linux-kernel - [PATCH v5 0/5] MSFT offloading support for advertisement monitor

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Date:   Tue, 22 Dec 2020 18:26:24 +0800
From:   Archie Pusaka <apusaka@...gle.com>
To:     linux-bluetooth <linux-bluetooth@...r.kernel.org>,
        Marcel Holtmann <marcel@...tmann.org>
Cc:     CrosBT Upstreaming <chromeos-bluetooth-upstreaming@...omium.org>,
        Archie Pusaka <apusaka@...omium.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Johan Hedberg <johan.hedberg@...il.com>,
        Luiz Augusto von Dentz <luiz.dentz@...il.com>,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: [PATCH v5 0/5] MSFT offloading support for advertisement monitor

From: Archie Pusaka <apusaka@...omium.org>

Hi linux-bluetooth,

This series of patches manages the hardware offloading part of MSFT
extension API. The full documentation can be accessed by this link:
https://docs.microsoft.com/en-us/windows-hardware/drivers/bluetooth/microsoft-defined-bluetooth-hci-commands-and-events

Only four of the HCI commands are planned to be implemented:
HCI_VS_MSFT_Read_Supported_Features (implemented in previous patch),
HCI_VS_MSFT_LE_Monitor_Advertisement,
HCI_VS_MSFT_LE_Cancel_Monitor_Advertisement, and
HCI_VS_MSFT_LE_Set_Advertisement_Filter_Enable.
These are the commands which would be used for advertisement monitor
feature. Only if the controller supports the MSFT extension would
these commands be sent. Otherwise, software-based monitoring would be
performed in the user space instead.

Thanks in advance for your feedback!

Archie

Changes in v5:
* Discard struct flags on msft_data and use it's members directly

Changes in v4:
* Change the logic of merging add_adv_patterns_monitor with rssi
* Aligning variable declaration on mgmt.h
* Replacing the usage of BT_DBG with bt_dev_dbg

Changes in v3:
* Flips the order of rssi and pattern_count on mgmt struct
* Fix return type of msft_remove_monitor

Changes in v2:
* Add a new opcode instead of modifying an existing one
* Also implement the new MGMT opcode and merge the functionality with
  the old one.

Archie Pusaka (5):
  Bluetooth: advmon offload MSFT add rssi support
  Bluetooth: advmon offload MSFT add monitor
  Bluetooth: advmon offload MSFT remove monitor
  Bluetooth: advmon offload MSFT handle controller reset
  Bluetooth: advmon offload MSFT handle filter enablement

 include/net/bluetooth/hci_core.h |  34 ++-
 include/net/bluetooth/mgmt.h     |  16 ++
 net/bluetooth/hci_core.c         | 174 +++++++++---
 net/bluetooth/mgmt.c             | 391 +++++++++++++++++++-------
 net/bluetooth/msft.c             | 453 ++++++++++++++++++++++++++++++-
 net/bluetooth/msft.h             |  27 ++
 6 files changed, 963 insertions(+), 132 deletions(-)

-- 
2.29.2.729.g45daf8777d-goog