Processor configured for efficient processing of single-cell protocol data units
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United States of America Patent
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Sep 15, 2009
Grant Date -
Feb 3, 2005
app pub date -
Jul 30, 2003
filing date -
Jul 30, 2003
priority date (Note) -
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Abstract
A processor includes controller circuitry configurable to determine for a given packet or other protocol data unit (PDU) received by the processor whether the given PDU is a single-cell PDU. If the given PDU is a single-cell PDU, information characterizing the given PDU is stored in first memory circuitry internal to the processor, without utilizing a linked list data structure. If the given PDU is not a single-cell PDU, information characterizing the PDU is stored in second memory circuitry external to the processor, utilizing a linked list data structure. The processor may be configured as a network processor integrated circuit to provide an interface between a network and a switch fabric in a router or switch.
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