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DETECTING LOST AND OUT OF ORDER POSTED WRITE PACKETS IN A PERIPHERAL COMPONENT INTERCONNECT (PCI) EXPRESS NETWORK

  • US 20100306442A1
  • Filed: 06/02/2009
  • Published: 12/02/2010
  • Est. Priority Date: 06/02/2009
  • Status: Abandoned Application
First Claim
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1. A computer program product for processing packets in a peripheral component interconnect express (PCIe) network, the computer program product comprising:

  • a tangible storage medium readable by a processing circuit and storing instructions for execution by the processing circuit for performing a method comprising;

    receiving a PCIe posted write packet at a receiving device, the PCIe posted write packet including a received tag identifier and a requesting device identifier identifying a requesting device;

    determining an expected tag identifier for the requesting device;

    comparing the received tag identifier to the expected tag identifier; and

    setting an error flag in response to the received tag identifier not matching the expected tag identifier.

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