/**************************************************************************** * net/sixlowpan/sixlowpan_globals.c * * Copyright (C) 2017, 2020 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * 3. Neither the name NuttX nor the names of its contributors may be * used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************/ /**************************************************************************** * Included Files ****************************************************************************/ #include #include "sixlowpan/sixlowpan_internal.h" #ifdef CONFIG_NET_6LOWPAN /**************************************************************************** * Public Data ****************************************************************************/ /* The following data values are used to hold intermediate settings while * processing IEEE802.15.4 frames. These globals are shared with incoming * and outgoing frame processing and possibly with multiple IEEE802.15.4 MAC * devices. The network lock provides exclusive use of these globals * during that processing. */ /* g_uncomp_hdrlen is the length of the headers before compression (if HC2 * is used this includes the UDP header in addition to the IP header). */ uint8_t g_uncomp_hdrlen; /* g_frame_hdrlen is the total length of (the processed) 6lowpan headers * (fragment headers, IPV6 or HC1, HC2, and HC1 and HC2 non compressed * fields). */ uint8_t g_frame_hdrlen; /**************************************************************************** * Public Functions ****************************************************************************/ #endif /* CONFIG_NET_6LOWPAN */