tests: bsim: Bluetooth: Enable some high reliability CAP tests #80788

cvinayak · 2024-11-03T06:37:16Z

Enable some high reliability CAP tests by increasing ISO Tx buffer counts in the Controller to sufficiently generate number of complete when multiple SDUs are transmitted in single ISO interval with use of pre-transmissions.

cvinayak · 2024-11-04T08:19:45Z

Failure log snippet in CI run that is different from local run:

d_01: @00:00:00.382414  Found broadcaster with ID 0x46653D and addr 19:CA:18:BB:FD:6D (random) and sid 0x00
d_01: @00:00:00.383271  Broadcast source found, stopping scan
d_01: @00:00:00.383271  [00:00:00.383,270] <wrn> net_buf: net_buf_alloc_len: Timeout discarded. No blocking in syswq
d_01: @00:00:00.383271  Scan stopped, attempting to PA sync to the broadcaster with id 0x46653D
d_01: @00:00:00.383271  [00:00:00.383,270] <wrn> net_buf: net_buf_alloc_len: Timeout discarded. No blocking in syswq
d_01: @00:00:00.383271  [00:00:00.383,270] <wrn> net_buf: net_buf_alloc_len: Timeout discarded. No blocking in syswq
d_01: @00:00:00.383271  [00:00:00.383,270] <wrn> net_buf: net_buf_alloc_len: Timeout discarded. No blocking in syswq
d_01: @00:00:00.383271  [00:00:00.383,270] <wrn> net_buf: net_buf_alloc_len: Timeout discarded. No blocking in syswq
d_01: @00:00:00.383271  Broadcast source found, waiting for PA sync
d_00: @00:00:00.931075  Stream 0x84aa9a0 sent 100 SDUs
d_01: @00:00:01.584294  [00:00:01.584,289] <wrn> net_buf: net_buf_alloc_len: Timeout discarded. No blocking in syswq
d_01: @00:00:01.584294  [00:00:01.584,289] <dbg> bt_bap_scan_delegator: pa_synced: Synced
d_01: @00:00:01.584294  [00:00:01.584,289] <dbg> bt_bap_scan_delegator: pa_synced: BASS receive state not found
d_01: @00:00:01.584294  PA sync 0x84dbfa0 synced for broadcast sink with broadcast ID 0x46653D

Local run PA Sync quicker:

d_01: @00:00:00.382414  Found broadcaster with ID 0x46653D and addr 19:CA:18:BB:FD:6D (random) and sid 0x00
d_01: @00:00:00.383271  Broadcast source found, stopping scan
d_01: @00:00:00.383271  [00:00:00.383,270] <wrn> net_buf: net_buf_alloc_len: Timeout discarded. No blocking in syswq
d_01: @00:00:00.383271  Scan stopped, attempting to PA sync to the broadcaster with id 0x46653D
d_01: @00:00:00.383271  [00:00:00.383,270] <wrn> net_buf: net_buf_alloc_len: Timeout discarded. No blocking in syswq
d_01: @00:00:00.383271  [00:00:00.383,270] <wrn> net_buf: net_buf_alloc_len: Timeout discarded. No blocking in syswq
d_01: @00:00:00.383271  [00:00:00.383,270] <wrn> net_buf: net_buf_alloc_len: Timeout discarded. No blocking in syswq
d_01: @00:00:00.383271  [00:00:00.383,270] <wrn> net_buf: net_buf_alloc_len: Timeout discarded. No blocking in syswq
d_01: @00:00:00.383271  Broadcast source found, waiting for PA sync
d_00: @00:00:00.931075  Stream 0x84dd760 sent 100 SDUs
d_01: @00:00:01.434263  [00:00:01.434,234] <wrn> net_buf: net_buf_alloc_len: Timeout discarded. No blocking in syswq
d_01: @00:00:01.434263  [00:00:01.434,234] <dbg> bt_bap_scan_delegator: pa_synced: Synced
d_01: @00:00:01.434263  [00:00:01.434,234] <dbg> bt_bap_scan_delegator: pa_synced: BASS receive state not found
d_01: @00:00:01.434263  PA sync 0x850ed40 synced for broadcast sink with broadcast ID 0x46653D

Thalley · 2024-11-05T14:41:41Z

tests/bsim/bluetooth/audio/test_scripts/cap_broadcast_ac_14.sh

Since these test scripts are already taking a long time to finish given the many test cases in each of them, we should consider either running them in parallel in this script somehow, or split the files.

We could either split them like
AC_14_8 -> Run all 8_x_x tests
AC_14_16 -> Run all 16_x_x tests
AC_14_24 -> Run all 24_x_x tests
etc.

or split them by high and light reliability.

subsys/bluetooth/controller/ll_sw/nordic/lll/lll_sync_iso.c

subsys/bluetooth/controller/ll_sw/ull_sync_iso.c

Thalley · 2024-11-25T09:54:30Z

tests/bsim/bluetooth/audio/overlay-nrf5340_cpunet_iso-bt_ll_sw_split.conf

Suggest to create the GH issue and reference it here rather than having this comment all the places :) Then it's easier to find and cleanup later

Still on my todo list to create a IPC test!...

Just not to loose track created this: #81866

Thalley · 2024-11-25T09:56:42Z

tests/bsim/bluetooth/audio/src/cap_initiator_broadcast_test.c

This refers to the number of SDUs to enqueue - 18 seems excessive (180ms of audio data). Is that intentional?

50 ms ISO interval with PTO=1 (BN=5 + 1) needs to have 12 SDUs buffered at an ISO interval and additional 6 SDUs to ensure subsequent ISO intervals have SDUs ready in the Controller. This is equivalent to how 3 Tx ACL buffers are required to ensure a peripheral ACL sends data every connection interval.

Thalley · 2024-11-25T09:57:47Z

tests/bsim/bluetooth/audio/prj.conf

Yikes :D I assume this is 2 x BROADCAST_ENQUEUE_COUNT?

Yes, 2x due to 2 BISes support (though test only uses 1 BIS) and the build error check in the test needs this 2x.

Fix ISO Sync Receiver implementation to correctly reflect the payload number and timestamp for the skipped SDU. Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>

Fix ISO Sync Receiver time reservation calculation to use peer broadcasted bis_spacing and sub_interval, instead of incorrectly calculating using local implementation used tMSS value. Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>

Fix ISO Sync Receiver implementation to correctly prevent subevent from pre-empted in the unreserve time space. Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>

Align audio test Controller Kconfig value same as used with nRF53bsim. Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>

Enable some high reliability CAP tests by increasing ISO Tx buffer counts in the Controller to sufficiently generate number of complete when multiple SDUs are transmitted in single ISO interval with use of pre-transmissions. Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>

cvinayak mentioned this pull request Nov 3, 2024

Bluetooth: Controller: Fix spurious ISO Sync receiver stall #80775

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cvinayak force-pushed the github_tests_bsim_audio_ctlr_conf_2 branch from 9c535d8 to 913f41d Compare November 3, 2024 11:37

rruuaanng added area: Bluetooth area: Tests Issues related to a particular existing or missing test labels Nov 3, 2024

cvinayak force-pushed the github_tests_bsim_audio_ctlr_conf_2 branch 2 times, most recently from 0e48d6e to d05a193 Compare November 4, 2024 05:04

cvinayak marked this pull request as ready for review November 4, 2024 05:07

zephyrbot added area: Bluetooth Controller area: Bluetooth Audio platform: nRF BSIM Nordic Semiconductors, nRF BabbleSim labels Nov 4, 2024

zephyrbot requested review from Casper-Bonde-Bose, MariuszSkamra, Thalley, asbjornsabo, carlescufi, fredrikdanebjer, jhedberg, jthm-ot, kruithofa, larsgk, mtpr-ot, niym-ot, pin-zephyr, sjanc and thoh-ot November 4, 2024 05:08

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cvinayak force-pushed the github_tests_bsim_audio_ctlr_conf_2 branch from d05a193 to 58705a3 Compare November 4, 2024 08:18

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Thalley reviewed Nov 5, 2024

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cvinayak mentioned this pull request Nov 5, 2024

Bluetooth: Controller: Fix spurious ISO Sync receiver stall #80894

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cvinayak force-pushed the github_tests_bsim_audio_ctlr_conf_2 branch from 4950663 to 211084d Compare November 11, 2024 09:25

zephyrbot added area: Samples Samples area: Bluetooth HCI Bluetooth HCI Driver labels Nov 11, 2024

cvinayak force-pushed the github_tests_bsim_audio_ctlr_conf_2 branch from 211084d to 5522ef0 Compare November 14, 2024 07:26

cvinayak marked this pull request as draft November 14, 2024 15:06

cvinayak force-pushed the github_tests_bsim_audio_ctlr_conf_2 branch from 5522ef0 to 58ddb33 Compare November 15, 2024 12:48

valeriosetti mentioned this pull request Nov 18, 2024

TinyCrypt deprecation - library's usage removal part 2 (bluetooth) #79931

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cvinayak force-pushed the github_tests_bsim_audio_ctlr_conf_2 branch 3 times, most recently from 2f1a9f0 to 8498046 Compare November 23, 2024 05:12

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cvinayak force-pushed the github_tests_bsim_audio_ctlr_conf_2 branch from 8498046 to 51b5ac5 Compare November 23, 2024 06:13

Thalley reviewed Nov 25, 2024

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cvinayak added 5 commits November 25, 2024 13:13

Bluetooth: Controller: Fix ISO Sync Receiver skipped ISO SDU

897ab41

Fix ISO Sync Receiver implementation to correctly reflect the payload number and timestamp for the skipped SDU. Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>

Bluetooth: Controller: Fix ISO Sync Receiver is_abort_cb

736bf5b

Fix ISO Sync Receiver implementation to correctly prevent subevent from pre-empted in the unreserve time space. Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>

tests: bsim: Bluetooth: Align audio test Controller Kconfig

26ca2ca

Align audio test Controller Kconfig value same as used with nRF53bsim. Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>

cvinayak force-pushed the github_tests_bsim_audio_ctlr_conf_2 branch from 51b5ac5 to 366f050 Compare November 25, 2024 12:37

cvinayak requested a review from Thalley November 26, 2024 10:06

cvinayak mentioned this pull request Nov 26, 2024

Bluetooth: ISO: Fragmented data test #81871

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Thalley approved these changes Nov 26, 2024

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kruithofa removed their request for review November 27, 2024 07:01

kartben merged commit 31f37a5 into zephyrproject-rtos:main Nov 27, 2024
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Thalley mentioned this pull request Nov 28, 2024

tests: Bluetooth: CAP: Acceptor bsim test use ext_adv #80840

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