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Mon, 12 Feb 2024 15:32:31 +0000 From: Silviu Florian Barbulescu To: linux-bluetooth@vger.kernel.org Cc: mihai-octavian.urzica@nxp.com, silviu.barbulescu@nxp.com, vlad.pruteanu@nxp.com, andrei.istodorescu@nxp.com, luiz.dentz@gmail.com, iulia.tanasescu@nxp.com Subject: [PATCH BlueZ v2 2/7] shared/bap: Create multiple streams for the same pac Date: Mon, 12 Feb 2024 17:32:17 +0200 Message-Id: <20240212153222.8191-3-silviu.barbulescu@nxp.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240212153222.8191-1-silviu.barbulescu@nxp.com> References: <20240212153222.8191-1-silviu.barbulescu@nxp.com> X-ClientProxiedBy: AS4P191CA0033.EURP191.PROD.OUTLOOK.COM (2603:10a6:20b:657::20) To VI1PR04MB10073.eurprd04.prod.outlook.com (2603:10a6:800:1dd::8) 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: VI1PR04MB10073:EE_|PAXPR04MB8301:EE_ X-MS-Office365-Filtering-Correlation-Id: e1c5e8de-bc49-42f0-18fe-08dc2bdfd3cc X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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This is required for multiple BISes support. --- src/shared/bap.c | 28 ++++++++++++++++++++++++---- 1 file changed, 24 insertions(+), 4 deletions(-) diff --git a/src/shared/bap.c b/src/shared/bap.c index e26dbf944..f0ffdebfe 100644 --- a/src/shared/bap.c +++ b/src/shared/bap.c @@ -5156,7 +5156,7 @@ struct bt_bap_stream *bt_bap_stream_new(struct bt_bap *bap, struct iovec *data) { struct bt_bap_stream *stream; - struct bt_bap_endpoint *ep; + struct bt_bap_endpoint *ep = NULL; struct match_pac match; if (!bap) @@ -5212,12 +5212,32 @@ struct bt_bap_stream *bt_bap_stream_new(struct bt_bap *bap, match.lpac = lpac; match.rpac = rpac; - /* Check for existing stream */ - ep = queue_find(bap->remote_eps, find_ep_pacs, &match); + /* Broadcast source supports multiple endpoints (multiple BISes) + * for one pac so allow it to register a new endpoint even if + * others already exist. + */ + if (lpac->type != BT_BAP_BCAST_SOURCE) { + /* Check for existing stream */ + ep = queue_find(bap->remote_eps, find_ep_pacs, &match); + } + if (!ep) { /* Check for unused ASE */ ep = queue_find(bap->remote_eps, find_ep_unused, &match); - if (!ep) { + if (!ep && lpac->type == BT_BAP_BCAST_SOURCE) { + /* Push a new remote endpoint with direction + * broadcast source + */ + ep = bap_endpoint_new_broadcast(bap->rdb, + BT_BAP_BCAST_SOURCE); + + if (ep) + queue_push_tail(bap->remote_eps, ep); + else { + DBG(bap, "Unable to create endpoint"); + return NULL; + } + } else if (!ep) { DBG(bap, "Unable to find unused ASE"); return NULL; } From patchwork Mon Feb 12 15:32:18 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Silviu Florian Barbulescu X-Patchwork-Id: 13553413 Received: from EUR04-DB3-obe.outbound.protection.outlook.com (mail-db3eur04on2077.outbound.protection.outlook.com [40.107.6.77]) (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 13D523B799 for ; 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Broadcast source requires the creation of multiple endpoints, one for each BIS for the multiple BISes scenario. --- profiles/audio/bap.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/profiles/audio/bap.c b/profiles/audio/bap.c index 38ee42894..ffd742d7d 100644 --- a/profiles/audio/bap.c +++ b/profiles/audio/bap.c @@ -926,6 +926,10 @@ static void setup_free(void *data) free(setup); } +static struct bap_ep *ep_register_bcast(struct bap_data *data, + struct bt_bap_pac *lpac, + struct bt_bap_pac *rpac); + static DBusMessage *set_configuration(DBusConnection *conn, DBusMessage *msg, void *data) { @@ -982,6 +986,10 @@ static DBusMessage *set_configuration(DBusConnection *conn, DBusMessage *msg, else { setup->base = bt_bap_stream_get_base(setup->stream); setup->id = 0; + /* Create a new endpoint for a new BIS */ + if (!ep_register_bcast(ep->data, ep->lpac, ep->rpac)) + error("Unable to register endpoint for pac %p", + ep->lpac); } if (ep->data->service) @@ -1133,6 +1141,10 @@ static bool match_ep(const void *data, const void *user_data) const struct bap_ep *ep = data; 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Mon, 12 Feb 2024 15:32:35 +0000 From: Silviu Florian Barbulescu To: linux-bluetooth@vger.kernel.org Cc: mihai-octavian.urzica@nxp.com, silviu.barbulescu@nxp.com, vlad.pruteanu@nxp.com, andrei.istodorescu@nxp.com, luiz.dentz@gmail.com, iulia.tanasescu@nxp.com Subject: [PATCH BlueZ v2 4/7] bap: Split bap_state and bap_connecting in two functions Date: Mon, 12 Feb 2024 17:32:19 +0200 Message-Id: <20240212153222.8191-5-silviu.barbulescu@nxp.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240212153222.8191-1-silviu.barbulescu@nxp.com> References: <20240212153222.8191-1-silviu.barbulescu@nxp.com> X-ClientProxiedBy: AM0P190CA0002.EURP190.PROD.OUTLOOK.COM (2603:10a6:208:190::12) To VI1PR04MB10073.eurprd04.prod.outlook.com (2603:10a6:800:1dd::8) 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: VI1PR04MB10073:EE_|PAXPR04MB8301:EE_ X-MS-Office365-Filtering-Correlation-Id: cda5b45d-8c68-40da-7542-08dc2bdfd668 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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} - if (bt_bap_stream_get_type(stream) == - BT_BAP_STREAM_TYPE_UCAST) { - /* Wait QoS response to respond */ - setup->id = bt_bap_stream_qos(stream, - &setup->qos, - qos_cb, setup); - if (!setup->id) { - error("Failed to Configure QoS"); - bt_bap_stream_release(stream, - NULL, NULL); - } + /* Wait QoS response to respond */ + setup->id = bt_bap_stream_qos(stream, + &setup->qos, + qos_cb, setup); + if (!setup->id) { + error("Failed to Configure QoS"); + bt_bap_stream_release(stream, + NULL, NULL); } } break; case BT_BAP_STREAM_STATE_QOS: - if (bt_bap_stream_get_type(stream) == - BT_BAP_STREAM_TYPE_UCAST) { setup_create_io(data, setup, stream, true); - } break; case BT_BAP_STREAM_STATE_ENABLING: if (setup) @@ -2139,6 +2133,45 @@ static void bap_state(struct bt_bap_stream *stream, uint8_t old_state, } } +static void bap_state_bcast(struct bt_bap_stream *stream, uint8_t old_state, + uint8_t new_state, void *user_data) +{ + struct bap_data *data = user_data; + struct bap_setup *setup; + + DBG("stream %p: %s(%u) -> %s(%u)", stream, + bt_bap_stream_statestr(old_state), old_state, + bt_bap_stream_statestr(new_state), new_state); + + /* Ignore transitions back to same state */ + if (new_state == old_state) + return; + + setup = bap_find_setup_by_stream(data, stream); + + switch (new_state) { + case BT_BAP_STREAM_STATE_IDLE: + /* Release stream if idle */ + if (setup) + setup_free(setup); + else + queue_remove(data->streams, stream); + break; + case BT_BAP_STREAM_STATE_CONFIG: + if (setup && !setup->id) { + setup_create_io(data, setup, stream, true); + if (!setup->io) { + error("Unable to create io"); + if (old_state != BT_BAP_STREAM_STATE_RELEASING) + bt_bap_stream_release(stream, NULL, + NULL); + return; + } + } + break; + } +} + static void pac_added(struct bt_bap_pac *pac, void *user_data) { struct btd_service *service = user_data; @@ -2332,45 +2365,69 @@ static void bap_connecting(struct bt_bap_stream *stream, bool state, int fd, g_io_channel_set_close_on_unref(io, FALSE); - switch (bt_bap_stream_get_type(setup->stream)) { - case BT_BAP_STREAM_TYPE_UCAST: - /* Attempt to get CIG/CIS if they have not been set */ - if (qos->ucast.cig_id == BT_ISO_QOS_CIG_UNSET || - qos->ucast.cis_id == BT_ISO_QOS_CIS_UNSET) { - struct bt_iso_qos iso_qos; + /* Attempt to get CIG/CIS if they have not been set */ + if (qos->ucast.cig_id == BT_ISO_QOS_CIG_UNSET || + qos->ucast.cis_id == BT_ISO_QOS_CIS_UNSET) { + struct bt_iso_qos iso_qos; - if (!io_get_qos(io, &iso_qos)) { - g_io_channel_unref(io); - return; - } - - qos->ucast.cig_id = iso_qos.ucast.cig; - qos->ucast.cis_id = iso_qos.ucast.cis; + if (!io_get_qos(io, &iso_qos)) { + g_io_channel_unref(io); + return; } - DBG("stream %p fd %d: CIG 0x%02x CIS 0x%02x", stream, fd, - qos->ucast.cig_id, qos->ucast.cis_id); - break; - case BT_BAP_STREAM_TYPE_BCAST: - /* Attempt to get BIG/BIS if they have not been set */ - if (setup->qos.bcast.big == BT_ISO_QOS_BIG_UNSET || - setup->qos.bcast.bis == BT_ISO_QOS_BIS_UNSET) { - struct bt_iso_qos iso_qos; + qos->ucast.cig_id = iso_qos.ucast.cig; + qos->ucast.cis_id = iso_qos.ucast.cis; + } - if (!io_get_qos(io, &iso_qos)) { - g_io_channel_unref(io); - return; - } + DBG("stream %p fd %d: CIG 0x%02x CIS 0x%02x", stream, fd, + qos->ucast.cig_id, qos->ucast.cis_id); +} - qos->bcast.big = iso_qos.bcast.big; - qos->bcast.bis = iso_qos.bcast.bis; - bt_bap_stream_config(setup->stream, qos, setup->caps, - NULL, NULL); +static void bap_connecting_bcast(struct bt_bap_stream *stream, bool state, + int fd, void *user_data) +{ + struct bap_data *data = user_data; + struct bap_setup *setup; + GIOChannel *io; + + if (!state) + return; + + setup = bap_find_setup_by_stream(data, stream); + if (!setup) + return; + + setup->recreate = false; + + if (!setup->io) { + io = g_io_channel_unix_new(fd); + setup->io_id = g_io_add_watch(io, + G_IO_HUP | G_IO_ERR | G_IO_NVAL, + setup_io_disconnected, setup); + setup->io = io; + } else + io = setup->io; + + g_io_channel_set_close_on_unref(io, FALSE); + + /* Attempt to get BIG/BIS if they have not been set */ + if (setup->qos.bcast.big == BT_ISO_QOS_BIG_UNSET || + setup->qos.bcast.bis == BT_ISO_QOS_BIS_UNSET) { + struct bt_iso_qos iso_qos; + + if (!io_get_qos(io, &iso_qos)) { + g_io_channel_unref(io); + return; } - DBG("stream %p fd %d: BIG 0x%02x BIS 0x%02x", stream, fd, - qos->bcast.big, qos->bcast.bis); + setup->qos.bcast.big = iso_qos.bcast.big; + setup->qos.bcast.bis = iso_qos.bcast.bis; + bt_bap_stream_config(setup->stream, &setup->qos, setup->caps, + NULL, NULL); } + + DBG("stream %p fd %d: BIG 0x%02x BIS 0x%02x", stream, fd, + setup->qos.bcast.big, setup->qos.bcast.bis); } static void bap_attached(struct bt_bap *bap, void *user_data) @@ -2468,10 +2525,10 @@ static int bap_bcast_probe(struct btd_service *service) data->ready_id = bt_bap_ready_register(data->bap, bap_ready, service, NULL); - data->state_id = bt_bap_state_register(data->bap, bap_state, - bap_connecting, data, NULL); + data->state_id = bt_bap_state_register(data->bap, bap_state_bcast, + bap_connecting_bcast, data, NULL); data->pac_id = bt_bap_pac_register(data->bap, pac_added_broadcast, - pac_removed_broadcast, data, NULL); + pac_removed_broadcast, data, NULL); bt_bap_set_user_data(data->bap, service); @@ -2623,8 +2680,8 @@ static int bap_adapter_probe(struct btd_profile *p, return -EINVAL; } - data->state_id = bt_bap_state_register(data->bap, bap_state, - bap_connecting, data, NULL); 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Mon, 12 Feb 2024 15:32:37 +0000 From: Silviu Florian Barbulescu To: linux-bluetooth@vger.kernel.org Cc: mihai-octavian.urzica@nxp.com, silviu.barbulescu@nxp.com, vlad.pruteanu@nxp.com, andrei.istodorescu@nxp.com, luiz.dentz@gmail.com, iulia.tanasescu@nxp.com Subject: [PATCH BlueZ v2 5/7] shared/bap: Check state of all streams with same BIG ID Date: Mon, 12 Feb 2024 17:32:20 +0200 Message-Id: <20240212153222.8191-6-silviu.barbulescu@nxp.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240212153222.8191-1-silviu.barbulescu@nxp.com> References: <20240212153222.8191-1-silviu.barbulescu@nxp.com> X-ClientProxiedBy: AM0PR05CA0087.eurprd05.prod.outlook.com (2603:10a6:208:136::27) To VI1PR04MB10073.eurprd04.prod.outlook.com (2603:10a6:800:1dd::8) 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: VI1PR04MB10073:EE_|PAXPR04MB8301:EE_ X-MS-Office365-Filtering-Correlation-Id: e8f11759-d611-416e-62e6-08dc2bdfd7b9 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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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: e8f11759-d611-416e-62e6-08dc2bdfd7b9 X-MS-Exchange-CrossTenant-AuthSource: VI1PR04MB10073.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Feb 2024 15:32:37.8129 (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: OstxsmJIIQgmIxg+lJ8H3cxXdwZM3c+GDhE7Gs+LOa9U61n4n9Yw+m91XS8+m2AbNB4ObYkRa4lIl3hmfNUoIhWScuKFMc+pp1QZtWG1wps= X-MS-Exchange-Transport-CrossTenantHeadersStamped: PAXPR04MB8301 The function is used to verify if all the streams from a BIG are in the same state, and if so it returns a new queue with all these streams. This queue will be used to iterate through all configured streams in order of their creation, and create the IOs. --- src/shared/bap.c | 37 +++++++++++++++++++++++++++++++++++++ src/shared/bap.h | 2 ++ 2 files changed, 39 insertions(+) diff --git a/src/shared/bap.c b/src/shared/bap.c index f0ffdebfe..2c5979b96 100644 --- a/src/shared/bap.c +++ b/src/shared/bap.c @@ -6126,3 +6126,40 @@ struct iovec *bt_bap_stream_get_base(struct bt_bap_stream *stream) return base_iov; } + +/* + * Check the state of all streams with the same BIG ID. + * If all the streams are in the checked state, return + * a queue with this streams. + * Else, return NULL. + */ +struct queue *bt_bap_get_streams_by_state(struct bt_bap_stream *stream, + uint8_t test_state) +{ + const struct queue_entry *entry; + struct bt_bap_stream *e_str; + struct queue *return_queue = queue_new(); + + for (entry = queue_get_entries(stream->bap->streams); + entry; entry = entry->next) { + e_str = entry->data; + + if ((e_str->lpac->type != BT_BAP_BCAST_SOURCE) || + (e_str->qos.bcast.big != stream->qos.bcast.big)) + continue; 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} +static void iterate_setup_update_base(void *data, void *user_data) +{ + struct bap_setup *setup = data; + struct bap_setup *data_setup = user_data; + + if ((setup->stream != data_setup->stream) && + (setup->qos.bcast.big == data_setup->qos.bcast.big)) { + + if (setup->base) + util_iov_free(setup->base, 1); + + setup->base = util_iov_dup(data_setup->base, 1); + } +} + +static void iterate_endpoints(void *data, void *user_data) +{ + struct bap_ep *ep = data; + struct bap_setup *setup = user_data; + + queue_foreach(ep->setups, iterate_setup_update_base, setup); +} + static struct bap_ep *ep_register_bcast(struct bap_data *data, struct bt_bap_pac *lpac, struct bt_bap_pac *rpac); @@ -984,7 +1007,6 @@ static DBusMessage *set_configuration(DBusConnection *conn, DBusMessage *msg, if (bt_bap_pac_get_type(ep->lpac) == BT_BAP_BCAST_SINK) setup->msg = dbus_message_ref(msg); else { - setup->base = bt_bap_stream_get_base(setup->stream); setup->id = 0; /* Create a new endpoint for a new BIS */ if (!ep_register_bcast(ep->data, ep->lpac, ep->rpac)) @@ -1858,7 +1880,7 @@ static void setup_connect_io(struct bap_data *data, struct bap_setup *setup, static void setup_connect_io_broadcast(struct bap_data *data, struct bap_setup *setup, struct bt_bap_stream *stream, - struct bt_iso_qos *qos) + struct bt_iso_qos *qos, int defer) { struct btd_adapter *adapter = data->user_data; GIOChannel *io = NULL; @@ -1895,7 +1917,7 @@ static void setup_connect_io_broadcast(struct bap_data *data, BT_IO_OPT_MODE, BT_IO_MODE_ISO, BT_IO_OPT_QOS, qos, BT_IO_OPT_BASE, &base, - BT_IO_OPT_DEFER_TIMEOUT, false, + BT_IO_OPT_DEFER_TIMEOUT, defer, BT_IO_OPT_INVALID); if (!io) { @@ -2024,9 +2046,6 @@ static void setup_create_bcast_io(struct bap_data *data, memset(&iso_qos, 0, sizeof(iso_qos)); - if (!defer) - goto done; - iso_qos.bcast.big = setup->qos.bcast.big; iso_qos.bcast.bis = setup->qos.bcast.bis; iso_qos.bcast.sync_factor = setup->qos.bcast.sync_factor; @@ -2043,9 +2062,10 @@ static void setup_create_bcast_io(struct bap_data *data, iso_qos.bcast.timeout = setup->qos.bcast.timeout; memcpy(&iso_qos.bcast.out, &setup->qos.bcast.io_qos, sizeof(struct bt_iso_io_qos)); -done: + if (bt_bap_pac_get_type(setup->ep->lpac) == BT_BAP_BCAST_SOURCE) - setup_connect_io_broadcast(data, setup, stream, &iso_qos); + setup_connect_io_broadcast(data, setup, stream, &iso_qos, + defer); else setup_listen_io_broadcast(data, setup, stream, &iso_qos); } @@ -2132,12 +2152,60 @@ static void bap_state(struct bt_bap_stream *stream, uint8_t old_state, break; } } +/* + * Function receives a list of streams ordered by BIS index + * and calls setup_create_io with defer true on all but the + * last one. + */ +static bool create_io_in_bis_order(struct bap_data *data, + struct queue *order_queue) +{ + const struct queue_entry *entry; + struct bt_bap_stream *stream; + struct bap_setup *setup; + bool defer = true; + uint8_t length = queue_length(order_queue); + + for (entry = queue_get_entries(order_queue); + entry; entry = entry->next) { + stream = entry->data; + setup = bap_find_setup_by_stream(data, stream); + + if (bt_bap_stream_get_qos(stream)->bcast.bis == length) + defer = false; + + setup_create_io(data, setup, stream, defer); + if (!setup->io) { + error("Unable to create io"); + goto fail; + } + } + + return true; + +fail: + /* Clear the io of the created sockets if one + * socket creation fails. + */ + for (entry = queue_get_entries(order_queue); + entry; entry = entry->next) { + stream = entry->data; + setup = bap_find_setup_by_stream(data, stream); + + if (setup->io) + g_io_channel_unref(setup->io); + } + + return false; +} static void bap_state_bcast(struct bt_bap_stream *stream, uint8_t old_state, uint8_t new_state, void *user_data) { struct bap_data *data = user_data; struct bap_setup *setup; + bool defer = false; + struct queue *order_queue = NULL; DBG("stream %p: %s(%u) -> %s(%u)", stream, bt_bap_stream_statestr(old_state), old_state, @@ -2158,14 +2226,77 @@ static void bap_state_bcast(struct bt_bap_stream *stream, uint8_t old_state, queue_remove(data->streams, stream); break; case BT_BAP_STREAM_STATE_CONFIG: - if (setup && !setup->id) { - setup_create_io(data, setup, stream, true); + if (!setup || setup->id) + break; + /* If the stream is attached to a + * broadcast sink endpoint. + */ + if (bt_bap_stream_io_dir(stream) == + BT_BAP_BCAST_SOURCE) { + setup_create_io(data, setup, stream, defer); if (!setup->io) { error("Unable to create io"); - if (old_state != BT_BAP_STREAM_STATE_RELEASING) - bt_bap_stream_release(stream, NULL, - NULL); - return; + if (old_state != + BT_BAP_STREAM_STATE_RELEASING) + bt_bap_stream_release(stream, + NULL, NULL); + } + } else { + /* If the stream attached to a broadcast + * source endpoint generate the base. + */ + if (setup->base == NULL) { + setup->base = bt_bap_stream_get_base( + setup->stream); + /* Set the generated BASE on all setups + * from the same BIG. + */ + queue_foreach(data->bcast, + iterate_endpoints, setup); + } + /* If there is only one BIS create the io + * with defer false + */ + if (setup->qos.bcast.big == 0xFF) { + setup_create_io(data, setup, + stream, defer); + if (!setup->io) { + error("Unable to create io"); + if (old_state != + BT_BAP_STREAM_STATE_RELEASING) + bt_bap_stream_release(stream, + NULL, NULL); + } + } else { + /* The kernel has 2 requirements when handling + * multiple BIS connections for the same BIG: + * 1 - setup_create_io for all but the last BIS + * must be with defer true so we can inform the + * kernel when to start the BIG. + * 2 - The order in which the setup_create_io + * are called must be in the order of BIS + * indexes in BASE from first to last. + * To address this requirement we will call + * setup_create_io on all BISes only when all + * transport acquire have been received and will + * send it in the order of the BIS index + * from BASE. + */ + order_queue = bt_bap_get_streams_by_state( + setup->stream, + BT_BAP_STREAM_STATE_CONFIG); 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Mon, 12 Feb 2024 15:32:42 +0000 From: Silviu Florian Barbulescu To: linux-bluetooth@vger.kernel.org Cc: mihai-octavian.urzica@nxp.com, silviu.barbulescu@nxp.com, vlad.pruteanu@nxp.com, andrei.istodorescu@nxp.com, luiz.dentz@gmail.com, iulia.tanasescu@nxp.com Subject: [PATCH BlueZ v2 7/7] shared/bap: Generate one BIS BASE for config BIG ID 0xFF Date: Mon, 12 Feb 2024 17:32:22 +0200 Message-Id: <20240212153222.8191-8-silviu.barbulescu@nxp.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240212153222.8191-1-silviu.barbulescu@nxp.com> References: <20240212153222.8191-1-silviu.barbulescu@nxp.com> X-ClientProxiedBy: AM0P190CA0014.EURP190.PROD.OUTLOOK.COM (2603:10a6:208:190::24) To VI1PR04MB10073.eurprd04.prod.outlook.com (2603:10a6:800:1dd::8) 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: VI1PR04MB10073:EE_|PAXPR04MB8301:EE_ X-MS-Office365-Filtering-Correlation-Id: 36fce844-3d6c-4f44-41df-08dc2bdfda60 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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base.big_id = stream->qos.bcast.big; - /* - * Create subgroups with each different Metadata and Codec - * Specific Configuration from all streams having the same BIG ID. + /* If the BIG ID was explicitly set, create a BASE with information + * from all streams belonging to this BIG. Otherwise, create a BASE + * with only this BIS. */ - queue_foreach(stream->bap->streams, set_base_subgroup, &base); + if (stream->qos.bcast.big != 0xFF) + queue_foreach(stream->bap->streams, set_base_subgroup, &base); + else { + base.pres_delay = stream->qos.bcast.delay; + set_base_subgroup(stream, &base); + } base_iov = generate_base(&base);