drivers/net/iavf/iavf_generic_flow.c

   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_ether.h>
  14 #include <rte_ethdev_driver.h>
  15 #include <rte_malloc.h>
  16 #include <rte_tailq.h>
  17
  18 #include "iavf.h"
  19 #include "iavf_generic_flow.h"
  20
  21 static struct iavf_engine_list engine_list =
  22                 TAILQ_HEAD_INITIALIZER(engine_list);
  23
  24 static int iavf_flow_validate(struct rte_eth_dev *dev,
  25                 const struct rte_flow_attr *attr,
  26                 const struct rte_flow_item pattern[],
  27                 const struct rte_flow_action actions[],
  28                 struct rte_flow_error *error);
  29 static struct rte_flow *iavf_flow_create(struct rte_eth_dev *dev,
  30                 const struct rte_flow_attr *attr,
  31                 const struct rte_flow_item pattern[],
  32                 const struct rte_flow_action actions[],
  33                 struct rte_flow_error *error);
  34 static int iavf_flow_destroy(struct rte_eth_dev *dev,
  35                 struct rte_flow *flow,
  36                 struct rte_flow_error *error);
  37 static int iavf_flow_query(struct rte_eth_dev *dev,
  38                 struct rte_flow *flow,
  39                 const struct rte_flow_action *actions,
  40                 void *data,
  41                 struct rte_flow_error *error);
  42
  43 const struct rte_flow_ops iavf_flow_ops = {
  44         .validate = iavf_flow_validate,
  45         .create = iavf_flow_create,
  46         .destroy = iavf_flow_destroy,
  47         .flush = iavf_flow_flush,
  48         .query = iavf_flow_query,
  49 };
  50
  51 /* empty */
  52 enum rte_flow_item_type iavf_pattern_empty[] = {
  53         RTE_FLOW_ITEM_TYPE_END,
  54 };
  55
  56 /* L2 */
  57 enum rte_flow_item_type iavf_pattern_ethertype[] = {
  58         RTE_FLOW_ITEM_TYPE_ETH,
  59         RTE_FLOW_ITEM_TYPE_END,
  60 };
  61
  62 enum rte_flow_item_type iavf_pattern_ethertype_vlan[] = {
  63         RTE_FLOW_ITEM_TYPE_ETH,
  64         RTE_FLOW_ITEM_TYPE_VLAN,
  65         RTE_FLOW_ITEM_TYPE_END,
  66 };
  67
  68 enum rte_flow_item_type iavf_pattern_ethertype_qinq[] = {
  69         RTE_FLOW_ITEM_TYPE_ETH,
  70         RTE_FLOW_ITEM_TYPE_VLAN,
  71         RTE_FLOW_ITEM_TYPE_VLAN,
  72         RTE_FLOW_ITEM_TYPE_END,
  73 };
  74
  75 /* ARP */
  76 enum rte_flow_item_type iavf_pattern_eth_arp[] = {
  77         RTE_FLOW_ITEM_TYPE_ETH,
  78         RTE_FLOW_ITEM_TYPE_ARP_ETH_IPV4,
  79         RTE_FLOW_ITEM_TYPE_END,
  80 };
  81
  82 /* non-tunnel IPv4 */
  83 enum rte_flow_item_type iavf_pattern_eth_ipv4[] = {
  84         RTE_FLOW_ITEM_TYPE_ETH,
  85         RTE_FLOW_ITEM_TYPE_IPV4,
  86         RTE_FLOW_ITEM_TYPE_END,
  87 };
  88
  89 enum rte_flow_item_type iavf_pattern_eth_vlan_ipv4[] = {
  90         RTE_FLOW_ITEM_TYPE_ETH,
  91         RTE_FLOW_ITEM_TYPE_VLAN,
  92         RTE_FLOW_ITEM_TYPE_IPV4,
  93         RTE_FLOW_ITEM_TYPE_END,
  94 };
  95
  96 enum rte_flow_item_type iavf_pattern_eth_qinq_ipv4[] = {
  97         RTE_FLOW_ITEM_TYPE_ETH,
  98         RTE_FLOW_ITEM_TYPE_VLAN,
  99         RTE_FLOW_ITEM_TYPE_VLAN,
 100         RTE_FLOW_ITEM_TYPE_IPV4,
 101         RTE_FLOW_ITEM_TYPE_END,
 102 };
 103
 104 enum rte_flow_item_type iavf_pattern_eth_ipv4_udp[] = {
 105         RTE_FLOW_ITEM_TYPE_ETH,
 106         RTE_FLOW_ITEM_TYPE_IPV4,
 107         RTE_FLOW_ITEM_TYPE_UDP,
 108         RTE_FLOW_ITEM_TYPE_END,
 109 };
 110
 111 enum rte_flow_item_type iavf_pattern_eth_vlan_ipv4_udp[] = {
 112         RTE_FLOW_ITEM_TYPE_ETH,
 113         RTE_FLOW_ITEM_TYPE_VLAN,
 114         RTE_FLOW_ITEM_TYPE_IPV4,
 115         RTE_FLOW_ITEM_TYPE_UDP,
 116         RTE_FLOW_ITEM_TYPE_END,
 117 };
 118
 119 enum rte_flow_item_type iavf_pattern_eth_qinq_ipv4_udp[] = {
 120         RTE_FLOW_ITEM_TYPE_ETH,
 121         RTE_FLOW_ITEM_TYPE_VLAN,
 122         RTE_FLOW_ITEM_TYPE_VLAN,
 123         RTE_FLOW_ITEM_TYPE_IPV4,
 124         RTE_FLOW_ITEM_TYPE_UDP,
 125         RTE_FLOW_ITEM_TYPE_END,
 126 };
 127
 128 enum rte_flow_item_type iavf_pattern_eth_ipv4_tcp[] = {
 129         RTE_FLOW_ITEM_TYPE_ETH,
 130         RTE_FLOW_ITEM_TYPE_IPV4,
 131         RTE_FLOW_ITEM_TYPE_TCP,
 132         RTE_FLOW_ITEM_TYPE_END,
 133 };
 134
 135 enum rte_flow_item_type iavf_pattern_eth_vlan_ipv4_tcp[] = {
 136         RTE_FLOW_ITEM_TYPE_ETH,
 137         RTE_FLOW_ITEM_TYPE_VLAN,
 138         RTE_FLOW_ITEM_TYPE_IPV4,
 139         RTE_FLOW_ITEM_TYPE_TCP,
 140         RTE_FLOW_ITEM_TYPE_END,
 141 };
 142
 143 enum rte_flow_item_type iavf_pattern_eth_qinq_ipv4_tcp[] = {
 144         RTE_FLOW_ITEM_TYPE_ETH,
 145         RTE_FLOW_ITEM_TYPE_VLAN,
 146         RTE_FLOW_ITEM_TYPE_VLAN,
 147         RTE_FLOW_ITEM_TYPE_IPV4,
 148         RTE_FLOW_ITEM_TYPE_TCP,
 149         RTE_FLOW_ITEM_TYPE_END,
 150 };
 151
 152 enum rte_flow_item_type iavf_pattern_eth_ipv4_sctp[] = {
 153         RTE_FLOW_ITEM_TYPE_ETH,
 154         RTE_FLOW_ITEM_TYPE_IPV4,
 155         RTE_FLOW_ITEM_TYPE_SCTP,
 156         RTE_FLOW_ITEM_TYPE_END,
 157 };
 158
 159 enum rte_flow_item_type iavf_pattern_eth_vlan_ipv4_sctp[] = {
 160         RTE_FLOW_ITEM_TYPE_ETH,
 161         RTE_FLOW_ITEM_TYPE_VLAN,
 162         RTE_FLOW_ITEM_TYPE_IPV4,
 163         RTE_FLOW_ITEM_TYPE_SCTP,
 164         RTE_FLOW_ITEM_TYPE_END,
 165 };
 166
 167 enum rte_flow_item_type iavf_pattern_eth_qinq_ipv4_sctp[] = {
 168         RTE_FLOW_ITEM_TYPE_ETH,
 169         RTE_FLOW_ITEM_TYPE_VLAN,
 170         RTE_FLOW_ITEM_TYPE_VLAN,
 171         RTE_FLOW_ITEM_TYPE_IPV4,
 172         RTE_FLOW_ITEM_TYPE_SCTP,
 173         RTE_FLOW_ITEM_TYPE_END,
 174 };
 175
 176 enum rte_flow_item_type iavf_pattern_eth_ipv4_icmp[] = {
 177         RTE_FLOW_ITEM_TYPE_ETH,
 178         RTE_FLOW_ITEM_TYPE_IPV4,
 179         RTE_FLOW_ITEM_TYPE_ICMP,
 180         RTE_FLOW_ITEM_TYPE_END,
 181 };
 182
 183 enum rte_flow_item_type iavf_pattern_eth_vlan_ipv4_icmp[] = {
 184         RTE_FLOW_ITEM_TYPE_ETH,
 185         RTE_FLOW_ITEM_TYPE_VLAN,
 186         RTE_FLOW_ITEM_TYPE_IPV4,
 187         RTE_FLOW_ITEM_TYPE_ICMP,
 188         RTE_FLOW_ITEM_TYPE_END,
 189 };
 190
 191 enum rte_flow_item_type iavf_pattern_eth_qinq_ipv4_icmp[] = {
 192         RTE_FLOW_ITEM_TYPE_ETH,
 193         RTE_FLOW_ITEM_TYPE_VLAN,
 194         RTE_FLOW_ITEM_TYPE_VLAN,
 195         RTE_FLOW_ITEM_TYPE_IPV4,
 196         RTE_FLOW_ITEM_TYPE_ICMP,
 197         RTE_FLOW_ITEM_TYPE_END,
 198 };
 199
 200 /* non-tunnel IPv6 */
 201 enum rte_flow_item_type iavf_pattern_eth_ipv6[] = {
 202         RTE_FLOW_ITEM_TYPE_ETH,
 203         RTE_FLOW_ITEM_TYPE_IPV6,
 204         RTE_FLOW_ITEM_TYPE_END,
 205 };
 206
 207 enum rte_flow_item_type iavf_pattern_eth_vlan_ipv6[] = {
 208         RTE_FLOW_ITEM_TYPE_ETH,
 209         RTE_FLOW_ITEM_TYPE_VLAN,
 210         RTE_FLOW_ITEM_TYPE_IPV6,
 211         RTE_FLOW_ITEM_TYPE_END,
 212 };
 213
 214 enum rte_flow_item_type iavf_pattern_eth_qinq_ipv6[] = {
 215         RTE_FLOW_ITEM_TYPE_ETH,
 216         RTE_FLOW_ITEM_TYPE_VLAN,
 217         RTE_FLOW_ITEM_TYPE_VLAN,
 218         RTE_FLOW_ITEM_TYPE_IPV6,
 219         RTE_FLOW_ITEM_TYPE_END,
 220 };
 221
 222 enum rte_flow_item_type iavf_pattern_eth_ipv6_udp[] = {
 223         RTE_FLOW_ITEM_TYPE_ETH,
 224         RTE_FLOW_ITEM_TYPE_IPV6,
 225         RTE_FLOW_ITEM_TYPE_UDP,
 226         RTE_FLOW_ITEM_TYPE_END,
 227 };
 228
 229 enum rte_flow_item_type iavf_pattern_eth_vlan_ipv6_udp[] = {
 230         RTE_FLOW_ITEM_TYPE_ETH,
 231         RTE_FLOW_ITEM_TYPE_VLAN,
 232         RTE_FLOW_ITEM_TYPE_IPV6,
 233         RTE_FLOW_ITEM_TYPE_UDP,
 234         RTE_FLOW_ITEM_TYPE_END,
 235 };
 236
 237 enum rte_flow_item_type iavf_pattern_eth_qinq_ipv6_udp[] = {
 238         RTE_FLOW_ITEM_TYPE_ETH,
 239         RTE_FLOW_ITEM_TYPE_VLAN,
 240         RTE_FLOW_ITEM_TYPE_VLAN,
 241         RTE_FLOW_ITEM_TYPE_IPV6,
 242         RTE_FLOW_ITEM_TYPE_UDP,
 243         RTE_FLOW_ITEM_TYPE_END,
 244 };
 245
 246 enum rte_flow_item_type iavf_pattern_eth_ipv6_tcp[] = {
 247         RTE_FLOW_ITEM_TYPE_ETH,
 248         RTE_FLOW_ITEM_TYPE_IPV6,
 249         RTE_FLOW_ITEM_TYPE_TCP,
 250         RTE_FLOW_ITEM_TYPE_END,
 251 };
 252
 253 enum rte_flow_item_type iavf_pattern_eth_vlan_ipv6_tcp[] = {
 254         RTE_FLOW_ITEM_TYPE_ETH,
 255         RTE_FLOW_ITEM_TYPE_VLAN,
 256         RTE_FLOW_ITEM_TYPE_IPV6,
 257         RTE_FLOW_ITEM_TYPE_TCP,
 258         RTE_FLOW_ITEM_TYPE_END,
 259 };
 260
 261 enum rte_flow_item_type iavf_pattern_eth_qinq_ipv6_tcp[] = {
 262         RTE_FLOW_ITEM_TYPE_ETH,
 263         RTE_FLOW_ITEM_TYPE_VLAN,
 264         RTE_FLOW_ITEM_TYPE_VLAN,
 265         RTE_FLOW_ITEM_TYPE_IPV6,
 266         RTE_FLOW_ITEM_TYPE_TCP,
 267         RTE_FLOW_ITEM_TYPE_END,
 268 };
 269
 270 enum rte_flow_item_type iavf_pattern_eth_ipv6_sctp[] = {
 271         RTE_FLOW_ITEM_TYPE_ETH,
 272         RTE_FLOW_ITEM_TYPE_IPV6,
 273         RTE_FLOW_ITEM_TYPE_SCTP,
 274         RTE_FLOW_ITEM_TYPE_END,
 275 };
 276
 277 enum rte_flow_item_type iavf_pattern_eth_vlan_ipv6_sctp[] = {
 278         RTE_FLOW_ITEM_TYPE_ETH,
 279         RTE_FLOW_ITEM_TYPE_VLAN,
 280         RTE_FLOW_ITEM_TYPE_IPV6,
 281         RTE_FLOW_ITEM_TYPE_SCTP,
 282         RTE_FLOW_ITEM_TYPE_END,
 283 };
 284
 285 enum rte_flow_item_type iavf_pattern_eth_qinq_ipv6_sctp[] = {
 286         RTE_FLOW_ITEM_TYPE_ETH,
 287         RTE_FLOW_ITEM_TYPE_VLAN,
 288         RTE_FLOW_ITEM_TYPE_VLAN,
 289         RTE_FLOW_ITEM_TYPE_IPV6,
 290         RTE_FLOW_ITEM_TYPE_SCTP,
 291         RTE_FLOW_ITEM_TYPE_END,
 292 };
 293
 294 enum rte_flow_item_type iavf_pattern_eth_ipv6_icmp6[] = {
 295         RTE_FLOW_ITEM_TYPE_ETH,
 296         RTE_FLOW_ITEM_TYPE_IPV6,
 297         RTE_FLOW_ITEM_TYPE_ICMP6,
 298         RTE_FLOW_ITEM_TYPE_END,
 299 };
 300
 301 enum rte_flow_item_type iavf_pattern_eth_vlan_ipv6_icmp6[] = {
 302         RTE_FLOW_ITEM_TYPE_ETH,
 303         RTE_FLOW_ITEM_TYPE_VLAN,
 304         RTE_FLOW_ITEM_TYPE_IPV6,
 305         RTE_FLOW_ITEM_TYPE_ICMP6,
 306         RTE_FLOW_ITEM_TYPE_END,
 307 };
 308
 309 enum rte_flow_item_type iavf_pattern_eth_qinq_ipv6_icmp6[] = {
 310         RTE_FLOW_ITEM_TYPE_ETH,
 311         RTE_FLOW_ITEM_TYPE_VLAN,
 312         RTE_FLOW_ITEM_TYPE_VLAN,
 313         RTE_FLOW_ITEM_TYPE_IPV6,
 314         RTE_FLOW_ITEM_TYPE_ICMP6,
 315         RTE_FLOW_ITEM_TYPE_END,
 316 };
 317
 318 /* GTPU */
 319 enum rte_flow_item_type iavf_pattern_eth_ipv4_gtpu[] = {
 320         RTE_FLOW_ITEM_TYPE_ETH,
 321         RTE_FLOW_ITEM_TYPE_IPV4,
 322         RTE_FLOW_ITEM_TYPE_UDP,
 323         RTE_FLOW_ITEM_TYPE_GTPU,
 324         RTE_FLOW_ITEM_TYPE_END,
 325 };
 326
 327 enum rte_flow_item_type iavf_pattern_eth_ipv4_gtpu_eh[] = {
 328         RTE_FLOW_ITEM_TYPE_ETH,
 329         RTE_FLOW_ITEM_TYPE_IPV4,
 330         RTE_FLOW_ITEM_TYPE_UDP,
 331         RTE_FLOW_ITEM_TYPE_GTPU,
 332         RTE_FLOW_ITEM_TYPE_GTP_PSC,
 333         RTE_FLOW_ITEM_TYPE_END,
 334 };
 335
 336 enum rte_flow_item_type iavf_pattern_eth_ipv4_gtpu_ipv4[] = {
 337         RTE_FLOW_ITEM_TYPE_ETH,
 338         RTE_FLOW_ITEM_TYPE_IPV4,
 339         RTE_FLOW_ITEM_TYPE_UDP,
 340         RTE_FLOW_ITEM_TYPE_GTPU,
 341         RTE_FLOW_ITEM_TYPE_IPV4,
 342         RTE_FLOW_ITEM_TYPE_END,
 343 };
 344
 345 enum rte_flow_item_type iavf_pattern_eth_ipv4_gtpu_eh_ipv4[] = {
 346         RTE_FLOW_ITEM_TYPE_ETH,
 347         RTE_FLOW_ITEM_TYPE_IPV4,
 348         RTE_FLOW_ITEM_TYPE_UDP,
 349         RTE_FLOW_ITEM_TYPE_GTPU,
 350         RTE_FLOW_ITEM_TYPE_GTP_PSC,
 351         RTE_FLOW_ITEM_TYPE_IPV4,
 352         RTE_FLOW_ITEM_TYPE_END,
 353 };
 354
 355 enum rte_flow_item_type iavf_pattern_eth_ipv4_gtpu_eh_ipv4_udp[] = {
 356         RTE_FLOW_ITEM_TYPE_ETH,
 357         RTE_FLOW_ITEM_TYPE_IPV4,
 358         RTE_FLOW_ITEM_TYPE_UDP,
 359         RTE_FLOW_ITEM_TYPE_GTPU,
 360         RTE_FLOW_ITEM_TYPE_GTP_PSC,
 361         RTE_FLOW_ITEM_TYPE_IPV4,
 362         RTE_FLOW_ITEM_TYPE_UDP,
 363         RTE_FLOW_ITEM_TYPE_END,
 364 };
 365
 366 enum rte_flow_item_type iavf_pattern_eth_ipv4_gtpu_eh_ipv4_tcp[] = {
 367         RTE_FLOW_ITEM_TYPE_ETH,
 368         RTE_FLOW_ITEM_TYPE_IPV4,
 369         RTE_FLOW_ITEM_TYPE_UDP,
 370         RTE_FLOW_ITEM_TYPE_GTPU,
 371         RTE_FLOW_ITEM_TYPE_GTP_PSC,
 372         RTE_FLOW_ITEM_TYPE_IPV4,
 373         RTE_FLOW_ITEM_TYPE_TCP,
 374         RTE_FLOW_ITEM_TYPE_END,
 375
 376 };
 377
 378 enum rte_flow_item_type iavf_pattern_eth_ipv4_gtpu_eh_ipv4_icmp[] = {
 379         RTE_FLOW_ITEM_TYPE_ETH,
 380         RTE_FLOW_ITEM_TYPE_IPV4,
 381         RTE_FLOW_ITEM_TYPE_UDP,
 382         RTE_FLOW_ITEM_TYPE_GTPU,
 383         RTE_FLOW_ITEM_TYPE_GTP_PSC,
 384         RTE_FLOW_ITEM_TYPE_IPV4,
 385         RTE_FLOW_ITEM_TYPE_ICMP,
 386         RTE_FLOW_ITEM_TYPE_END,
 387 };
 388
 389 /* ESP */
 390 enum rte_flow_item_type iavf_pattern_eth_ipv4_esp[] = {
 391         RTE_FLOW_ITEM_TYPE_ETH,
 392         RTE_FLOW_ITEM_TYPE_IPV4,
 393         RTE_FLOW_ITEM_TYPE_ESP,
 394         RTE_FLOW_ITEM_TYPE_END,
 395 };
 396
 397 enum rte_flow_item_type iavf_pattern_eth_ipv4_udp_esp[] = {
 398         RTE_FLOW_ITEM_TYPE_ETH,
 399         RTE_FLOW_ITEM_TYPE_IPV4,
 400         RTE_FLOW_ITEM_TYPE_UDP,
 401         RTE_FLOW_ITEM_TYPE_ESP,
 402         RTE_FLOW_ITEM_TYPE_END,
 403 };
 404
 405 enum rte_flow_item_type iavf_pattern_eth_ipv6_esp[] = {
 406         RTE_FLOW_ITEM_TYPE_ETH,
 407         RTE_FLOW_ITEM_TYPE_IPV6,
 408         RTE_FLOW_ITEM_TYPE_ESP,
 409         RTE_FLOW_ITEM_TYPE_END,
 410 };
 411
 412 enum rte_flow_item_type iavf_pattern_eth_ipv6_udp_esp[] = {
 413         RTE_FLOW_ITEM_TYPE_ETH,
 414         RTE_FLOW_ITEM_TYPE_IPV6,
 415         RTE_FLOW_ITEM_TYPE_UDP,
 416         RTE_FLOW_ITEM_TYPE_ESP,
 417         RTE_FLOW_ITEM_TYPE_END,
 418 };
 419
 420 /* AH */
 421 enum rte_flow_item_type iavf_pattern_eth_ipv4_ah[] = {
 422         RTE_FLOW_ITEM_TYPE_ETH,
 423         RTE_FLOW_ITEM_TYPE_IPV4,
 424         RTE_FLOW_ITEM_TYPE_AH,
 425         RTE_FLOW_ITEM_TYPE_END,
 426 };
 427
 428 enum rte_flow_item_type iavf_pattern_eth_ipv6_ah[] = {
 429         RTE_FLOW_ITEM_TYPE_ETH,
 430         RTE_FLOW_ITEM_TYPE_IPV6,
 431         RTE_FLOW_ITEM_TYPE_AH,
 432         RTE_FLOW_ITEM_TYPE_END,
 433 };
 434
 435 /* L2TPV3 */
 436 enum rte_flow_item_type iavf_pattern_eth_ipv4_l2tpv3[] = {
 437         RTE_FLOW_ITEM_TYPE_ETH,
 438         RTE_FLOW_ITEM_TYPE_IPV4,
 439         RTE_FLOW_ITEM_TYPE_L2TPV3OIP,
 440         RTE_FLOW_ITEM_TYPE_END,
 441 };
 442
 443 enum rte_flow_item_type iavf_pattern_eth_ipv6_l2tpv3[] = {
 444         RTE_FLOW_ITEM_TYPE_ETH,
 445         RTE_FLOW_ITEM_TYPE_IPV6,
 446         RTE_FLOW_ITEM_TYPE_L2TPV3OIP,
 447         RTE_FLOW_ITEM_TYPE_END,
 448 };
 449
 450 /* PFCP */
 451 enum rte_flow_item_type iavf_pattern_eth_ipv4_pfcp[] = {
 452         RTE_FLOW_ITEM_TYPE_ETH,
 453         RTE_FLOW_ITEM_TYPE_IPV4,
 454         RTE_FLOW_ITEM_TYPE_UDP,
 455         RTE_FLOW_ITEM_TYPE_PFCP,
 456         RTE_FLOW_ITEM_TYPE_END,
 457 };
 458
 459 enum rte_flow_item_type iavf_pattern_eth_ipv6_pfcp[] = {
 460         RTE_FLOW_ITEM_TYPE_ETH,
 461         RTE_FLOW_ITEM_TYPE_IPV6,
 462         RTE_FLOW_ITEM_TYPE_UDP,
 463         RTE_FLOW_ITEM_TYPE_PFCP,
 464         RTE_FLOW_ITEM_TYPE_END,
 465 };
 466
 467 typedef struct iavf_flow_engine * (*parse_engine_t)(struct iavf_adapter *ad,
 468                 struct rte_flow *flow,
 469                 struct iavf_parser_list *parser_list,
 470                 const struct rte_flow_item pattern[],
 471                 const struct rte_flow_action actions[],
 472                 struct rte_flow_error *error);
 473
 474 void
 475 iavf_register_flow_engine(struct iavf_flow_engine *engine)
 476 {
 477         TAILQ_INSERT_TAIL(&engine_list, engine, node);
 478 }
 479
 480 int
 481 iavf_flow_init(struct iavf_adapter *ad)
 482 {
 483         int ret;
 484         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(ad);
 485         void *temp;
 486         struct iavf_flow_engine *engine;
 487
 488         TAILQ_INIT(&vf->flow_list);
 489         TAILQ_INIT(&vf->rss_parser_list);
 490         TAILQ_INIT(&vf->dist_parser_list);
 491         rte_spinlock_init(&vf->flow_ops_lock);
 492
 493         TAILQ_FOREACH_SAFE(engine, &engine_list, node, temp) {
 494                 if (engine->init == NULL) {
 495                         PMD_INIT_LOG(ERR, "Invalid engine type (%d)",
 496                                      engine->type);
 497                         return -ENOTSUP;
 498                 }
 499
 500                 ret = engine->init(ad);
 501                 if (ret && ret != -ENOTSUP) {
 502                         PMD_INIT_LOG(ERR, "Failed to initialize engine %d",
 503                                      engine->type);
 504                         return ret;
 505                 }
 506         }
 507         return 0;
 508 }
 509
 510 void
 511 iavf_flow_uninit(struct iavf_adapter *ad)
 512 {
 513         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(ad);
 514         struct iavf_flow_engine *engine;
 515         struct rte_flow *p_flow;
 516         struct iavf_flow_parser_node *p_parser;
 517         void *temp;
 518
 519         TAILQ_FOREACH_SAFE(engine, &engine_list, node, temp) {
 520                 if (engine->uninit)
 521                         engine->uninit(ad);
 522         }
 523
 524         /* Remove all flows */
 525         while ((p_flow = TAILQ_FIRST(&vf->flow_list))) {
 526                 TAILQ_REMOVE(&vf->flow_list, p_flow, node);
 527                 if (p_flow->engine->free)
 528                         p_flow->engine->free(p_flow);
 529                 rte_free(p_flow);
 530         }
 531
 532         /* Cleanup parser list */
 533         while ((p_parser = TAILQ_FIRST(&vf->rss_parser_list))) {
 534                 TAILQ_REMOVE(&vf->rss_parser_list, p_parser, node);
 535                 rte_free(p_parser);
 536         }
 537
 538         while ((p_parser = TAILQ_FIRST(&vf->dist_parser_list))) {
 539                 TAILQ_REMOVE(&vf->dist_parser_list, p_parser, node);
 540                 rte_free(p_parser);
 541         }
 542 }
 543
 544 int
 545 iavf_register_parser(struct iavf_flow_parser *parser,
 546                      struct iavf_adapter *ad)
 547 {
 548         struct iavf_parser_list *list = NULL;
 549         struct iavf_flow_parser_node *parser_node;
 550         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(ad);
 551
 552         parser_node = rte_zmalloc("iavf_parser", sizeof(*parser_node), 0);
 553         if (parser_node == NULL) {
 554                 PMD_DRV_LOG(ERR, "Failed to allocate memory.");
 555                 return -ENOMEM;
 556         }
 557         parser_node->parser = parser;
 558
 559         if (parser->engine->type == IAVF_FLOW_ENGINE_HASH) {
 560                 list = &vf->rss_parser_list;
 561                 TAILQ_INSERT_TAIL(list, parser_node, node);
 562         } else if (parser->engine->type == IAVF_FLOW_ENGINE_FDIR) {
 563                 list = &vf->dist_parser_list;
 564                 TAILQ_INSERT_HEAD(list, parser_node, node);
 565         } else {
 566                 return -EINVAL;
 567         }
 568
 569         return 0;
 570 }
 571
 572 void
 573 iavf_unregister_parser(struct iavf_flow_parser *parser,
 574                        struct iavf_adapter *ad)
 575 {
 576         struct iavf_parser_list *list = NULL;
 577         struct iavf_flow_parser_node *p_parser;
 578         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(ad);
 579         void *temp;
 580
 581         if (parser->engine->type == IAVF_FLOW_ENGINE_HASH)
 582                 list = &vf->rss_parser_list;
 583         else if (parser->engine->type == IAVF_FLOW_ENGINE_FDIR)
 584                 list = &vf->dist_parser_list;
 585
 586         if (list == NULL)
 587                 return;
 588
 589         TAILQ_FOREACH_SAFE(p_parser, list, node, temp) {
 590                 if (p_parser->parser->engine->type == parser->engine->type) {
 591                         TAILQ_REMOVE(list, p_parser, node);
 592                         rte_free(p_parser);
 593                 }
 594         }
 595 }
 596
 597 static int
 598 iavf_flow_valid_attr(const struct rte_flow_attr *attr,
 599                      struct rte_flow_error *error)
 600 {
 601         /* Must be input direction */
 602         if (!attr->ingress) {
 603                 rte_flow_error_set(error, EINVAL,
 604                                 RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
 605                                 attr, "Only support ingress.");
 606                 return -rte_errno;
 607         }
 608
 609         /* Not supported */
 610         if (attr->egress) {
 611                 rte_flow_error_set(error, EINVAL,
 612                                 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS,
 613                                 attr, "Not support egress.");
 614                 return -rte_errno;
 615         }
 616
 617         /* Not supported */
 618         if (attr->priority) {
 619                 rte_flow_error_set(error, EINVAL,
 620                                 RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
 621                                 attr, "Not support priority.");
 622                 return -rte_errno;
 623         }
 624
 625         /* Not supported */
 626         if (attr->group) {
 627                 rte_flow_error_set(error, EINVAL,
 628                                 RTE_FLOW_ERROR_TYPE_ATTR_GROUP,
 629                                 attr, "Not support group.");
 630                 return -rte_errno;
 631         }
 632
 633         return 0;
 634 }
 635
 636 /* Find the first VOID or non-VOID item pointer */
 637 static const struct rte_flow_item *
 638 iavf_find_first_item(const struct rte_flow_item *item, bool is_void)
 639 {
 640         bool is_find;
 641
 642         while (item->type != RTE_FLOW_ITEM_TYPE_END) {
 643                 if (is_void)
 644                         is_find = item->type == RTE_FLOW_ITEM_TYPE_VOID;
 645                 else
 646                         is_find = item->type != RTE_FLOW_ITEM_TYPE_VOID;
 647                 if (is_find)
 648                         break;
 649                 item++;
 650         }
 651         return item;
 652 }
 653
 654 /* Skip all VOID items of the pattern */
 655 static void
 656 iavf_pattern_skip_void_item(struct rte_flow_item *items,
 657                         const struct rte_flow_item *pattern)
 658 {
 659         uint32_t cpy_count = 0;
 660         const struct rte_flow_item *pb = pattern, *pe = pattern;
 661
 662         for (;;) {
 663                 /* Find a non-void item first */
 664                 pb = iavf_find_first_item(pb, false);
 665                 if (pb->type == RTE_FLOW_ITEM_TYPE_END) {
 666                         pe = pb;
 667                         break;
 668                 }
 669
 670                 /* Find a void item */
 671                 pe = iavf_find_first_item(pb + 1, true);
 672
 673                 cpy_count = pe - pb;
 674                 rte_memcpy(items, pb, sizeof(struct rte_flow_item) * cpy_count);
 675
 676                 items += cpy_count;
 677
 678                 if (pe->type == RTE_FLOW_ITEM_TYPE_END)
 679                         break;
 680
 681                 pb = pe + 1;
 682         }
 683         /* Copy the END item. */
 684         rte_memcpy(items, pe, sizeof(struct rte_flow_item));
 685 }
 686
 687 /* Check if the pattern matches a supported item type array */
 688 static bool
 689 iavf_match_pattern(enum rte_flow_item_type *item_array,
 690                    const struct rte_flow_item *pattern)
 691 {
 692         const struct rte_flow_item *item = pattern;
 693
 694         while ((*item_array == item->type) &&
 695                (*item_array != RTE_FLOW_ITEM_TYPE_END)) {
 696                 item_array++;
 697                 item++;
 698         }
 699
 700         return (*item_array == RTE_FLOW_ITEM_TYPE_END &&
 701                 item->type == RTE_FLOW_ITEM_TYPE_END);
 702 }
 703
 704 struct iavf_pattern_match_item *
 705 iavf_search_pattern_match_item(const struct rte_flow_item pattern[],
 706                 struct iavf_pattern_match_item *array,
 707                 uint32_t array_len,
 708                 struct rte_flow_error *error)
 709 {
 710         uint16_t i = 0;
 711         struct iavf_pattern_match_item *pattern_match_item;
 712         /* need free by each filter */
 713         struct rte_flow_item *items; /* used for pattern without VOID items */
 714         uint32_t item_num = 0; /* non-void item number */
 715
 716         /* Get the non-void item number of pattern */
 717         while ((pattern + i)->type != RTE_FLOW_ITEM_TYPE_END) {
 718                 if ((pattern + i)->type != RTE_FLOW_ITEM_TYPE_VOID)
 719                         item_num++;
 720                 i++;
 721         }
 722         item_num++;
 723
 724         items = rte_zmalloc("iavf_pattern",
 725                             item_num * sizeof(struct rte_flow_item), 0);
 726         if (!items) {
 727                 rte_flow_error_set(error, ENOMEM, RTE_FLOW_ERROR_TYPE_ITEM_NUM,
 728                                    NULL, "No memory for PMD internal items.");
 729                 return NULL;
 730         }
 731         pattern_match_item = rte_zmalloc("iavf_pattern_match_item",
 732                                 sizeof(struct iavf_pattern_match_item), 0);
 733         if (!pattern_match_item) {
 734                 rte_flow_error_set(error, ENOMEM, RTE_FLOW_ERROR_TYPE_HANDLE,
 735                                    NULL, "Failed to allocate memory.");
 736                 return NULL;
 737         }
 738
 739         iavf_pattern_skip_void_item(items, pattern);
 740
 741         for (i = 0; i < array_len; i++)
 742                 if (iavf_match_pattern(array[i].pattern_list,
 743                                        items)) {
 744                         pattern_match_item->input_set_mask =
 745                                 array[i].input_set_mask;
 746                         pattern_match_item->pattern_list =
 747                                 array[i].pattern_list;
 748                         pattern_match_item->meta = array[i].meta;
 749                         rte_free(items);
 750                         return pattern_match_item;
 751                 }
 752         rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM,
 753                            pattern, "Unsupported pattern");
 754
 755         rte_free(items);
 756         rte_free(pattern_match_item);
 757         return NULL;
 758 }
 759
 760 static struct iavf_flow_engine *
 761 iavf_parse_engine_create(struct iavf_adapter *ad,
 762                 struct rte_flow *flow,
 763                 struct iavf_parser_list *parser_list,
 764                 const struct rte_flow_item pattern[],
 765                 const struct rte_flow_action actions[],
 766                 struct rte_flow_error *error)
 767 {
 768         struct iavf_flow_engine *engine = NULL;
 769         struct iavf_flow_parser_node *parser_node;
 770         void *temp;
 771         void *meta = NULL;
 772
 773         TAILQ_FOREACH_SAFE(parser_node, parser_list, node, temp) {
 774                 if (parser_node->parser->parse_pattern_action(ad,
 775                                 parser_node->parser->array,
 776                                 parser_node->parser->array_len,
 777                                 pattern, actions, &meta, error) < 0)
 778                         continue;
 779
 780                 engine = parser_node->parser->engine;
 781
 782                 RTE_ASSERT(engine->create != NULL);
 783                 if (!(engine->create(ad, flow, meta, error)))
 784                         return engine;
 785         }
 786         return NULL;
 787 }
 788
 789 static struct iavf_flow_engine *
 790 iavf_parse_engine_validate(struct iavf_adapter *ad,
 791                 struct rte_flow *flow,
 792                 struct iavf_parser_list *parser_list,
 793                 const struct rte_flow_item pattern[],
 794                 const struct rte_flow_action actions[],
 795                 struct rte_flow_error *error)
 796 {
 797         struct iavf_flow_engine *engine = NULL;
 798         struct iavf_flow_parser_node *parser_node;
 799         void *temp;
 800         void *meta = NULL;
 801
 802         TAILQ_FOREACH_SAFE(parser_node, parser_list, node, temp) {
 803                 if (parser_node->parser->parse_pattern_action(ad,
 804                                 parser_node->parser->array,
 805                                 parser_node->parser->array_len,
 806                                 pattern, actions, &meta,  error) < 0)
 807                         continue;
 808
 809                 engine = parser_node->parser->engine;
 810                 if (engine->validation == NULL) {
 811                         rte_flow_error_set(error, EINVAL,
 812                                 RTE_FLOW_ERROR_TYPE_HANDLE,
 813                                 NULL, "Validation not support");
 814                         continue;
 815                 }
 816
 817                 if (engine->validation(ad, flow, meta, error)) {
 818                         rte_flow_error_set(error, EINVAL,
 819                                 RTE_FLOW_ERROR_TYPE_HANDLE,
 820                                 NULL, "Validation failed");
 821                         break;
 822                 }
 823         }
 824         return engine;
 825 }
 826
 827
 828 static int
 829 iavf_flow_process_filter(struct rte_eth_dev *dev,
 830                 struct rte_flow *flow,
 831                 const struct rte_flow_attr *attr,
 832                 const struct rte_flow_item pattern[],
 833                 const struct rte_flow_action actions[],
 834                 struct iavf_flow_engine **engine,
 835                 parse_engine_t iavf_parse_engine,
 836                 struct rte_flow_error *error)
 837 {
 838         int ret = IAVF_ERR_CONFIG;
 839         struct iavf_adapter *ad =
 840                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 841         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(ad);
 842
 843         if (!pattern) {
 844                 rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM_NUM,
 845                                    NULL, "NULL pattern.");
 846                 return -rte_errno;
 847         }
 848
 849         if (!actions) {
 850                 rte_flow_error_set(error, EINVAL,
 851                                    RTE_FLOW_ERROR_TYPE_ACTION_NUM,
 852                                    NULL, "NULL action.");
 853                 return -rte_errno;
 854         }
 855
 856         if (!attr) {
 857                 rte_flow_error_set(error, EINVAL,
 858                                    RTE_FLOW_ERROR_TYPE_ATTR,
 859                                    NULL, "NULL attribute.");
 860                 return -rte_errno;
 861         }
 862
 863         ret = iavf_flow_valid_attr(attr, error);
 864         if (ret)
 865                 return ret;
 866
 867         *engine = iavf_parse_engine(ad, flow, &vf->rss_parser_list, pattern,
 868                                     actions, error);
 869         if (*engine != NULL)
 870                 return 0;
 871
 872         *engine = iavf_parse_engine(ad, flow, &vf->dist_parser_list, pattern,
 873                                     actions, error);
 874
 875         if (*engine == NULL)
 876                 return -EINVAL;
 877
 878         return 0;
 879 }
 880
 881 static int
 882 iavf_flow_validate(struct rte_eth_dev *dev,
 883                 const struct rte_flow_attr *attr,
 884                 const struct rte_flow_item pattern[],
 885                 const struct rte_flow_action actions[],
 886                 struct rte_flow_error *error)
 887 {
 888         struct iavf_flow_engine *engine;
 889
 890         return iavf_flow_process_filter(dev, NULL, attr, pattern, actions,
 891                         &engine, iavf_parse_engine_validate, error);
 892 }
 893
 894 static struct rte_flow *
 895 iavf_flow_create(struct rte_eth_dev *dev,
 896                  const struct rte_flow_attr *attr,
 897                  const struct rte_flow_item pattern[],
 898                  const struct rte_flow_action actions[],
 899                  struct rte_flow_error *error)
 900 {
 901         struct iavf_adapter *ad =
 902                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 903         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(ad);
 904         struct iavf_flow_engine *engine = NULL;
 905         struct rte_flow *flow = NULL;
 906         int ret;
 907
 908         flow = rte_zmalloc("iavf_flow", sizeof(struct rte_flow), 0);
 909         if (!flow) {
 910                 rte_flow_error_set(error, ENOMEM,
 911                                    RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
 912                                    "Failed to allocate memory");
 913                 return flow;
 914         }
 915
 916         ret = iavf_flow_process_filter(dev, flow, attr, pattern, actions,
 917                         &engine, iavf_parse_engine_create, error);
 918         if (ret < 0) {
 919                 PMD_DRV_LOG(ERR, "Failed to create flow");
 920                 rte_free(flow);
 921                 flow = NULL;
 922                 goto free_flow;
 923         }
 924
 925         flow->engine = engine;
 926         TAILQ_INSERT_TAIL(&vf->flow_list, flow, node);
 927         PMD_DRV_LOG(INFO, "Succeeded to create (%d) flow", engine->type);
 928
 929 free_flow:
 930         rte_spinlock_unlock(&vf->flow_ops_lock);
 931         return flow;
 932 }
 933
 934 static int
 935 iavf_flow_destroy(struct rte_eth_dev *dev,
 936                   struct rte_flow *flow,
 937                   struct rte_flow_error *error)
 938 {
 939         struct iavf_adapter *ad =
 940                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 941         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(ad);
 942         int ret = 0;
 943
 944         if (!flow || !flow->engine || !flow->engine->destroy) {
 945                 rte_flow_error_set(error, EINVAL,
 946                                    RTE_FLOW_ERROR_TYPE_HANDLE,
 947                                    NULL, "Invalid flow");
 948                 return -rte_errno;
 949         }
 950
 951         rte_spinlock_lock(&vf->flow_ops_lock);
 952
 953         ret = flow->engine->destroy(ad, flow, error);
 954
 955         if (!ret) {
 956                 TAILQ_REMOVE(&vf->flow_list, flow, node);
 957                 rte_free(flow);
 958         } else {
 959                 PMD_DRV_LOG(ERR, "Failed to destroy flow");
 960         }
 961
 962         rte_spinlock_unlock(&vf->flow_ops_lock);
 963
 964         return ret;
 965 }
 966
 967 int
 968 iavf_flow_flush(struct rte_eth_dev *dev,
 969                 struct rte_flow_error *error)
 970 {
 971         struct iavf_adapter *ad =
 972                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 973         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(ad);
 974         struct rte_flow *p_flow;
 975         void *temp;
 976         int ret = 0;
 977
 978         TAILQ_FOREACH_SAFE(p_flow, &vf->flow_list, node, temp) {
 979                 ret = iavf_flow_destroy(dev, p_flow, error);
 980                 if (ret) {
 981                         PMD_DRV_LOG(ERR, "Failed to flush flows");
 982                         return -EINVAL;
 983                 }
 984         }
 985
 986         return ret;
 987 }
 988
 989 static int
 990 iavf_flow_query(struct rte_eth_dev *dev,
 991                 struct rte_flow *flow,
 992                 const struct rte_flow_action *actions,
 993                 void *data,
 994                 struct rte_flow_error *error)
 995 {
 996         int ret = -EINVAL;
 997         struct iavf_adapter *ad =
 998                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 999         struct rte_flow_query_count *count = data;
1000
1001         if (!flow || !flow->engine || !flow->engine->query_count) {
1002                 rte_flow_error_set(error, EINVAL,
1003                                    RTE_FLOW_ERROR_TYPE_HANDLE,
1004                                    NULL, "Invalid flow");
1005                 return -rte_errno;
1006         }
1007
1008         for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
1009                 switch (actions->type) {
1010                 case RTE_FLOW_ACTION_TYPE_VOID:
1011                         break;
1012                 case RTE_FLOW_ACTION_TYPE_COUNT:
1013                         ret = flow->engine->query_count(ad, flow, count, error);
1014                         break;
1015                 default:
1016                         return rte_flow_error_set(error, ENOTSUP,
1017                                         RTE_FLOW_ERROR_TYPE_ACTION,
1018                                         actions,
1019                                         "action not supported");
1020                 }
1021         }
1022         return ret;
1023 }
1024