177 lines
5.2 KiB
C
177 lines
5.2 KiB
C
/*
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* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The OpenAirInterface Software Alliance licenses this file to You under
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* the OAI Public License, Version 1.0 (the "License"); you may not use this file
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* except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.openairinterface.org/?page_id=698
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*-------------------------------------------------------------------------------
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* For more information about the OpenAirInterface (OAI) Software Alliance:
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* contact@openairinterface.org
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*/
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/*! \file common_lib.c
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* \brief common APIs for different RF frontend device
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* \author HongliangXU, Navid Nikaein
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* \date 2015
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* \version 0.2
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* \company Eurecom
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* \maintainer: navid.nikaein@eurecom.fr
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* \note
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* \warning
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*/
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#include <stdio.h>
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#include <strings.h>
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#include <dlfcn.h>
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#include <errno.h>
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#include <string.h>
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#include "common_lib.h"
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int set_device(openair0_device *device) {
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switch (device->type) {
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case EXMIMO_DEV:
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printf("[%s] has loaded EXPRESS MIMO device.\n",((device->host_type == RAU_HOST) ? "RAU": "RRU"));
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break;
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case USRP_B200_DEV:
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printf("[%s] has loaded USRP B200 device.\n",((device->host_type == RAU_HOST) ? "RAU": "RRU"));
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break;
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case USRP_X300_DEV:
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printf("[%s] has loaded USRP X300 device.\n",((device->host_type == RAU_HOST) ? "RAU": "RRU"));
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break;
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case BLADERF_DEV:
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printf("[%s] has loaded BLADERF device.\n",((device->host_type == RAU_HOST) ? "RAU": "RRU"));
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break;
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case LMSSDR_DEV:
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printf("[%s] has loaded LMSSDR device.\n",((device->host_type == RAU_HOST) ? "RAU": "RRU"));
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break;
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case NONE_DEV:
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printf("[%s] has not loaded a HW device.\n",((device->host_type == RAU_HOST) ? "RAU": "RRU"));
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break;
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default:
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printf("[%s] invalid HW device.\n",((device->host_type == RAU_HOST) ? "RAU": "RRU"));
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return -1;
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}
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return 0;
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}
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int set_transport(openair0_device *device) {
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switch (device->transp_type) {
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case ETHERNET_TP:
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printf("[%s] has loaded ETHERNET trasport protocol.\n",((device->host_type == RAU_HOST) ? "RAU": "RRU"));
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return 0;
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break;
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case NONE_TP:
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printf("[%s] has not loaded a transport protocol.\n",((device->host_type == RAU_HOST) ? "RAU": "RRU"));
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return 0;
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break;
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default:
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printf("[%s] invalid transport protocol.\n",((device->host_type == RAU_HOST) ? "RAU": "RRU"));
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return -1;
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break;
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}
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}
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/* look for the interface library and load it */
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int load_lib(openair0_device *device, openair0_config_t *openair0_cfg, eth_params_t * cfg, uint8_t flag) {
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void *lib_handle;
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oai_device_initfunc_t dp ;
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oai_transport_initfunc_t tp ;
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int ret=0;
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if (flag == RAU_LOCAL_RADIO_HEAD) {
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lib_handle = dlopen(OAI_RF_LIBNAME, RTLD_LAZY);
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if (!lib_handle) {
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fprintf(stderr,"Unable to locate %s: HW device set to NONE_DEV.\n", OAI_RF_LIBNAME);
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fprintf(stderr,"%s\n",dlerror());
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return -1;
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}
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dp = dlsym(lib_handle,"device_init");
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if (dp != NULL ) {
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ret = dp(device,openair0_cfg);
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if (ret<0) {
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fprintf(stderr, "%s %d:oai device intialization failed %s\n", __FILE__, __LINE__, dlerror());
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}
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} else {
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fprintf(stderr, "%s %d:oai device intializing function not found %s\n", __FILE__, __LINE__, dlerror());
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return -1;
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}
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} else {
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lib_handle = dlopen(OAI_TP_LIBNAME, RTLD_LAZY);
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if (!lib_handle) {
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printf( "Unable to locate %s: transport protocol set to NONE_TP.\n", OAI_TP_LIBNAME);
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printf( "%s\n",dlerror());
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return -1;
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}
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tp = dlsym(lib_handle,"transport_init");
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if (tp != NULL ) {
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tp(device,openair0_cfg,cfg);
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} else {
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fprintf(stderr, "%s %d:oai device intializing function not found %s\n", __FILE__, __LINE__, dlerror());
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return -1;
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}
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}
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return ret;
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}
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int openair0_device_load(openair0_device *device, openair0_config_t *openair0_cfg) {
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int rc=0;
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//ToDo: EXMIMO harmonization is not complete. That is the reason for this ifdef
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#ifdef EXMIMO
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int device_init(openair0_device *device, openair0_config_t *openair0_cfg);
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rc = device_init(device, openair0_cfg);
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#else
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rc=load_lib(device, openair0_cfg, NULL,RAU_LOCAL_RADIO_HEAD );
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if ( rc >= 0) {
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if ( set_device(device) < 0) {
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fprintf(stderr, "%s %d:Unsupported radio head\n",__FILE__, __LINE__);
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return -1;
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}
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}
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#endif
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return rc;
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}
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int openair0_transport_load(openair0_device *device, openair0_config_t *openair0_cfg, eth_params_t * eth_params) {
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int rc;
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rc=load_lib(device, openair0_cfg, eth_params, RAU_REMOTE_RADIO_HEAD);
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if ( rc >= 0) {
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if ( set_transport(device) < 0) {
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fprintf(stderr, "%s %d:Unsupported transport protocol\n",__FILE__, __LINE__);
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return -1;
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}
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}
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return rc;
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}
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