qcacmn: Add wrappers to abtsract OS API's

Add wrapper API's to abstract various OS API's
related to network-device.

Change-Id: I0c8bc9091d32965a90025b9e7738ab6cfdc39d14

qdf/inc/qdf_net_if.h

@@ -41,12 +41,46 @@ struct qdf_net_if;
  */
 QDF_STATUS
 qdf_net_if_create_dummy_if(struct qdf_net_if *nif);
+
+/**
+ * qdf_net_if_get_dev_by_name() - Find a network device by its name
+ * @nif_name: network device name
+ *
+ * This function retrieves the network device by its name
+ *
+ * Return: qdf network device
+ */
+struct qdf_net_if *
+qdf_net_if_get_dev_by_name(char *nif_name);
+
+/**
+ * qdf_net_if_release_dev() - Release reference to network device
+ * @nif: network device
+ *
+ * This function releases reference to the network device
+ *
+ * Return: QDF_STATUS_SUCCESS on success
+ */
+QDF_STATUS
+qdf_net_if_release_dev(struct qdf_net_if *nif);
 #else
 static inline QDF_STATUS
 qdf_net_if_create_dummy_if(struct qdf_net_if *nif)
 {
 	return __qdf_net_if_create_dummy_if(nif);
 }
+
+static inline struct qdf_net_if *
+qdf_net_if_get_dev_by_name(char *nif_name)
+{
+	return __qdf_net_if_get_dev_by_name(nif_name);
+}
+
+static inline QDF_STATUS
+qdf_net_if_release_dev(struct qdf_net_if *nif)
+{
+	return __qdf_net_if_release_dev(nif);
+}
 #endif
 
 /**