1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright 2016 6WIND S.A. 3 * Copyright 2016 Mellanox Technologies, Ltd 4 */ 5 6 #include <errno.h> 7 #include <stddef.h> 8 #include <stdint.h> 9 #include <string.h> 10 11 #include <rte_common.h> 12 #include <rte_errno.h> 13 #include <rte_branch_prediction.h> 14 #include <rte_string_fns.h> 15 #include <rte_mbuf.h> 16 #include <rte_mbuf_dyn.h> 17 #include "rte_ethdev.h" 18 #include "rte_flow_driver.h" 19 #include "rte_flow.h" 20 21 /* Mbuf dynamic field name for metadata. */ 22 int32_t rte_flow_dynf_metadata_offs = -1; 23 24 /* Mbuf dynamic field flag bit number for metadata. */ 25 uint64_t rte_flow_dynf_metadata_mask; 26 27 /** 28 * Flow elements description tables. 29 */ 30 struct rte_flow_desc_data { 31 const char *name; 32 size_t size; 33 }; 34 35 /** Generate flow_item[] entry. */ 36 #define MK_FLOW_ITEM(t, s) \ 37 [RTE_FLOW_ITEM_TYPE_ ## t] = { \ 38 .name = # t, \ 39 .size = s, \ 40 } 41 42 /** Information about known flow pattern items. */ 43 static const struct rte_flow_desc_data rte_flow_desc_item[] = { 44 MK_FLOW_ITEM(END, 0), 45 MK_FLOW_ITEM(VOID, 0), 46 MK_FLOW_ITEM(INVERT, 0), 47 MK_FLOW_ITEM(ANY, sizeof(struct rte_flow_item_any)), 48 MK_FLOW_ITEM(PF, 0), 49 MK_FLOW_ITEM(VF, sizeof(struct rte_flow_item_vf)), 50 MK_FLOW_ITEM(PHY_PORT, sizeof(struct rte_flow_item_phy_port)), 51 MK_FLOW_ITEM(PORT_ID, sizeof(struct rte_flow_item_port_id)), 52 MK_FLOW_ITEM(RAW, sizeof(struct rte_flow_item_raw)), 53 MK_FLOW_ITEM(ETH, sizeof(struct rte_flow_item_eth)), 54 MK_FLOW_ITEM(VLAN, sizeof(struct rte_flow_item_vlan)), 55 MK_FLOW_ITEM(IPV4, sizeof(struct rte_flow_item_ipv4)), 56 MK_FLOW_ITEM(IPV6, sizeof(struct rte_flow_item_ipv6)), 57 MK_FLOW_ITEM(ICMP, sizeof(struct rte_flow_item_icmp)), 58 MK_FLOW_ITEM(UDP, sizeof(struct rte_flow_item_udp)), 59 MK_FLOW_ITEM(TCP, sizeof(struct rte_flow_item_tcp)), 60 MK_FLOW_ITEM(SCTP, sizeof(struct rte_flow_item_sctp)), 61 MK_FLOW_ITEM(VXLAN, sizeof(struct rte_flow_item_vxlan)), 62 MK_FLOW_ITEM(E_TAG, sizeof(struct rte_flow_item_e_tag)), 63 MK_FLOW_ITEM(NVGRE, sizeof(struct rte_flow_item_nvgre)), 64 MK_FLOW_ITEM(MPLS, sizeof(struct rte_flow_item_mpls)), 65 MK_FLOW_ITEM(GRE, sizeof(struct rte_flow_item_gre)), 66 MK_FLOW_ITEM(FUZZY, sizeof(struct rte_flow_item_fuzzy)), 67 MK_FLOW_ITEM(GTP, sizeof(struct rte_flow_item_gtp)), 68 MK_FLOW_ITEM(GTPC, sizeof(struct rte_flow_item_gtp)), 69 MK_FLOW_ITEM(GTPU, sizeof(struct rte_flow_item_gtp)), 70 MK_FLOW_ITEM(ESP, sizeof(struct rte_flow_item_esp)), 71 MK_FLOW_ITEM(GENEVE, sizeof(struct rte_flow_item_geneve)), 72 MK_FLOW_ITEM(VXLAN_GPE, sizeof(struct rte_flow_item_vxlan_gpe)), 73 MK_FLOW_ITEM(ARP_ETH_IPV4, sizeof(struct rte_flow_item_arp_eth_ipv4)), 74 MK_FLOW_ITEM(IPV6_EXT, sizeof(struct rte_flow_item_ipv6_ext)), 75 MK_FLOW_ITEM(IPV6_FRAG_EXT, sizeof(struct rte_flow_item_ipv6_frag_ext)), 76 MK_FLOW_ITEM(ICMP6, sizeof(struct rte_flow_item_icmp6)), 77 MK_FLOW_ITEM(ICMP6_ND_NS, sizeof(struct rte_flow_item_icmp6_nd_ns)), 78 MK_FLOW_ITEM(ICMP6_ND_NA, sizeof(struct rte_flow_item_icmp6_nd_na)), 79 MK_FLOW_ITEM(ICMP6_ND_OPT, sizeof(struct rte_flow_item_icmp6_nd_opt)), 80 MK_FLOW_ITEM(ICMP6_ND_OPT_SLA_ETH, 81 sizeof(struct rte_flow_item_icmp6_nd_opt_sla_eth)), 82 MK_FLOW_ITEM(ICMP6_ND_OPT_TLA_ETH, 83 sizeof(struct rte_flow_item_icmp6_nd_opt_tla_eth)), 84 MK_FLOW_ITEM(MARK, sizeof(struct rte_flow_item_mark)), 85 MK_FLOW_ITEM(META, sizeof(struct rte_flow_item_meta)), 86 MK_FLOW_ITEM(TAG, sizeof(struct rte_flow_item_tag)), 87 MK_FLOW_ITEM(GRE_KEY, sizeof(rte_be32_t)), 88 MK_FLOW_ITEM(GTP_PSC, sizeof(struct rte_flow_item_gtp_psc)), 89 MK_FLOW_ITEM(PPPOES, sizeof(struct rte_flow_item_pppoe)), 90 MK_FLOW_ITEM(PPPOED, sizeof(struct rte_flow_item_pppoe)), 91 MK_FLOW_ITEM(PPPOE_PROTO_ID, 92 sizeof(struct rte_flow_item_pppoe_proto_id)), 93 MK_FLOW_ITEM(NSH, sizeof(struct rte_flow_item_nsh)), 94 MK_FLOW_ITEM(IGMP, sizeof(struct rte_flow_item_igmp)), 95 MK_FLOW_ITEM(AH, sizeof(struct rte_flow_item_ah)), 96 MK_FLOW_ITEM(HIGIG2, sizeof(struct rte_flow_item_higig2_hdr)), 97 MK_FLOW_ITEM(L2TPV3OIP, sizeof(struct rte_flow_item_l2tpv3oip)), 98 MK_FLOW_ITEM(PFCP, sizeof(struct rte_flow_item_pfcp)), 99 MK_FLOW_ITEM(ECPRI, sizeof(struct rte_flow_item_ecpri)), 100 }; 101 102 /** Generate flow_action[] entry. */ 103 #define MK_FLOW_ACTION(t, s) \ 104 [RTE_FLOW_ACTION_TYPE_ ## t] = { \ 105 .name = # t, \ 106 .size = s, \ 107 } 108 109 /** Information about known flow actions. */ 110 static const struct rte_flow_desc_data rte_flow_desc_action[] = { 111 MK_FLOW_ACTION(END, 0), 112 MK_FLOW_ACTION(VOID, 0), 113 MK_FLOW_ACTION(PASSTHRU, 0), 114 MK_FLOW_ACTION(JUMP, sizeof(struct rte_flow_action_jump)), 115 MK_FLOW_ACTION(MARK, sizeof(struct rte_flow_action_mark)), 116 MK_FLOW_ACTION(FLAG, 0), 117 MK_FLOW_ACTION(QUEUE, sizeof(struct rte_flow_action_queue)), 118 MK_FLOW_ACTION(DROP, 0), 119 MK_FLOW_ACTION(COUNT, sizeof(struct rte_flow_action_count)), 120 MK_FLOW_ACTION(RSS, sizeof(struct rte_flow_action_rss)), 121 MK_FLOW_ACTION(PF, 0), 122 MK_FLOW_ACTION(VF, sizeof(struct rte_flow_action_vf)), 123 MK_FLOW_ACTION(PHY_PORT, sizeof(struct rte_flow_action_phy_port)), 124 MK_FLOW_ACTION(PORT_ID, sizeof(struct rte_flow_action_port_id)), 125 MK_FLOW_ACTION(METER, sizeof(struct rte_flow_action_meter)), 126 MK_FLOW_ACTION(SECURITY, sizeof(struct rte_flow_action_security)), 127 MK_FLOW_ACTION(OF_SET_MPLS_TTL, 128 sizeof(struct rte_flow_action_of_set_mpls_ttl)), 129 MK_FLOW_ACTION(OF_DEC_MPLS_TTL, 0), 130 MK_FLOW_ACTION(OF_SET_NW_TTL, 131 sizeof(struct rte_flow_action_of_set_nw_ttl)), 132 MK_FLOW_ACTION(OF_DEC_NW_TTL, 0), 133 MK_FLOW_ACTION(OF_COPY_TTL_OUT, 0), 134 MK_FLOW_ACTION(OF_COPY_TTL_IN, 0), 135 MK_FLOW_ACTION(OF_POP_VLAN, 0), 136 MK_FLOW_ACTION(OF_PUSH_VLAN, 137 sizeof(struct rte_flow_action_of_push_vlan)), 138 MK_FLOW_ACTION(OF_SET_VLAN_VID, 139 sizeof(struct rte_flow_action_of_set_vlan_vid)), 140 MK_FLOW_ACTION(OF_SET_VLAN_PCP, 141 sizeof(struct rte_flow_action_of_set_vlan_pcp)), 142 MK_FLOW_ACTION(OF_POP_MPLS, 143 sizeof(struct rte_flow_action_of_pop_mpls)), 144 MK_FLOW_ACTION(OF_PUSH_MPLS, 145 sizeof(struct rte_flow_action_of_push_mpls)), 146 MK_FLOW_ACTION(VXLAN_ENCAP, sizeof(struct rte_flow_action_vxlan_encap)), 147 MK_FLOW_ACTION(VXLAN_DECAP, 0), 148 MK_FLOW_ACTION(NVGRE_ENCAP, sizeof(struct rte_flow_action_vxlan_encap)), 149 MK_FLOW_ACTION(NVGRE_DECAP, 0), 150 MK_FLOW_ACTION(RAW_ENCAP, sizeof(struct rte_flow_action_raw_encap)), 151 MK_FLOW_ACTION(RAW_DECAP, sizeof(struct rte_flow_action_raw_decap)), 152 MK_FLOW_ACTION(SET_IPV4_SRC, 153 sizeof(struct rte_flow_action_set_ipv4)), 154 MK_FLOW_ACTION(SET_IPV4_DST, 155 sizeof(struct rte_flow_action_set_ipv4)), 156 MK_FLOW_ACTION(SET_IPV6_SRC, 157 sizeof(struct rte_flow_action_set_ipv6)), 158 MK_FLOW_ACTION(SET_IPV6_DST, 159 sizeof(struct rte_flow_action_set_ipv6)), 160 MK_FLOW_ACTION(SET_TP_SRC, 161 sizeof(struct rte_flow_action_set_tp)), 162 MK_FLOW_ACTION(SET_TP_DST, 163 sizeof(struct rte_flow_action_set_tp)), 164 MK_FLOW_ACTION(MAC_SWAP, 0), 165 MK_FLOW_ACTION(DEC_TTL, 0), 166 MK_FLOW_ACTION(SET_TTL, sizeof(struct rte_flow_action_set_ttl)), 167 MK_FLOW_ACTION(SET_MAC_SRC, sizeof(struct rte_flow_action_set_mac)), 168 MK_FLOW_ACTION(SET_MAC_DST, sizeof(struct rte_flow_action_set_mac)), 169 MK_FLOW_ACTION(INC_TCP_SEQ, sizeof(rte_be32_t)), 170 MK_FLOW_ACTION(DEC_TCP_SEQ, sizeof(rte_be32_t)), 171 MK_FLOW_ACTION(INC_TCP_ACK, sizeof(rte_be32_t)), 172 MK_FLOW_ACTION(DEC_TCP_ACK, sizeof(rte_be32_t)), 173 MK_FLOW_ACTION(SET_TAG, sizeof(struct rte_flow_action_set_tag)), 174 MK_FLOW_ACTION(SET_META, sizeof(struct rte_flow_action_set_meta)), 175 MK_FLOW_ACTION(SET_IPV4_DSCP, sizeof(struct rte_flow_action_set_dscp)), 176 MK_FLOW_ACTION(SET_IPV6_DSCP, sizeof(struct rte_flow_action_set_dscp)), 177 MK_FLOW_ACTION(AGE, sizeof(struct rte_flow_action_age)), 178 MK_FLOW_ACTION(SAMPLE, sizeof(struct rte_flow_action_sample)), 179 /** 180 * Shared action represented as handle of type 181 * (struct rte_flow_shared action *) stored in conf field (see 182 * struct rte_flow_action); no need for additional structure to * store 183 * shared action handle. 184 */ 185 MK_FLOW_ACTION(SHARED, 0), 186 }; 187 188 int 189 rte_flow_dynf_metadata_register(void) 190 { 191 int offset; 192 int flag; 193 194 static const struct rte_mbuf_dynfield desc_offs = { 195 .name = RTE_MBUF_DYNFIELD_METADATA_NAME, 196 .size = sizeof(uint32_t), 197 .align = __alignof__(uint32_t), 198 }; 199 static const struct rte_mbuf_dynflag desc_flag = { 200 .name = RTE_MBUF_DYNFLAG_METADATA_NAME, 201 }; 202 203 offset = rte_mbuf_dynfield_register(&desc_offs); 204 if (offset < 0) 205 goto error; 206 flag = rte_mbuf_dynflag_register(&desc_flag); 207 if (flag < 0) 208 goto error; 209 rte_flow_dynf_metadata_offs = offset; 210 rte_flow_dynf_metadata_mask = (1ULL << flag); 211 return 0; 212 213 error: 214 rte_flow_dynf_metadata_offs = -1; 215 rte_flow_dynf_metadata_mask = 0ULL; 216 return -rte_errno; 217 } 218 219 static inline void 220 fts_enter(struct rte_eth_dev *dev) 221 { 222 if (!(dev->data->dev_flags & RTE_ETH_DEV_FLOW_OPS_THREAD_SAFE)) 223 pthread_mutex_lock(&dev->data->flow_ops_mutex); 224 } 225 226 static inline void 227 fts_exit(struct rte_eth_dev *dev) 228 { 229 if (!(dev->data->dev_flags & RTE_ETH_DEV_FLOW_OPS_THREAD_SAFE)) 230 pthread_mutex_unlock(&dev->data->flow_ops_mutex); 231 } 232 233 static int 234 flow_err(uint16_t port_id, int ret, struct rte_flow_error *error) 235 { 236 if (ret == 0) 237 return 0; 238 if (rte_eth_dev_is_removed(port_id)) 239 return rte_flow_error_set(error, EIO, 240 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 241 NULL, rte_strerror(EIO)); 242 return ret; 243 } 244 245 /* Get generic flow operations structure from a port. */ 246 const struct rte_flow_ops * 247 rte_flow_ops_get(uint16_t port_id, struct rte_flow_error *error) 248 { 249 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 250 const struct rte_flow_ops *ops; 251 int code; 252 253 if (unlikely(!rte_eth_dev_is_valid_port(port_id))) 254 code = ENODEV; 255 else if (unlikely(!dev->dev_ops->filter_ctrl || 256 dev->dev_ops->filter_ctrl(dev, 257 RTE_ETH_FILTER_GENERIC, 258 RTE_ETH_FILTER_GET, 259 &ops) || 260 !ops)) 261 code = ENOSYS; 262 else 263 return ops; 264 rte_flow_error_set(error, code, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 265 NULL, rte_strerror(code)); 266 return NULL; 267 } 268 269 /* Check whether a flow rule can be created on a given port. */ 270 int 271 rte_flow_validate(uint16_t port_id, 272 const struct rte_flow_attr *attr, 273 const struct rte_flow_item pattern[], 274 const struct rte_flow_action actions[], 275 struct rte_flow_error *error) 276 { 277 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 278 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 279 int ret; 280 281 if (unlikely(!ops)) 282 return -rte_errno; 283 if (likely(!!ops->validate)) { 284 fts_enter(dev); 285 ret = ops->validate(dev, attr, pattern, actions, error); 286 fts_exit(dev); 287 return flow_err(port_id, ret, error); 288 } 289 return rte_flow_error_set(error, ENOSYS, 290 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 291 NULL, rte_strerror(ENOSYS)); 292 } 293 294 /* Create a flow rule on a given port. */ 295 struct rte_flow * 296 rte_flow_create(uint16_t port_id, 297 const struct rte_flow_attr *attr, 298 const struct rte_flow_item pattern[], 299 const struct rte_flow_action actions[], 300 struct rte_flow_error *error) 301 { 302 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 303 struct rte_flow *flow; 304 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 305 306 if (unlikely(!ops)) 307 return NULL; 308 if (likely(!!ops->create)) { 309 fts_enter(dev); 310 flow = ops->create(dev, attr, pattern, actions, error); 311 fts_exit(dev); 312 if (flow == NULL) 313 flow_err(port_id, -rte_errno, error); 314 return flow; 315 } 316 rte_flow_error_set(error, ENOSYS, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 317 NULL, rte_strerror(ENOSYS)); 318 return NULL; 319 } 320 321 /* Destroy a flow rule on a given port. */ 322 int 323 rte_flow_destroy(uint16_t port_id, 324 struct rte_flow *flow, 325 struct rte_flow_error *error) 326 { 327 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 328 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 329 int ret; 330 331 if (unlikely(!ops)) 332 return -rte_errno; 333 if (likely(!!ops->destroy)) { 334 fts_enter(dev); 335 ret = ops->destroy(dev, flow, error); 336 fts_exit(dev); 337 return flow_err(port_id, ret, error); 338 } 339 return rte_flow_error_set(error, ENOSYS, 340 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 341 NULL, rte_strerror(ENOSYS)); 342 } 343 344 /* Destroy all flow rules associated with a port. */ 345 int 346 rte_flow_flush(uint16_t port_id, 347 struct rte_flow_error *error) 348 { 349 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 350 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 351 int ret; 352 353 if (unlikely(!ops)) 354 return -rte_errno; 355 if (likely(!!ops->flush)) { 356 fts_enter(dev); 357 ret = ops->flush(dev, error); 358 fts_exit(dev); 359 return flow_err(port_id, ret, error); 360 } 361 return rte_flow_error_set(error, ENOSYS, 362 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 363 NULL, rte_strerror(ENOSYS)); 364 } 365 366 /* Query an existing flow rule. */ 367 int 368 rte_flow_query(uint16_t port_id, 369 struct rte_flow *flow, 370 const struct rte_flow_action *action, 371 void *data, 372 struct rte_flow_error *error) 373 { 374 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 375 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 376 int ret; 377 378 if (!ops) 379 return -rte_errno; 380 if (likely(!!ops->query)) { 381 fts_enter(dev); 382 ret = ops->query(dev, flow, action, data, error); 383 fts_exit(dev); 384 return flow_err(port_id, ret, error); 385 } 386 return rte_flow_error_set(error, ENOSYS, 387 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 388 NULL, rte_strerror(ENOSYS)); 389 } 390 391 /* Restrict ingress traffic to the defined flow rules. */ 392 int 393 rte_flow_isolate(uint16_t port_id, 394 int set, 395 struct rte_flow_error *error) 396 { 397 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 398 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 399 int ret; 400 401 if (!ops) 402 return -rte_errno; 403 if (likely(!!ops->isolate)) { 404 fts_enter(dev); 405 ret = ops->isolate(dev, set, error); 406 fts_exit(dev); 407 return flow_err(port_id, ret, error); 408 } 409 return rte_flow_error_set(error, ENOSYS, 410 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 411 NULL, rte_strerror(ENOSYS)); 412 } 413 414 /* Initialize flow error structure. */ 415 int 416 rte_flow_error_set(struct rte_flow_error *error, 417 int code, 418 enum rte_flow_error_type type, 419 const void *cause, 420 const char *message) 421 { 422 if (error) { 423 *error = (struct rte_flow_error){ 424 .type = type, 425 .cause = cause, 426 .message = message, 427 }; 428 } 429 rte_errno = code; 430 return -code; 431 } 432 433 /** Pattern item specification types. */ 434 enum rte_flow_conv_item_spec_type { 435 RTE_FLOW_CONV_ITEM_SPEC, 436 RTE_FLOW_CONV_ITEM_LAST, 437 RTE_FLOW_CONV_ITEM_MASK, 438 }; 439 440 /** 441 * Copy pattern item specification. 442 * 443 * @param[out] buf 444 * Output buffer. Can be NULL if @p size is zero. 445 * @param size 446 * Size of @p buf in bytes. 447 * @param[in] item 448 * Pattern item to copy specification from. 449 * @param type 450 * Specification selector for either @p spec, @p last or @p mask. 451 * 452 * @return 453 * Number of bytes needed to store pattern item specification regardless 454 * of @p size. @p buf contents are truncated to @p size if not large 455 * enough. 456 */ 457 static size_t 458 rte_flow_conv_item_spec(void *buf, const size_t size, 459 const struct rte_flow_item *item, 460 enum rte_flow_conv_item_spec_type type) 461 { 462 size_t off; 463 const void *data = 464 type == RTE_FLOW_CONV_ITEM_SPEC ? item->spec : 465 type == RTE_FLOW_CONV_ITEM_LAST ? item->last : 466 type == RTE_FLOW_CONV_ITEM_MASK ? item->mask : 467 NULL; 468 469 switch (item->type) { 470 union { 471 const struct rte_flow_item_raw *raw; 472 } spec; 473 union { 474 const struct rte_flow_item_raw *raw; 475 } last; 476 union { 477 const struct rte_flow_item_raw *raw; 478 } mask; 479 union { 480 const struct rte_flow_item_raw *raw; 481 } src; 482 union { 483 struct rte_flow_item_raw *raw; 484 } dst; 485 size_t tmp; 486 487 case RTE_FLOW_ITEM_TYPE_RAW: 488 spec.raw = item->spec; 489 last.raw = item->last ? item->last : item->spec; 490 mask.raw = item->mask ? item->mask : &rte_flow_item_raw_mask; 491 src.raw = data; 492 dst.raw = buf; 493 rte_memcpy(dst.raw, 494 (&(struct rte_flow_item_raw){ 495 .relative = src.raw->relative, 496 .search = src.raw->search, 497 .reserved = src.raw->reserved, 498 .offset = src.raw->offset, 499 .limit = src.raw->limit, 500 .length = src.raw->length, 501 }), 502 size > sizeof(*dst.raw) ? sizeof(*dst.raw) : size); 503 off = sizeof(*dst.raw); 504 if (type == RTE_FLOW_CONV_ITEM_SPEC || 505 (type == RTE_FLOW_CONV_ITEM_MASK && 506 ((spec.raw->length & mask.raw->length) >= 507 (last.raw->length & mask.raw->length)))) 508 tmp = spec.raw->length & mask.raw->length; 509 else 510 tmp = last.raw->length & mask.raw->length; 511 if (tmp) { 512 off = RTE_ALIGN_CEIL(off, sizeof(*dst.raw->pattern)); 513 if (size >= off + tmp) 514 dst.raw->pattern = rte_memcpy 515 ((void *)((uintptr_t)dst.raw + off), 516 src.raw->pattern, tmp); 517 off += tmp; 518 } 519 break; 520 default: 521 /** 522 * allow PMD private flow item 523 */ 524 off = (int)item->type >= 0 ? 525 rte_flow_desc_item[item->type].size : sizeof(void *); 526 rte_memcpy(buf, data, (size > off ? off : size)); 527 break; 528 } 529 return off; 530 } 531 532 /** 533 * Copy action configuration. 534 * 535 * @param[out] buf 536 * Output buffer. Can be NULL if @p size is zero. 537 * @param size 538 * Size of @p buf in bytes. 539 * @param[in] action 540 * Action to copy configuration from. 541 * 542 * @return 543 * Number of bytes needed to store pattern item specification regardless 544 * of @p size. @p buf contents are truncated to @p size if not large 545 * enough. 546 */ 547 static size_t 548 rte_flow_conv_action_conf(void *buf, const size_t size, 549 const struct rte_flow_action *action) 550 { 551 size_t off; 552 553 switch (action->type) { 554 union { 555 const struct rte_flow_action_rss *rss; 556 const struct rte_flow_action_vxlan_encap *vxlan_encap; 557 const struct rte_flow_action_nvgre_encap *nvgre_encap; 558 } src; 559 union { 560 struct rte_flow_action_rss *rss; 561 struct rte_flow_action_vxlan_encap *vxlan_encap; 562 struct rte_flow_action_nvgre_encap *nvgre_encap; 563 } dst; 564 size_t tmp; 565 int ret; 566 567 case RTE_FLOW_ACTION_TYPE_RSS: 568 src.rss = action->conf; 569 dst.rss = buf; 570 rte_memcpy(dst.rss, 571 (&(struct rte_flow_action_rss){ 572 .func = src.rss->func, 573 .level = src.rss->level, 574 .types = src.rss->types, 575 .key_len = src.rss->key_len, 576 .queue_num = src.rss->queue_num, 577 }), 578 size > sizeof(*dst.rss) ? sizeof(*dst.rss) : size); 579 off = sizeof(*dst.rss); 580 if (src.rss->key_len && src.rss->key) { 581 off = RTE_ALIGN_CEIL(off, sizeof(*dst.rss->key)); 582 tmp = sizeof(*src.rss->key) * src.rss->key_len; 583 if (size >= off + tmp) 584 dst.rss->key = rte_memcpy 585 ((void *)((uintptr_t)dst.rss + off), 586 src.rss->key, tmp); 587 off += tmp; 588 } 589 if (src.rss->queue_num) { 590 off = RTE_ALIGN_CEIL(off, sizeof(*dst.rss->queue)); 591 tmp = sizeof(*src.rss->queue) * src.rss->queue_num; 592 if (size >= off + tmp) 593 dst.rss->queue = rte_memcpy 594 ((void *)((uintptr_t)dst.rss + off), 595 src.rss->queue, tmp); 596 off += tmp; 597 } 598 break; 599 case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP: 600 case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP: 601 src.vxlan_encap = action->conf; 602 dst.vxlan_encap = buf; 603 RTE_BUILD_BUG_ON(sizeof(*src.vxlan_encap) != 604 sizeof(*src.nvgre_encap) || 605 offsetof(struct rte_flow_action_vxlan_encap, 606 definition) != 607 offsetof(struct rte_flow_action_nvgre_encap, 608 definition)); 609 off = sizeof(*dst.vxlan_encap); 610 if (src.vxlan_encap->definition) { 611 off = RTE_ALIGN_CEIL 612 (off, sizeof(*dst.vxlan_encap->definition)); 613 ret = rte_flow_conv 614 (RTE_FLOW_CONV_OP_PATTERN, 615 (void *)((uintptr_t)dst.vxlan_encap + off), 616 size > off ? size - off : 0, 617 src.vxlan_encap->definition, NULL); 618 if (ret < 0) 619 return 0; 620 if (size >= off + ret) 621 dst.vxlan_encap->definition = 622 (void *)((uintptr_t)dst.vxlan_encap + 623 off); 624 off += ret; 625 } 626 break; 627 default: 628 /** 629 * allow PMD private flow action 630 */ 631 off = (int)action->type >= 0 ? 632 rte_flow_desc_action[action->type].size : sizeof(void *); 633 rte_memcpy(buf, action->conf, (size > off ? off : size)); 634 break; 635 } 636 return off; 637 } 638 639 /** 640 * Copy a list of pattern items. 641 * 642 * @param[out] dst 643 * Destination buffer. Can be NULL if @p size is zero. 644 * @param size 645 * Size of @p dst in bytes. 646 * @param[in] src 647 * Source pattern items. 648 * @param num 649 * Maximum number of pattern items to process from @p src or 0 to process 650 * the entire list. In both cases, processing stops after 651 * RTE_FLOW_ITEM_TYPE_END is encountered. 652 * @param[out] error 653 * Perform verbose error reporting if not NULL. 654 * 655 * @return 656 * A positive value representing the number of bytes needed to store 657 * pattern items regardless of @p size on success (@p buf contents are 658 * truncated to @p size if not large enough), a negative errno value 659 * otherwise and rte_errno is set. 660 */ 661 static int 662 rte_flow_conv_pattern(struct rte_flow_item *dst, 663 const size_t size, 664 const struct rte_flow_item *src, 665 unsigned int num, 666 struct rte_flow_error *error) 667 { 668 uintptr_t data = (uintptr_t)dst; 669 size_t off; 670 size_t ret; 671 unsigned int i; 672 673 for (i = 0, off = 0; !num || i != num; ++i, ++src, ++dst) { 674 /** 675 * allow PMD private flow item 676 */ 677 if (((int)src->type >= 0) && 678 ((size_t)src->type >= RTE_DIM(rte_flow_desc_item) || 679 !rte_flow_desc_item[src->type].name)) 680 return rte_flow_error_set 681 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, src, 682 "cannot convert unknown item type"); 683 if (size >= off + sizeof(*dst)) 684 *dst = (struct rte_flow_item){ 685 .type = src->type, 686 }; 687 off += sizeof(*dst); 688 if (!src->type) 689 num = i + 1; 690 } 691 num = i; 692 src -= num; 693 dst -= num; 694 do { 695 if (src->spec) { 696 off = RTE_ALIGN_CEIL(off, sizeof(double)); 697 ret = rte_flow_conv_item_spec 698 ((void *)(data + off), 699 size > off ? size - off : 0, src, 700 RTE_FLOW_CONV_ITEM_SPEC); 701 if (size && size >= off + ret) 702 dst->spec = (void *)(data + off); 703 off += ret; 704 705 } 706 if (src->last) { 707 off = RTE_ALIGN_CEIL(off, sizeof(double)); 708 ret = rte_flow_conv_item_spec 709 ((void *)(data + off), 710 size > off ? size - off : 0, src, 711 RTE_FLOW_CONV_ITEM_LAST); 712 if (size && size >= off + ret) 713 dst->last = (void *)(data + off); 714 off += ret; 715 } 716 if (src->mask) { 717 off = RTE_ALIGN_CEIL(off, sizeof(double)); 718 ret = rte_flow_conv_item_spec 719 ((void *)(data + off), 720 size > off ? size - off : 0, src, 721 RTE_FLOW_CONV_ITEM_MASK); 722 if (size && size >= off + ret) 723 dst->mask = (void *)(data + off); 724 off += ret; 725 } 726 ++src; 727 ++dst; 728 } while (--num); 729 return off; 730 } 731 732 /** 733 * Copy a list of actions. 734 * 735 * @param[out] dst 736 * Destination buffer. Can be NULL if @p size is zero. 737 * @param size 738 * Size of @p dst in bytes. 739 * @param[in] src 740 * Source actions. 741 * @param num 742 * Maximum number of actions to process from @p src or 0 to process the 743 * entire list. In both cases, processing stops after 744 * RTE_FLOW_ACTION_TYPE_END is encountered. 745 * @param[out] error 746 * Perform verbose error reporting if not NULL. 747 * 748 * @return 749 * A positive value representing the number of bytes needed to store 750 * actions regardless of @p size on success (@p buf contents are truncated 751 * to @p size if not large enough), a negative errno value otherwise and 752 * rte_errno is set. 753 */ 754 static int 755 rte_flow_conv_actions(struct rte_flow_action *dst, 756 const size_t size, 757 const struct rte_flow_action *src, 758 unsigned int num, 759 struct rte_flow_error *error) 760 { 761 uintptr_t data = (uintptr_t)dst; 762 size_t off; 763 size_t ret; 764 unsigned int i; 765 766 for (i = 0, off = 0; !num || i != num; ++i, ++src, ++dst) { 767 /** 768 * allow PMD private flow action 769 */ 770 if (((int)src->type >= 0) && 771 ((size_t)src->type >= RTE_DIM(rte_flow_desc_action) || 772 !rte_flow_desc_action[src->type].name)) 773 return rte_flow_error_set 774 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION, 775 src, "cannot convert unknown action type"); 776 if (size >= off + sizeof(*dst)) 777 *dst = (struct rte_flow_action){ 778 .type = src->type, 779 }; 780 off += sizeof(*dst); 781 if (!src->type) 782 num = i + 1; 783 } 784 num = i; 785 src -= num; 786 dst -= num; 787 do { 788 if (src->conf) { 789 off = RTE_ALIGN_CEIL(off, sizeof(double)); 790 ret = rte_flow_conv_action_conf 791 ((void *)(data + off), 792 size > off ? size - off : 0, src); 793 if (size && size >= off + ret) 794 dst->conf = (void *)(data + off); 795 off += ret; 796 } 797 ++src; 798 ++dst; 799 } while (--num); 800 return off; 801 } 802 803 /** 804 * Copy flow rule components. 805 * 806 * This comprises the flow rule descriptor itself, attributes, pattern and 807 * actions list. NULL components in @p src are skipped. 808 * 809 * @param[out] dst 810 * Destination buffer. Can be NULL if @p size is zero. 811 * @param size 812 * Size of @p dst in bytes. 813 * @param[in] src 814 * Source flow rule descriptor. 815 * @param[out] error 816 * Perform verbose error reporting if not NULL. 817 * 818 * @return 819 * A positive value representing the number of bytes needed to store all 820 * components including the descriptor regardless of @p size on success 821 * (@p buf contents are truncated to @p size if not large enough), a 822 * negative errno value otherwise and rte_errno is set. 823 */ 824 static int 825 rte_flow_conv_rule(struct rte_flow_conv_rule *dst, 826 const size_t size, 827 const struct rte_flow_conv_rule *src, 828 struct rte_flow_error *error) 829 { 830 size_t off; 831 int ret; 832 833 rte_memcpy(dst, 834 (&(struct rte_flow_conv_rule){ 835 .attr = NULL, 836 .pattern = NULL, 837 .actions = NULL, 838 }), 839 size > sizeof(*dst) ? sizeof(*dst) : size); 840 off = sizeof(*dst); 841 if (src->attr_ro) { 842 off = RTE_ALIGN_CEIL(off, sizeof(double)); 843 if (size && size >= off + sizeof(*dst->attr)) 844 dst->attr = rte_memcpy 845 ((void *)((uintptr_t)dst + off), 846 src->attr_ro, sizeof(*dst->attr)); 847 off += sizeof(*dst->attr); 848 } 849 if (src->pattern_ro) { 850 off = RTE_ALIGN_CEIL(off, sizeof(double)); 851 ret = rte_flow_conv_pattern((void *)((uintptr_t)dst + off), 852 size > off ? size - off : 0, 853 src->pattern_ro, 0, error); 854 if (ret < 0) 855 return ret; 856 if (size && size >= off + (size_t)ret) 857 dst->pattern = (void *)((uintptr_t)dst + off); 858 off += ret; 859 } 860 if (src->actions_ro) { 861 off = RTE_ALIGN_CEIL(off, sizeof(double)); 862 ret = rte_flow_conv_actions((void *)((uintptr_t)dst + off), 863 size > off ? size - off : 0, 864 src->actions_ro, 0, error); 865 if (ret < 0) 866 return ret; 867 if (size >= off + (size_t)ret) 868 dst->actions = (void *)((uintptr_t)dst + off); 869 off += ret; 870 } 871 return off; 872 } 873 874 /** 875 * Retrieve the name of a pattern item/action type. 876 * 877 * @param is_action 878 * Nonzero when @p src represents an action type instead of a pattern item 879 * type. 880 * @param is_ptr 881 * Nonzero to write string address instead of contents into @p dst. 882 * @param[out] dst 883 * Destination buffer. Can be NULL if @p size is zero. 884 * @param size 885 * Size of @p dst in bytes. 886 * @param[in] src 887 * Depending on @p is_action, source pattern item or action type cast as a 888 * pointer. 889 * @param[out] error 890 * Perform verbose error reporting if not NULL. 891 * 892 * @return 893 * A positive value representing the number of bytes needed to store the 894 * name or its address regardless of @p size on success (@p buf contents 895 * are truncated to @p size if not large enough), a negative errno value 896 * otherwise and rte_errno is set. 897 */ 898 static int 899 rte_flow_conv_name(int is_action, 900 int is_ptr, 901 char *dst, 902 const size_t size, 903 const void *src, 904 struct rte_flow_error *error) 905 { 906 struct desc_info { 907 const struct rte_flow_desc_data *data; 908 size_t num; 909 }; 910 static const struct desc_info info_rep[2] = { 911 { rte_flow_desc_item, RTE_DIM(rte_flow_desc_item), }, 912 { rte_flow_desc_action, RTE_DIM(rte_flow_desc_action), }, 913 }; 914 const struct desc_info *const info = &info_rep[!!is_action]; 915 unsigned int type = (uintptr_t)src; 916 917 if (type >= info->num) 918 return rte_flow_error_set 919 (error, EINVAL, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, 920 "unknown object type to retrieve the name of"); 921 if (!is_ptr) 922 return strlcpy(dst, info->data[type].name, size); 923 if (size >= sizeof(const char **)) 924 *((const char **)dst) = info->data[type].name; 925 return sizeof(const char **); 926 } 927 928 /** Helper function to convert flow API objects. */ 929 int 930 rte_flow_conv(enum rte_flow_conv_op op, 931 void *dst, 932 size_t size, 933 const void *src, 934 struct rte_flow_error *error) 935 { 936 switch (op) { 937 const struct rte_flow_attr *attr; 938 939 case RTE_FLOW_CONV_OP_NONE: 940 return 0; 941 case RTE_FLOW_CONV_OP_ATTR: 942 attr = src; 943 if (size > sizeof(*attr)) 944 size = sizeof(*attr); 945 rte_memcpy(dst, attr, size); 946 return sizeof(*attr); 947 case RTE_FLOW_CONV_OP_ITEM: 948 return rte_flow_conv_pattern(dst, size, src, 1, error); 949 case RTE_FLOW_CONV_OP_ACTION: 950 return rte_flow_conv_actions(dst, size, src, 1, error); 951 case RTE_FLOW_CONV_OP_PATTERN: 952 return rte_flow_conv_pattern(dst, size, src, 0, error); 953 case RTE_FLOW_CONV_OP_ACTIONS: 954 return rte_flow_conv_actions(dst, size, src, 0, error); 955 case RTE_FLOW_CONV_OP_RULE: 956 return rte_flow_conv_rule(dst, size, src, error); 957 case RTE_FLOW_CONV_OP_ITEM_NAME: 958 return rte_flow_conv_name(0, 0, dst, size, src, error); 959 case RTE_FLOW_CONV_OP_ACTION_NAME: 960 return rte_flow_conv_name(1, 0, dst, size, src, error); 961 case RTE_FLOW_CONV_OP_ITEM_NAME_PTR: 962 return rte_flow_conv_name(0, 1, dst, size, src, error); 963 case RTE_FLOW_CONV_OP_ACTION_NAME_PTR: 964 return rte_flow_conv_name(1, 1, dst, size, src, error); 965 } 966 return rte_flow_error_set 967 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, 968 "unknown object conversion operation"); 969 } 970 971 /** Store a full rte_flow description. */ 972 size_t 973 rte_flow_copy(struct rte_flow_desc *desc, size_t len, 974 const struct rte_flow_attr *attr, 975 const struct rte_flow_item *items, 976 const struct rte_flow_action *actions) 977 { 978 /* 979 * Overlap struct rte_flow_conv with struct rte_flow_desc in order 980 * to convert the former to the latter without wasting space. 981 */ 982 struct rte_flow_conv_rule *dst = 983 len ? 984 (void *)((uintptr_t)desc + 985 (offsetof(struct rte_flow_desc, actions) - 986 offsetof(struct rte_flow_conv_rule, actions))) : 987 NULL; 988 size_t dst_size = 989 len > sizeof(*desc) - sizeof(*dst) ? 990 len - (sizeof(*desc) - sizeof(*dst)) : 991 0; 992 struct rte_flow_conv_rule src = { 993 .attr_ro = NULL, 994 .pattern_ro = items, 995 .actions_ro = actions, 996 }; 997 int ret; 998 999 RTE_BUILD_BUG_ON(sizeof(struct rte_flow_desc) < 1000 sizeof(struct rte_flow_conv_rule)); 1001 if (dst_size && 1002 (&dst->pattern != &desc->items || 1003 &dst->actions != &desc->actions || 1004 (uintptr_t)(dst + 1) != (uintptr_t)(desc + 1))) { 1005 rte_errno = EINVAL; 1006 return 0; 1007 } 1008 ret = rte_flow_conv(RTE_FLOW_CONV_OP_RULE, dst, dst_size, &src, NULL); 1009 if (ret < 0) 1010 return 0; 1011 ret += sizeof(*desc) - sizeof(*dst); 1012 rte_memcpy(desc, 1013 (&(struct rte_flow_desc){ 1014 .size = ret, 1015 .attr = *attr, 1016 .items = dst_size ? dst->pattern : NULL, 1017 .actions = dst_size ? dst->actions : NULL, 1018 }), 1019 len > sizeof(*desc) ? sizeof(*desc) : len); 1020 return ret; 1021 } 1022 1023 int 1024 rte_flow_dev_dump(uint16_t port_id, FILE *file, struct rte_flow_error *error) 1025 { 1026 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1027 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1028 int ret; 1029 1030 if (unlikely(!ops)) 1031 return -rte_errno; 1032 if (likely(!!ops->dev_dump)) { 1033 fts_enter(dev); 1034 ret = ops->dev_dump(dev, file, error); 1035 fts_exit(dev); 1036 return flow_err(port_id, ret, error); 1037 } 1038 return rte_flow_error_set(error, ENOSYS, 1039 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1040 NULL, rte_strerror(ENOSYS)); 1041 } 1042 1043 int 1044 rte_flow_get_aged_flows(uint16_t port_id, void **contexts, 1045 uint32_t nb_contexts, struct rte_flow_error *error) 1046 { 1047 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1048 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1049 int ret; 1050 1051 if (unlikely(!ops)) 1052 return -rte_errno; 1053 if (likely(!!ops->get_aged_flows)) { 1054 fts_enter(dev); 1055 ret = ops->get_aged_flows(dev, contexts, nb_contexts, error); 1056 fts_exit(dev); 1057 return flow_err(port_id, ret, error); 1058 } 1059 return rte_flow_error_set(error, ENOTSUP, 1060 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1061 NULL, rte_strerror(ENOTSUP)); 1062 } 1063 1064 struct rte_flow_shared_action * 1065 rte_flow_shared_action_create(uint16_t port_id, 1066 const struct rte_flow_shared_action_conf *conf, 1067 const struct rte_flow_action *action, 1068 struct rte_flow_error *error) 1069 { 1070 struct rte_flow_shared_action *shared_action; 1071 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1072 1073 if (unlikely(!ops)) 1074 return NULL; 1075 if (unlikely(!ops->shared_action_create)) { 1076 rte_flow_error_set(error, ENOSYS, 1077 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, 1078 rte_strerror(ENOSYS)); 1079 return NULL; 1080 } 1081 shared_action = ops->shared_action_create(&rte_eth_devices[port_id], 1082 conf, action, error); 1083 if (shared_action == NULL) 1084 flow_err(port_id, -rte_errno, error); 1085 return shared_action; 1086 } 1087 1088 int 1089 rte_flow_shared_action_destroy(uint16_t port_id, 1090 struct rte_flow_shared_action *action, 1091 struct rte_flow_error *error) 1092 { 1093 int ret; 1094 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1095 1096 if (unlikely(!ops)) 1097 return -rte_errno; 1098 if (unlikely(!ops->shared_action_destroy)) 1099 return rte_flow_error_set(error, ENOSYS, 1100 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1101 NULL, rte_strerror(ENOSYS)); 1102 ret = ops->shared_action_destroy(&rte_eth_devices[port_id], action, 1103 error); 1104 return flow_err(port_id, ret, error); 1105 } 1106 1107 int 1108 rte_flow_shared_action_update(uint16_t port_id, 1109 struct rte_flow_shared_action *action, 1110 const struct rte_flow_action *update, 1111 struct rte_flow_error *error) 1112 { 1113 int ret; 1114 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1115 1116 if (unlikely(!ops)) 1117 return -rte_errno; 1118 if (unlikely(!ops->shared_action_update)) 1119 return rte_flow_error_set(error, ENOSYS, 1120 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1121 NULL, rte_strerror(ENOSYS)); 1122 ret = ops->shared_action_update(&rte_eth_devices[port_id], action, 1123 update, error); 1124 return flow_err(port_id, ret, error); 1125 } 1126 1127 int 1128 rte_flow_shared_action_query(uint16_t port_id, 1129 const struct rte_flow_shared_action *action, 1130 void *data, 1131 struct rte_flow_error *error) 1132 { 1133 int ret; 1134 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1135 1136 if (unlikely(!ops)) 1137 return -rte_errno; 1138 if (unlikely(!ops->shared_action_query)) 1139 return rte_flow_error_set(error, ENOSYS, 1140 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1141 NULL, rte_strerror(ENOSYS)); 1142 ret = ops->shared_action_query(&rte_eth_devices[port_id], action, 1143 data, error); 1144 return flow_err(port_id, ret, error); 1145 } 1146 1147 int 1148 rte_flow_tunnel_decap_set(uint16_t port_id, 1149 struct rte_flow_tunnel *tunnel, 1150 struct rte_flow_action **actions, 1151 uint32_t *num_of_actions, 1152 struct rte_flow_error *error) 1153 { 1154 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1155 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1156 1157 if (unlikely(!ops)) 1158 return -rte_errno; 1159 if (likely(!!ops->tunnel_decap_set)) { 1160 return flow_err(port_id, 1161 ops->tunnel_decap_set(dev, tunnel, actions, 1162 num_of_actions, error), 1163 error); 1164 } 1165 return rte_flow_error_set(error, ENOTSUP, 1166 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1167 NULL, rte_strerror(ENOTSUP)); 1168 } 1169 1170 int 1171 rte_flow_tunnel_match(uint16_t port_id, 1172 struct rte_flow_tunnel *tunnel, 1173 struct rte_flow_item **items, 1174 uint32_t *num_of_items, 1175 struct rte_flow_error *error) 1176 { 1177 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1178 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1179 1180 if (unlikely(!ops)) 1181 return -rte_errno; 1182 if (likely(!!ops->tunnel_match)) { 1183 return flow_err(port_id, 1184 ops->tunnel_match(dev, tunnel, items, 1185 num_of_items, error), 1186 error); 1187 } 1188 return rte_flow_error_set(error, ENOTSUP, 1189 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1190 NULL, rte_strerror(ENOTSUP)); 1191 } 1192 1193 int 1194 rte_flow_get_restore_info(uint16_t port_id, 1195 struct rte_mbuf *m, 1196 struct rte_flow_restore_info *restore_info, 1197 struct rte_flow_error *error) 1198 { 1199 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1200 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1201 1202 if (unlikely(!ops)) 1203 return -rte_errno; 1204 if (likely(!!ops->get_restore_info)) { 1205 return flow_err(port_id, 1206 ops->get_restore_info(dev, m, restore_info, 1207 error), 1208 error); 1209 } 1210 return rte_flow_error_set(error, ENOTSUP, 1211 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1212 NULL, rte_strerror(ENOTSUP)); 1213 } 1214 1215 int 1216 rte_flow_tunnel_action_decap_release(uint16_t port_id, 1217 struct rte_flow_action *actions, 1218 uint32_t num_of_actions, 1219 struct rte_flow_error *error) 1220 { 1221 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1222 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1223 1224 if (unlikely(!ops)) 1225 return -rte_errno; 1226 if (likely(!!ops->tunnel_action_decap_release)) { 1227 return flow_err(port_id, 1228 ops->tunnel_action_decap_release(dev, actions, 1229 num_of_actions, 1230 error), 1231 error); 1232 } 1233 return rte_flow_error_set(error, ENOTSUP, 1234 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1235 NULL, rte_strerror(ENOTSUP)); 1236 } 1237 1238 int 1239 rte_flow_tunnel_item_release(uint16_t port_id, 1240 struct rte_flow_item *items, 1241 uint32_t num_of_items, 1242 struct rte_flow_error *error) 1243 { 1244 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1245 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1246 1247 if (unlikely(!ops)) 1248 return -rte_errno; 1249 if (likely(!!ops->tunnel_item_release)) { 1250 return flow_err(port_id, 1251 ops->tunnel_item_release(dev, items, 1252 num_of_items, error), 1253 error); 1254 } 1255 return rte_flow_error_set(error, ENOTSUP, 1256 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1257 NULL, rte_strerror(ENOTSUP)); 1258 } 1259