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authorSteffen Klassert <klassert@mathematik.tu-chemnitz.de>2005-05-12 23:34:31 (GMT)
committerJeff Garzik <jgarzik@pobox.com>2005-05-12 23:34:31 (GMT)
commit7502cd1058152791fec94f32b719fec45e7f5de2 (patch)
tree7ccc018d8125fde70ed7fe5a880f50d16b3828eb /drivers/net/8139cp.c
parente21ba28262037f5fe7ca8746502c7c03c3da817f (diff)
downloadlinux-7502cd1058152791fec94f32b719fec45e7f5de2.tar.xz
[PATCH] 8139cp - add netpoll support
Patch adds netpoll support to the 8139cp driver. The patch needs some tests because I have no NIC of this type for testing. Applies against linux-2.6.9-rc2-mm3 Signed-off-by: Steffen Klassert <klassert@mathematik.tu-chemnitz.de>
Diffstat (limited to 'drivers/net/8139cp.c')
-rw-r--r--drivers/net/8139cp.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/net/8139cp.c b/drivers/net/8139cp.c
index 18946a5..050d760 100644
--- a/drivers/net/8139cp.c
+++ b/drivers/net/8139cp.c
@@ -398,6 +398,9 @@ struct cp_private {
static void __cp_set_rx_mode (struct net_device *dev);
static void cp_tx (struct cp_private *cp);
static void cp_clean_rings (struct cp_private *cp);
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void cp_poll_controller(struct net_device *dev);
+#endif
static struct pci_device_id cp_pci_tbl[] = {
{ PCI_VENDOR_ID_REALTEK, PCI_DEVICE_ID_REALTEK_8139,
@@ -692,6 +695,19 @@ cp_interrupt (int irq, void *dev_instance, struct pt_regs *regs)
return IRQ_HANDLED;
}
+#ifdef CONFIG_NET_POLL_CONTROLLER
+/*
+ * Polling receive - used by netconsole and other diagnostic tools
+ * to allow network i/o with interrupts disabled.
+ */
+static void cp_poll_controller(struct net_device *dev)
+{
+ disable_irq(dev->irq);
+ cp_interrupt(dev->irq, dev, NULL);
+ enable_irq(dev->irq);
+}
+#endif
+
static void cp_tx (struct cp_private *cp)
{
unsigned tx_head = cp->tx_head;
@@ -1763,6 +1779,9 @@ static int cp_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
dev->get_stats = cp_get_stats;
dev->do_ioctl = cp_ioctl;
dev->poll = cp_rx_poll;
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ dev->poll_controller = cp_poll_controller;
+#endif
dev->weight = 16; /* arbitrary? from NAPI_HOWTO.txt. */
#ifdef BROKEN
dev->change_mtu = cp_change_mtu;