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Subject[RESEND PATCH 2/3] Bluetooth: Add suspend reason for device disconnect
Date
Update device disconnect event with reason 0x5 to indicate that device
disconnected because the controller is suspending.

Signed-off-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Reviewed-by: Miao-chen Chou <mcchou@chromium.org>
Reviewed-by: Sonny Sasaka <sonnysasaka@chromium.org>
---

include/net/bluetooth/mgmt.h | 1 +
net/bluetooth/mgmt.c | 4 ++++
2 files changed, 5 insertions(+)

diff --git a/include/net/bluetooth/mgmt.h b/include/net/bluetooth/mgmt.h
index e19e33c7b65c34..a4b8935e0db97a 100644
--- a/include/net/bluetooth/mgmt.h
+++ b/include/net/bluetooth/mgmt.h
@@ -842,6 +842,7 @@ struct mgmt_ev_device_connected {
#define MGMT_DEV_DISCONN_LOCAL_HOST 0x02
#define MGMT_DEV_DISCONN_REMOTE 0x03
#define MGMT_DEV_DISCONN_AUTH_FAILURE 0x04
+#define MGMT_DEV_DISCONN_LOCAL_HOST_SUSPEND 0x05

#define MGMT_EV_DEVICE_DISCONNECTED 0x000C
struct mgmt_ev_device_disconnected {
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 1475a47edb080b..e33f45e20ed1e7 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -8268,6 +8268,10 @@ void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
ev.addr.type = link_to_bdaddr(link_type, addr_type);
ev.reason = reason;

+ /* Report disconnects due to suspend */
+ if (hdev->suspended)
+ ev.reason = MGMT_DEV_DISCONN_LOCAL_HOST_SUSPEND;
+
mgmt_event(MGMT_EV_DEVICE_DISCONNECTED, hdev, &ev, sizeof(ev), sk);

if (sk)
--
2.28.0.618.gf4bc123cb7-goog
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