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path: root/drivers/net/wireless/rt2x00/rt2x00mac.c
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Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00mac.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00mac.c75
1 files changed, 54 insertions, 21 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c
index f3da051df39..661c6baad2b 100644
--- a/drivers/net/wireless/rt2x00/rt2x00mac.c
+++ b/drivers/net/wireless/rt2x00/rt2x00mac.c
@@ -99,7 +99,7 @@ static int rt2x00mac_tx_rts_cts(struct rt2x00_dev *rt2x00dev,
return retval;
}
-int rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+void rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
{
struct rt2x00_dev *rt2x00dev = hw->priv;
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
@@ -116,13 +116,13 @@ int rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
goto exit_fail;
/*
- * Determine which queue to put packet on.
+ * Use the ATIM queue if appropriate and present.
*/
if (tx_info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM &&
test_bit(DRIVER_REQUIRE_ATIM_QUEUE, &rt2x00dev->flags))
- queue = rt2x00queue_get_queue(rt2x00dev, QID_ATIM);
- else
- queue = rt2x00queue_get_queue(rt2x00dev, qid);
+ qid = QID_ATIM;
+
+ queue = rt2x00queue_get_tx_queue(rt2x00dev, qid);
if (unlikely(!queue)) {
ERROR(rt2x00dev,
"Attempt to send packet over invalid queue %d.\n"
@@ -139,9 +139,9 @@ int rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
* either RTS or CTS-to-self frame and handles everything
* inside the hardware.
*/
- if ((tx_info->control.rates[0].flags & (IEEE80211_TX_RC_USE_RTS_CTS |
- IEEE80211_TX_RC_USE_CTS_PROTECT)) &&
- !rt2x00dev->ops->hw->set_rts_threshold) {
+ if (!rt2x00dev->ops->hw->set_rts_threshold &&
+ (tx_info->control.rates[0].flags & (IEEE80211_TX_RC_USE_RTS_CTS |
+ IEEE80211_TX_RC_USE_CTS_PROTECT))) {
if (rt2x00queue_available(queue) <= 1)
goto exit_fail;
@@ -149,18 +149,17 @@ int rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
goto exit_fail;
}
- if (rt2x00queue_write_tx_frame(queue, skb, false))
+ if (unlikely(rt2x00queue_write_tx_frame(queue, skb, false)))
goto exit_fail;
if (rt2x00queue_threshold(queue))
rt2x00queue_pause_queue(queue);
- return NETDEV_TX_OK;
+ return;
exit_fail:
ieee80211_stop_queue(rt2x00dev->hw, qid);
dev_kfree_skb_any(skb);
- return NETDEV_TX_OK;
}
EXPORT_SYMBOL_GPL(rt2x00mac_tx);
@@ -191,7 +190,7 @@ int rt2x00mac_add_interface(struct ieee80211_hw *hw,
{
struct rt2x00_dev *rt2x00dev = hw->priv;
struct rt2x00_intf *intf = vif_to_intf(vif);
- struct data_queue *queue = rt2x00queue_get_queue(rt2x00dev, QID_BEACON);
+ struct data_queue *queue = rt2x00dev->bcn;
struct queue_entry *entry = NULL;
unsigned int i;
@@ -519,11 +518,9 @@ int rt2x00mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
crypto.cmd = cmd;
- if (sta) {
- /* some drivers need the AID */
- crypto.aid = sta->aid;
+ if (sta)
crypto.address = sta->addr;
- } else
+ else
crypto.address = bcast_addr;
if (crypto.cipher == CIPHER_TKIP)
@@ -617,11 +614,47 @@ void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw,
bss_conf->bssid);
/*
- * Update the beacon.
+ * Update the beacon. This is only required on USB devices. PCI
+ * devices fetch beacons periodically.
*/
- if (changes & (BSS_CHANGED_BEACON | BSS_CHANGED_BEACON_ENABLED))
- rt2x00queue_update_beacon(rt2x00dev, vif,
- bss_conf->enable_beacon);
+ if (changes & BSS_CHANGED_BEACON && rt2x00_is_usb(rt2x00dev))
+ rt2x00queue_update_beacon(rt2x00dev, vif);
+
+ /*
+ * Start/stop beaconing.
+ */
+ if (changes & BSS_CHANGED_BEACON_ENABLED) {
+ if (!bss_conf->enable_beacon && intf->enable_beacon) {
+ rt2x00queue_clear_beacon(rt2x00dev, vif);
+ rt2x00dev->intf_beaconing--;
+ intf->enable_beacon = false;
+
+ if (rt2x00dev->intf_beaconing == 0) {
+ /*
+ * Last beaconing interface disabled
+ * -> stop beacon queue.
+ */
+ mutex_lock(&intf->beacon_skb_mutex);
+ rt2x00queue_stop_queue(rt2x00dev->bcn);
+ mutex_unlock(&intf->beacon_skb_mutex);
+ }
+
+
+ } else if (bss_conf->enable_beacon && !intf->enable_beacon) {
+ rt2x00dev->intf_beaconing++;
+ intf->enable_beacon = true;
+
+ if (rt2x00dev->intf_beaconing == 1) {
+ /*
+ * First beaconing interface enabled
+ * -> start beacon queue.
+ */
+ mutex_lock(&intf->beacon_skb_mutex);
+ rt2x00queue_start_queue(rt2x00dev->bcn);
+ mutex_unlock(&intf->beacon_skb_mutex);
+ }
+ }
+ }
/*
* When the association status has changed we must reset the link
@@ -657,7 +690,7 @@ int rt2x00mac_conf_tx(struct ieee80211_hw *hw, u16 queue_idx,
struct rt2x00_dev *rt2x00dev = hw->priv;
struct data_queue *queue;
- queue = rt2x00queue_get_queue(rt2x00dev, queue_idx);
+ queue = rt2x00queue_get_tx_queue(rt2x00dev, queue_idx);
if (unlikely(!queue))
return -EINVAL;