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iwlwifi: remove next_scan_jiffies 

This logic is just confusing, if anything it
belongs into mac80211. Also, even if we do
scan during the EAPOL handshake, that will
not cause any problems, just a short delay.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
This commit is contained in:
Johannes Berg 2010-04-06 04:12:39 -07:00 коммит произвёл Reinette Chatre
Родитель 6708dc8638
Коммит 92ae80eec7
4 изменённых файлов: 0 добавлений и 35 удалений
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9
drivers/net/wireless/iwlwifi/iwl-core.c
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@ -1867,7 +1867,6 @@ static inline void iwl_set_no_assoc(struct iwl_priv *priv)
iwlcore_commit_rxon(priv);
}
#define IWL_DELAY_NEXT_SCAN_AFTER_ASSOC (HZ*6)
void iwl_bss_info_changed(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *bss_conf,
@ -1988,14 +1987,6 @@ void iwl_bss_info_changed(struct ieee80211_hw *hw,
iwl_led_associate(priv);
/*
* We have just associated, don't start scan too early
* leave time for EAPOL exchange to complete.
*
* XXX: do this in mac80211
*/
priv->next_scan_jiffies = jiffies +
IWL_DELAY_NEXT_SCAN_AFTER_ASSOC;
if (!iwl_is_rfkill(priv))
priv->cfg->ops->lib->post_associate(priv);
} else

1
drivers/net/wireless/iwlwifi/iwl-dev.h
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@ -1049,7 +1049,6 @@ struct iwl_priv {
struct iwl_calib_result calib_results[IWL_CALIB_MAX];
/* Scan related variables */
unsigned long next_scan_jiffies;
unsigned long scan_start;
unsigned long scan_pass_start;
unsigned long scan_start_tsf;

20
drivers/net/wireless/iwlwifi/iwl-scan.c
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@ -199,9 +199,6 @@ static void iwl_rx_scan_results_notif(struct iwl_priv *priv,
le32_to_cpu(notif->statistics[0]),
le32_to_cpu(notif->tsf_low) - priv->scan_start_tsf);
#endif
if (!priv->is_internal_short_scan)
priv->next_scan_jiffies = 0;
}
/* Service SCAN_COMPLETE_NOTIFICATION (0x84) */
@ -234,9 +231,6 @@ static void iwl_rx_scan_complete_notif(struct iwl_priv *priv,
if (test_and_clear_bit(STATUS_SCAN_ABORTING, &priv->status))
IWL_DEBUG_INFO(priv, "Aborted scan completed.\n");
if (!priv->is_internal_short_scan)
priv->next_scan_jiffies = 0;
IWL_DEBUG_INFO(priv, "Setting scan to off\n");
clear_bit(STATUS_SCANNING, &priv->status);
@ -462,8 +456,6 @@ static int iwl_scan_initiate(struct iwl_priv *priv)
return 0;
}
#define IWL_DELAY_NEXT_SCAN (HZ*2)
int iwl_mac_hw_scan(struct ieee80211_hw *hw,
struct cfg80211_scan_request *req)
{
@ -497,18 +489,6 @@ int iwl_mac_hw_scan(struct ieee80211_hw *hw,
goto out_unlock;
}
/* We don't schedule scan within next_scan_jiffies period.
* Avoid scanning during possible EAPOL exchange, return
* success immediately.
*/
if (priv->next_scan_jiffies &&
time_after(priv->next_scan_jiffies, jiffies)) {
IWL_DEBUG_SCAN(priv, "scan rejected: within next scan period\n");
queue_work(priv->workqueue, &priv->scan_completed);
ret = 0;
goto out_unlock;
}
/* mac80211 will only ask for one band at a time */
priv->scan_band = req->channels[0]->band;
priv->scan_request = req;

5
drivers/net/wireless/iwlwifi/iwl3945-base.c
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@ -3048,8 +3048,6 @@ static void iwl3945_bg_rx_replenish(struct work_struct *data)
mutex_unlock(&priv->mutex);
}
#define IWL_DELAY_NEXT_SCAN (HZ*2)
void iwl3945_post_associate(struct iwl_priv *priv)
{
int rc = 0;
@ -3134,9 +3132,6 @@ void iwl3945_post_associate(struct iwl_priv *priv)
__func__, priv->iw_mode);
break;
}
/* we have just associated, don't start scan too early */
priv->next_scan_jiffies = jiffies + IWL_DELAY_NEXT_SCAN;
}
/*****************************************************************************