From patchwork Mon Nov 21 23:46:22 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sathish Narasimman X-Patchwork-Id: 627347 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 108C1C4332F for ; Mon, 21 Nov 2022 23:47:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231969AbiKUXqv (ORCPT ); Mon, 21 Nov 2022 18:46:51 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48322 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231947AbiKUXqU (ORCPT ); Mon, 21 Nov 2022 18:46:20 -0500 Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 14303CB978 for ; Mon, 21 Nov 2022 15:44:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1669074286; x=1700610286; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=VauXNm2Sz7lxFMas+Ok2oVuVoItYXUxXvFr3woD7rqA=; b=G2TfAMIT7cYAw6zRE/xG7xinnq8UVaRGm+4AwE1ReP2PPI92z9Fhglrs nFWPqhAUuS26B8ztFsF2DpH7tUsVsEXXAuxzMmgYuwRngCgKSySUYzpQj oE9db6DjivjuK03CydZ5DxxnPm/SYYgS2PShDcvuGe8IN4E5XkNcMhI28 N6RIUbfzj8stgAuYT7J+vWavDSSMOoKQj8Bn2PL1yJctYA+kB1wepjZEI QLSG+IaLOfsjgRSJQk/xaB9SFV4xygdWS6krFXftEilQBj9WxbEuxgaXM qMiCC8VoVSB7SapVzZDK/hjefjClQpJO56qkZ1Xa9a2sCDBUXbkqwsZ2H g==; X-IronPort-AV: E=McAfee;i="6500,9779,10538"; a="377946606" X-IronPort-AV: E=Sophos;i="5.96,182,1665471600"; d="scan'208";a="377946606" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Nov 2022 15:44:45 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10538"; a="783633460" X-IronPort-AV: E=Sophos;i="5.96,182,1665471600"; d="scan'208";a="783633460" Received: from intel-latitude-e5450.iind.intel.com ([10.224.186.32]) by fmsmga001.fm.intel.com with ESMTP; 21 Nov 2022 15:44:44 -0800 From: Sathish Narasimman To: linux-bluetooth@vger.kernel.org Cc: Sathish Narasimman Subject: [PATCH BlueZ 4/6] profiles: Add initial code for csip plugin Date: Tue, 22 Nov 2022 05:16:22 +0530 Message-Id: <20221121234624.2961-5-sathish.narasimman@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221121234624.2961-1-sathish.narasimman@intel.com> References: <20221121234624.2961-1-sathish.narasimman@intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org This adds initial code for csip plugin which handles Coordinated set identification Profile and Coordinated Set Identification Service. --- Makefile.plugins | 5 + configure.ac | 4 + profiles/audio/csip.c | 319 ++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 328 insertions(+) create mode 100644 profiles/audio/csip.c diff --git a/Makefile.plugins b/Makefile.plugins index 20cac384ef44..0f119e8714b7 100644 --- a/Makefile.plugins +++ b/Makefile.plugins @@ -131,3 +131,8 @@ if VCP builtin_modules += vcp builtin_sources += profiles/audio/vcp.c endif + +if CSIP +builtin_modules += csip +builtin_sources += profiles/audio/csip.c +endif diff --git a/configure.ac b/configure.ac index f9f0faf573ca..17c5f904a5c2 100644 --- a/configure.ac +++ b/configure.ac @@ -207,6 +207,10 @@ AC_ARG_ENABLE(vcp, AS_HELP_STRING([--disable-vcp], [disable VCP profile]), [enable_vcp=${enableval}]) AM_CONDITIONAL(VCP, test "${enable_vcp}" != "no") +AC_ARG_ENABLE(csip, AS_HELP_STRING([--disable-csip], + [disable CSIP profile]), [enable_csip=${enableval}]) +AM_CONDITIONAL(CSIP, test "${enable_csip}" != "no") + AC_ARG_ENABLE(tools, AS_HELP_STRING([--disable-tools], [disable Bluetooth tools]), [enable_tools=${enableval}]) AM_CONDITIONAL(TOOLS, test "${enable_tools}" != "no") diff --git a/profiles/audio/csip.c b/profiles/audio/csip.c new file mode 100644 index 000000000000..7b50d5cec88e --- /dev/null +++ b/profiles/audio/csip.c @@ -0,0 +1,319 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * + * BlueZ - Bluetooth protocol stack for Linux + * + * Copyright (C) 2022 Intel Corporation. All rights reserved. + * + * + */ + +#ifdef HAVE_CONFIG_H +#include +#endif + +#define _GNU_SOURCE + +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#include "gdbus/gdbus.h" + +#include "lib/bluetooth.h" +#include "lib/hci.h" +#include "lib/sdp.h" +#include "lib/uuid.h" + +#include "src/dbus-common.h" +#include "src/shared/util.h" +#include "src/shared/att.h" +#include "src/shared/queue.h" +#include "src/shared/gatt-db.h" +#include "src/shared/gatt-client.h" +#include "src/shared/gatt-server.h" +#include "src/shared/csip.h" + +#include "btio/btio.h" +#include "src/plugin.h" +#include "src/adapter.h" +#include "src/gatt-database.h" +#include "src/device.h" +#include "src/profile.h" +#include "src/service.h" +#include "src/log.h" +#include "src/error.h" + +#define CSIS_UUID_STR "00001846-0000-1000-8000-00805f9b34fb" + +struct csip_data { + struct btd_device *device; + struct btd_service *service; + struct bt_csip *csip; +}; + +static struct queue *sessions; + +static void csip_debug(const char *str, void *user_data) +{ + DBG_IDX(0xffff, "%s", str); +} + +static struct csip_data *csip_data_new(struct btd_device *device) +{ + struct csip_data *data; + + data = new0(struct csip_data, 1); + data->device = device; + + return data; +} + +static void csip_data_add(struct csip_data *data) +{ + DBG("data %p", data); + + if (queue_find(sessions, NULL, data)) { + error("data %p already added", data); + return; + } + + bt_csip_set_debug(data->csip, csip_debug, NULL, NULL); + + if (!sessions) + sessions = queue_new(); + + queue_push_tail(sessions, data); + + if (data->service) + btd_service_set_user_data(data->service, data); +} + +static int csip_disconnect(struct btd_service *service) +{ + DBG(""); + return 0; +} + +static bool match_data(const void *data, const void *match_data) +{ + const struct csip_data *vdata = data; + const struct bt_csip *csip = match_data; + + return vdata->csip == csip; +} + +static void csip_data_free(struct csip_data *data) +{ + if (data->service) { + btd_service_set_user_data(data->service, NULL); + bt_csip_set_user_data(data->csip, NULL); + } + + bt_csip_unref(data->csip); + free(data); +} + + +static void csip_data_remove(struct csip_data *data) +{ + DBG("data %p", data); + + if (!queue_remove(sessions, data)) + return; + + csip_data_free(data); + + if (queue_isempty(sessions)) { + queue_destroy(sessions, NULL); + sessions = NULL; + } +} + +static void csip_detached(struct bt_csip *csip, void *user_data) +{ + struct csip_data *data; + + DBG("%p", csip); + + data = queue_find(sessions, match_data, csip); + if (!data) { + error("Unable to find csip session"); + return; + } + + csip_data_remove(data); +} + +static void csip_attached(struct bt_csip *csip, void *user_data) +{ + struct csip_data *data; + struct bt_att *att; + struct btd_device *device; + + DBG("%p", csip); + + data = queue_find(sessions, match_data, csip); + if (data) + return; + + att = bt_csip_get_att(csip); + if (!att) + return; + + device = btd_adapter_find_device_by_fd(bt_att_get_fd(att)); + if (!device) { + error("Unable to find device"); + return; + } + + data = csip_data_new(device); + data->csip = csip; + + csip_data_add(data); + +} + +static int csip_server_probe(struct btd_profile *p, + struct btd_adapter *adapter) +{ + struct btd_gatt_database *database = btd_adapter_get_database(adapter); + + DBG("CSIP path %s", adapter_get_path(adapter)); + + bt_csip_add_db(btd_gatt_database_get_db(database)); + + return 0; +} + +static void csip_server_remove(struct btd_profile *p, + struct btd_adapter *adapter) +{ + DBG("CSIP remove Adapter"); +} + +static int csip_accept(struct btd_service *service) +{ + struct btd_device *device = btd_service_get_device(service); + struct bt_gatt_client *client = btd_device_get_gatt_client(device); + struct csip_data *data = btd_service_get_user_data(service); + char addr[18]; + + ba2str(device_get_address(device), addr); + DBG("%s", addr); + + if (!data) { + error("CSIP service not handled by profile"); + return -EINVAL; + } + + if (!bt_csip_attach(data->csip, client)) { + error("CSIP unable to attach"); + return -EINVAL; + } + + btd_service_connecting_complete(service, 0); + + return 0; +} + +static int csip_probe(struct btd_service *service) +{ + struct btd_device *device = btd_service_get_device(service); + struct btd_adapter *adapter = device_get_adapter(device); + struct btd_gatt_database *database = btd_adapter_get_database(adapter); + struct csip_data *data = btd_service_get_user_data(service); + char addr[18]; + + ba2str(device_get_address(device), addr); + DBG("%s", addr); + + /* Ignore, if we were probed for this device already */ + if (data) { + error("Profile probed twice for the same device!"); + return -EINVAL; + } + + data = csip_data_new(device); + data->service = service; + + data->csip = bt_csip_new(btd_gatt_database_get_db(database), + btd_device_get_gatt_db(device)); + if (!data->csip) { + error("Unable to create CSIP instance"); + free(data); + return -EINVAL; + } + + csip_data_add(data); + + bt_csip_set_user_data(data->csip, service); + + return 0; +} + +static void csip_remove(struct btd_service *service) +{ + struct btd_device *device = btd_service_get_device(service); + struct csip_data *data; + char addr[18]; + + ba2str(device_get_address(device), addr); + DBG("%s", addr); + + data = btd_service_get_user_data(service); + if (!data) { + error("CSIP service not handled by profile"); + return; + } + + csip_data_remove(data); +} + +static struct btd_profile csip_profile = { + .name = "csip", + .priority = BTD_PROFILE_PRIORITY_MEDIUM, + .remote_uuid = CSIS_UUID_STR, + + .device_probe = csip_probe, + .device_remove = csip_remove, + + .accept = csip_accept, + .disconnect = csip_disconnect, + + .adapter_probe = csip_server_probe, + .adapter_remove = csip_server_remove, +}; + +static unsigned int csip_id = 0; + +static int csip_init(void) +{ + if (!(g_dbus_get_flags() & G_DBUS_FLAG_ENABLE_EXPERIMENTAL)) { + warn("D-Bus experimental not enabled"); + return -ENOTSUP; + } + + btd_profile_register(&csip_profile); + csip_id = bt_csip_register(csip_attached, csip_detached, NULL); + + return 0; +} + +static void csip_exit(void) +{ + if (g_dbus_get_flags() & G_DBUS_FLAG_ENABLE_EXPERIMENTAL) { + btd_profile_unregister(&csip_profile); + bt_csip_unregister(csip_id); + } +} + +BLUETOOTH_PLUGIN_DEFINE(csip, VERSION, BLUETOOTH_PLUGIN_PRIORITY_DEFAULT, + csip_init, csip_exit)