[PATCH v2 BlueZ 3/7] adapter: Add support for setting ISO Socket experimental feature

Luiz Augusto von Dentz
2022-05-06T22:18:25Z

This adds support for setting ISO Socket experimental UUID which
enables the use of BTPROTO_ISO on the system.
---
src/adapter.c | 42 ++++++++++++++++++++++++++++++++++++++++++
src/main.c | 1 +
src/main.conf | 1 +
3 files changed, 44 insertions(+)

diff --git a/src/adapter.c b/src/adapter.c
index db2624c60..1ede58494 100644
--- a/src/adapter.c
+++ b/src/adapter.c
@@ -141,6 +141,13 @@ static const struct mgmt_exp_uuid codec_offload_uuid = {
.str = "a6695ace-ee7f-4fb9-881a-5fac66c629af"
};

+/* 6fbaf188-05e0-496a-9885-d6ddfdb4e03e */
+static const struct mgmt_exp_uuid iso_socket_uuid = {
+ .val = { 0x3e, 0xe0, 0xb4, 0xfd, 0xdd, 0xd6, 0x85, 0x98,
+ 0x6a, 0x49, 0xe0, 0x05, 0x88, 0xf1, 0xba, 0x6f },
+ .str = "6fbaf188-05e0-496a-9885-d6ddfdb4e03e"
+};
+
static DBusConnection *dbus_conn = NULL;

static uint32_t kernel_features = 0;
@@ -9691,6 +9698,40 @@ static void codec_offload_func(struct btd_adapter *adapter, uint8_t action)
btd_error(adapter->dev_id, "Failed to set Codec Offload");
}

+static void iso_socket_complete(uint8_t status, uint16_t len,
+ const void *param, void *user_data)
+{
+ struct btd_adapter *adapter = user_data;
+ uint8_t action = btd_opts.experimental ? 0x01 : 0x00;
+
+ if (status != 0) {
+ error("Set ISO Socket failed with status 0x%02x (%s)",
+ status, mgmt_errstr(status));
+ return;
+ }
+
+ DBG("ISO Socket successfully set");
+
+ if (action)
+ queue_push_tail(adapter->exps, (void *)iso_socket_uuid.val);
+}
+
+static void iso_socket_func(struct btd_adapter *adapter, uint8_t action)
+{
+ struct mgmt_cp_set_exp_feature cp;
+
+ memset(&cp, 0, sizeof(cp));
+ memcpy(cp.uuid, iso_socket_uuid.val, 16);
+ cp.action = action;
+
+ if (mgmt_send(adapter->mgmt, MGMT_OP_SET_EXP_FEATURE,
+ MGMT_INDEX_NONE, sizeof(cp), &cp,
+ iso_socket_complete, adapter, NULL) > 0)
+ return;
+
+ btd_error(adapter->dev_id, "Failed to set ISO Socket");
+}
+
static const struct exp_feat {
const struct mgmt_exp_uuid *uuid;
void (*func)(struct btd_adapter *adapter, uint8_t action);
@@ -9701,6 +9742,7 @@ static const struct exp_feat {
EXP_FEAT(&quality_report_uuid, quality_report_func),
EXP_FEAT(&rpa_resolution_uuid, rpa_resolution_func),
EXP_FEAT(&codec_offload_uuid, codec_offload_func),
+ EXP_FEAT(&iso_socket_uuid, iso_socket_func),
};

static void read_exp_features_complete(uint8_t status, uint16_t length,
diff --git a/src/main.c b/src/main.c
index 12cc21372..011d66d5a 100644
--- a/src/main.c
+++ b/src/main.c
@@ -606,6 +606,7 @@ static const char *valid_uuids[] = {
"15c0a148-c273-11ea-b3de-0242ac130004",
"330859bc-7506-492d-9370-9a6f0614037f",
"a6695ace-ee7f-4fb9-881a-5fac66c629af",
+ "6fbaf188-05e0-496a-9885-d6ddfdb4e03e",
"*"
};

diff --git a/src/main.conf b/src/main.conf
index 91b98b8c4..9d0319318 100644
--- a/src/main.conf
+++ b/src/main.conf
@@ -120,6 +120,7 @@
# 15c0a148-c273-11ea-b3de-0242ac130004 (BlueZ Experimental LL privacy)
# 330859bc-7506-492d-9370-9a6f0614037f (BlueZ Experimental Bluetooth Quality Report)
# a6695ace-ee7f-4fb9-881a-5fac66c629af (BlueZ Experimental Offload Codecs)
+# 6fbaf188-05e0-496a-9885-d6ddfdb4e03e (BlueZ Experimental ISO socket)
# Defaults to false.
#Experimental = false

--
2.35.1