From patchwork Mon Feb 19 12:15:06 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrei Istodorescu X-Patchwork-Id: 13562592 Received: from EUR05-DB8-obe.outbound.protection.outlook.com (mail-db8eur05on2060.outbound.protection.outlook.com [40.107.20.60]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5BA072D04B for ; Mon, 19 Feb 2024 12:15:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.20.60 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708344921; cv=fail; b=ajPPvoijrWOTHrV8P/Ljz+bg47FV8+8Ncc0QtA3LeP3IkGhvhB3MvMGVX9qUPtKa8HOSwe0Hxa96a6/H2AsywbwCSGcLfg5VHexKhYRkJxl5TJ+qZs8MHlqi+8AmOQbUJAEsGOVIzC77KW2lHiENtyEqXO3UKbjzZUU2fHn8G4c= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708344921; c=relaxed/simple; bh=UcSKOeRUVuNBQYV/M3sgW3TBRLQFbsqeUJnPPqzwFNM=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: Content-Type:MIME-Version; b=IAQplB0FW3WKP5nsLfXKqZ06jvar32+4SlfjPPwlDxF3eqChnYRNCYB4Fzi3LUt6svQsZVnokLnB0lE//tNrhoeyoS2Mmoq0YJ5qqFxEMPxovn8dsM92xYhlhuxdjNNxpyj3w5Gm4q1vGmakVeW0KJGxctYeh29zMOvay2S0j5U= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=nxp.com; spf=pass smtp.mailfrom=nxp.com; dkim=pass (1024-bit key) header.d=nxp.com header.i=@nxp.com header.b=O5PEULnB; arc=fail smtp.client-ip=40.107.20.60 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=nxp.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=nxp.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=nxp.com header.i=@nxp.com header.b="O5PEULnB" ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=UwAX7r72T1de2FMt5BVGC0j61TUyDYupv3v+1KA8MuIiITaQrLav91vKrjyX1Y51EERJtpjb7KXct+xqDgLvTBmhU+4p504BTOdOKlHECUVJGIE0Fyji78UaoiFVepoiJ+ZUQMxwXzAc/EZCjzgUPoPqUIo8UOe7CSylmVMrb8bD+QN8P3Oz3Uen+pXZPUuyb65oyXAC2DIcC8R6VPODzgjHnTVAgIKeEtXUIsQaH2cEdemaItV7pocZ2p0/y/ySgtA4sRqW8IgH1v2KFPfQNa9PkQ8MVd87lYDRAKuo0vY3S9S79XGIwo7Qw0qObt1EgufH0WSdx/kVuN73TAjgCg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=Eu/Y57aVkzLZAvngIF8NaTXxbDGglPoTNZIrv0D9lwk=; b=RJTYAnmIl1tkt4cYDw3rHOHihp2fQYJbUPkXTzASlQmRcroVXGW6PpRUeVUhXQqod7/ApTeuuo219w9o5foKzCkjEu5WmpZNr/CBwEQSJHQKtoSXmRoqK+7tnlrWJF78uVugY0DFIe67ftqOxAjT5zCo5gxAF5F6nLNewW7gYK7BPyho4iQ6tx2A+WnHJZVt7WPxDWVvkDwRj9aRg2DVbi9u9U9fdGL80yACyQgnjmHF/Wd4u9gANiXp6feJ+Se9Om22SgtEG+yNmvpzytvjKU//xjAzkPYl8x4MDtkwkTUOUz195icDQCB2fX+95kcDJeYyfN2HP1KTW0LpsqXV8g== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nxp.com; dmarc=pass action=none header.from=nxp.com; dkim=pass header.d=nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=Eu/Y57aVkzLZAvngIF8NaTXxbDGglPoTNZIrv0D9lwk=; b=O5PEULnB+RRDmp8yZEnMxPCeLsjV9ULJSPmLdpRs+wDfod1pJi92yhlIi2HWhTsNCoX5cHRDDhcFtSXp9TvzN9Z7E8nHLQ5OPlgRGPuDug8zOOwTdC5dEVVaDn0boyuCFUTTRUG+t1gmNvYyNDfhZP3hD05UEdt/urVld4TahiA= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nxp.com; Received: from AM9PR04MB8938.eurprd04.prod.outlook.com (2603:10a6:20b:409::20) by AS8PR04MB9141.eurprd04.prod.outlook.com (2603:10a6:20b:448::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7292.37; Mon, 19 Feb 2024 12:15:15 +0000 Received: from AM9PR04MB8938.eurprd04.prod.outlook.com ([fe80::bbd0:4409:3f0e:afdd]) by AM9PR04MB8938.eurprd04.prod.outlook.com ([fe80::bbd0:4409:3f0e:afdd%4]) with mapi id 15.20.7292.029; Mon, 19 Feb 2024 12:15:15 +0000 From: Andrei Istodorescu To: linux-bluetooth@vger.kernel.org Cc: luiz.dentz@gmail.com, mihai-octavian.urzica@nxp.com, silviu.barbulescu@nxp.com, vlad.pruteanu@nxp.com, iulia.tanasescu@nxp.com, Andrei Istodorescu Subject: [PATCH BlueZ v3 1/4] shared/bap: Add API to convert BASE into bt_bap_base queue Date: Mon, 19 Feb 2024 14:15:06 +0200 Message-Id: <20240219121509.5702-2-andrei.istodorescu@nxp.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20240219121509.5702-1-andrei.istodorescu@nxp.com> References: <20240219121509.5702-1-andrei.istodorescu@nxp.com> X-ClientProxiedBy: AS4PR09CA0006.eurprd09.prod.outlook.com (2603:10a6:20b:5e0::16) To AM9PR04MB8938.eurprd04.prod.outlook.com (2603:10a6:20b:409::20) Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AM9PR04MB8938:EE_|AS8PR04MB9141:EE_ X-MS-Office365-Filtering-Correlation-Id: 827f75db-6c67-44b5-1c3a-08dc31446e3c X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:AM9PR04MB8938.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230031);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 827f75db-6c67-44b5-1c3a-08dc31446e3c X-MS-Exchange-CrossTenant-AuthSource: AM9PR04MB8938.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 Feb 2024 12:15:15.8035 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: uspm6QW1sXCAgRnCPb6K1Ccux3LgMNqBPVaTlb/CQ8E8ghxSmr02CAGqZqEcR1E5SLOSe3GQtM1eVjO/UHF5uOP7lDCwOe0eASZQBfzn8Ek= X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS8PR04MB9141 Create public function to read the BASE bytes and populate a bt_bap_base structure for further processing. --- src/shared/bap.c | 250 ++++++++++++++++++++++++++++++++++++++++------- src/shared/bap.h | 27 +++++ 2 files changed, 244 insertions(+), 33 deletions(-) diff --git a/src/shared/bap.c b/src/shared/bap.c index 4cc81844f1be..f688e1ad53fb 100644 --- a/src/shared/bap.c +++ b/src/shared/bap.c @@ -282,26 +282,6 @@ struct bt_pacs_context { uint16_t src; } __packed; -struct bt_base { - uint8_t big_id; - uint32_t pres_delay; - uint8_t next_bis_index; - struct queue *subgroups; -}; - -struct bt_subgroup { - uint8_t index; - struct bt_bap_codec codec; - struct iovec *caps; - struct iovec *meta; - struct queue *bises; -}; - -struct bt_bis { - uint8_t index; - struct iovec *caps; -}; - /* Contains local bt_bap_db */ static struct queue *bap_db; static struct queue *bap_cbs; @@ -5765,7 +5745,7 @@ void bt_bap_update_bcast_source(struct bt_bap_pac *pac, static void destroy_base_bis(void *data) { - struct bt_bis *bis = data; + struct bt_bap_bis *bis = data; if (!bis) return; @@ -5778,7 +5758,7 @@ static void destroy_base_bis(void *data) static void generate_bis_base(void *data, void *user_data) { - struct bt_bis *bis = data; + struct bt_bap_bis *bis = data; struct iovec *base_iov = user_data; uint8_t cc_length = bis->caps->iov_len; @@ -5795,7 +5775,7 @@ static void generate_bis_base(void *data, void *user_data) static void generate_subgroup_base(void *data, void *user_data) { - struct bt_subgroup *sgrp = data; + struct bt_bap_subgroup *sgrp = data; struct iovec *base_iov = user_data; if (!util_iov_push_u8(base_iov, queue_length(sgrp->bises))) @@ -5833,7 +5813,7 @@ static void generate_subgroup_base(void *data, void *user_data) queue_foreach(sgrp->bises, generate_bis_base, base_iov); } -static struct iovec *generate_base(struct bt_base *base) +static struct iovec *generate_base(struct bt_bap_base *base) { struct iovec *base_iov = new0(struct iovec, 0x1); @@ -5852,10 +5832,10 @@ static struct iovec *generate_base(struct bt_base *base) return base_iov; } -static void add_new_bis(struct bt_subgroup *subgroup, +static void add_new_bis(struct bt_bap_subgroup *subgroup, uint8_t bis_index, struct iovec *caps) { - struct bt_bis *bis = new0(struct bt_bis, 1); + struct bt_bap_bis *bis = new0(struct bt_bap_bis, 1); bis->index = bis_index; @@ -5867,12 +5847,12 @@ static void add_new_bis(struct bt_subgroup *subgroup, queue_push_tail(subgroup->bises, bis); } -static void add_new_subgroup(struct bt_base *base, +static void add_new_subgroup(struct bt_bap_base *base, struct bt_bap_stream *stream) { struct bt_bap_pac *lpac = stream->lpac; - struct bt_subgroup *sgrp = new0( - struct bt_subgroup, 1); + struct bt_bap_subgroup *sgrp = new0( + struct bt_bap_subgroup, 1); uint16_t cid = 0; uint16_t vid = 0; @@ -6013,7 +5993,7 @@ static struct iovec *extract_diff_caps( static void set_base_subgroup(void *data, void *user_data) { struct bt_bap_stream *stream = data; - struct bt_base *base = user_data; + struct bt_bap_base *base = user_data; /* BIS specific codec capabilities */ struct iovec *bis_caps; @@ -6031,7 +6011,7 @@ static void set_base_subgroup(void *data, void *user_data) } else { /* Verify if a subgroup has the same metadata */ const struct queue_entry *entry; - struct bt_subgroup *subgroup = NULL; + struct bt_bap_subgroup *subgroup = NULL; bool same_meta = false; for (entry = queue_get_entries(base->subgroups); @@ -6065,7 +6045,7 @@ static void set_base_subgroup(void *data, void *user_data) static void destroy_base_subgroup(void *data) { - struct bt_subgroup *subgroup = data; + struct bt_bap_subgroup *subgroup = data; if (!subgroup) return; @@ -6087,7 +6067,7 @@ static void destroy_base_subgroup(void *data) */ struct iovec *bt_bap_stream_get_base(struct bt_bap_stream *stream) { - struct bt_base base; + struct bt_bap_base base; struct iovec *base_iov; base.subgroups = queue_new(); @@ -6106,3 +6086,207 @@ struct iovec *bt_bap_stream_get_base(struct bt_bap_stream *stream) return base_iov; } + +static void cleanup_bis(void *data) +{ + struct bt_bap_bis *bis = data; + + if (bis->caps) + util_iov_free(bis->caps, 1); +} + +static void cleanup_subgroup(struct bt_bap_subgroup *subgroup) +{ + if (!subgroup) + return; + + if (subgroup->meta) + util_iov_free(subgroup->meta, 1); + + if (subgroup->caps) + util_iov_free(subgroup->caps, 1); + + queue_destroy(subgroup->bises, cleanup_bis); + + if (subgroup) + free(subgroup); +} + +bool bt_bap_parse_base(struct bt_bap *bap, void *data, size_t len, + util_debug_func_t func, struct bt_bap_base *base) +{ + uint8_t num_subgroups; + uint8_t num_bis; + + struct iovec iov = { + .iov_base = data, + .iov_len = len, + }; + util_debug(func, NULL, "BASE len %ld", len); + if (!base) + return false; + + if (!util_iov_pull_le24(&iov, &base->pres_delay)) + return false; + util_debug(func, NULL, "PresentationDelay %d", base->pres_delay); + + if (!util_iov_pull_u8(&iov, &base->num_subgroups)) + return false; + util_debug(func, NULL, "NumSubgroups %d", base->num_subgroups); + num_subgroups = base->num_subgroups; + + for (int sg = 0; sg < num_subgroups; sg++) { + struct bt_bap_subgroup *sub_group = new0( + struct bt_bap_subgroup, 1); + uint8_t caps_len, metaLen; + uint8_t *hexstream; + + sub_group->subgroup_index = sg; + + util_debug(func, NULL, "Subgroup #%d", sg); + sub_group->bap = bap; + sub_group->bises = queue_new(); + + if (!util_iov_pull_u8(&iov, &num_bis)) { + cleanup_subgroup(sub_group); + goto fail; + } + util_debug(func, NULL, "NumBis %d", num_bis); + sub_group->num_bises = num_bis; + + memcpy(&sub_group->codec, util_iov_pull_mem(&iov, + sizeof(struct bt_bap_codec)), sizeof(struct bt_bap_codec)); + util_debug(func, NULL, "%s: ID %d CID 0x%2.2x VID 0x%2.2x", + "Codec", sub_group->codec.id, sub_group->codec.cid, + sub_group->codec.vid); + if (!util_iov_pull_u8(&iov, &caps_len)) { + cleanup_subgroup(sub_group); + goto fail; + } + + util_debug(func, NULL, "CC Len %d", caps_len); + + /* + * Copy the Codec Specific configurations from base + */ + sub_group->caps = new0(struct iovec, 1); + util_iov_memcpy(sub_group->caps, iov.iov_base, caps_len); + util_debug(func, NULL, "subgroup caps len %ld", + sub_group->caps->iov_len); + + for (int i = 0; caps_len > 1; i++) { + struct bt_ltv *ltv = util_iov_pull_mem(&iov, + sizeof(*ltv)); + uint8_t *caps; + + if (!ltv) { + util_debug(func, NULL, "Unable to parse %s", + "Capabilities"); + cleanup_subgroup(sub_group); + goto fail; + } + + util_debug(func, NULL, "%s #%u: len %u type %u", + "CC", i, ltv->len, ltv->type); + + caps = util_iov_pull_mem(&iov, ltv->len - 1); + if (!caps) { + util_debug(func, NULL, "Unable to parse %s", + "CC"); + cleanup_subgroup(sub_group); + goto fail; + } + util_hexdump(' ', caps, ltv->len - 1, func, NULL); + + caps_len -= (ltv->len + 1); + } + + if (!util_iov_pull_u8(&iov, &metaLen)) { + cleanup_subgroup(sub_group); + goto fail; + } + util_debug(func, NULL, "Metadata Len %d", metaLen); + + sub_group->meta = new0(struct iovec, 1); + sub_group->meta->iov_len = metaLen; + sub_group->meta->iov_base = iov.iov_base; + + hexstream = util_iov_pull_mem(&iov, metaLen); + if (!hexstream) { + cleanup_subgroup(sub_group); + goto fail; + } + util_hexdump(' ', hexstream, metaLen, func, NULL); + + for (int bis_sg = 0; bis_sg < sub_group->num_bises; bis_sg++) { + struct bt_bap_bis *bis; + uint8_t caps_len; + uint8_t crt_bis; + + if (!util_iov_pull_u8(&iov, &crt_bis)) { + cleanup_subgroup(sub_group); + goto fail; + } + util_debug(func, NULL, "BIS #%d", crt_bis); + + bis = new0(struct bt_bap_bis, 1); + bis->index = crt_bis; + + if (!util_iov_pull_u8(&iov, &caps_len)) { + cleanup_subgroup(sub_group); + goto fail; + } + util_debug(func, NULL, "CC Len %d", caps_len); + + bis->caps = new0(struct iovec, 1); + bis->caps->iov_len = caps_len; + util_iov_memcpy(bis->caps, iov.iov_base, caps_len); + util_debug(func, NULL, "bis caps len %ld", + bis->caps->iov_len); + + for (int i = 0; caps_len > 1; i++) { + struct bt_ltv *ltv = util_iov_pull_mem(&iov, + sizeof(*ltv)); + uint8_t *caps; + + if (!ltv) { + util_debug(func, NULL, "Unable to parse %s", + "Capabilities"); + cleanup_subgroup(sub_group); + goto fail; + } + + util_debug(func, NULL, "%s #%u: len %u type %u", + "CC", i, ltv->len, ltv->type); + + caps = util_iov_pull_mem(&iov, ltv->len - 1); + if (!caps) { + util_debug(func, NULL, + "Unable to parse %s", "CC"); + cleanup_subgroup(sub_group); + goto fail; + } + util_hexdump(' ', caps, ltv->len - 1, func, + NULL); + + caps_len -= (ltv->len + 1); + } + + queue_push_tail(sub_group->bises, bis); + } + + queue_push_tail(base->subgroups, sub_group); + } + return true; + +fail: + while (!queue_isempty(base->subgroups)) { + struct bt_bap_subgroup *subGroup = + queue_peek_head(base->subgroups); + cleanup_subgroup(subGroup); + base->num_subgroups--; + } + util_debug(func, NULL, "Unable to parse %s", "Base"); + + return false; +} diff --git a/src/shared/bap.h b/src/shared/bap.h index 2c3550921f07..b13fef688da3 100644 --- a/src/shared/bap.h +++ b/src/shared/bap.h @@ -98,6 +98,29 @@ struct bt_bap_qos { }; }; +struct bt_bap_base { + uint32_t pres_delay; + uint8_t big_id; + uint8_t num_subgroups; + uint8_t next_bis_index; + struct queue *subgroups; +}; + +struct bt_bap_subgroup { + uint8_t subgroup_index; + struct bt_bap *bap; + uint8_t num_bises; + struct bt_bap_codec codec; + struct iovec *caps; + struct iovec *meta; + struct queue *bises; +}; + +struct bt_bap_bis { + uint8_t index; + struct iovec *caps; +}; + typedef void (*bt_bap_ready_func_t)(struct bt_bap *bap, void *user_data); typedef void (*bt_bap_destroy_func_t)(void *user_data); typedef void (*bt_bap_debug_func_t)(const char *str, void *user_data); @@ -323,3 +346,7 @@ void bt_bap_update_bcast_source(struct bt_bap_pac *pac, bool bt_bap_pac_bcast_is_local(struct bt_bap *bap, struct bt_bap_pac *pac); struct iovec *bt_bap_stream_get_base(struct bt_bap_stream *stream); + +bool bt_bap_parse_base(struct bt_bap *bap, void *data, size_t len, + util_debug_func_t func, struct bt_bap_base *base); +