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

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Date:   Fri, 9 Aug 2019 03:38:53 +0000
From:   Hayes Wang <hayeswang@...ltek.com>
To:     Jakub Kicinski <jakub.kicinski@...ronome.com>
CC:     Maciej Fijalkowski <maciejromanfijalkowski@...il.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        nic_swsd <nic_swsd@...ltek.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-usb@...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

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.

Best Regards,
Hayes