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Multiple DRBs - RRC - Added function for DRB creation

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This commit is contained in:
Angelo Athanassopoulos
2022-09-28 11:16:51 +02:00
parent 52f52c748a
commit f59c47c404
2 changed files with 116 additions and 88 deletions
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openair2/RRC/NR/nr_rrc_defs.h
+1
View File
@@ -93,6 +93,7 @@
#define NR_UE_MODULE_INVALID ((module_id_t) ~0) // FIXME attention! depends on type uint8_t!!!
#define NR_UE_INDEX_INVALID ((module_id_t) ~0) // FIXME attention! depends on type uint8_t!!! used to be -1
#define MAX_DRB_PER_PDUSESSION 4
typedef enum {
NR_RRC_OK=0,
openair2/RRC/NR/rrc_gNB.c
+115 -88
View File
@@ -755,6 +755,87 @@ rrc_gNB_generate_defaultRRCReconfiguration(
}
}
NR_DRB_ToAddMod_t *generateDRB(rrc_gNB_ue_context_t *ue_context_pP,
int iter,
long drb_id,
boolean_t enable_sdap,
int do_drb_integrity,
int do_drb_ciphering)
{
NR_DRB_ToAddMod_t *DRB_config = NULL;
NR_SDAP_Config_t *SDAP_config = NULL;
DRB_config = CALLOC(1, sizeof(*DRB_config));
DRB_config->drb_Identity = drb_id;
DRB_config->cnAssociation = CALLOC(1, sizeof(*DRB_config->cnAssociation));
DRB_config->cnAssociation->present = NR_DRB_ToAddMod__cnAssociation_PR_sdap_Config;
/* SDAP Configuration */
SDAP_config = CALLOC(1, sizeof(NR_SDAP_Config_t));
memset(SDAP_config, 0, sizeof(NR_SDAP_Config_t));
SDAP_config->mappedQoS_FlowsToAdd = calloc(1, sizeof(struct NR_SDAP_Config__mappedQoS_FlowsToAdd));
memset(SDAP_config->mappedQoS_FlowsToAdd, 0, sizeof(struct NR_SDAP_Config__mappedQoS_FlowsToAdd));
SDAP_config->pdu_Session = ue_context_pP->ue_context.pduSession[iter].param.pdusession_id;
if (enable_sdap) {
SDAP_config->sdap_HeaderDL = NR_SDAP_Config__sdap_HeaderDL_present;
SDAP_config->sdap_HeaderUL = NR_SDAP_Config__sdap_HeaderUL_present;
} else {
SDAP_config->sdap_HeaderDL = NR_SDAP_Config__sdap_HeaderDL_absent;
SDAP_config->sdap_HeaderUL = NR_SDAP_Config__sdap_HeaderUL_absent;
}
SDAP_config->defaultDRB = true;
for (int qos_flow_index = 0; qos_flow_index < ue_context_pP->ue_context.pduSession[iter].param.nb_qos; qos_flow_index++)
{
NR_QFI_t *qfi = calloc(1, sizeof(NR_QFI_t));
*qfi = ue_context_pP->ue_context.pduSession[iter].param.qos[qos_flow_index].qfi;
ASN_SEQUENCE_ADD(&SDAP_config->mappedQoS_FlowsToAdd->list, qfi);
}
SDAP_config->mappedQoS_FlowsToRelease = NULL;
DRB_config->cnAssociation->choice.sdap_Config = SDAP_config;
/* PDCP Configuration */
DRB_config->reestablishPDCP = NULL;
DRB_config->recoverPDCP = NULL;
DRB_config->pdcp_Config = calloc(1, sizeof(*DRB_config->pdcp_Config));
DRB_config->pdcp_Config->drb = calloc(1,sizeof(*DRB_config->pdcp_Config->drb));
DRB_config->pdcp_Config->drb->discardTimer = calloc(1, sizeof(*DRB_config->pdcp_Config->drb->discardTimer));
*DRB_config->pdcp_Config->drb->discardTimer = NR_PDCP_Config__drb__discardTimer_infinity;
DRB_config->pdcp_Config->drb->pdcp_SN_SizeUL = calloc(1, sizeof(*DRB_config->pdcp_Config->drb->pdcp_SN_SizeUL));
*DRB_config->pdcp_Config->drb->pdcp_SN_SizeUL = NR_PDCP_Config__drb__pdcp_SN_SizeUL_len18bits;
DRB_config->pdcp_Config->drb->pdcp_SN_SizeDL = calloc(1, sizeof(*DRB_config->pdcp_Config->drb->pdcp_SN_SizeDL));
*DRB_config->pdcp_Config->drb->pdcp_SN_SizeDL = NR_PDCP_Config__drb__pdcp_SN_SizeDL_len18bits;
DRB_config->pdcp_Config->drb->headerCompression.present = NR_PDCP_Config__drb__headerCompression_PR_notUsed;
DRB_config->pdcp_Config->drb->headerCompression.choice.notUsed = 0;
DRB_config->pdcp_Config->drb->integrityProtection = NULL;
DRB_config->pdcp_Config->drb->statusReportRequired = NULL;
DRB_config->pdcp_Config->drb->outOfOrderDelivery = NULL;
DRB_config->pdcp_Config->moreThanOneRLC = NULL;
DRB_config->pdcp_Config->t_Reordering = calloc(1, sizeof(*DRB_config->pdcp_Config->t_Reordering));
*DRB_config->pdcp_Config->t_Reordering = NR_PDCP_Config__t_Reordering_ms0;
DRB_config->pdcp_Config->ext1 = NULL;
if (do_drb_integrity) {
DRB_config->pdcp_Config->drb->integrityProtection = calloc(1, sizeof(*DRB_config->pdcp_Config->drb->integrityProtection));
*DRB_config->pdcp_Config->drb->integrityProtection = NR_PDCP_Config__drb__integrityProtection_enabled;
}
if (!do_drb_ciphering) {
DRB_config->pdcp_Config->ext1 = calloc(1, sizeof(*DRB_config->pdcp_Config->ext1));
DRB_config->pdcp_Config->ext1->cipheringDisabled = calloc(1, sizeof(*DRB_config->pdcp_Config->ext1->cipheringDisabled));
*DRB_config->pdcp_Config->ext1->cipheringDisabled = NR_PDCP_Config__ext1__cipheringDisabled_true;
}
return DRB_config;
}
//-----------------------------------------------------------------------------
void
rrc_gNB_generate_dedicatedRRCReconfiguration(
@@ -765,9 +846,7 @@ rrc_gNB_generate_dedicatedRRCReconfiguration(
//-----------------------------------------------------------------------------
{
gNB_RRC_INST *rrc = RC.nrrrc[ctxt_pP->module_id];
NR_DRB_ToAddMod_t *DRB_config = NULL;
NR_SRB_ToAddMod_t *SRB2_config = NULL;
NR_SDAP_Config_t *sdap_config = NULL;
NR_DRB_ToAddModList_t **DRB_configList = NULL;
NR_DRB_ToAddModList_t **DRB_configList2 = NULL;
NR_SRB_ToAddModList_t **SRB_configList2 = NULL;
@@ -823,97 +902,45 @@ rrc_gNB_generate_dedicatedRRCReconfiguration(
continue;
}
DRB_config = CALLOC(1, sizeof(*DRB_config));
DRB_config->drb_Identity = i+1;
if (drb_id_to_setup_start == 1) drb_id_to_setup_start = DRB_config->drb_Identity;
nb_drb_to_setup++;
DRB_config->cnAssociation = CALLOC(1, sizeof(*DRB_config->cnAssociation));
DRB_config->cnAssociation->present = NR_DRB_ToAddMod__cnAssociation_PR_sdap_Config;
// sdap_Config
sdap_config = CALLOC(1, sizeof(NR_SDAP_Config_t));
memset(sdap_config, 0, sizeof(NR_SDAP_Config_t));
sdap_config->pdu_Session = ue_context_pP->ue_context.pduSession[i].param.pdusession_id;
if (rrc->configuration.enable_sdap) {
sdap_config->sdap_HeaderDL = NR_SDAP_Config__sdap_HeaderDL_present;
sdap_config->sdap_HeaderUL = NR_SDAP_Config__sdap_HeaderUL_present;
} else {
sdap_config->sdap_HeaderDL = NR_SDAP_Config__sdap_HeaderDL_absent;
sdap_config->sdap_HeaderUL = NR_SDAP_Config__sdap_HeaderUL_absent;
}
sdap_config->defaultDRB = true;
sdap_config->mappedQoS_FlowsToAdd = calloc(1, sizeof(struct NR_SDAP_Config__mappedQoS_FlowsToAdd));
memset(sdap_config->mappedQoS_FlowsToAdd, 0, sizeof(struct NR_SDAP_Config__mappedQoS_FlowsToAdd));
for(long drb_id_add = 0; drb_id_add <= nb_drb_to_setup; drb_id_add++){
if(drb_id_add > MAX_DRB_PER_PDUSESSION)
break;
for (qos_flow_index = 0; qos_flow_index < ue_context_pP->ue_context.pduSession[i].param.nb_qos; qos_flow_index++) {
NR_QFI_t *qfi = calloc(1, sizeof(NR_QFI_t));
*qfi = ue_context_pP->ue_context.pduSession[i].param.qos[qos_flow_index].qfi;
ASN_SEQUENCE_ADD(&sdap_config->mappedQoS_FlowsToAdd->list, qfi);
}
sdap_config->mappedQoS_FlowsToRelease = NULL;
DRB_config->cnAssociation->choice.sdap_Config = sdap_config;
NR_DRB_ToAddMod_t *DRB_config = generateDRB(ue_context_pP,
i,
drb_id_add,
rrc->configuration.enable_sdap,
rrc->security.do_drb_integrity,
rrc->security.do_drb_ciphering);
// pdcp_Config
DRB_config->reestablishPDCP = NULL;
DRB_config->recoverPDCP = NULL;
DRB_config->pdcp_Config = calloc(1, sizeof(*DRB_config->pdcp_Config));
DRB_config->pdcp_Config->drb = calloc(1,sizeof(*DRB_config->pdcp_Config->drb));
DRB_config->pdcp_Config->drb->discardTimer = calloc(1, sizeof(*DRB_config->pdcp_Config->drb->discardTimer));
*DRB_config->pdcp_Config->drb->discardTimer = NR_PDCP_Config__drb__discardTimer_infinity;
DRB_config->pdcp_Config->drb->pdcp_SN_SizeUL = calloc(1, sizeof(*DRB_config->pdcp_Config->drb->pdcp_SN_SizeUL));
*DRB_config->pdcp_Config->drb->pdcp_SN_SizeUL = NR_PDCP_Config__drb__pdcp_SN_SizeUL_len18bits;
DRB_config->pdcp_Config->drb->pdcp_SN_SizeDL = calloc(1, sizeof(*DRB_config->pdcp_Config->drb->pdcp_SN_SizeDL));
*DRB_config->pdcp_Config->drb->pdcp_SN_SizeDL = NR_PDCP_Config__drb__pdcp_SN_SizeDL_len18bits;
DRB_config->pdcp_Config->drb->headerCompression.present = NR_PDCP_Config__drb__headerCompression_PR_notUsed;
DRB_config->pdcp_Config->drb->headerCompression.choice.notUsed = 0;
// Reference TS23501 Table 5.7.4-1: Standardized 5QI to QoS characteristics mapping
for (qos_flow_index = 0; qos_flow_index < ue_context_pP->ue_context.pduSession[i].param.nb_qos; qos_flow_index++) {
switch (ue_context_pP->ue_context.pduSession[i].param.qos[qos_flow_index].fiveQI) {
case 1: //100ms
case 2: //150ms
case 3: //50ms
case 4: //300ms
case 5: //100ms
case 6: //300ms
case 7: //100ms
case 8: //300ms
case 9: //300ms Video (Buffered Streaming)TCP-based (e.g., www, e-mail, chat, ftp, p2p file sharing, progressive video, etc.)
// TODO
break;
DRB_config->pdcp_Config->drb->integrityProtection = NULL;
DRB_config->pdcp_Config->drb->statusReportRequired = NULL;
DRB_config->pdcp_Config->drb->outOfOrderDelivery = calloc(1,sizeof(*DRB_config->pdcp_Config->drb->outOfOrderDelivery));
*DRB_config->pdcp_Config->drb->outOfOrderDelivery = NR_PDCP_Config__drb__outOfOrderDelivery_true;
DRB_config->pdcp_Config->moreThanOneRLC = NULL;
DRB_config->pdcp_Config->t_Reordering = calloc(1, sizeof(*DRB_config->pdcp_Config->t_Reordering));
*DRB_config->pdcp_Config->t_Reordering = NR_PDCP_Config__t_Reordering_ms20;
DRB_config->pdcp_Config->ext1 = NULL;
if (rrc->security.do_drb_integrity) {
DRB_config->pdcp_Config->drb->integrityProtection = calloc(1, sizeof(*DRB_config->pdcp_Config->drb->integrityProtection));
*DRB_config->pdcp_Config->drb->integrityProtection = NR_PDCP_Config__drb__integrityProtection_enabled;
}
if (!rrc->security.do_drb_ciphering) {
DRB_config->pdcp_Config->ext1 = calloc(1, sizeof(*DRB_config->pdcp_Config->ext1));
DRB_config->pdcp_Config->ext1->cipheringDisabled = calloc(1, sizeof(*DRB_config->pdcp_Config->ext1->cipheringDisabled));
*DRB_config->pdcp_Config->ext1->cipheringDisabled = NR_PDCP_Config__ext1__cipheringDisabled_true;
}
// Reference TS23501 Table 5.7.4-1: Standardized 5QI to QoS characteristics mapping
for (qos_flow_index = 0; qos_flow_index < ue_context_pP->ue_context.pduSession[i].param.nb_qos; qos_flow_index++) {
switch (ue_context_pP->ue_context.pduSession[i].param.qos[qos_flow_index].fiveQI) {
case 1: //100ms
case 2: //150ms
case 3: //50ms
case 4: //300ms
case 5: //100ms
case 6: //300ms
case 7: //100ms
case 8: //300ms
case 9: //300ms Video (Buffered Streaming)TCP-based (e.g., www, e-mail, chat, ftp, p2p file sharing, progressive video, etc.)
// TODO
break;
default:
LOG_E(NR_RRC,"not supported 5qi %lu\n", ue_context_pP->ue_context.pduSession[i].param.qos[qos_flow_index].fiveQI);
ue_context_pP->ue_context.pduSession[i].status = PDU_SESSION_STATUS_FAILED;
ue_context_pP->ue_context.pduSession[i].xid = xid;
pdu_sessions_done++;
free(DRB_config);
continue;
default:
LOG_E(NR_RRC,"not supported 5qi %lu\n", ue_context_pP->ue_context.pduSession[i].param.qos[qos_flow_index].fiveQI);
ue_context_pP->ue_context.pduSession[i].status = PDU_SESSION_STATUS_FAILED;
ue_context_pP->ue_context.pduSession[i].xid = xid;
pdu_sessions_done++;
free(DRB_config);
continue;
}
}
}
ASN_SEQUENCE_ADD(&(*DRB_configList)->list, DRB_config);
ASN_SEQUENCE_ADD(&(*DRB_configList2)->list, DRB_config);
ASN_SEQUENCE_ADD(&(*DRB_configList)->list, DRB_config);
ASN_SEQUENCE_ADD(&(*DRB_configList2)->list, DRB_config);
}
ue_context_pP->ue_context.pduSession[i].status = PDU_SESSION_STATUS_DONE;
ue_context_pP->ue_context.pduSession[i].xid = xid;