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-rw-r--r--drivers/net/wireless/rt2x00/rt2x00.h3
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00config.c35
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00dev.c22
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00lib.h2
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00mac.c13
5 files changed, 51 insertions, 24 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index f85eedb..8fa971c 100644
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -723,8 +723,7 @@ struct rt2x00_dev {
/*
* This is the default TX/RX antenna setup as indicated
- * by the device's EEPROM. When mac80211 sets its
- * antenna value to 0 we should be using these values.
+ * by the device's EEPROM.
*/
struct antenna_setup default_ant;
diff --git a/drivers/net/wireless/rt2x00/rt2x00config.c b/drivers/net/wireless/rt2x00/rt2x00config.c
index 3e4eee3..1059b4d 100644
--- a/drivers/net/wireless/rt2x00/rt2x00config.c
+++ b/drivers/net/wireless/rt2x00/rt2x00config.c
@@ -109,15 +109,32 @@ void rt2x00lib_config_erp(struct rt2x00_dev *rt2x00dev,
}
void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev,
- enum antenna rx, enum antenna tx)
+ struct antenna_setup *ant)
{
- struct antenna_setup ant;
-
- ant.rx = rx;
- ant.tx = tx;
+ /*
+ * Failsafe: Make sure we are not sending the
+ * ANTENNA_SW_DIVERSITY state to the driver.
+ * If that happes fallback to hardware default,
+ * or our own default.
+ */
+ if (ant->rx == ANTENNA_SW_DIVERSITY) {
+ if (rt2x00dev->default_ant.rx == ANTENNA_SW_DIVERSITY)
+ ant->rx = ANTENNA_B;
+ else
+ ant->rx = rt2x00dev->default_ant.rx;
+ }
+ if (ant->tx == ANTENNA_SW_DIVERSITY) {
+ if (rt2x00dev->default_ant.tx == ANTENNA_SW_DIVERSITY)
+ ant->tx = ANTENNA_B;
+ else
+ ant->tx = rt2x00dev->default_ant.tx;
+ }
- if (rx == rt2x00dev->link.ant.active.rx &&
- tx == rt2x00dev->link.ant.active.tx)
+ /*
+ * Only reconfigure when something has changed.
+ */
+ if (ant->rx == rt2x00dev->link.ant.active.rx &&
+ ant->tx == rt2x00dev->link.ant.active.tx)
return;
/*
@@ -132,12 +149,12 @@ void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev,
* The latter is required since we need to recalibrate the
* noise-sensitivity ratio for the new setup.
*/
- rt2x00dev->ops->lib->config_ant(rt2x00dev, &ant);
+ rt2x00dev->ops->lib->config_ant(rt2x00dev, ant);
rt2x00lib_reset_link_tuner(rt2x00dev);
rt2x00_reset_link_ant_rssi(&rt2x00dev->link);
- memcpy(&rt2x00dev->link.ant.active, &ant, sizeof(ant));
+ memcpy(&rt2x00dev->link.ant.active, ant, sizeof(*ant));
if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
rt2x00lib_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON_LINK);
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index a8fee68..e8ca1cb 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -176,13 +176,14 @@ void rt2x00lib_toggle_rx(struct rt2x00_dev *rt2x00dev, enum dev_state state)
static void rt2x00lib_evaluate_antenna_sample(struct rt2x00_dev *rt2x00dev)
{
- enum antenna rx = rt2x00dev->link.ant.active.rx;
- enum antenna tx = rt2x00dev->link.ant.active.tx;
+ struct antenna_setup ant;
int sample_a =
rt2x00_get_link_ant_rssi_history(&rt2x00dev->link, ANTENNA_A);
int sample_b =
rt2x00_get_link_ant_rssi_history(&rt2x00dev->link, ANTENNA_B);
+ memcpy(&ant, &rt2x00dev->link.ant.active, sizeof(ant));
+
/*
* We are done sampling. Now we should evaluate the results.
*/
@@ -200,21 +201,22 @@ static void rt2x00lib_evaluate_antenna_sample(struct rt2x00_dev *rt2x00dev)
return;
if (rt2x00dev->link.ant.flags & ANTENNA_RX_DIVERSITY)
- rx = (sample_a > sample_b) ? ANTENNA_A : ANTENNA_B;
+ ant.rx = (sample_a > sample_b) ? ANTENNA_A : ANTENNA_B;
if (rt2x00dev->link.ant.flags & ANTENNA_TX_DIVERSITY)
- tx = (sample_a > sample_b) ? ANTENNA_A : ANTENNA_B;
+ ant.tx = (sample_a > sample_b) ? ANTENNA_A : ANTENNA_B;
- rt2x00lib_config_antenna(rt2x00dev, rx, tx);
+ rt2x00lib_config_antenna(rt2x00dev, &ant);
}
static void rt2x00lib_evaluate_antenna_eval(struct rt2x00_dev *rt2x00dev)
{
- enum antenna rx = rt2x00dev->link.ant.active.rx;
- enum antenna tx = rt2x00dev->link.ant.active.tx;
+ struct antenna_setup ant;
int rssi_curr = rt2x00_get_link_ant_rssi(&rt2x00dev->link);
int rssi_old = rt2x00_update_ant_rssi(&rt2x00dev->link, rssi_curr);
+ memcpy(&ant, &rt2x00dev->link.ant.active, sizeof(ant));
+
/*
* Legacy driver indicates that we should swap antenna's
* when the difference in RSSI is greater that 5. This
@@ -230,12 +232,12 @@ static void rt2x00lib_evaluate_antenna_eval(struct rt2x00_dev *rt2x00dev)
rt2x00dev->link.ant.flags |= ANTENNA_MODE_SAMPLE;
if (rt2x00dev->link.ant.flags & ANTENNA_RX_DIVERSITY)
- rx = (rx == ANTENNA_A) ? ANTENNA_B : ANTENNA_A;
+ ant.rx = (ant.rx == ANTENNA_A) ? ANTENNA_B : ANTENNA_A;
if (rt2x00dev->link.ant.flags & ANTENNA_TX_DIVERSITY)
- tx = (tx == ANTENNA_A) ? ANTENNA_B : ANTENNA_A;
+ ant.tx = (ant.tx == ANTENNA_A) ? ANTENNA_B : ANTENNA_A;
- rt2x00lib_config_antenna(rt2x00dev, rx, tx);
+ rt2x00lib_config_antenna(rt2x00dev, &ant);
}
static void rt2x00lib_evaluate_antenna(struct rt2x00_dev *rt2x00dev)
diff --git a/drivers/net/wireless/rt2x00/rt2x00lib.h b/drivers/net/wireless/rt2x00/rt2x00lib.h
index c52ee21..0c3a355 100644
--- a/drivers/net/wireless/rt2x00/rt2x00lib.h
+++ b/drivers/net/wireless/rt2x00/rt2x00lib.h
@@ -93,7 +93,7 @@ void rt2x00lib_config_erp(struct rt2x00_dev *rt2x00dev,
struct rt2x00_intf *intf,
struct ieee80211_bss_conf *conf);
void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev,
- enum antenna rx, enum antenna tx);
+ struct antenna_setup *ant);
void rt2x00lib_config(struct rt2x00_dev *rt2x00dev,
struct ieee80211_conf *conf,
const unsigned int changed_flags);
diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c
index 188f891..48636b0 100644
--- a/drivers/net/wireless/rt2x00/rt2x00mac.c
+++ b/drivers/net/wireless/rt2x00/rt2x00mac.c
@@ -339,7 +339,6 @@ int rt2x00mac_config(struct ieee80211_hw *hw, u32 changed)
{
struct rt2x00_dev *rt2x00dev = hw->priv;
struct ieee80211_conf *conf = &hw->conf;
- int radio_on;
int status;
/*
@@ -356,7 +355,6 @@ 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.
*/
- radio_on = test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags);
if (conf->radio_enabled) {
/* For programming the values, we have to turn RX off */
rt2x00lib_toggle_rx(rt2x00dev, STATE_RADIO_RX_OFF);
@@ -372,6 +370,17 @@ int rt2x00mac_config(struct ieee80211_hw *hw, u32 changed)
*/
rt2x00lib_config(rt2x00dev, conf, changed);
+ /*
+ * 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 {
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