Function bstp_set_port_state

freebsd/net/bridgestp.c:1202–1237

}

static void
bstp_set_port_state(struct bstp_port *bp, int state)
{
	if (bp->bp_state == state)
		return;

	bp->bp_state = state;

	switch (bp->bp_state) {
		case BSTP_IFSTATE_DISCARDING:
			DPRINTF("state changed to DISCARDING on %s\n",
			    bp->bp_ifp->if_xname);
			break;

		case BSTP_IFSTATE_LEARNING:
			DPRINTF("state changed to LEARNING on %s\n",
			    bp->bp_ifp->if_xname);

			bstp_timer_start(&bp->bp_forward_delay_timer,
			    bp->bp_protover == BSTP_PROTO_RSTP ?
			    bp->bp_desg_htime : bp->bp_desg_fdelay);
			break;

		case BSTP_IFSTATE_FORWARDING:
			DPRINTF("state changed to FORWARDING on %s\n",
			    bp->bp_ifp->if_xname);

			bstp_timer_stop(&bp->bp_forward_delay_timer);
			/* Record that we enabled forwarding */
			bp->bp_forward_transitions++;
			break;
	}

	/* notify the parent bridge */
	taskqueue_enqueue(taskqueue_swi, &bp->bp_statetask);
}

static void
bstp_set_port_role(struct bstp_port *bp, int role)