Merge remote-tracking branch 'origin/oru-rebased' into integration_2026_w05 (!3848)
Initial implementation of O-RU for 7.2 emulator Added new executable nr-oru which acts as a 7.2 O-RU.
This commit is contained in:
Jaroslava Fiedlerova
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/*
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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 1.1 (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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#include <sched.h>
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#include "assertions.h"
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#include "PHY/types.h"
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#include "PHY/defs_RU.h"
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#include "common/oai_version.h"
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#include "common/config/config_userapi.h"
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#include "common/utils/load_module_shlib.h"
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#include "common/ran_context.h"
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#include "radio/COMMON/common_lib.h"
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#include "radio/ETHERNET/if_defs.h"
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#include "PHY/phy_vars.h"
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#include "PHY/phy_extern.h"
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#include "PHY/TOOLS/phy_scope_interface.h"
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#include "common/utils/LOG/log.h"
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#include "common/utils/LOG/vcd_signal_dumper.h"
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// #include "PHY/INIT/phy_init.h"
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#include "openair2/ENB_APP/enb_paramdef.h"
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#include "system.h"
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#include "nfapi/oai_integration/vendor_ext.h"
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#include <executables/softmodem-common.h>
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#include <executables/thread-common.h>
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pthread_cond_t sync_cond;
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pthread_mutex_t sync_mutex;
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int sync_var = -1; //!< protected by mutex \ref sync_mutex.
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int config_sync_var = -1;
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int oai_exit = 0;
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int sf_ahead = 4;
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int emulate_rf = 0;
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RAN_CONTEXT_t RC;
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extern void kill_NR_RU_proc(int inst);
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extern void set_function_spec_param(RU_t *ru);
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extern void start_NR_RU();
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extern void init_NR_RU(configmodule_interface_t *cfg, char *);
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int32_t uplink_frequency_offset[MAX_NUM_CCs][4];
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void nfapi_setmode(nfapi_mode_t nfapi_mode)
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{
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return;
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}
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void exit_function(const char *file, const char *function, const int line, const char *s, const int assert)
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{
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if (s != NULL) {
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printf("%s:%d %s() Exiting OAI softmodem: %s\n", file, line, function, s);
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}
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close_log_mem();
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oai_exit = 1;
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RU_t *ru = RC.ru[0];
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if (ru->rfdevice.trx_end_func) {
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ru->rfdevice.trx_end_func(&ru->rfdevice);
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ru->rfdevice.trx_end_func = NULL;
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}
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if (ru->ifdevice.trx_end_func) {
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ru->ifdevice.trx_end_func(&ru->ifdevice);
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ru->ifdevice.trx_end_func = NULL;
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}
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pthread_mutex_destroy(ru->ru_mutex);
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pthread_cond_destroy(ru->ru_cond);
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if (assert) {
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abort();
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} else {
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sleep(1); // allow lte-softmodem threads to exit first
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exit(EXIT_SUCCESS);
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}
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}
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static void get_options(configmodule_interface_t *cfg)
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{
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CONFIG_SETRTFLAG(CONFIG_NOEXITONHELP);
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get_common_options(cfg);
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CONFIG_CLEARRTFLAG(CONFIG_NOEXITONHELP);
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// NRCConfig();
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}
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nfapi_mode_t nfapi_getmode(void)
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{
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return (NFAPI_MODE_PNF);
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}
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void oai_nfapi_rach_ind(nfapi_rach_indication_t *rach_ind)
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{
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AssertFatal(1 == 0, "This is bad ... please check why we get here\n");
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}
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void wait_eNBs(void)
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{
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return;
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}
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void wait_gNBs(void)
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{
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return;
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}
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struct timespec timespec_add(struct timespec, struct timespec)
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{
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struct timespec t = {0};
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return t;
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};
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struct timespec timespec_sub(struct timespec, struct timespec)
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{
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struct timespec t = {0};
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return t;
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};
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void perform_symbol_rotation(NR_DL_FRAME_PARMS *fp, double f0, c16_t *symbol_rotation)
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{
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return;
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}
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void init_timeshift_rotation(NR_DL_FRAME_PARMS *fp)
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{
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return;
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};
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int beam_index_allocation(bool das,
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int fapi_beam_index,
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NR_gNB_COMMON *common_vars,
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int slot,
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int symbols_per_slot,
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int bitmap_symbols)
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{
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return 0;
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}
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void nr_fill_du(uint16_t N_ZC, const uint16_t *prach_root_sequence_map, uint16_t nr_du[NR_PRACH_SEQ_LEN_L - 1])
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{
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return;
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};
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uint16_t nr_du[838];
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uint64_t downlink_frequency[MAX_NUM_CCs][4];
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configmodule_interface_t *uniqCfg = NULL;
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THREAD_STRUCT thread_struct;
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int main(int argc, char **argv)
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{
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memset(&RC, 0, sizeof(RC));
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if ((uniqCfg = load_configmodule(argc, argv, 0)) == NULL) {
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exit_fun("[SOFTMODEM] Error, configuration module init failed\n");
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}
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logInit();
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LOG_W(PHY, "%s is experimental software and at this point is not an implementation of a 7.2 O-RAN RU\n", argv[0]);
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printf("Reading in command-line options\n");
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get_options(uniqCfg);
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if (CONFIG_ISFLAGSET(CONFIG_ABORT)) {
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fprintf(stderr, "Getting configuration failed\n");
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exit(-1);
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}
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#if T_TRACER
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T_Config_Init();
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#endif
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printf("configuring for RRU\n");
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// strdup to put the sring in the core file for post mortem identification
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LOG_I(HW, "Version: %s\n", strdup(OAI_PACKAGE_VERSION));
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/* Read configuration */
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printf("About to Init RU threads\n");
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lock_memory_to_ram();
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RC.nb_RU = 1;
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RC.ru = malloc(sizeof(RC.ru));
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init_NR_RU(config_get_if(), NULL);
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RU_t *ru = RC.ru[0];
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while (oai_exit == 0)
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sleep(1);
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// stop threads
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kill_NR_RU_proc(0);
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end_configmodule(uniqCfg);
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if (ru->rfdevice.trx_end_func) {
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ru->rfdevice.trx_end_func(&ru->rfdevice);
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ru->rfdevice.trx_end_func = NULL;
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}
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if (ru->ifdevice.trx_end_func) {
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ru->ifdevice.trx_end_func(&ru->ifdevice);
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ru->ifdevice.trx_end_func = NULL;
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}
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logClean();
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printf("Bye.\n");
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return 0;
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}
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+7
-2
@@ -1555,8 +1555,13 @@ void init_NR_RU(configmodule_interface_t *cfg, char *rf_config_file)
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}
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}
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PHY_VARS_gNB *gNB_RC = RC.gNB[0];
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PHY_VARS_gNB *gNB0 = ru->gNB_list[0];
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PHY_VARS_gNB *gNB_RC = NULL;
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PHY_VARS_gNB *gNB0 = NULL;
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if (RC.nb_nr_L1_inst > 0) {
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gNB_RC = RC.gNB[0];
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gNB0 = ru->gNB_list[0];
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}
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LOG_D(PHY, "RU FUnction:%d ru->if_south:%d\n", ru->function, ru->if_south);
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if (gNB0) {
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