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Commit 5add6af8 authored by Johan Hedberg's avatar Johan Hedberg Committed by Gustavo Padovan
Browse files

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: default avatarJohan Hedberg <johan.hedberg@nokia.com>
Signed-off-by: default avatarGustavo F. Padovan <padovan@profusion.mobi>
parent ab81cbf9

include/net/bluetooth/hci_core.h

+1 −0
Original line number Diff line number Diff line
@@ -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)

include/net/bluetooth/mgmt.h

+6 −0
Original line number Diff line number Diff line
@@ -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;

net/bluetooth/hci_core.c

+4 −0
Original line number Diff line number Diff line
@@ -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;

net/bluetooth/mgmt.c

+10 −0
Original line number Diff line number Diff line
@@ -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));

}