diff options
Diffstat (limited to 'net/ipv4/ip_gre.c')
-rw-r--r-- | net/ipv4/ip_gre.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 0f8ca3fca00a..ab4cff8e563d 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -187,6 +187,12 @@ static void ipgre_err(struct sk_buff *skb, u32 info, if (!t) return; +#if IS_ENABLED(CONFIG_IPV6) + if (tpi->proto == htons(ETH_P_IPV6) && + !ip6_err_gen_icmpv6_unreach(skb, iph->ihl * 4 + tpi->hdr_len, type)) + return; +#endif + if (t->parms.iph.daddr == 0 || ipv4_is_multicast(t->parms.iph.daddr)) return; |