1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
#include "netifd.h"
#include "device.h"
#include "config.h"
#include "system.h"
struct tunnel {
struct device dev;
device_state_cb set_state;
struct blob_attr *config;
};
static int
tunnel_set_state(struct device *dev, bool up)
{
struct tunnel *tun = container_of(dev, struct tunnel, dev);
int ret;
if (up) {
ret = system_add_ip_tunnel(dev->ifname, tun->config);
if (ret != 0) {
perror("add_ip_tunnel");
return ret;
}
}
ret = tun->set_state(dev, up);
if (ret || !up)
system_del_ip_tunnel(dev->ifname);
return ret;
}
static struct device *
tunnel_create(const char *name, struct blob_attr *attr)
{
struct tunnel *tun;
struct device *dev;
tun = calloc(1, sizeof(*tun));
dev = &tun->dev;
tun->config = config_memdup(attr);
device_init(dev, &tunnel_device_type, name);
tun->set_state = dev->set_state;
dev->set_state = tunnel_set_state;
device_set_present(dev, true);
return dev;
}
static void
tunnel_free(struct device *dev)
{
struct tunnel *tun = container_of(dev, struct tunnel, dev);
free(tun);
}
const struct device_type tunnel_device_type = {
.name = "IP tunnel",
.config_params = &tunnel_attr_list,
.create = tunnel_create,
.free = tunnel_free,
};
|
