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Date:	Thu, 14 Aug 2014 12:17:05 +0200
From:	Nicolas Dichtel <>
To:	Shmulik Ladkani <>,
	"David S. Miller" <>,
CC:	Sascha Hlusiak <>
Subject: Re: [PATCH] sit: Fix ipip6_tunnel_lookup device matching criteria

Le 14/08/2014 11:32, Shmulik Ladkani a écrit :
> As of 4fddbf5d78, when looking up a tunnel, tunnel's underlying
Please, put also the subject of the commit like this:
4fddbf5d7854 ("sit: strictly restrict incoming traffic to tunnel link device")

> interface (t-> is verified to match incoming traffic's
> ingress device.
> However the comparison was incorrectly based on skb->dev->iflink.
> Instead, dev->ifindex should be used, which correctly represents the
> interface from which the IP stack hands the ipip6 packets.
> This allows setting up sit tunnels bound to vlan interfaces (otherwise
> incoming ipip6 traffic on the vlan interface was dropped due to
> ipip6_tunnel_lookup match failure).
> Signed-off-by: Shmulik Ladkani <>
Acked-by: Nicolas Dichtel <>
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