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 #include <linux/spinlock.h> 16 17 struct net; 18 19 struct phonet_device_list { 20 struct list_head list; 21 spinlock_t lock; 22 }; 23 24 struct phonet_device_list *phonet_device_list(struct net *net); 25 26 struct phonet_device { 27 struct list_head list; 28 struct net_device *netdev; 29 DECLARE_BITMAP(addrs, 64); 30 struct rcu_head rcu; 31 }; 32 33 int phonet_device_init(void); 34 void phonet_device_exit(void); 35 int phonet_netlink_register(void); 36 struct net_device *phonet_device_get(struct net *net); 37 38 int phonet_address_add(struct net_device *dev, u8 addr); 39 int phonet_address_del(struct net_device *dev, u8 addr); 40 u8 phonet_address_get(struct net_device *dev, u8 addr); 41 int phonet_address_lookup(struct net *net, u8 addr); 42 void phonet_address_notify(struct net *net, int event, u32 ifindex, u8 addr); 43 44 int phonet_route_add(struct net_device *dev, u8 daddr); 45 int phonet_route_del(struct net_device *dev, u8 daddr); 46 void rtm_phonet_notify(int event, struct net_device *dev, u8 dst); 47 struct net_device *phonet_route_get_rcu(struct net *net, u8 daddr); 48 struct net_device *phonet_route_output(struct net *net, u8 daddr); 49 50 #define PN_NO_ADDR 0xff 51 52 extern const struct seq_operations pn_sock_seq_ops; 53 extern const struct seq_operations pn_res_seq_ops; 54 55 #endif 56