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Rev 2961 Rev 2962
Line 20... Line 20...
20 
        SessionID       dw ?
 20 
        SessionID       dw ?
21 
        Length          dw ?            ; Length of payload, does NOT include the length PPPoE header.
 21 
        Length          dw ?            ; Length of payload, does NOT include the length PPPoE header.
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        Payload         rb 0
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        Payload         rb 0
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ends
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ends
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 - 
 
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struct  LCP_frame
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        Code            db ?
 - 
 
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        Identifier      db ?
 - 
 
28 
        Length          dw ?
 - 
 
29 
        Data            rb 0
 - 
 
30 
ends
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31 
 
 24 
 
32 
uglobal
 25 
uglobal
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        PPPoE_SID       dw ?
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        PPPoE_SID       dw ?
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        PPPoE_MAC       dp ?
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        PPPoE_MAC       dp ?
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endg
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LCP_config_request      = 1
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LCP_config_ack          = 2
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LCP_config_nak          = 3
 - 
 
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LCP_config_reject       = 4
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LCP_terminate_request   = 5
 - 
 
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LCP_terminate_ack       = 6
 - 
 
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LCP_code_reject         = 7
 - 
 
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LCP_protocol_reject     = 8
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LCP_echo_request        = 9
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LCP_echo_reply          = 10
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LCP_discard_request     = 11
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 28 
endg
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;-----------------------------------------------------------------
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;-----------------------------------------------------------------
51 
;
 31 
;
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; IPv4_init
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; PPPoE_init
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;
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;
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;  This function resets all IP variables
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;  This function resets all IP variables
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;
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;
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; Overwrite source MAC and protocol type
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; Overwrite source MAC and protocol type
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        lea     edi, [eax + ETH_header.SrcMAC]
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        lea     edi, [eax + ETH_header.SrcMAC]
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        lea     esi, [ebx + ETH_DEVICE.mac]
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        lea     esi, [ebx + ETH_DEVICE.mac]
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        movsd
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        movsd
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        movsw
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        movsw
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        cmp     word[edi], ETHER_PPP_SESSION    ; Allow only PPP_discovery, or LCP
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 152 
        je      @f
171 
        mov     ax, ETHER_PPP_DISCOVERY
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        mov     ax, ETHER_PPP_DISCOVERY
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        stosw
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        stosw
- 
 
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       @@:
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; And send the packet
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; And send the packet
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        call    [ebx + NET_DEVICE.transmit]
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        call    [ebx + NET_DEVICE.transmit]
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 202 
 
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        cmp     ax, PPP_IPv4
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        cmp     ax, PPP_IPv4
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        je      IPv4_input
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        je      IPv4_input
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        cmp     ax, PPP_LCP
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        cmp     ax, PPP_LCP
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        je      LCP_input
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        je      PPPoE_discovery_input   ; Send LCP packets to the PPP dialer
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        xor     edi, edi
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        xor     edi, edi
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        ret
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 - 
 
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;-----------------------------------------------------------------
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296 
;
 - 
 
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; LCP_input:
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;
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;  IN:  Pointer to buffer in [esp]
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300 
;       size of buffer in [esp+4]
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;       pointer to device struct in ebx
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;       pointer to LCP header in edx
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;       size of LCP packet in ecx
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;  OUT: /
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;
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;-----------------------------------------------------------------
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align 4
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LCP_input:
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        DEBUGF  1,"LCP_input\n"
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        cmp     [edx + LCP_frame.Code], LCP_echo_request
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313 
        je      .echo
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        jmp     .dump
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  .echo:
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        mov     [edx + LCP_frame.Code], LCP_echo_reply
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        mov     esi, [esp]
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 - 
 
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        push    dword [esi + ETH_header.DstMAC]
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        push    dword [esi + ETH_header.SrcMAC]
 - 
 
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        pop     dword [esi + ETH_header.DstMAC]
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        pop     dword [esi + ETH_header.SrcMAC]
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        push    word [esi + ETH_header.DstMAC + 4]
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        push    word [esi + ETH_header.SrcMAC + 4]
 - 
 
327 
        pop     word [esi + ETH_header.DstMAC + 4]
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328 
        pop     word [esi + ETH_header.SrcMAC + 4]
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329 
 
 - 
 
330 
        call    [ebx + NET_DEVICE.transmit]
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331 
        ret
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332 
 
 - 
 
333 
  .dump:
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        DEBUGF  2,"LCP_input: dumping\n"
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335 
        call    kernel_free
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336 
        add     esp, 4
 - 
 
337 
        ret
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338 
 
 - 
 
339 
 
 - 
 
340 
 
 273 
        ret
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align 4
 275