xref: /OK3568_Linux_fs/kernel/drivers/net/wireguard/main.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
4*4882a593Smuzhiyun  */
5*4882a593Smuzhiyun 
6*4882a593Smuzhiyun #include "version.h"
7*4882a593Smuzhiyun #include "device.h"
8*4882a593Smuzhiyun #include "noise.h"
9*4882a593Smuzhiyun #include "queueing.h"
10*4882a593Smuzhiyun #include "ratelimiter.h"
11*4882a593Smuzhiyun #include "netlink.h"
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun #include <uapi/linux/wireguard.h>
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun #include <linux/init.h>
16*4882a593Smuzhiyun #include <linux/module.h>
17*4882a593Smuzhiyun #include <linux/genetlink.h>
18*4882a593Smuzhiyun #include <net/rtnetlink.h>
19*4882a593Smuzhiyun 
mod_init(void)20*4882a593Smuzhiyun static int __init mod_init(void)
21*4882a593Smuzhiyun {
22*4882a593Smuzhiyun 	int ret;
23*4882a593Smuzhiyun 
24*4882a593Smuzhiyun 	ret = wg_allowedips_slab_init();
25*4882a593Smuzhiyun 	if (ret < 0)
26*4882a593Smuzhiyun 		goto err_allowedips;
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun #ifdef DEBUG
29*4882a593Smuzhiyun 	ret = -ENOTRECOVERABLE;
30*4882a593Smuzhiyun 	if (!wg_allowedips_selftest() || !wg_packet_counter_selftest() ||
31*4882a593Smuzhiyun 	    !wg_ratelimiter_selftest())
32*4882a593Smuzhiyun 		goto err_peer;
33*4882a593Smuzhiyun #endif
34*4882a593Smuzhiyun 	wg_noise_init();
35*4882a593Smuzhiyun 
36*4882a593Smuzhiyun 	ret = wg_peer_init();
37*4882a593Smuzhiyun 	if (ret < 0)
38*4882a593Smuzhiyun 		goto err_peer;
39*4882a593Smuzhiyun 
40*4882a593Smuzhiyun 	ret = wg_device_init();
41*4882a593Smuzhiyun 	if (ret < 0)
42*4882a593Smuzhiyun 		goto err_device;
43*4882a593Smuzhiyun 
44*4882a593Smuzhiyun 	ret = wg_genetlink_init();
45*4882a593Smuzhiyun 	if (ret < 0)
46*4882a593Smuzhiyun 		goto err_netlink;
47*4882a593Smuzhiyun 
48*4882a593Smuzhiyun 	pr_info("WireGuard " WIREGUARD_VERSION " loaded. See www.wireguard.com for information.\n");
49*4882a593Smuzhiyun 	pr_info("Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.\n");
50*4882a593Smuzhiyun 
51*4882a593Smuzhiyun 	return 0;
52*4882a593Smuzhiyun 
53*4882a593Smuzhiyun err_netlink:
54*4882a593Smuzhiyun 	wg_device_uninit();
55*4882a593Smuzhiyun err_device:
56*4882a593Smuzhiyun 	wg_peer_uninit();
57*4882a593Smuzhiyun err_peer:
58*4882a593Smuzhiyun 	wg_allowedips_slab_uninit();
59*4882a593Smuzhiyun err_allowedips:
60*4882a593Smuzhiyun 	return ret;
61*4882a593Smuzhiyun }
62*4882a593Smuzhiyun 
mod_exit(void)63*4882a593Smuzhiyun static void __exit mod_exit(void)
64*4882a593Smuzhiyun {
65*4882a593Smuzhiyun 	wg_genetlink_uninit();
66*4882a593Smuzhiyun 	wg_device_uninit();
67*4882a593Smuzhiyun 	wg_peer_uninit();
68*4882a593Smuzhiyun 	wg_allowedips_slab_uninit();
69*4882a593Smuzhiyun }
70*4882a593Smuzhiyun 
71*4882a593Smuzhiyun module_init(mod_init);
72*4882a593Smuzhiyun module_exit(mod_exit);
73*4882a593Smuzhiyun MODULE_LICENSE("GPL v2");
74*4882a593Smuzhiyun MODULE_DESCRIPTION("WireGuard secure network tunnel");
75*4882a593Smuzhiyun MODULE_AUTHOR("Jason A. Donenfeld <Jason@zx2c4.com>");
76*4882a593Smuzhiyun MODULE_VERSION(WIREGUARD_VERSION);
77*4882a593Smuzhiyun MODULE_ALIAS_RTNL_LINK(KBUILD_MODNAME);
78*4882a593Smuzhiyun MODULE_ALIAS_GENL_FAMILY(WG_GENL_NAME);
79