[dpdk-dev] [RFC] librte_pmd_packet: add PMD for AF_PACKET-based virtual devices
John W. Linville
linville at tuxdriver.com
Fri Jun 6 21:57:06 CEST 2014
On Fri, Jun 06, 2014 at 12:47:48PM -0700, Chris Wright wrote:
> * John W. Linville (linville at tuxdriver.com) wrote:
> > This is a Linux-specific virtual PMD driver backed by an AF_PACKET
> > socket. The current implementation uses mmap'ed ring buffers to
> > limit copying and user/kernel transitions. The intent is also to take
> > advantage of fanout and any future AF_PACKET optimizations as well.
> >
> > This is intended to provide a means for using DPDK on a broad range
> > of hardware without hardware-specifi 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.
>
> Nice, have you compared yet w/ PCAP numbers?
No, sorry -- definitely needs more testing, including performance numbers...
John
--
John W. Linville Someday the world will need a hero, and you
linville at tuxdriver.com might be all we have. Be ready.
More information about the dev
mailing list