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Rev 3556 Rev 3600
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$Revision: 2891 $
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$Revision: 2891 $
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iglobal
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iglobal
- 
 
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LOOPBACK_DEVICE:
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LOOPBACK_DEVICE:
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        .type            dd NET_TYPE_LOOPBACK
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        .device_type     dd NET_DEVICE_LOOPBACK
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        .mtu             dd 4096
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        .mtu             dd 4096
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        .name            dd .namestr
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        .name            dd .namestr
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        push    ebx
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        push    ebx
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        push    ecx
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        push    ecx
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        push    eax
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        push    eax
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        DEBUGF  DEBUG_NETWORK_VERBOSE, "LOOP_input: size=%u\n", ecx
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        DEBUGF  DEBUG_NETWORK_VERBOSE, "LOOP_input: size=%u\n", ecx
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        lea     edx, [eax + 2]
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        lea     edx, [eax + 4]
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        mov     ax, word[eax]
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        mov     eax, dword[eax]
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        mov     ebx, LOOPBACK_DEVICE
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        mov     ebx, LOOPBACK_DEVICE
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        cmp     ax, ETHER_IPv4
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        cmp     eax, AF_INET4
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        je      IPv4_input
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        je      IPv4_input
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LOOP_output:
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LOOP_output:
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        DEBUGF  DEBUG_NETWORK_VERBOSE, "LOOP_output\n"
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        DEBUGF  DEBUG_NETWORK_VERBOSE, "LOOP_output\n"
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        push    ecx
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        push    ecx
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        push    di
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        push    edi
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        add     ecx, 2
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        add     ecx, 4
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        cmp     ecx, [LOOPBACK_DEVICE.mtu]
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        cmp     ecx, [LOOPBACK_DEVICE.mtu]
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        ja      .out_of_ram
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        ja      .out_of_ram
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        stdcall kernel_alloc, ecx
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        stdcall kernel_alloc, ecx
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        test    eax, eax
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        test    eax, eax
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        jz      .out_of_ram
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        jz      .out_of_ram
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        mov     edi, eax
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        mov     edi, eax
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        pop     ax
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        pop     eax
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        stosw
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        stosd
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        lea     eax, [edi - 2]  ; Set eax to buffer start
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        lea     eax, [edi - 4]  ; Set eax to buffer start
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        pop     ecx
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        pop     ecx
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        lea     edx, [ecx + 2]  ; Set edx to complete buffer size
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        lea     edx, [ecx + 4]  ; Set edx to complete buffer size
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        mov     ebx, LOOPBACK_DEVICE
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        mov     ebx, LOOPBACK_DEVICE
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  .done:
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  .done:
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        DEBUGF  DEBUG_NETWORK_VERBOSE, "LOOP_output: ptr=%x size=%u\n", eax, edx
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        DEBUGF  DEBUG_NETWORK_VERBOSE, "LOOP_output: ptr=%x size=%u\n", eax, edx
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        ret
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        ret