---

yaml
---
r: 352211
b: refs/heads/master
c: 5d3a160
h: refs/heads/master
i:
  352209: 16215f8
  352207: f7bfd2b
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f4d02007cdd56c59bdb9362c699875cb2d02c0fe
+refs/heads/master: 5d3a160365306c4161b7064d482c26a85829f170

trunk/drivers/net/wireless/ti/wl12xx/main.c

@@ -269,6 +269,8 @@ static struct wlcore_conf wl12xx_conf = {
 	.scan = {
 		.min_dwell_time_active        = 7500,
 		.max_dwell_time_active        = 30000,
+		.min_dwell_time_active_long   = 25000,
+		.max_dwell_time_active_long   = 50000,
 		.dwell_time_passive           = 100000,
 		.dwell_time_dfs               = 150000,
 		.num_probe_reqs               = 2,

trunk/drivers/net/wireless/ti/wl18xx/main.c

@@ -396,6 +396,8 @@ static struct wlcore_conf wl18xx_conf = {
 	.scan = {
 		.min_dwell_time_active        = 7500,
 		.max_dwell_time_active        = 30000,
+		.min_dwell_time_active_long   = 25000,
+		.max_dwell_time_active_long   = 50000,
 		.dwell_time_passive           = 100000,
 		.dwell_time_dfs               = 150000,
 		.num_probe_reqs               = 2,

trunk/drivers/net/wireless/ti/wlcore/conf.h

@@ -1088,18 +1088,40 @@ struct conf_roam_trigger_settings {
 struct conf_scan_settings {
 	/*
 	 * The minimum time to wait on each channel for active scans
+	 * This value will be used whenever there's a connected interface.
 	 *
 	 * Range: u32 tu/1000
 	 */
 	u32 min_dwell_time_active;
 
 	/*
 	 * The maximum time to wait on each channel for active scans
+	 * This value will be currently used whenever there's a
+	 * connected interface. It shouldn't exceed 30000 (~30ms) to avoid
+	 * possible interference of voip traffic going on while scanning.
 	 *
 	 * Range: u32 tu/1000
 	 */
 	u32 max_dwell_time_active;
 
+	/* The minimum time to wait on each channel for active scans
+	 * when it's possible to have longer scan dwell times.
+	 * Currently this is used whenever we're idle on all interfaces.
+	 * Longer dwell times improve detection of networks within a
+	 * single scan.
+	 *
+	 * Range: u32 tu/1000
+	 */
+	u32 min_dwell_time_active_long;
+
+	/* The maximum time to wait on each channel for active scans
+	 * when it's possible to have longer scan dwell times.
+	 * See min_dwell_time_active_long
+	 *
+	 * Range: u32 tu/1000
+	 */
+	u32 max_dwell_time_active_long;
+
 	/* time to wait on the channel for passive scans (in TU/1000) */
 	u32 dwell_time_passive;
 

trunk/drivers/net/wireless/ti/wlcore/scan.c

@@ -89,6 +89,25 @@ void wl1271_scan_complete_work(struct work_struct *work)
 
 }
 
+static void wlcore_started_vifs_iter(void *data, u8 *mac,
+				     struct ieee80211_vif *vif)
+{
+	int *count = (int *)data;
+
+	if (!vif->bss_conf.idle)
+		(*count)++;
+}
+
+static int wlcore_count_started_vifs(struct wl1271 *wl)
+{
+	int count = 0;
+
+	ieee80211_iterate_active_interfaces_atomic(wl->hw,
+					IEEE80211_IFACE_ITER_RESUME_ALL,
+					wlcore_started_vifs_iter, &count);
+	return count;
+}
+
 static int
 wlcore_scan_get_channels(struct wl1271 *wl,
 			 struct ieee80211_channel *req_channels[],
@@ -109,9 +128,14 @@ wlcore_scan_get_channels(struct wl1271 *wl,
 	/* configure dwell times according to scan type */
 	if (scan_type == SCAN_TYPE_SEARCH) {
 		struct conf_scan_settings *c = &wl->conf.scan;
-
-		min_dwell_time_active = c->min_dwell_time_active;
-		max_dwell_time_active = c->max_dwell_time_active;
+		bool active_vif_exists = !!wlcore_count_started_vifs(wl);
+
+		min_dwell_time_active = active_vif_exists ?
+			c->min_dwell_time_active :
+			c->min_dwell_time_active_long;
+		max_dwell_time_active = active_vif_exists ?
+			c->max_dwell_time_active :
+			c->max_dwell_time_active_long;
 		dwell_time_passive = c->dwell_time_passive;
 		dwell_time_dfs = c->dwell_time_dfs;
 	} else {