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ENDC X2AP: Add handling of sGNB Reconfiguration Complete message at gNB side

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This commit is contained in:
Raymond Knopp
2020-01-17 13:09:07 +01:00
parent 1493b7cb55
commit 41b739ebff
6 changed files with 115 additions and 3 deletions
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openair2/COMMON/x2ap_messages_def.h
+1
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@@ -54,3 +54,4 @@ MESSAGE_DEF(X2AP_SENB_ADDITION_REQ , MESSAGE_PRIORITY_MED, x2ap_sen
/*SGnb bearer addition messages X2AP <-> RRC */
MESSAGE_DEF(X2AP_ENDC_SGNB_ADDITION_REQ , MESSAGE_PRIORITY_MED, x2ap_ENDC_sgnb_addition_req_t , x2ap_ENDC_sgnb_addition_req)
MESSAGE_DEF(X2AP_ENDC_SGNB_ADDITION_REQ_ACK , MESSAGE_PRIORITY_MED, x2ap_ENDC_sgnb_addition_req_ACK_t , x2ap_ENDC_sgnb_addition_req_ACK)
MESSAGE_DEF(X2AP_ENDC_SGNB_RECONF_COMPLETE , MESSAGE_PRIORITY_MED, x2ap_ENDC_reconf_complete_t , x2ap_ENDC_sgnb_reconf_complete)
openair2/COMMON/x2ap_messages_types.h
+20
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@@ -40,6 +40,7 @@
#define X2AP_SENB_ADDITION_REQ(mSGpTR) (mSGpTR)->ittiMsg.x2ap_senb_addition_req
#define X2AP_ENDC_SGNB_ADDITION_REQ(mSGpTR) (mSGpTR)->ittiMsg.x2ap_ENDC_sgnb_addition_req
#define X2AP_ENDC_SGNB_ADDITION_REQ_ACK(mSGpTR) (mSGpTR)->ittiMsg.x2ap_ENDC_sgnb_addition_req_ACK
#define X2AP_ENDC_SGNB_RECONF_COMPLETE(mSGpTR) (mSGpTR)->ittiMsg.x2ap_ENDC_sgnb_reconf_complete
#define X2AP_MAX_NB_ENB_IP_ADDRESS 2
@@ -68,6 +69,13 @@ typedef enum {
X2AP_TX2_RELOC_OVERALL_TIMEOUT
} x2ap_handover_cancel_cause_t;
typedef enum {
X2AP_RECONF_RESPONSE_SUCCESS,
X2AP_RECONF_RESPONSE_REJECT
/* Extensions may appear below */
} x2ap_sgNB_reconf_response_information_t;
typedef struct x2ap_handover_cancel_s {
int rnti;
x2ap_handover_cancel_cause_t cause;
@@ -374,5 +382,17 @@ typedef struct x2ap_ENDC_sgnb_addition_req_ACK_s {
} x2ap_ENDC_sgnb_addition_req_ACK_t;
typedef struct x2ap_ENDC_reconf_complete_s {
int MeNB_ue_x2_id;
int SgNB_ue_x2_id;
x2ap_sgNB_reconf_response_information_t reconf_response;
uint8_t rrc_buffer[4096 /* arbitrary, big enough */];
int rrc_buffer_size;
} x2ap_ENDC_reconf_complete_t;
#endif /* X2AP_MESSAGES_TYPES_H_ */
openair2/RRC/NR/rrc_gNB.c
+4
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@@ -449,6 +449,10 @@ void *rrc_gnb_task(void *args_p) {
rrc_gNB_process_AdditionRequestInformation(GNB_INSTANCE_TO_MODULE_ID(instance), &X2AP_ENDC_SGNB_ADDITION_REQ(msg_p));
break;
case X2AP_ENDC_SGNB_RECONF_COMPLETE:
LOG_I(NR_RRC, "Handling of reconfiguration complete message at RRC gNB is pending \n");
break;
default:
LOG_E(NR_RRC, "[gNB %d] Received unexpected message %s\n", instance, msg_name_p);
openair2/RRC/NR/rrc_gNB_reconfig.c
+2 -2
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@@ -375,7 +375,7 @@ void fill_default_secondaryCellGroup(NR_ServingCellConfigCommon_t *servingcellco
secondaryCellGroup->spCellConfig->spCellConfigDedicated->initialDownlinkBWP->pdsch_Config->choice.setup->sp_ZP_CSI_RS_ResourceSetsToAddModList=NULL;
secondaryCellGroup->spCellConfig->spCellConfigDedicated->initialDownlinkBWP->pdsch_Config->choice.setup->sp_ZP_CSI_RS_ResourceSetsToReleaseList=NULL;
secondaryCellGroup->spCellConfig->spCellConfigDedicated->initialDownlinkBWP->pdsch_Config->choice.setup->p_ZP_CSI_RS_ResourceSet=NULL;
secondaryCellGroup->spCellConfig->spCellConfigDedicated->initialDownlinkBWP->sps_Config = NULL;
secondaryCellGroup->spCellConfig->spCellConfigDedicated->initialDownlinkBWP->sps_Config = NULL; //calloc(1,sizeof(struct NR_SetupRelease_SPS_Config));
secondaryCellGroup->spCellConfig->spCellConfigDedicated->initialDownlinkBWP->radioLinkMonitoringConfig = calloc(1,sizeof(*secondaryCellGroup->spCellConfig->spCellConfigDedicated->initialDownlinkBWP->radioLinkMonitoringConfig));
secondaryCellGroup->spCellConfig->spCellConfigDedicated->initialDownlinkBWP->radioLinkMonitoringConfig->present = NR_SetupRelease_RadioLinkMonitoringConfig_PR_setup;
@@ -794,7 +794,7 @@ void fill_default_secondaryCellGroup(NR_ServingCellConfigCommon_t *servingcellco
bwp->bwp_Dedicated->pdsch_Config->choice.setup->sp_ZP_CSI_RS_ResourceSetsToAddModList=NULL;
bwp->bwp_Dedicated->pdsch_Config->choice.setup->sp_ZP_CSI_RS_ResourceSetsToReleaseList=NULL;
bwp->bwp_Dedicated->pdsch_Config->choice.setup->p_ZP_CSI_RS_ResourceSet=NULL;
bwp->bwp_Dedicated->sps_Config = NULL;
bwp->bwp_Dedicated->sps_Config = NULL; //calloc(1,sizeof(struct NR_SetupRelease_SPS_Config));
bwp->bwp_Dedicated->radioLinkMonitoringConfig = calloc(1,sizeof(*bwp->bwp_Dedicated->radioLinkMonitoringConfig));
bwp->bwp_Dedicated->radioLinkMonitoringConfig->present = NR_SetupRelease_RadioLinkMonitoringConfig_PR_setup;
openair2/X2AP/x2ap_eNB_decoder.c
+3
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@@ -65,6 +65,9 @@ static int x2ap_eNB_decode_initiating_message(X2AP_X2AP_PDU_t *pdu)
case X2AP_ProcedureCode_id_sgNBAdditionPreparation:
X2AP_INFO("X2AP_ProcedureCode_id_sgNBAdditionPreparation message!\n");
break;
case X2AP_ProcedureCode_id_sgNBReconfigurationCompletion:
X2AP_INFO("X2AP_ProcedureCode_id_sgNBReconfigurationCompletion message!\n");
break;
default:
X2AP_ERROR("Unknown procedure ID (%d) for initiating message\n",
openair2/X2AP/x2ap_eNB_handler.c
+85 -1
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@@ -126,6 +126,12 @@ int x2ap_eNB_handle_ENDC_sGNB_addition_response (instance_t instance,
uint32_t stream,
X2AP_X2AP_PDU_t *pdu);
static
int x2ap_gNB_handle_ENDC_sGNB_reconfiguration_complete (instance_t instance,
uint32_t assoc_id,
uint32_t stream,
X2AP_X2AP_PDU_t *pdu);
/* Handlers matrix. Only eNB related procedure present here. Placement of callback functions according to X2AP_ProcedureCode.h */
x2ap_message_decoded_callback x2ap_messages_callback[][3] = {
@@ -157,7 +163,7 @@ x2ap_message_decoded_callback x2ap_messages_callback[][3] = {
{ 0, 0, 0 }, /* seNBCounterCheck */
{ 0, 0, 0 }, /* retrieveUEContext */
{ x2ap_gNB_handle_ENDC_sGNB_addition_request, x2ap_eNB_handle_ENDC_sGNB_addition_response, 0 }, /*X2AP_ProcedureCode_id_sgNBAdditionPreparation*/
{ 0, 0, 0 },
{ x2ap_gNB_handle_ENDC_sGNB_reconfiguration_complete, 0, 0 }, /*X2AP_ProcedureCode_id_sgNBReconfigurationCompletion*/
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
@@ -1907,5 +1913,83 @@ int x2ap_eNB_handle_ENDC_sGNB_addition_response (instance_t instance,
}
static
int x2ap_gNB_handle_ENDC_sGNB_reconfiguration_complete (instance_t instance,
uint32_t assoc_id,
uint32_t stream,
X2AP_X2AP_PDU_t *pdu) {
X2AP_SgNBReconfigurationComplete_t *x2SgNBReconfigurationComplete;
X2AP_SgNBReconfigurationComplete_IEs_t *ie;
x2ap_eNB_instance_t *instance_p;
x2ap_eNB_data_t *x2ap_eNB_data;
MessageDef *msg;
int ue_id;
DevAssert (pdu != NULL);
x2SgNBReconfigurationComplete = &pdu->choice.initiatingMessage.value.choice.SgNBReconfigurationComplete;
/*if (stream == 0) {
X2AP_ERROR ("Received new x2 SgNB Addition request on stream == 0\n");
// TODO: send a x2 failure response
return 0;
}*/
X2AP_DEBUG ("Received X2 SgNB Reconfiguration complete message\n");
x2ap_eNB_data = x2ap_get_eNB(NULL, assoc_id, 0);
DevAssert(x2ap_eNB_data != NULL);
X2AP_INFO("X2AP Association id: %d \n",assoc_id);
instance_p = x2ap_eNB_get_instance(instance);
DevAssert(instance_p != NULL);
//Allocate an ITTI X2AP_SGNB_ADDITION_REQ message instead
msg = itti_alloc_new_message(TASK_X2AP, X2AP_ENDC_SGNB_RECONF_COMPLETE);
/* X2AP_ProtocolIE_ID_id_MeNB_UE_X2AP_ID */
X2AP_FIND_PROTOCOLIE_BY_ID(X2AP_SgNBReconfigurationComplete_IEs_t, ie, x2SgNBReconfigurationComplete,
X2AP_ProtocolIE_ID_id_MeNB_UE_X2AP_ID, true);
if (ie == NULL ) {
X2AP_ERROR("%s %d: ie is a NULL pointer \n",__FILE__,__LINE__);
return -1;
}
X2AP_ENDC_SGNB_RECONF_COMPLETE(msg).MeNB_ue_x2_id = ie->value.choice.UE_X2AP_ID;
/* X2AP_ProtocolIE_ID_id_SgNB_UE_X2AP_ID */
X2AP_FIND_PROTOCOLIE_BY_ID(X2AP_SgNBReconfigurationComplete_IEs_t, ie, x2SgNBReconfigurationComplete,
X2AP_ProtocolIE_ID_id_SgNB_UE_X2AP_ID, true);
if (ie == NULL ) {
X2AP_ERROR("%s %d: ie is a NULL pointer \n",__FILE__,__LINE__);
return -1;
}
X2AP_ENDC_SGNB_RECONF_COMPLETE(msg).SgNB_ue_x2_id = ie->value.choice.SgNB_UE_X2AP_ID;
X2AP_FIND_PROTOCOLIE_BY_ID(X2AP_SgNBReconfigurationComplete_IEs_t, ie, x2SgNBReconfigurationComplete,
X2AP_ProtocolIE_ID_id_ResponseInformationSgNBReconfComp, true);
if (ie == NULL ) {
X2AP_ERROR("%s %d: ie is a NULL pointer \n",__FILE__,__LINE__);
return -1;
}
if(ie->value.choice.ResponseInformationSgNBReconfComp.present == X2AP_ResponseInformationSgNBReconfComp_PR_success_SgNBReconfComp){
X2AP_ENDC_SGNB_RECONF_COMPLETE(msg).reconf_response = X2AP_RECONF_RESPONSE_SUCCESS;
}
else {
X2AP_ENDC_SGNB_RECONF_COMPLETE(msg).reconf_response = X2AP_RECONF_RESPONSE_REJECT;
}
itti_send_msg_to_task(TASK_RRC_GNB, instance_p->instance, msg);
return 0;
}