summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/iwlwifi/iwl-agn.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn.c90
1 files changed, 90 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 0cb95bfd15a5..2814565fa3b4 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -2972,6 +2972,96 @@ static void iwl_cancel_deferred_work(struct iwl_priv *priv)
del_timer_sync(&priv->statistics_periodic);
}
+static void iwl_init_hw_rates(struct iwl_priv *priv,
+ struct ieee80211_rate *rates)
+{
+ int i;
+
+ for (i = 0; i < IWL_RATE_COUNT_LEGACY; i++) {
+ rates[i].bitrate = iwl_rates[i].ieee * 5;
+ rates[i].hw_value = i; /* Rate scaling will work on indexes */
+ rates[i].hw_value_short = i;
+ rates[i].flags = 0;
+ if ((i >= IWL_FIRST_CCK_RATE) && (i <= IWL_LAST_CCK_RATE)) {
+ /*
+ * If CCK != 1M then set short preamble rate flag.
+ */
+ rates[i].flags |=
+ (iwl_rates[i].plcp == IWL_RATE_1M_PLCP) ?
+ 0 : IEEE80211_RATE_SHORT_PREAMBLE;
+ }
+ }
+}
+
+static int iwl_init_drv(struct iwl_priv *priv)
+{
+ int ret;
+
+ priv->ibss_beacon = NULL;
+
+ spin_lock_init(&priv->lock);
+ spin_lock_init(&priv->sta_lock);
+ spin_lock_init(&priv->hcmd_lock);
+
+ INIT_LIST_HEAD(&priv->free_frames);
+
+ mutex_init(&priv->mutex);
+
+ /* Clear the driver's (not device's) station table */
+ iwl_clear_stations_table(priv);
+
+ priv->ieee_channels = NULL;
+ priv->ieee_rates = NULL;
+ priv->band = IEEE80211_BAND_2GHZ;
+
+ priv->iw_mode = NL80211_IFTYPE_STATION;
+
+ /* Choose which receivers/antennas to use */
+ if (priv->cfg->ops->hcmd->set_rxon_chain)
+ priv->cfg->ops->hcmd->set_rxon_chain(priv);
+
+ iwl_init_scan_params(priv);
+
+ iwl_reset_qos(priv);
+
+ priv->qos_data.qos_active = 0;
+ priv->qos_data.qos_cap.val = 0;
+
+ priv->rates_mask = IWL_RATES_MASK;
+ /* Set the tx_power_user_lmt to the lowest power level
+ * this value will get overwritten by channel max power avg
+ * from eeprom */
+ priv->tx_power_user_lmt = IWL_TX_POWER_TARGET_POWER_MIN;
+
+ ret = iwl_init_channel_map(priv);
+ if (ret) {
+ IWL_ERR(priv, "initializing regulatory failed: %d\n", ret);
+ goto err;
+ }
+
+ ret = iwlcore_init_geos(priv);
+ if (ret) {
+ IWL_ERR(priv, "initializing geos failed: %d\n", ret);
+ goto err_free_channel_map;
+ }
+ iwl_init_hw_rates(priv, priv->ieee_rates);
+
+ return 0;
+
+err_free_channel_map:
+ iwl_free_channel_map(priv);
+err:
+ return ret;
+}
+
+static void iwl_uninit_drv(struct iwl_priv *priv)
+{
+ iwl_calib_free_results(priv);
+ iwlcore_free_geos(priv);
+ iwl_free_channel_map(priv);
+ kfree(priv->scan);
+}
+
static struct attribute *iwl_sysfs_entries[] = {
&dev_attr_flags.attr,
&dev_attr_filter_flags.attr,