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: David Lebrun <david.lebrun@uclouvain.be> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -357,6 +357,11 @@ static int seg6_local_input(struct sk_buff *skb)
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struct seg6_action_desc *desc;
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struct seg6_action_desc *desc;
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struct seg6_local_lwt *slwt;
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struct seg6_local_lwt *slwt;
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if (skb->protocol != htons(ETH_P_IPV6)) {
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kfree_skb(skb);
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return -EINVAL;
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}
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slwt = seg6_local_lwtunnel(orig_dst->lwtstate);
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slwt = seg6_local_lwtunnel(orig_dst->lwtstate);
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desc = slwt->desc;
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desc = slwt->desc;
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@ -623,6 +628,9 @@ static int seg6_local_build_state(struct nlattr *nla, unsigned int family,
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struct seg6_local_lwt *slwt;
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struct seg6_local_lwt *slwt;
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int err;
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int err;
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if (family != AF_INET6)
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return -EINVAL;
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err = nla_parse_nested(tb, SEG6_LOCAL_MAX, nla, seg6_local_policy,
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err = nla_parse_nested(tb, SEG6_LOCAL_MAX, nla, seg6_local_policy,
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extack);
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extack);
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