipv4,		IAVF_RSS_TYPE_GTPU_IPV4,	&second_inner_ipv4_tmplt},
571 	{iavf_pattern_eth_ipv6_gre_ipv6_gtpu_ipv4_udp,		IAVF_RSS_TYPE_GTPU_IPV4_UDP,	&second_inner_ipv4_udp_tmplt},
572 	{iavf_pattern_eth_ipv6_gre_ipv6_gtpu_ipv4_tcp,		IAVF_RSS_TYPE_GTPU_IPV4_TCP,	&second_inner_ipv4_tcp_tmplt},
573 	{iavf_pattern_eth_ipv4_gre_ipv4_gtpu_eh_ipv4,		IAVF_RSS_TYPE_GTPU_IPV4,	&second_inner_ipv4_tmplt},
574 	{iavf_pattern_eth_ipv4_gre_ipv4_gtpu_eh_ipv4_udp,	IAVF_RSS_TYPE_GTPU_IPV4_UDP,	&second_inner_ipv4_udp_tmplt},
575 	{iavf_pattern_eth_ipv4_gre_ipv4_gtpu_eh_ipv4_tcp,	IAVF_RSS_TYPE_GTPU_IPV4_TCP,	&second_inner_ipv4_tcp_tmplt},
576 	{iavf_pattern_eth_ipv4_gre_ipv6_gtpu_eh_ipv4,		IAVF_RSS_TYPE_GTPU_IPV4,	&second_inner_ipv4_tmplt},
577 	{iavf_pattern_eth_ipv4_gre_ipv6_gtpu_eh_ipv4_udp,	IAVF_RSS_TYPE_GTPU_IPV4_UDP,	&second_inner_ipv4_udp_tmplt},
578 	{iavf_pattern_eth_ipv4_gre_ipv6_gtpu_eh_ipv4_tcp,	IAVF_RSS_TYPE_GTPU_IPV4_TCP,	&second_inner_ipv4_tcp_tmplt},
579 	{iavf_pattern_eth_ipv6_gre_ipv4_gtpu_eh_ipv4,		IAVF_RSS_TYPE_GTPU_IPV4,	&second_inner_ipv4_tmplt},
580 	{iavf_pattern_eth_ipv6_gre_ipv4_gtpu_eh_ipv4_udp,	IAVF_RSS_TYPE_GTPU_IPV4_UDP,	&second_inner_ipv4_udp_tmplt},
581 	{iavf_pattern_eth_ipv6_gre_ipv4_gtpu_eh_ipv4_tcp,	IAVF_RSS_TYPE_GTPU_IPV4_TCP,	&second_inner_ipv4_tcp_tmplt},
582 	{iavf_pattern_eth_ipv6_gre_ipv6_gtpu_eh_ipv4,		IAVF_RSS_TYPE_GTPU_IPV4,	&second_inner_ipv4_tmplt},
583 	{iavf_pattern_eth_ipv6_gre_ipv6_gtpu_eh_ipv4_udp,	IAVF_RSS_TYPE_GTPU_IPV4_UDP,	&second_inner_ipv4_udp_tmplt},
584 	{iavf_pattern_eth_ipv6_gre_ipv6_gtpu_eh_ipv4_tcp,	IAVF_RSS_TYPE_GTPU_IPV4_TCP,	&second_inner_ipv4_tcp_tmplt},
585 	{iavf_pattern_eth_ipv4_esp,			IAVF_RSS_TYPE_IPV4_ESP,		&ipv4_esp_tmplt},
586 	{iavf_pattern_eth_ipv4_udp_esp,			IAVF_RSS_TYPE_IPV4_ESP,		&ipv4_udp_esp_tmplt},
587 	{iavf_pattern_eth_ipv4_ah,			IAVF_RSS_TYPE_IPV4_AH,		&ipv4_ah_tmplt},
588 	{iavf_pattern_eth_ipv4_l2tpv3,			IAVF_RSS_TYPE_IPV4_L2TPV3,	&ipv4_l2tpv3_tmplt},
589 	{iavf_pattern_eth_ipv4_pfcp,			IAVF_RSS_TYPE_IPV4_PFCP,	&ipv4_pfcp_tmplt},
590 	{iavf_pattern_eth_ipv4_gtpc,			RTE_ETH_RSS_IPV4,			&ipv4_udp_gtpc_tmplt},
591 	{iavf_pattern_eth_ecpri,			RTE_ETH_RSS_ECPRI,			&eth_ecpri_tmplt},
592 	{iavf_pattern_eth_ipv4_ecpri,			RTE_ETH_RSS_ECPRI,			&ipv4_ecpri_tmplt},
593 	{iavf_pattern_eth_ipv4_gre_ipv4,		IAVF_RSS_TYPE_INNER_IPV4,	&inner_ipv4_tmplt},
594 	{iavf_pattern_eth_ipv6_gre_ipv4,		IAVF_RSS_TYPE_INNER_IPV4, &inner_ipv4_tmplt},
595 	{iavf_pattern_eth_ipv4_gre_ipv4_tcp,	IAVF_RSS_TYPE_INNER_IPV4_TCP, &inner_ipv4_tcp_tmplt},
596 	{iavf_pattern_eth_ipv6_gre_ipv4_tcp,	IAVF_RSS_TYPE_INNER_IPV4_TCP, &inner_ipv4_tcp_tmplt},
597 	{iavf_pattern_eth_ipv4_gre_ipv4_udp,	IAVF_RSS_TYPE_INNER_IPV4_UDP, &inner_ipv4_udp_tmplt},
598 	{iavf_pattern_eth_ipv6_gre_ipv4_udp,	IAVF_RSS_TYPE_INNER_IPV4_UDP, &inner_ipv4_udp_tmplt},
599 	{iavf_pattern_eth_ipv4_udp_l2tpv2,		IAVF_RSS_TYPE_ETH_L2TPV2,	&ipv4_l2tpv2_tmplt},
600 	{iavf_pattern_eth_ipv4_udp_l2tpv2_ppp,		IAVF_RSS_TYPE_ETH_L2TPV2,	&ipv4_l2tpv2_ppp_tmplt},
601 	{iavf_pattern_eth_ipv4_udp_l2tpv2_ppp_ipv4,	IAVF_RSS_TYPE_INNER_IPV4,	&udp_l2tpv2_ppp_ipv4_tmplt},
602 	{iavf_pattern_eth_ipv4_udp_l2tpv2_ppp_ipv4_udp,	IAVF_RSS_TYPE_INNER_IPV4_UDP,	&udp_l2tpv2_ppp_ipv4_udp_tmplt},
603 	{iavf_pattern_eth_ipv4_udp_l2tpv2_ppp_ipv4_tcp,	IAVF_RSS_TYPE_INNER_IPV4_TCP,	&udp_l2tpv2_ppp_ipv4_tcp_tmplt},
604 	{iavf_pattern_eth_ipv6_udp_l2tpv2_ppp_ipv4,	IAVF_RSS_TYPE_INNER_IPV4,	&udp_l2tpv2_ppp_ipv4_tmplt},
605 	{iavf_pattern_eth_ipv6_udp_l2tpv2_ppp_ipv4_udp,	IAVF_RSS_TYPE_INNER_IPV4_UDP,	&udp_l2tpv2_ppp_ipv4_udp_tmplt},
606 	{iavf_pattern_eth_ipv6_udp_l2tpv2_ppp_ipv4_tcp,	IAVF_RSS_TYPE_INNER_IPV4_TCP,	&udp_l2tpv2_ppp_ipv4_tcp_tmplt},
607 
608 	/* IPv6 */
609 	{iavf_pattern_eth_ipv6,				IAVF_RSS_TYPE_OUTER_IPV6,	&outer_ipv6_tmplt},
610 	{iavf_pattern_eth_ipv6_frag_ext,		IAVF_RSS_TYPE_OUTER_IPV6_FRAG,	&outer_ipv6_frag_tmplt},
611 	{iavf_pattern_eth_ipv6_udp,			IAVF_RSS_TYPE_OUTER_IPV6_UDP,	&outer_ipv6_udp_tmplt},
612 	{iavf_pattern_eth_ipv6_tcp,			IAVF_RSS_TYPE_OUTER_IPV6_TCP,	&outer_ipv6_tcp_tmplt},
613 	{iavf_pattern_eth_ipv6_sctp,			IAVF_RSS_TYPE_OUTER_IPV6_SCTP,	&outer_ipv6_sctp_tmplt},
614 	{iavf_pattern_eth_vlan_ipv6,			IAVF_RSS_TYPE_VLAN_IPV6,	&outer_ipv6_tmplt},
615 	{iavf_pattern_eth_vlan_ipv6_frag_ext,		IAVF_RSS_TYPE_OUTER_IPV6_FRAG,	&outer_ipv6_frag_tmplt},
616 	{iavf_pattern_eth_vlan_ipv6_udp,		IAVF_RSS_TYPE_VLAN_IPV6_UDP,	&outer_ipv6_udp_tmplt},
617 	{iavf_pattern_eth_vlan_ipv6_tcp,		IAVF_RSS_TYPE_VLAN_IPV6_TCP,	&outer_ipv6_tcp_tmplt},
618 	{iavf_pattern_eth_vlan_ipv6_sctp,		IAVF_RSS_TYPE_VLAN_IPV6_SCTP,	&outer_ipv6_sctp_tmplt},
619 	{iavf_pattern_eth_ipv6_gtpu,			RTE_ETH_RSS_IPV6,			&outer_ipv6_udp_tmplt},
620 	{iavf_pattern_eth_ipv4_gtpu_ipv6,		IAVF_RSS_TYPE_GTPU_IPV6,	&inner_ipv6_tmplt},
621 	{iavf_pattern_eth_ipv4_gtpu_ipv6_udp,		IAVF_RSS_TYPE_GTPU_IPV6_UDP,	&inner_ipv6_udp_tmplt},
622 	{iavf_pattern_eth_ipv4_gtpu_ipv6_tcp,		IAVF_RSS_TYPE_GTPU_IPV6_TCP,	&inner_ipv6_tcp_tmplt},
623 	{iavf_pattern_eth_ipv6_gtpu_ipv6,		IAVF_RSS_TYPE_GTPU_IPV6,	&inner_ipv6_tmplt},
624 	{iavf_pattern_eth_ipv6_gtpu_ipv6_udp,		IAVF_RSS_TYPE_GTPU_IPV6_UDP,	&inner_ipv6_udp_tmplt},
625 	{iavf_pattern_eth_ipv6_gtpu_ipv6_tcp,		IAVF_RSS_TYPE_GTPU_IPV6_TCP,	&inner_ipv6_tcp_tmplt},
626 	{iavf_pattern_eth_ipv4_gtpu_eh_ipv6,		IAVF_RSS_TYPE_GTPU_IPV6,	&inner_ipv6_tmplt},
627 	{iavf_pattern_eth_ipv4_gtpu_eh_ipv6_udp,	IAVF_RSS_TYPE_GTPU_IPV6_UDP,	&inner_ipv6_udp_tmplt},
628 	{iavf_pattern_eth_ipv4_gtpu_eh_ipv6_tcp,	IAVF_RSS_TYPE_GTPU_IPV6_TCP,	&inner_ipv6_tcp_tmplt},
629 	{iavf_pattern_eth_ipv6_gtpu_eh_ipv6,		IAVF_RSS_TYPE_GTPU_IPV6,	&inner_ipv6_tmplt},
630 	{iavf_pattern_eth_ipv6_gtpu_eh_ipv6_udp,	IAVF_RSS_TYPE_GTPU_IPV6_UDP,	&inner_ipv6_udp_tmplt},
631 	{iavf_pattern_eth_ipv6_gtpu_eh_ipv6_tcp,	IAVF_RSS_TYPE_GTPU_IPV6_TCP,	&inner_ipv6_tcp_tmplt},
632 	{iavf_pattern_eth_ipv4_gre_ipv4_gtpu_ipv6,		IAVF_RSS_TYPE_GTPU_IPV6,	&second_inner_ipv6_tmplt},
633 	{iavf_pattern_eth_ipv4_gre_ipv4_gtpu_ipv6_udp,		IAVF_RSS_TYPE_GTPU_IPV6_UDP,	&second_inner_ipv6_udp_tmplt},
634 	{iavf_pattern_eth_ipv4_gre_ipv4_gtpu_ipv6_tcp,		IAVF_RSS_TYPE_GTPU_IPV6_TCP,	&second_inner_ipv6_tcp_tmplt},
635 	{iavf_pattern_eth_ipv4_gre_ipv6_gtpu_ipv6,		IAVF_RSS_TYPE_GTPU_IPV6,	&second_inner_ipv6_tmplt},
636 	{iavf_pattern_eth_ipv4_gre_ipv6_gtpu_ipv6_udp,		IAVF_RSS_TYPE_GTPU_IPV6_UDP,	&second_inner_ipv6_udp_tmplt},
637 	{iavf_pattern_eth_ipv4_gre_ipv6_gtpu_ipv6_tcp,		IAVF_RSS_TYPE_GTPU_IPV6_TCP,	&second_inner_ipv6_tcp_tmplt},
638 	{iavf_pattern_eth_ipv6_gre_ipv4_gtpu_ipv6,		IAVF_RSS_TYPE_GTPU_IPV6,	&second_inner_ipv6_tmplt},
639 	{iavf_pattern_eth_ipv6_gre_ipv4_gtpu_ipv6_udp,		IAVF_RSS_TYPE_GTPU_IPV6_UDP,	&second_inner_ipv6_udp_tmplt},
640 	{iavf_pattern_eth_ipv6_gre_ipv4_gtpu_ipv6_tcp,		IAVF_RSS_TYPE_GTPU_IPV6_TCP,	&second_inner_ipv6_tcp_tmplt},
641 	{iavf_pattern_eth_ipv6_gre_ipv6_gtpu_ipv6,		IAVF_RSS_TYPE_GTPU_IPV6,	&second_inner_ipv6_tmplt},
642 	{iavf_pattern_eth_ipv6_gre_ipv6_gtpu_ipv6_udp,		IAVF_RSS_TYPE_GTPU_IPV6_UDP,	&second_inner_ipv6_udp_tmplt},
643 	{iavf_pattern_eth_ipv6_gre_ipv6_gtpu_ipv6_tcp,		IAVF_RSS_TYPE_GTPU_IPV6_TCP,	&second_inner_ipv6_tcp_tmplt},
644 	{iavf_pattern_eth_ipv4_gre_ipv4_gtpu_eh_ipv6,		IAVF_RSS_TYPE_GTPU_IPV6,	&second_inner_ipv6_tmplt},
645 	{iavf_pattern_eth_ipv4_gre_ipv4_gtpu_eh_ipv6_udp,	IAVF_RSS_TYPE_GTPU_IPV6_UDP,	&second_inner_ipv6_udp_tmplt},
646 	{iavf_pattern_eth_ipv4_gre_ipv4_gtpu_eh_ipv6_tcp,	IAVF_RSS_TYPE_GTPU_IPV6_TCP,	&second_inner_ipv6_tcp_tmplt},
647 	{iavf_pattern_eth_ipv4_gre_ipv6_gtpu_eh_ipv6,		IAVF_RSS_TYPE_GTPU_IPV6,	&second_inner_ipv6_tmplt},
648 	{iavf_pattern_eth_ipv4_gre_ipv6_gtpu_eh_ipv6_udp,	IAVF_RSS_TYPE_GTPU_IPV6_UDP,	&second_inner_ipv6_udp_tmplt},
649 	{iavf_pattern_eth_ipv4_gre_ipv6_gtpu_eh_ipv6_tcp,	IAVF_RSS_TYPE_GTPU_IPV6_TCP,	&second_inner_ipv6_tcp_tmplt},
650 	{iavf_pattern_eth_ipv6_gre_ipv4_gtpu_eh_ipv6,		IAVF_RSS_TYPE_GTPU_IPV6,	&second_inner_ipv6_tmplt},
651 	{iavf_pattern_eth_ipv6_gre_ipv4_gtpu_eh_ipv6_udp,	IAVF_RSS_TYPE_GTPU_IPV6_UDP,	&second_inner_ipv6_udp_tmplt},
652 	{iavf_pattern_eth_ipv6_gre_ipv4_gtpu_eh_ipv6_tcp,	IAVF_RSS_TYPE_GTPU_IPV6_TCP,	&second_inner_ipv6_tcp_tmplt},
653 	{iavf_pattern_eth_ipv6_gre_ipv6_gtpu_eh_ipv6,		IAVF_RSS_TYPE_GTPU_IPV6,	&second_inner_ipv6_tmplt},
654 	{iavf_pattern_eth_ipv6_gre_ipv6_gtpu_eh_ipv6_udp,	IAVF_RSS_TYPE_GTPU_IPV6_UDP,	&second_inner_ipv6_udp_tmplt},
655 	{iavf_pattern_eth_ipv6_gre_ipv6_gtpu_eh_ipv6_tcp,	IAVF_RSS_TYPE_GTPU_IPV6_TCP,	&second_inner_ipv6_tcp_tmplt},
656 	{iavf_pattern_eth_ipv6_esp,			IAVF_RSS_TYPE_IPV6_ESP,		&ipv6_esp_tmplt},
657 	{iavf_pattern_eth_ipv6_udp_esp,			IAVF_RSS_TYPE_IPV6_ESP,		&ipv6_udp_esp_tmplt},
658 	{iavf_pattern_eth_ipv6_ah,			IAVF_RSS_TYPE_IPV6_AH,		&ipv6_ah_tmplt},
659 	{iavf_pattern_eth_ipv6_l2tpv3,			IAVF_RSS_TYPE_IPV6_L2TPV3,	&ipv6_l2tpv3_tmplt},
660 	{iavf_pattern_eth_ipv6_pfcp,			IAVF_RSS_TYPE_IPV6_PFCP,	&ipv6_pfcp_tmplt},
661 	{iavf_pattern_eth_ipv6_gtpc,			RTE_ETH_RSS_IPV6,			&ipv6_udp_gtpc_tmplt},
662 	{iavf_pattern_eth_ipv4_gre_ipv6,		IAVF_RSS_TYPE_INNER_IPV6,	&inner_ipv6_tmplt},
663 	{iavf_pattern_eth_ipv6_gre_ipv6,		IAVF_RSS_TYPE_INNER_IPV6, &inner_ipv6_tmplt},
664 	{iavf_pattern_eth_ipv4_gre_ipv6_tcp,	IAVF_RSS_TYPE_INNER_IPV6_TCP, &inner_ipv6_tcp_tmplt},
665 	{iavf_pattern_eth_ipv6_gre_ipv6_tcp,	IAVF_RSS_TYPE_INNER_IPV6_TCP, &inner_ipv6_tcp_tmplt},
666 	{iavf_pattern_eth_ipv4_gre_ipv6_udp,	IAVF_RSS_TYPE_INNER_IPV6_UDP, &inner_ipv6_udp_tmplt},
667 	{iavf_pattern_eth_ipv6_gre_ipv6_udp,	IAVF_RSS_TYPE_INNER_IPV6_UDP, &inner_ipv6_udp_tmplt},
668 	{iavf_pattern_eth_ipv6_udp_l2tpv2,		IAVF_RSS_TYPE_ETH_L2TPV2,	&ipv6_l2tpv2_tmplt},
669 	{iavf_pattern_eth_ipv6_udp_l2tpv2_ppp,		IAVF_RSS_TYPE_ETH_L2TPV2,	&ipv6_l2tpv2_ppp_tmplt},
670 	{iavf_pattern_eth_ipv4_udp_l2tpv2_ppp_ipv6,	IAVF_RSS_TYPE_INNER_IPV6,	&udp_l2tpv2_ppp_ipv6_tmplt},
671 	{iavf_pattern_eth_ipv4_udp_l2tpv2_ppp_ipv6_udp,	IAVF_RSS_TYPE_INNER_IPV6_UDP,	&udp_l2tpv2_ppp_ipv6_udp_tmplt},
672 	{iavf_pattern_eth_ipv4_udp_l2tpv2_ppp_ipv6_tcp,	IAVF_RSS_TYPE_INNER_IPV6_TCP,	&udp_l2tpv2_ppp_ipv6_tcp_tmplt},
673 	{iavf_pattern_eth_ipv6_udp_l2tpv2_ppp_ipv6,	IAVF_RSS_TYPE_INNER_IPV6,	&udp_l2tpv2_ppp_ipv6_tmplt},
674 	{iavf_pattern_eth_ipv6_udp_l2tpv2_ppp_ipv6_udp,	IAVF_RSS_TYPE_INNER_IPV6_UDP,	&udp_l2tpv2_ppp_ipv6_udp_tmplt},
675 	{iavf_pattern_eth_ipv6_udp_l2tpv2_ppp_ipv6_tcp,	IAVF_RSS_TYPE_INNER_IPV6_TCP,	&udp_l2tpv2_ppp_ipv6_tcp_tmplt},
676 
677 };
678 
679 static struct iavf_flow_engine iavf_hash_engine = {
680 	.init = iavf_hash_init,
681 	.create = iavf_hash_create,
682 	.destroy = iavf_hash_destroy,
683 	.uninit = iavf_hash_uninit,
684 	.free = iavf_hash_free,
685 	.type = IAVF_FLOW_ENGINE_HASH,
686 };
687 
688 /* Register parser for comms package. */
689 static struct iavf_flow_parser iavf_hash_parser = {
690 	.engine = &iavf_hash_engine,
691 	.array = iavf_hash_pattern_list,
692 	.array_len = RTE_DIM(iavf_hash_pattern_list),
693 	.parse_pattern_action = iavf_hash_parse_pattern_action,
694 	.stage = IAVF_FLOW_STAGE_RSS,
695 };
696 
697 int
698 iavf_rss_hash_set(struct iavf_adapter *ad, uint64_t rss_hf, bool add)
699 {
700 	struct iavf_info *vf =  IAVF_DEV_PRIVATE_TO_VF(ad);
701 	struct virtchnl_rss_cfg rss_cfg;
702 
703 #define IAVF_RSS_HF_ALL ( \
704 	RTE_ETH_RSS_IPV4 | \
705 	RTE_ETH_RSS_IPV6 | \
706 	RTE_ETH_RSS_NONFRAG_IPV4_UDP | \
707 	RTE_ETH_RSS_NONFRAG_IPV6_UDP | \
708 	RTE_ETH_RSS_NONFRAG_IPV4_TCP | \
709 	RTE_ETH_RSS_NONFRAG_IPV6_TCP | \
710 	RTE_ETH_RSS_NONFRAG_IPV4_SCTP | \
711 	RTE_ETH_RSS_NONFRAG_IPV6_SCTP)
712 
713 	rss_cfg.rss_algorithm = VIRTCHNL_RSS_ALG_TOEPLITZ_ASYMMETRIC;
714 	if (rss_hf & RTE_ETH_RSS_IPV4) {
715 		rss_cfg.proto_hdrs = inner_ipv4_tmplt;
716 		iavf_add_del_rss_cfg(ad, &rss_cfg, add);
717 	}
718 
719 	if (rss_hf & RTE_ETH_RSS_NONFRAG_IPV4_UDP) {
720 		rss_cfg.proto_hdrs = inner_ipv4_udp_tmplt;
721 		iavf_add_del_rss_cfg(ad, &rss_cfg, add);
722 	}
723 
724 	if (rss_hf & RTE_ETH_RSS_NONFRAG_IPV4_TCP) {
725 		rss_cfg.proto_hdrs = inner_ipv4_tcp_tmplt;
726 		iavf_add_del_rss_cfg(ad, &rss_cfg, add);
727 	}
728 
729 	if (rss_hf & RTE_ETH_RSS_NONFRAG_IPV4_SCTP) {
730 		rss_cfg.proto_hdrs = inner_ipv4_sctp_tmplt;
731 		iavf_add_del_rss_cfg(ad, &rss_cfg, add);
732 	}
733 
734 	if (rss_hf & RTE_ETH_RSS_IPV6) {
735 		rss_cfg.proto_hdrs = inner_ipv6_tmplt;
736 		iavf_add_del_rss_cfg(ad, &rss_cfg, add);
737 	}
738 
739 	if (rss_hf & RTE_ETH_RSS_NONFRAG_IPV6_UDP) {
740 		rss_cfg.proto_hdrs = inner_ipv6_udp_tmplt;
741 		iavf_add_del_rss_cfg(ad, &rss_cfg, add);
742 	}
743 
744 	if (rss_hf & RTE_ETH_RSS_NONFRAG_IPV6_TCP) {
745 		rss_cfg.proto_hdrs = inner_ipv6_tcp_tmplt;
746 		iavf_add_del_rss_cfg(ad, &rss_cfg, add);
747 	}
748 
749 	if (rss_hf & RTE_ETH_RSS_NONFRAG_IPV6_SCTP) {
750 		rss_cfg.proto_hdrs = inner_ipv6_sctp_tmplt;
751 		iavf_add_del_rss_cfg(ad, &rss_cfg, add);
752 	}
753 
754 	vf->rss_hf = rss_hf & IAVF_RSS_HF_ALL;
755 	return 0;
756 }
757 
758 RTE_INIT(iavf_hash_engine_init)
759 {
760 	struct iavf_flow_engine *engine = &iavf_hash_engine;
761 
762 	iavf_register_flow_engine(engine);
763 }
764 
765 static int
766 iavf_hash_init(struct iavf_adapter *ad)
767 {
768 	struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(ad);
769 	struct iavf_flow_parser *parser;
770 	int ret;
771 
772 	if (vf->vf_reset)
773 		return -EIO;
774 
775 	if (!vf->vf_res)
776 		return -EINVAL;
777 
778 	if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF))
779 		return -ENOTSUP;
780 
781 	parser = &iavf_hash_parser;
782 
783 	ret = iavf_register_parser(parser, ad);
784 	if (ret) {
785 		PMD_DRV_LOG(ERR, "fail to register hash parser");
786 		return ret;
787 	}
788 
789 	return ret;
790 }
791 
792 static int
793 iavf_hash_parse_pattern(const struct rte_flow_item pattern[], uint64_t *phint,
794 			struct rte_flow_error *error)
795 {
796 	const struct rte_flow_item *item = pattern;
797 	const struct rte_flow_item_gtp_psc *psc;
798 	const struct rte_flow_item_ecpri *ecpri;
799 	struct rte_ecpri_common_hdr ecpri_common;
800 	const struct rte_flow_item_l2tpv2 *l2tpv2;
801 	uint16_t flags_version;
802 
803 	for (item = pattern; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
804 		if (item->last) {
805 			rte_flow_error_set(error, EINVAL,
806 					   RTE_FLOW_ERROR_TYPE_ITEM, item,
807 					   "Not support range");
808 			return -rte_errno;
809 		}
810 
811 		switch (item->type) {
812 		case RTE_FLOW_ITEM_TYPE_RAW:
813 			*phint |= IAVF_PHINT_RAW;
814 			break;
815 		case RTE_FLOW_ITEM_TYPE_IPV4:
816 			if (!(*phint & IAVF_PHINT_GTPU_MSK) &&
817 			    !(*phint & IAVF_PHINT_GRE) &&
818 			    !(*phint & IAVF_PHINT_L2TPV2))
819 				*phint |= IAVF_PHINT_OUTER_IPV4;
820 			if ((*phint & IAVF_PHINT_GRE) && !(*phint & IAVF_PHINT_GTPU_MSK))
821 				*phint |= IAVF_PHINT_MID_IPV4;
822 			break;
823 		case RTE_FLOW_ITEM_TYPE_IPV6:
824 			if (!(*phint & IAVF_PHINT_GTPU_MSK) &&
825 			    !(*phint & IAVF_PHINT_GRE) &&
826 			    !(*phint & IAVF_PHINT_L2TPV2))
827 				*phint |= IAVF_PHINT_OUTER_IPV6;
828 			if ((*phint & IAVF_PHINT_GRE) && !(*phint & IAVF_PHINT_GTPU_MSK))
829 				*phint |= IAVF_PHINT_MID_IPV6;
830 			break;
831 		case RTE_FLOW_ITEM_TYPE_GTPU:
832 			*phint |= IAVF_PHINT_GTPU;
833 			break;
834 		case RTE_FLOW_ITEM_TYPE_GTP_PSC:
835 			*phint |= IAVF_PHINT_GTPU_EH;
836 			psc = item->spec;
837 			if (!psc)
838 				break;
839 			else if (psc->hdr.type == IAVF_GTPU_EH_UPLINK)
840 				*phint |= IAVF_PHINT_GTPU_EH_UP;
841 			else if (psc->hdr.type == IAVF_GTPU_EH_DWNLINK)
842 				*phint |= IAVF_PHINT_GTPU_EH_DWN;
843 			break;
844 		case RTE_FLOW_ITEM_TYPE_ECPRI:
845 			ecpri = item->spec;
846 			if (!ecpri)
847 				break;
848 
849 			ecpri_common.u32 = rte_be_to_cpu_32(ecpri->hdr.common.u32);
850 
851 			if (ecpri_common.type !=
852 				 RTE_ECPRI_MSG_TYPE_IQ_DATA) {
853 				rte_flow_error_set(error, EINVAL,
854 					RTE_FLOW_ERROR_TYPE_ITEM, item,
855 					"Unsupported common type.");
856 				return -rte_errno;
857 			}
858 			break;
859 		case RTE_FLOW_ITEM_TYPE_GRE:
860 			*phint |= IAVF_PHINT_GRE;
861 			break;
862 		case RTE_FLOW_ITEM_TYPE_L2TPV2:
863 			l2tpv2 = item->spec;
864 
865 			if (l2tpv2) {
866 				flags_version =
867 					rte_be_to_cpu_16(l2tpv2->hdr.common.flags_version);
868 				if (flags_version & IAVF_L2TPV2_FLAGS_LEN)
869 					*phint |= IAVF_PHINT_L2TPV2_LEN;
870 				else
871 					*phint |= IAVF_PHINT_L2TPV2;
872 			} else {
873 				*phint |= IAVF_PHINT_L2TPV2;
874 			}
875 			break;
876 		default:
877 			break;
878 		}
879 	}
880 
881 	return 0;
882 }
883 
884 static int
885 iavf_hash_parse_raw_pattern(const struct rte_flow_item *item,
886 			struct iavf_rss_meta *meta)
887 {
888 	const struct rte_flow_item_raw *raw_spec, *raw_mask;
889 	uint16_t spec_len, pkt_len;
890 	uint8_t *pkt_buf, *msk_buf;
891 	uint8_t tmp_val = 0;
892 	uint8_t tmp_c = 0;
893 	int i, j;
894 
895 	raw_spec = item->spec;
896 	raw_mask = item->mask;
897 
898 	spec_len = strlen((char *)(uintptr_t)raw_spec->pattern);
899 	if (strlen((char *)(uintptr_t)raw_mask->pattern) !=
900 		spec_len)
901 		return -rte_errno;
902 
903 	pkt_len = spec_len / 2;
904 
905 	pkt_buf = rte_zmalloc(NULL, pkt_len, 0);
906 	if (!pkt_buf)
907 		return -ENOMEM;
908 
909 	msk_buf = rte_zmalloc(NULL, pkt_len, 0);
910 	if (!msk_buf)
911 		return -ENOMEM;
912 
913 	/* convert string to int array */
914 	for (i = 0, j = 0; i < spec_len; i += 2, j++) {
915 		tmp_c = raw_spec->pattern[i];
916 		if (tmp_c >= 'a' && tmp_c <= 'f')
917 			tmp_val = tmp_c - 'a' + 10;
918 		if (tmp_c >= 'A' && tmp_c <= 'F')
919 			tmp_val = tmp_c - 'A' + 10;
920 		if (tmp_c >= '0' && tmp_c <= '9')
921 			tmp_val = tmp_c - '0';
922 
923 		tmp_c = raw_spec->pattern[i + 1];
924 		if (tmp_c >= 'a' && tmp_c <= 'f')
925 			pkt_buf[j] = tmp_val * 16 + tmp_c - 'a' + 10;
926 		if (tmp_c >= 'A' && tmp_c <= 'F')
927 			pkt_buf[j] = tmp_val * 16 + tmp_c - 'A' + 10;
928 		if (tmp_c >= '0' && tmp_c <= '9')
929 			pkt_buf[j] = tmp_val * 16 + tmp_c - '0';
930 
931 		tmp_c = raw_mask->pattern[i];
932 		if (tmp_c >= 'a' && tmp_c <= 'f')
933 			tmp_val = tmp_c - 0x57;
934 		if (tmp_c >= 'A' && tmp_c <= 'F')
935 			tmp_val = tmp_c - 0x37;
936 		if (tmp_c >= '0' && tmp_c <= '9')
937 			tmp_val = tmp_c - '0';
938 
939 		tmp_c = raw_mask->pattern[i + 1];
940 		if (tmp_c >= 'a' && tmp_c <= 'f')
941 			msk_buf[j] = tmp_val * 16 + tmp_c - 'a' + 10;
942 		if (tmp_c >= 'A' && tmp_c <= 'F')
943 			msk_buf[j] = tmp_val * 16 + tmp_c - 'A' + 10;
944 		if (tmp_c >= '0' && tmp_c <= '9')
945 			msk_buf[j] = tmp_val * 16 + tmp_c - '0';
946 	}
947 
948 	rte_memcpy(meta->proto_hdrs.raw.spec, pkt_buf, pkt_len);
949 	rte_memcpy(meta->proto_hdrs.raw.mask, msk_buf, pkt_len);
950 	meta->proto_hdrs.raw.pkt_len = pkt_len;
951 
952 	rte_free(pkt_buf);
953 	rte_free(msk_buf);
954 
955 	return 0;
956 }
957 
958 #define REFINE_PROTO_FLD(op, fld) \
959 	VIRTCHNL_##op##_PROTO_HDR_FIELD(hdr, VIRTCHNL_PROTO_HDR_##fld)
960 #define REPALCE_PROTO_FLD(fld_1, fld_2) \
961 do { \
962 	REFINE_PROTO_FLD(DEL, fld_1);	\
963 	REFINE_PROTO_FLD(ADD, fld_2);	\
964 } while (0)
965 
966 static void
967 iavf_hash_add_fragment_hdr(struct virtchnl_proto_hdrs *hdrs, int layer)
968 {
969 	struct virtchnl_proto_hdr *hdr1;
970 	struct virtchnl_proto_hdr *hdr2;
971 	int i;
972 
973 	if (layer < 0 || layer > hdrs->count)
974 		return;
975 
976 	/* shift headers layer */
977 	for (i = hdrs->count; i >= layer; i--) {
978 		hdr1 = &hdrs->proto_hdr[i];
979 		hdr2 = &hdrs->proto_hdr[i - 1];
980 		*hdr1 = *hdr2;
981 	}
982 
983 	/* adding dummy fragment header */
984 	hdr1 = &hdrs->proto_hdr[layer];
985 	VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1, IPV4_FRAG);
986 	hdrs->count = ++layer;
987 }
988 
989 /* refine proto hdrs base on l2, l3, l4 rss type */
990 static void
991 iavf_refine_proto_hdrs_l234(struct virtchnl_proto_hdrs *proto_hdrs,
992 			    uint64_t rss_type)
993 {
994 	struct virtchnl_proto_hdr *hdr;
995 	int i;
996 
997 	for (i = 0; i < proto_hdrs->count; i++) {
998 		hdr = &proto_hdrs->proto_hdr[i];
999 		switch (hdr->type) {
1000 		case VIRTCHNL_PROTO_HDR_ETH:
1001 			if (!(rss_type & RTE_ETH_RSS_ETH))
1002 				hdr->field_selector = 0;
1003 			else if (rss_type & RTE_ETH_RSS_L2_SRC_ONLY)
1004 				REFINE_PROTO_FLD(DEL, ETH_DST);
1005 			else if (rss_type & RTE_ETH_RSS_L2_DST_ONLY)
1006 				REFINE_PROTO_FLD(DEL, ETH_SRC);
1007 			break;
1008 		case VIRTCHNL_PROTO_HDR_IPV4:
1009 			if (rss_type &
1010 			    (RTE_ETH_RSS_IPV4 | RTE_ETH_RSS_FRAG_IPV4 |
1011 			     RTE_ETH_RSS_NONFRAG_IPV4_UDP |
1012 			     RTE_ETH_RSS_NONFRAG_IPV4_TCP |
1013 			     RTE_ETH_RSS_NONFRAG_IPV4_SCTP)) {
1014 				if (rss_type & RTE_ETH_RSS_FRAG_IPV4) {
1015 					iavf_hash_add_fragment_hdr(proto_hdrs, i + 1);
1016 				} else if (rss_type & RTE_ETH_RSS_L3_SRC_ONLY) {
1017 					REFINE_PROTO_FLD(DEL, IPV4_DST);
1018 				} else if (rss_type & RTE_ETH_RSS_L3_DST_ONLY) {
1019 					REFINE_PROTO_FLD(DEL, IPV4_SRC);
1020 				} else if (rss_type &
1021 					   (RTE_ETH_RSS_L4_SRC_ONLY |
1022 					    RTE_ETH_RSS_L4_DST_ONLY)) {
1023 					REFINE_PROTO_FLD(DEL, IPV4_DST);
1024 					REFINE_PROTO_FLD(DEL, IPV4_SRC);
1025 				}
1026 			} else {
1027 				hdr->field_selector = 0;
1028 			}
1029 
1030 			if (rss_type & RTE_ETH_RSS_IPV4_CHKSUM)
1031 				REFINE_PROTO_FLD(ADD, IPV4_CHKSUM);
1032 
1033 			break;
1034 		case VIRTCHNL_PROTO_HDR_IPV4_FRAG:
1035 			if (rss_type &
1036 			    (RTE_ETH_RSS_IPV4 | RTE_ETH_RSS_FRAG_IPV4 |
1037 			     RTE_ETH_RSS_NONFRAG_IPV4_UDP |
1038 			     RTE_ETH_RSS_NONFRAG_IPV4_TCP |
1039 			     RTE_ETH_RSS_NONFRAG_IPV4_SCTP)) {
1040 				if (rss_type & RTE_ETH_RSS_FRAG_IPV4)
1041 					REFINE_PROTO_FLD(ADD, IPV4_FRAG_PKID);
1042 			} else {
1043 				hdr->field_selector = 0;
1044 			}
1045 
1046 			if (rss_type & RTE_ETH_RSS_IPV4_CHKSUM)
1047 				REFINE_PROTO_FLD(ADD, IPV4_CHKSUM);
1048 
1049 			break;
1050 		case VIRTCHNL_PROTO_HDR_IPV6:
1051 			if (rss_type &
1052 			    (RTE_ETH_RSS_IPV6 | RTE_ETH_RSS_FRAG_IPV6 |
1053 			     RTE_ETH_RSS_NONFRAG_IPV6_UDP |
1054 			     RTE_ETH_RSS_NONFRAG_IPV6_TCP |
1055 			     RTE_ETH_RSS_NONFRAG_IPV6_SCTP)) {
1056 				if (rss_type & RTE_ETH_RSS_L3_SRC_ONLY) {
1057 					REFINE_PROTO_FLD(DEL, IPV6_DST);
1058 				} else if (rss_type & RTE_ETH_RSS_L3_DST_ONLY) {
1059 					REFINE_PROTO_FLD(DEL, IPV6_SRC);
1060 				} else if (rss_type &
1061 					   (RTE_ETH_RSS_L4_SRC_ONLY |
1062 					    RTE_ETH_RSS_L4_DST_ONLY)) {
1063 					REFINE_PROTO_FLD(DEL, IPV6_DST);
1064 					REFINE_PROTO_FLD(DEL, IPV6_SRC);
1065 				}
1066 			} else {
1067 				hdr->field_selector = 0;
1068 			}
1069 			if (rss_type & RTE_ETH_RSS_L3_PRE64) {
1070 				if (REFINE_PROTO_FLD(TEST, IPV6_SRC))
1071 					REPALCE_PROTO_FLD(IPV6_SRC,
1072 							  IPV6_PREFIX64_SRC);
1073 				if (REFINE_PROTO_FLD(TEST, IPV6_DST))
1074 					REPALCE_PROTO_FLD(IPV6_DST,
1075 							  IPV6_PREFIX64_DST);
1076 			}
1077 			break;
1078 		case VIRTCHNL_PROTO_HDR_IPV6_EH_FRAG:
1079 			if (rss_type & RTE_ETH_RSS_FRAG_IPV6)
1080 				REFINE_PROTO_FLD(ADD, IPV6_EH_FRAG_PKID);
1081 			else
1082 				hdr->field_selector = 0;
1083 
1084 			break;
1085 		case VIRTCHNL_PROTO_HDR_UDP:
1086 			if (rss_type &
1087 			    (RTE_ETH_RSS_NONFRAG_IPV4_UDP |
1088 			     RTE_ETH_RSS_NONFRAG_IPV6_UDP)) {
1089 				if (rss_type & RTE_ETH_RSS_L4_SRC_ONLY)
1090 					REFINE_PROTO_FLD(DEL, UDP_DST_PORT);
1091 				else if (rss_type & RTE_ETH_RSS_L4_DST_ONLY)
1092 					REFINE_PROTO_FLD(DEL, UDP_SRC_PORT);
1093 				else if (rss_type &
1094 					 (RTE_ETH_RSS_L3_SRC_ONLY |
1095 					  RTE_ETH_RSS_L3_DST_ONLY))
1096 					hdr->field_selector = 0;
1097 			} else {
1098 				hdr->field_selector = 0;
1099 			}
1100 
1101 			if (rss_type & RTE_ETH_RSS_L4_CHKSUM)
1102 				REFINE_PROTO_FLD(ADD, UDP_CHKSUM);
1103 			break;
1104 		case VIRTCHNL_PROTO_HDR_TCP:
1105 			if (rss_type &
1106 			    (RTE_ETH_RSS_NONFRAG_IPV4_TCP |
1107 			     RTE_ETH_RSS_NONFRAG_IPV6_TCP)) {
1108 				if (rss_type & RTE_ETH_RSS_L4_SRC_ONLY)
1109 					REFINE_PROTO_FLD(DEL, TCP_DST_PORT);
1110 				else if (rss_type & RTE_ETH_RSS_L4_DST_ONLY)
1111 					REFINE_PROTO_FLD(DEL, TCP_SRC_PORT);
1112 				else if (rss_type &
1113 					 (RTE_ETH_RSS_L3_SRC_ONLY |
1114 					  RTE_ETH_RSS_L3_DST_ONLY))
1115 					hdr->field_selector = 0;
1116 			} else {
1117 				hdr->field_selector = 0;
1118 			}
1119 
1120 			if (rss_type & RTE_ETH_RSS_L4_CHKSUM)
1121 				REFINE_PROTO_FLD(ADD, TCP_CHKSUM);
1122 			break;
1123 		case VIRTCHNL_PROTO_HDR_SCTP:
1124 			if (rss_type &
1125 			    (RTE_ETH_RSS_NONFRAG_IPV4_SCTP |
1126 			     RTE_ETH_RSS_NONFRAG_IPV6_SCTP)) {
1127 				if (rss_type & RTE_ETH_RSS_L4_SRC_ONLY)
1128 					REFINE_PROTO_FLD(DEL, SCTP_DST_PORT);
1129 				else if (rss_type & RTE_ETH_RSS_L4_DST_ONLY)
1130 					REFINE_PROTO_FLD(DEL, SCTP_SRC_PORT);
1131 				else if (rss_type &
1132 					 (RTE_ETH_RSS_L3_SRC_ONLY |
1133 					  RTE_ETH_RSS_L3_DST_ONLY))
1134 					hdr->field_selector = 0;
1135 			} else {
1136 				hdr->field_selector = 0;
1137 			}
1138 
1139 			if (rss_type & RTE_ETH_RSS_L4_CHKSUM)
1140 				REFINE_PROTO_FLD(ADD, SCTP_CHKSUM);
1141 			break;
1142 		case VIRTCHNL_PROTO_HDR_S_VLAN:
1143 			if (!(rss_type & RTE_ETH_RSS_S_VLAN))
1144 				hdr->field_selector = 0;
1145 			break;
1146 		case VIRTCHNL_PROTO_HDR_C_VLAN:
1147 			if (!(rss_type & RTE_ETH_RSS_C_VLAN))
1148 				hdr->field_selector = 0;
1149 			break;
1150 		case VIRTCHNL_PROTO_HDR_L2TPV3:
1151 			if (!(rss_type & RTE_ETH_RSS_L2TPV3))
1152 				hdr->field_selector = 0;
1153 			break;
1154 		case VIRTCHNL_PROTO_HDR_ESP:
1155 			if (!(rss_type & RTE_ETH_RSS_ESP))
1156 				hdr->field_selector = 0;
1157 			break;
1158 		case VIRTCHNL_PROTO_HDR_AH:
1159 			if (!(rss_type & RTE_ETH_RSS_AH))
1160 				hdr->field_selector = 0;
1161 			break;
1162 		case VIRTCHNL_PROTO_HDR_PFCP:
1163 			if (!(rss_type & RTE_ETH_RSS_PFCP))
1164 				hdr->field_selector = 0;
1165 			break;
1166 		case VIRTCHNL_PROTO_HDR_ECPRI:
1167 			if (!(rss_type & RTE_ETH_RSS_ECPRI))
1168 				hdr->field_selector = 0;
1169 			break;
1170 		case VIRTCHNL_PROTO_HDR_L2TPV2:
1171 			if (!(rss_type & RTE_ETH_RSS_L2TPV2))
1172 				hdr->field_selector = 0;
1173 			break;
1174 		default:
1175 			break;
1176 		}
1177 	}
1178 }
1179 
1180 /* refine proto hdrs base on gtpu rss type */
1181 static void
1182 iavf_refine_proto_hdrs_gtpu(struct virtchnl_proto_hdrs *proto_hdrs,
1183 			    uint64_t rss_type)
1184 {
1185 	struct virtchnl_proto_hdr *hdr;
1186 	int i;
1187 
1188 	if (!(rss_type & RTE_ETH_RSS_GTPU))
1189 		return;
1190 
1191 	for (i = 0; i < proto_hdrs->count; i++) {
1192 		hdr = &proto_hdrs->proto_hdr[i];
1193 		switch (hdr->type) {
1194 		case VIRTCHNL_PROTO_HDR_GTPU_IP:
1195 			REFINE_PROTO_FLD(ADD, GTPU_IP_TEID);
1196 			break;
1197 		default:
1198 			break;
1199 		}
1200 	}
1201 }
1202 
1203 static void
1204 iavf_refine_proto_hdrs_by_pattern(struct virtchnl_proto_hdrs *proto_hdrs,
1205 				  uint64_t phint)
1206 {
1207 	struct virtchnl_proto_hdr *hdr1;
1208 	struct virtchnl_proto_hdr *hdr2;
1209 	int i, shift_count = 1;
1210 	int tun_lvl = proto_hdrs->tunnel_level;
1211 
1212 	if (!(phint & IAVF_PHINT_GTPU_MSK) && !(phint & IAVF_PHINT_GRE))
1213 		return;
1214 
1215 	while (tun_lvl) {
1216 		if (phint & IAVF_PHINT_LAYERS_MSK)
1217 			shift_count = 2;
1218 
1219 		/* shift headers layer */
1220 		for (i = proto_hdrs->count - 1 + shift_count;
1221 		     i > shift_count - 1; i--) {
1222 			hdr1 = &proto_hdrs->proto_hdr[i];
1223 			hdr2 = &proto_hdrs->proto_hdr[i - shift_count];
1224 			*hdr1 = *hdr2;
1225 		}
1226 
1227 		if (shift_count == 1) {
1228 			/* adding tunnel header at layer 0 */
1229 			hdr1 = &proto_hdrs->proto_hdr[0];
1230 		} else {
1231 			/* adding tunnel header and outer ip header */
1232 			hdr1 = &proto_hdrs->proto_hdr[1];
1233 			hdr2 = &proto_hdrs->proto_hdr[0];
1234 			hdr2->field_selector = 0;
1235 			proto_hdrs->count++;
1236 			tun_lvl--;
1237 
1238 			if (tun_lvl == TUNNEL_LEVEL_OUTER) {
1239 				if (phint & IAVF_PHINT_OUTER_IPV4)
1240 					VIRTCHNL_SET_PROTO_HDR_TYPE(hdr2, IPV4);
1241 				else if (phint & IAVF_PHINT_OUTER_IPV6)
1242 					VIRTCHNL_SET_PROTO_HDR_TYPE(hdr2, IPV6);
1243 			} else if (tun_lvl == TUNNEL_LEVEL_INNER) {
1244 				if (phint & IAVF_PHINT_MID_IPV4)
1245 					VIRTCHNL_SET_PROTO_HDR_TYPE(hdr2, IPV4);
1246 				else if (phint & IAVF_PHINT_MID_IPV6)
1247 					VIRTCHNL_SET_PROTO_HDR_TYPE(hdr2, IPV6);
1248 			}
1249 		}
1250 
1251 		hdr1->field_selector = 0;
1252 		proto_hdrs->count++;
1253 
1254 		if (phint & IAVF_PHINT_GTPU_EH_DWN)
1255 			VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1, GTPU_EH_PDU_DWN);
1256 		else if (phint & IAVF_PHINT_GTPU_EH_UP)
1257 			VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1, GTPU_EH_PDU_UP);
1258 		else if (phint & IAVF_PHINT_GTPU_EH)
1259 			VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1, GTPU_EH);
1260 		else if (phint & IAVF_PHINT_GTPU)
1261 			VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1, GTPU_IP);
1262 
1263 		if (phint & IAVF_PHINT_GRE) {
1264 			if (phint & IAVF_PHINT_GTPU) {
1265 				/* if GTPoGRE, add GRE header at the outer tunnel  */
1266 				if (tun_lvl == TUNNEL_LEVEL_OUTER)
1267 					VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1, GRE);
1268 			} else {
1269 					VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1, GRE);
1270 			}
1271 		}
1272 	}
1273 	proto_hdrs->tunnel_level = tun_lvl;
1274 }
1275 
1276 static void
1277 iavf_refine_proto_hdrs_l2tpv2(struct virtchnl_proto_hdrs *proto_hdrs,
1278 			      uint64_t phint)
1279 {
1280 	struct virtchnl_proto_hdr *hdr, *hdr1;
1281 	int i;
1282 
1283 	if (!(phint & IAVF_PHINT_L2TPV2) && !(phint & IAVF_PHINT_L2TPV2_LEN))
1284 		return;
1285 
1286 	if (proto_hdrs->tunnel_level == TUNNEL_LEVEL_INNER) {
1287 		/* shift headers layer */
1288 		for (i = proto_hdrs->count; i > 0; i--)
1289 			proto_hdrs->proto_hdr[i] = proto_hdrs->proto_hdr[i - 1];
1290 
1291 		/* adding outer ip header at layer 0 */
1292 		hdr1 = &proto_hdrs->proto_hdr[0];
1293 		hdr1->field_selector = 0;
1294 		proto_hdrs->count++;
1295 		proto_hdrs->tunnel_level = TUNNEL_LEVEL_OUTER;
1296 		if (phint & IAVF_PHINT_OUTER_IPV4)
1297 			VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1, IPV4);
1298 		else if (phint & IAVF_PHINT_OUTER_IPV6)
1299 			VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1, IPV6);
1300 	} else {
1301 		for (i = 0; i < proto_hdrs->count; i++) {
1302 			hdr = &proto_hdrs->proto_hdr[i];
1303 			if (hdr->type == VIRTCHNL_PROTO_HDR_L2TPV2) {
1304 				if (phint & IAVF_PHINT_L2TPV2) {
1305 					REFINE_PROTO_FLD(DEL, L2TPV2_LEN_SESS_ID);
1306 				} else if (phint & IAVF_PHINT_L2TPV2_LEN) {
1307 					REFINE_PROTO_FLD(DEL, L2TPV2_SESS_ID);
1308 				}
1309 			}
1310 		}
1311 	}
1312 }
1313 
1314 static void iavf_refine_proto_hdrs(struct virtchnl_proto_hdrs *proto_hdrs,
1315 				   uint64_t rss_type, uint64_t phint)
1316 {
1317 	iavf_refine_proto_hdrs_l234(proto_hdrs, rss_type);
1318 	iavf_refine_proto_hdrs_by_pattern(proto_hdrs, phint);
1319 	iavf_refine_proto_hdrs_gtpu(proto_hdrs, rss_type);
1320 	iavf_refine_proto_hdrs_l2tpv2(proto_hdrs, phint);
1321 }
1322 
1323 static uint64_t invalid_rss_comb[] = {
1324 	RTE_ETH_RSS_IPV4 | RTE_ETH_RSS_NONFRAG_IPV4_UDP,
1325 	RTE_ETH_RSS_IPV4 | RTE_ETH_RSS_NONFRAG_IPV4_TCP,
1326 	RTE_ETH_RSS_IPV6 | RTE_ETH_RSS_NONFRAG_IPV6_UDP,
1327 	RTE_ETH_RSS_IPV6 | RTE_ETH_RSS_NONFRAG_IPV6_TCP,
1328 	RTE_ETH_RSS_L3_PRE32 | RTE_ETH_RSS_L3_PRE40 |
1329 	RTE_ETH_RSS_L3_PRE48 | RTE_ETH_RSS_L3_PRE56 |
1330 	RTE_ETH_RSS_L3_PRE96
1331 };
1332 
1333 struct rss_attr_type {
1334 	uint64_t attr;
1335 	uint64_t type;
1336 };
1337 
1338 #define VALID_RSS_IPV4_L4	(RTE_ETH_RSS_NONFRAG_IPV4_UDP	| \
1339 				 RTE_ETH_RSS_NONFRAG_IPV4_TCP	| \
1340 				 RTE_ETH_RSS_NONFRAG_IPV4_SCTP)
1341 
1342 #define VALID_RSS_IPV6_L4	(RTE_ETH_RSS_NONFRAG_IPV6_UDP	| \
1343 				 RTE_ETH_RSS_NONFRAG_IPV6_TCP	| \
1344 				 RTE_ETH_RSS_NONFRAG_IPV6_SCTP)
1345 
1346 #define VALID_RSS_IPV4		(RTE_ETH_RSS_IPV4 | RTE_ETH_RSS_FRAG_IPV4 | \
1347 				 VALID_RSS_IPV4_L4)
1348 #define VALID_RSS_IPV6		(RTE_ETH_RSS_IPV6 | RTE_ETH_RSS_FRAG_IPV6 | \
1349 				 VALID_RSS_IPV6_L4)
1350 #define VALID_RSS_L3		(VALID_RSS_IPV4 | VALID_RSS_IPV6)
1351 #define VALID_RSS_L4		(VALID_RSS_IPV4_L4 | VALID_RSS_IPV6_L4)
1352 
1353 #define VALID_RSS_ATTR		(RTE_ETH_RSS_L3_SRC_ONLY	| \
1354 				 RTE_ETH_RSS_L3_DST_ONLY	| \
1355 				 RTE_ETH_RSS_L4_SRC_ONLY	| \
1356 				 RTE_ETH_RSS_L4_DST_ONLY	| \
1357 				 RTE_ETH_RSS_L2_SRC_ONLY	| \
1358 				 RTE_ETH_RSS_L2_DST_ONLY	| \
1359 				 RTE_ETH_RSS_L3_PRE64)
1360 
1361 #define INVALID_RSS_ATTR	(RTE_ETH_RSS_L3_PRE32	| \
1362 				 RTE_ETH_RSS_L3_PRE40	| \
1363 				 RTE_ETH_RSS_L3_PRE48	| \
1364 				 RTE_ETH_RSS_L3_PRE56	| \
1365 				 RTE_ETH_RSS_L3_PRE96)
1366 
1367 static struct rss_attr_type rss_attr_to_valid_type[] = {
1368 	{RTE_ETH_RSS_L2_SRC_ONLY | RTE_ETH_RSS_L2_DST_ONLY,	RTE_ETH_RSS_ETH},
1369 	{RTE_ETH_RSS_L3_SRC_ONLY | RTE_ETH_RSS_L3_DST_ONLY,	VALID_RSS_L3},
1370 	{RTE_ETH_RSS_L4_SRC_ONLY | RTE_ETH_RSS_L4_DST_ONLY,	VALID_RSS_L4},
1371 	/* current ipv6 prefix only supports prefix 64 bits*/
1372 	{RTE_ETH_RSS_L3_PRE64,				VALID_RSS_IPV6},
1373 	{INVALID_RSS_ATTR,				0}
1374 };
1375 
1376 static bool
1377 iavf_any_invalid_rss_type(enum rte_eth_hash_function rss_func,
1378 			  uint64_t rss_type, uint64_t allow_rss_type)
1379 {
1380 	uint32_t i;
1381 
1382 	/**
1383 	 * Check if l3/l4 SRC/DST_ONLY is set for SYMMETRIC_TOEPLITZ
1384 	 * hash function.
1385 	 */
1386 	if (rss_func == RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ) {
1387 		if (rss_type & (RTE_ETH_RSS_L3_SRC_ONLY | RTE_ETH_RSS_L3_DST_ONLY |
1388 		    RTE_ETH_RSS_L4_SRC_ONLY | RTE_ETH_RSS_L4_DST_ONLY))
1389 			return true;
1390 
1391 		if (!(rss_type &
1392 		   (RTE_ETH_RSS_IPV4 | RTE_ETH_RSS_IPV6 |
1393 		    RTE_ETH_RSS_NONFRAG_IPV4_UDP | RTE_ETH_RSS_NONFRAG_IPV6_UDP |
1394 		    RTE_ETH_RSS_NONFRAG_IPV4_TCP | RTE_ETH_RSS_NONFRAG_IPV6_TCP |
1395 		    RTE_ETH_RSS_NONFRAG_IPV4_SCTP | RTE_ETH_RSS_NONFRAG_IPV6_SCTP)))
1396 			return true;
1397 	}
1398 
1399 	/* check invalid combination */
1400 	for (i = 0; i < RTE_DIM(invalid_rss_comb); i++) {
1401 		if (rte_popcount64(rss_type & invalid_rss_comb[i]) > 1)
1402 			return true;
1403 	}
1404 
1405 	/* check invalid RSS attribute */
1406 	for (i = 0; i < RTE_DIM(rss_attr_to_valid_type); i++) {
1407 		struct rss_attr_type *rat = &rss_attr_to_valid_type[i];
1408 
1409 		if (rat->attr & rss_type && !(rat->type & rss_type))
1410 			return true;
1411 	}
1412 
1413 	/* check not allowed RSS type */
1414 	rss_type &= ~VALID_RSS_ATTR;
1415 
1416 	return ((rss_type & allow_rss_type) != rss_type);
1417 }
1418 
1419 static int
1420 iavf_hash_parse_action(struct iavf_pattern_match_item *match_item,
1421 		       const struct rte_flow_action actions[],
1422 		       uint64_t pattern_hint, struct iavf_rss_meta *rss_meta,
1423 		       struct rte_flow_error *error)
1424 {
1425 	enum rte_flow_action_type action_type;
1426 	const struct rte_flow_action_rss *rss;
1427 	const struct rte_flow_action *action;
1428 	uint64_t rss_type;
1429 
1430 	/* Supported action is RSS. */
1431 	for (action = actions; action->type !=
1432 		RTE_FLOW_ACTION_TYPE_END; action++) {
1433 		action_type = action->type;
1434 		switch (action_type) {
1435 		case RTE_FLOW_ACTION_TYPE_RSS:
1436 			rss = action->conf;
1437 			rss_type = rss->types;
1438 
1439 			if (rss->func ==
1440 			    RTE_ETH_HASH_FUNCTION_SIMPLE_XOR){
1441 				rss_meta->rss_algorithm =
1442 					VIRTCHNL_RSS_ALG_XOR_ASYMMETRIC;
1443 				return rte_flow_error_set(error, ENOTSUP,
1444 					RTE_FLOW_ERROR_TYPE_ACTION, action,
1445 					"function simple_xor is not supported");
1446 			} else if (rss->func ==
1447 				   RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ) {
1448 				rss_meta->rss_algorithm =
1449 					VIRTCHNL_RSS_ALG_TOEPLITZ_SYMMETRIC;
1450 			} else {
1451 				rss_meta->rss_algorithm =
1452 					VIRTCHNL_RSS_ALG_TOEPLITZ_ASYMMETRIC;
1453 			}
1454 
1455 			if (rss->level)
1456 				return rte_flow_error_set(error, ENOTSUP,
1457 					RTE_FLOW_ERROR_TYPE_ACTION, action,
1458 					"a nonzero RSS encapsulation level is not supported");
1459 
1460 			if (rss->key_len)
1461 				return rte_flow_error_set(error, ENOTSUP,
1462 					RTE_FLOW_ERROR_TYPE_ACTION, action,
1463 					"a nonzero RSS key_len is not supported");
1464 
1465 			if (rss->queue_num)
1466 				return rte_flow_error_set(error, ENOTSUP,
1467 					RTE_FLOW_ERROR_TYPE_ACTION, action,
1468 					"a non-NULL RSS queue is not supported");
1469 
1470 			/* If pattern type is raw, no need to refine rss type */
1471 			if (pattern_hint == IAVF_PHINT_RAW)
1472 				break;
1473 
1474 			/**
1475 			 * Check simultaneous use of SRC_ONLY and DST_ONLY
1476 			 * of the same level.
1477 			 */
1478 			rss_type = rte_eth_rss_hf_refine(rss_type);
1479 
1480 			if (iavf_any_invalid_rss_type(rss->func, rss_type,
1481 					match_item->input_set_mask))
1482 				return rte_flow_error_set(error, ENOTSUP,
1483 						RTE_FLOW_ERROR_TYPE_ACTION,
1484 						action, "RSS type not supported");
1485 
1486 			memcpy(&rss_meta->proto_hdrs, match_item->meta,
1487 			       sizeof(struct virtchnl_proto_hdrs));
1488 
1489 			iavf_refine_proto_hdrs(&rss_meta->proto_hdrs,
1490 					       rss_type, pattern_hint);
1491 			break;
1492 
1493 		case RTE_FLOW_ACTION_TYPE_END:
1494 			break;
1495 
1496 		default:
1497 			rte_flow_error_set(error, EINVAL,
1498 					   RTE_FLOW_ERROR_TYPE_ACTION, action,
1499 					   "Invalid action.");
1500 			return -rte_errno;
1501 		}
1502 	}
1503 
1504 	return 0;
1505 }
1506 
1507 static int
1508 iavf_hash_parse_pattern_action(__rte_unused struct iavf_adapter *ad,
1509 			       struct iavf_pattern_match_item *array,
1510 			       uint32_t array_len,
1511 			       const struct rte_flow_item pattern[],
1512 			       const struct rte_flow_action actions[],
1513 			       uint32_t priority,
1514 			       void **meta,
1515 			       struct rte_flow_error *error)
1516 {
1517 	struct iavf_pattern_match_item *pattern_match_item;
1518 	struct iavf_rss_meta *rss_meta_ptr;
1519 	uint64_t phint = IAVF_PHINT_NONE;
1520 	int ret = 0;
1521 
1522 	if (priority >= 1)
1523 		return -rte_errno;
1524 
1525 	rss_meta_ptr = rte_zmalloc(NULL, sizeof(*rss_meta_ptr), 0);
1526 	if (!rss_meta_ptr) {
1527 		rte_flow_error_set(error, EINVAL,
1528 				   RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1529 				   "No memory for rss_meta_ptr");
1530 		return -ENOMEM;
1531 	}
1532 
1533 	/* Check rss supported pattern and find matched pattern. */
1534 	pattern_match_item =
1535 		iavf_search_pattern_match_item(pattern, array, array_len,
1536 					       error);
1537 	if (!pattern_match_item) {
1538 		ret = -rte_errno;
1539 		goto error;
1540 	}
1541 
1542 	ret = iavf_hash_parse_pattern(pattern, &phint, error);
1543 	if (ret)
1544 		goto error;
1545 
1546 	if (phint == IAVF_PHINT_RAW) {
1547 		rss_meta_ptr->raw_ena = true;
1548 		ret = iavf_hash_parse_raw_pattern(pattern, rss_meta_ptr);
1549 		if (ret) {
1550 			rte_flow_error_set(error, EINVAL,
1551 					   RTE_FLOW_ERROR_TYPE_ITEM, NULL,
1552 					   "Parse raw pattern failed");
1553 			goto error;
1554 		}
1555 	}
1556 
1557 	ret = iavf_hash_parse_action(pattern_match_item, actions, phint,
1558 				     rss_meta_ptr, error);
1559 
1560 error:
1561 	if (!ret && meta)
1562 		*meta = rss_meta_ptr;
1563 	else
1564 		rte_free(rss_meta_ptr);
1565 
1566 	rte_free(pattern_match_item);
1567 
1568 	return ret;
1569 }
1570 
1571 static int
1572 iavf_hash_create(__rte_unused struct iavf_adapter *ad,
1573 		 __rte_unused struct rte_flow *flow, void *meta,
1574 		 __rte_unused struct rte_flow_error *error)
1575 {
1576 	struct iavf_rss_meta *rss_meta = (struct iavf_rss_meta *)meta;
1577 	struct virtchnl_rss_cfg *rss_cfg;
1578 	int ret = 0;
1579 
1580 	rss_cfg = rte_zmalloc("iavf rss rule",
1581 			      sizeof(struct virtchnl_rss_cfg), 0);
1582 	if (!rss_cfg) {
1583 		rte_flow_error_set(error, EINVAL,
1584 				   RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1585 				   "No memory for rss rule");
1586 		return -ENOMEM;
1587 	}
1588 
1589 	rss_cfg->proto_hdrs = rss_meta->proto_hdrs;
1590 	rss_cfg->rss_algorithm = rss_meta->rss_algorithm;
1591 
1592 	ret = iavf_add_del_rss_cfg(ad, rss_cfg, true);
1593 	if (!ret) {
1594 		flow->rule = rss_cfg;
1595 	} else {
1596 		PMD_DRV_LOG(ERR, "fail to add RSS configure");
1597 		rte_flow_error_set(error, -ret,
1598 				   RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1599 				   "Failed to add rss rule.");
1600 		rte_free(rss_cfg);
1601 		return -rte_errno;
1602 	}
1603 
1604 	rte_free(meta);
1605 
1606 	return ret;
1607 }
1608 
1609 static int
1610 iavf_hash_destroy(__rte_unused struct iavf_adapter *ad,
1611 		  struct rte_flow *flow,
1612 		  __rte_unused struct rte_flow_error *error)
1613 {
1614 	struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(ad);
1615 	struct virtchnl_rss_cfg *rss_cfg;
1616 	int ret = 0;
1617 
1618 	if (vf->vf_reset)
1619 		return 0;
1620 
1621 	rss_cfg = (struct virtchnl_rss_cfg *)flow->rule;
1622 
1623 	ret = iavf_add_del_rss_cfg(ad, rss_cfg, false);
1624 	if (ret) {
1625 		PMD_DRV_LOG(ERR, "fail to del RSS configure");
1626 		rte_flow_error_set(error, -ret,
1627 				   RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1628 				   "Failed to delete rss rule.");
1629 		return -rte_errno;
1630 	}
1631 	return ret;
1632 }
1633 
1634 static void
1635 iavf_hash_uninit(struct iavf_adapter *ad)
1636 {
1637 	struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(ad);
1638 	struct rte_eth_rss_conf *rss_conf;
1639 
1640 	if (vf->vf_reset)
1641 		return;
1642 
1643 	if (!vf->vf_res)
1644 		return;
1645 
1646 	if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF))
1647 		return;
1648 
1649 	rss_conf = &ad->dev_data->dev_conf.rx_adv_conf.rss_conf;
1650 	if (iavf_rss_hash_set(ad, rss_conf->rss_hf, false))
1651 		PMD_DRV_LOG(ERR, "fail to delete default RSS");
1652 
1653 	iavf_unregister_parser(&iavf_hash_parser, ad);
1654 }
1655 
1656 static void
1657 iavf_hash_free(struct rte_flow *flow)
1658 {
1659 	rte_free(flow->rule);
1660 }
1661