xref: /aosp_15_r20/external/libnl/tests/test-create-veth.c (revision 4dc78e53d49367fa8e61b07018507c90983a077d)
1 /* SPDX-License-Identifier: LGPL-2.1-only */
2 
3 #include "nl-default.h"
4 
5 #include <linux/netlink.h>
6 
7 #include <netlink/netlink.h>
8 #include <netlink/route/link.h>
9 #include <netlink/route/link/veth.h>
10 
main(int argc,char * argv[])11 int main(int argc, char *argv[])
12 {
13 	struct rtnl_link *link;
14 	struct nl_sock *sk;
15 	int err;
16 	struct rtnl_link *peer;
17 
18 	sk = nl_socket_alloc();
19 	if ((err = nl_connect(sk, NETLINK_ROUTE)) < 0) {
20 		nl_perror(err, "Unable to connect socket");
21 		return err;
22 	}
23 
24 #if 0
25 	rtnl_link_veth_add(sk, "veth2", "veth3", getpid());
26 #else
27 	link = rtnl_link_veth_alloc();
28 	if (!link) {
29 		nl_perror(err, "Unable to alloc link");
30 		return err;
31 	}
32 
33 	rtnl_link_set_name(link, "veth8");
34 	peer = rtnl_link_veth_get_peer(link);
35 	rtnl_link_set_name(peer, "veth9");
36 
37 	if ((err = rtnl_link_add(sk, link, NLM_F_CREATE)) < 0) {
38 		nl_perror(err, "Unable to add link");
39 		return err;
40 	}
41 	printf("peer is %s\n", rtnl_link_get_name(peer));
42 	rtnl_link_put(peer);
43 	rtnl_link_put(link);
44 #endif
45 	nl_close(sk);
46 
47 	return 0;
48 }
49