From 5add6af8fcbce269cac2457584c0ebfda055474a Mon Sep 17 00:00:00 2001
From: Johan Hedberg <johan.hedberg@nokia.com>
Date: Thu, 16 Dec 2010 10:00:37 +0200
Subject: [PATCH] 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>
---
include/net/bluetooth/hci_core.h | 1 +
include/net/bluetooth/mgmt.h | 6 ++++++
net/bluetooth/hci_core.c | 4 ++++
net/bluetooth/mgmt.c | 10 ++++++++++
4 files changed, 21 insertions(+)
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 75c4f201c1c..32e11b37ef2 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -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)
diff --git a/include/net/bluetooth/mgmt.h b/include/net/bluetooth/mgmt.h
index ca29c1367ff..0ac1520573e 100644
--- a/include/net/bluetooth/mgmt.h
+++ b/include/net/bluetooth/mgmt.h
@@ -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;
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index b22ce9f8bf9..c5a78e797bc 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -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;
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index d479e241a9d..f746e19ebec 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -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));
+}
--
2.20.1