mac80211: add tx_status_noskb to rate_control_ops

This op works like .tx_status, except it does not need access to the
skb. This will be used by drivers that cannot match tx status
information to specific packets.

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

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 66cbfe4..01dfd22 100644 (file)
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -4837,6 +4837,10 @@ struct rate_control_ops {
        void (*free_sta)(void *priv, struct ieee80211_sta *sta,
                         void *priv_sta);
 
+       void (*tx_status_noskb)(void *priv,
+                               struct ieee80211_supported_band *sband,
+                               struct ieee80211_sta *sta, void *priv_sta,
+                               struct ieee80211_tx_info *info);
        void (*tx_status)(void *priv, struct ieee80211_supported_band *sband,
                          struct ieee80211_sta *sta, void *priv_sta,
                          struct sk_buff *skb);

diff --git a/net/mac80211/rate.h b/net/mac80211/rate.h
index 18babe3..dd25964 100644 (file)
--- a/net/mac80211/rate.h
+++ b/net/mac80211/rate.h
@@ -37,11 +37,15 @@ static inline void rate_control_tx_status(struct ieee80211_local *local,
        struct rate_control_ref *ref = local->rate_ctrl;
        struct ieee80211_sta *ista = &sta->sta;
        void *priv_sta = sta->rate_ctrl_priv;
+       struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 
        if (!ref || !test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
                return;
 
-       ref->ops->tx_status(ref->priv, sband, ista, priv_sta, skb);
+       if (ref->ops->tx_status)
+               ref->ops->tx_status(ref->priv, sband, ista, priv_sta, skb);
+       else
+               ref->ops->tx_status_noskb(ref->priv, sband, ista, priv_sta, info);
 }