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 v3 1/2] Bluetooth: btusb: support link statistics telemetry events
Date: Tue, 13 Apr 2021 18:18:11 +0800 [thread overview]
Message-ID: <20210413101812.323079-1-josephsih@chromium.org> (raw)
From: Chethan T N <chethan.tumkur.narayan@intel.com>
This patch supports the link statistics telemetry events for
Intel controllers
To avoid the overhead, this debug feature is disabled by default.
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 v3:
- fix the long line in the commit message
Changes in v2:
- take care of intel_newgen as well as intel_new
- fix the long lines in mgmt.c
drivers/bluetooth/btintel.c | 20 +++++++++++++++++++-
drivers/bluetooth/btusb.c | 18 ------------------
2 files changed, 19 insertions(+), 19 deletions(-)
diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c
index e44b6993cf91..de1dbdc01e5a 100644
--- a/drivers/bluetooth/btintel.c
+++ b/drivers/bluetooth/btintel.c
@@ -1248,8 +1248,10 @@ EXPORT_SYMBOL_GPL(btintel_read_debug_features);
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, 0x01, 0x00 };
+ u8 trace_enable = 0x02;
struct sk_buff *skb;
if (!features)
@@ -1266,8 +1268,24 @@ 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;
}
EXPORT_SYMBOL_GPL(btintel_set_debug_features);
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 192cb8c191bc..f29946f15f59 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -2811,7 +2811,6 @@ static int btusb_setup_intel_new(struct hci_dev *hdev)
u32 boot_param;
char ddcname[64];
int err;
- struct intel_debug_features features;
BT_DBG("%s", hdev->name);
@@ -2865,14 +2864,6 @@ static int btusb_setup_intel_new(struct hci_dev *hdev)
btintel_load_ddc_config(hdev, ddcname);
}
- /* Read the Intel supported features and if new exception formats
- * supported, need to load the additional DDC config to enable.
- */
- btintel_read_debug_features(hdev, &features);
-
- /* Set DDC mask for available debug features */
- btintel_set_debug_features(hdev, &features);
-
/* Read the Intel version information after loading the FW */
err = btintel_read_version(hdev, &ver);
if (err)
@@ -2911,7 +2902,6 @@ static int btusb_setup_intel_newgen(struct hci_dev *hdev)
u32 boot_param;
char ddcname[64];
int err;
- struct intel_debug_features features;
struct intel_version_tlv version;
bt_dev_dbg(hdev, "");
@@ -2961,14 +2951,6 @@ static int btusb_setup_intel_newgen(struct hci_dev *hdev)
*/
btintel_load_ddc_config(hdev, ddcname);
- /* Read the Intel supported features and if new exception formats
- * supported, need to load the additional DDC config to enable.
- */
- btintel_read_debug_features(hdev, &features);
-
- /* Set DDC mask for available debug features */
- btintel_set_debug_features(hdev, &features);
-
/* Read the Intel version information after loading the FW */
err = btintel_read_version_tlv(hdev, &version);
if (err)
--
2.31.1.295.g9ea45b61b8-goog
next reply other threads:[~2021-04-13 10:18 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-13 10:18 Joseph Hwang [this message]
2021-04-13 10:18 ` [PATCH v3 2/2] Bluetooth: Support the vendor specific debug events Joseph Hwang
2021-04-13 19:03 ` Marcel Holtmann
2021-04-13 18:48 ` [PATCH v3 1/2] Bluetooth: btusb: support link statistics telemetry events Marcel Holtmann
2021-04-13 22:04 ` Luiz Augusto von Dentz
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