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(INTEGRITY, sizeof(struct rte_flow_item_integrity)), 102 MK_FLOW_ITEM(CONNTRACK, sizeof(uint32_t)), 103 }; 104 105 /** Generate flow_action[] entry. */ 106 #define MK_FLOW_ACTION(t, s) \ 107 [RTE_FLOW_ACTION_TYPE_ ## t] = { \ 108 .name = # t, \ 109 .size = s, \ 110 } 111 112 /** Information about known flow actions. */ 113 static const struct rte_flow_desc_data rte_flow_desc_action[] = { 114 MK_FLOW_ACTION(END, 0), 115 MK_FLOW_ACTION(VOID, 0), 116 MK_FLOW_ACTION(PASSTHRU, 0), 117 MK_FLOW_ACTION(JUMP, sizeof(struct rte_flow_action_jump)), 118 MK_FLOW_ACTION(MARK, sizeof(struct rte_flow_action_mark)), 119 MK_FLOW_ACTION(FLAG, 0), 120 MK_FLOW_ACTION(QUEUE, sizeof(struct rte_flow_action_queue)), 121 MK_FLOW_ACTION(DROP, 0), 122 MK_FLOW_ACTION(COUNT, sizeof(struct rte_flow_action_count)), 123 MK_FLOW_ACTION(RSS, sizeof(struct rte_flow_action_rss)), 124 MK_FLOW_ACTION(PF, 0), 125 MK_FLOW_ACTION(VF, sizeof(struct rte_flow_action_vf)), 126 MK_FLOW_ACTION(PHY_PORT, sizeof(struct rte_flow_action_phy_port)), 127 MK_FLOW_ACTION(PORT_ID, sizeof(struct rte_flow_action_port_id)), 128 MK_FLOW_ACTION(METER, sizeof(struct rte_flow_action_meter)), 129 MK_FLOW_ACTION(SECURITY, sizeof(struct rte_flow_action_security)), 130 MK_FLOW_ACTION(OF_SET_MPLS_TTL, 131 sizeof(struct rte_flow_action_of_set_mpls_ttl)), 132 MK_FLOW_ACTION(OF_DEC_MPLS_TTL, 0), 133 MK_FLOW_ACTION(OF_SET_NW_TTL, 134 sizeof(struct rte_flow_action_of_set_nw_ttl)), 135 MK_FLOW_ACTION(OF_DEC_NW_TTL, 0), 136 MK_FLOW_ACTION(OF_COPY_TTL_OUT, 0), 137 MK_FLOW_ACTION(OF_COPY_TTL_IN, 0), 138 MK_FLOW_ACTION(OF_POP_VLAN, 0), 139 MK_FLOW_ACTION(OF_PUSH_VLAN, 140 sizeof(struct rte_flow_action_of_push_vlan)), 141 MK_FLOW_ACTION(OF_SET_VLAN_VID, 142 sizeof(struct rte_flow_action_of_set_vlan_vid)), 143 MK_FLOW_ACTION(OF_SET_VLAN_PCP, 144 sizeof(struct rte_flow_action_of_set_vlan_pcp)), 145 MK_FLOW_ACTION(OF_POP_MPLS, 146 sizeof(struct rte_flow_action_of_pop_mpls)), 147 MK_FLOW_ACTION(OF_PUSH_MPLS, 148 sizeof(struct rte_flow_action_of_push_mpls)), 149 MK_FLOW_ACTION(VXLAN_ENCAP, sizeof(struct rte_flow_action_vxlan_encap)), 150 MK_FLOW_ACTION(VXLAN_DECAP, 0), 151 MK_FLOW_ACTION(NVGRE_ENCAP, sizeof(struct rte_flow_action_vxlan_encap)), 152 MK_FLOW_ACTION(NVGRE_DECAP, 0), 153 MK_FLOW_ACTION(RAW_ENCAP, sizeof(struct rte_flow_action_raw_encap)), 154 MK_FLOW_ACTION(RAW_DECAP, sizeof(struct rte_flow_action_raw_decap)), 155 MK_FLOW_ACTION(SET_IPV4_SRC, 156 sizeof(struct rte_flow_action_set_ipv4)), 157 MK_FLOW_ACTION(SET_IPV4_DST, 158 sizeof(struct rte_flow_action_set_ipv4)), 159 MK_FLOW_ACTION(SET_IPV6_SRC, 160 sizeof(struct rte_flow_action_set_ipv6)), 161 MK_FLOW_ACTION(SET_IPV6_DST, 162 sizeof(struct rte_flow_action_set_ipv6)), 163 MK_FLOW_ACTION(SET_TP_SRC, 164 sizeof(struct rte_flow_action_set_tp)), 165 MK_FLOW_ACTION(SET_TP_DST, 166 sizeof(struct rte_flow_action_set_tp)), 167 MK_FLOW_ACTION(MAC_SWAP, 0), 168 MK_FLOW_ACTION(DEC_TTL, 0), 169 MK_FLOW_ACTION(SET_TTL, sizeof(struct rte_flow_action_set_ttl)), 170 MK_FLOW_ACTION(SET_MAC_SRC, sizeof(struct rte_flow_action_set_mac)), 171 MK_FLOW_ACTION(SET_MAC_DST, sizeof(struct rte_flow_action_set_mac)), 172 MK_FLOW_ACTION(INC_TCP_SEQ, sizeof(rte_be32_t)), 173 MK_FLOW_ACTION(DEC_TCP_SEQ, sizeof(rte_be32_t)), 174 MK_FLOW_ACTION(INC_TCP_ACK, sizeof(rte_be32_t)), 175 MK_FLOW_ACTION(DEC_TCP_ACK, sizeof(rte_be32_t)), 176 MK_FLOW_ACTION(SET_TAG, sizeof(struct rte_flow_action_set_tag)), 177 MK_FLOW_ACTION(SET_META, sizeof(struct rte_flow_action_set_meta)), 178 MK_FLOW_ACTION(SET_IPV4_DSCP, sizeof(struct rte_flow_action_set_dscp)), 179 MK_FLOW_ACTION(SET_IPV6_DSCP, sizeof(struct rte_flow_action_set_dscp)), 180 MK_FLOW_ACTION(AGE, sizeof(struct rte_flow_action_age)), 181 MK_FLOW_ACTION(SAMPLE, sizeof(struct rte_flow_action_sample)), 182 MK_FLOW_ACTION(MODIFY_FIELD, 183 sizeof(struct rte_flow_action_modify_field)), 184 /** 185 * Indirect action represented as handle of type 186 * (struct rte_flow_action_handle *) stored in conf field (see 187 * struct rte_flow_action); no need for additional structure to * store 188 * indirect action handle. 189 */ 190 MK_FLOW_ACTION(INDIRECT, 0), 191 MK_FLOW_ACTION(CONNTRACK, sizeof(struct rte_flow_action_conntrack)), 192 }; 193 194 int 195 rte_flow_dynf_metadata_register(void) 196 { 197 int offset; 198 int flag; 199 200 static const struct rte_mbuf_dynfield desc_offs = { 201 .name = RTE_MBUF_DYNFIELD_METADATA_NAME, 202 .size = sizeof(uint32_t), 203 .align = __alignof__(uint32_t), 204 }; 205 static const struct rte_mbuf_dynflag desc_flag = { 206 .name = RTE_MBUF_DYNFLAG_METADATA_NAME, 207 }; 208 209 offset = rte_mbuf_dynfield_register(&desc_offs); 210 if (offset < 0) 211 goto error; 212 flag = rte_mbuf_dynflag_register(&desc_flag); 213 if (flag < 0) 214 goto error; 215 rte_flow_dynf_metadata_offs = offset; 216 rte_flow_dynf_metadata_mask = (1ULL << flag); 217 return 0; 218 219 error: 220 rte_flow_dynf_metadata_offs = -1; 221 rte_flow_dynf_metadata_mask = 0ULL; 222 return -rte_errno; 223 } 224 225 static inline void 226 fts_enter(struct rte_eth_dev *dev) 227 { 228 if (!(dev->data->dev_flags & RTE_ETH_DEV_FLOW_OPS_THREAD_SAFE)) 229 pthread_mutex_lock(&dev->data->flow_ops_mutex); 230 } 231 232 static inline void 233 fts_exit(struct rte_eth_dev *dev) 234 { 235 if (!(dev->data->dev_flags & RTE_ETH_DEV_FLOW_OPS_THREAD_SAFE)) 236 pthread_mutex_unlock(&dev->data->flow_ops_mutex); 237 } 238 239 static int 240 flow_err(uint16_t port_id, int ret, struct rte_flow_error *error) 241 { 242 if (ret == 0) 243 return 0; 244 if (rte_eth_dev_is_removed(port_id)) 245 return rte_flow_error_set(error, EIO, 246 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 247 NULL, rte_strerror(EIO)); 248 return ret; 249 } 250 251 /* Get generic flow operations structure from a port. */ 252 const struct rte_flow_ops * 253 rte_flow_ops_get(uint16_t port_id, struct rte_flow_error *error) 254 { 255 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 256 const struct rte_flow_ops *ops; 257 int code; 258 259 if (unlikely(!rte_eth_dev_is_valid_port(port_id))) 260 code = ENODEV; 261 else if (unlikely(dev->dev_ops->flow_ops_get == NULL)) 262 /* flow API not supported with this driver dev_ops */ 263 code = ENOSYS; 264 else 265 code = dev->dev_ops->flow_ops_get(dev, &ops); 266 if (code == 0 && ops == NULL) 267 /* flow API not supported with this device */ 268 code = ENOSYS; 269 270 if (code != 0) { 271 rte_flow_error_set(error, code, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 272 NULL, rte_strerror(code)); 273 return NULL; 274 } 275 return ops; 276 } 277 278 /* Check whether a flow rule can be created on a given port. */ 279 int 280 rte_flow_validate(uint16_t port_id, 281 const struct rte_flow_attr *attr, 282 const struct rte_flow_item pattern[], 283 const struct rte_flow_action actions[], 284 struct rte_flow_error *error) 285 { 286 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 287 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 288 int ret; 289 290 if (unlikely(!ops)) 291 return -rte_errno; 292 if (likely(!!ops->validate)) { 293 fts_enter(dev); 294 ret = ops->validate(dev, attr, pattern, actions, error); 295 fts_exit(dev); 296 return flow_err(port_id, ret, error); 297 } 298 return rte_flow_error_set(error, ENOSYS, 299 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 300 NULL, rte_strerror(ENOSYS)); 301 } 302 303 /* Create a flow rule on a given port. */ 304 struct rte_flow * 305 rte_flow_create(uint16_t port_id, 306 const struct rte_flow_attr *attr, 307 const struct rte_flow_item pattern[], 308 const struct rte_flow_action actions[], 309 struct rte_flow_error *error) 310 { 311 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 312 struct rte_flow *flow; 313 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 314 315 if (unlikely(!ops)) 316 return NULL; 317 if (likely(!!ops->create)) { 318 fts_enter(dev); 319 flow = ops->create(dev, attr, pattern, actions, error); 320 fts_exit(dev); 321 if (flow == NULL) 322 flow_err(port_id, -rte_errno, error); 323 return flow; 324 } 325 rte_flow_error_set(error, ENOSYS, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 326 NULL, rte_strerror(ENOSYS)); 327 return NULL; 328 } 329 330 /* Destroy a flow rule on a given port. */ 331 int 332 rte_flow_destroy(uint16_t port_id, 333 struct rte_flow *flow, 334 struct rte_flow_error *error) 335 { 336 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 337 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 338 int ret; 339 340 if (unlikely(!ops)) 341 return -rte_errno; 342 if (likely(!!ops->destroy)) { 343 fts_enter(dev); 344 ret = ops->destroy(dev, flow, error); 345 fts_exit(dev); 346 return flow_err(port_id, ret, error); 347 } 348 return rte_flow_error_set(error, ENOSYS, 349 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 350 NULL, rte_strerror(ENOSYS)); 351 } 352 353 /* Destroy all flow rules associated with a port. */ 354 int 355 rte_flow_flush(uint16_t port_id, 356 struct rte_flow_error *error) 357 { 358 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 359 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 360 int ret; 361 362 if (unlikely(!ops)) 363 return -rte_errno; 364 if (likely(!!ops->flush)) { 365 fts_enter(dev); 366 ret = ops->flush(dev, error); 367 fts_exit(dev); 368 return flow_err(port_id, ret, error); 369 } 370 return rte_flow_error_set(error, ENOSYS, 371 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 372 NULL, rte_strerror(ENOSYS)); 373 } 374 375 /* Query an existing flow rule. */ 376 int 377 rte_flow_query(uint16_t port_id, 378 struct rte_flow *flow, 379 const struct rte_flow_action *action, 380 void *data, 381 struct rte_flow_error *error) 382 { 383 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 384 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 385 int ret; 386 387 if (!ops) 388 return -rte_errno; 389 if (likely(!!ops->query)) { 390 fts_enter(dev); 391 ret = ops->query(dev, flow, action, data, error); 392 fts_exit(dev); 393 return flow_err(port_id, ret, error); 394 } 395 return rte_flow_error_set(error, ENOSYS, 396 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 397 NULL, rte_strerror(ENOSYS)); 398 } 399 400 /* Restrict ingress traffic to the defined flow rules. */ 401 int 402 rte_flow_isolate(uint16_t port_id, 403 int set, 404 struct rte_flow_error *error) 405 { 406 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 407 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 408 int ret; 409 410 if (!ops) 411 return -rte_errno; 412 if (likely(!!ops->isolate)) { 413 fts_enter(dev); 414 ret = ops->isolate(dev, set, error); 415 fts_exit(dev); 416 return flow_err(port_id, ret, error); 417 } 418 return rte_flow_error_set(error, ENOSYS, 419 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 420 NULL, rte_strerror(ENOSYS)); 421 } 422 423 /* Initialize flow error structure. */ 424 int 425 rte_flow_error_set(struct rte_flow_error *error, 426 int code, 427 enum rte_flow_error_type type, 428 const void *cause, 429 const char *message) 430 { 431 if (error) { 432 *error = (struct rte_flow_error){ 433 .type = type, 434 .cause = cause, 435 .message = message, 436 }; 437 } 438 rte_errno = code; 439 return -code; 440 } 441 442 /** Pattern item specification types. */ 443 enum rte_flow_conv_item_spec_type { 444 RTE_FLOW_CONV_ITEM_SPEC, 445 RTE_FLOW_CONV_ITEM_LAST, 446 RTE_FLOW_CONV_ITEM_MASK, 447 }; 448 449 /** 450 * Copy pattern item specification. 451 * 452 * @param[out] buf 453 * Output buffer. Can be NULL if @p size is zero. 454 * @param size 455 * Size of @p buf in bytes. 456 * @param[in] item 457 * Pattern item to copy specification from. 458 * @param type 459 * Specification selector for either @p spec, @p last or @p mask. 460 * 461 * @return 462 * Number of bytes needed to store pattern item specification regardless 463 * of @p size. @p buf contents are truncated to @p size if not large 464 * enough. 465 */ 466 static size_t 467 rte_flow_conv_item_spec(void *buf, const size_t size, 468 const struct rte_flow_item *item, 469 enum rte_flow_conv_item_spec_type type) 470 { 471 size_t off; 472 const void *data = 473 type == RTE_FLOW_CONV_ITEM_SPEC ? item->spec : 474 type == RTE_FLOW_CONV_ITEM_LAST ? item->last : 475 type == RTE_FLOW_CONV_ITEM_MASK ? item->mask : 476 NULL; 477 478 switch (item->type) { 479 union { 480 const struct rte_flow_item_raw *raw; 481 } spec; 482 union { 483 const struct rte_flow_item_raw *raw; 484 } last; 485 union { 486 const struct rte_flow_item_raw *raw; 487 } mask; 488 union { 489 const struct rte_flow_item_raw *raw; 490 } src; 491 union { 492 struct rte_flow_item_raw *raw; 493 } dst; 494 size_t tmp; 495 496 case RTE_FLOW_ITEM_TYPE_RAW: 497 spec.raw = item->spec; 498 last.raw = item->last ? item->last : item->spec; 499 mask.raw = item->mask ? item->mask : &rte_flow_item_raw_mask; 500 src.raw = data; 501 dst.raw = buf; 502 rte_memcpy(dst.raw, 503 (&(struct rte_flow_item_raw){ 504 .relative = src.raw->relative, 505 .search = src.raw->search, 506 .reserved = src.raw->reserved, 507 .offset = src.raw->offset, 508 .limit = src.raw->limit, 509 .length = src.raw->length, 510 }), 511 size > sizeof(*dst.raw) ? sizeof(*dst.raw) : size); 512 off = sizeof(*dst.raw); 513 if (type == RTE_FLOW_CONV_ITEM_SPEC || 514 (type == RTE_FLOW_CONV_ITEM_MASK && 515 ((spec.raw->length & mask.raw->length) >= 516 (last.raw->length & mask.raw->length)))) 517 tmp = spec.raw->length & mask.raw->length; 518 else 519 tmp = last.raw->length & mask.raw->length; 520 if (tmp) { 521 off = RTE_ALIGN_CEIL(off, sizeof(*dst.raw->pattern)); 522 if (size >= off + tmp) 523 dst.raw->pattern = rte_memcpy 524 ((void *)((uintptr_t)dst.raw + off), 525 src.raw->pattern, tmp); 526 off += tmp; 527 } 528 break; 529 default: 530 /** 531 * allow PMD private flow item 532 */ 533 off = (int)item->type >= 0 ? 534 rte_flow_desc_item[item->type].size : sizeof(void *); 535 rte_memcpy(buf, data, (size > off ? off : size)); 536 break; 537 } 538 return off; 539 } 540 541 /** 542 * Copy action configuration. 543 * 544 * @param[out] buf 545 * Output buffer. Can be NULL if @p size is zero. 546 * @param size 547 * Size of @p buf in bytes. 548 * @param[in] action 549 * Action to copy configuration from. 550 * 551 * @return 552 * Number of bytes needed to store pattern item specification regardless 553 * of @p size. @p buf contents are truncated to @p size if not large 554 * enough. 555 */ 556 static size_t 557 rte_flow_conv_action_conf(void *buf, const size_t size, 558 const struct rte_flow_action *action) 559 { 560 size_t off; 561 562 switch (action->type) { 563 union { 564 const struct rte_flow_action_rss *rss; 565 const struct rte_flow_action_vxlan_encap *vxlan_encap; 566 const struct rte_flow_action_nvgre_encap *nvgre_encap; 567 } src; 568 union { 569 struct rte_flow_action_rss *rss; 570 struct rte_flow_action_vxlan_encap *vxlan_encap; 571 struct rte_flow_action_nvgre_encap *nvgre_encap; 572 } dst; 573 size_t tmp; 574 int ret; 575 576 case RTE_FLOW_ACTION_TYPE_RSS: 577 src.rss = action->conf; 578 dst.rss = buf; 579 rte_memcpy(dst.rss, 580 (&(struct rte_flow_action_rss){ 581 .func = src.rss->func, 582 .level = src.rss->level, 583 .types = src.rss->types, 584 .key_len = src.rss->key_len, 585 .queue_num = src.rss->queue_num, 586 }), 587 size > sizeof(*dst.rss) ? sizeof(*dst.rss) : size); 588 off = sizeof(*dst.rss); 589 if (src.rss->key_len && src.rss->key) { 590 off = RTE_ALIGN_CEIL(off, sizeof(*dst.rss->key)); 591 tmp = sizeof(*src.rss->key) * src.rss->key_len; 592 if (size >= off + tmp) 593 dst.rss->key = rte_memcpy 594 ((void *)((uintptr_t)dst.rss + off), 595 src.rss->key, tmp); 596 off += tmp; 597 } 598 if (src.rss->queue_num) { 599 off = RTE_ALIGN_CEIL(off, sizeof(*dst.rss->queue)); 600 tmp = sizeof(*src.rss->queue) * src.rss->queue_num; 601 if (size >= off + tmp) 602 dst.rss->queue = rte_memcpy 603 ((void *)((uintptr_t)dst.rss + off), 604 src.rss->queue, tmp); 605 off += tmp; 606 } 607 break; 608 case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP: 609 case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP: 610 src.vxlan_encap = action->conf; 611 dst.vxlan_encap = buf; 612 RTE_BUILD_BUG_ON(sizeof(*src.vxlan_encap) != 613 sizeof(*src.nvgre_encap) || 614 offsetof(struct rte_flow_action_vxlan_encap, 615 definition) != 616 offsetof(struct rte_flow_action_nvgre_encap, 617 definition)); 618 off = sizeof(*dst.vxlan_encap); 619 if (src.vxlan_encap->definition) { 620 off = RTE_ALIGN_CEIL 621 (off, sizeof(*dst.vxlan_encap->definition)); 622 ret = rte_flow_conv 623 (RTE_FLOW_CONV_OP_PATTERN, 624 (void *)((uintptr_t)dst.vxlan_encap + off), 625 size > off ? size - off : 0, 626 src.vxlan_encap->definition, NULL); 627 if (ret < 0) 628 return 0; 629 if (size >= off + ret) 630 dst.vxlan_encap->definition = 631 (void *)((uintptr_t)dst.vxlan_encap + 632 off); 633 off += ret; 634 } 635 break; 636 default: 637 /** 638 * allow PMD private flow action 639 */ 640 off = (int)action->type >= 0 ? 641 rte_flow_desc_action[action->type].size : sizeof(void *); 642 rte_memcpy(buf, action->conf, (size > off ? off : size)); 643 break; 644 } 645 return off; 646 } 647 648 /** 649 * Copy a list of pattern items. 650 * 651 * @param[out] dst 652 * Destination buffer. Can be NULL if @p size is zero. 653 * @param size 654 * Size of @p dst in bytes. 655 * @param[in] src 656 * Source pattern items. 657 * @param num 658 * Maximum number of pattern items to process from @p src or 0 to process 659 * the entire list. In both cases, processing stops after 660 * RTE_FLOW_ITEM_TYPE_END is encountered. 661 * @param[out] error 662 * Perform verbose error reporting if not NULL. 663 * 664 * @return 665 * A positive value representing the number of bytes needed to store 666 * pattern items regardless of @p size on success (@p buf contents are 667 * truncated to @p size if not large enough), a negative errno value 668 * otherwise and rte_errno is set. 669 */ 670 static int 671 rte_flow_conv_pattern(struct rte_flow_item *dst, 672 const size_t size, 673 const struct rte_flow_item *src, 674 unsigned int num, 675 struct rte_flow_error *error) 676 { 677 uintptr_t data = (uintptr_t)dst; 678 size_t off; 679 size_t ret; 680 unsigned int i; 681 682 for (i = 0, off = 0; !num || i != num; ++i, ++src, ++dst) { 683 /** 684 * allow PMD private flow item 685 */ 686 if (((int)src->type >= 0) && 687 ((size_t)src->type >= RTE_DIM(rte_flow_desc_item) || 688 !rte_flow_desc_item[src->type].name)) 689 return rte_flow_error_set 690 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, src, 691 "cannot convert unknown item type"); 692 if (size >= off + sizeof(*dst)) 693 *dst = (struct rte_flow_item){ 694 .type = src->type, 695 }; 696 off += sizeof(*dst); 697 if (!src->type) 698 num = i + 1; 699 } 700 num = i; 701 src -= num; 702 dst -= num; 703 do { 704 if (src->spec) { 705 off = RTE_ALIGN_CEIL(off, sizeof(double)); 706 ret = rte_flow_conv_item_spec 707 ((void *)(data + off), 708 size > off ? size - off : 0, src, 709 RTE_FLOW_CONV_ITEM_SPEC); 710 if (size && size >= off + ret) 711 dst->spec = (void *)(data + off); 712 off += ret; 713 714 } 715 if (src->last) { 716 off = RTE_ALIGN_CEIL(off, sizeof(double)); 717 ret = rte_flow_conv_item_spec 718 ((void *)(data + off), 719 size > off ? size - off : 0, src, 720 RTE_FLOW_CONV_ITEM_LAST); 721 if (size && size >= off + ret) 722 dst->last = (void *)(data + off); 723 off += ret; 724 } 725 if (src->mask) { 726 off = RTE_ALIGN_CEIL(off, sizeof(double)); 727 ret = rte_flow_conv_item_spec 728 ((void *)(data + off), 729 size > off ? size - off : 0, src, 730 RTE_FLOW_CONV_ITEM_MASK); 731 if (size && size >= off + ret) 732 dst->mask = (void *)(data + off); 733 off += ret; 734 } 735 ++src; 736 ++dst; 737 } while (--num); 738 return off; 739 } 740 741 /** 742 * Copy a list of actions. 743 * 744 * @param[out] dst 745 * Destination buffer. Can be NULL if @p size is zero. 746 * @param size 747 * Size of @p dst in bytes. 748 * @param[in] src 749 * Source actions. 750 * @param num 751 * Maximum number of actions to process from @p src or 0 to process the 752 * entire list. In both cases, processing stops after 753 * RTE_FLOW_ACTION_TYPE_END is encountered. 754 * @param[out] error 755 * Perform verbose error reporting if not NULL. 756 * 757 * @return 758 * A positive value representing the number of bytes needed to store 759 * actions regardless of @p size on success (@p buf contents are truncated 760 * to @p size if not large enough), a negative errno value otherwise and 761 * rte_errno is set. 762 */ 763 static int 764 rte_flow_conv_actions(struct rte_flow_action *dst, 765 const size_t size, 766 const struct rte_flow_action *src, 767 unsigned int num, 768 struct rte_flow_error *error) 769 { 770 uintptr_t data = (uintptr_t)dst; 771 size_t off; 772 size_t ret; 773 unsigned int i; 774 775 for (i = 0, off = 0; !num || i != num; ++i, ++src, ++dst) { 776 /** 777 * allow PMD private flow action 778 */ 779 if (((int)src->type >= 0) && 780 ((size_t)src->type >= RTE_DIM(rte_flow_desc_action) || 781 !rte_flow_desc_action[src->type].name)) 782 return rte_flow_error_set 783 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION, 784 src, "cannot convert unknown action type"); 785 if (size >= off + sizeof(*dst)) 786 *dst = (struct rte_flow_action){ 787 .type = src->type, 788 }; 789 off += sizeof(*dst); 790 if (!src->type) 791 num = i + 1; 792 } 793 num = i; 794 src -= num; 795 dst -= num; 796 do { 797 if (src->conf) { 798 off = RTE_ALIGN_CEIL(off, sizeof(double)); 799 ret = rte_flow_conv_action_conf 800 ((void *)(data + off), 801 size > off ? size - off : 0, src); 802 if (size && size >= off + ret) 803 dst->conf = (void *)(data + off); 804 off += ret; 805 } 806 ++src; 807 ++dst; 808 } while (--num); 809 return off; 810 } 811 812 /** 813 * Copy flow rule components. 814 * 815 * This comprises the flow rule descriptor itself, attributes, pattern and 816 * actions list. NULL components in @p src are skipped. 817 * 818 * @param[out] dst 819 * Destination buffer. Can be NULL if @p size is zero. 820 * @param size 821 * Size of @p dst in bytes. 822 * @param[in] src 823 * Source flow rule descriptor. 824 * @param[out] error 825 * Perform verbose error reporting if not NULL. 826 * 827 * @return 828 * A positive value representing the number of bytes needed to store all 829 * components including the descriptor regardless of @p size on success 830 * (@p buf contents are truncated to @p size if not large enough), a 831 * negative errno value otherwise and rte_errno is set. 832 */ 833 static int 834 rte_flow_conv_rule(struct rte_flow_conv_rule *dst, 835 const size_t size, 836 const struct rte_flow_conv_rule *src, 837 struct rte_flow_error *error) 838 { 839 size_t off; 840 int ret; 841 842 rte_memcpy(dst, 843 (&(struct rte_flow_conv_rule){ 844 .attr = NULL, 845 .pattern = NULL, 846 .actions = NULL, 847 }), 848 size > sizeof(*dst) ? sizeof(*dst) : size); 849 off = sizeof(*dst); 850 if (src->attr_ro) { 851 off = RTE_ALIGN_CEIL(off, sizeof(double)); 852 if (size && size >= off + sizeof(*dst->attr)) 853 dst->attr = rte_memcpy 854 ((void *)((uintptr_t)dst + off), 855 src->attr_ro, sizeof(*dst->attr)); 856 off += sizeof(*dst->attr); 857 } 858 if (src->pattern_ro) { 859 off = RTE_ALIGN_CEIL(off, sizeof(double)); 860 ret = rte_flow_conv_pattern((void *)((uintptr_t)dst + off), 861 size > off ? size - off : 0, 862 src->pattern_ro, 0, error); 863 if (ret < 0) 864 return ret; 865 if (size && size >= off + (size_t)ret) 866 dst->pattern = (void *)((uintptr_t)dst + off); 867 off += ret; 868 } 869 if (src->actions_ro) { 870 off = RTE_ALIGN_CEIL(off, sizeof(double)); 871 ret = rte_flow_conv_actions((void *)((uintptr_t)dst + off), 872 size > off ? size - off : 0, 873 src->actions_ro, 0, error); 874 if (ret < 0) 875 return ret; 876 if (size >= off + (size_t)ret) 877 dst->actions = (void *)((uintptr_t)dst + off); 878 off += ret; 879 } 880 return off; 881 } 882 883 /** 884 * Retrieve the name of a pattern item/action type. 885 * 886 * @param is_action 887 * Nonzero when @p src represents an action type instead of a pattern item 888 * type. 889 * @param is_ptr 890 * Nonzero to write string address instead of contents into @p dst. 891 * @param[out] dst 892 * Destination buffer. Can be NULL if @p size is zero. 893 * @param size 894 * Size of @p dst in bytes. 895 * @param[in] src 896 * Depending on @p is_action, source pattern item or action type cast as a 897 * pointer. 898 * @param[out] error 899 * Perform verbose error reporting if not NULL. 900 * 901 * @return 902 * A positive value representing the number of bytes needed to store the 903 * name or its address regardless of @p size on success (@p buf contents 904 * are truncated to @p size if not large enough), a negative errno value 905 * otherwise and rte_errno is set. 906 */ 907 static int 908 rte_flow_conv_name(int is_action, 909 int is_ptr, 910 char *dst, 911 const size_t size, 912 const void *src, 913 struct rte_flow_error *error) 914 { 915 struct desc_info { 916 const struct rte_flow_desc_data *data; 917 size_t num; 918 }; 919 static const struct desc_info info_rep[2] = { 920 { rte_flow_desc_item, RTE_DIM(rte_flow_desc_item), }, 921 { rte_flow_desc_action, RTE_DIM(rte_flow_desc_action), }, 922 }; 923 const struct desc_info *const info = &info_rep[!!is_action]; 924 unsigned int type = (uintptr_t)src; 925 926 if (type >= info->num) 927 return rte_flow_error_set 928 (error, EINVAL, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, 929 "unknown object type to retrieve the name of"); 930 if (!is_ptr) 931 return strlcpy(dst, info->data[type].name, size); 932 if (size >= sizeof(const char **)) 933 *((const char **)dst) = info->data[type].name; 934 return sizeof(const char **); 935 } 936 937 /** Helper function to convert flow API objects. */ 938 int 939 rte_flow_conv(enum rte_flow_conv_op op, 940 void *dst, 941 size_t size, 942 const void *src, 943 struct rte_flow_error *error) 944 { 945 switch (op) { 946 const struct rte_flow_attr *attr; 947 948 case RTE_FLOW_CONV_OP_NONE: 949 return 0; 950 case RTE_FLOW_CONV_OP_ATTR: 951 attr = src; 952 if (size > sizeof(*attr)) 953 size = sizeof(*attr); 954 rte_memcpy(dst, attr, size); 955 return sizeof(*attr); 956 case RTE_FLOW_CONV_OP_ITEM: 957 return rte_flow_conv_pattern(dst, size, src, 1, error); 958 case RTE_FLOW_CONV_OP_ACTION: 959 return rte_flow_conv_actions(dst, size, src, 1, error); 960 case RTE_FLOW_CONV_OP_PATTERN: 961 return rte_flow_conv_pattern(dst, size, src, 0, error); 962 case RTE_FLOW_CONV_OP_ACTIONS: 963 return rte_flow_conv_actions(dst, size, src, 0, error); 964 case RTE_FLOW_CONV_OP_RULE: 965 return rte_flow_conv_rule(dst, size, src, error); 966 case RTE_FLOW_CONV_OP_ITEM_NAME: 967 return rte_flow_conv_name(0, 0, dst, size, src, error); 968 case RTE_FLOW_CONV_OP_ACTION_NAME: 969 return rte_flow_conv_name(1, 0, dst, size, src, error); 970 case RTE_FLOW_CONV_OP_ITEM_NAME_PTR: 971 return rte_flow_conv_name(0, 1, dst, size, src, error); 972 case RTE_FLOW_CONV_OP_ACTION_NAME_PTR: 973 return rte_flow_conv_name(1, 1, dst, size, src, error); 974 } 975 return rte_flow_error_set 976 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, 977 "unknown object conversion operation"); 978 } 979 980 /** Store a full rte_flow description. */ 981 size_t 982 rte_flow_copy(struct rte_flow_desc *desc, size_t len, 983 const struct rte_flow_attr *attr, 984 const struct rte_flow_item *items, 985 const struct rte_flow_action *actions) 986 { 987 /* 988 * Overlap struct rte_flow_conv with struct rte_flow_desc in order 989 * to convert the former to the latter without wasting space. 990 */ 991 struct rte_flow_conv_rule *dst = 992 len ? 993 (void *)((uintptr_t)desc + 994 (offsetof(struct rte_flow_desc, actions) - 995 offsetof(struct rte_flow_conv_rule, actions))) : 996 NULL; 997 size_t dst_size = 998 len > sizeof(*desc) - sizeof(*dst) ? 999 len - (sizeof(*desc) - sizeof(*dst)) : 1000 0; 1001 struct rte_flow_conv_rule src = { 1002 .attr_ro = NULL, 1003 .pattern_ro = items, 1004 .actions_ro = actions, 1005 }; 1006 int ret; 1007 1008 RTE_BUILD_BUG_ON(sizeof(struct rte_flow_desc) < 1009 sizeof(struct rte_flow_conv_rule)); 1010 if (dst_size && 1011 (&dst->pattern != &desc->items || 1012 &dst->actions != &desc->actions || 1013 (uintptr_t)(dst + 1) != (uintptr_t)(desc + 1))) { 1014 rte_errno = EINVAL; 1015 return 0; 1016 } 1017 ret = rte_flow_conv(RTE_FLOW_CONV_OP_RULE, dst, dst_size, &src, NULL); 1018 if (ret < 0) 1019 return 0; 1020 ret += sizeof(*desc) - sizeof(*dst); 1021 rte_memcpy(desc, 1022 (&(struct rte_flow_desc){ 1023 .size = ret, 1024 .attr = *attr, 1025 .items = dst_size ? dst->pattern : NULL, 1026 .actions = dst_size ? dst->actions : NULL, 1027 }), 1028 len > sizeof(*desc) ? sizeof(*desc) : len); 1029 return ret; 1030 } 1031 1032 int 1033 rte_flow_dev_dump(uint16_t port_id, struct rte_flow *flow, 1034 FILE *file, struct rte_flow_error *error) 1035 { 1036 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1037 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1038 int ret; 1039 1040 if (unlikely(!ops)) 1041 return -rte_errno; 1042 if (likely(!!ops->dev_dump)) { 1043 fts_enter(dev); 1044 ret = ops->dev_dump(dev, flow, file, error); 1045 fts_exit(dev); 1046 return flow_err(port_id, ret, error); 1047 } 1048 return rte_flow_error_set(error, ENOSYS, 1049 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1050 NULL, rte_strerror(ENOSYS)); 1051 } 1052 1053 int 1054 rte_flow_get_aged_flows(uint16_t port_id, void **contexts, 1055 uint32_t nb_contexts, struct rte_flow_error *error) 1056 { 1057 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1058 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1059 int ret; 1060 1061 if (unlikely(!ops)) 1062 return -rte_errno; 1063 if (likely(!!ops->get_aged_flows)) { 1064 fts_enter(dev); 1065 ret = ops->get_aged_flows(dev, contexts, nb_contexts, error); 1066 fts_exit(dev); 1067 return flow_err(port_id, ret, error); 1068 } 1069 return rte_flow_error_set(error, ENOTSUP, 1070 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1071 NULL, rte_strerror(ENOTSUP)); 1072 } 1073 1074 struct rte_flow_action_handle * 1075 rte_flow_action_handle_create(uint16_t port_id, 1076 const struct rte_flow_indir_action_conf *conf, 1077 const struct rte_flow_action *action, 1078 struct rte_flow_error *error) 1079 { 1080 struct rte_flow_action_handle *handle; 1081 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1082 1083 if (unlikely(!ops)) 1084 return NULL; 1085 if (unlikely(!ops->action_handle_create)) { 1086 rte_flow_error_set(error, ENOSYS, 1087 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, 1088 rte_strerror(ENOSYS)); 1089 return NULL; 1090 } 1091 handle = ops->action_handle_create(&rte_eth_devices[port_id], 1092 conf, action, error); 1093 if (handle == NULL) 1094 flow_err(port_id, -rte_errno, error); 1095 return handle; 1096 } 1097 1098 int 1099 rte_flow_action_handle_destroy(uint16_t port_id, 1100 struct rte_flow_action_handle *handle, 1101 struct rte_flow_error *error) 1102 { 1103 int ret; 1104 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1105 1106 if (unlikely(!ops)) 1107 return -rte_errno; 1108 if (unlikely(!ops->action_handle_destroy)) 1109 return rte_flow_error_set(error, ENOSYS, 1110 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1111 NULL, rte_strerror(ENOSYS)); 1112 ret = ops->action_handle_destroy(&rte_eth_devices[port_id], 1113 handle, error); 1114 return flow_err(port_id, ret, error); 1115 } 1116 1117 int 1118 rte_flow_action_handle_update(uint16_t port_id, 1119 struct rte_flow_action_handle *handle, 1120 const void *update, 1121 struct rte_flow_error *error) 1122 { 1123 int ret; 1124 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1125 1126 if (unlikely(!ops)) 1127 return -rte_errno; 1128 if (unlikely(!ops->action_handle_update)) 1129 return rte_flow_error_set(error, ENOSYS, 1130 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1131 NULL, rte_strerror(ENOSYS)); 1132 ret = ops->action_handle_update(&rte_eth_devices[port_id], handle, 1133 update, error); 1134 return flow_err(port_id, ret, error); 1135 } 1136 1137 int 1138 rte_flow_action_handle_query(uint16_t port_id, 1139 const struct rte_flow_action_handle *handle, 1140 void *data, 1141 struct rte_flow_error *error) 1142 { 1143 int ret; 1144 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1145 1146 if (unlikely(!ops)) 1147 return -rte_errno; 1148 if (unlikely(!ops->action_handle_query)) 1149 return rte_flow_error_set(error, ENOSYS, 1150 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1151 NULL, rte_strerror(ENOSYS)); 1152 ret = ops->action_handle_query(&rte_eth_devices[port_id], handle, 1153 data, error); 1154 return flow_err(port_id, ret, error); 1155 } 1156 1157 int 1158 rte_flow_tunnel_decap_set(uint16_t port_id, 1159 struct rte_flow_tunnel *tunnel, 1160 struct rte_flow_action **actions, 1161 uint32_t *num_of_actions, 1162 struct rte_flow_error *error) 1163 { 1164 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1165 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1166 1167 if (unlikely(!ops)) 1168 return -rte_errno; 1169 if (likely(!!ops->tunnel_decap_set)) { 1170 return flow_err(port_id, 1171 ops->tunnel_decap_set(dev, tunnel, actions, 1172 num_of_actions, error), 1173 error); 1174 } 1175 return rte_flow_error_set(error, ENOTSUP, 1176 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1177 NULL, rte_strerror(ENOTSUP)); 1178 } 1179 1180 int 1181 rte_flow_tunnel_match(uint16_t port_id, 1182 struct rte_flow_tunnel *tunnel, 1183 struct rte_flow_item **items, 1184 uint32_t *num_of_items, 1185 struct rte_flow_error *error) 1186 { 1187 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1188 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1189 1190 if (unlikely(!ops)) 1191 return -rte_errno; 1192 if (likely(!!ops->tunnel_match)) { 1193 return flow_err(port_id, 1194 ops->tunnel_match(dev, tunnel, items, 1195 num_of_items, error), 1196 error); 1197 } 1198 return rte_flow_error_set(error, ENOTSUP, 1199 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1200 NULL, rte_strerror(ENOTSUP)); 1201 } 1202 1203 int 1204 rte_flow_get_restore_info(uint16_t port_id, 1205 struct rte_mbuf *m, 1206 struct rte_flow_restore_info *restore_info, 1207 struct rte_flow_error *error) 1208 { 1209 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1210 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1211 1212 if (unlikely(!ops)) 1213 return -rte_errno; 1214 if (likely(!!ops->get_restore_info)) { 1215 return flow_err(port_id, 1216 ops->get_restore_info(dev, m, restore_info, 1217 error), 1218 error); 1219 } 1220 return rte_flow_error_set(error, ENOTSUP, 1221 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1222 NULL, rte_strerror(ENOTSUP)); 1223 } 1224 1225 int 1226 rte_flow_tunnel_action_decap_release(uint16_t port_id, 1227 struct rte_flow_action *actions, 1228 uint32_t num_of_actions, 1229 struct rte_flow_error *error) 1230 { 1231 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1232 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1233 1234 if (unlikely(!ops)) 1235 return -rte_errno; 1236 if (likely(!!ops->tunnel_action_decap_release)) { 1237 return flow_err(port_id, 1238 ops->tunnel_action_decap_release(dev, actions, 1239 num_of_actions, 1240 error), 1241 error); 1242 } 1243 return rte_flow_error_set(error, ENOTSUP, 1244 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1245 NULL, rte_strerror(ENOTSUP)); 1246 } 1247 1248 int 1249 rte_flow_tunnel_item_release(uint16_t port_id, 1250 struct rte_flow_item *items, 1251 uint32_t num_of_items, 1252 struct rte_flow_error *error) 1253 { 1254 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1255 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1256 1257 if (unlikely(!ops)) 1258 return -rte_errno; 1259 if (likely(!!ops->tunnel_item_release)) { 1260 return flow_err(port_id, 1261 ops->tunnel_item_release(dev, items, 1262 num_of_items, error), 1263 error); 1264 } 1265 return rte_flow_error_set(error, ENOTSUP, 1266 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1267 NULL, rte_strerror(ENOTSUP)); 1268 } 1269