| /kernel/trunk/network/IPv4.inc |
|---|
| 569,6 → 569,7 |
| ; IPv4_output |
| ; |
| ; IN: eax = Destination IP |
| ; ebx = device ptr (or 0 to let IP layer decide) |
| ; ecx = data length |
| ; edx = Source IP |
| ; di = TTL shl 8 + protocol |
| 863,6 → 864,7 |
| ; IPv4_route |
| ; |
| ; IN: eax = Destination IP |
| ; ebx = outgoing device / 0 |
| ; edx = Source IP |
| ; OUT: eax = Destination IP (or gateway IP) |
| ; edx = Source IP |
| 874,6 → 876,9 |
| align 4 |
| IPv4_route: ; TODO: return error if no valid route found |
| test ebx, ebx |
| jnz .got_device |
| cmp eax, 0xffffffff |
| je .broadcast |
| 903,8 → 908,29 |
| ret |
| .got_device: |
| ; Validate device ptr and convert to device number |
| call NET_ptr_to_num4 |
| cmp edi, -1 |
| je .fail |
| mov edx, [IP_LIST + edi] ; Source IP |
| ; Check if we should route to gateway or not |
| mov ebx, [IP_LIST + edi] |
| and ebx, [SUBNET_LIST + edi] |
| mov ecx, eax |
| and ecx, [SUBNET_LIST + edi] |
| je @f |
| mov eax, [GATEWAY_LIST + edi] |
| @@: |
| ret |
| .fail: |
| ret |
| ;--------------------------------------------------------------------------- |
| ; |
| ; IPv4_get_frgmnt_num |
| /kernel/trunk/network/icmp.inc |
|---|
| 388,6 → 388,7 |
| mov di, IP_PROTO_ICMP SHL 8 + 128 ; TTL |
| mov edx, [eax + IP_SOCKET.LocalIP] |
| mov ebx, [eax + IP_SOCKET.device] |
| mov eax, [eax + IP_SOCKET.RemoteIP] |
| call IPv4_output |
| jz .exit |
| /kernel/trunk/network/socket.inc |
|---|
| 1160,7 → 1160,7 |
| cmp dword[edx+8], 0 |
| je .unbind |
| movzx edx, byte[edx + 9] |
| movzx edx, byte[edx + 12] |
| cmp edx, NET_DEVICES_MAX |
| ja .invalid |
| /kernel/trunk/network/tcp_output.inc |
|---|
| 504,6 → 504,7 |
| mov ecx, esi |
| mov edx, [eax + IP_SOCKET.LocalIP] ; source ip |
| mov ebx, [eax + IP_SOCKET.device] |
| mov eax, [eax + IP_SOCKET.RemoteIP] ; dest ip |
| mov di, IP_PROTO_TCP shl 8 + 128 |
| call IPv4_output |
| /kernel/trunk/network/tcp_subr.inc |
|---|
| 287,6 → 287,7 |
| push cx ebx |
| mov eax, [ebx + IP_SOCKET.RemoteIP] |
| mov edx, [ebx + IP_SOCKET.LocalIP] |
| mov ebx, [ebx + IP_SOCKET.device] |
| mov ecx, sizeof.TCP_header |
| mov di, IP_PROTO_TCP shl 8 + 128 |
| call IPv4_output |
| 372,6 → 373,7 |
| mov eax, [edi] |
| mov ecx, sizeof.TCP_header |
| mov di, IP_PROTO_TCP shl 8 + 128 |
| xor ebx, ebx ;;; fixme |
| call IPv4_output |
| jz .error |
| pop esi cx |
| /kernel/trunk/network/udp.inc |
|---|
| 258,6 → 258,7 |
| sub esp, 4 ; Data ptr will be placed here |
| push edx esi |
| mov edx, [eax + IP_SOCKET.LocalIP] |
| mov ebx, [eax + IP_SOCKET.device] |
| mov eax, [eax + IP_SOCKET.RemoteIP] |
| mov di, IP_PROTO_UDP shl 8 + 128 |
| add ecx, sizeof.UDP_header |