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Combine rrc_gNB_process_initial_ul_rrc_message() and nr_rrc_gNB_decode_ccch()

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This commit is contained in:
Robert Schmidt
2023-11-08 10:18:52 +01:00
parent 9a092c1433
commit 3a5cff17d7
1 changed files with 47 additions and 65 deletions
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openair2/RRC/NR/rrc_gNB.c
+47 -65
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@@ -1302,57 +1302,6 @@ static void rrc_handle_RRCReestablishmentRequest(gNB_RRC_INST *rrc, const NR_RRC
rrc_gNB_generate_RRCReestablishment(ue_context_p, msg->du2cu_rrc_container, old_rnti, du);
}
static int nr_rrc_gNB_decode_ccch(module_id_t module_id, const f1ap_initial_ul_rrc_message_t *msg)
{
gNB_RRC_INST *rrc = RC.nrrrc[module_id];
LOG_I(NR_RRC, "Decoding CCCH: RNTI %04x, payload_size %d\n", msg->crnti, msg->rrc_container_length);
NR_UL_CCCH_Message_t *ul_ccch_msg = NULL;
asn_dec_rval_t dec_rval =
uper_decode(NULL, &asn_DEF_NR_UL_CCCH_Message, (void **)&ul_ccch_msg, msg->rrc_container, msg->rrc_container_length, 0, 0);
if (dec_rval.code != RC_OK || dec_rval.consumed == 0) {
LOG_E(NR_RRC, " FATAL Error in receiving CCCH\n");
return -1;
}
if (ul_ccch_msg->message.present == NR_UL_CCCH_MessageType_PR_c1) {
switch (ul_ccch_msg->message.choice.c1->present) {
case NR_UL_CCCH_MessageType__c1_PR_NOTHING:
LOG_W(NR_RRC, "Received PR_NOTHING on UL-CCCH-Message, ignoring message\n");
break;
case NR_UL_CCCH_MessageType__c1_PR_rrcSetupRequest:
LOG_D(NR_RRC, "Received RRCSetupRequest on UL-CCCH-Message (UE rnti %04x)\n", msg->crnti);
rrc_handle_RRCSetupRequest(rrc, &ul_ccch_msg->message.choice.c1->choice.rrcSetupRequest->rrcSetupRequest, msg);
break;
case NR_UL_CCCH_MessageType__c1_PR_rrcResumeRequest:
LOG_E(NR_RRC, "Received rrcResumeRequest message, but handling is not implemented\n");
break;
case NR_UL_CCCH_MessageType__c1_PR_rrcReestablishmentRequest: {
LOG_D(NR_RRC, "Received RRCReestablishmentRequest on UL-CCCH-Message (UE RNTI %04x)\n", msg->crnti);
rrc_handle_RRCReestablishmentRequest(
rrc,
&ul_ccch_msg->message.choice.c1->choice.rrcReestablishmentRequest->rrcReestablishmentRequest,
msg);
} break;
case NR_UL_CCCH_MessageType__c1_PR_rrcSystemInfoRequest:
LOG_I(NR_RRC, "UE %04x receive rrcSystemInfoRequest message \n", msg->crnti);
/* TODO */
break;
default:
LOG_E(NR_RRC, "UE %04x Unknown message\n", msg->crnti);
break;
}
}
ASN_STRUCT_FREE(asn_DEF_NR_UL_CCCH_Message, ul_ccch_msg);
return 0;
}
/*! \fn uint64_t bitStr_to_uint64(BIT_STRING_t *)
*\brief This function extract at most a 64 bits value from a BIT_STRING_t object, the exact bits number depend on the BIT_STRING_t contents.
*\param[in] pointer to the BIT_STRING_t object.
@@ -1786,22 +1735,55 @@ int rrc_gNB_decode_dcch(const protocol_ctxt_t *const ctxt_pP,
void rrc_gNB_process_initial_ul_rrc_message(const f1ap_initial_ul_rrc_message_t *ul_rrc)
{
// first get RRC instance (note, no the ITTI instance)
module_id_t i = 0;
for (i=0; i < RC.nb_nr_inst; i++) {
gNB_RRC_INST *rrc = RC.nrrrc[i];
if (rrc->nr_cellid == ul_rrc->nr_cellid)
break;
gNB_RRC_INST *rrc = RC.nrrrc[0];
LOG_I(NR_RRC, "Decoding CCCH: RNTI %04x, payload_size %d\n", ul_rrc->crnti, ul_rrc->rrc_container_length);
NR_UL_CCCH_Message_t *ul_ccch_msg = NULL;
asn_dec_rval_t dec_rval = uper_decode(NULL,
&asn_DEF_NR_UL_CCCH_Message,
(void **)&ul_ccch_msg,
ul_rrc->rrc_container,
ul_rrc->rrc_container_length,
0,
0);
if (dec_rval.code != RC_OK || dec_rval.consumed == 0) {
LOG_E(NR_RRC, " FATAL Error in receiving CCCH\n");
return;
}
//AssertFatal(i != RC.nb_nr_inst, "Cell_id not found\n");
// TODO REMOVE_DU_RRC in monolithic mode, the MAC does not have the
// nr_cellid. Thus, the above check would fail. For the time being, just put
// a warning, as we handle one DU only anyway
if (i == RC.nb_nr_inst) {
i = 0;
LOG_W(RRC, "initial UL RRC message nr_cellid %ld does not match RRC's %ld\n", ul_rrc->nr_cellid, RC.nrrrc[0]->nr_cellid);
if (ul_ccch_msg->message.present == NR_UL_CCCH_MessageType_PR_c1) {
switch (ul_ccch_msg->message.choice.c1->present) {
case NR_UL_CCCH_MessageType__c1_PR_NOTHING:
LOG_W(NR_RRC, "Received PR_NOTHING on UL-CCCH-Message, ignoring message\n");
break;
case NR_UL_CCCH_MessageType__c1_PR_rrcSetupRequest:
LOG_D(NR_RRC, "Received RRCSetupRequest on UL-CCCH-Message (UE rnti %04x)\n", ul_rrc->crnti);
rrc_handle_RRCSetupRequest(rrc, &ul_ccch_msg->message.choice.c1->choice.rrcSetupRequest->rrcSetupRequest, ul_rrc);
break;
case NR_UL_CCCH_MessageType__c1_PR_rrcResumeRequest:
LOG_E(NR_RRC, "Received rrcResumeRequest message, but handling is not implemented\n");
break;
case NR_UL_CCCH_MessageType__c1_PR_rrcReestablishmentRequest: {
LOG_D(NR_RRC, "Received RRCReestablishmentRequest on UL-CCCH-Message (UE RNTI %04x)\n", ul_rrc->crnti);
rrc_handle_RRCReestablishmentRequest(
rrc,
&ul_ccch_msg->message.choice.c1->choice.rrcReestablishmentRequest->rrcReestablishmentRequest,
ul_rrc);
} break;
case NR_UL_CCCH_MessageType__c1_PR_rrcSystemInfoRequest:
LOG_I(NR_RRC, "UE %04x receive rrcSystemInfoRequest message \n", ul_rrc->crnti);
/* TODO */
break;
default:
LOG_E(NR_RRC, "UE %04x Unknown message\n", ul_rrc->crnti);
break;
}
}
nr_rrc_gNB_decode_ccch(i, ul_rrc);
ASN_STRUCT_FREE(asn_DEF_NR_UL_CCCH_Message, ul_ccch_msg);
if (ul_rrc->rrc_container)
free(ul_rrc->rrc_container);