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GET /api/patches/52418/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 52418,
    "url": "http://patches.dpdk.org/api/patches/52418/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/patch/1554745507-15089-14-git-send-email-g.singh@nxp.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",
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        "list_archive_url_format": "https://inbox.dpdk.org/dev/{}",
        "commit_url_format": ""
    },
    "msgid": "<1554745507-15089-14-git-send-email-g.singh@nxp.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/1554745507-15089-14-git-send-email-g.singh@nxp.com",
    "date": "2019-04-08T11:22:49",
    "name": "[13/13] net/enetc: fix crash at high speed traffic",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "0f98b24ca3d02c1a3d7163d4a392bb89ce228ea5",
    "submitter": {
        "id": 1068,
        "url": "http://patches.dpdk.org/api/people/1068/?format=api",
        "name": "Gagandeep Singh",
        "email": "g.singh@nxp.com"
    },
    "delegate": {
        "id": 319,
        "url": "http://patches.dpdk.org/api/users/319/?format=api",
        "username": "fyigit",
        "first_name": "Ferruh",
        "last_name": "Yigit",
        "email": "ferruh.yigit@amd.com"
    },
    "mbox": "http://patches.dpdk.org/project/dpdk/patch/1554745507-15089-14-git-send-email-g.singh@nxp.com/mbox/",
    "series": [
        {
            "id": 4173,
            "url": "http://patches.dpdk.org/api/series/4173/?format=api",
            "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=4173",
            "date": "2019-04-08T11:22:28",
            "name": "ENETC PMD basic features and bug fixes",
            "version": 1,
            "mbox": "http://patches.dpdk.org/series/4173/mbox/"
        }
    ],
    "comments": "http://patches.dpdk.org/api/patches/52418/comments/",
    "check": "success",
    "checks": "http://patches.dpdk.org/api/patches/52418/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<dev-bounces@dpdk.org>",
        "X-Original-To": "patchwork@dpdk.org",
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        "Received": [
            "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id CBD715F2C;\n\tMon,  8 Apr 2019 13:23:16 +0200 (CEST)",
            "from EUR03-VE1-obe.outbound.protection.outlook.com\n\t(mail-eopbgr50074.outbound.protection.outlook.com [40.107.5.74])\n\tby dpdk.org (Postfix) with ESMTP id 33A5F532C\n\tfor <dev@dpdk.org>; Mon,  8 Apr 2019 13:22:50 +0200 (CEST)",
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        ],
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        "From": "Gagandeep Singh <G.Singh@nxp.com>",
        "To": "\"dev@dpdk.org\" <dev@dpdk.org>, \"ferruh.yigit@intel.com\"\n\t<ferruh.yigit@intel.com>",
        "CC": "Gagandeep Singh <G.Singh@nxp.com>",
        "Thread-Topic": "[PATCH 13/13] net/enetc: fix crash at high speed traffic",
        "Thread-Index": "AQHU7f1lJadiaNqwv0+akGI9uRYTmg==",
        "Date": "Mon, 8 Apr 2019 11:22:49 +0000",
        "Message-ID": "<1554745507-15089-14-git-send-email-g.singh@nxp.com>",
        "References": "<1554745507-15089-1-git-send-email-g.singh@nxp.com>",
        "In-Reply-To": "<1554745507-15089-1-git-send-email-g.singh@nxp.com>",
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        "Subject": "[dpdk-dev] [PATCH 13/13] net/enetc: fix crash at high speed traffic",
        "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://mails.dpdk.org/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>",
        "List-Archive": "<http://mails.dpdk.org/archives/dev/>",
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        "List-Help": "<mailto:dev-request@dpdk.org?subject=help>",
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        "Errors-To": "dev-bounces@dpdk.org",
        "Sender": "\"dev\" <dev-bounces@dpdk.org>"
    },
    "content": "On xmit side, there should be a check whether BD ring\nhas free BDs available before transmit a packet to avoid\ndata corruption and buffer leak issue.\n\nFixes: 469c6111a799 (\"net/enetc: enable Rx and Tx\")\nCc: g.singh@nxp.com\n\nSigned-off-by: Gagandeep Singh <g.singh@nxp.com>\n---\n drivers/net/enetc/enetc_rxtx.c | 7 ++++++-\n 1 file changed, 6 insertions(+), 1 deletion(-)",
    "diff": "diff --git a/drivers/net/enetc/enetc_rxtx.c b/drivers/net/enetc/enetc_rxtx.c\nindex ed39665..baf5d27 100644\n--- a/drivers/net/enetc/enetc_rxtx.c\n+++ b/drivers/net/enetc/enetc_rxtx.c\n@@ -49,11 +49,16 @@\n \t\tuint16_t nb_pkts)\n {\n \tstruct enetc_swbd *tx_swbd;\n-\tint i, start;\n+\tint i, start, bds_to_use;\n \tstruct enetc_tx_bd *txbd;\n \tstruct enetc_bdr *tx_ring = (struct enetc_bdr *)tx_queue;\n \n \ti = tx_ring->next_to_use;\n+\n+\tbds_to_use = enetc_bd_unused(tx_ring);\n+\tif (bds_to_use < nb_pkts)\n+\t\tnb_pkts = bds_to_use;\n+\n \tstart = 0;\n \twhile (nb_pkts--) {\n \t\tenetc_clean_tx_ring(tx_ring);\n",
    "prefixes": [
        "13/13"
    ]
}