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Commit a9409093 authored by Emmanuel Grumbach's avatar Emmanuel Grumbach Committed by Johannes Berg
Browse files

mac80211: notify the driver about authentication status 



This can allow the driver to take action based on the
success / failure of the authentication.

Signed-off-by: default avatarEmmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent a8182929

include/net/mac80211.h

+36 −0
Original line number Diff line number Diff line
@@ -303,9 +303,11 @@ enum ieee80211_bss_change { 
/**

 * enum ieee80211_event_type - event to be notified to the low level driver

 * @RSSI_EVENT: AP's rssi crossed the a threshold set by the driver.

 * @MLME_EVENT: event related to MLME

 */

enum ieee80211_event_type {

	RSSI_EVENT,

	MLME_EVENT,

};



/**
@@ -326,15 +328,49 @@ struct ieee80211_rssi_event { 
	enum ieee80211_rssi_event_data data;

};



/**

 * enum ieee80211_mlme_event_data - relevant when event type is %MLME_EVENT

 * @AUTH_EVENT: the MLME operation is authentication

 */

enum ieee80211_mlme_event_data {

	AUTH_EVENT,

};



/**

 * enum ieee80211_mlme_event_status - relevant when event type is %MLME_EVENT

 * @MLME_SUCCESS: the MLME operation completed successfully.

 * @MLME_DENIED: the MLME operation was denied by the peer.

 * @MLME_TIMEOUT: the MLME operation timed out.

 */

enum ieee80211_mlme_event_status {

	MLME_SUCCESS,

	MLME_DENIED,

	MLME_TIMEOUT,

};



/**

 * enum ieee80211_mlme_event - data attached to an %MLME_EVENT

 * @data: See &enum ieee80211_mlme_event_data

 * @status: See &enum ieee80211_mlme_event_status

 * @reason: the reason code if applicable

 */

struct ieee80211_mlme_event {

	enum ieee80211_mlme_event_data data;

	enum ieee80211_mlme_event_status status;

	u16 reason;

};



/**

 * struct ieee80211_event - event to be sent to the driver

 * @type The event itself. See &enum ieee80211_event_type.

 * @rssi: relevant if &type is %RSSI_EVENT

 * @mlme: relevant if &type is %AUTH_EVENT

 */

struct ieee80211_event {

	enum ieee80211_event_type type;

	union {

		struct ieee80211_rssi_event rssi;

		struct ieee80211_mlme_event mlme;

	} u;

};

net/mac80211/mlme.c

+15 −0
Original line number Diff line number Diff line
@@ -2495,6 +2495,10 @@ static void ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata, 
	u8 bssid[ETH_ALEN];

	u16 auth_alg, auth_transaction, status_code;

	struct sta_info *sta;

	struct ieee80211_event event = {

		.type = MLME_EVENT,

		.u.mlme.data = AUTH_EVENT,

	};



	sdata_assert_lock(sdata);
@@ -2527,6 +2531,9 @@ static void ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata, 
			   mgmt->sa, status_code);

		ieee80211_destroy_auth_data(sdata, false);

		cfg80211_rx_mlme_mgmt(sdata->dev, (u8 *)mgmt, len);

		event.u.mlme.status = MLME_DENIED;

		event.u.mlme.reason = status_code;

		drv_event_callback(sdata->local, sdata, &event);

		return;

	}
@@ -2549,6 +2556,8 @@ static void ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata, 
		return;

	}



	event.u.mlme.status = MLME_SUCCESS;

	drv_event_callback(sdata->local, sdata, &event);

	sdata_info(sdata, "authenticated\n");

	ifmgd->auth_data->done = true;

	ifmgd->auth_data->timeout = jiffies + IEEE80211_AUTH_WAIT_ASSOC;
@@ -3805,12 +3814,18 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata) 
			ieee80211_destroy_auth_data(sdata, false);

		} else if (ieee80211_probe_auth(sdata)) {

			u8 bssid[ETH_ALEN];

			struct ieee80211_event event = {

				.type = MLME_EVENT,

				.u.mlme.data = AUTH_EVENT,

				.u.mlme.status = MLME_TIMEOUT,

			};



			memcpy(bssid, ifmgd->auth_data->bss->bssid, ETH_ALEN);



			ieee80211_destroy_auth_data(sdata, false);



			cfg80211_auth_timeout(sdata->dev, bssid);

			drv_event_callback(sdata->local, sdata, &event);

		}

	} else if (ifmgd->auth_data && ifmgd->auth_data->timeout_started)

		run_again(sdata, ifmgd->auth_data->timeout);