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Rev 5842 Rev 5976
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;;          GNU GENERAL PUBLIC LICENSE                             ;;
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;;          GNU GENERAL PUBLIC LICENSE                             ;;
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;;             Version 2, June 1991                                ;;
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;;             Version 2, June 1991                                ;;
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;;                                                                 ;;
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;;                                                                 ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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$Revision: 5842 $
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;-----------------------------------------------------------------
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;
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; TCP_input:
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;
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;       Add a segment to the incoming TCP queue
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;
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;  IN:  [esp] = ptr to buffer
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;       ebx = ptr to device struct
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;       ecx = TCP segment size
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;       edx = ptr to IPv4 header
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;       esi = ptr to TCP segment
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;       edi = interface number*4
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;
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;  OUT: /
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;
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$Revision: 5976 $
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;-----------------------------------------------------------------;
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;                                                                 ;
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; TCP_input: Add a segment to the incoming TCP queue.             ;
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;                                                                 ;
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;  IN:  [esp] = ptr to buffer                                     ;
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;       ebx = ptr to device struct                                ;
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;       ecx = TCP segment size                                    ;
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;       edx = ptr to IPv4 header                                  ;
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;       esi = ptr to TCP segment                                  ;
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;       edi = interface number*4                                  ;
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;                                                                 ;
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;  OUT: /                                                         ;
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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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TCP_input:
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TCP_input:
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        mov     eax, [timestamp]
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        mov     eax, [timestamp]
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        sub     eax, [ebx + TCP_SOCKET.ts_ecr]
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        sub     eax, [ebx + TCP_SOCKET.ts_ecr]
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        inc     eax
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        inc     eax
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        call    TCP_xmit_timer
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        call    TCP_xmit_timer
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        jmp     .rtt_done
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        jmp     .rtt_done
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  .no_timestamp_rtt:
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  .no_timestamp_rtt:
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        cmp     [ebx + TCP_SOCKET.t_rtt], 0
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        cmp     [ebx + TCP_SOCKET.t_rtt], 0
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        je      .rtt_done
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        je      .rtt_done
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        mov     eax, [edx + TCP_header.AckNumber]
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        mov     eax, [edx + TCP_header.AckNumber]
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        cmp     eax, [ebx + TCP_SOCKET.t_rtseq]
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        cmp     eax, [ebx + TCP_SOCKET.t_rtseq]
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        jbe     .rtt_done
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        jbe     .rtt_done
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        mov     eax, [ebx + TCP_SOCKET.t_rtt]
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        mov     eax, [ebx + TCP_SOCKET.t_rtt]
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        call    TCP_xmit_timer
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        call    TCP_xmit_timer
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  .rtt_done:
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  .rtt_done:
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; update window pointers
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; update window pointers
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        mov     eax, [edx + TCP_header.AckNumber]
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        mov     eax, [edx + TCP_header.AckNumber]