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/vrf.h>
10
main(int argc,char * argv[])11 int main(int argc, char *argv[])
12 {
13 struct nl_cache *link_cache;
14 struct rtnl_link *link, *link2;
15 struct nl_sock *sk;
16 uint32_t tb_id;
17 int err;
18
19 sk = nl_socket_alloc();
20 if ((err = nl_connect(sk, NETLINK_ROUTE)) < 0) {
21 nl_perror(err, "Unable to connect socket");
22 return err;
23 }
24
25 if (!(link = rtnl_link_vrf_alloc())) {
26 fprintf(stderr, "Unable to allocate link");
27 return -1;
28 }
29
30 rtnl_link_set_name(link, "vrf-red");
31
32 if ((err = rtnl_link_vrf_set_tableid(link, 10)) < 0) {
33 nl_perror(err, "Unable to set VRF table id");
34 return err;
35 }
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
42 if ((err = rtnl_link_alloc_cache(sk, AF_UNSPEC, &link_cache)) < 0) {
43 nl_perror(err, "Unable to allocate cache");
44 return err;
45 }
46
47 if (!(link2 = rtnl_link_get_by_name(link_cache, "vrf-red"))) {
48 fprintf(stderr, "Unable to lookup vrf-red");
49 return -1;
50 }
51
52 if ((err = rtnl_link_vrf_get_tableid(link2, &tb_id)) < 0) {
53 nl_perror(err, "Unable to get VRF table id");
54 return err;
55 }
56
57 if (tb_id != 10) {
58 fprintf(stderr, "Mismatch with VRF table id\n");
59 }
60
61 rtnl_link_put(link);
62 nl_close(sk);
63
64 return 0;
65 }
66