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Cosmetical changes in network code, updated TCP timer code.

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git-svn-id: svn://kolibrios.org@6011 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
hidnplayr 2015-12-27 15:37:31 +00:00
parent 116d2c8d6a
commit c81c3fbd4f
18 changed files with 1061 additions and 1086 deletions
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14
kernel/trunk/core/exports.inc
View File

@ -119,13 +119,13 @@ __exports:
usb_get_param, 'USBGetParam', \ usb_get_param, 'USBGetParam', \
usb_hc_func, 'USBHCFunc', \ usb_hc_func, 'USBHCFunc', \
\ \
NET_add_device, 'NetRegDev', \ net_add_device, 'NetRegDev', \
NET_remove_device, 'NetUnRegDev', \ net_remove_device, 'NetUnRegDev', \
NET_ptr_to_num, 'NetPtrToNum', \ net_ptr_to_num, 'NetPtrToNum', \
NET_link_changed, 'NetLinkChanged', \ net_link_changed, 'NetLinkChanged', \
ETH_input, 'EthInput', \ eth_input, 'EthInput', \
NET_BUFF_alloc, 'NetAlloc', \ net_buff_alloc, 'NetAlloc', \
NET_BUFF_free, 'NetFree', \ net_buff_free, 'NetFree', \
\ \
get_pcidev_list, 'GetPCIList', \ get_pcidev_list, 'GetPCIList', \
\ \

4
kernel/trunk/kernel.asm
View File

@ -2167,7 +2167,7 @@ sys_end:
pusha pusha
mov edx, [TASK_BASE] mov edx, [TASK_BASE]
mov edx, [edx+TASKDATA.pid] mov edx, [edx+TASKDATA.pid]
call SOCKET_process_end call socket_process_end
popa popa
;-------------------------------------- ;--------------------------------------
mov ecx, [current_slot] mov ecx, [current_slot]
@ -2297,7 +2297,7 @@ sysfn_terminate: ; 18.2 = TERMINATE
; terminate all network sockets it used ; terminate all network sockets it used
pusha pusha
mov eax, edx mov eax, edx
call SOCKET_process_end call socket_process_end
popa popa
;-------------------------------------- ;--------------------------------------
cmp [_display.select_cursor], 0 cmp [_display.select_cursor], 0

205
kernel/trunk/network/ARP.inc
View File

@ -70,14 +70,12 @@ endg
;----------------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; ARP_init ; arp_init: Resets all ARP variables. ;
; ; ;
; This function resets all ARP variables ;-----------------------------------------------------------------;
; macro arp_init {
;-----------------------------------------------------------------
macro ARP_init {
xor eax, eax xor eax, eax
mov edi, ARP_entries_num mov edi, ARP_entries_num
@ -86,13 +84,12 @@ macro ARP_init {
} }
;--------------------------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; ARP_decrease_entry_ttls ; arp_decrease_entry_ttls ;
; ; ;
;--------------------------------------------------------------------------- ;-----------------------------------------------------------------;
macro arp_decrease_entry_ttls {
macro ARP_decrease_entry_ttls {
local .loop local .loop
local .exit local .exit
@ -135,7 +132,7 @@ local .exit
je .response_timeout je .response_timeout
push esi edi ecx push esi edi ecx
call ARP_del_entry call arp_del_entry
pop ecx edi esi pop ecx edi esi
jmp .next jmp .next
@ -154,20 +151,21 @@ local .exit
} }
;----------------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; ARP_input ; arp_input ;
; ; ;
; IN: Pointer to buffer in [esp] ; IN: [esp] = Pointer to buffer ;
; size of buffer in [esp+4] ; [esp+4] = size of buffer ;
; packet size (without ethernet header) in ecx ; ecx = packet size (without ethernet header) ;
; packet ptr in edx ; edx = packet ptr ;
; device ptr in ebx ; ebx = device ptr ;
; OUT: / ; ;
; ; OUT: / ;
;----------------------------------------------------------------- ; ;
;-----------------------------------------------------------------;
align 4 align 4
ARP_input: arp_input:
;----------------------------------------- ;-----------------------------------------
; Check validity and print some debug info ; Check validity and print some debug info
@ -175,7 +173,7 @@ ARP_input:
cmp ecx, sizeof.ARP_header cmp ecx, sizeof.ARP_header
jb .exit jb .exit
call NET_ptr_to_num4 call net_ptr_to_num4
cmp edi, -1 cmp edi, -1
jz .exit jz .exit
@ -294,21 +292,21 @@ ARP_input:
.exit: .exit:
DEBUGF DEBUG_NETWORK_VERBOSE, "ARP_input: exiting\n" DEBUGF DEBUG_NETWORK_VERBOSE, "ARP_input: exiting\n"
call NET_BUFF_free call net_buff_free
ret ret
;--------------------------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; ARP_output_request ; arp_output_request ;
; ; ;
; IN: ebx = device ptr ; IN: ebx = device ptr ;
; eax = IP ; eax = IP ;
; OUT: / ; ;
; scratched: probably everything ; OUT: scratched: probably everything ;
; ; ;
;--------------------------------------------------------------------------- ;-----------------------------------------------------------------;
align 4 align 4
ARP_output_request: arp_output_request:
push eax push eax
@ -318,7 +316,7 @@ ARP_output_request:
mov ax, ETHER_PROTO_ARP mov ax, ETHER_PROTO_ARP
mov ecx, sizeof.ARP_header mov ecx, sizeof.ARP_header
mov edx, ETH_BROADCAST ; broadcast mac mov edx, ETH_BROADCAST ; broadcast mac
call ETH_output call eth_output
jz .exit jz .exit
mov [edi + ARP_header.HardwareType], 0x0100 ; Ethernet mov [edi + ARP_header.HardwareType], 0x0100 ; Ethernet
@ -333,7 +331,7 @@ ARP_output_request:
movsd ; movsd ;
push edi push edi
call NET_ptr_to_num4 call net_ptr_to_num4
inc [ARP_PACKETS_TX + edi] ; assume we will succeed inc [ARP_PACKETS_TX + edi] ; assume we will succeed
lea esi, [IP_LIST + edi] ; SenderIP lea esi, [IP_LIST + edi] ; SenderIP
pop edi pop edi
@ -354,18 +352,22 @@ ARP_output_request:
ret ret
;----------------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; ARP_add_entry (or update) ; arp_add_entry: Add or update an entry in the ARP table. ;
; ; ;
; IN: esi = ptr to entry (can easily be made on the stack) ; IN: esi = ptr to entry (can easily be made on the stack) ;
; edi = device num*4 ; edi = device num*4 ;
; OUT: eax = entry #, -1 on error ; ;
; esi = ptr to newly created entry ; OUT: eax = entry number on success ;
; ; eax = -1 on error ;
;----------------------------------------------------------------- ; TODO: use a mutex ; esi = ptr to newly created entry ;
; ;
;-----------------------------------------------------------------;
align 4 align 4
ARP_add_entry: arp_add_entry:
; TODO: use a mutex to lock ARP table
DEBUGF DEBUG_NETWORK_VERBOSE, "ARP_add_entry: device=%u\n", edi DEBUGF DEBUG_NETWORK_VERBOSE, "ARP_add_entry: device=%u\n", edi
@ -421,19 +423,22 @@ ARP_add_entry:
ret ret
;----------------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; ARP_del_entry ; arp_del_entry: Remove an entry from the ARP table. ;
; ; ;
; IN: esi = ptr to arp entry ; IN: esi = ptr to arp entry ;
; edi = device number ; edi = device number ;
; OUT: / ; ;
; ; OUT: / ;
;----------------------------------------------------------------- ; ;
;-----------------------------------------------------------------;
align 4 align 4
ARP_del_entry: arp_del_entry:
DEBUGF DEBUG_NETWORK_VERBOSE, "ARP_del_entry: entry=%x entrys=%u\n", esi, [ARP_entries_num + 4*edi] ; TODO: use a mutex to lock ARP table
DEBUGF DEBUG_NETWORK_VERBOSE, "ARP_del_entry: entry=0x%x entrys=%u\n", esi, [ARP_entries_num + 4*edi]
DEBUGF DEBUG_NETWORK_VERBOSE, "ARP_del_entry: IP=%u.%u.%u.%u\n", \ DEBUGF DEBUG_NETWORK_VERBOSE, "ARP_del_entry: IP=%u.%u.%u.%u\n", \
[esi + ARP_entry.IP]:1, [esi + ARP_entry.IP + 1]:1, [esi + ARP_entry.IP + 2]:1, [esi + ARP_entry.IP + 3]:1 [esi + ARP_entry.IP]:1, [esi + ARP_entry.IP + 1]:1, [esi + ARP_entry.IP + 2]:1, [esi + ARP_entry.IP + 3]:1
@ -463,22 +468,22 @@ ARP_del_entry:
;----------------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; ARP_IP_to_MAC ; arp_ip_to_mac: Translate an IP address to a MAC address. ;
; ; ;
; This function translates an IP address to a MAC address ; IN: eax = IPv4 address ;
; ; edi = device number * 4 ;
; IN: eax = IPv4 address ; ;
; edi = device number * 4 ; OUT: eax = -1 on error ;
; OUT: eax = -1 on error, -2 means request send ; eax = -2 when request send ;
; else, ax = first two bytes of mac (high 16 bits of eax will be 0) ; eax = first two bytes of mac on success ;
; ebx = last four bytes of mac ; ebx = last four bytes of mac on success ;
; edi = unchanged ; edi = unchanged ;
; ; ;
;----------------------------------------------------------------- ;-----------------------------------------------------------------;
align 4 align 4
ARP_IP_to_MAC: arp_ip_to_mac:
DEBUGF DEBUG_NETWORK_VERBOSE, "ARP_IP_to_MAC: %u.%u", al, ah DEBUGF DEBUG_NETWORK_VERBOSE, "ARP_IP_to_MAC: %u.%u", al, ah
rol eax, 16 rol eax, 16
@ -513,11 +518,11 @@ ARP_IP_to_MAC:
pushw ARP_AWAITING_RESPONSE ; status pushw ARP_AWAITING_RESPONSE ; status
pushd 0 ; mac pushd 0 ; mac
pushw 0 pushw 0
pushd eax ; ip pushd eax ; IP
mov esi, esp mov esi, esp
; Add it to the list ; Add it to the list
call ARP_add_entry call arp_add_entry
; Delete the temporary entry ; Delete the temporary entry
add esp, sizeof.ARP_entry ; clear the entry from stack add esp, sizeof.ARP_entry ; clear the entry from stack
@ -534,7 +539,7 @@ ARP_IP_to_MAC:
push esi edi push esi edi
mov ebx, [NET_DRV_LIST + edi] mov ebx, [NET_DRV_LIST + edi]
call ARP_output_request call arp_output_request
pop edi esi pop edi esi
.found_it: .found_it:
cmp [esi + ARP_entry.Status], ARP_VALID_MAPPING ; Does it have a MAC assigned? cmp [esi + ARP_entry.Status], ARP_VALID_MAPPING ; Does it have a MAC assigned?
@ -576,21 +581,19 @@ end if
ret ret
;----------------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; ARP_API ; arp_api: Part of system function 76. ;
; ; ;
; This function is called by system function 76 ; IN: bl = subfunction number ;
; ; bh = device number ;
; IN: subfunction number in bl ; ecx, edx, .. depends on subfunction ;
; device number in bh ; ;
; ecx, edx, .. depends on subfunction ; OUT: depends on subfunction ;
; ; ;
; OUT: ? ;-----------------------------------------------------------------;
;
;-----------------------------------------------------------------
align 4 align 4
ARP_api: arp_api:
movzx eax, bh movzx eax, bh
shl eax, 2 shl eax, 2
@ -650,7 +653,7 @@ ARP_api:
.write: .write:
; esi = pointer to buffer ; esi = pointer to buffer
mov edi, eax mov edi, eax
call ARP_add_entry ; out: eax = entry number, -1 on error call arp_add_entry ; out: eax = entry number, -1 on error
ret ret
.remove: .remove:
@ -661,12 +664,12 @@ ARP_api:
lea esi, [ARP_table + ecx] lea esi, [ARP_table + ecx]
mov edi, eax mov edi, eax
shr edi, 2 shr edi, 2
call ARP_del_entry call arp_del_entry
ret ret
.send_announce: .send_announce:
mov ebx, [NET_DRV_LIST + eax] mov ebx, [NET_DRV_LIST + eax]
mov eax, [IP_LIST + eax] mov eax, [IP_LIST + eax]
call ARP_output_request ; now send a gratuitous ARP call arp_output_request ; now send a gratuitous ARP
ret ret

316
kernel/trunk/network/IPv4.inc
View File

@ -92,14 +92,12 @@ align 4
endg endg
;----------------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; IPv4_init ; ipv4_init: Resets all IPv4 variables ;
; ; ;
; This function resets all IP variables ;-----------------------------------------------------------------;
; macro ipv4_init {
;-----------------------------------------------------------------
macro IPv4_init {
xor eax, eax xor eax, eax
mov edi, IP_LIST mov edi, IP_LIST
@ -109,12 +107,12 @@ macro IPv4_init {
} }
;----------------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; Decrease TimeToLive of all fragment slots ; Decrease TimeToLive of all fragment slots ;
; ; ;
;----------------------------------------------------------------- ;-----------------------------------------------------------------;
macro IPv4_decrease_fragment_ttls { macro ipv4_decrease_fragment_ttls {
local .loop, .next local .loop, .next
@ -141,7 +139,7 @@ local .loop, .next
macro IPv4_checksum ptr { macro ipv4_checksum ptr {
; This is the fast procedure to create or check an IP header without options ; This is the fast procedure to create or check an IP header without options
; To create a new checksum, the checksum field must be set to 0 before computation ; To create a new checksum, the checksum field must be set to 0 before computation
@ -205,24 +203,22 @@ macro IPv4_checksum ptr {
;----------------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; IPv4_input: ; ipv4_input: Check if IPv4 Packet isnt damaged and call ;
; ; appropriate handler. (TCP/UDP/ICMP/..) ;
; Will check if IPv4 Packet isnt damaged ; We will also re-construct fragmented packets. ;
; and call appropriate handler. (TCP/UDP/ICMP/..) ; ;
; ; IN: Pointer to buffer in [esp] ;
; It will also re-construct fragmented packets ; pointer to device struct in ebx ;
; ; pointer to IPv4 header in edx ;
; IN: Pointer to buffer in [esp] ; size of IPv4 packet in ecx ;
; pointer to device struct in ebx ; ;
; pointer to IPv4 header in edx ; OUT: / ;
; size of IPv4 packet in ecx ; ;
; OUT: / ;-----------------------------------------------------------------;
;
;-----------------------------------------------------------------
align 4 align 4
IPv4_input: ipv4_input:
DEBUGF DEBUG_NETWORK_VERBOSE, "IPv4_input: packet from %u.%u.%u.%u ",\ DEBUGF DEBUG_NETWORK_VERBOSE, "IPv4_input: packet from %u.%u.%u.%u ",\
[edx + IPv4_header.SourceAddress + 0]:1,[edx + IPv4_header.SourceAddress + 1]:1,\ [edx + IPv4_header.SourceAddress + 0]:1,[edx + IPv4_header.SourceAddress + 1]:1,\
@ -231,14 +227,14 @@ IPv4_input:
[edx + IPv4_header.DestinationAddress + 0]:1,[edx + IPv4_header.DestinationAddress + 1]:1,\ [edx + IPv4_header.DestinationAddress + 0]:1,[edx + IPv4_header.DestinationAddress + 1]:1,\
[edx + IPv4_header.DestinationAddress + 2]:1,[edx + IPv4_header.DestinationAddress + 3]:1 [edx + IPv4_header.DestinationAddress + 2]:1,[edx + IPv4_header.DestinationAddress + 3]:1
call NET_ptr_to_num4 call net_ptr_to_num4
cmp edi, -1 cmp edi, -1
je .invalid_device je .invalid_device
;------------------------------- ;-------------------------------
; re-calculate the checksum ; re-calculate the checksum
IPv4_checksum edx ipv4_checksum edx
jnz .dump ; if checksum isn't valid then dump packet jnz .dump ; if checksum isn't valid then dump packet
DEBUGF DEBUG_NETWORK_VERBOSE, "IPv4_input: Checksum ok\n" DEBUGF DEBUG_NETWORK_VERBOSE, "IPv4_input: Checksum ok\n"
@ -304,13 +300,13 @@ IPv4_input:
add esi, edx ; make esi ptr to data add esi, edx ; make esi ptr to data
cmp al, IP_PROTO_TCP cmp al, IP_PROTO_TCP
je TCP_input je tcp_input
cmp al, IP_PROTO_UDP cmp al, IP_PROTO_UDP
je UDP_input je udp_input
cmp al, IP_PROTO_ICMP cmp al, IP_PROTO_ICMP
je ICMP_input je icmp_input
;------------------------------- ;-------------------------------
; Look for a matching RAW socket ; Look for a matching RAW socket
@ -347,7 +343,7 @@ IPv4_input:
call mutex_lock call mutex_lock
popa popa
jmp SOCKET_input jmp socket_input
.dump_unlock: .dump_unlock:
@ -361,12 +357,12 @@ IPv4_input:
.dump: .dump:
DEBUGF DEBUG_NETWORK_VERBOSE, "IPv4_input: dumping\n" DEBUGF DEBUG_NETWORK_VERBOSE, "IPv4_input: dumping\n"
inc [IPv4_packets_dumped + edi] inc [IPv4_packets_dumped + edi]
call NET_BUFF_free call net_buff_free
ret ret
.invalid_device: .invalid_device:
DEBUGF DEBUG_NETWORK_ERROR, "IPv4_input: packet originated from invalid device\n" DEBUGF DEBUG_NETWORK_ERROR, "IPv4_input: packet originated from invalid device\n"
call NET_BUFF_free call net_buff_free
ret ret
@ -390,7 +386,7 @@ IPv4_input:
DEBUGF DEBUG_NETWORK_VERBOSE, "IPv4_input: Middle fragment packet received!\n" DEBUGF DEBUG_NETWORK_VERBOSE, "IPv4_input: Middle fragment packet received!\n"
call IPv4_find_fragment_slot call ipv4_find_fragment_slot
cmp esi, -1 cmp esi, -1
je .dump je .dump
@ -455,7 +451,7 @@ IPv4_input:
.is_last_fragment: .is_last_fragment:
DEBUGF DEBUG_NETWORK_VERBOSE, "IPv4_input: Last fragment packet received!\n" DEBUGF DEBUG_NETWORK_VERBOSE, "IPv4_input: Last fragment packet received!\n"
call IPv4_find_fragment_slot call ipv4_find_fragment_slot
cmp esi, -1 cmp esi, -1
je .dump je .dump
@ -546,7 +542,7 @@ IPv4_input:
push [edx + IPv4_FRAGMENT_entry.NextPtr] ; Set edx to the next pointer push [edx + IPv4_FRAGMENT_entry.NextPtr] ; Set edx to the next pointer
push edx ; Push pointer to fragment onto stack push edx ; Push pointer to fragment onto stack
DEBUGF DEBUG_NETWORK_VERBOSE, "IPv4_input: Next Fragment: 0x%x\n", edx DEBUGF DEBUG_NETWORK_VERBOSE, "IPv4_input: Next Fragment: 0x%x\n", edx
call NET_BUFF_free ; free the previous fragment buffer (this uses the value from stack) call net_buff_free ; free the previous fragment buffer (this uses the value from stack)
pop edx ebx eax pop edx ebx eax
cmp edx, -1 ; Check if it is last fragment in chain cmp edx, -1 ; Check if it is last fragment in chain
jne .rebuild_packet_loop jne .rebuild_packet_loop
@ -571,16 +567,17 @@ IPv4_input:
;----------------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; find fragment slot ; ipv4_find_fragment_slot ;
; ; ;
; IN: pointer to fragmented packet in edx ; IN: pointer to fragmented packet in edx ;
; OUT: pointer to slot in esi, -1 on error ; ;
; ; OUT: pointer to slot in esi, -1 on error ;
;----------------------------------------------------------------- ; ;
;-----------------------------------------------------------------;
align 4 align 4
IPv4_find_fragment_slot: ipv4_find_fragment_slot:
;;; TODO: the RFC says we should check protocol number too ;;; TODO: the RFC says we should check protocol number too
@ -607,26 +604,27 @@ IPv4_find_fragment_slot:
ret ret
;------------------------------------------------------------------ ;------------------------------------------------------------------;
; ; ;
; IPv4_output ; ipv4_output ;
; ; ;
; IN: al = protocol ; IN: al = protocol ;
; ah = TTL ; ah = TTL ;
; ebx = device ptr (or 0 to let IP layer decide) ; ebx = device ptr (or 0 to let IP layer decide) ;
; ecx = data length ; ecx = data length ;
; edx = Source IP ; edx = Source IP ;
; edi = Destination IP ; edi = Destination IP ;
; ; ;
; OUT: eax = pointer to buffer start / 0 on error ; OUT: eax = pointer to buffer start ;
; ebx = device ptr (send packet through this device) ; eax = 0 on error ;
; ecx = data length ; ebx = device ptr (send packet through this device) ;
; edx = size of complete frame ; ecx = data length ;
; edi = start of IPv4 payload ; edx = size of complete frame ;
; ; edi = start of IPv4 payload ;
;------------------------------------------------------------------ ; ;
;------------------------------------------------------------------;
align 4 align 4
IPv4_output: ipv4_output:
DEBUGF DEBUG_NETWORK_VERBOSE, "IPv4_output: size=%u ip=0x%x\n", ecx, eax DEBUGF DEBUG_NETWORK_VERBOSE, "IPv4_output: size=%u ip=0x%x\n", ecx, eax
@ -635,12 +633,12 @@ IPv4_output:
push ecx ax edi push ecx ax edi
mov eax, edi mov eax, edi
call IPv4_route ; outputs device number in edi, dest ip in eax, source IP in edx call ipv4_route ; outputs device number in edi, dest ip in eax, source IP in edx
push edx push edx
test edi, edi test edi, edi
jz .loopback jz .loopback
call ARP_IP_to_MAC call arp_ip_to_mac
test eax, 0xffff0000 ; error bits test eax, 0xffff0000 ; error bits
jnz .arp_error jnz .arp_error
push ebx ; push the mac onto the stack push ebx ; push the mac onto the stack
@ -653,7 +651,7 @@ IPv4_output:
mov ecx, [esp + 6 + 8 + 2] mov ecx, [esp + 6 + 8 + 2]
add ecx, sizeof.IPv4_header add ecx, sizeof.IPv4_header
mov edx, esp mov edx, esp
call ETH_output call eth_output
jz .eth_error jz .eth_error
add esp, 6 ; pop the mac out of the stack add esp, 6 ; pop the mac out of the stack
@ -674,7 +672,7 @@ IPv4_output:
pop ecx pop ecx
IPv4_checksum edi ipv4_checksum edi
add edi, sizeof.IPv4_header add edi, sizeof.IPv4_header
DEBUGF DEBUG_NETWORK_VERBOSE, "IPv4_output: success!\n" DEBUGF DEBUG_NETWORK_VERBOSE, "IPv4_output: success!\n"
ret ret
@ -704,33 +702,33 @@ IPv4_output:
mov ecx, [esp + 10] mov ecx, [esp + 10]
add ecx, sizeof.IPv4_header add ecx, sizeof.IPv4_header
mov edi, AF_INET4 mov edi, AF_INET4
call LOOP_output call loop_output
jmp .continue jmp .continue
;------------------------------------------------------------------ ;------------------------------------------------------------------;
; ; ;
; IPv4_output_raw ; ipv4_output_raw ;
; ; ;
; IN: eax = socket ptr ; IN: eax = socket ptr ;
; ecx = data length ; ecx = data length ;
; esi = data ptr ; esi = data ptr ;
; ; ;
; OUT: eax = -1 on error ; OUT: eax = -1 on error ;
; ; ;
;------------------------------------------------------------------ ;------------------------------------------------------------------;
align 4 align 4
IPv4_output_raw: ipv4_output_raw:
DEBUGF 1,"IPv4_output_raw: size=%u ptr=%x socket=%x\n", ecx, esi, eax DEBUGF 1,"IPv4_output_raw: size=%u ptr=%x socket=%x\n", ecx, esi, eax
sub esp, 8 sub esp, 8
push esi eax push esi eax
call IPv4_route call ipv4_route
call ARP_IP_to_MAC call arp_ip_to_mac
test eax, 0xffff0000 ; error bits test eax, 0xffff0000 ; error bits
jnz .arp_error jnz .arp_error
@ -744,7 +742,7 @@ IPv4_output_raw:
mov ecx, [esp + 6 + 4] mov ecx, [esp + 6 + 4]
add ecx, sizeof.IPv4_header add ecx, sizeof.IPv4_header
mov edx, esp mov edx, esp
call ETH_output call eth_output
jz .error jz .error
add esp, 6 ; pop the mac add esp, 6 ; pop the mac
@ -772,7 +770,7 @@ IPv4_output_raw:
; [edi + IPv4_header.SourceAddress] ; [edi + IPv4_header.SourceAddress]
; [edi + IPv4_header.DestinationAddress] ; [edi + IPv4_header.DestinationAddress]
IPv4_checksum edi ;;;; todo: checksum for IP packet with options! ipv4_checksum edi ;;;; todo: checksum for IP packet with options!
add edi, sizeof.IPv4_header add edi, sizeof.IPv4_header
DEBUGF DEBUG_NETWORK_VERBOSE, "IPv4_output_raw: device=%x\n", ebx DEBUGF DEBUG_NETWORK_VERBOSE, "IPv4_output_raw: device=%x\n", ebx
call [ebx + NET_DEVICE.transmit] call [ebx + NET_DEVICE.transmit]
@ -791,17 +789,18 @@ IPv4_output_raw:
ret ret
;-------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; ; ipv4_fragment ;
; IN: [esp] = pointer to buffer containing ipv4 packet to be fragmented ; ;
; edi = pointer to ip header in that buffer ; IN: [esp] = ptr to packet buffer to fragment ;
; ebx = device ptr ; edi = ptrr to ip header in that buffer ;
; ; ebx = device ptr ;
; OUT: / ; ;
; ; OUT: / ;
;-------------------------------------------------------- ; ;
proc IPv4_fragment stdcall buffer ;-----------------------------------------------------------------;
proc ipv4_fragment stdcall buffer
locals locals
offset dd ? offset dd ?
@ -910,22 +909,24 @@ endp
;--------------------------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; IPv4_route ; ipv4_route ;
; ; ;
; IN: eax = Destination IP ; IN: eax = Destination IP ;
; ebx = outgoing device / 0 ; ebx = outgoing device / 0 ;
; edx = Source IP ; edx = Source IP ;
; OUT: eax = Destination IP (or gateway IP) ; ;
; edx = Source IP ; OUT: eax = Destination IP (or gateway IP) ;
; edi = device number*4 ; edx = Source IP ;
; DESTROYED: ; edi = device number*4 ;
; ecx ; ;
; ; DESTROYED: ;
;--------------------------------------------------------------------------- ; ecx ;
; ;
;-----------------------------------------------------------------;
align 4 align 4
IPv4_route: ; TODO: return error if no valid route found ipv4_route: ; TODO: return error if no valid route found
test ebx, ebx test ebx, ebx
jnz .got_device jnz .got_device
@ -961,7 +962,7 @@ IPv4_route: ; TODO: return error if no valid route found
.got_device: .got_device:
; Validate device ptr and convert to device number ; Validate device ptr and convert to device number
call NET_ptr_to_num4 call net_ptr_to_num4
cmp edi, -1 cmp edi, -1
je .fail je .fail
@ -982,32 +983,35 @@ IPv4_route: ; TODO: return error if no valid route found
;--------------------------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; IPv4_get_frgmnt_num ; ipv4_get_frgmnt_num ;
; ; ;
; IN: / ; IN: / ;
; OUT: fragment number in ax ; ;
; ; OUT: ax = fragment number ;
;--------------------------------------------------------------------------- ; ;
;-----------------------------------------------------------------;
align 4 align 4
IPv4_get_frgmnt_num: ipv4_get_frgmnt_num:
xor ax, ax ;;; TODO: replace this with real code xor ax, ax ;;; TODO: replace this with real code
ret ret
;----------------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; IPv4_connect ; ipv4_connect ;
; ; ;
; IN: eax = socket pointer ; IN: eax = socket pointer ;
; OUT: eax = 0 ok / -1 error ; ;
; ebx = error code ; OUT: eax = 0 on success ;
; ; eax = -1 on error ;
;------------------------- ; ebx = error code on error ;
; ;
;-----------------------------------------------------------------;
align 4 align 4
IPv4_connect: ipv4_connect:
push eax edx push eax edx
lea ecx, [eax + SOCKET.mutex] lea ecx, [eax + SOCKET.mutex]
@ -1031,21 +1035,19 @@ IPv4_connect:
ret ret
;--------------------------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; IPv4_API ; ipv4_API: Part of system function 76. ;
; ; ;
; This function is called by system function 75 ; IN: bl = subfunction number ;
; ; bh = device number ;
; IN: subfunction number in bl ; ecx, edx, .. depends on subfunction ;
; device number in bh ; ;
; ecx, edx, .. depends on subfunction ; OUT: depends on subfunction ;
; ; ;
; OUT: ;-----------------------------------------------------------------;
;
;---------------------------------------------------------------------------
align 4 align 4
IPv4_api: ipv4_api:
movzx eax, bh movzx eax, bh
shl eax, 2 shl eax, 2
@ -1096,9 +1098,9 @@ IPv4_api:
mov ebx, [NET_DRV_LIST + eax] mov ebx, [NET_DRV_LIST + eax]
mov eax, [IP_LIST + eax] mov eax, [IP_LIST + eax]
call ARP_output_request ; now send a gratuitous ARP call arp_output_request ; now send a gratuitous ARP
call NET_send_event call net_send_event
xor eax, eax xor eax, eax
ret ret
@ -1108,7 +1110,7 @@ IPv4_api:
.write_dns: .write_dns:
mov [DNS_LIST + eax], ecx mov [DNS_LIST + eax], ecx
call NET_send_event call net_send_event
xor eax, eax xor eax, eax
ret ret
@ -1125,7 +1127,7 @@ IPv4_api:
or ecx, ebx or ecx, ebx
mov [BROADCAST_LIST + eax], ecx mov [BROADCAST_LIST + eax], ecx
call NET_send_event call net_send_event
xor eax, eax xor eax, eax
ret ret
@ -1136,6 +1138,6 @@ IPv4_api:
.write_gateway: .write_gateway:
mov [GATEWAY_LIST + eax], ecx mov [GATEWAY_LIST + eax], ecx
call NET_send_event call net_send_event
xor eax, eax xor eax, eax
ret ret

76
kernel/trunk/network/IPv6.inc
View File

@ -45,14 +45,12 @@ align 4
endg endg
;----------------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; IPv6_init ; ipv6_init: Resets all IPv6 variables ;
; ; ;
; This function resets all IP variables ;-----------------------------------------------------------------;
; macro ipv6_init {
;-----------------------------------------------------------------
macro IPv6_init {
xor eax, eax xor eax, eax
mov edi, IPv6 mov edi, IPv6
@ -63,25 +61,23 @@ macro IPv6_init {
;----------------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; IPv6_input: ; ipv6_input: Check if IPv6 Packet isnt damaged and call ;
; ; appropriate handler. (TCP/UDP/ICMP/..) ;
; Will check if IPv6 Packet isnt damaged ; We will also re-construct fragmented packets ;
; and call appropriate handler. (TCP/UDP/ICMP/..) ; ;
; ; IN: [esp] = ptr to buffer ;
; It will also re-construct fragmented packets ; [esp+4] = size of buffer ;
; ; ebx = ptr to device struct ;
; IN: Pointer to buffer in [esp] ; edx = ptr to IPv6 header ;
; size of buffer in [esp+4] ; ecx = size of IPv6 packet ;
; pointer to device struct in ebx ; ;
; pointer to IPv6 header in edx ; OUT: / ;
; size of IPv6 packet in ecx ; ;
; OUT: / ;-----------------------------------------------------------------;
;
;-----------------------------------------------------------------
align 4 align 4
IPv6_input: ipv6_input:
DEBUGF DEBUG_NETWORK_VERBOSE, "IPv6_input from: %x%x:%x%x:%x%x:%x%x:%x%x:%x%x:%x%x:%x%x\n",\ DEBUGF DEBUG_NETWORK_VERBOSE, "IPv6_input from: %x%x:%x%x:%x%x:%x%x:%x%x:%x%x:%x%x:%x%x\n",\
[edx + IPv6_header.SourceAddress + 0]:2,[edx + IPv6_header.SourceAddress + 1]:2,\ [edx + IPv6_header.SourceAddress + 0]:2,[edx + IPv6_header.SourceAddress + 1]:2,\
@ -147,7 +143,7 @@ IPv6_input:
.dump: .dump:
DEBUGF DEBUG_NETWORK_VERBOSE, "IPv6_input - dumping\n" DEBUGF DEBUG_NETWORK_VERBOSE, "IPv6_input - dumping\n"
call NET_BUFF_free call net_buff_free
ret ret
.dump_options: .dump_options:
@ -245,21 +241,19 @@ IPv6_input:
;--------------------------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; IPv6_API ; ipv6_api: Part of system function 76 ;
; ; ;
; This function is called by system function 75 ; IN: bl = subfunction number ;
; ; bh = device number ;
; IN: subfunction number in bl ; ecx, edx, .. depends on subfunction ;
; device number in bh ; ;
; ecx, edx, .. depends on subfunction ; OUT: depends on subfunction ;
; ; ;
; OUT: ;-----------------------------------------------------------------;
;
;---------------------------------------------------------------------------
align 4 align 4
IPv6_api: ipv6_api:
movzx eax, bh movzx eax, bh
shl eax, 2 shl eax, 2

182
kernel/trunk/network/PPPoE.inc
View File

@ -33,37 +33,33 @@ align 4
endg endg
;----------------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; PPPoE_init ; pppoe_init: Reset all pppoe variables ;
; ; ;
; This function resets all IP variables ;-----------------------------------------------------------------;
; macro pppoe_init {
;-----------------------------------------------------------------
macro PPPoE_init {
call PPPoE_stop_connection call pppoe_stop_connection
} }
;----------------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; PPPoE discovery input ; pppoe_discovery_input ;
; ; ;
; Handler of received Ethernet packet with type = Discovery ; IN: [esp] = ptr to buffer ;
; ; [esp+4] = size of buffer ;
; ; ebx = ptr to device struct ;
; IN: Pointer to buffer in [esp] ; ecx = size of PPP packet ;
; size of buffer in [esp+4] ; edx = ptr to PPP header ;
; pointer to device struct in ebx ; ;
; pointer to PPP header in edx ; OUT: / ;
; size of PPP packet in ecx ; ;
; OUT: / ;-----------------------------------------------------------------;
;
;-----------------------------------------------------------------
align 4 align 4
PPPoE_discovery_input: pppoe_discovery_input:
DEBUGF DEBUG_NETWORK_VERBOSE, "PPPoE_discovery_input\n" DEBUGF DEBUG_NETWORK_VERBOSE, "PPPoE_discovery_input\n"
@ -97,7 +93,7 @@ PPPoE_discovery_input:
mov ecx, [esp + 4] mov ecx, [esp + 4]
mov esi, [esp] mov esi, [esp]
jmp SOCKET_input jmp socket_input
.dump: .dump:
pusha pusha
@ -106,22 +102,21 @@ PPPoE_discovery_input:
popa popa
DEBUGF DEBUG_NETWORK_VERBOSE, 'PPPoE_discovery_input: dumping\n' DEBUGF DEBUG_NETWORK_VERBOSE, 'PPPoE_discovery_input: dumping\n'
call NET_BUFF_free call net_buff_free
ret ret
;-------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; Send discovery packet ; pppoe_discovery_output ;
; ; ;
; IN: eax = socket pointer ; IN: eax = socket pointer ;
; ecx = number of bytes to send ; ecx = number of bytes to send ;
; esi = pointer to data ; esi = pointer to data ;
; ; ;
;-------------------------------------- ;-----------------------------------------------------------------;
align 4 align 4
PPPoE_discovery_output: pppoe_discovery_output:
DEBUGF DEBUG_NETWORK_VERBOSE, "PPPoE_discovery_output: socket=%x buffer=%x size=%d\n", eax, esi, ecx DEBUGF DEBUG_NETWORK_VERBOSE, "PPPoE_discovery_output: socket=%x buffer=%x size=%d\n", eax, esi, ecx
@ -147,7 +142,7 @@ PPPoE_discovery_output:
; Create packet. ; Create packet.
push ecx esi push ecx esi
stdcall kernel_alloc, 1500 ;;;; FIXME stdcall kernel_alloc, 1500
pop esi ecx pop esi ecx
test eax, eax test eax, eax
jz .bad jz .bad
@ -185,23 +180,21 @@ PPPoE_discovery_output:
ret ret
;----------------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; PPPoE session input ; pppoe_session_input ;
; ; ;
; Handler of received Ethernet packet with type = Session ; IN: [esp] = ptr to buffer ;
; ; [esp+4] = size of buffer ;
; ; ebx = ptr to device struct ;
; IN: Pointer to buffer in [esp] ; edx = ptr to PPP header ;
; size of buffer in [esp+4] ; ecx = size of PPP packet ;
; pointer to device struct in ebx ; ;
; pointer to PPP header in edx ; OUT: / ;
; size of PPP packet in ecx ; ;
; OUT: / ;-----------------------------------------------------------------;
;
;-----------------------------------------------------------------
align 4 align 4
PPPoE_session_input: pppoe_session_input:
cmp [edx + PPPoE_frame.VersionAndType], 0x11 cmp [edx + PPPoE_frame.VersionAndType], 0x11
jne .dump jne .dump
@ -221,38 +214,39 @@ PPPoE_session_input:
add edx, PPPoE_frame.Payload + 2 add edx, PPPoE_frame.Payload + 2
cmp ax, PPP_PROTO_IPv4 cmp ax, PPP_PROTO_IPv4
je IPv4_input je ipv4_input
; cmp ax, PPP_PROTO_IPv6 ; cmp ax, PPP_PROTO_IPv6
; je IPv6_input ; je ipv6_input
jmp PPPoE_discovery_input ; Send LCP,CHAP,CBCP,... packets to the PPP dialer jmp pppoe_discovery_input ; Send LCP,CHAP,CBCP,... packets to the PPP dialer
DEBUGF DEBUG_NETWORK_VERBOSE, "PPPoE_input: Unknown protocol=%x\n", ax DEBUGF DEBUG_NETWORK_VERBOSE, "PPPoE_input: Unknown protocol=%x\n", ax
.dump: .dump:
DEBUGF DEBUG_NETWORK_VERBOSE, "PPPoE_input: dumping\n" DEBUGF DEBUG_NETWORK_VERBOSE, "PPPoE_input: dumping\n"
call NET_BUFF_free call net_buff_free
ret ret
;----------------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; PPPoE_output ; pppoe_output ;
; ; ;
; IN: ax = protocol ; IN: ax = protocol ;
; ebx = device ptr ; ebx = device ptr ;
; ecx = packet size ; ecx = packet size ;
; ; ;
; OUT: eax = buffer start / 0 on error ; OUT: eax = buffer start ;
; ebx = device ptr ; eax = 0 on error ;
; ecx = packet size ; ebx = device ptr ;
; edx = size of complete buffer ; ecx = packet size ;
; edi = start of PPP payload ; edx = size of complete buffer ;
; ; edi = start of PPP payload ;
;----------------------------------------------------------------- ; ;
;-----------------------------------------------------------------;
align 4 align 4
PPPoE_output: pppoe_output:
DEBUGF DEBUG_NETWORK_VERBOSE, "PPPoE_output: size=%u device=%x\n", ecx, ebx DEBUGF DEBUG_NETWORK_VERBOSE, "PPPoE_output: size=%u device=%x\n", ecx, ebx
@ -262,7 +256,7 @@ PPPoE_output:
mov ax, ETHER_PROTO_PPP_SESSION mov ax, ETHER_PROTO_PPP_SESSION
add ecx, PPPoE_frame.Payload + 2 add ecx, PPPoE_frame.Payload + 2
lea edx, [PPPoE_MAC] lea edx, [PPPoE_MAC]
call ETH_output call eth_output
jz .eth_error jz .eth_error
sub ecx, PPPoE_frame.Payload sub ecx, PPPoE_frame.Payload
@ -287,8 +281,8 @@ PPPoE_output:
xor eax, eax xor eax, eax
ret ret
align 4
PPPoE_start_connection: pppoe_start_connection:
DEBUGF DEBUG_NETWORK_VERBOSE, "PPPoE_start_connection: %x\n", cx DEBUGF DEBUG_NETWORK_VERBOSE, "PPPoE_start_connection: %x\n", cx
@ -308,7 +302,7 @@ PPPoE_start_connection:
align 4 align 4
PPPoE_stop_connection: pppoe_stop_connection:
DEBUGF DEBUG_NETWORK_VERBOSE, "PPPoE_stop_connection\n" DEBUGF DEBUG_NETWORK_VERBOSE, "PPPoE_stop_connection\n"
@ -320,21 +314,19 @@ PPPoE_stop_connection:
ret ret
;--------------------------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; PPPoE API ; pppoe_api: Part of system function 76 ;
; ; ;
; This function is called by system function 75 ; IN: subfunction number in bl ;
; ; device number in bh ;
; IN: subfunction number in bl ; ecx, edx, .. depends on subfunction ;
; device number in bh ; ;
; ecx, edx, .. depends on subfunction ; OUT: ;
; ; ;
; OUT: ;-----------------------------------------------------------------;
;
;---------------------------------------------------------------------------
align 4 align 4
PPPoE_api: pppoe_api:
movzx eax, bh movzx eax, bh
shl eax, 2 shl eax, 2
@ -345,8 +337,8 @@ PPPoE_api:
jmp dword [.table + 4*ebx] jmp dword [.table + 4*ebx]
.table: .table:
dd PPPoE_start_connection ; 0 dd pppoe_start_connection ; 0
dd PPPoE_stop_connection ; 1 dd pppoe_stop_connection ; 1
.number = ($ - .table) / 4 - 1 .number = ($ - .table) / 4 - 1
.error: .error:

116
kernel/trunk/network/ethernet.inc
View File

@ -50,10 +50,10 @@ align 4
ETH_input_event dd ? ETH_input_event dd ?
endg endg
macro ETH_init { macro eth_init {
movi ebx, 1 movi ebx, 1
mov ecx, ETH_process_input mov ecx, eth_process_input
call new_sys_threads call new_sys_threads
test eax, eax test eax, eax
jns @f jns @f
@ -62,20 +62,18 @@ macro ETH_init {
} }
;----------------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; ETH_input ; eth_input: This function is called by ethernet drivers. ;
; ; Push the received ethernet packet onto the ethernet input queue.;
; This function is called by ethernet drivers, ; ;
; It pushes the received ethernet packets onto the ethernet input queue ; IN: [esp] = Pointer to buffer ;
; ; ;
; IN: [esp] = Pointer to buffer ; OUT: / ;
; ; ;
; OUT: / ;-----------------------------------------------------------------;
;
;-----------------------------------------------------------------
align 4 align 4
ETH_input: eth_input:
pop eax pop eax
pushf pushf
@ -109,14 +107,22 @@ ETH_input:
DEBUGF DEBUG_NETWORK_ERROR, "ETH incoming queue is full, discarding packet!\n" DEBUGF DEBUG_NETWORK_ERROR, "ETH incoming queue is full, discarding packet!\n"
popf popf
push eax push eax
call NET_BUFF_free call net_buff_free
ret ret
;-----------------------------------------------------------------;
; ;
; eth_process_input: Process packets from ethernet input queue. ;
; ;
; IN: / ;
; ;
; OUT: / ;
; ;
;-----------------------------------------------------------------;
align 4 align 4
ETH_process_input: eth_process_input:
xor esi, esi xor esi, esi
mov ecx, MANUAL_DESTROY mov ecx, MANUAL_DESTROY
@ -163,44 +169,46 @@ ETH_process_input:
; Place protocol handlers here ; Place protocol handlers here
cmp ax, ETHER_PROTO_IPv4 cmp ax, ETHER_PROTO_IPv4
je IPv4_input je ipv4_input
cmp ax, ETHER_PROTO_ARP cmp ax, ETHER_PROTO_ARP
je ARP_input je arp_input
; cmp ax, ETHER_PROTO_IPv6 ; cmp ax, ETHER_PROTO_IPv6
; je IPv6_input ; je ipv6_input
; cmp ax, ETHER_PROTO_PPP_DISCOVERY ; cmp ax, ETHER_PROTO_PPP_DISCOVERY
; je PPPoE_discovery_input ; je pppoe_discovery_input
; cmp ax, ETHER_PROTO_PPP_SESSION ; cmp ax, ETHER_PROTO_PPP_SESSION
; je PPPoE_session_input ; je pppoe_session_input
DEBUGF DEBUG_NETWORK_VERBOSE, "ETH_input: Unknown packet type=%x\n", ax DEBUGF DEBUG_NETWORK_VERBOSE, "ETH_input: Unknown packet type=%x\n", ax
.dump: .dump:
DEBUGF DEBUG_NETWORK_VERBOSE, "ETH_input: dumping\n" DEBUGF DEBUG_NETWORK_VERBOSE, "ETH_input: dumping\n"
call NET_BUFF_free call net_buff_free
ret ret
;-----------------------------------------------------------------
;
; ETH_output ;-----------------------------------------------------------------;
; ; ;
; IN: ax = protocol ; eth_output ;
; ebx = device ptr ; ;
; ecx = payload size ; IN: ax = protocol ;
; edx = pointer to destination mac ; ebx = device ptr ;
; ; ecx = payload size ;
; OUT: eax = start of net frame / 0 on error ; edx = pointer to destination mac ;
; ebx = device ptr ; ;
; ecx = payload size ; OUT: eax = start of net frame / 0 on error ;
; edi = start of payload ; ebx = device ptr ;
; ; ecx = payload size ;
;----------------------------------------------------------------- ; edi = start of payload ;
; ;
;-----------------------------------------------------------------;
align 4 align 4
ETH_output: eth_output:
DEBUGF DEBUG_NETWORK_VERBOSE, "ETH_output: size=%u device=%x\n", ecx, ebx DEBUGF DEBUG_NETWORK_VERBOSE, "ETH_output: size=%u device=%x\n", ecx, ebx
@ -211,7 +219,7 @@ ETH_output:
push ax edx push ax edx
add ecx, sizeof.ETH_header + NET_BUFF.data add ecx, sizeof.ETH_header + NET_BUFF.data
stdcall NET_BUFF_alloc, ecx stdcall net_buff_alloc, ecx
test eax, eax test eax, eax
jz .out_of_ram jz .out_of_ram
mov [eax + NET_BUFF.type], NET_BUFF_ETH mov [eax + NET_BUFF.type], NET_BUFF_ETH
@ -257,21 +265,19 @@ ETH_output:
;----------------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; ETH_API ; eth_api: Part of system function 76. ;
; ; ;
; This function is called by system function 76 ; IN: bl = subfunction number ;
; ; bh = device number ;
; IN: subfunction number in bl ; ecx, edx, .. depends on subfunction ;
; device number in bh ; ;
; ecx, edx, .. depends on subfunction ; OUT: depends on subfunction ;
; ; ;
; OUT: ;-----------------------------------------------------------------;
;
;-----------------------------------------------------------------
align 4 align 4
ETH_api: eth_api:
cmp bh, NET_DEVICES_MAX cmp bh, NET_DEVICES_MAX
ja .error ja .error

239
kernel/trunk/network/icmp.inc
View File

@ -20,70 +20,69 @@ $Revision$
; ICMP types & codes ; ICMP types & codes
ICMP_ECHOREPLY = 0 ; echo reply message ICMP_ECHOREPLY = 0 ; echo reply message
ICMP_UNREACH = 3 ICMP_UNREACH = 3
ICMP_UNREACH_NET = 0 ; bad net ICMP_UNREACH_NET = 0 ; bad net
ICMP_UNREACH_HOST = 1 ; bad host ICMP_UNREACH_HOST = 1 ; bad host
ICMP_UNREACH_PROTOCOL = 2 ; bad protocol ICMP_UNREACH_PROTOCOL = 2 ; bad protocol
ICMP_UNREACH_PORT = 3 ; bad port ICMP_UNREACH_PORT = 3 ; bad port
ICMP_UNREACH_NEEDFRAG = 4 ; IP_DF caused drop ICMP_UNREACH_NEEDFRAG = 4 ; IP_DF caused drop
ICMP_UNREACH_SRCFAIL = 5 ; src route failed ICMP_UNREACH_SRCFAIL = 5 ; src route failed
ICMP_UNREACH_NET_UNKNOWN = 6 ; unknown net ICMP_UNREACH_NET_UNKNOWN = 6 ; unknown net
ICMP_UNREACH_HOST_UNKNOWN = 7 ; unknown host ICMP_UNREACH_HOST_UNKNOWN = 7 ; unknown host
ICMP_UNREACH_ISOLATED = 8 ; src host isolated ICMP_UNREACH_ISOLATED = 8 ; src host isolated
ICMP_UNREACH_NET_PROHIB = 9 ; prohibited access ICMP_UNREACH_NET_PROHIB = 9 ; prohibited access
ICMP_UNREACH_HOST_PROHIB = 10 ; ditto ICMP_UNREACH_HOST_PROHIB = 10 ; ditto
ICMP_UNREACH_TOSNET = 11 ; bad tos for net ICMP_UNREACH_TOSNET = 11 ; bad tos for net
ICMP_UNREACH_TOSHOST = 12 ; bad tos for host ICMP_UNREACH_TOSHOST = 12 ; bad tos for host
ICMP_UNREACH_FILTER_PROHIB = 13 ; admin prohib ICMP_UNREACH_FILTER_PROHIB = 13 ; admin prohib
ICMP_UNREACH_HOST_PRECEDENCE = 14 ; host prec vio. ICMP_UNREACH_HOST_PRECEDENCE = 14 ; host prec vio.
ICMP_UNREACH_PRECEDENCE_CUTOFF = 15 ; prec cutoff ICMP_UNREACH_PRECEDENCE_CUTOFF = 15 ; prec cutoff
ICMP_SOURCEQUENCH = 4 ; Packet lost, slow down ICMP_SOURCEQUENCH = 4 ; Packet lost, slow down
ICMP_REDIRECT = 5 ; shorter route, codes: ICMP_REDIRECT = 5 ; shorter route, codes:
ICMP_REDIRECT_NET = 0 ; for network ICMP_REDIRECT_NET = 0 ; for network
ICMP_REDIRECT_HOST = 1 ; for host ICMP_REDIRECT_HOST = 1 ; for host
ICMP_REDIRECT_TOSNET = 2 ; for tos and net ICMP_REDIRECT_TOSNET = 2 ; for tos and net
ICMP_REDIRECT_TOSHOST = 3 ; for tos and host ICMP_REDIRECT_TOSHOST = 3 ; for tos and host
ICMP_ALTHOSTADDR = 6 ; alternate host address ICMP_ALTHOSTADDR = 6 ; alternate host address
ICMP_ECHO = 8 ; echo service ICMP_ECHO = 8 ; echo service
ICMP_ROUTERADVERT = 9 ; router advertisement ICMP_ROUTERADVERT = 9 ; router advertisement
ICMP_ROUTERADVERT_NORMAL = 0 ; normal advertisement ICMP_ROUTERADVERT_NORMAL = 0 ; normal advertisement
ICMP_ROUTERADVERT_NOROUTE_COMMON= 16 ; selective routing ICMP_ROUTERADVERT_NOROUTE_COMMON= 16 ; selective routing
ICMP_ROUTERSOLICIT = 10 ; router solicitation ICMP_ROUTERSOLICIT = 10 ; router solicitation
ICMP_TIMXCEED = 11 ; time exceeded, code: ICMP_TIMXCEED = 11 ; time exceeded, code:
ICMP_TIMXCEED_INTRANS = 0 ; ttl==0 in transit ICMP_TIMXCEED_INTRANS = 0 ; ttl==0 in transit
ICMP_TIMXCEED_REASS = 1 ; ttl==0 in reass ICMP_TIMXCEED_REASS = 1 ; ttl==0 in reass
ICMP_PARAMPROB = 12 ; ip header bad ICMP_PARAMPROB = 12 ; ip header bad
ICMP_PARAMPROB_ERRATPTR = 0 ; error at param ptr ICMP_PARAMPROB_ERRATPTR = 0 ; error at param ptr
ICMP_PARAMPROB_OPTABSENT = 1 ; req. opt. absent ICMP_PARAMPROB_OPTABSENT = 1 ; req. opt. absent
ICMP_PARAMPROB_LENGTH = 2 ; bad length ICMP_PARAMPROB_LENGTH = 2 ; bad length
ICMP_TSTAMP = 13 ; timestamp request ICMP_TSTAMP = 13 ; timestamp request
ICMP_TSTAMPREPLY = 14 ; timestamp reply ICMP_TSTAMPREPLY = 14 ; timestamp reply
ICMP_IREQ = 15 ; information request ICMP_IREQ = 15 ; information request
ICMP_IREQREPLY = 16 ; information reply ICMP_IREQREPLY = 16 ; information reply
ICMP_MASKREQ = 17 ; address mask request ICMP_MASKREQ = 17 ; address mask request
ICMP_MASKREPLY = 18 ; address mask reply ICMP_MASKREPLY = 18 ; address mask reply
ICMP_TRACEROUTE = 30 ; traceroute ICMP_TRACEROUTE = 30 ; traceroute
ICMP_DATACONVERR = 31 ; data conversion error ICMP_DATACONVERR = 31 ; data conversion error
ICMP_MOBILE_REDIRECT = 32 ; mobile host redirect ICMP_MOBILE_REDIRECT = 32 ; mobile host redirect
ICMP_IPV6_WHEREAREYOU = 33 ; IPv6 where-are-you ICMP_IPV6_WHEREAREYOU = 33 ; IPv6 where-are-you
ICMP_IPV6_IAMHERE = 34 ; IPv6 i-am-here ICMP_IPV6_IAMHERE = 34 ; IPv6 i-am-here
ICMP_MOBILE_REGREQUEST = 35 ; mobile registration req ICMP_MOBILE_REGREQUEST = 35 ; mobile registration req
ICMP_MOBILE_REGREPLY = 36 ; mobile registreation reply ICMP_MOBILE_REGREPLY = 36 ; mobile registreation reply
ICMP_SKIP = 39 ; SKIP ICMP_SKIP = 39 ; SKIP
ICMP_PHOTURIS = 40 ; Photuris
ICMP_PHOTURIS_UNKNOWN_INDEX = 1 ; unknown sec index
ICMP_PHOTURIS_AUTH_FAILED = 2 ; auth failed
ICMP_PHOTURIS_DECRYPT_FAILED = 3 ; decrypt failed
ICMP_PHOTURIS = 40 ; Photuris
ICMP_PHOTURIS_UNKNOWN_INDEX = 1 ; unknown sec index
ICMP_PHOTURIS_AUTH_FAILED = 2 ; auth failed
ICMP_PHOTURIS_DECRYPT_FAILED = 3 ; decrypt failed
struct ICMP_header struct ICMP_header
@ -107,13 +106,13 @@ endg
;----------------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; ICMP_init ; ICMP_init ;
; ; ;
;----------------------------------------------------------------- ;-----------------------------------------------------------------;
macro ICMP_init { macro icmp_init {
xor eax, eax xor eax, eax
mov edi, ICMP_PACKETS_TX mov edi, ICMP_PACKETS_TX
@ -123,25 +122,23 @@ macro ICMP_init {
} }
;----------------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; ICMP_input: ; icmp_input: Send a reply's to an ICMP echo or insert packets ;
; ; into socket. ;
; This procedure will send reply's to ICMP echo's ; ;
; and insert packets into sockets when needed ; IN: [esp] = ptr to buffer ;
; ; ebx = ptr to device struct ;
; IN: Pointer to buffer in [esp] ; ecx = ICMP Packet size ;
; ebx = pointer to device struct ; edx = ptr to IPv4 header ;
; ecx = ICMP Packet size ; esi = ptr to ICMP Packet data ;
; edx = ptr to IPv4 header ; edi = interface number*4 ;
; esi = ptr to ICMP Packet data ; ;
; edi = interface number*4 ; OUT: / ;
; ; ;
; OUT: / ;-----------------------------------------------------------------;
;
;-----------------------------------------------------------------
align 4 align 4
ICMP_input: icmp_input:
DEBUGF DEBUG_NETWORK_VERBOSE, "ICMP_input\n" DEBUGF DEBUG_NETWORK_VERBOSE, "ICMP_input\n"
@ -204,7 +201,7 @@ ICMP_input:
call mutex_lock call mutex_lock
popa popa
jmp SOCKET_input jmp socket_input
@ -274,7 +271,7 @@ ICMP_input:
test eax, eax test eax, eax
jnz @f jnz @f
DEBUGF DEBUG_NETWORK_VERBOSE, "ICMP transmit failed\n" DEBUGF DEBUG_NETWORK_VERBOSE, "ICMP transmit failed\n"
call NET_ptr_to_num4 call net_ptr_to_num4
inc [ICMP_PACKETS_TX + edi] inc [ICMP_PACKETS_TX + edi]
@@: @@:
ret ret
@ -293,26 +290,26 @@ ICMP_input:
.dump: .dump:
DEBUGF DEBUG_NETWORK_VERBOSE, "ICMP_input: dumping\n" DEBUGF DEBUG_NETWORK_VERBOSE, "ICMP_input: dumping\n"
call NET_BUFF_free call net_buff_free
ret ret
if 0 if 0
;----------------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; ICMP_output ; icmp_output ;
; ; ;
; IN: eax = dest ip ; IN: eax = dest ip ;
; bh = type ; bh = type ;
; bl = code ; bl = code ;
; ecx = data length ; ecx = data length ;
; edx = source ip ; edx = source ip ;
; esi = data offset ; esi = data offset ;
; edi = identifier shl 16 + sequence number ; edi = identifier shl 16 + sequence number ;
; ; ;
;----------------------------------------------------------------- ;-----------------------------------------------------------------;
align 4 align 4
ICMP_output: icmp_output:
DEBUGF DEBUG_NETWORK_VERBOSE, "Creating ICMP Packet\n" DEBUGF DEBUG_NETWORK_VERBOSE, "Creating ICMP Packet\n"
@ -364,17 +361,17 @@ end if
;----------------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; ICMP_output_raw ; icmp_output_raw ;
; ; ;
; IN: eax = socket ptr ; IN: eax = socket ptr ;
; ecx = data length ; ecx = data length ;
; edx = data pointer ; edx = data pointer ;
; ; ;
;----------------------------------------------------------------- ;-----------------------------------------------------------------;
align 4 align 4
ICMP_output_raw: icmp_output_raw:
DEBUGF DEBUG_NETWORK_VERBOSE, "Creating ICMP Packet for socket %x, data ptr=%x\n", eax, edx DEBUGF DEBUG_NETWORK_VERBOSE, "Creating ICMP Packet for socket %x, data ptr=%x\n", eax, edx
@ -384,7 +381,7 @@ ICMP_output_raw:
mov edi, [eax + IP_SOCKET.RemoteIP] mov edi, [eax + IP_SOCKET.RemoteIP]
mov al, [eax + IP_SOCKET.ttl] mov al, [eax + IP_SOCKET.ttl]
mov ah, IP_PROTO_ICMP mov ah, IP_PROTO_ICMP
call IPv4_output call ipv4_output
jz .fail jz .fail
pop esi pop esi
@ -407,7 +404,7 @@ ICMP_output_raw:
call [ebx + NET_DEVICE.transmit] call [ebx + NET_DEVICE.transmit]
test eax, eax test eax, eax
jnz @f jnz @f
call NET_ptr_to_num4 call net_ptr_to_num4
inc [ICMP_PACKETS_TX + edi] inc [ICMP_PACKETS_TX + edi]
@@: @@:
ret ret
@ -422,21 +419,19 @@ ICMP_output_raw:
;----------------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; ICMP_API ; icmp_api: Part of system function 76. ;
; ; ;
; This function is called by system function 75 ; IN: bl = subfunction number ;
; ; bh = device number ;
; IN: subfunction number in bl ; ecx, edx, .. depends on subfunction ;
; device number in bh ; ;
; ecx, edx, .. depends on subfunction ; OUT: depends on subfunction ;
; ; ;
; OUT: ;-----------------------------------------------------------------;
;
;-----------------------------------------------------------------
align 4 align 4
ICMP_api: icmp_api:
movzx eax, bh movzx eax, bh
shl eax, 2 shl eax, 2

20
kernel/trunk/network/loopback.inc
View File

@ -27,7 +27,7 @@ LOOPBACK_DEVICE:
.unload dd .dummy_fn .unload dd .dummy_fn
.reset dd .dummy_fn .reset dd .dummy_fn
.transmit dd LOOP_input .transmit dd loop_input
.bytes_tx dq 0 .bytes_tx dq 0
.bytes_rx dq 0 .bytes_rx dq 0
@ -45,11 +45,11 @@ LOOPBACK_DEVICE:
endg endg
macro LOOP_init { macro loop_init {
local .fail local .fail
mov ebx, LOOPBACK_DEVICE mov ebx, LOOPBACK_DEVICE
call NET_add_device call net_add_device
cmp eax, -1 cmp eax, -1
je .fail je .fail
@ -63,7 +63,7 @@ local .fail
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
; ; ; ;
; LOOP_input ; ; loop_input ;
; ; ; ;
; IN: [esp+4] = Pointer to buffer ; ; IN: [esp+4] = Pointer to buffer ;
; ; ; ;
@ -71,7 +71,7 @@ local .fail
; ; ; ;
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
align 4 align 4
LOOP_input: loop_input:
mov eax, [esp+4] mov eax, [esp+4]
@ -95,19 +95,19 @@ LOOP_input:
; Place protocol handlers here ; Place protocol handlers here
cmp eax, AF_INET4 cmp eax, AF_INET4
je IPv4_input je ipv4_input
DEBUGF DEBUG_NETWORK_VERBOSE, "LOOP_input: Unknown packet type=%x\n", eax DEBUGF DEBUG_NETWORK_VERBOSE, "LOOP_input: Unknown packet type=%x\n", eax
.dump: .dump:
DEBUGF DEBUG_NETWORK_VERBOSE, "LOOP_input: dumping\n" DEBUGF DEBUG_NETWORK_VERBOSE, "LOOP_input: dumping\n"
call NET_BUFF_free call net_buff_free
ret ret
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
; ; ; ;
; LOOP_output ; ; loop_output ;
; ; ; ;
; IN: ecx = packet size ; ; IN: ecx = packet size ;
; edi = address family ; ; edi = address family ;
@ -119,7 +119,7 @@ LOOP_input:
; ; ; ;
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
align 4 align 4
LOOP_output: loop_output:
DEBUGF DEBUG_NETWORK_VERBOSE, "LOOP_output\n" DEBUGF DEBUG_NETWORK_VERBOSE, "LOOP_output\n"
@ -128,7 +128,7 @@ LOOP_output:
push ecx edi push ecx edi
add ecx, NET_BUFF.data add ecx, NET_BUFF.data
stdcall NET_BUFF_alloc, ecx stdcall net_buff_alloc, ecx
test eax, eax test eax, eax
jz .out_of_ram jz .out_of_ram

367
kernel/trunk/network/socket.inc
View File

File diff suppressed because it is too large Load Diff

253
kernel/trunk/network/stack.inc
View File

@ -163,8 +163,8 @@ NET_HWACC_TCP_IPv4_IN = 1 shl 0
NET_HWACC_TCP_IPv4_OUT = 1 shl 1 NET_HWACC_TCP_IPv4_OUT = 1 shl 1
; Network frame types ; Network frame types
NET_BUFF_LOOPBACK = 0 NET_BUFF_LOOPBACK = 0
NET_BUFF_ETH = 1 NET_BUFF_ETH = 1
struct NET_DEVICE struct NET_DEVICE
@ -258,16 +258,14 @@ align 4
endg endg
;----------------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; stack_init ; stack_init: Initialize all network variables ;
; ; ;
; This function calls all network init procedures ; IN: / ;
; ; OUT: / ;
; IN: / ; ;
; OUT: / ;-----------------------------------------------------------------;
;
;-----------------------------------------------------------------
align 4 align 4
stack_init: stack_init:
@ -294,21 +292,21 @@ stack_init:
mov ecx, (NET_DEVICES_MAX + 1) mov ecx, (NET_DEVICES_MAX + 1)
rep stosd rep stosd
ETH_init eth_init
PPPoE_init pppoe_init
IPv4_init ipv4_init
; IPv6_init ; ipv6_init
ICMP_init icmp_init
ARP_init arp_init
UDP_init udp_init
TCP_init tcp_init
SOCKET_init socket_init
LOOP_init loop_init
mov [net_tmr_count], 0 mov [net_tmr_count], 0
ret ret
@ -329,16 +327,14 @@ proc stack_handler_has_work?
endp endp
;----------------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; stack_handler ; stack_handler: Network handlers called from os_loop. ;
; ; ;
; This function is called in kernel loop ; IN: / ;
; ; OUT: / ;
; IN: / ; ;
; OUT: / ;-----------------------------------------------------------------;
;
;-----------------------------------------------------------------
align 4 align 4
stack_handler: stack_handler:
@ -354,13 +350,13 @@ stack_handler:
test [net_10ms], 0x0f ; 160ms test [net_10ms], 0x0f ; 160ms
jnz .exit jnz .exit
TCP_timer_160ms tcp_timer_160ms
test [net_10ms], 0x3f ; 640ms test [net_10ms], 0x3f ; 640ms
jnz .exit jnz .exit
ARP_decrease_entry_ttls arp_decrease_entry_ttls
IPv4_decrease_fragment_ttls ipv4_decrease_fragment_ttls
xor edx, edx xor edx, edx
mov eax, [TCP_timer1_event] mov eax, [TCP_timer1_event]
@ -373,7 +369,8 @@ stack_handler:
align 4 align 4
proc NET_BUFF_alloc stdcall, buffersize proc net_buff_alloc stdcall, buffersize
cmp [buffersize], NET_BUFFER_SIZE cmp [buffersize], NET_BUFFER_SIZE
ja .too_large ja .too_large
@ -387,27 +384,27 @@ proc NET_BUFF_alloc stdcall, buffersize
spin_unlock_irqrestore spin_unlock_irqrestore
DEBUGF DEBUG_NETWORK_VERBOSE, "net alloc: 0x%x\n", eax DEBUGF DEBUG_NETWORK_VERBOSE, "net_buff_alloc: 0x%x\n", eax
ret ret
.out_of_mem: .out_of_mem:
spin_unlock_irqrestore spin_unlock_irqrestore
xor eax, eax xor eax, eax
DEBUGF DEBUG_NETWORK_ERROR, "NET_BUFF_alloc: out of mem!\n" DEBUGF DEBUG_NETWORK_ERROR, "net_buff_alloc: out of mem!\n"
ret ret
.too_large: .too_large:
xor eax, eax xor eax, eax
DEBUGF DEBUG_NETWORK_ERROR, "NET_BUFF_alloc: too large!\n" DEBUGF DEBUG_NETWORK_ERROR, "net_buff_alloc: too large!\n"
ret ret
endp endp
align 4 align 4
proc NET_BUFF_free stdcall, buffer proc net_buff_free stdcall, buffer
DEBUGF DEBUG_NETWORK_VERBOSE, "net free: 0x%x\n", [buffer] DEBUGF DEBUG_NETWORK_VERBOSE, "net_buff_free: 0x%x\n", [buffer]
spin_lock_irqsave spin_lock_irqsave
@ -423,14 +420,14 @@ endp
align 4 align 4
NET_link_changed: net_link_changed:
DEBUGF DEBUG_NETWORK_VERBOSE, "NET_link_changed device=0x%x status=0x%x\n", ebx, [ebx + NET_DEVICE.link_state] DEBUGF DEBUG_NETWORK_VERBOSE, "net_link_changed device=0x%x status=0x%x\n", ebx, [ebx + NET_DEVICE.link_state]
align 4 align 4
NET_send_event: net_send_event:
DEBUGF DEBUG_NETWORK_VERBOSE, "NET_send_event\n" DEBUGF DEBUG_NETWORK_VERBOSE, "net_send_event\n"
; Send event to all applications ; Send event to all applications
push edi ecx push edi ecx
@ -446,21 +443,20 @@ NET_send_event:
;----------------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; NET_add_device: ; net_add_device: Called by network driver to register interface. ;
; ; ;
; This function is called by the network drivers, ; IN: ebx = ptr to device structure ;
; to register each running NIC to the kernel ; ;
; ; OUT: eax = device num on success ;
; IN: Pointer to device structure in ebx ; eax = -1 on error ;
; OUT: Device num in eax, -1 on error ; ;
; ;-----------------------------------------------------------------;
;-----------------------------------------------------------------
align 4 align 4
NET_add_device: net_add_device:
DEBUGF DEBUG_NETWORK_VERBOSE, "NET_Add_Device: %x\n", ebx ;;; TODO: use mutex to lock net device list DEBUGF DEBUG_NETWORK_VERBOSE, "net_add_device: %x\n", ebx ;;; TODO: use mutex to lock net device list
cmp [NET_RUNNING], NET_DEVICES_MAX cmp [NET_RUNNING], NET_DEVICES_MAX
jae .error jae .error
@ -495,7 +491,7 @@ NET_add_device:
inc [NET_RUNNING] ; Indicate that one more network device is up and running inc [NET_RUNNING] ; Indicate that one more network device is up and running
call NET_send_event call net_send_event
DEBUGF DEBUG_NETWORK_VERBOSE, "Device number: %u\n", eax DEBUGF DEBUG_NETWORK_VERBOSE, "Device number: %u\n", eax
ret ret
@ -507,19 +503,17 @@ NET_add_device:
;----------------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; NET_Remove_Device: ; net_remove_device: Called by network driver to unregister dev. ;
; ; ;
; This function is called by network drivers, ; IN: ebx = ptr to device ;
; to unregister network devices from the kernel ; ;
; ; OUT: eax: -1 on error ;
; IN: Pointer to device structure in ebx ; ;
; OUT: eax: -1 on error ;-----------------------------------------------------------------;
;
;-----------------------------------------------------------------
align 4 align 4
NET_remove_device: net_remove_device:
cmp [NET_RUNNING], 0 cmp [NET_RUNNING], 0
je .error je .error
@ -541,7 +535,7 @@ NET_remove_device:
mov dword [edi-4], eax mov dword [edi-4], eax
dec [NET_RUNNING] dec [NET_RUNNING]
call NET_send_event call net_send_event
xor eax, eax xor eax, eax
ret ret
@ -552,25 +546,27 @@ NET_remove_device:
;----------------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; NET_ptr_to_num ; net_ptr_to_num ;
; ; ;
; IN: ebx = ptr to device struct ; IN: ebx = ptr to device struct ;
; OUT: edi = -1 on error, device number otherwise ; ;
; ; OUT: edi = device number ;
;----------------------------------------------------------------- ; edi = -1 on error ;
; ;
;-----------------------------------------------------------------;
align 4 align 4
NET_ptr_to_num: net_ptr_to_num:
call NET_ptr_to_num4 call net_ptr_to_num4
ror edi, 2 ; If -1, stay -1 ror edi, 2 ; If -1, stay -1
; valid device numbers have last two bits 0, so do just shr ; valid device numbers have last two bits 0, so do just shr
ret ret
align 4 align 4
NET_ptr_to_num4: ; Todo, place number in device structure so we only need to verify? net_ptr_to_num4: ; Todo, place number in device structure so we only need to verify?
test ebx, ebx test ebx, ebx
jz .fail jz .fail
@ -595,21 +591,17 @@ NET_ptr_to_num4: ; Todo, place number in device structure so we o
pop ecx pop ecx
ret ret
;----------------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; checksum_1 ; checksum_1: Calculate semi-checksum for network packets. ;
; ; ;
; This is the first of two functions needed to calculate a checksum. ; IN: edx = start offset for semi-checksum ;
; ; esi = pointer to data ;
; IN: edx = start offset for semi-checksum ; ecx = data size ;
; esi = pointer to data ; ;
; ecx = data size ; OUT: edx = semi-checksum ;
; OUT: edx = semi-checksum ; ;
; ;-----------------------------------------------------------------;
;
; Code was optimized by diamond
;
;-----------------------------------------------------------------
align 4 align 4
checksum_1: checksum_1:
@ -679,16 +671,15 @@ checksum_1:
.end: .end:
ret ret
;----------------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; checksum_2 ; checksum_2: Calculate the final ip/tcp/udp checksum. ;
; ; ;
; This function calculates the final ip/tcp/udp checksum for you ; IN: edx = semi-checksum ;
; ; ;
; IN: edx = semi-checksum ; OUT: dx = checksum (in INET byte order) ;
; OUT: dx = checksum (in INET byte order) ; ;
; ;-----------------------------------------------------------------;
;-----------------------------------------------------------------
align 4 align 4
checksum_2: checksum_2:
@ -713,11 +704,11 @@ checksum_2:
;---------------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; System function to work with network devices (74) ; System function 74: Low level access to network devices. ;
; ; ;
;---------------------------------------------------------------- ;-----------------------------------------------------------------;
align 4 align 4
sys_network: sys_network:
@ -736,7 +727,7 @@ sys_network:
and esi, 0x0000ff00 and esi, 0x0000ff00
shr esi, 6 shr esi, 6
cmp dword [esi + NET_DRV_LIST], 0 ; check if driver is running cmp dword[esi + NET_DRV_LIST], 0 ; check if driver is running
je .doesnt_exist je .doesnt_exist
mov eax, [esi + NET_DRV_LIST] mov eax, [esi + NET_DRV_LIST]
@ -809,16 +800,16 @@ sys_network:
ret ret
.bytes_tx: .bytes_tx:
mov ebx, dword [eax + NET_DEVICE.bytes_tx + 4] mov ebx, dword[eax + NET_DEVICE.bytes_tx + 4]
mov [esp+20], ebx mov [esp+20], ebx
mov eax, dword [eax + NET_DEVICE.bytes_tx] mov eax, dword[eax + NET_DEVICE.bytes_tx]
mov [esp+32], eax mov [esp+32], eax
ret ret
.bytes_rx: .bytes_rx:
mov ebx, dword [eax + NET_DEVICE.bytes_rx + 4] mov ebx, dword[eax + NET_DEVICE.bytes_rx + 4]
mov [esp+20], ebx mov [esp+20], ebx
mov eax, dword [eax + NET_DEVICE.bytes_rx] mov eax, dword[eax + NET_DEVICE.bytes_rx]
mov [esp+32], eax mov [esp+32], eax
ret ret
@ -834,11 +825,11 @@ sys_network:
;---------------------------------------------------------------- ;-----------------------------------------------------------------;
; ; ;
; System function to work with protocols (76) ; System function 76: Low level access to protocol handlers. ;
; ; ;
;---------------------------------------------------------------- ;-----------------------------------------------------------------;
align 4 align 4
sys_protocols: sys_protocols:
cmp bh, NET_DEVICES_MAX ; Check if device number exists cmp bh, NET_DEVICES_MAX ; Check if device number exists
@ -856,28 +847,28 @@ sys_protocols:
shr eax, 16 ; shr eax, 16 ;
cmp ax, API_ETH cmp ax, API_ETH
je ETH_api je eth_api
cmp ax, API_IPv4 cmp ax, API_IPv4
je IPv4_api je ipv4_api
cmp ax, API_ICMP cmp ax, API_ICMP
je ICMP_api je icmp_api
cmp ax, API_UDP cmp ax, API_UDP
je UDP_api je udp_api
cmp ax, API_TCP cmp ax, API_TCP
je TCP_api je tcp_api
cmp ax, API_ARP cmp ax, API_ARP
je ARP_api je arp_api
cmp ax, API_PPPOE cmp ax, API_PPPOE
je PPPoE_api je pppoe_api
cmp ax, API_IPv6 cmp ax, API_IPv6
je IPv6_api je ipv6_api
add esp, 4 ; if we reached here, no function was called, so we need to balance stack add esp, 4 ; if we reached here, no function was called, so we need to balance stack

10
kernel/trunk/network/tcp.inc
View File

@ -206,7 +206,7 @@ endg
; TCP_init: Resets all TCP variables. ; ; TCP_init: Resets all TCP variables. ;
; ; ; ;
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
macro TCP_init { macro tcp_init {
xor eax, eax xor eax, eax
mov edi, TCP_segments_tx mov edi, TCP_segments_tx
@ -219,7 +219,7 @@ macro TCP_init {
init_queue TCP_queue init_queue TCP_queue
movi ebx, 1 movi ebx, 1
mov ecx, TCP_process_input mov ecx, tcp_process_input
call new_sys_threads call new_sys_threads
test eax, eax test eax, eax
jns @f jns @f
@ -227,7 +227,7 @@ macro TCP_init {
@@: @@:
movi ebx, 1 movi ebx, 1
mov ecx, TCP_timer_640ms mov ecx, tcp_timer_640ms
call new_sys_threads call new_sys_threads
test eax, eax test eax, eax
jns @f jns @f
@ -246,7 +246,7 @@ include 'tcp_output.inc'
;------------------------------------------------------------------; ;------------------------------------------------------------------;
; ; ; ;
; TCP_api: This function is called by system function 76 ; ; tcp_api: Part of system function 76 ;
; ; ; ;
; IN: bl = subfunction number ; ; IN: bl = subfunction number ;
; bh = device number ; ; bh = device number ;
@ -256,7 +256,7 @@ include 'tcp_output.inc'
; ; ; ;
;------------------------------------------------------------------; ;------------------------------------------------------------------;
align 4 align 4
TCP_api: tcp_api:
movzx eax, bh movzx eax, bh
shl eax, 2 shl eax, 2

118
kernel/trunk/network/tcp_input.inc
View File

@ -31,7 +31,7 @@ $Revision$
; ; ; ;
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
align 4 align 4
TCP_input: tcp_input:
; record the current time ; record the current time
push [timer_ticks] ; in 1/100 seconds push [timer_ticks] ; in 1/100 seconds
@ -57,17 +57,17 @@ TCP_input:
pop edi pop edi
DEBUGF DEBUG_NETWORK_VERBOSE, "TCP incoming queue is full, discarding packet!\n" DEBUGF DEBUG_NETWORK_VERBOSE, "TCP incoming queue is full, discarding packet!\n"
call NET_ptr_to_num4 call net_ptr_to_num4
inc [TCP_segments_missed + edi] inc [TCP_segments_missed + edi]
add esp, sizeof.TCP_queue_entry - 4 add esp, sizeof.TCP_queue_entry - 4
call NET_BUFF_free call net_buff_free
ret ret
align 4 align 4
proc TCP_process_input proc tcp_process_input
locals locals
dataoffset dd ? dataoffset dd ?
@ -111,7 +111,7 @@ endl
push ecx esi push ecx esi
pushw [esi + TCP_header.Checksum] pushw [esi + TCP_header.Checksum]
mov [esi + TCP_header.Checksum], 0 mov [esi + TCP_header.Checksum], 0
TCP_checksum (edi+IPv4_header.SourceAddress), (edi+IPv4_header.DestinationAddress) tcp_checksum (edi+IPv4_header.SourceAddress), (edi+IPv4_header.DestinationAddress)
pop cx ; previous checksum pop cx ; previous checksum
cmp cx, dx cmp cx, dx
pop edx ecx pop edx ecx
@ -234,7 +234,7 @@ endl
popa popa
push ecx edx esi edi push ecx edx esi edi
call SOCKET_fork call socket_fork
pop edi esi edx ecx pop edi esi edx ecx
test eax, eax test eax, eax
@ -312,7 +312,7 @@ endl
lodsw lodsw
rol ax, 8 rol ax, 8
DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_input: Maxseg=%u\n", eax DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_input: Maxseg=%u\n", eax
call TCP_mss call tcp_mss
@@: @@:
jmp .opt_loop jmp .opt_loop
@ -473,7 +473,7 @@ endl
pusha pusha
mov ecx, eax mov ecx, eax
lea eax, [ebx + STREAM_SOCKET.snd] lea eax, [ebx + STREAM_SOCKET.snd]
call SOCKET_ring_free call socket_ring_free
popa popa
; Update RTT estimators ; Update RTT estimators
@ -483,7 +483,7 @@ endl
mov eax, [timestamp] mov eax, [timestamp]
sub eax, [ebx + TCP_SOCKET.ts_ecr] sub eax, [ebx + TCP_SOCKET.ts_ecr]
inc eax inc eax
call TCP_xmit_timer call tcp_xmit_timer
jmp .rtt_done jmp .rtt_done
.no_timestamp_rtt: .no_timestamp_rtt:
@ -493,7 +493,7 @@ endl
cmp eax, [ebx + TCP_SOCKET.t_rtseq] cmp eax, [ebx + TCP_SOCKET.t_rtseq]
jbe .rtt_done jbe .rtt_done
mov eax, [ebx + TCP_SOCKET.t_rtt] mov eax, [ebx + TCP_SOCKET.t_rtt]
call TCP_xmit_timer call tcp_xmit_timer
.rtt_done: .rtt_done:
; update window pointers ; update window pointers
@ -511,10 +511,10 @@ endl
; Awaken waiting processes ; Awaken waiting processes
mov eax, ebx mov eax, ebx
call SOCKET_notify call socket_notify
; Generate more output ; Generate more output
call TCP_output call tcp_output
jmp .drop_no_socket jmp .drop_no_socket
@ -540,11 +540,11 @@ endl
mov esi, [dataoffset] mov esi, [dataoffset]
add esi, edx add esi, edx
lea eax, [ebx + STREAM_SOCKET.rcv] lea eax, [ebx + STREAM_SOCKET.rcv]
call SOCKET_ring_write ; Add the data to the socket buffer call socket_ring_write ; Add the data to the socket buffer
add [ebx + TCP_SOCKET.RCV_NXT], ecx ; Update sequence number with number of bytes we have copied add [ebx + TCP_SOCKET.RCV_NXT], ecx ; Update sequence number with number of bytes we have copied
mov eax, ebx mov eax, ebx
call SOCKET_notify call socket_notify
or [ebx + TCP_SOCKET.t_flags], TF_DELACK ; Set delayed ack flag or [ebx + TCP_SOCKET.t_flags], TF_DELACK ; Set delayed ack flag
@ -661,7 +661,7 @@ endl
jz .not_terminated jz .not_terminated
mov eax, ebx mov eax, ebx
call TCP_close call tcp_close
inc [TCPS_rcvafterclose] inc [TCPS_rcvafterclose]
jmp .respond_seg_reset jmp .respond_seg_reset
@ -691,7 +691,7 @@ endl
; cmp edx, [edx + TCP_header.SequenceNumber] ; cmp edx, [edx + TCP_header.SequenceNumber]
; add edx, 64000 ; TCP_ISSINCR FIXME ; add edx, 64000 ; TCP_ISSINCR FIXME
mov eax, ebx mov eax, ebx
call TCP_close call tcp_close
jmp .findpcb ; FIXME: skip code for unscaling window, ... jmp .findpcb ; FIXME: skip code for unscaling window, ...
.no_new_request: .no_new_request:
@ -779,14 +779,14 @@ endl
mov [ebx + TCP_SOCKET.t_state], TCPS_CLOSED mov [ebx + TCP_SOCKET.t_state], TCPS_CLOSED
;;; TODO: update stats (tcp drops) ;;; TODO: update stats (tcp drops)
mov eax, ebx mov eax, ebx
call TCP_close call tcp_close
jmp .drop_no_socket jmp .drop_no_socket
.rst_close: .rst_close:
DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_input: Closing with reset\n" DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_input: Closing with reset\n"
mov eax, ebx mov eax, ebx
call TCP_close call tcp_close
jmp .drop_no_socket jmp .drop_no_socket
.no_rst: .no_rst:
@ -799,7 +799,7 @@ endl
mov eax, ebx mov eax, ebx
mov ebx, ECONNRESET mov ebx, ECONNRESET
call TCP_drop call tcp_drop
jmp .drop_with_reset jmp .drop_with_reset
.not_syn_full: .not_syn_full:
@ -824,7 +824,7 @@ endl
;;; TODO: update stats ;;; TODO: update stats
mov eax, ebx mov eax, ebx
call SOCKET_is_connected call socket_is_connected
mov [ebx + TCP_SOCKET.t_state], TCPS_ESTABLISHED mov [ebx + TCP_SOCKET.t_state], TCPS_ESTABLISHED
; Do window scaling? ; Do window scaling?
@ -838,7 +838,7 @@ endl
pop word [ebx + TCP_SOCKET.SND_SCALE] pop word [ebx + TCP_SOCKET.SND_SCALE]
@@: @@:
call TCP_reassemble call tcp_reassemble
mov eax, [edx + TCP_header.SequenceNumber] mov eax, [edx + TCP_header.SequenceNumber]
dec eax dec eax
@ -916,7 +916,7 @@ endl
; retransmit missing segment ; retransmit missing segment
mov eax, [esp] mov eax, [esp]
call TCP_output call tcp_output
; Lock the socket again ; Lock the socket again
mov ecx, [esp] mov ecx, [esp]
@ -955,7 +955,7 @@ endl
; retransmit missing segment ; retransmit missing segment
mov eax, [esp] mov eax, [esp]
call TCP_output call tcp_output
; Lock the socket again ; Lock the socket again
mov ecx, [esp] mov ecx, [esp]
@ -1005,7 +1005,7 @@ endl
mov eax, [timestamp] mov eax, [timestamp]
sub eax, [ebx + TCP_SOCKET.ts_ecr] sub eax, [ebx + TCP_SOCKET.ts_ecr]
inc eax inc eax
call TCP_xmit_timer call tcp_xmit_timer
jmp .rtt_done_ jmp .rtt_done_
; If no timestamp but transmit timer is running and timed sequence number was acked, ; If no timestamp but transmit timer is running and timed sequence number was acked,
@ -1020,7 +1020,7 @@ endl
mov eax, [ebx + TCP_SOCKET.t_rtt] mov eax, [ebx + TCP_SOCKET.t_rtt]
test eax, eax test eax, eax
jz .rtt_done_ jz .rtt_done_
call TCP_xmit_timer call tcp_xmit_timer
.rtt_done_: .rtt_done_:
@ -1085,7 +1085,7 @@ endl
mov ecx, [ebx + STREAM_SOCKET.snd.size] mov ecx, [ebx + STREAM_SOCKET.snd.size]
lea eax, [ebx + STREAM_SOCKET.snd] lea eax, [ebx + STREAM_SOCKET.snd]
sub [ebx + TCP_SOCKET.SND_WND], ecx sub [ebx + TCP_SOCKET.SND_WND], ecx
call SOCKET_ring_free call socket_ring_free
pop ebx edx ecx pop ebx edx ecx
DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_input: our FIN is acked\n" DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_input: our FIN is acked\n"
@ -1097,7 +1097,7 @@ endl
push ecx edx ebx push ecx edx ebx
mov ecx, edi mov ecx, edi
lea eax, [ebx + STREAM_SOCKET.snd] lea eax, [ebx + STREAM_SOCKET.snd]
call SOCKET_ring_free call socket_ring_free
pop ebx pop ebx
sub [ebx + TCP_SOCKET.SND_WND], ecx sub [ebx + TCP_SOCKET.SND_WND], ecx
pop edx ecx pop edx ecx
@ -1109,7 +1109,7 @@ endl
.wakeup: .wakeup:
mov eax, ebx mov eax, ebx
call SOCKET_notify call socket_notify
; Update TCPS ; Update TCPS
mov eax, [edx + TCP_header.AckNumber] mov eax, [edx + TCP_header.AckNumber]
@ -1147,7 +1147,7 @@ endl
test [ebx + SOCKET.state], SS_CANTRCVMORE test [ebx + SOCKET.state], SS_CANTRCVMORE
jnz @f jnz @f
mov eax, ebx mov eax, ebx
call SOCKET_is_disconnected call socket_is_disconnected
mov [ebx + TCP_SOCKET.timer_timed_wait], TCP_time_max_idle mov [ebx + TCP_SOCKET.timer_timed_wait], TCP_time_max_idle
or [ebx + TCP_SOCKET.timer_flags], timer_flag_wait or [ebx + TCP_SOCKET.timer_flags], timer_flag_wait
@@: @@:
@ -1160,11 +1160,11 @@ endl
mov [ebx + TCP_SOCKET.t_state], TCPS_TIMED_WAIT mov [ebx + TCP_SOCKET.t_state], TCPS_TIMED_WAIT
mov eax, ebx mov eax, ebx
call TCP_cancel_timers call tcp_cancel_timers
mov [ebx + TCP_SOCKET.timer_timed_wait], 2 * TCP_time_MSL mov [ebx + TCP_SOCKET.timer_timed_wait], 2 * TCP_time_MSL
or [ebx + TCP_SOCKET.timer_flags], timer_flag_wait or [ebx + TCP_SOCKET.timer_flags], timer_flag_wait
mov eax, ebx mov eax, ebx
call SOCKET_is_disconnected call socket_is_disconnected
jmp .ack_processed jmp .ack_processed
.ack_la: .ack_la:
@ -1177,7 +1177,7 @@ endl
pop ebx pop ebx
mov eax, ebx mov eax, ebx
call TCP_close call tcp_close
jmp .drop_no_socket jmp .drop_no_socket
.ack_tw: .ack_tw:
@ -1224,8 +1224,8 @@ align 4
mov [ebx + TCP_SOCKET.ISS], eax mov [ebx + TCP_SOCKET.ISS], eax
mov [ebx + TCP_SOCKET.SND_NXT], eax mov [ebx + TCP_SOCKET.SND_NXT], eax
TCP_sendseqinit ebx tcp_sendseqinit ebx
TCP_rcvseqinit ebx tcp_rcvseqinit ebx
mov [ebx + TCP_SOCKET.t_state], TCPS_SYN_RECEIVED mov [ebx + TCP_SOCKET.t_state], TCPS_SYN_RECEIVED
or [ebx + TCP_SOCKET.t_flags], TF_ACKNOW or [ebx + TCP_SOCKET.t_flags], TF_ACKNOW
@ -1233,12 +1233,12 @@ align 4
or [ebx + TCP_SOCKET.timer_flags], timer_flag_keepalive or [ebx + TCP_SOCKET.timer_flags], timer_flag_keepalive
lea eax, [ebx + STREAM_SOCKET.snd] lea eax, [ebx + STREAM_SOCKET.snd]
call SOCKET_ring_create call socket_ring_create
test eax, eax test eax, eax
jz .drop jz .drop
lea eax, [ebx + STREAM_SOCKET.rcv] lea eax, [ebx + STREAM_SOCKET.rcv]
call SOCKET_ring_create call socket_ring_create
test eax, eax test eax, eax
jz .drop jz .drop
@ -1246,7 +1246,7 @@ align 4
pusha pusha
mov eax, ebx mov eax, ebx
call SOCKET_notify call socket_notify
popa popa
jmp .trim jmp .trim
@ -1278,7 +1278,7 @@ align 4
mov eax, ebx mov eax, ebx
mov ebx, ECONNREFUSED mov ebx, ECONNREFUSED
call TCP_drop call tcp_drop
jmp .drop jmp .drop
@@: @@:
@ -1306,7 +1306,7 @@ align 4
push [edx + TCP_header.SequenceNumber] push [edx + TCP_header.SequenceNumber]
pop [ebx + TCP_SOCKET.IRS] pop [ebx + TCP_SOCKET.IRS]
TCP_rcvseqinit ebx tcp_rcvseqinit ebx
or [ebx + TCP_SOCKET.t_flags], TF_ACKNOW or [ebx + TCP_SOCKET.t_flags], TF_ACKNOW
@ -1324,7 +1324,7 @@ align 4
; set socket state to connected ; set socket state to connected
push eax push eax
mov eax, ebx mov eax, ebx
call SOCKET_is_connected call socket_is_connected
pop eax pop eax
mov [ebx + TCP_SOCKET.t_state], TCPS_ESTABLISHED mov [ebx + TCP_SOCKET.t_state], TCPS_ESTABLISHED
@ -1334,8 +1334,8 @@ align 4
cmp eax, TF_REQ_SCALE or TF_RCVD_SCALE cmp eax, TF_REQ_SCALE or TF_RCVD_SCALE
jne .no_scaling jne .no_scaling
mov ax, word [ebx + TCP_SOCKET.requested_s_scale] mov ax, word[ebx + TCP_SOCKET.requested_s_scale]
mov word [ebx + TCP_SOCKET.SND_SCALE], ax mov word[ebx + TCP_SOCKET.SND_SCALE], ax
.no_scaling: .no_scaling:
;;; TODO: reassemble packets queue ;;; TODO: reassemble packets queue
@ -1343,7 +1343,7 @@ align 4
mov eax, [ebx + TCP_SOCKET.t_rtt] mov eax, [ebx + TCP_SOCKET.t_rtt]
test eax, eax test eax, eax
je .trim je .trim
call TCP_xmit_timer call tcp_xmit_timer
jmp .trim jmp .trim
.simultaneous_open: .simultaneous_open:
@ -1485,13 +1485,13 @@ align 4
mov esi, [dataoffset] mov esi, [dataoffset]
add esi, edx add esi, edx
lea eax, [ebx + STREAM_SOCKET.rcv] lea eax, [ebx + STREAM_SOCKET.rcv]
call SOCKET_ring_write ; Add the data to the socket buffer call socket_ring_write ; Add the data to the socket buffer
add [ebx + TCP_SOCKET.RCV_NXT], ecx ; Update sequence number with number of bytes we have copied add [ebx + TCP_SOCKET.RCV_NXT], ecx ; Update sequence number with number of bytes we have copied
popa popa
; Wake up the sleeping process ; Wake up the sleeping process
mov eax, ebx mov eax, ebx
call SOCKET_notify call socket_notify
jmp .data_done jmp .data_done
@ -1501,7 +1501,7 @@ align 4
; Uh-oh, some data is out of order, lets call TCP reassemble for help ; Uh-oh, some data is out of order, lets call TCP reassemble for help
call TCP_reassemble call tcp_reassemble
; Generate ACK immediately, to let the other end know that a segment was received out of order, ; Generate ACK immediately, to let the other end know that a segment was received out of order,
; and to tell it what sequence number is expected. This aids the fast-retransmit algorithm. ; and to tell it what sequence number is expected. This aids the fast-retransmit algorithm.
@ -1522,7 +1522,7 @@ align 4
DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_input: First FIN for this connection\n" DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_input: First FIN for this connection\n"
mov eax, ebx mov eax, ebx
call SOCKET_cant_recv_more call socket_cant_recv_more
or [ebx + TCP_SOCKET.t_flags], TF_ACKNOW or [ebx + TCP_SOCKET.t_flags], TF_ACKNOW
inc [ebx + TCP_SOCKET.RCV_NXT] inc [ebx + TCP_SOCKET.RCV_NXT]
@ -1556,8 +1556,8 @@ align 4
.fin_wait2: .fin_wait2:
mov [ebx + TCP_SOCKET.t_state], TCPS_TIMED_WAIT mov [ebx + TCP_SOCKET.t_state], TCPS_TIMED_WAIT
mov eax, ebx mov eax, ebx
call TCP_cancel_timers call tcp_cancel_timers
call SOCKET_is_disconnected call socket_is_disconnected
.fin_timed: .fin_timed:
mov [ebx + TCP_SOCKET.timer_timed_wait], 2 * TCP_time_MSL mov [ebx + TCP_SOCKET.timer_timed_wait], 2 * TCP_time_MSL
@ -1583,12 +1583,12 @@ align 4
.need_output: .need_output:
DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_input: need output\n" DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_input: need output\n"
call TCP_output call tcp_output
.done: .done:
DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_input: dumping\n" DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_input: dumping\n"
call NET_BUFF_free call net_buff_free
jmp .loop jmp .loop
@ -1621,7 +1621,7 @@ align 4
test [edx + TCP_header.Flags], TH_RST test [edx + TCP_header.Flags], TH_RST
jnz .done jnz .done
;;; if its a multicast/broadcast, also drop ; TODO: if its a multicast/broadcast, also drop
test [edx + TCP_header.Flags], TH_ACK test [edx + TCP_header.Flags], TH_ACK
jnz .respond_ack jnz .respond_ack
@ -1636,14 +1636,14 @@ align 4
.respond_ack: .respond_ack:
push ebx push ebx
mov cl, TH_RST mov cl, TH_RST
call TCP_respond call tcp_respond
pop ebx pop ebx
jmp .destroy_new_socket jmp .destroy_new_socket
.respond_syn: .respond_syn:
push ebx push ebx
mov cl, TH_RST + TH_ACK mov cl, TH_RST + TH_ACK
call TCP_respond call tcp_respond
pop ebx pop ebx
jmp .destroy_new_socket jmp .destroy_new_socket
@ -1660,7 +1660,7 @@ align 4
test [edx + TCP_header.Flags], TH_RST test [edx + TCP_header.Flags], TH_RST
jnz .drop_no_socket jnz .drop_no_socket
;;; TODO: if its a multicast/broadcast, also drop ; TODO: if its a multicast/broadcast, also drop
test [edx + TCP_header.Flags], TH_ACK test [edx + TCP_header.Flags], TH_ACK
jnz .respond_seg_ack jnz .respond_seg_ack
@ -1673,13 +1673,13 @@ align 4
.respond_seg_ack: .respond_seg_ack:
mov cl, TH_RST mov cl, TH_RST
xor ebx, ebx ; FIXME: find a way to get the receiving device ptr xor ebx, ebx ; FIXME: find a way to get the receiving device ptr
call TCP_respond_segment call tcp_respond_segment
jmp .drop_no_socket jmp .drop_no_socket
.respond_seg_syn: .respond_seg_syn:
mov cl, TH_RST + TH_ACK mov cl, TH_RST + TH_ACK
xor ebx, ebx ; FIXME: find a way to get the receiving device ptr xor ebx, ebx ; FIXME: find a way to get the receiving device ptr
call TCP_respond_segment call tcp_respond_segment
jmp .drop_no_socket jmp .drop_no_socket
;------------------------------------------------ ;------------------------------------------------
@ -1701,7 +1701,7 @@ align 4
jz .drop_no_socket jz .drop_no_socket
mov eax, ebx mov eax, ebx
call SOCKET_free call socket_free
;------------------ ;------------------
; Drop the segment ; Drop the segment
@ -1709,7 +1709,7 @@ align 4
.drop_no_socket: .drop_no_socket:
DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_input: Drop (no socket)\n" DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_input: Drop (no socket)\n"
call NET_BUFF_free call net_buff_free
jmp .loop jmp .loop
endp endp

18
kernel/trunk/network/tcp_output.inc
View File

@ -18,7 +18,7 @@ $Revision$
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
; ; ; ;
; TCP_output ; ; tcp_output ;
; ; ; ;
; IN: eax = socket pointer ; ; IN: eax = socket pointer ;
; ; ; ;
@ -26,7 +26,7 @@ $Revision$
; ; ; ;
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
align 4 align 4
proc TCP_output proc tcp_output
locals locals
temp_bits db ? temp_bits db ?
@ -72,7 +72,7 @@ endl
mov ecx, [eax + TCP_SOCKET.SND_CWND] ; mov ecx, [eax + TCP_SOCKET.SND_CWND] ;
@@: ; @@: ;
call TCP_outflags ; flags in dl call tcp_outflags ; flags in dl
;------------------------ ;------------------------
; data being forced out ? ; data being forced out ?
@ -279,7 +279,7 @@ endl
DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_output: Entering persist state\n" DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_output: Entering persist state\n"
mov [eax + TCP_SOCKET.t_rxtshift], 0 mov [eax + TCP_SOCKET.t_rxtshift], 0
call TCP_set_persist call tcp_set_persist
@@: @@:
;---------------------------- ;----------------------------
@ -509,7 +509,7 @@ endl
mov edi, [eax + IP_SOCKET.RemoteIP] ; dest ip mov edi, [eax + IP_SOCKET.RemoteIP] ; dest ip
mov al, [eax + IP_SOCKET.ttl] mov al, [eax + IP_SOCKET.ttl]
mov ah, IP_PROTO_TCP mov ah, IP_PROTO_TCP
call IPv4_output call ipv4_output
jz .ip_error jz .ip_error
;------------------------------------------ ;------------------------------------------
@ -549,7 +549,7 @@ endl
add [eax + TCP_SOCKET.SND_NXT], ecx ; update sequence number add [eax + TCP_SOCKET.SND_NXT], ecx ; update sequence number
sub edx, [eax + TCP_SOCKET.SND_UNA] ; offset sub edx, [eax + TCP_SOCKET.SND_UNA] ; offset
add eax, STREAM_SOCKET.snd add eax, STREAM_SOCKET.snd
call SOCKET_ring_read call socket_ring_read
.nodata: .nodata:
pop edi pop edi
pop esi ; begin of data pop esi ; begin of data
@ -606,7 +606,7 @@ endl
test [ebx + NET_DEVICE.hwacc], NET_HWACC_TCP_IPv4_OUT test [ebx + NET_DEVICE.hwacc], NET_HWACC_TCP_IPv4_OUT
jnz .checksum_ok jnz .checksum_ok
TCP_checksum (eax + IP_SOCKET.LocalIP), (eax + IP_SOCKET.RemoteIP) tcp_checksum (eax + IP_SOCKET.LocalIP), (eax + IP_SOCKET.RemoteIP)
.checksum_ok: .checksum_ok:
mov [esi + TCP_header.Checksum], dx mov [esi + TCP_header.Checksum], dx
@ -624,7 +624,7 @@ endl
pop ecx pop ecx
pop eax pop eax
call NET_ptr_to_num4 call net_ptr_to_num4
inc [TCP_segments_tx + edi] inc [TCP_segments_tx + edi]
inc [TCPS_sndtotal] inc [TCPS_sndtotal]
@ -658,7 +658,7 @@ endl
; Check if we need more output ; Check if we need more output
test [temp_bits], TCP_BIT_SENDALOT test [temp_bits], TCP_BIT_SENDALOT
jnz TCP_output.again jnz tcp_output.again
DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_send: success!\n" DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_send: success!\n"

90
kernel/trunk/network/tcp_subr.inc
View File

@ -21,7 +21,7 @@ iglobal
TCP_backoff db 0,1,2,3,4,5,6,6,6,6,6,6,6 TCP_backoff db 0,1,2,3,4,5,6,6,6,6,6,6,6
endg endg
macro TCP_checksum IP1, IP2 { macro tcp_checksum IP1, IP2 {
;------------- ;-------------
; Pseudoheader ; Pseudoheader
@ -60,9 +60,9 @@ macro TCP_checksum IP1, IP2 {
macro TCP_sendseqinit ptr { macro tcp_sendseqinit ptr {
push edi ;;;; i dont like this static use of edi push edi ;;;; FIXME: i dont like this static use of edi
mov edi, [ptr + TCP_SOCKET.ISS] mov edi, [ptr + TCP_SOCKET.ISS]
mov [ptr + TCP_SOCKET.SND_UP], edi mov [ptr + TCP_SOCKET.SND_UP], edi
mov [ptr + TCP_SOCKET.SND_MAX], edi mov [ptr + TCP_SOCKET.SND_MAX], edi
@ -74,7 +74,7 @@ macro TCP_sendseqinit ptr {
macro TCP_rcvseqinit ptr { macro tcp_rcvseqinit ptr {
push edi push edi
mov edi, [ptr + TCP_SOCKET.IRS] mov edi, [ptr + TCP_SOCKET.IRS]
@ -87,7 +87,7 @@ macro TCP_rcvseqinit ptr {
macro TCP_init_socket socket { macro tcp_init_socket socket {
mov [socket + TCP_SOCKET.t_maxseg], TCP_mss_default mov [socket + TCP_SOCKET.t_maxseg], TCP_mss_default
mov [socket + TCP_SOCKET.t_flags], TF_REQ_SCALE or TF_REQ_TSTMP mov [socket + TCP_SOCKET.t_flags], TF_REQ_SCALE or TF_REQ_TSTMP
@ -106,7 +106,7 @@ macro TCP_init_socket socket {
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
; ; ; ;
; TCP_pull_out_of_band ; ; tcp_pull_out_of_band ;
; ; ; ;
; IN: eax = ? ; ; IN: eax = ? ;
; ebx = socket ptr ; ; ebx = socket ptr ;
@ -116,9 +116,9 @@ macro TCP_init_socket socket {
; ; ; ;
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
align 4 align 4
TCP_pull_out_of_band: tcp_pull_out_of_band:
DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_pull_out_of_band\n" DEBUGF DEBUG_NETWORK_VERBOSE, "tcp_pull_out_of_band\n"
;;;; 1282-1305 ;;;; 1282-1305
@ -128,7 +128,7 @@ TCP_pull_out_of_band:
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
; ; ; ;
; TCP_drop ; ; tcp_drop ;
; ; ; ;
; IN: eax = socket ptr ; ; IN: eax = socket ptr ;
; ebx = error number ; ; ebx = error number ;
@ -137,9 +137,9 @@ TCP_pull_out_of_band:
; ; ; ;
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
align 4 align 4
TCP_drop: ; FIXME CHECKME TODO tcp_drop: ; FIXME CHECKME TODO
DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_drop: %x\n", eax DEBUGF DEBUG_NETWORK_VERBOSE, "tcp_drop: %x\n", eax
cmp [eax + TCP_SOCKET.t_state], TCPS_SYN_RECEIVED cmp [eax + TCP_SOCKET.t_state], TCPS_SYN_RECEIVED
jb .no_syn_received jb .no_syn_received
@ -147,12 +147,12 @@ TCP_drop: ; FIXME CHECKME TODO
mov [eax + TCP_SOCKET.t_state], TCPS_CLOSED mov [eax + TCP_SOCKET.t_state], TCPS_CLOSED
push eax push eax
call TCP_output call tcp_output
pop eax pop eax
;;; TODO: update stats ;;; TODO: update stats
jmp TCP_close jmp tcp_close
.no_syn_received: .no_syn_received:
@ -167,7 +167,7 @@ TCP_drop: ; FIXME CHECKME TODO
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
; ; ; ;
; TCP_disconnect ; ; tcp_disconnect ;
; ; ; ;
; IN: eax = socket ptr ; ; IN: eax = socket ptr ;
; ; ; ;
@ -175,22 +175,22 @@ TCP_drop: ; FIXME CHECKME TODO
; ; ; ;
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
align 4 align 4
TCP_disconnect: tcp_disconnect:
DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_disconnect: %x\n", eax DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_disconnect: %x\n", eax
cmp [eax + TCP_SOCKET.t_state], TCPS_ESTABLISHED cmp [eax + TCP_SOCKET.t_state], TCPS_ESTABLISHED
jb TCP_close ; Connection not yet synchronised, just get rid of the socket jb tcp_close ; Connection not yet synchronised, just get rid of the socket
; TODO: implement LINGER ; TODO: implement LINGER
call SOCKET_is_disconnecting call socket_is_disconnecting
call TCP_usrclosed call tcp_usrclosed
test eax, eax test eax, eax
jz @f jz @f
push eax push eax
call TCP_output call tcp_output
pop eax pop eax
@@: @@:
ret ret
@ -198,7 +198,7 @@ TCP_disconnect:
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
; ; ; ;
; TCP_close ; ; tcp_close ;
; ; ; ;
; IN: eax = socket ptr ; ; IN: eax = socket ptr ;
; ; ; ;
@ -206,15 +206,15 @@ TCP_disconnect:
; ; ; ;
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
align 4 align 4
TCP_close: tcp_close:
DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_close: %x\n", eax DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_close: %x\n", eax
;;; TODO: update RTT and mean deviation ;;; TODO: update RTT and mean deviation
;;; TODO: update slow start threshold ;;; TODO: update slow start threshold
call SOCKET_is_disconnected call socket_is_disconnected
call SOCKET_free call socket_free
xor eax, eax xor eax, eax
ret ret
@ -223,7 +223,7 @@ TCP_close:
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
; ; ; ;
; TCP_outflags ; ; tcp_outflags ;
; ; ; ;
; IN: eax = socket ptr ; ; IN: eax = socket ptr ;
; ; ; ;
@ -231,10 +231,10 @@ TCP_close:
; ; ; ;
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
align 4 align 4
TCP_outflags: tcp_outflags:
mov edx, [eax + TCP_SOCKET.t_state] mov edx, [eax + TCP_SOCKET.t_state]
movzx edx, byte [edx + .flaglist] movzx edx, byte[edx + .flaglist]
DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_outflags: socket=%x flags=%x\n", eax, dl DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_outflags: socket=%x flags=%x\n", eax, dl
@ -270,7 +270,7 @@ TCP_outflags:
; ; ; ;
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
align 4 align 4
TCP_respond: tcp_respond:
DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_respond_socket: socket=%x flags=%x\n", ebx, cl DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_respond_socket: socket=%x flags=%x\n", ebx, cl
@ -284,7 +284,7 @@ TCP_respond:
mov ah, IP_PROTO_TCP mov ah, IP_PROTO_TCP
mov ecx, sizeof.TCP_header mov ecx, sizeof.TCP_header
mov ebx, [ebx + IP_SOCKET.device] mov ebx, [ebx + IP_SOCKET.device]
call IPv4_output call ipv4_output
jz .error jz .error
pop esi cx pop esi cx
push eax push eax
@ -320,7 +320,7 @@ TCP_respond:
sub edi, sizeof.TCP_header sub edi, sizeof.TCP_header
mov ecx, sizeof.TCP_header mov ecx, sizeof.TCP_header
xchg esi, edi xchg esi, edi
TCP_checksum (edi + IP_SOCKET.LocalIP), (edi + IP_SOCKET.RemoteIP) tcp_checksum (edi + IP_SOCKET.LocalIP), (edi + IP_SOCKET.RemoteIP)
mov [esi+TCP_header.Checksum], dx mov [esi+TCP_header.Checksum], dx
;-------------------- ;--------------------
@ -329,7 +329,7 @@ TCP_respond:
call [ebx + NET_DEVICE.transmit] call [ebx + NET_DEVICE.transmit]
test eax, eax test eax, eax
jnz @f jnz @f
call NET_ptr_to_num4 call net_ptr_to_num4
inc [TCP_segments_tx + edi] inc [TCP_segments_tx + edi]
@@: @@:
ret ret
@ -343,7 +343,7 @@ TCP_respond:
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
; ; ; ;
; TCP_respond_segment ; ; tcp_respond_segment ;
; ; ; ;
; IN: ebx = device ptr ; ; IN: ebx = device ptr ;
; edx = segment ptr (a previously received segment) ; ; edx = segment ptr (a previously received segment) ;
@ -354,7 +354,7 @@ TCP_respond:
; ; ; ;
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
align 4 align 4
TCP_respond_segment: tcp_respond_segment:
DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_respond_segment: frame=%x flags=%x\n", edx, cl DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_respond_segment: frame=%x flags=%x\n", edx, cl
@ -366,7 +366,7 @@ TCP_respond_segment:
mov edi, [edi + IPv4_header.SourceAddress] mov edi, [edi + IPv4_header.SourceAddress]
mov ecx, sizeof.TCP_header mov ecx, sizeof.TCP_header
mov ax, IP_PROTO_TCP shl 8 + 128 mov ax, IP_PROTO_TCP shl 8 + 128
call IPv4_output call ipv4_output
jz .error jz .error
pop esi cx pop esi cx
@ -399,7 +399,7 @@ TCP_respond_segment:
lea esi, [edi - sizeof.TCP_header] lea esi, [edi - sizeof.TCP_header]
mov ecx, sizeof.TCP_header mov ecx, sizeof.TCP_header
TCP_checksum (esi - sizeof.IPv4_header + IPv4_header.DestinationAddress),\ ; FIXME tcp_checksum (esi - sizeof.IPv4_header + IPv4_header.DestinationAddress),\ ; FIXME
(esi - sizeof.IPv4_header + IPv4_header.SourceAddress) (esi - sizeof.IPv4_header + IPv4_header.SourceAddress)
mov [esi + TCP_header.Checksum], dx mov [esi + TCP_header.Checksum], dx
@ -409,7 +409,7 @@ TCP_respond_segment:
call [ebx + NET_DEVICE.transmit] call [ebx + NET_DEVICE.transmit]
test eax, eax test eax, eax
jnz @f jnz @f
call NET_ptr_to_num4 call net_ptr_to_num4
inc [TCP_segments_tx + edi] inc [TCP_segments_tx + edi]
@@: @@:
ret ret
@ -421,7 +421,7 @@ TCP_respond_segment:
ret ret
macro TCPT_RANGESET timer, value, min, max { macro tcpt_rangeset timer, value, min, max {
local .min local .min
local .max local .max
@ -448,11 +448,11 @@ local .done
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
; ; ; ;
; TCP_set_persist ; ; tcp_set_persist ;
; ; ; ;
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
align 4 align 4
TCP_set_persist: tcp_set_persist:
DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_set_persist\n" DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_set_persist\n"
@ -473,7 +473,7 @@ TCP_set_persist:
; Start/restart persistance timer. ; Start/restart persistance timer.
TCPT_RANGESET [eax + TCP_SOCKET.timer_persist], ebx, TCP_time_pers_min, TCP_time_pers_max tcpt_rangeset [eax + TCP_SOCKET.timer_persist], ebx, TCP_time_pers_min, TCP_time_pers_max
or [ebx + TCP_SOCKET.timer_flags], timer_flag_persist or [ebx + TCP_SOCKET.timer_flags], timer_flag_persist
pop ebx pop ebx
@ -489,7 +489,7 @@ TCP_set_persist:
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
; ; ; ;
; TCP_xmit_timer: Calculate new smoothed RTT. ; ; tcp_xmit_timer: Calculate new smoothed RTT. ;
; ; ; ;
; IN: eax = rtt ; ; IN: eax = rtt ;
; ebx = socket ptr ; ; ebx = socket ptr ;
@ -498,7 +498,7 @@ TCP_set_persist:
; ; ; ;
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
align 4 align 4
TCP_xmit_timer: tcp_xmit_timer:
DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_xmit_timer: socket=0x%x rtt=%d0ms\n", ebx, eax DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_xmit_timer: socket=0x%x rtt=%d0ms\n", ebx, eax
@ -563,7 +563,7 @@ TCP_xmit_timer:
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
; ; ; ;
; TCP_mss: Update maximum segment size ; ; tcp_mss: Update maximum segment size ;
; ; ; ;
; IN: eax = max segment size ; ; IN: eax = max segment size ;
; ebx = socket ptr ; ; ebx = socket ptr ;
@ -572,7 +572,7 @@ TCP_xmit_timer:
; ; ; ;
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
align 4 align 4
TCP_mss: tcp_mss:
cmp eax, 1420 ; FIXME cmp eax, 1420 ; FIXME
jbe @f jbe @f
@ -587,7 +587,7 @@ TCP_mss:
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
; ; ; ;
; TCP_reassemble ; ; tcp_reassemble ;
; ; ; ;
; IN: ebx = socket ptr ; ; IN: ebx = socket ptr ;
; edx = segment ptr ; ; edx = segment ptr ;
@ -596,7 +596,7 @@ TCP_mss:
; ; ; ;
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
align 4 align 4
TCP_reassemble: tcp_reassemble:
;;;;; TODO ;;;;; TODO

47
kernel/trunk/network/tcp_timer.inc
View File

@ -23,7 +23,7 @@ timer_flag_persist = 1 shl 3
timer_flag_wait = 1 shl 4 timer_flag_wait = 1 shl 4
macro TCP_timer_160ms { macro tcp_timer_160ms {
local .loop local .loop
local .exit local .exit
@ -45,10 +45,7 @@ local .exit
push ebx push ebx
mov cl, TH_ACK mov cl, TH_ACK
call TCP_respond call tcp_respond
; and [ebx + TCP_SOCKET.t_flags], TF_ACKNOW ;;
; mov eax, ebx ;;
; call TCP_output ;;
pop ebx pop ebx
inc [TCPS_delack] ; update stats inc [TCPS_delack] ; update stats
@ -61,7 +58,7 @@ local .exit
align 4 align 4
proc TCP_timer_640ms ; TODO: implement timed wait timer! proc tcp_timer_640ms
xor esi, esi xor esi, esi
mov ecx, MANUAL_DESTROY mov ecx, MANUAL_DESTROY
@ -77,8 +74,8 @@ proc TCP_timer_640ms ; TODO: implement timed wait timer!
add [TCP_sequence_num], 64000 add [TCP_sequence_num], 64000
; scan through all the active TCP sockets, decrementing ALL timers ; Scan through all the active TCP sockets, decrementing all active timers
; When a timer reaches zero, we'll check wheter it was active or not ; When a timer reaches zero, run its handler.
mov eax, net_sockets mov eax, net_sockets
.loop: .loop:
@ -95,22 +92,22 @@ proc TCP_timer_640ms ; TODO: implement timed wait timer!
inc [eax + TCP_SOCKET.t_idle] inc [eax + TCP_SOCKET.t_idle]
dec [eax + TCP_SOCKET.timer_retransmission]
jnz .check_more2
test [eax + TCP_SOCKET.timer_flags], timer_flag_retransmission test [eax + TCP_SOCKET.timer_flags], timer_flag_retransmission
jz .check_more2 jz .check_more2
dec [eax + TCP_SOCKET.timer_retransmission]
jnz .check_more2
DEBUGF DEBUG_NETWORK_VERBOSE, "socket %x: Retransmission timer expired\n", eax DEBUGF DEBUG_NETWORK_VERBOSE, "socket %x: Retransmission timer expired\n", eax
push eax push eax
call TCP_output call tcp_output
pop eax pop eax
.check_more2: .check_more2:
dec [eax + TCP_SOCKET.timer_keepalive]
jnz .check_more3
test [eax + TCP_SOCKET.timer_flags], timer_flag_keepalive test [eax + TCP_SOCKET.timer_flags], timer_flag_keepalive
jz .check_more3 jz .check_more3
dec [eax + TCP_SOCKET.timer_keepalive]
jnz .check_more3
DEBUGF DEBUG_NETWORK_VERBOSE, "socket %x: Keepalive expired\n", eax DEBUGF DEBUG_NETWORK_VERBOSE, "socket %x: Keepalive expired\n", eax
@ -118,7 +115,7 @@ proc TCP_timer_640ms ; TODO: implement timed wait timer!
ja .dont_kill ja .dont_kill
push eax push eax
call TCP_disconnect call tcp_disconnect
pop eax pop eax
jmp .loop jmp .loop
@ -129,7 +126,7 @@ proc TCP_timer_640ms ; TODO: implement timed wait timer!
push eax push eax
mov ebx, eax mov ebx, eax
xor cl, cl xor cl, cl
call TCP_respond ; send keepalive call tcp_respond ; send keepalive
pop eax pop eax
mov [eax + TCP_SOCKET.timer_keepalive], TCP_time_keep_interval mov [eax + TCP_SOCKET.timer_keepalive], TCP_time_keep_interval
jmp .check_more3 jmp .check_more3
@ -138,38 +135,38 @@ proc TCP_timer_640ms ; TODO: implement timed wait timer!
mov [eax + TCP_SOCKET.timer_keepalive], TCP_time_keep_idle mov [eax + TCP_SOCKET.timer_keepalive], TCP_time_keep_idle
.check_more3: .check_more3:
dec [eax + TCP_SOCKET.timer_timed_wait]
jnz .check_more5
test [eax + TCP_SOCKET.timer_flags], timer_flag_2msl test [eax + TCP_SOCKET.timer_flags], timer_flag_2msl
jz .check_more5 jz .check_more5
dec [eax + TCP_SOCKET.timer_timed_wait]
jnz .check_more5
DEBUGF DEBUG_NETWORK_VERBOSE, "socket %x: 2MSL timer expired\n", eax DEBUGF DEBUG_NETWORK_VERBOSE, "socket %x: 2MSL timer expired\n", eax
.check_more5: .check_more5:
dec [eax + TCP_SOCKET.timer_persist]
jnz .check_more6
test [eax + TCP_SOCKET.timer_flags], timer_flag_persist test [eax + TCP_SOCKET.timer_flags], timer_flag_persist
jz .check_more6 jz .check_more6
dec [eax + TCP_SOCKET.timer_persist]
jnz .check_more6
DEBUGF DEBUG_NETWORK_VERBOSE, "socket %x: persist timer expired\n", eax DEBUGF DEBUG_NETWORK_VERBOSE, "socket %x: persist timer expired\n", eax
call TCP_set_persist call tcp_set_persist
mov [eax + TCP_SOCKET.t_force], 1 mov [eax + TCP_SOCKET.t_force], 1
push eax push eax
call TCP_output call tcp_output
pop eax pop eax
mov [eax + TCP_SOCKET.t_force], 0 mov [eax + TCP_SOCKET.t_force], 0
.check_more6: .check_more6:
dec [eax + TCP_SOCKET.timer_timed_wait]
jnz .loop
test [eax + TCP_SOCKET.timer_flags], timer_flag_wait test [eax + TCP_SOCKET.timer_flags], timer_flag_wait
jz .loop jz .loop
dec [eax + TCP_SOCKET.timer_timed_wait]
jnz .loop
DEBUGF DEBUG_NETWORK_VERBOSE, "socket %x: timed wait timer expired\n", eax DEBUGF DEBUG_NETWORK_VERBOSE, "socket %x: timed wait timer expired\n", eax
push [eax + SOCKET.NextPtr] push [eax + SOCKET.NextPtr]
call TCP_close call tcp_close
pop eax pop eax
jmp .check_only jmp .check_only
@ -187,7 +184,7 @@ endp
; ; ; ;
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
align 4 align 4
TCP_cancel_timers: tcp_cancel_timers:
mov [eax + TCP_SOCKET.timer_flags], 0 mov [eax + TCP_SOCKET.timer_flags], 0

28
kernel/trunk/network/tcp_usreq.inc
View File

@ -19,7 +19,7 @@ $Revision$
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
; ; ; ;
; TCP_usrclosed ; ; tcp_usrclosed ;
; ; ; ;
; IN: eax = socket ptr ; ; IN: eax = socket ptr ;
; ; ; ;
@ -27,7 +27,7 @@ $Revision$
; ; ; ;
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
align 4 align 4
TCP_usrclosed: tcp_usrclosed:
DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_usrclosed: %x\n", eax DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_usrclosed: %x\n", eax
@ -51,7 +51,7 @@ TCP_usrclosed:
.close: .close:
mov [eax + TCP_SOCKET.t_state], TCPS_CLOSED mov [eax + TCP_SOCKET.t_state], TCPS_CLOSED
call TCP_close call tcp_close
pop ebx pop ebx
ret ret
@ -66,7 +66,7 @@ TCP_usrclosed:
ret ret
.disc: .disc:
call SOCKET_is_disconnected call socket_is_disconnected
.ret: .ret:
pop ebx pop ebx
ret ret
@ -74,7 +74,7 @@ TCP_usrclosed:
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
; ; ; ;
; TCP_connect ; ; tcp_connect ;
; ; ; ;
; IN: eax = socket ptr ; ; IN: eax = socket ptr ;
; ; ; ;
@ -84,7 +84,7 @@ TCP_usrclosed:
; ; ; ;
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
align 4 align 4
TCP_connect: tcp_connect:
test [eax + SOCKET.state], SS_ISCONNECTED test [eax + SOCKET.state], SS_ISCONNECTED
jnz .eisconn jnz .eisconn
@ -112,7 +112,7 @@ TCP_connect:
; Find a local port, if user didnt define one ; Find a local port, if user didnt define one
cmp [eax + TCP_SOCKET.LocalPort], 0 cmp [eax + TCP_SOCKET.LocalPort], 0
jne @f jne @f
call SOCKET_find_port call socket_find_port
@@: @@:
; Start the TCP sequence ; Start the TCP sequence
@ -124,16 +124,16 @@ TCP_connect:
pop [eax + TCP_SOCKET.ISS] pop [eax + TCP_SOCKET.ISS]
mov [eax + TCP_SOCKET.timer_keepalive], TCP_time_keep_init mov [eax + TCP_SOCKET.timer_keepalive], TCP_time_keep_init
TCP_sendseqinit eax tcp_sendseqinit eax
mov ebx, eax mov ebx, eax
lea eax, [ebx + STREAM_SOCKET.snd] lea eax, [ebx + STREAM_SOCKET.snd]
call SOCKET_ring_create call socket_ring_create
test eax, eax test eax, eax
jz .nomem jz .nomem
lea eax, [ebx + STREAM_SOCKET.rcv] lea eax, [ebx + STREAM_SOCKET.rcv]
call SOCKET_ring_create call socket_ring_create
test eax, eax test eax, eax
jz .nomem jz .nomem
@ -142,11 +142,11 @@ TCP_connect:
call mutex_unlock call mutex_unlock
pop eax pop eax
call SOCKET_is_connecting call socket_is_connecting
; Now send the SYN packet to remote end ; Now send the SYN packet to remote end
push eax push eax
call TCP_output call tcp_output
pop eax pop eax
.block: .block:
@ -183,14 +183,14 @@ TCP_connect:
cmp [eax + TCP_SOCKET.t_state], TCPS_ESTABLISHED cmp [eax + TCP_SOCKET.t_state], TCPS_ESTABLISHED
je .established je .established
call SOCKET_block call socket_block
jmp .loop jmp .loop
.timeout: .timeout:
mov eax, [esp+4] mov eax, [esp+4]
mov [eax + SOCKET.errorcode], ETIMEDOUT mov [eax + SOCKET.errorcode], ETIMEDOUT
and [eax + SOCKET.state], not SS_ISCONNECTING and [eax + SOCKET.state], not SS_ISCONNECTING
call SOCKET_notify call socket_notify
ret 4 ret 4
.fail: .fail:

44
kernel/trunk/network/udp.inc
View File

@ -38,10 +38,10 @@ endg
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
; ; ; ;
; UDP_init: This function resets all UDP variables ; ; udp_init: This function resets all UDP variables ;
; ; ; ;
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
macro UDP_init { macro udp_init {
xor eax, eax xor eax, eax
mov edi, UDP_PACKETS_TX mov edi, UDP_PACKETS_TX
@ -50,7 +50,7 @@ macro UDP_init {
} }
macro UDP_checksum IP1, IP2 { ; esi = ptr to udp packet, ecx = packet size, destroys: ecx, edx macro udp_checksum IP1, IP2 { ; esi = ptr to udp packet, ecx = packet size, destroys: ecx, edx
; Pseudoheader ; Pseudoheader
mov edx, IP_PROTO_UDP mov edx, IP_PROTO_UDP
@ -98,7 +98,7 @@ macro UDP_checksum IP1, IP2 { ; esi = ptr to udp packet, ecx = packet size
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
; ; ; ;
; UDP_input: Inject the UDP data in the application sockets. ; ; udp_input: Inject the UDP data in the application sockets. ;
; ; ; ;
; IN: [esp] = ptr to buffer ; ; IN: [esp] = ptr to buffer ;
; ebx = ptr to device struct ; ; ebx = ptr to device struct ;
@ -111,7 +111,7 @@ macro UDP_checksum IP1, IP2 { ; esi = ptr to udp packet, ecx = packet size
; ; ; ;
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
align 4 align 4
UDP_input: udp_input:
DEBUGF DEBUG_NETWORK_VERBOSE, "UDP_input: size=%u\n", ecx DEBUGF DEBUG_NETWORK_VERBOSE, "UDP_input: size=%u\n", ecx
@ -123,7 +123,7 @@ UDP_input:
; otherwise, we will re-calculate the checksum and add it to this value, thus creating 0 when it is correct ; otherwise, we will re-calculate the checksum and add it to this value, thus creating 0 when it is correct
mov eax, edx mov eax, edx
UDP_checksum (eax+IPv4_header.SourceAddress), (eax+IPv4_header.DestinationAddress) udp_checksum (eax+IPv4_header.SourceAddress), (eax+IPv4_header.DestinationAddress)
jnz .checksum_mismatch jnz .checksum_mismatch
.no_checksum: .no_checksum:
@ -194,7 +194,7 @@ UDP_input:
sub ecx, sizeof.UDP_header sub ecx, sizeof.UDP_header
add esi, sizeof.UDP_header add esi, sizeof.UDP_header
jmp SOCKET_input jmp socket_input
.updateport: .updateport:
pusha pusha
@ -220,14 +220,14 @@ UDP_input:
.dump: .dump:
DEBUGF DEBUG_NETWORK_VERBOSE, "UDP_input: dumping\n" DEBUGF DEBUG_NETWORK_VERBOSE, "UDP_input: dumping\n"
call NET_BUFF_free call net_buff_free
ret ret
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
; ; ; ;
; UDP_output: Create an UDP packet. ; ; udp_output: Create an UDP packet. ;
; ; ; ;
; IN: eax = socket pointer ; ; IN: eax = socket pointer ;
; ecx = number of bytes to send ; ; ecx = number of bytes to send ;
@ -238,7 +238,7 @@ UDP_input:
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
align 4 align 4
UDP_output: udp_output:
DEBUGF DEBUG_NETWORK_VERBOSE, "UDP_output: socket=%x bytes=%u data_ptr=%x\n", eax, ecx, esi DEBUGF DEBUG_NETWORK_VERBOSE, "UDP_output: socket=%x bytes=%u data_ptr=%x\n", eax, ecx, esi
@ -256,7 +256,7 @@ UDP_output:
mov al, [eax + IP_SOCKET.ttl] mov al, [eax + IP_SOCKET.ttl]
mov ah, IP_PROTO_UDP mov ah, IP_PROTO_UDP
add ecx, sizeof.UDP_header add ecx, sizeof.UDP_header
call IPv4_output call ipv4_output
jz .fail jz .fail
mov [esp + 8], eax ; pointer to buffer start mov [esp + 8], eax ; pointer to buffer start
@ -279,13 +279,13 @@ UDP_output:
; Checksum ; Checksum
mov esi, edi mov esi, edi
mov [edi + UDP_header.Checksum], 0 mov [edi + UDP_header.Checksum], 0
UDP_checksum (edi-4), (edi-8) ; FIXME: IPv4 packet could have options.. udp_checksum (edi-4), (edi-8) ; FIXME: IPv4 packet could have options..
DEBUGF DEBUG_NETWORK_VERBOSE, "UDP_output: sending with device %x\n", ebx DEBUGF DEBUG_NETWORK_VERBOSE, "UDP_output: sending with device %x\n", ebx
call [ebx + NET_DEVICE.transmit] call [ebx + NET_DEVICE.transmit]
test eax, eax test eax, eax
jnz @f jnz @f
call NET_ptr_to_num4 call net_ptr_to_num4
inc [UDP_PACKETS_TX + edi] inc [UDP_PACKETS_TX + edi]
@@: @@:
@ -302,7 +302,7 @@ UDP_output:
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
; ; ; ;
; UDP_connect ; ; udp_connect ;
; ; ; ;
; IN: eax = socket pointer ; ; IN: eax = socket pointer ;
; ; ; ;
@ -312,11 +312,11 @@ UDP_output:
; ; ; ;
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
align 4 align 4
UDP_connect: udp_connect:
test [eax + SOCKET.state], SS_ISCONNECTED test [eax + SOCKET.state], SS_ISCONNECTED
jz @f jz @f
call UDP_disconnect call udp_disconnect
@@: @@:
push eax edx push eax edx
@ -340,7 +340,7 @@ UDP_connect:
; Find a local port, if user didnt define one ; Find a local port, if user didnt define one
cmp [eax + UDP_SOCKET.LocalPort], 0 cmp [eax + UDP_SOCKET.LocalPort], 0
jne @f jne @f
call SOCKET_find_port call socket_find_port
@@: @@:
push eax push eax
@ -348,7 +348,7 @@ UDP_connect:
call mutex_unlock call mutex_unlock
pop eax pop eax
call SOCKET_is_connected call socket_is_connected
xor eax, eax xor eax, eax
ret ret
@ -364,11 +364,11 @@ UDP_connect:
; ; ; ;
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
align 4 align 4
UDP_disconnect: udp_disconnect:
; TODO: remove the pending received data ; TODO: remove the pending received data
call SOCKET_is_disconnected call socket_is_disconnected
ret ret
@ -378,7 +378,7 @@ UDP_disconnect:
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
; ; ; ;
; UDP_api: This function is called by system function 76 ; ; UDP_api: Part of system function 76 ;
; ; ; ;
; IN: bl = subfunction number in bl ; ; IN: bl = subfunction number in bl ;
; bh = device number in bh ; ; bh = device number in bh ;
@ -388,7 +388,7 @@ UDP_disconnect:
; ; ; ;
;-----------------------------------------------------------------; ;-----------------------------------------------------------------;
align 4 align 4
UDP_api: udp_api:
movzx eax, bh movzx eax, bh
shl eax, 2 shl eax, 2