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 21 struct wg_device; 22 23 struct multicore_worker { 24 void *ptr; 25 struct work_struct work; 26 }; 27 28 struct crypt_queue { 29 struct ptr_ring ring; 30 union { 31 struct { 32 struct multicore_worker __percpu *worker; 33 int last_cpu; 34 }; 35 struct work_struct work; 36 }; 37 }; 38 39 struct wg_device { 40 struct net_device *dev; 41 struct crypt_queue encrypt_queue, decrypt_queue; 42 struct sock __rcu *sock4, *sock6; 43 struct net *creating_net; 44 struct noise_static_identity static_identity; 45 struct workqueue_struct *handshake_receive_wq, *handshake_send_wq; 46 struct workqueue_struct *packet_crypt_wq; 47 struct sk_buff_head incoming_handshakes; 48 int incoming_handshake_cpu; 49 struct multicore_worker __percpu *incoming_handshakes_worker; 50 struct cookie_checker cookie_checker; 51 struct pubkey_hashtable *peer_hashtable; 52 struct index_hashtable *index_hashtable; 53 struct allowedips peer_allowedips; 54 struct mutex device_update_lock, socket_update_lock; 55 struct list_head device_list, peer_list; 56 unsigned int num_peers, device_update_gen; 57 u32 fwmark; 58 u16 incoming_port; 59 bool have_creating_net_ref; 60 }; 61 62 int wg_device_init(void); 63 void wg_device_uninit(void); 64 65 #endif /* _WG_DEVICE_H */ 66