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Rev 1257 Rev 1473
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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: 1473 $
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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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ICMP_handler:	;TODO: works only on pure ethernet right now !
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ICMP_handler:	;TODO: works only on pure ethernet right now !
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	DEBUGF	1,"ICMP_Handler - start\n"
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	DEBUGF	1,"ICMP_Handler - buf:%x size:%x dev:%x, size:%x, buf:%x\n", [esp], [esp+4], ebx, ecx, edx
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	cmp	byte [edx + ICMP_Packet.Type], ICMP_ECHO		    ; Is this an echo request?
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	cmp	byte [edx + ICMP_Packet.Type], ICMP_ECHO		    ; Is this an echo request?
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	jne	.check_sockets
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;;; TODO: check checksum!
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	jne	.check_sockets
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	DEBUGF	1,"ICMP_Handler - is echo request, through device:%x\n", ebx
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	mov	byte [edx + ICMP_Packet.Type], ICMP_ECHOREPLY		    ; Change Packet type to reply
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	mov	byte [edx + ICMP_Packet.Type], ICMP_ECHOREPLY		    ; Change Packet type to reply
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	mov	word [edx + ICMP_Packet.Checksum], 0			    ; Set checksum to 0, needed to calculate new checksum
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	mov	word [edx + ICMP_Packet.Checksum], 0			    ; Set checksum to 0, needed to calculate new checksum