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 MK_FLOW_ITEM(REPRESENTED_PORT, sizeof(struct rte_flow_item_ethdev)), 105 }; 106 107 /** Generate flow_action[] entry. */ 108 #define MK_FLOW_ACTION(t, s) \ 109 [RTE_FLOW_ACTION_TYPE_ ## t] = { \ 110 .name = # t, \ 111 .size = s, \ 112 } 113 114 /** Information about known flow actions. */ 115 static const struct rte_flow_desc_data rte_flow_desc_action[] = { 116 MK_FLOW_ACTION(END, 0), 117 MK_FLOW_ACTION(VOID, 0), 118 MK_FLOW_ACTION(PASSTHRU, 0), 119 MK_FLOW_ACTION(JUMP, sizeof(struct rte_flow_action_jump)), 120 MK_FLOW_ACTION(MARK, sizeof(struct rte_flow_action_mark)), 121 MK_FLOW_ACTION(FLAG, 0), 122 MK_FLOW_ACTION(QUEUE, sizeof(struct rte_flow_action_queue)), 123 MK_FLOW_ACTION(DROP, 0), 124 MK_FLOW_ACTION(COUNT, sizeof(struct rte_flow_action_count)), 125 MK_FLOW_ACTION(RSS, sizeof(struct rte_flow_action_rss)), 126 MK_FLOW_ACTION(PF, 0), 127 MK_FLOW_ACTION(VF, sizeof(struct rte_flow_action_vf)), 128 MK_FLOW_ACTION(PHY_PORT, sizeof(struct rte_flow_action_phy_port)), 129 MK_FLOW_ACTION(PORT_ID, sizeof(struct rte_flow_action_port_id)), 130 MK_FLOW_ACTION(METER, sizeof(struct rte_flow_action_meter)), 131 MK_FLOW_ACTION(SECURITY, sizeof(struct rte_flow_action_security)), 132 MK_FLOW_ACTION(OF_SET_MPLS_TTL, 133 sizeof(struct rte_flow_action_of_set_mpls_ttl)), 134 MK_FLOW_ACTION(OF_DEC_MPLS_TTL, 0), 135 MK_FLOW_ACTION(OF_SET_NW_TTL, 136 sizeof(struct rte_flow_action_of_set_nw_ttl)), 137 MK_FLOW_ACTION(OF_DEC_NW_TTL, 0), 138 MK_FLOW_ACTION(OF_COPY_TTL_OUT, 0), 139 MK_FLOW_ACTION(OF_COPY_TTL_IN, 0), 140 MK_FLOW_ACTION(OF_POP_VLAN, 0), 141 MK_FLOW_ACTION(OF_PUSH_VLAN, 142 sizeof(struct rte_flow_action_of_push_vlan)), 143 MK_FLOW_ACTION(OF_SET_VLAN_VID, 144 sizeof(struct rte_flow_action_of_set_vlan_vid)), 145 MK_FLOW_ACTION(OF_SET_VLAN_PCP, 146 sizeof(struct rte_flow_action_of_set_vlan_pcp)), 147 MK_FLOW_ACTION(OF_POP_MPLS, 148 sizeof(struct rte_flow_action_of_pop_mpls)), 149 MK_FLOW_ACTION(OF_PUSH_MPLS, 150 sizeof(struct rte_flow_action_of_push_mpls)), 151 MK_FLOW_ACTION(VXLAN_ENCAP, sizeof(struct rte_flow_action_vxlan_encap)), 152 MK_FLOW_ACTION(VXLAN_DECAP, 0), 153 MK_FLOW_ACTION(NVGRE_ENCAP, sizeof(struct rte_flow_action_vxlan_encap)), 154 MK_FLOW_ACTION(NVGRE_DECAP, 0), 155 MK_FLOW_ACTION(RAW_ENCAP, sizeof(struct rte_flow_action_raw_encap)), 156 MK_FLOW_ACTION(RAW_DECAP, sizeof(struct rte_flow_action_raw_decap)), 157 MK_FLOW_ACTION(SET_IPV4_SRC, 158 sizeof(struct rte_flow_action_set_ipv4)), 159 MK_FLOW_ACTION(SET_IPV4_DST, 160 sizeof(struct rte_flow_action_set_ipv4)), 161 MK_FLOW_ACTION(SET_IPV6_SRC, 162 sizeof(struct rte_flow_action_set_ipv6)), 163 MK_FLOW_ACTION(SET_IPV6_DST, 164 sizeof(struct rte_flow_action_set_ipv6)), 165 MK_FLOW_ACTION(SET_TP_SRC, 166 sizeof(struct rte_flow_action_set_tp)), 167 MK_FLOW_ACTION(SET_TP_DST, 168 sizeof(struct rte_flow_action_set_tp)), 169 MK_FLOW_ACTION(MAC_SWAP, 0), 170 MK_FLOW_ACTION(DEC_TTL, 0), 171 MK_FLOW_ACTION(SET_TTL, sizeof(struct rte_flow_action_set_ttl)), 172 MK_FLOW_ACTION(SET_MAC_SRC, sizeof(struct rte_flow_action_set_mac)), 173 MK_FLOW_ACTION(SET_MAC_DST, sizeof(struct rte_flow_action_set_mac)), 174 MK_FLOW_ACTION(INC_TCP_SEQ, sizeof(rte_be32_t)), 175 MK_FLOW_ACTION(DEC_TCP_SEQ, sizeof(rte_be32_t)), 176 MK_FLOW_ACTION(INC_TCP_ACK, sizeof(rte_be32_t)), 177 MK_FLOW_ACTION(DEC_TCP_ACK, sizeof(rte_be32_t)), 178 MK_FLOW_ACTION(SET_TAG, sizeof(struct rte_flow_action_set_tag)), 179 MK_FLOW_ACTION(SET_META, sizeof(struct rte_flow_action_set_meta)), 180 MK_FLOW_ACTION(SET_IPV4_DSCP, sizeof(struct rte_flow_action_set_dscp)), 181 MK_FLOW_ACTION(SET_IPV6_DSCP, sizeof(struct rte_flow_action_set_dscp)), 182 MK_FLOW_ACTION(AGE, sizeof(struct rte_flow_action_age)), 183 MK_FLOW_ACTION(SAMPLE, sizeof(struct rte_flow_action_sample)), 184 MK_FLOW_ACTION(MODIFY_FIELD, 185 sizeof(struct rte_flow_action_modify_field)), 186 /** 187 * Indirect action represented as handle of type 188 * (struct rte_flow_action_handle *) stored in conf field (see 189 * struct rte_flow_action); no need for additional structure to * store 190 * indirect action handle. 191 */ 192 MK_FLOW_ACTION(INDIRECT, 0), 193 MK_FLOW_ACTION(CONNTRACK, sizeof(struct rte_flow_action_conntrack)), 194 MK_FLOW_ACTION(PORT_REPRESENTOR, sizeof(struct rte_flow_action_ethdev)), 195 }; 196 197 int 198 rte_flow_dynf_metadata_register(void) 199 { 200 int offset; 201 int flag; 202 203 static const struct rte_mbuf_dynfield desc_offs = { 204 .name = RTE_MBUF_DYNFIELD_METADATA_NAME, 205 .size = sizeof(uint32_t), 206 .align = __alignof__(uint32_t), 207 }; 208 static const struct rte_mbuf_dynflag desc_flag = { 209 .name = RTE_MBUF_DYNFLAG_METADATA_NAME, 210 }; 211 212 offset = rte_mbuf_dynfield_register(&desc_offs); 213 if (offset < 0) 214 goto error; 215 flag = rte_mbuf_dynflag_register(&desc_flag); 216 if (flag < 0) 217 goto error; 218 rte_flow_dynf_metadata_offs = offset; 219 rte_flow_dynf_metadata_mask = (1ULL << flag); 220 return 0; 221 222 error: 223 rte_flow_dynf_metadata_offs = -1; 224 rte_flow_dynf_metadata_mask = 0ULL; 225 return -rte_errno; 226 } 227 228 static inline void 229 fts_enter(struct rte_eth_dev *dev) 230 { 231 if (!(dev->data->dev_flags & RTE_ETH_DEV_FLOW_OPS_THREAD_SAFE)) 232 pthread_mutex_lock(&dev->data->flow_ops_mutex); 233 } 234 235 static inline void 236 fts_exit(struct rte_eth_dev *dev) 237 { 238 if (!(dev->data->dev_flags & RTE_ETH_DEV_FLOW_OPS_THREAD_SAFE)) 239 pthread_mutex_unlock(&dev->data->flow_ops_mutex); 240 } 241 242 static int 243 flow_err(uint16_t port_id, int ret, struct rte_flow_error *error) 244 { 245 if (ret == 0) 246 return 0; 247 if (rte_eth_dev_is_removed(port_id)) 248 return rte_flow_error_set(error, EIO, 249 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 250 NULL, rte_strerror(EIO)); 251 return ret; 252 } 253 254 /* Get generic flow operations structure from a port. */ 255 const struct rte_flow_ops * 256 rte_flow_ops_get(uint16_t port_id, struct rte_flow_error *error) 257 { 258 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 259 const struct rte_flow_ops *ops; 260 int code; 261 262 if (unlikely(!rte_eth_dev_is_valid_port(port_id))) 263 code = ENODEV; 264 else if (unlikely(dev->dev_ops->flow_ops_get == NULL)) 265 /* flow API not supported with this driver dev_ops */ 266 code = ENOSYS; 267 else 268 code = dev->dev_ops->flow_ops_get(dev, &ops); 269 if (code == 0 && ops == NULL) 270 /* flow API not supported with this device */ 271 code = ENOSYS; 272 273 if (code != 0) { 274 rte_flow_error_set(error, code, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 275 NULL, rte_strerror(code)); 276 return NULL; 277 } 278 return ops; 279 } 280 281 /* Check whether a flow rule can be created on a given port. */ 282 int 283 rte_flow_validate(uint16_t port_id, 284 const struct rte_flow_attr *attr, 285 const struct rte_flow_item pattern[], 286 const struct rte_flow_action actions[], 287 struct rte_flow_error *error) 288 { 289 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 290 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 291 int ret; 292 293 if (unlikely(!ops)) 294 return -rte_errno; 295 if (likely(!!ops->validate)) { 296 fts_enter(dev); 297 ret = ops->validate(dev, attr, pattern, actions, error); 298 fts_exit(dev); 299 return flow_err(port_id, ret, error); 300 } 301 return rte_flow_error_set(error, ENOSYS, 302 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 303 NULL, rte_strerror(ENOSYS)); 304 } 305 306 /* Create a flow rule on a given port. */ 307 struct rte_flow * 308 rte_flow_create(uint16_t port_id, 309 const struct rte_flow_attr *attr, 310 const struct rte_flow_item pattern[], 311 const struct rte_flow_action actions[], 312 struct rte_flow_error *error) 313 { 314 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 315 struct rte_flow *flow; 316 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 317 318 if (unlikely(!ops)) 319 return NULL; 320 if (likely(!!ops->create)) { 321 fts_enter(dev); 322 flow = ops->create(dev, attr, pattern, actions, error); 323 fts_exit(dev); 324 if (flow == NULL) 325 flow_err(port_id, -rte_errno, error); 326 return flow; 327 } 328 rte_flow_error_set(error, ENOSYS, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 329 NULL, rte_strerror(ENOSYS)); 330 return NULL; 331 } 332 333 /* Destroy a flow rule on a given port. */ 334 int 335 rte_flow_destroy(uint16_t port_id, 336 struct rte_flow *flow, 337 struct rte_flow_error *error) 338 { 339 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 340 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 341 int ret; 342 343 if (unlikely(!ops)) 344 return -rte_errno; 345 if (likely(!!ops->destroy)) { 346 fts_enter(dev); 347 ret = ops->destroy(dev, flow, error); 348 fts_exit(dev); 349 return flow_err(port_id, ret, error); 350 } 351 return rte_flow_error_set(error, ENOSYS, 352 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 353 NULL, rte_strerror(ENOSYS)); 354 } 355 356 /* Destroy all flow rules associated with a port. */ 357 int 358 rte_flow_flush(uint16_t port_id, 359 struct rte_flow_error *error) 360 { 361 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 362 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 363 int ret; 364 365 if (unlikely(!ops)) 366 return -rte_errno; 367 if (likely(!!ops->flush)) { 368 fts_enter(dev); 369 ret = ops->flush(dev, error); 370 fts_exit(dev); 371 return flow_err(port_id, ret, error); 372 } 373 return rte_flow_error_set(error, ENOSYS, 374 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 375 NULL, rte_strerror(ENOSYS)); 376 } 377 378 /* Query an existing flow rule. */ 379 int 380 rte_flow_query(uint16_t port_id, 381 struct rte_flow *flow, 382 const struct rte_flow_action *action, 383 void *data, 384 struct rte_flow_error *error) 385 { 386 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 387 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 388 int ret; 389 390 if (!ops) 391 return -rte_errno; 392 if (likely(!!ops->query)) { 393 fts_enter(dev); 394 ret = ops->query(dev, flow, action, data, error); 395 fts_exit(dev); 396 return flow_err(port_id, ret, error); 397 } 398 return rte_flow_error_set(error, ENOSYS, 399 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 400 NULL, rte_strerror(ENOSYS)); 401 } 402 403 /* Restrict ingress traffic to the defined flow rules. */ 404 int 405 rte_flow_isolate(uint16_t port_id, 406 int set, 407 struct rte_flow_error *error) 408 { 409 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 410 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 411 int ret; 412 413 if (!ops) 414 return -rte_errno; 415 if (likely(!!ops->isolate)) { 416 fts_enter(dev); 417 ret = ops->isolate(dev, set, error); 418 fts_exit(dev); 419 return flow_err(port_id, ret, error); 420 } 421 return rte_flow_error_set(error, ENOSYS, 422 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 423 NULL, rte_strerror(ENOSYS)); 424 } 425 426 /* Initialize flow error structure. */ 427 int 428 rte_flow_error_set(struct rte_flow_error *error, 429 int code, 430 enum rte_flow_error_type type, 431 const void *cause, 432 const char *message) 433 { 434 if (error) { 435 *error = (struct rte_flow_error){ 436 .type = type, 437 .cause = cause, 438 .message = message, 439 }; 440 } 441 rte_errno = code; 442 return -code; 443 } 444 445 /** Pattern item specification types. */ 446 enum rte_flow_conv_item_spec_type { 447 RTE_FLOW_CONV_ITEM_SPEC, 448 RTE_FLOW_CONV_ITEM_LAST, 449 RTE_FLOW_CONV_ITEM_MASK, 450 }; 451 452 /** 453 * Copy pattern item specification. 454 * 455 * @param[out] buf 456 * Output buffer. Can be NULL if @p size is zero. 457 * @param size 458 * Size of @p buf in bytes. 459 * @param[in] item 460 * Pattern item to copy specification from. 461 * @param type 462 * Specification selector for either @p spec, @p last or @p mask. 463 * 464 * @return 465 * Number of bytes needed to store pattern item specification regardless 466 * of @p size. @p buf contents are truncated to @p size if not large 467 * enough. 468 */ 469 static size_t 470 rte_flow_conv_item_spec(void *buf, const size_t size, 471 const struct rte_flow_item *item, 472 enum rte_flow_conv_item_spec_type type) 473 { 474 size_t off; 475 const void *data = 476 type == RTE_FLOW_CONV_ITEM_SPEC ? item->spec : 477 type == RTE_FLOW_CONV_ITEM_LAST ? item->last : 478 type == RTE_FLOW_CONV_ITEM_MASK ? item->mask : 479 NULL; 480 481 switch (item->type) { 482 union { 483 const struct rte_flow_item_raw *raw; 484 } spec; 485 union { 486 const struct rte_flow_item_raw *raw; 487 } last; 488 union { 489 const struct rte_flow_item_raw *raw; 490 } mask; 491 union { 492 const struct rte_flow_item_raw *raw; 493 } src; 494 union { 495 struct rte_flow_item_raw *raw; 496 } dst; 497 size_t tmp; 498 499 case RTE_FLOW_ITEM_TYPE_RAW: 500 spec.raw = item->spec; 501 last.raw = item->last ? item->last : item->spec; 502 mask.raw = item->mask ? item->mask : &rte_flow_item_raw_mask; 503 src.raw = data; 504 dst.raw = buf; 505 rte_memcpy(dst.raw, 506 (&(struct rte_flow_item_raw){ 507 .relative = src.raw->relative, 508 .search = src.raw->search, 509 .reserved = src.raw->reserved, 510 .offset = src.raw->offset, 511 .limit = src.raw->limit, 512 .length = src.raw->length, 513 }), 514 size > sizeof(*dst.raw) ? sizeof(*dst.raw) : size); 515 off = sizeof(*dst.raw); 516 if (type == RTE_FLOW_CONV_ITEM_SPEC || 517 (type == RTE_FLOW_CONV_ITEM_MASK && 518 ((spec.raw->length & mask.raw->length) >= 519 (last.raw->length & mask.raw->length)))) 520 tmp = spec.raw->length & mask.raw->length; 521 else 522 tmp = last.raw->length & mask.raw->length; 523 if (tmp) { 524 off = RTE_ALIGN_CEIL(off, sizeof(*dst.raw->pattern)); 525 if (size >= off + tmp) 526 dst.raw->pattern = rte_memcpy 527 ((void *)((uintptr_t)dst.raw + off), 528 src.raw->pattern, tmp); 529 off += tmp; 530 } 531 break; 532 default: 533 /** 534 * allow PMD private flow item 535 */ 536 off = (int)item->type >= 0 ? 537 rte_flow_desc_item[item->type].size : sizeof(void *); 538 rte_memcpy(buf, data, (size > off ? off : size)); 539 break; 540 } 541 return off; 542 } 543 544 /** 545 * Copy action configuration. 546 * 547 * @param[out] buf 548 * Output buffer. Can be NULL if @p size is zero. 549 * @param size 550 * Size of @p buf in bytes. 551 * @param[in] action 552 * Action to copy configuration from. 553 * 554 * @return 555 * Number of bytes needed to store pattern item specification regardless 556 * of @p size. @p buf contents are truncated to @p size if not large 557 * enough. 558 */ 559 static size_t 560 rte_flow_conv_action_conf(void *buf, const size_t size, 561 const struct rte_flow_action *action) 562 { 563 size_t off; 564 565 switch (action->type) { 566 union { 567 const struct rte_flow_action_rss *rss; 568 const struct rte_flow_action_vxlan_encap *vxlan_encap; 569 const struct rte_flow_action_nvgre_encap *nvgre_encap; 570 } src; 571 union { 572 struct rte_flow_action_rss *rss; 573 struct rte_flow_action_vxlan_encap *vxlan_encap; 574 struct rte_flow_action_nvgre_encap *nvgre_encap; 575 } dst; 576 size_t tmp; 577 int ret; 578 579 case RTE_FLOW_ACTION_TYPE_RSS: 580 src.rss = action->conf; 581 dst.rss = buf; 582 rte_memcpy(dst.rss, 583 (&(struct rte_flow_action_rss){ 584 .func = src.rss->func, 585 .level = src.rss->level, 586 .types = src.rss->types, 587 .key_len = src.rss->key_len, 588 .queue_num = src.rss->queue_num, 589 }), 590 size > sizeof(*dst.rss) ? sizeof(*dst.rss) : size); 591 off = sizeof(*dst.rss); 592 if (src.rss->key_len && src.rss->key) { 593 off = RTE_ALIGN_CEIL(off, sizeof(*dst.rss->key)); 594 tmp = sizeof(*src.rss->key) * src.rss->key_len; 595 if (size >= off + tmp) 596 dst.rss->key = rte_memcpy 597 ((void *)((uintptr_t)dst.rss + off), 598 src.rss->key, tmp); 599 off += tmp; 600 } 601 if (src.rss->queue_num) { 602 off = RTE_ALIGN_CEIL(off, sizeof(*dst.rss->queue)); 603 tmp = sizeof(*src.rss->queue) * src.rss->queue_num; 604 if (size >= off + tmp) 605 dst.rss->queue = rte_memcpy 606 ((void *)((uintptr_t)dst.rss + off), 607 src.rss->queue, tmp); 608 off += tmp; 609 } 610 break; 611 case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP: 612 case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP: 613 src.vxlan_encap = action->conf; 614 dst.vxlan_encap = buf; 615 RTE_BUILD_BUG_ON(sizeof(*src.vxlan_encap) != 616 sizeof(*src.nvgre_encap) || 617 offsetof(struct rte_flow_action_vxlan_encap, 618 definition) != 619 offsetof(struct rte_flow_action_nvgre_encap, 620 definition)); 621 off = sizeof(*dst.vxlan_encap); 622 if (src.vxlan_encap->definition) { 623 off = RTE_ALIGN_CEIL 624 (off, sizeof(*dst.vxlan_encap->definition)); 625 ret = rte_flow_conv 626 (RTE_FLOW_CONV_OP_PATTERN, 627 (void *)((uintptr_t)dst.vxlan_encap + off), 628 size > off ? size - off : 0, 629 src.vxlan_encap->definition, NULL); 630 if (ret < 0) 631 return 0; 632 if (size >= off + ret) 633 dst.vxlan_encap->definition = 634 (void *)((uintptr_t)dst.vxlan_encap + 635 off); 636 off += ret; 637 } 638 break; 639 default: 640 /** 641 * allow PMD private flow action 642 */ 643 off = (int)action->type >= 0 ? 644 rte_flow_desc_action[action->type].size : sizeof(void *); 645 rte_memcpy(buf, action->conf, (size > off ? off : size)); 646 break; 647 } 648 return off; 649 } 650 651 /** 652 * Copy a list of pattern items. 653 * 654 * @param[out] dst 655 * Destination buffer. Can be NULL if @p size is zero. 656 * @param size 657 * Size of @p dst in bytes. 658 * @param[in] src 659 * Source pattern items. 660 * @param num 661 * Maximum number of pattern items to process from @p src or 0 to process 662 * the entire list. In both cases, processing stops after 663 * RTE_FLOW_ITEM_TYPE_END is encountered. 664 * @param[out] error 665 * Perform verbose error reporting if not NULL. 666 * 667 * @return 668 * A positive value representing the number of bytes needed to store 669 * pattern items regardless of @p size on success (@p buf contents are 670 * truncated to @p size if not large enough), a negative errno value 671 * otherwise and rte_errno is set. 672 */ 673 static int 674 rte_flow_conv_pattern(struct rte_flow_item *dst, 675 const size_t size, 676 const struct rte_flow_item *src, 677 unsigned int num, 678 struct rte_flow_error *error) 679 { 680 uintptr_t data = (uintptr_t)dst; 681 size_t off; 682 size_t ret; 683 unsigned int i; 684 685 for (i = 0, off = 0; !num || i != num; ++i, ++src, ++dst) { 686 /** 687 * allow PMD private flow item 688 */ 689 if (((int)src->type >= 0) && 690 ((size_t)src->type >= RTE_DIM(rte_flow_desc_item) || 691 !rte_flow_desc_item[src->type].name)) 692 return rte_flow_error_set 693 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, src, 694 "cannot convert unknown item type"); 695 if (size >= off + sizeof(*dst)) 696 *dst = (struct rte_flow_item){ 697 .type = src->type, 698 }; 699 off += sizeof(*dst); 700 if (!src->type) 701 num = i + 1; 702 } 703 num = i; 704 src -= num; 705 dst -= num; 706 do { 707 if (src->spec) { 708 off = RTE_ALIGN_CEIL(off, sizeof(double)); 709 ret = rte_flow_conv_item_spec 710 ((void *)(data + off), 711 size > off ? size - off : 0, src, 712 RTE_FLOW_CONV_ITEM_SPEC); 713 if (size && size >= off + ret) 714 dst->spec = (void *)(data + off); 715 off += ret; 716 717 } 718 if (src->last) { 719 off = RTE_ALIGN_CEIL(off, sizeof(double)); 720 ret = rte_flow_conv_item_spec 721 ((void *)(data + off), 722 size > off ? size - off : 0, src, 723 RTE_FLOW_CONV_ITEM_LAST); 724 if (size && size >= off + ret) 725 dst->last = (void *)(data + off); 726 off += ret; 727 } 728 if (src->mask) { 729 off = RTE_ALIGN_CEIL(off, sizeof(double)); 730 ret = rte_flow_conv_item_spec 731 ((void *)(data + off), 732 size > off ? size - off : 0, src, 733 RTE_FLOW_CONV_ITEM_MASK); 734 if (size && size >= off + ret) 735 dst->mask = (void *)(data + off); 736 off += ret; 737 } 738 ++src; 739 ++dst; 740 } while (--num); 741 return off; 742 } 743 744 /** 745 * Copy a list of actions. 746 * 747 * @param[out] dst 748 * Destination buffer. Can be NULL if @p size is zero. 749 * @param size 750 * Size of @p dst in bytes. 751 * @param[in] src 752 * Source actions. 753 * @param num 754 * Maximum number of actions to process from @p src or 0 to process the 755 * entire list. In both cases, processing stops after 756 * RTE_FLOW_ACTION_TYPE_END is encountered. 757 * @param[out] error 758 * Perform verbose error reporting if not NULL. 759 * 760 * @return 761 * A positive value representing the number of bytes needed to store 762 * actions regardless of @p size on success (@p buf contents are truncated 763 * to @p size if not large enough), a negative errno value otherwise and 764 * rte_errno is set. 765 */ 766 static int 767 rte_flow_conv_actions(struct rte_flow_action *dst, 768 const size_t size, 769 const struct rte_flow_action *src, 770 unsigned int num, 771 struct rte_flow_error *error) 772 { 773 uintptr_t data = (uintptr_t)dst; 774 size_t off; 775 size_t ret; 776 unsigned int i; 777 778 for (i = 0, off = 0; !num || i != num; ++i, ++src, ++dst) { 779 /** 780 * allow PMD private flow action 781 */ 782 if (((int)src->type >= 0) && 783 ((size_t)src->type >= RTE_DIM(rte_flow_desc_action) || 784 !rte_flow_desc_action[src->type].name)) 785 return rte_flow_error_set 786 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION, 787 src, "cannot convert unknown action type"); 788 if (size >= off + sizeof(*dst)) 789 *dst = (struct rte_flow_action){ 790 .type = src->type, 791 }; 792 off += sizeof(*dst); 793 if (!src->type) 794 num = i + 1; 795 } 796 num = i; 797 src -= num; 798 dst -= num; 799 do { 800 if (src->conf) { 801 off = RTE_ALIGN_CEIL(off, sizeof(double)); 802 ret = rte_flow_conv_action_conf 803 ((void *)(data + off), 804 size > off ? size - off : 0, src); 805 if (size && size >= off + ret) 806 dst->conf = (void *)(data + off); 807 off += ret; 808 } 809 ++src; 810 ++dst; 811 } while (--num); 812 return off; 813 } 814 815 /** 816 * Copy flow rule components. 817 * 818 * This comprises the flow rule descriptor itself, attributes, pattern and 819 * actions list. NULL components in @p src are skipped. 820 * 821 * @param[out] dst 822 * Destination buffer. Can be NULL if @p size is zero. 823 * @param size 824 * Size of @p dst in bytes. 825 * @param[in] src 826 * Source flow rule descriptor. 827 * @param[out] error 828 * Perform verbose error reporting if not NULL. 829 * 830 * @return 831 * A positive value representing the number of bytes needed to store all 832 * components including the descriptor regardless of @p size on success 833 * (@p buf contents are truncated to @p size if not large enough), a 834 * negative errno value otherwise and rte_errno is set. 835 */ 836 static int 837 rte_flow_conv_rule(struct rte_flow_conv_rule *dst, 838 const size_t size, 839 const struct rte_flow_conv_rule *src, 840 struct rte_flow_error *error) 841 { 842 size_t off; 843 int ret; 844 845 rte_memcpy(dst, 846 (&(struct rte_flow_conv_rule){ 847 .attr = NULL, 848 .pattern = NULL, 849 .actions = NULL, 850 }), 851 size > sizeof(*dst) ? sizeof(*dst) : size); 852 off = sizeof(*dst); 853 if (src->attr_ro) { 854 off = RTE_ALIGN_CEIL(off, sizeof(double)); 855 if (size && size >= off + sizeof(*dst->attr)) 856 dst->attr = rte_memcpy 857 ((void *)((uintptr_t)dst + off), 858 src->attr_ro, sizeof(*dst->attr)); 859 off += sizeof(*dst->attr); 860 } 861 if (src->pattern_ro) { 862 off = RTE_ALIGN_CEIL(off, sizeof(double)); 863 ret = rte_flow_conv_pattern((void *)((uintptr_t)dst + off), 864 size > off ? size - off : 0, 865 src->pattern_ro, 0, error); 866 if (ret < 0) 867 return ret; 868 if (size && size >= off + (size_t)ret) 869 dst->pattern = (void *)((uintptr_t)dst + off); 870 off += ret; 871 } 872 if (src->actions_ro) { 873 off = RTE_ALIGN_CEIL(off, sizeof(double)); 874 ret = rte_flow_conv_actions((void *)((uintptr_t)dst + off), 875 size > off ? size - off : 0, 876 src->actions_ro, 0, error); 877 if (ret < 0) 878 return ret; 879 if (size >= off + (size_t)ret) 880 dst->actions = (void *)((uintptr_t)dst + off); 881 off += ret; 882 } 883 return off; 884 } 885 886 /** 887 * Retrieve the name of a pattern item/action type. 888 * 889 * @param is_action 890 * Nonzero when @p src represents an action type instead of a pattern item 891 * type. 892 * @param is_ptr 893 * Nonzero to write string address instead of contents into @p dst. 894 * @param[out] dst 895 * Destination buffer. Can be NULL if @p size is zero. 896 * @param size 897 * Size of @p dst in bytes. 898 * @param[in] src 899 * Depending on @p is_action, source pattern item or action type cast as a 900 * pointer. 901 * @param[out] error 902 * Perform verbose error reporting if not NULL. 903 * 904 * @return 905 * A positive value representing the number of bytes needed to store the 906 * name or its address regardless of @p size on success (@p buf contents 907 * are truncated to @p size if not large enough), a negative errno value 908 * otherwise and rte_errno is set. 909 */ 910 static int 911 rte_flow_conv_name(int is_action, 912 int is_ptr, 913 char *dst, 914 const size_t size, 915 const void *src, 916 struct rte_flow_error *error) 917 { 918 struct desc_info { 919 const struct rte_flow_desc_data *data; 920 size_t num; 921 }; 922 static const struct desc_info info_rep[2] = { 923 { rte_flow_desc_item, RTE_DIM(rte_flow_desc_item), }, 924 { rte_flow_desc_action, RTE_DIM(rte_flow_desc_action), }, 925 }; 926 const struct desc_info *const info = &info_rep[!!is_action]; 927 unsigned int type = (uintptr_t)src; 928 929 if (type >= info->num) 930 return rte_flow_error_set 931 (error, EINVAL, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, 932 "unknown object type to retrieve the name of"); 933 if (!is_ptr) 934 return strlcpy(dst, info->data[type].name, size); 935 if (size >= sizeof(const char **)) 936 *((const char **)dst) = info->data[type].name; 937 return sizeof(const char **); 938 } 939 940 /** Helper function to convert flow API objects. */ 941 int 942 rte_flow_conv(enum rte_flow_conv_op op, 943 void *dst, 944 size_t size, 945 const void *src, 946 struct rte_flow_error *error) 947 { 948 switch (op) { 949 const struct rte_flow_attr *attr; 950 951 case RTE_FLOW_CONV_OP_NONE: 952 return 0; 953 case RTE_FLOW_CONV_OP_ATTR: 954 attr = src; 955 if (size > sizeof(*attr)) 956 size = sizeof(*attr); 957 rte_memcpy(dst, attr, size); 958 return sizeof(*attr); 959 case RTE_FLOW_CONV_OP_ITEM: 960 return rte_flow_conv_pattern(dst, size, src, 1, error); 961 case RTE_FLOW_CONV_OP_ACTION: 962 return rte_flow_conv_actions(dst, size, src, 1, error); 963 case RTE_FLOW_CONV_OP_PATTERN: 964 return rte_flow_conv_pattern(dst, size, src, 0, error); 965 case RTE_FLOW_CONV_OP_ACTIONS: 966 return rte_flow_conv_actions(dst, size, src, 0, error); 967 case RTE_FLOW_CONV_OP_RULE: 968 return rte_flow_conv_rule(dst, size, src, error); 969 case RTE_FLOW_CONV_OP_ITEM_NAME: 970 return rte_flow_conv_name(0, 0, dst, size, src, error); 971 case RTE_FLOW_CONV_OP_ACTION_NAME: 972 return rte_flow_conv_name(1, 0, dst, size, src, error); 973 case RTE_FLOW_CONV_OP_ITEM_NAME_PTR: 974 return rte_flow_conv_name(0, 1, dst, size, src, error); 975 case RTE_FLOW_CONV_OP_ACTION_NAME_PTR: 976 return rte_flow_conv_name(1, 1, dst, size, src, error); 977 } 978 return rte_flow_error_set 979 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, 980 "unknown object conversion operation"); 981 } 982 983 /** Store a full rte_flow description. */ 984 size_t 985 rte_flow_copy(struct rte_flow_desc *desc, size_t len, 986 const struct rte_flow_attr *attr, 987 const struct rte_flow_item *items, 988 const struct rte_flow_action *actions) 989 { 990 /* 991 * Overlap struct rte_flow_conv with struct rte_flow_desc in order 992 * to convert the former to the latter without wasting space. 993 */ 994 struct rte_flow_conv_rule *dst = 995 len ? 996 (void *)((uintptr_t)desc + 997 (offsetof(struct rte_flow_desc, actions) - 998 offsetof(struct rte_flow_conv_rule, actions))) : 999 NULL; 1000 size_t dst_size = 1001 len > sizeof(*desc) - sizeof(*dst) ? 1002 len - (sizeof(*desc) - sizeof(*dst)) : 1003 0; 1004 struct rte_flow_conv_rule src = { 1005 .attr_ro = NULL, 1006 .pattern_ro = items, 1007 .actions_ro = actions, 1008 }; 1009 int ret; 1010 1011 RTE_BUILD_BUG_ON(sizeof(struct rte_flow_desc) < 1012 sizeof(struct rte_flow_conv_rule)); 1013 if (dst_size && 1014 (&dst->pattern != &desc->items || 1015 &dst->actions != &desc->actions || 1016 (uintptr_t)(dst + 1) != (uintptr_t)(desc + 1))) { 1017 rte_errno = EINVAL; 1018 return 0; 1019 } 1020 ret = rte_flow_conv(RTE_FLOW_CONV_OP_RULE, dst, dst_size, &src, NULL); 1021 if (ret < 0) 1022 return 0; 1023 ret += sizeof(*desc) - sizeof(*dst); 1024 rte_memcpy(desc, 1025 (&(struct rte_flow_desc){ 1026 .size = ret, 1027 .attr = *attr, 1028 .items = dst_size ? dst->pattern : NULL, 1029 .actions = dst_size ? dst->actions : NULL, 1030 }), 1031 len > sizeof(*desc) ? sizeof(*desc) : len); 1032 return ret; 1033 } 1034 1035 int 1036 rte_flow_dev_dump(uint16_t port_id, struct rte_flow *flow, 1037 FILE *file, struct rte_flow_error *error) 1038 { 1039 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1040 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1041 int ret; 1042 1043 if (unlikely(!ops)) 1044 return -rte_errno; 1045 if (likely(!!ops->dev_dump)) { 1046 fts_enter(dev); 1047 ret = ops->dev_dump(dev, flow, file, error); 1048 fts_exit(dev); 1049 return flow_err(port_id, ret, error); 1050 } 1051 return rte_flow_error_set(error, ENOSYS, 1052 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1053 NULL, rte_strerror(ENOSYS)); 1054 } 1055 1056 int 1057 rte_flow_get_aged_flows(uint16_t port_id, void **contexts, 1058 uint32_t nb_contexts, struct rte_flow_error *error) 1059 { 1060 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1061 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1062 int ret; 1063 1064 if (unlikely(!ops)) 1065 return -rte_errno; 1066 if (likely(!!ops->get_aged_flows)) { 1067 fts_enter(dev); 1068 ret = ops->get_aged_flows(dev, contexts, nb_contexts, error); 1069 fts_exit(dev); 1070 return flow_err(port_id, ret, error); 1071 } 1072 return rte_flow_error_set(error, ENOTSUP, 1073 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1074 NULL, rte_strerror(ENOTSUP)); 1075 } 1076 1077 struct rte_flow_action_handle * 1078 rte_flow_action_handle_create(uint16_t port_id, 1079 const struct rte_flow_indir_action_conf *conf, 1080 const struct rte_flow_action *action, 1081 struct rte_flow_error *error) 1082 { 1083 struct rte_flow_action_handle *handle; 1084 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1085 1086 if (unlikely(!ops)) 1087 return NULL; 1088 if (unlikely(!ops->action_handle_create)) { 1089 rte_flow_error_set(error, ENOSYS, 1090 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, 1091 rte_strerror(ENOSYS)); 1092 return NULL; 1093 } 1094 handle = ops->action_handle_create(&rte_eth_devices[port_id], 1095 conf, action, error); 1096 if (handle == NULL) 1097 flow_err(port_id, -rte_errno, error); 1098 return handle; 1099 } 1100 1101 int 1102 rte_flow_action_handle_destroy(uint16_t port_id, 1103 struct rte_flow_action_handle *handle, 1104 struct rte_flow_error *error) 1105 { 1106 int ret; 1107 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1108 1109 if (unlikely(!ops)) 1110 return -rte_errno; 1111 if (unlikely(!ops->action_handle_destroy)) 1112 return rte_flow_error_set(error, ENOSYS, 1113 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1114 NULL, rte_strerror(ENOSYS)); 1115 ret = ops->action_handle_destroy(&rte_eth_devices[port_id], 1116 handle, error); 1117 return flow_err(port_id, ret, error); 1118 } 1119 1120 int 1121 rte_flow_action_handle_update(uint16_t port_id, 1122 struct rte_flow_action_handle *handle, 1123 const void *update, 1124 struct rte_flow_error *error) 1125 { 1126 int ret; 1127 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1128 1129 if (unlikely(!ops)) 1130 return -rte_errno; 1131 if (unlikely(!ops->action_handle_update)) 1132 return rte_flow_error_set(error, ENOSYS, 1133 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1134 NULL, rte_strerror(ENOSYS)); 1135 ret = ops->action_handle_update(&rte_eth_devices[port_id], handle, 1136 update, error); 1137 return flow_err(port_id, ret, error); 1138 } 1139 1140 int 1141 rte_flow_action_handle_query(uint16_t port_id, 1142 const struct rte_flow_action_handle *handle, 1143 void *data, 1144 struct rte_flow_error *error) 1145 { 1146 int ret; 1147 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1148 1149 if (unlikely(!ops)) 1150 return -rte_errno; 1151 if (unlikely(!ops->action_handle_query)) 1152 return rte_flow_error_set(error, ENOSYS, 1153 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1154 NULL, rte_strerror(ENOSYS)); 1155 ret = ops->action_handle_query(&rte_eth_devices[port_id], handle, 1156 data, error); 1157 return flow_err(port_id, ret, error); 1158 } 1159 1160 int 1161 rte_flow_tunnel_decap_set(uint16_t port_id, 1162 struct rte_flow_tunnel *tunnel, 1163 struct rte_flow_action **actions, 1164 uint32_t *num_of_actions, 1165 struct rte_flow_error *error) 1166 { 1167 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1168 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1169 1170 if (unlikely(!ops)) 1171 return -rte_errno; 1172 if (likely(!!ops->tunnel_decap_set)) { 1173 return flow_err(port_id, 1174 ops->tunnel_decap_set(dev, tunnel, actions, 1175 num_of_actions, error), 1176 error); 1177 } 1178 return rte_flow_error_set(error, ENOTSUP, 1179 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1180 NULL, rte_strerror(ENOTSUP)); 1181 } 1182 1183 int 1184 rte_flow_tunnel_match(uint16_t port_id, 1185 struct rte_flow_tunnel *tunnel, 1186 struct rte_flow_item **items, 1187 uint32_t *num_of_items, 1188 struct rte_flow_error *error) 1189 { 1190 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1191 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1192 1193 if (unlikely(!ops)) 1194 return -rte_errno; 1195 if (likely(!!ops->tunnel_match)) { 1196 return flow_err(port_id, 1197 ops->tunnel_match(dev, tunnel, items, 1198 num_of_items, error), 1199 error); 1200 } 1201 return rte_flow_error_set(error, ENOTSUP, 1202 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1203 NULL, rte_strerror(ENOTSUP)); 1204 } 1205 1206 int 1207 rte_flow_get_restore_info(uint16_t port_id, 1208 struct rte_mbuf *m, 1209 struct rte_flow_restore_info *restore_info, 1210 struct rte_flow_error *error) 1211 { 1212 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1213 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1214 1215 if (unlikely(!ops)) 1216 return -rte_errno; 1217 if (likely(!!ops->get_restore_info)) { 1218 return flow_err(port_id, 1219 ops->get_restore_info(dev, m, restore_info, 1220 error), 1221 error); 1222 } 1223 return rte_flow_error_set(error, ENOTSUP, 1224 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1225 NULL, rte_strerror(ENOTSUP)); 1226 } 1227 1228 int 1229 rte_flow_tunnel_action_decap_release(uint16_t port_id, 1230 struct rte_flow_action *actions, 1231 uint32_t num_of_actions, 1232 struct rte_flow_error *error) 1233 { 1234 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1235 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1236 1237 if (unlikely(!ops)) 1238 return -rte_errno; 1239 if (likely(!!ops->tunnel_action_decap_release)) { 1240 return flow_err(port_id, 1241 ops->tunnel_action_decap_release(dev, actions, 1242 num_of_actions, 1243 error), 1244 error); 1245 } 1246 return rte_flow_error_set(error, ENOTSUP, 1247 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1248 NULL, rte_strerror(ENOTSUP)); 1249 } 1250 1251 int 1252 rte_flow_tunnel_item_release(uint16_t port_id, 1253 struct rte_flow_item *items, 1254 uint32_t num_of_items, 1255 struct rte_flow_error *error) 1256 { 1257 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1258 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1259 1260 if (unlikely(!ops)) 1261 return -rte_errno; 1262 if (likely(!!ops->tunnel_item_release)) { 1263 return flow_err(port_id, 1264 ops->tunnel_item_release(dev, items, 1265 num_of_items, error), 1266 error); 1267 } 1268 return rte_flow_error_set(error, ENOTSUP, 1269 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1270 NULL, rte_strerror(ENOTSUP)); 1271 } 1272