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Fri, 10 Jul 2026 02:49:30 -0700 (PDT) X-Received: by 2002:a05:6a20:6f8d:b0:3b2:a809:1000 with SMTP id adf61e73a8af0-3c0bcf48f6emr12892264637.3.1783676969867; Fri, 10 Jul 2026 02:49:29 -0700 (PDT) Received: from hu-nakella-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-313b3206aaasm4106526eec.13.2026.07.10.02.49.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 10 Jul 2026 02:49:29 -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 v2 1/4] rap: Add Channel Sounding parameter types and APIs Date: Fri, 10 Jul 2026 15:19:16 +0530 Message-Id: <20260710094919.4047204-2-naga.akella@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260710094919.4047204-1-naga.akella@oss.qualcomm.com> References: <20260710094919.4047204-1-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-Spam-Info: AW1haW4tMjYwNzEwMDA5NiBTYWx0ZWRfX83XuDxYpfqu1 psuqI/QYte3MZT/ZTM8+nJ3bBOpIZ38owJz3bLLs1LOlPCip8vE+wKNmKjyiMAoAMDoq9jOaeQS MZM2v/KUi29IZieNKRmVf7ZRD7lsZR8= X-Authority-Analysis: v=2.4 cv=DYgnbPtW c=1 sm=1 tr=0 ts=6a50c02b cx=c_pps a=oF/VQ+ItUULfLr/lQ2/icg==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=GhXf9q-71yA2H53oXBwA:9 a=3WC7DwWrALyhR5TkjVHa:22 X-Proofpoint-ORIG-GUID: pMTXTCiuMDhAbxrEWlDcY6v74vHP_hjP X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzEwMDA5NiBTYWx0ZWRfX2c91UOiOqRVA e3fw3rb1ApJVP02Nk/3PD2phqKWbunVOAJT0FyORM21d7NsujqS4029GCQe2DhqP3UBKZy+t2u1 3Tn2tqdKMUZxryPXMCcb+CZQx7mO3ZO7b8PeoE6wW14AbU4zPxKXlvoRJ35yxGW276fzhvXmEUd jFFi4dSfeI726dYhxCMH1z9G4/pswmIRfHU8CE0R326XUMDZxb2/YXNE7epHzgteSMt5NX6tllk 13dytZW7mSwdbKiCSN9k6K00iltamZIBMJaeyHI1FojFv39hXbDUArPB+gYFOCQ3bi3d+vg6Flv FlFoyI23+UL716Kre+IWkFC8Ec+U6oK9mi3iL7W9OJwOMvkb578ra8ZPvFoP2Hl+JpUdRIqmPrW CHqQRTksLXIXN/uCGapY3XTxZbSwLVJrI3JBUehDOrUoZ/lvhLialbSywwMLacn5dRmS616prMo C5ZXH2T0RkcVfusQm4A== X-Proofpoint-GUID: pMTXTCiuMDhAbxrEWlDcY6v74vHP_hjP 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=2026-07-10_02,2026-07-09_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 lowpriorityscore=0 adultscore=0 suspectscore=0 bulkscore=0 clxscore=1015 phishscore=0 malwarescore=0 spamscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607100096 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); --