create_ap

commit 984f8e7fc9ea41f82959203238593983b6f4f3fc
parent e8fd319aac713533b05e2303be9c31076ed11445
Author: oblique <psyberbits@gmail.com>
Date:   Sun, 24 Nov 2013 18:37:39 +0200

If WiFi interface is already set to a channel, don't try to change it

Diffstat:
M
create_ap
 | 
6
++++++

1 file changed, 6 insertions(+), 0 deletions(-)
diff --git a/create_ap b/create_ap
@@ -208,6 +208,12 @@ fi
 
 WIFI_IFACE=$1
 VWIFI_IFACE=${WIFI_IFACE}ap
+WIFI_IFACE_CHANNEL=$(iw ${WIFI_IFACE} info | grep channel | awk '{print $2}')
+
+if [[ -n $WIFI_IFACE_CHANNEL && $WIFI_IFACE_CHANNEL -ne $CHANNEL ]]; then
+    echo "hostapd will fail to use channel $CHANNEL because $WIFI_IFACE is already set to channel $WIFI_IFACE_CHANNEL, fallback to channel $WIFI_IFACE_CHANNEL."
+    CHANNEL=$WIFI_IFACE_CHANNEL
+fi
 
 if [[ "$SHARE_METHOD" == "bridge" ]]; then
     BRIDGE_IFACE=$(get_avail_bridge)