2014-07-11 10:51, John W. Linville:
> On Fri, Jul 11, 2014 at 03:26:39PM +0200, Thomas Monjalon wrote:
> > 2014-07-10 16:32, John W. Linville:
> > > This is a Linux-specific virtual PMD driver backed by an AF_PACKET
> > > socket. This implementation uses mmap'ed ring buffers to limit copying
> > > and user/kernel transitions. The PACKET_FANOUT_HASH behavior of
> > > AF_PACKET is used for frame reception. In the current implementation,
> > > Tx and Rx queues are always paired, and therefore are always equal
> > > in number -- changing this would be a Simple Matter Of Programming.
> > >
> > > Interfaces of this type are created with a command line option like
> > > "--vdev=eth_packet0,iface=...". There are a number of options availabe
> > >
> > > as arguments:
> > > - Interface is chosen by "iface" (required)
> > > - Number of queue pairs set by "qpairs" (optional, default: 16)
> > > - AF_PACKET MMAP block size set by "blocksz" (optional, default: 4096)
> > > - AF_PACKET MMAP frame size set by "framesz" (optional, default: 2048)
> > > - AF_PACKET MMAP frame count set by "framecnt" (optional, default: 512)
> > >
> > > Signed-off-by: John W. Linville <linville at tuxdriver.com>
> > > ---
> > > This PMD is intended to provide a means for using DPDK on a broad
> > > range of hardware without hardware-specific PMDs and (hopefully)
> > > with better performance than what PCAP offers in Linux. This might
> > > be useful as a development platform for DPDK applications when
> > > DPDK-supported hardware is expensive or unavailable.
> >
> > Thank you for this nice work.
> >
> > I think it would be well suited to host this PMD as an external one in
> > order to make it work also with DPDK 1.7.0.
>
> I'm not sure I understand the suggestion -- you don't want to merge
> the driver for 1.8? Or you just want to host this patch somewhere,
> so people can still use it w/ 1.7?
I suggest to have a separated repository here:
http://dpdk.org/browse/
--
Thomas
