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um: add netpoll support

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To make netconsole usable on UML, its ethernet driver needs netpoll
support.

Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Richard Weinberger 2011-07-25 17:12:48 -07:00 committed by Linus Torvalds
parent f956b3e40a
commit dd71dc4c33
1 changed files with 12 additions and 0 deletions
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12
arch/um/drivers/net_kern.c
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@ -262,6 +262,15 @@ static int uml_net_change_mtu(struct net_device *dev, int new_mtu)
return 0;
}
#ifdef CONFIG_NET_POLL_CONTROLLER
static void uml_net_poll_controller(struct net_device *dev)
{
disable_irq(dev->irq);
uml_net_interrupt(dev->irq, dev);
enable_irq(dev->irq);
}
#endif
static void uml_net_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *info)
{
@ -364,6 +373,9 @@ static const struct net_device_ops uml_netdev_ops = {
.ndo_set_mac_address = eth_mac_addr,
.ndo_change_mtu = uml_net_change_mtu,
.ndo_validate_addr = eth_validate_addr,
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = uml_net_poll_controller,
#endif
};
/*