mac80211: restricted automatic channel selection

Add a new config option "channels" for mac80211 wifi devices. It's only
valid if automatic channel selection is used and restricts the channel
selection to one of the given channels.

config wifi-device
	list channels	1
	list channels	6
	list channels	11

Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@47427 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh b/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh
index 8d31a80..43c01d3 100644 (file)
--- a/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh
+++ b/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh
@@ -23,6 +23,7 @@ drv_mac80211_init_device_config() {
        config_add_int rxantenna txantenna antenna_gain txpower distance
        config_add_boolean noscan ht_coex
        config_add_array ht_capab
+       config_add_array channels
        config_add_boolean \
                rxldpc \
                short_gi_80 \
@@ -89,6 +90,7 @@ mac80211_hostapd_setup_base() {
        json_select config
 
        [ "$auto_channel" -gt 0 ] && channel=acs_survey
+       [ "$auto_channel" -gt 0 ] && json_get_values channel_list channels
 
        json_get_vars noscan ht_coex
        json_get_values ht_capab_list ht_capab
@@ -301,6 +303,7 @@ mac80211_hostapd_setup_base() {
        hostapd_prepare_device_config "$hostapd_conf_file" nl80211
        cat >> "$hostapd_conf_file" <<EOF
 ${channel:+channel=$channel}
+${channel_list:+chanlist=$channel_list}
 ${noscan:+noscan=$noscan}
 $base_cfg