uwofdmmac_hdr.h

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//
// Copyright (c) 2017 Regents of the SIGNET lab, University of Padova.
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#ifndef UWOFDMMAC_HDR_H
#define UWOFDMMAC_HDR_H
#define MAX_AVAL_CAR 10 // like the number of carriers in the system
 
#include <mmac.h>
#include <module.h>
#include <packet.h>
#include <string>
 
#define HDR_OFDMMAC(p) \
    (hdr_OFDMMAC::access(p)) 
extern packet_t PT_OFDMMAC;
 
// Total size of MAC header is 17 bytes
typedef struct hdr_OFDMMAC {
 
    static int offset_; 
    int usage_carriers[MAX_AVAL_CAR]; 
                                      // Picks from occupancy_table
    int bytesToSend; // for RTS 4 bytes
 
    double timeReserved; // for CTS, how long is each carriers reserved for 8
                         // bytes
 
    inline static int &
    offset()
    {
        return hdr_OFDMMAC::offset_;
    }
 
    inline static struct hdr_OFDMMAC *
    access(const Packet *p)
    {
        return (struct hdr_OFDMMAC *) p->access(hdr_OFDMMAC::offset_);
    }
} hdr_OFDMMAC;
 
#endif