| 15,24 → 15,38 |
|---|
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| |
| struct PPPoE_frame |
| |
| VersionAndType db ? |
| Code db ? |
| SessionID dw ? |
| Length dw ? ; Length of payload, does NOT include the length PPPoE header. |
| Payload rb 0 |
| ends |
| |
| struct LCP_frame |
| Code db ? |
| Identifier db ? |
| Length dw ? |
| Data rb 0 |
| ends |
| |
| |
| uglobal |
| |
| PPPoE_SID dw ? |
| PPPoE_MAC dp ? |
| |
| endg |
| |
| LCP_config_request = 1 |
| LCP_config_ack = 2 |
| LCP_config_nak = 3 |
| LCP_config_reject = 4 |
| LCP_terminate_request = 5 |
| LCP_terminate_ack = 6 |
| LCP_code_reject = 7 |
| LCP_protocol_reject = 8 |
| LCP_echo_request = 9 |
| LCP_echo_reply = 10 |
| LCP_discard_request = 11 |
| |
| |
| ;----------------------------------------------------------------- |
| ; |
| ; IPv4_init |
| 206,6 → 220,9 |
|---|
| cmp ax, PPP_IPv4 |
| je IPv4_input |
| |
| cmp ax, PPP_LCP |
| je LCP_input |
| |
| DEBUGF 2,"PPPoE_input: Unknown protocol=%x\n", ax |
| |
| .dump: |
| 274,9 → 291,59 |
|---|
| |
| |
| |
| |
| ;----------------------------------------------------------------- |
| ; |
| ; LCP_input: |
| ; |
| ; IN: Pointer to buffer in [esp] |
| ; size of buffer in [esp+4] |
| ; pointer to device struct in ebx |
| ; pointer to LCP header in edx |
| ; size of LCP packet in ecx |
| ; OUT: / |
| ; |
| ;----------------------------------------------------------------- |
| align 4 |
| LCP_input: |
| |
| DEBUGF 1,"LCP_input\n" |
| |
| cmp [edx + LCP_frame.Code], LCP_echo_request |
| je .echo |
| |
| jmp .dump |
| |
| .echo: |
| mov [edx + LCP_frame.Code], LCP_echo_reply |
| mov esi, [esp] |
| |
| push dword [esi + ETH_header.DstMAC] |
| push dword [esi + ETH_header.SrcMAC] |
| pop dword [esi + ETH_header.DstMAC] |
| pop dword [esi + ETH_header.SrcMAC] |
| push word [esi + ETH_header.DstMAC + 4] |
| push word [esi + ETH_header.SrcMAC + 4] |
| pop word [esi + ETH_header.DstMAC + 4] |
| pop word [esi + ETH_header.SrcMAC + 4] |
| |
| call [ebx + NET_DEVICE.transmit] |
| ret |
| |
| .dump: |
| DEBUGF 2,"LCP_input: dumping\n" |
| call kernel_free |
| add esp, 4 |
| ret |
| |
| |
| |
| |
| align 4 |
| PPPoE_start_connection: |
| |
| DEBUGF 2,"PPPoE_start_connection: %x\n", cx |
| |
| cmp [PPPoE_SID], 0 |
| jne .fail |
| |
| 295,6 → 362,8 |
|---|
| align 4 |
| PPPoE_stop_connection: |
| |
| DEBUGF 2,"PPPoE_stop_connection\n" |
| |
| xor eax, eax |
| mov [PPPoE_SID], ax |
| mov dword [PPPoE_MAC], eax |