On Wed, May 29, 2019 at 11:33:31PM +0300, Vladimir Oltean wrote:
> I would like to avoid keeping meta frames in their own RX queue,
> because then I'm complicating (or rather put, making impossible) the
> association between a meta frame and the frame it holds a timestamp
> of.

We have an example of how a driver can match meta time stamp packets
with received packets.  See drivers/net/phy/dp83640.c to see how it
can be done completely within the driver.

Thanks,
Richard