[dpdk-dev] [PATCH] librte_pmd_packet: add PMD for AF_PACKET-based virtual devices

Thomas Monjalon thomas.monjalon at 6wind.com
Wed Jul 16 16:26:52 CEST 2014


2014-07-16 10:07, John W. Linville:
> On Tue, Jul 15, 2014 at 11:27:45PM +0200, Thomas Monjalon wrote:
> > 2014-07-14 09:46, John W. Linville:
> > > On Sat, Jul 12, 2014 at 12:34:46AM +0200, Thomas Monjalon wrote:
> > > > 2014-07-11 13:40, John W. Linville:
> > > > > Is there an example of code in DPDK that requires specific kernel
> > > > > versions?  What is the preferred method for coding such
> > > > > dependencies?
> > > > 
> > > > No there is no userspace code checking kernel version in DPDK.
> > > > Feel free to use what you think the best method.
> > > > Please keep in mind that checking version number is a maintenance
> > > > nightmare
> > > > because of backports (like RedHat do ;).
> > > 
> > > I suppose that it could be a configuration option?
> > 
> > If there is no other way to configure kernel-dependent features, we can
> > add
> > options. But I feel that relying on a macro (#ifdef) would be better if
> > such macro exist.
> 
> I can add #ifdef or #if defined() for the newer definitions.  Is there
> a minimum kernel version supported today?

2.6.32 is the minimum version.
But it's known to be easily usable since Linux 2.6.34.

-- 
Thomas


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