qcacmn: Refcnt debug support

Add support to display string instead of dbg id incase
of pending references

Change-Id: I96da6f944557692f9bd7bd75f22d029077b69c32
CRs-Fixed: 2022458

umac/cmn_services/obj_mgr/inc/wlan_objmgr_cmn.h

@@ -177,6 +177,9 @@ typedef void (*wlan_objmgr_peer_status_handler)(
  * @WLAN_REGULATORY_NB_ID:      NB regulatory operations
  * @WLAN_REF_ID_MAX:            Max id used to generate ref count tracking array
  */
+ /* New value added to the enum must also be reflected in function
+  * string_from_dbgid()
+  */
 typedef enum {
 	WLAN_OBJMGR_ID        = 0,
 	WLAN_MLME_SB_ID       = 1,
@@ -204,6 +207,42 @@ typedef enum {
 	WLAN_REF_ID_MAX,
 } wlan_objmgr_ref_dbgid;
 
+/**
+ * string_from_dbgid() - Convert Refcnt dbgid to respective string
+ * @id - Reference count debug id
+ *
+ * Debug support function to convert refcnt dbgid to string.
+ * Please note to add new string in the array at index equal to
+ * its enum value in wlan_objmgr_ref_dbgid.
+ */
+static inline char *string_from_dbgid(wlan_objmgr_ref_dbgid id)
+{
+    static const char *strings[] = { "WLAN_OBJMGR_ID",
+					"WLAN_MLME_SB_ID",
+					"WLAN_MLME_NB_ID",
+					"WLAN_MGMT_SB_ID",
+					"WLAN_MGMT_NB_ID",
+					"WLAN_HDD_ID_OBJ_MGR",
+					"WLAN_OSIF_ID",
+					"WLAN_LEGACY_MAC_ID",
+					"WLAN_LEGACY_WMA_ID",
+					"WLAN_SERIALIZATION_ID",
+					"WLAN_PMO_ID",
+					"WLAN_LEGACY_SME_ID",
+					"WLAN_SCAN_ID",
+					"WLAN_WIFI_POS_ID",
+					"WLAN_DFS_ID",
+					"WLAN_P2P_ID",
+					"WLAN_TDLS_SB_ID",
+					"WLAN_TDLS_NB_ID",
+					"WLAN_ATF_ID",
+					"WLAN_CRYPTO_ID",
+					"WLAN_NAN_ID",
+					"WLAN_REF_ID_MAX" };
+
+    return (char *)strings[id];
+}
+
 #ifdef WLAN_OBJMGR_DEBUG
 #define WLAN_OBJMGR_BUG(val) QDF_BUG(val)
 #else

umac/cmn_services/obj_mgr/src/wlan_objmgr_global_obj.c

@@ -785,7 +785,7 @@ void wlan_objmgr_print_ref_ids(qdf_atomic_t *id)
 	for (i = 0; i < WLAN_REF_ID_MAX; i++) {
 		pending_ref = qdf_atomic_read(&id[i]);
 		if (pending_ref)
-			qdf_print(" %d -- %d\n", i, pending_ref);
+			qdf_print(" %s -- %d\n", string_from_dbgid(i), pending_ref);
 	}
 
 	return;