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/* SPDX-License-Identifier: LGPL-2.1-only */
#include "nl-default.h"
#include <linux/netlink.h>
#include <netlink/netlink.h>
#include <netlink/route/link.h>
#include <netlink/route/link/geneve.h>
#define IPv6 1
int main(int argc, char *argv[])
{
struct rtnl_link *link;
struct nl_addr *addr;
struct nl_sock *sk;
int err;
sk = nl_socket_alloc();
if ((err = nl_connect(sk, NETLINK_ROUTE)) < 0) {
nl_perror(err, "Unable to connect socket");
return err;
}
link = rtnl_link_geneve_alloc();
rtnl_link_set_name(link, "gnv123");
if ((err = rtnl_link_geneve_set_id(link, 123)) < 0) {
nl_perror(err, "Unable to set GENEVE ID");
return err;
}
#if IPv6
if ((err = nl_addr_parse("2001:0db8:0:f101::1/64", AF_INET6, &addr)) < 0) {
nl_perror(err, "Unable to parse IPv6 address");
return err;
}
if ((err = rtnl_link_geneve_set_label(link, 123)) < 0) {
nl_perror(err, "Unable to set label");
return err;
}
if ((err = rtnl_link_geneve_set_udp_zero_csum6_tx(link, 1)) < 0) {
nl_perror(err, "Unable to set skip transmitted UDP checksum");
return err;
}
if ((err = rtnl_link_geneve_set_udp_zero_csum6_rx(link, 1)) < 0) {
nl_perror(err, "Unable to set skip received UDP checksum");
return err;
}
#else
if ((err = nl_addr_parse("10.4.4.4", AF_INET, &addr)) < 0) {
nl_perror(err, "Unable to parse IP address");
return err;
}
#endif
if ((err = rtnl_link_geneve_set_remote(link, addr)) < 0) {
nl_perror(err, "Unable to set remote address");
return err;
}
nl_addr_put(addr);
if ((err = rtnl_link_geneve_set_ttl(link, 1)) < 0) {
nl_perror(err, "Unable to set TTL");
return err;
}
if ((err = rtnl_link_geneve_set_tos(link, 0)) < 0) {
nl_perror(err, "Unable to set ToS");
return err;
}
if ((err = rtnl_link_geneve_set_port(link, 5060)) < 0) {
nl_perror(err, "Unable to set port");
return err;
}
if ((err = rtnl_link_add(sk, link, NLM_F_CREATE)) < 0) {
nl_perror(err, "Unable to add link");
return err;
}
rtnl_link_put(link);
nl_close(sk);
return 0;
}
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