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Date:	Thu, 7 Aug 2014 14:37:38 +0200
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Alexander Aring <alex.aring@...il.com>
Cc:	linux-bluetooth@...r.kernel.org,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Modular 6LoWPAN? (was: Re: 6lowpan: introduce new net/6lowpan directory)

Hi Alexander,

On Wed, Aug 6, 2014 at 6:46 PM, Linux Kernel Mailing List
<linux-kernel@...r.kernel.org> wrote:
> Gitweb:     http://git.kernel.org/linus/;a=commit;h=2c6bed7cfcd3f594ed9e4d6919fa2ebea2243d19
> Commit:     2c6bed7cfcd3f594ed9e4d6919fa2ebea2243d19
> Parent:     6c53823ae0e10e723131055e1e65dd6a328a228e
> Refname:    refs/heads/master
> Author:     Alexander Aring <alex.aring@...il.com>
> AuthorDate: Fri Jul 11 10:24:18 2014 +0200
> Committer:  Marcel Holtmann <marcel@...tmann.org>
> CommitDate: Sat Jul 12 01:53:30 2014 +0200
>
>     6lowpan: introduce new net/6lowpan directory
>
>     This patch moves generic code which is used by bluetooth and ieee802154
>     6lowpan to a new net/6lowpan directory. This directory contains generic
>     6LoWPAN code which is shared between bluetooth and ieee802154 MAC-Layer.
>
>     This is the IPHC - "IPv6 Header Compression" format at the moment. Which
>     is described by RFC 6282 [0]. The BLTE 6LoWPAN draft describes that the
>     IPHC is the same format like IEEE 802.15.4, see [1].
>
>     Futuremore we can put more code into this directory which is shared
>     between BLTE and IEEE 802.15.4 6LoWPAN like RFC 6775 or the routing
>     protocol RPL RFC 6550.
>
>     To avoid naming conflicts I renamed 6lowpan-y to ieee802154_6lowpan-y
>     in net/ieee802154/Makefile.
>
>     [0] http://tools.ietf.org/html/rfc6282
>     [1] http://tools.ietf.org/html/draft-ietf-6lowpan-btle-12#section-3.2
>     [2] http://tools.ietf.org/html/rfc6775
>     [3] http://tools.ietf.org/html/rfc6550
>
>     Signed-off-by: Alexander Aring <alex.aring@...il.com>
>     Acked-by: Jukka Rissanen <jukka.rissanen@...ux.intel.com>
>     Signed-off-by: Marcel Holtmann <marcel@...tmann.org>

> --- /dev/null
> +++ b/net/6lowpan/Kconfig
> @@ -0,0 +1,6 @@
> +config 6LOWPAN
> +       bool "6LoWPAN Support"

Is there any specific reason 6LOWPAN is bool instead of tristate?
IPV6 can be modular.

> +       depends on IPV6
> +       ---help---
> +         This enables IPv6 over Low power Wireless Personal Area Network -
> +         "6LoWPAN" which is supported by IEEE 802.15.4 or Bluetooth stacks.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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