Return-Path: From: Alexander Aring To: linux-bluetooth@vger.kernel.org Cc: linux-wpan@vger.kernel.org, kernel@pengutronix.de, Alexander Aring , Jukka Rissanen , Martin Townsend Subject: [PATCHv5 bluetooth-next 3/3] 6lowpan: nhc: add other known rfc6282 compressions Date: Fri, 9 Jan 2015 16:42:59 +0100 Message-Id: <1420818179-18585-4-git-send-email-alex.aring@gmail.com> In-Reply-To: <1420818179-18585-1-git-send-email-alex.aring@gmail.com> References: <1420818179-18585-1-git-send-email-alex.aring@gmail.com> Sender: linux-wpan-owner@vger.kernel.org List-ID: This patch adds other known rfc6282 compression formats to the nhc framework. These compression formats are known but not implemented yet. For now this is useful to printout a warning which compression format isn't supported. Signed-off-by: Alexander Aring Cc: Jukka Rissanen Cc: Martin Townsend --- net/6lowpan/Kconfig | 38 ++++++++++++++++++++++++++++++++++++++ net/6lowpan/Makefile | 6 ++++++ net/6lowpan/iphc.c | 6 ++++++ net/6lowpan/nhc_dest.c | 28 ++++++++++++++++++++++++++++ net/6lowpan/nhc_fragment.c | 27 +++++++++++++++++++++++++++ net/6lowpan/nhc_hop.c | 27 +++++++++++++++++++++++++++ net/6lowpan/nhc_ipv6.c | 27 +++++++++++++++++++++++++++ net/6lowpan/nhc_mobility.c | 27 +++++++++++++++++++++++++++ net/6lowpan/nhc_routing.c | 27 +++++++++++++++++++++++++++ 9 files changed, 213 insertions(+) create mode 100644 net/6lowpan/nhc_dest.c create mode 100644 net/6lowpan/nhc_fragment.c create mode 100644 net/6lowpan/nhc_hop.c create mode 100644 net/6lowpan/nhc_ipv6.c create mode 100644 net/6lowpan/nhc_mobility.c create mode 100644 net/6lowpan/nhc_routing.c diff --git a/net/6lowpan/Kconfig b/net/6lowpan/Kconfig index e45c963..7fa0f38 100644 --- a/net/6lowpan/Kconfig +++ b/net/6lowpan/Kconfig @@ -14,6 +14,44 @@ menuconfig 6LOWPAN_NHC if 6LOWPAN_NHC +config 6LOWPAN_NHC_DEST + tristate "Destination Options Header Support" + default y + ---help--- + 6LoWPAN IPv6 Destination Options Header compression according to + RFC6282. + +config 6LOWPAN_NHC_FRAGMENT + tristate "Fragment Header Support" + default y + ---help--- + 6LoWPAN IPv6 Fragment Header compression according to RFC6282. + +config 6LOWPAN_NHC_HOP + tristate "Hop-by-Hop Options Header Support" + default y + ---help--- + 6LoWPAN IPv6 Hop-by-Hop Options Header compression according to + RFC6282. + +config 6LOWPAN_NHC_IPV6 + tristate "IPv6 Header Support" + default y + ---help--- + 6LoWPAN IPv6 Header compression according to RFC6282. + +config 6LOWPAN_NHC_MOBILITY + tristate "Mobility Header Support" + default y + ---help--- + 6LoWPAN IPv6 Mobility Header compression according to RFC6282. + +config 6LOWPAN_NHC_ROUTING + tristate "Routing Header Support" + default y + ---help--- + 6LoWPAN IPv6 Routing Header compression according to RFC6282. + config 6LOWPAN_NHC_UDP tristate "UDP Header Support" default y diff --git a/net/6lowpan/Makefile b/net/6lowpan/Makefile index abf551d..eb8baa7 100644 --- a/net/6lowpan/Makefile +++ b/net/6lowpan/Makefile @@ -3,4 +3,10 @@ obj-$(CONFIG_6LOWPAN) += 6lowpan.o 6lowpan-y := iphc.o nhc.o #rfc6282 nhcs +obj-$(CONFIG_6LOWPAN_NHC_DEST) += nhc_dest.o +obj-$(CONFIG_6LOWPAN_NHC_FRAGMENT) += nhc_fragment.o +obj-$(CONFIG_6LOWPAN_NHC_HOP) += nhc_hop.o +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 diff --git a/net/6lowpan/iphc.c b/net/6lowpan/iphc.c index 390bdd9..94a375c 100644 --- a/net/6lowpan/iphc.c +++ b/net/6lowpan/iphc.c @@ -613,6 +613,12 @@ EXPORT_SYMBOL_GPL(lowpan_header_compress); static int __init lowpan_module_init(void) { + request_module_nowait("nhc_dest"); + request_module_nowait("nhc_fragment"); + request_module_nowait("nhc_hop"); + request_module_nowait("nhc_ipv6"); + request_module_nowait("nhc_mobility"); + request_module_nowait("nhc_routing"); request_module_nowait("nhc_udp"); return 0; diff --git a/net/6lowpan/nhc_dest.c b/net/6lowpan/nhc_dest.c new file mode 100644 index 0000000..0b292c9 --- /dev/null +++ b/net/6lowpan/nhc_dest.c @@ -0,0 +1,28 @@ +/* + * 6LoWPAN IPv6 Destination Options Header compression according to + * RFC6282 + * + * 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_NHC_DEST_IDLEN 1 +#define LOWPAN_NHC_DEST_ID_0 0xe6 +#define LOWPAN_NHC_DEST_MASK_0 0xfe + +static void dest_nhid_setup(struct lowpan_nhc *nhc) +{ + nhc->id[0] = LOWPAN_NHC_DEST_ID_0; + nhc->idmask[0] = LOWPAN_NHC_DEST_MASK_0; +} + +LOWPAN_NHC(nhc_dest, "RFC6282 Destination Options", NEXTHDR_DEST, 0, + dest_nhid_setup, LOWPAN_NHC_DEST_IDLEN, NULL, NULL); + +module_lowpan_nhc(nhc_dest); +MODULE_DESCRIPTION("6LoWPAN next header RFC6282 Destination Options compression"); +MODULE_LICENSE("GPL"); diff --git a/net/6lowpan/nhc_fragment.c b/net/6lowpan/nhc_fragment.c new file mode 100644 index 0000000..473dbc5 --- /dev/null +++ b/net/6lowpan/nhc_fragment.c @@ -0,0 +1,27 @@ +/* + * 6LoWPAN IPv6 Fragment Header compression according to RFC6282 + * + * 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_NHC_FRAGMENT_IDLEN 1 +#define LOWPAN_NHC_FRAGMENT_ID_0 0xe4 +#define LOWPAN_NHC_FRAGMENT_MASK_0 0xfe + +static void fragment_nhid_setup(struct lowpan_nhc *nhc) +{ + nhc->id[0] = LOWPAN_NHC_FRAGMENT_ID_0; + nhc->idmask[0] = LOWPAN_NHC_FRAGMENT_MASK_0; +} + +LOWPAN_NHC(nhc_fragment, "RFC6282 Fragment", NEXTHDR_FRAGMENT, 0, + fragment_nhid_setup, LOWPAN_NHC_FRAGMENT_IDLEN, NULL, NULL); + +module_lowpan_nhc(nhc_fragment); +MODULE_DESCRIPTION("6LoWPAN next header RFC6282 Fragment compression"); +MODULE_LICENSE("GPL"); diff --git a/net/6lowpan/nhc_hop.c b/net/6lowpan/nhc_hop.c new file mode 100644 index 0000000..1eb66be --- /dev/null +++ b/net/6lowpan/nhc_hop.c @@ -0,0 +1,27 @@ +/* + * 6LoWPAN IPv6 Hop-by-Hop Options Header compression according to RFC6282 + * + * 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_NHC_HOP_IDLEN 1 +#define LOWPAN_NHC_HOP_ID_0 0xe0 +#define LOWPAN_NHC_HOP_MASK_0 0xfe + +static void hop_nhid_setup(struct lowpan_nhc *nhc) +{ + nhc->id[0] = LOWPAN_NHC_HOP_ID_0; + nhc->idmask[0] = LOWPAN_NHC_HOP_MASK_0; +} + +LOWPAN_NHC(nhc_hop, "RFC6282 Hop-by-Hop Options", NEXTHDR_HOP, 0, + hop_nhid_setup, LOWPAN_NHC_HOP_IDLEN, NULL, NULL); + +module_lowpan_nhc(nhc_hop); +MODULE_DESCRIPTION("6LoWPAN next header RFC6282 Hop-by-Hop Options compression"); +MODULE_LICENSE("GPL"); diff --git a/net/6lowpan/nhc_ipv6.c b/net/6lowpan/nhc_ipv6.c new file mode 100644 index 0000000..2313d16 --- /dev/null +++ b/net/6lowpan/nhc_ipv6.c @@ -0,0 +1,27 @@ +/* + * 6LoWPAN IPv6 Header compression according to RFC6282 + * + * 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_NHC_IPV6_IDLEN 1 +#define LOWPAN_NHC_IPV6_ID_0 0xee +#define LOWPAN_NHC_IPV6_MASK_0 0xfe + +static void ipv6_nhid_setup(struct lowpan_nhc *nhc) +{ + nhc->id[0] = LOWPAN_NHC_IPV6_ID_0; + nhc->idmask[0] = LOWPAN_NHC_IPV6_MASK_0; +} + +LOWPAN_NHC(nhc_ipv6, "RFC6282 IPv6", NEXTHDR_IPV6, 0, ipv6_nhid_setup, + LOWPAN_NHC_IPV6_IDLEN, NULL, NULL); + +module_lowpan_nhc(nhc_ipv6); +MODULE_DESCRIPTION("6LoWPAN next header RFC6282 IPv6 compression"); +MODULE_LICENSE("GPL"); diff --git a/net/6lowpan/nhc_mobility.c b/net/6lowpan/nhc_mobility.c new file mode 100644 index 0000000..60d3f38 --- /dev/null +++ b/net/6lowpan/nhc_mobility.c @@ -0,0 +1,27 @@ +/* + * 6LoWPAN IPv6 Mobility Header compression according to RFC6282 + * + * 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_NHC_MOBILITY_IDLEN 1 +#define LOWPAN_NHC_MOBILITY_ID_0 0xe8 +#define LOWPAN_NHC_MOBILITY_MASK_0 0xfe + +static void mobility_nhid_setup(struct lowpan_nhc *nhc) +{ + nhc->id[0] = LOWPAN_NHC_MOBILITY_ID_0; + nhc->idmask[0] = LOWPAN_NHC_MOBILITY_MASK_0; +} + +LOWPAN_NHC(nhc_mobility, "RFC6282 Mobility", NEXTHDR_MOBILITY, 0, + mobility_nhid_setup, LOWPAN_NHC_MOBILITY_IDLEN, NULL, NULL); + +module_lowpan_nhc(nhc_mobility); +MODULE_DESCRIPTION("6LoWPAN next header RFC6282 Mobility compression"); +MODULE_LICENSE("GPL"); diff --git a/net/6lowpan/nhc_routing.c b/net/6lowpan/nhc_routing.c new file mode 100644 index 0000000..c393280 --- /dev/null +++ b/net/6lowpan/nhc_routing.c @@ -0,0 +1,27 @@ +/* + * 6LoWPAN IPv6 Routing Header compression according to RFC6282 + * + * 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_NHC_ROUTING_IDLEN 1 +#define LOWPAN_NHC_ROUTING_ID_0 0xe2 +#define LOWPAN_NHC_ROUTING_MASK_0 0xfe + +static void routing_nhid_setup(struct lowpan_nhc *nhc) +{ + nhc->id[0] = LOWPAN_NHC_ROUTING_ID_0; + nhc->idmask[0] = LOWPAN_NHC_ROUTING_MASK_0; +} + +LOWPAN_NHC(nhc_routing, "RFC6282 Routing", NEXTHDR_ROUTING, 0, + routing_nhid_setup, LOWPAN_NHC_ROUTING_IDLEN, NULL, NULL); + +module_lowpan_nhc(nhc_routing); +MODULE_DESCRIPTION("6LoWPAN next header RFC6282 Routing compression"); +MODULE_LICENSE("GPL"); -- 2.2.1