[openwrt/openwrt] mac80211: do not emit VHT160 capabilities if channel width is less than 160 MHz

[LEDE Commits]

nbd pushed a commit to openwrt/openwrt.git, branch openwrt-23.05:
https://git.openwrt.org/2fe497c4a514d09b6e8a9e5953b51d7f4da90b6b

commit 2fe497c4a514d09b6e8a9e5953b51d7f4da90b6b
Author: Felix Fietkau <nbd at nbd.name>
AuthorDate: Tue Jan 9 14:36:42 2024 +0100

    mac80211: do not emit VHT160 capabilities if channel width is less than 160 MHz
    
    Fixes compatibility issues with VHT160 capable clients
    
    Signed-off-by: Felix Fietkau <nbd at nbd.name>
    (cherry picked from commit 80e4e2285fdf4a7b19c84532deafe2d1e690ed30)
---
 package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh b/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh
index b5378e556e..6ff627b038 100644
--- a/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh
+++ b/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh
@@ -327,6 +327,11 @@ mac80211_hostapd_setup_base() {
 		[ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
 		vht_cap="$(( ($vht_cap & ~(0x700)) | ($cap_rx_stbc << 8) ))"
 
+		[ "$vht_oper_chwidth" -lt 2 ] && {
+			vht160=0
+			short_gi_160=0
+		}
+
 		mac80211_add_capabilities vht_capab $vht_cap \
 			RXLDPC:0x10::$rxldpc \
 			SHORT-GI-80:0x20::$short_gi_80 \