| 86,14 → 86,17 |
|---|
| ; |
| ; Send discovery packet |
| ; |
| ; ebx (ecx in app) = device |
| ; ecx (edx in app) = size packet |
| ; edx (esi in app) = pointer to packet |
| ; IN: eax = socket pointer |
| ; ecx = number of bytes to send |
| ; esi = pointer to data |
| ; |
| ;-------------------------------------- |
| |
| align 4 |
| PPPoE_discovery_output: |
| |
| DEBUGF 2,"PPPoE_discovery_output: socket=%x buffer=%x size=%d\n", eax, esi, ecx |
| |
| ; RFC2516: An entire PADI packet (including the PPPoE header) MUST NOT |
| ; exceed 1484 octets. |
| cmp ecx, 1484 + 14 |
| 100,6 → 103,8 |
|---|
| ja .bad |
| |
| ; Check that device exists and is ethernet device |
| mov ebx, [eax + SOCKET.device] |
| |
| cmp ebx, MAX_NET_DEVICES |
| ja .bad |
| |
| 110,16 → 115,26 |
|---|
| cmp [ebx + NET_DEVICE.type], NET_TYPE_ETH |
| jne .bad |
| |
| DEBUGF 2,"PPPoE_discovery_output: device=%x\n", ebx |
| |
| ; Create packet. |
| push ecx esi |
| stdcall kernel_alloc, 1500 |
| pop esi ecx |
| test eax, eax |
| jz .bad |
| |
| push ecx eax |
| |
| mov edx, ecx |
| mov edi, eax |
| rep movsb |
| |
| cmp edx, 60 ; Min ETH size |
| ja @f |
| mov edx, 60 |
| @@: |
| |
| push edx eax ; size and packet ptr for driver send proc |
| |
| ; Overwrite source MAC and protocol type |
| lea edi, [eax + ETH_header.SrcMAC] |
| lea esi, [ebx + ETH_DEVICE.mac] |