LXR linux/include/net/sock

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef _SOCK_REUSEPORT_H
   3#define _SOCK_REUSEPORT_H
   4
   5#include <linux/filter.h>
   6#include <linux/skbuff.h>
   7#include <linux/types.h>
   8#include <net/sock.h>
   9
  10struct sock_reuseport {
  11        struct rcu_head         rcu;
  12
  13        u16                     max_socks;      /* length of socks */
  14        u16                     num_socks;      /* elements in socks */
  15        struct bpf_prog __rcu   *prog;          /* optional BPF sock selector */
  16        struct sock             *socks[0];      /* array of sock pointers */
  17};
  18
  19extern int reuseport_alloc(struct sock *sk);
  20extern int reuseport_add_sock(struct sock *sk, struct sock *sk2);
  21extern void reuseport_detach_sock(struct sock *sk);
  22extern struct sock *reuseport_select_sock(struct sock *sk,
  23                                          u32 hash,
  24                                          struct sk_buff *skb,
  25                                          int hdr_len);
  26extern struct bpf_prog *reuseport_attach_prog(struct sock *sk,
  27                                              struct bpf_prog *prog);
  28
  29#endif  /* _SOCK_REUSEPORT_H */
  30