contiki/core/net/rime/nf.h

92 lines
2.8 KiB
C

/**
* \addtogroup rime
* @{
*/
/**
* \defgroup rimenf Best-effort network flooding
* @{
*
* The nf module does best-effort flooding.
*
* \section channels Channels
*
* The nf module uses 1 channel.
*
*/
/*
* Copyright (c) 2006, Swedish Institute of Computer Science.
* All rights reserved.
*
* 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 of the Institute 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 INSTITUTE 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 INSTITUTE 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.
*
* This file is part of the Contiki operating system.
*
* $Id: nf.h,v 1.11 2008/02/24 22:05:27 adamdunkels Exp $
*/
/**
* \file
* Header file for the best-effort network flooding (nf)
* \author
* Adam Dunkels <adam@sics.se>
*/
#ifndef __NF_H__
#define __NF_H__
#include "net/rime/ctimer.h"
#include "net/rime/queuebuf.h"
#include "net/rime/ipolite.h"
struct nf_conn;
struct nf_callbacks {
int (* recv)(struct nf_conn *c, rimeaddr_t *from,
rimeaddr_t *originator, uint8_t seqno, uint8_t hops);
void (* sent)(struct nf_conn *c);
void (* dropped)(struct nf_conn *c);
};
struct nf_conn {
struct ipolite_conn c;
const struct nf_callbacks *u;
clock_time_t queue_time;
rimeaddr_t last_originator;
uint8_t last_originator_seqno;
};
void nf_open(struct nf_conn *c, clock_time_t queue_time,
uint16_t channel, const struct nf_callbacks *u);
void nf_close(struct nf_conn *c);
int nf_send(struct nf_conn *c, uint8_t seqno);
#endif /* __SIBC_H__ */
/** @} */
/** @} */