GENERIC_TINY revision 1.90
1# $NetBSD: GENERIC_TINY,v 1.90 2005/08/19 02:03:52 christos Exp $ 2# 3# GENERIC_TINY -- suitable default for 4M machines 4# No EISA, PCI, or SCSI. 5# 6 7include "arch/i386/conf/std.i386" 8 9#options INCLUDE_CONFIG_FILE # embed config file in kernel binary 10 11makeoptions COPTS="-Os" 12 13maxusers 8 # estimated number of users 14 15# CPU support. At least one is REQUIRED. 16options I386_CPU 17options I486_CPU 18options I586_CPU 19options I686_CPU 20 21# CPU-related options. 22options MATH_EMULATE # floating point emulation 23#options VM86 # virtual 8086 emulation 24#options USER_LDT # user-settable LDT; used by WINE 25# insert delay no-ops in interrupts; recommended on very old machines 26options PIC_DELAY 27 28# This option allows you to force a serial console at the specified 29# I/O address. see console(4) for details. 30#options CONSDEVNAME="\"com\"" 31 32# The following options override the memory sizes passed in from the boot 33# block. Use them *only* if the boot block is unable to determine the correct 34# values. Note that the BIOS may *correctly* report less than 640k of base 35# memory if the extended BIOS data area is located at the top of base memory 36# (as is the case on most recent systems). 37#options REALBASEMEM=... # size of base memory 38#options REALEXTMEM=... # size of extended memory 39 40# Save a physical page per process by not setting a kernel stack red zone. 41options NOREDZONE 42 43# Standard system options 44 45options INSECURE # disable kernel security levels - X needs this 46 47options RTC_OFFSET=0 # hardware clock is this many mins. west of GMT 48#options NTP # NTP phase/frequency locked loop 49 50#options KTRACE # system call tracing via ktrace(1) 51 52#options SYSVMSG # System V-like message queues 53#options SYSVSEM # System V-like semaphores 54#options SYSVSHM # System V-like memory sharing 55#options SHMMAXPGS=2048 # 2048 pages is the default 56#options P1003_1B_SEMAPHORE # p1003.1b semaphore support 57 58options NMBCLUSTERS=256 59 60#options LKM # loadable kernel modules 61 62#options USERCONF # userconf(4) support 63options PIPE_SOCKETPAIR # smaller, but slower pipe(2) 64#options SYSCTL_INCLUDE_DESCR # Include sysctl descriptions in kernel 65 66# Diagnostic/debugging support options 67#options DIAGNOSTIC # expensive kernel consistency checks 68#options DEBUG # expensive debugging checks/support 69#options KMEMSTATS # kernel memory statistics (vmstat -m) 70#options DDB # in-kernel debugger 71#options DDB_ONPANIC=1 # see also sysctl(8): `ddb.onpanic' 72#options DDB_HISTORY_SIZE=512 # enable history editing in DDB 73#options KGDB # remote debugger 74#options KGDB_DEVNAME="\"com\"",KGDB_DEVADDR=0x3f8,KGDB_DEVRATE=9600 75#makeoptions DEBUG="-g" # compile full symbol table 76 77# Compatibility options 78#options COMPAT_NOMID # NetBSD 0.8, 386BSD, and BSDI 79#options COMPAT_09 # NetBSD 0.9 80#options COMPAT_10 # NetBSD 1.0 81#options COMPAT_11 # NetBSD 1.1 82options COMPAT_12 # NetBSD 1.2, 386BSD, and BSDI 83options COMPAT_13 # NetBSD 1.3, 386BSD, and BSDI 84options COMPAT_14 # NetBSD 1.4 85options COMPAT_15 # NetBSD 1.5 86options COMPAT_16 # NetBSD 1.6 87options COMPAT_20 # NetBSD 2.0 88options COMPAT_30 # NetBSD 3.0 compatibility. 89options COMPAT_43 # 4.3BSD, 386BSD, and BSDI 90options COMPAT_386BSD_MBRPART # recognize old partition ID 91#options TCP_COMPAT_42 # 4.2BSD TCP/IP bug compat. Not recommended. 92 93#options COMPAT_SVR4 # binary compatibility with SVR4 94#options COMPAT_IBCS2 # binary compatibility with SCO and ISC 95#options COMPAT_LINUX # binary compatibility with Linux 96#options COMPAT_FREEBSD # binary compatibility with FreeBSD 97options COMPAT_BSDPTY # /dev/[pt]ty?? ptys. 98 99# File systems 100file-system FFS # UFS 101#file-system EXT2FS # second extended file system (linux) 102#file-system LFS # log-structured file system 103#file-system MFS # memory file system 104file-system NFS # Network File System client 105file-system CD9660 # ISO 9660 + Rock Ridge file system 106file-system MSDOSFS # MS-DOS file system 107#file-system FDESC # /dev/fd 108file-system KERNFS # /kern 109#file-system NULLFS # loopback file system 110#file-system PORTAL # portal filesystem (still experimental) 111#file-system PROCFS # /proc 112#file-system UMAPFS # NULLFS + uid and gid remapping 113#file-system UNION # union file system 114 115# File system options 116#options QUOTA # UFS quotas 117#options FFS_EI # FFS Endian Independant support 118#options NFSSERVER # Network File System server 119options FFS_NO_SNAPSHOT # ffs snapshots 120#options EXT2FS_SYSTEM_FLAGS # makes ext2fs file flags (append and 121 # immutable) behave as system flags. 122options VNODE_OP_NOINLINE # don't inline vnode op calls 123 124# Networking options 125#options GATEWAY # packet forwarding 126options INET # IP + ICMP + TCP + UDP 127#options MROUTING # IP multicast routing 128#options PIM # Protocol Independent Multicast 129#options NS # XNS 130#options NSIP # XNS tunneling over IP 131#options ISO,TPIP # OSI 132#options EON # OSI tunneling over IP 133#options CCITT,LLC,HDLC # X.25 134#options NETATALK # AppleTalk networking protocols 135#options PPP_BSDCOMP # BSD-Compress compression support for PPP 136#options PPP_DEFLATE # Deflate compression support for PPP 137#options PPP_FILTER # Active filter support for PPP (requires bpf) 138#options PFIL_HOOKS # pfil(9) packet filter hooks 139#options IPFILTER_LOG # ipmon(8) log support 140#options IPFILTER_DEFAULT_BLOCK # block all packets by default 141#options TCP_DEBUG # Record last TCP_NDEBUG packets with SO_DEBUG 142 143#options ALTQ # Manipulate network interfaces' output queues 144#options ALTQ_BLUE # Stochastic Fair Blue 145#options ALTQ_CBQ # Class-Based Queueing 146#options ALTQ_CDNR # Diffserv Traffic Conditioner 147#options ALTQ_FIFOQ # First-In First-Out Queue 148#options ALTQ_FLOWVALVE # RED/flow-valve (red-penalty-box) 149#options ALTQ_HFSC # Hierarchical Fair Service Curve 150#options ALTQ_LOCALQ # Local queueing discipline 151#options ALTQ_PRIQ # Priority Queueing 152#options ALTQ_RED # Random Early Detection 153#options ALTQ_RIO # RED with IN/OUT 154#options ALTQ_WFQ # Weighted Fair Queueing 155 156# These options enable verbose messages for several subsystems. 157# Warning, these may compile large string tables into the kernel! 158#options EISAVERBOSE # verbose EISA device autoconfig messages 159#options PCIVERBOSE # verbose PCI device autoconfig messages 160#options PCI_CONFIG_DUMP # verbosely dump PCI config space 161#options PCMCIAVERBOSE # verbose PCMCIA configuration messages 162#options SCSIVERBOSE # human readable SCSI error messages 163#options USBVERBOSE # verbose USB device autoconfig messages 164 165#options NFS_BOOT_BOOTP,NFS_BOOT_BOOTPARAM 166 167# Kernel root file system and dump configuration. 168config netbsd root on ? type ? 169#config netbsd root on sd0a type ffs 170#config netbsd root on ? type nfs 171 172# 173# wscons options 174# 175# builtin terminal emulations 176#options WSEMUL_SUN # sun terminal emulation 177options WSEMUL_VT100 # VT100 / VT220 emulation 178# customization of console and kernel output - see dev/wscons/wsdisplayvar.h 179#options WSDISPLAY_CUSTOM_OUTPUT # color customization from wsconsctl(8) 180#options WS_DEFAULT_FG=WSCOL_WHITE 181#options WS_DEFAULT_BG=WSCOL_BLACK 182#options WS_DEFAULT_COLATTR="(0)" 183#options WS_DEFAULT_MONOATTR="(0)" 184options WS_KERNEL_FG=WSCOL_GREEN 185#options WS_KERNEL_BG=WSCOL_BLACK 186#options WS_KERNEL_COLATTR="" 187#options WS_KERNEL_MONOATTR="" 188# customization of console border color 189#options WSDISPLAY_CUSTOM_BORDER # border customization from wsconsctl(8) 190#options WSDISPLAY_BORDER_COLOR=WSCOL_BLUE # default color 191# compatibility to other console drivers 192options WSDISPLAY_COMPAT_PCVT # emulate some ioctls 193options WSDISPLAY_COMPAT_SYSCONS # emulate some ioctls 194options WSDISPLAY_COMPAT_USL # VT handling 195options WSDISPLAY_COMPAT_RAWKBD # can get raw scancodes 196# see dev/pckbc/wskbdmap_mfii.c for implemented layouts 197#options PCKBD_LAYOUT="(KB_DE | KB_NODEAD)" # for pckbd driver 198#options UKBD_LAYOUT="(KB_DE | KB_NODEAD)" # for ukbd driver 199# allocate a number of virtual screens at autoconfiguration time 200#options WSDISPLAY_DEFAULTSCREENS=4 201# use a large software cursor that doesn't blink 202options PCDISPLAY_SOFTCURSOR 203 204# 205# Device configuration 206# 207 208mainbus0 at root 209 210cpu0 at mainbus0 211 212#apm0 at mainbus0 # Advanced power management 213 214 215# Basic Bus Support 216 217# PCI bus support 218#pci* at mainbus? bus ? 219#pci* at pchb? bus ? 220#pci* at ppb? bus ? 221 222# PCI bridges 223#pchb* at pci? dev ? function ? # PCI-Host bridges 224#pceb* at pci? dev ? function ? # PCI-EISA bridges 225#pcib* at pci? dev ? function ? # PCI-ISA bridges 226#ichlpcib* at pci? dev ? function ? # Intel ICH PCI-ISA w/ watchdog and 227 # SpeedStep support 228#ppb* at pci? dev ? function ? # PCI-PCI bridges 229# XXX 'puc's aren't really bridges, but there's no better place for them here 230#puc* at pci? dev ? function ? # PCI "universal" comm. cards 231 232# EISA bus support 233#eisa0 at mainbus? 234#eisa0 at pceb? 235 236# ISA bus support 237isa0 at mainbus? 238#isa0 at pceb? 239#isa0 at pcib? 240#isa0 at ichlpcib? 241 242# PCMCIA bus support 243pcmcia* at pcic? controller ? socket ? 244 245# ISA PCMCIA controllers 246pcic0 at isa? port 0x3e0 iomem 0xd0000 iosiz 0x4000 247pcic1 at isa? port 0x3e2 iomem 0xd4000 iosiz 0x4000 248 249# ISA Plug-and-Play bus support 250#isapnp0 at isa? 251 252# ISA Plug-and-Play PCMCIA controllers 253#pcic* at isapnp? 254 255# Coprocessor Support 256 257# Math Coprocessor support 258npx0 at isa? port 0xf0 irq 13 # x86 math coprocessor 259 260# Console Devices 261 262# ISA console 263#pc0 at isa? port 0x60 irq 1 # pccons generic PC console driver 264 265# wscons 266pckbc0 at isa? # pc keyboard controller 267pckbd* at pckbc? # PC keyboard 268#pms* at pckbc? # PS/2 mouse for wsmouse 269vga0 at isa? 270#vga* at pci? dev ? function ? 271pcdisplay0 at isa? # CGA, MDA, EGA, HGA 272wsdisplay* at vga? console ? 273wsdisplay* at pcdisplay? console ? 274wskbd* at pckbd? console ? 275#wsmouse* at pms? mux 0 276 277 278#attimer0 at isa? 279#pcppi0 at isa? 280#sysbeep0 at pcppi? 281 282# Serial Devices 283 284# PCI serial interfaces 285#com* at puc? port ? # 16x50s on "universal" comm boards 286#cy* at pci? dev ? function ? # Cyclades Cyclom-Y serial boards 287 288# ISA Plug-and-Play serial interfaces 289#com* at isapnp? # Modems and serial boards 290 291# PCMCIA serial interfaces 292com* at pcmcia? function ? # Modems and serial cards 293 294# ISA serial interfaces 295#options COM_HAYESP # adds Hayes ESP serial board support 296com0 at isa? port 0x3f8 irq 4 # Standard PC serial ports 297com1 at isa? port 0x2f8 irq 3 298com2 at isa? port 0x3e8 irq 5 299#com3 at isa? port 0x2e8 irq 9 300#ast0 at isa? port 0x1a0 irq 5 # AST 4-port serial cards 301#com* at ast? slave ? 302#boca0 at isa? port 0x100 irq 5 # BOCA 8-port serial cards 303#com* at boca? slave ? 304#rtfps0 at isa? port 0x1230 irq 10 # RT 4-port serial cards 305#com* at rtfps? slave ? 306#cy0 at isa? iomem 0xd4000 irq 12 # Cyclades serial cards 307 308 309# Parallel Printer Interfaces 310 311# PCI parallel printer interfaces 312#lpt* at puc? port ? # || ports on "universal" comm boards 313 314# ISA parallel printer interfaces 315lpt0 at isa? port 0x378 irq 7 # standard PC parallel ports 316#lpt1 at isa? port 0x278 317#lpt2 at isa? port 0x3bc 318 319 320# SCSI Controllers and Devices 321 322# PCI SCSI controllers 323#ahc* at pci? dev ? function ? # Adaptec [23]94x, aic78x0 SCSI 324#dpt* at pci? dev ? function ? # DPT SmartCache/SmartRAID 325#bha* at pci? dev ? function ? # BusLogic 9xx SCSI 326#isp* at pci? dev ? function ? # Qlogic ISP [12]0x0 SCSI/FibreChannel 327#siop* at pci? dev ? function ? # NCR 53c8xx SCSI 328#esiop* at pci? dev ? function ? # NCR 53c875 SCSI and newer 329#options SIOP_SYMLED # drive the act. LED in software 330 331# EISA SCSI controllers 332#ahb* at eisa? slot ? # Adaptec 174[02] SCSI 333#ahc* at eisa? slot ? # Adaptec 274x, aic7770 SCSI 334#bha* at eisa? slot ? # BusLogic 7xx SCSI 335#dpt* at eisa? slot ? # DPT SmartCache/SmartRAID 336#uha* at eisa? slot ? # UltraStor 24f SCSI 337 338# PCMCIA SCSI controllers 339#aic* at pcmcia? function ? # Adaptec APA-1460 SCSI 340 341# ISA Plug-and-Play SCSI controllers 342#aic* at isapnp? # Adaptec AHA-1520B 343 344# ISA SCSI controllers 345#aha0 at isa? port 0x330 irq ? drq ? # Adaptec 154[02] SCSI 346#aha1 at isa? port 0x334 irq ? drq ? 347#ahc0 at isa? port ? irq ? # Adaptec 284x SCSI 348#aic0 at isa? port 0x340 irq 11 # Adaptec 152[02] SCSI 349#bha0 at isa? port 0x330 irq ? drq ? # BusLogic [457]4X SCSI 350#bha1 at isa? port 0x334 irq ? drq ? 351#sea0 at isa? iomem 0xc8000 irq 5 # Seagate/Future Domain SCSI 352#uha0 at isa? port 0x330 irq ? drq ? # UltraStor [13]4f SCSI 353#uha1 at isa? port 0x340 irq ? drq ? 354#wds0 at isa? port 0x350 irq 15 drq 6 # WD7000 and TMC-7000 controllers 355#wds1 at isa? port 0x358 irq 11 drq 5 356 357# SCSI bus support 358#scsibus* at scsi? 359 360# SCSI devices 361#sd* at scsibus? target ? lun ? # SCSI disk drives 362#st* at scsibus? target ? lun ? # SCSI tape drives 363#cd* at scsibus? target ? lun ? # SCSI CD-ROM drives 364#ch* at scsibus? target ? lun ? # SCSI autochangers 365#ss* at scsibus? target ? lun ? # SCSI scanners 366#uk* at scsibus? target ? lun ? # SCSI unknown 367 368 369# IDE and related devices 370 371# ISA Plug-and-Play IDE controllers 372#wdc* at isapnp? 373 374# PCMCIA IDE controllers 375wdc* at pcmcia? function ? 376 377# ISA IDE controllers 378wdc0 at isa? port 0x1f0 irq 14 # ST506, ESDI, and IDE controllers 379wdc1 at isa? port 0x170 irq 15 380 381# ATA (IDE) bus support 382atabus* at ata? 383 384# IDE drives 385wd* at atabus? drive ? # the drives themselves 386 387# ATAPI bus support 388atapibus* at atapi? 389 390# ATAPI devices 391cd* at atapibus? drive ? # ATAPI CD-ROM drives 392sd* at atapibus? drive ? # ATAPI disk drives 393 394 395# Miscellaneous mass storage devices 396 397# ISA floppy 398fdc0 at isa? port 0x3f0 irq 6 drq 2 # standard PC floppy controllers 399#fdc1 at isa? port 0x370 irq ? drq ? 400fd* at fdc? drive ? # the drives themselves 401# some machines need you to do this instead of fd* 402#fd0 at fdc0 drive 0 403 404# ISA CD-ROM devices 405#mcd0 at isa? port 0x300 irq 10 # Mitsumi CD-ROM drives 406 407# ISA tape devices 408# note: the wt driver conflicts unpleasantly with SMC boards at the 409# same I/O address. The probe reprograms their EEPROMs. Don't 410# uncomment it unless you are actually using it. 411#wt0 at isa? port 0x308 irq 5 drq 1 # Archive and Wangtek QIC tape drives 412 413 414# Network Interfaces 415 416# PCI network interfaces 417#en* at pci? dev ? function ? # ENI/Adaptec ATM 418#ep* at pci? dev ? function ? # 3Com 3c59x/3c90x Ethernet 419#epic* at pci? dev ? function ? # SMC EPIC/100 Ethernet 420#esh* at pci? dev ? function ? # Essential HIPPI card 421#fpa* at pci? dev ? function ? # DEC DEFPA FDDI 422#fxp* at pci? dev ? function ? # Intel EtherExpress PRO 10+/100B 423#le* at pci? dev ? function ? # PCnet-PCI Ethernet 424#ne* at pci? dev ? function ? # NE2000-compatible Ethernet 425#tl* at pci? dev ? function ? # ThunderLAN-based Ethernet 426#tlp* at pci? dev ? function ? # DECchip 21x4x and clones 427 428# EISA network interfaces 429#ep* at eisa? slot ? # 3Com 3c579 Ethernet 430#fea* at eisa? slot ? # DEC DEFEA FDDI 431 432# ISA Plug-and-Play network interfaces 433#ep* at isapnp? # 3Com 3c509 Ethernet 434#ne* at isapnp? # NE2000-compatible Ethernet 435 436# PCMCIA network interfaces 437ep* at pcmcia? function ? # 3Com 3c589 and 3c562 Ethernet 438mbe* at pcmcia? function ? # MB8696x based Ethernet 439ne* at pcmcia? function ? # NE2000-compatible Ethernet 440sm* at pcmcia? function ? # Megahertz Ethernet 441 442# ISA network interfaces 443ate0 at isa? port 0x2a0 irq ? # AT1700 444ec0 at isa? port 0x250 iomem 0xd8000 irq 9 # 3Com 3c503 Ethernet 445eg0 at isa? port 0x280 irq 9 # 3C505 ethernet cards 446el0 at isa? port 0x300 irq 9 # 3C501 ethernet cards 447ep0 at isa? port ? irq ? # 3C509 ethernet cards 448ef0 at isa? port 0x360 iomem 0xd0000 irq 7 # 3C507 449ai0 at isa? port 0x360 iomem 0xd0000 irq 7 # StarLAN 450fmv0 at isa? port 0x2a0 irq ? # FMV-180 series 451ix0 at isa? port 0x300 irq 10 # EtherExpress/16 452iy0 at isa? port 0x360 irq ? # EtherExpress PRO 10 ISA 453lc0 at isa? port 0x320 iomem ? irq ? # DEC EtherWORKS III (LEMAC) 454#depca0 at isa? port 0x300 iomem 0xc8000 iosiz 0x8000 irq 5 # DEPCA 455#le* at depca? 456nele0 at isa? port 0x320 irq 9 drq 7 # NE2100 457le* at nele? 458bicc0 at isa? port 0x320 irq 10 drq 7 # BICC IsoLan 459le* at bicc? 460ne0 at isa? port 0x280 irq 9 # NE[12]000 ethernet cards 461ne1 at isa? port 0x300 irq 10 462sm0 at isa? port 0x300 irq 10 # SMC91C9x Ethernet 463we0 at isa? port 0x280 iomem 0xd0000 irq 9 # WD/SMC Ethernet 464we1 at isa? port 0x300 iomem 0xcc000 irq 10 465 466# MII bus support 467#mii* at tl? 468 469# MII PHY network interfaces 470#tlphy* at mii? dev ? # ThunderLAN PHYs 471#nsphy* at mii? dev ? # NS and compatible PHYs 472#ukphy* at mii? phy ? # generic unknown PHYs 473 474 475# USB Controller and Devices 476 477# PCI USB controllers 478#uhci* at pci? # Universal Host Controller (Intel) 479#ohci* at pci? # Open Host Controller 480 481# USB bus support 482#usb* at uhci? 483#usb* at ohci? 484 485# USB Hubs 486#uhub* at usb? 487#uhub* at uhub? port ? 488 489# USB Mice 490#ums* at uhub? port ? 491 492# USB Keyboards 493#ukbd* at uhub? port ? 494 495# USB Generic HID devices 496#uhid* at uhub? port ? 497 498# USB Printer 499#ulpt* at uhub? port ? 500 501# USB Mass Storage 502#umass* at uhub? port ? configuration ? interface ? 503#wd* at umass? 504 505# USB Ethernet adapters 506#aue* at uhub? port ? # ADMtek AN986 Pegasus based adapters 507#axe* at uhub? port ? # ASIX AX88172 based adapters 508#cue* at uhub? port ? # CATC USB-EL1201A based adapters 509#kue* at uhub? port ? # Kawasaki LSI KL5KUSB101B based adapters 510#url* at uhub? port ? # Realtek RTL8150L based adapters 511 512# Y@P firmware loader 513#uyap* at uhub? port ? 514 515# USB Generic driver 516#ugen* at uhub? port ? 517 518# Audio Devices 519 520# PCI audio devices 521#eap* at pci? dev ? function ? # Ensoniq AudioPCI 522 523# ISA Plug-and-Play audio devices 524#guspnp* at isapnp? # Gravis Ultra Sound PnP audio 525#sb* at isapnp? # SoundBlaster-compatible audio 526#ym* at isapnp? # Yamaha OPL3-SA3 audio 527 528# ISA audio devices 529#aria0 at isa? port 0x290 irq 10 # Aria 530#gus0 at isa? port 0x220 irq 7 drq 1 drq2 6 # Gravis Ultra Sound 531#pas0 at isa? port 0x220 irq 7 drq 1 # ProAudio Spectrum 532#sb0 at isa? port 0x220 irq 5 drq 1 drq2 5 # SoundBlaster 533#wss0 at isa? port 0x530 irq 10 drq 0 drq2 1 # Windows Sound System 534 535# Audio support 536#audio* at audiobus? 537 538# The spkr driver provides a simple tone interface to the built in speaker. 539#spkr0 at pcppi? # PC speaker 540 541 542# Joysticks 543 544# ISA Plug-and-Play joysticks 545#joy* at isapnp? # Game ports (usually on audio cards) 546 547# ISA joysticks. Probe is a little strange; add only if you have one. 548#joy0 at isa? port 0x201 549 550 551# Miscellaneous Devices 552 553# Planetconnect Satellite receiver driver. 554#satlink0 at isa? port 0x300 drq 1 555 556 557# Pull in optional local configuration 558include "arch/i386/conf/GENERIC.local" 559 560 561# Pseudo-Devices 562 563# disk/mass storage pseudo-devices 564#pseudo-device ccd 4 # concatenated/striped disk devices 565pseudo-device fss 4 # file system snapshot device 566#pseudo-device md 1 # memory disk device (ramdisk) 567pseudo-device vnd 4 # disk-like interface to files 568#options VND_COMPRESSION # compressed vnd(4) 569 570# network pseudo-devices 571pseudo-device bpfilter 8 # Berkeley packet filter 572pseudo-device bridge # simple inter-network bridging 573pseudo-device ipfilter # IP filter (firewall) and NAT 574pseudo-device loop # network loopback 575pseudo-device ppp 2 # Point-to-Point Protocol 576pseudo-device pppoe # PPP over Ethernet (RFC 2516) 577#pseudo-device sl 2 # Serial Line IP 578#pseudo-device strip 2 # Starmode Radio IP (Metricom) 579pseudo-device tun 2 # network tunneling over tty 580#pseudo-device tap # virtual Ethernet 581 582# miscellaneous pseudo-devices 583pseudo-device pty # pseudo-terminals 584#pseudo-device tb 1 # tablet line discipline 585pseudo-device rnd # /dev/random and in-kernel generator 586#options RND_COM # use "com" randomness as well (BROKEN) 587pseudo-device clockctl # user control of clock subsystem 588