diff options
Diffstat (limited to 'net/ipv6/ip6_udp_tunnel.c')
| -rw-r--r-- | net/ipv6/ip6_udp_tunnel.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/net/ipv6/ip6_udp_tunnel.c b/net/ipv6/ip6_udp_tunnel.c index caad40d6e74d..ad1a9ccd4b44 100644 --- a/net/ipv6/ip6_udp_tunnel.c +++ b/net/ipv6/ip6_udp_tunnel.c @@ -31,6 +31,22 @@ int udp_sock_create6(struct net *net, struct udp_port_cfg *cfg, if (err < 0) goto error; } + if (cfg->bind_ifindex) { + struct net_device *dev; + + dev = dev_get_by_index(net, cfg->bind_ifindex); + if (!dev) { + err = -ENODEV; + goto error; + } + + err = kernel_setsockopt(sock, SOL_SOCKET, SO_BINDTODEVICE, + dev->name, strlen(dev->name) + 1); + dev_put(dev); + + if (err < 0) + goto error; + } udp6_addr.sin6_family = AF_INET6; memcpy(&udp6_addr.sin6_addr, &cfg->local_ip6, |