Rev 4976 | Rev 5363 | Go to most recent revision | Show entire file | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed
| Rev 4976 | Rev 5015 | ||
|---|---|---|---|
| Line 1... | Line 1... | ||
| 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| 2 | ;; ;; |
2 | ;; ;; |
| 3 | ;; Copyright (C) KolibriOS team 2004-2013. All rights reserved. ;; |
3 | ;; Copyright (C) KolibriOS team 2004-2014. All rights reserved. ;; |
| 4 | ;; Distributed under terms of the GNU General Public License ;; |
4 | ;; Distributed under terms of the GNU General Public License ;; |
| 5 | ;; ;; |
5 | ;; ;; |
| 6 | ;; IPv4.INC ;; |
6 | ;; IPv4.INC ;; |
| 7 | ;; ;; |
7 | ;; ;; |
| 8 | ;; Part of the TCP/IP network stack for KolibriOS ;; |
8 | ;; Part of the TCP/IP network stack for KolibriOS ;; |
| Line 14... | Line 14... | ||
| 14 | ;; GNU GENERAL PUBLIC LICENSE ;; |
14 | ;; GNU GENERAL PUBLIC LICENSE ;; |
| 15 | ;; Version 2, June 1991 ;; |
15 | ;; Version 2, June 1991 ;; |
| 16 | ;; ;; |
16 | ;; ;; |
| 17 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
17 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| Line 18... | Line 18... | ||
| 18 | 18 | ||
| Line 19... | Line 19... | ||
| 19 | $Revision: 4976 $ |
19 | $Revision: 5015 $ |
| 20 | 20 | ||
| Line 21... | Line 21... | ||
| 21 | IPv4_MAX_FRAGMENTS = 64 |
21 | IPv4_MAX_FRAGMENTS = 64 |
| Line 574... | Line 574... | ||
| 574 | ; IN: eax = Destination IP |
574 | ; IN: eax = Destination IP |
| 575 | ; ecx = data length |
575 | ; ecx = data length |
| 576 | ; edx = Source IP |
576 | ; edx = Source IP |
| 577 | ; di = TTL shl 8 + protocol |
577 | ; di = TTL shl 8 + protocol |
| 578 | ; |
578 | ; |
| 579 | ; OUT: eax = pointer to buffer start |
579 | ; OUT: eax = pointer to buffer start / 0 on error |
| 580 | ; ebx = pointer to device struct (needed for sending procedure) |
580 | ; ebx = device ptr (send packet through this device) |
| 581 | ; ecx = unchanged (packet size of embedded data) |
581 | ; ecx = data length |
| 582 | ; edx = size of complete buffer |
582 | ; edx = size of complete frame |
| 583 | ; edi = pointer to start of data (0 on error) |
583 | ; edi = start of IPv4 payload |
| 584 | ; |
584 | ; |
| 585 | ;------------------------------------------------------------------ |
585 | ;------------------------------------------------------------------ |
| 586 | align 4 |
586 | align 4 |
| 587 | IPv4_output: |
587 | IPv4_output: |
| Line 592... | Line 592... | ||
| 592 | ja .too_large |
592 | ja .too_large |
| Line 593... | Line 593... | ||
| 593 | 593 | ||
| 594 | push ecx di eax |
594 | push ecx di eax |
| 595 | call IPv4_route ; outputs device number in edi, dest ip in eax, source IP in edx |
595 | call IPv4_route ; outputs device number in edi, dest ip in eax, source IP in edx |
| 596 | push edx |
- | |
| 597 | 596 | push edx |
|
| 598 | test edi, edi |
597 | test edi, edi |
| Line 599... | Line 598... | ||
| 599 | jz .loopback |
598 | jz .loopback |
| 600 | 599 | ||
| Line 604... | Line 603... | ||
| 604 | push ebx ; push the mac onto the stack |
603 | push ebx ; push the mac onto the stack |
| 605 | push ax |
604 | push ax |
| Line 606... | Line 605... | ||
| 606 | 605 | ||
| Line -... | Line 606... | ||
| - | 606 | inc [IPv4_packets_tx + edi] ; update stats |
|
| 607 | inc [IPv4_packets_tx + edi] ; update stats |
607 | |
| 608 | - | ||
| 609 | mov ebx, [NET_DRV_LIST + edi] |
- | |
| 610 | lea eax, [ebx + ETH_DEVICE.mac] |
608 | mov ax, ETHER_PROTO_IPv4 |
| 611 | mov edx, esp |
609 | mov ebx, [NET_DRV_LIST + edi] |
| 612 | mov ecx, [esp + 6 + 8 + 2] |
610 | mov ecx, [esp + 6 + 8 + 2] |
| 613 | add ecx, sizeof.IPv4_header |
611 | add ecx, sizeof.IPv4_header |
| 614 | mov di, ETHER_PROTO_IPv4 |
612 | mov edx, esp |
| 615 | call ETH_output |
613 | call ETH_output |
| Line 616... | Line 614... | ||
| 616 | jz .eth_error |
614 | jz .eth_error |
| Line 639... | Line 637... | ||
| 639 | ret |
637 | ret |
| Line 640... | Line 638... | ||
| 640 | 638 | ||
| 641 | .eth_error: |
639 | .eth_error: |
| 642 | DEBUGF DEBUG_NETWORK_ERROR, "IPv4_output: ethernet error\n" |
640 | DEBUGF DEBUG_NETWORK_ERROR, "IPv4_output: ethernet error\n" |
| 643 | add esp, 3*4+2+6 |
641 | add esp, 3*4+2+6 |
| 644 | xor edi, edi |
642 | xor eax, eax |
| Line 645... | Line 643... | ||
| 645 | ret |
643 | ret |
| 646 | 644 | ||
| 647 | .arp_error: |
645 | .arp_error: |
| 648 | DEBUGF DEBUG_NETWORK_ERROR, "IPv4_output: ARP error=%x\n", eax |
646 | DEBUGF DEBUG_NETWORK_ERROR, "IPv4_output: ARP error=%x\n", eax |
| 649 | add esp, 3*4+2 |
647 | add esp, 3*4+2 |
| Line 650... | Line 648... | ||
| 650 | xor edi, edi |
648 | xor eax, eax |
| 651 | ret |
649 | ret |
| 652 | 650 | ||
| 653 | .too_large: |
651 | .too_large: |
| Line 654... | Line 652... | ||
| 654 | DEBUGF DEBUG_NETWORK_ERROR, "IPv4_output: Packet too large!\n" |
652 | DEBUGF DEBUG_NETWORK_ERROR, "IPv4_output: Packet too large!\n" |
| 655 | xor edi, edi |
653 | xor eax, eax |
| 656 | ret |
654 | ret |
| Line 672... | Line 670... | ||
| 672 | ; |
670 | ; |
| 673 | ; IN: eax = socket ptr |
671 | ; IN: eax = socket ptr |
| 674 | ; ecx = data length |
672 | ; ecx = data length |
| 675 | ; esi = data ptr |
673 | ; esi = data ptr |
| 676 | ; |
674 | ; |
| 677 | ; OUT: / |
675 | ; OUT: eax = -1 on error |
| 678 | ; |
676 | ; |
| 679 | ;------------------------------------------------------------------ |
677 | ;------------------------------------------------------------------ |
| 680 | align 4 |
678 | align 4 |
| 681 | IPv4_output_raw: |
679 | IPv4_output_raw: |
| Line 696... | Line 694... | ||
| 696 | 694 | ||
| 697 | push ebx ; push the mac |
695 | push ebx ; push the mac |
| Line 698... | Line 696... | ||
| 698 | push ax |
696 | push ax |
| - | 697 | ||
| 699 | 698 | inc [IPv4_packets_tx + 4*edi] |
|
| 700 | inc [IPv4_packets_tx + 4*edi] |
- | |
| 701 | mov ebx, [NET_DRV_LIST + 4*edi] |
- | |
| 702 | lea eax, [ebx + ETH_DEVICE.mac] |
699 | mov ax, ETHER_PROTO_IPv4 |
| 703 | mov edx, esp |
700 | mov ebx, [NET_DRV_LIST + 4*edi] |
| 704 | mov ecx, [esp + 6 + 4] |
701 | mov ecx, [esp + 6 + 4] |
| 705 | add ecx, sizeof.IPv4_header |
702 | add ecx, sizeof.IPv4_header |
| 706 | mov di, ETHER_PROTO_IPv4 |
703 | mov edx, esp |
| 707 | call ETH_output |
- | |
| 708 | jz .error |
704 | call ETH_output |
| Line 709... | Line 705... | ||
| 709 | 705 | jz .error |
|
| 710 | add esp, 6 ; pop the mac |
706 | add esp, 6 ; pop the mac |
| Line 743... | Line 739... | ||
| 743 | add esp, 6 |
739 | add esp, 6 |
| 744 | .arp_error: |
740 | .arp_error: |
| 745 | add esp, 8+4+4 |
741 | add esp, 8+4+4 |
| 746 | .too_large: |
742 | .too_large: |
| 747 | DEBUGF DEBUG_NETWORK_ERROR, "IPv4_output_raw: Failed\n" |
743 | DEBUGF DEBUG_NETWORK_ERROR, "IPv4_output_raw: Failed\n" |
| 748 | sub edi, edi |
744 | or eax, -1 |
| 749 | ret |
745 | ret |
| Line 750... | Line 746... | ||
| 750 | 746 | ||
| 751 | 747 | ||
| Line 792... | Line 788... | ||
| 792 | push dword 0 ; offset |
788 | push dword 0 ; offset |
| Line 793... | Line 789... | ||
| 793 | 789 | ||
| 794 | .new_fragment: |
790 | .new_fragment: |
| Line 795... | Line -... | ||
| 795 | DEBUGF DEBUG_NETWORK_VERBOSE, "Ipv4_fragment: new fragment" |
- | |
| 796 | 791 | DEBUGF DEBUG_NETWORK_VERBOSE, "Ipv4_fragment: new fragment" |
|
| 797 | 792 | ||
| 798 | mov eax, [esp + 3*4] |
- | |
| 799 | lea ebx, [esp + 4*4] |
793 | mov ax, ETHER_PROTO_IPv4 |
| 800 | mov di , ETHER_PROTO_IPv4 |
- | |
| 801 | call ETH_output |
- | |
| 802 | 794 | lea ebx, [esp + 4*4] |
|
| Line 803... | Line 795... | ||
| 803 | cmp edi, -1 |
795 | call ETH_output |
| 804 | jz .err |
796 | jz .err |
| 805 | 797 | ||