mac80211: add ieee80211_tx_status_noskb

This can be used by drivers that cannot reliably map tx status
information onto specific skbs.

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

1 files changed, 54 insertions, 0 deletions

diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index fee9c5ee51ae..bb146f377ee4 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -656,6 +656,60 @@ static int ieee80211_tx_get_rates(struct ieee80211_hw *hw,
         return rates_idx;
 }
 
+void ieee80211_tx_status_noskb(struct ieee80211_hw *hw,
+                               struct ieee80211_sta *pubsta,
+                               struct ieee80211_tx_info *info)
+{
+        struct ieee80211_local *local = hw_to_local(hw);
+        struct ieee80211_supported_band *sband;
+        int retry_count;
+        int rates_idx;
+        bool acked;
+
+        rates_idx = ieee80211_tx_get_rates(hw, info, &retry_count);
+
+        sband = hw->wiphy->bands[info->band];
+
+        acked = !!(info->flags & IEEE80211_TX_STAT_ACK);
+        if (pubsta) {
+                struct sta_info *sta;
+
+                sta = container_of(pubsta, struct sta_info, sta);
+
+                if (!acked)
+                        sta->tx_retry_failed++;
+                sta->tx_retry_count += retry_count;
+
+                if (acked) {
+                        sta->last_rx = jiffies;
+
+                        if (sta->lost_packets)
+                                sta->lost_packets = 0;
+
+                        /* Track when last TDLS packet was ACKed */
+                        if (test_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH))
+                                sta->last_tdls_pkt_time = jiffies;
+                } else {
+                        ieee80211_lost_packet(sta, info);
+                }
+
+                rate_control_tx_status_noskb(local, sband, sta, info);
+        }
+
+        if (acked) {
+                    local->dot11TransmittedFrameCount++;
+                    if (!pubsta)
+                            local->dot11MulticastTransmittedFrameCount++;
+                    if (retry_count > 0)
+                            local->dot11RetryCount++;
+                    if (retry_count > 1)
+                            local->dot11MultipleRetryCount++;
+        } else {
+                local->dot11FailedCount++;
+        }
+}
+EXPORT_SYMBOL(ieee80211_tx_status_noskb);
+
 void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
 {
         struct sk_buff *skb2;