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 MK_FLOW_ITEM(PORT_REPRESENTOR, sizeof(struct rte_flow_item_ethdev)), 104 }; 105 106 /** Generate flow_action[] entry. */ 107 #define MK_FLOW_ACTION(t, s) \ 108 [RTE_FLOW_ACTION_TYPE_ ## t] = { \ 109 .name = # t, \ 110 .size = s, \ 111 } 112 113 /** Information about known flow actions. */ 114 static const struct rte_flow_desc_data rte_flow_desc_action[] = { 115 MK_FLOW_ACTION(END, 0), 116 MK_FLOW_ACTION(VOID, 0), 117 MK_FLOW_ACTION(PASSTHRU, 0), 118 MK_FLOW_ACTION(JUMP, sizeof(struct rte_flow_action_jump)), 119 MK_FLOW_ACTION(MARK, sizeof(struct rte_flow_action_mark)), 120 MK_FLOW_ACTION(FLAG, 0), 121 MK_FLOW_ACTION(QUEUE, sizeof(struct rte_flow_action_queue)), 122 MK_FLOW_ACTION(DROP, 0), 123 MK_FLOW_ACTION(COUNT, sizeof(struct rte_flow_action_count)), 124 MK_FLOW_ACTION(RSS, sizeof(struct rte_flow_action_rss)), 125 MK_FLOW_ACTION(PF, 0), 126 MK_FLOW_ACTION(VF, sizeof(struct rte_flow_action_vf)), 127 MK_FLOW_ACTION(PHY_PORT, sizeof(struct rte_flow_action_phy_port)), 128 MK_FLOW_ACTION(PORT_ID, sizeof(struct rte_flow_action_port_id)), 129 MK_FLOW_ACTION(METER, sizeof(struct rte_flow_action_meter)), 130 MK_FLOW_ACTION(SECURITY, sizeof(struct rte_flow_action_security)), 131 MK_FLOW_ACTION(OF_SET_MPLS_TTL, 132 sizeof(struct rte_flow_action_of_set_mpls_ttl)), 133 MK_FLOW_ACTION(OF_DEC_MPLS_TTL, 0), 134 MK_FLOW_ACTION(OF_SET_NW_TTL, 135 sizeof(struct rte_flow_action_of_set_nw_ttl)), 136 MK_FLOW_ACTION(OF_DEC_NW_TTL, 0), 137 MK_FLOW_ACTION(OF_COPY_TTL_OUT, 0), 138 MK_FLOW_ACTION(OF_COPY_TTL_IN, 0), 139 MK_FLOW_ACTION(OF_POP_VLAN, 0), 140 MK_FLOW_ACTION(OF_PUSH_VLAN, 141 sizeof(struct rte_flow_action_of_push_vlan)), 142 MK_FLOW_ACTION(OF_SET_VLAN_VID, 143 sizeof(struct rte_flow_action_of_set_vlan_vid)), 144 MK_FLOW_ACTION(OF_SET_VLAN_PCP, 145 sizeof(struct rte_flow_action_of_set_vlan_pcp)), 146 MK_FLOW_ACTION(OF_POP_MPLS, 147 sizeof(struct rte_flow_action_of_pop_mpls)), 148 MK_FLOW_ACTION(OF_PUSH_MPLS, 149 sizeof(struct rte_flow_action_of_push_mpls)), 150 MK_FLOW_ACTION(VXLAN_ENCAP, sizeof(struct rte_flow_action_vxlan_encap)), 151 MK_FLOW_ACTION(VXLAN_DECAP, 0), 152 MK_FLOW_ACTION(NVGRE_ENCAP, sizeof(struct rte_flow_action_vxlan_encap)), 153 MK_FLOW_ACTION(NVGRE_DECAP, 0), 154 MK_FLOW_ACTION(RAW_ENCAP, sizeof(struct rte_flow_action_raw_encap)), 155 MK_FLOW_ACTION(RAW_DECAP, sizeof(struct rte_flow_action_raw_decap)), 156 MK_FLOW_ACTION(SET_IPV4_SRC, 157 sizeof(struct rte_flow_action_set_ipv4)), 158 MK_FLOW_ACTION(SET_IPV4_DST, 159 sizeof(struct rte_flow_action_set_ipv4)), 160 MK_FLOW_ACTION(SET_IPV6_SRC, 161 sizeof(struct rte_flow_action_set_ipv6)), 162 MK_FLOW_ACTION(SET_IPV6_DST, 163 sizeof(struct rte_flow_action_set_ipv6)), 164 MK_FLOW_ACTION(SET_TP_SRC, 165 sizeof(struct rte_flow_action_set_tp)), 166 MK_FLOW_ACTION(SET_TP_DST, 167 sizeof(struct rte_flow_action_set_tp)), 168 MK_FLOW_ACTION(MAC_SWAP, 0), 169 MK_FLOW_ACTION(DEC_TTL, 0), 170 MK_FLOW_ACTION(SET_TTL, sizeof(struct rte_flow_action_set_ttl)), 171 MK_FLOW_ACTION(SET_MAC_SRC, sizeof(struct rte_flow_action_set_mac)), 172 MK_FLOW_ACTION(SET_MAC_DST, sizeof(struct rte_flow_action_set_mac)), 173 MK_FLOW_ACTION(INC_TCP_SEQ, sizeof(rte_be32_t)), 174 MK_FLOW_ACTION(DEC_TCP_SEQ, sizeof(rte_be32_t)), 175 MK_FLOW_ACTION(INC_TCP_ACK, sizeof(rte_be32_t)), 176 MK_FLOW_ACTION(DEC_TCP_ACK, sizeof(rte_be32_t)), 177 MK_FLOW_ACTION(SET_TAG, sizeof(struct rte_flow_action_set_tag)), 178 MK_FLOW_ACTION(SET_META, sizeof(struct rte_flow_action_set_meta)), 179 MK_FLOW_ACTION(SET_IPV4_DSCP, sizeof(struct rte_flow_action_set_dscp)), 180 MK_FLOW_ACTION(SET_IPV6_DSCP, sizeof(struct rte_flow_action_set_dscp)), 181 MK_FLOW_ACTION(AGE, sizeof(struct rte_flow_action_age)), 182 MK_FLOW_ACTION(SAMPLE, sizeof(struct rte_flow_action_sample)), 183 MK_FLOW_ACTION(MODIFY_FIELD, 184 sizeof(struct rte_flow_action_modify_field)), 185 /** 186 * Indirect action represented as handle of type 187 * (struct rte_flow_action_handle *) stored in conf field (see 188 * struct rte_flow_action); no need for additional structure to * store 189 * indirect action handle. 190 */ 191 MK_FLOW_ACTION(INDIRECT, 0), 192 MK_FLOW_ACTION(CONNTRACK, sizeof(struct rte_flow_action_conntrack)), 193 }; 194 195 int 196 rte_flow_dynf_metadata_register(void) 197 { 198 int offset; 199 int flag; 200 201 static const struct rte_mbuf_dynfield desc_offs = { 202 .name = RTE_MBUF_DYNFIELD_METADATA_NAME, 203 .size = sizeof(uint32_t), 204 .align = __alignof__(uint32_t), 205 }; 206 static const struct rte_mbuf_dynflag desc_flag = { 207 .name = RTE_MBUF_DYNFLAG_METADATA_NAME, 208 }; 209 210 offset = rte_mbuf_dynfield_register(&desc_offs); 211 if (offset < 0) 212 goto error; 213 flag = rte_mbuf_dynflag_register(&desc_flag); 214 if (flag < 0) 215 goto error; 216 rte_flow_dynf_metadata_offs = offset; 217 rte_flow_dynf_metadata_mask = (1ULL << flag); 218 return 0; 219 220 error: 221 rte_flow_dynf_metadata_offs = -1; 222 rte_flow_dynf_metadata_mask = 0ULL; 223 return -rte_errno; 224 } 225 226 static inline void 227 fts_enter(struct rte_eth_dev *dev) 228 { 229 if (!(dev->data->dev_flags & RTE_ETH_DEV_FLOW_OPS_THREAD_SAFE)) 230 pthread_mutex_lock(&dev->data->flow_ops_mutex); 231 } 232 233 static inline void 234 fts_exit(struct rte_eth_dev *dev) 235 { 236 if (!(dev->data->dev_flags & RTE_ETH_DEV_FLOW_OPS_THREAD_SAFE)) 237 pthread_mutex_unlock(&dev->data->flow_ops_mutex); 238 } 239 240 static int 241 flow_err(uint16_t port_id, int ret, struct rte_flow_error *error) 242 { 243 if (ret == 0) 244 return 0; 245 if (rte_eth_dev_is_removed(port_id)) 246 return rte_flow_error_set(error, EIO, 247 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 248 NULL, rte_strerror(EIO)); 249 return ret; 250 } 251 252 /* Get generic flow operations structure from a port. */ 253 const struct rte_flow_ops * 254 rte_flow_ops_get(uint16_t port_id, struct rte_flow_error *error) 255 { 256 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 257 const struct rte_flow_ops *ops; 258 int code; 259 260 if (unlikely(!rte_eth_dev_is_valid_port(port_id))) 261 code = ENODEV; 262 else if (unlikely(dev->dev_ops->flow_ops_get == NULL)) 263 /* flow API not supported with this driver dev_ops */ 264 code = ENOSYS; 265 else 266 code = dev->dev_ops->flow_ops_get(dev, &ops); 267 if (code == 0 && ops == NULL) 268 /* flow API not supported with this device */ 269 code = ENOSYS; 270 271 if (code != 0) { 272 rte_flow_error_set(error, code, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 273 NULL, rte_strerror(code)); 274 return NULL; 275 } 276 return ops; 277 } 278 279 /* Check whether a flow rule can be created on a given port. */ 280 int 281 rte_flow_validate(uint16_t port_id, 282 const struct rte_flow_attr *attr, 283 const struct rte_flow_item pattern[], 284 const struct rte_flow_action actions[], 285 struct rte_flow_error *error) 286 { 287 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 288 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 289 int ret; 290 291 if (unlikely(!ops)) 292 return -rte_errno; 293 if (likely(!!ops->validate)) { 294 fts_enter(dev); 295 ret = ops->validate(dev, attr, pattern, actions, error); 296 fts_exit(dev); 297 return flow_err(port_id, ret, error); 298 } 299 return rte_flow_error_set(error, ENOSYS, 300 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 301 NULL, rte_strerror(ENOSYS)); 302 } 303 304 /* Create a flow rule on a given port. */ 305 struct rte_flow * 306 rte_flow_create(uint16_t port_id, 307 const struct rte_flow_attr *attr, 308 const struct rte_flow_item pattern[], 309 const struct rte_flow_action actions[], 310 struct rte_flow_error *error) 311 { 312 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 313 struct rte_flow *flow; 314 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 315 316 if (unlikely(!ops)) 317 return NULL; 318 if (likely(!!ops->create)) { 319 fts_enter(dev); 320 flow = ops->create(dev, attr, pattern, actions, error); 321 fts_exit(dev); 322 if (flow == NULL) 323 flow_err(port_id, -rte_errno, error); 324 return flow; 325 } 326 rte_flow_error_set(error, ENOSYS, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 327 NULL, rte_strerror(ENOSYS)); 328 return NULL; 329 } 330 331 /* Destroy a flow rule on a given port. */ 332 int 333 rte_flow_destroy(uint16_t port_id, 334 struct rte_flow *flow, 335 struct rte_flow_error *error) 336 { 337 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 338 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 339 int ret; 340 341 if (unlikely(!ops)) 342 return -rte_errno; 343 if (likely(!!ops->destroy)) { 344 fts_enter(dev); 345 ret = ops->destroy(dev, flow, error); 346 fts_exit(dev); 347 return flow_err(port_id, ret, error); 348 } 349 return rte_flow_error_set(error, ENOSYS, 350 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 351 NULL, rte_strerror(ENOSYS)); 352 } 353 354 /* Destroy all flow rules associated with a port. */ 355 int 356 rte_flow_flush(uint16_t port_id, 357 struct rte_flow_error *error) 358 { 359 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 360 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 361 int ret; 362 363 if (unlikely(!ops)) 364 return -rte_errno; 365 if (likely(!!ops->flush)) { 366 fts_enter(dev); 367 ret = ops->flush(dev, error); 368 fts_exit(dev); 369 return flow_err(port_id, ret, error); 370 } 371 return rte_flow_error_set(error, ENOSYS, 372 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 373 NULL, rte_strerror(ENOSYS)); 374 } 375 376 /* Query an existing flow rule. */ 377 int 378 rte_flow_query(uint16_t port_id, 379 struct rte_flow *flow, 380 const struct rte_flow_action *action, 381 void *data, 382 struct rte_flow_error *error) 383 { 384 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 385 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 386 int ret; 387 388 if (!ops) 389 return -rte_errno; 390 if (likely(!!ops->query)) { 391 fts_enter(dev); 392 ret = ops->query(dev, flow, action, data, error); 393 fts_exit(dev); 394 return flow_err(port_id, ret, error); 395 } 396 return rte_flow_error_set(error, ENOSYS, 397 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 398 NULL, rte_strerror(ENOSYS)); 399 } 400 401 /* Restrict ingress traffic to the defined flow rules. */ 402 int 403 rte_flow_isolate(uint16_t port_id, 404 int set, 405 struct rte_flow_error *error) 406 { 407 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 408 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 409 int ret; 410 411 if (!ops) 412 return -rte_errno; 413 if (likely(!!ops->isolate)) { 414 fts_enter(dev); 415 ret = ops->isolate(dev, set, error); 416 fts_exit(dev); 417 return flow_err(port_id, ret, error); 418 } 419 return rte_flow_error_set(error, ENOSYS, 420 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 421 NULL, rte_strerror(ENOSYS)); 422 } 423 424 /* Initialize flow error structure. */ 425 int 426 rte_flow_error_set(struct rte_flow_error *error, 427 int code, 428 enum rte_flow_error_type type, 429 const void *cause, 430 const char *message) 431 { 432 if (error) { 433 *error = (struct rte_flow_error){ 434 .type = type, 435 .cause = cause, 436 .message = message, 437 }; 438 } 439 rte_errno = code; 440 return -code; 441 } 442 443 /** Pattern item specification types. */ 444 enum rte_flow_conv_item_spec_type { 445 RTE_FLOW_CONV_ITEM_SPEC, 446 RTE_FLOW_CONV_ITEM_LAST, 447 RTE_FLOW_CONV_ITEM_MASK, 448 }; 449 450 /** 451 * Copy pattern item specification. 452 * 453 * @param[out] buf 454 * Output buffer. Can be NULL if @p size is zero. 455 * @param size 456 * Size of @p buf in bytes. 457 * @param[in] item 458 * Pattern item to copy specification from. 459 * @param type 460 * Specification selector for either @p spec, @p last or @p mask. 461 * 462 * @return 463 * Number of bytes needed to store pattern item specification regardless 464 * of @p size. @p buf contents are truncated to @p size if not large 465 * enough. 466 */ 467 static size_t 468 rte_flow_conv_item_spec(void *buf, const size_t size, 469 const struct rte_flow_item *item, 470 enum rte_flow_conv_item_spec_type type) 471 { 472 size_t off; 473 const void *data = 474 type == RTE_FLOW_CONV_ITEM_SPEC ? item->spec : 475 type == RTE_FLOW_CONV_ITEM_LAST ? item->last : 476 type == RTE_FLOW_CONV_ITEM_MASK ? item->mask : 477 NULL; 478 479 switch (item->type) { 480 union { 481 const struct rte_flow_item_raw *raw; 482 } spec; 483 union { 484 const struct rte_flow_item_raw *raw; 485 } last; 486 union { 487 const struct rte_flow_item_raw *raw; 488 } mask; 489 union { 490 const struct rte_flow_item_raw *raw; 491 } src; 492 union { 493 struct rte_flow_item_raw *raw; 494 } dst; 495 size_t tmp; 496 497 case RTE_FLOW_ITEM_TYPE_RAW: 498 spec.raw = item->spec; 499 last.raw = item->last ? item->last : item->spec; 500 mask.raw = item->mask ? item->mask : &rte_flow_item_raw_mask; 501 src.raw = data; 502 dst.raw = buf; 503 rte_memcpy(dst.raw, 504 (&(struct rte_flow_item_raw){ 505 .relative = src.raw->relative, 506 .search = src.raw->search, 507 .reserved = src.raw->reserved, 508 .offset = src.raw->offset, 509 .limit = src.raw->limit, 510 .length = src.raw->length, 511 }), 512 size > sizeof(*dst.raw) ? sizeof(*dst.raw) : size); 513 off = sizeof(*dst.raw); 514 if (type == RTE_FLOW_CONV_ITEM_SPEC || 515 (type == RTE_FLOW_CONV_ITEM_MASK && 516 ((spec.raw->length & mask.raw->length) >= 517 (last.raw->length & mask.raw->length)))) 518 tmp = spec.raw->length & mask.raw->length; 519 else 520 tmp = last.raw->length & mask.raw->length; 521 if (tmp) { 522 off = RTE_ALIGN_CEIL(off, sizeof(*dst.raw->pattern)); 523 if (size >= off + tmp) 524 dst.raw->pattern = rte_memcpy 525 ((void *)((uintptr_t)dst.raw + off), 526 src.raw->pattern, tmp); 527 off += tmp; 528 } 529 break; 530 default: 531 /** 532 * allow PMD private flow item 533 */ 534 off = (int)item->type >= 0 ? 535 rte_flow_desc_item[item->type].size : sizeof(void *); 536 rte_memcpy(buf, data, (size > off ? off : size)); 537 break; 538 } 539 return off; 540 } 541 542 /** 543 * Copy action configuration. 544 * 545 * @param[out] buf 546 * Output buffer. Can be NULL if @p size is zero. 547 * @param size 548 * Size of @p buf in bytes. 549 * @param[in] action 550 * Action to copy configuration from. 551 * 552 * @return 553 * Number of bytes needed to store pattern item specification regardless 554 * of @p size. @p buf contents are truncated to @p size if not large 555 * enough. 556 */ 557 static size_t 558 rte_flow_conv_action_conf(void *buf, const size_t size, 559 const struct rte_flow_action *action) 560 { 561 size_t off; 562 563 switch (action->type) { 564 union { 565 const struct rte_flow_action_rss *rss; 566 const struct rte_flow_action_vxlan_encap *vxlan_encap; 567 const struct rte_flow_action_nvgre_encap *nvgre_encap; 568 } src; 569 union { 570 struct rte_flow_action_rss *rss; 571 struct rte_flow_action_vxlan_encap *vxlan_encap; 572 struct rte_flow_action_nvgre_encap *nvgre_encap; 573 } dst; 574 size_t tmp; 575 int ret; 576 577 case RTE_FLOW_ACTION_TYPE_RSS: 578 src.rss = action->conf; 579 dst.rss = buf; 580 rte_memcpy(dst.rss, 581 (&(struct rte_flow_action_rss){ 582 .func = src.rss->func, 583 .level = src.rss->level, 584 .types = src.rss->types, 585 .key_len = src.rss->key_len, 586 .queue_num = src.rss->queue_num, 587 }), 588 size > sizeof(*dst.rss) ? sizeof(*dst.rss) : size); 589 off = sizeof(*dst.rss); 590 if (src.rss->key_len && src.rss->key) { 591 off = RTE_ALIGN_CEIL(off, sizeof(*dst.rss->key)); 592 tmp = sizeof(*src.rss->key) * src.rss->key_len; 593 if (size >= off + tmp) 594 dst.rss->key = rte_memcpy 595 ((void *)((uintptr_t)dst.rss + off), 596 src.rss->key, tmp); 597 off += tmp; 598 } 599 if (src.rss->queue_num) { 600 off = RTE_ALIGN_CEIL(off, sizeof(*dst.rss->queue)); 601 tmp = sizeof(*src.rss->queue) * src.rss->queue_num; 602 if (size >= off + tmp) 603 dst.rss->queue = rte_memcpy 604 ((void *)((uintptr_t)dst.rss + off), 605 src.rss->queue, tmp); 606 off += tmp; 607 } 608 break; 609 case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP: 610 case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP: 611 src.vxlan_encap = action->conf; 612 dst.vxlan_encap = buf; 613 RTE_BUILD_BUG_ON(sizeof(*src.vxlan_encap) != 614 sizeof(*src.nvgre_encap) || 615 offsetof(struct rte_flow_action_vxlan_encap, 616 definition) != 617 offsetof(struct rte_flow_action_nvgre_encap, 618 definition)); 619 off = sizeof(*dst.vxlan_encap); 620 if (src.vxlan_encap->definition) { 621 off = RTE_ALIGN_CEIL 622 (off, sizeof(*dst.vxlan_encap->definition)); 623 ret = rte_flow_conv 624 (RTE_FLOW_CONV_OP_PATTERN, 625 (void *)((uintptr_t)dst.vxlan_encap + off), 626 size > off ? size - off : 0, 627 src.vxlan_encap->definition, NULL); 628 if (ret < 0) 629 return 0; 630 if (size >= off + ret) 631 dst.vxlan_encap->definition = 632 (void *)((uintptr_t)dst.vxlan_encap + 633 off); 634 off += ret; 635 } 636 break; 637 default: 638 /** 639 * allow PMD private flow action 640 */ 641 off = (int)action->type >= 0 ? 642 rte_flow_desc_action[action->type].size : sizeof(void *); 643 rte_memcpy(buf, action->conf, (size > off ? off : size)); 644 break; 645 } 646 return off; 647 } 648 649 /** 650 * Copy a list of pattern items. 651 * 652 * @param[out] dst 653 * Destination buffer. Can be NULL if @p size is zero. 654 * @param size 655 * Size of @p dst in bytes. 656 * @param[in] src 657 * Source pattern items. 658 * @param num 659 * Maximum number of pattern items to process from @p src or 0 to process 660 * the entire list. In both cases, processing stops after 661 * RTE_FLOW_ITEM_TYPE_END is encountered. 662 * @param[out] error 663 * Perform verbose error reporting if not NULL. 664 * 665 * @return 666 * A positive value representing the number of bytes needed to store 667 * pattern items regardless of @p size on success (@p buf contents are 668 * truncated to @p size if not large enough), a negative errno value 669 * otherwise and rte_errno is set. 670 */ 671 static int 672 rte_flow_conv_pattern(struct rte_flow_item *dst, 673 const size_t size, 674 const struct rte_flow_item *src, 675 unsigned int num, 676 struct rte_flow_error *error) 677 { 678 uintptr_t data = (uintptr_t)dst; 679 size_t off; 680 size_t ret; 681 unsigned int i; 682 683 for (i = 0, off = 0; !num || i != num; ++i, ++src, ++dst) { 684 /** 685 * allow PMD private flow item 686 */ 687 if (((int)src->type >= 0) && 688 ((size_t)src->type >= RTE_DIM(rte_flow_desc_item) || 689 !rte_flow_desc_item[src->type].name)) 690 return rte_flow_error_set 691 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, src, 692 "cannot convert unknown item type"); 693 if (size >= off + sizeof(*dst)) 694 *dst = (struct rte_flow_item){ 695 .type = src->type, 696 }; 697 off += sizeof(*dst); 698 if (!src->type) 699 num = i + 1; 700 } 701 num = i; 702 src -= num; 703 dst -= num; 704 do { 705 if (src->spec) { 706 off = RTE_ALIGN_CEIL(off, sizeof(double)); 707 ret = rte_flow_conv_item_spec 708 ((void *)(data + off), 709 size > off ? size - off : 0, src, 710 RTE_FLOW_CONV_ITEM_SPEC); 711 if (size && size >= off + ret) 712 dst->spec = (void *)(data + off); 713 off += ret; 714 715 } 716 if (src->last) { 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_LAST); 722 if (size && size >= off + ret) 723 dst->last = (void *)(data + off); 724 off += ret; 725 } 726 if (src->mask) { 727 off = RTE_ALIGN_CEIL(off, sizeof(double)); 728 ret = rte_flow_conv_item_spec 729 ((void *)(data + off), 730 size > off ? size - off : 0, src, 731 RTE_FLOW_CONV_ITEM_MASK); 732 if (size && size >= off + ret) 733 dst->mask = (void *)(data + off); 734 off += ret; 735 } 736 ++src; 737 ++dst; 738 } while (--num); 739 return off; 740 } 741 742 /** 743 * Copy a list of actions. 744 * 745 * @param[out] dst 746 * Destination buffer. Can be NULL if @p size is zero. 747 * @param size 748 * Size of @p dst in bytes. 749 * @param[in] src 750 * Source actions. 751 * @param num 752 * Maximum number of actions to process from @p src or 0 to process the 753 * entire list. In both cases, processing stops after 754 * RTE_FLOW_ACTION_TYPE_END is encountered. 755 * @param[out] error 756 * Perform verbose error reporting if not NULL. 757 * 758 * @return 759 * A positive value representing the number of bytes needed to store 760 * actions regardless of @p size on success (@p buf contents are truncated 761 * to @p size if not large enough), a negative errno value otherwise and 762 * rte_errno is set. 763 */ 764 static int 765 rte_flow_conv_actions(struct rte_flow_action *dst, 766 const size_t size, 767 const struct rte_flow_action *src, 768 unsigned int num, 769 struct rte_flow_error *error) 770 { 771 uintptr_t data = (uintptr_t)dst; 772 size_t off; 773 size_t ret; 774 unsigned int i; 775 776 for (i = 0, off = 0; !num || i != num; ++i, ++src, ++dst) { 777 /** 778 * allow PMD private flow action 779 */ 780 if (((int)src->type >= 0) && 781 ((size_t)src->type >= RTE_DIM(rte_flow_desc_action) || 782 !rte_flow_desc_action[src->type].name)) 783 return rte_flow_error_set 784 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION, 785 src, "cannot convert unknown action type"); 786 if (size >= off + sizeof(*dst)) 787 *dst = (struct rte_flow_action){ 788 .type = src->type, 789 }; 790 off += sizeof(*dst); 791 if (!src->type) 792 num = i + 1; 793 } 794 num = i; 795 src -= num; 796 dst -= num; 797 do { 798 if (src->conf) { 799 off = RTE_ALIGN_CEIL(off, sizeof(double)); 800 ret = rte_flow_conv_action_conf 801 ((void *)(data + off), 802 size > off ? size - off : 0, src); 803 if (size && size >= off + ret) 804 dst->conf = (void *)(data + off); 805 off += ret; 806 } 807 ++src; 808 ++dst; 809 } while (--num); 810 return off; 811 } 812 813 /** 814 * Copy flow rule components. 815 * 816 * This comprises the flow rule descriptor itself, attributes, pattern and 817 * actions list. NULL components in @p src are skipped. 818 * 819 * @param[out] dst 820 * Destination buffer. Can be NULL if @p size is zero. 821 * @param size 822 * Size of @p dst in bytes. 823 * @param[in] src 824 * Source flow rule descriptor. 825 * @param[out] error 826 * Perform verbose error reporting if not NULL. 827 * 828 * @return 829 * A positive value representing the number of bytes needed to store all 830 * components including the descriptor regardless of @p size on success 831 * (@p buf contents are truncated to @p size if not large enough), a 832 * negative errno value otherwise and rte_errno is set. 833 */ 834 static int 835 rte_flow_conv_rule(struct rte_flow_conv_rule *dst, 836 const size_t size, 837 const struct rte_flow_conv_rule *src, 838 struct rte_flow_error *error) 839 { 840 size_t off; 841 int ret; 842 843 rte_memcpy(dst, 844 (&(struct rte_flow_conv_rule){ 845 .attr = NULL, 846 .pattern = NULL, 847 .actions = NULL, 848 }), 849 size > sizeof(*dst) ? sizeof(*dst) : size); 850 off = sizeof(*dst); 851 if (src->attr_ro) { 852 off = RTE_ALIGN_CEIL(off, sizeof(double)); 853 if (size && size >= off + sizeof(*dst->attr)) 854 dst->attr = rte_memcpy 855 ((void *)((uintptr_t)dst + off), 856 src->attr_ro, sizeof(*dst->attr)); 857 off += sizeof(*dst->attr); 858 } 859 if (src->pattern_ro) { 860 off = RTE_ALIGN_CEIL(off, sizeof(double)); 861 ret = rte_flow_conv_pattern((void *)((uintptr_t)dst + off), 862 size > off ? size - off : 0, 863 src->pattern_ro, 0, error); 864 if (ret < 0) 865 return ret; 866 if (size && size >= off + (size_t)ret) 867 dst->pattern = (void *)((uintptr_t)dst + off); 868 off += ret; 869 } 870 if (src->actions_ro) { 871 off = RTE_ALIGN_CEIL(off, sizeof(double)); 872 ret = rte_flow_conv_actions((void *)((uintptr_t)dst + off), 873 size > off ? size - off : 0, 874 src->actions_ro, 0, error); 875 if (ret < 0) 876 return ret; 877 if (size >= off + (size_t)ret) 878 dst->actions = (void *)((uintptr_t)dst + off); 879 off += ret; 880 } 881 return off; 882 } 883 884 /** 885 * Retrieve the name of a pattern item/action type. 886 * 887 * @param is_action 888 * Nonzero when @p src represents an action type instead of a pattern item 889 * type. 890 * @param is_ptr 891 * Nonzero to write string address instead of contents into @p dst. 892 * @param[out] dst 893 * Destination buffer. Can be NULL if @p size is zero. 894 * @param size 895 * Size of @p dst in bytes. 896 * @param[in] src 897 * Depending on @p is_action, source pattern item or action type cast as a 898 * pointer. 899 * @param[out] error 900 * Perform verbose error reporting if not NULL. 901 * 902 * @return 903 * A positive value representing the number of bytes needed to store the 904 * name or its address regardless of @p size on success (@p buf contents 905 * are truncated to @p size if not large enough), a negative errno value 906 * otherwise and rte_errno is set. 907 */ 908 static int 909 rte_flow_conv_name(int is_action, 910 int is_ptr, 911 char *dst, 912 const size_t size, 913 const void *src, 914 struct rte_flow_error *error) 915 { 916 struct desc_info { 917 const struct rte_flow_desc_data *data; 918 size_t num; 919 }; 920 static const struct desc_info info_rep[2] = { 921 { rte_flow_desc_item, RTE_DIM(rte_flow_desc_item), }, 922 { rte_flow_desc_action, RTE_DIM(rte_flow_desc_action), }, 923 }; 924 const struct desc_info *const info = &info_rep[!!is_action]; 925 unsigned int type = (uintptr_t)src; 926 927 if (type >= info->num) 928 return rte_flow_error_set 929 (error, EINVAL, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, 930 "unknown object type to retrieve the name of"); 931 if (!is_ptr) 932 return strlcpy(dst, info->data[type].name, size); 933 if (size >= sizeof(const char **)) 934 *((const char **)dst) = info->data[type].name; 935 return sizeof(const char **); 936 } 937 938 /** Helper function to convert flow API objects. */ 939 int 940 rte_flow_conv(enum rte_flow_conv_op op, 941 void *dst, 942 size_t size, 943 const void *src, 944 struct rte_flow_error *error) 945 { 946 switch (op) { 947 const struct rte_flow_attr *attr; 948 949 case RTE_FLOW_CONV_OP_NONE: 950 return 0; 951 case RTE_FLOW_CONV_OP_ATTR: 952 attr = src; 953 if (size > sizeof(*attr)) 954 size = sizeof(*attr); 955 rte_memcpy(dst, attr, size); 956 return sizeof(*attr); 957 case RTE_FLOW_CONV_OP_ITEM: 958 return rte_flow_conv_pattern(dst, size, src, 1, error); 959 case RTE_FLOW_CONV_OP_ACTION: 960 return rte_flow_conv_actions(dst, size, src, 1, error); 961 case RTE_FLOW_CONV_OP_PATTERN: 962 return rte_flow_conv_pattern(dst, size, src, 0, error); 963 case RTE_FLOW_CONV_OP_ACTIONS: 964 return rte_flow_conv_actions(dst, size, src, 0, error); 965 case RTE_FLOW_CONV_OP_RULE: 966 return rte_flow_conv_rule(dst, size, src, error); 967 case RTE_FLOW_CONV_OP_ITEM_NAME: 968 return rte_flow_conv_name(0, 0, dst, size, src, error); 969 case RTE_FLOW_CONV_OP_ACTION_NAME: 970 return rte_flow_conv_name(1, 0, dst, size, src, error); 971 case RTE_FLOW_CONV_OP_ITEM_NAME_PTR: 972 return rte_flow_conv_name(0, 1, dst, size, src, error); 973 case RTE_FLOW_CONV_OP_ACTION_NAME_PTR: 974 return rte_flow_conv_name(1, 1, dst, size, src, error); 975 } 976 return rte_flow_error_set 977 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, 978 "unknown object conversion operation"); 979 } 980 981 /** Store a full rte_flow description. */ 982 size_t 983 rte_flow_copy(struct rte_flow_desc *desc, size_t len, 984 const struct rte_flow_attr *attr, 985 const struct rte_flow_item *items, 986 const struct rte_flow_action *actions) 987 { 988 /* 989 * Overlap struct rte_flow_conv with struct rte_flow_desc in order 990 * to convert the former to the latter without wasting space. 991 */ 992 struct rte_flow_conv_rule *dst = 993 len ? 994 (void *)((uintptr_t)desc + 995 (offsetof(struct rte_flow_desc, actions) - 996 offsetof(struct rte_flow_conv_rule, actions))) : 997 NULL; 998 size_t dst_size = 999 len > sizeof(*desc) - sizeof(*dst) ? 1000 len - (sizeof(*desc) - sizeof(*dst)) : 1001 0; 1002 struct rte_flow_conv_rule src = { 1003 .attr_ro = NULL, 1004 .pattern_ro = items, 1005 .actions_ro = actions, 1006 }; 1007 int ret; 1008 1009 RTE_BUILD_BUG_ON(sizeof(struct rte_flow_desc) < 1010 sizeof(struct rte_flow_conv_rule)); 1011 if (dst_size && 1012 (&dst->pattern != &desc->items || 1013 &dst->actions != &desc->actions || 1014 (uintptr_t)(dst + 1) != (uintptr_t)(desc + 1))) { 1015 rte_errno = EINVAL; 1016 return 0; 1017 } 1018 ret = rte_flow_conv(RTE_FLOW_CONV_OP_RULE, dst, dst_size, &src, NULL); 1019 if (ret < 0) 1020 return 0; 1021 ret += sizeof(*desc) - sizeof(*dst); 1022 rte_memcpy(desc, 1023 (&(struct rte_flow_desc){ 1024 .size = ret, 1025 .attr = *attr, 1026 .items = dst_size ? dst->pattern : NULL, 1027 .actions = dst_size ? dst->actions : NULL, 1028 }), 1029 len > sizeof(*desc) ? sizeof(*desc) : len); 1030 return ret; 1031 } 1032 1033 int 1034 rte_flow_dev_dump(uint16_t port_id, struct rte_flow *flow, 1035 FILE *file, struct rte_flow_error *error) 1036 { 1037 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1038 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1039 int ret; 1040 1041 if (unlikely(!ops)) 1042 return -rte_errno; 1043 if (likely(!!ops->dev_dump)) { 1044 fts_enter(dev); 1045 ret = ops->dev_dump(dev, flow, file, error); 1046 fts_exit(dev); 1047 return flow_err(port_id, ret, error); 1048 } 1049 return rte_flow_error_set(error, ENOSYS, 1050 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1051 NULL, rte_strerror(ENOSYS)); 1052 } 1053 1054 int 1055 rte_flow_get_aged_flows(uint16_t port_id, void **contexts, 1056 uint32_t nb_contexts, struct rte_flow_error *error) 1057 { 1058 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1059 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1060 int ret; 1061 1062 if (unlikely(!ops)) 1063 return -rte_errno; 1064 if (likely(!!ops->get_aged_flows)) { 1065 fts_enter(dev); 1066 ret = ops->get_aged_flows(dev, contexts, nb_contexts, error); 1067 fts_exit(dev); 1068 return flow_err(port_id, ret, error); 1069 } 1070 return rte_flow_error_set(error, ENOTSUP, 1071 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1072 NULL, rte_strerror(ENOTSUP)); 1073 } 1074 1075 struct rte_flow_action_handle * 1076 rte_flow_action_handle_create(uint16_t port_id, 1077 const struct rte_flow_indir_action_conf *conf, 1078 const struct rte_flow_action *action, 1079 struct rte_flow_error *error) 1080 { 1081 struct rte_flow_action_handle *handle; 1082 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1083 1084 if (unlikely(!ops)) 1085 return NULL; 1086 if (unlikely(!ops->action_handle_create)) { 1087 rte_flow_error_set(error, ENOSYS, 1088 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, 1089 rte_strerror(ENOSYS)); 1090 return NULL; 1091 } 1092 handle = ops->action_handle_create(&rte_eth_devices[port_id], 1093 conf, action, error); 1094 if (handle == NULL) 1095 flow_err(port_id, -rte_errno, error); 1096 return handle; 1097 } 1098 1099 int 1100 rte_flow_action_handle_destroy(uint16_t port_id, 1101 struct rte_flow_action_handle *handle, 1102 struct rte_flow_error *error) 1103 { 1104 int ret; 1105 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1106 1107 if (unlikely(!ops)) 1108 return -rte_errno; 1109 if (unlikely(!ops->action_handle_destroy)) 1110 return rte_flow_error_set(error, ENOSYS, 1111 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1112 NULL, rte_strerror(ENOSYS)); 1113 ret = ops->action_handle_destroy(&rte_eth_devices[port_id], 1114 handle, error); 1115 return flow_err(port_id, ret, error); 1116 } 1117 1118 int 1119 rte_flow_action_handle_update(uint16_t port_id, 1120 struct rte_flow_action_handle *handle, 1121 const void *update, 1122 struct rte_flow_error *error) 1123 { 1124 int ret; 1125 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1126 1127 if (unlikely(!ops)) 1128 return -rte_errno; 1129 if (unlikely(!ops->action_handle_update)) 1130 return rte_flow_error_set(error, ENOSYS, 1131 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1132 NULL, rte_strerror(ENOSYS)); 1133 ret = ops->action_handle_update(&rte_eth_devices[port_id], handle, 1134 update, error); 1135 return flow_err(port_id, ret, error); 1136 } 1137 1138 int 1139 rte_flow_action_handle_query(uint16_t port_id, 1140 const struct rte_flow_action_handle *handle, 1141 void *data, 1142 struct rte_flow_error *error) 1143 { 1144 int ret; 1145 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1146 1147 if (unlikely(!ops)) 1148 return -rte_errno; 1149 if (unlikely(!ops->action_handle_query)) 1150 return rte_flow_error_set(error, ENOSYS, 1151 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1152 NULL, rte_strerror(ENOSYS)); 1153 ret = ops->action_handle_query(&rte_eth_devices[port_id], handle, 1154 data, error); 1155 return flow_err(port_id, ret, error); 1156 } 1157 1158 int 1159 rte_flow_tunnel_decap_set(uint16_t port_id, 1160 struct rte_flow_tunnel *tunnel, 1161 struct rte_flow_action **actions, 1162 uint32_t *num_of_actions, 1163 struct rte_flow_error *error) 1164 { 1165 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1166 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1167 1168 if (unlikely(!ops)) 1169 return -rte_errno; 1170 if (likely(!!ops->tunnel_decap_set)) { 1171 return flow_err(port_id, 1172 ops->tunnel_decap_set(dev, tunnel, actions, 1173 num_of_actions, error), 1174 error); 1175 } 1176 return rte_flow_error_set(error, ENOTSUP, 1177 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1178 NULL, rte_strerror(ENOTSUP)); 1179 } 1180 1181 int 1182 rte_flow_tunnel_match(uint16_t port_id, 1183 struct rte_flow_tunnel *tunnel, 1184 struct rte_flow_item **items, 1185 uint32_t *num_of_items, 1186 struct rte_flow_error *error) 1187 { 1188 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1189 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1190 1191 if (unlikely(!ops)) 1192 return -rte_errno; 1193 if (likely(!!ops->tunnel_match)) { 1194 return flow_err(port_id, 1195 ops->tunnel_match(dev, tunnel, items, 1196 num_of_items, error), 1197 error); 1198 } 1199 return rte_flow_error_set(error, ENOTSUP, 1200 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1201 NULL, rte_strerror(ENOTSUP)); 1202 } 1203 1204 int 1205 rte_flow_get_restore_info(uint16_t port_id, 1206 struct rte_mbuf *m, 1207 struct rte_flow_restore_info *restore_info, 1208 struct rte_flow_error *error) 1209 { 1210 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1211 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1212 1213 if (unlikely(!ops)) 1214 return -rte_errno; 1215 if (likely(!!ops->get_restore_info)) { 1216 return flow_err(port_id, 1217 ops->get_restore_info(dev, m, restore_info, 1218 error), 1219 error); 1220 } 1221 return rte_flow_error_set(error, ENOTSUP, 1222 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1223 NULL, rte_strerror(ENOTSUP)); 1224 } 1225 1226 int 1227 rte_flow_tunnel_action_decap_release(uint16_t port_id, 1228 struct rte_flow_action *actions, 1229 uint32_t num_of_actions, 1230 struct rte_flow_error *error) 1231 { 1232 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1233 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1234 1235 if (unlikely(!ops)) 1236 return -rte_errno; 1237 if (likely(!!ops->tunnel_action_decap_release)) { 1238 return flow_err(port_id, 1239 ops->tunnel_action_decap_release(dev, actions, 1240 num_of_actions, 1241 error), 1242 error); 1243 } 1244 return rte_flow_error_set(error, ENOTSUP, 1245 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1246 NULL, rte_strerror(ENOTSUP)); 1247 } 1248 1249 int 1250 rte_flow_tunnel_item_release(uint16_t port_id, 1251 struct rte_flow_item *items, 1252 uint32_t num_of_items, 1253 struct rte_flow_error *error) 1254 { 1255 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1256 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1257 1258 if (unlikely(!ops)) 1259 return -rte_errno; 1260 if (likely(!!ops->tunnel_item_release)) { 1261 return flow_err(port_id, 1262 ops->tunnel_item_release(dev, items, 1263 num_of_items, error), 1264 error); 1265 } 1266 return rte_flow_error_set(error, ENOTSUP, 1267 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1268 NULL, rte_strerror(ENOTSUP)); 1269 } 1270