linux-kernel - [PATCH 0/1] Bluetooth: mgmt: Add command for getting device IO capabilities.

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Message-ID: <20240210222226.890031-1-vibhavp@gmail.com>
Date: Sun, 11 Feb 2024 03:52:25 +0530
From: Vibhav Pant <vibhavp@...il.com>
To: linux-bluetooth@...r.kernel.org
Cc: marcel@...tmann.org,
	johan.hedberg@...il.com,
	linux-kernel@...r.kernel.org,
	Vibhav Pant <vibhavp@...il.com>
Subject: [PATCH 0/1] Bluetooth: mgmt: Add command for getting device IO capabilities.

The following patch adds a new command to the bluetooth management interface,
GET_DEVICE_IO_CAPABILITY. The command allows userspace to get the IO capability,
and the authentication methods supported by a connected device. The command is
necessary in order to implement parts of the Win32 Bluetooth API in the Wine,
specifically the following two structs:

* BLUETOOTH_AUTHENTICATION_CALLBACK_PARAMS, which provides IO and auth capabilities
info for an incoming authentication request from a device.

* BTH_DEVICE_INFO, which contains flags indicating whether the device supports
Simple Secure Pairing and MITM protection. The former is supported through BlueZ's
"LegacyPairing" property.

Because the Wine API are implemented on top of BlueZ, I'll also be providing a
corresponding patch that uses the newly added management command to expose the
capabilities through new properties in the org.bluez.Device1 interface.

Thanks,
Vibhav

Vibhav Pant (1):
  Bluetooth: mgmt: Add command for getting device IO capabilities.

 include/net/bluetooth/mgmt.h | 19 ++++++++
 net/bluetooth/mgmt.c         | 89 ++++++++++++++++++++++++++++++++++++
 2 files changed, 108 insertions(+)

-- 
2.43.0