From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id D89CBA0C43; Mon, 18 Oct 2021 17:12:40 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 9A80F40142; Mon, 18 Oct 2021 17:12:40 +0200 (CEST) Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by mails.dpdk.org (Postfix) with ESMTP id 6410A40141 for ; Mon, 18 Oct 2021 17:12:38 +0200 (CEST) X-IronPort-AV: E=McAfee;i="6200,9189,10141"; a="289121052" X-IronPort-AV: E=Sophos;i="5.85,382,1624345200"; d="scan'208";a="289121052" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Oct 2021 08:11:11 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.85,382,1624345200"; d="scan'208";a="493618855" Received: from silpixa00400884.ir.intel.com ([10.243.22.82]) by orsmga008.jf.intel.com with ESMTP; 18 Oct 2021 08:11:09 -0700 From: Radu Nicolau To: Radu Nicolau , Akhil Goyal Cc: dev@dpdk.org, anoobj@marvell.com, konstantin.ananyev@intel.com, Declan Doherty Date: Mon, 18 Oct 2021 15:58:24 +0100 Message-Id: <20211018145824.1211074-3-radu.nicolau@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211018145824.1211074-1-radu.nicolau@intel.com> References: <20211018145824.1211074-1-radu.nicolau@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [dpdk-dev] [PATCH 2/2] examples/ipsec-secgw: add support for TSO X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Add support to allow user to specific MSS for TSO offload on a per SA basis. MSS configuration in the context of IPsec is only supported for outbound SA's in the context of an inline IPsec Crypto offload. Signed-off-by: Declan Doherty Signed-off-by: Radu Nicolau --- doc/guides/rel_notes/release_21_11.rst | 4 ++++ doc/guides/sample_app_ug/ipsec_secgw.rst | 11 +++++++++++ examples/ipsec-secgw/ipsec-secgw.c | 4 ++++ examples/ipsec-secgw/ipsec.h | 1 + examples/ipsec-secgw/ipsec_process.c | 22 ++++++++++++++++++++++ examples/ipsec-secgw/sa.c | 10 ++++++++++ 6 files changed, 52 insertions(+) diff --git a/doc/guides/rel_notes/release_21_11.rst b/doc/guides/rel_notes/release_21_11.rst index 955b0bd68f..c2563c6f63 100644 --- a/doc/guides/rel_notes/release_21_11.rst +++ b/doc/guides/rel_notes/release_21_11.rst @@ -203,6 +203,10 @@ New Features * Added support for setting a non default starting ESN value. * Added support TSO offload support; only supported for inline crypto mode. +* **IPsec Security Gateway sample application new features.** + + * Added support for TSO + Removed Items ------------- diff --git a/doc/guides/sample_app_ug/ipsec_secgw.rst b/doc/guides/sample_app_ug/ipsec_secgw.rst index 6510456e31..2ff928e4dc 100644 --- a/doc/guides/sample_app_ug/ipsec_secgw.rst +++ b/doc/guides/sample_app_ug/ipsec_secgw.rst @@ -748,6 +748,17 @@ where each options means: * *esn N* N is the initial ESN value + ```` + + * Maximum segment size for TSO offload, available for egress SAs only. + + * Optional: Yes, TSO offload not set by default + + * Syntax: + + * *mss N* N is the segment size in bytes + + Example SA rules: .. code-block:: console diff --git a/examples/ipsec-secgw/ipsec-secgw.c b/examples/ipsec-secgw/ipsec-secgw.c index 47c33661df..6aaaaa3a14 100644 --- a/examples/ipsec-secgw/ipsec-secgw.c +++ b/examples/ipsec-secgw/ipsec-secgw.c @@ -400,6 +400,10 @@ prepare_one_packet(struct rte_mbuf *pkt, struct ipsec_traffic *t) pkt->l2_len = 0; pkt->l3_len = sizeof(*iph4); pkt->packet_type |= RTE_PTYPE_L3_IPV4; + if (pkt->packet_type & RTE_PTYPE_L4_TCP) + pkt->l4_len = sizeof(struct rte_tcp_hdr); + else if (pkt->packet_type & RTE_PTYPE_L4_UDP) + pkt->l4_len = sizeof(struct rte_udp_hdr); } else if (eth->ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV6)) { int next_proto; size_t l3len, ext_len; diff --git a/examples/ipsec-secgw/ipsec.h b/examples/ipsec-secgw/ipsec.h index 0dfb0d6acb..02855ce774 100644 --- a/examples/ipsec-secgw/ipsec.h +++ b/examples/ipsec-secgw/ipsec.h @@ -142,6 +142,7 @@ struct ipsec_sa { enum rte_security_ipsec_sa_direction direction; uint8_t udp_encap; uint16_t portid; + uint16_t mss; uint64_t esn; uint8_t fdir_qid; uint8_t fdir_flag; diff --git a/examples/ipsec-secgw/ipsec_process.c b/examples/ipsec-secgw/ipsec_process.c index 5012e1a6a4..333e3f1e74 100644 --- a/examples/ipsec-secgw/ipsec_process.c +++ b/examples/ipsec-secgw/ipsec_process.c @@ -222,6 +222,28 @@ prep_process_group(void *sa, struct rte_mbuf *mb[], uint32_t cnt) for (j = 0; j != cnt; j++) { priv = get_priv(mb[j]); priv->sa = sa; + /* setup TSO related fields if TSO enabled*/ + if (priv->sa->mss) { + mb[j]->tso_segsz = priv->sa->mss; + + if ((IS_TUNNEL(priv->sa->flags))) { + mb[j]->outer_l3_len = mb[j]->l3_len; + mb[j]->outer_l2_len = mb[j]->l2_len; + mb[j]->ol_flags |= + (PKT_TX_OUTER_IP_CKSUM | PKT_TX_TUNNEL_ESP); + } + uint32_t ptype = mb[j]->packet_type; + if (ptype & RTE_PTYPE_L4_TCP) + mb[j]->ol_flags |= + (PKT_TX_TCP_SEG | PKT_TX_TCP_CKSUM); + else + mb[j]->ol_flags |= + (PKT_TX_UDP_SEG | PKT_TX_UDP_CKSUM); + if (RTE_ETH_IS_IPV4_HDR(ptype)) + mb[j]->ol_flags |= PKT_TX_OUTER_IPV4; + else + mb[j]->ol_flags |= PKT_TX_OUTER_IPV6; + } } } diff --git a/examples/ipsec-secgw/sa.c b/examples/ipsec-secgw/sa.c index de06f24d01..3690e0a7eb 100644 --- a/examples/ipsec-secgw/sa.c +++ b/examples/ipsec-secgw/sa.c @@ -778,6 +778,16 @@ parse_sa_tokens(char **tokens, uint32_t n_tokens, continue; } + if (strcmp(tokens[ti], "mss") == 0) { + INCREMENT_TOKEN_INDEX(ti, n_tokens, status); + if (status->status < 0) + return; + rule->mss = atoi(tokens[ti]); + if (status->status < 0) + return; + continue; + } + if (strcmp(tokens[ti], "fallback") == 0) { struct rte_ipsec_session *fb; -- 2.25.1