Hi, Thomas

I have also observed that the CIPHER_AES_CMAC is not supported by the
ath5k and thus the key installation for multicast frame failed. We can
enable this by triggering the flags IEEE80211_HW_MFP_CAPABLE in
base.c. Then, everything works fine. But I am not too sure whether the
ath5k hardware supports this.

Supported Ciphers:
                * WEP40 (00-0f-ac:1)
                * WEP104 (00-0f-ac:5)
                * TKIP (00-0f-ac:2)
                * CCMP (00-0f-ac:4)
                * CMAC (00-0f-ac:6) (missing in ath5k)

Also there is only two transmission rates printed in rc_stat:
rate     throughput  ewma prob   this prob  this succ/attempt
success    attempts
TtP 48        22.5       57.8      100.0          1(  1)          4           4
    54         0.0        0.0        0.0          0(  0)          0           0

Total packet count::    ideal 3      lookaround 0

Please advice. Thanks

Regards,
Chun-Yeow

P.S: ath5k is loaded with nohwcrypt=1
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