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->esn_soft_limit = IPSEC_OFFLOAD_ESN_SOFTLIMIT; 53 ipsec->replay_win_sz = app_sa_prm.window_size; 54 ipsec->options.esn = app_sa_prm.enable_esn; 55 ipsec->options.udp_encap = sa->udp_encap; 56 } 57 58 int 59 create_lookaside_session(struct ipsec_ctx *ipsec_ctx, struct ipsec_sa *sa, 60 struct rte_ipsec_session *ips) 61 { 62 struct rte_cryptodev_info cdev_info; 63 unsigned long cdev_id_qp = 0; 64 int32_t ret = 0; 65 struct cdev_key key = { 0 }; 66 67 key.lcore_id = (uint8_t)rte_lcore_id(); 68 69 key.cipher_algo = (uint8_t)sa->cipher_algo; 70 key.auth_algo = (uint8_t)sa->auth_algo; 71 key.aead_algo = (uint8_t)sa->aead_algo; 72 73 ret = rte_hash_lookup_data(ipsec_ctx->cdev_map, &key, 74 (void **)&cdev_id_qp); 75 if (ret < 0) { 76 RTE_LOG(ERR, IPSEC, 77 "No cryptodev: core %u, cipher_algo %u, " 78 "auth_algo %u, aead_algo %u\n", 79 key.lcore_id, 80 key.cipher_algo, 81 key.auth_algo, 82 key.aead_algo); 83 return -1; 84 } 85 86 RTE_LOG_DP(DEBUG, IPSEC, "Create session for SA spi %u on cryptodev " 87 "%u qp %u\n", sa->spi, 88 ipsec_ctx->tbl[cdev_id_qp].id, 89 ipsec_ctx->tbl[cdev_id_qp].qp); 90 91 if (ips->type != RTE_SECURITY_ACTION_TYPE_NONE && 92 ips->type != RTE_SECURITY_ACTION_TYPE_CPU_CRYPTO) { 93 struct rte_security_session_conf sess_conf = { 94 .action_type = ips->type, 95 .protocol = RTE_SECURITY_PROTOCOL_IPSEC, 96 {.ipsec = { 97 .spi = sa->spi, 98 .salt = sa->salt, 99 .options = { 0 }, 100 .replay_win_sz = 0, 101 .direction = sa->direction, 102 .proto = RTE_SECURITY_IPSEC_SA_PROTO_ESP, 103 .mode = (IS_TUNNEL(sa->flags)) ? 104 RTE_SECURITY_IPSEC_SA_MODE_TUNNEL : 105 RTE_SECURITY_IPSEC_SA_MODE_TRANSPORT, 106 } }, 107 .crypto_xform = sa->xforms, 108 .userdata = NULL, 109 110 }; 111 112 if (ips->type == RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL) { 113 struct rte_security_ctx *ctx = (struct rte_security_ctx *) 114 rte_cryptodev_get_sec_ctx( 115 ipsec_ctx->tbl[cdev_id_qp].id); 116 117 /* Set IPsec parameters in conf */ 118 set_ipsec_conf(sa, &(sess_conf.ipsec)); 119 120 ips->security.ses = rte_security_session_create(ctx, 121 &sess_conf, ipsec_ctx->session_pool, 122 ipsec_ctx->session_priv_pool); 123 if (ips->security.ses == NULL) { 124 RTE_LOG(ERR, IPSEC, 125 "SEC Session init failed: err: %d\n", ret); 126 return -1; 127 } 128 } else { 129 RTE_LOG(ERR, IPSEC, "Inline not supported\n"); 130 return -1; 131 } 132 } else { 133 if (ips->type == RTE_SECURITY_ACTION_TYPE_CPU_CRYPTO) { 134 struct rte_cryptodev_info info; 135 uint16_t cdev_id; 136 137 cdev_id = ipsec_ctx->tbl[cdev_id_qp].id; 138 rte_cryptodev_info_get(cdev_id, &info); 139 if (!(info.feature_flags & 140 RTE_CRYPTODEV_FF_SYM_CPU_CRYPTO)) 141 return -ENOTSUP; 142 143 ips->crypto.dev_id = cdev_id; 144 } 145 ips->crypto.ses = rte_cryptodev_sym_session_create( 146 ipsec_ctx->session_pool); 147 rte_cryptodev_sym_session_init(ipsec_ctx->tbl[cdev_id_qp].id, 148 ips->crypto.ses, sa->xforms, 149 ipsec_ctx->session_priv_pool); 150 151 rte_cryptodev_info_get(ipsec_ctx->tbl[cdev_id_qp].id, 152 &cdev_info); 153 } 154 155 sa->cdev_id_qp = cdev_id_qp; 156 157 return 0; 158 } 159 160 int 161 create_inline_session(struct socket_ctx *skt_ctx, struct ipsec_sa *sa, 162 struct rte_ipsec_session *ips) 163 { 164 int32_t ret = 0; 165 struct rte_security_ctx *sec_ctx; 166 struct rte_security_session_conf sess_conf = { 167 .action_type = ips->type, 168 .protocol = RTE_SECURITY_PROTOCOL_IPSEC, 169 {.ipsec = { 170 .spi = sa->spi, 171 .salt = sa->salt, 172 .options = { 0 }, 173 .replay_win_sz = 0, 174 .direction = sa->direction, 175 .proto = RTE_SECURITY_IPSEC_SA_PROTO_ESP, 176 .mode = (sa->flags == IP4_TUNNEL || 177 sa->flags == IP6_TUNNEL) ? 178 RTE_SECURITY_IPSEC_SA_MODE_TUNNEL : 179 RTE_SECURITY_IPSEC_SA_MODE_TRANSPORT, 180 } }, 181 .crypto_xform = sa->xforms, 182 .userdata = NULL, 183 }; 184 185 RTE_LOG_DP(DEBUG, IPSEC, "Create session for SA spi %u on port %u\n", 186 sa->spi, sa->portid); 187 188 if (ips->type == RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO) { 189 struct rte_flow_error err; 190 const struct rte_security_capability *sec_cap; 191 int ret = 0; 192 193 sec_ctx = (struct rte_security_ctx *) 194 rte_eth_dev_get_sec_ctx( 195 sa->portid); 196 if (sec_ctx == NULL) { 197 RTE_LOG(ERR, IPSEC, 198 " rte_eth_dev_get_sec_ctx failed\n"); 199 return -1; 200 } 201 202 ips->security.ses = rte_security_session_create(sec_ctx, 203 &sess_conf, skt_ctx->session_pool, 204 skt_ctx->session_priv_pool); 205 if (ips->security.ses == NULL) { 206 RTE_LOG(ERR, IPSEC, 207 "SEC Session init failed: err: %d\n", ret); 208 return -1; 209 } 210 211 sec_cap = rte_security_capabilities_get(sec_ctx); 212 213 /* iterate until ESP tunnel*/ 214 while (sec_cap->action != RTE_SECURITY_ACTION_TYPE_NONE) { 215 if (sec_cap->action == ips->type && 216 sec_cap->protocol == 217 RTE_SECURITY_PROTOCOL_IPSEC && 218 sec_cap->ipsec.mode == 219 RTE_SECURITY_IPSEC_SA_MODE_TUNNEL && 220 sec_cap->ipsec.direction == sa->direction) 221 break; 222 sec_cap++; 223 } 224 225 if (sec_cap->action == RTE_SECURITY_ACTION_TYPE_NONE) { 226 RTE_LOG(ERR, IPSEC, 227 "No suitable security capability found\n"); 228 return -1; 229 } 230 231 ips->security.ol_flags = sec_cap->ol_flags; 232 ips->security.ctx = sec_ctx; 233 sa->pattern[0].type = RTE_FLOW_ITEM_TYPE_ETH; 234 235 if (IS_IP6(sa->flags)) { 236 sa->pattern[1].mask = &rte_flow_item_ipv6_mask; 237 sa->pattern[1].type = RTE_FLOW_ITEM_TYPE_IPV6; 238 sa->pattern[1].spec = &sa->ipv6_spec; 239 240 memcpy(sa->ipv6_spec.hdr.dst_addr, 241 sa->dst.ip.ip6.ip6_b, 16); 242 memcpy(sa->ipv6_spec.hdr.src_addr, 243 sa->src.ip.ip6.ip6_b, 16); 244 } else if (IS_IP4(sa->flags)) { 245 sa->pattern[1].mask = &rte_flow_item_ipv4_mask; 246 sa->pattern[1].type = RTE_FLOW_ITEM_TYPE_IPV4; 247 sa->pattern[1].spec = &sa->ipv4_spec; 248 249 sa->ipv4_spec.hdr.dst_addr = sa->dst.ip.ip4; 250 sa->ipv4_spec.hdr.src_addr = sa->src.ip.ip4; 251 } 252 253 sa->pattern[2].type = RTE_FLOW_ITEM_TYPE_ESP; 254 sa->pattern[2].spec = &sa->esp_spec; 255 sa->pattern[2].mask = &rte_flow_item_esp_mask; 256 sa->esp_spec.hdr.spi = rte_cpu_to_be_32(sa->spi); 257 258 sa->pattern[3].type = RTE_FLOW_ITEM_TYPE_END; 259 260 sa->action[0].type = RTE_FLOW_ACTION_TYPE_SECURITY; 261 sa->action[0].conf = ips->security.ses; 262 263 sa->action[1].type = RTE_FLOW_ACTION_TYPE_END; 264 265 sa->attr.egress = (sa->direction == 266 RTE_SECURITY_IPSEC_SA_DIR_EGRESS); 267 sa->attr.ingress = (sa->direction == 268 RTE_SECURITY_IPSEC_SA_DIR_INGRESS); 269 if (sa->attr.ingress) { 270 uint8_t rss_key[40]; 271 struct rte_eth_rss_conf rss_conf = { 272 .rss_key = rss_key, 273 .rss_key_len = 40, 274 }; 275 struct rte_eth_dev_info dev_info; 276 uint16_t queue[RTE_MAX_QUEUES_PER_PORT]; 277 struct rte_flow_action_rss action_rss; 278 unsigned int i; 279 unsigned int j; 280 281 /* Don't create flow if default flow is created */ 282 if (flow_info_tbl[sa->portid].rx_def_flow) 283 return 0; 284 285 ret = rte_eth_dev_info_get(sa->portid, &dev_info); 286 if (ret != 0) { 287 RTE_LOG(ERR, IPSEC, 288 "Error during getting device (port %u) info: %s\n", 289 sa->portid, strerror(-ret)); 290 return ret; 291 } 292 293 sa->action[2].type = RTE_FLOW_ACTION_TYPE_END; 294 /* Try RSS. */ 295 sa->action[1].type = RTE_FLOW_ACTION_TYPE_RSS; 296 sa->action[1].conf = &action_rss; 297 ret = rte_eth_dev_rss_hash_conf_get(sa->portid, 298 &rss_conf); 299 if (ret != 0) { 300 RTE_LOG(ERR, IPSEC, 301 "rte_eth_dev_rss_hash_conf_get:ret=%d\n", 302 ret); 303 return -1; 304 } 305 for (i = 0, j = 0; i < dev_info.nb_rx_queues; ++i) 306 queue[j++] = i; 307 308 action_rss = (struct rte_flow_action_rss){ 309 .types = rss_conf.rss_hf, 310 .key_len = rss_conf.rss_key_len, 311 .queue_num = j, 312 .key = rss_key, 313 .queue = queue, 314 }; 315 ret = rte_flow_validate(sa->portid, &sa->attr, 316 sa->pattern, sa->action, 317 &err); 318 if (!ret) 319 goto flow_create; 320 /* Try Queue. */ 321 sa->action[1].type = RTE_FLOW_ACTION_TYPE_QUEUE; 322 sa->action[1].conf = 323 &(struct rte_flow_action_queue){ 324 .index = 0, 325 }; 326 ret = rte_flow_validate(sa->portid, &sa->attr, 327 sa->pattern, sa->action, 328 &err); 329 /* Try End. */ 330 sa->action[1].type = RTE_FLOW_ACTION_TYPE_END; 331 sa->action[1].conf = NULL; 332 ret = rte_flow_validate(sa->portid, &sa->attr, 333 sa->pattern, sa->action, 334 &err); 335 if (ret) 336 goto flow_create_failure; 337 } else if (sa->attr.egress && 338 (ips->security.ol_flags & 339 RTE_SECURITY_TX_HW_TRAILER_OFFLOAD)) { 340 sa->action[1].type = 341 RTE_FLOW_ACTION_TYPE_PASSTHRU; 342 sa->action[2].type = 343 RTE_FLOW_ACTION_TYPE_END; 344 } 345 flow_create: 346 sa->flow = rte_flow_create(sa->portid, 347 &sa->attr, sa->pattern, sa->action, &err); 348 if (sa->flow == NULL) { 349 flow_create_failure: 350 RTE_LOG(ERR, IPSEC, 351 "Failed to create ipsec flow msg: %s\n", 352 err.message); 353 return -1; 354 } 355 } else if (ips->type == RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL) { 356 const struct rte_security_capability *sec_cap; 357 358 sec_ctx = (struct rte_security_ctx *) 359 rte_eth_dev_get_sec_ctx(sa->portid); 360 361 if (sec_ctx == NULL) { 362 RTE_LOG(ERR, IPSEC, 363 "Ethernet device doesn't have security features registered\n"); 364 return -1; 365 } 366 367 /* Set IPsec parameters in conf */ 368 set_ipsec_conf(sa, &(sess_conf.ipsec)); 369 370 /* Save SA as userdata for the security session. When 371 * the packet is received, this userdata will be 372 * retrieved using the metadata from the packet. 373 * 374 * The PMD is expected to set similar metadata for other 375 * operations, like rte_eth_event, which are tied to 376 * security session. In such cases, the userdata could 377 * be obtained to uniquely identify the security 378 * parameters denoted. 379 */ 380 381 sess_conf.userdata = (void *) sa; 382 383 ips->security.ses = rte_security_session_create(sec_ctx, 384 &sess_conf, skt_ctx->session_pool, 385 skt_ctx->session_priv_pool); 386 if (ips->security.ses == NULL) { 387 RTE_LOG(ERR, IPSEC, 388 "SEC Session init failed: err: %d\n", ret); 389 return -1; 390 } 391 392 sec_cap = rte_security_capabilities_get(sec_ctx); 393 if (sec_cap == NULL) { 394 RTE_LOG(ERR, IPSEC, 395 "No capabilities registered\n"); 396 return -1; 397 } 398 399 /* iterate until ESP tunnel*/ 400 while (sec_cap->action != 401 RTE_SECURITY_ACTION_TYPE_NONE) { 402 if (sec_cap->action == ips->type && 403 sec_cap->protocol == 404 RTE_SECURITY_PROTOCOL_IPSEC && 405 sec_cap->ipsec.mode == 406 sess_conf.ipsec.mode && 407 sec_cap->ipsec.direction == sa->direction) 408 break; 409 sec_cap++; 410 } 411 412 if (sec_cap->action == RTE_SECURITY_ACTION_TYPE_NONE) { 413 RTE_LOG(ERR, IPSEC, 414 "No suitable security capability found\n"); 415 return -1; 416 } 417 418 ips->security.ol_flags = sec_cap->ol_flags; 419 ips->security.ctx = sec_ctx; 420 } 421 422 return 0; 423 } 424 425 int 426 create_ipsec_esp_flow(struct ipsec_sa *sa) 427 { 428 int ret = 0; 429 struct rte_flow_error err; 430 if (sa->direction == RTE_SECURITY_IPSEC_SA_DIR_EGRESS) { 431 RTE_LOG(ERR, IPSEC, 432 "No Flow director rule for Egress traffic\n"); 433 return -1; 434 } 435 if (sa->flags == TRANSPORT) { 436 RTE_LOG(ERR, IPSEC, 437 "No Flow director rule for transport mode\n"); 438 return -1; 439 } 440 sa->action[0].type = RTE_FLOW_ACTION_TYPE_QUEUE; 441 sa->pattern[0].type = RTE_FLOW_ITEM_TYPE_ETH; 442 sa->action[0].conf = &(struct rte_flow_action_queue) { 443 .index = sa->fdir_qid, 444 }; 445 sa->attr.egress = 0; 446 sa->attr.ingress = 1; 447 if (IS_IP6(sa->flags)) { 448 sa->pattern[1].mask = &rte_flow_item_ipv6_mask; 449 sa->pattern[1].type = RTE_FLOW_ITEM_TYPE_IPV6; 450 sa->pattern[1].spec = &sa->ipv6_spec; 451 memcpy(sa->ipv6_spec.hdr.dst_addr, 452 sa->dst.ip.ip6.ip6_b, sizeof(sa->dst.ip.ip6.ip6_b)); 453 memcpy(sa->ipv6_spec.hdr.src_addr, 454 sa->src.ip.ip6.ip6_b, sizeof(sa->src.ip.ip6.ip6_b)); 455 sa->pattern[2].type = RTE_FLOW_ITEM_TYPE_ESP; 456 sa->pattern[2].spec = &sa->esp_spec; 457 sa->pattern[2].mask = &rte_flow_item_esp_mask; 458 sa->esp_spec.hdr.spi = rte_cpu_to_be_32(sa->spi); 459 sa->pattern[3].type = RTE_FLOW_ITEM_TYPE_END; 460 } else if (IS_IP4(sa->flags)) { 461 sa->pattern[1].mask = &rte_flow_item_ipv4_mask; 462 sa->pattern[1].type = RTE_FLOW_ITEM_TYPE_IPV4; 463 sa->pattern[1].spec = &sa->ipv4_spec; 464 sa->ipv4_spec.hdr.dst_addr = sa->dst.ip.ip4; 465 sa->ipv4_spec.hdr.src_addr = sa->src.ip.ip4; 466 sa->pattern[2].type = RTE_FLOW_ITEM_TYPE_ESP; 467 sa->pattern[2].spec = &sa->esp_spec; 468 sa->pattern[2].mask = &rte_flow_item_esp_mask; 469 sa->esp_spec.hdr.spi = rte_cpu_to_be_32(sa->spi); 470 sa->pattern[3].type = RTE_FLOW_ITEM_TYPE_END; 471 } 472 sa->action[1].type = RTE_FLOW_ACTION_TYPE_END; 473 474 ret = rte_flow_validate(sa->portid, &sa->attr, sa->pattern, sa->action, 475 &err); 476 if (ret < 0) { 477 RTE_LOG(ERR, IPSEC, "Flow validation failed %s\n", err.message); 478 return ret; 479 } 480 481 sa->flow = rte_flow_create(sa->portid, &sa->attr, sa->pattern, 482 sa->action, &err); 483 if (!sa->flow) { 484 RTE_LOG(ERR, IPSEC, "Flow creation failed %s\n", err.message); 485 return -1; 486 } 487 488 return 0; 489 } 490 491 /* 492 * queue crypto-ops into PMD queue. 493 */ 494 void 495 enqueue_cop_burst(struct cdev_qp *cqp) 496 { 497 uint32_t i, len, ret; 498 499 len = cqp->len; 500 ret = rte_cryptodev_enqueue_burst(cqp->id, cqp->qp, cqp->buf, len); 501 if (ret < len) { 502 RTE_LOG_DP(DEBUG, IPSEC, "Cryptodev %u queue %u:" 503 " enqueued %u crypto ops out of %u\n", 504 cqp->id, cqp->qp, ret, len); 505 /* drop packets that we fail to enqueue */ 506 for (i = ret; i < len; i++) 507 free_pkts(&cqp->buf[i]->sym->m_src, 1); 508 } 509 cqp->in_flight += ret; 510 cqp->len = 0; 511 } 512 513 static inline void 514 enqueue_cop(struct cdev_qp *cqp, struct rte_crypto_op *cop) 515 { 516 cqp->buf[cqp->len++] = cop; 517 518 if (cqp->len == MAX_PKT_BURST) 519 enqueue_cop_burst(cqp); 520 } 521 522 static inline void 523 ipsec_enqueue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx, 524 struct rte_mbuf *pkts[], void *sas[], 525 uint16_t nb_pkts) 526 { 527 int32_t ret = 0, i; 528 struct ipsec_mbuf_metadata *priv; 529 struct rte_crypto_sym_op *sym_cop; 530 struct ipsec_sa *sa; 531 struct rte_ipsec_session *ips; 532 533 for (i = 0; i < nb_pkts; i++) { 534 if (unlikely(sas[i] == NULL)) { 535 free_pkts(&pkts[i], 1); 536 continue; 537 } 538 539 rte_prefetch0(sas[i]); 540 rte_prefetch0(pkts[i]); 541 542 priv = get_priv(pkts[i]); 543 sa = ipsec_mask_saptr(sas[i]); 544 priv->sa = sa; 545 ips = ipsec_get_primary_session(sa); 546 547 switch (ips->type) { 548 case RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL: 549 priv->cop.type = RTE_CRYPTO_OP_TYPE_SYMMETRIC; 550 priv->cop.status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED; 551 552 rte_prefetch0(&priv->sym_cop); 553 554 if ((unlikely(ips->security.ses == NULL)) && 555 create_lookaside_session(ipsec_ctx, sa, ips)) { 556 free_pkts(&pkts[i], 1); 557 continue; 558 } 559 560 if (unlikely((pkts[i]->packet_type & 561 (RTE_PTYPE_TUNNEL_MASK | 562 RTE_PTYPE_L4_MASK)) == 563 MBUF_PTYPE_TUNNEL_ESP_IN_UDP && 564 sa->udp_encap != 1)) { 565 free_pkts(&pkts[i], 1); 566 continue; 567 } 568 569 sym_cop = get_sym_cop(&priv->cop); 570 sym_cop->m_src = pkts[i]; 571 572 rte_security_attach_session(&priv->cop, 573 ips->security.ses); 574 break; 575 576 case RTE_SECURITY_ACTION_TYPE_CPU_CRYPTO: 577 RTE_LOG(ERR, IPSEC, "CPU crypto is not supported by the" 578 " legacy mode."); 579 free_pkts(&pkts[i], 1); 580 continue; 581 582 case RTE_SECURITY_ACTION_TYPE_NONE: 583 584 priv->cop.type = RTE_CRYPTO_OP_TYPE_SYMMETRIC; 585 priv->cop.status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED; 586 587 rte_prefetch0(&priv->sym_cop); 588 589 if ((unlikely(ips->crypto.ses == NULL)) && 590 create_lookaside_session(ipsec_ctx, sa, ips)) { 591 free_pkts(&pkts[i], 1); 592 continue; 593 } 594 595 rte_crypto_op_attach_sym_session(&priv->cop, 596 ips->crypto.ses); 597 598 ret = xform_func(pkts[i], sa, &priv->cop); 599 if (unlikely(ret)) { 600 free_pkts(&pkts[i], 1); 601 continue; 602 } 603 break; 604 case RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL: 605 RTE_ASSERT(ips->security.ses != NULL); 606 ipsec_ctx->ol_pkts[ipsec_ctx->ol_pkts_cnt++] = pkts[i]; 607 if (ips->security.ol_flags & 608 RTE_SECURITY_TX_OLOAD_NEED_MDATA) 609 rte_security_set_pkt_metadata( 610 ips->security.ctx, ips->security.ses, 611 pkts[i], NULL); 612 continue; 613 case RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO: 614 RTE_ASSERT(ips->security.ses != NULL); 615 priv->cop.type = RTE_CRYPTO_OP_TYPE_SYMMETRIC; 616 priv->cop.status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED; 617 618 rte_prefetch0(&priv->sym_cop); 619 rte_security_attach_session(&priv->cop, 620 ips->security.ses); 621 622 ret = xform_func(pkts[i], sa, &priv->cop); 623 if (unlikely(ret)) { 624 free_pkts(&pkts[i], 1); 625 continue; 626 } 627 628 ipsec_ctx->ol_pkts[ipsec_ctx->ol_pkts_cnt++] = pkts[i]; 629 if (ips->security.ol_flags & 630 RTE_SECURITY_TX_OLOAD_NEED_MDATA) 631 rte_security_set_pkt_metadata( 632 ips->security.ctx, ips->security.ses, 633 pkts[i], NULL); 634 continue; 635 } 636 637 RTE_ASSERT(sa->cdev_id_qp < ipsec_ctx->nb_qps); 638 enqueue_cop(&ipsec_ctx->tbl[sa->cdev_id_qp], &priv->cop); 639 } 640 } 641 642 static inline int32_t 643 ipsec_inline_dequeue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx, 644 struct rte_mbuf *pkts[], uint16_t max_pkts) 645 { 646 int32_t nb_pkts, ret; 647 struct ipsec_mbuf_metadata *priv; 648 struct ipsec_sa *sa; 649 struct rte_mbuf *pkt; 650 651 nb_pkts = 0; 652 while (ipsec_ctx->ol_pkts_cnt > 0 && nb_pkts < max_pkts) { 653 pkt = ipsec_ctx->ol_pkts[--ipsec_ctx->ol_pkts_cnt]; 654 rte_prefetch0(pkt); 655 priv = get_priv(pkt); 656 sa = priv->sa; 657 ret = xform_func(pkt, sa, &priv->cop); 658 if (unlikely(ret)) { 659 free_pkts(&pkt, 1); 660 continue; 661 } 662 pkts[nb_pkts++] = pkt; 663 } 664 665 return nb_pkts; 666 } 667 668 static inline int 669 ipsec_dequeue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx, 670 struct rte_mbuf *pkts[], uint16_t max_pkts) 671 { 672 int32_t nb_pkts = 0, ret = 0, i, j, nb_cops; 673 struct ipsec_mbuf_metadata *priv; 674 struct rte_crypto_op *cops[max_pkts]; 675 struct ipsec_sa *sa; 676 struct rte_mbuf *pkt; 677 678 for (i = 0; i < ipsec_ctx->nb_qps && nb_pkts < max_pkts; i++) { 679 struct cdev_qp *cqp; 680 681 cqp = &ipsec_ctx->tbl[ipsec_ctx->last_qp++]; 682 if (ipsec_ctx->last_qp == ipsec_ctx->nb_qps) 683 ipsec_ctx->last_qp %= ipsec_ctx->nb_qps; 684 685 if (cqp->in_flight == 0) 686 continue; 687 688 nb_cops = rte_cryptodev_dequeue_burst(cqp->id, cqp->qp, 689 cops, max_pkts - nb_pkts); 690 691 cqp->in_flight -= nb_cops; 692 693 for (j = 0; j < nb_cops; j++) { 694 pkt = cops[j]->sym->m_src; 695 rte_prefetch0(pkt); 696 697 priv = get_priv(pkt); 698 sa = priv->sa; 699 700 RTE_ASSERT(sa != NULL); 701 702 if (ipsec_get_action_type(sa) == 703 RTE_SECURITY_ACTION_TYPE_NONE) { 704 ret = xform_func(pkt, sa, cops[j]); 705 if (unlikely(ret)) { 706 free_pkts(&pkt, 1); 707 continue; 708 } 709 } else if (ipsec_get_action_type(sa) == 710 RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL) { 711 if (cops[j]->status) { 712 free_pkts(&pkt, 1); 713 continue; 714 } 715 } 716 pkts[nb_pkts++] = pkt; 717 } 718 } 719 720 /* return packets */ 721 return nb_pkts; 722 } 723 724 uint16_t 725 ipsec_inbound(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[], 726 uint16_t nb_pkts, uint16_t len) 727 { 728 void *sas[nb_pkts]; 729 730 inbound_sa_lookup(ctx->sa_ctx, pkts, sas, nb_pkts); 731 732 ipsec_enqueue(esp_inbound, ctx, pkts, sas, nb_pkts); 733 734 return ipsec_inline_dequeue(esp_inbound_post, ctx, pkts, len); 735 } 736 737 uint16_t 738 ipsec_inbound_cqp_dequeue(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[], 739 uint16_t len) 740 { 741 return ipsec_dequeue(esp_inbound_post, ctx, pkts, len); 742 } 743 744 uint16_t 745 ipsec_outbound(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[], 746 uint32_t sa_idx[], uint16_t nb_pkts, uint16_t len) 747 { 748 void *sas[nb_pkts]; 749 750 outbound_sa_lookup(ctx->sa_ctx, sa_idx, sas, nb_pkts); 751 752 ipsec_enqueue(esp_outbound, ctx, pkts, sas, nb_pkts); 753 754 return ipsec_inline_dequeue(esp_outbound_post, ctx, pkts, len); 755 } 756 757 uint16_t 758 ipsec_outbound_cqp_dequeue(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[], 759 uint16_t len) 760 { 761 return ipsec_dequeue(esp_outbound_post, ctx, pkts, len); 762 } 763