From owner-freebsd-hackers  Fri May 28  1:41:15 1999
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From: Ladavac Marino <mladavac@metropolitan.at>
To: 'Emmanuel Duros' <Emmanuel.Duros@sophia.inria.fr>,
	freebsd-hackers@freebsd.org
Subject: RE: FreeBSD 3.2 - new ifnet structure
Date: Fri, 28 May 1999 10:34:10 +0200
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> -----Original Message-----
> From:	Emmanuel Duros [SMTP:Emmanuel.Duros@sophia.inria.fr]
> Sent:	Friday, May 28, 1999 10:19 AM
> To:	freebsd-hackers@freebsd.org
> Subject:	FreeBSD 3.2 - new ifnet structure
> 
> 
> The last FreeBSD release provides a new ifnet structure different from
> the one in 2.x-R.
> 
> In 2.x-R we can have this code:
> 
> {
> struct ifnet *ifp = ifnet;
> 
> /* go through the ifnet list */
> for ( ifp = ifnet; ifp; ifp = ifp->if_next)
> ...
> }
> 
> What is it in 3.x-R assuming that the global variable ifnet is a
> 'struc
> ifnethead' and there is not if_next member ?
> 
> BTW, I have not found the definition of the ifnethead structure, in
> what 
> file is it ?
	[ML]  I don't have the source in front of me, but I think it
uses queue.h macros now so that the definition probably looks like
		typedef LIST_HEAD( something, ifnet ) ifnethead;

	where LIST could also be TAILQ, CIRCQ, or something else (the
AIX version of sys/queue.h contains only these three).

	/Marino

> Thanks
> 
> Emmanuel
> 
> 
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