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 <libubox/kvlist.h>
20 #include <netinet/in.h>
25 struct device_hotplug_ops
;
29 typedef int (*device_state_cb
)(struct device
*, bool up
);
44 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
,
56 DEV_ATTR_IP6SEGMENTROUTING
,
57 DEV_ATTR_DROP_V4_UNICAST_IN_L2_MULTICAST
,
58 DEV_ATTR_DROP_V6_UNICAST_IN_L2_MULTICAST
,
59 DEV_ATTR_DROP_GRATUITOUS_ARP
,
60 DEV_ATTR_DROP_UNSOLICITED_NA
,
69 enum dev_change_type
{
77 struct list_head list
;
80 bool bridge_capability
;
81 const char *name_prefix
;
83 const struct uci_blob_param_list
*config_params
;
85 struct device
*(*create
)(const char *name
, struct device_type
*devtype
,
86 struct blob_attr
*attr
);
87 void (*config_init
)(struct device
*);
88 enum dev_change_type (*reload
)(struct device
*, struct blob_attr
*);
89 void (*vlan_update
)(struct device
*);
90 void (*dump_info
)(struct device
*, struct blob_buf
*buf
);
91 void (*dump_stats
)(struct device
*, struct blob_buf
*buf
);
92 int (*check_state
)(struct device
*);
93 void (*stp_init
)(struct device
*);
94 void (*free
)(struct device
*);
98 DEV_OPT_MTU
= (1ULL << 0),
99 DEV_OPT_MACADDR
= (1ULL << 1),
100 DEV_OPT_TXQUEUELEN
= (1ULL << 2),
101 DEV_OPT_IPV6
= (1ULL << 3),
102 DEV_OPT_PROMISC
= (1ULL << 4),
103 DEV_OPT_RPFILTER
= (1ULL << 5),
104 DEV_OPT_ACCEPTLOCAL
= (1ULL << 6),
105 DEV_OPT_IGMPVERSION
= (1ULL << 7),
106 DEV_OPT_MLDVERSION
= (1ULL << 8),
107 DEV_OPT_NEIGHREACHABLETIME
= (1ULL << 9),
108 DEV_OPT_DEFAULT_MACADDR
= (1ULL << 10),
109 DEV_OPT_AUTH
= (1ULL << 11),
110 DEV_OPT_MTU6
= (1ULL << 12),
111 DEV_OPT_DADTRANSMITS
= (1ULL << 13),
112 DEV_OPT_MULTICAST_TO_UNICAST
= (1ULL << 14),
113 DEV_OPT_MULTICAST_ROUTER
= (1ULL << 15),
114 DEV_OPT_MULTICAST
= (1ULL << 16),
115 DEV_OPT_LEARNING
= (1ULL << 17),
116 DEV_OPT_UNICAST_FLOOD
= (1ULL << 18),
117 DEV_OPT_NEIGHGCSTALETIME
= (1ULL << 19),
118 DEV_OPT_MULTICAST_FAST_LEAVE
= (1ULL << 20),
119 DEV_OPT_SENDREDIRECTS
= (1ULL << 21),
120 DEV_OPT_NEIGHLOCKTIME
= (1ULL << 22),
121 DEV_OPT_ISOLATE
= (1ULL << 23),
122 DEV_OPT_IP6SEGMENTROUTING
= (1ULL << 24),
123 DEV_OPT_DROP_V4_UNICAST_IN_L2_MULTICAST
= (1ULL << 25),
124 DEV_OPT_DROP_V6_UNICAST_IN_L2_MULTICAST
= (1ULL << 26),
125 DEV_OPT_DROP_GRATUITOUS_ARP
= (1ULL << 27),
126 DEV_OPT_DROP_UNSOLICITED_NA
= (1ULL << 28),
127 DEV_OPT_ARP_ACCEPT
= (1ULL << 29),
128 DEV_OPT_SPEED
= (1ULL << 30),
129 DEV_OPT_DUPLEX
= (1ULL << 31),
132 /* events broadcasted to all users of a device */
137 DEV_EVENT_UPDATE_IFNAME
,
138 DEV_EVENT_UPDATE_IFINDEX
,
149 /* Topology changed (i.e. bridge member added) */
150 DEV_EVENT_TOPO_CHANGE
,
156 * device dependency with callbacks
159 struct safe_list list
;
165 uint8_t ev_idx
[__DEV_EVENT_MAX
];
168 void (*cb
)(struct device_user
*, enum device_event
);
171 struct device_settings
{
173 uint64_t valid_flags
;
176 unsigned int txqueuelen
;
180 unsigned int rpfilter
;
182 unsigned int igmpversion
;
183 unsigned int mldversion
;
184 unsigned int neigh4reachabletime
;
185 unsigned int neigh6reachabletime
;
186 unsigned int neigh4gcstaletime
;
187 unsigned int neigh6gcstaletime
;
189 unsigned int dadtransmits
;
190 bool multicast_to_unicast
;
191 unsigned int multicast_router
;
192 bool multicast_fast_leave
;
197 bool ip6segmentrouting
;
199 bool drop_v4_unicast_in_l2_multicast
;
200 bool drop_v6_unicast_in_l2_multicast
;
201 bool drop_gratuitous_arp
;
202 bool drop_unsolicited_na
;
209 struct device_vlan_range
{
214 * link layer device. typically represents a linux network device.
215 * can be used to support VLANs as well
218 struct device_type
*type
;
221 struct safe_list users
;
222 struct safe_list aliases
;
224 struct vlist_tree vlans
;
225 struct kvlist vlan_aliases
;
227 char ifname
[IFNAMSIZ
];
230 struct blob_attr
*config
;
237 /* DEV_EVENT_LINK_UP */
251 bool wireless_proxyarp
;
252 bool wireless_isolate
;
255 struct interface
*config_iface
;
256 struct device_vlan_range
*extra_vlan
;
259 /* set interface up or down */
260 device_state_cb set_state
;
262 const struct device_hotplug_ops
*hotplug_ops
;
264 struct device_user parent
;
266 struct device_settings orig_settings
;
267 struct device_settings settings
;
270 struct device_hotplug_ops
{
271 int (*prepare
)(struct device
*dev
, struct device
**bridge_dev
);
272 int (*add
)(struct device
*main
, struct device
*member
, struct blob_attr
*vlan
);
273 int (*del
)(struct device
*main
, struct device
*member
, struct blob_attr
*vlan
);
276 enum bridge_vlan_flags
{
277 BRVLAN_F_SELF
= (1 << 0),
278 BRVLAN_F_PVID
= (1 << 1),
279 BRVLAN_F_UNTAGGED
= (1 << 2),
282 struct bridge_vlan_port
{
288 struct bridge_vlan_hotplug_port
{
289 struct list_head list
;
290 struct bridge_vlan_port port
;
294 struct vlist_node node
;
296 struct bridge_vlan_port
*ports
;
299 struct list_head hotplug_ports
;
306 extern const struct uci_blob_param_list device_attr_list
;
307 extern struct device_type simple_device_type
;
308 extern struct device_type tunnel_device_type
;
310 void device_vlan_update(bool done
);
311 void device_stp_init(void);
313 int device_type_add(struct device_type
*devtype
);
314 struct device_type
*device_type_get(const char *tname
);
315 struct device
*device_create(const char *name
, struct device_type
*type
,
316 struct blob_attr
*config
);
317 void device_merge_settings(struct device
*dev
, struct device_settings
*n
);
318 void device_init_settings(struct device
*dev
, struct blob_attr
**tb
);
319 void device_init_pending(void);
322 device_apply_config(struct device
*dev
, struct device_type
*type
,
323 struct blob_attr
*config
);
325 void device_reset_config(void);
326 void device_reset_old(void);
328 int device_init_virtual(struct device
*dev
, struct device_type
*type
, const char *name
);
329 int device_init(struct device
*dev
, struct device_type
*type
, const char *ifname
);
330 void device_cleanup(struct device
*dev
);
331 struct device
*device_find(const char *name
);
333 struct device
*__device_get(const char *name
, int create
, bool check_vlan
);
334 static inline struct device
*device_get(const char *name
, int create
)
336 return __device_get(name
, create
, true);
339 void device_add_user(struct device_user
*dep
, struct device
*dev
);
340 void device_remove_user(struct device_user
*dep
);
341 void device_broadcast_event(struct device
*dev
, enum device_event ev
);
343 void device_set_present(struct device
*dev
, bool state
);
344 void device_set_link(struct device
*dev
, bool state
);
345 void device_set_ifindex(struct device
*dev
, int ifindex
);
346 int device_set_ifname(struct device
*dev
, const char *name
);
347 void device_refresh_present(struct device
*dev
);
348 int device_claim(struct device_user
*dep
);
349 void device_release(struct device_user
*dep
);
350 int device_check_state(struct device
*dev
);
351 void device_dump_status(struct blob_buf
*b
, struct device
*dev
);
353 void device_free_unused(void);
355 struct device
*get_vlan_device_chain(const char *ifname
, int create
);
356 void alias_notify_device(const char *name
, struct device
*dev
);
357 struct device
*device_alias_get(const char *name
);
359 void device_set_auth_status(struct device
*dev
, bool value
);
362 device_set_deferred(struct device
*dev
, bool value
)
364 dev
->deferred
= value
;
365 device_refresh_present(dev
);
369 device_set_disabled(struct device
*dev
, bool value
)
371 dev
->disabled
= value
;
372 device_refresh_present(dev
);
376 device_link_active(struct device
*dev
)
378 if (dev
->settings
.auth
&& !dev
->auth_status
)
381 return dev
->link_active
;
384 bool device_check_ip6segmentrouting(void);
385 void device_hotplug_event(const char *name
, bool add
);