Ray Mihm wrote:
Using ipfw tables is essentially a non-starter, IMHO. How would
routing protocols use ipfw based tables, for example? Marko's work
touches a lot of files, but I don't think it's heavy weight.
I also think using Marko's idea and Jails would allow create the
notion of a logical system and multiple such logical systems may be
configured on a single FreeBSD system.
Regards,
Ray.
Don't get me wrong.. I very much like vimage, and it is a great pitty
that it
(in the form it is in now)
is basically incompatible in concept with freeBSD 5+ (where most things
are modules)(*).
I've even done some small work on prototyping how one MIGHT be able to
make it happen, but for what I want (just be able to have some packets use
an alternative routing table), having ipfw fwd them according to a table
does just fine.
(*) The problem is that moving all globals to a structure only works if
you know what globals
are linked in. If you load a module, you need to expand the structure.
This is problematic
to say the least. The same problem has been solved with
Thread-local-storage using hooks
in the compiler and linker but I don't think we can do that in the
kernel. (at least not easily).
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