diff options
Diffstat (limited to 'net/mac80211')
| -rw-r--r-- | net/mac80211/Kconfig | 6 | ||||
| -rw-r--r-- | net/mac80211/agg-rx.c | 11 | ||||
| -rw-r--r-- | net/mac80211/cfg.c | 2 | ||||
| -rw-r--r-- | net/mac80211/ieee80211_i.h | 2 | ||||
| -rw-r--r-- | net/mac80211/main.c | 12 | ||||
| -rw-r--r-- | net/mac80211/status.c | 7 | ||||
| -rw-r--r-- | net/mac80211/tx.c | 5 |
7 files changed, 29 insertions, 16 deletions
diff --git a/net/mac80211/Kconfig b/net/mac80211/Kconfig index 9109262abd24..c766056d0488 100644 --- a/net/mac80211/Kconfig +++ b/net/mac80211/Kconfig @@ -20,7 +20,7 @@ config MAC80211_HAS_RC def_bool n config MAC80211_RC_PID - bool "PID controller based rate control algorithm" if EMBEDDED + bool "PID controller based rate control algorithm" if EXPERT select MAC80211_HAS_RC ---help--- This option enables a TX rate control algorithm for @@ -28,14 +28,14 @@ config MAC80211_RC_PID rate. config MAC80211_RC_MINSTREL - bool "Minstrel" if EMBEDDED + bool "Minstrel" if EXPERT select MAC80211_HAS_RC default y ---help--- This option enables the 'minstrel' TX rate control algorithm config MAC80211_RC_MINSTREL_HT - bool "Minstrel 802.11n support" if EMBEDDED + bool "Minstrel 802.11n support" if EXPERT depends on MAC80211_RC_MINSTREL default y ---help--- diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c index f138b195d657..227ca82eef72 100644 --- a/net/mac80211/agg-rx.c +++ b/net/mac80211/agg-rx.c @@ -185,8 +185,6 @@ void ieee80211_process_addba_request(struct ieee80211_local *local, struct ieee80211_mgmt *mgmt, size_t len) { - struct ieee80211_hw *hw = &local->hw; - struct ieee80211_conf *conf = &hw->conf; struct tid_ampdu_rx *tid_agg_rx; u16 capab, tid, timeout, ba_policy, buf_size, start_seq_num, status; u8 dialog_token; @@ -231,13 +229,8 @@ void ieee80211_process_addba_request(struct ieee80211_local *local, goto end_no_lock; } /* determine default buffer size */ - if (buf_size == 0) { - struct ieee80211_supported_band *sband; - - sband = local->hw.wiphy->bands[conf->channel->band]; - buf_size = IEEE80211_MIN_AMPDU_BUF; - buf_size = buf_size << sband->ht_cap.ampdu_factor; - } + if (buf_size == 0) + buf_size = IEEE80211_MAX_AMPDU_BUF; /* examine state machine */ diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 4bc8a9250cfd..9cd73b11506e 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -1822,6 +1822,7 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev, *cookie ^= 2; IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN; local->hw_roc_skb = skb; + local->hw_roc_skb_for_status = skb; mutex_unlock(&local->mtx); return 0; @@ -1875,6 +1876,7 @@ static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, if (ret == 0) { kfree_skb(local->hw_roc_skb); local->hw_roc_skb = NULL; + local->hw_roc_skb_for_status = NULL; } mutex_unlock(&local->mtx); diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index c47d7c0e48a4..533fd32f49ff 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -953,7 +953,7 @@ struct ieee80211_local { struct ieee80211_channel *hw_roc_channel; struct net_device *hw_roc_dev; - struct sk_buff *hw_roc_skb; + struct sk_buff *hw_roc_skb, *hw_roc_skb_for_status; struct work_struct hw_roc_start, hw_roc_done; enum nl80211_channel_type hw_roc_channel_type; unsigned int hw_roc_duration; diff --git a/net/mac80211/main.c b/net/mac80211/main.c index 485d36bc9a46..a46ff06d7cb8 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -39,6 +39,8 @@ module_param(ieee80211_disable_40mhz_24ghz, bool, 0644); MODULE_PARM_DESC(ieee80211_disable_40mhz_24ghz, "Disable 40MHz support in the 2.4GHz band"); +static struct lock_class_key ieee80211_rx_skb_queue_class; + void ieee80211_configure_filter(struct ieee80211_local *local) { u64 mc; @@ -569,7 +571,15 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, spin_lock_init(&local->filter_lock); spin_lock_init(&local->queue_stop_reason_lock); - skb_queue_head_init(&local->rx_skb_queue); + /* + * The rx_skb_queue is only accessed from tasklets, + * but other SKB queues are used from within IRQ + * context. Therefore, this one needs a different + * locking class so our direct, non-irq-safe use of + * the queue's lock doesn't throw lockdep warnings. + */ + skb_queue_head_init_class(&local->rx_skb_queue, + &ieee80211_rx_skb_queue_class); INIT_DELAYED_WORK(&local->scan_work, ieee80211_scan_work); diff --git a/net/mac80211/status.c b/net/mac80211/status.c index 38a797217a91..071ac95c4aa0 100644 --- a/net/mac80211/status.c +++ b/net/mac80211/status.c @@ -323,6 +323,7 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb) if (info->flags & IEEE80211_TX_INTFL_NL80211_FRAME_TX) { struct ieee80211_work *wk; + u64 cookie = (unsigned long)skb; rcu_read_lock(); list_for_each_entry_rcu(wk, &local->work_list, list) { @@ -334,8 +335,12 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb) break; } rcu_read_unlock(); + if (local->hw_roc_skb_for_status == skb) { + cookie = local->hw_roc_cookie ^ 2; + local->hw_roc_skb_for_status = NULL; + } cfg80211_mgmt_tx_status( - skb->dev, (unsigned long) skb, skb->data, skb->len, + skb->dev, cookie, skb->data, skb->len, !!(info->flags & IEEE80211_TX_STAT_ACK), GFP_ATOMIC); } diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index a449dd508682..306533ba0d3d 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1547,7 +1547,7 @@ static int ieee80211_skb_resize(struct ieee80211_local *local, skb_orphan(skb); } - if (skb_header_cloned(skb)) + if (skb_cloned(skb)) I802_DEBUG_INC(local->tx_expand_skb_head_cloned); else if (head_need || tail_need) I802_DEBUG_INC(local->tx_expand_skb_head); @@ -2230,6 +2230,9 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw, sdata = vif_to_sdata(vif); + if (!ieee80211_sdata_running(sdata)) + goto out; + if (tim_offset) *tim_offset = 0; if (tim_length) |