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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, 61 insertions, 14 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c
index abbd857ec759..235e037e6509 100644
--- a/drivers/net/wireless/rt2x00/rt2x00mac.c
+++ b/drivers/net/wireless/rt2x00/rt2x00mac.c
@@ -273,16 +273,24 @@ int rt2x00mac_add_interface(struct ieee80211_hw *hw,
mutex_init(&intf->beacon_skb_mutex);
intf->beacon = entry;
- if (vif->type == NL80211_IFTYPE_AP)
- memcpy(&intf->bssid, vif->addr, ETH_ALEN);
- memcpy(&intf->mac, vif->addr, ETH_ALEN);
-
/*
* The MAC adddress must be configured after the device
* has been initialized. Otherwise the device can reset
* the MAC registers.
+ * The BSSID address must only be configured in AP mode,
+ * however we should not send an empty BSSID address for
+ * STA interfaces at this time, since this can cause
+ * invalid behavior in the device.
*/
- rt2x00lib_config_intf(rt2x00dev, intf, vif->type, intf->mac, NULL);
+ memcpy(&intf->mac, vif->addr, ETH_ALEN);
+ if (vif->type == NL80211_IFTYPE_AP) {
+ memcpy(&intf->bssid, vif->addr, ETH_ALEN);
+ rt2x00lib_config_intf(rt2x00dev, intf, vif->type,
+ intf->mac, intf->bssid);
+ } else {
+ rt2x00lib_config_intf(rt2x00dev, intf, vif->type,
+ intf->mac, NULL);
+ }
/*
* Some filters depend on the current working mode. We can force
@@ -346,9 +354,11 @@ int rt2x00mac_config(struct ieee80211_hw *hw, u32 changed)
/*
* Some configuration parameters (e.g. channel and antenna values) can
* only be set when the radio is enabled, but do require the RX to
- * be off.
+ * be off. During this period we should keep link tuning enabled,
+ * if for any reason the link tuner must be reset, this will be
+ * handled by rt2x00lib_config().
*/
- rt2x00lib_toggle_rx(rt2x00dev, STATE_RADIO_RX_OFF);
+ rt2x00lib_toggle_rx(rt2x00dev, STATE_RADIO_RX_OFF_LINK);
/*
* When we've just turned on the radio, we want to reprogram
@@ -366,7 +376,7 @@ int rt2x00mac_config(struct ieee80211_hw *hw, u32 changed)
rt2x00lib_config_antenna(rt2x00dev, rt2x00dev->default_ant);
/* Turn RX back on */
- rt2x00lib_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON);
+ rt2x00lib_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON_LINK);
return 0;
}
@@ -430,12 +440,36 @@ void rt2x00mac_configure_filter(struct ieee80211_hw *hw,
}
EXPORT_SYMBOL_GPL(rt2x00mac_configure_filter);
+static void rt2x00mac_set_tim_iter(void *data, u8 *mac,
+ struct ieee80211_vif *vif)
+{
+ struct rt2x00_intf *intf = vif_to_intf(vif);
+
+ if (vif->type != NL80211_IFTYPE_AP &&
+ vif->type != NL80211_IFTYPE_ADHOC &&
+ vif->type != NL80211_IFTYPE_MESH_POINT &&
+ vif->type != NL80211_IFTYPE_WDS)
+ return;
+
+ spin_lock(&intf->lock);
+ intf->delayed_flags |= DELAYED_UPDATE_BEACON;
+ spin_unlock(&intf->lock);
+}
+
int rt2x00mac_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
bool set)
{
struct rt2x00_dev *rt2x00dev = hw->priv;
- rt2x00lib_beacondone(rt2x00dev);
+ if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
+ return 0;
+
+ ieee80211_iterate_active_interfaces_atomic(rt2x00dev->hw,
+ rt2x00mac_set_tim_iter,
+ rt2x00dev);
+
+ /* queue work to upodate the beacon template */
+ ieee80211_queue_work(rt2x00dev->hw, &rt2x00dev->intf_work);
return 0;
}
EXPORT_SYMBOL_GPL(rt2x00mac_set_tim);
@@ -539,6 +573,22 @@ int rt2x00mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
EXPORT_SYMBOL_GPL(rt2x00mac_set_key);
#endif /* CONFIG_RT2X00_LIB_CRYPTO */
+void rt2x00mac_sw_scan_start(struct ieee80211_hw *hw)
+{
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+ __set_bit(DEVICE_STATE_SCANNING, &rt2x00dev->flags);
+ rt2x00link_stop_tuner(rt2x00dev);
+}
+EXPORT_SYMBOL_GPL(rt2x00mac_sw_scan_start);
+
+void rt2x00mac_sw_scan_complete(struct ieee80211_hw *hw)
+{
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+ __clear_bit(DEVICE_STATE_SCANNING, &rt2x00dev->flags);
+ rt2x00link_start_tuner(rt2x00dev);
+}
+EXPORT_SYMBOL_GPL(rt2x00mac_sw_scan_complete);
+
int rt2x00mac_get_stats(struct ieee80211_hw *hw,
struct ieee80211_low_level_stats *stats)
{
@@ -562,7 +612,6 @@ void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw,
{
struct rt2x00_dev *rt2x00dev = hw->priv;
struct rt2x00_intf *intf = vif_to_intf(vif);
- int update_bssid = 0;
/*
* mac80211 might be calling this function while we are trying
@@ -577,10 +626,8 @@ void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw,
* conf->bssid can be NULL if coming from the internal
* beacon update routine.
*/
- if (changes & BSS_CHANGED_BSSID) {
- update_bssid = 1;
+ if (changes & BSS_CHANGED_BSSID)
memcpy(&intf->bssid, bss_conf->bssid, ETH_ALEN);
- }
spin_unlock(&intf->lock);
@@ -592,7 +639,7 @@ void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw,
*/
if (changes & BSS_CHANGED_BSSID)
rt2x00lib_config_intf(rt2x00dev, intf, vif->type, NULL,
- update_bssid ? bss_conf->bssid : NULL);
+ bss_conf->bssid);
/*
* Update the beacon.