Commit | Line | Data |
---|---|---|
b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
ef456144 CG |
2 | #ifndef _SOCK_REUSEPORT_H |
3 | #define _SOCK_REUSEPORT_H | |
4 | ||
538950a1 CG |
5 | #include <linux/filter.h> |
6 | #include <linux/skbuff.h> | |
ef456144 | 7 | #include <linux/types.h> |
736b4602 | 8 | #include <linux/spinlock.h> |
ef456144 CG |
9 | #include <net/sock.h> |
10 | ||
736b4602 MKL |
11 | extern spinlock_t reuseport_lock; |
12 | ||
ef456144 CG |
13 | struct sock_reuseport { |
14 | struct rcu_head rcu; | |
15 | ||
16 | u16 max_socks; /* length of socks */ | |
17 | u16 num_socks; /* elements in socks */ | |
40a1227e MKL |
18 | /* The last synq overflow event timestamp of this |
19 | * reuse->socks[] group. | |
20 | */ | |
21 | unsigned int synq_overflow_ts; | |
736b4602 MKL |
22 | /* ID stays the same even after the size of socks[] grows. */ |
23 | unsigned int reuseport_id; | |
2dbb9b9e | 24 | bool bind_inany; |
538950a1 | 25 | struct bpf_prog __rcu *prog; /* optional BPF sock selector */ |
ef456144 CG |
26 | struct sock *socks[0]; /* array of sock pointers */ |
27 | }; | |
28 | ||
2dbb9b9e MKL |
29 | extern int reuseport_alloc(struct sock *sk, bool bind_inany); |
30 | extern int reuseport_add_sock(struct sock *sk, struct sock *sk2, | |
31 | bool bind_inany); | |
ef456144 | 32 | extern void reuseport_detach_sock(struct sock *sk); |
538950a1 CG |
33 | extern struct sock *reuseport_select_sock(struct sock *sk, |
34 | u32 hash, | |
35 | struct sk_buff *skb, | |
36 | int hdr_len); | |
8217ca65 | 37 | extern int reuseport_attach_prog(struct sock *sk, struct bpf_prog *prog); |
736b4602 | 38 | int reuseport_get_id(struct sock_reuseport *reuse); |
ef456144 CG |
39 | |
40 | #endif /* _SOCK_REUSEPORT_H */ |