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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: 1530 $
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$Revision: 1541 $
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 20 
 
21 
MAX_FRAGMENTS	equ 64
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MAX_FRAGMENTS	equ 64
Line 651... Line 651...
651 
	DEBUGF	1,"IPv4_create_packet: Failed\n"
 651 
	DEBUGF	1,"IPv4_create_packet: Failed\n"
652 
	sub	edi, edi
 652 
	sub	edi, edi
653 
	ret
 653 
	ret
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 656 
 
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 657 
 
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 658 
 
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 659 
;------------------------------------------------------------------
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 660 
;
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 661 
; IPv4_output_raw
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 662 
;
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 663 
; IN: eax = socket ptr
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 664 
;     ecx = data length
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 665 
;     esi = data ptr
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 666 
;
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 667 
; OUT: /
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 668 
;
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 669 
;------------------------------------------------------------------
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 670 
align 4
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 671 
IPv4_output_raw:
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 672 
 
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 673 
	DEBUGF 1,"IPv4_output_raw: size=%u ptr=%x socket=%x\n", ecx, esi, eax
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 674 
 
- 
 
 675 
	cmp	ecx, 1480		;;;;;
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 676 
	jg	.too_large
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 677 
 
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 678 
	sub	esp, 8
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 679 
	push	esi eax
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 680 
 
- 
 
 681 
	call	ARP_IP_to_MAC
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 682 
 
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 683 
	test	eax, 0xffff0000 	; error bits
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 684 
	jnz	.arp_error
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 685 
 
- 
 
 686 
  .continue:
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 687 
 
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 688 
	push	ebx	; push the mac
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 689 
	push	ax
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 690 
 
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 691 
	call	IPv4_dest_to_dev
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 692 
	inc	[IP_PACKETS_TX+edi]
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 693 
	mov	ebx, [NET_DRV_LIST+edi]
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 694 
	lea	eax, [ebx + ETH_DEVICE.mac]
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 695 
	mov	edx, esp
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 696 
	mov	ecx, [esp + 6+4]
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 697 
	add	ecx, IPv4_Packet.DataOrOptional
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 698 
	mov	di, ETHER_IPv4
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 699 
	call	ETH_output
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 700 
	jz	.error
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 701 
 
- 
 
 702 
	add	esp, 6	; pop the mac
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 703 
 
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 704 
	mov	dword[esp+4+4], edx
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 705 
	mov	dword[esp+4+4+4], eax
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	pop	eax esi
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 708 
;; todo: check socket options if we should add header, or just compute checksum
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 709 
 
- 
 
 710 
	push	edi ecx
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 711 
	rep	movsb
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 712 
	pop	ecx edi
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 713 
 
- 
 
 714 
;        [edi + IPv4_Packet.VersionAndIHL]              ; IPv4, normal length (no Optional header)
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 715 
;        [edi + IPv4_Packet.TypeOfService]              ; nothing special, just plain ip packet
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 716 
;        [edi + IPv4_Packet.TotalLength]
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 717 
;        [edi + IPv4_Packet.TotalLength]                ; internet byte order
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 718 
;        [edi + IPv4_Packet.FlagsAndFragmentOffset]
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 719 
 
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 720 
	mov	[edi + IPv4_Packet.HeaderChecksum], 0
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 721 
 
- 
 
 722 
;        [edi + IPv4_Packet.TimeToLive]                 ; ttl shl 8 + protocol
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 723 
;        [edi + IPv4_Packet.Protocol]
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 724 
;        [edi + IPv4_Packet.Identification]             ; fragment id
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 725 
;        [edi + IPv4_Packet.SourceAddress]
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 726 
;        [edi + IPv4_Packet.DestinationAddress]
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 727 
 
- 
 
 728 
	IPv4_checksum edi			;;;; todo: checksum for IP packet with options!
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 729 
	add	edi, IPv4_Packet.DataOrOptional
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 730 
	DEBUGF	1,"IPv4 Packet for device %x created successfully\n", ebx
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 731 
	call	[ebx + NET_DEVICE.transmit]
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 732 
	ret
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 733 
 
- 
 
 734 
  .error:
- 
 
 735 
	add	esp, 6
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 736 
  .arp_error:
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 737 
	add	esp, 8+4+4
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 738 
  .too_large:
- 
 
 739 
	DEBUGF	1,"IPv4_output_raw: Failed\n"
- 
 
 740 
	sub	edi, edi
- 
 
 741 
	ret
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 742 
 
655 
 
 743 
 
656 
;--------------------------------------------------------
 744 
;--------------------------------------------------------
657 
;
 745 
;
658 
;
 746 
;