mac80211: remove tx status call to ieee80211_sta_register_airtime
All drivers using airtime fairness are calling ieee80211_sta_register_airtime
directly, now they must. Document this as well.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://lore.kernel.org/r/20200908123702.88454-8-nbd@nbd.name
[johannes: update the documentation to suit]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 01612a8..ca270f7 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -1002,7 +1002,8 @@ ieee80211_rate_get_vht_nss(const struct ieee80211_tx_rate *rate)
* @status.ampdu_ack_len: AMPDU ack length
* @status.ampdu_len: AMPDU length
* @status.antenna: (legacy, kept only for iwlegacy)
- * @status.tx_time: airtime consumed for transmission
+ * @status.tx_time: airtime consumed for transmission; note this is only
+ * used for WMM AC, not for airtime fairness
* @status.is_valid_ack_signal: ACK signal is valid
* @status.status_driver_data: driver use area
* @ack: union part for pure ACK data
@@ -5676,7 +5677,7 @@ void ieee80211_send_eosp_nullfunc(struct ieee80211_sta *pubsta, int tid);
/**
* ieee80211_sta_register_airtime - register airtime usage for a sta/tid
*
- * Register airtime usage for a given sta on a given tid. The driver can call
+ * Register airtime usage for a given sta on a given tid. The driver must call
* this function to notify mac80211 that a station used a certain amount of
* airtime. This information will be used by the TXQ scheduler to schedule
* stations in a way that ensures airtime fairness.
