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
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	union {
31		struct {
32			struct multicore_worker __percpu *worker;
33			int last_cpu;
34		};
35		struct work_struct work;
36	};
37};
38
39struct wg_device {
40	struct net_device *dev;
41	struct crypt_queue encrypt_queue, decrypt_queue;
42	struct sock __rcu *sock4, *sock6;
43	struct net __rcu *creating_net;
44	struct noise_static_identity static_identity;
45	struct workqueue_struct *handshake_receive_wq, *handshake_send_wq;
46	struct workqueue_struct *packet_crypt_wq;
47	struct sk_buff_head incoming_handshakes;
48	int incoming_handshake_cpu;
49	struct multicore_worker __percpu *incoming_handshakes_worker;
50	struct cookie_checker cookie_checker;
51	struct pubkey_hashtable *peer_hashtable;
52	struct index_hashtable *index_hashtable;
53	struct allowedips peer_allowedips;
54	struct mutex device_update_lock, socket_update_lock;
55	struct list_head device_list, peer_list;
56	unsigned int num_peers, device_update_gen;
57	u32 fwmark;
58	u16 incoming_port;
59};
60
61int wg_device_init(void);
62void wg_device_uninit(void);
63
64#endif /* _WG_DEVICE_H */