Electrical computers and digital data processing systems: input/ – Input/output data processing – Input/output data buffering
Reexamination Certificate
2007-04-03
2007-04-03
Huynh, Kim (Department: 2182)
Electrical computers and digital data processing systems: input/
Input/output data processing
Input/output data buffering
C710S005000, C710S036000, C710S048000
Reexamination Certificate
active
10663027
ABSTRACT:
Provided are a method, system, and program for processing packets from an Input/Output (I/O) device. Information is maintained indicating a first buffer and second buffer for use with each descriptor, wherein one of the first and second buffers is assigned to the descriptor used by the I/O device, and wherein the I/O device write packets to the buffers assigned to the descriptors. The first buffer including a packet from the I/O device is accessed, wherein the accessed first buffer is assigned to an accessed descriptor. The packet in the accessed first buffer is processed and if the second buffer assigned to the accessed descriptor is available, then information for the accessed descriptor is updated to indicate that the second buffer is assigned to the accessed descriptor before completing the processing of the packet in the first buffer.
REFERENCES:
patent: 6912602 (2005-06-01), Sano et al.
patent: 2003/0002591 (2003-01-01), Boneh et al.
patent: 2003/0140196 (2003-07-01), Wolrich et al.
patent: 2004/0218631 (2004-11-01), Ganfield
Chen Alan S.
Huynh Kim
Konrad Raynes & Victor LLP
Victor David W.
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