1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * File: pn_dev.h 4 * 5 * Phonet network device 6 * 7 * Copyright (C) 2008 Nokia Corporation. 8 */ 9 10 #ifndef PN_DEV_H 11 #define PN_DEV_H 12 13 #include <linux/list.h> 14 #include <linux/mutex.h> 15 16 struct net; 17 18 struct phonet_device_list { 19 struct list_head list; 20 struct mutex lock; 21 }; 22 23 struct phonet_device_list *phonet_device_list(struct net *net); 24 25 struct phonet_device { 26 struct list_head list; 27 struct net_device *netdev; 28 DECLARE_BITMAP(addrs, 64); 29 struct rcu_head rcu; 30 }; 31 32 int phonet_device_init(void); 33 void phonet_device_exit(void); 34 int phonet_netlink_register(void); 35 struct net_device *phonet_device_get(struct net *net); 36 37 int phonet_address_add(struct net_device *dev, u8 addr); 38 int phonet_address_del(struct net_device *dev, u8 addr); 39 u8 phonet_address_get(struct net_device *dev, u8 addr); 40 int phonet_address_lookup(struct net *net, u8 addr); 41 void phonet_address_notify(int event, struct net_device *dev, u8 addr); 42 43 int phonet_route_add(struct net_device *dev, u8 daddr); 44 int phonet_route_del(struct net_device *dev, u8 daddr); 45 void rtm_phonet_notify(int event, struct net_device *dev, u8 dst); 46 struct net_device *phonet_route_get_rcu(struct net *net, u8 daddr); 47 struct net_device *phonet_route_output(struct net *net, u8 daddr); 48 49 #define PN_NO_ADDR 0xff 50 51 extern const struct seq_operations pn_sock_seq_ops; 52 extern const struct seq_operations pn_res_seq_ops; 53 54 #endif 55