diff mbox

[1/8] rndis_wlan: ignore OID_802_11_ADD_KEY triggered media connect indications

Message ID 20090828095849.10554.58857.stgit@fate.lan (mailing list archive)
State Not Applicable, archived
Headers show

Commit Message

Jussi Kivilinna Aug. 28, 2009, 9:58 a.m. UTC
Setting WPA keys with OID_802_11_ADD_KEY sometimes trigger
instant media connect indication. These indications are extranous and
should be ignored, as otherwise driver would send reassociation event to
userspace which in this case is not needed.

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
---

 drivers/net/wireless/rndis_wlan.c |   17 +++++++++++++++++
 1 files changed, 17 insertions(+), 0 deletions(-)


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diff mbox

Patch

diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c
index f181b00..612c2c7 100644
--- a/drivers/net/wireless/rndis_wlan.c
+++ b/drivers/net/wireless/rndis_wlan.c
@@ -470,6 +470,7 @@  struct rndis_wlan_private {
 	int radio_on;
 	int infra_mode;
 	struct ndis_80211_ssid essid;
+	__le32 current_command_oid;
 
 	/* encryption stuff */
 	int  encr_tx_key_index;
@@ -665,7 +666,9 @@  static int rndis_query_oid(struct usbnet *dev, __le32 oid, void *data, int *len)
 	u.get->msg_len = cpu_to_le32(sizeof *u.get);
 	u.get->oid = oid;
 
+	priv->current_command_oid = oid;
 	ret = rndis_command(dev, u.header, buflen);
+	priv->current_command_oid = 0;
 	if (ret < 0)
 		devdbg(dev, "rndis_query_oid(%s): rndis_command() failed, %d "
 			"(%08x)", oid_to_string(oid), ret,
@@ -725,7 +728,9 @@  static int rndis_set_oid(struct usbnet *dev, __le32 oid, void *data, int len)
 	u.set->handle = cpu_to_le32(0);
 	memcpy(u.buf + sizeof(*u.set), data, len);
 
+	priv->current_command_oid = oid;
 	ret = rndis_command(dev, u.header, buflen);
+	priv->current_command_oid = 0;
 	if (ret < 0)
 		devdbg(dev, "rndis_set_oid(%s): rndis_command() failed, %d "
 			"(%08x)", oid_to_string(oid), ret,
@@ -760,6 +765,7 @@  static int rndis_reset(struct usbnet *usbdev)
 	memset(reset, 0, sizeof(*reset));
 	reset->msg_type = RNDIS_MSG_RESET;
 	reset->msg_len = cpu_to_le32(sizeof(*reset));
+	priv->current_command_oid = 0;
 	ret = rndis_command(usbdev, (void *)reset, CONTROL_BUFFER_SIZE);
 
 	mutex_unlock(&priv->command_lock);
@@ -2558,6 +2564,17 @@  static void rndis_wlan_indication(struct usbnet *usbdev, void *ind, int buflen)
 
 	switch (msg->status) {
 	case RNDIS_STATUS_MEDIA_CONNECT:
+		if (priv->current_command_oid == OID_802_11_ADD_KEY) {
+			/* OID_802_11_ADD_KEY causes sometimes extra
+			 * "media connect" indications which confuses driver
+			 * and userspace to think that device is
+			 * roaming/reassociating when it isn't.
+			 */
+			devdbg(usbdev, "ignored OID_802_11_ADD_KEY triggered "
+					"'media connect'");
+			return;
+		}
+
 		usbnet_pause_rx(usbdev);
 
 		devinfo(usbdev, "media connect");