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cfg80211/mac80211: Update set_tx_power to use mBm instead of dBm units

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In preparation for a TX power setting interface in the nl80211, change the
.set_tx_power function to use mBm units instead of dBm for greater accuracy and
smaller power levels.

Also, already in advance move the tx_power_setting enumeration to nl80211.

This change affects the .tx_set_power function prototype. As a result, the
corresponding changes are needed to modules using it. These are mac80211,
iwmc3200wifi and rndis_wlan.

Cc: Samuel Ortiz <samuel.ortiz@intel.com>
Cc: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Acked-by: Samuel Ortiz <samuel.ortiz@intel.com>
Acked-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Juuso Oikarinen
2010-06-23 12:12:37 +03:00
committed by John W. Linville
parent a185045c8d
commit fa61cf70a6
6 changed files with 51 additions and 41 deletions
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10
net/wireless/wext-compat.c
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@@ -829,7 +829,7 @@ int cfg80211_wext_siwtxpower(struct net_device *dev,
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
enum tx_power_setting type;
enum nl80211_tx_power_setting type;
int dbm = 0;
if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
@@ -852,7 +852,7 @@ int cfg80211_wext_siwtxpower(struct net_device *dev,
if (data->txpower.value < 0)
return -EINVAL;
dbm = data->txpower.value;
type = TX_POWER_FIXED;
type = NL80211_TX_POWER_FIXED;
/* TODO: do regulatory check! */
} else {
/*
@@ -860,10 +860,10 @@ int cfg80211_wext_siwtxpower(struct net_device *dev,
* passed in from userland.
*/
if (data->txpower.value < 0) {
type = TX_POWER_AUTOMATIC;
type = NL80211_TX_POWER_AUTOMATIC;
} else {
dbm = data->txpower.value;
type = TX_POWER_LIMITED;
type = NL80211_TX_POWER_LIMITED;
}
}
} else {
@@ -872,7 +872,7 @@ int cfg80211_wext_siwtxpower(struct net_device *dev,
return 0;
}
return rdev->ops->set_tx_power(wdev->wiphy, type, dbm);
return rdev->ops->set_tx_power(wdev->wiphy, type, DBM_TO_MBM(dbm));
}
EXPORT_SYMBOL_GPL(cfg80211_wext_siwtxpower);