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Date:	Wed, 17 Jan 2007 11:23:24 -0600
From:	Larry Finger <>
To:	Brandon Craig Rhodes <>
Subject: Re: TKIP encryption should allocate enough tailroom

Brandon Craig Rhodes wrote:
> Having further reviewed my code, I have changed my mind; the
> ieee80211_crypt_tkip routines are not designed to be responsible for
> creating enough headroom and tailroom.  The "hostap" driver should be
> doing this.  In fact, I now see that the "hostap" driver actually
> attempts to create enough headroom and tailroom, but computes them
> incorrectly.
> I will, per the MAINTAINERS file, head back to the hostap mailing list
> with a patch for hostap_80211_tx.c - this time, CC'ing the official
> maintainer, as I ought; thank you, Michael Wu, for making me aware of
> that bit of courtesy.

This makes sense. I have used the bcm43xx driver with WPA-PSK TKIP encryption for at least a year,
and I have never seen this error.


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