linux/include/net/sock_reuseport.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _SOCK_REUSEPORT_H
#define _SOCK_REUSEPORT_H

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

extern spinlock_t reuseport_lock;

struct sock_reuseport { … };

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

static inline bool reuseport_has_conns(struct sock *sk)
{ … }

void reuseport_has_conns_set(struct sock *sk);
void reuseport_update_incoming_cpu(struct sock *sk, int val);

#endif  /* _SOCK_REUSEPORT_H */