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GET /api/patches/102520/?format=api
{ "id": 102520, "url": "https://patches.dpdk.org/api/patches/102520/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/patch/20211021142540.43753-1-xuan.ding@intel.com/", "project": { "id": 1, "url": "https://patches.dpdk.org/api/projects/1/?format=api", "name": "DPDK", "link_name": "dpdk", "list_id": "dev.dpdk.org", "list_email": "dev@dpdk.org", "web_url": "http://core.dpdk.org", "scm_url": "git://dpdk.org/dpdk", "webscm_url": "http://git.dpdk.org/dpdk", "list_archive_url": "https://inbox.dpdk.org/dev", "list_archive_url_format": "https://inbox.dpdk.org/dev/{}", "commit_url_format": "" }, "msgid": "<20211021142540.43753-1-xuan.ding@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20211021142540.43753-1-xuan.ding@intel.com", "date": "2021-10-21T14:25:40", "name": "net/virtio: fix incorrect avail desc id", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": true, "hash": "1dde447775b306145e1bdf581ccf98bf3146a1b7", "submitter": { "id": 1401, "url": "https://patches.dpdk.org/api/people/1401/?format=api", "name": "Ding, Xuan", "email": "xuan.ding@intel.com" }, "delegate": { "id": 2642, "url": "https://patches.dpdk.org/api/users/2642/?format=api", "username": "mcoquelin", "first_name": "Maxime", "last_name": "Coquelin", "email": "maxime.coquelin@redhat.com" }, "mbox": "https://patches.dpdk.org/project/dpdk/patch/20211021142540.43753-1-xuan.ding@intel.com/mbox/", "series": [ { "id": 19864, "url": "https://patches.dpdk.org/api/series/19864/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=19864", "date": "2021-10-21T14:25:40", "name": "net/virtio: fix incorrect avail desc id", "version": 1, "mbox": "https://patches.dpdk.org/series/19864/mbox/" } ], "comments": "https://patches.dpdk.org/api/patches/102520/comments/", "check": "success", "checks": "https://patches.dpdk.org/api/patches/102520/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@inbox.dpdk.org", "Delivered-To": "patchwork@inbox.dpdk.org", "Received": [ "from mails.dpdk.org (mails.dpdk.org [217.70.189.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id C0119A0C4B;\n\tThu, 21 Oct 2021 07:54:11 +0200 (CEST)", "from [217.70.189.124] (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id 8C419410E2;\n\tThu, 21 Oct 2021 07:54:11 +0200 (CEST)", "from mga06.intel.com (mga06.intel.com [134.134.136.31])\n by mails.dpdk.org (Postfix) with ESMTP id 3243A40142;\n Thu, 21 Oct 2021 07:54:10 +0200 (CEST)", "from orsmga007.jf.intel.com ([10.7.209.58])\n by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 20 Oct 2021 22:54:09 -0700", "from npg-dpdk-xuan-cbdma.sh.intel.com ([10.67.110.228])\n by orsmga007.jf.intel.com with ESMTP; 20 Oct 2021 22:54:06 -0700" ], "X-IronPort-AV": [ "E=McAfee;i=\"6200,9189,10143\"; a=\"289794401\"", "E=Sophos;i=\"5.87,168,1631602800\"; d=\"scan'208\";a=\"289794401\"", "E=Sophos;i=\"5.87,168,1631602800\"; d=\"scan'208\";a=\"484063170\"" ], "X-ExtLoop1": "1", "From": "xuan.ding@intel.com", "To": "dev@dpdk.org,\n\tmaxime.coquelin@redhat.com,\n\tchenbo.xia@intel.com", "Cc": "Xuan Ding <xuan.ding@intel.com>, stable@dpdk.org,\n Yong Liu <yong.liu@intel.com>, Miao Li <miao.li@intel.com>", "Date": "Thu, 21 Oct 2021 14:25:40 +0000", "Message-Id": "<20211021142540.43753-1-xuan.ding@intel.com>", "X-Mailer": "git-send-email 2.17.1", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=UTF-8", "Content-Transfer-Encoding": "8bit", "Subject": "[dpdk-dev] [PATCH] net/virtio: fix incorrect avail desc id", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n <mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://mails.dpdk.org/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n <mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "From: Xuan Ding <xuan.ding@intel.com>\n\nVhost will update desc’s Buffer ID advance to next used descriptor when\nVIRTIO_F_IN_ORDER feature negotiated. When virtio reuses the descriptor,\nthe Buffer ID should be restored even VIRTQ_DESC_F_INDIRECT\nfeature negotiated.\n\nFixes: b473061b0e1d (\"net/virtio: fix indirect descriptors in packed datapaths\")\nCc: stable@dpdk.org\n\nSigned-off-by: Xuan Ding <xuan.ding@intel.com>\nSigned-off-by: Yong Liu <yong.liu@intel.com>\nSigned-off-by: Miao Li <miao.li@intel.com>\n---\n drivers/net/virtio/virtqueue.h | 3 +++\n 1 file changed, 3 insertions(+)", "diff": "diff --git a/drivers/net/virtio/virtqueue.h b/drivers/net/virtio/virtqueue.h\nindex d0c48ca415..5259a6f814 100644\n--- a/drivers/net/virtio/virtqueue.h\n+++ b/drivers/net/virtio/virtqueue.h\n@@ -709,6 +709,9 @@ virtqueue_enqueue_xmit_packed(struct virtnet_tx *txvq, struct rte_mbuf *cookie,\n \t\t\tRTE_PTR_DIFF(&txr[idx].tx_packed_indir, txr);\n \t\tstart_dp[idx].len = (seg_num + 1) *\n \t\t\tsizeof(struct vring_packed_desc);\n+\t\t/* Packed descriptor id needs to be restored when inorder. */\n+\t\tif (in_order)\n+\t\t\tstart_dp[idx].id = idx;\n \t\t/* reset flags for indirect desc */\n \t\thead_flags = VRING_DESC_F_INDIRECT;\n \t\thead_flags |= vq->vq_packed.cached_flags;\n", "prefixes": [] }