diff options
| author | Ivo van Doorn <ivdoorn@gmail.com> | 2010-07-11 14:24:47 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-07-13 00:05:33 +0400 |
| commit | d8147f9d9ed6abfa105234a21f05af4a4839eb80 (patch) | |
| tree | 5e00a39ec607af756696ded2bcb01b7c1f8f0725 /drivers/net/wireless/rt2x00/rt2x00mac.c | |
| parent | 27df2a9ce9ea6a77b9959cf5cc03ee85324aced9 (diff) | |
| download | linux-d8147f9d9ed6abfa105234a21f05af4a4839eb80.tar.xz | |
rt2x00: Disable link tuning while scanning
While scanning the link tuner must be disabled. Otherwise
it will interfere with receiving all beacons for each channel
due to changing sensitivity levels.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00mac.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00mac.c | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c index 3b838c0bf59f..bbce496bc182 100644 --- a/drivers/net/wireless/rt2x00/rt2x00mac.c +++ b/drivers/net/wireless/rt2x00/rt2x00mac.c @@ -347,9 +347,11 @@ 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 @@ -367,7 +369,7 @@ 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; } @@ -540,6 +542,22 @@ 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) { |