| 634,6 → 634,8 |
|---|
| push ecx ax edi |
| mov eax, edi |
| call ipv4_route ; outputs device number in edi, dest ip in eax, source IP in edx |
| test eax, eax |
| jz .no_route |
| push edx |
| test edi, edi |
| jz .loopback |
| 683,6 → 685,12 |
|---|
| xor eax, eax |
| ret |
| |
| .no_route: |
| DEBUGF DEBUG_NETWORK_ERROR, "IPv4_output: No route to host!\n" |
| add esp, 2*4+2 |
| xor eax, eax |
| ret |
| |
| .arp_error: |
| DEBUGF DEBUG_NETWORK_ERROR, "IPv4_output: ARP error=%x\n", eax |
| add esp, 4 |
| 917,7 → 925,7 |
|---|
| ; ebx = outgoing device / 0 ; |
| ; edx = Source IP ; |
| ; ; |
| ; OUT: eax = Destination IP (or gateway IP) ; |
| ; OUT: eax = Destination IP (may be gateway), 0 on error ; |
| ; edx = Source IP ; |
| ; edi = device number*4 ; |
| ; ; |
| 926,7 → 934,7 |
|---|
| ; ; |
| ;-----------------------------------------------------------------; |
| align 4 |
| ipv4_route: ; TODO: return error if no valid route found |
| ipv4_route: |
| |
| test ebx, ebx |
| jnz .got_device |
| 979,6 → 987,7 |
|---|
| ret |
| |
| .fail: |
| xor eax, eax |
| ret |
| |
| |