[ovs-discuss] (no subject)

Jesse Gross jesse at nicira.com
Fri May 4 20:27:52 UTC 2012

On Fri, May 4, 2012 at 1:00 PM, Chris Wright <chrisw at sous-sol.org> wrote:
> * Srinivasa R Kanduru (skanduru at gmail.com) wrote:
>> The physical interface is a wireless NIC. I assume that shouldn't have any
>> bearing on the behaviour.
> Yes, it does.  Seems that OVS ought to do something like:
> Subject: [PATCH] openvswitch: honour IFF_DONT_BRIDGE
> From: Chris Wright <chrisw at sous-sol.org>
> Especially in the case of wireless, the netdev may not work properly.
> Signed-off-by: Chris Wright <chrisw at sous-sol.org>

Thanks Chris.  One issue is that OVS can potentially be used to do
more than just straight bridging.  If you imagine it being used as a
bump in the wire to do filtering, for example, then it should still be
OK to use with wireless devices.  Over time, we've either relaxed or
moved to userspace similar checks in order to provide maximum
flexibility - i.e. disabling LRO is something that we're now doing in
userspace because it's not always strictly necessary and userspace has
more information.  Can you think of a way to do something similar

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