#include <netlink/netlink.h> #include <netlink/route/link.h> #include <netlink/route/link/macvlan.h> int main(int argc, char *argv[]) { struct rtnl_link *link; struct nl_cache *link_cache; struct nl_sock *sk; struct nl_addr* addr; int err, master_index; sk = nl_socket_alloc(); if ((err = nl_connect(sk, NETLINK_ROUTE)) < 0) { nl_perror(err, "Unable to connect socket"); return err; } if ((err = rtnl_link_alloc_cache(sk, AF_UNSPEC, &link_cache)) < 0) { nl_perror(err, "Unable to allocate cache"); return err; } if (!(master_index = rtnl_link_name2i(link_cache, "eth0"))) { fprintf(stderr, "Unable to lookup eth0"); return -1; } link = rtnl_link_macvlan_alloc(); rtnl_link_set_link(link, master_index); addr = nl_addr_build(AF_LLC, ether_aton("00:11:22:33:44:55"), ETH_ALEN); rtnl_link_set_addr(link, addr); nl_addr_put(addr); rtnl_link_macvlan_set_mode(link, rtnl_link_macvlan_str2mode("bridge")); 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; }