From patchwork Wed Dec 9 21:46:23 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Aring X-Patchwork-Id: 554819 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 62AB31402D6 for ; Thu, 10 Dec 2015 08:48:26 +1100 (AEDT) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b=t9VzYx1o; dkim-atps=neutral Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754000AbbLIVr3 (ORCPT ); Wed, 9 Dec 2015 16:47:29 -0500 Received: from mail-wm0-f51.google.com ([74.125.82.51]:36142 "EHLO mail-wm0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753940AbbLIVr1 (ORCPT ); Wed, 9 Dec 2015 16:47:27 -0500 Received: by wmww144 with SMTP id w144so240961079wmw.1; Wed, 09 Dec 2015 13:47:26 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=YVOjrIP2sfnx6EZVnNJmRFd4BLWMealtPMfpVUyN5Nk=; b=t9VzYx1oyZJfDdBsmxaInJo65C/3xpekTDeQVSl0gtvD6pTi+B2NmbF5jyf9jfts8/ vojmxMZFi68dHXpN+mA+x7hS8d1cE8BsOLchlCDCvXM9QXJ+HCoPyst+yzWFJEtMSv6B yEmpowro4owlLbzDdWTDGYWetBkMQjc3ZlC4lNCo9/QU07Nm4arkFm4OZK9xlR+NHkii AQiQ+ticZAKFDVmqrI33OYgYBzQVAMSy2zjiRlRgQ0pBDiq1RaKg+vvVhBaFwKobOnrL nJdiQ2BjVxXdNUaBy3ylIRUoFyQm8v6DY2YJFm7Kuu4WopVi9FVW/zLWbIhPGXXRDTXv hPRg== X-Received: by 10.28.148.147 with SMTP id w141mr14745177wmd.14.1449697645989; Wed, 09 Dec 2015 13:47:25 -0800 (PST) Received: from omega.localdomain (p20030064A928605CE2CB4EFFFE1BB546.dip0.t-ipconnect.de. [2003:64:a928:605c:e2cb:4eff:fe1b:b546]) by smtp.gmail.com with ESMTPSA id 143sm28074625wmv.18.2015.12.09.13.47.24 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 09 Dec 2015 13:47:25 -0800 (PST) From: Alexander Aring To: linux-wpan@vger.kernel.org Cc: linux-bluetooth@vger.kernel.org, netdev@vger.kernel.org, kernel@pengutronix.de, Stefan Schmidt , Alexander Aring Subject: [PATCH bluetooth-next 02/10] 6lowpan: add nhc module for GHC hop-by-hopextension header detection Date: Wed, 9 Dec 2015 22:46:23 +0100 Message-Id: <1449697591-15991-3-git-send-email-alex.aring@gmail.com> X-Mailer: git-send-email 2.6.1 In-Reply-To: <1449697591-15991-1-git-send-email-alex.aring@gmail.com> References: <1449697591-15991-1-git-send-email-alex.aring@gmail.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Stefan Schmidt Acked-by: Jukka Rissanen Signed-off-by: Stefan Schmidt Signed-off-by: Alexander Aring --- 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");