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Rev 735 Rev 739
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;;   22.09.2003 - [Mike Hibbett] : mikeh@oceanfree.net          ;;
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;;   22.09.2003 - [Mike Hibbett] : mikeh@oceanfree.net          ;;
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;;   11.11.2006 - [Johnny_B] and [smb]                          ;;
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;;   11.11.2006 - [Johnny_B] and [smb]                          ;;
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;;                                                              ;;
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;;                                                              ;;
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$Revision: 735 $
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$Revision: 739 $
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    mov     edi, dword[Extra]
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    mov     edi, dword[Extra]
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    cld
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    cld
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    stosd
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    stosd
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    stosw
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    stosw
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    ; first, check destination IP to see if it is on 'this' network.
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    ; The test is:
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    ; if ( destIP & subnet_mask == stack_ip & subnet_mask )
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    ;   destination is local
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    ; else
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    ;  destination is remote, so pass to gateway
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    mov     eax, [Index]       ;eax=required IP
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    mov     esi, eax
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    and     esi, [subnet_mask]
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    mov     ecx, [stack_ip]
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    and     ecx, [subnet_mask]
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    cmp     esi, ecx
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    je      @f        ;if we and target IP are located in the same network
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    mov     eax, [gateway_ip]
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    mov     [Index], eax
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  @@:
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    cmp     dword[NumARP], 0
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    cmp     dword[NumARP], 0
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    je      .ip_to_mac_send_request ;if ARP-table not contain an entries, we have to request IP.
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    je      .ip_to_mac_send_request ;if ARP-table not contain an entries, we have to request IP.
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                                    ;EAX will be containing a zero, it's equal to ARP_NO_ENTRY
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                                    ;EAX will be containing a zero, it's equal to ARP_NO_ENTRY
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    mov     eax, [Index]       ;eax=required IP
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    mov     ecx, dword[NumARP]
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    mov     ecx, dword[NumARP]
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    imul    esi, ecx, ARP_ENTRY_SIZE  ;esi=current ARP-table size
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    imul    esi, ecx, ARP_ENTRY_SIZE  ;esi=current ARP-table size