forked from KolibriOS/kolibrios
More TCP code updates for net branch, code is still very unstable
git-svn-id: svn://kolibrios.org@1318 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
parent
ddfdcfa285
commit
0e0b5fb665
@ -29,10 +29,10 @@ start:
|
||||
push 1
|
||||
call [con_start]
|
||||
push title
|
||||
push -1
|
||||
push -1
|
||||
push -1
|
||||
push -1
|
||||
push 25
|
||||
push 80
|
||||
push 25
|
||||
push 80
|
||||
call [con_init]
|
||||
; main loop
|
||||
push str1
|
||||
@ -102,7 +102,11 @@ main:
|
||||
mcall 40, 1 shl 7 ; + 7
|
||||
call [con_cls]
|
||||
|
||||
mcall 18, 7
|
||||
push eax
|
||||
mcall 51, 1, thread, mem - 2048
|
||||
pop ecx
|
||||
mcall 18, 3
|
||||
|
||||
mainloop:
|
||||
mcall 10
|
||||
@ -115,13 +119,25 @@ mainloop:
|
||||
mov byte [esi + eax], 0
|
||||
|
||||
@@:
|
||||
cmp byte [esi], 0xff ; 'IAC' = Interpret As Command
|
||||
cmp byte [esi], 0xff ; Interpret As Command
|
||||
jne @f
|
||||
; TODO: parse options, for now, we will reply with 'WONT' to everything
|
||||
mov byte [esi + 1], 252 ; WONT
|
||||
add esi, 3 ; a command is always 3 bytes
|
||||
jmp @r
|
||||
|
||||
|
||||
@@:
|
||||
cmp byte [esi], 0x1b ; escape character
|
||||
jne @f
|
||||
cmp word [esi+1], 0x485b ; move cursor to beginning
|
||||
jne @f
|
||||
push 0
|
||||
push 0
|
||||
call [con_set_cursor_pos]
|
||||
add esi, 3
|
||||
|
||||
|
||||
@@:
|
||||
push esi
|
||||
|
||||
@ -160,14 +176,15 @@ exit:
|
||||
|
||||
thread:
|
||||
mcall 40, 0
|
||||
.loop:
|
||||
call [con_getch2]
|
||||
mov byte [send_data], al
|
||||
mcall send, [socketnum], send_data, 1
|
||||
jmp thread
|
||||
jmp .loop
|
||||
|
||||
; data
|
||||
title db 'Telnet',0
|
||||
str1 db 'Telnet v0.1',10,' for KolibriOS # 1250 or later. ',10,10,0
|
||||
str1 db 'Telnet v0.1',10,' for KolibriOS # 1281 or later. ',10,10,'If you dont know where to connect to, try towel.blinkenlights.nl',10,10,0
|
||||
str2 db '> ',0
|
||||
str3 db 'Connecting to: ',0
|
||||
str4 db 10,0
|
||||
@ -199,7 +216,8 @@ import console, \
|
||||
con_exit, 'con_exit', \
|
||||
con_gets, 'con_gets',\
|
||||
con_cls, 'con_cls',\
|
||||
con_getch2, 'con_getch2'
|
||||
con_getch2, 'con_getch2',\
|
||||
con_set_cursor_pos, 'con_set_cursor_pos'
|
||||
i_end:
|
||||
|
||||
socketnum dd ?
|
||||
|
@ -17,39 +17,39 @@ PID_KERNEL equ 1 ;os_idle thread
|
||||
align 4
|
||||
proc attach_int_handler stdcall, irq:dword, handler:dword, access_rights:dword
|
||||
|
||||
push ebx
|
||||
push ebx
|
||||
|
||||
mov ebx, [irq] ;irq num
|
||||
test ebx, ebx
|
||||
jz .err
|
||||
cmp ebx, 15 ; hidnplayr says: we only have 16 IRQ's
|
||||
ja .err
|
||||
mov eax, [handler]
|
||||
test eax, eax
|
||||
jz .err
|
||||
cmp [irq_owner + 4 * ebx], 0
|
||||
je @f
|
||||
mov ebx, [irq] ;irq num
|
||||
test ebx, ebx
|
||||
jz .err
|
||||
cmp ebx, 15 ; hidnplayr says: we only have 16 IRQ's
|
||||
ja .err
|
||||
mov eax, [handler]
|
||||
test eax, eax
|
||||
jz .err
|
||||
cmp [irq_owner + 4 * ebx], 0
|
||||
je @f
|
||||
|
||||
mov ecx, [irq_rights + 4 * ebx] ; Rights : 0 - full access, 1 - read only, 2 - forbidden
|
||||
test ecx, ecx
|
||||
jnz .err
|
||||
mov ecx, [irq_rights + 4 * ebx] ; Rights : 0 - full access, 1 - read only, 2 - forbidden
|
||||
test ecx, ecx
|
||||
jnz .err
|
||||
|
||||
@@:
|
||||
mov [irq_tab+ebx*4], eax
|
||||
mov [irq_tab+ebx*4], eax
|
||||
|
||||
mov eax, [access_rights]
|
||||
mov [irq_rights + 4 * ebx], eax
|
||||
mov eax, [access_rights]
|
||||
mov [irq_rights + 4 * ebx], eax
|
||||
|
||||
mov [irq_owner + 4 * ebx], PID_KERNEL ; all handlers belong to a kernel
|
||||
mov [irq_owner + 4 * ebx], PID_KERNEL ; all handlers belong to a kernel
|
||||
|
||||
stdcall enable_irq, [irq]
|
||||
pop ebx
|
||||
mov eax, 1
|
||||
ret
|
||||
stdcall enable_irq, [irq]
|
||||
pop ebx
|
||||
mov eax, 1
|
||||
ret
|
||||
.err:
|
||||
pop ebx
|
||||
xor eax, eax
|
||||
ret
|
||||
pop ebx
|
||||
xor eax, eax
|
||||
ret
|
||||
endp
|
||||
|
||||
uglobal
|
||||
@ -121,8 +121,8 @@ align 4
|
||||
jmp .main
|
||||
; align 4
|
||||
; .irq_6:
|
||||
; push 6
|
||||
; jmp .main
|
||||
; push 6
|
||||
; jmp .main
|
||||
align 4
|
||||
.irq_7:
|
||||
push 7
|
||||
@ -149,16 +149,16 @@ align 4
|
||||
jmp .main
|
||||
; align 4
|
||||
; .irq_13:
|
||||
; push 13
|
||||
; jmp .main
|
||||
; push 13
|
||||
; jmp .main
|
||||
; align 4
|
||||
; .irq_14:
|
||||
; push 14
|
||||
; jmp .main
|
||||
; push 14
|
||||
; jmp .main
|
||||
; align 4
|
||||
; .irq_15:
|
||||
; push 15
|
||||
; jmp .main
|
||||
; push 15
|
||||
; jmp .main
|
||||
|
||||
align 16
|
||||
.main:
|
||||
@ -212,7 +212,7 @@ endp
|
||||
|
||||
align 4
|
||||
proc pci_read32 stdcall, bus:dword, devfn:dword, reg:dword
|
||||
push ebx
|
||||
push ebx edx
|
||||
xor eax, eax
|
||||
xor ebx, ebx
|
||||
mov ah, byte [bus]
|
||||
@ -220,13 +220,13 @@ proc pci_read32 stdcall, bus:dword, devfn:dword, reg:dword
|
||||
mov bh, byte [devfn]
|
||||
mov bl, byte [reg]
|
||||
call pci_read_reg
|
||||
pop ebx
|
||||
pop edx ebx
|
||||
ret
|
||||
endp
|
||||
|
||||
align 4
|
||||
proc pci_read16 stdcall, bus:dword, devfn:dword, reg:dword
|
||||
push ebx
|
||||
push ebx edx
|
||||
xor eax, eax
|
||||
xor ebx, ebx
|
||||
mov ah, byte [bus]
|
||||
@ -234,13 +234,13 @@ proc pci_read16 stdcall, bus:dword, devfn:dword, reg:dword
|
||||
mov bh, byte [devfn]
|
||||
mov bl, byte [reg]
|
||||
call pci_read_reg
|
||||
pop ebx
|
||||
pop edx ebx
|
||||
ret
|
||||
endp
|
||||
|
||||
align 4
|
||||
proc pci_read8 stdcall, bus:dword, devfn:dword, reg:dword
|
||||
push ebx
|
||||
push ebx edx
|
||||
xor eax, eax
|
||||
xor ebx, ebx
|
||||
mov ah, byte [bus]
|
||||
@ -248,13 +248,13 @@ proc pci_read8 stdcall, bus:dword, devfn:dword, reg:dword
|
||||
mov bh, byte [devfn]
|
||||
mov bl, byte [reg]
|
||||
call pci_read_reg
|
||||
pop ebx
|
||||
pop edx ebx
|
||||
ret
|
||||
endp
|
||||
|
||||
align 4
|
||||
proc pci_write8 stdcall, bus:dword, devfn:dword, reg:dword, val:dword
|
||||
push ebx
|
||||
push ebx edx
|
||||
xor eax, eax
|
||||
xor ebx, ebx
|
||||
mov ah, byte [bus]
|
||||
@ -263,13 +263,13 @@ proc pci_write8 stdcall, bus:dword, devfn:dword, reg:dword, val:dword
|
||||
mov bl, byte [reg]
|
||||
mov ecx, [val]
|
||||
call pci_write_reg
|
||||
pop ebx
|
||||
pop edx ebx
|
||||
ret
|
||||
endp
|
||||
|
||||
align 4
|
||||
proc pci_write16 stdcall, bus:dword, devfn:dword, reg:dword, val:dword
|
||||
push ebx
|
||||
push ebx edx
|
||||
xor eax, eax
|
||||
xor ebx, ebx
|
||||
mov ah, byte [bus]
|
||||
@ -278,13 +278,13 @@ proc pci_write16 stdcall, bus:dword, devfn:dword, reg:dword, val:dword
|
||||
mov bl, byte [reg]
|
||||
mov ecx, [val]
|
||||
call pci_write_reg
|
||||
pop ebx
|
||||
pop edx ebx
|
||||
ret
|
||||
endp
|
||||
|
||||
align 4
|
||||
proc pci_write32 stdcall, bus:dword, devfn:dword, reg:dword, val:dword
|
||||
push ebx
|
||||
push ebx edx
|
||||
xor eax, eax
|
||||
xor ebx, ebx
|
||||
mov ah, byte [bus]
|
||||
@ -293,7 +293,7 @@ proc pci_write32 stdcall, bus:dword, devfn:dword, reg:dword, val:dword
|
||||
mov bl, byte [reg]
|
||||
mov ecx, [val]
|
||||
call pci_write_reg
|
||||
pop ebx
|
||||
pop edx ebx
|
||||
ret
|
||||
endp
|
||||
|
||||
@ -394,7 +394,7 @@ proc reg_service stdcall, name:dword, handler:dword
|
||||
|
||||
push ebx
|
||||
|
||||
xor eax, eax
|
||||
xor eax, eax
|
||||
|
||||
cmp [name], eax
|
||||
je .fail
|
||||
@ -432,7 +432,7 @@ proc reg_service stdcall, name:dword, handler:dword
|
||||
ret
|
||||
.fail:
|
||||
xor eax, eax
|
||||
pop ebx
|
||||
pop ebx
|
||||
ret
|
||||
endp
|
||||
|
||||
@ -811,7 +811,7 @@ proc load_driver stdcall, driver_name:dword
|
||||
mov byte [edx+12], '/'
|
||||
mov esi, [driver_name]
|
||||
.redo:
|
||||
lea edx, [file_name]
|
||||
lea edx, [file_name]
|
||||
lea edi, [edx+13]
|
||||
mov ecx, 16
|
||||
@@:
|
||||
@ -928,14 +928,14 @@ proc load_driver stdcall, driver_name:dword
|
||||
jnz .ok
|
||||
|
||||
stdcall kernel_free, [img_base]
|
||||
cmp dword [file_name+13], 'SOUN'
|
||||
jnz @f
|
||||
cmp dword [file_name+17], 'D.ob'
|
||||
jnz @f
|
||||
cmp word [file_name+21], 'j'
|
||||
jnz @f
|
||||
mov esi, aSis
|
||||
jmp .redo
|
||||
cmp dword [file_name+13], 'SOUN'
|
||||
jnz @f
|
||||
cmp dword [file_name+17], 'D.ob'
|
||||
jnz @f
|
||||
cmp word [file_name+21], 'j'
|
||||
jnz @f
|
||||
mov esi, aSis
|
||||
jmp .redo
|
||||
@@:
|
||||
xor eax, eax
|
||||
ret
|
||||
|
@ -61,11 +61,11 @@ macro DEBUGS_N _sign,_num,[_str] {
|
||||
jmp ..label
|
||||
..str db _str,0
|
||||
..label:
|
||||
add esp,4*8+4
|
||||
mov edx,..str
|
||||
sub esp,4*8+4
|
||||
add esp,4*8+4
|
||||
mov edx,..str
|
||||
sub esp,4*8+4
|
||||
else
|
||||
mov edx,_str
|
||||
mov edx,_str
|
||||
end if
|
||||
if ~_num eq
|
||||
if _num eqtype eax
|
||||
@ -235,74 +235,75 @@ macro DEBUGH_N _sign,_num,_hex {
|
||||
|
||||
debug_func fdo_debug_outchar
|
||||
debug_beginf
|
||||
pushad
|
||||
movzx ebx,al
|
||||
mov eax,1
|
||||
mov ecx,sys_msg_board
|
||||
call ecx ; sys_msg_board
|
||||
popad
|
||||
ret
|
||||
pushad
|
||||
movzx ebx,al
|
||||
mov eax,1
|
||||
mov ecx,sys_msg_board
|
||||
call ecx ; sys_msg_board
|
||||
popad
|
||||
ret
|
||||
debug_endf
|
||||
|
||||
debug_func fdo_debug_outstr
|
||||
debug_beginf
|
||||
mov eax,1
|
||||
.l1: dec esi
|
||||
js .l2
|
||||
movzx ebx,byte[edx]
|
||||
or bl,bl
|
||||
jz .l2
|
||||
mov ecx,sys_msg_board
|
||||
call ecx ; sys_msg_board
|
||||
inc edx
|
||||
jmp .l1
|
||||
.l2: ret
|
||||
mov eax,1
|
||||
.l1: dec esi
|
||||
js .l2
|
||||
movzx ebx,byte[edx]
|
||||
or bl,bl
|
||||
jz .l2
|
||||
mov ecx,sys_msg_board
|
||||
call ecx ; sys_msg_board
|
||||
inc edx
|
||||
jmp .l1
|
||||
.l2: ret
|
||||
debug_endf
|
||||
|
||||
debug_func fdo_debug_outdec
|
||||
debug_beginf
|
||||
or cl,cl
|
||||
jz @f
|
||||
or eax,eax
|
||||
jns @f
|
||||
neg eax
|
||||
push eax
|
||||
mov al,'-'
|
||||
call fdo_debug_outchar
|
||||
pop eax
|
||||
@@: push 10
|
||||
pop ecx
|
||||
push -'0'
|
||||
.l1: xor edx,edx
|
||||
div ecx
|
||||
push edx
|
||||
test eax,eax
|
||||
jnz .l1
|
||||
.l2: pop eax
|
||||
add al,'0'
|
||||
jz .l3
|
||||
call fdo_debug_outchar
|
||||
jmp .l2
|
||||
.l3: ret
|
||||
or cl,cl
|
||||
jz @f
|
||||
or eax,eax
|
||||
jns @f
|
||||
neg eax
|
||||
push eax
|
||||
mov al,'-'
|
||||
call fdo_debug_outchar
|
||||
pop eax
|
||||
@@: push 10
|
||||
pop ecx
|
||||
push -'0'
|
||||
.l1: xor edx,edx
|
||||
div ecx
|
||||
push edx
|
||||
test eax,eax
|
||||
jnz .l1
|
||||
.l2: pop eax
|
||||
add al,'0'
|
||||
jz .l3
|
||||
call fdo_debug_outchar
|
||||
jmp .l2
|
||||
.l3: ret
|
||||
debug_endf
|
||||
|
||||
debug_func fdo_debug_outhex
|
||||
__fdo_hexdigits db '0123456789ABCDEF'
|
||||
debug_func fdo_debug_outhex
|
||||
|
||||
debug_beginf
|
||||
mov cl,dl
|
||||
neg cl
|
||||
add cl,8
|
||||
shl cl,2
|
||||
rol eax,cl
|
||||
.l1: rol eax,4
|
||||
push eax
|
||||
and eax,0x0000000F
|
||||
mov al,[__fdo_hexdigits+eax]
|
||||
call fdo_debug_outchar
|
||||
pop eax
|
||||
dec edx
|
||||
jnz .l1
|
||||
ret
|
||||
mov cl,dl
|
||||
neg cl
|
||||
add cl,8
|
||||
shl cl,2
|
||||
rol eax,cl
|
||||
.l1: rol eax,4
|
||||
push eax
|
||||
and eax,0x0000000F
|
||||
mov al,[__fdo_hexdigits+eax]
|
||||
call fdo_debug_outchar
|
||||
pop eax
|
||||
dec edx
|
||||
jnz .l1
|
||||
ret
|
||||
debug_endf
|
||||
|
||||
;-----------------------------------------------------------------------------
|
||||
|
@ -24,6 +24,7 @@ struct SOCKET_head
|
||||
.Type dd ? ; RAW/UDP/TCP/...
|
||||
.Protocol dd ? ; ICMP/IPv4/ARP/
|
||||
.lock dd ? ; lock mutex
|
||||
.errorcode dd ?
|
||||
.end:
|
||||
ends
|
||||
|
||||
@ -55,6 +56,7 @@ struct TCP_SOCKET
|
||||
; Transmission control block
|
||||
.state dd ? ; TCB state
|
||||
.timer dd ? ; TCB timer (seconds)
|
||||
|
||||
.ISS dd ? ; initial send sequence number
|
||||
.IRS dd ? ; initial receive sequence number
|
||||
.SND_UNA dd ? ; sequence number of unack'ed sent Packets
|
||||
@ -191,11 +193,31 @@ socket_open:
|
||||
mov [eax + SOCKET_head.Type], edx
|
||||
mov [eax + SOCKET_head.Protocol], esi
|
||||
|
||||
cmp ecx, AF_INET4
|
||||
je .af_inet4
|
||||
|
||||
jmp .done
|
||||
|
||||
|
||||
.af_inet4:
|
||||
|
||||
cmp edx, IP_PROTO_TCP
|
||||
je .tcp
|
||||
|
||||
jmp .done
|
||||
|
||||
.tcp:
|
||||
|
||||
mov [eax + SOCKET_head.end + IPv4_SOCKET.end + TCP_SOCKET.state], TCB_CLOSED
|
||||
|
||||
pseudo_random ebx
|
||||
mov [eax + SOCKET_head.end + IPv4_SOCKET.end + TCP_SOCKET.ISS], ebx
|
||||
mov [eax + SOCKET_head.end + IPv4_SOCKET.end + TCP_SOCKET.SND_NXT], ebx
|
||||
|
||||
.done:
|
||||
stdcall net_socket_addr_to_num, eax
|
||||
DEBUGF 1,", socketnumber: %u\n", eax
|
||||
|
||||
; TODO: if it is a tcp socket, set state to TCB_CLOSED
|
||||
|
||||
mov [esp+32], eax
|
||||
|
||||
ret
|
||||
@ -513,27 +535,42 @@ socket_close:
|
||||
ret
|
||||
|
||||
.tcp:
|
||||
mov dword [esp+32],0
|
||||
|
||||
; first, remove all resend entries for this socket
|
||||
|
||||
cmp [eax + SOCKET_head.end + IPv4_SOCKET.end + TCP_SOCKET.state], TCB_LISTEN
|
||||
je .destroy_tcb
|
||||
cmp [eax + SOCKET_head.end + IPv4_SOCKET.end + TCP_SOCKET.state], TCB_SYN_SENT
|
||||
je .destroy_tcb
|
||||
call TCP_remove_socket
|
||||
|
||||
; Send a fin, then enter finwait2 state
|
||||
; cmp [eax + SOCKET_head.end + IPv4_SOCKET.end + TCP_SOCKET.state], TCB_LISTEN
|
||||
; je .destroy_tcb
|
||||
; cmp [eax + SOCKET_head.end + IPv4_SOCKET.end + TCP_SOCKET.state], TCB_SYN_SENT
|
||||
; je .destroy_tcb
|
||||
; cmp [eac + SOCKET_head.end + IPv4_SOCKET.end + TCP_SOCKET.state], TCB_CLOSED
|
||||
; je .destroy_tcb
|
||||
cmp [eax + SOCKET_head.end + IPv4_SOCKET.end + TCP_SOCKET.state], TCB_SYN_RECEIVED
|
||||
je .fin_wait
|
||||
cmp [eax + SOCKET_head.end + IPv4_SOCKET.end + TCP_SOCKET.state], TCB_ESTABLISHED
|
||||
je .fin_wait
|
||||
cmp [eax + SOCKET_head.end + IPv4_SOCKET.end + TCP_SOCKET.state], TCB_CLOSE_WAIT
|
||||
je .last_ack
|
||||
|
||||
stdcall net_socket_free, ebx
|
||||
|
||||
ret
|
||||
|
||||
|
||||
.last_ack:
|
||||
mov [eax + SOCKET_head.end + IPv4_SOCKET.end + TCP_SOCKET.state], TCB_LAST_ACK
|
||||
jmp .send_fin
|
||||
|
||||
.fin_wait:
|
||||
mov [eax + SOCKET_head.end + IPv4_SOCKET.end + TCP_SOCKET.state], TCB_FIN_WAIT_1
|
||||
|
||||
mov bl, TH_FIN
|
||||
.send_fin:
|
||||
mov bl, TH_FIN + TH_ACK
|
||||
xor ecx, ecx
|
||||
; call TCP_send
|
||||
call TCP_send
|
||||
|
||||
;;;;;
|
||||
|
||||
|
||||
.destroy_tcb:
|
||||
|
||||
stdcall net_socket_free, eax
|
||||
mov dword [esp+32],0
|
||||
ret
|
||||
|
||||
|
||||
|
@ -97,6 +97,23 @@ macro add_INET reg {
|
||||
rol ecx, 16
|
||||
}
|
||||
|
||||
|
||||
macro pseudo_random reg {
|
||||
|
||||
add reg, [esp]
|
||||
rol reg, 5
|
||||
xor reg, [timer_ticks]
|
||||
imul reg, 214013
|
||||
xor reg, 0xdeadbeef
|
||||
rol reg, 9
|
||||
|
||||
pushd reg
|
||||
mov word [esp], 0x8080 ; kernel heap start addr (os_stack)
|
||||
xor reg, [esp]
|
||||
add esp, 4
|
||||
|
||||
}
|
||||
|
||||
include "queue.inc"
|
||||
include "ARP.inc"
|
||||
include "IPv4.inc"
|
||||
@ -152,7 +169,7 @@ stack_handler:
|
||||
cmp [ETH_RUNNING], 0
|
||||
je .exit
|
||||
|
||||
; Test for 1/100 s (10ms) tick
|
||||
; Test for 10ms tick
|
||||
mov eax, [timer_ticks]
|
||||
cmp eax, [last_1hsTick]
|
||||
je .exit
|
||||
|
@ -8,6 +8,7 @@
|
||||
;; Part of the tcp/ip network stack for KolibriOS ;;
|
||||
;; ;;
|
||||
;; Written by hidnplayr@kolibrios.org ;;
|
||||
;; Inspired by the TCP code of Mike Hibbit for MenuetOS ;;
|
||||
;; ;;
|
||||
;; GNU GENERAL PUBLIC LICENSE ;;
|
||||
;; Version 2, June 1991 ;;
|
||||
@ -22,6 +23,8 @@ TCP_PACKET_TTL equ 50 ; resend if not replied to in 1/100 s
|
||||
TCP_SOCKET_TTL equ 10 ; # of secs to wait before closing socket
|
||||
TCP_QUEUE_SIZE equ 16
|
||||
|
||||
TCP_MAX_ACKS equ 16
|
||||
|
||||
|
||||
struct TCP_Packet
|
||||
.SourcePort dw ?
|
||||
@ -63,13 +66,16 @@ uglobal
|
||||
TCP_PACKETS_RX rd MAX_IP
|
||||
|
||||
TCP_IN_QUEUE rd (tcp_in_queue_entry.size*TCP_QUEUE_SIZE+queue.data)/4
|
||||
TCP_OUT_QUEUE dd ?
|
||||
TCP_OUT_QUEUE dd ?, ?
|
||||
rd (tcp_out_queue_entry.size*TCP_QUEUE_SIZE)/4
|
||||
|
||||
TCP_ACKS dd ?
|
||||
TCP_ACK_LIST rd 3*TCP_MAX_ACKS
|
||||
endg
|
||||
|
||||
align 4
|
||||
iglobal
|
||||
stateHandler:
|
||||
TCPstateHandler:
|
||||
|
||||
dd stateTCB_LISTEN
|
||||
dd stateTCB_SYN_SENT
|
||||
@ -114,7 +120,7 @@ TCP_init:
|
||||
|
||||
xor eax, eax
|
||||
mov esi, TCP_OUT_QUEUE
|
||||
mov ecx, TCP_QUEUE_SIZE*tcp_out_queue_entry/4+1
|
||||
mov ecx, TCP_QUEUE_SIZE*tcp_out_queue_entry/4+2+2+3*TCP_MAX_ACKS
|
||||
rep stosd
|
||||
|
||||
ret
|
||||
@ -193,9 +199,12 @@ TCP_send_queued:
|
||||
cmp [TCP_OUT_QUEUE], 0
|
||||
je .exit
|
||||
|
||||
mov ebx, TCP_OUT_QUEUE+4
|
||||
call wait_mutex
|
||||
|
||||
mov eax, TCP_QUEUE_SIZE
|
||||
mov ecx, [TCP_OUT_QUEUE]
|
||||
mov esi, TCP_OUT_QUEUE+4
|
||||
mov esi, TCP_OUT_QUEUE+8
|
||||
|
||||
.loop:
|
||||
cmp [esi + tcp_out_queue_entry.data_ptr], 0
|
||||
@ -203,30 +212,33 @@ TCP_send_queued:
|
||||
add esi, tcp_out_queue_entry.size
|
||||
loop .loop
|
||||
.exit:
|
||||
mov [TCP_OUT_QUEUE+4], 0
|
||||
ret
|
||||
|
||||
.found_one:
|
||||
dec [esi + tcp_out_queue_entry.ttl]
|
||||
jz .send_it
|
||||
cmp [esi + tcp_out_queue_entry.data_ptr], -1
|
||||
jz .is_ack
|
||||
.find_next:
|
||||
add esi, tcp_out_queue_entry.size
|
||||
dec eax
|
||||
jz .exit
|
||||
test ecx, ecx
|
||||
jnz .loop
|
||||
mov [TCP_OUT_QUEUE+4], 0
|
||||
ret
|
||||
|
||||
.send_it:
|
||||
push eax ecx esi
|
||||
|
||||
pusha
|
||||
mov ebx, [esi + tcp_out_queue_entry.owner]
|
||||
push [esi + tcp_out_queue_entry.data_size]
|
||||
push [esi + tcp_out_queue_entry.data_ptr]
|
||||
pushd [esi + tcp_out_queue_entry.data_size]
|
||||
pushd [esi + tcp_out_queue_entry.data_ptr]
|
||||
DEBUGF 1,"Now sending TCP packet %x, size: %u, owner: %x, sendproc %x\n", [esp], [esp+4], ebx, [esi + tcp_out_queue_entry.sendproc]
|
||||
inc [TCP_PACKETS_TX]
|
||||
call [esi + tcp_out_queue_entry.sendproc]
|
||||
add esp, 8
|
||||
pop esi ecx eax
|
||||
popa
|
||||
|
||||
dec [esi + tcp_out_queue_entry.retries]
|
||||
jz .remove_it
|
||||
@ -241,6 +253,17 @@ TCP_send_queued:
|
||||
dec [TCP_OUT_QUEUE]
|
||||
jmp .find_next
|
||||
|
||||
.is_ack:
|
||||
pusha
|
||||
mov eax, [esi + tcp_out_queue_entry.socket]
|
||||
mov ebx, [esi + tcp_out_queue_entry.owner]
|
||||
mov ecx, [esi + tcp_out_queue_entry.size]
|
||||
call TCP_send_ack
|
||||
popa
|
||||
mov [esi + tcp_out_queue_entry.data_ptr], 0
|
||||
dec [TCP_OUT_QUEUE]
|
||||
jmp .find_next
|
||||
|
||||
|
||||
|
||||
;-----------------------------------------------------------------
|
||||
@ -266,9 +289,11 @@ TCP_handler :
|
||||
|
||||
; TODO: validate checksum
|
||||
|
||||
; Find a matching socket for received packet, all following expressions must be valid:
|
||||
;
|
||||
; IP Packet TCP Destination Port = local Port
|
||||
; IP Packet SA = Remote IP OR = 0
|
||||
; IP Packet TCP Source Port = remote Port OR = 0
|
||||
; (IP Packet SA = Remote IP) OR (Remote IP = 0)
|
||||
; (IP Packet TCP Source Port = remote Port) OR (remote Port = 0)
|
||||
|
||||
mov ebx, net_sockets
|
||||
|
||||
@ -318,27 +343,30 @@ TCP_handler :
|
||||
; ecx is size of tcp data
|
||||
|
||||
; as a Packet has been received, update the TCB timer
|
||||
mov [ebx + SOCKET_head.end + IPv4_SOCKET.end + TCP_SOCKET.timer], TCP_SOCKET_TTL
|
||||
|
||||
; If the received Packet has an ACK bit set, remove any Packets in the resend queue that this received Packet acknowledges
|
||||
test [edx + TCP_Packet.Flags], TH_ACK
|
||||
jz .no_ack ; No ACK, so no data yet
|
||||
|
||||
; Calculate ACK number
|
||||
; Calculate ACK number, in intel byte order
|
||||
mov edi, [edx + TCP_Packet.AckNumber]
|
||||
bswap edi
|
||||
mov [ebx + SOCKET_head.end + IPv4_SOCKET.end + TCP_SOCKET.last_ack_number], edi
|
||||
DEBUGF 1,"Setting last_ack_number to %u\n", edi
|
||||
bswap edi
|
||||
DEBUGF 1,"Setting last_ack_number to %u\n", edi
|
||||
|
||||
; Dequeue all acknowledged packets
|
||||
cmp [TCP_OUT_QUEUE], 0 ; first, check if any packets are queued at all
|
||||
je .no_ack
|
||||
|
||||
push ebx
|
||||
mov ebx, TCP_OUT_QUEUE+4
|
||||
call wait_mutex
|
||||
pop ebx
|
||||
|
||||
push ecx
|
||||
DEBUGF 1,"Removing all queued packets with smaller ACK\n"
|
||||
DEBUGF 1,"Removing all queued packets with smaller ACK\n"
|
||||
mov ecx, TCP_QUEUE_SIZE
|
||||
mov esi, TCP_OUT_QUEUE+4
|
||||
mov esi, TCP_OUT_QUEUE+8
|
||||
.loop:
|
||||
cmp [esi + tcp_out_queue_entry.data_ptr], 0
|
||||
je .maybe_next
|
||||
@ -349,7 +377,7 @@ TCP_handler :
|
||||
cmp [esi + tcp_out_queue_entry.seq_num], edi
|
||||
jg .maybe_next
|
||||
|
||||
DEBUGF 1,"Removing a queued packet\n"
|
||||
DEBUGF 1,"Removing a queued packet\n"
|
||||
|
||||
push [esi + tcp_out_queue_entry.data_ptr]
|
||||
mov [esi + tcp_out_queue_entry.data_ptr], 0
|
||||
@ -359,8 +387,9 @@ TCP_handler :
|
||||
.maybe_next:
|
||||
add esi, tcp_out_queue_entry.size
|
||||
loop .loop
|
||||
pop ecx
|
||||
|
||||
mov [TCP_OUT_QUEUE+4], 0
|
||||
pop ecx
|
||||
|
||||
; Now call the correct handler, depending on the socket state
|
||||
.no_ack:
|
||||
@ -371,11 +400,7 @@ TCP_handler :
|
||||
cmp eax, TCB_CLOSED
|
||||
ja .dump
|
||||
|
||||
dec eax
|
||||
shl eax, 2
|
||||
add eax, stateHandler
|
||||
|
||||
call dword[eax]
|
||||
call dword [TCPstateHandler+eax*4-4]
|
||||
|
||||
.dump:
|
||||
DEBUGF 1,"Dumping TCP packet\n"
|
||||
@ -465,13 +490,11 @@ TCP_send:
|
||||
xchg cl, ch
|
||||
pushw cx
|
||||
xchg cl, ch
|
||||
;; pushw TCP_Packet.Data shl 8
|
||||
pushw IP_PROTO_TCP shl 8
|
||||
pushd [edi-4] ; destination address ; TODO: fix this, IPv4 packet could have options..
|
||||
pushd [edi-4] ; destination address ; TODO: fix this, IPv4 packet could have options..
|
||||
pushd [edi-8] ; source address
|
||||
|
||||
xor edx, edx
|
||||
; mov ecx, TCP_Packet.Data
|
||||
mov esi, edi
|
||||
call checksum_1
|
||||
mov ecx, 12
|
||||
@ -496,14 +519,13 @@ TCP_send:
|
||||
and ecx, 0x0000ffff
|
||||
xchg cl, ch
|
||||
sub cx, TCP_Packet.Data
|
||||
add_INET (edi + SOCKET_head.end + IPv4_SOCKET.end + TCP_SOCKET.SND_NXT)
|
||||
|
||||
add_INET (edi + SOCKET_head.end + IPv4_SOCKET.end + TCP_SOCKET.SND_NXT) ; todo: this should only happen when packet was queued successful
|
||||
mov ecx, TCP_RETRIES
|
||||
|
||||
jmp .go_for_it
|
||||
|
||||
.only_one:
|
||||
; inc_INET (edi + SOCKET_head.end + IPv4_SOCKET.end + TCP_SOCKET.SND_NXT)
|
||||
mov ecx, 1
|
||||
.go_for_it:
|
||||
|
||||
@ -523,37 +545,37 @@ TCP_send:
|
||||
; IN: [esp] pointer to buffer
|
||||
; [esp + 4] size of buffer
|
||||
; ebx = driver struct
|
||||
; edx = sequence number of this packet in intel byte order
|
||||
; esi = sender proc
|
||||
; edx = sequence number of this packet in normal byte order
|
||||
; edi = socket number
|
||||
; ecx = retries
|
||||
|
||||
; OUT: /
|
||||
;
|
||||
;-----------------------------------------------------------------
|
||||
align 4
|
||||
TCP_queue:
|
||||
|
||||
bswap edx
|
||||
DEBUGF 1,"Adding packet to TCP queue, buffer: %x, size: %u, driver: %x, acknum: %u\n", [esp], [esp+4], ebx, edx
|
||||
bswap edx
|
||||
|
||||
cmp [TCP_OUT_QUEUE], TCP_QUEUE_SIZE
|
||||
jge .full
|
||||
|
||||
push ecx
|
||||
mov ecx, TCP_QUEUE_SIZE
|
||||
mov eax, TCP_OUT_QUEUE+4
|
||||
push ebx
|
||||
mov ebx, TCP_OUT_QUEUE+4
|
||||
call wait_mutex
|
||||
pop ebx
|
||||
|
||||
mov ecx, TCP_QUEUE_SIZE
|
||||
mov eax, TCP_OUT_QUEUE+8
|
||||
.loop:
|
||||
cmp [eax + tcp_out_queue_entry.data_ptr], 0
|
||||
je .found_it
|
||||
add eax, tcp_out_queue_entry.size
|
||||
loop .loop
|
||||
|
||||
add esp, 4
|
||||
.full: ; silently discard the packet
|
||||
DEBUGF 1,"TCP queue is full!\n"
|
||||
|
||||
add esp, 4
|
||||
call kernel_free
|
||||
add esp, 4
|
||||
|
||||
@ -561,7 +583,7 @@ TCP_queue:
|
||||
|
||||
.found_it: ; eax points to empty queue entry
|
||||
|
||||
pop [eax + tcp_out_queue_entry.retries]
|
||||
mov [eax + tcp_out_queue_entry.retries], TCP_RETRIES
|
||||
pop [eax + tcp_out_queue_entry.data_ptr]
|
||||
pop [eax + tcp_out_queue_entry.data_size]
|
||||
mov [eax + tcp_out_queue_entry.ttl], 1 ; send immediately
|
||||
@ -572,9 +594,179 @@ TCP_queue:
|
||||
|
||||
inc [TCP_OUT_QUEUE]
|
||||
|
||||
sub eax, TCP_OUT_QUEUE+4
|
||||
DEBUGF 1,"Added to queue in pos %u\n", eax
|
||||
sub eax, TCP_OUT_QUEUE+8
|
||||
shr eax, 5
|
||||
DEBUGF 1,"Added to queue in pos %u, total queued packets: %u\n", eax, [TCP_OUT_QUEUE+8]
|
||||
|
||||
mov [TCP_OUT_QUEUE+4], 0
|
||||
|
||||
ret
|
||||
|
||||
|
||||
;-----------------------------------------------------------------
|
||||
;
|
||||
; IN: ebx = socket
|
||||
; ecx = ack number
|
||||
;
|
||||
; OUT: /
|
||||
;
|
||||
;-----------------------------------------------------------------
|
||||
align 4
|
||||
TCP_queue_ack:
|
||||
|
||||
DEBUGF 1,"Adding ACK to TCP queue, socket: %x, acknum: %u\n", ebx, ecx
|
||||
|
||||
cmp [TCP_OUT_QUEUE], TCP_QUEUE_SIZE
|
||||
jge .full
|
||||
|
||||
push ebx ecx
|
||||
mov ebx, TCP_OUT_QUEUE+4
|
||||
call wait_mutex
|
||||
|
||||
mov ecx, TCP_QUEUE_SIZE
|
||||
mov eax, TCP_OUT_QUEUE+8
|
||||
.loop:
|
||||
cmp [eax + tcp_out_queue_entry.data_ptr], 0
|
||||
je .found_it
|
||||
add eax, tcp_out_queue_entry.size
|
||||
loop .loop
|
||||
|
||||
add esp, 8
|
||||
.full: ; silently discard the packet
|
||||
DEBUGF 1,"TCP queue is full!\n"
|
||||
ret
|
||||
|
||||
.found_it: ; eax points to empty queue entry
|
||||
|
||||
pop [eax + tcp_out_queue_entry.data_size] ; ACK number
|
||||
mov [eax + tcp_out_queue_entry.data_ptr], -1 ; ACK packet
|
||||
pop [eax + tcp_out_queue_entry.socket]
|
||||
mov [eax + tcp_out_queue_entry.retries], 1
|
||||
mov [eax + tcp_out_queue_entry.ttl], 20 ; 200 ms
|
||||
|
||||
inc [TCP_OUT_QUEUE]
|
||||
|
||||
sub eax, TCP_OUT_QUEUE+8
|
||||
shr eax, 5
|
||||
DEBUGF 1,"Added to queue in pos %u, total queued packets: %u\n", eax, [TCP_OUT_QUEUE+8]
|
||||
|
||||
mov [TCP_OUT_QUEUE+4], 0
|
||||
|
||||
ret
|
||||
|
||||
|
||||
; IN: eax = socket pointer
|
||||
; ebx = device structure
|
||||
; ecx = ack number
|
||||
|
||||
align 4
|
||||
TCP_send_ack:
|
||||
|
||||
DEBUGF 1,"Creating TCP ACK packet, socket: %x, acknum: %x\n", eax, ecx
|
||||
|
||||
push ecx eax
|
||||
|
||||
mov di , IP_PROTO_TCP
|
||||
mov ecx, TCP_Packet.Data
|
||||
; Create an IPv4 Packet of the correct size
|
||||
mov ebx, [eax + SOCKET_head.end + IPv4_SOCKET.LocalIP]
|
||||
mov eax, [eax + SOCKET_head.end + IPv4_SOCKET.RemoteIP]
|
||||
|
||||
call IPv4_create_packet
|
||||
cmp edi, -1
|
||||
je .fail
|
||||
|
||||
pop ecx
|
||||
|
||||
; fill in tcp sequence number
|
||||
push [ecx + SOCKET_head.end + IPv4_SOCKET.end + TCP_SOCKET.SND_NXT]
|
||||
pop [edi + TCP_Packet.SequenceNumber]
|
||||
|
||||
; Fill in local and remote ports
|
||||
push dword [ecx + SOCKET_head.end + IPv4_SOCKET.end + TCP_SOCKET.LocalPort]
|
||||
pop dword [edi + TCP_Packet.SourcePort]
|
||||
|
||||
; Acknumber
|
||||
pop [edi + TCP_Packet.AckNumber]
|
||||
|
||||
; Fill in other tcp options
|
||||
mov [edi + TCP_Packet.Flags], TH_ACK
|
||||
mov [edi + TCP_Packet.Window], 0x0005 ; 1280 bytes
|
||||
mov [edi + TCP_Packet.UrgentPointer], 0
|
||||
mov [edi + TCP_Packet.DataOffset], 0x50
|
||||
mov [edi + TCP_Packet.Checksum], 0
|
||||
|
||||
; Push pointer to and size of total packet (needed for send procedure)
|
||||
push edx eax esi
|
||||
|
||||
; Now, calculate the checksum
|
||||
pushw TCP_Packet.Data shl 8
|
||||
pushw IP_PROTO_TCP shl 8
|
||||
pushd [edi-4] ; destination address ; TODO: fix this, IPv4 packet could have options..
|
||||
pushd [edi-8] ; source address
|
||||
|
||||
xor edx, edx
|
||||
mov ecx, 12
|
||||
mov esi, esp
|
||||
call checksum_1
|
||||
call checksum_2
|
||||
mov [edi + TCP_Packet.Checksum], dx
|
||||
add esp, 12 ; remove the pseudoheader from stack
|
||||
|
||||
pop eax
|
||||
call eax
|
||||
call kernel_free
|
||||
add esp, 4 ; pop (balance stack)
|
||||
ret
|
||||
|
||||
.fail:
|
||||
add esp, 8
|
||||
ret
|
||||
|
||||
|
||||
|
||||
|
||||
;-----------------------------------------------------------------
|
||||
;
|
||||
; Remove all queued TCP packets for a specified socket
|
||||
;
|
||||
; IN: eax = socket number
|
||||
; OUT: /
|
||||
;
|
||||
; destoys esi and ecx
|
||||
;
|
||||
;-----------------------------------------------------------------
|
||||
|
||||
align 4
|
||||
TCP_remove_socket:
|
||||
|
||||
cmp [TCP_OUT_QUEUE], 0
|
||||
je .skip
|
||||
|
||||
mov ebx, TCP_OUT_QUEUE+4
|
||||
call wait_mutex
|
||||
|
||||
mov eax, TCP_QUEUE_SIZE
|
||||
mov ecx, [TCP_OUT_QUEUE]
|
||||
mov esi, TCP_OUT_QUEUE+8
|
||||
|
||||
.loop:
|
||||
cmp [esi + tcp_out_queue_entry.data_ptr], 0
|
||||
jz .maybenext
|
||||
cmp [esi + tcp_out_queue_entry.socket], eax
|
||||
jnz .maybenext
|
||||
|
||||
push [esi + tcp_out_queue_entry.data_ptr]
|
||||
mov [esi + tcp_out_queue_entry.data_ptr], 0
|
||||
dec [TCP_OUT_QUEUE]
|
||||
call kernel_free
|
||||
|
||||
.maybenext:
|
||||
add esi, tcp_out_queue_entry.size
|
||||
loop .loop
|
||||
|
||||
mov [TCP_OUT_QUEUE+4], 0
|
||||
.skip:
|
||||
ret
|
||||
|
||||
|
||||
@ -737,6 +929,90 @@ stateTCB_SYN_RECEIVED:
|
||||
ret
|
||||
|
||||
|
||||
if 0
|
||||
|
||||
|
||||
align 4
|
||||
stateTCB_ESTABLISHED:
|
||||
|
||||
DEBUGF 1,"TCBStateHandler: Established\n"
|
||||
|
||||
mov eax, [ebx + SOCKET_head.end + IPv4_SOCKET.end + TCP_SOCKET.RCV_NXT]
|
||||
bswap eax
|
||||
DEBUGF 1,"RCV_NXT is set to:%u\n", eax
|
||||
bswap eax
|
||||
cmp eax, [edx + TCP_Packet.SequenceNumber]
|
||||
jne .exit ;;;;;;
|
||||
|
||||
; check if we received an ACK
|
||||
test [edx + TCP_Packet.Flags], TH_ACK
|
||||
jz .no_ack
|
||||
|
||||
mov ax, [edx + TCP_Packet.Window]
|
||||
xchg al, ah
|
||||
cmp ax, 1024
|
||||
ja @f
|
||||
mov [ebx + SOCKET_head.end + IPv4_SOCKET.end + TCP_SOCKET.wndsizeTimer], 1
|
||||
@@:
|
||||
.no_ack:
|
||||
|
||||
; Now, see if we received any data
|
||||
test ecx, ecx
|
||||
jz .nodata
|
||||
|
||||
; Calculate next sequencenumber
|
||||
add_INET (ebx + SOCKET_head.end + IPv4_SOCKET.end + TCP_SOCKET.RCV_NXT)
|
||||
|
||||
push edx
|
||||
DEBUGF 1,"Got %u bytes data!\n", ecx
|
||||
; calculate header length
|
||||
movzx eax, [edx + TCP_Packet.DataOffset]
|
||||
and eax, 11110000b
|
||||
shr eax, 2
|
||||
DEBUGF 1,"TCP header size: %u\n", eax
|
||||
add edx, eax ; now edx points to data
|
||||
|
||||
add esp, 4
|
||||
pop esi ; pointer to buffer
|
||||
add esp, 4
|
||||
|
||||
sub edx, esi
|
||||
mov edi, edx ; offset
|
||||
mov eax, ebx ; socket ptr
|
||||
|
||||
call socket_internal_receiver ; Place the data from packet into socket
|
||||
|
||||
; lea ebx, [eax + SOCKET_head.lock]
|
||||
; call wait_mutex
|
||||
mov ebx, eax
|
||||
pop edx
|
||||
|
||||
test [edx + TCP_Packet.Flags], TH_FIN + TH_RST
|
||||
jz .ack
|
||||
|
||||
.nodata:
|
||||
test [edx + TCP_Packet.Flags], TH_FIN + TH_RST
|
||||
jz .exit
|
||||
|
||||
; Send an ACK to that fin, and enter closewait state
|
||||
mov [ebx + SOCKET_head.end + IPv4_SOCKET.end + TCP_SOCKET.state], TCB_CLOSE_WAIT
|
||||
; Remove all resend entries from the queue
|
||||
mov eax, ebx
|
||||
call TCP_remove_socket
|
||||
|
||||
.ack:
|
||||
push ebx
|
||||
mov ecx, [ebx + SOCKET_head.end + IPv4_SOCKET.end + TCP_SOCKET.RCV_NXT]
|
||||
call TCP_queue_ack
|
||||
pop ebx
|
||||
|
||||
.exit:
|
||||
mov [ebx + SOCKET_head.lock], 0
|
||||
ret
|
||||
|
||||
|
||||
end if
|
||||
|
||||
|
||||
align 4
|
||||
stateTCB_ESTABLISHED:
|
||||
@ -751,13 +1027,9 @@ stateTCB_ESTABLISHED:
|
||||
jne .exit
|
||||
|
||||
; Calculate next sequencenumber
|
||||
;; test ecx, ecx
|
||||
;; jnz @f
|
||||
;; inc ecx
|
||||
;; @@:
|
||||
add_INET (ebx + SOCKET_head.end + IPv4_SOCKET.end + TCP_SOCKET.RCV_NXT)
|
||||
|
||||
test [edx + TCP_Packet.Flags], TH_FIN + TH_RST ;;;
|
||||
test [edx + TCP_Packet.Flags], TH_FIN + TH_RST
|
||||
jnz .fin
|
||||
|
||||
.check_ack:
|
||||
@ -799,9 +1071,9 @@ stateTCB_ESTABLISHED:
|
||||
|
||||
call socket_internal_receiver ; Place the data from packet into socket
|
||||
|
||||
lea ebx, [eax + SOCKET_head.lock] ;;;;;
|
||||
call wait_mutex ;;;;;
|
||||
mov ebx, eax ;;;;
|
||||
lea ebx, [eax + SOCKET_head.lock]
|
||||
call wait_mutex
|
||||
mov ebx, eax
|
||||
|
||||
.ack:
|
||||
mov eax, ebx
|
||||
@ -814,7 +1086,7 @@ stateTCB_ESTABLISHED:
|
||||
mov [ebx + SOCKET_head.lock], 0
|
||||
ret
|
||||
|
||||
.fin:
|
||||
.fin: ; we received a FIN or RESET
|
||||
; Remove all resend entries from the queue
|
||||
mov ecx, TCP_QUEUE_SIZE
|
||||
mov esi, TCP_OUT_QUEUE+4
|
||||
@ -837,11 +1109,10 @@ stateTCB_ESTABLISHED:
|
||||
loop .removeloop
|
||||
|
||||
; Send an ACK to that fin, and enter closewait state
|
||||
mov [ebx + SOCKET_head.end + IPv4_SOCKET.end + TCP_SOCKET.state], TCB_CLOSE_WAIT
|
||||
mov [ebx + SOCKET_head.end + IPv4_SOCKET.end + TCP_SOCKET.state], TCB_CLOSING
|
||||
jmp .check_ack
|
||||
|
||||
|
||||
|
||||
align 4
|
||||
stateTCB_FIN_WAIT_1:
|
||||
|
||||
@ -864,10 +1135,6 @@ stateTCB_FIN_WAIT_1:
|
||||
mov [ebx + SOCKET_head.end + IPv4_SOCKET.end + TCP_SOCKET.state], TCB_TIMED_WAIT
|
||||
|
||||
@@:
|
||||
|
||||
; lea esi, [ebx + SOCKET_head.end + IPv4_SOCKET.end + TCP_SOCKET.RCV_NXT]
|
||||
; inc_INET esi
|
||||
|
||||
; Send an ACK
|
||||
mov eax, ebx
|
||||
mov bl, TH_ACK
|
||||
@ -893,11 +1160,6 @@ stateTCB_FIN_WAIT_2:
|
||||
; Change state, as we have a fin
|
||||
mov [ebx + SOCKET_head.end + IPv4_SOCKET.end + TCP_SOCKET.state], TCB_TIMED_WAIT
|
||||
|
||||
lea esi, [ebx + SOCKET_head.end + IPv4_SOCKET.end + TCP_SOCKET.RCV_NXT]
|
||||
inc_INET esi
|
||||
|
||||
mov [ebx + SOCKET_head.lock], 0
|
||||
|
||||
; Send an ACK
|
||||
mov eax, ebx
|
||||
mov bl, TH_ACK
|
||||
|
Loading…
Reference in New Issue
Block a user