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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

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