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Date: Tue, 11 Sep 2012 18:05:35 +0300
Message-ID: <CAFtRNNyNVnkfyjDGvuUJfYq3pKfiwG+YOpxo0DX_uw6CKiErTA@mail.gmail.com> (sfid-20120911_170540_812058_BC03FD30)
Subject: Re: [PATCH] ath5k: add support of HW encryption in management frames
From: Nick Kossifidis <mickflemm@gmail.com>
To: Yeoh Chun-Yeow <yeohchunyeow@gmail.com>
Cc: Kalle Valo <kvalo@adurom.com>, Adrian Chadd <adrian@freebsd.org>,
	Jouni Malinen <j@w1.fi>,
	Johannes Berg <johannes@sipsolutions.net>,
	linux-wireless@vger.kernel.org, jirislaby@gmail.com,
	mcgrof@qca.qualcomm.com, ath5k-devel@venema.h4ckr.net
Content-Type: text/plain; charset=UTF-8
Sender: linux-wireless-owner@vger.kernel.org

2012/9/11 Yeoh Chun-Yeow <yeohchunyeow@gmail.com>:
> Hi, Nick
>
>> Have you tried disabing RX or TX only encryption/decryption on hw
>> trough PCU DIAG register ?
>
> Nope. Is that same with loading the ath5k with nohwcrypt=1 to do
> purely SW encryption/decryption?
>
> ----
> Chun-Yeow

Nope, with nohwcrypt we don't initialize the hw engine at all, we just
tell hw that data is not encrypted and that nothing should be done
about it. With these hw options from what I understand from docs we
can initialize the engine but use only part of it, eg. use only hw
encryption or only hw decryption. It might be useful in your case.

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