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GENERIC revision 1.85
      1  1.85   thorpej # $NetBSD: GENERIC,v 1.85 2005/11/25 16:35:11 thorpej Exp $
      2  1.23  gmcgarry #
      3  1.23  gmcgarry # GENERIC machine description file
      4  1.23  gmcgarry # 
      5  1.23  gmcgarry # This machine description file is used to generate the default NetBSD
      6  1.23  gmcgarry # kernel.  The generic kernel does not include all options, subsystems
      7  1.23  gmcgarry # and device drivers, but should be useful for most applications.
      8  1.23  gmcgarry #
      9  1.23  gmcgarry # The machine description file can be customised for your specific
     10  1.23  gmcgarry # machine to reduce the kernel size and improve its performance.
     11  1.23  gmcgarry #
     12  1.23  gmcgarry # For further information on compiling NetBSD kernels, see the config(8)
     13  1.23  gmcgarry # man page.
     14  1.23  gmcgarry #
     15  1.23  gmcgarry # For further information on hardware support for this architecture, see
     16  1.23  gmcgarry # the intro(4) man page.  For further information about kernel options
     17  1.23  gmcgarry # for this architecture, see the options(4) man page.  For an explanation
     18  1.23  gmcgarry # of each device driver in this file see the section 4 man page for the
     19  1.23  gmcgarry # device.
     20   1.1     soren 
     21   1.1     soren include 	"arch/cobalt/conf/std.cobalt"
     22   1.1     soren 
     23  1.31    atatat options 	INCLUDE_CONFIG_FILE	# embed config file in kernel binary
     24  1.31    atatat 
     25  1.85   thorpej #ident 		"GENERIC-$Revision: 1.85 $"
     26   1.1     soren 
     27   1.1     soren maxusers	32
     28   1.1     soren 
     29   1.1     soren # Standard system options
     30   1.1     soren options 	KTRACE		# system call tracing support
     31  1.36    provos options 	SYSTRACE	# system call vetting via systrace(1)
     32   1.1     soren options 	SYSVMSG		# System V message queues
     33   1.1     soren options 	SYSVSEM		# System V semaphores
     34  1.21     lukem #options 	SEMMNI=10	# number of semaphore identifiers
     35  1.21     lukem #options 	SEMMNS=60	# number of semaphores in system
     36  1.21     lukem #options 	SEMUME=10	# max number of undo entries per process
     37  1.21     lukem #options 	SEMMNU=30	# number of undo structures in system
     38   1.1     soren options 	SYSVSHM		# System V shared memory
     39   1.1     soren #options 	SHMMAXPGS=1024	# 1024 pages is the default
     40  1.60    bouyer options 	P1003_1B_SEMAPHORE # p1003.1b semaphore support
     41  1.15     soren #options 	LKM		# loadable kernel modules
     42   1.1     soren #options 	NTP		# network time protocol
     43  1.33     lukem options 	USERCONF	# userconf(4) support
     44  1.26  jdolecek #options	PIPE_SOCKETPAIR	# smaller, but slower pipe(2)
     45  1.61    atatat options 	SYSCTL_INCLUDE_DESCR	# Include sysctl descriptions in kernel
     46  1.38  junyoung 
     47  1.39       wiz # Enable experimental buffer queue strategy for better responsiveness under 
     48  1.38  junyoung # high disk I/O load. Use it with caution - it's not proven to be stable yet.
     49  1.73   tsutsui #options 	BUFQ_READPRIO
     50  1.73   tsutsui #options 	BUFQ_PRIOCSCAN
     51   1.1     soren 
     52   1.1     soren # Debugging options
     53  1.83       chs #options 	DIAGNOSTIC	# extra kernel sanity checking
     54   1.1     soren #options 	DEBUG		# extra kernel debugging support
     55  1.21     lukem #options 	KMEMSTATS	# kernel memory statistics (vmstat -m)
     56   1.1     soren options 	DDB		# kernel dynamic debugger
     57   1.1     soren #options 	DDB_HISTORY_SIZE=100 # enable history editing in DDB
     58  1.21     lukem #makeoptions	DEBUG="-g"	# compile full symbol table
     59   1.1     soren 
     60   1.1     soren # Compatibility options
     61   1.1     soren options 	COMPAT_43	# compatibility with 4.3BSD binaries
     62  1.45   tsutsui #options 	COMPAT_09	# NetBSD 0.9 binary compatibility
     63   1.1     soren #options 	COMPAT_10	# NetBSD 1.0 binary compatibility
     64   1.1     soren #options 	COMPAT_11	# NetBSD 1.1 binary compatibility
     65   1.1     soren #options 	COMPAT_12	# NetBSD 1.2 binary compatibility
     66   1.1     soren #options 	COMPAT_13	# NetBSD 1.3 binary compatibility
     67   1.1     soren #options 	COMPAT_14	# NetBSD 1.4 binary compatibility
     68  1.48   tsutsui options 	COMPAT_16	# NetBSD 1.6 binary compatibility
     69  1.70    simonb options 	COMPAT_20	# NetBSD 2.0 binary compatibility
     70  1.80  christos options 	COMPAT_30	# NetBSD 3.0 compatibility.
     71   1.1     soren #options 	EXEC_ECOFF	# exec ECOFF binaries
     72   1.1     soren #options 	COMPAT_ULTRIX	# binary compatibility with Ultrix
     73  1.17       abs #options 	TCP_COMPAT_42	# 4.2BSD TCP/IP bug compat. Not recommended.
     74  1.63  christos options		COMPAT_BSDPTY	# /dev/[pt]ty?? ptys.
     75   1.1     soren 
     76   1.1     soren # File systems
     77   1.1     soren file-system	FFS		# Berkeley Fast Filesystem
     78  1.21     lukem file-system 	EXT2FS		# second extended file system (linux)
     79   1.1     soren file-system	NFS		# Sun NFS-compatible filesystem client
     80   1.7     soren #file-system	KERNFS		# kernel data-structure filesystem
     81   1.1     soren #file-system	NULLFS		# NULL layered filesystem
     82   1.7     soren #file-system 	OVERLAY		# overlay file system
     83   1.1     soren file-system	MFS		# memory-based filesystem
     84   1.1     soren file-system	FDESC		# user file descriptor filesystem
     85   1.1     soren #file-system	UMAPFS		# uid/gid remapping filesystem
     86   1.7     soren #file-system	LFS		# Log-based filesystem (still experimental)
     87   1.1     soren #file-system	PORTAL		# portal filesystem (still experimental)
     88   1.7     soren #file-system	PROCFS		# /proc
     89   1.1     soren #file-system	CD9660		# ISO 9660 + Rock Ridge file system
     90   1.1     soren #file-system	UNION		# union file system
     91   1.1     soren #file-system	MSDOSFS		# MS-DOS FAT filesystem(s).
     92   1.1     soren #file-system 	CODA		# Coda File System; also needs vcoda (below)
     93  1.81  christos #file-system	PTYFS		# /dev/pts/N support
     94  1.82      jmmv #file-system	TMPFS		# experimental - Efficient memory file-system
     95   1.1     soren 
     96   1.1     soren # File system options
     97   1.1     soren options 	NFSSERVER	# Sun NFS-compatible filesystem server
     98   1.1     soren options 	QUOTA		# FFS quotas
     99   1.1     soren #options 	FFS_EI		# FFS Endian Independant support
    100  1.21     lukem options 	SOFTDEP		# FFS soft updates support.
    101  1.66    rumble #options	UFS_DIRHASH	# UFS Large Directory Hashing - Experimental
    102  1.69       dsl options 	FFS_NO_SNAPSHOT	# ffs snapshots
    103   1.1     soren #options 	EXT2FS_SYSTEM_FLAGS # makes ext2fs file flags (append and
    104   1.1     soren 				# immutable) behave as system flags.
    105   1.1     soren 
    106   1.1     soren # Networking options
    107   1.1     soren #options 	GATEWAY		# IP packet forwarding
    108   1.1     soren options 	INET		# Internet protocols
    109   1.7     soren #options 	INET6		# IPV6
    110   1.1     soren #options 	IPSEC		# IP security
    111   1.1     soren #options 	IPSEC_ESP	# IP security (encryption part; define w/IPSEC)
    112  1.75      tron #options 	IPSEC_NAT_T	# IPsec NAT traversal (NAT-T)
    113   1.1     soren #options 	IPSEC_DEBUG	# debug for IP security
    114   1.1     soren #options 	MROUTING	# packet forwarding of multicast packets
    115  1.62      manu #options 	PIM		# Protocol Independent Multicast
    116   1.1     soren #options 	NS		# Xerox NS networking
    117   1.1     soren #options 	NSIP		# Xerox NS tunneling over IP
    118   1.1     soren #options 	ISO,TPIP	# OSI networking
    119   1.1     soren #options 	EON		# OSI tunneling over IP
    120   1.1     soren #options 	CCITT,LLC,HDLC	# X.25
    121   1.1     soren #options 	NETATALK	# AppleTalk (over Ethernet) protocol
    122   1.1     soren #options 	PPP_BSDCOMP	# BSD-Compress compression support for PPP
    123   1.1     soren #options 	PPP_DEFLATE	# Deflate compression support for PPP
    124  1.10     soren #options 	PPP_FILTER	# Active filter support for PPP (requires bpf)
    125  1.10     soren #options 	PFIL_HOOKS	# pfil(9) packet filter hooks
    126  1.10     soren #options 	IPFILTER_LOG	# ipmon(8) log support
    127  1.35    martti #options 	IPFILTER_DEFAULT_BLOCK	# block all packets by default
    128  1.17       abs #options 	TCP_DEBUG	# Record last TCP_NDEBUG packets with SO_DEBUG
    129   1.1     soren 
    130  1.59       abs #options 	ALTQ		# Manipulate network interfaces' output queues
    131  1.59       abs #options 	ALTQ_BLUE	# Stochastic Fair Blue
    132  1.59       abs #options 	ALTQ_CBQ	# Class-Based Queueing
    133  1.59       abs #options 	ALTQ_CDNR	# Diffserv Traffic Conditioner
    134  1.59       abs #options 	ALTQ_FIFOQ	# First-In First-Out Queue
    135  1.59       abs #options 	ALTQ_FLOWVALVE	# RED/flow-valve (red-penalty-box)
    136  1.59       abs #options 	ALTQ_HFSC	# Hierarchical Fair Service Curve
    137  1.59       abs #options 	ALTQ_LOCALQ	# Local queueing discipline
    138  1.59       abs #options 	ALTQ_PRIQ	# Priority Queueing
    139  1.59       abs #options 	ALTQ_RED	# Random Early Detection
    140  1.59       abs #options 	ALTQ_RIO	# RED with IN/OUT
    141  1.59       abs #options 	ALTQ_WFQ	# Weighted Fair Queueing
    142  1.59       abs 
    143   1.1     soren # These options enable verbose messages for several subsystems.
    144   1.1     soren # Warning, these may compile large string tables into the kernel!
    145   1.1     soren options 	PCIVERBOSE	# verbose PCI device autoconfig messages
    146   1.1     soren #options 	PCI_CONFIG_DUMP	# verbosely dump PCI config space
    147  1.21     lukem options 	SCSIVERBOSE	# human readable SCSI error messages
    148   1.5  augustss #options 	MIIVERBOSE	# verbose PHY autoconfig messages
    149   1.1     soren 
    150   1.1     soren options 	NFS_BOOT_DHCP
    151   1.1     soren 
    152   1.1     soren config		netbsd	root on ? type ?
    153   1.1     soren 
    154   1.1     soren mainbus0 	at root
    155   1.1     soren 
    156   1.1     soren cpu0 		at mainbus?
    157   1.1     soren 
    158   1.1     soren com0		at mainbus? addr 0x1c800000 level 3
    159  1.55   thorpej options 	COM_16650
    160   1.1     soren 
    161  1.40     soren panel0 		at mainbus? addr 0x1f000000
    162  1.40     soren 
    163   1.1     soren gt0 		at mainbus? addr 0x14000000
    164   1.1     soren 
    165   1.1     soren pci* 		at gt0
    166   1.1     soren pchb* 		at pci? dev ? function ?
    167   1.1     soren pcib* 		at pci? dev ? function ?
    168   1.1     soren 
    169  1.71   tsutsui options 	PCI_NETBSD_CONFIGURE
    170  1.71   tsutsui 
    171  1.54  jonathan # Cryptographic Devices
    172  1.54  jonathan 
    173  1.54  jonathan # PCI cryptographic devices
    174  1.54  jonathan hifn*	at pci? dev ? function ?	# Hifn 7755/7811/795x
    175  1.54  jonathan ubsec*	at pci? dev ? function ?	# Broadcom 5501/5601/580x/582x
    176  1.54  jonathan 
    177   1.1     soren # PCI serial/parallel interfaces
    178  1.10     soren #puc* 		at pci? dev ? function ? 	# PCI "universal" comm. cards
    179  1.10     soren #com* 		at puc? port ?
    180   1.1     soren #lpt* 		at puc? port ?
    181   1.1     soren #cy* 		at pci? dev ? function ?	# Cyclades Cyclom-Y serial cards
    182   1.1     soren 
    183   1.1     soren # PCI SCSI controllers
    184   1.1     soren #adv*		at pci? dev ? function ?	# AdvanSys 1200[A,B], 9xx[U,UA]
    185   1.1     soren #adw*		at pci? dev ? function ?	# AdvanSys 9xxUW SCSI
    186   1.1     soren ahc*		at pci? dev ? function ?	# Adaptec [23]94x, aic78x0 SCSI
    187   1.1     soren #bha*		at pci? dev ? function ?	# BusLogic 9xx SCSI
    188   1.1     soren #dpt*		at pci? dev ? function ?	# DPT SmartCache/SmartRAID
    189   1.1     soren #isp*		at pci? dev ? function ?	# Qlogic ISP [12]0x0 SCSI/FC
    190   1.4     soren siop*		at pci? dev ? function ?	# NCR 53c8xx SCSI
    191  1.44    bouyer esiop*		at pci? dev ? function ?	# NCR 53c82s75xx SCSI and newer
    192   1.1     soren #pcscp*		at pci? dev ? function ?	# AMD 53c974 PCscsi-PCI SCSI
    193   1.1     soren 
    194   1.1     soren # SCSI bus support
    195   1.1     soren #scsibus* 	at adv?
    196   1.1     soren #scsibus* 	at adw?
    197   1.1     soren scsibus* 	at ahc?
    198   1.1     soren #scsibus* 	at bha?
    199   1.1     soren #scsibus* 	at dpt?
    200   1.1     soren #scsibus* 	at isp?
    201   1.4     soren scsibus* 	at siop?
    202  1.44    bouyer scsibus* 	at esiop?
    203   1.1     soren #scsibus* 	at pcscp?
    204   1.1     soren 
    205   1.1     soren # SCSI devices
    206   1.1     soren sd*		at scsibus? target ? lun ?	# SCSI disk drives
    207   1.1     soren st*		at scsibus? target ? lun ?	# SCSI tape drives
    208   1.7     soren #cd*		at scsibus? target ? lun ?	# SCSI CD-ROM drives
    209   1.7     soren #ch*		at scsibus? target ? lun ?	# SCSI autochangers
    210   1.1     soren #ss*		at scsibus? target ? lun ?	# SCSI scanners
    211  1.10     soren #uk*		at scsibus? target ? lun ?	# SCSI unknown
    212   1.1     soren 
    213   1.1     soren # RAID controllers and devices
    214   1.1     soren #cac*		at pci? dev ? function ?	# Compaq array controller
    215   1.1     soren #ca*		at cac? unit ?			# Compaq array disk device
    216   1.1     soren 
    217   1.1     soren # IDE and related devices
    218   1.1     soren # PCI IDE controllers - see pciide(4) for supported hardware.
    219   1.1     soren # The 0x0001 flag force the driver to use DMA, even if the driver doesn't know
    220   1.1     soren # how to set up DMA modes for this chip. This may work, or may cause
    221   1.1     soren # a machine hang with some controllers.
    222  1.47    bouyer pciide* 	at pci? dev ? function ? flags 0x0000	# GENERIC pciide driver
    223  1.47    bouyer acardide*	at pci? dev ? function ?	# Acard IDE controllers
    224  1.47    bouyer aceride* 	at pci? dev ? function ?	# Acer Lab IDE controllers
    225  1.53   thorpej artsata*	at pci? dev ? function ?	# Intel i31244 SATA controller
    226  1.47    bouyer cmdide* 	at pci? dev ? function ?	# CMD tech IDE controllers
    227  1.47    bouyer cypide* 	at pci? dev ? function ?	# Cypress IDE controllers
    228  1.47    bouyer hptide* 	at pci? dev ? function ?	# Triones/HighPoint IDE controllers
    229  1.47    bouyer optiide* 	at pci? dev ? function ?	# Opti IDE controllers
    230  1.47    bouyer pdcide* 	at pci? dev ? function ?	# Promise IDE controllers
    231  1.64    bouyer pdcsata* 	at pci? dev ? function ?	# Promise SATA150 controllers
    232  1.52   thorpej satalink*	at pci? dev ? function ?	# SiI SATALink controllers
    233  1.47    bouyer siside* 	at pci? dev ? function ?	# SiS IDE controllers
    234  1.47    bouyer slide*  	at pci? dev ? function ?	# Symphony Labs IDE controllers
    235  1.47    bouyer viaide* 	at pci? dev ? function ?	# VIA/AMD/Nvidia IDE controllers
    236  1.47    bouyer 
    237  1.47    bouyer # ATA bus
    238  1.50   tsutsui atabus* 	at ata?
    239  1.46    bouyer 
    240   1.1     soren # IDE drives
    241   1.1     soren # Flags are used only with controllers that support DMA operations
    242   1.1     soren # and mode settings (e.g. some pciide controllers)
    243   1.1     soren # The lowest order four bits (rightmost digit) of the flags define the PIO
    244   1.1     soren # mode to use, the next set of four bits the DMA mode and the third set the
    245   1.1     soren # UltraDMA mode. For each set of four bits, the 3 lower bits define the mode
    246   1.1     soren # to use, and the last bit must be 1 for this setting to be used.
    247   1.1     soren # For DMA and UDMA, 0xf (1111) means 'disable'.
    248   1.1     soren # 0x0fac means 'use PIO mode 4, DMA mode 2, disable UltraDMA'.
    249   1.1     soren # (0xc=1100, 0xa=1010, 0xf=1111)
    250   1.1     soren # 0x0000 means "use whatever the drive claims to support".
    251  1.46    bouyer wd* 		at atabus? drive ? flags 0x0000
    252   1.1     soren 
    253   1.1     soren # PCI network interfaces
    254   1.1     soren #en*		at pci? dev ? function ?	# ENI/Adaptec ATM
    255   1.1     soren #ep*		at pci? dev ? function ?	# 3Com 3c59x
    256  1.18   hubertf #ex*		at pci? dev ? function ?	# 3Com 90x[BC]
    257   1.1     soren #epic*		at pci? dev ? function ?	# SMC EPIC/100 Ethernet
    258   1.1     soren #esh*		at pci? dev ? function ?	# Essential HIPPI card
    259   1.1     soren #fpa*		at pci? dev ? function ?	# DEC DEFPA FDDI
    260   1.1     soren #fxp*		at pci? dev ? function ?	# Intel EtherExpress PRO10+/100B
    261   1.1     soren #le*		at pci? dev ? function ?	# PCnet-PCI Ethernet
    262   1.1     soren #ne*		at pci? dev ? function ?	# NE2000-compatible Ethernet
    263   1.1     soren #ntwoc*		at pci? dev ? function ?	# Riscom/N2 PCI Sync Serial
    264   1.1     soren #sip*		at pci? dev ? function ?	# SiS 900 Ethernet
    265   1.1     soren #tl*		at pci? dev ? function ?	# ThunderLAN-based Ethernet
    266  1.30   mycroft tlp*		at pci? dev ? function ?	# DECchip 21x4x and clones
    267   1.1     soren #vr*		at pci? dev ? function ?	# VIA Rhine Fast Ethernet
    268   1.1     soren #lmc*		at pci? dev ? function ?	# Lan Media Corp SSI/HSSI/DS3
    269   1.3      groo #rtk*		at pci? dev ? function ?	# Realtek 8129/8139
    270   1.1     soren 
    271   1.1     soren # MII/PHY support
    272   1.1     soren #exphy*		at mii? phy ?			# 3Com internal PHYs
    273  1.27       wiz #icsphy*		at mii? phy ?			# ICS189x PHYs
    274   1.1     soren #inphy*		at mii? phy ?			# Intel 82555 PHYs
    275   1.1     soren #iophy*		at mii? phy ?			# Intel 82553 PHYs
    276   1.1     soren lxtphy*		at mii? phy ?			# Level One LXT-970 PHYs
    277   1.1     soren #nsphy*		at mii? phy ?			# NS83840 PHYs
    278   1.1     soren #nsphyter* 	at mii? phy ?			# NS83843 PHYs
    279   1.1     soren #qsphy*		at mii? phy ?			# Quality Semiconductor QS6612
    280   1.1     soren #sqphy*		at mii? phy ?			# Seeq 80220/80221/80223 PHYs
    281   1.1     soren #tlphy*		at mii? phy ?			# ThunderLAN PHYs
    282   1.1     soren #tqphy*		at mii? phy ?			# TDK Semiconductor PHYs
    283   1.1     soren #ukphy*		at mii? phy ?			# generic unknown PHYs
    284   1.1     soren 
    285  1.76  kiyohara # PCI IEEE1394 controllers
    286  1.76  kiyohara #fwohci*	at pci? dev ? function ?		# IEEE1394 Open Host Controller
    287  1.76  kiyohara 
    288  1.76  kiyohara #ieee1394if*	at fwohci?
    289  1.76  kiyohara #fwip*		at ieee1394if?			# IP over IEEE1394
    290  1.76  kiyohara #sbp*		at ieee1394if? euihi ? euilo ?
    291  1.76  kiyohara #scsibus*	at sbp?
    292  1.76  kiyohara 
    293   1.1     soren # PCI audio devices
    294   1.1     soren #clcs*		at pci? dev ? function ?	# Cirrus Logic CS4280
    295   1.1     soren #eap*		at pci? dev ? function ?	# Ensoniq AudioPCI
    296   1.1     soren #eso*		at pci? dev ? function ?	# ESS Solo-1 PCI AudioDrive
    297   1.1     soren #fms*		at pci? dev ? function ?	# Forte Media FM801
    298   1.1     soren #sbl*		at pci? dev ? function ?	# SoundBlaster Live!
    299   1.1     soren #sv*		at pci? dev ? function ?	# S3 SonicVibes
    300   1.1     soren 
    301   1.1     soren # Pseudo-devices
    302   1.1     soren 
    303  1.85   thorpej pseudo-device 	crypto				# /dev/crypto device
    304  1.84   thorpej pseudo-device	swcr				# software crypto implementation
    305  1.54  jonathan 
    306   1.1     soren # Disk/mass storage pseudo-devices
    307   1.7     soren #pseudo-device	ccd		4		# concatenated disk devices
    308  1.37     elric #pseudo-device	cgd		4		# cryptographic disk devices
    309  1.25     oster pseudo-device	raid		8		# RAIDframe disk driver
    310  1.25     oster options 	RAID_AUTOCONFIG			# auto-configuration of RAID
    311  1.25     oster # Options to enable various other RAIDframe RAID types.
    312  1.25     oster # options	RF_INCLUDE_EVENODD=1
    313  1.25     oster # options	RF_INCLUDE_RAID5_RS=1
    314  1.25     oster # options	RF_INCLUDE_PARITYLOGGING=1
    315  1.25     oster # options	RF_INCLUDE_CHAINDECLUSTER=1
    316  1.25     oster # options	RF_INCLUDE_INTERDECLUSTER=1
    317  1.25     oster # options 	RF_INCLUDE_PARITY_DECLUSTERING=1
    318  1.25     oster # options	RF_INCLUDE_PARITY_DECLUSTERING_DS=1
    319  1.67   hannken pseudo-device	fss		4		# file system snapshot device
    320   1.7     soren #pseudo-device	md		1		# memory disk device (ramdisk)
    321   1.7     soren #pseudo-device	vnd		4		# disk-like interface to files
    322  1.77   hubertf #options 	VND_COMPRESSION		# compressed vnd(4)
    323   1.1     soren 
    324   1.1     soren # Network pseudo-devices
    325   1.1     soren pseudo-device	bpfilter	8		# Berkeley packet filter
    326  1.10     soren #pseudo-device	ipfilter			# IP filter (firewall) and NAT
    327   1.1     soren pseudo-device	loop				# network loopback
    328   1.1     soren #pseudo-device	ppp		2		# Point-to-Point Protocol
    329  1.24    martin #pseudo-device	pppoe				# PPP over Ethernet (RFC 2516)
    330   1.1     soren #pseudo-device	sl		2		# Serial Line IP
    331   1.1     soren #pseudo-device	strip		2		# Starmode Radio IP (Metricom)
    332   1.1     soren #pseudo-device	tun		2		# network tunneling over tty
    333  1.65      cube #pseudo-device	tap				# virtual Ethernet
    334   1.1     soren #pseudo-device	gre		2		# generic L3 over IP tunnel
    335  1.21     lukem #pseudo-device	gif		4		# RFC1933 tunnel
    336  1.21     lukem #pseudo-device	faith		1		# IPv[46] tcp relay translation
    337   1.2    itojun #pseudo-device	stf		1		# 6to4 IPv6 over IPv4 encapsulation
    338  1.14    bouyer pseudo-device	vlan			# IEEE 802.1q encapsulation
    339  1.22    atatat pseudo-device	bridge			# simple inter-network bridging
    340  1.41  perseant #options	BRIDGE_IPF		# bridge uses IP/IPv6 pfil hooks too
    341   1.1     soren 
    342   1.1     soren # Miscellaneous pseudo-devices
    343  1.13  jdolecek pseudo-device	pty				# pseudo-terminals
    344   1.1     soren #pseudo-device	tb		1		# tablet line discipline
    345   1.1     soren #pseudo-device	sequencer	1		# MIDI sequencer
    346   1.1     soren pseudo-device	rnd				# /dev/random & kernel generator
    347   1.1     soren #options 	RND_COM				# use "com" randomness (BROKEN)
    348  1.32     lukem pseudo-device	clockctl		# user control of clock subsystem
    349  1.49       cdi pseudo-device	nullcons			# no-op console
    350   1.1     soren 
    351   1.1     soren # A pseudo device needed for Coda		# also needs CODA (above)
    352   1.1     soren #pseudo-device	vcoda		4		# coda minicache <-> venus comm.
    353  1.43     ragge pseudo-device	ksyms				# /dev/ksyms
    354  1.58    itojun #pseudo-device	pf			# PF packet filter
    355  1.58    itojun #pseudo-device	pflog			# PF log if
    356