qcacmn: Validate number of wds entries deleted during unmap

Validate number of wds entries deleted during peer unmap
handling with the number which firmware has sent in
peer unmap message, which indicates the number of
wds ast entries deleted by firmware after peer delete.

Change-Id: I09e1c41bab19cd023e7a83baf1e90d51aab4229e
CRs-fixed: 2667445

dp/wifi3.0/dp_peer.c

@@ -1244,11 +1244,38 @@ static uint32_t dp_peer_ast_free_wds_entries(struct dp_soc *soc,
 
 	return num_ast;
 }
-#else
-static uint32_t dp_peer_ast_free_wds_entries(struct dp_soc *soc,
-					     struct dp_peer *peer)
+/**
+ * dp_peer_clean_wds_entries() - Clean wds ast entries and compare
+ * @soc: soc handle
+ * @peer: peer handle
+ * @free_wds_count - number of wds entries freed by FW with peer delete
+ *
+ * Free all the wds ast entries associated with peer and compare with
+ * the value received from firmware
+ *
+ * Return: Number of wds ast entries freed
+ */
+static void
+dp_peer_clean_wds_entries(struct dp_soc *soc, struct dp_peer *peer,
+			  uint32_t free_wds_count)
+{
+	uint32_t wds_deleted = 0;
+
+	wds_deleted = dp_peer_ast_free_wds_entries(soc, peer);
+	if ((DP_PEER_WDS_COUNT_INVALID != free_wds_count) &&
+	    (free_wds_count != wds_deleted)) {
+		DP_STATS_INC(soc, ast.ast_mismatch, 1);
+		dp_alert("For peer %pK (mac: %pM)number of wds entries deleted by fw = %d during peer delete is not same as the numbers deleted by host = %d",
+			 peer, peer->mac_addr.raw, free_wds_count,
+			 wds_deleted);
+	}
+}
+
+#else
+static void
+dp_peer_clean_wds_entries(struct dp_soc *soc, struct dp_peer *peer,
+			  uint32_t free_wds_count)
 {
-	return 0;
 }
 #endif
 
@@ -1711,13 +1738,14 @@ dp_rx_peer_map_handler(struct dp_soc *soc, uint16_t peer_id,
  * @vdev_id - vdev ID
  * @mac_addr - mac address of the peer or wds entry
  * @is_wds - flag to indicate peer map event for WDS ast entry
+ * @free_wds_count - number of wds entries freed by FW with peer delete
  *
  * Return: none
  */
 void
 dp_rx_peer_unmap_handler(struct dp_soc *soc, uint16_t peer_id,
 			 uint8_t vdev_id, uint8_t *mac_addr,
-			 uint8_t is_wds)
+			 uint8_t is_wds, uint32_t free_wds_count)
 {
 	struct dp_peer *peer;
 	uint8_t i;
@@ -1747,7 +1775,7 @@ dp_rx_peer_unmap_handler(struct dp_soc *soc, uint16_t peer_id,
 
 		return;
 	} else {
-		dp_peer_ast_free_wds_entries(soc, peer);
+		dp_peer_clean_wds_entries(soc, peer, free_wds_count);
 	}
 
 	dp_info("peer_unmap_event (soc:%pK) peer_id %d peer %pK",