qcacmn: Add qdf bitmap AND and EMPTY APIs

Add qdf API to check if a given bitmap is empty and API to compute
bitwise AND operation of two given bitmaps.
1. qdf_bitmap_and
2. qdf_bitmap_empty

Change-Id: Ibc26e0f515c3804f1b627e8eaa8bf6f796c40324
CRs-Fixed: 2635330

qdf/inc/qdf_util.h

@@ -194,6 +194,27 @@ typedef __qdf_wait_queue_head_t qdf_wait_queue_head_t;
  */
 #define qdf_find_first_bit(addr, nbits)    __qdf_find_first_bit(addr, nbits)
 
+/**
+ * qdf_bitmap_empty() - Check if bitmap is empty
+ * @addr: Address buffer pointer
+ * @nbits: Number of bits
+ *
+ * Return: True if no bit set, else false
+ */
+#define qdf_bitmap_empty(addr, nbits)    __qdf_bitmap_empty(addr, nbits)
+
+/**
+ * qdf_bitmap_and() - AND operation on the bitmap
+ * @dst: Destination buffer pointer
+ * @src1: First source buffer pointer
+ * @src2: Second source buffer pointer
+ * @nbits: Number of bits
+ *
+ * Return: Bitwise and of src1 and src2 in dst
+ */
+#define qdf_bitmap_and(dst, src1, src2, nbits) \
+		__qdf_bitmap_and(dst, src1, src2, nbits)
+
 #define qdf_wait_queue_interruptible(wait_queue, condition) \
 		__qdf_wait_queue_interruptible(wait_queue, condition)
 

qdf/linux/src/i_qdf_util.h

@@ -113,6 +113,18 @@ static inline unsigned long __qdf_find_first_bit(unsigned long *addr,
 	return find_first_bit(addr, nbits);
 }
 
+static inline bool __qdf_bitmap_empty(unsigned long *addr,
+				      unsigned long nbits)
+{
+	return bitmap_empty(addr, nbits);
+}
+
+static inline int __qdf_bitmap_and(unsigned long *dst, unsigned long *src1,
+				   unsigned long *src2, unsigned long nbits)
+{
+	return bitmap_and(dst, src1, src2, nbits);
+}
+
 /**
  * __qdf_set_macaddr_broadcast() - set a QDF MacAddress to the 'broadcast'
  * @mac_addr: pointer to the qdf MacAddress to set to broadcast