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 MII
  29        tristate
  31config NET_CORE
  32        default y
  33        bool "Network core driver support"
  34        ---help---
  35          You can say N here if you do not intend to use any of the
  36          networking core drivers (i.e. VLAN, bridging, bonding, etc.)
  38if NET_CORE
  40config BONDING
  41        tristate "Bonding driver support"
  42        depends on INET
  43        depends on IPV6 || IPV6=n
  44        ---help---
  45          Say 'Y' or 'M' if you wish to be able to 'bond' multiple Ethernet
  46          Channels together. This is called 'Etherchannel' by Cisco,
  47          'Trunking' by Sun, 802.3ad by the IEEE, and 'Bonding' in Linux.
  49          The driver supports multiple bonding modes to allow for both high
  50          performance and high availability operation.
  52          Refer to <file:Documentation/networking/bonding.txt> for more
  53          information.
  55          To compile this driver as a module, choose M here: the module
  56          will be called bonding.
  58config DUMMY
  59        tristate "Dummy net driver support"
  60        ---help---
  61          This is essentially a bit-bucket device (i.e. traffic you send to
  62          this device is consigned into oblivion) with a configurable IP
  63          address. It is most commonly used in order to make your currently
  64          inactive SLIP address seem like a real address for local programs.
  65          If you use SLIP or PPP, you might want to say Y here. Since this
  66          thing often comes in handy, the default is Y. It won't enlarge your
  67          kernel either. What a deal. Read about it in the Network
  68          Administrator's Guide, available from
  69          <>.
  71          To compile this driver as a module, choose M here: the module
  72          will be called dummy.
  74config EQUALIZER
  75        tristate "EQL (serial line load balancing) support"
  76        ---help---
  77          If you have two serial connections to some other computer (this
  78          usually requires two modems and two telephone lines) and you use
  79          SLIP (the protocol for sending Internet traffic over telephone
  80          lines) or PPP (a better SLIP) on them, you can make them behave like
  81          one double speed connection using this driver.  Naturally, this has
  82          to be supported at the other end as well, either with a similar EQL
  83          Linux driver or with a Livingston Portmaster 2e.
  85          Say Y if you want this and read
  86          <file:Documentation/networking/eql.txt>.  You may also want to read
  87          section 6.2 of the NET-3-HOWTO, available from
  88          <>.
  90          To compile this driver as a module, choose M here: the module
  91          will be called eql.  If unsure, say N.
  93config NET_FC
  94        bool "Fibre Channel driver support"
  95        depends on SCSI && PCI
  96        help
  97          Fibre Channel is a high speed serial protocol mainly used to connect
  98          large storage devices to the computer; it is compatible with and
  99          intended to replace SCSI.
 101          If you intend to use Fibre Channel, you need to have a Fibre channel
 102          adaptor card in your computer; say Y here and to the driver for your
 103          adaptor below. You also should have said Y to "SCSI support" and
 104          "SCSI generic support".
 106config IFB
 107        tristate "Intermediate Functional Block support"
 108        depends on NET_CLS_ACT
 109        ---help---
 110          This is an intermediate driver that allows sharing of
 111          resources.
 112          To compile this driver as a module, choose M here: the module
 113          will be called ifb.  If you want to use more than one ifb
 114          device at a time, you need to compile this driver as a module.
 115          Instead of 'ifb', the devices will then be called 'ifb0',
 116          'ifb1' etc.
 117          Look at the iproute2 documentation directory for usage etc
 119source "drivers/net/team/Kconfig"
 121config MACVLAN
 122        tristate "MAC-VLAN support"
 123        ---help---
 124          This allows one to create virtual interfaces that map packets to
 125          or from specific MAC addresses to a particular interface.
 127          Macvlan devices can be added using the "ip" command from the
 128          iproute2 package starting with the iproute2-2.6.23 release:
 130          "ip link add link <real dev> [ address MAC ] [ NAME ] type macvlan"
 132          To compile this driver as a module, choose M here: the module
 133          will be called macvlan.
 135config MACVTAP
 136        tristate "MAC-VLAN based tap driver"
 137        depends on MACVLAN
 138        help
 139          This adds a specialized tap character device driver that is based
 140          on the MAC-VLAN network interface, called macvtap. A macvtap device
 141          can be added in the same way as a macvlan device, using 'type
 142          macvlan', and then be accessed through the tap user space interface.
 144          To compile this driver as a module, choose M here: the module
 145          will be called macvtap.
 147config VXLAN
 148       tristate "Virtual eXtensible Local Area Network (VXLAN)"
 149       depends on INET
 150       select NET_IP_TUNNEL
 151       ---help---
 152          This allows one to create vxlan virtual interfaces that provide
 153          Layer 2 Networks over Layer 3 Networks. VXLAN is often used
 154          to tunnel virtual network infrastructure in virtualized environments.
 155          For more information see:
 158          To compile this driver as a module, choose M here: the module
 159          will be called vxlan.
 161config NETCONSOLE
 162        tristate "Network console logging support"
 163        ---help---
 164        If you want to log kernel messages over the network, enable this.
 165        See <file:Documentation/networking/netconsole.txt> for details.
 168        bool "Dynamic reconfiguration of logging targets"
 169        depends on NETCONSOLE && SYSFS && CONFIGFS_FS && \
 170                        !(NETCONSOLE=y && CONFIGFS_FS=m)
 171        help
 172          This option enables the ability to dynamically reconfigure target
 173          parameters (interface, IP addresses, port numbers, MAC addresses)
 174          at runtime through a userspace interface exported using configfs.
 175          See <file:Documentation/networking/netconsole.txt> for details.
 177config NETPOLL
 178        def_bool NETCONSOLE
 180config NETPOLL_TRAP
 181        bool "Netpoll traffic trapping"
 182        default n
 183        depends on NETPOLL
 186        def_bool NETPOLL
 188config NTB_NETDEV
 189        tristate "Virtual Ethernet over NTB"
 190        depends on NTB
 192config RIONET
 193        tristate "RapidIO Ethernet over messaging driver support"
 194        depends on RAPIDIO
 196config RIONET_TX_SIZE
 197        int "Number of outbound queue entries"
 198        depends on RIONET
 199        default "128"
 201config RIONET_RX_SIZE
 202        int "Number of inbound queue entries"
 203        depends on RIONET
 204        default "128"
 206config TUN
 207        tristate "Universal TUN/TAP device driver support"
 208        select CRC32
 209        ---help---
 210          TUN/TAP provides packet reception and transmission for user space
 211          programs.  It can be viewed as a simple Point-to-Point or Ethernet
 212          device, which instead of receiving packets from a physical media,
 213          receives them from user space program and instead of sending packets
 214          via physical media writes them to the user space program.
 216          When a program opens /dev/net/tun, driver creates and registers
 217          corresponding net device tunX or tapX.  After a program closed above
 218          devices, driver will automatically delete tunXX or tapXX device and
 219          all routes corresponding to it.
 221          Please read <file:Documentation/networking/tuntap.txt> for more
 222          information.
 224          To compile this driver as a module, choose M here: the module
 225          will be called tun.
 227          If you don't know what to use this for, you don't need it.
 229config VETH
 230        tristate "Virtual ethernet pair device"
 231        ---help---
 232          This device is a local ethernet tunnel. Devices are created in pairs.
 233          When one end receives the packet it appears on its pair and vice
 234          versa.
 236config VIRTIO_NET
 237        tristate "Virtio network driver"
 238        depends on VIRTIO
 239        ---help---
 240          This is the virtual network driver for virtio.  It can be used with
 241          lguest or QEMU based VMMs (like KVM or Xen).  Say Y or M.
 243config NLMON
 244        tristate "Virtual netlink monitoring device"
 245        ---help---
 246          This option enables a monitoring net device for netlink skbs. The
 247          purpose of this is to analyze netlink messages with packet sockets.
 248          Thus applications like tcpdump will be able to see local netlink
 249          messages if they tap into the netlink device, record pcaps for further
 250          diagnostics, etc. This is mostly intended for developers or support
 251          to debug netlink issues. If unsure, say N.
 253endif # NET_CORE
 255config SUNGEM_PHY
 256        tristate
 258source "drivers/net/arcnet/Kconfig"
 260source "drivers/atm/Kconfig"
 262source "drivers/net/caif/Kconfig"
 264source "drivers/net/dsa/Kconfig"
 266source "drivers/net/ethernet/Kconfig"
 268source "drivers/net/fddi/Kconfig"
 270source "drivers/net/hippi/Kconfig"
 272config NET_SB1000
 273        tristate "General Instruments Surfboard 1000"
 274        depends on PNP
 275        ---help---
 276          This is a driver for the General Instrument (also known as
 277          NextLevel) SURFboard 1000 internal
 278          cable modem. This is an ISA card which is used by a number of cable
 279          TV companies to provide cable modem access. It's a one-way
 280          downstream-only cable modem, meaning that your upstream net link is
 281          provided by your regular phone modem.
 283          At present this driver only compiles as a module, so say M here if
 284          you have this card. The module will be called sb1000. Then read
 285          <file:Documentation/networking/README.sb1000> for information on how
 286          to use this module, as it needs special ppp scripts for establishing
 287          a connection. Further documentation and the necessary scripts can be
 288          found at:
 290          <>
 291          <>
 292          <>
 294          If you don't have this card, of course say N.
 296source "drivers/net/phy/Kconfig"
 298source "drivers/net/plip/Kconfig"
 300source "drivers/net/ppp/Kconfig"
 302source "drivers/net/slip/Kconfig"
 304source "drivers/s390/net/Kconfig"
 306source "drivers/net/usb/Kconfig"
 308source "drivers/net/wireless/Kconfig"
 310source "drivers/net/wimax/Kconfig"
 312source "drivers/net/wan/Kconfig"
 314source "drivers/net/ieee802154/Kconfig"
 317        tristate "Xen network device frontend driver"
 318        depends on XEN
 319        select XEN_XENBUS_FRONTEND
 320        default y
 321        help
 322          This driver provides support for Xen paravirtual network
 323          devices exported by a Xen network driver domain (often
 324          domain 0).
 326          The corresponding Linux backend driver is enabled by the
 327          CONFIG_XEN_NETDEV_BACKEND option.
 329          If you are compiling a kernel for use as Xen guest, you
 330          should say Y here. To compile this driver as a module, chose
 331          M here: the module will be called xen-netfront.
 334        tristate "Xen backend network device"
 335        depends on XEN_BACKEND
 336        help
 337          This driver allows the kernel to act as a Xen network driver
 338          domain which exports paravirtual network devices to other
 339          Xen domains. These devices can be accessed by any operating
 340          system that implements a compatible front end.
 342          The corresponding Linux frontend driver is enabled by the
 343          CONFIG_XEN_NETDEV_FRONTEND configuration option.
 345          The backend driver presents a standard network device
 346          endpoint for each paravirtual network device to the driver
 347          domain network stack. These can then be bridged or routed
 348          etc in order to provide full network connectivity.
 350          If you are compiling a kernel to run in a Xen network driver
 351          domain (often this is domain 0) you should say Y here. To
 352          compile this driver as a module, chose M here: the module
 353          will be called xen-netback.
 355config VMXNET3
 356        tristate "VMware VMXNET3 ethernet driver"
 357        depends on PCI && INET
 358        help
 359          This driver supports VMware's vmxnet3 virtual ethernet NIC.
 360          To compile this driver as a module, choose M here: the
 361          module will be called vmxnet3.
 363source "drivers/net/hyperv/Kconfig"
 365endif # NETDEVICES
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