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@@ -1,23 +1,24 @@
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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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-
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- Copyright (C) 1999 David A. Hinds -- dahinds@users.sourceforge.net
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-
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- 3c589_cs.c 1.162 2001/10/13 00:08:50
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-
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- The network driver code is based on Donald Becker's 3c589 code:
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-
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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 General Public License,
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- incorporated herein by reference.
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- Donald Becker may be reached at becker@scyld.com
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-
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- Updated for 2.5.x by Alan Cox <alan@lxorguk.ukuu.org.uk>
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-
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-======================================================================*/
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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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+ *
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+ * Copyright (C) 1999 David A. Hinds -- dahinds@users.sourceforge.net
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+ *
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+ * 3c589_cs.c 1.162 2001/10/13 00:08:50
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+ *
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+ * The network driver code is based on Donald Becker's 3c589 code:
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+ *
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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 General Public License,
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+ * incorporated herein by reference.
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+ * Donald Becker may be reached at becker@scyld.com
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+ *
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+ * Updated for 2.5.x by Alan Cox <alan@lxorguk.ukuu.org.uk>
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+ *
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+ * ======================================================================
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+ */
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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@@ -41,18 +42,20 @@
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#include <linux/ioport.h>
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#include <linux/bitops.h>
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#include <linux/jiffies.h>
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+#include <linux/uaccess.h>
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+#include <linux/io.h>
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#include <pcmcia/cistpl.h>
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#include <pcmcia/cisreg.h>
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#include <pcmcia/ciscode.h>
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#include <pcmcia/ds.h>
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-#include <asm/uaccess.h>
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-#include <asm/io.h>
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/* To minimize the size of the driver source I only define operating
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- constants if they are used several times. You'll need the manual
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- if you want to understand driver details. */
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+ * constants if they are used several times. You'll need the manual
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+ * if you want to understand driver details.
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+ */
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+
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/* Offsets from base I/O address. */
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#define EL3_DATA 0x00
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#define EL3_TIMER 0x0a
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@@ -65,7 +68,9 @@
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#define EL3WINDOW(win_num) outw(SelectWindow + (win_num), ioaddr + EL3_CMD)
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/* The top five bits written to EL3_CMD are a command, the lower
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- 11 bits are the parameter, if applicable. */
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+ * 11 bits are the parameter, if applicable.
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+ */
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+
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enum c509cmd {
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TotalReset = 0<<11,
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SelectWindow = 1<<11,
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@@ -190,138 +195,142 @@ static const struct net_device_ops el3_netdev_ops = {
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static int tc589_probe(struct pcmcia_device *link)
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{
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- struct el3_private *lp;
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- struct net_device *dev;
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+ struct el3_private *lp;
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+ struct net_device *dev;
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- dev_dbg(&link->dev, "3c589_attach()\n");
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+ dev_dbg(&link->dev, "3c589_attach()\n");
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- /* Create new ethernet device */
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- dev = alloc_etherdev(sizeof(struct el3_private));
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- if (!dev)
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- return -ENOMEM;
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- lp = netdev_priv(dev);
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- link->priv = dev;
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- lp->p_dev = link;
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+ /* Create new ethernet device */
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+ dev = alloc_etherdev(sizeof(struct el3_private));
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+ if (!dev)
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+ return -ENOMEM;
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+ lp = netdev_priv(dev);
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+ link->priv = dev;
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+ lp->p_dev = link;
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- spin_lock_init(&lp->lock);
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- link->resource[0]->end = 16;
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- link->resource[0]->flags |= IO_DATA_PATH_WIDTH_16;
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+ spin_lock_init(&lp->lock);
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+ link->resource[0]->end = 16;
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+ link->resource[0]->flags |= IO_DATA_PATH_WIDTH_16;
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- link->config_flags |= CONF_ENABLE_IRQ;
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- link->config_index = 1;
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+ link->config_flags |= CONF_ENABLE_IRQ;
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+ link->config_index = 1;
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- dev->netdev_ops = &el3_netdev_ops;
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- dev->watchdog_timeo = TX_TIMEOUT;
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+ dev->netdev_ops = &el3_netdev_ops;
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+ dev->watchdog_timeo = TX_TIMEOUT;
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- SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops);
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+ SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops);
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- return tc589_config(link);
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+ return tc589_config(link);
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}
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static void tc589_detach(struct pcmcia_device *link)
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{
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- struct net_device *dev = link->priv;
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+ struct net_device *dev = link->priv;
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- dev_dbg(&link->dev, "3c589_detach\n");
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+ dev_dbg(&link->dev, "3c589_detach\n");
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- unregister_netdev(dev);
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+ unregister_netdev(dev);
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- tc589_release(link);
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+ tc589_release(link);
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- free_netdev(dev);
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+ free_netdev(dev);
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} /* tc589_detach */
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static int tc589_config(struct pcmcia_device *link)
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{
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- struct net_device *dev = link->priv;
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- __be16 *phys_addr;
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- int ret, i, j, multi = 0, fifo;
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- unsigned int ioaddr;
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- static const char * const ram_split[] = {"5:3", "3:1", "1:1", "3:5"};
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- u8 *buf;
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- size_t len;
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-
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- dev_dbg(&link->dev, "3c589_config\n");
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-
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- phys_addr = (__be16 *)dev->dev_addr;
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- /* Is this a 3c562? */
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- if (link->manf_id != MANFID_3COM)
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- dev_info(&link->dev, "hmmm, is this really a 3Com card??\n");
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- multi = (link->card_id == PRODID_3COM_3C562);
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-
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- link->io_lines = 16;
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-
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- /* For the 3c562, the base address must be xx00-xx7f */
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- for (i = j = 0; j < 0x400; j += 0x10) {
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- if (multi && (j & 0x80)) continue;
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- link->resource[0]->start = j ^ 0x300;
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- i = pcmcia_request_io(link);
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- if (i == 0)
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- break;
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- }
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- if (i != 0)
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- goto failed;
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-
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- ret = pcmcia_request_irq(link, el3_interrupt);
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- if (ret)
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- goto failed;
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-
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- ret = pcmcia_enable_device(link);
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- if (ret)
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- goto failed;
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-
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- dev->irq = link->irq;
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- dev->base_addr = link->resource[0]->start;
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- ioaddr = dev->base_addr;
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- EL3WINDOW(0);
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-
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- /* The 3c589 has an extra EEPROM for configuration info, including
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- the hardware address. The 3c562 puts the address in the CIS. */
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- len = pcmcia_get_tuple(link, 0x88, &buf);
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- if (buf && len >= 6) {
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- for (i = 0; i < 3; i++)
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- phys_addr[i] = htons(le16_to_cpu(buf[i*2]));
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- kfree(buf);
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- } else {
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- kfree(buf); /* 0 < len < 6 */
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- for (i = 0; i < 3; i++)
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- phys_addr[i] = htons(read_eeprom(ioaddr, i));
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- if (phys_addr[0] == htons(0x6060)) {
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- dev_err(&link->dev, "IO port conflict at 0x%03lx-0x%03lx\n",
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- dev->base_addr, dev->base_addr+15);
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- goto failed;
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+ struct net_device *dev = link->priv;
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+ __be16 *phys_addr;
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+ int ret, i, j, multi = 0, fifo;
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+ unsigned int ioaddr;
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+ static const char * const ram_split[] = {"5:3", "3:1", "1:1", "3:5"};
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+ u8 *buf;
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+ size_t len;
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+
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+ dev_dbg(&link->dev, "3c589_config\n");
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+
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+ phys_addr = (__be16 *)dev->dev_addr;
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+ /* Is this a 3c562? */
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+ if (link->manf_id != MANFID_3COM)
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+ dev_info(&link->dev, "hmmm, is this really a 3Com card??\n");
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+ multi = (link->card_id == PRODID_3COM_3C562);
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+
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+ link->io_lines = 16;
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+
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+ /* For the 3c562, the base address must be xx00-xx7f */
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+ for (i = j = 0; j < 0x400; j += 0x10) {
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+ if (multi && (j & 0x80))
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+ continue;
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+ link->resource[0]->start = j ^ 0x300;
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+ i = pcmcia_request_io(link);
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+ if (i == 0)
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+ break;
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}
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- }
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-
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- /* The address and resource configuration register aren't loaded from
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- the EEPROM and *must* be set to 0 and IRQ3 for the PCMCIA version. */
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- outw(0x3f00, ioaddr + 8);
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- fifo = inl(ioaddr);
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-
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- /* The if_port symbol can be set when the module is loaded */
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- if ((if_port >= 0) && (if_port <= 3))
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- dev->if_port = if_port;
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- else
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- dev_err(&link->dev, "invalid if_port requested\n");
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-
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- SET_NETDEV_DEV(dev, &link->dev);
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-
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- if (register_netdev(dev) != 0) {
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- dev_err(&link->dev, "register_netdev() failed\n");
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- goto failed;
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- }
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-
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- netdev_info(dev, "3Com 3c%s, io %#3lx, irq %d, hw_addr %pM\n",
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- (multi ? "562" : "589"), dev->base_addr, dev->irq,
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- dev->dev_addr);
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- netdev_info(dev, " %dK FIFO split %s Rx:Tx, %s xcvr\n",
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- (fifo & 7) ? 32 : 8, ram_split[(fifo >> 16) & 3],
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- if_names[dev->if_port]);
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- return 0;
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+ if (i != 0)
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+ goto failed;
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+
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+ ret = pcmcia_request_irq(link, el3_interrupt);
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+ if (ret)
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+ goto failed;
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+
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+ ret = pcmcia_enable_device(link);
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+ if (ret)
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+ goto failed;
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+
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+ dev->irq = link->irq;
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+ dev->base_addr = link->resource[0]->start;
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+ ioaddr = dev->base_addr;
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+ EL3WINDOW(0);
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+
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+ /* The 3c589 has an extra EEPROM for configuration info, including
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+ * the hardware address. The 3c562 puts the address in the CIS.
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+ */
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+ len = pcmcia_get_tuple(link, 0x88, &buf);
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+ if (buf && len >= 6) {
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+ for (i = 0; i < 3; i++)
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+ phys_addr[i] = htons(le16_to_cpu(buf[i*2]));
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+ kfree(buf);
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+ } else {
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+ kfree(buf); /* 0 < len < 6 */
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+ for (i = 0; i < 3; i++)
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+ phys_addr[i] = htons(read_eeprom(ioaddr, i));
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+ if (phys_addr[0] == htons(0x6060)) {
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+ dev_err(&link->dev, "IO port conflict at 0x%03lx-0x%03lx\n",
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+ dev->base_addr, dev->base_addr+15);
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+ goto failed;
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+ }
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+ }
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+
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+ /* The address and resource configuration register aren't loaded from
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+ * the EEPROM and *must* be set to 0 and IRQ3 for the PCMCIA version.
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+ */
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+
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+ outw(0x3f00, ioaddr + 8);
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+ fifo = inl(ioaddr);
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+
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+ /* The if_port symbol can be set when the module is loaded */
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+ if ((if_port >= 0) && (if_port <= 3))
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+ dev->if_port = if_port;
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+ else
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+ dev_err(&link->dev, "invalid if_port requested\n");
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+
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+ SET_NETDEV_DEV(dev, &link->dev);
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+
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+ if (register_netdev(dev) != 0) {
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+ dev_err(&link->dev, "register_netdev() failed\n");
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+ goto failed;
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+ }
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+
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+ netdev_info(dev, "3Com 3c%s, io %#3lx, irq %d, hw_addr %pM\n",
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+ (multi ? "562" : "589"), dev->base_addr, dev->irq,
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+ dev->dev_addr);
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+ netdev_info(dev, " %dK FIFO split %s Rx:Tx, %s xcvr\n",
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+ (fifo & 7) ? 32 : 8, ram_split[(fifo >> 16) & 3],
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+ if_names[dev->if_port]);
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+ return 0;
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failed:
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- tc589_release(link);
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- return -ENODEV;
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+ tc589_release(link);
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+ return -ENODEV;
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} /* tc589_config */
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static void tc589_release(struct pcmcia_device *link)
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@@ -353,113 +362,120 @@ static int tc589_resume(struct pcmcia_device *link)
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/*====================================================================*/
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-/*
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- Use this for commands that may take time to finish
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-*/
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+/* Use this for commands that may take time to finish */
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+
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static void tc589_wait_for_completion(struct net_device *dev, int cmd)
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{
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- int i = 100;
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- outw(cmd, dev->base_addr + EL3_CMD);
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- while (--i > 0)
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- if (!(inw(dev->base_addr + EL3_STATUS) & 0x1000)) break;
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- if (i == 0)
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- netdev_warn(dev, "command 0x%04x did not complete!\n", cmd);
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+ int i = 100;
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+ outw(cmd, dev->base_addr + EL3_CMD);
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+ while (--i > 0)
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+ if (!(inw(dev->base_addr + EL3_STATUS) & 0x1000))
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+ break;
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+ if (i == 0)
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+ netdev_warn(dev, "command 0x%04x did not complete!\n", cmd);
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}
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-/*
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- Read a word from the EEPROM using the regular EEPROM access register.
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- Assume that we are in register window zero.
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-*/
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+/* Read a word from the EEPROM using the regular EEPROM access register.
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+ * Assume that we are in register window zero.
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+ */
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+
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static u16 read_eeprom(unsigned int ioaddr, int index)
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{
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- int i;
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- outw(EEPROM_READ + index, ioaddr + 10);
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- /* Reading the eeprom takes 162 us */
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- for (i = 1620; i >= 0; i--)
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- if ((inw(ioaddr + 10) & EEPROM_BUSY) == 0)
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- break;
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- return inw(ioaddr + 12);
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+ int i;
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+ outw(EEPROM_READ + index, ioaddr + 10);
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+ /* Reading the eeprom takes 162 us */
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+ for (i = 1620; i >= 0; i--)
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+ if ((inw(ioaddr + 10) & EEPROM_BUSY) == 0)
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+ break;
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+ return inw(ioaddr + 12);
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}
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-/*
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- Set transceiver type, perhaps to something other than what the user
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- specified in dev->if_port.
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-*/
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+/* Set transceiver type, perhaps to something other than what the user
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+ * specified in dev->if_port.
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+ */
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+
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|
|
static void tc589_set_xcvr(struct net_device *dev, int if_port)
|
|
|
{
|
|
|
- struct el3_private *lp = netdev_priv(dev);
|
|
|
- unsigned int ioaddr = dev->base_addr;
|
|
|
-
|
|
|
- EL3WINDOW(0);
|
|
|
- switch (if_port) {
|
|
|
- case 0: case 1: outw(0, ioaddr + 6); break;
|
|
|
- case 2: outw(3<<14, ioaddr + 6); break;
|
|
|
- case 3: outw(1<<14, ioaddr + 6); break;
|
|
|
- }
|
|
|
- /* On PCMCIA, this just turns on the LED */
|
|
|
- outw((if_port == 2) ? StartCoax : StopCoax, ioaddr + EL3_CMD);
|
|
|
- /* 10baseT interface, enable link beat and jabber check. */
|
|
|
- EL3WINDOW(4);
|
|
|
- outw(MEDIA_LED | ((if_port < 2) ? MEDIA_TP : 0), ioaddr + WN4_MEDIA);
|
|
|
- EL3WINDOW(1);
|
|
|
- if (if_port == 2)
|
|
|
- lp->media_status = ((dev->if_port == 0) ? 0x8000 : 0x4000);
|
|
|
- else
|
|
|
- lp->media_status = ((dev->if_port == 0) ? 0x4010 : 0x8800);
|
|
|
+ struct el3_private *lp = netdev_priv(dev);
|
|
|
+ unsigned int ioaddr = dev->base_addr;
|
|
|
+
|
|
|
+ EL3WINDOW(0);
|
|
|
+ switch (if_port) {
|
|
|
+ case 0:
|
|
|
+ case 1:
|
|
|
+ outw(0, ioaddr + 6);
|
|
|
+ break;
|
|
|
+ case 2:
|
|
|
+ outw(3<<14, ioaddr + 6);
|
|
|
+ break;
|
|
|
+ case 3:
|
|
|
+ outw(1<<14, ioaddr + 6);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ /* On PCMCIA, this just turns on the LED */
|
|
|
+ outw((if_port == 2) ? StartCoax : StopCoax, ioaddr + EL3_CMD);
|
|
|
+ /* 10baseT interface, enable link beat and jabber check. */
|
|
|
+ EL3WINDOW(4);
|
|
|
+ outw(MEDIA_LED | ((if_port < 2) ? MEDIA_TP : 0), ioaddr + WN4_MEDIA);
|
|
|
+ EL3WINDOW(1);
|
|
|
+ if (if_port == 2)
|
|
|
+ lp->media_status = ((dev->if_port == 0) ? 0x8000 : 0x4000);
|
|
|
+ else
|
|
|
+ lp->media_status = ((dev->if_port == 0) ? 0x4010 : 0x8800);
|
|
|
}
|
|
|
|
|
|
static void dump_status(struct net_device *dev)
|
|
|
{
|
|
|
- unsigned int ioaddr = dev->base_addr;
|
|
|
- EL3WINDOW(1);
|
|
|
- netdev_info(dev, " irq status %04x, rx status %04x, tx status %02x tx free %04x\n",
|
|
|
- inw(ioaddr+EL3_STATUS), inw(ioaddr+RX_STATUS),
|
|
|
- inb(ioaddr+TX_STATUS), inw(ioaddr+TX_FREE));
|
|
|
- EL3WINDOW(4);
|
|
|
- netdev_info(dev, " diagnostics: fifo %04x net %04x ethernet %04x media %04x\n",
|
|
|
- inw(ioaddr+0x04), inw(ioaddr+0x06), inw(ioaddr+0x08),
|
|
|
- inw(ioaddr+0x0a));
|
|
|
- EL3WINDOW(1);
|
|
|
+ unsigned int ioaddr = dev->base_addr;
|
|
|
+ EL3WINDOW(1);
|
|
|
+ netdev_info(dev, " irq status %04x, rx status %04x, tx status %02x tx free %04x\n",
|
|
|
+ inw(ioaddr+EL3_STATUS), inw(ioaddr+RX_STATUS),
|
|
|
+ inb(ioaddr+TX_STATUS), inw(ioaddr+TX_FREE));
|
|
|
+ EL3WINDOW(4);
|
|
|
+ netdev_info(dev, " diagnostics: fifo %04x net %04x ethernet %04x media %04x\n",
|
|
|
+ inw(ioaddr+0x04), inw(ioaddr+0x06), inw(ioaddr+0x08),
|
|
|
+ inw(ioaddr+0x0a));
|
|
|
+ EL3WINDOW(1);
|
|
|
}
|
|
|
|
|
|
/* Reset and restore all of the 3c589 registers. */
|
|
|
static void tc589_reset(struct net_device *dev)
|
|
|
{
|
|
|
- unsigned int ioaddr = dev->base_addr;
|
|
|
- int i;
|
|
|
-
|
|
|
- EL3WINDOW(0);
|
|
|
- outw(0x0001, ioaddr + 4); /* Activate board. */
|
|
|
- outw(0x3f00, ioaddr + 8); /* Set the IRQ line. */
|
|
|
-
|
|
|
- /* Set the station address in window 2. */
|
|
|
- EL3WINDOW(2);
|
|
|
- for (i = 0; i < 6; i++)
|
|
|
- outb(dev->dev_addr[i], ioaddr + i);
|
|
|
-
|
|
|
- tc589_set_xcvr(dev, dev->if_port);
|
|
|
-
|
|
|
- /* Switch to the stats window, and clear all stats by reading. */
|
|
|
- outw(StatsDisable, ioaddr + EL3_CMD);
|
|
|
- EL3WINDOW(6);
|
|
|
- for (i = 0; i < 9; i++)
|
|
|
- inb(ioaddr+i);
|
|
|
- inw(ioaddr + 10);
|
|
|
- inw(ioaddr + 12);
|
|
|
-
|
|
|
- /* Switch to register set 1 for normal use. */
|
|
|
- EL3WINDOW(1);
|
|
|
-
|
|
|
- set_rx_mode(dev);
|
|
|
- outw(StatsEnable, ioaddr + EL3_CMD); /* Turn on statistics. */
|
|
|
- outw(RxEnable, ioaddr + EL3_CMD); /* Enable the receiver. */
|
|
|
- outw(TxEnable, ioaddr + EL3_CMD); /* Enable transmitter. */
|
|
|
- /* Allow status bits to be seen. */
|
|
|
- outw(SetStatusEnb | 0xff, ioaddr + EL3_CMD);
|
|
|
- /* Ack all pending events, and set active indicator mask. */
|
|
|
- outw(AckIntr | IntLatch | TxAvailable | RxEarly | IntReq,
|
|
|
+ unsigned int ioaddr = dev->base_addr;
|
|
|
+ int i;
|
|
|
+
|
|
|
+ EL3WINDOW(0);
|
|
|
+ outw(0x0001, ioaddr + 4); /* Activate board. */
|
|
|
+ outw(0x3f00, ioaddr + 8); /* Set the IRQ line. */
|
|
|
+
|
|
|
+ /* Set the station address in window 2. */
|
|
|
+ EL3WINDOW(2);
|
|
|
+ for (i = 0; i < 6; i++)
|
|
|
+ outb(dev->dev_addr[i], ioaddr + i);
|
|
|
+
|
|
|
+ tc589_set_xcvr(dev, dev->if_port);
|
|
|
+
|
|
|
+ /* Switch to the stats window, and clear all stats by reading. */
|
|
|
+ outw(StatsDisable, ioaddr + EL3_CMD);
|
|
|
+ EL3WINDOW(6);
|
|
|
+ for (i = 0; i < 9; i++)
|
|
|
+ inb(ioaddr+i);
|
|
|
+ inw(ioaddr + 10);
|
|
|
+ inw(ioaddr + 12);
|
|
|
+
|
|
|
+ /* Switch to register set 1 for normal use. */
|
|
|
+ EL3WINDOW(1);
|
|
|
+
|
|
|
+ set_rx_mode(dev);
|
|
|
+ outw(StatsEnable, ioaddr + EL3_CMD); /* Turn on statistics. */
|
|
|
+ outw(RxEnable, ioaddr + EL3_CMD); /* Enable the receiver. */
|
|
|
+ outw(TxEnable, ioaddr + EL3_CMD); /* Enable transmitter. */
|
|
|
+ /* Allow status bits to be seen. */
|
|
|
+ outw(SetStatusEnb | 0xff, ioaddr + EL3_CMD);
|
|
|
+ /* Ack all pending events, and set active indicator mask. */
|
|
|
+ outw(AckIntr | IntLatch | TxAvailable | RxEarly | IntReq,
|
|
|
ioaddr + EL3_CMD);
|
|
|
- outw(SetIntrEnb | IntLatch | TxAvailable | RxComplete | StatsFull
|
|
|
+ outw(SetIntrEnb | IntLatch | TxAvailable | RxComplete | StatsFull
|
|
|
| AdapterFailure, ioaddr + EL3_CMD);
|
|
|
}
|
|
|
|
|
@@ -478,381 +494,406 @@ static const struct ethtool_ops netdev_ethtool_ops = {
|
|
|
|
|
|
static int el3_config(struct net_device *dev, struct ifmap *map)
|
|
|
{
|
|
|
- if ((map->port != (u_char)(-1)) && (map->port != dev->if_port)) {
|
|
|
- if (map->port <= 3) {
|
|
|
- dev->if_port = map->port;
|
|
|
- netdev_info(dev, "switched to %s port\n", if_names[dev->if_port]);
|
|
|
- tc589_set_xcvr(dev, dev->if_port);
|
|
|
- } else
|
|
|
- return -EINVAL;
|
|
|
- }
|
|
|
- return 0;
|
|
|
+ if ((map->port != (u_char)(-1)) && (map->port != dev->if_port)) {
|
|
|
+ if (map->port <= 3) {
|
|
|
+ dev->if_port = map->port;
|
|
|
+ netdev_info(dev, "switched to %s port\n", if_names[dev->if_port]);
|
|
|
+ tc589_set_xcvr(dev, dev->if_port);
|
|
|
+ } else {
|
|
|
+ return -EINVAL;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return 0;
|
|
|
}
|
|
|
|
|
|
static int el3_open(struct net_device *dev)
|
|
|
{
|
|
|
- struct el3_private *lp = netdev_priv(dev);
|
|
|
- struct pcmcia_device *link = lp->p_dev;
|
|
|
+ struct el3_private *lp = netdev_priv(dev);
|
|
|
+ struct pcmcia_device *link = lp->p_dev;
|
|
|
|
|
|
- if (!pcmcia_dev_present(link))
|
|
|
- return -ENODEV;
|
|
|
+ if (!pcmcia_dev_present(link))
|
|
|
+ return -ENODEV;
|
|
|
|
|
|
- link->open++;
|
|
|
- netif_start_queue(dev);
|
|
|
+ link->open++;
|
|
|
+ netif_start_queue(dev);
|
|
|
|
|
|
- tc589_reset(dev);
|
|
|
- init_timer(&lp->media);
|
|
|
- lp->media.function = media_check;
|
|
|
- lp->media.data = (unsigned long) dev;
|
|
|
- lp->media.expires = jiffies + HZ;
|
|
|
- add_timer(&lp->media);
|
|
|
+ tc589_reset(dev);
|
|
|
+ init_timer(&lp->media);
|
|
|
+ lp->media.function = media_check;
|
|
|
+ lp->media.data = (unsigned long) dev;
|
|
|
+ lp->media.expires = jiffies + HZ;
|
|
|
+ add_timer(&lp->media);
|
|
|
|
|
|
- dev_dbg(&link->dev, "%s: opened, status %4.4x.\n",
|
|
|
+ dev_dbg(&link->dev, "%s: opened, status %4.4x.\n",
|
|
|
dev->name, inw(dev->base_addr + EL3_STATUS));
|
|
|
|
|
|
- return 0;
|
|
|
+ return 0;
|
|
|
}
|
|
|
|
|
|
static void el3_tx_timeout(struct net_device *dev)
|
|
|
{
|
|
|
- unsigned int ioaddr = dev->base_addr;
|
|
|
-
|
|
|
- netdev_warn(dev, "Transmit timed out!\n");
|
|
|
- dump_status(dev);
|
|
|
- dev->stats.tx_errors++;
|
|
|
- dev->trans_start = jiffies; /* prevent tx timeout */
|
|
|
- /* Issue TX_RESET and TX_START commands. */
|
|
|
- tc589_wait_for_completion(dev, TxReset);
|
|
|
- outw(TxEnable, ioaddr + EL3_CMD);
|
|
|
- netif_wake_queue(dev);
|
|
|
+ unsigned int ioaddr = dev->base_addr;
|
|
|
+
|
|
|
+ netdev_warn(dev, "Transmit timed out!\n");
|
|
|
+ dump_status(dev);
|
|
|
+ dev->stats.tx_errors++;
|
|
|
+ dev->trans_start = jiffies; /* prevent tx timeout */
|
|
|
+ /* Issue TX_RESET and TX_START commands. */
|
|
|
+ tc589_wait_for_completion(dev, TxReset);
|
|
|
+ outw(TxEnable, ioaddr + EL3_CMD);
|
|
|
+ netif_wake_queue(dev);
|
|
|
}
|
|
|
|
|
|
static void pop_tx_status(struct net_device *dev)
|
|
|
{
|
|
|
- unsigned int ioaddr = dev->base_addr;
|
|
|
- int i;
|
|
|
-
|
|
|
- /* Clear the Tx status stack. */
|
|
|
- for (i = 32; i > 0; i--) {
|
|
|
- u_char tx_status = inb(ioaddr + TX_STATUS);
|
|
|
- if (!(tx_status & 0x84)) break;
|
|
|
- /* reset transmitter on jabber error or underrun */
|
|
|
- if (tx_status & 0x30)
|
|
|
- tc589_wait_for_completion(dev, TxReset);
|
|
|
- if (tx_status & 0x38) {
|
|
|
- netdev_dbg(dev, "transmit error: status 0x%02x\n", tx_status);
|
|
|
- outw(TxEnable, ioaddr + EL3_CMD);
|
|
|
- dev->stats.tx_aborted_errors++;
|
|
|
+ unsigned int ioaddr = dev->base_addr;
|
|
|
+ int i;
|
|
|
+
|
|
|
+ /* Clear the Tx status stack. */
|
|
|
+ for (i = 32; i > 0; i--) {
|
|
|
+ u_char tx_status = inb(ioaddr + TX_STATUS);
|
|
|
+ if (!(tx_status & 0x84))
|
|
|
+ break;
|
|
|
+ /* reset transmitter on jabber error or underrun */
|
|
|
+ if (tx_status & 0x30)
|
|
|
+ tc589_wait_for_completion(dev, TxReset);
|
|
|
+ if (tx_status & 0x38) {
|
|
|
+ netdev_dbg(dev, "transmit error: status 0x%02x\n", tx_status);
|
|
|
+ outw(TxEnable, ioaddr + EL3_CMD);
|
|
|
+ dev->stats.tx_aborted_errors++;
|
|
|
+ }
|
|
|
+ outb(0x00, ioaddr + TX_STATUS); /* Pop the status stack. */
|
|
|
}
|
|
|
- outb(0x00, ioaddr + TX_STATUS); /* Pop the status stack. */
|
|
|
- }
|
|
|
}
|
|
|
|
|
|
static netdev_tx_t el3_start_xmit(struct sk_buff *skb,
|
|
|
struct net_device *dev)
|
|
|
{
|
|
|
- unsigned int ioaddr = dev->base_addr;
|
|
|
- struct el3_private *priv = netdev_priv(dev);
|
|
|
- unsigned long flags;
|
|
|
+ unsigned int ioaddr = dev->base_addr;
|
|
|
+ struct el3_private *priv = netdev_priv(dev);
|
|
|
+ unsigned long flags;
|
|
|
|
|
|
- netdev_dbg(dev, "el3_start_xmit(length = %ld) called, status %4.4x.\n",
|
|
|
+ netdev_dbg(dev, "el3_start_xmit(length = %ld) called, status %4.4x.\n",
|
|
|
(long)skb->len, inw(ioaddr + EL3_STATUS));
|
|
|
|
|
|
- spin_lock_irqsave(&priv->lock, flags);
|
|
|
+ spin_lock_irqsave(&priv->lock, flags);
|
|
|
|
|
|
- dev->stats.tx_bytes += skb->len;
|
|
|
+ dev->stats.tx_bytes += skb->len;
|
|
|
|
|
|
- /* Put out the doubleword header... */
|
|
|
- outw(skb->len, ioaddr + TX_FIFO);
|
|
|
- outw(0x00, ioaddr + TX_FIFO);
|
|
|
- /* ... and the packet rounded to a doubleword. */
|
|
|
- outsl(ioaddr + TX_FIFO, skb->data, (skb->len + 3) >> 2);
|
|
|
+ /* Put out the doubleword header... */
|
|
|
+ outw(skb->len, ioaddr + TX_FIFO);
|
|
|
+ outw(0x00, ioaddr + TX_FIFO);
|
|
|
+ /* ... and the packet rounded to a doubleword. */
|
|
|
+ outsl(ioaddr + TX_FIFO, skb->data, (skb->len + 3) >> 2);
|
|
|
|
|
|
- if (inw(ioaddr + TX_FREE) <= 1536) {
|
|
|
- netif_stop_queue(dev);
|
|
|
- /* Interrupt us when the FIFO has room for max-sized packet. */
|
|
|
- outw(SetTxThreshold + 1536, ioaddr + EL3_CMD);
|
|
|
- }
|
|
|
+ if (inw(ioaddr + TX_FREE) <= 1536) {
|
|
|
+ netif_stop_queue(dev);
|
|
|
+ /* Interrupt us when the FIFO has room for max-sized packet. */
|
|
|
+ outw(SetTxThreshold + 1536, ioaddr + EL3_CMD);
|
|
|
+ }
|
|
|
|
|
|
- pop_tx_status(dev);
|
|
|
- spin_unlock_irqrestore(&priv->lock, flags);
|
|
|
- dev_kfree_skb(skb);
|
|
|
+ pop_tx_status(dev);
|
|
|
+ spin_unlock_irqrestore(&priv->lock, flags);
|
|
|
+ dev_kfree_skb(skb);
|
|
|
|
|
|
- return NETDEV_TX_OK;
|
|
|
+ return NETDEV_TX_OK;
|
|
|
}
|
|
|
|
|
|
/* The EL3 interrupt handler. */
|
|
|
static irqreturn_t el3_interrupt(int irq, void *dev_id)
|
|
|
{
|
|
|
- struct net_device *dev = (struct net_device *) dev_id;
|
|
|
- struct el3_private *lp = netdev_priv(dev);
|
|
|
- unsigned int ioaddr;
|
|
|
- __u16 status;
|
|
|
- int i = 0, handled = 1;
|
|
|
+ struct net_device *dev = (struct net_device *) dev_id;
|
|
|
+ struct el3_private *lp = netdev_priv(dev);
|
|
|
+ unsigned int ioaddr;
|
|
|
+ __u16 status;
|
|
|
+ int i = 0, handled = 1;
|
|
|
|
|
|
- if (!netif_device_present(dev))
|
|
|
- return IRQ_NONE;
|
|
|
+ if (!netif_device_present(dev))
|
|
|
+ return IRQ_NONE;
|
|
|
|
|
|
- ioaddr = dev->base_addr;
|
|
|
+ ioaddr = dev->base_addr;
|
|
|
|
|
|
- netdev_dbg(dev, "interrupt, status %4.4x.\n", inw(ioaddr + EL3_STATUS));
|
|
|
+ netdev_dbg(dev, "interrupt, status %4.4x.\n", inw(ioaddr + EL3_STATUS));
|
|
|
|
|
|
- spin_lock(&lp->lock);
|
|
|
- while ((status = inw(ioaddr + EL3_STATUS)) &
|
|
|
+ spin_lock(&lp->lock);
|
|
|
+ while ((status = inw(ioaddr + EL3_STATUS)) &
|
|
|
(IntLatch | RxComplete | StatsFull)) {
|
|
|
- if ((status & 0xe000) != 0x2000) {
|
|
|
- netdev_dbg(dev, "interrupt from dead card\n");
|
|
|
- handled = 0;
|
|
|
- break;
|
|
|
- }
|
|
|
- if (status & RxComplete)
|
|
|
- el3_rx(dev);
|
|
|
- if (status & TxAvailable) {
|
|
|
- netdev_dbg(dev, " TX room bit was handled.\n");
|
|
|
- /* There's room in the FIFO for a full-sized packet. */
|
|
|
- outw(AckIntr | TxAvailable, ioaddr + EL3_CMD);
|
|
|
- netif_wake_queue(dev);
|
|
|
- }
|
|
|
- if (status & TxComplete)
|
|
|
- pop_tx_status(dev);
|
|
|
- if (status & (AdapterFailure | RxEarly | StatsFull)) {
|
|
|
- /* Handle all uncommon interrupts. */
|
|
|
- if (status & StatsFull) /* Empty statistics. */
|
|
|
- update_stats(dev);
|
|
|
- if (status & RxEarly) { /* Rx early is unused. */
|
|
|
- el3_rx(dev);
|
|
|
- outw(AckIntr | RxEarly, ioaddr + EL3_CMD);
|
|
|
- }
|
|
|
- if (status & AdapterFailure) {
|
|
|
- u16 fifo_diag;
|
|
|
- EL3WINDOW(4);
|
|
|
- fifo_diag = inw(ioaddr + 4);
|
|
|
- EL3WINDOW(1);
|
|
|
- netdev_warn(dev, "adapter failure, FIFO diagnostic register %04x.\n",
|
|
|
+ if ((status & 0xe000) != 0x2000) {
|
|
|
+ netdev_dbg(dev, "interrupt from dead card\n");
|
|
|
+ handled = 0;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ if (status & RxComplete)
|
|
|
+ el3_rx(dev);
|
|
|
+ if (status & TxAvailable) {
|
|
|
+ netdev_dbg(dev, " TX room bit was handled.\n");
|
|
|
+ /* There's room in the FIFO for a full-sized packet. */
|
|
|
+ outw(AckIntr | TxAvailable, ioaddr + EL3_CMD);
|
|
|
+ netif_wake_queue(dev);
|
|
|
+ }
|
|
|
+ if (status & TxComplete)
|
|
|
+ pop_tx_status(dev);
|
|
|
+ if (status & (AdapterFailure | RxEarly | StatsFull)) {
|
|
|
+ /* Handle all uncommon interrupts. */
|
|
|
+ if (status & StatsFull) /* Empty statistics. */
|
|
|
+ update_stats(dev);
|
|
|
+ if (status & RxEarly) {
|
|
|
+ /* Rx early is unused. */
|
|
|
+ el3_rx(dev);
|
|
|
+ outw(AckIntr | RxEarly, ioaddr + EL3_CMD);
|
|
|
+ }
|
|
|
+ if (status & AdapterFailure) {
|
|
|
+ u16 fifo_diag;
|
|
|
+ EL3WINDOW(4);
|
|
|
+ fifo_diag = inw(ioaddr + 4);
|
|
|
+ EL3WINDOW(1);
|
|
|
+ netdev_warn(dev, "adapter failure, FIFO diagnostic register %04x.\n",
|
|
|
fifo_diag);
|
|
|
- if (fifo_diag & 0x0400) {
|
|
|
- /* Tx overrun */
|
|
|
- tc589_wait_for_completion(dev, TxReset);
|
|
|
- outw(TxEnable, ioaddr + EL3_CMD);
|
|
|
+ if (fifo_diag & 0x0400) {
|
|
|
+ /* Tx overrun */
|
|
|
+ tc589_wait_for_completion(dev, TxReset);
|
|
|
+ outw(TxEnable, ioaddr + EL3_CMD);
|
|
|
+ }
|
|
|
+ if (fifo_diag & 0x2000) {
|
|
|
+ /* Rx underrun */
|
|
|
+ tc589_wait_for_completion(dev, RxReset);
|
|
|
+ set_rx_mode(dev);
|
|
|
+ outw(RxEnable, ioaddr + EL3_CMD);
|
|
|
+ }
|
|
|
+ outw(AckIntr | AdapterFailure, ioaddr + EL3_CMD);
|
|
|
+ }
|
|
|
}
|
|
|
- if (fifo_diag & 0x2000) {
|
|
|
- /* Rx underrun */
|
|
|
- tc589_wait_for_completion(dev, RxReset);
|
|
|
- set_rx_mode(dev);
|
|
|
- outw(RxEnable, ioaddr + EL3_CMD);
|
|
|
+ if (++i > 10) {
|
|
|
+ netdev_err(dev, "infinite loop in interrupt, status %4.4x.\n",
|
|
|
+ status);
|
|
|
+ /* Clear all interrupts */
|
|
|
+ outw(AckIntr | 0xFF, ioaddr + EL3_CMD);
|
|
|
+ break;
|
|
|
}
|
|
|
- outw(AckIntr | AdapterFailure, ioaddr + EL3_CMD);
|
|
|
- }
|
|
|
+ /* Acknowledge the IRQ. */
|
|
|
+ outw(AckIntr | IntReq | IntLatch, ioaddr + EL3_CMD);
|
|
|
}
|
|
|
- if (++i > 10) {
|
|
|
- netdev_err(dev, "infinite loop in interrupt, status %4.4x.\n",
|
|
|
- status);
|
|
|
- /* Clear all interrupts */
|
|
|
- outw(AckIntr | 0xFF, ioaddr + EL3_CMD);
|
|
|
- break;
|
|
|
- }
|
|
|
- /* Acknowledge the IRQ. */
|
|
|
- outw(AckIntr | IntReq | IntLatch, ioaddr + EL3_CMD);
|
|
|
- }
|
|
|
- lp->last_irq = jiffies;
|
|
|
- spin_unlock(&lp->lock);
|
|
|
- netdev_dbg(dev, "exiting interrupt, status %4.4x.\n",
|
|
|
- inw(ioaddr + EL3_STATUS));
|
|
|
- return IRQ_RETVAL(handled);
|
|
|
+ lp->last_irq = jiffies;
|
|
|
+ spin_unlock(&lp->lock);
|
|
|
+ netdev_dbg(dev, "exiting interrupt, status %4.4x.\n",
|
|
|
+ inw(ioaddr + EL3_STATUS));
|
|
|
+ return IRQ_RETVAL(handled);
|
|
|
}
|
|
|
|
|
|
static void media_check(unsigned long arg)
|
|
|
{
|
|
|
- struct net_device *dev = (struct net_device *)(arg);
|
|
|
- struct el3_private *lp = netdev_priv(dev);
|
|
|
- unsigned int ioaddr = dev->base_addr;
|
|
|
- u16 media, errs;
|
|
|
- unsigned long flags;
|
|
|
+ struct net_device *dev = (struct net_device *)(arg);
|
|
|
+ struct el3_private *lp = netdev_priv(dev);
|
|
|
+ unsigned int ioaddr = dev->base_addr;
|
|
|
+ u16 media, errs;
|
|
|
+ unsigned long flags;
|
|
|
|
|
|
- if (!netif_device_present(dev)) goto reschedule;
|
|
|
+ if (!netif_device_present(dev))
|
|
|
+ goto reschedule;
|
|
|
|
|
|
- /* Check for pending interrupt with expired latency timer: with
|
|
|
- this, we can limp along even if the interrupt is blocked */
|
|
|
- if ((inw(ioaddr + EL3_STATUS) & IntLatch) &&
|
|
|
+ /* Check for pending interrupt with expired latency timer: with
|
|
|
+ * this, we can limp along even if the interrupt is blocked
|
|
|
+ */
|
|
|
+ if ((inw(ioaddr + EL3_STATUS) & IntLatch) &&
|
|
|
(inb(ioaddr + EL3_TIMER) == 0xff)) {
|
|
|
- if (!lp->fast_poll)
|
|
|
- netdev_warn(dev, "interrupt(s) dropped!\n");
|
|
|
-
|
|
|
- local_irq_save(flags);
|
|
|
- el3_interrupt(dev->irq, dev);
|
|
|
- local_irq_restore(flags);
|
|
|
-
|
|
|
- lp->fast_poll = HZ;
|
|
|
- }
|
|
|
- if (lp->fast_poll) {
|
|
|
- lp->fast_poll--;
|
|
|
- lp->media.expires = jiffies + HZ/100;
|
|
|
- add_timer(&lp->media);
|
|
|
- return;
|
|
|
- }
|
|
|
-
|
|
|
- /* lp->lock guards the EL3 window. Window should always be 1 except
|
|
|
- when the lock is held */
|
|
|
- spin_lock_irqsave(&lp->lock, flags);
|
|
|
- EL3WINDOW(4);
|
|
|
- media = inw(ioaddr+WN4_MEDIA) & 0xc810;
|
|
|
-
|
|
|
- /* Ignore collisions unless we've had no irq's recently */
|
|
|
- if (time_before(jiffies, lp->last_irq + HZ)) {
|
|
|
- media &= ~0x0010;
|
|
|
- } else {
|
|
|
- /* Try harder to detect carrier errors */
|
|
|
- EL3WINDOW(6);
|
|
|
- outw(StatsDisable, ioaddr + EL3_CMD);
|
|
|
- errs = inb(ioaddr + 0);
|
|
|
- outw(StatsEnable, ioaddr + EL3_CMD);
|
|
|
- dev->stats.tx_carrier_errors += errs;
|
|
|
- if (errs || (lp->media_status & 0x0010)) media |= 0x0010;
|
|
|
- }
|
|
|
+ if (!lp->fast_poll)
|
|
|
+ netdev_warn(dev, "interrupt(s) dropped!\n");
|
|
|
+
|
|
|
+ local_irq_save(flags);
|
|
|
+ el3_interrupt(dev->irq, dev);
|
|
|
+ local_irq_restore(flags);
|
|
|
+
|
|
|
+ lp->fast_poll = HZ;
|
|
|
+ }
|
|
|
+ if (lp->fast_poll) {
|
|
|
+ lp->fast_poll--;
|
|
|
+ lp->media.expires = jiffies + HZ/100;
|
|
|
+ add_timer(&lp->media);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* lp->lock guards the EL3 window. Window should always be 1 except
|
|
|
+ * when the lock is held
|
|
|
+ */
|
|
|
+
|
|
|
+ spin_lock_irqsave(&lp->lock, flags);
|
|
|
+ EL3WINDOW(4);
|
|
|
+ media = inw(ioaddr+WN4_MEDIA) & 0xc810;
|
|
|
+
|
|
|
+ /* Ignore collisions unless we've had no irq's recently */
|
|
|
+ if (time_before(jiffies, lp->last_irq + HZ)) {
|
|
|
+ media &= ~0x0010;
|
|
|
+ } else {
|
|
|
+ /* Try harder to detect carrier errors */
|
|
|
+ EL3WINDOW(6);
|
|
|
+ outw(StatsDisable, ioaddr + EL3_CMD);
|
|
|
+ errs = inb(ioaddr + 0);
|
|
|
+ outw(StatsEnable, ioaddr + EL3_CMD);
|
|
|
+ dev->stats.tx_carrier_errors += errs;
|
|
|
+ if (errs || (lp->media_status & 0x0010))
|
|
|
+ media |= 0x0010;
|
|
|
+ }
|
|
|
|
|
|
- if (media != lp->media_status) {
|
|
|
- if ((media & lp->media_status & 0x8000) &&
|
|
|
- ((lp->media_status ^ media) & 0x0800))
|
|
|
+ if (media != lp->media_status) {
|
|
|
+ if ((media & lp->media_status & 0x8000) &&
|
|
|
+ ((lp->media_status ^ media) & 0x0800))
|
|
|
netdev_info(dev, "%s link beat\n",
|
|
|
- (lp->media_status & 0x0800 ? "lost" : "found"));
|
|
|
- else if ((media & lp->media_status & 0x4000) &&
|
|
|
+ (lp->media_status & 0x0800 ? "lost" : "found"));
|
|
|
+ else if ((media & lp->media_status & 0x4000) &&
|
|
|
((lp->media_status ^ media) & 0x0010))
|
|
|
netdev_info(dev, "coax cable %s\n",
|
|
|
- (lp->media_status & 0x0010 ? "ok" : "problem"));
|
|
|
- if (dev->if_port == 0) {
|
|
|
- if (media & 0x8000) {
|
|
|
- if (media & 0x0800)
|
|
|
- netdev_info(dev, "flipped to 10baseT\n");
|
|
|
- else
|
|
|
+ (lp->media_status & 0x0010 ? "ok" : "problem"));
|
|
|
+ if (dev->if_port == 0) {
|
|
|
+ if (media & 0x8000) {
|
|
|
+ if (media & 0x0800)
|
|
|
+ netdev_info(dev, "flipped to 10baseT\n");
|
|
|
+ else
|
|
|
tc589_set_xcvr(dev, 2);
|
|
|
- } else if (media & 0x4000) {
|
|
|
- if (media & 0x0010)
|
|
|
- tc589_set_xcvr(dev, 1);
|
|
|
- else
|
|
|
- netdev_info(dev, "flipped to 10base2\n");
|
|
|
- }
|
|
|
+ } else if (media & 0x4000) {
|
|
|
+ if (media & 0x0010)
|
|
|
+ tc589_set_xcvr(dev, 1);
|
|
|
+ else
|
|
|
+ netdev_info(dev, "flipped to 10base2\n");
|
|
|
+ }
|
|
|
+ }
|
|
|
+ lp->media_status = media;
|
|
|
}
|
|
|
- lp->media_status = media;
|
|
|
- }
|
|
|
|
|
|
- EL3WINDOW(1);
|
|
|
- spin_unlock_irqrestore(&lp->lock, flags);
|
|
|
+ EL3WINDOW(1);
|
|
|
+ spin_unlock_irqrestore(&lp->lock, flags);
|
|
|
|
|
|
reschedule:
|
|
|
- lp->media.expires = jiffies + HZ;
|
|
|
- add_timer(&lp->media);
|
|
|
+ lp->media.expires = jiffies + HZ;
|
|
|
+ add_timer(&lp->media);
|
|
|
}
|
|
|
|
|
|
static struct net_device_stats *el3_get_stats(struct net_device *dev)
|
|
|
{
|
|
|
- struct el3_private *lp = netdev_priv(dev);
|
|
|
- unsigned long flags;
|
|
|
- struct pcmcia_device *link = lp->p_dev;
|
|
|
+ struct el3_private *lp = netdev_priv(dev);
|
|
|
+ unsigned long flags;
|
|
|
+ struct pcmcia_device *link = lp->p_dev;
|
|
|
|
|
|
- if (pcmcia_dev_present(link)) {
|
|
|
- spin_lock_irqsave(&lp->lock, flags);
|
|
|
- update_stats(dev);
|
|
|
- spin_unlock_irqrestore(&lp->lock, flags);
|
|
|
- }
|
|
|
- return &dev->stats;
|
|
|
+ if (pcmcia_dev_present(link)) {
|
|
|
+ spin_lock_irqsave(&lp->lock, flags);
|
|
|
+ update_stats(dev);
|
|
|
+ spin_unlock_irqrestore(&lp->lock, flags);
|
|
|
+ }
|
|
|
+ return &dev->stats;
|
|
|
}
|
|
|
|
|
|
-/*
|
|
|
- Update statistics. We change to register window 6, so this should be run
|
|
|
- single-threaded if the device is active. This is expected to be a rare
|
|
|
- operation, and it's simpler for the rest of the driver to assume that
|
|
|
- window 1 is always valid rather than use a special window-state variable.
|
|
|
-
|
|
|
- Caller must hold the lock for this
|
|
|
+/* Update statistics. We change to register window 6, so this should be run
|
|
|
+* single-threaded if the device is active. This is expected to be a rare
|
|
|
+* operation, and it's simpler for the rest of the driver to assume that
|
|
|
+* window 1 is always valid rather than use a special window-state variable.
|
|
|
+*
|
|
|
+* Caller must hold the lock for this
|
|
|
*/
|
|
|
+
|
|
|
static void update_stats(struct net_device *dev)
|
|
|
{
|
|
|
- unsigned int ioaddr = dev->base_addr;
|
|
|
-
|
|
|
- netdev_dbg(dev, "updating the statistics.\n");
|
|
|
- /* Turn off statistics updates while reading. */
|
|
|
- outw(StatsDisable, ioaddr + EL3_CMD);
|
|
|
- /* Switch to the stats window, and read everything. */
|
|
|
- EL3WINDOW(6);
|
|
|
- dev->stats.tx_carrier_errors += inb(ioaddr + 0);
|
|
|
- dev->stats.tx_heartbeat_errors += inb(ioaddr + 1);
|
|
|
- /* Multiple collisions. */ inb(ioaddr + 2);
|
|
|
- dev->stats.collisions += inb(ioaddr + 3);
|
|
|
- dev->stats.tx_window_errors += inb(ioaddr + 4);
|
|
|
- dev->stats.rx_fifo_errors += inb(ioaddr + 5);
|
|
|
- dev->stats.tx_packets += inb(ioaddr + 6);
|
|
|
- /* Rx packets */ inb(ioaddr + 7);
|
|
|
- /* Tx deferrals */ inb(ioaddr + 8);
|
|
|
- /* Rx octets */ inw(ioaddr + 10);
|
|
|
- /* Tx octets */ inw(ioaddr + 12);
|
|
|
-
|
|
|
- /* Back to window 1, and turn statistics back on. */
|
|
|
- EL3WINDOW(1);
|
|
|
- outw(StatsEnable, ioaddr + EL3_CMD);
|
|
|
+ unsigned int ioaddr = dev->base_addr;
|
|
|
+
|
|
|
+ netdev_dbg(dev, "updating the statistics.\n");
|
|
|
+ /* Turn off statistics updates while reading. */
|
|
|
+ outw(StatsDisable, ioaddr + EL3_CMD);
|
|
|
+ /* Switch to the stats window, and read everything. */
|
|
|
+ EL3WINDOW(6);
|
|
|
+ dev->stats.tx_carrier_errors += inb(ioaddr + 0);
|
|
|
+ dev->stats.tx_heartbeat_errors += inb(ioaddr + 1);
|
|
|
+ /* Multiple collisions. */
|
|
|
+ inb(ioaddr + 2);
|
|
|
+ dev->stats.collisions += inb(ioaddr + 3);
|
|
|
+ dev->stats.tx_window_errors += inb(ioaddr + 4);
|
|
|
+ dev->stats.rx_fifo_errors += inb(ioaddr + 5);
|
|
|
+ dev->stats.tx_packets += inb(ioaddr + 6);
|
|
|
+ /* Rx packets */
|
|
|
+ inb(ioaddr + 7);
|
|
|
+ /* Tx deferrals */
|
|
|
+ inb(ioaddr + 8);
|
|
|
+ /* Rx octets */
|
|
|
+ inw(ioaddr + 10);
|
|
|
+ /* Tx octets */
|
|
|
+ inw(ioaddr + 12);
|
|
|
+
|
|
|
+ /* Back to window 1, and turn statistics back on. */
|
|
|
+ EL3WINDOW(1);
|
|
|
+ outw(StatsEnable, ioaddr + EL3_CMD);
|
|
|
}
|
|
|
|
|
|
static int el3_rx(struct net_device *dev)
|
|
|
{
|
|
|
- unsigned int ioaddr = dev->base_addr;
|
|
|
- int worklimit = 32;
|
|
|
- short rx_status;
|
|
|
+ unsigned int ioaddr = dev->base_addr;
|
|
|
+ int worklimit = 32;
|
|
|
+ short rx_status;
|
|
|
|
|
|
- netdev_dbg(dev, "in rx_packet(), status %4.4x, rx_status %4.4x.\n",
|
|
|
+ netdev_dbg(dev, "in rx_packet(), status %4.4x, rx_status %4.4x.\n",
|
|
|
inw(ioaddr+EL3_STATUS), inw(ioaddr+RX_STATUS));
|
|
|
- while (!((rx_status = inw(ioaddr + RX_STATUS)) & 0x8000) &&
|
|
|
+ while (!((rx_status = inw(ioaddr + RX_STATUS)) & 0x8000) &&
|
|
|
worklimit > 0) {
|
|
|
- worklimit--;
|
|
|
- if (rx_status & 0x4000) { /* Error, update stats. */
|
|
|
- short error = rx_status & 0x3800;
|
|
|
- dev->stats.rx_errors++;
|
|
|
- switch (error) {
|
|
|
- case 0x0000: dev->stats.rx_over_errors++; break;
|
|
|
- case 0x0800: dev->stats.rx_length_errors++; break;
|
|
|
- case 0x1000: dev->stats.rx_frame_errors++; break;
|
|
|
- case 0x1800: dev->stats.rx_length_errors++; break;
|
|
|
- case 0x2000: dev->stats.rx_frame_errors++; break;
|
|
|
- case 0x2800: dev->stats.rx_crc_errors++; break;
|
|
|
- }
|
|
|
- } else {
|
|
|
- short pkt_len = rx_status & 0x7ff;
|
|
|
- struct sk_buff *skb;
|
|
|
-
|
|
|
- skb = netdev_alloc_skb(dev, pkt_len + 5);
|
|
|
-
|
|
|
- netdev_dbg(dev, " Receiving packet size %d status %4.4x.\n",
|
|
|
+ worklimit--;
|
|
|
+ if (rx_status & 0x4000) { /* Error, update stats. */
|
|
|
+ short error = rx_status & 0x3800;
|
|
|
+ dev->stats.rx_errors++;
|
|
|
+ switch (error) {
|
|
|
+ case 0x0000:
|
|
|
+ dev->stats.rx_over_errors++;
|
|
|
+ break;
|
|
|
+ case 0x0800:
|
|
|
+ dev->stats.rx_length_errors++;
|
|
|
+ break;
|
|
|
+ case 0x1000:
|
|
|
+ dev->stats.rx_frame_errors++;
|
|
|
+ break;
|
|
|
+ case 0x1800:
|
|
|
+ dev->stats.rx_length_errors++;
|
|
|
+ break;
|
|
|
+ case 0x2000:
|
|
|
+ dev->stats.rx_frame_errors++;
|
|
|
+ break;
|
|
|
+ case 0x2800:
|
|
|
+ dev->stats.rx_crc_errors++;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ short pkt_len = rx_status & 0x7ff;
|
|
|
+ struct sk_buff *skb;
|
|
|
+
|
|
|
+ skb = netdev_alloc_skb(dev, pkt_len + 5);
|
|
|
+
|
|
|
+ netdev_dbg(dev, " Receiving packet size %d status %4.4x.\n",
|
|
|
pkt_len, rx_status);
|
|
|
- if (skb != NULL) {
|
|
|
- skb_reserve(skb, 2);
|
|
|
- insl(ioaddr+RX_FIFO, skb_put(skb, pkt_len),
|
|
|
+ if (skb != NULL) {
|
|
|
+ skb_reserve(skb, 2);
|
|
|
+ insl(ioaddr+RX_FIFO, skb_put(skb, pkt_len),
|
|
|
(pkt_len+3)>>2);
|
|
|
- skb->protocol = eth_type_trans(skb, dev);
|
|
|
- netif_rx(skb);
|
|
|
- dev->stats.rx_packets++;
|
|
|
- dev->stats.rx_bytes += pkt_len;
|
|
|
- } else {
|
|
|
- netdev_dbg(dev, "couldn't allocate a sk_buff of size %d.\n",
|
|
|
+ skb->protocol = eth_type_trans(skb, dev);
|
|
|
+ netif_rx(skb);
|
|
|
+ dev->stats.rx_packets++;
|
|
|
+ dev->stats.rx_bytes += pkt_len;
|
|
|
+ } else {
|
|
|
+ netdev_dbg(dev, "couldn't allocate a sk_buff of size %d.\n",
|
|
|
pkt_len);
|
|
|
- dev->stats.rx_dropped++;
|
|
|
- }
|
|
|
+ dev->stats.rx_dropped++;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ /* Pop the top of the Rx FIFO */
|
|
|
+ tc589_wait_for_completion(dev, RxDiscard);
|
|
|
}
|
|
|
- /* Pop the top of the Rx FIFO */
|
|
|
- tc589_wait_for_completion(dev, RxDiscard);
|
|
|
- }
|
|
|
- if (worklimit == 0)
|
|
|
- netdev_warn(dev, "too much work in el3_rx!\n");
|
|
|
- return 0;
|
|
|
+ if (worklimit == 0)
|
|
|
+ netdev_warn(dev, "too much work in el3_rx!\n");
|
|
|
+ return 0;
|
|
|
}
|
|
|
|
|
|
static void set_rx_mode(struct net_device *dev)
|
|
|
{
|
|
|
- unsigned int ioaddr = dev->base_addr;
|
|
|
- u16 opts = SetRxFilter | RxStation | RxBroadcast;
|
|
|
-
|
|
|
- if (dev->flags & IFF_PROMISC)
|
|
|
- opts |= RxMulticast | RxProm;
|
|
|
- else if (!netdev_mc_empty(dev) || (dev->flags & IFF_ALLMULTI))
|
|
|
- opts |= RxMulticast;
|
|
|
- outw(opts, ioaddr + EL3_CMD);
|
|
|
+ unsigned int ioaddr = dev->base_addr;
|
|
|
+ u16 opts = SetRxFilter | RxStation | RxBroadcast;
|
|
|
+
|
|
|
+ if (dev->flags & IFF_PROMISC)
|
|
|
+ opts |= RxMulticast | RxProm;
|
|
|
+ else if (!netdev_mc_empty(dev) || (dev->flags & IFF_ALLMULTI))
|
|
|
+ opts |= RxMulticast;
|
|
|
+ outw(opts, ioaddr + EL3_CMD);
|
|
|
}
|
|
|
|
|
|
static void set_multicast_list(struct net_device *dev)
|
|
@@ -867,44 +908,44 @@ static void set_multicast_list(struct net_device *dev)
|
|
|
|
|
|
static int el3_close(struct net_device *dev)
|
|
|
{
|
|
|
- struct el3_private *lp = netdev_priv(dev);
|
|
|
- struct pcmcia_device *link = lp->p_dev;
|
|
|
- unsigned int ioaddr = dev->base_addr;
|
|
|
-
|
|
|
- dev_dbg(&link->dev, "%s: shutting down ethercard.\n", dev->name);
|
|
|
+ struct el3_private *lp = netdev_priv(dev);
|
|
|
+ struct pcmcia_device *link = lp->p_dev;
|
|
|
+ unsigned int ioaddr = dev->base_addr;
|
|
|
+
|
|
|
+ dev_dbg(&link->dev, "%s: shutting down ethercard.\n", dev->name);
|
|
|
+
|
|
|
+ if (pcmcia_dev_present(link)) {
|
|
|
+ /* Turn off statistics ASAP. We update dev->stats below. */
|
|
|
+ outw(StatsDisable, ioaddr + EL3_CMD);
|
|
|
+
|
|
|
+ /* Disable the receiver and transmitter. */
|
|
|
+ outw(RxDisable, ioaddr + EL3_CMD);
|
|
|
+ outw(TxDisable, ioaddr + EL3_CMD);
|
|
|
+
|
|
|
+ if (dev->if_port == 2)
|
|
|
+ /* Turn off thinnet power. Green! */
|
|
|
+ outw(StopCoax, ioaddr + EL3_CMD);
|
|
|
+ else if (dev->if_port == 1) {
|
|
|
+ /* Disable link beat and jabber */
|
|
|
+ EL3WINDOW(4);
|
|
|
+ outw(0, ioaddr + WN4_MEDIA);
|
|
|
+ }
|
|
|
|
|
|
- if (pcmcia_dev_present(link)) {
|
|
|
- /* Turn off statistics ASAP. We update dev->stats below. */
|
|
|
- outw(StatsDisable, ioaddr + EL3_CMD);
|
|
|
+ /* Switching back to window 0 disables the IRQ. */
|
|
|
+ EL3WINDOW(0);
|
|
|
+ /* But we explicitly zero the IRQ line select anyway. */
|
|
|
+ outw(0x0f00, ioaddr + WN0_IRQ);
|
|
|
|
|
|
- /* Disable the receiver and transmitter. */
|
|
|
- outw(RxDisable, ioaddr + EL3_CMD);
|
|
|
- outw(TxDisable, ioaddr + EL3_CMD);
|
|
|
-
|
|
|
- if (dev->if_port == 2)
|
|
|
- /* Turn off thinnet power. Green! */
|
|
|
- outw(StopCoax, ioaddr + EL3_CMD);
|
|
|
- else if (dev->if_port == 1) {
|
|
|
- /* Disable link beat and jabber */
|
|
|
- EL3WINDOW(4);
|
|
|
- outw(0, ioaddr + WN4_MEDIA);
|
|
|
+ /* Check if the card still exists */
|
|
|
+ if ((inw(ioaddr+EL3_STATUS) & 0xe000) == 0x2000)
|
|
|
+ update_stats(dev);
|
|
|
}
|
|
|
|
|
|
- /* Switching back to window 0 disables the IRQ. */
|
|
|
- EL3WINDOW(0);
|
|
|
- /* But we explicitly zero the IRQ line select anyway. */
|
|
|
- outw(0x0f00, ioaddr + WN0_IRQ);
|
|
|
-
|
|
|
- /* Check if the card still exists */
|
|
|
- if ((inw(ioaddr+EL3_STATUS) & 0xe000) == 0x2000)
|
|
|
- update_stats(dev);
|
|
|
- }
|
|
|
-
|
|
|
- link->open--;
|
|
|
- netif_stop_queue(dev);
|
|
|
- del_timer_sync(&lp->media);
|
|
|
+ link->open--;
|
|
|
+ netif_stop_queue(dev);
|
|
|
+ del_timer_sync(&lp->media);
|
|
|
|
|
|
- return 0;
|
|
|
+ return 0;
|
|
|
}
|
|
|
|
|
|
static const struct pcmcia_device_id tc589_ids[] = {
|