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ZhouShuya
OpenXG-RAN
Commits
f2e183fb
Commit
f2e183fb
authored
8 years ago
by
Sandeep Kumar
Browse files
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Plain Diff
handling changes in eth lower level functions
parent
9246b16c
No related merge requests found
Changes
2
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2 changed files
with
85 additions
and
56 deletions
+85
-56
openair1/PHY/LTE_TRANSPORT/if4_tools.c
openair1/PHY/LTE_TRANSPORT/if4_tools.c
+80
-51
openair1/PHY/LTE_TRANSPORT/if4_tools.h
openair1/PHY/LTE_TRANSPORT/if4_tools.h
+5
-5
No files found.
openair1/PHY/LTE_TRANSPORT/if4_tools.c
View file @
f2e183fb
...
@@ -44,38 +44,34 @@
...
@@ -44,38 +44,34 @@
#include "PHY/LTE_TRANSPORT/if4_tools.h"
#include "PHY/LTE_TRANSPORT/if4_tools.h"
#include "PHY/TOOLS/ALAW/alaw_lut.h"
#include "PHY/TOOLS/ALAW/alaw_lut.h"
//
Get device information
//
--- Careful to handle buffer memory --- RAW/UDP modes --- PRACH variables and data
void
send_IF4
(
PHY_VARS_eNB
*
eNB
,
eNB_rxtx_proc_t
*
proc
,
uint16_t
packet_type
)
{
void
send_IF4
(
PHY_VARS_eNB
*
eNB
,
uint16_t
packet_type
)
{
LTE_DL_FRAME_PARMS
*
fp
=
&
eNB
->
frame_parms
;
LTE_DL_FRAME_PARMS
*
fp
=
&
eNB
->
frame_parms
;
eNB_proc_t
*
proc
=
&
eNB
->
proc
;
int32_t
**
txdataF
=
eNB
->
common_vars
.
txdataF
[
0
];
int32_t
**
txdataF
=
eNB
->
common_vars
.
txdataF
[
0
];
int32_t
**
rxdataF
=
eNB
->
common_vars
.
rxdataF
[
0
];
int32_t
**
rxdataF
=
eNB
->
common_vars
.
rxdataF
[
0
];
int16_t
*
prachF
=
eNB
->
prach_vars
.
prachF
;
IF4_dl_header_t
*
dl_header
=
NULL
;
IF4_ul_header_t
*
ul_header
=
NULL
;
IF4_prach_header_t
*
prach_header
=
NULL
;
uint16_t
symbol_id
,
element_id
;
uint16_t
symbol_id
,
element_id
;
uint16_t
db_halflength
;
uint16_t
db_
fulllength
,
db_
halflength
;
int
slotoffsetF
,
blockoffsetF
;
int
slotoffsetF
,
blockoffsetF
;
void
*
tx_buffer
=
NULL
;
int16_t
*
data_block
=
NULL
;
int16_t
*
data_block
=
NULL
;
// int16_t *txbuffer = (int16_t*)malloc(db_halflength*sizeof(int16_t));
if
(
packet_type
==
IF4_PDLFFT
)
{
if
(
packet_type
==
IF4_PDLFFT
)
{
dl_header
=
(
IF4_dl_header_t
*
)
malloc
(
sizeof_IF4_dl_header_t
);
db_fulllength
=
12
*
fp
->
N_RB_DL
;
gen_IF4_dl_header
(
dl_header
,
proc
);
db_halflength
=
(
db_fulllength
)
>>
1
;
db_halflength
=
(
12
*
fp
->
N_RB_DL
)
>>
1
;
slotoffsetF
=
(
proc
->
subframe_tx
)
*
(
fp
->
ofdm_symbol_size
)
*
((
fp
->
Ncp
==
1
)
?
12
:
14
)
+
1
;
slotoffsetF
=
(
proc
->
subframe_tx
)
*
(
fp
->
ofdm_symbol_size
)
*
((
fp
->
Ncp
==
1
)
?
12
:
14
)
+
1
;
blockoffsetF
=
slotoffsetF
+
fp
->
ofdm_symbol_size
-
db_halflength
;
blockoffsetF
=
slotoffsetF
+
fp
->
ofdm_symbol_size
-
db_halflength
;
printf
(
"Problem here - db_half %d
\n
"
,
db_halflength
);
data_block
=
(
int16_t
*
)
malloc
(
db_halflength
*
sizeof
(
int16_t
));
for
(
symbol_id
=
0
;
symbol_id
<
fp
->
symbols_per_tti
;
symbol_id
++
)
{
tx_buffer
=
malloc
(
/*SIZE_OF_MAC_BYTES +*/
sizeof_IF4_dl_header_t
+
db_fulllength
*
sizeof
(
int16_t
));
IF4_dl_header_t
*
dl_header
=
(
IF4_dl_header_t
*
)(
tx_buffer
/*+ MAC_HEADER_SIZE_BYTES*/
);
printf
(
"
\n
Send IF4 for frame %d, subframe %d and symbol %d
\n
"
,
proc
->
frame_tx
,
proc
->
subframe_tx
,
symbol_id
);
data_block
=
(
int16_t
*
)(
tx_buffer
/*+ MAC_HEADER_SIZE_BYTES*/
+
sizeof_IF4_dl_header_t
);
gen_IF4_dl_header
(
dl_header
,
proc
);
for
(
symbol_id
=
0
;
symbol_id
<
fp
->
symbols_per_tti
;
symbol_id
++
)
{
// Do compression of the two parts and generate data blocks
// Do compression of the two parts and generate data blocks
for
(
element_id
=
0
;
element_id
<
db_halflength
;
element_id
++
)
{
for
(
element_id
=
0
;
element_id
<
db_halflength
;
element_id
++
)
{
data_block
[
element_id
]
=
lin2alaw
[
(
txdataF
[
0
][
blockoffsetF
+
element_id
]
&
0xffff
)
+
32768
];
data_block
[
element_id
]
=
lin2alaw
[
(
txdataF
[
0
][
blockoffsetF
+
element_id
]
&
0xffff
)
+
32768
];
...
@@ -88,32 +84,32 @@ void send_IF4(PHY_VARS_eNB *eNB, eNB_rxtx_proc_t *proc, uint16_t packet_type) {
...
@@ -88,32 +84,32 @@ void send_IF4(PHY_VARS_eNB *eNB, eNB_rxtx_proc_t *proc, uint16_t packet_type) {
// Update information in generated packet
// Update information in generated packet
dl_header
->
frame_status
.
sym_num
=
symbol_id
;
dl_header
->
frame_status
.
sym_num
=
symbol_id
;
printf
(
"
\n
Not even here !!
\n
"
);
// Write the packet to the fronthaul
// Write the packet(s) to the fronthaul
if
((
eNB
->
ifdevice
.
trx_write_func
(
&
eNB
->
ifdevice
,
if
((
eNB
->
ifdevice
.
trx_write_func
(
&
eNB
->
ifdevice
,
symbol_id
,
symbol_id
,
&
data_block
,
tx_buffer
,
1
,
db_fulllength
,
1
,
1
,
0
))
<
0
)
{
IF4_PDLFFT
))
<
0
)
{
perror
(
"ETHERNET write"
);
perror
(
"ETHERNET write
for IF4_PDLFFT
\n
"
);
}
}
slotoffsetF
+=
fp
->
ofdm_symbol_size
;
slotoffsetF
+=
fp
->
ofdm_symbol_size
;
blockoffsetF
+=
fp
->
ofdm_symbol_size
;
blockoffsetF
+=
fp
->
ofdm_symbol_size
;
}
}
}
else
if
(
packet_type
==
IF4_PULFFT
)
{
}
else
if
(
packet_type
==
IF4_PULFFT
)
{
ul_header
=
(
IF4_ul_header_t
*
)
malloc
(
sizeof_IF4_ul_header_t
);
db_fulllength
=
12
*
fp
->
N_RB_UL
;
gen_IF4_ul_header
(
ul_header
,
proc
);
db_halflength
=
(
db_fulllength
)
>>
1
;
db_halflength
=
(
12
*
fp
->
N_RB_UL
)
>>
1
;
slotoffsetF
=
(
proc
->
subframe_rx
)
*
(
fp
->
ofdm_symbol_size
)
*
((
fp
->
Ncp
==
1
)
?
12
:
14
)
+
1
;
slotoffsetF
=
(
proc
->
subframe_rx
)
*
(
fp
->
ofdm_symbol_size
)
*
((
fp
->
Ncp
==
1
)
?
12
:
14
)
+
1
;
blockoffsetF
=
slotoffsetF
+
fp
->
ofdm_symbol_size
-
db_halflength
;
blockoffsetF
=
slotoffsetF
+
fp
->
ofdm_symbol_size
-
db_halflength
;
data_block
=
(
int16_t
*
)
malloc
(
db_halflength
*
sizeof
(
int16_t
));
for
(
symbol_id
=
0
;
symbol_id
<
fp
->
symbols_per_tti
;
symbol_id
++
)
{
tx_buffer
=
malloc
(
/*SIZE_OF_MAC_BYTES +*/
sizeof_IF4_dl_header_t
+
db_fulllength
*
sizeof
(
int16_t
));
IF4_ul_header_t
*
ul_header
=
(
IF4_ul_header_t
*
)(
tx_buffer
/*+ MAC_HEADER_SIZE_BYTES*/
);
data_block
=
(
int16_t
*
)(
tx_buffer
/*+ MAC_HEADER_SIZE_BYTES*/
+
sizeof_IF4_ul_header_t
);
gen_IF4_ul_header
(
ul_header
,
proc
);
for
(
symbol_id
=
0
;
symbol_id
<
fp
->
symbols_per_tti
;
symbol_id
++
)
{
// Do compression of the two parts and generate data blocks - rxdataF
// Do compression of the two parts and generate data blocks - rxdataF
for
(
element_id
=
0
;
element_id
<
db_halflength
;
element_id
++
)
{
for
(
element_id
=
0
;
element_id
<
db_halflength
;
element_id
++
)
{
data_block
[
element_id
]
=
lin2alaw
[
(
rxdataF
[
0
][
blockoffsetF
+
element_id
]
&
0xffff
)
+
32768
];
data_block
[
element_id
]
=
lin2alaw
[
(
rxdataF
[
0
][
blockoffsetF
+
element_id
]
&
0xffff
)
+
32768
];
...
@@ -127,22 +123,55 @@ void send_IF4(PHY_VARS_eNB *eNB, eNB_rxtx_proc_t *proc, uint16_t packet_type) {
...
@@ -127,22 +123,55 @@ void send_IF4(PHY_VARS_eNB *eNB, eNB_rxtx_proc_t *proc, uint16_t packet_type) {
ul_header
->
frame_status
.
sym_num
=
symbol_id
;
ul_header
->
frame_status
.
sym_num
=
symbol_id
;
// Write the packet(s) to the fronthaul
// Write the packet(s) to the fronthaul
if
((
eNB
->
ifdevice
.
trx_write_func
(
&
eNB
->
ifdevice
,
symbol_id
,
tx_buffer
,
db_fulllength
,
1
,
IF4_PULFFT
))
<
0
)
{
perror
(
"ETHERNET write for IF4_PULFFT
\n
"
);
}
slotoffsetF
+=
fp
->
ofdm_symbol_size
;
slotoffsetF
+=
fp
->
ofdm_symbol_size
;
blockoffsetF
+=
fp
->
ofdm_symbol_size
;
blockoffsetF
+=
fp
->
ofdm_symbol_size
;
}
}
}
else
if
(
packet_type
==
IF4_PRACH
)
{
}
else
if
(
packet_type
==
IF4_PRACH
)
{
// FIX: hard coded prach samples length
db_fulllength
=
839
;
slotoffsetF
=
(
proc
->
subframe_tx
)
*
(
fp
->
ofdm_symbol_size
)
*
((
fp
->
Ncp
==
1
)
?
12
:
14
)
+
1
;
tx_buffer
=
malloc
(
/*SIZE_OF_MAC_BYTES +*/
sizeof_IF4_prach_header_t
+
db_fulllength
*
sizeof
(
int16_t
));
IF4_prach_header_t
*
prach_header
=
(
IF4_prach_header_t
*
)(
tx_buffer
/*+ MAC_HEADER_SIZE_BYTES*/
);
data_block
=
(
int16_t
*
)(
tx_buffer
/*+ MAC_HEADER_SIZE_BYTES*/
+
sizeof_IF4_prach_header_t
);
gen_IF4_prach_header
(
prach_header
,
proc
);
// Do compression and generate data blocks
for
(
element_id
=
0
;
element_id
<
db_fulllength
;
element_id
++
)
{
data_block
[
element_id
]
=
lin2alaw
[
(
prachF
[
blockoffsetF
+
element_id
]
&
0xffff
)
+
32768
];
data_block
[
element_id
]
|=
lin2alaw
[
(
prachF
[
blockoffsetF
+
element_id
]
>>
16
)
+
32768
]
<<
8
;
}
// Write the packet to the fronthaul
if
((
eNB
->
ifdevice
.
trx_write_func
(
&
eNB
->
ifdevice
,
symbol_id
,
tx_buffer
,
db_fulllength
,
1
,
IF4_PRACH
))
<
0
)
{
perror
(
"ETHERNET write for IF4_PRACH
\n
"
);
}
}
else
{
}
else
{
AssertFatal
(
1
==
0
,
"send_IF4 - Unknown packet_type %x"
,
packet_type
);
AssertFatal
(
1
==
0
,
"send_IF4 - Unknown packet_type %x"
,
packet_type
);
}
}
free
(
tx_buffer
);
return
;
return
;
}
}
void
recv_IF4
(
PHY_VARS_eNB
*
eNB
,
eNB_rxtx_proc_t
*
proc
,
uint16_t
*
packet_type
,
uint32_t
*
symbol_number
)
{
void
recv_IF4
(
PHY_VARS_eNB
*
eNB
,
uint16_t
*
packet_type
,
uint32_t
*
symbol_number
)
{
LTE_DL_FRAME_PARMS
*
fp
=
&
eNB
->
frame_parms
;
LTE_DL_FRAME_PARMS
*
fp
=
&
eNB
->
frame_parms
;
eNB_proc_t
*
proc
=
&
eNB
->
proc
;
int32_t
**
txdataF
=
eNB
->
common_vars
.
txdataF
[
0
];
int32_t
**
txdataF
=
eNB
->
common_vars
.
txdataF
[
0
];
int32_t
**
rxdataF
=
eNB
->
common_vars
.
rxdataF
[
0
];
int32_t
**
rxdataF
=
eNB
->
common_vars
.
rxdataF
[
0
];
...
@@ -151,23 +180,22 @@ void recv_IF4(PHY_VARS_eNB *eNB, eNB_rxtx_proc_t *proc, uint16_t *packet_type, u
...
@@ -151,23 +180,22 @@ void recv_IF4(PHY_VARS_eNB *eNB, eNB_rxtx_proc_t *proc, uint16_t *packet_type, u
int
slotoffsetF
,
blockoffsetF
;
int
slotoffsetF
,
blockoffsetF
;
*
packet_type
=
0
;
*
packet_type
=
0
;
void
*
rxbuffer
=
NULL
;
void
*
rx
_
buffer
=
NULL
;
int16_t
*
data_block
=
NULL
;
int16_t
*
data_block
=
NULL
;
// Read packet(s) from the fronthaul
// Read packet(s) from the fronthaul
if
(
eNB
->
ifdevice
.
trx_read_func
(
&
eNB
->
ifdevice
,
if
(
eNB
->
ifdevice
.
trx_read_func
(
&
eNB
->
ifdevice
,
symbol_number
,
symbol_number
,
rxbuffer
,
rx_buffer
,
fp
->
symbols_per_tti
,
0
,
eNB
->
ifdevice
.
openair0_cfg
->
rx_num_channels
0
)
<
0
)
{
)
<
0
)
{
perror
(
"ETHERNET read"
);
perror
(
"ETHERNET read"
);
}
}
packet_type
=
(
uint16_t
*
)
(
rxbuffer
+
2
);
packet_type
=
(
uint16_t
*
)
(
rx
_
buffer
+
2
);
if
(
*
packet_type
==
IF4_PDLFFT
)
{
if
(
*
packet_type
==
IF4_PDLFFT
)
{
data_block
=
(
int16_t
*
)
(
rxbuffer
+
sizeof_IF4_dl_header_t
);
data_block
=
(
int16_t
*
)
(
rx
_
buffer
+
sizeof_IF4_dl_header_t
);
db_halflength
=
(
12
*
fp
->
N_RB_DL
)
>>
1
;
db_halflength
=
(
12
*
fp
->
N_RB_DL
)
>>
1
;
...
@@ -190,7 +218,7 @@ void recv_IF4(PHY_VARS_eNB *eNB, eNB_rxtx_proc_t *proc, uint16_t *packet_type, u
...
@@ -190,7 +218,7 @@ void recv_IF4(PHY_VARS_eNB *eNB, eNB_rxtx_proc_t *proc, uint16_t *packet_type, u
*
symbol_number
=
0
;
*
symbol_number
=
0
;
}
else
if
(
*
packet_type
==
IF4_PULFFT
)
{
}
else
if
(
*
packet_type
==
IF4_PULFFT
)
{
data_block
=
(
int16_t
*
)
(
rxbuffer
+
sizeof_IF4_ul_header_t
);
data_block
=
(
int16_t
*
)
(
rx
_
buffer
+
sizeof_IF4_ul_header_t
);
db_halflength
=
(
12
*
fp
->
N_RB_UL
)
>>
1
;
db_halflength
=
(
12
*
fp
->
N_RB_UL
)
>>
1
;
...
@@ -213,16 +241,17 @@ void recv_IF4(PHY_VARS_eNB *eNB, eNB_rxtx_proc_t *proc, uint16_t *packet_type, u
...
@@ -213,16 +241,17 @@ void recv_IF4(PHY_VARS_eNB *eNB, eNB_rxtx_proc_t *proc, uint16_t *packet_type, u
*
symbol_number
=
0
;
*
symbol_number
=
0
;
}
else
if
(
*
packet_type
==
IF4_PRACH
)
{
}
else
if
(
*
packet_type
==
IF4_PRACH
)
{
data_block
=
(
int16_t
*
)
(
rxbuffer
+
sizeof_IF4_prach_header_t
);
data_block
=
(
int16_t
*
)
(
rx
_
buffer
+
sizeof_IF4_prach_header_t
);
}
else
{
}
else
{
AssertFatal
(
1
==
0
,
"recv_IF4 - Unknown packet_type %x"
,
*
packet_type
);
AssertFatal
(
1
==
0
,
"recv_IF4 - Unknown packet_type %x"
,
*
packet_type
);
}
}
free
(
rx_buffer
);
return
;
return
;
}
}
void
gen_IF4_dl_header
(
IF4_dl_header_t
*
dl_packet
,
eNB_
rxtx_
proc_t
*
proc
)
{
void
gen_IF4_dl_header
(
IF4_dl_header_t
*
dl_packet
,
eNB_proc_t
*
proc
)
{
// Set Type and Sub-Type
// Set Type and Sub-Type
dl_packet
->
type
=
IF4_PACKET_TYPE
;
dl_packet
->
type
=
IF4_PACKET_TYPE
;
dl_packet
->
sub_type
=
IF4_PDLFFT
;
dl_packet
->
sub_type
=
IF4_PDLFFT
;
...
@@ -242,7 +271,7 @@ void gen_IF4_dl_header(IF4_dl_header_t *dl_packet, eNB_rxtx_proc_t *proc) {
...
@@ -242,7 +271,7 @@ void gen_IF4_dl_header(IF4_dl_header_t *dl_packet, eNB_rxtx_proc_t *proc) {
}
}
void
gen_IF4_ul_header
(
IF4_ul_header_t
*
ul_packet
,
eNB_
rxtx_
proc_t
*
proc
)
{
void
gen_IF4_ul_header
(
IF4_ul_header_t
*
ul_packet
,
eNB_proc_t
*
proc
)
{
// Set Type and Sub-Type
// Set Type and Sub-Type
ul_packet
->
type
=
IF4_PACKET_TYPE
;
ul_packet
->
type
=
IF4_PACKET_TYPE
;
ul_packet
->
sub_type
=
IF4_PULFFT
;
ul_packet
->
sub_type
=
IF4_PULFFT
;
...
@@ -266,7 +295,7 @@ void gen_IF4_ul_header(IF4_ul_header_t *ul_packet, eNB_rxtx_proc_t *proc) {
...
@@ -266,7 +295,7 @@ void gen_IF4_ul_header(IF4_ul_header_t *ul_packet, eNB_rxtx_proc_t *proc) {
}
}
void
gen_IF4_prach_header
(
IF4_prach_header_t
*
prach_packet
,
eNB_
rxtx_
proc_t
*
proc
)
{
void
gen_IF4_prach_header
(
IF4_prach_header_t
*
prach_packet
,
eNB_proc_t
*
proc
)
{
// Set Type and Sub-Type
// Set Type and Sub-Type
prach_packet
->
type
=
IF4_PACKET_TYPE
;
prach_packet
->
type
=
IF4_PACKET_TYPE
;
prach_packet
->
sub_type
=
IF4_PRACH
;
prach_packet
->
sub_type
=
IF4_PRACH
;
...
...
This diff is collapsed.
Click to expand it.
openair1/PHY/LTE_TRANSPORT/if4_tools.h
View file @
f2e183fb
...
@@ -175,12 +175,12 @@ struct IF4_prach_header {
...
@@ -175,12 +175,12 @@ struct IF4_prach_header {
typedef
struct
IF4_prach_header
IF4_prach_header_t
;
typedef
struct
IF4_prach_header
IF4_prach_header_t
;
#define sizeof_IF4_prach_header_t 12
#define sizeof_IF4_prach_header_t 12
void
gen_IF4_dl_header
(
IF4_dl_header_t
*
,
eNB_
rxtx_
proc_t
*
);
void
gen_IF4_dl_header
(
IF4_dl_header_t
*
,
eNB_proc_t
*
);
void
gen_IF4_ul_header
(
IF4_ul_header_t
*
,
eNB_
rxtx_
proc_t
*
);
void
gen_IF4_ul_header
(
IF4_ul_header_t
*
,
eNB_proc_t
*
);
void
gen_IF4_prach_header
(
IF4_prach_header_t
*
,
eNB_
rxtx_
proc_t
*
);
void
gen_IF4_prach_header
(
IF4_prach_header_t
*
,
eNB_proc_t
*
);
void
send_IF4
(
PHY_VARS_eNB
*
,
eNB_rxtx_proc_t
*
,
uint16_t
);
void
send_IF4
(
PHY_VARS_eNB
*
,
uint16_t
);
void
recv_IF4
(
PHY_VARS_eNB
*
,
eNB_rxtx_proc_t
*
,
uint16_t
*
,
uint32_t
*
);
void
recv_IF4
(
PHY_VARS_eNB
*
,
uint16_t
*
,
uint32_t
*
);
This diff is collapsed.
Click to expand it.
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