netdev - Re: [PATCH net-next 5/5] r8152: change rx_frag_head_sz and rx_max_agg

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Date:   Thu, 08 Aug 2019 21:51:33 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     hayeswang@...ltek.com
Cc:     jakub.kicinski@...ronome.com, maciejromanfijalkowski@...il.com,
        netdev@...r.kernel.org, nic_swsd@...ltek.com,
        linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org
Subject: Re: [PATCH net-next 5/5] r8152: change rx_frag_head_sz and
 rx_max_agg_num dynamically

From: Hayes Wang <hayeswang@...ltek.com>
Date: Fri, 9 Aug 2019 03:38:53 +0000

> Jakub Kicinski [jakub.kicinski@...ronome.com]
> [..]> The kernel could support it. And I has finished it.
>> > However, when I want to test it by ethtool, I couldn't find suitable command.
>> > I couldn't find relative feature in the source code of ethtool, either.
> 
>> It's possible it's not implemented in the user space tool 🤔
>>
>> Looks like it got posted here:
>>
>> https://www.spinics.net/lists/netdev/msg299877.html
>>
>> But perhaps never finished?
> 
> May I implement both sysfs and set_tunalbe for copybreak first
> before the user space tool is ready? Otherwise, the user couldn't
> change the copybreak now.

No, fix the tool please.