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Bluetooth: btintel: Add support for enabling tracing functionality

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For Intel controllers with firmware that allows tracing of baseband
functionality this allows enabling it via set_diag driver callback.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Marcel Holtmann
2015-10-09 14:42:08 +02:00
parent 9d08f50401
commit 6d2e50d240
4 changed files with 40 additions and 0 deletions
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32
drivers/bluetooth/btintel.c
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@@ -91,6 +91,38 @@ int btintel_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
}
EXPORT_SYMBOL_GPL(btintel_set_bdaddr);
int btintel_set_diag(struct hci_dev *hdev, bool enable)
{
struct sk_buff *skb;
u8 param[3];
int err;
if (!test_bit(HCI_RUNNING, &hdev->flags))
return -ENETDOWN;
if (enable) {
param[0] = 0x03;
param[1] = 0x03;
param[2] = 0x03;
} else {
param[0] = 0x00;
param[1] = 0x00;
param[2] = 0x00;
}
skb = __hci_cmd_sync(hdev, 0xfc43, 3, param, HCI_INIT_TIMEOUT);
if (IS_ERR(skb)) {
err = PTR_ERR(skb);
BT_ERR("%s: Changing Intel diagnostic mode failed (%d)",
hdev->name, err);
return err;
}
kfree_skb(skb);
return 0;
}
EXPORT_SYMBOL_GPL(btintel_set_diag);
void btintel_hw_error(struct hci_dev *hdev, u8 code)
{
struct sk_buff *skb;