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Add E2 agent in CU-UP

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This commit is contained in:
Teodora
2024-01-17 15:51:52 +01:00
parent a2b881a443
commit 56843fc1d7
10 changed files with 157 additions and 90 deletions
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CMakeLists.txt
+6 -2
View File
@@ -1433,7 +1433,7 @@ target_link_libraries(L2 PRIVATE x2ap s1ap lte_rrc m2ap)
target_link_libraries(L2 PRIVATE asn1_lte_rrc_hdrs asn1_nr_rrc_hdrs)
if(E2_AGENT)
target_link_libraries(L2 PUBLIC e2_agent e2_ran_func)
target_link_libraries(L2 PUBLIC e2_agent e2_agent_arg e2_ran_func)
target_compile_definitions(L2 PRIVATE E2_AGENT)
target_compile_definitions(L2 PRIVATE ${E2AP_VERSION} ${KPM_VERSION})
endif()
@@ -1460,7 +1460,7 @@ target_link_libraries(e1_if PRIVATE asn1_nr_rrc_hdrs asn1_lte_rrc_hdrs asn1_f1ap
target_link_libraries(L2_NR PRIVATE f1ap x2ap s1ap ngap nr_rrc e1ap nr_rlc)
if(E2_AGENT)
target_link_libraries(L2_NR PUBLIC e2_agent e2_ran_func)
target_link_libraries(L2_NR PUBLIC e2_agent e2_agent_arg e2_ran_func)
target_compile_definitions(L2_NR PRIVATE ${E2AP_VERSION} ${KPM_VERSION})
target_compile_definitions(L2_NR PRIVATE E2_AGENT)
endif()
@@ -2114,6 +2114,10 @@ target_link_libraries(nr-cuup PRIVATE
GTPV1U e1ap f1ap SIMU_ETH
z sctp dl pthread shlib_loader ${T_LIB})
target_link_libraries(nr-cuup PRIVATE asn1_lte_rrc_hdrs asn1_nr_rrc_hdrs)
if(E2_AGENT)
target_link_libraries(nr-cuup PRIVATE e2_agent e2_agent_arg) # RAN functions to be added
target_compile_definitions(nr-cuup PRIVATE ${E2AP_VERSION} ${KPM_VERSION} E2_AGENT)
endif()
# nr-uesoftmodem is UE implementation
#######################################
executables/nr-cuup.c
+53
View File
@@ -39,6 +39,43 @@ int asn1_xer_print;
int oai_exit = 0;
instance_t CUuniqInstance = 0;
#ifdef E2_AGENT
#include "openair2/E2AP/flexric/src/agent/e2_agent_api.h"
#include "openair2/E2AP/RAN_FUNCTION/init_ran_func.h"
static void initialize_agent(ngran_node_t node_type, e2_agent_args_t oai_args)
{
AssertFatal(oai_args.sm_dir != NULL , "Please, specify the directory where the SMs are located in the config file, i.e., add in config file the next line: e2_agent = {near_ric_ip_addr = \"127.0.0.1\"; sm_dir = \"/usr/local/lib/flexric/\");} ");
AssertFatal(oai_args.ip != NULL , "Please, specify the IP address of the nearRT-RIC in the config file, i.e., e2_agent = {near_ric_ip_addr = \"127.0.0.1\"; sm_dir = \"/usr/local/lib/flexric/\"");
printf("After RCconfig_NR_E2agent %s %s \n",oai_args.sm_dir, oai_args.ip );
fr_args_t args = { .ip = oai_args.ip }; // init_fr_args(0, NULL);
memcpy(args.libs_dir, oai_args.sm_dir, 128);
sleep(1);
// Only 1 instances is supported in one executable
// Advice: run multiple executables to have multiple instances
const e1ap_upcp_inst_t *e1inst = getCxtE1(CUuniqInstance);
const int nb_id = e1inst->gnb_id;
const int cu_up_id = e1inst->cuup.setupReq.gNB_cu_up_id;
const int mcc = e1inst->cuup.setupReq.plmn[0].id.mcc;
const int mnc = e1inst->cuup.setupReq.plmn[0].id.mnc;
const int mnc_digit_len = e1inst->cuup.setupReq.plmn[0].id.mnc_digit_length;
// const ngran_node_t node_type = ngran_gNB_CUUP;
printf("[E2 NODE]: mcc = %d mnc = %d mnc_digit = %d nb_id = %d \n", mcc, mnc, mnc_digit_len, nb_id);
printf("[E2 NODE]: Args %s %s \n", args.ip, args.libs_dir);
// sm_io_ag_ran_t io = init_ran_func_ag();
// init_agent_api(mcc, mnc, mnc_digit_len, nb_id, cu_up_id, node_type, io, &args);
}
#endif // E2_AGENT
void exit_function(const char *file, const char *function, const int line, const char *s, const int assert)
{
if (assert) {
@@ -135,6 +172,22 @@ int main(int argc, char **argv)
AssertFatal(msg != NULL, "Send init to task for E1AP UP failed\n");
itti_send_msg_to_task(TASK_CUUP_E1, 0, msg);
#ifdef E2_AGENT
//////////////////////////////////
//////////////////////////////////
//// Init the E2 Agent
// OAI Wrapper
e2_agent_args_t oai_args = RCconfig_NR_E2agent();
if (oai_args.enabled) {
const ngran_node_t node_type = get_node_type();
assert(node_type == ngran_gNB_CUUP);
initialize_agent(node_type, oai_args);
}
#endif // E2_AGENT
printf("TYPE <CTRL-C> TO TERMINATE\n");
itti_wait_tasks_end(NULL);
executables/nr-softmodem.c
+1 -1
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@@ -600,7 +600,7 @@ static void initialize_agent(ngran_node_t node_type, e2_agent_args_t oai_args)
AssertFatal(mac != NULL, "MAC not initialized\n");
cu_du_id = mac->f1_config.gnb_id;
nb_id = mac->f1_config.setup_req->gNB_DU_id;
} else if (node_type == ngran_gNB_CU) {
} else if (node_type == ngran_gNB_CU || node_type == ngran_gNB_CUCP) {
// agent buggy: the CU has no second ID, it is the CU-UP ID
// however, that is not a problem her for us, so put the same ID twice
nb_id = rrc->node_id;
openair2/E2AP/CMakeLists.txt
+1
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@@ -128,3 +128,4 @@ add_subdirectory(flexric/src/sm)
add_subdirectory(flexric/src/util)
add_subdirectory(RAN_FUNCTION)
add_library(e2_agent_arg STATIC e2_agent_arg.c)
openair2/E2AP/e2_agent_arg.c
+50
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@@ -0,0 +1,50 @@
/*
* 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
*/
#include "e2_agent_arg.h"
#include "e2_agent_paramdef.h"
#include "common/config/config_userapi.h"
e2_agent_args_t RCconfig_NR_E2agent(void)
{
paramdef_t e2agent_params[] = E2AGENT_PARAMS_DESC;
int ret = config_get(config_get_if(), e2agent_params, sizeofArray(e2agent_params), CONFIG_STRING_E2AGENT);
if (ret < 0) {
printf("configuration file does not contain a \"%s\" section, applying default parameters from FlexRIC\n", CONFIG_STRING_E2AGENT);
return (e2_agent_args_t) { 0 };
}
bool enabled = config_isparamset(e2agent_params, E2AGENT_CONFIG_SMDIR_IDX)
&& config_isparamset(e2agent_params, E2AGENT_CONFIG_IP_IDX);
e2_agent_args_t dst = {.enabled = enabled};
if (!enabled) {
printf("E2 agent is DISABLED (for activation, define .%s.{%s,%s} parameters)\n", CONFIG_STRING_E2AGENT, E2AGENT_CONFIG_IP, E2AGENT_CONFIG_SMDIR);
return dst;
}
if (e2agent_params[E2AGENT_CONFIG_SMDIR_IDX].strptr != NULL)
dst.sm_dir = *e2agent_params[E2AGENT_CONFIG_SMDIR_IDX].strptr;
if (e2agent_params[E2AGENT_CONFIG_IP_IDX].strptr != NULL)
dst.ip = *e2agent_params[E2AGENT_CONFIG_IP_IDX].strptr;
return dst;
}
openair2/E2AP/e2_agent_arg.h
+4
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@@ -23,6 +23,8 @@
#define E2_AGENT_ARGS_H
#include <stdint.h>
#include <stdbool.h>
#include <stddef.h>
// Wrapper for OAI
typedef struct{
@@ -31,6 +33,8 @@ typedef struct{
const bool enabled;
} e2_agent_args_t;
e2_agent_args_t RCconfig_NR_E2agent(void);
#endif
openair2/E2AP/e2_agent_paramdef.h
+42
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@@ -0,0 +1,42 @@
/*
* 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
*/
#ifndef E2_AGENT_PARAMDEF_H_
#define E2_AGENT_PARAMDEF_H_
/* E2 Agent configuration */
#define CONFIG_STRING_E2AGENT "e2_agent"
#define E2AGENT_CONFIG_IP "near_ric_ip_addr"
#define E2AGENT_CONFIG_SMDIR "sm_dir"
static const char* const e2agent_config_ip_default = "127.0.0.1";
static const char* const e2agent_config_smdir_default = ".";
#define E2AGENT_PARAMS_DESC { \
{E2AGENT_CONFIG_IP, "RIC IP address", 0, strptr:NULL, defstrval:(char*)e2agent_config_ip_default, TYPE_STRING, 0}, \
{E2AGENT_CONFIG_SMDIR, "Directory with SMs to load", 0, strptr:NULL, defstrval:(char*)e2agent_config_smdir_default, TYPE_STRING, 0}, \
}
#define E2AGENT_CONFIG_IP_IDX 0
#define E2AGENT_CONFIG_SMDIR_IDX 1
#endif
openair2/ENB_APP/enb_config.c
-32
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@@ -2931,35 +2931,3 @@ void read_config_and_init(void) {
RCconfig_RRC(enb_id, RC.rrc[enb_id]);
}
}
#ifdef E2_AGENT
e2_agent_args_t RCconfig_E2agent(void)
{
paramdef_t e2agent_params[] = E2AGENT_PARAMS_DESC;
int ret = config_get(config_get_if(), e2agent_params, sizeofArray(e2agent_params), CONFIG_STRING_E2AGENT);
if (ret < 0) {
LOG_W(GNB_APP, "configuration file does not contain a \"%s\" section, applying default parameters\n", CONFIG_STRING_E2AGENT);
return (e2_agent_args_t) {0};
}
bool enabled = config_isparamset(e2agent_params, E2AGENT_CONFIG_SMDIR_IDX)
&& config_isparamset(e2agent_params, E2AGENT_CONFIG_IP_IDX);
if (!enabled) {
LOG_W(GNB_APP, "E2 agent is DISABLED (for activation, define .%s.{%s,%s} parameters)\n", CONFIG_STRING_E2AGENT, E2AGENT_CONFIG_IP, E2AGENT_CONFIG_SMDIR);
return (e2_agent_args_t) {
.enabled = false,
};
}
return (e2_agent_args_t) {
.enabled = true,
.ip = *e2agent_params[E2AGENT_CONFIG_IP_IDX].strptr,
.sm_dir = *e2agent_params[E2AGENT_CONFIG_SMDIR_IDX].strptr,
};
}
#endif
openair2/ENB_APP/enb_paramdef.h
-25
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@@ -1321,32 +1321,7 @@ typedef struct srb1_params_s {
#define CONFIG_HLP_PARALLEL "PARALLEL_SINGLE_THREAD, PARALLEL_RU_L1_SPLIT, or PARALLEL_RU_L1_TRX_SPLIT(RU_L1_TRX_SPLIT by defult)\n"
/*-------------------------------------------------------------------------------------------------------------------------------------------------------------*/
#ifdef E2_AGENT
/* E2 Agent configuration */
#define CONFIG_STRING_E2AGENT "e2_agent"
#define E2AGENT_CONFIG_IP "near_ric_ip_addr"
//#define E2AGENT_CONFIG_PORT "port"
#define E2AGENT_CONFIG_SMDIR "sm_dir"
static const char* const e2agent_config_ip_default = "127.0.0.1";
static const char* const e2agent_config_smdir_default = ".";
#define E2AGENT_PARAMS_DESC { \
{E2AGENT_CONFIG_IP, "RIC IP address", 0, strptr:NULL, defstrval:(char*)e2agent_config_ip_default, TYPE_STRING, 0}, \
{E2AGENT_CONFIG_SMDIR, "Directory with SMs to load", 0, strptr:NULL, defstrval:(char*)e2agent_config_smdir_default, TYPE_STRING, 0}, \
}
/*
// {E2AGENT_CONFIG_PORT, "RIC port", 0, u16ptr:NULL, defuintval:e2agent_config_port_default, TYPE_UINT16, 0}, \
}
*/
#define E2AGENT_CONFIG_IP_IDX 0
#define E2AGENT_CONFIG_SMDIR_IDX 1
//#define E2AGENT_CONFIG_PORT_IDX 2
#endif // E2_AGENT
#include "enb_paramdef_emtc.h"
openair2/GNB_APP/gnb_config.c
-30
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@@ -2266,33 +2266,3 @@ ngran_node_t get_node_type(void)
return ngran_gNB;
}
}
#ifdef E2_AGENT
e2_agent_args_t RCconfig_NR_E2agent(void)
{
paramdef_t e2agent_params[] = E2AGENT_PARAMS_DESC;
int ret = config_get(config_get_if(), e2agent_params, sizeofArray(e2agent_params), CONFIG_STRING_E2AGENT);
if (ret < 0) {
LOG_W(GNB_APP, "configuration file does not contain a \"%s\" section, applying default parameters from FlexRIC\n", CONFIG_STRING_E2AGENT);
return (e2_agent_args_t) { 0 };
}
bool enabled = config_isparamset(e2agent_params, E2AGENT_CONFIG_SMDIR_IDX)
&& config_isparamset(e2agent_params, E2AGENT_CONFIG_IP_IDX);
e2_agent_args_t dst = {.enabled = enabled};
if (!enabled) {
LOG_W(GNB_APP, "E2 agent is DISABLED (for activation, define .%s.{%s,%s} parameters)\n", CONFIG_STRING_E2AGENT, E2AGENT_CONFIG_IP, E2AGENT_CONFIG_SMDIR);
return dst;
}
if (e2agent_params[E2AGENT_CONFIG_SMDIR_IDX].strptr != NULL)
dst.sm_dir = *e2agent_params[E2AGENT_CONFIG_SMDIR_IDX].strptr;
if (e2agent_params[E2AGENT_CONFIG_IP_IDX].strptr != NULL)
dst.ip = *e2agent_params[E2AGENT_CONFIG_IP_IDX].strptr;
return dst;
}
#endif // E2_AGENT