incubator-nuttx/net/sixlowpan/sixlowpan_globals.c

60 lines
2.3 KiB
C

/****************************************************************************
* net/sixlowpan/sixlowpan_globals.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#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 */