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path: root/net/ipv6/ip6_udp_tunnel.c
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Diffstat (limited to 'net/ipv6/ip6_udp_tunnel.c')
-rw-r--r--net/ipv6/ip6_udp_tunnel.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/net/ipv6/ip6_udp_tunnel.c b/net/ipv6/ip6_udp_tunnel.c
index e1a1136bd..14dacf1df 100644
--- a/net/ipv6/ip6_udp_tunnel.c
+++ b/net/ipv6/ip6_udp_tunnel.c
@@ -23,6 +23,15 @@ int udp_sock_create6(struct net *net, struct udp_port_cfg *cfg,
if (err < 0)
goto error;
+ if (cfg->ipv6_v6only) {
+ int val = 1;
+
+ err = kernel_setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY,
+ (char *) &val, sizeof(val));
+ if (err < 0)
+ goto error;
+ }
+
udp6_addr.sin6_family = AF_INET6;
memcpy(&udp6_addr.sin6_addr, &cfg->local_ip6,
sizeof(udp6_addr.sin6_addr));