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Commit 38fd2af2 authored by Tom Herbert's avatar Tom Herbert Committed by David S. Miller
Browse files

udp: Add socket based GRO and config 



Add gro_receive and  gro_complete to struct udp_tunnel_sock_cfg.

Signed-off-by: default avatarTom Herbert <tom@herbertland.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a6024562

include/net/udp_tunnel.h

+7 −0
Original line number Diff line number Diff line
@@ -64,6 +64,11 @@ static inline int udp_sock_create(struct net *net, 


typedef int (*udp_tunnel_encap_rcv_t)(struct sock *sk, struct sk_buff *skb);

typedef void (*udp_tunnel_encap_destroy_t)(struct sock *sk);

typedef struct sk_buff **(*udp_tunnel_gro_receive_t)(struct sock *sk,

						     struct sk_buff **head,

						     struct sk_buff *skb);

typedef int (*udp_tunnel_gro_complete_t)(struct sock *sk, struct sk_buff *skb,

					 int nhoff);



struct udp_tunnel_sock_cfg {

	void *sk_user_data;     /* user data used by encap_rcv call back */
@@ -71,6 +76,8 @@ struct udp_tunnel_sock_cfg { 
	__u8  encap_type;

	udp_tunnel_encap_rcv_t encap_rcv;

	udp_tunnel_encap_destroy_t encap_destroy;

	udp_tunnel_gro_receive_t gro_receive;

	udp_tunnel_gro_complete_t gro_complete;

};



/* Setup the given (UDP) sock to receive UDP encapsulated packets */

net/ipv4/udp_tunnel.c

+2 −0
Original line number Diff line number Diff line
@@ -69,6 +69,8 @@ void setup_udp_tunnel_sock(struct net *net, struct socket *sock, 
	udp_sk(sk)->encap_type = cfg->encap_type;

	udp_sk(sk)->encap_rcv = cfg->encap_rcv;

	udp_sk(sk)->encap_destroy = cfg->encap_destroy;

	udp_sk(sk)->gro_receive = cfg->gro_receive;

	udp_sk(sk)->gro_complete = cfg->gro_complete;



	udp_tunnel_encap_enable(sock);

}