1 files changed, 52 insertions, 2 deletions

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 936bc410d061..1a8f50af49a0 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -144,6 +144,7 @@ struct ieee80211_low_level_stats {
  *      new beacon (beaconing modes)
  * @BSS_CHANGED_BEACON_ENABLED: Beaconing should be
  *      enabled/disabled (beaconing modes)
+ * @BSS_CHANGED_CQM: Connection quality monitor config changed
  */
 enum ieee80211_bss_change {
         BSS_CHANGED_ASSOC               = 1<<0,
@@ -156,6 +157,7 @@ enum ieee80211_bss_change {
         BSS_CHANGED_BSSID               = 1<<7,
         BSS_CHANGED_BEACON              = 1<<8,
         BSS_CHANGED_BEACON_ENABLED      = 1<<9,
+        BSS_CHANGED_CQM                 = 1<<10,
 };
 
 /**
@@ -185,6 +187,9 @@ enum ieee80211_bss_change {
  * @enable_beacon: whether beaconing should be enabled or not
  * @ht_operation_mode: HT operation mode (like in &struct ieee80211_ht_info).
  *      This field is only valid when the channel type is one of the HT types.
+ * @cqm_rssi_thold: Connection quality monitor RSSI threshold, a zero value
+ *      implies disabled
+ * @cqm_rssi_hyst: Connection quality monitor RSSI hysteresis
  */
 struct ieee80211_bss_conf {
         const u8 *bssid;
@@ -202,6 +207,8 @@ struct ieee80211_bss_conf {
         u64 timestamp;
         u32 basic_rates;
         u16 ht_operation_mode;
+        s32 cqm_rssi_thold;
+        u32 cqm_rssi_hyst;
 };
 
 /**
@@ -954,6 +961,17 @@ enum ieee80211_tkip_key_type {
  *      Hardware can provide ack status reports of Tx frames to
  *      the stack.
  *
+ * @IEEE80211_HW_CONNECTION_MONITOR:
+ *      The hardware performs its own connection monitoring, including
+ *      periodic keep-alives to the AP and probing the AP on beacon loss.
+ *      When this flag is set, signaling beacon-loss will cause an immediate
+ *      change to disassociated state.
+ *
+ * @IEEE80211_HW_SUPPORTS_CQM_RSSI:
+ *      Hardware can do connection quality monitoring - i.e. it can monitor
+ *      connection quality related parameters, such as the RSSI level and
+ *      provide notifications if configured trigger levels are reached.
+ *
  */
 enum ieee80211_hw_flags {
         IEEE80211_HW_HAS_RATE_CONTROL                   = 1<<0,
@@ -975,6 +993,8 @@ enum ieee80211_hw_flags {
         IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS              = 1<<16,
         IEEE80211_HW_SUPPORTS_UAPSD                     = 1<<17,
         IEEE80211_HW_REPORTS_TX_ACK_STATUS              = 1<<18,
+        IEEE80211_HW_CONNECTION_MONITOR                 = 1<<19,
+        IEEE80211_HW_SUPPORTS_CQM_RSSI                  = 1<<20,
 };
 
 /**
@@ -2364,12 +2384,42 @@ void ieee80211_sta_block_awake(struct ieee80211_hw *hw,
  *
  * @vif: &struct ieee80211_vif pointer from the add_interface callback.
  *
- * When beacon filtering is enabled with IEEE80211_HW_BEACON_FILTERING and
- * IEEE80211_CONF_PS is set, the driver needs to inform whenever the
+ * When beacon filtering is enabled with %IEEE80211_HW_BEACON_FILTERING and
+ * %IEEE80211_CONF_PS is set, the driver needs to inform whenever the
  * hardware is not receiving beacons with this function.
  */
 void ieee80211_beacon_loss(struct ieee80211_vif *vif);
 
+/**
+ * ieee80211_connection_loss - inform hardware has lost connection to the AP
+ *
+ * @vif: &struct ieee80211_vif pointer from the add_interface callback.
+ *
+ * When beacon filtering is enabled with %IEEE80211_HW_BEACON_FILTERING, and
+ * %IEEE80211_CONF_PS and %IEEE80211_HW_CONNECTION_MONITOR are set, the driver
+ * needs to inform if the connection to the AP has been lost.
+ *
+ * This function will cause immediate change to disassociated state,
+ * without connection recovery attempts.
+ */
+void ieee80211_connection_loss(struct ieee80211_vif *vif);
+
+/**
+ * ieee80211_cqm_rssi_notify - inform a configured connection quality monitoring
+ *      rssi threshold triggered
+ *
+ * @vif: &struct ieee80211_vif pointer from the add_interface callback.
+ * @rssi_event: the RSSI trigger event type
+ * @gfp: context flags
+ *
+ * When the %IEEE80211_HW_SUPPORTS_CQM_RSSI is set, and a connection quality
+ * monitoring is configured with an rssi threshold, the driver will inform
+ * whenever the rssi level reaches the threshold.
+ */
+void ieee80211_cqm_rssi_notify(struct ieee80211_vif *vif,
+                               enum nl80211_cqm_rssi_threshold_event rssi_event,
+                               gfp_t gfp);
+
 /* Rate control API */
 
 /**