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-rw-r--r--include/net/mac80211.h150
1 files changed, 132 insertions, 18 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index d52914b75331..201bc68e0cff 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -301,17 +301,86 @@ enum ieee80211_bss_change {
#define IEEE80211_BSS_ARP_ADDR_LIST_LEN 4
/**
- * enum ieee80211_rssi_event - RSSI threshold event
- * An indicator for when RSSI goes below/above a certain threshold.
- * @RSSI_EVENT_HIGH: AP's rssi crossed the high threshold set by the driver.
- * @RSSI_EVENT_LOW: AP's rssi crossed the low threshold set by the driver.
+ * 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_rssi_event {
+enum ieee80211_event_type {
+ RSSI_EVENT,
+ MLME_EVENT,
+};
+
+/**
+ * enum ieee80211_rssi_event_data - relevant when event type is %RSSI_EVENT
+ * @RSSI_EVENT_HIGH: AP's rssi went below the threshold set by the driver.
+ * @RSSI_EVENT_LOW: AP's rssi went above the threshold set by the driver.
+ */
+enum ieee80211_rssi_event_data {
RSSI_EVENT_HIGH,
RSSI_EVENT_LOW,
};
/**
+ * enum ieee80211_rssi_event - data attached to an %RSSI_EVENT
+ * @data: See &enum ieee80211_rssi_event_data
+ */
+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
+ * @ASSOC_EVENT: the MLME operation is association
+ * @DEAUTH_RX_EVENT: deauth received..
+ * @DEAUTH_TX_EVENT: deauth sent.
+ */
+enum ieee80211_mlme_event_data {
+ AUTH_EVENT,
+ ASSOC_EVENT,
+ DEAUTH_RX_EVENT,
+ DEAUTH_TX_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;
+};
+
+/**
* struct ieee80211_bss_conf - holds the BSS's changing parameters
*
* This structure keeps information about a BSS (and an association
@@ -337,12 +406,15 @@ enum ieee80211_rssi_event {
* HW flag %IEEE80211_HW_TIMING_BEACON_ONLY is set, then this can
* only come from a beacon, but might not become valid until after
* association when a beacon is received (which is notified with the
- * %BSS_CHANGED_DTIM flag.)
+ * %BSS_CHANGED_DTIM flag.). See also sync_dtim_count important notice.
* @sync_device_ts: the device timestamp corresponding to the sync_tsf,
* the driver/device can use this to calculate synchronisation
- * (see @sync_tsf)
+ * (see @sync_tsf). See also sync_dtim_count important notice.
* @sync_dtim_count: Only valid when %IEEE80211_HW_TIMING_BEACON_ONLY
* is requested, see @sync_tsf/@sync_device_ts.
+ * IMPORTANT: These three sync_* parameters would possibly be out of sync
+ * by the time the driver will use them. The synchronized view is currently
+ * guaranteed only in certain callbacks.
* @beacon_int: beacon interval
* @assoc_capability: capabilities taken from assoc resp
* @basic_rates: bitmap of basic rates, each bit stands for an
@@ -1279,6 +1351,19 @@ static inline bool ieee80211_vif_is_mesh(struct ieee80211_vif *vif)
struct ieee80211_vif *wdev_to_ieee80211_vif(struct wireless_dev *wdev);
/**
+ * ieee80211_vif_to_wdev - return a wdev struct from a vif
+ * @vif: the vif to get the wdev for
+ *
+ * This can be used by mac80211 drivers with direct cfg80211 APIs
+ * (like the vendor commands) that needs to get the wdev for a vif.
+ *
+ * Note that this function may return %NULL if the given wdev isn't
+ * associated with a vif that the driver knows about (e.g. monitor
+ * or AP_VLAN interfaces.)
+ */
+struct wireless_dev *ieee80211_vif_to_wdev(struct ieee80211_vif *vif);
+
+/**
* enum ieee80211_key_flags - key flags
*
* These flags are used for communication about keys between the driver
@@ -1472,7 +1557,8 @@ struct ieee80211_sta_rates {
* @supp_rates: Bitmap of supported rates (per band)
* @ht_cap: HT capabilities of this STA; restricted to our own capabilities
* @vht_cap: VHT capabilities of this STA; restricted to our own capabilities
- * @wme: indicates whether the STA supports QoS/WME.
+ * @wme: indicates whether the STA supports QoS/WME (if local devices does,
+ * otherwise always false)
* @drv_priv: data area for driver use, will always be aligned to
* sizeof(void *), size is determined in hw information.
* @uapsd_queues: bitmap of queues configured for uapsd. Only valid
@@ -1488,6 +1574,7 @@ struct ieee80211_sta_rates {
* @tdls: indicates whether the STA is a TDLS peer
* @tdls_initiator: indicates the STA is an initiator of the TDLS link. Only
* valid if the STA is a TDLS peer in the first place.
+ * @mfp: indicates whether the STA uses management frame protection or not.
*/
struct ieee80211_sta {
u32 supp_rates[IEEE80211_NUM_BANDS];
@@ -1504,6 +1591,7 @@ struct ieee80211_sta {
struct ieee80211_sta_rates __rcu *rates;
bool tdls;
bool tdls_initiator;
+ bool mfp;
/* must be last */
u8 drv_priv[0] __aligned(sizeof(void *));
@@ -2844,8 +2932,9 @@ enum ieee80211_reconfig_type {
* @set_bitrate_mask: Set a mask of rates to be used for rate control selection
* when transmitting a frame. Currently only legacy rates are handled.
* The callback can sleep.
- * @rssi_callback: Notify driver when the average RSSI goes above/below
- * thresholds that were registered previously. The callback can sleep.
+ * @event_callback: Notify driver about any event in mac80211. See
+ * &enum ieee80211_event_type for the different types.
+ * The callback can sleep.
*
* @release_buffered_frames: Release buffered frames according to the given
* parameters. In the case where the driver buffers some frames for
@@ -3141,9 +3230,9 @@ struct ieee80211_ops {
bool (*tx_frames_pending)(struct ieee80211_hw *hw);
int (*set_bitrate_mask)(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
const struct cfg80211_bitrate_mask *mask);
- void (*rssi_callback)(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- enum ieee80211_rssi_event rssi_event);
+ void (*event_callback)(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ const struct ieee80211_event *event);
void (*allow_buffered_frames)(struct ieee80211_hw *hw,
struct ieee80211_sta *sta,
@@ -4343,13 +4432,33 @@ void ieee80211_sched_scan_stopped(struct ieee80211_hw *hw);
* haven't been re-added to the driver yet.
* @IEEE80211_IFACE_ITER_RESUME_ALL: During resume, iterate over all
* interfaces, even if they haven't been re-added to the driver yet.
+ * @IEEE80211_IFACE_ITER_ACTIVE: Iterate only active interfaces (netdev is up).
*/
enum ieee80211_interface_iteration_flags {
IEEE80211_IFACE_ITER_NORMAL = 0,
IEEE80211_IFACE_ITER_RESUME_ALL = BIT(0),
+ IEEE80211_IFACE_ITER_ACTIVE = BIT(1),
};
/**
+ * ieee80211_iterate_interfaces - iterate interfaces
+ *
+ * This function iterates over the interfaces associated with a given
+ * hardware and calls the callback for them. This includes active as well as
+ * inactive interfaces. This function allows the iterator function to sleep.
+ * Will iterate over a new interface during add_interface().
+ *
+ * @hw: the hardware struct of which the interfaces should be iterated over
+ * @iter_flags: iteration flags, see &enum ieee80211_interface_iteration_flags
+ * @iterator: the iterator function to call
+ * @data: first argument of the iterator function
+ */
+void ieee80211_iterate_interfaces(struct ieee80211_hw *hw, u32 iter_flags,
+ void (*iterator)(void *data, u8 *mac,
+ struct ieee80211_vif *vif),
+ void *data);
+
+/**
* ieee80211_iterate_active_interfaces - iterate active interfaces
*
* This function iterates over the interfaces associated with a given
@@ -4364,11 +4473,16 @@ enum ieee80211_interface_iteration_flags {
* @iterator: the iterator function to call
* @data: first argument of the iterator function
*/
-void ieee80211_iterate_active_interfaces(struct ieee80211_hw *hw,
- u32 iter_flags,
- void (*iterator)(void *data, u8 *mac,
- struct ieee80211_vif *vif),
- void *data);
+static inline void
+ieee80211_iterate_active_interfaces(struct ieee80211_hw *hw, u32 iter_flags,
+ void (*iterator)(void *data, u8 *mac,
+ struct ieee80211_vif *vif),
+ void *data)
+{
+ ieee80211_iterate_interfaces(hw,
+ iter_flags | IEEE80211_IFACE_ITER_ACTIVE,
+ iterator, data);
+}
/**
* ieee80211_iterate_active_interfaces_atomic - iterate active interfaces