[PATCH v2 4/5] AP: Restrict Vendor VHT to 2.4 GHz only

Vendor VHT IE is used only on 2.4 GHz band. Hence restrict the usage
of vendor VHT element to 2.4 GHz. This will ensure that invalid / wrong
user config will not impact beacon data in other than 2.4 GHz band.

Signed-off-by: Rajkumar Manoharan <[email protected]>
---
 src/ap/ieee802_11_vht.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/ap/ieee802_11_vht.c b/src/ap/ieee802_11_vht.c
index f50f142dc0bb..0d68c8963f90 100644
--- a/src/ap/ieee802_11_vht.c
+++ b/src/ap/ieee802_11_vht.c
@@ -428,6 +428,10 @@ u8 * hostapd_eid_vendor_vht(struct hostapd_data *hapd, u8 *eid)
 	if (!hapd->iface->current_mode)
 		return eid;
 
+	/* Vendor VHT is applicable only to 2.4 GHz */
+	if (hapd->iface->current_mode->mode != HOSTAPD_MODE_IEEE80211G)
+		return eid;
+
 	*pos++ = WLAN_EID_VENDOR_SPECIFIC;
 	*pos++ = (5 +		/* The Vendor OUI, type and subtype */
 		  2 + sizeof(struct ieee80211_vht_capabilities) +
-- 
2.7.4