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Remove 4G F1

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This commit is contained in:
Robert Schmidt
2023-02-20 11:38:53 +01:00
parent ffecf830b7
commit 9dc2282249
41 changed files with 1961 additions and 3969 deletions
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openair2/LAYER2/PDCP_v10.1.0/pdcp.c
+57 -136
View File
@@ -138,35 +138,6 @@ extern int oai_exit;
pthread_t pdcp_stats_thread_desc;
bool cu_f1u_data_req(
protocol_ctxt_t *ctxt_pP,
const srb_flag_t srb_flagP,
const rb_id_t rb_id,
const mui_t muiP,
const confirm_t confirmP,
const sdu_size_t sdu_buffer_size,
unsigned char *const sdu_buffer,
const pdcp_transmission_mode_t mode,
const uint32_t *const sourceL2Id,
const uint32_t *const destinationL2Id
) {
mem_block_t *memblock = get_free_mem_block(sdu_buffer_size, __func__);
if (memblock == NULL) {
LOG_E(RLC, "%s:%d:%s: ERROR: get_free_mem_block failed\n", __FILE__, __LINE__, __FUNCTION__);
exit(1);
}
memcpy(memblock->data,sdu_buffer, sdu_buffer_size);
// weird rb id management in 4G, not fully understand (looks bad design)
// overcomplex: if i understand, on the interface DRB start at 4 because there can be SRB 0..3
// but it would be much simpler to use absolute numbering
// instead of this "srb flag" associated to these +/-4
int ret=pdcp_data_ind(ctxt_pP,srb_flagP, false, rb_id-4, sdu_buffer_size, memblock, NULL, NULL);
if (!ret) {
LOG_E(RLC, "%s:%d:%s: ERROR: pdcp_data_ind failed\n", __FILE__, __LINE__, __FUNCTION__);
/* what to do in case of failure? for the moment: nothing */
}
return ret;
}
void *pdcp_stats_thread(void *param) {
FILE *fd;
@@ -204,31 +175,6 @@ uint64_t get_pdcp_optmask(void) {
return pdcp_params.optmask;
}
rlc_op_status_t cu_send_to_du(const protocol_ctxt_t *const ctxt,
const srb_flag_t srb_flag, const MBMS_flag_t MBMS_flag,
const rb_id_t rb_id, const mui_t mui,
confirm_t confirm, sdu_size_t size, mem_block_t *sdu,
const uint32_t *const sourceID, const uint32_t *const destID) {
MessageDef *message_p = itti_alloc_new_message_sized(TASK_PDCP_ENB, 0, GTPV1U_TUNNEL_DATA_REQ,
sizeof(gtpv1u_tunnel_data_req_t) +
size + GTPU_HEADER_OVERHEAD_MAX );
AssertFatal(message_p != NULL, "OUT OF MEMORY");
gtpv1u_tunnel_data_req_t *req=&GTPV1U_TUNNEL_DATA_REQ(message_p);
req->buffer = (uint8_t*)(req+1);
memcpy(req->buffer + GTPU_HEADER_OVERHEAD_MAX,
sdu->data,
size );
req->length = size;
req->offset = GTPU_HEADER_OVERHEAD_MAX;
req->ue_id = ctxt->rntiMaybeUEid;
req->bearer_id = rb_id+4;
LOG_D(PDCP, "%s() (drb %ld) sending message to gtp size %d\n",
__func__, rb_id, size);
extern instance_t CUuniqInstance;
itti_send_msg_to_task(TASK_GTPV1_U, CUuniqInstance, message_p);
return true;
}
//-----------------------------------------------------------------------------
/*
* If PDCP_UNIT_TEST is set here then data flow between PDCP and RLC is broken
@@ -326,7 +272,7 @@ bool pdcp_data_req(protocol_ctxt_t *ctxt_pP,
LOG_UI(PDCP, "Before rlc_data_req 1, srb_flagP: %d, rb_idP: %ld \n", srb_flagP, rb_idP);
}
rlc_status = pdcp_params.send_rlc_data_req_func(ctxt_pP, srb_flagP, NODE_IS_CU(RC.rrc[ctxt_pP->module_id]->node_type)?MBMS_FLAG_NO:MBMS_FLAG_YES, rb_idP, muiP,
rlc_status = pdcp_params.send_rlc_data_req_func(ctxt_pP, srb_flagP, MBMS_FLAG_YES, rb_idP, muiP,
confirmP, sdu_buffer_sizeP, pdcp_pdu_p,NULL,NULL);
} else {
rlc_status = RLC_OP_STATUS_OUT_OF_RESSOURCES;
@@ -488,98 +434,73 @@ bool pdcp_data_req(protocol_ctxt_t *ctxt_pP,
"[MSG] PDCP DL %s PDU on rb_id %ld\n",(srb_flagP)? "CONTROL" : "DATA", rb_idP);
if ((pdcp_pdu_p!=NULL) && (srb_flagP == 0) && (ctxt_pP->enb_flag == 1)) {
LOG_D(PDCP, "pdcp data req on drb %ld, size %d, rnti %lx, node_type %d \n", rb_idP, pdcp_pdu_size, ctxt_pP->rntiMaybeUEid, RC.rrc ? RC.rrc[ctxt_pP->module_id]->node_type : -1);
LOG_D(PDCP, "pdcp data req on drb %ld, size %d, rnti %lx\n", rb_idP, pdcp_pdu_size, ctxt_pP->rntiMaybeUEid);
if (ctxt_pP->enb_flag == ENB_FLAG_YES && NODE_IS_DU(RC.rrc[ctxt_pP->module_id]->node_type)) {
LOG_E(PDCP, "Can't be DU, bad node type %d \n", RC.rrc[ctxt_pP->module_id]->node_type);
ret = false;
} else {
rlc_status = pdcp_params.send_rlc_data_req_func(ctxt_pP, srb_flagP, MBMS_FLAG_NO, rb_idP, muiP,
confirmP, pdcp_pdu_size, pdcp_pdu_p,sourceL2Id,
destinationL2Id);
ret = false;
switch (rlc_status) {
case RLC_OP_STATUS_OK:
LOG_D(PDCP, "Data sending request over RLC succeeded!\n");
ret=true;
break;
rlc_status = pdcp_params.send_rlc_data_req_func(ctxt_pP, srb_flagP, MBMS_FLAG_NO, rb_idP, muiP,
confirmP, pdcp_pdu_size, pdcp_pdu_p,sourceL2Id,
destinationL2Id);
ret = false;
switch (rlc_status) {
case RLC_OP_STATUS_OK:
LOG_D(PDCP, "Data sending request over RLC succeeded!\n");
ret=true;
break;
case RLC_OP_STATUS_BAD_PARAMETER:
LOG_W(PDCP, "Data sending request over RLC failed with 'Bad Parameter' reason!\n");
break;
case RLC_OP_STATUS_BAD_PARAMETER:
LOG_W(PDCP, "Data sending request over RLC failed with 'Bad Parameter' reason!\n");
break;
case RLC_OP_STATUS_INTERNAL_ERROR:
LOG_W(PDCP, "Data sending request over RLC failed with 'Internal Error' reason!\n");
break;
case RLC_OP_STATUS_INTERNAL_ERROR:
LOG_W(PDCP, "Data sending request over RLC failed with 'Internal Error' reason!\n");
break;
case RLC_OP_STATUS_OUT_OF_RESSOURCES:
LOG_W(PDCP, "Data sending request over RLC failed with 'Out of Resources' reason!\n");
break;
case RLC_OP_STATUS_OUT_OF_RESSOURCES:
LOG_W(PDCP, "Data sending request over RLC failed with 'Out of Resources' reason!\n");
break;
default:
LOG_W(PDCP, "RLC returned an unknown status code after PDCP placed the order to send some data (Status Code:%d)\n", rlc_status);
break;
} // switch case
} /* end if node_type is not DU */
default:
LOG_W(PDCP, "RLC returned an unknown status code after PDCP placed the order to send some data (Status Code:%d)\n", rlc_status);
break;
} // switch case
} else { // SRB
if (ctxt_pP->enb_flag == ENB_FLAG_YES && NODE_IS_CU(RC.rrc[ctxt_pP->module_id]->node_type)) {
// DL transfer
MessageDef *message_p;
// Note: the acyual task must be TASK_PDCP_ENB, but this task is not created
message_p = itti_alloc_new_message (TASK_PDCP_ENB, 0, F1AP_DL_RRC_MESSAGE);
F1AP_DL_RRC_MESSAGE (message_p).rrc_container = &pdcp_pdu_p->data[0] ;
F1AP_DL_RRC_MESSAGE (message_p).rrc_container_length = pdcp_pdu_size;
F1AP_DL_RRC_MESSAGE (message_p).gNB_CU_ue_id = 0;
F1AP_DL_RRC_MESSAGE (message_p).gNB_DU_ue_id = 0;
F1AP_DL_RRC_MESSAGE (message_p).old_gNB_DU_ue_id = 0xFFFFFFFF; // unknown
F1AP_DL_RRC_MESSAGE(message_p).rnti = ctxt_pP->rntiMaybeUEid;
F1AP_DL_RRC_MESSAGE (message_p).srb_id = rb_idP;
F1AP_DL_RRC_MESSAGE (message_p).execute_duplication = 1;
F1AP_DL_RRC_MESSAGE (message_p).RAT_frequency_priority_information.en_dc = 0;
itti_send_msg_to_task (TASK_CU_F1, ctxt_pP->module_id, message_p);
//CU_send_DL_RRC_MESSAGE_TRANSFER(ctxt_pP->module_id, message_p);
LOG_I(PDCP, "Send F1AP_DL_RRC_MESSAGE with ITTI\n");
ret=true;
} else {
rlc_status = rlc_data_req(ctxt_pP
, srb_flagP
, MBMS_FLAG_NO
, rb_idP
, muiP
, confirmP
, pdcp_pdu_size
, pdcp_pdu_p
,NULL
,NULL
);
rlc_status = rlc_data_req(ctxt_pP
, srb_flagP
, MBMS_FLAG_NO
, rb_idP
, muiP
, confirmP
, pdcp_pdu_size
, pdcp_pdu_p
,NULL
,NULL
);
switch (rlc_status) {
case RLC_OP_STATUS_OK:
LOG_D(PDCP, "Data sending request over RLC succeeded!\n");
ret=true;
break;
switch (rlc_status) {
case RLC_OP_STATUS_OK:
LOG_D(PDCP, "Data sending request over RLC succeeded!\n");
ret=true;
break;
case RLC_OP_STATUS_BAD_PARAMETER:
LOG_W(PDCP, "Data sending request over RLC failed with 'Bad Parameter' reason!\n");
ret= false;
break;
case RLC_OP_STATUS_BAD_PARAMETER:
LOG_W(PDCP, "Data sending request over RLC failed with 'Bad Parameter' reason!\n");
ret= false;
break;
case RLC_OP_STATUS_INTERNAL_ERROR:
LOG_W(PDCP, "Data sending request over RLC failed with 'Internal Error' reason!\n");
ret= false;
break;
case RLC_OP_STATUS_INTERNAL_ERROR:
LOG_W(PDCP, "Data sending request over RLC failed with 'Internal Error' reason!\n");
ret= false;
break;
case RLC_OP_STATUS_OUT_OF_RESSOURCES:
LOG_W(PDCP, "Data sending request over RLC failed with 'Out of Resources' reason!\n");
ret= false;
break;
case RLC_OP_STATUS_OUT_OF_RESSOURCES:
LOG_W(PDCP, "Data sending request over RLC failed with 'Out of Resources' reason!\n");
ret= false;
break;
default:
LOG_W(PDCP, "RLC returned an unknown status code after PDCP placed the order to send some data (Status Code:%d)\n", rlc_status);
ret= false;
break;
} // switch case
}
default:
LOG_W(PDCP, "RLC returned an unknown status code after PDCP placed the order to send some data (Status Code:%d)\n", rlc_status);
ret= false;
break;
} // switch case
}
}
openair2/LAYER2/PDCP_v10.1.0/pdcp.h
-4
View File
@@ -420,10 +420,6 @@ pdcp_data_ind_func_t get_pdcp_data_ind_func(void);
//-----------------------------------------------------------------------------
int pdcp_fifo_flush_mbms_sdus ( const protocol_ctxt_t *const ctxt_pP);
int pdcp_fifo_read_input_mbms_sdus_fromtun ( const protocol_ctxt_t *const ctxt_pP);
rlc_op_status_t cu_send_to_du(const protocol_ctxt_t *const ctxt_pP,
const srb_flag_t srb_flagP, const MBMS_flag_t MBMS_flagP,
const rb_id_t rb_idP, const mui_t muiP,
confirm_t confirmP, sdu_size_t sdu_sizeP, mem_block_t *sdu_pP, const uint32_t *const, const uint32_t *const);
/*
* Following two types are utilized between NAS driver and PDCP