1 #include <netinet/ether.h>
2
3 #include <netlink/netlink.h>
4 #include <netlink/route/link.h>
5 #include <netlink/route/link/macvtap.h>
6
7 #include <linux/netlink.h>
8
main(int argc,char * argv[])9 int main(int argc, char *argv[])
10 {
11 struct rtnl_link *link;
12 struct nl_cache *link_cache;
13 struct nl_sock *sk;
14 struct nl_addr* addr;
15 int err, master_index;
16
17 sk = nl_socket_alloc();
18 if ((err = nl_connect(sk, NETLINK_ROUTE)) < 0) {
19 nl_perror(err, "Unable to connect socket");
20 return err;
21 }
22
23 if ((err = rtnl_link_alloc_cache(sk, AF_UNSPEC, &link_cache)) < 0) {
24 nl_perror(err, "Unable to allocate cache");
25 return err;
26 }
27
28 if (!(master_index = rtnl_link_name2i(link_cache, "eth0"))) {
29 fprintf(stderr, "Unable to lookup eth0");
30 return -1;
31 }
32
33 link = rtnl_link_macvtap_alloc();
34
35 rtnl_link_set_link(link, master_index);
36
37 addr = nl_addr_build(AF_LLC, ether_aton("00:11:22:33:44:55"), ETH_ALEN);
38 rtnl_link_set_addr(link, addr);
39 nl_addr_put(addr);
40
41 rtnl_link_macvtap_set_mode(link, rtnl_link_macvtap_str2mode("bridge"));
42
43 if ((err = rtnl_link_add(sk, link, NLM_F_CREATE)) < 0) {
44 nl_perror(err, "Unable to add link");
45 return err;
46 }
47
48 rtnl_link_put(link);
49 nl_close(sk);
50
51 return 0;
52 }
53