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Rev 1274 Rev 1473
Line 12... Line 12...
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;;          GNU GENERAL PUBLIC LICENSE                             ;;
 12 
;;          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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 16 
 
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$Revision: 1274 $
 17 
$Revision: 1473 $
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 18 
 
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MAX_ETH_DEVICES 	equ MAX_NET_DEVICES
 19 
MAX_ETH_DEVICES 	equ MAX_NET_DEVICES
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151 
	DEBUGF	1,"- succes: %u\n",eax
 151 
	DEBUGF	1,"- succes: %u\n",eax
152 
	ret
 152 
	ret
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 153 
 
154 
       .error:
 154 
       .error:
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	or	eax, -1
 155 
	or	eax, -1
156 
	DEBUGF	1,"- fail\n"
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	DEBUGF	2,"Adding ETH device failed\n"
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;
 217 
;
218 
;-----------------------------------------------------------------
 218 
;-----------------------------------------------------------------
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align 4
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align 4
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ETH_receiver:
 220 
ETH_receiver:
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 221 
 
222 
	DEBUGF	1,"ETH_Receiver: "
 222 
;        DEBUGF  1,"ETH_Receiver: "
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	push	ebx
 223 
;        push    ebx
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	mov	esi, esp
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;        mov     esi, esp
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	add_to_queue ETH_IN_QUEUE, ETH_QUEUE_SIZE, eth_queue_entry.size, .fail
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;        add_to_queue ETH_IN_QUEUE, ETH_QUEUE_SIZE, eth_queue_entry.size, .fail
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	DEBUGF	1,"Queued packet successfully\n"
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;        DEBUGF  1,"Queued packet successfully\n"
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	add	esp, 4*3
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;        add     esp, 4*3
228 
 
 228 
;
229 
	ret
 229 
;        ret
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 230 
;
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  .fail:
 231 
;  .fail:
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	DEBUGF	1,"ETH_IN_QUEUE is full!\n"
 232 
;        DEBUGF  1,"ETH_IN_QUEUE is full!\n"
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	add	esp, 4
 233 
;        add     esp, 4
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	call	kernel_free
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;        call    kernel_free
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	add	esp, 4
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;        add     esp, 4
236 
 
 236 
;
237 
	ret
 - 
 
238 
 
 - 
 
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 - 
 
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 - 
 
241 
;-----------------------------------------------------------------
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;        ret
242 
;
 - 
 
243 
; ETH_Handler:
 238 
;
244 
;
 - 
 
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;  Handles all queued eth packets (called from kernel's main_loop)
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;
- 
 
 240 
;
- 
 
 241 
;;-----------------------------------------------------------------
- 
 
 242 
;;
- 
 
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;; ETH_Handler:
- 
 
 244 
;;
- 
 
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;;  Handles all queued eth packets (called from kernel's main_loop)
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;
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;;
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;  IN:  /
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;;  IN:  /
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;  OUT: /
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;;  OUT: /
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;
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;;
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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:
 252 
;ETH_handler:
253 
 
 253 
;
254 
	get_from_queue ETH_IN_QUEUE, ETH_QUEUE_SIZE, eth_queue_entry.size, .gohome
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;        get_from_queue ETH_IN_QUEUE, ETH_QUEUE_SIZE, eth_queue_entry.size, .gohome
255 
 
 255 
;
256 
	push	ETH_handler
 256 
;        push    ETH_handler
257 
 
 257 
;
258 
	lodsd
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;        lodsd
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	mov	ebx, eax
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;        mov     ebx, eax
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	lodsd
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;        lodsd
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	mov	ecx, eax
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;        mov     ecx, eax
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	lodsd
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;        lodsd
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	xchg	eax, ecx
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;        xchg    eax, ecx
- 
 
 264 
;        push    ecx
- 
 
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;        push    eax
- 
 
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- 
 
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	push	ecx
 268 
;-----------------------------
- 
 
 269 
	mov	eax, [esp]
- 
 
 270 
	mov	ecx, [esp+4]
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	push	eax
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;-----------------------------
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 272 
 
267 
	DEBUGF	1,"ETH_Handler - size: %u\n", ecx
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	DEBUGF	1,"ETH_Handler - size: %u\n", ecx
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	cmp	ecx, 60    ; check packet length
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	cmp	ecx, 60    ; check packet length
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	je	IPv4_handler
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	je	IPv4_handler
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 283 
 
278 
	cmp	ax, ETHER_ARP
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	cmp	ax, ETHER_ARP
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	je	ARP_handler
 285 
	je	ARP_handler
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 286 
 
281 
	DEBUGF	1,"Unknown ethernet packet type %x\n", ax
 287 
	DEBUGF	2,"Unknown ethernet packet type %x\n", ax
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 288 
 
283 
  .dump:
 289 
  .dump:
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	DEBUGF	1,"Dumping packet\n"
 290 
	DEBUGF	2,"ETH_Handler - dumping\n"
285 
	call	kernel_free
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	call	kernel_free
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- 
 
 292 
	add	esp, 4
- 
 
 293 
 
- 
 
 294 
  .gohome:
- 
 
 295 
	ret				; return to get more from queue / to caller
- 
 
 296 
 
- 
 
 297 
 
286 
	add	esp, 4
 298 
 
287 
 
 299 
 
288 
  .gohome:
 300 
align 4
289 
	ret				; return to get more from queue / to caller
 301 
ETH_handler:
290 
 
 302 
ret
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; OUT: edi is -1 on error, device number otherwise
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; OUT: edi is -1 on error, device number otherwise
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;
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;
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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_struc2dev:
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ETH_struc2dev:
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	push	eax ecx
 381 
	push	ecx
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 - 
 
371 
	mov	eax, ebx
 382 
 
372 
	mov	ecx, MAX_ETH_DEVICES
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	mov	ecx, MAX_ETH_DEVICES
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	mov	edi, ETH_DRV_LIST
 - 
 
374 
 
 - 
 
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- 
 
 384 
	mov	edi, ETH_DRV_LIST
375 
	repne	scasd
 385 
 
- 
 
 386 
 
376 
	jnz	.error
 387 
  .loop:
- 
 
 388 
	cmp	ebx, [edi]
- 
 
 389 
	jz	.found
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 - 
 
378 
	sub	edi, ETH_DRV_LIST+4
 - 
 
379 
	shr	edi, 2
 - 
 
380 
 
 390 
	add	edi, 4
381 
	pop	ecx eax
 - 
 
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- 
 
 391 
	dec	ecx
- 
 
 392 
	jnz	.loop
- 
 
 393 
 
- 
 
 394 
	or	edi, -1
- 
 
 395 
 
- 
 
 396 
	pop	ecx
- 
 
 397 
	ret
- 
 
 398 
 
382 
	ret
 399 
  .found:
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  .error:
 400 
	sub	edi, ETH_DRV_LIST
384 
	or	edi, -1
 401 
	shr	edi, 2
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 467 
 
451 
	DEBUGF 1,"done: %x size:%u device:%x\n", eax, edx, ebx
 468 
	DEBUGF	1,"done: %x size:%u device:%x\n", eax, edx, ebx
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452 
	ret
 469 
	ret
453 
 
 470 
 
454 
  .pop_exit:
 471 
  .pop_exit:
455 
	DEBUGF 1,"Out of ram space!!\n"
 472 
	DEBUGF	2,"Out of ram space!!\n"
456 
	add	esp, 18
 473 
	add	esp, 18
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457 
	or	edi,-1
 474 
	or	edi,-1
458 
	ret
 475 
	ret
459 
 
 476 
 
460 
  .exit:
 477 
  .exit: