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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
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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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205
kernel/trunk/network/ARP.inc
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@@ -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