mac80211: Allow preamble configuration

Add a new wireless config parameter short_preamble=0|1 to enable
usage of short preambles. Default is to only allow long preambles
as before.

Even if short_preamble is set to 1 hostapd will take care that
short preambles are disabled as soon as a STA associates that
cannot handle short preambles.

Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
SVN-Revision: 30539

diff --git a/package/mac80211/files/lib/wifi/mac80211.sh b/package/mac80211/files/lib/wifi/mac80211.sh
index 13390b8667bfb209e996eb8ba0a2413b09fdeb34..ff5470b5eb01fa394e9c6e278bda2e69e2504071 100644 (file)
--- a/package/mac80211/files/lib/wifi/mac80211.sh
+++ b/package/mac80211/files/lib/wifi/mac80211.sh
@@ -16,6 +16,7 @@ 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"
 
@@ -76,6 +77,8 @@ mac80211_hostapd_setup_base() {
                        brstr="$brstr$brval"
                done
        }
+
+       append base_cfg "preamble=$short_preamble" "$N"
        
        cat >> "$cfgfile" <<EOF
 ctrl_interface=/var/run/hostapd-$phy