From 1ed08baf89e455d0d087fb1e7177bc5f07b4d7ac Mon Sep 17 00:00:00 2001
From: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Date: Mon, 2 Apr 2012 11:03:14 +0530
Subject: [PATCH] hostapd: Do not allow HT in 11b mode

When the HW mode has been configured as 11b, disable HT
operations.

Signed-hostap: Sujith Manoharan <c_manoha@qca.qualcomm.com>
---
 hostapd/config_file.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/hostapd/config_file.c b/hostapd/config_file.c
index 638adcc40..6fa53f353 100644
--- a/hostapd/config_file.c
+++ b/hostapd/config_file.c
@@ -1090,6 +1090,12 @@ static int hostapd_config_check_bss(struct hostapd_bss_config *bss,
 #endif /* CONFIG_IEEE80211R */
 
 #ifdef CONFIG_IEEE80211N
+	if (conf->ieee80211n && conf->hw_mode == HOSTAPD_MODE_IEEE80211B) {
+		bss->disable_11n = 1;
+		wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) in 11b mode is not "
+			   "allowed, disabling HT capabilites");
+	}
+
 	if (conf->ieee80211n &&
 	    bss->ssid.security_policy == SECURITY_STATIC_WEP) {
 		bss->disable_11n = 1;