freebsd-nq/sys/conf/NOTES
Warner Losh c0c703342d pccard: remove pccard device from all kernels
All the PC Card drivers have been removed from the tree. Remove the
pccard drivers from all the kernels.

Sponsored by:		Netflix
2021-07-13 20:39:31 -06:00

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# $FreeBSD$
#
# NOTES -- Lines that can be cut/pasted into kernel and hints configs.
#
# Lines that begin with 'device', 'options', 'machine', 'ident', 'maxusers',
# 'makeoptions', 'hints', etc. go into the kernel configuration that you
# run config(8) with.
#
# Lines that begin with 'envvar hint.' should go into your hints file.
# See /boot/device.hints and/or the 'hints' config(8) directive.
#
# Please use ``make LINT'' to create an old-style LINT file if you want to
# do kernel test-builds.
#
# This file contains machine independent kernel configuration notes. For
# machine dependent notes, look in /sys/<arch>/conf/NOTES.
#
#
# NOTES conventions and style guide:
#
# Large block comments should begin and end with a line containing only a
# comment character.
#
# To describe a particular object, a block comment (if it exists) should
# come first. Next should come device, options, and hints lines in that
# order. All device and option lines must be described by a comment that
# doesn't just expand the device or option name. Use only a concise
# comment on the same line if possible. Very detailed descriptions of
# devices and subsystems belong in man pages.
#
# A space followed by a tab separates 'options' from an option name. Two
# spaces followed by a tab separate 'device' from a device name. Comments
# after an option or device should use one space after the comment character.
# To comment out a negative option that disables code and thus should not be
# enabled for LINT builds, precede 'options' with "#!".
#
#
# This is the ``identification'' of the kernel. Usually this should
# be the same as the name of your kernel.
#
ident LINT
#
# The `maxusers' parameter controls the static sizing of a number of
# internal system tables by a formula defined in subr_param.c.
# Omitting this parameter or setting it to 0 will cause the system to
# auto-size based on physical memory.
#
maxusers 10
# To statically compile in device wiring instead of /boot/device.hints
#hints "LINT.hints" # Default places to look for devices.
# Use the following to compile in values accessible to the kernel
# through getenv() (or kenv(1) in userland). The format of the file
# is 'variable=value', see kenv(1)
#
#env "LINT.env"
#
# The `makeoptions' parameter allows variables to be passed to the
# generated Makefile in the build area.
#
# CONF_CFLAGS gives some extra compiler flags that are added to ${CFLAGS}
# after most other flags. Here we use it to inhibit use of non-optimal
# gcc built-in functions (e.g., memcmp).
#
# DEBUG happens to be magic.
# The following is equivalent to 'config -g KERNELNAME' and creates
# 'kernel.debug' compiled with -g debugging as well as a normal
# 'kernel'. Use 'make install.debug' to install the debug kernel
# but that isn't normally necessary as the debug symbols are not loaded
# by the kernel and are not useful there anyway.
#
# KERNEL can be overridden so that you can change the default name of your
# kernel.
#
# MODULES_OVERRIDE can be used to limit modules built to a specific list.
#
makeoptions CONF_CFLAGS=-fno-builtin #Don't allow use of memcmp, etc.
#makeoptions DEBUG=-g #Build kernel with gdb(1) debug symbols
#makeoptions KERNEL=foo #Build kernel "foo" and install "/foo"
# Only build ext2fs module plus those parts of the sound system I need.
#makeoptions MODULES_OVERRIDE="ext2fs sound/sound sound/driver/maestro3"
makeoptions DESTDIR=/tmp
#
# FreeBSD processes are subject to certain limits to their consumption
# of system resources. See getrlimit(2) for more details. Each
# resource limit has two values, a "soft" limit and a "hard" limit.
# The soft limits can be modified during normal system operation, but
# the hard limits are set at boot time. Their default values are
# in sys/<arch>/include/vmparam.h. There are two ways to change them:
#
# 1. Set the values at kernel build time. The options below are one
# way to allow that limit to grow to 1GB. They can be increased
# further by changing the parameters:
#
# 2. In /boot/loader.conf, set the tunables kern.maxswzone,
# kern.maxbcache, kern.maxtsiz, kern.dfldsiz, kern.maxdsiz,
# kern.dflssiz, kern.maxssiz and kern.sgrowsiz.
#
# The options in /boot/loader.conf override anything in the kernel
# configuration file. See the function init_param1 in
# sys/kern/subr_param.c for more details.
#
options MAXDSIZ=(1024UL*1024*1024)
options MAXSSIZ=(128UL*1024*1024)
options DFLDSIZ=(1024UL*1024*1024)
#
# BLKDEV_IOSIZE sets the default block size used in user block
# device I/O. Note that this value will be overridden by the label
# when specifying a block device from a label with a non-0
# partition blocksize. The default is PAGE_SIZE.
#
options BLKDEV_IOSIZE=8192
#
# MAXPHYS and DFLTPHYS
#
# These are the maximal and safe 'raw' I/O block device access sizes.
# Reads and writes will be split into MAXPHYS chunks for known good
# devices and DFLTPHYS for the rest. Some applications have better
# performance with larger raw I/O access sizes. Note that certain VM
# parameters are derived from these values and making them too large
# can make an unbootable kernel.
#
# The defaults are 64K and 128K respectively.
options DFLTPHYS=(64*1024)
options MAXPHYS=(128*1024)
# This allows you to actually store this configuration file into
# the kernel binary itself. See config(8) for more details.
#
options INCLUDE_CONFIG_FILE # Include this file in kernel
#
# Compile-time defaults for various boot parameters
#
options BOOTVERBOSE=1
options BOOTHOWTO=RB_MULTIPLE
#
# Compile-time defaults for dmesg boot tagging
#
# Default boot tag; may use 'kern.boot_tag' loader tunable to override. The
# current boot's tag is also exposed via the 'kern.boot_tag' sysctl.
options BOOT_TAG=\"\"
# Maximum boot tag size the kernel's static buffer should accomodate. Maximum
# size for both BOOT_TAG and the assocated tunable.
options BOOT_TAG_SZ=32
options GEOM_BDE # Disk encryption.
options GEOM_CACHE # Disk cache.
options GEOM_CONCAT # Disk concatenation.
options GEOM_ELI # Disk encryption.
options GEOM_GATE # Userland services.
options GEOM_JOURNAL # Journaling.
options GEOM_LABEL # Providers labelization.
options GEOM_LINUX_LVM # Linux LVM2 volumes
options GEOM_MAP # Map based partitioning
options GEOM_MIRROR # Disk mirroring.
options GEOM_MULTIPATH # Disk multipath
options GEOM_NOP # Test class.
options GEOM_PART_APM # Apple partitioning
options GEOM_PART_BSD # BSD disklabel
options GEOM_PART_BSD64 # BSD disklabel64
options GEOM_PART_EBR # Extended Boot Records
options GEOM_PART_GPT # GPT partitioning
options GEOM_PART_LDM # Logical Disk Manager
options GEOM_PART_MBR # MBR partitioning
options GEOM_PART_VTOC8 # SMI VTOC8 disk label
options GEOM_RAID # Soft RAID functionality.
options GEOM_RAID3 # RAID3 functionality.
options GEOM_SHSEC # Shared secret.
options GEOM_STRIPE # Disk striping.
options GEOM_UZIP # Read-only compressed disks
options GEOM_VINUM # Vinum logical volume manager
options GEOM_VIRSTOR # Virtual storage.
options GEOM_ZERO # Performance testing helper.
#
# The root device and filesystem type can be compiled in;
# this provides a fallback option if the root device cannot
# be correctly guessed by the bootstrap code, or an override if
# the RB_DFLTROOT flag (-r) is specified when booting the kernel.
#
options ROOTDEVNAME=\"ufs:da0s2e\"
#####################################################################
# Scheduler options:
#
# Specifying one of SCHED_4BSD or SCHED_ULE is mandatory. These options
# select which scheduler is compiled in.
#
# SCHED_4BSD is the historical, proven, BSD scheduler. It has a global run
# queue and no CPU affinity which makes it suboptimal for SMP. It has very
# good interactivity and priority selection.
#
# SCHED_ULE provides significant performance advantages over 4BSD on many
# workloads on SMP machines. It supports cpu-affinity, per-cpu runqueues
# and scheduler locks. It also has a stronger notion of interactivity
# which leads to better responsiveness even on uniprocessor machines. This
# is the default scheduler.
#
# SCHED_STATS is a debugging option which keeps some stats in the sysctl
# tree at 'kern.sched.stats' and is useful for debugging scheduling decisions.
#
options SCHED_4BSD
options SCHED_STATS
#options SCHED_ULE
#####################################################################
# SMP OPTIONS:
#
# SMP enables building of a Symmetric MultiProcessor Kernel.
# Mandatory:
options SMP # Symmetric MultiProcessor Kernel
# EARLY_AP_STARTUP releases the Application Processors earlier in the
# kernel startup process (before devices are probed) rather than at the
# end. This is a temporary option for use during the transition from
# late to early AP startup.
options EARLY_AP_STARTUP
# MAXCPU defines the maximum number of CPUs that can boot in the system.
# A default value should be already present, for every architecture.
options MAXCPU=32
# NUMA enables use of Non-Uniform Memory Access policies in various kernel
# subsystems.
options NUMA
# MAXMEMDOM defines the maximum number of memory domains that can boot in the
# system. A default value should already be defined by every architecture.
options MAXMEMDOM=2
# ADAPTIVE_MUTEXES changes the behavior of blocking mutexes to spin
# if the thread that currently owns the mutex is executing on another
# CPU. This behavior is enabled by default, so this option can be used
# to disable it.
options NO_ADAPTIVE_MUTEXES
# ADAPTIVE_RWLOCKS changes the behavior of reader/writer locks to spin
# if the thread that currently owns the rwlock is executing on another
# CPU. This behavior is enabled by default, so this option can be used
# to disable it.
options NO_ADAPTIVE_RWLOCKS
# ADAPTIVE_SX changes the behavior of sx locks to spin if the thread that
# currently owns the sx lock is executing on another CPU.
# This behavior is enabled by default, so this option can be used to
# disable it.
options NO_ADAPTIVE_SX
# MUTEX_NOINLINE forces mutex operations to call functions to perform each
# operation rather than inlining the simple cases. This can be used to
# shrink the size of the kernel text segment. Note that this behavior is
# already implied by the INVARIANT_SUPPORT, INVARIANTS, KTR, LOCK_PROFILING,
# and WITNESS options.
options MUTEX_NOINLINE
# RWLOCK_NOINLINE forces rwlock operations to call functions to perform each
# operation rather than inlining the simple cases. This can be used to
# shrink the size of the kernel text segment. Note that this behavior is
# already implied by the INVARIANT_SUPPORT, INVARIANTS, KTR, LOCK_PROFILING,
# and WITNESS options.
options RWLOCK_NOINLINE
# SX_NOINLINE forces sx lock operations to call functions to perform each
# operation rather than inlining the simple cases. This can be used to
# shrink the size of the kernel text segment. Note that this behavior is
# already implied by the INVARIANT_SUPPORT, INVARIANTS, KTR, LOCK_PROFILING,
# and WITNESS options.
options SX_NOINLINE
# SMP Debugging Options:
#
# CALLOUT_PROFILING enables rudimentary profiling of the callwheel data
# structure used as backend in callout(9).
# PREEMPTION allows the threads that are in the kernel to be preempted by
# higher priority [interrupt] threads. It helps with interactivity
# and allows interrupt threads to run sooner rather than waiting.
# WARNING! Only tested on amd64 and i386.
# FULL_PREEMPTION instructs the kernel to preempt non-realtime kernel
# threads. Its sole use is to expose race conditions and other
# bugs during development. Enabling this option will reduce
# performance and increase the frequency of kernel panics by
# design. If you aren't sure that you need it then you don't.
# Relies on the PREEMPTION option. DON'T TURN THIS ON.
# SLEEPQUEUE_PROFILING enables rudimentary profiling of the hash table
# used to hold active sleep queues as well as sleep wait message
# frequency.
# TURNSTILE_PROFILING enables rudimentary profiling of the hash table
# used to hold active lock queues.
# UMTX_PROFILING enables rudimentary profiling of the hash table used
# to hold active lock queues.
# WITNESS enables the witness code which detects deadlocks and cycles
# during locking operations.
# WITNESS_KDB causes the witness code to drop into the kernel debugger if
# a lock hierarchy violation occurs or if locks are held when going to
# sleep.
# WITNESS_SKIPSPIN disables the witness checks on spin mutexes.
options PREEMPTION
options FULL_PREEMPTION
options WITNESS
options WITNESS_KDB
options WITNESS_SKIPSPIN
# LOCK_PROFILING - Profiling locks. See LOCK_PROFILING(9) for details.
options LOCK_PROFILING
# Set the number of buffers and the hash size. The hash size MUST be larger
# than the number of buffers. Hash size should be prime.
options MPROF_BUFFERS="1536"
options MPROF_HASH_SIZE="1543"
# Profiling for the callout(9) backend.
options CALLOUT_PROFILING
# Profiling for internal hash tables.
options SLEEPQUEUE_PROFILING
options TURNSTILE_PROFILING
options UMTX_PROFILING
#####################################################################
# COMPATIBILITY OPTIONS
# Old tty interface.
options COMPAT_43TTY
# Note that as a general rule, COMPAT_FREEBSD<n> depends on
# COMPAT_FREEBSD<n+1>, COMPAT_FREEBSD<n+2>, etc.
# Enable FreeBSD4 compatibility syscalls
options COMPAT_FREEBSD4
# Enable FreeBSD5 compatibility syscalls
options COMPAT_FREEBSD5
# Enable FreeBSD6 compatibility syscalls
options COMPAT_FREEBSD6
# Enable FreeBSD7 compatibility syscalls
options COMPAT_FREEBSD7
# Enable FreeBSD9 compatibility syscalls
options COMPAT_FREEBSD9
# Enable FreeBSD10 compatibility syscalls
options COMPAT_FREEBSD10
# Enable FreeBSD11 compatibility syscalls
options COMPAT_FREEBSD11
# Enable FreeBSD12 compatibility syscalls
options COMPAT_FREEBSD12
# Enable Linux Kernel Programming Interface
options COMPAT_LINUXKPI
#
# These three options provide support for System V Interface
# Definition-style interprocess communication, in the form of shared
# memory, semaphores, and message queues, respectively.
#
options SYSVSHM
options SYSVSEM
options SYSVMSG
#####################################################################
# DEBUGGING OPTIONS
#
# Compile with kernel debugger related code.
#
options KDB
#
# Print a stack trace of the current thread on the console for a panic.
#
options KDB_TRACE
#
# Don't enter the debugger for a panic. Intended for unattended operation
# where you may want to enter the debugger from the console, but still want
# the machine to recover from a panic.
#
options KDB_UNATTENDED
#
# Enable the ddb debugger backend.
#
options DDB
#
# Print the numerical value of symbols in addition to the symbolic
# representation.
#
options DDB_NUMSYM
#
# Enable the remote gdb debugger backend.
#
options GDB
#
# Trashes list pointers when they become invalid (i.e., the element is
# removed from a list). Relatively inexpensive to enable.
#
options QUEUE_MACRO_DEBUG_TRASH
#
# Stores information about the last caller to modify the list object
# in the list object. Requires additional memory overhead.
#
#options QUEUE_MACRO_DEBUG_TRACE
#
# SYSCTL_DEBUG enables a 'sysctl' debug tree that can be used to dump the
# contents of the registered sysctl nodes on the console. It is disabled by
# default because it generates excessively verbose console output that can
# interfere with serial console operation.
#
options SYSCTL_DEBUG
#
# Enable textdump by default, this disables kernel core dumps.
#
options TEXTDUMP_PREFERRED
#
# Enable extra debug messages while performing textdumps.
#
options TEXTDUMP_VERBOSE
#
# NO_SYSCTL_DESCR omits the sysctl node descriptions to save space in the
# resulting kernel.
options NO_SYSCTL_DESCR
#
# MALLOC_DEBUG_MAXZONES enables multiple uma zones for malloc(9)
# allocations that are smaller than a page. The purpose is to isolate
# different malloc types into hash classes, so that any buffer
# overruns or use-after-free will usually only affect memory from
# malloc types in that hash class. This is purely a debugging tool;
# by varying the hash function and tracking which hash class was
# corrupted, the intersection of the hash classes from each instance
# will point to a single malloc type that is being misused. At this
# point inspection or memguard(9) can be used to catch the offending
# code.
#
options MALLOC_DEBUG_MAXZONES=8
#
# DEBUG_MEMGUARD builds and enables memguard(9), a replacement allocator
# for the kernel used to detect modify-after-free scenarios. See the
# memguard(9) man page for more information on usage.
#
options DEBUG_MEMGUARD
#
# DEBUG_REDZONE enables buffer underflows and buffer overflows detection for
# malloc(9).
#
options DEBUG_REDZONE
#
# EARLY_PRINTF enables support for calling a special printf (eprintf)
# very early in the kernel (before cn_init() has been called). This
# should only be used for debugging purposes early in boot. Normally,
# it is not defined. It is commented out here because this feature
# isn't generally available. And the required eputc() isn't defined.
#
#options EARLY_PRINTF
#
# KTRACE enables the system-call tracing facility ktrace(2). To be more
# SMP-friendly, KTRACE uses a worker thread to process most trace events
# asynchronously to the thread generating the event. This requires a
# pre-allocated store of objects representing trace events. The
# KTRACE_REQUEST_POOL option specifies the initial size of this store.
# The size of the pool can be adjusted both at boottime and runtime via
# the kern.ktrace_request_pool tunable and sysctl.
#
options KTRACE #kernel tracing
options KTRACE_REQUEST_POOL=101
#
# KTR is a kernel tracing facility imported from BSD/OS. It is
# enabled with the KTR option. KTR_ENTRIES defines the number of
# entries in the circular trace buffer; it may be an arbitrary number.
# KTR_BOOT_ENTRIES defines the number of entries during the early boot,
# before malloc(9) is functional.
# KTR_COMPILE defines the mask of events to compile into the kernel as
# defined by the KTR_* constants in <sys/ktr.h>. KTR_MASK defines the
# initial value of the ktr_mask variable which determines at runtime
# what events to trace. KTR_CPUMASK determines which CPU's log
# events, with bit X corresponding to CPU X. The layout of the string
# passed as KTR_CPUMASK must match a series of bitmasks each of them
# separated by the "," character (ie:
# KTR_CPUMASK=0xAF,0xFFFFFFFFFFFFFFFF). KTR_VERBOSE enables
# dumping of KTR events to the console by default. This functionality
# can be toggled via the debug.ktr_verbose sysctl and defaults to off
# if KTR_VERBOSE is not defined. See ktr(4) and ktrdump(8) for details.
#
options KTR
options KTR_BOOT_ENTRIES=1024
options KTR_ENTRIES=(128*1024)
options KTR_COMPILE=(KTR_ALL)
options KTR_MASK=KTR_INTR
options KTR_CPUMASK=0x3
options KTR_VERBOSE
#
# ALQ(9) is a facility for the asynchronous queuing of records from the kernel
# to a vnode, and is employed by services such as ktr(4) to produce trace
# files based on a kernel event stream. Records are written asynchronously
# in a worker thread.
#
options ALQ
options KTR_ALQ
#
# The INVARIANTS option is used in a number of source files to enable
# extra sanity checking of internal structures. This support is not
# enabled by default because of the extra time it would take to check
# for these conditions, which can only occur as a result of
# programming errors.
#
options INVARIANTS
#
# The INVARIANT_SUPPORT option makes us compile in support for
# verifying some of the internal structures. It is a prerequisite for
# 'INVARIANTS', as enabling 'INVARIANTS' will make these functions be
# called. The intent is that you can set 'INVARIANTS' for single
# source files (by changing the source file or specifying it on the
# command line) if you have 'INVARIANT_SUPPORT' enabled. Also, if you
# wish to build a kernel module with 'INVARIANTS', then adding
# 'INVARIANT_SUPPORT' to your kernel will provide all the necessary
# infrastructure without the added overhead.
#
options INVARIANT_SUPPORT
#
# The KASSERT_PANIC_OPTIONAL option allows kasserts to fire without
# necessarily inducing a panic. Panic is the default behavior, but
# runtime options can configure it either entirely off, or off with a
# limit.
#
options KASSERT_PANIC_OPTIONAL
#
# The DIAGNOSTIC option is used to enable extra debugging information
# and invariants checking. The added checks are too expensive or noisy
# for an INVARIANTS kernel and thus are disabled by default. It is
# expected that a kernel configured with DIAGNOSTIC will also have the
# INVARIANTS option enabled.
#
options DIAGNOSTIC
#
# REGRESSION causes optional kernel interfaces necessary only for regression
# testing to be enabled. These interfaces may constitute security risks
# when enabled, as they permit processes to easily modify aspects of the
# run-time environment to reproduce unlikely or unusual (possibly normally
# impossible) scenarios.
#
options REGRESSION
#
# This option lets some drivers co-exist that can't co-exist in a running
# system. This is used to be able to compile all kernel code in one go for
# quality assurance purposes (like this file, which the option takes it name
# from.)
#
options COMPILING_LINT
#
# STACK enables the stack(9) facility, allowing the capture of kernel stack
# for the purpose of procinfo(1), etc. stack(9) will also be compiled in
# automatically if DDB(4) is compiled into the kernel.
#
options STACK
#
# The NUM_CORE_FILES option specifies the limit for the number of core
# files generated by a particular process, when the core file format
# specifier includes the %I pattern. Since we only have 1 character for
# the core count in the format string, meaning the range will be 0-9, the
# maximum value allowed for this option is 10.
# This core file limit can be adjusted at runtime via the debug.ncores
# sysctl.
#
options NUM_CORE_FILES=5
#
# The TSLOG option enables timestamped logging of events, especially
# function entries/exits, in order to track the time spent by the kernel.
# In particular, this is useful when investigating the early boot process,
# before it is possible to use more sophisticated tools like DTrace.
# The TSLOGSIZE option controls the size of the (preallocated, fixed
# length) buffer used for storing these events (default: 262144 records).
#
# For security reasons the TSLOG option should not be enabled on systems
# used in production.
#
options TSLOG
options TSLOGSIZE=262144
#####################################################################
# PERFORMANCE MONITORING OPTIONS
#
# The hwpmc driver that allows the use of in-CPU performance monitoring
# counters for performance monitoring. The base kernel needs to be configured
# with the 'options' line, while the hwpmc device can be either compiled
# in or loaded as a loadable kernel module.
#
# Additional configuration options may be required on specific architectures,
# please see hwpmc(4).
device hwpmc # Driver (also a loadable module)
options HWPMC_DEBUG
options HWPMC_HOOKS # Other necessary kernel hooks
#####################################################################
# NETWORKING OPTIONS
#
# Protocol families
#
options INET #Internet communications protocols
options INET6 #IPv6 communications protocols
options RATELIMIT # TX rate limiting support
options ROUTETABLES=2 # allocated fibs up to 65536. default is 1.
# but that would be a bad idea as they are large.
options TCP_OFFLOAD # TCP offload support.
options TCP_RFC7413 # TCP Fast Open
options TCPHPTS
# In order to enable IPSEC you MUST also add device crypto to
# your kernel configuration
options IPSEC #IP security (requires device crypto)
# Option IPSEC_SUPPORT does not enable IPsec, but makes it possible to
# load it as a kernel module. You still MUST add device crypto to your kernel
# configuration.
options IPSEC_SUPPORT
#options IPSEC_DEBUG #debug for IP security
# TLS framing and encryption/decryption of data over TCP sockets.
options KERN_TLS # TLS transmit and receive offload
#
# SMB/CIFS requester
# NETSMB enables support for SMB protocol, it requires LIBMCHAIN and LIBICONV
# options.
options NETSMB #SMB/CIFS requester
# mchain library. It can be either loaded as KLD or compiled into kernel
options LIBMCHAIN
# libalias library, performing NAT
options LIBALIAS
#
# SCTP is a NEW transport protocol defined by
# RFC2960 updated by RFC3309 and RFC3758.. and
# soon to have a new base RFC and many many more
# extensions. This release supports all the extensions
# including many drafts (most about to become RFC's).
# It is the reference implementation of SCTP
# and is quite well tested.
#
# Note YOU MUST have both INET and INET6 defined.
# You don't have to enable V6, but SCTP is
# dual stacked and so far we have not torn apart
# the V6 and V4.. since an association can span
# both a V6 and V4 address at the SAME time :-)
#
# The SCTP_SUPPORT option does not enable SCTP, but provides the necessary
# support for loading SCTP as a loadable kernel module.
#
options SCTP
options SCTP_SUPPORT
# There are bunches of options:
# this one turns on all sorts of
# nastily printing that you can
# do. It's all controlled by a
# bit mask (settable by socket opt and
# by sysctl). Including will not cause
# logging until you set the bits.. but it
# can be quite verbose.. so without this
# option we don't do any of the tests for
# bits and prints.. which makes the code run
# faster.. if you are not debugging don't use.
options SCTP_DEBUG
#
# All that options after that turn on specific types of
# logging. You can monitor CWND growth, flight size
# and all sorts of things. Go look at the code and
# see. I have used this to produce interesting
# charts and graphs as well :->
#
# I have not yet committed the tools to get and print
# the logs, I will do that eventually .. before then
# if you want them send me an email rrs@freebsd.org
# You basically must have ktr(4) enabled for these
# and you then set the sysctl to turn on/off various
# logging bits. Use ktrdump(8) to pull the log and run
# it through a display program.. and graphs and other
# things too.
#
options SCTP_LOCK_LOGGING
options SCTP_MBUF_LOGGING
options SCTP_MBCNT_LOGGING
options SCTP_PACKET_LOGGING
options SCTP_LTRACE_CHUNKS
options SCTP_LTRACE_ERRORS
# altq(9). Enable the base part of the hooks with the ALTQ option.
# Individual disciplines must be built into the base system and can not be
# loaded as modules at this point. ALTQ requires a stable TSC so if yours is
# broken or changes with CPU throttling then you must also have the ALTQ_NOPCC
# option.
options ALTQ
options ALTQ_CBQ # Class Based Queueing
options ALTQ_RED # Random Early Detection
options ALTQ_RIO # RED In/Out
options ALTQ_CODEL # CoDel Active Queueing
options ALTQ_HFSC # Hierarchical Packet Scheduler
options ALTQ_FAIRQ # Fair Packet Scheduler
options ALTQ_CDNR # Traffic conditioner
options ALTQ_PRIQ # Priority Queueing
options ALTQ_NOPCC # Required if the TSC is unusable
options ALTQ_DEBUG
# netgraph(4). Enable the base netgraph code with the NETGRAPH option.
# Individual node types can be enabled with the corresponding option
# listed below; however, this is not strictly necessary as netgraph
# will automatically load the corresponding KLD module if the node type
# is not already compiled into the kernel. Each type below has a
# corresponding man page, e.g., ng_async(8).
options NETGRAPH # netgraph(4) system
options NETGRAPH_DEBUG # enable extra debugging, this
# affects netgraph(4) and nodes
# Node types
options NETGRAPH_ASYNC
options NETGRAPH_ATMLLC
options NETGRAPH_ATM_ATMPIF
options NETGRAPH_BLUETOOTH # ng_bluetooth(4)
options NETGRAPH_BLUETOOTH_HCI # ng_hci(4)
options NETGRAPH_BLUETOOTH_L2CAP # ng_l2cap(4)
options NETGRAPH_BLUETOOTH_SOCKET # ng_btsocket(4)
options NETGRAPH_BLUETOOTH_UBT # ng_ubt(4)
options NETGRAPH_BLUETOOTH_UBTBCMFW # ubtbcmfw(4)
options NETGRAPH_BPF
options NETGRAPH_BRIDGE
options NETGRAPH_CAR
options NETGRAPH_CHECKSUM
options NETGRAPH_CISCO
options NETGRAPH_DEFLATE
options NETGRAPH_DEVICE
options NETGRAPH_ECHO
options NETGRAPH_EIFACE
options NETGRAPH_ETHER
options NETGRAPH_FRAME_RELAY
options NETGRAPH_GIF
options NETGRAPH_GIF_DEMUX
options NETGRAPH_HOLE
options NETGRAPH_IFACE
options NETGRAPH_IP_INPUT
options NETGRAPH_IPFW
options NETGRAPH_KSOCKET
options NETGRAPH_L2TP
options NETGRAPH_LMI
options NETGRAPH_MPPC_COMPRESSION
options NETGRAPH_MPPC_ENCRYPTION
options NETGRAPH_NETFLOW
options NETGRAPH_NAT
options NETGRAPH_ONE2MANY
options NETGRAPH_PATCH
options NETGRAPH_PIPE
options NETGRAPH_PPP
options NETGRAPH_PPPOE
options NETGRAPH_PPTPGRE
options NETGRAPH_PRED1
options NETGRAPH_RFC1490
options NETGRAPH_SOCKET
options NETGRAPH_SPLIT
options NETGRAPH_SPPP
options NETGRAPH_TAG
options NETGRAPH_TCPMSS
options NETGRAPH_TEE
options NETGRAPH_UI
options NETGRAPH_VJC
options NETGRAPH_VLAN
# NgATM - Netgraph ATM
options NGATM_ATM
options NGATM_ATMBASE
options NGATM_SSCOP
options NGATM_SSCFU
options NGATM_UNI
options NGATM_CCATM
# Network stack virtualization.
options VIMAGE
options VNET_DEBUG # debug for VIMAGE
#
# Network interfaces:
# The `loop' device is MANDATORY when networking is enabled.
device loop
# The `ether' device provides generic code to handle
# Ethernets; it is MANDATORY when an Ethernet device driver is
# configured.
device ether
# The `vlan' device implements the VLAN tagging of Ethernet frames
# according to IEEE 802.1Q.
device vlan
# The `vxlan' device implements the VXLAN encapsulation of Ethernet
# frames in UDP packets according to RFC7348.
device vxlan
# The `wlan' device provides generic code to support 802.11
# drivers, including host AP mode; it is MANDATORY for the wi,
# and ath drivers and will eventually be required by all 802.11 drivers.
device wlan
options IEEE80211_DEBUG #enable debugging msgs
options IEEE80211_SUPPORT_MESH #enable 802.11s D3.0 support
options IEEE80211_SUPPORT_TDMA #enable TDMA support
# The `wlan_wep', `wlan_tkip', and `wlan_ccmp' devices provide
# support for WEP, TKIP, and AES-CCMP crypto protocols optionally
# used with 802.11 devices that depend on the `wlan' module.
device wlan_wep
device wlan_ccmp
device wlan_tkip
# The `wlan_xauth' device provides support for external (i.e. user-mode)
# authenticators for use with 802.11 drivers that use the `wlan'
# module and support 802.1x and/or WPA security protocols.
device wlan_xauth
# The `wlan_acl' device provides a MAC-based access control mechanism
# for use with 802.11 drivers operating in ap mode and using the
# `wlan' module.
# The 'wlan_amrr' device provides AMRR transmit rate control algorithm
device wlan_acl
device wlan_amrr
# The `sppp' device serves a similar role for certain types
# of synchronous PPP links (like `cx', `ar').
device sppp
# The `bpf' device enables the Berkeley Packet Filter. Be
# aware of the legal and administrative consequences of enabling this
# option. DHCP requires bpf.
device bpf
# The `netmap' device implements memory-mapped access to network
# devices from userspace, enabling wire-speed packet capture and
# generation even at 10Gbit/s. Requires support in the device
# driver. Supported drivers are ixgbe, e1000, re.
device netmap
# The `disc' device implements a minimal network interface,
# which throws away all packets sent and never receives any. It is
# included for testing and benchmarking purposes.
device disc
# The `epair' device implements a virtual back-to-back connected Ethernet
# like interface pair.
device epair
# The `edsc' device implements a minimal Ethernet interface,
# which discards all packets sent and receives none.
device edsc
# The `tuntap' device implements (user-)ppp, nos-tun(8) and a pty-like virtual
# Ethernet interface
device tuntap
# The `gif' device implements IPv6 over IP4 tunneling,
# IPv4 over IPv6 tunneling, IPv4 over IPv4 tunneling and
# IPv6 over IPv6 tunneling.
# The `gre' device implements GRE (Generic Routing Encapsulation) tunneling,
# as specified in the RFC 2784 and RFC 2890.
# The `me' device implements Minimal Encapsulation within IPv4 as
# specified in the RFC 2004.
# The XBONEHACK option allows the same pair of addresses to be configured on
# multiple gif interfaces.
device gif
device gre
device me
options XBONEHACK
# The `stf' device implements 6to4 encapsulation.
device stf
# The pf packet filter consists of three devices:
# The `pf' device provides /dev/pf and the firewall code itself.
# The `pflog' device provides the pflog0 interface which logs packets.
# The `pfsync' device provides the pfsync0 interface used for
# synchronization of firewall state tables (over the net).
device pf
device pflog
device pfsync
# Bridge interface.
device if_bridge
# Common Address Redundancy Protocol. See carp(4) for more details.
device carp
# IPsec interface.
device enc
# Link aggregation interface.
device lagg
#
# Internet family options:
#
# MROUTING enables the kernel multicast packet forwarder, which works
# with mrouted and XORP.
#
# IPFIREWALL enables support for IP firewall construction, in
# conjunction with the `ipfw' program. IPFIREWALL_VERBOSE sends
# logged packets to the system logger. IPFIREWALL_VERBOSE_LIMIT
# limits the number of times a matching entry can be logged.
#
# WARNING: IPFIREWALL defaults to a policy of "deny ip from any to any"
# and if you do not add other rules during startup to allow access,
# YOU WILL LOCK YOURSELF OUT. It is suggested that you set firewall_type=open
# in /etc/rc.conf when first enabling this feature, then refining the
# firewall rules in /etc/rc.firewall after you've tested that the new kernel
# feature works properly.
#
# IPFIREWALL_DEFAULT_TO_ACCEPT causes the default rule (at boot) to
# allow everything. Use with care, if a cracker can crash your
# firewall machine, they can get to your protected machines. However,
# if you are using it as an as-needed filter for specific problems as
# they arise, then this may be for you. Changing the default to 'allow'
# means that you won't get stuck if the kernel and /sbin/ipfw binary get
# out of sync.
#
# IPDIVERT enables the divert IP sockets, used by ``ipfw divert''. It
# depends on IPFIREWALL if compiled into the kernel.
#
# IPFIREWALL_NAT adds support for in kernel nat in ipfw, and it requires
# LIBALIAS.
#
# IPFIREWALL_NAT64 adds support for in kernel NAT64 in ipfw.
#
# IPFIREWALL_NPTV6 adds support for in kernel NPTv6 in ipfw.
#
# IPFIREWALL_PMOD adds support for protocols modification module. Currently
# it supports only TCP MSS modification.
#
# IPSTEALTH enables code to support stealth forwarding (i.e., forwarding
# packets without touching the TTL). This can be useful to hide firewalls
# from traceroute and similar tools.
#
# PF_DEFAULT_TO_DROP causes the default pf(4) rule to deny everything.
#
# TCPDEBUG enables code which keeps traces of the TCP state machine
# for sockets with the SO_DEBUG option set, which can then be examined
# using the trpt(8) utility.
#
# TCPPCAP enables code which keeps the last n packets sent and received
# on a TCP socket.
#
# TCP_BLACKBOX enables enhanced TCP event logging.
#
# TCP_HHOOK enables the hhook(9) framework hooks for the TCP stack.
#
# ROUTE_MPATH provides support for multipath routing.
#
options MROUTING # Multicast routing
options IPFIREWALL #firewall
options IPFIREWALL_VERBOSE #enable logging to syslogd(8)
options IPFIREWALL_VERBOSE_LIMIT=100 #limit verbosity
options IPFIREWALL_DEFAULT_TO_ACCEPT #allow everything by default
options IPFIREWALL_NAT #ipfw kernel nat support
options IPFIREWALL_NAT64 #ipfw kernel NAT64 support
options IPFIREWALL_NPTV6 #ipfw kernel IPv6 NPT support
options IPDIVERT #divert sockets
options IPFILTER #ipfilter support
options IPFILTER_LOG #ipfilter logging
options IPFILTER_LOOKUP #ipfilter pools
options IPFILTER_DEFAULT_BLOCK #block all packets by default
options IPSTEALTH #support for stealth forwarding
options PF_DEFAULT_TO_DROP #drop everything by default
options TCPDEBUG
options TCPPCAP
options TCP_BLACKBOX
options TCP_HHOOK
options ROUTE_MPATH
# The MBUF_STRESS_TEST option enables options which create
# various random failures / extreme cases related to mbuf
# functions. See mbuf(9) for a list of available test cases.
# MBUF_PROFILING enables code to profile the mbuf chains
# exiting the system (via participating interfaces) and
# return a logarithmic histogram of monitored parameters
# (e.g. packet size, wasted space, number of mbufs in chain).
options MBUF_STRESS_TEST
options MBUF_PROFILING
# Statically link in accept filters
options ACCEPT_FILTER_DATA
options ACCEPT_FILTER_DNS
options ACCEPT_FILTER_HTTP
# TCP_SIGNATURE adds support for RFC 2385 (TCP-MD5) digests. These are
# carried in TCP option 19. This option is commonly used to protect
# TCP sessions (e.g. BGP) where IPSEC is not available nor desirable.
# This is enabled on a per-socket basis using the TCP_MD5SIG socket option.
# This requires the use of 'device crypto' and either 'options IPSEC' or
# 'options IPSEC_SUPPORT'.
options TCP_SIGNATURE #include support for RFC 2385
# DUMMYNET enables the "dummynet" bandwidth limiter. You need IPFIREWALL
# as well. See dummynet(4) and ipfw(8) for more info. When you run
# DUMMYNET, HZ/kern.hz should be at least 1000 for adequate response.
options DUMMYNET
# The DEBUGNET option enables a basic debug/panic-time networking API. It
# is used by NETDUMP and NETGDB.
options DEBUGNET
# The NETDUMP option enables netdump(4) client support in the kernel.
# This allows a panicking kernel to transmit a kernel dump to a remote host.
options NETDUMP
# The NETGDB option enables netgdb(4) support in the kernel. This allows a
# panicking kernel to be debugged as a GDB remote over the network.
options NETGDB
#####################################################################
# FILESYSTEM OPTIONS
#
# Only the root filesystem needs to be statically compiled or preloaded
# as module; everything else will be automatically loaded at mount
# time. Some people still prefer to statically compile other
# filesystems as well.
#
# NB: The UNION filesystem was known to be buggy in the past. It is now
# being actively maintained, although there are still some issues being
# resolved.
#
# One of these is mandatory:
options FFS #Fast filesystem
options NFSCL #Network File System client
# The rest are optional:
options AUTOFS #Automounter filesystem
options CD9660 #ISO 9660 filesystem
options FDESCFS #File descriptor filesystem
options FUSEFS #FUSEFS support module
options MSDOSFS #MS DOS File System (FAT, FAT32)
options NFSLOCKD #Network Lock Manager
options NFSD #Network Filesystem Server
options KGSSAPI #Kernel GSSAPI implementation
options NULLFS #NULL filesystem
options PROCFS #Process filesystem (requires PSEUDOFS)
options PSEUDOFS #Pseudo-filesystem framework
options PSEUDOFS_TRACE #Debugging support for PSEUDOFS
options SMBFS #SMB/CIFS filesystem
options TMPFS #Efficient memory filesystem
options UDF #Universal Disk Format
options UNIONFS #Union filesystem
# The xFS_ROOT options REQUIRE the associated ``options xFS''
options NFS_ROOT #NFS usable as root device
# Soft updates is a technique for improving filesystem speed and
# making abrupt shutdown less risky.
#
options SOFTUPDATES
# Extended attributes allow additional data to be associated with files,
# and is used for ACLs, Capabilities, and MAC labels.
# See src/sys/ufs/ufs/README.extattr for more information.
options UFS_EXTATTR
options UFS_EXTATTR_AUTOSTART
# Access Control List support for UFS filesystems. The current ACL
# implementation requires extended attribute support, UFS_EXTATTR,
# for the underlying filesystem.
# See src/sys/ufs/ufs/README.acls for more information.
options UFS_ACL
# Directory hashing improves the speed of operations on very large
# directories at the expense of some memory.
options UFS_DIRHASH
# Gjournal-based UFS journaling support.
options UFS_GJOURNAL
# Make space in the kernel for a root filesystem on a md device.
# Define to the number of kilobytes to reserve for the filesystem.
# This is now optional.
# If not defined, the root filesystem passed in as the MFS_IMAGE makeoption
# will be automatically embedded in the kernel during linking. Its exact size
# will be consumed within the kernel.
# If defined, the old way of embedding the filesystem in the kernel will be
# used. That is to say MD_ROOT_SIZE KB will be allocated in the kernel and
# later, the filesystem image passed in as the MFS_IMAGE makeoption will be
# dd'd into the reserved space if it fits.
options MD_ROOT_SIZE=10
# Make the md device a potential root device, either with preloaded
# images of type mfs_root or md_root.
options MD_ROOT
# Write-protect the md root device so that it may not be mounted writeable.
options MD_ROOT_READONLY
# Allow to read MD image from external memory regions
options MD_ROOT_MEM
# Disk quotas are supported when this option is enabled.
options QUOTA #enable disk quotas
# If you are running a machine just as a fileserver for PC and MAC
# users, using SAMBA, you may consider setting this option
# and keeping all those users' directories on a filesystem that is
# mounted with the suiddir option. This gives new files the same
# ownership as the directory (similar to group). It's a security hole
# if you let these users run programs, so confine it to file-servers
# (but it'll save you lots of headaches in those cases). Root owned
# directories are exempt and X bits are cleared. The suid bit must be
# set on the directory as well; see chmod(1). PC owners can't see/set
# ownerships so they keep getting their toes trodden on. This saves
# you all the support calls as the filesystem it's used on will act as
# they expect: "It's my dir so it must be my file".
#
options SUIDDIR
# NFS options:
options NFS_MINATTRTIMO=3 # VREG attrib cache timeout in sec
options NFS_MAXATTRTIMO=60
options NFS_MINDIRATTRTIMO=30 # VDIR attrib cache timeout in sec
options NFS_MAXDIRATTRTIMO=60
options NFS_DEBUG # Enable NFS Debugging
#
# Add support for the EXT2FS filesystem of Linux fame. Be a bit
# careful with this - the ext2fs code has a tendency to lag behind
# changes and not be exercised very much, so mounting read/write could
# be dangerous (and even mounting read only could result in panics.)
#
options EXT2FS
# The system memory devices; /dev/mem, /dev/kmem
device mem
# The kernel symbol table device; /dev/ksyms
device ksyms
# Optional character code conversion support with LIBICONV.
# Each option requires their base file system and LIBICONV.
options CD9660_ICONV
options MSDOSFS_ICONV
options UDF_ICONV
#####################################################################
# POSIX P1003.1B
# Real time extensions added in the 1993 POSIX
# _KPOSIX_PRIORITY_SCHEDULING: Build in _POSIX_PRIORITY_SCHEDULING
options _KPOSIX_PRIORITY_SCHEDULING
# p1003_1b_semaphores are very experimental,
# user should be ready to assist in debugging if problems arise.
options P1003_1B_SEMAPHORES
# POSIX message queue
options P1003_1B_MQUEUE
#####################################################################
# SECURITY POLICY PARAMETERS
# Support for BSM audit
options AUDIT
# Support for Mandatory Access Control (MAC):
options MAC
options MAC_BIBA
options MAC_BSDEXTENDED
options MAC_IFOFF
options MAC_LOMAC
options MAC_MLS
options MAC_NONE
options MAC_NTPD
options MAC_PARTITION
options MAC_PORTACL
options MAC_SEEOTHERUIDS
options MAC_STUB
options MAC_TEST
# Support for Capsicum
options CAPABILITIES # fine-grained rights on file descriptors
options CAPABILITY_MODE # sandboxes with no global namespace access
#####################################################################
# CLOCK OPTIONS
# The granularity of operation is controlled by the kernel option HZ (default
# frequency of 1000 Hz or a period 1ms between calls). Virtual machine guests
# use a value of 100. Lower values may lower overhead at the expense of accuracy
# of scheduling, though the adaptive tick code reduces that overhead.
options HZ=100
# Enable support for the kernel PLL to use an external PPS signal,
# under supervision of [x]ntpd(8)
# More info in ntpd documentation: http://www.eecis.udel.edu/~ntp
options PPS_SYNC
# Enable support for generic feed-forward clocks in the kernel.
# The feed-forward clock support is an alternative to the feedback oriented
# ntpd/system clock approach, and is to be used with a feed-forward
# synchronization algorithm such as the RADclock:
# More info here: http://www.synclab.org/radclock
options FFCLOCK
#####################################################################
# SCSI DEVICES
# SCSI DEVICE CONFIGURATION
# The SCSI subsystem consists of the `base' SCSI code, a number of
# high-level SCSI device `type' drivers, and the low-level host-adapter
# device drivers. The host adapters are listed in the ISA and PCI
# device configuration sections below.
#
# It is possible to wire down your SCSI devices so that a given bus,
# target, and LUN always come on line as the same device unit. In
# earlier versions the unit numbers were assigned in the order that
# the devices were probed on the SCSI bus. This means that if you
# removed a disk drive, you may have had to rewrite your /etc/fstab
# file, and also that you had to be careful when adding a new disk
# as it may have been probed earlier and moved your device configuration
# around.
# This old behavior is maintained as the default behavior. The unit
# assignment begins with the first non-wired down unit for a device
# type. For example, if you wire a disk as "da3" then the first
# non-wired disk will be assigned da4.
# The syntax for wiring down devices is:
envvar hint.scbus.0.at="ahc0"
envvar hint.scbus.1.at="ahc1"
envvar hint.scbus.1.bus="0"
envvar hint.scbus.3.at="ahc2"
envvar hint.scbus.3.bus="0"
envvar hint.scbus.2.at="ahc2"
envvar hint.scbus.2.bus="1"
envvar hint.da.0.at="scbus0"
envvar hint.da.0.target="0"
envvar hint.da.0.unit="0"
envvar hint.da.1.at="scbus3"
envvar hint.da.1.target="1"
envvar hint.da.2.at="scbus2"
envvar hint.da.2.target="3"
envvar hint.sa.1.at="scbus1"
envvar hint.sa.1.target="6"
# "units" (SCSI logical unit number) that are not specified are
# treated as if specified as LUN 0.
# All SCSI devices allocate as many units as are required.
# The ch driver drives SCSI Media Changer ("jukebox") devices.
#
# The da driver drives SCSI Direct Access ("disk") and Optical Media
# ("WORM") devices.
#
# The sa driver drives SCSI Sequential Access ("tape") devices.
#
# The cd driver drives SCSI Read Only Direct Access ("cd") devices.
#
# The ses driver drives SCSI Environment Services ("ses") and
# SAF-TE ("SCSI Accessible Fault-Tolerant Enclosure") devices.
#
# The pt driver drives SCSI Processor devices.
#
# The sg driver provides a passthrough API that is compatible with the
# Linux SG driver. It will work in conjunction with the Linuxulator
# to run linux SG apps. It can also stand on its own and provide
# source level API compatibility for porting apps to FreeBSD.
#
# Target Mode support is provided here but also requires that a SIM
# (SCSI Host Adapter Driver) provide support as well.
#
# The targ driver provides target mode support as a Processor type device.
# It exists to give the minimal context necessary to respond to Inquiry
# commands. There is a sample user application that shows how the rest
# of the command support might be done in /usr/share/examples/scsi_target.
#
# The targbh driver provides target mode support and exists to respond
# to incoming commands that do not otherwise have a logical unit assigned
# to them.
#
# The pass driver provides a passthrough API to access the CAM subsystem.
device scbus #base SCSI code
device ch #SCSI media changers
device da #SCSI direct access devices (aka disks)
device sa #SCSI tapes
device cd #SCSI CD-ROMs
device ses #Enclosure Services (SES and SAF-TE)
device pt #SCSI processor
device targ #SCSI Target Mode Code
device targbh #SCSI Target Mode Blackhole Device
device pass #CAM passthrough driver
device sg #Linux SCSI passthrough
device ctl #CAM Target Layer
# CAM OPTIONS:
# debugging options:
# CAMDEBUG Compile in all possible debugging.
# CAM_DEBUG_COMPILE Debug levels to compile in.
# CAM_DEBUG_FLAGS Debug levels to enable on boot.
# CAM_DEBUG_BUS Limit debugging to the given bus.
# CAM_DEBUG_TARGET Limit debugging to the given target.
# CAM_DEBUG_LUN Limit debugging to the given lun.
# CAM_DEBUG_DELAY Delay in us after printing each debug line.
# CAM_IO_STATS Publish additional CAM device statics by sysctl
#
# CAM_MAX_HIGHPOWER: Maximum number of concurrent high power (start unit) cmds
# SCSI_NO_SENSE_STRINGS: When defined disables sense descriptions
# SCSI_NO_OP_STRINGS: When defined disables opcode descriptions
# SCSI_DELAY: The number of MILLISECONDS to freeze the SIM (scsi adapter)
# queue after a bus reset, and the number of milliseconds to
# freeze the device queue after a bus device reset. This
# can be changed at boot and runtime with the
# kern.cam.scsi_delay tunable/sysctl.
options CAMDEBUG
options CAM_DEBUG_COMPILE=-1
options CAM_DEBUG_FLAGS=(CAM_DEBUG_INFO|CAM_DEBUG_PROBE|CAM_DEBUG_PERIPH)
options CAM_DEBUG_BUS=-1
options CAM_DEBUG_TARGET=-1
options CAM_DEBUG_LUN=-1
options CAM_DEBUG_DELAY=1
options CAM_MAX_HIGHPOWER=4
options SCSI_NO_SENSE_STRINGS
options SCSI_NO_OP_STRINGS
options SCSI_DELAY=5000 # Be pessimistic about Joe SCSI device
options CAM_IOSCHED_DYNAMIC
options CAM_IO_STATS
options CAM_TEST_FAILURE
# Options for the CAM CDROM driver:
# CHANGER_MIN_BUSY_SECONDS: Guaranteed minimum time quantum for a changer LUN
# CHANGER_MAX_BUSY_SECONDS: Maximum time quantum per changer LUN, only
# enforced if there is I/O waiting for another LUN
# The compiled in defaults for these variables are 2 and 10 seconds,
# respectively.
#
# These can also be changed on the fly with the following sysctl variables:
# kern.cam.cd.changer.min_busy_seconds
# kern.cam.cd.changer.max_busy_seconds
#
options CHANGER_MIN_BUSY_SECONDS=2
options CHANGER_MAX_BUSY_SECONDS=10
# Options for the CAM sequential access driver:
# SA_IO_TIMEOUT: Timeout for read/write/wfm operations, in minutes
# SA_SPACE_TIMEOUT: Timeout for space operations, in minutes
# SA_REWIND_TIMEOUT: Timeout for rewind operations, in minutes
# SA_ERASE_TIMEOUT: Timeout for erase operations, in minutes
# SA_1FM_AT_EOD: Default to model which only has a default one filemark at EOT.
options SA_IO_TIMEOUT=4
options SA_SPACE_TIMEOUT=60
options SA_REWIND_TIMEOUT=(2*60)
options SA_ERASE_TIMEOUT=(4*60)
options SA_1FM_AT_EOD
# Optional timeout for the CAM processor target (pt) device
# This is specified in seconds. The default is 60 seconds.
options SCSI_PT_DEFAULT_TIMEOUT=60
# Optional enable of doing SES passthrough on other devices (e.g., disks)
#
# Normally disabled because a lot of newer SCSI disks report themselves
# as having SES capabilities, but this can then clot up attempts to build
# a topology with the SES device that's on the box these drives are in....
options SES_ENABLE_PASSTHROUGH
#####################################################################
# MISCELLANEOUS DEVICES AND OPTIONS
device pty #BSD-style compatibility pseudo ttys
device nmdm #back-to-back tty devices
device md #Memory/malloc disk
device snp #Snoop device - to look at pty/vty/etc..
device ccd #Concatenated disk driver
device firmware #firmware(9) support
# Kernel side iconv library
options LIBICONV
# Size of the kernel message buffer. Should be N * pagesize.
options MSGBUF_SIZE=40960
#####################################################################
# HARDWARE BUS CONFIGURATION
#
# PCI bus & PCI options:
#
device pci
options PCI_HP # PCI-Express native HotPlug
options PCI_IOV # PCI SR-IOV support
#####################################################################
# HARDWARE DEVICE CONFIGURATION
# For ISA the required hints are listed.
# PCI, CardBus, and SD/MMC are self identifying buses, so
# no hints are needed.
#
# Mandatory devices:
#
# These options are valid for other keyboard drivers as well.
options KBD_DISABLE_KEYMAP_LOAD # refuse to load a keymap
options KBD_INSTALL_CDEV # install a CDEV entry in /dev
device kbdmux # keyboard multiplexer
options KBDMUX_DFLT_KEYMAP # specify the built-in keymap
makeoptions KBDMUX_DFLT_KEYMAP=it.iso
options FB_DEBUG # Frame buffer debugging
# Enable experimental features of the syscons terminal emulator (teken).
options TEKEN_CONS25 # cons25-style terminal emulation
options TEKEN_UTF8 # UTF-8 output handling
# The vt video console driver.
device vt
options VT_ALT_TO_ESC_HACK=1 # Prepend ESC sequence to ALT keys
options VT_MAXWINDOWS=16 # Number of virtual consoles
options VT_TWOBUTTON_MOUSE # Use right mouse button to paste
# The following options set the maximum framebuffer size.
options VT_FB_MAX_HEIGHT=480
options VT_FB_MAX_WIDTH=640
# The following options will let you change the default vt terminal colors.
options TERMINAL_NORM_ATTR=(FG_GREEN|BG_BLACK)
options TERMINAL_KERN_ATTR=(FG_LIGHTRED|BG_BLACK)
#
# Optional devices:
#
#
# SCSI host adapters:
#
# aacraid: Adaptec by PMC RAID controllers, Series 6/7/8 and upcoming
# families. Container interface, CAM required.
# ahc: Adaptec 274x/284x/2910/293x/294x/394x/3950x/3960x/398X/4944/
# 19160x/29160x, aic7770/aic78xx
# ahd: Adaptec 29320/39320 Controllers.
# esp: Emulex ESP, NCR 53C9x and QLogic FAS families based controllers
# including the AMD Am53C974 (found on devices such as the Tekram
# DC-390(T)) and the Sun ESP and FAS families of controllers
# isp: Qlogic ISP 1020, 1040 and 1040B PCI SCSI host adapters,
# ISP 1240 Dual Ultra SCSI, ISP 1080 and 1280 (Dual) Ultra2,
# ISP 12160 Ultra3 SCSI,
# Qlogic ISP 2100 and ISP 2200 1Gb Fibre Channel host adapters.
# Qlogic ISP 2300 and ISP 2312 2Gb Fibre Channel host adapters.
# Qlogic ISP 2322 and ISP 6322 2Gb Fibre Channel host adapters.
# ispfw: Firmware module for Qlogic host adapters
# mpr: LSI-Logic MPT/Fusion Gen 3
# mps: LSI-Logic MPT/Fusion Gen 2
# mpt: LSI-Logic MPT/Fusion 53c1020 or 53c1030 Ultra4
# or FC9x9 Fibre Channel host adapters.
# sym: Symbios/Logic 53C8XX family of PCI-SCSI I/O processors:
# 53C810, 53C810A, 53C815, 53C825, 53C825A, 53C860, 53C875,
# 53C876, 53C885, 53C895, 53C895A, 53C896, 53C897, 53C1510D,
# 53C1010-33, 53C1010-66.
device aacraid
device ahc
device ahd
device esp
device iscsi_initiator
device isp
envvar hint.isp.0.disable="1"
envvar hint.isp.0.role="3"
envvar hint.isp.0.prefer_iomap="1"
envvar hint.isp.0.prefer_memmap="1"
envvar hint.isp.0.fwload_disable="1"
envvar hint.isp.0.ignore_nvram="1"
envvar hint.isp.0.fullduplex="1"
envvar hint.isp.0.topology="lport"
envvar hint.isp.0.topology="nport"
envvar hint.isp.0.topology="lport-only"
envvar hint.isp.0.topology="nport-only"
# we can't get u_int64_t types, nor can we get strings if it's got
# a leading 0x, hence this silly dodge.
envvar hint.isp.0.portwnn="w50000000aaaa0000"
envvar hint.isp.0.nodewnn="w50000000aaaa0001"
device ispfw
device mpr # LSI-Logic MPT-Fusion 3
device mps # LSI-Logic MPT-Fusion 2
device mpt # LSI-Logic MPT-Fusion
device sym
# The aic7xxx driver will attempt to use memory mapped I/O for all PCI
# controllers that have it configured only if this option is set. Unfortunately,
# this doesn't work on some motherboards, which prevents it from being the
# default.
options AHC_ALLOW_MEMIO
# Dump the contents of the ahc controller configuration PROM.
options AHC_DUMP_EEPROM
# Bitmap of units to enable targetmode operations.
options AHC_TMODE_ENABLE
# Compile in Aic7xxx Debugging code.
options AHC_DEBUG
# Aic7xxx driver debugging options. See sys/dev/aic7xxx/aic7xxx.h
options AHC_DEBUG_OPTS
# Print register bitfields in debug output. Adds ~128k to driver
# See ahc(4).
options AHC_REG_PRETTY_PRINT
# Compile in aic79xx debugging code.
options AHD_DEBUG
# Aic79xx driver debugging options. Adds ~215k to driver. See ahd(4).
options AHD_DEBUG_OPTS=0xFFFFFFFF
# Print human-readable register definitions when debugging
options AHD_REG_PRETTY_PRINT
# Bitmap of units to enable targetmode operations.
options AHD_TMODE_ENABLE
# Options used in dev/iscsi (Software iSCSI stack)
#
options ISCSI_INITIATOR_DEBUG=9
# Options used in dev/isp/ (Qlogic SCSI/FC driver).
#
# ISP_TARGET_MODE - enable target mode operation
#
options ISP_TARGET_MODE=1
#
# ISP_DEFAULT_ROLES - default role
# none=0
# target=1
# initiator=2
# both=3 (not supported currently)
#
# ISP_INTERNAL_TARGET (trivial internal disk target, for testing)
#
options ISP_DEFAULT_ROLES=0
#options SYM_SETUP_SCSI_DIFF #-HVD support for 825a, 875, 885
# disabled:0 (default), enabled:1
#options SYM_SETUP_PCI_PARITY #-PCI parity checking
# disabled:0, enabled:1 (default)
#options SYM_SETUP_MAX_LUN #-Number of LUNs supported
# default:8, range:[1..64]
#
# Compaq "CISS" RAID controllers (SmartRAID 5* series)
# These controllers have a SCSI-like interface, and require the
# CAM infrastructure.
#
device ciss
#
# Intel Integrated RAID controllers.
# This driver was developed and is maintained by Intel. Contacts
# at Intel for this driver are
# "Kannanthanam, Boji T" <boji.t.kannanthanam@intel.com> and
# "Leubner, Achim" <achim.leubner@intel.com>.
#
device iir
#
# Mylex AcceleRAID and eXtremeRAID controllers with v6 and later
# firmware. These controllers have a SCSI-like interface, and require
# the CAM infrastructure.
#
device mly
#
# Compaq Smart RAID, Mylex DAC960 and AMI MegaRAID controllers. Only
# one entry is needed; the code will find and configure all supported
# controllers.
#
device ida # Compaq Smart RAID
device mlx # Mylex DAC960
device amr # AMI MegaRAID
device amrp # SCSI Passthrough interface (optional, CAM req.)
device mfi # LSI MegaRAID SAS
device mfip # LSI MegaRAID SAS passthrough, requires CAM
options MFI_DEBUG
device mrsas # LSI/Avago MegaRAID SAS/SATA, 6Gb/s and 12Gb/s
#
# 3ware ATA RAID
#
device twe # 3ware ATA RAID
#
# Serial ATA host controllers:
#
# ahci: Advanced Host Controller Interface (AHCI) compatible
# mvs: Marvell 88SX50XX/88SX60XX/88SX70XX/SoC controllers
# siis: SiliconImage SiI3124/SiI3132/SiI3531 controllers
#
# These drivers are part of cam(4) subsystem. They supersede less featured
# ata(4) subsystem drivers, supporting same hardware.
device ahci
device mvs
device siis
#
# The 'ATA' driver supports all legacy ATA/ATAPI controllers, including
# PC Card devices. You only need one "device ata" for it to find all
# PCI and PC Card ATA/ATAPI devices on modern machines.
# Alternatively, individual bus and chipset drivers may be chosen by using
# the 'atacore' driver then selecting the drivers on a per vendor basis.
# For example to build a system which only supports a VIA chipset,
# omit 'ata' and include the 'atacore', 'atapci' and 'atavia' drivers.
device ata
# Modular ATA
#device atacore # Core ATA functionality
#device ataisa # ISA bus support
#device atapci # PCI bus support; only generic chipset support
# PCI ATA chipsets
#device ataacard # ACARD
#device ataacerlabs # Acer Labs Inc. (ALI)
#device ataamd # American Micro Devices (AMD)
#device ataati # ATI
#device atacenatek # Cenatek
#device atacypress # Cypress
#device atacyrix # Cyrix
#device atahighpoint # HighPoint
#device ataintel # Intel
#device ataite # Integrated Technology Inc. (ITE)
#device atajmicron # JMicron
#device atamarvell # Marvell
#device atamicron # Micron
#device atanational # National
#device atanetcell # NetCell
#device atanvidia # nVidia
#device atapromise # Promise
#device ataserverworks # ServerWorks
#device atasiliconimage # Silicon Image Inc. (SiI) (formerly CMD)
#device atasis # Silicon Integrated Systems Corp.(SiS)
#device atavia # VIA Technologies Inc.
#
# For older non-PCI, non-PnPBIOS systems, these are the hints lines to add:
envvar hint.ata.0.at="isa"
envvar hint.ata.0.port="0x1f0"
envvar hint.ata.0.irq="14"
envvar hint.ata.1.at="isa"
envvar hint.ata.1.port="0x170"
envvar hint.ata.1.irq="15"
#
# uart: newbusified driver for serial interfaces. It consolidates the sio(4),
# sab(4) and zs(4) drivers.
#
device uart
# Options for uart(4)
options UART_PPS_ON_CTS # Do time pulse capturing using CTS
# instead of DCD.
options UART_POLL_FREQ # Set polling rate, used when hw has
# no interrupt support (50 Hz default).
# The following hint should only be used for pure ISA devices. It is not
# needed otherwise. Use of hints is strongly discouraged.
envvar hint.uart.0.at="isa"
# The following 3 hints are used when the UART is a system device (i.e., a
# console or debug port), but only on platforms that don't have any other
# means to pass the information to the kernel. The unit number of the hint
# is only used to bundle the hints together. There is no relation to the
# unit number of the probed UART.
envvar hint.uart.0.port="0x3f8"
envvar hint.uart.0.flags="0x10"
envvar hint.uart.0.baud="115200"
# `flags' for serial drivers that support consoles like sio(4) and uart(4):
# 0x10 enable console support for this unit. Other console flags
# (if applicable) are ignored unless this is set. Enabling
# console support does not make the unit the preferred console.
# Boot with -h or set boot_serial=YES in the loader. For sio(4)
# specifically, the 0x20 flag can also be set (see above).
# Currently, at most one unit can have console support; the
# first one (in config file order) with this flag set is
# preferred. Setting this flag for sio0 gives the old behavior.
# 0x80 use this port for serial line gdb support in ddb. Also known
# as debug port.
#
# Options for serial drivers that support consoles:
options BREAK_TO_DEBUGGER # A BREAK/DBG on the console goes to
# ddb, if available.
# Solaris implements a new BREAK which is initiated by a character
# sequence CR ~ ^b which is similar to a familiar pattern used on
# Sun servers by the Remote Console. There are FreeBSD extensions:
# CR ~ ^p requests force panic and CR ~ ^r requests a clean reboot.
options ALT_BREAK_TO_DEBUGGER
# Serial Communications Controller
# Supports the Freescale/NXP QUad Integrated and Zilog Z8530 multi-channel
# communications controllers.
device scc
# PCI Universal Communications driver
# Supports various multi port PCI I/O cards.
device puc
#
# Network interfaces:
#
# MII bus support is required for many PCI Ethernet NICs,
# namely those which use MII-compliant transceivers or implement
# transceiver control interfaces that operate like an MII. Adding
# "device miibus" to the kernel config pulls in support for the generic
# miibus API, the common support for for bit-bang'ing the MII and all
# of the PHY drivers, including a generic one for PHYs that aren't
# specifically handled by an individual driver. Support for specific
# PHYs may be built by adding "device mii", "device mii_bitbang" if
# needed by the NIC driver and then adding the appropriate PHY driver.
device mii # Minimal MII support
device mii_bitbang # Common module for bit-bang'ing the MII
device miibus # MII support w/ bit-bang'ing and all PHYs
device acphy # Altima Communications AC101
device amphy # AMD AM79c873 / Davicom DM910{1,2}
device atphy # Attansic/Atheros F1
device axphy # Asix Semiconductor AX88x9x
device bmtphy # Broadcom BCM5201/BCM5202 and 3Com 3c905C
device bnxt # Broadcom NetXtreme-C/NetXtreme-E
device brgphy # Broadcom BCM54xx/57xx 1000baseTX
device cgem # Cadence GEM Gigabit Ethernet
device ciphy # Cicada/Vitesse CS/VSC8xxx
device e1000phy # Marvell 88E1000 1000/100/10-BT
device gentbi # Generic 10-bit 1000BASE-{LX,SX} fiber ifaces
device icsphy # ICS ICS1889-1893
device ip1000phy # IC Plus IP1000A/IP1001
device jmphy # JMicron JMP211/JMP202
device lxtphy # Level One LXT-970
device nsgphy # NatSemi DP8361/DP83865/DP83891
device nsphy # NatSemi DP83840A
device nsphyter # NatSemi DP83843/DP83815
device pnaphy # HomePNA
device qsphy # Quality Semiconductor QS6612
device rdcphy # RDC Semiconductor R6040
device rgephy # RealTek 8169S/8110S/8211B/8211C
device rlphy # RealTek 8139
device rlswitch # RealTek 8305
device smcphy # SMSC LAN91C111
device tdkphy # TDK 89Q2120
device truephy # LSI TruePHY
device xmphy # XaQti XMAC II
# ae: Support for gigabit ethernet adapters based on the Attansic/Atheros
# L2 PCI-Express FastEthernet controllers.
# age: Support for gigabit ethernet adapters based on the Attansic/Atheros
# L1 PCI express gigabit ethernet controllers.
# alc: Support for Atheros AR8131/AR8132 PCIe ethernet controllers.
# ale: Support for Atheros AR8121/AR8113/AR8114 PCIe ethernet controllers.
# ath: Atheros a/b/g WiFi adapters (requires ath_hal and wlan)
# bce: Broadcom NetXtreme II (BCM5706/BCM5708) PCI/PCIe Gigabit Ethernet
# adapters.
# bfe: Broadcom BCM4401 Ethernet adapter.
# bge: Support for gigabit ethernet adapters based on the Broadcom
# BCM570x family of controllers, including the 3Com 3c996-T,
# the Netgear GA302T, the SysKonnect SK-9D21 and SK-9D41, and
# the embedded gigE NICs on Dell PowerEdge 2550 servers.
# bnxt: Broadcom NetXtreme-C and NetXtreme-E PCIe 10/25/50G Ethernet adapters.
# bxe: Broadcom NetXtreme II (BCM5771X/BCM578XX) PCIe 10Gb Ethernet
# adapters.
# bwi: Broadcom BCM430* and BCM431* family of wireless adapters.
# bwn: Broadcom BCM43xx family of wireless adapters.
# cas: Sun Cassini/Cassini+ and National Semiconductor DP83065 Saturn
# cxgb: Chelsio T3 based 1GbE/10GbE PCIe Ethernet adapters.
# cxgbe:Chelsio T4, T5, and T6-based 1/10/25/40/100GbE PCIe Ethernet
# adapters.
# cxgbev: Chelsio T4, T5, and T6-based PCIe Virtual Functions.
# dc: Support for PCI fast ethernet adapters based on the DEC/Intel 21143
# and various workalikes including:
# the ADMtek AL981 Comet and AN985 Centaur, the ASIX Electronics
# AX88140A and AX88141, the Davicom DM9100 and DM9102, the Lite-On
# 82c168 and 82c169 PNIC, the Lite-On/Macronix LC82C115 PNIC II
# and the Macronix 98713/98713A/98715/98715A/98725 PMAC. This driver
# replaces the old al, ax, dm, pn and mx drivers. List of brands:
# Digital DE500-BA, Kingston KNE100TX, D-Link DFE-570TX, SOHOware SFA110,
# SVEC PN102-TX, CNet Pro110B, 120A, and 120B, Compex RL100-TX,
# LinkSys LNE100TX, LNE100TX V2.0, Jaton XpressNet, Alfa Inc GFC2204,
# KNE110TX.
# em: Intel Pro/1000 Gigabit Ethernet 82542, 82543, 82544 based adapters.
# fxp: Intel EtherExpress Pro/100B
# (hint of prefer_iomap can be done to prefer I/O instead of Mem mapping)
# gem: Apple GMAC/Sun ERI/Sun GEM
# jme: JMicron JMC260 Fast Ethernet/JMC250 Gigabit Ethernet based adapters.
# le: AMD Am7900 LANCE and Am79C9xx PCnet
# lge: Support for PCI gigabit ethernet adapters based on the Level 1
# LXT1001 NetCellerator chipset. This includes the D-Link DGE-500SX,
# SMC TigerCard 1000 (SMC9462SX), and some Addtron cards.
# lio: Support for Cavium 23XX Ethernet adapters
# malo: Marvell Libertas wireless NICs.
# mwl: Marvell 88W8363 802.11n wireless NICs.
# Requires the mwl firmware module
# mwlfw: Marvell 88W8363 firmware
# msk: Support for gigabit ethernet adapters based on the Marvell/SysKonnect
# Yukon II Gigabit controllers, including 88E8021, 88E8022, 88E8061,
# 88E8062, 88E8035, 88E8036, 88E8038, 88E8050, 88E8052, 88E8053,
# 88E8055, 88E8056 and D-Link 560T/550SX.
# mlxfw: Mellanox firmware update module.
# mlx5: Mellanox ConnectX-4 and ConnectX-4 LX IB and Eth shared code module.
# mlx5en:Mellanox ConnectX-4 and ConnectX-4 LX PCIe Ethernet adapters.
# my: Myson Fast Ethernet (MTD80X, MTD89X)
# nge: Support for PCI gigabit ethernet adapters based on the National
# Semiconductor DP83820 and DP83821 chipset. This includes the
# SMC EZ Card 1000 (SMC9462TX), D-Link DGE-500T, Asante FriendlyNet
# GigaNIX 1000TA and 1000TPC, the Addtron AEG320T, the Surecom
# EP-320G-TX and the Netgear GA622T.
# oce: Emulex 10 Gbit adapters (OneConnect Ethernet)
# ral: Ralink Technology IEEE 802.11 wireless adapter
# re: RealTek 8139C+/8169/816xS/811xS/8101E PCI/PCIe Ethernet adapter
# rl: Support for PCI fast ethernet adapters based on the RealTek 8129/8139
# chipset. Note that the RealTek driver defaults to using programmed
# I/O to do register accesses because memory mapped mode seems to cause
# severe lockups on SMP hardware. This driver also supports the
# Accton EN1207D `Cheetah' adapter, which uses a chip called
# the MPX 5030/5038, which is either a RealTek in disguise or a
# RealTek workalike. Note that the D-Link DFE-530TX+ uses the RealTek
# chipset and is supported by this driver, not the 'vr' driver.
# rtwn: RealTek wireless adapters.
# rtwnfw: RealTek wireless firmware.
# sge: Silicon Integrated Systems SiS190/191 Fast/Gigabit Ethernet adapter
# sis: Support for NICs based on the Silicon Integrated Systems SiS 900,
# SiS 7016 and NS DP83815 PCI fast ethernet controller chips.
# sk: Support for the SysKonnect SK-984x series PCI gigabit ethernet NICs.
# This includes the SK-9841 and SK-9842 single port cards (single mode
# and multimode fiber) and the SK-9843 and SK-9844 dual port cards
# (also single mode and multimode).
# The driver will autodetect the number of ports on the card and
# attach each one as a separate network interface.
# ste: Sundance Technologies ST201 PCI fast ethernet controller, includes
# the D-Link DFE-550TX.
# stge: Support for gigabit ethernet adapters based on the Sundance/Tamarack
# TC9021 family of controllers, including the Sundance ST2021/ST2023,
# the Sundance/Tamarack TC9021, the D-Link DL-4000 and ASUS NX1101.
# ti: Support for PCI gigabit ethernet NICs based on the Alteon Networks
# Tigon 1 and Tigon 2 chipsets. This includes the Alteon AceNIC, the
# 3Com 3c985, the Netgear GA620 and various others. Note that you will
# probably want to bump up kern.ipc.nmbclusters a lot to use this driver.
# vr: Support for various fast ethernet adapters based on the VIA
# Technologies VT3043 `Rhine I' and VT86C100A `Rhine II' chips,
# including the D-Link DFE520TX and D-Link DFE530TX (see 'rl' for
# DFE530TX+), the Hawking Technologies PN102TX, and the AOpen/Acer ALN-320.
# vte: DM&P Vortex86 RDC R6040 Fast Ethernet
# xl: Support for the 3Com 3c900, 3c905, 3c905B and 3c905C (Fast)
# Etherlink XL cards and integrated controllers. This includes the
# integrated 3c905B-TX chips in certain Dell Optiplex and Dell
# Precision desktop machines and the integrated 3c905-TX chips
# in Dell Latitude laptop docking stations.
# Also supported: 3Com 3c980(C)-TX, 3Com 3cSOHO100-TX, 3Com 3c450-TX
# PCI Ethernet NICs that use the common MII bus controller code.
device ae # Attansic/Atheros L2 FastEthernet
device age # Attansic/Atheros L1 Gigabit Ethernet
device alc # Atheros AR8131/AR8132 Ethernet
device ale # Atheros AR8121/AR8113/AR8114 Ethernet
device bce # Broadcom BCM5706/BCM5708 Gigabit Ethernet
device bfe # Broadcom BCM440x 10/100 Ethernet
device bge # Broadcom BCM570xx Gigabit Ethernet
device cas # Sun Cassini/Cassini+ and NS DP83065 Saturn
device dc # DEC/Intel 21143 and various workalikes
device et # Agere ET1310 10/100/Gigabit Ethernet
device fxp # Intel EtherExpress PRO/100B (82557, 82558)
envvar hint.fxp.0.prefer_iomap="0"
device gem # Apple GMAC/Sun ERI/Sun GEM
device jme # JMicron JMC250 Gigabit/JMC260 Fast Ethernet
device lge # Level 1 LXT1001 gigabit Ethernet
device mlxfw # Mellanox firmware update module
device mlx5 # Shared code module between IB and Ethernet
device mlx5en # Mellanox ConnectX-4 and ConnectX-4 LX
device msk # Marvell/SysKonnect Yukon II Gigabit Ethernet
device my # Myson Fast Ethernet (MTD80X, MTD89X)
device nge # NatSemi DP83820 gigabit Ethernet
device re # RealTek 8139C+/8169/8169S/8110S
device rl # RealTek 8129/8139
device sge # Silicon Integrated Systems SiS190/191
device sis # Silicon Integrated Systems SiS 900/SiS 7016
device sk # SysKonnect SK-984x & SK-982x gigabit Ethernet
device ste # Sundance ST201 (D-Link DFE-550TX)
device stge # Sundance/Tamarack TC9021 gigabit Ethernet
device vr # VIA Rhine, Rhine II
device vte # DM&P Vortex86 RDC R6040 Fast Ethernet
device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'')
# PCI/PCI-X/PCIe Ethernet NICs that use iflib infrastructure
device iflib
device em # Intel Pro/1000 Gigabit Ethernet
device ix # Intel Pro/10Gbe PCIE Ethernet
device ixv # Intel Pro/10Gbe PCIE Ethernet VF
# PCI Ethernet NICs.
device cxgb # Chelsio T3 10 Gigabit Ethernet
device cxgb_t3fw # Chelsio T3 10 Gigabit Ethernet firmware
device cxgbe # Chelsio T4-T6 1/10/25/40/100 Gigabit Ethernet
device cxgbev # Chelsio T4-T6 Virtual Functions
device le # AMD Am7900 LANCE and Am79C9xx PCnet
device mxge # Myricom Myri-10G 10GbE NIC
device oce # Emulex 10 GbE (OneConnect Ethernet)
device ti # Alteon Networks Tigon I/II gigabit Ethernet
# PCI IEEE 802.11 Wireless NICs
device ath # Atheros pci/cardbus NIC's
device ath_hal # pci/cardbus chip support
#device ath_ar5210 # AR5210 chips
#device ath_ar5211 # AR5211 chips
#device ath_ar5212 # AR5212 chips
#device ath_rf2413
#device ath_rf2417
#device ath_rf2425
#device ath_rf5111
#device ath_rf5112
#device ath_rf5413
#device ath_ar5416 # AR5416 chips
# All of the AR5212 parts have a problem when paired with the AR71xx
# CPUS. These parts have a bug that triggers a fatal bus error on the AR71xx
# only. Details of the exact nature of the bug are sketchy, but some can be
# found at https://forum.openwrt.org/viewtopic.php?pid=70060 on pages 4, 5 and
# 6. This option enables this workaround. There is a performance penalty
# for this work around, but without it things don't work at all. The DMA
# from the card usually bursts 128 bytes, but on the affected CPUs, only
# 4 are safe.
options AH_RXCFG_SDMAMW_4BYTES
#device ath_ar9160 # AR9160 chips
#device ath_ar9280 # AR9280 chips
#device ath_ar9285 # AR9285 chips
device ath_rate_sample # SampleRate tx rate control for ath
device bwi # Broadcom BCM430* BCM431*
device bwn # Broadcom BCM43xx
device malo # Marvell Libertas wireless NICs.
device mwl # Marvell 88W8363 802.11n wireless NICs.
device mwlfw
device ral # Ralink Technology RT2500 wireless NICs.
device rtwn # Realtek wireless NICs
device rtwnfw
# Use sf_buf(9) interface for jumbo buffers on ti(4) controllers.
#options TI_SF_BUF_JUMBO
# Turn on the header splitting option for the ti(4) driver firmware. This
# only works for Tigon II chips, and has no effect for Tigon I chips.
# This option requires the TI_SF_BUF_JUMBO option above.
#options TI_JUMBO_HDRSPLIT
# These two options allow manipulating the mbuf cluster size and mbuf size,
# respectively. Be very careful with NIC driver modules when changing
# these from their default values, because that can potentially cause a
# mismatch between the mbuf size assumed by the kernel and the mbuf size
# assumed by a module. The only driver that currently has the ability to
# detect a mismatch is ti(4).
options MCLSHIFT=12 # mbuf cluster shift in bits, 12 == 4KB
options MSIZE=512 # mbuf size in bytes
#
# Sound drivers
#
# sound: The generic sound driver.
#
device sound
#
# snd_*: Device-specific drivers.
#
# The flags of the device tell the device a bit more info about the
# device that normally is obtained through the PnP interface.
# bit 2..0 secondary DMA channel;
# bit 4 set if the board uses two dma channels;
# bit 15..8 board type, overrides autodetection; leave it
# zero if don't know what to put in (and you don't,
# since this is unsupported at the moment...).
#
# snd_ad1816: Analog Devices AD1816 ISA PnP/non-PnP.
# snd_als4000: Avance Logic ALS4000 PCI.
# snd_atiixp: ATI IXP 200/300/400 PCI.
# snd_cmi: CMedia CMI8338/CMI8738 PCI.
# snd_cs4281: Crystal Semiconductor CS4281 PCI.
# snd_csa: Crystal Semiconductor CS461x/428x PCI. (except
# 4281)
# snd_ds1: Yamaha DS-1 PCI.
# snd_emu10k1: Creative EMU10K1 PCI and EMU10K2 (Audigy) PCI.
# snd_emu10kx: Creative SoundBlaster Live! and Audigy
# snd_envy24: VIA Envy24 and compatible, needs snd_spicds.
# snd_envy24ht: VIA Envy24HT and compatible, needs snd_spicds.
# snd_es137x: Ensoniq AudioPCI ES137x PCI.
# snd_ess: Ensoniq ESS ISA PnP/non-PnP, to be used in
# conjunction with snd_sbc.
# snd_fm801: Forte Media FM801 PCI.
# snd_gusc: Gravis UltraSound ISA PnP/non-PnP.
# snd_hda: Intel High Definition Audio (Controller) and
# compatible.
# snd_hdspe: RME HDSPe AIO and RayDAT.
# snd_ich: Intel ICH AC'97 and some more audio controllers
# embedded in a chipset, for example nVidia
# nForce controllers.
# snd_maestro: ESS Technology Maestro-1/2x PCI.
# snd_maestro3: ESS Technology Maestro-3/Allegro PCI.
# snd_mss: Microsoft Sound System ISA PnP/non-PnP.
# snd_neomagic: Neomagic 256 AV/ZX PCI.
# snd_sb16: Creative SoundBlaster16, to be used in
# conjunction with snd_sbc.
# snd_sb8: Creative SoundBlaster (pre-16), to be used in
# conjunction with snd_sbc.
# snd_sbc: Creative SoundBlaster ISA PnP/non-PnP.
# Supports ESS and Avance ISA chips as well.
# snd_solo: ESS Solo-1x PCI.
# snd_spicds: SPI codec driver, needed by Envy24/Envy24HT drivers.
# snd_t4dwave: Trident 4DWave DX/NX PCI, Sis 7018 PCI and Acer Labs
# M5451 PCI.
# snd_uaudio: USB audio.
# snd_via8233: VIA VT8233x PCI.
# snd_via82c686: VIA VT82C686A PCI.
# snd_vibes: S3 Sonicvibes PCI.
device snd_ad1816
device snd_als4000
device snd_atiixp
device snd_cmi
device snd_cs4281
device snd_csa
device snd_ds1
device snd_emu10k1
device snd_emu10kx
device snd_envy24
device snd_envy24ht
device snd_es137x
device snd_ess
device snd_fm801
device snd_gusc
device snd_hda
device snd_hdspe
device snd_ich
device snd_maestro
device snd_maestro3
device snd_mss
device snd_neomagic
device snd_sb16
device snd_sb8
device snd_sbc
device snd_solo
device snd_spicds
device snd_t4dwave
device snd_uaudio
device snd_via8233
device snd_via82c686
device snd_vibes
# For non-PnP sound cards:
envvar hint.pcm.0.at="isa"
envvar hint.pcm.0.irq="10"
envvar hint.pcm.0.drq="1"
envvar hint.pcm.0.flags="0x0"
envvar hint.sbc.0.at="isa"
envvar hint.sbc.0.port="0x220"
envvar hint.sbc.0.irq="5"
envvar hint.sbc.0.drq="1"
envvar hint.sbc.0.flags="0x15"
envvar hint.gusc.0.at="isa"
envvar hint.gusc.0.port="0x220"
envvar hint.gusc.0.irq="5"
envvar hint.gusc.0.drq="1"
envvar hint.gusc.0.flags="0x13"
#
# Following options are intended for debugging/testing purposes:
#
# SND_DEBUG Enable extra debugging code that includes
# sanity checking and possible increase of
# verbosity.
#
# SND_DIAGNOSTIC Similar in a spirit of INVARIANTS/DIAGNOSTIC,
# zero tolerance against inconsistencies.
#
# SND_FEEDER_MULTIFORMAT By default, only 16/32 bit feeders are compiled
# in. This options enable most feeder converters
# except for 8bit. WARNING: May bloat the kernel.
#
# SND_FEEDER_FULL_MULTIFORMAT Ditto, but includes 8bit feeders as well.
#
# SND_FEEDER_RATE_HP (feeder_rate) High precision 64bit arithmetic
# as much as possible (the default trying to
# avoid it). Possible slowdown.
#
# SND_PCM_64 (Only applicable for i386/32bit arch)
# Process 32bit samples through 64bit
# integer/arithmetic. Slight increase of dynamic
# range at a cost of possible slowdown.
#
# SND_OLDSTEREO Only 2 channels are allowed, effectively
# disabling multichannel processing.
#
options SND_DEBUG
options SND_DIAGNOSTIC
options SND_FEEDER_MULTIFORMAT
options SND_FEEDER_FULL_MULTIFORMAT
options SND_FEEDER_RATE_HP
options SND_PCM_64
options SND_OLDSTEREO
#
# PC Card/PCMCIA and Cardbus
#
# cbb: pci/cardbus bridge implementing YENTA interface
# cardbus: cardbus slots
device cbb
device cardbus
#
# MMC/SD
#
# mmc MMC/SD bus
# mmcsd MMC/SD memory card
# sdhci Generic PCI SD Host Controller
# rtsx Realtek SD card reader (RTS5209, RTS5227, ...)
device mmc
device mmcsd
device sdhci
device rtsx
#
# SMB bus
#
# System Management Bus support is provided by the 'smbus' device.
# Access to the SMBus device is via the 'smb' device (/dev/smb*),
# which is a child of the 'smbus' device.
#
# Supported devices:
# smb standard I/O through /dev/smb*
#
# Supported SMB interfaces:
# iicsmb I2C to SMB bridge with any iicbus interface
# intpm Intel PIIX4 (82371AB, 82443MX) Power Management Unit
# alpm Acer Aladdin-IV/V/Pro2 Power Management Unit
# ichsmb Intel ICH SMBus controller chips (82801AA, 82801AB, 82801BA)
# viapm VIA VT82C586B/596B/686A and VT8233 Power Management Unit
# amdpm AMD 756 Power Management Unit
# amdsmb AMD 8111 SMBus 2.0 Controller
# nfpm NVIDIA nForce Power Management Unit
# nfsmb NVIDIA nForce2/3/4 MCP SMBus 2.0 Controller
# ismt Intel SMBus 2.0 controller chips (on Atom S1200, C2000)
#
device smbus # Bus support, required for smb below.
device intpm
device alpm
device ichsmb
device viapm
device amdpm
device amdsmb
device nfpm
device nfsmb
device ismt
device smb
# SMBus peripheral devices
#
# jedec_dimm Asset and temperature reporting for DDR3 and DDR4 DIMMs
#
device jedec_dimm
# I2C Bus
#
# Philips i2c bus support is provided by the `iicbus' device.
#
# Supported devices:
# ic i2c network interface
# iic i2c standard io
# iicsmb i2c to smb bridge. Allow i2c i/o with smb commands.
# iicoc simple polling driver for OpenCores I2C controller
#
# Other:
# iicbb generic I2C bit-banging code (needed by lpbb)
#
device iicbus # Bus support, required for ic/iic/iicsmb below.
device iicbb # bitbang driver; implements i2c on a pair of gpio pins
device ic
device iic # userland access to i2c slave devices via ioctl(8)
device iicsmb # smb over i2c bridge
device iicoc # OpenCores I2C controller support
# I2C bus multiplexer (mux) devices
device iicmux # i2c mux core driver
device iic_gpiomux # i2c mux hardware controlled via gpio pins
device ltc430x # LTC4305 and LTC4306 i2c mux chips
# I2C peripheral devices
#
device ad7418 # Analog Devices temp and voltage sensor
device ads111x # Texas Instruments ADS101x and ADS111x ADCs
device ds1307 # Dallas DS1307 RTC and compatible
device ds13rtc # All Dallas/Maxim ds13xx chips
device ds1672 # Dallas DS1672 RTC
device ds3231 # Dallas DS3231 RTC + temperature
device fan53555 # Fairchild Semi FAN53555/SYR82x Regulator
device icee # AT24Cxxx and compatible EEPROMs
device isl12xx # Intersil ISL12xx RTC
device lm75 # LM75 compatible temperature sensor
device nxprtc # NXP RTCs: PCA/PFC212x PCA/PCF85xx
device rtc8583 # Epson RTC-8583
device s35390a # Seiko Instruments S-35390A RTC
device sy8106a # Silergy Corp. SY8106A buck regulator
# Parallel-Port Bus
#
# Parallel port bus support is provided by the `ppbus' device.
# Multiple devices may be attached to the parallel port, devices
# are automatically probed and attached when found.
#
# Supported devices:
# lpt Parallel Printer
# plip Parallel network interface
# ppi General-purpose I/O ("Geek Port") + IEEE1284 I/O
# pps Pulse per second Timing Interface
# lpbb Philips official parallel port I2C bit-banging interface
# pcfclock Parallel port clock driver.
#
# Supported interfaces:
# ppc ISA-bus parallel port interfaces.
#
options PPC_PROBE_CHIPSET # Enable chipset specific detection
# (see flags in ppc(4))
options DEBUG_1284 # IEEE1284 signaling protocol debug
options PERIPH_1284 # Makes your computer act as an IEEE1284
# compliant peripheral
options DONTPROBE_1284 # Avoid boot detection of PnP parallel devices
options LPT_DEBUG # Printer driver debug
options PPC_DEBUG # Parallel chipset level debug
options PLIP_DEBUG # Parallel network IP interface debug
options PCFCLOCK_VERBOSE # Verbose pcfclock driver
options PCFCLOCK_MAX_RETRIES=5 # Maximum read tries (default 10)
device ppc
envvar hint.ppc.0.at="isa"
envvar hint.ppc.0.irq="7"
device ppbus
device lpt
device plip
device ppi
device pps
device lpbb
device pcfclock
# General Purpose I/O pins
device dwgpio # Synopsys DesignWare APB GPIO Controller
device gpio # gpio interfaces and bus support
device gpiobacklight # sysctl control of gpio-based backlight
device gpioiic # i2c via gpio bitbang
device gpiokeys # kbd(4) glue for gpio-based key input
device gpioled # led(4) gpio glue
device gpiopower # event handler for gpio-based powerdown
device gpiopps # Pulse per second input from gpio pin
device gpioregulator # extres/regulator glue for gpio pin
device gpiospi # SPI via gpio bitbang
device gpioths # 1-wire temp/humidity sensor on gpio pin
# Pulse width modulation
device pwmbus # pwm interface and bus support
device pwmc # userland control access to pwm outputs
#
# Etherswitch framework and drivers
#
# etherswitch The etherswitch(4) framework
# miiproxy Proxy device for miibus(4) functionality
#
# Switch hardware support:
# arswitch Atheros switches
# ip17x IC+ 17x family switches
# rtl8366r Realtek RTL8366 switches
# ukswitch Multi-PHY switches
#
device etherswitch
device miiproxy
device arswitch
device ip17x
device rtl8366rb
device ukswitch
# Kernel BOOTP support
options BOOTP # Use BOOTP to obtain IP address/hostname
# Requires NFSCL and NFS_ROOT
options BOOTP_NFSROOT # NFS mount root filesystem using BOOTP info
options BOOTP_NFSV3 # Use NFS v3 to NFS mount root
options BOOTP_COMPAT # Workaround for broken bootp daemons.
options BOOTP_WIRED_TO=fxp0 # Use interface fxp0 for BOOTP
options BOOTP_BLOCKSIZE=8192 # Override NFS block size
#
# Enable software watchdog routines, even if hardware watchdog is present.
# By default, software watchdog timer is enabled only if no hardware watchdog
# is present.
#
options SW_WATCHDOG
#
# Add the software deadlock resolver thread.
#
options DEADLKRES
#
# Disable swapping of stack pages. This option removes all
# code which actually performs swapping, so it's not possible to turn
# it back on at run-time.
#
# This is sometimes usable for systems which don't have any swap space
# (see also sysctl "vm.disable_swapspace_pageouts")
#
#options NO_SWAPPING
# Set the number of sf_bufs to allocate. sf_bufs are virtual buffers
# for sendfile(2) that are used to map file VM pages, and normally
# default to a quantity that is roughly 16*MAXUSERS+512. You would
# typically want about 4 of these for each simultaneous file send.
#
options NSFBUFS=1024
#
# Enable extra debugging code for locks. This stores the filename and
# line of whatever acquired the lock in the lock itself, and changes a
# number of function calls to pass around the relevant data. This is
# not at all useful unless you are debugging lock code. Note that
# modules should be recompiled as this option modifies KBI.
#
options DEBUG_LOCKS
#####################################################################
# HID support
device hid # Generic HID support
options HID_DEBUG # enable debug msgs
device hidbus # HID bus
device hidmap # HID to evdev mapping
device hidraw # Raw access driver
options HIDRAW_MAKE_UHID_ALIAS # install /dev/uhid alias
device hconf # Multitouch configuration TLC
device hcons # Consumer controls
device hgame # Generic game controllers
device hkbd # HID keyboard
device hms # HID mouse
device hmt # HID multitouch (MS-compatible)
device hpen # Generic pen driver
device hsctrl # System controls
device ps4dshock # Sony PS4 DualShock 4 gamepad driver
device xb360gp # XBox 360 gamepad driver
#####################################################################
# USB support
# UHCI controller
device uhci
# OHCI controller
device ohci
# EHCI controller
device ehci
# XHCI controller
device xhci
# SL811 Controller
#device slhci
# General USB code (mandatory for USB)
device usb
#
# USB Double Bulk Pipe devices
device udbp
# USB temperature meter
device ugold
# USB LED
device uled
# Human Interface Device (anything with buttons and dials)
device uhid
# USB keyboard
device ukbd
# USB printer
device ulpt
# USB mass storage driver (Requires scbus and da)
device umass
# USB mass storage driver for device-side mode
device usfs
# USB support for Belkin F5U109 and Magic Control Technology serial adapters
device umct
# USB modem support
device umodem
# USB mouse
device ums
# USB touchpad(s)
device atp
device wsp
# eGalax USB touch screen
device uep
# Diamond Rio 500 MP3 player
device urio
# HID-over-USB driver
device usbhid
#
# USB serial support
device ucom
# USB support for 3G modem cards by Option, Novatel, Huawei and Sierra
device u3g
# USB support for Technologies ARK3116 based serial adapters
device uark
# USB support for Belkin F5U103 and compatible serial adapters
device ubsa
# USB support for serial adapters based on the FT8U100AX and FT8U232AM
device uftdi
# USB support for some Windows CE based serial communication.
device uipaq
# USB support for Prolific PL-2303 serial adapters
device uplcom
# USB support for Silicon Laboratories CP2101/CP2102 based USB serial adapters
device uslcom
# USB Visor and Palm devices
device uvisor
# USB serial support for DDI pocket's PHS
device uvscom
#
# USB ethernet support
device uether
# ADMtek USB ethernet. Supports the LinkSys USB100TX,
# the Billionton USB100, the Melco LU-ATX, the D-Link DSB-650TX
# and the SMC 2202USB. Also works with the ADMtek AN986 Pegasus
# eval board.
device aue
# ASIX Electronics AX88172 USB 2.0 ethernet driver. Used in the
# LinkSys USB200M and various other adapters.
device axe
# ASIX Electronics AX88178A/AX88179 USB 2.0/3.0 gigabit ethernet driver.
device axge
#
# Devices which communicate using Ethernet over USB, particularly
# Communication Device Class (CDC) Ethernet specification. Supports
# Sharp Zaurus PDAs, some DOCSIS cable modems and so on.
device cdce
#
# CATC USB-EL1201A USB ethernet. Supports the CATC Netmate
# and Netmate II, and the Belkin F5U111.
device cue
#
# Kawasaki LSI ethernet. Supports the LinkSys USB10T,
# Entrega USB-NET-E45, Peracom Ethernet Adapter, the
# 3Com 3c19250, the ADS Technologies USB-10BT, the ATen UC10T,
# the Netgear EA101, the D-Link DSB-650, the SMC 2102USB
# and 2104USB, and the Corega USB-T.
device kue
#
# RealTek RTL8150 USB to fast ethernet. Supports the Melco LUA-KTX
# and the GREEN HOUSE GH-USB100B.
device rue
#
# Davicom DM9601E USB to fast ethernet. Supports the Corega FEther USB-TXC.
device udav
#
# RealTek RTL8152/RTL8153 USB Ethernet driver
device ure
#
# Moschip MCS7730/MCS7840 USB to fast ethernet. Supports the Sitecom LN030.
device mos
#
# HSxPA devices from Option N.V
device uhso
# Realtek RTL8188SU/RTL8191SU/RTL8192SU wireless driver
device rsu
#
# Ralink Technology RT2501USB/RT2601USB wireless driver
device rum
# Ralink Technology RT2700U/RT2800U/RT3000U wireless driver
device run
#
# Atheros AR5523 wireless driver
device uath
#
# Conexant/Intersil PrismGT wireless driver
device upgt
#
# Ralink Technology RT2500USB wireless driver
device ural
#
# RNDIS USB ethernet driver
device urndis
# Realtek RTL8187B/L wireless driver
device urtw
#
# ZyDas ZD1211/ZD1211B wireless driver
device zyd
#
# Sierra USB wireless driver
device usie
#
# debugging options for the USB subsystem
#
options USB_DEBUG
options U3G_DEBUG
# options for ukbd:
options UKBD_DFLT_KEYMAP # specify the built-in keymap
makeoptions UKBD_DFLT_KEYMAP=jp.106
# options for uplcom:
options UPLCOM_INTR_INTERVAL=100 # interrupt pipe interval
# in milliseconds
# options for uvscom:
options UVSCOM_DEFAULT_OPKTSIZE=8 # default output packet size
options UVSCOM_INTR_INTERVAL=100 # interrupt pipe interval
# in milliseconds
#####################################################################
# FireWire support
device firewire # FireWire bus code
device sbp # SCSI over Firewire (Requires scbus and da)
device sbp_targ # SBP-2 Target mode (Requires scbus and targ)
device fwe # Ethernet over FireWire (non-standard!)
device fwip # IP over FireWire (RFC2734 and RFC3146)
#####################################################################
# dcons support (Dumb Console Device)
device dcons # dumb console driver
device dcons_crom # FireWire attachment
options DCONS_BUF_SIZE=16384 # buffer size
options DCONS_POLL_HZ=100 # polling rate
options DCONS_FORCE_CONSOLE=0 # force to be the primary console
options DCONS_FORCE_GDB=1 # force to be the gdb device
#####################################################################
# crypto subsystem
#
# This is a port of the OpenBSD crypto framework. Include this when
# configuring IPSEC and when you have a h/w crypto device to accelerate
# user applications that link to OpenSSL.
#
# Drivers are ports from OpenBSD with some simple enhancements that have
# been fed back to OpenBSD.
device crypto # core crypto support
# Only install the cryptodev device if you are running tests, or know
# specifically why you need it. In most cases, it is not needed and
# will make things slower.
device cryptodev # /dev/crypto for access to h/w
device rndtest # FIPS 140-2 entropy tester
device ccr # Chelsio T6
device hifn # Hifn 7951, 7781, etc.
options HIFN_DEBUG # enable debugging support: hw.hifn.debug
options HIFN_RNDTEST # enable rndtest support
#####################################################################
#
# Embedded system options:
#
# An embedded system might want to run something other than init.
options INIT_PATH=/sbin/init:/rescue/init
# Debug options
options BUS_DEBUG # enable newbus debugging
options DEBUG_VFS_LOCKS # enable VFS lock debugging
options SOCKBUF_DEBUG # enable sockbuf last record/mb tail checking
options IFMEDIA_DEBUG # enable debugging in net/if_media.c
#
# Verbose SYSINIT
#
# Make the SYSINIT process performed by mi_startup() verbose. This is very
# useful when porting to a new architecture. If DDB is also enabled, this
# will print function names instead of addresses. If defined with a value
# of zero, the verbose code is compiled-in but disabled by default, and can
# be enabled with the debug.verbose_sysinit=1 tunable.
options VERBOSE_SYSINIT
#####################################################################
# SYSV IPC KERNEL PARAMETERS
#
# Maximum number of System V semaphores that can be used on the system at
# one time.
options SEMMNI=11
# Total number of semaphores system wide
options SEMMNS=61
# Total number of undo structures in system
options SEMMNU=31
# Maximum number of System V semaphores that can be used by a single process
# at one time.
options SEMMSL=61
# Maximum number of operations that can be outstanding on a single System V
# semaphore at one time.
options SEMOPM=101
# Maximum number of undo operations that can be outstanding on a single
# System V semaphore at one time.
options SEMUME=11
# Maximum number of shared memory pages system wide.
options SHMALL=1025
# Maximum size, in bytes, of a single System V shared memory region.
options SHMMAX=(SHMMAXPGS*PAGE_SIZE+1)
options SHMMAXPGS=1025
# Minimum size, in bytes, of a single System V shared memory region.
options SHMMIN=2
# Maximum number of shared memory regions that can be used on the system
# at one time.
options SHMMNI=33
# Maximum number of System V shared memory regions that can be attached to
# a single process at one time.
options SHMSEG=9
# Set the amount of time (in seconds) the system will wait before
# rebooting automatically when a kernel panic occurs. If set to (-1),
# the system will wait indefinitely until a key is pressed on the
# console.
options PANIC_REBOOT_WAIT_TIME=16
# Attempt to bypass the buffer cache and put data directly into the
# userland buffer for read operation when O_DIRECT flag is set on the
# file. Both offset and length of the read operation must be
# multiples of the physical media sector size.
#
options DIRECTIO
# Specify a lower limit for the number of swap I/O buffers. They are
# (among other things) used when bypassing the buffer cache due to
# DIRECTIO kernel option enabled and O_DIRECT flag set on file.
#
options NSWBUF_MIN=120
#####################################################################
# More undocumented options for linting.
# Note that documenting these is not considered an affront.
options CAM_DEBUG_DELAY
options DEBUG
# Kernel filelock debugging.
options LOCKF_DEBUG
# System V compatible message queues
# Please note that the values provided here are used to test kernel
# building. The defaults in the sources provide almost the same numbers.
# MSGSSZ must be a power of 2 between 8 and 1024.
options MSGMNB=2049 # Max number of chars in queue
options MSGMNI=41 # Max number of message queue identifiers
options MSGSEG=2049 # Max number of message segments
options MSGSSZ=16 # Size of a message segment
options MSGTQL=41 # Max number of messages in system
options NBUF=512 # Number of buffer headers
options SC_DEBUG_LEVEL=5 # Syscons debug level
options SC_RENDER_DEBUG # syscons rendering debugging
options VFS_BIO_DEBUG # VFS buffer I/O debugging
options KSTACK_MAX_PAGES=32 # Maximum pages to give the kernel stack
options KSTACK_USAGE_PROF
# Adaptec Array Controller driver options
options AAC_DEBUG # Debugging levels:
# 0 - quiet, only emit warnings
# 1 - noisy, emit major function
# points and things done
# 2 - extremely noisy, emit trace
# items in loops, etc.
# Resource Accounting
options RACCT
# Resource Limits
options RCTL
# Yet more undocumented options for linting.
options MAXFILES=999
# Random number generator
# Alternative algorithm.
#options RANDOM_FENESTRASX
# Allow the CSPRNG algorithm to be loaded as a module.
#options RANDOM_LOADABLE
# Select this to allow high-rate but potentially expensive
# harvesting of Slab-Allocator entropy. In very high-rate
# situations the value of doing this is dubious at best.
options RANDOM_ENABLE_UMA # slab allocator
# Select this to allow high-rate but potentially expensive
# harvesting of of the m_next pointer in the mbuf. Note that
# the m_next pointer is NULL except when receiving > 4K
# jumbo frames or sustained bursts by way of LRO. Thus in
# the common case it is stirring zero in to the entropy
# pool. In cases where it is not NULL it is pointing to one
# of a small (in the thousands to 10s of thousands) number
# of 256 byte aligned mbufs. Hence it is, even in the best
# case, a poor source of entropy. And in the absence of actual
# runtime analysis of entropy collection may mislead the user in
# to believe that substantially more entropy is being collected
# than in fact is - leading to a different class of security
# risk. In high packet rate situations ethernet entropy
# collection is also very expensive, possibly leading to as
# much as a 50% drop in packets received.
# This option is present to maintain backwards compatibility
# if desired, however it cannot be recommended for use in any
# environment.
options RANDOM_ENABLE_ETHER # ether_input
# Module to enable execution of application via emulators like QEMU
options IMAGACT_BINMISC
# zlib I/O stream support
# This enables support for compressed core dumps.
options GZIO
# zstd support
# This enables support for Zstd compressed core dumps, GEOM_UZIP images,
# and is required by zfs if statically linked.
options ZSTDIO
# BHND(4) drivers
options BHND_LOGLEVEL # Logging threshold level
# evdev interface
device evdev # input event device support
options EVDEV_SUPPORT # evdev support in legacy drivers
options EVDEV_DEBUG # enable event debug msgs
device uinput # install /dev/uinput cdev
options UINPUT_DEBUG # enable uinput debug msgs
# Encrypted kernel crash dumps.
options EKCD
# Serial Peripheral Interface (SPI) support.
device spibus # Bus support.
device at45d # DataFlash driver
device cqspi #
device mx25l # SPIFlash driver
device n25q #
device spigen # Generic access to SPI devices from userland.
# Enable legacy /dev/spigenN name aliases for /dev/spigenX.Y devices.
options SPIGEN_LEGACY_CDEVNAME # legacy device names for spigen
# Compression supports.
device zlib # gzip/zlib compression/decompression library
device xz # xz_embedded LZMA de-compression library
# Kernel support for stats(3).
options STATS