[dpdk-dev] [PATCH] ixgbe: do not include CRC in Tx byte count

[Stephen Hemminger]

On Wed, 4 Mar 2015 20:55:05 +0000
Thomas Monjalon <thomas.monjalon at 6wind.com> wrote:

> Anyone to carefully review this patch?
> 
> 2015-01-27 11:38, Stephen Hemminger:
> > On Tue, 27 Jan 2015 11:11:39 +0100
> > Thomas Monjalon <thomas.monjalon at 6wind.com> wrote:
> >   
> > > Hi Stephen,
> > > 
> > > 2015-01-22 22:23, stephen at networkplumber.org:  
> > > > From: Stephen Hemminger <shemming at brocade.com>
> > > > 
> > > > The ixgbe driver was including CRC in the transmit packet byte
> > > > count, but not for packets received. This was notice when forwarding and
> > > > the number of bytes received was greater than the number of bytes transmitted  
> > > 
> > > Tx includes CRC and Rx count is greater, really?  

Yes. This is observable fact.
The gotc register includes CRC and the per-queue register do not.