Function rt_routemsg

freebsd/net/route.c:718–732

* Announce kernel-originated route addition/removal to rtsock based on @rt data. * cmd: RTM_ cmd * @rt: valid rtentry * @nh: nhop object to announce * @fibnum: fib id or RT_ALL_FIBS * * Returns 0 on success. */

 * Returns 0 on success.
 */
int
rt_routemsg(int cmd, struct rtentry *rt, struct nhop_object *nh,
    int fibnum)
{

	KASSERT(cmd == RTM_ADD || cmd == RTM_DELETE,
	    ("unexpected cmd %d", cmd));

	KASSERT(fibnum == RT_ALL_FIBS || (fibnum >= 0 && fibnum < rt_numfibs),
	    ("%s: fib out of range 0 <=%d<%d", __func__, fibnum, rt_numfibs));

	KASSERT(rt_key(rt) != NULL, (":%s: rt_key must be supplied", __func__));

	return (rtsock_routemsg(cmd, rt, nh, fibnum));
}

/*
 * Announce kernel-originated route addition/removal to rtsock based on @rt data.