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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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90
kernel/trunk/network/tcp_subr.inc
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@@ -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