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From: Ben Greear <greearb@candelatech.com>
To: Michal Kazior <michal.kazior@tieto.com>
Cc: "ath10k@lists.infradead.org" <ath10k@lists.infradead.org>
Subject: Re: [RFC] ath10k: use raw tx
Date: Thu, 11 Sep 2014 07:19:22 -0700	[thread overview]
Message-ID: <5411AF6A.7010702@candelatech.com> (raw)
In-Reply-To: <CA+BoTQnhqxtHcX46-U+TjQBMDm27jM11xCJ956UFM_gjMvvs+A@mail.gmail.com>

On 09/11/2014 03:35 AM, Michal Kazior wrote:
> On 29 August 2014 23:45, Ben Greear <greearb@candelatech.com> wrote:
>> On 08/22/2014 12:52 AM, Michal Kazior wrote:
>>> This is just a reference for anyone interested in
>>> getting injection working with ath10k.
>>
>> Did you try this with encryption?  I can reproduce the crash
>> in open mode on my CT firmware, but I couldn't even get
>> DHCP to complete with wpa2 enabled.
>
> Hi,
>
> Late reply, sorry.
>
> I've just did a quick test on 10.2 (both AP and STA) with WPA2.
> Apparently the raw tx mode requires IV to be set up on host and packet
> length (reported in HTT Tx command header) must be re-adjusted
> differently, otherwise frames are broken (incorrect FCS, too long,
> somewhat encrypted except LLC/SNAP). The best I could get were
> FCS-correct undecryptable frames on air. Perhaps someone will figure
> that out..
>
> Another way around this would be to perform software crypto for tx
> entirely on host.

That did not fix the problem for me.  The firmware/hardware could not be
convinced (by me, at least) to leave the encrypted packet alone and insisted on
doing at least partial re-crypt, or something like that.

Thanks,
Ben

>
>
> Michał
>


-- 
Ben Greear <greearb@candelatech.com>
Candela Technologies Inc  http://www.candelatech.com


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  parent reply	other threads:[~2014-09-11 14:19 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-22  7:52 [RFC] ath10k: use raw tx Michal Kazior
2014-08-29  7:15 ` Yeoh Chun-Yeow
2014-08-29  7:27   ` Michal Kazior
2014-08-29  8:07     ` Yeoh Chun-Yeow
2014-08-29 21:45 ` Ben Greear
2014-08-30  2:59   ` Ben Greear
2014-09-11 10:35   ` Michal Kazior
2014-09-11 10:47     ` Kalle Valo
2014-09-11 14:17       ` Ben Greear
2014-09-11 14:19     ` Ben Greear [this message]
2014-09-12 10:41       ` Yeoh Chun-Yeow
2014-09-12 11:05         ` Michal Kazior
2014-09-13  1:07           ` Yeoh Chun-Yeow

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