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Date: Sat, 8 Aug 2009 12:23:17 +0400
From: Dmitry Eremin-Solenikov <dbaryshkov@...il.com>
To: netdev@...r.kernel.org
Cc: pekkas@...core.fi
Subject: 6lowpan: IPv6 encapsulation question
Hi,
We are going to work on the implementation of 6lowpan: the encapsulation
for IPv6 packets for IEEE 802.15.4 networks. RFC 4944 and several
following drafts from 6lowpan WG define several types of IPv6/UDP
headers compression, special fragmentation, ND, etc.
The question is: what is the most clean way to implement 6lowpan and to
hook it into the Linux kernel.
We've identified the following possible ways:
* Implement it just as a special net_device, accepting only IPv6 trafic,
and splitting/merging it on the top of our IEEE 802.15.4 net_devices
* Implement transmission/fragmentation by hooking into neighbouring output
routines
* Implement transmission/fragmentation by hooking into dst->output
routines
* Just hook into IPv6 stack by checking for ARPHRD_IEEE802154 devices
* ???
--
With best wishes
Dmitry
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