netdev - Re: Ask for help about flow classifier tool

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Date:   Sat, 17 Mar 2018 13:47:55 +0100
From:   Jiri Pirko <jiri@...nulli.us>
To:     "Wei Hu (Xavier)" <xavier.huwei@...wei.com>
Cc:     netdev@...r.kernel.org, David Miller <davem@...emloft.net>,
        linyunsheng <linyunsheng@...wei.com>,
        "lipeng (Y)" <lipeng321@...wei.com>,
        "00434615 >> shenjian 00434615" <shenjian15@...wei.com>,
        "liangfuyun (A)" <liangfuyun1@...wei.com>,
        "Chenxin (Charles)" <charles.chenxin@...wei.com>
Subject: Re: Ask for help about flow classifier tool

Sat, Mar 17, 2018 at 10:47:23AM CET, xavier.huwei@...wei.com wrote:
>Hi, David
>
>    The TC Flower Classifier allows control of packets based on flows
>determined by matching of well-known packet fields and metadata.
>    Offload of the TC Flower classifier and related modules provides a
>powerful mechanism to both increase throughput and reduce CPU
>utilisation for users of such flow-based systems.
>
>    The command "ethtool -N" can provide similar function.

Afaik ethtool settings is very limited to rx queue steering. 

If you want more actions, like vlan modification, tunnels, forward, etc,
you should use tc-flower


>
>    Now, hip08 SOC has flow classifier hardware offload capacity, which
>tools we should support in HNS kernel driver?
>    Can you give some suggestion?
>
>    Regards
>Wei Hu
>