Coverity detected that a zero divisor can be passed to
ll_create_connection() without parameter sanitization. Conditionally
check the connection creation parameters according to spec.
Fixes#35343.
Signed-off-by: Carles Cufi <carles.cufi@nordicsemi.no>
Fix the missing HCI event data len limit check when encoding
incomplete advertising data report.
Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
Max data length has to be adjusted for subevent code, otherwise we'll
hit an assert when trying to add data to event due to insufficient
free space.
Signed-off-by: Andrzej Kaczmarek <andrzej.kaczmarek@codecoup.pl>
As EVENT_OVERHEAD_START_US offset is used in ticks unit in
LLL, ULL scheduling using ticker should also use ticks unit
for EVENT_OVERHEAD_START_US when reducing the first
connection event preparation.
Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
Revert the strict preempt ticker start failure check.
Preempt ticker start can fail when enqueuing prepares into
already filled pipeline which has preempt ticker already
started for the first prepare that was added in the
pipeline.
Regression introduced in commit 5b75bdf589 ("Bluetooth:
controller: nRF5: Check preempt event on timeout").
Fixes#35476.
Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
Fix side effect in assertion when checking a volatile
variable inside assert check.
Fixes#32904, #32923.
Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
Fix regression in PPIs use for nRF52805 SoC, which has
fewer of them. And the regression was introduced in
commit e603b9d59e ("Bluetooth: controller: Adjust PPI
used for nRF51x and nRF52x").
Fixes#35204.
Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
Fix advertiser and scanning context being accessed on done
event when connection complete node rx that is processed
earlier has release them.
Relates to #30735.
Fixes#35013.
Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
Replace the use of LL_FEAT define with ll_feat_get() so that
feature set value can be updated at runtime with host
feature bit values.
Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
Fix radio event scheduling stall when using BT_CTLR_LOW_LAT
feature.
Performing a Connection Update Procedure on an ACL
connection while simultaneously having continuous scanning
causes the ACL connection to drop in nRF51 series which uses
BT_CTLR_LOW_LAT by default.
Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
Added Kconfig option to configure the maximum Broadcast and
Synchronized Receiver ISO PDU length.
Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
The amount of needed done events changes when using the "must expire"
logic.
Make the amount vendor configurable (via ull_vendor.h)
Defaults to the original amount of 3.
Signed-off-by: Thomas Ebert Hansen <thoh@oticon.com>
Added function ull_conn_iso_resume_ticker_start to enable LLL ISO
peripheral/central to start the one-shot resume ticker.
At timeout the common lll_resume handler is called, and based on the
LLL state, the peripheral/central is able to resume the CIG event.
The resume acts exactly like a normal event resume from the prepare
pipeline, with the exception that the LLL must provide specific
lll_event instances.
Signed-off-by: Morten Priess <mtpr@oticon.com>
Add BT_CTLR_ISO_TX_BUFFER_SIZE depends on Broadcast ISO
and/or Connected ISO feature being enabled.
Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
Only accumulate latency when event has not been prepared but
has been aborted while being enqueued in pipeline.
Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
Change use of dedicated memory pool for linked list nodes for
node_rx_iq_report to common mem_link_rx. Former solution had
a drawback. Released link nodes may be enqueued to wrong memory
pool. E.g. link related with nopde_rx_iq_report went to common
link memory pool, whereas link nodes from common pool were enqueued
to dedicated list.
The solution was working because links have the same memory layout,
just different memory pools they originated from.
The problem may occur if one of those link memory pools is reset.
Then the same link may be used by node_rx and node_rx_iq_report
at the same time, causing controller failure.
Signed-off-by: Piotr Pryga <piotr.pryga@nordicsemi.no>
Direction finding is implemented only for Nordic link layer.
Build was failing due to missing header files for Openisa (RiskV).
Added dummy lll_df_types.h header file to OpenISA lower link layer.
Signed-off-by: Piotr Pryga <piotr.pryga@nordicsemi.no>
Set BT_CTLR_DF_ANT_SWITCH_RX enabled by default.
There is already added implementation that supports
this feature in controller, so it may be enabled by
default.
Signed-off-by: Piotr Pryga <piotr.pryga@nordicsemi.no>
Add connectionless CTE RX feature to list of features supported
by controller. Add direction finding initialization in hci_core
if the feature is enabled.
Signed-off-by: Piotr Pryga <piotr.pryga@nordicsemi.no>
Disable of CTE sampling for periodic advertising sync PDUs may be
interrupted by radio event. In such situation, TX thread will be
handled before RX thread delivers IQ samples report to host. In
this case RX thread would deliver IQ samples report after CTE
sampling was disabled.
To avoid such situation RX thread has to check if:
- CTE sampling is not disabled,
- CTE sampling was not requested to be disabled after start of radio
event.
CTE sampling configuration is double buffered. Updated configuration is
swapped at the beginning of radio event.
If CTE sampling is diabled or requested to disable (next radio event
didn't start), the IQ samples report should be dropped by RX thread
and should not be delivered to host.
Signed-off-by: Piotr Pryga <piotr.pryga@nordicsemi.no>
Add reporing of IQ samples collected for CTE attached to periodic
advertising PDUs with bad CRC.
Signed-off-by: Piotr Pryga <piotr.pryga@nordicsemi.no>
Add Kconfig option that will enable possiblity to sample CTE attached to
PDUs that have bard CRC. Sampling is based on CTEInfo field available
in received PDU. If radio is able to parse the field correclty then
it will start sampling even the CRC is wrong.
Signed-off-by: Piotr Pryga <piotr.pryga@nordicsemi.no>
Add function that enables or disables CTE sampling attached to received
periodic advertising PDUs.
Signed-off-by: Piotr Pryga <piotr.pryga@nordicsemi.no>
ULL may request LLL to start receiving and sampling CTE attached to
end of periodic advertising PDUs. When the CTE is successfully sampled,
LLL should report collected samples to ULL.
Signed-off-by: Piotr Pryga <piotr.pryga@nordicsemi.no>
Nordic Radio perihperal provides possiblity to get value of CTEInfo
field parsed from received PDU. It is faster to get the information
from Radio register than parse a PDU content.
Signed-off-by: Piotr Pryga <piotr.pryga@nordicsemi.no>
Add function to enable CTE receive and sampling. The function
is aimed to be used by code in lll_sync.
Signed-off-by: Piotr Pryga <piotr.pryga@nordicsemi.no>
To enable or disable CTE sampling during periodic advertising sync evnet
it is requireq to change the event duration. To make it possible new
function was added that handles the operation.
Signed-off-by: Piotr Pryga <piotr.pryga@nordicsemi.no>
lll_sync object is used to store information for LLL to enable
or disable CTE sampling. The commit adds initialization of
lll_df_sync member of lll_sync.
Signed-off-by: Piotr Pryga <piotr.pryga@nordicsemi.no>
To enable or disable CTE sampling in periodic advertising scanner LLL
implementation lll_sync is extended by lll_df_sync member.
The lll_df_sync is a double buffer for lll_df_sync_cfg.
It will be used by LL thread to enable or disable CTE sampling and
provide configuration for sampling CTE in AoA mode.
Signed-off-by: Piotr Pryga <piotr.pryga@nordicsemi.no>
Add handling of Direction Finding node_rx_iq_report type in ULL.
This is required to correctly deliver IQ samples collected by
LLL during receive of PDU including CTE.
Signed-off-by: Piotr Pryga <piotr.pryga@nordicsemi.no>
CTE sampling enable or disable requests should be provided to LLL.
Double buffer of lll_df_sync_cfg is added to lll_sync for that purpose
Thanks to that:
- there is no need to synchronize LLL with LL thread
- LLL has always access to valid configuration (new or former)
The configuration is stored in double buffer as instances
of lll_df_sync_cfg, not as pointers. This is the only
difference between double buffer pattern used to store adverising PDU.
Signed-off-by: Piotr Pryga <piotr.pryga@nordicsemi.no>
Add new structure lll_df_sync_cfg to store DF configuration
for periodic advertising synchronization.
Signed-off-by: Piotr Pryga <piotr.pryga@nordicsemi.no>
Add functions that will allow to mangage IQ reports memory pool
e.g. allocate or relase new IQ report nodes.
Signed-off-by: Piotr Pryga <piotr.pryga@nordicsemi.no>
Add new kind of node_rx type that will store IQ samples report.
The structure includes node_rx_hdr and may be used by the same
queues that are used to forward regular node_rx_pdu objects
between LLL and ULL.
Signed-off-by: Piotr Pryga <piotr.pryga@nordicsemi.no>
Direction Finding support requires possibility to receive and sample CTE
attached to periodic advertising PDUs. New option will be used to enable
or disable the functionality. New option is introduced to avoid using
double statements checking if BT_CTLR_DF_CTE_RX and BT_CTLR_SYNC_-
-PERIODIC are enabled.
Signed-off-by: Piotr Pryga <piotr.pryga@nordicsemi.no>
To avid enabling HCI drived debugging, like in other controller source
files, Direction Finding has its own option BT_CTLR_DF_DEBUG_ENABLE.
This gives fine grained control deubgging output.
Signed-off-by: Piotr Pryga <piotr.pryga@nordicsemi.no>
Set to disabled not yet implemented Direction Finding features.
The features will be enabled by default when they are implemented.
Signed-off-by: Piotr Pryga <piotr.pryga@nordicsemi.no>
IQ samples report requires information about antenna switch pattern
that was used to measure RSSI. RSSI is measured during PDU receive.
For Nordic Radio peripheral the PDU antenna is selected by first antenna
switch pattern set in SWITCHPATTERN register. That pattern is providded
by device tree. This information is already available in radio_df.c.
The information is required by LLL, that has access to functions
provided in radio_df.c. New function was provided to return PDU antenna
switch pattern.
Signed-off-by: Piotr Pryga <piotr.pryga@nordicsemi.no>
Check whether the preempt event matches with the head of the
pipeline before aborting the currently active event.
This is required to avoid preemption of events that became
active due to done event and there has been a race in
stopping the preempt ticker.
Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
