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Bluetooth: Add support for management powered event 

This patch adds support for the powered event that's used to indicate to
userspace when the powered state of a local adapter changes.

Signed-off-by: Johan Hedberg <johan.hedberg@nokia.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
This commit is contained in:
Johan Hedberg 2010-12-16 10:00:37 +02:00 committed by Gustavo F. Padovan
parent ab81cbf99c
commit 5add6af8fc
4 changed files with 21 additions and 0 deletions
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1
include/net/bluetooth/hci_core.h
View File

@ -673,6 +673,7 @@ void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb);
int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len);
int mgmt_index_added(u16 index);
int mgmt_index_removed(u16 index);
int mgmt_powered(u16 index, u8 powered);
/* HCI info for socket */
#define hci_pi(sk) ((struct hci_pinfo *) sk)

6
include/net/bluetooth/mgmt.h
View File

@ -85,3 +85,9 @@ struct mgmt_ev_index_added {
struct mgmt_ev_index_removed {
__le16 index;
} __packed;
#define MGMT_EV_POWERED 0x0006
struct mgmt_ev_powered {
__le16 index;
__u8 powered;
} __packed;

4
net/bluetooth/hci_core.c
View File

@ -535,6 +535,8 @@ int hci_dev_open(__u16 dev)
hci_dev_hold(hdev);
set_bit(HCI_UP, &hdev->flags);
hci_notify(hdev, HCI_DEV_UP);
if (!test_bit(HCI_SETUP, &hdev->flags))
mgmt_powered(hdev->id, 1);
} else {
/* Init failed, cleanup */
tasklet_kill(&hdev->rx_task);
@ -616,6 +618,8 @@ static int hci_dev_do_close(struct hci_dev *hdev)
* and no tasks are scheduled. */
hdev->close(hdev);
mgmt_powered(hdev->id, 0);
/* Clear flags */
hdev->flags = 0;

10
net/bluetooth/mgmt.c
View File

@ -316,3 +316,13 @@ int mgmt_index_removed(u16 index)
return mgmt_event(MGMT_EV_INDEX_REMOVED, &ev, sizeof(ev));
}
int mgmt_powered(u16 index, u8 powered)
{
struct mgmt_ev_powered ev;
put_unaligned_le16(index, &ev.index);
ev.powered = powered;
return mgmt_event(MGMT_EV_POWERED, &ev, sizeof(ev));
}