/***************************************************************************** * * Copyright (C) 2001 Uppsala University and Ericsson AB. * Copyright (C) 2003 Simon Fraser University and NewMIC * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA * * Authors: Erik Nordstr鰉, <erik.nordstrom@it.uu.se> *        : Peter Lee       <peter.lee@shaw.ca> *           * *****************************************************************************/#ifndef AODV_RREQ_H#define AODV_RREQ_H#ifndef NS_NO_GLOBALS#include <endian.h>#include "defs.h"#include "seek_list.h"#include "routing_table.h"/* RREQ Flags: */#define RREQ_JOIN       0x4#define RREQ_REPAIR     0x2#define RREQ_GRATUITOUS 0x1#define RREQ_INTERNET   0x8typedef struct {    u_int8_t type;#  if __BYTE_ORDER == __LITTLE_ENDIAN    u_int8_t res1:4;    u_int8_t i:1;    u_int8_t g:1;    u_int8_t r:1;    u_int8_t j:1;#  elif __BYTE_ORDER == __BIG_ENDIAN    u_int8_t j:1;    u_int8_t r:1;    u_int8_t g:1;    u_int8_t i:1;    u_int8_t res1:4;#  else#   error "Adjust your <bits/endian.h> defines"#  endif    u_int8_t res2;    u_int8_t hcnt;    u_int32_t rreq_id;  //PL:#ifdef _IPV6    u_int32_t dest_seqno;    u_int32_t orig_seqno;    struct in6_addr dest_addr;    struct in6_addr orig_addr;#else    u_int32_t dest_addr;    u_int32_t dest_seqno;    u_int32_t orig_addr;    u_int32_t orig_seqno;#endif /* _IPV6 */} RREQ;#define RREQ_SIZE sizeof(RREQ)/* A data structure to buffer information about received RREQ's */struct rreq_record {  //PL:#ifdef _IPV6    struct in6_addr orig_addr;	/* Source of the RREQ */#else    u_int32_t orig_addr;	/* Source of the RREQ */#endif /* _IPV6 */    u_int32_t rreq_id;		/* RREQ's broadcast ID */    struct timer rec_timer;    struct rreq_record *next;};struct blacklist {  //PL:#ifdef _IPV6    struct in6_addr dest_addr;#else    u_int32_t dest_addr;#endif /* _IPV6 */    struct timer bl_timer;    struct blacklist *next;};#endif				/* NS_NO_GLOBALS */#ifndef NS_NO_DECLARATIONS//PL:#ifdef _IPV6RREQ *rreq_create(u_int8_t flags, struct in6_addr dest_addr,		  u_int32_t dest_seqno, struct in6_addr orig_addr);void rreq_process(RREQ * rreq, int rreqlen, struct in6_addr ip_src,		  struct in6_addr ip_dst, int hop_limit, 		  unsigned int ifindex);void rreq_route_discovery(struct in6_addr dest_addr, u_int8_t flags,			  struct ip_data *ipd);int rreq_record_remove(struct in6_addr orig_addr, u_int32_t rreq_id);struct blacklist *rreq_blacklist_insert(struct in6_addr dest_addr);int rreq_blacklist_remove(struct in6_addr dest_addr);void rreq_local_repair(rt_table_t * rt_entry);#elseRREQ *rreq_create(u_int8_t flags, u_int32_t dest_addr,		  u_int32_t dest_seqno, u_int32_t orig_addr);void rreq_process(RREQ * rreq, int rreqlen, u_int32_t ip_src,		  u_int32_t ip_dst, int ip_ttl, unsigned int ifindex);void rreq_route_discovery(u_int32_t dest_addr, u_int8_t flags,			  struct ip_data *ipd);int rreq_record_remove(u_int32_t orig_addr, u_int32_t rreq_id);struct blacklist *rreq_blacklist_insert(u_int32_t dest_addr);int rreq_blacklist_remove(u_int32_t dest_addr);void rreq_local_repair(rt_table_t * rt_entry);#endif /* _IPV6 */#ifdef NS_PORTstruct rreq_record *rreq_record_insert(u_int32_t orig_addr, u_int32_t rreq_id);struct rreq_record *rreq_record_find(u_int32_t orig_addr, u_int32_t rreq_id);struct blacklist *rreq_blacklist_find(u_int32_t dest_addr);#endif				/* NS_PORT */#endif				/* NS_NO_DECLARATIONS */#endif				/* AODV_RREQ_H */