| 578,6 → 578,9 |
|---|
| |
| push ecx eax edx di |
| |
| cmp eax, 1 shl 24 + 127 |
| je .loopback |
| |
| call IPv4_dest_to_dev ; outputs device number in edi, dest ip in eax |
| call ARP_IP_to_MAC |
| test eax, 0xffff0000 ; error bits |
| 597,6 → 600,7 |
|---|
| jz .eth_error |
| add esp, 6 ; pop the mac out of the stack |
| |
| .continue: |
| xchg cl, ch ; internet byte order |
| mov [edi + IPv4_header.VersionAndIHL], 0x45 ; IPv4, normal length (no Optional header) |
| mov [edi + IPv4_header.TypeOfService], 0 ; nothing special, just plain ip packet |
| 633,6 → 637,12 |
|---|
| xor edi, edi |
| ret |
| |
| .loopback: |
| mov dword [esp + 2], eax |
| add ecx, sizeof.IPv4_header |
| mov di, ETHER_IPv4 |
| call LOOP_output |
| jmp .continue |
| |
| |
| |