Re: [RTnet-users] r7168 using the rt_r8169.ko driver

[Hidde V. (E2M) <hve...@e2...>]

On Wed, Oct 9, 2013 at 12:15 PM, Jan Kiszka <jan...@we...> wrote:
> On 2013-10-09 11:13, Hidde Verstoep (E2M) wrote:
>> A lot of other rt drivers use busy waits for small timeouts.
>> However, the timeout here is quite large and a busy wait does not seem
>> like the right solution. I wanted to try to use the rtdm timer service
>> (http://www.xenomai.org/documentation/trunk/html/api/group__rtdmtimer.html).
>> However, these timers are not able to pass context to a handler. So, a
>> handler wouldn't know which device to check in case of multiple
>> devices. Could you give a suggestion as how to solve it Jan?
>
> container_of(timer...) - the timer object is usually embedded in a
> struct that describes the required context. But you don't need
> real-timer timers unless the timeout is on the critical path. That
> wasn't the case with RTnet drivers so far.

I fixed the issue using rtdm timers (using your suggestion of
container_of). The patch is attached.

Hidde