From: Or Gerlitz <ogerlitz@voltaire.com>
To: Anthony Liguori <anthony@codemonkey.ws>
Cc: "Michael S. Tsirkin" <mst@redhat.com>,
Sridhar Samudrala <sri@us.ibm.com>,
avi@redhat.com, markmc@redhat.com, kvm@vger.kernel.org,
qemu-devel@vger.kernel.org
Subject: Re: [PATCH qemu-kvm] Add raw(af_packet) network backend to qemu
Date: Mon, 01 Feb 2010 17:47:40 +0200 [thread overview]
Message-ID: <4B66F79C.7040007@voltaire.com> (raw)
In-Reply-To: <4B6099E0.40101@codemonkey.ws>
Anthony Liguori wrote:
> Considering VEPA enabled hardware doesn't exist today and the
> standards aren't even finished being defined, I don't think it's a
> really strong use case ;-)
Anthony,
VEPA enabled NIC hardware is live and kicking, maybe even @ your onboard
1Gbs NIC: the intel 82576 (<-- Linux igb network driver) supports SR-IOV
&& VEPA:
1. register exists which dictates whether the NIC does switching between
the different VFs or just send every packet transmitted from the VF to
the "uplink" PF
2. a logic exists which makes sure a "downstream" (incoming from the
network) packet is never sent to a VF who has the source mac of this
packet, which account for multicast support.
To learn more about that, see the "Intel 82576 SR-IOV Driver Companion
Guide", available on the web.
Or.
next prev parent reply other threads:[~2010-02-01 15:47 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-26 20:40 [PATCH qemu-kvm] Add raw(af_packet) network backend to qemu Sridhar Samudrala
2010-01-26 20:47 ` Anthony Liguori
2010-01-26 20:50 ` Anthony Liguori
2010-01-26 23:19 ` Sridhar Samudrala
2010-01-27 9:24 ` Michael S. Tsirkin
2010-01-27 9:34 ` Arnd Bergmann
2010-01-27 9:44 ` Michael S. Tsirkin
2010-01-27 14:03 ` Anthony Liguori
2010-01-27 21:39 ` Arnd Bergmann
2010-01-27 22:56 ` Sridhar Samudrala
2010-01-28 6:06 ` Arnd Bergmann
2010-01-28 16:53 ` Jens Osterkamp
2010-01-28 11:22 ` Or Gerlitz
2010-01-29 20:52 ` Sridhar Samudrala
2010-01-27 14:07 ` Anthony Liguori
2010-01-27 16:59 ` Michael S. Tsirkin
2010-01-27 17:07 ` Anthony Liguori
2010-01-27 17:25 ` Michael S. Tsirkin
2010-01-27 17:36 ` Anthony Liguori
2010-01-27 17:54 ` Sridhar Samudrala
2010-01-27 18:02 ` Anthony Liguori
2010-01-27 18:03 ` Michael S. Tsirkin
2010-01-27 19:54 ` Anthony Liguori
2010-01-28 8:12 ` Arnd Bergmann
2010-01-28 13:56 ` Michael S. Tsirkin
2010-01-28 14:13 ` Anthony Liguori
2010-01-28 14:39 ` Anthony Liguori
2010-01-28 14:52 ` Michael S. Tsirkin
2010-01-28 15:05 ` Anthony Liguori
2010-01-28 16:37 ` Michael S. Tsirkin
2010-01-28 17:58 ` Anthony Liguori
2010-01-28 18:04 ` Michael S. Tsirkin
2010-01-28 19:57 ` Anthony Liguori
2010-01-29 11:26 ` Michael S. Tsirkin
2010-01-28 20:29 ` Arnd Bergmann
2010-02-01 15:47 ` Or Gerlitz [this message]
2010-01-27 18:12 ` Michael S. Tsirkin
2010-01-26 23:15 ` Sridhar Samudrala
2010-01-27 0:06 ` [Qemu-devel] " Anthony Liguori
2010-01-27 6:52 ` Arnd Bergmann
2010-01-27 14:14 ` Anthony Liguori
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