diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00mac.c')
-rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00mac.c | 97 |
1 files changed, 73 insertions, 24 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c index bc159bed4f6..e6daf129cc3 100644 --- a/drivers/net/wireless/rt2x00/rt2x00mac.c +++ b/drivers/net/wireless/rt2x00/rt2x00mac.c @@ -169,7 +169,7 @@ void rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb) rt2x00queue_pause_queue(queue); spin_unlock(&queue->tx_lock); exit_free_skb: - dev_kfree_skb_any(skb); + ieee80211_free_txskb(hw, skb); } EXPORT_SYMBOL_GPL(rt2x00mac_tx); @@ -277,7 +277,6 @@ int rt2x00mac_add_interface(struct ieee80211_hw *hw, else rt2x00dev->intf_sta_count++; - spin_lock_init(&intf->seqlock); mutex_init(&intf->beacon_skb_mutex); intf->beacon = entry; @@ -503,6 +502,7 @@ int rt2x00mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, struct rt2x00lib_crypto crypto; static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, }; + struct rt2x00_sta *sta_priv = NULL; if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags)) return 0; @@ -513,24 +513,20 @@ int rt2x00mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, memset(&crypto, 0, sizeof(crypto)); - /* - * When in STA mode, bssidx is always 0 otherwise local_address[5] - * contains the bss number, see BSS_ID_MASK comments for details. - */ - if (rt2x00dev->intf_sta_count) - crypto.bssidx = 0; - else - crypto.bssidx = vif->addr[5] & (rt2x00dev->ops->max_ap_intf - 1); - + crypto.bssidx = rt2x00lib_get_bssidx(rt2x00dev, vif); crypto.cipher = rt2x00crypto_key_to_cipher(key); if (crypto.cipher == CIPHER_NONE) return -EOPNOTSUPP; + if (crypto.cipher == CIPHER_TKIP && rt2x00_is_usb(rt2x00dev)) + return -EOPNOTSUPP; crypto.cmd = cmd; - if (sta) + if (sta) { crypto.address = sta->addr; - else + sta_priv = sta_to_rt2x00_sta(sta); + crypto.wcid = sta_priv->wcid; + } else crypto.address = bcast_addr; if (crypto.cipher == CIPHER_TKIP) @@ -569,6 +565,39 @@ int rt2x00mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, EXPORT_SYMBOL_GPL(rt2x00mac_set_key); #endif /* CONFIG_RT2X00_LIB_CRYPTO */ +int rt2x00mac_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_sta *sta) +{ + struct rt2x00_dev *rt2x00dev = hw->priv; + struct rt2x00_sta *sta_priv = sta_to_rt2x00_sta(sta); + + /* + * If there's no space left in the device table store + * -1 as wcid but tell mac80211 everything went ok. + */ + if (rt2x00dev->ops->lib->sta_add(rt2x00dev, vif, sta)) + sta_priv->wcid = -1; + + return 0; +} +EXPORT_SYMBOL_GPL(rt2x00mac_sta_add); + +int rt2x00mac_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_sta *sta) +{ + struct rt2x00_dev *rt2x00dev = hw->priv; + struct rt2x00_sta *sta_priv = sta_to_rt2x00_sta(sta); + + /* + * If we never sent the STA to the device no need to clean it up. + */ + if (sta_priv->wcid < 0) + return 0; + + return rt2x00dev->ops->lib->sta_remove(rt2x00dev, sta_priv->wcid); +} +EXPORT_SYMBOL_GPL(rt2x00mac_sta_remove); + void rt2x00mac_sw_scan_start(struct ieee80211_hw *hw) { struct rt2x00_dev *rt2x00dev = hw->priv; @@ -624,20 +653,18 @@ void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw, bss_conf->bssid); /* - * Update the beacon. This is only required on USB devices. PCI - * devices fetch beacons periodically. - */ - 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; + /* + * Clear beacon in the H/W for this vif. This is needed + * to disable beaconing on this particular interface + * and keep it running on other interfaces. + */ + rt2x00queue_clear_beacon(rt2x00dev, vif); if (rt2x00dev->intf_beaconing == 0) { /* @@ -648,11 +675,15 @@ void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw, 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; + /* + * Upload beacon to the H/W. This is only required on + * USB devices. PCI devices fetch beacons periodically. + */ + if (rt2x00_is_usb(rt2x00dev)) + rt2x00queue_update_beacon(rt2x00dev, vif); if (rt2x00dev->intf_beaconing == 1) { /* @@ -694,7 +725,8 @@ void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw, } EXPORT_SYMBOL_GPL(rt2x00mac_bss_info_changed); -int rt2x00mac_conf_tx(struct ieee80211_hw *hw, u16 queue_idx, +int rt2x00mac_conf_tx(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, u16 queue_idx, const struct ieee80211_tx_queue_params *params) { struct rt2x00_dev *rt2x00dev = hw->priv; @@ -743,6 +775,9 @@ void rt2x00mac_flush(struct ieee80211_hw *hw, bool drop) struct rt2x00_dev *rt2x00dev = hw->priv; struct data_queue *queue; + if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags)) + return; + tx_queue_for_each(rt2x00dev, queue) rt2x00queue_flush_queue(queue, drop); } @@ -828,3 +863,17 @@ void rt2x00mac_get_ringparam(struct ieee80211_hw *hw, *rx_max = rt2x00dev->rx->limit; } EXPORT_SYMBOL_GPL(rt2x00mac_get_ringparam); + +bool rt2x00mac_tx_frames_pending(struct ieee80211_hw *hw) +{ + struct rt2x00_dev *rt2x00dev = hw->priv; + struct data_queue *queue; + + tx_queue_for_each(rt2x00dev, queue) { + if (!rt2x00queue_empty(queue)) + return true; + } + + return false; +} +EXPORT_SYMBOL_GPL(rt2x00mac_tx_frames_pending); |