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Bluetooth: Add suspend reason for device disconnect

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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>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Abhishek Pandit-Subedi 2020-09-11 14:07:12 -07:00 • committed by Marcel Holtmann
parent 346ce5b7d6
commit f0cfc486f7
2 changed files with 5 additions and 0 deletions
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1
include/net/bluetooth/mgmt.h
View file

@ -842,6 +842,7 @@ struct mgmt_ev_device_connected {
#define MGMT_DEV_DISCONN_LOCAL_HOST 0x02 #define MGMT_DEV_DISCONN_LOCAL_HOST 0x02
#define MGMT_DEV_DISCONN_REMOTE 0x03 #define MGMT_DEV_DISCONN_REMOTE 0x03
#define MGMT_DEV_DISCONN_AUTH_FAILURE 0x04 #define MGMT_DEV_DISCONN_AUTH_FAILURE 0x04
#define MGMT_DEV_DISCONN_LOCAL_HOST_SUSPEND 0x05
#define MGMT_EV_DEVICE_DISCONNECTED 0x000C #define MGMT_EV_DEVICE_DISCONNECTED 0x000C
struct mgmt_ev_device_disconnected { struct mgmt_ev_device_disconnected {

4
net/bluetooth/mgmt.c
View file

@ -8270,6 +8270,10 @@ void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
ev.addr.type = link_to_bdaddr(link_type, addr_type); ev.addr.type = link_to_bdaddr(link_type, addr_type);
ev.reason = reason; 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); mgmt_event(MGMT_EV_DEVICE_DISCONNECTED, hdev, &ev, sizeof(ev), sk);
if (sk) if (sk)