diff options
author | Stefan Schmidt <stefan@osg.samsung.com> | 2015-12-09 22:46:23 +0100 |
---|---|---|
committer | Marcel Holtmann <marcel@holtmann.org> | 2015-12-10 01:25:24 +0100 |
commit | 7e568f50c19c731938fee24a0f048f35120080f3 (patch) | |
tree | c8eebf5817e5457dcfc3687eafcccbe6a580074c /net/6lowpan/nhc_ghc_ext_hop.c | |
parent | 5e5c08cbee7d75d026ff50a5051f2ed19b4ba301 (diff) | |
download | lwn-7e568f50c19c731938fee24a0f048f35120080f3.tar.gz lwn-7e568f50c19c731938fee24a0f048f35120080f3.zip |
6lowpan: add nhc module for GHC hop-by-hopextension 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>
Diffstat (limited to 'net/6lowpan/nhc_ghc_ext_hop.c')
-rw-r--r-- | net/6lowpan/nhc_ghc_ext_hop.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/net/6lowpan/nhc_ghc_ext_hop.c b/net/6lowpan/nhc_ghc_ext_hop.c new file mode 100644 index 000000000000..baec86fd1974 --- /dev/null +++ b/net/6lowpan/nhc_ghc_ext_hop.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_HOP_IDLEN 1 +#define LOWPAN_GHC_EXT_HOP_ID_0 0xb0 +#define LOWPAN_GHC_EXT_HOP_MASK_0 0xfe + +static void hop_ghid_setup(struct lowpan_nhc *nhc) +{ + nhc->id[0] = LOWPAN_GHC_EXT_HOP_ID_0; + nhc->idmask[0] = LOWPAN_GHC_EXT_HOP_MASK_0; +} + +LOWPAN_NHC(ghc_ext_hop, "RFC7400 Hop-by-Hop Extension Header", NEXTHDR_HOP, 0, + hop_ghid_setup, LOWPAN_GHC_EXT_HOP_IDLEN, NULL, NULL); + +module_lowpan_nhc(ghc_ext_hop); +MODULE_DESCRIPTION("6LoWPAN generic header hop-by-hop extension compression"); +MODULE_LICENSE("GPL"); |