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INITIAL_UL_RRC_MESSAGE at DU and CU respectively is developped

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This commit is contained in:
Bing-Kai Hong
2018-09-13 19:55:01 +02:00
parent ab49f954c1
commit ef1627fac7
8 changed files with 151 additions and 50 deletions
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openair2/F1AP/f1ap_cu_rrc_message_transfer.c
+96 -2
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@@ -32,18 +32,112 @@
#include "f1ap_common.h"
#include "f1ap_cu_rrc_message_transfer.h"
// undefine C_RNTI from
// openair1/PHY/LTE_TRANSPORT/transport_common.h which
// replaces in ie->value.choice.C_RNTI, causing
// a compile error
#undef C_RNTI
/*
Initial UL RRC Message Transfer
*/
void CU_handle_UL_INITIAL_RRC_MESSAGE_TRANSFER(void) {
int CU_handle_INITIAL_UL_RRC_MESSAGE_TRANSFER(int32_t assoc_id,
uint32_t stream,
F1AP_F1AP_PDU_t *pdu) {
printf("CU_handle_UL_INITIAL_RRC_MESSAGE_TRANSFER\n");
printf("CU_handle_INITIAL_UL_RRC_MESSAGE_TRANSFER\n");
// decode the F1 message
// get the rrc message from the contauiner
// call func rrc_eNB_decode_ccch: <-- needs some update here
MessageDef *message_p;
F1AP_InitialULRRCMessageTransfer_t *container;
F1AP_InitialULRRCMessageTransferIEs_t *ie;
SRB_INFO* Srb_info;
protocol_ctxt_t ctxt;
rnti_t rnti;
uint8_t *ccch_sdu;
sdu_size_t ccch_sdu_len;
int CC_id =0;
int instance=0;
uint64_t du_ue_f1ap_id;
DevAssert(pdu != NULL);
if (stream != 0) {
LOG_E(F1AP, "[SCTP %d] Received F1 on stream != 0 (%d)\n",
assoc_id, stream);
return -1;
}
container = &pdu->choice.initiatingMessage->value.choice.InitialULRRCMessageTransfer;
/* GNB_DU_UE_F1AP_ID */
F1AP_FIND_PROTOCOLIE_BY_ID(F1AP_InitialULRRCMessageTransferIEs_t, ie, container,
F1AP_ProtocolIE_ID_id_gNB_DU_UE_F1AP_ID, true);
du_ue_f1ap_id = ie->value.choice.GNB_DU_UE_F1AP_ID;
printf("du_ue_f1ap_id %lu \n", du_ue_f1ap_id);
/* NRCGI */
F1AP_FIND_PROTOCOLIE_BY_ID(F1AP_InitialULRRCMessageTransferIEs_t, ie, container,
F1AP_ProtocolIE_ID_id_NRCGI, true);
instance = 0; ///ie->value.choice. ?? //@Todo
/* RNTI */
F1AP_FIND_PROTOCOLIE_BY_ID(F1AP_InitialULRRCMessageTransferIEs_t, ie, container,
F1AP_ProtocolIE_ID_id_C_RNTI, true);
BIT_STRING_TO_CELL_IDENTITY(&ie->value.choice.C_RNTI, rnti);
/* RRC Container */
F1AP_FIND_PROTOCOLIE_BY_ID(F1AP_InitialULRRCMessageTransferIEs_t, ie, container,
F1AP_ProtocolIE_ID_id_RRCContainer, true);
ccch_sdu = calloc(ie->value.choice.RRCContainer.size + 1, sizeof(char));
memcpy(ccch_sdu, ie->value.choice.RRCContainer.buf,
ie->value.choice.RRCContainer.size);
/* Convert the mme name to a printable string */
ccch_sdu[ie->value.choice.RRCContainer.size] = '\0';
printf ("RRCContainer %s \n", ccch_sdu);
ccch_sdu_len = ie->value.choice.RRCContainer.size;
// create an ITTI message
message_p = itti_alloc_new_message (TASK_CU_F1, RRC_MAC_CCCH_DATA_IND);
memset (RRC_MAC_CCCH_DATA_IND (message_p).sdu, 0, CCCH_SDU_SIZE);
memcpy (RRC_MAC_CCCH_DATA_IND (message_p).sdu, ccch_sdu, ccch_sdu_len);
RRC_MAC_CCCH_DATA_IND (message_p).frame = 0;
RRC_MAC_CCCH_DATA_IND (message_p).sub_frame = 0;
RRC_MAC_CCCH_DATA_IND (message_p).sdu_size = ccch_sdu_len;
RRC_MAC_CCCH_DATA_IND (message_p).enb_index = instance; // CU instance
RRC_MAC_CCCH_DATA_IND (message_p).rnti = rnti;
RRC_MAC_CCCH_DATA_IND (message_p).CC_id = CC_id;
itti_send_msg_to_task (TASK_RRC_ENB, instance, message_p);
// OR creat the ctxt and srb_info struct required by rrc_eNB_decode_ccch
/*
PROTOCOL_CTXT_SET_BY_INSTANCE(&ctxt,
instance, // to fix
ENB_FLAG_YES,
rnti,
0, // frame
0); // slot
CC_id = RRC_MAC_CCCH_DATA_IND(msg_p).CC_id;
srb_info_p = &RC.rrc[instance]->carrier[CC_id].Srb0;
if (ccch_sdu_len >= RRC_BUFFER_SIZE_MAX) {
LOG_E(RRC, "CCCH message has size %d > %d\n",ccch_sdu_len,RRC_BUFFER_SIZE_MAX);
break;
}
memcpy(srb_info_p->Rx_buffer.Payload,
ccch_sdu,
ccch_sdu_len);
srb_info->Rx_buffer.payload_size = ccch_sdu_len;
rrc_eNB_decode_ccch(&ctxt, srb_info, CC_id);
*/
// if size > 0
// CU_send_DL_RRC_MESSAGE_TRANSFER(C.rrc[ctxt_pP->module_id]->carrier[CC_id].Srb0.Tx_buffer.Payload, RC.rrc[ctxt_pP->module_id]->carrier[CC_id].Srb0.Tx_buffer.payload_size)
}