include/net/sock_reuseport.h

   1 #ifndef _SOCK_REUSEPORT_H
   2 #define _SOCK_REUSEPORT_H
   3
   4 #include <linux/filter.h>
   5 #include <linux/skbuff.h>
   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 */
  14         struct bpf_prog __rcu   *prog;          /* optional BPF sock selector */
  15         struct sock             *socks[0];      /* array of sock pointers */
  16 };
  17
  18 extern int reuseport_alloc(struct sock *sk);
  19 extern int reuseport_add_sock(struct sock *sk, struct sock *sk2);
  20 extern void reuseport_detach_sock(struct sock *sk);
  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);
  27
  28 #endif  /* _SOCK_REUSEPORT_H */