[dpdk-dev] [PATCH v3] doc: update flow non-cached mode notes

Thomas Monjalon thomas at monjalon.net
Wed Apr 22 04:09:19 CEST 2020


Hi,

Please prefer splitting lines after punctuation signs.

21/04/2020 08:08, Bing Zhao:
> --- a/doc/guides/nics/mlx5.rst
> +++ b/doc/guides/nics/mlx5.rst
>  
> +Notes for rte_flow

A blank line is missing below:

> +------------------
> +Implementation of flows organization is in non-cached mode. When stopping a

This can be simpler in direct form:
Flows are not cached in the driver.

> +device, all the flows inserted from application will be considered invalid and

device -> device port

> +flushed automatically in the background. After restarting of the device, no

restarting of the device -> restarting the device

> +application's flow exists in the system. All reference pointers to these flows

Why "application's flow"?
What about "no flow is represented in the system"?

reference pointers -> references

> +held by the application are not valid anymore and should be discarded by the
> +application.

Invalid and discard explanations are repeated below.

> +
> +The application should recreate the flows as required after device restarting,

device restarting -> port restart

Better to stop the sentence here, and move it at the end of the paragraph after "stop".

> +and must not try to destroy or flush the invalid flows after stopping (except

After stopping, flows become invalid.
They should be discarded but neither destroyed nor flushed.

> +discarding them).
> +
>  Notes for testpmd
>  -----------------
>  
> diff --git a/doc/guides/rel_notes/release_20_05.rst b/doc/guides/rel_notes/release_20_05.rst
> index bacd4c6..367c5df 100644
> --- a/doc/guides/rel_notes/release_20_05.rst
> +++ b/doc/guides/rel_notes/release_20_05.rst
> @@ -63,6 +63,8 @@ New Features
>    * Added support for matching on IPv4 Time To Live and IPv6 Hop Limit.
>    * Added support for creating Relaxed Ordering Memory Regions.
>    * Added support for jumbo frame size (9K MTU) in Multi-Packet RQ mode.
> +  * Flow rules caching removed from the driver for memory saving and
> +    correctness according to RTE flow and RTE ethdev.

Removed flow rules caching for memory saving and compliance with ethdev API.





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