Added error reporting to some of the network drivers in net branch

git-svn-id: svn://kolibrios.org@2387 a494cfbc-eb01-0410-851d-a64ba20cac60

kernel/branches/net/drivers/3c59x.asm

@@ -2394,6 +2394,7 @@ boomerang_transmit:
 
   .fail:
         stdcall KernelFree, [esp+4]
+        or      eax, -1
         ret     8
 
 

kernel/branches/net/drivers/RTL8029.asm

@@ -720,9 +720,12 @@ transmit:
         add     dword [device.bytes_tx], eax
         adc     dword [device.bytes_tx + 4], 0
 
+        stdcall KernelFree, [esp+4]
+        xor     eax, eax
+        ret     8
+
 .err:
         or      eax, -1
-.finish:
         stdcall KernelFree, [esp+4]
         ret     8
 

kernel/branches/net/drivers/RTL8139.asm

@@ -728,6 +728,7 @@ transmit:
   .fail:
         DEBUGF  1,"failed!\n"
         stdcall KernelFree, [esp+4]
+        or      eax, -1
         ret     8
 
 

kernel/branches/net/drivers/RTL8169.asm

@@ -1085,6 +1085,7 @@ transmit:
         add     dword [device.bytes_tx], eax
         adc     dword [device.bytes_tx + 4], 0
 
+        xor     eax, eax
         ret     8
 
   .fail:

kernel/branches/net/drivers/i8255x.asm

@@ -595,9 +595,9 @@ transmit:
         [eax+13]:2,[eax+12]:2
 
         cmp     dword [esp+8], 1500
-	jg	.finish 			; packet is too long
+        jg      .error                          ; packet is too long
         cmp     dword [esp+8], 60
-	jl	.finish 			; packet is too short
+        jl      .error                          ; packet is too short
 
         set_io  0
         in      ax, dx
@@ -643,9 +643,13 @@ transmit:
         in      ax, dx
 
   .finish:
+        xor     eax, eax
         ret     8
 
-
+  .error:
+        stdcall KernelFree, [esp+4]
+        or      eax, -1
+        ret     8
 
 ;;;;;;;;;;;;;;;;;;;;;;;
 ;;                   ;;

kernel/branches/net/drivers/pcnet32.asm

@@ -956,9 +956,9 @@ transmit:
         [eax+13]:2,[eax+12]:2
 
         cmp     dword [esp+8], 1514
-	jg	.finish 			; packet is too long
+        jg      .nospace                        ; packet is too long
         cmp     dword [esp+8], 60
-	jl	.finish 			; packet is too short
+        jl      .nospace                        ; packet is too short
 
 ; check descriptor
         movzx   eax, [device.cur_tx]
@@ -1000,12 +1000,13 @@ transmit:
 .finish:
         DEBUGF  2," - Done!\n"
         stdcall KernelFree, [esp+4]
+        xor     eax, eax
         ret     8
 
 .nospace:
         DEBUGF  1, 'ERROR: no free transmit descriptors\n'
-; todo: maybe somehow notify the kernel about the error?
         stdcall KernelFree, [esp+4]
+        or      eax, -1
         ret     8
 
 

kernel/branches/net/drivers/sis900.asm

@@ -1258,10 +1258,10 @@ align 4
 transmit:
 
         cmp     dword [esp+8], MAX_ETH_FRAME_SIZE
-	ja	.finish
+        ja      .error
 
         cmp     dword [esp+8], 60
-	jb	.finish
+        jb      .error
 
         movzx   ecx, [device.cur_tx]
         shl     ecx, 4
@@ -1286,7 +1286,12 @@ transmit:
         adc     dword [device.bytes_tx+4], 0
 
   .finish:
+        xor     eax, eax
+        ret     8
 
+  .error:
+        stdcall KernelFree, [esp+4]
+        or      eax, -1
         ret     8