Kconfig 32 KB

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  1. #
  2. # Network device configuration
  3. #
  4. menuconfig NETDEVICES
  5. default y if UML
  6. depends on NET
  7. bool "Network device support"
  8. ---help---
  9. You can say N here if you don't intend to connect your Linux box to
  10. any other computer at all.
  11. You'll have to say Y if your computer contains a network card that
  12. you want to use under Linux. If you are going to run SLIP or PPP over
  13. telephone line or null modem cable you need say Y here. Connecting
  14. two machines with parallel ports using PLIP needs this, as well as
  15. AX.25/KISS for sending Internet traffic over amateur radio links.
  16. See also "The Linux Network Administrator's Guide" by Olaf Kirch and
  17. Terry Dawson. Available at <http://www.tldp.org/guides.html>.
  18. If unsure, say Y.
  19. # All the following symbols are dependent on NETDEVICES - do not repeat
  20. # that for each of the symbols.
  21. if NETDEVICES
  22. config IFB
  23. tristate "Intermediate Functional Block support"
  24. depends on NET_CLS_ACT
  25. ---help---
  26. This is an intermediate driver that allows sharing of
  27. resources.
  28. To compile this driver as a module, choose M here: the module
  29. will be called ifb. If you want to use more than one ifb
  30. device at a time, you need to compile this driver as a module.
  31. Instead of 'ifb', the devices will then be called 'ifb0',
  32. 'ifb1' etc.
  33. Look at the iproute2 documentation directory for usage etc
  34. config DUMMY
  35. tristate "Dummy net driver support"
  36. ---help---
  37. This is essentially a bit-bucket device (i.e. traffic you send to
  38. this device is consigned into oblivion) with a configurable IP
  39. address. It is most commonly used in order to make your currently
  40. inactive SLIP address seem like a real address for local programs.
  41. If you use SLIP or PPP, you might want to say Y here. Since this
  42. thing often comes in handy, the default is Y. It won't enlarge your
  43. kernel either. What a deal. Read about it in the Network
  44. Administrator's Guide, available from
  45. <http://www.tldp.org/docs.html#guide>.
  46. To compile this driver as a module, choose M here: the module
  47. will be called dummy. If you want to use more than one dummy
  48. device at a time, you need to compile this driver as a module.
  49. Instead of 'dummy', the devices will then be called 'dummy0',
  50. 'dummy1' etc.
  51. config BONDING
  52. tristate "Bonding driver support"
  53. depends on INET
  54. depends on IPV6 || IPV6=n
  55. ---help---
  56. Say 'Y' or 'M' if you wish to be able to 'bond' multiple Ethernet
  57. Channels together. This is called 'Etherchannel' by Cisco,
  58. 'Trunking' by Sun, 802.3ad by the IEEE, and 'Bonding' in Linux.
  59. The driver supports multiple bonding modes to allow for both high
  60. performance and high availability operation.
  61. Refer to <file:Documentation/networking/bonding.txt> for more
  62. information.
  63. To compile this driver as a module, choose M here: the module
  64. will be called bonding.
  65. config MACVLAN
  66. tristate "MAC-VLAN support (EXPERIMENTAL)"
  67. depends on EXPERIMENTAL
  68. ---help---
  69. This allows one to create virtual interfaces that map packets to
  70. or from specific MAC addresses to a particular interface.
  71. Macvlan devices can be added using the "ip" command from the
  72. iproute2 package starting with the iproute2-2.6.23 release:
  73. "ip link add link <real dev> [ address MAC ] [ NAME ] type macvlan"
  74. To compile this driver as a module, choose M here: the module
  75. will be called macvlan.
  76. config MACVTAP
  77. tristate "MAC-VLAN based tap driver (EXPERIMENTAL)"
  78. depends on MACVLAN
  79. help
  80. This adds a specialized tap character device driver that is based
  81. on the MAC-VLAN network interface, called macvtap. A macvtap device
  82. can be added in the same way as a macvlan device, using 'type
  83. macvlan', and then be accessed through the tap user space interface.
  84. To compile this driver as a module, choose M here: the module
  85. will be called macvtap.
  86. config EQUALIZER
  87. tristate "EQL (serial line load balancing) support"
  88. ---help---
  89. If you have two serial connections to some other computer (this
  90. usually requires two modems and two telephone lines) and you use
  91. SLIP (the protocol for sending Internet traffic over telephone
  92. lines) or PPP (a better SLIP) on them, you can make them behave like
  93. one double speed connection using this driver. Naturally, this has
  94. to be supported at the other end as well, either with a similar EQL
  95. Linux driver or with a Livingston Portmaster 2e.
  96. Say Y if you want this and read
  97. <file:Documentation/networking/eql.txt>. You may also want to read
  98. section 6.2 of the NET-3-HOWTO, available from
  99. <http://www.tldp.org/docs.html#howto>.
  100. To compile this driver as a module, choose M here: the module
  101. will be called eql. If unsure, say N.
  102. config TUN
  103. tristate "Universal TUN/TAP device driver support"
  104. select CRC32
  105. ---help---
  106. TUN/TAP provides packet reception and transmission for user space
  107. programs. It can be viewed as a simple Point-to-Point or Ethernet
  108. device, which instead of receiving packets from a physical media,
  109. receives them from user space program and instead of sending packets
  110. via physical media writes them to the user space program.
  111. When a program opens /dev/net/tun, driver creates and registers
  112. corresponding net device tunX or tapX. After a program closed above
  113. devices, driver will automatically delete tunXX or tapXX device and
  114. all routes corresponding to it.
  115. Please read <file:Documentation/networking/tuntap.txt> for more
  116. information.
  117. To compile this driver as a module, choose M here: the module
  118. will be called tun.
  119. If you don't know what to use this for, you don't need it.
  120. config VETH
  121. tristate "Virtual ethernet pair device"
  122. ---help---
  123. This device is a local ethernet tunnel. Devices are created in pairs.
  124. When one end receives the packet it appears on its pair and vice
  125. versa.
  126. config NET_SB1000
  127. tristate "General Instruments Surfboard 1000"
  128. depends on PNP
  129. ---help---
  130. This is a driver for the General Instrument (also known as
  131. NextLevel) SURFboard 1000 internal
  132. cable modem. This is an ISA card which is used by a number of cable
  133. TV companies to provide cable modem access. It's a one-way
  134. downstream-only cable modem, meaning that your upstream net link is
  135. provided by your regular phone modem.
  136. At present this driver only compiles as a module, so say M here if
  137. you have this card. The module will be called sb1000. Then read
  138. <file:Documentation/networking/README.sb1000> for information on how
  139. to use this module, as it needs special ppp scripts for establishing
  140. a connection. Further documentation and the necessary scripts can be
  141. found at:
  142. <http://www.jacksonville.net/~fventuri/>
  143. <http://home.adelphia.net/~siglercm/sb1000.html>
  144. <http://linuxpower.cx/~cable/>
  145. If you don't have this card, of course say N.
  146. source "drivers/net/arcnet/Kconfig"
  147. config MII
  148. tristate "Generic Media Independent Interface device support"
  149. help
  150. Most ethernet controllers have MII transceiver either as an external
  151. or internal device. It is safe to say Y or M here even if your
  152. ethernet card lacks MII.
  153. source "drivers/net/phy/Kconfig"
  154. #
  155. # Ethernet
  156. #
  157. source "drivers/net/ethernet/Kconfig"
  158. menuconfig NET_ETHERNET
  159. bool "Ethernet (10 or 100Mbit)"
  160. depends on !UML
  161. ---help---
  162. Ethernet (also called IEEE 802.3 or ISO 8802-2) is the most common
  163. type of Local Area Network (LAN) in universities and companies.
  164. Common varieties of Ethernet are: 10BASE-2 or Thinnet (10 Mbps over
  165. coaxial cable, linking computers in a chain), 10BASE-T or twisted
  166. pair (10 Mbps over twisted pair cable, linking computers to central
  167. hubs), 10BASE-F (10 Mbps over optical fiber links, using hubs),
  168. 100BASE-TX (100 Mbps over two twisted pair cables, using hubs),
  169. 100BASE-T4 (100 Mbps over 4 standard voice-grade twisted pair
  170. cables, using hubs), 100BASE-FX (100 Mbps over optical fiber links)
  171. [the 100BASE varieties are also known as Fast Ethernet], and Gigabit
  172. Ethernet (1 Gbps over optical fiber or short copper links).
  173. If your Linux machine will be connected to an Ethernet and you have
  174. an Ethernet network interface card (NIC) installed in your computer,
  175. say Y here and read the Ethernet-HOWTO, available from
  176. <http://www.tldp.org/docs.html#howto>. You will then also have
  177. to say Y to the driver for your particular NIC.
  178. Note that the answer to this question won't directly affect the
  179. kernel: saying N will just cause the configurator to skip all
  180. the questions about Ethernet network cards. If unsure, say N.
  181. if NET_ETHERNET
  182. config SH_ETH
  183. tristate "Renesas SuperH Ethernet support"
  184. depends on SUPERH && \
  185. (CPU_SUBTYPE_SH7710 || CPU_SUBTYPE_SH7712 || \
  186. CPU_SUBTYPE_SH7763 || CPU_SUBTYPE_SH7619 || \
  187. CPU_SUBTYPE_SH7724 || CPU_SUBTYPE_SH7757)
  188. select CRC32
  189. select MII
  190. select MDIO_BITBANG
  191. select PHYLIB
  192. help
  193. Renesas SuperH Ethernet device driver.
  194. This driver supporting CPUs are:
  195. - SH7710, SH7712, SH7763, SH7619, SH7724, and SH7757.
  196. config NET_NETX
  197. tristate "NetX Ethernet support"
  198. select MII
  199. depends on ARCH_NETX
  200. help
  201. This is support for the Hilscher netX builtin Ethernet ports
  202. To compile this driver as a module, choose M here. The module
  203. will be called netx-eth.
  204. config DM9000
  205. tristate "DM9000 support"
  206. depends on ARM || BLACKFIN || MIPS
  207. select CRC32
  208. select MII
  209. ---help---
  210. Support for DM9000 chipset.
  211. To compile this driver as a module, choose M here. The module
  212. will be called dm9000.
  213. config DM9000_DEBUGLEVEL
  214. int "DM9000 maximum debug level"
  215. depends on DM9000
  216. default 4
  217. help
  218. The maximum level of debugging code compiled into the DM9000
  219. driver.
  220. config DM9000_FORCE_SIMPLE_PHY_POLL
  221. bool "Force simple NSR based PHY polling"
  222. depends on DM9000
  223. ---help---
  224. This configuration forces the DM9000 to use the NSR's LinkStatus
  225. bit to determine if the link is up or down instead of the more
  226. costly MII PHY reads. Note, this will not work if the chip is
  227. operating with an external PHY.
  228. config ENC28J60
  229. tristate "ENC28J60 support"
  230. depends on EXPERIMENTAL && SPI && NET_ETHERNET
  231. select CRC32
  232. ---help---
  233. Support for the Microchip EN28J60 ethernet chip.
  234. To compile this driver as a module, choose M here. The module will be
  235. called enc28j60.
  236. config ENC28J60_WRITEVERIFY
  237. bool "Enable write verify"
  238. depends on ENC28J60
  239. ---help---
  240. Enable the verify after the buffer write useful for debugging purpose.
  241. If unsure, say N.
  242. config ETHOC
  243. tristate "OpenCores 10/100 Mbps Ethernet MAC support"
  244. depends on NET_ETHERNET && HAS_IOMEM && HAS_DMA
  245. select MII
  246. select PHYLIB
  247. select CRC32
  248. select BITREVERSE
  249. help
  250. Say Y here if you want to use the OpenCores 10/100 Mbps Ethernet MAC.
  251. config GRETH
  252. tristate "Aeroflex Gaisler GRETH Ethernet MAC support"
  253. depends on SPARC
  254. select PHYLIB
  255. select CRC32
  256. help
  257. Say Y here if you want to use the Aeroflex Gaisler GRETH Ethernet MAC.
  258. config DNET
  259. tristate "Dave ethernet support (DNET)"
  260. depends on NET_ETHERNET && HAS_IOMEM
  261. select PHYLIB
  262. help
  263. The Dave ethernet interface (DNET) is found on Qong Board FPGA.
  264. Say Y to include support for the DNET chip.
  265. To compile this driver as a module, choose M here: the module
  266. will be called dnet.
  267. config NET_PCI
  268. bool "EISA, VLB, PCI and on board controllers"
  269. depends on ISA || EISA || PCI
  270. help
  271. This is another class of network cards which attach directly to the
  272. bus. If you have one of those, say Y and read the Ethernet-HOWTO,
  273. available from <http://www.tldp.org/docs.html#howto>.
  274. Note that the answer to this question doesn't directly affect the
  275. kernel: saying N will just cause the configurator to skip all
  276. the questions about this class of network cards. If you say Y, you
  277. will be asked for your specific card in the following questions. If
  278. you are unsure, say Y.
  279. config NET_POCKET
  280. bool "Pocket and portable adapters"
  281. depends on PARPORT
  282. ---help---
  283. Cute little network (Ethernet) devices which attach to the parallel
  284. port ("pocket adapters"), commonly used with laptops. If you have
  285. one of those, say Y and read the Ethernet-HOWTO, available from
  286. <http://www.tldp.org/docs.html#howto>.
  287. If you want to plug a network (or some other) card into the PCMCIA
  288. (or PC-card) slot of your laptop instead (PCMCIA is the standard for
  289. credit card size extension cards used by all modern laptops), you
  290. need the pcmcia-cs package (location contained in the file
  291. <file:Documentation/Changes>) and you can say N here.
  292. Laptop users should read the Linux Laptop home page at
  293. <http://www.linux-on-laptops.com/> or
  294. Tuxmobil - Linux on Mobile Computers at <http://www.tuxmobil.org/>.
  295. Note that the answer to this question doesn't directly affect the
  296. kernel: saying N will just cause the configurator to skip all
  297. the questions about this class of network devices. If you say Y, you
  298. will be asked for your specific device in the following questions.
  299. endif # NET_ETHERNET
  300. #
  301. # Gigabit Ethernet
  302. #
  303. menuconfig NETDEV_1000
  304. bool "Ethernet (1000 Mbit)"
  305. depends on !UML
  306. default y
  307. ---help---
  308. Ethernet (also called IEEE 802.3 or ISO 8802-2) is the most common
  309. type of Local Area Network (LAN) in universities and companies.
  310. Say Y here to get to see options for Gigabit Ethernet drivers.
  311. This option alone does not add any kernel code.
  312. Note that drivers supporting both 100 and 1000 MBit may be listed
  313. under "Ethernet (10 or 100MBit)" instead.
  314. If you say N, all options in this submenu will be skipped and disabled.
  315. if NETDEV_1000
  316. endif # NETDEV_1000
  317. #
  318. # 10 Gigabit Ethernet
  319. #
  320. menuconfig NETDEV_10000
  321. bool "Ethernet (10000 Mbit)"
  322. depends on !UML
  323. default y
  324. ---help---
  325. Say Y here to get to see options for 10 Gigabit Ethernet drivers.
  326. This option alone does not add any kernel code.
  327. If you say N, all options in this submenu will be skipped and disabled.
  328. if NETDEV_10000
  329. config MDIO
  330. tristate
  331. config SUNGEM_PHY
  332. tristate
  333. endif # NETDEV_10000
  334. source "drivers/net/tokenring/Kconfig"
  335. source "drivers/net/wireless/Kconfig"
  336. source "drivers/net/wimax/Kconfig"
  337. source "drivers/net/usb/Kconfig"
  338. source "drivers/net/pcmcia/Kconfig"
  339. source "drivers/net/wan/Kconfig"
  340. source "drivers/atm/Kconfig"
  341. source "drivers/ieee802154/Kconfig"
  342. source "drivers/s390/net/Kconfig"
  343. source "drivers/net/caif/Kconfig"
  344. config TILE_NET
  345. tristate "Tilera GBE/XGBE network driver support"
  346. depends on TILE
  347. default y
  348. select CRC32
  349. help
  350. This is a standard Linux network device driver for the
  351. on-chip Tilera Gigabit Ethernet and XAUI interfaces.
  352. To compile this driver as a module, choose M here: the module
  353. will be called tile_net.
  354. config XEN_NETDEV_FRONTEND
  355. tristate "Xen network device frontend driver"
  356. depends on XEN
  357. select XEN_XENBUS_FRONTEND
  358. default y
  359. help
  360. This driver provides support for Xen paravirtual network
  361. devices exported by a Xen network driver domain (often
  362. domain 0).
  363. The corresponding Linux backend driver is enabled by the
  364. CONFIG_XEN_NETDEV_BACKEND option.
  365. If you are compiling a kernel for use as Xen guest, you
  366. should say Y here. To compile this driver as a module, chose
  367. M here: the module will be called xen-netfront.
  368. config XEN_NETDEV_BACKEND
  369. tristate "Xen backend network device"
  370. depends on XEN_BACKEND
  371. help
  372. This driver allows the kernel to act as a Xen network driver
  373. domain which exports paravirtual network devices to other
  374. Xen domains. These devices can be accessed by any operating
  375. system that implements a compatible front end.
  376. The corresponding Linux frontend driver is enabled by the
  377. CONFIG_XEN_NETDEV_FRONTEND configuration option.
  378. The backend driver presents a standard network device
  379. endpoint for each paravirtual network device to the driver
  380. domain network stack. These can then be bridged or routed
  381. etc in order to provide full network connectivity.
  382. If you are compiling a kernel to run in a Xen network driver
  383. domain (often this is domain 0) you should say Y here. To
  384. compile this driver as a module, chose M here: the module
  385. will be called xen-netback.
  386. config RIONET
  387. tristate "RapidIO Ethernet over messaging driver support"
  388. depends on RAPIDIO
  389. config RIONET_TX_SIZE
  390. int "Number of outbound queue entries"
  391. depends on RIONET
  392. default "128"
  393. config RIONET_RX_SIZE
  394. int "Number of inbound queue entries"
  395. depends on RIONET
  396. default "128"
  397. config FDDI
  398. tristate "FDDI driver support"
  399. depends on (PCI || EISA || TC)
  400. help
  401. Fiber Distributed Data Interface is a high speed local area network
  402. design; essentially a replacement for high speed Ethernet. FDDI can
  403. run over copper or fiber. If you are connected to such a network and
  404. want a driver for the FDDI card in your computer, say Y here (and
  405. then also Y to the driver for your FDDI card, below). Most people
  406. will say N.
  407. config DEFXX
  408. tristate "Digital DEFTA/DEFEA/DEFPA adapter support"
  409. depends on FDDI && (PCI || EISA || TC)
  410. ---help---
  411. This is support for the DIGITAL series of TURBOchannel (DEFTA),
  412. EISA (DEFEA) and PCI (DEFPA) controllers which can connect you
  413. to a local FDDI network.
  414. To compile this driver as a module, choose M here: the module
  415. will be called defxx. If unsure, say N.
  416. config DEFXX_MMIO
  417. bool
  418. prompt "Use MMIO instead of PIO" if PCI || EISA
  419. depends on DEFXX
  420. default n if PCI || EISA
  421. default y
  422. ---help---
  423. This instructs the driver to use EISA or PCI memory-mapped I/O
  424. (MMIO) as appropriate instead of programmed I/O ports (PIO).
  425. Enabling this gives an improvement in processing time in parts
  426. of the driver, but it may cause problems with EISA (DEFEA)
  427. adapters. TURBOchannel does not have the concept of I/O ports,
  428. so MMIO is always used for these (DEFTA) adapters.
  429. If unsure, say N.
  430. config SKFP
  431. tristate "SysKonnect FDDI PCI support"
  432. depends on FDDI && PCI
  433. select BITREVERSE
  434. ---help---
  435. Say Y here if you have a SysKonnect FDDI PCI adapter.
  436. The following adapters are supported by this driver:
  437. - SK-5521 (SK-NET FDDI-UP)
  438. - SK-5522 (SK-NET FDDI-UP DAS)
  439. - SK-5541 (SK-NET FDDI-FP)
  440. - SK-5543 (SK-NET FDDI-LP)
  441. - SK-5544 (SK-NET FDDI-LP DAS)
  442. - SK-5821 (SK-NET FDDI-UP64)
  443. - SK-5822 (SK-NET FDDI-UP64 DAS)
  444. - SK-5841 (SK-NET FDDI-FP64)
  445. - SK-5843 (SK-NET FDDI-LP64)
  446. - SK-5844 (SK-NET FDDI-LP64 DAS)
  447. - Netelligent 100 FDDI DAS Fibre SC
  448. - Netelligent 100 FDDI SAS Fibre SC
  449. - Netelligent 100 FDDI DAS UTP
  450. - Netelligent 100 FDDI SAS UTP
  451. - Netelligent 100 FDDI SAS Fibre MIC
  452. Read <file:Documentation/networking/skfp.txt> for information about
  453. the driver.
  454. Questions concerning this driver can be addressed to:
  455. <linux@syskonnect.de>
  456. To compile this driver as a module, choose M here: the module
  457. will be called skfp. This is recommended.
  458. config HIPPI
  459. bool "HIPPI driver support (EXPERIMENTAL)"
  460. depends on EXPERIMENTAL && INET && PCI
  461. help
  462. HIgh Performance Parallel Interface (HIPPI) is a 800Mbit/sec and
  463. 1600Mbit/sec dual-simplex switched or point-to-point network. HIPPI
  464. can run over copper (25m) or fiber (300m on multi-mode or 10km on
  465. single-mode). HIPPI networks are commonly used for clusters and to
  466. connect to super computers. If you are connected to a HIPPI network
  467. and have a HIPPI network card in your computer that you want to use
  468. under Linux, say Y here (you must also remember to enable the driver
  469. for your HIPPI card below). Most people will say N here.
  470. config ROADRUNNER
  471. tristate "Essential RoadRunner HIPPI PCI adapter support (EXPERIMENTAL)"
  472. depends on HIPPI && PCI
  473. help
  474. Say Y here if this is your PCI HIPPI network card.
  475. To compile this driver as a module, choose M here: the module
  476. will be called rrunner. If unsure, say N.
  477. config ROADRUNNER_LARGE_RINGS
  478. bool "Use large TX/RX rings (EXPERIMENTAL)"
  479. depends on ROADRUNNER
  480. help
  481. If you say Y here, the RoadRunner driver will preallocate up to 2 MB
  482. of additional memory to allow for fastest operation, both for
  483. transmitting and receiving. This memory cannot be used by any other
  484. kernel code or by user space programs. Say Y here only if you have
  485. the memory.
  486. config PLIP
  487. tristate "PLIP (parallel port) support"
  488. depends on PARPORT
  489. ---help---
  490. PLIP (Parallel Line Internet Protocol) is used to create a
  491. reasonably fast mini network consisting of two (or, rarely, more)
  492. local machines. A PLIP link from a Linux box is a popular means to
  493. install a Linux distribution on a machine which doesn't have a
  494. CD-ROM drive (a minimal system has to be transferred with floppies
  495. first). The kernels on both machines need to have this PLIP option
  496. enabled for this to work.
  497. The PLIP driver has two modes, mode 0 and mode 1. The parallel
  498. ports (the connectors at the computers with 25 holes) are connected
  499. with "null printer" or "Turbo Laplink" cables which can transmit 4
  500. bits at a time (mode 0) or with special PLIP cables, to be used on
  501. bidirectional parallel ports only, which can transmit 8 bits at a
  502. time (mode 1); you can find the wiring of these cables in
  503. <file:Documentation/networking/PLIP.txt>. The cables can be up to
  504. 15m long. Mode 0 works also if one of the machines runs DOS/Windows
  505. and has some PLIP software installed, e.g. the Crynwr PLIP packet
  506. driver (<http://oak.oakland.edu/simtel.net/msdos/pktdrvr-pre.html>)
  507. and winsock or NCSA's telnet.
  508. If you want to use PLIP, say Y and read the PLIP mini-HOWTO as well
  509. as the NET-3-HOWTO, both available from
  510. <http://www.tldp.org/docs.html#howto>. Note that the PLIP
  511. protocol has been changed and this PLIP driver won't work together
  512. with the PLIP support in Linux versions 1.0.x. This option enlarges
  513. your kernel by about 8 KB.
  514. To compile this driver as a module, choose M here. The module
  515. will be called plip. If unsure, say Y or M, in case you buy
  516. a laptop later.
  517. config PPP
  518. tristate "PPP (point-to-point protocol) support"
  519. select SLHC
  520. ---help---
  521. PPP (Point to Point Protocol) is a newer and better SLIP. It serves
  522. the same purpose: sending Internet traffic over telephone (and other
  523. serial) lines. Ask your access provider if they support it, because
  524. otherwise you can't use it; most Internet access providers these
  525. days support PPP rather than SLIP.
  526. To use PPP, you need an additional program called pppd as described
  527. in the PPP-HOWTO, available at
  528. <http://www.tldp.org/docs.html#howto>. Make sure that you have
  529. the version of pppd recommended in <file:Documentation/Changes>.
  530. The PPP option enlarges your kernel by about 16 KB.
  531. There are actually two versions of PPP: the traditional PPP for
  532. asynchronous lines, such as regular analog phone lines, and
  533. synchronous PPP which can be used over digital ISDN lines for
  534. example. If you want to use PPP over phone lines or other
  535. asynchronous serial lines, you need to say Y (or M) here and also to
  536. the next option, "PPP support for async serial ports". For PPP over
  537. synchronous lines, you should say Y (or M) here and to "Support
  538. synchronous PPP", below.
  539. If you said Y to "Version information on all symbols" above, then
  540. you cannot compile the PPP driver into the kernel; you can then only
  541. compile it as a module. To compile this driver as a module, choose M
  542. here. The module will be called ppp_generic.
  543. config PPP_MULTILINK
  544. bool "PPP multilink support (EXPERIMENTAL)"
  545. depends on PPP && EXPERIMENTAL
  546. help
  547. PPP multilink is a protocol (defined in RFC 1990) which allows you
  548. to combine several (logical or physical) lines into one logical PPP
  549. connection, so that you can utilize your full bandwidth.
  550. This has to be supported at the other end as well and you need a
  551. version of the pppd daemon which understands the multilink protocol.
  552. If unsure, say N.
  553. config PPP_FILTER
  554. bool "PPP filtering"
  555. depends on PPP
  556. help
  557. Say Y here if you want to be able to filter the packets passing over
  558. PPP interfaces. This allows you to control which packets count as
  559. activity (i.e. which packets will reset the idle timer or bring up
  560. a demand-dialed link) and which packets are to be dropped entirely.
  561. You need to say Y here if you wish to use the pass-filter and
  562. active-filter options to pppd.
  563. If unsure, say N.
  564. config PPP_ASYNC
  565. tristate "PPP support for async serial ports"
  566. depends on PPP
  567. select CRC_CCITT
  568. ---help---
  569. Say Y (or M) here if you want to be able to use PPP over standard
  570. asynchronous serial ports, such as COM1 or COM2 on a PC. If you use
  571. a modem (not a synchronous or ISDN modem) to contact your ISP, you
  572. need this option.
  573. To compile this driver as a module, choose M here.
  574. If unsure, say Y.
  575. config PPP_SYNC_TTY
  576. tristate "PPP support for sync tty ports"
  577. depends on PPP
  578. help
  579. Say Y (or M) here if you want to be able to use PPP over synchronous
  580. (HDLC) tty devices, such as the SyncLink adapter. These devices
  581. are often used for high-speed leased lines like T1/E1.
  582. To compile this driver as a module, choose M here.
  583. config PPP_DEFLATE
  584. tristate "PPP Deflate compression"
  585. depends on PPP
  586. select ZLIB_INFLATE
  587. select ZLIB_DEFLATE
  588. ---help---
  589. Support for the Deflate compression method for PPP, which uses the
  590. Deflate algorithm (the same algorithm that gzip uses) to compress
  591. each PPP packet before it is sent over the wire. The machine at the
  592. other end of the PPP link (usually your ISP) has to support the
  593. Deflate compression method as well for this to be useful. Even if
  594. they don't support it, it is safe to say Y here.
  595. To compile this driver as a module, choose M here.
  596. config PPP_BSDCOMP
  597. tristate "PPP BSD-Compress compression"
  598. depends on PPP
  599. ---help---
  600. Support for the BSD-Compress compression method for PPP, which uses
  601. the LZW compression method to compress each PPP packet before it is
  602. sent over the wire. The machine at the other end of the PPP link
  603. (usually your ISP) has to support the BSD-Compress compression
  604. method as well for this to be useful. Even if they don't support it,
  605. it is safe to say Y here.
  606. The PPP Deflate compression method ("PPP Deflate compression",
  607. above) is preferable to BSD-Compress, because it compresses better
  608. and is patent-free.
  609. Note that the BSD compression code will always be compiled as a
  610. module; it is called bsd_comp and will show up in the directory
  611. modules once you have said "make modules". If unsure, say N.
  612. config PPP_MPPE
  613. tristate "PPP MPPE compression (encryption) (EXPERIMENTAL)"
  614. depends on PPP && EXPERIMENTAL
  615. select CRYPTO
  616. select CRYPTO_SHA1
  617. select CRYPTO_ARC4
  618. select CRYPTO_ECB
  619. ---help---
  620. Support for the MPPE Encryption protocol, as employed by the
  621. Microsoft Point-to-Point Tunneling Protocol.
  622. See http://pptpclient.sourceforge.net/ for information on
  623. configuring PPTP clients and servers to utilize this method.
  624. config PPPOE
  625. tristate "PPP over Ethernet (EXPERIMENTAL)"
  626. depends on EXPERIMENTAL && PPP
  627. help
  628. Support for PPP over Ethernet.
  629. This driver requires the latest version of pppd from the CVS
  630. repository at cvs.samba.org. Alternatively, see the
  631. RoaringPenguin package (<http://www.roaringpenguin.com/pppoe>)
  632. which contains instruction on how to use this driver (under
  633. the heading "Kernel mode PPPoE").
  634. config PPTP
  635. tristate "PPP over IPv4 (PPTP) (EXPERIMENTAL)"
  636. depends on EXPERIMENTAL && PPP && NET_IPGRE_DEMUX
  637. help
  638. Support for PPP over IPv4.(Point-to-Point Tunneling Protocol)
  639. This driver requires pppd plugin to work in client mode or
  640. modified pptpd (poptop) to work in server mode.
  641. See http://accel-pptp.sourceforge.net/ for information how to
  642. utilize this module.
  643. config PPPOATM
  644. tristate "PPP over ATM"
  645. depends on ATM && PPP
  646. help
  647. Support PPP (Point to Point Protocol) encapsulated in ATM frames.
  648. This implementation does not yet comply with section 8 of RFC2364,
  649. which can lead to bad results if the ATM peer loses state and
  650. changes its encapsulation unilaterally.
  651. config PPPOL2TP
  652. tristate "PPP over L2TP (EXPERIMENTAL)"
  653. depends on EXPERIMENTAL && L2TP && PPP
  654. help
  655. Support for PPP-over-L2TP socket family. L2TP is a protocol
  656. used by ISPs and enterprises to tunnel PPP traffic over UDP
  657. tunnels. L2TP is replacing PPTP for VPN uses.
  658. config SLIP
  659. tristate "SLIP (serial line) support"
  660. ---help---
  661. Say Y if you intend to use SLIP or CSLIP (compressed SLIP) to
  662. connect to your Internet service provider or to connect to some
  663. other local Unix box or if you want to configure your Linux box as a
  664. Slip/CSlip server for other people to dial in. SLIP (Serial Line
  665. Internet Protocol) is a protocol used to send Internet traffic over
  666. serial connections such as telephone lines or null modem cables;
  667. nowadays, the protocol PPP is more commonly used for this same
  668. purpose.
  669. Normally, your access provider has to support SLIP in order for you
  670. to be able to use it, but there is now a SLIP emulator called SLiRP
  671. around (available from
  672. <ftp://ibiblio.org/pub/Linux/system/network/serial/>) which
  673. allows you to use SLIP over a regular dial up shell connection. If
  674. you plan to use SLiRP, make sure to say Y to CSLIP, below. The
  675. NET-3-HOWTO, available from
  676. <http://www.tldp.org/docs.html#howto>, explains how to
  677. configure SLIP. Note that you don't need this option if you just
  678. want to run term (term is a program which gives you almost full
  679. Internet connectivity if you have a regular dial up shell account on
  680. some Internet connected Unix computer. Read
  681. <http://www.bart.nl/~patrickr/term-howto/Term-HOWTO.html>). SLIP
  682. support will enlarge your kernel by about 4 KB. If unsure, say N.
  683. To compile this driver as a module, choose M here. The module
  684. will be called slip.
  685. config SLIP_COMPRESSED
  686. bool "CSLIP compressed headers"
  687. depends on SLIP
  688. select SLHC
  689. ---help---
  690. This protocol is faster than SLIP because it uses compression on the
  691. TCP/IP headers (not on the data itself), but it has to be supported
  692. on both ends. Ask your access provider if you are not sure and
  693. answer Y, just in case. You will still be able to use plain SLIP. If
  694. you plan to use SLiRP, the SLIP emulator (available from
  695. <ftp://ibiblio.org/pub/Linux/system/network/serial/>) which
  696. allows you to use SLIP over a regular dial up shell connection, you
  697. definitely want to say Y here. The NET-3-HOWTO, available from
  698. <http://www.tldp.org/docs.html#howto>, explains how to configure
  699. CSLIP. This won't enlarge your kernel.
  700. config SLHC
  701. tristate
  702. help
  703. This option enables Van Jacobsen serial line header compression
  704. routines.
  705. config SLIP_SMART
  706. bool "Keepalive and linefill"
  707. depends on SLIP
  708. help
  709. Adds additional capabilities to the SLIP driver to support the
  710. RELCOM line fill and keepalive monitoring. Ideal on poor quality
  711. analogue lines.
  712. config SLIP_MODE_SLIP6
  713. bool "Six bit SLIP encapsulation"
  714. depends on SLIP
  715. help
  716. Just occasionally you may need to run IP over hostile serial
  717. networks that don't pass all control characters or are only seven
  718. bit. Saying Y here adds an extra mode you can use with SLIP:
  719. "slip6". In this mode, SLIP will only send normal ASCII symbols over
  720. the serial device. Naturally, this has to be supported at the other
  721. end of the link as well. It's good enough, for example, to run IP
  722. over the async ports of a Camtec JNT Pad. If unsure, say N.
  723. config NET_FC
  724. bool "Fibre Channel driver support"
  725. depends on SCSI && PCI
  726. help
  727. Fibre Channel is a high speed serial protocol mainly used to connect
  728. large storage devices to the computer; it is compatible with and
  729. intended to replace SCSI.
  730. If you intend to use Fibre Channel, you need to have a Fibre channel
  731. adaptor card in your computer; say Y here and to the driver for your
  732. adaptor below. You also should have said Y to "SCSI support" and
  733. "SCSI generic support".
  734. config NETCONSOLE
  735. tristate "Network console logging support"
  736. ---help---
  737. If you want to log kernel messages over the network, enable this.
  738. See <file:Documentation/networking/netconsole.txt> for details.
  739. config NETCONSOLE_DYNAMIC
  740. bool "Dynamic reconfiguration of logging targets"
  741. depends on NETCONSOLE && SYSFS && CONFIGFS_FS && \
  742. !(NETCONSOLE=y && CONFIGFS_FS=m)
  743. help
  744. This option enables the ability to dynamically reconfigure target
  745. parameters (interface, IP addresses, port numbers, MAC addresses)
  746. at runtime through a userspace interface exported using configfs.
  747. See <file:Documentation/networking/netconsole.txt> for details.
  748. config NETPOLL
  749. def_bool NETCONSOLE
  750. config NETPOLL_TRAP
  751. bool "Netpoll traffic trapping"
  752. default n
  753. depends on NETPOLL
  754. config NET_POLL_CONTROLLER
  755. def_bool NETPOLL
  756. config VIRTIO_NET
  757. tristate "Virtio network driver (EXPERIMENTAL)"
  758. depends on EXPERIMENTAL && VIRTIO
  759. ---help---
  760. This is the virtual network driver for virtio. It can be used with
  761. lguest or QEMU based VMMs (like KVM or Xen). Say Y or M.
  762. config VMXNET3
  763. tristate "VMware VMXNET3 ethernet driver"
  764. depends on PCI && INET
  765. help
  766. This driver supports VMware's vmxnet3 virtual ethernet NIC.
  767. To compile this driver as a module, choose M here: the
  768. module will be called vmxnet3.
  769. endif # NETDEVICES