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Fix a critical bug introduced by F1-U in 4G

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This commit is contained in:
Laurent THOMAS
2021-09-22 17:09:24 +02:00
parent 32ebb876f4
commit 8c55ccc9b7
2 changed files with 26 additions and 24 deletions
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openair2/LAYER2/PDCP_v10.1.0/pdcp.c
+1 -1
View File
@@ -1546,7 +1546,7 @@ void pdcp_add_UE(const protocol_ctxt_t *const ctxt_pP) {
pdcp_enb[ctxt_pP->module_id].rnti[i]=ctxt_pP->rnti;
pdcp_enb[ctxt_pP->module_id].uid[i]=i;
pdcp_enb[ctxt_pP->module_id].num_ues++;
printf("add new uid is %d %x\n\n", i, ctxt_pP->rnti);
LOG_I(PDCP,"add new uid is %d %x\n", i, ctxt_pP->rnti);
pdcp_init_stats_UE(ctxt_pP->module_id, i);
// ret=1;
break;
openair2/LAYER2/rlc_v2/rlc_oai_api.c
+25 -23
View File
@@ -418,29 +418,31 @@ rb_found:
AssertFatal(type != ngran_eNB_CU && type != ngran_ng_eNB_CU && type != ngran_gNB_CU,
"Can't be CU, bad node type %d\n", type);
if (NODE_IS_DU(type) && is_srb == 1) {
MessageDef *msg = itti_alloc_new_message_sized(TASK_RLC_ENB, 0, F1AP_UL_RRC_MESSAGE, sizeof(*msg) + size);
F1AP_UL_RRC_MESSAGE(msg).rrc_container = (uint8_t*)(msg+1);
memcpy(F1AP_UL_RRC_MESSAGE(msg).rrc_container, buf, size);
F1AP_UL_RRC_MESSAGE(msg).rnti = ue->rnti;
F1AP_UL_RRC_MESSAGE(msg).srb_id = rb_id;
F1AP_UL_RRC_MESSAGE(msg).rrc_container_length = size;
itti_send_msg_to_task(TASK_DU_F1, ENB_MODULE_ID_TO_INSTANCE(0 /*ctxt_pP->module_id*/), msg);
return;
} else {
// Fixme: very dirty workaround of incomplete F1-U implementation
instance_t DUuniqInstance=0;
MessageDef *msg = itti_alloc_new_message(TASK_RLC_ENB, 0, GTPV1U_ENB_TUNNEL_DATA_REQ);
gtpv1u_enb_tunnel_data_req_t *req=&GTPV1U_ENB_TUNNEL_DATA_REQ(msg);
req->buffer=malloc(size);
memcpy(req->buffer,buf,size);
req->length=size;
req->offset=0;
req->rnti=ue->rnti;
req->rab_id=rb_id+4;
LOG_D(RLC, "Received uplink user-plane traffic at RLC-DU to be sent to the CU, size %d \n", size);
itti_send_msg_to_task(OCP_GTPV1_U, DUuniqInstance, msg);
return;
if (NODE_IS_DU(type)) {
if (is_srb == 1) {
MessageDef *msg = itti_alloc_new_message_sized(TASK_RLC_ENB, 0, F1AP_UL_RRC_MESSAGE, sizeof(*msg) + size);
F1AP_UL_RRC_MESSAGE(msg).rrc_container = (uint8_t*)(msg+1);
memcpy(F1AP_UL_RRC_MESSAGE(msg).rrc_container, buf, size);
F1AP_UL_RRC_MESSAGE(msg).rnti = ue->rnti;
F1AP_UL_RRC_MESSAGE(msg).srb_id = rb_id;
F1AP_UL_RRC_MESSAGE(msg).rrc_container_length = size;
itti_send_msg_to_task(TASK_DU_F1, ENB_MODULE_ID_TO_INSTANCE(0 /*ctxt_pP->module_id*/), msg);
return;
} else {
// Fixme: very dirty workaround of incomplete F1-U implementation
instance_t DUuniqInstance=0;
MessageDef *msg = itti_alloc_new_message(TASK_RLC_ENB, 0, GTPV1U_ENB_TUNNEL_DATA_REQ);
gtpv1u_enb_tunnel_data_req_t *req=&GTPV1U_ENB_TUNNEL_DATA_REQ(msg);
req->buffer=malloc(size);
memcpy(req->buffer,buf,size);
req->length=size;
req->offset=0;
req->rnti=ue->rnti;
req->rab_id=rb_id+4;
LOG_D(RLC, "Received uplink user-plane traffic at RLC-DU to be sent to the CU, size %d \n", size);
itti_send_msg_to_task(OCP_GTPV1_U, DUuniqInstance, msg);
return;
}
}
}