const CSP_CONN_RXQUEUE_LEN: usize = 16
const CSP_QFIFO_LEN: usize = 16
const CSP_PORT_MAX_BIND: usize = 16
const CSP_CONN_MAX: usize = 8
const CSP_BUFFER_SIZE: usize = 256
const CSP_RDP_MAX_WINDOW: usize = 5
const CSP_RTABLE_SIZE: usize = 10