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

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Date:   Wed, 7 Aug 2019 14:43:46 +0200
From:   Maciej Fijalkowski <maciejromanfijalkowski@...il.com>
To:     Hayes Wang <hayeswang@...ltek.com>
Cc:     Jakub Kicinski <jakub.kicinski@...ronome.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

On Wed, 7 Aug 2019 07:12:32 +0000
Hayes Wang <hayeswang@...ltek.com> wrote:

> Jakub Kicinski [mailto:jakub.kicinski@...ronome.com]
> > Sent: Wednesday, August 07, 2019 6:10 AM  
> [...]
> > Please don't expose those via sysfs. Ethtool's copybreak and descriptor
> > count should be applicable here, I think.  
> 
> Excuse me.
> I find struct ethtool_tunable for ETHTOOL_RX_COPYBREAK.
> How about the descriptor count?

Look how drivers implement ethtool's set_ringparam ops.

Thanks,
Maciej

> 
> 
> Best Regards,
> Hayes
> 
>