From: akpm@osdl.org
To: jgarzik@pobox.com
Cc: davem@davemloft.net, netdev@oss.sgi.com, akpm@osdl.org,
kernel@kolivas.org
Subject: [patch 02/10] net: Netconsole poll support for 3c509
Date: Tue, 04 Jan 2005 21:59:27 -0800 [thread overview]
Message-ID: <200501050559.j055xa614669@mail.osdl.org> (raw)
From: Con Kolivas <kernel@kolivas.org>
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@kolivas.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---
25-akpm/drivers/net/3c509.c | 19 +++++++++++++++++++
1 files changed, 19 insertions(+)
diff -puN drivers/net/3c509.c~net-netconsole-poll-support-for-3c509 drivers/net/3c509.c
--- 25/drivers/net/3c509.c~net-netconsole-poll-support-for-3c509 2005-01-04 21:57:35.537731728 -0800
+++ 25-akpm/drivers/net/3c509.c 2005-01-04 21:57:35.542730968 -0800
@@ -209,6 +209,9 @@ static int el3_pm_callback(struct pm_dev
#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 @@ static int __init el3_common_init(struct
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 @@ el3_interrupt(int irq, void *dev_id, str
}
+#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)
{
_
reply other threads:[~2005-01-05 5:59 UTC|newest]
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