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authorMarcel Holtmann <marcel@holtmann.org>2015-10-04 23:34:00 +0200
committerJohan Hedberg <johan.hedberg@intel.com>2015-10-05 09:29:36 +0200
commit4a3f95b7b62e50a1e42e42ba6571ec9e747f4861 (patch)
tree389fe2e01e2c50619c7fa99bea5b0420702a1f59
parentBluetooth: Limit userspace exposure of stack internal events (diff)
downloadlinux-4a3f95b7b62e50a1e42e42ba6571ec9e747f4861.tar.xz
linux-4a3f95b7b62e50a1e42e42ba6571ec9e747f4861.zip
Bluetooth: Introduce HCI_DEV_OPEN and HCI_DEV_CLOSE events
When opening the HCI transport via hdev->open send HCI_DEV_OPEN event and when closing the HCI transport via hdev->close send HCI_DEV_CLOSE. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
-rw-r--r--include/net/bluetooth/hci.h2
-rw-r--r--net/bluetooth/hci_core.c6
2 files changed, 8 insertions, 0 deletions
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 7ca6690355ea..e7f938cac7c6 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -44,6 +44,8 @@
#define HCI_DEV_DOWN 4
#define HCI_DEV_SUSPEND 5
#define HCI_DEV_RESUME 6
+#define HCI_DEV_OPEN 7
+#define HCI_DEV_CLOSE 8
/* HCI notify events */
#define HCI_NOTIFY_CONN_ADD 1
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 79356469c377..5af33c87cbba 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -1385,6 +1385,8 @@ static int hci_dev_do_open(struct hci_dev *hdev)
goto done;
}
+ hci_notify(hdev, HCI_DEV_OPEN);
+
atomic_set(&hdev->cmd_cnt, 1);
set_bit(HCI_INIT, &hdev->flags);
@@ -1466,6 +1468,8 @@ static int hci_dev_do_open(struct hci_dev *hdev)
hdev->sent_cmd = NULL;
}
+ hci_notify(hdev, HCI_DEV_CLOSE);
+
hdev->close(hdev);
hdev->flags &= BIT(HCI_RAW);
}
@@ -1649,6 +1653,8 @@ int hci_dev_do_close(struct hci_dev *hdev)
hdev->sent_cmd = NULL;
}
+ hci_notify(hdev, HCI_DEV_CLOSE);
+
/* After this point our queues are empty
* and no tasks are scheduled. */
hdev->close(hdev);