From: Alexander Aring <alex.aring@gmail.com>
To: Stefan Schmidt <stefan@osg.samsung.com>
Cc: linux-wpan@vger.kernel.org
Subject: Re: [PATCH bluetooth-next] ieee802154: 6lowpan: use correct ESC value for dispatch
Date: Thu, 3 Sep 2015 15:06:15 +0200 [thread overview]
Message-ID: <20150903130611.GA15117@omega> (raw)
In-Reply-To: <1441284859-22191-1-git-send-email-stefan@osg.samsung.com>
On Thu, Sep 03, 2015 at 02:54:19PM +0200, Stefan Schmidt wrote:
> The ESC dispatch value has some history and it originally was 0x7f in rfc4944
> (see section-5.1). With the release of rfc6282 this value got part of the
> LOWPAN_IPHC range and was no longer available for ESC. Instead 0x40 was used
> as replacement (see section-2 in rfc6282).
>
> We have been checking the dispatch byte in an order where IPHC would always be
> evaluated before ESC and thus we would never reach the ESC check as the IPHC
> range already covers this value.
>
> Signed-off-by: Stefan Schmidt <stefan@osg.samsung.com>
Acked-by: Alexander Aring <alex.aring@gmail.com>
next prev parent reply other threads:[~2015-09-03 13:06 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-03 12:54 [PATCH bluetooth-next] ieee802154: 6lowpan: use correct ESC value for dispatch Stefan Schmidt
2015-09-03 13:06 ` Alexander Aring [this message]
2015-09-03 14:07 ` Marcel Holtmann
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