[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>
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@ -398,6 +398,9 @@ struct cp_private {
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static void __cp_set_rx_mode (struct net_device *dev);
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static void cp_tx (struct cp_private *cp);
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static void cp_clean_rings (struct cp_private *cp);
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#ifdef CONFIG_NET_POLL_CONTROLLER
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static void cp_poll_controller(struct net_device *dev);
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#endif
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static struct pci_device_id cp_pci_tbl[] = {
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{ PCI_VENDOR_ID_REALTEK, PCI_DEVICE_ID_REALTEK_8139,
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@ -692,6 +695,19 @@ cp_interrupt (int irq, void *dev_instance, struct pt_regs *regs)
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return IRQ_HANDLED;
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}
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#ifdef CONFIG_NET_POLL_CONTROLLER
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/*
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* Polling receive - used by netconsole and other diagnostic tools
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* to allow network i/o with interrupts disabled.
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*/
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static void cp_poll_controller(struct net_device *dev)
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{
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disable_irq(dev->irq);
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cp_interrupt(dev->irq, dev, NULL);
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enable_irq(dev->irq);
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}
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#endif
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static void cp_tx (struct cp_private *cp)
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{
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unsigned tx_head = cp->tx_head;
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@ -1763,6 +1779,9 @@ static int cp_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
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dev->get_stats = cp_get_stats;
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dev->do_ioctl = cp_ioctl;
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dev->poll = cp_rx_poll;
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#ifdef CONFIG_NET_POLL_CONTROLLER
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dev->poll_controller = cp_poll_controller;
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#endif
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dev->weight = 16; /* arbitrary? from NAPI_HOWTO.txt. */
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#ifdef BROKEN
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dev->change_mtu = cp_change_mtu;
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