11f9cc0914
This patch adds support for ip6 tunnel that works with the ip6_tunnel kernel module. Signed-off-by: Susant Sahani <susant@redhat.com> Signed-off-by: Thomas Haller <thaller@redhat.com>
55 lines
1.2 KiB
C
55 lines
1.2 KiB
C
#include <netlink/route/link/ip6tnl.h>
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#include <netlink-private/netlink.h>
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int main(int argc, char *argv[])
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{
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struct nl_cache *link_cache;
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struct rtnl_link *link;
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struct in6_addr addr;
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struct nl_sock *sk;
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int err, if_index;
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sk = nl_socket_alloc();
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if ((err = nl_connect(sk, NETLINK_ROUTE)) < 0) {
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nl_perror(err, "Unable to connect socket");
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return err;
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}
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err = rtnl_link_alloc_cache(sk, AF_UNSPEC, &link_cache);
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if ( err < 0) {
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nl_perror(err, "Unable to allocate cache");
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return err;
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}
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if_index = rtnl_link_name2i(link_cache, "ens33");
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if (!if_index) {
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fprintf(stderr, "Unable to lookup ens33");
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return -1;
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}
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link = rtnl_link_ip6_tnl_alloc();
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if(!link) {
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nl_perror(err, "Unable to allocate link");
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return -1;
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}
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rtnl_link_set_name(link, "ip6tnl-tun");
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rtnl_link_ip6_tnl_set_link(link, if_index);
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inet_pton(AF_INET6, "2607:f0d0:1002:51::4", &addr);
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rtnl_link_ip6_tnl_set_local(link, &addr);
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inet_pton(AF_INET6, "2607:f0d0:1002:52::5", &addr);
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rtnl_link_ip6_tnl_set_remote(link, &addr);
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err = rtnl_link_add(sk, link, NLM_F_CREATE);
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if (err < 0) {
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nl_perror(err, "Unable to add link");
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return err;
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}
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rtnl_link_put(link);
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nl_close(sk);
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return 0;
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}
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