port_flag
((_xbowp)->xbow_port_info[(_link) - BASE_XBOW_PORT].port_flag & XBOW_PORT_HUB)
((_xbowp)->xbow_port_info[(_link) - BASE_XBOW_PORT].port_flag & XBOW_PORT_IO)
((_xbowp)->xbow_port_info[(_link) - BASE_XBOW_PORT].port_flag & XBOW_PORT_ENABLE)
unsigned char port_flag;
static struct port_flag siu_flags[SIU_PORT_NUM] = {