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Fix firmware error when setting tx_power. 

Signed-off-by: Zhu Yi <yi.zhu@intel.com>
This commit is contained in:
Zhu Yi 2005-08-11 14:39:33 +08:00 committed by James Ketrenos
parent 22501c8ed7
commit 6de9f7f27d
1 changed files with 55 additions and 76 deletions
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131
drivers/net/wireless/ipw2200.c
View File

@ -2084,6 +2084,50 @@ static int ipw_send_tx_power(struct ipw_priv *priv, struct ipw_tx_power *power)
return 0;
}
static int ipw_set_tx_power(struct ipw_priv *priv)
{
const struct ieee80211_geo *geo = ieee80211_get_geo(priv->ieee);
struct ipw_tx_power tx_power;
s8 max_power;
int i;
memset(&tx_power, 0, sizeof(tx_power));
/* configure device for 'G' band */
tx_power.ieee_mode = IPW_G_MODE;
tx_power.num_channels = geo->bg_channels;
for (i = 0; i < geo->bg_channels; i++) {
max_power = geo->bg[i].max_power;
tx_power.channels_tx_power[i].channel_number =
geo->bg[i].channel;
tx_power.channels_tx_power[i].tx_power = max_power ?
min(max_power, priv->tx_power) : priv->tx_power;
}
if (ipw_send_tx_power(priv, &tx_power))
return -EIO;
/* configure device to also handle 'B' band */
tx_power.ieee_mode = IPW_B_MODE;
if (ipw_send_tx_power(priv, &tx_power))
return -EIO;
/* 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 < tx_power.num_channels; i++) {
max_power = geo->a[i].max_power;
tx_power.channels_tx_power[i].channel_number =
geo->a[i].channel;
tx_power.channels_tx_power[i].tx_power = max_power ?
min(max_power, priv->tx_power) : priv->tx_power;
}
if (ipw_send_tx_power(priv, &tx_power))
return -EIO;
}
return 0;
}
static int ipw_send_rts_threshold(struct ipw_priv *priv, u16 rts)
{
struct ipw_rts_threshold rts_threshold = {
@ -8869,79 +8913,33 @@ 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;
int err = 0;
down(&priv->sem);
if (ipw_radio_kill_sw(priv, wrqu->power.disabled)) {
up(&priv->sem);
return -EINPROGRESS;
err = -EINPROGRESS;
goto out;
}
if (!wrqu->power.fixed)
wrqu->power.value = IPW_TX_POWER_DEFAULT;
if (wrqu->power.flags != IW_TXPOW_DBM) {
up(&priv->sem);
return -EINVAL;
err = -EINVAL;
goto out;
}
if ((wrqu->power.value > IPW_TX_POWER_MAX) ||
(wrqu->power.value < IPW_TX_POWER_MIN)) {
up(&priv->sem);
return -EINVAL;
err = -EINVAL;
goto out;
}
priv->tx_power = wrqu->power.value;
memset(&tx_power, 0, sizeof(tx_power));
/* configure device for 'G' band */
tx_power.ieee_mode = IPW_G_MODE;
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;
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;
/* configure device to also handle 'B' band */
tx_power.ieee_mode = IPW_B_MODE;
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;
}
err = ipw_set_tx_power(priv);
out:
up(&priv->sem);
return 0;
error:
up(&priv->sem);
return -EIO;
return err;
}
static int ipw_wx_get_txpow(struct net_device *dev,
@ -10426,29 +10424,10 @@ static int init_supported_rates(struct ipw_priv *priv,
static int ipw_config(struct ipw_priv *priv)
{
int i;
struct ipw_tx_power tx_power;
memset(&priv->sys_config, 0, sizeof(priv->sys_config));
memset(&tx_power, 0, sizeof(tx_power));
/* This is only called from ipw_up, which resets/reloads the firmware
so, we don't need to first disable the card before we configure
it */
/* 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.channels_tx_power[i].channel_number = i + 1;
tx_power.channels_tx_power[i].tx_power = priv->tx_power;
}
if (ipw_send_tx_power(priv, &tx_power))
goto error;
/* configure device to also handle 'B' band */
tx_power.ieee_mode = IPW_B_MODE;
if (ipw_send_tx_power(priv, &tx_power))
if (ipw_set_tx_power(priv))
goto error;
/* initialize adapter address */