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{
    "id": 818031,
    "url": "http://patchwork.ozlabs.org/api/patches/818031/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/netdev/patch/20170925032941.14586-3-tom@quantonium.net/",
    "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,
        "scm_url": null,
        "webscm_url": null,
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<20170925032941.14586-3-tom@quantonium.net>",
    "list_archive_url": null,
    "date": "2017-09-25T03:29:31",
    "name": "[v3,net-next,02/12] vxlan: Call common functions to get tunnel routes",
    "commit_ref": null,
    "pull_url": null,
    "state": "changes-requested",
    "archived": true,
    "hash": "c6b9581e48a8c86b982d619634022d485d855689",
    "submitter": {
        "id": 72064,
        "url": "http://patchwork.ozlabs.org/api/people/72064/?format=api",
        "name": "Tom Herbert",
        "email": "tom@quantonium.net"
    },
    "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/20170925032941.14586-3-tom@quantonium.net/mbox/",
    "series": [
        {
            "id": 4865,
            "url": "http://patchwork.ozlabs.org/api/series/4865/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/netdev/list/?series=4865",
            "date": "2017-09-25T03:29:29",
            "name": "gtp: Additional feature support - Part I",
            "version": 3,
            "mbox": "http://patchwork.ozlabs.org/series/4865/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/818031/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/818031/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<netdev-owner@vger.kernel.org>",
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        "X-Received": "by 10.99.56.29 with SMTP id f29mr6343330pga.328.1506310204058;\n\tSun, 24 Sep 2017 20:30:04 -0700 (PDT)",
        "From": "Tom Herbert <tom@quantonium.net>",
        "To": "davem@davemloft.net",
        "Cc": "pablo@netfilter.org, laforge@gnumonks.org, aschultz@tpip.net,\n\tnetdev@vger.kernel.org, rohit@quantonium.net,\n\tTom Herbert <tom@quantonium.net>",
        "Subject": "[PATCH v3 net-next 02/12] vxlan: Call common functions to get\n\ttunnel routes",
        "Date": "Sun, 24 Sep 2017 20:29:31 -0700",
        "Message-Id": "<20170925032941.14586-3-tom@quantonium.net>",
        "X-Mailer": "git-send-email 2.11.0",
        "In-Reply-To": "<20170925032941.14586-1-tom@quantonium.net>",
        "References": "<20170925032941.14586-1-tom@quantonium.net>",
        "Sender": "netdev-owner@vger.kernel.org",
        "Precedence": "bulk",
        "List-ID": "<netdev.vger.kernel.org>",
        "X-Mailing-List": "netdev@vger.kernel.org"
    },
    "content": "Call ip_tunnel_get_route and ip6_tnl_get_route to handle getting a route\nand dealing with the dst_cache.\n\nSigned-off-by: Tom Herbert <tom@quantonium.net>\n---\n drivers/net/vxlan.c | 84 ++++-------------------------------------------------\n 1 file changed, 5 insertions(+), 79 deletions(-)",
    "diff": "diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c\nindex d7c49cf1d5e9..810caa9adf37 100644\n--- a/drivers/net/vxlan.c\n+++ b/drivers/net/vxlan.c\n@@ -1867,47 +1867,11 @@ static struct rtable *vxlan_get_route(struct vxlan_dev *vxlan, struct net_device\n \t\t\t\t      struct dst_cache *dst_cache,\n \t\t\t\t      const struct ip_tunnel_info *info)\n {\n-\tbool use_cache = ip_tunnel_dst_cache_usable(skb, info);\n-\tstruct rtable *rt = NULL;\n-\tstruct flowi4 fl4;\n-\n \tif (!sock4)\n \t\treturn ERR_PTR(-EIO);\n \n-\tif (tos && !info)\n-\t\tuse_cache = false;\n-\tif (use_cache) {\n-\t\trt = dst_cache_get_ip4(dst_cache, saddr);\n-\t\tif (rt)\n-\t\t\treturn rt;\n-\t}\n-\n-\tmemset(&fl4, 0, sizeof(fl4));\n-\tfl4.flowi4_oif = oif;\n-\tfl4.flowi4_tos = RT_TOS(tos);\n-\tfl4.flowi4_mark = skb->mark;\n-\tfl4.flowi4_proto = IPPROTO_UDP;\n-\tfl4.daddr = daddr;\n-\tfl4.saddr = *saddr;\n-\tfl4.fl4_dport = dport;\n-\tfl4.fl4_sport = sport;\n-\n-\trt = ip_route_output_key(vxlan->net, &fl4);\n-\tif (likely(!IS_ERR(rt))) {\n-\t\tif (rt->dst.dev == dev) {\n-\t\t\tnetdev_dbg(dev, \"circular route to %pI4\\n\", &daddr);\n-\t\t\tip_rt_put(rt);\n-\t\t\treturn ERR_PTR(-ELOOP);\n-\t\t}\n-\n-\t\t*saddr = fl4.saddr;\n-\t\tif (use_cache)\n-\t\t\tdst_cache_set_ip4(dst_cache, &rt->dst, fl4.saddr);\n-\t} else {\n-\t\tnetdev_dbg(dev, \"no route to %pI4\\n\", &daddr);\n-\t\treturn ERR_PTR(-ENETUNREACH);\n-\t}\n-\treturn rt;\n+\treturn ip_tunnel_get_route(dev, skb, IPPROTO_UDP, oif, tos, daddr,\n+\t\t\t\t   saddr, dport, sport, dst_cache, info);\n }\n \n #if IS_ENABLED(CONFIG_IPV6)\n@@ -1922,50 +1886,12 @@ static struct dst_entry *vxlan6_get_route(struct vxlan_dev *vxlan,\n \t\t\t\t\t  struct dst_cache *dst_cache,\n \t\t\t\t\t  const struct ip_tunnel_info *info)\n {\n-\tbool use_cache = ip_tunnel_dst_cache_usable(skb, info);\n-\tstruct dst_entry *ndst;\n-\tstruct flowi6 fl6;\n-\tint err;\n-\n \tif (!sock6)\n \t\treturn ERR_PTR(-EIO);\n \n-\tif (tos && !info)\n-\t\tuse_cache = false;\n-\tif (use_cache) {\n-\t\tndst = dst_cache_get_ip6(dst_cache, saddr);\n-\t\tif (ndst)\n-\t\t\treturn ndst;\n-\t}\n-\n-\tmemset(&fl6, 0, sizeof(fl6));\n-\tfl6.flowi6_oif = oif;\n-\tfl6.daddr = *daddr;\n-\tfl6.saddr = *saddr;\n-\tfl6.flowlabel = ip6_make_flowinfo(RT_TOS(tos), label);\n-\tfl6.flowi6_mark = skb->mark;\n-\tfl6.flowi6_proto = IPPROTO_UDP;\n-\tfl6.fl6_dport = dport;\n-\tfl6.fl6_sport = sport;\n-\n-\terr = ipv6_stub->ipv6_dst_lookup(vxlan->net,\n-\t\t\t\t\t sock6->sock->sk,\n-\t\t\t\t\t &ndst, &fl6);\n-\tif (unlikely(err < 0)) {\n-\t\tnetdev_dbg(dev, \"no route to %pI6\\n\", daddr);\n-\t\treturn ERR_PTR(-ENETUNREACH);\n-\t}\n-\n-\tif (unlikely(ndst->dev == dev)) {\n-\t\tnetdev_dbg(dev, \"circular route to %pI6\\n\", daddr);\n-\t\tdst_release(ndst);\n-\t\treturn ERR_PTR(-ELOOP);\n-\t}\n-\n-\t*saddr = fl6.saddr;\n-\tif (use_cache)\n-\t\tdst_cache_set_ip6(dst_cache, ndst, saddr);\n-\treturn ndst;\n+\treturn ip6_tnl_get_route(dev, skb, sock6->sock->sk, IPPROTO_UDP, oif,\n+\t\t\t\t   tos, label, daddr, saddr, dport, sport,\n+\t\t\t\t   dst_cache, info);\n }\n #endif\n \n",
    "prefixes": [
        "v3",
        "net-next",
        "02/12"
    ]
}