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/*******************************************************************************
OpenAirInterface
Copyright(c) 1999 - 2014 Eurecom
OpenAirInterface is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenAirInterface is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OpenAirInterface.The full GNU General Public License is
included in this distribution in the file called "COPYING". If not,
see <http://www.gnu.org/licenses/>.
Contact Information
OpenAirInterface Admin: openair_admin@eurecom.fr
OpenAirInterface Tech : openair_tech@eurecom.fr
OpenAirInterface Dev : openair4g-devel@lists.eurecom.fr
Address : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
*******************************************************************************/
/*! \file common_lib.c
* \brief common APIs for different RF frontend device
* \author HongliangXU, Navid Nikaein
* \date 2015
* \version 0.2
* \company Eurecom
* \maintainer: navid.nikaein@eurecom.fr
* \note
* \warning
*/
#include <stdio.h>
#include <strings.h>
#include <dlfcn.h>
#include <errno.h>
#include <string.h>
#include "common_lib.h"
int set_device(openair0_device *device) {
switch (device->type) {
case EXMIMO_DEV:
printf("[%s] has loaded EXPRESS MIMO device.\n",((device->host_type == BBU_HOST) ? "BBU": "RRH"));
break;
case USRP_B200_DEV:
printf("[%s] has loaded USRP B200 device.\n",((device->host_type == BBU_HOST) ? "BBU": "RRH"));
break;
case USRP_X300_DEV:
printf("[%s] has loaded USRP X300 device.\n",((device->host_type == BBU_HOST) ? "BBU": "RRH"));
break;
case BLADERF_DEV:
printf("[%s] has loaded BLADERF device.\n",((device->host_type == BBU_HOST) ? "BBU": "RRH"));
break;
case LMSSDR_DEV:
printf("[%s] has loaded LMSSDR device.\n",((device->host_type == BBU_HOST) ? "BBU": "RRH"));
break;
case NONE_DEV:
printf("[%s] has not loaded a HW device.\n",((device->host_type == BBU_HOST) ? "BBU": "RRH"));
break;
default:
printf("[%s] invalid HW device.\n",((device->host_type == BBU_HOST) ? "BBU": "RRH"));
return -1;
}
return 0;
}
int set_transport(openair0_device *device) {
switch (device->transp_type) {
case ETHERNET_TP:
printf("[%s] has loaded ETHERNET trasport protocol.\n",((device->host_type == BBU_HOST) ? "BBU": "RRH"));
return 0;
break;
case NONE_TP:
printf("[%s] has not loaded a transport protocol.\n",((device->host_type == BBU_HOST) ? "BBU": "RRH"));
return 0;
break;
default:
printf("[%s] invalid transport protocol.\n",((device->host_type == BBU_HOST) ? "BBU": "RRH"));
return -1;
break;
}
}
/* look for the interface library and load it */
int load_lib(openair0_device *device, openair0_config_t *openair0_cfg, eth_params_t * cfg, uint8_t flag) {
void *lib_handle;
oai_device_initfunc_t dp ;
oai_transport_initfunc_t tp ;
int ret=0;
if (flag == BBU_LOCAL_RADIO_HEAD) {
lib_handle = dlopen(OAI_RF_LIBNAME, RTLD_LAZY);
if (!lib_handle) {
fprintf(stderr,"Unable to locate %s: HW device set to NONE_DEV.\n", OAI_RF_LIBNAME);
fprintf(stderr,"%s\n",dlerror());
return -1;
}
dp = dlsym(lib_handle,"device_init");
if (dp != NULL ) {
ret = dp(device,openair0_cfg);
if (ret<0) {
fprintf(stderr, "%s %d:oai device intialization failed %s\n", __FILE__, __LINE__, dlerror());
}
} else {
fprintf(stderr, "%s %d:oai device intializing function not found %s\n", __FILE__, __LINE__, dlerror());
return -1;
}
} else {
lib_handle = dlopen(OAI_TP_LIBNAME, RTLD_LAZY);
if (!lib_handle) {
printf( "Unable to locate %s: transport protocol set to NONE_TP.\n", OAI_TP_LIBNAME);
printf( "%s\n",dlerror());
return -1;
}
tp = dlsym(lib_handle,"transport_init");
if (tp != NULL ) {
tp(device,openair0_cfg,cfg);
} else {
fprintf(stderr, "%s %d:oai device intializing function not found %s\n", __FILE__, __LINE__, dlerror());
return -1;
}
}
return ret;
}
int openair0_device_load(openair0_device *device, openair0_config_t *openair0_cfg) {
int rc=0;
//ToDo: EXMIMO harmonization is not complete. That is the reason for this ifdef
#ifdef EXMIMO
int device_init(openair0_device *device, openair0_config_t *openair0_cfg);
rc = device_init(device, openair0_cfg);
#else
rc=load_lib(device, openair0_cfg, NULL,BBU_LOCAL_RADIO_HEAD );
if ( rc >= 0) {
if ( set_device(device) < 0) {
fprintf(stderr, "%s %d:Unsupported radio head\n",__FILE__, __LINE__);
return -1;
}
}
#endif
return rc;
}
int openair0_transport_load(openair0_device *device, openair0_config_t *openair0_cfg, eth_params_t * eth_params) {
int rc;
rc=load_lib(device, openair0_cfg, eth_params, BBU_REMOTE_RADIO_HEAD);
if ( rc >= 0) {
if ( set_transport(device) < 0) {
fprintf(stderr, "%s %d:Unsupported transport protocol\n",__FILE__, __LINE__);
return -1;
}
}
return rc;
}