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rndis_wlan: reset device and restore multicast list on rndis_wlan_reset()

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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>
This commit is contained in:
Jussi Kivilinna 2009-07-30 19:41:37 +03:00 committed by John W. Linville
parent 005ba2f17e
commit 7eaab7086c
1 changed files with 30 additions and 0 deletions
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30
drivers/net/wireless/rndis_wlan.c
View file

@ -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));