From owner-freebsd-hackers  Mon Jul 14 18:36:27 1997
Return-Path: <owner-hackers>
Received: (from root@localhost)
          by hub.freebsd.org (8.8.5/8.8.5) id SAA27125
          for hackers-outgoing; Mon, 14 Jul 1997 18:36:27 -0700 (PDT)
Received: from implode.root.com (implode.root.com [198.145.90.17])
          by hub.freebsd.org (8.8.5/8.8.5) with ESMTP id SAA27120
          for <freebsd-hackers@FreeBSD.ORG>; Mon, 14 Jul 1997 18:36:24 -0700 (PDT)
Received: from implode.root.com (localhost [127.0.0.1])
	by implode.root.com (8.8.5/8.8.5) with ESMTP id SAA12200;
	Mon, 14 Jul 1997 18:36:53 -0700 (PDT)
Message-Id: <199707150136.SAA12200@implode.root.com>
To: Vinay Bannai <vinay@agni.nuko.com>
cc: freebsd-hackers@FreeBSD.ORG
Subject: Re: PCI ethernet driver clarification?? 
In-reply-to: Your message of "Mon, 14 Jul 1997 16:44:44 PDT."
             <199707142344.QAA11206@agni.nuko.com> 
From: David Greenman <dg@root.com>
Reply-To: dg@root.com
Date: Mon, 14 Jul 1997 18:36:53 -0700
Sender: owner-hackers@FreeBSD.ORG
X-Loop: FreeBSD.org
Precedence: bulk

>I am in the middle of writing a PCI driver for i960 based card. I am using
>the fxp driver for clarifications (since it is more elegant than de
>driver). After searching through the files, I still have not figured out
>the exact function of each member of the fxp_csr and the fxp_cb_config
>structure in if_fxp.h.

   Struct fxp_csr are the control/status registers for the controller.
   Struct fxp_cb_config is a special configuration data structure that is
initialized and DMAed to the card in order to configure various internal
parameters.
   Sorry, I should better document the header file/register definitions.

-DG

David Greenman
Core-team/Principal Architect, The FreeBSD Project