Commit 346ce5b7 authored by Abhishek Pandit-Subedi's avatar Abhishek Pandit-Subedi Committed by Marcel Holtmann
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Bluetooth: Add mgmt suspend and resume events 



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: default avatarAbhishek Pandit-Subedi <abhishekpandit@chromium.org>
Reviewed-by: default avatarMiao-chen Chou <mcchou@chromium.org>
Reviewed-by: default avatarSonny Sasaka <sonnysasaka@chromium.org>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent 6baf8a6a

include/net/bluetooth/hci_core.h

+3 −0
Original line number Diff line number Diff line
@@ -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);

include/net/bluetooth/mgmt.h

+11 −0
Original line number Diff line number Diff line
@@ -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;

net/bluetooth/mgmt.c

+26 −0
Original line number Diff line number Diff line
@@ -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),