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| 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 | |
| parent | 6lowpan: clarify Kconfig entries for upcoming GHC support (diff) | |
| download | linux-7e568f50c19c731938fee24a0f048f35120080f3.tar.xz linux-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>
| -rw-r--r-- | net/6lowpan/Kconfig | 6 | ||||
| -rw-r--r-- | net/6lowpan/Makefile | 3 | ||||
| -rw-r--r-- | net/6lowpan/nhc_ghc_ext_hop.c | 27 |
3 files changed, 36 insertions, 0 deletions
diff --git a/net/6lowpan/Kconfig b/net/6lowpan/Kconfig index 6af7a4686060..1bd49ebb1789 100644 --- a/net/6lowpan/Kconfig +++ b/net/6lowpan/Kconfig @@ -59,4 +59,10 @@ config 6LOWPAN_NHC_UDP ---help--- 6LoWPAN IPv6 UDP Header compression according to RFC6282. +config 6LOWPAN_GHC_EXT_HDR_HOP + tristate "GHC Hop-by-Hop Options Header Support" + ---help--- + 6LoWPAN IPv6 Hop-by-Hop option generic header compression according + to RFC7400. + endif diff --git a/net/6lowpan/Makefile b/net/6lowpan/Makefile index c6ffc55ee0d7..ba20e01b3e42 100644 --- a/net/6lowpan/Makefile +++ b/net/6lowpan/Makefile @@ -10,3 +10,6 @@ obj-$(CONFIG_6LOWPAN_NHC_IPV6) += nhc_ipv6.o obj-$(CONFIG_6LOWPAN_NHC_MOBILITY) += nhc_mobility.o obj-$(CONFIG_6LOWPAN_NHC_ROUTING) += nhc_routing.o obj-$(CONFIG_6LOWPAN_NHC_UDP) += nhc_udp.o + +#rfc7400 ghcs +obj-$(CONFIG_6LOWPAN_GHC_EXT_HDR_HOP) += nhc_ghc_ext_hop.o 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"); |