Offload Operations for Overlay Networks

摘要

Techniques are presented herein for receipt/transmission of packets to/from a host via a connected input/output (IO) device. In general, a packet is associated with a payload, an inner packet header, and an outer overlay header. The IO device is configured to perform independent offload operations on the inner packet header and the outer overlay header.

主权项

1. A method comprising:
obtaining, at an input/output (IO) device, information regarding a packet for transmission by the TO device on an overlay network, wherein the packet is associated with an incomplete inner packet header, an incomplete outer overlay header, and a payload; performing independent offload operations on the incomplete inner packet header and the incomplete outer overlay header; and transmitting the packet including a complete inner packet header, a complete outer overlay header, and the payload on the overlay network.