svn commit: r186955 - in head/sys: conf netinet

Adrian Chadd adrian at
Sat Jan 10 10:12:31 PST 2009

2009/1/10 Robert Watson <rwatson at>:

> I think Julian's analysis, that this is more of an inet option than a
> socket-layer option, seems more appropriate to me, the benefits of
> portability in adopting the API used by OpenBSD/BSDI/etc seem more
> compelling.  We should make sure that, if we move to the socket option used
> on those systems, we block setting it on non-supporting protocols, or
> confusion will result.  In particular, Adrian's change only modified IPv4,
> not IPv6, so until it's implemented on IPv6 it shouldn't be possible to set
> the option.

I'm happy to (eventually) also implement the BSDI API once I actually
spend time looking at what the difference in behaviours are. If we're
lucky, the only difference is where the socket option hooks in and the
actual network behaviour is the same.

(Meanwhile, I think I have to go off and implement this particular
behaviour in Squid, and see if the OpenBSD support indeed does
function as advertised.)


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