Added an RX_IND handle in the gNB/VNF

Also updated the NR nFAPI for properly packing
and unpacking the ra_indication. Lastly, added
the functionality for calling the callback RX_ind
functions in the VNF. The RX_IND PDU is recevied
as NULL in the gNB so need to investigate how to
properly pack and unpack the *pdu in the RX_ind.

nfapi/open-nFAPI/vnf/public_inc/nfapi_vnf_interface.h

@@ -746,6 +746,20 @@ typedef struct nfapi_vnf_p7_config
 	 */
 	int (*rx_indication)(struct nfapi_vnf_p7_config* config, nfapi_rx_indication_t* ind);
 
+        /*! A callback for the RACH.indication
+     *  \param config A pointer to the vnf p7 configuration
+	 *  \param ind A data structure for the decoded nrRACH.indication This will
+	 *              have been allocated on the stack.
+	 *  \return not currently used.
+	 *
+	 *  The ind may contain pointers to dyanmically allocated sub structures
+	 *  such as the pdu. The dyanmically allocated structure will
+	 *  be deallocated on return. If the client wishes to 'keep' the structures
+	 *  then the substructure pointers should be set to 0 and then the client should
+	 *  use the codec_config.deallocate function to release it at a future point
+	 */
+	int (*nr_rx_indication)(struct nfapi_vnf_p7_config* config, nfapi_nr_rx_data_indication_t* ind);
+
 	/*! A callback for the RACH.indication
      *  \param config A pointer to the vnf p7 configuration
 	 *  \param ind A data structure for the decoded RACH.indication This will

nfapi/open-nFAPI/vnf/src/vnf_p7.c

@@ -1478,7 +1478,14 @@ void vnf_handle_nr_rx_data_indication(void *pRecvMsg, int recvMsgLen, vnf_p7_t*
 		{
 			NFAPI_TRACE(NFAPI_TRACE_ERROR, "%s: Failed to unpack message\n", __FUNCTION__);
 		}
-
+                else
+		{
+		        NFAPI_TRACE(NFAPI_TRACE_INFO, "%s: Handling RX Indication\n", __FUNCTION__);
+			if(vnf_p7->_public.nr_rx_indication)
+			{
+				(vnf_p7->_public.nr_rx_indication)(&vnf_p7->_public, &ind);
+			}
+		}
 	}
 }