ath6kl: support rssi threshold for sched scan
The ath6kl firmware can filter scan results based on rssi. This is
useful to limit hosts wakeups on scheduled scans.
Signed-off-by: Thomas Pedersen <c_tpeder@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c
index 2770899..a5f3d6e 100644
--- a/drivers/net/wireless/ath/ath6kl/cfg80211.c
+++ b/drivers/net/wireless/ath/ath6kl/cfg80211.c
@@ -3211,7 +3211,7 @@
struct ath6kl *ar = ath6kl_priv(dev);
struct ath6kl_vif *vif = netdev_priv(dev);
u16 interval;
- int ret;
+ int ret, rssi_thold;
if (ar->state != ATH6KL_STATE_ON)
return -EIO;
@@ -3244,6 +3244,23 @@
return ret;
}
+ if (test_bit(ATH6KL_FW_CAPABILITY_RSSI_SCAN_THOLD,
+ ar->fw_capabilities)) {
+ if (request->rssi_thold <= NL80211_SCAN_RSSI_THOLD_OFF)
+ rssi_thold = 0;
+ else if (request->rssi_thold < -127)
+ rssi_thold = -127;
+ else
+ rssi_thold = request->rssi_thold;
+
+ ret = ath6kl_wmi_set_rssi_filter_cmd(ar->wmi, vif->fw_vif_idx,
+ rssi_thold);
+ if (ret) {
+ ath6kl_err("failed to set RSSI threshold for scan\n");
+ return ret;
+ }
+ }
+
/* fw uses seconds, also make sure that it's >0 */
interval = max_t(u16, 1, request->interval / 1000);