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small optimisation and cleanup of rtl8029.inc

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last in series of attempts to make kernel compile on unix


git-svn-id: svn://kolibrios.org@1187 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
hidnplayr 2009-09-28 20:16:23 +00:00
parent b3b3d9d928
commit 8fa80be372
3 changed files with 7 additions and 126 deletions
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7
kernel/branches/net/drivers/RTL8029.asm
View File

@ -965,7 +965,7 @@ int_handler:
cmp [eth_tmp_len], bx
jbe .nsp_005
DEBUGF 2,"tadaa!\n"
DEBUGF 2,"WRAP!\n"
mov al , [ebp + device.flags]
test al , FLAG_PIO
@ -989,10 +989,7 @@ int_handler:
mov [pktoff], ax
add [eth_rx_data_ptr], ebx
mov ax, [eth_tmp_len]
sub ax, bx
mov [eth_tmp_len], ax
sub [eth_tmp_len], bx
.nsp_005:
test [ebp + device.flags], FLAG_PIO

120
kernel/branches/net/network/ARP.inc
View File

@ -111,11 +111,7 @@ ARP_init:
;***************************************************************************
;Opcode's constants
ARP_TABLE_ADD equ 1
ARP_TABLE_DEL equ 2
ARP_TABLE_GET equ 3
ARP_TABLE_GET_ENTRIES_NUMBER equ 4
ARP_TABLE_IP_TO_MAC equ 5
ARP_TABLE_TIMER equ 6
;Index's constants
EXTRA_IS_ARP_PACKET_PTR equ 0 ;if Extra contain pointer to ARP_Packet
@ -129,76 +125,18 @@ proc arp_table_manager stdcall uses ebx esi edi ecx edx, Opcode:DWORD,Index:DWOR
mov eax, dword[Opcode]
cmp eax, ARP_TABLE_TIMER
je .timer
DEBUGF 1,"ARP table manager opcode:%u numARP:%u\n",eax,ecx
cmp eax, ARP_TABLE_ADD
je .add
cmp eax, ARP_TABLE_DEL
je .del
cmp eax, ARP_TABLE_GET
je .get
cmp eax, ARP_TABLE_IP_TO_MAC
je .ip_to_mac
cmp eax, ARP_TABLE_GET_ENTRIES_NUMBER
je .get_entries_number
jmp .exit ;if unknown opcode
;;BEGIN TIMER
;;Description: it must be callback every second. It is responsible for removing expired routes.
;;IN: Operation: ARP_TABLE_TIMER
;; Index: must be zero
;; Extra: must be zero
;;OUT:
;; EAX=not defined
;;
.timer:
test ecx, ecx
jz .exit ;if NumARP=0 nothing to do
; sub ecx, ARP_TABLE_ENTRIES ;ecx=dynamic entries number
; jz .exit ;if NumARP=number of static entries then exit
; add ebx, ARP_TABLE_ENTRIES*ARP_ENTRY_SIZE ;ebx=dynamic entries base
.timer_loop:
movsx esi, word [ebx + ARP_ENTRY.TTL]
cmp esi, 0xFFFFFFFF
je .timer_loop_end ;if TTL==0xFFFF then it's static entry
test esi, esi
jnz .timer_loop_end_with_dec ;if TTL!=0
; Ok, TTL is 0
;if Status==AWAITING_RESPONSE and TTL==0
;then we have to change it to ARP_RESPONSE_TIMEOUT
cmp word [ebx + ARP_ENTRY.Status], ARP_AWAITING_RESPONSE
jne @f
mov word [ebx + ARP_ENTRY.Status], ARP_RESPONSE_TIMEOUT
mov word [ebx + ARP_ENTRY.TTL], word 0x000A ;10 sec
jmp .timer_loop_end
@@:
;if TTL==0 and Status==VALID_MAPPING, we have to delete it
;if TTL==0 and Status==RESPONSE_TIMEOUT, delete too
mov esi, dword[NumARP]
sub esi, ecx ;esi=index of entry, will be deleted
stdcall arp_table_manager,ARP_TABLE_DEL,esi,0 ;opcode,index,extra
jmp .timer_loop_end
.timer_loop_end_with_dec:
dec word [ebx + ARP_ENTRY.TTL] ;decrease TTL
.timer_loop_end:
add ebx, ARP_ENTRY.size
loop .timer_loop
jmp .exit
;;END TIMER
;;BEGIN ADD
;;Description: it adds an entry in the table. If ARP-table already
;; contains same IP, it will be updated.
@ -294,49 +232,7 @@ proc arp_table_manager stdcall uses ebx esi edi ecx edx, Opcode:DWORD,Index:DWOR
jmp .exit
;;END ADD
;;BEGIN DEL
;;Description: it deletes an entry in the table.
;;IN: Operation: ARP_TABLE_DEL
;; Index: index of entry, that should be deleted
;; Extra: must be zero
;;OUT:
;; EAX=not defined
;;
.del:
mov esi, [Index]
imul esi, ARP_ENTRY.size
mov ecx, (ARP_TABLE_SIZE - 1) * ARP_ENTRY.size
sub ecx, esi
lea edi, [ebx + esi] ;edi=ptr to entry that should be deleted
lea esi, [edi + ARP_ENTRY.size] ;esi=ptr to next entry
shr ecx,1 ;ecx/2 => ARP_ENTRY_SIZE MUST BE EVEN NUMBER!
cld
rep movsw
dec dword[NumARP] ;decrease arp-entries counter
jmp .exit
;;END DEL
;;BEGIN GET
;;Description: it reads an entry of table into buffer.
;;IN: Operation: ARP_TABLE_GET
;; Index: index of entry, that should be read
;; Extra: pointer to buffer for reading(size must be equal to ARP_ENTRY_SIZE)
;;OUT:
;; EAX=not defined
;;
.get:
mov esi, [Index]
imul esi, ARP_ENTRY.size ;esi=ptr to required ARP_ENTRY
mov edi, [Extra] ;edi=buffer for reading
mov ecx, ARP_ENTRY.size/2 ; must be even number!!!
cld
rep movsw
jmp .exit
;;END GET
;;BEGIN IP_TO_MAC
;;Description: it gets an IP from Index, scans each entry in the table and writes
@ -429,18 +325,6 @@ proc arp_table_manager stdcall uses ebx esi edi ecx edx, Opcode:DWORD,Index:DWOR
;;END IP_TO_MAC
;;BEGIN GET_ENTRIES_NUMBER
;;Description: returns an ARP-entries number in the ARPTable
;;IN: Operation: ARP_TABLE_GET_ENTRIES_NUMBER
;; Index: must be zero
;; Extra: must be zero
;;OUT:
;; EAX=ARP-entries number in the ARPTable
.get_entries_number:
mov eax, dword[NumARP]
jmp .exit
;;END GET_ENTRIES_NUMBER
.exit:
ret
endp

6
kernel/branches/net/network/stack.inc
View File

@ -55,8 +55,8 @@ SOCKET_PASSIVE equ 0
SOCKET_ACTIVE equ 1
include "queue.inc"
include "arp.inc"
include "ipv4.inc"
include "ARP.inc"
include "IPv4.inc"
include "ethernet.inc"
include "socket.inc"
;include "tcp.inc"
@ -132,7 +132,7 @@ stack_handler:
mov [last_1sTick], al
; call ARP_decrease_entry_ttls
call ARP_decrease_entry_ttls
call IPv4_decrease_fragment_ttls
; call tcp_tcb_handler