Add the controller suspend and resume events, which will signal when
Bluetooth has completed preparing for suspend and when it's ready for
resume.
Signed-off-by: Abhishek Pandit-Subedi <abhishekpandit@xxxxxxxxxxxx>
Reviewed-by: Miao-chen Chou <mcchou@xxxxxxxxxxxx>
Reviewed-by: Sonny Sasaka <sonnysasaka@xxxxxxxxxxxx>
---
Changes in v2:
- Added suspend/resume events to list of mgmt events
include/net/bluetooth/hci_core.h | 3 +++
include/net/bluetooth/mgmt.h | 11 +++++++++++
net/bluetooth/mgmt.c | 26 ++++++++++++++++++++++++++
3 files changed, 40 insertions(+)
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 8caac20556b499..02a6ee056b2374 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -1750,6 +1750,9 @@ void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
u8 addr_type, s8 rssi, u8 *name, u8 name_len);
void mgmt_discovering(struct hci_dev *hdev, u8 discovering);
+void mgmt_suspending(struct hci_dev *hdev, u8 state);
+void mgmt_resuming(struct hci_dev *hdev, u8 reason, bdaddr_t *bdaddr,
+ u8 addr_type);
bool mgmt_powering_down(struct hci_dev *hdev);
void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent);
void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent);
diff --git a/include/net/bluetooth/mgmt.h b/include/net/bluetooth/mgmt.h
index 9ad505b9e694e4..e19e33c7b65c34 100644
--- a/include/net/bluetooth/mgmt.h
+++ b/include/net/bluetooth/mgmt.h
@@ -1030,3 +1030,14 @@ struct mgmt_ev_adv_monitor_added {
struct mgmt_ev_adv_monitor_removed {
__le16 monitor_handle;
} __packed;
+
+#define MGMT_EV_CONTROLLER_SUSPEND 0x002d
+struct mgmt_ev_controller_suspend {
+ __u8 suspend_state;
+} __packed;
+
+#define MGMT_EV_CONTROLLER_RESUME 0x002e
+struct mgmt_ev_controller_resume {
+ __u8 wake_reason;
+ struct mgmt_addr_info addr;
+} __packed;
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index e1d12494d16e14..db48ee3c213cbd 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -163,6 +163,8 @@ static const u16 mgmt_events[] = {
MGMT_EV_PHY_CONFIGURATION_CHANGED,
MGMT_EV_EXP_FEATURE_CHANGED,
MGMT_EV_DEVICE_FLAGS_CHANGED,
+ MGMT_EV_CONTROLLER_SUSPEND,
+ MGMT_EV_CONTROLLER_RESUME,
};
static const u16 mgmt_untrusted_commands[] = {
@@ -8874,6 +8876,30 @@ void mgmt_discovering(struct hci_dev *hdev, u8 discovering)
mgmt_event(MGMT_EV_DISCOVERING, hdev, &ev, sizeof(ev), NULL);
}
+void mgmt_suspending(struct hci_dev *hdev, u8 state)
+{
+ struct mgmt_ev_controller_suspend ev;
+
+ ev.suspend_state = state;
+ mgmt_event(MGMT_EV_CONTROLLER_SUSPEND, hdev, &ev, sizeof(ev), NULL);
+}
+
+void mgmt_resuming(struct hci_dev *hdev, u8 reason, bdaddr_t *bdaddr,
+ u8 addr_type)
+{
+ struct mgmt_ev_controller_resume ev;
+
+ ev.wake_reason = reason;
+ if (bdaddr) {
+ bacpy(&ev.addr.bdaddr, bdaddr);
+ ev.addr.type = addr_type;
+ } else {
+ memset(&ev.addr, 0, sizeof(ev.addr));
+ }
+
+ mgmt_event(MGMT_EV_CONTROLLER_RESUME, hdev, &ev, sizeof(ev), NULL);
+}
+
static struct hci_mgmt_chan chan = {
.channel = HCI_CHANNEL_CONTROL,
.handler_count = ARRAY_SIZE(mgmt_handlers),
--
2.28.0.618.gf4bc123cb7-goog
