| 319,7 → 319,7 |
|---|
| xchg al, ah |
| shl ax, 3 |
| |
| DEBUGF DEBUG_NETWORK_VERBOSE, "IPv4_input: fragmented packet offset=%u id=%x\n", ax, [edx + IPv4_header.Identification]:4 |
| DEBUGF DEBUG_NETWORK_VERBOSE, "IPv4_input: fragmented packet offset=%u id=%x ptr=0x%x\n", ax, [edx + IPv4_header.Identification]:4, edx |
| |
| test ax, ax ; Is this the first packet of the fragment? |
| jz .is_first_fragment |
| 474,6 → 474,8 |
|---|
| add esi, ebx ; |
| .first_fragment: |
| |
| |
| DEBUGF DEBUG_NETWORK_VERBOSE, "IPv4_input: Copying %u bytes from 0x%x to 0x%x\n", ecx, esi, edi |
| push cx ; First copy dword-wise, then byte-wise |
| shr cx, 2 ; |
| rep movsd ; |
| 482,11 → 484,12 |
|---|
| rep movsb ; |
| |
| push eax |
| push [edx + IPv4_FRAGMENT_entry.Owner] ; we need to remeber the owner, in case this is the last packet |
| push [edx + IPv4_FRAGMENT_entry.NextPtr] ; Set edx to the next pointer |
| push edx ; Push pointer to fragment onto stack |
| mov ebx, [edx + IPv4_FRAGMENT_entry.Owner] ; we need to remeber the owner, in case this is the last packet |
| mov edx, [edx + IPv4_FRAGMENT_entry.NextPtr] ; Set edx to the next pointer |
| DEBUGF DEBUG_NETWORK_VERBOSE, "IPv4_input: Next Fragment: 0x%x\n", edx |
| call NET_packet_free ; free the previous fragment buffer (this uses the value from stack) |
| pop eax |
| pop edx ebx eax |
| cmp edx, -1 ; Check if it is last fragment in chain |
| jne .rebuild_packet_loop |
| |
| 498,6 → 501,8 |
|---|
| xchg cl, ch |
| push ecx |
| |
| DEBUGF DEBUG_NETWORK_VERBOSE, "IPv4_input: Packet is now de-fragmented\n" |
| |
| push eax |
| jmp .handle_it ; edx = buf ptr, ecx = size, [esp] buf ptr, [esp+4], total size, ebx=device ptr |
| |