GENERIC_TINY revision 1.92
1# $NetBSD: GENERIC_TINY,v 1.92 2005/09/10 19:20:49 jmmv 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#file-system PTYFS # /dev/pts/N support 115#file-system TMPFS # experimental - 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 # ffs snapshots 122#options EXT2FS_SYSTEM_FLAGS # makes ext2fs file flags (append and 123 # immutable) behave as system flags. 124options VNODE_OP_NOINLINE # don't inline vnode op calls 125 126# Networking options 127#options GATEWAY # packet forwarding 128options INET # IP + ICMP + TCP + UDP 129#options MROUTING # IP multicast routing 130#options PIM # Protocol Independent Multicast 131#options NS # XNS 132#options NSIP # XNS tunneling over IP 133#options ISO,TPIP # OSI 134#options EON # OSI tunneling over IP 135#options CCITT,LLC,HDLC # X.25 136#options NETATALK # AppleTalk networking protocols 137#options PPP_BSDCOMP # BSD-Compress compression support for PPP 138#options PPP_DEFLATE # Deflate compression support for PPP 139#options PPP_FILTER # Active filter support for PPP (requires bpf) 140#options PFIL_HOOKS # pfil(9) packet filter hooks 141#options IPFILTER_LOG # ipmon(8) log support 142#options IPFILTER_DEFAULT_BLOCK # block all packets by default 143#options TCP_DEBUG # Record last TCP_NDEBUG packets with SO_DEBUG 144 145#options ALTQ # Manipulate network interfaces' output queues 146#options ALTQ_BLUE # Stochastic Fair Blue 147#options ALTQ_CBQ # Class-Based Queueing 148#options ALTQ_CDNR # Diffserv Traffic Conditioner 149#options ALTQ_FIFOQ # First-In First-Out Queue 150#options ALTQ_FLOWVALVE # RED/flow-valve (red-penalty-box) 151#options ALTQ_HFSC # Hierarchical Fair Service Curve 152#options ALTQ_LOCALQ # Local queueing discipline 153#options ALTQ_PRIQ # Priority Queueing 154#options ALTQ_RED # Random Early Detection 155#options ALTQ_RIO # RED with IN/OUT 156#options ALTQ_WFQ # Weighted Fair Queueing 157 158# These options enable verbose messages for several subsystems. 159# Warning, these may compile large string tables into the kernel! 160#options EISAVERBOSE # verbose EISA device autoconfig messages 161#options PCIVERBOSE # verbose PCI device autoconfig messages 162#options PCI_CONFIG_DUMP # verbosely dump PCI config space 163#options PCMCIAVERBOSE # verbose PCMCIA configuration messages 164#options SCSIVERBOSE # human readable SCSI error messages 165#options USBVERBOSE # verbose USB device autoconfig messages 166 167#options NFS_BOOT_BOOTP,NFS_BOOT_BOOTPARAM 168 169# Kernel root file system and dump configuration. 170config netbsd root on ? type ? 171#config netbsd root on sd0a type ffs 172#config netbsd root on ? type nfs 173 174# 175# wscons options 176# 177# builtin terminal emulations 178#options WSEMUL_SUN # sun terminal emulation 179options WSEMUL_VT100 # VT100 / VT220 emulation 180# customization of console and kernel output - see dev/wscons/wsdisplayvar.h 181#options WSDISPLAY_CUSTOM_OUTPUT # color customization from wsconsctl(8) 182#options WS_DEFAULT_FG=WSCOL_WHITE 183#options WS_DEFAULT_BG=WSCOL_BLACK 184#options WS_DEFAULT_COLATTR="(0)" 185#options WS_DEFAULT_MONOATTR="(0)" 186options WS_KERNEL_FG=WSCOL_GREEN 187#options WS_KERNEL_BG=WSCOL_BLACK 188#options WS_KERNEL_COLATTR="" 189#options WS_KERNEL_MONOATTR="" 190# customization of console border color 191#options WSDISPLAY_CUSTOM_BORDER # border customization from wsconsctl(8) 192#options WSDISPLAY_BORDER_COLOR=WSCOL_BLUE # default color 193# compatibility to other console drivers 194options WSDISPLAY_COMPAT_PCVT # emulate some ioctls 195options WSDISPLAY_COMPAT_SYSCONS # emulate some ioctls 196options WSDISPLAY_COMPAT_USL # VT handling 197options WSDISPLAY_COMPAT_RAWKBD # can get raw scancodes 198# see dev/pckbc/wskbdmap_mfii.c for implemented layouts 199#options PCKBD_LAYOUT="(KB_DE | KB_NODEAD)" # for pckbd driver 200#options UKBD_LAYOUT="(KB_DE | KB_NODEAD)" # for ukbd driver 201# allocate a number of virtual screens at autoconfiguration time 202#options WSDISPLAY_DEFAULTSCREENS=4 203# use a large software cursor that doesn't blink 204options PCDISPLAY_SOFTCURSOR 205 206# 207# Device configuration 208# 209 210mainbus0 at root 211 212cpu0 at mainbus0 213 214#apm0 at mainbus0 # Advanced power management 215 216 217# Basic Bus Support 218 219# PCI bus support 220#pci* at mainbus? bus ? 221#pci* at pchb? bus ? 222#pci* at ppb? bus ? 223 224# PCI bridges 225#pchb* at pci? dev ? function ? # PCI-Host bridges 226#pceb* at pci? dev ? function ? # PCI-EISA bridges 227#pcib* at pci? dev ? function ? # PCI-ISA bridges 228#ichlpcib* at pci? dev ? function ? # Intel ICH PCI-ISA w/ watchdog and 229 # SpeedStep support 230#ppb* at pci? dev ? function ? # PCI-PCI bridges 231# XXX 'puc's aren't really bridges, but there's no better place for them here 232#puc* at pci? dev ? function ? # PCI "universal" comm. cards 233 234# EISA bus support 235#eisa0 at mainbus? 236#eisa0 at pceb? 237 238# ISA bus support 239isa0 at mainbus? 240#isa0 at pceb? 241#isa0 at pcib? 242#isa0 at ichlpcib? 243 244# PCMCIA bus support 245pcmcia* at pcic? controller ? socket ? 246 247# ISA PCMCIA controllers 248pcic0 at isa? port 0x3e0 iomem 0xd0000 iosiz 0x4000 249pcic1 at isa? port 0x3e2 iomem 0xd4000 iosiz 0x4000 250 251# ISA Plug-and-Play bus support 252#isapnp0 at isa? 253 254# ISA Plug-and-Play PCMCIA controllers 255#pcic* at isapnp? 256 257# Coprocessor Support 258 259# Math Coprocessor support 260npx0 at isa? port 0xf0 irq 13 # x86 math coprocessor 261 262# Console Devices 263 264# ISA console 265#pc0 at isa? port 0x60 irq 1 # pccons generic PC console driver 266 267# wscons 268pckbc0 at isa? # pc keyboard controller 269pckbd* at pckbc? # PC keyboard 270#pms* at pckbc? # PS/2 mouse for wsmouse 271vga0 at isa? 272#vga* at pci? dev ? function ? 273pcdisplay0 at isa? # CGA, MDA, EGA, HGA 274wsdisplay* at vga? console ? 275wsdisplay* at pcdisplay? console ? 276wskbd* at pckbd? console ? 277#wsmouse* at pms? mux 0 278 279 280#attimer0 at isa? 281#pcppi0 at isa? 282#sysbeep0 at pcppi? 283 284# Serial Devices 285 286# PCI serial interfaces 287#com* at puc? port ? # 16x50s on "universal" comm boards 288#cy* at pci? dev ? function ? # Cyclades Cyclom-Y serial boards 289 290# ISA Plug-and-Play serial interfaces 291#com* at isapnp? # Modems and serial boards 292 293# PCMCIA serial interfaces 294com* at pcmcia? function ? # Modems and serial cards 295 296# ISA serial interfaces 297#options COM_HAYESP # adds Hayes ESP serial board support 298com0 at isa? port 0x3f8 irq 4 # Standard PC serial ports 299com1 at isa? port 0x2f8 irq 3 300com2 at isa? port 0x3e8 irq 5 301#com3 at isa? port 0x2e8 irq 9 302#ast0 at isa? port 0x1a0 irq 5 # AST 4-port serial cards 303#com* at ast? slave ? 304#boca0 at isa? port 0x100 irq 5 # BOCA 8-port serial cards 305#com* at boca? slave ? 306#rtfps0 at isa? port 0x1230 irq 10 # RT 4-port serial cards 307#com* at rtfps? slave ? 308#cy0 at isa? iomem 0xd4000 irq 12 # Cyclades serial cards 309 310 311# Parallel Printer Interfaces 312 313# PCI parallel printer interfaces 314#lpt* at puc? port ? # || ports on "universal" comm boards 315 316# ISA parallel printer interfaces 317lpt0 at isa? port 0x378 irq 7 # standard PC parallel ports 318#lpt1 at isa? port 0x278 319#lpt2 at isa? port 0x3bc 320 321 322# SCSI Controllers and Devices 323 324# PCI SCSI controllers 325#ahc* at pci? dev ? function ? # Adaptec [23]94x, aic78x0 SCSI 326#dpt* at pci? dev ? function ? # DPT SmartCache/SmartRAID 327#bha* at pci? dev ? function ? # BusLogic 9xx SCSI 328#isp* at pci? dev ? function ? # Qlogic ISP [12]0x0 SCSI/FibreChannel 329#siop* at pci? dev ? function ? # NCR 53c8xx SCSI 330#esiop* at pci? dev ? function ? # NCR 53c875 SCSI and newer 331#options SIOP_SYMLED # drive the act. LED in software 332 333# EISA SCSI controllers 334#ahb* at eisa? slot ? # Adaptec 174[02] SCSI 335#ahc* at eisa? slot ? # Adaptec 274x, aic7770 SCSI 336#bha* at eisa? slot ? # BusLogic 7xx SCSI 337#dpt* at eisa? slot ? # DPT SmartCache/SmartRAID 338#uha* at eisa? slot ? # UltraStor 24f SCSI 339 340# PCMCIA SCSI controllers 341#aic* at pcmcia? function ? # Adaptec APA-1460 SCSI 342 343# ISA Plug-and-Play SCSI controllers 344#aic* at isapnp? # Adaptec AHA-1520B 345 346# ISA SCSI controllers 347#aha0 at isa? port 0x330 irq ? drq ? # Adaptec 154[02] SCSI 348#aha1 at isa? port 0x334 irq ? drq ? 349#ahc0 at isa? port ? irq ? # Adaptec 284x SCSI 350#aic0 at isa? port 0x340 irq 11 # Adaptec 152[02] SCSI 351#bha0 at isa? port 0x330 irq ? drq ? # BusLogic [457]4X SCSI 352#bha1 at isa? port 0x334 irq ? drq ? 353#sea0 at isa? iomem 0xc8000 irq 5 # Seagate/Future Domain SCSI 354#uha0 at isa? port 0x330 irq ? drq ? # UltraStor [13]4f SCSI 355#uha1 at isa? port 0x340 irq ? drq ? 356#wds0 at isa? port 0x350 irq 15 drq 6 # WD7000 and TMC-7000 controllers 357#wds1 at isa? port 0x358 irq 11 drq 5 358 359# SCSI bus support 360#scsibus* at scsi? 361 362# SCSI devices 363#sd* at scsibus? target ? lun ? # SCSI disk drives 364#st* at scsibus? target ? lun ? # SCSI tape drives 365#cd* at scsibus? target ? lun ? # SCSI CD-ROM drives 366#ch* at scsibus? target ? lun ? # SCSI autochangers 367#ss* at scsibus? target ? lun ? # SCSI scanners 368#uk* at scsibus? target ? lun ? # SCSI unknown 369 370 371# IDE and related devices 372 373# ISA Plug-and-Play IDE controllers 374#wdc* at isapnp? 375 376# PCMCIA IDE controllers 377wdc* at pcmcia? function ? 378 379# ISA IDE controllers 380wdc0 at isa? port 0x1f0 irq 14 # ST506, ESDI, and IDE controllers 381wdc1 at isa? port 0x170 irq 15 382 383# ATA (IDE) bus support 384atabus* at ata? 385 386# IDE drives 387wd* at atabus? drive ? # the drives themselves 388 389# ATAPI bus support 390atapibus* at atapi? 391 392# ATAPI devices 393cd* at atapibus? drive ? # ATAPI CD-ROM drives 394sd* at atapibus? drive ? # ATAPI disk drives 395 396 397# Miscellaneous mass storage devices 398 399# ISA floppy 400fdc0 at isa? port 0x3f0 irq 6 drq 2 # standard PC floppy controllers 401#fdc1 at isa? port 0x370 irq ? drq ? 402fd* at fdc? drive ? # the drives themselves 403# some machines need you to do this instead of fd* 404#fd0 at fdc0 drive 0 405 406# ISA CD-ROM devices 407#mcd0 at isa? port 0x300 irq 10 # Mitsumi CD-ROM drives 408 409# ISA tape devices 410# note: the wt driver conflicts unpleasantly with SMC boards at the 411# same I/O address. The probe reprograms their EEPROMs. Don't 412# uncomment it unless you are actually using it. 413#wt0 at isa? port 0x308 irq 5 drq 1 # Archive and Wangtek QIC tape drives 414 415 416# Network Interfaces 417 418# PCI network interfaces 419#en* at pci? dev ? function ? # ENI/Adaptec ATM 420#ep* at pci? dev ? function ? # 3Com 3c59x/3c90x Ethernet 421#epic* at pci? dev ? function ? # SMC EPIC/100 Ethernet 422#esh* at pci? dev ? function ? # Essential HIPPI card 423#fpa* at pci? dev ? function ? # DEC DEFPA FDDI 424#fxp* at pci? dev ? function ? # Intel EtherExpress PRO 10+/100B 425#le* at pci? dev ? function ? # PCnet-PCI Ethernet 426#ne* at pci? dev ? function ? # NE2000-compatible Ethernet 427#tl* at pci? dev ? function ? # ThunderLAN-based Ethernet 428#tlp* at pci? dev ? function ? # DECchip 21x4x and clones 429 430# EISA network interfaces 431#ep* at eisa? slot ? # 3Com 3c579 Ethernet 432#fea* at eisa? slot ? # DEC DEFEA FDDI 433 434# ISA Plug-and-Play network interfaces 435#ep* at isapnp? # 3Com 3c509 Ethernet 436#ne* at isapnp? # NE2000-compatible Ethernet 437 438# PCMCIA network interfaces 439ep* at pcmcia? function ? # 3Com 3c589 and 3c562 Ethernet 440mbe* at pcmcia? function ? # MB8696x based Ethernet 441ne* at pcmcia? function ? # NE2000-compatible Ethernet 442sm* at pcmcia? function ? # Megahertz Ethernet 443 444# ISA network interfaces 445ate0 at isa? port 0x2a0 irq ? # AT1700 446ec0 at isa? port 0x250 iomem 0xd8000 irq 9 # 3Com 3c503 Ethernet 447eg0 at isa? port 0x280 irq 9 # 3C505 ethernet cards 448el0 at isa? port 0x300 irq 9 # 3C501 ethernet cards 449ep0 at isa? port ? irq ? # 3C509 ethernet cards 450ef0 at isa? port 0x360 iomem 0xd0000 irq 7 # 3C507 451ai0 at isa? port 0x360 iomem 0xd0000 irq 7 # StarLAN 452fmv0 at isa? port 0x2a0 irq ? # FMV-180 series 453ix0 at isa? port 0x300 irq 10 # EtherExpress/16 454iy0 at isa? port 0x360 irq ? # EtherExpress PRO 10 ISA 455lc0 at isa? port 0x320 iomem ? irq ? # DEC EtherWORKS III (LEMAC) 456#depca0 at isa? port 0x300 iomem 0xc8000 iosiz 0x8000 irq 5 # DEPCA 457#le* at depca? 458nele0 at isa? port 0x320 irq 9 drq 7 # NE2100 459le* at nele? 460bicc0 at isa? port 0x320 irq 10 drq 7 # BICC IsoLan 461le* at bicc? 462ne0 at isa? port 0x280 irq 9 # NE[12]000 ethernet cards 463ne1 at isa? port 0x300 irq 10 464sm0 at isa? port 0x300 irq 10 # SMC91C9x Ethernet 465we0 at isa? port 0x280 iomem 0xd0000 irq 9 # WD/SMC Ethernet 466we1 at isa? port 0x300 iomem 0xcc000 irq 10 467 468# MII bus support 469#mii* at tl? 470 471# MII PHY network interfaces 472#tlphy* at mii? dev ? # ThunderLAN PHYs 473#nsphy* at mii? dev ? # NS and compatible PHYs 474#ukphy* at mii? phy ? # generic unknown PHYs 475 476 477# USB Controller and Devices 478 479# PCI USB controllers 480#uhci* at pci? # Universal Host Controller (Intel) 481#ohci* at pci? # Open Host Controller 482 483# USB bus support 484#usb* at uhci? 485#usb* at ohci? 486 487# USB Hubs 488#uhub* at usb? 489#uhub* at uhub? port ? 490 491# USB Mice 492#ums* at uhub? port ? 493 494# USB Keyboards 495#ukbd* at uhub? port ? 496 497# USB Generic HID devices 498#uhid* at uhub? port ? 499 500# USB Printer 501#ulpt* at uhub? port ? 502 503# USB Mass Storage 504#umass* at uhub? port ? configuration ? interface ? 505#wd* at umass? 506 507# USB Ethernet adapters 508#aue* at uhub? port ? # ADMtek AN986 Pegasus based adapters 509#axe* at uhub? port ? # ASIX AX88172 based adapters 510#cue* at uhub? port ? # CATC USB-EL1201A based adapters 511#kue* at uhub? port ? # Kawasaki LSI KL5KUSB101B based adapters 512#url* at uhub? port ? # Realtek RTL8150L based adapters 513 514# Y@P firmware loader 515#uyap* at uhub? port ? 516 517# USB Generic driver 518#ugen* at uhub? port ? 519 520# Audio Devices 521 522# PCI audio devices 523#eap* at pci? dev ? function ? # Ensoniq AudioPCI 524 525# ISA Plug-and-Play audio devices 526#guspnp* at isapnp? # Gravis Ultra Sound PnP audio 527#sb* at isapnp? # SoundBlaster-compatible audio 528#ym* at isapnp? # Yamaha OPL3-SA3 audio 529 530# ISA audio devices 531#aria0 at isa? port 0x290 irq 10 # Aria 532#gus0 at isa? port 0x220 irq 7 drq 1 drq2 6 # Gravis Ultra Sound 533#pas0 at isa? port 0x220 irq 7 drq 1 # ProAudio Spectrum 534#sb0 at isa? port 0x220 irq 5 drq 1 drq2 5 # SoundBlaster 535#wss0 at isa? port 0x530 irq 10 drq 0 drq2 1 # Windows Sound System 536 537# Audio support 538#audio* at audiobus? 539 540# The spkr driver provides a simple tone interface to the built in speaker. 541#spkr0 at pcppi? # PC speaker 542 543 544# Joysticks 545 546# ISA Plug-and-Play joysticks 547#joy* at isapnp? # Game ports (usually on audio cards) 548 549# ISA joysticks. Probe is a little strange; add only if you have one. 550#joy0 at isa? port 0x201 551 552 553# Miscellaneous Devices 554 555# Planetconnect Satellite receiver driver. 556#satlink0 at isa? port 0x300 drq 1 557 558 559# Pull in optional local configuration 560include "arch/i386/conf/GENERIC.local" 561 562 563# Pseudo-Devices 564 565# disk/mass storage pseudo-devices 566#pseudo-device ccd 4 # concatenated/striped disk devices 567pseudo-device fss 4 # file system snapshot device 568#pseudo-device md 1 # memory disk device (ramdisk) 569pseudo-device vnd 4 # disk-like interface to files 570#options VND_COMPRESSION # compressed vnd(4) 571 572# network pseudo-devices 573pseudo-device bpfilter 8 # Berkeley packet filter 574pseudo-device bridge # simple inter-network bridging 575pseudo-device ipfilter # IP filter (firewall) and NAT 576pseudo-device loop # network loopback 577pseudo-device ppp 2 # Point-to-Point Protocol 578pseudo-device pppoe # PPP over Ethernet (RFC 2516) 579#pseudo-device sl 2 # Serial Line IP 580#pseudo-device strip 2 # Starmode Radio IP (Metricom) 581pseudo-device tun 2 # network tunneling over tty 582#pseudo-device tap # virtual Ethernet 583 584# miscellaneous pseudo-devices 585pseudo-device pty # pseudo-terminals 586#pseudo-device tb 1 # tablet line discipline 587pseudo-device rnd # /dev/random and in-kernel generator 588#options RND_COM # use "com" randomness as well (BROKEN) 589pseudo-device clockctl # user control of clock subsystem 590