From: "John W. Linville" <linville@tuxdriver.com>
To: Chris Wright <chrisw@redhat.com>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [RFC] librte_pmd_packet: add PMD for AF_PACKET-based virtual devices
Date: Fri, 6 Jun 2014 15:57:06 -0400 [thread overview]
Message-ID: <20140606195706.GB13595@tuxdriver.com> (raw)
In-Reply-To: <20140606194748.GT16092@x220.localdomain>
On Fri, Jun 06, 2014 at 12:47:48PM -0700, Chris Wright wrote:
> * John W. Linville (linville@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@tuxdriver.com might be all we have. Be ready.
next prev parent reply other threads:[~2014-06-06 19:59 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-06 19:25 John W. Linville
2014-06-06 19:47 ` Chris Wright
2014-06-06 19:57 ` John W. Linville [this message]
2014-06-06 20:04 ` Richardson, Bruce
2014-06-06 20:06 ` Chris Wright
2014-06-06 20:30 ` Neil Horman
2014-06-06 20:36 ` John W. Linville
2014-06-06 20:51 ` Neil Horman
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