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+# 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 IPV6 || IPV6=n
+ 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
+ depends on IPV6 || !IPV6
+ depends on !KMSAN # KMSAN doesn't support the crypto configs below
+ select NET_UDP_TUNNEL
+ select DST_CACHE
+ select CRYPTO
+ select CRYPTO_LIB_CURVE25519
+ select CRYPTO_LIB_CHACHA20POLY1305
+ select CRYPTO_CHACHA20_X86_64 if X86 && 64BIT
+ select CRYPTO_POLY1305_X86_64 if X86 && 64BIT
+ select CRYPTO_BLAKE2S_X86 if X86 && 64BIT
+ select CRYPTO_CURVE25519_X86 if X86 && 64BIT
+ select CRYPTO_CHACHA20_NEON if ARM || (ARM64 && KERNEL_MODE_NEON)
+ select CRYPTO_POLY1305_NEON if ARM64 && KERNEL_MODE_NEON
+ select CRYPTO_POLY1305_ARM if ARM
+ select CRYPTO_BLAKE2S_ARM if ARM
+ select CRYPTO_CURVE25519_NEON if ARM && KERNEL_MODE_NEON
+ select CRYPTO_CHACHA_MIPS if CPU_MIPS32_R2
+ select CRYPTO_POLY1305_MIPS if MIPS
+ select CRYPTO_CHACHA_S390 if S390
+ 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 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
+ depends on IPV6 || !IPV6
+ 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
+ depends on IPV6 || !IPV6
+ 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
+ depends on IPV6 || !IPV6
+ 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 AMT
+ tristate "Automatic Multicast Tunneling (AMT)"
+ depends on INET && IP_MULTICAST
+ depends on IPV6 || !IPV6
+ 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"
+ 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)
+ 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 NETPOLL
+ def_bool NETCONSOLE
+ select SRCU
+
+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"
+ 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
+ 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 NET_VRF
+ tristate "Virtual Routing and Forwarding (Lite)"
+ depends on IP_MULTIPLE_TABLES
+ depends on NET_L3_MASTER_DEV
+ depends on IPV6 || IPV6=n
+ 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/caif/Kconfig"
+
+source "drivers/net/dsa/Kconfig"
+
+source "drivers/net/ethernet/Kconfig"
+
+source "drivers/net/fddi/Kconfig"
+
+source "drivers/net/hippi/Kconfig"
+
+source "drivers/net/ipa/Kconfig"
+
+config NET_SB1000
+ tristate "General Instruments Surfboard 1000"
+ depends on PNP
+ help
+ This is a driver for the General Instrument (also known as
+ NextLevel) SURFboard 1000 internal
+ cable modem. This is an ISA card which is used by a number of cable
+ TV companies to provide cable modem access. It's a one-way
+ downstream-only cable modem, meaning that your upstream net link is
+ provided by your regular phone modem.
+
+ At present this driver only compiles as a module, so say M here if
+ you have this card. The module will be called sb1000. Then read
+ <file:Documentation/networking/device_drivers/cable/sb1000.rst> for
+ information on how to use this module, as it needs special ppp
+ scripts for establishing a connection. Further documentation
+ and the necessary scripts can be found at:
+
+ <http://www.jacksonville.net/~fventuri/>
+ <http://home.adelphia.net/~siglercm/sb1000.html>
+ <http://linuxpower.cx/~cable/>
+
+ If you don't have this card, of course say N.
+
+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
+ 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.
+
+config USB4_NET
+ tristate "Networking over USB4 and Thunderbolt cables"
+ depends on USB4 && INET
+ help
+ Select this if you want to create network between two computers
+ over a USB4 and Thunderbolt cables. The driver supports Apple
+ ThunderboltIP protocol and allows communication with any host
+ supporting the same protocol including Windows and macOS.
+
+ To compile this driver a module, choose M here. The module will be
+ called thunderbolt-net.
+
+source "drivers/net/hyperv/Kconfig"
+
+config NETDEVSIM
+ tristate "Simulated networking device"
+ depends on DEBUG_FS
+ depends on INET
+ depends on IPV6 || IPV6=n
+ depends on PSAMPLE || PSAMPLE=n
+ select NET_DEVLINK
+ 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.
+
+config NETDEV_LEGACY_INIT
+ bool
+ depends on ISA
+ help
+ Drivers that call netdev_boot_setup_check() should select this
+ symbol, everything else no longer needs it.
+
+endif # NETDEVICES