[dpdk-dev] Beyond DPDK 2.0

[Bruce Richardson]

On Fri, May 08, 2015 at 11:32:04AM +0200, Luke Gorrie wrote:
> Hi Bruce,
> 
> On 8 May 2015 at 11:06, Bruce Richardson <bruce.richardson at intel.com> wrote:
> 
> > For the Intel NIC drivers, the hardware setup part used in DPDK is based
> > off
> > the other Intel drivers for other OS's. The code you are interested in
> > should
> > therefore be contained within the subfolders off each individual PMD. As
> > you point
> > out below, the mbuf specific part is only present in the files in the
> > top-level
> > PMD folder with the DPDK-specific RX/TX and queue setup routines.
> 
> 
> Interesting!
> 
> How could one embed these Intel drivers (igb, ixgbe, i40e, ...) into new
> programs?
> 
> If there is documentation, a platform-agnostic master repository, etc, that
> would be really interesting.
> 
> I have the impression as an outsider that the various incarnations of these
> drivers (Linux, FreeBSD, DPDK) are loosely synchronized forks maintained at
> considerable effort by each project. If there is actually a common core
> that is easy to adopt, I am interested!
> 
> (If dpdk-devel is the wrong mailing list for this discussion then perhaps
> you could reply with Cc: to a more suitable one and I will subscribe there.)
> 
> Cheers,
> -Luke

The code in those directories is "common" code that is maintained by Intel -
which is why you see repeated comments about not modifying it for DPDK. It is
just contained in it's own subfolder in each DPDK driver for easier updating 
off the internal Intel baseline.

/Bruce