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 const struct uci_blob_param_list *config_params;
63 struct device *(*create)(const char *name, struct blob_attr *attr);
64 void (*config_init)(struct device *);
65 enum dev_change_type (*reload)(struct device *, struct blob_attr *);
66 void (*dump_info)(struct device *, struct blob_buf *buf);
67 void (*dump_stats)(struct device *, struct blob_buf *buf);
68 int (*check_state)(struct device *);
69 void (*free)(struct device *);
73 DEV_OPT_MTU = (1 << 0),
74 DEV_OPT_MACADDR = (1 << 1),
75 DEV_OPT_TXQUEUELEN = (1 << 2),
76 DEV_OPT_IPV6 = (1 << 3),
77 DEV_OPT_PROMISC = (1 << 4),
78 DEV_OPT_RPFILTER = (1 << 5),
79 DEV_OPT_ACCEPTLOCAL = (1 << 6),
80 DEV_OPT_IGMPVERSION = (1 << 7),
81 DEV_OPT_MLDVERSION = (1 << 8),
82 DEV_OPT_NEIGHREACHABLETIME = (1 << 9),
83 DEV_OPT_RPS = (1 << 10),
84 DEV_OPT_XPS = (1 << 11),
85 DEV_OPT_MTU6 = (1 << 12),
86 DEV_OPT_DADTRANSMITS = (1 << 13),
87 DEV_OPT_MULTICAST_TO_UNICAST = (1 << 14),
88 DEV_OPT_MULTICAST_ROUTER = (1 << 15),
91 /* events broadcasted to all users of a device */
96 DEV_EVENT_UPDATE_IFNAME,
97 DEV_EVENT_UPDATE_IFINDEX,
107 /* Topology changed (i.e. bridge member added) */
108 DEV_EVENT_TOPO_CHANGE,
114 * device dependency with callbacks
117 struct safe_list list;
123 uint8_t ev_idx[__DEV_EVENT_MAX];
126 void (*cb)(struct device_user *, enum device_event);
129 struct device_settings {
133 unsigned int txqueuelen;
137 unsigned int rpfilter;
139 unsigned int igmpversion;
140 unsigned int mldversion;
141 unsigned int neigh4reachabletime;
142 unsigned int neigh6reachabletime;
145 unsigned int dadtransmits;
146 bool multicast_to_unicast;
147 unsigned int multicast_router;
151 * link layer device. typically represents a linux network device.
152 * can be used to support VLANs as well
155 const struct device_type *type;
158 struct safe_list users;
159 struct safe_list aliases;
161 char ifname[IFNAMSIZ + 1];
164 struct blob_attr *config;
171 /* DEV_EVENT_LINK_UP */
184 bool wireless_isolate;
186 struct interface *config_iface;
188 /* set interface up or down */
189 device_state_cb set_state;
191 const struct device_hotplug_ops *hotplug_ops;
193 struct device_user parent;
195 struct device_settings orig_settings;
196 struct device_settings settings;
199 struct device_hotplug_ops {
200 int (*prepare)(struct device *dev);
201 int (*add)(struct device *main, struct device *member);
202 int (*del)(struct device *main, struct device *member);
205 extern const struct uci_blob_param_list device_attr_list;
206 extern const struct device_type simple_device_type;
207 extern const struct device_type bridge_device_type;
208 extern const struct device_type tunnel_device_type;
209 extern const struct device_type macvlan_device_type;
210 extern const struct device_type vlandev_device_type;
212 void device_lock(void);
213 void device_unlock(void);
215 struct device *device_create(const char *name, const struct device_type *type,
216 struct blob_attr *config);
217 void device_init_settings(struct device *dev, struct blob_attr **tb);
218 void device_init_pending(void);
221 device_apply_config(struct device *dev, const struct device_type *type,
222 struct blob_attr *config);
224 void device_reset_config(void);
225 void device_reset_old(void);
226 void device_set_default_ps(bool state);
228 void device_init_virtual(struct device *dev, const struct device_type *type, const char *name);
229 int device_init(struct device *iface, const struct device_type *type, const char *ifname);
230 void device_cleanup(struct device *iface);
231 struct device *device_get(const char *name, int create);
232 void device_add_user(struct device_user *dep, struct device *iface);
233 void device_remove_user(struct device_user *dep);
234 void device_broadcast_event(struct device *dev, enum device_event ev);
236 void device_set_present(struct device *dev, bool state);
237 void device_set_link(struct device *dev, bool state);
238 void device_set_ifindex(struct device *dev, int ifindex);
239 void device_refresh_present(struct device *dev);
240 int device_claim(struct device_user *dep);
241 void device_release(struct device_user *dep);
242 int device_check_state(struct device *dev);
243 void device_dump_status(struct blob_buf *b, struct device *dev);
245 void device_free(struct device *dev);
246 void device_free_unused(struct device *dev);
248 struct device *get_vlan_device_chain(const char *ifname, bool create);
249 void alias_notify_device(const char *name, struct device *dev);
250 struct device *device_alias_get(const char *name);
253 device_set_deferred(struct device *dev, bool value)
255 dev->deferred = value;
256 device_refresh_present(dev);
260 device_set_disabled(struct device *dev, bool value)
262 dev->disabled = value;
263 device_refresh_present(dev);