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1 ha 1
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
2
;;                                                                 ;;
2465 Serge 3
;; Copyright (C) KolibriOS team 2004-2011. All rights reserved.    ;;
431 serge 4
;; Distributed under terms of the GNU General Public License       ;;
5
;;                                                                 ;;
1 ha 6
;;  ETHERNET.INC                                                   ;;
7
;;                                                                 ;;
8
;;  Ethernet network layer for Menuet OS                           ;;
9
;;                                                                 ;;
10
;;  This file contains the following:                              ;;
11
;;      PCI bus scanning for valid devices                         ;;
12
;;      Table of supported ethernet drivers                        ;;
13
;;      Code to identify and activate a supported driver           ;;
14
;;      ARP handler                                                ;;
15
;;      Driver interface to the IP layer                           ;;
16
;;      Gateway support                                            ;;
17
;;                                                                 ;;
18
;;  Individual driver files are included here                      ;;
19
;;                                                                 ;;
20
;;  The PCI bus scanning code was ported from the etherboot        ;;
21
;;  5.0.6 project. The copyright statement for that code is        ;;
22
;;                                                                 ;;
23
;;          GNU GENERAL PUBLIC LICENSE                             ;;
24
;;             Version 2, June 1991                                ;;
25
;;                                                                 ;;
26
;;  remaining parts Copyright 2002 Mike Hibbett                    ;;
27
;;   mikeh@oceanfree.net                                           ;;
28
;;                                                                 ;;
29
;;  See file COPYING for details                                   ;;
30
;;                                                                 ;;
31
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
32
 
593 mikedld 33
$Revision: 2465 $
34
 
35
 
1 ha 36
;********************************************************************
37
;   Interface
38
;      ethernet_driver   called by stack_handler in stack.inc
39
;      eth_probe         called by app_stack_handler in stack.inc
40
;
41
;********************************************************************
42
 
2434 Serge 43
ETHER_IP                    equ     0x0008      ; Reversed from 0800 for intel
44
ETHER_ARP                   equ     0x0608      ; Reversed from 0806 for intel
45
ETHER_RARP                  equ     0x3580
261 hidnplayr 46
 
47
struc ETH_FRAME
2434 Serge 48
{  .DstMAC       dp   ?  ;destination MAC-address [6 bytes]
49
   .SrcMAC       dp   ?  ;source MAC-address [6 bytes]
50
   .Type         dw   ?  ;type of the upper-layer protocol [2 bytes]
51
   .Data         db   ?  ;data [46-1500 bytes]
2010 serge 52
 }
261 hidnplayr 53
 
54
virtual at Ether_buffer
55
  ETH_FRAME ETH_FRAME
56
end virtual
57
 
58
 
1 ha 59
; Some useful information on data structures
60
 
61
;     Ethernet Packet - ARP Request example
62
;
63
;   0                   1                   2                   3
64
;   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
65
;
66
;   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
67
;   |       Dest   H/W Address                                      |
68
;   |                    ( 14 byte header )                         |
69
;   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
70
;   |                               |     Source     H/W Address    |
71
;   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
72
;   |                                                               |
73
;   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
74
;   |    Protocol - ARP 08  06      |
75
;   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
76
 
77
;   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
78
;   |  H/W Type  00           01    |  Protocol Type   08 00        |
79
;   |                   ( ARP Request packet )                      |
80
;   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
81
;   | HLen    0x06  | PLen    0x04  |    OpCode        00   01      |
82
;   |               ( 0001 for request, 0002 for reply )            |
83
;   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
84
;   | Source Hardware Address ( MAC Address )                       |
85
;   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
86
;   |                               |  Source IP Address            |
87
;   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
88
;   |                               | Destination Hardware Address  |
89
;   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
90
;   |                                                               |
91
;   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
92
;   | Destination IP Address                                        |
93
;   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
94
 
95
; Include individual drivers source files at this point.
96
; If you create a new driver, include it below.
97
 
261 hidnplayr 98
include "drivers/rtl8029.inc"
99
include "drivers/i8255x.inc"
100
include "drivers/rtl8139.inc"
101
include "drivers/3c59x.inc"
102
include "drivers/sis900.inc"
103
include "drivers/pcnet32.inc"
373 mikedld 104
include "drivers/rtl8169.inc"
866 shurf 105
include "drivers/forcedeth.inc"
2010 serge 106
include "drivers/r6040.inc"
1 ha 107
 
108
; PCICards
109
; ========
110
; PCI vendor and hardware types for hardware supported by the above drivers
111
; If you add a driver, ensure you update this datastructure, otherwise the
112
; card will not be probed.
113
; Each driver is defined by 4 double words. These are
114
;   PCIVendorDevice  probeFunction ResetFunction PollFunction transmitFunction
115
; The last entry must be kept at all zeros, to indicate the end of the list
116
; As a PCI driver may support more than one hardware implementation, there may
117
; be several lines which refer to the same functions.
118
; The first driver found on the PCI bus will be the one used.
119
 
2434 Serge 120
PCICARDS_ENTRY_SIZE         equ     24    ; Size of each PCICARDS entry
1 ha 121
 
122
iglobal
123
PCICards:
302 hidnplayr 124
dd  0x12098086, I8255x_probe, I8255x_reset, I8255x_poll, I8255x_transmit, 0
125
dd  0x10298086, I8255x_probe, I8255x_reset, I8255x_poll, I8255x_transmit, 0
126
dd  0x12298086, I8255x_probe, I8255x_reset, I8255x_poll, I8255x_transmit, 0
127
dd  0x10308086, I8255x_probe, I8255x_reset, I8255x_poll, I8255x_transmit, 0
128
dd  0x24498086, I8255x_probe, I8255x_reset, I8255x_poll, I8255x_transmit, 0
2434 Serge 129
dd  0x10688086, I8255x_probe, I8255x_reset, I8255x_poll, I8255x_transmit, 0
505 hidnplayr 130
 
302 hidnplayr 131
dd  0x802910ec, rtl8029_probe, rtl8029_reset, rtl8029_poll, rtl8029_transmit, 0
132
 
2434 Serge 133
dd  0x813910ec, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
134
dd  0x813810ec, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
135
dd  0x12111113, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
136
dd  0x13601500, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
137
dd  0x13604033, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
138
dd  0x13001186, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
139
dd  0x13401186, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
140
dd  0xab0613d1, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
141
dd  0xa1171259, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
142
dd  0xa11e1259, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
143
dd  0xab0614ea, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
144
dd  0xab0714ea, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
145
dd  0x123411db, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
146
dd  0x91301432, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
147
dd  0x101202ac, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
148
dd  0x0106018a, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
149
dd  0x1211126c, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
150
dd  0x81391743, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
151
dd  0x8139021b, rtl8139_probe, rtl8139_reset, rtl8139_poll, rtl8139_transmit, rtl8139_cable
302 hidnplayr 152
 
373 mikedld 153
dd  0x816810ec, rtl8169_probe, rtl8169_reset, rtl8169_poll, rtl8169_transmit, 0
154
dd  0x816910ec, rtl8169_probe, rtl8169_reset, rtl8169_poll, rtl8169_transmit, 0
155
dd  0x011616ec, rtl8169_probe, rtl8169_reset, rtl8169_poll, rtl8169_transmit, 0
156
dd  0x43001186, rtl8169_probe, rtl8169_reset, rtl8169_poll, rtl8169_transmit, 0
869 shurf 157
dd  0x816710ec, rtl8169_probe, rtl8169_reset, rtl8169_poll, rtl8169_transmit, 0
373 mikedld 158
 
302 hidnplayr 159
dd  0x590010b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
160
dd  0x592010b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
161
dd  0x597010b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
162
dd  0x595010b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
163
dd  0x595110b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
164
dd  0x595210b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
165
dd  0x900010b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
166
dd  0x900110b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
523 diamond 167
dd  0x900410b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
302 hidnplayr 168
dd  0x900510b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
169
dd  0x900610b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
170
dd  0x900A10b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
171
dd  0x905010b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
172
dd  0x905110b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
173
dd  0x905510b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
174
dd  0x905810b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
175
dd  0x905A10b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
176
dd  0x920010b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
177
dd  0x980010b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
178
dd  0x980510b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
179
dd  0x764610b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
180
dd  0x505510b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
181
dd  0x605510b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
182
dd  0x605610b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
183
dd  0x5b5710b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
184
dd  0x505710b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
185
dd  0x515710b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
186
dd  0x525710b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
187
dd  0x656010b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
188
dd  0x656210b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
189
dd  0x656410b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
190
dd  0x450010b7, e3c59x_probe, e3c59x_reset, e3c59x_poll, e3c59x_transmit, 0
191
 
192
dd  0x09001039, SIS900_probe, SIS900_reset, SIS900_poll, SIS900_transmit, 0
2010 serge 193
dd  0x70161039, SIS900_probe, SIS900_reset, SIS900_poll, SIS900_transmit, 0
302 hidnplayr 194
 
195
dd  0x20001022, pcnet32_probe, pcnet32_reset, pcnet32_poll, pcnet32_xmit, 0
196
dd  0x26251022, pcnet32_probe, pcnet32_reset, pcnet32_poll, pcnet32_xmit, 0
197
dd  0x20011022, pcnet32_probe, pcnet32_reset, pcnet32_poll, pcnet32_xmit, 0
323 hidnplayr 198
 
2010 serge 199
dd  0x006610de, forcedeth_probe, forcedeth_reset, forcedeth_poll, forcedeth_transmit, forcedeth_cable ; nVidia Corporation nForce2 Ethernet Controller
200
dd  0x01c310de, forcedeth_probe, forcedeth_reset, forcedeth_poll, forcedeth_transmit, forcedeth_cable ; not tested
201
dd  0x00D610de, forcedeth_probe, forcedeth_reset, forcedeth_poll, forcedeth_transmit, forcedeth_cable ; not tested
202
dd  0x008610de, forcedeth_probe, forcedeth_reset, forcedeth_poll, forcedeth_transmit, forcedeth_cable ; not tested
203
dd  0x008c10de, forcedeth_probe, forcedeth_reset, forcedeth_poll, forcedeth_transmit, forcedeth_cable ; not tested
204
dd  0x00e610de, forcedeth_probe, forcedeth_reset, forcedeth_poll, forcedeth_transmit, forcedeth_cable ; not tested
205
dd  0x00df10de, forcedeth_probe, forcedeth_reset, forcedeth_poll, forcedeth_transmit, forcedeth_cable ; not tested
206
dd  0x005610de, forcedeth_probe, forcedeth_reset, forcedeth_poll, forcedeth_transmit, forcedeth_cable ; not tested
207
dd  0x005710de, forcedeth_probe, forcedeth_reset, forcedeth_poll, forcedeth_transmit, forcedeth_cable ; not tested
208
dd  0x003710de, forcedeth_probe, forcedeth_reset, forcedeth_poll, forcedeth_transmit, forcedeth_cable ; not tested
209
dd  0x003810de, forcedeth_probe, forcedeth_reset, forcedeth_poll, forcedeth_transmit, forcedeth_cable ; not tested
210
dd  0x026810de, forcedeth_probe, forcedeth_reset, forcedeth_poll, forcedeth_transmit, forcedeth_cable ; not tested
211
dd  0x026910de, forcedeth_probe, forcedeth_reset, forcedeth_poll, forcedeth_transmit, forcedeth_cable ; not tested
212
dd  0x037210de, forcedeth_probe, forcedeth_reset, forcedeth_poll, forcedeth_transmit, forcedeth_cable ; not tested
213
dd  0x037310de, forcedeth_probe, forcedeth_reset, forcedeth_poll, forcedeth_transmit, forcedeth_cable ; not tested
214
dd  0x03e510de, forcedeth_probe, forcedeth_reset, forcedeth_poll, forcedeth_transmit, forcedeth_cable ; not tested
215
dd  0x03e610de, forcedeth_probe, forcedeth_reset, forcedeth_poll, forcedeth_transmit, forcedeth_cable ; not tested
216
dd  0x03ee10de, forcedeth_probe, forcedeth_reset, forcedeth_poll, forcedeth_transmit, forcedeth_cable ; not tested
217
dd  0x03ef10de, forcedeth_probe, forcedeth_reset, forcedeth_poll, forcedeth_transmit, forcedeth_cable ; not tested
218
dd  0x045010de, forcedeth_probe, forcedeth_reset, forcedeth_poll, forcedeth_transmit, forcedeth_cable ; not tested
219
dd  0x045110de, forcedeth_probe, forcedeth_reset, forcedeth_poll, forcedeth_transmit, forcedeth_cable ; not tested
220
dd  0x045210de, forcedeth_probe, forcedeth_reset, forcedeth_poll, forcedeth_transmit, forcedeth_cable ; not tested
221
dd  0x045310de, forcedeth_probe, forcedeth_reset, forcedeth_poll, forcedeth_transmit, forcedeth_cable ; not tested
222
dd  0x054c10de, forcedeth_probe, forcedeth_reset, forcedeth_poll, forcedeth_transmit, forcedeth_cable ; not tested
223
dd  0x054d10de, forcedeth_probe, forcedeth_reset, forcedeth_poll, forcedeth_transmit, forcedeth_cable ; not tested
224
dd  0x054e10de, forcedeth_probe, forcedeth_reset, forcedeth_poll, forcedeth_transmit, forcedeth_cable ; not tested
225
dd  0x054f10de, forcedeth_probe, forcedeth_reset, forcedeth_poll, forcedeth_transmit, forcedeth_cable ; not tested
226
dd  0x07dc10de, forcedeth_probe, forcedeth_reset, forcedeth_poll, forcedeth_transmit, forcedeth_cable ; not tested
227
dd  0x07dd10de, forcedeth_probe, forcedeth_reset, forcedeth_poll, forcedeth_transmit, forcedeth_cable ; not tested
228
dd  0x07de10de, forcedeth_probe, forcedeth_reset, forcedeth_poll, forcedeth_transmit, forcedeth_cable ; not tested
229
dd  0x07df10de, forcedeth_probe, forcedeth_reset, forcedeth_poll, forcedeth_transmit, forcedeth_cable ; not tested
230
dd  0x076010de, forcedeth_probe, forcedeth_reset, forcedeth_poll, forcedeth_transmit, forcedeth_cable ; MCP77 Ethernet Controller
231
dd  0x076110de, forcedeth_probe, forcedeth_reset, forcedeth_poll, forcedeth_transmit, forcedeth_cable ; not tested
232
dd  0x076210de, forcedeth_probe, forcedeth_reset, forcedeth_poll, forcedeth_transmit, forcedeth_cable ; not tested
233
dd  0x076310de, forcedeth_probe, forcedeth_reset, forcedeth_poll, forcedeth_transmit, forcedeth_cable ; not tested
234
dd  0x0ab010de, forcedeth_probe, forcedeth_reset, forcedeth_poll, forcedeth_transmit, forcedeth_cable ; not tested
235
dd  0x0ab110de, forcedeth_probe, forcedeth_reset, forcedeth_poll, forcedeth_transmit, forcedeth_cable ; not tested
236
dd  0x0ab210de, forcedeth_probe, forcedeth_reset, forcedeth_poll, forcedeth_transmit, forcedeth_cable ; not tested
237
dd  0x0ab310de, forcedeth_probe, forcedeth_reset, forcedeth_poll, forcedeth_transmit, forcedeth_cable ; not tested
238
dd  0x0d7d10de, forcedeth_probe, forcedeth_reset, forcedeth_poll, forcedeth_transmit, forcedeth_cable ; not tested
323 hidnplayr 239
 
2010 serge 240
dd  0x604017F3, r6040_probe, r6040_reset, r6040_poll, r6040_transmit, 0
323 hidnplayr 241
 
2434 Serge 242
rb PCICARDS_ENTRY_SIZE  ; end of list marker, do not remove
1 ha 243
endg
244
 
245
uglobal
261 hidnplayr 246
;Net-stack's interface's settings
2434 Serge 247
  node_addr:
248
                      db  0,0,0,0,0,0
249
  gateway_ip:
250
                      dd  0
251
  dns_ip:
252
                      dd  0
261 hidnplayr 253
 
2434 Serge 254
  eth_rx_data_len:
255
                      dw  0
256
  eth_status:
257
                      dd  0
258
  io_addr:
259
                      dd  0
260
  hdrtype:
261
                      db  0
262
  vendor_device:
263
                      dd  0
264
  pci_data:
265
                      dd  0
266
  pci_dev:
267
                      dd  0
268
  pci_bus:
269
                      dd  0
1 ha 270
 
271
  ; These will hold pointers to the selected driver functions
2434 Serge 272
  drvr_probe:
273
                      dd  0
274
  drvr_reset:
275
                      dd  0
276
  drvr_poll:
277
                      dd  0
278
  drvr_transmit:
279
                      dd  0
280
  drvr_cable:
281
                      dd  0
1 ha 282
 
283
endg
284
 
285
iglobal
2434 Serge 286
  broadcast_add:
287
                      db  0xff,0xff,0xff,0xff,0xff,0xff
288
  subnet_mask:
289
                      dd  0x00ffffff   ; 255.255.255.0
1 ha 290
endg
291
 
261 hidnplayr 292
include "arp.inc"    ;arp-protocol functions
293
include "pci.inc"    ;PCI bus access functions
1 ha 294
 
295
 
296
;***************************************************************************
297
;   Function
298
;      eth_tx
299
;
300
;   Description
301
;      Looks at the NET1OUT_QUEUE for data to send.
302
;      Stores that destination IP in a location used by the tx routine
303
;      Looks up the MAC address in the ARP table; stores that where
304
;      the tx routine can get it
305
;      Get the length of the data. Store that where the tx routine wants it
306
;      Call tx
307
;      Places buffer on empty queue when the tx routine finished
308
;
309
;***************************************************************************
261 hidnplayr 310
proc eth_tx stdcall uses ebx esi edi
311
local MACAddress  dp  ?  ;allocate 6 bytes in the stack
312
 
1 ha 313
    ; Look for a buffer to tx
2434 Serge 314
        mov     eax, NET1OUT_QUEUE
315
        call    dequeue
316
        cmp     ax, NO_BUFFER
317
        je      .exit        ; Exit if no buffer available
1 ha 318
 
2434 Serge 319
        push    eax;save buffer number
1 ha 320
 
321
    ; convert buffer pointer eax to the absolute address
2434 Serge 322
        imul    eax, IPBUFFSIZE
323
        add     eax, IPbuffs
1 ha 324
 
325
    ; Extract the destination IP
326
    ; find the destination IP in the ARP table, get MAC
327
    ; store this MAC in 'MACAddress'
2434 Serge 328
        mov     ebx, eax           ; Save buffer address
329
        mov     edx, [ebx + 16]    ; get destination address
1 ha 330
 
331
    ; If the destination address is 255.255.255.255,
332
    ; set the MACAddress to all ones ( broadcast )
2434 Serge 333
        cld
334
        mov     esi, broadcast_add
335
        lea     edi, [MACAddress]
336
        movsd
337
        movsw
338
        cmp     edx, 0xffffffff
339
        je      .send            ; If it is broadcast, just send
1 ha 340
 
2434 Serge 341
        lea     eax, [MACAddress];cause this is local variable
342
        stdcall arp_table_manager, ARP_TABLE_IP_TO_MAC, edx, eax;opcode,IP,MAC_ptr - Get the MAC address.
1 ha 343
 
2434 Serge 344
        cmp     eax, ARP_VALID_MAPPING
345
        je      .send
1 ha 346
 
261 hidnplayr 347
    ; No valid entry. Has the request been sent, but timed out?
2434 Serge 348
        cmp     eax, ARP_RESPONSE_TIMEOUT
349
        je      .freebuf
1 ha 350
 
2434 Serge 351
  .wait_response:                   ;we wait arp-response
352
                                    ; Re-queue the packet, and exit
353
        pop     ebx
354
        mov     eax, NET1OUT_QUEUE
355
        call    queue                    ; Get the buffer back
356
        jmp     .exit
1 ha 357
 
261 hidnplayr 358
  .send:    ;if ARP_VALID_MAPPING then send the packet
2434 Serge 359
        lea     edi, [MACAddress] ; Pointer to 48 bit destination address
360
        movzx   ecx, word[ebx+2]  ; Size of IP packet to send
361
        xchg    ch, cl            ; because mirror byte-order
362
        mov     esi, ebx          ; Pointer to packet data
363
        mov     bx, ETHER_IP      ; Type of packet
364
        push    ebp
365
        call    dword [drvr_transmit]; Call the drivers transmit function
366
        pop     ebp
1 ha 367
 
368
    ; OK, we have sent a packet, so increment the count
2434 Serge 369
        inc     dword [ip_tx_count]
1 ha 370
 
371
    ; And finally, return the buffer to the free queue
261 hidnplayr 372
  .freebuf:
2434 Serge 373
        pop     eax
374
        call    freeBuff
1 ha 375
 
261 hidnplayr 376
  .exit:
2434 Serge 377
        ret
261 hidnplayr 378
endp
1 ha 379
 
380
;***************************************************************************
381
;   Function
382
;      ether_IP_handler
383
;
384
;   Description
385
;      Called when an IP ethernet packet is received on the ethernet
386
;      Header + Data is in Ether_buffer[]
387
;      We just need to get a buffer from the 'free' queue, and
388
;      store the packet in it, then insert the packet number into the
389
;      IPRX queue.
390
;      If no queue entry is available, the packet is silently discarded
391
;      All registers may be destroyed
392
;
393
;***************************************************************************
922 mikedld 394
;uglobal
395
;  ether_IP_handler_cnt dd ?
396
;endg
1 ha 397
ether_IP_handler:
2434 Serge 398
        mov     eax, EMPTY_QUEUE
399
        call    dequeue
400
        cmp     ax, NO_BUFFER
401
        je      eiph00x
1 ha 402
 
403
    ; convert buffer pointer eax to the absolute address
2434 Serge 404
        push    eax
405
        mov     ecx, IPBUFFSIZE
406
        mul     ecx
407
        add     eax, IPbuffs
1 ha 408
 
2434 Serge 409
        mov     edi, eax
1 ha 410
 
411
    ; get a pointer to the start of the DATA
2434 Serge 412
        mov     esi, ETH_FRAME.Data
1 ha 413
 
414
    ; Now store it all away
2434 Serge 415
        mov     ecx, IPBUFFSIZE / 4 ; Copy all of the available
416
                              ; data across - worse case
417
        cld
418
        rep movsd
1 ha 419
 
907 mikedld 420
;        inc     [ether_IP_handler_cnt]
421
;        DEBUGF  1, "K : ether_IP_handler (%u)\n", [ether_IP_handler_cnt]
422
 
1 ha 423
    ; And finally, place the buffer in the IPRX queue
2434 Serge 424
        pop     ebx
425
        mov     eax, IPIN_QUEUE
426
        call    queue
1 ha 427
 
428
eiph00x:
2434 Serge 429
        ret
1 ha 430
 
431
;***************************************************************************
432
;   Function
261 hidnplayr 433
;      eth_probe
1 ha 434
;   Description
261 hidnplayr 435
;      Searches for an ethernet card. If found, the card is enabled and
436
;      the ethernet -> IP link established
1 ha 437
;
261 hidnplayr 438
;      This function scans the PCI bus looking for a supported device.
439
;      ISA bus is currently not supported.
1 ha 440
;
261 hidnplayr 441
;        eax is 0 if no hardware found
1 ha 442
;***************************************************************************
261 hidnplayr 443
eth_probe:
444
    ; Find a card on the PCI bus, and get it's address
2434 Serge 445
        call    scan_bus                ; Find the ethernet cards PIC address
446
        xor     eax, eax
447
        cmp     [io_addr], eax
448
        je      ep_00x                  ; Return 0 in eax if no cards found
1 ha 449
 
2434 Serge 450
        call    dword [drvr_probe]      ; Call the drivers probe function
1 ha 451
 
2434 Serge 452
        mov     eax, [io_addr]          ; return a non zero value
1 ha 453
 
261 hidnplayr 454
ep_00x:
2434 Serge 455
        ret
1 ha 456
 
457
;***************************************************************************
458
;   Function
261 hidnplayr 459
;      ethernet_driver
1 ha 460
;
461
;   Description
261 hidnplayr 462
;       The ethernet RX and TX handler
463
;       This is a kernel function, called by stack_handler
1 ha 464
;
465
;***************************************************************************
261 hidnplayr 466
ethernet_driver:
467
    ; Do nothing if the driver is inactive
2434 Serge 468
        cmp     [ethernet_active], byte 0
469
        je      eth_exit
1 ha 470
 
2434 Serge 471
        call    eth_rx
472
        call    eth_tx
1 ha 473
 
261 hidnplayr 474
eth_exit:
2434 Serge 475
        ret
1 ha 476
 
477
;***************************************************************************
478
;   Function
261 hidnplayr 479
;      eth_rx
1 ha 480
;
481
;   Description
261 hidnplayr 482
;      Polls the ethernet card for received data. Extracts if present
483
;       Depending on the Protocol within the packet:
484
;         ARP : Pass to ARP_handler. This may result in an ARP reply
485
;               being tx'ed
486
;         IP  : Store in an IP buffer
1 ha 487
;
488
;***************************************************************************
261 hidnplayr 489
eth_rx:
2434 Serge 490
        xor     ax, ax
491
        mov     [eth_rx_data_len], ax
492
        call    dword [drvr_poll]   ; Call the drivers poll function
1 ha 493
 
2434 Serge 494
        mov     ax, [eth_rx_data_len]
495
        cmp     ax, 0
496
        je      .exit
1 ha 497
 
498
 
261 hidnplayr 499
    ; Check the protocol. Call appropriate handler
1 ha 500
 
2434 Serge 501
        mov     ax, [ETH_FRAME.Type]; The address of the protocol word
1 ha 502
 
2434 Serge 503
        cmp     ax, ETHER_IP
504
        je      .is_ip               ; It's IP
1 ha 505
 
2434 Serge 506
        cmp     ax, ETHER_ARP
507
        je      .is_arp              ; It is ARP
1 ha 508
 
907 mikedld 509
    DEBUGF  1,"K : eth_rx - dumped (%u)\n", ax
2434 Serge 510
        inc     [dumped_rx_count]
511
        jmp     .exit           ; If not IP or ARP, ignore
1 ha 512
 
261 hidnplayr 513
  .is_ip:
907 mikedld 514
;    DEBUGF  1,"K : eth_rx - IP packet\n"
2434 Serge 515
        inc     dword [ip_rx_count]
516
        call    ether_IP_handler
517
        jmp     .exit
1 ha 518
 
261 hidnplayr 519
  .is_arp:
907 mikedld 520
;    DEBUGF  1,"K : eth_rx - ARP packet\n"
261 hidnplayr 521
    ; At this point, the packet is still in the Ether_buffer
2434 Serge 522
        call    arp_handler
1 ha 523
 
261 hidnplayr 524
  .exit:
2434 Serge 525
        ret