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 bool rte_type = type >= 0; 58 59 size_t sz = rte_type ? desc[type].size : sizeof(void *); 60 if (buf == NULL || data == NULL) 61 return 0; 62 rte_memcpy(buf, data, (size > sz ? sz : size)); 63 if (rte_type && desc[type].desc_fn) 64 sz += desc[type].desc_fn(size > 0 ? buf : NULL, data); 65 return sz; 66 } 67 68 static size_t 69 rte_flow_item_flex_conv(void *buf, const void *data) 70 { 71 struct rte_flow_item_flex *dst = buf; 72 const struct rte_flow_item_flex *src = data; 73 if (buf) { 74 dst->pattern = rte_memcpy 75 ((void *)((uintptr_t)(dst + 1)), src->pattern, 76 src->length); 77 } 78 return src->length; 79 } 80 81 /** Generate flow_item[] entry. */ 82 #define MK_FLOW_ITEM(t, s) \ 83 [RTE_FLOW_ITEM_TYPE_ ## t] = { \ 84 .name = # t, \ 85 .size = s, \ 86 .desc_fn = NULL,\ 87 } 88 89 #define MK_FLOW_ITEM_FN(t, s, fn) \ 90 [RTE_FLOW_ITEM_TYPE_ ## t] = {\ 91 .name = # t, \ 92 .size = s, \ 93 .desc_fn = fn, \ 94 } 95 96 /** Information about known flow pattern items. */ 97 static const struct rte_flow_desc_data rte_flow_desc_item[] = { 98 MK_FLOW_ITEM(END, 0), 99 MK_FLOW_ITEM(VOID, 0), 100 MK_FLOW_ITEM(INVERT, 0), 101 MK_FLOW_ITEM(ANY, sizeof(struct rte_flow_item_any)), 102 MK_FLOW_ITEM(PF, 0), 103 MK_FLOW_ITEM(VF, sizeof(struct rte_flow_item_vf)), 104 MK_FLOW_ITEM(PHY_PORT, sizeof(struct rte_flow_item_phy_port)), 105 MK_FLOW_ITEM(PORT_ID, sizeof(struct rte_flow_item_port_id)), 106 MK_FLOW_ITEM(RAW, sizeof(struct rte_flow_item_raw)), 107 MK_FLOW_ITEM(ETH, sizeof(struct rte_flow_item_eth)), 108 MK_FLOW_ITEM(VLAN, sizeof(struct rte_flow_item_vlan)), 109 MK_FLOW_ITEM(IPV4, sizeof(struct rte_flow_item_ipv4)), 110 MK_FLOW_ITEM(IPV6, sizeof(struct rte_flow_item_ipv6)), 111 MK_FLOW_ITEM(ICMP, sizeof(struct rte_flow_item_icmp)), 112 MK_FLOW_ITEM(UDP, sizeof(struct rte_flow_item_udp)), 113 MK_FLOW_ITEM(TCP, sizeof(struct rte_flow_item_tcp)), 114 MK_FLOW_ITEM(SCTP, sizeof(struct rte_flow_item_sctp)), 115 MK_FLOW_ITEM(VXLAN, sizeof(struct rte_flow_item_vxlan)), 116 MK_FLOW_ITEM(E_TAG, sizeof(struct rte_flow_item_e_tag)), 117 MK_FLOW_ITEM(NVGRE, sizeof(struct rte_flow_item_nvgre)), 118 MK_FLOW_ITEM(MPLS, sizeof(struct rte_flow_item_mpls)), 119 MK_FLOW_ITEM(GRE, sizeof(struct rte_flow_item_gre)), 120 MK_FLOW_ITEM(FUZZY, sizeof(struct rte_flow_item_fuzzy)), 121 MK_FLOW_ITEM(GTP, sizeof(struct rte_flow_item_gtp)), 122 MK_FLOW_ITEM(GTPC, sizeof(struct rte_flow_item_gtp)), 123 MK_FLOW_ITEM(GTPU, sizeof(struct rte_flow_item_gtp)), 124 MK_FLOW_ITEM(ESP, sizeof(struct rte_flow_item_esp)), 125 MK_FLOW_ITEM(GENEVE, sizeof(struct rte_flow_item_geneve)), 126 MK_FLOW_ITEM(VXLAN_GPE, sizeof(struct rte_flow_item_vxlan_gpe)), 127 MK_FLOW_ITEM(ARP_ETH_IPV4, sizeof(struct rte_flow_item_arp_eth_ipv4)), 128 MK_FLOW_ITEM(IPV6_EXT, sizeof(struct rte_flow_item_ipv6_ext)), 129 MK_FLOW_ITEM(IPV6_FRAG_EXT, sizeof(struct rte_flow_item_ipv6_frag_ext)), 130 MK_FLOW_ITEM(ICMP6, sizeof(struct rte_flow_item_icmp6)), 131 MK_FLOW_ITEM(ICMP6_ND_NS, sizeof(struct rte_flow_item_icmp6_nd_ns)), 132 MK_FLOW_ITEM(ICMP6_ND_NA, sizeof(struct rte_flow_item_icmp6_nd_na)), 133 MK_FLOW_ITEM(ICMP6_ND_OPT, sizeof(struct rte_flow_item_icmp6_nd_opt)), 134 MK_FLOW_ITEM(ICMP6_ND_OPT_SLA_ETH, 135 sizeof(struct rte_flow_item_icmp6_nd_opt_sla_eth)), 136 MK_FLOW_ITEM(ICMP6_ND_OPT_TLA_ETH, 137 sizeof(struct rte_flow_item_icmp6_nd_opt_tla_eth)), 138 MK_FLOW_ITEM(MARK, sizeof(struct rte_flow_item_mark)), 139 MK_FLOW_ITEM(META, sizeof(struct rte_flow_item_meta)), 140 MK_FLOW_ITEM(TAG, sizeof(struct rte_flow_item_tag)), 141 MK_FLOW_ITEM(GRE_KEY, sizeof(rte_be32_t)), 142 MK_FLOW_ITEM(GTP_PSC, sizeof(struct rte_flow_item_gtp_psc)), 143 MK_FLOW_ITEM(PPPOES, sizeof(struct rte_flow_item_pppoe)), 144 MK_FLOW_ITEM(PPPOED, sizeof(struct rte_flow_item_pppoe)), 145 MK_FLOW_ITEM(PPPOE_PROTO_ID, 146 sizeof(struct rte_flow_item_pppoe_proto_id)), 147 MK_FLOW_ITEM(NSH, sizeof(struct rte_flow_item_nsh)), 148 MK_FLOW_ITEM(IGMP, sizeof(struct rte_flow_item_igmp)), 149 MK_FLOW_ITEM(AH, sizeof(struct rte_flow_item_ah)), 150 MK_FLOW_ITEM(HIGIG2, sizeof(struct rte_flow_item_higig2_hdr)), 151 MK_FLOW_ITEM(L2TPV3OIP, sizeof(struct rte_flow_item_l2tpv3oip)), 152 MK_FLOW_ITEM(PFCP, sizeof(struct rte_flow_item_pfcp)), 153 MK_FLOW_ITEM(ECPRI, sizeof(struct rte_flow_item_ecpri)), 154 MK_FLOW_ITEM(GENEVE_OPT, sizeof(struct rte_flow_item_geneve_opt)), 155 MK_FLOW_ITEM(INTEGRITY, sizeof(struct rte_flow_item_integrity)), 156 MK_FLOW_ITEM(CONNTRACK, sizeof(uint32_t)), 157 MK_FLOW_ITEM(PORT_REPRESENTOR, sizeof(struct rte_flow_item_ethdev)), 158 MK_FLOW_ITEM(REPRESENTED_PORT, sizeof(struct rte_flow_item_ethdev)), 159 MK_FLOW_ITEM_FN(FLEX, sizeof(struct rte_flow_item_flex), 160 rte_flow_item_flex_conv), 161 MK_FLOW_ITEM(L2TPV2, sizeof(struct rte_flow_item_l2tpv2)), 162 MK_FLOW_ITEM(PPP, sizeof(struct rte_flow_item_ppp)), 163 }; 164 165 /** Generate flow_action[] entry. */ 166 #define MK_FLOW_ACTION(t, s) \ 167 [RTE_FLOW_ACTION_TYPE_ ## t] = { \ 168 .name = # t, \ 169 .size = s, \ 170 .desc_fn = NULL,\ 171 } 172 173 #define MK_FLOW_ACTION_FN(t, fn) \ 174 [RTE_FLOW_ACTION_TYPE_ ## t] = { \ 175 .name = # t, \ 176 .size = 0, \ 177 .desc_fn = fn,\ 178 } 179 180 181 /** Information about known flow actions. */ 182 static const struct rte_flow_desc_data rte_flow_desc_action[] = { 183 MK_FLOW_ACTION(END, 0), 184 MK_FLOW_ACTION(VOID, 0), 185 MK_FLOW_ACTION(PASSTHRU, 0), 186 MK_FLOW_ACTION(JUMP, sizeof(struct rte_flow_action_jump)), 187 MK_FLOW_ACTION(MARK, sizeof(struct rte_flow_action_mark)), 188 MK_FLOW_ACTION(FLAG, 0), 189 MK_FLOW_ACTION(QUEUE, sizeof(struct rte_flow_action_queue)), 190 MK_FLOW_ACTION(DROP, 0), 191 MK_FLOW_ACTION(COUNT, sizeof(struct rte_flow_action_count)), 192 MK_FLOW_ACTION(RSS, sizeof(struct rte_flow_action_rss)), 193 MK_FLOW_ACTION(PF, 0), 194 MK_FLOW_ACTION(VF, sizeof(struct rte_flow_action_vf)), 195 MK_FLOW_ACTION(PHY_PORT, sizeof(struct rte_flow_action_phy_port)), 196 MK_FLOW_ACTION(PORT_ID, sizeof(struct rte_flow_action_port_id)), 197 MK_FLOW_ACTION(METER, sizeof(struct rte_flow_action_meter)), 198 MK_FLOW_ACTION(SECURITY, sizeof(struct rte_flow_action_security)), 199 MK_FLOW_ACTION(OF_SET_MPLS_TTL, 200 sizeof(struct rte_flow_action_of_set_mpls_ttl)), 201 MK_FLOW_ACTION(OF_DEC_MPLS_TTL, 0), 202 MK_FLOW_ACTION(OF_SET_NW_TTL, 203 sizeof(struct rte_flow_action_of_set_nw_ttl)), 204 MK_FLOW_ACTION(OF_DEC_NW_TTL, 0), 205 MK_FLOW_ACTION(OF_COPY_TTL_OUT, 0), 206 MK_FLOW_ACTION(OF_COPY_TTL_IN, 0), 207 MK_FLOW_ACTION(OF_POP_VLAN, 0), 208 MK_FLOW_ACTION(OF_PUSH_VLAN, 209 sizeof(struct rte_flow_action_of_push_vlan)), 210 MK_FLOW_ACTION(OF_SET_VLAN_VID, 211 sizeof(struct rte_flow_action_of_set_vlan_vid)), 212 MK_FLOW_ACTION(OF_SET_VLAN_PCP, 213 sizeof(struct rte_flow_action_of_set_vlan_pcp)), 214 MK_FLOW_ACTION(OF_POP_MPLS, 215 sizeof(struct rte_flow_action_of_pop_mpls)), 216 MK_FLOW_ACTION(OF_PUSH_MPLS, 217 sizeof(struct rte_flow_action_of_push_mpls)), 218 MK_FLOW_ACTION(VXLAN_ENCAP, sizeof(struct rte_flow_action_vxlan_encap)), 219 MK_FLOW_ACTION(VXLAN_DECAP, 0), 220 MK_FLOW_ACTION(NVGRE_ENCAP, sizeof(struct rte_flow_action_vxlan_encap)), 221 MK_FLOW_ACTION(NVGRE_DECAP, 0), 222 MK_FLOW_ACTION(RAW_ENCAP, sizeof(struct rte_flow_action_raw_encap)), 223 MK_FLOW_ACTION(RAW_DECAP, sizeof(struct rte_flow_action_raw_decap)), 224 MK_FLOW_ACTION(SET_IPV4_SRC, 225 sizeof(struct rte_flow_action_set_ipv4)), 226 MK_FLOW_ACTION(SET_IPV4_DST, 227 sizeof(struct rte_flow_action_set_ipv4)), 228 MK_FLOW_ACTION(SET_IPV6_SRC, 229 sizeof(struct rte_flow_action_set_ipv6)), 230 MK_FLOW_ACTION(SET_IPV6_DST, 231 sizeof(struct rte_flow_action_set_ipv6)), 232 MK_FLOW_ACTION(SET_TP_SRC, 233 sizeof(struct rte_flow_action_set_tp)), 234 MK_FLOW_ACTION(SET_TP_DST, 235 sizeof(struct rte_flow_action_set_tp)), 236 MK_FLOW_ACTION(MAC_SWAP, 0), 237 MK_FLOW_ACTION(DEC_TTL, 0), 238 MK_FLOW_ACTION(SET_TTL, sizeof(struct rte_flow_action_set_ttl)), 239 MK_FLOW_ACTION(SET_MAC_SRC, sizeof(struct rte_flow_action_set_mac)), 240 MK_FLOW_ACTION(SET_MAC_DST, sizeof(struct rte_flow_action_set_mac)), 241 MK_FLOW_ACTION(INC_TCP_SEQ, sizeof(rte_be32_t)), 242 MK_FLOW_ACTION(DEC_TCP_SEQ, sizeof(rte_be32_t)), 243 MK_FLOW_ACTION(INC_TCP_ACK, sizeof(rte_be32_t)), 244 MK_FLOW_ACTION(DEC_TCP_ACK, sizeof(rte_be32_t)), 245 MK_FLOW_ACTION(SET_TAG, sizeof(struct rte_flow_action_set_tag)), 246 MK_FLOW_ACTION(SET_META, sizeof(struct rte_flow_action_set_meta)), 247 MK_FLOW_ACTION(SET_IPV4_DSCP, sizeof(struct rte_flow_action_set_dscp)), 248 MK_FLOW_ACTION(SET_IPV6_DSCP, sizeof(struct rte_flow_action_set_dscp)), 249 MK_FLOW_ACTION(AGE, sizeof(struct rte_flow_action_age)), 250 MK_FLOW_ACTION(SAMPLE, sizeof(struct rte_flow_action_sample)), 251 MK_FLOW_ACTION(MODIFY_FIELD, 252 sizeof(struct rte_flow_action_modify_field)), 253 /** 254 * Indirect action represented as handle of type 255 * (struct rte_flow_action_handle *) stored in conf field (see 256 * struct rte_flow_action); no need for additional structure to * store 257 * indirect action handle. 258 */ 259 MK_FLOW_ACTION(INDIRECT, 0), 260 MK_FLOW_ACTION(CONNTRACK, sizeof(struct rte_flow_action_conntrack)), 261 MK_FLOW_ACTION(PORT_REPRESENTOR, sizeof(struct rte_flow_action_ethdev)), 262 MK_FLOW_ACTION(REPRESENTED_PORT, sizeof(struct rte_flow_action_ethdev)), 263 }; 264 265 int 266 rte_flow_dynf_metadata_register(void) 267 { 268 int offset; 269 int flag; 270 271 static const struct rte_mbuf_dynfield desc_offs = { 272 .name = RTE_MBUF_DYNFIELD_METADATA_NAME, 273 .size = sizeof(uint32_t), 274 .align = __alignof__(uint32_t), 275 }; 276 static const struct rte_mbuf_dynflag desc_flag = { 277 .name = RTE_MBUF_DYNFLAG_METADATA_NAME, 278 }; 279 280 offset = rte_mbuf_dynfield_register(&desc_offs); 281 if (offset < 0) 282 goto error; 283 flag = rte_mbuf_dynflag_register(&desc_flag); 284 if (flag < 0) 285 goto error; 286 rte_flow_dynf_metadata_offs = offset; 287 rte_flow_dynf_metadata_mask = RTE_BIT64(flag); 288 return 0; 289 290 error: 291 rte_flow_dynf_metadata_offs = -1; 292 rte_flow_dynf_metadata_mask = UINT64_C(0); 293 return -rte_errno; 294 } 295 296 static inline void 297 fts_enter(struct rte_eth_dev *dev) 298 { 299 if (!(dev->data->dev_flags & RTE_ETH_DEV_FLOW_OPS_THREAD_SAFE)) 300 pthread_mutex_lock(&dev->data->flow_ops_mutex); 301 } 302 303 static inline void 304 fts_exit(struct rte_eth_dev *dev) 305 { 306 if (!(dev->data->dev_flags & RTE_ETH_DEV_FLOW_OPS_THREAD_SAFE)) 307 pthread_mutex_unlock(&dev->data->flow_ops_mutex); 308 } 309 310 static int 311 flow_err(uint16_t port_id, int ret, struct rte_flow_error *error) 312 { 313 if (ret == 0) 314 return 0; 315 if (rte_eth_dev_is_removed(port_id)) 316 return rte_flow_error_set(error, EIO, 317 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 318 NULL, rte_strerror(EIO)); 319 return ret; 320 } 321 322 /* Get generic flow operations structure from a port. */ 323 const struct rte_flow_ops * 324 rte_flow_ops_get(uint16_t port_id, struct rte_flow_error *error) 325 { 326 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 327 const struct rte_flow_ops *ops; 328 int code; 329 330 if (unlikely(!rte_eth_dev_is_valid_port(port_id))) 331 code = ENODEV; 332 else if (unlikely(dev->dev_ops->flow_ops_get == NULL)) 333 /* flow API not supported with this driver dev_ops */ 334 code = ENOSYS; 335 else 336 code = dev->dev_ops->flow_ops_get(dev, &ops); 337 if (code == 0 && ops == NULL) 338 /* flow API not supported with this device */ 339 code = ENOSYS; 340 341 if (code != 0) { 342 rte_flow_error_set(error, code, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 343 NULL, rte_strerror(code)); 344 return NULL; 345 } 346 return ops; 347 } 348 349 /* Check whether a flow rule can be created on a given port. */ 350 int 351 rte_flow_validate(uint16_t port_id, 352 const struct rte_flow_attr *attr, 353 const struct rte_flow_item pattern[], 354 const struct rte_flow_action actions[], 355 struct rte_flow_error *error) 356 { 357 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 358 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 359 int ret; 360 361 if (unlikely(!ops)) 362 return -rte_errno; 363 if (likely(!!ops->validate)) { 364 fts_enter(dev); 365 ret = ops->validate(dev, attr, pattern, actions, error); 366 fts_exit(dev); 367 return flow_err(port_id, ret, error); 368 } 369 return rte_flow_error_set(error, ENOSYS, 370 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 371 NULL, rte_strerror(ENOSYS)); 372 } 373 374 /* Create a flow rule on a given port. */ 375 struct rte_flow * 376 rte_flow_create(uint16_t port_id, 377 const struct rte_flow_attr *attr, 378 const struct rte_flow_item pattern[], 379 const struct rte_flow_action actions[], 380 struct rte_flow_error *error) 381 { 382 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 383 struct rte_flow *flow; 384 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 385 386 if (unlikely(!ops)) 387 return NULL; 388 if (likely(!!ops->create)) { 389 fts_enter(dev); 390 flow = ops->create(dev, attr, pattern, actions, error); 391 fts_exit(dev); 392 if (flow == NULL) 393 flow_err(port_id, -rte_errno, error); 394 return flow; 395 } 396 rte_flow_error_set(error, ENOSYS, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 397 NULL, rte_strerror(ENOSYS)); 398 return NULL; 399 } 400 401 /* Destroy a flow rule on a given port. */ 402 int 403 rte_flow_destroy(uint16_t port_id, 404 struct rte_flow *flow, 405 struct rte_flow_error *error) 406 { 407 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 408 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 409 int ret; 410 411 if (unlikely(!ops)) 412 return -rte_errno; 413 if (likely(!!ops->destroy)) { 414 fts_enter(dev); 415 ret = ops->destroy(dev, flow, error); 416 fts_exit(dev); 417 return flow_err(port_id, ret, error); 418 } 419 return rte_flow_error_set(error, ENOSYS, 420 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 421 NULL, rte_strerror(ENOSYS)); 422 } 423 424 /* Destroy all flow rules associated with a port. */ 425 int 426 rte_flow_flush(uint16_t port_id, 427 struct rte_flow_error *error) 428 { 429 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 430 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 431 int ret; 432 433 if (unlikely(!ops)) 434 return -rte_errno; 435 if (likely(!!ops->flush)) { 436 fts_enter(dev); 437 ret = ops->flush(dev, error); 438 fts_exit(dev); 439 return flow_err(port_id, ret, error); 440 } 441 return rte_flow_error_set(error, ENOSYS, 442 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 443 NULL, rte_strerror(ENOSYS)); 444 } 445 446 /* Query an existing flow rule. */ 447 int 448 rte_flow_query(uint16_t port_id, 449 struct rte_flow *flow, 450 const struct rte_flow_action *action, 451 void *data, 452 struct rte_flow_error *error) 453 { 454 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 455 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 456 int ret; 457 458 if (!ops) 459 return -rte_errno; 460 if (likely(!!ops->query)) { 461 fts_enter(dev); 462 ret = ops->query(dev, flow, action, data, error); 463 fts_exit(dev); 464 return flow_err(port_id, ret, error); 465 } 466 return rte_flow_error_set(error, ENOSYS, 467 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 468 NULL, rte_strerror(ENOSYS)); 469 } 470 471 /* Restrict ingress traffic to the defined flow rules. */ 472 int 473 rte_flow_isolate(uint16_t port_id, 474 int set, 475 struct rte_flow_error *error) 476 { 477 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 478 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 479 int ret; 480 481 if (!ops) 482 return -rte_errno; 483 if (likely(!!ops->isolate)) { 484 fts_enter(dev); 485 ret = ops->isolate(dev, set, error); 486 fts_exit(dev); 487 return flow_err(port_id, ret, error); 488 } 489 return rte_flow_error_set(error, ENOSYS, 490 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 491 NULL, rte_strerror(ENOSYS)); 492 } 493 494 /* Initialize flow error structure. */ 495 int 496 rte_flow_error_set(struct rte_flow_error *error, 497 int code, 498 enum rte_flow_error_type type, 499 const void *cause, 500 const char *message) 501 { 502 if (error) { 503 *error = (struct rte_flow_error){ 504 .type = type, 505 .cause = cause, 506 .message = message, 507 }; 508 } 509 rte_errno = code; 510 return -code; 511 } 512 513 /** Pattern item specification types. */ 514 enum rte_flow_conv_item_spec_type { 515 RTE_FLOW_CONV_ITEM_SPEC, 516 RTE_FLOW_CONV_ITEM_LAST, 517 RTE_FLOW_CONV_ITEM_MASK, 518 }; 519 520 /** 521 * Copy pattern item specification. 522 * 523 * @param[out] buf 524 * Output buffer. Can be NULL if @p size is zero. 525 * @param size 526 * Size of @p buf in bytes. 527 * @param[in] item 528 * Pattern item to copy specification from. 529 * @param type 530 * Specification selector for either @p spec, @p last or @p mask. 531 * 532 * @return 533 * Number of bytes needed to store pattern item specification regardless 534 * of @p size. @p buf contents are truncated to @p size if not large 535 * enough. 536 */ 537 static size_t 538 rte_flow_conv_item_spec(void *buf, const size_t size, 539 const struct rte_flow_item *item, 540 enum rte_flow_conv_item_spec_type type) 541 { 542 size_t off; 543 const void *data = 544 type == RTE_FLOW_CONV_ITEM_SPEC ? item->spec : 545 type == RTE_FLOW_CONV_ITEM_LAST ? item->last : 546 type == RTE_FLOW_CONV_ITEM_MASK ? item->mask : 547 NULL; 548 549 switch (item->type) { 550 union { 551 const struct rte_flow_item_raw *raw; 552 } spec; 553 union { 554 const struct rte_flow_item_raw *raw; 555 } last; 556 union { 557 const struct rte_flow_item_raw *raw; 558 } mask; 559 union { 560 const struct rte_flow_item_raw *raw; 561 } src; 562 union { 563 struct rte_flow_item_raw *raw; 564 } dst; 565 size_t tmp; 566 567 case RTE_FLOW_ITEM_TYPE_RAW: 568 spec.raw = item->spec; 569 last.raw = item->last ? item->last : item->spec; 570 mask.raw = item->mask ? item->mask : &rte_flow_item_raw_mask; 571 src.raw = data; 572 dst.raw = buf; 573 rte_memcpy(dst.raw, 574 (&(struct rte_flow_item_raw){ 575 .relative = src.raw->relative, 576 .search = src.raw->search, 577 .reserved = src.raw->reserved, 578 .offset = src.raw->offset, 579 .limit = src.raw->limit, 580 .length = src.raw->length, 581 }), 582 size > sizeof(*dst.raw) ? sizeof(*dst.raw) : size); 583 off = sizeof(*dst.raw); 584 if (type == RTE_FLOW_CONV_ITEM_SPEC || 585 (type == RTE_FLOW_CONV_ITEM_MASK && 586 ((spec.raw->length & mask.raw->length) >= 587 (last.raw->length & mask.raw->length)))) 588 tmp = spec.raw->length & mask.raw->length; 589 else 590 tmp = last.raw->length & mask.raw->length; 591 if (tmp) { 592 off = RTE_ALIGN_CEIL(off, sizeof(*dst.raw->pattern)); 593 if (size >= off + tmp) 594 dst.raw->pattern = rte_memcpy 595 ((void *)((uintptr_t)dst.raw + off), 596 src.raw->pattern, tmp); 597 off += tmp; 598 } 599 break; 600 default: 601 off = rte_flow_conv_copy(buf, data, size, 602 rte_flow_desc_item, item->type); 603 break; 604 } 605 return off; 606 } 607 608 /** 609 * Copy action configuration. 610 * 611 * @param[out] buf 612 * Output buffer. Can be NULL if @p size is zero. 613 * @param size 614 * Size of @p buf in bytes. 615 * @param[in] action 616 * Action to copy configuration from. 617 * 618 * @return 619 * Number of bytes needed to store pattern item specification regardless 620 * of @p size. @p buf contents are truncated to @p size if not large 621 * enough. 622 */ 623 static size_t 624 rte_flow_conv_action_conf(void *buf, const size_t size, 625 const struct rte_flow_action *action) 626 { 627 size_t off; 628 629 switch (action->type) { 630 union { 631 const struct rte_flow_action_rss *rss; 632 const struct rte_flow_action_vxlan_encap *vxlan_encap; 633 const struct rte_flow_action_nvgre_encap *nvgre_encap; 634 } src; 635 union { 636 struct rte_flow_action_rss *rss; 637 struct rte_flow_action_vxlan_encap *vxlan_encap; 638 struct rte_flow_action_nvgre_encap *nvgre_encap; 639 } dst; 640 size_t tmp; 641 int ret; 642 643 case RTE_FLOW_ACTION_TYPE_RSS: 644 src.rss = action->conf; 645 dst.rss = buf; 646 rte_memcpy(dst.rss, 647 (&(struct rte_flow_action_rss){ 648 .func = src.rss->func, 649 .level = src.rss->level, 650 .types = src.rss->types, 651 .key_len = src.rss->key_len, 652 .queue_num = src.rss->queue_num, 653 }), 654 size > sizeof(*dst.rss) ? sizeof(*dst.rss) : size); 655 off = sizeof(*dst.rss); 656 if (src.rss->key_len && src.rss->key) { 657 off = RTE_ALIGN_CEIL(off, sizeof(*dst.rss->key)); 658 tmp = sizeof(*src.rss->key) * src.rss->key_len; 659 if (size >= off + tmp) 660 dst.rss->key = rte_memcpy 661 ((void *)((uintptr_t)dst.rss + off), 662 src.rss->key, tmp); 663 off += tmp; 664 } 665 if (src.rss->queue_num) { 666 off = RTE_ALIGN_CEIL(off, sizeof(*dst.rss->queue)); 667 tmp = sizeof(*src.rss->queue) * src.rss->queue_num; 668 if (size >= off + tmp) 669 dst.rss->queue = rte_memcpy 670 ((void *)((uintptr_t)dst.rss + off), 671 src.rss->queue, tmp); 672 off += tmp; 673 } 674 break; 675 case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP: 676 case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP: 677 src.vxlan_encap = action->conf; 678 dst.vxlan_encap = buf; 679 RTE_BUILD_BUG_ON(sizeof(*src.vxlan_encap) != 680 sizeof(*src.nvgre_encap) || 681 offsetof(struct rte_flow_action_vxlan_encap, 682 definition) != 683 offsetof(struct rte_flow_action_nvgre_encap, 684 definition)); 685 off = sizeof(*dst.vxlan_encap); 686 if (src.vxlan_encap->definition) { 687 off = RTE_ALIGN_CEIL 688 (off, sizeof(*dst.vxlan_encap->definition)); 689 ret = rte_flow_conv 690 (RTE_FLOW_CONV_OP_PATTERN, 691 (void *)((uintptr_t)dst.vxlan_encap + off), 692 size > off ? size - off : 0, 693 src.vxlan_encap->definition, NULL); 694 if (ret < 0) 695 return 0; 696 if (size >= off + ret) 697 dst.vxlan_encap->definition = 698 (void *)((uintptr_t)dst.vxlan_encap + 699 off); 700 off += ret; 701 } 702 break; 703 default: 704 off = rte_flow_conv_copy(buf, action->conf, size, 705 rte_flow_desc_action, action->type); 706 break; 707 } 708 return off; 709 } 710 711 /** 712 * Copy a list of pattern items. 713 * 714 * @param[out] dst 715 * Destination buffer. Can be NULL if @p size is zero. 716 * @param size 717 * Size of @p dst in bytes. 718 * @param[in] src 719 * Source pattern items. 720 * @param num 721 * Maximum number of pattern items to process from @p src or 0 to process 722 * the entire list. In both cases, processing stops after 723 * RTE_FLOW_ITEM_TYPE_END is encountered. 724 * @param[out] error 725 * Perform verbose error reporting if not NULL. 726 * 727 * @return 728 * A positive value representing the number of bytes needed to store 729 * pattern items regardless of @p size on success (@p buf contents are 730 * truncated to @p size if not large enough), a negative errno value 731 * otherwise and rte_errno is set. 732 */ 733 static int 734 rte_flow_conv_pattern(struct rte_flow_item *dst, 735 const size_t size, 736 const struct rte_flow_item *src, 737 unsigned int num, 738 struct rte_flow_error *error) 739 { 740 uintptr_t data = (uintptr_t)dst; 741 size_t off; 742 size_t ret; 743 unsigned int i; 744 745 for (i = 0, off = 0; !num || i != num; ++i, ++src, ++dst) { 746 /** 747 * allow PMD private flow item 748 */ 749 if (((int)src->type >= 0) && 750 ((size_t)src->type >= RTE_DIM(rte_flow_desc_item) || 751 !rte_flow_desc_item[src->type].name)) 752 return rte_flow_error_set 753 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, src, 754 "cannot convert unknown item type"); 755 if (size >= off + sizeof(*dst)) 756 *dst = (struct rte_flow_item){ 757 .type = src->type, 758 }; 759 off += sizeof(*dst); 760 if (!src->type) 761 num = i + 1; 762 } 763 num = i; 764 src -= num; 765 dst -= num; 766 do { 767 if (src->spec) { 768 off = RTE_ALIGN_CEIL(off, sizeof(double)); 769 ret = rte_flow_conv_item_spec 770 ((void *)(data + off), 771 size > off ? size - off : 0, src, 772 RTE_FLOW_CONV_ITEM_SPEC); 773 if (size && size >= off + ret) 774 dst->spec = (void *)(data + off); 775 off += ret; 776 777 } 778 if (src->last) { 779 off = RTE_ALIGN_CEIL(off, sizeof(double)); 780 ret = rte_flow_conv_item_spec 781 ((void *)(data + off), 782 size > off ? size - off : 0, src, 783 RTE_FLOW_CONV_ITEM_LAST); 784 if (size && size >= off + ret) 785 dst->last = (void *)(data + off); 786 off += ret; 787 } 788 if (src->mask) { 789 off = RTE_ALIGN_CEIL(off, sizeof(double)); 790 ret = rte_flow_conv_item_spec 791 ((void *)(data + off), 792 size > off ? size - off : 0, src, 793 RTE_FLOW_CONV_ITEM_MASK); 794 if (size && size >= off + ret) 795 dst->mask = (void *)(data + off); 796 off += ret; 797 } 798 ++src; 799 ++dst; 800 } while (--num); 801 return off; 802 } 803 804 /** 805 * Copy a list of actions. 806 * 807 * @param[out] dst 808 * Destination buffer. Can be NULL if @p size is zero. 809 * @param size 810 * Size of @p dst in bytes. 811 * @param[in] src 812 * Source actions. 813 * @param num 814 * Maximum number of actions to process from @p src or 0 to process the 815 * entire list. In both cases, processing stops after 816 * RTE_FLOW_ACTION_TYPE_END is encountered. 817 * @param[out] error 818 * Perform verbose error reporting if not NULL. 819 * 820 * @return 821 * A positive value representing the number of bytes needed to store 822 * actions regardless of @p size on success (@p buf contents are truncated 823 * to @p size if not large enough), a negative errno value otherwise and 824 * rte_errno is set. 825 */ 826 static int 827 rte_flow_conv_actions(struct rte_flow_action *dst, 828 const size_t size, 829 const struct rte_flow_action *src, 830 unsigned int num, 831 struct rte_flow_error *error) 832 { 833 uintptr_t data = (uintptr_t)dst; 834 size_t off; 835 size_t ret; 836 unsigned int i; 837 838 for (i = 0, off = 0; !num || i != num; ++i, ++src, ++dst) { 839 /** 840 * allow PMD private flow action 841 */ 842 if (((int)src->type >= 0) && 843 ((size_t)src->type >= RTE_DIM(rte_flow_desc_action) || 844 !rte_flow_desc_action[src->type].name)) 845 return rte_flow_error_set 846 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION, 847 src, "cannot convert unknown action type"); 848 if (size >= off + sizeof(*dst)) 849 *dst = (struct rte_flow_action){ 850 .type = src->type, 851 }; 852 off += sizeof(*dst); 853 if (!src->type) 854 num = i + 1; 855 } 856 num = i; 857 src -= num; 858 dst -= num; 859 do { 860 if (src->conf) { 861 off = RTE_ALIGN_CEIL(off, sizeof(double)); 862 ret = rte_flow_conv_action_conf 863 ((void *)(data + off), 864 size > off ? size - off : 0, src); 865 if (size && size >= off + ret) 866 dst->conf = (void *)(data + off); 867 off += ret; 868 } 869 ++src; 870 ++dst; 871 } while (--num); 872 return off; 873 } 874 875 /** 876 * Copy flow rule components. 877 * 878 * This comprises the flow rule descriptor itself, attributes, pattern and 879 * actions list. NULL components in @p src are skipped. 880 * 881 * @param[out] dst 882 * Destination buffer. Can be NULL if @p size is zero. 883 * @param size 884 * Size of @p dst in bytes. 885 * @param[in] src 886 * Source flow rule descriptor. 887 * @param[out] error 888 * Perform verbose error reporting if not NULL. 889 * 890 * @return 891 * A positive value representing the number of bytes needed to store all 892 * components including the descriptor regardless of @p size on success 893 * (@p buf contents are truncated to @p size if not large enough), a 894 * negative errno value otherwise and rte_errno is set. 895 */ 896 static int 897 rte_flow_conv_rule(struct rte_flow_conv_rule *dst, 898 const size_t size, 899 const struct rte_flow_conv_rule *src, 900 struct rte_flow_error *error) 901 { 902 size_t off; 903 int ret; 904 905 rte_memcpy(dst, 906 (&(struct rte_flow_conv_rule){ 907 .attr = NULL, 908 .pattern = NULL, 909 .actions = NULL, 910 }), 911 size > sizeof(*dst) ? sizeof(*dst) : size); 912 off = sizeof(*dst); 913 if (src->attr_ro) { 914 off = RTE_ALIGN_CEIL(off, sizeof(double)); 915 if (size && size >= off + sizeof(*dst->attr)) 916 dst->attr = rte_memcpy 917 ((void *)((uintptr_t)dst + off), 918 src->attr_ro, sizeof(*dst->attr)); 919 off += sizeof(*dst->attr); 920 } 921 if (src->pattern_ro) { 922 off = RTE_ALIGN_CEIL(off, sizeof(double)); 923 ret = rte_flow_conv_pattern((void *)((uintptr_t)dst + off), 924 size > off ? size - off : 0, 925 src->pattern_ro, 0, error); 926 if (ret < 0) 927 return ret; 928 if (size && size >= off + (size_t)ret) 929 dst->pattern = (void *)((uintptr_t)dst + off); 930 off += ret; 931 } 932 if (src->actions_ro) { 933 off = RTE_ALIGN_CEIL(off, sizeof(double)); 934 ret = rte_flow_conv_actions((void *)((uintptr_t)dst + off), 935 size > off ? size - off : 0, 936 src->actions_ro, 0, error); 937 if (ret < 0) 938 return ret; 939 if (size >= off + (size_t)ret) 940 dst->actions = (void *)((uintptr_t)dst + off); 941 off += ret; 942 } 943 return off; 944 } 945 946 /** 947 * Retrieve the name of a pattern item/action type. 948 * 949 * @param is_action 950 * Nonzero when @p src represents an action type instead of a pattern item 951 * type. 952 * @param is_ptr 953 * Nonzero to write string address instead of contents into @p dst. 954 * @param[out] dst 955 * Destination buffer. Can be NULL if @p size is zero. 956 * @param size 957 * Size of @p dst in bytes. 958 * @param[in] src 959 * Depending on @p is_action, source pattern item or action type cast as a 960 * pointer. 961 * @param[out] error 962 * Perform verbose error reporting if not NULL. 963 * 964 * @return 965 * A positive value representing the number of bytes needed to store the 966 * name or its address regardless of @p size on success (@p buf contents 967 * are truncated to @p size if not large enough), a negative errno value 968 * otherwise and rte_errno is set. 969 */ 970 static int 971 rte_flow_conv_name(int is_action, 972 int is_ptr, 973 char *dst, 974 const size_t size, 975 const void *src, 976 struct rte_flow_error *error) 977 { 978 struct desc_info { 979 const struct rte_flow_desc_data *data; 980 size_t num; 981 }; 982 static const struct desc_info info_rep[2] = { 983 { rte_flow_desc_item, RTE_DIM(rte_flow_desc_item), }, 984 { rte_flow_desc_action, RTE_DIM(rte_flow_desc_action), }, 985 }; 986 const struct desc_info *const info = &info_rep[!!is_action]; 987 unsigned int type = (uintptr_t)src; 988 989 if (type >= info->num) 990 return rte_flow_error_set 991 (error, EINVAL, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, 992 "unknown object type to retrieve the name of"); 993 if (!is_ptr) 994 return strlcpy(dst, info->data[type].name, size); 995 if (size >= sizeof(const char **)) 996 *((const char **)dst) = info->data[type].name; 997 return sizeof(const char **); 998 } 999 1000 /** Helper function to convert flow API objects. */ 1001 int 1002 rte_flow_conv(enum rte_flow_conv_op op, 1003 void *dst, 1004 size_t size, 1005 const void *src, 1006 struct rte_flow_error *error) 1007 { 1008 switch (op) { 1009 const struct rte_flow_attr *attr; 1010 1011 case RTE_FLOW_CONV_OP_NONE: 1012 return 0; 1013 case RTE_FLOW_CONV_OP_ATTR: 1014 attr = src; 1015 if (size > sizeof(*attr)) 1016 size = sizeof(*attr); 1017 rte_memcpy(dst, attr, size); 1018 return sizeof(*attr); 1019 case RTE_FLOW_CONV_OP_ITEM: 1020 return rte_flow_conv_pattern(dst, size, src, 1, error); 1021 case RTE_FLOW_CONV_OP_ACTION: 1022 return rte_flow_conv_actions(dst, size, src, 1, error); 1023 case RTE_FLOW_CONV_OP_PATTERN: 1024 return rte_flow_conv_pattern(dst, size, src, 0, error); 1025 case RTE_FLOW_CONV_OP_ACTIONS: 1026 return rte_flow_conv_actions(dst, size, src, 0, error); 1027 case RTE_FLOW_CONV_OP_RULE: 1028 return rte_flow_conv_rule(dst, size, src, error); 1029 case RTE_FLOW_CONV_OP_ITEM_NAME: 1030 return rte_flow_conv_name(0, 0, dst, size, src, error); 1031 case RTE_FLOW_CONV_OP_ACTION_NAME: 1032 return rte_flow_conv_name(1, 0, dst, size, src, error); 1033 case RTE_FLOW_CONV_OP_ITEM_NAME_PTR: 1034 return rte_flow_conv_name(0, 1, dst, size, src, error); 1035 case RTE_FLOW_CONV_OP_ACTION_NAME_PTR: 1036 return rte_flow_conv_name(1, 1, dst, size, src, error); 1037 } 1038 return rte_flow_error_set 1039 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, 1040 "unknown object conversion operation"); 1041 } 1042 1043 /** Store a full rte_flow description. */ 1044 size_t 1045 rte_flow_copy(struct rte_flow_desc *desc, size_t len, 1046 const struct rte_flow_attr *attr, 1047 const struct rte_flow_item *items, 1048 const struct rte_flow_action *actions) 1049 { 1050 /* 1051 * Overlap struct rte_flow_conv with struct rte_flow_desc in order 1052 * to convert the former to the latter without wasting space. 1053 */ 1054 struct rte_flow_conv_rule *dst = 1055 len ? 1056 (void *)((uintptr_t)desc + 1057 (offsetof(struct rte_flow_desc, actions) - 1058 offsetof(struct rte_flow_conv_rule, actions))) : 1059 NULL; 1060 size_t dst_size = 1061 len > sizeof(*desc) - sizeof(*dst) ? 1062 len - (sizeof(*desc) - sizeof(*dst)) : 1063 0; 1064 struct rte_flow_conv_rule src = { 1065 .attr_ro = NULL, 1066 .pattern_ro = items, 1067 .actions_ro = actions, 1068 }; 1069 int ret; 1070 1071 RTE_BUILD_BUG_ON(sizeof(struct rte_flow_desc) < 1072 sizeof(struct rte_flow_conv_rule)); 1073 if (dst_size && 1074 (&dst->pattern != &desc->items || 1075 &dst->actions != &desc->actions || 1076 (uintptr_t)(dst + 1) != (uintptr_t)(desc + 1))) { 1077 rte_errno = EINVAL; 1078 return 0; 1079 } 1080 ret = rte_flow_conv(RTE_FLOW_CONV_OP_RULE, dst, dst_size, &src, NULL); 1081 if (ret < 0) 1082 return 0; 1083 ret += sizeof(*desc) - sizeof(*dst); 1084 rte_memcpy(desc, 1085 (&(struct rte_flow_desc){ 1086 .size = ret, 1087 .attr = *attr, 1088 .items = dst_size ? dst->pattern : NULL, 1089 .actions = dst_size ? dst->actions : NULL, 1090 }), 1091 len > sizeof(*desc) ? sizeof(*desc) : len); 1092 return ret; 1093 } 1094 1095 int 1096 rte_flow_dev_dump(uint16_t port_id, struct rte_flow *flow, 1097 FILE *file, struct rte_flow_error *error) 1098 { 1099 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1100 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1101 int ret; 1102 1103 if (unlikely(!ops)) 1104 return -rte_errno; 1105 if (likely(!!ops->dev_dump)) { 1106 fts_enter(dev); 1107 ret = ops->dev_dump(dev, flow, file, error); 1108 fts_exit(dev); 1109 return flow_err(port_id, ret, error); 1110 } 1111 return rte_flow_error_set(error, ENOSYS, 1112 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1113 NULL, rte_strerror(ENOSYS)); 1114 } 1115 1116 int 1117 rte_flow_get_aged_flows(uint16_t port_id, void **contexts, 1118 uint32_t nb_contexts, struct rte_flow_error *error) 1119 { 1120 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1121 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1122 int ret; 1123 1124 if (unlikely(!ops)) 1125 return -rte_errno; 1126 if (likely(!!ops->get_aged_flows)) { 1127 fts_enter(dev); 1128 ret = ops->get_aged_flows(dev, contexts, nb_contexts, error); 1129 fts_exit(dev); 1130 return flow_err(port_id, ret, error); 1131 } 1132 return rte_flow_error_set(error, ENOTSUP, 1133 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1134 NULL, rte_strerror(ENOTSUP)); 1135 } 1136 1137 struct rte_flow_action_handle * 1138 rte_flow_action_handle_create(uint16_t port_id, 1139 const struct rte_flow_indir_action_conf *conf, 1140 const struct rte_flow_action *action, 1141 struct rte_flow_error *error) 1142 { 1143 struct rte_flow_action_handle *handle; 1144 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1145 1146 if (unlikely(!ops)) 1147 return NULL; 1148 if (unlikely(!ops->action_handle_create)) { 1149 rte_flow_error_set(error, ENOSYS, 1150 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, 1151 rte_strerror(ENOSYS)); 1152 return NULL; 1153 } 1154 handle = ops->action_handle_create(&rte_eth_devices[port_id], 1155 conf, action, error); 1156 if (handle == NULL) 1157 flow_err(port_id, -rte_errno, error); 1158 return handle; 1159 } 1160 1161 int 1162 rte_flow_action_handle_destroy(uint16_t port_id, 1163 struct rte_flow_action_handle *handle, 1164 struct rte_flow_error *error) 1165 { 1166 int ret; 1167 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1168 1169 if (unlikely(!ops)) 1170 return -rte_errno; 1171 if (unlikely(!ops->action_handle_destroy)) 1172 return rte_flow_error_set(error, ENOSYS, 1173 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1174 NULL, rte_strerror(ENOSYS)); 1175 ret = ops->action_handle_destroy(&rte_eth_devices[port_id], 1176 handle, error); 1177 return flow_err(port_id, ret, error); 1178 } 1179 1180 int 1181 rte_flow_action_handle_update(uint16_t port_id, 1182 struct rte_flow_action_handle *handle, 1183 const void *update, 1184 struct rte_flow_error *error) 1185 { 1186 int ret; 1187 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1188 1189 if (unlikely(!ops)) 1190 return -rte_errno; 1191 if (unlikely(!ops->action_handle_update)) 1192 return rte_flow_error_set(error, ENOSYS, 1193 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1194 NULL, rte_strerror(ENOSYS)); 1195 ret = ops->action_handle_update(&rte_eth_devices[port_id], handle, 1196 update, error); 1197 return flow_err(port_id, ret, error); 1198 } 1199 1200 int 1201 rte_flow_action_handle_query(uint16_t port_id, 1202 const struct rte_flow_action_handle *handle, 1203 void *data, 1204 struct rte_flow_error *error) 1205 { 1206 int ret; 1207 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1208 1209 if (unlikely(!ops)) 1210 return -rte_errno; 1211 if (unlikely(!ops->action_handle_query)) 1212 return rte_flow_error_set(error, ENOSYS, 1213 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1214 NULL, rte_strerror(ENOSYS)); 1215 ret = ops->action_handle_query(&rte_eth_devices[port_id], handle, 1216 data, error); 1217 return flow_err(port_id, ret, error); 1218 } 1219 1220 int 1221 rte_flow_tunnel_decap_set(uint16_t port_id, 1222 struct rte_flow_tunnel *tunnel, 1223 struct rte_flow_action **actions, 1224 uint32_t *num_of_actions, 1225 struct rte_flow_error *error) 1226 { 1227 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1228 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1229 1230 if (unlikely(!ops)) 1231 return -rte_errno; 1232 if (likely(!!ops->tunnel_decap_set)) { 1233 return flow_err(port_id, 1234 ops->tunnel_decap_set(dev, tunnel, actions, 1235 num_of_actions, error), 1236 error); 1237 } 1238 return rte_flow_error_set(error, ENOTSUP, 1239 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1240 NULL, rte_strerror(ENOTSUP)); 1241 } 1242 1243 int 1244 rte_flow_tunnel_match(uint16_t port_id, 1245 struct rte_flow_tunnel *tunnel, 1246 struct rte_flow_item **items, 1247 uint32_t *num_of_items, 1248 struct rte_flow_error *error) 1249 { 1250 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1251 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1252 1253 if (unlikely(!ops)) 1254 return -rte_errno; 1255 if (likely(!!ops->tunnel_match)) { 1256 return flow_err(port_id, 1257 ops->tunnel_match(dev, tunnel, items, 1258 num_of_items, error), 1259 error); 1260 } 1261 return rte_flow_error_set(error, ENOTSUP, 1262 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1263 NULL, rte_strerror(ENOTSUP)); 1264 } 1265 1266 int 1267 rte_flow_get_restore_info(uint16_t port_id, 1268 struct rte_mbuf *m, 1269 struct rte_flow_restore_info *restore_info, 1270 struct rte_flow_error *error) 1271 { 1272 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1273 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1274 1275 if (unlikely(!ops)) 1276 return -rte_errno; 1277 if (likely(!!ops->get_restore_info)) { 1278 return flow_err(port_id, 1279 ops->get_restore_info(dev, m, restore_info, 1280 error), 1281 error); 1282 } 1283 return rte_flow_error_set(error, ENOTSUP, 1284 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1285 NULL, rte_strerror(ENOTSUP)); 1286 } 1287 1288 int 1289 rte_flow_tunnel_action_decap_release(uint16_t port_id, 1290 struct rte_flow_action *actions, 1291 uint32_t num_of_actions, 1292 struct rte_flow_error *error) 1293 { 1294 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1295 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1296 1297 if (unlikely(!ops)) 1298 return -rte_errno; 1299 if (likely(!!ops->tunnel_action_decap_release)) { 1300 return flow_err(port_id, 1301 ops->tunnel_action_decap_release(dev, actions, 1302 num_of_actions, 1303 error), 1304 error); 1305 } 1306 return rte_flow_error_set(error, ENOTSUP, 1307 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1308 NULL, rte_strerror(ENOTSUP)); 1309 } 1310 1311 int 1312 rte_flow_tunnel_item_release(uint16_t port_id, 1313 struct rte_flow_item *items, 1314 uint32_t num_of_items, 1315 struct rte_flow_error *error) 1316 { 1317 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1318 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1319 1320 if (unlikely(!ops)) 1321 return -rte_errno; 1322 if (likely(!!ops->tunnel_item_release)) { 1323 return flow_err(port_id, 1324 ops->tunnel_item_release(dev, items, 1325 num_of_items, error), 1326 error); 1327 } 1328 return rte_flow_error_set(error, ENOTSUP, 1329 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1330 NULL, rte_strerror(ENOTSUP)); 1331 } 1332 1333 int 1334 rte_flow_pick_transfer_proxy(uint16_t port_id, uint16_t *proxy_port_id, 1335 struct rte_flow_error *error) 1336 { 1337 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1338 struct rte_eth_dev *dev; 1339 1340 if (unlikely(ops == NULL)) 1341 return -rte_errno; 1342 1343 if (ops->pick_transfer_proxy == NULL) { 1344 *proxy_port_id = port_id; 1345 return 0; 1346 } 1347 1348 dev = &rte_eth_devices[port_id]; 1349 1350 return flow_err(port_id, 1351 ops->pick_transfer_proxy(dev, proxy_port_id, error), 1352 error); 1353 } 1354 1355 struct rte_flow_item_flex_handle * 1356 rte_flow_flex_item_create(uint16_t port_id, 1357 const struct rte_flow_item_flex_conf *conf, 1358 struct rte_flow_error *error) 1359 { 1360 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1361 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1362 struct rte_flow_item_flex_handle *handle; 1363 1364 if (unlikely(!ops)) 1365 return NULL; 1366 if (unlikely(!ops->flex_item_create)) { 1367 rte_flow_error_set(error, ENOTSUP, 1368 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1369 NULL, rte_strerror(ENOTSUP)); 1370 return NULL; 1371 } 1372 handle = ops->flex_item_create(dev, conf, error); 1373 if (handle == NULL) 1374 flow_err(port_id, -rte_errno, error); 1375 return handle; 1376 } 1377 1378 int 1379 rte_flow_flex_item_release(uint16_t port_id, 1380 const struct rte_flow_item_flex_handle *handle, 1381 struct rte_flow_error *error) 1382 { 1383 int ret; 1384 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 1385 const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error); 1386 1387 if (unlikely(!ops || !ops->flex_item_release)) 1388 return rte_flow_error_set(error, ENOTSUP, 1389 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1390 NULL, rte_strerror(ENOTSUP)); 1391 ret = ops->flex_item_release(dev, handle, error); 1392 return flow_err(port_id, ret, error); 1393 } 1394