device.h (1549B)
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 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 */