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Implement F1 UE Ctxt Modif Transmission Action Indicator

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Implement the Transmission Action Indicator F1AP forwarding logic, and
add it to the F1 internal representation structure. After the
transmission interrupt timer (during which SRB1 can send messages), the
UE will be out-of-sync (we assume it's not there anymore).

Co-authored-by: batuhanduyuler <batuhan.duyuler@firecell.io>
Co-authored-by: rmagueta <rmagueta@allbesmart.pt>
This commit is contained in:
Robert Schmidt
2024-10-22 18:12:50 +02:00
co-authored by batuhanduyuler rmagueta
parent d70561d509
commit 004403c84d
8 changed files with 50 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair2/F1AP/f1ap_cu_ue_context_management.c
+5 -2
View File
@@ -1023,12 +1023,15 @@ int CU_send_UE_CONTEXT_MODIFICATION_REQUEST(sctp_assoc_t assoc_id, f1ap_ue_conte
/* optional */
/* c7. TransmissionActionIndicator */
if (0) {
if (f1ap_ue_context_modification_req->transm_action_ind != NULL) {
asn1cSequenceAdd(out->protocolIEs.list, F1AP_UEContextModificationRequestIEs_t, ie7);
ie7->id = F1AP_ProtocolIE_ID_id_TransmissionActionIndicator;
ie7->criticality = F1AP_Criticality_ignore;
ie7->value.present = F1AP_UEContextModificationRequestIEs__value_PR_TransmissionActionIndicator;
ie7->value.choice.TransmissionActionIndicator = F1AP_TransmissionActionIndicator_stop;
ie7->value.choice.TransmissionActionIndicator = *f1ap_ue_context_modification_req->transm_action_ind;
// Stop is guaranteed to be 0, by restart might be different from 1
static_assert((int)F1AP_TransmissionActionIndicator_restart == (int)TransmActionInd_RESTART,
"mismatch of ASN.1 and internal representation\n");
}
/* optional */
openair2/F1AP/f1ap_du_ue_context_management.c
+15
View File
@@ -911,6 +911,21 @@ int DU_handle_UE_CONTEXT_MODIFICATION_REQUEST(instance_t instance, sctp_assoc_t
F1AP_FIND_PROTOCOLIE_BY_ID(F1AP_UEContextModificationRequestIEs_t, ieSrb, container,
F1AP_ProtocolIE_ID_id_SRBs_ToBeSetupMod_List, false);
F1AP_UEContextModificationRequestIEs_t *ieTxInd;
F1AP_FIND_PROTOCOLIE_BY_ID(F1AP_UEContextModificationRequestIEs_t,
ieTxInd,
container,
F1AP_ProtocolIE_ID_id_TransmissionActionIndicator,
false);
if (ieTxInd != NULL) {
f1ap_ue_context_modification_req->transm_action_ind = calloc_or_fail(1, sizeof(*f1ap_ue_context_modification_req->transm_action_ind));
*f1ap_ue_context_modification_req->transm_action_ind = ieTxInd->value.choice.TransmissionActionIndicator;
// Stop is guaranteed to be 0, by restart might be different from 1
static_assert((int)F1AP_TransmissionActionIndicator_restart == (int)TransmActionInd_RESTART,
"mismatch of ASN.1 and internal representation\n");
}
if(ieSrb != NULL) {
f1ap_ue_context_modification_req->srbs_to_be_setup_length = ieSrb->value.choice.SRBs_ToBeSetupMod_List.list.count;
f1ap_ue_context_modification_req->srbs_to_be_setup = calloc(f1ap_ue_context_modification_req->srbs_to_be_setup_length,