Commit 6e62040c authored by Nate Case's avatar Nate Case Committed by Olof Johansson
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pasemi_mac: Netpoll support



Add netpoll support to allow use of netconsole.

Signed-off-by: default avatarNate Case <ncase@xes-inc.com>
Signed-off-by: default avatarOlof Johansson <olof@lixom.net>
Acked-by: default avatarJeff Garzik <jgarzik@pobox.com>
parent 1724ac2e
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+23 −0
Original line number Diff line number Diff line
@@ -1648,6 +1648,26 @@ static int pasemi_mac_poll(struct napi_struct *napi, int budget)
	return pkts;
}

#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 pasemi_mac_netpoll(struct net_device *dev)
{
	const struct pasemi_mac *mac = netdev_priv(dev);

	disable_irq(mac->tx->chan.irq);
	pasemi_mac_tx_intr(mac->tx->chan.irq, mac->tx);
	enable_irq(mac->tx->chan.irq);

	disable_irq(mac->rx->chan.irq);
	pasemi_mac_rx_intr(mac->rx->chan.irq, mac->rx);
	enable_irq(mac->rx->chan.irq);
}
#endif

static int pasemi_mac_change_mtu(struct net_device *dev, int new_mtu)
{
	struct pasemi_mac *mac = netdev_priv(dev);
@@ -1807,6 +1827,9 @@ pasemi_mac_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
	dev->mtu = PE_DEF_MTU;
	/* 1500 MTU + ETH_HLEN + VLAN_HLEN + 2 64B cachelines */
	mac->bufsz = dev->mtu + ETH_HLEN + ETH_FCS_LEN + LOCAL_SKB_ALIGN + 128;
#ifdef CONFIG_NET_POLL_CONTROLLER
	dev->poll_controller = pasemi_mac_netpoll;
#endif

	dev->change_mtu = pasemi_mac_change_mtu;
	dev->ethtool_ops = &pasemi_mac_ethtool_ops;