HARDWARE IMPLEMENTED RING BUFFER MANAGEMENT SYSTEM AND METHOD FOR USE IN TCP/IP COMMUNICATION

摘要

A ring buffer management system includes a layer interface, which transmits an occupied buffer size or a free buffer size of the ring buffer to a low layer module and/or a high layer module of a TCP/IP stack; a pointer update interface, which calculates a temporary pointer based on a current pointer of the ring buffer and a data size necessary for the high layer module or the low layer module; and a pointer manager, which stores the current pointer of the ring buffer, updates the ring buffer by using the temporary pointer, and calculates the occupied buffer size and the free buffer size of the ring buffer to transmit the calculated occupied buffer size and the free buffer size to the layer interface, so that it is possible to prevent data transmission delay and efficiently manage the ring buffer because the high/low layer module of the TCP/IP stack can appropriately determine a transmit/receive data size.