2# Network device configuration
   5menuconfig NETDEVICES
   6        default y if UML
   7        depends on NET
   8        bool "Network device support"
   9        ---help---
  10          You can say N here if you don't intend to connect your Linux box to
  11          any other computer at all.
  13          You'll have to say Y if your computer contains a network card that
  14          you want to use under Linux. If you are going to run SLIP or PPP over
  15          telephone line or null modem cable you need say Y here. Connecting
  16          two machines with parallel ports using PLIP needs this, as well as
  17          AX.25/KISS for sending Internet traffic over amateur radio links.
  19          See also "The Linux Network Administrator's Guide" by Olaf Kirch and
  20          Terry Dawson. Available at <>.
  22          If unsure, say Y.
  24# All the following symbols are dependent on NETDEVICES - do not repeat
  25# that for each of the symbols.
  28config NET_CORE
  29        default y
  30        bool "Network core driver support"
  31        ---help---
  32          You can say N here if you do not intend to use any of the
  33          networking core drivers (i.e. VLAN, bridging, bonding, etc.)
  35if NET_CORE
  37config BONDING
  38        tristate "Bonding driver support"
  39        depends on INET
  40        depends on IPV6 || IPV6=n
  41        ---help---
  42          Say 'Y' or 'M' if you wish to be able to 'bond' multiple Ethernet
  43          Channels together. This is called 'Etherchannel' by Cisco,
  44          'Trunking' by Sun, 802.3ad by the IEEE, and 'Bonding' in Linux.
  46          The driver supports multiple bonding modes to allow for both high
  47          performance and high availability operation.
  49          Refer to <file:Documentation/networking/bonding.txt> for more
  50          information.
  52          To compile this driver as a module, choose M here: the module
  53          will be called bonding.
  55config DUMMY
  56        tristate "Dummy net driver support"
  57        ---help---
  58          This is essentially a bit-bucket device (i.e. traffic you send to
  59          this device is consigned into oblivion) with a configurable IP
  60          address. It is most commonly used in order to make your currently
  61          inactive SLIP address seem like a real address for local programs.
  62          If you use SLIP or PPP, you might want to say Y here. Since this
  63          thing often comes in handy, the default is Y. It won't enlarge your
  64          kernel either. What a deal. Read about it in the Network
  65          Administrator's Guide, available from
  66          <>.
  68          To compile this driver as a module, choose M here: the module
  69          will be called dummy.
  71config EQUALIZER
  72        tristate "EQL (serial line load balancing) support"
  73        ---help---
  74          If you have two serial connections to some other computer (this
  75          usually requires two modems and two telephone lines) and you use
  76          SLIP (the protocol for sending Internet traffic over telephone
  77          lines) or PPP (a better SLIP) on them, you can make them behave like
  78          one double speed connection using this driver.  Naturally, this has
  79          to be supported at the other end as well, either with a similar EQL
  80          Linux driver or with a Livingston Portmaster 2e.
  82          Say Y if you want this and read
  83          <file:Documentation/networking/eql.txt>.  You may also want to read
  84          section 6.2 of the NET-3-HOWTO, available from
  85          <>.
  87          To compile this driver as a module, choose M here: the module
  88          will be called eql.  If unsure, say N.
  90config NET_FC
  91        bool "Fibre Channel driver support"
  92        depends on SCSI && PCI
  93        help
  94          Fibre Channel is a high speed serial protocol mainly used to connect
  95          large storage devices to the computer; it is compatible with and
  96          intended to replace SCSI.
  98          If you intend to use Fibre Channel, you need to have a Fibre channel
  99          adaptor card in your computer; say Y here and to the driver for your
 100          adaptor below. You also should have said Y to "SCSI support" and
 101          "SCSI generic support".
 103config MII
 104        tristate "Generic Media Independent Interface device support"
 105        help
 106          Most ethernet controllers have MII transceiver either as an external
 107          or internal device.  It is safe to say Y or M here even if your
 108          ethernet card lacks MII.
 110config IFB
 111        tristate "Intermediate Functional Block support"
 112        depends on NET_CLS_ACT
 113        ---help---
 114          This is an intermediate driver that allows sharing of
 115          resources.
 116          To compile this driver as a module, choose M here: the module
 117          will be called ifb.  If you want to use more than one ifb
 118          device at a time, you need to compile this driver as a module.
 119          Instead of 'ifb', the devices will then be called 'ifb0',
 120          'ifb1' etc.
 121          Look at the iproute2 documentation directory for usage etc
 123source "drivers/net/team/Kconfig"
 125config MACVLAN
 126        tristate "MAC-VLAN support"
 127        ---help---
 128          This allows one to create virtual interfaces that map packets to
 129          or from specific MAC addresses to a particular interface.
 131          Macvlan devices can be added using the "ip" command from the
 132          iproute2 package starting with the iproute2-2.6.23 release:
 134          "ip link add link <real dev> [ address MAC ] [ NAME ] type macvlan"
 136          To compile this driver as a module, choose M here: the module
 137          will be called macvlan.
 139config MACVTAP
 140        tristate "MAC-VLAN based tap driver"
 141        depends on MACVLAN
 142        help
 143          This adds a specialized tap character device driver that is based
 144          on the MAC-VLAN network interface, called macvtap. A macvtap device
 145          can be added in the same way as a macvlan device, using 'type
 146          macvlan', and then be accessed through the tap user space interface.
 148          To compile this driver as a module, choose M here: the module
 149          will be called macvtap.
 151config VXLAN
 152       tristate "Virtual eXtensible Local Area Network (VXLAN)"
 153       depends on INET
 154       select NET_IP_TUNNEL
 155       ---help---
 156          This allows one to create vxlan virtual interfaces that provide
 157          Layer 2 Networks over Layer 3 Networks. VXLAN is often used
 158          to tunnel virtual network infrastructure in virtualized environments.
 159          For more information see:
 162          To compile this driver as a module, choose M here: the module
 163          will be called vxlan.
 165config NETCONSOLE
 166        tristate "Network console logging support"
 167        ---help---
 168        If you want to log kernel messages over the network, enable this.
 169        See <file:Documentation/networking/netconsole.txt> for details.
 172        bool "Dynamic reconfiguration of logging targets"
 173        depends on NETCONSOLE && SYSFS && CONFIGFS_FS && \
 174                        !(NETCONSOLE=y && CONFIGFS_FS=m)
 175        help
 176          This option enables the ability to dynamically reconfigure target
 177          parameters (interface, IP addresses, port numbers, MAC addresses)
 178          at runtime through a userspace interface exported using configfs.
 179          See <file:Documentation/networking/netconsole.txt> for details.
 181config NETPOLL
 182        def_bool NETCONSOLE
 184config NETPOLL_TRAP
 185        bool "Netpoll traffic trapping"
 186        default n
 187        depends on NETPOLL
 190        def_bool NETPOLL
 192config NTB_NETDEV
 193        tristate "Virtual Ethernet over NTB"
 194        depends on NTB
 196config RIONET
 197        tristate "RapidIO Ethernet over messaging driver support"
 198        depends on RAPIDIO
 200config RIONET_TX_SIZE
 201        int "Number of outbound queue entries"
 202        depends on RIONET
 203        default "128"
 205config RIONET_RX_SIZE
 206        int "Number of inbound queue entries"
 207        depends on RIONET
 208        default "128"
 210config TUN
 211        tristate "Universal TUN/TAP device driver support"
 212        select CRC32
 213        ---help---
 214          TUN/TAP provides packet reception and transmission for user space
 215          programs.  It can be viewed as a simple Point-to-Point or Ethernet
 216          device, which instead of receiving packets from a physical media,
 217          receives them from user space program and instead of sending packets
 218          via physical media writes them to the user space program.
 220          When a program opens /dev/net/tun, driver creates and registers
 221          corresponding net device tunX or tapX.  After a program closed above
 222          devices, driver will automatically delete tunXX or tapXX device and
 223          all routes corresponding to it.
 225          Please read <file:Documentation/networking/tuntap.txt> for more
 226          information.
 228          To compile this driver as a module, choose M here: the module
 229          will be called tun.
 231          If you don't know what to use this for, you don't need it.
 233config VETH
 234        tristate "Virtual ethernet pair device"
 235        ---help---
 236          This device is a local ethernet tunnel. Devices are created in pairs.
 237          When one end receives the packet it appears on its pair and vice
 238          versa.
 240config VIRTIO_NET
 241        tristate "Virtio network driver"
 242        depends on VIRTIO
 243        ---help---
 244          This is the virtual network driver for virtio.  It can be used with
 245          lguest or QEMU based VMMs (like KVM or Xen).  Say Y or M.
 247endif # NET_CORE
 249config SUNGEM_PHY
 250        tristate
 252source "drivers/net/arcnet/Kconfig"
 254source "drivers/atm/Kconfig"
 256source "drivers/net/caif/Kconfig"
 258source "drivers/net/dsa/Kconfig"
 260source "drivers/net/ethernet/Kconfig"
 262source "drivers/net/fddi/Kconfig"
 264source "drivers/net/hippi/Kconfig"
 266config NET_SB1000
 267        tristate "General Instruments Surfboard 1000"
 268        depends on PNP
 269        ---help---
 270          This is a driver for the General Instrument (also known as
 271          NextLevel) SURFboard 1000 internal
 272          cable modem. This is an ISA card which is used by a number of cable
 273          TV companies to provide cable modem access. It's a one-way
 274          downstream-only cable modem, meaning that your upstream net link is
 275          provided by your regular phone modem.
 277          At present this driver only compiles as a module, so say M here if
 278          you have this card. The module will be called sb1000. Then read
 279          <file:Documentation/networking/README.sb1000> for information on how
 280          to use this module, as it needs special ppp scripts for establishing
 281          a connection. Further documentation and the necessary scripts can be
 282          found at:
 284          <>
 285          <>
 286          <>
 288          If you don't have this card, of course say N.
 290source "drivers/net/phy/Kconfig"
 292source "drivers/net/plip/Kconfig"
 294source "drivers/net/ppp/Kconfig"
 296source "drivers/net/slip/Kconfig"
 298source "drivers/s390/net/Kconfig"
 300source "drivers/net/usb/Kconfig"
 302source "drivers/net/wireless/Kconfig"
 304source "drivers/net/wimax/Kconfig"
 306source "drivers/net/wan/Kconfig"
 308source "drivers/net/ieee802154/Kconfig"
 311        tristate "Xen network device frontend driver"
 312        depends on XEN
 313        select XEN_XENBUS_FRONTEND
 314        default y
 315        help
 316          This driver provides support for Xen paravirtual network
 317          devices exported by a Xen network driver domain (often
 318          domain 0).
 320          The corresponding Linux backend driver is enabled by the
 321          CONFIG_XEN_NETDEV_BACKEND option.
 323          If you are compiling a kernel for use as Xen guest, you
 324          should say Y here. To compile this driver as a module, chose
 325          M here: the module will be called xen-netfront.
 328        tristate "Xen backend network device"
 329        depends on XEN_BACKEND
 330        help
 331          This driver allows the kernel to act as a Xen network driver
 332          domain which exports paravirtual network devices to other
 333          Xen domains. These devices can be accessed by any operating
 334          system that implements a compatible front end.
 336          The corresponding Linux frontend driver is enabled by the
 337          CONFIG_XEN_NETDEV_FRONTEND configuration option.
 339          The backend driver presents a standard network device
 340          endpoint for each paravirtual network device to the driver
 341          domain network stack. These can then be bridged or routed
 342          etc in order to provide full network connectivity.
 344          If you are compiling a kernel to run in a Xen network driver
 345          domain (often this is domain 0) you should say Y here. To
 346          compile this driver as a module, chose M here: the module
 347          will be called xen-netback.
 349config VMXNET3
 350        tristate "VMware VMXNET3 ethernet driver"
 351        depends on PCI && INET
 352        help
 353          This driver supports VMware's vmxnet3 virtual ethernet NIC.
 354          To compile this driver as a module, choose M here: the
 355          module will be called vmxnet3.
 357source "drivers/net/hyperv/Kconfig"
 359endif # NETDEVICES
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