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       ---help---
 155          This allows one to create vxlan virtual interfaces that provide
 156          Layer 2 Networks over Layer 3 Networks. VXLAN is often used
 157          to tunnel virtual network infrastructure in virtualized environments.
 158          For more information see:
 161          To compile this driver as a module, choose M here: the module
 162          will be called vxlan.
 164config NETCONSOLE
 165        tristate "Network console logging support"
 166        ---help---
 167        If you want to log kernel messages over the network, enable this.
 168        See <file:Documentation/networking/netconsole.txt> for details.
 171        bool "Dynamic reconfiguration of logging targets"
 172        depends on NETCONSOLE && SYSFS && CONFIGFS_FS && \
 173                        !(NETCONSOLE=y && CONFIGFS_FS=m)
 174        help
 175          This option enables the ability to dynamically reconfigure target
 176          parameters (interface, IP addresses, port numbers, MAC addresses)
 177          at runtime through a userspace interface exported using configfs.
 178          See <file:Documentation/networking/netconsole.txt> for details.
 180config NETPOLL
 181        def_bool NETCONSOLE
 183config NETPOLL_TRAP
 184        bool "Netpoll traffic trapping"
 185        default n
 186        depends on NETPOLL
 189        def_bool NETPOLL
 191config NTB_NETDEV
 192        tristate "Virtual Ethernet over NTB"
 193        depends on NTB
 195config RIONET
 196        tristate "RapidIO Ethernet over messaging driver support"
 197        depends on RAPIDIO
 199config RIONET_TX_SIZE
 200        int "Number of outbound queue entries"
 201        depends on RIONET
 202        default "128"
 204config RIONET_RX_SIZE
 205        int "Number of inbound queue entries"
 206        depends on RIONET
 207        default "128"
 209config TUN
 210        tristate "Universal TUN/TAP device driver support"
 211        select CRC32
 212        ---help---
 213          TUN/TAP provides packet reception and transmission for user space
 214          programs.  It can be viewed as a simple Point-to-Point or Ethernet
 215          device, which instead of receiving packets from a physical media,
 216          receives them from user space program and instead of sending packets
 217          via physical media writes them to the user space program.
 219          When a program opens /dev/net/tun, driver creates and registers
 220          corresponding net device tunX or tapX.  After a program closed above
 221          devices, driver will automatically delete tunXX or tapXX device and
 222          all routes corresponding to it.
 224          Please read <file:Documentation/networking/tuntap.txt> for more
 225          information.
 227          To compile this driver as a module, choose M here: the module
 228          will be called tun.
 230          If you don't know what to use this for, you don't need it.
 232config VETH
 233        tristate "Virtual ethernet pair device"
 234        ---help---
 235          This device is a local ethernet tunnel. Devices are created in pairs.
 236          When one end receives the packet it appears on its pair and vice
 237          versa.
 239config VIRTIO_NET
 240        tristate "Virtio network driver"
 241        depends on VIRTIO
 242        ---help---
 243          This is the virtual network driver for virtio.  It can be used with
 244          lguest or QEMU based VMMs (like KVM or Xen).  Say Y or M.
 246endif # NET_CORE
 248config SUNGEM_PHY
 249        tristate
 251source "drivers/net/arcnet/Kconfig"
 253source "drivers/atm/Kconfig"
 255source "drivers/net/caif/Kconfig"
 257source "drivers/net/dsa/Kconfig"
 259source "drivers/net/ethernet/Kconfig"
 261source "drivers/net/fddi/Kconfig"
 263source "drivers/net/hippi/Kconfig"
 265config NET_SB1000
 266        tristate "General Instruments Surfboard 1000"
 267        depends on PNP
 268        ---help---
 269          This is a driver for the General Instrument (also known as
 270          NextLevel) SURFboard 1000 internal
 271          cable modem. This is an ISA card which is used by a number of cable
 272          TV companies to provide cable modem access. It's a one-way
 273          downstream-only cable modem, meaning that your upstream net link is
 274          provided by your regular phone modem.
 276          At present this driver only compiles as a module, so say M here if
 277          you have this card. The module will be called sb1000. Then read
 278          <file:Documentation/networking/README.sb1000> for information on how
 279          to use this module, as it needs special ppp scripts for establishing
 280          a connection. Further documentation and the necessary scripts can be
 281          found at:
 283          <>
 284          <>
 285          <>
 287          If you don't have this card, of course say N.
 289source "drivers/net/phy/Kconfig"
 291source "drivers/net/plip/Kconfig"
 293source "drivers/net/ppp/Kconfig"
 295source "drivers/net/slip/Kconfig"
 297source "drivers/s390/net/Kconfig"
 299source "drivers/net/usb/Kconfig"
 301source "drivers/net/wireless/Kconfig"
 303source "drivers/net/wimax/Kconfig"
 305source "drivers/net/wan/Kconfig"
 307source "drivers/net/ieee802154/Kconfig"
 310        tristate "Xen network device frontend driver"
 311        depends on XEN
 312        select XEN_XENBUS_FRONTEND
 313        default y
 314        help
 315          This driver provides support for Xen paravirtual network
 316          devices exported by a Xen network driver domain (often
 317          domain 0).
 319          The corresponding Linux backend driver is enabled by the
 320          CONFIG_XEN_NETDEV_BACKEND option.
 322          If you are compiling a kernel for use as Xen guest, you
 323          should say Y here. To compile this driver as a module, chose
 324          M here: the module will be called xen-netfront.
 327        tristate "Xen backend network device"
 328        depends on XEN_BACKEND
 329        help
 330          This driver allows the kernel to act as a Xen network driver
 331          domain which exports paravirtual network devices to other
 332          Xen domains. These devices can be accessed by any operating
 333          system that implements a compatible front end.
 335          The corresponding Linux frontend driver is enabled by the
 336          CONFIG_XEN_NETDEV_FRONTEND configuration option.
 338          The backend driver presents a standard network device
 339          endpoint for each paravirtual network device to the driver
 340          domain network stack. These can then be bridged or routed
 341          etc in order to provide full network connectivity.
 343          If you are compiling a kernel to run in a Xen network driver
 344          domain (often this is domain 0) you should say Y here. To
 345          compile this driver as a module, chose M here: the module
 346          will be called xen-netback.
 348config VMXNET3
 349        tristate "VMware VMXNET3 ethernet driver"
 350        depends on PCI && INET
 351        help
 352          This driver supports VMware's vmxnet3 virtual ethernet NIC.
 353          To compile this driver as a module, choose M here: the
 354          module will be called vmxnet3.
 356source "drivers/net/hyperv/Kconfig"
 358endif # NETDEVICES
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