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常顺宇
OpenXG-RAN
Commits
e468376d
Commit
e468376d
authored
Jul 11, 2019
by
luaihui
Browse files
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add forwarding and end marker
parent
46537af2
Changes
19
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19 changed files
with
1080 additions
and
10 deletions
+1080
-10
common/utils/itti_analyzer/filters.xml
common/utils/itti_analyzer/filters.xml
+4
-0
common/utils/itti_analyzer/filters_ue_enb.xml
common/utils/itti_analyzer/filters_ue_enb.xml
+4
-0
common/utils/ocp_itti/intertask_interface.h
common/utils/ocp_itti/intertask_interface.h
+2
-0
openair2/COMMON/gtpv1_u_messages_def.h
openair2/COMMON/gtpv1_u_messages_def.h
+4
-0
openair2/COMMON/gtpv1_u_messages_types.h
openair2/COMMON/gtpv1_u_messages_types.h
+67
-0
openair2/RRC/LTE/rrc_defs.h
openair2/RRC/LTE/rrc_defs.h
+22
-0
openair2/RRC/LTE/rrc_eNB.c
openair2/RRC/LTE/rrc_eNB.c
+204
-4
openair2/RRC/LTE/rrc_eNB_GTPV1U.c
openair2/RRC/LTE/rrc_eNB_GTPV1U.c
+89
-0
openair2/RRC/LTE/rrc_eNB_GTPV1U.h
openair2/RRC/LTE/rrc_eNB_GTPV1U.h
+12
-0
openair2/RRC/LTE/rrc_eNB_S1AP.c
openair2/RRC/LTE/rrc_eNB_S1AP.c
+64
-0
openair2/RRC/LTE/rrc_eNB_S1AP.h
openair2/RRC/LTE/rrc_eNB_S1AP.h
+1
-0
openair2/X2AP/x2ap_eNB_generate_messages.c
openair2/X2AP/x2ap_eNB_generate_messages.c
+21
-0
openair2/X2AP/x2ap_eNB_handler.c
openair2/X2AP/x2ap_eNB_handler.c
+52
-0
openair3/GTPV1-U/gtpv1u_eNB.c
openair3/GTPV1-U/gtpv1u_eNB.c
+504
-1
openair3/GTPV1-U/gtpv1u_eNB_defs.h
openair3/GTPV1-U/gtpv1u_eNB_defs.h
+8
-0
openair3/GTPV1-U/gtpv1u_eNB_task.h
openair3/GTPV1-U/gtpv1u_eNB_task.h
+11
-0
openair3/GTPV1-U/nw-gtpv1u/src/NwGtpv1u.c
openair3/GTPV1-U/nw-gtpv1u/src/NwGtpv1u.c
+8
-2
openair3/S1AP/s1ap_eNB_handlers.c
openair3/S1AP/s1ap_eNB_handlers.c
+1
-1
openair3/UDP/udp_eNB_task.c
openair3/UDP/udp_eNB_task.c
+2
-2
No files found.
common/utils/itti_analyzer/filters.xml
View file @
e468376d
...
...
@@ -91,6 +91,8 @@
<TASK_MAC_ENB
enabled=
"1"
/>
<TASK_RLC_ENB
enabled=
"1"
/>
<TASK_PDCP_ENB
enabled=
"1"
/>
<TASK_DATA_FORWARDING
enabled=
"1"
/>
<TASK_END_MARKER
enabled=
"1"
/>
<TASK_RRC_ENB
enabled=
"1"
/>
<TASK_RAL_ENB
enabled=
"1"
/>
<TASK_S1AP
enabled=
"1"
/>
...
...
@@ -114,6 +116,8 @@
<TASK_MAC_ENB
enabled=
"1"
/>
<TASK_RLC_ENB
enabled=
"1"
/>
<TASK_PDCP_ENB
enabled=
"1"
/>
<TASK_DATA_FORWARDING
enabled=
"1"
/>
<TASK_END_MARKER
enabled=
"1"
/>
<TASK_RRC_ENB
enabled=
"1"
/>
<TASK_RAL_ENB
enabled=
"1"
/>
<TASK_S1AP
enabled=
"1"
/>
...
...
common/utils/itti_analyzer/filters_ue_enb.xml
View file @
e468376d
...
...
@@ -130,6 +130,8 @@
<TASK_MAC_ENB
enabled=
"1"
/>
<TASK_RLC_ENB
enabled=
"1"
/>
<TASK_PDCP_ENB
enabled=
"1"
/>
<TASK_DATA_FORWARDING
enabled=
"1"
/>
<TASK_END_MARKER
enabled=
"1"
/>
<TASK_RRC_ENB
enabled=
"1"
/>
<TASK_RAL_ENB
enabled=
"1"
/>
<TASK_S1AP
enabled=
"1"
/>
...
...
@@ -153,6 +155,8 @@
<TASK_MAC_ENB
enabled=
"1"
/>
<TASK_RLC_ENB
enabled=
"1"
/>
<TASK_PDCP_ENB
enabled=
"1"
/>
<TASK_DATA_FORWARDING
enabled=
"1"
/>
<TASK_END_MARKER
enabled=
"1"
/>
<TASK_RRC_ENB
enabled=
"1"
/>
<TASK_RAL_ENB
enabled=
"1"
/>
<TASK_S1AP
enabled=
"1"
/>
...
...
common/utils/ocp_itti/intertask_interface.h
View file @
e468376d
...
...
@@ -283,6 +283,8 @@ typedef struct {
TASK_DEF(TASK_RLC_ENB, TASK_PRIORITY_MED, 200, NULL, NULL) \
TASK_DEF(TASK_RRC_ENB_NB_IoT, TASK_PRIORITY_MED, 200, NULL, NULL) \
TASK_DEF(TASK_PDCP_ENB, TASK_PRIORITY_MED, 200, NULL, NULL) \
TASK_DEF(TASK_DATA_FORWARDING, TASK_PRIORITY_MED, 200, NULL, NULL) \
TASK_DEF(TASK_END_MARKER, TASK_PRIORITY_MED, 200, NULL, NULL) \
TASK_DEF(TASK_RRC_ENB, TASK_PRIORITY_MED, 200, NULL,NULL)\
TASK_DEF(TASK_RAL_ENB, TASK_PRIORITY_MED, 200, NULL, NULL) \
TASK_DEF(TASK_S1AP, TASK_PRIORITY_MED, 200, NULL, NULL) \
...
...
openair2/COMMON/gtpv1_u_messages_def.h
View file @
e468376d
...
...
@@ -25,4 +25,8 @@ MESSAGE_DEF(GTPV1U_ENB_DELETE_TUNNEL_REQ, MESSAGE_PRIORITY_MED, gtpv1u_enb_del
MESSAGE_DEF
(
GTPV1U_ENB_DELETE_TUNNEL_RESP
,
MESSAGE_PRIORITY_MED
,
gtpv1u_enb_delete_tunnel_resp_t
,
Gtpv1uDeleteTunnelResp
)
MESSAGE_DEF
(
GTPV1U_ENB_TUNNEL_DATA_IND
,
MESSAGE_PRIORITY_MED
,
gtpv1u_enb_tunnel_data_ind_t
,
Gtpv1uTunnelDataInd
)
MESSAGE_DEF
(
GTPV1U_ENB_TUNNEL_DATA_REQ
,
MESSAGE_PRIORITY_MED
,
gtpv1u_enb_tunnel_data_req_t
,
Gtpv1uTunnelDataReq
)
MESSAGE_DEF
(
GTPV1U_ENB_DATA_FORWARDING_REQ
,
MESSAGE_PRIORITY_MED
,
gtpv1u_enb_data_forwarding_req_t
,
Gtpv1uDataForwardingReq
)
MESSAGE_DEF
(
GTPV1U_ENB_DATA_FORWARDING_IND
,
MESSAGE_PRIORITY_MED
,
gtpv1u_enb_data_forwarding_ind_t
,
Gtpv1uDataForwardingInd
)
MESSAGE_DEF
(
GTPV1U_ENB_END_MARKER_REQ
,
MESSAGE_PRIORITY_MED
,
gtpv1u_enb_end_marker_req_t
,
Gtpv1uEndMarkerReq
)
MESSAGE_DEF
(
GTPV1U_ENB_END_MARKER_IND
,
MESSAGE_PRIORITY_MED
,
gtpv1u_enb_end_marker_ind_t
,
Gtpv1uEndMarkerInd
)
MESSAGE_DEF
(
GTPV1U_ENB_S1_REQ
,
MESSAGE_PRIORITY_MED
,
Gtpv1uS1Req
,
gtpv1uS1Req
)
openair2/COMMON/gtpv1_u_messages_types.h
View file @
e468376d
...
...
@@ -33,10 +33,33 @@
#define GTPV1U_ENB_DELETE_TUNNEL_RESP(mSGpTR) (mSGpTR)->ittiMsg.Gtpv1uDeleteTunnelResp
#define GTPV1U_ENB_TUNNEL_DATA_IND(mSGpTR) (mSGpTR)->ittiMsg.Gtpv1uTunnelDataInd
#define GTPV1U_ENB_TUNNEL_DATA_REQ(mSGpTR) (mSGpTR)->ittiMsg.Gtpv1uTunnelDataReq
#define GTPV1U_ENB_DATA_FORWARDING_REQ(mSGpTR) (mSGpTR)->ittiMsg.Gtpv1uDataForwardingReq
#define GTPV1U_ENB_DATA_FORWARDING_IND(mSGpTR) (mSGpTR)->ittiMsg.Gtpv1uDataForwardingInd
#define GTPV1U_ENB_END_MARKER_REQ(mSGpTR) (mSGpTR)->ittiMsg.Gtpv1uEndMarkerReq
#define GTPV1U_ENB_END_MARKER_IND(mSGpTR) (mSGpTR)->ittiMsg.Gtpv1uEndMarkerInd
#define GTPV1U_ENB_S1_REQ(mSGpTR) (mSGpTR)->ittiMsg.gtpv1uS1Req
#define GTPV1U_ALL_TUNNELS_TEID (teid_t)0xFFFFFFFF
typedef
struct
gtpv1u_enb_create_x2u_tunnel_req_s
{
rnti_t
rnti
;
int
num_tunnels
;
teid_t
tenb_X2u_teid
[
GTPV1U_MAX_BEARERS_PER_UE
];
///< Tunnel Endpoint Identifier
ebi_t
eps_bearer_id
[
GTPV1U_MAX_BEARERS_PER_UE
];
transport_layer_addr_t
enb_addr
[
GTPV1U_MAX_BEARERS_PER_UE
];
}
gtpv1u_enb_create_x2u_tunnel_req_t
;
typedef
struct
gtpv1u_enb_create_x2u_tunnel_resp_s
{
uint8_t
status
;
///< Status of S1U endpoint creation (Failed = 0xFF or Success = 0x0)
rnti_t
rnti
;
int
num_tunnels
;
teid_t
enb_X2u_teid
[
GTPV1U_MAX_BEARERS_PER_UE
];
///< Tunnel Endpoint Identifier
ebi_t
eps_bearer_id
[
GTPV1U_MAX_BEARERS_PER_UE
];
transport_layer_addr_t
enb_addr
;
}
gtpv1u_enb_create_x2u_tunnel_resp_t
;
typedef
struct
gtpv1u_enb_create_tunnel_req_s
{
rnti_t
rnti
;
int
num_tunnels
;
...
...
@@ -99,6 +122,50 @@ typedef struct gtpv1u_enb_tunnel_data_req_s {
rb_id_t
rab_id
;
}
gtpv1u_enb_tunnel_data_req_t
;
typedef
struct
gtpv1u_enb_data_forwarding_req_s
{
uint8_t
*
buffer
;
uint32_t
length
;
uint32_t
offset
;
///< start of message offset in buffer
rnti_t
rnti
;
rb_id_t
rab_id
;
}
gtpv1u_enb_data_forwarding_req_t
;
typedef
struct
gtpv1u_enb_data_forwarding_ind_s
{
uint32_t
frame
;
uint8_t
enb_flag
;
uint32_t
rb_id
;
uint32_t
muip
;
uint32_t
confirmp
;
uint32_t
sdu_size
;
uint8_t
*
sdu_p
;
uint8_t
mode
;
uint16_t
rnti
;
uint8_t
module_id
;
uint8_t
eNB_index
;
}
gtpv1u_enb_data_forwarding_ind_t
;
typedef
struct
gtpv1u_enb_end_marker_req_s
{
uint8_t
*
buffer
;
uint32_t
length
;
uint32_t
offset
;
///< start of message offset in buffer
rnti_t
rnti
;
rb_id_t
rab_id
;
}
gtpv1u_enb_end_marker_req_t
;
typedef
struct
gtpv1u_enb_end_marker_ind_s
{
uint32_t
frame
;
uint8_t
enb_flag
;
uint32_t
rb_id
;
uint32_t
muip
;
uint32_t
confirmp
;
uint32_t
sdu_size
;
uint8_t
*
sdu_p
;
uint8_t
mode
;
uint16_t
rnti
;
uint8_t
module_id
;
uint8_t
eNB_index
;
}
gtpv1u_enb_end_marker_ind_t
;
typedef
struct
{
in_addr_t
enb_ip_address_for_S1u_S12_S4_up
;
tcp_udp_port_t
enb_port_for_S1u_S12_S4_up
;
...
...
openair2/RRC/LTE/rrc_defs.h
View file @
e468376d
...
...
@@ -348,11 +348,24 @@ typedef enum HO_STATE_e {
HO_COMPLETE
,
// initiated by the target eNB
HO_REQUEST
,
HO_ACK
,
HO_FORWARDING
,
HO_CONFIGURED
,
HO_END_MARKER
,
HO_FORWARDING_COMPLETE
,
HO_RELEASE
,
HO_CANCEL
}
HO_STATE_t
;
typedef
enum
DATA_FORWARDING_STATE_e
{
FORWARDING_EMPTY
=
0
,
FORWARDING_NO_EMPTY
}
DATA_FORWARDING_STATE_t
;
typedef
enum
DATA_ENDMARK_STATE_e
{
ENDMARK_EMPTY
=
0
,
ENDMARK_NO_EMPTY
}
DATA_ENDMARK_STATE_t
;
typedef
enum
SL_TRIGGER_e
{
SL_RECEIVE_COMMUNICATION
=
0
,
SL_TRANSMIT_RELAY_ONE_TO_ONE
,
...
...
@@ -477,6 +490,9 @@ typedef struct HANDOVER_INFO_s {
uint8_t
buf
[
RRC_BUF_SIZE
];
/* ASN.1 encoded handoverCommandMessage */
int
size
;
/* size of above message in bytes */
int
x2_id
;
/* X2AP UE ID in the target eNB */
uint32_t
x2u_teid
;
DATA_FORWARDING_STATE_t
forwarding_state
;
DATA_ENDMARK_STATE_t
endmark_state
;
}
HANDOVER_INFO
;
typedef
struct
PER_EVENT_s
{
...
...
@@ -693,6 +709,12 @@ typedef struct eNB_RRC_UE_s {
uint32_t
enb_gtp_teid
[
S1AP_MAX_E_RAB
];
transport_layer_addr_t
enb_gtp_addrs
[
S1AP_MAX_E_RAB
];
rb_id_t
enb_gtp_ebi
[
S1AP_MAX_E_RAB
];
/* Total number of e_rab already setup in the list */
uint8_t
nb_x2u_e_rabs
;
// LG: For GTPV1 TUNNELS(X2U)
uint32_t
enb_gtp_x2u_teid
[
S1AP_MAX_E_RAB
];
transport_layer_addr_t
enb_gtp_x2u_addrs
[
S1AP_MAX_E_RAB
];
rb_id_t
enb_gtp_x2u_ebi
[
S1AP_MAX_E_RAB
];
uint32_t
ul_failure_timer
;
uint32_t
ue_release_timer
;
uint32_t
ue_release_timer_thres
;
...
...
openair2/RRC/LTE/rrc_eNB.c
View file @
e468376d
...
...
@@ -4585,7 +4585,9 @@ rrc_eNB_process_MeasurementReport(
/* HO info struct may not be needed anymore */
ue_context_pP
->
ue_context
.
handover_info
=
CALLOC
(
1
,
sizeof
(
*
(
ue_context_pP
->
ue_context
.
handover_info
)));
ue_context_pP
->
ue_context
.
Status
=
RRC_HO_EXECUTION
;
ue_context_pP
->
ue_context
.
handover_info
->
state
=
HO_REQUEST
;
/* HO Preparation message */
msg
=
itti_alloc_new_message
(
TASK_RRC_ENB
,
X2AP_HANDOVER_REQ
);
rrc_eNB_generate_HandoverPreparationInformation
(
...
...
@@ -4713,8 +4715,8 @@ void rrc_eNB_process_handoverPreparationInformation(int mod_id, x2ap_handover_re
RB_INSERT
(
rrc_ue_tree_s
,
&
RC
.
rrc
[
mod_id
]
->
rrc_ue_head
,
ue_context_target_p
);
LOG_D
(
RRC
,
"eNB %d: Created new UE context uid %u
\n
"
,
mod_id
,
ue_context_target_p
->
local_uid
);
ue_context_target_p
->
ue_context
.
handover_info
=
CALLOC
(
1
,
sizeof
(
*
(
ue_context_target_p
->
ue_context
.
handover_info
)));
ue_context_target_p
->
ue_context
.
Status
=
RRC_HO_EXECUTION
;
ue_context_target_p
->
ue_context
.
handover_info
->
state
=
HO_ACK
;
//
ue_context_target_p->ue_context.Status = RRC_HO_EXECUTION;
//
ue_context_target_p->ue_context.handover_info->state = HO_ACK;
ue_context_target_p
->
ue_context
.
handover_info
->
x2_id
=
m
->
x2_id
;
ue_context_target_p
->
ue_context
.
handover_info
->
assoc_id
=
m
->
target_assoc_id
;
memset
(
ue_context_target_p
->
ue_context
.
nh
,
0
,
32
);
...
...
@@ -4788,6 +4790,10 @@ void rrc_eNB_process_handoverPreparationInformation(int mod_id, x2ap_handover_re
ue_context_target_p
->
ue_context
.
e_rab
[
i
].
param
.
e_rab_id
,
ue_context_target_p
->
ue_context
.
e_rab
[
i
].
param
.
gtp_teid
);
}
rrc_eNB_process_X2AP_TUNNEL_SETUP_REQ
(
mod_id
,
ue_context_target_p
);
ue_context_target_p
->
ue_context
.
Status
=
RRC_HO_EXECUTION
;
ue_context_target_p
->
ue_context
.
handover_info
->
state
=
HO_ACK
;
}
void
rrc_eNB_process_handoverCommand
(
...
...
@@ -5003,7 +5009,8 @@ check_handovers(
if
(
ue_context_p
->
ue_context
.
handover_info
->
state
==
HO_ACK
)
{
MessageDef
*
msg
;
// Configure target
ue_context_p
->
ue_context
.
handover_info
->
state
=
HO_CONFIGURED
;
ue_context_p
->
ue_context
.
handover_info
->
state
=
HO_FORWARDING
;
msg
=
itti_alloc_new_message
(
TASK_RRC_ENB
,
X2AP_HANDOVER_REQ_ACK
);
rrc_eNB_generate_HO_RRCConnectionReconfiguration
(
ctxt_pP
,
ue_context_p
,
X2AP_HANDOVER_REQ_ACK
(
msg
).
rrc_buffer
,
&
X2AP_HANDOVER_REQ_ACK
(
msg
).
rrc_buffer_size
);
...
...
@@ -5016,13 +5023,162 @@ check_handovers(
X2AP_HANDOVER_REQ_ACK
(
msg
).
nb_e_rabs_tobesetup
=
ue_context_p
->
ue_context
.
setup_e_rabs
;
for
(
int
i
=
0
;
i
<
ue_context_p
->
ue_context
.
setup_e_rabs
;
i
++
)
{
/* set gtpv teid info */
X2AP_HANDOVER_REQ_ACK
(
msg
).
e_rabs_tobesetup
[
i
].
e_rab_id
=
ue_context_p
->
ue_context
.
e_rab
[
i
].
param
.
e_rab_id
;
X2AP_HANDOVER_REQ_ACK
(
msg
).
e_rabs_tobesetup
[
i
].
gtp_teid
=
ue_context_p
->
ue_context
.
enb_gtp_x2u_teid
[
i
];
X2AP_HANDOVER_REQ_ACK
(
msg
).
e_rabs_tobesetup
[
i
].
eNB_addr
=
ue_context_p
->
ue_context
.
enb_gtp_x2u_addrs
[
i
];
}
itti_send_msg_to_task
(
TASK_X2AP
,
ENB_MODULE_ID_TO_INSTANCE
(
ctxt_pP
->
module_id
),
msg
);
LOG_I
(
RRC
,
"RRC Sends X2 HO ACK to the source eNB at frame %d and subframe %d
\n
"
,
ctxt_pP
->
frame
,
ctxt_pP
->
subframe
);
}
}
if
(
ue_context_p
->
ue_context
.
Status
==
RRC_RECONFIGURED
&&
ue_context_p
->
ue_context
.
handover_info
!=
NULL
&&
ue_context_p
->
ue_context
.
handover_info
->
forwarding_state
==
FORWARDING_NO_EMPTY
)
{
#if defined(ENABLE_ITTI)
MessageDef
*
msg_p
;
int
result
;
protocol_ctxt_t
ctxt
;
do
{
// Checks if a message has been sent to PDCP sub-task
itti_poll_msg
(
TASK_DATA_FORWARDING
,
&
msg_p
);
if
(
msg_p
!=
NULL
)
{
switch
(
ITTI_MSG_ID
(
msg_p
))
{
case
GTPV1U_ENB_DATA_FORWARDING_IND
:
PROTOCOL_CTXT_SET_BY_MODULE_ID
(
&
ctxt
,
GTPV1U_ENB_DATA_FORWARDING_IND
(
msg_p
).
module_id
,
GTPV1U_ENB_DATA_FORWARDING_IND
(
msg_p
).
enb_flag
,
GTPV1U_ENB_DATA_FORWARDING_IND
(
msg_p
).
rnti
,
GTPV1U_ENB_DATA_FORWARDING_IND
(
msg_p
).
frame
,
0
,
GTPV1U_ENB_DATA_FORWARDING_IND
(
msg_p
).
eNB_index
);
LOG_D
(
RRC
,
PROTOCOL_CTXT_FMT
"[check_handovers]Received %s from %s: instance %d, rb_id %d, muiP %d, confirmP %d, mode %d
\n
"
,
PROTOCOL_CTXT_ARGS
(
&
ctxt
),
ITTI_MSG_NAME
(
msg_p
),
ITTI_MSG_ORIGIN_NAME
(
msg_p
),
ITTI_MSG_INSTANCE
(
msg_p
),
GTPV1U_ENB_DATA_FORWARDING_IND
(
msg_p
).
rb_id
,
GTPV1U_ENB_DATA_FORWARDING_IND
(
msg_p
).
muip
,
GTPV1U_ENB_DATA_FORWARDING_IND
(
msg_p
).
confirmp
,
GTPV1U_ENB_DATA_FORWARDING_IND
(
msg_p
).
mode
);
LOG_I
(
RRC
,
"Before calling pdcp_data_req from check_handovers! GTPV1U_ENB_DATA_FORWARDING_IND (msg_p).rb_id: %d
\n
"
,
GTPV1U_ENB_DATA_FORWARDING_IND
(
msg_p
).
rb_id
);
result
=
pdcp_data_req
(
&
ctxt
,
SRB_FLAG_NO
,
GTPV1U_ENB_DATA_FORWARDING_IND
(
msg_p
).
rb_id
,
GTPV1U_ENB_DATA_FORWARDING_IND
(
msg_p
).
muip
,
GTPV1U_ENB_DATA_FORWARDING_IND
(
msg_p
).
confirmp
,
GTPV1U_ENB_DATA_FORWARDING_IND
(
msg_p
).
sdu_size
,
GTPV1U_ENB_DATA_FORWARDING_IND
(
msg_p
).
sdu_p
,
GTPV1U_ENB_DATA_FORWARDING_IND
(
msg_p
).
mode
#if (LTE_RRC_VERSION >= MAKE_VERSION(14, 0, 0))
,
NULL
,
NULL
#endif
);
if
(
result
!=
TRUE
){
LOG_E
(
RRC
,
"target enb send data forwarding buffer to PDCP request failed!
\n
"
);
}
else
{
LOG_D
(
RRC
,
"target enb send data forwarding buffer to PDCP!
\n
"
);
}
// Message buffer has been processed, free it now.
result
=
itti_free
(
ITTI_MSG_ORIGIN_ID
(
msg_p
),
GTPV1U_ENB_DATA_FORWARDING_IND
(
msg_p
).
sdu_p
);
AssertFatal
(
result
==
EXIT_SUCCESS
,
"Failed to free memory (%d)!
\n
"
,
result
);
break
;
default:
LOG_E
(
RRC
,
"Received unexpected message %s
\n
"
,
ITTI_MSG_NAME
(
msg_p
));
break
;
}
result
=
itti_free
(
ITTI_MSG_ORIGIN_ID
(
msg_p
),
msg_p
);
AssertFatal
(
result
==
EXIT_SUCCESS
,
"Failed to free memory (%d)!
\n
"
,
result
);
}
}
while
(
msg_p
!=
NULL
);
ue_context_p
->
ue_context
.
handover_info
->
forwarding_state
=
FORWARDING_EMPTY
;
}
if
(
ue_context_p
->
ue_context
.
Status
==
RRC_RECONFIGURED
&&
ue_context_p
->
ue_context
.
handover_info
!=
NULL
&&
ue_context_p
->
ue_context
.
handover_info
->
forwarding_state
==
FORWARDING_EMPTY
&&
ue_context_p
->
ue_context
.
handover_info
->
endmark_state
==
ENDMARK_NO_EMPTY
&&
ue_context_p
->
ue_context
.
handover_info
->
state
==
HO_END_MARKER
){
MessageDef
*
msg_p
;
int
result
;
protocol_ctxt_t
ctxt
;
do
{
// Checks if a message has been sent to PDCP sub-task
itti_poll_msg
(
TASK_END_MARKER
,
&
msg_p
);
if
(
msg_p
!=
NULL
)
{
switch
(
ITTI_MSG_ID
(
msg_p
))
{
case
GTPV1U_ENB_END_MARKER_IND
:
PROTOCOL_CTXT_SET_BY_MODULE_ID
(
&
ctxt
,
GTPV1U_ENB_END_MARKER_IND
(
msg_p
).
module_id
,
GTPV1U_ENB_END_MARKER_IND
(
msg_p
).
enb_flag
,
GTPV1U_ENB_END_MARKER_IND
(
msg_p
).
rnti
,
GTPV1U_ENB_END_MARKER_IND
(
msg_p
).
frame
,
0
,
GTPV1U_ENB_END_MARKER_IND
(
msg_p
).
eNB_index
);
LOG_I
(
RRC
,
PROTOCOL_CTXT_FMT
"[check_handovers]Received %s from %s: instance %d, rb_id %d, muiP %d, confirmP %d, mode %d
\n
"
,
PROTOCOL_CTXT_ARGS
(
&
ctxt
),
ITTI_MSG_NAME
(
msg_p
),
ITTI_MSG_ORIGIN_NAME
(
msg_p
),
ITTI_MSG_INSTANCE
(
msg_p
),
GTPV1U_ENB_DATA_FORWARDING_IND
(
msg_p
).
rb_id
,
GTPV1U_ENB_DATA_FORWARDING_IND
(
msg_p
).
muip
,
GTPV1U_ENB_DATA_FORWARDING_IND
(
msg_p
).
confirmp
,
GTPV1U_ENB_DATA_FORWARDING_IND
(
msg_p
).
mode
);
LOG_D
(
RRC
,
"Before calling pdcp_data_req from check_handovers! GTPV1U_ENB_DATA_FORWARDING_IND (msg_p).rb_id: %d
\n
"
,
GTPV1U_ENB_DATA_FORWARDING_IND
(
msg_p
).
rb_id
);
result
=
pdcp_data_req
(
&
ctxt
,
SRB_FLAG_NO
,
GTPV1U_ENB_END_MARKER_IND
(
msg_p
).
rb_id
,
GTPV1U_ENB_END_MARKER_IND
(
msg_p
).
muip
,
GTPV1U_ENB_END_MARKER_IND
(
msg_p
).
confirmp
,
GTPV1U_ENB_END_MARKER_IND
(
msg_p
).
sdu_size
,
GTPV1U_ENB_END_MARKER_IND
(
msg_p
).
sdu_p
,
GTPV1U_ENB_END_MARKER_IND
(
msg_p
).
mode
#if (LTE_RRC_VERSION >= MAKE_VERSION(14, 0, 0))
,
NULL
,
NULL
#endif
);
if
(
result
!=
TRUE
){
LOG_E
(
RRC
,
"target enb send spgw buffer to PDCP request failed!
\n
"
);
}
else
{
LOG_D
(
RRC
,
"target enb send spgw buffer to PDCP!
\n
"
);
}
// Message buffer has been processed, free it now.
result
=
itti_free
(
ITTI_MSG_ORIGIN_ID
(
msg_p
),
GTPV1U_ENB_END_MARKER_IND
(
msg_p
).
sdu_p
);
AssertFatal
(
result
==
EXIT_SUCCESS
,
"Failed to free memory (%d)!
\n
"
,
result
);
break
;
default:
LOG_E
(
RRC
,
"Received unexpected message %s
\n
"
,
ITTI_MSG_NAME
(
msg_p
));
break
;
}
result
=
itti_free
(
ITTI_MSG_ORIGIN_ID
(
msg_p
),
msg_p
);
AssertFatal
(
result
==
EXIT_SUCCESS
,
"Failed to free memory (%d)!
\n
"
,
result
);
}
}
while
(
msg_p
!=
NULL
);
ue_context_p
->
ue_context
.
handover_info
->
endmark_state
=
ENDMARK_EMPTY
;
ue_context_p
->
ue_context
.
handover_info
->
state
=
HO_FORWARDING_COMPLETE
;
}
#endif
}
}
...
...
@@ -7585,6 +7741,9 @@ rrc_eNB_decode_dcch(
dedicated_DRB
=
3
;
RC
.
mac
[
ctxt_pP
->
module_id
]
->
UE_list
.
UE_sched_ctrl
[
UE_id
].
crnti_reconfigurationcomplete_flag
=
0
;
ue_context_p
->
ue_context
.
Status
=
RRC_RECONFIGURED
;
if
(
ue_context_p
->
ue_context
.
handover_info
){
ue_context_p
->
ue_context
.
handover_info
->
state
=
HO_CONFIGURED
;
}
LOG_I
(
RRC
,
PROTOCOL_RRC_CTXT_UE_FMT
" UE State = RRC_HO_EXECUTION (xid %ld)
\n
"
,
PROTOCOL_RRC_CTXT_UE_ARGS
(
ctxt_pP
),
ul_dcch_msg
->
message
.
choice
.
c1
.
choice
.
rrcConnectionReconfigurationComplete
.
rrc_TransactionIdentifier
);
...
...
@@ -7663,6 +7822,7 @@ rrc_eNB_decode_dcch(
}
}
else
if
(
dedicated_DRB
==
0
)
{
if
(
ue_context_p
->
ue_context
.
reestablishment_cause
==
LTE_ReestablishmentCause_spare1
)
{
rrc_eNB_send_S1AP_INITIAL_CONTEXT_SETUP_RESP
(
ctxt_pP
,
ue_context_p
);
}
else
{
...
...
@@ -8568,7 +8728,7 @@ void *rrc_enb_process_itti_msg(void *notUsed) {
instance
=
ITTI_MSG_INSTANCE
(
msg_p
);
/* RRC_SUBFRAME_PROCESS is sent every subframe, do not log it */
if
(
ITTI_MSG_ID
(
msg_p
)
!=
RRC_SUBFRAME_PROCESS
)
LOG_
I
(
RRC
,
"Received message %s
\n
"
,
msg_name_p
);
LOG_
D
(
RRC
,
"Received message %s
\n
"
,
msg_name_p
);
switch
(
ITTI_MSG_ID
(
msg_p
))
{
case
TERMINATE_MESSAGE
:
...
...
@@ -8707,6 +8867,9 @@ void *rrc_enb_process_itti_msg(void *notUsed) {
case
X2AP_HANDOVER_REQ_ACK
:
{
struct
rrc_eNB_ue_context_s
*
ue_context_p
=
NULL
;
x2ap_handover_req_ack_t
*
x2ap_handover_req_ack
=
NULL
;
hashtable_rc_t
hash_rc
=
HASH_TABLE_KEY_NOT_EXISTS
;
gtpv1u_ue_data_t
*
gtpv1u_ue_data_p
=
NULL
;
ue_context_p
=
rrc_eNB_get_ue_context
(
RC
.
rrc
[
instance
],
X2AP_HANDOVER_REQ_ACK
(
msg_p
).
rnti
);
if
(
ue_context_p
==
NULL
)
{
/* is it possible? */
...
...
@@ -8718,7 +8881,44 @@ void *rrc_enb_process_itti_msg(void *notUsed) {
DevAssert
(
ue_context_p
!=
NULL
);
if
(
ue_context_p
->
ue_context
.
handover_info
->
state
!=
HO_REQUEST
)
abort
();
hash_rc
=
hashtable_get
(
RC
.
gtpv1u_data_g
->
ue_mapping
,
ue_context_p
->
ue_context
.
rnti
,
(
void
**
)
&
gtpv1u_ue_data_p
);
/* set target enb gtp teid */
if
(
hash_rc
==
HASH_TABLE_KEY_NOT_EXISTS
)
{
LOG_E
(
RRC
,
"X2AP_HANDOVER_REQ_ACK func(), hashtable_get failed: while getting ue rnti %x in hashtable ue_mapping
\n
"
,
ue_context_p
->
ue_context
.
rnti
);
}
else
{
uint8_t
nb_e_rabs_tobesetup
=
0
;
ebi_t
eps_bearer_id
=
0
;
int
ip_offset
=
0
;
in_addr_t
in_addr
;
x2ap_handover_req_ack
=
&
X2AP_HANDOVER_REQ_ACK
(
msg_p
);
nb_e_rabs_tobesetup
=
x2ap_handover_req_ack
->
nb_e_rabs_tobesetup
;
ue_context_p
->
ue_context
.
nb_x2u_e_rabs
=
nb_e_rabs_tobesetup
;
for
(
int
i
=
0
;
i
<
nb_e_rabs_tobesetup
;
i
++
){
ip_offset
=
0
;
eps_bearer_id
=
x2ap_handover_req_ack
->
e_rabs_tobesetup
[
i
].
e_rab_id
;
ue_context_p
->
ue_context
.
enb_gtp_x2u_ebi
[
i
]
=
eps_bearer_id
;
ue_context_p
->
ue_context
.
enb_gtp_x2u_teid
[
i
]
=
x2ap_handover_req_ack
->
e_rabs_tobesetup
[
i
].
gtp_teid
;
gtpv1u_ue_data_p
->
bearers
[
eps_bearer_id
-
GTPV1U_BEARER_OFFSET
].
teid_teNB
=
x2ap_handover_req_ack
->
e_rabs_tobesetup
[
i
].
gtp_teid
;
if
((
x2ap_handover_req_ack
->
e_rabs_tobesetup
[
i
].
eNB_addr
.
length
==
4
)
||
(
x2ap_handover_req_ack
->
e_rabs_tobesetup
[
i
].
eNB_addr
.
length
==
20
))
{
in_addr
=
*
((
in_addr_t
*
)
x2ap_handover_req_ack
->
e_rabs_tobesetup
[
i
].
eNB_addr
.
buffer
);
ip_offset
=
4
;
gtpv1u_ue_data_p
->
bearers
[
eps_bearer_id
-
GTPV1U_BEARER_OFFSET
].
tenb_ip_addr
=
in_addr
;
ue_context_p
->
ue_context
.
enb_gtp_x2u_addrs
[
i
]
=
x2ap_handover_req_ack
->
e_rabs_tobesetup
[
i
].
eNB_addr
;
}
if
((
x2ap_handover_req_ack
->
e_rabs_tobesetup
[
i
].
eNB_addr
.
length
==
16
)
||
(
x2ap_handover_req_ack
->
e_rabs_tobesetup
[
i
].
eNB_addr
.
length
==
20
))
{
memcpy
(
gtpv1u_ue_data_p
->
bearers
[
eps_bearer_id
-
GTPV1U_BEARER_OFFSET
].
tenb_ip6_addr
.
s6_addr
,
&
x2ap_handover_req_ack
->
e_rabs_tobesetup
[
i
].
eNB_addr
.
buffer
[
ip_offset
],
16
);
}
}
}
rrc_eNB_process_handoverCommand
(
instance
,
ue_context_p
,
&
X2AP_HANDOVER_REQ_ACK
(
msg_p
));
ue_context_p
->
ue_context
.
handover_info
->
state
=
HO_PREPARE
;
break
;
...
...
openair2/RRC/LTE/rrc_eNB_GTPV1U.c
View file @
e468376d
...
...
@@ -27,14 +27,19 @@
* \email: lionel.gauthier@eurecom.fr
*/
//#if defined(ENABLE_USE_MME)
# include "rrc_defs.h"
# include "rrc_extern.h"
# include "RRC/LTE/MESSAGES/asn1_msg.h"
# include "rrc_eNB_GTPV1U.h"
# include "rrc_eNB_UE_context.h"
# include "msc.h"
//# if defined(ENABLE_ITTI)
# include "asn1_conversions.h"
# include "intertask_interface.h"
//#endif
# include "common/ran_context.h"
extern
RAN_CONTEXT_t
RC
;
...
...
@@ -88,6 +93,88 @@ rrc_eNB_process_GTPV1U_CREATE_TUNNEL_RESP(
}
}
//------------------------------------------------------------------------------
boolean_t
gtpv_data_req
(
const
protocol_ctxt_t
*
const
ctxt_pP
,
const
rb_id_t
rb_idP
,
const
mui_t
muiP
,
const
confirm_t
confirmP
,
const
sdu_size_t
sdu_sizeP
,
uint8_t
*
const
buffer_pP
,
const
pdcp_transmission_mode_t
modeP
,
uint32_t
task_id
)
//------------------------------------------------------------------------------
{
if
(
sdu_sizeP
==
0
)
{
LOG_I
(
GTPU
,
"gtpv_data_req sdu_sizeP == 0"
);
return
FALSE
;
}
LOG_D
(
GTPU
,
"gtpv_data_req ue rnti %x sdu_sizeP %d rb id %d"
,
ctxt_pP
->
rnti
,
sdu_sizeP
,
rb_idP
);
#if defined(ENABLE_ITTI)
{
MessageDef
*
message_p
;
// Uses a new buffer to avoid issue with PDCP buffer content that could be changed by PDCP (asynchronous message handling).
uint8_t
*
message_buffer
;
if
(
task_id
==
TASK_DATA_FORWARDING
){
LOG_I
(
GTPU
,
"gtpv_data_req task_id = TASK_DATA_FORWARDING
\n
"
);
message_buffer
=
itti_malloc
(
TASK_GTPV1_U
,
TASK_DATA_FORWARDING
,
sdu_sizeP
);
memcpy
(
message_buffer
,
buffer_pP
,
sdu_sizeP
);
message_p
=
itti_alloc_new_message
(
TASK_GTPV1_U
,
GTPV1U_ENB_DATA_FORWARDING_IND
);
GTPV1U_ENB_DATA_FORWARDING_IND
(
message_p
).
frame
=
ctxt_pP
->
frame
;
GTPV1U_ENB_DATA_FORWARDING_IND
(
message_p
).
enb_flag
=
ctxt_pP
->
enb_flag
;
GTPV1U_ENB_DATA_FORWARDING_IND
(
message_p
).
rb_id
=
rb_idP
;
GTPV1U_ENB_DATA_FORWARDING_IND
(
message_p
).
muip
=
muiP
;
GTPV1U_ENB_DATA_FORWARDING_IND
(
message_p
).
confirmp
=
confirmP
;
GTPV1U_ENB_DATA_FORWARDING_IND
(
message_p
).
sdu_size
=
sdu_sizeP
;
GTPV1U_ENB_DATA_FORWARDING_IND
(
message_p
).
sdu_p
=
message_buffer
;
GTPV1U_ENB_DATA_FORWARDING_IND
(
message_p
).
mode
=
modeP
;
GTPV1U_ENB_DATA_FORWARDING_IND
(
message_p
).
module_id
=
ctxt_pP
->
module_id
;
GTPV1U_ENB_DATA_FORWARDING_IND
(
message_p
).
rnti
=
ctxt_pP
->
rnti
;
GTPV1U_ENB_DATA_FORWARDING_IND
(
message_p
).
eNB_index
=
ctxt_pP
->
eNB_index
;
itti_send_msg_to_task
(
TASK_DATA_FORWARDING
,
ctxt_pP
->
instance
,
message_p
);
return
TRUE
;
// TODO should be changed to a CNF message later, currently RRC lite does not used the returned value anyway.
}
else
if
(
task_id
==
TASK_END_MARKER
){
LOG_I
(
GTPU
,
"gtpv_data_req task_id = TASK_END_MARKER
\n
"
);
message_buffer
=
itti_malloc
(
TASK_GTPV1_U
,
TASK_END_MARKER
,
sdu_sizeP
);
memcpy
(
message_buffer
,
buffer_pP
,
sdu_sizeP
);
message_p
=
itti_alloc_new_message
(
TASK_GTPV1_U
,
GTPV1U_ENB_END_MARKER_IND
);
GTPV1U_ENB_END_MARKER_IND
(
message_p
).
frame
=
ctxt_pP
->
frame
;
GTPV1U_ENB_END_MARKER_IND
(
message_p
).
enb_flag
=
ctxt_pP
->
enb_flag
;
GTPV1U_ENB_END_MARKER_IND
(
message_p
).
rb_id
=
rb_idP
;
GTPV1U_ENB_END_MARKER_IND
(
message_p
).
muip
=
muiP
;
GTPV1U_ENB_END_MARKER_IND
(
message_p
).
confirmp
=
confirmP
;
GTPV1U_ENB_END_MARKER_IND
(
message_p
).
sdu_size
=
sdu_sizeP
;
GTPV1U_ENB_END_MARKER_IND
(
message_p
).
sdu_p
=
message_buffer
;
GTPV1U_ENB_END_MARKER_IND
(
message_p
).
mode
=
modeP
;
GTPV1U_ENB_END_MARKER_IND
(
message_p
).
module_id
=
ctxt_pP
->
module_id
;
GTPV1U_ENB_END_MARKER_IND
(
message_p
).
rnti
=
ctxt_pP
->
rnti
;
GTPV1U_ENB_END_MARKER_IND
(
message_p
).
eNB_index
=
ctxt_pP
->
eNB_index
;
itti_send_msg_to_task
(
TASK_END_MARKER
,
ctxt_pP
->
instance
,
message_p
);
return
TRUE
;
// TODO should be changed to a CNF message later, currently RRC lite does not used the returned value anyway.
}
}
#endif
return
TRUE
;
}
//#endif
void
rrc_eNB_send_GTPV1U_ENB_DELETE_TUNNEL_REQ
(
module_id_t
enb_mod_idP
,
const
rrc_eNB_ue_context_t
*
const
ue_context_pP
...
...
@@ -112,3 +199,5 @@ void rrc_eNB_send_GTPV1U_ENB_DELETE_TUNNEL_REQ(
}
itti_send_msg_to_task
(
TASK_GTPV1_U
,
ENB_MODULE_ID_TO_INSTANCE
(
enb_mod_idP
),
msg
);
}
openair2/RRC/LTE/rrc_eNB_GTPV1U.h
View file @
e468376d
...
...
@@ -53,4 +53,16 @@ void rrc_eNB_send_GTPV1U_ENB_DELETE_TUNNEL_REQ(
const
rrc_eNB_ue_context_t
*
const
ue_context_pP
);
boolean_t
gtpv_data_req
(
const
protocol_ctxt_t
*
const
ctxt_pP
,
const
rb_id_t
rb_idP
,
const
mui_t
muiP
,
const
confirm_t
confirmP
,
const
sdu_size_t
sdu_sizeP
,
uint8_t
*
const
buffer_pP
,
const
pdcp_transmission_mode_t
modeP
,
uint32_t
task_id
);
#endif
/* RRC_ENB_GTPV1U_H_ */
openair2/RRC/LTE/rrc_eNB_S1AP.c
View file @
e468376d
...
...
@@ -2040,6 +2040,70 @@ int rrc_eNB_send_PATH_SWITCH_REQ(const protocol_ctxt_t *const ctxt_pP,
return
0
;
}
int
rrc_eNB_process_X2AP_TUNNEL_SETUP_REQ
(
instance_t
instance
,
rrc_eNB_ue_context_t
*
const
ue_context_target_p
)
{
gtpv1u_enb_create_x2u_tunnel_req_t
create_tunnel_req
;
gtpv1u_enb_create_x2u_tunnel_resp_t
create_tunnel_resp
;
uint8_t
e_rab_done
;
uint8_t
inde_list
[
NB_RB_MAX
-
3
]
=
{
0
};
LOG_I
(
RRC
,
"[eNB %d] rrc_eNB_process_X2AP_TUNNEL_SETUP_REQ: rnti %u nb_of_e_rabs %d
\n
"
,
instance
,
ue_context_target_p
->
ue_context
.
rnti
,
ue_context_target_p
->
ue_context
.
nb_of_e_rabs
);
if
(
ue_context_target_p
==
NULL
)
{
return
(
-
1
);
}
else
{
/* Save e RAB information for later */
{
int
i
;
memset
(
&
create_tunnel_req
,
0
,
sizeof
(
create_tunnel_req
));
uint8_t
nb_e_rabs_tosetup
=
ue_context_target_p
->
ue_context
.
nb_of_e_rabs
;
e_rab_done
=
0
;
for
(
i
=
0
;
i
<
nb_e_rabs_tosetup
;
i
++
)
{
if
(
ue_context_target_p
->
ue_context
.
e_rab
[
i
].
status
>=
E_RAB_STATUS_DONE
)
continue
;
create_tunnel_req
.
eps_bearer_id
[
e_rab_done
]
=
ue_context_target_p
->
ue_context
.
e_rab
[
i
].
param
.
e_rab_id
;
LOG_I
(
RRC
,
"x2 tunnel setup: local index %d UE id %x, eps id %d
\n
"
,
i
,
ue_context_target_p
->
ue_context
.
rnti
,
create_tunnel_req
.
eps_bearer_id
[
i
]
);
inde_list
[
i
]
=
e_rab_done
;
e_rab_done
++
;
}
create_tunnel_req
.
rnti
=
ue_context_target_p
->
ue_context
.
rnti
;
// warning put zero above
create_tunnel_req
.
num_tunnels
=
e_rab_done
;
// NN: not sure if we should create a new tunnel: need to check teid, etc.
gtpv1u_create_x2u_tunnel
(
instance
,
&
create_tunnel_req
,
&
create_tunnel_resp
);
ue_context_target_p
->
ue_context
.
nb_x2u_e_rabs
=
create_tunnel_resp
.
num_tunnels
;
for
(
i
=
0
;
i
<
create_tunnel_resp
.
num_tunnels
;
i
++
)
{
ue_context_target_p
->
ue_context
.
enb_gtp_x2u_teid
[
inde_list
[
i
]]
=
create_tunnel_resp
.
enb_X2u_teid
[
i
];
ue_context_target_p
->
ue_context
.
enb_gtp_x2u_addrs
[
inde_list
[
i
]]
=
create_tunnel_resp
.
enb_addr
;
ue_context_target_p
->
ue_context
.
enb_gtp_x2u_ebi
[
inde_list
[
i
]]
=
create_tunnel_resp
.
eps_bearer_id
[
i
];
LOG_I
(
RRC
,
"rrc_eNB_process_X2AP_TUNNEL_SETUP_REQ tunnel (%u, %u) bearer UE context index %u, msg index %u, eps bearer id %u, gtp addr len %d
\n
"
,
create_tunnel_resp
.
enb_X2u_teid
[
i
],
ue_context_target_p
->
ue_context
.
enb_gtp_x2u_teid
[
inde_list
[
i
]],
inde_list
[
i
],
i
,
create_tunnel_resp
.
eps_bearer_id
[
i
],
create_tunnel_resp
.
enb_addr
.
length
);
}
}
return
(
0
);
}
}
int
rrc_eNB_process_S1AP_PATH_SWITCH_REQ_ACK
(
MessageDef
*
msg_p
,
const
char
*
msg_name
,
instance_t
instance
)
{
uint16_t
ue_initial_id
;
uint32_t
eNB_ue_s1ap_id
;
...
...
openair2/RRC/LTE/rrc_eNB_S1AP.h
View file @
e468376d
...
...
@@ -278,6 +278,7 @@ int rrc_eNB_send_S1AP_E_RAB_RELEASE_RESPONSE(const protocol_ctxt_t *const ctxt_p
int
rrc_eNB_send_PATH_SWITCH_REQ
(
const
protocol_ctxt_t
*
const
ctxt_pP
,
rrc_eNB_ue_context_t
*
const
ue_context_pP
);
int
rrc_eNB_process_X2AP_TUNNEL_SETUP_REQ
(
instance_t
instance
,
rrc_eNB_ue_context_t
*
const
ue_context_target_p
);
int
rrc_eNB_process_S1AP_PATH_SWITCH_REQ_ACK
(
MessageDef
*
msg_p
,
const
char
*
msg_name
,
instance_t
instance
);
int
rrc_eNB_send_X2AP_UE_CONTEXT_RELEASE
(
const
protocol_ctxt_t
*
const
ctxt_pP
,
rrc_eNB_ue_context_t
*
const
ue_context_pP
);
...
...
openair2/X2AP/x2ap_eNB_generate_messages.c
View file @
e468376d
...
...
@@ -797,6 +797,27 @@ int x2ap_eNB_generate_x2_handover_request_ack (x2ap_eNB_instance_t *instance_p,
e_RABs_Admitted_Item
=
&
e_RABS_Admitted_ItemIEs
->
value
.
choice
.
E_RABs_Admitted_Item
;
{
e_RABs_Admitted_Item
->
e_RAB_ID
=
x2ap_handover_req_ack
->
e_rabs_tobesetup
[
i
].
e_rab_id
;
e_RABs_Admitted_Item
->
uL_GTP_TunnelEndpoint
=
NULL
;
e_RABs_Admitted_Item
->
dL_GTP_TunnelEndpoint
=
(
X2AP_GTPtunnelEndpoint_t
*
)
calloc
(
1
,
sizeof
(
*
e_RABs_Admitted_Item
->
dL_GTP_TunnelEndpoint
));
e_RABs_Admitted_Item
->
dL_GTP_TunnelEndpoint
->
transportLayerAddress
.
size
=
(
uint8_t
)
x2ap_handover_req_ack
->
e_rabs_tobesetup
[
i
].
eNB_addr
.
length
;
e_RABs_Admitted_Item
->
dL_GTP_TunnelEndpoint
->
transportLayerAddress
.
bits_unused
=
0
;
e_RABs_Admitted_Item
->
dL_GTP_TunnelEndpoint
->
transportLayerAddress
.
buf
=
calloc
(
1
,
e_RABs_Admitted_Item
->
dL_GTP_TunnelEndpoint
->
transportLayerAddress
.
size
);
memcpy
(
e_RABs_Admitted_Item
->
dL_GTP_TunnelEndpoint
->
transportLayerAddress
.
buf
,
x2ap_handover_req_ack
->
e_rabs_tobesetup
[
i
].
eNB_addr
.
buffer
,
e_RABs_Admitted_Item
->
dL_GTP_TunnelEndpoint
->
transportLayerAddress
.
size
);
X2AP_DEBUG
(
"X2 handover response target ip addr. length %lu bits_unused %d buf %d.%d.%d.%d
\n
"
,
e_RABs_Admitted_Item
->
dL_GTP_TunnelEndpoint
->
transportLayerAddress
.
size
,
e_RABs_Admitted_Item
->
dL_GTP_TunnelEndpoint
->
transportLayerAddress
.
bits_unused
,
e_RABs_Admitted_Item
->
dL_GTP_TunnelEndpoint
->
transportLayerAddress
.
buf
[
0
],
e_RABs_Admitted_Item
->
dL_GTP_TunnelEndpoint
->
transportLayerAddress
.
buf
[
1
],
e_RABs_Admitted_Item
->
dL_GTP_TunnelEndpoint
->
transportLayerAddress
.
buf
[
2
],
e_RABs_Admitted_Item
->
dL_GTP_TunnelEndpoint
->
transportLayerAddress
.
buf
[
3
]);
INT32_TO_OCTET_STRING
(
x2ap_handover_req_ack
->
e_rabs_tobesetup
[
i
].
gtp_teid
,
&
e_RABs_Admitted_Item
->
dL_GTP_TunnelEndpoint
->
gTP_TEID
);
}
ASN_SEQUENCE_ADD
(
&
ie
->
value
.
choice
.
E_RABs_Admitted_List
.
list
,
e_RABS_Admitted_ItemIEs
);
}
...
...
openair2/X2AP/x2ap_eNB_handler.c
View file @
e468376d
...
...
@@ -749,6 +749,8 @@ int x2ap_eNB_handle_handover_response (instance_t instance,
{
X2AP_HandoverRequestAcknowledge_t
*
x2HandoverRequestAck
;
X2AP_HandoverRequestAcknowledge_IEs_t
*
ie
;
X2AP_E_RABs_Admitted_ItemIEs_t
*
e_RABS_Admitted_ItemIEs
;
X2AP_E_RABs_Admitted_Item_t
*
e_RABs_Admitted_Item
;
x2ap_eNB_instance_t
*
instance_p
;
x2ap_eNB_data_t
*
x2ap_eNB_data
;
...
...
@@ -816,6 +818,56 @@ int x2ap_eNB_handle_handover_response (instance_t instance,
X2AP_HANDOVER_REQ_ACK
(
msg
).
rnti
=
rnti
;
X2AP_FIND_PROTOCOLIE_BY_ID
(
X2AP_HandoverRequestAcknowledge_IEs_t
,
ie
,
x2HandoverRequestAck
,
X2AP_ProtocolIE_ID_id_E_RABs_Admitted_List
,
true
);
if
(
ie
==
NULL
)
{
X2AP_ERROR
(
"%s %d: ie is a NULL pointer
\n
"
,
__FILE__
,
__LINE__
);
return
-
1
;
}
else
{
if
(
ie
->
value
.
choice
.
E_RABs_Admitted_List
.
list
.
count
>
0
)
{
uint8_t
nb_e_rabs_tobesetup
;
nb_e_rabs_tobesetup
=
ie
->
value
.
choice
.
E_RABs_Admitted_List
.
list
.
count
;
X2AP_HANDOVER_REQ_ACK
(
msg
).
nb_e_rabs_tobesetup
=
nb_e_rabs_tobesetup
;
for
(
int
i
=
0
;
i
<
nb_e_rabs_tobesetup
;
i
++
)
{
e_RABS_Admitted_ItemIEs
=
(
X2AP_E_RABs_Admitted_ItemIEs_t
*
)
ie
->
value
.
choice
.
E_RABs_Admitted_List
.
list
.
array
[
i
];
e_RABs_Admitted_Item
=
&
e_RABS_Admitted_ItemIEs
->
value
.
choice
.
E_RABs_Admitted_Item
;
X2AP_HANDOVER_REQ_ACK
(
msg
).
e_rabs_tobesetup
[
i
].
e_rab_id
=
e_RABs_Admitted_Item
->
e_RAB_ID
;
X2AP_ERROR
(
"x2u tunnel: index %d e_rab_id %d
\n
"
,
i
,
X2AP_HANDOVER_REQ_ACK
(
msg
).
e_rabs_tobesetup
[
i
].
e_rab_id
);
if
(
e_RABs_Admitted_Item
->
dL_GTP_TunnelEndpoint
==
NULL
){
X2AP_DEBUG
(
"%s %d: X2AP_E_RABs_Admitted_Item_t->dL_GTP_TunnelEndpoint is a NULL pointer
\n
"
,
__FILE__
,
__LINE__
);
continue
;
}
memcpy
(
X2AP_HANDOVER_REQ_ACK
(
msg
).
e_rabs_tobesetup
[
i
].
eNB_addr
.
buffer
,
e_RABs_Admitted_Item
->
dL_GTP_TunnelEndpoint
->
transportLayerAddress
.
buf
,
e_RABs_Admitted_Item
->
dL_GTP_TunnelEndpoint
->
transportLayerAddress
.
size
);
X2AP_HANDOVER_REQ_ACK
(
msg
).
e_rabs_tobesetup
[
i
].
eNB_addr
.
length
=
e_RABs_Admitted_Item
->
dL_GTP_TunnelEndpoint
->
transportLayerAddress
.
size
;
OCTET_STRING_TO_INT32
(
&
e_RABs_Admitted_Item
->
dL_GTP_TunnelEndpoint
->
gTP_TEID
,
X2AP_HANDOVER_REQ_ACK
(
msg
).
e_rabs_tobesetup
[
i
].
gtp_teid
);
X2AP_DEBUG
(
"x2u tunnel: index %d target enb ip %d.%d.%d.%d length %d gtp teid %u
\n
"
,
i
,
X2AP_HANDOVER_REQ_ACK
(
msg
).
e_rabs_tobesetup
[
i
].
eNB_addr
.
buffer
[
0
],
X2AP_HANDOVER_REQ_ACK
(
msg
).
e_rabs_tobesetup
[
i
].
eNB_addr
.
buffer
[
1
],
X2AP_HANDOVER_REQ_ACK
(
msg
).
e_rabs_tobesetup
[
i
].
eNB_addr
.
buffer
[
2
],
X2AP_HANDOVER_REQ_ACK
(
msg
).
e_rabs_tobesetup
[
i
].
eNB_addr
.
buffer
[
3
],
X2AP_HANDOVER_REQ_ACK
(
msg
).
e_rabs_tobesetup
[
i
].
eNB_addr
.
length
,
X2AP_HANDOVER_REQ_ACK
(
msg
).
e_rabs_tobesetup
[
i
].
gtp_teid
);
}
}
}
X2AP_FIND_PROTOCOLIE_BY_ID
(
X2AP_HandoverRequestAcknowledge_IEs_t
,
ie
,
x2HandoverRequestAck
,
X2AP_ProtocolIE_ID_id_TargeteNBtoSource_eNBTransparentContainer
,
true
);
...
...
openair3/GTPV1-U/gtpv1u_eNB.c
View file @
e468376d
...
...
@@ -50,12 +50,18 @@
#include "common/ran_context.h"
#include "gtpv1u_eNB_defs.h"
#include "gtpv1u_eNB_task.h"
#include "rrc_eNB_GTPV1U.h"
#undef GTP_DUMP_SOCKET
extern
unsigned
char
NB_eNB_INST
;
extern
RAN_CONTEXT_t
RC
;
extern
struct
rrc_eNB_ue_context_s
*
rrc_eNB_get_ue_context
(
eNB_RRC_INST
*
rrc_instance_pP
,
rnti_t
rntiP
);
#if defined(GTP_DUMP_SOCKET) && GTP_DUMP_SOCKET > 0
#include <linux/if.h>
static
int
gtpv1u_dump_socket_g
;
...
...
@@ -105,6 +111,27 @@ static void gtpv1u_eNB_write_dump_socket(uint8_t *buffer_pP, uint32_t buffer_len
#endif
//-----------------------------------------------------------------------------
static
int
gtpv1u_eNB_get_msgsource
(
struct
rrc_eNB_ue_context_s
*
ue_context_p
,
teid_t
teid
)
{
int
erab_index
=
0
;
/* source enb */
if
(
ue_context_p
->
ue_context
.
handover_info
!=
NULL
&&
ue_context_p
->
ue_context
.
handover_info
->
state
==
HO_COMPLETE
)
{
return
GTPV1U_MSG_FROM_SPGW
;
}
/* target enb */
for
(
erab_index
=
0
;
erab_index
<
ue_context_p
->
ue_context
.
nb_x2u_e_rabs
;
erab_index
++
)
{
if
(
ue_context_p
->
ue_context
.
enb_gtp_x2u_teid
[
erab_index
]
==
teid
){
return
GTPV1U_MSG_FROM_SOURCE_ENB
;
}
}
return
GTPV1U_MSG_FROM_SPGW
;
}
//-----------------------------------------------------------------------------
static
int
gtpv1u_eNB_send_init_udp
(
const
Gtpv1uS1Req
*
req
)
{
// Create and alloc new message
...
...
@@ -198,10 +225,16 @@ NwGtpv1uRcT gtpv1u_eNB_process_stack_req(
case
NW_GTPV1U_ULP_API_RECV_TPDU
:
{
uint8_t
buffer
[
4096
];
uint32_t
buffer_len
;
struct
rrc_eNB_ue_context_s
*
ue_context_p
;
uint16_t
msgType
=
NW_GTP_GPDU
;
NwGtpv1uMsgT
*
pMsg
=
NULL
;
/* Nw-gptv1u stack has processed a PDU. we can schedule it to PDCP
* for transmission.
*/
teid
=
pUlpApi
->
apiInfo
.
recvMsgInfo
.
teid
;
pMsg
=
(
NwGtpv1uMsgT
*
)
pUlpApi
->
apiInfo
.
recvMsgInfo
.
hMsg
;
msgType
=
pMsg
->
msgType
;
if
(
NW_GTPV1U_OK
!=
nwGtpv1uMsgGetTpdu
(
pUlpApi
->
apiInfo
.
recvMsgInfo
.
hMsg
,
buffer
,
&
buffer_len
))
{
...
...
@@ -243,6 +276,158 @@ NwGtpv1uRcT gtpv1u_eNB_process_stack_req(
0
,
0
,
(
gtpv1u_teid_data_p
->
eps_bearer_id
)
?
gtpv1u_teid_data_p
->
eps_bearer_id
-
4
:
5
-
4
,
buffer_len
);
ue_context_p
=
rrc_eNB_get_ue_context
(
RC
.
rrc
[
ctxt
.
module_id
],
ctxt
.
rnti
);
if
((
ue_context_p
!=
NULL
)
&&
(
ue_context_p
->
ue_context
.
handover_info
!=
NULL
)
&&
(
ue_context_p
->
ue_context
.
handover_info
->
state
<
HO_FORWARDING_COMPLETE
))
{
if
(
msgType
==
NW_GTP_END_MARKER
){
/* in the source enb, UE in RRC_HO_EXECUTION mode */
if
(
ue_context_p
->
ue_context
.
Status
==
RRC_HO_EXECUTION
&&
ue_context_p
->
ue_context
.
handover_info
->
state
==
HO_COMPLETE
)
{
/* set handover state */
//ue_context_p->ue_context.handover_info->state = HO_END_MARKER;
MessageDef
*
msg
;
// Configure end marker
msg
=
itti_alloc_new_message
(
TASK_GTPV1_U
,
GTPV1U_ENB_END_MARKER_REQ
);
GTPV1U_ENB_END_MARKER_REQ
(
msg
).
buffer
=
itti_malloc
(
TASK_GTPV1_U
,
TASK_GTPV1_U
,
GTPU_HEADER_OVERHEAD_MAX
+
buffer_len
);
memcpy
(
&
GTPV1U_ENB_END_MARKER_REQ
(
msg
).
buffer
[
GTPU_HEADER_OVERHEAD_MAX
],
buffer
,
buffer_len
);
GTPV1U_ENB_END_MARKER_REQ
(
msg
).
length
=
buffer_len
;
GTPV1U_ENB_END_MARKER_REQ
(
msg
).
rnti
=
ctxt
.
rnti
;
GTPV1U_ENB_END_MARKER_REQ
(
msg
).
rab_id
=
gtpv1u_teid_data_p
->
eps_bearer_id
;
GTPV1U_ENB_END_MARKER_REQ
(
msg
).
offset
=
GTPU_HEADER_OVERHEAD_MAX
;
LOG_I
(
GTPU
,
"Send End Marker to GTPV1-U at frame %d and subframe %d
\n
"
,
ctxt
.
frame
,
ctxt
.
subframe
);
itti_send_msg_to_task
(
TASK_GTPV1_U
,
ENB_MODULE_ID_TO_INSTANCE
(
ctxt
.
module_id
),
msg
);
return
NW_GTPV1U_OK
;
}
}
if
(
ue_context_p
->
ue_context
.
Status
==
RRC_HO_EXECUTION
||
ue_context_p
->
ue_context
.
Status
==
RRC_RECONFIGURED
)
{
int
msgsrc
=
gtpv1u_eNB_get_msgsource
(
ue_context_p
,
teid
);
LOG_D
(
GTPU
,
"UE INFO.ueStatus %d, handover state %d, forwarding state %d, from %s. message type %s
\n
"
,
ue_context_p
->
ue_context
.
Status
,
ue_context_p
->
ue_context
.
handover_info
->
state
,
ue_context_p
->
ue_context
.
handover_info
->
forwarding_state
,
msgsrc
==
GTPV1U_MSG_FROM_SOURCE_ENB
?
"Source eNB"
:
"EPC"
,
msgsrc
!=
GTPV1U_MSG_FROM_SOURCE_ENB
?
"UDP DATA"
:
msgType
==
NW_GTP_END_MARKER
?
"END MARKER"
:
"DATA FORWARDING"
);
/* target enb */
if
(
msgType
==
NW_GTP_END_MARKER
){
LOG_I
(
GTPU
,
"target end receive END MARKER
\n
"
);
ue_context_p
->
ue_context
.
handover_info
->
state
=
HO_END_MARKER
;
gtpv1u_enb_delete_tunnel_req_t
delete_tunnel_req
;
memset
(
&
delete_tunnel_req
,
0
,
sizeof
(
delete_tunnel_req
));
delete_tunnel_req
.
rnti
=
ctxt
.
rnti
;
gtpv1u_delete_x2u_tunnel
(
ctxt
.
module_id
,
&
delete_tunnel_req
,
GTPV1U_TARGET_ENB
);
return
NW_GTPV1U_OK
;
}
/* form source eNB message */
if
(
msgsrc
==
GTPV1U_MSG_FROM_SOURCE_ENB
)
{
LOG_I
(
GTPU
,
"Received a message data forwarding length %d
\n
"
,
buffer_len
);
#if defined(LOG_GTPU) && LOG_GTPU > 0
LOG_T
(
GTPU
,
"forwarding data info:
\n
"
,
buffer_len
);
for
(
int
i
=
1
;
i
<=
buffer_len
;
i
++
){
LOG_T
(
GTPU
,
"%02x "
,
buffer
[
i
-
1
]);
if
(
i
%
20
==
0
)
LOG_T
(
GTPU
,
"
\n
"
);
}
LOG_T
(
GTPU
,
"
\n
"
);
#endif
result
=
gtpv_data_req
(
&
ctxt
,
(
gtpv1u_teid_data_p
->
eps_bearer_id
)
?
gtpv1u_teid_data_p
->
eps_bearer_id
-
4
:
5
-
4
,
0
,
// mui
SDU_CONFIRM_NO
,
// confirm
buffer_len
,
buffer
,
PDCP_TRANSMISSION_MODE_DATA
,
TASK_DATA_FORWARDING
);
if
(
result
==
FALSE
)
{
LOG_W
(
GTPU
,
"DATA FORWARDING message save failed
\n
"
);
return
NW_GTPV1U_FAILURE
;
}
ue_context_p
->
ue_context
.
handover_info
->
forwarding_state
=
FORWARDING_NO_EMPTY
;
return
NW_GTPV1U_OK
;
}
/* from epc message */
else
{
/* in the source enb, UE in RRC_HO_EXECUTION mode */
if
(
ue_context_p
->
ue_context
.
handover_info
->
state
==
HO_COMPLETE
)
{
MessageDef
*
msg
;
// Configure target
msg
=
itti_alloc_new_message
(
TASK_GTPV1_U
,
GTPV1U_ENB_DATA_FORWARDING_REQ
);
GTPV1U_ENB_DATA_FORWARDING_REQ
(
msg
).
buffer
=
itti_malloc
(
TASK_GTPV1_U
,
TASK_GTPV1_U
,
GTPU_HEADER_OVERHEAD_MAX
+
buffer_len
);
memcpy
(
&
GTPV1U_ENB_DATA_FORWARDING_REQ
(
msg
).
buffer
[
GTPU_HEADER_OVERHEAD_MAX
],
buffer
,
buffer_len
);
GTPV1U_ENB_DATA_FORWARDING_REQ
(
msg
).
length
=
buffer_len
;
GTPV1U_ENB_DATA_FORWARDING_REQ
(
msg
).
rnti
=
ctxt
.
rnti
;
GTPV1U_ENB_DATA_FORWARDING_REQ
(
msg
).
rab_id
=
gtpv1u_teid_data_p
->
eps_bearer_id
;
GTPV1U_ENB_DATA_FORWARDING_REQ
(
msg
).
offset
=
GTPU_HEADER_OVERHEAD_MAX
;
#if defined(LOG_GTPU) && LOG_GTPU > 0
LOG_T
(
GTPU
,
"Send data forwarding sdu_buffer to target enb. len %d info
\n
"
,
buffer
);
for
(
int
i
=
1
;
i
<=
buffer_len
;
i
++
){
LOG_T
(
GTPU
,
"%02x "
,
buffer
[
i
-
1
]);
if
(
i
%
20
==
0
)
LOG_T
(
GTPU
,
"
\n
"
);
}
LOG_T
(
GTPU
,
"
\n
"
);
#endif
LOG_I
(
GTPU
,
"Send data forwarding to GTPV1-U at frame %d and subframe %d
\n
"
,
ctxt
.
frame
,
ctxt
.
subframe
);
itti_send_msg_to_task
(
TASK_GTPV1_U
,
ENB_MODULE_ID_TO_INSTANCE
(
ctxt
.
module_id
),
msg
);
return
NW_GTPV1U_OK
;
}
/* target eNB. x2ho forwarding is processing. spgw message save to TASK_END_MARKER */
if
(
ue_context_p
->
ue_context
.
handover_info
->
state
!=
HO_COMPLETE
&&
ue_context_p
->
ue_context
.
handover_info
->
state
!=
HO_END_MARKER
)
{
LOG_I
(
GTPU
,
"x2ho forwarding is processing. Received a spgw message. length %d
\n
"
,
buffer_len
);
#if defined(LOG_GTPU) && LOG_GTPU > 0
LOG_T
(
GTPU
,
"spgw data info:
\n
"
,
buffer_len
);
for
(
int
i
=
1
;
i
<=
buffer_len
;
i
++
){
LOG_T
(
GTPU
,
"%02x "
,
buffer
[
i
-
1
]);
if
(
i
%
20
==
0
)
LOG_T
(
GTPU
,
"
\n
"
);
}
LOG_T
(
GTPU
,
"
\n
"
);
#endif
result
=
gtpv_data_req
(
&
ctxt
,
(
gtpv1u_teid_data_p
->
eps_bearer_id
)
?
gtpv1u_teid_data_p
->
eps_bearer_id
-
4
:
5
-
4
,
0
,
// mui
SDU_CONFIRM_NO
,
// confirm
buffer_len
,
buffer
,
PDCP_TRANSMISSION_MODE_DATA
,
TASK_END_MARKER
);
if
(
result
==
FALSE
)
{
LOG_W
(
GTPU
,
"DATA FORWARDING message save failed
\n
"
);
return
NW_GTPV1U_FAILURE
;
}
ue_context_p
->
ue_context
.
handover_info
->
endmark_state
=
ENDMARK_NO_EMPTY
;
return
NW_GTPV1U_OK
;
}
}
}
}
result
=
pdcp_data_req
(
&
ctxt
,
SRB_FLAG_NO
,
...
...
@@ -259,7 +444,7 @@ NwGtpv1uRcT gtpv1u_eNB_process_stack_req(
if
(
result
==
FALSE
)
{
if
(
ctxt
.
configured
==
FALSE
)
LOG_W
(
GTPU
,
"PDCP data request failed, cause:
RB is not configured!
\n
"
)
;
LOG_W
(
GTPU
,
"PDCP data request failed, cause:
[UE:%x]RB is not configured!
\n
"
,
ctxt
.
rnti
)
;
else
LOG_W
(
GTPU
,
"PDCP data request failed
\n
"
);
...
...
@@ -550,6 +735,154 @@ gtpv1u_new_data_req(
return
0
;
}
//-----------------------------------------------------------------------------
int
gtpv1u_create_x2u_tunnel
(
const
instance_t
instanceP
,
const
gtpv1u_enb_create_x2u_tunnel_req_t
*
const
create_tunnel_req_pP
,
gtpv1u_enb_create_x2u_tunnel_resp_t
*
const
create_tunnel_resp_pP
)
{
/* Create a new nw-gtpv1-u stack req using API */
NwGtpv1uUlpApiT
stack_req
;
NwGtpv1uRcT
rc
=
NW_GTPV1U_FAILURE
;
/* Local tunnel end-point identifier */
teid_t
x2u_teid
=
0
;
gtpv1u_teid_data_t
*
gtpv1u_teid_data_p
=
NULL
;
hashtable_rc_t
hash_rc
=
HASH_TABLE_KEY_NOT_EXISTS
;
int
i
;
ebi_t
eps_bearer_id
=
0
;
MSC_LOG_RX_MESSAGE
(
MSC_GTPU_ENB
,
MSC_RRC_ENB
,
NULL
,
0
,
MSC_AS_TIME_FMT
" CREATE_X2U_TUNNEL_REQ RNTI %"
PRIx16
" inst %u ntuns %u ebid %u enb-x2u teid %u"
,
0
,
0
,
create_tunnel_req_pP
->
rnti
,
instanceP
,
create_tunnel_req_pP
->
num_tunnels
,
create_tunnel_req_pP
->
eps_bearer_id
[
0
],
create_tunnel_req_pP
->
tenb_X2u_teid
[
0
]);
create_tunnel_resp_pP
->
rnti
=
create_tunnel_req_pP
->
rnti
;
create_tunnel_resp_pP
->
status
=
0
;
create_tunnel_resp_pP
->
num_tunnels
=
0
;
for
(
i
=
0
;
i
<
create_tunnel_req_pP
->
num_tunnels
;
i
++
)
{
eps_bearer_id
=
create_tunnel_req_pP
->
eps_bearer_id
[
i
];
LOG_D
(
GTPU
,
"Rx GTPV1U_ENB_CREATE_X2U_TUNNEL_REQ ue rnti %x eps bearer id %u
\n
"
,
create_tunnel_req_pP
->
rnti
,
eps_bearer_id
);
memset
(
&
stack_req
,
0
,
sizeof
(
NwGtpv1uUlpApiT
));
stack_req
.
apiType
=
NW_GTPV1U_ULP_API_CREATE_TUNNEL_ENDPOINT
;
do
{
x2u_teid
=
gtpv1u_new_teid
();
LOG_D
(
GTPU
,
"gtpv1u_create_x2u_tunnel() 0x%x %u(dec)
\n
"
,
x2u_teid
,
x2u_teid
);
stack_req
.
apiInfo
.
createTunnelEndPointInfo
.
teid
=
x2u_teid
;
stack_req
.
apiInfo
.
createTunnelEndPointInfo
.
hUlpSession
=
0
;
stack_req
.
apiInfo
.
createTunnelEndPointInfo
.
hStackSession
=
0
;
rc
=
nwGtpv1uProcessUlpReq
(
RC
.
gtpv1u_data_g
->
gtpv1u_stack
,
&
stack_req
);
LOG_D
(
GTPU
,
".
\n
"
);
}
while
(
rc
!=
NW_GTPV1U_OK
);
memcpy
(
&
create_tunnel_resp_pP
->
enb_addr
.
buffer
,
&
RC
.
gtpv1u_data_g
->
enb_ip_address_for_S1u_S12_S4_up
,
sizeof
(
in_addr_t
));
LOG_D
(
GTPU
,
"gtpv1u_create_x2u_tunnel() end addr %d.%d.%d.%d
\n
"
,
create_tunnel_resp_pP
->
enb_addr
.
buffer
[
0
],
create_tunnel_resp_pP
->
enb_addr
.
buffer
[
1
],
create_tunnel_resp_pP
->
enb_addr
.
buffer
[
2
],
create_tunnel_resp_pP
->
enb_addr
.
buffer
[
3
]);
create_tunnel_resp_pP
->
enb_addr
.
length
=
sizeof
(
in_addr_t
);
create_tunnel_resp_pP
->
eps_bearer_id
[
i
]
=
eps_bearer_id
;
create_tunnel_resp_pP
->
num_tunnels
+=
1
;
//-----------------------
// GTPV1U->PDCP mapping
//-----------------------
create_tunnel_resp_pP
->
enb_X2u_teid
[
i
]
=
x2u_teid
;
hash_rc
=
hashtable_get
(
RC
.
gtpv1u_data_g
->
teid_mapping
,
x2u_teid
,
(
void
**
)
&
gtpv1u_teid_data_p
);
if
(
hash_rc
==
HASH_TABLE_KEY_NOT_EXISTS
)
{
gtpv1u_teid_data_p
=
calloc
(
1
,
sizeof
(
gtpv1u_teid_data_t
));
gtpv1u_teid_data_p
->
enb_id
=
0
;
// TO DO
gtpv1u_teid_data_p
->
ue_id
=
create_tunnel_req_pP
->
rnti
;
gtpv1u_teid_data_p
->
eps_bearer_id
=
eps_bearer_id
;
hash_rc
=
hashtable_insert
(
RC
.
gtpv1u_data_g
->
teid_mapping
,
x2u_teid
,
gtpv1u_teid_data_p
);
AssertFatal
(
hash_rc
==
HASH_TABLE_OK
,
"Error inserting teid mapping in GTPV1U hashtable"
);
}
else
{
create_tunnel_resp_pP
->
enb_X2u_teid
[
i
]
=
0
;
create_tunnel_resp_pP
->
status
=
0xFF
;
}
}
MSC_LOG_TX_MESSAGE
(
MSC_GTPU_ENB
,
MSC_RRC_ENB
,
NULL
,
0
,
"0 GTPV1U_ENB_CREATE_TUNNEL_RESP rnti %x teid %x"
,
create_tunnel_resp_pP
->
rnti
,
x2u_teid
);
LOG_D
(
GTPU
,
"Tx GTPV1U_ENB_CREATE_TUNNEL_RESP ue rnti %x status %d
\n
"
,
create_tunnel_req_pP
->
rnti
,
create_tunnel_resp_pP
->
status
);
return
0
;
}
//-----------------------------------------------------------------------------
int
gtpv1u_delete_x2u_tunnel
(
const
instance_t
instanceP
,
const
gtpv1u_enb_delete_tunnel_req_t
*
const
req_pP
,
int
enbflag
)
{
gtpv1u_ue_data_t
*
gtpv1u_ue_data_p
=
NULL
;
hashtable_rc_t
hash_rc
=
HASH_TABLE_KEY_NOT_EXISTS
;
int
erab_index
=
0
;
ebi_t
eps_bearer_id
=
0
;
struct
rrc_eNB_ue_context_s
*
ue_context_p
=
NULL
;
ue_context_p
=
rrc_eNB_get_ue_context
(
RC
.
rrc
[
instanceP
],
req_pP
->
rnti
);
if
(
ue_context_p
!=
NULL
){
/* in the source enb */
if
(
enbflag
==
GTPV1U_SOURCE_ENB
){
hash_rc
=
hashtable_get
(
RC
.
gtpv1u_data_g
->
ue_mapping
,
req_pP
->
rnti
,
(
void
**
)
&
gtpv1u_ue_data_p
);
if
(
hash_rc
==
HASH_TABLE_OK
)
{
for
(
erab_index
=
0
;
erab_index
<
ue_context_p
->
ue_context
.
nb_x2u_e_rabs
;
erab_index
++
)
{
eps_bearer_id
=
ue_context_p
->
ue_context
.
enb_gtp_x2u_ebi
[
erab_index
];
LOG_I
(
GTPU
,
"gtpv1u_delete_x2u_tunnel user rnti %x teNB X2U teid %u eps bearer id %u
\n
"
,
req_pP
->
rnti
,
gtpv1u_ue_data_p
->
bearers
[
eps_bearer_id
-
GTPV1U_BEARER_OFFSET
].
teid_teNB
,
ue_context_p
->
ue_context
.
enb_gtp_x2u_ebi
[
erab_index
]);
gtpv1u_ue_data_p
->
bearers
[
eps_bearer_id
-
GTPV1U_BEARER_OFFSET
].
teid_teNB
=
0
;
gtpv1u_ue_data_p
->
bearers
[
eps_bearer_id
-
GTPV1U_BEARER_OFFSET
].
tenb_ip_addr
=
0
;
//gtpv1u_ue_data_p->bearers[eps_bearer_id - GTPV1U_BEARER_OFFSET].tenb_ip6_addr = 0;
}
ue_context_p
->
ue_context
.
nb_x2u_e_rabs
=
0
;
}
}
/* in the target enb */
else
{
for
(
erab_index
=
0
;
erab_index
<
ue_context_p
->
ue_context
.
nb_x2u_e_rabs
;
erab_index
++
)
{
//-----------------------
// GTPV1U->PDCP mapping
//-----------------------
hash_rc
=
hashtable_remove
(
RC
.
gtpv1u_data_g
->
teid_mapping
,
ue_context_p
->
ue_context
.
enb_gtp_x2u_teid
[
erab_index
]);
LOG_I
(
GTPU
,
"Removed user rnti %x , enb X2U teid %u
\n
"
,
req_pP
->
rnti
,
ue_context_p
->
ue_context
.
enb_gtp_x2u_teid
[
erab_index
]);
if
(
hash_rc
!=
HASH_TABLE_OK
)
{
LOG_D
(
GTPU
,
"Removed user rnti %x , enb X2U teid %u not found
\n
"
,
req_pP
->
rnti
,
ue_context_p
->
ue_context
.
enb_gtp_x2u_teid
[
erab_index
]);
}
}
ue_context_p
->
ue_context
.
nb_x2u_e_rabs
=
0
;
}
}
return
0
;
}
//-----------------------------------------------------------------------------
int
gtpv1u_create_s1u_tunnel
(
...
...
@@ -1043,6 +1376,176 @@ void *gtpv1u_eNB_process_itti_msg(void *notUsed) {
}
break
;
case
GTPV1U_ENB_DATA_FORWARDING_REQ
:
{
gtpv1u_enb_data_forwarding_req_t
*
data_req_p
=
NULL
;
NwGtpv1uUlpApiT
stack_req
;
NwGtpv1uRcT
rc
=
NW_GTPV1U_FAILURE
;
hashtable_rc_t
hash_rc
=
HASH_TABLE_KEY_NOT_EXISTS
;
gtpv1u_ue_data_t
*
gtpv1u_ue_data_p
=
NULL
;
teid_t
enb_s1u_teid
=
0
;
teid_t
tenb_x2u_teid
=
0
;
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME
(
VCD_SIGNAL_DUMPER_FUNCTIONS_GTPV1U_PROCESS_TUNNEL_DATA_REQ
,
VCD_FUNCTION_IN
);
data_req_p
=
&
GTPV1U_ENB_DATA_FORWARDING_REQ
(
received_message_p
);
//ipv4_send_data(ipv4_data_p->sd, data_ind_p->buffer, data_ind_p->length);
#if defined(GTP_DUMP_SOCKET) && GTP_DUMP_SOCKET > 0
gtpv1u_eNB_write_dump_socket
(
&
data_req_p
->
buffer
[
data_req_p
->
offset
],
data_req_p
->
length
);
#endif
memset
(
&
stack_req
,
0
,
sizeof
(
NwGtpv1uUlpApiT
));
hash_rc
=
hashtable_get
(
RC
.
gtpv1u_data_g
->
ue_mapping
,
(
uint64_t
)
data_req_p
->
rnti
,
(
void
**
)
&
gtpv1u_ue_data_p
);
if
(
hash_rc
==
HASH_TABLE_KEY_NOT_EXISTS
)
{
LOG_E
(
GTPU
,
"nwGtpv1uProcessUlpReq failed: while getting ue rnti %x in hashtable ue_mapping
\n
"
,
data_req_p
->
rnti
);
}
else
{
if
((
data_req_p
->
rab_id
>=
GTPV1U_BEARER_OFFSET
)
&&
(
data_req_p
->
rab_id
<=
max_val_LTE_DRB_Identity
))
{
enb_s1u_teid
=
gtpv1u_ue_data_p
->
bearers
[
data_req_p
->
rab_id
-
GTPV1U_BEARER_OFFSET
].
teid_eNB
;
tenb_x2u_teid
=
gtpv1u_ue_data_p
->
bearers
[
data_req_p
->
rab_id
-
GTPV1U_BEARER_OFFSET
].
teid_teNB
;
// target enb teid
stack_req
.
apiType
=
NW_GTPV1U_ULP_API_SEND_TPDU
;
stack_req
.
apiInfo
.
sendtoInfo
.
teid
=
tenb_x2u_teid
;
stack_req
.
apiInfo
.
sendtoInfo
.
ipAddr
=
gtpv1u_ue_data_p
->
bearers
[
data_req_p
->
rab_id
-
GTPV1U_BEARER_OFFSET
].
tenb_ip_addr
;
// target enb ip
rc
=
nwGtpv1uGpduMsgNew
(
RC
.
gtpv1u_data_g
->
gtpv1u_stack
,
tenb_x2u_teid
,
NW_FALSE
,
RC
.
gtpv1u_data_g
->
seq_num
++
,
data_req_p
->
buffer
,
data_req_p
->
length
,
data_req_p
->
offset
,
&
(
stack_req
.
apiInfo
.
sendtoInfo
.
hMsg
));
if
(
rc
!=
NW_GTPV1U_OK
)
{
LOG_E
(
GTPU
,
"nwGtpv1uGpduMsgNew failed: 0x%x
\n
"
,
rc
);
MSC_LOG_EVENT
(
MSC_GTPU_ENB
,
"0 Failed send G-PDU ltid %u rtid %u size %u"
,
enb_s1u_teid
,
tenb_x2u_teid
,
data_req_p
->
length
);
(
void
)
enb_s1u_teid
;
/* avoid gcc warning "set but not used" */
}
else
{
rc
=
nwGtpv1uProcessUlpReq
(
RC
.
gtpv1u_data_g
->
gtpv1u_stack
,
&
stack_req
);
if
(
rc
!=
NW_GTPV1U_OK
)
{
LOG_E
(
GTPU
,
"nwGtpv1uProcessUlpReq failed: 0x%x
\n
"
,
rc
);
MSC_LOG_EVENT
(
MSC_GTPU_ENB
,
"0 Failed send G-PDU ltid %u rtid %u size %u"
,
enb_s1u_teid
,
tenb_x2u_teid
,
data_req_p
->
length
);
}
else
{
MSC_LOG_TX_MESSAGE
(
MSC_GTPU_ENB
,
MSC_GTPU_SGW
,
NULL
,
0
,
MSC_AS_TIME_FMT
" G-PDU ltid %u rtid %u size %u"
,
0
,
0
,
enb_s1u_teid
,
tenb_x2u_teid
,
data_req_p
->
length
);
}
rc
=
nwGtpv1uMsgDelete
(
RC
.
gtpv1u_data_g
->
gtpv1u_stack
,
stack_req
.
apiInfo
.
sendtoInfo
.
hMsg
);
if
(
rc
!=
NW_GTPV1U_OK
)
{
LOG_E
(
GTPU
,
"nwGtpv1uMsgDelete failed: 0x%x
\n
"
,
rc
);
}
}
}
}
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME
(
VCD_SIGNAL_DUMPER_FUNCTIONS_GTPV1U_PROCESS_TUNNEL_DATA_REQ
,
VCD_FUNCTION_OUT
);
/* Buffer still needed, do not free it */
//itti_free(ITTI_MSG_ORIGIN_ID(received_message_p), data_req_p->buffer)
}
break
;
case
GTPV1U_ENB_END_MARKER_REQ
:{
gtpv1u_enb_end_marker_req_t
*
data_req_p
=
NULL
;
NwGtpv1uUlpApiT
stack_req
;
NwGtpv1uRcT
rc
=
NW_GTPV1U_FAILURE
;
hashtable_rc_t
hash_rc
=
HASH_TABLE_KEY_NOT_EXISTS
;
gtpv1u_ue_data_t
*
gtpv1u_ue_data_p
=
NULL
;
teid_t
enb_s1u_teid
=
0
;
teid_t
tenb_x2u_teid
=
0
;
NwGtpv1uMsgT
*
pMsg
=
NULL
;
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME
(
VCD_SIGNAL_DUMPER_FUNCTIONS_GTPV1U_PROCESS_TUNNEL_DATA_REQ
,
VCD_FUNCTION_IN
);
data_req_p
=
&
GTPV1U_ENB_END_MARKER_REQ
(
received_message_p
);
//ipv4_send_data(ipv4_data_p->sd, data_ind_p->buffer, data_ind_p->length);
#if defined(GTP_DUMP_SOCKET) && GTP_DUMP_SOCKET > 0
gtpv1u_eNB_write_dump_socket
(
&
data_req_p
->
buffer
[
data_req_p
->
offset
],
data_req_p
->
length
);
#endif
memset
(
&
stack_req
,
0
,
sizeof
(
NwGtpv1uUlpApiT
));
hash_rc
=
hashtable_get
(
RC
.
gtpv1u_data_g
->
ue_mapping
,
(
uint64_t
)
data_req_p
->
rnti
,
(
void
**
)
&
gtpv1u_ue_data_p
);
if
(
hash_rc
==
HASH_TABLE_KEY_NOT_EXISTS
)
{
LOG_E
(
GTPU
,
"nwGtpv1uProcessUlpReq failed: while getting ue rnti %x in hashtable ue_mapping
\n
"
,
data_req_p
->
rnti
);
}
else
{
if
((
data_req_p
->
rab_id
>=
GTPV1U_BEARER_OFFSET
)
&&
(
data_req_p
->
rab_id
<=
max_val_LTE_DRB_Identity
))
{
enb_s1u_teid
=
gtpv1u_ue_data_p
->
bearers
[
data_req_p
->
rab_id
-
GTPV1U_BEARER_OFFSET
].
teid_eNB
;
tenb_x2u_teid
=
gtpv1u_ue_data_p
->
bearers
[
data_req_p
->
rab_id
-
GTPV1U_BEARER_OFFSET
].
teid_teNB
;
// target enb teid
stack_req
.
apiType
=
NW_GTPV1U_ULP_API_SEND_TPDU
;
stack_req
.
apiInfo
.
sendtoInfo
.
teid
=
tenb_x2u_teid
;
stack_req
.
apiInfo
.
sendtoInfo
.
ipAddr
=
gtpv1u_ue_data_p
->
bearers
[
data_req_p
->
rab_id
-
GTPV1U_BEARER_OFFSET
].
tenb_ip_addr
;
// target enb ip
rc
=
nwGtpv1uGpduMsgNew
(
RC
.
gtpv1u_data_g
->
gtpv1u_stack
,
tenb_x2u_teid
,
NW_FALSE
,
RC
.
gtpv1u_data_g
->
seq_num
++
,
data_req_p
->
buffer
,
data_req_p
->
length
,
data_req_p
->
offset
,
&
(
stack_req
.
apiInfo
.
sendtoInfo
.
hMsg
));
if
(
rc
!=
NW_GTPV1U_OK
)
{
LOG_E
(
GTPU
,
"nwGtpv1uGpduMsgNew failed: 0x%x
\n
"
,
rc
);
MSC_LOG_EVENT
(
MSC_GTPU_ENB
,
"0 Failed send G-PDU ltid %u rtid %u size %u"
,
enb_s1u_teid
,
tenb_x2u_teid
,
data_req_p
->
length
);
(
void
)
enb_s1u_teid
;
/* avoid gcc warning "set but not used" */
}
else
{
pMsg
=
(
NwGtpv1uMsgT
*
)
stack_req
.
apiInfo
.
sendtoInfo
.
hMsg
;
pMsg
->
msgType
=
NW_GTP_END_MARKER
;
rc
=
nwGtpv1uProcessUlpReq
(
RC
.
gtpv1u_data_g
->
gtpv1u_stack
,
&
stack_req
);
if
(
rc
!=
NW_GTPV1U_OK
)
{
LOG_E
(
GTPU
,
"nwGtpv1uProcessUlpReq failed: 0x%x
\n
"
,
rc
);
MSC_LOG_EVENT
(
MSC_GTPU_ENB
,
"0 Failed send G-PDU ltid %u rtid %u size %u"
,
enb_s1u_teid
,
tenb_x2u_teid
,
data_req_p
->
length
);
}
else
{
MSC_LOG_TX_MESSAGE
(
MSC_GTPU_ENB
,
MSC_GTPU_SGW
,
NULL
,
0
,
MSC_AS_TIME_FMT
" G-PDU ltid %u rtid %u size %u"
,
0
,
0
,
enb_s1u_teid
,
tenb_x2u_teid
,
data_req_p
->
length
);
}
rc
=
nwGtpv1uMsgDelete
(
RC
.
gtpv1u_data_g
->
gtpv1u_stack
,
stack_req
.
apiInfo
.
sendtoInfo
.
hMsg
);
if
(
rc
!=
NW_GTPV1U_OK
)
{
LOG_E
(
GTPU
,
"nwGtpv1uMsgDelete failed: 0x%x
\n
"
,
rc
);
}
gtpv1u_enb_delete_tunnel_req_t
delete_tunnel_req
;
memset
(
&
delete_tunnel_req
,
0
,
sizeof
(
delete_tunnel_req
));
delete_tunnel_req
.
rnti
=
data_req_p
->
rnti
;
gtpv1u_delete_x2u_tunnel
(
instance
,
&
delete_tunnel_req
,
GTPV1U_SOURCE_ENB
);
}
}
}
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME
(
VCD_SIGNAL_DUMPER_FUNCTIONS_GTPV1U_PROCESS_TUNNEL_DATA_REQ
,
VCD_FUNCTION_OUT
);
}
break
;
case
TERMINATE_MESSAGE
:
{
if
(
RC
.
gtpv1u_data_g
->
ue_mapping
!=
NULL
)
{
hashtable_destroy
(
&
(
RC
.
gtpv1u_data_g
->
ue_mapping
));
...
...
openair3/GTPV1-U/gtpv1u_eNB_defs.h
View file @
e468376d
...
...
@@ -40,6 +40,11 @@
#define GTPV1U_MAX_BEARERS_ID (max_val_LTE_DRB_Identity - GTPV1U_BEARER_OFFSET)
#define GTPV1U_SOURCE_ENB (0)
#define GTPV1U_TARGET_ENB (1)
#define GTPV1U_MSG_FROM_SOURCE_ENB (0)
#define GTPV1U_MSG_FROM_SPGW (1)
typedef
enum
{
BEARER_DOWN
=
0
,
BEARER_IN_CONFIG
,
...
...
@@ -65,6 +70,9 @@ typedef struct gtpv1u_bearer_s {
teid_t
teid_sgw
;
///< Remote TEID
in_addr_t
sgw_ip_addr
;
struct
in6_addr
sgw_ip6_addr
;
teid_t
teid_teNB
;
in_addr_t
tenb_ip_addr
;
///< target eNB ipv4
struct
in6_addr
tenb_ip6_addr
;
///< target eNB ipv6
tcp_udp_port_t
port
;
//NwGtpv1uStackSessionHandleT stack_session;
bearer_state_t
state
;
...
...
openair3/GTPV1-U/gtpv1u_eNB_task.h
View file @
e468376d
...
...
@@ -44,6 +44,12 @@ int gtpv1u_eNB_init(void);
void
*
gtpv1u_eNB_process_itti_msg
(
void
*
);
void
*
gtpv1u_eNB_task
(
void
*
args
);
int
gtpv1u_create_x2u_tunnel
(
const
instance_t
instanceP
,
const
gtpv1u_enb_create_x2u_tunnel_req_t
*
const
create_tunnel_req_pP
,
gtpv1u_enb_create_x2u_tunnel_resp_t
*
const
create_tunnel_resp_pP
);
int
gtpv1u_create_s1u_tunnel
(
const
instance_t
instanceP
,
...
...
@@ -55,4 +61,9 @@ gtpv1u_update_s1u_tunnel(
const
instance_t
instanceP
,
const
gtpv1u_enb_create_tunnel_req_t
*
const
create_tunnel_req_pP
,
const
rnti_t
prior_rnti
);
int
gtpv1u_delete_x2u_tunnel
(
const
instance_t
instanceP
,
const
gtpv1u_enb_delete_tunnel_req_t
*
const
req_pP
,
int
enbflag
);
#endif
/* GTPV1U_ENB_TASK_H_ */
openair3/GTPV1-U/nw-gtpv1u/src/NwGtpv1u.c
View file @
e468376d
...
...
@@ -893,8 +893,14 @@ nwGtpv1uProcessUdpReq( NW_IN NwGtpv1uStackHandleT hGtpuStackHandle,
break
;
case
NW_GTP_END_MARKER
:
GTPU_DEBUG
(
"NW_GTP_END_MARKER
\n
"
);
ret
=
NW_GTPV1U_OK
;
#if defined(LOG_GTPU) && LOG_GTPU > 0
for
(
int
i
=
1
;
i
<=
udpDataLen
;
i
++
){
printf
(
"%02x "
,
udpData
[
i
-
1
]);
if
(
i
%
20
==
0
)
printf
(
"
\n
"
);
}
#endif
GTPU_INFO
(
"NW_GTP_END_MARKER
\n
"
);
ret
=
nwGtpv1uProcessGpdu
(
thiz
,
udpData
,
udpDataLen
,
peerIp
);
break
;
default:
...
...
openair3/S1AP/s1ap_eNB_handlers.c
View file @
e468376d
...
...
@@ -1518,7 +1518,7 @@ int s1ap_eNB_handle_s1_path_switch_request_ack(uint32_t assoc_id,
if
(
stream
==
0
)
{
S1AP_ERROR
(
"[SCTP %d] Received s1 path switch request ack on stream (%d)
\n
"
,
assoc_id
,
stream
);
return
-
1
;
//
return -1;
}
if
((
mme_desc_p
=
s1ap_eNB_get_MME
(
NULL
,
assoc_id
,
0
))
==
NULL
)
{
...
...
openair3/UDP/udp_eNB_task.c
View file @
e468376d
...
...
@@ -371,13 +371,13 @@ void *udp_eNB_task(void *args_p)
udp_sd
=
udp_sock_p
->
sd
;
pthread_mutex_unlock
(
&
udp_socket_list_mutex
);
#if defined(LOG_UDP) && LOG_UDP > 0
//
#if defined(LOG_UDP) && LOG_UDP > 0
LOG_D
(
UDP_
,
"[%d] Sending message of size %u to "
IPV4_ADDR
" and port %u
\n
"
,
udp_sd
,
udp_data_req_p
->
buffer_length
,
IPV4_ADDR_FORMAT
(
udp_data_req_p
->
peer_address
),
udp_data_req_p
->
peer_port
);
#endif
//
#endif
bytes_written
=
sendto
(
udp_sd
,
&
udp_data_req_p
->
buffer
[
udp_data_req_p
->
buffer_offset
],
...
...
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