METHOD/DEVICE FOR TRANSMITTING/RECEIVING PACKET OF COMPUTER SYSTEM AND PACKET TRANSMISSION/RECEPTION PROGRAM

摘要

PROBLEM TO BE SOLVED: To improve packet transfer performance by transferring a high priority packet, even in a transfer stand-by state. SOLUTION: A priority order is set in the order of a packet for accessing an internal register, an answering system packet and a command system packet to be transmitted and received by a packet transmission and reception part 28. In the transferring stand-by state of the command system packet of a low priority order to one transmission destination in the case of receiving the answering system packet of the internal register access system packet of high priority to other transmission destinations from an external module 24, the part 28 transmits the high-priority packet by releasing the transferring stand-by state.