| # 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 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 |
| 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 || 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 |
| 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 IPV6 || IPV6=n |
| depends on PSAMPLE || PSAMPLE=n |
| depends on PTP_1588_CLOCK_MOCK || PTP_1588_CLOCK_MOCK=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 |
