drivers/net/Kconfig - pub/scm/linux/kernel/git/stable/linux-stable - Git at Google


            
            # SPDX-License-Identifier: GPL-2.0-only

            
            #

            
            # Network device configuration

            
            #


            menuconfig NETDEVICES

            
            	default y if UML

            
            	depends on NET

            
            	bool "Network device support"

            
            	help

            
            	  You can say N here if you don't intend to connect your Linux box to

            
            	  any other computer at all.


            	  You'll have to say Y if your computer contains a network card that

            
            	  you want to use under Linux. If you are going to run SLIP or PPP over

            
            	  telephone line or null modem cable you need say Y here. Connecting

            
            	  two machines with parallel ports using PLIP needs this, as well as

            
            	  AX.25/KISS for sending Internet traffic over amateur radio links.


            	  See also "The Linux Network Administrator's Guide" by Olaf Kirch and

            
            	  Terry Dawson. Available at <http://www.tldp.org/guides.html>.


            	  If unsure, say Y.


            # All the following symbols are dependent on NETDEVICES - do not repeat

            
            # that for each of the symbols.

            
            if NETDEVICES


            config MII

            
            	tristate


            config NET_CORE

            
            	default y

            
            	bool "Network core driver support"

            
            	help

            
            	  You can say N here if you do not intend to use any of the

            
            	  networking core drivers (i.e. VLAN, bridging, bonding, etc.)


            if NET_CORE


            config BONDING

            
            	tristate "Bonding driver support"

            
            	depends on INET

            
            	depends on TLS || TLS_DEVICE=n

            
            	help

            
            	  Say 'Y' or 'M' if you wish to be able to 'bond' multiple Ethernet

            
            	  Channels together. This is called 'Etherchannel' by Cisco,

            
            	  'Trunking' by Sun, 802.3ad by the IEEE, and 'Bonding' in Linux.


            	  The driver supports multiple bonding modes to allow for both high

            
            	  performance and high availability operation.


            	  Refer to <file:Documentation/networking/bonding.rst> for more

            
            	  information.


            	  To compile this driver as a module, choose M here: the module

            
            	  will be called bonding.


            config DUMMY

            
            	tristate "Dummy net driver support"

            
            	help

            
            	  This is essentially a bit-bucket device (i.e. traffic you send to

            
            	  this device is consigned into oblivion) with a configurable IP

            
            	  address. It is most commonly used in order to make your currently

            
            	  inactive SLIP address seem like a real address for local programs.

            
            	  If you use SLIP or PPP, you might want to say Y here. It won't

            
            	  enlarge your kernel. What a deal. Read about it in the Network

            
            	  Administrator's Guide, available from

            
            	  <http://www.tldp.org/docs.html#guide>.


            	  To compile this driver as a module, choose M here: the module

            
            	  will be called dummy.


            config WIREGUARD

            
            	tristate "WireGuard secure network tunnel"

            
            	depends on NET && INET

            
            	select NET_UDP_TUNNEL

            
            	select DST_CACHE

            
            	select CRYPTO_LIB_CURVE25519

            
            	select CRYPTO_LIB_CHACHA20POLY1305

            
            	select CRYPTO_LIB_UTILS

            
            	help

            
            	  WireGuard is a secure, fast, and easy to use replacement for IPSec

            
            	  that uses modern cryptography and clever networking tricks. It's

            
            	  designed to be fairly general purpose and abstract enough to fit most

            
            	  use cases, while at the same time remaining extremely simple to

            
            	  configure. See www.wireguard.com for more info.


            	  It's safe to say Y or M here, as the driver is very lightweight and

            
            	  is only in use when an administrator chooses to add an interface.


            config WIREGUARD_DEBUG

            
            	bool "Debugging checks and verbose messages"

            
            	depends on WIREGUARD

            
            	help

            
            	  This will write log messages for handshake and other events

            
            	  that occur for a WireGuard interface. It will also perform some

            
            	  extra validation checks and unit tests at various points. This is

            
            	  only useful for debugging.


            	  Say N here unless you know what you're doing.


            config OVPN

            
            	tristate "OpenVPN data channel offload"

            
            	depends on NET && INET

            
            	select DST_CACHE

            
            	select NET_UDP_TUNNEL

            
            	select CRYPTO

            
            	select CRYPTO_AES

            
            	select CRYPTO_GCM

            
            	select CRYPTO_CHACHA20POLY1305

            
            	select STREAM_PARSER

            
            	help

            
            	  This module enhances the performance of the OpenVPN userspace software

            
            	  by offloading the data channel processing to kernelspace.


            config EQUALIZER

            
            	tristate "EQL (serial line load balancing) support"

            
            	help

            
            	  If you have two serial connections to some other computer (this

            
            	  usually requires two modems and two telephone lines) and you use

            
            	  SLIP (the protocol for sending Internet traffic over telephone

            
            	  lines) or PPP (a better SLIP) on them, you can make them behave like

            
            	  one double speed connection using this driver.  Naturally, this has

            
            	  to be supported at the other end as well, either with a similar EQL

            
            	  Linux driver or with a Livingston Portmaster 2e.


            	  Say Y if you want this and read

            
            	  <file:Documentation/networking/eql.rst>.  You may also want to read

            
            	  section 6.2 of the NET-3-HOWTO, available from

            
            	  <http://www.tldp.org/docs.html#howto>.


            	  To compile this driver as a module, choose M here: the module

            
            	  will be called eql.  If unsure, say N.


            config NET_FC

            
            	bool "Fibre Channel driver support"

            
            	depends on SCSI && PCI

            
            	help

            
            	  Fibre Channel is a high speed serial protocol mainly used to connect

            
            	  large storage devices to the computer; it is compatible with and

            
            	  intended to replace SCSI.


            	  If you intend to use Fibre Channel, you need to have a Fibre channel

            
            	  adaptor card in your computer; say Y here and to the driver for your

            
            	  adaptor below. You also should have said Y to "SCSI support" and

            
            	  "SCSI generic support".


            config IFB

            
            	tristate "Intermediate Functional Block support"

            
            	depends on NET_ACT_MIRRED || NFT_FWD_NETDEV

            
            	select NET_REDIRECT

            
            	help

            
            	  This is an intermediate driver that allows sharing of

            
            	  resources.

            
            	  To compile this driver as a module, choose M here: the module

            
            	  will be called ifb.  If you want to use more than one ifb

            
            	  device at a time, you need to compile this driver as a module.

            
            	  Instead of 'ifb', the devices will then be called 'ifb0',

            
            	  'ifb1' etc.

            
            	  Look at the iproute2 documentation directory for usage etc


            source "drivers/net/team/Kconfig"


            config MACVLAN

            
            	tristate "MAC-VLAN support"

            
            	help

            
            	  This allows one to create virtual interfaces that map packets to

            
            	  or from specific MAC addresses to a particular interface.


            	  Macvlan devices can be added using the "ip" command from the

            
            	  iproute2 package starting with the iproute2-2.6.23 release:


            	  "ip link add link <real dev> [ address MAC ] [ NAME ] type macvlan"


            	  To compile this driver as a module, choose M here: the module

            
            	  will be called macvlan.


            config MACVTAP

            
            	tristate "MAC-VLAN based tap driver"

            
            	depends on MACVLAN

            
            	depends on INET

            
            	select TAP

            
            	help

            
            	  This adds a specialized tap character device driver that is based

            
            	  on the MAC-VLAN network interface, called macvtap. A macvtap device

            
            	  can be added in the same way as a macvlan device, using 'type

            
            	  macvtap', and then be accessed through the tap user space interface.


            	  To compile this driver as a module, choose M here: the module

            
            	  will be called macvtap.


            config IPVLAN_L3S

            
            	depends on NETFILTER

            
            	depends on IPVLAN

            
            	def_bool y

            
            	select NET_L3_MASTER_DEV


            config IPVLAN

            
            	tristate "IP-VLAN support"

            
            	depends on INET

            
            	help

            
            	  This allows one to create virtual devices off of a main interface

            
            	  and packets will be delivered based on the dest L3 (IPv6/IPv4 addr)

            
            	  on packets. All interfaces (including the main interface) share L2

            
            	  making it transparent to the connected L2 switch.


            	  Ipvlan devices can be added using the "ip" command from the

            
            	  iproute2 package starting with the iproute2-3.19 release:


            	  "ip link add link <main-dev> [ NAME ] type ipvlan"


            	  To compile this driver as a module, choose M here: the module

            
            	  will be called ipvlan.


            config IPVTAP

            
            	tristate "IP-VLAN based tap driver"

            
            	depends on IPVLAN

            
            	depends on INET

            
            	select TAP

            
            	help

            
            	  This adds a specialized tap character device driver that is based

            
            	  on the IP-VLAN network interface, called ipvtap. An ipvtap device

            
            	  can be added in the same way as a ipvlan device, using 'type

            
            	  ipvtap', and then be accessed through the tap user space interface.


            	  To compile this driver as a module, choose M here: the module

            
            	  will be called ipvtap.


            config VXLAN

            
            	tristate "Virtual eXtensible Local Area Network (VXLAN)"

            
            	depends on INET

            
            	select NET_UDP_TUNNEL

            
            	select GRO_CELLS

            
            	help

            
            	  This allows one to create vxlan virtual interfaces that provide

            
            	  Layer 2 Networks over Layer 3 Networks. VXLAN is often used

            
            	  to tunnel virtual network infrastructure in virtualized environments.

            
            	  For more information see:

            
            	    http://tools.ietf.org/html/draft-mahalingam-dutt-dcops-vxlan-02


            	  To compile this driver as a module, choose M here: the module

            
            	  will be called vxlan.


            config GENEVE

            
            	tristate "Generic Network Virtualization Encapsulation"

            
            	depends on INET

            
            	select NET_UDP_TUNNEL

            
            	select GRO_CELLS

            
            	help

            
            	  This allows one to create geneve virtual interfaces that provide

            
            	  Layer 2 Networks over Layer 3 Networks. GENEVE is often used

            
            	  to tunnel virtual network infrastructure in virtualized environments.

            
            	  For more information see:

            
            	    http://tools.ietf.org/html/draft-gross-geneve-02


            	  To compile this driver as a module, choose M here: the module

            
            	  will be called geneve.


            config BAREUDP

            
            	tristate "Bare UDP Encapsulation"

            
            	depends on INET

            
            	select NET_UDP_TUNNEL

            
            	select GRO_CELLS

            
            	help

            
            	  This adds a bare UDP tunnel module for tunnelling different

            
            	  kinds of traffic like MPLS, IP, etc. inside a UDP tunnel.


            	  To compile this driver as a module, choose M here: the module

            
            	  will be called bareudp.


            config GTP

            
            	tristate "GPRS Tunneling Protocol datapath (GTP-U)"

            
            	depends on INET

            
            	select NET_UDP_TUNNEL

            
            	help

            
            	  This allows one to create gtp virtual interfaces that provide

            
            	  the GPRS Tunneling Protocol datapath (GTP-U). This tunneling protocol

            
            	  is used to prevent subscribers from accessing mobile carrier core

            
            	  network infrastructure. This driver requires a userspace software that

            
            	  implements the signaling protocol (GTP-C) to update its PDP context

            
            	  base, such as OpenGGSN <http://git.osmocom.org/openggsn/). This

            
            	  tunneling protocol is implemented according to the GSM TS 09.60 and

            
            	  3GPP TS 29.060 standards.


            	  To compile this drivers as a module, choose M here: the module

            
            	  will be called gtp.


            config PFCP

            
            	tristate "Packet Forwarding Control Protocol (PFCP)"

            
            	depends on INET

            
            	select NET_UDP_TUNNEL

            
            	help

            
            	  This allows one to create PFCP virtual interfaces that allows to

            
            	  set up software and hardware offload of PFCP packets.

            
            	  Note that this module does not support PFCP protocol in the kernel space.

            
            	  There is no support for parsing any PFCP messages.


            	  To compile this drivers as a module, choose M here: the module

            
            	  will be called pfcp.


            config AMT

            
            	tristate "Automatic Multicast Tunneling (AMT)"

            
            	depends on INET && IP_MULTICAST

            
            	select NET_UDP_TUNNEL

            
            	help

            
            	  This allows one to create AMT(Automatic Multicast Tunneling)

            
            	  virtual interfaces that provide multicast tunneling.

            
            	  There are two roles, Gateway, and Relay.

            
            	  Gateway Encapsulates IGMP/MLD traffic from listeners to the Relay.

            
            	  Gateway Decapsulates multicast traffic from the Relay to Listeners.

            
            	  Relay Encapsulates multicast traffic from Sources to Gateway.

            
            	  Relay Decapsulates IGMP/MLD traffic from Gateway.


            	  To compile this drivers as a module, choose M here: the module

            
            	  will be called amt.


            config MACSEC

            
            	tristate "IEEE 802.1AE MAC-level encryption (MACsec)"

            
            	select CRYPTO

            
            	select CRYPTO_AES

            
            	select CRYPTO_GCM

            
            	select GRO_CELLS

            
            	help

            
            	   MACsec is an encryption standard for Ethernet.


            config NETCONSOLE

            
            	tristate "Network console logging support"

            
            	depends on PRINTK

            
            	help

            
            	  If you want to log kernel messages over the network, enable this.

            
            	  See <file:Documentation/networking/netconsole.rst> for details.


            config NETCONSOLE_DYNAMIC

            
            	bool "Dynamic reconfiguration of logging targets"

            
            	depends on NETCONSOLE && SYSFS && CONFIGFS_FS && \

            
            			!(NETCONSOLE=y && CONFIGFS_FS=m)

            
            	select PRINTK_EXECUTION_CTX

            
            	help

            
            	  This option enables the ability to dynamically reconfigure target

            
            	  parameters (interface, IP addresses, port numbers, MAC addresses)

            
            	  at runtime through a userspace interface exported using configfs.

            
            	  See <file:Documentation/networking/netconsole.rst> for details.


            config NETCONSOLE_EXTENDED_LOG

            
            	bool "Set kernel extended message by default"

            
            	depends on NETCONSOLE

            
            	default n

            
            	help

            
            	  Set extended log support for netconsole message. If this option is

            
            	  set, log messages are transmitted with extended metadata header in a

            
            	  format similar to /dev/kmsg.  See

            
            	  <file:Documentation/networking/netconsole.rst> for details.


            config NETCONSOLE_PREPEND_RELEASE

            
            	bool "Prepend kernel release version in the message by default"

            
            	depends on NETCONSOLE_EXTENDED_LOG

            
            	default n

            
            	help

            
            	  Set kernel release to be prepended to each netconsole message by

            
            	  default. If this option is set, the kernel release is prepended into

            
            	  the first field of every netconsole message, so, the netconsole

            
            	  server/peer can easily identify what kernel release is logging each

            
            	  message.  See <file:Documentation/networking/netconsole.rst> for

            
            	  details.


            config NETPOLL

            
            	def_bool NETCONSOLE


            config NET_POLL_CONTROLLER

            
            	def_bool NETPOLL


            config NTB_NETDEV

            
            	tristate "Virtual Ethernet over NTB Transport"

            
            	depends on NTB_TRANSPORT


            config RIONET

            
            	tristate "RapidIO Ethernet over messaging driver support"

            
            	depends on RAPIDIO


            config RIONET_TX_SIZE

            
            	int "Number of outbound queue entries"

            
            	depends on RIONET

            
            	default "128"


            config RIONET_RX_SIZE

            
            	int "Number of inbound queue entries"

            
            	depends on RIONET

            
            	default "128"


            config TUN

            
            	tristate "Universal TUN/TAP device driver support"

            
            	depends on INET

            
            	select CRC32

            
            	help

            
            	  TUN/TAP provides packet reception and transmission for user space

            
            	  programs.  It can be viewed as a simple Point-to-Point or Ethernet

            
            	  device, which instead of receiving packets from a physical media,

            
            	  receives them from user space program and instead of sending packets

            
            	  via physical media writes them to the user space program.


            	  When a program opens /dev/net/tun, driver creates and registers

            
            	  corresponding net device tunX or tapX.  After a program closed above

            
            	  devices, driver will automatically delete tunXX or tapXX device and

            
            	  all routes corresponding to it.


            	  Please read <file:Documentation/networking/tuntap.rst> for more

            
            	  information.


            	  To compile this driver as a module, choose M here: the module

            
            	  will be called tun.


            	  If you don't know what to use this for, you don't need it.


            config TAP

            
            	tristate

            
            	help

            
            	  This option is selected by any driver implementing tap user space

            
            	  interface for a virtual interface to re-use core tap functionality.


            config TUN_VNET_CROSS_LE

            
            	bool "Support for cross-endian vnet headers on little-endian kernels"

            
            	default n

            
            	help

            
            	  This option allows TUN/TAP and MACVTAP device drivers in a

            
            	  little-endian kernel to parse vnet headers that come from a

            
            	  big-endian legacy virtio device.


            	  Userspace programs can control the feature using the TUNSETVNETBE

            
            	  and TUNGETVNETBE ioctls.


            	  Unless you have a little-endian system hosting a big-endian virtual

            
            	  machine with a legacy virtio NIC, you should say N.


            config VETH

            
            	tristate "Virtual ethernet pair device"

            
            	select PAGE_POOL

            
            	help

            
            	  This device is a local ethernet tunnel. Devices are created in pairs.

            
            	  When one end receives the packet it appears on its pair and vice

            
            	  versa.


            config VIRTIO_NET

            
            	tristate "Virtio network driver"

            
            	depends on VIRTIO

            
            	select NET_FAILOVER

            
            	select DIMLIB

            
            	select PAGE_POOL

            
            	help

            
            	  This is the virtual network driver for virtio.  It can be used with

            
            	  QEMU based VMMs (like KVM or Xen).  Say Y or M.


            config NLMON

            
            	tristate "Virtual netlink monitoring device"

            
            	help

            
            	  This option enables a monitoring net device for netlink skbs. The

            
            	  purpose of this is to analyze netlink messages with packet sockets.

            
            	  Thus applications like tcpdump will be able to see local netlink

            
            	  messages if they tap into the netlink device, record pcaps for further

            
            	  diagnostics, etc. This is mostly intended for developers or support

            
            	  to debug netlink issues. If unsure, say N.


            config NETKIT

            
            	bool "BPF-programmable network device"

            
            	depends on BPF_SYSCALL

            
            	help

            
            	  The netkit device is a virtual networking device where BPF programs

            
            	  can be attached to the device(s) transmission routine in order to

            
            	  implement the driver's internal logic. The device can be configured

            
            	  to operate in L3 or L2 mode. If unsure, say N.


            config NET_VRF

            
            	tristate "Virtual Routing and Forwarding (Lite)"

            
            	depends on IP_MULTIPLE_TABLES

            
            	depends on NET_L3_MASTER_DEV

            
            	depends on IPV6_MULTIPLE_TABLES || IPV6=n

            
            	help

            
            	  This option enables the support for mapping interfaces into VRF's. The

            
            	  support enables VRF devices.


            config VSOCKMON

            
            	tristate "Virtual vsock monitoring device"

            
            	depends on VHOST_VSOCK

            
            	help

            
            	  This option enables a monitoring net device for vsock sockets. It is

            
            	  mostly intended for developers or support to debug vsock issues. If

            
            	  unsure, say N.


            config MHI_NET

            
            	tristate "MHI network driver"

            
            	depends on MHI_BUS

            
            	help

            
            	  This is the network driver for MHI bus.  It can be used with

            
            	  QCOM based WWAN modems for IP or QMAP/rmnet protocol (like SDX55).

            
            	  Say Y or M.


            endif # NET_CORE


            config SUNGEM_PHY

            
            	tristate


            source "drivers/net/arcnet/Kconfig"


            source "drivers/atm/Kconfig"


            source "drivers/net/dsa/Kconfig"


            source "drivers/net/ethernet/Kconfig"


            source "drivers/net/fddi/Kconfig"


            source "drivers/net/ipa/Kconfig"


            source "drivers/net/phy/Kconfig"


            source "drivers/net/pse-pd/Kconfig"


            source "drivers/net/can/Kconfig"


            source "drivers/net/mctp/Kconfig"


            source "drivers/net/mdio/Kconfig"


            source "drivers/net/pcs/Kconfig"


            source "drivers/net/plip/Kconfig"


            source "drivers/net/ppp/Kconfig"


            source "drivers/net/slip/Kconfig"


            source "drivers/s390/net/Kconfig"


            source "drivers/net/usb/Kconfig"


            source "drivers/net/wireless/Kconfig"


            source "drivers/net/wan/Kconfig"


            source "drivers/net/ieee802154/Kconfig"


            source "drivers/net/wwan/Kconfig"


            config XEN_NETDEV_FRONTEND

            
            	tristate "Xen network device frontend driver"

            
            	depends on XEN

            
            	select XEN_XENBUS_FRONTEND

            
            	select PAGE_POOL

            
            	default y

            
            	help

            
            	  This driver provides support for Xen paravirtual network

            
            	  devices exported by a Xen network driver domain (often

            
            	  domain 0).


            	  The corresponding Linux backend driver is enabled by the

            
            	  CONFIG_XEN_NETDEV_BACKEND option.


            	  If you are compiling a kernel for use as Xen guest, you

            
            	  should say Y here. To compile this driver as a module, chose

            
            	  M here: the module will be called xen-netfront.


            config XEN_NETDEV_BACKEND

            
            	tristate "Xen backend network device"

            
            	depends on XEN_BACKEND

            
            	help

            
            	  This driver allows the kernel to act as a Xen network driver

            
            	  domain which exports paravirtual network devices to other

            
            	  Xen domains. These devices can be accessed by any operating

            
            	  system that implements a compatible front end.


            	  The corresponding Linux frontend driver is enabled by the

            
            	  CONFIG_XEN_NETDEV_FRONTEND configuration option.


            	  The backend driver presents a standard network device

            
            	  endpoint for each paravirtual network device to the driver

            
            	  domain network stack. These can then be bridged or routed

            
            	  etc in order to provide full network connectivity.


            	  If you are compiling a kernel to run in a Xen network driver

            
            	  domain (often this is domain 0) you should say Y here. To

            
            	  compile this driver as a module, chose M here: the module

            
            	  will be called xen-netback.


            config VMXNET3

            
            	tristate "VMware VMXNET3 ethernet driver"

            
            	depends on PCI && INET

            
            	depends on PAGE_SIZE_LESS_THAN_64KB

            
            	select PAGE_POOL

            
            	help

            
            	  This driver supports VMware's vmxnet3 virtual ethernet NIC.

            
            	  To compile this driver as a module, choose M here: the

            
            	  module will be called vmxnet3.


            config FUJITSU_ES

            
            	tristate "FUJITSU Extended Socket Network Device driver"

            
            	depends on ACPI

            
            	help

            
            	  This driver provides support for Extended Socket network device

            
            	  on Extended Partitioning of FUJITSU PRIMEQUEST 2000 E2 series.


            source "drivers/net/thunderbolt/Kconfig"

            
            source "drivers/net/hyperv/Kconfig"


            config NETDEVSIM

            
            	tristate "Simulated networking device"

            
            	depends on DEBUG_FS

            
            	depends on INET

            
            	depends on PSAMPLE || PSAMPLE=n

            
            	depends on PTP_1588_CLOCK_MOCK || PTP_1588_CLOCK_MOCK=n

            
            	select NET_DEVLINK

            
            	select PAGE_POOL

            
            	select NET_SHAPER

            
            	help

            
            	  This driver is a developer testing tool and software model that can

            
            	  be used to test various control path networking APIs, especially

            
            	  HW-offload related.


            	  To compile this driver as a module, choose M here: the module

            
            	  will be called netdevsim.


            config NET_FAILOVER

            
            	tristate "Failover driver"

            
            	select FAILOVER

            
            	help

            
            	  This provides an automated failover mechanism via APIs to create

            
            	  and destroy a failover master netdev and manages a primary and

            
            	  standby slave netdevs that get registered via the generic failover

            
            	  infrastructure. This can be used by paravirtual drivers to enable

            
            	  an alternate low latency datapath. It also enables live migration of

            
            	  a VM with direct attached VF by failing over to the paravirtual

            
            	  datapath when the VF is unplugged.


            endif # NETDEVICES
	# SPDX-License-Identifier: GPL-2.0-only
	#
	# Network device configuration
	#

	menuconfig NETDEVICES
	default y if UML
	depends on NET
	bool "Network device support"
	help
	You can say N here if you don't intend to connect your Linux box to
	any other computer at all.

	You'll have to say Y if your computer contains a network card that
	you want to use under Linux. If you are going to run SLIP or PPP over
	telephone line or null modem cable you need say Y here. Connecting
	two machines with parallel ports using PLIP needs this, as well as
	AX.25/KISS for sending Internet traffic over amateur radio links.

	See also "The Linux Network Administrator's Guide" by Olaf Kirch and
	Terry Dawson. Available at <http://www.tldp.org/guides.html>.

	If unsure, say Y.

	# All the following symbols are dependent on NETDEVICES - do not repeat
	# that for each of the symbols.
	if NETDEVICES

	config MII
	tristate

	config NET_CORE
	default y
	bool "Network core driver support"
	help
	You can say N here if you do not intend to use any of the
	networking core drivers (i.e. VLAN, bridging, bonding, etc.)

	if NET_CORE

	config BONDING
	tristate "Bonding driver support"
	depends on INET
	depends on TLS \|\| TLS_DEVICE=n
	help
	Say 'Y' or 'M' if you wish to be able to 'bond' multiple Ethernet
	Channels together. This is called 'Etherchannel' by Cisco,
	'Trunking' by Sun, 802.3ad by the IEEE, and 'Bonding' in Linux.

	The driver supports multiple bonding modes to allow for both high
	performance and high availability operation.

	Refer to <file:Documentation/networking/bonding.rst> for more
	information.

	To compile this driver as a module, choose M here: the module
	will be called bonding.

	config DUMMY
	tristate "Dummy net driver support"
	help
	This is essentially a bit-bucket device (i.e. traffic you send to
	this device is consigned into oblivion) with a configurable IP
	address. It is most commonly used in order to make your currently
	inactive SLIP address seem like a real address for local programs.
	If you use SLIP or PPP, you might want to say Y here. It won't
	enlarge your kernel. What a deal. Read about it in the Network
	Administrator's Guide, available from
	<http://www.tldp.org/docs.html#guide>.

	To compile this driver as a module, choose M here: the module
	will be called dummy.

	config WIREGUARD
	tristate "WireGuard secure network tunnel"
	depends on NET && INET
	select NET_UDP_TUNNEL
	select DST_CACHE
	select CRYPTO_LIB_CURVE25519
	select CRYPTO_LIB_CHACHA20POLY1305
	select CRYPTO_LIB_UTILS
	help
	WireGuard is a secure, fast, and easy to use replacement for IPSec
	that uses modern cryptography and clever networking tricks. It's
	designed to be fairly general purpose and abstract enough to fit most
	use cases, while at the same time remaining extremely simple to
	configure. See www.wireguard.com for more info.

	It's safe to say Y or M here, as the driver is very lightweight and
	is only in use when an administrator chooses to add an interface.

	config WIREGUARD_DEBUG
	bool "Debugging checks and verbose messages"
	depends on WIREGUARD
	help
	This will write log messages for handshake and other events
	that occur for a WireGuard interface. It will also perform some
	extra validation checks and unit tests at various points. This is
	only useful for debugging.

	Say N here unless you know what you're doing.

	config OVPN
	tristate "OpenVPN data channel offload"
	depends on NET && INET
	select DST_CACHE
	select NET_UDP_TUNNEL
	select CRYPTO
	select CRYPTO_AES
	select CRYPTO_GCM
	select CRYPTO_CHACHA20POLY1305
	select STREAM_PARSER
	help
	This module enhances the performance of the OpenVPN userspace software
	by offloading the data channel processing to kernelspace.

	config EQUALIZER
	tristate "EQL (serial line load balancing) support"
	help
	If you have two serial connections to some other computer (this
	usually requires two modems and two telephone lines) and you use
	SLIP (the protocol for sending Internet traffic over telephone
	lines) or PPP (a better SLIP) on them, you can make them behave like
	one double speed connection using this driver. Naturally, this has
	to be supported at the other end as well, either with a similar EQL
	Linux driver or with a Livingston Portmaster 2e.

	Say Y if you want this and read
	<file:Documentation/networking/eql.rst>. You may also want to read
	section 6.2 of the NET-3-HOWTO, available from
	<http://www.tldp.org/docs.html#howto>.

	To compile this driver as a module, choose M here: the module
	will be called eql. If unsure, say N.

	config NET_FC
	bool "Fibre Channel driver support"
	depends on SCSI && PCI
	help
	Fibre Channel is a high speed serial protocol mainly used to connect
	large storage devices to the computer; it is compatible with and
	intended to replace SCSI.

	If you intend to use Fibre Channel, you need to have a Fibre channel
	adaptor card in your computer; say Y here and to the driver for your
	adaptor below. You also should have said Y to "SCSI support" and
	"SCSI generic support".

	config IFB
	tristate "Intermediate Functional Block support"
	depends on NET_ACT_MIRRED \|\| NFT_FWD_NETDEV
	select NET_REDIRECT
	help
	This is an intermediate driver that allows sharing of
	resources.
	To compile this driver as a module, choose M here: the module
	will be called ifb. If you want to use more than one ifb
	device at a time, you need to compile this driver as a module.
	Instead of 'ifb', the devices will then be called 'ifb0',
	'ifb1' etc.
	Look at the iproute2 documentation directory for usage etc

	source "drivers/net/team/Kconfig"

	config MACVLAN
	tristate "MAC-VLAN support"
	help
	This allows one to create virtual interfaces that map packets to
	or from specific MAC addresses to a particular interface.

	Macvlan devices can be added using the "ip" command from the
	iproute2 package starting with the iproute2-2.6.23 release:

	"ip link add link <real dev> [ address MAC ] [ NAME ] type macvlan"

	To compile this driver as a module, choose M here: the module
	will be called macvlan.

	config MACVTAP
	tristate "MAC-VLAN based tap driver"
	depends on MACVLAN
	depends on INET
	select TAP
	help
	This adds a specialized tap character device driver that is based
	on the MAC-VLAN network interface, called macvtap. A macvtap device
	can be added in the same way as a macvlan device, using 'type
	macvtap', and then be accessed through the tap user space interface.

	To compile this driver as a module, choose M here: the module
	will be called macvtap.

	config IPVLAN_L3S
	depends on NETFILTER
	depends on IPVLAN
	def_bool y
	select NET_L3_MASTER_DEV

	config IPVLAN
	tristate "IP-VLAN support"
	depends on INET
	help
	This allows one to create virtual devices off of a main interface
	and packets will be delivered based on the dest L3 (IPv6/IPv4 addr)
	on packets. All interfaces (including the main interface) share L2
	making it transparent to the connected L2 switch.

	Ipvlan devices can be added using the "ip" command from the
	iproute2 package starting with the iproute2-3.19 release:

	"ip link add link <main-dev> [ NAME ] type ipvlan"

	To compile this driver as a module, choose M here: the module
	will be called ipvlan.

	config IPVTAP
	tristate "IP-VLAN based tap driver"
	depends on IPVLAN
	depends on INET
	select TAP
	help
	This adds a specialized tap character device driver that is based
	on the IP-VLAN network interface, called ipvtap. An ipvtap device
	can be added in the same way as a ipvlan device, using 'type
	ipvtap', and then be accessed through the tap user space interface.

	To compile this driver as a module, choose M here: the module
	will be called ipvtap.

	config VXLAN
	tristate "Virtual eXtensible Local Area Network (VXLAN)"
	depends on INET
	select NET_UDP_TUNNEL
	select GRO_CELLS
	help
	This allows one to create vxlan virtual interfaces that provide
	Layer 2 Networks over Layer 3 Networks. VXLAN is often used
	to tunnel virtual network infrastructure in virtualized environments.
	For more information see:
	http://tools.ietf.org/html/draft-mahalingam-dutt-dcops-vxlan-02

	To compile this driver as a module, choose M here: the module
	will be called vxlan.

	config GENEVE
	tristate "Generic Network Virtualization Encapsulation"
	depends on INET
	select NET_UDP_TUNNEL
	select GRO_CELLS
	help
	This allows one to create geneve virtual interfaces that provide
	Layer 2 Networks over Layer 3 Networks. GENEVE is often used
	to tunnel virtual network infrastructure in virtualized environments.
	For more information see:
	http://tools.ietf.org/html/draft-gross-geneve-02

	To compile this driver as a module, choose M here: the module
	will be called geneve.

	config BAREUDP
	tristate "Bare UDP Encapsulation"
	depends on INET
	select NET_UDP_TUNNEL
	select GRO_CELLS
	help
	This adds a bare UDP tunnel module for tunnelling different
	kinds of traffic like MPLS, IP, etc. inside a UDP tunnel.

	To compile this driver as a module, choose M here: the module
	will be called bareudp.

	config GTP
	tristate "GPRS Tunneling Protocol datapath (GTP-U)"
	depends on INET
	select NET_UDP_TUNNEL
	help
	This allows one to create gtp virtual interfaces that provide
	the GPRS Tunneling Protocol datapath (GTP-U). This tunneling protocol
	is used to prevent subscribers from accessing mobile carrier core
	network infrastructure. This driver requires a userspace software that
	implements the signaling protocol (GTP-C) to update its PDP context
	base, such as OpenGGSN <http://git.osmocom.org/openggsn/). This
	tunneling protocol is implemented according to the GSM TS 09.60 and
	3GPP TS 29.060 standards.

	To compile this drivers as a module, choose M here: the module
	will be called gtp.

	config PFCP
	tristate "Packet Forwarding Control Protocol (PFCP)"
	depends on INET
	select NET_UDP_TUNNEL
	help
	This allows one to create PFCP virtual interfaces that allows to
	set up software and hardware offload of PFCP packets.
	Note that this module does not support PFCP protocol in the kernel space.
	There is no support for parsing any PFCP messages.

	To compile this drivers as a module, choose M here: the module
	will be called pfcp.

	config AMT
	tristate "Automatic Multicast Tunneling (AMT)"
	depends on INET && IP_MULTICAST
	select NET_UDP_TUNNEL
	help
	This allows one to create AMT(Automatic Multicast Tunneling)
	virtual interfaces that provide multicast tunneling.
	There are two roles, Gateway, and Relay.
	Gateway Encapsulates IGMP/MLD traffic from listeners to the Relay.
	Gateway Decapsulates multicast traffic from the Relay to Listeners.
	Relay Encapsulates multicast traffic from Sources to Gateway.
	Relay Decapsulates IGMP/MLD traffic from Gateway.

	To compile this drivers as a module, choose M here: the module
	will be called amt.

	config MACSEC
	tristate "IEEE 802.1AE MAC-level encryption (MACsec)"
	select CRYPTO
	select CRYPTO_AES
	select CRYPTO_GCM
	select GRO_CELLS
	help
	MACsec is an encryption standard for Ethernet.

	config NETCONSOLE
	tristate "Network console logging support"
	depends on PRINTK
	help
	If you want to log kernel messages over the network, enable this.
	See <file:Documentation/networking/netconsole.rst> for details.

	config NETCONSOLE_DYNAMIC
	bool "Dynamic reconfiguration of logging targets"
	depends on NETCONSOLE && SYSFS && CONFIGFS_FS && \
	!(NETCONSOLE=y && CONFIGFS_FS=m)
	select PRINTK_EXECUTION_CTX
	help
	This option enables the ability to dynamically reconfigure target
	parameters (interface, IP addresses, port numbers, MAC addresses)
	at runtime through a userspace interface exported using configfs.
	See <file:Documentation/networking/netconsole.rst> for details.

	config NETCONSOLE_EXTENDED_LOG
	bool "Set kernel extended message by default"
	depends on NETCONSOLE
	default n
	help
	Set extended log support for netconsole message. If this option is
	set, log messages are transmitted with extended metadata header in a
	format similar to /dev/kmsg. See
	<file:Documentation/networking/netconsole.rst> for details.

	config NETCONSOLE_PREPEND_RELEASE
	bool "Prepend kernel release version in the message by default"
	depends on NETCONSOLE_EXTENDED_LOG
	default n
	help
	Set kernel release to be prepended to each netconsole message by
	default. If this option is set, the kernel release is prepended into
	the first field of every netconsole message, so, the netconsole
	server/peer can easily identify what kernel release is logging each
	message. See <file:Documentation/networking/netconsole.rst> for
	details.

	config NETPOLL
	def_bool NETCONSOLE

	config NET_POLL_CONTROLLER
	def_bool NETPOLL

	config NTB_NETDEV
	tristate "Virtual Ethernet over NTB Transport"
	depends on NTB_TRANSPORT

	config RIONET
	tristate "RapidIO Ethernet over messaging driver support"
	depends on RAPIDIO

	config RIONET_TX_SIZE
	int "Number of outbound queue entries"
	depends on RIONET
	default "128"

	config RIONET_RX_SIZE
	int "Number of inbound queue entries"
	depends on RIONET
	default "128"

	config TUN
	tristate "Universal TUN/TAP device driver support"
	depends on INET
	select CRC32
	help
	TUN/TAP provides packet reception and transmission for user space
	programs. It can be viewed as a simple Point-to-Point or Ethernet
	device, which instead of receiving packets from a physical media,
	receives them from user space program and instead of sending packets
	via physical media writes them to the user space program.

	When a program opens /dev/net/tun, driver creates and registers
	corresponding net device tunX or tapX. After a program closed above
	devices, driver will automatically delete tunXX or tapXX device and
	all routes corresponding to it.

	Please read <file:Documentation/networking/tuntap.rst> for more
	information.

	To compile this driver as a module, choose M here: the module
	will be called tun.

	If you don't know what to use this for, you don't need it.

	config TAP
	tristate
	help
	This option is selected by any driver implementing tap user space
	interface for a virtual interface to re-use core tap functionality.

	config TUN_VNET_CROSS_LE
	bool "Support for cross-endian vnet headers on little-endian kernels"
	default n
	help
	This option allows TUN/TAP and MACVTAP device drivers in a
	little-endian kernel to parse vnet headers that come from a
	big-endian legacy virtio device.

	Userspace programs can control the feature using the TUNSETVNETBE
	and TUNGETVNETBE ioctls.

	Unless you have a little-endian system hosting a big-endian virtual
	machine with a legacy virtio NIC, you should say N.

	config VETH
	tristate "Virtual ethernet pair device"
	select PAGE_POOL
	help
	This device is a local ethernet tunnel. Devices are created in pairs.
	When one end receives the packet it appears on its pair and vice
	versa.

	config VIRTIO_NET
	tristate "Virtio network driver"
	depends on VIRTIO
	select NET_FAILOVER
	select DIMLIB
	select PAGE_POOL
	help
	This is the virtual network driver for virtio. It can be used with
	QEMU based VMMs (like KVM or Xen). Say Y or M.

	config NLMON
	tristate "Virtual netlink monitoring device"
	help
	This option enables a monitoring net device for netlink skbs. The
	purpose of this is to analyze netlink messages with packet sockets.
	Thus applications like tcpdump will be able to see local netlink
	messages if they tap into the netlink device, record pcaps for further
	diagnostics, etc. This is mostly intended for developers or support
	to debug netlink issues. If unsure, say N.

	config NETKIT
	bool "BPF-programmable network device"
	depends on BPF_SYSCALL
	help
	The netkit device is a virtual networking device where BPF programs
	can be attached to the device(s) transmission routine in order to
	implement the driver's internal logic. The device can be configured
	to operate in L3 or L2 mode. If unsure, say N.

	config NET_VRF
	tristate "Virtual Routing and Forwarding (Lite)"
	depends on IP_MULTIPLE_TABLES
	depends on NET_L3_MASTER_DEV
	depends on IPV6_MULTIPLE_TABLES \|\| IPV6=n
	help
	This option enables the support for mapping interfaces into VRF's. The
	support enables VRF devices.

	config VSOCKMON
	tristate "Virtual vsock monitoring device"
	depends on VHOST_VSOCK
	help
	This option enables a monitoring net device for vsock sockets. It is
	mostly intended for developers or support to debug vsock issues. If
	unsure, say N.

	config MHI_NET
	tristate "MHI network driver"
	depends on MHI_BUS
	help
	This is the network driver for MHI bus. It can be used with
	QCOM based WWAN modems for IP or QMAP/rmnet protocol (like SDX55).
	Say Y or M.

	endif # NET_CORE

	config SUNGEM_PHY
	tristate

	source "drivers/net/arcnet/Kconfig"

	source "drivers/atm/Kconfig"

	source "drivers/net/dsa/Kconfig"

	source "drivers/net/ethernet/Kconfig"

	source "drivers/net/fddi/Kconfig"

	source "drivers/net/ipa/Kconfig"

	source "drivers/net/phy/Kconfig"

	source "drivers/net/pse-pd/Kconfig"

	source "drivers/net/can/Kconfig"

	source "drivers/net/mctp/Kconfig"

	source "drivers/net/mdio/Kconfig"

	source "drivers/net/pcs/Kconfig"

	source "drivers/net/plip/Kconfig"

	source "drivers/net/ppp/Kconfig"

	source "drivers/net/slip/Kconfig"

	source "drivers/s390/net/Kconfig"

	source "drivers/net/usb/Kconfig"

	source "drivers/net/wireless/Kconfig"

	source "drivers/net/wan/Kconfig"

	source "drivers/net/ieee802154/Kconfig"

	source "drivers/net/wwan/Kconfig"

	config XEN_NETDEV_FRONTEND
	tristate "Xen network device frontend driver"
	depends on XEN
	select XEN_XENBUS_FRONTEND
	select PAGE_POOL
	default y
	help
	This driver provides support for Xen paravirtual network
	devices exported by a Xen network driver domain (often
	domain 0).

	The corresponding Linux backend driver is enabled by the
	CONFIG_XEN_NETDEV_BACKEND option.

	If you are compiling a kernel for use as Xen guest, you
	should say Y here. To compile this driver as a module, chose
	M here: the module will be called xen-netfront.

	config XEN_NETDEV_BACKEND
	tristate "Xen backend network device"
	depends on XEN_BACKEND
	help
	This driver allows the kernel to act as a Xen network driver
	domain which exports paravirtual network devices to other
	Xen domains. These devices can be accessed by any operating
	system that implements a compatible front end.

	The corresponding Linux frontend driver is enabled by the
	CONFIG_XEN_NETDEV_FRONTEND configuration option.

	The backend driver presents a standard network device
	endpoint for each paravirtual network device to the driver
	domain network stack. These can then be bridged or routed
	etc in order to provide full network connectivity.

	If you are compiling a kernel to run in a Xen network driver
	domain (often this is domain 0) you should say Y here. To
	compile this driver as a module, chose M here: the module
	will be called xen-netback.

	config VMXNET3
	tristate "VMware VMXNET3 ethernet driver"
	depends on PCI && INET
	depends on PAGE_SIZE_LESS_THAN_64KB
	select PAGE_POOL
	help
	This driver supports VMware's vmxnet3 virtual ethernet NIC.
	To compile this driver as a module, choose M here: the
	module will be called vmxnet3.

	config FUJITSU_ES
	tristate "FUJITSU Extended Socket Network Device driver"
	depends on ACPI
	help
	This driver provides support for Extended Socket network device
	on Extended Partitioning of FUJITSU PRIMEQUEST 2000 E2 series.

	source "drivers/net/thunderbolt/Kconfig"
	source "drivers/net/hyperv/Kconfig"

	config NETDEVSIM
	tristate "Simulated networking device"
	depends on DEBUG_FS
	depends on INET
	depends on PSAMPLE \|\| PSAMPLE=n
	depends on PTP_1588_CLOCK_MOCK \|\| PTP_1588_CLOCK_MOCK=n
	select NET_DEVLINK
	select PAGE_POOL
	select NET_SHAPER
	help
	This driver is a developer testing tool and software model that can
	be used to test various control path networking APIs, especially
	HW-offload related.

	To compile this driver as a module, choose M here: the module
	will be called netdevsim.

	config NET_FAILOVER
	tristate "Failover driver"
	select FAILOVER
	help
	This provides an automated failover mechanism via APIs to create
	and destroy a failover master netdev and manages a primary and
	standby slave netdevs that get registered via the generic failover
	infrastructure. This can be used by paravirtual drivers to enable
	an alternate low latency datapath. It also enables live migration of
	a VM with direct attached VF by failing over to the paravirtual
	datapath when the VF is unplugged.

	endif # NETDEVICES