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Michael Black
OpenXG-RAN
Commits
622f9173
Commit
622f9173
authored
8 years ago
by
S. Sandeep Kumar
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adjust spp for whole number per subframe
parent
c32304af
Changes
1
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1 changed file
with
6 additions
and
10 deletions
+6
-10
targets/ARCH/ETHERNET/USERSPACE/LIB/ethernet_lib.c
targets/ARCH/ETHERNET/USERSPACE/LIB/ethernet_lib.c
+6
-10
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targets/ARCH/ETHERNET/USERSPACE/LIB/ethernet_lib.c
View file @
622f9173
...
...
@@ -83,7 +83,7 @@ int trx_eth_start(openair0_device *device) {
if
(
eth_get_dev_conf_raw_IF4
(
device
)
!=
0
)
return
-
1
;
}
/* adjust MTU wrt number of samples per packet */
if
(
ethernet_tune
(
device
,
MTU_SIZE
,
RAW_
PACKET_SIZE_BYTES
(
device
->
openair0_cfg
->
samples_per_packet
)
)
!=
0
)
return
-
1
;
if
(
ethernet_tune
(
device
,
MTU_SIZE
,
RAW_
IF4_PRACH_SIZE_BYTES
)
!=
0
)
return
-
1
;
}
else
if
(
eth
->
flags
==
ETH_UDP_IF4_MODE
)
{
...
...
@@ -107,8 +107,6 @@ int trx_eth_start(openair0_device *device) {
}
else
{
if
(
eth_get_dev_conf_udp
(
device
)
!=
0
)
return
-
1
;
}
/* adjust MTU wrt number of samples per packet */
//if(ethernet_tune (device,MTU_SIZE,UDP_PACKET_SIZE_BYTES(device->openair0_cfg->samples_per_packet))!=0) return -1;
}
/* apply additional configuration */
if
(
ethernet_tune
(
device
,
SND_BUF_SIZE
,
2000000000
)
!=
0
)
return
-
1
;
...
...
@@ -386,8 +384,6 @@ int transport_init(openair0_device *device, openair0_config_t *openair0_cfg, eth
device
->
priv
=
eth
;
/* device specific */
//openair0_cfg[0].txlaunch_wait = 0;//manage when TX processing is triggered
//openair0_cfg[0].txlaunch_wait_slotcount = 0; //manage when TX processing is triggered
openair0_cfg
[
0
].
iq_rxrescale
=
15
;
//rescale iqs
openair0_cfg
[
0
].
iq_txshift
=
eth_params
->
iq_txshift
;
// shift
openair0_cfg
[
0
].
tx_sample_advance
=
eth_params
->
tx_sample_advance
;
...
...
@@ -397,19 +393,19 @@ int transport_init(openair0_device *device, openair0_config_t *openair0_cfg, eth
/*Note scheduling advance values valid only for case 7680000 */
switch
((
int
)
openair0_cfg
[
0
].
sample_rate
)
{
case
30720000
:
openair0_cfg
[
0
].
samples_per_packet
=
4096
;
openair0_cfg
[
0
].
samples_per_packet
=
3840
;
break
;
case
23040000
:
openair0_cfg
[
0
].
samples_per_packet
=
2
048
;
openair0_cfg
[
0
].
samples_per_packet
=
2
880
;
break
;
case
15360000
:
openair0_cfg
[
0
].
samples_per_packet
=
2048
;
openair0_cfg
[
0
].
samples_per_packet
=
1920
;
break
;
case
7680000
:
openair0_cfg
[
0
].
samples_per_packet
=
1024
;
openair0_cfg
[
0
].
samples_per_packet
=
960
;
break
;
case
1920000
:
openair0_cfg
[
0
].
samples_per_packet
=
2
56
;
openair0_cfg
[
0
].
samples_per_packet
=
2
40
;
break
;
default:
printf
(
"Error: unknown sampling rate %f
\n
"
,
openair0_cfg
[
0
].
sample_rate
);
...
...
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