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| Rev 9806 | Rev 9807 | ||
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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: 9806 $ |
19 | $Revision: 9807 $ |
| 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 -... | Line 510... | ||
| - | 510 | ||
| - | 511 | ; FIXME: We should create NET_BUFF in eax instead of a rugular buffer with IP packet |
|
| 510 | 512 | ||
| 511 | .rebuild_packet_loop: |
513 | .rebuild_packet_loop: |
| 512 | 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 |
| 513 | xchg cl, ch ; intel byte order |
515 | xchg cl, ch ; intel byte order |
| 514 | shl cx, 3 ; multiply by 8 and clear first 3 bits |
516 | shl cx, 3 ; multiply by 8 and clear first 3 bits |
| Line 554... | Line 556... | ||
| 554 | 556 | ||
| 555 | pop ecx |
557 | pop ecx |
| 556 | xchg cl, ch |
558 | xchg cl, ch |
| 557 | mov edx, eax |
559 | mov edx, eax |
| 558 | mov [edx + IPv4_header.TotalLength], cx |
560 | mov [edx + IPv4_header.TotalLength], cx |
| 559 | add esp, 12 |
561 | add esp, 8 ; Remove pointer to first buffer and pointer to last buffer from the stack |
| 560 | xchg cl, ch |
562 | xchg cl, ch |
| 561 | push ecx edx ; size and pointer |
563 | push edx ; Push pointer to the new buffer with full IP packet |
| 562 | mov edi, [edi_saved] |
564 | mov edi, [edi_saved] |
| Line 563... | Line 565... | ||
| 563 | jmp .handle_it ; edx = buf ptr, ecx = size, [esp] buf ptr, [esp+4], total size, ebx=device ptr |
565 | jmp .handle_it ; edx = buf ptr, ecx = size, [esp] buf ptr, ebx=device ptr |
| 564 | 566 | ||
| 565 | .destroy_slot_pop: |
567 | .destroy_slot_pop: |
| 566 | add esp, 4 |
568 | add esp, 4 |