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poll controller support
ixp400_eth.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
--- ixp400-eth/ixp400_eth.c 1970-01-01 00:00:00.000000000 +0000
+++ ixp400-eth/ixp400_eth.c 1970-01-01 00:00:00.000000000 +0000
@@ -348,6 +348,12 @@ static int dev_pmu_timer_init(void);
extern void
ixEthTxFrameDoneQMCallback(IxQMgrQId qId, IxQMgrCallbackId callbackId);
+#ifdef CONFIG_NET_POLL_CONTROLLER
+/* poll controller (needed for netconsole et al) */
+static void
+ixp425eth_poll_controller(struct net_device *dev);
+#endif
+
/* Private device data */
typedef struct {
spinlock_t lock; /* multicast management lock */
@@ -3060,6 +3066,19 @@ static int set_mac_address(struct net_de
return 0;
}
+#ifdef CONFIG_NET_POLL_CONTROLLER
+/*
+ * Polling receive - used by netconsole and other diagnostic tools
+ * to allow network i/o with interrupts disabled.
+ * (stolen from 8139too.c by siddy)
+ */
+static void ixp425eth_poll_controller(struct net_device *dev)
+{
+ disable_irq(dev->irq);
+ dev_qmgr_os_isr(dev->irq, dev, NULL);
+ enable_irq(dev->irq);
+}
+#endif
/*
* TX QDISC
@@ -3270,6 +3289,9 @@ static int __devinit dev_eth_probe(struc
ndev->get_stats = dev_get_stats;
ndev->set_multicast_list = dev_set_multicast_list;
ndev->flags |= IFF_MULTICAST;
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ ndev->poll_controller = ixp425eth_poll_controller;
+#endif
ndev->set_mac_address = set_mac_address;
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