1 #include <netlink/netlink.h>
2 #include <netlink/route/link.h>
3 #include <netlink/route/link/geneve.h>
4
5 #include <linux/netlink.h>
6
7 #define IPv6 1
8
main(int argc,char * argv[])9 int main(int argc, char *argv[])
10 {
11 struct rtnl_link *link;
12 struct nl_addr *addr;
13 struct nl_sock *sk;
14 int err;
15
16 sk = nl_socket_alloc();
17 if ((err = nl_connect(sk, NETLINK_ROUTE)) < 0) {
18 nl_perror(err, "Unable to connect socket");
19 return err;
20 }
21
22 link = rtnl_link_geneve_alloc();
23
24 rtnl_link_set_name(link, "gnv123");
25
26 if ((err = rtnl_link_geneve_set_id(link, 123)) < 0) {
27 nl_perror(err, "Unable to set GENEVE ID");
28 return err;
29 }
30
31 #if IPv6
32 if ((err = nl_addr_parse("2001:0db8:0:f101::1/64", AF_INET6, &addr)) < 0) {
33 nl_perror(err, "Unable to parse IPv6 address");
34 return err;
35 }
36 if ((err = rtnl_link_geneve_set_label(link, 123)) < 0) {
37 nl_perror(err, "Unable to set label");
38 return err;
39 }
40
41 if ((err = rtnl_link_geneve_set_udp_zero_csum6_tx(link, 1)) < 0) {
42 nl_perror(err, "Unable to set skip transmitted UDP checksum");
43 return err;
44 }
45
46 if ((err = rtnl_link_geneve_set_udp_zero_csum6_rx(link, 1)) < 0) {
47 nl_perror(err, "Unable to set skip received UDP checksum");
48 return err;
49 }
50 #else
51 if ((err = nl_addr_parse("10.4.4.4", AF_INET, &addr)) < 0) {
52 nl_perror(err, "Unable to parse IP address");
53 return err;
54 }
55 #endif
56
57 if ((err = rtnl_link_geneve_set_remote(link, addr)) < 0) {
58 nl_perror(err, "Unable to set remote address");
59 return err;
60 }
61 nl_addr_put(addr);
62
63 if ((err = rtnl_link_geneve_set_ttl(link, 1)) < 0) {
64 nl_perror(err, "Unable to set TTL");
65 return err;
66 }
67
68 if ((err = rtnl_link_geneve_set_tos(link, 0)) < 0) {
69 nl_perror(err, "Unable to set ToS");
70 return err;
71 }
72
73 if ((err = rtnl_link_geneve_set_port(link, 5060)) < 0) {
74 nl_perror(err, "Unable to set port");
75 return err;
76 }
77
78 if ((err = rtnl_link_add(sk, link, NLM_F_CREATE)) < 0) {
79 nl_perror(err, "Unable to add link");
80 return err;
81 }
82
83 rtnl_link_put(link);
84 nl_close(sk);
85
86 return 0;
87 }
88