Accumulative patch from commit f5f37d3a4fc2df2a24676b4f95afca15ed793cba

Author: Jouni Malinen <j@w1.fi>
Date:   Sun Nov 25 22:05:32 2012 +0200

   Fix REAUTHENTICATE command after PMKSA caching

   The current PMKSA cache entry needs to be clear to allow EAPOL
   reauthentication to be started in case this association used PMKSA
   caching.

 - Remove old WPS_OOB NCF
 - WPS: Add preliminary NFC connection handover support for Enrollee
 - WPS: Reenable the networks disabled during wpa_wpas_reassoc
 - P2P: Avoid multi-channel scans when they are not needed
 - P2P: Allow discoverable interval for p2p_find to be configured
 - P2P: Allow all channels with multi-channel concurrency
 - Bonjour changes
 - Remove disassociate
 - HS 2.0 changes
 - Add preliminary support for using SQLite for eap_user database
 - Add SAE support
 - Add disallow_aps parameter to disallow BSSIDs/SSIDs

Change-Id: I85358a05b39d46b8db49acdad667e771c580b05c
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/hostapd/hostapd.conf b/hostapd/hostapd.conf
index edbd772..c839ad0 100644
--- a/hostapd/hostapd.conf
+++ b/hostapd/hostapd.conf
@@ -572,6 +572,12 @@
 # which is channel 42 in 5G band
 #
 #vht_oper_centr_freq_seg0_idx=42
+#
+# center freq = 5 GHz + (5 * index)
+# So index 159 gives center freq 5.795 GHz
+# which is channel 159 in 5G band
+#
+#vht_oper_centr_freq_seg1_idx=159
 
 ##### IEEE 802.1X-2004 related configuration ##################################
 
@@ -629,6 +635,8 @@
 eap_server=0
 
 # Path for EAP server user database
+# If SQLite support is included, this can be set to "sqlite:/path/to/sqlite.db"
+# to use SQLite database instead of a text file.
 #eap_user_file=/etc/hostapd.eap_user
 
 # CA certificate (PEM or DER file) for EAP-TLS/PEAP/TTLS