package/kernel/mac80211/patches/315-mac80211-add-tx_status_noskb-to-rate_control_ops.patch

   1 From: Felix Fietkau <nbd@openwrt.org>
   2 Date: Sat, 15 Nov 2014 22:23:44 +0100
   3 Subject: [PATCH] mac80211: add tx_status_noskb to rate_control_ops
   4
   5 This op works like .tx_status, except it does not need access to the
   6 skb. This will be used by drivers that cannot match tx status
   7 information to specific packets.
   8
   9 Signed-off-by: Felix Fietkau <nbd@openwrt.org>
  10 ---
  11
  12 --- a/include/net/mac80211.h
  13 +++ b/include/net/mac80211.h
  14 @@ -4727,6 +4727,10 @@ struct rate_control_ops {
  15         void (*free_sta)(void *priv, struct ieee80211_sta *sta,
  16                          void *priv_sta);
  17
  18 +       void (*tx_status_noskb)(void *priv,
  19 +                               struct ieee80211_supported_band *sband,
  20 +                               struct ieee80211_sta *sta, void *priv_sta,
  21 +                               struct ieee80211_tx_info *info);
  22         void (*tx_status)(void *priv, struct ieee80211_supported_band *sband,
  23                           struct ieee80211_sta *sta, void *priv_sta,
  24                           struct sk_buff *skb);
  25 --- a/net/mac80211/rate.h
  26 +++ b/net/mac80211/rate.h
  27 @@ -37,11 +37,15 @@ static inline void rate_control_tx_statu
  28         struct rate_control_ref *ref = local->rate_ctrl;
  29         struct ieee80211_sta *ista = &sta->sta;
  30         void *priv_sta = sta->rate_ctrl_priv;
  31 +       struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
  32
  33         if (!ref || !test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
  34                 return;
  35
  36 -       ref->ops->tx_status(ref->priv, sband, ista, priv_sta, skb);
  37 +       if (ref->ops->tx_status)
  38 +               ref->ops->tx_status(ref->priv, sband, ista, priv_sta, skb);
  39 +       else
  40 +               ref->ops->tx_status_noskb(ref->priv, sband, ista, priv_sta, info);
  41  }
  42
  43