LXR linux/drivers/net/wireguard/main.c

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