[dpdk-dev] [RFC] resolve conflict between net/ethernet.h and rte_ethdev.h

[Thomas Monjalon]

2015-03-05 00:16, Thomas Monjalon:
> 2015-01-06 11:44, Thomas Monjalon:
> > 2014-12-27 15:13, Stephen Hemminger:
> > > This is a patch to address the conflict between <net/ethernet.h>
> > > and the definitions in <rte_ethdev.h>. It has two side effects
> > > worth discussion:
> > >   1. It forces inclusion of net/ethernet.h
> > >   2. It has definition to deal with the differing structure elements
> > >      in the two versions of struct ether_addr.
> > > 
> > > By doing this ether_ntoa and related functions can be used without
> > > messing with prototypes.
> > > 
> > > Alternative is more complex #ifdef magic like linux/libc-compat.h
> > 
> > [...]
> > 
> > > +#include <net/ethernet.h>
> > 
> > [...]
> > 
> > > +/* Deprecated definition to allow for compatiablity with net/ethernet.h */
> > > +#define addr_bytes	ether_addr_octet
> > 
> > This is defining a common identifier without prefix.
> > So it will be forbidden to use addr_bytes as variable name.
> > I understand you are trying to keep compatibility with both structures,
> > but the drawback is really nasty.
> > Is there another solution? Or at least, we could mark it as deprecated and
> > remove it in release 2.1.
> 
> ping
> Any opinion?

Hi Stephen,
If, by any chance, you are willing to reply to this thread,
maybe you would like to send a non-rfc patch with these 2 additions:
- rename addr_bytes to ether_addr_octet everywhere
- mark addr_bytes as deprecated in doc/guides/rel_notes/abi.rst