With the introduction of `EXPERIMENTAL` and `WARN_EXPERIMENTAL` in
Zephyr all subsys/bluetooth and drivers/bluetooth/hci settings having
`[EXPERIMENTAL]` in their prompt has has been updated to include
`select EXPERIMENTAL` so that developers can enable warnings when
experimental features are enabled.
Signed-off-by: Torsten Rasmussen <Torsten.Rasmussen@nordicsemi.no>
Align with the new inclusive naming terms in the v5.3 spec in the
Bluetooth Host implementation.
Signed-off-by: Carles Cufi <carles.cufi@nordicsemi.no>
The Bluetooth Core Specification, version 5.3, has introduced multiple
changes to several widely-used terms in order to make them inclusive.
Update the public API to reflect this, excluding hci.h, which will be
done in a subsequent commit.
Signed-off-by: Carles Cufi <carles.cufi@nordicsemi.no>
After 31045c7 was merged, it was possible to use broadcast
iso without CONFIG_BT_CONN, but it did not properly handle
TX as there were missing support to read the buffer
size from the controller, as well as missing support
for handling the number of completed packets event.
Signed-off-by: Emil Gydesen <emil.gydesen@nordicsemi.no>
Because we use the extended kconfig, we have already
supported relative paths, and it is clearer to use
relative paths in the bluetooth submodules.
Signed-off-by: Lingao Meng <menglingao@xiaomi.com>
When the Bluetooth stack is configured for CONFIG_BT_MAX_CONN > 1
the oldest key might currently be in use. Fix the logic to ensure the
oldest key overwritten is from the set of keys currently not in use.
Fixes: https://github.com/zephyrproject-rtos/zephyr/issues/35999
Signed-off-by: Faisal Saleem <faisal.saleem@setec.com.au>
Signed-off-by: Nick Ward <nick.ward@setec.com.au>
Add Kconfig option that will enable support for CTE reception
in connected mode. Thanks to that it will be possible to
conditionally enable or disable support of the feature and
decrease code size if the feature is not required.
Signed-off-by: Piotr Pryga <piotr.pryga@nordicsemi.no>
Add Kconfig option that will enable supprot for connectionless
CTE reception. Thanks to that it will be possible to conditionally
enable or disable support of the feature and decrease code size
if the feature is not required.
Signed-off-by: Piotr Pryga <piotr.pryga@nordicsemi.no>
Refactor and simplify the bluetooth buffer configurations to improve the
easy of configurations and eliminate invalid ones.
By moving configurations out of host and controller specific
configurations and into a common one it becomes easier to configure
the host and controller separately as the same configurations can be
used as would be for a combined build.
All HCI configurations are now given exluding the matching HCI header,
which eases the configuration as the application don't have to know the
different header sizes.
The BT_RX_BUF_LEN is split into ACL and Event, as well as the suprising
use of Command size.
BT_L2CAP_RX_MTU is removed as the stack does not support reassembling of
HCI ACL data to larger L2CAP PDUs. The application will have to set
ACL RX size and account for the L2CAP PDU header itself.
BT_EATT_RX_MTU was removed as it is only used for setting a different
default value for another option which leads to the stuck kconfig symbol
problem.
The configurations can be updated according to the table below:
** New configuration | ** Old configuration
All configurations
BT_BUF_ACL_RX_SIZE | BT_L2CAP_RX_MTU + 4
BT_BUF_ACL_RX_SIZE | BT_RX_BUF_LEN - 4
BT_BUF_EVT_RX_SIZE | BT_RX_BUF_LEN - 2
BT_BUF_CMD_TX_SIZE | BT_RX_BUF_LEN - 3
BT_BUF_CMD_TX_COUNT | BT_HCI_CMD_COUNT
BT_BUF_EVT_RX_COUNT | BT_RX_BUF_COUNT
BT_BUF_ACL_RX_COUNT | BT_RX_BUF_COUNT
BT_BUF_ACL_RX_COUNT | BT_ACL_RX_COUNT
BT_BUF_EVT_DISCARDABLE_SIZE | BT_DISCARDABLE_BUF_SIZE - 2
BT_BUF_EVT_DISCARDABLE_COUNT | BT_DISCARDABLE_BUF_COUNT
Controller-build
BT_BUF_ACL_TX_SIZE | BT_CTLR_TX_BUFFERS_SIZE
BT_BUF_ACL_TX_COUNT | BT_CTLR_TX_BUFFER
HCI-bridge
BT_BUF_ACL_TX_SIZE | BT_HCI_ACL_DATA_SIZE
BT_BUF_ACL_TX_COUNT | 6
Fixed invalid configurations setting either BT_L2CAP_RX_MTU or
BT_CTLR_DATA_LENGTH_MAX larger than BT_RX_BUF_LEN could lead to buffer
overruns.
Fix advertising report max data length calculation.
This always used the BT_DISCARDABLE_BUF_SIZE macro but this feature
can be turned off and advertising reports will be allocated from the RX
buffer in that case. Also controller-build does not have this buffer
(in hci_raw.c). Also the wrong HCI header was used in the calculation,
HCI event header should have been used instead of HCI ACL header.
Signed-off-by: Joakim Andersson <joakim.andersson@nordicsemi.no>
Remove discardable buffer dependency on the specific implementations
except for HCI raw.
All of the in-tree Host-side HCI drivers have implemented discardable
buffer behavior.
Signed-off-by: Joakim Andersson <joakim.andersson@nordicsemi.no>
Fix ECC thread stack size which is to small to account for the worst
case scenario. When an interrupt happens at the point where the ECC
thread is at the highest stack size usage pushing the thread context
to service the ISR causes a stack overflow.
Increase the ECC thread stack size by atleast the size of the basic
stack frame of 32 bytes aligned on 8 byte for ARM architectures.
Signed-off-by: Joakim Andersson <joakim.andersson@nordicsemi.no>
Adds a Kconfig option to set the minimum key size accepted
by this device. This can be used to e.g. enforce 128-bit keys.
Signed-off-by: Emil Gydesen <emil.gydesen@nordicsemi.no>
Fix CONFIG_BT_HCI_ACL_DATA_SIZE default value set to 0 when data length
feature in the controller is not enabled. In this case the default value
will be set to 0 which is outside of the range specified for the option.
Signed-off-by: Joakim Andersson <joakim.andersson@nordicsemi.no>
Add the option CONFIG_BT_HCI_ACL_DATA_SIZE which allows the user
to configure the max HCI ACL data payload. This is needed for platorms
where the BLE LL, HCI uart and host run on three different cores.
Fixes: #30441
Signed-off-by: Johan Stridkvist <johan.stridkvist@nordicsemi.no>
Log the security keys that the sniffer needs in order to sucessfully
decrypt the connection.
This option allows the sniffer to work in the cases where enabling
using the SMP debug keys is not wanted, either because it changes the
way the peer behaves or is denied by the peer.
It also enables the sniffer to decrypt a connection where the bond
already exists.
Signed-off-by: Joakim Andersson <joakim.andersson@nordicsemi.no>
There's a prompt to set the TX stack size, that's documented as an
advanced setting, but attempts to override it it are rejected unless
you add another setting that allows it to be change. Tell the user
how to make changes work.
Signed-off-by: Peter Bigot <peter.bigot@nordicsemi.no>
Remove the depency on host emulation of ECC for the Use debug keys
option.
This allows the application to use debug keys without shifting the
ECC from the controller to the host, which could potentially alter
the behavior of the application and make debugging this way less useful.
Signed-off-by: Joakim Andersson <joakim.andersson@nordicsemi.no>
It was decided that the Bluetooth audio subsystem should
be in subsys/bluetooth/audio instead of subsys/bluetooth/host/audio.
Signed-off-by: Emil Gydesen <emil.gydesen@nordicsemi.no>
This commit moves the BT_ISO to a common (host and controller)
Kconfig and fixes the ISO buffers in hci_raw.c
Signed-off-by: Emil Gydesen <emil.gydesen@nordicsemi.no>
The Bluetooth SMP protocol depends on the BT_ECC for the LE Secure
Connections pairing. Since this feature cannot be disabled we must
select this dependency.
Signed-off-by: Joakim Andersson <joakim.andersson@nordicsemi.no>
Add Direction Finding to host initialization sequence.
It allows to get information about Direction finding
optional CTE settings supported by controller.
Signed-off-by: Piotr Pryga <piotr.pryga@nordicsemi.no>
Add Bluetooth 5.1 Direction Finding HCI command:
HCI_LE_Read_Antenna_Information handling to Host.
Add wrapper function to handle send the command
and receive response from Controller.
Signed-off-by: Piotr Pryga <piotr.pryga@nordicsemi.no>
Document the behavior of the bt_conn_le_conn_update API when the
local device is the peripheral role.
Signed-off-by: Joakim Andersson <joakim.andersson@nordicsemi.no>
Introduce a support kconfig for controller ECDH command support.
Default to host ECDH emulation in combined host controller build
where the controller does not support these commands.
Signed-off-by: Joakim Andersson <joakim.andersson@nordicsemi.no>
Remove the range on the setting the bluetooth BT_RX_STACK_SIZE.
This range prevents setting the RX stack size lower than 1024,
which depending on the application is too high.
Signed-off-by: Joakim Andersson <joakim.andersson@nordicsemi.no>
A build assert in dummy.c lists the following requirement:
[...] receive thread priority shall be higher than the Bluetooth
Host's Tx and the Controller's receive thread priority.
This is required in order to dispatch Number of Completed Packets
event before any new data arrives on a connection to the Host threads.
The drivers uses a priority that is equal to the Host TX thread,
and since they don't use the CONFIG define that is only available
to the controller then this BUILD_ASSERT will not catch the
requirement.
Signed-off-by: Joakim Andersson <joakim.andersson@nordicsemi.no>
This adds CONFIG_BT_CONN_DISABLE_SECURITY which can be used to disable
security checks for incoming requests enabling to test accessing GATT
attributes and L2CAP channels that would otherwise require
encryption/authentication in order to be accessed.
It depends on BT_TESTING to indicate to the users that this is a
testing feature which shall not be used in production.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Fix host RX thread being deadlocked. The deadlock occurs because the
RX thread is stuck waiting in conn_tx_alloc with K_FOREVER but if the
connection is disconnected only the RX thread can unblock it in the
handling of the disconnect event.
This commit fixes this deadlock by splitting the processing of the
disconnected event into two parts.
The part needed to unblock the RX is to release resources held by
unack'ed TX packets and mark the connection state as not connected
anymore.
The RX thread waiting for free_tx fifo and the TX thread waiting for
the bt_dev.le.pkts semaphore will both check the connected state after
having acquired them and will abort if disconnected.
The rest of the processing will be handled at normal RX thread
priority like normal.
Move the bt_recv_prio handling to the Bluetooth host when the host
has defined its own RX thread (CONFIG_BT_RECV_IS_RX_THREAD=n).
If the HCI driver has the RX thread (CONFIG_BT_RECV_IS_RX_THREAD=y),
then the responsibility to call bt_recv and bt_recv_prio correctly
falls to the HCI driver.
The helper function bt_hci_evt_is_prio() is replaced with
bt_hci_evt_get_flags() so that the HCI driver can do this correctly.
This decision to replace was made so that existing HCI drivers
maintained out-of-tree will fail at compile time with the new system.
Signed-off-by: Joakim Andersson <joakim.andersson@nordicsemi.no>
Signed-off-by: Carles Cufi <carles.cufi@nordicsemi.no>
Bluetooth: host: Move bt_recv_prio to host when RX thread is defined
Signed-off-by: Joakim Andersson <joakim.andersson@nordicsemi.no>
Add warning about enabling the options below so that users are
aware that this is a security risk.
- CONFIG_BT_DEBUG_SMP
- CONFIG_BT_DEBUG_KEYS
- CONFIG_BT_OOB_DATA_FIXED
- CONFIG_BT_USE_DEBUG_KEYS
- CONFIG_BT_STORE_DEBUG_KEYS
Signed-off-by: Carles Cufi <carles.cufi@nordicsemi.no>
Add application control of initiating phy change procedure and it's
parameters.
The reasons for allowing the application control over the PHY:
- Allow changing to Coded PHY.
- Application may change PHY to react to changes in environment
to balance throughput and range.
Signed-off-by: Joakim Andersson <joakim.andersson@nordicsemi.no>
Add application control of initiating data length procedure and it's
parameters.
The reasons for allowing the application control over the data length:
- Bandwidth control adjusted based on number of active connections.
- Changing data length before switching to coded phy.
- Applying workarounds for interoperability problems.
- Controlling order of ATT MTU and data length procedures.
Signed-off-by: Joakim Andersson <joakim.andersson@nordicsemi.no>
Add Kconfig option so that the application can disable automatic
initiation of the data length procedure. This is symmetric with the
PHY auto initiation kconfig option.
Signed-off-by: Joakim Andersson <joakim.andersson@nordicsemi.no>
Extends the bt_conn_le_create_param struct to provide the option
to set a custom timeout for the initiation of the connection.
The logic for the default values of window_coded and interval_coded
were moved to conn.c in order to resolve all defaults for the
create_param struct at a single location.
Timeout is not added as a parameter to the BT_CONN_LE_CREATE_PARAM
macro due to the expectation that CONFIG_BT_CREATE_CONN_TIMEOUT
will be the typical value that users will expect.
Fixes#23468
Signed-off-by: Jordan Yates <jordan.yates@data61.csiro.au>
Update buffer sizes needed when advertising extensions is enabled. Since
BT_RX_BUF_LEN is used for the HCI command as well we need to fit the
full 255 bytes of the Set Extended Advertising Data or Scan Response
Data plus the 3 byte header of an HCI command.
For the discardable buffer size we need to fit the LE Extended
Advertising Report event, which can be a maximum of 255 bytes plus the
2 byte header of an HCI event.
Signed-off-by: Joakim Andersson <joakim.andersson@nordicsemi.no>
The commit e85dd8af5d changed the way the BT_ECC Kconfig option
is enabled, however it got the dependency wrong. The dependency should
only look at BT_SMP_OOB_LEGACY_PAIR_ONLY if BT_SMP was also enable.
This broke e.g. the build of the mesh_demo app for the BBC
micro:bit since the memory consumption jumped up by roughly 2k.
This patch fixes the issue, and in the same go makes the Mesh handling
consistent by also using a conditional default rather than select.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Added CONFIG_BT_SMP_OOB_LEGACY_PAIR_ONLY option that completely disables
all legacy and SC pairing modes(except for Out of Band) and frees the
memory previously used by these.
Added CONFIG_BT_SMP_DISABLE_LEGACY_JW_PASSKEY option that force rejects
pair requests that lead to legacy Just Works or Passkey pairing.
Signed-off-by: Iván Morales <ivan98ams@gmail.com>
Corrected configuration of BT_HCI_RESERVE for the RPMsg HCI driver.
This change fixes the following assert:
[net_buf_simple_headroom(buf) >= len] @ ZEPHYR_BASE/subsys/net/buf.c:881
Signed-off-by: Kamil Piszczek <Kamil.Piszczek@nordicsemi.no>
I think people might be reading differences into 'if' and 'depends on'
that aren't there, like maybe 'if' being needed to "hide" a symbol,
while 'depends on' just adds a dependency.
There are no differences between 'if' and 'depends on'. 'if' is just a
shorthand for 'depends on'. They work the same when it comes to creating
implicit menus too.
The way symbols get "hidden" is through their dependencies not being
satisfied ('if'/'depends on' get copied up as a dependency on the
prompt).
Since 'if' and 'depends on' are the same, an 'if' with just a single
symbol in it can be replaced with a 'depends on'. IMO, it's best to
avoid 'if' there as a style choice too, because it confuses people into
thinking there's deep Kconfig magic going on that requires 'if'.
Going for 'depends on' can also remove some nested 'if's, which
generates nicer symbol information and docs, because nested 'if's really
are so simple/dumb that they just add the dependencies from both 'if's
to all symbols within.
Replace a bunch of single-symbol 'if's with 'depends on' to despam the
Kconfig files a bit and make it clearer how things work. Also do some
other minor related dependency refactoring.
The replacement isn't complete. Will fix up the rest later. Splitting it
a bit to make it more manageable.
(Everything above is true for choices, menus, and comments as well.)
Detected by tweaking the Kconfiglib parsing code. It's impossible to
detect after parsing, because 'if' turns into 'depends on'.
Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
This commit adds a new option CONFIG_BT_SMP_USB_HCI_CTLR_WORKAROUND
to support USB HCI controllers that sometimes send out-of-order HCI
events and ACL Data due to using different USB endpoints.
Enabling this option will make the master role not require the
encryption-change event to be received before accepting
key-distribution data.
It opens up for a potential vulnerability as the master cannot detect
if the keys are distributed over an encrypted link.
Fixes: #22086
Signed-off-by: François Delawarde <fnde@oticon.com>
Document why a privacy-disabled scanner will not notify about directed
advertising reports. This is the default behaviour of the
privacy-disabled scanner. In order to receive the reports the option
BT_SCAN_WITH_IDENTITY must be enabled.
Signed-off-by: Joakim Andersson <joakim.andersson@nordicsemi.no>
Similar to pairing_confirm this callback is called each
time a peer requests pairing, but for all types of
pairings, except SSP. The pairing req/rsp information is
passed as a parameter so the application can decide
wheter to accept or reject the pairing.
Fixes: #21036
Signed-off-by: Martin Rieva <mrrv@demant.com>
Moves the Mesh AES-CCM module out into a separate module, to make it
accessible from other subsystems. Adds the new CCM API in
include/bluetooth/crypto.h along with the bt_encrypt functions.
Signed-off-by: Trond Einar Snekvik <Trond.Einar.Snekvik@nordicsemi.no>
Handle initiator role when RPA timeout expires. For direct connect
establishment procedure we make sure the RPA is refreshed when starting
initiator and limit the timeout to the RPA timeout.
For auto establishment procedure we cancel the initiator and restart it
again in the connection complete event that is generated when canceling
an initiator.
Signed-off-by: Joakim Andersson <joakim.andersson@nordicsemi.no>
Fix error in calculation of the minimum discardable buffer size. For
the LE Advertising Report the maximum payload is 31 bytes plus
additional data in the event gives an event size of 41 bytes (given that
num_reports is 1). Since this is a meta event we need to include the
sub-event code, plus the event header of 2 bytes. Total of 44 bytes.
This is a regression from afa9c42d75 where we forgot th 1 byte for the
RSSI that is appended after the data. Easy to miss since it is not part
of the struct.
Fix error in calculation of the num complete buffer size. Here we forgot
to include the 2 byte event header.
This is a regression from 89981b07c8.
Signed-off-by: Joakim Andersson <joakim.andersson@nordicsemi.no>
