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Thu, 15 Feb 2024 21:24:06 +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 v3 2/7] bap: Split bap_state and bap_connecting in two functions Date: Thu, 15 Feb 2024 23:23:51 +0200 Message-Id: <20240215212356.310301-3-silviu.barbulescu@nxp.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240215212356.310301-1-silviu.barbulescu@nxp.com> References: <20240215212356.310301-1-silviu.barbulescu@nxp.com> X-ClientProxiedBy: AM0PR03CA0008.eurprd03.prod.outlook.com (2603:10a6:208:14::21) 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_|AS8PR04MB9128:EE_ X-MS-Office365-Filtering-Correlation-Id: 1eae22b6-4da6-487d-5a43-08dc2e6c7106 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) @@ -2127,6 +2121,45 @@ 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; @@ -2320,45 +2353,69 @@ 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) @@ -2456,10 +2513,10 @@ 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); @@ -2611,8 +2668,8 @@ 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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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); From patchwork Thu Feb 15 21:23:53 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: 773096 Received: from EUR04-HE1-obe.outbound.protection.outlook.com (mail-he1eur04on2055.outbound.protection.outlook.com [40.107.7.55]) (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 0E5CD13B795 for ; Thu, 15 Feb 2024 21:24:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.7.55 ARC-Seal: i=2; a=rsa-sha256; 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struct bt_bap_stream_io *io; const struct bt_bap_stream_ops *ops; + uint8_t bcast_old_state; + uint8_t bcast_state; bool client; void *user_data; }; @@ -1271,7 +1273,6 @@ static void bap_stream_state_changed(struct bt_bap_stream *stream) static void stream_set_state(struct bt_bap_stream *stream, uint8_t state) { - struct bt_bap_endpoint *ep = stream->ep; struct bt_bap *bap = stream->bap; /* Check if ref_count is already 0 which means detaching is in @@ -1283,14 +1284,6 @@ static void stream_set_state(struct bt_bap_stream *stream, uint8_t state) return; } - ep->old_state = ep->state; - ep->state = state; - - DBG(bap, "stream %p dir 0x%02x: %s -> %s", stream, - bt_bap_stream_get_dir(stream), - bt_bap_stream_statestr(stream->ep->old_state), - bt_bap_stream_statestr(stream->ep->state)); - if (stream->ops && stream->ops->set_state) stream->ops->set_state(stream, state); @@ -1527,6 +1520,14 @@ static void bap_ucast_set_state(struct bt_bap_stream *stream, uint8_t state) { struct bt_bap_endpoint *ep = stream->ep; + ep->old_state = ep->state; + ep->state = state; + + DBG(stream->bap, "stream %p dir 0x%02x: %s -> %s", stream, + bt_bap_stream_get_dir(stream), + bt_bap_stream_statestr(stream->ep->old_state), + bt_bap_stream_statestr(stream->ep->state)); + if (stream->lpac->type == BT_BAP_BCAST_SINK || stream->client) goto done; @@ -1942,22 +1943,25 @@ static void bap_bcast_set_state(struct bt_bap_stream *stream, uint8_t state) struct bt_bap *bap = stream->bap; const struct queue_entry *entry; + stream->bcast_old_state = stream->bcast_state; + stream->bcast_state = state; + DBG(bap, "stream %p dir 0x%02x: %s -> %s", stream, bt_bap_stream_get_dir(stream), - bt_bap_stream_statestr(stream->ep->old_state), - bt_bap_stream_statestr(stream->ep->state)); + bt_bap_stream_statestr(stream->bcast_old_state), + bt_bap_stream_statestr(stream->bcast_state)); for (entry = queue_get_entries(bap->state_cbs); entry; entry = entry->next) { struct bt_bap_state *state = entry->data; if (state->func) - state->func(stream, stream->ep->old_state, - stream->ep->state, state->data); 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Thu, 15 Feb 2024 21:24:16 +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 v3 5/7] shared/bap: Check state of all streams with same BIG ID Date: Thu, 15 Feb 2024 23:23:54 +0200 Message-Id: <20240215212356.310301-6-silviu.barbulescu@nxp.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240215212356.310301-1-silviu.barbulescu@nxp.com> References: <20240215212356.310301-1-silviu.barbulescu@nxp.com> X-ClientProxiedBy: AM0PR02CA0090.eurprd02.prod.outlook.com (2603:10a6:208:154::31) 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_|AS8PR04MB9128:EE_ X-MS-Office365-Filtering-Correlation-Id: c07289cc-b30f-475b-983e-08dc2e6c766d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Else, return 0. --- src/shared/bap.c | 33 +++++++++++++++++++++++++++++++++ src/shared/bap.h | 2 ++ 2 files changed, 35 insertions(+) diff --git a/src/shared/bap.c b/src/shared/bap.c index 524bfa058..49d9838fb 100644 --- a/src/shared/bap.c +++ b/src/shared/bap.c @@ -6115,3 +6115,36 @@ 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 + * number of this streams. Else, return 0. + */ +uint8_t bt_bap_get_streams_by_state(struct bt_bap_stream *stream, + uint8_t test_state) +{ + const struct queue_entry *entry; + struct bt_bap_stream *ent_stream; + uint8_t nb = 0; + + for (entry = queue_get_entries(stream->bap->streams); + entry; entry = entry->next) { + ent_stream = entry->data; + + if (ent_stream == stream) { + nb++; + continue; + } + + if (ent_stream->qos.bcast.big != stream->qos.bcast.big) + continue; + + if (ent_stream->bcast_state != test_state) + return 0; + + nb++; + } + + return nb; +} diff --git a/src/shared/bap.h b/src/shared/bap.h index 2c3550921..a37e1528e 100644 --- a/src/shared/bap.h +++ b/src/shared/bap.h @@ -323,3 +323,5 @@ 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); +uint8_t bt_bap_get_streams_by_state(struct bt_bap_stream *stream, + uint8_t test_state); From patchwork Thu Feb 15 21:23:55 2024 Content-Type: text/plain; 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- /* Disconnect IOs if connecting since QoS is going to be reconfigured */ - ep_close(ep); + /* Broadcast source supports multiple setups, each setup will be BIS + * and will be configured with the set_configuration command + * TO DO reconfiguration of a BIS. + */ + if (bt_bap_pac_get_type(ep->lpac) != BT_BAP_BCAST_SOURCE) + ep_close(ep); setup = setup_new(ep); @@ -980,7 +984,6 @@ 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; } @@ -1846,7 +1849,7 @@ 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; @@ -1883,7 +1886,7 @@ 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) { @@ -2012,9 +2015,6 @@ 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; @@ -2031,9 +2031,10 @@ 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); } @@ -2121,11 +2122,77 @@ static void bap_state(struct bt_bap_stream *stream, uint8_t old_state, } } +/* This function will call setup_create_io on all BISes from a BIG. + * The defer parameter will be set on true on all but the last one. + */ +static bool create_io_bises(struct bap_setup *setup, + uint8_t nb_bises, struct bap_data *data) +{ + const struct queue_entry *entry; + struct bap_setup *ent_setup; + bool defer = true; + + for (entry = queue_get_entries(setup->ep->setups); + entry; entry = entry->next) { + ent_setup = entry->data; + + if (bt_bap_stream_get_qos(ent_setup->stream)->bcast.big != + bt_bap_stream_get_qos(setup->stream)->bcast.big) + continue; + + if (bt_bap_stream_get_qos(ent_setup->stream)->bcast.bis == + nb_bises) + defer = false; + + setup_create_io(data, ent_setup, ent_setup->stream, defer); + if (!ent_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(setup->ep->setups); + entry; entry = entry->next) { + ent_setup = entry->data; + + if (bt_bap_stream_get_qos(ent_setup->stream)->bcast.big != + bt_bap_stream_get_qos(setup->stream)->bcast.big) + continue; + + if (setup->io) + g_io_channel_unref(setup->io); + } + return false; +} + +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 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; + uint8_t nb_bises = 0; DBG("stream %p: %s(%u) -> %s(%u)", stream, bt_bap_stream_statestr(old_state), old_state, @@ -2146,14 +2213,75 @@ 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(setup->ep->setups, + iterate_setup_update_base, setup); + } + /* If there is only one BIS create the io + * with defer false + */ + if (setup->qos.bcast.big == BT_ISO_QOS_BIG_UNSET) { + 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. + */ + nb_bises = bt_bap_get_streams_by_state( + setup->stream, + BT_BAP_STREAM_STATE_CONFIG); + + if (!nb_bises) + break; + + if (!create_io_bises(setup, nb_bises, data)) { + if (old_state != + BT_BAP_STREAM_STATE_RELEASING) + bt_bap_stream_release(stream, + NULL, NULL); + } } } break;