1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2016-2020 Intel Corporation 3 */ 4 #include <sys/types.h> 5 #include <netinet/in.h> 6 #include <netinet/ip.h> 7 8 #include <rte_branch_prediction.h> 9 #include <rte_log.h> 10 #include <rte_crypto.h> 11 #include <rte_security.h> 12 #include <rte_cryptodev.h> 13 #include <rte_ipsec.h> 14 #include <rte_ethdev.h> 15 #include <rte_mbuf.h> 16 #include <rte_hash.h> 17 18 #include "ipsec.h" 19 #include "esp.h" 20 21 static inline void 22 set_ipsec_conf(struct ipsec_sa *sa, struct rte_security_ipsec_xform *ipsec) 23 { 24 if (ipsec->mode == RTE_SECURITY_IPSEC_SA_MODE_TUNNEL) { 25 struct rte_security_ipsec_tunnel_param *tunnel = 26 &ipsec->tunnel; 27 if (IS_IP4_TUNNEL(sa->flags)) { 28 tunnel->type = 29 RTE_SECURITY_IPSEC_TUNNEL_IPV4; 30 tunnel->ipv4.ttl = IPDEFTTL; 31 32 memcpy((uint8_t *)&tunnel->ipv4.src_ip, 33 (uint8_t *)&sa->src.ip.ip4, 4); 34 35 memcpy((uint8_t *)&tunnel->ipv4.dst_ip, 36 (uint8_t *)&sa->dst.ip.ip4, 4); 37 } else if (IS_IP6_TUNNEL(sa->flags)) { 38 tunnel->type = 39 RTE_SECURITY_IPSEC_TUNNEL_IPV6; 40 tunnel->ipv6.hlimit = IPDEFTTL; 41 tunnel->ipv6.dscp = 0; 42 tunnel->ipv6.flabel = 0; 43 44 memcpy((uint8_t *)&tunnel->ipv6.src_addr, 45 (uint8_t *)&sa->src.ip.ip6.ip6_b, 16); 46 47 memcpy((uint8_t *)&tunnel->ipv6.dst_addr, 48 (uint8_t *)&sa->dst.ip.ip6.ip6_b, 16); 49 } 50 /* TODO support for Transport */ 51 } 52 ipsec->replay_win_sz = app_sa_prm.window_size; 53 ipsec->options.esn = app_sa_prm.enable_esn; 54 ipsec->options.udp_encap = sa->udp_encap; 55 } 56 57 int 58 create_lookaside_session(struct ipsec_ctx *ipsec_ctx, struct ipsec_sa *sa, 59 struct rte_ipsec_session *ips) 60 { 61 struct rte_cryptodev_info cdev_info; 62 unsigned long cdev_id_qp = 0; 63 int32_t ret = 0; 64 struct cdev_key key = { 0 }; 65 66 key.lcore_id = (uint8_t)rte_lcore_id(); 67 68 key.cipher_algo = (uint8_t)sa->cipher_algo; 69 key.auth_algo = (uint8_t)sa->auth_algo; 70 key.aead_algo = (uint8_t)sa->aead_algo; 71 72 ret = rte_hash_lookup_data(ipsec_ctx->cdev_map, &key, 73 (void **)&cdev_id_qp); 74 if (ret < 0) { 75 RTE_LOG(ERR, IPSEC, 76 "No cryptodev: core %u, cipher_algo %u, " 77 "auth_algo %u, aead_algo %u\n", 78 key.lcore_id, 79 key.cipher_algo, 80 key.auth_algo, 81 key.aead_algo); 82 return -1; 83 } 84 85 RTE_LOG_DP(DEBUG, IPSEC, "Create session for SA spi %u on cryptodev " 86 "%u qp %u\n", sa->spi, 87 ipsec_ctx->tbl[cdev_id_qp].id, 88 ipsec_ctx->tbl[cdev_id_qp].qp); 89 90 if (ips->type != RTE_SECURITY_ACTION_TYPE_NONE && 91 ips->type != RTE_SECURITY_ACTION_TYPE_CPU_CRYPTO) { 92 struct rte_security_session_conf sess_conf = { 93 .action_type = ips->type, 94 .protocol = RTE_SECURITY_PROTOCOL_IPSEC, 95 {.ipsec = { 96 .spi = sa->spi, 97 .salt = sa->salt, 98 .options = { 0 }, 99 .replay_win_sz = 0, 100 .direction = sa->direction, 101 .proto = RTE_SECURITY_IPSEC_SA_PROTO_ESP, 102 .mode = (IS_TUNNEL(sa->flags)) ? 103 RTE_SECURITY_IPSEC_SA_MODE_TUNNEL : 104 RTE_SECURITY_IPSEC_SA_MODE_TRANSPORT, 105 } }, 106 .crypto_xform = sa->xforms, 107 .userdata = NULL, 108 109 }; 110 111 if (ips->type == RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL) { 112 struct rte_security_ctx *ctx = (struct rte_security_ctx *) 113 rte_cryptodev_get_sec_ctx( 114 ipsec_ctx->tbl[cdev_id_qp].id); 115 116 /* Set IPsec parameters in conf */ 117 set_ipsec_conf(sa, &(sess_conf.ipsec)); 118 119 ips->security.ses = rte_security_session_create(ctx, 120 &sess_conf, ipsec_ctx->session_pool, 121 ipsec_ctx->session_priv_pool); 122 if (ips->security.ses == NULL) { 123 RTE_LOG(ERR, IPSEC, 124 "SEC Session init failed: err: %d\n", ret); 125 return -1; 126 } 127 } else { 128 RTE_LOG(ERR, IPSEC, "Inline not supported\n"); 129 return -1; 130 } 131 } else { 132 if (ips->type == RTE_SECURITY_ACTION_TYPE_CPU_CRYPTO) { 133 struct rte_cryptodev_info info; 134 uint16_t cdev_id; 135 136 cdev_id = ipsec_ctx->tbl[cdev_id_qp].id; 137 rte_cryptodev_info_get(cdev_id, &info); 138 if (!(info.feature_flags & 139 RTE_CRYPTODEV_FF_SYM_CPU_CRYPTO)) 140 return -ENOTSUP; 141 142 ips->crypto.dev_id = cdev_id; 143 } 144 ips->crypto.ses = rte_cryptodev_sym_session_create( 145 ipsec_ctx->session_pool); 146 rte_cryptodev_sym_session_init(ipsec_ctx->tbl[cdev_id_qp].id, 147 ips->crypto.ses, sa->xforms, 148 ipsec_ctx->session_priv_pool); 149 150 rte_cryptodev_info_get(ipsec_ctx->tbl[cdev_id_qp].id, 151 &cdev_info); 152 } 153 154 sa->cdev_id_qp = cdev_id_qp; 155 156 return 0; 157 } 158 159 int 160 create_inline_session(struct socket_ctx *skt_ctx, struct ipsec_sa *sa, 161 struct rte_ipsec_session *ips) 162 { 163 int32_t ret = 0; 164 struct rte_security_ctx *sec_ctx; 165 struct rte_security_session_conf sess_conf = { 166 .action_type = ips->type, 167 .protocol = RTE_SECURITY_PROTOCOL_IPSEC, 168 {.ipsec = { 169 .spi = sa->spi, 170 .salt = sa->salt, 171 .options = { 0 }, 172 .replay_win_sz = 0, 173 .direction = sa->direction, 174 .proto = RTE_SECURITY_IPSEC_SA_PROTO_ESP, 175 .mode = (sa->flags == IP4_TUNNEL || 176 sa->flags == IP6_TUNNEL) ? 177 RTE_SECURITY_IPSEC_SA_MODE_TUNNEL : 178 RTE_SECURITY_IPSEC_SA_MODE_TRANSPORT, 179 } }, 180 .crypto_xform = sa->xforms, 181 .userdata = NULL, 182 }; 183 184 RTE_LOG_DP(DEBUG, IPSEC, "Create session for SA spi %u on port %u\n", 185 sa->spi, sa->portid); 186 187 if (ips->type == RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO) { 188 struct rte_flow_error err; 189 const struct rte_security_capability *sec_cap; 190 int ret = 0; 191 192 sec_ctx = (struct rte_security_ctx *) 193 rte_eth_dev_get_sec_ctx( 194 sa->portid); 195 if (sec_ctx == NULL) { 196 RTE_LOG(ERR, IPSEC, 197 " rte_eth_dev_get_sec_ctx failed\n"); 198 return -1; 199 } 200 201 ips->security.ses = rte_security_session_create(sec_ctx, 202 &sess_conf, skt_ctx->session_pool, 203 skt_ctx->session_priv_pool); 204 if (ips->security.ses == NULL) { 205 RTE_LOG(ERR, IPSEC, 206 "SEC Session init failed: err: %d\n", ret); 207 return -1; 208 } 209 210 sec_cap = rte_security_capabilities_get(sec_ctx); 211 212 /* iterate until ESP tunnel*/ 213 while (sec_cap->action != RTE_SECURITY_ACTION_TYPE_NONE) { 214 if (sec_cap->action == ips->type && 215 sec_cap->protocol == 216 RTE_SECURITY_PROTOCOL_IPSEC && 217 sec_cap->ipsec.mode == 218 RTE_SECURITY_IPSEC_SA_MODE_TUNNEL && 219 sec_cap->ipsec.direction == sa->direction) 220 break; 221 sec_cap++; 222 } 223 224 if (sec_cap->action == RTE_SECURITY_ACTION_TYPE_NONE) { 225 RTE_LOG(ERR, IPSEC, 226 "No suitable security capability found\n"); 227 return -1; 228 } 229 230 ips->security.ol_flags = sec_cap->ol_flags; 231 ips->security.ctx = sec_ctx; 232 sa->pattern[0].type = RTE_FLOW_ITEM_TYPE_ETH; 233 234 if (IS_IP6(sa->flags)) { 235 sa->pattern[1].mask = &rte_flow_item_ipv6_mask; 236 sa->pattern[1].type = RTE_FLOW_ITEM_TYPE_IPV6; 237 sa->pattern[1].spec = &sa->ipv6_spec; 238 239 memcpy(sa->ipv6_spec.hdr.dst_addr, 240 sa->dst.ip.ip6.ip6_b, 16); 241 memcpy(sa->ipv6_spec.hdr.src_addr, 242 sa->src.ip.ip6.ip6_b, 16); 243 } else if (IS_IP4(sa->flags)) { 244 sa->pattern[1].mask = &rte_flow_item_ipv4_mask; 245 sa->pattern[1].type = RTE_FLOW_ITEM_TYPE_IPV4; 246 sa->pattern[1].spec = &sa->ipv4_spec; 247 248 sa->ipv4_spec.hdr.dst_addr = sa->dst.ip.ip4; 249 sa->ipv4_spec.hdr.src_addr = sa->src.ip.ip4; 250 } 251 252 sa->pattern[2].type = RTE_FLOW_ITEM_TYPE_ESP; 253 sa->pattern[2].spec = &sa->esp_spec; 254 sa->pattern[2].mask = &rte_flow_item_esp_mask; 255 sa->esp_spec.hdr.spi = rte_cpu_to_be_32(sa->spi); 256 257 sa->pattern[3].type = RTE_FLOW_ITEM_TYPE_END; 258 259 sa->action[0].type = RTE_FLOW_ACTION_TYPE_SECURITY; 260 sa->action[0].conf = ips->security.ses; 261 262 sa->action[1].type = RTE_FLOW_ACTION_TYPE_END; 263 264 sa->attr.egress = (sa->direction == 265 RTE_SECURITY_IPSEC_SA_DIR_EGRESS); 266 sa->attr.ingress = (sa->direction == 267 RTE_SECURITY_IPSEC_SA_DIR_INGRESS); 268 if (sa->attr.ingress) { 269 uint8_t rss_key[40]; 270 struct rte_eth_rss_conf rss_conf = { 271 .rss_key = rss_key, 272 .rss_key_len = 40, 273 }; 274 struct rte_eth_dev_info dev_info; 275 uint16_t queue[RTE_MAX_QUEUES_PER_PORT]; 276 struct rte_flow_action_rss action_rss; 277 unsigned int i; 278 unsigned int j; 279 280 /* Don't create flow if default flow is created */ 281 if (flow_info_tbl[sa->portid].rx_def_flow) 282 return 0; 283 284 ret = rte_eth_dev_info_get(sa->portid, &dev_info); 285 if (ret != 0) { 286 RTE_LOG(ERR, IPSEC, 287 "Error during getting device (port %u) info: %s\n", 288 sa->portid, strerror(-ret)); 289 return ret; 290 } 291 292 sa->action[2].type = RTE_FLOW_ACTION_TYPE_END; 293 /* Try RSS. */ 294 sa->action[1].type = RTE_FLOW_ACTION_TYPE_RSS; 295 sa->action[1].conf = &action_rss; 296 ret = rte_eth_dev_rss_hash_conf_get(sa->portid, 297 &rss_conf); 298 if (ret != 0) { 299 RTE_LOG(ERR, IPSEC, 300 "rte_eth_dev_rss_hash_conf_get:ret=%d\n", 301 ret); 302 return -1; 303 } 304 for (i = 0, j = 0; i < dev_info.nb_rx_queues; ++i) 305 queue[j++] = i; 306 307 action_rss = (struct rte_flow_action_rss){ 308 .types = rss_conf.rss_hf, 309 .key_len = rss_conf.rss_key_len, 310 .queue_num = j, 311 .key = rss_key, 312 .queue = queue, 313 }; 314 ret = rte_flow_validate(sa->portid, &sa->attr, 315 sa->pattern, sa->action, 316 &err); 317 if (!ret) 318 goto flow_create; 319 /* Try Queue. */ 320 sa->action[1].type = RTE_FLOW_ACTION_TYPE_QUEUE; 321 sa->action[1].conf = 322 &(struct rte_flow_action_queue){ 323 .index = 0, 324 }; 325 ret = rte_flow_validate(sa->portid, &sa->attr, 326 sa->pattern, sa->action, 327 &err); 328 /* Try End. */ 329 sa->action[1].type = RTE_FLOW_ACTION_TYPE_END; 330 sa->action[1].conf = NULL; 331 ret = rte_flow_validate(sa->portid, &sa->attr, 332 sa->pattern, sa->action, 333 &err); 334 if (ret) 335 goto flow_create_failure; 336 } else if (sa->attr.egress && 337 (ips->security.ol_flags & 338 RTE_SECURITY_TX_HW_TRAILER_OFFLOAD)) { 339 sa->action[1].type = 340 RTE_FLOW_ACTION_TYPE_PASSTHRU; 341 sa->action[2].type = 342 RTE_FLOW_ACTION_TYPE_END; 343 } 344 flow_create: 345 sa->flow = rte_flow_create(sa->portid, 346 &sa->attr, sa->pattern, sa->action, &err); 347 if (sa->flow == NULL) { 348 flow_create_failure: 349 RTE_LOG(ERR, IPSEC, 350 "Failed to create ipsec flow msg: %s\n", 351 err.message); 352 return -1; 353 } 354 } else if (ips->type == RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL) { 355 const struct rte_security_capability *sec_cap; 356 357 sec_ctx = (struct rte_security_ctx *) 358 rte_eth_dev_get_sec_ctx(sa->portid); 359 360 if (sec_ctx == NULL) { 361 RTE_LOG(ERR, IPSEC, 362 "Ethernet device doesn't have security features registered\n"); 363 return -1; 364 } 365 366 /* Set IPsec parameters in conf */ 367 set_ipsec_conf(sa, &(sess_conf.ipsec)); 368 369 /* Save SA as userdata for the security session. When 370 * the packet is received, this userdata will be 371 * retrieved using the metadata from the packet. 372 * 373 * The PMD is expected to set similar metadata for other 374 * operations, like rte_eth_event, which are tied to 375 * security session. In such cases, the userdata could 376 * be obtained to uniquely identify the security 377 * parameters denoted. 378 */ 379 380 sess_conf.userdata = (void *) sa; 381 382 ips->security.ses = rte_security_session_create(sec_ctx, 383 &sess_conf, skt_ctx->session_pool, 384 skt_ctx->session_priv_pool); 385 if (ips->security.ses == NULL) { 386 RTE_LOG(ERR, IPSEC, 387 "SEC Session init failed: err: %d\n", ret); 388 return -1; 389 } 390 391 sec_cap = rte_security_capabilities_get(sec_ctx); 392 if (sec_cap == NULL) { 393 RTE_LOG(ERR, IPSEC, 394 "No capabilities registered\n"); 395 return -1; 396 } 397 398 /* iterate until ESP tunnel*/ 399 while (sec_cap->action != 400 RTE_SECURITY_ACTION_TYPE_NONE) { 401 if (sec_cap->action == ips->type && 402 sec_cap->protocol == 403 RTE_SECURITY_PROTOCOL_IPSEC && 404 sec_cap->ipsec.mode == 405 sess_conf.ipsec.mode && 406 sec_cap->ipsec.direction == sa->direction) 407 break; 408 sec_cap++; 409 } 410 411 if (sec_cap->action == RTE_SECURITY_ACTION_TYPE_NONE) { 412 RTE_LOG(ERR, IPSEC, 413 "No suitable security capability found\n"); 414 return -1; 415 } 416 417 ips->security.ol_flags = sec_cap->ol_flags; 418 ips->security.ctx = sec_ctx; 419 } 420 421 return 0; 422 } 423 424 int 425 create_ipsec_esp_flow(struct ipsec_sa *sa) 426 { 427 int ret = 0; 428 struct rte_flow_error err; 429 if (sa->direction == RTE_SECURITY_IPSEC_SA_DIR_EGRESS) { 430 RTE_LOG(ERR, IPSEC, 431 "No Flow director rule for Egress traffic\n"); 432 return -1; 433 } 434 if (sa->flags == TRANSPORT) { 435 RTE_LOG(ERR, IPSEC, 436 "No Flow director rule for transport mode\n"); 437 return -1; 438 } 439 sa->action[0].type = RTE_FLOW_ACTION_TYPE_QUEUE; 440 sa->pattern[0].type = RTE_FLOW_ITEM_TYPE_ETH; 441 sa->action[0].conf = &(struct rte_flow_action_queue) { 442 .index = sa->fdir_qid, 443 }; 444 sa->attr.egress = 0; 445 sa->attr.ingress = 1; 446 if (IS_IP6(sa->flags)) { 447 sa->pattern[1].mask = &rte_flow_item_ipv6_mask; 448 sa->pattern[1].type = RTE_FLOW_ITEM_TYPE_IPV6; 449 sa->pattern[1].spec = &sa->ipv6_spec; 450 memcpy(sa->ipv6_spec.hdr.dst_addr, 451 sa->dst.ip.ip6.ip6_b, sizeof(sa->dst.ip.ip6.ip6_b)); 452 memcpy(sa->ipv6_spec.hdr.src_addr, 453 sa->src.ip.ip6.ip6_b, sizeof(sa->src.ip.ip6.ip6_b)); 454 sa->pattern[2].type = RTE_FLOW_ITEM_TYPE_ESP; 455 sa->pattern[2].spec = &sa->esp_spec; 456 sa->pattern[2].mask = &rte_flow_item_esp_mask; 457 sa->esp_spec.hdr.spi = rte_cpu_to_be_32(sa->spi); 458 sa->pattern[3].type = RTE_FLOW_ITEM_TYPE_END; 459 } else if (IS_IP4(sa->flags)) { 460 sa->pattern[1].mask = &rte_flow_item_ipv4_mask; 461 sa->pattern[1].type = RTE_FLOW_ITEM_TYPE_IPV4; 462 sa->pattern[1].spec = &sa->ipv4_spec; 463 sa->ipv4_spec.hdr.dst_addr = sa->dst.ip.ip4; 464 sa->ipv4_spec.hdr.src_addr = sa->src.ip.ip4; 465 sa->pattern[2].type = RTE_FLOW_ITEM_TYPE_ESP; 466 sa->pattern[2].spec = &sa->esp_spec; 467 sa->pattern[2].mask = &rte_flow_item_esp_mask; 468 sa->esp_spec.hdr.spi = rte_cpu_to_be_32(sa->spi); 469 sa->pattern[3].type = RTE_FLOW_ITEM_TYPE_END; 470 } 471 sa->action[1].type = RTE_FLOW_ACTION_TYPE_END; 472 473 ret = rte_flow_validate(sa->portid, &sa->attr, sa->pattern, sa->action, 474 &err); 475 if (ret < 0) { 476 RTE_LOG(ERR, IPSEC, "Flow validation failed %s\n", err.message); 477 return ret; 478 } 479 480 sa->flow = rte_flow_create(sa->portid, &sa->attr, sa->pattern, 481 sa->action, &err); 482 if (!sa->flow) { 483 RTE_LOG(ERR, IPSEC, "Flow creation failed %s\n", err.message); 484 return -1; 485 } 486 487 return 0; 488 } 489 490 /* 491 * queue crypto-ops into PMD queue. 492 */ 493 void 494 enqueue_cop_burst(struct cdev_qp *cqp) 495 { 496 uint32_t i, len, ret; 497 498 len = cqp->len; 499 ret = rte_cryptodev_enqueue_burst(cqp->id, cqp->qp, cqp->buf, len); 500 if (ret < len) { 501 RTE_LOG_DP(DEBUG, IPSEC, "Cryptodev %u queue %u:" 502 " enqueued %u crypto ops out of %u\n", 503 cqp->id, cqp->qp, ret, len); 504 /* drop packets that we fail to enqueue */ 505 for (i = ret; i < len; i++) 506 free_pkts(&cqp->buf[i]->sym->m_src, 1); 507 } 508 cqp->in_flight += ret; 509 cqp->len = 0; 510 } 511 512 static inline void 513 enqueue_cop(struct cdev_qp *cqp, struct rte_crypto_op *cop) 514 { 515 cqp->buf[cqp->len++] = cop; 516 517 if (cqp->len == MAX_PKT_BURST) 518 enqueue_cop_burst(cqp); 519 } 520 521 static inline void 522 ipsec_enqueue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx, 523 struct rte_mbuf *pkts[], void *sas[], 524 uint16_t nb_pkts) 525 { 526 int32_t ret = 0, i; 527 struct ipsec_mbuf_metadata *priv; 528 struct rte_crypto_sym_op *sym_cop; 529 struct ipsec_sa *sa; 530 struct rte_ipsec_session *ips; 531 532 for (i = 0; i < nb_pkts; i++) { 533 if (unlikely(sas[i] == NULL)) { 534 free_pkts(&pkts[i], 1); 535 continue; 536 } 537 538 rte_prefetch0(sas[i]); 539 rte_prefetch0(pkts[i]); 540 541 priv = get_priv(pkts[i]); 542 sa = ipsec_mask_saptr(sas[i]); 543 priv->sa = sa; 544 ips = ipsec_get_primary_session(sa); 545 546 switch (ips->type) { 547 case RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL: 548 priv->cop.type = RTE_CRYPTO_OP_TYPE_SYMMETRIC; 549 priv->cop.status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED; 550 551 rte_prefetch0(&priv->sym_cop); 552 553 if ((unlikely(ips->security.ses == NULL)) && 554 create_lookaside_session(ipsec_ctx, sa, ips)) { 555 free_pkts(&pkts[i], 1); 556 continue; 557 } 558 559 if (unlikely((pkts[i]->packet_type & 560 (RTE_PTYPE_TUNNEL_MASK | 561 RTE_PTYPE_L4_MASK)) == 562 MBUF_PTYPE_TUNNEL_ESP_IN_UDP && 563 sa->udp_encap != 1)) { 564 free_pkts(&pkts[i], 1); 565 continue; 566 } 567 568 sym_cop = get_sym_cop(&priv->cop); 569 sym_cop->m_src = pkts[i]; 570 571 rte_security_attach_session(&priv->cop, 572 ips->security.ses); 573 break; 574 575 case RTE_SECURITY_ACTION_TYPE_CPU_CRYPTO: 576 RTE_LOG(ERR, IPSEC, "CPU crypto is not supported by the" 577 " legacy mode."); 578 free_pkts(&pkts[i], 1); 579 continue; 580 581 case RTE_SECURITY_ACTION_TYPE_NONE: 582 583 priv->cop.type = RTE_CRYPTO_OP_TYPE_SYMMETRIC; 584 priv->cop.status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED; 585 586 rte_prefetch0(&priv->sym_cop); 587 588 if ((unlikely(ips->crypto.ses == NULL)) && 589 create_lookaside_session(ipsec_ctx, sa, ips)) { 590 free_pkts(&pkts[i], 1); 591 continue; 592 } 593 594 rte_crypto_op_attach_sym_session(&priv->cop, 595 ips->crypto.ses); 596 597 ret = xform_func(pkts[i], sa, &priv->cop); 598 if (unlikely(ret)) { 599 free_pkts(&pkts[i], 1); 600 continue; 601 } 602 break; 603 case RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL: 604 RTE_ASSERT(ips->security.ses != NULL); 605 ipsec_ctx->ol_pkts[ipsec_ctx->ol_pkts_cnt++] = pkts[i]; 606 if (ips->security.ol_flags & 607 RTE_SECURITY_TX_OLOAD_NEED_MDATA) 608 rte_security_set_pkt_metadata( 609 ips->security.ctx, ips->security.ses, 610 pkts[i], NULL); 611 continue; 612 case RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO: 613 RTE_ASSERT(ips->security.ses != NULL); 614 priv->cop.type = RTE_CRYPTO_OP_TYPE_SYMMETRIC; 615 priv->cop.status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED; 616 617 rte_prefetch0(&priv->sym_cop); 618 rte_security_attach_session(&priv->cop, 619 ips->security.ses); 620 621 ret = xform_func(pkts[i], sa, &priv->cop); 622 if (unlikely(ret)) { 623 free_pkts(&pkts[i], 1); 624 continue; 625 } 626 627 ipsec_ctx->ol_pkts[ipsec_ctx->ol_pkts_cnt++] = pkts[i]; 628 if (ips->security.ol_flags & 629 RTE_SECURITY_TX_OLOAD_NEED_MDATA) 630 rte_security_set_pkt_metadata( 631 ips->security.ctx, ips->security.ses, 632 pkts[i], NULL); 633 continue; 634 } 635 636 RTE_ASSERT(sa->cdev_id_qp < ipsec_ctx->nb_qps); 637 enqueue_cop(&ipsec_ctx->tbl[sa->cdev_id_qp], &priv->cop); 638 } 639 } 640 641 static inline int32_t 642 ipsec_inline_dequeue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx, 643 struct rte_mbuf *pkts[], uint16_t max_pkts) 644 { 645 int32_t nb_pkts, ret; 646 struct ipsec_mbuf_metadata *priv; 647 struct ipsec_sa *sa; 648 struct rte_mbuf *pkt; 649 650 nb_pkts = 0; 651 while (ipsec_ctx->ol_pkts_cnt > 0 && nb_pkts < max_pkts) { 652 pkt = ipsec_ctx->ol_pkts[--ipsec_ctx->ol_pkts_cnt]; 653 rte_prefetch0(pkt); 654 priv = get_priv(pkt); 655 sa = priv->sa; 656 ret = xform_func(pkt, sa, &priv->cop); 657 if (unlikely(ret)) { 658 free_pkts(&pkt, 1); 659 continue; 660 } 661 pkts[nb_pkts++] = pkt; 662 } 663 664 return nb_pkts; 665 } 666 667 static inline int 668 ipsec_dequeue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx, 669 struct rte_mbuf *pkts[], uint16_t max_pkts) 670 { 671 int32_t nb_pkts = 0, ret = 0, i, j, nb_cops; 672 struct ipsec_mbuf_metadata *priv; 673 struct rte_crypto_op *cops[max_pkts]; 674 struct ipsec_sa *sa; 675 struct rte_mbuf *pkt; 676 677 for (i = 0; i < ipsec_ctx->nb_qps && nb_pkts < max_pkts; i++) { 678 struct cdev_qp *cqp; 679 680 cqp = &ipsec_ctx->tbl[ipsec_ctx->last_qp++]; 681 if (ipsec_ctx->last_qp == ipsec_ctx->nb_qps) 682 ipsec_ctx->last_qp %= ipsec_ctx->nb_qps; 683 684 if (cqp->in_flight == 0) 685 continue; 686 687 nb_cops = rte_cryptodev_dequeue_burst(cqp->id, cqp->qp, 688 cops, max_pkts - nb_pkts); 689 690 cqp->in_flight -= nb_cops; 691 692 for (j = 0; j < nb_cops; j++) { 693 pkt = cops[j]->sym->m_src; 694 rte_prefetch0(pkt); 695 696 priv = get_priv(pkt); 697 sa = priv->sa; 698 699 RTE_ASSERT(sa != NULL); 700 701 if (ipsec_get_action_type(sa) == 702 RTE_SECURITY_ACTION_TYPE_NONE) { 703 ret = xform_func(pkt, sa, cops[j]); 704 if (unlikely(ret)) { 705 free_pkts(&pkt, 1); 706 continue; 707 } 708 } else if (ipsec_get_action_type(sa) == 709 RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL) { 710 if (cops[j]->status) { 711 free_pkts(&pkt, 1); 712 continue; 713 } 714 } 715 pkts[nb_pkts++] = pkt; 716 } 717 } 718 719 /* return packets */ 720 return nb_pkts; 721 } 722 723 uint16_t 724 ipsec_inbound(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[], 725 uint16_t nb_pkts, uint16_t len) 726 { 727 void *sas[nb_pkts]; 728 729 inbound_sa_lookup(ctx->sa_ctx, pkts, sas, nb_pkts); 730 731 ipsec_enqueue(esp_inbound, ctx, pkts, sas, nb_pkts); 732 733 return ipsec_inline_dequeue(esp_inbound_post, ctx, pkts, len); 734 } 735 736 uint16_t 737 ipsec_inbound_cqp_dequeue(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[], 738 uint16_t len) 739 { 740 return ipsec_dequeue(esp_inbound_post, ctx, pkts, len); 741 } 742 743 uint16_t 744 ipsec_outbound(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[], 745 uint32_t sa_idx[], uint16_t nb_pkts, uint16_t len) 746 { 747 void *sas[nb_pkts]; 748 749 outbound_sa_lookup(ctx->sa_ctx, sa_idx, sas, nb_pkts); 750 751 ipsec_enqueue(esp_outbound, ctx, pkts, sas, nb_pkts); 752 753 return ipsec_inline_dequeue(esp_outbound_post, ctx, pkts, len); 754 } 755 756 uint16_t 757 ipsec_outbound_cqp_dequeue(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[], 758 uint16_t len) 759 { 760 return ipsec_dequeue(esp_outbound_post, ctx, pkts, len); 761 } 762