2 * netifd - network interface daemon
3 * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2
7 * as published by the Free Software Foundation
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
17 #include <libubox/avl.h>
18 #include <netinet/in.h>
22 struct device_hotplug_ops;
24 typedef int (*device_state_cb)(struct device *, bool up);
36 enum dev_change_type {
44 struct list_head list;
47 const struct config_param_list *config_params;
49 struct device *(*create)(const char *name, struct blob_attr *attr);
50 void (*config_init)(struct device *);
51 enum dev_change_type (*reload)(struct device *, struct blob_attr *);
52 void (*dump_info)(struct device *, struct blob_buf *buf);
53 void (*dump_stats)(struct device *, struct blob_buf *buf);
54 int (*check_state)(struct device *);
55 void (*free)(struct device *);
59 DEV_OPT_MTU = (1 << 0),
60 DEV_OPT_MACADDR = (1 << 1),
61 DEV_OPT_TXQUEUELEN = (1 << 2)
64 /* events broadcasted to all users of a device */
79 * device dependency with callbacks
82 struct list_head list;
88 void (*cb)(struct device_user *, enum device_event);
91 struct device_settings {
94 unsigned int txqueuelen;
99 * link layer device. typically represents a linux network device.
100 * can be used to support VLANs as well
103 const struct device_type *type;
106 struct list_head users;
108 char ifname[IFNAMSIZ + 1];
111 struct blob_attr *config;
123 /* set interface up or down */
124 device_state_cb set_state;
126 const struct device_hotplug_ops *hotplug_ops;
128 struct device_user parent;
130 struct device_settings orig_settings;
131 struct device_settings settings;
134 struct device_hotplug_ops {
135 int (*prepare)(struct device *dev);
136 int (*add)(struct device *main, struct device *member);
137 int (*del)(struct device *main, struct device *member);
140 extern const struct config_param_list device_attr_list;
141 extern const struct device_type simple_device_type;
142 extern const struct device_type bridge_device_type;
143 extern const struct device_type tunnel_device_type;
145 void device_lock(void);
146 void device_unlock(void);
148 struct device *device_create(const char *name, const struct device_type *type,
149 struct blob_attr *config);
150 void device_init_settings(struct device *dev, struct blob_attr **tb);
151 void device_init_pending(void);
154 device_set_config(struct device *dev, const struct device_type *type,
155 struct blob_attr *attr);
157 void device_reset_config(void);
158 void device_reset_old(void);
160 void device_init_virtual(struct device *dev, const struct device_type *type, const char *name);
161 int device_init(struct device *iface, const struct device_type *type, const char *ifname);
162 void device_cleanup(struct device *iface);
163 struct device *device_get(const char *name, int create);
164 void device_add_user(struct device_user *dep, struct device *iface);
165 void device_remove_user(struct device_user *dep);
167 void device_set_present(struct device *dev, bool state);
168 void device_refresh_present(struct device *dev);
169 int device_claim(struct device_user *dep);
170 void device_release(struct device_user *dep);
171 int device_check_state(struct device *dev);
172 void device_dump_status(struct blob_buf *b, struct device *dev);
174 void device_free(struct device *dev);
175 void device_free_unused(struct device *dev);
177 struct device *get_vlan_device_chain(const char *ifname, bool create);
178 void alias_notify_device(const char *name, struct device *dev);
181 device_set_deferred(struct device *dev, bool value)
183 dev->deferred = value;
184 device_refresh_present(dev);
188 device_set_disabled(struct device *dev, bool value)
190 dev->disabled = value;
191 device_refresh_present(dev);