From 20616a5a1e3bb47c385c6d5f27520e7a3cc82864 Mon Sep 17 00:00:00 2001 From: Stefan Schmidt Date: Wed, 9 Dec 2015 22:46:26 +0100 Subject: 6lowpan: add nhc module for GHC destination extension header detection Acked-by: Jukka Rissanen Signed-off-by: Stefan Schmidt Signed-off-by: Alexander Aring Signed-off-by: Marcel Holtmann --- net/6lowpan/nhc_ghc_ext_dest.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 net/6lowpan/nhc_ghc_ext_dest.c (limited to 'net/6lowpan/nhc_ghc_ext_dest.c') diff --git a/net/6lowpan/nhc_ghc_ext_dest.c b/net/6lowpan/nhc_ghc_ext_dest.c new file mode 100644 index 000000000000..9887b3a15348 --- /dev/null +++ b/net/6lowpan/nhc_ghc_ext_dest.c @@ -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_DEST_IDLEN 1 +#define LOWPAN_GHC_EXT_DEST_ID_0 0xb6 +#define LOWPAN_GHC_EXT_DEST_MASK_0 0xfe + +static void dest_ghid_setup(struct lowpan_nhc *nhc) +{ + nhc->id[0] = LOWPAN_GHC_EXT_DEST_ID_0; + nhc->idmask[0] = LOWPAN_GHC_EXT_DEST_MASK_0; +} + +LOWPAN_NHC(ghc_ext_dest, "RFC7400 Destination Extension Header", NEXTHDR_DEST, + 0, dest_ghid_setup, LOWPAN_GHC_EXT_DEST_IDLEN, NULL, NULL); + +module_lowpan_nhc(ghc_ext_dest); +MODULE_DESCRIPTION("6LoWPAN generic header destination extension compression"); +MODULE_LICENSE("GPL"); -- cgit v1.2.3