Subject: Re: if_fddisubr.c fix for netiso
To: None <tech-net@NetBSD.org>
From: David Young <dyoung@pobox.com>
List: tech-net
Date: 12/05/2006 10:32:40
On Tue, Dec 05, 2006 at 05:23:21PM +0100, Ignatios Souvatzis wrote:
> On Tue, Dec 05, 2006 at 10:12:13AM -0600, David Young wrote:
> > On Tue, Dec 05, 2006 at 01:34:59PM +0100, Ignatios Souvatzis wrote:
> > > Here's part two of the patches, for FDDI (again, netiso/clnp_input.c and
> > > netinet/fddi_subr.c). Sorry, wrong subject on the first try, and I fear
> > > the designated alpha testers wouldn't see it.
> > > 
> > > I did test that it compiles, but not run-time - no FDDI here. Testers
> > > can use the package at 
> > > 
> > > ftp://ftp.netbsd.org/pub/NetBSD/misc/is/isotest/
> > > 
> > > It comes with a README file that explains how to setup two machines and
> > > send an ISO CLTP packet from one to the other.
> > > 
> > 
> > I count at least three anonymous numbers (see below).  I am mystified. :-)
> > 
> > > Index: sys/netiso/clnp_input.c
> > > ===================================================================
> > > RCS file: /cvsroot/src/sys/netiso/clnp_input.c,v
> > > retrieving revision 1.31
> > > diff -u -r1.31 clnp_input.c
> > > --- sys/netiso/clnp_input.c	1 Dec 2006 18:43:40 -0000	1.31
> > > +++ sys/netiso/clnp_input.c	4 Dec 2006 21:20:11 -0000
> > > @@ -204,9 +204,8 @@
> > >  	case IFT_FDDI:
> > >  		bcopy((caddr_t) (mtod(m, struct fddi_header *)->fddi_dhost),
> > >  		  (caddr_t) sh.snh_dhost, 2 * sizeof(sh.snh_dhost));
> > > -		m->m_data += sizeof(struct fddi_header);
> > > -		m->m_len -= sizeof(struct fddi_header);
> > > -		m->m_pkthdr.len -= sizeof(struct fddi_header);
> > > +
> > > +		m_adj(m, sizeof(struct fddi_header) + 3);
> > 
> > 3?
> 
> That's LLC_UFRAMELEN, and anonymous in the old version of the code, too.
> I planned to replace that seperately, but could do that in the same step, if
> you insist.

I was just mentioning, in case you were planning a more general cleanup.
I insist on nothing.

Dave

-- 
David Young             OJC Technologies
dyoung@ojctech.com      Urbana, IL * (217) 278-3933