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NR RRC - RRCReestablishment - Fix MultiplePDU Regression

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Simplify RRCReestablishmentComplete procedure with respective function,
removed the block that updates NGU Tunnels and created a function, with doxygen
This commit is contained in:
Angelo Athanassopoulos
2023-04-04 14:05:04 +02:00
parent bf844247bf
commit a3c13fdc71
1 changed files with 49 additions and 36 deletions
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openair2/RRC/NR/rrc_gNB.c
+49 -36
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@@ -1284,6 +1284,54 @@ void rrc_gNB_generate_RRCReestablishment(const protocol_ctxt_t *ctxt_pP,
* Handle RRC Reestablishment Complete Functions
*/
/// @brief Function used in RRCReestablishmentComplete procedure to update the NGU Tunnels.
/// @param reestablish_rnti is the old C-RNTI
void RRCReestablishmentComplete_update_ngu_tunnel(const protocol_ctxt_t *const ctxt_pP,
rrc_gNB_ue_context_t *ue_context_pP,
const rnti_t reestablish_rnti)
{
gNB_RRC_UE_t *ue_p = &ue_context_pP->ue_context;
int i = 0;
int j = 0;
int ret = 0;
if (get_softmodem_params()->sa) {
LOG_W(NR_RRC, "RRC Reestablishment - Rework identity mapping need to be done properly!\n");
gtpv1u_gnb_create_tunnel_req_t create_tunnel_req={0};
/* Save e RAB information for later */
for (j = 0, i = 0; i < NB_RB_MAX; i++) {
if (ue_p->pduSession[i].status == PDU_SESSION_STATUS_ESTABLISHED || ue_p->pduSession[i].status == PDU_SESSION_STATUS_DONE) {
create_tunnel_req.pdusession_id[j] = ue_p->pduSession[i].param.pdusession_id;
create_tunnel_req.incoming_rb_id[j] = i+1;
create_tunnel_req.outgoing_teid[j] = ue_p->pduSession[i].param.gtp_teid;
// to be developped, use the first QFI only
create_tunnel_req.outgoing_qfi[j] = ue_p->pduSession[i].param.qos[0].qfi;
memcpy(create_tunnel_req.dst_addr[j].buffer, ue_p->pduSession[i].param.upf_addr.buffer, sizeof(uint8_t) * 20);
create_tunnel_req.dst_addr[j].length = ue_p->pduSession[i].param.upf_addr.length;
j++;
}
}
create_tunnel_req.ue_id = ctxt_pP->rntiMaybeUEid; // 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(NR_RRC, "RRC Reestablishment - gtpv1u_update_ngu_tunnel failed,start to release UE %x\n", reestablish_rnti);
ue_p->ue_release_timer_s1 = 1;
ue_p->ue_release_timer_thres_s1 = 100;
ue_p->ue_release_timer = 0;
ue_p->ue_reestablishment_timer = 0;
ue_p->ul_failure_timer = 20000; // set ul_failure to 20000 for triggering rrc_eNB_send_S1AP_UE_CONTEXT_RELEASE_REQ
ue_p->ul_failure_timer = 0;
return;
}
}
}
/// @brief Function used in RRCReestablishmentComplete procedure to update the NAS PDUSessions and the xid.
/// @param old_xid Refers to the old transaction identifier passed to rrc_gNB_process_RRCReestablishmentComplete as xid.
/// @todo parameters yet to process inside the for loop.
@@ -1405,42 +1453,7 @@ void rrc_gNB_process_RRCReestablishmentComplete(const protocol_ctxt_t *const ctx
ue_p->Srb[1].Active = 1;
if (get_softmodem_params()->sa) {
LOG_W(NR_RRC, "Rework identity mapping need to be done properly!\n");
gtpv1u_gnb_create_tunnel_req_t create_tunnel_req={0};
/* Save e RAB information for later */
int j;
for (j = 0, i = 0; i < NB_RB_MAX; i++) {
if (ue_p->pduSession[i].status == PDU_SESSION_STATUS_ESTABLISHED || ue_p->pduSession[i].status == PDU_SESSION_STATUS_DONE) {
create_tunnel_req.pdusession_id[j] = ue_p->pduSession[i].param.pdusession_id;
create_tunnel_req.incoming_rb_id[j] = i+1;
create_tunnel_req.outgoing_teid[j] = ue_p->pduSession[i].param.gtp_teid;
// to be developped, use the first QFI only
create_tunnel_req.outgoing_qfi[j] = ue_p->pduSession[i].param.qos[0].qfi;
memcpy(create_tunnel_req.dst_addr[j].buffer, ue_p->pduSession[i].param.upf_addr.buffer, sizeof(uint8_t) * 20);
create_tunnel_req.dst_addr[j].length = ue_p->pduSession[i].param.upf_addr.length;
j++;
}
}
create_tunnel_req.ue_id = ctxt_pP->rntiMaybeUEid; // 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(NR_RRC, "gtpv1u_update_ngu_tunnel failed,start to release UE %x\n", reestablish_rnti);
ue_p->ue_release_timer_s1 = 1;
ue_p->ue_release_timer_thres_s1 = 100;
ue_p->ue_release_timer = 0;
ue_p->ue_reestablishment_timer = 0;
ue_p->ul_failure_timer = 20000; // set ul_failure to 20000 for triggering rrc_eNB_send_S1AP_UE_CONTEXT_RELEASE_REQ
ue_p->ul_failure_timer = 0;
return;
}
}
RRCReestablishmentComplete_update_ngu_tunnel(ctxt_pP, ue_context_pP, reestablish_rnti);
RRCReestablishmentComplete_nas_pdu_update(ue_context_pP, xid);
/* Update RNTI in ue_context */