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authorVasanthakumar Thiagarajan <vasanth@atheros.com>2008-12-24 13:53:11 +0530
committerJohn W. Linville <linville@tuxdriver.com>2009-01-29 15:59:36 -0500
commite3c92df08cbf6a0cb60a9c7ce377378383967e07 (patch)
tree088d70d7924c6dac0e900d4190db928623ec3c76 /net/mac80211
parenta085ff718c8c9f14c44feb337774fadfd982e1a5 (diff)
downloadop-kernel-dev-e3c92df08cbf6a0cb60a9c7ce377378383967e07.zip
op-kernel-dev-e3c92df08cbf6a0cb60a9c7ce377378383967e07.tar.gz
mac80211: Fix tx power setting
power_level in ieee80211_conf is being used for more than one purpose. It being used as user configured power limit and the final power limit given to the driver. By doing so, except very first time, the tx power limit is taken from min(chan->max_power, local->hw.conf.power_level) which is not what we want. This patch defines a new memeber in ieee80211_conf which is meant only for user configured power limit. Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/main.c4
-rw-r--r--net/mac80211/wext.c5
2 files changed, 4 insertions, 5 deletions
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index a6cb480..dca4b7da 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -214,10 +214,10 @@ int ieee80211_hw_config(struct ieee80211_local *local, u32 changed)
changed |= IEEE80211_CONF_CHANGE_CHANNEL;
}
- if (!local->hw.conf.power_level)
+ if (!local->hw.conf.user_power_level)
power = chan->max_power;
else
- power = min(chan->max_power, local->hw.conf.power_level);
+ power = min(chan->max_power, local->hw.conf.user_power_level);
if (local->hw.conf.power_level != power) {
changed |= IEEE80211_CONF_CHANGE_POWER;
local->hw.conf.power_level = power;
diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c
index 48fc6b9..654041b 100644
--- a/net/mac80211/wext.c
+++ b/net/mac80211/wext.c
@@ -549,10 +549,9 @@ static int ieee80211_ioctl_siwtxpower(struct net_device *dev,
else /* Automatic power level setting */
new_power_level = chan->max_power;
- if (local->hw.conf.power_level != new_power_level) {
- local->hw.conf.power_level = new_power_level;
+ local->hw.conf.user_power_level = new_power_level;
+ if (local->hw.conf.power_level != new_power_level)
reconf_flags |= IEEE80211_CONF_CHANGE_POWER;
- }
if (local->hw.conf.radio_enabled != !(data->txpower.disabled)) {
local->hw.conf.radio_enabled = !(data->txpower.disabled);
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