1995-02-17 02:22:57 +00:00
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/*
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* This code is based on
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* (1) FreeBSD implementation on ISA/EISA Ethelink III by Herb Peyerl
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* (2) Linux implementation on PCMCIA Etherlink III by Devid Hinds
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1995-03-31 06:10:22 +00:00
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* (3) FreeBSD implementation on PCMCIA IBM Ethernet Card I/II
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1995-02-17 02:22:57 +00:00
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* by David Greenman
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* (4) RT-Mach implementation on PCMCIA/ISA/EISA Etherlink III
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* by Seiji Murata
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*
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* Copyright (c) by HOSOKAWA, Tatsumi <hosokawa@mt.cs.keio.ac.jp>
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* Copyright (c) by Seiji Murata <seiji@mt.cs.keio.ac.jp>
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*/
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/*
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* Copyright (c) 1993 Herb Peyerl <hpeyerl@novatel.ca>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* From: if_ep.c,v 1.9 1994/01/25 10:46:29 deraadt Exp $
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1998-06-07 17:13:14 +00:00
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* $Id: if_zp.c,v 1.47 1998/05/26 02:28:18 jmb Exp $
|
1995-02-17 02:22:57 +00:00
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*/
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/*-
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* TODO:
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* [1] integrate into current if_ed.c
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* [2] parse tuples to find out where to map the shared memory buffer,
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* and what to write into the configuration register
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* [3] move pcic-specific code into a separate module.
|
1995-03-31 06:10:22 +00:00
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*
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1995-02-17 02:22:57 +00:00
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* Device driver for IBM PCMCIA Credit Card Adapter for Ethernet,
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* if_ze.c
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*
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* Based on the Device driver for National Semiconductor DS8390 ethernet
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* adapters by David Greenman. Modifications for PCMCIA by Keith Moore.
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* Adapted for FreeBSD 1.1.5 by Jordan Hubbard.
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*
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* Currently supports only the IBM Credit Card Adapter for Ethernet, but
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* could probably work with other PCMCIA cards also, if it were modified
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* to get the locations of the PCMCIA configuration option register (COR)
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* by parsing the configuration tuples, rather than by hard-coding in
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* the value expected by IBM's card.
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*
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* Sources for data on the PCMCIA/IBM CCAE specific portions of the driver:
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*
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* [1] _Local Area Network Credit Card Adapters Technical Reference_,
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* IBM Corp., SC30-3585-00, part # 33G9243.
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* [2] "pre-alpha" PCMCIA support code for Linux by Barry Jaspan.
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* [3] Intel 82536SL PC Card Interface Controller Data Sheet, Intel
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* Order Number 290423-002
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* [4] National Semiconductor DP83902A ST-NIC (tm) Serial Network
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* Interface Controller for Twisted Pair data sheet.
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*
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*
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* Copyright (C) 1993, David Greenman. This software may be used, modified,
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* copied, distributed, and sold, in both source and binary form provided
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* that the above copyright and these terms are retained. Under no
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* circumstances is the author responsible for the proper functioning
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* of this software, nor does the author assume any responsibility
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* for damages incurred with its use.
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*/
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/*======================================================================
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A PCMCIA ethernet driver for the 3com 3c589 card.
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1995-03-31 06:10:22 +00:00
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1995-02-17 02:22:57 +00:00
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Written by David Hinds, dhinds@allegro.stanford.edu
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The network driver code is based on Donald Becker's 3c589 code:
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1995-03-31 06:10:22 +00:00
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1995-02-17 02:22:57 +00:00
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Written 1994 by Donald Becker.
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Copyright 1993 United States Government as represented by the
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Director, National Security Agency. This software may be used and
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distributed according to the terms of the GNU Public License,
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incorporated herein by reference.
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Donald Becker may be reached at becker@cesdis1.gsfc.nasa.gov
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1995-03-31 06:10:22 +00:00
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1995-02-17 02:22:57 +00:00
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======================================================================*/
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/*
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* I doubled delay loops in this file because it is not enough for some
|
1995-03-31 06:10:22 +00:00
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* laptop machines' PCIC (especially, on my Chaplet ILFA 350 ^^;).
|
1995-02-17 02:22:57 +00:00
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* HOSOKAWA, Tatsumi <hosokawa@mt.cs.keio.ac.jp>
|
1995-03-31 06:10:22 +00:00
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*/
|
1995-02-17 02:22:57 +00:00
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/*
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* Very small patch for IBM Ethernet PCMCIA Card II and IBM ThinkPad230Cs.
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* ETO, Toshihisa <eto@osl.fujitsu.co.jp>
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*/
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1998-02-13 06:49:16 +00:00
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/* XXX don't mix different PCCARD support code. */
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1997-10-26 04:36:24 +00:00
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#include "card.h"
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1997-02-13 22:48:19 +00:00
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#include "pcic.h"
|
1997-10-26 04:36:24 +00:00
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#if NCARD > 0 || NPCIC > 0
|
1998-02-13 06:49:16 +00:00
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#include "opt_lint.h"
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#ifdef COMPILING_LINT
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static char const zpdummy[] = "code to use the includes of card.h and pcic.h";
|
1997-01-13 05:22:40 +00:00
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#else
|
1998-02-13 06:49:16 +00:00
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#error "Dedicated PCMCIA drivers and generic PCMCIA support can't be mixed"
|
1997-01-13 05:22:40 +00:00
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#endif
|
1996-12-21 17:53:39 +00:00
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#endif
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1995-02-17 02:22:57 +00:00
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#include "zp.h"
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#include "bpfilter.h"
|
1998-01-08 23:42:31 +00:00
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#include "opt_inet.h"
|
1997-12-15 20:31:25 +00:00
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#include "opt_ipx.h"
|
1995-02-17 02:22:57 +00:00
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#include <sys/param.h>
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#if defined(__FreeBSD__)
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#include <sys/systm.h>
|
1995-11-18 08:58:14 +00:00
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#include <sys/conf.h>
|
1995-02-17 02:22:57 +00:00
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#endif
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#include <sys/mbuf.h>
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#include <sys/socket.h>
|
1997-03-24 11:33:46 +00:00
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#include <sys/sockio.h>
|
1995-02-17 02:22:57 +00:00
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#include <sys/syslog.h>
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#include <net/if.h>
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#ifdef INET
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#include <netinet/in.h>
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#include <netinet/if_ether.h>
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#endif
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|
1995-10-26 20:31:59 +00:00
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#ifdef IPX
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#include <netipx/ipx.h>
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#include <netipx/ipx_if.h>
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#endif
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|
1995-02-17 02:22:57 +00:00
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#ifdef NS
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#include <netns/ns.h>
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#include <netns/ns_if.h>
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#endif
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#if NBPFILTER > 0
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#include <net/bpf.h>
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#endif
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|
1995-03-28 07:58:53 +00:00
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#include <machine/clock.h>
|
1996-06-25 20:31:01 +00:00
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#include <machine/md_var.h>
|
1995-03-28 07:58:53 +00:00
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|
1995-02-17 02:22:57 +00:00
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|
#include <i386/isa/isa_device.h>
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#include <i386/isa/if_zpreg.h>
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#include <i386/isa/pcic.h>
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|
#include "apm.h"
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|
|
#if NAPM > 0
|
1995-02-26 05:14:53 +00:00
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#include <machine/apm_bios.h>
|
1995-12-13 10:35:36 +00:00
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|
#endif /* NAPM > 0 */
|
1995-02-17 02:22:57 +00:00
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|
1995-03-31 06:10:22 +00:00
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|
1995-02-17 02:22:57 +00:00
|
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|
/*****************************************************************************
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|
* Driver for Ethernet Adapter *
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|
*****************************************************************************/
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|
/*
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|
* zp_softc: per line info and status
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|
*/
|
1995-12-13 10:35:36 +00:00
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static struct zp_softc {
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|
struct arpcom arpcom; /* Ethernet common part */
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|
#define MAX_MBS 8 /* # of mbufs we keep around */
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struct mbuf *mb[MAX_MBS]; /* spare mbuf storage. */
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int next_mb; /* Which mbuf to use next. */
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|
int last_mb; /* Last mbuf. */
|
1996-11-11 17:11:08 +00:00
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|
int ep_io_addr; /* i/o bus address */
|
1995-12-13 10:35:36 +00:00
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|
char ep_connectors; /* Connectors on this card. */
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int tx_start_thresh;/* Current TX_start_thresh. */
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char bus32bit; /* 32bit access possible */
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|
|
u_short if_port;
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u_char last_alive; /* information for reconfiguration */
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|
|
u_char last_up; /* information for reconfiguration */
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|
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int slot; /* PCMCIA slot */
|
1997-09-21 21:41:49 +00:00
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|
struct callout_handle ch; /* Callout handle for timeouts */
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|
|
int buffill_pending;
|
1995-02-17 02:22:57 +00:00
|
|
|
#if NAPM > 0
|
1995-12-13 10:35:36 +00:00
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struct apmhook s_hook; /* reconfiguration support */
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|
struct apmhook r_hook; /* reconfiguration support */
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#endif /* NAPM > 0 */
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|
|
} zp_softc[NZP];
|
1995-02-17 02:22:57 +00:00
|
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|
1995-12-13 10:35:36 +00:00
|
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|
static int zpprobe __P((struct isa_device *));
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static int zpattach __P((struct isa_device *));
|
1995-11-18 08:58:14 +00:00
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|
static int zp_suspend __P((void *visa_dev));
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|
|
static int zp_resume __P((void *visa_dev));
|
1998-06-07 17:13:14 +00:00
|
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|
static int zpioctl __P((struct ifnet * ifp, u_long, caddr_t));
|
1995-02-17 02:22:57 +00:00
|
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|
static u_short read_eeprom_data __P((int, int));
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|
1995-12-13 10:35:36 +00:00
|
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static void zpinit __P((int));
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|
|
static void zpmbuffill __P((void *));
|
1995-02-26 05:14:53 +00:00
|
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|
static void zpmbufempty __P((struct zp_softc *));
|
1995-12-13 10:35:36 +00:00
|
|
|
static void zpread __P((struct zp_softc *));
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|
|
static void zpreset __P((int));
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|
|
static void zpstart __P((struct ifnet *));
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|
static void zpstop __P((int));
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|
|
static void zpwatchdog __P((struct ifnet *));
|
1995-02-17 02:22:57 +00:00
|
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|
|
struct isa_driver zpdriver = {
|
1995-12-13 10:35:36 +00:00
|
|
|
zpprobe,
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|
zpattach,
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"zp"
|
1995-02-17 02:22:57 +00:00
|
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|
};
|
|
|
|
#define CARD_INFO "3Com Corporation~3C589"
|
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|
|
|
|
|
|
static unsigned char card_info[256];
|
1995-03-31 06:10:22 +00:00
|
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|
1995-02-17 02:22:57 +00:00
|
|
|
/*
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|
|
|
* scan the card information structure looking for the version/product info
|
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|
* tuple. when we find it, compare it to the string we are looking for.
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|
|
* return 1 if we find it, 0 otherwise.
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|
|
*/
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|
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|
|
static int
|
1995-03-31 06:10:22 +00:00
|
|
|
zp_check_cis(unsigned char *scratch)
|
1995-02-17 02:22:57 +00:00
|
|
|
{
|
1995-12-13 10:35:36 +00:00
|
|
|
int i, j, k;
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|
card_info[0] = '\0';
|
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|
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i = 0;
|
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|
|
while (scratch[i] != 0xff && i < 1024) {
|
|
|
|
unsigned char link = scratch[i + 2];
|
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|
|
|
|
|
|
if (scratch[i] == 0x15) {
|
|
|
|
/* level 1 version/product info copy to card_info,
|
|
|
|
* translating '\0' to '~' */
|
|
|
|
k = 0;
|
|
|
|
for (j = i + 8; scratch[j] != 0xff; j += 2)
|
|
|
|
card_info[k++] = scratch[j] == '\0' ? '~' : scratch[j];
|
|
|
|
card_info[k++] = '\0';
|
|
|
|
return (bcmp(card_info, CARD_INFO, sizeof(CARD_INFO) - 1) == 0);
|
|
|
|
}
|
|
|
|
i += 4 + 2 * link;
|
1995-02-17 02:22:57 +00:00
|
|
|
}
|
1995-12-13 10:35:36 +00:00
|
|
|
return 0;
|
1995-02-17 02:22:57 +00:00
|
|
|
}
|
|
|
|
/*
|
|
|
|
* Probe each slot looking for an IBM Credit Card Adapter for Ethernet
|
|
|
|
* For each card that we find, map its card information structure
|
|
|
|
* into system memory at 'scratch' and see whether it's one of ours.
|
1995-03-31 06:10:22 +00:00
|
|
|
* Return the slot number if we find a card, or -1 otherwise.
|
1995-02-17 02:22:57 +00:00
|
|
|
*
|
|
|
|
* Side effects:
|
|
|
|
* + On success, leaves CIS mapped into memory at 'scratch';
|
|
|
|
* caller must free it.
|
|
|
|
* + On success, leaves ethernet address in enet_addr.
|
|
|
|
* + Leaves product/vendor id of last card probed in 'card_info'
|
|
|
|
*/
|
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
static int prev_slot = 0;
|
1995-02-17 02:22:57 +00:00
|
|
|
|
|
|
|
static int
|
1995-03-31 06:10:22 +00:00
|
|
|
zp_find_adapter(unsigned char *scratch, int reconfig)
|
1995-02-17 02:22:57 +00:00
|
|
|
{
|
1995-12-13 10:35:36 +00:00
|
|
|
int slot;
|
|
|
|
|
|
|
|
for (slot = prev_slot; slot < MAXSLOT; ++slot) {
|
|
|
|
/* see if there's a PCMCIA controller here Intel PCMCIA
|
|
|
|
* controllers use 0x82 and 0x83 IBM clone chips use 0x88 and
|
|
|
|
* 0x89, apparently */
|
|
|
|
/* IBM ThinkPad230Cs use 0x84. */
|
|
|
|
unsigned char idbyte = pcic_getb(slot, PCIC_ID_REV);
|
|
|
|
|
|
|
|
if (idbyte != 0x82 && idbyte != 0x83 &&
|
|
|
|
idbyte != 0x84 && /* for IBM ThinkPad 230Cs */
|
|
|
|
idbyte != 0x88 && idbyte != 0x89) {
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
if ((pcic_getb(slot, PCIC_STATUS) & PCIC_CD) != PCIC_CD) {
|
|
|
|
if (!reconfig) {
|
|
|
|
printf("zp: slot %d: no card in slot\n", slot);
|
|
|
|
} else {
|
|
|
|
log(LOG_NOTICE, "zp: slot %d: no card in slot\n", slot);
|
|
|
|
}
|
|
|
|
/* no card in slot */
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
pcic_power_on(slot);
|
|
|
|
pcic_reset(slot);
|
1997-04-21 13:38:32 +00:00
|
|
|
DELAY(50000);
|
1995-12-13 10:35:36 +00:00
|
|
|
/* map the card's attribute memory and examine its card
|
|
|
|
* information structure tuples for something we recognize. */
|
|
|
|
pcic_map_memory(slot, 0, kvtop(scratch), 0L,
|
|
|
|
0xFFFL, ATTRIBUTE, 1);
|
|
|
|
|
|
|
|
if ((zp_check_cis(scratch)) > 0) {
|
|
|
|
/* found it */
|
|
|
|
if (!reconfig) {
|
|
|
|
printf("zp: found card in slot %d\n", slot);
|
|
|
|
} else {
|
|
|
|
log(LOG_NOTICE, "zp: found card in slot %d\n", slot);
|
|
|
|
}
|
|
|
|
prev_slot = (prev_slot == MAXSLOT - 1) ? 0 : prev_slot + 1;
|
|
|
|
|
|
|
|
return slot;
|
|
|
|
} else {
|
|
|
|
if (!reconfig) {
|
|
|
|
printf("zp: pcmcia slot %d: %s\n", slot, card_info);
|
|
|
|
} else {
|
|
|
|
log(LOG_NOTICE, "zp: pcmcia slot %d: %s\n", slot, card_info);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
pcic_unmap_memory(slot, 0);
|
1995-02-17 02:22:57 +00:00
|
|
|
}
|
1995-12-13 10:35:36 +00:00
|
|
|
prev_slot = 0;
|
|
|
|
return -1;
|
1995-02-17 02:22:57 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* macros to handle casting unsigned long to (char *) so we can
|
|
|
|
* read/write into physical memory space.
|
|
|
|
*/
|
|
|
|
|
|
|
|
#define PEEK(addr) (*((unsigned char *)(addr)))
|
|
|
|
#define POKE(addr,val) do { PEEK(addr) = (val); } while (0)
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Determine if the device is present
|
|
|
|
*
|
|
|
|
* on entry:
|
|
|
|
* a pointer to an isa_device struct
|
|
|
|
* on exit:
|
|
|
|
* NULL if device not found
|
|
|
|
* or # of i/o addresses used (if found)
|
|
|
|
*/
|
1995-12-13 10:35:36 +00:00
|
|
|
static int
|
1995-03-31 06:10:22 +00:00
|
|
|
zpprobe(struct isa_device * isa_dev)
|
1995-02-17 02:22:57 +00:00
|
|
|
{
|
1995-12-13 10:35:36 +00:00
|
|
|
struct zp_softc *sc = &zp_softc[isa_dev->id_unit];
|
|
|
|
int slot;
|
|
|
|
u_short k;
|
|
|
|
int re_init_flag;
|
|
|
|
|
|
|
|
if ((slot = zp_find_adapter(isa_dev->id_maddr, isa_dev->id_reconfig)) < 0)
|
1996-07-12 04:12:25 +00:00
|
|
|
return 0;
|
1995-12-13 10:35:36 +00:00
|
|
|
|
|
|
|
/* okay, we found a card, so set it up */
|
|
|
|
/* Inhibit 16 bit memory delay. POINTETH.SYS apparently does this, for
|
|
|
|
* what reason I don't know. */
|
|
|
|
pcic_putb(slot, PCIC_CDGC,
|
|
|
|
pcic_getb(slot, PCIC_CDGC) | PCIC_16_DL_INH);
|
|
|
|
/* things to map (1) card's EEPROM is already mapped by the
|
|
|
|
* find_adapter routine but we still need to get the card's ethernet
|
|
|
|
* address. after that we unmap that part of attribute memory. (2)
|
|
|
|
* card configuration registers need to be mapped in so we can set the
|
|
|
|
* configuration and socket # registers. (3) shared memory packet
|
|
|
|
* buffer (4) i/o ports (5) IRQ */
|
1995-02-17 02:22:57 +00:00
|
|
|
#ifdef notdef
|
1995-12-13 10:35:36 +00:00
|
|
|
/* Sigh. Location of the ethernet address isn't documented in [1]. It
|
|
|
|
* was derived by doing a hex dump of all of attribute memory and
|
|
|
|
* looking for the IBM vendor prefix. */
|
|
|
|
enet_addr[0] = PEEK(isa_dev->id_maddr + 0xff0);
|
|
|
|
enet_addr[1] = PEEK(isa_dev->id_maddr + 0xff2);
|
|
|
|
enet_addr[2] = PEEK(isa_dev->id_maddr + 0xff4);
|
|
|
|
enet_addr[3] = PEEK(isa_dev->id_maddr + 0xff6);
|
|
|
|
enet_addr[4] = PEEK(isa_dev->id_maddr + 0xff8);
|
|
|
|
enet_addr[5] = PEEK(isa_dev->id_maddr + 0xffa);
|
1995-02-17 02:22:57 +00:00
|
|
|
#endif
|
1995-12-13 10:35:36 +00:00
|
|
|
re_init_flag = 0;
|
1995-02-17 02:22:57 +00:00
|
|
|
re_init:
|
1995-12-13 10:35:36 +00:00
|
|
|
/* (2) map card configuration registers. these are offset in card
|
|
|
|
* memory space by 0x20000. normally we could get this offset from
|
|
|
|
* the card information structure, but I'm too lazy and am not quite
|
|
|
|
* sure if I understand the CIS anyway.
|
|
|
|
*
|
|
|
|
* XXX IF YOU'RE TRYING TO PORT THIS DRIVER FOR A DIFFERENT PCMCIA CARD,
|
|
|
|
* the most likely thing to change is the constant 0x20000 in the next
|
|
|
|
* statement. Oh yes, also change the card id string that we probe
|
|
|
|
* for. */
|
|
|
|
pcic_map_memory(slot, 0, kvtop(isa_dev->id_maddr), 0x10000, 8L,
|
|
|
|
ATTRIBUTE, 1);
|
1996-02-28 16:23:36 +00:00
|
|
|
#if OLD_3C589B_CARDS
|
1995-12-13 10:35:36 +00:00
|
|
|
POKE(isa_dev->id_maddr, 0x80); /* reset the card (how long?) */
|
|
|
|
DELAY(40000);
|
1996-02-28 16:23:36 +00:00
|
|
|
#endif
|
1995-12-13 10:35:36 +00:00
|
|
|
/* Set the configuration index. According to [1], the adapter won't
|
|
|
|
* respond to any i/o signals until we do this; it uses the Memory
|
|
|
|
* Only interface (whatever that is; it's not documented). Also turn
|
|
|
|
* on "level" (not pulse) interrupts.
|
|
|
|
*
|
|
|
|
* XXX probably should init the socket and copy register also, so that we
|
|
|
|
* can deal with multiple instances of the same card. */
|
|
|
|
POKE(isa_dev->id_maddr, 0x41);
|
|
|
|
pcic_unmap_memory(slot, 0);
|
1995-03-31 06:10:22 +00:00
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
/* (4) map i/o ports.
|
|
|
|
*
|
|
|
|
* XXX is it possible that the config file leaves this unspecified, in
|
|
|
|
* which case we have to pick one?
|
|
|
|
*
|
|
|
|
* At least one PCMCIA device driver I'v seen maps a block of 32
|
|
|
|
* consecutive i/o ports as two windows of 16 ports each. Maybe some
|
|
|
|
* other pcic chips are restricted to 16-port windows; the 82365SL
|
|
|
|
* doesn't seem to have that problem. But since we have an extra
|
|
|
|
* window anyway... */
|
|
|
|
pcic_map_io(slot, 0, isa_dev->id_iobase, 16, 2);
|
|
|
|
|
|
|
|
/* (5) configure the card for the desired interrupt
|
|
|
|
*
|
|
|
|
* XXX is it possible that the config file leaves this unspecified? */
|
|
|
|
pcic_map_irq(slot, ffs(isa_dev->id_irq) - 1);
|
|
|
|
|
|
|
|
/* tell the PCIC that this is an I/O card (not memory) */
|
|
|
|
pcic_putb(slot, PCIC_INT_GEN,
|
|
|
|
pcic_getb(slot, PCIC_INT_GEN) | PCIC_CARDTYPE);
|
|
|
|
|
|
|
|
sc->ep_io_addr = isa_dev->id_iobase;
|
|
|
|
GO_WINDOW(0);
|
|
|
|
k = read_eeprom_data(BASE, EEPROM_ADDR_CFG); /* get addr cfg */
|
|
|
|
sc->if_port = k >> 14;
|
|
|
|
k = (k & 0x1f) * 0x10 + 0x200; /* decode base addr. */
|
|
|
|
if (k != (u_short) isa_dev->id_iobase) {
|
|
|
|
if (!re_init_flag) {
|
|
|
|
re_init_flag++;
|
|
|
|
goto re_init;
|
|
|
|
}
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
k = read_eeprom_data(BASE, EEPROM_RESOURCE_CFG);
|
1995-03-31 06:10:22 +00:00
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
k >>= 12;
|
1995-02-17 02:22:57 +00:00
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
if (isa_dev->id_irq != (1 << ((k == 2) ? 9 : k)))
|
|
|
|
return (0);
|
1995-02-17 02:22:57 +00:00
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
outb(BASE, ACTIVATE_ADAPTER_TO_CONFIG);
|
1995-02-17 02:22:57 +00:00
|
|
|
|
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
/* information for reconfiguration */
|
|
|
|
sc->last_alive = 0;
|
|
|
|
sc->last_up = 0;
|
|
|
|
sc->slot = slot;
|
1995-02-17 02:22:57 +00:00
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
return (0x10); /* 16 bytes of I/O space used. */
|
1995-02-17 02:22:57 +00:00
|
|
|
}
|
|
|
|
#if NAPM > 0
|
|
|
|
static int
|
1995-11-18 08:58:14 +00:00
|
|
|
zp_suspend(visa_dev)
|
1995-12-13 10:35:36 +00:00
|
|
|
void *visa_dev;
|
1995-02-17 02:22:57 +00:00
|
|
|
{
|
1996-09-07 17:52:56 +00:00
|
|
|
#if 0
|
1995-12-13 10:35:36 +00:00
|
|
|
struct isa_device *isa_dev = visa_dev;
|
|
|
|
struct zp_softc *sc = &zp_softc[isa_dev->id_unit];
|
1995-02-17 02:22:57 +00:00
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
pcic_power_off(sc->slot);
|
1996-09-07 17:52:56 +00:00
|
|
|
#endif
|
1995-12-13 10:35:36 +00:00
|
|
|
return 0;
|
1995-02-17 02:22:57 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
1995-11-18 08:58:14 +00:00
|
|
|
zp_resume(visa_dev)
|
1995-12-13 10:35:36 +00:00
|
|
|
void *visa_dev;
|
1995-02-17 02:22:57 +00:00
|
|
|
{
|
1995-12-13 10:35:36 +00:00
|
|
|
struct isa_device *isa_dev = visa_dev;
|
1995-11-18 08:58:14 +00:00
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
prev_slot = 0;
|
|
|
|
reconfig_isadev(isa_dev, &net_imask);
|
|
|
|
return 0;
|
1995-02-17 02:22:57 +00:00
|
|
|
}
|
1995-12-13 10:35:36 +00:00
|
|
|
#endif /* NAPM > 0 */
|
1995-03-31 06:10:22 +00:00
|
|
|
|
1995-02-17 02:22:57 +00:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Install interface into kernel networking data structures
|
|
|
|
*/
|
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
static int
|
1995-02-17 02:22:57 +00:00
|
|
|
zpattach(isa_dev)
|
1995-12-13 10:35:36 +00:00
|
|
|
struct isa_device *isa_dev;
|
1995-02-17 02:22:57 +00:00
|
|
|
{
|
1995-12-13 10:35:36 +00:00
|
|
|
struct zp_softc *sc = &zp_softc[isa_dev->id_unit];
|
|
|
|
struct ifnet *ifp = &sc->arpcom.ac_if;
|
|
|
|
u_short i;
|
|
|
|
int pl;
|
|
|
|
|
|
|
|
/* PCMCIA card can be offlined. Reconfiguration is required */
|
|
|
|
if (isa_dev->id_reconfig) {
|
|
|
|
if (!isa_dev->id_alive && sc->last_alive) {
|
|
|
|
pl = splimp();
|
|
|
|
sc->last_up = (ifp->if_flags & IFF_UP);
|
|
|
|
if_down(ifp);
|
|
|
|
splx(pl);
|
|
|
|
sc->last_alive = 0;
|
|
|
|
}
|
|
|
|
if (isa_dev->id_alive && !sc->last_alive) {
|
|
|
|
zpreset(isa_dev->id_unit);
|
|
|
|
if (sc->last_up) {
|
|
|
|
pl = splimp();
|
|
|
|
if_up(ifp);
|
|
|
|
splx(pl);
|
|
|
|
}
|
|
|
|
sc->last_alive = 1;
|
|
|
|
}
|
|
|
|
return 1;
|
|
|
|
} else {
|
|
|
|
sc->last_alive = 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
sc->ep_io_addr = isa_dev->id_iobase;
|
|
|
|
printf("zp%d: ", isa_dev->id_unit);
|
|
|
|
|
1997-09-21 21:41:49 +00:00
|
|
|
sc->buffill_pending = 0;
|
|
|
|
callout_handle_init(&sc->ch);
|
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
sc->ep_connectors = 0;
|
|
|
|
|
|
|
|
i = inw(isa_dev->id_iobase + EP_W0_CONFIG_CTRL);
|
|
|
|
|
|
|
|
if (i & IS_AUI) {
|
|
|
|
printf("aui");
|
|
|
|
sc->ep_connectors |= AUI;
|
1995-02-17 02:22:57 +00:00
|
|
|
}
|
1995-12-13 10:35:36 +00:00
|
|
|
if (i & IS_BNC) {
|
|
|
|
if (sc->ep_connectors)
|
|
|
|
printf("/");
|
|
|
|
printf("bnc");
|
|
|
|
sc->ep_connectors |= BNC;
|
1995-02-17 02:22:57 +00:00
|
|
|
}
|
1995-12-13 10:35:36 +00:00
|
|
|
if (i & IS_UTP) {
|
|
|
|
if (sc->ep_connectors)
|
|
|
|
printf("/");
|
|
|
|
printf("utp");
|
|
|
|
sc->ep_connectors |= UTP;
|
1995-02-17 02:22:57 +00:00
|
|
|
}
|
1995-12-13 10:35:36 +00:00
|
|
|
if (!sc->ep_connectors)
|
|
|
|
printf("no connectors!");
|
|
|
|
|
|
|
|
GO_WINDOW(0);
|
|
|
|
{
|
|
|
|
short tmp_addr[3];
|
1997-11-07 09:21:01 +00:00
|
|
|
int j;
|
|
|
|
for (j = 0; j < 3; j++) {
|
1998-05-26 02:28:18 +00:00
|
|
|
tmp_addr[j] = htons(read_eeprom_data(BASE, j));
|
1995-12-13 10:35:36 +00:00
|
|
|
}
|
|
|
|
bcopy(tmp_addr, sc->arpcom.ac_enaddr, 6);
|
|
|
|
}
|
|
|
|
|
1996-01-26 09:29:29 +00:00
|
|
|
printf(" address %6D\n", sc->arpcom.ac_enaddr, ":");
|
1995-12-13 10:35:36 +00:00
|
|
|
|
1996-02-06 18:51:28 +00:00
|
|
|
ifp->if_softc = sc;
|
1995-12-13 10:35:36 +00:00
|
|
|
ifp->if_mtu = ETHERMTU;
|
|
|
|
ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX;
|
|
|
|
ifp->if_unit = isa_dev->id_unit;
|
|
|
|
ifp->if_name = "zp";
|
|
|
|
ifp->if_output = ether_output;
|
|
|
|
ifp->if_start = zpstart;
|
|
|
|
ifp->if_ioctl = zpioctl;
|
|
|
|
ifp->if_watchdog = zpwatchdog;
|
|
|
|
/* Select connector according to board setting. */
|
1995-02-17 02:22:57 +00:00
|
|
|
ifp->if_flags |= IFF_LINK0;
|
1995-12-13 10:35:36 +00:00
|
|
|
|
|
|
|
if_attach(ifp);
|
1996-02-06 18:51:28 +00:00
|
|
|
ether_ifattach(ifp);
|
1995-12-13 10:35:36 +00:00
|
|
|
|
1995-02-17 02:22:57 +00:00
|
|
|
#if NBPFILTER > 0
|
1996-02-06 18:51:28 +00:00
|
|
|
bpfattach(ifp, DLT_EN10MB, sizeof(struct ether_header));
|
1995-02-17 02:22:57 +00:00
|
|
|
#endif
|
|
|
|
#if NAPM > 0
|
1995-12-13 10:35:36 +00:00
|
|
|
sc->s_hook.ah_fun = zp_suspend;
|
|
|
|
sc->s_hook.ah_arg = (void *) isa_dev;
|
|
|
|
sc->s_hook.ah_name = "3Com PCMCIA Etherlink III 3C589";
|
|
|
|
sc->s_hook.ah_order = APM_MID_ORDER;
|
|
|
|
apm_hook_establish(APM_HOOK_SUSPEND, &sc->s_hook);
|
|
|
|
sc->r_hook.ah_fun = zp_resume;
|
|
|
|
sc->r_hook.ah_arg = (void *) isa_dev;
|
|
|
|
sc->r_hook.ah_name = "3Com PCMCIA Etherlink III 3C589";
|
|
|
|
sc->r_hook.ah_order = APM_MID_ORDER;
|
|
|
|
apm_hook_establish(APM_HOOK_RESUME, &sc->r_hook);
|
|
|
|
#endif /* NAPM > 0 */
|
|
|
|
return 1;
|
1995-02-17 02:22:57 +00:00
|
|
|
}
|
|
|
|
/*
|
|
|
|
* The order in here seems important. Otherwise we may not receive
|
|
|
|
* interrupts. ?!
|
|
|
|
*/
|
1995-12-13 10:35:36 +00:00
|
|
|
static void
|
1995-02-17 02:22:57 +00:00
|
|
|
zpinit(unit)
|
1995-12-13 10:35:36 +00:00
|
|
|
int unit;
|
1995-02-17 02:22:57 +00:00
|
|
|
{
|
1995-12-13 10:35:36 +00:00
|
|
|
register struct zp_softc *sc = &zp_softc[unit];
|
|
|
|
register struct ifnet *ifp = &sc->arpcom.ac_if;
|
|
|
|
int s, i;
|
|
|
|
|
1996-12-13 21:29:07 +00:00
|
|
|
if (TAILQ_EMPTY(&ifp->if_addrhead)) /* XXX unlikely */
|
1995-12-13 10:35:36 +00:00
|
|
|
return;
|
1995-02-17 02:22:57 +00:00
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
s = splimp();
|
|
|
|
while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS);
|
1995-02-17 02:22:57 +00:00
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
GO_WINDOW(0);
|
1995-02-17 02:22:57 +00:00
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
/* Disable the card */
|
|
|
|
outw(BASE + EP_W0_CONFIG_CTRL, 0);
|
1995-02-17 02:22:57 +00:00
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
/* Enable the card */
|
|
|
|
outw(BASE + EP_W0_CONFIG_CTRL, ENABLE_DRQ_IRQ);
|
1995-02-17 02:22:57 +00:00
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
GO_WINDOW(2);
|
1995-02-17 02:22:57 +00:00
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
/* Reload the ether_addr. */
|
|
|
|
for (i = 0; i < 6; i++)
|
|
|
|
outb(BASE + EP_W2_ADDR_0 + i, sc->arpcom.ac_enaddr[i]);
|
1995-02-17 02:22:57 +00:00
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
outw(BASE + EP_COMMAND, RX_RESET);
|
|
|
|
outw(BASE + EP_COMMAND, TX_RESET);
|
1995-02-17 02:22:57 +00:00
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
/* Window 1 is operating window */
|
|
|
|
GO_WINDOW(1);
|
|
|
|
for (i = 0; i < 31; i++)
|
|
|
|
inb(BASE + EP_W1_TX_STATUS);
|
1995-02-17 02:22:57 +00:00
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
/* get rid of stray intr's */
|
|
|
|
outw(BASE + EP_COMMAND, ACK_INTR | 0xff);
|
1995-02-17 02:22:57 +00:00
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
outw(BASE + EP_COMMAND, SET_RD_0_MASK | S_CARD_FAILURE | S_RX_COMPLETE |
|
|
|
|
S_TX_COMPLETE | S_TX_AVAIL);
|
|
|
|
outw(BASE + EP_COMMAND, SET_INTR_MASK | S_CARD_FAILURE | S_RX_COMPLETE |
|
|
|
|
S_TX_COMPLETE | S_TX_AVAIL);
|
1995-02-17 02:22:57 +00:00
|
|
|
|
1995-03-31 06:10:22 +00:00
|
|
|
#ifndef IFF_MULTICAST
|
1995-02-17 02:22:57 +00:00
|
|
|
#define IFF_MULTICAST 0x10000
|
|
|
|
#endif
|
1995-03-31 06:10:22 +00:00
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
outw(BASE + EP_COMMAND, SET_RX_FILTER | FIL_INDIVIDUAL |
|
|
|
|
((sc->arpcom.ac_if.if_flags & IFF_MULTICAST) ? FIL_GROUP : 0) |
|
|
|
|
FIL_BRDCST |
|
|
|
|
((sc->arpcom.ac_if.if_flags & IFF_PROMISC) ? FIL_ALL : 0));
|
|
|
|
/* you can `ifconfig (link0|-link0) ep0' to get the following
|
|
|
|
* behaviour: -link0 disable AUI/UTP. enable BNC. link0 disable
|
|
|
|
* BNC. enable AUI. if the card has a UTP connector, that is enabled
|
|
|
|
* too. not sure, but it seems you have to be careful to not plug
|
|
|
|
* things into both AUI & UTP. */
|
|
|
|
|
|
|
|
if (!(ifp->if_flags & IFF_LINK0) && (sc->ep_connectors & BNC)) {
|
|
|
|
GO_WINDOW(0);
|
|
|
|
/* set the xcvr */
|
|
|
|
outw(BASE + EP_W0_ADDRESS_CFG, 3 << 14);
|
|
|
|
GO_WINDOW(2);
|
|
|
|
outw(BASE + EP_COMMAND, START_TRANSCEIVER);
|
|
|
|
GO_WINDOW(1);
|
|
|
|
}
|
1995-02-17 02:22:57 +00:00
|
|
|
#if defined(__NetBSD__) || defined(__FreeBSD__)
|
1995-12-13 10:35:36 +00:00
|
|
|
if ((ifp->if_flags & IFF_LINK0) && (sc->ep_connectors & UTP)) {
|
1995-02-17 02:22:57 +00:00
|
|
|
#else
|
1995-12-13 10:35:36 +00:00
|
|
|
if ((ifp->if_flags & IFF_ALTPHYS) && (sc->ep_connectors & UTP)) {
|
1995-02-17 02:22:57 +00:00
|
|
|
#endif
|
1995-12-13 10:35:36 +00:00
|
|
|
GO_WINDOW(4);
|
|
|
|
outw(BASE + EP_W4_MEDIA_TYPE, ENABLE_UTP);
|
|
|
|
GO_WINDOW(1);
|
|
|
|
}
|
|
|
|
outw(BASE + EP_COMMAND, RX_ENABLE);
|
|
|
|
outw(BASE + EP_COMMAND, TX_ENABLE);
|
|
|
|
|
|
|
|
ifp->if_flags |= IFF_RUNNING;
|
|
|
|
ifp->if_flags &= ~IFF_OACTIVE; /* just in case */
|
|
|
|
sc->tx_start_thresh = 20; /* probably a good starting point. */
|
|
|
|
/* Store up a bunch of mbuf's for use later. (MAX_MBS). First we free
|
|
|
|
* up any that we had in case we're being called from intr or
|
|
|
|
* somewhere else. */
|
|
|
|
sc->last_mb = 0;
|
|
|
|
sc->next_mb = 0;
|
1997-09-21 21:41:49 +00:00
|
|
|
if (sc->buffill_pending != 0) {
|
|
|
|
untimeout(zpmbuffill, sc, sc->ch);
|
|
|
|
sc->buffill_pending = 0;
|
|
|
|
}
|
1995-12-13 10:35:36 +00:00
|
|
|
zpmbuffill(sc);
|
|
|
|
zpstart(ifp);
|
|
|
|
splx(s);
|
1995-02-17 02:22:57 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static const char padmap[] = {0, 3, 2, 1};
|
1995-12-13 10:35:36 +00:00
|
|
|
static void
|
1995-02-17 02:22:57 +00:00
|
|
|
zpstart(ifp)
|
1995-12-13 10:35:36 +00:00
|
|
|
struct ifnet *ifp;
|
1995-02-17 02:22:57 +00:00
|
|
|
{
|
1996-02-06 18:51:28 +00:00
|
|
|
register struct zp_softc *sc = ifp->if_softc;
|
1995-12-13 10:35:36 +00:00
|
|
|
struct mbuf *m, *top;
|
1995-02-17 02:22:57 +00:00
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
int s, len, pad;
|
1995-02-17 02:22:57 +00:00
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
s = splimp();
|
1995-02-17 02:22:57 +00:00
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
if (sc->arpcom.ac_if.if_flags & IFF_OACTIVE) {
|
|
|
|
splx(s);
|
|
|
|
return;
|
|
|
|
}
|
1995-02-17 02:22:57 +00:00
|
|
|
startagain:
|
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
/* Sneak a peek at the next packet */
|
|
|
|
m = sc->arpcom.ac_if.if_snd.ifq_head;
|
|
|
|
if (m == 0) {
|
|
|
|
splx(s);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
for (len = 0, top = m; m; m = m->m_next)
|
|
|
|
len += m->m_len;
|
1995-02-17 02:22:57 +00:00
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
pad = padmap[len & 3];
|
1995-02-17 02:22:57 +00:00
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
/* The 3c509 automatically pads short packets to minimum ethernet
|
|
|
|
* length, but we drop packets that are too large. Perhaps we should
|
|
|
|
* truncate them instead? */
|
|
|
|
if (len + pad > ETHER_MAX_LEN) {
|
|
|
|
/* packet is obviously too large: toss it */
|
|
|
|
++sc->arpcom.ac_if.if_oerrors;
|
|
|
|
IF_DEQUEUE(&sc->arpcom.ac_if.if_snd, m);
|
|
|
|
m_freem(m);
|
|
|
|
goto readcheck;
|
|
|
|
}
|
|
|
|
if (inw(BASE + EP_W1_FREE_TX) < len + pad + 4) {
|
|
|
|
/* no room in FIFO */
|
|
|
|
outw(BASE + EP_COMMAND, SET_TX_AVAIL_THRESH | (len + pad + 4));
|
|
|
|
sc->arpcom.ac_if.if_flags |= IFF_OACTIVE;
|
|
|
|
splx(s);
|
1995-02-17 02:22:57 +00:00
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
return;
|
|
|
|
}
|
1995-03-31 06:10:22 +00:00
|
|
|
IF_DEQUEUE(&sc->arpcom.ac_if.if_snd, m);
|
1995-02-17 02:22:57 +00:00
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
if (m == 0) { /* not really needed */
|
|
|
|
splx(s);
|
|
|
|
return;
|
1995-02-17 02:22:57 +00:00
|
|
|
}
|
1995-12-13 10:35:36 +00:00
|
|
|
outw(BASE + EP_COMMAND, SET_TX_START_THRESH |
|
|
|
|
(len / 4 + sc->tx_start_thresh));
|
|
|
|
|
|
|
|
outw(BASE + EP_W1_TX_PIO_WR_1, len);
|
|
|
|
outw(BASE + EP_W1_TX_PIO_WR_1, 0xffff); /* Second dword meaningless */
|
|
|
|
|
|
|
|
for (top = m; m != 0; m = m->m_next) {
|
|
|
|
if (sc->bus32bit) {
|
|
|
|
outsl(BASE + EP_W1_TX_PIO_WR_1, mtod(m, caddr_t),
|
|
|
|
m->m_len / 4);
|
|
|
|
if (m->m_len & 3)
|
|
|
|
outsb(BASE + EP_W1_TX_PIO_WR_1,
|
1996-06-04 21:41:01 +00:00
|
|
|
mtod(m, caddr_t) + (m->m_len & (~3)),
|
1995-12-13 10:35:36 +00:00
|
|
|
m->m_len & 3);
|
|
|
|
} else {
|
|
|
|
outsw(BASE + EP_W1_TX_PIO_WR_1, mtod(m, caddr_t), m->m_len / 2);
|
|
|
|
if (m->m_len & 1)
|
|
|
|
outb(BASE + EP_W1_TX_PIO_WR_1,
|
|
|
|
*(mtod(m, caddr_t) + m->m_len - 1));
|
|
|
|
}
|
1995-02-17 02:22:57 +00:00
|
|
|
}
|
1995-12-13 10:35:36 +00:00
|
|
|
while (pad--)
|
|
|
|
outb(BASE + EP_W1_TX_PIO_WR_1, 0); /* Padding */
|
1995-02-17 02:22:57 +00:00
|
|
|
|
|
|
|
#if NBPFILTER > 0
|
1996-02-06 18:51:28 +00:00
|
|
|
if (sc->arpcom.ac_if.if_bpf) {
|
|
|
|
bpf_mtap(&sc->arpcom.ac_if, top);
|
1995-12-13 10:35:36 +00:00
|
|
|
}
|
1995-02-17 02:22:57 +00:00
|
|
|
#endif
|
1995-03-31 06:10:22 +00:00
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
m_freem(top);
|
|
|
|
++sc->arpcom.ac_if.if_opackets;
|
|
|
|
/* Is another packet coming in? We don't want to overflow the tiny RX
|
|
|
|
* fifo. */
|
1995-02-17 02:22:57 +00:00
|
|
|
readcheck:
|
1995-12-13 10:35:36 +00:00
|
|
|
if (inw(BASE + EP_W1_RX_STATUS) & RX_BYTES_MASK) {
|
|
|
|
splx(s);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
goto startagain;
|
1995-02-17 02:22:57 +00:00
|
|
|
}
|
|
|
|
void
|
|
|
|
zpintr(unit)
|
1995-12-13 10:35:36 +00:00
|
|
|
int unit;
|
1995-02-17 02:22:57 +00:00
|
|
|
{
|
1995-12-13 10:35:36 +00:00
|
|
|
int status, i;
|
|
|
|
register struct zp_softc *sc = &zp_softc[unit];
|
1995-02-17 02:22:57 +00:00
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
struct ifnet *ifp = &sc->arpcom.ac_if;
|
1995-02-17 02:22:57 +00:00
|
|
|
|
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
status = 0;
|
1995-02-17 02:22:57 +00:00
|
|
|
checkintr:
|
1995-12-13 10:35:36 +00:00
|
|
|
status = inw(BASE + EP_STATUS) &
|
|
|
|
(S_TX_COMPLETE | S_TX_AVAIL | S_RX_COMPLETE | S_CARD_FAILURE);
|
1995-02-17 02:22:57 +00:00
|
|
|
checkintr2:
|
1995-12-13 10:35:36 +00:00
|
|
|
if (status == 0) {
|
|
|
|
/* No interrupts. */
|
|
|
|
outw(BASE + EP_COMMAND, C_INTR_LATCH);
|
|
|
|
|
|
|
|
status = inw(BASE + EP_STATUS) &
|
|
|
|
(S_TX_COMPLETE | S_TX_AVAIL | S_RX_COMPLETE |
|
|
|
|
S_CARD_FAILURE);
|
|
|
|
if (status)
|
|
|
|
goto checkintr2;
|
|
|
|
|
|
|
|
return;
|
1995-03-31 06:10:22 +00:00
|
|
|
}
|
1995-12-13 10:35:36 +00:00
|
|
|
/* important that we do this first. */
|
|
|
|
outw(BASE + EP_COMMAND, ACK_INTR | status);
|
1995-02-17 02:22:57 +00:00
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
if (status & S_TX_AVAIL) {
|
|
|
|
status &= ~S_TX_AVAIL;
|
|
|
|
inw(BASE + EP_W1_FREE_TX);
|
|
|
|
sc->arpcom.ac_if.if_flags &= ~IFF_OACTIVE;
|
|
|
|
zpstart(&sc->arpcom.ac_if);
|
|
|
|
|
|
|
|
}
|
|
|
|
if (status & S_RX_COMPLETE) {
|
|
|
|
status &= ~S_RX_COMPLETE;
|
|
|
|
zpread(sc);
|
|
|
|
}
|
|
|
|
if (status & S_CARD_FAILURE) {
|
|
|
|
printf("zp%d: reset (status: %x)\n", unit, status);
|
|
|
|
outw(BASE + EP_COMMAND, C_INTR_LATCH);
|
|
|
|
zpinit(unit);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
if (status & S_TX_COMPLETE) {
|
|
|
|
status &= ~S_TX_COMPLETE;
|
|
|
|
/* We need to read TX_STATUS until we get a 0 status in order
|
|
|
|
* to turn off the interrupt flag. */
|
|
|
|
while ((i = inb(BASE + EP_W1_TX_STATUS)) & TXS_COMPLETE) {
|
|
|
|
outw(BASE + EP_W1_TX_STATUS, 0x0);
|
|
|
|
if (i & (TXS_MAX_COLLISION | TXS_JABBER | TXS_UNDERRUN)) {
|
|
|
|
if (i & TXS_MAX_COLLISION)
|
|
|
|
++sc->arpcom.ac_if.if_collisions;
|
|
|
|
if (i & (TXS_JABBER | TXS_UNDERRUN)) {
|
|
|
|
outw(BASE + EP_COMMAND, TX_RESET);
|
|
|
|
if (i & TXS_UNDERRUN) {
|
|
|
|
if (sc->tx_start_thresh < ETHER_MAX_LEN) {
|
|
|
|
sc->tx_start_thresh += 20;
|
|
|
|
outw(BASE + EP_COMMAND,
|
|
|
|
SET_TX_START_THRESH |
|
|
|
|
sc->tx_start_thresh);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
outw(BASE + EP_COMMAND, TX_ENABLE);
|
|
|
|
++sc->arpcom.ac_if.if_oerrors;
|
1995-02-17 02:22:57 +00:00
|
|
|
}
|
|
|
|
}
|
1995-12-13 10:35:36 +00:00
|
|
|
zpstart(ifp);
|
1995-02-17 02:22:57 +00:00
|
|
|
}
|
1995-12-13 10:35:36 +00:00
|
|
|
goto checkintr;
|
1995-02-17 02:22:57 +00:00
|
|
|
}
|
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
static void
|
1995-02-17 02:22:57 +00:00
|
|
|
zpread(sc)
|
1995-12-13 10:35:36 +00:00
|
|
|
register struct zp_softc *sc;
|
1995-02-17 02:22:57 +00:00
|
|
|
{
|
1995-12-13 10:35:36 +00:00
|
|
|
struct ether_header *eh;
|
|
|
|
struct mbuf *mcur, *m, *m0, *top;
|
|
|
|
int totlen, lenthisone;
|
|
|
|
int save_totlen;
|
|
|
|
int off;
|
|
|
|
|
|
|
|
|
|
|
|
totlen = inw(BASE + EP_W1_RX_STATUS);
|
|
|
|
off = 0;
|
|
|
|
top = 0;
|
|
|
|
|
|
|
|
if (totlen & ERR_RX) {
|
|
|
|
++sc->arpcom.ac_if.if_ierrors;
|
|
|
|
goto out;
|
1995-02-17 02:22:57 +00:00
|
|
|
}
|
1995-12-13 10:35:36 +00:00
|
|
|
save_totlen = totlen &= RX_BYTES_MASK; /* Lower 11 bits = RX bytes. */
|
|
|
|
|
|
|
|
m = sc->mb[sc->next_mb];
|
|
|
|
sc->mb[sc->next_mb] = 0;
|
|
|
|
|
|
|
|
if (m == 0) {
|
|
|
|
MGETHDR(m, M_DONTWAIT, MT_DATA);
|
1995-03-31 06:10:22 +00:00
|
|
|
if (m == 0)
|
1995-12-13 10:35:36 +00:00
|
|
|
goto out;
|
|
|
|
} else {
|
|
|
|
/* Convert one of our saved mbuf's */
|
1995-03-31 06:10:22 +00:00
|
|
|
sc->next_mb = (sc->next_mb + 1) % MAX_MBS;
|
1995-12-13 10:35:36 +00:00
|
|
|
m->m_data = m->m_pktdat;
|
|
|
|
m->m_flags = M_PKTHDR;
|
1995-02-17 02:22:57 +00:00
|
|
|
}
|
1995-12-13 10:35:36 +00:00
|
|
|
|
|
|
|
top = m0 = m; /* We assign top so we can "goto out" */
|
|
|
|
#define EROUND ((sizeof(struct ether_header) + 3) & ~3)
|
|
|
|
#define EOFF (EROUND - sizeof(struct ether_header))
|
|
|
|
m0->m_data += EOFF;
|
|
|
|
/* Read what should be the header. */
|
|
|
|
insw(BASE + EP_W1_RX_PIO_RD_1,
|
|
|
|
mtod(m0, caddr_t), sizeof(struct ether_header) / 2);
|
|
|
|
m->m_len = sizeof(struct ether_header);
|
|
|
|
totlen -= sizeof(struct ether_header);
|
|
|
|
/* mostly deal with trailer here. (untested) We do this in a couple
|
|
|
|
* of parts. First we check for a trailer, if we have one we convert
|
|
|
|
* the mbuf back to a regular mbuf and set the offset and subtract
|
|
|
|
* sizeof(struct ether_header) from the pktlen. After we've read the
|
|
|
|
* packet off the interface (all except for the trailer header, we
|
|
|
|
* then get a header mbuf, read the trailer into it, and fix up the
|
|
|
|
* mbuf pointer chain. */
|
|
|
|
eh = mtod(m, struct ether_header *);
|
|
|
|
while (totlen > 0) {
|
|
|
|
lenthisone = min(totlen, M_TRAILINGSPACE(m));
|
|
|
|
if (lenthisone == 0) { /* no room in this one */
|
|
|
|
mcur = m;
|
|
|
|
m = sc->mb[sc->next_mb];
|
|
|
|
sc->mb[sc->next_mb] = 0;
|
|
|
|
if (!m) {
|
|
|
|
MGET(m, M_DONTWAIT, MT_DATA);
|
|
|
|
if (m == 0)
|
|
|
|
goto out;
|
1997-09-21 21:41:49 +00:00
|
|
|
} else if (sc->buffill_pending == 0) {
|
|
|
|
sc->ch = timeout(zpmbuffill, sc, 0);
|
|
|
|
sc->buffill_pending = 1;
|
1995-12-13 10:35:36 +00:00
|
|
|
sc->next_mb = (sc->next_mb + 1) % MAX_MBS;
|
|
|
|
}
|
|
|
|
if (totlen >= MINCLSIZE)
|
|
|
|
MCLGET(m, M_DONTWAIT);
|
|
|
|
m->m_len = 0;
|
|
|
|
mcur->m_next = m;
|
|
|
|
lenthisone = min(totlen, M_TRAILINGSPACE(m));
|
|
|
|
}
|
|
|
|
if (sc->bus32bit) {
|
|
|
|
insl(BASE + EP_W1_RX_PIO_RD_1, mtod(m, caddr_t) + m->m_len,
|
|
|
|
lenthisone / 4);
|
|
|
|
m->m_len += (lenthisone & ~3);
|
|
|
|
if (lenthisone & 3)
|
|
|
|
insb(BASE + EP_W1_RX_PIO_RD_1,
|
|
|
|
mtod(m, caddr_t) + m->m_len,
|
|
|
|
lenthisone & 3);
|
|
|
|
m->m_len += (lenthisone & 3);
|
|
|
|
} else {
|
|
|
|
insw(BASE + EP_W1_RX_PIO_RD_1, mtod(m, caddr_t) + m->m_len,
|
|
|
|
lenthisone / 2);
|
|
|
|
m->m_len += lenthisone;
|
|
|
|
if (lenthisone & 1)
|
|
|
|
*(mtod(m, caddr_t) + m->m_len - 1) = inb(BASE + EP_W1_RX_PIO_RD_1);
|
|
|
|
}
|
|
|
|
totlen -= lenthisone;
|
1995-03-31 06:10:22 +00:00
|
|
|
}
|
1995-12-13 10:35:36 +00:00
|
|
|
if (off) {
|
|
|
|
top = sc->mb[sc->next_mb];
|
|
|
|
sc->mb[sc->next_mb] = 0;
|
|
|
|
if (top == 0) {
|
|
|
|
MGETHDR(m, M_DONTWAIT, MT_DATA);
|
|
|
|
if (top == 0) {
|
|
|
|
top = m0;
|
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
/* Convert one of our saved mbuf's */
|
|
|
|
sc->next_mb = (sc->next_mb + 1) % MAX_MBS;
|
|
|
|
top->m_data = top->m_pktdat;
|
|
|
|
top->m_flags = M_PKTHDR;
|
|
|
|
}
|
|
|
|
insw(BASE + EP_W1_RX_PIO_RD_1, mtod(top, caddr_t),
|
|
|
|
sizeof(struct ether_header));
|
|
|
|
top->m_next = m0;
|
|
|
|
top->m_len = sizeof(struct ether_header);
|
|
|
|
/* XXX Accomodate for type and len from beginning of trailer */
|
|
|
|
top->m_pkthdr.len = save_totlen - (2 * sizeof(u_short));
|
1995-03-31 06:10:22 +00:00
|
|
|
} else {
|
1995-12-13 10:35:36 +00:00
|
|
|
top = m0;
|
|
|
|
top->m_pkthdr.len = save_totlen;
|
1995-02-17 02:22:57 +00:00
|
|
|
}
|
1995-12-13 10:35:36 +00:00
|
|
|
|
|
|
|
top->m_pkthdr.rcvif = &sc->arpcom.ac_if;
|
|
|
|
outw(BASE + EP_COMMAND, RX_DISCARD_TOP_PACK);
|
|
|
|
while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS);
|
|
|
|
++sc->arpcom.ac_if.if_ipackets;
|
1995-02-17 02:22:57 +00:00
|
|
|
#if NBPFILTER > 0
|
1996-02-06 18:51:28 +00:00
|
|
|
if (sc->arpcom.ac_if.if_bpf) {
|
|
|
|
bpf_mtap(&sc->arpcom.ac_if, top);
|
1995-12-13 10:35:36 +00:00
|
|
|
|
|
|
|
/* Note that the interface cannot be in promiscuous mode if
|
|
|
|
* there are no BPF listeners. And if we are in promiscuous
|
|
|
|
* mode, we have to check if this packet is really ours. */
|
|
|
|
if ((sc->arpcom.ac_if.if_flags & IFF_PROMISC) &&
|
|
|
|
(eh->ether_dhost[0] & 1) == 0 &&
|
|
|
|
bcmp(eh->ether_dhost, sc->arpcom.ac_enaddr,
|
|
|
|
sizeof(eh->ether_dhost)) != 0 &&
|
|
|
|
bcmp(eh->ether_dhost, etherbroadcastaddr,
|
|
|
|
sizeof(eh->ether_dhost)) != 0) {
|
|
|
|
m_freem(top);
|
|
|
|
return;
|
|
|
|
}
|
1995-02-17 02:22:57 +00:00
|
|
|
}
|
|
|
|
#endif
|
1995-12-13 10:35:36 +00:00
|
|
|
m_adj(top, sizeof(struct ether_header));
|
|
|
|
ether_input(&sc->arpcom.ac_if, eh, top);
|
|
|
|
return;
|
1995-02-17 02:22:57 +00:00
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
out: outw(BASE + EP_COMMAND, RX_DISCARD_TOP_PACK);
|
|
|
|
while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS);
|
|
|
|
if (top)
|
|
|
|
m_freem(top);
|
1995-02-17 02:22:57 +00:00
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Look familiar?
|
|
|
|
*/
|
|
|
|
static int
|
|
|
|
zpioctl(ifp, cmd, data)
|
1995-12-13 10:35:36 +00:00
|
|
|
register struct ifnet *ifp;
|
1998-06-07 17:13:14 +00:00
|
|
|
u_long cmd;
|
1995-12-13 10:35:36 +00:00
|
|
|
caddr_t data;
|
1995-02-17 02:22:57 +00:00
|
|
|
{
|
1995-12-13 10:35:36 +00:00
|
|
|
register struct ifaddr *ifa = (struct ifaddr *) data;
|
1996-02-06 18:51:28 +00:00
|
|
|
struct zp_softc *sc = ifp->if_softc;
|
1995-12-13 10:35:36 +00:00
|
|
|
int error = 0;
|
|
|
|
|
|
|
|
|
|
|
|
switch (cmd) {
|
|
|
|
case SIOCSIFADDR:
|
|
|
|
ifp->if_flags |= IFF_UP;
|
|
|
|
switch (ifa->ifa_addr->sa_family) {
|
1995-02-17 02:22:57 +00:00
|
|
|
#ifdef INET
|
1995-12-13 10:35:36 +00:00
|
|
|
case AF_INET:
|
|
|
|
zpinit(ifp->if_unit); /* before arpwhohas */
|
|
|
|
arp_ifinit((struct arpcom *) ifp, ifa);
|
|
|
|
break;
|
1995-02-17 02:22:57 +00:00
|
|
|
#endif
|
1995-10-26 20:31:59 +00:00
|
|
|
#ifdef IPX
|
1995-12-13 10:35:36 +00:00
|
|
|
case AF_IPX:
|
|
|
|
{
|
|
|
|
register struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr);
|
|
|
|
|
|
|
|
if (ipx_nullhost(*ina))
|
|
|
|
ina->x_host =
|
|
|
|
*(union ipx_host *) (sc->arpcom.ac_enaddr);
|
|
|
|
else {
|
|
|
|
ifp->if_flags &= ~IFF_RUNNING;
|
|
|
|
bcopy((caddr_t) ina->x_host.c_host,
|
|
|
|
(caddr_t) sc->arpcom.ac_enaddr,
|
|
|
|
sizeof(sc->arpcom.ac_enaddr));
|
|
|
|
}
|
|
|
|
zpinit(ifp->if_unit);
|
|
|
|
break;
|
|
|
|
}
|
1995-10-26 20:31:59 +00:00
|
|
|
#endif
|
1995-02-17 02:22:57 +00:00
|
|
|
#ifdef NS
|
1995-12-13 10:35:36 +00:00
|
|
|
case AF_NS:
|
|
|
|
{
|
|
|
|
register struct ns_addr *ina = &(IA_SNS(ifa)->sns_addr);
|
|
|
|
|
|
|
|
if (ns_nullhost(*ina))
|
|
|
|
ina->x_host =
|
|
|
|
*(union ns_host *) (sc->arpcom.ac_enaddr);
|
|
|
|
else {
|
|
|
|
ifp->if_flags &= ~IFF_RUNNING;
|
|
|
|
bcopy((caddr_t) ina->x_host.c_host,
|
|
|
|
(caddr_t) sc->arpcom.ac_enaddr,
|
|
|
|
sizeof(sc->arpcom.ac_enaddr));
|
|
|
|
}
|
|
|
|
zpinit(ifp->if_unit);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
default:
|
|
|
|
zpinit(ifp->if_unit);
|
|
|
|
break;
|
1995-02-17 02:22:57 +00:00
|
|
|
}
|
|
|
|
break;
|
1995-12-13 10:35:36 +00:00
|
|
|
case SIOCSIFFLAGS:
|
|
|
|
if ((ifp->if_flags & IFF_UP) == 0 && ifp->if_flags & IFF_RUNNING) {
|
|
|
|
ifp->if_flags &= ~IFF_RUNNING;
|
|
|
|
zpstop(ifp->if_unit);
|
|
|
|
zpmbufempty(sc);
|
|
|
|
break;
|
|
|
|
}
|
1996-09-11 16:11:21 +00:00
|
|
|
zpinit(ifp->if_unit);
|
1995-12-13 10:35:36 +00:00
|
|
|
break;
|
1995-02-17 02:22:57 +00:00
|
|
|
default:
|
1995-12-13 10:35:36 +00:00
|
|
|
error = EINVAL;
|
1995-03-31 06:10:22 +00:00
|
|
|
}
|
1995-12-13 10:35:36 +00:00
|
|
|
return (error);
|
1995-02-17 02:22:57 +00:00
|
|
|
}
|
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
static void
|
1995-02-17 02:22:57 +00:00
|
|
|
zpreset(unit)
|
1995-12-13 10:35:36 +00:00
|
|
|
int unit;
|
1995-02-17 02:22:57 +00:00
|
|
|
{
|
1995-12-13 10:35:36 +00:00
|
|
|
int s = splimp();
|
1995-02-17 02:22:57 +00:00
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
zpstop(unit);
|
|
|
|
zpinit(unit);
|
|
|
|
splx(s);
|
1995-02-17 02:22:57 +00:00
|
|
|
}
|
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
static void
|
1995-12-05 02:01:59 +00:00
|
|
|
zpwatchdog(ifp)
|
1995-12-13 10:35:36 +00:00
|
|
|
struct ifnet *ifp;
|
1995-02-17 02:22:57 +00:00
|
|
|
{
|
1995-12-13 10:35:36 +00:00
|
|
|
log(LOG_ERR, "zp%d: watchdog\n", ifp->if_unit);
|
|
|
|
ifp->if_oerrors++;
|
|
|
|
zpreset(ifp->if_unit);
|
1995-02-17 02:22:57 +00:00
|
|
|
}
|
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
static void
|
1995-02-17 02:22:57 +00:00
|
|
|
zpstop(unit)
|
1995-12-13 10:35:36 +00:00
|
|
|
int unit;
|
1995-02-17 02:22:57 +00:00
|
|
|
{
|
1995-12-13 10:35:36 +00:00
|
|
|
struct zp_softc *sc = &zp_softc[unit];
|
|
|
|
|
|
|
|
outw(BASE + EP_COMMAND, RX_DISABLE);
|
|
|
|
outw(BASE + EP_COMMAND, RX_DISCARD_TOP_PACK);
|
|
|
|
while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS);
|
|
|
|
outw(BASE + EP_COMMAND, TX_DISABLE);
|
|
|
|
outw(BASE + EP_COMMAND, STOP_TRANSCEIVER);
|
|
|
|
outw(BASE + EP_COMMAND, RX_RESET);
|
|
|
|
outw(BASE + EP_COMMAND, TX_RESET);
|
|
|
|
outw(BASE + EP_COMMAND, C_INTR_LATCH);
|
|
|
|
outw(BASE + EP_COMMAND, SET_RD_0_MASK);
|
|
|
|
outw(BASE + EP_COMMAND, SET_INTR_MASK);
|
|
|
|
outw(BASE + EP_COMMAND, SET_RX_FILTER);
|
1995-02-17 02:22:57 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
static u_short
|
1995-02-17 02:22:57 +00:00
|
|
|
read_eeprom_data(id_port, offset)
|
1995-12-13 10:35:36 +00:00
|
|
|
int id_port;
|
|
|
|
int offset;
|
1995-02-17 02:22:57 +00:00
|
|
|
{
|
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
outb(id_port + 10, 0x80 + offset);
|
1997-04-21 13:38:32 +00:00
|
|
|
DELAY(1000);
|
1995-12-13 10:35:36 +00:00
|
|
|
return inw(id_port + 12);
|
1995-02-17 02:22:57 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
static void
|
1995-02-17 02:22:57 +00:00
|
|
|
zpmbuffill(sp)
|
1995-12-13 10:35:36 +00:00
|
|
|
void *sp;
|
1995-02-17 02:22:57 +00:00
|
|
|
{
|
1995-12-13 10:35:36 +00:00
|
|
|
struct zp_softc *sc = (struct zp_softc *) sp;
|
|
|
|
int s, i;
|
|
|
|
|
|
|
|
s = splimp();
|
|
|
|
i = sc->last_mb;
|
|
|
|
do {
|
|
|
|
if (sc->mb[i] == NULL)
|
|
|
|
MGET(sc->mb[i], M_DONTWAIT, MT_DATA);
|
|
|
|
if (sc->mb[i] == NULL)
|
|
|
|
break;
|
|
|
|
i = (i + 1) % MAX_MBS;
|
|
|
|
} while (i != sc->next_mb);
|
1997-09-21 21:41:49 +00:00
|
|
|
sc->buffill_pending = 0;
|
1995-12-13 10:35:36 +00:00
|
|
|
sc->last_mb = i;
|
|
|
|
splx(s);
|
1995-02-17 02:22:57 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
zpmbufempty(sc)
|
1995-12-13 10:35:36 +00:00
|
|
|
struct zp_softc *sc;
|
1995-02-17 02:22:57 +00:00
|
|
|
{
|
1995-12-13 10:35:36 +00:00
|
|
|
int s, i;
|
1995-03-31 06:10:22 +00:00
|
|
|
|
1995-12-13 10:35:36 +00:00
|
|
|
s = splimp();
|
|
|
|
for (i = 0; i < MAX_MBS; i++) {
|
|
|
|
if (sc->mb[i]) {
|
|
|
|
m_freem(sc->mb[i]);
|
|
|
|
sc->mb[i] = NULL;
|
|
|
|
}
|
1995-02-17 02:22:57 +00:00
|
|
|
}
|
1995-12-13 10:35:36 +00:00
|
|
|
sc->last_mb = sc->next_mb = 0;
|
1997-09-21 21:41:49 +00:00
|
|
|
if (sc->buffill_pending != 0) {
|
|
|
|
untimeout(zpmbuffill, sc, sc->ch);
|
|
|
|
sc->buffill_pending = 0;
|
|
|
|
}
|
1995-12-13 10:35:36 +00:00
|
|
|
splx(s);
|
1995-02-17 02:22:57 +00:00
|
|
|
}
|