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authorLiu Hong <hong.liu@intel.com>2005-07-13 12:27:17 -0500
committerJames Ketrenos <jketreno@linux.intel.com>2005-11-07 17:50:21 -0600
commit8400a1ceb445f2ace4b8d3c35c181b2b416a81ce (patch)
tree9ee014ce0dfbbf4b66ff39d2788b6352cadcfd3e /drivers/net/wireless
parentd8bad6df045249cd1cff6a0d167c8f1b9caade7e (diff)
[Bug 637] Set tx power for A band.
It uses the ieee80211-geo info to set the tx power of the a/b/g band. Signed-off-by: James Ketrenos <jketreno@linux.intel.com>
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r--drivers/net/wireless/ipw2200.c31
1 files changed, 28 insertions, 3 deletions
diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c
index f3048f8e823..0923038ca78 100644
--- a/drivers/net/wireless/ipw2200.c
+++ b/drivers/net/wireless/ipw2200.c
@@ -8756,6 +8756,7 @@ static int ipw_wx_set_txpow(struct net_device *dev,
union iwreq_data *wrqu, char *extra)
{
struct ipw_priv *priv = ieee80211_priv(dev);
+ const struct ieee80211_geo *geo = ieee80211_get_geo(priv->ieee);
struct ipw_tx_power tx_power;
int i;
@@ -8785,10 +8786,15 @@ static int ipw_wx_set_txpow(struct net_device *dev,
/* configure device for 'G' band */
tx_power.ieee_mode = IPW_G_MODE;
- tx_power.num_channels = 11;
- for (i = 0; i < 11; i++) {
+ tx_power.num_channels = geo->bg_channels;
+ for (i = 0; i < geo->bg_channels; i++) {
+ int max_power = geo->bg[i].max_power;
+
tx_power.channels_tx_power[i].channel_number = i + 1;
- tx_power.channels_tx_power[i].tx_power = priv->tx_power;
+ if (max_power != 0 && priv->tx_power > max_power)
+ tx_power.channels_tx_power[i].tx_power = max_power;
+ else
+ tx_power.channels_tx_power[i].tx_power = priv->tx_power;
}
if (ipw_send_tx_power(priv, &tx_power))
goto error;
@@ -8798,6 +8804,25 @@ static int ipw_wx_set_txpow(struct net_device *dev,
if (ipw_send_tx_power(priv, &tx_power))
goto error;
+ /* configure device to also handle 'A' band */
+ if (priv->ieee->abg_true) {
+ tx_power.ieee_mode = IPW_A_MODE;
+ tx_power.num_channels = geo->a_channels;
+ for (i = 0; i < geo->a_channels; i++) {
+ int max_power = geo->a[i].max_power;
+
+ tx_power.channels_tx_power[i].channel_number = i + 1;
+ if (max_power != 0 && priv->tx_power > max_power)
+ tx_power.channels_tx_power[i].tx_power =
+ max_power;
+ else
+ tx_power.channels_tx_power[i].tx_power =
+ priv->tx_power;
+ }
+ if (ipw_send_tx_power(priv, &tx_power))
+ goto error;
+ }
+
up(&priv->sem);
return 0;