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| author | Stefan Schmidt <stefan@osg.samsung.com> | 2015-12-09 22:46:27 +0100 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2015-12-10 01:25:25 +0100 |
| commit | 2f4799478c94928802c79edd12711a0e9e8b6f1b (patch) | |
| tree | b02bb1cc08d9a7f7c1dca8a7044282d689ceeb1e /net/6lowpan | |
| parent | 20616a5a1e3bb47c385c6d5f27520e7a3cc82864 (diff) | |
| download | lwn-2f4799478c94928802c79edd12711a0e9e8b6f1b.tar.gz lwn-2f4799478c94928802c79edd12711a0e9e8b6f1b.zip | |
6lowpan: add nhc module for GHC fragmentation 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>
Diffstat (limited to 'net/6lowpan')
| -rw-r--r-- | net/6lowpan/Kconfig | 6 | ||||
| -rw-r--r-- | net/6lowpan/Makefile | 1 | ||||
| -rw-r--r-- | net/6lowpan/nhc_ghc_ext_frag.c | 28 |
3 files changed, 35 insertions, 0 deletions
diff --git a/net/6lowpan/Kconfig b/net/6lowpan/Kconfig index e5184e65d4d3..13abcc56eae6 100644 --- a/net/6lowpan/Kconfig +++ b/net/6lowpan/Kconfig @@ -81,4 +81,10 @@ config 6LOWPAN_GHC_EXT_HDR_DEST 6LoWPAN IPv6 destination option generic header compression according to RFC7400. +config 6LOWPAN_GHC_EXT_HDR_FRAG + tristate "GHC Fragmentation Options Header Support" + ---help--- + 6LoWPAN IPv6 fragmentation option generic header compression + according to RFC7400. + endif diff --git a/net/6lowpan/Makefile b/net/6lowpan/Makefile index fc4bac00bd20..fb3f48d78604 100644 --- a/net/6lowpan/Makefile +++ b/net/6lowpan/Makefile @@ -16,3 +16,4 @@ obj-$(CONFIG_6LOWPAN_GHC_EXT_HDR_HOP) += nhc_ghc_ext_hop.o obj-$(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 diff --git a/net/6lowpan/nhc_ghc_ext_frag.c b/net/6lowpan/nhc_ghc_ext_frag.c new file mode 100644 index 000000000000..1308b79e939d --- /dev/null +++ b/net/6lowpan/nhc_ghc_ext_frag.c @@ -0,0 +1,28 @@ +/* + * 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_FRAG_IDLEN 1 +#define LOWPAN_GHC_EXT_FRAG_ID_0 0xb4 +#define LOWPAN_GHC_EXT_FRAG_MASK_0 0xfe + +static void frag_ghid_setup(struct lowpan_nhc *nhc) +{ + nhc->id[0] = LOWPAN_GHC_EXT_FRAG_ID_0; + nhc->idmask[0] = LOWPAN_GHC_EXT_FRAG_MASK_0; +} + +LOWPAN_NHC(ghc_ext_frag, "RFC7400 Fragmentation Extension Header", + NEXTHDR_FRAGMENT, 0, frag_ghid_setup, + LOWPAN_GHC_EXT_FRAG_IDLEN, NULL, NULL); + +module_lowpan_nhc(ghc_ext_frag); +MODULE_DESCRIPTION("6LoWPAN generic header fragmentation extension compression"); +MODULE_LICENSE("GPL"); |