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 /* Don't create flow if default flow is created */ 279 if (flow_info_tbl[sa->portid].rx_def_flow) 280 return 0; 281 282 ret = rte_eth_dev_info_get(sa->portid, &dev_info); 283 if (ret != 0) { 284 RTE_LOG(ERR, IPSEC, 285 "Error during getting device (port %u) info: %s\n", 286 sa->portid, strerror(-ret)); 287 return ret; 288 } 289 290 sa->action[2].type = RTE_FLOW_ACTION_TYPE_END; 291 /* Try RSS. */ 292 sa->action[1].type = RTE_FLOW_ACTION_TYPE_RSS; 293 sa->action[1].conf = &action_rss; 294 ret = rte_eth_dev_rss_hash_conf_get(sa->portid, 295 &rss_conf); 296 if (ret != 0) { 297 RTE_LOG(ERR, IPSEC, 298 "rte_eth_dev_rss_hash_conf_get:ret=%d\n", 299 ret); 300 return -1; 301 } 302 for (i = 0, j = 0; i < dev_info.nb_rx_queues; ++i) 303 queue[j++] = i; 304 305 action_rss = (struct rte_flow_action_rss){ 306 .types = rss_conf.rss_hf, 307 .key_len = rss_conf.rss_key_len, 308 .queue_num = j, 309 .key = rss_key, 310 .queue = queue, 311 }; 312 ret = rte_flow_validate(sa->portid, &sa->attr, 313 sa->pattern, sa->action, 314 &err); 315 if (!ret) 316 goto flow_create; 317 /* Try Queue. */ 318 sa->action[1].type = RTE_FLOW_ACTION_TYPE_QUEUE; 319 sa->action[1].conf = 320 &(struct rte_flow_action_queue){ 321 .index = 0, 322 }; 323 ret = rte_flow_validate(sa->portid, &sa->attr, 324 sa->pattern, sa->action, 325 &err); 326 /* Try End. */ 327 sa->action[1].type = RTE_FLOW_ACTION_TYPE_END; 328 sa->action[1].conf = NULL; 329 ret = rte_flow_validate(sa->portid, &sa->attr, 330 sa->pattern, sa->action, 331 &err); 332 if (ret) 333 goto flow_create_failure; 334 } else if (sa->attr.egress && 335 (ips->security.ol_flags & 336 RTE_SECURITY_TX_HW_TRAILER_OFFLOAD)) { 337 sa->action[1].type = 338 RTE_FLOW_ACTION_TYPE_PASSTHRU; 339 sa->action[2].type = 340 RTE_FLOW_ACTION_TYPE_END; 341 } 342 flow_create: 343 sa->flow = rte_flow_create(sa->portid, 344 &sa->attr, sa->pattern, sa->action, &err); 345 if (sa->flow == NULL) { 346 flow_create_failure: 347 RTE_LOG(ERR, IPSEC, 348 "Failed to create ipsec flow msg: %s\n", 349 err.message); 350 return -1; 351 } 352 } else if (ips->type == RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL) { 353 const struct rte_security_capability *sec_cap; 354 355 sec_ctx = (struct rte_security_ctx *) 356 rte_eth_dev_get_sec_ctx(sa->portid); 357 358 if (sec_ctx == NULL) { 359 RTE_LOG(ERR, IPSEC, 360 "Ethernet device doesn't have security features registered\n"); 361 return -1; 362 } 363 364 /* Set IPsec parameters in conf */ 365 set_ipsec_conf(sa, &(sess_conf.ipsec)); 366 367 /* Save SA as userdata for the security session. When 368 * the packet is received, this userdata will be 369 * retrieved using the metadata from the packet. 370 * 371 * The PMD is expected to set similar metadata for other 372 * operations, like rte_eth_event, which are tied to 373 * security session. In such cases, the userdata could 374 * be obtained to uniquely identify the security 375 * parameters denoted. 376 */ 377 378 sess_conf.userdata = (void *) sa; 379 380 ips->security.ses = rte_security_session_create(sec_ctx, 381 &sess_conf, skt_ctx->session_pool); 382 if (ips->security.ses == NULL) { 383 RTE_LOG(ERR, IPSEC, 384 "SEC Session init failed: err: %d\n", ret); 385 return -1; 386 } 387 388 sec_cap = rte_security_capabilities_get(sec_ctx); 389 if (sec_cap == NULL) { 390 RTE_LOG(ERR, IPSEC, 391 "No capabilities registered\n"); 392 return -1; 393 } 394 395 /* iterate until ESP tunnel*/ 396 while (sec_cap->action != 397 RTE_SECURITY_ACTION_TYPE_NONE) { 398 if (sec_cap->action == ips->type && 399 sec_cap->protocol == 400 RTE_SECURITY_PROTOCOL_IPSEC && 401 sec_cap->ipsec.mode == 402 sess_conf.ipsec.mode && 403 sec_cap->ipsec.direction == sa->direction) 404 break; 405 sec_cap++; 406 } 407 408 if (sec_cap->action == RTE_SECURITY_ACTION_TYPE_NONE) { 409 RTE_LOG(ERR, IPSEC, 410 "No suitable security capability found\n"); 411 return -1; 412 } 413 414 ips->security.ol_flags = sec_cap->ol_flags; 415 ips->security.ctx = sec_ctx; 416 } 417 418 return 0; 419 } 420 421 /* 422 * queue crypto-ops into PMD queue. 423 */ 424 void 425 enqueue_cop_burst(struct cdev_qp *cqp) 426 { 427 uint32_t i, len, ret; 428 429 len = cqp->len; 430 ret = rte_cryptodev_enqueue_burst(cqp->id, cqp->qp, cqp->buf, len); 431 if (ret < len) { 432 RTE_LOG_DP(DEBUG, IPSEC, "Cryptodev %u queue %u:" 433 " enqueued %u crypto ops out of %u\n", 434 cqp->id, cqp->qp, ret, len); 435 /* drop packets that we fail to enqueue */ 436 for (i = ret; i < len; i++) 437 rte_pktmbuf_free(cqp->buf[i]->sym->m_src); 438 } 439 cqp->in_flight += ret; 440 cqp->len = 0; 441 } 442 443 static inline void 444 enqueue_cop(struct cdev_qp *cqp, struct rte_crypto_op *cop) 445 { 446 cqp->buf[cqp->len++] = cop; 447 448 if (cqp->len == MAX_PKT_BURST) 449 enqueue_cop_burst(cqp); 450 } 451 452 static inline void 453 ipsec_enqueue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx, 454 struct rte_mbuf *pkts[], void *sas[], 455 uint16_t nb_pkts) 456 { 457 int32_t ret = 0, i; 458 struct ipsec_mbuf_metadata *priv; 459 struct rte_crypto_sym_op *sym_cop; 460 struct ipsec_sa *sa; 461 struct rte_ipsec_session *ips; 462 463 for (i = 0; i < nb_pkts; i++) { 464 if (unlikely(sas[i] == NULL)) { 465 rte_pktmbuf_free(pkts[i]); 466 continue; 467 } 468 469 rte_prefetch0(sas[i]); 470 rte_prefetch0(pkts[i]); 471 472 priv = get_priv(pkts[i]); 473 sa = ipsec_mask_saptr(sas[i]); 474 priv->sa = sa; 475 ips = ipsec_get_primary_session(sa); 476 477 switch (ips->type) { 478 case RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL: 479 priv->cop.type = RTE_CRYPTO_OP_TYPE_SYMMETRIC; 480 priv->cop.status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED; 481 482 rte_prefetch0(&priv->sym_cop); 483 484 if ((unlikely(ips->security.ses == NULL)) && 485 create_lookaside_session(ipsec_ctx, sa, ips)) { 486 rte_pktmbuf_free(pkts[i]); 487 continue; 488 } 489 490 sym_cop = get_sym_cop(&priv->cop); 491 sym_cop->m_src = pkts[i]; 492 493 rte_security_attach_session(&priv->cop, 494 ips->security.ses); 495 break; 496 497 case RTE_SECURITY_ACTION_TYPE_CPU_CRYPTO: 498 RTE_LOG(ERR, IPSEC, "CPU crypto is not supported by the" 499 " legacy mode."); 500 rte_pktmbuf_free(pkts[i]); 501 continue; 502 503 case RTE_SECURITY_ACTION_TYPE_NONE: 504 505 priv->cop.type = RTE_CRYPTO_OP_TYPE_SYMMETRIC; 506 priv->cop.status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED; 507 508 rte_prefetch0(&priv->sym_cop); 509 510 if ((unlikely(ips->crypto.ses == NULL)) && 511 create_lookaside_session(ipsec_ctx, sa, ips)) { 512 rte_pktmbuf_free(pkts[i]); 513 continue; 514 } 515 516 rte_crypto_op_attach_sym_session(&priv->cop, 517 ips->crypto.ses); 518 519 ret = xform_func(pkts[i], sa, &priv->cop); 520 if (unlikely(ret)) { 521 rte_pktmbuf_free(pkts[i]); 522 continue; 523 } 524 break; 525 case RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL: 526 RTE_ASSERT(ips->security.ses != NULL); 527 ipsec_ctx->ol_pkts[ipsec_ctx->ol_pkts_cnt++] = pkts[i]; 528 if (ips->security.ol_flags & 529 RTE_SECURITY_TX_OLOAD_NEED_MDATA) 530 rte_security_set_pkt_metadata( 531 ips->security.ctx, ips->security.ses, 532 pkts[i], NULL); 533 continue; 534 case RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO: 535 RTE_ASSERT(ips->security.ses != NULL); 536 priv->cop.type = RTE_CRYPTO_OP_TYPE_SYMMETRIC; 537 priv->cop.status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED; 538 539 rte_prefetch0(&priv->sym_cop); 540 rte_security_attach_session(&priv->cop, 541 ips->security.ses); 542 543 ret = xform_func(pkts[i], sa, &priv->cop); 544 if (unlikely(ret)) { 545 rte_pktmbuf_free(pkts[i]); 546 continue; 547 } 548 549 ipsec_ctx->ol_pkts[ipsec_ctx->ol_pkts_cnt++] = pkts[i]; 550 if (ips->security.ol_flags & 551 RTE_SECURITY_TX_OLOAD_NEED_MDATA) 552 rte_security_set_pkt_metadata( 553 ips->security.ctx, ips->security.ses, 554 pkts[i], NULL); 555 continue; 556 } 557 558 RTE_ASSERT(sa->cdev_id_qp < ipsec_ctx->nb_qps); 559 enqueue_cop(&ipsec_ctx->tbl[sa->cdev_id_qp], &priv->cop); 560 } 561 } 562 563 static inline int32_t 564 ipsec_inline_dequeue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx, 565 struct rte_mbuf *pkts[], uint16_t max_pkts) 566 { 567 int32_t nb_pkts, ret; 568 struct ipsec_mbuf_metadata *priv; 569 struct ipsec_sa *sa; 570 struct rte_mbuf *pkt; 571 572 nb_pkts = 0; 573 while (ipsec_ctx->ol_pkts_cnt > 0 && nb_pkts < max_pkts) { 574 pkt = ipsec_ctx->ol_pkts[--ipsec_ctx->ol_pkts_cnt]; 575 rte_prefetch0(pkt); 576 priv = get_priv(pkt); 577 sa = priv->sa; 578 ret = xform_func(pkt, sa, &priv->cop); 579 if (unlikely(ret)) { 580 rte_pktmbuf_free(pkt); 581 continue; 582 } 583 pkts[nb_pkts++] = pkt; 584 } 585 586 return nb_pkts; 587 } 588 589 static inline int 590 ipsec_dequeue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx, 591 struct rte_mbuf *pkts[], uint16_t max_pkts) 592 { 593 int32_t nb_pkts = 0, ret = 0, i, j, nb_cops; 594 struct ipsec_mbuf_metadata *priv; 595 struct rte_crypto_op *cops[max_pkts]; 596 struct ipsec_sa *sa; 597 struct rte_mbuf *pkt; 598 599 for (i = 0; i < ipsec_ctx->nb_qps && nb_pkts < max_pkts; i++) { 600 struct cdev_qp *cqp; 601 602 cqp = &ipsec_ctx->tbl[ipsec_ctx->last_qp++]; 603 if (ipsec_ctx->last_qp == ipsec_ctx->nb_qps) 604 ipsec_ctx->last_qp %= ipsec_ctx->nb_qps; 605 606 if (cqp->in_flight == 0) 607 continue; 608 609 nb_cops = rte_cryptodev_dequeue_burst(cqp->id, cqp->qp, 610 cops, max_pkts - nb_pkts); 611 612 cqp->in_flight -= nb_cops; 613 614 for (j = 0; j < nb_cops; j++) { 615 pkt = cops[j]->sym->m_src; 616 rte_prefetch0(pkt); 617 618 priv = get_priv(pkt); 619 sa = priv->sa; 620 621 RTE_ASSERT(sa != NULL); 622 623 if (ipsec_get_action_type(sa) == 624 RTE_SECURITY_ACTION_TYPE_NONE) { 625 ret = xform_func(pkt, sa, cops[j]); 626 if (unlikely(ret)) { 627 rte_pktmbuf_free(pkt); 628 continue; 629 } 630 } else if (ipsec_get_action_type(sa) == 631 RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL) { 632 if (cops[j]->status) { 633 rte_pktmbuf_free(pkt); 634 continue; 635 } 636 } 637 pkts[nb_pkts++] = pkt; 638 } 639 } 640 641 /* return packets */ 642 return nb_pkts; 643 } 644 645 uint16_t 646 ipsec_inbound(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[], 647 uint16_t nb_pkts, uint16_t len) 648 { 649 void *sas[nb_pkts]; 650 651 inbound_sa_lookup(ctx->sa_ctx, pkts, sas, nb_pkts); 652 653 ipsec_enqueue(esp_inbound, ctx, pkts, sas, nb_pkts); 654 655 return ipsec_inline_dequeue(esp_inbound_post, ctx, pkts, len); 656 } 657 658 uint16_t 659 ipsec_inbound_cqp_dequeue(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[], 660 uint16_t len) 661 { 662 return ipsec_dequeue(esp_inbound_post, ctx, pkts, len); 663 } 664 665 uint16_t 666 ipsec_outbound(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[], 667 uint32_t sa_idx[], uint16_t nb_pkts, uint16_t len) 668 { 669 void *sas[nb_pkts]; 670 671 outbound_sa_lookup(ctx->sa_ctx, sa_idx, sas, nb_pkts); 672 673 ipsec_enqueue(esp_outbound, ctx, pkts, sas, nb_pkts); 674 675 return ipsec_inline_dequeue(esp_outbound_post, ctx, pkts, len); 676 } 677 678 uint16_t 679 ipsec_outbound_cqp_dequeue(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[], 680 uint16_t len) 681 { 682 return ipsec_dequeue(esp_outbound_post, ctx, pkts, len); 683 } 684