From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from NAM02-BL2-obe.outbound.protection.outlook.com (mail-bl2nam02on0070.outbound.protection.outlook.com [104.47.38.70]) by dpdk.org (Postfix) with ESMTP id 64B47292D for ; Wed, 22 Nov 2017 07:56:17 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=CAVIUMNETWORKS.onmicrosoft.com; s=selector1-cavium-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version; bh=F9BZ4Aq4SF7pAvy1I123YEYWuP7pE07sP/vJWy0SBBs=; b=n/cbS4rC7kewxz8dx/gc28b90l6fNE4UH3to6sCoej4XgY0K6v5hpoDFyFHe1C2cML+66VbRTgzYbUdCr13h8fu0BgJxo+xbY79VgZsMYncbDe8hrcvyfE5GUV5ZFLz3+chEkSO0u9NajhWQLOJVYmRfA56MlVTgjVNWtIR/fBk= Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=Anoob.Joseph@cavium.com; Received: from ajoseph83.caveonetworks.com (14.140.2.178) by MWHPR0701MB3643.namprd07.prod.outlook.com (2603:10b6:301:7d::36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P256) id 15.20.239.5; Wed, 22 Nov 2017 06:56:12 +0000 From: Anoob Joseph To: Akhil Goyal , Declan Doherty , Radu Nicolau , Sergio Gonzalez Monroy Cc: Jerin Jacob , Narayana Prasad , dev@dpdk.org Date: Wed, 22 Nov 2017 06:55:16 +0000 Message-Id: <1511333716-11955-3-git-send-email-anoob.joseph@caviumnetworks.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1511333716-11955-1-git-send-email-anoob.joseph@caviumnetworks.com> References: <1511173905-22117-1-git-send-email-anoob.joseph@caviumnetworks.com> <1511333716-11955-1-git-send-email-anoob.joseph@caviumnetworks.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [14.140.2.178] X-ClientProxiedBy: DM5PR20CA0018.namprd20.prod.outlook.com (2603:10b6:3:93::28) To MWHPR0701MB3643.namprd07.prod.outlook.com (2603:10b6:301:7d::36) X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 9689a68b-8d43-45de-3340-08d531761fd3 X-Microsoft-Antispam: UriScan:; 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Application will do a selector check (SP-SA check) by making use of the metadata from the packet. In egress side, the plain packet would be submitted to the driver. The packet will have optional metadata, which could be used to identify the security session associated with the packet. Signed-off-by: Anoob Joseph --- v2: * Using get_pkt_metadata API instead of get_session & get_cookie APIs examples/ipsec-secgw/esp.c | 6 +- examples/ipsec-secgw/ipsec-secgw.c | 41 ++++++++++++- examples/ipsec-secgw/ipsec.c | 121 +++++++++++++++++++++++++++++++------ 3 files changed, 146 insertions(+), 22 deletions(-) diff --git a/examples/ipsec-secgw/esp.c b/examples/ipsec-secgw/esp.c index c3efe52..561f873 100644 --- a/examples/ipsec-secgw/esp.c +++ b/examples/ipsec-secgw/esp.c @@ -178,7 +178,8 @@ esp_inbound_post(struct rte_mbuf *m, struct ipsec_sa *sa, RTE_ASSERT(sa != NULL); RTE_ASSERT(cop != NULL); - if (sa->type == RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO) { + if ((sa->type == RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL) || + (sa->type == RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO)) { if (m->ol_flags & PKT_RX_SEC_OFFLOAD) { if (m->ol_flags & PKT_RX_SEC_OFFLOAD_FAILED) cop->status = RTE_CRYPTO_OP_STATUS_ERROR; @@ -474,7 +475,8 @@ esp_outbound_post(struct rte_mbuf *m, RTE_ASSERT(m != NULL); RTE_ASSERT(sa != NULL); - if (sa->type == RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO) { + if ((sa->type == RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL) || + (sa->type == RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO)) { m->ol_flags |= PKT_TX_SEC_OFFLOAD; } else { RTE_ASSERT(cop != NULL); diff --git a/examples/ipsec-secgw/ipsec-secgw.c b/examples/ipsec-secgw/ipsec-secgw.c index c98454a..4578bf5 100644 --- a/examples/ipsec-secgw/ipsec-secgw.c +++ b/examples/ipsec-secgw/ipsec-secgw.c @@ -265,6 +265,39 @@ prepare_one_packet(struct rte_mbuf *pkt, struct ipsec_traffic *t) RTE_LOG(ERR, IPSEC, "Unsupported packet type\n"); rte_pktmbuf_free(pkt); } + + /* Check if the packet has been processed inline. For inline protocol + * processed packets, metadata from the packet need to be obtained. + * This metadata will be registered by application when it is + * created and will be used to determine the SA associated. + */ + + if (pkt->ol_flags & PKT_RX_SEC_OFFLOAD) { + uint64_t mdata; + struct ipsec_sa *in_sa; + struct ipsec_mbuf_metadata *priv; + struct rte_security_ctx *ctx = (struct rte_security_ctx *) + rte_eth_dev_get_sec_ctx( + pkt->port); + + /* Get the application registered metadata from the packet */ + mdata = rte_security_get_pkt_metadata(ctx, pkt); + + if (mdata == 0) { + /* Metadata could not be retrieved */ + return; + } + + /* The SA was saved as metadata when the session was + * created. Save this as private data in mbuf. This will + * be used in the IPsec selector(SP-SA) check. + */ + + in_sa = (struct ipsec_sa *)mdata; + + priv = get_priv(pkt); + priv->sa = in_sa; + } } static inline void @@ -401,11 +434,17 @@ inbound_sp_sa(struct sp_ctx *sp, struct sa_ctx *sa, struct traffic_type *ip, ip->pkts[j++] = m; continue; } - if (res & DISCARD || i < lim) { + if (res & DISCARD) { rte_pktmbuf_free(m); continue; } + /* Only check SPI match for processed IPSec packets */ + if (i < lim && ((m->ol_flags & PKT_RX_SEC_OFFLOAD) == 0)) { + rte_pktmbuf_free(m); + continue; + } + sa_idx = ip->res[i] & PROTECT_MASK; if (sa_idx == 0 || !inbound_sa_check(sa, m, sa_idx)) { rte_pktmbuf_free(m); diff --git a/examples/ipsec-secgw/ipsec.c b/examples/ipsec-secgw/ipsec.c index 70ed227..ec8bf95 100644 --- a/examples/ipsec-secgw/ipsec.c +++ b/examples/ipsec-secgw/ipsec.c @@ -46,6 +46,27 @@ #include "ipsec.h" #include "esp.h" +static inline void +set_ipsec_conf(struct ipsec_sa *sa, struct rte_security_ipsec_xform *ipsec) +{ + if (ipsec->mode == RTE_SECURITY_IPSEC_SA_MODE_TUNNEL) { + struct rte_security_ipsec_tunnel_param *tunnel = + &ipsec->tunnel; + if (sa->flags == IP4_TUNNEL) { + tunnel->type = + RTE_SECURITY_IPSEC_TUNNEL_IPV4; + tunnel->ipv4.ttl = IPDEFTTL; + + memcpy((uint8_t *)&tunnel->ipv4.src_ip, + (uint8_t *)&sa->src.ip.ip4, 4); + + memcpy((uint8_t *)&tunnel->ipv4.dst_ip, + (uint8_t *)&sa->dst.ip.ip4, 4); + } + /* TODO support for Transport and IPV6 tunnel */ + } +} + static inline int create_session(struct ipsec_ctx *ipsec_ctx, struct ipsec_sa *sa) { @@ -95,7 +116,8 @@ create_session(struct ipsec_ctx *ipsec_ctx, struct ipsec_sa *sa) RTE_SECURITY_IPSEC_SA_MODE_TUNNEL : RTE_SECURITY_IPSEC_SA_MODE_TRANSPORT, } }, - .crypto_xform = sa->xforms + .crypto_xform = sa->xforms, + .metadata = 0, }; @@ -104,23 +126,8 @@ create_session(struct ipsec_ctx *ipsec_ctx, struct ipsec_sa *sa) rte_cryptodev_get_sec_ctx( ipsec_ctx->tbl[cdev_id_qp].id); - if (sess_conf.ipsec.mode == - RTE_SECURITY_IPSEC_SA_MODE_TUNNEL) { - struct rte_security_ipsec_tunnel_param *tunnel = - &sess_conf.ipsec.tunnel; - if (sa->flags == IP4_TUNNEL) { - tunnel->type = - RTE_SECURITY_IPSEC_TUNNEL_IPV4; - tunnel->ipv4.ttl = IPDEFTTL; - - memcpy((uint8_t *)&tunnel->ipv4.src_ip, - (uint8_t *)&sa->src.ip.ip4, 4); - - memcpy((uint8_t *)&tunnel->ipv4.dst_ip, - (uint8_t *)&sa->dst.ip.ip4, 4); - } - /* TODO support for Transport and IPV6 tunnel */ - } + /* Set IPsec parameters in conf */ + set_ipsec_conf(sa, &(sess_conf.ipsec)); sa->sec_session = rte_security_session_create(ctx, &sess_conf, ipsec_ctx->session_pool); @@ -206,6 +213,70 @@ create_session(struct ipsec_ctx *ipsec_ctx, struct ipsec_sa *sa) 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)); + + /* Save SA as metadata for the security session. When + * the packet is received, this metadata (security + * session metadata) will be retrieved from the packet. + * + * This is required only for inbound SAs. + */ + + if (sa->direction == RTE_SECURITY_IPSEC_SA_DIR_INGRESS) + sess_conf.metadata = (uint64_t) sa; + + sa->sec_session = rte_security_session_create(ctx, + &sess_conf, ipsec_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); + + if (sec_cap == NULL) { + RTE_LOG(ERR, IPSEC, + "No capabilities registered\n"); + 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 == + RTE_SECURITY_IPSEC_SA_MODE_TUNNEL && + sec_cap->ipsec.direction == sa->direction) + break; + sec_cap++; + } + + 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; } } else { sa->crypto_session = rte_cryptodev_sym_session_create( @@ -323,7 +394,19 @@ ipsec_enqueue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx, } break; case RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL: - break; + if ((unlikely(sa->sec_session == NULL)) && + create_session(ipsec_ctx, sa)) { + rte_pktmbuf_free(pkts[i]); + continue; + } + + cqp = &ipsec_ctx->tbl[sa->cdev_id_qp]; + cqp->ol_pkts[cqp->ol_pkts_cnt++] = pkts[i]; + if (sa->ol_flags & RTE_SECURITY_TX_OLOAD_NEED_MDATA) + rte_security_set_pkt_metadata( + sa->security_ctx, + sa->sec_session, pkts[i], NULL); + continue; case RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO: priv->cop.type = RTE_CRYPTO_OP_TYPE_SYMMETRIC; priv->cop.status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED; -- 2.7.4