system-dummy: set present state only for simple devices
[project/netifd.git] / system-dummy.c
1 /*
2 * netifd - network interface daemon
3 * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
4 *
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
8 *
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.
13 */
14 #include <sys/time.h>
15 #include <stdio.h>
16 #include <string.h>
17
18 #include <arpa/inet.h>
19
20 #ifndef DEBUG
21 #define DEBUG
22 #endif
23
24 #include "netifd.h"
25 #include "device.h"
26 #include "system.h"
27
28 int system_init(void)
29 {
30 return 0;
31 }
32
33 int system_bridge_addbr(struct device *bridge, struct bridge_config *cfg)
34 {
35 D(SYSTEM, "brctl addbr %s vlan_filtering=%d\n",
36 bridge->ifname, cfg->vlan_filtering);
37 return 0;
38 }
39
40 int system_bridge_delbr(struct device *bridge)
41 {
42 D(SYSTEM, "brctl delbr %s\n", bridge->ifname);
43 return 0;
44 }
45
46 int system_bridge_addif(struct device *bridge, struct device *dev)
47 {
48 D(SYSTEM, "brctl addif %s %s\n", bridge->ifname, dev->ifname);
49 return 0;
50 }
51
52 int system_bridge_delif(struct device *bridge, struct device *dev)
53 {
54 D(SYSTEM, "brctl delif %s %s\n", bridge->ifname, dev->ifname);
55 return 0;
56 }
57
58 int system_bridge_vlan(const char *iface, uint16_t vid, bool add, unsigned int vflags)
59 {
60 D(SYSTEM, "brctl vlan %s %s %s vid=%d pvid=%d untag=%d\n",
61 add ? "add" : "remove",
62 (vflags & BRVLAN_F_SELF) ? "self" : "master",
63 iface, vid,
64 !!(vflags & BRVLAN_F_PVID),
65 !!(vflags & BRVLAN_F_UNTAGGED));
66 return 0;
67 }
68
69 int system_link_netns_move(struct device *dev, int netns_fd, const char *target_ifname)
70 {
71 D(SYSTEM, "ip link set %s name %s netns %d\n", dev->ifname, target_ifname, netns_fd);
72 return 0;
73 }
74
75 int system_netns_open(const pid_t target_ns)
76 {
77 D(SYSTEM, "open netns of pid %d\n", target_ns);
78 return 1;
79 }
80
81 int system_netns_set(int netns_fd)
82 {
83 D(SYSTEM, "set netns %d\n", netns_fd);
84 return 0;
85 }
86
87 int system_vlan_add(struct device *dev, int id)
88 {
89 D(SYSTEM, "vconfig add %s %d\n", dev->ifname, id);
90 return 0;
91 }
92
93 int system_vlan_del(struct device *dev)
94 {
95 D(SYSTEM, "vconfig rem %s\n", dev->ifname);
96 return 0;
97 }
98
99 bool system_if_force_external(const char *ifname)
100 {
101 return false;
102 }
103
104 int system_if_up(struct device *dev)
105 {
106 D(SYSTEM, "ifconfig %s up\n", dev->ifname);
107 return 0;
108 }
109
110 int system_if_down(struct device *dev)
111 {
112 D(SYSTEM, "ifconfig %s down\n", dev->ifname);
113 return 0;
114 }
115
116 void system_if_get_settings(struct device *dev, struct device_settings *s)
117 {
118 }
119
120 void system_if_clear_state(struct device *dev)
121 {
122 device_set_ifindex(dev, system_if_resolve(dev));
123 }
124
125 int system_if_check(struct device *dev)
126 {
127 if (dev->type == &simple_device_type)
128 device_set_present(dev, true);
129
130 device_set_link(dev, true);
131
132 return 0;
133 }
134
135 int system_if_resolve(struct device *dev)
136 {
137 return 1;
138 }
139
140 struct device *
141 system_if_get_parent(struct device *dev)
142 {
143 return NULL;
144 }
145
146 int
147 system_if_dump_info(struct device *dev, struct blob_buf *b)
148 {
149 blobmsg_add_u8(b, "link", dev->present);
150 return 0;
151 }
152
153 int
154 system_if_dump_stats(struct device *dev, struct blob_buf *b)
155 {
156 return 0;
157 }
158
159 void
160 system_if_apply_settings(struct device *dev, struct device_settings *s, unsigned int apply_mask)
161 {
162 }
163
164 static int system_address_msg(struct device *dev, struct device_addr *addr, const char *type)
165 {
166 char ipaddr[64];
167 int af = system_get_addr_family(addr->flags);
168
169 D(SYSTEM, "ifconfig %s %s %s/%u\n",
170 dev->ifname, type, inet_ntop(af, &addr->addr.in, ipaddr, sizeof(ipaddr)),
171 addr->mask);
172
173 return 0;
174 }
175
176 int system_add_address(struct device *dev, struct device_addr *addr)
177 {
178 return system_address_msg(dev, addr, "add");
179 }
180
181 int system_del_address(struct device *dev, struct device_addr *addr)
182 {
183 return system_address_msg(dev, addr, "del");
184 }
185
186 static int system_route_msg(struct device *dev, struct device_route *route, const char *type)
187 {
188 char addr[64], gw[64] = " gw ", devstr[64] = "";
189 int af = system_get_addr_family(route->flags);
190 int alen = system_get_addr_len(route->flags);
191 static uint32_t zero_addr[4];
192
193 if ((route->flags & DEVADDR_FAMILY) != DEVADDR_INET4)
194 return -1;
195
196 if (!route->mask)
197 sprintf(addr, "default");
198 else
199 inet_ntop(af, &route->addr.in, addr, sizeof(addr));
200
201 if (memcmp(&route->nexthop.in, (void *) zero_addr, alen) != 0)
202 inet_ntop(af, &route->nexthop.in, gw + 4, sizeof(gw) - 4);
203 else
204 gw[0] = 0;
205
206 if (dev)
207 sprintf(devstr, " dev %s", dev->ifname);
208
209 if (route->metric > 0)
210 sprintf(devstr, " metric %d", route->metric);
211
212 D(SYSTEM, "route %s %s%s%s\n", type, addr, gw, devstr);
213 return 0;
214 }
215
216 static int system_neighbor_msg(struct device *dev, struct device_neighbor *neighbor, const char *type)
217 {
218 char addr[64];
219 int af = system_get_addr_family(neighbor->flags);
220 inet_ntop(af, &neighbor->addr.in , addr, sizeof(addr));
221
222 D(SYSTEM, "neigh %s %s%s%s %s\n", type, addr, neighbor->proxy ? "proxy " : "",
223 (neighbor->flags & DEVNEIGH_MAC) ? format_macaddr(neighbor->macaddr) : "",
224 neighbor->router ? "router": "");
225 return 0;
226 }
227
228 int system_add_neighbor(struct device *dev, struct device_neighbor *neighbor)
229 {
230 return system_neighbor_msg(dev, neighbor, "add");
231 }
232
233 int system_del_neighbor(struct device *dev, struct device_neighbor *neighbor)
234 {
235 return system_neighbor_msg(dev, neighbor, "del");
236 }
237
238 int system_add_route(struct device *dev, struct device_route *route)
239 {
240 return system_route_msg(dev, route, "add");
241 }
242
243 int system_del_route(struct device *dev, struct device_route *route)
244 {
245 return system_route_msg(dev, route, "del");
246 }
247
248 int system_flush_routes(void)
249 {
250 return 0;
251 }
252
253 bool system_resolve_rt_type(const char *type, unsigned int *id)
254 {
255 *id = 0;
256 return true;
257 }
258
259 bool system_resolve_rt_proto(const char *type, unsigned int *id)
260 {
261 *id = 0;
262 return true;
263 }
264
265 bool system_resolve_rt_table(const char *name, unsigned int *id)
266 {
267 *id = 0;
268 return true;
269 }
270
271 bool system_is_default_rt_table(unsigned int id)
272 {
273 return true;
274 }
275
276 bool system_resolve_rpfilter(const char *filter, unsigned int *id)
277 {
278 *id = 0;
279 return true;
280 }
281
282 int system_add_iprule(struct iprule *rule)
283 {
284 return 0;
285 }
286
287 int system_del_iprule(struct iprule *rule)
288 {
289 return 0;
290 }
291
292 int system_flush_iprules(void)
293 {
294 return 0;
295 }
296
297 bool system_resolve_iprule_action(const char *action, unsigned int *id)
298 {
299 *id = 0;
300 return true;
301 }
302
303 time_t system_get_rtime(void)
304 {
305 struct timeval tv;
306
307 if (gettimeofday(&tv, NULL) == 0)
308 return tv.tv_sec;
309
310 return 0;
311 }
312
313 int system_del_ip_tunnel(const char *name, struct blob_attr *attr)
314 {
315 return 0;
316 }
317
318 int system_add_ip_tunnel(const char *name, struct blob_attr *attr)
319 {
320 return 0;
321 }
322
323 int system_update_ipv6_mtu(struct device *dev, int mtu)
324 {
325 return 0;
326 }
327
328 int system_macvlan_add(struct device *macvlan, struct device *dev, struct macvlan_config *cfg)
329 {
330 return 0;
331 }
332
333 int system_macvlan_del(struct device *macvlan)
334 {
335 return 0;
336 }
337
338 int system_veth_add(struct device *veth, struct veth_config *cfg)
339 {
340 return 0;
341 }
342
343 int system_veth_del(struct device *veth)
344 {
345 return 0;
346 }
347
348 int system_vlandev_add(struct device *vlandev, struct device *dev, struct vlandev_config *cfg)
349 {
350 return 0;
351 }
352
353 int system_vlandev_del(struct device *vlandev)
354 {
355 return 0;
356 }