Commit Graph

25 Commits

Author SHA1 Message Date
Vinayak Kariappa Chettimada
4a5f263e5a Bluetooth: controller: split: Validate chan map and hop value
Add validation of channel map and hop increment value
received in CONNECT_IND PDU.

Zero bit count leads to controller assert or divide-by-zero
fault.

Hop increment shall be between 5 and 16 by BT Specification.

Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
2020-04-01 14:38:27 +02:00
Morten Priess
41481f92f7 Bluetooth: controller: Prevent LLCP handling of must-expire events
When a must-expire ticker callback is executed, it is important not to
call the LLCP state machine, as the lazy state is unavailable. The code
must rely on the next proper event to call ull_conn_llcp with an updated
non-zero lazy count.

Signed-off-by: Morten Priess <mtpr@oticon.com>
2020-02-26 09:20:58 +01:00
Andrei Stoica
abd1d047dd Bluetooth: controller: enable dynamic TXP over LL_SPLIT arch (#17731)
This commit targets solving issue #17731 over the LL_SW_SPLIT
arch of the BLE stack in Zephyr. This functionality is exposed
to the user as HCI Zephyr Command extensions

- BT_HCI_OP_VS_WRITE_TX_POWER_LEVEL
- BT_HCI_OP_VS_READ_TX_POWER_LEVEL

which enable Tx power read/write operations within BLE radio events
on a per role/connection basis.

The functionality is enabled upon the Kconfig advanced configuration
triggered by

- BT_CTLR_TX_PWR_DYNAMIC_CONTROL

depending on the enablement of Zephyr HCI vendor-specific command
extensions.

Necessary low-level radio HAL functionality and power definitions
are also supplied to address the high-level functionality of
controlling the Tx power.

Signed-off-by: Andrei Stoica <stoica.razvan.andrei@gmail.com>
2019-12-17 12:29:57 +01:00
Vinayak Kariappa Chettimada
d5314b8387 Bluetooth: controller: split: Add missing BT_DEBUG_ENABLED define
Add missing BT_DEBUG_ENABLED definitions.

Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
2019-11-21 17:08:37 +01:00
Vinayak Kariappa Chettimada
e27abee331 Bluetooth: controller: split: Schedule first conn event ASAP
Enable ticker job mayfly as soon as possible when
establishing connection. This is required so as to not miss
the first connection event in slow CPU like in nRF51 series.

Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
2019-11-21 17:08:03 +01:00
Vinayak Kariappa Chettimada
48e5d9482a Bluetooth: controller: split: Fix the slow Enc Setup alternative
Fix the implementation of slow encryption setup design
alternative to send ENC_RSP PDU before sending REJECT_IND
or REJECT_EXT_IND PDU.

Fixes #19917.

Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
2019-11-08 14:29:36 +01:00
Vinayak Kariappa Chettimada
6d8b12468e Bluetooth: controller: split: Refactor LLL conn structure
Refactor the LLL connection context to move out the member
fields not accessed in LLL execution context.

Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
2019-11-04 10:44:59 +01:00
Morten Priess
89ab68f242 bluetooth: controller: Vendor specific ticker resolution margin
With sub-microsecond resolution in ticker, it is not necessary to add a
precision margin to the conn_offset. A macro is created to allow setting
the margin to something other than the hard coded 2 * EVENT_JITTER_US.

Signed-off-by: Morten Priess <mtpr@oticon.com>
2019-11-02 11:14:38 +01:00
Vinayak Kariappa Chettimada
186a584d0a Bluetooth: controller: split: cond. compile job disable
When ULL High and ULL Low are not at same execution priority
level, it is not necessary to disable ULL Low execution when
updating ticker using stop and start. Also, ULL Low need not
be disable inside Radio Events. This commit corrects some of
the conditional compiles.

Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
2019-10-10 12:12:47 +02:00
Morten Priess
5ce4df2a67 bluetooth: controller: Connection meta property support in LLL
Added support for vendor specific meta data in LLL conn object. This
enables vendors to add state data to connection, for supporting
specialized BLE slave features.

Signed-off-by: Morten Priess <mtpr@oticon.com>
2019-09-30 12:52:33 +02:00
Anas Nashif
5d001f3e41 cleanup: include/: move misc/byteorder.h to sys/byteorder.h
move misc/byteorder.h to sys/byteorder.h and
create a shim for backward-compatibility.

No functional changes to the headers.
A warning in the shim can be controlled with CONFIG_COMPAT_INCLUDES.

Related to #16539

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2019-06-27 22:55:49 -04:00
Vinayak Kariappa Chettimada
dd3e8241e9 Bluetooth: controller: split: Port random slave event backoff
Port the implementation that performed random backoff of
forced slave event scheduling.

When peer master implementation skips events, multiple
local overlapping slaves will randomize their forced
scheduling to break out of a round robin pattern increasing
the chance of synchronizing with their masters again.

Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
2019-06-13 14:13:36 +02:00
Vinayak Kariappa Chettimada
79cb615770 Bluetooth: controller: split: Port Enc setup to be queueable
Port the fix for the controller implementation to make start
encryption queueable if there is any control procedure in
progress.

Refer to #15335.
Relates to #15335, #15186, #15958 and #14636.

Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
2019-06-06 10:34:13 +02:00
Joakim Andersson
34758e8349 Bluetooth: controller: Fix rx_ftr and extra overlapping memory
The the footer structure and extra bytes (rssi, resolving index etc.)
were overlapping in memory, rx_ftr was moved into the header, but the
extra and footer are still being read from the same place, extra was
written to the end. So this avoided memory corruption, but reading extra
reads wrong information.

Signed-off-by: Joakim Andersson <joakim.andersson@nordicsemi.no>
Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
2019-05-27 12:59:05 +02:00
Vinayak Kariappa Chettimada
b928cef69c Bluetooth: controller: split: Port h/w privacy feature
Ported h/w based LL privacy to ULL/LLL split architecture.

Fixes #14675.

Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
2019-05-24 12:00:12 -04:00
Mark Ruvald Pedersen
99fae68010 Bluetooth: controller: commentary and readability improvements
* Rename the stack local 'done' to 'evdone' so as to disambiguate from
  MFIFO_DEQUEUE_PEEK(done) which is actually 'mfifo_done'.

* add comment on ull_slave_done

* add comments to addr_us_get

* add comments to HCI_CLASS

Signed-off-by: Mark Ruvald Pedersen <mped@oticon.com>
2019-05-02 11:12:21 +02:00
Erik Brockhoff
1618c1b885 bluetooth: controller: Update to use new EVENT_IFS_US define
Added a new define (EVENT_IFS_US) to pdu.h - this is now used instead of
previous TIFS_US from vendor specific header

Signed-off-by: Erik Brockhoff <erbr@oticon.com>
2019-04-30 15:10:13 +02:00
Vinayak Kariappa Chettimada
7b68ec888c Bluetooth: controller: Move PKT_US to ULL internal header
Minor refactoring to move PKT_US into ULL internal header,
and rename ull_conn_allowed_check to ull_conn_llcp_req.

Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
2019-04-23 12:09:23 -07:00
Patrik Flykt
24d71431e9 all: Add 'U' suffix when using unsigned variables
Add a 'U' suffix to values when computing and comparing against
unsigned variables.

Signed-off-by: Patrik Flykt <patrik.flykt@intel.com>
2019-03-28 17:15:58 -05:00
Wolfgang Puffitsch
d7fac9bf8c Bluetooth: controller: Support big-endian archs in split controller.
Use reverse order for bitfields on big-endian architectures. Treat
all PDU data as little-endian and add conversions as needed. Treat
access address as 4-byte value instead of u32_t to avoid flipping
endianness.

Signed-off-by: Wolfgang Puffitsch <wopu@oticon.com>
2019-03-13 10:37:40 +01:00
Carlos Stuart
75f77db432 include: misc: util.h: Rename min/max to MIN/MAX
There are issues using lowercase min and max macros when compiling a C++
application with a third-party toolchain such as GNU ARM Embedded when
using some STL headers i.e. <chrono>.

This is because there are actual C++ functions called min and max
defined in some of the STL headers and these macros interfere with them.
By changing the macros to UPPERCASE, which is consistent with almost all
other pre-processor macros this naming conflict is avoided.

All files that use these macros have been updated.

Signed-off-by: Carlos Stuart <carlosstuart1970@gmail.com>
2019-02-14 22:16:03 -05:00
Vinayak Kariappa Chettimada
d33641f39a Bluetooth: controller: Remove underscore prefixes from functions
Cleanup and rename functions from having underscore prefixes.

Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
2019-02-13 12:21:51 +01:00
Alexander Svensen
8d86773d6b Bluetooth: controller: refactored llcp_req/ack test to helper function
Moved test of llcp_req/ack to separate helper function in ull_conn.c

Signed-off-by: Alexander Svensen <alsv@nordicsemi.no>
2019-02-12 09:38:25 +01:00
Vinayak Kariappa Chettimada
749652080c Bluetooth: controller: Fix control procedure context safety
Fix the control procedure context safety by adding checks in
thread mode control path to detect pre-emption by interrupt.

Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
2019-01-23 09:45:06 +01:00
Vinayak Kariappa Chettimada
1475402d41 Bluetooth: controller: Introduce ULL LLL architecture
This is a squash merge of commits introducing the new split
Upper Link Layer and Lower Link Layer architecture of the
Bluetooth Low Energy controller.

This introduces a new, improved Link Layer based on the
concept of split responsibilities; The Upper Link Layer
(ULL) is in charge of control procedures, inter-event
scheduling and overall role management. The code for the
ULL is shared among all hardware implementations. The
Lower Link Layer (LLL) is responsible for the intra-event
scheduling and vendor specific radio hardware access.

The communication between ULL and LLL is achieved through
a set of FIFOs that contain both control and data packets.

Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
Signed-off-by: Alberto Escolar Piedras <alpi@oticon.com>
Signed-off-by: Wolfgang Puffitsch <wopu@oticon.com>
Signed-off-by: Morten Priess <mtpr@oticon.com>
2019-01-23 09:45:06 +01:00