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To: Bruce Evans <bde@zeta.org.au>
cc: FreeBSD-Current@freebsd.org, gpalmer@freebsd.org
Subject: Re: Linker sets & structures for networking code 
In-reply-to: Your message of "Tue, 02 Apr 1996 21:27:47 +1000."
             <199604021127.VAA11042@godzilla.zeta.org.au> 
Date: Tue, 02 Apr 1996 12:23:10 +0000
Message-ID: <2946.828447790@critter.tfs.com>
From: Poul-Henning Kamp <phk@critter.tfs.com>
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> >Which brings me to another problem with this code. The first field of
> >the `protosw' structure is:
> 
> >        short   pr_type;                /* socket type used for */
> 
> >Which (if I understand the way this works right - I haven't been able
> >to backtrack through the networking code enough to verify this) is
> >used to match the requested protocol type against available protocol
> >types. Since (in uipc_proto.c) pr_type for the raw_* stuff is declared
> >as `0', I can't see how raw_input ever gets call via the localsw
> >array. (Infact there are several examples of `raw_input' being called
> >which bypasses localsw totally). So why on earth is it there?!?

My conclusion was that it was an attempt to please the OSI powers that
were, without completely wrecking the performance.

I could, for all I can see, be ripped out.

--
Poul-Henning Kamp           | phk@FreeBSD.ORG       FreeBSD Core-team.
http://www.freebsd.org/~phk | phk@login.dknet.dk    Private mailbox.
whois: [PHK]                | phk@ref.tfs.com       TRW Financial Systems, Inc.
Future will arrive by its own means, progress not so.