Cumulative patch from commit bacb984b2d10c0dccb3b05b7779d5d4c5662e8b2

bacb984 radiotap: Update radiotap parser to library version
e9b32da Propagate scan failures over D-Bus
142817b Add a wpa_supplicant ctrl_iface event for regdom changes
150fd0b WPS: Split eapol_cb reconnect to a separate code path
ded4f94 WPS: Close p2p_group and temporary parameters to all network blocks
d6a36f3 nl80211: Mask out deauth even after own deauth request
e74dd0e Add forgotten ampdu_factor into wpa_supplicant.conf
759ff2f Re-enable use of wildcard SSID with passphrase
023b466 Fix a debug print to have a space between words
0cd8602 Add CTRL-EVENT-SIGNAL-CHANGE for bgscan signal update events
bd8838a Fix ctrl_iface BLACKLIST return value

Change-Id: I4099b6a33f062d2b6a74c995941a2c534df90b3e
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/wpa_supplicant/wpa_supplicant.conf b/wpa_supplicant/wpa_supplicant.conf
index 3358250..629d886 100644
--- a/wpa_supplicant/wpa_supplicant.conf
+++ b/wpa_supplicant/wpa_supplicant.conf
@@ -962,6 +962,9 @@
 # 0  = Enable MAX-AMSDU if hardware supports it.
 # 1  = Disable AMSDU
 #
+# ampdu_factor: Maximum A-MPDU Length Exponent
+# Value: 0-3, see 7.3.2.56.3 in IEEE Std 802.11n-2009.
+#
 # ampdu_density:  Allow overriding AMPDU density configuration.
 #  Treated as hint by the kernel.
 # -1 = Do not make any changes.