linux-kernel - Re: [PATCH net-next 0/2] net: ethtool add VxLAN to the NFC API

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Message-ID: <5b397d3b-5a5d-e226-dc47-f4333a9cacf9@intel.com>
Date:   Mon, 22 Aug 2022 10:48:10 -0500
From:   "Samudrala, Sridhar" <sridhar.samudrala@...el.com>
To:     "huangguangbin (A)" <huangguangbin2@...wei.com>,
        Jakub Kicinski <kuba@...nel.org>
CC:     <davem@...emloft.net>, <idosch@...dia.com>,
        <linux@...pel-privat.de>, <mkubecek@...e.cz>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <lipeng321@...wei.com>, <shenjian15@...wei.com>,
        "Nambiar, Amritha" <amritha.nambiar@...el.com>
Subject: Re: [PATCH net-next 0/2] net: ethtool add VxLAN to the NFC API

On 8/22/2022 9:46 AM, huangguangbin (A) wrote:
>
>
> On 2022/8/18 2:16, Jakub Kicinski wrote:
>> On Wed, 17 Aug 2022 22:35:36 +0800 Guangbin Huang wrote:
>>> This series adds support for steering VxLAN flows using the ethtool NFC
>>> interface, and implements it for hns3 devices.
>>
>> Why can't TC be used for this? Let's not duplicate the same
>> functionality in two places, TC flower can already match on
>> tunnel headers.
>> .
>>
> Hi Jakub,
> 1. I check the manual and implement of TC flower, it doesn't seems
>    to support configuring flows steering to a specific queue.

Based on the discussion in this email thread
   https://lore.kernel.org/netdev/20220429171717.5b0b2a81@kernel.org/
Amritha will be submitting a patch series soon to enable redirecting to 
a RX qeueue
via  tc flower using skbedit queue_mapping action offload.

- Sridhar