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iwl3945: Use the iwlcore geos routines

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By removing the init_rates() routine outside of the init_geos() one, we can
share the geos routines between 3945 and agn.

Signed-off-by: Samuel Ortiz <samuel.ortiz@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Samuel Ortiz 2009-01-23 13:45:16 -08:00 committed by John W. Linville
parent e6148917db
commit 534166deda
3 changed files with 21 additions and 138 deletions
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9
drivers/net/wireless/iwlwifi/iwl-core.c
View File

@ -406,7 +406,7 @@ static void iwlcore_init_hw_rates(struct iwl_priv *priv,
/**
* iwlcore_init_geos - Initialize mac80211's geo/channel info based from eeprom
*/
static int iwlcore_init_geos(struct iwl_priv *priv)
int iwlcore_init_geos(struct iwl_priv *priv)
{
struct iwl_channel_info *ch;
struct ieee80211_supported_band *sband;
@ -458,8 +458,6 @@ static int iwlcore_init_geos(struct iwl_priv *priv)
priv->ieee_channels = channels;
priv->ieee_rates = rates;
iwlcore_init_hw_rates(priv, rates);
for (i = 0; i < priv->channel_count; i++) {
ch = &priv->channel_info[i];
@ -526,16 +524,18 @@ static int iwlcore_init_geos(struct iwl_priv *priv)
return 0;
}
EXPORT_SYMBOL(iwlcore_init_geos);
/*
* iwlcore_free_geos - undo allocations in iwlcore_init_geos
*/
static void iwlcore_free_geos(struct iwl_priv *priv)
void iwlcore_free_geos(struct iwl_priv *priv)
{
kfree(priv->ieee_channels);
kfree(priv->ieee_rates);
clear_bit(STATUS_GEO_CONFIGURED, &priv->status);
}
EXPORT_SYMBOL(iwlcore_free_geos);
static bool is_single_rx_stream(struct iwl_priv *priv)
{
@ -936,6 +936,7 @@ int iwl_init_drv(struct iwl_priv *priv)
IWL_ERR(priv, "initializing geos failed: %d\n", ret);
goto err_free_channel_map;
}
iwlcore_init_hw_rates(priv, priv->ieee_rates);
return 0;

5
drivers/net/wireless/iwlwifi/iwl-core.h
View File

@ -395,6 +395,11 @@ void iwl_enable_interrupts(struct iwl_priv *priv);
void iwl_dump_nic_error_log(struct iwl_priv *priv);
void iwl_dump_nic_event_log(struct iwl_priv *priv);
/*****************************************************
* GEOS
******************************************************/
int iwlcore_init_geos(struct iwl_priv *priv);
void iwlcore_free_geos(struct iwl_priv *priv);
/*************** DRIVER STATUS FUNCTIONS *****/

145
drivers/net/wireless/iwlwifi/iwl3945-base.c
View File

@ -3383,137 +3383,6 @@ static void iwl3945_init_hw_rates(struct iwl_priv *priv,
}
}
/**
* iwl3945_init_geos - Initialize mac80211's geo/channel info based from eeprom
*/
#define IEEE80211_24GHZ_MAX_CHANNEL 14
static int iwl3945_init_geos(struct iwl_priv *priv)
{
struct iwl_channel_info *ch;
struct ieee80211_supported_band *sband;
struct ieee80211_channel *channels;
struct ieee80211_channel *geo_ch;
struct ieee80211_rate *rates;
int i = 0;
if (priv->bands[IEEE80211_BAND_2GHZ].n_bitrates ||
priv->bands[IEEE80211_BAND_5GHZ].n_bitrates) {
IWL_DEBUG_INFO("Geography modes already initialized.\n");
set_bit(STATUS_GEO_CONFIGURED, &priv->status);
return 0;
}
channels = kzalloc(sizeof(struct ieee80211_channel) *
priv->channel_count, GFP_KERNEL);
if (!channels)
return -ENOMEM;
rates = kzalloc((sizeof(struct ieee80211_rate) * (IWL_RATE_COUNT + 1)),
GFP_KERNEL);
if (!rates) {
kfree(channels);
return -ENOMEM;
}
/* 5.2GHz channels start after the 2.4GHz channels */
sband = &priv->bands[IEEE80211_BAND_5GHZ];
sband->channels = &channels[IEEE80211_24GHZ_MAX_CHANNEL];
/* just OFDM */
sband->bitrates = &rates[IWL_FIRST_OFDM_RATE];
sband->n_bitrates = IWL_RATE_COUNT - IWL_FIRST_OFDM_RATE;
sband = &priv->bands[IEEE80211_BAND_2GHZ];
sband->channels = channels;
/* OFDM & CCK */
sband->bitrates = rates;
sband->n_bitrates = IWL_RATE_COUNT;
priv->ieee_channels = channels;
priv->ieee_rates = rates;
iwl3945_init_hw_rates(priv, rates);
for (i = 0; i < priv->channel_count; i++) {
ch = &priv->channel_info[i];
/* FIXME: might be removed if scan is OK*/
if (!is_channel_valid(ch))
continue;
if (is_channel_a_band(ch))
sband = &priv->bands[IEEE80211_BAND_5GHZ];
else
sband = &priv->bands[IEEE80211_BAND_2GHZ];
geo_ch = &sband->channels[sband->n_channels++];
geo_ch->center_freq = ieee80211_channel_to_frequency(ch->channel);
geo_ch->max_power = ch->max_power_avg;
geo_ch->max_antenna_gain = 0xff;
geo_ch->hw_value = ch->channel;
if (is_channel_valid(ch)) {
if (!(ch->flags & EEPROM_CHANNEL_IBSS))
geo_ch->flags |= IEEE80211_CHAN_NO_IBSS;
if (!(ch->flags & EEPROM_CHANNEL_ACTIVE))
geo_ch->flags |= IEEE80211_CHAN_PASSIVE_SCAN;
if (ch->flags & EEPROM_CHANNEL_RADAR)
geo_ch->flags |= IEEE80211_CHAN_RADAR;
if (ch->max_power_avg > priv->tx_power_channel_lmt)
priv->tx_power_channel_lmt =
ch->max_power_avg;
} else {
geo_ch->flags |= IEEE80211_CHAN_DISABLED;
}
/* Save flags for reg domain usage */
geo_ch->orig_flags = geo_ch->flags;
IWL_DEBUG_INFO("Channel %d Freq=%d[%sGHz] %s flag=0%X\n",
ch->channel, geo_ch->center_freq,
is_channel_a_band(ch) ? "5.2" : "2.4",
geo_ch->flags & IEEE80211_CHAN_DISABLED ?
"restricted" : "valid",
geo_ch->flags);
}
if ((priv->bands[IEEE80211_BAND_5GHZ].n_channels == 0) &&
priv->cfg->sku & IWL_SKU_A) {
IWL_INFO(priv, "Incorrectly detected BG card as ABG. "
"Please send your PCI ID 0x%04X:0x%04X to maintainer.\n",
priv->pci_dev->device, priv->pci_dev->subsystem_device);
priv->cfg->sku &= ~IWL_SKU_A;
}
IWL_INFO(priv, "Tunable channels: %d 802.11bg, %d 802.11a channels\n",
priv->bands[IEEE80211_BAND_2GHZ].n_channels,
priv->bands[IEEE80211_BAND_5GHZ].n_channels);
if (priv->bands[IEEE80211_BAND_2GHZ].n_channels)
priv->hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
&priv->bands[IEEE80211_BAND_2GHZ];
if (priv->bands[IEEE80211_BAND_5GHZ].n_channels)
priv->hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
&priv->bands[IEEE80211_BAND_5GHZ];
set_bit(STATUS_GEO_CONFIGURED, &priv->status);
return 0;
}
/*
* iwl3945_free_geos - undo allocations in iwl3945_init_geos
*/
static void iwl3945_free_geos(struct iwl_priv *priv)
{
kfree(priv->ieee_channels);
kfree(priv->ieee_rates);
clear_bit(STATUS_GEO_CONFIGURED, &priv->status);
}
/******************************************************************************
*
* uCode download functions
@ -6144,11 +6013,19 @@ static int iwl3945_init_drv(struct iwl_priv *priv)
goto err_free_channel_map;
}
ret = iwl3945_init_geos(priv);
ret = iwlcore_init_geos(priv);
if (ret) {
IWL_ERR(priv, "initializing geos failed: %d\n", ret);
goto err_free_channel_map;
}
iwl3945_init_hw_rates(priv, priv->ieee_rates);
if (priv->bands[IEEE80211_BAND_2GHZ].n_channels)
priv->hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
&priv->bands[IEEE80211_BAND_2GHZ];
if (priv->bands[IEEE80211_BAND_5GHZ].n_channels)
priv->hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
&priv->bands[IEEE80211_BAND_5GHZ];
return 0;
@ -6379,7 +6256,7 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e
out_remove_sysfs:
sysfs_remove_group(&pdev->dev.kobj, &iwl3945_attribute_group);
out_free_geos:
iwl3945_free_geos(priv);
iwlcore_free_geos(priv);
out_release_irq:
free_irq(priv->pci_dev->irq, priv);
@ -6461,7 +6338,7 @@ static void __devexit iwl3945_pci_remove(struct pci_dev *pdev)
pci_set_drvdata(pdev, NULL);
iwl_free_channel_map(priv);
iwl3945_free_geos(priv);
iwlcore_free_geos(priv);
kfree(priv->scan);
if (priv->ibss_beacon)
dev_kfree_skb(priv->ibss_beacon);