[dpdk-dev] [PATCH 1/5] ethdev: Rename macros of packet classification type
Thomas Monjalon
thomas.monjalon at 6wind.com
Thu Jul 24 10:19:45 CEST 2014
2014-07-24 08:14, Zhang, Helin:
> From: Thomas Monjalon [mailto:thomas.monjalon at 6wind.com]
> > 2014-07-24 14:42, Helin Zhang:
> > > For better understanding, 'PCTYPE' was added to the name of i40e RSS
> > > shift macros.
> > >
> > > Signed-off-by: Helin Zhang <helin.zhang at intel.com>
> >
> > > -#define ETH_RSS_NONF_IPV4_UDP_SHIFT 31
> > > +#define ETH_PCTYPE_NONF_IPV4_UDP 31
> >
> > Why is it clearer? I don't understand what means PCTYPE.
>
> It is 'packet classification type' defined in data sheet, and widely used.
Widely used? No it seems to be an i40e naming.
Which datasheet are you pointing?
> It is not just for RSS only, it can be used for flow director possibly.
> That's why I think it would be better to rename it with PCTYPE names.
At least, you should add a comment in the code to explain the meaning.
Thank you
--
Thomas
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