On Oct 6, 2014, at 1:13 PM, Ben Pfaff <b...@nicira.com> wrote:

> On Wed, Oct 01, 2014 at 04:02:31PM -0700, Jarno Rajahalme wrote:
>> Add function flow_wildcards_init_for_packet() that can be used to set
>> sensible wildcards when megaflows are disabled.  Before this, we set
>> all the mask bits to ones, which caused priting tunnel, mpls, and/or
> 
> s/priting/printing/
> 
>> trasport port fields even for packets for which it makes no sense.
>> 
>> This has the side effect of generating different megaflow masks for
>> different packet types, so there will be more than one kind of mask in
>> the datapath classifier.  This should not make practical difference,
>> though.
> 
> How did you conclude that it will not make a practical difference?

If someone cares for performance, they should not disable megaflows. In other 
words, this patch makes the “slowness” of disabled megaflows a bit worse.

> 
> Acked-by: Ben Pfaff <b...@nicira.com>

Thanks!

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