[mirror_ubuntu-artful-kernel.git] / include / net / sock_reuseport.h

#ifndef _SOCK_REUSEPORT_H
#define _SOCK_REUSEPORT_H

#include <linux/filter.h>
#include <linux/skbuff.h>
#include <linux/types.h>
#include <net/sock.h>

struct sock_reuseport {
	struct rcu_head		rcu;

	u16			max_socks;	/* length of socks */
	u16			num_socks;	/* elements in socks */
	struct bpf_prog __rcu	*prog;		/* optional BPF sock selector */
	struct sock		*socks[0];	/* array of sock pointers */
};

extern int reuseport_alloc(struct sock *sk);
extern int reuseport_add_sock(struct sock *sk, struct sock *sk2);
extern void reuseport_detach_sock(struct sock *sk);
extern struct sock *reuseport_select_sock(struct sock *sk,
					  u32 hash,
					  struct sk_buff *skb,
					  int hdr_len);
extern struct bpf_prog *reuseport_attach_prog(struct sock *sk,
					      struct bpf_prog *prog);

#endif  /* _SOCK_REUSEPORT_H */
Commit	Line	Data
ef456144 CG	1	#ifndef _SOCK_REUSEPORT_H
	2	#define _SOCK_REUSEPORT_H
	3
538950a1 CG	4	#include <linux/filter.h>
538950a1 CG	5	#include <linux/skbuff.h>
ef456144 CG	6	#include <linux/types.h>
	7	#include <net/sock.h>
	8
	9	struct sock_reuseport {
	10	struct rcu_head rcu;
	11
	12	u16 max_socks; /* length of socks */
	13	u16 num_socks; /* elements in socks */
538950a1	14	struct bpf_prog __rcu prog; / optional BPF sock selector */
ef456144 CG	15	struct sock socks[0]; / array of sock pointers */
	16	};
	17
	18	extern int reuseport_alloc(struct sock *sk);
b4ace4f1	19	extern int reuseport_add_sock(struct sock sk, struct sock sk2);
ef456144	20	extern void reuseport_detach_sock(struct sock *sk);
538950a1 CG	21	extern struct sock reuseport_select_sock(struct sock sk,
	22	u32 hash,
	23	struct sk_buff *skb,
	24	int hdr_len);
	25	extern struct bpf_prog reuseport_attach_prog(struct sock sk,
	26	struct bpf_prog *prog);
ef456144 CG	27
ef456144 CG	28	#endif /* _SOCK_REUSEPORT_H */