1 #include <netlink/netlink.h>
2 #include <netlink/route/link.h>
3 #include <netlink/route/link/vlan.h>
4
5 #include <linux/netlink.h>
6
main(int argc,char * argv[])7 int main(int argc, char *argv[])
8 {
9 struct rtnl_link *link;
10 struct nl_cache *link_cache;
11 struct nl_sock *sk;
12 int err, master_index;
13
14 sk = nl_socket_alloc();
15 if ((err = nl_connect(sk, NETLINK_ROUTE)) < 0) {
16 nl_perror(err, "Unable to connect socket");
17 return err;
18 }
19
20 if ((err = rtnl_link_alloc_cache(sk, AF_UNSPEC, &link_cache)) < 0) {
21 nl_perror(err, "Unable to allocate cache");
22 return err;
23 }
24
25 if (!(master_index = rtnl_link_name2i(link_cache, "eth0"))) {
26 fprintf(stderr, "Unable to lookup eth0");
27 return -1;
28 }
29
30 link = rtnl_link_vlan_alloc();
31
32 rtnl_link_set_link(link, master_index);
33
34 rtnl_link_vlan_set_id(link, 10);
35
36 if ((err = rtnl_link_add(sk, link, NLM_F_CREATE)) < 0) {
37 nl_perror(err, "Unable to add link");
38 return err;
39 }
40
41 rtnl_link_put(link);
42 nl_close(sk);
43
44 return 0;
45 }
46