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Sun, 12 Jul 2026 05:18:01 -0700 (PDT) X-Received: by 2002:a05:6a21:3a85:b0:3bf:99fb:db96 with SMTP id adf61e73a8af0-3c110be06e4mr5437398637.49.1783858681275; Sun, 12 Jul 2026 05:18:01 -0700 (PDT) Received: from hu-nakella-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-13b924258a2sm29061040c88.1.2026.07.12.05.17.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 12 Jul 2026 05:18:00 -0700 (PDT) From: Naga Bhavani Akella To: linux-bluetooth@vger.kernel.org Cc: luiz.dentz@gmail.com, quic_mohamull@quicinc.com, quic_hbandi@quicinc.com, quic_anubhavg@quicinc.com, Naga Bhavani Akella Subject: [PATCH BlueZ v3 1/4] rap: Add Channel Sounding parameter types and APIs Date: Sun, 12 Jul 2026 17:47:40 +0530 Message-Id: <20260712121743.2842547-2-naga.akella@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260712121743.2842547-1-naga.akella@oss.qualcomm.com> References: <20260712121743.2842547-1-naga.akella@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: ivdL9pyw1N-Th40hlI_Qx0HpYETV786r X-Authority-Analysis: v=2.4 cv=SajHsPRu c=1 sm=1 tr=0 ts=6a5385fb cx=c_pps a=m5Vt/hrsBiPMCU0y4gIsQw==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=GhXf9q-71yA2H53oXBwA:9 a=IoOABgeZipijB_acs4fv:22 X-Proofpoint-ORIG-GUID: ivdL9pyw1N-Th40hlI_Qx0HpYETV786r X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzEyMDEyOSBTYWx0ZWRfXxx/wQiPQfKPM K4Kt9wO13uAsb9BvbinX0JbchKU3Y/YLx9vsOsYVzaVrDsqHYZ8HiDGCe+uPAQPDnZYRymKUh83 LtUcR2K2o6C6IJUCtTGRo3Zx8Znf0HrBeGSQcTIj0+Ocq8w0CYEOH1wc2ZysaVSBf89QSuP36ZA F6RfbS9J3qyeYloPTQI2O47YlfYlhgdVhOuHGiQRPrOo0mS5dmqoIbKUhZybVpRc6jYSnznql4e 2QDeK5UpaHfkRYpulrLwEZ/Sln5MlDtXmFJD9pI8f1BG0RJcJyFzAts3NyustuUsSj1f9jgPqjw /H0mhoiRhaSCUG2EcLwBhJbHHnBJ8BzbTjvvj1fdz2HomQOxPDGVrHyymEb/GvrC2I3IZgJzbf2 FhBeGev1o2mECiwlC01MEHJU0hwRKjzgD/HUfAs7u0hILKlR46Jcb9MPgKTy3HftlNlv/tAlcfB YVhlQWTXKFPVTxRuKig== X-Proofpoint-Spam-Info: AW1haW4tMjYwNzEyMDEyOSBTYWx0ZWRfXwpYCMhVuGN8Y CoLWaQQghagwf0SaHH0ZA3shkvFIh5thUHIGasRqnanOWO4c8G66k4iHOtNYvlho05gkdlwHPKV h/sRpO1j24fBJtrvYZboKuMyYlqGTf0= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-12_04,2026-07-10_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 priorityscore=1501 bulkscore=0 phishscore=0 clxscore=1015 suspectscore=0 malwarescore=0 impostorscore=0 lowpriorityscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607120129 Add shared Channel Sounding parameter structures (bt_rap_le_cs_config, bt_rap_le_cs_frequency and bt_rap_le_cs_default_settings) for exchanging CS configuration, frequency, and default settings between the RAP DBus layer and HCI state machine. Add getter/setter APIs for CS config, frequency and default settings, add measurement. --- Makefile.am | 2 +- src/shared/cs-types.h | 50 +++++++++++++++++++++++++++++++++++++++++++ src/shared/rap.h | 27 ++++++++++++++++++++++- 3 files changed, 77 insertions(+), 2 deletions(-) create mode 100644 src/shared/cs-types.h diff --git a/Makefile.am b/Makefile.am index 76c4ab5d4..a7b063c6e 100644 --- a/Makefile.am +++ b/Makefile.am @@ -249,7 +249,7 @@ shared_sources = src/shared/io.h src/shared/timeout.h \ src/shared/asha.h src/shared/asha.c \ src/shared/battery.h src/shared/battery.c \ src/shared/uinput.h src/shared/uinput.c \ - src/shared/rap.h src/shared/rap.c + src/shared/rap.h src/shared/rap.c src/shared/cs-types.h if READLINE diff --git a/src/shared/cs-types.h b/src/shared/cs-types.h new file mode 100644 index 000000000..0d53d4ab8 --- /dev/null +++ b/src/shared/cs-types.h @@ -0,0 +1,50 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +/* + * BlueZ - Bluetooth protocol stack for Linux + * + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries. + */ + +#pragma once + +#include + +struct bt_rap_le_cs_config { + uint8_t config_id; + uint8_t main_mode_type; + uint8_t sub_mode_type; + uint8_t main_mode_min_steps; + uint8_t main_mode_max_steps; + uint8_t main_mode_repetition; + uint8_t mode0_steps; + uint8_t role; + uint8_t rtt_types; + uint8_t cs_sync_phy; + uint8_t channel_map[10]; + uint8_t channel_map_repetition; + uint8_t channel_selection_type; + uint8_t channel_shape; + uint8_t channel_jump; + uint8_t companion_signal_enable; +}; + +struct bt_rap_le_cs_frequency { + uint16_t max_procedure_duration; + uint16_t min_period_between_procedures; + uint16_t max_period_between_procedures; + uint16_t max_procedure_count; + uint8_t min_sub_event_len[3]; + uint8_t max_sub_event_len[3]; + uint8_t tone_antenna_config_selection; + uint8_t phy; + uint8_t tx_power_delta; + uint8_t preferred_peer_antenna; + uint8_t snr_control_initiator; + uint8_t snr_control_reflector; +}; + +struct bt_rap_le_cs_default_settings { + uint8_t role; + uint8_t cs_sync_ant_sel; + int8_t max_tx_power; +}; diff --git a/src/shared/rap.h b/src/shared/rap.h index 7bc49f03d..5582635e6 100644 --- a/src/shared/rap.h +++ b/src/shared/rap.h @@ -9,8 +9,8 @@ #include #include "src/shared/io.h" -#include "bluetooth/mgmt.h" #include "src/shared/hci.h" +#include "src/shared/cs-types.h" struct bt_rap; struct gatt_db; @@ -189,6 +189,23 @@ bool bt_rap_unregister(unsigned int id); struct bt_rap *bt_rap_new(struct gatt_db *ldb, struct gatt_db *rdb); +bool bt_rap_set_cs_config_params(void *hci_sm, + const struct bt_rap_le_cs_config *config); +bool bt_rap_set_cs_freq_params(void *hci_sm, + const struct bt_rap_le_cs_frequency *frequency); +bool bt_rap_set_default_settings_params(void *hci_sm, + const struct bt_rap_le_cs_default_settings *s); +bool bt_rap_get_cs_config_params(void *hci_sm, + struct bt_rap_le_cs_config *config); +bool bt_rap_get_cs_freq_params(void *hci_sm, + struct bt_rap_le_cs_frequency *frequency); +bool bt_rap_get_default_settings_params(void *hci_sm, + struct bt_rap_le_cs_default_settings *s); +/* Distance measurement control */ +bool bt_rap_start_measurement(void *hci_sm, uint16_t conn_handle, + uint32_t duration_secs); +bool bt_rap_stop_measurement(void *hci_sm); + /* HCI Raw Channel Approach */ void bt_rap_hci_cs_config_complete_callback(uint16_t length, const void *param, @@ -220,3 +237,11 @@ bool bt_rap_set_conn_hndl(void *hci_sm, bool is_central); void bt_rap_clear_conn_handle(void *hci_sm, uint16_t handle); + +bool bt_rap_is_procedure_active(void *hci_sm); + +void bt_rap_set_timeout_cb(void *hci_sm, void (*func)(void *), + void *user_data); + +void bt_rap_set_proc_active_cb(void *hci_sm, void (*func)(bool, void *), + void *user_data); --