The Read Controller Configuration Information command allows retrieving
details about possible configurations option. The supported options are
returned and also the missing options (if any).
Signed-off-by: Marcel Holtmann <marcel@xxxxxxxxxxxx>
---
include/net/bluetooth/mgmt.h | 11 +++++++++++
net/bluetooth/mgmt.c | 28 ++++++++++++++++++++++++++++
2 files changed, 39 insertions(+)
diff --git a/include/net/bluetooth/mgmt.h b/include/net/bluetooth/mgmt.h
index e0786cfa5490..0579eb3952e3 100644
--- a/include/net/bluetooth/mgmt.h
+++ b/include/net/bluetooth/mgmt.h
@@ -97,6 +97,7 @@ struct mgmt_rp_read_index_list {
#define MGMT_SETTING_SECURE_CONN 0x00000800
#define MGMT_SETTING_DEBUG_KEYS 0x00001000
#define MGMT_SETTING_PRIVACY 0x00002000
+#define MGMT_SETTING_CONFIGURATION 0x00004000
#define MGMT_OP_READ_INFO 0x0004
#define MGMT_READ_INFO_SIZE 0
@@ -471,6 +472,16 @@ struct mgmt_rp_read_unconf_index_list {
__le16 index[0];
} __packed;
+#define MGMT_OPTION_PUBLIC_ADDRESS 0x00000001
+
+#define MGMT_OP_READ_CONFIG_INFO 0x0037
+#define MGMT_READ_CONFIG_INFO_SIZE 0
+struct mgmt_rp_read_config_info {
+ __le16 manufacturer;
+ __le32 supported_options;
+ __le32 missing_options;
+} __packed;
+
#define MGMT_EV_CMD_COMPLETE 0x0001
struct mgmt_ev_cmd_complete {
__le16 opcode;
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 59ca4057955c..474b6dcdf665 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -90,6 +90,7 @@ static const u16 mgmt_commands[] = {
MGMT_OP_REMOVE_DEVICE,
MGMT_OP_LOAD_CONN_PARAM,
MGMT_OP_READ_UNCONF_INDEX_LIST,
+ MGMT_OP_READ_CONFIG_INFO,
};
static const u16 mgmt_events[] = {
@@ -440,6 +441,29 @@ static int read_unconf_index_list(struct sock *sk, struct hci_dev *hdev,
return err;
}
+static int read_config_info(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 data_len)
+{
+ struct mgmt_rp_read_config_info rp;
+
+ BT_DBG("sock %p %s", sk, hdev->name);
+
+ hci_dev_lock(hdev);
+
+ memset(&rp, 0, sizeof(rp));
+ rp.manufacturer = cpu_to_le16(hdev->manufacturer);
+ if (hdev->set_bdaddr)
+ rp.supported_options = cpu_to_le32(MGMT_OPTION_PUBLIC_ADDRESS);
+ else
+ rp.supported_options = cpu_to_le32(0);
+ rp.missing_options = cpu_to_le32(0);
+
+ hci_dev_unlock(hdev);
+
+ return cmd_complete(sk, hdev->id, MGMT_OP_READ_CONFIG_INFO, 0, &rp,
+ sizeof(rp));
+}
+
static u32 get_supported_settings(struct hci_dev *hdev)
{
u32 settings = 0;
@@ -472,6 +496,9 @@ static u32 get_supported_settings(struct hci_dev *hdev)
settings |= MGMT_SETTING_PRIVACY;
}
+ if (hdev->set_bdaddr)
+ settings |= MGMT_SETTING_CONFIGURATION;
+
return settings;
}
@@ -5371,6 +5398,7 @@ static const struct mgmt_handler {
{ remove_device, false, MGMT_REMOVE_DEVICE_SIZE },
{ load_conn_param, true, MGMT_LOAD_CONN_PARAM_SIZE },
{ read_unconf_index_list, false, MGMT_READ_UNCONF_INDEX_LIST_SIZE },
+ { read_config_info, false, MGMT_READ_CONFIG_INFO_SIZE },
};
int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen)
--
1.9.3
--
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