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{
    "id": 616987,
    "url": "http://patchwork.ozlabs.org/api/patches/616987/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/netdev/patch/20160429224308.12418.51424.stgit@ahduyck-xeon-server/",
    "project": {
        "id": 7,
        "url": "http://patchwork.ozlabs.org/api/projects/7/?format=api",
        "name": "Linux network development",
        "link_name": "netdev",
        "list_id": "netdev.vger.kernel.org",
        "list_email": "netdev@vger.kernel.org",
        "web_url": null,
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    "msgid": "<20160429224308.12418.51424.stgit@ahduyck-xeon-server>",
    "list_archive_url": null,
    "date": "2016-04-29T22:43:08",
    "name": "[net-next,v2,1/9] net: Disable segmentation if checksumming is not supported",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "6f24ca83a73bdf2aa0b8e3a0a4bbf569ea1e9ebc",
    "submitter": {
        "id": 67293,
        "url": "http://patchwork.ozlabs.org/api/people/67293/?format=api",
        "name": "Alexander Duyck",
        "email": "aduyck@mirantis.com"
    },
    "delegate": {
        "id": 34,
        "url": "http://patchwork.ozlabs.org/api/users/34/?format=api",
        "username": "davem",
        "first_name": "David",
        "last_name": "Miller",
        "email": "davem@davemloft.net"
    },
    "mbox": "http://patchwork.ozlabs.org/project/netdev/patch/20160429224308.12418.51424.stgit@ahduyck-xeon-server/mbox/",
    "series": [],
    "comments": "http://patchwork.ozlabs.org/api/patches/616987/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/616987/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<netdev-owner@vger.kernel.org>",
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        "X-Received": "by 10.66.41.107 with SMTP id e11mr32931963pal.15.1461969790151; \n\tFri, 29 Apr 2016 15:43:10 -0700 (PDT)",
        "Subject": "[net-next PATCH v2 1/9] net: Disable segmentation if checksumming\n\tis not supported",
        "From": "Alexander Duyck <aduyck@mirantis.com>",
        "To": "talal@mellanox.com, netdev@vger.kernel.org,\n\tmichael.chan@broadcom.com, davem@davemloft.net, galp@mellanox.com,\n\togerlitz@mellanox.com, eranbe@mellanox.com",
        "Date": "Fri, 29 Apr 2016 15:43:08 -0700",
        "Message-ID": "<20160429224308.12418.51424.stgit@ahduyck-xeon-server>",
        "In-Reply-To": "<20160429222735.12418.61229.stgit@ahduyck-xeon-server>",
        "References": "<20160429222735.12418.61229.stgit@ahduyck-xeon-server>",
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        "Content-Transfer-Encoding": "7bit",
        "Sender": "netdev-owner@vger.kernel.org",
        "Precedence": "bulk",
        "List-ID": "<netdev.vger.kernel.org>",
        "X-Mailing-List": "netdev@vger.kernel.org"
    },
    "content": "In the case of the mlx4 and mlx5 driver they do not support IPv6 checksum\noffload for tunnels.  With this being the case we should disable GSO in\naddition to the checksum offload features when we find that a device cannot\nperform a checksum on a given packet type.\n\nSigned-off-by: Alexander Duyck <aduyck@mirantis.com>\n---\n net/core/dev.c |    2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)",
    "diff": "diff --git a/net/core/dev.c b/net/core/dev.c\nindex d91dfbec0fc6..673d1f118bfb 100644\n--- a/net/core/dev.c\n+++ b/net/core/dev.c\n@@ -2815,7 +2815,7 @@ static netdev_features_t harmonize_features(struct sk_buff *skb,\n \n \tif (skb->ip_summed != CHECKSUM_NONE &&\n \t    !can_checksum_protocol(features, type)) {\n-\t\tfeatures &= ~NETIF_F_CSUM_MASK;\n+\t\tfeatures &= ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK);\n \t} else if (illegal_highdma(skb->dev, skb)) {\n \t\tfeatures &= ~NETIF_F_SG;\n \t}\n",
    "prefixes": [
        "net-next",
        "v2",
        "1/9"
    ]
}