1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2019 Intel Corporation
13 #include <rte_debug.h>
14 #include <rte_ether.h>
15 #include <rte_ethdev_driver.h>
17 #include <rte_malloc.h>
18 #include <rte_eth_ctrl.h>
19 #include <rte_tailq.h>
20 #include <rte_flow_driver.h>
23 #include "base/ice_type.h"
24 #include "base/ice_flow.h"
25 #include "ice_ethdev.h"
26 #include "ice_generic_flow.h"
28 struct rss_type_match_hdr {
30 uint64_t eth_rss_hint;
33 struct ice_hash_match_type {
41 uint8_t hash_function;
45 ice_hash_init(struct ice_adapter *ad);
48 ice_hash_create(struct ice_adapter *ad,
49 struct rte_flow *flow,
51 struct rte_flow_error *error);
54 ice_hash_destroy(struct ice_adapter *ad,
55 struct rte_flow *flow,
56 struct rte_flow_error *error);
59 ice_hash_uninit(struct ice_adapter *ad);
62 ice_hash_free(struct rte_flow *flow);
65 ice_hash_parse_pattern_action(struct ice_adapter *ad,
66 struct ice_pattern_match_item *array,
68 const struct rte_flow_item pattern[],
69 const struct rte_flow_action actions[],
71 struct rte_flow_error *error);
73 /* The first member is protocol header, the second member is ETH_RSS_*. */
74 struct rss_type_match_hdr hint_0 = {
75 ICE_FLOW_SEG_HDR_NONE, 0};
76 struct rss_type_match_hdr hint_1 = {
77 ICE_FLOW_SEG_HDR_IPV4, ETH_RSS_IPV4};
78 struct rss_type_match_hdr hint_2 = {
79 ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_UDP, ETH_RSS_NONFRAG_IPV4_UDP};
80 struct rss_type_match_hdr hint_3 = {
81 ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_TCP, ETH_RSS_NONFRAG_IPV4_TCP};
82 struct rss_type_match_hdr hint_4 = {
83 ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_SCTP, ETH_RSS_NONFRAG_IPV4_SCTP};
84 struct rss_type_match_hdr hint_5 = {
85 ICE_FLOW_SEG_HDR_IPV6, ETH_RSS_IPV6};
86 struct rss_type_match_hdr hint_6 = {
87 ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_UDP, ETH_RSS_NONFRAG_IPV6_UDP};
88 struct rss_type_match_hdr hint_7 = {
89 ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_TCP, ETH_RSS_NONFRAG_IPV6_TCP};
90 struct rss_type_match_hdr hint_8 = {
91 ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_SCTP, ETH_RSS_NONFRAG_IPV6_SCTP};
92 struct rss_type_match_hdr hint_9 = {
93 ICE_FLOW_SEG_HDR_GTPU_IP, ETH_RSS_IPV4};
94 struct rss_type_match_hdr hint_10 = {
95 ICE_FLOW_SEG_HDR_PPPOE, ETH_RSS_IPV4};
96 struct rss_type_match_hdr hint_11 = {
97 ICE_FLOW_SEG_HDR_PPPOE, ETH_RSS_NONFRAG_IPV4_UDP};
98 struct rss_type_match_hdr hint_12 = {
99 ICE_FLOW_SEG_HDR_PPPOE, ETH_RSS_NONFRAG_IPV4_TCP};
100 struct rss_type_match_hdr hint_13 = {
101 ICE_FLOW_SEG_HDR_PPPOE, ETH_RSS_NONFRAG_IPV4_SCTP};
103 /* Supported pattern for os default package. */
104 static struct ice_pattern_match_item ice_hash_pattern_list_os[] = {
105 {pattern_eth_ipv4, ICE_INSET_NONE, &hint_1},
106 {pattern_eth_ipv4_udp, ICE_INSET_NONE, &hint_2},
107 {pattern_eth_ipv4_tcp, ICE_INSET_NONE, &hint_3},
108 {pattern_eth_ipv4_sctp, ICE_INSET_NONE, &hint_4},
109 {pattern_eth_ipv6, ICE_INSET_NONE, &hint_5},
110 {pattern_eth_ipv6_udp, ICE_INSET_NONE, &hint_6},
111 {pattern_eth_ipv6_tcp, ICE_INSET_NONE, &hint_7},
112 {pattern_eth_ipv6_sctp, ICE_INSET_NONE, &hint_8},
113 {pattern_empty, ICE_INSET_NONE, &hint_0},
116 /* Supported pattern for comms package. */
117 static struct ice_pattern_match_item ice_hash_pattern_list_comms[] = {
118 {pattern_eth_ipv4, ICE_INSET_NONE, &hint_1},
119 {pattern_eth_ipv4_udp, ICE_INSET_NONE, &hint_2},
120 {pattern_eth_ipv4_tcp, ICE_INSET_NONE, &hint_3},
121 {pattern_eth_ipv4_sctp, ICE_INSET_NONE, &hint_4},
122 {pattern_eth_ipv6, ICE_INSET_NONE, &hint_5},
123 {pattern_eth_ipv6_udp, ICE_INSET_NONE, &hint_6},
124 {pattern_eth_ipv6_tcp, ICE_INSET_NONE, &hint_7},
125 {pattern_eth_ipv6_sctp, ICE_INSET_NONE, &hint_8},
126 {pattern_empty, ICE_INSET_NONE, &hint_0},
127 {pattern_eth_ipv4_gtpu_ipv4, ICE_INSET_NONE, &hint_9},
128 {pattern_eth_ipv4_gtpu_ipv4_udp, ICE_INSET_NONE, &hint_9},
129 {pattern_eth_ipv4_gtpu_ipv4_tcp, ICE_INSET_NONE, &hint_9},
130 {pattern_eth_pppoes_ipv4, ICE_INSET_NONE, &hint_10},
131 {pattern_eth_pppoes_ipv4_udp, ICE_INSET_NONE, &hint_11},
132 {pattern_eth_pppoes_ipv4_tcp, ICE_INSET_NONE, &hint_12},
133 {pattern_eth_pppoes_ipv4_sctp, ICE_INSET_NONE, &hint_13},
137 * The first member is input set combination,
138 * the second member is hash fields.
140 struct ice_hash_match_type ice_hash_type_list[] = {
141 {ETH_RSS_IPV4 | ETH_RSS_L3_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA)},
142 {ETH_RSS_IPV4 | ETH_RSS_L3_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)},
143 {ETH_RSS_IPV4, ICE_FLOW_HASH_IPV4},
144 {ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) | BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT)},
145 {ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) | BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT)},
146 {ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_L3_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA)},
147 {ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA) | BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT)},
148 {ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA) | BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT)},
149 {ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_L3_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)},
150 {ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT)},
151 {ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT)},
152 {ETH_RSS_NONFRAG_IPV4_UDP, ICE_HASH_UDP_IPV4},
153 {ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) | BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT)},
154 {ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) | BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT)},
155 {ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_L3_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA)},
156 {ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA) | BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT)},
157 {ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA) | BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT)},
158 {ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_L3_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)},
159 {ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT)},
160 {ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT)},
161 {ETH_RSS_NONFRAG_IPV4_TCP, ICE_HASH_TCP_IPV4},
162 {ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) | BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT)},
163 {ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) | BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT)},
164 {ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_L3_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA)},
165 {ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA) | BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT)},
166 {ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA) | BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT)},
167 {ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_L3_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)},
168 {ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT)},
169 {ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT)},
170 {ETH_RSS_NONFRAG_IPV4_SCTP, ICE_HASH_SCTP_IPV4},
171 {ETH_RSS_IPV6 | ETH_RSS_L3_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA)},
172 {ETH_RSS_IPV6 | ETH_RSS_L3_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)},
173 {ETH_RSS_IPV6, ICE_FLOW_HASH_IPV6},
174 {ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) | BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT)},
175 {ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) | BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT)},
176 {ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_L3_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA)},
177 {ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA) | BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT)},
178 {ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA) | BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT)},
179 {ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_L3_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)},
180 {ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT)},
181 {ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT)},
182 {ETH_RSS_NONFRAG_IPV6_UDP, ICE_HASH_UDP_IPV6},
183 {ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) | BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT)},
184 {ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) | BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT)},
185 {ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_L3_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA)},
186 {ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA) | BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT)},
187 {ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA) | BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT)},
188 {ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_L3_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)},
189 {ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT)},
190 {ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT)},
191 {ETH_RSS_NONFRAG_IPV6_TCP, ICE_HASH_TCP_IPV6},
192 {ETH_RSS_NONFRAG_IPV6_SCTP | ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) | BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT)},
193 {ETH_RSS_NONFRAG_IPV6_SCTP | ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) | BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT)},
194 {ETH_RSS_NONFRAG_IPV6_SCTP | ETH_RSS_L3_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA)},
195 {ETH_RSS_NONFRAG_IPV6_SCTP | ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA) | BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT)},
196 {ETH_RSS_NONFRAG_IPV6_SCTP | ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA) | BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT)},
197 {ETH_RSS_NONFRAG_IPV6_SCTP | ETH_RSS_L3_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)},
198 {ETH_RSS_NONFRAG_IPV6_SCTP | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT)},
199 {ETH_RSS_NONFRAG_IPV6_SCTP | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT)},
200 {ETH_RSS_NONFRAG_IPV6_SCTP, ICE_HASH_SCTP_IPV6},
203 static struct ice_flow_engine ice_hash_engine = {
204 .init = ice_hash_init,
205 .create = ice_hash_create,
206 .destroy = ice_hash_destroy,
207 .uninit = ice_hash_uninit,
208 .free = ice_hash_free,
209 .type = ICE_FLOW_ENGINE_HASH,
212 /* Register parser for os package. */
213 static struct ice_flow_parser ice_hash_parser_os = {
214 .engine = &ice_hash_engine,
215 .array = ice_hash_pattern_list_os,
216 .array_len = RTE_DIM(ice_hash_pattern_list_os),
217 .parse_pattern_action = ice_hash_parse_pattern_action,
218 .stage = ICE_FLOW_STAGE_RSS,
221 /* Register parser for comms package. */
222 static struct ice_flow_parser ice_hash_parser_comms = {
223 .engine = &ice_hash_engine,
224 .array = ice_hash_pattern_list_comms,
225 .array_len = RTE_DIM(ice_hash_pattern_list_comms),
226 .parse_pattern_action = ice_hash_parse_pattern_action,
227 .stage = ICE_FLOW_STAGE_RSS,
230 RTE_INIT(ice_hash_engine_init)
232 struct ice_flow_engine *engine = &ice_hash_engine;
233 ice_register_flow_engine(engine);
237 ice_hash_init(struct ice_adapter *ad)
239 struct ice_flow_parser *parser = NULL;
241 if (ad->active_pkg_type == ICE_PKG_TYPE_OS_DEFAULT)
242 parser = &ice_hash_parser_os;
243 else if (ad->active_pkg_type == ICE_PKG_TYPE_COMMS)
244 parser = &ice_hash_parser_comms;
246 return ice_register_parser(parser, ad);
250 ice_hash_check_inset(const struct rte_flow_item pattern[],
251 struct rte_flow_error *error)
253 const struct rte_flow_item *item = pattern;
255 for (item = pattern; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
257 rte_flow_error_set(error, EINVAL,
258 RTE_FLOW_ERROR_TYPE_ITEM, item,
259 "Not support range");
263 /* Ignore spec and mask. */
264 if (item->spec || item->mask) {
265 rte_flow_error_set(error, EINVAL,
266 RTE_FLOW_ERROR_TYPE_ITEM, item,
267 "Invalid spec/mask.");
276 ice_hash_parse_action(struct ice_pattern_match_item *pattern_match_item,
277 const struct rte_flow_action actions[],
279 struct rte_flow_error *error)
281 const struct rte_flow_action *action;
282 enum rte_flow_action_type action_type;
283 const struct rte_flow_action_rss *rss;
284 struct rss_type_match_hdr *m = (struct rss_type_match_hdr *)
285 (pattern_match_item->meta);
286 uint32_t type_list_len = RTE_DIM(ice_hash_type_list);
287 struct ice_hash_match_type *type_match_item;
291 /* Supported action is RSS. */
292 for (action = actions; action->type !=
293 RTE_FLOW_ACTION_TYPE_END; action++) {
294 action_type = action->type;
295 switch (action_type) {
296 case RTE_FLOW_ACTION_TYPE_RSS:
301 * Check simultaneous use of SRC_ONLY and DST_ONLY
304 rss_hf = rte_eth_rss_hf_refine(rss_hf);
306 /* Check if pattern is empty. */
307 if (pattern_match_item->pattern_list !=
308 pattern_empty && rss->func ==
309 RTE_ETH_HASH_FUNCTION_SIMPLE_XOR)
310 return rte_flow_error_set(error, ENOTSUP,
311 RTE_FLOW_ERROR_TYPE_ACTION, action,
312 "Not supported flow");
314 /* Check if rss types match pattern. */
315 if (rss->func != RTE_ETH_HASH_FUNCTION_SIMPLE_XOR) {
316 if (((rss_hf & ETH_RSS_IPV4) != m->eth_rss_hint) &&
317 ((rss_hf & ETH_RSS_NONFRAG_IPV4_UDP) != m->eth_rss_hint) &&
318 ((rss_hf & ETH_RSS_NONFRAG_IPV4_TCP) != m->eth_rss_hint) &&
319 ((rss_hf & ETH_RSS_NONFRAG_IPV4_SCTP) != m->eth_rss_hint) &&
320 ((rss_hf & ETH_RSS_IPV6) != m->eth_rss_hint) &&
321 ((rss_hf & ETH_RSS_NONFRAG_IPV6_UDP) != m->eth_rss_hint) &&
322 ((rss_hf & ETH_RSS_NONFRAG_IPV6_TCP) != m->eth_rss_hint) &&
323 ((rss_hf & ETH_RSS_NONFRAG_IPV6_SCTP) != m->eth_rss_hint))
324 return rte_flow_error_set(error,
325 ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
326 action, "Not supported RSS types");
330 return rte_flow_error_set(error, ENOTSUP,
331 RTE_FLOW_ERROR_TYPE_ACTION, action,
332 "a nonzero RSS encapsulation level is not supported");
335 return rte_flow_error_set(error, ENOTSUP,
336 RTE_FLOW_ERROR_TYPE_ACTION, action,
337 "a nonzero RSS key_len is not supported");
340 return rte_flow_error_set(error, ENOTSUP,
341 RTE_FLOW_ERROR_TYPE_ACTION, action,
342 "a non-NULL RSS queue is not supported");
344 /* Check hash function and save it to rss_meta. */
346 RTE_ETH_HASH_FUNCTION_SIMPLE_XOR)
347 ((struct rss_meta *)*meta)->hash_function =
348 RTE_ETH_HASH_FUNCTION_SIMPLE_XOR;
351 RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ)
352 ((struct rss_meta *)*meta)->hash_function =
353 RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ;
355 type_match_item = rte_zmalloc("ice_type_match_item",
356 sizeof(struct ice_hash_match_type), 0);
357 if (!type_match_item) {
358 rte_flow_error_set(error, EINVAL,
359 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
360 "No memory for type_match_item");
364 /* Find matched hash fields according to hash type. */
365 for (i = 0; i < type_list_len; i++) {
367 ice_hash_type_list[i].hash_type) {
368 type_match_item->hash_type =
369 ice_hash_type_list[i].hash_type;
370 type_match_item->hash_flds =
371 ice_hash_type_list[i].hash_flds;
375 /* Save hash fileds to rss_meta. */
376 ((struct rss_meta *)*meta)->hash_flds =
377 type_match_item->hash_flds;
379 rte_free(type_match_item);
382 case RTE_FLOW_ACTION_TYPE_END:
386 rte_flow_error_set(error, EINVAL,
387 RTE_FLOW_ERROR_TYPE_ACTION, action,
397 ice_hash_parse_pattern_action(__rte_unused struct ice_adapter *ad,
398 struct ice_pattern_match_item *array,
400 const struct rte_flow_item pattern[],
401 const struct rte_flow_action actions[],
403 struct rte_flow_error *error)
406 struct ice_pattern_match_item *pattern_match_item;
407 struct rss_meta *rss_meta_ptr;
409 rss_meta_ptr = rte_zmalloc(NULL, sizeof(*rss_meta_ptr), 0);
411 rte_flow_error_set(error, EINVAL,
412 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
413 "No memory for rss_meta_ptr");
417 /* Check rss supported pattern and find matched pattern. */
418 pattern_match_item = ice_search_pattern_match_item(pattern,
419 array, array_len, error);
420 if (!pattern_match_item)
423 ret = ice_hash_check_inset(pattern, error);
427 /* Save protocol header to rss_meta. */
428 *meta = rss_meta_ptr;
429 ((struct rss_meta *)*meta)->pkt_hdr = ((struct rss_type_match_hdr *)
430 (pattern_match_item->meta))->hdr_mask;
432 /* Check rss action. */
433 ret = ice_hash_parse_action(pattern_match_item, actions, meta, error);
437 rte_free(pattern_match_item);
443 ice_hash_create(struct ice_adapter *ad,
444 struct rte_flow *flow,
446 struct rte_flow_error *error)
448 struct ice_pf *pf = &ad->pf;
449 struct ice_hw *hw = ICE_PF_TO_HW(pf);
450 struct ice_vsi *vsi = pf->main_vsi;
453 struct ice_rss_cfg *filter_ptr;
455 uint32_t headermask = ((struct rss_meta *)meta)->pkt_hdr;
456 uint64_t hash_field = ((struct rss_meta *)meta)->hash_flds;
457 uint8_t hash_function = ((struct rss_meta *)meta)->hash_function;
459 filter_ptr = rte_zmalloc("ice_rss_filter",
460 sizeof(struct ice_rss_cfg), 0);
462 rte_flow_error_set(error, EINVAL,
463 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
464 "No memory for filter_ptr");
468 if (hash_function == RTE_ETH_HASH_FUNCTION_SIMPLE_XOR) {
469 /* Enable registers for simple_xor hash function. */
470 reg = ICE_READ_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id));
471 reg = (reg & (~VSIQF_HASH_CTL_HASH_SCHEME_M)) |
472 (2 << VSIQF_HASH_CTL_HASH_SCHEME_S);
473 ICE_WRITE_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id), reg);
475 filter_ptr->symm = 0;
478 } else if (hash_function == RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ) {
479 ret = ice_add_rss_cfg(hw, vsi->idx, hash_field, headermask, 1);
481 rte_flow_error_set(error, EINVAL,
482 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
483 "rss flow create fail");
487 ret = ice_add_rss_cfg(hw, vsi->idx, hash_field, headermask, 0);
489 rte_flow_error_set(error, EINVAL,
490 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
491 "rss flow create fail");
496 filter_ptr->packet_hdr = headermask;
497 filter_ptr->hashed_flds = hash_field;
500 flow->rule = filter_ptr;
505 rte_free(filter_ptr);
511 ice_hash_destroy(struct ice_adapter *ad,
512 struct rte_flow *flow,
513 struct rte_flow_error *error)
515 struct ice_pf *pf = ICE_DEV_PRIVATE_TO_PF(ad);
516 struct ice_hw *hw = ICE_PF_TO_HW(pf);
517 struct ice_vsi *vsi = pf->main_vsi;
520 struct ice_rss_cfg *filter_ptr;
522 filter_ptr = (struct ice_rss_cfg *)flow->rule;
524 if (filter_ptr->symm == 0) {
525 /* Return to symmetric_toeplitz state. */
526 reg = ICE_READ_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id));
527 reg = (reg & (~VSIQF_HASH_CTL_HASH_SCHEME_M)) |
528 (1 << VSIQF_HASH_CTL_HASH_SCHEME_S);
529 ICE_WRITE_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id), reg);
531 ret = ice_rem_vsi_rss_cfg(hw, vsi->idx);
533 rte_flow_error_set(error, EINVAL,
534 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
535 "rss flow destroy fail");
540 rte_free(filter_ptr);
544 rte_free(filter_ptr);
549 ice_hash_uninit(struct ice_adapter *ad)
551 if (ad->active_pkg_type == ICE_PKG_TYPE_OS_DEFAULT)
552 ice_unregister_parser(&ice_hash_parser_os, ad);
553 else if (ad->active_pkg_type == ICE_PKG_TYPE_COMMS)
554 ice_unregister_parser(&ice_hash_parser_comms, ad);
558 ice_hash_free(struct rte_flow *flow)
560 rte_free(flow->rule);