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ip_tunnel: Use mark in skb by default

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This allows marks set by connmark in iptables
to be used for route lookups.

Signed-off-by: Thomas Winter <thomas.winter@alliedtelesis.co.nz>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Thomas Winter 2018-01-23 16:46:24 +13:00 committed by David S. Miller
parent d8f8b9542a
commit 5c38bd1b82
1 changed files with 10 additions and 3 deletions
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13
net/ipv4/ip_tunnel.c
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@ -711,9 +711,16 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev,
}
}
init_tunnel_flow(&fl4, protocol, dst, tnl_params->saddr,
tunnel->parms.o_key, RT_TOS(tos), tunnel->parms.link,
tunnel->fwmark);
if (tunnel->fwmark) {
init_tunnel_flow(&fl4, protocol, dst, tnl_params->saddr,
tunnel->parms.o_key, RT_TOS(tos), tunnel->parms.link,
tunnel->fwmark);
}
else {
init_tunnel_flow(&fl4, protocol, dst, tnl_params->saddr,
tunnel->parms.o_key, RT_TOS(tos), tunnel->parms.link,
skb->mark);
}
if (ip_tunnel_encap(skb, tunnel, &protocol, &fl4) < 0)
goto tx_error;