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62 lines · 1.5 KiB

1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Copyright (C) 2015-2019 Jason A. Donenfeld <[email protected]>. All Rights Reserved.
4 */
5
6#ifndef _WG_DEVICE_H
7#define _WG_DEVICE_H
8
9#include "noise.h"
10#include "allowedips.h"
11#include "peerlookup.h"
12#include "cookie.h"
13
14#include <linux/types.h>
15#include <linux/netdevice.h>
16#include <linux/workqueue.h>
17#include <linux/mutex.h>
18#include <linux/net.h>
19#include <linux/ptr_ring.h>
20
21struct wg_device;
22
23struct multicore_worker {
24 void *ptr;
25 struct work_struct work;
26};
27
28struct crypt_queue {
29 struct ptr_ring ring;
30 struct multicore_worker __percpu *worker;
31 int last_cpu;
32};
33
34struct prev_queue {
35 struct sk_buff *head, *tail, *peeked;
36 struct { struct sk_buff *next, *prev; } empty; // Match first 2 members of struct sk_buff.
37 atomic_t count;
38};
39
40struct wg_device {
41 struct net_device *dev;
42 struct crypt_queue encrypt_queue, decrypt_queue, handshake_queue;
43 struct sock __rcu *sock4, *sock6;
44 struct net __rcu *creating_net;
45 struct noise_static_identity static_identity;
46 struct workqueue_struct *packet_crypt_wq,*handshake_receive_wq, *handshake_send_wq;
47 struct cookie_checker cookie_checker;
48 struct pubkey_hashtable *peer_hashtable;
49 struct index_hashtable *index_hashtable;
50 struct allowedips peer_allowedips;
51 struct mutex device_update_lock, socket_update_lock;
52 struct list_head device_list, peer_list;
53 atomic_t handshake_queue_len;
54 unsigned int num_peers, device_update_gen;
55 u32 fwmark;
56 u16 incoming_port;
57};
58
59int wg_device_init(void);
60void wg_device_uninit(void);
61
62#endif /* _WG_DEVICE_H */