Method and system for transferring packets to a guest operating system
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United States of America Patent
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Nov 11, 2014
Issued Date -
N/A
app pub date -
Feb 29, 2008
filing date -
Feb 29, 2008
priority date (Note) -
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Abstract
In general, the invention relates to a method for transferring a packet. The method includes receiving the packet by a physical network interface, determining a virtual network interface card (VNIC) using a virtual switching table, where the VNIC is located on a computer operatively connected to the network express manager (NEM) via a chassis interconnect, and the VNIC is executing on a host operating system (OS) in the computer. The method further includes transferring the packet to a receive ring (RR) associated with the VNIC, wherein the RR is located on the NEM, providing the network express manager with a receive descriptor, transferring the packet to the guest OS memory using the receive descriptor, and notifying the guest OS that the packet is in the guest OS memory.
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