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https://github.com/RIOT-OS/RIOT.git
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100 lines
2.2 KiB
C
100 lines
2.2 KiB
C
/*
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* Copyright (C) 2015 Martine Lenders <mlenders@inf.fu-berlin.de>
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @defgroup net_ng_sixlowpan 6LoWPAN
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* @ingroup net
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* @brief 6LoWPAN implementation
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* @{
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*
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* @file
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* @brief Definitions for 6LoWPAN
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*
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* @author Martine Lenders <mlenders@inf.fu-berlin.de>
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*/
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#ifndef NG_SIXLOWPAN_H_
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#define NG_SIXLOWPAN_H_
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#include <stdbool.h>
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#include "kernel_types.h"
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#include "net/ng_sixlowpan/frag.h"
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#include "net/ng_sixlowpan/iphc.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Default stack size to use for the 6LoWPAN thread.
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*/
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#ifndef NG_SIXLOWPAN_STACK_SIZE
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#define NG_SIXLOWPAN_STACK_SIZE (THREAD_STACKSIZE_DEFAULT)
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#endif
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/**
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* @brief Default priority for the 6LoWPAN thread.
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*/
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#ifndef NG_SIXLOWPAN_PRIO
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#define NG_SIXLOWPAN_PRIO (THREAD_PRIORITY_MAIN - 4)
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#endif
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/**
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* @brief Default message queue size to use for the 6LoWPAN thread.
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*/
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#ifndef NG_SIXLOWPAN_MSG_QUEUE_SIZE
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#define NG_SIXLOWPAN_MSG_QUEUE_SIZE (8U)
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#endif
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/**
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* @brief Dispatch for uncompressed 6LoWPAN frame.
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*/
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#define NG_SIXLOWPAN_UNCOMPRESSED (0x41)
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/**
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* @brief Checks if dispatch indicates that frame is not a 6LoWPAN (NALP) frame.
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*
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* @param[in] disp The first byte of a frame.
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*
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* @return true, if frame is a NALP.
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* @return false, if frame is not a NALP.
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*/
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static inline bool ng_sixlowpan_nalp(uint8_t disp)
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{
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return (disp & 0x3f);
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}
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/**
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* @brief Initialization of the 6LoWPAN thread.
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*
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* @details If 6LoWPAN was already initialized, it will just return the PID of
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* the 6LoWPAN thread.
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*
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* @return The PID to the 6LoWPAN thread, on success.
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* @return -EINVAL, if @ref NG_SIXLOWPAN_PRIO was greater than or equal to
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* @ref SCHED_PRIO_LEVELS
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* @return -EOVERFLOW, if there are too many threads running already in general
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*/
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kernel_pid_t ng_sixlowpan_init(void);
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/**
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* @brief Prints 6LoWPAN dispatch to stdout.
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*
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* @param[in] data A 6LoWPAN frame.
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* @param[in] size Size of @p data.
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*/
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void ng_sixlowpan_print(uint8_t *data, size_t size);
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#ifdef __cplusplus
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}
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#endif
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#endif /* NG_SIXLOWPAN_H_ */
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/** @} */
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