From patchwork Wed Dec 9 21:46:24 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Aring X-Patchwork-Id: 554820 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 6400C1402A9 for ; Thu, 10 Dec 2015 08:48:34 +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=fZHy5IXy; dkim-atps=neutral Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754008AbbLIVs3 (ORCPT ); Wed, 9 Dec 2015 16:48:29 -0500 Received: from mail-wm0-f45.google.com ([74.125.82.45]:34904 "EHLO mail-wm0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753969AbbLIVr2 (ORCPT ); Wed, 9 Dec 2015 16:47:28 -0500 Received: by wmuu63 with SMTP id u63so240961791wmu.0; Wed, 09 Dec 2015 13:47:27 -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=CFNDa8BMMiEcw9owADIQT6Hlo+YHbqPoD9C3bDaC2vo=; b=fZHy5IXyqX0gSirXajQEhfL0t1xzrHsb+C3KP+vAMY5F6MposHwKaVGW20iRbCwem5 9QP6FBc5A46+W8oxjKDXzkE0JJEUf3TwyBdl92GXtRE1szIRP4EbVAxW3WgdgUBMqK0a 0m+i3wuYMz7Fz378A0PpZ5KRzkDqbt9SUmoXiUc7xrwqHQBnZQyrYyfFOZTrXDeXOlQU cky1Hrsot4ijQ2IhCCHEmqQ10WqrIhLfO8J3Svf1vjmMLWaDmW5hmanjGOchT6vBzqsd JTwGz2vaL0V6b6WKFQKj59TnFFSzulXQMZIuR4H5iorZrDa+yl+/dyqLoThyVLBwYWCs O1NQ== X-Received: by 10.28.9.138 with SMTP id 132mr13813137wmj.19.1449697647483; Wed, 09 Dec 2015 13:47:27 -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.18.2015.12.09.13.47.26 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 09 Dec 2015 13:47:26 -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 03/10] 6lowpan: add nhc module for GHC UDP detection Date: Wed, 9 Dec 2015 22:46:24 +0100 Message-Id: <1449697591-15991-4-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 | 5 +++++ net/6lowpan/Makefile | 1 + net/6lowpan/nhc_ghc_udp.c | 27 +++++++++++++++++++++++++++ 3 files changed, 33 insertions(+) create mode 100644 net/6lowpan/nhc_ghc_udp.c diff --git a/net/6lowpan/Kconfig b/net/6lowpan/Kconfig index 1bd49eb..94d5178 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 ba20e01..5e4f2f3 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 0000000..17beefa --- /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");