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 MK_FLOW_ITEM(GENEVE_OPT, sizeof(struct rte_flow_item_geneve_opt)), 101 MK_FLOW_ITEM(CONNTRACK, sizeof(uint32_t)), 102 }; 103 104 /** Generate flow_action[] entry. */ 105 #define MK_FLOW_ACTION(t, s) \ 106 [RTE_FLOW_ACTION_TYPE_ ## t] = { \ 107 .name = # t, \ 108 .size = s, \ 109 } 110 111 /** Information about known flow actions. */ 112 static const struct rte_flow_desc_data rte_flow_desc_action[] = { 113 MK_FLOW_ACTION(END, 0), 114 MK_FLOW_ACTION(VOID, 0), 115 MK_FLOW_ACTION(PASSTHRU, 0), 116 MK_FLOW_ACTION(JUMP, sizeof(struct rte_flow_action_jump)), 117 MK_FLOW_ACTION(MARK, sizeof(struct rte_flow_action_mark)), 118 MK_FLOW_ACTION(FLAG, 0), 119 MK_FLOW_ACTION(QUEUE, sizeof(struct rte_flow_action_queue)), 120 MK_FLOW_ACTION(DROP, 0), 121 MK_FLOW_ACTION(COUNT, sizeof(struct rte_flow_action_count)), 122 MK_FLOW_ACTION(RSS, sizeof(struct rte_flow_action_rss)), 123 MK_FLOW_ACTION(PF, 0), 124 MK_FLOW_ACTION(VF, sizeof(struct rte_flow_action_vf)), 125 MK_FLOW_ACTION(PHY_PORT, sizeof(struct rte_flow_action_phy_port)), 126 MK_FLOW_ACTION(PORT_ID, sizeof(struct rte_flow_action_port_id)), 127 MK_FLOW_ACTION(METER, sizeof(struct rte_flow_action_meter)), 128 MK_FLOW_ACTION(SECURITY, sizeof(struct rte_flow_action_security)), 129 MK_FLOW_ACTION(OF_SET_MPLS_TTL, 130 sizeof(struct rte_flow_action_of_set_mpls_ttl)), 131 MK_FLOW_ACTION(OF_DEC_MPLS_TTL, 0), 132 MK_FLOW_ACTION(OF_SET_NW_TTL, 133 sizeof(struct rte_flow_action_of_set_nw_ttl)), 134 MK_FLOW_ACTION(OF_DEC_NW_TTL, 0), 135 MK_FLOW_ACTION(OF_COPY_TTL_OUT, 0), 136 MK_FLOW_ACTION(OF_COPY_TTL_IN, 0), 137 MK_FLOW_ACTION(OF_POP_VLAN, 0), 138 MK_FLOW_ACTION(OF_PUSH_VLAN, 139 sizeof(struct rte_flow_action_of_push_vlan)), 140 MK_FLOW_ACTION(OF_SET_VLAN_VID, 141 sizeof(struct rte_flow_action_of_set_vlan_vid)), 142 MK_FLOW_ACTION(OF_SET_VLAN_PCP, 143 sizeof(struct rte_flow_action_of_set_vlan_pcp)), 144 MK_FLOW_ACTION(OF_POP_MPLS, 145 sizeof(struct rte_flow_action_of_pop_mpls)), 146 MK_FLOW_ACTION(OF_PUSH_MPLS, 147 sizeof(struct rte_flow_action_of_push_mpls)), 148 MK_FLOW_ACTION(VXLAN_ENCAP, sizeof(struct rte_flow_action_vxlan_encap)), 149 MK_FLOW_ACTION(VXLAN_DECAP, 0), 150 MK_FLOW_ACTION(NVGRE_ENCAP, sizeof(struct rte_flow_action_vxlan_encap)), 151 MK_FLOW_ACTION(NVGRE_DECAP, 0), 152 MK_FLOW_ACTION(RAW_ENCAP, sizeof(struct rte_flow_action_raw_encap)), 153 MK_FLOW_ACTION(RAW_DECAP, sizeof(struct rte_flow_action_raw_decap)), 154 MK_FLOW_ACTION(SET_IPV4_SRC, 155 sizeof(struct rte_flow_action_set_ipv4)), 156 MK_FLOW_ACTION(SET_IPV4_DST, 157 sizeof(struct rte_flow_action_set_ipv4)), 158 MK_FLOW_ACTION(SET_IPV6_SRC, 159 sizeof(struct rte_flow_action_set_ipv6)), 160 MK_FLOW_ACTION(SET_IPV6_DST, 161 sizeof(struct rte_flow_action_set_ipv6)), 162 MK_FLOW_ACTION(SET_TP_SRC, 163 sizeof(struct rte_flow_action_set_tp)), 164 MK_FLOW_ACTION(SET_TP_DST, 165 sizeof(struct rte_flow_action_set_tp)), 166 MK_FLOW_ACTION(MAC_SWAP, 0), 167 MK_FLOW_ACTION(DEC_TTL, 0), 168 MK_FLOW_ACTION(SET_TTL, sizeof(struct rte_flow_action_set_ttl)), 169 MK_FLOW_ACTION(SET_MAC_SRC, sizeof(struct rte_flow_action_set_mac)), 170 MK_FLOW_ACTION(SET_MAC_DST, sizeof(struct rte_flow_action_set_mac)), 171 MK_FLOW_ACTION(INC_TCP_SEQ, sizeof(rte_be32_t)), 172 MK_FLOW_ACTION(DEC_TCP_SEQ, sizeof(rte_be32_t)), 173 MK_FLOW_ACTION(INC_TCP_ACK, sizeof(rte_be32_t)), 174 MK_FLOW_ACTION(DEC_TCP_ACK, sizeof(rte_be32_t)), 175 MK_FLOW_ACTION(SET_TAG, sizeof(struct rte_flow_action_set_tag)), 176 MK_FLOW_ACTION(SET_META, sizeof(struct rte_flow_action_set_meta)), 177 MK_FLOW_ACTION(SET_IPV4_DSCP, sizeof(struct rte_flow_action_set_dscp)), 178 MK_FLOW_ACTION(SET_IPV6_DSCP, sizeof(struct rte_flow_action_set_dscp)), 179 MK_FLOW_ACTION(AGE, sizeof(struct rte_flow_action_age)), 180 MK_FLOW_ACTION(SAMPLE, sizeof(struct rte_flow_action_sample)), 181 MK_FLOW_ACTION(MODIFY_FIELD, 182 sizeof(struct rte_flow_action_modify_field)), 183 /** 184 * Indirect action represented as handle of type 185 * (struct rte_flow_action_handle *) stored in conf field (see 186 * struct rte_flow_action); no need for additional structure to * store 187 * indirect action handle. 188 */ 189 MK_FLOW_ACTION(INDIRECT, 0), 190 MK_FLOW_ACTION(CONNTRACK, sizeof(struct rte_flow_action_conntrack)), 191 }; 192 193 int 194 rte_flow_dynf_metadata_register(void) 195 { 196 int offset; 197 int flag; 198 199 static const struct rte_mbuf_dynfield desc_offs = { 200 .name = RTE_MBUF_DYNFIELD_METADATA_NAME, 201 .size = sizeof(uint32_t), 202 .align = __alignof__(uint32_t), 203 }; 204 static const struct rte_mbuf_dynflag desc_flag = { 205 .name = RTE_MBUF_DYNFLAG_METADATA_NAME, 206 }; 207 208 offset = rte_mbuf_dynfield_register(&desc_offs); 209 if (offset < 0) 210 goto error; 211 flag = rte_mbuf_dynflag_register(&desc_flag); 212 if (flag < 0) 213 goto error; 214 rte_flow_dynf_metadata_offs = offset; 215 rte_flow_dynf_metadata_mask = (1ULL << flag); 216 return 0; 217 218 error: 219 rte_flow_dynf_metadata_offs = -1; 220 rte_flow_dynf_metadata_mask = 0ULL; 221 return -rte_errno; 222 } 223 224 static inline void 225 fts_enter(struct rte_eth_dev *dev) 226 { 227 if (!(dev->data->dev_flags & RTE_ETH_DEV_FLOW_OPS_THREAD_SAFE)) 228 pthread_mutex_lock(&dev->data->flow_ops_mutex); 229 } 230 231 static inline void 232 fts_exit(struct rte_eth_dev *dev) 233 { 234 if (!(dev->data->dev_flags & RTE_ETH_DEV_FLOW_OPS_THREAD_SAFE)) 235 pthread_mutex_unlock(&dev->data->flow_ops_mutex); 236 } 237 238 static int 239 flow_err(uint16_t port_id, int ret, struct rte_flow_error *error) 240 { 241 if (ret == 0) 242 return 0; 243 if (rte_eth_dev_is_removed(port_id)) 244 return rte_flow_error_set(error, EIO, 245 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 246 NULL, rte_strerror(EIO)); 247 return ret; 248 } 249 250 /* Get generic flow operations structure from a port. */ 251 const struct rte_flow_ops * 252 rte_flow_ops_get(uint16_t port_id, struct rte_flow_error *error) 253 { 254 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 255 const struct rte_flow_ops *ops; 256 int code; 257 258 if (unlikely(!rte_eth_dev_is_valid_port(port_id))) 259 code = ENODEV; 260 else if (unlikely(dev->dev_ops->flow_ops_get == NULL)) 261 /* flow API not supported with this driver dev_ops */ 262 code = ENOSYS; 263 else 264 code = dev->dev_ops->flow_ops_get(dev, &ops); 265 if (code == 0 && ops == NULL) 266 /* flow API not supported with this device */ 267 code = ENOSYS; 268 269 if (code != 0) { 270 rte_flow_error_set(error, code, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 271 NULL, rte_strerror(code)); 272 return NULL; 273 } 274 return ops; 275 } 276 277 /* Check whether a flow rule can be created on a given port. */ 278 int 279 rte_flow_validate(uint16_t port_id, 280 const struct rte_flow_attr *attr, 281 const struct rte_flow_item pattern[], 282 const struct rte_flow_action actions[], 283 struct rte_flow_error *error) 284 { 285 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 286 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 287 int ret; 288 289 if (unlikely(!ops)) 290 return -rte_errno; 291 if (likely(!!ops->validate)) { 292 fts_enter(dev); 293 ret = ops->validate(dev, attr, pattern, actions, error); 294 fts_exit(dev); 295 return flow_err(port_id, ret, error); 296 } 297 return rte_flow_error_set(error, ENOSYS, 298 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 299 NULL, rte_strerror(ENOSYS)); 300 } 301 302 /* Create a flow rule on a given port. */ 303 struct rte_flow * 304 rte_flow_create(uint16_t port_id, 305 const struct rte_flow_attr *attr, 306 const struct rte_flow_item pattern[], 307 const struct rte_flow_action actions[], 308 struct rte_flow_error *error) 309 { 310 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 311 struct rte_flow *flow; 312 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 313 314 if (unlikely(!ops)) 315 return NULL; 316 if (likely(!!ops->create)) { 317 fts_enter(dev); 318 flow = ops->create(dev, attr, pattern, actions, error); 319 fts_exit(dev); 320 if (flow == NULL) 321 flow_err(port_id, -rte_errno, error); 322 return flow; 323 } 324 rte_flow_error_set(error, ENOSYS, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 325 NULL, rte_strerror(ENOSYS)); 326 return NULL; 327 } 328 329 /* Destroy a flow rule on a given port. */ 330 int 331 rte_flow_destroy(uint16_t port_id, 332 struct rte_flow *flow, 333 struct rte_flow_error *error) 334 { 335 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 336 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 337 int ret; 338 339 if (unlikely(!ops)) 340 return -rte_errno; 341 if (likely(!!ops->destroy)) { 342 fts_enter(dev); 343 ret = ops->destroy(dev, flow, error); 344 fts_exit(dev); 345 return flow_err(port_id, ret, error); 346 } 347 return rte_flow_error_set(error, ENOSYS, 348 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 349 NULL, rte_strerror(ENOSYS)); 350 } 351 352 /* Destroy all flow rules associated with a port. */ 353 int 354 rte_flow_flush(uint16_t port_id, 355 struct rte_flow_error *error) 356 { 357 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 358 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 359 int ret; 360 361 if (unlikely(!ops)) 362 return -rte_errno; 363 if (likely(!!ops->flush)) { 364 fts_enter(dev); 365 ret = ops->flush(dev, error); 366 fts_exit(dev); 367 return flow_err(port_id, ret, error); 368 } 369 return rte_flow_error_set(error, ENOSYS, 370 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 371 NULL, rte_strerror(ENOSYS)); 372 } 373 374 /* Query an existing flow rule. */ 375 int 376 rte_flow_query(uint16_t port_id, 377 struct rte_flow *flow, 378 const struct rte_flow_action *action, 379 void *data, 380 struct rte_flow_error *error) 381 { 382 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 383 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 384 int ret; 385 386 if (!ops) 387 return -rte_errno; 388 if (likely(!!ops->query)) { 389 fts_enter(dev); 390 ret = ops->query(dev, flow, action, data, error); 391 fts_exit(dev); 392 return flow_err(port_id, ret, error); 393 } 394 return rte_flow_error_set(error, ENOSYS, 395 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 396 NULL, rte_strerror(ENOSYS)); 397 } 398 399 /* Restrict ingress traffic to the defined flow rules. */ 400 int 401 rte_flow_isolate(uint16_t port_id, 402 int set, 403 struct rte_flow_error *error) 404 { 405 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 406 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 407 int ret; 408 409 if (!ops) 410 return -rte_errno; 411 if (likely(!!ops->isolate)) { 412 fts_enter(dev); 413 ret = ops->isolate(dev, set, error); 414 fts_exit(dev); 415 return flow_err(port_id, ret, error); 416 } 417 return rte_flow_error_set(error, ENOSYS, 418 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 419 NULL, rte_strerror(ENOSYS)); 420 } 421 422 /* Initialize flow error structure. */ 423 int 424 rte_flow_error_set(struct rte_flow_error *error, 425 int code, 426 enum rte_flow_error_type type, 427 const void *cause, 428 const char *message) 429 { 430 if (error) { 431 *error = (struct rte_flow_error){ 432 .type = type, 433 .cause = cause, 434 .message = message, 435 }; 436 } 437 rte_errno = code; 438 return -code; 439 } 440 441 /** Pattern item specification types. */ 442 enum rte_flow_conv_item_spec_type { 443 RTE_FLOW_CONV_ITEM_SPEC, 444 RTE_FLOW_CONV_ITEM_LAST, 445 RTE_FLOW_CONV_ITEM_MASK, 446 }; 447 448 /** 449 * Copy pattern item specification. 450 * 451 * @param[out] buf 452 * Output buffer. Can be NULL if @p size is zero. 453 * @param size 454 * Size of @p buf in bytes. 455 * @param[in] item 456 * Pattern item to copy specification from. 457 * @param type 458 * Specification selector for either @p spec, @p last or @p mask. 459 * 460 * @return 461 * Number of bytes needed to store pattern item specification regardless 462 * of @p size. @p buf contents are truncated to @p size if not large 463 * enough. 464 */ 465 static size_t 466 rte_flow_conv_item_spec(void *buf, const size_t size, 467 const struct rte_flow_item *item, 468 enum rte_flow_conv_item_spec_type type) 469 { 470 size_t off; 471 const void *data = 472 type == RTE_FLOW_CONV_ITEM_SPEC ? item->spec : 473 type == RTE_FLOW_CONV_ITEM_LAST ? item->last : 474 type == RTE_FLOW_CONV_ITEM_MASK ? item->mask : 475 NULL; 476 477 switch (item->type) { 478 union { 479 const struct rte_flow_item_raw *raw; 480 } spec; 481 union { 482 const struct rte_flow_item_raw *raw; 483 } last; 484 union { 485 const struct rte_flow_item_raw *raw; 486 } mask; 487 union { 488 const struct rte_flow_item_raw *raw; 489 } src; 490 union { 491 struct rte_flow_item_raw *raw; 492 } dst; 493 size_t tmp; 494 495 case RTE_FLOW_ITEM_TYPE_RAW: 496 spec.raw = item->spec; 497 last.raw = item->last ? item->last : item->spec; 498 mask.raw = item->mask ? item->mask : &rte_flow_item_raw_mask; 499 src.raw = data; 500 dst.raw = buf; 501 rte_memcpy(dst.raw, 502 (&(struct rte_flow_item_raw){ 503 .relative = src.raw->relative, 504 .search = src.raw->search, 505 .reserved = src.raw->reserved, 506 .offset = src.raw->offset, 507 .limit = src.raw->limit, 508 .length = src.raw->length, 509 }), 510 size > sizeof(*dst.raw) ? sizeof(*dst.raw) : size); 511 off = sizeof(*dst.raw); 512 if (type == RTE_FLOW_CONV_ITEM_SPEC || 513 (type == RTE_FLOW_CONV_ITEM_MASK && 514 ((spec.raw->length & mask.raw->length) >= 515 (last.raw->length & mask.raw->length)))) 516 tmp = spec.raw->length & mask.raw->length; 517 else 518 tmp = last.raw->length & mask.raw->length; 519 if (tmp) { 520 off = RTE_ALIGN_CEIL(off, sizeof(*dst.raw->pattern)); 521 if (size >= off + tmp) 522 dst.raw->pattern = rte_memcpy 523 ((void *)((uintptr_t)dst.raw + off), 524 src.raw->pattern, tmp); 525 off += tmp; 526 } 527 break; 528 default: 529 /** 530 * allow PMD private flow item 531 */ 532 off = (int)item->type >= 0 ? 533 rte_flow_desc_item[item->type].size : sizeof(void *); 534 rte_memcpy(buf, data, (size > off ? off : size)); 535 break; 536 } 537 return off; 538 } 539 540 /** 541 * Copy action configuration. 542 * 543 * @param[out] buf 544 * Output buffer. Can be NULL if @p size is zero. 545 * @param size 546 * Size of @p buf in bytes. 547 * @param[in] action 548 * Action to copy configuration from. 549 * 550 * @return 551 * Number of bytes needed to store pattern item specification regardless 552 * of @p size. @p buf contents are truncated to @p size if not large 553 * enough. 554 */ 555 static size_t 556 rte_flow_conv_action_conf(void *buf, const size_t size, 557 const struct rte_flow_action *action) 558 { 559 size_t off; 560 561 switch (action->type) { 562 union { 563 const struct rte_flow_action_rss *rss; 564 const struct rte_flow_action_vxlan_encap *vxlan_encap; 565 const struct rte_flow_action_nvgre_encap *nvgre_encap; 566 } src; 567 union { 568 struct rte_flow_action_rss *rss; 569 struct rte_flow_action_vxlan_encap *vxlan_encap; 570 struct rte_flow_action_nvgre_encap *nvgre_encap; 571 } dst; 572 size_t tmp; 573 int ret; 574 575 case RTE_FLOW_ACTION_TYPE_RSS: 576 src.rss = action->conf; 577 dst.rss = buf; 578 rte_memcpy(dst.rss, 579 (&(struct rte_flow_action_rss){ 580 .func = src.rss->func, 581 .level = src.rss->level, 582 .types = src.rss->types, 583 .key_len = src.rss->key_len, 584 .queue_num = src.rss->queue_num, 585 }), 586 size > sizeof(*dst.rss) ? sizeof(*dst.rss) : size); 587 off = sizeof(*dst.rss); 588 if (src.rss->key_len && src.rss->key) { 589 off = RTE_ALIGN_CEIL(off, sizeof(*dst.rss->key)); 590 tmp = sizeof(*src.rss->key) * src.rss->key_len; 591 if (size >= off + tmp) 592 dst.rss->key = rte_memcpy 593 ((void *)((uintptr_t)dst.rss + off), 594 src.rss->key, tmp); 595 off += tmp; 596 } 597 if (src.rss->queue_num) { 598 off = RTE_ALIGN_CEIL(off, sizeof(*dst.rss->queue)); 599 tmp = sizeof(*src.rss->queue) * src.rss->queue_num; 600 if (size >= off + tmp) 601 dst.rss->queue = rte_memcpy 602 ((void *)((uintptr_t)dst.rss + off), 603 src.rss->queue, tmp); 604 off += tmp; 605 } 606 break; 607 case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP: 608 case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP: 609 src.vxlan_encap = action->conf; 610 dst.vxlan_encap = buf; 611 RTE_BUILD_BUG_ON(sizeof(*src.vxlan_encap) != 612 sizeof(*src.nvgre_encap) || 613 offsetof(struct rte_flow_action_vxlan_encap, 614 definition) != 615 offsetof(struct rte_flow_action_nvgre_encap, 616 definition)); 617 off = sizeof(*dst.vxlan_encap); 618 if (src.vxlan_encap->definition) { 619 off = RTE_ALIGN_CEIL 620 (off, sizeof(*dst.vxlan_encap->definition)); 621 ret = rte_flow_conv 622 (RTE_FLOW_CONV_OP_PATTERN, 623 (void *)((uintptr_t)dst.vxlan_encap + off), 624 size > off ? size - off : 0, 625 src.vxlan_encap->definition, NULL); 626 if (ret < 0) 627 return 0; 628 if (size >= off + ret) 629 dst.vxlan_encap->definition = 630 (void *)((uintptr_t)dst.vxlan_encap + 631 off); 632 off += ret; 633 } 634 break; 635 default: 636 /** 637 * allow PMD private flow action 638 */ 639 off = (int)action->type >= 0 ? 640 rte_flow_desc_action[action->type].size : sizeof(void *); 641 rte_memcpy(buf, action->conf, (size > off ? off : size)); 642 break; 643 } 644 return off; 645 } 646 647 /** 648 * Copy a list of pattern items. 649 * 650 * @param[out] dst 651 * Destination buffer. Can be NULL if @p size is zero. 652 * @param size 653 * Size of @p dst in bytes. 654 * @param[in] src 655 * Source pattern items. 656 * @param num 657 * Maximum number of pattern items to process from @p src or 0 to process 658 * the entire list. In both cases, processing stops after 659 * RTE_FLOW_ITEM_TYPE_END is encountered. 660 * @param[out] error 661 * Perform verbose error reporting if not NULL. 662 * 663 * @return 664 * A positive value representing the number of bytes needed to store 665 * pattern items regardless of @p size on success (@p buf contents are 666 * truncated to @p size if not large enough), a negative errno value 667 * otherwise and rte_errno is set. 668 */ 669 static int 670 rte_flow_conv_pattern(struct rte_flow_item *dst, 671 const size_t size, 672 const struct rte_flow_item *src, 673 unsigned int num, 674 struct rte_flow_error *error) 675 { 676 uintptr_t data = (uintptr_t)dst; 677 size_t off; 678 size_t ret; 679 unsigned int i; 680 681 for (i = 0, off = 0; !num || i != num; ++i, ++src, ++dst) { 682 /** 683 * allow PMD private flow item 684 */ 685 if (((int)src->type >= 0) && 686 ((size_t)src->type >= RTE_DIM(rte_flow_desc_item) || 687 !rte_flow_desc_item[src->type].name)) 688 return rte_flow_error_set 689 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, src, 690 "cannot convert unknown item type"); 691 if (size >= off + sizeof(*dst)) 692 *dst = (struct rte_flow_item){ 693 .type = src->type, 694 }; 695 off += sizeof(*dst); 696 if (!src->type) 697 num = i + 1; 698 } 699 num = i; 700 src -= num; 701 dst -= num; 702 do { 703 if (src->spec) { 704 off = RTE_ALIGN_CEIL(off, sizeof(double)); 705 ret = rte_flow_conv_item_spec 706 ((void *)(data + off), 707 size > off ? size - off : 0, src, 708 RTE_FLOW_CONV_ITEM_SPEC); 709 if (size && size >= off + ret) 710 dst->spec = (void *)(data + off); 711 off += ret; 712 713 } 714 if (src->last) { 715 off = RTE_ALIGN_CEIL(off, sizeof(double)); 716 ret = rte_flow_conv_item_spec 717 ((void *)(data + off), 718 size > off ? size - off : 0, src, 719 RTE_FLOW_CONV_ITEM_LAST); 720 if (size && size >= off + ret) 721 dst->last = (void *)(data + off); 722 off += ret; 723 } 724 if (src->mask) { 725 off = RTE_ALIGN_CEIL(off, sizeof(double)); 726 ret = rte_flow_conv_item_spec 727 ((void *)(data + off), 728 size > off ? size - off : 0, src, 729 RTE_FLOW_CONV_ITEM_MASK); 730 if (size && size >= off + ret) 731 dst->mask = (void *)(data + off); 732 off += ret; 733 } 734 ++src; 735 ++dst; 736 } while (--num); 737 return off; 738 } 739 740 /** 741 * Copy a list of actions. 742 * 743 * @param[out] dst 744 * Destination buffer. Can be NULL if @p size is zero. 745 * @param size 746 * Size of @p dst in bytes. 747 * @param[in] src 748 * Source actions. 749 * @param num 750 * Maximum number of actions to process from @p src or 0 to process the 751 * entire list. In both cases, processing stops after 752 * RTE_FLOW_ACTION_TYPE_END is encountered. 753 * @param[out] error 754 * Perform verbose error reporting if not NULL. 755 * 756 * @return 757 * A positive value representing the number of bytes needed to store 758 * actions regardless of @p size on success (@p buf contents are truncated 759 * to @p size if not large enough), a negative errno value otherwise and 760 * rte_errno is set. 761 */ 762 static int 763 rte_flow_conv_actions(struct rte_flow_action *dst, 764 const size_t size, 765 const struct rte_flow_action *src, 766 unsigned int num, 767 struct rte_flow_error *error) 768 { 769 uintptr_t data = (uintptr_t)dst; 770 size_t off; 771 size_t ret; 772 unsigned int i; 773 774 for (i = 0, off = 0; !num || i != num; ++i, ++src, ++dst) { 775 /** 776 * allow PMD private flow action 777 */ 778 if (((int)src->type >= 0) && 779 ((size_t)src->type >= RTE_DIM(rte_flow_desc_action) || 780 !rte_flow_desc_action[src->type].name)) 781 return rte_flow_error_set 782 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION, 783 src, "cannot convert unknown action type"); 784 if (size >= off + sizeof(*dst)) 785 *dst = (struct rte_flow_action){ 786 .type = src->type, 787 }; 788 off += sizeof(*dst); 789 if (!src->type) 790 num = i + 1; 791 } 792 num = i; 793 src -= num; 794 dst -= num; 795 do { 796 if (src->conf) { 797 off = RTE_ALIGN_CEIL(off, sizeof(double)); 798 ret = rte_flow_conv_action_conf 799 ((void *)(data + off), 800 size > off ? size - off : 0, src); 801 if (size && size >= off + ret) 802 dst->conf = (void *)(data + off); 803 off += ret; 804 } 805 ++src; 806 ++dst; 807 } while (--num); 808 return off; 809 } 810 811 /** 812 * Copy flow rule components. 813 * 814 * This comprises the flow rule descriptor itself, attributes, pattern and 815 * actions list. NULL components in @p src are skipped. 816 * 817 * @param[out] dst 818 * Destination buffer. Can be NULL if @p size is zero. 819 * @param size 820 * Size of @p dst in bytes. 821 * @param[in] src 822 * Source flow rule descriptor. 823 * @param[out] error 824 * Perform verbose error reporting if not NULL. 825 * 826 * @return 827 * A positive value representing the number of bytes needed to store all 828 * components including the descriptor regardless of @p size on success 829 * (@p buf contents are truncated to @p size if not large enough), a 830 * negative errno value otherwise and rte_errno is set. 831 */ 832 static int 833 rte_flow_conv_rule(struct rte_flow_conv_rule *dst, 834 const size_t size, 835 const struct rte_flow_conv_rule *src, 836 struct rte_flow_error *error) 837 { 838 size_t off; 839 int ret; 840 841 rte_memcpy(dst, 842 (&(struct rte_flow_conv_rule){ 843 .attr = NULL, 844 .pattern = NULL, 845 .actions = NULL, 846 }), 847 size > sizeof(*dst) ? sizeof(*dst) : size); 848 off = sizeof(*dst); 849 if (src->attr_ro) { 850 off = RTE_ALIGN_CEIL(off, sizeof(double)); 851 if (size && size >= off + sizeof(*dst->attr)) 852 dst->attr = rte_memcpy 853 ((void *)((uintptr_t)dst + off), 854 src->attr_ro, sizeof(*dst->attr)); 855 off += sizeof(*dst->attr); 856 } 857 if (src->pattern_ro) { 858 off = RTE_ALIGN_CEIL(off, sizeof(double)); 859 ret = rte_flow_conv_pattern((void *)((uintptr_t)dst + off), 860 size > off ? size - off : 0, 861 src->pattern_ro, 0, error); 862 if (ret < 0) 863 return ret; 864 if (size && size >= off + (size_t)ret) 865 dst->pattern = (void *)((uintptr_t)dst + off); 866 off += ret; 867 } 868 if (src->actions_ro) { 869 off = RTE_ALIGN_CEIL(off, sizeof(double)); 870 ret = rte_flow_conv_actions((void *)((uintptr_t)dst + off), 871 size > off ? size - off : 0, 872 src->actions_ro, 0, error); 873 if (ret < 0) 874 return ret; 875 if (size >= off + (size_t)ret) 876 dst->actions = (void *)((uintptr_t)dst + off); 877 off += ret; 878 } 879 return off; 880 } 881 882 /** 883 * Retrieve the name of a pattern item/action type. 884 * 885 * @param is_action 886 * Nonzero when @p src represents an action type instead of a pattern item 887 * type. 888 * @param is_ptr 889 * Nonzero to write string address instead of contents into @p dst. 890 * @param[out] dst 891 * Destination buffer. Can be NULL if @p size is zero. 892 * @param size 893 * Size of @p dst in bytes. 894 * @param[in] src 895 * Depending on @p is_action, source pattern item or action type cast as a 896 * pointer. 897 * @param[out] error 898 * Perform verbose error reporting if not NULL. 899 * 900 * @return 901 * A positive value representing the number of bytes needed to store the 902 * name or its address regardless of @p size on success (@p buf contents 903 * are truncated to @p size if not large enough), a negative errno value 904 * otherwise and rte_errno is set. 905 */ 906 static int 907 rte_flow_conv_name(int is_action, 908 int is_ptr, 909 char *dst, 910 const size_t size, 911 const void *src, 912 struct rte_flow_error *error) 913 { 914 struct desc_info { 915 const struct rte_flow_desc_data *data; 916 size_t num; 917 }; 918 static const struct desc_info info_rep[2] = { 919 { rte_flow_desc_item, RTE_DIM(rte_flow_desc_item), }, 920 { rte_flow_desc_action, RTE_DIM(rte_flow_desc_action), }, 921 }; 922 const struct desc_info *const info = &info_rep[!!is_action]; 923 unsigned int type = (uintptr_t)src; 924 925 if (type >= info->num) 926 return rte_flow_error_set 927 (error, EINVAL, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, 928 "unknown object type to retrieve the name of"); 929 if (!is_ptr) 930 return strlcpy(dst, info->data[type].name, size); 931 if (size >= sizeof(const char **)) 932 *((const char **)dst) = info->data[type].name; 933 return sizeof(const char **); 934 } 935 936 /** Helper function to convert flow API objects. */ 937 int 938 rte_flow_conv(enum rte_flow_conv_op op, 939 void *dst, 940 size_t size, 941 const void *src, 942 struct rte_flow_error *error) 943 { 944 switch (op) { 945 const struct rte_flow_attr *attr; 946 947 case RTE_FLOW_CONV_OP_NONE: 948 return 0; 949 case RTE_FLOW_CONV_OP_ATTR: 950 attr = src; 951 if (size > sizeof(*attr)) 952 size = sizeof(*attr); 953 rte_memcpy(dst, attr, size); 954 return sizeof(*attr); 955 case RTE_FLOW_CONV_OP_ITEM: 956 return rte_flow_conv_pattern(dst, size, src, 1, error); 957 case RTE_FLOW_CONV_OP_ACTION: 958 return rte_flow_conv_actions(dst, size, src, 1, error); 959 case RTE_FLOW_CONV_OP_PATTERN: 960 return rte_flow_conv_pattern(dst, size, src, 0, error); 961 case RTE_FLOW_CONV_OP_ACTIONS: 962 return rte_flow_conv_actions(dst, size, src, 0, error); 963 case RTE_FLOW_CONV_OP_RULE: 964 return rte_flow_conv_rule(dst, size, src, error); 965 case RTE_FLOW_CONV_OP_ITEM_NAME: 966 return rte_flow_conv_name(0, 0, dst, size, src, error); 967 case RTE_FLOW_CONV_OP_ACTION_NAME: 968 return rte_flow_conv_name(1, 0, dst, size, src, error); 969 case RTE_FLOW_CONV_OP_ITEM_NAME_PTR: 970 return rte_flow_conv_name(0, 1, dst, size, src, error); 971 case RTE_FLOW_CONV_OP_ACTION_NAME_PTR: 972 return rte_flow_conv_name(1, 1, dst, size, src, error); 973 } 974 return rte_flow_error_set 975 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, 976 "unknown object conversion operation"); 977 } 978 979 /** Store a full rte_flow description. */ 980 size_t 981 rte_flow_copy(struct rte_flow_desc *desc, size_t len, 982 const struct rte_flow_attr *attr, 983 const struct rte_flow_item *items, 984 const struct rte_flow_action *actions) 985 { 986 /* 987 * Overlap struct rte_flow_conv with struct rte_flow_desc in order 988 * to convert the former to the latter without wasting space. 989 */ 990 struct rte_flow_conv_rule *dst = 991 len ? 992 (void *)((uintptr_t)desc + 993 (offsetof(struct rte_flow_desc, actions) - 994 offsetof(struct rte_flow_conv_rule, actions))) : 995 NULL; 996 size_t dst_size = 997 len > sizeof(*desc) - sizeof(*dst) ? 998 len - (sizeof(*desc) - sizeof(*dst)) : 999 0; 1000 struct rte_flow_conv_rule src = { 1001 .attr_ro = NULL, 1002 .pattern_ro = items, 1003 .actions_ro = actions, 1004 }; 1005 int ret; 1006 1007 RTE_BUILD_BUG_ON(sizeof(struct rte_flow_desc) < 1008 sizeof(struct rte_flow_conv_rule)); 1009 if (dst_size && 1010 (&dst->pattern != &desc->items || 1011 &dst->actions != &desc->actions || 1012 (uintptr_t)(dst + 1) != (uintptr_t)(desc + 1))) { 1013 rte_errno = EINVAL; 1014 return 0; 1015 } 1016 ret = rte_flow_conv(RTE_FLOW_CONV_OP_RULE, dst, dst_size, &src, NULL); 1017 if (ret < 0) 1018 return 0; 1019 ret += sizeof(*desc) - sizeof(*dst); 1020 rte_memcpy(desc, 1021 (&(struct rte_flow_desc){ 1022 .size = ret, 1023 .attr = *attr, 1024 .items = dst_size ? dst->pattern : NULL, 1025 .actions = dst_size ? dst->actions : NULL, 1026 }), 1027 len > sizeof(*desc) ? sizeof(*desc) : len); 1028 return ret; 1029 } 1030 1031 int 1032 rte_flow_dev_dump(uint16_t port_id, struct rte_flow *flow, 1033 FILE *file, struct rte_flow_error *error) 1034 { 1035 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1036 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1037 int ret; 1038 1039 if (unlikely(!ops)) 1040 return -rte_errno; 1041 if (likely(!!ops->dev_dump)) { 1042 fts_enter(dev); 1043 ret = ops->dev_dump(dev, flow, file, error); 1044 fts_exit(dev); 1045 return flow_err(port_id, ret, error); 1046 } 1047 return rte_flow_error_set(error, ENOSYS, 1048 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1049 NULL, rte_strerror(ENOSYS)); 1050 } 1051 1052 int 1053 rte_flow_get_aged_flows(uint16_t port_id, void **contexts, 1054 uint32_t nb_contexts, struct rte_flow_error *error) 1055 { 1056 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1057 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1058 int ret; 1059 1060 if (unlikely(!ops)) 1061 return -rte_errno; 1062 if (likely(!!ops->get_aged_flows)) { 1063 fts_enter(dev); 1064 ret = ops->get_aged_flows(dev, contexts, nb_contexts, error); 1065 fts_exit(dev); 1066 return flow_err(port_id, ret, error); 1067 } 1068 return rte_flow_error_set(error, ENOTSUP, 1069 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1070 NULL, rte_strerror(ENOTSUP)); 1071 } 1072 1073 struct rte_flow_action_handle * 1074 rte_flow_action_handle_create(uint16_t port_id, 1075 const struct rte_flow_indir_action_conf *conf, 1076 const struct rte_flow_action *action, 1077 struct rte_flow_error *error) 1078 { 1079 struct rte_flow_action_handle *handle; 1080 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1081 1082 if (unlikely(!ops)) 1083 return NULL; 1084 if (unlikely(!ops->action_handle_create)) { 1085 rte_flow_error_set(error, ENOSYS, 1086 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, 1087 rte_strerror(ENOSYS)); 1088 return NULL; 1089 } 1090 handle = ops->action_handle_create(&rte_eth_devices[port_id], 1091 conf, action, error); 1092 if (handle == NULL) 1093 flow_err(port_id, -rte_errno, error); 1094 return handle; 1095 } 1096 1097 int 1098 rte_flow_action_handle_destroy(uint16_t port_id, 1099 struct rte_flow_action_handle *handle, 1100 struct rte_flow_error *error) 1101 { 1102 int ret; 1103 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1104 1105 if (unlikely(!ops)) 1106 return -rte_errno; 1107 if (unlikely(!ops->action_handle_destroy)) 1108 return rte_flow_error_set(error, ENOSYS, 1109 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1110 NULL, rte_strerror(ENOSYS)); 1111 ret = ops->action_handle_destroy(&rte_eth_devices[port_id], 1112 handle, error); 1113 return flow_err(port_id, ret, error); 1114 } 1115 1116 int 1117 rte_flow_action_handle_update(uint16_t port_id, 1118 struct rte_flow_action_handle *handle, 1119 const void *update, 1120 struct rte_flow_error *error) 1121 { 1122 int ret; 1123 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1124 1125 if (unlikely(!ops)) 1126 return -rte_errno; 1127 if (unlikely(!ops->action_handle_update)) 1128 return rte_flow_error_set(error, ENOSYS, 1129 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1130 NULL, rte_strerror(ENOSYS)); 1131 ret = ops->action_handle_update(&rte_eth_devices[port_id], handle, 1132 update, error); 1133 return flow_err(port_id, ret, error); 1134 } 1135 1136 int 1137 rte_flow_action_handle_query(uint16_t port_id, 1138 const struct rte_flow_action_handle *handle, 1139 void *data, 1140 struct rte_flow_error *error) 1141 { 1142 int ret; 1143 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1144 1145 if (unlikely(!ops)) 1146 return -rte_errno; 1147 if (unlikely(!ops->action_handle_query)) 1148 return rte_flow_error_set(error, ENOSYS, 1149 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1150 NULL, rte_strerror(ENOSYS)); 1151 ret = ops->action_handle_query(&rte_eth_devices[port_id], handle, 1152 data, error); 1153 return flow_err(port_id, ret, error); 1154 } 1155 1156 int 1157 rte_flow_tunnel_decap_set(uint16_t port_id, 1158 struct rte_flow_tunnel *tunnel, 1159 struct rte_flow_action **actions, 1160 uint32_t *num_of_actions, 1161 struct rte_flow_error *error) 1162 { 1163 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1164 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1165 1166 if (unlikely(!ops)) 1167 return -rte_errno; 1168 if (likely(!!ops->tunnel_decap_set)) { 1169 return flow_err(port_id, 1170 ops->tunnel_decap_set(dev, tunnel, actions, 1171 num_of_actions, error), 1172 error); 1173 } 1174 return rte_flow_error_set(error, ENOTSUP, 1175 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1176 NULL, rte_strerror(ENOTSUP)); 1177 } 1178 1179 int 1180 rte_flow_tunnel_match(uint16_t port_id, 1181 struct rte_flow_tunnel *tunnel, 1182 struct rte_flow_item **items, 1183 uint32_t *num_of_items, 1184 struct rte_flow_error *error) 1185 { 1186 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1187 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1188 1189 if (unlikely(!ops)) 1190 return -rte_errno; 1191 if (likely(!!ops->tunnel_match)) { 1192 return flow_err(port_id, 1193 ops->tunnel_match(dev, tunnel, items, 1194 num_of_items, error), 1195 error); 1196 } 1197 return rte_flow_error_set(error, ENOTSUP, 1198 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1199 NULL, rte_strerror(ENOTSUP)); 1200 } 1201 1202 int 1203 rte_flow_get_restore_info(uint16_t port_id, 1204 struct rte_mbuf *m, 1205 struct rte_flow_restore_info *restore_info, 1206 struct rte_flow_error *error) 1207 { 1208 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1209 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1210 1211 if (unlikely(!ops)) 1212 return -rte_errno; 1213 if (likely(!!ops->get_restore_info)) { 1214 return flow_err(port_id, 1215 ops->get_restore_info(dev, m, restore_info, 1216 error), 1217 error); 1218 } 1219 return rte_flow_error_set(error, ENOTSUP, 1220 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1221 NULL, rte_strerror(ENOTSUP)); 1222 } 1223 1224 int 1225 rte_flow_tunnel_action_decap_release(uint16_t port_id, 1226 struct rte_flow_action *actions, 1227 uint32_t num_of_actions, 1228 struct rte_flow_error *error) 1229 { 1230 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1231 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1232 1233 if (unlikely(!ops)) 1234 return -rte_errno; 1235 if (likely(!!ops->tunnel_action_decap_release)) { 1236 return flow_err(port_id, 1237 ops->tunnel_action_decap_release(dev, actions, 1238 num_of_actions, 1239 error), 1240 error); 1241 } 1242 return rte_flow_error_set(error, ENOTSUP, 1243 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1244 NULL, rte_strerror(ENOTSUP)); 1245 } 1246 1247 int 1248 rte_flow_tunnel_item_release(uint16_t port_id, 1249 struct rte_flow_item *items, 1250 uint32_t num_of_items, 1251 struct rte_flow_error *error) 1252 { 1253 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1254 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1255 1256 if (unlikely(!ops)) 1257 return -rte_errno; 1258 if (likely(!!ops->tunnel_item_release)) { 1259 return flow_err(port_id, 1260 ops->tunnel_item_release(dev, items, 1261 num_of_items, error), 1262 error); 1263 } 1264 return rte_flow_error_set(error, ENOTSUP, 1265 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1266 NULL, rte_strerror(ENOTSUP)); 1267 } 1268