BPDU_T
rc = STP_IN_check_bpdu_header((BPDU_T *)&eh->ether_type, buflen);
(BPDU_T *)&eh->ether_type, buflen);
STP_port_rx_bpdu (PORT_T* this, BPDU_T* bpdu, size_t len)
STP_port_rx_bpdu (PORT_T* this, BPDU_T* bpdu, size_t len);
STP_IN_check_bpdu_header (BPDU_T* bpdu, size_t len)
STP_IN_rx_bpdu (int vlan_id, int port_index, BPDU_T* bpdu, size_t len)
STP_IN_check_bpdu_header (BPDU_T* bpdu, size_t len);
STP_IN_rx_bpdu (int vlan_id, int port_index, BPDU_T* bpdu, size_t len);