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Tue, 31 Oct 2023 15:55:51 +0000 From: Silviu Florian Barbulescu To: linux-bluetooth@vger.kernel.org Cc: claudia.rosu@nxp.com, 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 v2 3/5] Add support for bcast multiple BISes Date: Tue, 31 Oct 2023 17:55:33 +0200 Message-Id: <20231031155535.228994-4-silviu.barbulescu@nxp.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231031155535.228994-1-silviu.barbulescu@nxp.com> References: <20231031155535.228994-1-silviu.barbulescu@nxp.com> X-ClientProxiedBy: VI1PR07CA0135.eurprd07.prod.outlook.com (2603:10a6:802:16::22) To DBBPR04MB6331.eurprd04.prod.outlook.com (2603:10a6:10:ca::21) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DBBPR04MB6331:EE_|VE1PR04MB7440:EE_ X-MS-Office365-Filtering-Correlation-Id: e5ca7b6b-fe19-4f70-1732-08dbda29db1b X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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}; +#define DEFAULT_IO_QOS \ +{ \ + .interval = 10000, \ + .latency = 10, \ + .sdu = 40, \ + .phy = 0x02, \ + .rtn = 2, \ +} + +static struct bt_iso_qos default_qos = { + .bcast = { + .big = BT_ISO_QOS_BIG_UNSET, + .bis = BT_ISO_QOS_BIS_UNSET, + .sync_factor = 0x07, + .packing = 0x00, + .framing = 0x00, + .in = DEFAULT_IO_QOS, + .out = DEFAULT_IO_QOS, + .encryption = 0x00, + .bcode = {0x00}, + .options = 0x00, + .skip = 0x0000, + .sync_timeout = 0x4000, + .sync_cte_type = 0x00, + .mse = 0x00, + .timeout = 0x4000, + } +}; + static struct queue *sessions; static bool bap_data_set_user_data(struct bap_data *data, void *user_data) @@ -254,7 +283,11 @@ static gboolean get_device(const GDBusPropertyTable *property, const char *path; if (bt_bap_pac_get_type(ep->lpac) == BT_BAP_BCAST_SOURCE) - path = adapter_get_path(ep->data->adapter); + /* + *Use remote endpoint path as fake device path + *for the remote broadcast source endpoint + */ + path = ep->path; else path = device_get_path(ep->data->device); @@ -379,101 +412,184 @@ static int parse_array(DBusMessageIter *iter, struct iovec *iov) return 0; } -static bool parse_base(void *data, size_t len, util_debug_func_t func, - uint32_t *presDelay, uint8_t *numSubgroups, uint8_t *numBis, - struct bt_bap_codec *codec, struct iovec **caps, - struct iovec **meta) +static bool parse_base(struct bt_bap *bap, void *data, size_t len, + util_debug_func_t func, struct bt_bap_base *base) { + uint8_t numSubgroups; + uint8_t numBis; + struct iovec iov = { .iov_base = data, .iov_len = len, }; + util_debug(func, NULL, "BASE len %ld", len); + if (!base) + return false; - uint8_t capsLen, metaLen; - uint8_t *hexstream; + if (!util_iov_pull_le24(&iov, &base->presDelay)) + return false; + util_debug(func, NULL, "PresentationDelay %d", base->presDelay); - if (presDelay) { - if (!util_iov_pull_le24(&iov, presDelay)) - return false; - util_debug(func, NULL, "PresentationDelay %d", *presDelay); - } + if (!util_iov_pull_u8(&iov, &base->numSubgroups)) + return false; + util_debug(func, NULL, "NumSubgroups %d", base->numSubgroups); + numSubgroups = base->numSubgroups; - if (numSubgroups) { - if (!util_iov_pull_u8(&iov, numSubgroups)) - return false; - util_debug(func, NULL, "NumSubgroups %d", *numSubgroups); - } + for (int sg = 0; sg < numSubgroups; sg++) { + struct bt_bap_base_subgroup *subGroup = new0( + struct bt_bap_base_subgroup, 1); + uint8_t capsLen, metaLen; + uint8_t *hexstream; - if (numBis) { - if (!util_iov_pull_u8(&iov, numBis)) - return false; - util_debug(func, NULL, "NumBis %d", *numBis); - } + subGroup->subGroupIndex = sg; + + util_debug(func, NULL, "Subgroup #%d", sg); + subGroup->bap = bap; + subGroup->bises = queue_new(); - if (codec) { - codec = util_iov_pull_mem(&iov, sizeof(*codec)); - if (!codec) + if (!util_iov_pull_u8(&iov, &numBis)) return false; + util_debug(func, NULL, "NumBis %d", numBis); + subGroup->numBises = numBis; + + memcpy(&subGroup->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", codec->id, codec->cid, codec->vid); - } + "Codec", subGroup->codec.id, subGroup->codec.cid, + subGroup->codec.vid); + if (!util_iov_pull_u8(&iov, &capsLen)) { + free(subGroup); + return false; + } - if (!util_iov_pull_u8(&iov, &capsLen)) - return false; - util_debug(func, NULL, "CC Len %d", capsLen); + util_debug(func, NULL, "CC Len %d", capsLen); - if (!capsLen) - return false; - if (caps) { - if (!(*caps)) - *caps = new0(struct iovec, 1); - (*caps)->iov_len = capsLen; - (*caps)->iov_base = iov.iov_base; - } + subGroup->caps = new0(struct iovec, 1); + util_iov_memcpy(subGroup->caps, iov.iov_base, capsLen); + DBG("subgroup caps len %ld", subGroup->caps->iov_len); - for (int i = 0; capsLen > 1; i++) { - struct bt_ltv *ltv = util_iov_pull_mem(&iov, sizeof(*ltv)); - uint8_t *caps; + for (int i = 0; capsLen > 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"); + if (!ltv) { + util_debug(func, NULL, "Unable to parse %s", + "Capabilities"); + free(subGroup->caps); + free(subGroup); + return false; + } + + 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"); + free(subGroup->caps); + free(subGroup); + return false; + } + util_hexdump(' ', caps, ltv->len - 1, func, NULL); + + capsLen -= (ltv->len + 1); + } + + if (!util_iov_pull_u8(&iov, &metaLen)) { + free(subGroup->caps); + free(subGroup); return false; } + util_debug(func, NULL, "Metadata Len %d", metaLen); - util_debug(func, NULL, "%s #%u: len %u type %u", - "CC", i, ltv->len, ltv->type); + subGroup->meta = new0(struct iovec, 1); + subGroup->meta->iov_len = metaLen; + subGroup->meta->iov_base = iov.iov_base; - caps = util_iov_pull_mem(&iov, ltv->len - 1); - if (!caps) { - util_debug(func, NULL, "Unable to parse %s", - "CC"); + hexstream = util_iov_pull_mem(&iov, metaLen); + if (!hexstream) { + free(subGroup->meta); + free(subGroup->caps); + free(subGroup); return false; } - util_hexdump(' ', caps, ltv->len - 1, func, NULL); + util_hexdump(' ', hexstream, metaLen, func, NULL); + + for (int bis_sg = 0; bis_sg < subGroup->numBises; bis_sg++) { + struct bt_bap_bis *bis; + uint8_t capsLen; + uint8_t crtBis; + + if (!util_iov_pull_u8(&iov, &crtBis)) { + free(subGroup->meta); + free(subGroup->caps); + free(subGroup); + return false; + } + util_debug(func, NULL, "BIS #%d", crtBis); - capsLen -= (ltv->len + 1); - } + bis = new0(struct bt_bap_bis, 1); + bis->bisIndex = crtBis; - if (!util_iov_pull_u8(&iov, &metaLen)) - return false; - util_debug(func, NULL, "Metadata Len %d", metaLen); + if (!util_iov_pull_u8(&iov, &capsLen)) { + free(subGroup->meta); + free(subGroup->caps); + free(subGroup); + free(bis); + return false; + } + util_debug(func, NULL, "CC Len %d", capsLen); - if (!metaLen) - return false; - if (meta) { - if (!(*meta)) - *meta = new0(struct iovec, 1); - (*meta)->iov_len = metaLen; - (*meta)->iov_base = iov.iov_base; - } + bis->caps = new0(struct iovec, 1); + bis->caps->iov_len = capsLen; + util_iov_memcpy(bis->caps, iov.iov_base, capsLen); + DBG("bis caps len %ld", bis->caps->iov_len); - hexstream = util_iov_pull_mem(&iov, metaLen); - if (!hexstream) - return false; - util_hexdump(' ', hexstream, metaLen, func, NULL); + for (int i = 0; capsLen > 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"); + free(subGroup->meta); + free(subGroup->caps); + free(subGroup); + free(bis->caps); + free(bis); + return false; + } + + 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"); + free(subGroup->meta); + free(subGroup->caps); + free(subGroup); + free(bis->caps); + free(bis); + return false; + } + util_hexdump(' ', caps, ltv->len - 1, func, + NULL); + capsLen -= (ltv->len + 1); + } + + queue_push_tail(subGroup->bises, bis); + } + + queue_push_tail(base->subgroups, subGroup); + } return true; + } static int parse_io_qos(const char *key, int var, DBusMessageIter *iter, @@ -556,6 +672,16 @@ static int parse_bcast_qos(const char *key, int var, DBusMessageIter *iter, return -EINVAL; dbus_message_iter_get_basic(iter, &qos->bcast.encryption); + } else if (!strcasecmp(key, "BIG")) { + if (var != DBUS_TYPE_BYTE) + return -EINVAL; + + dbus_message_iter_get_basic(iter, &qos->bcast.big); + } else if (!strcasecmp(key, "BIS")) { + if (var != DBUS_TYPE_BYTE) + return -EINVAL; + + dbus_message_iter_get_basic(iter, &qos->bcast.bis); } else if (!strcasecmp(key, "Options")) { if (var != DBUS_TYPE_BYTE) return -EINVAL; @@ -653,10 +779,12 @@ static int parse_qos(DBusMessageIter *iter, struct bt_bap_qos *qos, static int parse_configuration(DBusMessageIter *props, struct iovec **caps, struct iovec **metadata, struct iovec **base, - struct bt_bap_qos *qos) + struct bt_bap_qos *qos, + struct bt_bap_base *base_s) { const char *key; struct iovec iov; + base_s->subgroups = NULL; memset(&iov, 0, sizeof(iov)); @@ -702,14 +830,10 @@ static int parse_configuration(DBusMessageIter *props, struct iovec **caps, } if (*base) { - uint32_t presDelay; - uint8_t numSubgroups, numBis; - struct bt_bap_codec codec; - util_iov_memcpy(*base, (*caps)->iov_base, (*caps)->iov_len); - parse_base((*caps)->iov_base, (*caps)->iov_len, bap_debug, - &presDelay, &numSubgroups, &numBis, &codec, - caps, NULL); + base_s->subgroups = queue_new(); + parse_base(NULL, (*caps)->iov_base, (*caps)->iov_len, + bap_debug, base_s); } return 0; @@ -796,12 +920,40 @@ static void bap_io_close(struct bap_ep *ep) ep->cig_active = false; } +static bool match_bis_by_id(const void *data, const void *user_data) +{ + int32_t bis_id = PTR_TO_INT(user_data); + const struct bt_bap_bis *bis = data; + + return bis->bisIndex == bis_id; +} + +static int get_number_bcast_source_ep(struct bap_ep *ep) +{ + const struct queue_entry *entry; + struct bap_ep *current_ep; + int nr_ep = 0; + + for (entry = queue_get_entries(ep->data->bcast); entry; + entry = entry->next) { + current_ep = entry->data; + if (bt_bap_pac_get_type(current_ep->lpac) == + BT_BAP_BCAST_SOURCE) + nr_ep++; + } + + return nr_ep; +} + static DBusMessage *set_configuration(DBusConnection *conn, DBusMessage *msg, void *data) { struct bap_ep *ep = data; const char *path; DBusMessageIter args, props; + struct bt_bap_base parse_bap_base; + struct bt_bap_bis *curent_bis; + struct bt_bap_base_subgroup *subgroup; if (ep->msg) return btd_error_busy(msg); @@ -832,11 +984,46 @@ static DBusMessage *set_configuration(DBusConnection *conn, DBusMessage *msg, } if (parse_configuration(&props, &ep->caps, &ep->metadata, - &ep->base, &ep->qos) < 0) { + &ep->base, &ep->qos, &parse_bap_base) < 0) { DBG("Unable to parse configuration"); return btd_error_invalid_args(msg); } + if (bt_bap_pac_get_type(ep->lpac) == BT_BAP_BCAST_SOURCE) { + unsigned int nr_ep = 1; + + subgroup = queue_peek_head(parse_bap_base.subgroups); + curent_bis = queue_find(subgroup->bises, match_bis_by_id, + INT_TO_PTR(ep->qos.bcast.bis)); + if (curent_bis == NULL) { + DBG("Unable to find BIS"); + return btd_error_invalid_args(msg); + } + util_iov_free(ep->caps, 1); + ep->caps = new0(struct iovec, 1); + bt_bap_ltv_merge(ep->caps, subgroup->caps, false); + bt_bap_ltv_merge(ep->caps, curent_bis->caps, false); + + nr_ep = get_number_bcast_source_ep(ep); + if (nr_ep < queue_length(subgroup->bises)) { + for (uint8_t i = 0; + i < queue_length(subgroup->bises)-1; i++) + bt_bap_add_vendor_pac_from_pac(ep->lpac); + } + } else if ((bt_bap_pac_get_type(ep->rpac) == BT_BAP_BCAST_SOURCE) && + (bt_bap_pac_get_type(ep->lpac) == BT_BAP_BCAST_SINK)) { + util_iov_free(ep->caps, 1); + ep->caps = new0(struct iovec, 1); + bt_bap_ltv_merge(ep->caps, bt_bap_pac_get_data(ep->rpac), + false); + } + /* + * Kernel uses bis id as advertising handler. To open all BISes from + * a big on the same advertisng handler set the bis + * to BT_ISO_QOS_BIS_UNSET + */ + ep->qos.bcast.bis = BT_ISO_QOS_BIS_UNSET; + /* TODO: Check if stream capabilities match add support for Latency * and PHY. */ @@ -848,7 +1035,7 @@ static DBusMessage *set_configuration(DBusConnection *conn, DBusMessage *msg, config_cb, ep); if (!ep->id) { DBG("Unable to config stream"); - free(ep->caps); + util_iov_free(ep->caps, 1); ep->caps = NULL; return btd_error_invalid_args(msg); } @@ -916,11 +1103,6 @@ static void iso_bcast_confirm_cb(GIOChannel *io, GError *err, void *user_data) char address[18]; struct bap_ep *ep; int fd; - struct iovec *base_io; - uint32_t presDelay; - uint8_t numSubgroups; - uint8_t numBis; - struct bt_bap_codec codec; bt_io_get(io, &err, BT_IO_OPT_DEST, address, @@ -945,15 +1127,6 @@ static void iso_bcast_confirm_cb(GIOChannel *io, GError *err, void *user_data) update_bcast_qos(&qos, &ep->qos); - base_io = new0(struct iovec, 1); - util_iov_memcpy(base_io, base.base, base.base_len); - - parse_base(base_io->iov_base, base_io->iov_len, bap_debug, - &presDelay, &numSubgroups, &numBis, - &codec, &ep->caps, &ep->metadata); - - /* Update pac with BASE information */ - bt_bap_update_bcast_source(ep->rpac, &codec, ep->caps, ep->metadata); ep->id = bt_bap_stream_config(ep->stream, &ep->qos, ep->caps, NULL, NULL); data->listen_io = io; @@ -968,25 +1141,40 @@ static void iso_bcast_confirm_cb(GIOChannel *io, GError *err, void *user_data) return; } - return; drop: g_io_channel_shutdown(io, TRUE, NULL); - } static void iso_pa_sync_confirm_cb(GIOChannel *io, void *user_data) { GError *err = NULL; + struct bt_iso_base base; + char address[18]; + struct bt_bap_base *base_s; + struct bap_data *data = user_data; + struct bt_iso_qos qos; - if (!bt_io_bcast_accept(io, iso_bcast_confirm_cb, - user_data, NULL, &err, BT_IO_OPT_INVALID)) { - error("bt_io_bcast_accept: %s", err->message); + bt_io_get(io, &err, + BT_IO_OPT_DEST, address, + BT_IO_OPT_QOS, &qos, + BT_IO_OPT_BASE, &base, + BT_IO_OPT_INVALID); + if (err) { + error("%s", err->message); g_error_free(err); - g_io_channel_shutdown(io, TRUE, NULL); + return; } + g_io_channel_ref(io); + data->listen_io = io; + btd_service_connecting_complete(data->service, 0); + + base_s = new0(struct bt_bap_base, 1); + base_s->subgroups = queue_new(); + parse_base(data->bap, base.base, base.base_len, bap_debug, base_s); + bt_bap_update_bcast_source(NULL, base_s); } static bool match_data_bap_data(const void *data, const void *match_data) @@ -1082,6 +1270,7 @@ static struct bap_ep *ep_register_bcast(struct bap_data *data, case BT_BAP_BCAST_SINK: err = asprintf(&ep->path, "%s/pac_%s%d", device_get_path(device), suffix, i); + ep->io = data->listen_io; ep->base = new0(struct iovec, 1); break; } @@ -1582,9 +1771,12 @@ static gboolean bap_io_disconnected(GIOChannel *io, GIOCondition cond, bap_io_close(ep); - /* Check if connecting recreate IO */ - if (!is_cig_busy(ep->data, ep->qos.ucast.cig_id)) - recreate_cig(ep); + if (bt_bap_stream_get_type(ep->stream) == + BT_BAP_STREAM_TYPE_UCAST) { + /* Check if connecting recreate IO */ + if (!is_cig_busy(ep->data, ep->qos.ucast.cig_id)) + recreate_cig(ep); + } return FALSE; } @@ -1675,7 +1867,7 @@ static void bap_connect_io(struct bap_data *data, struct bap_ep *ep, static void bap_connect_io_broadcast(struct bap_data *data, struct bap_ep *ep, 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; @@ -1711,7 +1903,7 @@ static void bap_connect_io_broadcast(struct bap_data *data, struct bap_ep *ep, 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) { @@ -1763,42 +1955,28 @@ static void bap_listen_io(struct bap_data *data, struct bt_bap_stream *stream, static void bap_listen_io_broadcast(struct bap_data *data, struct bap_ep *ep, struct bt_bap_stream *stream, struct bt_iso_qos *qos) { - GIOChannel *io; GError *err = NULL; struct sockaddr_iso_bc iso_bc_addr; iso_bc_addr.bc_bdaddr_type = btd_device_get_bdaddr_type(data->device); memcpy(&iso_bc_addr.bc_bdaddr, device_get_address(data->device), sizeof(bdaddr_t)); - iso_bc_addr.bc_bis[0] = 1; iso_bc_addr.bc_num_bis = 1; + iso_bc_addr.bc_bis[0] = strtol(bt_bap_pac_get_name(ep->rpac), NULL, 10); DBG("stream %p", stream); - /* If IO already set skip creating it again */ - if (bt_bap_stream_get_io(stream) || data->listen_io) - return; - - io = bt_io_listen(NULL, iso_pa_sync_confirm_cb, ep->data, NULL, &err, - BT_IO_OPT_SOURCE_BDADDR, - btd_adapter_get_address(ep->data->adapter), - BT_IO_OPT_DEST_BDADDR, - device_get_address(data->device), - BT_IO_OPT_DEST_TYPE, - btd_device_get_bdaddr_type(data->device), - BT_IO_OPT_MODE, BT_IO_MODE_ISO, - BT_IO_OPT_QOS, &qos->bcast, - BT_IO_OPT_ISO_BC_NUM_BIS, iso_bc_addr.bc_num_bis, - BT_IO_OPT_ISO_BC_BIS, iso_bc_addr.bc_bis, - BT_IO_OPT_INVALID); - if (!io) { - error("%s", err->message); + if (!bt_io_bcast_accept(ep->data->listen_io, iso_bcast_confirm_cb, + data, NULL, &err, + BT_IO_OPT_ISO_BC_NUM_BIS, + iso_bc_addr.bc_num_bis, BT_IO_OPT_ISO_BC_BIS, + iso_bc_addr.bc_bis, BT_IO_OPT_INVALID)) { + error("bt_io_bcast_accept: %s", err->message); g_error_free(err); + g_io_channel_shutdown(ep->data->listen_io, TRUE, NULL); } - ep->io = io; - ep->data->listen_io = io; - } + static void bap_create_ucast_io(struct bap_data *data, struct bap_ep *ep, struct bt_bap_stream *stream, int defer) { @@ -1833,9 +2011,6 @@ static void bap_create_bcast_io(struct bap_data *data, struct bap_ep *ep, memset(&iso_qos, 0, sizeof(iso_qos)); - if (!defer) - goto done; - iso_qos.bcast.big = ep->qos.bcast.big; iso_qos.bcast.bis = ep->qos.bcast.bis; iso_qos.bcast.sync_factor = ep->qos.bcast.sync_factor; @@ -1852,9 +2027,9 @@ static void bap_create_bcast_io(struct bap_data *data, struct bap_ep *ep, iso_qos.bcast.timeout = ep->qos.bcast.timeout; memcpy(&iso_qos.bcast.out, &ep->qos.bcast.io_qos, sizeof(struct bt_iso_io_qos)); -done: + if (bt_bap_pac_get_type(ep->lpac) == BT_BAP_BCAST_SOURCE) - bap_connect_io_broadcast(data, ep, stream, &iso_qos); + bap_connect_io_broadcast(data, ep, stream, &iso_qos, defer); else bap_listen_io_broadcast(data, ep, stream, &iso_qos); } @@ -1879,6 +2054,31 @@ static void bap_create_io(struct bap_data *data, struct bap_ep *ep, break; } } +/* + * Function test_linked_streams_state will check if all linked streams + * have the test state. + * If all streams are in test_state returns true; Else returns false + */ +static bool test_linked_streams_state(struct bt_bap_stream *stream, + uint8_t test_state) +{ + const struct queue_entry *entry; + struct bt_bap_stream *linked_stream; + struct queue *links; + + links = bt_bap_stream_io_get_links(stream); + + if (!links) + return true; + + for (entry = queue_get_entries(links); entry; entry = entry->next) { + linked_stream = entry->data; + if (bt_bap_stream_get_state(linked_stream) != test_state) + return false; + } + + return true; +} static void bap_state(struct bt_bap_stream *stream, uint8_t old_state, uint8_t new_state, void *user_data) @@ -1906,15 +2106,26 @@ static void bap_state(struct bt_bap_stream *stream, uint8_t old_state, break; case BT_BAP_STREAM_STATE_CONFIG: if (ep && !ep->id) { - bap_create_io(data, ep, stream, true); - if (!ep->io) { - error("Unable to create io"); - bt_bap_stream_release(stream, NULL, NULL); - return; - } - if (bt_bap_stream_get_type(stream) == + BT_BAP_STREAM_TYPE_BCAST) { + bool defer = !test_linked_streams_state(stream, + BT_BAP_STREAM_STATE_CONFIG); + bap_create_io(data, ep, stream, defer); + if (!ep->io) { + error("Unable to create io"); + bt_bap_stream_release(stream, + NULL, NULL); + return; + } + } else if (bt_bap_stream_get_type(stream) == BT_BAP_STREAM_TYPE_UCAST) { + bap_create_io(data, ep, stream, true); + if (!ep->io) { + error("Unable to create io"); + bt_bap_stream_release(stream, + NULL, NULL); + return; + } /* Wait QoS response to respond */ ep->id = bt_bap_stream_qos(stream, &ep->qos, qos_cb, ep); @@ -2222,6 +2433,12 @@ static int bap_bcast_probe(struct btd_service *service) struct btd_gatt_database *database = btd_adapter_get_database(adapter); struct bap_data *data = btd_service_get_user_data(service); char addr[18]; + GIOChannel *io; + GError *err = NULL; + struct sockaddr_iso_bc iso_bc_addr; + + iso_bc_addr.bc_bis[0] = 1; + iso_bc_addr.bc_num_bis = 1; ba2str(device_get_address(device), addr); @@ -2260,7 +2477,24 @@ static int bap_bcast_probe(struct btd_service *service) bt_bap_set_user_data(data->bap, service); - bt_bap_new_bcast_source(data->bap, device_get_path(device)); + DBG("Create PA sync with source"); + io = bt_io_listen(NULL, iso_pa_sync_confirm_cb, data, NULL, &err, + BT_IO_OPT_SOURCE_BDADDR, + btd_adapter_get_address(data->adapter), + BT_IO_OPT_DEST_BDADDR, + device_get_address(data->device), + BT_IO_OPT_DEST_TYPE, + btd_device_get_bdaddr_type(data->device), + BT_IO_OPT_MODE, BT_IO_MODE_ISO, + BT_IO_OPT_QOS, &default_qos, + BT_IO_OPT_ISO_BC_NUM_BIS, iso_bc_addr.bc_num_bis, + BT_IO_OPT_ISO_BC_BIS, iso_bc_addr.bc_bis, + BT_IO_OPT_INVALID); + if (!io) { + error("%s", err->message); + g_error_free(err); + } + return 0; } diff --git a/src/shared/bap.c b/src/shared/bap.c index d8a3adde6..8ba0320d6 100644 --- a/src/shared/bap.c +++ b/src/shared/bap.c @@ -254,6 +254,8 @@ static struct queue *bap_db; static struct queue *bap_cbs; static struct queue *sessions; +static bool bt_bap_new_bcast_sink(struct bt_bap *bap); + static bool bap_db_match(const void *data, const void *match_data) { const struct bt_bap_db *bdb = data; @@ -1111,7 +1113,8 @@ static struct bt_bap_stream_io *stream_get_io(struct bt_bap_stream *stream) return stream->io; io = NULL; - queue_foreach(stream->links, stream_find_io, &io); + if (bt_bap_stream_get_type(stream) == BT_BAP_STREAM_TYPE_UCAST) + queue_foreach(stream->links, stream_find_io, &io); return io; } @@ -1323,6 +1326,12 @@ static void stream_set_state_broadcast(struct bt_bap_stream *stream, bt_bap_ref(bap); + switch (stream->ep->state) { + case BT_ASCS_ASE_STATE_QOS: + bap_stream_update_io_links(stream); + break; + } + for (entry = queue_get_entries(bap->state_cbs); entry; entry = entry->next) { struct bt_bap_state *state = entry->data; @@ -2357,33 +2366,18 @@ static struct bt_bap_pac *bap_pac_find(struct bt_bap_db *bdb, uint8_t type, return NULL; } -static void *ltv_merge(struct iovec *data, struct iovec *cont) -{ - uint8_t delimiter = 0; - - if (!data) - return NULL; - - if (!cont || !cont->iov_len || !cont->iov_base) - return data->iov_base; - - iov_append(data, sizeof(delimiter), &delimiter); - - return iov_append(data, cont->iov_len, cont->iov_base); -} - static void bap_pac_merge(struct bt_bap_pac *pac, struct iovec *data, struct iovec *metadata) { /* Merge data into existing record */ if (pac->data) - ltv_merge(pac->data, data); + bt_bap_ltv_merge(pac->data, data, true); else pac->data = util_iov_dup(data, 1); /* Merge metadata into existing record */ if (pac->metadata) - ltv_merge(pac->metadata, metadata); + bt_bap_ltv_merge(pac->metadata, metadata, true); else pac->metadata = util_iov_dup(metadata, 1); } @@ -2614,6 +2608,20 @@ static void notify_session_pac_added(void *data, void *user_data) queue_foreach(bap->pac_cbs, notify_pac_added, user_data); } +struct bt_bap_pac *bt_bap_add_vendor_pac_from_pac(struct bt_bap_pac *pac) +{ + struct bt_bap_pac *new_pac; + + new_pac = bt_bap_add_vendor_pac(pac->bdb->db, pac->name, pac->type, + pac->codec.id, + pac->codec.cid, + pac->codec.cid, + &pac->qos, pac->data, + pac->metadata); + bt_bap_pac_set_ops(new_pac, pac->ops, pac->user_data); + return new_pac; +} + struct bt_bap_pac *bt_bap_add_vendor_pac(struct gatt_db *db, const char *name, uint8_t type, uint8_t id, uint16_t cid, uint16_t vid, @@ -2671,7 +2679,7 @@ struct bt_bap_pac *bt_bap_add_pac(struct gatt_db *db, const char *name, struct iovec *metadata) { return bt_bap_add_vendor_pac(db, name, type, id, 0x0000, 0x0000, qos, - data, metadata); + data, metadata); } uint8_t bt_bap_pac_get_type(struct bt_bap_pac *pac) @@ -2701,6 +2709,14 @@ uint32_t bt_bap_pac_get_locations(struct bt_bap_pac *pac) } } +struct iovec *bt_bap_pac_get_data(struct bt_bap_pac *pac) +{ + if (!pac) + return 0x00; + + return pac->data; +} + uint16_t bt_bap_pac_get_supported_context(struct bt_bap_pac *pac) { struct bt_pacs *pacs; @@ -2783,12 +2799,26 @@ static void notify_session_pac_removed(void *data, void *user_data) bool bt_bap_pac_set_ops(struct bt_bap_pac *pac, struct bt_bap_pac_ops *ops, void *user_data) { + const struct queue_entry *entry = NULL; + struct bt_bap_pac *pac_entry; + if (!pac) return false; pac->ops = ops; pac->user_data = user_data; + if (pac->type == BT_BAP_BCAST_SOURCE) { + for (entry = queue_get_entries(pac->bdb->broadcast_sources); + entry != NULL; entry = entry->next) { + pac_entry = entry->data; + if (pac_entry != pac) { + pac_entry->ops = ops; + pac_entry->user_data = user_data; + } + } + } + return true; } @@ -2807,8 +2837,13 @@ static void remove_streams(void *data, void *user_data) struct bt_bap_stream *stream; stream = queue_remove_if(bap->streams, match_stream_lpac, pac); - if (stream) + if (stream) { + /* Mark stream->lpac to NULL, + * as it will be freed in bt_bap_remove_pac + */ + stream->lpac = NULL; bt_bap_stream_release(stream, NULL, NULL); + } } static void bap_pac_sink_removed(void *data, void *user_data) @@ -4471,6 +4506,11 @@ bool bt_bap_pac_bcast_is_local(struct bt_bap *bap, struct bt_bap_pac *pac) return false; } +char *bt_bap_pac_get_name(struct bt_bap_pac *pac) +{ + return pac->name; +} + static bool find_ep_unused(const void *data, const void *user_data) { const struct bt_bap_endpoint *ep = data; @@ -4682,7 +4722,7 @@ struct bt_bap_stream *bt_bap_stream_new(struct bt_bap *bap, return NULL; bt_bap_foreach_pac(bap, type, match_pac, &match); - if (!match.lpac) + if ((!match.lpac) || (!lpac)) return NULL; if (!match.rpac && (lpac->type != BT_BAP_BCAST_SOURCE)) return NULL; @@ -4699,7 +4739,15 @@ struct bt_bap_stream *bt_bap_stream_new(struct bt_bap *bap, 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) { + bt_bap_new_bcast_sink(bap); + ep = queue_find(bap->remote_eps, find_ep_unused, + &match); + if (!ep) { + DBG(bap, "Unable to find unused ASE"); + return NULL; + } + } else if (!ep) { DBG(bap, "Unable to find unused ASE"); return NULL; } @@ -4839,7 +4887,16 @@ static void bap_stream_enable_link(void *data, void *user_data) struct bt_bap_stream *stream = data; struct iovec *metadata = user_data; - bap_stream_metadata(stream, BT_ASCS_ENABLE, metadata, NULL, NULL); + switch (bt_bap_stream_get_type(stream)) { + case BT_BAP_STREAM_TYPE_UCAST: + bap_stream_metadata(stream, BT_ASCS_ENABLE, metadata, + NULL, NULL); + break; + case BT_BAP_STREAM_TYPE_BCAST: + stream_set_state_broadcast(stream, + BT_BAP_STREAM_STATE_CONFIG); + break; + } } unsigned int bt_bap_stream_enable(struct bt_bap_stream *stream, @@ -4866,13 +4923,14 @@ unsigned int bt_bap_stream_enable(struct bt_bap_stream *stream, queue_foreach(stream->links, bap_stream_enable_link, metadata); break; case BT_BAP_STREAM_TYPE_BCAST: - if (!bt_bap_stream_io_dir(stream)) + if (!bt_bap_stream_io_dir(stream)) { stream_set_state_broadcast(stream, - BT_BAP_STREAM_STATE_CONFIG); - else if (bt_bap_stream_io_dir(stream) == BT_BAP_BCAST_SOURCE) + BT_BAP_STREAM_STATE_CONFIG); + queue_foreach(stream->links, bap_stream_enable_link, + NULL); + } else if (bt_bap_stream_io_dir(stream) == BT_BAP_BCAST_SOURCE) stream_set_state_broadcast(stream, BT_BAP_STREAM_STATE_STREAMING); - return 1; } @@ -4933,17 +4991,27 @@ static void bap_stream_disable_link(void *data, void *user_data) struct iovec iov; struct bt_ascs_disable disable; - memset(&disable, 0, sizeof(disable)); + switch (bt_bap_stream_get_type(stream)) { + case BT_BAP_STREAM_TYPE_UCAST: + memset(&disable, 0, sizeof(disable)); - disable.ase = stream->ep->id; + disable.ase = stream->ep->id; - iov.iov_base = &disable; - iov.iov_len = sizeof(disable); + iov.iov_base = &disable; + iov.iov_len = sizeof(disable); - req = bap_req_new(stream, BT_ASCS_DISABLE, &iov, 1, NULL, NULL); + req = bap_req_new(stream, BT_ASCS_DISABLE, &iov, + 1, NULL, NULL); - if (!bap_queue_req(stream->bap, req)) - bap_req_free(req); + if (!bap_queue_req(stream->bap, req)) + bap_req_free(req); + break; + + case BT_BAP_STREAM_TYPE_BCAST: + stream_set_state_broadcast(stream, + BT_BAP_STREAM_STATE_RELEASING); + break; + } } unsigned int bt_bap_stream_disable(struct bt_bap_stream *stream, @@ -5189,7 +5257,8 @@ bool bt_bap_stream_set_io(struct bt_bap_stream *stream, int fd) bap_stream_set_io(stream, INT_TO_PTR(fd)); - queue_foreach(stream->links, bap_stream_set_io, INT_TO_PTR(fd)); + if (bt_bap_stream_get_type(stream) == BT_BAP_STREAM_TYPE_UCAST) + queue_foreach(stream->links, bap_stream_set_io, INT_TO_PTR(fd)); return true; } @@ -5210,6 +5279,23 @@ static bool match_name(const void *data, const void *match_data) return (!strcmp(pac->name, name)); } +void *bt_bap_ltv_merge(struct iovec *data, struct iovec *cont, + bool add_delimiter) +{ + uint8_t delimiter = 0; + + if (!data) + return NULL; + + if (!cont || !cont->iov_len || !cont->iov_base) + return data->iov_base; + + if (add_delimiter) + iov_append(data, sizeof(delimiter), &delimiter); + + return iov_append(data, cont->iov_len, cont->iov_base); +} + int bt_bap_stream_cancel(struct bt_bap_stream *stream, unsigned int id) { struct bt_bap_req *req; @@ -5245,10 +5331,15 @@ int bt_bap_stream_io_link(struct bt_bap_stream *stream, if (queue_find(stream->links, NULL, link)) return -EALREADY; - if (stream->client != link->client || + if (bt_bap_stream_get_type(stream) == BT_BAP_STREAM_TYPE_BCAST) { + if (stream->qos.bcast.big != link->qos.bcast.big) + return -EINVAL; + } else { + if (stream->client != link->client || stream->qos.ucast.cig_id != link->qos.ucast.cig_id || stream->qos.ucast.cis_id != link->qos.ucast.cis_id) - return -EINVAL; + return -EINVAL; + } if (!stream->links) stream->links = queue_new(); @@ -5377,7 +5468,9 @@ int bt_bap_stream_io_connecting(struct bt_bap_stream *stream, int fd) bap_stream_io_connecting(stream, INT_TO_PTR(fd)); - queue_foreach(stream->links, bap_stream_io_connecting, INT_TO_PTR(fd)); + if (bt_bap_stream_get_type(stream) == BT_BAP_STREAM_TYPE_UCAST) + queue_foreach(stream->links, bap_stream_io_connecting, + INT_TO_PTR(fd)); return 0; } @@ -5433,11 +5526,58 @@ bool bt_bap_new_bcast_source(struct bt_bap *bap, const char *name) return true; } +static bool bt_bap_new_bcast_sink(struct bt_bap *bap) +{ + struct bt_bap_endpoint *ep; + + /* Push remote endpoint with direction source */ + ep = bap_endpoint_new_broadcast(bap->ldb, BT_BAP_BCAST_SOURCE); + + if (ep) + queue_push_tail(bap->remote_eps, ep); + + ep->bap = bap; + return true; +} + +static void bis_to_pac(void *data, void *user_data) +{ + struct bt_bap_bis *bis = data; + struct bt_bap_base_subgroup *subgroup = user_data; + struct bt_bap_pac *pac_source_bis; + struct bt_bap_endpoint *ep; + int err = 0; + + bt_bap_ltv_merge(bis->caps, subgroup->caps, false); + pac_source_bis = bap_pac_new(subgroup->bap->rdb, NULL, + BT_BAP_BCAST_SOURCE, &subgroup->codec, NULL, + bis->caps, subgroup->meta); + + err = asprintf(&pac_source_bis->name, "%d", bis->bisIndex); + + if (err < 0) + DBG(subgroup->bap, "error in asprintf"); + + /* Add remote source endpoint */ + if (!subgroup->bap->rdb->broadcast_sources) + subgroup->bap->rdb->broadcast_sources = queue_new(); + queue_push_tail(subgroup->bap->rdb->broadcast_sources, pac_source_bis); + + queue_foreach(subgroup->bap->pac_cbs, notify_pac_added, pac_source_bis); + /* Push remote endpoint with direction sink */ + ep = bap_endpoint_new_broadcast(subgroup->bap->rdb, BT_BAP_BCAST_SINK); + + if (ep) + queue_push_tail(subgroup->bap->remote_eps, ep); +} +static void parse_bis(void *data, void *user_data) +{ + struct bt_bap_base_subgroup *subgroup = data; + + queue_foreach(subgroup->bises, bis_to_pac, subgroup); +} void bt_bap_update_bcast_source(struct bt_bap_pac *pac, - struct bt_bap_codec *codec, - struct iovec *data, - struct iovec *metadata) + struct bt_bap_base *base) { - bap_pac_merge(pac, data, metadata); - pac->codec = *codec; + queue_foreach(base->subgroups, parse_bis, NULL); } diff --git a/src/shared/bap.h b/src/shared/bap.h index 2c8f9208e..ea49b13a4 100644 --- a/src/shared/bap.h +++ b/src/shared/bap.h @@ -97,6 +97,27 @@ struct bt_bap_qos { }; }; +struct bt_bap_base { + uint32_t presDelay; + uint8_t numSubgroups; + struct queue *subgroups; +}; + +struct bt_bap_base_subgroup { + uint8_t subGroupIndex; + struct bt_bap *bap; + uint8_t numBises; + struct bt_bap_codec codec; + struct iovec *caps; + struct iovec *meta; + struct queue *bises; +}; + +struct bt_bap_bis { + uint8_t bisIndex; + 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); @@ -168,6 +189,8 @@ uint8_t bt_bap_pac_get_type(struct bt_bap_pac *pac); uint32_t bt_bap_pac_get_locations(struct bt_bap_pac *pac); +struct iovec *bt_bap_pac_get_data(struct bt_bap_pac *pac); + uint16_t bt_bap_pac_get_supported_context(struct bt_bap_pac *pac); uint16_t bt_bap_pac_get_context(struct bt_bap_pac *pac); @@ -176,6 +199,8 @@ struct bt_bap_pac_qos *bt_bap_pac_get_qos(struct bt_bap_pac *pac); uint8_t bt_bap_stream_get_type(struct bt_bap_stream *stream); +struct bt_bap_pac *bt_bap_add_vendor_pac_from_pac(struct bt_bap_pac *pac); + struct bt_bap_stream *bt_bap_pac_get_stream(struct bt_bap_pac *pac); /* Session related function */ @@ -231,6 +256,7 @@ int bt_bap_pac_get_codec(struct bt_bap_pac *pac, uint8_t *id, void bt_bap_pac_set_user_data(struct bt_bap_pac *pac, void *user_data); void *bt_bap_pac_get_user_data(struct bt_bap_pac *pac); +char *bt_bap_pac_get_name(struct bt_bap_pac *pac); /* Stream related functions */ int bt_bap_select(struct bt_bap_pac *lpac, struct bt_bap_pac *rpac, @@ -314,9 +340,9 @@ bool bt_bap_stream_io_is_connecting(struct bt_bap_stream *stream, int *fd); bool bt_bap_new_bcast_source(struct bt_bap *bap, const char *name); void bt_bap_update_bcast_source(struct bt_bap_pac *pac, - struct bt_bap_codec *codec, - struct iovec *data, - struct iovec *metadata); + struct bt_bap_base *base); +void *bt_bap_ltv_merge(struct iovec *data, struct iovec *cont, + bool add_delimiter); bool bt_bap_pac_bcast_is_local(struct bt_bap *bap, struct bt_bap_pac *pac); diff --git a/unit/test-bap.c b/unit/test-bap.c index adade07db..d308d42f9 100644 --- a/unit/test-bap.c +++ b/unit/test-bap.c @@ -377,11 +377,13 @@ static void test_client_config(struct test_data *data) "test-bap-snk", BT_BAP_SINK, 0x0ff, 0x0001, 0x0001, - NULL, data->caps, NULL); + NULL, data->caps, + NULL); else data->snk = bt_bap_add_pac(data->db, "test-bap-snk", BT_BAP_SINK, LC3_ID, - NULL, data->caps, NULL); + NULL, data->caps, + NULL); g_assert(data->snk); } @@ -391,11 +393,13 @@ static void test_client_config(struct test_data *data) "test-bap-src", BT_BAP_SOURCE, 0x0ff, 0x0001, 0x0001, - NULL, data->caps, NULL); + NULL, data->caps, + NULL); else data->src = bt_bap_add_pac(data->db, "test-bap-src", BT_BAP_SOURCE, LC3_ID, - NULL, data->caps, NULL); + NULL, data->caps, + NULL); g_assert(data->src); } }