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{
    "id": 35130,
    "url": "http://patches.dpdk.org/api/patches/35130/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/patch/20180212131636.25858-1-olivier.matz@6wind.com/",
    "project": {
        "id": 1,
        "url": "http://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": "<20180212131636.25858-1-olivier.matz@6wind.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/20180212131636.25858-1-olivier.matz@6wind.com",
    "date": "2018-02-12T13:16:36",
    "name": "[dpdk-dev] net/virtio: fix mbuf data offset for simple Rx function",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "0d07088ac2157a74fac5fde5f50453f21a604b4d",
    "submitter": {
        "id": 8,
        "url": "http://patches.dpdk.org/api/people/8/?format=api",
        "name": "Olivier Matz",
        "email": "olivier.matz@6wind.com"
    },
    "delegate": null,
    "mbox": "http://patches.dpdk.org/project/dpdk/patch/20180212131636.25858-1-olivier.matz@6wind.com/mbox/",
    "series": [],
    "comments": "http://patches.dpdk.org/api/patches/35130/comments/",
    "check": "success",
    "checks": "http://patches.dpdk.org/api/patches/35130/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<dev-bounces@dpdk.org>",
        "X-Original-To": "patchwork@dpdk.org",
        "Delivered-To": "patchwork@dpdk.org",
        "Received": [
            "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id 949A11B342;\n\tMon, 12 Feb 2018 14:17:11 +0100 (CET)",
            "from proxy.6wind.com (host.76.145.23.62.rev.coltfrance.com\n\t[62.23.145.76]) by dpdk.org (Postfix) with ESMTP id AA0191B295;\n\tMon, 12 Feb 2018 14:17:09 +0100 (CET)",
            "from glumotte.dev.6wind.com. (unknown [10.16.0.195])\n\tby proxy.6wind.com (Postfix) with ESMTP id 3914D131219;\n\tMon, 12 Feb 2018 14:14:24 +0100 (CET)"
        ],
        "From": "Olivier Matz <olivier.matz@6wind.com>",
        "To": "dev@dpdk.org",
        "Cc": "Yuanhan Liu <yliu@fridaylinux.org>,\n\tMaxime Coquelin <maxime.coquelin@redhat.com>,\n\tTiwei Bie <tiwei.bie@intel.com>, stable@dpdk.org",
        "Date": "Mon, 12 Feb 2018 14:16:36 +0100",
        "Message-Id": "<20180212131636.25858-1-olivier.matz@6wind.com>",
        "X-Mailer": "git-send-email 2.11.0",
        "Subject": "[dpdk-dev] [PATCH] net/virtio: fix mbuf data offset for simple Rx\n\tfunction",
        "X-BeenThere": "dev@dpdk.org",
        "X-Mailman-Version": "2.1.15",
        "Precedence": "list",
        "List-Id": "DPDK patches and discussions <dev.dpdk.org>",
        "List-Unsubscribe": "<https://dpdk.org/ml/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>",
        "List-Archive": "<http://dpdk.org/ml/archives/dev/>",
        "List-Post": "<mailto:dev@dpdk.org>",
        "List-Help": "<mailto:dev-request@dpdk.org?subject=help>",
        "List-Subscribe": "<https://dpdk.org/ml/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>",
        "Errors-To": "dev-bounces@dpdk.org",
        "Sender": "\"dev\" <dev-bounces@dpdk.org>"
    },
    "content": "The mbuf->data_off was was not properly set for the first received\nmbufs. Fix this by setting it in virtqueue_enqueue_recv_refill_simple(),\nwhich is used to enqueue the first mbuf in the ring.\n\nThe function virtio_rxq_rearm_vec(), which is used to rearm the ring\nwith new mbufs, is valid and does not need to be updated.\n\nFixes: cab0461234e7 (\"virtio: fill Rx avail ring with blank mbufs\")\nCc: stable@dpdk.org\n\nSigned-off-by: Olivier Matz <olivier.matz@6wind.com>\n---\n drivers/net/virtio/virtio_rxtx_simple.c | 1 +\n 1 file changed, 1 insertion(+)",
    "diff": "diff --git a/drivers/net/virtio/virtio_rxtx_simple.c b/drivers/net/virtio/virtio_rxtx_simple.c\nindex 7247a0822..b1f610ffa 100644\n--- a/drivers/net/virtio/virtio_rxtx_simple.c\n+++ b/drivers/net/virtio/virtio_rxtx_simple.c\n@@ -36,6 +36,7 @@ virtqueue_enqueue_recv_refill_simple(struct virtqueue *vq,\n \tuint16_t desc_idx;\n \n \tcookie->port = vq->rxq.port_id;\n+\tcookie->data_off = RTE_PKTMBUF_HEADROOM;\n \n \tdesc_idx = vq->vq_avail_idx & (vq->vq_nentries - 1);\n \tdxp = &vq->vq_descx[desc_idx];\n",
    "prefixes": [
        "dpdk-dev"
    ]
}