/******************************************************************************* 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 ; if (flag == BBU_LOCAL_RADIO_HEAD) { lib_handle = dlopen(OAI_RF_LIBNAME, RTLD_LAZY); if (!lib_handle) { printf( "Unable to locate %s: HW device set to NONE_DEV.\n", OAI_RF_LIBNAME); return 0; } dp = dlsym(lib_handle,"device_init"); if (dp != NULL ) { dp(device,openair0_cfg); } 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); return 0; } 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 0; } int openair0_device_load(openair0_device *device, openair0_config_t *openair0_cfg) { int rc; //ToDo: EXMIMO harmonization is not complete. That is the reason for this ifdef #ifdef EXMIMO 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 0; } 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 0; }