[PATCH v7 2/4] Bluetooth: btintel: support link statistics telemetry events
From: Joseph Hwang <hidden>
Date: 2021-08-12 09:16:21
Also in:
lkml
Subsystem:
bluetooth drivers, the rest · Maintainers:
Marcel Holtmann, Luiz Augusto von Dentz, Linus Torvalds
From: Chethan T N <redacted> This patch supports the link statistics telemetry events for intel controllers Reviewed-by: Miao-chen Chou <redacted> Signed-off-by: Chethan T N <redacted> Signed-off-by: Kiran K <redacted> Signed-off-by: Joseph Hwang <redacted> --- 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