wl12xx: AP mode - support FW TX inactivity triggers

In AP mode we register for the MAX_TX_RETRY and INACTIVE_STA events.
Both are reported to the upper layers as a TX failure in the offending
stations.

Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
diff --git a/drivers/net/wireless/wl12xx/event.h b/drivers/net/wireless/wl12xx/event.h
index ce99adf..e524ad6 100644
--- a/drivers/net/wireless/wl12xx/event.h
+++ b/drivers/net/wireless/wl12xx/event.h
@@ -58,13 +58,16 @@
 	CHANNEL_SWITCH_COMPLETE_EVENT_ID	 = BIT(17),
 	BSS_LOSE_EVENT_ID			 = BIT(18),
 	REGAINED_BSS_EVENT_ID			 = BIT(19),
-	ROAMING_TRIGGER_MAX_TX_RETRY_EVENT_ID	 = BIT(20),
+	MAX_TX_RETRY_EVENT_ID			 = BIT(20),
 	/* STA: dummy paket for dynamic mem blocks */
 	DUMMY_PACKET_EVENT_ID                    = BIT(21),
 	/* AP: STA remove complete */
 	STA_REMOVE_COMPLETE_EVENT_ID             = BIT(21),
 	SOFT_GEMINI_SENSE_EVENT_ID		 = BIT(22),
+	/* STA: SG prediction */
 	SOFT_GEMINI_PREDICTION_EVENT_ID		 = BIT(23),
+	/* AP: Inactive STA */
+	INACTIVE_STA_EVENT_ID			 = BIT(23),
 	SOFT_GEMINI_AVALANCHE_EVENT_ID		 = BIT(24),
 	PLT_RX_CALIBRATION_COMPLETE_EVENT_ID	 = BIT(25),
 	DBG_EVENT_ID				 = BIT(26),
@@ -119,7 +122,11 @@
 
 	/* AP FW only */
 	u8 hlid_removed;
+
+	/* a bitmap of hlids for stations that have been inactive too long */
 	__le16 sta_aging_status;
+
+	/* a bitmap of hlids for stations which didn't respond to TX */
 	__le16 sta_tx_retry_exceeded;
 
 	/*
@@ -143,4 +150,7 @@
 int wl1271_event_handle(struct wl1271 *wl, u8 mbox);
 void wl1271_pspoll_work(struct work_struct *work);
 
+/* Functions from main.c */
+bool wl1271_is_active_sta(struct wl1271 *wl, u8 hlid);
+
 #endif