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;
44 struct ice_hash_flow_cfg {
46 struct ice_rss_cfg rss_cfg;
50 ice_hash_init(struct ice_adapter *ad);
53 ice_hash_create(struct ice_adapter *ad,
54 struct rte_flow *flow,
56 struct rte_flow_error *error);
59 ice_hash_destroy(struct ice_adapter *ad,
60 struct rte_flow *flow,
61 struct rte_flow_error *error);
64 ice_hash_uninit(struct ice_adapter *ad);
67 ice_hash_free(struct rte_flow *flow);
70 ice_hash_parse_pattern_action(struct ice_adapter *ad,
71 struct ice_pattern_match_item *array,
73 const struct rte_flow_item pattern[],
74 const struct rte_flow_action actions[],
76 struct rte_flow_error *error);
78 /* The first member is protocol header, the second member is ETH_RSS_*. */
79 struct rss_type_match_hdr hint_0 = {
80 ICE_FLOW_SEG_HDR_NONE, 0};
81 struct rss_type_match_hdr hint_1 = {
82 ICE_FLOW_SEG_HDR_IPV4, ETH_RSS_IPV4};
83 struct rss_type_match_hdr hint_2 = {
84 ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_UDP, ETH_RSS_NONFRAG_IPV4_UDP};
85 struct rss_type_match_hdr hint_3 = {
86 ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_TCP, ETH_RSS_NONFRAG_IPV4_TCP};
87 struct rss_type_match_hdr hint_4 = {
88 ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_SCTP, ETH_RSS_NONFRAG_IPV4_SCTP};
89 struct rss_type_match_hdr hint_5 = {
90 ICE_FLOW_SEG_HDR_IPV6, ETH_RSS_IPV6};
91 struct rss_type_match_hdr hint_6 = {
92 ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_UDP, ETH_RSS_NONFRAG_IPV6_UDP};
93 struct rss_type_match_hdr hint_7 = {
94 ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_TCP, ETH_RSS_NONFRAG_IPV6_TCP};
95 struct rss_type_match_hdr hint_8 = {
96 ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_SCTP, ETH_RSS_NONFRAG_IPV6_SCTP};
97 struct rss_type_match_hdr hint_9 = {
98 ICE_FLOW_SEG_HDR_GTPU_IP, ETH_RSS_IPV4};
99 struct rss_type_match_hdr hint_10 = {
100 ICE_FLOW_SEG_HDR_PPPOE, ETH_RSS_IPV4};
101 struct rss_type_match_hdr hint_11 = {
102 ICE_FLOW_SEG_HDR_PPPOE, ETH_RSS_NONFRAG_IPV4_UDP};
103 struct rss_type_match_hdr hint_12 = {
104 ICE_FLOW_SEG_HDR_PPPOE, ETH_RSS_NONFRAG_IPV4_TCP};
105 struct rss_type_match_hdr hint_13 = {
106 ICE_FLOW_SEG_HDR_PPPOE, ETH_RSS_NONFRAG_IPV4_SCTP};
108 /* Supported pattern for os default package. */
109 static struct ice_pattern_match_item ice_hash_pattern_list_os[] = {
110 {pattern_eth_ipv4, ICE_INSET_NONE, &hint_1},
111 {pattern_eth_ipv4_udp, ICE_INSET_NONE, &hint_2},
112 {pattern_eth_ipv4_tcp, ICE_INSET_NONE, &hint_3},
113 {pattern_eth_ipv4_sctp, ICE_INSET_NONE, &hint_4},
114 {pattern_eth_ipv6, ICE_INSET_NONE, &hint_5},
115 {pattern_eth_ipv6_udp, ICE_INSET_NONE, &hint_6},
116 {pattern_eth_ipv6_tcp, ICE_INSET_NONE, &hint_7},
117 {pattern_eth_ipv6_sctp, ICE_INSET_NONE, &hint_8},
118 {pattern_empty, ICE_INSET_NONE, &hint_0},
121 /* Supported pattern for comms package. */
122 static struct ice_pattern_match_item ice_hash_pattern_list_comms[] = {
123 {pattern_eth_ipv4, ICE_INSET_NONE, &hint_1},
124 {pattern_eth_ipv4_udp, ICE_INSET_NONE, &hint_2},
125 {pattern_eth_ipv4_tcp, ICE_INSET_NONE, &hint_3},
126 {pattern_eth_ipv4_sctp, ICE_INSET_NONE, &hint_4},
127 {pattern_eth_ipv6, ICE_INSET_NONE, &hint_5},
128 {pattern_eth_ipv6_udp, ICE_INSET_NONE, &hint_6},
129 {pattern_eth_ipv6_tcp, ICE_INSET_NONE, &hint_7},
130 {pattern_eth_ipv6_sctp, ICE_INSET_NONE, &hint_8},
131 {pattern_empty, ICE_INSET_NONE, &hint_0},
132 {pattern_eth_ipv4_gtpu_eh_ipv4, ICE_INSET_NONE, &hint_9},
133 {pattern_eth_ipv4_gtpu_eh_ipv4_udp, ICE_INSET_NONE, &hint_9},
134 {pattern_eth_ipv4_gtpu_eh_ipv4_tcp, ICE_INSET_NONE, &hint_9},
135 {pattern_eth_pppoes_ipv4, ICE_INSET_NONE, &hint_10},
136 {pattern_eth_pppoes_ipv4_udp, ICE_INSET_NONE, &hint_11},
137 {pattern_eth_pppoes_ipv4_tcp, ICE_INSET_NONE, &hint_12},
138 {pattern_eth_pppoes_ipv4_sctp, ICE_INSET_NONE, &hint_13},
142 * The first member is input set combination,
143 * the second member is hash fields.
145 struct ice_hash_match_type ice_hash_type_list[] = {
146 {ETH_RSS_IPV4 | ETH_RSS_L3_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA)},
147 {ETH_RSS_IPV4 | ETH_RSS_L3_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)},
148 {ETH_RSS_IPV4, ICE_FLOW_HASH_IPV4},
149 {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)},
150 {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)},
151 {ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_L3_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA)},
152 {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)},
153 {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)},
154 {ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_L3_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)},
155 {ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT)},
156 {ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT)},
157 {ETH_RSS_NONFRAG_IPV4_UDP, ICE_HASH_UDP_IPV4},
158 {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)},
159 {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)},
160 {ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_L3_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA)},
161 {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)},
162 {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)},
163 {ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_L3_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)},
164 {ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT)},
165 {ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT)},
166 {ETH_RSS_NONFRAG_IPV4_TCP, ICE_HASH_TCP_IPV4},
167 {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)},
168 {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)},
169 {ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_L3_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA)},
170 {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)},
171 {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)},
172 {ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_L3_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)},
173 {ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT)},
174 {ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT)},
175 {ETH_RSS_NONFRAG_IPV4_SCTP, ICE_HASH_SCTP_IPV4},
176 {ETH_RSS_IPV6 | ETH_RSS_L3_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA)},
177 {ETH_RSS_IPV6 | ETH_RSS_L3_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)},
178 {ETH_RSS_IPV6, ICE_FLOW_HASH_IPV6},
179 {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)},
180 {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)},
181 {ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_L3_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA)},
182 {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)},
183 {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)},
184 {ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_L3_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)},
185 {ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT)},
186 {ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT)},
187 {ETH_RSS_NONFRAG_IPV6_UDP, ICE_HASH_UDP_IPV6},
188 {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)},
189 {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)},
190 {ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_L3_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA)},
191 {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)},
192 {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)},
193 {ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_L3_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)},
194 {ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT)},
195 {ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT)},
196 {ETH_RSS_NONFRAG_IPV6_TCP, ICE_HASH_TCP_IPV6},
197 {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)},
198 {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)},
199 {ETH_RSS_NONFRAG_IPV6_SCTP | ETH_RSS_L3_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA)},
200 {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)},
201 {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)},
202 {ETH_RSS_NONFRAG_IPV6_SCTP | ETH_RSS_L3_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)},
203 {ETH_RSS_NONFRAG_IPV6_SCTP | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT)},
204 {ETH_RSS_NONFRAG_IPV6_SCTP | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT)},
205 {ETH_RSS_NONFRAG_IPV6_SCTP, ICE_HASH_SCTP_IPV6},
208 static struct ice_flow_engine ice_hash_engine = {
209 .init = ice_hash_init,
210 .create = ice_hash_create,
211 .destroy = ice_hash_destroy,
212 .uninit = ice_hash_uninit,
213 .free = ice_hash_free,
214 .type = ICE_FLOW_ENGINE_HASH,
217 /* Register parser for os package. */
218 static struct ice_flow_parser ice_hash_parser_os = {
219 .engine = &ice_hash_engine,
220 .array = ice_hash_pattern_list_os,
221 .array_len = RTE_DIM(ice_hash_pattern_list_os),
222 .parse_pattern_action = ice_hash_parse_pattern_action,
223 .stage = ICE_FLOW_STAGE_RSS,
226 /* Register parser for comms package. */
227 static struct ice_flow_parser ice_hash_parser_comms = {
228 .engine = &ice_hash_engine,
229 .array = ice_hash_pattern_list_comms,
230 .array_len = RTE_DIM(ice_hash_pattern_list_comms),
231 .parse_pattern_action = ice_hash_parse_pattern_action,
232 .stage = ICE_FLOW_STAGE_RSS,
235 RTE_INIT(ice_hash_engine_init)
237 struct ice_flow_engine *engine = &ice_hash_engine;
238 ice_register_flow_engine(engine);
242 ice_hash_init(struct ice_adapter *ad)
244 struct ice_flow_parser *parser = NULL;
246 if (ad->active_pkg_type == ICE_PKG_TYPE_OS_DEFAULT)
247 parser = &ice_hash_parser_os;
248 else if (ad->active_pkg_type == ICE_PKG_TYPE_COMMS)
249 parser = &ice_hash_parser_comms;
253 return ice_register_parser(parser, ad);
257 ice_hash_check_inset(const struct rte_flow_item pattern[],
258 struct rte_flow_error *error)
260 const struct rte_flow_item *item = pattern;
262 for (item = pattern; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
264 rte_flow_error_set(error, EINVAL,
265 RTE_FLOW_ERROR_TYPE_ITEM, item,
266 "Not support range");
270 /* Ignore spec and mask. */
271 if (item->spec || item->mask) {
272 rte_flow_error_set(error, EINVAL,
273 RTE_FLOW_ERROR_TYPE_ITEM, item,
274 "Invalid spec/mask.");
283 ice_hash_parse_action(struct ice_pattern_match_item *pattern_match_item,
284 const struct rte_flow_action actions[],
286 struct rte_flow_error *error)
288 const struct rte_flow_action *action;
289 enum rte_flow_action_type action_type;
290 const struct rte_flow_action_rss *rss;
291 struct rss_type_match_hdr *m = (struct rss_type_match_hdr *)
292 (pattern_match_item->meta);
293 uint32_t type_list_len = RTE_DIM(ice_hash_type_list);
294 struct ice_hash_match_type *type_match_item;
298 /* Supported action is RSS. */
299 for (action = actions; action->type !=
300 RTE_FLOW_ACTION_TYPE_END; action++) {
301 action_type = action->type;
302 switch (action_type) {
303 case RTE_FLOW_ACTION_TYPE_RSS:
308 * Check simultaneous use of SRC_ONLY and DST_ONLY
311 rss_hf = rte_eth_rss_hf_refine(rss_hf);
313 /* Check if pattern is empty. */
314 if (pattern_match_item->pattern_list !=
315 pattern_empty && rss->func ==
316 RTE_ETH_HASH_FUNCTION_SIMPLE_XOR)
317 return rte_flow_error_set(error, ENOTSUP,
318 RTE_FLOW_ERROR_TYPE_ACTION, action,
319 "Not supported flow");
321 /* Check if rss types match pattern. */
322 if (rss->func != RTE_ETH_HASH_FUNCTION_SIMPLE_XOR) {
323 if (((rss_hf & ETH_RSS_IPV4) != m->eth_rss_hint) &&
324 ((rss_hf & ETH_RSS_NONFRAG_IPV4_UDP) != m->eth_rss_hint) &&
325 ((rss_hf & ETH_RSS_NONFRAG_IPV4_TCP) != m->eth_rss_hint) &&
326 ((rss_hf & ETH_RSS_NONFRAG_IPV4_SCTP) != m->eth_rss_hint) &&
327 ((rss_hf & ETH_RSS_IPV6) != m->eth_rss_hint) &&
328 ((rss_hf & ETH_RSS_NONFRAG_IPV6_UDP) != m->eth_rss_hint) &&
329 ((rss_hf & ETH_RSS_NONFRAG_IPV6_TCP) != m->eth_rss_hint) &&
330 ((rss_hf & ETH_RSS_NONFRAG_IPV6_SCTP) != m->eth_rss_hint))
331 return rte_flow_error_set(error,
332 ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
333 action, "Not supported RSS types");
337 return rte_flow_error_set(error, ENOTSUP,
338 RTE_FLOW_ERROR_TYPE_ACTION, action,
339 "a nonzero RSS encapsulation level is not supported");
342 return rte_flow_error_set(error, ENOTSUP,
343 RTE_FLOW_ERROR_TYPE_ACTION, action,
344 "a nonzero RSS key_len is not supported");
347 return rte_flow_error_set(error, ENOTSUP,
348 RTE_FLOW_ERROR_TYPE_ACTION, action,
349 "a non-NULL RSS queue is not supported");
351 /* Check hash function and save it to rss_meta. */
353 RTE_ETH_HASH_FUNCTION_SIMPLE_XOR)
354 ((struct rss_meta *)*meta)->hash_function =
355 RTE_ETH_HASH_FUNCTION_SIMPLE_XOR;
358 RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ)
359 ((struct rss_meta *)*meta)->hash_function =
360 RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ;
362 type_match_item = rte_zmalloc("ice_type_match_item",
363 sizeof(struct ice_hash_match_type), 0);
364 if (!type_match_item) {
365 rte_flow_error_set(error, EINVAL,
366 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
367 "No memory for type_match_item");
371 /* Find matched hash fields according to hash type. */
372 for (i = 0; i < type_list_len; i++) {
374 ice_hash_type_list[i].hash_type) {
375 type_match_item->hash_type =
376 ice_hash_type_list[i].hash_type;
377 type_match_item->hash_flds =
378 ice_hash_type_list[i].hash_flds;
382 /* Save hash fileds to rss_meta. */
383 ((struct rss_meta *)*meta)->hash_flds =
384 type_match_item->hash_flds;
386 rte_free(type_match_item);
389 case RTE_FLOW_ACTION_TYPE_END:
393 rte_flow_error_set(error, EINVAL,
394 RTE_FLOW_ERROR_TYPE_ACTION, action,
404 ice_hash_parse_pattern_action(__rte_unused struct ice_adapter *ad,
405 struct ice_pattern_match_item *array,
407 const struct rte_flow_item pattern[],
408 const struct rte_flow_action actions[],
410 struct rte_flow_error *error)
413 struct ice_pattern_match_item *pattern_match_item;
414 struct rss_meta *rss_meta_ptr;
416 rss_meta_ptr = rte_zmalloc(NULL, sizeof(*rss_meta_ptr), 0);
418 rte_flow_error_set(error, EINVAL,
419 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
420 "No memory for rss_meta_ptr");
424 /* Check rss supported pattern and find matched pattern. */
425 pattern_match_item = ice_search_pattern_match_item(pattern,
426 array, array_len, error);
427 if (!pattern_match_item)
430 ret = ice_hash_check_inset(pattern, error);
434 /* Save protocol header to rss_meta. */
435 *meta = rss_meta_ptr;
436 ((struct rss_meta *)*meta)->pkt_hdr = ((struct rss_type_match_hdr *)
437 (pattern_match_item->meta))->hdr_mask;
439 /* Check rss action. */
440 ret = ice_hash_parse_action(pattern_match_item, actions, meta, error);
444 rte_free(pattern_match_item);
450 ice_hash_create(struct ice_adapter *ad,
451 struct rte_flow *flow,
453 struct rte_flow_error *error)
455 struct ice_pf *pf = &ad->pf;
456 struct ice_hw *hw = ICE_PF_TO_HW(pf);
457 struct ice_vsi *vsi = pf->main_vsi;
460 struct ice_hash_flow_cfg *filter_ptr;
462 uint32_t headermask = ((struct rss_meta *)meta)->pkt_hdr;
463 uint64_t hash_field = ((struct rss_meta *)meta)->hash_flds;
464 uint8_t hash_function = ((struct rss_meta *)meta)->hash_function;
466 filter_ptr = rte_zmalloc("ice_rss_filter",
467 sizeof(struct ice_hash_flow_cfg), 0);
469 rte_flow_error_set(error, EINVAL,
470 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
471 "No memory for filter_ptr");
475 if (hash_function == RTE_ETH_HASH_FUNCTION_SIMPLE_XOR) {
476 /* Enable registers for simple_xor hash function. */
477 reg = ICE_READ_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id));
478 reg = (reg & (~VSIQF_HASH_CTL_HASH_SCHEME_M)) |
479 (2 << VSIQF_HASH_CTL_HASH_SCHEME_S);
480 ICE_WRITE_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id), reg);
482 filter_ptr->simple_xor = 1;
486 filter_ptr->rss_cfg.packet_hdr = headermask;
487 filter_ptr->rss_cfg.hashed_flds = hash_field;
488 filter_ptr->rss_cfg.symm =
490 RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ);
492 ret = ice_add_rss_cfg(hw, vsi->idx,
493 filter_ptr->rss_cfg.hashed_flds,
494 filter_ptr->rss_cfg.packet_hdr,
495 filter_ptr->rss_cfg.symm);
497 rte_flow_error_set(error, EINVAL,
498 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
499 "rss flow create fail");
505 flow->rule = filter_ptr;
510 rte_free(filter_ptr);
516 ice_hash_destroy(struct ice_adapter *ad,
517 struct rte_flow *flow,
518 struct rte_flow_error *error)
520 struct ice_pf *pf = ICE_DEV_PRIVATE_TO_PF(ad);
521 struct ice_hw *hw = ICE_PF_TO_HW(pf);
522 struct ice_vsi *vsi = pf->main_vsi;
525 struct ice_hash_flow_cfg *filter_ptr;
527 filter_ptr = (struct ice_hash_flow_cfg *)flow->rule;
529 if (filter_ptr->simple_xor == 1) {
530 /* Return to symmetric_toeplitz state. */
531 reg = ICE_READ_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id));
532 reg = (reg & (~VSIQF_HASH_CTL_HASH_SCHEME_M)) |
533 (1 << VSIQF_HASH_CTL_HASH_SCHEME_S);
534 ICE_WRITE_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id), reg);
536 ret = ice_rem_rss_cfg(hw, vsi->idx,
537 filter_ptr->rss_cfg.hashed_flds,
538 filter_ptr->rss_cfg.packet_hdr);
539 /* Fixme: Ignore the error if a rule does not exist.
540 * Currently a rule for inputset change or symm turn on/off
541 * will overwrite an exist rule, while application still
542 * have 2 rte_flow handles.
544 if (ret && ret != ICE_ERR_DOES_NOT_EXIST) {
545 rte_flow_error_set(error, EINVAL,
546 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
547 "rss flow destroy fail");
552 rte_free(filter_ptr);
556 rte_free(filter_ptr);
561 ice_hash_uninit(struct ice_adapter *ad)
563 if (ad->active_pkg_type == ICE_PKG_TYPE_OS_DEFAULT)
564 ice_unregister_parser(&ice_hash_parser_os, ad);
565 else if (ad->active_pkg_type == ICE_PKG_TYPE_COMMS)
566 ice_unregister_parser(&ice_hash_parser_comms, ad);
570 ice_hash_free(struct rte_flow *flow)
572 rte_free(flow->rule);