Re: [patch net-next 00/13] introduce rocker switch driver with openvswitch hardware accelerated datapath

Hi All,

Shall we expect these changes to be available in the upcoming 2.4 release?
or is it still in development?






On Tue, Sep 16, 2014 at 9:28 PM, Jiri Pirko [off-list ref] wrote:

Mon, Sep 08, 2014 at 03:54:13PM CEST, tgraf@suug.ch wrote:

quoted

On 09/03/14 at 11:24am, Jiri Pirko wrote:

quoted

This patchset can be divided into 3 main sections:
- introduce switchdev api for implementing switch drivers
- add hardware acceleration bits into openvswitch datapath, This uses
  previously mentioned switchdev api
- introduce rocker switch driver which implements switchdev api

Jiri, Scott,

Enclosed is the GOOG doc which outlines some details on my particular
interests [0]. It includes several diagrams which might help to
understand the overall arch. It is highly related to John's work as
well. Please let me know if something does not align with the model
you have in mind.

Hi Thomas.

Sorry for late answer, I returned from vacation yesterday.
I went over your document, I did not find anything which would not align
with our approach. Looks good to me.

quoted

Summary:
The full virtual tunnel endpoint flow offload attempts to offload full
flows to the hardware and utilize the embedded switch on the host NIC
to empower the eSwitch with the required flexibility of the software
driven network. In this model, the guest (VM or LXC) attaches through a
SR-IOV VF which serves as the primary path. A slow path / software path
is provided via the CPU which can route packets back into the VF by
tagging packets with forwarding metadata and sending the frame back to
the NIC.

[0]

https://docs.google.com/document/d/195waUliu7G5YYVuXHmLmHgJ38DFSte321WPq0oaFhyU/edit?usp=sharing

quoted

(Publicly accessible and open for comments)

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Thanks & Regards
Neelakantam Gaddam
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