Re: [RFC 2/2] xen-netback: disable multicast and use a random hw MAC address

From: Luis R. Rodriguez
Date: Wed Feb 12 2014 - 23:36:01 EST


On Wed, Feb 12, 2014 at 8:27 PM, Luis R. Rodriguez
<mcgrof@xxxxxxxxxxxxxxxx> 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.

Luis
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/