提交 84363e6e 编写于 作者: M Mohamed Abbas 提交者: John W. Linville

mac80211: notify mac from low level driver (iwlwifi)

Add new API to MAC80211 to allow low level driver to
notify MAC with driver status.
Signed-off-by: NMohamed Abbas <mabbas@linux.intel.com>
Signed-off-by: NReinette Chatre <reinette.chatre@intel.com>
Acked-by: NJohannes Berg <johannes@sipsolutions.net>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
上级 380a942b
......@@ -5886,6 +5886,7 @@ static void iwl3945_alive_start(struct iwl3945_priv *priv)
if (priv->error_recovering)
iwl3945_error_recovery(priv);
ieee80211_notify_mac(priv->hw, IEEE80211_NOTIFY_RE_ASSOC);
return;
restart:
......
......@@ -5714,6 +5714,7 @@ static void iwl4965_alive_start(struct iwl_priv *priv)
iwl4965_error_recovery(priv);
iwlcore_low_level_notify(priv, IWLCORE_START_EVT);
ieee80211_notify_mac(priv->hw, IEEE80211_NOTIFY_RE_ASSOC);
return;
restart:
......
......@@ -73,6 +73,14 @@
* not do so then mac80211 may add this under certain circumstances.
*/
/**
* enum ieee80211_notification_type - Low level driver notification
* @IEEE80211_NOTIFY_RE_ASSOC: start the re-association sequence
*/
enum ieee80211_notification_types {
IEEE80211_NOTIFY_RE_ASSOC,
};
/**
* struct ieee80211_ht_bss_info - describing BSS's HT characteristics
*
......@@ -1678,4 +1686,15 @@ void ieee80211_stop_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u8 tid);
void ieee80211_stop_tx_ba_cb_irqsafe(struct ieee80211_hw *hw, const u8 *ra,
u16 tid);
/**
* ieee80211_notify_mac - low level driver notification
* @hw: pointer as obtained from ieee80211_alloc_hw().
* @notification_types: enum ieee80211_notification_types
*
* This function must be called by low level driver to inform mac80211 of
* low level driver status change or force mac80211 to re-assoc for low
* level driver internal error that require re-assoc.
*/
void ieee80211_notify_mac(struct ieee80211_hw *hw,
enum ieee80211_notification_types notif_type);
#endif /* MAC80211_H */
......@@ -4225,3 +4225,26 @@ int ieee80211_sta_disassociate(struct net_device *dev, u16 reason)
ieee80211_set_disassoc(dev, ifsta, 0);
return 0;
}
void ieee80211_notify_mac(struct ieee80211_hw *hw,
enum ieee80211_notification_types notif_type)
{
struct ieee80211_local *local = hw_to_local(hw);
struct ieee80211_sub_if_data *sdata;
switch (notif_type) {
case IEEE80211_NOTIFY_RE_ASSOC:
rcu_read_lock();
list_for_each_entry_rcu(sdata, &local->interfaces, list) {
if (sdata->vif.type == IEEE80211_IF_TYPE_STA) {
ieee80211_sta_req_auth(sdata->dev,
&sdata->u.sta);
}
}
rcu_read_unlock();
break;
}
}
EXPORT_SYMBOL(ieee80211_notify_mac);
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