From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 75D80A0527; Wed, 25 Nov 2020 10:35:42 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 94CA9C964; Wed, 25 Nov 2020 10:35:13 +0100 (CET) Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by dpdk.org (Postfix) with ESMTP id 44AB9C960 for ; Wed, 25 Nov 2020 10:35:11 +0100 (CET) IronPort-SDR: 1S91PnXmG2NuOfBbwMnvULSphD6TG34GMI2ON1Iaist3tLqKICdxNuGfOA1yAPCcdPgv/BWsHv rVrUWAO3KIag== X-IronPort-AV: E=McAfee;i="6000,8403,9815"; a="159143655" X-IronPort-AV: E=Sophos;i="5.78,368,1599548400"; d="scan'208";a="159143655" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Nov 2020 01:35:10 -0800 IronPort-SDR: qbDv46VuG+iXQdheXszvIoToMbImFIISRE0x04akqfThQbSnipWyY5USjA2iUGLIWSGbzdOTZw 75S/ZTydBgpA== X-IronPort-AV: E=Sophos;i="5.78,368,1599548400"; d="scan'208";a="478851021" Received: from unknown (HELO intel-npg-odc-srv02.cd.intel.com) ([10.240.178.186]) by orsmga004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Nov 2020 01:35:08 -0800 From: Murphy Yang To: dev@dpdk.org Cc: qiming.yang@intel.com, stevex.yang@intel.com, beilei.xing@intel.com, jia.guo@intel.com, wenzhuo.lu@intel.com, Murphy Yang Date: Wed, 25 Nov 2020 09:32:14 +0000 Message-Id: <20201125093214.14504-3-murphyx.yang@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201125093214.14504-1-murphyx.yang@intel.com> References: <20201125093214.14504-1-murphyx.yang@intel.com> Subject: [dpdk-dev] [PATCH 2/2] app/testpmd: support GTP-U extension packet checksum offload X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 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" To enable Tx side offload on GTP-U packets that contain extension header, testpmd should set 'info->l2_len' correctly, this value should contain UDP header length, GTP-U header length and GTP-U extension header length. Signed-off-by: Murphy Yang --- app/test-pmd/csumonly.c | 26 +++++++++++++++++++++++--- 1 file changed, 23 insertions(+), 3 deletions(-) diff --git a/app/test-pmd/csumonly.c b/app/test-pmd/csumonly.c index d813d4fae0..1faeacd809 100644 --- a/app/test-pmd/csumonly.c +++ b/app/test-pmd/csumonly.c @@ -218,14 +218,32 @@ parse_gtp(struct rte_udp_hdr *udp_hdr, gtp_hdr = (struct rte_gtp_hdr *)((char *)udp_hdr + sizeof(struct rte_udp_hdr)); + /* Calculate the gtp_len*/ + if (gtp_hdr->gtp_hdr_info & 0x7) + gtp_len = gtp_len + 4; + + if (gtp_hdr->gtp_hdr_info & 0x4) { + /*Assuming one extension gtp header*/ + uint16_t gtp_extension_len = 0; + uint8_t *gtp_extension_hdr = NULL; + uint8_t gtp_NEHT = 0; + do { + gtp_extension_hdr = (uint8_t *)((uint8_t *)gtp_hdr + + gtp_len); + gtp_extension_len = *gtp_extension_hdr * 4; + gtp_len = gtp_len + gtp_extension_len; + gtp_NEHT = *(gtp_extension_hdr + + gtp_extension_len - 1); + } while (gtp_NEHT); + } + /* * Check message type. If message type is 0xff, it is * a GTP data packet. If not, it is a GTP control packet */ if (gtp_hdr->msg_type == 0xff) { ip_ver = *(uint8_t *)((char *)udp_hdr + - sizeof(struct rte_udp_hdr) + - sizeof(struct rte_gtp_hdr)); + sizeof(struct rte_udp_hdr) + gtp_len); ip_ver = (ip_ver) & 0xf0; if (ip_ver == RTE_GTP_TYPE_IPV4) { @@ -233,20 +251,22 @@ parse_gtp(struct rte_udp_hdr *udp_hdr, gtp_len); info->ethertype = _htons(RTE_ETHER_TYPE_IPV4); parse_ipv4(ipv4_hdr, info); + info->l2_len = (uint8_t *)ipv4_hdr - (uint8_t *)udp_hdr; } else if (ip_ver == RTE_GTP_TYPE_IPV6) { ipv6_hdr = (struct rte_ipv6_hdr *)((char *)gtp_hdr + gtp_len); info->ethertype = _htons(RTE_ETHER_TYPE_IPV6); parse_ipv6(ipv6_hdr, info); + info->l2_len = (uint8_t *)ipv6_hdr - (uint8_t *)udp_hdr; } } else { info->ethertype = 0; info->l4_len = 0; info->l3_len = 0; info->l4_proto = 0; + info->l2_len += RTE_ETHER_GTP_HLEN; } - info->l2_len += RTE_ETHER_GTP_HLEN; } /* Parse a vxlan header */ -- 2.17.1