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  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:   Wed, 3 Apr 2019 07:55:25 +0000
From:   Jose Abreu <>
To:     "Leonidas P. Papadakos" <>,
        Robin Murphy <>
CC:     Jose Abreu <>,
        Philipp Tomsich <>,
        Heiko Stübner <>,
        Christoph Müllner 
        Maxime Coquelin <>,
        Alexandre Torgue <>,
        "" <>,
        LKML <>,
        Linux ARM <>,
        Klaus Goger <>
Subject: RE: [PATCH 1/2] stmmac: introduce flag to dynamically disable TX
 offload for rockchip devices

From: Leonidas P. Papadakos <>
Date: Tue, Apr 02, 2019 at 23:48:16

> I can confirm that snps,no-pbl-x8, currently set by uboot for the fdt
> basically fixes the tx-checksumming issue.
> I get 700~800 Mbps myself but that might come down to the setup.
> You could say it affects performance slightly, as I saw in a previous 
> email.
> Without the setting The rate consistently drops to 0.
> ethtool reports tx-checksumming is on in both cases
> Pretty cool!
> Does that give you guys an idea on how to tackle it "officially"?

Thank you all for testing !

It's been on my todo list to cook up a patch that limits PBL according to
FIFO size but I didn't manage to have the time yet so for now it would
be better if you fix it by submitting the DT bindings changes.

Jose Miguel Abreu

Powered by blists - more mailing lists