contiki/core/net/uaodv-def.h

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/*
* Copyright (c) 2005, 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.
*
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* $Id: uaodv-def.h,v 1.5 2007/05/28 16:33:19 bg- Exp $
*/
/**
* \file
* Definitions for the micro implementation of the AODV ad hoc routing protocol
* \author
* Adam Dunkels <adam@sics.se>
*/
#ifndef __UAODV_DEF_H__
#define __UAODV_DEF_H__
#include "net/uip.h"
#define NUM_PRECURSORS 4
#define UAODV_UDPPORT 654
#if 0
/* AODV routing table entry */
struct uaodv_rtentry {
uip_ipaddr_t dest_addr;
uip_ipaddr_t next_hop;
uip_ipaddr_t precursors[NUM_PRECURSORS];
uint32_t dest_seqno;
uint16_t lifetime;
uint8_t dest_seqno_flag;
uint8_t route_flags;
uint8_t hop_count;
};
#endif
/* Generic AODV message */
struct uaodv_msg {
uint8_t type;
};
/* AODV RREQ message */
#define UAODV_RREQ_TYPE 1
#define UAODV_RREQ_JOIN (1 << 7)
#define UAODV_RREQ_REPAIR (1 << 6)
#define UAODV_RREQ_GRATIOUS (1 << 5)
#define UAODV_RREQ_DESTONLY (1 << 4)
#define UAODV_RREQ_UNKSEQNO (1 << 3)
struct uaodv_msg_rreq {
uint8_t type;
uint8_t flags;
uint8_t reserved;
uint8_t hop_count;
uint32_t rreq_id;
uip_ipaddr_t dest_addr;
uint32_t dest_seqno;
uip_ipaddr_t orig_addr;
uint32_t orig_seqno;
};
/* AODV RREP message */
#define UAODV_RREP_TYPE 2
#define UAODV_RREP_REPAIR (1 << 7)
#define UAODV_RREP_ACK (1 << 6)
struct uaodv_msg_rrep {
uint8_t type;
uint8_t flags;
uint8_t prefix_sz; /* prefix_sz:5 */
uint8_t hop_count;
uip_ipaddr_t dest_addr;
uint32_t dest_seqno;
uip_ipaddr_t orig_addr;
uint32_t lifetime;
};
/* AODV RERR message */
#define UAODV_RERR_TYPE 3
#define UAODV_RERR_NODELETE (1 << 7)
#define UAODV_RERR_UNKNOWN (1 << 6) /* Non standard extension /bg. */
struct uaodv_msg_rerr {
uint8_t type;
uint8_t flags;
uint8_t reserved;
uint8_t dest_count;
struct {
uip_ipaddr_t addr;
uint32_t seqno;
} unreach[1];
};
/* AODV RREP-ACK message */
#define UAODV_RREP_ACK_TYPE 4
struct uaodv_msg_rrep_ack {
uint8_t type;
uint8_t reserved;
};
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#define RREP_HELLO_INTERVAL_EXT 1 /* Per RFC 3561. */
#define RREQ_BAD_HOP_EXT 101 /* Non standard extension /bg */
struct uaodv_extension {
uint8_t type;
uint8_t length;
/* uint8_t value[length]; */
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};
struct uaodv_bad_hop_ext {
uint8_t type;
uint8_t length;
uint8_t unused1, unused2;
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uip_ipaddr_t addrs[1];
};
#endif /* __UAODV_DEF_H__ */