From b3d8b3ab8e6fc0c0355f0680fc1c5f9c90a0c35a Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Sat, 30 Mar 2019 10:09:32 +0100
Subject: [PATCH] mac80211: set noscan=1 if sta/adhoc/mesh interfaces are
 present

Fixes channel selection issues and suppresses an unnecessary extra scan

Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
 .../mac80211/files/lib/netifd/wireless/mac80211.sh    | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh b/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh
index e9389e3447..0426cb60f7 100644
--- a/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh
+++ b/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh
@@ -99,6 +99,8 @@ mac80211_hostapd_setup_base() {
 	json_get_vars noscan ht_coex
 	json_get_values ht_capab_list ht_capab
 
+	[ -n "$noscan" -a "$noscan" -gt 0 ] && hostapd_noscan=1
+
 	ieee80211n=1
 	ht_capab=
 	case "$htmode" in
@@ -307,7 +309,7 @@ mac80211_hostapd_setup_base() {
 	cat >> "$hostapd_conf_file" <<EOF
 ${channel:+channel=$channel}
 ${channel_list:+chanlist=$channel_list}
-${noscan:+noscan=$noscan}
+${hostapd_noscan:+noscan=1}
 $base_cfg
 
 EOF
@@ -735,6 +737,10 @@ mac80211_interface_cleanup() {
 	done
 }
 
+mac80211_set_noscan() {
+	hostapd_noscan=1
+}
+
 drv_mac80211_cleanup() {
 	hostapd_common_cleanup
 }
@@ -798,9 +804,12 @@ drv_mac80211_setup() {
 
 	has_ap=
 	hostapd_ctrl=
+	hostapd_noscan=
 	for_each_interface "ap" mac80211_check_ap
 
 	rm -f "$hostapd_conf_file"
+
+	for_each_interface "sta adhoc mesh" mac80211_set_noscan
 	[ -n "$has_ap" ] && mac80211_hostapd_setup_base "$phy"
 
 	for_each_interface "sta adhoc mesh monitor" mac80211_prepare_vif