qcacmn: Add qdf wrapper for hash_for_each_safe

Add qdf wrapper API for hash_for_each_safe which iterates over a
hashtable safe against removal of hash entry

Change-Id: I89d8b6520a4bee583d44a771b4359ed287d0c2fa
CRs-Fixed: 2528484

qdf/inc/qdf_hashtable.h

@@ -96,6 +96,18 @@
 #define qdf_ht_for_each(table, i, cursor, entry_field) \
 	__qdf_ht_for_each(table, i, cursor, entry_field)
 
+/**
+ * qdf_ht_for_each_safe() - iterate all entries in @table safe against removal
+ * of hash entry.
+ * @table: a non-pointer qdf_ht instance to iterate
+ * @i: int type cursor populated with the bucket index
+ * @tmp: a &struct used for temporary storage
+ * @cursor: container struct pointer populated with each iteration
+ * @entry_field: name of the entry field in the entry container struct
+ */
+#define qdf_ht_for_each_safe(table, i, tmp, cursor, entry_field) \
+	__qdf_ht_for_each_safe(table, i, tmp, cursor, entry_field)
+
 /**
  * qdf_ht_for_each_in_bucket() - iterate entries in the bucket for @key
  * @table: a non-pointer qdf_ht instance to iterate

qdf/linux/src/i_qdf_hashtable.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -47,4 +47,7 @@ do { \
 		break; \
 } while (false)
 
+#define __qdf_ht_for_each_safe(table, i, tmp, cursor, entry_field) \
+	hash_for_each_safe(table, i, tmp, cursor, entry_field)
+
 #endif /* __I_QDF_HASHTABLE_H */