Remove FlexRAN

- Remove any FlexRAN code
- Cleanup config files
- Remove LFDS7, libyaml dependencies
This commit is contained in:
Robert Schmidt
2022-11-30 14:30:18 +01:00
parent 8773e42363
commit 287c182925
378 changed files with 59 additions and 43550 deletions
-1
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@@ -85,7 +85,6 @@ int create_tasks(uint32_t enb_nb) {
if (NODE_IS_DU(type)) {
rc = itti_create_task(TASK_DU_F1, F1AP_DU_task, NULL);
AssertFatal(rc >= 0, "Create task for DU F1AP failed\n");
// DU is now GTP-U instead of protobuf
rc = itti_create_task(TASK_GTPV1_U, gtpv1uTask, NULL);
AssertFatal(rc >= 0, "Create task for GTPV1U failed\n");
}
-68
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@@ -86,13 +86,6 @@ char *split73_config;
int split73;
AGENT_RRC_xface *agent_rrc_xface[NUM_MAX_ENB]= {0};
AGENT_MAC_xface *agent_mac_xface[NUM_MAX_ENB]= {0};
void flexran_agent_slice_update(mid_t module_idP) {
}
int proto_agent_start(mid_t mod_id, const cudu_params_t *p) {
return 0;
}
void proto_agent_stop(mid_t mod_id) {
}
static void *ru_thread( void *param );
void kill_RU_proc(RU_t *ru) {
@@ -1077,62 +1070,6 @@ void terminate_task(module_id_t mod_id, task_id_t from, task_id_t to) {
itti_send_msg_to_task (to, ENB_MODULE_ID_TO_INSTANCE(mod_id), msg);
}
int stop_L1L2(module_id_t enb_id) {
LOG_W(ENB_APP, "stopping lte-softmodem\n");
/* these tasks need to pick up new configuration */
terminate_task(enb_id, TASK_ENB_APP, TASK_RRC_ENB);
oai_exit = 1;
LOG_I(ENB_APP, "calling kill_RU_proc() for instance %d\n", enb_id);
//kill_RU_proc(RC.ru[enb_id]);
LOG_I(ENB_APP, "calling kill_eNB_proc() for instance %d\n", enb_id);
kill_eNB_proc(enb_id);
oai_exit = 0;
for (int cc_id = 0; cc_id < RC.nb_CC[enb_id]; cc_id++) {
free_transport(RC.eNB[enb_id][cc_id]);
phy_free_lte_eNB(RC.eNB[enb_id][cc_id]);
}
//phy_free_RU(RC.ru[enb_id]);
free_lte_top();
return 0;
}
/*
* Restart the lte-softmodem after it has been soft-stopped with stop_L1L2()
*/
int restart_L1L2(module_id_t enb_id) {
RU_t *ru = NULL; //RC.ru[enb_id];
MessageDef *msg_p = NULL;
LOG_W(ENB_APP, "restarting lte-softmodem\n");
/* block threads */
pthread_mutex_lock(&sync_mutex);
sync_var = -1;
pthread_mutex_unlock(&sync_mutex);
/* copy the changed frame parameters to the RU */
/* TODO this should be done for all RUs associated to this eNB */
memcpy(&ru->frame_parms, &RC.eNB[enb_id][0]->frame_parms, sizeof(LTE_DL_FRAME_PARMS));
/* reset the list of connected UEs in the MAC, since in this process with
* loose all UEs (have to reconnect) */
init_UE_info(&RC.mac[enb_id]->UE_info);
LOG_I(ENB_APP, "attempting to create ITTI tasks\n");
// No more rrc thread, as many race conditions are hidden behind
rrc_enb_init();
itti_mark_task_ready(TASK_RRC_ENB);
/* pass a reconfiguration request which will configure everything down to
* RC.eNB[i][j]->frame_parms, too */
msg_p = itti_alloc_new_message(TASK_ENB_APP, 0, RRC_CONFIGURATION_REQ);
RRC_CONFIGURATION_REQ(msg_p) = RC.rrc[enb_id]->configuration;
itti_send_msg_to_task(TASK_RRC_ENB, ENB_MODULE_ID_TO_INSTANCE(enb_id), msg_p);
init_eNB_afterRU();
printf("Sending sync to all threads\n");
pthread_mutex_lock(&sync_mutex);
sync_var=0;
pthread_cond_broadcast(&sync_cond);
pthread_mutex_unlock(&sync_mutex);
return 0;
}
int main ( int argc, char **argv ) {
//mtrace();
int i;
@@ -1177,8 +1114,6 @@ int main ( int argc, char **argv ) {
// some initialization is necessary and init_ru_vnf do this.
RU_t ru;
/* We need to read RU configuration before FlexRAN starts so it knows what
* splits to report. Actual RU start comes later. */
if ( NFAPI_MODE != NFAPI_MODE_VNF) {
ocpRCconfig_RU(&ru);
LOG_I(PHY,
@@ -1201,9 +1136,6 @@ int main ( int argc, char **argv ) {
if (RC.nb_inst > 0) {
/* Start the agent. If it is turned off in the configuration, it won't start */
for (i = 0; i < RC.nb_inst; i++) {
//flexran_agent_start(i);
}
/* initializes PDCP and sets correct RLC Request/PDCP Indication callbacks
* for monolithic/F1 modes */
-88
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@@ -487,86 +487,6 @@ void terminate_task(task_id_t task_id, module_id_t mod_id) {
//extern void free_transport(PHY_VARS_gNB *);
extern void nr_phy_free_RU(RU_t *);
int stop_L1L2(module_id_t gnb_id) {
LOG_W(GNB_APP, "stopping nr-softmodem\n");
oai_exit = 1;
if (!RC.ru) {
LOG_F(GNB_APP, "no RU configured\n");
return -1;
}
/* stop trx devices, multiple carrier currently not supported by RU */
if (RC.ru[gnb_id]) {
if (RC.ru[gnb_id]->rfdevice.trx_stop_func) {
RC.ru[gnb_id]->rfdevice.trx_stop_func(&RC.ru[gnb_id]->rfdevice);
LOG_I(GNB_APP, "turned off RU rfdevice\n");
} else {
LOG_W(GNB_APP, "can not turn off rfdevice due to missing trx_stop_func callback, proceeding anyway!\n");
}
if (RC.ru[gnb_id]->ifdevice.trx_stop_func) {
RC.ru[gnb_id]->ifdevice.trx_stop_func(&RC.ru[gnb_id]->ifdevice);
LOG_I(GNB_APP, "turned off RU ifdevice\n");
} else {
LOG_W(GNB_APP, "can not turn off ifdevice due to missing trx_stop_func callback, proceeding anyway!\n");
}
} else {
LOG_W(GNB_APP, "no RU found for index %d\n", gnb_id);
return -1;
}
/* these tasks need to pick up new configuration */
terminate_task(TASK_RRC_ENB, gnb_id);
LOG_I(GNB_APP, "calling kill_gNB_proc() for instance %d\n", gnb_id);
kill_gNB_proc(gnb_id);
LOG_I(GNB_APP, "calling kill_NR_RU_proc() for instance %d\n", gnb_id);
kill_NR_RU_proc(gnb_id);
oai_exit = 0;
//free_transport(RC.gNB[gnb_id]);
phy_free_nr_gNB(RC.gNB[gnb_id]);
nr_phy_free_RU(RC.ru[gnb_id]);
free_lte_top();
return 0;
}
/*
* Restart the nr-softmodem after it has been soft-stopped with stop_L1L2()
*/
int restart_L1L2(module_id_t gnb_id) {
RU_t *ru = RC.ru[gnb_id];
MessageDef *msg_p = NULL;
LOG_W(GNB_APP, "restarting nr-softmodem\n");
/* block threads */
sync_var = -1;
RC.gNB[gnb_id]->configured = 0;
RC.ru_mask |= (1 << ru->idx);
set_function_spec_param(RC.ru[gnb_id]);
LOG_I(GNB_APP, "attempting to create ITTI tasks\n");
// No more rrc thread, as many race conditions are hidden behind
rrc_enb_init();
itti_mark_task_ready(TASK_RRC_ENB);
/* pass a reconfiguration request which will configure everything down to
* RC.eNB[i][j]->frame_parms, too */
msg_p = itti_alloc_new_message(TASK_ENB_APP, 0, RRC_CONFIGURATION_REQ);
RRC_CONFIGURATION_REQ(msg_p) = RC.rrc[gnb_id]->configuration;
itti_send_msg_to_task(TASK_RRC_ENB, ENB_MODULE_ID_TO_INSTANCE(gnb_id), msg_p);
/* TODO XForms might need to be restarted, but it is currently (09/02/18)
* broken, so we cannot test it */
wait_gNBs();
init_RU_proc(ru);
ru->rf_map.card = 0;
ru->rf_map.chain = 0; /* CC_id + chain_offset;*/
wait_RUs();
init_eNB_afterRU();
printf("Sending sync to all threads\n");
pthread_mutex_lock(&sync_mutex);
sync_var=0;
pthread_cond_broadcast(&sync_cond);
pthread_mutex_unlock(&sync_mutex);
return 0;
}
static void wait_nfapi_init(char *thread_name) {
printf( "waiting for NFAPI PNF connection and population of global structure (%s)\n",thread_name);
pthread_mutex_lock( &nfapi_sync_mutex );
@@ -664,14 +584,6 @@ int main( int argc, char **argv ) {
int ret=create_gNB_tasks(1);
AssertFatal(ret==0,"cannot create ITTI tasks\n");
/* Start the agent. If it is turned off in the configuration, it won't start */
/*
RCconfig_nr_flexran();
for (i = 0; i < RC.nb_nr_L1_inst; i++) {
flexran_agent_start(i);
}
*/
// init UE_PF_PO and mutex lock
pthread_mutex_init(&ue_pf_po_mutex, NULL);
memset (&UE_PF_PO[0][0], 0, sizeof(UE_PF_PO_t)*NUMBER_OF_UE_MAX*MAX_NUM_CCs);
-3
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@@ -3,7 +3,6 @@
#include <executables/nr-softmodem-common.h>
#include "flexran_agent.h"
#include "PHY/defs_gNB.h"
#define DEFAULT_DLF 2680000000
@@ -61,8 +60,6 @@ extern void reset_opp_meas(void);
extern void print_opp_meas(void);
void init_gNB_afterRU(void);
extern int stop_L1L2(module_id_t gnb_id);
extern int restart_L1L2(module_id_t gnb_id);
void init_pdcp(void);
#endif