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OpenXG
OpenXG-RAN
Commits
b85fd159
Commit
b85fd159
authored
May 13, 2024
by
Guido Casati
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Add encoding/decoding lib for UL RRC Message Trasfer
parent
1d0d7e7b
Changes
2
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2 changed files
with
126 additions
and
1 deletion
+126
-1
openair2/F1AP/lib/f1ap_rrc_message_transfer.c
openair2/F1AP/lib/f1ap_rrc_message_transfer.c
+119
-1
openair2/F1AP/lib/f1ap_rrc_message_transfer.h
openair2/F1AP/lib/f1ap_rrc_message_transfer.h
+7
-0
No files found.
openair2/F1AP/lib/f1ap_rrc_message_transfer.c
View file @
b85fd159
...
...
@@ -23,7 +23,6 @@
#include "f1ap_lib_common.h"
#include "f1ap_lib_includes.h"
#include "f1ap_messages_types.h"
#include "common/utils/assertions.h"
...
...
@@ -198,6 +197,125 @@ void free_initial_ul_rrc_message_transfer(const f1ap_initial_ul_rrc_message_t *m
free
(
msg
->
du2cu_rrc_container
);
}
/* ====================================
* F1AP UL RRC Message Transfer
* ==================================== */
/**
* @brief UL RRC Message Transfer encoding (9.2.3.3 of 3GPP TS 38.473)
* gNB-DU → gNB-CU
*/
F1AP_F1AP_PDU_t
*
encode_ul_rrc_message_transfer
(
const
f1ap_ul_rrc_message_t
*
msg
)
{
F1AP_F1AP_PDU_t
*
pdu
=
calloc
(
1
,
sizeof
(
*
pdu
));
AssertFatal
(
pdu
!=
NULL
,
"out of memory
\n
"
);
/* Create */
/* 0. Message Type */
pdu
->
present
=
F1AP_F1AP_PDU_PR_initiatingMessage
;
asn1cCalloc
(
pdu
->
choice
.
initiatingMessage
,
tmp
);
tmp
->
procedureCode
=
F1AP_ProcedureCode_id_ULRRCMessageTransfer
;
tmp
->
criticality
=
F1AP_Criticality_ignore
;
tmp
->
value
.
present
=
F1AP_InitiatingMessage__value_PR_ULRRCMessageTransfer
;
F1AP_ULRRCMessageTransfer_t
*
out
=
&
tmp
->
value
.
choice
.
ULRRCMessageTransfer
;
// gNB-CU UE F1AP ID (M)
asn1cSequenceAdd
(
out
->
protocolIEs
.
list
,
F1AP_ULRRCMessageTransferIEs_t
,
ie1
);
ie1
->
id
=
F1AP_ProtocolIE_ID_id_gNB_CU_UE_F1AP_ID
;
ie1
->
criticality
=
F1AP_Criticality_reject
;
ie1
->
value
.
present
=
F1AP_ULRRCMessageTransferIEs__value_PR_GNB_CU_UE_F1AP_ID
;
ie1
->
value
.
choice
.
GNB_CU_UE_F1AP_ID
=
msg
->
gNB_CU_ue_id
;
// gNB-DU UE F1AP ID (M)
asn1cSequenceAdd
(
out
->
protocolIEs
.
list
,
F1AP_ULRRCMessageTransferIEs_t
,
ie2
);
ie2
->
id
=
F1AP_ProtocolIE_ID_id_gNB_DU_UE_F1AP_ID
;
ie2
->
criticality
=
F1AP_Criticality_reject
;
ie2
->
value
.
present
=
F1AP_ULRRCMessageTransferIEs__value_PR_GNB_DU_UE_F1AP_ID
;
ie2
->
value
.
choice
.
GNB_DU_UE_F1AP_ID
=
msg
->
gNB_DU_ue_id
;
// SRB ID (M)
asn1cSequenceAdd
(
out
->
protocolIEs
.
list
,
F1AP_ULRRCMessageTransferIEs_t
,
ie3
);
ie3
->
id
=
F1AP_ProtocolIE_ID_id_SRBID
;
ie3
->
criticality
=
F1AP_Criticality_reject
;
ie3
->
value
.
present
=
F1AP_ULRRCMessageTransferIEs__value_PR_SRBID
;
ie3
->
value
.
choice
.
SRBID
=
msg
->
srb_id
;
// RRC-Container (M)
asn1cSequenceAdd
(
out
->
protocolIEs
.
list
,
F1AP_ULRRCMessageTransferIEs_t
,
ie4
);
ie4
->
id
=
F1AP_ProtocolIE_ID_id_RRCContainer
;
ie4
->
criticality
=
F1AP_Criticality_reject
;
ie4
->
value
.
present
=
F1AP_ULRRCMessageTransferIEs__value_PR_RRCContainer
;
OCTET_STRING_fromBuf
(
&
ie4
->
value
.
choice
.
RRCContainer
,
(
const
char
*
)
msg
->
rrc_container
,
msg
->
rrc_container_length
);
return
pdu
;
}
/**
* @brief UL RRC Message Transfer decoding (9.2.3.3 of 3GPP TS 38.473)
* gNB-DU → gNB-CU
*/
bool
decode_ul_rrc_message_transfer
(
const
F1AP_F1AP_PDU_t
*
pdu
,
f1ap_ul_rrc_message_t
*
out
)
{
DevAssert
(
out
!=
NULL
);
memset
(
out
,
0
,
sizeof
(
*
out
));
DevAssert
(
pdu
!=
NULL
);
F1AP_ULRRCMessageTransfer_t
*
container
=
&
pdu
->
choice
.
initiatingMessage
->
value
.
choice
.
ULRRCMessageTransfer
;
F1AP_ULRRCMessageTransferIEs_t
*
ie
;
// gNB-CU UE F1AP ID (M)
F1AP_LIB_FIND_IE
(
F1AP_ULRRCMessageTransferIEs_t
,
ie
,
container
,
F1AP_ProtocolIE_ID_id_gNB_CU_UE_F1AP_ID
,
true
);
out
->
gNB_CU_ue_id
=
ie
->
value
.
choice
.
GNB_CU_UE_F1AP_ID
;
// gNB-DU UE F1AP ID (M)
F1AP_LIB_FIND_IE
(
F1AP_ULRRCMessageTransferIEs_t
,
ie
,
container
,
F1AP_ProtocolIE_ID_id_gNB_DU_UE_F1AP_ID
,
true
);
out
->
gNB_DU_ue_id
=
ie
->
value
.
choice
.
GNB_DU_UE_F1AP_ID
;
// SRB ID (M)
F1AP_LIB_FIND_IE
(
F1AP_ULRRCMessageTransferIEs_t
,
ie
,
container
,
F1AP_ProtocolIE_ID_id_SRBID
,
true
);
out
->
srb_id
=
ie
->
value
.
choice
.
SRBID
;
// RRC-Container (M)
F1AP_LIB_FIND_IE
(
F1AP_ULRRCMessageTransferIEs_t
,
ie
,
container
,
F1AP_ProtocolIE_ID_id_RRCContainer
,
true
);
out
->
rrc_container
=
cp_octet_string
(
&
ie
->
value
.
choice
.
RRCContainer
,
&
out
->
rrc_container_length
);
return
true
;
}
/**
* @brief UL RRC Message Transfer deep copy
*/
f1ap_ul_rrc_message_t
cp_ul_rrc_message_transfer
(
const
f1ap_ul_rrc_message_t
*
msg
)
{
uint8_t
*
rrc_container
=
calloc_or_fail
(
msg
->
rrc_container_length
,
sizeof
(
*
rrc_container
));
memcpy
(
rrc_container
,
msg
->
rrc_container
,
msg
->
rrc_container_length
);
f1ap_ul_rrc_message_t
cp
=
{
.
gNB_DU_ue_id
=
msg
->
gNB_DU_ue_id
,
.
gNB_CU_ue_id
=
msg
->
gNB_CU_ue_id
,
.
srb_id
=
msg
->
srb_id
,
.
rrc_container
=
rrc_container
,
.
rrc_container_length
=
msg
->
rrc_container_length
,
};
return
cp
;
}
/**
* @brief UL RRC Message Transfer equality check
*/
bool
eq_ul_rrc_message_transfer
(
const
f1ap_ul_rrc_message_t
*
a
,
const
f1ap_ul_rrc_message_t
*
b
)
{
_F1_EQ_CHECK_INT
(
a
->
gNB_DU_ue_id
,
b
->
gNB_DU_ue_id
);
_F1_EQ_CHECK_INT
(
a
->
gNB_CU_ue_id
,
b
->
gNB_CU_ue_id
);
_F1_EQ_CHECK_INT
(
a
->
rrc_container_length
,
b
->
rrc_container_length
);
_F1_EQ_CHECK_INT
(
a
->
gNB_DU_ue_id
,
b
->
gNB_DU_ue_id
);
if
(
memcmp
(
a
->
rrc_container
,
b
->
rrc_container
,
a
->
rrc_container_length
)
!=
0
)
return
false
;
return
true
;
}
/**
* @brief UL RRC Message Transfer memory management
*/
void
free_ul_rrc_message_transfer
(
const
f1ap_ul_rrc_message_t
*
msg
)
{
DevAssert
(
msg
!=
NULL
);
free
(
msg
->
rrc_container
);
}
/* ============================
* F1AP DL RRC Message Transfer
* ============================ */
...
...
openair2/F1AP/lib/f1ap_rrc_message_transfer.h
View file @
b85fd159
...
...
@@ -40,4 +40,11 @@ f1ap_dl_rrc_message_t cp_dl_rrc_message_transfer(const f1ap_dl_rrc_message_t *ms
bool
eq_dl_rrc_message_transfer
(
const
f1ap_dl_rrc_message_t
*
a
,
const
f1ap_dl_rrc_message_t
*
b
);
void
free_dl_rrc_message_transfer
(
const
f1ap_dl_rrc_message_t
*
msg
);
/* UL RRC Message transfer */
struct
F1AP_F1AP_PDU
*
encode_ul_rrc_message_transfer
(
const
f1ap_ul_rrc_message_t
*
msg
);
bool
decode_ul_rrc_message_transfer
(
const
struct
F1AP_F1AP_PDU
*
pdu
,
f1ap_ul_rrc_message_t
*
out
);
f1ap_ul_rrc_message_t
cp_ul_rrc_message_transfer
(
const
f1ap_ul_rrc_message_t
*
msg
);
bool
eq_ul_rrc_message_transfer
(
const
f1ap_ul_rrc_message_t
*
a
,
const
f1ap_ul_rrc_message_t
*
b
);
void
free_ul_rrc_message_transfer
(
const
f1ap_ul_rrc_message_t
*
msg
);
#endif
/* F1AP_RRC_MESSAGE_TRANSFER_H_ */
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