In some mail from itojun@iijlab.net, sie said:
> 
> >Itojun, if you're serious about making this cross platform and
> >not require PF then code like this:
> >+#if NPF > 0
> >+               tagvalue = pf_tagname2tag(tag->sadb_x_tag_name);
> >+               /* tag refcnt++ */
> >+               newsp = key_getspbytag(tagvalue, xpl0->sadb_x_policy_dir);
> >+#else
> >+               panic("PF");
> >+#endif
> >has to change before it goes in NetBSD.
> 
> 	see the code above there.  the "panic" part will never be visited.

And why won't it if I have a kernel that doesn't have PF but instead
uses another 3rd party classifier ?

Or if the "panic" part will never be visited, why is it there ?

One way or another, it seems, to me, to need fixing.

Darren