As I checked the specification, you're right. the in_port is just a
placeholder if OFPFW_IN_PORT is set to 1.

2013/4/28 FUJITA Tomonori <[email protected]>

> On Sun, 28 Apr 2013 15:09:00 +0800
> Can Zhang <[email protected]> wrote:
>
> > > +        if in_port is None:
> > > +            self.in_port = 0
> >
> > I think None should be OFPP_NONE here, not zero
> > Other parts look fine, please update the repo.
>
> Hmm, I'm not sure. if in_port is None, we don't clear OFPFW_IN_PORT
> bit. So as long as a value makes its serialize() happy, it doesn't
> matter. The spec says that in_port in OFPMatch should be OFPP_NONE
> when OFPFW_IN_PORT bit is not cleared?
>



-- 
Best regards,
Can Zhang
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