Fixed bug wich made kernel crash when stack was used with no driver loaded.

Made some code more logical regarding stats 

git-svn-id: svn://kolibrios.org@1174 a494cfbc-eb01-0410-851d-a64ba20cac60

kernel/branches/net/applications/zeroconf/zeroconf.asm

@@ -158,6 +158,10 @@ START:					    ; start of execution
 ;    eth.read_mac MAC
 
     mcall 75, 1337 shl 16 + 4
+
+    cmp     eax, -1
+    je	    close
+
     mov   word[MAC], bx
     mov   dword[MAC+2], eax
 

kernel/branches/net/drivers/RTL8139.asm

@@ -824,8 +824,8 @@ transmit:
 	inc	[ebx+device.packets_tx] 	 ;
 	mov	eax, [esp+4]			 ; Get packet size in eax
 
-	add	dword [ebx + device.bytes_tx + 4], eax
+	add	dword [ebx + device.bytes_tx], eax
-	adc	dword [ebx + device.bytes_tx], 0
+	adc	dword [ebx + device.bytes_tx + 4], 0
 
 ;        or      eax, (ERTXTH shl BIT_ERTXTH)     ; Set descriptor size and the early tx treshold into the correct Transmission status register (TSD0, TSD1, TSD2 or TSD3)
 	out	dx , eax			 ;
@@ -906,8 +906,8 @@ int_handler:
 	jz	.reset_rx
 						    ; packet is ok, copy it
 	movzx	ecx, word [eax+2]		    ; packet length
-	add	dword [ebx + device.bytes_rx + 4], ecx	; Update stats
+	add	dword [ebx + device.bytes_rx], ecx  ; Update stats
-	adc	dword [ebx + device.bytes_rx], 0
+	adc	dword [ebx + device.bytes_rx + 4], 0
 	inc	dword [ebx + device.packets_rx]     ;
 	sub	ecx, 4				    ; don't copy CRC
 	DEBUGF	1,"Received %u bytes\n", ecx

kernel/branches/net/network/ethernet.inc

@@ -74,18 +74,17 @@ ETH_init:
 	mov	ecx, (1+MAX_ETH_DEVICES)
 	rep	stosd
 
-	mov	dword [ETH_IN_QUEUE], eax
+	mov	dword [ETH_IN_QUEUE], ETH_QUEUE_SIZE
 	mov	dword [ETH_IN_QUEUE+4], ETH_IN_QUEUE + queue.data
 	mov	dword [ETH_IN_QUEUE+8], ETH_IN_QUEUE + queue.data
 
-	mov	dword [ETH_OUT_QUEUE], eax
+	mov	dword [ETH_OUT_QUEUE], ETH_QUEUE_SIZE
 	mov	dword [ETH_OUT_QUEUE+4], ETH_OUT_QUEUE + queue.data
 	mov	dword [ETH_OUT_QUEUE+8], ETH_OUT_QUEUE + queue.data
 
 	ret
 
 
-
 ;---------------------------------------------------------
 ;
 ; ETH_Add_Device:
@@ -102,9 +101,17 @@ align 4
 ETH_Add_Device:
 
 	DEBUGF	1,"ETH_Add_Device: %x\n", ebx
-	cmp	[ETH_RUNNING], MAX_ETH_DEVICES
+
+	mov	eax, [ETH_RUNNING]
+	cmp	eax, MAX_ETH_DEVICES
 	jge	.error
 
+	test	eax, eax
+	jnz	.notfirst
+	mov	dword [ETH_IN_QUEUE], eax
+	mov	dword [ETH_OUT_QUEUE], eax
+      .notfirst:
+
 	mov	eax, ebx
 	mov	ecx, MAX_ETH_DEVICES	  ; We need to check whole list because a device may be removed without re-organizing list
 	mov	edi, ETH_DRV_LIST
@@ -142,6 +149,7 @@ ETH_Add_Device:
 ;        stosw                             ;
 
 	inc	[ETH_RUNNING]		  ; Indicate that one more ethernet device is up and running
+
 ;        pop     eax                       ; Output device num in eax
 	DEBUGF	1,"- succes: %u\n",eax
 	ret
@@ -184,6 +192,12 @@ ETH_Remove_Device:
 	mov	dword [edi-4], eax
 
 	dec	[ETH_RUNNING]
+	jnz	.notlast
+
+	mov	dword [ETH_IN_QUEUE], ETH_QUEUE_SIZE
+	mov	dword [ETH_OUT_QUEUE], ETH_QUEUE_SIZE
+
+       .notlast:
 
 	ret
 
@@ -470,14 +484,19 @@ ETH_API:
 	add	eax, ETH_DRV_LIST
 	mov	eax, dword [eax]
 	mov	eax, dword [eax + ETH_DEVICE.bytes_tx + 4]
+	mov	eax, dword [eax + ETH_DEVICE.bytes_tx]
+	mov	[esp+20+4], ebx 			; TODO: fix this ugly code
 	ret
 
 .bytes_rx:
 	add	eax, ETH_DRV_LIST
 	mov	eax, dword [eax]
-	mov	eax, dword [eax + ETH_DEVICE.bytes_rx + 4]
+	mov	ebx, dword [eax + ETH_DEVICE.bytes_rx + 4]
+	mov	eax, dword [eax + ETH_DEVICE.bytes_rx]
+	mov	[esp+20+4], ebx 			; TODO: fix this ugly code
 	ret
 
+
 .read_mac:
 	add	eax, ETH_DRV_LIST
 	mov	eax, [eax]