| 574,6 → 574,7 |
|---|
| out dx, eax |
| |
| mov [device.cur_tx], 0 ; Set current tx descriptor to 0 |
| mov [device.last_tx], 0 |
| |
| DEBUGF 1, "Initialising RX Descriptors\n" |
| |
| 991,8 → 992,8 |
|---|
| shl ecx, 4 ; *16 |
| lea ecx, [device.txd + ecx] |
| |
| ;; TODO: check if desc is empty (for example: check for eax, 0x6200000 at [ecx+4] |
| ;;; or: count number of available descriptors |
| test dword [ecx + 4], 0x80000000 ; card owns descriptor ? |
| jnz .error |
| |
| mov eax, [esp + 4] |
| mov dword [ecx + 12], eax |
| 1121,13 → 1122,6 |
|---|
| inc [device.cur_rx] ; get next descriptor |
| and [device.cur_rx], NUM_RX_DESC-1 ; only 4 descriptors 0-3 |
| |
| ; Enable Receiver CHECKME |
| ; set_io 0 |
| ; set_io cr ; Command Register offset |
| ; in eax, dx ; Get current Command Register |
| ; or eax, RxENA ; Enable Receiver |
| ; out dx, eax |
| |
| pop ax |
| |
| .no_rx: |
| 1136,9 → 1130,25 |
|---|
| |
| DEBUGF 1, "TX ok!\n" |
| |
| ;;; TODO: free all unused buffers |
| ;; stdcall KernelFree, eax |
| .tx_loop: |
| movzx ecx, [device.last_tx] |
| shl ecx, 4 ; *16 |
| lea ecx, [device.txd + ecx] |
| |
| test dword [ecx + 4], 0x80000000 ; card owns descr |
| jnz .no_tx |
| cmp dword [ecx + 12], 0 |
| je .no_tx |
| |
| DEBUGF 1, "Freeing packet = %x\n", [ecx + 12]:8 |
| push dword [ecx + 12] |
| mov dword [ecx + 12], 0 |
| call KernelFree |
| |
| inc [device.last_tx] |
| and [device.last_tx], NUM_TX_DESC-1 |
| jmp .tx_loop |
| |
| .no_tx: |
| |
| ret |