X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=examples%2Fipsec-secgw%2Fipsec.c;h=51fb22e8a5a9c329c2ccf4b5458b48f6d707603f;hb=5194299d6ef5f29ee41043dd9e36f04595bb25f9;hp=f8fc49bac1270880a9eadfc04b4a97fcf38e88e0;hpb=0109baf1964ca047646d49708263b2f6cbd63571;p=dpdk.git diff --git a/examples/ipsec-secgw/ipsec.c b/examples/ipsec-secgw/ipsec.c index f8fc49bac1..51fb22e8a5 100644 --- a/examples/ipsec-secgw/ipsec.c +++ b/examples/ipsec-secgw/ipsec.c @@ -33,14 +33,26 @@ set_ipsec_conf(struct ipsec_sa *sa, struct rte_security_ipsec_xform *ipsec) memcpy((uint8_t *)&tunnel->ipv4.dst_ip, (uint8_t *)&sa->dst.ip.ip4, 4); + } else if (IS_IP6_TUNNEL(sa->flags)) { + tunnel->type = + RTE_SECURITY_IPSEC_TUNNEL_IPV6; + tunnel->ipv6.hlimit = IPDEFTTL; + tunnel->ipv6.dscp = 0; + tunnel->ipv6.flabel = 0; + + memcpy((uint8_t *)&tunnel->ipv6.src_addr, + (uint8_t *)&sa->src.ip.ip6.ip6_b, 16); + + memcpy((uint8_t *)&tunnel->ipv6.dst_addr, + (uint8_t *)&sa->dst.ip.ip6.ip6_b, 16); } - /* TODO support for Transport and IPV6 tunnel */ + /* TODO support for Transport */ } ipsec->esn_soft_limit = IPSEC_OFFLOAD_ESN_SOFTLIMIT; } int -create_session(struct ipsec_ctx *ipsec_ctx, struct ipsec_sa *sa) +create_lookaside_session(struct ipsec_ctx *ipsec_ctx, struct ipsec_sa *sa) { struct rte_cryptodev_info cdev_info; unsigned long cdev_id_qp = 0; @@ -53,19 +65,17 @@ create_session(struct ipsec_ctx *ipsec_ctx, struct ipsec_sa *sa) key.auth_algo = (uint8_t)sa->auth_algo; key.aead_algo = (uint8_t)sa->aead_algo; - if (sa->type == RTE_SECURITY_ACTION_TYPE_NONE) { - ret = rte_hash_lookup_data(ipsec_ctx->cdev_map, &key, - (void **)&cdev_id_qp); - if (ret < 0) { - RTE_LOG(ERR, IPSEC, + ret = rte_hash_lookup_data(ipsec_ctx->cdev_map, &key, + (void **)&cdev_id_qp); + if (ret < 0) { + RTE_LOG(ERR, IPSEC, "No cryptodev: core %u, cipher_algo %u, " "auth_algo %u, aead_algo %u\n", key.lcore_id, key.cipher_algo, key.auth_algo, key.aead_algo); - return -1; - } + return -1; } RTE_LOG_DP(DEBUG, IPSEC, "Create session for SA spi %u on cryptodev " @@ -107,230 +117,280 @@ create_session(struct ipsec_ctx *ipsec_ctx, struct ipsec_sa *sa) "SEC Session init failed: err: %d\n", ret); return -1; } - } else if (sa->type == RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO) { - struct rte_flow_error err; - struct rte_security_ctx *ctx = (struct rte_security_ctx *) - rte_eth_dev_get_sec_ctx( - sa->portid); - const struct rte_security_capability *sec_cap; - int ret = 0; + } else { + RTE_LOG(ERR, IPSEC, "Inline not supported\n"); + return -1; + } + } else { + sa->crypto_session = rte_cryptodev_sym_session_create( + ipsec_ctx->session_pool); + rte_cryptodev_sym_session_init(ipsec_ctx->tbl[cdev_id_qp].id, + sa->crypto_session, sa->xforms, + ipsec_ctx->session_priv_pool); - sa->sec_session = rte_security_session_create(ctx, - &sess_conf, ipsec_ctx->session_priv_pool); - if (sa->sec_session == NULL) { - RTE_LOG(ERR, IPSEC, - "SEC Session init failed: err: %d\n", ret); - return -1; - } + rte_cryptodev_info_get(ipsec_ctx->tbl[cdev_id_qp].id, + &cdev_info); + } - sec_cap = rte_security_capabilities_get(ctx); + sa->cdev_id_qp = cdev_id_qp; - /* iterate until ESP tunnel*/ - while (sec_cap->action != - RTE_SECURITY_ACTION_TYPE_NONE) { + return 0; +} - if (sec_cap->action == sa->type && - sec_cap->protocol == - RTE_SECURITY_PROTOCOL_IPSEC && - sec_cap->ipsec.mode == - sess_conf.ipsec.mode && - sec_cap->ipsec.direction == sa->direction) - break; - sec_cap++; - } +int +create_inline_session(struct socket_ctx *skt_ctx, struct ipsec_sa *sa) +{ + int32_t ret = 0; + struct rte_security_ctx *sec_ctx; + struct rte_security_session_conf sess_conf = { + .action_type = sa->type, + .protocol = RTE_SECURITY_PROTOCOL_IPSEC, + {.ipsec = { + .spi = sa->spi, + .salt = sa->salt, + .options = { 0 }, + .direction = sa->direction, + .proto = RTE_SECURITY_IPSEC_SA_PROTO_ESP, + .mode = (sa->flags == IP4_TUNNEL || + sa->flags == IP6_TUNNEL) ? + RTE_SECURITY_IPSEC_SA_MODE_TUNNEL : + RTE_SECURITY_IPSEC_SA_MODE_TRANSPORT, + } }, + .crypto_xform = sa->xforms, + .userdata = NULL, + }; + + RTE_LOG_DP(DEBUG, IPSEC, "Create session for SA spi %u on port %u\n", + sa->spi, sa->portid); + + if (sa->type == RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO) { + struct rte_flow_error err; + const struct rte_security_capability *sec_cap; + int ret = 0; + + sec_ctx = (struct rte_security_ctx *) + rte_eth_dev_get_sec_ctx( + sa->portid); + if (sec_ctx == NULL) { + RTE_LOG(ERR, IPSEC, + " rte_eth_dev_get_sec_ctx failed\n"); + return -1; + } - if (sec_cap->action == RTE_SECURITY_ACTION_TYPE_NONE) { - RTE_LOG(ERR, IPSEC, - "No suitable security capability found\n"); - return -1; - } + sa->sec_session = rte_security_session_create(sec_ctx, + &sess_conf, skt_ctx->session_pool); + if (sa->sec_session == NULL) { + RTE_LOG(ERR, IPSEC, + "SEC Session init failed: err: %d\n", ret); + return -1; + } - sa->ol_flags = sec_cap->ol_flags; - sa->security_ctx = ctx; - sa->pattern[0].type = RTE_FLOW_ITEM_TYPE_ETH; - - if (IS_IP6(sa->flags)) { - sa->pattern[1].mask = &rte_flow_item_ipv6_mask; - sa->pattern[1].type = RTE_FLOW_ITEM_TYPE_IPV6; - sa->pattern[1].spec = &sa->ipv6_spec; - - memcpy(sa->ipv6_spec.hdr.dst_addr, - sa->dst.ip.ip6.ip6_b, 16); - memcpy(sa->ipv6_spec.hdr.src_addr, - sa->src.ip.ip6.ip6_b, 16); - } else if (IS_IP4(sa->flags)) { - sa->pattern[1].mask = &rte_flow_item_ipv4_mask; - sa->pattern[1].type = RTE_FLOW_ITEM_TYPE_IPV4; - sa->pattern[1].spec = &sa->ipv4_spec; - - sa->ipv4_spec.hdr.dst_addr = sa->dst.ip.ip4; - sa->ipv4_spec.hdr.src_addr = sa->src.ip.ip4; - } + sec_cap = rte_security_capabilities_get(sec_ctx); + + /* iterate until ESP tunnel*/ + while (sec_cap->action != RTE_SECURITY_ACTION_TYPE_NONE) { + if (sec_cap->action == sa->type && + sec_cap->protocol == + RTE_SECURITY_PROTOCOL_IPSEC && + sec_cap->ipsec.mode == + RTE_SECURITY_IPSEC_SA_MODE_TUNNEL && + sec_cap->ipsec.direction == sa->direction) + break; + sec_cap++; + } - sa->pattern[2].type = RTE_FLOW_ITEM_TYPE_ESP; - sa->pattern[2].spec = &sa->esp_spec; - sa->pattern[2].mask = &rte_flow_item_esp_mask; - sa->esp_spec.hdr.spi = rte_cpu_to_be_32(sa->spi); + if (sec_cap->action == RTE_SECURITY_ACTION_TYPE_NONE) { + RTE_LOG(ERR, IPSEC, + "No suitable security capability found\n"); + return -1; + } - sa->pattern[3].type = RTE_FLOW_ITEM_TYPE_END; + sa->ol_flags = sec_cap->ol_flags; + sa->security_ctx = sec_ctx; + sa->pattern[0].type = RTE_FLOW_ITEM_TYPE_ETH; + + if (IS_IP6(sa->flags)) { + sa->pattern[1].mask = &rte_flow_item_ipv6_mask; + sa->pattern[1].type = RTE_FLOW_ITEM_TYPE_IPV6; + sa->pattern[1].spec = &sa->ipv6_spec; + + memcpy(sa->ipv6_spec.hdr.dst_addr, + sa->dst.ip.ip6.ip6_b, 16); + memcpy(sa->ipv6_spec.hdr.src_addr, + sa->src.ip.ip6.ip6_b, 16); + } else if (IS_IP4(sa->flags)) { + sa->pattern[1].mask = &rte_flow_item_ipv4_mask; + sa->pattern[1].type = RTE_FLOW_ITEM_TYPE_IPV4; + sa->pattern[1].spec = &sa->ipv4_spec; + + sa->ipv4_spec.hdr.dst_addr = sa->dst.ip.ip4; + sa->ipv4_spec.hdr.src_addr = sa->src.ip.ip4; + } - sa->action[0].type = RTE_FLOW_ACTION_TYPE_SECURITY; - sa->action[0].conf = sa->sec_session; + sa->pattern[2].type = RTE_FLOW_ITEM_TYPE_ESP; + sa->pattern[2].spec = &sa->esp_spec; + sa->pattern[2].mask = &rte_flow_item_esp_mask; + sa->esp_spec.hdr.spi = rte_cpu_to_be_32(sa->spi); + + sa->pattern[3].type = RTE_FLOW_ITEM_TYPE_END; + + sa->action[0].type = RTE_FLOW_ACTION_TYPE_SECURITY; + sa->action[0].conf = sa->sec_session; + + sa->action[1].type = RTE_FLOW_ACTION_TYPE_END; + + sa->attr.egress = (sa->direction == + RTE_SECURITY_IPSEC_SA_DIR_EGRESS); + sa->attr.ingress = (sa->direction == + RTE_SECURITY_IPSEC_SA_DIR_INGRESS); + if (sa->attr.ingress) { + uint8_t rss_key[40]; + struct rte_eth_rss_conf rss_conf = { + .rss_key = rss_key, + .rss_key_len = 40, + }; + struct rte_eth_dev_info dev_info; + uint16_t queue[RTE_MAX_QUEUES_PER_PORT]; + struct rte_flow_action_rss action_rss; + unsigned int i; + unsigned int j; + + ret = rte_eth_dev_info_get(sa->portid, &dev_info); + if (ret != 0) { + RTE_LOG(ERR, IPSEC, + "Error during getting device (port %u) info: %s\n", + sa->portid, strerror(-ret)); + return ret; + } - sa->action[1].type = RTE_FLOW_ACTION_TYPE_END; + sa->action[2].type = RTE_FLOW_ACTION_TYPE_END; + /* Try RSS. */ + sa->action[1].type = RTE_FLOW_ACTION_TYPE_RSS; + sa->action[1].conf = &action_rss; + ret = rte_eth_dev_rss_hash_conf_get(sa->portid, + &rss_conf); + if (ret != 0) { + RTE_LOG(ERR, IPSEC, + "rte_eth_dev_rss_hash_conf_get:ret=%d\n", + ret); + return -1; + } + for (i = 0, j = 0; i < dev_info.nb_rx_queues; ++i) + queue[j++] = i; - sa->attr.egress = (sa->direction == - RTE_SECURITY_IPSEC_SA_DIR_EGRESS); - sa->attr.ingress = (sa->direction == - RTE_SECURITY_IPSEC_SA_DIR_INGRESS); - if (sa->attr.ingress) { - uint8_t rss_key[40]; - struct rte_eth_rss_conf rss_conf = { - .rss_key = rss_key, - .rss_key_len = 40, - }; - struct rte_eth_dev_info dev_info; - uint16_t queue[RTE_MAX_QUEUES_PER_PORT]; - struct rte_flow_action_rss action_rss; - unsigned int i; - unsigned int j; - - rte_eth_dev_info_get(sa->portid, &dev_info); - sa->action[2].type = RTE_FLOW_ACTION_TYPE_END; - /* Try RSS. */ - sa->action[1].type = RTE_FLOW_ACTION_TYPE_RSS; - sa->action[1].conf = &action_rss; - rte_eth_dev_rss_hash_conf_get(sa->portid, - &rss_conf); - for (i = 0, j = 0; - i < dev_info.nb_rx_queues; ++i) - queue[j++] = i; - action_rss = (struct rte_flow_action_rss){ + action_rss = (struct rte_flow_action_rss){ .types = rss_conf.rss_hf, .key_len = rss_conf.rss_key_len, .queue_num = j, .key = rss_key, .queue = queue, - }; - ret = rte_flow_validate(sa->portid, &sa->attr, - sa->pattern, sa->action, - &err); - if (!ret) - goto flow_create; - /* Try Queue. */ - sa->action[1].type = RTE_FLOW_ACTION_TYPE_QUEUE; - sa->action[1].conf = - &(struct rte_flow_action_queue){ - .index = 0, - }; - ret = rte_flow_validate(sa->portid, &sa->attr, - sa->pattern, sa->action, - &err); - /* Try End. */ - sa->action[1].type = RTE_FLOW_ACTION_TYPE_END; - sa->action[1].conf = NULL; - ret = rte_flow_validate(sa->portid, &sa->attr, - sa->pattern, sa->action, - &err); - if (ret) - goto flow_create_failure; - } else if (sa->attr.egress && - (sa->ol_flags & + }; + ret = rte_flow_validate(sa->portid, &sa->attr, + sa->pattern, sa->action, + &err); + if (!ret) + goto flow_create; + /* Try Queue. */ + sa->action[1].type = RTE_FLOW_ACTION_TYPE_QUEUE; + sa->action[1].conf = + &(struct rte_flow_action_queue){ + .index = 0, + }; + ret = rte_flow_validate(sa->portid, &sa->attr, + sa->pattern, sa->action, + &err); + /* Try End. */ + sa->action[1].type = RTE_FLOW_ACTION_TYPE_END; + sa->action[1].conf = NULL; + ret = rte_flow_validate(sa->portid, &sa->attr, + sa->pattern, sa->action, + &err); + if (ret) + goto flow_create_failure; + } else if (sa->attr.egress && + (sa->ol_flags & RTE_SECURITY_TX_HW_TRAILER_OFFLOAD)) { - sa->action[1].type = + sa->action[1].type = RTE_FLOW_ACTION_TYPE_PASSTHRU; - sa->action[2].type = + sa->action[2].type = RTE_FLOW_ACTION_TYPE_END; - } + } flow_create: - sa->flow = rte_flow_create(sa->portid, + sa->flow = rte_flow_create(sa->portid, &sa->attr, sa->pattern, sa->action, &err); - if (sa->flow == NULL) { + if (sa->flow == NULL) { flow_create_failure: - RTE_LOG(ERR, IPSEC, - "Failed to create ipsec flow msg: %s\n", - err.message); - return -1; - } - } else if (sa->type == - RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL) { - struct rte_security_ctx *ctx = - (struct rte_security_ctx *) - rte_eth_dev_get_sec_ctx(sa->portid); - const struct rte_security_capability *sec_cap; - - if (ctx == NULL) { - RTE_LOG(ERR, IPSEC, - "Ethernet device doesn't have security features registered\n"); - return -1; - } - - /* Set IPsec parameters in conf */ - set_ipsec_conf(sa, &(sess_conf.ipsec)); + RTE_LOG(ERR, IPSEC, + "Failed to create ipsec flow msg: %s\n", + err.message); + return -1; + } + } else if (sa->type == RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL) { + const struct rte_security_capability *sec_cap; - /* Save SA as userdata for the security session. When - * the packet is received, this userdata will be - * retrieved using the metadata from the packet. - * - * The PMD is expected to set similar metadata for other - * operations, like rte_eth_event, which are tied to - * security session. In such cases, the userdata could - * be obtained to uniquely identify the security - * parameters denoted. - */ + sec_ctx = (struct rte_security_ctx *) + rte_eth_dev_get_sec_ctx(sa->portid); - sess_conf.userdata = (void *) sa; + if (sec_ctx == NULL) { + RTE_LOG(ERR, IPSEC, + "Ethernet device doesn't have security features registered\n"); + return -1; + } - sa->sec_session = rte_security_session_create(ctx, - &sess_conf, ipsec_ctx->session_pool); - if (sa->sec_session == NULL) { - RTE_LOG(ERR, IPSEC, + /* Set IPsec parameters in conf */ + set_ipsec_conf(sa, &(sess_conf.ipsec)); + + /* Save SA as userdata for the security session. When + * the packet is received, this userdata will be + * retrieved using the metadata from the packet. + * + * The PMD is expected to set similar metadata for other + * operations, like rte_eth_event, which are tied to + * security session. In such cases, the userdata could + * be obtained to uniquely identify the security + * parameters denoted. + */ + + sess_conf.userdata = (void *) sa; + + sa->sec_session = rte_security_session_create(sec_ctx, + &sess_conf, skt_ctx->session_pool); + if (sa->sec_session == NULL) { + RTE_LOG(ERR, IPSEC, "SEC Session init failed: err: %d\n", ret); - return -1; - } - - sec_cap = rte_security_capabilities_get(ctx); + return -1; + } - if (sec_cap == NULL) { - RTE_LOG(ERR, IPSEC, + sec_cap = rte_security_capabilities_get(sec_ctx); + if (sec_cap == NULL) { + RTE_LOG(ERR, IPSEC, "No capabilities registered\n"); - return -1; - } + return -1; + } - /* iterate until ESP tunnel*/ - while (sec_cap->action != - RTE_SECURITY_ACTION_TYPE_NONE) { - - if (sec_cap->action == sa->type && - sec_cap->protocol == - RTE_SECURITY_PROTOCOL_IPSEC && - sec_cap->ipsec.mode == - sess_conf.ipsec.mode && - sec_cap->ipsec.direction == sa->direction) - break; - sec_cap++; - } + /* iterate until ESP tunnel*/ + while (sec_cap->action != + RTE_SECURITY_ACTION_TYPE_NONE) { + if (sec_cap->action == sa->type && + sec_cap->protocol == + RTE_SECURITY_PROTOCOL_IPSEC && + sec_cap->ipsec.mode == + sess_conf.ipsec.mode && + sec_cap->ipsec.direction == sa->direction) + break; + sec_cap++; + } - if (sec_cap->action == RTE_SECURITY_ACTION_TYPE_NONE) { - RTE_LOG(ERR, IPSEC, + if (sec_cap->action == RTE_SECURITY_ACTION_TYPE_NONE) { + RTE_LOG(ERR, IPSEC, "No suitable security capability found\n"); - return -1; - } - - sa->ol_flags = sec_cap->ol_flags; - sa->security_ctx = ctx; + return -1; } - } else { - sa->crypto_session = rte_cryptodev_sym_session_create( - ipsec_ctx->session_pool); - rte_cryptodev_sym_session_init(ipsec_ctx->tbl[cdev_id_qp].id, - sa->crypto_session, sa->xforms, - ipsec_ctx->session_priv_pool); - rte_cryptodev_info_get(ipsec_ctx->tbl[cdev_id_qp].id, - &cdev_info); + sa->ol_flags = sec_cap->ol_flags; + sa->security_ctx = sec_ctx; } - sa->cdev_id_qp = cdev_id_qp; + sa->cdev_id_qp = 0; return 0; } @@ -397,7 +457,7 @@ ipsec_enqueue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx, rte_prefetch0(&priv->sym_cop); if ((unlikely(sa->sec_session == NULL)) && - create_session(ipsec_ctx, sa)) { + create_lookaside_session(ipsec_ctx, sa)) { rte_pktmbuf_free(pkts[i]); continue; } @@ -416,7 +476,7 @@ ipsec_enqueue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx, rte_prefetch0(&priv->sym_cop); if ((unlikely(sa->crypto_session == NULL)) && - create_session(ipsec_ctx, sa)) { + create_lookaside_session(ipsec_ctx, sa)) { rte_pktmbuf_free(pkts[i]); continue; } @@ -431,12 +491,7 @@ ipsec_enqueue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx, } break; case RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL: - if ((unlikely(sa->sec_session == NULL)) && - create_session(ipsec_ctx, sa)) { - rte_pktmbuf_free(pkts[i]); - continue; - } - + RTE_ASSERT(sa->sec_session != NULL); ipsec_ctx->ol_pkts[ipsec_ctx->ol_pkts_cnt++] = pkts[i]; if (sa->ol_flags & RTE_SECURITY_TX_OLOAD_NEED_MDATA) rte_security_set_pkt_metadata( @@ -444,17 +499,11 @@ ipsec_enqueue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx, sa->sec_session, pkts[i], NULL); continue; case RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO: + RTE_ASSERT(sa->sec_session != NULL); priv->cop.type = RTE_CRYPTO_OP_TYPE_SYMMETRIC; priv->cop.status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED; rte_prefetch0(&priv->sym_cop); - - if ((unlikely(sa->sec_session == NULL)) && - create_session(ipsec_ctx, sa)) { - rte_pktmbuf_free(pkts[i]); - continue; - } - rte_security_attach_session(&priv->cop, sa->sec_session); @@ -543,6 +592,12 @@ ipsec_dequeue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx, rte_pktmbuf_free(pkt); continue; } + } else if (sa->type == + RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL) { + if (cops[j]->status) { + rte_pktmbuf_free(pkt); + continue; + } } pkts[nb_pkts++] = pkt; }