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Rev 1377 Rev 1514
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;;  Updates:                                                          ;;
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;;  Updates:                                                          ;;
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;;    Revision Look up table and SIS635 Mac Address by Jarek Pelczar  ;;
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;;    Revision Look up table and SIS635 Mac Address by Jarek Pelczar  ;;
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;;                                                                    ;;
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;;                                                                    ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; $Revision: 1377 $
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; $Revision: 1514 $
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	__DEBUG_LEVEL__ 	equ 1
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	__DEBUG_LEVEL__ 	equ 1
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include 'proc32.inc'
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include 'proc32.inc'
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include 'imports.inc'
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include 'imports.inc'
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include 'fdo.inc'
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include 'fdo.inc'
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include 'netdrv.inc'
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public START
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public version
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struc IOCTL {
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      .handle		dd ?
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      .io_code		dd ?
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      .input		dd ?
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      .inp_size 	dd ?
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      .output		dd ?
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      .out_size 	dd ?
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}
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virtual at 0
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  IOCTL IOCTL
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public START
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end virtual
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public version
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NUM_RX_DESC    equ    4 	      ;* Number of RX descriptors *
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NUM_RX_DESC    equ    4 	      ;* Number of RX descriptors *
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NUM_TX_DESC    equ    1 	      ;* Number of TX descriptors *
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NUM_TX_DESC    equ    1 	      ;* Number of TX descriptors *
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RX_BUFF_SZ	    equ    1520 	   ;* Buffer size for each Rx buffer *
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RX_BUFF_SZ	    equ    1520 	   ;* Buffer size for each Rx buffer *
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TX_BUFF_SZ	    equ    1516 	   ;* Buffer size for each Tx buffer *
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MAX_ETH_FRAME_SIZE  equ    1516
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TX_BUFF_SZ	    equ    1516 	   ;* Buffer size for each Tx buffer *
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TOTAL_BUFFERS_SIZE equ NUM_RX_DESC*RX_BUFF_SZ + NUM_TX_DESC*TX_BUFF_SZ
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struc ETH_DEVICE {
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; pointers to procedures
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      .unload		dd ?
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      .reset		dd ?
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      .transmit 	dd ?
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MAX_ETH_FRAME_SIZE  equ    1516
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      .set_MAC		dd ?
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      .get_MAC		dd ?
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      .set_mode 	dd ?
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      .get_mode 	dd ?
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; status & variables
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      .bytes_tx 	dq ?
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      .bytes_rx 	dq ?
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TOTAL_BUFFERS_SIZE equ NUM_RX_DESC*RX_BUFF_SZ + NUM_TX_DESC*TX_BUFF_SZ
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      .packets_tx	dd ?
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virtual at 0
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      .packets_rx	dd ?
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	device:
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      .mode		dd ?  ; This dword contains cable status (10mbit/100mbit, full/half duplex, auto negotiation or not,..)
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      .name		dd ?
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	ETH_DEVICE
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      .mac		dp ?
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align 4
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align 4
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      .special_func:	dd 0
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      .special_func:	dd 0
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      .txd: times (3 * NUM_TX_DESC) dd 0
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      .txd: times (3 * NUM_TX_DESC) dd 0
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      .rxd: times (3 * NUM_RX_DESC) dd 0
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      .rxd: times (3 * NUM_RX_DESC) dd 0
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      .size:
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      .size:
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}
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end virtual
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; First page is designated to ETH_DEVICE, buffers start from second
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; First page is designated to ETH_DEVICE, buffers start from second
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ALLOCATION_SIZE = ((device.size+0FFFh) and not 0FFFh) + TOTAL_BUFFERS_SIZE
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ALLOCATION_SIZE = ((device.size+0FFFh) and not 0FFFh) + TOTAL_BUFFERS_SIZE
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; Note that buffers must be contiguous in the physical memory;
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; Note that buffers must be contiguous in the physical memory;
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; because KernelAlloc allocates contiguous physical pages only in 8-pages blocks,
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; because KernelAlloc allocates contiguous physical pages only in 8-pages blocks,
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; align ALLOCATION_SIZE up to 8*(page size) = 8000h
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; align ALLOCATION_SIZE up to 8*(page size) = 8000h
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ALLOCATION_SIZE = (ALLOCATION_SIZE + 7FFFh) and not 7FFFh
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ALLOCATION_SIZE = (ALLOCATION_SIZE + 7FFFh) and not 7FFFh
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MAX_DEVICES = 16	; maximum number of devices which this driver can handle
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virtual at 0
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  device ETH_DEVICE
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MAX_DEVICES = 16	; maximum number of devices which this driver can handle
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end virtual
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	call	SIS900_probe
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	call	SIS900_probe
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	test	eax, eax
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	test	eax, eax
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	jnz	.destroy
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	jnz	.destroy
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; 4n. If device was successfully initialized, register it for the kernel.
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; 4n. If device was successfully initialized, register it for the kernel.
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	mov	[device.type], NET_TYPE_ETH
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	call	NetRegDev
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	call	EthRegDev
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	cmp	eax, -1
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	cmp	eax, -1
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	je	.destroy
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	je	.destroy
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	ret	4
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	ret	4
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; 5. If the device was already loaded, find the device number and return it in eax
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; 5. If the device was already loaded, find the device number and return it in eax
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  .find_devicenum:
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  .find_devicenum:
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	mov	ebx, eax
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	mov	ebx, eax
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	call	EthStruc2Dev						; This kernel procedure converts a pointer to device struct in ebx
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	call	NetPtrToNum						; This kernel procedure converts a pointer to device struct in ebx