net: shell: config: Add a way to see / modify configuration

Add "net config" command to view the current configuration
and modify or remove the configuration data.

Signed-off-by: Jukka Rissanen <[email protected]>

Author: jukkar

subsys/net/lib/config/Kconfig

@@ -30,6 +30,13 @@ config HEAP_MEM_POOL_ADD_SIZE_NET_CONFIG
 	default 1024
 	depends on SETTINGS
 
+config NET_CONFIG_SETTINGS_SHELL_ACCESS
+	bool "Configure options via shell"
+	select SETTINGS
+	help
+	  If this is set, then user is able to use "net config" shell to
+	  update the default options. This requires settings db.
+
 config NET_CONFIG_AUTO_INIT
 	bool "Init networking support automatically during device startup"
 	default y if !(USB_DEVICE_NETWORK || USBD_CDC_ECM_CLASS || USBD_CDC_NCM_CLASS)

subsys/net/lib/shell/CMakeLists.txt

@@ -9,6 +9,7 @@ zephyr_library_link_libraries_ifdef(CONFIG_MBEDTLS mbedTLS)
 zephyr_library_sources_ifdef(CONFIG_NET_SHELL_PKT_ALLOC_SUPPORTED allocs.c)
 zephyr_library_sources_ifdef(CONFIG_NET_SHELL_ETHERNET_SUPPORTED arp.c)
 zephyr_library_sources_ifdef(CONFIG_NET_SHELL_CAPTURE_SUPPORTED capture.c)
+zephyr_library_sources_ifdef(CONFIG_NET_SHELL_CONFIG_SETTINGS_SUPPORTED config.c)
 zephyr_library_sources(conn.c)
 zephyr_library_sources_ifdef(CONFIG_NET_SHELL_DHCPV4_SUPPORTED dhcpv4.c)
 zephyr_library_sources_ifdef(CONFIG_NET_SHELL_DHCPV6_SUPPORTED dhcpv6.c)

subsys/net/lib/shell/Kconfig

@@ -35,6 +35,11 @@ config NET_SHELL_CAPTURE_SUPPORTED
 	default y
 	depends on NET_SHELL_SHOW_DISABLED_COMMANDS || NET_CAPTURE
 
+config NET_SHELL_CONFIG_SETTINGS_SUPPORTED
+	bool "Network stack configuration"
+	default y
+	depends on NET_SHELL_SHOW_DISABLED_COMMANDS || NET_CONFIG_SETTINGS
+
 config NET_SHELL_DHCPV4_SUPPORTED
 	bool "DHCPv4 start / stop"
 	default y