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(unknown [100.64.1.5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: fdanis) by bali.collaboradmins.com (Postfix) with ESMTPSA id A1FC317E0FAA for ; Fri, 04 Sep 2026 15:51:30 +0200 (CEST) From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Danis?= To: linux-bluetooth@vger.kernel.org Subject: [PATCH BlueZ 5/8] client/btpclient: Add BTP_OP_BAP_SEND support Date: Fri, 4 Sep 2026 15:51:21 +0200 Message-ID: <20260904135124.981346-6-frederic.danis@collabora.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260904135124.981346-1-frederic.danis@collabora.com> References: <20260904135124.981346-1-frederic.danis@collabora.com> Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit --- client/btpclient/bap.c | 41 +++++++++++++++++++++++++++++++++++++++++ src/shared/btp.h | 13 +++++++++++++ 2 files changed, 54 insertions(+) diff --git a/client/btpclient/bap.c b/client/btpclient/bap.c index d30d931f1..f7bee9831 100644 --- a/client/btpclient/bap.c +++ b/client/btpclient/bap.c @@ -31,6 +31,7 @@ static void btp_bap_read_commands(uint8_t index, const void *param, const uint8_t supported_commands[] = { BTP_OP_BAP_READ_SUPPORTED_COMMANDS, BTP_OP_BAP_DISCOVER, + BTP_OP_BAP_SEND, }; uint8_t *commands = NULL; size_t commands_len = 0; @@ -104,6 +105,43 @@ failed: btp_send_error(btp, BTP_BAP_SERVICE, index, status); } +static void btp_bap_send(uint8_t index, const void *param, uint16_t length, + void *user_data) +{ + const struct btp_bap_send_cp *cp = param; + struct btp_adapter *adapter = find_adapter_by_index(index); + uint8_t status = BTP_ERROR_FAIL; + struct btp_device *dev; + struct btp_ase *ase; + ssize_t bytes_written; + struct btp_bap_send_rp rp; + + if (!adapter) { + status = BTP_ERROR_INVALID_INDEX; + goto failed; + } + + dev = find_device_by_address(adapter, &cp->address, cp->address_type); + ase = find_ase_by_dir(dev, BTP_BAP_DIR_SINK); + if (!ase || !ase->io) + goto failed; + + bytes_written = write(l_io_get_fd(ase->io), cp->data, + cp->data_len <= ase->tx_mtu ? cp->data_len : ase->tx_mtu); + if (bytes_written < 0) { + l_error("Failed to write (%d)", errno); + goto failed; + } + rp.data_len = bytes_written; + + btp_send(btp, BTP_BAP_SERVICE, BTP_OP_BAP_SEND, index, sizeof(rp), &rp); + + return; + +failed: + btp_send_error(btp, BTP_BAP_SERVICE, index, status); +} + static void bap_charac_read_setup(struct l_dbus_message *message, void *user_data) { @@ -304,6 +342,9 @@ bool bap_register_service(struct btp *btp_, struct l_dbus *dbus_, btp_register(btp, BTP_BAP_SERVICE, BTP_OP_BAP_DISCOVER, btp_bap_discover, NULL, NULL); + btp_register(btp, BTP_BAP_SERVICE, BTP_OP_BAP_SEND, + btp_bap_send, NULL, NULL); + bap_service_registered = true; return true; diff --git a/src/shared/btp.h b/src/shared/btp.h index 8ad57f48f..fe93158aa 100644 --- a/src/shared/btp.h +++ b/src/shared/btp.h @@ -481,6 +481,19 @@ struct btp_bap_discover_cp { bdaddr_t address; } __packed; +#define BTP_OP_BAP_SEND 0x03 +struct btp_bap_send_cp { + uint8_t address_type; + bdaddr_t address; + uint8_t ase_id; + uint8_t data_len; + uint8_t data[]; +} __packed; + +struct btp_bap_send_rp { + uint8_t data_len; +} __packed; + #define BTP_EV_BAP_DISCOVERY_COMPLETED 0x80 struct btp_bap_discovery_completed_ev { uint8_t address_type; -- 2.43.0