/*Copyright (c) 1997, 1998 Carnegie Mellon University.  All RightsReserved. Permission to use, copy, modify, and distribute thissoftware and its documentation is hereby granted (including forcommercial or for-profit use), provided that both the copyright notice and this permission notice appear in all copies of the software, derivative works, or modified versions, and any portions thereof, and that both notices appear in supporting documentation, and that credit is given to Carnegie Mellon University in all publications reporting on direct or indirect use of this code or its derivatives.ALL CODE, SOFTWARE, PROTOCOLS, AND ARCHITECTURES DEVELOPED BY THE CMUMONARCH PROJECT ARE EXPERIMENTAL AND ARE KNOWN TO HAVE BUGS, SOME OFWHICH MAY HAVE SERIOUS CONSEQUENCES. CARNEGIE MELLON PROVIDES THISSOFTWARE OR OTHER INTELLECTUAL PROPERTY IN ITS ``AS IS'' CONDITION,AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULARPURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITYBE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, ORCONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OFSUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; ORBUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCEOR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE ORINTELLECTUAL PROPERTY, EVEN IF ADVISED OF THE POSSIBILITY OF SUCHDAMAGE.Carnegie Mellon encourages (but does not require) users of thissoftware or intellectual property to return any improvements orextensions that they make, and to grant Carnegie Mellon the rights to redistribute these changes without encumbrance.The AODV code developed by the CMU/MONARCH group was optimized and tuned by Samir Das and Mahesh Marina, University of Cincinnati. The work was partially done in Sun Microsystems.*/#ifndef __aodv_packet_h__#define __aodv_packet_h__//#include <config.h>//#include "aodv.h"#define AODV_MAX_ERRORS 100/* =====================================================================   Packet Formats...   ===================================================================== */#define AODVTYPE_HELLO  	0x01#define AODVTYPE_RREQ   	0x02#define AODVTYPE_RREP   	0x04#define AODVTYPE_RERR   	0x08#define AODVTYPE_RREP_ACK  	0x10/*** added for multicast ***/#define AODVTYPE_GRPH		0x06#define AODVTYPE_MACT		0x05/***************************//*** added for prediction in multicast***/#define AODVTYPE_WARN           0x07#define AODVTYPE_LPW    0x09#define AODVTYPE_RPE    0x03#define AODVTYPE_LINK_RREQ 0x11/****************************//* * AODV Routing Protocol Header Macros */#define HDR_AODV(p)		((struct hdr_aodv*)hdr_aodv::access(p))#define HDR_AODV_REQUEST(p)  	((struct hdr_aodv_request*)hdr_aodv::access(p))#define HDR_AODV_REPLY(p)	((struct hdr_aodv_reply*)hdr_aodv::access(p))#define HDR_AODV_ERROR(p)	((struct hdr_aodv_error*)hdr_aodv::access(p))#define HDR_AODV_RREP_ACK(p)	((struct hdr_aodv_rrep_ack*)hdr_aodv::access(p))/*** added for multicast ***/#define HDR_AODV_GRPH(p)  	((struct hdr_aodv_grph*)hdr_aodv::access(p))#define HDR_AODV_MACT(p)	((struct hdr_aodv_mact*)hdr_aodv::access(p))/***************************//*** added for prediction***/#define HDR_AODV_WARN(p)    ((struct hdr_aodv_warn*)hdr_aodv::access(p))#define HDR_AODV_REQUEST_LINK(p) ((struct hdr_aodv_request_link *)hdr_aodv::access(p))#define HDR_AODV_RPE(p) ((struct hdr_aodv_rpe *)hdr_aodv::access(p))#define HDR_AODV_LPW(p) ((struct hdr_aodv_lpw *)hdr_aodv::access(p))/******************************************//* * General AODV Header - shared by all formats */struct hdr_aodv {        u_int8_t        ah_type;	/*        u_int8_t        ah_reserved[2];        u_int8_t        ah_hopcount;	*/		// Header access methods	static int offset_; // required by PacketHeaderManager	inline static int& offset() { return offset_; }	inline static hdr_aodv* access(const Packet* p) {		return (hdr_aodv*) p->access(offset_);	}};/*** added for multicast ***/#define RREQ_NO_FLAG 0x00#define RREQ_J	0x01#define RREQ_JR 0x03#define RREQ_R  0x04/**************************/struct hdr_aodv_request {        u_int8_t        rq_type;	// Packet Type        /*** modified for multicast ***/        //u_int8_t        reserved[2];        u_int8_t        rq_flags;	u_int8_t		reserved;        /******************************/        u_int8_t        rq_hop_count;   // Hop Count        u_int32_t       rq_bcast_id;    // Broadcast ID        nsaddr_t        rq_dst;         // Destination IP Address        u_int32_t       rq_dst_seqno;   // Destination Sequence Number        nsaddr_t        rq_src;         // Source IP Address        u_int32_t       rq_src_seqno;   // Source Sequence Number        double          rq_timestamp;   // when REQUEST sent;					// used to compute route discovery latency  // This define turns on gratuitous replies- see aodv.cc for implementation contributed by  // Anant Utgikar, 09/16/02.  //#define RREQ_GRAT_RREP	0x80  inline int size() {   int sz = 0;  /*  	sz = sizeof(u_int8_t)		// rq_type	     + 2*sizeof(u_int8_t) 	// reserved	     + sizeof(u_int8_t)		// rq_hop_count	     + sizeof(double)		// rq_timestamp	     + sizeof(u_int32_t)	// rq_bcast_id	     + sizeof(nsaddr_t)		// rq_dst	     + sizeof(u_int32_t)	// rq_dst_seqno	     + sizeof(nsaddr_t)		// rq_src	     + sizeof(u_int32_t);	// rq_src_seqno  */  	sz = 7*sizeof(u_int32_t);  	assert (sz >= 0);	return sz;  }};/*** added for multicast ***/#define RREP_NO_FLAG 0x00#define RREP_J	0x01#define RREP_JR 0x03#define RREP_R  0x04/***************************/struct hdr_aodv_reply {        u_int8_t        rp_type;        // Packet Type        /*** modified for multicast ***/        //u_int8_t        reserved[2];        u_int8_t	rp_flags;        u_int8_t        reserved;        /*******************************/        u_int8_t        rp_hop_count;           // Hop Count        nsaddr_t        rp_dst;                 // Destination IP Address        u_int32_t       rp_dst_seqno;           // Destination Sequence Number        nsaddr_t        rp_src;                 // Source IP Address        double	        rp_lifetime;            // Lifetime        double          rp_timestamp;           // when corresponding REQ sent;						// used to compute route discovery latency						  inline int size() {   int sz = 0;  /*  	sz = sizeof(u_int8_t)		// rp_type	     + 2*sizeof(u_int8_t) 	// rp_flags + reserved	     + sizeof(u_int8_t)		// rp_hop_count	     + sizeof(double)		// rp_timestamp	     + sizeof(nsaddr_t)		// rp_dst	     + sizeof(u_int32_t)	// rp_dst_seqno	     + sizeof(nsaddr_t)		// rp_src	     + sizeof(u_int32_t);	// rp_lifetime  */  	sz = 6*sizeof(u_int32_t);  	assert (sz >= 0);	return sz;  }};struct hdr_aodv_error {        u_int8_t        re_type;                // Type        u_int8_t        reserved[2];            // Reserved        u_int8_t        DestCount;                 // DestCount        // List of Unreachable destination IP addresses and sequence numbers        nsaddr_t        unreachable_dst[AODV_MAX_ERRORS];           u_int32_t       unreachable_dst_seqno[AODV_MAX_ERRORS];     inline int size() {   int sz = 0;  /*  	sz = sizeof(u_int8_t)		// type	     + 2*sizeof(u_int8_t) 	// reserved	     + sizeof(u_int8_t)		// length	     + length*sizeof(nsaddr_t); // unreachable destinations  */  	sz = (DestCount*2 + 1)*sizeof(u_int32_t);	assert(sz);        return sz;  }};struct hdr_aodv_rrep_ack {	u_int8_t	rpack_type;	u_int8_t	reserved;};/*** added for multicast ***/#define MACT_J 0x01#define MACT_P 0x02#define MACT_GL 0x03struct hdr_aodv_mact {	u_int8_t	mact_type;	u_int8_t	mact_flags;	u_int8_t	reserved;	u_int8_t	mact_hop_count;	nsaddr_t	mact_grp_dst;	nsaddr_t	mact_src;	u_int32_t	mact_src_seqno;	inline int size(){		int sz = 4 * sizeof(u_int32_t);		return sz;	}};#define GRPH_U 0x01#define GRPH_NO_FLAG 0x00#define GRPH_M 0x02struct hdr_aodv_grph {	u_int8_t	gh_type;	u_int8_t        gh_flags;	u_int8_t	reserved;	u_int8_t	gh_hop_count;	nsaddr_t	gh_grp_leader_addr;	nsaddr_t	gh_multi_grp_addr;	u_int32_t	gh_grp_seqno;	inline int size(){		int sz = 4 * sizeof(u_int32_t);		return sz;	}};#define AODVTYPE_RREP_EXT 0x05#define AODVTYPE_RREP_EXT_LEN 0x06struct hdr_aodv_reply_ext{	u_int8_t type;    u_int8_t length;    u_int16_t hops_grp_leader;	nsaddr_t grp_leader_addr;	inline int size(){		int sz = 2 * sizeof(u_int32_t);		return sz;	}};#define AODVTYPE_RREQ_EXT 0x04#define AODVTYPE_RREQ_EXT_LEN 0x02struct hdr_aodv_request_ext {	u_int8_t type;	u_int8_t length;	u_int16_t hop_count;	inline int size(){		int sz = 1 * sizeof(u_int32_t);		return sz;	}};/************************//*** added for prediction ***/#define WARN_U 0x01#define WARN_D 0x02struct hdr_aodv_warn {        u_int8_t    wn_type;        u_int8_t    wn_flags;        u_int8_t    reserved;        nsaddr_t    wn_grp;        double      wn_expire;        inline int size(){                int sz = 3 * sizeof(u_int8_t) + 2 * sizeof(u_int32_t);                return sz;        }};struct hdr_aodv_lpw {        u_int8_t rp_type;        nsaddr_t rp_dst;        double breakTime;        inline int size(){               int sz = 2 * sizeof(u_int32_t) + sizeof(u_int8_t);               return sz;        }};struct hdr_aodv_rpe {        u_int8_t        rp_type;                // Type        u_int8_t        reserved[2];            // Reserved        u_int8_t        DestCount;                 // DestCount        // List of destination IP addresses and sequence numbers                double          breakTime;        nsaddr_t        vulnerable_dst[AODV_MAX_ERRORS];           u_int32_t       vulnerable_dst_seqno[AODV_MAX_ERRORS];  inline int size() {        int sz = (DestCount*2 + 1)*sizeof(u_int32_t)+sizeof(double);        assert(sz);        return sz;  }};struct hdr_aodv_request_link {        u_int8_t        rq_type;                // Packet Type        u_int8_t        rq_flags;        u_int8_t        reserved;        u_int8_t        rq_hop_count;           // Hop Count        u_int32_t       rq_bcast_id;            // Broadcast ID        nsaddr_t        rq_dst;                 // Destination IP Address        u_int32_t       rq_dst_seqno;           // Destination Sequence Number        nsaddr_t        rq_src;                 // Source IP Address        u_int32_t       rq_src_seqno;           // Source Sequence Number        double          rq_timestamp;           // when REQUEST sent        nsaddr_t        from;        nsaddr_t        to;        inline int size(){                int sz = 9 * sizeof(u_int32_t);                return sz;        }};/**********************/// for size calculation of header-space reservationunion hdr_all_aodv {  hdr_aodv          ah;  hdr_aodv_request  rreq;  hdr_aodv_reply    rrep;  hdr_aodv_error    rerr;  hdr_aodv_rrep_ack rrep_ack;  /*** added for multicast ***/  hdr_aodv_grph		grph;  hdr_aodv_mact		mact;  /***************************/  /*** added for prediction ***/  hdr_aodv_lpw  lpw;  hdr_aodv_rpe  rep;  hdr_aodv_request_link rq;  hdr_aodv_warn     warn;  /****************************/};#endif /* __aodv_packet_h__ */