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| author | Stefan Schmidt <stefan@osg.samsung.com> | 2015-12-09 22:46:24 +0100 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2015-12-10 01:25:24 +0100 |
| commit | 70cc86752e59ec26fcd31679b1eef23e8cb4b516 (patch) | |
| tree | 95549e65a00be8f40eb84c8eae3a40e3abd68ed1 | |
| parent | 7e568f50c19c731938fee24a0f048f35120080f3 (diff) | |
| download | linux-70cc86752e59ec26fcd31679b1eef23e8cb4b516.tar.bz2 | |
6lowpan: add nhc module for GHC UDP 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 | 5 | ||||
| -rw-r--r-- | net/6lowpan/Makefile | 1 | ||||
| -rw-r--r-- | net/6lowpan/nhc_ghc_udp.c | 27 |
3 files changed, 33 insertions, 0 deletions
diff --git a/net/6lowpan/Kconfig b/net/6lowpan/Kconfig index 1bd49ebb1789..94d517893432 100644 --- a/net/6lowpan/Kconfig +++ b/net/6lowpan/Kconfig @@ -65,4 +65,9 @@ config 6LOWPAN_GHC_EXT_HDR_HOP 6LoWPAN IPv6 Hop-by-Hop option generic header compression according to RFC7400. +config 6LOWPAN_GHC_UDP + tristate "GHC UDP Support" + ---help--- + 6LoWPAN IPv6 UDP generic header compression according to RFC7400. + endif diff --git a/net/6lowpan/Makefile b/net/6lowpan/Makefile index ba20e01b3e42..5e4f2f3a2f57 100644 --- a/net/6lowpan/Makefile +++ b/net/6lowpan/Makefile @@ -13,3 +13,4 @@ obj-$(CONFIG_6LOWPAN_NHC_UDP) += nhc_udp.o #rfc7400 ghcs obj-$(CONFIG_6LOWPAN_GHC_EXT_HDR_HOP) += nhc_ghc_ext_hop.o +obj-$(CONFIG_6LOWPAN_GHC_UDP) += nhc_ghc_udp.o diff --git a/net/6lowpan/nhc_ghc_udp.c b/net/6lowpan/nhc_ghc_udp.c new file mode 100644 index 000000000000..17beefa52ca8 --- /dev/null +++ b/net/6lowpan/nhc_ghc_udp.c @@ -0,0 +1,27 @@ +/* + * 6LoWPAN UDP 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_UDP_IDLEN 1 +#define LOWPAN_GHC_UDP_ID_0 0xd0 +#define LOWPAN_GHC_UDP_MASK_0 0xf8 + +static void udp_ghid_setup(struct lowpan_nhc *nhc) +{ + nhc->id[0] = LOWPAN_GHC_UDP_ID_0; + nhc->idmask[0] = LOWPAN_GHC_UDP_MASK_0; +} + +LOWPAN_NHC(ghc_udp, "RFC7400 UDP", NEXTHDR_UDP, 0, + udp_ghid_setup, LOWPAN_GHC_UDP_IDLEN, NULL, NULL); + +module_lowpan_nhc(ghc_udp); +MODULE_DESCRIPTION("6LoWPAN generic header UDP compression"); +MODULE_LICENSE("GPL"); |