@@ -69,6 +69,10 @@ typedef struct sk_buff **(*udp_tunnel_gro_receive_t)(struct sock *sk,
struct sk_buff *skb);
typedef int (*udp_tunnel_gro_complete_t)(struct sock *sk, struct sk_buff *skb,
int nhoff);
+typedef int (*udp_tunnel_flow_dissect_t)(struct sock *sk,
+ const struct sk_buff *skb,
+ void *data, int hlen, int *nhoff,
+ u8 *ip_proto, __be16 *proto);
struct udp_tunnel_sock_cfg {
void *sk_user_data; /* user data used by encap_rcv call back */
@@ -78,6 +82,7 @@ struct udp_tunnel_sock_cfg {
udp_tunnel_encap_destroy_t encap_destroy;
udp_tunnel_gro_receive_t gro_receive;
udp_tunnel_gro_complete_t gro_complete;
+ udp_tunnel_flow_dissect_t flow_dissect;
};
/* Setup the given (UDP) sock to receive UDP encapsulated packets */
@@ -72,6 +72,11 @@ void setup_udp_tunnel_sock(struct net *net, struct socket *sock,
udp_sk(sk)->gro_receive = cfg->gro_receive;
udp_sk(sk)->gro_complete = cfg->gro_complete;
+ if (cfg->flow_dissect) {
+ udp_sk(sk)->flow_dissect = cfg->flow_dissect;
+ udp_flow_dissect_enable();
+ }
+
udp_tunnel_encap_enable(sock);
}
EXPORT_SYMBOL_GPL(setup_udp_tunnel_sock);
Add infrastructure to allow UDP tunnels to setup flow dissection. Signed-off-by: Tom Herbert <tom@herbertland.com> --- include/net/udp_tunnel.h | 5 +++++ net/ipv4/udp_tunnel.c | 5 +++++ 2 files changed, 10 insertions(+)