/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
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*/
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#ifndef _WG_DEVICE_H
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#define _WG_DEVICE_H
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#include "noise.h"
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#include "allowedips.h"
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#include "peerlookup.h"
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#include "cookie.h"
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#include <linux/types.h>
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#include <linux/netdevice.h>
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#include <linux/workqueue.h>
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#include <linux/mutex.h>
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#include <linux/net.h>
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#include <linux/ptr_ring.h>
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struct wg_device;
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struct multicore_worker {
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void *ptr;
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struct work_struct work;
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};
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struct crypt_queue {
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struct ptr_ring ring;
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struct multicore_worker __percpu *worker;
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int last_cpu;
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};
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struct prev_queue {
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struct sk_buff *head, *tail, *peeked;
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struct { struct sk_buff *next, *prev; } empty; // Match first 2 members of struct sk_buff.
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atomic_t count;
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};
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struct wg_device {
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struct net_device *dev;
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struct crypt_queue encrypt_queue, decrypt_queue, handshake_queue;
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struct sock __rcu *sock4, *sock6;
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struct net __rcu *creating_net;
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struct noise_static_identity static_identity;
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struct workqueue_struct *packet_crypt_wq,*handshake_receive_wq, *handshake_send_wq;
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struct cookie_checker cookie_checker;
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struct pubkey_hashtable *peer_hashtable;
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struct index_hashtable *index_hashtable;
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struct allowedips peer_allowedips;
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struct mutex device_update_lock, socket_update_lock;
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struct list_head device_list, peer_list;
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atomic_t handshake_queue_len;
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unsigned int num_peers, device_update_gen;
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u32 fwmark;
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u16 incoming_port;
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};
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int wg_device_init(void);
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void wg_device_uninit(void);
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#endif /* _WG_DEVICE_H */
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