[PATCH 1/1] net: Netconsole poll support for 3c509
From: Con Kolivas
Date: Tue Nov 23 2004 - 03:35:46 EST
This patch provides poll support to allow netconsole to work with 3c509
network cards.
Status: Compiled, debugged and tested working by Michael Buesch.
Signed-off-by: Con Kolivas <kernel@xxxxxxxxxxx>
diff -urNX /home/mb/dontdiff linux-2.6.10-rc2-mm2.orig/drivers/net/3c509.c linux-2.6.10-rc2-mm2/drivers/net/3c509.c
--- linux-2.6.10-rc2-mm2.orig/drivers/net/3c509.c 2004-11-21 15:10:18.799455108 +0100
+++ linux-2.6.10-rc2-mm2/drivers/net/3c509.c 2004-11-21 15:12:01.677918665 +0100
@@ -209,6 +209,9 @@
#if defined(CONFIG_EISA) || defined(CONFIG_MCA)
static int el3_device_remove (struct device *device);
#endif
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void el3_poll_controller(struct net_device *dev);
+#endif
#ifdef CONFIG_EISA
struct eisa_device_id el3_eisa_ids[] = {
@@ -321,6 +324,9 @@
dev->set_multicast_list = &set_multicast_list;
dev->tx_timeout = el3_tx_timeout;
dev->watchdog_timeo = TX_TIMEOUT;
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ dev->poll_controller = el3_poll_controller;
+#endif
SET_ETHTOOL_OPS(dev, ðtool_ops);
err = register_netdev(dev);
@@ -999,6 +1005,19 @@
}
+#ifdef CONFIG_NET_POLL_CONTROLLER
+/*
+ * Polling receive - used by netconsole and other diagnostic tools
+ * to allow network i/o with interrupts disabled.
+ */
+static void el3_poll_controller(struct net_device *dev)
+{
+ disable_irq(dev->irq);
+ el3_interrupt(dev->irq, dev, NULL);
+ enable_irq(dev->irq);
+}
+#endif
+
static struct net_device_stats *
el3_get_stats(struct net_device *dev)
{
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