The HeaderSize in the OOB Data for the packet has probably not been set to
14 (the size of the Ethernet MAC header), resulting in this assert firing.

You can use the macro NDIS_SET_PACKET_HEADER_SIZE (defined in
ddk\inc\ndis.h) to set the HeaderSize.

--
Jeff Kelley / Microsoft
This posting is provided "AS IS" with no warranties, and confers no rights.


"sarath" wrote in message
news:1160815916.904891.15600@h48g2000cwc.googlegro ups.com...
> Hi all,
> My NDIS IM driver will cause a DEBUGCHK() "Unknown" in efilter.c:1799
> when
> calling NdisMIndicateReceivepacket() from one of my function.
>
> I copy the packet in the protocol receive function. I pass it to an
> application to modify the contents of data and get back the modified
> packet to IM driver function and call NdisMIndicateReceivePacket()
> which is failing with:
>
> Unknown: DEBUGCHK failed in file
> D:\macallan\private\winceos\COMM\ndis51\sys\.\efil ter.c at line 1799
>
> I use Platform Builder 5.0. Can anyone explain me the error and how to
> get it corrected??1
>
> Thanks,
> Sarath
>

Hi Jeff,
Thanks for the reply.
Now after setting it its working fine.
I am not getting the error.
i have another question. i would like to know how to change the
retransmission timeout parameter of tcpip in Wince.

Thanks,
Sarath
Jeff Kelley [MS] wrote:
> The HeaderSize in the OOB Data for the packet has probably not been set to
> 14 (the size of the Ethernet MAC header), resulting in this assert firing.
>
> You can use the macro NDIS_SET_PACKET_HEADER_SIZE (defined in
> ddk\inc\ndis.h) to set the HeaderSize.
>
> --
> Jeff Kelley / Microsoft
> This posting is provided "AS IS" with no warranties, and confers no rights.
>
>
> "sarath" wrote in message
> news:1160815916.904891.15600@h48g2000cwc.googlegro ups.com...
> > Hi all,
> > My NDIS IM driver will cause a DEBUGCHK() "Unknown" in efilter.c:1799
> > when
> > calling NdisMIndicateReceivepacket() from one of my function.
> >
> > I copy the packet in the protocol receive function. I pass it to an
> > application to modify the contents of data and get back the modified
> > packet to IM driver function and call NdisMIndicateReceivePacket()
> > which is failing with:
> >
> > Unknown: DEBUGCHK failed in file
> > D:\macallan\private\winceos\COMM\ndis51\sys\.\efil ter.c at line 1799
> >
> > I use Platform Builder 5.0. Can anyone explain me the error and how to
> > get it corrected??1
> >
> > Thanks,
> > Sarath
> >