Simon Barber wrote:
> Pfifo_fast does not make sense because the 802.11 qdisc already
> categorizes the frames based on DSCP. The better thing would be to
> extract the pfifo qdisc so that it does not require NET_SCHED, but this
> is more work.

This patch should be enough to use it without NET_SCHED. You could of
course also allow modular build.