Return-path: Received: from mga02.intel.com ([134.134.136.20]:16699 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751327AbYDEABQ (ORCPT ); Fri, 4 Apr 2008 20:01:16 -0400 From: Reinette Chatre To: linville@tuxdriver.com, johannes@sipsolutions.net Cc: linux-wireless@vger.kernel.org, ipw3945-devel@lists.sourceforge.net, Mohamed Abbas , Reinette Chatre Subject: [PATCH v2] mac80211: notify mac from low level driver (iwlwifi) Date: Fri, 4 Apr 2008 16:59:58 -0700 Message-Id: <1207353598-461-1-git-send-email-reinette.chatre@intel.com> (sfid-20080405_010120_519160_9DFAA506) Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Mohamed Abbas Add new API to MAC80211 to allow low level driver to notify MAC with driver status. Signed-off-by: Mohamed Abbas Signed-off-by: Reinette Chatre --- drivers/net/wireless/iwlwifi/iwl3945-base.c | 1 + drivers/net/wireless/iwlwifi/iwl4965-base.c | 1 + include/net/mac80211.h | 19 +++++++++++++++++++ net/mac80211/ieee80211_sta.c | 23 +++++++++++++++++++++++ 4 files changed, 44 insertions(+), 0 deletions(-) diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index d4daa04..19a14ad 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -5883,6 +5883,7 @@ 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: diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c index 4517e4c..4de81d8 100644 --- a/drivers/net/wireless/iwlwifi/iwl4965-base.c +++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c @@ -5711,6 +5711,7 @@ 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: diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 01b3215..0bc73e2 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -74,6 +74,14 @@ */ /** + * 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 * * This structure describes most essential parameters needed @@ -1677,4 +1685,15 @@ 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 */ diff --git a/net/mac80211/ieee80211_sta.c b/net/mac80211/ieee80211_sta.c index f3c8a21..833b225 100644 --- a/net/mac80211/ieee80211_sta.c +++ b/net/mac80211/ieee80211_sta.c @@ -4235,3 +4235,26 @@ 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); -- 1.5.3.4