wlan_support.h

在OPNET中实现AODV路由协议

/** wlan_support.h				**/

/****************************************/
/*      Copyright (c) 1987 - 1999		*/
/*            by MIL 3, Inc.           	*/
/*       (A Delaware Corporation)      	*/
/*    3400 International Drive, N.W.   	*/
/*       Washington, D.C., U.S.A.      	*/
/*       All Rights Reserved.          	*/
/****************************************/

/* Protect against multiple includes. 	*/
#ifndef	_WLAN_SUPPORT_H_INCLUDED_
#define _WLAN_SUPPORT_H_INCLUDED_

/** Include directives.							**/
#include <opnet.h>
 
/* ACK and CTS packet length	*/ 
#define WLAN_ACK_LENGTH				96 
#define WLAN_ACK_DURATION			0.000096 
#define WLAN_CTS_LENGTH				96
#define WLAN_CTS_DURATION			0.000096 
#define WLAN_RTS_LENGTH				144
#define WLAN_MAN_DATA_RATE			1000000

/* Maximum tuple (or duplicate) buffer size (in packets)	*/ 
#define WLAN_TUPLE_SIZE					100

/* maximum data octets in MAC service data unit */ 
/* received from higher layer.					*/ 
#define WLAN_MAXMSDU_LENGTH				18496 
 
typedef enum WlanT_Mac_Frame_Type
	{
	WlanC_Rts  = 0x6C, /* Rts code set into the Rts control frame */
    WlanC_Cts  = 0x70, /* Cts code set into the Cts control frame */
	WlanC_Ack  = 0x74, /* Ack code set into the Ack control frame */
 	WlanC_Data = 0x80, /* Data code set into the Data frame       */
	WlanC_None = 0x00  /* None type 							  */
	} WlanT_Mac_Frame_Type;
 
/* Air propagation time taken for frame transmission */ 
/* in sec											  */ 
#define WLAN_AIR_PROPAGATION_TIME        0.000001 

typedef struct
    {
	int			more_frag;
	int			retry;
	int			order;
	int			tods;
	int			fromds;
	double		duration;  			/* Duration for which the channel is contended for. Network		*/
						   			/* Allocation Vector per the IEEE802.11 standard.				*/
	int			address1; 			/* Destination Address of the final recipient(s) of the frame.	*/
	int			address2; 			/* Source Address from where the frame is originated.			*/
	int			address3; 			/* Receiver Address that identifies the immediated receipient	*/
						   			/* station(s) address.											*/
	int			fragment_number;	/* Sequence control field which contains fragment number		*/
	int			sequence_number; 	/* Sequence contorl field which contains sequence number		*/
	int			address4; 			/* Transmitter Address of the station that has last transmitted	*/
									/* the frame.													*/
    } WlanT_Data_Header_Fields;

/* Data structure for header fields of the  
wireless_lan control (Rts, Cts, Ack) packet. */
typedef struct
    {
	int			more_frag;
	int			retry;
	int			order;
	int			tods;
	int			fromds;
	double		duration;  			/* Duration for which the channel is contended for. Network		*/
						   			/* Allocation Vector per the IEEE802.11 standard.				*/
	int			rx_addr; 			/* Destination Address of the final recipient(s) of the frame.	*/
	int			tx_addr; 			/* Source Address from where the frame is originated.			*/
    } WlanT_Control_Header_Fields;


/*			Function Prototypes				*/
WlanT_Data_Header_Fields*		wlan_mac_pk_dhstruct_create (void); 
WlanT_Control_Header_Fields*	wlan_mac_pk_chstruct_create (void);
WlanT_Data_Header_Fields*		wlan_mac_pk_dhstruct_copy (WlanT_Data_Header_Fields* pk_dh_ptr); 
WlanT_Control_Header_Fields*	wlan_mac_pk_chstruct_copy (WlanT_Control_Header_Fields* pk_ch_ptr);
void  wlan_mac_pk_dhstruct_destroy (WlanT_Data_Header_Fields* pk_ffstruct_ptr); 
void  wlan_mac_pk_chstruct_destroy (WlanT_Control_Header_Fields* pk_sfstruct_ptr);
void  wlan_mac_pk_data_header_pkprint (void* pk_dh_ptr, PrgT_List* output_list);
void  wlan_mac_pk_control_header_pkprint (void* pk_ch_ptr, PrgT_List* output_list);
void  aodv_wlan_pk_print(Packet* wlan_rcvd_frame_ptr);

/*  Variables defined for Pooled Memeory allocation.        */ 

/* End if for protection against multiple includes. */
#endif /* _WLAN_SUPPORT_H_INCLUDED_ */