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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.c72
1 files changed, 37 insertions, 35 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c
index 81febdfd6639..cb7b6d459331 100644
--- a/drivers/net/wireless/rt2x00/rt2x00mac.c
+++ b/drivers/net/wireless/rt2x00/rt2x00mac.c
@@ -274,6 +274,7 @@ int rt2x00mac_add_interface(struct ieee80211_hw *hw,
spin_lock_init(&intf->lock);
spin_lock_init(&intf->seqlock);
+ mutex_init(&intf->beacon_skb_mutex);
intf->beacon = entry;
if (conf->type == NL80211_IFTYPE_AP)
@@ -338,7 +339,6 @@ int rt2x00mac_config(struct ieee80211_hw *hw, u32 changed)
{
struct rt2x00_dev *rt2x00dev = hw->priv;
struct ieee80211_conf *conf = &hw->conf;
- int status;
/*
* mac80211 might be calling this function while we are trying
@@ -348,44 +348,29 @@ int rt2x00mac_config(struct ieee80211_hw *hw, u32 changed)
return 0;
/*
- * Only change device state when the radio is enabled. It does not
- * matter what parameters we have configured when the radio is disabled
- * because we won't be able to send or receive anyway. Also note that
- * some configuration parameters (e.g. channel and antenna values) can
- * only be set when the radio is enabled.
+ * 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.
*/
- if (conf->radio_enabled) {
- /* For programming the values, we have to turn RX off */
- rt2x00lib_toggle_rx(rt2x00dev, STATE_RADIO_RX_OFF);
+ rt2x00lib_toggle_rx(rt2x00dev, STATE_RADIO_RX_OFF);
- /* Enable the radio */
- status = rt2x00lib_enable_radio(rt2x00dev);
- if (unlikely(status))
- return status;
+ /*
+ * When we've just turned on the radio, we want to reprogram
+ * everything to ensure a consistent state
+ */
+ rt2x00lib_config(rt2x00dev, conf, changed);
- /*
- * When we've just turned on the radio, we want to reprogram
- * everything to ensure a consistent state
- */
- rt2x00lib_config(rt2x00dev, conf, changed);
+ /*
+ * After the radio has been enabled we need to configure
+ * the antenna to the default settings. rt2x00lib_config_antenna()
+ * should determine if any action should be taken based on
+ * checking if diversity has been enabled or no antenna changes
+ * have been made since the last configuration change.
+ */
+ rt2x00lib_config_antenna(rt2x00dev, rt2x00dev->default_ant);
- /*
- * The radio was enabled, configure the antenna to the
- * default settings, the link tuner will later start
- * continue configuring the antenna based on the software
- * diversity. But for non-diversity configurations, we need
- * to have configured the correct state now.
- */
- if (changed & IEEE80211_CONF_CHANGE_RADIO_ENABLED)
- rt2x00lib_config_antenna(rt2x00dev,
- rt2x00dev->default_ant);
-
- /* Turn RX back on */
- rt2x00lib_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON);
- } else {
- /* Disable the radio */
- rt2x00lib_disable_radio(rt2x00dev);
- }
+ /* Turn RX back on */
+ rt2x00lib_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON);
return 0;
}
@@ -407,6 +392,7 @@ void rt2x00mac_configure_filter(struct ieee80211_hw *hw,
FIF_FCSFAIL |
FIF_PLCPFAIL |
FIF_CONTROL |
+ FIF_PSPOLL |
FIF_OTHER_BSS |
FIF_PROMISC_IN_BSS;
@@ -422,6 +408,22 @@ void rt2x00mac_configure_filter(struct ieee80211_hw *hw,
*total_flags |= FIF_PROMISC_IN_BSS | FIF_OTHER_BSS;
/*
+ * If the device has a single filter for all control frames,
+ * FIF_CONTROL and FIF_PSPOLL flags imply each other.
+ * And if the device has more than one filter for control frames
+ * of different types, but has no a separate filter for PS Poll frames,
+ * FIF_CONTROL flag implies FIF_PSPOLL.
+ */
+ if (!test_bit(DRIVER_SUPPORT_CONTROL_FILTERS, &rt2x00dev->flags)) {
+ if (*total_flags & FIF_CONTROL || *total_flags & FIF_PSPOLL)
+ *total_flags |= FIF_CONTROL | FIF_PSPOLL;
+ }
+ if (!test_bit(DRIVER_SUPPORT_CONTROL_FILTER_PSPOLL, &rt2x00dev->flags)) {
+ if (*total_flags & FIF_CONTROL)
+ *total_flags |= FIF_PSPOLL;
+ }
+
+ /*
* Check if there is any work left for us.
*/
if (rt2x00dev->packet_filter == *total_flags)