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 static size_t 67 rte_flow_item_flex_conv(void *buf, const void *data) 68 { 69 struct rte_flow_item_flex *dst = buf; 70 const struct rte_flow_item_flex *src = data; 71 if (buf) { 72 dst->pattern = rte_memcpy 73 ((void *)((uintptr_t)(dst + 1)), src->pattern, 74 src->length); 75 } 76 return src->length; 77 } 78 79 /** Generate flow_item[] entry. */ 80 #define MK_FLOW_ITEM(t, s) \ 81 [RTE_FLOW_ITEM_TYPE_ ## t] = { \ 82 .name = # t, \ 83 .size = s, \ 84 .desc_fn = NULL,\ 85 } 86 87 #define MK_FLOW_ITEM_FN(t, s, fn) \ 88 [RTE_FLOW_ITEM_TYPE_ ## t] = {\ 89 .name = # t, \ 90 .size = s, \ 91 .desc_fn = fn, \ 92 } 93 94 /** Information about known flow pattern items. */ 95 static const struct rte_flow_desc_data rte_flow_desc_item[] = { 96 MK_FLOW_ITEM(END, 0), 97 MK_FLOW_ITEM(VOID, 0), 98 MK_FLOW_ITEM(INVERT, 0), 99 MK_FLOW_ITEM(ANY, sizeof(struct rte_flow_item_any)), 100 MK_FLOW_ITEM(PF, 0), 101 MK_FLOW_ITEM(VF, sizeof(struct rte_flow_item_vf)), 102 MK_FLOW_ITEM(PHY_PORT, sizeof(struct rte_flow_item_phy_port)), 103 MK_FLOW_ITEM(PORT_ID, sizeof(struct rte_flow_item_port_id)), 104 MK_FLOW_ITEM(RAW, sizeof(struct rte_flow_item_raw)), 105 MK_FLOW_ITEM(ETH, sizeof(struct rte_flow_item_eth)), 106 MK_FLOW_ITEM(VLAN, sizeof(struct rte_flow_item_vlan)), 107 MK_FLOW_ITEM(IPV4, sizeof(struct rte_flow_item_ipv4)), 108 MK_FLOW_ITEM(IPV6, sizeof(struct rte_flow_item_ipv6)), 109 MK_FLOW_ITEM(ICMP, sizeof(struct rte_flow_item_icmp)), 110 MK_FLOW_ITEM(UDP, sizeof(struct rte_flow_item_udp)), 111 MK_FLOW_ITEM(TCP, sizeof(struct rte_flow_item_tcp)), 112 MK_FLOW_ITEM(SCTP, sizeof(struct rte_flow_item_sctp)), 113 MK_FLOW_ITEM(VXLAN, sizeof(struct rte_flow_item_vxlan)), 114 MK_FLOW_ITEM(E_TAG, sizeof(struct rte_flow_item_e_tag)), 115 MK_FLOW_ITEM(NVGRE, sizeof(struct rte_flow_item_nvgre)), 116 MK_FLOW_ITEM(MPLS, sizeof(struct rte_flow_item_mpls)), 117 MK_FLOW_ITEM(GRE, sizeof(struct rte_flow_item_gre)), 118 MK_FLOW_ITEM(FUZZY, sizeof(struct rte_flow_item_fuzzy)), 119 MK_FLOW_ITEM(GTP, sizeof(struct rte_flow_item_gtp)), 120 MK_FLOW_ITEM(GTPC, sizeof(struct rte_flow_item_gtp)), 121 MK_FLOW_ITEM(GTPU, sizeof(struct rte_flow_item_gtp)), 122 MK_FLOW_ITEM(ESP, sizeof(struct rte_flow_item_esp)), 123 MK_FLOW_ITEM(GENEVE, sizeof(struct rte_flow_item_geneve)), 124 MK_FLOW_ITEM(VXLAN_GPE, sizeof(struct rte_flow_item_vxlan_gpe)), 125 MK_FLOW_ITEM(ARP_ETH_IPV4, sizeof(struct rte_flow_item_arp_eth_ipv4)), 126 MK_FLOW_ITEM(IPV6_EXT, sizeof(struct rte_flow_item_ipv6_ext)), 127 MK_FLOW_ITEM(IPV6_FRAG_EXT, sizeof(struct rte_flow_item_ipv6_frag_ext)), 128 MK_FLOW_ITEM(ICMP6, sizeof(struct rte_flow_item_icmp6)), 129 MK_FLOW_ITEM(ICMP6_ND_NS, sizeof(struct rte_flow_item_icmp6_nd_ns)), 130 MK_FLOW_ITEM(ICMP6_ND_NA, sizeof(struct rte_flow_item_icmp6_nd_na)), 131 MK_FLOW_ITEM(ICMP6_ND_OPT, sizeof(struct rte_flow_item_icmp6_nd_opt)), 132 MK_FLOW_ITEM(ICMP6_ND_OPT_SLA_ETH, 133 sizeof(struct rte_flow_item_icmp6_nd_opt_sla_eth)), 134 MK_FLOW_ITEM(ICMP6_ND_OPT_TLA_ETH, 135 sizeof(struct rte_flow_item_icmp6_nd_opt_tla_eth)), 136 MK_FLOW_ITEM(MARK, sizeof(struct rte_flow_item_mark)), 137 MK_FLOW_ITEM(META, sizeof(struct rte_flow_item_meta)), 138 MK_FLOW_ITEM(TAG, sizeof(struct rte_flow_item_tag)), 139 MK_FLOW_ITEM(GRE_KEY, sizeof(rte_be32_t)), 140 MK_FLOW_ITEM(GTP_PSC, sizeof(struct rte_flow_item_gtp_psc)), 141 MK_FLOW_ITEM(PPPOES, sizeof(struct rte_flow_item_pppoe)), 142 MK_FLOW_ITEM(PPPOED, sizeof(struct rte_flow_item_pppoe)), 143 MK_FLOW_ITEM(PPPOE_PROTO_ID, 144 sizeof(struct rte_flow_item_pppoe_proto_id)), 145 MK_FLOW_ITEM(NSH, sizeof(struct rte_flow_item_nsh)), 146 MK_FLOW_ITEM(IGMP, sizeof(struct rte_flow_item_igmp)), 147 MK_FLOW_ITEM(AH, sizeof(struct rte_flow_item_ah)), 148 MK_FLOW_ITEM(HIGIG2, sizeof(struct rte_flow_item_higig2_hdr)), 149 MK_FLOW_ITEM(L2TPV3OIP, sizeof(struct rte_flow_item_l2tpv3oip)), 150 MK_FLOW_ITEM(PFCP, sizeof(struct rte_flow_item_pfcp)), 151 MK_FLOW_ITEM(ECPRI, sizeof(struct rte_flow_item_ecpri)), 152 MK_FLOW_ITEM(GENEVE_OPT, sizeof(struct rte_flow_item_geneve_opt)), 153 MK_FLOW_ITEM(INTEGRITY, sizeof(struct rte_flow_item_integrity)), 154 MK_FLOW_ITEM(CONNTRACK, sizeof(uint32_t)), 155 MK_FLOW_ITEM(PORT_REPRESENTOR, sizeof(struct rte_flow_item_ethdev)), 156 MK_FLOW_ITEM(REPRESENTED_PORT, sizeof(struct rte_flow_item_ethdev)), 157 MK_FLOW_ITEM_FN(FLEX, sizeof(struct rte_flow_item_flex), 158 rte_flow_item_flex_conv), 159 }; 160 161 /** Generate flow_action[] entry. */ 162 #define MK_FLOW_ACTION(t, s) \ 163 [RTE_FLOW_ACTION_TYPE_ ## t] = { \ 164 .name = # t, \ 165 .size = s, \ 166 .desc_fn = NULL,\ 167 } 168 169 #define MK_FLOW_ACTION_FN(t, fn) \ 170 [RTE_FLOW_ACTION_TYPE_ ## t] = { \ 171 .name = # t, \ 172 .size = 0, \ 173 .desc_fn = fn,\ 174 } 175 176 177 /** Information about known flow actions. */ 178 static const struct rte_flow_desc_data rte_flow_desc_action[] = { 179 MK_FLOW_ACTION(END, 0), 180 MK_FLOW_ACTION(VOID, 0), 181 MK_FLOW_ACTION(PASSTHRU, 0), 182 MK_FLOW_ACTION(JUMP, sizeof(struct rte_flow_action_jump)), 183 MK_FLOW_ACTION(MARK, sizeof(struct rte_flow_action_mark)), 184 MK_FLOW_ACTION(FLAG, 0), 185 MK_FLOW_ACTION(QUEUE, sizeof(struct rte_flow_action_queue)), 186 MK_FLOW_ACTION(DROP, 0), 187 MK_FLOW_ACTION(COUNT, sizeof(struct rte_flow_action_count)), 188 MK_FLOW_ACTION(RSS, sizeof(struct rte_flow_action_rss)), 189 MK_FLOW_ACTION(PF, 0), 190 MK_FLOW_ACTION(VF, sizeof(struct rte_flow_action_vf)), 191 MK_FLOW_ACTION(PHY_PORT, sizeof(struct rte_flow_action_phy_port)), 192 MK_FLOW_ACTION(PORT_ID, sizeof(struct rte_flow_action_port_id)), 193 MK_FLOW_ACTION(METER, sizeof(struct rte_flow_action_meter)), 194 MK_FLOW_ACTION(SECURITY, sizeof(struct rte_flow_action_security)), 195 MK_FLOW_ACTION(OF_SET_MPLS_TTL, 196 sizeof(struct rte_flow_action_of_set_mpls_ttl)), 197 MK_FLOW_ACTION(OF_DEC_MPLS_TTL, 0), 198 MK_FLOW_ACTION(OF_SET_NW_TTL, 199 sizeof(struct rte_flow_action_of_set_nw_ttl)), 200 MK_FLOW_ACTION(OF_DEC_NW_TTL, 0), 201 MK_FLOW_ACTION(OF_COPY_TTL_OUT, 0), 202 MK_FLOW_ACTION(OF_COPY_TTL_IN, 0), 203 MK_FLOW_ACTION(OF_POP_VLAN, 0), 204 MK_FLOW_ACTION(OF_PUSH_VLAN, 205 sizeof(struct rte_flow_action_of_push_vlan)), 206 MK_FLOW_ACTION(OF_SET_VLAN_VID, 207 sizeof(struct rte_flow_action_of_set_vlan_vid)), 208 MK_FLOW_ACTION(OF_SET_VLAN_PCP, 209 sizeof(struct rte_flow_action_of_set_vlan_pcp)), 210 MK_FLOW_ACTION(OF_POP_MPLS, 211 sizeof(struct rte_flow_action_of_pop_mpls)), 212 MK_FLOW_ACTION(OF_PUSH_MPLS, 213 sizeof(struct rte_flow_action_of_push_mpls)), 214 MK_FLOW_ACTION(VXLAN_ENCAP, sizeof(struct rte_flow_action_vxlan_encap)), 215 MK_FLOW_ACTION(VXLAN_DECAP, 0), 216 MK_FLOW_ACTION(NVGRE_ENCAP, sizeof(struct rte_flow_action_vxlan_encap)), 217 MK_FLOW_ACTION(NVGRE_DECAP, 0), 218 MK_FLOW_ACTION(RAW_ENCAP, sizeof(struct rte_flow_action_raw_encap)), 219 MK_FLOW_ACTION(RAW_DECAP, sizeof(struct rte_flow_action_raw_decap)), 220 MK_FLOW_ACTION(SET_IPV4_SRC, 221 sizeof(struct rte_flow_action_set_ipv4)), 222 MK_FLOW_ACTION(SET_IPV4_DST, 223 sizeof(struct rte_flow_action_set_ipv4)), 224 MK_FLOW_ACTION(SET_IPV6_SRC, 225 sizeof(struct rte_flow_action_set_ipv6)), 226 MK_FLOW_ACTION(SET_IPV6_DST, 227 sizeof(struct rte_flow_action_set_ipv6)), 228 MK_FLOW_ACTION(SET_TP_SRC, 229 sizeof(struct rte_flow_action_set_tp)), 230 MK_FLOW_ACTION(SET_TP_DST, 231 sizeof(struct rte_flow_action_set_tp)), 232 MK_FLOW_ACTION(MAC_SWAP, 0), 233 MK_FLOW_ACTION(DEC_TTL, 0), 234 MK_FLOW_ACTION(SET_TTL, sizeof(struct rte_flow_action_set_ttl)), 235 MK_FLOW_ACTION(SET_MAC_SRC, sizeof(struct rte_flow_action_set_mac)), 236 MK_FLOW_ACTION(SET_MAC_DST, sizeof(struct rte_flow_action_set_mac)), 237 MK_FLOW_ACTION(INC_TCP_SEQ, sizeof(rte_be32_t)), 238 MK_FLOW_ACTION(DEC_TCP_SEQ, sizeof(rte_be32_t)), 239 MK_FLOW_ACTION(INC_TCP_ACK, sizeof(rte_be32_t)), 240 MK_FLOW_ACTION(DEC_TCP_ACK, sizeof(rte_be32_t)), 241 MK_FLOW_ACTION(SET_TAG, sizeof(struct rte_flow_action_set_tag)), 242 MK_FLOW_ACTION(SET_META, sizeof(struct rte_flow_action_set_meta)), 243 MK_FLOW_ACTION(SET_IPV4_DSCP, sizeof(struct rte_flow_action_set_dscp)), 244 MK_FLOW_ACTION(SET_IPV6_DSCP, sizeof(struct rte_flow_action_set_dscp)), 245 MK_FLOW_ACTION(AGE, sizeof(struct rte_flow_action_age)), 246 MK_FLOW_ACTION(SAMPLE, sizeof(struct rte_flow_action_sample)), 247 MK_FLOW_ACTION(MODIFY_FIELD, 248 sizeof(struct rte_flow_action_modify_field)), 249 /** 250 * Indirect action represented as handle of type 251 * (struct rte_flow_action_handle *) stored in conf field (see 252 * struct rte_flow_action); no need for additional structure to * store 253 * indirect action handle. 254 */ 255 MK_FLOW_ACTION(INDIRECT, 0), 256 MK_FLOW_ACTION(CONNTRACK, sizeof(struct rte_flow_action_conntrack)), 257 MK_FLOW_ACTION(PORT_REPRESENTOR, sizeof(struct rte_flow_action_ethdev)), 258 MK_FLOW_ACTION(REPRESENTED_PORT, sizeof(struct rte_flow_action_ethdev)), 259 }; 260 261 int 262 rte_flow_dynf_metadata_register(void) 263 { 264 int offset; 265 int flag; 266 267 static const struct rte_mbuf_dynfield desc_offs = { 268 .name = RTE_MBUF_DYNFIELD_METADATA_NAME, 269 .size = sizeof(uint32_t), 270 .align = __alignof__(uint32_t), 271 }; 272 static const struct rte_mbuf_dynflag desc_flag = { 273 .name = RTE_MBUF_DYNFLAG_METADATA_NAME, 274 }; 275 276 offset = rte_mbuf_dynfield_register(&desc_offs); 277 if (offset < 0) 278 goto error; 279 flag = rte_mbuf_dynflag_register(&desc_flag); 280 if (flag < 0) 281 goto error; 282 rte_flow_dynf_metadata_offs = offset; 283 rte_flow_dynf_metadata_mask = (1ULL << flag); 284 return 0; 285 286 error: 287 rte_flow_dynf_metadata_offs = -1; 288 rte_flow_dynf_metadata_mask = 0ULL; 289 return -rte_errno; 290 } 291 292 static inline void 293 fts_enter(struct rte_eth_dev *dev) 294 { 295 if (!(dev->data->dev_flags & RTE_ETH_DEV_FLOW_OPS_THREAD_SAFE)) 296 pthread_mutex_lock(&dev->data->flow_ops_mutex); 297 } 298 299 static inline void 300 fts_exit(struct rte_eth_dev *dev) 301 { 302 if (!(dev->data->dev_flags & RTE_ETH_DEV_FLOW_OPS_THREAD_SAFE)) 303 pthread_mutex_unlock(&dev->data->flow_ops_mutex); 304 } 305 306 static int 307 flow_err(uint16_t port_id, int ret, struct rte_flow_error *error) 308 { 309 if (ret == 0) 310 return 0; 311 if (rte_eth_dev_is_removed(port_id)) 312 return rte_flow_error_set(error, EIO, 313 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 314 NULL, rte_strerror(EIO)); 315 return ret; 316 } 317 318 /* Get generic flow operations structure from a port. */ 319 const struct rte_flow_ops * 320 rte_flow_ops_get(uint16_t port_id, struct rte_flow_error *error) 321 { 322 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 323 const struct rte_flow_ops *ops; 324 int code; 325 326 if (unlikely(!rte_eth_dev_is_valid_port(port_id))) 327 code = ENODEV; 328 else if (unlikely(dev->dev_ops->flow_ops_get == NULL)) 329 /* flow API not supported with this driver dev_ops */ 330 code = ENOSYS; 331 else 332 code = dev->dev_ops->flow_ops_get(dev, &ops); 333 if (code == 0 && ops == NULL) 334 /* flow API not supported with this device */ 335 code = ENOSYS; 336 337 if (code != 0) { 338 rte_flow_error_set(error, code, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 339 NULL, rte_strerror(code)); 340 return NULL; 341 } 342 return ops; 343 } 344 345 /* Check whether a flow rule can be created on a given port. */ 346 int 347 rte_flow_validate(uint16_t port_id, 348 const struct rte_flow_attr *attr, 349 const struct rte_flow_item pattern[], 350 const struct rte_flow_action actions[], 351 struct rte_flow_error *error) 352 { 353 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 354 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 355 int ret; 356 357 if (unlikely(!ops)) 358 return -rte_errno; 359 if (likely(!!ops->validate)) { 360 fts_enter(dev); 361 ret = ops->validate(dev, attr, pattern, actions, error); 362 fts_exit(dev); 363 return flow_err(port_id, ret, error); 364 } 365 return rte_flow_error_set(error, ENOSYS, 366 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 367 NULL, rte_strerror(ENOSYS)); 368 } 369 370 /* Create a flow rule on a given port. */ 371 struct rte_flow * 372 rte_flow_create(uint16_t port_id, 373 const struct rte_flow_attr *attr, 374 const struct rte_flow_item pattern[], 375 const struct rte_flow_action actions[], 376 struct rte_flow_error *error) 377 { 378 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 379 struct rte_flow *flow; 380 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 381 382 if (unlikely(!ops)) 383 return NULL; 384 if (likely(!!ops->create)) { 385 fts_enter(dev); 386 flow = ops->create(dev, attr, pattern, actions, error); 387 fts_exit(dev); 388 if (flow == NULL) 389 flow_err(port_id, -rte_errno, error); 390 return flow; 391 } 392 rte_flow_error_set(error, ENOSYS, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 393 NULL, rte_strerror(ENOSYS)); 394 return NULL; 395 } 396 397 /* Destroy a flow rule on a given port. */ 398 int 399 rte_flow_destroy(uint16_t port_id, 400 struct rte_flow *flow, 401 struct rte_flow_error *error) 402 { 403 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 404 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 405 int ret; 406 407 if (unlikely(!ops)) 408 return -rte_errno; 409 if (likely(!!ops->destroy)) { 410 fts_enter(dev); 411 ret = ops->destroy(dev, flow, error); 412 fts_exit(dev); 413 return flow_err(port_id, ret, error); 414 } 415 return rte_flow_error_set(error, ENOSYS, 416 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 417 NULL, rte_strerror(ENOSYS)); 418 } 419 420 /* Destroy all flow rules associated with a port. */ 421 int 422 rte_flow_flush(uint16_t port_id, 423 struct rte_flow_error *error) 424 { 425 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 426 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 427 int ret; 428 429 if (unlikely(!ops)) 430 return -rte_errno; 431 if (likely(!!ops->flush)) { 432 fts_enter(dev); 433 ret = ops->flush(dev, error); 434 fts_exit(dev); 435 return flow_err(port_id, ret, error); 436 } 437 return rte_flow_error_set(error, ENOSYS, 438 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 439 NULL, rte_strerror(ENOSYS)); 440 } 441 442 /* Query an existing flow rule. */ 443 int 444 rte_flow_query(uint16_t port_id, 445 struct rte_flow *flow, 446 const struct rte_flow_action *action, 447 void *data, 448 struct rte_flow_error *error) 449 { 450 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 451 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 452 int ret; 453 454 if (!ops) 455 return -rte_errno; 456 if (likely(!!ops->query)) { 457 fts_enter(dev); 458 ret = ops->query(dev, flow, action, data, error); 459 fts_exit(dev); 460 return flow_err(port_id, ret, error); 461 } 462 return rte_flow_error_set(error, ENOSYS, 463 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 464 NULL, rte_strerror(ENOSYS)); 465 } 466 467 /* Restrict ingress traffic to the defined flow rules. */ 468 int 469 rte_flow_isolate(uint16_t port_id, 470 int set, 471 struct rte_flow_error *error) 472 { 473 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 474 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 475 int ret; 476 477 if (!ops) 478 return -rte_errno; 479 if (likely(!!ops->isolate)) { 480 fts_enter(dev); 481 ret = ops->isolate(dev, set, error); 482 fts_exit(dev); 483 return flow_err(port_id, ret, error); 484 } 485 return rte_flow_error_set(error, ENOSYS, 486 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 487 NULL, rte_strerror(ENOSYS)); 488 } 489 490 /* Initialize flow error structure. */ 491 int 492 rte_flow_error_set(struct rte_flow_error *error, 493 int code, 494 enum rte_flow_error_type type, 495 const void *cause, 496 const char *message) 497 { 498 if (error) { 499 *error = (struct rte_flow_error){ 500 .type = type, 501 .cause = cause, 502 .message = message, 503 }; 504 } 505 rte_errno = code; 506 return -code; 507 } 508 509 /** Pattern item specification types. */ 510 enum rte_flow_conv_item_spec_type { 511 RTE_FLOW_CONV_ITEM_SPEC, 512 RTE_FLOW_CONV_ITEM_LAST, 513 RTE_FLOW_CONV_ITEM_MASK, 514 }; 515 516 /** 517 * Copy pattern item specification. 518 * 519 * @param[out] buf 520 * Output buffer. Can be NULL if @p size is zero. 521 * @param size 522 * Size of @p buf in bytes. 523 * @param[in] item 524 * Pattern item to copy specification from. 525 * @param type 526 * Specification selector for either @p spec, @p last or @p mask. 527 * 528 * @return 529 * Number of bytes needed to store pattern item specification regardless 530 * of @p size. @p buf contents are truncated to @p size if not large 531 * enough. 532 */ 533 static size_t 534 rte_flow_conv_item_spec(void *buf, const size_t size, 535 const struct rte_flow_item *item, 536 enum rte_flow_conv_item_spec_type type) 537 { 538 size_t off; 539 const void *data = 540 type == RTE_FLOW_CONV_ITEM_SPEC ? item->spec : 541 type == RTE_FLOW_CONV_ITEM_LAST ? item->last : 542 type == RTE_FLOW_CONV_ITEM_MASK ? item->mask : 543 NULL; 544 545 switch (item->type) { 546 union { 547 const struct rte_flow_item_raw *raw; 548 } spec; 549 union { 550 const struct rte_flow_item_raw *raw; 551 } last; 552 union { 553 const struct rte_flow_item_raw *raw; 554 } mask; 555 union { 556 const struct rte_flow_item_raw *raw; 557 } src; 558 union { 559 struct rte_flow_item_raw *raw; 560 } dst; 561 size_t tmp; 562 563 case RTE_FLOW_ITEM_TYPE_RAW: 564 spec.raw = item->spec; 565 last.raw = item->last ? item->last : item->spec; 566 mask.raw = item->mask ? item->mask : &rte_flow_item_raw_mask; 567 src.raw = data; 568 dst.raw = buf; 569 rte_memcpy(dst.raw, 570 (&(struct rte_flow_item_raw){ 571 .relative = src.raw->relative, 572 .search = src.raw->search, 573 .reserved = src.raw->reserved, 574 .offset = src.raw->offset, 575 .limit = src.raw->limit, 576 .length = src.raw->length, 577 }), 578 size > sizeof(*dst.raw) ? sizeof(*dst.raw) : size); 579 off = sizeof(*dst.raw); 580 if (type == RTE_FLOW_CONV_ITEM_SPEC || 581 (type == RTE_FLOW_CONV_ITEM_MASK && 582 ((spec.raw->length & mask.raw->length) >= 583 (last.raw->length & mask.raw->length)))) 584 tmp = spec.raw->length & mask.raw->length; 585 else 586 tmp = last.raw->length & mask.raw->length; 587 if (tmp) { 588 off = RTE_ALIGN_CEIL(off, sizeof(*dst.raw->pattern)); 589 if (size >= off + tmp) 590 dst.raw->pattern = rte_memcpy 591 ((void *)((uintptr_t)dst.raw + off), 592 src.raw->pattern, tmp); 593 off += tmp; 594 } 595 break; 596 default: 597 off = rte_flow_conv_copy(buf, data, size, 598 rte_flow_desc_item, item->type); 599 break; 600 } 601 return off; 602 } 603 604 /** 605 * Copy action configuration. 606 * 607 * @param[out] buf 608 * Output buffer. Can be NULL if @p size is zero. 609 * @param size 610 * Size of @p buf in bytes. 611 * @param[in] action 612 * Action to copy configuration from. 613 * 614 * @return 615 * Number of bytes needed to store pattern item specification regardless 616 * of @p size. @p buf contents are truncated to @p size if not large 617 * enough. 618 */ 619 static size_t 620 rte_flow_conv_action_conf(void *buf, const size_t size, 621 const struct rte_flow_action *action) 622 { 623 size_t off; 624 625 switch (action->type) { 626 union { 627 const struct rte_flow_action_rss *rss; 628 const struct rte_flow_action_vxlan_encap *vxlan_encap; 629 const struct rte_flow_action_nvgre_encap *nvgre_encap; 630 } src; 631 union { 632 struct rte_flow_action_rss *rss; 633 struct rte_flow_action_vxlan_encap *vxlan_encap; 634 struct rte_flow_action_nvgre_encap *nvgre_encap; 635 } dst; 636 size_t tmp; 637 int ret; 638 639 case RTE_FLOW_ACTION_TYPE_RSS: 640 src.rss = action->conf; 641 dst.rss = buf; 642 rte_memcpy(dst.rss, 643 (&(struct rte_flow_action_rss){ 644 .func = src.rss->func, 645 .level = src.rss->level, 646 .types = src.rss->types, 647 .key_len = src.rss->key_len, 648 .queue_num = src.rss->queue_num, 649 }), 650 size > sizeof(*dst.rss) ? sizeof(*dst.rss) : size); 651 off = sizeof(*dst.rss); 652 if (src.rss->key_len && src.rss->key) { 653 off = RTE_ALIGN_CEIL(off, sizeof(*dst.rss->key)); 654 tmp = sizeof(*src.rss->key) * src.rss->key_len; 655 if (size >= off + tmp) 656 dst.rss->key = rte_memcpy 657 ((void *)((uintptr_t)dst.rss + off), 658 src.rss->key, tmp); 659 off += tmp; 660 } 661 if (src.rss->queue_num) { 662 off = RTE_ALIGN_CEIL(off, sizeof(*dst.rss->queue)); 663 tmp = sizeof(*src.rss->queue) * src.rss->queue_num; 664 if (size >= off + tmp) 665 dst.rss->queue = rte_memcpy 666 ((void *)((uintptr_t)dst.rss + off), 667 src.rss->queue, tmp); 668 off += tmp; 669 } 670 break; 671 case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP: 672 case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP: 673 src.vxlan_encap = action->conf; 674 dst.vxlan_encap = buf; 675 RTE_BUILD_BUG_ON(sizeof(*src.vxlan_encap) != 676 sizeof(*src.nvgre_encap) || 677 offsetof(struct rte_flow_action_vxlan_encap, 678 definition) != 679 offsetof(struct rte_flow_action_nvgre_encap, 680 definition)); 681 off = sizeof(*dst.vxlan_encap); 682 if (src.vxlan_encap->definition) { 683 off = RTE_ALIGN_CEIL 684 (off, sizeof(*dst.vxlan_encap->definition)); 685 ret = rte_flow_conv 686 (RTE_FLOW_CONV_OP_PATTERN, 687 (void *)((uintptr_t)dst.vxlan_encap + off), 688 size > off ? size - off : 0, 689 src.vxlan_encap->definition, NULL); 690 if (ret < 0) 691 return 0; 692 if (size >= off + ret) 693 dst.vxlan_encap->definition = 694 (void *)((uintptr_t)dst.vxlan_encap + 695 off); 696 off += ret; 697 } 698 break; 699 default: 700 off = rte_flow_conv_copy(buf, action->conf, size, 701 rte_flow_desc_action, action->type); 702 break; 703 } 704 return off; 705 } 706 707 /** 708 * Copy a list of pattern items. 709 * 710 * @param[out] dst 711 * Destination buffer. Can be NULL if @p size is zero. 712 * @param size 713 * Size of @p dst in bytes. 714 * @param[in] src 715 * Source pattern items. 716 * @param num 717 * Maximum number of pattern items to process from @p src or 0 to process 718 * the entire list. In both cases, processing stops after 719 * RTE_FLOW_ITEM_TYPE_END is encountered. 720 * @param[out] error 721 * Perform verbose error reporting if not NULL. 722 * 723 * @return 724 * A positive value representing the number of bytes needed to store 725 * pattern items regardless of @p size on success (@p buf contents are 726 * truncated to @p size if not large enough), a negative errno value 727 * otherwise and rte_errno is set. 728 */ 729 static int 730 rte_flow_conv_pattern(struct rte_flow_item *dst, 731 const size_t size, 732 const struct rte_flow_item *src, 733 unsigned int num, 734 struct rte_flow_error *error) 735 { 736 uintptr_t data = (uintptr_t)dst; 737 size_t off; 738 size_t ret; 739 unsigned int i; 740 741 for (i = 0, off = 0; !num || i != num; ++i, ++src, ++dst) { 742 /** 743 * allow PMD private flow item 744 */ 745 if (((int)src->type >= 0) && 746 ((size_t)src->type >= RTE_DIM(rte_flow_desc_item) || 747 !rte_flow_desc_item[src->type].name)) 748 return rte_flow_error_set 749 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, src, 750 "cannot convert unknown item type"); 751 if (size >= off + sizeof(*dst)) 752 *dst = (struct rte_flow_item){ 753 .type = src->type, 754 }; 755 off += sizeof(*dst); 756 if (!src->type) 757 num = i + 1; 758 } 759 num = i; 760 src -= num; 761 dst -= num; 762 do { 763 if (src->spec) { 764 off = RTE_ALIGN_CEIL(off, sizeof(double)); 765 ret = rte_flow_conv_item_spec 766 ((void *)(data + off), 767 size > off ? size - off : 0, src, 768 RTE_FLOW_CONV_ITEM_SPEC); 769 if (size && size >= off + ret) 770 dst->spec = (void *)(data + off); 771 off += ret; 772 773 } 774 if (src->last) { 775 off = RTE_ALIGN_CEIL(off, sizeof(double)); 776 ret = rte_flow_conv_item_spec 777 ((void *)(data + off), 778 size > off ? size - off : 0, src, 779 RTE_FLOW_CONV_ITEM_LAST); 780 if (size && size >= off + ret) 781 dst->last = (void *)(data + off); 782 off += ret; 783 } 784 if (src->mask) { 785 off = RTE_ALIGN_CEIL(off, sizeof(double)); 786 ret = rte_flow_conv_item_spec 787 ((void *)(data + off), 788 size > off ? size - off : 0, src, 789 RTE_FLOW_CONV_ITEM_MASK); 790 if (size && size >= off + ret) 791 dst->mask = (void *)(data + off); 792 off += ret; 793 } 794 ++src; 795 ++dst; 796 } while (--num); 797 return off; 798 } 799 800 /** 801 * Copy a list of actions. 802 * 803 * @param[out] dst 804 * Destination buffer. Can be NULL if @p size is zero. 805 * @param size 806 * Size of @p dst in bytes. 807 * @param[in] src 808 * Source actions. 809 * @param num 810 * Maximum number of actions to process from @p src or 0 to process the 811 * entire list. In both cases, processing stops after 812 * RTE_FLOW_ACTION_TYPE_END is encountered. 813 * @param[out] error 814 * Perform verbose error reporting if not NULL. 815 * 816 * @return 817 * A positive value representing the number of bytes needed to store 818 * actions regardless of @p size on success (@p buf contents are truncated 819 * to @p size if not large enough), a negative errno value otherwise and 820 * rte_errno is set. 821 */ 822 static int 823 rte_flow_conv_actions(struct rte_flow_action *dst, 824 const size_t size, 825 const struct rte_flow_action *src, 826 unsigned int num, 827 struct rte_flow_error *error) 828 { 829 uintptr_t data = (uintptr_t)dst; 830 size_t off; 831 size_t ret; 832 unsigned int i; 833 834 for (i = 0, off = 0; !num || i != num; ++i, ++src, ++dst) { 835 /** 836 * allow PMD private flow action 837 */ 838 if (((int)src->type >= 0) && 839 ((size_t)src->type >= RTE_DIM(rte_flow_desc_action) || 840 !rte_flow_desc_action[src->type].name)) 841 return rte_flow_error_set 842 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION, 843 src, "cannot convert unknown action type"); 844 if (size >= off + sizeof(*dst)) 845 *dst = (struct rte_flow_action){ 846 .type = src->type, 847 }; 848 off += sizeof(*dst); 849 if (!src->type) 850 num = i + 1; 851 } 852 num = i; 853 src -= num; 854 dst -= num; 855 do { 856 if (src->conf) { 857 off = RTE_ALIGN_CEIL(off, sizeof(double)); 858 ret = rte_flow_conv_action_conf 859 ((void *)(data + off), 860 size > off ? size - off : 0, src); 861 if (size && size >= off + ret) 862 dst->conf = (void *)(data + off); 863 off += ret; 864 } 865 ++src; 866 ++dst; 867 } while (--num); 868 return off; 869 } 870 871 /** 872 * Copy flow rule components. 873 * 874 * This comprises the flow rule descriptor itself, attributes, pattern and 875 * actions list. NULL components in @p src are skipped. 876 * 877 * @param[out] dst 878 * Destination buffer. Can be NULL if @p size is zero. 879 * @param size 880 * Size of @p dst in bytes. 881 * @param[in] src 882 * Source flow rule descriptor. 883 * @param[out] error 884 * Perform verbose error reporting if not NULL. 885 * 886 * @return 887 * A positive value representing the number of bytes needed to store all 888 * components including the descriptor regardless of @p size on success 889 * (@p buf contents are truncated to @p size if not large enough), a 890 * negative errno value otherwise and rte_errno is set. 891 */ 892 static int 893 rte_flow_conv_rule(struct rte_flow_conv_rule *dst, 894 const size_t size, 895 const struct rte_flow_conv_rule *src, 896 struct rte_flow_error *error) 897 { 898 size_t off; 899 int ret; 900 901 rte_memcpy(dst, 902 (&(struct rte_flow_conv_rule){ 903 .attr = NULL, 904 .pattern = NULL, 905 .actions = NULL, 906 }), 907 size > sizeof(*dst) ? sizeof(*dst) : size); 908 off = sizeof(*dst); 909 if (src->attr_ro) { 910 off = RTE_ALIGN_CEIL(off, sizeof(double)); 911 if (size && size >= off + sizeof(*dst->attr)) 912 dst->attr = rte_memcpy 913 ((void *)((uintptr_t)dst + off), 914 src->attr_ro, sizeof(*dst->attr)); 915 off += sizeof(*dst->attr); 916 } 917 if (src->pattern_ro) { 918 off = RTE_ALIGN_CEIL(off, sizeof(double)); 919 ret = rte_flow_conv_pattern((void *)((uintptr_t)dst + off), 920 size > off ? size - off : 0, 921 src->pattern_ro, 0, error); 922 if (ret < 0) 923 return ret; 924 if (size && size >= off + (size_t)ret) 925 dst->pattern = (void *)((uintptr_t)dst + off); 926 off += ret; 927 } 928 if (src->actions_ro) { 929 off = RTE_ALIGN_CEIL(off, sizeof(double)); 930 ret = rte_flow_conv_actions((void *)((uintptr_t)dst + off), 931 size > off ? size - off : 0, 932 src->actions_ro, 0, error); 933 if (ret < 0) 934 return ret; 935 if (size >= off + (size_t)ret) 936 dst->actions = (void *)((uintptr_t)dst + off); 937 off += ret; 938 } 939 return off; 940 } 941 942 /** 943 * Retrieve the name of a pattern item/action type. 944 * 945 * @param is_action 946 * Nonzero when @p src represents an action type instead of a pattern item 947 * type. 948 * @param is_ptr 949 * Nonzero to write string address instead of contents into @p dst. 950 * @param[out] dst 951 * Destination buffer. Can be NULL if @p size is zero. 952 * @param size 953 * Size of @p dst in bytes. 954 * @param[in] src 955 * Depending on @p is_action, source pattern item or action type cast as a 956 * pointer. 957 * @param[out] error 958 * Perform verbose error reporting if not NULL. 959 * 960 * @return 961 * A positive value representing the number of bytes needed to store the 962 * name or its address regardless of @p size on success (@p buf contents 963 * are truncated to @p size if not large enough), a negative errno value 964 * otherwise and rte_errno is set. 965 */ 966 static int 967 rte_flow_conv_name(int is_action, 968 int is_ptr, 969 char *dst, 970 const size_t size, 971 const void *src, 972 struct rte_flow_error *error) 973 { 974 struct desc_info { 975 const struct rte_flow_desc_data *data; 976 size_t num; 977 }; 978 static const struct desc_info info_rep[2] = { 979 { rte_flow_desc_item, RTE_DIM(rte_flow_desc_item), }, 980 { rte_flow_desc_action, RTE_DIM(rte_flow_desc_action), }, 981 }; 982 const struct desc_info *const info = &info_rep[!!is_action]; 983 unsigned int type = (uintptr_t)src; 984 985 if (type >= info->num) 986 return rte_flow_error_set 987 (error, EINVAL, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, 988 "unknown object type to retrieve the name of"); 989 if (!is_ptr) 990 return strlcpy(dst, info->data[type].name, size); 991 if (size >= sizeof(const char **)) 992 *((const char **)dst) = info->data[type].name; 993 return sizeof(const char **); 994 } 995 996 /** Helper function to convert flow API objects. */ 997 int 998 rte_flow_conv(enum rte_flow_conv_op op, 999 void *dst, 1000 size_t size, 1001 const void *src, 1002 struct rte_flow_error *error) 1003 { 1004 switch (op) { 1005 const struct rte_flow_attr *attr; 1006 1007 case RTE_FLOW_CONV_OP_NONE: 1008 return 0; 1009 case RTE_FLOW_CONV_OP_ATTR: 1010 attr = src; 1011 if (size > sizeof(*attr)) 1012 size = sizeof(*attr); 1013 rte_memcpy(dst, attr, size); 1014 return sizeof(*attr); 1015 case RTE_FLOW_CONV_OP_ITEM: 1016 return rte_flow_conv_pattern(dst, size, src, 1, error); 1017 case RTE_FLOW_CONV_OP_ACTION: 1018 return rte_flow_conv_actions(dst, size, src, 1, error); 1019 case RTE_FLOW_CONV_OP_PATTERN: 1020 return rte_flow_conv_pattern(dst, size, src, 0, error); 1021 case RTE_FLOW_CONV_OP_ACTIONS: 1022 return rte_flow_conv_actions(dst, size, src, 0, error); 1023 case RTE_FLOW_CONV_OP_RULE: 1024 return rte_flow_conv_rule(dst, size, src, error); 1025 case RTE_FLOW_CONV_OP_ITEM_NAME: 1026 return rte_flow_conv_name(0, 0, dst, size, src, error); 1027 case RTE_FLOW_CONV_OP_ACTION_NAME: 1028 return rte_flow_conv_name(1, 0, dst, size, src, error); 1029 case RTE_FLOW_CONV_OP_ITEM_NAME_PTR: 1030 return rte_flow_conv_name(0, 1, dst, size, src, error); 1031 case RTE_FLOW_CONV_OP_ACTION_NAME_PTR: 1032 return rte_flow_conv_name(1, 1, dst, size, src, error); 1033 } 1034 return rte_flow_error_set 1035 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, 1036 "unknown object conversion operation"); 1037 } 1038 1039 /** Store a full rte_flow description. */ 1040 size_t 1041 rte_flow_copy(struct rte_flow_desc *desc, size_t len, 1042 const struct rte_flow_attr *attr, 1043 const struct rte_flow_item *items, 1044 const struct rte_flow_action *actions) 1045 { 1046 /* 1047 * Overlap struct rte_flow_conv with struct rte_flow_desc in order 1048 * to convert the former to the latter without wasting space. 1049 */ 1050 struct rte_flow_conv_rule *dst = 1051 len ? 1052 (void *)((uintptr_t)desc + 1053 (offsetof(struct rte_flow_desc, actions) - 1054 offsetof(struct rte_flow_conv_rule, actions))) : 1055 NULL; 1056 size_t dst_size = 1057 len > sizeof(*desc) - sizeof(*dst) ? 1058 len - (sizeof(*desc) - sizeof(*dst)) : 1059 0; 1060 struct rte_flow_conv_rule src = { 1061 .attr_ro = NULL, 1062 .pattern_ro = items, 1063 .actions_ro = actions, 1064 }; 1065 int ret; 1066 1067 RTE_BUILD_BUG_ON(sizeof(struct rte_flow_desc) < 1068 sizeof(struct rte_flow_conv_rule)); 1069 if (dst_size && 1070 (&dst->pattern != &desc->items || 1071 &dst->actions != &desc->actions || 1072 (uintptr_t)(dst + 1) != (uintptr_t)(desc + 1))) { 1073 rte_errno = EINVAL; 1074 return 0; 1075 } 1076 ret = rte_flow_conv(RTE_FLOW_CONV_OP_RULE, dst, dst_size, &src, NULL); 1077 if (ret < 0) 1078 return 0; 1079 ret += sizeof(*desc) - sizeof(*dst); 1080 rte_memcpy(desc, 1081 (&(struct rte_flow_desc){ 1082 .size = ret, 1083 .attr = *attr, 1084 .items = dst_size ? dst->pattern : NULL, 1085 .actions = dst_size ? dst->actions : NULL, 1086 }), 1087 len > sizeof(*desc) ? sizeof(*desc) : len); 1088 return ret; 1089 } 1090 1091 int 1092 rte_flow_dev_dump(uint16_t port_id, struct rte_flow *flow, 1093 FILE *file, struct rte_flow_error *error) 1094 { 1095 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1096 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1097 int ret; 1098 1099 if (unlikely(!ops)) 1100 return -rte_errno; 1101 if (likely(!!ops->dev_dump)) { 1102 fts_enter(dev); 1103 ret = ops->dev_dump(dev, flow, file, error); 1104 fts_exit(dev); 1105 return flow_err(port_id, ret, error); 1106 } 1107 return rte_flow_error_set(error, ENOSYS, 1108 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1109 NULL, rte_strerror(ENOSYS)); 1110 } 1111 1112 int 1113 rte_flow_get_aged_flows(uint16_t port_id, void **contexts, 1114 uint32_t nb_contexts, struct rte_flow_error *error) 1115 { 1116 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1117 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1118 int ret; 1119 1120 if (unlikely(!ops)) 1121 return -rte_errno; 1122 if (likely(!!ops->get_aged_flows)) { 1123 fts_enter(dev); 1124 ret = ops->get_aged_flows(dev, contexts, nb_contexts, error); 1125 fts_exit(dev); 1126 return flow_err(port_id, ret, error); 1127 } 1128 return rte_flow_error_set(error, ENOTSUP, 1129 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1130 NULL, rte_strerror(ENOTSUP)); 1131 } 1132 1133 struct rte_flow_action_handle * 1134 rte_flow_action_handle_create(uint16_t port_id, 1135 const struct rte_flow_indir_action_conf *conf, 1136 const struct rte_flow_action *action, 1137 struct rte_flow_error *error) 1138 { 1139 struct rte_flow_action_handle *handle; 1140 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1141 1142 if (unlikely(!ops)) 1143 return NULL; 1144 if (unlikely(!ops->action_handle_create)) { 1145 rte_flow_error_set(error, ENOSYS, 1146 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, 1147 rte_strerror(ENOSYS)); 1148 return NULL; 1149 } 1150 handle = ops->action_handle_create(&rte_eth_devices[port_id], 1151 conf, action, error); 1152 if (handle == NULL) 1153 flow_err(port_id, -rte_errno, error); 1154 return handle; 1155 } 1156 1157 int 1158 rte_flow_action_handle_destroy(uint16_t port_id, 1159 struct rte_flow_action_handle *handle, 1160 struct rte_flow_error *error) 1161 { 1162 int ret; 1163 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1164 1165 if (unlikely(!ops)) 1166 return -rte_errno; 1167 if (unlikely(!ops->action_handle_destroy)) 1168 return rte_flow_error_set(error, ENOSYS, 1169 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1170 NULL, rte_strerror(ENOSYS)); 1171 ret = ops->action_handle_destroy(&rte_eth_devices[port_id], 1172 handle, error); 1173 return flow_err(port_id, ret, error); 1174 } 1175 1176 int 1177 rte_flow_action_handle_update(uint16_t port_id, 1178 struct rte_flow_action_handle *handle, 1179 const void *update, 1180 struct rte_flow_error *error) 1181 { 1182 int ret; 1183 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1184 1185 if (unlikely(!ops)) 1186 return -rte_errno; 1187 if (unlikely(!ops->action_handle_update)) 1188 return rte_flow_error_set(error, ENOSYS, 1189 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1190 NULL, rte_strerror(ENOSYS)); 1191 ret = ops->action_handle_update(&rte_eth_devices[port_id], handle, 1192 update, error); 1193 return flow_err(port_id, ret, error); 1194 } 1195 1196 int 1197 rte_flow_action_handle_query(uint16_t port_id, 1198 const struct rte_flow_action_handle *handle, 1199 void *data, 1200 struct rte_flow_error *error) 1201 { 1202 int ret; 1203 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1204 1205 if (unlikely(!ops)) 1206 return -rte_errno; 1207 if (unlikely(!ops->action_handle_query)) 1208 return rte_flow_error_set(error, ENOSYS, 1209 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1210 NULL, rte_strerror(ENOSYS)); 1211 ret = ops->action_handle_query(&rte_eth_devices[port_id], handle, 1212 data, error); 1213 return flow_err(port_id, ret, error); 1214 } 1215 1216 int 1217 rte_flow_tunnel_decap_set(uint16_t port_id, 1218 struct rte_flow_tunnel *tunnel, 1219 struct rte_flow_action **actions, 1220 uint32_t *num_of_actions, 1221 struct rte_flow_error *error) 1222 { 1223 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1224 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1225 1226 if (unlikely(!ops)) 1227 return -rte_errno; 1228 if (likely(!!ops->tunnel_decap_set)) { 1229 return flow_err(port_id, 1230 ops->tunnel_decap_set(dev, tunnel, actions, 1231 num_of_actions, error), 1232 error); 1233 } 1234 return rte_flow_error_set(error, ENOTSUP, 1235 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1236 NULL, rte_strerror(ENOTSUP)); 1237 } 1238 1239 int 1240 rte_flow_tunnel_match(uint16_t port_id, 1241 struct rte_flow_tunnel *tunnel, 1242 struct rte_flow_item **items, 1243 uint32_t *num_of_items, 1244 struct rte_flow_error *error) 1245 { 1246 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1247 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1248 1249 if (unlikely(!ops)) 1250 return -rte_errno; 1251 if (likely(!!ops->tunnel_match)) { 1252 return flow_err(port_id, 1253 ops->tunnel_match(dev, tunnel, items, 1254 num_of_items, error), 1255 error); 1256 } 1257 return rte_flow_error_set(error, ENOTSUP, 1258 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1259 NULL, rte_strerror(ENOTSUP)); 1260 } 1261 1262 int 1263 rte_flow_get_restore_info(uint16_t port_id, 1264 struct rte_mbuf *m, 1265 struct rte_flow_restore_info *restore_info, 1266 struct rte_flow_error *error) 1267 { 1268 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1269 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1270 1271 if (unlikely(!ops)) 1272 return -rte_errno; 1273 if (likely(!!ops->get_restore_info)) { 1274 return flow_err(port_id, 1275 ops->get_restore_info(dev, m, restore_info, 1276 error), 1277 error); 1278 } 1279 return rte_flow_error_set(error, ENOTSUP, 1280 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1281 NULL, rte_strerror(ENOTSUP)); 1282 } 1283 1284 int 1285 rte_flow_tunnel_action_decap_release(uint16_t port_id, 1286 struct rte_flow_action *actions, 1287 uint32_t num_of_actions, 1288 struct rte_flow_error *error) 1289 { 1290 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1291 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1292 1293 if (unlikely(!ops)) 1294 return -rte_errno; 1295 if (likely(!!ops->tunnel_action_decap_release)) { 1296 return flow_err(port_id, 1297 ops->tunnel_action_decap_release(dev, actions, 1298 num_of_actions, 1299 error), 1300 error); 1301 } 1302 return rte_flow_error_set(error, ENOTSUP, 1303 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1304 NULL, rte_strerror(ENOTSUP)); 1305 } 1306 1307 int 1308 rte_flow_tunnel_item_release(uint16_t port_id, 1309 struct rte_flow_item *items, 1310 uint32_t num_of_items, 1311 struct rte_flow_error *error) 1312 { 1313 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1314 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1315 1316 if (unlikely(!ops)) 1317 return -rte_errno; 1318 if (likely(!!ops->tunnel_item_release)) { 1319 return flow_err(port_id, 1320 ops->tunnel_item_release(dev, items, 1321 num_of_items, error), 1322 error); 1323 } 1324 return rte_flow_error_set(error, ENOTSUP, 1325 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1326 NULL, rte_strerror(ENOTSUP)); 1327 } 1328 1329 int 1330 rte_flow_pick_transfer_proxy(uint16_t port_id, uint16_t *proxy_port_id, 1331 struct rte_flow_error *error) 1332 { 1333 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1334 struct rte_eth_dev *dev; 1335 1336 if (unlikely(ops == NULL)) 1337 return -rte_errno; 1338 1339 if (ops->pick_transfer_proxy == NULL) { 1340 *proxy_port_id = port_id; 1341 return 0; 1342 } 1343 1344 dev = &rte_eth_devices[port_id]; 1345 1346 return flow_err(port_id, 1347 ops->pick_transfer_proxy(dev, proxy_port_id, error), 1348 error); 1349 } 1350 1351 struct rte_flow_item_flex_handle * 1352 rte_flow_flex_item_create(uint16_t port_id, 1353 const struct rte_flow_item_flex_conf *conf, 1354 struct rte_flow_error *error) 1355 { 1356 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1357 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1358 struct rte_flow_item_flex_handle *handle; 1359 1360 if (unlikely(!ops)) 1361 return NULL; 1362 if (unlikely(!ops->flex_item_create)) { 1363 rte_flow_error_set(error, ENOTSUP, 1364 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1365 NULL, rte_strerror(ENOTSUP)); 1366 return NULL; 1367 } 1368 handle = ops->flex_item_create(dev, conf, error); 1369 if (handle == NULL) 1370 flow_err(port_id, -rte_errno, error); 1371 return handle; 1372 } 1373 1374 int 1375 rte_flow_flex_item_release(uint16_t port_id, 1376 const struct rte_flow_item_flex_handle *handle, 1377 struct rte_flow_error *error) 1378 { 1379 int ret; 1380 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1381 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1382 1383 if (unlikely(!ops || !ops->flex_item_release)) 1384 return rte_flow_error_set(error, ENOTSUP, 1385 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1386 NULL, rte_strerror(ENOTSUP)); 1387 ret = ops->flex_item_release(dev, handle, error); 1388 return flow_err(port_id, ret, error); 1389 } 1390