#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 */
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