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Better debug info for network, lots of improvements in TCP code

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git-svn-id: svn://kolibrios.org@2891 a494cfbc-eb01-0410-851d-a64ba20cac60
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hidnplayr
2012-07-26 23:21:35 +00:00
parent 0287f5c75b
commit 83c26b2500
10 changed files with 303 additions and 336 deletions
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50
kernel/branches/net/network/IPv4.inc
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@@ -219,7 +219,7 @@ IPv4_input: ; TODO: add IPv4
IPv4_checksum edx
jnz .dump ; if checksum isn't valid then dump packet
DEBUGF 1,"IPv4 Checksum is correct\n"
DEBUGF 1,"IPv4_input: Checksum ok\n"
;-----------------------------------
; Check if destination IP is correct
@@ -257,7 +257,7 @@ IPv4_input: ; TODO: add IPv4
; or it's just not meant for us.. :(
DEBUGF 2,"IPv4_input - Destination address does not match!\n"
DEBUGF 2,"IPv4_input: Destination address does not match!\n"
jmp .dump
;------------------------
@@ -301,11 +301,11 @@ IPv4_input: ; TODO: add IPv4
cmp al, IP_PROTO_ICMP
je ICMP_input
DEBUGF 2,"IPv4_input - unknown protocol: %u\n", al
DEBUGF 2,"IPv4_input: unknown protocol %u\n", al
.dump:
DEBUGF 2,"IPv4_input - dumping\n"
; inc [dumped_rx_count]
DEBUGF 2,"IPv4_input: dumping\n"
; inc [dumped_rx_count] ;;; TODO
call kernel_free
add esp, 4 ; pop (balance stack)
ret
@@ -320,7 +320,7 @@ IPv4_input: ; TODO: add IPv4
xchg al , ah
shl ax , 3
DEBUGF 1,"Fragmented packet, offset:%u, id:%x\n", ax, [edx + IPv4_header.Identification]:4
DEBUGF 1,"IPv4_input: fragmented packet offset=%u id=%x\n", ax, [edx + IPv4_header.Identification]:4
test ax , ax ; Is this the first packet of the fragment?
jz .is_first_fragment
@@ -329,7 +329,7 @@ IPv4_input: ; TODO: add IPv4
;-------------------------------------------------------
; We have a fragmented IP packet, but it's not the first
DEBUGF 1,"Middle fragmented packet received!\n"
DEBUGF 1,"IPv4_input: Middle fragment packet received!\n"
call IPv4_find_fragment_slot
cmp esi, -1
@@ -362,7 +362,7 @@ IPv4_input: ; TODO: add IPv4
; We have received the first fragment
.is_first_fragment:
DEBUGF 1,"First fragmented packet received!\n"
DEBUGF 1,"IPv4_input: First fragment packet received!\n"
; try to locate a free slot..
mov ecx, MAX_FRAGMENTS
mov esi, FRAGMENT_LIST
@@ -396,7 +396,7 @@ IPv4_input: ; TODO: add IPv4
; We have received the last fragment
.is_last_fragment:
DEBUGF 1,"Last fragmented packet received!\n"
DEBUGF 1,"IPv4_input: Last fragment packet received!\n"
call IPv4_find_fragment_slot
cmp esi, -1
@@ -412,12 +412,12 @@ IPv4_input: ; TODO: add IPv4
jne .destroy_slot_pop ; Damn, something screwed up, remove the whole slot (and free buffers too if possible!)
mov cx, [esi + sizeof.FRAGMENT_entry + IPv4_header.TotalLength] ; Add total length
xchg cl, ch
DEBUGF 1,"Packet size: %u\n", cx
DEBUGF 1,"IPv4_input: Packet size=%u\n", cx
add ax, cx
movzx cx, [esi + sizeof.FRAGMENT_entry + IPv4_header.VersionAndIHL] ; Sub Header length
and cx, 0x000F
shl cx, 2
DEBUGF 1,"Header size: %u\n", cx
DEBUGF 1,"IPv4_input: Header size=%u\n", cx
sub ax, cx
mov edi, esi
mov esi, [esi + FRAGMENT_entry.NextPtr]
@@ -432,9 +432,9 @@ IPv4_input: ; TODO: add IPv4
mov cx, [edx + IPv4_header.TotalLength] ; Note: This time we dont substract Header length
xchg cl , ch
DEBUGF 1,"Packet size: %u\n", cx
DEBUGF 1,"IPv4_input: Packet size=%u\n", cx
add ax , cx
DEBUGF 1,"Total Received data size: %u\n", eax
DEBUGF 1,"IPv4_input: Total Received data size=%u\n", eax
push eax
mov ax , [edx + IPv4_header.FlagsAndFragmentOffset]
@@ -442,7 +442,7 @@ IPv4_input: ; TODO: add IPv4
shl ax , 3
add cx , ax
pop eax
DEBUGF 1,"Total Fragment size: %u\n", ecx
DEBUGF 1,"IPv4_input: Total Fragment size=%u\n", ecx
cmp ax, cx
jne .destroy_slot_pop
@@ -458,7 +458,7 @@ IPv4_input: ; TODO: add IPv4
movzx ecx, [edx + sizeof.FRAGMENT_entry + IPv4_header.FlagsAndFragmentOffset] ; Calculate the fragment offset
xchg cl , ch ; intel byte order
shl cx , 3 ; multiply by 8 and clear first 3 bits
DEBUGF 1,"Fragment offset: %u\n", cx
DEBUGF 1,"IPv4_input: Fragment offset=%u\n", cx
lea edi, [eax + ecx] ; Notice that edi will be equal to eax for first fragment
movzx ebx, [edx + sizeof.FRAGMENT_entry + IPv4_header.VersionAndIHL] ; Find header size (in ebx) of fragment
@@ -505,7 +505,7 @@ IPv4_input: ; TODO: add IPv4
.destroy_slot_pop:
add esp, 4
.destroy_slot:
DEBUGF 1,"Destroy fragment slot!\n"
DEBUGF 1,"IPv4_input: Destroy fragment slot!\n"
; TODO!
jmp .dump
@@ -613,7 +613,7 @@ IPv4_output:
IPv4_checksum edi
add edi, sizeof.IPv4_header
DEBUGF 1,"IPv4 Packet for device %x created successfully\n", ebx
DEBUGF 1,"IPv4_output: success!\n"
ret
.eth_error:
@@ -623,13 +623,13 @@ IPv4_output:
ret
.arp_error:
DEBUGF 1,"IPv4_output: ARP error (0x%x)\n", eax
DEBUGF 1,"IPv4_output: ARP error=%x\n", eax
add esp, 3*4+2
xor edi, edi
ret
.too_large:
DEBUGF 1,"IPv4_output: error: Packet too large!\n"
DEBUGF 1,"IPv4_output: Packet too large!\n"
xor edi, edi
ret
@@ -706,7 +706,7 @@ IPv4_output_raw:
IPv4_checksum edi ;;;; todo: checksum for IP packet with options!
add edi, sizeof.IPv4_header
DEBUGF 1,"IPv4 Packet for device %x created successfully\n", ebx
DEBUGF 1,"IPv4_output_raw: device=%x\n", ebx
call [ebx + NET_DEVICE.transmit]
ret
@@ -763,7 +763,7 @@ IPv4_fragment:
push dword 0 ; offset
.new_fragment:
DEBUGF 1,"Ipv4_fragment - new_fragmentn"
DEBUGF 1,"Ipv4_fragment: new fragment"
mov eax, [esp + 3*4]
@@ -785,7 +785,7 @@ IPv4_fragment:
add esi, [esp] ; offset
mov ecx, [esp + 1*4]
DEBUGF 1,"IPv4_fragment - copying data (%u bytes)\n", ecx
DEBUGF 1,"IPv4_fragment: copying %u bytes\n", ecx
rep movsb
; now, correct header
@@ -822,7 +822,7 @@ IPv4_fragment:
sub ecx, [esp+2*4] ; ptr to ip header
add ecx, [esp] ; offset
DEBUGF 1,"Ipv4_fragment - bytes remaining: %u\n", ecx
DEBUGF 1,"Ipv4_fragment: %u bytes remaining\n", ecx
cmp ecx, [esp+1*4]
jae .new_fragment
@@ -831,11 +831,11 @@ IPv4_fragment:
jmp .new_fragment
.err:
DEBUGF 1,"Ipv4_fragment - failed\n"
DEBUGF 1,"Ipv4_fragment: failed\n"
.done:
add esp, 12 + 4 + 6
.err2:
DEBUGF 1,"Ipv4_fragment - dumping\n"
DEBUGF 1,"Ipv4_fragment: dumping\n"
call kernel_free
add esp, 4