Messages in this thread Patch in this message | | | From | Yinghai Lu <> | Subject | [PATCH] net: forcedeth call restore mac addr in nv_shutdown path -v2 | Date | Sat, 16 Aug 2008 20:34:59 -0700 |
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after
| commit f735a2a1a4f2a0f5cd823ce323e82675990469e2 | Author: Tobias Diedrich <ranma+kernel@tdiedrich.de> | Date: Sun May 18 15:02:37 2008 +0200 | | [netdrvr] forcedeth: setup wake-on-lan before shutting down | | When hibernating in 'shutdown' mode, after saving the image the suspend hook | is not called again. | However, if the device is in promiscous mode, wake-on-lan will not work. | This adds a shutdown hook to setup wake-on-lan before the final shutdown. | | Signed-off-by: Tobias Diedrich <ranma+kernel@tdiedrich.de> | Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
my servers with nvidia ck804 and mcp55 will reverse mac address with kexec.
it turns out need to restore mac addr in nv_shutdown.
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
--- drivers/net/forcedeth.c | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-)
Index: linux-2.6/drivers/net/forcedeth.c =================================================================== --- linux-2.6.orig/drivers/net/forcedeth.c +++ linux-2.6/drivers/net/forcedeth.c @@ -5643,6 +5643,7 @@ static int __devinit nv_probe(struct pci dev->dev_addr[4] = (np->orig_mac[0] >> 8) & 0xff; dev->dev_addr[5] = (np->orig_mac[0] >> 0) & 0xff; writel(txreg|NVREG_TRANSMITPOLL_MAC_ADDR_REV, base + NvRegTransmitPoll); + printk(KERN_DEBUG "nv_probe: set workarund bit for reversed mac addr\n"); } memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); @@ -5890,14 +5891,12 @@ static void nv_restore_phy(struct net_de } } -static void __devexit nv_remove(struct pci_dev *pci_dev) +static void nv_restore_mac_addr(struct pci_dev *pci_dev) { struct net_device *dev = pci_get_drvdata(pci_dev); struct fe_priv *np = netdev_priv(dev); u8 __iomem *base = get_hwbase(dev); - unregister_netdev(dev); - /* special op: write back the misordered MAC address - otherwise * the next nv_probe would see a wrong address. */ @@ -5905,6 +5904,15 @@ static void __devexit nv_remove(struct p writel(np->orig_mac[1], base + NvRegMacAddrB); writel(readl(base + NvRegTransmitPoll) & ~NVREG_TRANSMITPOLL_MAC_ADDR_REV, base + NvRegTransmitPoll); +} + +static void __devexit nv_remove(struct pci_dev *pci_dev) +{ + struct net_device *dev = pci_get_drvdata(pci_dev); + + unregister_netdev(dev); + + nv_restore_mac_addr(pci_dev); /* restore any phy related changes */ nv_restore_phy(dev); @@ -5975,6 +5983,8 @@ static void nv_shutdown(struct pci_dev * if (netif_running(dev)) nv_close(dev); + nv_restore_mac_addr(pdev); + pci_enable_wake(pdev, PCI_D3hot, np->wolenabled); pci_enable_wake(pdev, PCI_D3cold, np->wolenabled); pci_disable_device(pdev);
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