GENERIC_TINY revision 1.104
1# $NetBSD: GENERIC_TINY,v 1.104 2007/04/26 17:11:35 dyoung 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 90#options 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#file-system PTYFS # /dev/pts/N support 115#file-system TMPFS # Efficient memory file-system 116 117# File system options 118#options QUOTA # UFS quotas 119#options FFS_EI # FFS Endian Independant support 120#options NFSSERVER # Network File System server 121options FFS_NO_SNAPSHOT # No FF snapshot support 122#options EXT2FS_SYSTEM_FLAGS # makes ext2fs file flags (append and 123 # immutable) behave as system flags. 124 125# Networking options 126#options GATEWAY # packet forwarding 127options INET # IP + ICMP + TCP + UDP 128#options MROUTING # IP multicast routing 129#options PIM # Protocol Independent Multicast 130#options ISO,TPIP # OSI 131#options EON # OSI tunneling over IP 132#options NETATALK # AppleTalk networking protocols 133#options PPP_BSDCOMP # BSD-Compress compression support for PPP 134#options PPP_DEFLATE # Deflate compression support for PPP 135#options PPP_FILTER # Active filter support for PPP (requires bpf) 136#options PFIL_HOOKS # pfil(9) packet filter hooks 137#options IPFILTER_LOG # ipmon(8) log support 138#options IPFILTER_LOOKUP # ippool(8) support 139#options IPFILTER_DEFAULT_BLOCK # block all packets by default 140#options TCP_DEBUG # Record last TCP_NDEBUG packets with SO_DEBUG 141 142#options ALTQ # Manipulate network interfaces' output queues 143#options ALTQ_BLUE # Stochastic Fair Blue 144#options ALTQ_CBQ # Class-Based Queueing 145#options ALTQ_CDNR # Diffserv Traffic Conditioner 146#options ALTQ_FIFOQ # First-In First-Out Queue 147#options ALTQ_FLOWVALVE # RED/flow-valve (red-penalty-box) 148#options ALTQ_HFSC # Hierarchical Fair Service Curve 149#options ALTQ_LOCALQ # Local queueing discipline 150#options ALTQ_PRIQ # Priority Queueing 151#options ALTQ_RED # Random Early Detection 152#options ALTQ_RIO # RED with IN/OUT 153#options ALTQ_WFQ # Weighted Fair Queueing 154 155# These options enable verbose messages for several subsystems. 156# Warning, these may compile large string tables into the kernel! 157#options EISAVERBOSE # verbose EISA device autoconfig messages 158#options PCIVERBOSE # verbose PCI device autoconfig messages 159#options PCI_CONFIG_DUMP # verbosely dump PCI config space 160#options PCMCIAVERBOSE # verbose PCMCIA configuration messages 161#options SCSIVERBOSE # human readable SCSI error messages 162#options USBVERBOSE # verbose USB device autoconfig messages 163 164#options NFS_BOOT_BOOTP,NFS_BOOT_BOOTPARAM 165 166# Kernel root file system and dump configuration. 167config netbsd root on ? type ? 168#config netbsd root on sd0a type ffs 169#config netbsd root on ? type nfs 170 171# 172# wscons options 173# 174# builtin terminal emulations 175#options WSEMUL_SUN # sun terminal emulation 176options WSEMUL_VT100 # VT100 / VT220 emulation 177# customization of console and kernel output - see dev/wscons/wsdisplayvar.h 178#options WSDISPLAY_CUSTOM_OUTPUT # color customization from wsconsctl(8) 179#options WS_DEFAULT_FG=WSCOL_WHITE 180#options WS_DEFAULT_BG=WSCOL_BLACK 181#options WS_DEFAULT_COLATTR="(0)" 182#options WS_DEFAULT_MONOATTR="(0)" 183options WS_KERNEL_FG=WSCOL_GREEN 184#options WS_KERNEL_BG=WSCOL_BLACK 185#options WS_KERNEL_COLATTR="" 186#options WS_KERNEL_MONOATTR="" 187# customization of console border color 188#options WSDISPLAY_CUSTOM_BORDER # border customization from wsconsctl(8) 189#options WSDISPLAY_BORDER_COLOR=WSCOL_BLUE # default color 190# compatibility to other console drivers 191options WSDISPLAY_COMPAT_PCVT # emulate some ioctls 192options WSDISPLAY_COMPAT_SYSCONS # emulate some ioctls 193options WSDISPLAY_COMPAT_USL # VT handling 194options WSDISPLAY_COMPAT_RAWKBD # can get raw scancodes 195# see dev/pckbport/wskbdmap_mfii.c for implemented layouts 196#options PCKBD_LAYOUT="(KB_DE | KB_NODEAD)" # for pckbd driver 197#options UKBD_LAYOUT="(KB_DE | KB_NODEAD)" # for ukbd driver 198# allocate a number of virtual screens at autoconfiguration time 199#options WSDISPLAY_DEFAULTSCREENS=4 200# use a large software cursor that doesn't blink 201options PCDISPLAY_SOFTCURSOR 202 203# 204# Device configuration 205# 206 207mainbus0 at root 208 209cpu0 at mainbus0 210 211#apm0 at mainbus0 # Advanced power management 212 213 214# Basic Bus Support 215 216# PCI bus support 217#pci* at mainbus? bus ? 218#pci* at pchb? bus ? 219#pci* at ppb? bus ? 220 221# PCI bridges 222#pchb* at pci? dev ? function ? # PCI-Host bridges 223#pceb* at pci? dev ? function ? # PCI-EISA bridges 224#pcib* at pci? dev ? function ? # PCI-ISA bridges 225#ichlpcib* at pci? dev ? function ? # Intel ICH PCI-ISA w/ watchdog and 226 # SpeedStep support 227#ppb* at pci? dev ? function ? # PCI-PCI bridges 228# XXX 'puc's aren't really bridges, but there's no better place for them here 229#puc* at pci? dev ? function ? # PCI "universal" comm. cards 230 231# EISA bus support 232#eisa0 at mainbus? 233#eisa0 at pceb? 234 235# ISA bus support 236isa0 at mainbus? 237#isa0 at pceb? 238#isa0 at pcib? 239#isa0 at ichlpcib? 240 241# PCMCIA bus support 242pcmcia* at pcic? controller ? socket ? 243 244# ISA PCMCIA controllers 245pcic0 at isa? port 0x3e0 iomem 0xd0000 iosiz 0x4000 246pcic1 at isa? port 0x3e2 iomem 0xd4000 iosiz 0x4000 247 248# ISA Plug-and-Play bus support 249#isapnp0 at isa? 250 251# ISA Plug-and-Play PCMCIA controllers 252#pcic* at isapnp? 253 254# Coprocessor Support 255 256# Math Coprocessor support 257npx0 at isa? port 0xf0 irq 13 # x86 math coprocessor 258 259# Console Devices 260 261# ISA console 262#pc0 at isa? port 0x60 irq 1 # pccons generic PC console driver 263 264# wscons 265pckbc0 at isa? # pc keyboard controller 266pckbd* at pckbc? # PC keyboard 267#pms* at pckbc? # PS/2 mouse for wsmouse 268vga0 at isa? 269#vga* at pci? dev ? function ? 270pcdisplay0 at isa? # CGA, MDA, EGA, HGA 271wsdisplay* at vga? console ? 272wsdisplay* at pcdisplay? console ? 273wskbd* at pckbd? console ? 274#wsmouse* at pms? mux 0 275 276 277#attimer0 at isa? 278#pcppi0 at isa? 279#sysbeep0 at pcppi? 280 281# Serial Devices 282 283# PCI serial interfaces 284#com* at puc? port ? # 16x50s on "universal" comm boards 285#cy* at pci? dev ? function ? # Cyclades Cyclom-Y serial boards 286 287# ISA Plug-and-Play serial interfaces 288#com* at isapnp? # Modems and serial boards 289 290# PCMCIA serial interfaces 291com* at pcmcia? function ? # Modems and serial cards 292 293# ISA serial interfaces 294#options COM_HAYESP # adds Hayes ESP serial board support 295com0 at isa? port 0x3f8 irq 4 # Standard PC serial ports 296com1 at isa? port 0x2f8 irq 3 297com2 at isa? port 0x3e8 irq 5 298#com3 at isa? port 0x2e8 irq 9 299#ast0 at isa? port 0x1a0 irq 5 # AST 4-port serial cards 300#com* at ast? slave ? 301#boca0 at isa? port 0x100 irq 5 # BOCA 8-port serial cards 302#com* at boca? slave ? 303#rtfps0 at isa? port 0x1230 irq 10 # RT 4-port serial cards 304#com* at rtfps? slave ? 305#cy0 at isa? iomem 0xd4000 irq 12 # Cyclades serial cards 306 307 308# Parallel Printer Interfaces 309 310# PCI parallel printer interfaces 311#lpt* at puc? port ? # || ports on "universal" comm boards 312 313# ISA parallel printer interfaces 314lpt0 at isa? port 0x378 irq 7 # standard PC parallel ports 315#lpt1 at isa? port 0x278 316#lpt2 at isa? port 0x3bc 317 318 319# SCSI Controllers and Devices 320 321# PCI SCSI controllers 322#ahc* at pci? dev ? function ? # Adaptec [23]94x, aic78x0 SCSI 323#dpt* at pci? dev ? function ? # DPT SmartCache/SmartRAID 324#bha* at pci? dev ? function ? # BusLogic 9xx SCSI 325#isp* at pci? dev ? function ? # Qlogic ISP [12]0x0 SCSI/FibreChannel 326#siop* at pci? dev ? function ? # NCR 53c8xx SCSI 327#esiop* at pci? dev ? function ? # NCR 53c875 SCSI and newer 328#options SIOP_SYMLED # drive the act. LED in software 329 330# EISA SCSI controllers 331#ahb* at eisa? slot ? # Adaptec 174[02] SCSI 332#ahc* at eisa? slot ? # Adaptec 274x, aic7770 SCSI 333#bha* at eisa? slot ? # BusLogic 7xx SCSI 334#dpt* at eisa? slot ? # DPT SmartCache/SmartRAID 335#uha* at eisa? slot ? # UltraStor 24f SCSI 336 337# PCMCIA SCSI controllers 338#aic* at pcmcia? function ? # Adaptec APA-1460 SCSI 339 340# ISA Plug-and-Play SCSI controllers 341#aic* at isapnp? # Adaptec AHA-1520B 342 343# ISA SCSI controllers 344#aha0 at isa? port 0x330 irq ? drq ? # Adaptec 154[02] SCSI 345#aha1 at isa? port 0x334 irq ? drq ? 346#ahc0 at isa? port ? irq ? # Adaptec 284x SCSI 347#aic0 at isa? port 0x340 irq 11 # Adaptec 152[02] SCSI 348#bha0 at isa? port 0x330 irq ? drq ? # BusLogic [457]4X SCSI 349#bha1 at isa? port 0x334 irq ? drq ? 350#sea0 at isa? iomem 0xc8000 irq 5 # Seagate/Future Domain SCSI 351#uha0 at isa? port 0x330 irq ? drq ? # UltraStor [13]4f SCSI 352#uha1 at isa? port 0x340 irq ? drq ? 353#wds0 at isa? port 0x350 irq 15 drq 6 # WD7000 and TMC-7000 controllers 354#wds1 at isa? port 0x358 irq 11 drq 5 355 356# SCSI bus support 357#scsibus* at scsi? 358 359# SCSI devices 360#sd* at scsibus? target ? lun ? # SCSI disk drives 361#st* at scsibus? target ? lun ? # SCSI tape drives 362#cd* at scsibus? target ? lun ? # SCSI CD-ROM drives 363#ch* at scsibus? target ? lun ? # SCSI autochangers 364#ss* at scsibus? target ? lun ? # SCSI scanners 365#uk* at scsibus? target ? lun ? # SCSI unknown 366 367 368# IDE and related devices 369 370# ISA Plug-and-Play IDE controllers 371#wdc* at isapnp? 372 373# PCMCIA IDE controllers 374wdc* at pcmcia? function ? 375 376# ISA IDE controllers 377wdc0 at isa? port 0x1f0 irq 14 # ST506, ESDI, and IDE controllers 378wdc1 at isa? port 0x170 irq 15 379 380# ATA (IDE) bus support 381atabus* at ata? 382#options ATADEBUG 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-SA[23] 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 # disk-like interface to files 568#options VND_COMPRESSION # compressed vnd(4) 569 570# network pseudo-devices 571pseudo-device bpfilter # 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 # Point-to-Point Protocol 576pseudo-device pppoe # PPP over Ethernet (RFC 2516) 577#pseudo-device sl # Serial Line IP 578#pseudo-device strip # Starmode Radio IP (Metricom) 579pseudo-device tun # network tunneling over tty 580#pseudo-device tap # virtual Ethernet 581 582# miscellaneous pseudo-devices 583pseudo-device pty # pseudo-terminals 584pseudo-device rnd # /dev/random and in-kernel generator 585#options RND_COM # use "com" randomness as well (BROKEN) 586pseudo-device clockctl # user control of clock subsystem 587