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nr: improve x2/rrc for ENDC

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This commit introduces several enhancements in X2AP and RRC to deal
with ENDC. The main goal is to deal with UE's on/off and with various
errors.

The following work is included:

    - DC prep and DC overall X2 timers
    - X2 messages for UE release and DC timers' timeout

Open problems:

    - what to do when the UE sends an scg Failure? This commit removes
      the UE. And this removal may not be correctly done
    - UE removal in the gNB's PHY layer (a next commit is coming,
      but it is hackish and will need a rework)
This commit is contained in:
Cedric Roux
2020-09-22 11:57:31 +02:00
parent 5372a3478a
commit 4236ff2b3e
103 changed files with 1235 additions and 160 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair2/X2AP/x2ap_eNB_generate_messages.h
+12
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@@ -77,4 +77,16 @@ int x2ap_gNB_generate_ENDC_x2_SgNB_addition_request_ACK( x2ap_eNB_instance_t *in
int x2ap_eNB_generate_ENDC_x2_SgNB_reconfiguration_complete(
x2ap_eNB_instance_t *instance_p, x2ap_eNB_data_t *x2ap_eNB_data_p, int ue_id, int SgNB_ue_id);
int x2ap_eNB_generate_ENDC_x2_SgNB_release_request(x2ap_eNB_instance_t *instance_p, x2ap_eNB_data_t *x2ap_eNB_data_p,
int x2_id_source, int x2_id_target, x2ap_cause_t cause);
int x2ap_gNB_generate_ENDC_x2_SgNB_release_request_acknowledge(x2ap_eNB_instance_t *instance_p, x2ap_eNB_data_t *x2ap_eNB_data_p,
int menb_ue_x2ap_id, int sgnb_ue_x2ap_id);
int x2ap_eNB_generate_ENDC_x2_SgNB_release_required(x2ap_eNB_instance_t *instance_p, x2ap_eNB_data_t *x2ap_eNB_data_p,
int x2_id_source, int x2_id_target, x2ap_cause_t cause);
int x2ap_gNB_generate_ENDC_x2_SgNB_release_confirm(x2ap_eNB_instance_t *instance_p, x2ap_eNB_data_t *x2ap_eNB_data_p,
int menb_ue_x2ap_id, int sgnb_ue_x2ap_id);
#endif /* X2AP_ENB_GENERATE_MESSAGES_H_ */