On Feb 4, 2013, at 2:59 PM, Ethan Jackson <et...@nicira.com> wrote:
>> I figured this out. It looks like the flow based tunneling changes no longer 
>> propagate the destination UDP port down to VXLAN, which requires it. Because 
>> of this, the VXLAN vport code in the kernel is returning an error. I'll go 
>> ahead and fix these up now.
> 
> Yep I noticed this last Friday, probably should have sent an email out
> to the list so no one else was surprised.
> 
> Unfortunately, I don't think the fix for this problem is totally
> straight forward.  Currently the code has the assumption that a given
> ofport will only use one tnl_backer datapath port over it's lifetime.
> But with VXLAN ports, it's possible that an ofport's netdev
> configuration will change, and as a result it will have to switch to a
> new tnl_backer with a different config.  I have some ideas which I
> think will resolve this issue, but I haven't gotten terribly far into
> the implementation. If you'd like to take it on, I'd be happy to
> discuss further, otherwise I'll probably have a fix out in the next
> couple of days.
> 
Yes, I'd like to help here. Can you shoot me any ideas you may have?
I've been looking at this in my free time today. Tomorrow I should be
able to dedicate most of the day to it.

> Ethan
> 
> 
>> 
>> I guess this also signifies I should add some unit tests for VXLAN code to 
>> catch these sorts of things. I'll add that to my list of items to work on as 
>> well.
>> 
>> Thanks,
>> Kyle
>> 
>> _______________________________________________
>> dev mailing list
>> dev@openvswitch.org
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