diff options
| -rw-r--r-- | drivers/net/vxlan.c | 1 | ||||
| -rw-r--r-- | include/net/udp_tunnel.h | 3 | ||||
| -rw-r--r-- | net/ipv6/ip6_udp_tunnel.c | 9 |
3 files changed, 12 insertions, 1 deletions
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index e3adfe0ef66b..6c5269aea544 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -2530,6 +2530,7 @@ static struct socket *vxlan_create_sock(struct net *net, bool ipv6, udp_conf.family = AF_INET6; udp_conf.use_udp6_rx_checksums = !(flags & VXLAN_F_UDP_ZERO_CSUM6_RX); + udp_conf.ipv6_v6only = 1; } else { udp_conf.family = AF_INET; } diff --git a/include/net/udp_tunnel.h b/include/net/udp_tunnel.h index 35041d0fc21e..cb2f89f20f5c 100644 --- a/include/net/udp_tunnel.h +++ b/include/net/udp_tunnel.h @@ -31,7 +31,8 @@ struct udp_port_cfg { __be16 peer_udp_port; unsigned int use_udp_checksums:1, use_udp6_tx_checksums:1, - use_udp6_rx_checksums:1; + use_udp6_rx_checksums:1, + ipv6_v6only:1; }; int udp_sock_create4(struct net *net, struct udp_port_cfg *cfg, diff --git a/net/ipv6/ip6_udp_tunnel.c b/net/ipv6/ip6_udp_tunnel.c index e1a1136bda7c..14dacf1df529 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)); |