From patchwork Mon Jan 26 03:43:23 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jijiang Liu X-Patchwork-Id: 2518 Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 1C9665AB1; Mon, 26 Jan 2015 04:43:54 +0100 (CET) Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by dpdk.org (Postfix) with ESMTP id AF7315AAA for ; Mon, 26 Jan 2015 04:43:42 +0100 (CET) Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga103.fm.intel.com with ESMTP; 25 Jan 2015 19:37:40 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.97,862,1389772800"; d="scan'208";a="445037567" Received: from shvmail01.sh.intel.com ([10.239.29.42]) by FMSMGA003.fm.intel.com with ESMTP; 25 Jan 2015 19:30:03 -0800 Received: from shecgisg004.sh.intel.com (shecgisg004.sh.intel.com [10.239.29.89]) by shvmail01.sh.intel.com with ESMTP id t0Q3hcbq026450; Mon, 26 Jan 2015 11:43:38 +0800 Received: from shecgisg004.sh.intel.com (localhost [127.0.0.1]) by shecgisg004.sh.intel.com (8.13.6/8.13.6/SuSE Linux 0.8) with ESMTP id t0Q3hZFU010969; Mon, 26 Jan 2015 11:43:37 +0800 Received: (from jijiangl@localhost) by shecgisg004.sh.intel.com (8.13.6/8.13.6/Submit) id t0Q3hZTL010965; Mon, 26 Jan 2015 11:43:35 +0800 From: Jijiang Liu To: dev@dpdk.org Date: Mon, 26 Jan 2015 11:43:23 +0800 Message-Id: <1422243805-10906-5-git-send-email-jijiang.liu@intel.com> X-Mailer: git-send-email 1.7.12.2 In-Reply-To: <1422243805-10906-1-git-send-email-jijiang.liu@intel.com> References: <1422243805-10906-1-git-send-email-jijiang.liu@intel.com> Subject: [dpdk-dev] [PATCH 4/6] mbuf:add a GRE TX tunnel ol_flag X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" This flag is used to tell the NIC the TX packet is a GRE tunneled packet. Signed-off-by: Jijiang Liu --- lib/librte_mbuf/rte_mbuf.h | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/lib/librte_mbuf/rte_mbuf.h b/lib/librte_mbuf/rte_mbuf.h index 16059c6..a672bd8 100644 --- a/lib/librte_mbuf/rte_mbuf.h +++ b/lib/librte_mbuf/rte_mbuf.h @@ -105,6 +105,12 @@ extern "C" { /* add new TX flags here */ /** + * TX packet is a GRE tunneled packet. It must be specified when using + * outer checksum offload (PKT_TX_OUTER_IP_CKSUM) + */ +#define PKT_TX_GRE_TUNNEL_PKT (1ULL << 48) + +/** * TCP segmentation offload. To enable this offload feature for a * packet to be transmitted on hardware supporting TSO: * - set the PKT_TX_TCP_SEG flag in mbuf->ol_flags (this flag implies