Commit ec48bb89 authored by heshanyun's avatar heshanyun

implement rrcReestablishmentComplete

parent 547d7b01
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......@@ -379,6 +379,8 @@ typedef struct gNB_RRC_UE_s {
uint32_t ue_reestablishment_timer_thres;
uint8_t e_rab_release_command_flag;
uint8_t pdu_session_release_command_flag;
uint32_t ue_rrc_inactivity_timer;
int8_t reestablishment_xid;
//------------------------------------------------------------------------------//
NR_CellGroupId_t cellGroupId;
struct NR_SpCellConfig *spCellConfig;
......
......@@ -906,6 +906,253 @@ rrc_gNB_process_RRCReconfigurationComplete(
ue_context_pP->ue_context.DRB_Release_configList2[xid] = NULL;
}
}
//-----------------------------------------------------------------------------
void
rrc_gNB_process_RRCConnectionReestablishmentComplete(
const protocol_ctxt_t *const ctxt_pP,
const rnti_t reestablish_rnti,
rrc_gNB_ue_context_t *ue_context_pP,
const uint8_t xid
)
//-----------------------------------------------------------------------------
{
LOG_I(NR_RRC,
PROTOCOL_RRC_CTXT_UE_FMT" [RAPROC] Logical Channel UL-DCCH, processing NR_RRCConnectionReestablishmentComplete from UE (SRB1 Active)\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP));
NR_DRB_ToAddModList_t *DRB_configList = ue_context_pP->ue_context.DRB_configList;
NR_SRB_ToAddModList_t *SRB_configList = ue_context_pP->ue_context.SRB_configList;
NR_SRB_ToAddModList_t **SRB_configList2 = NULL;
NR_DRB_ToAddModList_t **DRB_configList2 = NULL;
NR_SRB_ToAddMod_t *SRB2_config = NULL;
NR_DRB_ToAddMod_t *DRB_config = NULL;
//NR_SDAP_Config_t *sdap_config = NULL;
int i = 0;
uint8_t buffer[RRC_BUF_SIZE];
uint16_t size;
uint8_t next_xid = rrc_gNB_get_next_transaction_identifier(ctxt_pP->module_id);
int ret = 0;
ue_context_pP->ue_context.Status = RRC_CONNECTED;
ue_context_pP->ue_context.ue_rrc_inactivity_timer = 1; // set rrc inactivity when UE goes into RRC_CONNECTED
ue_context_pP->ue_context.reestablishment_xid = next_xid;
SRB_configList2 = &ue_context_pP->ue_context.SRB_configList2[xid];
// get old configuration of SRB2
if (*SRB_configList2 != NULL) {
if((*SRB_configList2)->list.count!=0) {
LOG_D(NR_RRC, "SRB_configList2(%p) count is %d\n SRB_configList2->list.array[0] addr is %p",
SRB_configList2, (*SRB_configList2)->list.count, (*SRB_configList2)->list.array[0]);
}
for (i = 0; (i < (*SRB_configList2)->list.count) && (i < 3); i++) {
if ((*SRB_configList2)->list.array[i]->srb_Identity == 2 ) {
LOG_D(NR_RRC, "get SRB2_config from (ue_context_pP->ue_context.SRB_configList2[%d])\n", xid);
SRB2_config = (*SRB_configList2)->list.array[i];
break;
}
}
}
SRB_configList2 = &(ue_context_pP->ue_context.SRB_configList2[next_xid]);
DRB_configList2 = &(ue_context_pP->ue_context.DRB_configList2[next_xid]);
if (*SRB_configList2) {
free(*SRB_configList2);
LOG_D(NR_RRC, "free(ue_context_pP->ue_context.SRB_configList2[%d])\n", next_xid);
}
*SRB_configList2 = CALLOC(1, sizeof(**SRB_configList2));
if (SRB2_config != NULL) {
// Add SRB2 to SRB configuration list
ASN_SEQUENCE_ADD(&SRB_configList->list, SRB2_config);
ASN_SEQUENCE_ADD(&(*SRB_configList2)->list, SRB2_config);
LOG_D(NR_RRC, "Add SRB2_config (srb_Identity:%ld) to ue_context_pP->ue_context.SRB_configList\n",
SRB2_config->srb_Identity);
LOG_D(NR_RRC, "Add SRB2_config (srb_Identity:%ld) to ue_context_pP->ue_context.SRB_configList2[%d]\n",
SRB2_config->srb_Identity, next_xid);
} else {
// SRB configuration list only contains SRB1.
LOG_W(NR_RRC,"SRB2 configuration does not exist in SRB configuration list\n");
}
if (*DRB_configList2) {
free(*DRB_configList2);
LOG_D(NR_RRC, "free(ue_context_pP->ue_context.DRB_configList2[%d])\n", next_xid);
}
*DRB_configList2 = CALLOC(1, sizeof(**DRB_configList2));
if (DRB_configList != NULL) {
LOG_D(NR_RRC, "get DRB_config from (ue_context_pP->ue_context.DRB_configList)\n");
for (i = 0; (i < DRB_configList->list.count) && (i < 3); i++) {
DRB_config = DRB_configList->list.array[i];
// Add DRB to DRB configuration list, for LTE_RRCConnectionReconfigurationComplete
ASN_SEQUENCE_ADD(&(*DRB_configList2)->list, DRB_config);
}
}
ue_context_pP->ue_context.Srb1.Active = 1;
//ue_context_pP->ue_context.Srb2.Srb_info.Srb_id = 2;
if (AMF_MODE_ENABLED) {
hashtable_rc_t h_rc;
int j;
rrc_ue_ngap_ids_t *rrc_ue_ngap_ids_p = NULL;
uint16_t ue_initial_id = ue_context_pP->ue_context.ue_initial_id;
uint32_t gNB_ue_ngap_id = ue_context_pP->ue_context.gNB_ue_ngap_id;
gNB_RRC_INST *rrc_instance_p = RC.nrrrc[GNB_INSTANCE_TO_MODULE_ID(ctxt_pP->instance)];
if (gNB_ue_ngap_id > 0) {
h_rc = hashtable_get(rrc_instance_p->ngap_id2_ngap_ids, (hash_key_t)gNB_ue_ngap_id, (void **)&rrc_ue_ngap_ids_p);
if (h_rc == HASH_TABLE_OK) {
rrc_ue_ngap_ids_p->ue_rnti = ctxt_pP->rnti;
}
}
if (ue_initial_id != 0) {
h_rc = hashtable_get(rrc_instance_p->initial_id2_ngap_ids, (hash_key_t)ue_initial_id, (void **)&rrc_ue_ngap_ids_p);
if (h_rc == HASH_TABLE_OK) {
rrc_ue_ngap_ids_p->ue_rnti = ctxt_pP->rnti;
}
}
gtpv1u_gnb_create_tunnel_req_t create_tunnel_req;
/* Save e RAB information for later */
memset(&create_tunnel_req, 0, sizeof(create_tunnel_req));
for ( j = 0, i = 0; i < NB_RB_MAX; i++) {
if (ue_context_pP->ue_context.pdusession[i].status == PDU_SESSION_STATUS_ESTABLISHED || ue_context_pP->ue_context.pdusession[i].status == PDU_SESSION_STATUS_DONE) {
create_tunnel_req.pdusession_id[j] = ue_context_pP->ue_context.pdusession[i].param.pdusession_id;
create_tunnel_req.upf_NGu_teid[j] = ue_context_pP->ue_context.pdusession[i].param.gtp_teid;
memcpy(create_tunnel_req.upf_addr[j].buffer,
ue_context_pP->ue_context.pdusession[i].param.upf_addr.buffer,
sizeof(uint8_t)*20);
create_tunnel_req.upf_addr[j].length = ue_context_pP->ue_context.pdusession[i].param.upf_addr.length;
j++;
}
}
create_tunnel_req.rnti = ctxt_pP->rnti; // warning put zero above
create_tunnel_req.num_tunnels = j;
ret = gtpv1u_update_ngu_tunnel(
ctxt_pP->instance,
&create_tunnel_req,
reestablish_rnti);
if ( ret != 0 ) {
LOG_E(RRC,"gtpv1u_update_ngu_tunnel failed,start to release UE %x\n",reestablish_rnti);
// update s1u tunnel failed,reset rnti?
if (gNB_ue_ngap_id > 0) {
h_rc = hashtable_get(rrc_instance_p->ngap_id2_ngap_ids, (hash_key_t)gNB_ue_ngap_id, (void **)&rrc_ue_ngap_ids_p);
if (h_rc == HASH_TABLE_OK ) {
rrc_ue_ngap_ids_p->ue_rnti = reestablish_rnti;
}
}
if (ue_initial_id != 0) {
h_rc = hashtable_get(rrc_instance_p->initial_id2_ngap_ids, (hash_key_t)ue_initial_id, (void **)&rrc_ue_ngap_ids_p);
if (h_rc == HASH_TABLE_OK ) {
rrc_ue_ngap_ids_p->ue_rnti = reestablish_rnti;
}
}
ue_context_pP->ue_context.ue_release_timer_s1 = 1;
ue_context_pP->ue_context.ue_release_timer_thres_s1 = 100;
ue_context_pP->ue_context.ue_release_timer = 0;
ue_context_pP->ue_context.ue_reestablishment_timer = 0;
ue_context_pP->ue_context.ul_failure_timer = 20000; // set ul_failure to 20000 for triggering rrc_eNB_send_S1AP_UE_CONTEXT_RELEASE_REQ
ue_context_pP->ue_context.ul_failure_timer = 0;
return;
}
} /* AMF_MODE_ENABLED */
/* Update RNTI in ue_context */
ue_context_pP->ue_id_rnti = ctxt_pP->rnti; // here ue_id_rnti is just a key, may be something else
ue_context_pP->ue_context.rnti = ctxt_pP->rnti;
if (AMF_MODE_ENABLED) {
uint8_t send_security_mode_command = FALSE;
nr_rrc_pdcp_config_security(
ctxt_pP,
ue_context_pP,
send_security_mode_command);
LOG_D(NR_RRC, "set security successfully \n");
}
/* Add all NAS PDUs to the list */
for (i = 0; i < ue_context_pP->ue_context.nb_of_pdusessions; i++) {
/* TODO parameters yet to process ... */
/* TODO should test if pdu session are Ok before! */
ue_context_pP->ue_context.pdusession[i].status = PDU_SESSION_STATUS_DONE;
ue_context_pP->ue_context.pdusession[i].xid = xid;
LOG_D(NR_RRC, "setting the status for the default DRB (index %d) to (%d,%s)\n",
i, ue_context_pP->ue_context.pdusession[i].status, "PDU_SESSION_STATUS_DONE");
}
memset(buffer, 0, RRC_BUF_SIZE);
size = do_RRCReconfiguration(ctxt_pP, buffer,
xid,
*SRB_configList2,
DRB_configList,
NULL,
NULL,
NULL,
NULL, // MeasObj_list,
NULL,
NULL);
LOG_DUMPMSG(NR_RRC,DEBUG_RRC,(char *)buffer,size,
"[MSG] RRC Connection Reconfiguration\n");
/* Free all NAS PDUs */
for (i = 0; i < ue_context_pP->ue_context.nb_of_pdusessions; i++) {
if (ue_context_pP->ue_context.pdusession[i].param.nas_pdu.buffer != NULL) {
/* Free the NAS PDU buffer and invalidate it */
free(ue_context_pP->ue_context.pdusession[i].param.nas_pdu.buffer);
ue_context_pP->ue_context.pdusession[i].param.nas_pdu.buffer = NULL;
}
}
if(size==65535) {
LOG_E(NR_RRC,"RRC decode err!!! do_RRCConnectionReconfiguration\n");
return;
} else {
LOG_I(NR_RRC,
"[gNB %d] Frame %d, Logical Channel DL-DCCH, Generate NR_RRCConnectionReconfiguration (bytes %d, UE id %x)\n",
ctxt_pP->module_id, ctxt_pP->frame, size, ue_context_pP->ue_context.rnti);
LOG_D(NR_RRC,
"[FRAME %05d][RRC_gNB][MOD %u][][--- PDCP_DATA_REQ/%d Bytes (rrcConnectionReconfiguration to UE %x MUI %d) --->][PDCP][MOD %u][RB %u]\n",
ctxt_pP->frame, ctxt_pP->module_id, size, ue_context_pP->ue_context.rnti, rrc_gNB_mui, ctxt_pP->module_id, DCCH);
MSC_LOG_TX_MESSAGE(
MSC_RRC_GNB,
MSC_RRC_UE,
buffer,
size,
MSC_AS_TIME_FMT" LTE_RRCConnectionReconfiguration UE %x MUI %d size %u",
MSC_AS_TIME_ARGS(ctxt_pP),
ue_context_pP->ue_context.rnti,
rrc_gNB_mui,
size);
nr_rrc_data_req(
ctxt_pP,
DCCH,
rrc_gNB_mui++,
SDU_CONFIRM_NO,
size,
buffer,
PDCP_TRANSMISSION_MODE_CONTROL);
}
}
//-----------------------------------------------------------------------------
/*------------------------------------------------------------------------------*/
......@@ -1522,6 +1769,77 @@ rrc_gNB_decode_dcch(
rrc_gNB_generate_defaultRRCReconfiguration(ctxt_pP, ue_context_p);
break;
case NR_UL_DCCH_MessageType__c1_PR_rrcReestablishmentComplete:
LOG_DUMPMSG(NR_RRC,DEBUG_RRC,(char *)Rx_sdu,sdu_sizeP,
"[MSG] NR_RRC Connection Reestablishment Complete\n");
MSC_LOG_RX_MESSAGE(
MSC_RRC_GNB,
MSC_RRC_UE,
Rx_sdu,
sdu_sizeP,
MSC_AS_TIME_FMT" NR_RRCConnectionReestablishmentComplete UE %x size %u",
MSC_AS_TIME_ARGS(ctxt_pP),
ue_context_p->ue_context.rnti,
sdu_sizeP);
LOG_I(NR_RRC,
PROTOCOL_RRC_CTXT_UE_FMT" RLC RB %02d --- RLC_DATA_IND %d bytes "
"(rrcConnectionReestablishmentComplete) ---> RRC_gNB\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
DCCH,
sdu_sizeP);
{
rnti_t reestablish_rnti = 0;
// select C-RNTI from map
for (i = 0; i < MAX_MOBILES_PER_ENB; i++) {
if (reestablish_rnti_map[i][0] == ctxt_pP->rnti) {
reestablish_rnti = reestablish_rnti_map[i][1];
ue_context_p = rrc_gNB_get_ue_context(
RC.nrrrc[ctxt_pP->module_id],
reestablish_rnti);
// clear currentC-RNTI from map
reestablish_rnti_map[i][0] = 0;
reestablish_rnti_map[i][1] = 0;
LOG_D(NR_RRC, "reestablish_rnti_map[%d] [0] %x, [1] %x\n",
i, reestablish_rnti_map[i][0], reestablish_rnti_map[i][1]);
break;
}
}
if (!ue_context_p) {
LOG_E(NR_RRC,
PROTOCOL_RRC_CTXT_UE_FMT" NR_RRCConnectionReestablishmentComplete without UE context, falt\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP));
break;
}
//clear
int UE_id = find_UE_id(ctxt_pP->module_id, ctxt_pP->rnti);
if(UE_id == -1) {
LOG_E(NR_RRC,
PROTOCOL_RRC_CTXT_UE_FMT" NR_RRCConnectionReestablishmentComplete without UE_id(MAC) rnti %x, fault\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),ctxt_pP->rnti);
break;
}
RC.mac[ctxt_pP->module_id]->UE_info.UE_sched_ctrl[UE_id].ue_reestablishment_reject_timer = 0;
ue_context_p->ue_context.reestablishment_xid = -1;
if (ul_dcch_msg->message.choice.c1->choice.rrcReestablishmentComplete->criticalExtensions.present ==
NR_RRCReestablishmentComplete__criticalExtensions_PR_rrcReestablishmentComplete) {
rrc_gNB_process_RRCConnectionReestablishmentComplete(ctxt_pP, reestablish_rnti, ue_context_p,
ul_dcch_msg->message.choice.c1->choice.rrcReestablishmentComplete->rrc_TransactionIdentifier);
}
//ue_context_p->ue_context.ue_release_timer = 0;
ue_context_p->ue_context.ue_reestablishment_timer = 1;
// remove UE after 100 frames after LTE_RRCConnectionReestablishmentRelease is triggered
ue_context_p->ue_context.ue_reestablishment_timer_thres = 1000;
}
break;
default:
break;
}
......
......@@ -156,4 +156,11 @@ rrc_gNB_send_NGAP_PDUSESSION_RELEASE_RESPONSE(
uint8_t xid
);
void
nr_rrc_pdcp_config_security(
const protocol_ctxt_t *const ctxt_pP,
rrc_gNB_ue_context_t *const ue_context_pP,
const uint8_t send_security_mode_command
);
#endif
......@@ -551,6 +551,96 @@ gtpv1u_create_ngu_tunnel(
return ret;
}
int gtpv1u_update_ngu_tunnel(
const instance_t instanceP,
const gtpv1u_gnb_create_tunnel_req_t *const create_tunnel_req_pP,
const rnti_t prior_rnti
) {
/* Local tunnel end-point identifier */
teid_t ngu_teid = 0;
nr_gtpv1u_teid_data_t *gtpv1u_teid_data_p = NULL;
nr_gtpv1u_ue_data_t *gtpv1u_ue_data_p = NULL;
nr_gtpv1u_ue_data_t *gtpv1u_ue_data_new_p = NULL;
//MessageDef *message_p = NULL;
hashtable_rc_t hash_rc = HASH_TABLE_KEY_NOT_EXISTS;
int i,j;
uint8_t bearers_num = 0,bearers_total = 0;
//-----------------------
// PDCP->GTPV1U mapping
//-----------------------
hash_rc = hashtable_get(RC.nr_gtpv1u_data_g->ue_mapping, prior_rnti, (void **)&gtpv1u_ue_data_p);
if(hash_rc != HASH_TABLE_OK) {
LOG_E(GTPU,"Error get ue_mapping(rnti=%x) from GTPV1U hashtable error\n", prior_rnti);
return -1;
}
gtpv1u_ue_data_new_p = calloc (1, sizeof(nr_gtpv1u_ue_data_t));
memcpy(gtpv1u_ue_data_new_p,gtpv1u_ue_data_p,sizeof(nr_gtpv1u_ue_data_t));
gtpv1u_ue_data_new_p->ue_id = create_tunnel_req_pP->rnti;
hash_rc = hashtable_insert(RC.nr_gtpv1u_data_g->ue_mapping, create_tunnel_req_pP->rnti, gtpv1u_ue_data_new_p);
//AssertFatal(hash_rc == HASH_TABLE_OK, "Error inserting ue_mapping in GTPV1U hashtable");
if ( hash_rc != HASH_TABLE_OK ) {
LOG_E(GTPU,"Failed to insert ue_mapping(rnti=%x) in GTPV1U hashtable\n",create_tunnel_req_pP->rnti);
return -1;
} else {
LOG_I(GTPU, "inserting ue_mapping(rnti=%x) in GTPV1U hashtable\n",
create_tunnel_req_pP->rnti);
}
hash_rc = hashtable_remove(RC.nr_gtpv1u_data_g->ue_mapping, prior_rnti);
LOG_I(GTPU, "hashtable_remove ue_mapping(rnti=%x) in GTPV1U hashtable\n",
prior_rnti);
//-----------------------
// GTPV1U->PDCP mapping
//-----------------------
bearers_total =gtpv1u_ue_data_new_p->num_bearers;
for(j = 0; j<GTPV1U_MAX_BEARERS_ID; j++) {
if(gtpv1u_ue_data_new_p->bearers[j].state != BEARER_IN_CONFIG)
continue;
bearers_num++;
for (i = 0; i < create_tunnel_req_pP->num_tunnels; i++) {
if(j == (create_tunnel_req_pP->pdusession_id[i]-GTPV1U_BEARER_OFFSET))
break;
}
if(i < create_tunnel_req_pP->num_tunnels) {
ngu_teid = gtpv1u_ue_data_new_p->bearers[j].teid_gNB;
hash_rc = hashtable_get(RC.nr_gtpv1u_data_g->teid_mapping, ngu_teid, (void **)&gtpv1u_teid_data_p);
if (hash_rc == HASH_TABLE_OK) {
gtpv1u_teid_data_p->ue_id = create_tunnel_req_pP->rnti;
gtpv1u_teid_data_p->pdu_session_id = create_tunnel_req_pP->pdusession_id[i];
LOG_I(GTPU, "updata teid_mapping te_id %u (prior_rnti %x rnti %x) in GTPV1U hashtable\n",
ngu_teid,prior_rnti,create_tunnel_req_pP->rnti);
} else {
LOG_W(GTPU, "Error get teid mapping(s1u_teid=%u) from GTPV1U hashtable", ngu_teid);
}
} else {
ngu_teid = gtpv1u_ue_data_new_p->bearers[j].teid_gNB;
hash_rc = hashtable_remove(RC.nr_gtpv1u_data_g->teid_mapping, ngu_teid);
if (hash_rc != HASH_TABLE_OK) {
LOG_D(GTPU, "Removed user rnti %x , enb S1U teid %u not found\n", prior_rnti, ngu_teid);
}
gtpv1u_ue_data_new_p->bearers[j].state = BEARER_DOWN;
gtpv1u_ue_data_new_p->num_bearers--;
LOG_I(GTPU, "delete teid_mapping te_id %u (rnti%x) bearer_id %d in GTPV1U hashtable\n",
ngu_teid,prior_rnti,j+GTPV1U_BEARER_OFFSET);;
}
if(bearers_num > bearers_total)
break;
}
return 0;
}
//-----------------------------------------------------------------------------
int gtpv1u_delete_ngu_tunnel(
const instance_t instanceP,
......
......@@ -40,5 +40,12 @@ gtpv1u_create_ngu_tunnel(
const gtpv1u_gnb_create_tunnel_req_t * const create_tunnel_req_pP,
gtpv1u_gnb_create_tunnel_resp_t * const create_tunnel_resp_pP);
int
gtpv1u_update_ngu_tunnel(
const instance_t instanceP,
const gtpv1u_gnb_create_tunnel_req_t *const create_tunnel_req_pP,
const rnti_t prior_rnti
);
#endif /* GTPV1U_GNB_TASK_H_ */
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