1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | /* |
3 | * Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. 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 | |
21 | struct wg_device; |
22 | |
23 | struct multicore_worker { |
24 | void *ptr; |
25 | struct work_struct work; |
26 | }; |
27 | |
28 | struct crypt_queue { |
29 | struct ptr_ring ring; |
30 | struct multicore_worker __percpu *worker; |
31 | int last_cpu; |
32 | }; |
33 | |
34 | struct 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 | |
40 | struct 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 | |
59 | int wg_device_init(void); |
60 | void wg_device_uninit(void); |
61 | |
62 | #endif /* _WG_DEVICE_H */ |
63 | |