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From: Joseph Hwang <josephsih@chromium.org>
To: linux-bluetooth@vger.kernel.org, marcel@holtmann.org,
	luiz.dentz@gmail.com, pali@kernel.org
Cc: josephsih@google.com,
	chromeos-bluetooth-upstreaming@chromium.org,
	Chethan T N <chethan.tumkur.narayan@intel.com>,
	Miao-chen Chou <mcchou@chromium.org>, Kiran K <kiran.k@intel.com>,
	Joseph Hwang <josephsih@chromium.org>,
	Johan Hedberg <johan.hedberg@gmail.com>,
	linux-kernel@vger.kernel.org
Subject: [PATCH v7 2/4] Bluetooth: btintel: support link statistics telemetry events
Date: Thu, 12 Aug 2021 17:15:59 +0800	[thread overview]
Message-ID: <20210812171533.v7.2.Ifb35feb49ec588106b256c508259500583582125@changeid> (raw)
In-Reply-To: <20210812171533.v7.1.I41aec59e65ffd3226d368dabeb084af13cc133c8@changeid>

From: Chethan T N <chethan.tumkur.narayan@intel.com>

This patch supports the link statistics telemetry events for
intel controllers

Reviewed-by: Miao-chen Chou <mcchou@chromium.org>
Signed-off-by: Chethan T N <chethan.tumkur.narayan@intel.com>
Signed-off-by: Kiran K <kiran.k@intel.com>
Signed-off-by: Joseph Hwang <josephsih@chromium.org>
---

Changes in v7:
- Rebase on Tedd's patches that moved functionality from btusb to
  btintel.

 drivers/bluetooth/btintel.c | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c
index 0fe093fa5158..643e2194ca01 100644
--- a/drivers/bluetooth/btintel.c
+++ b/drivers/bluetooth/btintel.c
@@ -1285,8 +1285,10 @@ static int btintel_read_debug_features(struct hci_dev *hdev,
 static int btintel_set_debug_features(struct hci_dev *hdev,
 			       const struct intel_debug_features *features)
 {
-	u8 mask[11] = { 0x0a, 0x92, 0x02, 0x07, 0x00, 0x00, 0x00, 0x00,
+	u8 mask[11] = { 0x0a, 0x92, 0x02, 0x7f, 0x00, 0x00, 0x00, 0x00,
 			0x00, 0x00, 0x00 };
+	u8 period[5] = { 0x04, 0x91, 0x02, 0x05, 0x00 };
+	u8 trace_enable = 0x02;
 	struct sk_buff *skb;
 
 	if (!features)
@@ -1303,8 +1305,24 @@ static int btintel_set_debug_features(struct hci_dev *hdev,
 			   PTR_ERR(skb));
 		return PTR_ERR(skb);
 	}
+	kfree_skb(skb);
+
+	skb = __hci_cmd_sync(hdev, 0xfc8b, 5, period, HCI_INIT_TIMEOUT);
+	if (IS_ERR(skb)) {
+		bt_dev_err(hdev, "Setting periodicity for link statistics traces failed (%ld)",
+			   PTR_ERR(skb));
+		return PTR_ERR(skb);
+	}
+	kfree_skb(skb);
 
+	skb = __hci_cmd_sync(hdev, 0xfca1, 1, &trace_enable, HCI_INIT_TIMEOUT);
+	if (IS_ERR(skb)) {
+		bt_dev_err(hdev, "Enable tracing of link statistics events failed (%ld)",
+			   PTR_ERR(skb));
+		return PTR_ERR(skb);
+	}
 	kfree_skb(skb);
+
 	return 0;
 }
 
-- 
2.32.0.605.g8dce9f2422-goog


  reply	other threads:[~2021-08-12  9:16 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-12  9:15 [PATCH v7 1/4] Bluetooth: btusb: disable Intel link statistics telemetry events Joseph Hwang
2021-08-12  9:15 ` Joseph Hwang [this message]
2021-08-12  9:16 ` [PATCH v7 3/4] Bluetooth: set quality report callback for Intel Joseph Hwang
2021-08-12 17:59   ` Luiz Augusto von Dentz
2021-08-12  9:16 ` [PATCH v7 4/4] Bluetooth: Support the quality report events Joseph Hwang
2021-08-12 18:06   ` Luiz Augusto von Dentz
2021-08-12 10:09 ` [v7,1/4] Bluetooth: btusb: disable Intel link statistics telemetry events bluez.test.bot

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