1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2019 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 "ice_logs.h"
23 #include "base/ice_type.h"
24 #include "base/ice_flow.h"
25 #include "ice_ethdev.h"
26 #include "ice_generic_flow.h"
27
28 #define ICE_PHINT_NONE 0
29 #define ICE_PHINT_VLAN BIT_ULL(0)
30 #define ICE_PHINT_PPPOE BIT_ULL(1)
31 #define ICE_PHINT_GTPU BIT_ULL(2)
32 #define ICE_PHINT_GTPU_EH BIT_ULL(3)
33 #define ICE_PHINT_GTPU_EH_DWN BIT_ULL(4)
34 #define ICE_PHINT_GTPU_EH_UP BIT_ULL(5)
35 #define ICE_PHINT_RAW BIT_ULL(6)
36
37 #define ICE_GTPU_EH_DWNLINK 0
38 #define ICE_GTPU_EH_UPLINK 1
39
40 #define ICE_IPV4_PROT BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_PROT)
41 #define ICE_IPV6_PROT BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PROT)
42
43 #define VALID_RSS_IPV4_L4 (RTE_ETH_RSS_NONFRAG_IPV4_UDP | \
44 RTE_ETH_RSS_NONFRAG_IPV4_TCP | \
45 RTE_ETH_RSS_NONFRAG_IPV4_SCTP)
46
47 #define VALID_RSS_IPV6_L4 (RTE_ETH_RSS_NONFRAG_IPV6_UDP | \
48 RTE_ETH_RSS_NONFRAG_IPV6_TCP | \
49 RTE_ETH_RSS_NONFRAG_IPV6_SCTP)
50
51 #define VALID_RSS_IPV4 (RTE_ETH_RSS_IPV4 | RTE_ETH_RSS_FRAG_IPV4 | \
52 VALID_RSS_IPV4_L4)
53 #define VALID_RSS_IPV6 (RTE_ETH_RSS_IPV6 | RTE_ETH_RSS_FRAG_IPV6 | \
54 VALID_RSS_IPV6_L4)
55 #define VALID_RSS_L3 (VALID_RSS_IPV4 | VALID_RSS_IPV6)
56 #define VALID_RSS_L4 (VALID_RSS_IPV4_L4 | VALID_RSS_IPV6_L4)
57
58 #define VALID_RSS_ATTR (RTE_ETH_RSS_L3_SRC_ONLY | \
59 RTE_ETH_RSS_L3_DST_ONLY | \
60 RTE_ETH_RSS_L4_SRC_ONLY | \
61 RTE_ETH_RSS_L4_DST_ONLY | \
62 RTE_ETH_RSS_L2_SRC_ONLY | \
63 RTE_ETH_RSS_L2_DST_ONLY | \
64 RTE_ETH_RSS_L3_PRE32 | \
65 RTE_ETH_RSS_L3_PRE48 | \
66 RTE_ETH_RSS_L3_PRE64)
67
68 #define INVALID_RSS_ATTR (RTE_ETH_RSS_L3_PRE40 | \
69 RTE_ETH_RSS_L3_PRE56 | \
70 RTE_ETH_RSS_L3_PRE96)
71
72 struct ice_rss_meta {
73 uint8_t hash_function;
74 struct ice_rss_hash_cfg cfg;
75 struct ice_rss_raw_cfg raw;
76 };
77
78 struct ice_hash_flow_cfg {
79 bool simple_xor;
80 struct ice_rss_cfg rss_cfg;
81 };
82
83 static int
84 ice_hash_init(struct ice_adapter *ad);
85
86 static int
87 ice_hash_create(struct ice_adapter *ad,
88 struct rte_flow *flow,
89 void *meta,
90 struct rte_flow_error *error);
91
92 static int
93 ice_hash_destroy(struct ice_adapter *ad,
94 struct rte_flow *flow,
95 struct rte_flow_error *error);
96
97 static void
98 ice_hash_uninit(struct ice_adapter *ad);
99
100 static void
101 ice_hash_free(struct rte_flow *flow);
102
103 static int
104 ice_hash_parse_pattern_action(struct ice_adapter *ad,
105 struct ice_pattern_match_item *array,
106 uint32_t array_len,
107 const struct rte_flow_item pattern[],
108 const struct rte_flow_action actions[],
109 uint32_t priority,
110 void **meta,
111 struct rte_flow_error *error);
112
113 /* Rss configuration template */
114 struct ice_rss_hash_cfg ipv4_tmplt = {
115 ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_IPV4 |
116 ICE_FLOW_SEG_HDR_IPV_OTHER,
117 ICE_FLOW_HASH_ETH | ICE_FLOW_HASH_IPV4,
118 ICE_RSS_OUTER_HEADERS,
119 0
120 };
121
122 struct ice_rss_hash_cfg ipv4_udp_tmplt = {
123 ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_IPV4 |
124 ICE_FLOW_SEG_HDR_IPV_OTHER | ICE_FLOW_SEG_HDR_UDP,
125 ICE_FLOW_HASH_ETH | ICE_HASH_UDP_IPV4 | ICE_IPV4_PROT,
126 ICE_RSS_OUTER_HEADERS,
127 0
128 };
129
130 struct ice_rss_hash_cfg ipv4_tcp_tmplt = {
131 ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_IPV4 |
132 ICE_FLOW_SEG_HDR_IPV_OTHER | ICE_FLOW_SEG_HDR_TCP,
133 ICE_FLOW_HASH_ETH | ICE_HASH_TCP_IPV4 | ICE_IPV4_PROT,
134 ICE_RSS_OUTER_HEADERS,
135 0
136 };
137
138 struct ice_rss_hash_cfg ipv4_sctp_tmplt = {
139 ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_IPV4 |
140 ICE_FLOW_SEG_HDR_IPV_OTHER | ICE_FLOW_SEG_HDR_SCTP,
141 ICE_FLOW_HASH_ETH | ICE_HASH_SCTP_IPV4 | ICE_IPV4_PROT,
142 ICE_RSS_OUTER_HEADERS,
143 0
144 };
145
146 struct ice_rss_hash_cfg ipv6_tmplt = {
147 ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_IPV6 |
148 ICE_FLOW_SEG_HDR_IPV_OTHER,
149 ICE_FLOW_HASH_ETH | ICE_FLOW_HASH_IPV6,
150 ICE_RSS_OUTER_HEADERS,
151 0
152 };
153
154 struct ice_rss_hash_cfg ipv6_frag_tmplt = {
155 ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_IPV6 |
156 ICE_FLOW_SEG_HDR_IPV_FRAG,
157 ICE_FLOW_HASH_ETH | ICE_FLOW_HASH_IPV6,
158 ICE_RSS_OUTER_HEADERS,
159 0
160 };
161
162 struct ice_rss_hash_cfg ipv6_udp_tmplt = {
163 ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_IPV6 |
164 ICE_FLOW_SEG_HDR_IPV_OTHER | ICE_FLOW_SEG_HDR_UDP,
165 ICE_FLOW_HASH_ETH | ICE_HASH_UDP_IPV6 | ICE_IPV6_PROT,
166 ICE_RSS_OUTER_HEADERS,
167 0
168 };
169
170 struct ice_rss_hash_cfg ipv6_tcp_tmplt = {
171 ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_IPV6 |
172 ICE_FLOW_SEG_HDR_IPV_OTHER | ICE_FLOW_SEG_HDR_TCP,
173 ICE_FLOW_HASH_ETH | ICE_HASH_TCP_IPV6 | ICE_IPV6_PROT,
174 ICE_RSS_OUTER_HEADERS,
175 0
176 };
177
178 struct ice_rss_hash_cfg ipv6_sctp_tmplt = {
179 ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_IPV6 |
180 ICE_FLOW_SEG_HDR_IPV_OTHER | ICE_FLOW_SEG_HDR_SCTP,
181 ICE_FLOW_HASH_ETH | ICE_HASH_SCTP_IPV6 | ICE_IPV6_PROT,
182 ICE_RSS_OUTER_HEADERS,
183 0
184 };
185
186 struct ice_rss_hash_cfg outer_ipv4_inner_ipv4_tmplt = {
187 ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER,
188 ICE_FLOW_HASH_IPV4,
189 ICE_RSS_INNER_HEADERS_W_OUTER_IPV4,
190 0
191 };
192 struct ice_rss_hash_cfg outer_ipv4_inner_ipv4_udp_tmplt = {
193 ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
194 ICE_FLOW_SEG_HDR_UDP,
195 ICE_HASH_UDP_IPV4 | ICE_IPV4_PROT,
196 ICE_RSS_INNER_HEADERS_W_OUTER_IPV4,
197 0
198 };
199
200 struct ice_rss_hash_cfg outer_ipv4_inner_ipv4_tcp_tmplt = {
201 ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
202 ICE_FLOW_SEG_HDR_TCP,
203 ICE_HASH_TCP_IPV4 | ICE_IPV4_PROT,
204 ICE_RSS_INNER_HEADERS_W_OUTER_IPV4,
205 0
206 };
207
208 struct ice_rss_hash_cfg outer_ipv6_inner_ipv4_tmplt = {
209 ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER,
210 ICE_FLOW_HASH_IPV4,
211 ICE_RSS_INNER_HEADERS_W_OUTER_IPV6,
212 0
213 };
214
215 struct ice_rss_hash_cfg outer_ipv6_inner_ipv4_udp_tmplt = {
216 ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
217 ICE_FLOW_SEG_HDR_UDP,
218 ICE_HASH_UDP_IPV4 | ICE_IPV4_PROT,
219 ICE_RSS_INNER_HEADERS_W_OUTER_IPV6,
220 0
221 };
222
223 struct ice_rss_hash_cfg outer_ipv6_inner_ipv4_tcp_tmplt = {
224 ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
225 ICE_FLOW_SEG_HDR_TCP,
226 ICE_HASH_TCP_IPV4 | ICE_IPV4_PROT,
227 ICE_RSS_INNER_HEADERS_W_OUTER_IPV6,
228 0
229 };
230
231 struct ice_rss_hash_cfg outer_ipv4_inner_ipv6_tmplt = {
232 ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER,
233 ICE_FLOW_HASH_IPV6,
234 ICE_RSS_INNER_HEADERS_W_OUTER_IPV4,
235 0
236 };
237
238 struct ice_rss_hash_cfg outer_ipv4_inner_ipv6_udp_tmplt = {
239 ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
240 ICE_FLOW_SEG_HDR_UDP,
241 ICE_HASH_UDP_IPV6 | ICE_IPV6_PROT,
242 ICE_RSS_INNER_HEADERS_W_OUTER_IPV4,
243 0
244 };
245
246 struct ice_rss_hash_cfg outer_ipv4_inner_ipv6_tcp_tmplt = {
247 ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
248 ICE_FLOW_SEG_HDR_TCP,
249 ICE_HASH_TCP_IPV6 | ICE_IPV6_PROT,
250 ICE_RSS_INNER_HEADERS_W_OUTER_IPV4,
251 0
252 };
253
254 struct ice_rss_hash_cfg outer_ipv6_inner_ipv6_tmplt = {
255 ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER,
256 ICE_FLOW_HASH_IPV6,
257 ICE_RSS_INNER_HEADERS_W_OUTER_IPV6,
258 0
259 };
260 struct ice_rss_hash_cfg outer_ipv6_inner_ipv6_udp_tmplt = {
261 ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
262 ICE_FLOW_SEG_HDR_UDP,
263 ICE_HASH_UDP_IPV6 | ICE_IPV6_PROT,
264 ICE_RSS_INNER_HEADERS_W_OUTER_IPV6,
265 0
266 };
267
268 struct ice_rss_hash_cfg outer_ipv6_inner_ipv6_tcp_tmplt = {
269 ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
270 ICE_FLOW_SEG_HDR_TCP,
271 ICE_HASH_TCP_IPV6 | ICE_IPV6_PROT,
272 ICE_RSS_INNER_HEADERS_W_OUTER_IPV6,
273 0
274 };
275
276 struct ice_rss_hash_cfg eth_ipv4_esp_tmplt = {
277 ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
278 ICE_FLOW_SEG_HDR_ESP,
279 ICE_FLOW_HASH_ESP_SPI,
280 ICE_RSS_OUTER_HEADERS,
281 0
282 };
283
284 struct ice_rss_hash_cfg eth_ipv4_udp_esp_tmplt = {
285 ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
286 ICE_FLOW_SEG_HDR_NAT_T_ESP,
287 ICE_FLOW_HASH_NAT_T_ESP_SPI,
288 ICE_RSS_OUTER_HEADERS,
289 0
290 };
291
292 struct ice_rss_hash_cfg eth_ipv4_ah_tmplt = {
293 ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
294 ICE_FLOW_SEG_HDR_AH,
295 ICE_FLOW_HASH_AH_SPI,
296 ICE_RSS_OUTER_HEADERS,
297 0
298 };
299
300 struct ice_rss_hash_cfg eth_ipv4_l2tpv3_tmplt = {
301 ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
302 ICE_FLOW_SEG_HDR_L2TPV3,
303 ICE_FLOW_HASH_L2TPV3_SESS_ID,
304 ICE_RSS_OUTER_HEADERS,
305 0
306 };
307
308 struct ice_rss_hash_cfg eth_ipv4_pfcp_tmplt = {
309 ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
310 ICE_FLOW_SEG_HDR_PFCP_SESSION,
311 ICE_FLOW_HASH_PFCP_SEID,
312 ICE_RSS_OUTER_HEADERS,
313 0
314 };
315
316 struct ice_rss_hash_cfg eth_ipv6_esp_tmplt = {
317 ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
318 ICE_FLOW_SEG_HDR_ESP,
319 ICE_FLOW_HASH_ESP_SPI,
320 ICE_RSS_OUTER_HEADERS,
321 0
322 };
323
324 struct ice_rss_hash_cfg eth_ipv6_udp_esp_tmplt = {
325 ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
326 ICE_FLOW_SEG_HDR_NAT_T_ESP,
327 ICE_FLOW_HASH_NAT_T_ESP_SPI,
328 ICE_RSS_OUTER_HEADERS,
329 0
330 };
331
332 struct ice_rss_hash_cfg eth_ipv6_ah_tmplt = {
333 ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
334 ICE_FLOW_SEG_HDR_AH,
335 ICE_FLOW_HASH_AH_SPI,
336 ICE_RSS_OUTER_HEADERS,
337 0
338 };
339
340 struct ice_rss_hash_cfg eth_ipv6_l2tpv3_tmplt = {
341 ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
342 ICE_FLOW_SEG_HDR_L2TPV3,
343 ICE_FLOW_HASH_L2TPV3_SESS_ID,
344 ICE_RSS_OUTER_HEADERS,
345 0
346 };
347
348 struct ice_rss_hash_cfg eth_ipv6_pfcp_tmplt = {
349 ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
350 ICE_FLOW_SEG_HDR_PFCP_SESSION,
351 ICE_FLOW_HASH_PFCP_SEID,
352 ICE_RSS_OUTER_HEADERS,
353 0
354 };
355
356 struct ice_rss_hash_cfg pppoe_tmplt = {
357 ICE_FLOW_SEG_HDR_ETH,
358 ICE_FLOW_HASH_ETH | ICE_FLOW_HASH_PPPOE_SESS_ID,
359 ICE_RSS_OUTER_HEADERS,
360 0
361 };
362
363 struct ice_rss_hash_cfg empty_tmplt = {
364 ICE_FLOW_SEG_HDR_NONE,
365 0,
366 ICE_RSS_ANY_HEADERS,
367 0
368 };
369
370 struct ice_rss_hash_cfg eth_tmplt = {
371 ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_ETH_NON_IP,
372 ICE_FLOW_HASH_ETH,
373 ICE_RSS_OUTER_HEADERS,
374 0
375 };
376
377 /* IPv4 */
378 #define ICE_RSS_TYPE_ETH_IPV4 (RTE_ETH_RSS_ETH | RTE_ETH_RSS_IPV4 | \
379 RTE_ETH_RSS_FRAG_IPV4 | \
380 RTE_ETH_RSS_IPV4_CHKSUM)
381 #define ICE_RSS_TYPE_ETH_IPV4_UDP (ICE_RSS_TYPE_ETH_IPV4 | \
382 RTE_ETH_RSS_NONFRAG_IPV4_UDP | \
383 RTE_ETH_RSS_L4_CHKSUM)
384 #define ICE_RSS_TYPE_ETH_IPV4_TCP (ICE_RSS_TYPE_ETH_IPV4 | \
385 RTE_ETH_RSS_NONFRAG_IPV4_TCP | \
386 RTE_ETH_RSS_L4_CHKSUM)
387 #define ICE_RSS_TYPE_ETH_IPV4_SCTP (ICE_RSS_TYPE_ETH_IPV4 | \
388 RTE_ETH_RSS_NONFRAG_IPV4_SCTP | \
389 RTE_ETH_RSS_L4_CHKSUM)
390 #define ICE_RSS_TYPE_IPV4 RTE_ETH_RSS_IPV4
391 #define ICE_RSS_TYPE_IPV4_UDP (RTE_ETH_RSS_IPV4 | \
392 RTE_ETH_RSS_NONFRAG_IPV4_UDP)
393 #define ICE_RSS_TYPE_IPV4_TCP (RTE_ETH_RSS_IPV4 | \
394 RTE_ETH_RSS_NONFRAG_IPV4_TCP)
395 #define ICE_RSS_TYPE_IPV4_SCTP (RTE_ETH_RSS_IPV4 | \
396 RTE_ETH_RSS_NONFRAG_IPV4_SCTP)
397
398 /* IPv6 */
399 #define ICE_RSS_TYPE_ETH_IPV6 (RTE_ETH_RSS_ETH | RTE_ETH_RSS_IPV6)
400 #define ICE_RSS_TYPE_ETH_IPV6_FRAG (RTE_ETH_RSS_ETH | RTE_ETH_RSS_IPV6 | \
401 RTE_ETH_RSS_FRAG_IPV6)
402 #define ICE_RSS_TYPE_ETH_IPV6_UDP (ICE_RSS_TYPE_ETH_IPV6 | \
403 RTE_ETH_RSS_NONFRAG_IPV6_UDP | \
404 RTE_ETH_RSS_L4_CHKSUM)
405 #define ICE_RSS_TYPE_ETH_IPV6_TCP (ICE_RSS_TYPE_ETH_IPV6 | \
406 RTE_ETH_RSS_NONFRAG_IPV6_TCP | \
407 RTE_ETH_RSS_L4_CHKSUM)
408 #define ICE_RSS_TYPE_ETH_IPV6_SCTP (ICE_RSS_TYPE_ETH_IPV6 | \
409 RTE_ETH_RSS_NONFRAG_IPV6_SCTP | \
410 RTE_ETH_RSS_L4_CHKSUM)
411 #define ICE_RSS_TYPE_IPV6 RTE_ETH_RSS_IPV6
412 #define ICE_RSS_TYPE_IPV6_UDP (RTE_ETH_RSS_IPV6 | \
413 RTE_ETH_RSS_NONFRAG_IPV6_UDP)
414 #define ICE_RSS_TYPE_IPV6_TCP (RTE_ETH_RSS_IPV6 | \
415 RTE_ETH_RSS_NONFRAG_IPV6_TCP)
416 #define ICE_RSS_TYPE_IPV6_SCTP (RTE_ETH_RSS_IPV6 | \
417 RTE_ETH_RSS_NONFRAG_IPV6_SCTP)
418
419 /* VLAN IPV4 */
420 #define ICE_RSS_TYPE_VLAN_IPV4 (ICE_RSS_TYPE_IPV4 | \
421 RTE_ETH_RSS_S_VLAN | RTE_ETH_RSS_C_VLAN | \
422 RTE_ETH_RSS_FRAG_IPV4)
423 #define ICE_RSS_TYPE_VLAN_IPV4_UDP (ICE_RSS_TYPE_IPV4_UDP | \
424 RTE_ETH_RSS_S_VLAN | RTE_ETH_RSS_C_VLAN)
425 #define ICE_RSS_TYPE_VLAN_IPV4_TCP (ICE_RSS_TYPE_IPV4_TCP | \
426 RTE_ETH_RSS_S_VLAN | RTE_ETH_RSS_C_VLAN)
427 #define ICE_RSS_TYPE_VLAN_IPV4_SCTP (ICE_RSS_TYPE_IPV4_SCTP | \
428 RTE_ETH_RSS_S_VLAN | RTE_ETH_RSS_C_VLAN)
429 /* VLAN IPv6 */
430 #define ICE_RSS_TYPE_VLAN_IPV6 (ICE_RSS_TYPE_IPV6 | \
431 RTE_ETH_RSS_S_VLAN | RTE_ETH_RSS_C_VLAN)
432 #define ICE_RSS_TYPE_VLAN_IPV6_FRAG (ICE_RSS_TYPE_IPV6 | \
433 RTE_ETH_RSS_S_VLAN | RTE_ETH_RSS_C_VLAN | \
434 RTE_ETH_RSS_FRAG_IPV6)
435 #define ICE_RSS_TYPE_VLAN_IPV6_UDP (ICE_RSS_TYPE_IPV6_UDP | \
436 RTE_ETH_RSS_S_VLAN | RTE_ETH_RSS_C_VLAN)
437 #define ICE_RSS_TYPE_VLAN_IPV6_TCP (ICE_RSS_TYPE_IPV6_TCP | \
438 RTE_ETH_RSS_S_VLAN | RTE_ETH_RSS_C_VLAN)
439 #define ICE_RSS_TYPE_VLAN_IPV6_SCTP (ICE_RSS_TYPE_IPV6_SCTP | \
440 RTE_ETH_RSS_S_VLAN | RTE_ETH_RSS_C_VLAN)
441
442 /* GTPU IPv4 */
443 #define ICE_RSS_TYPE_GTPU_IPV4 (ICE_RSS_TYPE_IPV4 | \
444 RTE_ETH_RSS_GTPU)
445 #define ICE_RSS_TYPE_GTPU_IPV4_UDP (ICE_RSS_TYPE_IPV4_UDP | \
446 RTE_ETH_RSS_GTPU)
447 #define ICE_RSS_TYPE_GTPU_IPV4_TCP (ICE_RSS_TYPE_IPV4_TCP | \
448 RTE_ETH_RSS_GTPU)
449 /* GTPU IPv6 */
450 #define ICE_RSS_TYPE_GTPU_IPV6 (ICE_RSS_TYPE_IPV6 | \
451 RTE_ETH_RSS_GTPU)
452 #define ICE_RSS_TYPE_GTPU_IPV6_UDP (ICE_RSS_TYPE_IPV6_UDP | \
453 RTE_ETH_RSS_GTPU)
454 #define ICE_RSS_TYPE_GTPU_IPV6_TCP (ICE_RSS_TYPE_IPV6_TCP | \
455 RTE_ETH_RSS_GTPU)
456
457 /* PPPOE */
458 #define ICE_RSS_TYPE_PPPOE (RTE_ETH_RSS_ETH | RTE_ETH_RSS_PPPOE)
459
460 /* PPPOE IPv4 */
461 #define ICE_RSS_TYPE_PPPOE_IPV4 (ICE_RSS_TYPE_IPV4 | \
462 ICE_RSS_TYPE_PPPOE)
463 #define ICE_RSS_TYPE_PPPOE_IPV4_UDP (ICE_RSS_TYPE_IPV4_UDP | \
464 ICE_RSS_TYPE_PPPOE)
465 #define ICE_RSS_TYPE_PPPOE_IPV4_TCP (ICE_RSS_TYPE_IPV4_TCP | \
466 ICE_RSS_TYPE_PPPOE)
467
468 /* PPPOE IPv6 */
469 #define ICE_RSS_TYPE_PPPOE_IPV6 (ICE_RSS_TYPE_IPV6 | \
470 ICE_RSS_TYPE_PPPOE)
471 #define ICE_RSS_TYPE_PPPOE_IPV6_UDP (ICE_RSS_TYPE_IPV6_UDP | \
472 ICE_RSS_TYPE_PPPOE)
473 #define ICE_RSS_TYPE_PPPOE_IPV6_TCP (ICE_RSS_TYPE_IPV6_TCP | \
474 ICE_RSS_TYPE_PPPOE)
475
476 /* ESP, AH, L2TPV3 and PFCP */
477 #define ICE_RSS_TYPE_IPV4_ESP (RTE_ETH_RSS_ESP | RTE_ETH_RSS_IPV4)
478 #define ICE_RSS_TYPE_IPV6_ESP (RTE_ETH_RSS_ESP | RTE_ETH_RSS_IPV6)
479 #define ICE_RSS_TYPE_IPV4_AH (RTE_ETH_RSS_AH | RTE_ETH_RSS_IPV4)
480 #define ICE_RSS_TYPE_IPV6_AH (RTE_ETH_RSS_AH | RTE_ETH_RSS_IPV6)
481 #define ICE_RSS_TYPE_IPV4_L2TPV3 (RTE_ETH_RSS_L2TPV3 | RTE_ETH_RSS_IPV4)
482 #define ICE_RSS_TYPE_IPV6_L2TPV3 (RTE_ETH_RSS_L2TPV3 | RTE_ETH_RSS_IPV6)
483 #define ICE_RSS_TYPE_IPV4_PFCP (RTE_ETH_RSS_PFCP | RTE_ETH_RSS_IPV4)
484 #define ICE_RSS_TYPE_IPV6_PFCP (RTE_ETH_RSS_PFCP | RTE_ETH_RSS_IPV6)
485
486 /* MAC */
487 #define ICE_RSS_TYPE_ETH RTE_ETH_RSS_ETH
488
489 /**
490 * Supported pattern for hash.
491 * The first member is pattern item type,
492 * the second member is input set mask,
493 * the third member is ice_rss_hash_cfg template.
494 */
495 static struct ice_pattern_match_item ice_hash_pattern_list[] = {
496 /* IPV4 */
497 {pattern_raw, ICE_INSET_NONE, ICE_INSET_NONE, NULL},
498 {pattern_eth_ipv4, ICE_RSS_TYPE_ETH_IPV4, ICE_INSET_NONE, &ipv4_tmplt},
499 {pattern_eth_ipv4_udp, ICE_RSS_TYPE_ETH_IPV4_UDP, ICE_INSET_NONE, &ipv4_udp_tmplt},
500 {pattern_eth_ipv4_tcp, ICE_RSS_TYPE_ETH_IPV4_TCP, ICE_INSET_NONE, &ipv4_tcp_tmplt},
501 {pattern_eth_ipv4_sctp, ICE_RSS_TYPE_ETH_IPV4_SCTP, ICE_INSET_NONE, &ipv4_sctp_tmplt},
502 {pattern_eth_vlan_ipv4, ICE_RSS_TYPE_VLAN_IPV4, ICE_INSET_NONE, &ipv4_tmplt},
503 {pattern_eth_vlan_ipv4_udp, ICE_RSS_TYPE_VLAN_IPV4_UDP, ICE_INSET_NONE, &ipv4_udp_tmplt},
504 {pattern_eth_vlan_ipv4_tcp, ICE_RSS_TYPE_VLAN_IPV4_TCP, ICE_INSET_NONE, &ipv4_tcp_tmplt},
505 {pattern_eth_vlan_ipv4_sctp, ICE_RSS_TYPE_VLAN_IPV4_SCTP, ICE_INSET_NONE, &ipv4_sctp_tmplt},
506 {pattern_eth_ipv4_gtpu_ipv4, ICE_RSS_TYPE_GTPU_IPV4, ICE_INSET_NONE, &outer_ipv4_inner_ipv4_tmplt},
507 {pattern_eth_ipv4_gtpu_ipv4_udp, ICE_RSS_TYPE_GTPU_IPV4_UDP, ICE_INSET_NONE, &outer_ipv4_inner_ipv4_udp_tmplt},
508 {pattern_eth_ipv4_gtpu_ipv4_tcp, ICE_RSS_TYPE_GTPU_IPV4_TCP, ICE_INSET_NONE, &outer_ipv4_inner_ipv4_tcp_tmplt},
509 {pattern_eth_ipv6_gtpu_ipv4, ICE_RSS_TYPE_GTPU_IPV4, ICE_INSET_NONE, &outer_ipv6_inner_ipv4_tmplt},
510 {pattern_eth_ipv6_gtpu_ipv4_udp, ICE_RSS_TYPE_GTPU_IPV4_UDP, ICE_INSET_NONE, &outer_ipv6_inner_ipv4_udp_tmplt},
511 {pattern_eth_ipv6_gtpu_ipv4_tcp, ICE_RSS_TYPE_GTPU_IPV4_TCP, ICE_INSET_NONE, &outer_ipv6_inner_ipv4_tcp_tmplt},
512 {pattern_eth_ipv4_gtpu_eh_ipv4, ICE_RSS_TYPE_GTPU_IPV4, ICE_INSET_NONE, &outer_ipv4_inner_ipv4_tmplt},
513 {pattern_eth_ipv4_gtpu_eh_ipv4_udp, ICE_RSS_TYPE_GTPU_IPV4_UDP, ICE_INSET_NONE, &outer_ipv4_inner_ipv4_udp_tmplt},
514 {pattern_eth_ipv4_gtpu_eh_ipv4_tcp, ICE_RSS_TYPE_GTPU_IPV4_TCP, ICE_INSET_NONE, &outer_ipv4_inner_ipv4_tcp_tmplt},
515 {pattern_eth_ipv6_gtpu_eh_ipv4, ICE_RSS_TYPE_GTPU_IPV4, ICE_INSET_NONE, &outer_ipv6_inner_ipv4_tmplt},
516 {pattern_eth_ipv6_gtpu_eh_ipv4_udp, ICE_RSS_TYPE_GTPU_IPV4_UDP, ICE_INSET_NONE, &outer_ipv6_inner_ipv4_udp_tmplt},
517 {pattern_eth_ipv6_gtpu_eh_ipv4_tcp, ICE_RSS_TYPE_GTPU_IPV4_TCP, ICE_INSET_NONE, &outer_ipv6_inner_ipv4_tcp_tmplt},
518 {pattern_eth_pppoes_ipv4, ICE_RSS_TYPE_PPPOE_IPV4, ICE_INSET_NONE, &ipv4_tmplt},
519 {pattern_eth_pppoes_ipv4_udp, ICE_RSS_TYPE_PPPOE_IPV4_UDP, ICE_INSET_NONE, &ipv4_udp_tmplt},
520 {pattern_eth_pppoes_ipv4_tcp, ICE_RSS_TYPE_PPPOE_IPV4_TCP, ICE_INSET_NONE, &ipv4_tcp_tmplt},
521 {pattern_eth_ipv4_esp, ICE_RSS_TYPE_IPV4_ESP, ICE_INSET_NONE, ð_ipv4_esp_tmplt},
522 {pattern_eth_ipv4_udp_esp, ICE_RSS_TYPE_IPV4_ESP, ICE_INSET_NONE, ð_ipv4_udp_esp_tmplt},
523 {pattern_eth_ipv4_ah, ICE_RSS_TYPE_IPV4_AH, ICE_INSET_NONE, ð_ipv4_ah_tmplt},
524 {pattern_eth_ipv4_l2tp, ICE_RSS_TYPE_IPV4_L2TPV3, ICE_INSET_NONE, ð_ipv4_l2tpv3_tmplt},
525 {pattern_eth_ipv4_pfcp, ICE_RSS_TYPE_IPV4_PFCP, ICE_INSET_NONE, ð_ipv4_pfcp_tmplt},
526 /* IPV6 */
527 {pattern_eth_ipv6, ICE_RSS_TYPE_ETH_IPV6, ICE_INSET_NONE, &ipv6_tmplt},
528 {pattern_eth_ipv6_frag_ext, ICE_RSS_TYPE_ETH_IPV6_FRAG, ICE_INSET_NONE, &ipv6_frag_tmplt},
529 {pattern_eth_ipv6_udp, ICE_RSS_TYPE_ETH_IPV6_UDP, ICE_INSET_NONE, &ipv6_udp_tmplt},
530 {pattern_eth_ipv6_tcp, ICE_RSS_TYPE_ETH_IPV6_TCP, ICE_INSET_NONE, &ipv6_tcp_tmplt},
531 {pattern_eth_ipv6_sctp, ICE_RSS_TYPE_ETH_IPV6_SCTP, ICE_INSET_NONE, &ipv6_sctp_tmplt},
532 {pattern_eth_vlan_ipv6, ICE_RSS_TYPE_VLAN_IPV6, ICE_INSET_NONE, &ipv6_tmplt},
533 {pattern_eth_vlan_ipv6_frag_ext, ICE_RSS_TYPE_VLAN_IPV6_FRAG, ICE_INSET_NONE, &ipv6_frag_tmplt},
534 {pattern_eth_vlan_ipv6_udp, ICE_RSS_TYPE_VLAN_IPV6_UDP, ICE_INSET_NONE, &ipv6_udp_tmplt},
535 {pattern_eth_vlan_ipv6_tcp, ICE_RSS_TYPE_VLAN_IPV6_TCP, ICE_INSET_NONE, &ipv6_tcp_tmplt},
536 {pattern_eth_vlan_ipv6_sctp, ICE_RSS_TYPE_VLAN_IPV6_SCTP, ICE_INSET_NONE, &ipv6_sctp_tmplt},
537 {pattern_eth_ipv4_gtpu_ipv6, ICE_RSS_TYPE_GTPU_IPV6, ICE_INSET_NONE, &outer_ipv4_inner_ipv6_tmplt},
538 {pattern_eth_ipv4_gtpu_ipv6_udp, ICE_RSS_TYPE_GTPU_IPV6_UDP, ICE_INSET_NONE, &outer_ipv4_inner_ipv6_udp_tmplt},
539 {pattern_eth_ipv4_gtpu_ipv6_tcp, ICE_RSS_TYPE_GTPU_IPV6_TCP, ICE_INSET_NONE, &outer_ipv4_inner_ipv6_tcp_tmplt},
540 {pattern_eth_ipv6_gtpu_ipv6, ICE_RSS_TYPE_GTPU_IPV6, ICE_INSET_NONE, &outer_ipv6_inner_ipv6_tmplt},
541 {pattern_eth_ipv6_gtpu_ipv6_udp, ICE_RSS_TYPE_GTPU_IPV6_UDP, ICE_INSET_NONE, &outer_ipv6_inner_ipv6_udp_tmplt},
542 {pattern_eth_ipv6_gtpu_ipv6_tcp, ICE_RSS_TYPE_GTPU_IPV6_TCP, ICE_INSET_NONE, &outer_ipv6_inner_ipv6_tcp_tmplt},
543 {pattern_eth_ipv4_gtpu_eh_ipv6, ICE_RSS_TYPE_GTPU_IPV6, ICE_INSET_NONE, &outer_ipv4_inner_ipv6_tmplt},
544 {pattern_eth_ipv4_gtpu_eh_ipv6_udp, ICE_RSS_TYPE_GTPU_IPV6_UDP, ICE_INSET_NONE, &outer_ipv4_inner_ipv6_udp_tmplt},
545 {pattern_eth_ipv4_gtpu_eh_ipv6_tcp, ICE_RSS_TYPE_GTPU_IPV6_TCP, ICE_INSET_NONE, &outer_ipv4_inner_ipv6_tcp_tmplt},
546 {pattern_eth_ipv6_gtpu_eh_ipv6, ICE_RSS_TYPE_GTPU_IPV6, ICE_INSET_NONE, &outer_ipv6_inner_ipv6_tmplt},
547 {pattern_eth_ipv6_gtpu_eh_ipv6_udp, ICE_RSS_TYPE_GTPU_IPV6_UDP, ICE_INSET_NONE, &outer_ipv6_inner_ipv6_udp_tmplt},
548 {pattern_eth_ipv6_gtpu_eh_ipv6_tcp, ICE_RSS_TYPE_GTPU_IPV6_TCP, ICE_INSET_NONE, &outer_ipv6_inner_ipv6_tcp_tmplt},
549 {pattern_eth_pppoes_ipv6, ICE_RSS_TYPE_PPPOE_IPV6, ICE_INSET_NONE, &ipv6_tmplt},
550 {pattern_eth_pppoes_ipv6_udp, ICE_RSS_TYPE_PPPOE_IPV6_UDP, ICE_INSET_NONE, &ipv6_udp_tmplt},
551 {pattern_eth_pppoes_ipv6_tcp, ICE_RSS_TYPE_PPPOE_IPV6_TCP, ICE_INSET_NONE, &ipv6_tcp_tmplt},
552 {pattern_eth_ipv6_esp, ICE_RSS_TYPE_IPV6_ESP, ICE_INSET_NONE, ð_ipv6_esp_tmplt},
553 {pattern_eth_ipv6_udp_esp, ICE_RSS_TYPE_IPV6_ESP, ICE_INSET_NONE, ð_ipv6_udp_esp_tmplt},
554 {pattern_eth_ipv6_ah, ICE_RSS_TYPE_IPV6_AH, ICE_INSET_NONE, ð_ipv6_ah_tmplt},
555 {pattern_eth_ipv6_l2tp, ICE_RSS_TYPE_IPV6_L2TPV3, ICE_INSET_NONE, ð_ipv6_l2tpv3_tmplt},
556 {pattern_eth_ipv6_pfcp, ICE_RSS_TYPE_IPV6_PFCP, ICE_INSET_NONE, ð_ipv6_pfcp_tmplt},
557 /* PPPOE */
558 {pattern_eth_pppoes, ICE_RSS_TYPE_PPPOE, ICE_INSET_NONE, &pppoe_tmplt},
559 /* MAC */
560 {pattern_ethertype, ICE_RSS_TYPE_ETH, ICE_INSET_NONE, ð_tmplt},
561 /* EMPTY */
562 {pattern_empty, ICE_INSET_NONE, ICE_INSET_NONE, &empty_tmplt},
563 };
564
565 static struct ice_flow_engine ice_hash_engine = {
566 .init = ice_hash_init,
567 .create = ice_hash_create,
568 .destroy = ice_hash_destroy,
569 .uninit = ice_hash_uninit,
570 .free = ice_hash_free,
571 .type = ICE_FLOW_ENGINE_HASH,
572 };
573
574 /* Register parser for os package. */
575 static struct ice_flow_parser ice_hash_parser = {
576 .engine = &ice_hash_engine,
577 .array = ice_hash_pattern_list,
578 .array_len = RTE_DIM(ice_hash_pattern_list),
579 .parse_pattern_action = ice_hash_parse_pattern_action,
580 .stage = ICE_FLOW_STAGE_RSS,
581 };
582
RTE_INIT(ice_hash_engine_init)583 RTE_INIT(ice_hash_engine_init)
584 {
585 struct ice_flow_engine *engine = &ice_hash_engine;
586 ice_register_flow_engine(engine);
587 }
588
589 static int
ice_hash_init(struct ice_adapter * ad)590 ice_hash_init(struct ice_adapter *ad)
591 {
592 struct ice_flow_parser *parser = NULL;
593
594 if (ad->hw.dcf_enabled)
595 return 0;
596
597 parser = &ice_hash_parser;
598
599 return ice_register_parser(parser, ad);
600 }
601
602 static int
ice_hash_parse_pattern(const struct rte_flow_item pattern[],uint64_t * phint,struct rte_flow_error * error)603 ice_hash_parse_pattern(const struct rte_flow_item pattern[], uint64_t *phint,
604 struct rte_flow_error *error)
605 {
606 const struct rte_flow_item *item = pattern;
607 const struct rte_flow_item_gtp_psc *psc;
608
609 for (item = pattern; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
610 if (item->last) {
611 rte_flow_error_set(error, EINVAL,
612 RTE_FLOW_ERROR_TYPE_ITEM, item,
613 "Not support range");
614 return -rte_errno;
615 }
616
617 switch (item->type) {
618 case RTE_FLOW_ITEM_TYPE_RAW:
619 *phint |= ICE_PHINT_RAW;
620 break;
621 case RTE_FLOW_ITEM_TYPE_VLAN:
622 *phint |= ICE_PHINT_VLAN;
623 break;
624 case RTE_FLOW_ITEM_TYPE_PPPOES:
625 *phint |= ICE_PHINT_PPPOE;
626 break;
627 case RTE_FLOW_ITEM_TYPE_GTPU:
628 *phint |= ICE_PHINT_GTPU;
629 break;
630 case RTE_FLOW_ITEM_TYPE_GTP_PSC:
631 *phint |= ICE_PHINT_GTPU_EH;
632 psc = item->spec;
633 if (!psc)
634 break;
635 else if (psc->hdr.type == ICE_GTPU_EH_UPLINK)
636 *phint |= ICE_PHINT_GTPU_EH_UP;
637 else if (psc->hdr.type == ICE_GTPU_EH_DWNLINK)
638 *phint |= ICE_PHINT_GTPU_EH_DWN;
639 break;
640 default:
641 break;
642 }
643 }
644
645 return 0;
646 }
647
648 static int
ice_hash_parse_raw_pattern(struct ice_adapter * ad,const struct rte_flow_item * item,struct ice_rss_meta * meta)649 ice_hash_parse_raw_pattern(struct ice_adapter *ad,
650 const struct rte_flow_item *item,
651 struct ice_rss_meta *meta)
652 {
653 const struct rte_flow_item_raw *raw_spec, *raw_mask;
654 struct ice_parser_profile prof;
655 struct ice_parser_result rslt;
656 uint8_t *pkt_buf, *msk_buf;
657 uint8_t spec_len, pkt_len;
658 uint8_t tmp_val = 0;
659 uint8_t tmp_c = 0;
660 int i, j;
661
662 if (ad->psr == NULL)
663 return -rte_errno;
664
665 raw_spec = item->spec;
666 raw_mask = item->mask;
667
668 spec_len = strlen((char *)(uintptr_t)raw_spec->pattern);
669 if (strlen((char *)(uintptr_t)raw_mask->pattern) !=
670 spec_len)
671 return -rte_errno;
672
673 pkt_len = spec_len / 2;
674
675 pkt_buf = rte_zmalloc(NULL, pkt_len, 0);
676 if (!pkt_buf)
677 return -ENOMEM;
678
679 msk_buf = rte_zmalloc(NULL, pkt_len, 0);
680 if (!msk_buf)
681 return -ENOMEM;
682
683 /* convert string to int array */
684 for (i = 0, j = 0; i < spec_len; i += 2, j++) {
685 tmp_c = raw_spec->pattern[i];
686 if (tmp_c >= 'a' && tmp_c <= 'f')
687 tmp_val = tmp_c - 'a' + 10;
688 if (tmp_c >= 'A' && tmp_c <= 'F')
689 tmp_val = tmp_c - 'A' + 10;
690 if (tmp_c >= '0' && tmp_c <= '9')
691 tmp_val = tmp_c - '0';
692
693 tmp_c = raw_spec->pattern[i + 1];
694 if (tmp_c >= 'a' && tmp_c <= 'f')
695 pkt_buf[j] = tmp_val * 16 + tmp_c - 'a' + 10;
696 if (tmp_c >= 'A' && tmp_c <= 'F')
697 pkt_buf[j] = tmp_val * 16 + tmp_c - 'A' + 10;
698 if (tmp_c >= '0' && tmp_c <= '9')
699 pkt_buf[j] = tmp_val * 16 + tmp_c - '0';
700
701 tmp_c = raw_mask->pattern[i];
702 if (tmp_c >= 'a' && tmp_c <= 'f')
703 tmp_val = tmp_c - 0x57;
704 if (tmp_c >= 'A' && tmp_c <= 'F')
705 tmp_val = tmp_c - 0x37;
706 if (tmp_c >= '0' && tmp_c <= '9')
707 tmp_val = tmp_c - '0';
708
709 tmp_c = raw_mask->pattern[i + 1];
710 if (tmp_c >= 'a' && tmp_c <= 'f')
711 msk_buf[j] = tmp_val * 16 + tmp_c - 'a' + 10;
712 if (tmp_c >= 'A' && tmp_c <= 'F')
713 msk_buf[j] = tmp_val * 16 + tmp_c - 'A' + 10;
714 if (tmp_c >= '0' && tmp_c <= '9')
715 msk_buf[j] = tmp_val * 16 + tmp_c - '0';
716 }
717
718 if (ice_parser_run(ad->psr, pkt_buf, pkt_len, &rslt))
719 return -rte_errno;
720
721 if (ice_parser_profile_init(&rslt, pkt_buf, msk_buf,
722 pkt_len, ICE_BLK_RSS, true, &prof))
723 return -rte_errno;
724
725 rte_memcpy(&meta->raw.prof, &prof, sizeof(prof));
726
727 rte_free(pkt_buf);
728 rte_free(msk_buf);
729 return 0;
730 }
731
732 static void
ice_refine_hash_cfg_l234(struct ice_rss_hash_cfg * hash_cfg,uint64_t rss_type)733 ice_refine_hash_cfg_l234(struct ice_rss_hash_cfg *hash_cfg,
734 uint64_t rss_type)
735 {
736 uint32_t *addl_hdrs = &hash_cfg->addl_hdrs;
737 uint64_t *hash_flds = &hash_cfg->hash_flds;
738
739 if (*addl_hdrs & ICE_FLOW_SEG_HDR_ETH) {
740 if (!(rss_type & RTE_ETH_RSS_ETH))
741 *hash_flds &= ~ICE_FLOW_HASH_ETH;
742 if (rss_type & RTE_ETH_RSS_L2_SRC_ONLY)
743 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_DA));
744 else if (rss_type & RTE_ETH_RSS_L2_DST_ONLY)
745 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_SA));
746 *addl_hdrs &= ~ICE_FLOW_SEG_HDR_ETH;
747 }
748
749 if (*addl_hdrs & ICE_FLOW_SEG_HDR_ETH_NON_IP) {
750 if (rss_type & RTE_ETH_RSS_ETH)
751 *hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_TYPE);
752 }
753
754 if (*addl_hdrs & ICE_FLOW_SEG_HDR_VLAN) {
755 if (rss_type & RTE_ETH_RSS_C_VLAN)
756 *hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_C_VLAN);
757 else if (rss_type & RTE_ETH_RSS_S_VLAN)
758 *hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_S_VLAN);
759 }
760
761 if (*addl_hdrs & ICE_FLOW_SEG_HDR_PPPOE) {
762 if (!(rss_type & RTE_ETH_RSS_PPPOE))
763 *hash_flds &= ~ICE_FLOW_HASH_PPPOE_SESS_ID;
764 }
765
766 if (*addl_hdrs & ICE_FLOW_SEG_HDR_IPV4) {
767 if (rss_type &
768 (RTE_ETH_RSS_IPV4 | RTE_ETH_RSS_FRAG_IPV4 |
769 RTE_ETH_RSS_NONFRAG_IPV4_UDP |
770 RTE_ETH_RSS_NONFRAG_IPV4_TCP |
771 RTE_ETH_RSS_NONFRAG_IPV4_SCTP)) {
772 if (rss_type & RTE_ETH_RSS_FRAG_IPV4) {
773 *addl_hdrs |= ICE_FLOW_SEG_HDR_IPV_FRAG;
774 *addl_hdrs &= ~(ICE_FLOW_SEG_HDR_IPV_OTHER);
775 *hash_flds |=
776 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_ID);
777 }
778 if (rss_type & RTE_ETH_RSS_L3_SRC_ONLY)
779 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA));
780 else if (rss_type & RTE_ETH_RSS_L3_DST_ONLY)
781 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA));
782 else if (rss_type &
783 (RTE_ETH_RSS_L4_SRC_ONLY |
784 RTE_ETH_RSS_L4_DST_ONLY))
785 *hash_flds &= ~ICE_FLOW_HASH_IPV4;
786 } else {
787 *hash_flds &= ~ICE_FLOW_HASH_IPV4;
788 }
789
790 if (rss_type & RTE_ETH_RSS_IPV4_CHKSUM)
791 *hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_CHKSUM);
792 }
793
794 if (*addl_hdrs & ICE_FLOW_SEG_HDR_IPV6) {
795 if (rss_type &
796 (RTE_ETH_RSS_IPV6 | RTE_ETH_RSS_FRAG_IPV6 |
797 RTE_ETH_RSS_NONFRAG_IPV6_UDP |
798 RTE_ETH_RSS_NONFRAG_IPV6_TCP |
799 RTE_ETH_RSS_NONFRAG_IPV6_SCTP)) {
800 if (rss_type & RTE_ETH_RSS_FRAG_IPV6)
801 *hash_flds |=
802 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_ID);
803 if (rss_type & RTE_ETH_RSS_L3_SRC_ONLY)
804 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA));
805 else if (rss_type & RTE_ETH_RSS_L3_DST_ONLY)
806 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA));
807 else if (rss_type &
808 (RTE_ETH_RSS_L4_SRC_ONLY |
809 RTE_ETH_RSS_L4_DST_ONLY))
810 *hash_flds &= ~ICE_FLOW_HASH_IPV6;
811 } else {
812 *hash_flds &= ~ICE_FLOW_HASH_IPV6;
813 }
814
815 if (rss_type & RTE_ETH_RSS_L3_PRE32) {
816 if (rss_type & RTE_ETH_RSS_L3_SRC_ONLY) {
817 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA));
818 *hash_flds |= (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE32_SA));
819 } else if (rss_type & RTE_ETH_RSS_L3_DST_ONLY) {
820 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA));
821 *hash_flds |= (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE32_DA));
822 } else {
823 *hash_flds &= ~ICE_FLOW_HASH_IPV6;
824 *hash_flds |= ICE_FLOW_HASH_IPV6_PRE32;
825 }
826 }
827 if (rss_type & RTE_ETH_RSS_L3_PRE48) {
828 if (rss_type & RTE_ETH_RSS_L3_SRC_ONLY) {
829 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA));
830 *hash_flds |= (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE48_SA));
831 } else if (rss_type & RTE_ETH_RSS_L3_DST_ONLY) {
832 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA));
833 *hash_flds |= (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE48_DA));
834 } else {
835 *hash_flds &= ~ICE_FLOW_HASH_IPV6;
836 *hash_flds |= ICE_FLOW_HASH_IPV6_PRE48;
837 }
838 }
839 if (rss_type & RTE_ETH_RSS_L3_PRE64) {
840 if (rss_type & RTE_ETH_RSS_L3_SRC_ONLY) {
841 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA));
842 *hash_flds |= (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE64_SA));
843 } else if (rss_type & RTE_ETH_RSS_L3_DST_ONLY) {
844 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA));
845 *hash_flds |= (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE64_DA));
846 } else {
847 *hash_flds &= ~ICE_FLOW_HASH_IPV6;
848 *hash_flds |= ICE_FLOW_HASH_IPV6_PRE64;
849 }
850 }
851 }
852
853 if (*addl_hdrs & ICE_FLOW_SEG_HDR_UDP) {
854 if (rss_type &
855 (RTE_ETH_RSS_NONFRAG_IPV4_UDP |
856 RTE_ETH_RSS_NONFRAG_IPV6_UDP)) {
857 if (rss_type & RTE_ETH_RSS_L4_SRC_ONLY)
858 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT));
859 else if (rss_type & RTE_ETH_RSS_L4_DST_ONLY)
860 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT));
861 else if (rss_type &
862 (RTE_ETH_RSS_L3_SRC_ONLY |
863 RTE_ETH_RSS_L3_DST_ONLY))
864 *hash_flds &= ~ICE_FLOW_HASH_UDP_PORT;
865 } else {
866 *hash_flds &= ~ICE_FLOW_HASH_UDP_PORT;
867 }
868
869 if (rss_type & RTE_ETH_RSS_L4_CHKSUM)
870 *hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_CHKSUM);
871 }
872
873 if (*addl_hdrs & ICE_FLOW_SEG_HDR_TCP) {
874 if (rss_type &
875 (RTE_ETH_RSS_NONFRAG_IPV4_TCP |
876 RTE_ETH_RSS_NONFRAG_IPV6_TCP)) {
877 if (rss_type & RTE_ETH_RSS_L4_SRC_ONLY)
878 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT));
879 else if (rss_type & RTE_ETH_RSS_L4_DST_ONLY)
880 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT));
881 else if (rss_type &
882 (RTE_ETH_RSS_L3_SRC_ONLY |
883 RTE_ETH_RSS_L3_DST_ONLY))
884 *hash_flds &= ~ICE_FLOW_HASH_TCP_PORT;
885 } else {
886 *hash_flds &= ~ICE_FLOW_HASH_TCP_PORT;
887 }
888
889 if (rss_type & RTE_ETH_RSS_L4_CHKSUM)
890 *hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_CHKSUM);
891 }
892
893 if (*addl_hdrs & ICE_FLOW_SEG_HDR_SCTP) {
894 if (rss_type &
895 (RTE_ETH_RSS_NONFRAG_IPV4_SCTP |
896 RTE_ETH_RSS_NONFRAG_IPV6_SCTP)) {
897 if (rss_type & RTE_ETH_RSS_L4_SRC_ONLY)
898 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT));
899 else if (rss_type & RTE_ETH_RSS_L4_DST_ONLY)
900 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT));
901 else if (rss_type &
902 (RTE_ETH_RSS_L3_SRC_ONLY |
903 RTE_ETH_RSS_L3_DST_ONLY))
904 *hash_flds &= ~ICE_FLOW_HASH_SCTP_PORT;
905 } else {
906 *hash_flds &= ~ICE_FLOW_HASH_SCTP_PORT;
907 }
908
909 if (rss_type & RTE_ETH_RSS_L4_CHKSUM)
910 *hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_CHKSUM);
911 }
912
913 if (*addl_hdrs & ICE_FLOW_SEG_HDR_L2TPV3) {
914 if (!(rss_type & RTE_ETH_RSS_L2TPV3))
915 *hash_flds &= ~ICE_FLOW_HASH_L2TPV3_SESS_ID;
916 }
917
918 if (*addl_hdrs & ICE_FLOW_SEG_HDR_ESP) {
919 if (!(rss_type & RTE_ETH_RSS_ESP))
920 *hash_flds &= ~ICE_FLOW_HASH_ESP_SPI;
921 }
922
923 if (*addl_hdrs & ICE_FLOW_SEG_HDR_AH) {
924 if (!(rss_type & RTE_ETH_RSS_AH))
925 *hash_flds &= ~ICE_FLOW_HASH_AH_SPI;
926 }
927
928 if (*addl_hdrs & ICE_FLOW_SEG_HDR_PFCP_SESSION) {
929 if (!(rss_type & RTE_ETH_RSS_PFCP))
930 *hash_flds &= ~ICE_FLOW_HASH_PFCP_SEID;
931 }
932 }
933
934 static void
ice_refine_proto_hdrs_by_pattern(struct ice_rss_hash_cfg * hash_cfg,uint64_t phint)935 ice_refine_proto_hdrs_by_pattern(struct ice_rss_hash_cfg *hash_cfg,
936 uint64_t phint)
937 {
938 uint32_t *addl_hdrs = &hash_cfg->addl_hdrs;
939 if (phint & ICE_PHINT_VLAN)
940 *addl_hdrs |= ICE_FLOW_SEG_HDR_VLAN;
941
942 if (phint & ICE_PHINT_PPPOE)
943 *addl_hdrs |= ICE_FLOW_SEG_HDR_PPPOE;
944
945 if (phint & ICE_PHINT_GTPU_EH_DWN)
946 *addl_hdrs |= ICE_FLOW_SEG_HDR_GTPU_DWN;
947 else if (phint & ICE_PHINT_GTPU_EH_UP)
948 *addl_hdrs |= ICE_FLOW_SEG_HDR_GTPU_UP;
949 else if (phint & ICE_PHINT_GTPU_EH)
950 *addl_hdrs |= ICE_FLOW_SEG_HDR_GTPU_EH;
951 else if (phint & ICE_PHINT_GTPU)
952 *addl_hdrs |= ICE_FLOW_SEG_HDR_GTPU_IP;
953 }
954
955 static void
ice_refine_hash_cfg_gtpu(struct ice_rss_hash_cfg * hash_cfg,uint64_t rss_type)956 ice_refine_hash_cfg_gtpu(struct ice_rss_hash_cfg *hash_cfg,
957 uint64_t rss_type)
958 {
959 uint32_t *addl_hdrs = &hash_cfg->addl_hdrs;
960 uint64_t *hash_flds = &hash_cfg->hash_flds;
961
962 /* update hash field for gtpu eh/gtpu dwn/gtpu up. */
963 if (!(rss_type & RTE_ETH_RSS_GTPU))
964 return;
965
966 if (*addl_hdrs & ICE_FLOW_SEG_HDR_GTPU_DWN)
967 *hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_DWN_TEID);
968 else if (*addl_hdrs & ICE_FLOW_SEG_HDR_GTPU_UP)
969 *hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_UP_TEID);
970 else if (*addl_hdrs & ICE_FLOW_SEG_HDR_GTPU_EH)
971 *hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_EH_TEID);
972 else if (*addl_hdrs & ICE_FLOW_SEG_HDR_GTPU_IP)
973 *hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_IP_TEID);
974 }
975
ice_refine_hash_cfg(struct ice_rss_hash_cfg * hash_cfg,uint64_t rss_type,uint64_t phint)976 static void ice_refine_hash_cfg(struct ice_rss_hash_cfg *hash_cfg,
977 uint64_t rss_type, uint64_t phint)
978 {
979 ice_refine_proto_hdrs_by_pattern(hash_cfg, phint);
980 ice_refine_hash_cfg_l234(hash_cfg, rss_type);
981 ice_refine_hash_cfg_gtpu(hash_cfg, rss_type);
982 }
983
984 static uint64_t invalid_rss_comb[] = {
985 RTE_ETH_RSS_IPV4 | RTE_ETH_RSS_NONFRAG_IPV4_UDP,
986 RTE_ETH_RSS_IPV4 | RTE_ETH_RSS_NONFRAG_IPV4_TCP,
987 RTE_ETH_RSS_IPV6 | RTE_ETH_RSS_NONFRAG_IPV6_UDP,
988 RTE_ETH_RSS_IPV6 | RTE_ETH_RSS_NONFRAG_IPV6_TCP,
989 RTE_ETH_RSS_L3_PRE40 |
990 RTE_ETH_RSS_L3_PRE56 |
991 RTE_ETH_RSS_L3_PRE96
992 };
993
994 struct rss_attr_type {
995 uint64_t attr;
996 uint64_t type;
997 };
998
999 static struct rss_attr_type rss_attr_to_valid_type[] = {
1000 {RTE_ETH_RSS_L2_SRC_ONLY | RTE_ETH_RSS_L2_DST_ONLY, RTE_ETH_RSS_ETH},
1001 {RTE_ETH_RSS_L3_SRC_ONLY | RTE_ETH_RSS_L3_DST_ONLY, VALID_RSS_L3},
1002 {RTE_ETH_RSS_L4_SRC_ONLY | RTE_ETH_RSS_L4_DST_ONLY, VALID_RSS_L4},
1003 /* current ipv6 prefix only supports prefix 64 bits*/
1004 {RTE_ETH_RSS_L3_PRE32, VALID_RSS_IPV6},
1005 {RTE_ETH_RSS_L3_PRE48, VALID_RSS_IPV6},
1006 {RTE_ETH_RSS_L3_PRE64, VALID_RSS_IPV6},
1007 {INVALID_RSS_ATTR, 0}
1008 };
1009
1010 static bool
ice_any_invalid_rss_type(enum rte_eth_hash_function rss_func,uint64_t rss_type,uint64_t allow_rss_type)1011 ice_any_invalid_rss_type(enum rte_eth_hash_function rss_func,
1012 uint64_t rss_type, uint64_t allow_rss_type)
1013 {
1014 uint32_t i;
1015
1016 /**
1017 * Check if l3/l4 SRC/DST_ONLY is set for SYMMETRIC_TOEPLITZ
1018 * hash function.
1019 */
1020 if (rss_func == RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ) {
1021 if (rss_type & (RTE_ETH_RSS_L3_SRC_ONLY | RTE_ETH_RSS_L3_DST_ONLY |
1022 RTE_ETH_RSS_L4_SRC_ONLY | RTE_ETH_RSS_L4_DST_ONLY))
1023 return true;
1024
1025 if (!(rss_type &
1026 (RTE_ETH_RSS_IPV4 | RTE_ETH_RSS_IPV6 |
1027 RTE_ETH_RSS_FRAG_IPV4 | RTE_ETH_RSS_FRAG_IPV6 |
1028 RTE_ETH_RSS_NONFRAG_IPV4_UDP | RTE_ETH_RSS_NONFRAG_IPV6_UDP |
1029 RTE_ETH_RSS_NONFRAG_IPV4_TCP | RTE_ETH_RSS_NONFRAG_IPV6_TCP |
1030 RTE_ETH_RSS_NONFRAG_IPV4_SCTP | RTE_ETH_RSS_NONFRAG_IPV6_SCTP)))
1031 return true;
1032 }
1033
1034 /* check invalid combination */
1035 for (i = 0; i < RTE_DIM(invalid_rss_comb); i++) {
1036 if (__builtin_popcountll(rss_type & invalid_rss_comb[i]) > 1)
1037 return true;
1038 }
1039
1040 /* check invalid RSS attribute */
1041 for (i = 0; i < RTE_DIM(rss_attr_to_valid_type); i++) {
1042 struct rss_attr_type *rat = &rss_attr_to_valid_type[i];
1043
1044 if (rat->attr & rss_type && !(rat->type & rss_type))
1045 return true;
1046 }
1047
1048 /* check not allowed RSS type */
1049 rss_type &= ~VALID_RSS_ATTR;
1050
1051 return ((rss_type & allow_rss_type) != rss_type);
1052 }
1053
1054 static int
ice_hash_parse_action(struct ice_pattern_match_item * pattern_match_item,const struct rte_flow_action actions[],uint64_t pattern_hint,struct ice_rss_meta * rss_meta,struct rte_flow_error * error)1055 ice_hash_parse_action(struct ice_pattern_match_item *pattern_match_item,
1056 const struct rte_flow_action actions[],
1057 uint64_t pattern_hint, struct ice_rss_meta *rss_meta,
1058 struct rte_flow_error *error)
1059 {
1060 struct ice_rss_hash_cfg *cfg = pattern_match_item->meta;
1061 enum rte_flow_action_type action_type;
1062 const struct rte_flow_action_rss *rss;
1063 const struct rte_flow_action *action;
1064 uint64_t rss_type;
1065
1066 /* Supported action is RSS. */
1067 for (action = actions; action->type !=
1068 RTE_FLOW_ACTION_TYPE_END; action++) {
1069 action_type = action->type;
1070 switch (action_type) {
1071 case RTE_FLOW_ACTION_TYPE_RSS:
1072 rss = action->conf;
1073 rss_type = rss->types;
1074
1075 /* Check hash function and save it to rss_meta. */
1076 if (pattern_match_item->pattern_list !=
1077 pattern_empty && rss->func ==
1078 RTE_ETH_HASH_FUNCTION_SIMPLE_XOR) {
1079 return rte_flow_error_set(error, ENOTSUP,
1080 RTE_FLOW_ERROR_TYPE_ACTION, action,
1081 "Not supported flow");
1082 } else if (rss->func ==
1083 RTE_ETH_HASH_FUNCTION_SIMPLE_XOR){
1084 rss_meta->hash_function =
1085 RTE_ETH_HASH_FUNCTION_SIMPLE_XOR;
1086 return 0;
1087 } else if (rss->func ==
1088 RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ) {
1089 rss_meta->hash_function =
1090 RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ;
1091 if (pattern_hint == ICE_PHINT_RAW)
1092 rss_meta->raw.symm = true;
1093 else
1094 cfg->symm = true;
1095 }
1096
1097 if (rss->level)
1098 return rte_flow_error_set(error, ENOTSUP,
1099 RTE_FLOW_ERROR_TYPE_ACTION, action,
1100 "a nonzero RSS encapsulation level is not supported");
1101
1102 if (rss->key_len)
1103 return rte_flow_error_set(error, ENOTSUP,
1104 RTE_FLOW_ERROR_TYPE_ACTION, action,
1105 "a nonzero RSS key_len is not supported");
1106
1107 if (rss->queue)
1108 return rte_flow_error_set(error, ENOTSUP,
1109 RTE_FLOW_ERROR_TYPE_ACTION, action,
1110 "a non-NULL RSS queue is not supported");
1111
1112 /* If pattern type is raw, no need to refine rss type */
1113 if (pattern_hint == ICE_PHINT_RAW)
1114 break;
1115
1116 /**
1117 * Check simultaneous use of SRC_ONLY and DST_ONLY
1118 * of the same level.
1119 */
1120 rss_type = rte_eth_rss_hf_refine(rss_type);
1121
1122 if (ice_any_invalid_rss_type(rss->func, rss_type,
1123 pattern_match_item->input_set_mask_o))
1124 return rte_flow_error_set(error, ENOTSUP,
1125 RTE_FLOW_ERROR_TYPE_ACTION,
1126 action, "RSS type not supported");
1127
1128 rss_meta->cfg = *cfg;
1129 ice_refine_hash_cfg(&rss_meta->cfg,
1130 rss_type, pattern_hint);
1131 break;
1132 case RTE_FLOW_ACTION_TYPE_END:
1133 break;
1134
1135 default:
1136 rte_flow_error_set(error, EINVAL,
1137 RTE_FLOW_ERROR_TYPE_ACTION, action,
1138 "Invalid action.");
1139 return -rte_errno;
1140 }
1141 }
1142
1143 return 0;
1144 }
1145
1146 static int
ice_hash_parse_pattern_action(__rte_unused struct ice_adapter * ad,struct ice_pattern_match_item * array,uint32_t array_len,const struct rte_flow_item pattern[],const struct rte_flow_action actions[],uint32_t priority,void ** meta,struct rte_flow_error * error)1147 ice_hash_parse_pattern_action(__rte_unused struct ice_adapter *ad,
1148 struct ice_pattern_match_item *array,
1149 uint32_t array_len,
1150 const struct rte_flow_item pattern[],
1151 const struct rte_flow_action actions[],
1152 uint32_t priority,
1153 void **meta,
1154 struct rte_flow_error *error)
1155 {
1156 int ret = 0;
1157 struct ice_pattern_match_item *pattern_match_item;
1158 struct ice_rss_meta *rss_meta_ptr;
1159 uint64_t phint = ICE_PHINT_NONE;
1160
1161 if (priority >= 1)
1162 return -rte_errno;
1163
1164 rss_meta_ptr = rte_zmalloc(NULL, sizeof(*rss_meta_ptr), 0);
1165 if (!rss_meta_ptr) {
1166 rte_flow_error_set(error, EINVAL,
1167 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1168 "No memory for rss_meta_ptr");
1169 return -ENOMEM;
1170 }
1171
1172 /* Check rss supported pattern and find matched pattern. */
1173 pattern_match_item = ice_search_pattern_match_item(ad, pattern, array,
1174 array_len, error);
1175 if (!pattern_match_item) {
1176 ret = -rte_errno;
1177 goto error;
1178 }
1179
1180 ret = ice_hash_parse_pattern(pattern, &phint, error);
1181 if (ret)
1182 goto error;
1183
1184 if (phint == ICE_PHINT_RAW) {
1185 rss_meta_ptr->raw.raw_ena = true;
1186 ret = ice_hash_parse_raw_pattern(ad, pattern, rss_meta_ptr);
1187 if (ret) {
1188 rte_flow_error_set(error, EINVAL,
1189 RTE_FLOW_ERROR_TYPE_ITEM, NULL,
1190 "Parse raw pattern failed");
1191 goto error;
1192 }
1193 }
1194
1195 /* Check rss action. */
1196 ret = ice_hash_parse_action(pattern_match_item, actions, phint,
1197 rss_meta_ptr, error);
1198
1199 error:
1200 if (!ret && meta)
1201 *meta = rss_meta_ptr;
1202 else
1203 rte_free(rss_meta_ptr);
1204 rte_free(pattern_match_item);
1205
1206 return ret;
1207 }
1208
1209 static int
ice_hash_add_raw_cfg(struct ice_adapter * ad,struct ice_rss_raw_cfg * cfg,u16 vsi_handle)1210 ice_hash_add_raw_cfg(struct ice_adapter *ad,
1211 struct ice_rss_raw_cfg *cfg, u16 vsi_handle)
1212 {
1213 struct ice_parser_profile *prof = &cfg->prof;
1214 struct ice_rss_prof_info *rss_prof;
1215 struct ice_hw *hw = &ad->hw;
1216 int i, ptg, ret;
1217 u64 id;
1218
1219 id = (u64)ice_find_first_bit(prof->ptypes, UINT16_MAX);
1220
1221 ptg = hw->blk[ICE_BLK_RSS].xlt1.t[id];
1222 rss_prof = &ad->rss_prof_info[ptg];
1223 /* check if ptg already has profile */
1224 if (rss_prof->prof.fv_num) {
1225 for (i = 0; i < ICE_MAX_FV_WORDS; i++) {
1226 if (rss_prof->prof.fv[i].proto_id !=
1227 prof->fv[i].proto_id ||
1228 rss_prof->prof.fv[i].offset !=
1229 prof->fv[i].offset)
1230 break;
1231 }
1232
1233 /* current profile is matched, check symmetric hash */
1234 if (i == ICE_MAX_FV_WORDS) {
1235 if (rss_prof->symm != cfg->symm)
1236 goto update_symm;
1237
1238 return 0;
1239 }
1240
1241 /* current profile is not matched, remove it */
1242 ret = ice_rem_prof_id_flow(hw, ICE_BLK_RSS,
1243 ice_get_hw_vsi_num(hw, vsi_handle),
1244 id);
1245 if (ret) {
1246 PMD_DRV_LOG(ERR, "remove RSS flow failed\n");
1247 return ret;
1248 }
1249
1250 ret = ice_rem_prof(hw, ICE_BLK_RSS, id);
1251 if (ret) {
1252 PMD_DRV_LOG(ERR, "remove RSS profile failed\n");
1253 return ret;
1254 }
1255 }
1256
1257 /* add new profile */
1258 ret = ice_flow_set_hw_prof(hw, vsi_handle, 0, prof, ICE_BLK_RSS);
1259 if (ret) {
1260 PMD_DRV_LOG(ERR, "HW profile add failed\n");
1261 return ret;
1262 }
1263
1264 rss_prof->symm = cfg->symm;
1265 ice_memcpy(&rss_prof->prof, prof,
1266 sizeof(struct ice_parser_profile),
1267 ICE_NONDMA_TO_NONDMA);
1268
1269 update_symm:
1270 ice_rss_update_raw_symm(hw, cfg, id);
1271 return 0;
1272 }
1273
1274 static int
ice_hash_create(struct ice_adapter * ad,struct rte_flow * flow,void * meta,struct rte_flow_error * error)1275 ice_hash_create(struct ice_adapter *ad,
1276 struct rte_flow *flow,
1277 void *meta,
1278 struct rte_flow_error *error)
1279 {
1280 struct ice_pf *pf = &ad->pf;
1281 struct ice_hw *hw = ICE_PF_TO_HW(pf);
1282 struct ice_vsi *vsi = pf->main_vsi;
1283 int ret;
1284 uint32_t reg;
1285 struct ice_hash_flow_cfg *filter_ptr;
1286 struct ice_rss_meta *rss_meta = (struct ice_rss_meta *)meta;
1287 uint8_t hash_function = rss_meta->hash_function;
1288
1289 filter_ptr = rte_zmalloc("ice_rss_filter",
1290 sizeof(struct ice_hash_flow_cfg), 0);
1291 if (!filter_ptr) {
1292 rte_flow_error_set(error, EINVAL,
1293 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1294 "No memory for filter_ptr");
1295 return -ENOMEM;
1296 }
1297
1298 if (hash_function == RTE_ETH_HASH_FUNCTION_SIMPLE_XOR) {
1299 /* Enable registers for simple_xor hash function. */
1300 reg = ICE_READ_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id));
1301 reg = (reg & (~VSIQF_HASH_CTL_HASH_SCHEME_M)) |
1302 (2 << VSIQF_HASH_CTL_HASH_SCHEME_S);
1303 ICE_WRITE_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id), reg);
1304
1305 filter_ptr->simple_xor = 1;
1306
1307 goto out;
1308 } else {
1309 if (rss_meta->raw.raw_ena) {
1310 memcpy(&filter_ptr->rss_cfg.raw, &rss_meta->raw,
1311 sizeof(struct ice_rss_raw_cfg));
1312 ret = ice_hash_add_raw_cfg(ad, &rss_meta->raw,
1313 pf->main_vsi->idx);
1314 if (ret) {
1315 rte_flow_error_set(error, EINVAL,
1316 RTE_FLOW_ERROR_TYPE_HANDLE,
1317 NULL,
1318 "rss flow create fail");
1319 goto error;
1320 }
1321 } else {
1322 memcpy(&filter_ptr->rss_cfg.hash, &rss_meta->cfg,
1323 sizeof(struct ice_rss_hash_cfg));
1324 ret = ice_add_rss_cfg_wrap(pf, vsi->idx,
1325 &filter_ptr->rss_cfg.hash);
1326 if (ret) {
1327 rte_flow_error_set(error, EINVAL,
1328 RTE_FLOW_ERROR_TYPE_HANDLE,
1329 NULL,
1330 "rss flow create fail");
1331 goto error;
1332 }
1333 }
1334 }
1335
1336 out:
1337 flow->rule = filter_ptr;
1338 rte_free(meta);
1339 return 0;
1340
1341 error:
1342 rte_free(filter_ptr);
1343 rte_free(meta);
1344 return -rte_errno;
1345 }
1346
1347 static int
ice_hash_rem_raw_cfg(struct ice_adapter * ad,struct ice_parser_profile * prof,u16 vsi_handle)1348 ice_hash_rem_raw_cfg(struct ice_adapter *ad,
1349 struct ice_parser_profile *prof,
1350 u16 vsi_handle)
1351 {
1352 struct ice_hw *hw = &ad->hw;
1353 int ptg, ret;
1354 u16 vsig;
1355 u64 id;
1356
1357 id = (u64)ice_find_first_bit(prof->ptypes, 0xFFFF);
1358
1359 ptg = hw->blk[ICE_BLK_RSS].xlt1.t[id];
1360
1361 memset(&ad->rss_prof_info[ptg], 0,
1362 sizeof(struct ice_rss_prof_info));
1363
1364 /* check if vsig is already removed */
1365 ret = ice_vsig_find_vsi(hw, ICE_BLK_RSS,
1366 ice_get_hw_vsi_num(hw, vsi_handle), &vsig);
1367 if (!ret && vsig) {
1368 ret = ice_rem_prof_id_flow(hw, ICE_BLK_RSS,
1369 ice_get_hw_vsi_num(hw, vsi_handle),
1370 id);
1371 if (ret)
1372 goto err;
1373
1374 ret = ice_rem_prof(hw, ICE_BLK_RSS, id);
1375 if (ret)
1376 goto err;
1377 }
1378
1379 return 0;
1380
1381 err:
1382 PMD_DRV_LOG(ERR, "HW profile remove failed\n");
1383 return ret;
1384 }
1385
1386 static int
ice_hash_destroy(struct ice_adapter * ad,struct rte_flow * flow,struct rte_flow_error * error)1387 ice_hash_destroy(struct ice_adapter *ad,
1388 struct rte_flow *flow,
1389 struct rte_flow_error *error)
1390 {
1391 struct ice_pf *pf = ICE_DEV_PRIVATE_TO_PF(ad);
1392 struct ice_hw *hw = ICE_PF_TO_HW(pf);
1393 struct ice_vsi *vsi = pf->main_vsi;
1394 int ret;
1395 uint32_t reg;
1396 struct ice_hash_flow_cfg *filter_ptr;
1397
1398 filter_ptr = (struct ice_hash_flow_cfg *)flow->rule;
1399
1400 if (filter_ptr->simple_xor == 1) {
1401 /* Return to symmetric_toeplitz state. */
1402 reg = ICE_READ_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id));
1403 reg = (reg & (~VSIQF_HASH_CTL_HASH_SCHEME_M)) |
1404 (1 << VSIQF_HASH_CTL_HASH_SCHEME_S);
1405 ICE_WRITE_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id), reg);
1406 } else {
1407 if (filter_ptr->rss_cfg.raw.raw_ena) {
1408 ret =
1409 ice_hash_rem_raw_cfg(ad, &filter_ptr->rss_cfg.raw.prof,
1410 pf->main_vsi->idx);
1411 if (ret) {
1412 rte_flow_error_set(error, EINVAL,
1413 RTE_FLOW_ERROR_TYPE_HANDLE,
1414 NULL,
1415 "rss flow destroy fail");
1416 goto error;
1417 }
1418 } else {
1419 ret = ice_rem_rss_cfg_wrap(pf, vsi->idx,
1420 &filter_ptr->rss_cfg.hash);
1421 /* Fixme: Ignore the error if a rule does not exist.
1422 * Currently a rule for inputset change or symm turn
1423 * on/off will overwrite an exist rule, while
1424 * application still have 2 rte_flow handles.
1425 **/
1426 if (ret && ret != ICE_ERR_DOES_NOT_EXIST) {
1427 rte_flow_error_set(error, EINVAL,
1428 RTE_FLOW_ERROR_TYPE_HANDLE,
1429 NULL,
1430 "rss flow destroy fail");
1431 goto error;
1432 }
1433 }
1434 }
1435
1436 rte_free(filter_ptr);
1437 return 0;
1438
1439 error:
1440 rte_free(filter_ptr);
1441 return -rte_errno;
1442 }
1443
1444 static void
ice_hash_uninit(struct ice_adapter * ad)1445 ice_hash_uninit(struct ice_adapter *ad)
1446 {
1447 if (ad->hw.dcf_enabled)
1448 return;
1449
1450 ice_unregister_parser(&ice_hash_parser, ad);
1451 }
1452
1453 static void
ice_hash_free(struct rte_flow * flow)1454 ice_hash_free(struct rte_flow *flow)
1455 {
1456 rte_free(flow->rule);
1457 }
1458