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apps: Add a controller loopback throughput test app

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Add a command line utility to open a transport to a BT controller, put
the controller into local loopback mode, and send and receive ACL data
packets. Record the time it takes to send and receive all packets and
calculate a throughput measurement in kB/s.

This utility is usefull for characterizing the speed of a transport to a
BT controller (such as a TCP socket or serial port) without having to
deal with a connected peer or the variability of over the air
transmissions.

The transport CLI argument is required. The packet size and packet
count arguments are optional. They default to the same values as the
bumble-bench app.
This commit is contained in:
Michael Mogenson
2024-01-04 20:32:48 -05:00
parent a286700239
commit d6bbc1145a
2 changed files with 230 additions and 0 deletions
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32
bumble/hci.py
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@@ -1987,6 +1987,17 @@ class OwnAddressType(enum.IntEnum):
return {'size': 1, 'mapper': lambda x: OwnAddressType(x).name}
# -----------------------------------------------------------------------------
class LoopbackMode(enum.IntEnum):
DISABLED = 0
LOCAL = 1
REMOTE = 2
@classmethod
def type_spec(cls):
return {'size': 1, 'mapper': lambda x: LoopbackMode(x).name}
# -----------------------------------------------------------------------------
class HCI_Packet:
'''
@@ -3313,6 +3324,27 @@ class HCI_Read_Encryption_Key_Size_Command(HCI_Command):
'''
# -----------------------------------------------------------------------------
@HCI_Command.command(
return_parameters_fields=[
('status', STATUS_SPEC),
('loopback_mode', LoopbackMode.type_spec()),
],
)
class HCI_Read_Loopback_Mode_Command(HCI_Command):
'''
See Bluetooth spec @ 7.6.1 Read Loopback Mode Command
'''
# -----------------------------------------------------------------------------
@HCI_Command.command([('loopback_mode', 1)])
class HCI_Write_Loopback_Mode_Command(HCI_Command):
'''
See Bluetooth spec @ 7.6.2 Write Loopback Mode Command
'''
# -----------------------------------------------------------------------------
@HCI_Command.command([('le_event_mask', 8)])
class HCI_LE_Set_Event_Mask_Command(HCI_Command):