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>
24 struct device_hotplug_ops;
27 typedef int (*device_state_cb)(struct device *, bool up);
42 DEV_ATTR_NEIGHREACHABLETIME,
45 DEV_ATTR_DADTRANSMITS,
46 DEV_ATTR_MULTICAST_TO_UNICAST,
47 DEV_ATTR_MULTICAST_ROUTER,
48 DEV_ATTR_MULTICAST_FAST_LEAVE,
51 DEV_ATTR_UNICAST_FLOOD,
52 DEV_ATTR_NEIGHGCSTALETIME,
53 DEV_ATTR_SENDREDIRECTS,
54 DEV_ATTR_NEIGHLOCKTIME,
58 enum dev_change_type {
66 struct list_head list;
69 bool bridge_capability;
70 const char *name_prefix;
72 const struct uci_blob_param_list *config_params;
74 struct device *(*create)(const char *name, struct device_type *devtype,
75 struct blob_attr *attr);
76 void (*config_init)(struct device *);
77 enum dev_change_type (*reload)(struct device *, struct blob_attr *);
78 void (*dump_info)(struct device *, struct blob_buf *buf);
79 void (*dump_stats)(struct device *, struct blob_buf *buf);
80 int (*check_state)(struct device *);
81 void (*free)(struct device *);
85 DEV_OPT_MTU = (1 << 0),
86 DEV_OPT_MACADDR = (1 << 1),
87 DEV_OPT_TXQUEUELEN = (1 << 2),
88 DEV_OPT_IPV6 = (1 << 3),
89 DEV_OPT_PROMISC = (1 << 4),
90 DEV_OPT_RPFILTER = (1 << 5),
91 DEV_OPT_ACCEPTLOCAL = (1 << 6),
92 DEV_OPT_IGMPVERSION = (1 << 7),
93 DEV_OPT_MLDVERSION = (1 << 8),
94 DEV_OPT_NEIGHREACHABLETIME = (1 << 9),
95 DEV_OPT_RPS = (1 << 10),
96 DEV_OPT_XPS = (1 << 11),
97 DEV_OPT_MTU6 = (1 << 12),
98 DEV_OPT_DADTRANSMITS = (1 << 13),
99 DEV_OPT_MULTICAST_TO_UNICAST = (1 << 14),
100 DEV_OPT_MULTICAST_ROUTER = (1 << 15),
101 DEV_OPT_MULTICAST = (1 << 16),
102 DEV_OPT_LEARNING = (1 << 17),
103 DEV_OPT_UNICAST_FLOOD = (1 << 18),
104 DEV_OPT_NEIGHGCSTALETIME = (1 << 19),
105 DEV_OPT_MULTICAST_FAST_LEAVE = (1 << 20),
106 DEV_OPT_SENDREDIRECTS = (1 << 21),
107 DEV_OPT_NEIGHLOCKTIME = (1 << 22),
110 /* events broadcasted to all users of a device */
115 DEV_EVENT_UPDATE_IFNAME,
116 DEV_EVENT_UPDATE_IFINDEX,
126 /* Topology changed (i.e. bridge member added) */
127 DEV_EVENT_TOPO_CHANGE,
133 * device dependency with callbacks
136 struct safe_list list;
142 uint8_t ev_idx[__DEV_EVENT_MAX];
145 void (*cb)(struct device_user *, enum device_event);
148 struct device_settings {
150 unsigned int valid_flags;
153 unsigned int txqueuelen;
157 unsigned int rpfilter;
159 unsigned int igmpversion;
160 unsigned int mldversion;
161 unsigned int neigh4reachabletime;
162 unsigned int neigh6reachabletime;
163 unsigned int neigh4gcstaletime;
164 unsigned int neigh6gcstaletime;
165 unsigned int neigh4locktime;
168 unsigned int dadtransmits;
169 bool multicast_to_unicast;
170 unsigned int multicast_router;
171 bool multicast_fast_leave;
179 * link layer device. typically represents a linux network device.
180 * can be used to support VLANs as well
183 struct device_type *type;
186 struct safe_list users;
187 struct safe_list aliases;
189 char ifname[IFNAMSIZ + 1];
192 struct blob_attr *config;
199 /* DEV_EVENT_LINK_UP */
212 bool wireless_isolate;
214 struct interface *config_iface;
216 /* set interface up or down */
217 device_state_cb set_state;
219 const struct device_hotplug_ops *hotplug_ops;
221 struct device_user parent;
223 struct device_settings orig_settings;
224 struct device_settings settings;
227 struct device_hotplug_ops {
228 int (*prepare)(struct device *dev);
229 int (*add)(struct device *main, struct device *member);
230 int (*del)(struct device *main, struct device *member);
233 extern const struct uci_blob_param_list device_attr_list;
234 extern struct device_type simple_device_type;
235 extern struct device_type tunnel_device_type;
237 void device_lock(void);
238 void device_unlock(void);
240 int device_type_add(struct device_type *devtype);
241 struct device_type *device_type_get(const char *tname);
242 struct device *device_create(const char *name, struct device_type *type,
243 struct blob_attr *config);
244 void device_init_settings(struct device *dev, struct blob_attr **tb);
245 void device_init_pending(void);
248 device_apply_config(struct device *dev, struct device_type *type,
249 struct blob_attr *config);
251 void device_reset_config(void);
252 void device_reset_old(void);
253 void device_set_default_ps(bool state);
255 void device_init_virtual(struct device *dev, struct device_type *type, const char *name);
256 int device_init(struct device *iface, struct device_type *type, const char *ifname);
257 void device_cleanup(struct device *dev);
258 struct device *device_find(const char *name);
259 struct device *device_get(const char *name, int create);
260 void device_add_user(struct device_user *dep, struct device *iface);
261 void device_remove_user(struct device_user *dep);
262 void device_broadcast_event(struct device *dev, enum device_event ev);
264 void device_set_present(struct device *dev, bool state);
265 void device_set_link(struct device *dev, bool state);
266 void device_set_ifindex(struct device *dev, int ifindex);
267 int device_set_ifname(struct device *dev, const char *name);
268 void device_refresh_present(struct device *dev);
269 int device_claim(struct device_user *dep);
270 void device_release(struct device_user *dep);
271 int device_check_state(struct device *dev);
272 void device_dump_status(struct blob_buf *b, struct device *dev);
274 void device_free(struct device *dev);
275 void device_free_unused(struct device *dev);
277 struct device *get_vlan_device_chain(const char *ifname, bool create);
278 void alias_notify_device(const char *name, struct device *dev);
279 struct device *device_alias_get(const char *name);
282 device_set_deferred(struct device *dev, bool value)
284 dev->deferred = value;
285 device_refresh_present(dev);
289 device_set_disabled(struct device *dev, bool value)
291 dev->disabled = value;
292 device_refresh_present(dev);