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;
26 typedef int (*device_state_cb)(struct device *, bool up);
41 DEV_ATTR_NEIGHREACHABLETIME,
44 DEV_ATTR_DADTRANSMITS,
45 DEV_ATTR_MULTICAST_TO_UNICAST,
46 DEV_ATTR_MULTICAST_ROUTER,
50 enum dev_change_type {
58 struct list_head list;
61 bool keep_link_status;
63 const struct uci_blob_param_list *config_params;
65 struct device *(*create)(const char *name, struct blob_attr *attr);
66 void (*config_init)(struct device *);
67 enum dev_change_type (*reload)(struct device *, struct blob_attr *);
68 void (*dump_info)(struct device *, struct blob_buf *buf);
69 void (*dump_stats)(struct device *, struct blob_buf *buf);
70 int (*check_state)(struct device *);
71 void (*free)(struct device *);
75 DEV_OPT_MTU = (1 << 0),
76 DEV_OPT_MACADDR = (1 << 1),
77 DEV_OPT_TXQUEUELEN = (1 << 2),
78 DEV_OPT_IPV6 = (1 << 3),
79 DEV_OPT_PROMISC = (1 << 4),
80 DEV_OPT_RPFILTER = (1 << 5),
81 DEV_OPT_ACCEPTLOCAL = (1 << 6),
82 DEV_OPT_IGMPVERSION = (1 << 7),
83 DEV_OPT_MLDVERSION = (1 << 8),
84 DEV_OPT_NEIGHREACHABLETIME = (1 << 9),
85 DEV_OPT_RPS = (1 << 10),
86 DEV_OPT_XPS = (1 << 11),
87 DEV_OPT_MTU6 = (1 << 12),
88 DEV_OPT_DADTRANSMITS = (1 << 13),
89 DEV_OPT_MULTICAST_TO_UNICAST = (1 << 14),
90 DEV_OPT_MULTICAST_ROUTER = (1 << 15),
93 /* events broadcasted to all users of a device */
98 DEV_EVENT_UPDATE_IFNAME,
99 DEV_EVENT_UPDATE_IFINDEX,
109 /* Topology changed (i.e. bridge member added) */
110 DEV_EVENT_TOPO_CHANGE,
116 * device dependency with callbacks
119 struct safe_list list;
125 uint8_t ev_idx[__DEV_EVENT_MAX];
128 void (*cb)(struct device_user *, enum device_event);
131 struct device_settings {
135 unsigned int txqueuelen;
139 unsigned int rpfilter;
141 unsigned int igmpversion;
142 unsigned int mldversion;
143 unsigned int neigh4reachabletime;
144 unsigned int neigh6reachabletime;
147 unsigned int dadtransmits;
148 bool multicast_to_unicast;
149 unsigned int multicast_router;
153 * link layer device. typically represents a linux network device.
154 * can be used to support VLANs as well
157 const struct device_type *type;
160 struct safe_list users;
161 struct safe_list aliases;
163 char ifname[IFNAMSIZ + 1];
166 struct blob_attr *config;
173 /* DEV_EVENT_LINK_UP */
185 bool wireless_isolate;
187 struct interface *config_iface;
189 /* set interface up or down */
190 device_state_cb set_state;
192 const struct device_hotplug_ops *hotplug_ops;
194 struct device_user parent;
196 struct device_settings orig_settings;
197 struct device_settings settings;
200 struct device_hotplug_ops {
201 int (*prepare)(struct device *dev);
202 int (*add)(struct device *main, struct device *member);
203 int (*del)(struct device *main, struct device *member);
206 extern const struct uci_blob_param_list device_attr_list;
207 extern const struct device_type simple_device_type;
208 extern const struct device_type bridge_device_type;
209 extern const struct device_type tunnel_device_type;
210 extern const struct device_type macvlan_device_type;
211 extern const struct device_type vlandev_device_type;
213 void device_lock(void);
214 void device_unlock(void);
216 struct device *device_create(const char *name, const struct device_type *type,
217 struct blob_attr *config);
218 void device_init_settings(struct device *dev, struct blob_attr **tb);
219 void device_init_pending(void);
222 device_apply_config(struct device *dev, const struct device_type *type,
223 struct blob_attr *config);
225 void device_reset_config(void);
226 void device_reset_old(void);
227 void device_set_default_ps(bool state);
229 void device_init_virtual(struct device *dev, const struct device_type *type, const char *name);
230 int device_init(struct device *iface, const struct device_type *type, const char *ifname);
231 void device_cleanup(struct device *iface);
232 struct device *device_get(const char *name, int create);
233 void device_add_user(struct device_user *dep, struct device *iface);
234 void device_remove_user(struct device_user *dep);
235 void device_broadcast_event(struct device *dev, enum device_event ev);
237 void device_set_present(struct device *dev, bool state);
238 void device_set_link(struct device *dev, bool state);
239 void device_set_ifindex(struct device *dev, int ifindex);
240 void device_refresh_present(struct device *dev);
241 int device_claim(struct device_user *dep);
242 void device_release(struct device_user *dep);
243 int device_check_state(struct device *dev);
244 void device_dump_status(struct blob_buf *b, struct device *dev);
246 void device_free(struct device *dev);
247 void device_free_unused(struct device *dev);
249 struct device *get_vlan_device_chain(const char *ifname, bool create);
250 void alias_notify_device(const char *name, struct device *dev);
251 struct device *device_alias_get(const char *name);
254 device_set_deferred(struct device *dev, bool value)
256 dev->deferred = value;
257 device_refresh_present(dev);
261 device_set_disabled(struct device *dev, bool value)
263 dev->disabled = value;
264 device_refresh_present(dev);