KolibriOS/kolibrios
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TCP_output: update advertised receive window correctly

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git-svn-id: svn://kolibrios.org@6474 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
hidnplayr 2016-08-15 17:25:50 +00:00
parent 668afc0d0b
commit 9d14a71733
1 changed files with 14 additions and 10 deletions
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24
kernel/trunk/network/tcp_output.inc
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@ -1,6 +1,6 @@
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; ;;
;; Copyright (C) KolibriOS team 2004-2015. All rights reserved. ;;
;; Copyright (C) KolibriOS team 2004-2016. All rights reserved. ;;
;; Distributed under terms of the GNU General Public License ;;
;; ;;
;; Part of the TCP/IP network stack for KolibriOS ;;
@ -30,6 +30,7 @@ proc tcp_output
locals
temp_bits db ?
window dd ?
endl
DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_output: socket=%x state=%u\n", eax, [eax + TCP_SOCKET.t_state]
@ -470,7 +471,8 @@ endl
mov ebx, ecx
@@:
DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_send: window = %u\n", ebx
DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_send: window=%u\n", ebx
mov [window], ebx
mov cl, [eax + TCP_SOCKET.RCV_SCALE]
shr ebx, cl
@ -518,19 +520,19 @@ endl
push ecx
mov ecx, [esp + 4]
lea esi, [esp + 8]
shr ecx, 2 ; count is in bytes, we will work with dwords
shr ecx, 2 ; count is in bytes, we will work with dwords
rep movsd
pop ecx ; full TCP packet size
pop ecx ; full TCP packet size
pop esi ; headersize
add esp, esi ; remove it from stack
pop esi ; headersize
add esp, esi ; remove it from stack
push eax ; packet ptr for send proc
push eax ; packet ptr for send proc
mov edx, edi ; begin of data
sub edx, esi ; begin of packet (edi = begin of data)
mov edx, edi ; begin of data
sub edx, esi ; begin of packet (edi = begin of data)
push ecx
sub ecx, esi ; data size
sub ecx, esi ; data size
;--------------
; Copy the data
@ -629,6 +631,8 @@ endl
inc [TCPS_sndtotal]
; update advertised receive window
mov ecx, [window]
test ecx, ecx
jz @f
add ecx, [eax + TCP_SOCKET.RCV_NXT]