mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-16 18:57:31 +02:00
mac80211: add more tx skb free fixes (hopefully final fix to #11894)
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34133 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd
parent
42fc31c396
commit
69820b044e
@ -107,6 +107,15 @@
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/*
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* set_multicast_list will be invoked by the networking core
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@@ -849,7 +826,7 @@ static void ieee80211_do_stop(struct iee
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struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
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if (info->control.vif == &sdata->vif) {
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__skb_unlink(skb, &local->pending[i]);
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- dev_kfree_skb_irq(skb);
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+ ieee80211_free_txskb(&local->hw, skb);
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}
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}
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}
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@@ -997,6 +974,72 @@ static void ieee80211_if_setup(struct ne
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dev->destructor = free_netdev;
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}
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@ -257,6 +266,24 @@
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WLAN_STA_BLOCK_BA,
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--- a/net/mac80211/status.c
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+++ b/net/mac80211/status.c
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@@ -34,7 +34,7 @@ void ieee80211_tx_status_irqsafe(struct
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skb_queue_len(&local->skb_queue_unreliable);
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while (tmp > IEEE80211_IRQSAFE_QUEUE_LIMIT &&
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(skb = skb_dequeue(&local->skb_queue_unreliable))) {
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- dev_kfree_skb_irq(skb);
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+ ieee80211_free_txskb(hw, skb);
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tmp--;
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I802_DEBUG_INC(local->tx_status_drop);
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}
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@@ -159,7 +159,7 @@ static void ieee80211_handle_filtered_fr
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"dropped TX filtered frame, queue_len=%d PS=%d @%lu\n",
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skb_queue_len(&sta->tx_filtered[ac]),
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!!test_sta_flag(sta, WLAN_STA_PS_STA), jiffies);
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- dev_kfree_skb(skb);
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+ ieee80211_free_txskb(&local->hw, skb);
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}
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static void ieee80211_check_pending_bar(struct sta_info *sta, u8 *addr, u8 tid)
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@@ -324,6 +324,75 @@ static void ieee80211_add_tx_radiotap_he
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}
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@ -385,7 +412,7 @@
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/* this was a transmitted frame, but now we want to reuse it */
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skb_orphan(skb);
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@@ -634,25 +660,8 @@ EXPORT_SYMBOL(ieee80211_report_low_ack);
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@@ -634,25 +660,17 @@ EXPORT_SYMBOL(ieee80211_report_low_ack);
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void ieee80211_free_txskb(struct ieee80211_hw *hw, struct sk_buff *skb)
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{
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struct ieee80211_local *local = hw_to_local(hw);
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@ -412,6 +439,15 @@
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dev_kfree_skb_any(skb);
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}
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EXPORT_SYMBOL(ieee80211_free_txskb);
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+
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+void ieee80211_purge_tx_queue(struct ieee80211_hw *hw,
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+ struct sk_buff_head *skbs)
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+{
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+ struct sk_buff *skb;
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+
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+ while ((skb = __skb_dequeue(skbs)))
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+ ieee80211_free_txskb(hw, skb);
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+}
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--- a/drivers/net/wireless/p54/main.c
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+++ b/drivers/net/wireless/p54/main.c
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@@ -139,6 +139,7 @@ static int p54_beacon_format_ie_tim(stru
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@ -630,6 +666,24 @@
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--- a/net/mac80211/sta_info.c
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+++ b/net/mac80211/sta_info.c
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@@ -585,7 +585,7 @@ static bool sta_info_cleanup_expire_buff
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*/
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if (!skb)
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break;
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- dev_kfree_skb(skb);
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+ ieee80211_free_txskb(&local->hw, skb);
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}
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/*
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@@ -614,7 +614,7 @@ static bool sta_info_cleanup_expire_buff
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local->total_ps_buffered--;
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ps_dbg(sta->sdata, "Buffered frame expired (STA %pM)\n",
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sta->sta.addr);
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- dev_kfree_skb(skb);
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+ ieee80211_free_txskb(&local->hw, skb);
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}
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/*
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@@ -674,7 +674,7 @@ int __must_check __sta_info_destroy(stru
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* will be sufficient.
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*/
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@ -639,6 +693,26 @@
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ret = sta_info_hash_del(local, sta);
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if (ret)
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@@ -730,8 +730,8 @@ int __must_check __sta_info_destroy(stru
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for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
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local->total_ps_buffered -= skb_queue_len(&sta->ps_tx_buf[ac]);
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- __skb_queue_purge(&sta->ps_tx_buf[ac]);
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- __skb_queue_purge(&sta->tx_filtered[ac]);
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+ ieee80211_purge_tx_queue(&local->hw, &sta->ps_tx_buf[ac]);
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+ ieee80211_purge_tx_queue(&local->hw, &sta->tx_filtered[ac]);
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}
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#ifdef CONFIG_MAC80211_MESH
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@@ -765,7 +765,7 @@ int __must_check __sta_info_destroy(stru
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tid_tx = rcu_dereference_raw(sta->ampdu_mlme.tid_tx[i]);
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if (!tid_tx)
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continue;
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- __skb_queue_purge(&tid_tx->pending);
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+ ieee80211_purge_tx_queue(&local->hw, &tid_tx->pending);
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kfree(tid_tx);
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}
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--- a/drivers/net/wireless/ath/ath5k/phy.c
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+++ b/drivers/net/wireless/ath/ath5k/phy.c
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@@ -1977,11 +1977,13 @@ ath5k_hw_set_spur_mitigation_filter(stru
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@ -674,8 +748,35 @@
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u8 quiet_elem_len;
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u8 num_of_quiet_elem; /* can be more the one */
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u8 timeout_int_len;
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@@ -1318,6 +1317,8 @@ netdev_tx_t ieee80211_monitor_start_xmit
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struct net_device *dev);
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netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
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struct net_device *dev);
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+void ieee80211_purge_tx_queue(struct ieee80211_hw *hw,
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+ struct sk_buff_head *skbs);
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/* HT */
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void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata,
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--- a/net/mac80211/util.c
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+++ b/net/mac80211/util.c
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@@ -406,7 +406,7 @@ void ieee80211_add_pending_skb(struct ie
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int queue = info->hw_queue;
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if (WARN_ON(!info->control.vif)) {
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- kfree_skb(skb);
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+ ieee80211_free_txskb(&local->hw, skb);
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return;
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}
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@@ -431,7 +431,7 @@ void ieee80211_add_pending_skbs_fn(struc
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struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
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if (WARN_ON(!info->control.vif)) {
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- kfree_skb(skb);
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+ ieee80211_free_txskb(&local->hw, skb);
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continue;
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}
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@@ -792,8 +792,11 @@ u32 ieee802_11_parse_elems_crc(u8 *start
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elems->country_elem_len = elen;
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break;
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@ -786,3 +887,109 @@
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ieee80211_queue_work(&local->hw, &local->reconfig_filter);
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break;
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default:
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--- a/net/mac80211/tx.c
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+++ b/net/mac80211/tx.c
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@@ -354,7 +354,7 @@ static void purge_old_ps_buffers(struct
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total += skb_queue_len(&sta->ps_tx_buf[ac]);
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if (skb) {
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purged++;
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- dev_kfree_skb(skb);
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+ ieee80211_free_txskb(&local->hw, skb);
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break;
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}
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}
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@@ -466,7 +466,7 @@ ieee80211_tx_h_unicast_ps_buf(struct iee
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ps_dbg(tx->sdata,
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"STA %pM TX buffer for AC %d full - dropping oldest frame\n",
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sta->sta.addr, ac);
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- dev_kfree_skb(old);
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+ ieee80211_free_txskb(&local->hw, old);
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} else
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tx->local->total_ps_buffered++;
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@@ -1103,7 +1103,7 @@ static bool ieee80211_tx_prep_agg(struct
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spin_unlock(&tx->sta->lock);
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if (purge_skb)
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- dev_kfree_skb(purge_skb);
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+ ieee80211_free_txskb(&tx->local->hw, purge_skb);
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}
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/* reset session timer */
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@@ -1214,7 +1214,7 @@ static bool ieee80211_tx_frags(struct ie
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#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
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if (WARN_ON_ONCE(q >= local->hw.queues)) {
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__skb_unlink(skb, skbs);
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- dev_kfree_skb(skb);
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+ ieee80211_free_txskb(&local->hw, skb);
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continue;
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}
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#endif
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@@ -1356,9 +1356,9 @@ static int invoke_tx_handlers(struct iee
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if (unlikely(res == TX_DROP)) {
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I802_DEBUG_INC(tx->local->tx_handlers_drop);
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if (tx->skb)
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- dev_kfree_skb(tx->skb);
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+ ieee80211_free_txskb(&tx->local->hw, tx->skb);
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else
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- __skb_queue_purge(&tx->skbs);
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+ ieee80211_purge_tx_queue(&tx->local->hw, &tx->skbs);
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return -1;
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} else if (unlikely(res == TX_QUEUED)) {
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I802_DEBUG_INC(tx->local->tx_handlers_queued);
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@@ -1393,7 +1393,7 @@ static bool ieee80211_tx(struct ieee8021
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res_prepare = ieee80211_tx_prepare(sdata, &tx, skb);
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if (unlikely(res_prepare == TX_DROP)) {
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- dev_kfree_skb(skb);
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+ ieee80211_free_txskb(&local->hw, skb);
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goto out;
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} else if (unlikely(res_prepare == TX_QUEUED)) {
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goto out;
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@@ -1465,7 +1465,7 @@ void ieee80211_xmit(struct ieee80211_sub
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headroom = max_t(int, 0, headroom);
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if (ieee80211_skb_resize(sdata, skb, headroom, may_encrypt)) {
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- dev_kfree_skb(skb);
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+ ieee80211_free_txskb(&local->hw, skb);
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rcu_read_unlock();
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return;
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}
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@@ -2056,8 +2056,10 @@ netdev_tx_t ieee80211_subif_start_xmit(s
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head_need += IEEE80211_ENCRYPT_HEADROOM;
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head_need += local->tx_headroom;
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head_need = max_t(int, 0, head_need);
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- if (ieee80211_skb_resize(sdata, skb, head_need, true))
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- goto fail;
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+ if (ieee80211_skb_resize(sdata, skb, head_need, true)) {
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+ ieee80211_free_txskb(&local->hw, skb);
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+ return NETDEV_TX_OK;
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+ }
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}
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if (encaps_data) {
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@@ -2124,10 +2126,13 @@ netdev_tx_t ieee80211_subif_start_xmit(s
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*/
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void ieee80211_clear_tx_pending(struct ieee80211_local *local)
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{
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+ struct sk_buff *skb;
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int i;
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- for (i = 0; i < local->hw.queues; i++)
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- skb_queue_purge(&local->pending[i]);
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+ for (i = 0; i < local->hw.queues; i++) {
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+ while ((skb = skb_dequeue(&local->pending[i])) != NULL)
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+ ieee80211_free_txskb(&local->hw, skb);
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+ }
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}
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/*
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@@ -2190,7 +2195,7 @@ void ieee80211_tx_pending(unsigned long
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struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
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if (WARN_ON(!info->control.vif)) {
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- kfree_skb(skb);
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+ ieee80211_free_txskb(&local->hw, skb);
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continue;
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}
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@ -1,158 +0,0 @@
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--- a/net/mac80211/tx.c
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+++ b/net/mac80211/tx.c
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@@ -354,7 +354,7 @@ static void purge_old_ps_buffers(struct
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total += skb_queue_len(&sta->ps_tx_buf[ac]);
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if (skb) {
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purged++;
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- dev_kfree_skb(skb);
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+ ieee80211_free_txskb(&local->hw, skb);
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break;
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}
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}
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@@ -466,7 +466,7 @@ ieee80211_tx_h_unicast_ps_buf(struct iee
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ps_dbg(tx->sdata,
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"STA %pM TX buffer for AC %d full - dropping oldest frame\n",
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sta->sta.addr, ac);
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- dev_kfree_skb(old);
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+ ieee80211_free_txskb(&local->hw, old);
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} else
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tx->local->total_ps_buffered++;
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@@ -1103,7 +1103,7 @@ static bool ieee80211_tx_prep_agg(struct
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spin_unlock(&tx->sta->lock);
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if (purge_skb)
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- dev_kfree_skb(purge_skb);
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+ ieee80211_free_txskb(&tx->local->hw, purge_skb);
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}
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/* reset session timer */
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@@ -1214,7 +1214,7 @@ static bool ieee80211_tx_frags(struct ie
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#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
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if (WARN_ON_ONCE(q >= local->hw.queues)) {
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__skb_unlink(skb, skbs);
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- dev_kfree_skb(skb);
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+ ieee80211_free_txskb(&local->hw, skb);
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continue;
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}
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#endif
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@@ -1356,7 +1356,7 @@ static int invoke_tx_handlers(struct iee
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if (unlikely(res == TX_DROP)) {
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I802_DEBUG_INC(tx->local->tx_handlers_drop);
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if (tx->skb)
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- dev_kfree_skb(tx->skb);
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+ ieee80211_free_txskb(&tx->local->hw, tx->skb);
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else
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__skb_queue_purge(&tx->skbs);
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return -1;
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@@ -1393,7 +1393,7 @@ static bool ieee80211_tx(struct ieee8021
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res_prepare = ieee80211_tx_prepare(sdata, &tx, skb);
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if (unlikely(res_prepare == TX_DROP)) {
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- dev_kfree_skb(skb);
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+ ieee80211_free_txskb(&local->hw, skb);
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goto out;
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} else if (unlikely(res_prepare == TX_QUEUED)) {
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goto out;
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@@ -1465,7 +1465,7 @@ void ieee80211_xmit(struct ieee80211_sub
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headroom = max_t(int, 0, headroom);
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if (ieee80211_skb_resize(sdata, skb, headroom, may_encrypt)) {
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- dev_kfree_skb(skb);
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+ ieee80211_free_txskb(&local->hw, skb);
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rcu_read_unlock();
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return;
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}
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@@ -2056,8 +2056,10 @@ netdev_tx_t ieee80211_subif_start_xmit(s
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head_need += IEEE80211_ENCRYPT_HEADROOM;
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head_need += local->tx_headroom;
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head_need = max_t(int, 0, head_need);
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- if (ieee80211_skb_resize(sdata, skb, head_need, true))
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- goto fail;
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+ if (ieee80211_skb_resize(sdata, skb, head_need, true)) {
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+ ieee80211_free_txskb(&local->hw, skb);
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+ return NETDEV_TX_OK;
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+ }
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}
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if (encaps_data) {
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@@ -2190,7 +2192,7 @@ void ieee80211_tx_pending(unsigned long
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struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
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if (WARN_ON(!info->control.vif)) {
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- kfree_skb(skb);
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+ ieee80211_free_txskb(&local->hw, skb);
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continue;
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}
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--- a/net/mac80211/status.c
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+++ b/net/mac80211/status.c
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@@ -34,7 +34,7 @@ void ieee80211_tx_status_irqsafe(struct
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skb_queue_len(&local->skb_queue_unreliable);
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while (tmp > IEEE80211_IRQSAFE_QUEUE_LIMIT &&
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(skb = skb_dequeue(&local->skb_queue_unreliable))) {
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- dev_kfree_skb_irq(skb);
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+ ieee80211_free_txskb(hw, skb);
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tmp--;
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I802_DEBUG_INC(local->tx_status_drop);
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}
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@@ -159,7 +159,7 @@ static void ieee80211_handle_filtered_fr
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"dropped TX filtered frame, queue_len=%d PS=%d @%lu\n",
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skb_queue_len(&sta->tx_filtered[ac]),
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!!test_sta_flag(sta, WLAN_STA_PS_STA), jiffies);
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- dev_kfree_skb(skb);
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+ ieee80211_free_txskb(&local->hw, skb);
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}
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static void ieee80211_check_pending_bar(struct sta_info *sta, u8 *addr, u8 tid)
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--- a/net/mac80211/iface.c
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+++ b/net/mac80211/iface.c
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@@ -826,7 +826,7 @@ static void ieee80211_do_stop(struct iee
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struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
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if (info->control.vif == &sdata->vif) {
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__skb_unlink(skb, &local->pending[i]);
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- dev_kfree_skb_irq(skb);
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+ ieee80211_free_txskb(&local->hw, skb);
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}
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}
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}
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--- a/net/mac80211/sta_info.c
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+++ b/net/mac80211/sta_info.c
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@@ -587,7 +587,7 @@ static bool sta_info_cleanup_expire_buff
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*/
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if (!skb)
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break;
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- dev_kfree_skb(skb);
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+ ieee80211_free_txskb(&local->hw, skb);
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}
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/*
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@@ -616,7 +616,7 @@ static bool sta_info_cleanup_expire_buff
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local->total_ps_buffered--;
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ps_dbg(sta->sdata, "Buffered frame expired (STA %pM)\n",
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sta->sta.addr);
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- dev_kfree_skb(skb);
|
||||
+ ieee80211_free_txskb(&local->hw, skb);
|
||||
}
|
||||
|
||||
/*
|
||||
--- a/net/mac80211/util.c
|
||||
+++ b/net/mac80211/util.c
|
||||
@@ -406,7 +406,7 @@ void ieee80211_add_pending_skb(struct ie
|
||||
int queue = info->hw_queue;
|
||||
|
||||
if (WARN_ON(!info->control.vif)) {
|
||||
- kfree_skb(skb);
|
||||
+ ieee80211_free_txskb(&local->hw, skb);
|
||||
return;
|
||||
}
|
||||
|
||||
@@ -431,7 +431,7 @@ void ieee80211_add_pending_skbs_fn(struc
|
||||
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
|
||||
|
||||
if (WARN_ON(!info->control.vif)) {
|
||||
- kfree_skb(skb);
|
||||
+ ieee80211_free_txskb(&local->hw, skb);
|
||||
continue;
|
||||
}
|
||||
|
||||
@ -69,7 +69,7 @@
|
||||
txrc.bss = (tx->sdata->vif.type == NL80211_IFTYPE_AP ||
|
||||
tx->sdata->vif.type == NL80211_IFTYPE_MESH_POINT ||
|
||||
tx->sdata->vif.type == NL80211_IFTYPE_ADHOC);
|
||||
@@ -2449,8 +2451,6 @@ struct sk_buff *ieee80211_beacon_get_tim
|
||||
@@ -2452,8 +2454,6 @@ struct sk_buff *ieee80211_beacon_get_tim
|
||||
txrc.max_rate_idx = -1;
|
||||
else
|
||||
txrc.max_rate_idx = fls(txrc.rate_idx_mask) - 1;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user