diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-10-20 00:10:27 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-10-20 00:10:27 -0300 |
commit | d0b2f91bede3bd5e3d24dd6803e56eee959c1797 (patch) | |
tree | 7fee4ab0509879c373c4f2cbd5b8a5be5b4041ee /net/ipv4/udp_tunnel.c | |
parent | e914f8eb445e8f74b00303c19c2ffceaedd16a05 (diff) |
Linux-libre 4.8.2-gnupck-4.8.2-gnu
Diffstat (limited to 'net/ipv4/udp_tunnel.c')
-rw-r--r-- | net/ipv4/udp_tunnel.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/net/ipv4/udp_tunnel.c b/net/ipv4/udp_tunnel.c index 47f12c73d..58bd39fb1 100644 --- a/net/ipv4/udp_tunnel.c +++ b/net/ipv4/udp_tunnel.c @@ -76,6 +76,67 @@ void setup_udp_tunnel_sock(struct net *net, struct socket *sock, } EXPORT_SYMBOL_GPL(setup_udp_tunnel_sock); +void udp_tunnel_push_rx_port(struct net_device *dev, struct socket *sock, + unsigned short type) +{ + struct sock *sk = sock->sk; + struct udp_tunnel_info ti; + + if (!dev->netdev_ops->ndo_udp_tunnel_add) + return; + + ti.type = type; + ti.sa_family = sk->sk_family; + ti.port = inet_sk(sk)->inet_sport; + + dev->netdev_ops->ndo_udp_tunnel_add(dev, &ti); +} +EXPORT_SYMBOL_GPL(udp_tunnel_push_rx_port); + +/* Notify netdevs that UDP port started listening */ +void udp_tunnel_notify_add_rx_port(struct socket *sock, unsigned short type) +{ + struct sock *sk = sock->sk; + struct net *net = sock_net(sk); + struct udp_tunnel_info ti; + struct net_device *dev; + + ti.type = type; + ti.sa_family = sk->sk_family; + ti.port = inet_sk(sk)->inet_sport; + + rcu_read_lock(); + for_each_netdev_rcu(net, dev) { + if (!dev->netdev_ops->ndo_udp_tunnel_add) + continue; + dev->netdev_ops->ndo_udp_tunnel_add(dev, &ti); + } + rcu_read_unlock(); +} +EXPORT_SYMBOL_GPL(udp_tunnel_notify_add_rx_port); + +/* Notify netdevs that UDP port is no more listening */ +void udp_tunnel_notify_del_rx_port(struct socket *sock, unsigned short type) +{ + struct sock *sk = sock->sk; + struct net *net = sock_net(sk); + struct udp_tunnel_info ti; + struct net_device *dev; + + ti.type = type; + ti.sa_family = sk->sk_family; + ti.port = inet_sk(sk)->inet_sport; + + rcu_read_lock(); + for_each_netdev_rcu(net, dev) { + if (!dev->netdev_ops->ndo_udp_tunnel_del) + continue; + dev->netdev_ops->ndo_udp_tunnel_del(dev, &ti); + } + rcu_read_unlock(); +} +EXPORT_SYMBOL_GPL(udp_tunnel_notify_del_rx_port); + void udp_tunnel_xmit_skb(struct rtable *rt, struct sock *sk, struct sk_buff *skb, __be32 src, __be32 dst, __u8 tos, __u8 ttl, __be16 df, __be16 src_port, __be16 dst_port, |