mac80211: add automatic ht40 mode handling for 2.4 ghz

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@40684 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 1b7c5a6..2910088 100644 (file)
--- a/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh
+++ b/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh
@@ -91,9 +91,26 @@ mac80211_hostapd_setup_base() {
                case "$htmode" in
                        HT20) ;;
                        HT40*|VHT40|VHT80|VHT160)
-                               case "$(( ($channel / 4) % 2 ))" in
-                                       1) ht_capab="[HT40+]";;
-                                       0) ht_capab="[HT40-]";;
+                               case "$hwmode" in
+                                       a)
+                                               case "$(( ($channel / 4) % 2 ))" in
+                                                       1) ht_capab="[HT40+]";;
+                                                       0) ht_capab="[HT40-]";;
+                                               esac
+                                       ;;
+                                       *)
+                                               case "$htmode" in
+                                                       HT40+) ht_capab="[HT40+]";;
+                                                       HT40-) ht_capab="[HT40-]";;
+                                                       *)
+                                                               if [ "$channel" -lt 7 ]; then
+                                                                       ht_capab="[HT40+]"
+                                                               else
+                                                                       ht_capab="[HT40-]"
+                                                               fi
+                                                       ;;
+                                               esac
+                                       ;;
                                esac
                        ;;
                        *) ieee80211n= ;;