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Rev 1257 Rev 1258
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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: 1257 $
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$Revision: 1258 $
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align 4
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align 4
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uglobal
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uglobal
- 
 
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	NumARP		dd ?
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	NumARP		dd ?
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	ARPTable	rb ARP_ENTRY.size * ARP_TABLE_SIZE
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	ARPTable	rb ARP_ENTRY.size * ARP_TABLE_SIZE
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   ; if not, reserve an entry in list and send an ARP request packet
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   ; if not, reserve an entry in list and send an ARP request packet
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	push	eax
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	push	eax
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	push	word ARP_REQUEST_TTL
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	pushw	ARP_REQUEST_TTL
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	push	word ARP_AWAITING_RESPONSE
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	pushw	ARP_AWAITING_RESPONSE
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	push	dword 0
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	pushd	0
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	push	word 0
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	push	eax
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	pushw	0
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	call	ARP_add_entry
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	pushd	eax
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	call	ARP_add_entry
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	cmp	eax, -1
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	je	.full
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	;
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- 
 
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	; This piece of code waits for an ARP reply
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	cmp	eax, -1
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	mov	ebx, eax
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	pop	eax
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	push	ebx
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	call	ARP_create_request
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	push	[timer_ticks]
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	add	dword[esp], 100*ARP_REQUEST_TTL
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	DEBUGF 1,"Waiting for ARP reply, time: %x, entry:%u\n",[timer_ticks], [esp + 4]
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   .dirty_loop:
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	call	change_task	; The ARP reply hasnt been received yet, tell the processor to do some other stuff first
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	mov	eax, [esp + 4]
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	imul	eax, ARP_ENTRY.size
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	add	eax, ARPTable
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	cmp	[eax + ARP_ENTRY.Status], ARP_VALID_MAPPING
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	je	.gogogo
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	mov	eax, [esp]	; Check if the reply hasnt timed-out yet
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	cmp	[timer_ticks], eax
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	je	.full
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	jl	.dirty_loop
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	pop	eax
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	;
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	call	ARP_create_request
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	or	eax, -1
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	ret
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	add	esp, 8
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 - 
 
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  .found_it:
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	ret
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	add    esi, ARP_ENTRY.MAC
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	DEBUGF 1,"Found MAC! (%x-%x-%x-%x-%x-%x)\n",[esi+0]:2,[esi+1]:2,[esi+2]:2,[esi+3]:2,[esi+4]:2,[esi+5]:2
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  .found_it:
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	movzx  eax, word [esi]
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	DEBUGF 1,"found MAC in ARPTable\n"
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	mov    ebx, [esi+2]
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	movzx  eax, word [esi+ARP_ENTRY.MAC]
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	mov    ebx, dword[esi+ARP_ENTRY.MAC+2]
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	ret
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- 
 
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  .full:
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	add	esp, 4
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	mov	eax, -1
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	ret
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	ret
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  .gogogo:
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	DEBUGF 1,"got ARP reply, time: %x\n",[timer_ticks]
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  .full:
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	mov    ebx, dword[eax+ARP_ENTRY.MAC+2]
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	add	esp, 4
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	movzx  eax, word [eax+ARP_ENTRY.MAC]
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	mov	eax, -1
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	add    esp, 8
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	ret
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	ret
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	mov	ecx, ARP_ENTRY.size/2
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	mov	ecx, ARP_ENTRY.size/2
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	repz	movsw
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	repz	movsw
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	inc	[NumARP]
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	inc	[NumARP]
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	pop	eax
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	pop	eax
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	DEBUGF 1,"New entry created: %u\n", eax
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.exit:
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.exit:
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	DEBUGF 1,"Exiting\n"
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	DEBUGF 1,"Exiting\n"
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	ret	ARP_ENTRY.size
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	ret	ARP_ENTRY.size