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MAQ5G-PFC
OAI-RAN-5G-sheduler_MaxTBS
Commits
08499a69
Commit
08499a69
authored
8 years ago
by
luhan wang
Browse files
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modifications for IF4p5 UDP transport
parent
25ab1c35
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1 changed file
openair1/PHY/LTE_TRANSPORT/if4_tools.c
+73
-33
73 additions, 33 deletions
openair1/PHY/LTE_TRANSPORT/if4_tools.c
with
73 additions
and
33 deletions
openair1/PHY/LTE_TRANSPORT/if4_tools.c
100644 → 100755
+
73
−
33
View file @
08499a69
...
...
@@ -41,7 +41,8 @@
#include
"PHY/defs.h"
#include
"PHY/TOOLS/alaw_lut.h"
#include
"targets/ARCH/ETHERNET/USERSPACE/LIB/if_defs.h"
//#include "targets/ARCH/ETHERNET/USERSPACE/LIB/if_defs.h"
#include
"targets/ARCH/ETHERNET/USERSPACE/LIB/ethernet_lib.h"
#include
"UTIL/LOG/vcd_signal_dumper.h"
void
send_IF4p5
(
PHY_VARS_eNB
*
eNB
,
int
frame
,
int
subframe
,
uint16_t
packet_type
,
int
k
)
{
...
...
@@ -57,6 +58,9 @@ void send_IF4p5(PHY_VARS_eNB *eNB, int frame, int subframe, uint16_t packet_type
uint16_t
*
data_block
=
NULL
,
*
i
=
NULL
;
IF4p5_header_t
*
packet_header
=
NULL
;
eth_state_t
*
eth
=
(
eth_state_t
*
)
(
eNB
->
ifdevice
.
priv
);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME
(
VCD_SIGNAL_DUMPER_FUNCTIONS_SEND_IF4
,
1
);
if
(
packet_type
==
IF4p5_PDLFFT
)
{
...
...
@@ -65,10 +69,14 @@ void send_IF4p5(PHY_VARS_eNB *eNB, int frame, int subframe, uint16_t packet_type
slotoffsetF
=
(
subframe
)
*
(
fp
->
ofdm_symbol_size
)
*
((
fp
->
Ncp
==
1
)
?
12
:
14
)
+
1
;
blockoffsetF
=
slotoffsetF
+
fp
->
ofdm_symbol_size
-
db_halflength
-
1
;
IF4p5_header_t
*
dl_header
=
(
IF4p5_header_t
*
)(
tx_buffer
+
MAC_HEADER_SIZE_BYTES
);
if
(
eth
->
flags
==
ETH_RAW_IF4p5_MODE
)
{
packet_header
=
(
IF4p5_header_t
*
)(
tx_buffer
+
MAC_HEADER_SIZE_BYTES
);
data_block
=
(
uint16_t
*
)(
tx_buffer
+
MAC_HEADER_SIZE_BYTES
+
sizeof_IF4p5_header_t
);
gen_IF4p5_dl_header
(
dl_header
,
frame
,
subframe
);
}
else
{
packet_header
=
(
IF4p5_header_t
*
)(
tx_buffer
);
data_block
=
(
uint16_t
*
)(
tx_buffer
+
sizeof_IF4p5_header_t
);
}
gen_IF4p5_dl_header
(
packet_header
,
frame
,
subframe
);
for
(
symbol_id
=
0
;
symbol_id
<
fp
->
symbols_per_tti
;
symbol_id
++
)
{
...
...
@@ -80,8 +88,8 @@ void send_IF4p5(PHY_VARS_eNB *eNB, int frame, int subframe, uint16_t packet_type
data_block
[
element_id
+
db_halflength
]
=
((
uint16_t
)
lin2alaw
[
*
i
])
|
(
lin2alaw
[
*
(
i
+
1
)]
<<
8
);
}
dl
_header
->
frame_status
&=
~
(
0x000f
<<
26
);
dl
_header
->
frame_status
|=
(
symbol_id
&
0x000f
)
<<
26
;
packet
_header
->
frame_status
&=
~
(
0x000f
<<
26
);
packet
_header
->
frame_status
|=
(
symbol_id
&
0x000f
)
<<
26
;
if
((
eNB
->
ifdevice
.
trx_write_func
(
&
eNB
->
ifdevice
,
symbol_id
,
...
...
@@ -101,10 +109,14 @@ void send_IF4p5(PHY_VARS_eNB *eNB, int frame, int subframe, uint16_t packet_type
slotoffsetF
=
1
;
blockoffsetF
=
slotoffsetF
+
fp
->
ofdm_symbol_size
-
db_halflength
-
1
;
IF4p5_header_t
*
ul_header
=
(
IF4p5_header_t
*
)(
tx_buffer
+
MAC_HEADER_SIZE_BYTES
);
if
(
eth
->
flags
==
ETH_RAW_IF4p5_MODE
)
{
packet_header
=
(
IF4p5_header_t
*
)(
tx_buffer
+
MAC_HEADER_SIZE_BYTES
);
data_block
=
(
uint16_t
*
)(
tx_buffer
+
MAC_HEADER_SIZE_BYTES
+
sizeof_IF4p5_header_t
);
gen_IF4p5_ul_header
(
ul_header
,
frame
,
subframe
);
}
else
{
packet_header
=
(
IF4p5_header_t
*
)(
tx_buffer
);
data_block
=
(
uint16_t
*
)(
tx_buffer
+
sizeof_IF4p5_header_t
);
}
gen_IF4p5_ul_header
(
packet_header
,
frame
,
subframe
);
for
(
symbol_id
=
0
;
symbol_id
<
fp
->
symbols_per_tti
;
symbol_id
++
)
{
...
...
@@ -116,8 +128,8 @@ void send_IF4p5(PHY_VARS_eNB *eNB, int frame, int subframe, uint16_t packet_type
data_block
[
element_id
+
db_halflength
]
=
((
uint16_t
)
lin2alaw
[
*
i
])
|
(
lin2alaw
[
*
(
i
+
1
)]
<<
8
);
}
ul
_header
->
frame_status
&=
~
(
0x000f
<<
26
);
ul
_header
->
frame_status
|=
(
symbol_id
&
0x000f
)
<<
26
;
packet
_header
->
frame_status
&=
~
(
0x000f
<<
26
);
packet
_header
->
frame_status
|=
(
symbol_id
&
0x000f
)
<<
26
;
if
((
eNB
->
ifdevice
.
trx_write_func
(
&
eNB
->
ifdevice
,
symbol_id
,
...
...
@@ -134,15 +146,24 @@ void send_IF4p5(PHY_VARS_eNB *eNB, int frame, int subframe, uint16_t packet_type
}
else
if
(
packet_type
==
IF4p5_PRACH
)
{
// FIX: hard coded prach samples length
db_fulllength
=
840
*
2
;
IF4p5_header_t
*
prach
_header
=
(
IF4p5_header_t
*
)(
tx_buffer
+
MAC_HEADER_SIZE_BYTES
);
if
(
eth
->
flags
==
ETH_RAW_IF4p5_MODE
)
{
packet
_header
=
(
IF4p5_header_t
*
)(
tx_buffer
+
MAC_HEADER_SIZE_BYTES
);
data_block
=
(
uint16_t
*
)(
tx_buffer
+
MAC_HEADER_SIZE_BYTES
+
sizeof_IF4p5_header_t
);
}
else
{
packet_header
=
(
IF4p5_header_t
*
)(
tx_buffer
);
data_block
=
(
uint16_t
*
)(
tx_buffer
+
sizeof_IF4p5_header_t
);
}
gen_IF4p5_prach_header
(
packet_header
,
frame
,
subframe
);
gen_IF4p5_prach_header
(
prach_header
,
frame
,
subframe
);
if
(
eth
->
flags
==
ETH_RAW_IF4p5_MODE
)
{
memcpy
((
int16_t
*
)(
tx_buffer
+
MAC_HEADER_SIZE_BYTES
+
sizeof_IF4p5_header_t
),
(
&
rxsigF
[
0
][
k
]),
db_fulllength
*
sizeof
(
int16_t
));
}
else
{
memcpy
((
int16_t
*
)(
tx_buffer
+
sizeof_IF4p5_header_t
),
(
&
rxsigF
[
0
][
k
]),
db_fulllength
*
sizeof
(
int16_t
));
}
if
((
eNB
->
ifdevice
.
trx_write_func
(
&
eNB
->
ifdevice
,
symbol_id
,
...
...
@@ -171,6 +192,7 @@ void recv_IF4p5(PHY_VARS_eNB *eNB, int *frame, int *subframe, uint16_t *packet_t
uint16_t
element_id
;
uint16_t
db_fulllength
,
db_halflength
;
int
slotoffsetF
=
0
,
blockoffsetF
=
0
;
eth_state_t
*
eth
=
(
eth_state_t
*
)
(
eNB
->
ifdevice
.
priv
);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME
(
VCD_SIGNAL_DUMPER_FUNCTIONS_RECV_IF4
,
1
);
...
...
@@ -192,11 +214,17 @@ void recv_IF4p5(PHY_VARS_eNB *eNB, int *frame, int *subframe, uint16_t *packet_t
perror
(
"ETHERNET read"
);
}
if
(
eth
->
flags
==
ETH_RAW_IF4p5_MODE
)
{
packet_header
=
(
IF4p5_header_t
*
)
(
rx_buffer
+
MAC_HEADER_SIZE_BYTES
);
data_block
=
(
uint16_t
*
)
(
rx_buffer
+
MAC_HEADER_SIZE_BYTES
+
sizeof_IF4p5_header_t
);
}
else
{
packet_header
=
(
IF4p5_header_t
*
)
(
rx_buffer
);
data_block
=
(
uint16_t
*
)
(
rx_buffer
+
sizeof_IF4p5_header_t
);
}
*
frame
=
((
packet_header
->
frame_status
)
>>
6
)
&
0xffff
;
*
subframe
=
((
packet_header
->
frame_status
)
>>
22
)
&
0x000f
;
*
packet_type
=
packet_header
->
sub_type
;
if
(
*
packet_type
==
IF4p5_PDLFFT
)
{
...
...
@@ -235,9 +263,15 @@ void recv_IF4p5(PHY_VARS_eNB *eNB, int *frame, int *subframe, uint16_t *packet_t
// FIX: hard coded prach samples length
db_fulllength
=
840
*
2
;
if
(
eth
->
flags
==
ETH_RAW_IF4p5_MODE
)
{
memcpy
((
&
rxsigF
[
0
][
0
]),
(
int16_t
*
)
(
rx_buffer
+
MAC_HEADER_SIZE_BYTES
+
sizeof_IF4p5_header_t
),
db_fulllength
*
sizeof
(
int16_t
));
}
else
{
memcpy
((
&
rxsigF
[
0
][
0
]),
(
int16_t
*
)
(
rx_buffer
+
sizeof_IF4p5_header_t
),
db_fulllength
*
sizeof
(
int16_t
));
}
}
else
{
AssertFatal
(
1
==
0
,
"recv_IF4p5 - Unknown packet_type %x"
,
*
packet_type
);
...
...
@@ -290,6 +324,12 @@ void gen_IF4p5_prach_header(IF4p5_header_t *prach_packet, int frame, int subfram
void
malloc_IF4p5_buffer
(
PHY_VARS_eNB
*
eNB
)
{
// Keep the size large enough
eth_state_t
*
eth
=
(
eth_state_t
*
)
(
eNB
->
ifdevice
.
priv
);
if
(
eth
->
flags
==
ETH_RAW_IF4p5_MODE
)
{
eNB
->
ifbuffer
.
tx
=
malloc
(
RAW_IF4p5_PRACH_SIZE_BYTES
);
eNB
->
ifbuffer
.
rx
=
malloc
(
RAW_IF4p5_PRACH_SIZE_BYTES
);
}
else
{
eNB
->
ifbuffer
.
tx
=
malloc
(
UDP_IF4p5_PRACH_SIZE_BYTES
);
eNB
->
ifbuffer
.
rx
=
malloc
(
UDP_IF4p5_PRACH_SIZE_BYTES
);
}
}
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