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Method to offload a network stack

  • US 20060069792A1
  • Filed: 11/10/2005
  • Published: 03/30/2006
  • Est. Priority Date: 04/30/2002
  • Status: Active Grant
First Claim
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1. A method to offload a network stack state object and at least one associated protocol stack in a computer system environment from a first path going through a plurality of software layers to a peripheral device to a second path going from a switch layer to the peripheral device, the network stack state object having a cached state variable and at least one of a constant state variable and a delegated state variable, the method comprising the steps of:

  • sending a request to offload the network stack state object from the switch layer to the peripheral device through the plurality of software layers, the request having a list of resource requirements;

    if the network stack state object will be offloaded;

    receiving an offload handle at at least one of the plurality of software layers;

    sending the network stack state object to the peripheral device from the at least one of the plurality of software layers; and

    transferring buffers to the peripheral device from the switch layer.

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