For some channels, like FCC 165, the determination of the control
channel is being done disregarding mac80211 config, which is
HT40- (actually the channel is 20Mhz, we use here hostapd
fallback to 20MHz). Hence, this patch let the previous logic decide
for the cases where HT40+- are allowed and update ht40_capab,
if only one of these configs is allowed (+ or -).
Signed-off-by: Eduardo Abinader <eduardoabina...@gmail.com>
---
.../mac80211/files/lib/netifd/wireless/mac80211.sh | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh
b/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh
index 9ebd76be49..8b55331dbf 100644
--- a/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh
+++ b/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh
@@ -84,6 +84,23 @@ mac80211_add_capabilities() {
export -n -- "$__var=$__out"
}
+mac80211_get_ht40_capab() {
+ phy=$1
+ channel=$2
+
+ freq=$(get_freq $phy $channel)
+ [ -z "$freq" ] && return
+
+ value=$(iw phy $phy channels|grep -vi disabled)
+
+ [ -z "$(echo "$value"|grep "$freq")" ] && return
+ value=$(echo $value|sed 's/'$freq'[^{*}]*widths:/{}/'|sed 's/.*{}
//'|sed 's/ \*.*//')
+
+ [ $(echo $value|grep -o HT40|wc -l) -gt 1 ] && return
+
+ echo "$value"|sed 's/.*HT40//'|sed 's/ .*//'
+}
+
mac80211_hostapd_setup_base() {
local phy="$1"
@@ -121,6 +138,9 @@ mac80211_hostapd_setup_base() {
esac
;;
esac
+ adjust_ht40=$(mac80211_get_ht40_capab $phy $channel)
+ [ -n "$adjust_ht40" ] && ht_capab="[HT40$adjust_ht40]"
+
[ "$auto_channel" -gt 0 ] && ht_capab="[HT40+]"
;;
*) ieee80211n= ;;
--
2.11.0
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