From 15f447a3f5d0147b5aa72abdda8a4e6948f7f804 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Sat, 3 May 2014 18:44:32 +0000
Subject: 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
---
 .../mac80211/files/lib/netifd/wireless/mac80211.sh | 23 +++++++++++++++++++---
 1 file changed, 20 insertions(+), 3 deletions(-)

(limited to 'package/kernel/mac80211')

diff --git a/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh b/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh
index 1b7c5a65f2..29100887e3 100644
--- 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= ;;
-- 
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