From: Johannes Berg <johannes@sipsolutions.net>
To: John Linville <linville@tuxdriver.com>
Cc: linux-wireless@vger.kernel.org
Subject: Re: [PATCH 2/2] mac80211: fix CCMP PN race
Date: Wed, 06 Jul 2011 21:28:04 +0200 [thread overview]
Message-ID: <1309980484.3893.10.camel@jlt3.sipsolutions.net> (raw)
In-Reply-To: <20110706101558.466384440@sipsolutions.net> (sfid-20110706_121637_541845_ADF8A914)
On Wed, 2011-07-06 at 12:09 +0200, Johannes Berg wrote:
> plain text document attachment (009-mac80211-fix-ccmp-races.patch)
> From: Johannes Berg <johannes.berg@intel.com>
>
> Since we can process multiple packets at the
> same time for different ACs, but the PN is
> allocated from a single counter, we need to
> use an atomic value there. Use atomic64_t to
> make this cheaper on 64-bit platforms, other
> platforms will support this through software
> emulation, see lib/atomic64.c.
This fixes the PN race but is incomplete, will send a new version.
johannes
next prev parent reply other threads:[~2011-07-06 19:28 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-06 10:09 [PATCH 0/2] fix mac80211 crypto races Johannes Berg
2011-07-06 10:09 ` [PATCH 1/2] mac80211: fix TKIP races, make API easier to use Johannes Berg
2011-07-07 20:28 ` [PATCH 1/2 v2] " Johannes Berg
2011-07-06 10:09 ` [PATCH 2/2] mac80211: fix CCMP PN race Johannes Berg
2011-07-06 19:28 ` Johannes Berg [this message]
2011-07-06 19:59 ` [PATCH 2/2 v2] mac80211: fix CCMP races Johannes Berg
2011-07-06 20:00 ` [PATCH 3/2] mac80211: fix CMAC races Johannes Berg
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