text: /* SPDX-License-Identifier: GPL-2.0 */
  /*
   * Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
   */
  
  #ifndef _WG_DEVICE_H
  #define _WG_DEVICE_H
  
  #include "noise.h"
  #include "allowedips.h"
  #include "peerlookup.h"
  #include "cookie.h"
  
  #include <linux/types.h>
  #include <linux/netdevice.h>
  #include <linux/workqueue.h>
  #include <linux/mutex.h>
  #include <linux/net.h>
  #include <linux/ptr_ring.h>
  
  struct wg_device;
  
  struct multicore_worker {
  	void *ptr;
  	struct work_struct work;
  };
  
  struct crypt_queue {
  	struct ptr_ring ring;
  	union {
  		struct {
  			struct multicore_worker __percpu *worker;
  			int last_cpu;
  		};
  		struct work_struct work;
  	};
  };
  
  struct wg_device {
  	struct net_device *dev;
  	struct crypt_queue encrypt_queue, decrypt_queue;
  	struct sock __rcu *sock4, *sock6;
  	struct net __rcu *creating_net;
  	struct noise_static_identity static_identity;
  	struct workqueue_struct *handshake_receive_wq, *handshake_send_wq;
  	struct workqueue_struct *packet_crypt_wq;
  	struct sk_buff_head incoming_handshakes;
  	int incoming_handshake_cpu;
  	struct multicore_worker __percpu *incoming_handshakes_worker;
  	struct cookie_checker cookie_checker;
  	struct pubkey_hashtable *peer_hashtable;
  	struct index_hashtable *index_hashtable;
  	struct allowedips peer_allowedips;
  	struct mutex device_update_lock, socket_update_lock;
  	struct list_head device_list, peer_list;
  	unsigned int num_peers, device_update_gen;
  	u32 fwmark;
  	u16 incoming_port;
  };
  
  int wg_device_init(void);
  void wg_device_uninit(void);
  
  #endif /* _WG_DEVICE_H */
  