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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_hc_func, 'USBHCFunc', \
\
NET_add_device, 'NetRegDev', \
NET_remove_device, 'NetUnRegDev', \
NET_ptr_to_num, 'NetPtrToNum', \
NET_link_changed, 'NetLinkChanged', \
ETH_input, 'EthInput', \
NET_BUFF_alloc, 'NetAlloc', \
NET_BUFF_free, 'NetFree', \
net_add_device, 'NetRegDev', \
net_remove_device, 'NetUnRegDev', \
net_ptr_to_num, 'NetPtrToNum', \
net_link_changed, 'NetLinkChanged', \
eth_input, 'EthInput', \
net_buff_alloc, 'NetAlloc', \
net_buff_free, 'NetFree', \
\
get_pcidev_list, 'GetPCIList', \
\

4
kernel/trunk/kernel.asm
View File

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

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

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

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

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

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

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

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

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

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

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

131
kernel/trunk/network/icmp.inc
View File

@ -85,7 +85,6 @@ ICMP_PHOTURIS_AUTH_FAILED = 2 ; auth failed
ICMP_PHOTURIS_DECRYPT_FAILED = 3 ; decrypt failed
struct ICMP_header
Type db ?
@ -107,13 +106,13 @@ endg
;-----------------------------------------------------------------
;
; ICMP_init
;
;-----------------------------------------------------------------
;-----------------------------------------------------------------;
; ;
; ICMP_init ;
; ;
;-----------------------------------------------------------------;
macro ICMP_init {
macro icmp_init {
xor eax, eax
mov edi, ICMP_PACKETS_TX
@ -123,25 +122,23 @@ macro ICMP_init {
}
;-----------------------------------------------------------------
;
; ICMP_input:
;
; This procedure will send reply's to ICMP echo's
; and insert packets into sockets when needed
;
; IN: Pointer to buffer in [esp]
; ebx = pointer to device struct
; ecx = ICMP Packet size
; edx = ptr to IPv4 header
; esi = ptr to ICMP Packet data
; edi = interface number*4
;
; OUT: /
;
;-----------------------------------------------------------------
;-----------------------------------------------------------------;
; ;
; icmp_input: Send a reply's to an ICMP echo or insert packets ;
; into socket. ;
; ;
; IN: [esp] = ptr to buffer ;
; ebx = ptr to device struct ;
; ecx = ICMP Packet size ;
; edx = ptr to IPv4 header ;
; esi = ptr to ICMP Packet data ;
; edi = interface number*4 ;
; ;
; OUT: / ;
; ;
;-----------------------------------------------------------------;
align 4
ICMP_input:
icmp_input:
DEBUGF DEBUG_NETWORK_VERBOSE, "ICMP_input\n"
@ -204,7 +201,7 @@ ICMP_input:
call mutex_lock
popa
jmp SOCKET_input
jmp socket_input
@ -274,7 +271,7 @@ ICMP_input:
test eax, eax
jnz @f
DEBUGF DEBUG_NETWORK_VERBOSE, "ICMP transmit failed\n"
call NET_ptr_to_num4
call net_ptr_to_num4
inc [ICMP_PACKETS_TX + edi]
@@:
ret
@ -293,26 +290,26 @@ ICMP_input:
.dump:
DEBUGF DEBUG_NETWORK_VERBOSE, "ICMP_input: dumping\n"
call NET_BUFF_free
call net_buff_free
ret
if 0
;-----------------------------------------------------------------
;
; ICMP_output
;
; IN: eax = dest ip
; bh = type
; bl = code
; ecx = data length
; edx = source ip
; esi = data offset
; edi = identifier shl 16 + sequence number
;
;-----------------------------------------------------------------
;-----------------------------------------------------------------;
; ;
; icmp_output ;
; ;
; IN: eax = dest ip ;
; bh = type ;
; bl = code ;
; ecx = data length ;
; edx = source ip ;
; esi = data offset ;
; edi = identifier shl 16 + sequence number ;
; ;
;-----------------------------------------------------------------;
align 4
ICMP_output:
icmp_output:
DEBUGF DEBUG_NETWORK_VERBOSE, "Creating ICMP Packet\n"
@ -364,17 +361,17 @@ end if
;-----------------------------------------------------------------
;
; ICMP_output_raw
;
; IN: eax = socket ptr
; ecx = data length
; edx = data pointer
;
;-----------------------------------------------------------------
;-----------------------------------------------------------------;
; ;
; icmp_output_raw ;
; ;
; IN: eax = socket ptr ;
; ecx = data length ;
; edx = data pointer ;
; ;
;-----------------------------------------------------------------;
align 4
ICMP_output_raw:
icmp_output_raw:
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 al, [eax + IP_SOCKET.ttl]
mov ah, IP_PROTO_ICMP
call IPv4_output
call ipv4_output
jz .fail
pop esi
@ -407,7 +404,7 @@ ICMP_output_raw:
call [ebx + NET_DEVICE.transmit]
test eax, eax
jnz @f
call NET_ptr_to_num4
call net_ptr_to_num4
inc [ICMP_PACKETS_TX + edi]
@@:
ret
@ -422,21 +419,19 @@ ICMP_output_raw:
;-----------------------------------------------------------------
;
; ICMP_API
;
; This function is called by system function 75
;
; IN: subfunction number in bl
; device number in bh
; ecx, edx, .. depends on subfunction
;
; OUT:
;
;-----------------------------------------------------------------
;-----------------------------------------------------------------;
; ;
; icmp_api: Part of system function 76. ;
; ;
; IN: bl = subfunction number ;
; bh = device number ;
; ecx, edx, .. depends on subfunction ;
; ;
; OUT: depends on subfunction ;
; ;
;-----------------------------------------------------------------;
align 4
ICMP_api:
icmp_api:
movzx eax, bh
shl eax, 2

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

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

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

File diff suppressed because it is too large Load Diff

249
kernel/trunk/network/stack.inc
View File

@ -258,16 +258,14 @@ align 4
endg
;-----------------------------------------------------------------
;
; stack_init
;
; This function calls all network init procedures
;
; IN: /
; OUT: /
;
;-----------------------------------------------------------------
;-----------------------------------------------------------------;
; ;
; stack_init: Initialize all network variables ;
; ;
; IN: / ;
; OUT: / ;
; ;
;-----------------------------------------------------------------;
align 4
stack_init:
@ -294,21 +292,21 @@ stack_init:
mov ecx, (NET_DEVICES_MAX + 1)
rep stosd
ETH_init
eth_init
PPPoE_init
pppoe_init
IPv4_init
; IPv6_init
ICMP_init
ipv4_init
; ipv6_init
icmp_init
ARP_init
UDP_init
TCP_init
arp_init
udp_init
tcp_init
SOCKET_init
socket_init
LOOP_init
loop_init
mov [net_tmr_count], 0
ret
@ -329,16 +327,14 @@ proc stack_handler_has_work?
endp
;-----------------------------------------------------------------
;
; stack_handler
;
; This function is called in kernel loop
;
; IN: /
; OUT: /
;
;-----------------------------------------------------------------
;-----------------------------------------------------------------;
; ;
; stack_handler: Network handlers called from os_loop. ;
; ;
; IN: / ;
; OUT: / ;
; ;
;-----------------------------------------------------------------;
align 4
stack_handler:
@ -354,13 +350,13 @@ stack_handler:
test [net_10ms], 0x0f ; 160ms
jnz .exit
TCP_timer_160ms
tcp_timer_160ms
test [net_10ms], 0x3f ; 640ms
jnz .exit
ARP_decrease_entry_ttls
IPv4_decrease_fragment_ttls
arp_decrease_entry_ttls
ipv4_decrease_fragment_ttls
xor edx, edx
mov eax, [TCP_timer1_event]
@ -373,7 +369,8 @@ stack_handler:
align 4
proc NET_BUFF_alloc stdcall, buffersize
proc net_buff_alloc stdcall, buffersize
cmp [buffersize], NET_BUFFER_SIZE
ja .too_large
@ -387,27 +384,27 @@ proc NET_BUFF_alloc stdcall, buffersize
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
.out_of_mem:
spin_unlock_irqrestore
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
.too_large:
xor eax, eax
DEBUGF DEBUG_NETWORK_ERROR, "NET_BUFF_alloc: too large!\n"
DEBUGF DEBUG_NETWORK_ERROR, "net_buff_alloc: too large!\n"
ret
endp
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
@ -423,14 +420,14 @@ endp
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
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
push edi ecx
@ -446,21 +443,20 @@ NET_send_event:
;-----------------------------------------------------------------
;
; NET_add_device:
;
; This function is called by the network drivers,
; to register each running NIC to the kernel
;
; IN: Pointer to device structure in ebx
; OUT: Device num in eax, -1 on error
;
;-----------------------------------------------------------------
;-----------------------------------------------------------------;
; ;
; net_add_device: Called by network driver to register interface. ;
; ;
; IN: ebx = ptr to device structure ;
; ;
; OUT: eax = device num on success ;
; eax = -1 on error ;
; ;
;-----------------------------------------------------------------;
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
jae .error
@ -495,7 +491,7 @@ NET_add_device:
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
ret
@ -507,19 +503,17 @@ NET_add_device:
;-----------------------------------------------------------------
;
; NET_Remove_Device:
;
; This function is called by network drivers,
; to unregister network devices from the kernel
;
; IN: Pointer to device structure in ebx
; OUT: eax: -1 on error
;
;-----------------------------------------------------------------
;-----------------------------------------------------------------;
; ;
; net_remove_device: Called by network driver to unregister dev. ;
; ;
; IN: ebx = ptr to device ;
; ;
; OUT: eax: -1 on error ;
; ;
;-----------------------------------------------------------------;
align 4
NET_remove_device:
net_remove_device:
cmp [NET_RUNNING], 0
je .error
@ -541,7 +535,7 @@ NET_remove_device:
mov dword [edi-4], eax
dec [NET_RUNNING]
call NET_send_event
call net_send_event
xor eax, eax
ret
@ -552,25 +546,27 @@ NET_remove_device:
;-----------------------------------------------------------------
;
; NET_ptr_to_num
;
; IN: ebx = ptr to device struct
; OUT: edi = -1 on error, device number otherwise
;
;-----------------------------------------------------------------
;-----------------------------------------------------------------;
; ;
; net_ptr_to_num ;
; ;
; IN: ebx = ptr to device struct ;
; ;
; OUT: edi = device number ;
; edi = -1 on error ;
; ;
;-----------------------------------------------------------------;
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
; valid device numbers have last two bits 0, so do just shr
ret
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
jz .fail
@ -595,21 +591,17 @@ NET_ptr_to_num4: ; Todo, place number in device structure so we o
pop ecx
ret
;-----------------------------------------------------------------
;
; checksum_1
;
; This is the first of two functions needed to calculate a checksum.
;
; IN: edx = start offset for semi-checksum
; esi = pointer to data
; ecx = data size
; OUT: edx = semi-checksum
;
;
; Code was optimized by diamond
;
;-----------------------------------------------------------------
;-----------------------------------------------------------------;
; ;
; checksum_1: Calculate semi-checksum for network packets. ;
; ;
; IN: edx = start offset for semi-checksum ;
; esi = pointer to data ;
; ecx = data size ;
; ;
; OUT: edx = semi-checksum ;
; ;
;-----------------------------------------------------------------;
align 4
checksum_1:
@ -679,16 +671,15 @@ checksum_1:
.end:
ret
;-----------------------------------------------------------------
;
; checksum_2
;
; This function calculates the final ip/tcp/udp checksum for you
;
; IN: edx = semi-checksum
; OUT: dx = checksum (in INET byte order)
;
;-----------------------------------------------------------------
;-----------------------------------------------------------------;
; ;
; checksum_2: Calculate the final ip/tcp/udp checksum. ;
; ;
; IN: edx = semi-checksum ;
; ;
; OUT: dx = checksum (in INET byte order) ;
; ;
;-----------------------------------------------------------------;
align 4
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
sys_network:
@ -736,7 +727,7 @@ sys_network:
and esi, 0x0000ff00
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
mov eax, [esi + NET_DRV_LIST]
@ -809,16 +800,16 @@ sys_network:
ret
.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 eax, dword [eax + NET_DEVICE.bytes_tx]
mov eax, dword[eax + NET_DEVICE.bytes_tx]
mov [esp+32], eax
ret
.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 eax, dword [eax + NET_DEVICE.bytes_rx]
mov eax, dword[eax + NET_DEVICE.bytes_rx]
mov [esp+32], eax
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
sys_protocols:
cmp bh, NET_DEVICES_MAX ; Check if device number exists
@ -856,28 +847,28 @@ sys_protocols:
shr eax, 16 ;
cmp ax, API_ETH
je ETH_api
je eth_api
cmp ax, API_IPv4
je IPv4_api
je ipv4_api
cmp ax, API_ICMP
je ICMP_api
je icmp_api
cmp ax, API_UDP
je UDP_api
je udp_api
cmp ax, API_TCP
je TCP_api
je tcp_api
cmp ax, API_ARP
je ARP_api
je arp_api
cmp ax, API_PPPOE
je PPPoE_api
je pppoe_api
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

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

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

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

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

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

@ -18,7 +18,7 @@ $Revision$
;-----------------------------------------------------------------;
; ;
; TCP_output ;
; tcp_output ;
; ;
; IN: eax = socket pointer ;
; ;
@ -26,7 +26,7 @@ $Revision$
; ;
;-----------------------------------------------------------------;
align 4
proc TCP_output
proc tcp_output
locals
temp_bits db ?
@ -72,7 +72,7 @@ endl
mov ecx, [eax + TCP_SOCKET.SND_CWND] ;
@@: ;
call TCP_outflags ; flags in dl
call tcp_outflags ; flags in dl
;------------------------
; data being forced out ?
@ -279,7 +279,7 @@ endl
DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_output: Entering persist state\n"
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 al, [eax + IP_SOCKET.ttl]
mov ah, IP_PROTO_TCP
call IPv4_output
call ipv4_output
jz .ip_error
;------------------------------------------
@ -549,7 +549,7 @@ endl
add [eax + TCP_SOCKET.SND_NXT], ecx ; update sequence number
sub edx, [eax + TCP_SOCKET.SND_UNA] ; offset
add eax, STREAM_SOCKET.snd
call SOCKET_ring_read
call socket_ring_read
.nodata:
pop edi
pop esi ; begin of data
@ -606,7 +606,7 @@ endl
test [ebx + NET_DEVICE.hwacc], NET_HWACC_TCP_IPv4_OUT
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:
mov [esi + TCP_header.Checksum], dx
@ -624,7 +624,7 @@ endl
pop ecx
pop eax
call NET_ptr_to_num4
call net_ptr_to_num4
inc [TCP_segments_tx + edi]
inc [TCPS_sndtotal]
@ -658,7 +658,7 @@ endl
; Check if we need more output
test [temp_bits], TCP_BIT_SENDALOT
jnz TCP_output.again
jnz tcp_output.again
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
endg
macro TCP_checksum IP1, IP2 {
macro tcp_checksum IP1, IP2 {
;-------------
; 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 [ptr + TCP_SOCKET.SND_UP], 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
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_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 = ? ;
; ebx = socket ptr ;
@ -116,9 +116,9 @@ macro TCP_init_socket socket {
; ;
;-----------------------------------------------------------------;
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
@ -128,7 +128,7 @@ TCP_pull_out_of_band:
;-----------------------------------------------------------------;
; ;
; TCP_drop ;
; tcp_drop ;
; ;
; IN: eax = socket ptr ;
; ebx = error number ;
@ -137,9 +137,9 @@ TCP_pull_out_of_band:
; ;
;-----------------------------------------------------------------;
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
jb .no_syn_received
@ -147,12 +147,12 @@ TCP_drop: ; FIXME CHECKME TODO
mov [eax + TCP_SOCKET.t_state], TCPS_CLOSED
push eax
call TCP_output
call tcp_output
pop eax
;;; TODO: update stats
jmp TCP_close
jmp tcp_close
.no_syn_received:
@ -167,7 +167,7 @@ TCP_drop: ; FIXME CHECKME TODO
;-----------------------------------------------------------------;
; ;
; TCP_disconnect ;
; tcp_disconnect ;
; ;
; IN: eax = socket ptr ;
; ;
@ -175,22 +175,22 @@ TCP_drop: ; FIXME CHECKME TODO
; ;
;-----------------------------------------------------------------;
align 4
TCP_disconnect:
tcp_disconnect:
DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_disconnect: %x\n", eax
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
call SOCKET_is_disconnecting
call TCP_usrclosed
call socket_is_disconnecting
call tcp_usrclosed
test eax, eax
jz @f
push eax
call TCP_output
call tcp_output
pop eax
@@:
ret
@ -198,7 +198,7 @@ TCP_disconnect:
;-----------------------------------------------------------------;
; ;
; TCP_close ;
; tcp_close ;
; ;
; IN: eax = socket ptr ;
; ;
@ -206,15 +206,15 @@ TCP_disconnect:
; ;
;-----------------------------------------------------------------;
align 4
TCP_close:
tcp_close:
DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_close: %x\n", eax
;;; TODO: update RTT and mean deviation
;;; TODO: update slow start threshold
call SOCKET_is_disconnected
call SOCKET_free
call socket_is_disconnected
call socket_free
xor eax, eax
ret
@ -223,7 +223,7 @@ TCP_close:
;-----------------------------------------------------------------;
; ;
; TCP_outflags ;
; tcp_outflags ;
; ;
; IN: eax = socket ptr ;
; ;
@ -231,10 +231,10 @@ TCP_close:
; ;
;-----------------------------------------------------------------;
align 4
TCP_outflags:
tcp_outflags:
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
@ -270,7 +270,7 @@ TCP_outflags:
; ;
;-----------------------------------------------------------------;
align 4
TCP_respond:
tcp_respond:
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 ecx, sizeof.TCP_header
mov ebx, [ebx + IP_SOCKET.device]
call IPv4_output
call ipv4_output
jz .error
pop esi cx
push eax
@ -320,7 +320,7 @@ TCP_respond:
sub edi, sizeof.TCP_header
mov ecx, sizeof.TCP_header
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
;--------------------
@ -329,7 +329,7 @@ TCP_respond:
call [ebx + NET_DEVICE.transmit]
test eax, eax
jnz @f
call NET_ptr_to_num4
call net_ptr_to_num4
inc [TCP_segments_tx + edi]
@@:
ret
@ -343,7 +343,7 @@ TCP_respond:
;-----------------------------------------------------------------;
; ;
; TCP_respond_segment ;
; tcp_respond_segment ;
; ;
; IN: ebx = device ptr ;
; edx = segment ptr (a previously received segment) ;
@ -354,7 +354,7 @@ TCP_respond:
; ;
;-----------------------------------------------------------------;
align 4
TCP_respond_segment:
tcp_respond_segment:
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 ecx, sizeof.TCP_header
mov ax, IP_PROTO_TCP shl 8 + 128
call IPv4_output
call ipv4_output
jz .error
pop esi cx
@ -399,7 +399,7 @@ TCP_respond_segment:
lea esi, [edi - 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)
mov [esi + TCP_header.Checksum], dx
@ -409,7 +409,7 @@ TCP_respond_segment:
call [ebx + NET_DEVICE.transmit]
test eax, eax
jnz @f
call NET_ptr_to_num4
call net_ptr_to_num4
inc [TCP_segments_tx + edi]
@@:
ret
@ -421,7 +421,7 @@ TCP_respond_segment:
ret
macro TCPT_RANGESET timer, value, min, max {
macro tcpt_rangeset timer, value, min, max {
local .min
local .max
@ -448,11 +448,11 @@ local .done
;-----------------------------------------------------------------;
; ;
; TCP_set_persist ;
; tcp_set_persist ;
; ;
;-----------------------------------------------------------------;
align 4
TCP_set_persist:
tcp_set_persist:
DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_set_persist\n"
@ -473,7 +473,7 @@ TCP_set_persist:
; 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
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 ;
; ebx = socket ptr ;
@ -498,7 +498,7 @@ TCP_set_persist:
; ;
;-----------------------------------------------------------------;
align 4
TCP_xmit_timer:
tcp_xmit_timer:
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 ;
; ebx = socket ptr ;
@ -572,7 +572,7 @@ TCP_xmit_timer:
; ;
;-----------------------------------------------------------------;
align 4
TCP_mss:
tcp_mss:
cmp eax, 1420 ; FIXME
jbe @f
@ -587,7 +587,7 @@ TCP_mss:
;-----------------------------------------------------------------;
; ;
; TCP_reassemble ;
; tcp_reassemble ;
; ;
; IN: ebx = socket ptr ;
; edx = segment ptr ;
@ -596,7 +596,7 @@ TCP_mss:
; ;
;-----------------------------------------------------------------;
align 4
TCP_reassemble:
tcp_reassemble:
;;;;; 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
macro TCP_timer_160ms {
macro tcp_timer_160ms {
local .loop
local .exit
@ -45,10 +45,7 @@ local .exit
push ebx
mov cl, TH_ACK
call TCP_respond
; and [ebx + TCP_SOCKET.t_flags], TF_ACKNOW ;;
; mov eax, ebx ;;
; call TCP_output ;;
call tcp_respond
pop ebx
inc [TCPS_delack] ; update stats
@ -61,7 +58,7 @@ local .exit
align 4
proc TCP_timer_640ms ; TODO: implement timed wait timer!
proc tcp_timer_640ms
xor esi, esi
mov ecx, MANUAL_DESTROY
@ -77,8 +74,8 @@ proc TCP_timer_640ms ; TODO: implement timed wait timer!
add [TCP_sequence_num], 64000
; scan through all the active TCP sockets, decrementing ALL timers
; When a timer reaches zero, we'll check wheter it was active or not
; Scan through all the active TCP sockets, decrementing all active timers
; When a timer reaches zero, run its handler.
mov eax, net_sockets
.loop:
@ -95,22 +92,22 @@ proc TCP_timer_640ms ; TODO: implement timed wait timer!
inc [eax + TCP_SOCKET.t_idle]
dec [eax + TCP_SOCKET.timer_retransmission]
jnz .check_more2
test [eax + TCP_SOCKET.timer_flags], timer_flag_retransmission
jz .check_more2
dec [eax + TCP_SOCKET.timer_retransmission]
jnz .check_more2
DEBUGF DEBUG_NETWORK_VERBOSE, "socket %x: Retransmission timer expired\n", eax
push eax
call TCP_output
call tcp_output
pop eax
.check_more2:
dec [eax + TCP_SOCKET.timer_keepalive]
jnz .check_more3
test [eax + TCP_SOCKET.timer_flags], timer_flag_keepalive
jz .check_more3
dec [eax + TCP_SOCKET.timer_keepalive]
jnz .check_more3
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
push eax
call TCP_disconnect
call tcp_disconnect
pop eax
jmp .loop
@ -129,7 +126,7 @@ proc TCP_timer_640ms ; TODO: implement timed wait timer!
push eax
mov ebx, eax
xor cl, cl
call TCP_respond ; send keepalive
call tcp_respond ; send keepalive
pop eax
mov [eax + TCP_SOCKET.timer_keepalive], TCP_time_keep_interval
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
.check_more3:
dec [eax + TCP_SOCKET.timer_timed_wait]
jnz .check_more5
test [eax + TCP_SOCKET.timer_flags], timer_flag_2msl
jz .check_more5
dec [eax + TCP_SOCKET.timer_timed_wait]
jnz .check_more5
DEBUGF DEBUG_NETWORK_VERBOSE, "socket %x: 2MSL timer expired\n", eax
.check_more5:
dec [eax + TCP_SOCKET.timer_persist]
jnz .check_more6
test [eax + TCP_SOCKET.timer_flags], timer_flag_persist
jz .check_more6
dec [eax + TCP_SOCKET.timer_persist]
jnz .check_more6
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
push eax
call TCP_output
call tcp_output
pop eax
mov [eax + TCP_SOCKET.t_force], 0
.check_more6:
dec [eax + TCP_SOCKET.timer_timed_wait]
jnz .loop
test [eax + TCP_SOCKET.timer_flags], timer_flag_wait
jz .loop
dec [eax + TCP_SOCKET.timer_timed_wait]
jnz .loop
DEBUGF DEBUG_NETWORK_VERBOSE, "socket %x: timed wait timer expired\n", eax
push [eax + SOCKET.NextPtr]
call TCP_close
call tcp_close
pop eax
jmp .check_only
@ -187,7 +184,7 @@ endp
; ;
;-----------------------------------------------------------------;
align 4
TCP_cancel_timers:
tcp_cancel_timers:
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 ;
; ;
@ -27,7 +27,7 @@ $Revision$
; ;
;-----------------------------------------------------------------;
align 4
TCP_usrclosed:
tcp_usrclosed:
DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_usrclosed: %x\n", eax
@ -51,7 +51,7 @@ TCP_usrclosed:
.close:
mov [eax + TCP_SOCKET.t_state], TCPS_CLOSED
call TCP_close
call tcp_close
pop ebx
ret
@ -66,7 +66,7 @@ TCP_usrclosed:
ret
.disc:
call SOCKET_is_disconnected
call socket_is_disconnected
.ret:
pop ebx
ret
@ -74,7 +74,7 @@ TCP_usrclosed:
;-----------------------------------------------------------------;
; ;
; TCP_connect ;
; tcp_connect ;
; ;
; IN: eax = socket ptr ;
; ;
@ -84,7 +84,7 @@ TCP_usrclosed:
; ;
;-----------------------------------------------------------------;
align 4
TCP_connect:
tcp_connect:
test [eax + SOCKET.state], SS_ISCONNECTED
jnz .eisconn
@ -112,7 +112,7 @@ TCP_connect:
; Find a local port, if user didnt define one
cmp [eax + TCP_SOCKET.LocalPort], 0
jne @f
call SOCKET_find_port
call socket_find_port
@@:
; Start the TCP sequence
@ -124,16 +124,16 @@ TCP_connect:
pop [eax + TCP_SOCKET.ISS]
mov [eax + TCP_SOCKET.timer_keepalive], TCP_time_keep_init
TCP_sendseqinit eax
tcp_sendseqinit eax
mov ebx, eax
lea eax, [ebx + STREAM_SOCKET.snd]
call SOCKET_ring_create
call socket_ring_create
test eax, eax
jz .nomem
lea eax, [ebx + STREAM_SOCKET.rcv]
call SOCKET_ring_create
call socket_ring_create
test eax, eax
jz .nomem
@ -142,11 +142,11 @@ TCP_connect:
call mutex_unlock
pop eax
call SOCKET_is_connecting
call socket_is_connecting
; Now send the SYN packet to remote end
push eax
call TCP_output
call tcp_output
pop eax
.block:
@ -183,14 +183,14 @@ TCP_connect:
cmp [eax + TCP_SOCKET.t_state], TCPS_ESTABLISHED
je .established
call SOCKET_block
call socket_block
jmp .loop
.timeout:
mov eax, [esp+4]
mov [eax + SOCKET.errorcode], ETIMEDOUT
and [eax + SOCKET.state], not SS_ISCONNECTING
call SOCKET_notify
call socket_notify
ret 4
.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
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
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 ;
; ebx = ptr to device struct ;
@ -111,7 +111,7 @@ macro UDP_checksum IP1, IP2 { ; esi = ptr to udp packet, ecx = packet size
; ;
;-----------------------------------------------------------------;
align 4
UDP_input:
udp_input:
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
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
.no_checksum:
@ -194,7 +194,7 @@ UDP_input:
sub ecx, sizeof.UDP_header
add esi, sizeof.UDP_header
jmp SOCKET_input
jmp socket_input
.updateport:
pusha
@ -220,14 +220,14 @@ UDP_input:
.dump:
DEBUGF DEBUG_NETWORK_VERBOSE, "UDP_input: dumping\n"
call NET_BUFF_free
call net_buff_free
ret
;-----------------------------------------------------------------;
; ;
; UDP_output: Create an UDP packet. ;
; udp_output: Create an UDP packet. ;
; ;
; IN: eax = socket pointer ;
; ecx = number of bytes to send ;
@ -238,7 +238,7 @@ UDP_input:
;-----------------------------------------------------------------;
align 4
UDP_output:
udp_output:
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 ah, IP_PROTO_UDP
add ecx, sizeof.UDP_header
call IPv4_output
call ipv4_output
jz .fail
mov [esp + 8], eax ; pointer to buffer start
@ -279,13 +279,13 @@ UDP_output:
; Checksum
mov esi, edi
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
call [ebx + NET_DEVICE.transmit]
test eax, eax
jnz @f
call NET_ptr_to_num4
call net_ptr_to_num4
inc [UDP_PACKETS_TX + edi]
@@:
@ -302,7 +302,7 @@ UDP_output:
;-----------------------------------------------------------------;
; ;
; UDP_connect ;
; udp_connect ;
; ;
; IN: eax = socket pointer ;
; ;
@ -312,11 +312,11 @@ UDP_output:
; ;
;-----------------------------------------------------------------;
align 4
UDP_connect:
udp_connect:
test [eax + SOCKET.state], SS_ISCONNECTED
jz @f
call UDP_disconnect
call udp_disconnect
@@:
push eax edx
@ -340,7 +340,7 @@ UDP_connect:
; Find a local port, if user didnt define one
cmp [eax + UDP_SOCKET.LocalPort], 0
jne @f
call SOCKET_find_port
call socket_find_port
@@:
push eax
@ -348,7 +348,7 @@ UDP_connect:
call mutex_unlock
pop eax
call SOCKET_is_connected
call socket_is_connected
xor eax, eax
ret
@ -364,11 +364,11 @@ UDP_connect:
; ;
;-----------------------------------------------------------------;
align 4
UDP_disconnect:
udp_disconnect:
; TODO: remove the pending received data
call SOCKET_is_disconnected
call socket_is_disconnected
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 ;
; bh = device number in bh ;
@ -388,7 +388,7 @@ UDP_disconnect:
; ;
;-----------------------------------------------------------------;
align 4
UDP_api:
udp_api:
movzx eax, bh
shl eax, 2