Connector tx and rx Functions
- st_tx_ctl(st_connector_t connector, st_macaddr_t macaddr, st_header_t *hdr, uchar_t opt_payload[OPT_PAYLOAD_SIZE])
- st_tx_data(st_connector_t connector, st_macaddr_t macaddr, st_header_t *hdr, st_bufxrange_t bufxrange, uint64_t len, uint32_t offset, uint32_t stusize, uint64_t rem_bufsize)
- st_rx(st_connector_t connector, st_macaddr_t *macaddr, st_header_t *hdr, uchar_t opt_payload[OPT_PAYLOAD_SIZE], struct timeval *timeout)