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| 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| 2 | ;; ;; |
2 | ;; ;; |
| 3 | ;; Copyright (C) KolibriOS team 2004-2015. All rights reserved. ;; |
3 | ;; Copyright (C) KolibriOS team 2004-2016. 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: 6011 $ |
19 | $Revision: 6122 $ |
| 20 | 20 | ||
| Line 21... | Line 21... | ||
| 21 | IPv4_MAX_FRAGMENTS = 64 |
21 | IPv4_MAX_FRAGMENTS = 64 |
| Line 632... | Line 632... | ||
| 632 | ja .too_large |
632 | ja .too_large |
| Line 633... | Line 633... | ||
| 633 | 633 | ||
| 634 | push ecx ax edi |
634 | push ecx ax edi |
| 635 | mov eax, edi |
635 | mov eax, edi |
| - | 636 | call ipv4_route ; outputs device number in edi, dest ip in eax, source IP in edx |
|
| - | 637 | test eax, eax |
|
| 636 | call ipv4_route ; outputs device number in edi, dest ip in eax, source IP in edx |
638 | jz .no_route |
| 637 | push edx |
639 | push edx |
| 638 | test edi, edi |
640 | test edi, edi |
| Line 639... | Line 641... | ||
| 639 | jz .loopback |
641 | jz .loopback |
| Line 681... | Line 683... | ||
| 681 | DEBUGF DEBUG_NETWORK_ERROR, "IPv4_output: ethernet error\n" |
683 | DEBUGF DEBUG_NETWORK_ERROR, "IPv4_output: ethernet error\n" |
| 682 | add esp, 3*4+2+6 |
684 | add esp, 3*4+2+6 |
| 683 | xor eax, eax |
685 | xor eax, eax |
| 684 | ret |
686 | ret |
| Line -... | Line 687... | ||
| - | 687 | ||
| - | 688 | .no_route: |
|
| - | 689 | DEBUGF DEBUG_NETWORK_ERROR, "IPv4_output: No route to host!\n" |
|
| - | 690 | add esp, 2*4+2 |
|
| - | 691 | xor eax, eax |
|
| - | 692 | ret |
|
| 685 | 693 | ||
| 686 | .arp_error: |
694 | .arp_error: |
| 687 | DEBUGF DEBUG_NETWORK_ERROR, "IPv4_output: ARP error=%x\n", eax |
695 | DEBUGF DEBUG_NETWORK_ERROR, "IPv4_output: ARP error=%x\n", eax |
| 688 | add esp, 4 |
696 | add esp, 4 |
| 689 | pop eax |
697 | pop eax |
| Line 915... | Line 923... | ||
| 915 | ; ; |
923 | ; ; |
| 916 | ; IN: eax = Destination IP ; |
924 | ; IN: eax = Destination IP ; |
| 917 | ; ebx = outgoing device / 0 ; |
925 | ; ebx = outgoing device / 0 ; |
| 918 | ; edx = Source IP ; |
926 | ; edx = Source IP ; |
| 919 | ; ; |
927 | ; ; |
| 920 | ; OUT: eax = Destination IP (or gateway IP) ; |
928 | ; OUT: eax = Destination IP (may be gateway), 0 on error ; |
| 921 | ; edx = Source IP ; |
929 | ; edx = Source IP ; |
| 922 | ; edi = device number*4 ; |
930 | ; edi = device number*4 ; |
| 923 | ; ; |
931 | ; ; |
| 924 | ; DESTROYED: ; |
932 | ; DESTROYED: ; |
| 925 | ; ecx ; |
933 | ; ecx ; |
| 926 | ; ; |
934 | ; ; |
| 927 | ;-----------------------------------------------------------------; |
935 | ;-----------------------------------------------------------------; |
| 928 | align 4 |
936 | align 4 |
| 929 | ipv4_route: ; TODO: return error if no valid route found |
937 | ipv4_route: |
| Line 930... | Line 938... | ||
| 930 | 938 | ||
| 931 | test ebx, ebx |
939 | test ebx, ebx |
| Line 932... | Line 940... | ||
| 932 | jnz .got_device |
940 | jnz .got_device |
| Line 977... | Line 985... | ||
| 977 | mov eax, [GATEWAY_LIST + edi] |
985 | mov eax, [GATEWAY_LIST + edi] |
| 978 | @@: |
986 | @@: |
| 979 | ret |
987 | ret |
| Line 980... | Line 988... | ||
| 980 | 988 | ||
| - | 989 | .fail: |
|
| 981 | .fail: |
990 | xor eax, eax |
| Line 982... | Line 991... | ||
| 982 | ret |
991 | ret |