Message-ID: <4C7C55E6.1060707@redfish-solutions.com>
Date: Mon, 30 Aug 2010 18:07:50 -0700
From: Philip Prindeville <philipp_subx@redfish-solutions.com>
MIME-Version: 1.0
To: Jouni Malinen <j@w1.fi>
CC: linux-wireless@vger.kernel.org,
	Johannes Berg <johannes@sipsolutions.net>
Subject: Re: Marshaling issues w/ compat-wireless-2010-08-19
References: <4C746F74.70401@redfish-solutions.com> <20100828171239.GA23885@jm.kir.nu> <4C79450C.80507@redfish-solutions.com>
In-Reply-To: <4C79450C.80507@redfish-solutions.com>
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Sender: linux-wireless-owner@vger.kernel.org

  On 8/28/10 10:19 AM, Philip Prindeville wrote:
>  On 8/28/10 11:12 AM, Jouni Malinen wrote:
>> On Tue, Aug 24, 2010 at 06:18:44PM -0700, Philip Prindeville wrote:
>>>   I've got a stock Fedora Core 13 install (updated today) with the hostapd-0.6.10 rpm and hostapd-0.7.2 compiled from sources.  The NIC is a Ubiquiti SR71e (AR9280).
>>> (2) Some highly unlikely values from the hostapd debugging messages when parsing out WEP authentication messages (line 507):
>>> authentication: STA=f8:1e:df:1e:c2:23 auth_alg=35510 auth_transaction=79 status_code=21688 wep=1
>>> Unsupported authentication algorithm (35510)
>> I was unable to reproduce this with the current development tree
>> snapshots. Shared key authentication worked with AR9280 and the current
>> wireless-testing.git and hostap.git in my tests. If you are still seeing
>> this, you could also try to disable hw crypto to remove one possible
>> issue area by using nohwcrypt=1 module parameter when loading ath9k.
>>
>
> Already tried that, and it didn't help.
>
> -Philip

I also tried with the tarballs from 2010-07-19, and 2010-08-29 and saw the same issue.

I also was able to reproduce the issue with "nohwcrypt=1".

So I'm wondering what if decryption is working fine, but the buffer has an alignment issue or isn't being marshaled into netlink properly?

-Philip