linux-stable.git/include/net/bluetooth, branch v5.17.5

Bluetooth: Fix not checking for valid hdev on bt_dev_{info,warn,err,dbg}

2022-04-13T17:27:19+00:00

[ Upstream commit 9b392e0e0b6d026da5a62bb79a08f32e27af858e ]

This fixes attemting to print hdev->name directly which causes them to
print an error:

kernel: read_version:367: (efault): sock 000000006a3008f2

Signed-off-by: Luiz Augusto von Dentz 
Signed-off-by: Marcel Holtmann 
Signed-off-by: Sasha Levin

Bluetooth: hci_event: Ignore multiple conn complete events

2022-04-13T17:27:08+00:00

[ Upstream commit d5ebaa7c5f6f688959e8d40840b2249ede63b8ed ]

When one of the three connection complete events is received multiple
times for the same handle, the device is registered multiple times which
leads to memory corruptions. Therefore, consequent events for a single
connection are ignored.

The conn->state can hold different values, therefore HCI_CONN_HANDLE_UNSET
is introduced to identify new connections. To make sure the events do not
contain this or another invalid handle HCI_CONN_HANDLE_MAX and checks
are introduced.

Buglink: https://bugzilla.kernel.org/show_bug.cgi?id=215497
Signed-off-by: Soenke Huster 
Signed-off-by: Luiz Augusto von Dentz 
Signed-off-by: Sasha Levin

Bluetooth: hci_sync: Add a new quirk to skip HCI_FLT_CLEAR_ALL

2022-03-28T08:03:20+00:00

commit 0eaecfb2e4814d51ab172df3823e35d7c488b6d2 upstream.

Some controllers have problems with being sent a command to clear
all filtering. While the HCI code does not unconditionally
send a clear-all anymore at BR/EDR setup (after the state machine
refactor), there might be more ways of hitting these codepaths
in the future as the kernel develops.

Cc: stable@vger.kernel.org
Cc: Hans de Goede 
Signed-off-by: Ismael Ferreras Morezuelas 
Reviewed-by: Hans de Goede 
Signed-off-by: Marcel Holtmann 
Signed-off-by: Greg Kroah-Hartman

Bluetooth: hci_sync: Fix not using conn_timeout

2022-02-24T20:34:28+00:00

When using hci_le_create_conn_sync it shall wait for the conn_timeout
since the connection complete may take longer than just 2 seconds.

Also fix the masking of HCI_EV_LE_ENHANCED_CONN_COMPLETE and
HCI_EV_LE_CONN_COMPLETE so they are never both set so we can predict
which one the controller will use in case of HCI_OP_LE_CREATE_CONN.

Fixes: 6cd29ec6ae5e3 ("Bluetooth: hci_sync: Wait for proper events when connecting LE")
Signed-off-by: Luiz Augusto von Dentz 
Signed-off-by: Marcel Holtmann

Bluetooth: Fix bt_skb_sendmmsg not allocating partial chunks

2022-02-24T20:05:21+00:00

Since bt_skb_sendmmsg can be used with the likes of SOCK_STREAM it
shall return the partial chunks it could allocate instead of freeing
everything as otherwise it can cause problems like bellow.

Fixes: 81be03e026dc ("Bluetooth: RFCOMM: Replace use of memcpy_from_msg with bt_skb_sendmmsg")
Reported-by: Paul Menzel 
Link: https://lore.kernel.org/r/d7206e12-1b99-c3be-84f4-df22af427ef5@molgen.mpg.de
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=215594
Signed-off-by: Luiz Augusto von Dentz 
Tested-by: Paul Menzel  (Nokia N9 (MeeGo/Harmattan)
Signed-off-by: Marcel Holtmann

Bluetooth: hci_event: Rework hci_inquiry_result_with_rssi_evt

2022-01-06T13:57:09+00:00

This rework the handling of hci_inquiry_result_with_rssi_evt to not use
a union to represent the different inquiry responses.

Signed-off-by: Luiz Augusto von Dentz 
Tested-by: Soenke Huster 
Signed-off-by: Marcel Holtmann

Bluetooth: MGMT: Fix LE simultaneous roles UUID if not supported

2021-12-22T22:01:35+00:00

If controller/driver don't support LE simultaneous roles its UUID shall
be omitted when responding to MGMT_OP_READ_EXP_FEATURES_INFO.

This also rework the support introducing HCI_LE_SIMULTANEOUS_ROLES flag
so it can be detected when userspace wants to use or not.

Signed-off-by: Luiz Augusto von Dentz 
Signed-off-by: Marcel Holtmann

Bluetooth: hci_sync: Add check simultaneous roles support

2021-12-22T22:01:35+00:00

This attempts to check if the controller can act as both central and
peripheral simultaneously and in case it does skip suspending
advertising or in case of directed advertising don't fail if scanning.

Signed-off-by: Luiz Augusto von Dentz 
Signed-off-by: Marcel Holtmann

Bluetooth: hci_sync: Add support for waiting specific LE subevents

2021-12-22T22:01:35+00:00

This adds support for waiting for specific LE subevents instead of
command status which may only indicate that the commands is in progress
and a different event is used to complete the operation.

Signed-off-by: Luiz Augusto von Dentz 
Signed-off-by: Marcel Holtmann

Bluetooth: hci_sync: Add hci_le_create_conn_sync

2021-12-22T22:01:35+00:00

This adds hci_le_create_conn_sync and make hci_le_connect use it instead
of queueing multiple commands which may conflict with the likes of
hci_update_passive_scan which uses hci_cmd_sync_queue.

Signed-off-by: Luiz Augusto von Dentz 
Signed-off-by: Marcel Holtmann