| 260,6 → 260,9 |
|---|
| .pci_dev dd ? |
| .irq_line db ? |
| |
| .cur_tx dd ? |
| .last_tx dd ? |
| |
| rb 0x100 - (($ - device) and 0xff) |
| .rx_desc rd 256/8 |
| |
| 409,6 → 412,8 |
|---|
| mov [device_list+4*eax], ebx ; (IRQ handler uses this list to find device) |
| inc [devices] ; |
| |
| call start_i8254x |
| |
| mov [device.type], NET_TYPE_ETH |
| call NetRegDev |
| |
| 493,7 → 498,7 |
|---|
| @@: |
| |
| |
| reset: |
| reset_dontstart: |
| DEBUGF 1,"Reset\n" |
| |
| mov esi, [device.mmio_addr] |
| 549,6 → 554,11 |
|---|
| mov dword [esi + REG_TIPG], 0x0060200A ; IPGT 10, IPGR1 8, IPGR2 6 |
| |
| xor eax, eax |
| ret |
| |
| start_i8254x: |
| |
| xor eax, eax |
| mov [esi + REG_RDTR], eax ; Clear the Receive Delay Timer Register |
| mov [esi + REG_RADV], eax ; Clear the Receive Interrupt Absolute Delay Timer |
| mov [esi + REG_RSRPD], eax ; Clear the Receive Small Packet Detect Interrupt |
| 561,8 → 571,15 |
|---|
| xor eax, eax |
| ret |
| |
| align 4 |
| reset: |
| call reset_dontstart |
| call start_i8254x |
| |
| ret |
| |
| |
| |
| align 4 |
| read_mac: |
| |
| 626,6 → 643,7 |
|---|
| cmp dword [esp + 8], 60 |
| jl .fail |
| |
| |
| ; Program the descriptor (use legacy mode) |
| lea edi, [device.tx_desc] ; Transmit Descriptor Base Address |
| mov dword [edi + 16], eax ; Store the data location (for driver) |
| 694,10 → 712,16 |
|---|
| push eax |
| push .retaddr |
| |
| movzx ecx, word [device.rx_desc + 8] ; Get the packet length |
| ; Get last descriptor addr |
| lea esi, [device.rx_desc] |
| |
| cmp byte [esi + 12], 0 ; Check status field |
| je .retaddr |
| |
| movzx ecx, word [esi + 8] ; Get the packet length |
| DEBUGF 2,"got %u bytes\n", ecx |
| push ecx |
| push [device.rx_desc + 16] ; Get packet pointer |
| push dword [esi + 16] ; Get packet pointer |
| |
| ; Update stats |
| add dword [device.bytes_rx], ecx |
| 706,9 → 730,9 |
|---|
| |
| ; allocate new descriptor |
| stdcall KernelAlloc, 48*1024 |
| mov dword [device.rx_desc + 16], eax |
| mov dword [esi + 16], eax |
| GetRealAddr |
| mov dword [device.rx_desc], eax |
| mov dword [esi], eax |
| |
| ; reset descriptor status |
| mov esi, [device.mmio_addr] |
| 738,8 → 762,11 |
|---|
| jz .no_tx |
| |
| DEBUGF 2,"Transmit done\n" |
| ; TODO: clear up used buffers |
| |
| lea edi, [device.tx_desc] ; Transmit Descriptor Base Address |
| push dword [edi + 16] ; Store the data location (for driver) |
| call KernelFree |
| |
| .no_tx: |
| .fail: |
| ret |