How to design protocol stack with can-bus driver of character driver

[cheng chen]

OK, I guess at least my previous work can be used for reference group.
Thanks for both of you.

On Fri, Jan 14, 2011 at 1:40 AM, Greg KH <greg at kroah.com> wrote:

> On Fri, Jan 14, 2011 at 12:42:52AM +0800, cheng chen wrote:
> > Hi all,
> > I am working on vehicle body control system with can-bus as my BE final
> > project.
> > It contains three parts.
> >
> > 1.CAN chip driver
> > 2.CAN-bus protocol stack
> > 3.UI
> >
> > The problem is that I already have written the CAN chip driver as  a
> > character device driver using IO-simulated SPI.
>
> Oops, don't do that.
>
> > So with this character driver API open() read() write() ioctl(), I start
> to
> > wonder where can I put my protocol stack?
>
> Use the in-kernel CAN protocol stack, that is much easier.
>
> > Or should rewrite the driver in network device frameworks?
>
> Yes.
>
> thanks,
>
> greg k-h
>
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