/*******************************************************************************
-
- Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
+ Intel PRO/100 Linux driver
+ Copyright(c) 1999 - 2006 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published by the Free
- Software Foundation; either version 2 of the License, or (at your option)
- any later version.
+ under the terms and conditions of the GNU General Public License,
+ version 2, as published by the Free Software Foundation.
- This program is distributed in the hope that it will be useful, but WITHOUT
+ This program is distributed in the hope it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
more details.
You should have received a copy of the GNU General Public License along with
- this program; if not, write to the Free Software Foundation, Inc., 59
- Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ this program; if not, write to the Free Software Foundation, Inc.,
+ 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- The full GNU General Public License is included in this distribution in the
- file called LICENSE.
+ The full GNU General Public License is included in this distribution in
+ the file called "COPYING".
Contact Information:
Linux NICS <linux.nics@intel.com>
+ e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*******************************************************************************/
* - Stratus87247: protect MDI control register manipulations
*/
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/kernel.h>
#define DRV_NAME "e100"
-#define DRV_EXT "-NAPI"
-#define DRV_VERSION "3.5.10-k2"DRV_EXT
+#define DRV_EXT "-NAPI"
+#define DRV_VERSION "3.5.17-k2"DRV_EXT
#define DRV_DESCRIPTION "Intel(R) PRO/100 Network Driver"
-#define DRV_COPYRIGHT "Copyright(c) 1999-2005 Intel Corporation"
+#define DRV_COPYRIGHT "Copyright(c) 1999-2006 Intel Corporation"
#define PFX DRV_NAME ": "
#define E100_WATCHDOG_PERIOD (2 * HZ)
MODULE_VERSION(DRV_VERSION);
static int debug = 3;
+static int eeprom_bad_csum_allow = 0;
module_param(debug, int, 0);
+module_param(eeprom_bad_csum_allow, int, 0);
MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
+MODULE_PARM_DESC(eeprom_bad_csum_allow, "Allow bad eeprom checksums");
#define DPRINTK(nlevel, klevel, fmt, args...) \
(void)((NETIF_MSG_##nlevel & nic->msg_enable) && \
printk(KERN_##klevel PFX "%s: %s: " fmt, nic->netdev->name, \
spin_lock_irqsave(&nic->cmd_lock, flags);
writeb(irq_mask_none, &nic->csr->scb.cmd_hi);
- spin_unlock_irqrestore(&nic->cmd_lock, flags);
e100_write_flush(nic);
+ spin_unlock_irqrestore(&nic->cmd_lock, flags);
}
static void e100_disable_irq(struct nic *nic)
spin_lock_irqsave(&nic->cmd_lock, flags);
writeb(irq_mask_all, &nic->csr->scb.cmd_hi);
- spin_unlock_irqrestore(&nic->cmd_lock, flags);
e100_write_flush(nic);
+ spin_unlock_irqrestore(&nic->cmd_lock, flags);
}
static void e100_hw_reset(struct nic *nic)
checksum = le16_to_cpu(0xBABA - checksum);
if(checksum != nic->eeprom[nic->eeprom_wc - 1]) {
DPRINTK(PROBE, ERR, "EEPROM corrupted\n");
- return -EAGAIN;
+ if (!eeprom_bad_csum_allow)
+ return -EAGAIN;
}
return 0;
* the literal in the instruction before the code is loaded, the
* driver can change the algorithm.
*
-* INTDELAY - This loads the dead-man timer with its inital value.
+* INTDELAY - This loads the dead-man timer with its initial value.
* When this timer expires the interrupt is asserted, and the
* timer is reset each time a new packet is received. (see
* BUNDLEMAX below to set the limit on number of chained packets)
}
if((nic->mac >= mac_82550_D102) || ((nic->flags & ich) &&
- (mdio_read(netdev, nic->mii.phy_id, MII_TPISTATUS) & 0x8000))) {
- /* enable/disable MDI/MDI-X auto-switching.
- MDI/MDI-X auto-switching is disabled for 82551ER/QM chips */
- if((nic->mac == mac_82551_E) || (nic->mac == mac_82551_F) ||
- (nic->mac == mac_82551_10) || (nic->mii.force_media) ||
- !(nic->eeprom[eeprom_cnfg_mdix] & eeprom_mdix_enabled))
- mdio_write(netdev, nic->mii.phy_id, MII_NCONFIG, 0);
- else
- mdio_write(netdev, nic->mii.phy_id, MII_NCONFIG, NCONFIG_AUTO_SWITCH);
+ (mdio_read(netdev, nic->mii.phy_id, MII_TPISTATUS) & 0x8000) &&
+ !(nic->eeprom[eeprom_cnfg_mdix] & eeprom_mdix_enabled))) {
+ /* enable/disable MDI/MDI-X auto-switching. */
+ mdio_write(netdev, nic->mii.phy_id, MII_NCONFIG,
+ nic->mii.force_media ? 0 : NCONFIG_AUTO_SWITCH);
}
return 0;
* interrupt mask bit and the SW Interrupt generation bit */
spin_lock_irq(&nic->cmd_lock);
writeb(readb(&nic->csr->scb.cmd_hi) | irq_sw_gen,&nic->csr->scb.cmd_hi);
- spin_unlock_irq(&nic->cmd_lock);
e100_write_flush(nic);
+ spin_unlock_irq(&nic->cmd_lock);
e100_update_stats(nic);
e100_adjust_adaptive_ifs(nic, cmd.speed, cmd.duplex);
spin_lock(&nic->cb_lock);
- DPRINTK(TX_DONE, DEBUG, "cb->status = 0x%04X\n",
- nic->cb_to_clean->status);
-
/* Clean CBs marked complete */
for(cb = nic->cb_to_clean;
cb->status & cpu_to_le16(cb_complete);
cb = nic->cb_to_clean = cb->next) {
+ DPRINTK(TX_DONE, DEBUG, "cb[%d]->status = 0x%04X\n",
+ (int)(((void*)cb - (void*)nic->cbs)/sizeof(struct cb)),
+ cb->status);
+
if(likely(cb->skb != NULL)) {
nic->net_stats.tx_packets++;
nic->net_stats.tx_bytes += cb->skb->len;
#define RFD_BUF_LEN (sizeof(struct rfd) + VLAN_ETH_FRAME_LEN)
static int e100_rx_alloc_skb(struct nic *nic, struct rx *rx)
{
- if(!(rx->skb = dev_alloc_skb(RFD_BUF_LEN + NET_IP_ALIGN)))
+ if(!(rx->skb = netdev_alloc_skb(nic->netdev, RFD_BUF_LEN + NET_IP_ALIGN)))
return -ENOMEM;
/* Align, init, and map the RFD. */
- rx->skb->dev = nic->netdev;
skb_reserve(rx->skb, NET_IP_ALIGN);
memcpy(rx->skb->data, &nic->blank_rfd, sizeof(struct rfd));
rx->dma_addr = pci_map_single(nic->pdev, rx->skb->data,
nic->rx_to_use = nic->rx_to_clean = NULL;
nic->ru_running = RU_UNINITIALIZED;
- if(!(nic->rxs = kmalloc(sizeof(struct rx) * count, GFP_ATOMIC)))
+ if(!(nic->rxs = kcalloc(count, sizeof(struct rx), GFP_ATOMIC)))
return -ENOMEM;
- memset(nic->rxs, 0, sizeof(struct rx) * count);
for(rx = nic->rxs, i = 0; i < count; rx++, i++) {
rx->next = (i + 1 < count) ? rx + 1 : nic->rxs;
return 0;
}
-static irqreturn_t e100_intr(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t e100_intr(int irq, void *dev_id)
{
struct net_device *netdev = dev_id;
struct nic *nic = netdev_priv(netdev);
struct nic *nic = netdev_priv(netdev);
e100_disable_irq(nic);
- e100_intr(nic->pdev->irq, netdev, NULL);
+ e100_intr(nic->pdev->irq, netdev);
e100_tx_clean(nic);
e100_enable_irq(nic);
}
return 0;
}
-#ifdef CONFIG_PM
static int e100_asf(struct nic *nic)
{
/* ASF can be enabled from eeprom */
!(nic->eeprom[eeprom_config_asf] & eeprom_gcl) &&
((nic->eeprom[eeprom_smbus_addr] & 0xFF) != 0xFE));
}
-#endif
static int e100_up(struct nic *nic)
{
e100_set_multicast_list(nic->netdev);
e100_start_receiver(nic, NULL);
mod_timer(&nic->watchdog, jiffies);
- if((err = request_irq(nic->pdev->irq, e100_intr, SA_SHIRQ,
+ if((err = request_irq(nic->pdev->irq, e100_intr, IRQF_SHARED,
nic->netdev->name, nic->netdev)))
goto err_no_irq;
netif_wake_queue(nic->netdev);
schedule_work(&nic->tx_timeout_task);
}
-static void e100_tx_timeout_task(struct net_device *netdev)
+static void e100_tx_timeout_task(struct work_struct *work)
{
- struct nic *nic = netdev_priv(netdev);
+ struct nic *nic = container_of(work, struct nic, tx_timeout_task);
+ struct net_device *netdev = nic->netdev;
DPRINTK(TX_ERR, DEBUG, "scb.status=0x%02X\n",
readb(&nic->csr->scb.status));
e100_start_receiver(nic, NULL);
- if(!(skb = dev_alloc_skb(ETH_DATA_LEN))) {
+ if(!(skb = netdev_alloc_skb(nic->netdev, ETH_DATA_LEN))) {
err = -ENOMEM;
goto err_loopback_none;
}
}
}
-static struct ethtool_ops e100_ethtool_ops = {
+static const struct ethtool_ops e100_ethtool_ops = {
.get_settings = e100_get_settings,
.set_settings = e100_set_settings,
.get_drvinfo = e100_get_drvinfo,
#ifdef CONFIG_NET_POLL_CONTROLLER
netdev->poll_controller = e100_netpoll;
#endif
- strcpy(netdev->name, pci_name(pdev));
+ strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
nic = netdev_priv(netdev);
nic->netdev = netdev;
nic->blink_timer.function = e100_blink_led;
nic->blink_timer.data = (unsigned long)nic;
- INIT_WORK(&nic->tx_timeout_task,
- (void (*)(void *))e100_tx_timeout_task, netdev);
+ INIT_WORK(&nic->tx_timeout_task, e100_tx_timeout_task);
if((err = e100_alloc(nic))) {
DPRINTK(PROBE, ERR, "Cannot alloc driver memory, aborting.\n");
goto err_out_free;
}
- DPRINTK(PROBE, INFO, "addr 0x%lx, irq %d, "
+ DPRINTK(PROBE, INFO, "addr 0x%llx, irq %d, "
"MAC addr %02X:%02X:%02X:%02X:%02X:%02X\n",
- pci_resource_start(pdev, 0), pdev->irq,
+ (unsigned long long)pci_resource_start(pdev, 0), pdev->irq,
netdev->dev_addr[0], netdev->dev_addr[1], netdev->dev_addr[2],
netdev->dev_addr[3], netdev->dev_addr[4], netdev->dev_addr[5]);
{
struct net_device *netdev = pci_get_drvdata(pdev);
struct nic *nic = netdev_priv(netdev);
- int retval;
- if(netif_running(netdev))
- e100_down(nic);
- e100_hw_reset(nic);
+ if (netif_running(netdev))
+ netif_poll_disable(nic->netdev);
+ del_timer_sync(&nic->watchdog);
+ netif_carrier_off(nic->netdev);
netif_device_detach(netdev);
pci_save_state(pdev);
- retval = pci_enable_wake(pdev, pci_choose_state(pdev, state),
- nic->flags & (wol_magic | e100_asf(nic)));
- if (retval)
- DPRINTK(PROBE,ERR, "Error enabling wake\n");
+
+ if ((nic->flags & wol_magic) | e100_asf(nic)) {
+ pci_enable_wake(pdev, PCI_D3hot, 1);
+ pci_enable_wake(pdev, PCI_D3cold, 1);
+ } else {
+ pci_enable_wake(pdev, PCI_D3hot, 0);
+ pci_enable_wake(pdev, PCI_D3cold, 0);
+ }
+
pci_disable_device(pdev);
- retval = pci_set_power_state(pdev, pci_choose_state(pdev, state));
- if (retval)
- DPRINTK(PROBE,ERR, "Error %d setting power state\n", retval);
+ free_irq(pdev->irq, netdev);
+ pci_set_power_state(pdev, PCI_D3hot);
return 0;
}
{
struct net_device *netdev = pci_get_drvdata(pdev);
struct nic *nic = netdev_priv(netdev);
- int retval;
- retval = pci_set_power_state(pdev, PCI_D0);
- if (retval)
- DPRINTK(PROBE,ERR, "Error waking adapter\n");
+ pci_set_power_state(pdev, PCI_D0);
pci_restore_state(pdev);
/* ack any pending wake events, disable PME */
- retval = pci_enable_wake(pdev, 0, 0);
- if (retval)
- DPRINTK(PROBE,ERR, "Error clearing wake events\n");
+ pci_enable_wake(pdev, 0, 0);
netif_device_attach(netdev);
- if(netif_running(netdev))
+ if (netif_running(netdev))
e100_up(nic);
return 0;
}
-#endif
-
+#endif /* CONFIG_PM */
static void e100_shutdown(struct pci_dev *pdev)
{
struct net_device *netdev = pci_get_drvdata(pdev);
struct nic *nic = netdev_priv(netdev);
- int retval;
-#ifdef CONFIG_PM
- retval = pci_enable_wake(pdev, 0, nic->flags & (wol_magic | e100_asf(nic)));
-#else
- retval = pci_enable_wake(pdev, 0, nic->flags & (wol_magic));
-#endif
- if (retval)
- DPRINTK(PROBE,ERR, "Error enabling wake\n");
+ if (netif_running(netdev))
+ netif_poll_disable(nic->netdev);
+ del_timer_sync(&nic->watchdog);
+ netif_carrier_off(nic->netdev);
+
+ if ((nic->flags & wol_magic) | e100_asf(nic)) {
+ pci_enable_wake(pdev, PCI_D3hot, 1);
+ pci_enable_wake(pdev, PCI_D3cold, 1);
+ } else {
+ pci_enable_wake(pdev, PCI_D3hot, 0);
+ pci_enable_wake(pdev, PCI_D3cold, 0);
+ }
+
+ pci_disable_device(pdev);
+ pci_set_power_state(pdev, PCI_D3hot);
}
+/* ------------------ PCI Error Recovery infrastructure -------------- */
+/**
+ * e100_io_error_detected - called when PCI error is detected.
+ * @pdev: Pointer to PCI device
+ * @state: The current pci conneection state
+ */
+static pci_ers_result_t e100_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
+{
+ struct net_device *netdev = pci_get_drvdata(pdev);
+
+ /* Similar to calling e100_down(), but avoids adpater I/O. */
+ netdev->stop(netdev);
+
+ /* Detach; put netif into state similar to hotplug unplug. */
+ netif_poll_enable(netdev);
+ netif_device_detach(netdev);
+ pci_disable_device(pdev);
+
+ /* Request a slot reset. */
+ return PCI_ERS_RESULT_NEED_RESET;
+}
+
+/**
+ * e100_io_slot_reset - called after the pci bus has been reset.
+ * @pdev: Pointer to PCI device
+ *
+ * Restart the card from scratch.
+ */
+static pci_ers_result_t e100_io_slot_reset(struct pci_dev *pdev)
+{
+ struct net_device *netdev = pci_get_drvdata(pdev);
+ struct nic *nic = netdev_priv(netdev);
+
+ if (pci_enable_device(pdev)) {
+ printk(KERN_ERR "e100: Cannot re-enable PCI device after reset.\n");
+ return PCI_ERS_RESULT_DISCONNECT;
+ }
+ pci_set_master(pdev);
+
+ /* Only one device per card can do a reset */
+ if (0 != PCI_FUNC(pdev->devfn))
+ return PCI_ERS_RESULT_RECOVERED;
+ e100_hw_reset(nic);
+ e100_phy_init(nic);
+
+ return PCI_ERS_RESULT_RECOVERED;
+}
+
+/**
+ * e100_io_resume - resume normal operations
+ * @pdev: Pointer to PCI device
+ *
+ * Resume normal operations after an error recovery
+ * sequence has been completed.
+ */
+static void e100_io_resume(struct pci_dev *pdev)
+{
+ struct net_device *netdev = pci_get_drvdata(pdev);
+ struct nic *nic = netdev_priv(netdev);
+
+ /* ack any pending wake events, disable PME */
+ pci_enable_wake(pdev, 0, 0);
+
+ netif_device_attach(netdev);
+ if (netif_running(netdev)) {
+ e100_open(netdev);
+ mod_timer(&nic->watchdog, jiffies);
+ }
+}
+
+static struct pci_error_handlers e100_err_handler = {
+ .error_detected = e100_io_error_detected,
+ .slot_reset = e100_io_slot_reset,
+ .resume = e100_io_resume,
+};
static struct pci_driver e100_driver = {
.name = DRV_NAME,
.probe = e100_probe,
.remove = __devexit_p(e100_remove),
#ifdef CONFIG_PM
+ /* Power Management hooks */
.suspend = e100_suspend,
.resume = e100_resume,
#endif
.shutdown = e100_shutdown,
+ .err_handler = &e100_err_handler,
};
static int __init e100_init_module(void)
printk(KERN_INFO PFX "%s, %s\n", DRV_DESCRIPTION, DRV_VERSION);
printk(KERN_INFO PFX "%s\n", DRV_COPYRIGHT);
}
- return pci_module_init(&e100_driver);
+ return pci_register_driver(&e100_driver);
}
static void __exit e100_cleanup_module(void)
git://git.onelab.eu / linux-2.6.git / blobdiff