xref: /src/sys/arch/hpcmips/conf/MPC303

#
# 	$NetBSD: MPC303,v 1.64 2013/04/27 21:43:27 christos Exp $
# 	From: NetBSD: GENERIC,v 1.91 2001/05/06 14:25:16 takemura Exp
#
# Kernel configuration file for Victor MP-C303; enami's test machine.
#

include		"arch/hpcmips/conf/std.hpcmips"

#options 	INCLUDE_CONFIG_FILE	# embed config file in kernel binary

#ident 		"GENERIC-$Revision: 1.64 $"

maxusers	16

options 	MIPS3			# R4000/R4400/R4600 CPUs

# Support for specific models of H/PC MIPS
makeoptions	CPUFLAGS="-mips3"	# CPU codegen options
options 	MIPS3_4100		# VR4100 core
options 	VR41XX			# NEC VR41xx series
options 	VR4122			# NEC VR4122

# Standard system options
options 	DDB			# in-kernel debugger
#options 	DDB_ONPANIC=0		# don't enter debugger on panic
#options 	KGDB			# remote debugger
options 	DIAGNOSTIC		# extra kernel debugging checks
#options 	DEBUG			# extra kernel debugging support
options 	KTRACE			# system call tracing support
options 	MSGBUFSIZE=16384	# dmesg buffer size
options 	USERCONF		# userconf(4) support
#options	PIPE_SOCKETPAIR		# smaller, but slower pipe(2)
#options 	SYSCTL_INCLUDE_DESCR	# Include sysctl descriptions in kernel

## UVM options.
#options 	UVM_PAGE_TRKOWN
#options 	UVMHIST
#options 	UVMHIST_PRINT	# Loud!

#options 	SCSIVERBOSE		# human readable SCSI error messages
#options 	PCMCIAVERBOSE		# verbose PCMCIA configuration messages

#options 	RTC_OFFSET=0	# hardware clock is this many mins. west of GMT
options 	RTC_OFFSET=-540		# JST-9
#options 	RTC_OFFSET=480		# PST8
					# In NO RTC_OFFSET , inherit RTC_OFFSET
					# from Windows CE.
options 	NTP			# network time protocol

#options 	WINCE_DEFAULT_SETTING	# Debugging use
#options 	DUMP_GIU_LEVEL2_INTR	# Debugging use
#options 	DEBUG_FIND_PCIC		# Debugging use XXX harmful don't define until read source.

#options 	SYSCALL_DEBUG		# for debug
#options 	HPCMIPS_L1CACHE_DISABLE	# disable L1 cache for debug

# Filesystem options
file-system 	FFS		# fast filesystem with user and group quotas
file-system 	MFS		# memory-based filesystem
file-system 	NFS		# Sun NFS-compatible filesystem (client)
#file-system	LFS		# Log-based filesystem (still experimental)
file-system 	CD9660		# ISO 9660 + Rock Ridge file system
file-system 	MSDOSFS		# MS-DOS file system
#file-system 	FDESC		# /dev/fd
file-system 	KERNFS		# /kern (kernel informational filesystem)
#file-system 	NULLFS		# loopback file system
#file-system 	OVERLAY		# overlay file system
file-system 	PROCFS		# /proc
#file-system 	UMAPFS		# NULLFS + uid and gid remapping
file-system 	UNION
file-system	PTYFS		# /dev/pts/N support

#options 	NFSSERVER	# Sun NFS-compatible filesystem (server)
options 	WAPBL		# File system journaling support
#options 	QUOTA		# legacy UFS quotas
#options 	QUOTA2		# new, in-filesystem UFS quotas
options 	FFS_NO_SNAPSHOT	# No FFS snapshot support

# Networking options
#options 	GATEWAY		# IP packet forwarding
options 	INET		# IP + ICMP + TCP + UDP
options 	INET6		# IPV6
#options 	IPSEC		# IP security
#options 	IPSEC_NAT_T	# IPsec NAT traversal (NAT-T)
#options 	IPSEC_DEBUG	# debug for IP security
#options 	MROUTING	# Multicast routing support
#options 	PIM		# Protocol Independent Multicast

# NetBSD backwards compatibility
options 	COMPAT_43
options 	COMPAT_16
options 	COMPAT_20
options 	COMPAT_30	# NetBSD 3.0 compatibility.
options 	COMPAT_40	# NetBSD 4.0 compatibility.
options		COMPAT_BSDPTY	# /dev/[pt]ty?? ptys.

#options 	NFS_BOOT_DHCP
#options 	NFS_BOOT_BOOTP
options 	NFS_BOOT_BOOTPARAM

options 	VR_FIND_DRAMLIM=0x03800000

# compile options
#makeoptions	DEFGP="-G 14"

#config		netbsd		root on ? type ?
config		netbsd		root on aue0 type nfs

# WS console uses SUN or VT100 terminal emulation
options 	WSEMUL_VT100
#options 	WSDISPLAY_DEFAULTSCREENS=4
#options 	FONT_VT220L8x8
options 	FONT_VT220L8x10
# compatibility to other console drivers
options 	WSDISPLAY_COMPAT_PCVT		# emulate some ioctls
options 	WSDISPLAY_COMPAT_SYSCONS	# emulate some ioctls
options 	WSDISPLAY_COMPAT_USL		# wsconscfg VT handling
options 	WSDISPLAY_COMPAT_RAWKBD		# can get raw scancodes
#
# Hpckbd will set key board layout appropriately. You can use option
# 'PCKBD_LAYOUT' to overrite the default layout.
#
#options 	PCKBD_LAYOUT="(KB_US | KB_SWAPCTRLCAPS | KB_MACHDEP)"

# temporally power management
hpcapm0	at mainbus0			# power management
apmdev0	at hpcapm0			# APM

vrip*	at mainbus0
vrbcu*	at vrip? addr 0x0f000000 size 0x20
vrcmu*	at vrip? addr 0x0f000060 size 0x20
vrrtc*	at vrip? addr 0x0f000100 size 0x20 unit VRRTC

#vrkiu*	at vrip? addr 0x0b000180 size 0x20 unit VRKIU
#hpckbd*	at vrkiu?
com*	at vrip? addr 0x0f000800 size 0x20 unit VRSIU pwctl PWCTL_COM0
vrgiu*	at vrip? addr 0x0f000140 size 0x20 unit VRGIU
vrpmu*	at vrip? addr 0x0f0000c0 size 0x20 unit VRPMU # power switch
#vrdsu*	at vrip? addr 0x0b0000e0 size 0x08
#vrpiu*	at vrip? addr 0x0b000120 size 0x1a0 unit VRPIU
vrled*	at vrip? addr 0x0f000180 size 0x10 unit VRLED
vrpciu*	at vrip? addr 0x0f000c00 size 0x200 unit VRPCIU

# PCI bus support
options 	PCIVERBOSE
pci*	at vrpciu?

# MQ200
#mqvideo0 at pci? dev ? function ?
#hpcfb*		at	mqvideo?

# VRC4173
vrc4173bcu* at pci? dev ? function ?	# VRC4173 BCU
vrkiu* at vrc4173bcu? addr 0x100 size 0x20 unit VRKIU # VRC4173 KIU
hpckbd*	at vrkiu?
vrpiu* at vrc4173bcu? addr 0x0a0 size 0x20 addr2 0x0c0 size2 0x20 unit VRPIU	# VRC4173 PIU

#vrc4173cardu* at pci? dev ? function ?	# VRC4173 CARDU
#pcmcia*	at vrc4173cardu?

# PCI USB controllers
ohci*	at pci?	dev ? function ?	# Open Host Controller
options 	OHCI_DEBUG, USB_DEBUG, UHUB_DEBUG

# USB bus support
usb*	at ohci?

# USB Hubs
uhub*	at usb?
uhub*	at uhub? port ?

# USB HID device
#uhidev*	at uhub? port ? configuration ? interface ?

# USB Mice
#ums*	at uhidev? reportid ?
#wsmouse*	at ums? mux 0

# USB Keyboards
#ukbd*	at uhidev? reportid ?
#wskbd*	at ukbd? console ? mux 1

# USB serial adapter
#ucycom*	at uhidev? reportid ?

# USB Generic HID devices
#uhid*	at uhidev? reportid ?

# USB Printer
#ulpt*	at uhub? port ? configuration ? interface ?

# USB Modem
#umodem*	at uhub? port ? configuration ?
#ucom*	at umodem?

# Option N.V. Wireless WAN modems
#uhso*	at uhub? port ? configuration ?

# USB Mass Storage
#umass*	at uhub? port ? configuration ? interface ?
#atapibus* at umass?
#scsibus* at umass? channel ?

# USB Generic driver
ugen*	at uhub? port ?

# USB Ethernet adapters
aue*	at uhub? port ?		# ADMtek AN986 Pegasus based adapters
#axe*	at uhub? port ?		# ASIX AX88172 based adapters
#url*	at uhub? port ?		# Realtek RTL8150L based adapters

# MII/PHY support
ukphy*	at mii? phy ?			# generic unknown PHYs

options 	MQ200_DEBUG
#options 	MQ200_USECRT
#mqvideo0 at vrip? addr 0x0a000000 size 0x800000	# MQ200 video controller
#hpcfb*		at	mqvideo?

#ite8181video0 at vrip? addr 0x0a000000 size 0x800000 # ITE8181 video controller
#hpcfb*		at	ite8181video?

#vrc4172pwm*	at vrip? addr 0x15003880 size 0x6 platform NEC_MCR_430
#vrc4172pwm*	at vrip? addr 0x15003880 size 0x6 platform NEC_MCR_510
#vrc4172pwm*	at vrip? addr 0x15003880 size 0x6 platform NEC_MCR_520
#vrc4172pwm*	at vrip? addr 0x15003880 size 0x6 platform NEC_MCR_520A
#vrc4172pwm*	at vrip? addr 0x15003880 size 0x6 platform NEC_MCR_530
#vrc4172pwm*	at vrip? addr 0x15003880 size 0x6 platform NEC_MCR_SIGMARION
#vrc4172pwm*	at vrip? addr 0x15003880 size 0x6 platform NEC_MCR_530A
#vrc4172pwm*	at vrip? addr 0x15003880 size 0x6 platform NEC_MCR_700

# Workstation Console attachments
bivideo0	at	mainbus0
hpcfb*		at	bivideo0
wsdisplay*	at	hpcfb?
wskbd*		at	hpckbd? mux 1
wsmouse*	at	vrpiu? mux 0
btnmgr0		at	mainbus0
wskbd*		at	btnmgr0 mux 1

#
# hpcmips isa? bus irq locator means:
#
# 0x0000000f ISA IRQ#
# 0x00ff0000 GPIO port#
# 0x01000000 interrupt signal hold/through	(1:hold/0:though)
# 0x02000000 interrupt detection level		(1:low /0:high	)
# 0x04000000 interrupt detection trigger	(1:edge/0:level	)

#
# MC-R300, MC-R500
# Button to GPIO port # mapping
#  + REC button       : 4
#  + Open/Close button: 6
# (PCIC-ISA : 9)
# (COM power:14)
#
# MC-R510
# Button to GPIO port # mapping
#  + Open/Close button: 3
# (PCIC-ISA : 9)
# (COM power:14)
#
# MC-R530
# Button to GPIO port # mapping
#  + Open/Close button: 3
#  + Application button: 2
# (PCIC-ISA : 9)
# (COM power:46)
#
# MC-R700
# Button to GPIO port # mapping
#  + Open/Close button: 3
# (PCIC-ISA : 9)
# (COM power:46)
#
# MC-CS
# Button to GPIO port # mapping
# (PCIC-ISA : 9)
# (COM power:14)
#
# IBM WorkPad z50
# Button to GPIO port # mapping
#  + REC button       : 1
#  + Application button?      : 2
# (PCIC-ISA : 9)
#
button0 at vrgiu? platform NEC_MCR_3XX id BTN_REC port 4
button0 at vrgiu? platform NEC_MCR_500 id BTN_REC port 4
button0 at vrgiu? platform IBM_WORKPAD id BTN_REC port 1 active 0
button1 at vrgiu? platform NEC_MCR_430 id BTN_COVER port 3
button1 at vrgiu? platform NEC_MCR_510 id BTN_COVER port 3
button1 at vrgiu? platform NEC_MCR_520 id BTN_COVER port 3
#button1 at vrgiu? platform NEC_MCR_520A id BTN_COVER port 3
button1 at vrgiu? platform NEC_MCR_530 id BTN_COVER port 3
#button1 at vrgiu? platform NEC_MCR_530A id BTN_COVER port 3
button1 at vrgiu? platform NEC_MCR_SIGMARION id BTN_COVER port 3
button1 at vrgiu? platform NEC_MCR_7XX id BTN_COVER port 3
button1 at vrgiu? platform NEC_MCR_3XX id BTN_COVER port 6
button1 at vrgiu? platform NEC_MCR_500 id BTN_COVER port 6
button2 at vrgiu? platform NEC_MCR_530 id BTN_APP0  port 2
button2 at vrgiu? platform IBM_WORKPAD id BTN_APP0  port 2 active 0
button3 at vrgiu? platform NEC_MCCS id BTN_LIGHT port 8
pwctl0 at vrgiu? platform NEC_MCR_3XX id PWCTL_COM0 port 14
pwctl0 at vrgiu? platform NEC_MCR_430 id PWCTL_COM0 port 46
pwctl0 at vrgiu? platform NEC_MCR_500 id PWCTL_COM0 port 14
pwctl0 at vrgiu? platform NEC_MCR_530 id PWCTL_COM0 port 46
pwctl0 at vrgiu? platform NEC_MCR_530A id PWCTL_COM0 port 46
#pwctl0 at vrgiu? platform NEC_MCR_SIGMARION id PWCTL_COM0 port 46
pwctl0 at vrgiu? platform NEC_MCR_7XX id PWCTL_COM0 port 46
pwctl0 at vrgiu? platform NEC_MCCS id PWCTL_COM0 port 14
pwctl1 at vrgiu? platform NEC_MCR_300 id PWCTL_LCDLIGHT port 45
pwctl1 at vrgiu? platform NEC_MCR_FORDOCOMO id PWCTL_LCDLIGHT port 45
pwctl1 at vrgiu? platform NEC_MCR_500 id PWCTL_LCDLIGHT port 45
pwctl1 at vrgiu? platform NEC_MCCS id PWCTL_LCDLIGHT port 45
pwctl2 at vrgiu? platform NEC_MCR_300 id PWCTL_LCD port 10
pwctl2 at vrgiu? platform NEC_MCR_FORDOCOMO id PWCTL_LCD port 10
pwctl2 at vrgiu? platform NEC_MCR_500 id PWCTL_LCD port 10
pwctl2 at vrgiu? platform NEC_MCCS id PWCTL_LCD port 10
pwctl3 at vrgiu? platform NEC_MCR_3XX id PWCTL_SPEAKER port 12
pwctl3 at vrgiu? platform NEC_MCR_430 id PWCTL_SPEAKER port 44
pwctl3 at vrgiu? platform NEC_MCR_500 id PWCTL_SPEAKER port 12
pwctl3 at vrgiu? platform NEC_MCR_510 id PWCTL_SPEAKER port 44
pwctl3 at vrgiu? platform NEC_MCR_520 id PWCTL_SPEAKER port 44
#pwctl3 at vrgiu? platform NEC_MCR_520A id PWCTL_SPEAKER port 44
pwctl3 at vrgiu? platform NEC_MCR_530 id PWCTL_SPEAKER port 44
#pwctl3 at vrgiu? platform NEC_MCR_530A id PWCTL_SPEAKER port 44
#pwctl3 at vrgiu? platform NEC_MCR_SIGMARION id PWCTL_SPEAKER port 44
pwctl3 at vrgiu? platform IBM_WORKPAD id PWCTL_SPEAKER port 49
#pwctl4 at vrgiu? platform NEC_MCR_430 id PWCTL_COM1 port 47
#pwctl4 at vrgiu? platform NEC_MCR_530 id PWCTL_COM1 port 47
#pwctl4 at vrgiu? platform NEC_MCR_SIGMARION id PWCTL_COM1 port 47
vrisab0 at vrgiu? platform NEC_MCR
vrisab0 at vrgiu? platform NEC_MCCS
vrisab0 at vrgiu? platform IBM_WORKPAD isaportoffset 0x1000000
isa0	at vrisab0
pcic0	at isa0 port 0x3e0 iomem 0x70000 iosiz 0x4000 irq 0x00090003
#
# Freestyle
# Button to GPIO port # mapping
#    +---------+
# 1 +|         |
#    |         |+ 7
#    |         |
#20 +|   LCD   |+ 4
#    |         | + 6
# 8 +|         |+ 5
#    |         |
#    |         |+----Power On/Off (connected to PMU)
#    +---------+
#          +9
#        +12 +10
#          +11
# (PCIC-ISA : 23)
button0 at vrgiu? platform EVEREX_FREESTYLE id BTN_APP0 port 9
button1 at vrgiu? platform EVEREX_FREESTYLE id BTN_APP1 port 10
button2 at vrgiu? platform EVEREX_FREESTYLE id BTN_APP2 port 11
button3 at vrgiu? platform EVEREX_FREESTYLE id BTN_APP3 port 12
button4 at vrgiu? platform EVEREX_FREESTYLE id BTN_CANCEL port 7
button5 at vrgiu? platform EVEREX_FREESTYLE id BTN_UP port 4
button6 at vrgiu? platform EVEREX_FREESTYLE id BTN_OK port 6
button7 at vrgiu? platform EVEREX_FREESTYLE id BTN_DOWN port 5
button8 at vrgiu? platform EVEREX_FREESTYLE id BTN_REC port 1
button9 at vrgiu? platform EVEREX_FREESTYLE id BTN_LIGHT port 20
button10 at vrgiu? platform EVEREX_FREESTYLE id BTN_CONTRAST port 8
vrisab1 at vrgiu? platform EVEREX_FREESTYLE isaportoffset 0x1000000
isa1	at vrisab1
pcic0	at isa1 port 0x3e0 iomem 0x70000 iosiz 0x4000 irq 0x00170003

options 	PCIC_ISA_INTR_ALLOC_MASK=0x0008 # IRQ 3 only (MCR/Freestyle)

#
# Fujitsu INTERTOP CX300
#
pwctl0	at vrgiu? platform FUJITSU_INTERTOP id PWCTL_COM0 port 15
vrisab2 at vrgiu? platform FUJITSU_INTERTOP isaportoffset 0x1000000
isa2	at vrisab2
pcic0	at isa2 port 0x3e0 iomem 0x70000 iosiz 0x4000 irq 0x00060003

#
# Vadem Clio and Sharp Tripad
#
vrisab3	at vrgiu? platform SHARP_TRIPAD isaportoffset 0x0
vrisab3	at vrgiu? platform VADEM_CLIO_C isaportoffset 0x0
isa3	at vrisab3
pcic0	at isa3 port 0x3e0 iomem 0x70000 iosiz 0x4000 irq 0x000d0003

#
# CASIO CASSIOPEIA E55 and for DoCoMo
#
button0	at vrgiu? platform CASIO_CASSIOPEIAE_E55 id BTN_OK active 0 port 6
button1	at vrgiu? platform CASIO_CASSIOPEIAE_E55 id BTN_CANCEL active 0 port 7
button2	at vrgiu? platform CASIO_CASSIOPEIAE_E55 id BTN_APP0 active 0 port 8
button3	at vrgiu? platform CASIO_CASSIOPEIAE_E55 id BTN_APP1 active 0 port 9
button4	at vrgiu? platform CASIO_CASSIOPEIAE_E55 id BTN_APP2 active 0 port 10
button5	at vrgiu? platform CASIO_CASSIOPEIAE_E55 id BTN_APP3 active 0 port 11
button6	at vrgiu? platform CASIO_CASSIOPEIAE_E55 id BTN_DOWN active 0 port 12
button7	at vrgiu? platform CASIO_CASSIOPEIAE_E55 id BTN_UP active 0 port 13
pwctl0	at vrgiu? platform CASIO_CASSIOPEIAE_E55 id PWCTL_COM0 port 38
pwctl1	at vrgiu? platform CASIO_CASSIOPEIAE_E55 id PWCTL_LCDLIGHT port 26

# 'CF hack' for all CASSIOPEIA E series
vrisab4	at vrgiu? platform CASIO_CASSIOPEIAE_EXX isaportoffset 0xc000
vrisab4	at vrgiu? platform CASIO_CASSIOPEIAE_EXXX isaportoffset 0xc000
isa4	at vrisab4
wdc0	at isa4 port 0x170 irq 0x02000003 flags 0x0002	# single drive

#
# Fujitsu PenCentra 130
#
vrc4172gpio0 at vrgiu? platform FUJITSU_PENCENTRA_130 addr 0x15001080 size 0x4a port 10
vrisab5	at vrc4172gpio0 isaportoffset 0x1000000
isa5	at vrisab5
pcic0	at isa5 port 0x3e0 iomem 0x70000 iosiz 0x4000 irq 0x00010003

#
# SigmarionII
#
com*	at vrgiu? platform NEC_MCR_SIGMARION2 addr 0x0b600000 port 8
vrisab6	at vrgiu? platform NEC_MCR_SIGMARION2 isaportoffset 0xf780f800
isa6	at vrisab6
ne*	at isa6 port 0x300 irq  0x00090003 # port 9, active high and thorough
#wdc*	at isa6 port 0x170 irq 0x00090003 flags 0x0002  # single drive
hpcioman6 at vrgiu? platform NEC_MCR_SIGMARION2
hpcin*	at hpcioman6 evtype PCIINTR id PCIINTR_00_12_00 port 0 level 1 connect 1

#
# MP-C303/304
#
hpcioman7 at vrgiu? platform VICTOR_INTERLINK_MPC303
hpcioman7 at vrgiu? platform VICTOR_INTERLINK_MPC304
hpcin*	at hpcioman7 evtype PCIINTR id PCIINTR_00_19_00 port 1 level 0 hold 1 connect 1

# PCMCIA bus support
pcmcia*	at pcic? controller 0 socket ?

# PCMCIA IDE disk
wdc*	at pcmcia? function ?

# ATA (IDE) bus support
atabus* at ata?

# IDE drives
wd*	at atabus? drive ? flags 0x0000

# PCMCIA network interfaces
ep*	at pcmcia? function ?		# 3Com 3c589 and 3c562 Ethernet
mbe*	at pcmcia? function ?		# MB8696x based Ethernet
ne*	at pcmcia? function ?		# NE2000-compatible Ethernet
ray*	at pcmcia? function ?		# Raytheon Raylink (802.11)
sm*	at pcmcia? function ?		# Megahertz Ethernet
wi*	at pcmcia? function ?		# Lucent WaveLan IEEE (802.11)
awi*	at pcmcia? function ?		# WLI-PCM
an*	at pcmcia? function ?		# Aironet PC4500/PC4800 (802.11)

# PCMCIA Serial interfaces
com*	at pcmcia? function ?		# Modems and serial cards

# PCMCIA SCSI interfaces
aic*	at pcmcia? function ?
esp*	at pcmcia? function ?		# NCR53c406 SCSI

# ATAPI bus support
atapibus* at atapi?
cd*	at atapibus? drive ? flags 0x0000 # ATAPI CD-ROM drives
sd*	at atapibus? drive ? flags 0x0000 # ATAPI disk drives

# SCSI bus support
scsibus* at aic?
scsibus* at esp?
sd*	at scsibus? target ? lun ?	# SCSI disk drives
cd*	at scsibus? target ? lun ?	# SCSI CD-ROM drives

pseudo-device	loop			# network loopback
pseudo-device	ppp			# serial-line IP ports
pseudo-device	pty			# pseudo-terminals
pseudo-device	bpfilter		# packet filter ports
pseudo-device	ipfilter		# IP filter, NAT

pseudo-device	vnd			# virtual disk ick
#pseudo-device	ccd			# concatenated disks
pseudo-device	clockctl		# user control of clock subsystem

pseudo-device	biconsdev	1	# build-in console device
pseudo-device	wsmux			# mouse & keyboard multiplexor
options 	MEMORY_DISK_HOOKS
options 	MEMORY_DISK_IS_ROOT	# force root on memory disk
options 	MEMORY_DISK_SERVER=0	# no userspace memory disk support
options 	MEMORY_DISK_DYNAMIC	# fs image don't exist in data section.
options 	MEMORY_DISK_RBFLAGS=RB_SINGLE	# boot in single-user mode

pseudo-device	md			# memory disk device (ramdisk)

#pseudo-device	raid			# RAIDframe disk driver
#options 	RAID_AUTOCONFIG		# auto-configuration of RAID components
#pseudo-device	fss			# file system snapshot device

# for IPv6
pseudo-device	gif			# IPv[46] over IPv[46] tunnel (RFC1933)
#pseudo-device	faith			# IPv[46] tcp relay translation i/f
pseudo-device	stf			# 6to4 IPv6 over IPv4 encapsulation

## IEEE 802.1Q Virtual LAN encapsulation, see vlan(4).
pseudo-device	vlan