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SubjectRe: WOL failure after shutdown
On Sun, 11 Feb 2001, James Brents wrote:

> Sorry, I wrote that in a hurry. Its a 3Com PCI 3c905C Tornado. I can
> successfully use wakeonlan if I power off the machine immeadiatly after
> turning it on. Using the shutdown command, which it will when I need it
> to power back up, it will not work.
> Im using a wakeonlan cable to my motherboard as well, not using wake
> through PCI bus.
> Kernel is 2.4.1
> I appologize for not providing all required the specs in the original
> message.

Try this patch. It is against the zero-copy version of the driver, but
I'm sure you can apply it, at least manually, to any 2.4 version.

Andrew, when can we expect to have WOL working in 2.4?

/Tobias


--- linux-2.4.1-zc1.orig/drivers/net/3c59x.c Tue Jan 30 22:16:01 2001
+++ linux-2.4.1-zc1/drivers/net/3c59x.c Wed Jan 31 08:46:00 2001
@@ -754,6 +754,7 @@
static void set_rx_mode(struct net_device *dev);
static int vortex_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
static void vortex_tx_timeout(struct net_device *dev);
+static void acpi_wake(struct pci_dev *pdev);
static void acpi_set_WOL(struct net_device *dev);

/* This driver uses 'options' to pass the media type, full-duplex flag, etc. */
@@ -1426,6 +1427,8 @@
int i;
int retval;

+ acpi_wake(vp->pdev);
+
/* Use the now-standard shared IRQ implementation. */
if ((retval = request_irq(dev->irq, vp->full_bus_master_rx ?
&boomerang_interrupt : &vortex_interrupt, SA_SHIRQ, dev->name, dev))) {
@@ -2647,12 +2650,6 @@
struct vortex_private *vp = (struct vortex_private *)dev->priv;
long ioaddr = dev->base_addr;

- /* AKPM: This kills the 905 */
- if (vortex_debug > 1) {
- printk(KERN_INFO PFX "Wake-on-LAN functions disabled\n");
- }
- return;
-
/* Power up on: 1==Downloaded Filter, 2==Magic Packets, 4==Link Status. */
EL3WINDOW(7);
outw(2, ioaddr + 0x0c);
@@ -2663,6 +2660,34 @@
pci_write_config_word(vp->pdev, 0xe0, 0x8103);
}

+/* Change from D3 (sleep) to D0 (active).
+ Problem: The Cyclone forgets all PCI config info during the transition! */
+static void acpi_wake(struct pci_dev *pdev)
+{
+ u32 base0, base1, romaddr;
+ u16 pci_command, pwr_command;
+ u8 pci_latency, pci_cacheline, irq;
+
+ pci_read_config_word(pdev, 0xe0, &pwr_command);
+ if ((pwr_command & 3) == 0)
+ return;
+ pci_read_config_word( pdev, PCI_COMMAND, &pci_command);
+ pci_read_config_dword(pdev, PCI_BASE_ADDRESS_0, &base0);
+ pci_read_config_dword(pdev, PCI_BASE_ADDRESS_1, &base1);
+ pci_read_config_dword(pdev, PCI_ROM_ADDRESS, &romaddr);
+ pci_read_config_byte( pdev, PCI_LATENCY_TIMER, &pci_latency);
+ pci_read_config_byte( pdev, PCI_CACHE_LINE_SIZE, &pci_cacheline);
+ pci_read_config_byte( pdev, PCI_INTERRUPT_LINE, &irq);
+
+ pci_write_config_word( pdev, 0xe0, 0x0000);
+ pci_write_config_dword(pdev, PCI_BASE_ADDRESS_0, base0);
+ pci_write_config_dword(pdev, PCI_BASE_ADDRESS_1, base1);
+ pci_write_config_dword(pdev, PCI_ROM_ADDRESS, romaddr);
+ pci_write_config_byte( pdev, PCI_INTERRUPT_LINE, irq);
+ pci_write_config_byte( pdev, PCI_LATENCY_TIMER, pci_latency);
+ pci_write_config_byte( pdev, PCI_CACHE_LINE_SIZE, pci_cacheline);
+ pci_write_config_word( pdev, PCI_COMMAND, pci_command | 5);
+}

static void __devexit vortex_remove_one (struct pci_dev *pdev)
{
-
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