This patch series enables management frame protection (802.11w) in hostapd and
wpa_supplicant. Both programs implement IEEE Std 802.11w-2009 since version
0.7.0 (1),(2). According to (3), the only driver that currently supports
802.11w is ath9k.
I have tested this on two identical OpenWrt devices, based on Ubiquiti
RouterStation Pro with SR-71A (phy0: Atheros AR9160 MAC/BB Rev:0 AR5133 RF
Rev:b0), running trunk r19922. MFP can be either disabled, optional or
required, in both programs. For my tests, I set ieee80211w=1 (optional) on my
AP and ieee80211w=2 (required) on the client. Association sometimes succeeded,
but not always. With "iw dev wlan0 scan" on the client, there is also some
bogus tail data in the RSN part:
RSN: * Version: 1
* Group cipher: TKIP
* Pairwise ciphers: CCMP TKIP
* Authentication suites: PSK
* Capabilities: 16-PTKSA-RC MFP-capable (0x008c)
* bogus tail data (6): 00 00 00 0f ac 06
Given my first test results, this feature should imo be considered
experimental, but the ability to configure it in /etc/config/wireless will
allow for easier testing.
(1)
http://hostap.epitest.fi/gitweb/gitweb.cgi?p=hostap.git;a=blob_plain;f=hostapd/ChangeLog
(2)
http://hostap.epitest.fi/gitweb/gitweb.cgi?p=hostap.git;a=blob_plain;f=wpa_supplicant/ChangeLog
(3) http://linuxwireless.org/
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