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Bluetooth: Add framework for Microsoft vendor extension

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Micrsoft defined a set for HCI vendor extensions. Check the following
link for details:

https://docs.microsoft.com/en-us/windows-hardware/drivers/bluetooth/microsoft-defined-bluetooth-hci-commands-and-events

This provides the basic framework to enable the extension and read its
supported features. Drivers still have to declare support for this
extension before it can be utilized by the host stack.

Signed-off-by: Miao-chen Chou <mcchou@chromium.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Miao-chen Chou
2020-04-03 21:44:01 +02:00
committed by Johan Hedberg
parent 3d2336042a
commit 145373cb1b
7 changed files with 190 additions and 0 deletions
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13
include/net/bluetooth/hci_core.h
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@@ -484,6 +484,11 @@ struct hci_dev {
struct led_trigger *power_led;
#endif
#if IS_ENABLED(CONFIG_BT_MSFTEXT)
__u16 msft_opcode;
void *msft_data;
#endif
int (*open)(struct hci_dev *hdev);
int (*close)(struct hci_dev *hdev);
int (*flush)(struct hci_dev *hdev);
@@ -1116,6 +1121,14 @@ int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb);
int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb);
__printf(2, 3) void hci_set_hw_info(struct hci_dev *hdev, const char *fmt, ...);
__printf(2, 3) void hci_set_fw_info(struct hci_dev *hdev, const char *fmt, ...);
static inline void hci_set_msft_opcode(struct hci_dev *hdev, __u16 opcode)
{
#if IS_ENABLED(CONFIG_BT_MSFTEXT)
hdev->msft_opcode = opcode;
#endif
}
int hci_dev_open(__u16 dev);
int hci_dev_close(__u16 dev);
int hci_dev_do_close(struct hci_dev *hdev);