Multiplex communications – Communication techniques for information carried in plural... – Assembly or disassembly of messages having address headers
Reexamination Certificate
2011-01-04
2011-01-04
Yao, Kwang B. (Department: 2473)
Multiplex communications
Communication techniques for information carried in plural...
Assembly or disassembly of messages having address headers
C709S250000
Reexamination Certificate
active
07864806
ABSTRACT:
Certain aspects of the invention for packet segmentation and offload may comprise determining whether an identified packet is a large send offload packet (LSOP). If the identified packet is a LSOP, a selection may be made between a hardware process and a firmware process for handling the LSOP. The LSOP may then be processed by the selected hardware process or firmware process. At least a portion of protocol header information for a first segment of the LSOP may be stored and subsequently utilized for at least a header portion of a second segment of the LSOP. A payload corresponding to the second segment of the LSOP may be placed at a determined offset within a transmit buffer for the second segment. A header portion of the second segment may be updated based on at least a header portion of a previous segment.
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Lee Jonathan
Qiu Jack
Broadcom Corp.
McAndrews Held & Malloy Ltd.
Rutkowski Jeffrey M
Yao Kwang B.
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