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Commit 6285217f authored by David Lebrun's avatar David Lebrun Committed by David S. Miller
Browse files

ipv6: sr: enforce IPv6 packets for seg6local lwt 



This patch ensures that the seg6local lightweight tunnel is used solely
with IPv6 routes and processes only IPv6 packets.

Signed-off-by: default avatarDavid Lebrun <david.lebrun@uclouvain.be>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 38ee7f2d

net/ipv6/seg6_local.c

+8 −0
Original line number Diff line number Diff line
@@ -357,6 +357,11 @@ static int seg6_local_input(struct sk_buff *skb) 
	struct seg6_action_desc *desc;

	struct seg6_local_lwt *slwt;



	if (skb->protocol != htons(ETH_P_IPV6)) {

		kfree_skb(skb);

		return -EINVAL;

	}



	slwt = seg6_local_lwtunnel(orig_dst->lwtstate);

	desc = slwt->desc;
@@ -623,6 +628,9 @@ static int seg6_local_build_state(struct nlattr *nla, unsigned int family, 
	struct seg6_local_lwt *slwt;

	int err;



	if (family != AF_INET6)

		return -EINVAL;



	err = nla_parse_nested(tb, SEG6_LOCAL_MAX, nla, seg6_local_policy,

			       extack);