From: Felix Fietkau <nbd@openwrt.org>
To: Sujith <Sujith.Manoharan@atheros.com>
Cc: linux-wireless <linux-wireless@vger.kernel.org>,
Luis Rodriguez <Luis.Rodriguez@Atheros.com>,
"John W. Linville" <linville@tuxdriver.com>
Subject: Re: [PATCH] ath9k: fix PAE frame handling
Date: Mon, 01 Feb 2010 06:16:23 +0100 [thread overview]
Message-ID: <4B6663A7.3070608@openwrt.org> (raw)
In-Reply-To: <19302.24837.154697.822430@gargle.gargle.HOWL>
On 2010-02-01 6:05 AM, Sujith wrote:
> Felix Fietkau wrote:
>> ath9k's tx handling code contains a special case for PAE frames, which
>> looks like it was intended to be improving reliability by excluding
>> them from aggregates.
>> What it actually did is the opposite: By assigning a faulty sequence
>> number, yet still keeping it as a qos-frame, it caused bogus packet
>> reordering, which broke WPA rekeying.
>> The special case handling is completely unnecessary, so this patch
>> removes it.
>
> Sending PAE frames as part of an aggregate broke crypto with several APs.
> Assigning the correct seq. number should work, no ?
>
> Something like the patch below. Can you check if it fixes your issue ?
> Though, removing the seq. number mess in the driver would be great. :D
Works for me. Tested it with a really short rekey interval, and I'm
getting no packet loss or connection interruption.
- Felix
next prev parent reply other threads:[~2010-02-01 5:16 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-31 21:33 [PATCH] ath9k: fix PAE frame handling Felix Fietkau
2010-02-01 5:05 ` Sujith
2010-02-01 5:16 ` Felix Fietkau [this message]
2010-02-04 10:07 ` Kalle Valo
2010-02-09 4:40 ` Sujith
2010-02-08 21:39 ` John W. Linville
2010-02-09 4:35 ` Sujith
2010-02-16 19:42 ` Felix Fietkau
2010-02-16 19:50 ` Felix Fietkau
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4B6663A7.3070608@openwrt.org \
--to=nbd@openwrt.org \
--cc=Luis.Rodriguez@Atheros.com \
--cc=Sujith.Manoharan@atheros.com \
--cc=linux-wireless@vger.kernel.org \
--cc=linville@tuxdriver.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.