netdev - Re: [PATCH -next 3/4] net: w5100: increase TX timeout period

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:	Wed, 11 May 2016 19:49:01 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	akinobu.mita@...il.com
Cc:	netdev@...r.kernel.org, msink@...monline.ru
Subject: Re: [PATCH -next 3/4] net: w5100: increase TX timeout period

From: Akinobu Mita <akinobu.mita@...il.com>
Date: Wed, 11 May 2016 15:30:26 +0900

> This increases TX timeout period from one second to 5 seconds which is
> default value defined in net/sched/sch_generic.c.
> 
> The one second timeout is too short for W5100 with SPI interface mode
> which doesn't support burst READ/WRITE processing in the SPI transfer.
> If the packet is transmitted while RX packets are being received at a
> very high rate, the TX transmittion work in the workqueue is delayed
> and the watchdog timer is expired.
> 
> Signed-off-by: Akinobu Mita <akinobu.mita@...il.com>

It would be just cleaner to just remove the assignment completely, and
let said net/sched/sch_generic.c code set the default for you.