Commit 8602a625 authored Jul 21, 2015 by Roopa Prabhu Committed by David S. Miller Jul 21, 2015

ipv4: redirect dst output to lwtunnel output



For input routes with tunnel encap state this patch redirects
dst output functions to lwtunnel_output which later resolves to
the corresponding lwtunnel output function.

This has been tested to work with mpls ip tunnels.

Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent ffce4196

net/ipv4/route.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -1633,6 +1633,8 @@ static int __mkroute_input(struct sk_buff *skb,
		rth->dst.output = ip_output;

		rt_set_nexthop(rth, daddr, res, fnhe, res->fi, res->type, itag);
		if (lwtunnel_output_redirect(rth->rt_lwtstate))
		rth->dst.output = lwtunnel_output;
		skb_dst_set(skb, &rth->dst);
		out:
		err = 0;