Commit graph

45 commits

Author SHA1 Message Date
Ismael Ferreras Morezuelas
0eaecfb2e4 Bluetooth: hci_sync: Add a new quirk to skip HCI_FLT_CLEAR_ALL
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 <hdegoede@redhat.com>
Signed-off-by: Ismael Ferreras Morezuelas <swyterzone@gmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2022-03-18 17:12:07 +01:00
Jakub Kicinski
1e8a3f0d2a Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
net/dsa/dsa2.c
  commit afb3cc1a39 ("net: dsa: unlock the rtnl_mutex when dsa_master_setup() fails")
  commit e83d565378 ("net: dsa: replay master state events in dsa_tree_{setup,teardown}_master")
https://lore.kernel.org/all/20220307101436.7ae87da0@canb.auug.org.au/

drivers/net/ethernet/intel/ice/ice.h
  commit 97b0129146 ("ice: Fix error with handling of bonding MTU")
  commit 43113ff734 ("ice: add TTY for GNSS module for E810T device")
https://lore.kernel.org/all/20220310112843.3233bcf1@canb.auug.org.au/

drivers/staging/gdm724x/gdm_lte.c
  commit fc7f750dc9 ("staging: gdm724x: fix use after free in gdm_lte_rx()")
  commit 4bcc4249b4 ("staging: Use netif_rx().")
https://lore.kernel.org/all/20220308111043.1018a59d@canb.auug.org.au/

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-03-10 17:16:56 -08:00
Tom Rix
8cd3c55c62 Bluetooth: hci_sync: fix undefined return of hci_disconnect_all_sync()
clang static analysis reports this problem
hci_sync.c:4428:2: warning: Undefined or garbage value
  returned to caller
        return err;
        ^~~~~~~~~~

If there are no connections this function is a noop but
err is never set and a false error could be reported.
Return 0 as other hci_* functions do.

Fixes: 182ee45da0 ("Bluetooth: hci_sync: Rework hci_suspend_notifier")
Signed-off-by: Tom Rix <trix@redhat.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
2022-03-04 16:10:49 +01:00
Jakub Kicinski
80901bff81 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
net/batman-adv/hard-interface.c
  commit 690bb6fb64 ("batman-adv: Request iflink once in batadv-on-batadv check")
  commit 6ee3c393ee ("batman-adv: Demote batadv-on-batadv skip error message")
https://lore.kernel.org/all/20220302163049.101957-1-sw@simonwunderlich.de/

net/smc/af_smc.c
  commit 4d08b7b57e ("net/smc: Fix cleanup when register ULP fails")
  commit 462791bbfa ("net/smc: add sysctl interface for SMC")
https://lore.kernel.org/all/20220302112209.355def40@canb.auug.org.au/

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-03-03 11:55:12 -08:00
Luiz Augusto von Dentz
008ee9eb8a Bluetooth: hci_sync: Fix not processing all entries on cmd_sync_work
hci_cmd_sync_queue can be called multiple times, each adding a
hci_cmd_sync_work_entry, before hci_cmd_sync_work is run so this makes
sure they are all dequeued properly otherwise it creates a backlog of
entries that are never run.

Link: https://lore.kernel.org/all/CAJCQCtSeUtHCgsHXLGrSTWKmyjaQDbDNpP4rb0i+RE+L2FTXSA@mail.gmail.com/T/
Fixes: 6a98e3836f ("Bluetooth: Add helper for serialized HCI command execution")
Tested-by: Chris Clayton <chris2553@googlemail.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2022-03-03 13:30:03 +01:00
Luiz Augusto von Dentz
a56a1138cb Bluetooth: hci_sync: Fix not using conn_timeout
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: 6cd29ec6ae ("Bluetooth: hci_sync: Wait for proper events when connecting LE")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2022-02-24 21:34:28 +01:00
Luiz Augusto von Dentz
80740ebb7e Bluetooth: hci_sync: Fix hci_update_accept_list_sync
hci_update_accept_list_sync is returning the filter based on the error
but that gets overwritten by hci_le_set_addr_resolution_enable_sync
return instead of using the actual result of the likes of
hci_le_add_accept_list_sync which was intended.

Fixes: ad383c2c65 ("Bluetooth: hci_sync: Enable advertising when LL privacy is enabled")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2022-02-24 21:07:01 +01:00
Lin Ma
fa78d2d1d6 Bluetooth: fix data races in smp_unregister(), smp_del_chan()
Previous commit e04480920d ("Bluetooth: defer cleanup of resources
in hci_unregister_dev()") defers all destructive actions to
hci_release_dev() to prevent cocurrent problems like NPD, UAF.

However, there are still some exceptions that are ignored.

The smp_unregister() in hci_dev_close_sync() (previously in
hci_dev_do_close) will release resources like the sensitive channel
and the smp_dev objects. Consider the situations the device is detaching
or power down while the kernel is still operating on it, the following
data race could take place.

thread-A  hci_dev_close_sync  | thread-B  read_local_oob_ext_data
                              |
hci_dev_unlock()              |
...                           | hci_dev_lock()
if (hdev->smp_data)           |
  chan = hdev->smp_data       |
                              | chan = hdev->smp_data (3)
                              |
  hdev->smp_data = NULL (1)   | if (!chan || !chan->data) (4)
  ...                         |
  smp = chan->data            | smp = chan->data
  if (smp)                    |
    chan->data = NULL (2)     |
    ...                       |
    kfree_sensitive(smp)      |
                              | // dereference smp trigger UFA

That is, the objects hdev->smp_data and chan->data both suffer from the
data races. In a preempt-enable kernel, the above schedule (when (3) is
before (1) and (4) is before (2)) leads to UAF bugs. It can be
reproduced in the latest kernel and below is part of the report:

[   49.097146] ================================================================
[   49.097611] BUG: KASAN: use-after-free in smp_generate_oob+0x2dd/0x570
[   49.097611] Read of size 8 at addr ffff888006528360 by task generate_oob/155
[   49.097611]
[   49.097611] Call Trace:
[   49.097611]  <TASK>
[   49.097611]  dump_stack_lvl+0x34/0x44
[   49.097611]  print_address_description.constprop.0+0x1f/0x150
[   49.097611]  ? smp_generate_oob+0x2dd/0x570
[   49.097611]  ? smp_generate_oob+0x2dd/0x570
[   49.097611]  kasan_report.cold+0x7f/0x11b
[   49.097611]  ? smp_generate_oob+0x2dd/0x570
[   49.097611]  smp_generate_oob+0x2dd/0x570
[   49.097611]  read_local_oob_ext_data+0x689/0xc30
[   49.097611]  ? hci_event_packet+0xc80/0xc80
[   49.097611]  ? sysvec_apic_timer_interrupt+0x9b/0xc0
[   49.097611]  ? asm_sysvec_apic_timer_interrupt+0x12/0x20
[   49.097611]  ? mgmt_init_hdev+0x1c/0x240
[   49.097611]  ? mgmt_init_hdev+0x28/0x240
[   49.097611]  hci_sock_sendmsg+0x1880/0x1e70
[   49.097611]  ? create_monitor_event+0x890/0x890
[   49.097611]  ? create_monitor_event+0x890/0x890
[   49.097611]  sock_sendmsg+0xdf/0x110
[   49.097611]  __sys_sendto+0x19e/0x270
[   49.097611]  ? __ia32_sys_getpeername+0xa0/0xa0
[   49.097611]  ? kernel_fpu_begin_mask+0x1c0/0x1c0
[   49.097611]  __x64_sys_sendto+0xd8/0x1b0
[   49.097611]  ? syscall_exit_to_user_mode+0x1d/0x40
[   49.097611]  do_syscall_64+0x3b/0x90
[   49.097611]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   49.097611] RIP: 0033:0x7f5a59f51f64
...
[   49.097611] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5a59f51f64
[   49.097611] RDX: 0000000000000007 RSI: 00007f5a59d6ac70 RDI: 0000000000000006
[   49.097611] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   49.097611] R10: 0000000000000040 R11: 0000000000000246 R12: 00007ffec26916ee
[   49.097611] R13: 00007ffec26916ef R14: 00007f5a59d6afc0 R15: 00007f5a59d6b700

To solve these data races, this patch places the smp_unregister()
function in the protected area by the hci_dev_lock(). That is, the
smp_unregister() function can not be concurrently executed when
operating functions (most of them are mgmt operations in mgmt.c) hold
the device lock.

This patch is tested with kernel LOCK DEBUGGING enabled. The price from
the extended holding time of the device lock is supposed to be low as the
smp_unregister() function is fairly short and efficient.

Signed-off-by: Lin Ma <linma@zju.edu.cn>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2022-02-24 21:05:21 +01:00
Luiz Augusto von Dentz
0b94f2651f Bluetooth: hci_sync: Fix queuing commands when HCI_UNREGISTER is set
hci_cmd_sync_queue shall return an error if HCI_UNREGISTER flag has
been set as that means hci_unregister_dev has been called so it will
likely cause a uaf after the timeout as the hdev will be freed.

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2022-01-27 17:40:18 +01:00
Luiz Augusto von Dentz
89a0b8b98f Bluetooth: hci_sync: Fix compilation warning
This fixes the following warning:

net/bluetooth/hci_sync.c:5143:5: warning: no previous prototype for
‘hci_le_ext_create_conn_sync’ [-Wmissing-prototypes]

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2022-01-10 17:41:38 +01:00
Luiz Augusto von Dentz
76d0685bba Bluetooth: MGMT: Fix LE simultaneous roles UUID if not supported
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 <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-12-22 23:01:35 +01:00
Luiz Augusto von Dentz
4fc9857ab8 Bluetooth: hci_sync: Add check simultaneous roles support
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 <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-12-22 23:01:35 +01:00
Luiz Augusto von Dentz
6cd29ec6ae Bluetooth: hci_sync: Wait for proper events when connecting LE
When using HCI_OP_LE_CREATE_CONN wait for HCI_EV_LE_CONN_COMPLETE before
completing it and for HCI_OP_LE_EXT_CREATE_CONN wait for
HCI_EV_LE_ENHANCED_CONN_COMPLETE before resuming advertising.

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-12-22 23:01:35 +01:00
Luiz Augusto von Dentz
85b56857e1 Bluetooth: hci_sync: Add support for waiting specific LE subevents
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 <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-12-22 23:01:35 +01:00
Luiz Augusto von Dentz
8e8b92ee60 Bluetooth: hci_sync: Add hci_le_create_conn_sync
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 <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-12-22 23:01:35 +01:00
Benjamin Berg
744451c162 Bluetooth: hci_sync: Push sync command cancellation to workqueue
syzbot reported that hci_cmd_sync_cancel may sleep from the wrong
context. To avoid this, create a new work item that pushes the relevant
parts into a different context.

Note that we keep the old implementation with the name
__hci_cmd_sync_cancel as the sleeping behaviour is desired in some
cases.

Reported-and-tested-by: syzbot+485cc00ea7cf41dfdbf1@syzkaller.appspotmail.com
Fixes: c97a747efc ("Bluetooth: btusb: Cancel sync commands for certain URB errors")
Signed-off-by: Benjamin Berg <bberg@redhat.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-12-22 23:01:27 +01:00
Luiz Augusto von Dentz
9446bdde51 Bluetooth: hci_sync: Fix not always pausing advertising when necessary
hci_pause_advertising_sync shall always pause advertising until
hci_resume_advertising_sync but instance 0x00 doesn't count
in adv_instance_cnt so it was causing it to be skipped.

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-12-21 13:46:12 -08:00
Luiz Augusto von Dentz
853b70b506 Bluetooth: hci_sync: Set Privacy Mode when updating the resolving list
This adds support for Set Privacy Mode when updating the resolving list
when HCI_CONN_FLAG_DEVICE_PRIVACY so the controller shall use Device
Mode for devices programmed in the resolving list, Device Mode is
actually required when the remote device are not able to use RPA as
otherwise the default mode is Network Privacy Mode in which only
allows RPAs thus the controller would filter out advertisement using
identity addresses for which there is an IRK.

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-12-07 17:05:51 +01:00
Luiz Augusto von Dentz
fe92ee6425 Bluetooth: hci_core: Rework hci_conn_params flags
This reworks hci_conn_params flags to use bitmap_* helpers and add
support for setting the supported flags in hdev->conn_flags so it can
easily be accessed.

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-12-07 17:05:51 +01:00
Aditya Garg
d2f8114f95 Bluetooth: add quirk disabling LE Read Transmit Power
Some devices have a bug causing them to not work if they query
LE tx power on startup. Thus we add a quirk in order to not query it
and default min/max tx power values to HCI_TX_POWER_INVALID.

Signed-off-by: Aditya Garg <gargaditya08@live.com>
Reported-by: Orlando Chamberlain <redecorating@protonmail.com>
Tested-by: Orlando Chamberlain <redecorating@protonmail.com>
Link:
https://lore.kernel.org/r/4970a940-211b-25d6-edab-21a815313954@protonmail.com
Fixes: 7c395ea521 ("Bluetooth: Query LE tx power on startup")
Cc: stable@vger.kernel.org
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-12-07 17:05:51 +01:00
Benjamin Berg
914b08b330 Bluetooth: Add hci_cmd_sync_cancel to public API
After transfer errors it makes sense to cancel an ongoing synchronous
command that cannot complete anymore. To permit this, export the old
hci_req_sync_cancel function as hci_cmd_sync_cancel in the API.

Signed-off-by: Benjamin Berg <bberg@redhat.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
2021-12-03 10:41:59 -08:00
Luiz Augusto von Dentz
f056a65783 Bluetooth: hci_sync: Convert MGMT_OP_SET_CONNECTABLE to use cmd_sync
This makes MGMT_OP_SET_CONNEABLE use hci_cmd_sync_queue instead of
use a dedicated connetable_update work.

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-11-16 15:13:34 +01:00
Luiz Augusto von Dentz
2bd1b23761 Bluetooth: hci_sync: Convert MGMT_OP_SET_DISCOVERABLE to use cmd_sync
This makes MGMT_OP_SET_DISCOVERABLE use hci_cmd_sync_queue instead of
use a dedicated discoverable_update work.

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-11-16 15:13:34 +01:00
Jesse Melhuish
385315decf Bluetooth: Don't initialize msft/aosp when using user channel
A race condition is triggered when usermode control is given to
userspace before the kernel's MSFT query responds, resulting in an
unexpected response to userspace's reset command.

Issue can be observed in btmon:

< HCI Command: Vendor (0x3f|0x001e) plen 2                    #3 [hci0]
        05 01                                            ..
@ USER Open: bt_stack_manage (privileged) version 2.22  {0x0002} [hci0]
< HCI Command: Reset (0x03|0x0003) plen 0                     #4 [hci0]
> HCI Event: Command Complete (0x0e) plen 5                   #5 [hci0]
      Vendor (0x3f|0x001e) ncmd 1
	Status: Command Disallowed (0x0c)
	05                                               .
> HCI Event: Command Complete (0x0e) plen 4                   #6 [hci0]
      Reset (0x03|0x0003) ncmd 2
	Status: Success (0x00)

Reviewed-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Reviewed-by: Sonny Sasaka <sonnysasaka@chromium.org>
Signed-off-by: Jesse Melhuish <melhuishj@chromium.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-11-16 14:03:11 +01:00
Luiz Augusto von Dentz
f16a491c65 Bluetooth: hci_sync: Fix not setting adv set duration
10bbffa3e8 attempted to fix the use of rotation duration as
advertising duration but it didn't change the if condition which still
uses the duration instead of the timeout.

Fixes: 10bbffa3e8 ("Bluetooth: Fix using advertising instance duration as timeout")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-11-02 07:32:38 +01:00
Luiz Augusto von Dentz
27592ca1fa Bluetooth: hci_sync: Fix missing static warnings
This fixes the following warnings:

>> net/bluetooth/hci_sync.c:1333:5: warning: no previous prototype for
'hci_scan_disable_sync' [-Wmissing-prototypes]
    1333 | int hci_scan_disable_sync(struct hci_dev *hdev, bool rpa_le_conn)
         |     ^~~~~~~~~~~~~~~~~~~~~
>> net/bluetooth/hci_sync.c:1762:5: warning: no previous prototype for
'hci_passive_scan_sync' [-Wmissing-prototypes]
    1762 | int hci_passive_scan_sync(struct hci_dev *hdev)
         |     ^~~~~~~~~~~~~~~~~~~~~

Fixes: e8907f7654 ("Bluetooth: hci_sync: Make use of hci_cmd_sync_queue set 3")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-11-01 20:18:24 +01:00
Luiz Augusto von Dentz
182ee45da0 Bluetooth: hci_sync: Rework hci_suspend_notifier
This makes hci_suspend_notifier use the hci_*_sync which can be
executed synchronously which is allowed in the suspend_notifier and
simplifies a lot of the handling since the status of each command can
be checked inline so no other work need to be scheduled thus can be
performed without using of a state machine.

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-10-29 16:52:00 +02:00
Luiz Augusto von Dentz
d0b137062b Bluetooth: hci_sync: Rework init stages
This moves the init stages to use the hci_sync infra and in addition
to that have the stages as function tables so it is easier to change
the command sequence.

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-10-29 16:52:00 +02:00
Brian Gix
3244845c63 Bluetooth: hci_sync: Convert MGMT_OP_SSP
mgmt-tester paths:
Set SSP on - Success 2
Set Device ID - SSP off and Power on

Signed-off-by: Brian Gix <brian.gix@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-10-29 16:52:00 +02:00
Brian Gix
6f6ff38a1e Bluetooth: hci_sync: Convert MGMT_OP_SET_LOCAL_NAME
Uses existing *_sync functions, but made hci_update_name_sync
non-static.

mgmt-test paths:
Set Advertising on - Local name 1
Set Advertising on - Name + Appear 1
Set Local Name - Success 1
Set Local Name - Success 2
Set Local Name - Success 3
Add Advertising - Success (Empty ScRsp)
Add Advertising - Success (Complete name)
Add Advertising - Success (Shortened name)
Add Advertising - Success (Short name)
Add Advertising - Success (Name + data)
Add Advertising - Invalid Params (Name + data)
Add Advertising - Success (Name+data+appear)
Read Ext Controller Info 3
Read Ext Controller Info 4
Read Ext Controller Info 5
Add Ext Advertising - Success (Empty ScRsp)
Add Ext Advertising - Success (Complete name)
Add Ext Advertising - Success (Shortened name)
Add Ext Advertising - Success (Short name)
Add Ext Advertising - Success (Name + data)
Add Ext Advertising - Invalid Params (Name + data)
Add Ext Advertising - Success (Name+data+appear)

Signed-off-by: Brian Gix <brian.gix@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-10-29 16:52:00 +02:00
Brian Gix
f892244b05 Bluetooth: hci_sync: Convert MGMT_OP_READ_LOCAL_OOB_DATA
New functions:
  hci_read_local_oob_data_sync

This function requires all of the data from the cmd cmplt event
to be passed up to the caller via the skb.

mgmt-tester paths:
Read Local OOB Data - Not powered
Read Local OOB Data - Legacy pairing
Read Local OOB Data - Success SSP
Read Local OOB Data - Success SC

Signed-off-by: Brian Gix <brian.gix@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-10-29 16:51:59 +02:00
Brian Gix
d81a494c43 Bluetooth: hci_sync: Convert MGMT_OP_SET_LE
Uses:
  hci_disable_advertising_sync
  hci_remove_ext_adv_instance_sync
  hci_write_le_host_supported_sync
  hci_setup_ext_adv_instance_sync
  hci_update_scan_rsp_data_sync

Signed-off-by: Brian Gix <brian.gix@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-10-29 16:51:59 +02:00
Brian Gix
5a75013746 Bluetooth: hci_sync: Convert MGMT_OP_GET_CLOCK_INFO
Synchronous version of MGMT_OP_GET_CLOCK_INFO.

Signed-off-by: Brian Gix <brian.gix@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-10-29 16:51:59 +02:00
Brian Gix
2f2eb0c9de Bluetooth: hci_sync: Convert MGMT_OP_SET_SECURE_CONN
Synchronous version of MGMT_OP_SET_SECURE_CONN.

Signed-off-by: Brian Gix <brian.gix@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-10-29 16:51:59 +02:00
Brian Gix
47db6b4299 Bluetooth: hci_sync: Convert MGMT_OP_GET_CONN_INFO
Synchronous version of MGMT_OP_GET_CONN_INFO

Implements:
  hci_read_rssi_sync
  hci_read_tx_power_sync

Signed-off-by: Brian Gix <brian.gix@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-10-29 16:51:59 +02:00
Brian Gix
451d95a98c Bluetooth: hci_sync: Enable synch'd set_bredr
Uses previously written:
  hci_write_fast_connectable_sync
  hci_update_scan_sync
  hci_update_adv_data_sync

Signed-off-by: Brian Gix <brian.gix@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-10-29 16:51:59 +02:00
Brian Gix
353a0249c3 Bluetooth: hci_sync: Convert MGMT_OP_SET_FAST_CONNECTABLE
This creates a synchronized Write Fast Connectable call and attaches it
to the MGMT_OP_SET_FAST_CONNECTABLE management opcode.

Signed-off-by: Brian Gix <brian.gix@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-10-29 16:51:59 +02:00
Luiz Augusto von Dentz
abfeea476c Bluetooth: hci_sync: Convert MGMT_OP_START_DISCOVERY
This make use of hci_cmd_sync_queue for MGMT_OP_START_DISCOVERY,
MGMT_OP_START_SERVICE_DISCOVERY and MGMT_OP_STOP_DISCOVERY to use
hci_cmd_sync_queue so they no longer depend on hdev->discov_update work
to send any commands.

Tested with:

tools/mgmt-tester -s "Start Discovery"

Test Summary
------------
Start Discovery - Not powered 1                      Passed
Start Discovery - Invalid parameters 1               Passed
Start Discovery - Not supported 1                    Passed
Start Discovery - Success 1                          Passed
Start Discovery - Success 2                          Passed
Start Discovery - Power Off 1                        Passed
Start Discovery BREDR LE - (Ext Scan Enable)         Passed
Start Discovery LE - (Ext Scan Enable)               Passed
Start Discovery LE - (Ext Scan Param)                Passed
Start Discovery - (2m, Scan Param)                   Passed
Start Discovery - (coded, Scan Param)                Passed
Start Discovery - (1m, 2m, coded, Scan Param)        Passed
LL Privacy - Start Discovery 1 (Disable RL)          Passed
LL Privacy - Start Discovery 2 (Disable RL)          Passed
Total: 14, Passed: 14 (100.0%), Failed: 0, Not Run: 0

tools/mgmt-tester -s "Start Service"

Test Summary
------------
Start Service Discovery - Not powered 1              Passed
Start Service Discovery - Invalid parameters 1       Passed
Start Service Discovery - Not supported 1            Passed
Start Service Discovery - Success 1                  Passed
Start Service Discovery - Success 2                  Passed
Total: 5, Passed: 5 (100.0%), Failed: 0, Not Run: 0

tools/mgmt-tester -s "Stop Discovery"

Test Summary
------------
Stop Discovery - Success 1                           Passed
Stop Discovery - BR/EDR (Inquiry) Success 1          Passed
Stop Discovery - Rejected 1                          Passed
Stop Discovery - Invalid parameters 1                Passed
Stop Discovery - (Ext Scan Disable)                  Passed
Total: 5, Passed: 5 (100.0%), Failed: 0, Not Run: 0

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-10-29 16:51:59 +02:00
Luiz Augusto von Dentz
cf75ad8b41 Bluetooth: hci_sync: Convert MGMT_SET_POWERED
This make use of hci_cmd_sync_queue when MGMT_SET_POWERED is used so all
commands are run within hdev->cmd_sync_work instead of
hdev->power_on_work and hdev->power_off_work.

In addition to that the power on sequence now takes into account if
local IRK needs to be programmed in the resolving list.

Tested with:

tools/mgmt-tester -s "Set powered"

Test Summary
------------
Set powered on - Success                             Passed
Set powered on - Invalid parameters 1                Passed
Set powered on - Invalid parameters 2                Passed
Set powered on - Invalid parameters 3                Passed
Set powered on - Invalid index                       Passed
Set powered on - Privacy and Advertising             Passed
Set powered off - Success                            Passed
Set powered off - Class of Device                    Passed
Set powered off - Invalid parameters 1               Passed
Set powered off - Invalid parameters 2               Passed
Set powered off - Invalid parameters 3               Passed
Total: 11, Passed: 11 (100.0%), Failed: 0, Not Run: 0

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-10-29 16:51:58 +02:00
Luiz Augusto von Dentz
5bee2fd6bc Bluetooth: hci_sync: Rework background scan
This replaces the use of hci_update_background_scan with
hci_update_passive_scan which runs from cmd_work_sync and deal properly
with resolving list when LL privacy is enabled.

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-10-29 16:51:58 +02:00
Luiz Augusto von Dentz
ad383c2c65 Bluetooth: hci_sync: Enable advertising when LL privacy is enabled
This enables advertising when LL privacy is enabled and changes the
command sequence when resolving list is updated to also account for when
advertising is enabled using the following sequence:

If there are devices to scan:

Disable Scanning -> Update Accept List ->
use_ll_privacy((Disable Advertising) -> Disable Resolving List ->
Update Resolving List -> Enable Resolving List -> (Enable Advertising)) ->
Enable Scanning

Otherwise:

Disable Scanning

Errors during the Update Accept List stage are handled gracefully by
restoring any previous state (e.g. advertising) and disabling the use of
accept list as either accept list or resolving list could not be
updated.

Tested with:

mgmt-tester -s "LL Privacy"

Test Summary
------------
LL Privacy - Add Device 1 (Add to WL)                Passed
LL Privacy - Add Device 2 (Add to RL)                Passed
LL Privacy - Add Device 3 (Enable RL)                Passed
LL Privacy - Add Device 4 (2 Devices to WL)          Passed
LL Privacy - Add Device 5 (2 Devices to RL)          Passed
LL Privacy - Add Device 6 (RL is full)               Passed
LL Privacy - Add Device 7 (WL is full)               Passed
LL Privacy - Add Device 8 (Disable Adv)              Passed
LL Privacy - Add Device 9 (Multi Adv)                Passed
LL Privacy - Add Device 10 (Multi Dev and Multi Adv) Passed
LL Privacy - Remove Device 1 (Remove from WL)        Passed
LL Privacy - Remove Device 2 (Remove from RL)        Passed
LL Privacy - Remove Device 3 (Disable RL)            Passed
LL Privacy - Remove Device 4 (Disable Adv)           Passed
LL Privacy - Remove Device 5 (Multi Adv)             Passed
LL Privacy - Start Discovery 1 (Disable RL)          Passed
LL Privacy - Start Discovery 2 (Disable RL)          Passed
Total: 18, Passed: 18 (100.0%), Failed: 0, Not Run: 0

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-10-29 16:51:58 +02:00
Luiz Augusto von Dentz
e8907f7654 Bluetooth: hci_sync: Make use of hci_cmd_sync_queue set 3
This make use of hci_cmd_sync_queue for the following MGMT commands:

    Add Device
    Remove Device

Tested with:

mgmt-tester -s "Add Device"

Test Summary
------------
Add Device - Invalid Params 1                        Passed
Add Device - Invalid Params 2                        Passed
Add Device - Invalid Params 3                        Passed
Add Device - Invalid Params 4                        Passed
Add Device - Success 1                               Passed
Add Device - Success 2                               Passed
Add Device - Success 3                               Passed
Add Device - Success 4                               Passed
Add Device - Success 5                               Passed
Add Device - Success 6 - Add to whitelist            Passed
Add Device - Success 7 - Add to resolv list          Passed
Add Device - Success 8 - Enable resolv list          Passed
Total: 12, Passed: 12 (100.0%), Failed: 0, Not Run: 0
Overall execution time: 0.209 seconds

mgmt-tester -s "Remove Device"

Test Summary
------------
Remove Device - Invalid Params 1                     Passed
Remove Device - Invalid Params 2                     Passed
Remove Device - Invalid Params 3                     Passed
Remove Device - Success 1                            Passed
Remove Device - Success 2                            Passed
Remove Device - Success 3                            Passed
Remove Device - Success 4                            Passed
Remove Device - Success 5                            Passed
Remove Device - Success 6 - All Devices              Passed
Remove Device - Success 7 - Remove from whitelist    Passed
Remove Device - Success 8 - Remove from resolv list  Passed
Total: 11, Passed: 11 (100.0%), Failed: 0, Not Run: 0
Overall execution time: 4.26 seconds

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-10-29 16:51:58 +02:00
Luiz Augusto von Dentz
cba6b75871 Bluetooth: hci_sync: Make use of hci_cmd_sync_queue set 2
This make use of hci_cmd_sync_queue for the following MGMT commands:

Add Advertising
Remove Advertising
Add Extended Advertising Parameters
Add Extended Advertising Data

mgmt-tester -s "Add Advertising"

Test Summary
------------
Add Advertising - Failure: LE off                    Passed
Add Advertising - Invalid Params 1 (AD too long)     Passed
Add Advertising - Invalid Params 2 (Malformed len)   Passed
Add Advertising - Invalid Params 3 (Malformed len)   Passed
Add Advertising - Invalid Params 4 (Malformed len)   Passed
Add Advertising - Invalid Params 5 (AD too long)     Passed
Add Advertising - Invalid Params 6 (ScRsp too long)  Passed
Add Advertising - Invalid Params 7 (Malformed len)   Passed
Add Advertising - Invalid Params 8 (Malformed len)   Passed
Add Advertising - Invalid Params 9 (Malformed len)   Passed
Add Advertising - Invalid Params 10 (ScRsp too long) Passed
Add Advertising - Rejected (Timeout, !Powered)       Passed
Add Advertising - Success 1 (Powered, Add Adv Inst)  Passed
Add Advertising - Success 2 (!Powered, Add Adv Inst) Passed
Add Advertising - Success 3 (!Powered, Adv Enable)   Passed
Add Advertising - Success 4 (Set Adv on override)    Passed
Add Advertising - Success 5 (Set Adv off override)   Passed
Add Advertising - Success 6 (Scan Rsp Dta, Adv ok)   Passed
Add Advertising - Success 7 (Scan Rsp Dta, Scan ok)  Passed
Add Advertising - Success 8 (Connectable Flag)       Passed
Add Advertising - Success 9 (General Discov Flag)    Passed
Add Advertising - Success 10 (Limited Discov Flag)   Passed
Add Advertising - Success 11 (Managed Flags)         Passed
Add Advertising - Success 12 (TX Power Flag)         Passed
Add Advertising - Success 13 (ADV_SCAN_IND)          Passed
Add Advertising - Success 14 (ADV_NONCONN_IND)       Passed
Add Advertising - Success 15 (ADV_IND)               Passed
Add Advertising - Success 16 (Connectable -> on)     Passed
Add Advertising - Success 17 (Connectable -> off)    Passed
Add Advertising - Success 18 (Power -> off, Remove)  Passed
Add Advertising - Success 19 (Power -> off, Keep)    Passed
Add Advertising - Success 20 (Add Adv override)      Passed
Add Advertising - Success 21 (Timeout expires)       Passed
Add Advertising - Success 22 (LE -> off, Remove)     Passed
Add Advertising - Success (Empty ScRsp)              Passed
Add Advertising - Success (ScRsp only)               Passed
Add Advertising - Invalid Params (ScRsp too long)    Passed
Add Advertising - Success (ScRsp appear)             Passed
Add Advertising - Invalid Params (ScRsp appear long) Passed
Add Advertising - Success (Appear is null)           Passed
Add Advertising - Success (Name is null)             Passed
Add Advertising - Success (Complete name)            Passed
Add Advertising - Success (Shortened name)           Passed
Add Advertising - Success (Short name)               Passed
Add Advertising - Success (Name + data)              Passed
Add Advertising - Invalid Params (Name + data)       Passed
Add Advertising - Success (Name+data+appear)         Passed
Total: 47, Passed: 47 (100.0%), Failed: 0, Not Run: 0
Overall execution time: 2.17 seconds

mgmt-tester -s "Remove Advertising"

Test Summary
------------
Remove Advertising - Invalid Params 1                Passed
Remove Advertising - Success 1                       Passed
Remove Advertising - Success 2                       Passed
Total: 3, Passed: 3 (100.0%), Failed: 0, Not Run: 0
Overall execution time: 0.0585 seconds

mgmt-tester -s "Ext Adv MGMT Params"

Test Summary:
------------
Ext Adv MGMT Params - Unpowered                      Passed
Ext Adv MGMT Params - Invalid parameters             Passed
Ext Adv MGMT Params - Success                        Passed
Ext Adv MGMT Params - (5.0) Success                  Passed
Total: 4, Passed: 4 (100.0%), Failed: 0, Not Run: 0
Overall execution time: 0.0746 seconds

mgmt-tester -s "Ext Adv MGMT -"

Test Summary
------------
Ext Adv MGMT - Data set without Params               Passed
Ext Adv MGMT - AD Data (5.0) Invalid parameters      Passed
Ext Adv MGMT - AD Data (5.0) Success                 Passed
Ext Adv MGMT - AD Scan Response (5.0) Success        Passed
Total: 4, Passed: 4 (100.0%), Failed: 0, Not Run: 0
Overall execution time: 0.0805 seconds

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-10-29 16:51:58 +02:00
Luiz Augusto von Dentz
161510ccf9 Bluetooth: hci_sync: Make use of hci_cmd_sync_queue set 1
This make use of hci_cmd_sync_queue for the following MGMT commands:

Set Device Class
Set Device ID
Add UUID
Remove UUID

tools/mgmt-tester -s "Set Device Class"

Test Summary
------------
Set Device Class - Success 1                         Passed
Set Device Class - Success 2                         Passed
Set Device Class - Invalid parameters 1              Passed
Total: 3, Passed: 3 (100.0%), Failed: 0, Not Run: 0
Overall execution time: 0.0599 seconds

tools/mgmt-tester -s "Set Device ID"

Test Summary
------------
Set Device ID - Success 1                            Passed
Set Device ID - Success 2                            Passed
Set Device ID - Disable                              Passed
Set Device ID - Power off and Power on               Passed
Set Device ID - SSP off and Power on                 Passed
Set Device ID - Invalid Parameter                    Passed
Total: 6, Passed: 6 (100.0%), Failed: 0, Not Run: 0
Overall execution time: 0.107 seconds

tools/mgmt-tester -s "Add UUID"

Test Summary
------------
Add UUID - UUID-16 1                                 Passed
Add UUID - UUID-16 multiple 1                        Passed
Add UUID - UUID-16 partial 1                         Passed
Add UUID - UUID-32 1                                 Passed
Add UUID - UUID-32 multiple 1                        Passed
Add UUID - UUID-32 partial 1                         Passed
Add UUID - UUID-128 1                                Passed
Add UUID - UUID-128 multiple 1                       Passed
Add UUID - UUID-128 partial 1                        Passed
Add UUID - UUID mix                                  Passed
Total: 10, Passed: 10 (100.0%), Failed: 0, Not Run: 0
Overall execution time: 0.198 seconds

tools/mgmt-tester -s "Remove UUID"

Test Summary
------------
Remove UUID - Success 1                              Passed
Remove UUID - All UUID - Success 2                   Passed
Remove UUID - Power Off - Success 3                  Passed
Remove UUID - Power Off and On - Success 4           Passed
Remove UUID - Not Exist - Invalid Params 1           Passed
Total: 5, Passed: 5 (100.0%), Failed: 0, Not Run: 0
Overall execution time: 0.0908 seconds

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-10-29 16:51:58 +02:00
Marcel Holtmann
6a98e3836f Bluetooth: Add helper for serialized HCI command execution
The usage of __hci_cmd_sync() within the hdev->setup() callback allows for
a nice and simple serialized execution of HCI commands. More importantly
it allows for result processing before issueing the next command.

With the current usage of hci_req_run() it is possible to batch up
commands and execute them, but it is impossible to react to their
results or errors.

This is an attempt to generalize the hdev->setup() handling and provide
a simple way of running multiple HCI commands from a single function
context.

There are multiple struct work that are decdicated to certain tasks
already used right now. It is add a lot of bloat to hci_dev struct and
extra handling code. So it might be possible to put all of these behind
a common HCI command infrastructure and just execute the HCI commands
from the same work context in a serialized fashion.

For example updating the white list and resolving list can be done now
without having to know the list size ahead of time. Also preparing for
suspend or resume shouldn't require a state machine anymore. There are
other tasks that should be simplified as well.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-10-29 16:51:58 +02:00