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Re: [PATCH] ath5k: add support of HW encryption in management frames

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> So yes, if you want to enable support for MFP, you cannot do it unless
> the driver is able to handle both CCMP and BIP protection for robust
> management frames. In case of ath5k, I would assume there are two
> options:
> - only enable MFP if software encryption is used for all frames (i.e.,
>   no hwaccel even for data frames)
> - implement workaround to re-encrypt(incorrectly) received robust
>   unicast management frames if hwaccel for CCMP was configured for the
>   transmitting STA (this is to undo the incorrect decryption done by the
>   hardware) and then pass the encrypted frame to mac80211 for software
>   decryption; with this option, you could advertise MFP support even
>   with CCMP hwaccel enabled

No luck and still cannot work out how to re-encrypt the received
robust unicast management frames if hwaccel for CCMP was configured.
Need to stick with first option then.

---
Chun-Yeow
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