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{
    "id": 52697,
    "url": "http://patches.dpdk.org/api/patches/52697/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/patch/20190412105105.24351-14-g.singh@nxp.com/",
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        "id": 1,
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        "name": "DPDK",
        "link_name": "dpdk",
        "list_id": "dev.dpdk.org",
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    "msgid": "<20190412105105.24351-14-g.singh@nxp.com>",
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    "date": "2019-04-12T11:01:57",
    "name": "[v3,13/13] 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    "state": "superseded",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/20190412105105.24351-14-g.singh@nxp.com/mbox/",
    "series": [
        {
            "id": 4280,
            "url": "http://patches.dpdk.org/api/series/4280/?format=api",
            "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=4280",
            "date": "2019-04-12T11:01:11",
            "name": "ENETC PMD basic features and bug fixes",
            "version": 3,
            "mbox": "http://patches.dpdk.org/series/4280/mbox/"
        }
    ],
    "comments": "http://patches.dpdk.org/api/patches/52697/comments/",
    "check": "warning",
    "checks": "http://patches.dpdk.org/api/patches/52697/checks/",
    "tags": {},
    "related": [],
    "headers": {
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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>, \"stable@dpdk.org\" <stable@dpdk.org>",
        "Thread-Topic": "[PATCH v3 13/13] net/enetc: fix crash at high speed traffic",
        "Thread-Index": "AQHU8R8lmuj+KwCqIkWcM/rKt1jrOQ==",
        "Date": "Fri, 12 Apr 2019 11:01:57 +0000",
        "Message-ID": "<20190412105105.24351-14-g.singh@nxp.com>",
        "References": "<1555075598-4988-1-git-send-email-g.singh@nxp.com>\n\t<20190412105105.24351-1-g.singh@nxp.com>",
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        "Subject": "[dpdk-dev] [PATCH v3 13/13] net/enetc: fix crash at high speed\n\ttraffic",
        "X-BeenThere": "dev@dpdk.org",
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        "Errors-To": "dev-bounces@dpdk.org",
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    },
    "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: stable@dpdk.org\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\r\nindex 0ce7dbe..81b0ef3 100644\r\n--- a/drivers/net/enetc/enetc_rxtx.c\r\n+++ b/drivers/net/enetc/enetc_rxtx.c\r\n@@ -49,11 +49,16 @@\r\n \t\tuint16_t nb_pkts)\r\n {\r\n \tstruct enetc_swbd *tx_swbd;\r\n-\tint i, start;\r\n+\tint i, start, bds_to_use;\r\n \tstruct enetc_tx_bd *txbd;\r\n \tstruct enetc_bdr *tx_ring = (struct enetc_bdr *)tx_queue;\r\n \r\n \ti = tx_ring->next_to_use;\r\n+\r\n+\tbds_to_use = enetc_bd_unused(tx_ring);\r\n+\tif (bds_to_use < nb_pkts)\r\n+\t\tnb_pkts = bds_to_use;\r\n+\r\n \tstart = 0;\r\n \twhile (nb_pkts--) {\r\n \t\tenetc_clean_tx_ring(tx_ring);\r\n",
    "prefixes": [
        "v3",
        "13/13"
    ]
}