From 7eaab7086c3a313d76c217f98bc610c523d9bc2c Mon Sep 17 00:00:00 2001
From: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Date: Thu, 30 Jul 2009 19:41:37 +0300
Subject: [PATCH] rndis_wlan: reset device and restore multicast list on
rndis_wlan_reset()
Reset device properly with RNDIS_MSG_RESET in rndis_wlan_reset() and restore
multicast list afterwards.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
drivers/net/wireless/rndis_wlan.c | 30 ++++++++++++++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c
index dee05511d591..bfb9861a0366 100644
--- a/drivers/net/wireless/rndis_wlan.c
+++ b/drivers/net/wireless/rndis_wlan.c
@@ -594,6 +594,28 @@ static int rndis_set_oid(struct usbnet *dev, __le32 oid, void *data, int len)
}
+static int rndis_reset(struct usbnet *usbdev)
+{
+ struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
+ struct rndis_reset *reset;
+ int ret;
+
+ mutex_lock(&priv->command_lock);
+
+ reset = (void *)priv->command_buffer;
+ memset(reset, 0, sizeof(*reset));
+ reset->msg_type = RNDIS_MSG_RESET;
+ reset->msg_len = cpu_to_le32(sizeof(*reset));
+ ret = rndis_command(usbdev, (void *)reset, CONTROL_BUFFER_SIZE);
+
+ mutex_unlock(&priv->command_lock);
+
+ if (ret < 0)
+ return ret;
+ return 0;
+}
+
+
/*
* Specs say that we can only set config parameters only soon after device
* initialization.
@@ -2500,9 +2522,17 @@ static void rndis_wlan_unbind(struct usbnet *usbdev, struct usb_interface *intf)
static int rndis_wlan_reset(struct usbnet *usbdev)
{
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
+ int retval;
devdbg(usbdev, "rndis_wlan_reset");
+ retval = rndis_reset(usbdev);
+ if (retval)
+ devwarn(usbdev, "rndis_reset() failed: %d", retval);
+
+ /* rndis_reset cleared multicast list, so restore here. */
+ set_multicast_list(usbdev);
+
queue_delayed_work(priv->workqueue, &priv->stats_work,
round_jiffies_relative(STATS_UPDATE_JIFFIES));
--
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