From patchwork Mon Aug 31 09:41:43 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jijiang Liu X-Patchwork-Id: 6832 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 7B420919B; Mon, 31 Aug 2015 11:42:07 +0200 (CEST) Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by dpdk.org (Postfix) with ESMTP id 69E1D8E95 for ; Mon, 31 Aug 2015 11:42:06 +0200 (CEST) Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga101.jf.intel.com with ESMTP; 31 Aug 2015 02:42:06 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.17,439,1437462000"; d="scan'208";a="794479183" Received: from shvmail01.sh.intel.com ([10.239.29.42]) by orsmga002.jf.intel.com with ESMTP; 31 Aug 2015 02:42:05 -0700 Received: from shecgisg004.sh.intel.com (shecgisg004.sh.intel.com [10.239.29.89]) by shvmail01.sh.intel.com with ESMTP id t7V9g3J9007084; Mon, 31 Aug 2015 17:42:03 +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 t7V9g1We003189; Mon, 31 Aug 2015 17:42:03 +0800 Received: (from jijiangl@localhost) by shecgisg004.sh.intel.com (8.13.6/8.13.6/Submit) id t7V9g1j4003185; Mon, 31 Aug 2015 17:42:01 +0800 From: Jijiang Liu To: dev@dpdk.org Date: Mon, 31 Aug 2015 17:41:43 +0800 Message-Id: <1441014108-3125-4-git-send-email-jijiang.liu@intel.com> X-Mailer: git-send-email 1.7.12.2 In-Reply-To: <1441014108-3125-1-git-send-email-jijiang.liu@intel.com> References: <1441014108-3125-1-git-send-email-jijiang.liu@intel.com> Subject: [dpdk-dev] [RFC PATCH 3/8] driver/virtio: record virtual address of virtio net header 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" Record virtual address of virtio net header. Signed-off-by: Jijiang Liu --- drivers/net/virtio/virtio_ethdev.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c index 465d3cd..cb5dfee 100644 --- a/drivers/net/virtio/virtio_ethdev.c +++ b/drivers/net/virtio/virtio_ethdev.c @@ -376,6 +376,9 @@ int virtio_dev_queue_setup(struct rte_eth_dev *dev, } vq->virtio_net_hdr_mem = vq->virtio_net_hdr_mz->phys_addr; + vq->virtio_net_hdr_addr = + (uint64_t)(uintptr_t)vq->virtio_net_hdr_mz->addr; + memset(vq->virtio_net_hdr_mz->addr, 0, vq_size * hw->vtnet_hdr_size); } else if (queue_type == VTNET_CQ) {