339     struct bstp_config_unit *cu)  in bstp_decode_bpdu()  argument
343 	cu->cu_pv.pv_root_id =  in bstp_decode_bpdu()
352 	cu->cu_pv.pv_dbridge_id =  in bstp_decode_bpdu()
361 	cu->cu_pv.pv_cost = ntohl(cpdu->cbu_rootpathcost);  in bstp_decode_bpdu()
362 	cu->cu_message_age = ntohs(cpdu->cbu_messageage);  in bstp_decode_bpdu()
363 	cu->cu_max_age = ntohs(cpdu->cbu_maxage);  in bstp_decode_bpdu()
364 	cu->cu_hello_time = ntohs(cpdu->cbu_hellotime);  in bstp_decode_bpdu()
365 	cu->cu_forward_delay = ntohs(cpdu->cbu_forwarddelay);  in bstp_decode_bpdu()
366 	cu->cu_pv.pv_dport_id = ntohs(cpdu->cbu_portid);  in bstp_decode_bpdu()
367 	cu->cu_pv.pv_port_id = bp->bp_port_id;  in bstp_decode_bpdu()
368 	cu->cu_message_type = cpdu->cbu_bpdutype;  in bstp_decode_bpdu()
376 		cu->cu_role = BSTP_ROLE_DESIGNATED;  in bstp_decode_bpdu()
384 	cu->cu_topology_change_ack =  in bstp_decode_bpdu()
386 	cu->cu_proposal =  in bstp_decode_bpdu()
388 	cu->cu_agree =  in bstp_decode_bpdu()
390 	cu->cu_learning =  in bstp_decode_bpdu()
392 	cu->cu_forwarding =  in bstp_decode_bpdu()
394 	cu->cu_topology_change =  in bstp_decode_bpdu()
399 		cu->cu_role = BSTP_ROLE_ROOT;  in bstp_decode_bpdu()
402 		cu->cu_role = BSTP_ROLE_ALTERNATE;  in bstp_decode_bpdu()
405 		cu->cu_role = BSTP_ROLE_DESIGNATED;  in bstp_decode_bpdu()
636 	struct bstp_config_unit *cu = &bp->bp_msg_cu;  in bstp_received_stp()  local
651 		bstp_decode_bpdu(bp, &cpdu, cu);  in bstp_received_stp()
652 		bstp_received_bpdu(bs, bp, cu);  in bstp_received_stp()
662 	struct bstp_config_unit *cu = &bp->bp_msg_cu;  in bstp_received_rstp()  local
674 	bstp_decode_bpdu(bp, &cpdu, cu);  in bstp_received_rstp()
675 	bstp_received_bpdu(bs, bp, cu);  in bstp_received_rstp()
688     struct bstp_config_unit *cu)  in bstp_received_bpdu()  argument
701 	type = bstp_pdu_rcvtype(bp, cu);  in bstp_received_bpdu()
709 		if (cu->cu_proposal && cu->cu_forwarding == 0) {  in bstp_received_bpdu()
712 		if (cu->cu_topology_change) {  in bstp_received_bpdu()
715 		if (cu->cu_topology_change_ack) {  in bstp_received_bpdu()
725 		bp->bp_port_pv = cu->cu_pv;  in bstp_received_bpdu()
726 		bp->bp_port_msg_age = cu->cu_message_age;  in bstp_received_bpdu()
727 		bp->bp_port_max_age = cu->cu_max_age;  in bstp_received_bpdu()
728 		bp->bp_port_fdelay = cu->cu_forward_delay;  in bstp_received_bpdu()
730 		    (cu->cu_hello_time > BSTP_MIN_HELLO_TIME ?  in bstp_received_bpdu()
731 		    cu->cu_hello_time : BSTP_MIN_HELLO_TIME);  in bstp_received_bpdu()
741 		if (cu->cu_proposal && cu->cu_forwarding == 0) {  in bstp_received_bpdu()
744 		if (cu->cu_topology_change) {  in bstp_received_bpdu()
747 		if (cu->cu_topology_change_ack) {  in bstp_received_bpdu()
756 		if (cu->cu_learning) {  in bstp_received_bpdu()
767 		if (cu->cu_agree && bp->bp_ptp_link) {  in bstp_received_bpdu()
774 		if (cu->cu_topology_change) {  in bstp_received_bpdu()
777 		if (cu->cu_topology_change_ack) {  in bstp_received_bpdu()
790 bstp_pdu_rcvtype(struct bstp_port *bp, struct bstp_config_unit *cu)  in bstp_pdu_rcvtype()  argument
797 	switch (cu->cu_role) {  in bstp_pdu_rcvtype()
799 		if (bstp_info_superior(&bp->bp_port_pv, &cu->cu_pv)) {  in bstp_pdu_rcvtype()
802 		} else if (bstp_info_cmp(&bp->bp_port_pv, &cu->cu_pv) ==  in bstp_pdu_rcvtype()
804 			if (bp->bp_port_msg_age != cu->cu_message_age ||  in bstp_pdu_rcvtype()
805 			    bp->bp_port_max_age != cu->cu_max_age ||  in bstp_pdu_rcvtype()
806 			    bp->bp_port_fdelay != cu->cu_forward_delay ||  in bstp_pdu_rcvtype()
807 			    bp->bp_port_htime != cu->cu_hello_time) {  in bstp_pdu_rcvtype()
824 		if (bstp_info_cmp(&bp->bp_port_pv, &cu->cu_pv) <= INFO_SAME) {  in bstp_pdu_rcvtype()