This command will remove controller data from EIR and/or AD.
Signed-off-by: Jefferson Delfes <jefferson.delfes@xxxxxxxxxxxxx>
---
include/net/bluetooth/hci_core.h | 1 +
include/net/bluetooth/mgmt.h | 6 ++++++
net/bluetooth/hci_core.c | 16 ++++++++++++++++
net/bluetooth/mgmt.c | 16 ++++++++++++++++
4 files changed, 39 insertions(+)
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 3a61227..5e6b477 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -728,6 +728,7 @@ void hci_conn_del_sysfs(struct hci_conn *conn);
int hci_controller_data_add(struct hci_dev *hdev, u8 flags, u8 data_type,
u8 data_length, u8 *data);
int hci_controller_data_clear(struct hci_dev *hdev);
+int hci_controller_data_remove(struct hci_dev *hdev, u8 data_type);
#define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev))
diff --git a/include/net/bluetooth/mgmt.h b/include/net/bluetooth/mgmt.h
index 1afa399..eda2755 100644
--- a/include/net/bluetooth/mgmt.h
+++ b/include/net/bluetooth/mgmt.h
@@ -361,6 +361,12 @@ struct mgmt_cp_set_controller_data {
} __packed;
#define MGMT_SET_CONTROLLER_DATA_SIZE 3
+#define MGMT_OP_UNSET_CONTROLLER_DATA 0x002A
+struct mgmt_cp_unset_controller_data {
+ __u8 data_type;
+} __packed;
+#define MGMT_UNSET_CONTROLLER_DATA_SIZE 1
+
#define MGMT_EV_CMD_COMPLETE 0x0001
struct mgmt_ev_cmd_complete {
__le16 opcode;
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 2e38a1b..80280fa 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -1471,6 +1471,22 @@ int hci_controller_data_clear(struct hci_dev *hdev)
return 0;
}
+int hci_controller_data_remove(struct hci_dev *hdev, u8 data_type)
+{
+ struct controller_data *match, *n;
+ int matches = 0;
+
+ list_for_each_entry_safe(match, n, &hdev->controller_data, list) {
+ if (data_type == match->data_type) {
+ list_del(&match->list);
+ kfree(match);
+ matches++;
+ }
+ }
+
+ return matches;
+}
+
struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr)
{
struct bdaddr_list *b;
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 9e9702a..51d0e2f 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -2716,6 +2716,21 @@ static int set_controller_data(struct sock *sk, struct hci_dev *hdev,
0);
}
+static int unset_controller_data(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct mgmt_cp_unset_controller_data *cp = data;
+
+ BT_DBG("%s type:0x%02x", hdev->name, cp->data_type);
+
+ hci_dev_lock(hdev);
+ hci_controller_data_remove(hdev, cp->data_type);
+ hci_dev_unlock(hdev);
+
+ return cmd_complete(sk, hdev->id, MGMT_OP_UNSET_CONTROLLER_DATA, 0,
+ NULL, 0);
+}
+
static const struct mgmt_handler {
int (*func) (struct sock *sk, struct hci_dev *hdev, void *data,
u16 data_len);
@@ -2764,6 +2779,7 @@ static const struct mgmt_handler {
{ unblock_device, false, MGMT_UNBLOCK_DEVICE_SIZE },
{ set_device_id, false, MGMT_SET_DEVICE_ID_SIZE },
{ set_controller_data, true, MGMT_SET_CONTROLLER_DATA_SIZE },
+ { unset_controller_data, false, MGMT_UNSET_CONTROLLER_DATA_SIZE },
};
--
1.7.11.4
--
To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
