145 lines
3.8 KiB
C
145 lines
3.8 KiB
C
/*
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* Copyright (c) 2005, Swedish Institute of Computer Science.
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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 Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR 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, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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*/
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/**
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* \file
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* Definitions for the micro implementation of the AODV ad hoc routing protocol
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* \author
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* Adam Dunkels <adam@sics.se>
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*/
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#ifndef __UAODV_DEF_H__
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#define __UAODV_DEF_H__
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#include "net/uip.h"
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#define NUM_PRECURSORS 4
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#define UAODV_UDPPORT 654
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#if 0
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/* AODV routing table entry */
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struct uaodv_rtentry {
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uip_ipaddr_t dest_addr;
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uip_ipaddr_t next_hop;
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uip_ipaddr_t precursors[NUM_PRECURSORS];
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uint32_t dest_seqno;
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uint16_t lifetime;
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uint8_t dest_seqno_flag;
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uint8_t route_flags;
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uint8_t hop_count;
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};
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#endif
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/* Generic AODV message */
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struct uaodv_msg {
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uint8_t type;
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};
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/* AODV RREQ message */
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#define UAODV_RREQ_TYPE 1
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#define UAODV_RREQ_JOIN (1 << 7)
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#define UAODV_RREQ_REPAIR (1 << 6)
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#define UAODV_RREQ_GRATIOUS (1 << 5)
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#define UAODV_RREQ_DESTONLY (1 << 4)
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#define UAODV_RREQ_UNKSEQNO (1 << 3)
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struct uaodv_msg_rreq {
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uint8_t type;
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uint8_t flags;
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uint8_t reserved;
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uint8_t hop_count;
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uint32_t rreq_id;
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uip_ipaddr_t dest_addr;
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uint32_t dest_seqno;
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uip_ipaddr_t orig_addr;
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uint32_t orig_seqno;
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};
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/* AODV RREP message */
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#define UAODV_RREP_TYPE 2
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#define UAODV_RREP_REPAIR (1 << 7)
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#define UAODV_RREP_ACK (1 << 6)
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struct uaodv_msg_rrep {
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uint8_t type;
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uint8_t flags;
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uint8_t prefix_sz; /* prefix_sz:5 */
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uint8_t hop_count;
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uip_ipaddr_t dest_addr;
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uint32_t dest_seqno;
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uip_ipaddr_t orig_addr;
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uint32_t lifetime;
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};
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/* AODV RERR message */
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#define UAODV_RERR_TYPE 3
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#define UAODV_RERR_NODELETE (1 << 7)
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#define UAODV_RERR_UNKNOWN (1 << 6) /* Non standard extension /bg. */
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struct uaodv_msg_rerr {
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uint8_t type;
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uint8_t flags;
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uint8_t reserved;
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uint8_t dest_count;
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struct {
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uip_ipaddr_t addr;
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uint32_t seqno;
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} unreach[1];
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};
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/* AODV RREP-ACK message */
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#define UAODV_RREP_ACK_TYPE 4
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struct uaodv_msg_rrep_ack {
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uint8_t type;
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uint8_t reserved;
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};
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#define RREP_HELLO_INTERVAL_EXT 1 /* Per RFC 3561. */
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#define RREQ_BAD_HOP_EXT 101 /* Non standard extension /bg */
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struct uaodv_extension {
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uint8_t type;
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uint8_t length;
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/* uint8_t value[length]; */
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};
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struct uaodv_bad_hop_ext {
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uint8_t type;
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uint8_t length;
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uint8_t unused1, unused2;
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uip_ipaddr_t addrs[1];
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};
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#endif /* __UAODV_DEF_H__ */
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