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Sven Peter ad38e55e1c Bluetooth: hci_event: Ignore reserved bits in LE Extended Adv Report 
Broadcom controllers present on Apple Silicon devices use the upper
8 bits of the event type in the LE Extended Advertising Report for
the channel on which the frame has been received.
These bits are reserved according to the Bluetooth spec anyway such that
we can just drop them to ensure that the advertising results are parsed
correctly.

The following excerpt from a btmon trace shows a report received on
channel 37 by these controllers:

> HCI Event: LE Meta Event (0x3e) plen 55
      LE Extended Advertising Report (0x0d)
        Num reports: 1
        Entry 0
          Event type: 0x2513
            Props: 0x0013
              Connectable
              Scannable
              Use legacy advertising PDUs
            Data status: Complete
            Reserved (0x2500)
          Legacy PDU Type: Reserved (0x2513)
          Address type: Public (0x00)
          Address: XX:XX:XX:XX:XX:XX (Shenzhen Jingxun Software [...])
          Primary PHY: LE 1M
          Secondary PHY: No packets
          SID: no ADI field (0xff)
          TX power: 127 dBm
          RSSI: -76 dBm (0xb4)
          Periodic advertising interval: 0.00 msec (0x0000)
          Direct address type: Public (0x00)
          Direct address: 00:00:00:00:00:00 (OUI 00-00-00)
          Data length: 0x1d
          [...]
        Flags: 0x18
          Simultaneous LE and BR/EDR (Controller)
          Simultaneous LE and BR/EDR (Host)
        Company: Harman International Industries, Inc. (87)
          Data: [...]
        Service Data (UUID 0xfddf):
        Name (complete): JBL Flip 5

Signed-off-by: Sven Peter <sven@svenpeter.dev>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
2022-12-12 14:19:24 -08:00
arch arm64: dts: apple: t8103: Add Bluetooth controller 2022-12-12 14:19:24 -08:00
block block-6.1-2022-11-25 2022-11-25 17:50:57 -08:00
certs certs: make system keyring depend on built-in x509 parser 2022-09-24 04:31:18 +09:00
crypto treewide: use get_random_bytes() when possible 2022-10-11 17:42:58 -06:00
Documentation dt-bindings: net: Add Broadcom BCM4377 family PCIe Bluetooth 2022-12-12 14:19:24 -08:00
drivers Bluetooth: hci_bcm: Add CYW4373A0 support 2022-12-12 14:19:24 -08:00
fs fscache: Fix oops due to race with cookie_lru and use_cookie 2022-12-07 11:49:18 -08:00
include Bluetooth: hci_event: Ignore reserved bits in LE Extended Adv Report 2022-12-12 14:19:24 -08:00
init init/Kconfig: fix CC_HAS_ASM_GOTO_TIED_OUTPUT test with dash 2022-11-22 22:42:38 +09:00
io_uring io_uring: clear TIF_NOTIFY_SIGNAL if set and task_work not available 2022-11-25 10:55:08 -07:00
ipc ipc/sem: Fix dangling sem_array access in semtimedop race 2022-12-05 10:54:44 -08:00
kernel bpf-next-for-netdev 2022-12-12 11:27:42 -08:00
lib rhashtable: Allow rhashtable to be used from irq-safe contexts 2022-12-09 10:42:56 +00:00
LICENSES LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers 2021-12-16 14:33:10 +01:00
mm memcg: Fix possible use-after-free in memcg_write_event_control() 2022-12-08 10:40:58 -08:00
net Bluetooth: hci_event: Ignore reserved bits in LE Extended Adv Report 2022-12-12 14:19:24 -08:00
rust Kbuild: add Rust support 2022-09-28 09:02:20 +02:00
samples bpf-next-for-netdev 2022-11-28 19:42:17 -08:00
scripts bpf: Rework process_dynptr_func 2022-12-08 18:25:31 -08:00
security lsm/stable-6.1 PR 20221031 2022-10-31 12:09:42 -07:00
sound ASoC: Fixes for v6.1 2022-11-30 17:26:55 +01:00
tools bpf-next-for-netdev 2022-12-12 11:27:42 -08:00
usr usr/gen_init_cpio.c: remove unnecessary -1 values from int file 2022-10-03 14:21:44 -07:00
virt Merge branch 'kvm-dwmw2-fixes' into HEAD 2022-11-23 18:59:45 -05:00
.clang-format inet: ping: use hlist_nulls rcu iterator during lookup 2022-12-01 12:42:46 +01:00
.cocciconfig
.get_maintainer.ignore get_maintainer: add Alan to .get_maintainer.ignore 2022-08-20 15:17:44 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore Kbuild: add Rust support 2022-09-28 09:02:20 +02:00
.mailmap Including fixes from bpf, can and wifi. 2022-11-29 09:52:10 -08:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: Remove Michal Marek from Kbuild maintainers 2022-11-16 14:53:00 +09:00
Kbuild Kbuild updates for v6.1 2022-10-10 12:00:45 -07:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS dt-bindings: net: Add Broadcom BCM4377 family PCIe Bluetooth 2022-12-12 14:19:24 -08:00
Makefile Linux 6.1-rc8 2022-12-04 14:48:12 -08:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.