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Date:	Wed, 12 Feb 2014 20:35:31 -0800
From:	"Luis R. Rodriguez" <>
To:	Ian Campbell <>
Cc:	"" <>,,
	Paul Durrant <>,
	Wei Liu <>,,
	"" <>
Subject: Re: [RFC 2/2] xen-netback: disable multicast and use a random hw MAC address

On Wed, Feb 12, 2014 at 8:27 PM, Luis R. Rodriguez
<> wrote:
> I have a test patch that now works that restricts xen-netback from
> getting any IPv4 and IPv6 addresses, and disables multicast. With this
> set in place the xen-frontend still gets IPv4 and IPv6 addresses and
> Multicast still works. This was tested under a shared physical
> environment, I'll have to test NAT next, and also see if we can enable
> this as an option for KVM for their TAP 'backend' interfaces.

Also perhaps a silly question, as I haven't yet looked carefully into
the qemu TAP usage / requirement yet, but has anyone considered just
having a dma-buf agent for us in userspace ? That'd remove any
redundant interfaces and do let qemu do DMA directly.

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