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lizhongxiao
OpenXG-RAN
Commits
f2f6850b
Commit
f2f6850b
authored
Dec 15, 2021
by
francescomani
Browse files
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first version to check pucch vrb occupation
parent
909f0ad4
Changes
3
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3 changed files
with
181 additions
and
63 deletions
+181
-63
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c
+37
-10
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_uci.c
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_uci.c
+136
-53
openair2/LAYER2/NR_MAC_gNB/mac_proto.h
openair2/LAYER2/NR_MAC_gNB/mac_proto.h
+8
-0
No files found.
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c
View file @
f2f6850b
...
...
@@ -1035,23 +1035,26 @@ void nr_configure_pucch(nfapi_nr_pucch_pdu_t* pucch_pdu,
else
{
// this is the default PUCCH configuration, PUCCH format 0 or 1
LOG_D
(
NR_MAC
,
"pucch_acknak: Filling default PUCCH configuration from Tables (r_pucch %d, bwp %p)
\n
"
,
r_pucch
,
bwp
);
int
rsetindex
=
*
scc
->
uplinkConfigCommon
->
initialUplinkBWP
->
pucch_ConfigCommon
->
choice
.
setup
->
pucch_ResourceCommon
;
int
prboffset
=
r_pucch
/
default_pucch_csset
[
rsetindex
];
int
prboffsetm8
=
(
r_pucch
-
8
)
/
default_pucch_csset
[
rsetindex
];
pucch_pdu
->
prb_start
=
(
r_pucch
>>
3
)
==
0
?
default_pucch_prboffset
[
rsetindex
]
+
prboffset
:
pucch_pdu
->
bwp_size
-
1
-
default_pucch_prboffset
[
rsetindex
]
-
prboffsetm8
;
int
prb_start
,
second_hop_prb
,
nr_of_symb
,
start_symb
;
set_r_pucch_parms
(
rsetindex
,
r_pucch
,
pucch_pdu
->
bwp_size
,
&
prb_start
,
&
second_hop_prb
,
&
nr_of_symb
,
&
start_symb
);
pucch_pdu
->
prb_start
=
prb_start
;
pucch_pdu
->
rnti
=
rnti
;
pucch_pdu
->
freq_hop_flag
=
1
;
pucch_pdu
->
second_hop_prb
=
(
r_pucch
>>
3
)
==
0
?
pucch_pdu
->
bwp_size
-
1
-
default_pucch_prboffset
[
rsetindex
]
-
prboffset
:
default_pucch_prboffset
[
rsetindex
]
+
prboffsetm8
;
pucch_pdu
->
second_hop_prb
=
second_hop_prb
;
pucch_pdu
->
format_type
=
default_pucch_fmt
[
rsetindex
];
pucch_pdu
->
initial_cyclic_shift
=
r_pucch
%
default_pucch_csset
[
rsetindex
];
if
(
rsetindex
==
3
||
rsetindex
==
7
||
rsetindex
==
11
)
pucch_pdu
->
initial_cyclic_shift
*=
6
;
else
if
(
rsetindex
==
1
||
rsetindex
==
2
)
pucch_pdu
->
initial_cyclic_shift
*=
3
;
else
pucch_pdu
->
initial_cyclic_shift
*=
4
;
pucch_pdu
->
nr_of_symbols
=
default_pucch_numbsymb
[
rsetindex
]
;
pucch_pdu
->
start_symbol_index
=
default_pucch_firstsymb
[
rsetindex
]
;
pucch_pdu
->
nr_of_symbols
=
nr_of_symb
;
pucch_pdu
->
start_symbol_index
=
start_symb
;
if
(
pucch_pdu
->
format_type
==
1
)
pucch_pdu
->
time_domain_occ_idx
=
0
;
// check this!!
pucch_pdu
->
sr_flag
=
O_sr
;
pucch_pdu
->
prb_size
=
1
;
...
...
@@ -1059,6 +1062,30 @@ void nr_configure_pucch(nfapi_nr_pucch_pdu_t* pucch_pdu,
}
void
set_r_pucch_parms
(
int
rsetindex
,
int
r_pucch
,
int
bwp_size
,
int
*
prb_start
,
int
*
second_hop_prb
,
int
*
nr_of_symbols
,
int
*
start_symbol_index
)
{
int
prboffset
=
r_pucch
/
default_pucch_csset
[
rsetindex
];
int
prboffsetm8
=
(
r_pucch
-
8
)
/
default_pucch_csset
[
rsetindex
];
*
prb_start
=
(
r_pucch
>>
3
)
==
0
?
default_pucch_prboffset
[
rsetindex
]
+
prboffset
:
bwp_size
-
1
-
default_pucch_prboffset
[
rsetindex
]
-
prboffsetm8
;
*
second_hop_prb
=
(
r_pucch
>>
3
)
==
0
?
bwp_size
-
1
-
default_pucch_prboffset
[
rsetindex
]
-
prboffset
:
default_pucch_prboffset
[
rsetindex
]
+
prboffsetm8
;
*
nr_of_symbols
=
default_pucch_numbsymb
[
rsetindex
];
*
start_symbol_index
=
default_pucch_firstsymb
[
rsetindex
];
}
void
prepare_dci
(
const
NR_CellGroupConfig_t
*
CellGroup
,
dci_pdu_rel15_t
*
dci_pdu_rel15
,
nr_dci_format_t
format
,
...
...
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_uci.c
View file @
f2f6850b
...
...
@@ -32,6 +32,7 @@
#include "NR_MAC_COMMON/nr_mac_extern.h"
#include "NR_MAC_gNB/mac_proto.h"
#include "common/ran_context.h"
#include "common/utils/nr/nr_common.h"
#include "nfapi/oai_integration/vendor_ext.h"
extern
RAN_CONTEXT_t
RC
;
...
...
@@ -539,16 +540,16 @@ void nr_csi_meas_reporting(int Mod_idP,
switch
(
pucchres
->
format
.
present
){
case
NR_PUCCH_Resource__format_PR_format2
:
len
=
pucchres
->
format
.
choice
.
format2
->
nrofPRBs
;
mask
=
((
1
<<
pucchres
->
format
.
choice
.
format2
->
nrofSymbols
)
-
1
)
<<
pucchres
->
format
.
choice
.
format2
->
startingSymbolIndex
;
mask
=
SL_to_bitmap
(
pucchres
->
format
.
choice
.
format2
->
startingSymbolIndex
,
pucchres
->
format
.
choice
.
format2
->
nrofSymbols
)
;
curr_pucch
->
simultaneous_harqcsi
=
pucch_Config
->
format2
->
choice
.
setup
->
simultaneousHARQ_ACK_CSI
;
break
;
case
NR_PUCCH_Resource__format_PR_format3
:
len
=
pucchres
->
format
.
choice
.
format3
->
nrofPRBs
;
mask
=
((
1
<<
pucchres
->
format
.
choice
.
format3
->
nrofSymbols
)
-
1
)
<<
pucchres
->
format
.
choice
.
format3
->
startingSymbolIndex
;
mask
=
SL_to_bitmap
(
pucchres
->
format
.
choice
.
format3
->
startingSymbolIndex
,
pucchres
->
format
.
choice
.
format3
->
nrofSymbols
)
;
curr_pucch
->
simultaneous_harqcsi
=
pucch_Config
->
format3
->
choice
.
setup
->
simultaneousHARQ_ACK_CSI
;
break
;
case
NR_PUCCH_Resource__format_PR_format4
:
mask
=
((
1
<<
pucchres
->
format
.
choice
.
format4
->
nrofSymbols
)
-
1
)
<<
pucchres
->
format
.
choice
.
format4
->
startingSymbolIndex
;
mask
=
SL_to_bitmap
(
pucchres
->
format
.
choice
.
format4
->
startingSymbolIndex
,
pucchres
->
format
.
choice
.
format4
->
nrofSymbols
)
;
curr_pucch
->
simultaneous_harqcsi
=
pucch_Config
->
format4
->
choice
.
setup
->
simultaneousHARQ_ACK_CSI
;
break
;
default:
...
...
@@ -556,7 +557,12 @@ void nr_csi_meas_reporting(int Mod_idP,
}
// verify resources are free
for
(
int
i
=
start
;
i
<
start
+
len
;
++
i
)
{
vrb_map_UL
[
i
+
bwp_start
]
|=
mask
;
if
((
vrb_map_UL
[
i
+
bwp_start
]
&
mask
)
!=
0
)
{
LOG_E
(
NR_MAC
,
"%s(): VRB MAP not free. Can't schedule CSI reporting on PUCCH.
\n
"
,
__func__
);
memset
(
curr_pucch
,
0
,
sizeof
(
*
curr_pucch
));
}
else
vrb_map_UL
[
i
+
bwp_start
]
|=
mask
;
}
}
}
...
...
@@ -1170,6 +1176,63 @@ void handle_nr_uci_pucch_2_3_4(module_id_t mod_id,
}
}
bool
test_acknack_vrb_occupation
(
NR_UE_sched_ctrl_t
*
sched_ctrl
,
NR_sched_pucch_t
*
pucch
,
uint16_t
*
vrb_map_UL
,
const
NR_ServingCellConfigCommon_t
*
scc
,
NR_PUCCH_Config_t
*
pucch_Config
,
int
r_pucch
,
int
bwp_start
,
int
bwp_size
)
{
// We assume initial cyclic shift is always 0 so different pucch resources can't overlap
NR_sched_pucch_t
*
csi_pucch
=
&
sched_ctrl
->
sched_pucch
[
1
];
if
(
csi_pucch
&&
csi_pucch
->
csi_bits
>
0
&&
csi_pucch
->
frame
==
pucch
->
frame
&&
csi_pucch
->
ul_slot
==
pucch
->
ul_slot
&&
csi_pucch
->
simultaneous_harqcsi
&&
(
csi_pucch
->
csi_bits
+
csi_pucch
->
dai_c
)
<
11
)
return
true
;
// available resources for csi_pucch already verified
int
prb_start
,
second_hop_prb
,
nr_of_symb
,
start_symb
;
if
(
r_pucch
<
0
){
const
NR_PUCCH_Resource_t
*
resource
=
pucch_Config
->
resourceToAddModList
->
list
.
array
[
0
];
DevAssert
(
resource
->
format
.
present
==
NR_PUCCH_Resource__format_PR_format0
);
second_hop_prb
=
resource
->
secondHopPRB
!=
NULL
?
*
resource
->
secondHopPRB
:
0
;
nr_of_symb
=
resource
->
format
.
choice
.
format0
->
nrofSymbols
;
start_symb
=
resource
->
format
.
choice
.
format0
->
startingSymbolIndex
;
prb_start
=
resource
->
startingPRB
;
}
else
{
int
rsetindex
=
*
scc
->
uplinkConfigCommon
->
initialUplinkBWP
->
pucch_ConfigCommon
->
choice
.
setup
->
pucch_ResourceCommon
;
set_r_pucch_parms
(
rsetindex
,
r_pucch
,
bwp_size
,
&
prb_start
,
&
second_hop_prb
,
&
nr_of_symb
,
&
start_symb
);
}
// verifying occupation of PRBs for ACK/NACK on dedicated pucch
bool
ret
=
true
;
for
(
int
l
=
0
;
l
<
nr_of_symb
;
l
++
)
{
uint16_t
symb
=
SL_to_bitmap
(
start_symb
+
l
,
1
);
int
prb
;
if
(
l
==
1
&&
second_hop_prb
!=
0
)
prb
=
second_hop_prb
;
else
prb
=
prb_start
;
if
((
vrb_map_UL
[
bwp_start
+
prb
]
&
symb
)
!=
0
)
{
ret
=
false
;
break
;
}
}
return
ret
;
}
// this function returns an index to NR_sched_pucch structure
// currently this structure contains PUCCH0 at index 0 and PUCCH2 at index 1
...
...
@@ -1205,6 +1268,24 @@ int nr_acknack_scheduling(int mod_id,
* later)
* * each UE has dedicated PUCCH Format 0 resources, and we use index 0! */
NR_UE_sched_ctrl_t
*
sched_ctrl
=
&
RC
.
nrmac
[
mod_id
]
->
UE_info
.
UE_sched_ctrl
[
UE_id
];
NR_PUCCH_Config_t
*
pucch_Config
=
NULL
;
if
(
sched_ctrl
->
active_ubwp
)
{
pucch_Config
=
sched_ctrl
->
active_ubwp
->
bwp_Dedicated
->
pucch_Config
->
choice
.
setup
;
}
else
if
(
RC
.
nrmac
[
mod_id
]
->
UE_info
.
CellGroup
[
UE_id
]
&&
RC
.
nrmac
[
mod_id
]
->
UE_info
.
CellGroup
[
UE_id
]
->
spCellConfig
&&
RC
.
nrmac
[
mod_id
]
->
UE_info
.
CellGroup
[
UE_id
]
->
spCellConfig
->
spCellConfigDedicated
&&
RC
.
nrmac
[
mod_id
]
->
UE_info
.
CellGroup
[
UE_id
]
->
spCellConfig
->
spCellConfigDedicated
->
uplinkConfig
&&
RC
.
nrmac
[
mod_id
]
->
UE_info
.
CellGroup
[
UE_id
]
->
spCellConfig
->
spCellConfigDedicated
->
uplinkConfig
->
initialUplinkBWP
&&
RC
.
nrmac
[
mod_id
]
->
UE_info
.
CellGroup
[
UE_id
]
->
spCellConfig
->
spCellConfigDedicated
->
uplinkConfig
->
initialUplinkBWP
->
pucch_Config
->
choice
.
setup
)
{
pucch_Config
=
RC
.
nrmac
[
mod_id
]
->
UE_info
.
CellGroup
[
UE_id
]
->
spCellConfig
->
spCellConfigDedicated
->
uplinkConfig
->
initialUplinkBWP
->
pucch_Config
->
choice
.
setup
;
}
NR_BWP_t
*
genericParameters
=
sched_ctrl
->
active_ubwp
?
&
sched_ctrl
->
active_ubwp
->
bwp_Common
->
genericParameters
:
&
scc
->
uplinkConfigCommon
->
initialUplinkBWP
->
genericParameters
;
int
bwp_start
=
NRRIV2PRBOFFSET
(
genericParameters
->
locationAndBandwidth
,
MAX_BWP_SIZE
);
int
bwp_size
=
NRRIV2BW
(
genericParameters
->
locationAndBandwidth
,
MAX_BWP_SIZE
);
NR_sched_pucch_t
*
pucch
=
&
sched_ctrl
->
sched_pucch
[
0
];
LOG_D
(
NR_MAC
,
"pucch_acknak %d.%d Trying to allocate pucch, current DAI %d
\n
"
,
frame
,
slot
,
pucch
->
dai_c
);
pucch
->
r_pucch
=
r_pucch
;
...
...
@@ -1321,21 +1402,32 @@ int nr_acknack_scheduling(int mod_id,
int
ind_found
=
-
1
;
// while we are within the feedback limits
while
((
n_slots_frame
+
pucch
->
ul_slot
-
slot
)
%
n_slots_frame
<=
max_fb_time
)
{
int
i
=
0
;
while
(
i
<
8
)
{
LOG_D
(
NR_MAC
,
"pdsch_to_harq_feedback[%d] = %d (pucch->ul_slot %d - slot %d)
\n
"
,
i
,
pdsch_to_harq_feedback
[
i
],
pucch
->
ul_slot
,
slot
);
int
diff
=
pucch
->
ul_slot
-
slot
;
if
(
diff
<
0
)
diff
+=
n_slots_frame
;
if
(
pdsch_to_harq_feedback
[
i
]
==
diff
)
{
ind_found
=
i
;
break
;
// checking if in ul_slot the resources potentially to be assigned to this PUCCH are available
bool
ret
=
test_acknack_vrb_occupation
(
sched_ctrl
,
pucch
,
&
RC
.
nrmac
[
mod_id
]
->
common_channels
[
CC_id
].
vrb_map_UL
[
pucch
->
ul_slot
*
MAX_BWP_SIZE
],
scc
,
pucch_Config
,
r_pucch
,
bwp_start
,
bwp_size
);
if
(
ret
)
{
int
i
=
0
;
while
(
i
<
8
)
{
LOG_D
(
NR_MAC
,
"pdsch_to_harq_feedback[%d] = %d (pucch->ul_slot %d - slot %d)
\n
"
,
i
,
pdsch_to_harq_feedback
[
i
],
pucch
->
ul_slot
,
slot
);
int
diff
=
pucch
->
ul_slot
-
slot
;
if
(
diff
<
0
)
diff
+=
n_slots_frame
;
if
(
pdsch_to_harq_feedback
[
i
]
==
diff
)
{
ind_found
=
i
;
break
;
}
++
i
;
}
++
i
;
if
(
ind_found
!=-
1
)
break
;
}
if
(
ind_found
!=-
1
)
break
;
// advance to the next ul slot
const
int
f
=
pucch
->
frame
;
const
int
s
=
pucch
->
ul_slot
;
...
...
@@ -1396,45 +1488,36 @@ int nr_acknack_scheduling(int mod_id,
pucch
->
dai_c
++
;
pucch
->
resource_indicator
=
0
;
// each UE has dedicated PUCCH resources
pucch
->
r_pucch
=
r_pucch
;
NR_PUCCH_Config_t
*
pucch_Config
=
NULL
;
if
(
sched_ctrl
->
active_ubwp
)
{
pucch_Config
=
sched_ctrl
->
active_ubwp
->
bwp_Dedicated
->
pucch_Config
->
choice
.
setup
;
}
else
if
(
RC
.
nrmac
[
mod_id
]
->
UE_info
.
CellGroup
[
UE_id
]
&&
RC
.
nrmac
[
mod_id
]
->
UE_info
.
CellGroup
[
UE_id
]
->
spCellConfig
&&
RC
.
nrmac
[
mod_id
]
->
UE_info
.
CellGroup
[
UE_id
]
->
spCellConfig
->
spCellConfigDedicated
&&
RC
.
nrmac
[
mod_id
]
->
UE_info
.
CellGroup
[
UE_id
]
->
spCellConfig
->
spCellConfigDedicated
->
uplinkConfig
&&
RC
.
nrmac
[
mod_id
]
->
UE_info
.
CellGroup
[
UE_id
]
->
spCellConfig
->
spCellConfigDedicated
->
uplinkConfig
->
initialUplinkBWP
&&
RC
.
nrmac
[
mod_id
]
->
UE_info
.
CellGroup
[
UE_id
]
->
spCellConfig
->
spCellConfigDedicated
->
uplinkConfig
->
initialUplinkBWP
->
pucch_Config
->
choice
.
setup
)
{
pucch_Config
=
RC
.
nrmac
[
mod_id
]
->
UE_info
.
CellGroup
[
UE_id
]
->
spCellConfig
->
spCellConfigDedicated
->
uplinkConfig
->
initialUplinkBWP
->
pucch_Config
->
choice
.
setup
;
}
NR_BWP_t
*
genericParameters
=
sched_ctrl
->
active_ubwp
?
&
sched_ctrl
->
active_ubwp
->
bwp_Common
->
genericParameters
:
&
scc
->
uplinkConfigCommon
->
initialUplinkBWP
->
genericParameters
;
int
bwp_start
=
NRRIV2PRBOFFSET
(
genericParameters
->
locationAndBandwidth
,
MAX_BWP_SIZE
);
/* verify that at that slot and symbol, resources are free. We only do this
* for initialCyclicShift 0 (we assume it always has that one), so other
* initialCyclicShifts can overlap with ICS 0!*/
if
(
pucch_Config
)
{
int
prb_start
,
second_hop_prb
,
nr_of_symb
,
start_symb
;
if
(
r_pucch
<
0
){
const
NR_PUCCH_Resource_t
*
resource
=
pucch_Config
->
resourceToAddModList
->
list
.
array
[
pucch
->
resource_indicator
];
DevAssert
(
resource
->
format
.
present
==
NR_PUCCH_Resource__format_PR_format0
);
int
second_hop_prb
=
resource
->
secondHopPRB
!=
NULL
?
*
resource
->
secondHopPRB
:
0
;
int
nr_of_symbols
=
resource
->
format
.
choice
.
format0
->
nrofSymbols
;
if
(
resource
->
format
.
choice
.
format0
->
initialCyclicShift
==
0
)
{
uint16_t
*
vrb_map_UL
=
&
RC
.
nrmac
[
mod_id
]
->
common_channels
[
CC_id
].
vrb_map_UL
[
pucch
->
ul_slot
*
MAX_BWP_SIZE
];
for
(
int
l
=
0
;
l
<
nr_of_symbols
;
l
++
)
{
uint16_t
symb
=
1
<<
(
resource
->
format
.
choice
.
format0
->
startingSymbolIndex
+
l
);
int
prb
;
if
(
l
==
1
&&
second_hop_prb
!=
0
)
prb
=
second_hop_prb
;
else
prb
=
resource
->
startingPRB
;
if
((
vrb_map_UL
[
bwp_start
+
prb
]
&
symb
)
!=
0
)
LOG_W
(
MAC
,
"symbol 0x%x is not free for PUCCH alloc in vrb_map_UL at RB %ld and slot %d.%d
\n
"
,
symb
,
resource
->
startingPRB
,
pucch
->
frame
,
pucch
->
ul_slot
);
vrb_map_UL
[
bwp_start
+
prb
]
|=
symb
;
}
}
second_hop_prb
=
resource
->
secondHopPRB
!=
NULL
?
*
resource
->
secondHopPRB
:
0
;
nr_of_symb
=
resource
->
format
.
choice
.
format0
->
nrofSymbols
;
start_symb
=
resource
->
format
.
choice
.
format0
->
startingSymbolIndex
;
prb_start
=
resource
->
startingPRB
;
}
else
{
int
rsetindex
=
*
scc
->
uplinkConfigCommon
->
initialUplinkBWP
->
pucch_ConfigCommon
->
choice
.
setup
->
pucch_ResourceCommon
;
set_r_pucch_parms
(
rsetindex
,
r_pucch
,
bwp_size
,
&
prb_start
,
&
second_hop_prb
,
&
nr_of_symb
,
&
start_symb
);
}
uint16_t
*
vrb_map_UL
=
&
RC
.
nrmac
[
mod_id
]
->
common_channels
[
CC_id
].
vrb_map_UL
[
pucch
->
ul_slot
*
MAX_BWP_SIZE
];
for
(
int
l
=
0
;
l
<
nr_of_symb
;
l
++
)
{
uint16_t
symb
=
SL_to_bitmap
(
start_symb
+
l
,
1
);
int
prb
;
if
(
l
==
1
&&
second_hop_prb
!=
0
)
prb
=
second_hop_prb
;
else
prb
=
prb_start
;
vrb_map_UL
[
bwp_start
+
prb
]
|=
symb
;
}
return
0
;
}
...
...
openair2/LAYER2/NR_MAC_gNB/mac_proto.h
View file @
f2f6850b
...
...
@@ -270,6 +270,14 @@ void prepare_dci(const NR_CellGroupConfig_t *CellGroup,
nr_dci_format_t
format
,
int
bwp_id
);
void
set_r_pucch_parms
(
int
rsetindex
,
int
r_pucch
,
int
bwp_size
,
int
*
prb_start
,
int
*
second_hop_prb
,
int
*
nr_of_symbols
,
int
*
start_symbol_index
);
/* find coreset within the search space */
NR_ControlResourceSet_t
*
get_coreset
(
module_id_t
module_idP
,
NR_ServingCellConfigCommon_t
*
scc
,
...
...
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