Return-Path: From: Stefan Schmidt To: linux-wpan@vger.kernel.org Cc: Alexander Aring , Jukka Rissanen , linux-bluetooth@vger.kernel.org, Stefan Schmidt Subject: [PATCH v2 bluetooth-next 2/7] 6lowpan: add nhc module for GHC hop-by-hopextension header detection Date: Wed, 25 Nov 2015 15:59:12 +0100 Message-Id: <1448463557-22618-3-git-send-email-stefan@osg.samsung.com> In-Reply-To: <1448463557-22618-1-git-send-email-stefan@osg.samsung.com> References: <1448463557-22618-1-git-send-email-stefan@osg.samsung.com> Sender: linux-wpan-owner@vger.kernel.org List-ID: Signed-off-by: Stefan Schmidt --- net/6lowpan/Kconfig | 6 ++++++ net/6lowpan/Makefile | 3 +++ net/6lowpan/nhc_ghc_ext_hop.c | 27 +++++++++++++++++++++++++++ 3 files changed, 36 insertions(+) create mode 100644 net/6lowpan/nhc_ghc_ext_hop.c diff --git a/net/6lowpan/Kconfig b/net/6lowpan/Kconfig index 6af7a46..1bd49eb 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 c6ffc55..ba20e01 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 0000000..baec86f --- /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"); -- 2.4.3