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pasemi_mac: Netpoll support

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Add netpoll support to allow use of netconsole.

Signed-off-by: Nate Case <ncase@xes-inc.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
Acked-by: Jeff Garzik <jgarzik@pobox.com>
This commit is contained in:
Nate Case 2008-03-21 17:02:42 -05:00 committed by Olof Johansson
parent 1724ac2ef1
commit 6e62040c55
1 changed files with 23 additions and 0 deletions
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23
drivers/net/pasemi_mac.c
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@ -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;