On Wed, 2016-04-27 at 16:26 +, David Laight wrote:
> From: Johannes Berg
> >
> > Sent: 27 April 2016 10:44
> > 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 appen
From: Johannes Berg
> Sent: 27 April 2016 10:44
> 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
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
On Wed, 2016-04-27 at 10:35 +0300, Petko Manolov wrote:
>
> Nearly all Pegasus devices may append the RX status to the end of the
> received packet. It is the default setup for the driver. The
> actual ethernet packet is 4 bytes shorter. Why and when 'pkt_len -=
> 4' became 'pkt_len -= 8' is
As noticed by Lincoln Ramsay some old (usb 1.1) Pegasus
based devices may actually return more bytes than the specified in the
datasheet
amount. That would not be a problem if the allocated space for the SKB was
equal to the parameter passed to usb_fill_bulk_urb(). Some poor bugger (i
reall
