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RRC: Remove checks for UEs with existing RNTI

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The RRC gives its own RRC UE ID. It won't intervene if DUs assign the same RNTI to different UEs: it simply does not care what the DUs do with the RNTI.
This commit is contained in:
Robert Schmidt
2023-08-11 17:38:12 +02:00
parent 644a5768a3
commit 1c07afbeb6
2 changed files with 3 additions and 16 deletions
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openair2/RRC/NR/rrc_gNB.c
+2 -6
View File
@@ -1525,13 +1525,9 @@ static int nr_rrc_gNB_decode_ccch(module_id_t module_id, const f1ap_initial_ul_r
case NR_UL_CCCH_MessageType__c1_PR_rrcSetupRequest:
LOG_D(NR_RRC, "Received RRCSetupRequest on UL-CCCH-Message (UE rnti %04x)\n", rnti);
rrc_gNB_ue_context_t *ue_context_p = rrc_gNB_get_ue_context_by_rnti(gnb_rrc_inst, rnti);
/* TODO this check is wrong, on different DUs there can be the same RNTI, this should not matter for us */
if (ue_context_p != NULL) {
LOG_W(NR_RRC, "Got RRC setup request for a already registered RNTI %x, dropping the old one and give up this rrcSetupRequest\n", ue_context_p->ue_context.rnti);
rrc_gNB_remove_ue_context(gnb_rrc_inst, ue_context_p);
} else {
{
rrcSetupRequest = &ul_ccch_msg->message.choice.c1->choice.rrcSetupRequest->rrcSetupRequest;
rrc_gNB_ue_context_t *ue_context_p = NULL;
if (NR_InitialUE_Identity_PR_randomValue == rrcSetupRequest->ue_Identity.present) {
/* randomValue BIT STRING (SIZE (39)) */
if (rrcSetupRequest->ue_Identity.choice.randomValue.size != 5) { // 39-bit random value
openair2/RRC/NR/rrc_gNB_UE_context.c
+1 -10
View File
@@ -173,16 +173,7 @@ rrc_gNB_ue_context_t *rrc_gNB_create_ue_context(rnti_t rnti,
uint32_t du_ue_id)
//-----------------------------------------------------------------------------
{
rrc_gNB_ue_context_t *ue_context_p = rrc_gNB_get_ue_context_by_rnti(rrc_instance_pP, rnti);
/* TODO: this should not matter, we can have multiple UEs at different DUs
* with the same RNTI! */
if (ue_context_p) {
LOG_E(NR_RRC, "Cannot create new UE context, already exist rnti: %04x\n", rnti);
return ue_context_p;
}
ue_context_p = rrc_gNB_allocate_new_ue_context(rrc_instance_pP);
rrc_gNB_ue_context_t *ue_context_p = rrc_gNB_allocate_new_ue_context(rrc_instance_pP);
if (ue_context_p == NULL)
return NULL;