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Commit 84363e6e authored by Mohamed Abbas's avatar Mohamed Abbas Committed by John W. Linville
Browse files

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: default avatarMohamed Abbas <mabbas@linux.intel.com>
Signed-off-by: default avatarReinette Chatre <reinette.chatre@intel.com>
Acked-by: default avatarJohannes Berg <johannes@sipsolutions.net>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 380a942b

drivers/net/wireless/iwlwifi/iwl3945-base.c

+1 −0
Original line number Diff line number Diff line
@@ -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:

drivers/net/wireless/iwlwifi/iwl4965-base.c

+1 −0
Original line number Diff line number Diff line
@@ -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:

include/net/mac80211.h

+19 −0
Original line number Diff line number Diff line
@@ -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 */

net/mac80211/ieee80211_sta.c

+23 −0
Original line number Diff line number Diff line
@@ -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);