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.
14 #ifndef __NETIFD_DEVICE_H
15 #define __NETIFD_DEVICE_H
17 #include <libubox/avl.h>
18 #include <libubox/safe_list.h>
19 #include <netinet/in.h>
23 struct device_hotplug_ops;
25 typedef int (*device_state_cb)(struct device *, bool up);
40 DEV_ATTR_NEIGHREACHABLETIME,
46 enum dev_change_type {
54 struct list_head list;
57 bool keep_link_status;
59 const struct uci_blob_param_list *config_params;
61 struct device *(*create)(const char *name, struct blob_attr *attr);
62 void (*config_init)(struct device *);
63 enum dev_change_type (*reload)(struct device *, struct blob_attr *);
64 void (*dump_info)(struct device *, struct blob_buf *buf);
65 void (*dump_stats)(struct device *, struct blob_buf *buf);
66 int (*check_state)(struct device *);
67 void (*free)(struct device *);
71 DEV_OPT_MTU = (1 << 0),
72 DEV_OPT_MACADDR = (1 << 1),
73 DEV_OPT_TXQUEUELEN = (1 << 2),
74 DEV_OPT_IPV6 = (1 << 3),
75 DEV_OPT_PROMISC = (1 << 4),
76 DEV_OPT_RPFILTER = (1 << 5),
77 DEV_OPT_ACCEPTLOCAL = (1 << 6),
78 DEV_OPT_IGMPVERSION = (1 << 7),
79 DEV_OPT_MLDVERSION = (1 << 8),
80 DEV_OPT_NEIGHREACHABLETIME = (1 << 9),
83 /* events broadcasted to all users of a device */
88 DEV_EVENT_UPDATE_IFNAME,
89 DEV_EVENT_UPDATE_IFINDEX,
99 /* Topology changed (i.e. bridge member added) */
100 DEV_EVENT_TOPO_CHANGE,
106 * device dependency with callbacks
109 struct safe_list list;
115 uint8_t ev_idx[__DEV_EVENT_MAX];
118 void (*cb)(struct device_user *, enum device_event);
121 struct device_settings {
124 unsigned int txqueuelen;
128 unsigned int rpfilter;
130 unsigned int igmpversion;
131 unsigned int mldversion;
132 unsigned int neigh4reachabletime;
133 unsigned int neigh6reachabletime;
139 * link layer device. typically represents a linux network device.
140 * can be used to support VLANs as well
143 const struct device_type *type;
146 struct safe_list users;
147 struct safe_list aliases;
149 char ifname[IFNAMSIZ + 1];
152 struct blob_attr *config;
168 /* set interface up or down */
169 device_state_cb set_state;
171 const struct device_hotplug_ops *hotplug_ops;
173 struct device_user parent;
175 struct device_settings orig_settings;
176 struct device_settings settings;
179 struct device_hotplug_ops {
180 int (*prepare)(struct device *dev);
181 int (*add)(struct device *main, struct device *member);
182 int (*del)(struct device *main, struct device *member);
185 extern const struct uci_blob_param_list device_attr_list;
186 extern const struct device_type simple_device_type;
187 extern const struct device_type bridge_device_type;
188 extern const struct device_type tunnel_device_type;
189 extern const struct device_type macvlan_device_type;
190 extern const struct device_type vlandev_device_type;
192 void device_lock(void);
193 void device_unlock(void);
195 struct device *device_create(const char *name, const struct device_type *type,
196 struct blob_attr *config);
197 void device_init_settings(struct device *dev, struct blob_attr **tb);
198 void device_init_pending(void);
201 device_apply_config(struct device *dev, const struct device_type *type,
202 struct blob_attr *config);
204 void device_reset_config(void);
205 void device_reset_old(void);
207 void device_init_virtual(struct device *dev, const struct device_type *type, const char *name);
208 int device_init(struct device *iface, const struct device_type *type, const char *ifname);
209 void device_cleanup(struct device *iface);
210 struct device *device_get(const char *name, int create);
211 void device_add_user(struct device_user *dep, struct device *iface);
212 void device_remove_user(struct device_user *dep);
213 void device_broadcast_event(struct device *dev, enum device_event ev);
215 void device_set_present(struct device *dev, bool state);
216 void device_set_link(struct device *dev, bool state);
217 void device_set_ifindex(struct device *dev, int ifindex);
218 void device_refresh_present(struct device *dev);
219 int device_claim(struct device_user *dep);
220 void device_release(struct device_user *dep);
221 int device_check_state(struct device *dev);
222 void device_dump_status(struct blob_buf *b, struct device *dev);
224 void device_free(struct device *dev);
225 void device_free_unused(struct device *dev);
227 struct device *get_vlan_device_chain(const char *ifname, bool create);
228 void alias_notify_device(const char *name, struct device *dev);
229 struct device *device_alias_get(const char *name);
232 device_set_deferred(struct device *dev, bool value)
234 dev->deferred = value;
235 device_refresh_present(dev);
239 device_set_disabled(struct device *dev, bool value)
241 dev->disabled = value;
242 device_refresh_present(dev);