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[2/2] ath10k: block offchannel operations if TDLS session is active

Message ID 1507183709-585-2-git-send-email-akolli@qti.qualcomm.com (mailing list archive)
State New, archived
Headers show

Commit Message

akolli@qti.qualcomm.com Oct. 5, 2017, 6:08 a.m. UTC 
From: Anilkumar Kolli <akolli@qti.qualcomm.com>

Do not allow off channel operations like scans/roc when
there are active TDLS sessions.

The Current firmware 10.4-3.5.1-00035 on QCA9888 does not
supports any offchannel operations on active TDLS sessions,
either driver needs to block the offchannel operation requests
or should teardown the TDLS connection.

Signed-off-by: Anilkumar Kolli <akolli@qti.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/mac.c |   10 ++++++++++
 1 file changed, 10 insertions(+)
diff mbox

Patch

diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 0f14da73cf64..2f3851e688f4 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -5641,6 +5641,11 @@  static int ath10k_hw_scan(struct ieee80211_hw *hw,
 
 	mutex_lock(&ar->conf_mutex);
 
+	if (ath10k_mac_tdls_vif_stations_count(hw, vif) > 0) {
+		ret = -EBUSY;
+		goto exit;
+	}
+
 	spin_lock_bh(&ar->data_lock);
 	switch (ar->scan.state) {
 	case ATH10K_SCAN_IDLE:
@@ -6477,6 +6482,11 @@  static int ath10k_remain_on_channel(struct ieee80211_hw *hw,
 
 	mutex_lock(&ar->conf_mutex);
 
+	if (ath10k_mac_tdls_vif_stations_count(hw, vif) > 0) {
+		ret = -EBUSY;
+		goto exit;
+	}
+
 	spin_lock_bh(&ar->data_lock);
 	switch (ar->scan.state) {
 	case ATH10K_SCAN_IDLE: