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xen-devel
Re: [Xen-devel] [PATCH] allow netif frontend to indicate ethernet multic
On 22 Nov 2007, at 2:12pm, Kieran Mansley wrote:
On Thu, 2007-11-22 at 14:01 +0000, Keir Fraser wrote:
How does a frontend detect whether these options are supported by the
backend? What happens across save/restore? Would this be better
implemented
by a multicast list in xenstore?
A per-guest-vif list in xenstore would also have the advantage that it
would be easily accessible and usable by the network acceleration
modules, without having to republish the add/remove requests from
netback to any registered accelerators.
The best approach for accelerators would seem to depend somewhat on
the hardware implementation. If the frontend plugin is able to deal
with the request, there might be no need for the backend plugin to do
anything.
Having netfront propagate the request to both the frontend plugin and
the backend (which would relay it to the backend plugin) seems
straightforward.
Parsing the xenstore entries in more than one place seems like an odd
approach, particularly as there would ideally be coordination between
the software driver and the accelerator.
dme.
--
David Edmondson, Solaris Engineering, http://dme.org
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