mac80211: make rate control tx status API more extensible

Rename .tx_status_noskb to .tx_status_ext and pass a new on-stack
struct ieee80211_tx_status instead of struct ieee80211_tx_info.

This struct can be used to pass extra information, e.g. for dynamic tx
power control

Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

1 files changed, 22 insertions, 0 deletions

diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c
index 9d7a1cd949fb..b387c07b8b47 100644
--- a/net/mac80211/rate.c
+++ b/net/mac80211/rate.c
@@ -62,6 +62,28 @@ void rate_control_rate_init(struct sta_info *sta)
         set_sta_flag(sta, WLAN_STA_RATE_CONTROL);
 }
 
+void rate_control_tx_status(struct ieee80211_local *local,
+                            struct ieee80211_supported_band *sband,
+                            struct ieee80211_tx_status *st)
+{
+        struct rate_control_ref *ref = local->rate_ctrl;
+        struct sta_info *sta = container_of(st->sta, struct sta_info, sta);
+        void *priv_sta = sta->rate_ctrl_priv;
+
+        if (!ref || !test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
+                return;
+
+        spin_lock_bh(&sta->rate_ctrl_lock);
+        if (ref->ops->tx_status_ext)
+                ref->ops->tx_status_ext(ref->priv, sband, priv_sta, st);
+        else if (st->skb)
+                ref->ops->tx_status(ref->priv, sband, st->sta, priv_sta, st->skb);
+        else
+                WARN_ON_ONCE(1);
+
+        spin_unlock_bh(&sta->rate_ctrl_lock);
+}
+
 void rate_control_rate_update(struct ieee80211_local *local,
                                     struct ieee80211_supported_band *sband,
                                     struct sta_info *sta, u32 changed)