[PATCH] r8169: netconsole support

netconsole support.
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/r8169.c

@@ -1090,6 +1090,23 @@ static inline void rtl8169_request_timer(struct net_device *dev)
 	add_timer(timer);
 }
 
+#ifdef CONFIG_NET_POLL_CONTROLLER
+/*
+ * Polling 'interrupt' - used by things like netconsole to send skbs
+ * without having to re-enable interrupts. It's not called while
+ * the interrupt routine is executing.
+ */
+static void rtl8169_netpoll(struct net_device *dev)
+{
+	struct rtl8169_private *tp = netdev_priv(dev);
+	struct pci_dev *pdev = tp->pci_dev;
+
+	disable_irq(pdev->irq);
+	rtl8169_interrupt(pdev->irq, dev, NULL);
+	enable_irq(pdev->irq);
+}
+#endif
+
 static void rtl8169_release_board(struct pci_dev *pdev, struct net_device *dev,
 				  void __iomem *ioaddr)
 {
@@ -1316,6 +1333,10 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	dev->vlan_rx_kill_vid = rtl8169_vlan_rx_kill_vid;
 #endif
 
+#ifdef CONFIG_NET_POLL_CONTROLLER
+	dev->poll_controller = rtl8169_netpoll;
+#endif
+
 	tp->intr_mask = 0xffff;
 	tp->pci_dev = pdev;
 	tp->mmio_addr = ioaddr;