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Rev 1241 Rev 1249
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;;          GNU GENERAL PUBLIC LICENSE                             ;;
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;;          GNU GENERAL PUBLIC LICENSE                             ;;
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;;             Version 2, June 1991                                ;;
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;;             Version 2, June 1991                                ;;
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;;                                                                 ;;
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;;                                                                 ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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$Revision: 1241 $
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$Revision: 1249 $
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MAX_ETH_DEVICES 	equ MAX_NET_DEVICES
 19 
MAX_ETH_DEVICES 	equ MAX_NET_DEVICES
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78 
	xor	eax, eax
 78 
	xor	eax, eax
79 
	mov	edi, ETH_RUNNING
 79 
	mov	edi, ETH_RUNNING
80 
	mov	ecx, (1+MAX_ETH_DEVICES)
 80 
	mov	ecx, (1+MAX_ETH_DEVICES)
81 
	rep	stosd
 81 
	rep	stosd
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 82 
 
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	mov	dword [ETH_IN_QUEUE], ETH_QUEUE_SIZE
 - 
 
84 
	mov	dword [ETH_IN_QUEUE+4], ETH_IN_QUEUE + queue.data
 - 
 
85 
	mov	dword [ETH_IN_QUEUE+8], ETH_IN_QUEUE + queue.data
 - 
 
86 
 
 83 
	init_queue ETH_IN_QUEUE
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	mov	dword [ETH_OUT_QUEUE], ETH_QUEUE_SIZE
 - 
 
88 
	mov	dword [ETH_OUT_QUEUE+4], ETH_OUT_QUEUE + queue.data
 - 
 
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	mov	dword [ETH_OUT_QUEUE+8], ETH_OUT_QUEUE + queue.data
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	init_queue ETH_OUT_QUEUE
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;  OUT: Device num in eax, -1 on error
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;  OUT: Device num in eax, -1 on error
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;
 98 
;
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;---------------------------------------------------------
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;---------------------------------------------------------
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 100 
 
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align 4
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align 4
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ETH_Add_Device:
 102 
ETH_add_device:
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 103 
 
109 
	DEBUGF	1,"ETH_Add_Device: %x ", ebx
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	DEBUGF	1,"ETH_Add_Device: %x ", ebx
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 115 
 
121 
	mov	eax, ebx
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	mov	eax, ebx
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	mov	ecx, MAX_ETH_DEVICES	  ; We need to check whole list because a device may be removed without re-organizing list
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	mov	ecx, MAX_ETH_DEVICES	  ; We need to check whole list because a device may be removed without re-organizing list
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	mov	edi, ETH_DRV_LIST
 - 
 
124 
 
 118 
	mov	edi, ETH_DRV_LIST
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	cld
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	repne	scasd			  ; See if device is already in the list
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	repne	scasd			  ; See if device is already in the list
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	jz	.error
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	jz	.error
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;  OUT: eax: -1 on error
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;  OUT: eax: -1 on error
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;
 160 
;
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;--------------------------------
 161 
;--------------------------------
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 162 
 
169 
align 4
 163 
align 4
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ETH_Remove_Device:
 164 
ETH_remove_device:
171 
 
 165 
 
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	cmp	[ETH_RUNNING], 0
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	cmp	[ETH_RUNNING], 0
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;  OUT: /
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;  OUT: /
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;
 205 
;
212 
;-------------------------------------------------------------
 206 
;-------------------------------------------------------------
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 207 
 
214 
align 4
 208 
align 4
215 
ETH_Receiver:
 209 
ETH_receiver:
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- 
 
 210 
	DEBUGF	1,"ETH_Receiver: "
- 
 
 211 
 
216 
	DEBUGF	1,"ETH_Receiver \n"
 212 
	push	ebx
- 
 
 213 
	mov	esi, esp
- 
 
 214 
	add_to_queue ETH_IN_QUEUE, ETH_QUEUE_SIZE, eth_queue_entry.size, .fail
- 
 
 215 
	DEBUGF	1,"Queued packet successfully\n"
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 216 
	add	esp, 4*3
- 
 
 217 
	ret
- 
 
 218 
 
- 
 
 219 
  .fail:
- 
 
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	DEBUGF	1,"ETH_IN_QUEUE is full!\n"
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	add_to_queue ETH_IN_QUEUE, ETH_QUEUE_SIZE, .gohome
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	add	esp, 4
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;-------------------------------------------------------------
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;-------------------------------------------------------------
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align 4
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align 4
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ETH_handler:
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ETH_handler:
- 
 
 243 
 
- 
 
 244 
	get_from_queue ETH_IN_QUEUE, ETH_QUEUE_SIZE, eth_queue_entry.size, .gohome
- 
 
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- 
 
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	push	ETH_handler
- 
 
 247 
 
- 
 
 248 
	lodsd
- 
 
 249 
	mov	ebx, eax
- 
 
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	lodsd
- 
 
 251 
	mov	ecx, eax
- 
 
 252 
	lodsd
- 
 
 253 
	xchg	eax, ecx
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240 
 
 254 
	push	ecx
241 
	get_from_queue ETH_IN_QUEUE, ETH_QUEUE_SIZE, .gohome
 255 
	push	eax
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 256 
 
243 
	DEBUGF	1,"ETH_Handler - size: %u\n", ecx
 257 
	DEBUGF	1,"ETH_Handler - size: %u\n", ecx
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	DEBUGF	1,"Dumping packet\n"
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	DEBUGF	1,"Dumping packet\n"
261 
	call	kernel_free
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	call	kernel_free
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	add	esp, 4
 276 
	add	esp, 4
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 277 
 
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  .gohome:
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  .gohome:
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	ret				; return 1. to get more from queue / 2. to caller
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	ret				; return to get more from queue / to caller
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;-----------------------------------------------------------------
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;-----------------------------------------------------------------
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;
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;
271 
; ETH_Sender:
 285 
; ETH_sender:
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;
 286 
;
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;  OUT: /
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;  OUT: /
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;
 293 
;
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;-----------------------------------------------------------------
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;-----------------------------------------------------------------
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 295 
 
282 
align 4
 296 
align 4
283 
ETH_Sender:
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ETH_sender:
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- 
 
 298 
	DEBUGF	1,"ETH_Sender: queuing for device: %x, %u bytes\n", [esp], [esp + 4]
- 
 
 299 
 
284 
	DEBUGF	1,"ETH_Sender \n"
 300 
	push	ebx
- 
 
 301 
	mov	esi, esp
- 
 
 302 
	add_to_queue ETH_OUT_QUEUE, ETH_QUEUE_SIZE, eth_queue_entry.size, .fail
- 
 
 303 
	DEBUGF	1,"Queued packet successfully\n"
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285 
 
 304 
	add	esp, 3*4
- 
 
 305 
	ret
- 
 
 306 
 
- 
 
 307 
  .fail:
- 
 
 308 
	DEBUGF	1,"ETH_OUT_QUEUE is full!\n"
286 
	add_to_queue ETH_OUT_QUEUE, ETH_QUEUE_SIZE, .gohome
 309 
	add	esp, 4
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- 
 
 310 
	call	kernel_free
- 
 
 311 
	add	esp, 4
- 
 
 312 
	ret
- 
 
 313 
 
- 
 
 314 
 
- 
 
 315 
 
- 
 
 316 
;-----------------------------------------------------------------
- 
 
 317 
;
- 
 
 318 
; ETH_send_queued:
- 
 
 319 
;
287 
 
 320 
;  IN:  /
288 
  .gohome:
 321 
;  OUT: /
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289 
	ret
 322 
;
- 
 
 323 
;-----------------------------------------------------------------
- 
 
 324 
 
- 
 
 325 
align 4
- 
 
 326 
ETH_send_queued:
- 
 
 327 
 
- 
 
 328 
	get_from_queue ETH_OUT_QUEUE, ETH_QUEUE_SIZE, eth_queue_entry.size, .gohome
- 
 
 329 
 
- 
 
 330 
	push	ETH_send_queued
- 
 
 331 
 
- 
 
 332 
	lodsd
- 
 
 333 
	mov	ebx, eax
- 
 
 334 
 
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290 
 
 335 
	sub	esp, 8
291 
 
 336 
	mov	edi, esp
292 
align 4
 337 
	movsd
Line 293... Line -...
293 
ETH_send_queued:
 - 
 
294 
 
 - 
 
295 
	get_from_queue ETH_OUT_QUEUE, ETH_QUEUE_SIZE, .gohome
 338 
	movsd
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296 
 
 339 
 
297 
	call	ETH_struc2dev		 ; convert struct ptr to device num (this way we know if driver is still mounted)
 340 
	DEBUGF	1,"dequeued packet for device %x\n", ebx
298 
	cmp	edi, -1
 341 
 
299 
	je	.fail
 342 
	call	ETH_struc2dev			; convert struct ptr to device num (this way we know if driver is still mounted)
- 
 
 343 
	cmp	edi, -1
300 
 
 344 
	je	.fail
301 
	DEBUGF 1,"ETH_Sender - device: %u\n", edi
 345 
 
Line -... Line 346...
- 
 
 346 
	jmp	[ebx+ETH_DEVICE.transmit]	; we will return to get_from_queue macro after transmitting packet
302 
 
 347 
 
303 
	jmp	[ebx+ETH_DEVICE.transmit]
 348 
     .fail:
304 
 
 349 
	call	kernel_free
305 
     .fail:
 350 
	add	esp, 4 ; pop (balance stack)
306 
	call	kernel_free
 351 
	DEBUGF 1,"ETH_Sender - fail\n"
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360 
;      esi points to procedure wich needs to be called to send packet
 405 
;      esi points to procedure wich needs to be called to send packet
361 
;
 406 
;
362 
;---------------------------------------------------------------------------
 407 
;---------------------------------------------------------------------------
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363 
 
 408 
 
364 
align 4
 409 
align 4
Line 365... Line 410...
365 
ETH_create_Packet:
 410 
ETH_create_packet:
Line 366... Line 411...
366 
 
 411 
 
367 
	DEBUGF 1,"Creating Ethernet Packet (size=%u): \n", ecx
 412 
	DEBUGF 1,"Creating Ethernet Packet (size=%u): \n", ecx
Line 392... Line 437...
392 
	stosw
 437 
	stosw
Line 393... Line 438...
393 
 
 438 
 
394 
	lea	eax, [edi - ETH_FRAME.Data]  ; Set eax to buffer start
 439 
	lea	eax, [edi - ETH_FRAME.Data]  ; Set eax to buffer start
395 
	mov	edx, ecx		     ; Set ebx to complete buffer size
 440 
	mov	edx, ecx		     ; Set ebx to complete buffer size
396 
	pop	ecx
 441 
	pop	ecx
Line 397... Line 442...
397 
	mov	esi, ETH_Sender
 442 
	mov	esi, ETH_sender
398 
 
 443 
 
Line 399... Line 444...
399 
	xor	ebx, ebx			;;;; TODO: Fixme
 444 
	xor	ebx, ebx			;;;; TODO: Fixme