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/* 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;
struct multicore_worker __percpu *worker;
int last_cpu;
};
struct prev_queue {
struct sk_buff *head, *tail, *peeked;
struct { struct sk_buff *next, *prev; } empty; // Match first 2 members of struct sk_buff.
atomic_t count;
};
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 */
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