On Fri, Aug 8, 2014 at 1:28 PM, Jarno Rajahalme <jrajaha...@nicira.com> wrote:
> On Aug 5, 2014, at 10:57 AM, Jesse Gross <je...@nicira.com> wrote:
>
>> On Fri, Jul 18, 2014 at 8:15 AM, Jarno Rajahalme <jrajaha...@nicira.com> 
>> wrote:
>>> On May 8, 2014, at 1:27 PM, Jesse Gross <je...@nicira.com> wrote:
>> One difficulty that comes to mind is that for tunnel operations we
>> just set a pointer into the flow, which can be difficult for masks
>> since there isn't really anywhere to write the masked result to.
>> However, since we are already converting the tunnel mask actions at
>> flow setup and the initial state is known, one thought that comes to
>> mind is simply converting masked actions to non-masked during the
>> conversion.
>>
>> I'm just trying to see if we can avoid transferring this complexity to
>> userspace.
>>
>
> The tunnel key is already a special case for the input/output issue 
> referenced above, also for userspace. Set tunnel action is triggered for 
> tunnel output only, i.e. even if tunnel ID is set, it has no effect unless 
> the packet is output to a tunnel port.  think leaving the set tunnel action 
> out of the masked set action is not making this difference any worse.

OK, that's fine.
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