Linux-Bluetooth Archive on lore.kernel.org
 help / color / Atom feed
From: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
To: marcel@holtmann.org, luiz.dentz@gmail.com
Cc: chromeos-bluetooth-upstreaming@chromium.org,
	linux-bluetooth@vger.kernel.org,
	Abhishek Pandit-Subedi <abhishekpandit@chromium.org>,
	Miao-chen Chou <mcchou@chromium.org>,
	Sonny Sasaka <sonnysasaka@chromium.org>,
	"David S. Miller" <davem@davemloft.net>,
	Johan Hedberg <johan.hedberg@gmail.com>,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	Jakub Kicinski <kuba@kernel.org>
Subject: [PATCH 1/3] Bluetooth: Add mgmt suspend and resume events
Date: Tue, 28 Jul 2020 18:42:23 -0700
Message-ID: <20200728184205.1.I1b721ef9da5c79d8515018d806801da4eacaf563@changeid> (raw)
In-Reply-To: <20200729014225.1842177-1-abhishekpandit@chromium.org>

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@chromium.org>
Reviewed-by: Miao-chen Chou <mcchou@chromium.org>
Reviewed-by: Sonny Sasaka <sonnysasaka@chromium.org>
---

 include/net/bluetooth/hci_core.h |  3 +++
 include/net/bluetooth/mgmt.h     | 11 +++++++++++
 net/bluetooth/mgmt.c             | 24 ++++++++++++++++++++++++
 3 files changed, 38 insertions(+)

diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index bee1b4778ccc96..1b336e6ebe66aa 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -1747,6 +1747,9 @@ 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 beae5c3980f03b..d9a88cab379555 100644
--- a/include/net/bluetooth/mgmt.h
+++ b/include/net/bluetooth/mgmt.h
@@ -1028,3 +1028,14 @@ 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 f45105d2de7722..1c89ae819207ac 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -8730,6 +8730,30 @@ 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.rc0.142.g3c755180ce-goog


  reply index

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-29  1:42 [PATCH 0/3] Bluetooth: Emit events for suspend/resume Abhishek Pandit-Subedi
2020-07-29  1:42 ` Abhishek Pandit-Subedi [this message]
2020-07-29  1:42 ` [PATCH 2/3] Bluetooth: Add suspend reason for device disconnect Abhishek Pandit-Subedi
2020-07-29  1:42 ` [PATCH 3/3] Bluetooth: Emit controller suspend and resume events Abhishek Pandit-Subedi
2020-08-04 17:11 ` [PATCH 0/3] Bluetooth: Emit events for suspend/resume Abhishek Pandit-Subedi
2020-08-18 23:34   ` Abhishek Pandit-Subedi
2020-09-11  7:20 ` Marcel Holtmann

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200728184205.1.I1b721ef9da5c79d8515018d806801da4eacaf563@changeid \
    --to=abhishekpandit@chromium.org \
    --cc=chromeos-bluetooth-upstreaming@chromium.org \
    --cc=davem@davemloft.net \
    --cc=johan.hedberg@gmail.com \
    --cc=kuba@kernel.org \
    --cc=linux-bluetooth@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=luiz.dentz@gmail.com \
    --cc=marcel@holtmann.org \
    --cc=mcchou@chromium.org \
    --cc=netdev@vger.kernel.org \
    --cc=sonnysasaka@chromium.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

Linux-Bluetooth Archive on lore.kernel.org

Archives are clonable:
	git clone --mirror https://lore.kernel.org/linux-bluetooth/0 linux-bluetooth/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 linux-bluetooth linux-bluetooth/ https://lore.kernel.org/linux-bluetooth \
		linux-bluetooth@vger.kernel.org
	public-inbox-index linux-bluetooth

Example config snippet for mirrors

Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.kernel.vger.linux-bluetooth


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git