On Sat, 10 Jan 2009, Attila Nagy wrote:
Well, they can be used mostly interchangably - they socket option is just
implemented at a different layer.
Porting should be a case of a simple #ifdef. :)
I wonder what pf changes are needed..
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.
Robert N M Watson
Computer Laboratory
University of Cambridge
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