package/mac80211/patches/527-mac80211_use_ieee80211_free_txskb.patch

   1 --- a/net/mac80211/tx.c
   2 +++ b/net/mac80211/tx.c
   3 @@ -354,7 +354,7 @@ static void purge_old_ps_buffers(struct
   4                         total += skb_queue_len(&sta->ps_tx_buf[ac]);
   5                         if (skb) {
   6                                 purged++;
   7 -                               dev_kfree_skb(skb);
   8 +                               ieee80211_free_txskb(&local->hw, skb);
   9                                 break;
  10                         }
  11                 }
  12 @@ -466,7 +466,7 @@ ieee80211_tx_h_unicast_ps_buf(struct iee
  13                         ps_dbg(tx->sdata,
  14                                "STA %pM TX buffer for AC %d full - dropping oldest frame\n",
  15                                sta->sta.addr, ac);
  16 -                       dev_kfree_skb(old);
  17 +                       ieee80211_free_txskb(&local->hw, old);
  18                 } else
  19                         tx->local->total_ps_buffered++;
  20
  21 @@ -1103,7 +1103,7 @@ static bool ieee80211_tx_prep_agg(struct
  22                 spin_unlock(&tx->sta->lock);
  23
  24                 if (purge_skb)
  25 -                       dev_kfree_skb(purge_skb);
  26 +                       ieee80211_free_txskb(&tx->local->hw, purge_skb);
  27         }
  28
  29         /* reset session timer */
  30 @@ -1214,7 +1214,7 @@ static bool ieee80211_tx_frags(struct ie
  31  #ifdef CONFIG_MAC80211_VERBOSE_DEBUG
  32                 if (WARN_ON_ONCE(q >= local->hw.queues)) {
  33                         __skb_unlink(skb, skbs);
  34 -                       dev_kfree_skb(skb);
  35 +                       ieee80211_free_txskb(&local->hw, skb);
  36                         continue;
  37                 }
  38  #endif
  39 @@ -1356,7 +1356,7 @@ static int invoke_tx_handlers(struct iee
  40         if (unlikely(res == TX_DROP)) {
  41                 I802_DEBUG_INC(tx->local->tx_handlers_drop);
  42                 if (tx->skb)
  43 -                       dev_kfree_skb(tx->skb);
  44 +                       ieee80211_free_txskb(&tx->local->hw, tx->skb);
  45                 else
  46                         __skb_queue_purge(&tx->skbs);
  47                 return -1;
  48 @@ -1393,7 +1393,7 @@ static bool ieee80211_tx(struct ieee8021
  49         res_prepare = ieee80211_tx_prepare(sdata, &tx, skb);
  50
  51         if (unlikely(res_prepare == TX_DROP)) {
  52 -               dev_kfree_skb(skb);
  53 +               ieee80211_free_txskb(&local->hw, skb);
  54                 goto out;
  55         } else if (unlikely(res_prepare == TX_QUEUED)) {
  56                 goto out;
  57 @@ -1465,7 +1465,7 @@ void ieee80211_xmit(struct ieee80211_sub
  58         headroom = max_t(int, 0, headroom);
  59
  60         if (ieee80211_skb_resize(sdata, skb, headroom, may_encrypt)) {
  61 -               dev_kfree_skb(skb);
  62 +               ieee80211_free_txskb(&local->hw, skb);
  63                 rcu_read_unlock();
  64                 return;
  65         }
  66 @@ -2056,8 +2056,10 @@ netdev_tx_t ieee80211_subif_start_xmit(s
  67                 head_need += IEEE80211_ENCRYPT_HEADROOM;
  68                 head_need += local->tx_headroom;
  69                 head_need = max_t(int, 0, head_need);
  70 -               if (ieee80211_skb_resize(sdata, skb, head_need, true))
  71 -                       goto fail;
  72 +               if (ieee80211_skb_resize(sdata, skb, head_need, true)) {
  73 +                       ieee80211_free_txskb(&local->hw, skb);
  74 +                       return NETDEV_TX_OK;
  75 +               }
  76         }
  77
  78         if (encaps_data) {
  79 @@ -2190,7 +2192,7 @@ void ieee80211_tx_pending(unsigned long
  80                         struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
  81
  82                         if (WARN_ON(!info->control.vif)) {
  83 -                               kfree_skb(skb);
  84 +                               ieee80211_free_txskb(&local->hw, skb);
  85                                 continue;
  86                         }
  87
  88 --- a/net/mac80211/status.c
  89 +++ b/net/mac80211/status.c
  90 @@ -34,7 +34,7 @@ void ieee80211_tx_status_irqsafe(struct
  91                 skb_queue_len(&local->skb_queue_unreliable);
  92         while (tmp > IEEE80211_IRQSAFE_QUEUE_LIMIT &&
  93                (skb = skb_dequeue(&local->skb_queue_unreliable))) {
  94 -               dev_kfree_skb_irq(skb);
  95 +               ieee80211_free_txskb(hw, skb);
  96                 tmp--;
  97                 I802_DEBUG_INC(local->tx_status_drop);
  98         }
  99 @@ -159,7 +159,7 @@ static void ieee80211_handle_filtered_fr
 100                            "dropped TX filtered frame, queue_len=%d PS=%d @%lu\n",
 101                            skb_queue_len(&sta->tx_filtered[ac]),
 102                            !!test_sta_flag(sta, WLAN_STA_PS_STA), jiffies);
 103 -       dev_kfree_skb(skb);
 104 +       ieee80211_free_txskb(&local->hw, skb);
 105  }
 106
 107  static void ieee80211_check_pending_bar(struct sta_info *sta, u8 *addr, u8 tid)