Bluetooth: Add dev_flags to struct hci_dev

This patch adds the dev_flags field to struct hci_dev. This new
flags variable should be used to define flags related to BR/EDR
and/or LE controller itself. It should be used to define flags
which represents states from the controller. The dev_flags is
cleared in case the controller sends a Reset Command Complete
Event to the host.

Also, this patch adds the HCI_LE_SCAN flag which was created to
track if the controller is performing LE scan or not. The flag
is set/cleared when the controller starts/stops scanning.

This is an initial effort to stop using hdev->flags to define
internal flags since it is exported to userspace by an ioctl.

Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

1 files changed, 6 insertions, 0 deletions

diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index ab4922831b9a..acbdfbeeb920 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -194,6 +194,8 @@ static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
         clear_bit(HCI_RESET, &hdev->flags);
 
         hci_req_complete(hdev, HCI_OP_RESET, status);
+
+        hdev->dev_flags = 0;
 }
 
 static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
@@ -1006,12 +1008,16 @@ static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
                 return;
 
         if (cp->enable == 0x01) {
+                set_bit(HCI_LE_SCAN, &hdev->dev_flags);
+
                 del_timer(&hdev->adv_timer);
 
                 hci_dev_lock(hdev);
                 hci_adv_entries_clear(hdev);
                 hci_dev_unlock(hdev);
         } else if (cp->enable == 0x00) {
+                clear_bit(HCI_LE_SCAN, &hdev->dev_flags);
+
                 mod_timer(&hdev->adv_timer, jiffies + ADV_CLEAR_TIMEOUT);
         }
 }