xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

net: add infrastructure to un-offload UDP tunnel port

Browse Source 
This adds a new NETDEV_UDP_TUNNEL_DROP_INFO event, similar to
NETDEV_UDP_TUNNEL_PUSH_INFO, to signal to un-offload ports.

This also adds udp_tunnel_drop_rx_port(), which calls
ndo_udp_tunnel_del.

Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sabrina Dubroca
2017-07-21 12:49:30 +02:00
committed by David S. Miller
parent 7a27fc6d53
commit 296d8ee37c
3 changed files with 27 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
include/net/udp_tunnel.h
View File

@@ -115,6 +115,8 @@ struct udp_tunnel_info {
/* Notify network devices of offloadable types */
void udp_tunnel_push_rx_port(struct net_device *dev, struct socket *sock,
unsigned short type);
void udp_tunnel_drop_rx_port(struct net_device *dev, struct socket *sock,
unsigned short type);
void udp_tunnel_notify_add_rx_port(struct socket *sock, unsigned short type);
void udp_tunnel_notify_del_rx_port(struct socket *sock, unsigned short type);
@@ -124,6 +126,12 @@ static inline void udp_tunnel_get_rx_info(struct net_device *dev)
call_netdevice_notifiers(NETDEV_UDP_TUNNEL_PUSH_INFO, dev);
}
static inline void udp_tunnel_drop_rx_info(struct net_device *dev)
{
ASSERT_RTNL();
call_netdevice_notifiers(NETDEV_UDP_TUNNEL_DROP_INFO, dev);
}
/* Transmit the skb using UDP encapsulation. */
void udp_tunnel_xmit_skb(struct rtable *rt, struct sock *sk, struct sk_buff *skb,
__be32 src, __be32 dst, __u8 tos, __u8 ttl,