6lowpan: add nhc module for GHC routing extension header detection

Acked-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
Signed-off-by: Stefan Schmidt <stefan@osg.samsung.com>
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Stefan Schmidt 2015-12-09 22:46:28 +01:00 committed by Marcel Holtmann
parent 2f4799478c
commit 43f26e17d0
3 changed files with 34 additions and 0 deletions

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@ -87,4 +87,10 @@ config 6LOWPAN_GHC_EXT_HDR_FRAG
6LoWPAN IPv6 fragmentation option generic header compression
according to RFC7400.
config 6LOWPAN_GHC_EXT_HDR_ROUTE
tristate "GHC Routing Options Header Support"
---help---
6LoWPAN IPv6 routing option generic header compression according
to RFC7400.
endif

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@ -17,3 +17,4 @@ obj-$(CONFIG_6LOWPAN_GHC_UDP) += nhc_ghc_udp.o
obj-$(CONFIG_6LOWPAN_GHC_ICMPV6) += nhc_ghc_icmpv6.o
obj-$(CONFIG_6LOWPAN_GHC_EXT_HDR_DEST) += nhc_ghc_ext_dest.o
obj-$(CONFIG_6LOWPAN_GHC_EXT_HDR_FRAG) += nhc_ghc_ext_frag.o
obj-$(CONFIG_6LOWPAN_GHC_EXT_HDR_ROUTE) += nhc_ghc_ext_route.o

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@ -0,0 +1,27 @@
/*
* 6LoWPAN Extension Header compression according to RFC7400
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#include "nhc.h"
#define LOWPAN_GHC_EXT_ROUTE_IDLEN 1
#define LOWPAN_GHC_EXT_ROUTE_ID_0 0xb2
#define LOWPAN_GHC_EXT_ROUTE_MASK_0 0xfe
static void route_ghid_setup(struct lowpan_nhc *nhc)
{
nhc->id[0] = LOWPAN_GHC_EXT_ROUTE_ID_0;
nhc->idmask[0] = LOWPAN_GHC_EXT_ROUTE_MASK_0;
}
LOWPAN_NHC(ghc_ext_route, "RFC7400 Routing Extension Header", NEXTHDR_ROUTING,
0, route_ghid_setup, LOWPAN_GHC_EXT_ROUTE_IDLEN, NULL, NULL);
module_lowpan_nhc(ghc_ext_route);
MODULE_DESCRIPTION("6LoWPAN generic header routing extension compression");
MODULE_LICENSE("GPL");