1# $FreeBSD$ 2# 3# NOTES -- Lines that can be cut/pasted into kernel and hints configs. 4# 5# Lines that begin with 'device', 'options', 'machine', 'ident', 'maxusers', 6# 'makeoptions', 'hints', etc. go into the kernel configuration that you 7# run config(8) with. 8# 9# Lines that begin with 'envvar hint.' should go into your hints file. 10# See /boot/device.hints and/or the 'hints' config(8) directive. 11# 12# Please use ``make LINT'' to create an old-style LINT file if you want to 13# do kernel test-builds. 14# 15# This file contains machine independent kernel configuration notes. For 16# machine dependent notes, look in /sys/<arch>/conf/NOTES. 17# 18 19# 20# NOTES conventions and style guide: 21# 22# Large block comments should begin and end with a line containing only a 23# comment character. 24# 25# To describe a particular object, a block comment (if it exists) should 26# come first. Next should come device, options, and hints lines in that 27# order. All device and option lines must be described by a comment that 28# doesn't just expand the device or option name. Use only a concise 29# comment on the same line if possible. Very detailed descriptions of 30# devices and subsystems belong in man pages. 31# 32# A space followed by a tab separates 'options' from an option name. Two 33# spaces followed by a tab separate 'device' from a device name. Comments 34# after an option or device should use one space after the comment character. 35# To comment out a negative option that disables code and thus should not be 36# enabled for LINT builds, precede 'options' with "#!". 37# 38 39# 40# This is the ``identification'' of the kernel. Usually this should 41# be the same as the name of your kernel. 42# 43ident LINT 44 45# 46# The `maxusers' parameter controls the static sizing of a number of 47# internal system tables by a formula defined in subr_param.c. 48# Omitting this parameter or setting it to 0 will cause the system to 49# auto-size based on physical memory. 50# 51maxusers 10 52 53# To statically compile in device wiring instead of /boot/device.hints 54#hints "LINT.hints" # Default places to look for devices. 55 56# Use the following to compile in values accessible to the kernel 57# through getenv() (or kenv(1) in userland). The format of the file 58# is 'variable=value', see kenv(1) 59# 60#env "LINT.env" 61 62# 63# The `makeoptions' parameter allows variables to be passed to the 64# generated Makefile in the build area. 65# 66# CONF_CFLAGS gives some extra compiler flags that are added to ${CFLAGS} 67# after most other flags. Here we use it to inhibit use of non-optimal 68# gcc built-in functions (e.g., memcmp). 69# 70# DEBUG happens to be magic. 71# The following is equivalent to 'config -g KERNELNAME' and creates 72# 'kernel.debug' compiled with -g debugging as well as a normal 73# 'kernel'. Use 'make install.debug' to install the debug kernel 74# but that isn't normally necessary as the debug symbols are not loaded 75# by the kernel and are not useful there anyway. 76# 77# KERNEL can be overridden so that you can change the default name of your 78# kernel. 79# 80# MODULES_OVERRIDE can be used to limit modules built to a specific list. 81# 82makeoptions CONF_CFLAGS=-fno-builtin #Don't allow use of memcmp, etc. 83#makeoptions DEBUG=-g #Build kernel with gdb(1) debug symbols 84#makeoptions KERNEL=foo #Build kernel "foo" and install "/foo" 85# Only build ext2fs module plus those parts of the sound system I need. 86#makeoptions MODULES_OVERRIDE="ext2fs sound/sound sound/driver/maestro3" 87makeoptions DESTDIR=/tmp 88 89# 90# FreeBSD processes are subject to certain limits to their consumption 91# of system resources. See getrlimit(2) for more details. Each 92# resource limit has two values, a "soft" limit and a "hard" limit. 93# The soft limits can be modified during normal system operation, but 94# the hard limits are set at boot time. Their default values are 95# in sys/<arch>/include/vmparam.h. There are two ways to change them: 96# 97# 1. Set the values at kernel build time. The options below are one 98# way to allow that limit to grow to 1GB. They can be increased 99# further by changing the parameters: 100# 101# 2. In /boot/loader.conf, set the tunables kern.maxswzone, 102# kern.maxbcache, kern.maxtsiz, kern.dfldsiz, kern.maxdsiz, 103# kern.dflssiz, kern.maxssiz and kern.sgrowsiz. 104# 105# The options in /boot/loader.conf override anything in the kernel 106# configuration file. See the function init_param1 in 107# sys/kern/subr_param.c for more details. 108# 109 110options MAXDSIZ=(1024UL*1024*1024) 111options MAXSSIZ=(128UL*1024*1024) 112options DFLDSIZ=(1024UL*1024*1024) 113 114# 115# BLKDEV_IOSIZE sets the default block size used in user block 116# device I/O. Note that this value will be overridden by the label 117# when specifying a block device from a label with a non-0 118# partition blocksize. The default is PAGE_SIZE. 119# 120options BLKDEV_IOSIZE=8192 121 122# 123# MAXPHYS and DFLTPHYS 124# 125# These are the maximal and safe 'raw' I/O block device access sizes. 126# Reads and writes will be split into MAXPHYS chunks for known good 127# devices and DFLTPHYS for the rest. Some applications have better 128# performance with larger raw I/O access sizes. Note that certain VM 129# parameters are derived from these values and making them too large 130# can make an unbootable kernel. 131# 132# The defaults are 64K and 128K respectively. 133options DFLTPHYS=(64*1024) 134options MAXPHYS=(128*1024) 135 136 137# This allows you to actually store this configuration file into 138# the kernel binary itself. See config(8) for more details. 139# 140options INCLUDE_CONFIG_FILE # Include this file in kernel 141 142# 143# Compile-time defaults for various boot parameters 144# 145options BOOTVERBOSE=1 146options BOOTHOWTO=RB_MULTIPLE 147 148# 149# Compile-time defaults for dmesg boot tagging 150# 151# Default boot tag; may use 'kern.boot_tag' loader tunable to override. The 152# current boot's tag is also exposed via the 'kern.boot_tag' sysctl. 153options BOOT_TAG=\"\" 154# Maximum boot tag size the kernel's static buffer should accomodate. Maximum 155# size for both BOOT_TAG and the assocated tunable. 156options BOOT_TAG_SZ=32 157 158options GEOM_BDE # Disk encryption. 159options GEOM_CACHE # Disk cache. 160options GEOM_CONCAT # Disk concatenation. 161options GEOM_ELI # Disk encryption. 162options GEOM_GATE # Userland services. 163options GEOM_JOURNAL # Journaling. 164options GEOM_LABEL # Providers labelization. 165options GEOM_LINUX_LVM # Linux LVM2 volumes 166options GEOM_MAP # Map based partitioning 167options GEOM_MIRROR # Disk mirroring. 168options GEOM_MULTIPATH # Disk multipath 169options GEOM_NOP # Test class. 170options GEOM_PART_APM # Apple partitioning 171options GEOM_PART_BSD # BSD disklabel 172options GEOM_PART_BSD64 # BSD disklabel64 173options GEOM_PART_EBR # Extended Boot Records 174options GEOM_PART_GPT # GPT partitioning 175options GEOM_PART_LDM # Logical Disk Manager 176options GEOM_PART_MBR # MBR partitioning 177options GEOM_PART_VTOC8 # SMI VTOC8 disk label 178options GEOM_RAID # Soft RAID functionality. 179options GEOM_RAID3 # RAID3 functionality. 180options GEOM_SHSEC # Shared secret. 181options GEOM_STRIPE # Disk striping. 182options GEOM_UZIP # Read-only compressed disks 183options GEOM_VINUM # Vinum logical volume manager 184options GEOM_VIRSTOR # Virtual storage. 185options GEOM_ZERO # Performance testing helper. 186 187# 188# The root device and filesystem type can be compiled in; 189# this provides a fallback option if the root device cannot 190# be correctly guessed by the bootstrap code, or an override if 191# the RB_DFLTROOT flag (-r) is specified when booting the kernel. 192# 193options ROOTDEVNAME=\"ufs:da0s2e\" 194 195 196##################################################################### 197# Scheduler options: 198# 199# Specifying one of SCHED_4BSD or SCHED_ULE is mandatory. These options 200# select which scheduler is compiled in. 201# 202# SCHED_4BSD is the historical, proven, BSD scheduler. It has a global run 203# queue and no CPU affinity which makes it suboptimal for SMP. It has very 204# good interactivity and priority selection. 205# 206# SCHED_ULE provides significant performance advantages over 4BSD on many 207# workloads on SMP machines. It supports cpu-affinity, per-cpu runqueues 208# and scheduler locks. It also has a stronger notion of interactivity 209# which leads to better responsiveness even on uniprocessor machines. This 210# is the default scheduler. 211# 212# SCHED_STATS is a debugging option which keeps some stats in the sysctl 213# tree at 'kern.sched.stats' and is useful for debugging scheduling decisions. 214# 215options SCHED_4BSD 216options SCHED_STATS 217#options SCHED_ULE 218 219##################################################################### 220# SMP OPTIONS: 221# 222# SMP enables building of a Symmetric MultiProcessor Kernel. 223 224# Mandatory: 225options SMP # Symmetric MultiProcessor Kernel 226 227# EARLY_AP_STARTUP releases the Application Processors earlier in the 228# kernel startup process (before devices are probed) rather than at the 229# end. This is a temporary option for use during the transition from 230# late to early AP startup. 231options EARLY_AP_STARTUP 232 233# MAXCPU defines the maximum number of CPUs that can boot in the system. 234# A default value should be already present, for every architecture. 235options MAXCPU=32 236 237# NUMA enables use of Non-Uniform Memory Access policies in various kernel 238# subsystems. 239options NUMA 240 241# MAXMEMDOM defines the maximum number of memory domains that can boot in the 242# system. A default value should already be defined by every architecture. 243options MAXMEMDOM=2 244 245# ADAPTIVE_MUTEXES changes the behavior of blocking mutexes to spin 246# if the thread that currently owns the mutex is executing on another 247# CPU. This behavior is enabled by default, so this option can be used 248# to disable it. 249options NO_ADAPTIVE_MUTEXES 250 251# ADAPTIVE_RWLOCKS changes the behavior of reader/writer locks to spin 252# if the thread that currently owns the rwlock is executing on another 253# CPU. This behavior is enabled by default, so this option can be used 254# to disable it. 255options NO_ADAPTIVE_RWLOCKS 256 257# ADAPTIVE_SX changes the behavior of sx locks to spin if the thread that 258# currently owns the sx lock is executing on another CPU. 259# This behavior is enabled by default, so this option can be used to 260# disable it. 261options NO_ADAPTIVE_SX 262 263# MUTEX_NOINLINE forces mutex operations to call functions to perform each 264# operation rather than inlining the simple cases. This can be used to 265# shrink the size of the kernel text segment. Note that this behavior is 266# already implied by the INVARIANT_SUPPORT, INVARIANTS, KTR, LOCK_PROFILING, 267# and WITNESS options. 268options MUTEX_NOINLINE 269 270# RWLOCK_NOINLINE forces rwlock operations to call functions to perform each 271# operation rather than inlining the simple cases. This can be used to 272# shrink the size of the kernel text segment. Note that this behavior is 273# already implied by the INVARIANT_SUPPORT, INVARIANTS, KTR, LOCK_PROFILING, 274# and WITNESS options. 275options RWLOCK_NOINLINE 276 277# SX_NOINLINE forces sx lock operations to call functions to perform each 278# operation rather than inlining the simple cases. This can be used to 279# shrink the size of the kernel text segment. Note that this behavior is 280# already implied by the INVARIANT_SUPPORT, INVARIANTS, KTR, LOCK_PROFILING, 281# and WITNESS options. 282options SX_NOINLINE 283 284# SMP Debugging Options: 285# 286# CALLOUT_PROFILING enables rudimentary profiling of the callwheel data 287# structure used as backend in callout(9). 288# PREEMPTION allows the threads that are in the kernel to be preempted by 289# higher priority [interrupt] threads. It helps with interactivity 290# and allows interrupt threads to run sooner rather than waiting. 291# WARNING! Only tested on amd64 and i386. 292# FULL_PREEMPTION instructs the kernel to preempt non-realtime kernel 293# threads. Its sole use is to expose race conditions and other 294# bugs during development. Enabling this option will reduce 295# performance and increase the frequency of kernel panics by 296# design. If you aren't sure that you need it then you don't. 297# Relies on the PREEMPTION option. DON'T TURN THIS ON. 298# SLEEPQUEUE_PROFILING enables rudimentary profiling of the hash table 299# used to hold active sleep queues as well as sleep wait message 300# frequency. 301# TURNSTILE_PROFILING enables rudimentary profiling of the hash table 302# used to hold active lock queues. 303# UMTX_PROFILING enables rudimentary profiling of the hash table used 304# to hold active lock queues. 305# WITNESS enables the witness code which detects deadlocks and cycles 306# during locking operations. 307# WITNESS_KDB causes the witness code to drop into the kernel debugger if 308# a lock hierarchy violation occurs or if locks are held when going to 309# sleep. 310# WITNESS_SKIPSPIN disables the witness checks on spin mutexes. 311options PREEMPTION 312options FULL_PREEMPTION 313options WITNESS 314options WITNESS_KDB 315options WITNESS_SKIPSPIN 316 317# LOCK_PROFILING - Profiling locks. See LOCK_PROFILING(9) for details. 318options LOCK_PROFILING 319# Set the number of buffers and the hash size. The hash size MUST be larger 320# than the number of buffers. Hash size should be prime. 321options MPROF_BUFFERS="1536" 322options MPROF_HASH_SIZE="1543" 323 324# Profiling for the callout(9) backend. 325options CALLOUT_PROFILING 326 327# Profiling for internal hash tables. 328options SLEEPQUEUE_PROFILING 329options TURNSTILE_PROFILING 330options UMTX_PROFILING 331 332# Debugging traces for epoch(9) misuse 333options EPOCH_TRACE 334 335##################################################################### 336# COMPATIBILITY OPTIONS 337 338# Old tty interface. 339options COMPAT_43TTY 340 341# Note that as a general rule, COMPAT_FREEBSD<n> depends on 342# COMPAT_FREEBSD<n+1>, COMPAT_FREEBSD<n+2>, etc. 343 344# Enable FreeBSD4 compatibility syscalls 345options COMPAT_FREEBSD4 346 347# Enable FreeBSD5 compatibility syscalls 348options COMPAT_FREEBSD5 349 350# Enable FreeBSD6 compatibility syscalls 351options COMPAT_FREEBSD6 352 353# Enable FreeBSD7 compatibility syscalls 354options COMPAT_FREEBSD7 355 356# Enable FreeBSD9 compatibility syscalls 357options COMPAT_FREEBSD9 358 359# Enable FreeBSD10 compatibility syscalls 360options COMPAT_FREEBSD10 361 362# Enable FreeBSD11 compatibility syscalls 363options COMPAT_FREEBSD11 364 365# Enable FreeBSD12 compatibility syscalls 366options COMPAT_FREEBSD12 367 368# Enable Linux Kernel Programming Interface 369options COMPAT_LINUXKPI 370 371# 372# These three options provide support for System V Interface 373# Definition-style interprocess communication, in the form of shared 374# memory, semaphores, and message queues, respectively. 375# 376options SYSVSHM 377options SYSVSEM 378options SYSVMSG 379 380 381##################################################################### 382# DEBUGGING OPTIONS 383 384# 385# Compile with kernel debugger related code. 386# 387options KDB 388 389# 390# Print a stack trace of the current thread on the console for a panic. 391# 392options KDB_TRACE 393 394# 395# Don't enter the debugger for a panic. Intended for unattended operation 396# where you may want to enter the debugger from the console, but still want 397# the machine to recover from a panic. 398# 399options KDB_UNATTENDED 400 401# 402# Enable the ddb debugger backend. 403# 404options DDB 405 406# 407# Print the numerical value of symbols in addition to the symbolic 408# representation. 409# 410options DDB_NUMSYM 411 412# 413# Enable the remote gdb debugger backend. 414# 415options GDB 416 417# 418# Trashes list pointers when they become invalid (i.e., the element is 419# removed from a list). Relatively inexpensive to enable. 420# 421options QUEUE_MACRO_DEBUG_TRASH 422 423# 424# Stores information about the last caller to modify the list object 425# in the list object. Requires additional memory overhead. 426# 427#options QUEUE_MACRO_DEBUG_TRACE 428 429# 430# SYSCTL_DEBUG enables a 'sysctl' debug tree that can be used to dump the 431# contents of the registered sysctl nodes on the console. It is disabled by 432# default because it generates excessively verbose console output that can 433# interfere with serial console operation. 434# 435options SYSCTL_DEBUG 436 437# 438# Enable textdump by default, this disables kernel core dumps. 439# 440options TEXTDUMP_PREFERRED 441 442# 443# Enable extra debug messages while performing textdumps. 444# 445options TEXTDUMP_VERBOSE 446 447# 448# NO_SYSCTL_DESCR omits the sysctl node descriptions to save space in the 449# resulting kernel. 450options NO_SYSCTL_DESCR 451 452# 453# MALLOC_DEBUG_MAXZONES enables multiple uma zones for malloc(9) 454# allocations that are smaller than a page. The purpose is to isolate 455# different malloc types into hash classes, so that any buffer 456# overruns or use-after-free will usually only affect memory from 457# malloc types in that hash class. This is purely a debugging tool; 458# by varying the hash function and tracking which hash class was 459# corrupted, the intersection of the hash classes from each instance 460# will point to a single malloc type that is being misused. At this 461# point inspection or memguard(9) can be used to catch the offending 462# code. 463# 464options MALLOC_DEBUG_MAXZONES=8 465 466# 467# DEBUG_MEMGUARD builds and enables memguard(9), a replacement allocator 468# for the kernel used to detect modify-after-free scenarios. See the 469# memguard(9) man page for more information on usage. 470# 471options DEBUG_MEMGUARD 472 473# 474# DEBUG_REDZONE enables buffer underflows and buffer overflows detection for 475# malloc(9). 476# 477options DEBUG_REDZONE 478 479# 480# EARLY_PRINTF enables support for calling a special printf (eprintf) 481# very early in the kernel (before cn_init() has been called). This 482# should only be used for debugging purposes early in boot. Normally, 483# it is not defined. It is commented out here because this feature 484# isn't generally available. And the required eputc() isn't defined. 485# 486#options EARLY_PRINTF 487 488# 489# KTRACE enables the system-call tracing facility ktrace(2). To be more 490# SMP-friendly, KTRACE uses a worker thread to process most trace events 491# asynchronously to the thread generating the event. This requires a 492# pre-allocated store of objects representing trace events. The 493# KTRACE_REQUEST_POOL option specifies the initial size of this store. 494# The size of the pool can be adjusted both at boottime and runtime via 495# the kern.ktrace_request_pool tunable and sysctl. 496# 497options KTRACE #kernel tracing 498options KTRACE_REQUEST_POOL=101 499 500# 501# KTR is a kernel tracing facility imported from BSD/OS. It is 502# enabled with the KTR option. KTR_ENTRIES defines the number of 503# entries in the circular trace buffer; it may be an arbitrary number. 504# KTR_BOOT_ENTRIES defines the number of entries during the early boot, 505# before malloc(9) is functional. 506# KTR_COMPILE defines the mask of events to compile into the kernel as 507# defined by the KTR_* constants in <sys/ktr.h>. KTR_MASK defines the 508# initial value of the ktr_mask variable which determines at runtime 509# what events to trace. KTR_CPUMASK determines which CPU's log 510# events, with bit X corresponding to CPU X. The layout of the string 511# passed as KTR_CPUMASK must match a series of bitmasks each of them 512# separated by the "," character (ie: 513# KTR_CPUMASK=0xAF,0xFFFFFFFFFFFFFFFF). KTR_VERBOSE enables 514# dumping of KTR events to the console by default. This functionality 515# can be toggled via the debug.ktr_verbose sysctl and defaults to off 516# if KTR_VERBOSE is not defined. See ktr(4) and ktrdump(8) for details. 517# 518options KTR 519options KTR_BOOT_ENTRIES=1024 520options KTR_ENTRIES=(128*1024) 521options KTR_COMPILE=(KTR_ALL) 522options KTR_MASK=KTR_INTR 523options KTR_CPUMASK=0x3 524options KTR_VERBOSE 525 526# 527# ALQ(9) is a facility for the asynchronous queuing of records from the kernel 528# to a vnode, and is employed by services such as ktr(4) to produce trace 529# files based on a kernel event stream. Records are written asynchronously 530# in a worker thread. 531# 532options ALQ 533options KTR_ALQ 534 535# 536# The INVARIANTS option is used in a number of source files to enable 537# extra sanity checking of internal structures. This support is not 538# enabled by default because of the extra time it would take to check 539# for these conditions, which can only occur as a result of 540# programming errors. 541# 542options INVARIANTS 543 544# 545# The INVARIANT_SUPPORT option makes us compile in support for 546# verifying some of the internal structures. It is a prerequisite for 547# 'INVARIANTS', as enabling 'INVARIANTS' will make these functions be 548# called. The intent is that you can set 'INVARIANTS' for single 549# source files (by changing the source file or specifying it on the 550# command line) if you have 'INVARIANT_SUPPORT' enabled. Also, if you 551# wish to build a kernel module with 'INVARIANTS', then adding 552# 'INVARIANT_SUPPORT' to your kernel will provide all the necessary 553# infrastructure without the added overhead. 554# 555options INVARIANT_SUPPORT 556 557# 558# The KASSERT_PANIC_OPTIONAL option allows kasserts to fire without 559# necessarily inducing a panic. Panic is the default behavior, but 560# runtime options can configure it either entirely off, or off with a 561# limit. 562# 563options KASSERT_PANIC_OPTIONAL 564 565# 566# The DIAGNOSTIC option is used to enable extra debugging information 567# and invariants checking. The added checks are too expensive or noisy 568# for an INVARIANTS kernel and thus are disabled by default. It is 569# expected that a kernel configured with DIAGNOSTIC will also have the 570# INVARIANTS option enabled. 571# 572options DIAGNOSTIC 573 574# 575# REGRESSION causes optional kernel interfaces necessary only for regression 576# testing to be enabled. These interfaces may constitute security risks 577# when enabled, as they permit processes to easily modify aspects of the 578# run-time environment to reproduce unlikely or unusual (possibly normally 579# impossible) scenarios. 580# 581options REGRESSION 582 583# 584# This option lets some drivers co-exist that can't co-exist in a running 585# system. This is used to be able to compile all kernel code in one go for 586# quality assurance purposes (like this file, which the option takes it name 587# from.) 588# 589options COMPILING_LINT 590 591# 592# STACK enables the stack(9) facility, allowing the capture of kernel stack 593# for the purpose of procinfo(1), etc. stack(9) will also be compiled in 594# automatically if DDB(4) is compiled into the kernel. 595# 596options STACK 597 598# 599# The NUM_CORE_FILES option specifies the limit for the number of core 600# files generated by a particular process, when the core file format 601# specifier includes the %I pattern. Since we only have 1 character for 602# the core count in the format string, meaning the range will be 0-9, the 603# maximum value allowed for this option is 10. 604# This core file limit can be adjusted at runtime via the debug.ncores 605# sysctl. 606# 607options NUM_CORE_FILES=5 608 609# 610# The TSLOG option enables timestamped logging of events, especially 611# function entries/exits, in order to track the time spent by the kernel. 612# In particular, this is useful when investigating the early boot process, 613# before it is possible to use more sophisticated tools like DTrace. 614# The TSLOGSIZE option controls the size of the (preallocated, fixed 615# length) buffer used for storing these events (default: 262144 records). 616# 617# For security reasons the TSLOG option should not be enabled on systems 618# used in production. 619# 620options TSLOG 621options TSLOGSIZE=262144 622 623 624##################################################################### 625# PERFORMANCE MONITORING OPTIONS 626 627# 628# The hwpmc driver that allows the use of in-CPU performance monitoring 629# counters for performance monitoring. The base kernel needs to be configured 630# with the 'options' line, while the hwpmc device can be either compiled 631# in or loaded as a loadable kernel module. 632# 633# Additional configuration options may be required on specific architectures, 634# please see hwpmc(4). 635 636device hwpmc # Driver (also a loadable module) 637options HWPMC_DEBUG 638options HWPMC_HOOKS # Other necessary kernel hooks 639 640 641##################################################################### 642# NETWORKING OPTIONS 643 644# 645# Protocol families 646# 647options INET #Internet communications protocols 648options INET6 #IPv6 communications protocols 649# 650# Note if you include INET/INET6 or both options 651# You *must* define at least one of the congestion control 652# options or the compile will fail. Generic defines 653# options CC_NEWRENO. You also will need to specify 654# a default or the compile of your kernel will fail 655# as well. The string in default is the name of the 656# cc module as it would appear in the sysctl for 657# setting the default. Generic defines newreno 658# as shown below. 659# 660options CC_CDG 661options CC_CHD 662options CC_CUBIC 663options CC_DCTCP 664options CC_HD 665options CC_HTCP 666options CC_NEWRENO 667options CC_VEGAS 668options CC_DEFAULT=\"newreno\" 669options RATELIMIT # TX rate limiting support 670 671options ROUTETABLES=2 # allocated fibs up to 65536. default is 1. 672 # but that would be a bad idea as they are large. 673 674options TCP_OFFLOAD # TCP offload support. 675options TCP_RFC7413 # TCP Fast Open 676 677options TCPHPTS 678 679# In order to enable IPSEC you MUST also add device crypto to 680# your kernel configuration 681options IPSEC #IP security (requires device crypto) 682 683# Option IPSEC_SUPPORT does not enable IPsec, but makes it possible to 684# load it as a kernel module. You still MUST add device crypto to your kernel 685# configuration. 686options IPSEC_SUPPORT 687#options IPSEC_DEBUG #debug for IP security 688 689 690# TLS framing and encryption/decryption of data over TCP sockets. 691options KERN_TLS # TLS transmit and receive offload 692 693# 694# SMB/CIFS requester 695# NETSMB enables support for SMB protocol, it requires LIBMCHAIN and LIBICONV 696# options. 697options NETSMB #SMB/CIFS requester 698 699# mchain library. It can be either loaded as KLD or compiled into kernel 700options LIBMCHAIN 701 702# libalias library, performing NAT 703options LIBALIAS 704 705# 706# SCTP is a NEW transport protocol defined by 707# RFC2960 updated by RFC3309 and RFC3758.. and 708# soon to have a new base RFC and many many more 709# extensions. This release supports all the extensions 710# including many drafts (most about to become RFC's). 711# It is the reference implementation of SCTP 712# and is quite well tested. 713# 714# Note YOU MUST have both INET and INET6 defined. 715# You don't have to enable V6, but SCTP is 716# dual stacked and so far we have not torn apart 717# the V6 and V4.. since an association can span 718# both a V6 and V4 address at the SAME time :-) 719# 720# The SCTP_SUPPORT option does not enable SCTP, but provides the necessary 721# support for loading SCTP as a loadable kernel module. 722# 723options SCTP 724options SCTP_SUPPORT 725 726# There are bunches of options: 727# this one turns on all sorts of 728# nastily printing that you can 729# do. It's all controlled by a 730# bit mask (settable by socket opt and 731# by sysctl). Including will not cause 732# logging until you set the bits.. but it 733# can be quite verbose.. so without this 734# option we don't do any of the tests for 735# bits and prints.. which makes the code run 736# faster.. if you are not debugging don't use. 737options SCTP_DEBUG 738 739# 740# All that options after that turn on specific types of 741# logging. You can monitor CWND growth, flight size 742# and all sorts of things. Go look at the code and 743# see. I have used this to produce interesting 744# charts and graphs as well :-> 745# 746# I have not yet committed the tools to get and print 747# the logs, I will do that eventually .. before then 748# if you want them send me an email rrs@freebsd.org 749# You basically must have ktr(4) enabled for these 750# and you then set the sysctl to turn on/off various 751# logging bits. Use ktrdump(8) to pull the log and run 752# it through a display program.. and graphs and other 753# things too. 754# 755options SCTP_LOCK_LOGGING 756options SCTP_MBUF_LOGGING 757options SCTP_MBCNT_LOGGING 758options SCTP_PACKET_LOGGING 759options SCTP_LTRACE_CHUNKS 760options SCTP_LTRACE_ERRORS 761 762# altq(9). Enable the base part of the hooks with the ALTQ option. 763# Individual disciplines must be built into the base system and can not be 764# loaded as modules at this point. ALTQ requires a stable TSC so if yours is 765# broken or changes with CPU throttling then you must also have the ALTQ_NOPCC 766# option. 767options ALTQ 768options ALTQ_CBQ # Class Based Queueing 769options ALTQ_RED # Random Early Detection 770options ALTQ_RIO # RED In/Out 771options ALTQ_CODEL # CoDel Active Queueing 772options ALTQ_HFSC # Hierarchical Packet Scheduler 773options ALTQ_FAIRQ # Fair Packet Scheduler 774options ALTQ_CDNR # Traffic conditioner 775options ALTQ_PRIQ # Priority Queueing 776options ALTQ_NOPCC # Required if the TSC is unusable 777options ALTQ_DEBUG 778 779# netgraph(4). Enable the base netgraph code with the NETGRAPH option. 780# Individual node types can be enabled with the corresponding option 781# listed below; however, this is not strictly necessary as netgraph 782# will automatically load the corresponding KLD module if the node type 783# is not already compiled into the kernel. Each type below has a 784# corresponding man page, e.g., ng_async(8). 785options NETGRAPH # netgraph(4) system 786options NETGRAPH_DEBUG # enable extra debugging, this 787 # affects netgraph(4) and nodes 788# Node types 789options NETGRAPH_ASYNC 790options NETGRAPH_ATMLLC 791options NETGRAPH_ATM_ATMPIF 792options NETGRAPH_BLUETOOTH # ng_bluetooth(4) 793options NETGRAPH_BLUETOOTH_HCI # ng_hci(4) 794options NETGRAPH_BLUETOOTH_L2CAP # ng_l2cap(4) 795options NETGRAPH_BLUETOOTH_SOCKET # ng_btsocket(4) 796options NETGRAPH_BLUETOOTH_UBT # ng_ubt(4) 797options NETGRAPH_BLUETOOTH_UBTBCMFW # ubtbcmfw(4) 798options NETGRAPH_BPF 799options NETGRAPH_BRIDGE 800options NETGRAPH_CAR 801options NETGRAPH_CHECKSUM 802options NETGRAPH_CISCO 803options NETGRAPH_DEFLATE 804options NETGRAPH_DEVICE 805options NETGRAPH_ECHO 806options NETGRAPH_EIFACE 807options NETGRAPH_ETHER 808options NETGRAPH_FRAME_RELAY 809options NETGRAPH_GIF 810options NETGRAPH_GIF_DEMUX 811options NETGRAPH_HOLE 812options NETGRAPH_IFACE 813options NETGRAPH_IP_INPUT 814options NETGRAPH_IPFW 815options NETGRAPH_KSOCKET 816options NETGRAPH_L2TP 817options NETGRAPH_LMI 818options NETGRAPH_MPPC_COMPRESSION 819options NETGRAPH_MPPC_ENCRYPTION 820options NETGRAPH_NETFLOW 821options NETGRAPH_NAT 822options NETGRAPH_ONE2MANY 823options NETGRAPH_PATCH 824options NETGRAPH_PIPE 825options NETGRAPH_PPP 826options NETGRAPH_PPPOE 827options NETGRAPH_PPTPGRE 828options NETGRAPH_PRED1 829options NETGRAPH_RFC1490 830options NETGRAPH_SOCKET 831options NETGRAPH_SPLIT 832options NETGRAPH_TAG 833options NETGRAPH_TCPMSS 834options NETGRAPH_TEE 835options NETGRAPH_UI 836options NETGRAPH_VJC 837options NETGRAPH_VLAN 838 839# NgATM - Netgraph ATM 840options NGATM_ATM 841options NGATM_ATMBASE 842options NGATM_SSCOP 843options NGATM_SSCFU 844options NGATM_UNI 845options NGATM_CCATM 846 847# Network stack virtualization. 848options VIMAGE 849options VNET_DEBUG # debug for VIMAGE 850 851# 852# Network interfaces: 853# The `loop' device is MANDATORY when networking is enabled. 854device loop 855 856# The `ether' device provides generic code to handle 857# Ethernets; it is MANDATORY when an Ethernet device driver is 858# configured. 859device ether 860 861# The `vlan' device implements the VLAN tagging of Ethernet frames 862# according to IEEE 802.1Q. 863device vlan 864 865# The `vxlan' device implements the VXLAN encapsulation of Ethernet 866# frames in UDP packets according to RFC7348. 867device vxlan 868 869# The `wlan' device provides generic code to support 802.11 870# drivers, including host AP mode; it is MANDATORY for the wi, 871# and ath drivers and will eventually be required by all 802.11 drivers. 872device wlan 873options IEEE80211_DEBUG #enable debugging msgs 874options IEEE80211_SUPPORT_MESH #enable 802.11s D3.0 support 875options IEEE80211_SUPPORT_TDMA #enable TDMA support 876 877# The `wlan_wep', `wlan_tkip', and `wlan_ccmp' devices provide 878# support for WEP, TKIP, and AES-CCMP crypto protocols optionally 879# used with 802.11 devices that depend on the `wlan' module. 880device wlan_wep 881device wlan_ccmp 882device wlan_tkip 883 884# The `wlan_xauth' device provides support for external (i.e. user-mode) 885# authenticators for use with 802.11 drivers that use the `wlan' 886# module and support 802.1x and/or WPA security protocols. 887device wlan_xauth 888 889# The `wlan_acl' device provides a MAC-based access control mechanism 890# for use with 802.11 drivers operating in ap mode and using the 891# `wlan' module. 892# The 'wlan_amrr' device provides AMRR transmit rate control algorithm 893device wlan_acl 894device wlan_amrr 895 896# The `bpf' device enables the Berkeley Packet Filter. Be 897# aware of the legal and administrative consequences of enabling this 898# option. DHCP requires bpf. 899device bpf 900 901# The `netmap' device implements memory-mapped access to network 902# devices from userspace, enabling wire-speed packet capture and 903# generation even at 10Gbit/s. Requires support in the device 904# driver. Supported drivers are ixgbe, e1000, re. 905device netmap 906 907# The `disc' device implements a minimal network interface, 908# which throws away all packets sent and never receives any. It is 909# included for testing and benchmarking purposes. 910device disc 911 912# The `epair' device implements a virtual back-to-back connected Ethernet 913# like interface pair. 914device epair 915 916# The `edsc' device implements a minimal Ethernet interface, 917# which discards all packets sent and receives none. 918device edsc 919 920# The `tuntap' device implements (user-)ppp, nos-tun(8) and a pty-like virtual 921# Ethernet interface 922device tuntap 923 924# The `gif' device implements IPv6 over IP4 tunneling, 925# IPv4 over IPv6 tunneling, IPv4 over IPv4 tunneling and 926# IPv6 over IPv6 tunneling. 927# The `gre' device implements GRE (Generic Routing Encapsulation) tunneling, 928# as specified in the RFC 2784 and RFC 2890. 929# The `me' device implements Minimal Encapsulation within IPv4 as 930# specified in the RFC 2004. 931# The XBONEHACK option allows the same pair of addresses to be configured on 932# multiple gif interfaces. 933device gif 934device gre 935device me 936options XBONEHACK 937 938# The `stf' device implements 6to4 encapsulation. 939device stf 940 941# The pf packet filter consists of three devices: 942# The `pf' device provides /dev/pf and the firewall code itself. 943# The `pflog' device provides the pflog0 interface which logs packets. 944# The `pfsync' device provides the pfsync0 interface used for 945# synchronization of firewall state tables (over the net). 946device pf 947device pflog 948device pfsync 949 950# Bridge interface. 951device if_bridge 952 953# Common Address Redundancy Protocol. See carp(4) for more details. 954device carp 955 956# IPsec interface. 957device enc 958 959# Link aggregation interface. 960device lagg 961 962# 963# Internet family options: 964# 965# MROUTING enables the kernel multicast packet forwarder, which works 966# with mrouted and XORP. 967# 968# IPFIREWALL enables support for IP firewall construction, in 969# conjunction with the `ipfw' program. IPFIREWALL_VERBOSE sends 970# logged packets to the system logger. IPFIREWALL_VERBOSE_LIMIT 971# limits the number of times a matching entry can be logged. 972# 973# WARNING: IPFIREWALL defaults to a policy of "deny ip from any to any" 974# and if you do not add other rules during startup to allow access, 975# YOU WILL LOCK YOURSELF OUT. It is suggested that you set firewall_type=open 976# in /etc/rc.conf when first enabling this feature, then refining the 977# firewall rules in /etc/rc.firewall after you've tested that the new kernel 978# feature works properly. 979# 980# IPFIREWALL_DEFAULT_TO_ACCEPT causes the default rule (at boot) to 981# allow everything. Use with care, if a cracker can crash your 982# firewall machine, they can get to your protected machines. However, 983# if you are using it as an as-needed filter for specific problems as 984# they arise, then this may be for you. Changing the default to 'allow' 985# means that you won't get stuck if the kernel and /sbin/ipfw binary get 986# out of sync. 987# 988# IPDIVERT enables the divert IP sockets, used by ``ipfw divert''. It 989# depends on IPFIREWALL if compiled into the kernel. 990# 991# IPFIREWALL_NAT adds support for in kernel nat in ipfw, and it requires 992# LIBALIAS. 993# 994# IPFIREWALL_NAT64 adds support for in kernel NAT64 in ipfw. 995# 996# IPFIREWALL_NPTV6 adds support for in kernel NPTv6 in ipfw. 997# 998# IPFIREWALL_PMOD adds support for protocols modification module. Currently 999# it supports only TCP MSS modification. 1000# 1001# IPSTEALTH enables code to support stealth forwarding (i.e., forwarding 1002# packets without touching the TTL). This can be useful to hide firewalls 1003# from traceroute and similar tools. 1004# 1005# PF_DEFAULT_TO_DROP causes the default pf(4) rule to deny everything. 1006# 1007# TCPDEBUG enables code which keeps traces of the TCP state machine 1008# for sockets with the SO_DEBUG option set, which can then be examined 1009# using the trpt(8) utility. 1010# 1011# TCPPCAP enables code which keeps the last n packets sent and received 1012# on a TCP socket. 1013# 1014# TCP_BLACKBOX enables enhanced TCP event logging. 1015# 1016# TCP_HHOOK enables the hhook(9) framework hooks for the TCP stack. 1017# 1018# ROUTE_MPATH provides support for multipath routing. 1019# 1020options MROUTING # Multicast routing 1021options IPFIREWALL #firewall 1022options IPFIREWALL_VERBOSE #enable logging to syslogd(8) 1023options IPFIREWALL_VERBOSE_LIMIT=100 #limit verbosity 1024options IPFIREWALL_DEFAULT_TO_ACCEPT #allow everything by default 1025options IPFIREWALL_NAT #ipfw kernel nat support 1026options IPFIREWALL_NAT64 #ipfw kernel NAT64 support 1027options IPFIREWALL_NPTV6 #ipfw kernel IPv6 NPT support 1028options IPDIVERT #divert sockets 1029options IPFILTER #ipfilter support 1030options IPFILTER_LOG #ipfilter logging 1031options IPFILTER_LOOKUP #ipfilter pools 1032options IPFILTER_DEFAULT_BLOCK #block all packets by default 1033options IPSTEALTH #support for stealth forwarding 1034options PF_DEFAULT_TO_DROP #drop everything by default 1035options TCPDEBUG 1036options TCPPCAP 1037options TCP_BLACKBOX 1038options TCP_HHOOK 1039options ROUTE_MPATH 1040 1041# The MBUF_STRESS_TEST option enables options which create 1042# various random failures / extreme cases related to mbuf 1043# functions. See mbuf(9) for a list of available test cases. 1044# MBUF_PROFILING enables code to profile the mbuf chains 1045# exiting the system (via participating interfaces) and 1046# return a logarithmic histogram of monitored parameters 1047# (e.g. packet size, wasted space, number of mbufs in chain). 1048options MBUF_STRESS_TEST 1049options MBUF_PROFILING 1050 1051# Statically link in accept filters 1052options ACCEPT_FILTER_DATA 1053options ACCEPT_FILTER_DNS 1054options ACCEPT_FILTER_HTTP 1055 1056# TCP_SIGNATURE adds support for RFC 2385 (TCP-MD5) digests. These are 1057# carried in TCP option 19. This option is commonly used to protect 1058# TCP sessions (e.g. BGP) where IPSEC is not available nor desirable. 1059# This is enabled on a per-socket basis using the TCP_MD5SIG socket option. 1060# This requires the use of 'device crypto' and either 'options IPSEC' or 1061# 'options IPSEC_SUPPORT'. 1062options TCP_SIGNATURE #include support for RFC 2385 1063 1064# DUMMYNET enables the "dummynet" bandwidth limiter. You need IPFIREWALL 1065# as well. See dummynet(4) and ipfw(8) for more info. When you run 1066# DUMMYNET, HZ/kern.hz should be at least 1000 for adequate response. 1067options DUMMYNET 1068 1069# The DEBUGNET option enables a basic debug/panic-time networking API. It 1070# is used by NETDUMP and NETGDB. 1071options DEBUGNET 1072 1073# The NETDUMP option enables netdump(4) client support in the kernel. 1074# This allows a panicking kernel to transmit a kernel dump to a remote host. 1075options NETDUMP 1076 1077# The NETGDB option enables netgdb(4) support in the kernel. This allows a 1078# panicking kernel to be debugged as a GDB remote over the network. 1079options NETGDB 1080 1081##################################################################### 1082# FILESYSTEM OPTIONS 1083 1084# 1085# Only the root filesystem needs to be statically compiled or preloaded 1086# as module; everything else will be automatically loaded at mount 1087# time. Some people still prefer to statically compile other 1088# filesystems as well. 1089# 1090# NB: The UNION filesystem was known to be buggy in the past. It is now 1091# being actively maintained, although there are still some issues being 1092# resolved. 1093# 1094 1095# One of these is mandatory: 1096options FFS #Fast filesystem 1097options NFSCL #Network File System client 1098 1099# The rest are optional: 1100options AUTOFS #Automounter filesystem 1101options CD9660 #ISO 9660 filesystem 1102options FDESCFS #File descriptor filesystem 1103options FUSEFS #FUSEFS support module 1104options MSDOSFS #MS DOS File System (FAT, FAT32) 1105options NFSLOCKD #Network Lock Manager 1106options NFSD #Network Filesystem Server 1107options KGSSAPI #Kernel GSSAPI implementation 1108 1109options NULLFS #NULL filesystem 1110options PROCFS #Process filesystem (requires PSEUDOFS) 1111options PSEUDOFS #Pseudo-filesystem framework 1112options PSEUDOFS_TRACE #Debugging support for PSEUDOFS 1113options SMBFS #SMB/CIFS filesystem 1114options TMPFS #Efficient memory filesystem 1115options UDF #Universal Disk Format 1116options UNIONFS #Union filesystem 1117# The xFS_ROOT options REQUIRE the associated ``options xFS'' 1118options NFS_ROOT #NFS usable as root device 1119 1120# Soft updates is a technique for improving filesystem speed and 1121# making abrupt shutdown less risky. 1122# 1123options SOFTUPDATES 1124 1125# Extended attributes allow additional data to be associated with files, 1126# and is used for ACLs, Capabilities, and MAC labels. 1127# See src/sys/ufs/ufs/README.extattr for more information. 1128options UFS_EXTATTR 1129options UFS_EXTATTR_AUTOSTART 1130 1131# Access Control List support for UFS filesystems. The current ACL 1132# implementation requires extended attribute support, UFS_EXTATTR, 1133# for the underlying filesystem. 1134# See src/sys/ufs/ufs/README.acls for more information. 1135options UFS_ACL 1136 1137# Directory hashing improves the speed of operations on very large 1138# directories at the expense of some memory. 1139options UFS_DIRHASH 1140 1141# Gjournal-based UFS journaling support. 1142options UFS_GJOURNAL 1143 1144# Make space in the kernel for a root filesystem on a md device. 1145# Define to the number of kilobytes to reserve for the filesystem. 1146# This is now optional. 1147# If not defined, the root filesystem passed in as the MFS_IMAGE makeoption 1148# will be automatically embedded in the kernel during linking. Its exact size 1149# will be consumed within the kernel. 1150# If defined, the old way of embedding the filesystem in the kernel will be 1151# used. That is to say MD_ROOT_SIZE KB will be allocated in the kernel and 1152# later, the filesystem image passed in as the MFS_IMAGE makeoption will be 1153# dd'd into the reserved space if it fits. 1154options MD_ROOT_SIZE=10 1155 1156# Make the md device a potential root device, either with preloaded 1157# images of type mfs_root or md_root. 1158options MD_ROOT 1159 1160# Write-protect the md root device so that it may not be mounted writeable. 1161options MD_ROOT_READONLY 1162 1163# Allow to read MD image from external memory regions 1164options MD_ROOT_MEM 1165 1166# Disk quotas are supported when this option is enabled. 1167options QUOTA #enable disk quotas 1168 1169# If you are running a machine just as a fileserver for PC and MAC 1170# users, using SAMBA, you may consider setting this option 1171# and keeping all those users' directories on a filesystem that is 1172# mounted with the suiddir option. This gives new files the same 1173# ownership as the directory (similar to group). It's a security hole 1174# if you let these users run programs, so confine it to file-servers 1175# (but it'll save you lots of headaches in those cases). Root owned 1176# directories are exempt and X bits are cleared. The suid bit must be 1177# set on the directory as well; see chmod(1). PC owners can't see/set 1178# ownerships so they keep getting their toes trodden on. This saves 1179# you all the support calls as the filesystem it's used on will act as 1180# they expect: "It's my dir so it must be my file". 1181# 1182options SUIDDIR 1183 1184# NFS options: 1185options NFS_MINATTRTIMO=3 # VREG attrib cache timeout in sec 1186options NFS_MAXATTRTIMO=60 1187options NFS_MINDIRATTRTIMO=30 # VDIR attrib cache timeout in sec 1188options NFS_MAXDIRATTRTIMO=60 1189options NFS_DEBUG # Enable NFS Debugging 1190 1191# 1192# Add support for the EXT2FS filesystem of Linux fame. Be a bit 1193# careful with this - the ext2fs code has a tendency to lag behind 1194# changes and not be exercised very much, so mounting read/write could 1195# be dangerous (and even mounting read only could result in panics.) 1196# 1197options EXT2FS 1198 1199# The system memory devices; /dev/mem, /dev/kmem 1200device mem 1201 1202# The kernel symbol table device; /dev/ksyms 1203device ksyms 1204 1205# Optional character code conversion support with LIBICONV. 1206# Each option requires their base file system and LIBICONV. 1207options CD9660_ICONV 1208options MSDOSFS_ICONV 1209options UDF_ICONV 1210 1211 1212##################################################################### 1213# POSIX P1003.1B 1214 1215# Real time extensions added in the 1993 POSIX 1216# _KPOSIX_PRIORITY_SCHEDULING: Build in _POSIX_PRIORITY_SCHEDULING 1217 1218options _KPOSIX_PRIORITY_SCHEDULING 1219# p1003_1b_semaphores are very experimental, 1220# user should be ready to assist in debugging if problems arise. 1221options P1003_1B_SEMAPHORES 1222 1223# POSIX message queue 1224options P1003_1B_MQUEUE 1225 1226##################################################################### 1227# SECURITY POLICY PARAMETERS 1228 1229# Support for BSM audit 1230options AUDIT 1231 1232# Support for Mandatory Access Control (MAC): 1233options MAC 1234options MAC_BIBA 1235options MAC_BSDEXTENDED 1236options MAC_IFOFF 1237options MAC_LOMAC 1238options MAC_MLS 1239options MAC_NONE 1240options MAC_NTPD 1241options MAC_PARTITION 1242options MAC_PORTACL 1243options MAC_SEEOTHERUIDS 1244options MAC_STUB 1245options MAC_TEST 1246 1247# Support for Capsicum 1248options CAPABILITIES # fine-grained rights on file descriptors 1249options CAPABILITY_MODE # sandboxes with no global namespace access 1250 1251 1252##################################################################### 1253# CLOCK OPTIONS 1254 1255# The granularity of operation is controlled by the kernel option HZ (default 1256# frequency of 1000 Hz or a period 1ms between calls). Virtual machine guests 1257# use a value of 100. Lower values may lower overhead at the expense of accuracy 1258# of scheduling, though the adaptive tick code reduces that overhead. 1259 1260options HZ=100 1261 1262# Enable support for the kernel PLL to use an external PPS signal, 1263# under supervision of [x]ntpd(8) 1264# More info in ntpd documentation: http://www.eecis.udel.edu/~ntp 1265 1266options PPS_SYNC 1267 1268# Enable support for generic feed-forward clocks in the kernel. 1269# The feed-forward clock support is an alternative to the feedback oriented 1270# ntpd/system clock approach, and is to be used with a feed-forward 1271# synchronization algorithm such as the RADclock: 1272# More info here: http://www.synclab.org/radclock 1273 1274options FFCLOCK 1275 1276 1277##################################################################### 1278# SCSI DEVICES 1279 1280# SCSI DEVICE CONFIGURATION 1281 1282# The SCSI subsystem consists of the `base' SCSI code, a number of 1283# high-level SCSI device `type' drivers, and the low-level host-adapter 1284# device drivers. The host adapters are listed in the ISA and PCI 1285# device configuration sections below. 1286# 1287# It is possible to wire down your SCSI devices so that a given bus, 1288# target, and LUN always come on line as the same device unit. In 1289# earlier versions the unit numbers were assigned in the order that 1290# the devices were probed on the SCSI bus. This means that if you 1291# removed a disk drive, you may have had to rewrite your /etc/fstab 1292# file, and also that you had to be careful when adding a new disk 1293# as it may have been probed earlier and moved your device configuration 1294# around. 1295 1296# This old behavior is maintained as the default behavior. The unit 1297# assignment begins with the first non-wired down unit for a device 1298# type. For example, if you wire a disk as "da3" then the first 1299# non-wired disk will be assigned da4. 1300 1301# The syntax for wiring down devices is: 1302 1303envvar hint.scbus.0.at="ahc0" 1304envvar hint.scbus.1.at="ahc1" 1305envvar hint.scbus.1.bus="0" 1306envvar hint.scbus.3.at="ahc2" 1307envvar hint.scbus.3.bus="0" 1308envvar hint.scbus.2.at="ahc2" 1309envvar hint.scbus.2.bus="1" 1310envvar hint.da.0.at="scbus0" 1311envvar hint.da.0.target="0" 1312envvar hint.da.0.unit="0" 1313envvar hint.da.1.at="scbus3" 1314envvar hint.da.1.target="1" 1315envvar hint.da.2.at="scbus2" 1316envvar hint.da.2.target="3" 1317envvar hint.sa.1.at="scbus1" 1318envvar hint.sa.1.target="6" 1319 1320# "units" (SCSI logical unit number) that are not specified are 1321# treated as if specified as LUN 0. 1322 1323# All SCSI devices allocate as many units as are required. 1324 1325# The ch driver drives SCSI Media Changer ("jukebox") devices. 1326# 1327# The da driver drives SCSI Direct Access ("disk") and Optical Media 1328# ("WORM") devices. 1329# 1330# The sa driver drives SCSI Sequential Access ("tape") devices. 1331# 1332# The cd driver drives SCSI Read Only Direct Access ("cd") devices. 1333# 1334# The ses driver drives SCSI Environment Services ("ses") and 1335# SAF-TE ("SCSI Accessible Fault-Tolerant Enclosure") devices. 1336# 1337# The pt driver drives SCSI Processor devices. 1338# 1339# The sg driver provides a passthrough API that is compatible with the 1340# Linux SG driver. It will work in conjunction with the Linuxulator 1341# to run linux SG apps. It can also stand on its own and provide 1342# source level API compatibility for porting apps to FreeBSD. 1343# 1344# Target Mode support is provided here but also requires that a SIM 1345# (SCSI Host Adapter Driver) provide support as well. 1346# 1347# The targ driver provides target mode support as a Processor type device. 1348# It exists to give the minimal context necessary to respond to Inquiry 1349# commands. There is a sample user application that shows how the rest 1350# of the command support might be done in /usr/share/examples/scsi_target. 1351# 1352# The targbh driver provides target mode support and exists to respond 1353# to incoming commands that do not otherwise have a logical unit assigned 1354# to them. 1355# 1356# The pass driver provides a passthrough API to access the CAM subsystem. 1357 1358device scbus #base SCSI code 1359device ch #SCSI media changers 1360device da #SCSI direct access devices (aka disks) 1361device sa #SCSI tapes 1362device cd #SCSI CD-ROMs 1363device ses #Enclosure Services (SES and SAF-TE) 1364device pt #SCSI processor 1365device targ #SCSI Target Mode Code 1366device targbh #SCSI Target Mode Blackhole Device 1367device pass #CAM passthrough driver 1368device sg #Linux SCSI passthrough 1369device ctl #CAM Target Layer 1370 1371# CAM OPTIONS: 1372# debugging options: 1373# CAMDEBUG Compile in all possible debugging. 1374# CAM_DEBUG_COMPILE Debug levels to compile in. 1375# CAM_DEBUG_FLAGS Debug levels to enable on boot. 1376# CAM_DEBUG_BUS Limit debugging to the given bus. 1377# CAM_DEBUG_TARGET Limit debugging to the given target. 1378# CAM_DEBUG_LUN Limit debugging to the given lun. 1379# CAM_DEBUG_DELAY Delay in us after printing each debug line. 1380# CAM_IO_STATS Publish additional CAM device statics by sysctl 1381# 1382# CAM_MAX_HIGHPOWER: Maximum number of concurrent high power (start unit) cmds 1383# SCSI_NO_SENSE_STRINGS: When defined disables sense descriptions 1384# SCSI_NO_OP_STRINGS: When defined disables opcode descriptions 1385# SCSI_DELAY: The number of MILLISECONDS to freeze the SIM (scsi adapter) 1386# queue after a bus reset, and the number of milliseconds to 1387# freeze the device queue after a bus device reset. This 1388# can be changed at boot and runtime with the 1389# kern.cam.scsi_delay tunable/sysctl. 1390options CAMDEBUG 1391options CAM_DEBUG_COMPILE=-1 1392options CAM_DEBUG_FLAGS=(CAM_DEBUG_INFO|CAM_DEBUG_PROBE|CAM_DEBUG_PERIPH) 1393options CAM_DEBUG_BUS=-1 1394options CAM_DEBUG_TARGET=-1 1395options CAM_DEBUG_LUN=-1 1396options CAM_DEBUG_DELAY=1 1397options CAM_MAX_HIGHPOWER=4 1398options SCSI_NO_SENSE_STRINGS 1399options SCSI_NO_OP_STRINGS 1400options SCSI_DELAY=5000 # Be pessimistic about Joe SCSI device 1401options CAM_IOSCHED_DYNAMIC 1402options CAM_IO_STATS 1403options CAM_TEST_FAILURE 1404 1405# Options for the CAM CDROM driver: 1406# CHANGER_MIN_BUSY_SECONDS: Guaranteed minimum time quantum for a changer LUN 1407# CHANGER_MAX_BUSY_SECONDS: Maximum time quantum per changer LUN, only 1408# enforced if there is I/O waiting for another LUN 1409# The compiled in defaults for these variables are 2 and 10 seconds, 1410# respectively. 1411# 1412# These can also be changed on the fly with the following sysctl variables: 1413# kern.cam.cd.changer.min_busy_seconds 1414# kern.cam.cd.changer.max_busy_seconds 1415# 1416options CHANGER_MIN_BUSY_SECONDS=2 1417options CHANGER_MAX_BUSY_SECONDS=10 1418 1419# Options for the CAM sequential access driver: 1420# SA_IO_TIMEOUT: Timeout for read/write/wfm operations, in minutes 1421# SA_SPACE_TIMEOUT: Timeout for space operations, in minutes 1422# SA_REWIND_TIMEOUT: Timeout for rewind operations, in minutes 1423# SA_ERASE_TIMEOUT: Timeout for erase operations, in minutes 1424# SA_1FM_AT_EOD: Default to model which only has a default one filemark at EOT. 1425options SA_IO_TIMEOUT=4 1426options SA_SPACE_TIMEOUT=60 1427options SA_REWIND_TIMEOUT=(2*60) 1428options SA_ERASE_TIMEOUT=(4*60) 1429options SA_1FM_AT_EOD 1430 1431# Optional timeout for the CAM processor target (pt) device 1432# This is specified in seconds. The default is 60 seconds. 1433options SCSI_PT_DEFAULT_TIMEOUT=60 1434 1435# Optional enable of doing SES passthrough on other devices (e.g., disks) 1436# 1437# Normally disabled because a lot of newer SCSI disks report themselves 1438# as having SES capabilities, but this can then clot up attempts to build 1439# a topology with the SES device that's on the box these drives are in.... 1440options SES_ENABLE_PASSTHROUGH 1441 1442 1443##################################################################### 1444# MISCELLANEOUS DEVICES AND OPTIONS 1445 1446device pty #BSD-style compatibility pseudo ttys 1447device nmdm #back-to-back tty devices 1448device md #Memory/malloc disk 1449device snp #Snoop device - to look at pty/vty/etc.. 1450device ccd #Concatenated disk driver 1451device firmware #firmware(9) support 1452 1453# Kernel side iconv library 1454options LIBICONV 1455 1456# Size of the kernel message buffer. Should be N * pagesize. 1457options MSGBUF_SIZE=40960 1458 1459 1460##################################################################### 1461# HARDWARE BUS CONFIGURATION 1462 1463# 1464# PCI bus & PCI options: 1465# 1466device pci 1467options PCI_HP # PCI-Express native HotPlug 1468options PCI_IOV # PCI SR-IOV support 1469 1470 1471##################################################################### 1472# HARDWARE DEVICE CONFIGURATION 1473 1474# For ISA the required hints are listed. 1475# PCI, CardBus, and SD/MMC are self identifying buses, so 1476# no hints are needed. 1477 1478# 1479# Mandatory devices: 1480# 1481 1482# These options are valid for other keyboard drivers as well. 1483options KBD_DISABLE_KEYMAP_LOAD # refuse to load a keymap 1484options KBD_INSTALL_CDEV # install a CDEV entry in /dev 1485 1486device kbdmux # keyboard multiplexer 1487options KBDMUX_DFLT_KEYMAP # specify the built-in keymap 1488makeoptions KBDMUX_DFLT_KEYMAP=it.iso 1489 1490options FB_DEBUG # Frame buffer debugging 1491 1492# Enable experimental features of the syscons terminal emulator (teken). 1493options TEKEN_CONS25 # cons25-style terminal emulation 1494options TEKEN_UTF8 # UTF-8 output handling 1495 1496# The vt video console driver. 1497device vt 1498options VT_ALT_TO_ESC_HACK=1 # Prepend ESC sequence to ALT keys 1499options VT_MAXWINDOWS=16 # Number of virtual consoles 1500options VT_TWOBUTTON_MOUSE # Use right mouse button to paste 1501 1502# The following options set the maximum framebuffer size. 1503options VT_FB_MAX_HEIGHT=480 1504options VT_FB_MAX_WIDTH=640 1505 1506# The following options will let you change the default vt terminal colors. 1507options TERMINAL_NORM_ATTR=(FG_GREEN|BG_BLACK) 1508options TERMINAL_KERN_ATTR=(FG_LIGHTRED|BG_BLACK) 1509 1510# 1511# Optional devices: 1512# 1513 1514# 1515# SCSI host adapters: 1516# 1517# aacraid: Adaptec by PMC RAID controllers, Series 6/7/8 and upcoming 1518# families. Container interface, CAM required. 1519# ahc: Adaptec 274x/284x/2910/293x/294x/394x/3950x/3960x/398X/4944/ 1520# 19160x/29160x, aic7770/aic78xx 1521# ahd: Adaptec 29320/39320 Controllers. 1522# esp: Emulex ESP, NCR 53C9x and QLogic FAS families based controllers 1523# including the AMD Am53C974 (found on devices such as the Tekram 1524# DC-390(T)) and the Sun ESP and FAS families of controllers 1525# isp: Qlogic ISP 1020, 1040 and 1040B PCI SCSI host adapters, 1526# ISP 1240 Dual Ultra SCSI, ISP 1080 and 1280 (Dual) Ultra2, 1527# ISP 12160 Ultra3 SCSI, 1528# Qlogic ISP 2100 and ISP 2200 1Gb Fibre Channel host adapters. 1529# Qlogic ISP 2300 and ISP 2312 2Gb Fibre Channel host adapters. 1530# Qlogic ISP 2322 and ISP 6322 2Gb Fibre Channel host adapters. 1531# ispfw: Firmware module for Qlogic host adapters 1532# mpr: LSI-Logic MPT/Fusion Gen 3 1533# mps: LSI-Logic MPT/Fusion Gen 2 1534# mpt: LSI-Logic MPT/Fusion 53c1020 or 53c1030 Ultra4 1535# or FC9x9 Fibre Channel host adapters. 1536# sym: Symbios/Logic 53C8XX family of PCI-SCSI I/O processors: 1537# 53C810, 53C810A, 53C815, 53C825, 53C825A, 53C860, 53C875, 1538# 53C876, 53C885, 53C895, 53C895A, 53C896, 53C897, 53C1510D, 1539# 53C1010-33, 53C1010-66. 1540 1541device aacraid 1542device ahc 1543device ahd 1544device esp 1545device isp 1546envvar hint.isp.0.disable="1" 1547envvar hint.isp.0.role="3" 1548envvar hint.isp.0.prefer_iomap="1" 1549envvar hint.isp.0.prefer_memmap="1" 1550envvar hint.isp.0.fwload_disable="1" 1551envvar hint.isp.0.ignore_nvram="1" 1552envvar hint.isp.0.fullduplex="1" 1553envvar hint.isp.0.topology="lport" 1554envvar hint.isp.0.topology="nport" 1555envvar hint.isp.0.topology="lport-only" 1556envvar hint.isp.0.topology="nport-only" 1557# we can't get u_int64_t types, nor can we get strings if it's got 1558# a leading 0x, hence this silly dodge. 1559envvar hint.isp.0.portwnn="w50000000aaaa0000" 1560envvar hint.isp.0.nodewnn="w50000000aaaa0001" 1561device ispfw 1562device mpr # LSI-Logic MPT-Fusion 3 1563device mps # LSI-Logic MPT-Fusion 2 1564device mpt # LSI-Logic MPT-Fusion 1565device sym 1566 1567# The aic7xxx driver will attempt to use memory mapped I/O for all PCI 1568# controllers that have it configured only if this option is set. Unfortunately, 1569# this doesn't work on some motherboards, which prevents it from being the 1570# default. 1571options AHC_ALLOW_MEMIO 1572 1573# Dump the contents of the ahc controller configuration PROM. 1574options AHC_DUMP_EEPROM 1575 1576# Bitmap of units to enable targetmode operations. 1577options AHC_TMODE_ENABLE 1578 1579# Compile in Aic7xxx Debugging code. 1580options AHC_DEBUG 1581 1582# Aic7xxx driver debugging options. See sys/dev/aic7xxx/aic7xxx.h 1583options AHC_DEBUG_OPTS 1584 1585# Print register bitfields in debug output. Adds ~128k to driver 1586# See ahc(4). 1587options AHC_REG_PRETTY_PRINT 1588 1589# Compile in aic79xx debugging code. 1590options AHD_DEBUG 1591 1592# Aic79xx driver debugging options. Adds ~215k to driver. See ahd(4). 1593options AHD_DEBUG_OPTS=0xFFFFFFFF 1594 1595# Print human-readable register definitions when debugging 1596options AHD_REG_PRETTY_PRINT 1597 1598# Bitmap of units to enable targetmode operations. 1599options AHD_TMODE_ENABLE 1600 1601# Options used in dev/iscsi (Software iSCSI stack) 1602# 1603options ISCSI_INITIATOR_DEBUG=9 1604 1605# Options used in dev/isp/ (Qlogic SCSI/FC driver). 1606# 1607# ISP_TARGET_MODE - enable target mode operation 1608# 1609options ISP_TARGET_MODE=1 1610# 1611# ISP_DEFAULT_ROLES - default role 1612# none=0 1613# target=1 1614# initiator=2 1615# both=3 (not supported currently) 1616# 1617# ISP_INTERNAL_TARGET (trivial internal disk target, for testing) 1618# 1619options ISP_DEFAULT_ROLES=0 1620 1621#options SYM_SETUP_SCSI_DIFF #-HVD support for 825a, 875, 885 1622 # disabled:0 (default), enabled:1 1623#options SYM_SETUP_PCI_PARITY #-PCI parity checking 1624 # disabled:0, enabled:1 (default) 1625#options SYM_SETUP_MAX_LUN #-Number of LUNs supported 1626 # default:8, range:[1..64] 1627 1628# 1629# Compaq "CISS" RAID controllers (SmartRAID 5* series) 1630# These controllers have a SCSI-like interface, and require the 1631# CAM infrastructure. 1632# 1633device ciss 1634 1635# 1636# Intel Integrated RAID controllers. 1637# This driver was developed and is maintained by Intel. Contacts 1638# at Intel for this driver are 1639# "Kannanthanam, Boji T" <boji.t.kannanthanam@intel.com> and 1640# "Leubner, Achim" <achim.leubner@intel.com>. 1641# 1642device iir 1643 1644# 1645# Mylex AcceleRAID and eXtremeRAID controllers with v6 and later 1646# firmware. These controllers have a SCSI-like interface, and require 1647# the CAM infrastructure. 1648# 1649device mly 1650 1651# 1652# Compaq Smart RAID, Mylex DAC960 and AMI MegaRAID controllers. Only 1653# one entry is needed; the code will find and configure all supported 1654# controllers. 1655# 1656device ida # Compaq Smart RAID 1657device mlx # Mylex DAC960 1658device amr # AMI MegaRAID 1659device amrp # SCSI Passthrough interface (optional, CAM req.) 1660device mfi # LSI MegaRAID SAS 1661device mfip # LSI MegaRAID SAS passthrough, requires CAM 1662options MFI_DEBUG 1663device mrsas # LSI/Avago MegaRAID SAS/SATA, 6Gb/s and 12Gb/s 1664 1665# 1666# 3ware ATA RAID 1667# 1668device twe # 3ware ATA RAID 1669 1670# 1671# Serial ATA host controllers: 1672# 1673# ahci: Advanced Host Controller Interface (AHCI) compatible 1674# mvs: Marvell 88SX50XX/88SX60XX/88SX70XX/SoC controllers 1675# siis: SiliconImage SiI3124/SiI3132/SiI3531 controllers 1676# 1677# These drivers are part of cam(4) subsystem. They supersede less featured 1678# ata(4) subsystem drivers, supporting same hardware. 1679 1680device ahci 1681device mvs 1682device siis 1683 1684# 1685# The 'ATA' driver supports all legacy ATA/ATAPI controllers, including 1686# PC Card devices. You only need one "device ata" for it to find all 1687# PCI and PC Card ATA/ATAPI devices on modern machines. 1688# Alternatively, individual bus and chipset drivers may be chosen by using 1689# the 'atacore' driver then selecting the drivers on a per vendor basis. 1690# For example to build a system which only supports a VIA chipset, 1691# omit 'ata' and include the 'atacore', 'atapci' and 'atavia' drivers. 1692device ata 1693 1694# Modular ATA 1695#device atacore # Core ATA functionality 1696#device ataisa # ISA bus support 1697#device atapci # PCI bus support; only generic chipset support 1698 1699# PCI ATA chipsets 1700#device ataacard # ACARD 1701#device ataacerlabs # Acer Labs Inc. (ALI) 1702#device ataamd # American Micro Devices (AMD) 1703#device ataati # ATI 1704#device atacenatek # Cenatek 1705#device atacypress # Cypress 1706#device atacyrix # Cyrix 1707#device atahighpoint # HighPoint 1708#device ataintel # Intel 1709#device ataite # Integrated Technology Inc. (ITE) 1710#device atajmicron # JMicron 1711#device atamarvell # Marvell 1712#device atamicron # Micron 1713#device atanational # National 1714#device atanetcell # NetCell 1715#device atanvidia # nVidia 1716#device atapromise # Promise 1717#device ataserverworks # ServerWorks 1718#device atasiliconimage # Silicon Image Inc. (SiI) (formerly CMD) 1719#device atasis # Silicon Integrated Systems Corp.(SiS) 1720#device atavia # VIA Technologies Inc. 1721 1722# 1723# For older non-PCI, non-PnPBIOS systems, these are the hints lines to add: 1724envvar hint.ata.0.at="isa" 1725envvar hint.ata.0.port="0x1f0" 1726envvar hint.ata.0.irq="14" 1727envvar hint.ata.1.at="isa" 1728envvar hint.ata.1.port="0x170" 1729envvar hint.ata.1.irq="15" 1730 1731# 1732# uart: newbusified driver for serial interfaces. It consolidates the sio(4), 1733# sab(4) and zs(4) drivers. 1734# 1735device uart 1736 1737# Options for uart(4) 1738options UART_PPS_ON_CTS # Do time pulse capturing using CTS 1739 # instead of DCD. 1740options UART_POLL_FREQ # Set polling rate, used when hw has 1741 # no interrupt support (50 Hz default). 1742 1743# The following hint should only be used for pure ISA devices. It is not 1744# needed otherwise. Use of hints is strongly discouraged. 1745envvar hint.uart.0.at="isa" 1746 1747# The following 3 hints are used when the UART is a system device (i.e., a 1748# console or debug port), but only on platforms that don't have any other 1749# means to pass the information to the kernel. The unit number of the hint 1750# is only used to bundle the hints together. There is no relation to the 1751# unit number of the probed UART. 1752envvar hint.uart.0.port="0x3f8" 1753envvar hint.uart.0.flags="0x10" 1754envvar hint.uart.0.baud="115200" 1755 1756# `flags' for serial drivers that support consoles like sio(4) and uart(4): 1757# 0x10 enable console support for this unit. Other console flags 1758# (if applicable) are ignored unless this is set. Enabling 1759# console support does not make the unit the preferred console. 1760# Boot with -h or set boot_serial=YES in the loader. For sio(4) 1761# specifically, the 0x20 flag can also be set (see above). 1762# Currently, at most one unit can have console support; the 1763# first one (in config file order) with this flag set is 1764# preferred. Setting this flag for sio0 gives the old behavior. 1765# 0x80 use this port for serial line gdb support in ddb. Also known 1766# as debug port. 1767# 1768 1769# Options for serial drivers that support consoles: 1770options BREAK_TO_DEBUGGER # A BREAK/DBG on the console goes to 1771 # ddb, if available. 1772 1773# Solaris implements a new BREAK which is initiated by a character 1774# sequence CR ~ ^b which is similar to a familiar pattern used on 1775# Sun servers by the Remote Console. There are FreeBSD extensions: 1776# CR ~ ^p requests force panic and CR ~ ^r requests a clean reboot. 1777options ALT_BREAK_TO_DEBUGGER 1778 1779# Serial Communications Controller 1780# Supports the Freescale/NXP QUad Integrated and Zilog Z8530 multi-channel 1781# communications controllers. 1782device scc 1783 1784# PCI Universal Communications driver 1785# Supports various multi port PCI I/O cards. 1786device puc 1787 1788# 1789# Network interfaces: 1790# 1791# MII bus support is required for many PCI Ethernet NICs, 1792# namely those which use MII-compliant transceivers or implement 1793# transceiver control interfaces that operate like an MII. Adding 1794# "device miibus" to the kernel config pulls in support for the generic 1795# miibus API, the common support for for bit-bang'ing the MII and all 1796# of the PHY drivers, including a generic one for PHYs that aren't 1797# specifically handled by an individual driver. Support for specific 1798# PHYs may be built by adding "device mii", "device mii_bitbang" if 1799# needed by the NIC driver and then adding the appropriate PHY driver. 1800device mii # Minimal MII support 1801device mii_bitbang # Common module for bit-bang'ing the MII 1802device miibus # MII support w/ bit-bang'ing and all PHYs 1803 1804device acphy # Altima Communications AC101 1805device amphy # AMD AM79c873 / Davicom DM910{1,2} 1806device atphy # Attansic/Atheros F1 1807device axphy # Asix Semiconductor AX88x9x 1808device bmtphy # Broadcom BCM5201/BCM5202 and 3Com 3c905C 1809device bnxt # Broadcom NetXtreme-C/NetXtreme-E 1810device brgphy # Broadcom BCM54xx/57xx 1000baseTX 1811device cgem # Cadence GEM Gigabit Ethernet 1812device ciphy # Cicada/Vitesse CS/VSC8xxx 1813device e1000phy # Marvell 88E1000 1000/100/10-BT 1814device gentbi # Generic 10-bit 1000BASE-{LX,SX} fiber ifaces 1815device icsphy # ICS ICS1889-1893 1816device ip1000phy # IC Plus IP1000A/IP1001 1817device jmphy # JMicron JMP211/JMP202 1818device lxtphy # Level One LXT-970 1819device nsgphy # NatSemi DP8361/DP83865/DP83891 1820device nsphy # NatSemi DP83840A 1821device nsphyter # NatSemi DP83843/DP83815 1822device pnaphy # HomePNA 1823device qsphy # Quality Semiconductor QS6612 1824device rdcphy # RDC Semiconductor R6040 1825device rgephy # RealTek 8169S/8110S/8211B/8211C 1826device rlphy # RealTek 8139 1827device rlswitch # RealTek 8305 1828device smcphy # SMSC LAN91C111 1829device tdkphy # TDK 89Q2120 1830device truephy # LSI TruePHY 1831device xmphy # XaQti XMAC II 1832 1833# ae: Support for gigabit ethernet adapters based on the Attansic/Atheros 1834# L2 PCI-Express FastEthernet controllers. 1835# age: Support for gigabit ethernet adapters based on the Attansic/Atheros 1836# L1 PCI express gigabit ethernet controllers. 1837# alc: Support for Atheros AR8131/AR8132 PCIe ethernet controllers. 1838# ale: Support for Atheros AR8121/AR8113/AR8114 PCIe ethernet controllers. 1839# ath: Atheros a/b/g WiFi adapters (requires ath_hal and wlan) 1840# bce: Broadcom NetXtreme II (BCM5706/BCM5708) PCI/PCIe Gigabit Ethernet 1841# adapters. 1842# bfe: Broadcom BCM4401 Ethernet adapter. 1843# bge: Support for gigabit ethernet adapters based on the Broadcom 1844# BCM570x family of controllers, including the 3Com 3c996-T, 1845# the Netgear GA302T, the SysKonnect SK-9D21 and SK-9D41, and 1846# the embedded gigE NICs on Dell PowerEdge 2550 servers. 1847# bnxt: Broadcom NetXtreme-C and NetXtreme-E PCIe 10/25/50G Ethernet adapters. 1848# bxe: Broadcom NetXtreme II (BCM5771X/BCM578XX) PCIe 10Gb Ethernet 1849# adapters. 1850# bwi: Broadcom BCM430* and BCM431* family of wireless adapters. 1851# bwn: Broadcom BCM43xx family of wireless adapters. 1852# cas: Sun Cassini/Cassini+ and National Semiconductor DP83065 Saturn 1853# cxgb: Chelsio T3 based 1GbE/10GbE PCIe Ethernet adapters. 1854# cxgbe:Chelsio T4, T5, and T6-based 1/10/25/40/100GbE PCIe Ethernet 1855# adapters. 1856# cxgbev: Chelsio T4, T5, and T6-based PCIe Virtual Functions. 1857# dc: Support for PCI fast ethernet adapters based on the DEC/Intel 21143 1858# and various workalikes including: 1859# the ADMtek AL981 Comet and AN985 Centaur, the ASIX Electronics 1860# AX88140A and AX88141, the Davicom DM9100 and DM9102, the Lite-On 1861# 82c168 and 82c169 PNIC, the Lite-On/Macronix LC82C115 PNIC II 1862# and the Macronix 98713/98713A/98715/98715A/98725 PMAC. This driver 1863# replaces the old al, ax, dm, pn and mx drivers. List of brands: 1864# Digital DE500-BA, Kingston KNE100TX, D-Link DFE-570TX, SOHOware SFA110, 1865# SVEC PN102-TX, CNet Pro110B, 120A, and 120B, Compex RL100-TX, 1866# LinkSys LNE100TX, LNE100TX V2.0, Jaton XpressNet, Alfa Inc GFC2204, 1867# KNE110TX. 1868# em: Intel Pro/1000 Gigabit Ethernet 82542, 82543, 82544 based adapters. 1869# fxp: Intel EtherExpress Pro/100B 1870# (hint of prefer_iomap can be done to prefer I/O instead of Mem mapping) 1871# gem: Apple GMAC/Sun ERI/Sun GEM 1872# jme: JMicron JMC260 Fast Ethernet/JMC250 Gigabit Ethernet based adapters. 1873# le: AMD Am7900 LANCE and Am79C9xx PCnet 1874# lge: Support for PCI gigabit ethernet adapters based on the Level 1 1875# LXT1001 NetCellerator chipset. This includes the D-Link DGE-500SX, 1876# SMC TigerCard 1000 (SMC9462SX), and some Addtron cards. 1877# lio: Support for Cavium 23XX Ethernet adapters 1878# malo: Marvell Libertas wireless NICs. 1879# mwl: Marvell 88W8363 802.11n wireless NICs. 1880# Requires the mwl firmware module 1881# mwlfw: Marvell 88W8363 firmware 1882# msk: Support for gigabit ethernet adapters based on the Marvell/SysKonnect 1883# Yukon II Gigabit controllers, including 88E8021, 88E8022, 88E8061, 1884# 88E8062, 88E8035, 88E8036, 88E8038, 88E8050, 88E8052, 88E8053, 1885# 88E8055, 88E8056 and D-Link 560T/550SX. 1886# mlxfw: Mellanox firmware update module. 1887# mlx5: Mellanox ConnectX-4 and ConnectX-4 LX IB and Eth shared code module. 1888# mlx5en:Mellanox ConnectX-4 and ConnectX-4 LX PCIe Ethernet adapters. 1889# my: Myson Fast Ethernet (MTD80X, MTD89X) 1890# nge: Support for PCI gigabit ethernet adapters based on the National 1891# Semiconductor DP83820 and DP83821 chipset. This includes the 1892# SMC EZ Card 1000 (SMC9462TX), D-Link DGE-500T, Asante FriendlyNet 1893# GigaNIX 1000TA and 1000TPC, the Addtron AEG320T, the Surecom 1894# EP-320G-TX and the Netgear GA622T. 1895# oce: Emulex 10 Gbit adapters (OneConnect Ethernet) 1896# ral: Ralink Technology IEEE 802.11 wireless adapter 1897# re: RealTek 8139C+/8169/816xS/811xS/8101E PCI/PCIe Ethernet adapter 1898# rl: Support for PCI fast ethernet adapters based on the RealTek 8129/8139 1899# chipset. Note that the RealTek driver defaults to using programmed 1900# I/O to do register accesses because memory mapped mode seems to cause 1901# severe lockups on SMP hardware. This driver also supports the 1902# Accton EN1207D `Cheetah' adapter, which uses a chip called 1903# the MPX 5030/5038, which is either a RealTek in disguise or a 1904# RealTek workalike. Note that the D-Link DFE-530TX+ uses the RealTek 1905# chipset and is supported by this driver, not the 'vr' driver. 1906# rtwn: RealTek wireless adapters. 1907# rtwnfw: RealTek wireless firmware. 1908# sge: Silicon Integrated Systems SiS190/191 Fast/Gigabit Ethernet adapter 1909# sis: Support for NICs based on the Silicon Integrated Systems SiS 900, 1910# SiS 7016 and NS DP83815 PCI fast ethernet controller chips. 1911# sk: Support for the SysKonnect SK-984x series PCI gigabit ethernet NICs. 1912# This includes the SK-9841 and SK-9842 single port cards (single mode 1913# and multimode fiber) and the SK-9843 and SK-9844 dual port cards 1914# (also single mode and multimode). 1915# The driver will autodetect the number of ports on the card and 1916# attach each one as a separate network interface. 1917# ste: Sundance Technologies ST201 PCI fast ethernet controller, includes 1918# the D-Link DFE-550TX. 1919# stge: Support for gigabit ethernet adapters based on the Sundance/Tamarack 1920# TC9021 family of controllers, including the Sundance ST2021/ST2023, 1921# the Sundance/Tamarack TC9021, the D-Link DL-4000 and ASUS NX1101. 1922# ti: Support for PCI gigabit ethernet NICs based on the Alteon Networks 1923# Tigon 1 and Tigon 2 chipsets. This includes the Alteon AceNIC, the 1924# 3Com 3c985, the Netgear GA620 and various others. Note that you will 1925# probably want to bump up kern.ipc.nmbclusters a lot to use this driver. 1926# vr: Support for various fast ethernet adapters based on the VIA 1927# Technologies VT3043 `Rhine I' and VT86C100A `Rhine II' chips, 1928# including the D-Link DFE520TX and D-Link DFE530TX (see 'rl' for 1929# DFE530TX+), the Hawking Technologies PN102TX, and the AOpen/Acer ALN-320. 1930# vte: DM&P Vortex86 RDC R6040 Fast Ethernet 1931# xl: Support for the 3Com 3c900, 3c905, 3c905B and 3c905C (Fast) 1932# Etherlink XL cards and integrated controllers. This includes the 1933# integrated 3c905B-TX chips in certain Dell Optiplex and Dell 1934# Precision desktop machines and the integrated 3c905-TX chips 1935# in Dell Latitude laptop docking stations. 1936# Also supported: 3Com 3c980(C)-TX, 3Com 3cSOHO100-TX, 3Com 3c450-TX 1937 1938# PCI Ethernet NICs that use the common MII bus controller code. 1939device ae # Attansic/Atheros L2 FastEthernet 1940device age # Attansic/Atheros L1 Gigabit Ethernet 1941device alc # Atheros AR8131/AR8132 Ethernet 1942device ale # Atheros AR8121/AR8113/AR8114 Ethernet 1943device bce # Broadcom BCM5706/BCM5708 Gigabit Ethernet 1944device bfe # Broadcom BCM440x 10/100 Ethernet 1945device bge # Broadcom BCM570xx Gigabit Ethernet 1946device cas # Sun Cassini/Cassini+ and NS DP83065 Saturn 1947device dc # DEC/Intel 21143 and various workalikes 1948device et # Agere ET1310 10/100/Gigabit Ethernet 1949device fxp # Intel EtherExpress PRO/100B (82557, 82558) 1950envvar hint.fxp.0.prefer_iomap="0" 1951device gem # Apple GMAC/Sun ERI/Sun GEM 1952device jme # JMicron JMC250 Gigabit/JMC260 Fast Ethernet 1953device lge # Level 1 LXT1001 gigabit Ethernet 1954device mlxfw # Mellanox firmware update module 1955device mlx5 # Shared code module between IB and Ethernet 1956device mlx5en # Mellanox ConnectX-4 and ConnectX-4 LX 1957device msk # Marvell/SysKonnect Yukon II Gigabit Ethernet 1958device my # Myson Fast Ethernet (MTD80X, MTD89X) 1959device nge # NatSemi DP83820 gigabit Ethernet 1960device re # RealTek 8139C+/8169/8169S/8110S 1961device rl # RealTek 8129/8139 1962device sge # Silicon Integrated Systems SiS190/191 1963device sis # Silicon Integrated Systems SiS 900/SiS 7016 1964device sk # SysKonnect SK-984x & SK-982x gigabit Ethernet 1965device ste # Sundance ST201 (D-Link DFE-550TX) 1966device stge # Sundance/Tamarack TC9021 gigabit Ethernet 1967device vr # VIA Rhine, Rhine II 1968device vte # DM&P Vortex86 RDC R6040 Fast Ethernet 1969device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'') 1970 1971# PCI/PCI-X/PCIe Ethernet NICs that use iflib infrastructure 1972device iflib 1973device em # Intel Pro/1000 Gigabit Ethernet 1974device ix # Intel Pro/10Gbe PCIE Ethernet 1975device ixv # Intel Pro/10Gbe PCIE Ethernet VF 1976 1977# PCI Ethernet NICs. 1978device cxgb # Chelsio T3 10 Gigabit Ethernet 1979device cxgb_t3fw # Chelsio T3 10 Gigabit Ethernet firmware 1980device cxgbe # Chelsio T4-T6 1/10/25/40/100 Gigabit Ethernet 1981device cxgbev # Chelsio T4-T6 Virtual Functions 1982device le # AMD Am7900 LANCE and Am79C9xx PCnet 1983device mxge # Myricom Myri-10G 10GbE NIC 1984device oce # Emulex 10 GbE (OneConnect Ethernet) 1985device ti # Alteon Networks Tigon I/II gigabit Ethernet 1986 1987# PCI IEEE 802.11 Wireless NICs 1988device ath # Atheros pci/cardbus NIC's 1989device ath_hal # pci/cardbus chip support 1990#device ath_ar5210 # AR5210 chips 1991#device ath_ar5211 # AR5211 chips 1992#device ath_ar5212 # AR5212 chips 1993#device ath_rf2413 1994#device ath_rf2417 1995#device ath_rf2425 1996#device ath_rf5111 1997#device ath_rf5112 1998#device ath_rf5413 1999#device ath_ar5416 # AR5416 chips 2000# All of the AR5212 parts have a problem when paired with the AR71xx 2001# CPUS. These parts have a bug that triggers a fatal bus error on the AR71xx 2002# only. Details of the exact nature of the bug are sketchy, but some can be 2003# found at https://forum.openwrt.org/viewtopic.php?pid=70060 on pages 4, 5 and 2004# 6. This option enables this workaround. There is a performance penalty 2005# for this work around, but without it things don't work at all. The DMA 2006# from the card usually bursts 128 bytes, but on the affected CPUs, only 2007# 4 are safe. 2008options AH_RXCFG_SDMAMW_4BYTES 2009#device ath_ar9160 # AR9160 chips 2010#device ath_ar9280 # AR9280 chips 2011#device ath_ar9285 # AR9285 chips 2012device ath_rate_sample # SampleRate tx rate control for ath 2013device bwi # Broadcom BCM430* BCM431* 2014device bwn # Broadcom BCM43xx 2015device malo # Marvell Libertas wireless NICs. 2016device mwl # Marvell 88W8363 802.11n wireless NICs. 2017device mwlfw 2018device ral # Ralink Technology RT2500 wireless NICs. 2019device rtwn # Realtek wireless NICs 2020device rtwnfw 2021 2022# Use sf_buf(9) interface for jumbo buffers on ti(4) controllers. 2023#options TI_SF_BUF_JUMBO 2024# Turn on the header splitting option for the ti(4) driver firmware. This 2025# only works for Tigon II chips, and has no effect for Tigon I chips. 2026# This option requires the TI_SF_BUF_JUMBO option above. 2027#options TI_JUMBO_HDRSPLIT 2028 2029# These two options allow manipulating the mbuf cluster size and mbuf size, 2030# respectively. Be very careful with NIC driver modules when changing 2031# these from their default values, because that can potentially cause a 2032# mismatch between the mbuf size assumed by the kernel and the mbuf size 2033# assumed by a module. The only driver that currently has the ability to 2034# detect a mismatch is ti(4). 2035options MCLSHIFT=12 # mbuf cluster shift in bits, 12 == 4KB 2036options MSIZE=512 # mbuf size in bytes 2037 2038# 2039# Sound drivers 2040# 2041# sound: The generic sound driver. 2042# 2043 2044device sound 2045 2046# 2047# snd_*: Device-specific drivers. 2048# 2049# The flags of the device tell the device a bit more info about the 2050# device that normally is obtained through the PnP interface. 2051# bit 2..0 secondary DMA channel; 2052# bit 4 set if the board uses two dma channels; 2053# bit 15..8 board type, overrides autodetection; leave it 2054# zero if don't know what to put in (and you don't, 2055# since this is unsupported at the moment...). 2056# 2057# snd_ad1816: Analog Devices AD1816 ISA PnP/non-PnP. 2058# snd_als4000: Avance Logic ALS4000 PCI. 2059# snd_atiixp: ATI IXP 200/300/400 PCI. 2060# snd_cmi: CMedia CMI8338/CMI8738 PCI. 2061# snd_cs4281: Crystal Semiconductor CS4281 PCI. 2062# snd_csa: Crystal Semiconductor CS461x/428x PCI. (except 2063# 4281) 2064# snd_ds1: Yamaha DS-1 PCI. 2065# snd_emu10k1: Creative EMU10K1 PCI and EMU10K2 (Audigy) PCI. 2066# snd_emu10kx: Creative SoundBlaster Live! and Audigy 2067# snd_envy24: VIA Envy24 and compatible, needs snd_spicds. 2068# snd_envy24ht: VIA Envy24HT and compatible, needs snd_spicds. 2069# snd_es137x: Ensoniq AudioPCI ES137x PCI. 2070# snd_ess: Ensoniq ESS ISA PnP/non-PnP, to be used in 2071# conjunction with snd_sbc. 2072# snd_fm801: Forte Media FM801 PCI. 2073# snd_gusc: Gravis UltraSound ISA PnP/non-PnP. 2074# snd_hda: Intel High Definition Audio (Controller) and 2075# compatible. 2076# snd_hdspe: RME HDSPe AIO and RayDAT. 2077# snd_ich: Intel ICH AC'97 and some more audio controllers 2078# embedded in a chipset, for example nVidia 2079# nForce controllers. 2080# snd_maestro: ESS Technology Maestro-1/2x PCI. 2081# snd_maestro3: ESS Technology Maestro-3/Allegro PCI. 2082# snd_mss: Microsoft Sound System ISA PnP/non-PnP. 2083# snd_neomagic: Neomagic 256 AV/ZX PCI. 2084# snd_sb16: Creative SoundBlaster16, to be used in 2085# conjunction with snd_sbc. 2086# snd_sb8: Creative SoundBlaster (pre-16), to be used in 2087# conjunction with snd_sbc. 2088# snd_sbc: Creative SoundBlaster ISA PnP/non-PnP. 2089# Supports ESS and Avance ISA chips as well. 2090# snd_solo: ESS Solo-1x PCI. 2091# snd_spicds: SPI codec driver, needed by Envy24/Envy24HT drivers. 2092# snd_t4dwave: Trident 4DWave DX/NX PCI, Sis 7018 PCI and Acer Labs 2093# M5451 PCI. 2094# snd_uaudio: USB audio. 2095# snd_via8233: VIA VT8233x PCI. 2096# snd_via82c686: VIA VT82C686A PCI. 2097# snd_vibes: S3 Sonicvibes PCI. 2098 2099device snd_ad1816 2100device snd_als4000 2101device snd_atiixp 2102device snd_cmi 2103device snd_cs4281 2104device snd_csa 2105device snd_ds1 2106device snd_emu10k1 2107device snd_emu10kx 2108device snd_envy24 2109device snd_envy24ht 2110device snd_es137x 2111device snd_ess 2112device snd_fm801 2113device snd_gusc 2114device snd_hda 2115device snd_hdspe 2116device snd_ich 2117device snd_maestro 2118device snd_maestro3 2119device snd_mss 2120device snd_neomagic 2121device snd_sb16 2122device snd_sb8 2123device snd_sbc 2124device snd_solo 2125device snd_spicds 2126device snd_t4dwave 2127device snd_uaudio 2128device snd_via8233 2129device snd_via82c686 2130device snd_vibes 2131 2132# For non-PnP sound cards: 2133envvar hint.pcm.0.at="isa" 2134envvar hint.pcm.0.irq="10" 2135envvar hint.pcm.0.drq="1" 2136envvar hint.pcm.0.flags="0x0" 2137envvar hint.sbc.0.at="isa" 2138envvar hint.sbc.0.port="0x220" 2139envvar hint.sbc.0.irq="5" 2140envvar hint.sbc.0.drq="1" 2141envvar hint.sbc.0.flags="0x15" 2142envvar hint.gusc.0.at="isa" 2143envvar hint.gusc.0.port="0x220" 2144envvar hint.gusc.0.irq="5" 2145envvar hint.gusc.0.drq="1" 2146envvar hint.gusc.0.flags="0x13" 2147 2148# 2149# Following options are intended for debugging/testing purposes: 2150# 2151# SND_DEBUG Enable extra debugging code that includes 2152# sanity checking and possible increase of 2153# verbosity. 2154# 2155# SND_DIAGNOSTIC Similar in a spirit of INVARIANTS/DIAGNOSTIC, 2156# zero tolerance against inconsistencies. 2157# 2158# SND_FEEDER_MULTIFORMAT By default, only 16/32 bit feeders are compiled 2159# in. This options enable most feeder converters 2160# except for 8bit. WARNING: May bloat the kernel. 2161# 2162# SND_FEEDER_FULL_MULTIFORMAT Ditto, but includes 8bit feeders as well. 2163# 2164# SND_FEEDER_RATE_HP (feeder_rate) High precision 64bit arithmetic 2165# as much as possible (the default trying to 2166# avoid it). Possible slowdown. 2167# 2168# SND_PCM_64 (Only applicable for i386/32bit arch) 2169# Process 32bit samples through 64bit 2170# integer/arithmetic. Slight increase of dynamic 2171# range at a cost of possible slowdown. 2172# 2173# SND_OLDSTEREO Only 2 channels are allowed, effectively 2174# disabling multichannel processing. 2175# 2176options SND_DEBUG 2177options SND_DIAGNOSTIC 2178options SND_FEEDER_MULTIFORMAT 2179options SND_FEEDER_FULL_MULTIFORMAT 2180options SND_FEEDER_RATE_HP 2181options SND_PCM_64 2182options SND_OLDSTEREO 2183 2184# 2185# PC Card/PCMCIA and Cardbus 2186# 2187# cbb: pci/cardbus bridge implementing YENTA interface 2188# cardbus: cardbus slots 2189device cbb 2190device cardbus 2191 2192# 2193# MMC/SD 2194# 2195# mmc MMC/SD bus 2196# mmcsd MMC/SD memory card 2197# sdhci Generic PCI SD Host Controller 2198# rtsx Realtek SD card reader (RTS5209, RTS5227, ...) 2199device mmc 2200device mmcsd 2201device sdhci 2202device rtsx 2203 2204# 2205# SMB bus 2206# 2207# System Management Bus support is provided by the 'smbus' device. 2208# Access to the SMBus device is via the 'smb' device (/dev/smb*), 2209# which is a child of the 'smbus' device. 2210# 2211# Supported devices: 2212# smb standard I/O through /dev/smb* 2213# 2214# Supported SMB interfaces: 2215# iicsmb I2C to SMB bridge with any iicbus interface 2216# intpm Intel PIIX4 (82371AB, 82443MX) Power Management Unit 2217# alpm Acer Aladdin-IV/V/Pro2 Power Management Unit 2218# ichsmb Intel ICH SMBus controller chips (82801AA, 82801AB, 82801BA) 2219# viapm VIA VT82C586B/596B/686A and VT8233 Power Management Unit 2220# amdpm AMD 756 Power Management Unit 2221# amdsmb AMD 8111 SMBus 2.0 Controller 2222# nfpm NVIDIA nForce Power Management Unit 2223# nfsmb NVIDIA nForce2/3/4 MCP SMBus 2.0 Controller 2224# ismt Intel SMBus 2.0 controller chips (on Atom S1200, C2000) 2225# 2226device smbus # Bus support, required for smb below. 2227 2228device intpm 2229device alpm 2230device ichsmb 2231device viapm 2232device amdpm 2233device amdsmb 2234device nfpm 2235device nfsmb 2236device ismt 2237 2238device smb 2239 2240# SMBus peripheral devices 2241# 2242# jedec_dimm Asset and temperature reporting for DDR3 and DDR4 DIMMs 2243# 2244device jedec_dimm 2245 2246# I2C Bus 2247# 2248# Philips i2c bus support is provided by the `iicbus' device. 2249# 2250# Supported devices: 2251# ic i2c network interface 2252# iic i2c standard io 2253# iicsmb i2c to smb bridge. Allow i2c i/o with smb commands. 2254# iicoc simple polling driver for OpenCores I2C controller 2255# 2256# Other: 2257# iicbb generic I2C bit-banging code (needed by lpbb) 2258# 2259device iicbus # Bus support, required for ic/iic/iicsmb below. 2260device iicbb # bitbang driver; implements i2c on a pair of gpio pins 2261 2262device ic 2263device iic # userland access to i2c slave devices via ioctl(8) 2264device iicsmb # smb over i2c bridge 2265device iicoc # OpenCores I2C controller support 2266 2267# I2C bus multiplexer (mux) devices 2268device iicmux # i2c mux core driver 2269device iic_gpiomux # i2c mux hardware controlled via gpio pins 2270device ltc430x # LTC4305 and LTC4306 i2c mux chips 2271 2272# I2C peripheral devices 2273# 2274device ad7418 # Analog Devices temp and voltage sensor 2275device ads111x # Texas Instruments ADS101x and ADS111x ADCs 2276device ds1307 # Dallas DS1307 RTC and compatible 2277device ds13rtc # All Dallas/Maxim ds13xx chips 2278device ds1672 # Dallas DS1672 RTC 2279device ds3231 # Dallas DS3231 RTC + temperature 2280device fan53555 # Fairchild Semi FAN53555/SYR82x Regulator 2281device icee # AT24Cxxx and compatible EEPROMs 2282device isl12xx # Intersil ISL12xx RTC 2283device lm75 # LM75 compatible temperature sensor 2284device nxprtc # NXP RTCs: PCA/PFC212x PCA/PCF85xx 2285device rtc8583 # Epson RTC-8583 2286device s35390a # Seiko Instruments S-35390A RTC 2287device sy8106a # Silergy Corp. SY8106A buck regulator 2288 2289# Parallel-Port Bus 2290# 2291# Parallel port bus support is provided by the `ppbus' device. 2292# Multiple devices may be attached to the parallel port, devices 2293# are automatically probed and attached when found. 2294# 2295# Supported devices: 2296# lpt Parallel Printer 2297# plip Parallel network interface 2298# ppi General-purpose I/O ("Geek Port") + IEEE1284 I/O 2299# pps Pulse per second Timing Interface 2300# lpbb Philips official parallel port I2C bit-banging interface 2301# pcfclock Parallel port clock driver. 2302# 2303# Supported interfaces: 2304# ppc ISA-bus parallel port interfaces. 2305# 2306 2307options PPC_PROBE_CHIPSET # Enable chipset specific detection 2308 # (see flags in ppc(4)) 2309options DEBUG_1284 # IEEE1284 signaling protocol debug 2310options PERIPH_1284 # Makes your computer act as an IEEE1284 2311 # compliant peripheral 2312options DONTPROBE_1284 # Avoid boot detection of PnP parallel devices 2313options LPT_DEBUG # Printer driver debug 2314options PPC_DEBUG # Parallel chipset level debug 2315options PLIP_DEBUG # Parallel network IP interface debug 2316options PCFCLOCK_VERBOSE # Verbose pcfclock driver 2317options PCFCLOCK_MAX_RETRIES=5 # Maximum read tries (default 10) 2318 2319device ppc 2320envvar hint.ppc.0.at="isa" 2321envvar hint.ppc.0.irq="7" 2322device ppbus 2323device lpt 2324device plip 2325device ppi 2326device pps 2327device lpbb 2328device pcfclock 2329 2330# General Purpose I/O pins 2331device dwgpio # Synopsys DesignWare APB GPIO Controller 2332device gpio # gpio interfaces and bus support 2333device gpiobacklight # sysctl control of gpio-based backlight 2334device gpioiic # i2c via gpio bitbang 2335device gpiokeys # kbd(4) glue for gpio-based key input 2336device gpioled # led(4) gpio glue 2337device gpiopower # event handler for gpio-based powerdown 2338device gpiopps # Pulse per second input from gpio pin 2339device gpioregulator # extres/regulator glue for gpio pin 2340device gpiospi # SPI via gpio bitbang 2341device gpioths # 1-wire temp/humidity sensor on gpio pin 2342 2343# Pulse width modulation 2344device pwmbus # pwm interface and bus support 2345device pwmc # userland control access to pwm outputs 2346 2347# 2348# Etherswitch framework and drivers 2349# 2350# etherswitch The etherswitch(4) framework 2351# miiproxy Proxy device for miibus(4) functionality 2352# 2353# Switch hardware support: 2354# arswitch Atheros switches 2355# ip17x IC+ 17x family switches 2356# rtl8366r Realtek RTL8366 switches 2357# ukswitch Multi-PHY switches 2358# 2359device etherswitch 2360device miiproxy 2361device arswitch 2362device ip17x 2363device rtl8366rb 2364device ukswitch 2365 2366# Kernel BOOTP support 2367 2368options BOOTP # Use BOOTP to obtain IP address/hostname 2369 # Requires NFSCL and NFS_ROOT 2370options BOOTP_NFSROOT # NFS mount root filesystem using BOOTP info 2371options BOOTP_NFSV3 # Use NFS v3 to NFS mount root 2372options BOOTP_COMPAT # Workaround for broken bootp daemons. 2373options BOOTP_WIRED_TO=fxp0 # Use interface fxp0 for BOOTP 2374options BOOTP_BLOCKSIZE=8192 # Override NFS block size 2375 2376# 2377# Enable software watchdog routines, even if hardware watchdog is present. 2378# By default, software watchdog timer is enabled only if no hardware watchdog 2379# is present. 2380# 2381options SW_WATCHDOG 2382 2383# 2384# Add the software deadlock resolver thread. 2385# 2386options DEADLKRES 2387 2388# 2389# Disable swapping of stack pages. This option removes all 2390# code which actually performs swapping, so it's not possible to turn 2391# it back on at run-time. 2392# 2393# This is sometimes usable for systems which don't have any swap space 2394# (see also sysctl "vm.disable_swapspace_pageouts") 2395# 2396#options NO_SWAPPING 2397 2398# Set the number of sf_bufs to allocate. sf_bufs are virtual buffers 2399# for sendfile(2) that are used to map file VM pages, and normally 2400# default to a quantity that is roughly 16*MAXUSERS+512. You would 2401# typically want about 4 of these for each simultaneous file send. 2402# 2403options NSFBUFS=1024 2404 2405# 2406# Enable extra debugging code for locks. This stores the filename and 2407# line of whatever acquired the lock in the lock itself, and changes a 2408# number of function calls to pass around the relevant data. This is 2409# not at all useful unless you are debugging lock code. Note that 2410# modules should be recompiled as this option modifies KBI. 2411# 2412options DEBUG_LOCKS 2413 2414##################################################################### 2415# HID support 2416device hid # Generic HID support 2417options HID_DEBUG # enable debug msgs 2418device hidbus # HID bus 2419device hidmap # HID to evdev mapping 2420device hidraw # Raw access driver 2421options HIDRAW_MAKE_UHID_ALIAS # install /dev/uhid alias 2422device hconf # Multitouch configuration TLC 2423device hcons # Consumer controls 2424device hgame # Generic game controllers 2425device hkbd # HID keyboard 2426device hms # HID mouse 2427device hmt # HID multitouch (MS-compatible) 2428device hpen # Generic pen driver 2429device hsctrl # System controls 2430device ps4dshock # Sony PS4 DualShock 4 gamepad driver 2431device xb360gp # XBox 360 gamepad driver 2432 2433##################################################################### 2434# USB support 2435# UHCI controller 2436device uhci 2437# OHCI controller 2438device ohci 2439# EHCI controller 2440device ehci 2441# XHCI controller 2442device xhci 2443# SL811 Controller 2444#device slhci 2445# General USB code (mandatory for USB) 2446device usb 2447# 2448# USB Double Bulk Pipe devices 2449device udbp 2450# USB temperature meter 2451device ugold 2452# USB LED 2453device uled 2454# Human Interface Device (anything with buttons and dials) 2455device uhid 2456# USB keyboard 2457device ukbd 2458# USB printer 2459device ulpt 2460# USB mass storage driver (Requires scbus and da) 2461device umass 2462# USB mass storage driver for device-side mode 2463device usfs 2464# USB support for Belkin F5U109 and Magic Control Technology serial adapters 2465device umct 2466# USB modem support 2467device umodem 2468# USB mouse 2469device ums 2470# USB touchpad(s) 2471device atp 2472device wsp 2473# eGalax USB touch screen 2474device uep 2475# Diamond Rio 500 MP3 player 2476device urio 2477# HID-over-USB driver 2478device usbhid 2479 2480# 2481# USB serial support 2482device ucom 2483# USB support for 3G modem cards by Option, Novatel, Huawei and Sierra 2484device u3g 2485# USB support for Technologies ARK3116 based serial adapters 2486device uark 2487# USB support for Belkin F5U103 and compatible serial adapters 2488device ubsa 2489# USB support for serial adapters based on the FT8U100AX and FT8U232AM 2490device uftdi 2491# USB support for some Windows CE based serial communication. 2492device uipaq 2493# USB support for Prolific PL-2303 serial adapters 2494device uplcom 2495# USB support for Silicon Laboratories CP2101/CP2102 based USB serial adapters 2496device uslcom 2497# USB Visor and Palm devices 2498device uvisor 2499# USB serial support for DDI pocket's PHS 2500device uvscom 2501# 2502# USB ethernet support 2503device uether 2504# ADMtek USB ethernet. Supports the LinkSys USB100TX, 2505# the Billionton USB100, the Melco LU-ATX, the D-Link DSB-650TX 2506# and the SMC 2202USB. Also works with the ADMtek AN986 Pegasus 2507# eval board. 2508device aue 2509 2510# ASIX Electronics AX88172 USB 2.0 ethernet driver. Used in the 2511# LinkSys USB200M and various other adapters. 2512device axe 2513# ASIX Electronics AX88178A/AX88179 USB 2.0/3.0 gigabit ethernet driver. 2514device axge 2515 2516# 2517# Devices which communicate using Ethernet over USB, particularly 2518# Communication Device Class (CDC) Ethernet specification. Supports 2519# Sharp Zaurus PDAs, some DOCSIS cable modems and so on. 2520device cdce 2521# 2522# CATC USB-EL1201A USB ethernet. Supports the CATC Netmate 2523# and Netmate II, and the Belkin F5U111. 2524device cue 2525# 2526# Kawasaki LSI ethernet. Supports the LinkSys USB10T, 2527# Entrega USB-NET-E45, Peracom Ethernet Adapter, the 2528# 3Com 3c19250, the ADS Technologies USB-10BT, the ATen UC10T, 2529# the Netgear EA101, the D-Link DSB-650, the SMC 2102USB 2530# and 2104USB, and the Corega USB-T. 2531device kue 2532# 2533# RealTek RTL8150 USB to fast ethernet. Supports the Melco LUA-KTX 2534# and the GREEN HOUSE GH-USB100B. 2535device rue 2536# 2537# Davicom DM9601E USB to fast ethernet. Supports the Corega FEther USB-TXC. 2538device udav 2539# 2540# RealTek RTL8152/RTL8153 USB Ethernet driver 2541device ure 2542# 2543# Moschip MCS7730/MCS7840 USB to fast ethernet. Supports the Sitecom LN030. 2544device mos 2545# 2546# HSxPA devices from Option N.V 2547device uhso 2548 2549# Realtek RTL8188SU/RTL8191SU/RTL8192SU wireless driver 2550device rsu 2551# 2552# Ralink Technology RT2501USB/RT2601USB wireless driver 2553device rum 2554# Ralink Technology RT2700U/RT2800U/RT3000U wireless driver 2555device run 2556# 2557# Atheros AR5523 wireless driver 2558device uath 2559# 2560# Conexant/Intersil PrismGT wireless driver 2561device upgt 2562# 2563# Ralink Technology RT2500USB wireless driver 2564device ural 2565# 2566# RNDIS USB ethernet driver 2567device urndis 2568# Realtek RTL8187B/L wireless driver 2569device urtw 2570# 2571# ZyDas ZD1211/ZD1211B wireless driver 2572device zyd 2573# 2574# Sierra USB wireless driver 2575device usie 2576 2577# 2578# debugging options for the USB subsystem 2579# 2580options USB_DEBUG 2581options U3G_DEBUG 2582 2583# options for ukbd: 2584options UKBD_DFLT_KEYMAP # specify the built-in keymap 2585makeoptions UKBD_DFLT_KEYMAP=jp.106 2586 2587# options for uplcom: 2588options UPLCOM_INTR_INTERVAL=100 # interrupt pipe interval 2589 # in milliseconds 2590 2591# options for uvscom: 2592options UVSCOM_DEFAULT_OPKTSIZE=8 # default output packet size 2593options UVSCOM_INTR_INTERVAL=100 # interrupt pipe interval 2594 # in milliseconds 2595 2596##################################################################### 2597# FireWire support 2598 2599device firewire # FireWire bus code 2600device sbp # SCSI over Firewire (Requires scbus and da) 2601device sbp_targ # SBP-2 Target mode (Requires scbus and targ) 2602device fwe # Ethernet over FireWire (non-standard!) 2603device fwip # IP over FireWire (RFC2734 and RFC3146) 2604 2605##################################################################### 2606# dcons support (Dumb Console Device) 2607 2608device dcons # dumb console driver 2609device dcons_crom # FireWire attachment 2610options DCONS_BUF_SIZE=16384 # buffer size 2611options DCONS_POLL_HZ=100 # polling rate 2612options DCONS_FORCE_CONSOLE=0 # force to be the primary console 2613options DCONS_FORCE_GDB=1 # force to be the gdb device 2614 2615##################################################################### 2616# crypto subsystem 2617# 2618# This is a port of the OpenBSD crypto framework. Include this when 2619# configuring IPSEC and when you have a h/w crypto device to accelerate 2620# user applications that link to OpenSSL. 2621# 2622# Drivers are ports from OpenBSD with some simple enhancements that have 2623# been fed back to OpenBSD. 2624 2625device crypto # core crypto support 2626 2627# Only install the cryptodev device if you are running tests, or know 2628# specifically why you need it. In most cases, it is not needed and 2629# will make things slower. 2630device cryptodev # /dev/crypto for access to h/w 2631 2632device rndtest # FIPS 140-2 entropy tester 2633 2634device ccr # Chelsio T6 2635 2636device hifn # Hifn 7951, 7781, etc. 2637options HIFN_DEBUG # enable debugging support: hw.hifn.debug 2638options HIFN_RNDTEST # enable rndtest support 2639 2640##################################################################### 2641 2642 2643# 2644# Embedded system options: 2645# 2646# An embedded system might want to run something other than init. 2647options INIT_PATH=/sbin/init:/rescue/init 2648 2649# Debug options 2650options BUS_DEBUG # enable newbus debugging 2651options DEBUG_VFS_LOCKS # enable VFS lock debugging 2652options SOCKBUF_DEBUG # enable sockbuf last record/mb tail checking 2653options IFMEDIA_DEBUG # enable debugging in net/if_media.c 2654 2655# 2656# Verbose SYSINIT 2657# 2658# Make the SYSINIT process performed by mi_startup() verbose. This is very 2659# useful when porting to a new architecture. If DDB is also enabled, this 2660# will print function names instead of addresses. If defined with a value 2661# of zero, the verbose code is compiled-in but disabled by default, and can 2662# be enabled with the debug.verbose_sysinit=1 tunable. 2663options VERBOSE_SYSINIT 2664 2665##################################################################### 2666# SYSV IPC KERNEL PARAMETERS 2667# 2668# Maximum number of System V semaphores that can be used on the system at 2669# one time. 2670options SEMMNI=11 2671 2672# Total number of semaphores system wide 2673options SEMMNS=61 2674 2675# Total number of undo structures in system 2676options SEMMNU=31 2677 2678# Maximum number of System V semaphores that can be used by a single process 2679# at one time. 2680options SEMMSL=61 2681 2682# Maximum number of operations that can be outstanding on a single System V 2683# semaphore at one time. 2684options SEMOPM=101 2685 2686# Maximum number of undo operations that can be outstanding on a single 2687# System V semaphore at one time. 2688options SEMUME=11 2689 2690# Maximum number of shared memory pages system wide. 2691options SHMALL=1025 2692 2693# Maximum size, in bytes, of a single System V shared memory region. 2694options SHMMAX=(SHMMAXPGS*PAGE_SIZE+1) 2695options SHMMAXPGS=1025 2696 2697# Minimum size, in bytes, of a single System V shared memory region. 2698options SHMMIN=2 2699 2700# Maximum number of shared memory regions that can be used on the system 2701# at one time. 2702options SHMMNI=33 2703 2704# Maximum number of System V shared memory regions that can be attached to 2705# a single process at one time. 2706options SHMSEG=9 2707 2708# Set the amount of time (in seconds) the system will wait before 2709# rebooting automatically when a kernel panic occurs. If set to (-1), 2710# the system will wait indefinitely until a key is pressed on the 2711# console. 2712options PANIC_REBOOT_WAIT_TIME=16 2713 2714# Attempt to bypass the buffer cache and put data directly into the 2715# userland buffer for read operation when O_DIRECT flag is set on the 2716# file. Both offset and length of the read operation must be 2717# multiples of the physical media sector size. 2718# 2719options DIRECTIO 2720 2721# Specify a lower limit for the number of swap I/O buffers. They are 2722# (among other things) used when bypassing the buffer cache due to 2723# DIRECTIO kernel option enabled and O_DIRECT flag set on file. 2724# 2725options NSWBUF_MIN=120 2726 2727##################################################################### 2728 2729# More undocumented options for linting. 2730# Note that documenting these is not considered an affront. 2731 2732options CAM_DEBUG_DELAY 2733 2734options DEBUG 2735 2736# Kernel filelock debugging. 2737options LOCKF_DEBUG 2738 2739# System V compatible message queues 2740# Please note that the values provided here are used to test kernel 2741# building. The defaults in the sources provide almost the same numbers. 2742# MSGSSZ must be a power of 2 between 8 and 1024. 2743options MSGMNB=2049 # Max number of chars in queue 2744options MSGMNI=41 # Max number of message queue identifiers 2745options MSGSEG=2049 # Max number of message segments 2746options MSGSSZ=16 # Size of a message segment 2747options MSGTQL=41 # Max number of messages in system 2748 2749options NBUF=512 # Number of buffer headers 2750 2751options SC_DEBUG_LEVEL=5 # Syscons debug level 2752options SC_RENDER_DEBUG # syscons rendering debugging 2753 2754options VFS_BIO_DEBUG # VFS buffer I/O debugging 2755 2756options KSTACK_MAX_PAGES=32 # Maximum pages to give the kernel stack 2757options KSTACK_USAGE_PROF 2758 2759# Adaptec Array Controller driver options 2760options AAC_DEBUG # Debugging levels: 2761 # 0 - quiet, only emit warnings 2762 # 1 - noisy, emit major function 2763 # points and things done 2764 # 2 - extremely noisy, emit trace 2765 # items in loops, etc. 2766 2767# Resource Accounting 2768options RACCT 2769 2770# Resource Limits 2771options RCTL 2772 2773# Yet more undocumented options for linting. 2774options MAXFILES=999 2775 2776# Random number generator 2777# Alternative algorithm. 2778#options RANDOM_FENESTRASX 2779# Allow the CSPRNG algorithm to be loaded as a module. 2780#options RANDOM_LOADABLE 2781# Select this to allow high-rate but potentially expensive 2782# harvesting of Slab-Allocator entropy. In very high-rate 2783# situations the value of doing this is dubious at best. 2784options RANDOM_ENABLE_UMA # slab allocator 2785 2786# Select this to allow high-rate but potentially expensive 2787# harvesting of of the m_next pointer in the mbuf. Note that 2788# the m_next pointer is NULL except when receiving > 4K 2789# jumbo frames or sustained bursts by way of LRO. Thus in 2790# the common case it is stirring zero in to the entropy 2791# pool. In cases where it is not NULL it is pointing to one 2792# of a small (in the thousands to 10s of thousands) number 2793# of 256 byte aligned mbufs. Hence it is, even in the best 2794# case, a poor source of entropy. And in the absence of actual 2795# runtime analysis of entropy collection may mislead the user in 2796# to believe that substantially more entropy is being collected 2797# than in fact is - leading to a different class of security 2798# risk. In high packet rate situations ethernet entropy 2799# collection is also very expensive, possibly leading to as 2800# much as a 50% drop in packets received. 2801# This option is present to maintain backwards compatibility 2802# if desired, however it cannot be recommended for use in any 2803# environment. 2804options RANDOM_ENABLE_ETHER # ether_input 2805 2806# Module to enable execution of application via emulators like QEMU 2807options IMAGACT_BINMISC 2808 2809# zlib I/O stream support 2810# This enables support for compressed core dumps. 2811options GZIO 2812 2813# zstd support 2814# This enables support for Zstd compressed core dumps, GEOM_UZIP images, 2815# and is required by zfs if statically linked. 2816options ZSTDIO 2817 2818# BHND(4) drivers 2819options BHND_LOGLEVEL # Logging threshold level 2820 2821# evdev interface 2822device evdev # input event device support 2823options EVDEV_SUPPORT # evdev support in legacy drivers 2824options EVDEV_DEBUG # enable event debug msgs 2825device uinput # install /dev/uinput cdev 2826options UINPUT_DEBUG # enable uinput debug msgs 2827 2828# Encrypted kernel crash dumps. 2829options EKCD 2830 2831# Serial Peripheral Interface (SPI) support. 2832device spibus # Bus support. 2833device at45d # DataFlash driver 2834device cqspi # 2835device mx25l # SPIFlash driver 2836device n25q # 2837device spigen # Generic access to SPI devices from userland. 2838# Enable legacy /dev/spigenN name aliases for /dev/spigenX.Y devices. 2839options SPIGEN_LEGACY_CDEVNAME # legacy device names for spigen 2840 2841# Compression supports. 2842device zlib # gzip/zlib compression/decompression library 2843device xz # xz_embedded LZMA de-compression library 2844 2845# Kernel support for stats(3). 2846options STATS 2847