AP: Restrict Vendor VHT to 2.4 GHz only

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

Signed-off-by: Rajkumar Manoharan <rmanohar@codeaurora.org>

diff --git a/src/ap/ieee802_11_vht.c b/src/ap/ieee802_11_vht.c
index f50f142dc0bbbdea8e70d8bdd11f654e9111bd9a..425b192e1379bf362268a74ded1c304b09870379 100644 (file)
--- a/src/ap/ieee802_11_vht.c
+++ b/src/ap/ieee802_11_vht.c
@@ -425,7 +425,9 @@ u8 * hostapd_eid_vendor_vht(struct hostapd_data *hapd, u8 *eid)
 {
        u8 *pos = eid;
 
-       if (!hapd->iface->current_mode)
+       /* Vendor VHT is applicable only to 2.4 GHz */
+       if (!hapd->iface->current_mode ||
+           hapd->iface->current_mode->mode != HOSTAPD_MODE_IEEE80211G)
                return eid;
 
        *pos++ = WLAN_EID_VENDOR_SPECIFIC;