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Updates in the UE context setup request handling function at the DU

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matzakos
2021-09-15 16:37:01 +02:00
parent 222419ddbf
commit 4325b1fcda
2 changed files with 68 additions and 52 deletions
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openair2/RRC/NR/rrc_gNB.c
+65 -49
View File
@@ -1381,11 +1381,11 @@ rrc_gNB_process_RRCReconfigurationComplete(
DRBs[i].drb_id = DRB_configList->list.array[i]->drb_Identity;
DRBs[i].rlc_mode = RLC_MODE_AM;
DRBs[i].up_ul_tnl[0].tl_address = inet_addr(rrc->eth_params_s.my_addr);
DRBs[i].up_ul_tnl[0].port=rrc->eth_params_s.my_portd;
DRBs[i].up_ul_tnl[0].port=rrc->eth_params_s.my_portd;
DRBs[i].up_ul_tnl_length = 1;
DRBs[i].up_dl_tnl[0].tl_address = inet_addr(rrc->eth_params_s.remote_addr);
DRBs[i].up_dl_tnl[0].port=rrc->eth_params_s.remote_portd;
DRBs[i].up_dl_tnl_length = 1;
DRBs[i].up_dl_tnl[0].tl_address = inet_addr(rrc->eth_params_s.remote_addr);
DRBs[i].up_dl_tnl[0].port=rrc->eth_params_s.remote_portd;
DRBs[i].up_dl_tnl_length = 1;
}
F1AP_UE_CONTEXT_SETUP_REQ (message_p).gNB_CU_ue_id = 0;
F1AP_UE_CONTEXT_SETUP_REQ (message_p).gNB_DU_ue_id = 0;
@@ -3158,67 +3158,85 @@ static void rrc_DU_process_ue_context_setup_request(MessageDef *msg_p, const cha
/* Configure SRB2 */
NR_SRB_ToAddMod_t *SRB2_config = NULL;
NR_SRB_ToAddModList_t *SRB_configList = ue_context_p->ue_context.SRB_configList;
uint8_t SRBs_before_new_addition = ue_context_p->ue_context.SRB_configList->list.count;
if(SRB_configList != NULL){
NR_SRB_ToAddModList_t *SRB_configList = NULL;
uint8_t SRBs_before_new_addition = 0;
if(req->srbs_to_be_setup_length>0){
if(ue_context_p->ue_context.SRB_configList == NULL){
LOG_W(NR_RRC, "The SRB list of the UE context is empty before the addition of new SRB at the DU \n");
ue_context_p->ue_context.SRB_configList = CALLOC(1, sizeof(*ue_context_p->ue_context.SRB_configList));
}
SRB_configList = ue_context_p->ue_context.SRB_configList;
SRBs_before_new_addition = SRB_configList->list.count;
for (int i=0; i<req->srbs_to_be_setup_length; i++){
SRB2_config = CALLOC(1, sizeof(*SRB2_config));
SRB2_config->srb_Identity = req->srbs_to_be_setup[i].srb_id;
ASN_SEQUENCE_ADD(&SRB_configList->list, SRB2_config);
}
}
else{
LOG_E(NR_RRC, "The SRB list of the UE context is empty before the addition of SRB2 \n");
return;
}
/* Configure DRB */
NR_DRB_ToAddMod_t *DRB_config = NULL;
if(ue_context_p->ue_context.DRB_configList == NULL){
ue_context_p->ue_context.DRB_configList = CALLOC(1, sizeof(*ue_context_p->ue_context.DRB_configList));
NR_DRB_ToAddModList_t *DRB_configList = NULL;
if(req->drbs_to_be_setup_length>0){
if(ue_context_p->ue_context.DRB_configList == NULL){
ue_context_p->ue_context.DRB_configList = CALLOC(1, sizeof(*ue_context_p->ue_context.DRB_configList));
}
DRB_configList = ue_context_p->ue_context.DRB_configList;
for (int i=0; i<req->drbs_to_be_setup_length; i++){
DRB_config = CALLOC(1, sizeof(*DRB_config));
DRB_config->drb_Identity = req->drbs_to_be_setup[i].drb_id;
ASN_SEQUENCE_ADD(&DRB_configList->list, DRB_config);
f1ap_drb_to_be_setup_t drb_p = req->drbs_to_be_setup[i];
transport_layer_addr_t addr;
memcpy(addr.buffer, &drb_p.up_ul_tnl[0].tl_address, sizeof(drb_p.up_ul_tnl[0].tl_address));
addr.length=sizeof(drb_p.up_ul_tnl[0].tl_address)*8;
extern instance_t DUuniqInstance;
incoming_teid=newGtpuCreateTunnel(DUuniqInstance,
req->rnti,
drb_p.drb_id,
drb_p.drb_id,
drb_p.up_ul_tnl[0].teid,
addr,
2152,
DURecvCb);
}
}
NR_DRB_ToAddModList_t *DRB_configList = ue_context_p->ue_context.DRB_configList;
for (int i=0; i<req->drbs_to_be_setup_length; i++){
DRB_config = CALLOC(1, sizeof(*DRB_config));
DRB_config->drb_Identity = req->drbs_to_be_setup[i].drb_id;
ASN_SEQUENCE_ADD(&DRB_configList->list, DRB_config);
f1ap_drb_to_be_setup_t drb_p = req->drbs_to_be_setup[i];
transport_layer_addr_t addr;
memcpy(addr.buffer, &drb_p.up_ul_tnl[0].tl_address, sizeof(drb_p.up_ul_tnl[0].tl_address));
addr.length=sizeof(drb_p.up_ul_tnl[0].tl_address)*8;
extern instance_t DUuniqInstance;
incoming_teid=newGtpuCreateTunnel(DUuniqInstance,
req->rnti,
drb_p.drb_id,
drb_p.drb_id,
drb_p.up_ul_tnl[0].teid,
addr,
2152,
DURecvCb);
}
apply_macrlc_config(rrc, ue_context_p, &ctxt);
/* Fill the UE context setup response ITTI message to send to F1AP */
resp->gNB_CU_ue_id = req->gNB_CU_ue_id;
resp->rnti = ctxt.rnti;
resp->drbs_to_be_setup = calloc(1,DRB_configList->list.count*sizeof(f1ap_drb_to_be_setup_t));
resp->drbs_to_be_setup_length = DRB_configList->list.count;
for (int i=0; i<DRB_configList->list.count; i++){
resp->drbs_to_be_setup[i].drb_id = DRB_configList->list.array[i]->drb_Identity;
resp->drbs_to_be_setup[i].rlc_mode = RLC_MODE_AM;
resp->drbs_to_be_setup[i].up_dl_tnl[0].teid = incoming_teid;
resp->drbs_to_be_setup[i].up_dl_tnl[0].tl_address = inet_addr(mac->eth_params_n.my_addr);
resp->drbs_to_be_setup[i].up_dl_tnl_length = 1;
if(DRB_configList){
if(DRB_configList->list.count > 0){
resp->drbs_to_be_setup = calloc(1,DRB_configList->list.count*sizeof(f1ap_drb_to_be_setup_t));
resp->drbs_to_be_setup_length = DRB_configList->list.count;
for (int i=0; i<DRB_configList->list.count; i++){
resp->drbs_to_be_setup[i].drb_id = DRB_configList->list.array[i]->drb_Identity;
resp->drbs_to_be_setup[i].rlc_mode = RLC_MODE_AM;
resp->drbs_to_be_setup[i].up_dl_tnl[0].teid = incoming_teid;
resp->drbs_to_be_setup[i].up_dl_tnl[0].tl_address = inet_addr(mac->eth_params_n.my_addr);
resp->drbs_to_be_setup[i].up_dl_tnl_length = 1;
}
}
else{
LOG_W(NR_RRC, "No DRB added upon reception of F1 UE context setup request with a DRB to setup list\n");
}
}
if(SRBs_before_new_addition < SRB_configList->list.count){
resp->srbs_to_be_setup = calloc(1,req->srbs_to_be_setup_length*sizeof(f1ap_srb_to_be_setup_t));
resp->srbs_to_be_setup_length = req->srbs_to_be_setup_length;
for (int i=SRBs_before_new_addition; i<SRB_configList->list.count; i++){
resp->srbs_to_be_setup[i-SRBs_before_new_addition].srb_id = SRB_configList->list.array[i]->srb_Identity;
if(SRB_configList){
if(SRB_configList->list.count >0 && SRBs_before_new_addition < SRB_configList->list.count){
resp->srbs_to_be_setup = calloc(1,req->srbs_to_be_setup_length*sizeof(f1ap_srb_to_be_setup_t));
resp->srbs_to_be_setup_length = req->srbs_to_be_setup_length;
for (int i=SRBs_before_new_addition; i<SRB_configList->list.count; i++){
resp->srbs_to_be_setup[i-SRBs_before_new_addition].srb_id = SRB_configList->list.array[i]->srb_Identity;
}
}
else{
LOG_W(NR_RRC, "No SRB added upon reception of F1 UE Context setup request at the DU\n");
}
}
else{
LOG_E(NR_RRC, "SRB failed to get added \n");
LOG_W(NR_RRC, "No SRB added upon reception of F1 UE Context setup request at the DU\n");
}
resp->du_to_cu_rrc_information = calloc(1,1024*sizeof(uint8_t));
asn_enc_rval_t enc_rval = uper_encode_to_buffer(&asn_DEF_NR_CellGroupConfig,
@@ -3228,8 +3246,6 @@ static void rrc_DU_process_ue_context_setup_request(MessageDef *msg_p, const cha
1024);
resp->du_to_cu_rrc_information_length = (enc_rval.encoded+7)>>3;
itti_send_msg_to_task (TASK_DU_F1, ctxt.module_id, message_p);
}
static void rrc_CU_process_ue_context_setup_response(MessageDef *msg_p, const char *msg_name, instance_t instance){
openair3/ocp-gtpu/gtp_itf.cpp
+3 -3
View File
@@ -205,7 +205,7 @@ static void gtpv1uSend2(instance_t instance, gtpv1u_gnb_tunnel_data_req_t *req,
auto ptrRnti=inst->ue2te_mapping.find(rnti);
if ( ptrRnti==inst->ue2te_mapping.end() ) {
LOG_E(GTPU, "GTP-U instance: %d gtpv1uSend failed: while getting ue rnti %x in hashtable ue_mapping\n", instance, rnti);
LOG_E(GTPU, "GTP-U instance: %ld gtpv1uSend failed: while getting ue rnti %x in hashtable ue_mapping\n", instance, rnti);
pthread_mutex_unlock(&globGtp.gtp_lock);
return;
}
@@ -213,12 +213,12 @@ static void gtpv1uSend2(instance_t instance, gtpv1u_gnb_tunnel_data_req_t *req,
map<int, ocp_gtpv1u_bearer_t>::iterator ptr2=ptrRnti->second.bearers.find(rab_id);
if ( ptr2 == ptrRnti->second.bearers.end() ) {
LOG_D(GTPU,"GTP-U instance: %d sending a packet to a non existant RNTI:RAB: %x/%x\n", instance, rnti, rab_id);
LOG_D(GTPU,"GTP-U instance: %ld sending a packet to a non existant RNTI:RAB: %x/%x\n", instance, rnti, rab_id);
pthread_mutex_unlock(&globGtp.gtp_lock);
return;
}
LOG_D(GTPU,"GTP-U instance: %d sending a packet to RNTI:RAB:teid %x/%x/%x, len %lu, oldseq %d, oldnum %d\n",
LOG_D(GTPU,"GTP-U instance: %ld sending a packet to RNTI:RAB:teid %x/%x/%x, len %lu, oldseq %d, oldnum %d\n",
instance, rnti, rab_id,ptr2->second.teid_outgoing,length, ptr2->second.seqNum,ptr2->second.npduNum );
if(seqNumFlag)