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Rev 3555 Rev 3589
Line 54... Line 54...
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align 4
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align 4
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ETH_input:
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ETH_input:
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        mov     eax, [esp]
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        mov     eax, [esp]
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        mov     ecx, [esp+4]
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        mov     ecx, [esp+4]
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        DEBUGF  1,"ETH_input: size=%u\n", ecx
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        DEBUGF  DEBUG_NETWORK_VERBOSE,"ETH_input: size=%u\n", ecx
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        cmp     ecx, ETH_FRAME_MINIMUM
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        cmp     ecx, ETH_FRAME_MINIMUM
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        jb      .dump
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        jb      .dump
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        sub     ecx, sizeof.ETH_header
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        sub     ecx, sizeof.ETH_header
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        je      PPPoE_discovery_input
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        je      PPPoE_discovery_input
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        cmp     ax, ETHER_PPP_SESSION
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        cmp     ax, ETHER_PPP_SESSION
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        je      PPPoE_session_input
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        je      PPPoE_session_input
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        DEBUGF  2,"ETH_input: Unknown packet type=%x\n", ax
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        DEBUGF  DEBUG_NETWORK_ERROR, "ETH_input: Unknown packet type=%x\n", ax
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  .dump:
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  .dump:
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        DEBUGF  2,"ETH_input: dumping\n"
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        DEBUGF  DEBUG_NETWORK_VERBOSE,"ETH_input: dumping\n"
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        call    kernel_free
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        call    kernel_free
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;
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;
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;-----------------------------------------------------------------
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;-----------------------------------------------------------------
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align 4
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align 4
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ETH_output:
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ETH_output:
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        DEBUGF  1,"ETH_output: size=%u device=%x\n", ecx, ebx
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        DEBUGF  DEBUG_NETWORK_VERBOSE, "ETH_output: size=%u device=%x\n", ecx, ebx
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        cmp     ecx, [ebx + NET_DEVICE.mtu]
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        cmp     ecx, [ebx + NET_DEVICE.mtu]
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        lea     edx, [ecx + sizeof.ETH_header]  ; Set edx to complete buffer size
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        lea     edx, [ecx + sizeof.ETH_header]  ; Set edx to complete buffer size
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        cmp     edx, ETH_FRAME_MINIMUM
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        cmp     edx, ETH_FRAME_MINIMUM
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        jbe     .adjust_size
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        jbe     .adjust_size
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  .done:
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  .done:
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        DEBUGF  1,"ETH_output: ptr=%x size=%u\n", eax, edx
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        DEBUGF  DEBUG_NETWORK_VERBOSE, "ETH_output: ptr=%x size=%u\n", eax, edx
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        ret
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        ret
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  .adjust_size:
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  .adjust_size:
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        mov     edx, ETH_FRAME_MINIMUM
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        mov     edx, ETH_FRAME_MINIMUM
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        test    edx, edx        ; clear zero flag
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        test    edx, edx        ; clear zero flag
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        jmp     .done
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        jmp     .done
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  .out_of_ram:
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  .out_of_ram:
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        DEBUGF  2,"ETH_output: Out of ram!\n"
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        DEBUGF  DEBUG_NETWORK_ERROR, "ETH_output: Out of ram!\n"
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        add     esp, 4+4+2+4
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        add     esp, 4+4+2+4
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        sub     edi, edi
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        sub     edi, edi
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        ret
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        ret
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