| 17,6 → 17,7 |
|---|
| $Revision: 3346 $ |
| |
| ETH_FRAME_MINIMUM = 60 |
| ETH_QUEUE_SIZE = 255 |
| |
| struct ETH_header |
| |
| 32,6 → 33,14 |
|---|
| |
| ends |
| |
| struct ETH_queue_entry |
| |
| device dd ? |
| packet dd ? |
| size dd ? |
| |
| ends |
| |
| iglobal |
| align 4 |
| |
| 38,6 → 47,26 |
|---|
| ETH_BROADCAST dp 0xffffffffffff |
| endg |
| |
| uglobal |
| align 4 |
| ETH_input_event dd ? |
| ETH_queue rd (ETH_QUEUE_SIZE*sizeof.ETH_queue_entry + sizeof.queue)/4 |
| endg |
| |
| macro ETH_init { |
| |
| init_queue ETH_queue |
| |
| movi ebx, 1 |
| mov ecx, ETH_process_input |
| call new_sys_threads |
| test eax, eax |
| jns @f |
| DEBUGF DEBUG_NETWORK_ERROR,'K : cannot create kernel thread for ethernet, error %d\n', eax |
| @@: |
| |
| } |
| |
| ;----------------------------------------------------------------- |
| ; |
| ; ETH_input |
| 53,9 → 82,61 |
|---|
| ;----------------------------------------------------------------- |
| align 4 |
| ETH_input: |
| mov eax, [esp] |
| mov ecx, [esp+4] |
| |
| push ebx |
| mov esi, esp |
| |
| pushf |
| cli |
| add_to_queue ETH_queue, ETH_QUEUE_SIZE, sizeof.ETH_queue_entry, .fail |
| popf |
| |
| add esp, sizeof.ETH_queue_entry |
| |
| xor edx, edx |
| mov eax, [ETH_input_event] |
| mov ebx, [eax + EVENT.id] |
| xor esi, esi |
| call raise_event |
| |
| ret |
| |
| .fail: |
| popf |
| DEBUGF DEBUG_NETWORK_VERBOSE, "ETH incoming queue is full, discarding packet!\n" |
| |
| add esp, sizeof.ETH_queue_entry - 8 |
| call NET_packet_free |
| add esp, 4 |
| |
| ret |
| |
| |
| |
| |
| align 4 |
| ETH_process_input: |
| |
| xor esi, esi |
| mov ecx, MANUAL_DESTROY |
| call create_event |
| mov [ETH_input_event], eax |
| |
| .wait: |
| mov eax, [ETH_input_event] |
| mov ebx, [eax + EVENT.id] |
| call wait_event |
| |
| .loop: |
| get_from_queue ETH_queue, ETH_QUEUE_SIZE, sizeof.ETH_queue_entry, .wait |
| |
| mov eax, [esi + ETH_queue_entry.packet] |
| mov ecx, [esi + ETH_queue_entry.size] |
| mov ebx, [esi + ETH_queue_entry.device] |
| |
| pushd .loop ; return address |
| push ecx eax |
| |
| DEBUGF DEBUG_NETWORK_VERBOSE,"ETH_input: size=%u\n", ecx |
| sub ecx, sizeof.ETH_header |
| jb .dump |