add IEEE 802.11n support

create_ap

@@ -30,6 +30,8 @@ usage() {
     echo "                           'bridge' for bridging"
     echo "                           'none' for no Internet sharing (equivalent to -n)"
     echo "  --hidden            Make the Access Point hidden (do not broadcast the SSID)"
+    echo "  --ieee80211n        Enable IEEE 802.11n (HT)"
+    echo "  --ht_capab <HT>     HT capabilities (default: [HT40+])"
     echo "  --driver            Choose your WiFi adapter driver (default: nl80211)"
     echo "  --no-virt           Do not create virtual interface"
     echo
@@ -126,6 +128,8 @@ WPA_VERSION=1+2
 ETC_HOSTS=0
 HIDDEN=0
 SHARE_METHOD=nat
+IEEE80211N=0
+HT_CAPAB='[HT40+]'
 DRIVER=nl80211
 NO_VIRT=0
 
@@ -192,7 +196,7 @@ die() {
 # if the user press ctrl+c then execute die()
 trap "die" SIGINT
 
-ARGS=$(getopt -o hc:w:g:dnm: -l "help","hidden","driver:","no-virt" -n $(basename $0) -- "$@")
+ARGS=$(getopt -o hc:w:g:dnm: -l "help","hidden","ieee80211n","ht_capab:","driver:","no-virt" -n $(basename $0) -- "$@")
 [[ $? -ne 0 ]] && exit 1
 eval set -- "$ARGS"
 
@@ -234,6 +238,15 @@ while :; do
             SHARE_METHOD="$1"
             shift
             ;;
+        --ieee80211n)
+            shift
+            IEEE80211N=1
+            ;;
+        --ht_capab)
+            shift
+            HT_CAPAB="$1"
+            shift
+            ;;
         --driver)
             shift
             DRIVER="$1"
@@ -376,6 +389,14 @@ ctrl_interface_group=0
 ignore_broadcast_ssid=$HIDDEN
 EOF
 
+if [[ $IEEE80211N -eq 1 ]]; then
+    cat << EOF >> $CONFDIR/hostapd.conf
+ieee80211n=1
+wmm_enabled=1
+ht_capab=${HT_CAPAB}
+EOF
+fi
+
 if [[ -n "$PASSPHRASE" ]]; then
     [[ "$WPA_VERSION" == "1+2" || "$WPA_VERSION" == "2+1" ]] && WPA_VERSION=3
     cat << EOF >> $CONFDIR/hostapd.conf