From: David Miller <davem@davemloft.net>
To: sri@us.ibm.com
Cc: arnd@arndb.de, kaber@trash.net, shemminger@vyatta.com,
mst@redhat.com, netdev@vger.kernel.org, kvm@vger.kernel.org
Subject: Re: [PATCH] macvlan: Introduce 'passthru' mode to takeover the underlying device
Date: Mon, 22 Nov 2010 08:24:41 -0800 (PST) [thread overview]
Message-ID: <20101122.082441.71132032.davem@davemloft.net> (raw)
In-Reply-To: <1288307450.30131.82.camel@sridhar.beaverton.ibm.com>
From: Sridhar Samudrala <sri@us.ibm.com>
Date: Thu, 28 Oct 2010 16:10:50 -0700
> With the current default 'vepa' mode, a KVM guest using virtio with
> macvtap backend has the following limitations.
> - cannot change/add a mac address on the guest virtio-net
> - cannot create a vlan device on the guest virtio-net
> - cannot enable promiscuous mode on guest virtio-net
>
> To address these limitations, this patch introduces a new mode called
> 'passthru' when creating a macvlan device which allows takeover of the
> underlying device and passing it to a guest using virtio with macvtap
> backend.
>
> Only one macvlan device is allowed in passthru mode and it inherits
> the mac address from the underlying device and sets it in promiscuous
> mode to receive and forward all the packets.
>
> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
Applied, thanks Sridhar.
prev parent reply other threads:[~2010-11-22 16:24 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-28 23:10 [PATCH] macvlan: Introduce 'passthru' mode to takeover the underlying device Sridhar Samudrala
2010-10-29 13:45 ` Arnd Bergmann
2010-10-30 16:57 ` Michael S. Tsirkin
2010-10-30 17:03 ` Michael S. Tsirkin
2010-10-30 20:55 ` Sridhar Samudrala
2010-11-22 16:24 ` David Miller [this message]
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