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-rw-r--r--drivers/net/wireless/adm8211.c3
-rw-r--r--drivers/net/wireless/ath5k/base.c7
-rw-r--r--drivers/net/wireless/ath9k/main.c4
-rw-r--r--drivers/net/wireless/b43/main.c3
-rw-r--r--drivers/net/wireless/b43legacy/main.c3
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn.c3
-rw-r--r--drivers/net/wireless/iwlwifi/iwl3945-base.c7
-rw-r--r--drivers/net/wireless/libertas_tf/main.c4
-rw-r--r--drivers/net/wireless/mac80211_hwsim.c4
-rw-r--r--drivers/net/wireless/p54/p54common.c3
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00.h2
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00dev.c2
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00mac.c3
-rw-r--r--drivers/net/wireless/rtl8180_dev.c3
-rw-r--r--drivers/net/wireless/rtl8187_dev.c3
-rw-r--r--drivers/net/wireless/zd1211rw/zd_mac.c4
-rw-r--r--include/net/mac80211.h30
-rw-r--r--net/mac80211/cfg.c3
-rw-r--r--net/mac80211/ieee80211_i.h2
-rw-r--r--net/mac80211/iface.c25
-rw-r--r--net/mac80211/main.c29
-rw-r--r--net/mac80211/scan.c12
-rw-r--r--net/mac80211/util.c3
-rw-r--r--net/mac80211/wext.c14
24 files changed, 116 insertions, 60 deletions
diff --git a/drivers/net/wireless/adm8211.c b/drivers/net/wireless/adm8211.c
index 6e18c9d36787..9a1e0c514c08 100644
--- a/drivers/net/wireless/adm8211.c
+++ b/drivers/net/wireless/adm8211.c
@@ -1314,9 +1314,10 @@ static int adm8211_set_ssid(struct ieee80211_hw *dev, u8 *ssid, size_t ssid_len)
return 0;
}
-static int adm8211_config(struct ieee80211_hw *dev, struct ieee80211_conf *conf)
+static int adm8211_config(struct ieee80211_hw *dev, u32 changed)
{
struct adm8211_priv *priv = dev->priv;
+ struct ieee80211_conf *conf = &dev->conf;
int channel = ieee80211_frequency_to_channel(conf->channel->center_freq);
if (channel != priv->channel) {
diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c
index 9e47d727e220..fcd688765d04 100644
--- a/drivers/net/wireless/ath5k/base.c
+++ b/drivers/net/wireless/ath5k/base.c
@@ -219,8 +219,7 @@ static int ath5k_add_interface(struct ieee80211_hw *hw,
struct ieee80211_if_init_conf *conf);
static void ath5k_remove_interface(struct ieee80211_hw *hw,
struct ieee80211_if_init_conf *conf);
-static int ath5k_config(struct ieee80211_hw *hw,
- struct ieee80211_conf *conf);
+static int ath5k_config(struct ieee80211_hw *hw, u32 changed);
static int ath5k_config_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_if_conf *conf);
@@ -2780,10 +2779,10 @@ end:
* TODO: Phy disable/diversity etc
*/
static int
-ath5k_config(struct ieee80211_hw *hw,
- struct ieee80211_conf *conf)
+ath5k_config(struct ieee80211_hw *hw, u32 changed)
{
struct ath5k_softc *sc = hw->priv;
+ struct ieee80211_conf *conf = &hw->conf;
sc->bintval = conf->beacon_int;
sc->power_level = conf->power_level;
diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c
index 5e087c92a6d9..f49910799ede 100644
--- a/drivers/net/wireless/ath9k/main.c
+++ b/drivers/net/wireless/ath9k/main.c
@@ -1230,11 +1230,11 @@ static void ath9k_remove_interface(struct ieee80211_hw *hw,
__func__, error);
}
-static int ath9k_config(struct ieee80211_hw *hw,
- struct ieee80211_conf *conf)
+static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
{
struct ath_softc *sc = hw->priv;
struct ieee80211_channel *curchan = hw->conf.channel;
+ struct ieee80211_conf *conf = &hw->conf;
int pos;
DPRINTF(sc, ATH_DBG_CONFIG, "%s: Set channel: %d MHz\n",
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 6b85428b0e1d..2e81af1022e4 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -3320,11 +3320,12 @@ init_failure:
return err;
}
-static int b43_op_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf)
+static int b43_op_config(struct ieee80211_hw *hw, u32 changed)
{
struct b43_wl *wl = hw_to_b43_wl(hw);
struct b43_wldev *dev;
struct b43_phy *phy;
+ struct ieee80211_conf *conf = &hw->conf;
unsigned long flags;
int antenna;
int err = 0;
diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c
index 867f01ce45c7..793cc396562f 100644
--- a/drivers/net/wireless/b43legacy/main.c
+++ b/drivers/net/wireless/b43legacy/main.c
@@ -2557,11 +2557,12 @@ init_failure:
}
static int b43legacy_op_dev_config(struct ieee80211_hw *hw,
- struct ieee80211_conf *conf)
+ u32 changed)
{
struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);
struct b43legacy_wldev *dev;
struct b43legacy_phy *phy;
+ struct ieee80211_conf *conf = &hw->conf;
unsigned long flags;
unsigned int new_phymode = 0xFFFF;
int antenna_tx;
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index e6695e80fb53..79a24410dd0a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -2734,10 +2734,11 @@ static int iwl4965_mac_add_interface(struct ieee80211_hw *hw,
* be set inappropriately and the driver currently sets the hardware up to
* use it whenever needed.
*/
-static int iwl4965_mac_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf)
+static int iwl4965_mac_config(struct ieee80211_hw *hw, u32 changed)
{
struct iwl_priv *priv = hw->priv;
const struct iwl_channel_info *ch_info;
+ struct ieee80211_conf *conf = &hw->conf;
unsigned long flags;
int ret = 0;
u16 channel;
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index d3a2966d9181..b1464c71ea0a 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -6415,7 +6415,7 @@ static void iwl3945_bg_abort_scan(struct work_struct *work)
mutex_unlock(&priv->mutex);
}
-static int iwl3945_mac_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf);
+static int iwl3945_mac_config(struct ieee80211_hw *hw, u32 changed);
static void iwl3945_bg_scan_completed(struct work_struct *work)
{
@@ -6428,7 +6428,7 @@ static void iwl3945_bg_scan_completed(struct work_struct *work)
return;
if (test_bit(STATUS_CONF_PENDING, &priv->status))
- iwl3945_mac_config(priv->hw, ieee80211_get_hw_conf(priv->hw));
+ iwl3945_mac_config(priv->hw, 0);
ieee80211_scan_completed(priv->hw);
@@ -6616,10 +6616,11 @@ static int iwl3945_mac_add_interface(struct ieee80211_hw *hw,
* be set inappropriately and the driver currently sets the hardware up to
* use it whenever needed.
*/
-static int iwl3945_mac_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf)
+static int iwl3945_mac_config(struct ieee80211_hw *hw, u32 changed)
{
struct iwl3945_priv *priv = hw->priv;
const struct iwl3945_channel_info *ch_info;
+ struct ieee80211_conf *conf = &hw->conf;
unsigned long flags;
int ret = 0;
diff --git a/drivers/net/wireless/libertas_tf/main.c b/drivers/net/wireless/libertas_tf/main.c
index feff945ad856..241ddcfa352e 100644
--- a/drivers/net/wireless/libertas_tf/main.c
+++ b/drivers/net/wireless/libertas_tf/main.c
@@ -354,9 +354,11 @@ static void lbtf_op_remove_interface(struct ieee80211_hw *hw,
priv->vif = NULL;
}
-static int lbtf_op_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf)
+static int lbtf_op_config(struct ieee80211_hw *hw, u32 changed)
{
struct lbtf_private *priv = hw->priv;
+ struct ieee80211_conf *conf = &hw->conf;
+
if (conf->channel->center_freq != priv->cur_freq) {
priv->cur_freq = conf->channel->center_freq;
lbtf_set_channel(priv, conf->channel->hw_value);
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 3f236b546683..e2aeef8de707 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -359,10 +359,10 @@ static void mac80211_hwsim_beacon(unsigned long arg)
}
-static int mac80211_hwsim_config(struct ieee80211_hw *hw,
- struct ieee80211_conf *conf)
+static int mac80211_hwsim_config(struct ieee80211_hw *hw, u32 changed)
{
struct mac80211_hwsim_data *data = hw->priv;
+ struct ieee80211_conf *conf = &hw->conf;
printk(KERN_DEBUG "%s:%s (freq=%d radio_enabled=%d beacon_int=%d)\n",
wiphy_name(hw->wiphy), __func__,
diff --git a/drivers/net/wireless/p54/p54common.c b/drivers/net/wireless/p54/p54common.c
index b3e75eb4d5ba..b3c297ed00cd 100644
--- a/drivers/net/wireless/p54/p54common.c
+++ b/drivers/net/wireless/p54/p54common.c
@@ -1192,10 +1192,11 @@ static void p54_remove_interface(struct ieee80211_hw *dev,
p54_set_filter(dev, 0, NULL);
}
-static int p54_config(struct ieee80211_hw *dev, struct ieee80211_conf *conf)
+static int p54_config(struct ieee80211_hw *dev, u32 changed)
{
int ret;
struct p54_common *priv = dev->priv;
+ struct ieee80211_conf *conf = &dev->conf;
mutex_lock(&priv->conf_mutex);
priv->rx_antenna = 2; /* automatic */
diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index 1359a3768404..8ec8f7e9ec64 100644
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -997,7 +997,7 @@ int rt2x00mac_add_interface(struct ieee80211_hw *hw,
struct ieee80211_if_init_conf *conf);
void rt2x00mac_remove_interface(struct ieee80211_hw *hw,
struct ieee80211_if_init_conf *conf);
-int rt2x00mac_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf);
+int rt2x00mac_config(struct ieee80211_hw *hw, u32 changed);
int rt2x00mac_config_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_if_conf *conf);
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index 9e0472bd1edf..697806cf94e2 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -1245,7 +1245,7 @@ int rt2x00lib_resume(struct rt2x00_dev *rt2x00dev)
/*
* Reconfigure device.
*/
- retval = rt2x00mac_config(rt2x00dev->hw, &rt2x00dev->hw->conf);
+ retval = rt2x00mac_config(rt2x00dev->hw, ~0);
if (retval)
goto exit;
diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c
index 2c6cc5c374ff..da7b49a364ff 100644
--- a/drivers/net/wireless/rt2x00/rt2x00mac.c
+++ b/drivers/net/wireless/rt2x00/rt2x00mac.c
@@ -335,9 +335,10 @@ void rt2x00mac_remove_interface(struct ieee80211_hw *hw,
}
EXPORT_SYMBOL_GPL(rt2x00mac_remove_interface);
-int rt2x00mac_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf)
+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;
diff --git a/drivers/net/wireless/rtl8180_dev.c b/drivers/net/wireless/rtl8180_dev.c
index 9de8f57486df..e8d22393797f 100644
--- a/drivers/net/wireless/rtl8180_dev.c
+++ b/drivers/net/wireless/rtl8180_dev.c
@@ -692,9 +692,10 @@ static void rtl8180_remove_interface(struct ieee80211_hw *dev,
priv->vif = NULL;
}
-static int rtl8180_config(struct ieee80211_hw *dev, struct ieee80211_conf *conf)
+static int rtl8180_config(struct ieee80211_hw *dev, u32 changed)
{
struct rtl8180_priv *priv = dev->priv;
+ struct ieee80211_conf *conf = &dev->conf;
priv->rf->set_chan(dev, conf);
diff --git a/drivers/net/wireless/rtl8187_dev.c b/drivers/net/wireless/rtl8187_dev.c
index 9ceae9017f86..2c69ab37c650 100644
--- a/drivers/net/wireless/rtl8187_dev.c
+++ b/drivers/net/wireless/rtl8187_dev.c
@@ -873,9 +873,10 @@ static void rtl8187_remove_interface(struct ieee80211_hw *dev,
mutex_unlock(&priv->conf_mutex);
}
-static int rtl8187_config(struct ieee80211_hw *dev, struct ieee80211_conf *conf)
+static int rtl8187_config(struct ieee80211_hw *dev, u32 changed)
{
struct rtl8187_priv *priv = dev->priv;
+ struct ieee80211_conf *conf = &dev->conf;
u32 reg;
mutex_lock(&priv->conf_mutex);
diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c
index de45509d757e..6c3e21887fc8 100644
--- a/drivers/net/wireless/zd1211rw/zd_mac.c
+++ b/drivers/net/wireless/zd1211rw/zd_mac.c
@@ -743,9 +743,11 @@ static void zd_op_remove_interface(struct ieee80211_hw *hw,
zd_write_mac_addr(&mac->chip, NULL);
}
-static int zd_op_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf)
+static int zd_op_config(struct ieee80211_hw *hw, u32 changed)
{
struct zd_mac *mac = zd_hw_mac(hw);
+ struct ieee80211_conf *conf = &hw->conf;
+
return zd_chip_set_channel(&mac->chip, conf->channel->hw_value);
}
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 5f28b7f89887..34e8569b59bb 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -464,12 +464,32 @@ static inline int __deprecated __IEEE80211_CONF_SHORT_SLOT_TIME(void)
#define IEEE80211_CONF_SHORT_SLOT_TIME (__IEEE80211_CONF_SHORT_SLOT_TIME())
/**
+ * enum ieee80211_conf_changed - denotes which configuration changed
+ *
+ * @IEEE80211_CONF_CHANGE_RADIO_ENABLED: the value of radio_enabled changed
+ * @IEEE80211_CONF_CHANGE_BEACON_INTERVAL: the beacon interval changed
+ * @IEEE80211_CONF_CHANGE_LISTEN_INTERVAL: the listen interval changed
+ * @IEEE80211_CONF_CHANGE_RADIOTAP: the radiotap flag changed
+ * @IEEE80211_CONF_CHANGE_PS: the PS flag changed
+ * @IEEE80211_CONF_CHANGE_POWER: the TX power changed
+ * @IEEE80211_CONF_CHANGE_CHANNEL: the channel changed
+ */
+enum ieee80211_conf_changed {
+ IEEE80211_CONF_CHANGE_RADIO_ENABLED = BIT(0),
+ IEEE80211_CONF_CHANGE_BEACON_INTERVAL = BIT(1),
+ IEEE80211_CONF_CHANGE_LISTEN_INTERVAL = BIT(2),
+ IEEE80211_CONF_CHANGE_RADIOTAP = BIT(3),
+ IEEE80211_CONF_CHANGE_PS = BIT(4),
+ IEEE80211_CONF_CHANGE_POWER = BIT(5),
+ IEEE80211_CONF_CHANGE_CHANNEL = BIT(6),
+};
+
+/**
* struct ieee80211_conf - configuration of the device
*
* This struct indicates how the driver shall configure the hardware.
*
* @radio_enabled: when zero, driver is required to switch off the radio.
- * TODO make a flag
* @beacon_int: beacon interval (TODO make interface config)
* @listen_interval: listen interval in units of beacon interval
* @flags: configuration flags defined above
@@ -479,13 +499,13 @@ static inline int __deprecated __IEEE80211_CONF_SHORT_SLOT_TIME(void)
* @channel: the channel to tune to
*/
struct ieee80211_conf {
- int radio_enabled;
-
int beacon_int;
- u16 listen_interval;
u32 flags;
int power_level;
+ u16 listen_interval;
+ bool radio_enabled;
+
struct ieee80211_channel *channel;
struct ieee80211_sta_ht_cap ht_cap;
@@ -1214,7 +1234,7 @@ struct ieee80211_ops {
struct ieee80211_if_init_conf *conf);
void (*remove_interface)(struct ieee80211_hw *hw,
struct ieee80211_if_init_conf *conf);
- int (*config)(struct ieee80211_hw *hw, struct ieee80211_conf *conf);
+ int (*config)(struct ieee80211_hw *hw, u32 changed);
int (*config_interface)(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_if_conf *conf);
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index a5dea617aab3..8ea30902d5db 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -394,7 +394,8 @@ static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
*/
if (params->interval) {
sdata->local->hw.conf.beacon_int = params->interval;
- ieee80211_hw_config(sdata->local);
+ ieee80211_hw_config(sdata->local,
+ IEEE80211_CONF_CHANGE_BEACON_INTERVAL);
/*
* We updated some parameter so if below bails out
* it's not an error.
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 88015838a63c..1deb787ff8dc 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -875,7 +875,7 @@ static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr)
}
-int ieee80211_hw_config(struct ieee80211_local *local);
+int ieee80211_hw_config(struct ieee80211_local *local, u32 changed);
int ieee80211_if_config(struct ieee80211_sub_if_data *sdata, u32 changed);
void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx);
void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 8336fee68d3e..df28c5f7c9c0 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -65,7 +65,7 @@ static int ieee80211_open(struct net_device *dev)
struct ieee80211_if_init_conf conf;
u32 changed = 0;
int res;
- bool need_hw_reconfig = 0;
+ u32 hw_reconf_flags = 0;
u8 null_addr[ETH_ALEN] = {0};
/* fail early if user set an invalid address */
@@ -152,7 +152,8 @@ static int ieee80211_open(struct net_device *dev)
res = local->ops->start(local_to_hw(local));
if (res)
goto err_del_bss;
- need_hw_reconfig = 1;
+ /* we're brought up, everything changes */
+ hw_reconf_flags = ~0;
ieee80211_led_radio(local, local->hw.conf.radio_enabled);
}
@@ -198,8 +199,10 @@ static int ieee80211_open(struct net_device *dev)
/* must be before the call to ieee80211_configure_filter */
local->monitors++;
- if (local->monitors == 1)
+ if (local->monitors == 1) {
local->hw.conf.flags |= IEEE80211_CONF_RADIOTAP;
+ hw_reconf_flags |= IEEE80211_CONF_CHANGE_RADIOTAP;
+ }
if (sdata->u.mntr_flags & MONITOR_FLAG_FCSFAIL)
local->fif_fcsfail++;
@@ -279,8 +282,8 @@ static int ieee80211_open(struct net_device *dev)
atomic_inc(&local->iff_promiscs);
local->open_count++;
- if (need_hw_reconfig) {
- ieee80211_hw_config(local);
+ if (hw_reconf_flags) {
+ ieee80211_hw_config(local, hw_reconf_flags);
/*
* set default queue parameters so drivers don't
* need to initialise the hardware if the hardware
@@ -322,6 +325,7 @@ static int ieee80211_stop(struct net_device *dev)
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_init_conf conf;
struct sta_info *sta;
+ u32 hw_reconf_flags = 0;
/*
* Stop TX on this interface first.
@@ -405,8 +409,10 @@ static int ieee80211_stop(struct net_device *dev)
}
local->monitors--;
- if (local->monitors == 0)
+ if (local->monitors == 0) {
local->hw.conf.flags &= ~IEEE80211_CONF_RADIOTAP;
+ hw_reconf_flags |= IEEE80211_CONF_CHANGE_RADIOTAP;
+ }
if (sdata->u.mntr_flags & MONITOR_FLAG_FCSFAIL)
local->fif_fcsfail--;
@@ -504,8 +510,15 @@ static int ieee80211_stop(struct net_device *dev)
tasklet_disable(&local->tx_pending_tasklet);
tasklet_disable(&local->tasklet);
+
+ /* no reconfiguring after stop! */
+ hw_reconf_flags = 0;
}
+ /* do after stop to avoid reconfiguring when we stop anyway */
+ if (hw_reconf_flags)
+ ieee80211_hw_config(local, hw_reconf_flags);
+
return 0;
}
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 07f812755e55..c936017f6d48 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -197,31 +197,34 @@ int ieee80211_if_config(struct ieee80211_sub_if_data *sdata, u32 changed)
&sdata->vif, &conf);
}
-int ieee80211_hw_config(struct ieee80211_local *local)
+int ieee80211_hw_config(struct ieee80211_local *local, u32 changed)
{
struct ieee80211_channel *chan;
int ret = 0;
+ int power;
if (local->sw_scanning)
chan = local->scan_channel;
else
chan = local->oper_channel;
- local->hw.conf.channel = chan;
+ if (chan != local->hw.conf.channel) {
+ local->hw.conf.channel = chan;
+ changed |= IEEE80211_CONF_CHANGE_CHANNEL;
+ }
+
if (!local->hw.conf.power_level)
- local->hw.conf.power_level = chan->max_power;
+ power = chan->max_power;
else
- local->hw.conf.power_level = min(chan->max_power,
- local->hw.conf.power_level);
-
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- printk(KERN_DEBUG "%s: HW CONFIG: freq=%d\n",
- wiphy_name(local->hw.wiphy), chan->center_freq);
-#endif
+ power = min(chan->max_power, local->hw.conf.power_level);
+ if (local->hw.conf.power_level != power) {
+ changed |= IEEE80211_CONF_CHANGE_POWER;
+ local->hw.conf.power_level = power;
+ }
- if (local->open_count) {
- ret = local->ops->config(local_to_hw(local), &local->hw.conf);
+ if (changed && local->open_count) {
+ ret = local->ops->config(local_to_hw(local), changed);
/*
* HW reconfiguration should never fail, the driver has told
* us what it can support so it should live up to that promise.
@@ -672,7 +675,7 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
local->short_retry_limit = 7;
local->long_retry_limit = 4;
- local->hw.conf.radio_enabled = 1;
+ local->hw.conf.radio_enabled = true;
INIT_LIST_HEAD(&local->interfaces);
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 0989b1c062e3..7372d7abb8c0 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -448,12 +448,17 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw)
if (local->hw_scanning) {
local->hw_scanning = false;
- ieee80211_hw_config(local);
+ /*
+ * Somebody might have requested channel change during scan
+ * that we won't have acted upon, try now. ieee80211_hw_config
+ * will set the flag based on actual changes.
+ */
+ ieee80211_hw_config(local, 0);
goto done;
}
local->sw_scanning = false;
- ieee80211_hw_config(local);
+ ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
netif_tx_lock_bh(local->mdev);
netif_addr_lock(local->mdev);
@@ -540,7 +545,8 @@ void ieee80211_scan_work(struct work_struct *work)
if (!skip) {
local->scan_channel = chan;
- if (ieee80211_hw_config(local))
+ if (ieee80211_hw_config(local,
+ IEEE80211_CONF_CHANGE_CHANNEL))
skip = 1;
}
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 9941a60a2327..3288c3de67ca 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -645,7 +645,8 @@ int ieee80211_set_freq(struct ieee80211_sub_if_data *sdata, int freqMHz)
if (local->sw_scanning || local->hw_scanning)
ret = 0;
else
- ret = ieee80211_hw_config(local);
+ ret = ieee80211_hw_config(
+ local, IEEE80211_CONF_CHANGE_CHANNEL);
rate_control_clear(local);
}
diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c
index a3af15141244..94c4b35eeb14 100644
--- a/net/mac80211/wext.c
+++ b/net/mac80211/wext.c
@@ -656,7 +656,7 @@ static int ieee80211_ioctl_siwtxpower(struct net_device *dev,
union iwreq_data *data, char *extra)
{
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
- bool need_reconfig = 0;
+ u32 reconf_flags = 0;
int new_power_level;
if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
@@ -680,17 +680,17 @@ static int ieee80211_ioctl_siwtxpower(struct net_device *dev,
if (local->hw.conf.power_level != new_power_level) {
local->hw.conf.power_level = new_power_level;
- need_reconfig = 1;
+ reconf_flags |= IEEE80211_CONF_CHANGE_POWER;
}
if (local->hw.conf.radio_enabled != !(data->txpower.disabled)) {
local->hw.conf.radio_enabled = !(data->txpower.disabled);
- need_reconfig = 1;
+ reconf_flags |= IEEE80211_CONF_CHANGE_RADIO_ENABLED;
ieee80211_led_radio(local, local->hw.conf.radio_enabled);
}
- if (need_reconfig)
- ieee80211_hw_config(local);
+ if (reconf_flags)
+ ieee80211_hw_config(local, reconf_flags);
return 0;
}
@@ -976,7 +976,7 @@ static int ieee80211_ioctl_siwpower(struct net_device *dev,
if (wrq->disabled) {
conf->flags &= ~IEEE80211_CONF_PS;
- return ieee80211_hw_config(local);
+ return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
}
switch (wrq->flags & IW_POWER_MODE) {
@@ -989,7 +989,7 @@ static int ieee80211_ioctl_siwpower(struct net_device *dev,
return -EINVAL;
}
- return ieee80211_hw_config(local);
+ return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
}
static int ieee80211_ioctl_giwpower(struct net_device *dev,