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Kconfig
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Kconfig
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# Options for networking configuration
# Copyright (c) 2017 Intel Corporation.
# SPDX-License-Identifier: Apache-2.0
config NET_CONFIG_AUTO_INIT
bool "Init networking support automatically during device startup"
default n if USB_DEVICE_NETWORK
default y
help
If this option is set, then the networking system is automatically
initialized when the device is started. If you do not wish to do
this, then disable this and call net_config_init() in your application.
config NET_CONFIG_INIT_PRIO
int "Startup priority for the network application init"
default 95
depends on NET_CONFIG_AUTO_INIT
config NET_CONFIG_INIT_TIMEOUT
int "How long to wait for networking to be ready and available"
default 30
help
The value is in seconds. If for example IPv4 address from DHCPv4 is not
received within this limit, then the net_config_init() call will fail
during the device startup.
config NET_CONFIG_NEED_IPV6
bool "This application wants IPv6 support"
depends on NET_CONFIG_AUTO_INIT
select NET_IPV6
help
The network application needs IPv6 support to function properly.
This option makes sure the network application is initialized properly
in order to use IPv6.
config NET_CONFIG_NEED_IPV6_ROUTER
bool "This application wants IPv6 router to exists"
depends on NET_CONFIG_AUTO_INIT
depends on NET_IPV6
help
The network application needs IPv6 router to exists before continuing.
What this means that the application wants to wait until it receives
IPv6 router advertisement message before continuing.
config NET_CONFIG_NEED_IPV4
bool "This application wants IPv4 support"
depends on NET_CONFIG_AUTO_INIT
select NET_IPV4
help
The network application needs IPv4 support to function properly.
This option makes sure the network application is initialized properly
in order to use IPv4.
module = NET_CONFIG
module-dep = NET_LOG
module-str = Log level for network config library
module-help = Enables net config library to output debug messages.
source "subsys/net/Kconfig.template.log_config.net"
menuconfig NET_CONFIG_SETTINGS
bool "Set network settings for applications"
select NET_MGMT
select NET_MGMT_EVENT
help
Allow IP addresses to be set in config file for
networking client/server sample applications, or
some link-layer dedicated settings like the channel.
Beware this is not meant to be used for proper
provisioning but quick sampling/testing.
if NET_CONFIG_SETTINGS
config NET_CONFIG_MY_VLAN_ID
int "My VLAN identifier"
default 0
depends on NET_VLAN
help
Use 0 here if uncertain.
if NET_IPV6
config NET_CONFIG_MY_IPV6_ADDR
string "My IPv6 address"
help
Use 2001:db8::1 here if uncertain.
config NET_CONFIG_PEER_IPV6_ADDR
string "Peer IPv6 address"
help
This is only applicable in client side applications that try
to establish a connection to peer host.
Use 2001:db8::2 here if uncertain.
endif # NET_IPV6
if NET_IPV4
config NET_CONFIG_MY_IPV4_ADDR
string "My IPv4 address"
help
Use 192.0.2.1 here if uncertain.
config NET_CONFIG_MY_IPV4_NETMASK
string "My IPv4 netmask"
default "255.255.255.0"
help
Static netmask to use if not overridden by DHCP. Use empty value to
skip setting static value.
config NET_CONFIG_MY_IPV4_GW
string "My IPv4 gateway"
help
Static gateway to use if not overridden by DHCP. Use empty value to
skip setting static value.
config NET_CONFIG_PEER_IPV4_ADDR
string "Peer IPv4 address"
help
This is only applicable in client side applications that try
to establish a connection to peer host.
Use 192.0.2.2 here if uncertain.
endif # NET_IPV4
if NET_L2_IEEE802154 || IEEE802154_RAW_MODE
config NET_CONFIG_IEEE802154_PAN_ID
hex "IEEE 802.15.4 PAN ID"
default 0xabcd
help
The PAN ID to use by default in the sample.
config NET_CONFIG_IEEE802154_CHANNEL
int "IEEE 802.15.4 channel"
default 26
help
The channel to use by default in the sample application.
config NET_CONFIG_IEEE802154_RADIO_TX_POWER
int "IEEE 802.15.4 TX power in dbm"
default 0
help
The TX power to use by default in the sample application.
See NET_L2_IEEE802154_RADIO_DFLT_TX_POWER for more info.
config NET_CONFIG_IEEE802154_SECURITY_KEY
string "IEEE 802.15.4 security key"
default "moooh!"
depends on NET_L2_IEEE802154_SECURITY
help
The key string to use for the link-layer security part.
config NET_CONFIG_IEEE802154_SECURITY_KEY_MODE
int "IEEE 802.15.4 security key mode"
default 0
range 0 0
depends on NET_L2_IEEE802154_SECURITY
help
The key mode to use for the link-layer security part.
Only implicit mode is supported, thus 0.
config NET_CONFIG_IEEE802154_SECURITY_LEVEL
int "IEEE 802.15.4 security level (0-7)"
default 0
range 0 7
depends on NET_L2_IEEE802154_SECURITY
help
The security level to use for the link-layer security part.
0 means no security
1 authentication only with a 4 bytes length tag
2 authentication only with a 8 bytes length tag
3 authentication only with a 16 bytes length tag
4 deprecated since IEEE 802.15.4-2015
5 encryption/authentication with a 4 bytes length tag
6 encryption/authentication with a 8 bytes length tag
7 encryption/authentication with a 16 bytes length tag
config NET_CONFIG_IEEE802154_ACK_REQUIRED
bool "IEEE 802.15.4 acknowledgment"
default y
help
Whether or not to request and require IEEE 802.15.4 acknowledgment
packets.
endif # NET_L2_IEEE802154 || IEEE802154_RAW_MODE
config NET_CONFIG_BT_NODE
bool "Bluetooth node support"
depends on NET_L2_BT
select NET_L2_BT_MGMT
help
Enables application to operate in node mode which requires GATT
service to be registered and start advertising as peripheral.
endif # NET_CONFIG_SETTINGS
if NET_DHCPV6
config NET_CONFIG_DHCPV6_REQUEST_ADDR
bool "Request IPv6 address when configuring DHCPv6 client"
default y
help
When DHCPv6 is enabled this will configure the DHCPv6 client to
request IPv6 address from the DHCPv6 server.
config NET_CONFIG_DHCPV6_REQUEST_PREFIX
bool "Request IPv6 prefix when configuring DHCPv6 client"
help
When DHCPv6 is enabled this will configure the DHCPv6 client to
request IPv6 prefix from the DHCPv6 server.
endif # NET_DHCPV6
config NET_CONFIG_CLOCK_SNTP_INIT
bool "Initialize system clock using SNTP on application startup"
depends on SNTP && POSIX_CLOCK
help
Perform an SNTP request over networking to get and absolute
wall clock time, and initialize system time from it, so
functions like time(), gettimeofday(), etc. returned the
correct absolute time (no just time since system startup).
Requires networking.
if NET_CONFIG_CLOCK_SNTP_INIT
config NET_CONFIG_SNTP_INIT_SERVER
string "SNTP server to use for system clock init"
default ""
help
Zephyr does not provide default setting for this option. Each
application and vendor should choose a suitable setting based
on their locality, needs, and server's terms of service. See
e.g. server information at
https://support.ntp.org/bin/view/Servers/NTPPoolServers
config NET_CONFIG_SNTP_INIT_SERVER_USE_DHCPV4_OPTION
bool "SNTP server to use for system clock init is set using DHCPv4 option"
default y
depends on NET_DHCPV4_OPTION_NTP_SERVER
help
If this option is set, then the SNTP server to use for system
clock init can be set using DHCPv4 option.
config NET_CONFIG_SNTP_INIT_TIMEOUT
int "SNTP timeout to init system clock (ms)"
default 3000
endif # NET_CONFIG_CLOCK_SNTP_INIT