WebSVN – Kolibri OS – Diff – /kernel/trunk/network/eth_drv/ethernet.inc


;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;                                                                 ;;
;;  ETHERNET.INC                                                   ;;
;;                                                                 ;;
;;  Ethernet network layer for Menuet OS                           ;;
;;                                                                 ;;
;;  Version 0.4  22 September 2003                                 ;;
;;                                                                 ;;
;;  This file contains the following:                              ;;
;;      PCI bus scanning for valid devices                         ;;
;;      Table of supported ethernet drivers                        ;;
;;      Code to identify and activate a supported driver           ;;
;;      ARP handler                                                ;;
;;      Driver interface to the IP layer                           ;;
;;      Gateway support                                            ;;
;;                                                                 ;;
;;  Individual driver files are included here                      ;;
;;                                                                 ;;
;;  The PCI bus scanning code was ported from the etherboot        ;;
;;  5.0.6 project. The copyright statement for that code is        ;;
;;                                                                 ;;
;;          GNU GENERAL PUBLIC LICENSE                             ;;
;;             Version 2, June 1991                                ;;
;;                                                                 ;;
;;  remaining parts Copyright 2002 Mike Hibbett                    ;;
;;   mikeh@oceanfree.net                                           ;;
;;                                                                 ;;
;;  See file COPYING for details                                   ;;
;;                                                                 ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
;********************************************************************
;   Interface
;      ethernet_driver   called by stack_handler in stack.inc
;      eth_probe         called by app_stack_handler in stack.inc
;
;********************************************************************
 
ETHER_IP		    equ     0x0008	; Reversed from 0800 for intel
ETHER_ARP		    equ     0x0608	; Reversed from 0806 for intel
ETHER_RARP		    equ     0x3580
 
struc ETH_FRAME
{  .DstMAC	 dp   ?  ;destination MAC-address [6 bytes]
   .SrcMAC	 dp   ?  ;source MAC-address [6 bytes]
   .Type	 dw   ?  ;type of the upper-layer protocol [2 bytes]
   .Data	 db   ?  ;data [46-1500 bytes]
}
 
virtual at Ether_buffer
  ETH_FRAME ETH_FRAME
end virtual
 
 
; Some useful information on data structures
 
;     Ethernet Packet - ARP Request example
;
;   0                   1                   2                   3
;   0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
;
;   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
;   |       Dest   H/W Address                                      |
;   |                    ( 14 byte header )                         |
;   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
;   |                               |     Source     H/W Address    |
;   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
;   |                                                               |
;   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
;   |    Protocol - ARP 08  06      |
;   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 
;   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
;   |  H/W Type  00           01    |  Protocol Type   08 00        |
;   |                   ( ARP Request packet )                      |
;   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
;   | HLen    0x06  | PLen    0x04  |    OpCode        00   01      |
;   |               ( 0001 for request, 0002 for reply )            |
;   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
;   | Source Hardware Address ( MAC Address )                       |
;   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
;   |                               |  Source IP Address            |
;   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
;   |                               | Destination Hardware Address  |
;   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
;   |                                                               |
;   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
;   | Destination IP Address                                        |
;   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 
; Include individual drivers source files at this point.
; If you create a new driver, include it below.
 
include "drivers/rtl8029.inc"
include "drivers/i8255x.inc"
include "drivers/rtl8139.inc"
include "drivers/3c59x.inc"
include "drivers/sis900.inc"
include "drivers/pcnet32.inc"
;include "drivers/mtd80x.inc"
include "drivers/rtl8169.inc"
 
; PCICards
; ========
; PCI vendor and hardware types for hardware supported by the above drivers
; If you add a driver, ensure you update this datastructure, otherwise the
; card will not be probed.
; Each driver is defined by 4 double words. These are
;   PCIVendorDevice  probeFunction ResetFunction PollFunction transmitFunction
; The last entry must be kept at all zeros, to indicate the end of the list
; As a PCI driver may support more than one hardware implementation, there may
; be several lines which refer to the same functions.
; The first driver found on the PCI bus will be the one used.
 
PCICARDS_ENTRY_SIZE	    equ     24	  ; Size of each PCICARDS entry
 
iglobal
PCICards:
dd  0x12098086, I8255x_probe, I8255x_reset, I8255x_poll, I8255x_transmit, 0
dd  0x10298086, I8255x_probe, I8255x_reset, I8255x_poll, I8255x_transmit, 0
dd  0x12298086, I8255x_probe, I8255x_reset, I8255x_poll, I8255x_transmit, 0
dd  0x10308086, I8255x_probe, I8255x_reset, I8255x_poll, I8255x_transmit, 0
dd  0x24498086, I8255x_probe, I8255x_reset, I8255x_poll, I8255x_transmit, 0
dd  0x802910ec, rtl8029_probe, rtl8029_reset, rtl8029_poll, rtl8029_transmit, 0
dd  0x12111113, rtl8029_probe, rtl8029_reset, rtl8029_poll, rtl8029_transmit, 0
 
dd  0x813910ec, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
dd  0x813810ec, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
dd  0x12111113, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
dd  0x13601500, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
dd  0x13604033, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
dd  0x13001186, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
dd  0x13401186, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
dd  0xab0613d1, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
dd  0xa1171259, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
dd  0xa11e1259, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
dd  0xab0614ea, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
dd  0xab0714ea, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
dd  0x123411db, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
dd  0x91301432, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
dd  0x101202ac, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
dd  0x0106018a, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
dd  0x1211126c, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
dd  0x81391743, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
dd  0x8139021b, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
 
dd  0x816810ec, rtl8169_probe, rtl8169_reset, rtl8169_poll, rtl8169_transmit, 0
dd  0x816910ec, rtl8169_probe, rtl8169_reset, rtl8169_poll, rtl8169_transmit, 0
dd  0x011616ec, rtl8169_probe, rtl8169_reset, rtl8169_poll, rtl8169_transmit, 0
dd  0x43001186, rtl8169_probe, rtl8169_reset, rtl8169_poll, rtl8169_transmit, 0
 
dd  0x590010b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
dd  0x592010b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
dd  0x597010b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
dd  0x595010b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
dd  0x595110b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
dd  0x595210b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
dd  0x900010b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
dd  0x900110b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
dd  0x900410b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
dd  0x900510b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
dd  0x900610b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
dd  0x900A10b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
dd  0x905010b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
dd  0x905110b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
dd  0x905510b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
dd  0x905810b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
dd  0x905A10b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
dd  0x920010b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
dd  0x980010b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
dd  0x980510b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
dd  0x764610b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
dd  0x505510b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
dd  0x605510b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
dd  0x605610b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
dd  0x5b5710b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
dd  0x505710b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
dd  0x515710b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
dd  0x525710b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
dd  0x656010b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
dd  0x656210b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
dd  0x656410b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
dd  0x450010b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
 
dd  0x09001039, SIS900_probe, SIS900_reset, SIS900_poll, SIS900_transmit, 0
 
dd  0x20001022, pcnet32_probe, pcnet32_reset, pcnet32_poll, pcnet32_xmit, 0
dd  0x26251022, pcnet32_probe, pcnet32_reset, pcnet32_poll, pcnet32_xmit, 0
dd  0x20011022, pcnet32_probe, pcnet32_reset, pcnet32_poll, pcnet32_xmit, 0
 
;dd  0x08031516, mtd80x_probe, mtd80x_reset, mtd80x_poll, mtd80x_transmit, mtd80x_cable
 
; following cards are untested
dd  0x70161039, SIS900_probe, SIS900_reset, SIS900_poll, SIS900_transmit, 0
;dd  0x08001516, mtd80x_probe, mtd80x_reset, mtd80x_poll, mtd80x_transmit, mtd80x_cable
;dd  0x08911516, mtd80x_probe, mtd80x_reset, mtd80x_poll, mtd80x_transmit, mtd80x_cable
 
rb PCICARDS_ENTRY_SIZE	; end of list marker, do not remove
endg
 
uglobal
;Net-stack's interface's settings
  node_addr:	      db  0,0,0,0,0,0
  gateway_ip:	      dd  0
  dns_ip:	      dd  0
 
  eth_rx_data_len:    dw  0
  eth_status:	      dd  0
  io_addr:	      dd  0
  hdrtype:	      db  0
  vendor_device:      dd  0
  pci_data:	      dd  0
  pci_dev:	      dd  0
  pci_bus:	      dd  0
 
  ; These will hold pointers to the selected driver functions
  drvr_probe:	      dd  0
  drvr_reset:	      dd  0
  drvr_poll:	      dd  0
  drvr_transmit:      dd  0
  drvr_cable:	      dd  0
 
endg
 
iglobal
  broadcast_add:      db  0xff,0xff,0xff,0xff,0xff,0xff
  subnet_mask:	      dd  0x00ffffff   ; 255.255.255.0
endg
 
include "arp.inc"    ;arp-protocol functions
include "pci.inc"    ;PCI bus access functions
 
 
;***************************************************************************
;   Function
;      eth_tx
;
;   Description
;      Looks at the NET1OUT_QUEUE for data to send.
;      Stores that destination IP in a location used by the tx routine
;      Looks up the MAC address in the ARP table; stores that where
;      the tx routine can get it
;      Get the length of the data. Store that where the tx routine wants it
;      Call tx
;      Places buffer on empty queue when the tx routine finished
;
;***************************************************************************
proc eth_tx stdcall uses ebx esi edi
local MACAddress  dp  ?  ;allocate 6 bytes in the stack
 
    ; Look for a buffer to tx
    mov     eax, NET1OUT_QUEUE
    call    dequeue
    cmp     ax, NO_BUFFER
    je	    .exit	     ; Exit if no buffer available
 
    push    eax  ;save buffer number
 
    ; convert buffer pointer eax to the absolute address
    imul    eax, IPBUFFSIZE
    add     eax, IPbuffs
 
    ; Extract the destination IP
    ; find the destination IP in the ARP table, get MAC
    ; store this MAC in 'MACAddress'
    mov     ebx, eax		   ; Save buffer address
    mov     edx, [ebx + 16]	   ; get destination address
 
    ; If the destination address is 255.255.255.255,
    ; set the MACAddress to all ones ( broadcast )
    cld
    mov     esi, broadcast_add
    lea     edi, [MACAddress]
    movsd
    movsw
    cmp     edx, 0xffffffff
    je	    .send		 ; If it is broadcast, just send
 
    lea     eax, [MACAddress]	 ;cause this is local variable
    stdcall arp_table_manager, ARP_TABLE_IP_TO_MAC, edx, eax ;opcode,IP,MAC_ptr - Get the MAC address.
 
    cmp     eax, ARP_VALID_MAPPING
    je	    .send
 
    ; No valid entry. Has the request been sent, but timed out?
    cmp     eax, ARP_RESPONSE_TIMEOUT
    je	    .freebuf
 
  .wait_response:		    ;we wait arp-response
				    ; Re-queue the packet, and exit
    pop     ebx
    mov     eax, NET1OUT_QUEUE
    call    queue			 ; Get the buffer back
    jmp     .exit
 
  .send:    ;if ARP_VALID_MAPPING then send the packet
    lea     edi, [MACAddress]	  ; Pointer to 48 bit destination address
    movzx   ecx, word[ebx+2]	  ; Size of IP packet to send
    xchg    ch, cl		  ; because mirror byte-order
    mov     esi, ebx		  ; Pointer to packet data
    mov     bx, ETHER_IP	  ; Type of packet
    call    dword [drvr_transmit] ; Call the drivers transmit function
 
    ; OK, we have sent a packet, so increment the count
    inc     dword [ip_tx_count]
 
    ; And finally, return the buffer to the free queue
  .freebuf:
    pop     eax
    call    freeBuff
 
  .exit:
    ret
endp
 
;***************************************************************************
;   Function
;      ether_IP_handler
;
;   Description
;      Called when an IP ethernet packet is received on the ethernet
;      Header + Data is in Ether_buffer[]
;      We just need to get a buffer from the 'free' queue, and
;      store the packet in it, then insert the packet number into the
;      IPRX queue.
;      If no queue entry is available, the packet is silently discarded
;      All registers may be destroyed
;
;***************************************************************************
ether_IP_handler:
    mov     eax, EMPTY_QUEUE
    call    dequeue
    cmp     ax, NO_BUFFER
    je	    eiph00x
 
    ; convert buffer pointer eax to the absolute address
    push    eax
    mov     ecx, IPBUFFSIZE
    mul     ecx
    add     eax, IPbuffs
 
    mov     edi, eax
 
    ; get a pointer to the start of the DATA
    mov     esi, ETH_FRAME.Data
 
    ; Now store it all away
    mov     ecx, IPBUFFSIZE / 4     ; Copy all of the available
			      ; data across - worse case
    cld
    rep     movsd
 
    ; And finally, place the buffer in the IPRX queue
    pop     ebx
    mov     eax, IPIN_QUEUE
    call    queue
 
eiph00x:
    ret
 
;***************************************************************************
;   Function
;      eth_probe
;   Description
;      Searches for an ethernet card. If found, the card is enabled and
;      the ethernet -> IP link established
;
;      This function scans the PCI bus looking for a supported device.
;      ISA bus is currently not supported.
;
;        eax is 0 if no hardware found
;***************************************************************************
eth_probe:
    ; Find a card on the PCI bus, and get it's address
    call    scan_bus			; Find the ethernet cards PIC address
    xor     eax, eax
    cmp     [io_addr], eax
    je	    ep_00x			; Return 0 in eax if no cards found
 
    call    dword [drvr_probe]		; Call the drivers probe function
 
    mov     eax, [io_addr]		; return a non zero value
 
ep_00x:
    ret
 
;***************************************************************************
;   Function
;      ethernet_driver
;
;   Description
;       The ethernet RX and TX handler
;       This is a kernel function, called by stack_handler
;
;***************************************************************************
ethernet_driver:
    ; Do nothing if the driver is inactive
    cmp     [ethernet_active], byte 0
    je	    eth_exit
 
    call    eth_rx
    call    eth_tx
 
eth_exit:
    ret
 
;***************************************************************************
;   Function
;      eth_rx
;
;   Description
;      Polls the ethernet card for received data. Extracts if present
;       Depending on the Protocol within the packet:
;         ARP : Pass to ARP_handler. This may result in an ARP reply
;               being tx'ed
;         IP  : Store in an IP buffer
;
;***************************************************************************
eth_rx:
    xor     ax, ax
    mov     [eth_rx_data_len], ax
    call    dword [drvr_poll]	    ; Call the drivers poll function
 
    mov     ax, [eth_rx_data_len]
    cmp     ax, 0
    je	    .exit
 
 
    ; Check the protocol. Call appropriate handler
 
    mov     ax, [ETH_FRAME.Type]    ; The address of the protocol word
 
    cmp     ax, ETHER_IP
    je	    .is_ip		     ; It's IP
 
    cmp     ax, ETHER_ARP
    je	    .is_arp		     ; It is ARP
 
    jmp     .exit		; If not IP or ARP, ignore
 
  .is_ip:
    DEBUGF  1,"K : eth_rx - IP packet\n"
    inc     dword [ip_rx_count]
    call    ether_IP_handler
    jmp     .exit
 
  .is_arp:
 
    DEBUGF  1,"K : eth_rx - ARP packet\n"
    ; At this point, the packet is still in the Ether_buffer
    call    arp_handler
 
  .exit:
    ret

Rev 323	Rev 373
1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
2	;; ;;	2	;; ;;
3	;; ETHERNET.INC ;;	3	;; ETHERNET.INC ;;
4	;; ;;	4	;; ;;
5	;; Ethernet network layer for Menuet OS ;;	5	;; Ethernet network layer for Menuet OS ;;
6	;; ;;	6	;; ;;
7	;; Version 0.4 22 September 2003 ;;	7	;; Version 0.4 22 September 2003 ;;
8	;; ;;	8	;; ;;
9	;; This file contains the following: ;;	9	;; This file contains the following: ;;
10	;; PCI bus scanning for valid devices ;;	10	;; PCI bus scanning for valid devices ;;
11	;; Table of supported ethernet drivers ;;	11	;; Table of supported ethernet drivers ;;
12	;; Code to identify and activate a supported driver ;;	12	;; Code to identify and activate a supported driver ;;
13	;; ARP handler ;;	13	;; ARP handler ;;
14	;; Driver interface to the IP layer ;;	14	;; Driver interface to the IP layer ;;
15	;; Gateway support ;;	15	;; Gateway support ;;
16	;; ;;	16	;; ;;
17	;; Individual driver files are included here ;;	17	;; Individual driver files are included here ;;
18	;; ;;	18	;; ;;
19	;; The PCI bus scanning code was ported from the etherboot ;;	19	;; The PCI bus scanning code was ported from the etherboot ;;
20	;; 5.0.6 project. The copyright statement for that code is ;;	20	;; 5.0.6 project. The copyright statement for that code is ;;
21	;; ;;	21	;; ;;
22	;; GNU GENERAL PUBLIC LICENSE ;;	22	;; GNU GENERAL PUBLIC LICENSE ;;
23	;; Version 2, June 1991 ;;	23	;; Version 2, June 1991 ;;
24	;; ;;	24	;; ;;
25	;; remaining parts Copyright 2002 Mike Hibbett ;;	25	;; remaining parts Copyright 2002 Mike Hibbett ;;
26	;; mikeh@oceanfree.net ;;	26	;; mikeh@oceanfree.net ;;
27	;; ;;	27	;; ;;
28	;; See file COPYING for details ;;	28	;; See file COPYING for details ;;
29	;; ;;	29	;; ;;
30	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;	30	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
31		31
32	;********************************************************************	32	;********************************************************************
33	; Interface	33	; Interface
34	; ethernet_driver called by stack_handler in stack.inc	34	; ethernet_driver called by stack_handler in stack.inc
35	; eth_probe called by app_stack_handler in stack.inc	35	; eth_probe called by app_stack_handler in stack.inc
36	;	36	;
37	;********************************************************************	37	;********************************************************************
38		38
39	ETHER_IP equ 0x0008 ; Reversed from 0800 for intel	39	ETHER_IP equ 0x0008 ; Reversed from 0800 for intel
40	ETHER_ARP equ 0x0608 ; Reversed from 0806 for intel	40	ETHER_ARP equ 0x0608 ; Reversed from 0806 for intel
41	ETHER_RARP equ 0x3580	41	ETHER_RARP equ 0x3580
42		42
43	struc ETH_FRAME	43	struc ETH_FRAME
44	{ .DstMAC dp ? ;destination MAC-address [6 bytes]	44	{ .DstMAC dp ? ;destination MAC-address [6 bytes]
45	.SrcMAC dp ? ;source MAC-address [6 bytes]	45	.SrcMAC dp ? ;source MAC-address [6 bytes]
46	.Type dw ? ;type of the upper-layer protocol [2 bytes]	46	.Type dw ? ;type of the upper-layer protocol [2 bytes]
47	.Data db ? ;data [46-1500 bytes]	47	.Data db ? ;data [46-1500 bytes]
48	}	48	}
49		49
50	virtual at Ether_buffer	50	virtual at Ether_buffer
51	ETH_FRAME ETH_FRAME	51	ETH_FRAME ETH_FRAME
52	end virtual	52	end virtual
53		53
54		54
55	; Some useful information on data structures	55	; Some useful information on data structures
56		56
57	; Ethernet Packet - ARP Request example	57	; Ethernet Packet - ARP Request example
58	;	58	;
59	; 0 1 2 3	59	; 0 1 2 3
60	; 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1	60	; 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
61	;	61	;
62	; +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+	62	; +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
63	; \| Dest H/W Address \|	63	; \| Dest H/W Address \|
64	; \| ( 14 byte header ) \|	64	; \| ( 14 byte header ) \|
65	; +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+	65	; +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
66	; \| \| Source H/W Address \|	66	; \| \| Source H/W Address \|
67	; +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+	67	; +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
68	; \| \|	68	; \| \|
69	; +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+	69	; +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
70	; \| Protocol - ARP 08 06 \|	70	; \| Protocol - ARP 08 06 \|
71	; +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+	71	; +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
72		72
73	; +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+	73	; +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
74	; \| H/W Type 00 01 \| Protocol Type 08 00 \|	74	; \| H/W Type 00 01 \| Protocol Type 08 00 \|
75	; \| ( ARP Request packet ) \|	75	; \| ( ARP Request packet ) \|
76	; +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+	76	; +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
77	; \| HLen 0x06 \| PLen 0x04 \| OpCode 00 01 \|	77	; \| HLen 0x06 \| PLen 0x04 \| OpCode 00 01 \|
78	; \| ( 0001 for request, 0002 for reply ) \|	78	; \| ( 0001 for request, 0002 for reply ) \|
79	; +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+	79	; +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
80	; \| Source Hardware Address ( MAC Address ) \|	80	; \| Source Hardware Address ( MAC Address ) \|
81	; +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+	81	; +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
82	; \| \| Source IP Address \|	82	; \| \| Source IP Address \|
83	; +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+	83	; +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
84	; \| \| Destination Hardware Address \|	84	; \| \| Destination Hardware Address \|
85	; +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+	85	; +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
86	; \| \|	86	; \| \|
87	; +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+	87	; +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
88	; \| Destination IP Address \|	88	; \| Destination IP Address \|
89	; +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+	89	; +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
90		90
91	; Include individual drivers source files at this point.	91	; Include individual drivers source files at this point.
92	; If you create a new driver, include it below.	92	; If you create a new driver, include it below.
93		93
94	include "drivers/rtl8029.inc"	94	include "drivers/rtl8029.inc"
95	include "drivers/i8255x.inc"	95	include "drivers/i8255x.inc"
96	include "drivers/rtl8139.inc"	96	include "drivers/rtl8139.inc"
97	include "drivers/3c59x.inc"	97	include "drivers/3c59x.inc"
98	include "drivers/sis900.inc"	98	include "drivers/sis900.inc"
99	include "drivers/pcnet32.inc"	99	include "drivers/pcnet32.inc"
100	;include "drivers/mtd80x.inc"	100	;include "drivers/mtd80x.inc"
-		101	include "drivers/rtl8169.inc"
101		102
102	; PCICards	103	; PCICards
103	; ========	104	; ========
104	; PCI vendor and hardware types for hardware supported by the above drivers	105	; PCI vendor and hardware types for hardware supported by the above drivers
105	; If you add a driver, ensure you update this datastructure, otherwise the	106	; If you add a driver, ensure you update this datastructure, otherwise the
106	; card will not be probed.	107	; card will not be probed.
107	; Each driver is defined by 4 double words. These are	108	; Each driver is defined by 4 double words. These are
108	; PCIVendorDevice probeFunction ResetFunction PollFunction transmitFunction	109	; PCIVendorDevice probeFunction ResetFunction PollFunction transmitFunction
109	; The last entry must be kept at all zeros, to indicate the end of the list	110	; The last entry must be kept at all zeros, to indicate the end of the list
110	; As a PCI driver may support more than one hardware implementation, there may	111	; As a PCI driver may support more than one hardware implementation, there may
111	; be several lines which refer to the same functions.	112	; be several lines which refer to the same functions.
112	; The first driver found on the PCI bus will be the one used.	113	; The first driver found on the PCI bus will be the one used.
113		114
114	PCICARDS_ENTRY_SIZE equ 24 ; Size of each PCICARDS entry	115	PCICARDS_ENTRY_SIZE equ 24 ; Size of each PCICARDS entry
115		116
116	iglobal	117	iglobal
117	PCICards:	118	PCICards:
118	dd 0x12098086, I8255x_probe, I8255x_reset, I8255x_poll, I8255x_transmit, 0	119	dd 0x12098086, I8255x_probe, I8255x_reset, I8255x_poll, I8255x_transmit, 0
119	dd 0x10298086, I8255x_probe, I8255x_reset, I8255x_poll, I8255x_transmit, 0	120	dd 0x10298086, I8255x_probe, I8255x_reset, I8255x_poll, I8255x_transmit, 0
120	dd 0x12298086, I8255x_probe, I8255x_reset, I8255x_poll, I8255x_transmit, 0	121	dd 0x12298086, I8255x_probe, I8255x_reset, I8255x_poll, I8255x_transmit, 0
121	dd 0x10308086, I8255x_probe, I8255x_reset, I8255x_poll, I8255x_transmit, 0	122	dd 0x10308086, I8255x_probe, I8255x_reset, I8255x_poll, I8255x_transmit, 0
122	dd 0x24498086, I8255x_probe, I8255x_reset, I8255x_poll, I8255x_transmit, 0	123	dd 0x24498086, I8255x_probe, I8255x_reset, I8255x_poll, I8255x_transmit, 0
123	dd 0x802910ec, rtl8029_probe, rtl8029_reset, rtl8029_poll, rtl8029_transmit, 0	124	dd 0x802910ec, rtl8029_probe, rtl8029_reset, rtl8029_poll, rtl8029_transmit, 0
124	dd 0x12111113, rtl8029_probe, rtl8029_reset, rtl8029_poll, rtl8029_transmit, 0	125	dd 0x12111113, rtl8029_probe, rtl8029_reset, rtl8029_poll, rtl8029_transmit, 0
125		126
126	dd 0x813910ec, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable	127	dd 0x813910ec, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
127	dd 0x813810ec, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable	128	dd 0x813810ec, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
128	dd 0x12111113, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable	129	dd 0x12111113, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
129	dd 0x13601500, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable	130	dd 0x13601500, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
130	dd 0x13604033, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable	131	dd 0x13604033, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
131	dd 0x13001186, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable	132	dd 0x13001186, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
132	dd 0x13401186, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable	133	dd 0x13401186, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
133	dd 0xab0613d1, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable	134	dd 0xab0613d1, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
134	dd 0xa1171259, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable	135	dd 0xa1171259, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
135	dd 0xa11e1259, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable	136	dd 0xa11e1259, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
136	dd 0xab0614ea, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable	137	dd 0xab0614ea, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
137	dd 0xab0714ea, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable	138	dd 0xab0714ea, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
138	dd 0x123411db, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable	139	dd 0x123411db, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
139	dd 0x91301432, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable	140	dd 0x91301432, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
140	dd 0x101202ac, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable	141	dd 0x101202ac, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
141	dd 0x0106018a, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable	142	dd 0x0106018a, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
142	dd 0x1211126c, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable	143	dd 0x1211126c, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
143	dd 0x81391743, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable	144	dd 0x81391743, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
144	dd 0x8139021b, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable	145	dd 0x8139021b, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
-		146
-		147	dd 0x816810ec, rtl8169_probe, rtl8169_reset, rtl8169_poll, rtl8169_transmit, 0
-		148	dd 0x816910ec, rtl8169_probe, rtl8169_reset, rtl8169_poll, rtl8169_transmit, 0
-		149	dd 0x011616ec, rtl8169_probe, rtl8169_reset, rtl8169_poll, rtl8169_transmit, 0
-		150	dd 0x43001186, rtl8169_probe, rtl8169_reset, rtl8169_poll, rtl8169_transmit, 0
145		151
146	dd 0x590010b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0	152	dd 0x590010b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
147	dd 0x592010b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0	153	dd 0x592010b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
148	dd 0x597010b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0	154	dd 0x597010b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
149	dd 0x595010b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0	155	dd 0x595010b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
150	dd 0x595110b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0	156	dd 0x595110b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
151	dd 0x595210b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0	157	dd 0x595210b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
152	dd 0x900010b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0	158	dd 0x900010b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
153	dd 0x900110b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0	159	dd 0x900110b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
154	dd 0x900410b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0	160	dd 0x900410b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
155	dd 0x900510b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0	161	dd 0x900510b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
156	dd 0x900610b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0	162	dd 0x900610b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
157	dd 0x900A10b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0	163	dd 0x900A10b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
158	dd 0x905010b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0	164	dd 0x905010b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
159	dd 0x905110b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0	165	dd 0x905110b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
160	dd 0x905510b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0	166	dd 0x905510b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
161	dd 0x905810b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0	167	dd 0x905810b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
162	dd 0x905A10b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0	168	dd 0x905A10b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
163	dd 0x920010b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0	169	dd 0x920010b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
164	dd 0x980010b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0	170	dd 0x980010b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
165	dd 0x980510b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0	171	dd 0x980510b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
166	dd 0x764610b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0	172	dd 0x764610b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
167	dd 0x505510b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0	173	dd 0x505510b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
168	dd 0x605510b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0	174	dd 0x605510b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
169	dd 0x605610b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0	175	dd 0x605610b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
170	dd 0x5b5710b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0	176	dd 0x5b5710b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
171	dd 0x505710b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0	177	dd 0x505710b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
172	dd 0x515710b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0	178	dd 0x515710b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
173	dd 0x525710b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0	179	dd 0x525710b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
174	dd 0x656010b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0	180	dd 0x656010b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
175	dd 0x656210b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0	181	dd 0x656210b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
176	dd 0x656410b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0	182	dd 0x656410b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
177	dd 0x450010b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0	183	dd 0x450010b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
178		184
179	dd 0x09001039, SIS900_probe, SIS900_reset, SIS900_poll, SIS900_transmit, 0	185	dd 0x09001039, SIS900_probe, SIS900_reset, SIS900_poll, SIS900_transmit, 0
180		186
181	dd 0x20001022, pcnet32_probe, pcnet32_reset, pcnet32_poll, pcnet32_xmit, 0	187	dd 0x20001022, pcnet32_probe, pcnet32_reset, pcnet32_poll, pcnet32_xmit, 0
182	dd 0x26251022, pcnet32_probe, pcnet32_reset, pcnet32_poll, pcnet32_xmit, 0	188	dd 0x26251022, pcnet32_probe, pcnet32_reset, pcnet32_poll, pcnet32_xmit, 0
183	dd 0x20011022, pcnet32_probe, pcnet32_reset, pcnet32_poll, pcnet32_xmit, 0	189	dd 0x20011022, pcnet32_probe, pcnet32_reset, pcnet32_poll, pcnet32_xmit, 0
184		190
185	;dd 0x08031516, mtd80x_probe, mtd80x_reset, mtd80x_poll, mtd80x_transmit, mtd80x_cable	191	;dd 0x08031516, mtd80x_probe, mtd80x_reset, mtd80x_poll, mtd80x_transmit, mtd80x_cable
186		192
187	; following cards are untested	193	; following cards are untested
188	dd 0x70161039, SIS900_probe, SIS900_reset, SIS900_poll, SIS900_transmit, 0	194	dd 0x70161039, SIS900_probe, SIS900_reset, SIS900_poll, SIS900_transmit, 0
189	;dd 0x08001516, mtd80x_probe, mtd80x_reset, mtd80x_poll, mtd80x_transmit, mtd80x_cable	195	;dd 0x08001516, mtd80x_probe, mtd80x_reset, mtd80x_poll, mtd80x_transmit, mtd80x_cable
190	;dd 0x08911516, mtd80x_probe, mtd80x_reset, mtd80x_poll, mtd80x_transmit, mtd80x_cable	196	;dd 0x08911516, mtd80x_probe, mtd80x_reset, mtd80x_poll, mtd80x_transmit, mtd80x_cable
191		197
192	rb PCICARDS_ENTRY_SIZE ; end of list marker, do not remove	198	rb PCICARDS_ENTRY_SIZE ; end of list marker, do not remove
193	endg	199	endg
194		200
195	uglobal	201	uglobal
196	;Net-stack's interface's settings	202	;Net-stack's interface's settings
197	node_addr: db 0,0,0,0,0,0	203	node_addr: db 0,0,0,0,0,0
198	gateway_ip: dd 0	204	gateway_ip: dd 0
199	dns_ip: dd 0	205	dns_ip: dd 0
200		206
201	eth_rx_data_len: dw 0	207	eth_rx_data_len: dw 0
202	eth_status: dd 0	208	eth_status: dd 0
203	io_addr: dd 0	209	io_addr: dd 0
204	hdrtype: db 0	210	hdrtype: db 0
205	vendor_device: dd 0	211	vendor_device: dd 0
206	pci_data: dd 0	212	pci_data: dd 0
207	pci_dev: dd 0	213	pci_dev: dd 0
208	pci_bus: dd 0	214	pci_bus: dd 0
209		215
210	; These will hold pointers to the selected driver functions	216	; These will hold pointers to the selected driver functions
211	drvr_probe: dd 0	217	drvr_probe: dd 0
212	drvr_reset: dd 0	218	drvr_reset: dd 0
213	drvr_poll: dd 0	219	drvr_poll: dd 0
214	drvr_transmit: dd 0	220	drvr_transmit: dd 0
215	drvr_cable: dd 0	221	drvr_cable: dd 0
216		222
217	endg	223	endg
218		224
219	iglobal	225	iglobal
220	broadcast_add: db 0xff,0xff,0xff,0xff,0xff,0xff	226	broadcast_add: db 0xff,0xff,0xff,0xff,0xff,0xff
221	subnet_mask: dd 0x00ffffff ; 255.255.255.0	227	subnet_mask: dd 0x00ffffff ; 255.255.255.0
222	endg	228	endg
223		229
224	include "arp.inc" ;arp-protocol functions	230	include "arp.inc" ;arp-protocol functions
225	include "pci.inc" ;PCI bus access functions	231	include "pci.inc" ;PCI bus access functions
226		232
227		233
228	;***************************************************************************	234	;***************************************************************************
229	; Function	235	; Function
230	; eth_tx	236	; eth_tx
231	;	237	;
232	; Description	238	; Description
233	; Looks at the NET1OUT_QUEUE for data to send.	239	; Looks at the NET1OUT_QUEUE for data to send.
234	; Stores that destination IP in a location used by the tx routine	240	; Stores that destination IP in a location used by the tx routine
235	; Looks up the MAC address in the ARP table; stores that where	241	; Looks up the MAC address in the ARP table; stores that where
236	; the tx routine can get it	242	; the tx routine can get it
237	; Get the length of the data. Store that where the tx routine wants it	243	; Get the length of the data. Store that where the tx routine wants it
238	; Call tx	244	; Call tx
239	; Places buffer on empty queue when the tx routine finished	245	; Places buffer on empty queue when the tx routine finished
240	;	246	;
241	;***************************************************************************	247	;***************************************************************************
242	proc eth_tx stdcall uses ebx esi edi	248	proc eth_tx stdcall uses ebx esi edi
243	local MACAddress dp ? ;allocate 6 bytes in the stack	249	local MACAddress dp ? ;allocate 6 bytes in the stack
244		250
245	; Look for a buffer to tx	251	; Look for a buffer to tx
246	mov eax, NET1OUT_QUEUE	252	mov eax, NET1OUT_QUEUE
247	call dequeue	253	call dequeue
248	cmp ax, NO_BUFFER	254	cmp ax, NO_BUFFER
249	je .exit ; Exit if no buffer available	255	je .exit ; Exit if no buffer available
250		256
251	push eax ;save buffer number	257	push eax ;save buffer number
252		258
253	; convert buffer pointer eax to the absolute address	259	; convert buffer pointer eax to the absolute address
254	imul eax, IPBUFFSIZE	260	imul eax, IPBUFFSIZE
255	add eax, IPbuffs	261	add eax, IPbuffs
256		262
257	; Extract the destination IP	263	; Extract the destination IP
258	; find the destination IP in the ARP table, get MAC	264	; find the destination IP in the ARP table, get MAC
259	; store this MAC in 'MACAddress'	265	; store this MAC in 'MACAddress'
260	mov ebx, eax ; Save buffer address	266	mov ebx, eax ; Save buffer address
261	mov edx, [ebx + 16] ; get destination address	267	mov edx, [ebx + 16] ; get destination address
262		268
263	; If the destination address is 255.255.255.255,	269	; If the destination address is 255.255.255.255,
264	; set the MACAddress to all ones ( broadcast )	270	; set the MACAddress to all ones ( broadcast )
265	cld	271	cld
266	mov esi, broadcast_add	272	mov esi, broadcast_add
267	lea edi, [MACAddress]	273	lea edi, [MACAddress]
268	movsd	274	movsd
269	movsw	275	movsw
270	cmp edx, 0xffffffff	276	cmp edx, 0xffffffff
271	je .send ; If it is broadcast, just send	277	je .send ; If it is broadcast, just send
272		278
273	lea eax, [MACAddress] ;cause this is local variable	279	lea eax, [MACAddress] ;cause this is local variable
274	stdcall arp_table_manager, ARP_TABLE_IP_TO_MAC, edx, eax ;opcode,IP,MAC_ptr - Get the MAC address.	280	stdcall arp_table_manager, ARP_TABLE_IP_TO_MAC, edx, eax ;opcode,IP,MAC_ptr - Get the MAC address.
275		281
276	cmp eax, ARP_VALID_MAPPING	282	cmp eax, ARP_VALID_MAPPING
277	je .send	283	je .send
278		284
279	; No valid entry. Has the request been sent, but timed out?	285	; No valid entry. Has the request been sent, but timed out?
280	cmp eax, ARP_RESPONSE_TIMEOUT	286	cmp eax, ARP_RESPONSE_TIMEOUT
281	je .freebuf	287	je .freebuf
282		288
283	.wait_response: ;we wait arp-response	289	.wait_response: ;we wait arp-response
284	; Re-queue the packet, and exit	290	; Re-queue the packet, and exit
285	pop ebx	291	pop ebx
286	mov eax, NET1OUT_QUEUE	292	mov eax, NET1OUT_QUEUE
287	call queue ; Get the buffer back	293	call queue ; Get the buffer back
288	jmp .exit	294	jmp .exit
289		295
290	.send: ;if ARP_VALID_MAPPING then send the packet	296	.send: ;if ARP_VALID_MAPPING then send the packet
291	lea edi, [MACAddress] ; Pointer to 48 bit destination address	297	lea edi, [MACAddress] ; Pointer to 48 bit destination address
292	movzx ecx, word[ebx+2] ; Size of IP packet to send	298	movzx ecx, word[ebx+2] ; Size of IP packet to send
293	xchg ch, cl ; because mirror byte-order	299	xchg ch, cl ; because mirror byte-order
294	mov esi, ebx ; Pointer to packet data	300	mov esi, ebx ; Pointer to packet data
295	mov bx, ETHER_IP ; Type of packet	301	mov bx, ETHER_IP ; Type of packet
296	call dword [drvr_transmit] ; Call the drivers transmit function	302	call dword [drvr_transmit] ; Call the drivers transmit function
297		303
298	; OK, we have sent a packet, so increment the count	304	; OK, we have sent a packet, so increment the count
299	inc dword [ip_tx_count]	305	inc dword [ip_tx_count]
300		306
301	; And finally, return the buffer to the free queue	307	; And finally, return the buffer to the free queue
302	.freebuf:	308	.freebuf:
303	pop eax	309	pop eax
304	call freeBuff	310	call freeBuff
305		311
306	.exit:	312	.exit:
307	ret	313	ret
308	endp	314	endp
309		315
310	;***************************************************************************	316	;***************************************************************************
311	; Function	317	; Function
312	; ether_IP_handler	318	; ether_IP_handler
313	;	319	;
314	; Description	320	; Description
315	; Called when an IP ethernet packet is received on the ethernet	321	; Called when an IP ethernet packet is received on the ethernet
316	; Header + Data is in Ether_buffer[]	322	; Header + Data is in Ether_buffer[]
317	; We just need to get a buffer from the 'free' queue, and	323	; We just need to get a buffer from the 'free' queue, and
318	; store the packet in it, then insert the packet number into the	324	; store the packet in it, then insert the packet number into the
319	; IPRX queue.	325	; IPRX queue.
320	; If no queue entry is available, the packet is silently discarded	326	; If no queue entry is available, the packet is silently discarded
321	; All registers may be destroyed	327	; All registers may be destroyed
322	;	328	;
323	;***************************************************************************	329	;***************************************************************************
324	ether_IP_handler:	330	ether_IP_handler:
325	mov eax, EMPTY_QUEUE	331	mov eax, EMPTY_QUEUE
326	call dequeue	332	call dequeue
327	cmp ax, NO_BUFFER	333	cmp ax, NO_BUFFER
328	je eiph00x	334	je eiph00x
329		335
330	; convert buffer pointer eax to the absolute address	336	; convert buffer pointer eax to the absolute address
331	push eax	337	push eax
332	mov ecx, IPBUFFSIZE	338	mov ecx, IPBUFFSIZE
333	mul ecx	339	mul ecx
334	add eax, IPbuffs	340	add eax, IPbuffs
335		341
336	mov edi, eax	342	mov edi, eax
337		343
338	; get a pointer to the start of the DATA	344	; get a pointer to the start of the DATA
339	mov esi, ETH_FRAME.Data	345	mov esi, ETH_FRAME.Data
340		346
341	; Now store it all away	347	; Now store it all away
342	mov ecx, IPBUFFSIZE / 4 ; Copy all of the available	348	mov ecx, IPBUFFSIZE / 4 ; Copy all of the available
343	; data across - worse case	349	; data across - worse case
344	cld	350	cld
345	rep movsd	351	rep movsd
346		352
347	; And finally, place the buffer in the IPRX queue	353	; And finally, place the buffer in the IPRX queue
348	pop ebx	354	pop ebx
349	mov eax, IPIN_QUEUE	355	mov eax, IPIN_QUEUE
350	call queue	356	call queue
351		357
352	eiph00x:	358	eiph00x:
353	ret	359	ret
354		360
355	;***************************************************************************	361	;***************************************************************************
356	; Function	362	; Function
357	; eth_probe	363	; eth_probe
358	; Description	364	; Description
359	; Searches for an ethernet card. If found, the card is enabled and	365	; Searches for an ethernet card. If found, the card is enabled and
360	; the ethernet -> IP link established	366	; the ethernet -> IP link established
361	;	367	;
362	; This function scans the PCI bus looking for a supported device.	368	; This function scans the PCI bus looking for a supported device.
363	; ISA bus is currently not supported.	369	; ISA bus is currently not supported.
364	;	370	;
365	; eax is 0 if no hardware found	371	; eax is 0 if no hardware found
366	;***************************************************************************	372	;***************************************************************************
367	eth_probe:	373	eth_probe:
368	; Find a card on the PCI bus, and get it's address	374	; Find a card on the PCI bus, and get it's address
369	call scan_bus ; Find the ethernet cards PIC address	375	call scan_bus ; Find the ethernet cards PIC address
370	xor eax, eax	376	xor eax, eax
371	cmp [io_addr], eax	377	cmp [io_addr], eax
372	je ep_00x ; Return 0 in eax if no cards found	378	je ep_00x ; Return 0 in eax if no cards found
373		379
374	call dword [drvr_probe] ; Call the drivers probe function	380	call dword [drvr_probe] ; Call the drivers probe function
375		381
376	mov eax, [io_addr] ; return a non zero value	382	mov eax, [io_addr] ; return a non zero value
377		383
378	ep_00x:	384	ep_00x:
379	ret	385	ret
380		386
381	;***************************************************************************	387	;***************************************************************************
382	; Function	388	; Function
383	; ethernet_driver	389	; ethernet_driver
384	;	390	;
385	; Description	391	; Description
386	; The ethernet RX and TX handler	392	; The ethernet RX and TX handler
387	; This is a kernel function, called by stack_handler	393	; This is a kernel function, called by stack_handler
388	;	394	;
389	;***************************************************************************	395	;***************************************************************************
390	ethernet_driver:	396	ethernet_driver:
391	; Do nothing if the driver is inactive	397	; Do nothing if the driver is inactive
392	cmp [ethernet_active], byte 0	398	cmp [ethernet_active], byte 0
393	je eth_exit	399	je eth_exit
394		400
395	call eth_rx	401	call eth_rx
396	call eth_tx	402	call eth_tx
397		403
398	eth_exit:	404	eth_exit:
399	ret	405	ret
400		406
401	;***************************************************************************	407	;***************************************************************************
402	; Function	408	; Function
403	; eth_rx	409	; eth_rx
404	;	410	;
405	; Description	411	; Description
406	; Polls the ethernet card for received data. Extracts if present	412	; Polls the ethernet card for received data. Extracts if present
407	; Depending on the Protocol within the packet:	413	; Depending on the Protocol within the packet:
408	; ARP : Pass to ARP_handler. This may result in an ARP reply	414	; ARP : Pass to ARP_handler. This may result in an ARP reply
409	; being tx'ed	415	; being tx'ed
410	; IP : Store in an IP buffer	416	; IP : Store in an IP buffer
411	;	417	;
412	;***************************************************************************	418	;***************************************************************************
413	eth_rx:	419	eth_rx:
414	xor ax, ax	420	xor ax, ax
415	mov [eth_rx_data_len], ax	421	mov [eth_rx_data_len], ax
416	call dword [drvr_poll] ; Call the drivers poll function	422	call dword [drvr_poll] ; Call the drivers poll function
417		423
418	mov ax, [eth_rx_data_len]	424	mov ax, [eth_rx_data_len]
419	cmp ax, 0	425	cmp ax, 0
420	je .exit	426	je .exit
421		427
422		428
423	; Check the protocol. Call appropriate handler	429	; Check the protocol. Call appropriate handler
424		430
425	mov ax, [ETH_FRAME.Type] ; The address of the protocol word	431	mov ax, [ETH_FRAME.Type] ; The address of the protocol word
426		432
427	cmp ax, ETHER_IP	433	cmp ax, ETHER_IP
428	je .is_ip ; It's IP	434	je .is_ip ; It's IP
429		435
430	cmp ax, ETHER_ARP	436	cmp ax, ETHER_ARP
431	je .is_arp ; It is ARP	437	je .is_arp ; It is ARP
432		438
433	jmp .exit ; If not IP or ARP, ignore	439	jmp .exit ; If not IP or ARP, ignore
434		440
435	.is_ip:	441	.is_ip:
-		442	DEBUGF 1,"K : eth_rx - IP packet\n"
436	inc dword [ip_rx_count]	443	inc dword [ip_rx_count]
437	call ether_IP_handler	444	call ether_IP_handler
438	jmp .exit	445	jmp .exit
439		446
440	.is_arp:	447	.is_arp:
441		-
-		448	DEBUGF 1,"K : eth_rx - ARP packet\n"
442	; At this point, the packet is still in the Ether_buffer	449	; At this point, the packet is still in the Ether_buffer
443	call arp_handler	450	call arp_handler
444		451
445	.exit:	452	.exit:
446	ret	453	ret

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(root)/kernel/trunk/network/eth_drv/ethernet.inc – Rev 323 → 373