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Date: Tue, 5 May 2015 15:09:21 +0200
From: Thomas Graf <tgraf@...g.ch>
To: davem@...emloft.net
Cc: stephen@...workplumber.org, netdev@...r.kernel.org
Subject: [PATCH net-next] vxlan: Correctly set flow*i_mark and flow4i_proto in route lookups
VXLAN must provide the skb mark and specifiy IPPROTO_UDP when doing
the FIB lookup for the remote ip. Otherwise an invalid route might
be returned.
Signed-off-by: Thomas Graf <tgraf@...g.ch>
---
drivers/net/vxlan.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 27a5f95..3517ab0 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -1921,6 +1921,8 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev,
memset(&fl4, 0, sizeof(fl4));
fl4.flowi4_oif = rdst->remote_ifindex;
fl4.flowi4_tos = RT_TOS(tos);
+ fl4.flowi4_mark = skb->mark;
+ fl4.flowi4_proto = IPPROTO_UDP;
fl4.daddr = dst->sin.sin_addr.s_addr;
fl4.saddr = vxlan->saddr.sin.sin_addr.s_addr;
@@ -1981,6 +1983,7 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev,
fl6.flowi6_oif = rdst->remote_ifindex;
fl6.daddr = dst->sin6.sin6_addr;
fl6.saddr = vxlan->saddr.sin6.sin6_addr;
+ fl6.flowi6_mark = skb->mark;
fl6.flowi6_proto = IPPROTO_UDP;
if (ipv6_stub->ipv6_dst_lookup(sk, &ndst, &fl6)) {
--
2.3.5
--
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