a5fadb2ebe
- support draft-ietf-6tisch-6top-protocol-03 - maintain a sequence number per neighbor - rename variables and constants - reconsider file structure and file names - make sf-simple part of example - update sixtop/README.md - add regression-tests for 6tisch - apply C-DAC copyright notice - bugfix + cleanup
112 lines
3.8 KiB
C
112 lines
3.8 KiB
C
/*
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* Copyright (c) 2016, Yasuyuki Tanaka
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* \addtogroup sixtop
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* @{
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*/
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/**
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* \file
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* 6top Protocol (6P) APIs
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* \author
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* Yasuyuki Tanaka <yasuyuki.tanaka@inf.ethz.ch>
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*/
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#ifndef _SIXP_H_
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#define _SIXP_H_
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#include "net/linkaddr.h"
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#include "sys/clock.h"
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#include "sixp-pkt.h"
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#define SIXP_SUBIE_ID 0x00
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#ifdef SIXP_CONF_WITH_PAYLOAD_TERMINATION_IE
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#define SIXP_WITH_PAYLOAD_TERMINATION_IE SIXP_CONF_WITH_PAYLOAD_TERMINATION_IE
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#else
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#define SIXP_WITH_PAYLOAD_TERMINATION_IE 0
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#endif /* SIXP_CONF_WITH_PAYLOAD_TERMINATION_IE */
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/**
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* \brief The initial sequence number used for 6P request
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*/
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#define SIXP_INITIAL_SEQUENCE_NUMBER 0
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/**
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* \brief 6P Send Status, which represents sixp_output() result.
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*/
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typedef enum {
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SIXP_OUTPUT_STATUS_SUCCESS, /**< SUCCESS */
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SIXP_OUTPUT_STATUS_FAILURE /**< FAILURE */
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} sixp_output_status_t;
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/**
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* \brief 6P Packet Sent Handler
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*/
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typedef void (*sixp_sent_callback_t)(void *arg, uint16_t arg_len,
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const linkaddr_t *dest_addr,
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sixp_output_status_t status);
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/**
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* \brief Input a 6P packet
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* \param buf The pointer to a buffer pointing the head of 6top IE Content
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* \param len The lengh of 6top IE Content
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* \param src_addr The Source address of an incoming packet
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* \return 0 if , -1 on failure
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*/
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void sixp_input(const uint8_t *buf, uint16_t len,
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const linkaddr_t *src_addr);
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/**
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* \brief Output a 6P packet
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* \param type Message Type
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* \param code Message Code; Command ID or Return Code
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* \param sfid Scheduling Function Identifier
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* \param body 6top IE Content
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* \param body_len The length of 6top IE Content
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* \param dest_addr The destination Address
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* \param func callback function invoked after the transmission process
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* \param arg The pointer to an argument to be passed with the callback
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* \param arg_len The length of the argument
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* \return 0 on success, -1 on failure
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*/
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int sixp_output(sixp_pkt_type_t type, sixp_pkt_code_t code, uint8_t sfid,
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const uint8_t *body, uint16_t body_len,
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const linkaddr_t *dest_addr,
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sixp_sent_callback_t func, void *arg, uint16_t arg_len);
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/**
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* \brief Initialize 6P Module
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* It invokes sixp_nbr_init() and sixp_trans_init().
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*/
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void sixp_init(void);
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#endif /* ! _SIXP_H_ */
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/** @} */
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