UDP Lite support

[John Baldwin]

On Thursday, March 27, 2014 5:32:16 am Kevin Lo wrote:
> >>> Are you interested in working on these and report back?
> >> The revised patch is available at:
> >> http://people.freebsd.org/~kevlo/udplite.diff
> 
> Thank you for your suggestions.
> 
> > A few suggestions:
> >
> > - I would just drop the INP lock and return EOPNOTSUPP directly rather
> >    than using goto's to 'bad_setoptname' and 'bad_getoptname' so the
> >    UDP-lite options are self-contained.
> 
> Fixed.

Thanks.

> > - I'm not a super big fan of all the udp_common_* macros only because
> >    I think it obfuscates things.  At the very least, please move these
> >    things out of the header and into udp_usrreq.c so they are closer
> >    to the implementation.  I would even suggest making them inline
> >    functions instead of macros.
> 
> Okay, I removed two udp_common_* macros.  I also renamed udp_common_init()
> to udp_udplite_init() and moved it into udp_usrreq.c.  Using a macro here
> to follow the style used in SCTP (sctp_os_bsd.h).
> 
> Here's a third version of the udp-lite patch:
> http://people.freebsd.org/~kevlo/udplite.diff

Ok, I would say that udp_common_init() is actually a better name if you keep 
the macro (which I think is fine) rather than udp_udplite_init() as the macro 
is not specific to UDP Lite.  However, thanks for moving the macros out of the 
header.

-- 
John Baldwin