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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_H7#define _WG_DEVICE_H8 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 */63