mac80211/hostapd: short_preamble is a per-vif option and should be enabled by default

SVN-Revision: 35565

package/mac80211/files/lib/wifi/mac80211.sh

@@ -14,7 +14,6 @@ mac80211_hostapd_setup_base() {
 	config_get beacon_int "$device" beacon_int
 	config_get basic_rate_list "$device" basic_rate
 	config_get_bool noscan "$device" noscan
-	config_get_bool short_preamble "$device" short_preamble "0"
 
 	hostapd_set_log_options base_cfg "$device"
 
@@ -58,8 +57,6 @@ mac80211_hostapd_setup_base() {
 		done
 	}
 
-	append base_cfg "preamble=$short_preamble" "$N"
-	
 	cat >> "$cfgfile" <<EOF
 ctrl_interface=/var/run/hostapd-$phy
 driver=nl80211

package/network/services/hostapd/files/hostapd.sh

@@ -12,6 +12,7 @@ hostapd_set_bss_options() {
 	config_get_bool disassoc_low_ack "$vif" disassoc_low_ack 1
 	config_get max_num_sta "$vif" max_num_sta 0
 	config_get max_inactivity "$vif" max_inactivity 0
+	config_get_bool preamble "$vif" short_preamble 1
 
 	config_get device "$vif" device
 	config_get hwmode "$device" hwmode
@@ -29,6 +30,9 @@ hostapd_set_bss_options() {
 		append "$var" "ap_max_inactivity=$max_inactivity" "$N"
 	fi
 	append "$var" "disassoc_low_ack=$disassoc_low_ack" "$N"
+	if [ "$preamble" -gt 0 ]; then
+		append "$var" "preamble=$preamble" "$N"
+	fi
 
 	# Examples:
 	# psk-mixed/tkip 	=> WPA1+2 PSK, TKIP