diff options
| author |   Sabrina Dubroca <sd@queasysnail.net> | 2017-07-21 12:49:29 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-07-24 13:52:59 -0700 |
| commit | 7a27fc6d536b36a29c0ed4bfff7035420f4df216 (patch) | |
| tree | a3633eddac899dba0e748d375f3906d61e5765cf /net/ipv4/udp_tunnel.c | |
| parent | net: add new netdevice feature for offload of RX port for UDP tunnels (diff) | |
| download | wireguard-linux-7a27fc6d536b36a29c0ed4bfff7035420f4df216.tar.xz wireguard-linux-7a27fc6d536b36a29c0ed4bfff7035420f4df216.zip | |
net: check UDP tunnel RX port offload feature before calling tunnel ndo ndo
If NETIF_F_RX_UDP_TUNNEL_PORT was disabled on a given netdevice, skip
the tunnel offload ndo call during tunnel port creation and deletion.
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/udp_tunnel.c')
| -rw-r--r-- | net/ipv4/udp_tunnel.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/net/ipv4/udp_tunnel.c b/net/ipv4/udp_tunnel.c index 58bd39fb14b4..0d3f14cdc524 100644 --- a/net/ipv4/udp_tunnel.c +++ b/net/ipv4/udp_tunnel.c @@ -82,7 +82,8 @@ void udp_tunnel_push_rx_port(struct net_device *dev, struct socket *sock, struct sock *sk = sock->sk; struct udp_tunnel_info ti; - if (!dev->netdev_ops->ndo_udp_tunnel_add) + if (!dev->netdev_ops->ndo_udp_tunnel_add || + !(dev->features & NETIF_F_RX_UDP_TUNNEL_PORT)) return; ti.type = type; @@ -109,6 +110,8 @@ void udp_tunnel_notify_add_rx_port(struct socket *sock, unsigned short type) for_each_netdev_rcu(net, dev) { if (!dev->netdev_ops->ndo_udp_tunnel_add) continue; + if (!(dev->features & NETIF_F_RX_UDP_TUNNEL_PORT)) + continue; dev->netdev_ops->ndo_udp_tunnel_add(dev, &ti); } rcu_read_unlock(); @@ -131,6 +134,8 @@ void udp_tunnel_notify_del_rx_port(struct socket *sock, unsigned short type) for_each_netdev_rcu(net, dev) { if (!dev->netdev_ops->ndo_udp_tunnel_del) continue; + if (!(dev->features & NETIF_F_RX_UDP_TUNNEL_PORT)) + continue; dev->netdev_ops->ndo_udp_tunnel_del(dev, &ti); } rcu_read_unlock(); |