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 size_t (*desc_fn)(void *dst, const void *src); 34 }; 35 36 /** 37 * 38 * @param buf 39 * Destination memory. 40 * @param data 41 * Source memory 42 * @param size 43 * Requested copy size 44 * @param desc 45 * rte_flow_desc_item - for flow item conversion. 46 * rte_flow_desc_action - for flow action conversion. 47 * @param type 48 * Offset into the desc param or negative value for private flow elements. 49 */ 50 static inline size_t 51 rte_flow_conv_copy(void *buf, const void *data, const size_t size, 52 const struct rte_flow_desc_data *desc, int type) 53 { 54 /** 55 * Allow PMD private flow item 56 */ 57 size_t sz = type >= 0 ? desc[type].size : sizeof(void *); 58 if (buf == NULL || data == NULL) 59 return 0; 60 rte_memcpy(buf, data, (size > sz ? sz : size)); 61 if (desc[type].desc_fn) 62 sz += desc[type].desc_fn(size > 0 ? buf : NULL, data); 63 return sz; 64 } 65 66 /** Generate flow_item[] entry. */ 67 #define MK_FLOW_ITEM(t, s) \ 68 [RTE_FLOW_ITEM_TYPE_ ## t] = { \ 69 .name = # t, \ 70 .size = s, \ 71 .desc_fn = NULL,\ 72 } 73 74 #define MK_FLOW_ITEM_FN(t, s, fn) \ 75 [RTE_FLOW_ITEM_TYPE_ ## t] = {\ 76 .name = # t, \ 77 .size = s, \ 78 .desc_fn = fn, \ 79 } 80 81 /** Information about known flow pattern items. */ 82 static const struct rte_flow_desc_data rte_flow_desc_item[] = { 83 MK_FLOW_ITEM(END, 0), 84 MK_FLOW_ITEM(VOID, 0), 85 MK_FLOW_ITEM(INVERT, 0), 86 MK_FLOW_ITEM(ANY, sizeof(struct rte_flow_item_any)), 87 MK_FLOW_ITEM(PF, 0), 88 MK_FLOW_ITEM(VF, sizeof(struct rte_flow_item_vf)), 89 MK_FLOW_ITEM(PHY_PORT, sizeof(struct rte_flow_item_phy_port)), 90 MK_FLOW_ITEM(PORT_ID, sizeof(struct rte_flow_item_port_id)), 91 MK_FLOW_ITEM(RAW, sizeof(struct rte_flow_item_raw)), 92 MK_FLOW_ITEM(ETH, sizeof(struct rte_flow_item_eth)), 93 MK_FLOW_ITEM(VLAN, sizeof(struct rte_flow_item_vlan)), 94 MK_FLOW_ITEM(IPV4, sizeof(struct rte_flow_item_ipv4)), 95 MK_FLOW_ITEM(IPV6, sizeof(struct rte_flow_item_ipv6)), 96 MK_FLOW_ITEM(ICMP, sizeof(struct rte_flow_item_icmp)), 97 MK_FLOW_ITEM(UDP, sizeof(struct rte_flow_item_udp)), 98 MK_FLOW_ITEM(TCP, sizeof(struct rte_flow_item_tcp)), 99 MK_FLOW_ITEM(SCTP, sizeof(struct rte_flow_item_sctp)), 100 MK_FLOW_ITEM(VXLAN, sizeof(struct rte_flow_item_vxlan)), 101 MK_FLOW_ITEM(E_TAG, sizeof(struct rte_flow_item_e_tag)), 102 MK_FLOW_ITEM(NVGRE, sizeof(struct rte_flow_item_nvgre)), 103 MK_FLOW_ITEM(MPLS, sizeof(struct rte_flow_item_mpls)), 104 MK_FLOW_ITEM(GRE, sizeof(struct rte_flow_item_gre)), 105 MK_FLOW_ITEM(FUZZY, sizeof(struct rte_flow_item_fuzzy)), 106 MK_FLOW_ITEM(GTP, sizeof(struct rte_flow_item_gtp)), 107 MK_FLOW_ITEM(GTPC, sizeof(struct rte_flow_item_gtp)), 108 MK_FLOW_ITEM(GTPU, sizeof(struct rte_flow_item_gtp)), 109 MK_FLOW_ITEM(ESP, sizeof(struct rte_flow_item_esp)), 110 MK_FLOW_ITEM(GENEVE, sizeof(struct rte_flow_item_geneve)), 111 MK_FLOW_ITEM(VXLAN_GPE, sizeof(struct rte_flow_item_vxlan_gpe)), 112 MK_FLOW_ITEM(ARP_ETH_IPV4, sizeof(struct rte_flow_item_arp_eth_ipv4)), 113 MK_FLOW_ITEM(IPV6_EXT, sizeof(struct rte_flow_item_ipv6_ext)), 114 MK_FLOW_ITEM(IPV6_FRAG_EXT, sizeof(struct rte_flow_item_ipv6_frag_ext)), 115 MK_FLOW_ITEM(ICMP6, sizeof(struct rte_flow_item_icmp6)), 116 MK_FLOW_ITEM(ICMP6_ND_NS, sizeof(struct rte_flow_item_icmp6_nd_ns)), 117 MK_FLOW_ITEM(ICMP6_ND_NA, sizeof(struct rte_flow_item_icmp6_nd_na)), 118 MK_FLOW_ITEM(ICMP6_ND_OPT, sizeof(struct rte_flow_item_icmp6_nd_opt)), 119 MK_FLOW_ITEM(ICMP6_ND_OPT_SLA_ETH, 120 sizeof(struct rte_flow_item_icmp6_nd_opt_sla_eth)), 121 MK_FLOW_ITEM(ICMP6_ND_OPT_TLA_ETH, 122 sizeof(struct rte_flow_item_icmp6_nd_opt_tla_eth)), 123 MK_FLOW_ITEM(MARK, sizeof(struct rte_flow_item_mark)), 124 MK_FLOW_ITEM(META, sizeof(struct rte_flow_item_meta)), 125 MK_FLOW_ITEM(TAG, sizeof(struct rte_flow_item_tag)), 126 MK_FLOW_ITEM(GRE_KEY, sizeof(rte_be32_t)), 127 MK_FLOW_ITEM(GTP_PSC, sizeof(struct rte_flow_item_gtp_psc)), 128 MK_FLOW_ITEM(PPPOES, sizeof(struct rte_flow_item_pppoe)), 129 MK_FLOW_ITEM(PPPOED, sizeof(struct rte_flow_item_pppoe)), 130 MK_FLOW_ITEM(PPPOE_PROTO_ID, 131 sizeof(struct rte_flow_item_pppoe_proto_id)), 132 MK_FLOW_ITEM(NSH, sizeof(struct rte_flow_item_nsh)), 133 MK_FLOW_ITEM(IGMP, sizeof(struct rte_flow_item_igmp)), 134 MK_FLOW_ITEM(AH, sizeof(struct rte_flow_item_ah)), 135 MK_FLOW_ITEM(HIGIG2, sizeof(struct rte_flow_item_higig2_hdr)), 136 MK_FLOW_ITEM(L2TPV3OIP, sizeof(struct rte_flow_item_l2tpv3oip)), 137 MK_FLOW_ITEM(PFCP, sizeof(struct rte_flow_item_pfcp)), 138 MK_FLOW_ITEM(ECPRI, sizeof(struct rte_flow_item_ecpri)), 139 MK_FLOW_ITEM(GENEVE_OPT, sizeof(struct rte_flow_item_geneve_opt)), 140 MK_FLOW_ITEM(INTEGRITY, sizeof(struct rte_flow_item_integrity)), 141 MK_FLOW_ITEM(CONNTRACK, sizeof(uint32_t)), 142 MK_FLOW_ITEM(PORT_REPRESENTOR, sizeof(struct rte_flow_item_ethdev)), 143 MK_FLOW_ITEM(REPRESENTED_PORT, sizeof(struct rte_flow_item_ethdev)), 144 }; 145 146 /** Generate flow_action[] entry. */ 147 #define MK_FLOW_ACTION(t, s) \ 148 [RTE_FLOW_ACTION_TYPE_ ## t] = { \ 149 .name = # t, \ 150 .size = s, \ 151 .desc_fn = NULL,\ 152 } 153 154 #define MK_FLOW_ACTION_FN(t, fn) \ 155 [RTE_FLOW_ACTION_TYPE_ ## t] = { \ 156 .name = # t, \ 157 .size = 0, \ 158 .desc_fn = fn,\ 159 } 160 161 162 /** Information about known flow actions. */ 163 static const struct rte_flow_desc_data rte_flow_desc_action[] = { 164 MK_FLOW_ACTION(END, 0), 165 MK_FLOW_ACTION(VOID, 0), 166 MK_FLOW_ACTION(PASSTHRU, 0), 167 MK_FLOW_ACTION(JUMP, sizeof(struct rte_flow_action_jump)), 168 MK_FLOW_ACTION(MARK, sizeof(struct rte_flow_action_mark)), 169 MK_FLOW_ACTION(FLAG, 0), 170 MK_FLOW_ACTION(QUEUE, sizeof(struct rte_flow_action_queue)), 171 MK_FLOW_ACTION(DROP, 0), 172 MK_FLOW_ACTION(COUNT, sizeof(struct rte_flow_action_count)), 173 MK_FLOW_ACTION(RSS, sizeof(struct rte_flow_action_rss)), 174 MK_FLOW_ACTION(PF, 0), 175 MK_FLOW_ACTION(VF, sizeof(struct rte_flow_action_vf)), 176 MK_FLOW_ACTION(PHY_PORT, sizeof(struct rte_flow_action_phy_port)), 177 MK_FLOW_ACTION(PORT_ID, sizeof(struct rte_flow_action_port_id)), 178 MK_FLOW_ACTION(METER, sizeof(struct rte_flow_action_meter)), 179 MK_FLOW_ACTION(SECURITY, sizeof(struct rte_flow_action_security)), 180 MK_FLOW_ACTION(OF_SET_MPLS_TTL, 181 sizeof(struct rte_flow_action_of_set_mpls_ttl)), 182 MK_FLOW_ACTION(OF_DEC_MPLS_TTL, 0), 183 MK_FLOW_ACTION(OF_SET_NW_TTL, 184 sizeof(struct rte_flow_action_of_set_nw_ttl)), 185 MK_FLOW_ACTION(OF_DEC_NW_TTL, 0), 186 MK_FLOW_ACTION(OF_COPY_TTL_OUT, 0), 187 MK_FLOW_ACTION(OF_COPY_TTL_IN, 0), 188 MK_FLOW_ACTION(OF_POP_VLAN, 0), 189 MK_FLOW_ACTION(OF_PUSH_VLAN, 190 sizeof(struct rte_flow_action_of_push_vlan)), 191 MK_FLOW_ACTION(OF_SET_VLAN_VID, 192 sizeof(struct rte_flow_action_of_set_vlan_vid)), 193 MK_FLOW_ACTION(OF_SET_VLAN_PCP, 194 sizeof(struct rte_flow_action_of_set_vlan_pcp)), 195 MK_FLOW_ACTION(OF_POP_MPLS, 196 sizeof(struct rte_flow_action_of_pop_mpls)), 197 MK_FLOW_ACTION(OF_PUSH_MPLS, 198 sizeof(struct rte_flow_action_of_push_mpls)), 199 MK_FLOW_ACTION(VXLAN_ENCAP, sizeof(struct rte_flow_action_vxlan_encap)), 200 MK_FLOW_ACTION(VXLAN_DECAP, 0), 201 MK_FLOW_ACTION(NVGRE_ENCAP, sizeof(struct rte_flow_action_vxlan_encap)), 202 MK_FLOW_ACTION(NVGRE_DECAP, 0), 203 MK_FLOW_ACTION(RAW_ENCAP, sizeof(struct rte_flow_action_raw_encap)), 204 MK_FLOW_ACTION(RAW_DECAP, sizeof(struct rte_flow_action_raw_decap)), 205 MK_FLOW_ACTION(SET_IPV4_SRC, 206 sizeof(struct rte_flow_action_set_ipv4)), 207 MK_FLOW_ACTION(SET_IPV4_DST, 208 sizeof(struct rte_flow_action_set_ipv4)), 209 MK_FLOW_ACTION(SET_IPV6_SRC, 210 sizeof(struct rte_flow_action_set_ipv6)), 211 MK_FLOW_ACTION(SET_IPV6_DST, 212 sizeof(struct rte_flow_action_set_ipv6)), 213 MK_FLOW_ACTION(SET_TP_SRC, 214 sizeof(struct rte_flow_action_set_tp)), 215 MK_FLOW_ACTION(SET_TP_DST, 216 sizeof(struct rte_flow_action_set_tp)), 217 MK_FLOW_ACTION(MAC_SWAP, 0), 218 MK_FLOW_ACTION(DEC_TTL, 0), 219 MK_FLOW_ACTION(SET_TTL, sizeof(struct rte_flow_action_set_ttl)), 220 MK_FLOW_ACTION(SET_MAC_SRC, sizeof(struct rte_flow_action_set_mac)), 221 MK_FLOW_ACTION(SET_MAC_DST, sizeof(struct rte_flow_action_set_mac)), 222 MK_FLOW_ACTION(INC_TCP_SEQ, sizeof(rte_be32_t)), 223 MK_FLOW_ACTION(DEC_TCP_SEQ, sizeof(rte_be32_t)), 224 MK_FLOW_ACTION(INC_TCP_ACK, sizeof(rte_be32_t)), 225 MK_FLOW_ACTION(DEC_TCP_ACK, sizeof(rte_be32_t)), 226 MK_FLOW_ACTION(SET_TAG, sizeof(struct rte_flow_action_set_tag)), 227 MK_FLOW_ACTION(SET_META, sizeof(struct rte_flow_action_set_meta)), 228 MK_FLOW_ACTION(SET_IPV4_DSCP, sizeof(struct rte_flow_action_set_dscp)), 229 MK_FLOW_ACTION(SET_IPV6_DSCP, sizeof(struct rte_flow_action_set_dscp)), 230 MK_FLOW_ACTION(AGE, sizeof(struct rte_flow_action_age)), 231 MK_FLOW_ACTION(SAMPLE, sizeof(struct rte_flow_action_sample)), 232 MK_FLOW_ACTION(MODIFY_FIELD, 233 sizeof(struct rte_flow_action_modify_field)), 234 /** 235 * Indirect action represented as handle of type 236 * (struct rte_flow_action_handle *) stored in conf field (see 237 * struct rte_flow_action); no need for additional structure to * store 238 * indirect action handle. 239 */ 240 MK_FLOW_ACTION(INDIRECT, 0), 241 MK_FLOW_ACTION(CONNTRACK, sizeof(struct rte_flow_action_conntrack)), 242 MK_FLOW_ACTION(PORT_REPRESENTOR, sizeof(struct rte_flow_action_ethdev)), 243 MK_FLOW_ACTION(REPRESENTED_PORT, sizeof(struct rte_flow_action_ethdev)), 244 }; 245 246 int 247 rte_flow_dynf_metadata_register(void) 248 { 249 int offset; 250 int flag; 251 252 static const struct rte_mbuf_dynfield desc_offs = { 253 .name = RTE_MBUF_DYNFIELD_METADATA_NAME, 254 .size = sizeof(uint32_t), 255 .align = __alignof__(uint32_t), 256 }; 257 static const struct rte_mbuf_dynflag desc_flag = { 258 .name = RTE_MBUF_DYNFLAG_METADATA_NAME, 259 }; 260 261 offset = rte_mbuf_dynfield_register(&desc_offs); 262 if (offset < 0) 263 goto error; 264 flag = rte_mbuf_dynflag_register(&desc_flag); 265 if (flag < 0) 266 goto error; 267 rte_flow_dynf_metadata_offs = offset; 268 rte_flow_dynf_metadata_mask = (1ULL << flag); 269 return 0; 270 271 error: 272 rte_flow_dynf_metadata_offs = -1; 273 rte_flow_dynf_metadata_mask = 0ULL; 274 return -rte_errno; 275 } 276 277 static inline void 278 fts_enter(struct rte_eth_dev *dev) 279 { 280 if (!(dev->data->dev_flags & RTE_ETH_DEV_FLOW_OPS_THREAD_SAFE)) 281 pthread_mutex_lock(&dev->data->flow_ops_mutex); 282 } 283 284 static inline void 285 fts_exit(struct rte_eth_dev *dev) 286 { 287 if (!(dev->data->dev_flags & RTE_ETH_DEV_FLOW_OPS_THREAD_SAFE)) 288 pthread_mutex_unlock(&dev->data->flow_ops_mutex); 289 } 290 291 static int 292 flow_err(uint16_t port_id, int ret, struct rte_flow_error *error) 293 { 294 if (ret == 0) 295 return 0; 296 if (rte_eth_dev_is_removed(port_id)) 297 return rte_flow_error_set(error, EIO, 298 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 299 NULL, rte_strerror(EIO)); 300 return ret; 301 } 302 303 /* Get generic flow operations structure from a port. */ 304 const struct rte_flow_ops * 305 rte_flow_ops_get(uint16_t port_id, struct rte_flow_error *error) 306 { 307 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 308 const struct rte_flow_ops *ops; 309 int code; 310 311 if (unlikely(!rte_eth_dev_is_valid_port(port_id))) 312 code = ENODEV; 313 else if (unlikely(dev->dev_ops->flow_ops_get == NULL)) 314 /* flow API not supported with this driver dev_ops */ 315 code = ENOSYS; 316 else 317 code = dev->dev_ops->flow_ops_get(dev, &ops); 318 if (code == 0 && ops == NULL) 319 /* flow API not supported with this device */ 320 code = ENOSYS; 321 322 if (code != 0) { 323 rte_flow_error_set(error, code, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 324 NULL, rte_strerror(code)); 325 return NULL; 326 } 327 return ops; 328 } 329 330 /* Check whether a flow rule can be created on a given port. */ 331 int 332 rte_flow_validate(uint16_t port_id, 333 const struct rte_flow_attr *attr, 334 const struct rte_flow_item pattern[], 335 const struct rte_flow_action actions[], 336 struct rte_flow_error *error) 337 { 338 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 339 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 340 int ret; 341 342 if (unlikely(!ops)) 343 return -rte_errno; 344 if (likely(!!ops->validate)) { 345 fts_enter(dev); 346 ret = ops->validate(dev, attr, pattern, actions, error); 347 fts_exit(dev); 348 return flow_err(port_id, ret, error); 349 } 350 return rte_flow_error_set(error, ENOSYS, 351 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 352 NULL, rte_strerror(ENOSYS)); 353 } 354 355 /* Create a flow rule on a given port. */ 356 struct rte_flow * 357 rte_flow_create(uint16_t port_id, 358 const struct rte_flow_attr *attr, 359 const struct rte_flow_item pattern[], 360 const struct rte_flow_action actions[], 361 struct rte_flow_error *error) 362 { 363 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 364 struct rte_flow *flow; 365 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 366 367 if (unlikely(!ops)) 368 return NULL; 369 if (likely(!!ops->create)) { 370 fts_enter(dev); 371 flow = ops->create(dev, attr, pattern, actions, error); 372 fts_exit(dev); 373 if (flow == NULL) 374 flow_err(port_id, -rte_errno, error); 375 return flow; 376 } 377 rte_flow_error_set(error, ENOSYS, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 378 NULL, rte_strerror(ENOSYS)); 379 return NULL; 380 } 381 382 /* Destroy a flow rule on a given port. */ 383 int 384 rte_flow_destroy(uint16_t port_id, 385 struct rte_flow *flow, 386 struct rte_flow_error *error) 387 { 388 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 389 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 390 int ret; 391 392 if (unlikely(!ops)) 393 return -rte_errno; 394 if (likely(!!ops->destroy)) { 395 fts_enter(dev); 396 ret = ops->destroy(dev, flow, error); 397 fts_exit(dev); 398 return flow_err(port_id, ret, error); 399 } 400 return rte_flow_error_set(error, ENOSYS, 401 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 402 NULL, rte_strerror(ENOSYS)); 403 } 404 405 /* Destroy all flow rules associated with a port. */ 406 int 407 rte_flow_flush(uint16_t port_id, 408 struct rte_flow_error *error) 409 { 410 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 411 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 412 int ret; 413 414 if (unlikely(!ops)) 415 return -rte_errno; 416 if (likely(!!ops->flush)) { 417 fts_enter(dev); 418 ret = ops->flush(dev, error); 419 fts_exit(dev); 420 return flow_err(port_id, ret, error); 421 } 422 return rte_flow_error_set(error, ENOSYS, 423 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 424 NULL, rte_strerror(ENOSYS)); 425 } 426 427 /* Query an existing flow rule. */ 428 int 429 rte_flow_query(uint16_t port_id, 430 struct rte_flow *flow, 431 const struct rte_flow_action *action, 432 void *data, 433 struct rte_flow_error *error) 434 { 435 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 436 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 437 int ret; 438 439 if (!ops) 440 return -rte_errno; 441 if (likely(!!ops->query)) { 442 fts_enter(dev); 443 ret = ops->query(dev, flow, action, data, error); 444 fts_exit(dev); 445 return flow_err(port_id, ret, error); 446 } 447 return rte_flow_error_set(error, ENOSYS, 448 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 449 NULL, rte_strerror(ENOSYS)); 450 } 451 452 /* Restrict ingress traffic to the defined flow rules. */ 453 int 454 rte_flow_isolate(uint16_t port_id, 455 int set, 456 struct rte_flow_error *error) 457 { 458 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 459 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 460 int ret; 461 462 if (!ops) 463 return -rte_errno; 464 if (likely(!!ops->isolate)) { 465 fts_enter(dev); 466 ret = ops->isolate(dev, set, error); 467 fts_exit(dev); 468 return flow_err(port_id, ret, error); 469 } 470 return rte_flow_error_set(error, ENOSYS, 471 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 472 NULL, rte_strerror(ENOSYS)); 473 } 474 475 /* Initialize flow error structure. */ 476 int 477 rte_flow_error_set(struct rte_flow_error *error, 478 int code, 479 enum rte_flow_error_type type, 480 const void *cause, 481 const char *message) 482 { 483 if (error) { 484 *error = (struct rte_flow_error){ 485 .type = type, 486 .cause = cause, 487 .message = message, 488 }; 489 } 490 rte_errno = code; 491 return -code; 492 } 493 494 /** Pattern item specification types. */ 495 enum rte_flow_conv_item_spec_type { 496 RTE_FLOW_CONV_ITEM_SPEC, 497 RTE_FLOW_CONV_ITEM_LAST, 498 RTE_FLOW_CONV_ITEM_MASK, 499 }; 500 501 /** 502 * Copy pattern item specification. 503 * 504 * @param[out] buf 505 * Output buffer. Can be NULL if @p size is zero. 506 * @param size 507 * Size of @p buf in bytes. 508 * @param[in] item 509 * Pattern item to copy specification from. 510 * @param type 511 * Specification selector for either @p spec, @p last or @p mask. 512 * 513 * @return 514 * Number of bytes needed to store pattern item specification regardless 515 * of @p size. @p buf contents are truncated to @p size if not large 516 * enough. 517 */ 518 static size_t 519 rte_flow_conv_item_spec(void *buf, const size_t size, 520 const struct rte_flow_item *item, 521 enum rte_flow_conv_item_spec_type type) 522 { 523 size_t off; 524 const void *data = 525 type == RTE_FLOW_CONV_ITEM_SPEC ? item->spec : 526 type == RTE_FLOW_CONV_ITEM_LAST ? item->last : 527 type == RTE_FLOW_CONV_ITEM_MASK ? item->mask : 528 NULL; 529 530 switch (item->type) { 531 union { 532 const struct rte_flow_item_raw *raw; 533 } spec; 534 union { 535 const struct rte_flow_item_raw *raw; 536 } last; 537 union { 538 const struct rte_flow_item_raw *raw; 539 } mask; 540 union { 541 const struct rte_flow_item_raw *raw; 542 } src; 543 union { 544 struct rte_flow_item_raw *raw; 545 } dst; 546 size_t tmp; 547 548 case RTE_FLOW_ITEM_TYPE_RAW: 549 spec.raw = item->spec; 550 last.raw = item->last ? item->last : item->spec; 551 mask.raw = item->mask ? item->mask : &rte_flow_item_raw_mask; 552 src.raw = data; 553 dst.raw = buf; 554 rte_memcpy(dst.raw, 555 (&(struct rte_flow_item_raw){ 556 .relative = src.raw->relative, 557 .search = src.raw->search, 558 .reserved = src.raw->reserved, 559 .offset = src.raw->offset, 560 .limit = src.raw->limit, 561 .length = src.raw->length, 562 }), 563 size > sizeof(*dst.raw) ? sizeof(*dst.raw) : size); 564 off = sizeof(*dst.raw); 565 if (type == RTE_FLOW_CONV_ITEM_SPEC || 566 (type == RTE_FLOW_CONV_ITEM_MASK && 567 ((spec.raw->length & mask.raw->length) >= 568 (last.raw->length & mask.raw->length)))) 569 tmp = spec.raw->length & mask.raw->length; 570 else 571 tmp = last.raw->length & mask.raw->length; 572 if (tmp) { 573 off = RTE_ALIGN_CEIL(off, sizeof(*dst.raw->pattern)); 574 if (size >= off + tmp) 575 dst.raw->pattern = rte_memcpy 576 ((void *)((uintptr_t)dst.raw + off), 577 src.raw->pattern, tmp); 578 off += tmp; 579 } 580 break; 581 default: 582 off = rte_flow_conv_copy(buf, data, size, 583 rte_flow_desc_item, item->type); 584 break; 585 } 586 return off; 587 } 588 589 /** 590 * Copy action configuration. 591 * 592 * @param[out] buf 593 * Output buffer. Can be NULL if @p size is zero. 594 * @param size 595 * Size of @p buf in bytes. 596 * @param[in] action 597 * Action to copy configuration from. 598 * 599 * @return 600 * Number of bytes needed to store pattern item specification regardless 601 * of @p size. @p buf contents are truncated to @p size if not large 602 * enough. 603 */ 604 static size_t 605 rte_flow_conv_action_conf(void *buf, const size_t size, 606 const struct rte_flow_action *action) 607 { 608 size_t off; 609 610 switch (action->type) { 611 union { 612 const struct rte_flow_action_rss *rss; 613 const struct rte_flow_action_vxlan_encap *vxlan_encap; 614 const struct rte_flow_action_nvgre_encap *nvgre_encap; 615 } src; 616 union { 617 struct rte_flow_action_rss *rss; 618 struct rte_flow_action_vxlan_encap *vxlan_encap; 619 struct rte_flow_action_nvgre_encap *nvgre_encap; 620 } dst; 621 size_t tmp; 622 int ret; 623 624 case RTE_FLOW_ACTION_TYPE_RSS: 625 src.rss = action->conf; 626 dst.rss = buf; 627 rte_memcpy(dst.rss, 628 (&(struct rte_flow_action_rss){ 629 .func = src.rss->func, 630 .level = src.rss->level, 631 .types = src.rss->types, 632 .key_len = src.rss->key_len, 633 .queue_num = src.rss->queue_num, 634 }), 635 size > sizeof(*dst.rss) ? sizeof(*dst.rss) : size); 636 off = sizeof(*dst.rss); 637 if (src.rss->key_len && src.rss->key) { 638 off = RTE_ALIGN_CEIL(off, sizeof(*dst.rss->key)); 639 tmp = sizeof(*src.rss->key) * src.rss->key_len; 640 if (size >= off + tmp) 641 dst.rss->key = rte_memcpy 642 ((void *)((uintptr_t)dst.rss + off), 643 src.rss->key, tmp); 644 off += tmp; 645 } 646 if (src.rss->queue_num) { 647 off = RTE_ALIGN_CEIL(off, sizeof(*dst.rss->queue)); 648 tmp = sizeof(*src.rss->queue) * src.rss->queue_num; 649 if (size >= off + tmp) 650 dst.rss->queue = rte_memcpy 651 ((void *)((uintptr_t)dst.rss + off), 652 src.rss->queue, tmp); 653 off += tmp; 654 } 655 break; 656 case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP: 657 case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP: 658 src.vxlan_encap = action->conf; 659 dst.vxlan_encap = buf; 660 RTE_BUILD_BUG_ON(sizeof(*src.vxlan_encap) != 661 sizeof(*src.nvgre_encap) || 662 offsetof(struct rte_flow_action_vxlan_encap, 663 definition) != 664 offsetof(struct rte_flow_action_nvgre_encap, 665 definition)); 666 off = sizeof(*dst.vxlan_encap); 667 if (src.vxlan_encap->definition) { 668 off = RTE_ALIGN_CEIL 669 (off, sizeof(*dst.vxlan_encap->definition)); 670 ret = rte_flow_conv 671 (RTE_FLOW_CONV_OP_PATTERN, 672 (void *)((uintptr_t)dst.vxlan_encap + off), 673 size > off ? size - off : 0, 674 src.vxlan_encap->definition, NULL); 675 if (ret < 0) 676 return 0; 677 if (size >= off + ret) 678 dst.vxlan_encap->definition = 679 (void *)((uintptr_t)dst.vxlan_encap + 680 off); 681 off += ret; 682 } 683 break; 684 default: 685 off = rte_flow_conv_copy(buf, action->conf, size, 686 rte_flow_desc_action, action->type); 687 break; 688 } 689 return off; 690 } 691 692 /** 693 * Copy a list of pattern items. 694 * 695 * @param[out] dst 696 * Destination buffer. Can be NULL if @p size is zero. 697 * @param size 698 * Size of @p dst in bytes. 699 * @param[in] src 700 * Source pattern items. 701 * @param num 702 * Maximum number of pattern items to process from @p src or 0 to process 703 * the entire list. In both cases, processing stops after 704 * RTE_FLOW_ITEM_TYPE_END is encountered. 705 * @param[out] error 706 * Perform verbose error reporting if not NULL. 707 * 708 * @return 709 * A positive value representing the number of bytes needed to store 710 * pattern items regardless of @p size on success (@p buf contents are 711 * truncated to @p size if not large enough), a negative errno value 712 * otherwise and rte_errno is set. 713 */ 714 static int 715 rte_flow_conv_pattern(struct rte_flow_item *dst, 716 const size_t size, 717 const struct rte_flow_item *src, 718 unsigned int num, 719 struct rte_flow_error *error) 720 { 721 uintptr_t data = (uintptr_t)dst; 722 size_t off; 723 size_t ret; 724 unsigned int i; 725 726 for (i = 0, off = 0; !num || i != num; ++i, ++src, ++dst) { 727 /** 728 * allow PMD private flow item 729 */ 730 if (((int)src->type >= 0) && 731 ((size_t)src->type >= RTE_DIM(rte_flow_desc_item) || 732 !rte_flow_desc_item[src->type].name)) 733 return rte_flow_error_set 734 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, src, 735 "cannot convert unknown item type"); 736 if (size >= off + sizeof(*dst)) 737 *dst = (struct rte_flow_item){ 738 .type = src->type, 739 }; 740 off += sizeof(*dst); 741 if (!src->type) 742 num = i + 1; 743 } 744 num = i; 745 src -= num; 746 dst -= num; 747 do { 748 if (src->spec) { 749 off = RTE_ALIGN_CEIL(off, sizeof(double)); 750 ret = rte_flow_conv_item_spec 751 ((void *)(data + off), 752 size > off ? size - off : 0, src, 753 RTE_FLOW_CONV_ITEM_SPEC); 754 if (size && size >= off + ret) 755 dst->spec = (void *)(data + off); 756 off += ret; 757 758 } 759 if (src->last) { 760 off = RTE_ALIGN_CEIL(off, sizeof(double)); 761 ret = rte_flow_conv_item_spec 762 ((void *)(data + off), 763 size > off ? size - off : 0, src, 764 RTE_FLOW_CONV_ITEM_LAST); 765 if (size && size >= off + ret) 766 dst->last = (void *)(data + off); 767 off += ret; 768 } 769 if (src->mask) { 770 off = RTE_ALIGN_CEIL(off, sizeof(double)); 771 ret = rte_flow_conv_item_spec 772 ((void *)(data + off), 773 size > off ? size - off : 0, src, 774 RTE_FLOW_CONV_ITEM_MASK); 775 if (size && size >= off + ret) 776 dst->mask = (void *)(data + off); 777 off += ret; 778 } 779 ++src; 780 ++dst; 781 } while (--num); 782 return off; 783 } 784 785 /** 786 * Copy a list of actions. 787 * 788 * @param[out] dst 789 * Destination buffer. Can be NULL if @p size is zero. 790 * @param size 791 * Size of @p dst in bytes. 792 * @param[in] src 793 * Source actions. 794 * @param num 795 * Maximum number of actions to process from @p src or 0 to process the 796 * entire list. In both cases, processing stops after 797 * RTE_FLOW_ACTION_TYPE_END is encountered. 798 * @param[out] error 799 * Perform verbose error reporting if not NULL. 800 * 801 * @return 802 * A positive value representing the number of bytes needed to store 803 * actions regardless of @p size on success (@p buf contents are truncated 804 * to @p size if not large enough), a negative errno value otherwise and 805 * rte_errno is set. 806 */ 807 static int 808 rte_flow_conv_actions(struct rte_flow_action *dst, 809 const size_t size, 810 const struct rte_flow_action *src, 811 unsigned int num, 812 struct rte_flow_error *error) 813 { 814 uintptr_t data = (uintptr_t)dst; 815 size_t off; 816 size_t ret; 817 unsigned int i; 818 819 for (i = 0, off = 0; !num || i != num; ++i, ++src, ++dst) { 820 /** 821 * allow PMD private flow action 822 */ 823 if (((int)src->type >= 0) && 824 ((size_t)src->type >= RTE_DIM(rte_flow_desc_action) || 825 !rte_flow_desc_action[src->type].name)) 826 return rte_flow_error_set 827 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION, 828 src, "cannot convert unknown action type"); 829 if (size >= off + sizeof(*dst)) 830 *dst = (struct rte_flow_action){ 831 .type = src->type, 832 }; 833 off += sizeof(*dst); 834 if (!src->type) 835 num = i + 1; 836 } 837 num = i; 838 src -= num; 839 dst -= num; 840 do { 841 if (src->conf) { 842 off = RTE_ALIGN_CEIL(off, sizeof(double)); 843 ret = rte_flow_conv_action_conf 844 ((void *)(data + off), 845 size > off ? size - off : 0, src); 846 if (size && size >= off + ret) 847 dst->conf = (void *)(data + off); 848 off += ret; 849 } 850 ++src; 851 ++dst; 852 } while (--num); 853 return off; 854 } 855 856 /** 857 * Copy flow rule components. 858 * 859 * This comprises the flow rule descriptor itself, attributes, pattern and 860 * actions list. NULL components in @p src are skipped. 861 * 862 * @param[out] dst 863 * Destination buffer. Can be NULL if @p size is zero. 864 * @param size 865 * Size of @p dst in bytes. 866 * @param[in] src 867 * Source flow rule descriptor. 868 * @param[out] error 869 * Perform verbose error reporting if not NULL. 870 * 871 * @return 872 * A positive value representing the number of bytes needed to store all 873 * components including the descriptor regardless of @p size on success 874 * (@p buf contents are truncated to @p size if not large enough), a 875 * negative errno value otherwise and rte_errno is set. 876 */ 877 static int 878 rte_flow_conv_rule(struct rte_flow_conv_rule *dst, 879 const size_t size, 880 const struct rte_flow_conv_rule *src, 881 struct rte_flow_error *error) 882 { 883 size_t off; 884 int ret; 885 886 rte_memcpy(dst, 887 (&(struct rte_flow_conv_rule){ 888 .attr = NULL, 889 .pattern = NULL, 890 .actions = NULL, 891 }), 892 size > sizeof(*dst) ? sizeof(*dst) : size); 893 off = sizeof(*dst); 894 if (src->attr_ro) { 895 off = RTE_ALIGN_CEIL(off, sizeof(double)); 896 if (size && size >= off + sizeof(*dst->attr)) 897 dst->attr = rte_memcpy 898 ((void *)((uintptr_t)dst + off), 899 src->attr_ro, sizeof(*dst->attr)); 900 off += sizeof(*dst->attr); 901 } 902 if (src->pattern_ro) { 903 off = RTE_ALIGN_CEIL(off, sizeof(double)); 904 ret = rte_flow_conv_pattern((void *)((uintptr_t)dst + off), 905 size > off ? size - off : 0, 906 src->pattern_ro, 0, error); 907 if (ret < 0) 908 return ret; 909 if (size && size >= off + (size_t)ret) 910 dst->pattern = (void *)((uintptr_t)dst + off); 911 off += ret; 912 } 913 if (src->actions_ro) { 914 off = RTE_ALIGN_CEIL(off, sizeof(double)); 915 ret = rte_flow_conv_actions((void *)((uintptr_t)dst + off), 916 size > off ? size - off : 0, 917 src->actions_ro, 0, error); 918 if (ret < 0) 919 return ret; 920 if (size >= off + (size_t)ret) 921 dst->actions = (void *)((uintptr_t)dst + off); 922 off += ret; 923 } 924 return off; 925 } 926 927 /** 928 * Retrieve the name of a pattern item/action type. 929 * 930 * @param is_action 931 * Nonzero when @p src represents an action type instead of a pattern item 932 * type. 933 * @param is_ptr 934 * Nonzero to write string address instead of contents into @p dst. 935 * @param[out] dst 936 * Destination buffer. Can be NULL if @p size is zero. 937 * @param size 938 * Size of @p dst in bytes. 939 * @param[in] src 940 * Depending on @p is_action, source pattern item or action type cast as a 941 * pointer. 942 * @param[out] error 943 * Perform verbose error reporting if not NULL. 944 * 945 * @return 946 * A positive value representing the number of bytes needed to store the 947 * name or its address regardless of @p size on success (@p buf contents 948 * are truncated to @p size if not large enough), a negative errno value 949 * otherwise and rte_errno is set. 950 */ 951 static int 952 rte_flow_conv_name(int is_action, 953 int is_ptr, 954 char *dst, 955 const size_t size, 956 const void *src, 957 struct rte_flow_error *error) 958 { 959 struct desc_info { 960 const struct rte_flow_desc_data *data; 961 size_t num; 962 }; 963 static const struct desc_info info_rep[2] = { 964 { rte_flow_desc_item, RTE_DIM(rte_flow_desc_item), }, 965 { rte_flow_desc_action, RTE_DIM(rte_flow_desc_action), }, 966 }; 967 const struct desc_info *const info = &info_rep[!!is_action]; 968 unsigned int type = (uintptr_t)src; 969 970 if (type >= info->num) 971 return rte_flow_error_set 972 (error, EINVAL, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, 973 "unknown object type to retrieve the name of"); 974 if (!is_ptr) 975 return strlcpy(dst, info->data[type].name, size); 976 if (size >= sizeof(const char **)) 977 *((const char **)dst) = info->data[type].name; 978 return sizeof(const char **); 979 } 980 981 /** Helper function to convert flow API objects. */ 982 int 983 rte_flow_conv(enum rte_flow_conv_op op, 984 void *dst, 985 size_t size, 986 const void *src, 987 struct rte_flow_error *error) 988 { 989 switch (op) { 990 const struct rte_flow_attr *attr; 991 992 case RTE_FLOW_CONV_OP_NONE: 993 return 0; 994 case RTE_FLOW_CONV_OP_ATTR: 995 attr = src; 996 if (size > sizeof(*attr)) 997 size = sizeof(*attr); 998 rte_memcpy(dst, attr, size); 999 return sizeof(*attr); 1000 case RTE_FLOW_CONV_OP_ITEM: 1001 return rte_flow_conv_pattern(dst, size, src, 1, error); 1002 case RTE_FLOW_CONV_OP_ACTION: 1003 return rte_flow_conv_actions(dst, size, src, 1, error); 1004 case RTE_FLOW_CONV_OP_PATTERN: 1005 return rte_flow_conv_pattern(dst, size, src, 0, error); 1006 case RTE_FLOW_CONV_OP_ACTIONS: 1007 return rte_flow_conv_actions(dst, size, src, 0, error); 1008 case RTE_FLOW_CONV_OP_RULE: 1009 return rte_flow_conv_rule(dst, size, src, error); 1010 case RTE_FLOW_CONV_OP_ITEM_NAME: 1011 return rte_flow_conv_name(0, 0, dst, size, src, error); 1012 case RTE_FLOW_CONV_OP_ACTION_NAME: 1013 return rte_flow_conv_name(1, 0, dst, size, src, error); 1014 case RTE_FLOW_CONV_OP_ITEM_NAME_PTR: 1015 return rte_flow_conv_name(0, 1, dst, size, src, error); 1016 case RTE_FLOW_CONV_OP_ACTION_NAME_PTR: 1017 return rte_flow_conv_name(1, 1, dst, size, src, error); 1018 } 1019 return rte_flow_error_set 1020 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, 1021 "unknown object conversion operation"); 1022 } 1023 1024 /** Store a full rte_flow description. */ 1025 size_t 1026 rte_flow_copy(struct rte_flow_desc *desc, size_t len, 1027 const struct rte_flow_attr *attr, 1028 const struct rte_flow_item *items, 1029 const struct rte_flow_action *actions) 1030 { 1031 /* 1032 * Overlap struct rte_flow_conv with struct rte_flow_desc in order 1033 * to convert the former to the latter without wasting space. 1034 */ 1035 struct rte_flow_conv_rule *dst = 1036 len ? 1037 (void *)((uintptr_t)desc + 1038 (offsetof(struct rte_flow_desc, actions) - 1039 offsetof(struct rte_flow_conv_rule, actions))) : 1040 NULL; 1041 size_t dst_size = 1042 len > sizeof(*desc) - sizeof(*dst) ? 1043 len - (sizeof(*desc) - sizeof(*dst)) : 1044 0; 1045 struct rte_flow_conv_rule src = { 1046 .attr_ro = NULL, 1047 .pattern_ro = items, 1048 .actions_ro = actions, 1049 }; 1050 int ret; 1051 1052 RTE_BUILD_BUG_ON(sizeof(struct rte_flow_desc) < 1053 sizeof(struct rte_flow_conv_rule)); 1054 if (dst_size && 1055 (&dst->pattern != &desc->items || 1056 &dst->actions != &desc->actions || 1057 (uintptr_t)(dst + 1) != (uintptr_t)(desc + 1))) { 1058 rte_errno = EINVAL; 1059 return 0; 1060 } 1061 ret = rte_flow_conv(RTE_FLOW_CONV_OP_RULE, dst, dst_size, &src, NULL); 1062 if (ret < 0) 1063 return 0; 1064 ret += sizeof(*desc) - sizeof(*dst); 1065 rte_memcpy(desc, 1066 (&(struct rte_flow_desc){ 1067 .size = ret, 1068 .attr = *attr, 1069 .items = dst_size ? dst->pattern : NULL, 1070 .actions = dst_size ? dst->actions : NULL, 1071 }), 1072 len > sizeof(*desc) ? sizeof(*desc) : len); 1073 return ret; 1074 } 1075 1076 int 1077 rte_flow_dev_dump(uint16_t port_id, struct rte_flow *flow, 1078 FILE *file, struct rte_flow_error *error) 1079 { 1080 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1081 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1082 int ret; 1083 1084 if (unlikely(!ops)) 1085 return -rte_errno; 1086 if (likely(!!ops->dev_dump)) { 1087 fts_enter(dev); 1088 ret = ops->dev_dump(dev, flow, file, error); 1089 fts_exit(dev); 1090 return flow_err(port_id, ret, error); 1091 } 1092 return rte_flow_error_set(error, ENOSYS, 1093 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1094 NULL, rte_strerror(ENOSYS)); 1095 } 1096 1097 int 1098 rte_flow_get_aged_flows(uint16_t port_id, void **contexts, 1099 uint32_t nb_contexts, struct rte_flow_error *error) 1100 { 1101 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1102 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1103 int ret; 1104 1105 if (unlikely(!ops)) 1106 return -rte_errno; 1107 if (likely(!!ops->get_aged_flows)) { 1108 fts_enter(dev); 1109 ret = ops->get_aged_flows(dev, contexts, nb_contexts, error); 1110 fts_exit(dev); 1111 return flow_err(port_id, ret, error); 1112 } 1113 return rte_flow_error_set(error, ENOTSUP, 1114 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1115 NULL, rte_strerror(ENOTSUP)); 1116 } 1117 1118 struct rte_flow_action_handle * 1119 rte_flow_action_handle_create(uint16_t port_id, 1120 const struct rte_flow_indir_action_conf *conf, 1121 const struct rte_flow_action *action, 1122 struct rte_flow_error *error) 1123 { 1124 struct rte_flow_action_handle *handle; 1125 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1126 1127 if (unlikely(!ops)) 1128 return NULL; 1129 if (unlikely(!ops->action_handle_create)) { 1130 rte_flow_error_set(error, ENOSYS, 1131 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, 1132 rte_strerror(ENOSYS)); 1133 return NULL; 1134 } 1135 handle = ops->action_handle_create(&rte_eth_devices[port_id], 1136 conf, action, error); 1137 if (handle == NULL) 1138 flow_err(port_id, -rte_errno, error); 1139 return handle; 1140 } 1141 1142 int 1143 rte_flow_action_handle_destroy(uint16_t port_id, 1144 struct rte_flow_action_handle *handle, 1145 struct rte_flow_error *error) 1146 { 1147 int ret; 1148 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1149 1150 if (unlikely(!ops)) 1151 return -rte_errno; 1152 if (unlikely(!ops->action_handle_destroy)) 1153 return rte_flow_error_set(error, ENOSYS, 1154 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1155 NULL, rte_strerror(ENOSYS)); 1156 ret = ops->action_handle_destroy(&rte_eth_devices[port_id], 1157 handle, error); 1158 return flow_err(port_id, ret, error); 1159 } 1160 1161 int 1162 rte_flow_action_handle_update(uint16_t port_id, 1163 struct rte_flow_action_handle *handle, 1164 const void *update, 1165 struct rte_flow_error *error) 1166 { 1167 int ret; 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 (unlikely(!ops->action_handle_update)) 1173 return rte_flow_error_set(error, ENOSYS, 1174 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1175 NULL, rte_strerror(ENOSYS)); 1176 ret = ops->action_handle_update(&rte_eth_devices[port_id], handle, 1177 update, error); 1178 return flow_err(port_id, ret, error); 1179 } 1180 1181 int 1182 rte_flow_action_handle_query(uint16_t port_id, 1183 const struct rte_flow_action_handle *handle, 1184 void *data, 1185 struct rte_flow_error *error) 1186 { 1187 int ret; 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 (unlikely(!ops->action_handle_query)) 1193 return rte_flow_error_set(error, ENOSYS, 1194 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1195 NULL, rte_strerror(ENOSYS)); 1196 ret = ops->action_handle_query(&rte_eth_devices[port_id], handle, 1197 data, error); 1198 return flow_err(port_id, ret, error); 1199 } 1200 1201 int 1202 rte_flow_tunnel_decap_set(uint16_t port_id, 1203 struct rte_flow_tunnel *tunnel, 1204 struct rte_flow_action **actions, 1205 uint32_t *num_of_actions, 1206 struct rte_flow_error *error) 1207 { 1208 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1209 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1210 1211 if (unlikely(!ops)) 1212 return -rte_errno; 1213 if (likely(!!ops->tunnel_decap_set)) { 1214 return flow_err(port_id, 1215 ops->tunnel_decap_set(dev, tunnel, actions, 1216 num_of_actions, error), 1217 error); 1218 } 1219 return rte_flow_error_set(error, ENOTSUP, 1220 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1221 NULL, rte_strerror(ENOTSUP)); 1222 } 1223 1224 int 1225 rte_flow_tunnel_match(uint16_t port_id, 1226 struct rte_flow_tunnel *tunnel, 1227 struct rte_flow_item **items, 1228 uint32_t *num_of_items, 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_match)) { 1237 return flow_err(port_id, 1238 ops->tunnel_match(dev, tunnel, items, 1239 num_of_items, error), 1240 error); 1241 } 1242 return rte_flow_error_set(error, ENOTSUP, 1243 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1244 NULL, rte_strerror(ENOTSUP)); 1245 } 1246 1247 int 1248 rte_flow_get_restore_info(uint16_t port_id, 1249 struct rte_mbuf *m, 1250 struct rte_flow_restore_info *restore_info, 1251 struct rte_flow_error *error) 1252 { 1253 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1254 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1255 1256 if (unlikely(!ops)) 1257 return -rte_errno; 1258 if (likely(!!ops->get_restore_info)) { 1259 return flow_err(port_id, 1260 ops->get_restore_info(dev, m, restore_info, 1261 error), 1262 error); 1263 } 1264 return rte_flow_error_set(error, ENOTSUP, 1265 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1266 NULL, rte_strerror(ENOTSUP)); 1267 } 1268 1269 int 1270 rte_flow_tunnel_action_decap_release(uint16_t port_id, 1271 struct rte_flow_action *actions, 1272 uint32_t num_of_actions, 1273 struct rte_flow_error *error) 1274 { 1275 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1276 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1277 1278 if (unlikely(!ops)) 1279 return -rte_errno; 1280 if (likely(!!ops->tunnel_action_decap_release)) { 1281 return flow_err(port_id, 1282 ops->tunnel_action_decap_release(dev, actions, 1283 num_of_actions, 1284 error), 1285 error); 1286 } 1287 return rte_flow_error_set(error, ENOTSUP, 1288 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1289 NULL, rte_strerror(ENOTSUP)); 1290 } 1291 1292 int 1293 rte_flow_tunnel_item_release(uint16_t port_id, 1294 struct rte_flow_item *items, 1295 uint32_t num_of_items, 1296 struct rte_flow_error *error) 1297 { 1298 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1299 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1300 1301 if (unlikely(!ops)) 1302 return -rte_errno; 1303 if (likely(!!ops->tunnel_item_release)) { 1304 return flow_err(port_id, 1305 ops->tunnel_item_release(dev, items, 1306 num_of_items, error), 1307 error); 1308 } 1309 return rte_flow_error_set(error, ENOTSUP, 1310 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1311 NULL, rte_strerror(ENOTSUP)); 1312 } 1313 1314 int 1315 rte_flow_pick_transfer_proxy(uint16_t port_id, uint16_t *proxy_port_id, 1316 struct rte_flow_error *error) 1317 { 1318 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1319 struct rte_eth_dev *dev; 1320 1321 if (unlikely(ops == NULL)) 1322 return -rte_errno; 1323 1324 if (ops->pick_transfer_proxy == NULL) { 1325 *proxy_port_id = port_id; 1326 return 0; 1327 } 1328 1329 dev = &rte_eth_devices[port_id]; 1330 1331 return flow_err(port_id, 1332 ops->pick_transfer_proxy(dev, proxy_port_id, error), 1333 error); 1334 } 1335