/**
* Create a new kernel bridge device
* @arg sk netlink socket
* @arg name name of the bridge device or NULL
*
* Creates a new bridge device in the kernel. If no name is
* provided, the kernel will automatically pick a name of the
* form "type%d" (e.g. bridge0, vlan1, etc.)
*
* @return 0 on success or a negative error code
*/
int rtnl_link_bridge_add(struct nl_sock *sk, const char *name)
{
int err;
struct rtnl_link *link;
if (!(link = rtnl_link_bridge_alloc()))
return -NLE_NOMEM;
if(name)
rtnl_link_set_name(link, name);
err = rtnl_link_add(sk, link, NLM_F_CREATE);
rtnl_link_put(link);
return err;
}
/*
* Create a bridge interface. Returns 0 if successful, libnl error if not.
*/
static int create_bridge_link(struct nl_sock *sk, const char *name)
{
struct rtnl_link *l_bridge;
int err;
l_bridge = rtnl_link_bridge_alloc();
assert(l_bridge);
rtnl_link_set_name(l_bridge, name);
err = rtnl_link_add(sk, l_bridge, NLM_F_CREATE);
if (err < 0) {
rtnl_link_put(l_bridge);
return err;
}
rtnl_link_put(l_bridge);
return 0;
}
