AxisArp.hpp

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#ifndef _AXIS_ARP_H_
#define _AXIS_ARP_H_
 
#include "AxisRaw.hpp"
#include "AxisEth.hpp"
 
 
typedef ap_uint<16> LE_ArpHwType;       // ARP Hardware Type (HTYPE)
typedef ap_uint<16> LE_ArpProtType;     // ARP Protocol Type (PTYPE)
typedef ap_uint< 8> LE_ArpHwLen;        // ARP Hardware address Length (HLEN)
typedef ap_uint< 8> LE_ArpProtLen;      // ARP Protocol address Length (PLEN)
typedef ap_uint<16> LE_ArpOper;         // ARP Operation (1=request; 2=reply)
typedef ap_uint<48> LE_ArpSendHwAddr;   // ARP Sender Hardware Address (SHA)
typedef ap_uint<32> LE_ArpSendProtAddr; // ARP Sender Protocol Address (SPA)
typedef ap_uint<48> LE_ArpTargHwAddr;   // ARP Target Hardware Address (THA)
typedef ap_uint<32> LE_ArpTargProtAddr; // ARP Target Protocol Address (TPA)
 
typedef ap_uint<16> LE_ArpShaHi;        // ARP SHA 16-MSbits (.i.e 47:32)
typedef ap_uint<32> LE_ArpShaLo;        // ARP SHA 32-LSbits (.i.e 31: 0)
typedef ap_uint<16> LE_ArpTpaHi;        // ARP TPA 16-MSbits (.i.e 47:32)
typedef ap_uint<16> LE_ArpTpaLo;        // ARP TPA 16-LSbits (.i.e 31: 0)
 
 
typedef ap_uint<16> ArpHwType;          // ARP Hardware Type (HTYPE)
typedef ap_uint<16> ArpProtType;        // ARP Protocol Type (PTYPE)
typedef ap_uint< 8> ArpHwLen;           // ARP Hardware address Length (HLEN)
typedef ap_uint< 8> ArpProtLen;         // ARP Protocol address Length (PLEN)
typedef ap_uint<16> ArpOper;            // ARP Operation (1=request; 2=reply)
typedef ap_uint<48> ArpSendHwAddr;      // ARP Sender Hardware Address (SHA)
typedef ap_uint<32> ArpSendProtAddr;    // ARP Sender Protocol Address (SPA)
typedef ap_uint<48> ArpTargHwAddr;      // ARP Target Hardware Address (THA)
typedef ap_uint<32> ArpTargProtAddr;    // ARP Target Protocol Address (TPA)
 
typedef ap_uint<16> ArpShaHi;           // ARP SHA 16-MSbits (.i.e 47:32)
typedef ap_uint<32> ArpShaLo;           // ARP SHA 32-LSbits (.i.e 31: 0)
typedef ap_uint<16> ArpTpaHi;           // ARP TPA 16-MSbits (.i.e 47:32)
typedef ap_uint<16> ArpTpaLo;           // ARP TPA 16-LSbits (.i.e 31: 0)
 
 
 
class AxisArp: public AxisRaw {
 
  public:
    AxisArp() {}
    AxisArp(AxisRaw axisRaw) :
        AxisRaw(axisRaw.getLE_TData(), axisRaw.getLE_TKeep(), axisRaw.getLE_TLast()) {}
    AxisArp(LE_tData tdata, LE_tKeep tkeep, LE_tLast tlast) :
        AxisRaw(tdata, tkeep, tlast) {}
    AxisArp(const AxisArp &axisArp) :
        AxisRaw(axisArp.tdata, axisArp.tkeep, axisArp.tlast) {}
 
 
    // Set-Get the Hardware Type (HTYPE) field
    void            setArpHardwareType(ArpHwType htype)   {                    tdata.range(15,  0) = swapWord(htype); }
    ArpHwType       getArpHardwareType()                  {   return swapWord (tdata.range(15,  0));                  }
    // Set-Get the Protocol type (PTYPE) field
    void            setArpProtocolType(ArpProtType ptype) {                    tdata.range(31, 16) = swapWord(ptype); }
    ArpProtType     getArpProtocolType()                  {   return swapWord (tdata.range(31, 16));                  }
    // Set the Hardware Address Length (HLEN) field
    void            setArpHardwareLength(ArpHwLen hlen)   {                    tdata.range(39, 32) = hlen;            }
    ArpHwLen        getArpHardwareLength()                {             return tdata.range(39, 32);                   }
    // Set-Get Protocol Address length (PLEN) field
    void            setArpProtocolLength(ArpProtLen plen) {                    tdata.range(47, 40) = plen;            }
    ArpProtLen      getArpProtocolLength()                {             return tdata.range(47, 40);                   }
    // Set-Get the Operation code (OPER) field
    void            setArpOperation(ArpOper oper)         {                    tdata.range(63, 48) = swapWord(oper);  }
    ArpOper         getArpOperation()                     {   return swapWord (tdata.range(63, 48));                  }
    // Set-Get the Sender Hardware Address (SHA)
    void            setArpSenderHwAddr(ArpSendHwAddr sha) {                    tdata.range(47,  0) = swapMacAddr(sha);}
    ArpSendHwAddr   getArpSenderHwAddr()                  { return swapMacAddr(tdata.range(47,  0));                  }
    // Set-Get the 16-MSbits of the Sender Protocol Address (SPA)
    void            setArpSenderProtAddrHi(ArpSendProtAddr spa) {              tdata.range(63, 48) = swapDWord(spa).range(15, 0); }
    ap_uint<16>     getArpSenderProtAddrHi()              {    return swapWord(tdata.range(63, 48));                  }
    // Set-Get the 16-LSbits of the Sender Protocol Address (SPA)
    void            setArpSenderProtAddrLo(ArpSendProtAddr spa) {              tdata.range(15,  0) = swapDWord(spa).range(31,16); }
    ap_uint<32>     getArpSenderProtAddrLo()              {    return swapWord(tdata.range(15,  0));                  }
    // Set-Get the Target Hardware Address (SHA)
    void            setArpTargetHwAddr(ArpTargHwAddr tha) {                    tdata.range(63, 16) = swapMacAddr(tha);}
    ArpTargHwAddr   getArpTargetHwAddr()                  { return swapMacAddr(tdata.range(63, 16));                  }
    // Set-Get the Target Protocol Address (TPA)
    void            setArpTargetProtAddr(ArpTargProtAddr tpa)   {              tdata.range(31,  0) = swapDWord(tpa);}
    ArpTargProtAddr getArpTargetProtAddr()                {   return swapDWord(tdata.range(31,  0));                }
 
  private:
    // Swap the two bytes of a word (.i.e, 16 bits)
    ap_uint<16> swapWord(ap_uint<16> inpWord) {
      return (inpWord.range(7,0), inpWord.range(15, 8));
    }
    // Swap the four bytes of a double-word (.i.e, 32 bits)
    ap_uint<32> swapDWord(ap_uint<32> inpDWord) {
      return (inpDWord.range( 7, 0), inpDWord.range(15,  8),
              inpDWord.range(23,16), inpDWord.range(31, 24));
    }
    // Swap the six bytes of a MAC address (.i.e, 48 bits)
    ap_uint<48> swapMacAddr(ap_uint<48> macAddr) {
      return (macAddr.range( 7,  0), macAddr.range(15,  8),
              macAddr.range(23, 16), macAddr.range(31, 24),
              macAddr.range(39, 32), macAddr.range(47, 40));
    }
 
}; // End of: AxisArp
 
#endif