subsys: net: ip: l2: Add OpenThread L2

Add OpenThread to Zephyrs net stack as data link layer.
OpenThread requires to call process function when an event occurs.
This process function is called from cooperative thread.

Packet conversion and dispaching is implemented in openthread.c
as well as addresses forwarding.

Signed-off-by: Kamil Sroka <[email protected]>

Author: KaSroka

subsys/net/ip/l2/CMakeLists.txt

@@ -21,3 +21,7 @@ endif()
 if(CONFIG_NET_L2_IEEE802154)
   add_subdirectory(ieee802154)
 endif()
+
+if(CONFIG_NET_L2_OPENTHREAD)
+  add_subdirectory(openthread)
+endif()

subsys/net/ip/l2/Kconfig

@@ -132,4 +132,6 @@ config NET_DEBUG_ARP
 	help
 	  Enables core ARP code part to output debug messages
 
+source "subsys/net/ip/l2/openthread/Kconfig"
+
 endmenu

subsys/net/ip/l2/openthread/CMakeLists.txt

@@ -0,0 +1,14 @@
+zephyr_library_named(subsys__net__ip__l2__openthread)
+zephyr_library_include_directories(. ../..)
+zephyr_library_compile_definitions_ifdef(
+  CONFIG_NEWLIB_LIBC __LINUX_ERRNO_EXTENSIONS__
+  )
+
+zephyr_library_sources(
+  openthread.c
+  openthread_utils.c
+  )
+
+add_dependencies(subsys__net__ip__l2__openthread
+  ot
+  )

subsys/net/ip/l2/openthread/Kconfig

@@ -0,0 +1,190 @@
+# Kconfig - OpenThread driver configuration options
+#
+#
+# Copyright (c) 2018 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+#
+# OpenThread options
+#
+menuconfig NET_L2_OPENTHREAD
+	bool
+	prompt "OpenThread L2"
+	depends on FLASH
+	depends on FLASH_PAGE_LAYOUT
+	depends on ENTROPY_GENERATOR
+	select OPENTHREAD_PLAT
+
+if NET_L2_OPENTHREAD
+
+config OPENTHREAD_PLAT
+	bool
+	depends on NET_L2_OPENTHREAD
+	default n
+	help
+	This option enables OpenThread platform
+
+if OPENTHREAD_PLAT
+
+menuconfig OPENTHREAD_DEBUG
+	bool
+	default n
+	prompt "OpenThread stack log support"
+	help
+	  This option enables log support for OpenThread
+
+if OPENTHREAD_DEBUG
+
+choice
+	prompt "OpenThread stack log level"
+	help
+	  This option selects log level for OpenThread stack.
+
+config OPENTHREAD_LOG_LEVEL_ERROR
+	bool "Error"
+config OPENTHREAD_LOG_LEVEL_WARNING
+	bool "Warning"
+config OPENTHREAD_LOG_LEVEL_INFO
+	bool "Info"
+config OPENTHREAD_LOG_LEVEL_DEBUG
+	bool "Debug"
+endchoice
+
+endif
+
+endif
+
+config	OPENTHREAD_LOG_LEVEL
+	int
+	default 0
+	default 1 if OPENTHREAD_LOG_LEVEL_ERROR
+	default 2 if OPENTHREAD_LOG_LEVEL_WARNING
+	default 3 if OPENTHREAD_LOG_LEVEL_INFO
+	default 4 if OPENTHREAD_LOG_LEVEL_DEBUG
+
+menuconfig OPENTHREAD_L2_DEBUG
+	bool
+	prompt "OpenThread L2 log support"
+	help
+	  This option enables log support for OpenThread
+
+if OPENTHREAD_L2_DEBUG
+choice
+	prompt "OpenThread L2 log level"
+	depends on OPENTHREAD_L2_DEBUG
+	help
+	  This option selects log level for OpenThread driver.
+
+config OPENTHREAD_L2_LOG_LEVEL_ERROR
+	bool "Error"
+config OPENTHREAD_L2_LOG_LEVEL_WARNING
+	bool "Warning"
+config OPENTHREAD_L2_LOG_LEVEL_INFO
+	bool "Info"
+config OPENTHREAD_L2_LOG_LEVEL_DEBUG
+	bool "Debug"
+endchoice
+
+config OPENTHREAD_L2_DEBUG_DUMP_15_4
+	bool
+	prompt "Dump 802.15.4 packets"
+	help
+	  This option enables dumping of 802.15.4 packets
+
+config OPENTHREAD_L2_DEBUG_DUMP_IPV6
+	bool
+	prompt "Dump IPv6 packets"
+	help
+	  This option enables dumping of IPv6 packets
+
+endif
+
+config	OPENTHREAD_L2_LOG_LEVEL
+	int
+	default 0
+	default 1 if OPENTHREAD_L2_LOG_LEVEL_ERROR
+	default 2 if OPENTHREAD_L2_LOG_LEVEL_WARNING
+	default 3 if OPENTHREAD_L2_LOG_LEVEL_INFO
+	default 4 if OPENTHREAD_L2_LOG_LEVEL_DEBUG
+
+config OPENTHREAD_THREAD_PRIORITY
+	int
+	prompt "OpenThread thread priority"
+	default 8
+
+config OPENTHREAD_THREAD_STACK_SIZE
+	int
+	prompt "OpenThread thread stack size"
+	default 3072
+
+config OPENTHREAD_PKT_LIST_SIZE
+	int
+	prompt "List size for Ip6 packet buffering"
+	default 10
+
+config OPENTHREAD_PANID
+	int
+	prompt "Default PAN ID"
+	default 43981
+
+config OPENTHREAD_CHANNEL
+	int
+	prompt "Default Channel"
+	default 11
+
+choice
+	prompt "OpenThread device type"
+	help
+	  This option selects Thread network device type
+
+config OPENTHREAD_FTD
+	bool "FTD - Full Thread Device"
+config OPENTHREAD_MTD
+	bool "MTD - Minimal Thread Device"
+endchoice
+
+config OPENTHREAD_SHELL
+	bool
+	prompt "Enable OpenThread shell"
+	select CONSOLE_SHELL
+	default y
+
+config OPENTHREAD_DIAG
+	bool
+	prompt "Diagnostic functions support"
+	help
+	  Enable OpenThread CLI diagnostic commands
+
+config OPENTHREAD_COMMISSIONER
+	bool
+	prompt "Commisioner functions support"
+	help
+	  Enable commissioner capability in OpenThread stack
+
+config OPENTHREAD_JOINER
+	bool
+	prompt "Joiner functions support"
+	help
+	  Enable joiner capability in OpenThread stack
+
+config OPENTHREAD_JAM_DETECTION
+	bool
+	prompt "Jam detection support"
+	help
+	  Enable jam detection in OpenThread stack
+
+config OT_PLAT_RADIO_DEVICE_NAME
+	string
+	prompt "IEEE802.15.4 radio device name"
+	default "IEEE802154_nrf5"
+
+config OT_PLAT_FLASH_PAGES_COUNT
+	int
+	prompt "Flash pages count used by OpenThread platform"
+	default 4
+	help
+	  This option sets flash pages count used by OpenThread to store its settings. They are located at the end of flash.
+
+endif