lkml.org 
[lkml]   [2014]   [Jun]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH] net-sysfs: Report link speed only when possible
From
From: Jiri Pirko <jiri@resnulli.us>
Date: Fri, 6 Jun 2014 10:57:33 +0200

> Fri, Jun 06, 2014 at 10:40:30AM CEST, mprivozn@redhat.com wrote:
>>The link speed is available at /sys/class/net/$nic/speed.
>>However, in some cases, depending on the driver, if the link is
>>not plugged, -1 is reported (this is the case of e1000e for
>>instance). To make things worse, the value is printed out as an
>
> Actually, SPEED_UNKNOWN is also -1
> So e1000e is not any exception.

And pity the person who is handling this by evaluating that unsigned
value, we'll break them.

We can't keep changing behavior for the SPEED_UNKOWN case back and
forth.

A program that wants to work with all kernels now has to handle three
different kinds of behavior if we apply this patch, that's not making
things better, it's making things worse.

I'm not applying a patch that does this, sorry.


\
 
 \ /
  Last update: 2014-06-06 22:21    [W:0.076 / U:0.024 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site