nl-link-enslave.c

/*
 * src/nl-link-enslave.c     Enslave a link
 *
 *      This library is free software; you can redistribute it and/or
 *      modify it under the terms of the GNU Lesser General Public
 *      License as published by the Free Software Foundation version 2.1
 *      of the License.
 *
 * Copyright (c) 2011 Thomas Graf <tgraf@suug.ch>
 */

#include <netlink/cli/utils.h>
#include <netlink/cli/link.h>
#include <netlink/route/link/bonding.h>

int main(int argc, char *argv[])
{
        struct nl_sock *sock;
        struct nl_cache *link_cache;
        struct rtnl_link *master, *slave;
        int err;

        if (argc < 3) {
                fprintf(stderr, "Usage: nl-link-enslave master slave\n");
                return 1;
        }

        sock = nl_cli_alloc_socket();
        nl_cli_connect(sock, NETLINK_ROUTE);
        link_cache = nl_cli_link_alloc_cache(sock);

        if (!(master = rtnl_link_get_by_name(link_cache, argv[1]))) {
                fprintf(stderr, "Unknown link: %s\n", argv[1]);
                return 1;
        }

        if (!(slave = rtnl_link_get_by_name(link_cache, argv[2]))) {
                fprintf(stderr, "Unknown link: %s\n", argv[2]);
                return 1;
        }

        if ((err = rtnl_link_bond_enslave(sock, master, slave)) < 0) {
                fprintf(stderr, "Unable to enslave %s to %s: %s\n",
                        argv[2], argv[1], nl_geterror(err));
                return 1;
        }

        return 0;
}