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Bluetooth: Send transport open and close monitor events

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When the core starts or shuts down the actual HCI transport, send a new
monitor event that indicates that this is happening. These new events
correspond to HCI_DEV_OPEN and HCI_DEV_CLOSE events.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Marcel Holtmann 2015-10-04 23:34:03 +02:00 committed by Johan Hedberg
parent e9ca8bf157
commit 22db3cbcf9
2 changed files with 28 additions and 0 deletions
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2
include/net/bluetooth/hci_mon.h
View File

@ -39,6 +39,8 @@ struct hci_mon_hdr {
#define HCI_MON_ACL_RX_PKT 5
#define HCI_MON_SCO_TX_PKT 6
#define HCI_MON_SCO_RX_PKT 7
#define HCI_MON_OPEN_INDEX 8
#define HCI_MON_CLOSE_INDEX 9
struct hci_mon_new_index {
__u8 type;

26
net/bluetooth/hci_sock.c
View File

@ -329,6 +329,22 @@ static struct sk_buff *create_monitor_event(struct hci_dev *hdev, int event)
opcode = cpu_to_le16(HCI_MON_DEL_INDEX);
break;
case HCI_DEV_OPEN:
skb = bt_skb_alloc(0, GFP_ATOMIC);
if (!skb)
return NULL;
opcode = cpu_to_le16(HCI_MON_OPEN_INDEX);
break;
case HCI_DEV_CLOSE:
skb = bt_skb_alloc(0, GFP_ATOMIC);
if (!skb)
return NULL;
opcode = cpu_to_le16(HCI_MON_CLOSE_INDEX);
break;
default:
return NULL;
}
@ -358,6 +374,16 @@ static void send_monitor_replay(struct sock *sk)
if (sock_queue_rcv_skb(sk, skb))
kfree_skb(skb);
if (!test_bit(HCI_RUNNING, &hdev->flags))
continue;
skb = create_monitor_event(hdev, HCI_DEV_OPEN);
if (!skb)
continue;
if (sock_queue_rcv_skb(sk, skb))
kfree_skb(skb);
}
read_unlock(&hci_dev_list_lock);