Re: How to Disable Ethernet

Can't I debug the driver using messages over the serial
port (or run KITL over the serial port - albiet it would be
painfully slow)? If this is the case, how do I make sure
KITL is disabled. I dont think I want to disable on the
fly, I think I want to disable in the build. -Jeff


>-----Original Message-----
>Right. You can't have KITL running and use your driver at
the same time
>(interrupt and state sharing wouldn't allow that).
However, that doesn't
>mean that they were disabling on-the-fly in a running system!
>
>Yes, you *do* need to develop the driver for the final
product, but, in
>order to debug that driver, you have to have two Ethernet
ports so that you
>can run the debugger over one via KITL and test the other one.
>
>Paul T.
>
>"jeffs" <anonymous@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in
message
>news:0f5c01c5527a$ddd74e90$a401280a@xxxxxxxxxx
>> Hi Paul,
>>
>> Wow, I am very confused. I thought I read that people were
>> developing drivers for the ethernet (single ethernet port
>> systems) but they first had to disable KITL. You then
>> reroute your debug messages to the serial port since KITL
>> is no longer available for debugging. We are trying to
>> develop a controller with a single port that can access the
>> internet. My understanding from other posts is you want to
>> avoid using VMINI and the built in ethernet driver because
>> it is very inefficient (slow). You need to develop your
>> own NDIS driver for the actual final product.
>>
>> Thanks for the help, -Jeff
>>
>>
>>>-----Original Message-----
>>>That's just not the way it's supposed to work. If you
>> want to use Ethernet
>>>for download, you don't load your driver for the Ethernet,
>> you load VMini.
>>>There's a page in the 4.2 help called Ethernet Connection
>> Options that talks
>>>about using a single Ethernet connection for both download
>> and ordinary
>>>networking. I have not done that, but your OAL needs to
>> support it, too, as
>>>I read the documentation. There are just two ways to do
>> things, when you're
>>>using Ethernet for download:
>>>
>>>1. Two Ethernet adapters, one for download, one for the
CE OS.
>>>2. VMini and sharing of the Ethernet between KITL and the
>> CE OS (you
>>>wouldn't have a separate driver for the adapter installed,
>> in this case).
>>>
>>>Paul T.
>>>
>>>"jeffs" <anonymous@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in
>> message
>>>news:129101c55266$02a9a020$a601280a@xxxxxxxxxx
>>>> Thanks Paul,
>>>>
>>>> I dont mind living with it but I dont know how to make my
>>>> driver behave correctly with it. It receives constant
>>>> interrupts which are not intended for it (the
interrupt and
>>>> mask do not overlap). How should I handle this? I have
>>>> been struggling with this for 2 weeks. I am porting the
>>>> 91C96 driver to winCE 4.2 and the OS just gets stuck
>>>> calling this ISR over & over. The interrupt is
disabled in
>>>> OEMInterruptHandler. It is reenabled/cleared at the
end of
>>>> the interruptHandler per what I have read in the mesage
>>>> archives. In addition, I verify the hardware interrupt is
>>>> completely cleared (no pending hardware interrupt)
prior to
>>>> leaving the interrupt handler. I also changed the SYSINTR
>>>> value to a unique value (it no longer uses SYSINT_SMSC).
>>>>
>>>> Any help would be greatly appreciated. I can not find any
>>>> formal documentation on this anywhere.
>>>>
>>>> -Jeff
>>>>
>>>>
>>>>>-----Original Message-----
>>>>>Disable it? Program the OS into flash or wherever it will
>>>> be permanently
>>>>>stored and remove the KILT component from the OS. If you
>>>> have to use
>>>>>Ethernet to download, you're going to have to live with
>>>> sharing the port...
>>>>>
>>>>>Paul T.
>>>>>
>>>>>"jeffs" <anonymous@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in
>>>> message
>>>>>news:126501c55262$caea6a00$a601280a@xxxxxxxxxx
>>>>>> Hi Paul,
>>>>>>
>>>>>> How can I be sure that KITL is no longer accessing it?
>>>>>> When I run my driver, I get interrupts from the
91C96 that
>>>>>> should not be occuring (i.e. the interrupt does not
match
>>>>>> the mask). If I add a 10 second delay to the end of my
>>>>>> InterruptHandler, no interrupts occur during that time.
>>>>>> However, immediately upon return from the
InterruptHandler
>>>>>> a new interrupt is generated. There must be some other
>>>>>> code that is accessing the 91C96 that I have not
properly
>>>>>> turned off.
>>>>>>
>>>>>> Thanks for the help! -Jeff
>>>>>>
>>>>>>>-----Original Message-----
>>>>>>>If the cable is connected, there's a reasonable chance
>>>>>> that you'll get
>>>>>>>network traffic. Are you sure you're not seeing
broadcast
>>>>>> packets from
>>>>>>>other machines on your network getting to your
Windows CE
>>>>>> device?
>>>>>>>
>>>>>>>Is the device configured for DHCP? Maybe it's trying to
>>>>>> get an IP address
>>>>>>>from a DHCP server?
>>>>>>>
>>>>>>>Other 'things' in the system aren't going to access the
>>>>>> chip directly, once
>>>>>>>you've removed KITL. Everything will go through the
>>>>>> driver. That doesn't
>>>>>>>mean that many network services won't be sending and
>>>>>> receiving data, though.
>>>>>>>
>>>>>>>Paul T.
>>>>>>>
>>>>>>>"jeffs" <anonymous@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in
>>>>>> message
>>>>>>>news:0c7a01c55203$37f77170$a401280a@xxxxxxxxxx
>>>>>>>>I am adding an NDIS driver to a PXA255 board. OS is
>> winCE
>>>>>>>> 4.2 I want to make sure that nothing else
accesses the
>>>>>>>> 91C96 ethernet chip other than my driver. To do
this I
>>>>>>>> modified "OEMKitlInit" to only return FALSE to disable
>>>>>>>> KITL. In addition, under platform settings->build
>> options
>>>>>>>> I unchecked "KITL" & "CE Target Control support".
>>>>>>>>
>>>>>>>> With KITL supposedly turned off and no ethernet
drivers
>>>>>>>> added to the build I am still seeing constant access
>>>> to the
>>>>>>>> 91C96 chip. The TX light is constantly going & the
>>>>>>>> interrupt is constantly going.
>>>>>>>>
>>>>>>>> QUESTION : what else is accessing the 91C96? Have I
>>>>>>>> properly disabled KITL?
>>>>>>>>
>>>>>>>> The following environment variables are also set:
>>>>>>>> BSP_NOSHAREETH=1
>>>>>>>> KERNELNOSHAREETH=1
>>>>>>>> BSP_NOSERIAL=1
>>>>>>>>
>>>>>>>> Thanks in advance for any help -Jeff
>>>>>>>
>>>>>>>
>>>>>>>.
>>>>>>>
>>>>>
>>>>>
>>>>>.
>>>>>
>>>
>>>
>>>.
>>>
>
>
>.
>
.

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