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

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2012/9/11 Yeoh Chun-Yeow <yeohchunyeow@xxxxxxxxx>:
>> To be more clear: you can tell the hw to *only* disable decryption and
>> keep doing encryption.
>
> But the question here is that during Rx, need to do SW decryption for
> management frame and then HW decryption for unicast data frame for all
> the frame coming from the same STA. I still not so sure how to do
> that.
>
> Jouni said that the workaround is 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.
>

How about disabling acks on hw completely and handle them on sw ? This
might keep the engine running ok for unicast frames.

#define AR5K_DIAG_SW_DIS_ACK		0x00000002	/* Disable ACKs */
#define AR5K_DIAG_SW_DIS_CTS		0x00000004	/* Disable CTSs */



-- 
GPG ID: 0xEE878588
As you read this post global entropy rises. Have Fun ;-)
Nick
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