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