netdev - Re: [EXT] Aquantia ethernet driver suspend/resume issues

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Message-ID: <9852ab3e-52ce-d55a-8227-c22f6294c61a@marvell.com>
Date: Tue, 28 Nov 2023 20:18:49 +0100
From: Igor Russkikh <irusskikh@...vell.com>
To: Jakub Kicinski <kuba@...nel.org>
CC: Linus Torvalds <torvalds@...ux-foundation.org>,
        Eric Dumazet
	<edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>,
        Netdev
	<netdev@...r.kernel.org>
Subject: Re: [EXT] Aquantia ethernet driver suspend/resume issues

On 11/27/2023 11:59 PM, Jakub Kicinski wrote:

> Another option you can consider is lowering the default ring size.
> If I'm looking right you default to 4k descriptors for Tx.
> Is it based on real life experience?

Probably reducing default will help - but again not 100%.

I remember these numbers where chosen mainly to show up good 10Gbps
line speed in tests, like iperf udp/tcp flood. But these of course
artificial.

For sure "normal" user can survive even with lower digits.

Thanks
  Igor