Upgrading a descriptor engine for a network interface card

Upgrading a descriptor engine for a network interface card

A method for updating a descriptor engine for a network interface card (NIC) may include quiescing a transmit stream to the NIC. The method may further include stopping a descriptor engine from providing new receive descriptors to the NIC. The method may further include creating a copy in a memory o...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Zheng, Jie, Turner, Jeffrey M, Haynie, Howard M, Jung, Donald
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:A method for updating a descriptor engine for a network interface card (NIC) may include quiescing a transmit stream to the NIC. The method may further include stopping a descriptor engine from providing new receive descriptors to the NIC. The method may further include creating a copy in a memory of any receive descriptors already available to the NIC prior to the stopping the descriptor engine. The method may further include setting a controller to redirect inbound traffic to the memory. The method may further include restoring a transmit configuration and a transmit state of the descriptor engine subsequent to updating the descriptor engine.