On Fri, 2019-11-08 at 11:56 +0100, Toke Høiland-Jørgensen wrote:
> Johannes Berg <johan...@sipsolutions.net> writes:
>
> > On Wed, 2019-10-23 at 11:59 +0200, Toke Høiland-Jørgensen wrote:
> > >
> > > +void ieee80211_sta_update_pending_airtime(struct ieee80211_local *local,
> > > + struct sta_info *sta, u8 ac,
> > > + u16 tx_airtime, bool tx_completed)
> > > +{
> > > + spin_lock_bh(&local->active_txq_lock[ac]);
> > > + if (tx_completed) {
> > > + if (sta) {
> > > + if (WARN_ONCE(sta->airtime[ac].aql_tx_pending <
> > > tx_airtime,
> > > + "TXQ pending airtime underflow: %u, %u",
> > > + sta->airtime[ac].aql_tx_pending,
> > > tx_airtime))
> >
> > Maybe add the STA/AC to the message?
>
> Can do. Any idea why we might be seeing underflows (as Kan reported)?
No, I really have no idea. The shifting looked OK to me, though I didn't
review it carefully enough to say I've really looked at all places ...
johannes
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