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path: root/drivers/net/macb.c
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Diffstat (limited to 'drivers/net/macb.c')
-rw-r--r--drivers/net/macb.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/net/macb.c b/drivers/net/macb.c
index e82aee41d77e..722265920da8 100644
--- a/drivers/net/macb.c
+++ b/drivers/net/macb.c
@@ -599,6 +599,21 @@ static irqreturn_t macb_interrupt(int irq, void *dev_id)
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 macb_poll_controller(struct net_device *dev)
+{
+ unsigned long flags;
+
+ local_irq_save(flags);
+ macb_interrupt(dev->irq, dev);
+ local_irq_restore(flags);
+}
+#endif
+
static int macb_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct macb *bp = netdev_priv(dev);
@@ -1094,6 +1109,9 @@ static const struct net_device_ops macb_netdev_ops = {
.ndo_validate_addr = eth_validate_addr,
.ndo_change_mtu = eth_change_mtu,
.ndo_set_mac_address = eth_mac_addr,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ .ndo_poll_controller = macb_poll_controller,
+#endif
};
static int __init macb_probe(struct platform_device *pdev)