Function bstp_info_superior

freebsd/net/bridgestp.c:769–778

* This message priority vector is superior to the port priority vector and * will replace it if, and only if, the message priority vector is better than * the port priority vector, or the message has been transmitted from the same * designated bridge and designated port as the port priority vector. */

 * designated bridge and designated port as the port priority vector.
 */
static int
bstp_info_superior(struct bstp_pri_vector *pv,
    struct bstp_pri_vector *cpv)
{
	if (bstp_info_cmp(pv, cpv) == INFO_BETTER ||
	    (bstp_same_bridgeid(pv->pv_dbridge_id, cpv->pv_dbridge_id) &&
	    (cpv->pv_dport_id & 0xfff) == (pv->pv_dport_id & 0xfff)))
		return (1);
	return (0);
}

static void
bstp_assign_roles(struct bstp_state *bs)