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(071-047-239-151.res.spectrum.com. [71.47.239.151]) by smtp.gmail.com with ESMTPSA id bz9-20020a05690c084900b005ecd8995666sm9631765ywb.59.2024.01.04.09.55.31 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 04 Jan 2024 09:55:31 -0800 (PST) From: Luiz Augusto von Dentz To: linux-bluetooth@vger.kernel.org Subject: [PATCH BlueZ v1] client/player: Adjust the SDU size based on the number of locations Date: Thu, 4 Jan 2024 12:55:30 -0500 Message-ID: <20240104175530.4011031-1-luiz.dentz@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Luiz Augusto von Dentz If there are multiple locations, aka. multiplexing, being selected then that should be accounted properly on the SDU size since the presets only account for just 1 channel. Fixes: https://github.com/bluez/bluez/issues/662 --- client/player.c | 30 ++++++++++++++++++++---------- 1 file changed, 20 insertions(+), 10 deletions(-) diff --git a/client/player.c b/client/player.c index 92fc91f920f3..dad243786a39 100644 --- a/client/player.c +++ b/client/player.c @@ -1860,7 +1860,7 @@ struct endpoint_config { struct iovec *caps; struct iovec *meta; uint8_t target_latency; - const struct codec_qos *qos; + struct codec_qos qos; }; #define BCODE {0x01, 0x02, 0x68, 0x05, 0x53, 0xf1, 0x41, 0x5a, \ @@ -1886,7 +1886,7 @@ static struct bt_iso_qos bcast_qos = { static void append_io_qos(DBusMessageIter *iter, struct endpoint_config *cfg) { - struct codec_qos *qos = (void *)cfg->qos; + struct codec_qos *qos = &cfg->qos; bt_shell_printf("Interval %u\n", qos->interval); @@ -1897,7 +1897,7 @@ static void append_io_qos(DBusMessageIter *iter, struct endpoint_config *cfg) g_dbus_dict_append_entry(iter, "PHY", DBUS_TYPE_BYTE, &qos->phy); - bt_shell_printf("SDU %u\n", cfg->qos->sdu); + bt_shell_printf("SDU %u\n", qos->sdu); g_dbus_dict_append_entry(iter, "SDU", DBUS_TYPE_UINT16, &qos->sdu); @@ -1914,7 +1914,7 @@ static void append_io_qos(DBusMessageIter *iter, struct endpoint_config *cfg) static void append_ucast_qos(DBusMessageIter *iter, struct endpoint_config *cfg) { - struct codec_qos *qos = (void *)cfg->qos; + struct codec_qos *qos = &cfg->qos; if (cfg->ep->iso_group != BT_ISO_QOS_GROUP_UNSET) { bt_shell_printf("CIG 0x%2.2x\n", cfg->ep->iso_group); @@ -2020,7 +2020,7 @@ static void append_bcast_qos(DBusMessageIter *iter, struct endpoint_config *cfg) static void append_qos(DBusMessageIter *iter, struct endpoint_config *cfg) { DBusMessageIter entry, var, dict; - struct codec_qos *qos = (void *)cfg->qos; + struct codec_qos *qos = &cfg->qos; const char *key = "QoS"; if (!qos) @@ -2104,7 +2104,8 @@ static struct iovec *iov_append(struct iovec **iov, const void *data, return *iov; } -static int parse_chan_alloc(DBusMessageIter *iter, uint32_t *location) +static int parse_chan_alloc(DBusMessageIter *iter, uint32_t *location, + uint8_t *channels) { while (dbus_message_iter_get_arg_type(iter) == DBUS_TYPE_DICT_ENTRY) { const char *key; @@ -2123,6 +2124,8 @@ static int parse_chan_alloc(DBusMessageIter *iter, uint32_t *location) if (var != DBUS_TYPE_UINT32) return -EINVAL; dbus_message_iter_get_basic(&value, location); + if (*channels) + *channels = __builtin_popcount(*location); return 0; } @@ -2140,6 +2143,7 @@ static DBusMessage *endpoint_select_properties_reply(struct endpoint *ep, DBusMessageIter iter, props; struct endpoint_config *cfg; uint32_t location = 0; + uint8_t channels = 1; if (!preset) return NULL; @@ -2158,7 +2162,7 @@ static DBusMessage *endpoint_select_properties_reply(struct endpoint *ep, dbus_message_iter_init(msg, &iter); dbus_message_iter_recurse(&iter, &props); - if (!parse_chan_alloc(&props, &location)) { + if (!parse_chan_alloc(&props, &location, &channels)) { uint8_t chan_alloc_ltv[] = { 0x05, LC3_CONFIG_CHAN_ALLOC, location & 0xff, location >> 8, location >> 16, location >> 24 @@ -2171,9 +2175,15 @@ static DBusMessage *endpoint_select_properties_reply(struct endpoint *ep, if (ep->meta) iov_append(&cfg->meta, ep->meta->iov_base, ep->meta->iov_len); - if (preset->qos.phy) + if (preset->qos.phy) { /* Set QoS parameters */ - cfg->qos = &preset->qos; + cfg->qos = preset->qos; + /* Adjust the SDU size based on the number of + * locations/channels that is being requested. + */ + if (channels > 1) + cfg->qos.sdu *= channels; + } dbus_message_iter_init_append(reply, &iter); @@ -3177,7 +3187,7 @@ static void cmd_config_endpoint(int argc, char *argv[]) } /* Set QoS parameters */ - cfg->qos = &preset->qos; + cfg->qos = preset->qos; endpoint_set_config(cfg); return;