| /kernel/branches/net/applications/pppoe/pppoe.asm |
|---|
| 32,6 → 32,14 |
| include '../network.inc' |
| include '../struct.inc' |
| ; Ethernet protocol numbers |
| ETHER_PPP_DISCOVERY = 0x6388 |
| ETHER_PPP_SESSION = 0x6488 |
| ; PPP protocol numbers |
| PPP_IPv4 = 0x2100 |
| PPP_LCP = 0x21c0 |
| ; PPP Active Discovery... |
| PPPoE_PADI = 0x09 ; .. Initiation |
| PPPoE_PADO = 0x07 ; .. Offer |
| 45,6 → 53,18 |
| TAG_HOST_UNIQ = 0x0301 |
| TAG_AC_COOKIE = 0x0401 |
| 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 |
| struct ETH_frame |
| DestMac dp ? |
| SrcMac dp ? |
| 51,7 → 71,6 |
| Type dw ? |
| ends |
| struct PPPoE_frame ETH_frame |
| VersionAndType db ? |
| Code db ? |
| 60,6 → 79,17 |
| Payload rb 0 |
| ends |
| struct PPP_frame PPPoE_frame |
| Protocol dw ? |
| ends |
| struct LCP_frame PPP_frame |
| LCP_Code db ? |
| LCP_Identifier db ? |
| LCP_Length dw ? |
| LCP_Data rb 0 |
| ends |
| ; entry point |
| start: |
| ; load libraries |
| 99,6 → 129,12 |
| cmp eax, sizeof.PPPoE_frame |
| jb mainloop |
| cmp word [buffer + ETH_frame.Type], ETHER_PPP_SESSION |
| je LCP_input |
| cmp word [buffer + ETH_frame.Type], ETHER_PPP_DISCOVERY |
| jne mainloop |
| cmp [buffer + PPPoE_frame.Code], PPPoE_PADO |
| je pado |
| 166,6 → 202,35 |
| mcall send, [socketnum], PADT, 14 + 6, 0 |
| jmp exit |
| LCP_input: |
| cmp word [buffer + PPP_frame.Protocol], PPP_LCP |
| jne mainloop |
| cmp [buffer + LCP_frame.LCP_Code], LCP_echo_request |
| je .echo |
| .dump: |
| jmp mainloop |
| .echo: |
| mov [buffer + LCP_frame.LCP_Code], LCP_echo_reply |
| push dword [buffer + ETH_frame.DestMac] |
| push dword [buffer + ETH_frame.SrcMac] |
| pop dword [buffer + ETH_frame.DestMac] |
| pop dword [buffer + ETH_frame.SrcMac] |
| push word [buffer + ETH_frame.DestMac + 4] |
| push word [buffer + ETH_frame.SrcMac + 4] |
| pop word [buffer + ETH_frame.DestMac + 4] |
| pop word [buffer + ETH_frame.SrcMac + 4] |
| mov esi, eax |
| mcall send, [socketnum], buffer, , 0 ; now send it! |
| jmp mainloop |
| ; data |
| title db 'PPPoE',0 |
| str1 db 'Sending PADI',13,10,0 |
| 228,6 → 293,7 |
| i_end: |
| socketnum dd ? |
| sid dw ? |
| buffer rb 4096 |
| rb 4096 ; stack |
| mem: |
| /kernel/branches/net/network/PPPoE.inc |
|---|
| 22,34 → 22,14 |
| 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 |
| ; PPPoE_init |
| ; |
| ; This function resets all IP variables |
| ; |
| 168,8 → 148,11 |
| lea esi, [ebx + ETH_DEVICE.mac] |
| movsd |
| movsw |
| cmp word[edi], ETHER_PPP_SESSION ; Allow only PPP_discovery, or LCP |
| je @f |
| mov ax, ETHER_PPP_DISCOVERY |
| stosw |
| @@: |
| ; And send the packet |
| call [ebx + NET_DEVICE.transmit] |
| 221,7 → 204,7 |
| je IPv4_input |
| cmp ax, PPP_LCP |
| je LCP_input |
| je PPPoE_discovery_input ; Send LCP packets to the PPP dialer |
| DEBUGF 2,"PPPoE_input: Unknown protocol=%x\n", ax |
| 290,56 → 273,6 |
| ret |
| ;----------------------------------------------------------------- |
| ; |
| ; 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 |