From: Johannes Berg <johannes@sipsolutions.net>
To: Arik Nemtsov <arik@wizery.com>
Cc: linux-wireless@vger.kernel.org
Subject: Re: [PATCH] mac80211: support adding IV-room in the skb for CCMP keys
Date: Wed, 26 Oct 2011 11:59:43 +0200 [thread overview]
Message-ID: <4EA7DA0F.7050603@sipsolutions.net> (raw)
In-Reply-To: <1319350901-31178-1-git-send-email-arik@wizery.com> (sfid-20111023_082219_026010_8DDA891C)
On 10/23/2011 8:21 AM, Arik Nemtsov wrote:
> Some cards can generate CCMP IVs in HW, but require the space for the IV
> to be pre-allocated in the frame at the correct offset. Add a key flag
> that allows us to achieve this.
Is it really that expensive to generate the IV and then not use it that
this is worth the extra complexity? This not just makes it more complex
but also more expensive in the other case.
johannes
next prev parent reply other threads:[~2011-10-26 17:22 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-23 6:21 [PATCH] mac80211: support adding IV-room in the skb for CCMP keys Arik Nemtsov
2011-10-26 9:59 ` Johannes Berg [this message]
2011-10-26 17:53 ` Arik Nemtsov
2012-05-07 12:01 ` Janusz Dziedzic
2012-05-07 12:05 ` Johannes Berg
2012-05-07 12:21 ` Arik Nemtsov
2012-05-08 9:23 ` Janusz Dziedzic
2012-05-08 18:39 ` Arik Nemtsov
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