| 156,9 → 156,17 |
|---|
| pop ecx edx |
| jne .checksum_mismatch |
| |
| ; Check packet type |
| |
| cmp [edx + ICMP_header.Type], ICMP_ECHO ; Is this an echo request? |
| jne .check_sockets |
| |
| ; Update stats (and validate device ptr) |
| call NET_ptr_to_num4 |
| cmp edi, -1 |
| je .dump |
| inc [ICMP_PACKETS_RX + edi] |
| |
| ; We well re-use the packet so we can create the response as fast as possible |
| ; Notice: this only works on pure ethernet |
| |
| 166,14 → 174,6 |
|---|
| mov [edx + ICMP_header.Type], ICMP_ECHOREPLY ; Change Packet type to reply |
| |
| mov esi, [esp] ; Start of buffer |
| |
| ; Update stats (and validate device ptr) |
| call NET_ptr_to_num |
| cmp edi, -1 |
| je .dump |
| inc [ICMP_PACKETS_RX + 4*edi] |
| inc [ICMP_PACKETS_TX + 4*edi] |
| |
| cmp ebx, LOOPBACK_DEVICE |
| je .loopback |
| |
| 225,6 → 225,11 |
|---|
| |
| ; Transmit the packet (notice that packet ptr and packet size have been on stack since start of the procedure!) |
| call [ebx + NET_DEVICE.transmit] |
| test eax, eax |
| jnz @f |
| call NET_ptr_to_num4 |
| inc [UDP_PACKETS_TX + edi] |
| @@: |
| ret |
| |
| |
| 254,10 → 259,11 |
|---|
| ; cmp [eax + ICMP_SOCKET.Identifier], |
| ; jne .next_socket |
| |
| ; call IPv4_dest_to_dev |
| ; cmp edi,-1 |
| ; je .dump |
| ; inc [ICMP_PACKETS_RX+edi] |
| ; Update stats (and validate device ptr) |
| call NET_ptr_to_num4 |
| cmp edi, -1 |
| je .dump |
| inc [ICMP_PACKETS_RX + edi] |
| |
| DEBUGF DEBUG_NETWORK_VERBOSE, "socket=%x\n", eax |
| |
| 336,6 → 342,11 |
|---|
| push edx edi |
| DEBUGF DEBUG_NETWORK_VERBOSE, "Sending ICMP Packet\n" |
| call [ebx + NET_DEVICE.transmit] |
| test eax, eax |
| jnz @f |
| call NET_ptr_to_num4 |
| inc [ICMP_PACKETS_TX + edi] |
| @@: |
| ret |
| .exit: |
| DEBUGF DEBUG_NETWORK_ERROR, "Creating ICMP Packet failed\n" |
| 386,6 → 397,11 |
|---|
| |
| DEBUGF DEBUG_NETWORK_VERBOSE, "Sending ICMP Packet\n" |
| call [ebx + NET_DEVICE.transmit] |
| test eax, eax |
| jnz @f |
| call NET_ptr_to_num4 |
| inc [ICMP_PACKETS_TX + edi] |
| @@: |
| ret |
| .exit: |
| DEBUGF DEBUG_NETWORK_ERROR, "Creating ICMP Packet failed\n" |