135 lines
4.5 KiB
C
135 lines
4.5 KiB
C
/*
|
|
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership.
|
|
* The OpenAirInterface Software Alliance licenses this file to You under
|
|
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
|
|
* except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.openairinterface.org/?page_id=698
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*-------------------------------------------------------------------------------
|
|
* For more information about the OpenAirInterface (OAI) Software Alliance:
|
|
* contact@openairinterface.org
|
|
*/
|
|
|
|
/*! \file openair1/PHY/CODING/coding_nr_load.c
|
|
* \brief: load library implementing coding/decoding algorithms
|
|
* \author Francois TABURET
|
|
* \date 2020
|
|
* \version 0.1
|
|
* \company NOKIA BellLabs France
|
|
* \email: francois.taburet@nokia-bell-labs.com
|
|
* \note
|
|
* \warning
|
|
*/
|
|
#define _GNU_SOURCE
|
|
#include <sys/types.h>
|
|
#include <stdlib.h>
|
|
#include <malloc.h>
|
|
#include "assertions.h"
|
|
#include "common/utils/LOG/log.h"
|
|
#define LDPC_LOADER
|
|
#include "PHY/CODING/nrLDPC_extern.h"
|
|
#include "common/config/config_userapi.h"
|
|
#include "common/utils/load_module_shlib.h"
|
|
|
|
|
|
/* function description array, to be used when loading the encoding/decoding shared lib */
|
|
static loader_shlibfunc_t shlib_fdesc[3];
|
|
|
|
/* arguments used when called from phy simulators exec's which do not use the config module */
|
|
/* arg is used to initialize the config module so that the loader works as expected */
|
|
char *arg[64]={"ldpctest",NULL};
|
|
|
|
int load_nrLDPClib(char *version) {
|
|
char *ptr = (char*)config_get_if();
|
|
char libname[64]="ldpc";
|
|
|
|
if ( ptr==NULL ) {// phy simulators, config module possibly not loaded
|
|
load_configmodule(1,arg,CONFIG_ENABLECMDLINEONLY) ;
|
|
logInit();
|
|
}
|
|
shlib_fdesc[0].fname = "nrLDPC_decod";
|
|
shlib_fdesc[1].fname = "nrLDPC_encod";
|
|
shlib_fdesc[2].fname = "nrLDPC_initcall";
|
|
int ret;
|
|
if (version)
|
|
ret=load_module_version_shlib(libname,version,shlib_fdesc,sizeof(shlib_fdesc)/sizeof(loader_shlibfunc_t),NULL);
|
|
else
|
|
ret=load_module_shlib(libname,shlib_fdesc,sizeof(shlib_fdesc)/sizeof(loader_shlibfunc_t),NULL);
|
|
AssertFatal( (ret >= 0),"Error loading ldpc decoder");
|
|
nrLDPC_decoder = (nrLDPC_decoderfunc_t)shlib_fdesc[0].fptr;
|
|
nrLDPC_encoder = (nrLDPC_encoderfunc_t)shlib_fdesc[1].fptr;
|
|
nrLDPC_initcall = (nrLDPC_initcallfunc_t)shlib_fdesc[2].fptr;
|
|
return 0;
|
|
}
|
|
|
|
int load_nrLDPClib_offload(void) {
|
|
loader_shlibfunc_t shlib_decoffload_fdesc;
|
|
|
|
shlib_decoffload_fdesc.fname = "nrLDPC_decod_offload";
|
|
int ret=load_module_shlib("ldpc_offload",&shlib_decoffload_fdesc,1,NULL);
|
|
AssertFatal( (ret >= 0),"Error loading ldpc decoder offload");
|
|
nrLDPC_decoder_offload = (nrLDPC_decoffloadfunc_t)shlib_decoffload_fdesc.fptr;
|
|
|
|
t_nrLDPC_dec_params decParams;
|
|
t_nrLDPC_dec_params* p_decParams = &decParams;
|
|
int8_t l[68*384];
|
|
int8_t llrProcBuf[22*384];
|
|
|
|
p_decParams->Z = 384;
|
|
p_decParams->BG = 1;
|
|
|
|
AssertFatal(nrLDPC_decoder_offload(p_decParams,0, 0,
|
|
1,
|
|
0,
|
|
0,
|
|
25344,
|
|
8,
|
|
l,
|
|
llrProcBuf, 0)>=0,
|
|
"error loading LDPC decoder offload library\n");
|
|
|
|
|
|
return 0;
|
|
}
|
|
|
|
int free_nrLDPClib_offload(void) {
|
|
t_nrLDPC_dec_params decParams;
|
|
t_nrLDPC_dec_params* p_decParams = &decParams;
|
|
int8_t l[68*384];
|
|
int8_t llrProcBuf[22*384];
|
|
|
|
p_decParams->Z = 384;
|
|
p_decParams->BG = 1;
|
|
|
|
nrLDPC_decoder_offload(p_decParams,0,0,
|
|
1,
|
|
0,
|
|
0,
|
|
25344,
|
|
8,
|
|
l,
|
|
llrProcBuf, 2);
|
|
return 0;
|
|
}
|
|
|
|
int load_nrLDPClib_ref(char *libversion, nrLDPC_encoderfunc_t * nrLDPC_encoder_ptr) {
|
|
loader_shlibfunc_t shlib_encoder_fdesc;
|
|
|
|
shlib_encoder_fdesc.fname = "nrLDPC_encod";
|
|
int ret=load_module_version_shlib("ldpc",libversion,&shlib_encoder_fdesc,1,NULL);
|
|
AssertFatal( (ret >= 0),"Error loading ldpc encoder %s\n",(libversion==NULL)?"":libversion);
|
|
*nrLDPC_encoder_ptr = (nrLDPC_encoderfunc_t)shlib_encoder_fdesc.fptr;
|
|
return 0;
|
|
}
|
|
|
|
|