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| Rev 9807 | Rev 9809 | ||
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| 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: 9807 $ |
19 | $Revision: 9809 $ |
| 20 | 20 | ||
| Line 21... | Line 21... | ||
| 21 | IPv4_MAX_FRAGMENTS = 64 |
21 | IPv4_MAX_FRAGMENTS = 64 |
| Line 506... | Line 506... | ||
| 506 | call kernel_alloc |
506 | call kernel_alloc |
| 507 | test eax, eax |
507 | test eax, eax |
| 508 | je .destroy_slot_pop ; If we dont have enough space to allocate the buffer, discard all packets in slot |
508 | je .destroy_slot_pop ; If we dont have enough space to allocate the buffer, discard all packets in slot |
| 509 | mov edx, [esp+4] ; Get pointer to first fragment entry back in edx |
509 | mov edx, [esp+4] ; Get pointer to first fragment entry back in edx |
| Line 510... | Line 510... | ||
| 510 | 510 | ||
| Line 511... | Line 511... | ||
| 511 | ; FIXME: We should create NET_BUFF in eax instead of a rugular buffer with IP packet |
511 | ; FIXME: Allocate NET_BUFF here instead of raw IP packet buffer |
| 512 | 512 | ||
| 513 | .rebuild_packet_loop: |
513 | .rebuild_packet_loop: |
| 514 | movzx ecx, [edx + sizeof.NET_BUFF + sizeof.IPv4_FRAGMENT_entry + IPv4_header.FlagsAndFragmentOffset] ; Calculate the fragment offset |
514 | movzx ecx, [edx + sizeof.NET_BUFF + sizeof.IPv4_FRAGMENT_entry + IPv4_header.FlagsAndFragmentOffset] ; Calculate the fragment offset |
| Line 560... | Line 560... | ||
| 560 | mov [edx + IPv4_header.TotalLength], cx |
560 | mov [edx + IPv4_header.TotalLength], cx |
| 561 | add esp, 8 ; Remove pointer to first buffer and pointer to last buffer from the stack |
561 | add esp, 8 ; Remove pointer to first buffer and pointer to last buffer from the stack |
| 562 | xchg cl, ch |
562 | xchg cl, ch |
| 563 | push edx ; Push pointer to the new buffer with full IP packet |
563 | push edx ; Push pointer to the new buffer with full IP packet |
| 564 | mov edi, [edi_saved] |
564 | mov edi, [edi_saved] |
| - | 565 | ||
| - | 566 | ; FIXME: Remove this block once allocated network buffers handling is implemented. |
|
| - | 567 | if 1 |
|
| - | 568 | DEBUGF DEBUG_NETWORK_ERROR, "IPv4_input: fragmented packet of size %d is dropped\n", ecx |
|
| - | 569 | call kernel_free ; Ptr to buffer is on the stack already |
|
| - | 570 | inc [IPv4_packets_dumped + edi] |
|
| - | 571 | ret |
|
| - | 572 | end if |
|
| - | 573 | ||
| 565 | jmp .handle_it ; edx = buf ptr, ecx = size, [esp] buf ptr, ebx=device ptr |
574 | jmp .handle_it ; edx = buf ptr, ecx = size, [esp] buf ptr, ebx=device ptr |
| Line 566... | Line 575... | ||
| 566 | 575 | ||
| 567 | .destroy_slot_pop: |
576 | .destroy_slot_pop: |
| 568 | add esp, 4 |
577 | add esp, 4 |