Subject: Re: [PATCH v2 0/2] pegasus: correct buffer sizes

From: Johannes Berg <[email-masked]>
Date: Wed, 27 Apr 2016 11:44:05 +0200

On Wed, 2016-04-27 at 12:33 +0300, Petko Manolov wrote:
> 
> Your guess turned out to be not so wild.  ;)  All Pegasus devices are
> configured  (by the driver) to append CRC at the end of each RX
> packet.  However, the driver reports packet length that does not
> include it.  

Interesting, then my guess was wrong though, since the length is
reported without it, or am I misunderstanding this?

> I doubt the appended CRC is being silently verified by the upper
> layer, bit i might be wrong of course.

It's even "outside" the skb as you describe it, so it can't even be
touched, no?

> Perhaps it is best if instruct the device to not include the CRC as
> it seems ignored anyway.

Yeah, there's no point in passing it over the bus.

johannes