11519d15cSJohn Baldwin# $FreeBSD$ 22365e64fSRodney W. Grimes# 319dde963SPeter Wemm# NOTES -- Lines that can be cut/pasted into kernel and hints configs. 4f71c01ccSPeter Wemm# 5f71c01ccSPeter Wemm# Lines that begin with 'device', 'options', 'machine', 'ident', 'maxusers', 61519d15cSJohn Baldwin# 'makeoptions', 'hints', etc. go into the kernel configuration that you 7f71c01ccSPeter Wemm# run config(8) with. 8f71c01ccSPeter Wemm# 9*f9ba2bbeSWarner Losh# Lines that begin with 'envvar hint.' should go into your hints file. 10*f9ba2bbeSWarner Losh# See /boot/device.hints and/or the 'hints' config(8) directive. 112365e64fSRodney W. Grimes# 125d4850e7SAlexander Langer# Please use ``make LINT'' to create an old-style LINT file if you want to 135d4850e7SAlexander Langer# do kernel test-builds. 145d4850e7SAlexander Langer# 15dd267672SJohn Baldwin# This file contains machine independent kernel configuration notes. For 16dd267672SJohn Baldwin# machine dependent notes, look in /sys/<arch>/conf/NOTES. 17dd267672SJohn Baldwin# 181519d15cSJohn Baldwin 191519d15cSJohn Baldwin# 201519d15cSJohn Baldwin# NOTES conventions and style guide: 211519d15cSJohn Baldwin# 221519d15cSJohn Baldwin# Large block comments should begin and end with a line containing only a 231519d15cSJohn Baldwin# comment character. 241519d15cSJohn Baldwin# 251519d15cSJohn Baldwin# To describe a particular object, a block comment (if it exists) should 261519d15cSJohn Baldwin# come first. Next should come device, options, and hints lines in that 271519d15cSJohn Baldwin# order. All device and option lines must be described by a comment that 281519d15cSJohn Baldwin# doesn't just expand the device or option name. Use only a concise 291519d15cSJohn Baldwin# comment on the same line if possible. Very detailed descriptions of 301519d15cSJohn Baldwin# devices and subsystems belong in man pages. 311519d15cSJohn Baldwin# 32eb4f7a81SNate Lawson# A space followed by a tab separates 'options' from an option name. Two 331519d15cSJohn Baldwin# spaces followed by a tab separate 'device' from a device name. Comments 341519d15cSJohn Baldwin# after an option or device should use one space after the comment character. 351519d15cSJohn Baldwin# To comment out a negative option that disables code and thus should not be 36eb4f7a81SNate Lawson# enabled for LINT builds, precede 'options' with "#!". 372365e64fSRodney W. Grimes# 382365e64fSRodney W. Grimes 396a8d6623SGarrett Wollman# 406a8d6623SGarrett Wollman# This is the ``identification'' of the kernel. Usually this should 416a8d6623SGarrett Wollman# be the same as the name of your kernel. 426a8d6623SGarrett Wollman# 436a8d6623SGarrett Wollmanident LINT 446a8d6623SGarrett Wollman 456a8d6623SGarrett Wollman# 466a8d6623SGarrett Wollman# The `maxusers' parameter controls the static sizing of a number of 47ab0f83bdSRuslan Ermilov# internal system tables by a formula defined in subr_param.c. 48ab0f83bdSRuslan Ermilov# Omitting this parameter or setting it to 0 will cause the system to 49ab0f83bdSRuslan Ermilov# auto-size based on physical memory. 506a8d6623SGarrett Wollman# 516a8d6623SGarrett Wollmanmaxusers 10 526a8d6623SGarrett Wollman 5313c18821SJohn Baldwin# To statically compile in device wiring instead of /boot/device.hints 5413c18821SJohn Baldwin#hints "LINT.hints" # Default places to look for devices. 5513c18821SJohn Baldwin 5613c18821SJohn Baldwin# Use the following to compile in values accessible to the kernel 5713c18821SJohn Baldwin# through getenv() (or kenv(1) in userland). The format of the file 5813c18821SJohn Baldwin# is 'variable=value', see kenv(1) 5913c18821SJohn Baldwin# 6013c18821SJohn Baldwin#env "LINT.env" 6113c18821SJohn Baldwin 626a8d6623SGarrett Wollman# 637bf01a14SPeter Wemm# The `makeoptions' parameter allows variables to be passed to the 64503e6666SBruce Evans# generated Makefile in the build area. 65503e6666SBruce Evans# 66503e6666SBruce Evans# CONF_CFLAGS gives some extra compiler flags that are added to ${CFLAGS} 67503e6666SBruce Evans# after most other flags. Here we use it to inhibit use of non-optimal 681c9c6382SRuslan Ermilov# gcc built-in functions (e.g., memcmp). 69503e6666SBruce Evans# 70503e6666SBruce Evans# DEBUG happens to be magic. 717bf01a14SPeter Wemm# The following is equivalent to 'config -g KERNELNAME' and creates 727bf01a14SPeter Wemm# 'kernel.debug' compiled with -g debugging as well as a normal 737bf01a14SPeter Wemm# 'kernel'. Use 'make install.debug' to install the debug kernel 747bf01a14SPeter Wemm# but that isn't normally necessary as the debug symbols are not loaded 757bf01a14SPeter Wemm# by the kernel and are not useful there anyway. 767bf01a14SPeter Wemm# 772c8635c6SPeter Wemm# KERNEL can be overridden so that you can change the default name of your 782c8635c6SPeter Wemm# kernel. 792c8635c6SPeter Wemm# 800e3d06b1SWarner Losh# MODULES_OVERRIDE can be used to limit modules built to a specific list. 810e3d06b1SWarner Losh# 82503e6666SBruce Evansmakeoptions CONF_CFLAGS=-fno-builtin #Don't allow use of memcmp, etc. 835895e3c8SPeter Wemm#makeoptions DEBUG=-g #Build kernel with gdb(1) debug symbols 842c8635c6SPeter Wemm#makeoptions KERNEL=foo #Build kernel "foo" and install "/foo" 85f4eb4717SAlexander Leidinger# Only build ext2fs module plus those parts of the sound system I need. 86f4eb4717SAlexander Leidinger#makeoptions MODULES_OVERRIDE="ext2fs sound/sound sound/driver/maestro3" 87fa75a3c2SPoul-Henning Kampmakeoptions DESTDIR=/tmp 88fa75a3c2SPoul-Henning Kamp 893236b30eSGreg Lehey# 90480c6b8aSGreg Lehey# FreeBSD processes are subject to certain limits to their consumption 91480c6b8aSGreg Lehey# of system resources. See getrlimit(2) for more details. Each 92480c6b8aSGreg Lehey# resource limit has two values, a "soft" limit and a "hard" limit. 93480c6b8aSGreg Lehey# The soft limits can be modified during normal system operation, but 94480c6b8aSGreg Lehey# the hard limits are set at boot time. Their default values are 95480c6b8aSGreg Lehey# in sys/<arch>/include/vmparam.h. There are two ways to change them: 96480c6b8aSGreg Lehey# 97480c6b8aSGreg Lehey# 1. Set the values at kernel build time. The options below are one 98480c6b8aSGreg Lehey# way to allow that limit to grow to 1GB. They can be increased 99480c6b8aSGreg Lehey# further by changing the parameters: 1003236b30eSGreg Lehey# 101480c6b8aSGreg Lehey# 2. In /boot/loader.conf, set the tunables kern.maxswzone, 102480c6b8aSGreg Lehey# kern.maxbcache, kern.maxtsiz, kern.dfldsiz, kern.maxdsiz, 103480c6b8aSGreg Lehey# kern.dflssiz, kern.maxssiz and kern.sgrowsiz. 104a59d364aSMatthew Dillon# 105480c6b8aSGreg Lehey# The options in /boot/loader.conf override anything in the kernel 106480c6b8aSGreg Lehey# configuration file. See the function init_param1 in 107480c6b8aSGreg Lehey# sys/kern/subr_param.c for more details. 1083236b30eSGreg Lehey# 109480c6b8aSGreg Lehey 1103236b30eSGreg Leheyoptions MAXDSIZ=(1024UL*1024*1024) 1113236b30eSGreg Leheyoptions MAXSSIZ=(128UL*1024*1024) 1123236b30eSGreg Leheyoptions DFLDSIZ=(1024UL*1024*1024) 1133236b30eSGreg Lehey 1143236b30eSGreg Lehey# 115a59d364aSMatthew Dillon# BLKDEV_IOSIZE sets the default block size used in user block 1163c7c6c12SMike Pritchard# device I/O. Note that this value will be overridden by the label 117a59d364aSMatthew Dillon# when specifying a block device from a label with a non-0 1188b22cebbSMatthew Dillon# partition blocksize. The default is PAGE_SIZE. 119a59d364aSMatthew Dillon# 120a59d364aSMatthew Dillonoptions BLKDEV_IOSIZE=8192 121a59d364aSMatthew Dillon 122f9fbd1a4SMatt Jacob# 123f9fbd1a4SMatt Jacob# MAXPHYS and DFLTPHYS 124f9fbd1a4SMatt Jacob# 12550a8df3cSAlexander Motin# These are the maximal and safe 'raw' I/O block device access sizes. 12650a8df3cSAlexander Motin# Reads and writes will be split into MAXPHYS chunks for known good 12750a8df3cSAlexander Motin# devices and DFLTPHYS for the rest. Some applications have better 12850a8df3cSAlexander Motin# performance with larger raw I/O access sizes. Note that certain VM 129f9fbd1a4SMatt Jacob# parameters are derived from these values and making them too large 130af52cb44SSergey Kandaurov# can make an unbootable kernel. 131f9fbd1a4SMatt Jacob# 132f9fbd1a4SMatt Jacob# The defaults are 64K and 128K respectively. 133f9fbd1a4SMatt Jacoboptions DFLTPHYS=(64*1024) 134f9fbd1a4SMatt Jacoboptions MAXPHYS=(128*1024) 135f9fbd1a4SMatt Jacob 136f9fbd1a4SMatt Jacob 137827d623eSJordan K. Hubbard# This allows you to actually store this configuration file into 138272afb65SWojciech A. Koszek# the kernel binary itself. See config(8) for more details. 139827d623eSJordan K. Hubbard# 140827d623eSJordan K. Hubbardoptions INCLUDE_CONFIG_FILE # Include this file in kernel 141827d623eSJordan K. Hubbard 14256fddc5dSBrooks Davis# 14356fddc5dSBrooks Davis# Compile-time defaults for various boot parameters 14456fddc5dSBrooks Davis# 14556fddc5dSBrooks Davisoptions BOOTVERBOSE=1 14656fddc5dSBrooks Davisoptions BOOTHOWTO=RB_MULTIPLE 14756fddc5dSBrooks Davis 1482a4650ccSKyle Evans# 1492a4650ccSKyle Evans# Compile-time defaults for dmesg boot tagging 1502a4650ccSKyle Evans# 1512a4650ccSKyle Evans# Default boot tag; may use 'kern.boot_tag' loader tunable to override. The 1522a4650ccSKyle Evans# current boot's tag is also exposed via the 'kern.boot_tag' sysctl. 15345916554SKyle Evansoptions BOOT_TAG=\"\" 1542a4650ccSKyle Evans# Maximum boot tag size the kernel's static buffer should accomodate. Maximum 1552a4650ccSKyle Evans# size for both BOOT_TAG and the assocated tunable. 1562a4650ccSKyle Evansoptions BOOT_TAG_SZ=32 1572a4650ccSKyle Evans 158069accaaSPoul-Henning Kampoptions GEOM_BDE # Disk encryption. 1595d9f25dcSRuslan Ermilovoptions GEOM_CACHE # Disk cache. 1607226443dSPawel Jakub Dawidekoptions GEOM_CONCAT # Disk concatenation. 1615ca1fcfeSPawel Jakub Dawidekoptions GEOM_ELI # Disk encryption. 1627226443dSPawel Jakub Dawidekoptions GEOM_GATE # Userland services. 163f348204cSPawel Jakub Dawidekoptions GEOM_JOURNAL # Journaling. 164e1237b28SPawel Jakub Dawidekoptions GEOM_LABEL # Providers labelization. 1651669d8afSAndrew Thompsonoptions GEOM_LINUX_LVM # Linux LVM2 volumes 166fcdb1ffcSAndrey V. Elsukovoptions GEOM_MAP # Map based partitioning 1678a8fbacaSPawel Jakub Dawidekoptions GEOM_MIRROR # Disk mirroring. 168e770bc6bSMatt Jacoboptions GEOM_MULTIPATH # Disk multipath 1697dc92b13SPawel Jakub Dawidekoptions GEOM_NOP # Test class. 1701d3aed33SMarcel Moolenaaroptions GEOM_PART_APM # Apple partitioning 1715aaa8fefSMarcel Moolenaaroptions GEOM_PART_BSD # BSD disklabel 172d68d0cf5SAndrey V. Elsukovoptions GEOM_PART_BSD64 # BSD disklabel64 17391e1be8bSMarcel Moolenaaroptions GEOM_PART_EBR # Extended Boot Records 1741d3aed33SMarcel Moolenaaroptions GEOM_PART_GPT # GPT partitioning 175e800e2e1SAndrey V. Elsukovoptions GEOM_PART_LDM # Logical Disk Manager 1766bc50445SMarcel Moolenaaroptions GEOM_PART_MBR # MBR partitioning 17710020e9dSMarcel Moolenaaroptions GEOM_PART_VTOC8 # SMI VTOC8 disk label 17889b17223SAlexander Motinoptions GEOM_RAID # Soft RAID functionality. 179e81856c3SPawel Jakub Dawidekoptions GEOM_RAID3 # RAID3 functionality. 180560cb857SPawel Jakub Dawidekoptions GEOM_SHSEC # Shared secret. 1817dc92b13SPawel Jakub Dawidekoptions GEOM_STRIPE # Disk striping. 18275261008SMax Khonoptions GEOM_UZIP # Read-only compressed disks 18302e17f0bSMarius Strobloptions GEOM_VINUM # Vinum logical volume manager 184f854db0bSPawel Jakub Dawidekoptions GEOM_VIRSTOR # Virtual storage. 1851c9c6382SRuslan Ermilovoptions GEOM_ZERO # Performance testing helper. 1867b03a440SPoul-Henning Kamp 1878b140d57SMike Smith# 1888b140d57SMike Smith# The root device and filesystem type can be compiled in; 1898b140d57SMike Smith# this provides a fallback option if the root device cannot 1903b6c640cSCrist J. Clark# be correctly guessed by the bootstrap code, or an override if 1918b140d57SMike Smith# the RB_DFLTROOT flag (-r) is specified when booting the kernel. 1928b140d57SMike Smith# 1938b140d57SMike Smithoptions ROOTDEVNAME=\"ufs:da0s2e\" 1948b140d57SMike Smith 1956a8d6623SGarrett Wollman 1966a8d6623SGarrett Wollman##################################################################### 197f5d05ac3SJeff Roberson# Scheduler options: 198f5d05ac3SJeff Roberson# 199a61617edSGiorgos Keramidas# Specifying one of SCHED_4BSD or SCHED_ULE is mandatory. These options 200f5d05ac3SJeff Roberson# select which scheduler is compiled in. 201f5d05ac3SJeff Roberson# 202f5d05ac3SJeff Roberson# SCHED_4BSD is the historical, proven, BSD scheduler. It has a global run 2031c9c6382SRuslan Ermilov# queue and no CPU affinity which makes it suboptimal for SMP. It has very 204f5d05ac3SJeff Roberson# good interactivity and priority selection. 205f5d05ac3SJeff Roberson# 206bd675f58SJeff Roberson# SCHED_ULE provides significant performance advantages over 4BSD on many 207bd675f58SJeff Roberson# workloads on SMP machines. It supports cpu-affinity, per-cpu runqueues 208bd675f58SJeff Roberson# and scheduler locks. It also has a stronger notion of interactivity 209bd675f58SJeff Roberson# which leads to better responsiveness even on uniprocessor machines. This 2109c0ef6d5SOliver Fromme# is the default scheduler. 211f5d05ac3SJeff Roberson# 21275a66a92SJeff Roberson# SCHED_STATS is a debugging option which keeps some stats in the sysctl 21375a66a92SJeff Roberson# tree at 'kern.sched.stats' and is useful for debugging scheduling decisions. 21475a66a92SJeff Roberson# 215b998bd92SJeff Robersonoptions SCHED_4BSD 21675a66a92SJeff Robersonoptions SCHED_STATS 217b998bd92SJeff Roberson#options SCHED_ULE 218f5d05ac3SJeff Roberson 219f5d05ac3SJeff Roberson##################################################################### 220477a642cSPeter Wemm# SMP OPTIONS: 221477a642cSPeter Wemm# 222477a642cSPeter Wemm# SMP enables building of a Symmetric MultiProcessor Kernel. 223477a642cSPeter Wemm 224477a642cSPeter Wemm# Mandatory: 225477a642cSPeter Wemmoptions SMP # Symmetric MultiProcessor Kernel 226477a642cSPeter Wemm 227fdce57a0SJohn Baldwin# EARLY_AP_STARTUP releases the Application Processors earlier in the 228fdce57a0SJohn Baldwin# kernel startup process (before devices are probed) rather than at the 229fdce57a0SJohn Baldwin# end. This is a temporary option for use during the transition from 230fdce57a0SJohn Baldwin# late to early AP startup. 231fdce57a0SJohn Baldwinoptions EARLY_AP_STARTUP 232fdce57a0SJohn Baldwin 23368b739cdSAttilio Rao# MAXCPU defines the maximum number of CPUs that can boot in the system. 23468b739cdSAttilio Rao# A default value should be already present, for every architecture. 23568b739cdSAttilio Raooptions MAXCPU=32 23668b739cdSAttilio Rao 237b6715dabSJeff Roberson# NUMA enables use of Non-Uniform Memory Access policies in various kernel 238b6715dabSJeff Roberson# subsystems. 239b6715dabSJeff Robersonoptions NUMA 240b6715dabSJeff Roberson 241941646f5SAttilio Rao# MAXMEMDOM defines the maximum number of memory domains that can boot in the 242941646f5SAttilio Rao# system. A default value should already be defined by every architecture. 24362d70a81SJohn Baldwinoptions MAXMEMDOM=2 24462d70a81SJohn Baldwin 2452498cf8cSJohn Baldwin# ADAPTIVE_MUTEXES changes the behavior of blocking mutexes to spin 2462498cf8cSJohn Baldwin# if the thread that currently owns the mutex is executing on another 247d51e8487SJosh Paetzel# CPU. This behavior is enabled by default, so this option can be used 248701f1408SScott Long# to disable it. 249701f1408SScott Longoptions NO_ADAPTIVE_MUTEXES 2502498cf8cSJohn Baldwin 251cd6e6e4eSJohn Baldwin# ADAPTIVE_RWLOCKS changes the behavior of reader/writer locks to spin 252cd6e6e4eSJohn Baldwin# if the thread that currently owns the rwlock is executing on another 253d51e8487SJosh Paetzel# CPU. This behavior is enabled by default, so this option can be used 254cd6e6e4eSJohn Baldwin# to disable it. 255cd6e6e4eSJohn Baldwinoptions NO_ADAPTIVE_RWLOCKS 256cd6e6e4eSJohn Baldwin 2571ae1c2a3SAttilio Rao# ADAPTIVE_SX changes the behavior of sx locks to spin if the thread that 2581ae1c2a3SAttilio Rao# currently owns the sx lock is executing on another CPU. 259d51e8487SJosh Paetzel# This behavior is enabled by default, so this option can be used to 2601ae1c2a3SAttilio Rao# disable it. 2611ae1c2a3SAttilio Raooptions NO_ADAPTIVE_SX 2624e7f640dSJohn Baldwin 263ad27c4c7SJohn Baldwin# MUTEX_NOINLINE forces mutex operations to call functions to perform each 264ad27c4c7SJohn Baldwin# operation rather than inlining the simple cases. This can be used to 265ad27c4c7SJohn Baldwin# shrink the size of the kernel text segment. Note that this behavior is 266cf31ff26SRuslan Ermilov# already implied by the INVARIANT_SUPPORT, INVARIANTS, KTR, LOCK_PROFILING, 267ad27c4c7SJohn Baldwin# and WITNESS options. 268ad27c4c7SJohn Baldwinoptions MUTEX_NOINLINE 269ad27c4c7SJohn Baldwin 2701a5d9b15SJohn Baldwin# RWLOCK_NOINLINE forces rwlock operations to call functions to perform each 2711a5d9b15SJohn Baldwin# operation rather than inlining the simple cases. This can be used to 2721a5d9b15SJohn Baldwin# shrink the size of the kernel text segment. Note that this behavior is 273cf31ff26SRuslan Ermilov# already implied by the INVARIANT_SUPPORT, INVARIANTS, KTR, LOCK_PROFILING, 2741a5d9b15SJohn Baldwin# and WITNESS options. 2751a5d9b15SJohn Baldwinoptions RWLOCK_NOINLINE 2761a5d9b15SJohn Baldwin 2774e7f640dSJohn Baldwin# SX_NOINLINE forces sx lock operations to call functions to perform each 2784e7f640dSJohn Baldwin# operation rather than inlining the simple cases. This can be used to 2794e7f640dSJohn Baldwin# shrink the size of the kernel text segment. Note that this behavior is 2804e7f640dSJohn Baldwin# already implied by the INVARIANT_SUPPORT, INVARIANTS, KTR, LOCK_PROFILING, 2814e7f640dSJohn Baldwin# and WITNESS options. 2824e7f640dSJohn Baldwinoptions SX_NOINLINE 2834e7f640dSJohn Baldwin 2841fe4c660SJohn Baldwin# SMP Debugging Options: 2851fe4c660SJohn Baldwin# 2865b999a6bSDavide Italiano# CALLOUT_PROFILING enables rudimentary profiling of the callwheel data 2875b999a6bSDavide Italiano# structure used as backend in callout(9). 2885e21b51bSDavid E. O'Brien# PREEMPTION allows the threads that are in the kernel to be preempted by 2895e21b51bSDavid E. O'Brien# higher priority [interrupt] threads. It helps with interactivity 2905e21b51bSDavid E. O'Brien# and allows interrupt threads to run sooner rather than waiting. 29167ab9fd7SJohn Baldwin# WARNING! Only tested on amd64 and i386. 2920c0b25aeSJohn Baldwin# FULL_PREEMPTION instructs the kernel to preempt non-realtime kernel 2938c5923d9SCeri Davies# threads. Its sole use is to expose race conditions and other 2940c0b25aeSJohn Baldwin# bugs during development. Enabling this option will reduce 2950c0b25aeSJohn Baldwin# performance and increase the frequency of kernel panics by 2960c0b25aeSJohn Baldwin# design. If you aren't sure that you need it then you don't. 2979923b511SScott Long# Relies on the PREEMPTION option. DON'T TURN THIS ON. 298ef0ebfc3SJohn Baldwin# SLEEPQUEUE_PROFILING enables rudimentary profiling of the hash table 29975a66a92SJeff Roberson# used to hold active sleep queues as well as sleep wait message 30075a66a92SJeff Roberson# frequency. 301ef0ebfc3SJohn Baldwin# TURNSTILE_PROFILING enables rudimentary profiling of the hash table 302ef0ebfc3SJohn Baldwin# used to hold active lock queues. 303c6111de5SDavide Italiano# UMTX_PROFILING enables rudimentary profiling of the hash table used 30427c8e6b8SGlen Barber# to hold active lock queues. 305aa4019efSRobert Watson# WITNESS enables the witness code which detects deadlocks and cycles 3061fe4c660SJohn Baldwin# during locking operations. 307e2ee2173SMarcel Moolenaar# WITNESS_KDB causes the witness code to drop into the kernel debugger if 3083c7c6c12SMike Pritchard# a lock hierarchy violation occurs or if locks are held when going to 309660d1e3aSJohn Baldwin# sleep. 310660d1e3aSJohn Baldwin# WITNESS_SKIPSPIN disables the witness checks on spin mutexes. 3119923b511SScott Longoptions PREEMPTION 3120c0b25aeSJohn Baldwinoptions FULL_PREEMPTION 3131fe4c660SJohn Baldwinoptions WITNESS 314e2ee2173SMarcel Moolenaaroptions WITNESS_KDB 315660d1e3aSJohn Baldwinoptions WITNESS_SKIPSPIN 3161fe4c660SJohn Baldwin 317cf31ff26SRuslan Ermilov# LOCK_PROFILING - Profiling locks. See LOCK_PROFILING(9) for details. 31807dba937SKip Macyoptions LOCK_PROFILING 31900096801SJohn-Mark Gurney# Set the number of buffers and the hash size. The hash size MUST be larger 32000096801SJohn-Mark Gurney# than the number of buffers. Hash size should be prime. 32100096801SJohn-Mark Gurneyoptions MPROF_BUFFERS="1536" 32200096801SJohn-Mark Gurneyoptions MPROF_HASH_SIZE="1543" 3234db0d7f1SDag-Erling Smørgrav 3245b999a6bSDavide Italiano# Profiling for the callout(9) backend. 3255b999a6bSDavide Italianooptions CALLOUT_PROFILING 3265b999a6bSDavide Italiano 327ef0ebfc3SJohn Baldwin# Profiling for internal hash tables. 328ef0ebfc3SJohn Baldwinoptions SLEEPQUEUE_PROFILING 329ef0ebfc3SJohn Baldwinoptions TURNSTILE_PROFILING 330c6111de5SDavide Italianooptions UMTX_PROFILING 331331805a5SDavide Italiano 332ef0ebfc3SJohn Baldwin 333477a642cSPeter Wemm##################################################################### 3346a8d6623SGarrett Wollman# COMPATIBILITY OPTIONS 335690f540cSAndrey A. Chernov 336d3e64681SPoul-Henning Kamp# Old tty interface. 337d3e64681SPoul-Henning Kampoptions COMPAT_43TTY 338d3e64681SPoul-Henning Kamp 339f5e4c105SJohn Baldwin# Note that as a general rule, COMPAT_FREEBSD<n> depends on 340f5e4c105SJohn Baldwin# COMPAT_FREEBSD<n+1>, COMPAT_FREEBSD<n+2>, etc. 341f5e4c105SJohn Baldwin 342f0eb293eSAlfred Perlstein# Enable FreeBSD4 compatibility syscalls 343f0eb293eSAlfred Perlsteinoptions COMPAT_FREEBSD4 344f0eb293eSAlfred Perlstein 345a01b4125SKen Smith# Enable FreeBSD5 compatibility syscalls 346a01b4125SKen Smithoptions COMPAT_FREEBSD5 347a01b4125SKen Smith 3486c9fdda7SRuslan Ermilov# Enable FreeBSD6 compatibility syscalls 3496c9fdda7SRuslan Ermilovoptions COMPAT_FREEBSD6 3506c9fdda7SRuslan Ermilov 3515965c4b7SJohn Baldwin# Enable FreeBSD7 compatibility syscalls 3525965c4b7SJohn Baldwinoptions COMPAT_FREEBSD7 3535965c4b7SJohn Baldwin 3547d313e7bSJohn Baldwin# Enable FreeBSD9 compatibility syscalls 3557d313e7bSJohn Baldwinoptions COMPAT_FREEBSD9 3567d313e7bSJohn Baldwin 3577d313e7bSJohn Baldwin# Enable FreeBSD10 compatibility syscalls 3587d313e7bSJohn Baldwinoptions COMPAT_FREEBSD10 3597d313e7bSJohn Baldwin 3607f68a896SMark Johnston# Enable FreeBSD11 compatibility syscalls 3617f68a896SMark Johnstonoptions COMPAT_FREEBSD11 3627f68a896SMark Johnston 363d6745408SConrad Meyer# Enable FreeBSD12 compatibility syscalls 364d6745408SConrad Meyeroptions COMPAT_FREEBSD12 365d6745408SConrad Meyer 3668d59ecb2SHans Petter Selasky# Enable Linux Kernel Programming Interface 3678d59ecb2SHans Petter Selaskyoptions COMPAT_LINUXKPI 3688d59ecb2SHans Petter Selasky 3696a8d6623SGarrett Wollman# 3706a8d6623SGarrett Wollman# These three options provide support for System V Interface 3716a8d6623SGarrett Wollman# Definition-style interprocess communication, in the form of shared 3726a8d6623SGarrett Wollman# memory, semaphores, and message queues, respectively. 3736a8d6623SGarrett Wollman# 3746a8d6623SGarrett Wollmanoptions SYSVSHM 3756a8d6623SGarrett Wollmanoptions SYSVSEM 3766a8d6623SGarrett Wollmanoptions SYSVMSG 3776a8d6623SGarrett Wollman 3786a8d6623SGarrett Wollman 3796a8d6623SGarrett Wollman##################################################################### 3806a8d6623SGarrett Wollman# DEBUGGING OPTIONS 3816a8d6623SGarrett Wollman 3826a8d6623SGarrett Wollman# 383e2ee2173SMarcel Moolenaar# Compile with kernel debugger related code. 3846a8d6623SGarrett Wollman# 385e2ee2173SMarcel Moolenaaroptions KDB 386b5d89ca8SBruce Evans 387b5d89ca8SBruce Evans# 388e2ee2173SMarcel Moolenaar# Print a stack trace of the current thread on the console for a panic. 3897085e708SBruce Evans# 390e2ee2173SMarcel Moolenaaroptions KDB_TRACE 391e2ee2173SMarcel Moolenaar 392e2ee2173SMarcel Moolenaar# 393e2ee2173SMarcel Moolenaar# Don't enter the debugger for a panic. Intended for unattended operation 394e2ee2173SMarcel Moolenaar# where you may want to enter the debugger from the console, but still want 395e2ee2173SMarcel Moolenaar# the machine to recover from a panic. 396e2ee2173SMarcel Moolenaar# 397e2ee2173SMarcel Moolenaaroptions KDB_UNATTENDED 398e2ee2173SMarcel Moolenaar 399e2ee2173SMarcel Moolenaar# 400e2ee2173SMarcel Moolenaar# Enable the ddb debugger backend. 401e2ee2173SMarcel Moolenaar# 402e2ee2173SMarcel Moolenaaroptions DDB 4037085e708SBruce Evans 4047085e708SBruce Evans# 405bfdd261eSBruce Evans# Print the numerical value of symbols in addition to the symbolic 406bfdd261eSBruce Evans# representation. 407bfdd261eSBruce Evans# 408bfdd261eSBruce Evansoptions DDB_NUMSYM 409bfdd261eSBruce Evans 410bfdd261eSBruce Evans# 411e2ee2173SMarcel Moolenaar# Enable the remote gdb debugger backend. 4120be15decSJohn Baldwin# 413e2ee2173SMarcel Moolenaaroptions GDB 414562d05dfSPaul Traina 415562d05dfSPaul Traina# 41637bd4ba9SConrad Meyer# Trashes list pointers when they become invalid (i.e., the element is 41737bd4ba9SConrad Meyer# removed from a list). Relatively inexpensive to enable. 41837bd4ba9SConrad Meyer# 41937bd4ba9SConrad Meyeroptions QUEUE_MACRO_DEBUG_TRASH 42037bd4ba9SConrad Meyer 42137bd4ba9SConrad Meyer# 42237bd4ba9SConrad Meyer# Stores information about the last caller to modify the list object 42337bd4ba9SConrad Meyer# in the list object. Requires additional memory overhead. 42437bd4ba9SConrad Meyer# 4253fcdcab0SConrad Meyer#options QUEUE_MACRO_DEBUG_TRACE 42637bd4ba9SConrad Meyer 42737bd4ba9SConrad Meyer# 428df970488SRobert Watson# SYSCTL_DEBUG enables a 'sysctl' debug tree that can be used to dump the 429df970488SRobert Watson# contents of the registered sysctl nodes on the console. It is disabled by 4301c9c6382SRuslan Ermilov# default because it generates excessively verbose console output that can 431df970488SRobert Watson# interfere with serial console operation. 432df970488SRobert Watson# 433df970488SRobert Watsonoptions SYSCTL_DEBUG 434df970488SRobert Watson 435df970488SRobert Watson# 43621d748a9SAlfred Perlstein# Enable textdump by default, this disables kernel core dumps. 43721d748a9SAlfred Perlstein# 43821d748a9SAlfred Perlsteinoptions TEXTDUMP_PREFERRED 43921d748a9SAlfred Perlstein 44021d748a9SAlfred Perlstein# 44121d748a9SAlfred Perlstein# Enable extra debug messages while performing textdumps. 44221d748a9SAlfred Perlstein# 44321d748a9SAlfred Perlsteinoptions TEXTDUMP_VERBOSE 44421d748a9SAlfred Perlstein 44521d748a9SAlfred Perlstein# 44631615ef7SRebecca Cran# NO_SYSCTL_DESCR omits the sysctl node descriptions to save space in the 44731615ef7SRebecca Cran# resulting kernel. 44831615ef7SRebecca Cranoptions NO_SYSCTL_DESCR 44931615ef7SRebecca Cran 45031615ef7SRebecca Cran# 451d7854da1SMatthew D Fleming# MALLOC_DEBUG_MAXZONES enables multiple uma zones for malloc(9) 452d7854da1SMatthew D Fleming# allocations that are smaller than a page. The purpose is to isolate 453d7854da1SMatthew D Fleming# different malloc types into hash classes, so that any buffer 454d7854da1SMatthew D Fleming# overruns or use-after-free will usually only affect memory from 455d7854da1SMatthew D Fleming# malloc types in that hash class. This is purely a debugging tool; 456d7854da1SMatthew D Fleming# by varying the hash function and tracking which hash class was 457d7854da1SMatthew D Fleming# corrupted, the intersection of the hash classes from each instance 458d7854da1SMatthew D Fleming# will point to a single malloc type that is being misused. At this 459d7854da1SMatthew D Fleming# point inspection or memguard(9) can be used to catch the offending 460d7854da1SMatthew D Fleming# code. 461d7854da1SMatthew D Fleming# 462d7854da1SMatthew D Flemingoptions MALLOC_DEBUG_MAXZONES=8 463d7854da1SMatthew D Fleming 464d7854da1SMatthew D Fleming# 465e4eb384bSBosko Milekic# DEBUG_MEMGUARD builds and enables memguard(9), a replacement allocator 466e4eb384bSBosko Milekic# for the kernel used to detect modify-after-free scenarios. See the 467e4eb384bSBosko Milekic# memguard(9) man page for more information on usage. 468e4eb384bSBosko Milekic# 469e4eb384bSBosko Milekicoptions DEBUG_MEMGUARD 470e4eb384bSBosko Milekic 471e4eb384bSBosko Milekic# 472847a2a17SPawel Jakub Dawidek# DEBUG_REDZONE enables buffer underflows and buffer overflows detection for 473847a2a17SPawel Jakub Dawidek# malloc(9). 474847a2a17SPawel Jakub Dawidek# 475847a2a17SPawel Jakub Dawidekoptions DEBUG_REDZONE 476847a2a17SPawel Jakub Dawidek 477847a2a17SPawel Jakub Dawidek# 478e79f350dSWarner Losh# EARLY_PRINTF enables support for calling a special printf (eprintf) 479e79f350dSWarner Losh# very early in the kernel (before cn_init() has been called). This 480e79f350dSWarner Losh# should only be used for debugging purposes early in boot. Normally, 481e79f350dSWarner Losh# it is not defined. It is commented out here because this feature 482e79f350dSWarner Losh# isn't generally available. And the required eputc() isn't defined. 483e79f350dSWarner Losh# 484e79f350dSWarner Losh#options EARLY_PRINTF 485e79f350dSWarner Losh 486e79f350dSWarner Losh# 487ea3fc8e4SJohn Baldwin# KTRACE enables the system-call tracing facility ktrace(2). To be more 488ea3fc8e4SJohn Baldwin# SMP-friendly, KTRACE uses a worker thread to process most trace events 489ea3fc8e4SJohn Baldwin# asynchronously to the thread generating the event. This requires a 490ea3fc8e4SJohn Baldwin# pre-allocated store of objects representing trace events. The 491ea3fc8e4SJohn Baldwin# KTRACE_REQUEST_POOL option specifies the initial size of this store. 492ea3fc8e4SJohn Baldwin# The size of the pool can be adjusted both at boottime and runtime via 493ea3fc8e4SJohn Baldwin# the kern.ktrace_request_pool tunable and sysctl. 4946a8d6623SGarrett Wollman# 4952365e64fSRodney W. Grimesoptions KTRACE #kernel tracing 496ea3fc8e4SJohn Baldwinoptions KTRACE_REQUEST_POOL=101 49721c64a07SAndrey A. Chernov 4986a8d6623SGarrett Wollman# 499f7e95633SRuslan Ermilov# KTR is a kernel tracing facility imported from BSD/OS. It is 500a7bebf90SKris Kennaway# enabled with the KTR option. KTR_ENTRIES defines the number of 5016e465ac7SDavide Italiano# entries in the circular trace buffer; it may be an arbitrary number. 50236b7dde4SAndriy Gapon# KTR_BOOT_ENTRIES defines the number of entries during the early boot, 50336b7dde4SAndriy Gapon# before malloc(9) is functional. 504a7bebf90SKris Kennaway# KTR_COMPILE defines the mask of events to compile into the kernel as 505a7bebf90SKris Kennaway# defined by the KTR_* constants in <sys/ktr.h>. KTR_MASK defines the 506a7bebf90SKris Kennaway# initial value of the ktr_mask variable which determines at runtime 507a7bebf90SKris Kennaway# what events to trace. KTR_CPUMASK determines which CPU's log 508e3709597SAttilio Rao# events, with bit X corresponding to CPU X. The layout of the string 509d51e8487SJosh Paetzel# passed as KTR_CPUMASK must match a series of bitmasks each of them 510d4a2ab8cSAttilio Rao# separated by the "," character (ie: 511d4a2ab8cSAttilio Rao# KTR_CPUMASK=0xAF,0xFFFFFFFFFFFFFFFF). KTR_VERBOSE enables 512a7bebf90SKris Kennaway# dumping of KTR events to the console by default. This functionality 513a7bebf90SKris Kennaway# can be toggled via the debug.ktr_verbose sysctl and defaults to off 514f7e95633SRuslan Ermilov# if KTR_VERBOSE is not defined. See ktr(4) and ktrdump(8) for details. 515c508c1b6SJohn Baldwin# 516c508c1b6SJohn Baldwinoptions KTR 51736b7dde4SAndriy Gaponoptions KTR_BOOT_ENTRIES=1024 51836b7dde4SAndriy Gaponoptions KTR_ENTRIES=(128*1024) 5196740ed37SGleb Smirnoffoptions KTR_COMPILE=(KTR_ALL) 520a9672a81SJohn Baldwinoptions KTR_MASK=KTR_INTR 521d4a2ab8cSAttilio Raooptions KTR_CPUMASK=0x3 522d902baa4SJohn Baldwinoptions KTR_VERBOSE 523c508c1b6SJohn Baldwin 524c508c1b6SJohn Baldwin# 5251c9c6382SRuslan Ermilov# ALQ(9) is a facility for the asynchronous queuing of records from the kernel 526f7e95633SRuslan Ermilov# to a vnode, and is employed by services such as ktr(4) to produce trace 527453ffeefSRobert Watson# files based on a kernel event stream. Records are written asynchronously 528453ffeefSRobert Watson# in a worker thread. 529453ffeefSRobert Watson# 530453ffeefSRobert Watsonoptions ALQ 531453ffeefSRobert Watsonoptions KTR_ALQ 532453ffeefSRobert Watson 533453ffeefSRobert Watson# 5345526d2d9SEivind Eklund# The INVARIANTS option is used in a number of source files to enable 5356a8d6623SGarrett Wollman# extra sanity checking of internal structures. This support is not 5366a8d6623SGarrett Wollman# enabled by default because of the extra time it would take to check 5376a8d6623SGarrett Wollman# for these conditions, which can only occur as a result of 5386a8d6623SGarrett Wollman# programming errors. 5396a8d6623SGarrett Wollman# 5405526d2d9SEivind Eklundoptions INVARIANTS 5415526d2d9SEivind Eklund 5425526d2d9SEivind Eklund# 54334b15f2aSJohn Baldwin# The INVARIANT_SUPPORT option makes us compile in support for 54434b15f2aSJohn Baldwin# verifying some of the internal structures. It is a prerequisite for 54534b15f2aSJohn Baldwin# 'INVARIANTS', as enabling 'INVARIANTS' will make these functions be 54634b15f2aSJohn Baldwin# called. The intent is that you can set 'INVARIANTS' for single 54734b15f2aSJohn Baldwin# source files (by changing the source file or specifying it on the 54834b15f2aSJohn Baldwin# command line) if you have 'INVARIANT_SUPPORT' enabled. Also, if you 54934b15f2aSJohn Baldwin# wish to build a kernel module with 'INVARIANTS', then adding 55034b15f2aSJohn Baldwin# 'INVARIANT_SUPPORT' to your kernel will provide all the necessary 55134b15f2aSJohn Baldwin# infrastructure without the added overhead. 55234b15f2aSJohn Baldwin# 55334b15f2aSJohn Baldwinoptions INVARIANT_SUPPORT 55434b15f2aSJohn Baldwin 55534b15f2aSJohn Baldwin# 5564ca8c1efSConrad Meyer# The KASSERT_PANIC_OPTIONAL option allows kasserts to fire without 5574ca8c1efSConrad Meyer# necessarily inducing a panic. Panic is the default behavior, but 5584ca8c1efSConrad Meyer# runtime options can configure it either entirely off, or off with a 5594ca8c1efSConrad Meyer# limit. 5604ca8c1efSConrad Meyer# 5614ca8c1efSConrad Meyeroptions KASSERT_PANIC_OPTIONAL 5624ca8c1efSConrad Meyer 5634ca8c1efSConrad Meyer# 5645526d2d9SEivind Eklund# The DIAGNOSTIC option is used to enable extra debugging information 56594851f37SMark Johnston# and invariants checking. The added checks are too expensive or noisy 56694851f37SMark Johnston# for an INVARIANTS kernel and thus are disabled by default. It is 56794851f37SMark Johnston# expected that a kernel configured with DIAGNOSTIC will also have the 56894851f37SMark Johnston# INVARIANTS option enabled. 5695526d2d9SEivind Eklund# 5700dc7d907SPoul-Henning Kampoptions DIAGNOSTIC 571da59a31cSDavid Greenman 5720dd1eea1SJordan K. Hubbard# 5730b5438c6SRobert Watson# REGRESSION causes optional kernel interfaces necessary only for regression 5743c7c6c12SMike Pritchard# testing to be enabled. These interfaces may constitute security risks 5750b5438c6SRobert Watson# when enabled, as they permit processes to easily modify aspects of the 5760b5438c6SRobert Watson# run-time environment to reproduce unlikely or unusual (possibly normally 5770b5438c6SRobert Watson# impossible) scenarios. 5780b5438c6SRobert Watson# 5790b5438c6SRobert Watsonoptions REGRESSION 5800b5438c6SRobert Watson 5810b5438c6SRobert Watson# 5829c0ef6d5SOliver Fromme# This option lets some drivers co-exist that can't co-exist in a running 583346ebe51SEivind Eklund# system. This is used to be able to compile all kernel code in one go for 584346ebe51SEivind Eklund# quality assurance purposes (like this file, which the option takes it name 585346ebe51SEivind Eklund# from.) 586346ebe51SEivind Eklund# 587346ebe51SEivind Eklundoptions COMPILING_LINT 588346ebe51SEivind Eklund 5893c90d1eaSRobert Watson# 5903c90d1eaSRobert Watson# STACK enables the stack(9) facility, allowing the capture of kernel stack 5913c90d1eaSRobert Watson# for the purpose of procinfo(1), etc. stack(9) will also be compiled in 5923c90d1eaSRobert Watson# automatically if DDB(4) is compiled into the kernel. 5933c90d1eaSRobert Watson# 5943c90d1eaSRobert Watsonoptions STACK 5953c90d1eaSRobert Watson 596cc37baeaSStephen J. Kiernan# 597cc37baeaSStephen J. Kiernan# The NUM_CORE_FILES option specifies the limit for the number of core 598cc37baeaSStephen J. Kiernan# files generated by a particular process, when the core file format 599cc37baeaSStephen J. Kiernan# specifier includes the %I pattern. Since we only have 1 character for 600cc37baeaSStephen J. Kiernan# the core count in the format string, meaning the range will be 0-9, the 601cc37baeaSStephen J. Kiernan# maximum value allowed for this option is 10. 602cc37baeaSStephen J. Kiernan# This core file limit can be adjusted at runtime via the debug.ncores 603cc37baeaSStephen J. Kiernan# sysctl. 604cc37baeaSStephen J. Kiernan# 605cc37baeaSStephen J. Kiernanoptions NUM_CORE_FILES=5 606cc37baeaSStephen J. Kiernan 607ae3d6bfaSColin Percival# 608ae3d6bfaSColin Percival# The TSLOG option enables timestamped logging of events, especially 609ae3d6bfaSColin Percival# function entries/exits, in order to track the time spent by the kernel. 610ae3d6bfaSColin Percival# In particular, this is useful when investigating the early boot process, 611ae3d6bfaSColin Percival# before it is possible to use more sophisticated tools like DTrace. 612ae3d6bfaSColin Percival# The TSLOGSIZE option controls the size of the (preallocated, fixed 613ae3d6bfaSColin Percival# length) buffer used for storing these events (default: 262144 records). 614ae3d6bfaSColin Percival# 615ae3d6bfaSColin Percival# For security reasons the TSLOG option should not be enabled on systems 616ae3d6bfaSColin Percival# used in production. 617ae3d6bfaSColin Percival# 618ae3d6bfaSColin Percivaloptions TSLOG 619ae3d6bfaSColin Percivaloptions TSLOGSIZE=262144 620ae3d6bfaSColin Percival 6216a8d6623SGarrett Wollman 6226a8d6623SGarrett Wollman##################################################################### 623d47cce3eSMarcel Moolenaar# PERFORMANCE MONITORING OPTIONS 624d47cce3eSMarcel Moolenaar 625d47cce3eSMarcel Moolenaar# 626d47cce3eSMarcel Moolenaar# The hwpmc driver that allows the use of in-CPU performance monitoring 6279c0ef6d5SOliver Fromme# counters for performance monitoring. The base kernel needs to be configured 628d47cce3eSMarcel Moolenaar# with the 'options' line, while the hwpmc device can be either compiled 629d47cce3eSMarcel Moolenaar# in or loaded as a loadable kernel module. 630d47cce3eSMarcel Moolenaar# 631ad3869b4SJoseph Koshy# Additional configuration options may be required on specific architectures, 632ad3869b4SJoseph Koshy# please see hwpmc(4). 633ad3869b4SJoseph Koshy 634d47cce3eSMarcel Moolenaardevice hwpmc # Driver (also a loadable module) 635680f1afdSJohn Baldwinoptions HWPMC_DEBUG 636d47cce3eSMarcel Moolenaaroptions HWPMC_HOOKS # Other necessary kernel hooks 637d47cce3eSMarcel Moolenaar 638d47cce3eSMarcel Moolenaar 639d47cce3eSMarcel Moolenaar##################################################################### 6406a8d6623SGarrett Wollman# NETWORKING OPTIONS 64170c0b54cSAndrey A. Chernov 6426a8d6623SGarrett Wollman# 643a22fb0daSGeorge V. Neville-Neil# Protocol families 6446a8d6623SGarrett Wollman# 6456a8d6623SGarrett Wollmanoptions INET #Internet communications protocols 64651f4c152SYoshinobu Inoueoptions INET6 #IPv6 communications protocols 647a22fb0daSGeorge V. Neville-Neil 648f3e7afe2SHans Petter Selaskyoptions RATELIMIT # TX rate limiting support 649f3e7afe2SHans Petter Selasky 6504871fc4aSJulian Elischeroptions ROUTETABLES=2 # allocated fibs up to 65536. default is 1. 6514871fc4aSJulian Elischer # but that would be a bad idea as they are large. 6528b07e49aSJulian Elischer 65309fe6320SNavdeep Parharoptions TCP_OFFLOAD # TCP offload support. 654cca72379SWarner Loshoptions TCP_RFC7413 # TCP Fast Open 65509fe6320SNavdeep Parhar 65646033610SMatt Macyoptions TCPHPTS 65746033610SMatt Macy 658a22fb0daSGeorge V. Neville-Neil# In order to enable IPSEC you MUST also add device crypto to 659a22fb0daSGeorge V. Neville-Neil# your kernel configuration 660a22fb0daSGeorge V. Neville-Neiloptions IPSEC #IP security (requires device crypto) 661fcf59617SAndrey V. Elsukov 662fcf59617SAndrey V. Elsukov# Option IPSEC_SUPPORT does not enable IPsec, but makes it possible to 663fcf59617SAndrey V. Elsukov# load it as a kernel module. You still MUST add device crypto to your kernel 664fcf59617SAndrey V. Elsukov# configuration. 665fcf59617SAndrey V. Elsukovoptions IPSEC_SUPPORT 6662cb64cb2SGeorge V. Neville-Neil#options IPSEC_DEBUG #debug for IP security 667f73bbaf2SDavid Greenman 668b2e60773SJohn Baldwin 669b2e60773SJohn Baldwin# TLS framing and encryption of data transmitted over TCP sockets. 670b2e60773SJohn Baldwinoptions KERN_TLS # TLS transmit offload 671b2e60773SJohn Baldwin 672237abf0cSDavide Italiano# 673237abf0cSDavide Italiano# SMB/CIFS requester 674237abf0cSDavide Italiano# NETSMB enables support for SMB protocol, it requires LIBMCHAIN and LIBICONV 675237abf0cSDavide Italiano# options. 676237abf0cSDavide Italianooptions NETSMB #SMB/CIFS requester 677237abf0cSDavide Italiano 678d8589bd5SBoris Popov# mchain library. It can be either loaded as KLD or compiled into kernel 679d8589bd5SBoris Popovoptions LIBMCHAIN 680d8589bd5SBoris Popov 6816cd047a0SGleb Smirnoff# libalias library, performing NAT 6826cd047a0SGleb Smirnoffoptions LIBALIAS 6836cd047a0SGleb Smirnoff 684f8829a4aSRandall Stewart# 685f8829a4aSRandall Stewart# SCTP is a NEW transport protocol defined by 686f8829a4aSRandall Stewart# RFC2960 updated by RFC3309 and RFC3758.. and 687f8829a4aSRandall Stewart# soon to have a new base RFC and many many more 688f8829a4aSRandall Stewart# extensions. This release supports all the extensions 689f8829a4aSRandall Stewart# including many drafts (most about to become RFC's). 6909c0ef6d5SOliver Fromme# It is the reference implementation of SCTP 691f8829a4aSRandall Stewart# and is quite well tested. 692f8829a4aSRandall Stewart# 693f8829a4aSRandall Stewart# Note YOU MUST have both INET and INET6 defined. 6949c0ef6d5SOliver Fromme# You don't have to enable V6, but SCTP is 6959c0ef6d5SOliver Fromme# dual stacked and so far we have not torn apart 696f8829a4aSRandall Stewart# the V6 and V4.. since an association can span 697f8829a4aSRandall Stewart# both a V6 and V4 address at the SAME time :-) 698f8829a4aSRandall Stewart# 69995033af9SMark Johnston# The SCTP_SUPPORT option does not enable SCTP, but provides the necessary 70095033af9SMark Johnston# support for loading SCTP as a loadable kernel module. 70195033af9SMark Johnston# 702f8829a4aSRandall Stewartoptions SCTP 70395033af9SMark Johnstonoptions SCTP_SUPPORT 70495033af9SMark Johnston 705f8829a4aSRandall Stewart# There are bunches of options: 706f8829a4aSRandall Stewart# this one turns on all sorts of 707d51e8487SJosh Paetzel# nastily printing that you can 7089c0ef6d5SOliver Fromme# do. It's all controlled by a 709f8829a4aSRandall Stewart# bit mask (settable by socket opt and 710f8829a4aSRandall Stewart# by sysctl). Including will not cause 711f8829a4aSRandall Stewart# logging until you set the bits.. but it 712f8829a4aSRandall Stewart# can be quite verbose.. so without this 713f8829a4aSRandall Stewart# option we don't do any of the tests for 714f8829a4aSRandall Stewart# bits and prints.. which makes the code run 715f8829a4aSRandall Stewart# faster.. if you are not debugging don't use. 716f8829a4aSRandall Stewartoptions SCTP_DEBUG 71795033af9SMark Johnston 718f8829a4aSRandall Stewart# 719f8829a4aSRandall Stewart# All that options after that turn on specific types of 720f8829a4aSRandall Stewart# logging. You can monitor CWND growth, flight size 721f8829a4aSRandall Stewart# and all sorts of things. Go look at the code and 722f8829a4aSRandall Stewart# see. I have used this to produce interesting 723f8829a4aSRandall Stewart# charts and graphs as well :-> 724f8829a4aSRandall Stewart# 7259c0ef6d5SOliver Fromme# I have not yet committed the tools to get and print 726f8829a4aSRandall Stewart# the logs, I will do that eventually .. before then 727f8829a4aSRandall Stewart# if you want them send me an email rrs@freebsd.org 728f7e95633SRuslan Ermilov# You basically must have ktr(4) enabled for these 729cb7a4976SRandall Stewart# and you then set the sysctl to turn on/off various 730f7e95633SRuslan Ermilov# logging bits. Use ktrdump(8) to pull the log and run 7319c0ef6d5SOliver Fromme# it through a display program.. and graphs and other 732cb7a4976SRandall Stewart# things too. 733f8829a4aSRandall Stewart# 734f8829a4aSRandall Stewartoptions SCTP_LOCK_LOGGING 735f8829a4aSRandall Stewartoptions SCTP_MBUF_LOGGING 736cb7a4976SRandall Stewartoptions SCTP_MBCNT_LOGGING 737cb7a4976SRandall Stewartoptions SCTP_PACKET_LOGGING 738cb7a4976SRandall Stewartoptions SCTP_LTRACE_CHUNKS 739cb7a4976SRandall Stewartoptions SCTP_LTRACE_ERRORS 740cb7a4976SRandall Stewart 74102b199f1SMax Laier# altq(9). Enable the base part of the hooks with the ALTQ option. 74202b199f1SMax Laier# Individual disciplines must be built into the base system and can not be 743cceffdeeSAndrew Thompson# loaded as modules at this point. ALTQ requires a stable TSC so if yours is 744cceffdeeSAndrew Thompson# broken or changes with CPU throttling then you must also have the ALTQ_NOPCC 745cceffdeeSAndrew Thompson# option. 74602b199f1SMax Laieroptions ALTQ 747755911cdSGreg Leheyoptions ALTQ_CBQ # Class Based Queueing 748c7219167SMax Laieroptions ALTQ_RED # Random Early Detection 74902b199f1SMax Laieroptions ALTQ_RIO # RED In/Out 750a13bfb09SLuiz Otavio O Souzaoptions ALTQ_CODEL # CoDel Active Queueing 75102b199f1SMax Laieroptions ALTQ_HFSC # Hierarchical Packet Scheduler 752a5b789f6SErmal Luçioptions ALTQ_FAIRQ # Fair Packet Scheduler 75302b199f1SMax Laieroptions ALTQ_CDNR # Traffic conditioner 7543c7c6c12SMike Pritchardoptions ALTQ_PRIQ # Priority Queueing 755cceffdeeSAndrew Thompsonoptions ALTQ_NOPCC # Required if the TSC is unusable 75602b199f1SMax Laieroptions ALTQ_DEBUG 75702b199f1SMax Laier 7584cf49a43SJulian Elischer# netgraph(4). Enable the base netgraph code with the NETGRAPH option. 7594cf49a43SJulian Elischer# Individual node types can be enabled with the corresponding option 7604cf49a43SJulian Elischer# listed below; however, this is not strictly necessary as netgraph 7614cf49a43SJulian Elischer# will automatically load the corresponding KLD module if the node type 76292a3e552SArchie Cobbs# is not already compiled into the kernel. Each type below has a 76392a3e552SArchie Cobbs# corresponding man page, e.g., ng_async(8). 7644cf49a43SJulian Elischeroptions NETGRAPH # netgraph(4) system 76573e87266SGleb Smirnoffoptions NETGRAPH_DEBUG # enable extra debugging, this 76673e87266SGleb Smirnoff # affects netgraph(4) and nodes 76773e87266SGleb Smirnoff# Node types 7684cf49a43SJulian Elischeroptions NETGRAPH_ASYNC 769bde778e9SBenno Riceoptions NETGRAPH_ATMLLC 770b84b10f9SMaksim Yevmenkinoptions NETGRAPH_ATM_ATMPIF 771b84b10f9SMaksim Yevmenkinoptions NETGRAPH_BLUETOOTH # ng_bluetooth(4) 772b84b10f9SMaksim Yevmenkinoptions NETGRAPH_BLUETOOTH_BT3C # ng_bt3c(4) 773b84b10f9SMaksim Yevmenkinoptions NETGRAPH_BLUETOOTH_HCI # ng_hci(4) 774b84b10f9SMaksim Yevmenkinoptions NETGRAPH_BLUETOOTH_L2CAP # ng_l2cap(4) 775b84b10f9SMaksim Yevmenkinoptions NETGRAPH_BLUETOOTH_SOCKET # ng_btsocket(4) 776b84b10f9SMaksim Yevmenkinoptions NETGRAPH_BLUETOOTH_UBT # ng_ubt(4) 777b84b10f9SMaksim Yevmenkinoptions NETGRAPH_BLUETOOTH_UBTBCMFW # ubtbcmfw(4) 77892a3e552SArchie Cobbsoptions NETGRAPH_BPF 779901fadf7SArchie Cobbsoptions NETGRAPH_BRIDGE 7807d3b4a08SAlexander Motinoptions NETGRAPH_CAR 781b9e0c8c2SMaxim Sobolevoptions NETGRAPH_CHECKSUM 7824cf49a43SJulian Elischeroptions NETGRAPH_CISCO 7839e6f1d3bSGleb Smirnoffoptions NETGRAPH_DEFLATE 78431578ac8SGleb Smirnoffoptions NETGRAPH_DEVICE 7854cf49a43SJulian Elischeroptions NETGRAPH_ECHO 7869d564133SRobert Watsonoptions NETGRAPH_EIFACE 78746aa8b9bSArchie Cobbsoptions NETGRAPH_ETHER 7884cf49a43SJulian Elischeroptions NETGRAPH_FRAME_RELAY 78937379158SBrooks Davisoptions NETGRAPH_GIF 79037379158SBrooks Davisoptions NETGRAPH_GIF_DEMUX 7914cf49a43SJulian Elischeroptions NETGRAPH_HOLE 7924cf49a43SJulian Elischeroptions NETGRAPH_IFACE 79337379158SBrooks Davisoptions NETGRAPH_IP_INPUT 794f2a7ef4eSGleb Smirnoffoptions NETGRAPH_IPFW 79548e94174SArchie Cobbsoptions NETGRAPH_KSOCKET 796901fadf7SArchie Cobbsoptions NETGRAPH_L2TP 7974cf49a43SJulian Elischeroptions NETGRAPH_LMI 798ec5753e0SPedro F. Giffunioptions NETGRAPH_MPPC_COMPRESSION 799a2b408adSArchie Cobbsoptions NETGRAPH_MPPC_ENCRYPTION 800cec50deaSGleb Smirnoffoptions NETGRAPH_NETFLOW 8016cd047a0SGleb Smirnoffoptions NETGRAPH_NAT 8027d7a5b89SArchie Cobbsoptions NETGRAPH_ONE2MANY 803d05181f9SAndrey V. Elsukovoptions NETGRAPH_PATCH 804991633afSMarko Zecoptions NETGRAPH_PIPE 805b0801bacSArchie Cobbsoptions NETGRAPH_PPP 806b0801bacSArchie Cobbsoptions NETGRAPH_PPPOE 807add85a1dSArchie Cobbsoptions NETGRAPH_PPTPGRE 8089e6f1d3bSGleb Smirnoffoptions NETGRAPH_PRED1 8094cf49a43SJulian Elischeroptions NETGRAPH_RFC1490 810b0801bacSArchie Cobbsoptions NETGRAPH_SOCKET 8114d60fee2SBrooks Davisoptions NETGRAPH_SPLIT 8120a6818e2SRoman Kurakinoptions NETGRAPH_SPPP 813d473c9d5SGleb Smirnoffoptions NETGRAPH_TAG 814e9110049SGleb Smirnoffoptions NETGRAPH_TCPMSS 8154cf49a43SJulian Elischeroptions NETGRAPH_TEE 8164cf49a43SJulian Elischeroptions NETGRAPH_UI 817b58a8a3bSJulian Elischeroptions NETGRAPH_VJC 818b4263060SRuslan Ermilovoptions NETGRAPH_VLAN 819666ea1b6SMaksim Yevmenkin 82002152e8fSHartmut Brandt# NgATM - Netgraph ATM 82102152e8fSHartmut Brandtoptions NGATM_ATM 822027ebd2fSHartmut Brandtoptions NGATM_ATMBASE 823027ebd2fSHartmut Brandtoptions NGATM_SSCOP 824027ebd2fSHartmut Brandtoptions NGATM_SSCFU 825ed91f9a5SHartmut Brandtoptions NGATM_UNI 826a7e22394SHartmut Brandtoptions NGATM_CCATM 82702152e8fSHartmut Brandt 828c9953c3bSPeter Wemmdevice mn # Munich32x/Falc54 Nx64kbit/sec cards. 8293cf4d0bfSPoul-Henning Kamp 8300990ef0aSKevin Lo# Network stack virtualization. 8318e94025bSBjoern A. Zeeboptions VIMAGE 8328e94025bSBjoern A. Zeeboptions VNET_DEBUG # debug for VIMAGE 8330990ef0aSKevin Lo 8346a8d6623SGarrett Wollman# 8356a8d6623SGarrett Wollman# Network interfaces: 836f71c01ccSPeter Wemm# The `loop' device is MANDATORY when networking is enabled. 83736782d14SWojciech A. Koszekdevice loop 83836782d14SWojciech A. Koszek 839f71c01ccSPeter Wemm# The `ether' device provides generic code to handle 8409d5abbddSJens Schweikhardt# Ethernets; it is MANDATORY when an Ethernet device driver is 84169f0fecbSBrooks Davis# configured. 84236782d14SWojciech A. Koszekdevice ether 84336782d14SWojciech A. Koszek 844fc67901fSYaroslav Tykhiy# The `vlan' device implements the VLAN tagging of Ethernet frames 8459d9ab10eSAntoine Brodin# according to IEEE 802.1Q. 84636782d14SWojciech A. Koszekdevice vlan 84736782d14SWojciech A. Koszek 848007054f0SBryan Venteicher# The `vxlan' device implements the VXLAN encapsulation of Ethernet 849007054f0SBryan Venteicher# frames in UDP packets according to RFC7348. 850007054f0SBryan Venteicherdevice vxlan 851007054f0SBryan Venteicher 85257a42501SGarrett Wollman# The `wlan' device provides generic code to support 802.11 85367e4db77SSam Leffler# drivers, including host AP mode; it is MANDATORY for the wi, 854f4463607SSam Leffler# and ath drivers and will eventually be required by all 802.11 drivers. 85536782d14SWojciech A. Koszekdevice wlan 85636782d14SWojciech A. Koszekoptions IEEE80211_DEBUG #enable debugging msgs 85759aa14a9SRui Paulooptions IEEE80211_SUPPORT_MESH #enable 802.11s D3.0 support 85859aa14a9SRui Paulooptions IEEE80211_SUPPORT_TDMA #enable TDMA support 85936782d14SWojciech A. Koszek 86067e4db77SSam Leffler# The `wlan_wep', `wlan_tkip', and `wlan_ccmp' devices provide 86167e4db77SSam Leffler# support for WEP, TKIP, and AES-CCMP crypto protocols optionally 86267e4db77SSam Leffler# used with 802.11 devices that depend on the `wlan' module. 86336782d14SWojciech A. Koszekdevice wlan_wep 86436782d14SWojciech A. Koszekdevice wlan_ccmp 86536782d14SWojciech A. Koszekdevice wlan_tkip 86636782d14SWojciech A. Koszek 86767e4db77SSam Leffler# The `wlan_xauth' device provides support for external (i.e. user-mode) 86867e4db77SSam Leffler# authenticators for use with 802.11 drivers that use the `wlan' 86934341a71SJohn Baldwin# module and support 802.1x and/or WPA security protocols. 87036782d14SWojciech A. Koszekdevice wlan_xauth 87136782d14SWojciech A. Koszek 87267e4db77SSam Leffler# The `wlan_acl' device provides a MAC-based access control mechanism 87367e4db77SSam Leffler# for use with 802.11 drivers operating in ap mode and using the 87467e4db77SSam Leffler# `wlan' module. 87536782d14SWojciech A. Koszek# The 'wlan_amrr' device provides AMRR transmit rate control algorithm 87636782d14SWojciech A. Koszekdevice wlan_acl 87736782d14SWojciech A. Koszekdevice wlan_amrr 87836782d14SWojciech A. Koszek 879f71c01ccSPeter Wemm# The `sppp' device serves a similar role for certain types 880e7c234a1SPeter Wemm# of synchronous PPP links (like `cx', `ar'). 88136782d14SWojciech A. Koszekdevice sppp 88236782d14SWojciech A. Koszek 883f71c01ccSPeter Wemm# The `bpf' device enables the Berkeley Packet Filter. Be 884d29895dcSGarrett Wollman# aware of the legal and administrative consequences of enabling this 8859c0ef6d5SOliver Fromme# option. DHCP requires bpf. 88636782d14SWojciech A. Koszekdevice bpf 88736782d14SWojciech A. Koszek 888e4b68814SLuigi Rizzo# The `netmap' device implements memory-mapped access to network 889e4b68814SLuigi Rizzo# devices from userspace, enabling wire-speed packet capture and 890e4b68814SLuigi Rizzo# generation even at 10Gbit/s. Requires support in the device 891e4b68814SLuigi Rizzo# driver. Supported drivers are ixgbe, e1000, re. 892e4b68814SLuigi Rizzodevice netmap 893e4b68814SLuigi Rizzo 894f71c01ccSPeter Wemm# The `disc' device implements a minimal network interface, 89559d8d13fSGarrett Wollman# which throws away all packets sent and never receives any. It is 89670e04181SYaroslav Tykhiy# included for testing and benchmarking purposes. 89736782d14SWojciech A. Koszekdevice disc 89836782d14SWojciech A. Koszek 899d0ea4743SBjoern A. Zeeb# The `epair' device implements a virtual back-to-back connected Ethernet 900d0ea4743SBjoern A. Zeeb# like interface pair. 901d0ea4743SBjoern A. Zeebdevice epair 902d0ea4743SBjoern A. Zeeb 90363518eccSYaroslav Tykhiy# The `edsc' device implements a minimal Ethernet interface, 90463518eccSYaroslav Tykhiy# which discards all packets sent and receives none. 90536782d14SWojciech A. Koszekdevice edsc 90636782d14SWojciech A. Koszek 907251a32b5SKyle Evans# The `tuntap' device implements (user-)ppp, nos-tun(8) and a pty-like virtual 908251a32b5SKyle Evans# Ethernet interface 909251a32b5SKyle Evansdevice tuntap 91036782d14SWojciech A. Koszek 911f71c01ccSPeter Wemm# The `gif' device implements IPv6 over IP4 tunneling, 912cfa1ca9dSYoshinobu Inoue# IPv4 over IPv6 tunneling, IPv4 over IPv4 tunneling and 913cfa1ca9dSYoshinobu Inoue# IPv6 over IPv6 tunneling. 914f325335cSAndrey V. Elsukov# The `gre' device implements GRE (Generic Routing Encapsulation) tunneling, 915f325335cSAndrey V. Elsukov# as specified in the RFC 2784 and RFC 2890. 916f325335cSAndrey V. Elsukov# The `me' device implements Minimal Encapsulation within IPv4 as 917f325335cSAndrey V. Elsukov# specified in the RFC 2004. 918f57fc21cSJeroen Ruigrok van der Werven# The XBONEHACK option allows the same pair of addresses to be configured on 919f57fc21cSJeroen Ruigrok van der Werven# multiple gif interfaces. 92036782d14SWojciech A. Koszekdevice gif 92136782d14SWojciech A. Koszekdevice gre 922f325335cSAndrey V. Elsukovdevice me 92336782d14SWojciech A. Koszekoptions XBONEHACK 92436782d14SWojciech A. Koszek 925d5015639SMunechika SUMIKAWA# The `stf' device implements 6to4 encapsulation. 92636782d14SWojciech A. Koszekdevice stf 92736782d14SWojciech A. Koszek 9288d69c48bSMax Laier# The pf packet filter consists of three devices: 9298d69c48bSMax Laier# The `pf' device provides /dev/pf and the firewall code itself. 9308d69c48bSMax Laier# The `pflog' device provides the pflog0 interface which logs packets. 9318d69c48bSMax Laier# The `pfsync' device provides the pfsync0 interface used for 9328d69c48bSMax Laier# synchronization of firewall state tables (over the net). 93336782d14SWojciech A. Koszekdevice pf 93436782d14SWojciech A. Koszekdevice pflog 93536782d14SWojciech A. Koszekdevice pfsync 93636782d14SWojciech A. Koszek 93736782d14SWojciech A. Koszek# Bridge interface. 93836782d14SWojciech A. Koszekdevice if_bridge 93936782d14SWojciech A. Koszek 94036782d14SWojciech A. Koszek# Common Address Redundancy Protocol. See carp(4) for more details. 94136782d14SWojciech A. Koszekdevice carp 94236782d14SWojciech A. Koszek 94336782d14SWojciech A. Koszek# IPsec interface. 94436782d14SWojciech A. Koszekdevice enc 94536782d14SWojciech A. Koszek 94636782d14SWojciech A. Koszek# Link aggregation interface. 94736782d14SWojciech A. Koszekdevice lagg 94836782d14SWojciech A. Koszek 9498d69c48bSMax Laier# 9506a8d6623SGarrett Wollman# Internet family options: 9516a8d6623SGarrett Wollman# 9526a8d6623SGarrett Wollman# MROUTING enables the kernel multicast packet forwarder, which works 9530948f0a2SBruce M Simpson# with mrouted and XORP. 954e0f688baSJeffrey Hsu# 955d29895dcSGarrett Wollman# IPFIREWALL enables support for IP firewall construction, in 956ff6f025aSAlexander Langer# conjunction with the `ipfw' program. IPFIREWALL_VERBOSE sends 957ff6f025aSAlexander Langer# logged packets to the system logger. IPFIREWALL_VERBOSE_LIMIT 958ff6f025aSAlexander Langer# limits the number of times a matching entry can be logged. 959ab6e02daSJordan K. Hubbard# 960ab6e02daSJordan K. Hubbard# WARNING: IPFIREWALL defaults to a policy of "deny ip from any to any" 961ab6e02daSJordan K. Hubbard# and if you do not add other rules during startup to allow access, 962a236d14cSJordan K. Hubbard# YOU WILL LOCK YOURSELF OUT. It is suggested that you set firewall_type=open 963ab6e02daSJordan K. Hubbard# in /etc/rc.conf when first enabling this feature, then refining the 964ab6e02daSJordan K. Hubbard# firewall rules in /etc/rc.firewall after you've tested that the new kernel 965ab6e02daSJordan K. Hubbard# feature works properly. 9668dd4744eSJordan K. Hubbard# 967ffdd472dSPeter Wemm# IPFIREWALL_DEFAULT_TO_ACCEPT causes the default rule (at boot) to 968ffdd472dSPeter Wemm# allow everything. Use with care, if a cracker can crash your 969ffdd472dSPeter Wemm# firewall machine, they can get to your protected machines. However, 970ffdd472dSPeter Wemm# if you are using it as an as-needed filter for specific problems as 971ffdd472dSPeter Wemm# they arise, then this may be for you. Changing the default to 'allow' 972ffdd472dSPeter Wemm# means that you won't get stuck if the kernel and /sbin/ipfw binary get 973ffdd472dSPeter Wemm# out of sync. 974d29895dcSGarrett Wollman# 97584bb6a2eSAndre Oppermann# IPDIVERT enables the divert IP sockets, used by ``ipfw divert''. It 97684bb6a2eSAndre Oppermann# depends on IPFIREWALL if compiled into the kernel. 97793e0e116SJulian Elischer# 97861c0e134SPaolo Pisati# IPFIREWALL_NAT adds support for in kernel nat in ipfw, and it requires 979531c890bSPaolo Pisati# LIBALIAS. 98061c0e134SPaolo Pisati# 981d8caf56eSAndrey V. Elsukov# IPFIREWALL_NAT64 adds support for in kernel NAT64 in ipfw. 982d8caf56eSAndrey V. Elsukov# 983b867e84eSAndrey V. Elsukov# IPFIREWALL_NPTV6 adds support for in kernel NPTv6 in ipfw. 984b867e84eSAndrey V. Elsukov# 985aac74aeaSAndrey V. Elsukov# IPFIREWALL_PMOD adds support for protocols modification module. Currently 986aac74aeaSAndrey V. Elsukov# it supports only TCP MSS modification. 987aac74aeaSAndrey V. Elsukov# 9881b968362SDag-Erling Smørgrav# IPSTEALTH enables code to support stealth forwarding (i.e., forwarding 9891c9c6382SRuslan Ermilov# packets without touching the TTL). This can be useful to hide firewalls 9901b968362SDag-Erling Smørgrav# from traceroute and similar tools. 9911b968362SDag-Erling Smørgrav# 9927f7ef494SGleb Smirnoff# PF_DEFAULT_TO_DROP causes the default pf(4) rule to deny everything. 9937f7ef494SGleb Smirnoff# 9945e331acdSGarrett Wollman# TCPDEBUG enables code which keeps traces of the TCP state machine 9955e331acdSGarrett Wollman# for sockets with the SO_DEBUG option set, which can then be examined 9965e331acdSGarrett Wollman# using the trpt(8) utility. 99765e8111fSBruce Evans# 99886a996e6SHiren Panchasara# TCPPCAP enables code which keeps the last n packets sent and received 99986a996e6SHiren Panchasara# on a TCP socket. 100086a996e6SHiren Panchasara# 1001e24e5683SJonathan T. Looney# TCP_BLACKBOX enables enhanced TCP event logging. 1002e24e5683SJonathan T. Looney# 1003bd79708dSJonathan T. Looney# TCP_HHOOK enables the hhook(9) framework hooks for the TCP stack. 1004bd79708dSJonathan T. Looney# 100565e4e499SGleb Smirnoff# RADIX_MPATH provides support for equal-cost multi-path routing. 10069731596aSGleb Smirnoff# 1007e3178a06SJordan K. Hubbardoptions MROUTING # Multicast routing 1008d29895dcSGarrett Wollmanoptions IPFIREWALL #firewall 10094479e72cSCrist J. Clarkoptions IPFIREWALL_VERBOSE #enable logging to syslogd(8) 10105895e3c8SPeter Wemmoptions IPFIREWALL_VERBOSE_LIMIT=100 #limit verbosity 1011e43a9900SAlexander Langeroptions IPFIREWALL_DEFAULT_TO_ACCEPT #allow everything by default 101261c0e134SPaolo Pisatioptions IPFIREWALL_NAT #ipfw kernel nat support 1013d8caf56eSAndrey V. Elsukovoptions IPFIREWALL_NAT64 #ipfw kernel NAT64 support 1014b867e84eSAndrey V. Elsukovoptions IPFIREWALL_NPTV6 #ipfw kernel IPv6 NPT support 101593e0e116SJulian Elischeroptions IPDIVERT #divert sockets 10169cc86ee9SGuido van Rooijoptions IPFILTER #ipfilter support 10179cc86ee9SGuido van Rooijoptions IPFILTER_LOG #ipfilter logging 10180c3757dfSDarren Reedoptions IPFILTER_LOOKUP #ipfilter pools 10198259bcdfSJeroen Ruigrok van der Wervenoptions IPFILTER_DEFAULT_BLOCK #block all packets by default 10201b968362SDag-Erling Smørgravoptions IPSTEALTH #support for stealth forwarding 10217f7ef494SGleb Smirnoffoptions PF_DEFAULT_TO_DROP #drop everything by default 102265e8111fSBruce Evansoptions TCPDEBUG 102386a996e6SHiren Panchasaraoptions TCPPCAP 1024e24e5683SJonathan T. Looneyoptions TCP_BLACKBOX 1025bd79708dSJonathan T. Looneyoptions TCP_HHOOK 10269731596aSGleb Smirnoffoptions RADIX_MPATH 10276a8d6623SGarrett Wollman 102853dcc544SMike Silbersack# The MBUF_STRESS_TEST option enables options which create 102953dcc544SMike Silbersack# various random failures / extreme cases related to mbuf 1030f8f8803bSBruce Evans# functions. See mbuf(9) for a list of available test cases. 10314e77d255SJulian Elischer# MBUF_PROFILING enables code to profile the mbuf chains 10326eeac1d9SJulian Elischer# exiting the system (via participating interfaces) and 10336eeac1d9SJulian Elischer# return a logarithmic histogram of monitored parameters 10346eeac1d9SJulian Elischer# (e.g. packet size, wasted space, number of mbufs in chain). 103553dcc544SMike Silbersackoptions MBUF_STRESS_TEST 10366eeac1d9SJulian Elischeroptions MBUF_PROFILING 10374a5ccac7SMike Silbersack 10389c0ef6d5SOliver Fromme# Statically link in accept filters 1039a79b7128SAlfred Perlsteinoptions ACCEPT_FILTER_DATA 1040744eaff7SDavid Maloneoptions ACCEPT_FILTER_DNS 1041a79b7128SAlfred Perlsteinoptions ACCEPT_FILTER_HTTP 1042a79b7128SAlfred Perlstein 1043b52f8407SBruce M Simpson# TCP_SIGNATURE adds support for RFC 2385 (TCP-MD5) digests. These are 1044b52f8407SBruce M Simpson# carried in TCP option 19. This option is commonly used to protect 1045b52f8407SBruce M Simpson# TCP sessions (e.g. BGP) where IPSEC is not available nor desirable. 1046b52f8407SBruce M Simpson# This is enabled on a per-socket basis using the TCP_MD5SIG socket option. 1047fcf59617SAndrey V. Elsukov# This requires the use of 'device crypto' and either 'options IPSEC' or 1048fcf59617SAndrey V. Elsukov# 'options IPSEC_SUPPORT'. 10495164136dSBjoern A. Zeeboptions TCP_SIGNATURE #include support for RFC 2385 1050b52f8407SBruce M Simpson 1051f8f8803bSBruce Evans# DUMMYNET enables the "dummynet" bandwidth limiter. You need IPFIREWALL 1052f8f8803bSBruce Evans# as well. See dummynet(4) and ipfw(8) for more info. When you run 1053358f8d82SRobert Watson# DUMMYNET it is advisable to also have at least "options HZ=1000" to achieve 1054358f8d82SRobert Watson# a smooth scheduling of the traffic. 105568ec4eb6SLuigi Rizzooptions DUMMYNET 105668e9d934SLuigi Rizzo 1057dda17b36SConrad Meyer# The DEBUGNET option enables a basic debug/panic-time networking API. It 1058dda17b36SConrad Meyer# is used by NETDUMP and NETGDB. 1059dda17b36SConrad Meyeroptions DEBUGNET 1060dda17b36SConrad Meyer 1061e5054602SMark Johnston# The NETDUMP option enables netdump(4) client support in the kernel. 1062e5054602SMark Johnston# This allows a panicking kernel to transmit a kernel dump to a remote host. 1063e5054602SMark Johnstonoptions NETDUMP 1064e5054602SMark Johnston 1065dda17b36SConrad Meyer# The NETGDB option enables netgdb(4) support in the kernel. This allows a 1066dda17b36SConrad Meyer# panicking kernel to be debugged as a GDB remote over the network. 1067dda17b36SConrad Meyeroptions NETGDB 10687790c8c1SConrad Meyer 10696a8d6623SGarrett Wollman##################################################################### 10706a8d6623SGarrett Wollman# FILESYSTEM OPTIONS 1071e3178a06SJordan K. Hubbard 10722365e64fSRodney W. Grimes# 10733f850e6aSKonstantin Belousov# Only the root filesystem needs to be statically compiled or preloaded 10743f850e6aSKonstantin Belousov# as module; everything else will be automatically loaded at mount 10753f850e6aSKonstantin Belousov# time. Some people still prefer to statically compile other 10763f850e6aSKonstantin Belousov# filesystems as well. 10776a8d6623SGarrett Wollman# 107855793cdcSAttilio Rao# NB: The UNION filesystem was known to be buggy in the past. It is now 1079534046e3SRong-En Fan# being actively maintained, although there are still some issues being 1080534046e3SRong-En Fan# resolved. 10812365e64fSRodney W. Grimes# 1082f1a9c715SDavid Greenman 10836a8d6623SGarrett Wollman# One of these is mandatory: 10846a8d6623SGarrett Wollmanoptions FFS #Fast filesystem 1085c15882f0SRick Macklemoptions NFSCL #Network File System client 10866a8d6623SGarrett Wollman 10876a8d6623SGarrett Wollman# The rest are optional: 10883914ddf8SEdward Tomasz Napieralaoptions AUTOFS #Automounter filesystem 10895895e3c8SPeter Wemmoptions CD9660 #ISO 9660 filesystem 109099d300a1SRuslan Ermilovoptions FDESCFS #File descriptor filesystem 1091123af6ecSAlan Somersoptions FUSEFS #FUSEFS support module 1092dba11ce5SAlexander Langeroptions MSDOSFS #MS DOS File System (FAT, FAT32) 1093dfdcada3SDoug Rabsonoptions NFSLOCKD #Network Lock Manager 10943e32dff5SJohn Baldwinoptions NFSD #Network Filesystem Server 10959c0ef6d5SOliver Frommeoptions KGSSAPI #Kernel GSSAPI implementation 10961bea7c61SMaxim Sobolev 1097f1a9c715SDavid Greenmanoptions NULLFS #NULL filesystem 10984d2647f9SDag-Erling Smørgravoptions PROCFS #Process filesystem (requires PSEUDOFS) 109952ebde4fSDag-Erling Smørgravoptions PSEUDOFS #Pseudo-filesystem framework 1100bcc1205cSDag-Erling Smørgravoptions PSEUDOFS_TRACE #Debugging support for PSEUDOFS 1101237abf0cSDavide Italianooptions SMBFS #SMB/CIFS filesystem 110278920d0fSKevin Looptions TMPFS #Efficient memory filesystem 1103df263cbdSScott Longoptions UDF #Universal Disk Format 110499d300a1SRuslan Ermilovoptions UNIONFS #Union filesystem 1105bcf77694SPeter Wemm# The xFS_ROOT options REQUIRE the associated ``options xFS'' 1106bcf77694SPeter Wemmoptions NFS_ROOT #NFS usable as root device 1107f1a9c715SDavid Greenman 1108d0a28bafSAlexander Langer# Soft updates is a technique for improving filesystem speed and 1109d61e6649SAlexander Langer# making abrupt shutdown less risky. 1110f8f8d7afSEivind Eklund# 11113d5c4fdcSPoul-Henning Kampoptions SOFTUPDATES 1112b1897c19SJulian Elischer 1113a64ed089SRobert Watson# Extended attributes allow additional data to be associated with files, 111451be6918SChris D. Faulhaber# and is used for ACLs, Capabilities, and MAC labels. 111551be6918SChris D. Faulhaber# See src/sys/ufs/ufs/README.extattr for more information. 111649993db0SRobert Watsonoptions UFS_EXTATTR 111749993db0SRobert Watsonoptions UFS_EXTATTR_AUTOSTART 1118a64ed089SRobert Watson 111951be6918SChris D. Faulhaber# Access Control List support for UFS filesystems. The current ACL 112051be6918SChris D. Faulhaber# implementation requires extended attribute support, UFS_EXTATTR, 112151be6918SChris D. Faulhaber# for the underlying filesystem. 112251be6918SChris D. Faulhaber# See src/sys/ufs/ufs/README.acls for more information. 112351be6918SChris D. Faulhaberoptions UFS_ACL 112451be6918SChris D. Faulhaber 11259b5ad47fSIan Dowse# Directory hashing improves the speed of operations on very large 11269b5ad47fSIan Dowse# directories at the expense of some memory. 11279b5ad47fSIan Dowseoptions UFS_DIRHASH 11289b5ad47fSIan Dowse 1129f348204cSPawel Jakub Dawidek# Gjournal-based UFS journaling support. 1130f348204cSPawel Jakub Dawidekoptions UFS_GJOURNAL 1131f348204cSPawel Jakub Dawidek 113271e4fff8SPoul-Henning Kamp# Make space in the kernel for a root filesystem on a md device. 113371e4fff8SPoul-Henning Kamp# Define to the number of kilobytes to reserve for the filesystem. 1134f4c1f0b9SAdrian Chadd# This is now optional. 1135f4c1f0b9SAdrian Chadd# If not defined, the root filesystem passed in as the MFS_IMAGE makeoption 1136f4c1f0b9SAdrian Chadd# will be automatically embedded in the kernel during linking. Its exact size 1137f4c1f0b9SAdrian Chadd# will be consumed within the kernel. 1138f4c1f0b9SAdrian Chadd# If defined, the old way of embedding the filesystem in the kernel will be 1139f4c1f0b9SAdrian Chadd# used. That is to say MD_ROOT_SIZE KB will be allocated in the kernel and 1140f4c1f0b9SAdrian Chadd# later, the filesystem image passed in as the MFS_IMAGE makeoption will be 1141f4c1f0b9SAdrian Chadd# dd'd into the reserved space if it fits. 114271e4fff8SPoul-Henning Kampoptions MD_ROOT_SIZE=10 114371e4fff8SPoul-Henning Kamp 114471e4fff8SPoul-Henning Kamp# Make the md device a potential root device, either with preloaded 114571e4fff8SPoul-Henning Kamp# images of type mfs_root or md_root. 114671e4fff8SPoul-Henning Kampoptions MD_ROOT 1147d52d7365SPoul-Henning Kamp 11485cf10fb9SIan Lepore# Write-protect the md root device so that it may not be mounted writeable. 11495cf10fb9SIan Leporeoptions MD_ROOT_READONLY 11505cf10fb9SIan Lepore 11517b2c7b92SBreno Leitao# Allow to read MD image from external memory regions 11527b2c7b92SBreno Leitaooptions MD_ROOT_MEM 11537b2c7b92SBreno Leitao 1154495967e4SEivind Eklund# Disk quotas are supported when this option is enabled. 11552365e64fSRodney W. Grimesoptions QUOTA #enable disk quotas 11566a8d6623SGarrett Wollman 1157276756a4SDag-Erling Smørgrav# If you are running a machine just as a fileserver for PC and MAC 115845c203fcSGleb Smirnoff# users, using SAMBA, you may consider setting this option 1159276756a4SDag-Erling Smørgrav# and keeping all those users' directories on a filesystem that is 1160276756a4SDag-Erling Smørgrav# mounted with the suiddir option. This gives new files the same 1161ec4e5afbSRobert Nordier# ownership as the directory (similar to group). It's a security hole 11626110161fSDag-Erling Smørgrav# if you let these users run programs, so confine it to file-servers 1163276756a4SDag-Erling Smørgrav# (but it'll save you lots of headaches in those cases). Root owned 1164276756a4SDag-Erling Smørgrav# directories are exempt and X bits are cleared. The suid bit must be 11659c0ef6d5SOliver Fromme# set on the directory as well; see chmod(1). PC owners can't see/set 1166276756a4SDag-Erling Smørgrav# ownerships so they keep getting their toes trodden on. This saves 1167276756a4SDag-Erling Smørgrav# you all the support calls as the filesystem it's used on will act as 1168276756a4SDag-Erling Smørgrav# they expect: "It's my dir so it must be my file". 1169cb800e34SJulian Elischer# 1170cb800e34SJulian Elischeroptions SUIDDIR 1171cb800e34SJulian Elischer 1172df394affSJohn-Mark Gurney# NFS options: 11735895e3c8SPeter Wemmoptions NFS_MINATTRTIMO=3 # VREG attrib cache timeout in sec 11745895e3c8SPeter Wemmoptions NFS_MAXATTRTIMO=60 11755895e3c8SPeter Wemmoptions NFS_MINDIRATTRTIMO=30 # VDIR attrib cache timeout in sec 11765895e3c8SPeter Wemmoptions NFS_MAXDIRATTRTIMO=60 1177df394affSJohn-Mark Gurneyoptions NFS_DEBUG # Enable NFS Debugging 1178df394affSJohn-Mark Gurney 1179053a2b61SEivind Eklund# 1180053a2b61SEivind Eklund# Add support for the EXT2FS filesystem of Linux fame. Be a bit 1181053a2b61SEivind Eklund# careful with this - the ext2fs code has a tendency to lag behind 1182053a2b61SEivind Eklund# changes and not be exercised very much, so mounting read/write could 1183053a2b61SEivind Eklund# be dangerous (and even mounting read only could result in panics.) 1184053a2b61SEivind Eklund# 11855895e3c8SPeter Wemmoptions EXT2FS 1186053a2b61SEivind Eklund 11878ab2f5ecSMark Murray# The system memory devices; /dev/mem, /dev/kmem 1188e83e229dSWarner Loshdevice mem 11898ab2f5ecSMark Murray 119000a5db46SStacey Son# The kernel symbol table device; /dev/ksyms 119100a5db46SStacey Sondevice ksyms 119200a5db46SStacey Son 1193c4f02a89SMax Khon# Optional character code conversion support with LIBICONV. 1194c4f02a89SMax Khon# Each option requires their base file system and LIBICONV. 1195c4f02a89SMax Khonoptions CD9660_ICONV 1196c4f02a89SMax Khonoptions MSDOSFS_ICONV 1197126f0dfaSScott Longoptions UDF_ICONV 1198c4f02a89SMax Khon 11996a8d6623SGarrett Wollman 12006a8d6623SGarrett Wollman##################################################################### 1201abc97a06SBruce Evans# POSIX P1003.1B 1202abc97a06SBruce Evans 12031c9c6382SRuslan Ermilov# Real time extensions added in the 1993 POSIX 1204abc97a06SBruce Evans# _KPOSIX_PRIORITY_SCHEDULING: Build in _POSIX_PRIORITY_SCHEDULING 1205abc97a06SBruce Evans 12065895e3c8SPeter Wemmoptions _KPOSIX_PRIORITY_SCHEDULING 12078cbf4973SAlfred Perlstein# p1003_1b_semaphores are very experimental, 12088cbf4973SAlfred Perlstein# user should be ready to assist in debugging if problems arise. 12093ffb9fadSAlfred Perlsteinoptions P1003_1B_SEMAPHORES 1210abc97a06SBruce Evans 12115b40ce27SDavid Xu# POSIX message queue 12125b40ce27SDavid Xuoptions P1003_1B_MQUEUE 1213abc97a06SBruce Evans 1214abc97a06SBruce Evans##################################################################### 121512e9f256SRobert Watson# SECURITY POLICY PARAMETERS 121612e9f256SRobert Watson 1217fdcba197SRobert Watson# Support for BSM audit 1218fdcba197SRobert Watsonoptions AUDIT 1219fdcba197SRobert Watson 1220cd6d1d76SBruce Evans# Support for Mandatory Access Control (MAC): 1221cd6d1d76SBruce Evansoptions MAC 1222eae2f20cSRobert Watsonoptions MAC_BIBA 1223eae2f20cSRobert Watsonoptions MAC_BSDEXTENDED 1224eae2f20cSRobert Watsonoptions MAC_IFOFF 1225c4725737SRobert Watsonoptions MAC_LOMAC 1226eae2f20cSRobert Watsonoptions MAC_MLS 1227eae2f20cSRobert Watsonoptions MAC_NONE 12283496c981SIan Leporeoptions MAC_NTPD 1229eae2f20cSRobert Watsonoptions MAC_PARTITION 123003d03162SRobert Watsonoptions MAC_PORTACL 1231eae2f20cSRobert Watsonoptions MAC_SEEOTHERUIDS 1232782f7255SRobert Watsonoptions MAC_STUB 1233eae2f20cSRobert Watsonoptions MAC_TEST 123412e9f256SRobert Watson 123596fcc75fSRobert Watson# Support for Capsicum 123655d4d6f4SJonathan Andersonoptions CAPABILITIES # fine-grained rights on file descriptors 123755d4d6f4SJonathan Andersonoptions CAPABILITY_MODE # sandboxes with no global namespace access 123896fcc75fSRobert Watson 123912e9f256SRobert Watson 124012e9f256SRobert Watson##################################################################### 1241000033d0SJeroen Ruigrok van der Werven# CLOCK OPTIONS 1242000033d0SJeroen Ruigrok van der Werven 1243000033d0SJeroen Ruigrok van der Werven# The granularity of operation is controlled by the kernel option HZ whose 1244358f8d82SRobert Watson# default value (1000 on most architectures) means a granularity of 1ms 1245358f8d82SRobert Watson# (1s/HZ). Historically, the default was 100, but finer granularity is 1246358f8d82SRobert Watson# required for DUMMYNET and other systems on modern hardware. There are 1247358f8d82SRobert Watson# reasonable arguments that HZ should, in fact, be 100 still; consider, 1248358f8d82SRobert Watson# that reducing the granularity too much might cause excessive overhead in 1249358f8d82SRobert Watson# clock interrupt processing, potentially causing ticks to be missed and thus 1250358f8d82SRobert Watson# actually reducing the accuracy of operation. 1251000033d0SJeroen Ruigrok van der Werven 1252000033d0SJeroen Ruigrok van der Wervenoptions HZ=100 1253000033d0SJeroen Ruigrok van der Werven 1254f309f881SJohn Baldwin# Enable support for the kernel PLL to use an external PPS signal, 1255f309f881SJohn Baldwin# under supervision of [x]ntpd(8) 1256f309f881SJohn Baldwin# More info in ntpd documentation: http://www.eecis.udel.edu/~ntp 1257f309f881SJohn Baldwin 1258f309f881SJohn Baldwinoptions PPS_SYNC 1259f309f881SJohn Baldwin 1260b0fdc837SLawrence Stewart# Enable support for generic feed-forward clocks in the kernel. 1261b0fdc837SLawrence Stewart# The feed-forward clock support is an alternative to the feedback oriented 1262b0fdc837SLawrence Stewart# ntpd/system clock approach, and is to be used with a feed-forward 1263b0fdc837SLawrence Stewart# synchronization algorithm such as the RADclock: 1264b0fdc837SLawrence Stewart# More info here: http://www.synclab.org/radclock 1265b0fdc837SLawrence Stewart 1266b0fdc837SLawrence Stewartoptions FFCLOCK 1267b0fdc837SLawrence Stewart 1268000033d0SJeroen Ruigrok van der Werven 1269000033d0SJeroen Ruigrok van der Werven##################################################################### 1270de6a307eSPeter Dufault# SCSI DEVICES 1271de6a307eSPeter Dufault 12726a8d6623SGarrett Wollman# SCSI DEVICE CONFIGURATION 12736a8d6623SGarrett Wollman 12746a8d6623SGarrett Wollman# The SCSI subsystem consists of the `base' SCSI code, a number of 1275ebc1a0e2SPeter Dufault# high-level SCSI device `type' drivers, and the low-level host-adapter 12766a8d6623SGarrett Wollman# device drivers. The host adapters are listed in the ISA and PCI 12776a8d6623SGarrett Wollman# device configuration sections below. 12786a8d6623SGarrett Wollman# 1279e14eb5a1SGarrett Wollman# It is possible to wire down your SCSI devices so that a given bus, 1280e14eb5a1SGarrett Wollman# target, and LUN always come on line as the same device unit. In 1281e14eb5a1SGarrett Wollman# earlier versions the unit numbers were assigned in the order that 1282e14eb5a1SGarrett Wollman# the devices were probed on the SCSI bus. This means that if you 1283e14eb5a1SGarrett Wollman# removed a disk drive, you may have had to rewrite your /etc/fstab 1284e14eb5a1SGarrett Wollman# file, and also that you had to be careful when adding a new disk 1285e14eb5a1SGarrett Wollman# as it may have been probed earlier and moved your device configuration 1286ac8e5d02SConrad Meyer# around. 1287ebc1a0e2SPeter Dufault 1288ebc1a0e2SPeter Dufault# This old behavior is maintained as the default behavior. The unit 1289ebc1a0e2SPeter Dufault# assignment begins with the first non-wired down unit for a device 1290700daf5eSJustin T. Gibbs# type. For example, if you wire a disk as "da3" then the first 1291700daf5eSJustin T. Gibbs# non-wired disk will be assigned da4. 1292ebc1a0e2SPeter Dufault 1293ebc1a0e2SPeter Dufault# The syntax for wiring down devices is: 1294ebc1a0e2SPeter Dufault 1295*f9ba2bbeSWarner Loshenvvar hint.scbus.0.at="ahc0" 1296*f9ba2bbeSWarner Loshenvvar hint.scbus.1.at="ahc1" 1297*f9ba2bbeSWarner Loshenvvar hint.scbus.1.bus="0" 1298*f9ba2bbeSWarner Loshenvvar hint.scbus.3.at="ahc2" 1299*f9ba2bbeSWarner Loshenvvar hint.scbus.3.bus="0" 1300*f9ba2bbeSWarner Loshenvvar hint.scbus.2.at="ahc2" 1301*f9ba2bbeSWarner Loshenvvar hint.scbus.2.bus="1" 1302*f9ba2bbeSWarner Loshenvvar hint.da.0.at="scbus0" 1303*f9ba2bbeSWarner Loshenvvar hint.da.0.target="0" 1304*f9ba2bbeSWarner Loshenvvar hint.da.0.unit="0" 1305*f9ba2bbeSWarner Loshenvvar hint.da.1.at="scbus3" 1306*f9ba2bbeSWarner Loshenvvar hint.da.1.target="1" 1307*f9ba2bbeSWarner Loshenvvar hint.da.2.at="scbus2" 1308*f9ba2bbeSWarner Loshenvvar hint.da.2.target="3" 1309*f9ba2bbeSWarner Loshenvvar hint.sa.1.at="scbus1" 1310*f9ba2bbeSWarner Loshenvvar hint.sa.1.target="6" 1311ebc1a0e2SPeter Dufault 1312ebc1a0e2SPeter Dufault# "units" (SCSI logical unit number) that are not specified are 1313ebc1a0e2SPeter Dufault# treated as if specified as LUN 0. 1314ebc1a0e2SPeter Dufault 1315ebc1a0e2SPeter Dufault# All SCSI devices allocate as many units as are required. 1316ebc1a0e2SPeter Dufault 1317cf2458c9SMatt Jacob# The ch driver drives SCSI Media Changer ("jukebox") devices. 1318cf2458c9SMatt Jacob# 1319cf2458c9SMatt Jacob# The da driver drives SCSI Direct Access ("disk") and Optical Media 1320cf2458c9SMatt Jacob# ("WORM") devices. 1321cf2458c9SMatt Jacob# 1322cf2458c9SMatt Jacob# The sa driver drives SCSI Sequential Access ("tape") devices. 1323cf2458c9SMatt Jacob# 1324cf2458c9SMatt Jacob# The cd driver drives SCSI Read Only Direct Access ("cd") devices. 1325cf2458c9SMatt Jacob# 13263c7c6c12SMike Pritchard# The ses driver drives SCSI Environment Services ("ses") and 13273c7c6c12SMike Pritchard# SAF-TE ("SCSI Accessible Fault-Tolerant Enclosure") devices. 1328cf2458c9SMatt Jacob# 1329cf2458c9SMatt Jacob# The pt driver drives SCSI Processor devices. 1330cf2458c9SMatt Jacob# 13311eba4c79SScott Long# The sg driver provides a passthrough API that is compatible with the 13321eba4c79SScott Long# Linux SG driver. It will work in conjunction with the COMPAT_LINUX 13331eba4c79SScott Long# option to run linux SG apps. It can also stand on its own and provide 1334d51e8487SJosh Paetzel# source level API compatibility for porting apps to FreeBSD. 1335cf2458c9SMatt Jacob# 1336cf2458c9SMatt Jacob# Target Mode support is provided here but also requires that a SIM 1337cf2458c9SMatt Jacob# (SCSI Host Adapter Driver) provide support as well. 1338cf2458c9SMatt Jacob# 1339cf2458c9SMatt Jacob# The targ driver provides target mode support as a Processor type device. 1340cf2458c9SMatt Jacob# It exists to give the minimal context necessary to respond to Inquiry 1341cf2458c9SMatt Jacob# commands. There is a sample user application that shows how the rest 1342cf2458c9SMatt Jacob# of the command support might be done in /usr/share/examples/scsi_target. 1343cf2458c9SMatt Jacob# 1344cf2458c9SMatt Jacob# The targbh driver provides target mode support and exists to respond 1345cf2458c9SMatt Jacob# to incoming commands that do not otherwise have a logical unit assigned 1346cf2458c9SMatt Jacob# to them. 1347cf2458c9SMatt Jacob# 1348b2420d4dSSergey Kandaurov# The pass driver provides a passthrough API to access the CAM subsystem. 1349ebc1a0e2SPeter Dufault 1350c9953c3bSPeter Wemmdevice scbus #base SCSI code 1351c9953c3bSPeter Wemmdevice ch #SCSI media changers 1352c9953c3bSPeter Wemmdevice da #SCSI direct access devices (aka disks) 1353c9953c3bSPeter Wemmdevice sa #SCSI tapes 1354c9953c3bSPeter Wemmdevice cd #SCSI CD-ROMs 1355dc0aa406SAlexander Motindevice ses #Enclosure Services (SES and SAF-TE) 1356cf2458c9SMatt Jacobdevice pt #SCSI processor 135764ed91d5SMatt Jacobdevice targ #SCSI Target Mode Code 135864ed91d5SMatt Jacobdevice targbh #SCSI Target Mode Blackhole Device 1359cf2458c9SMatt Jacobdevice pass #CAM passthrough driver 13601eba4c79SScott Longdevice sg #Linux SCSI passthrough 1361130f4520SKenneth D. Merrydevice ctl #CAM Target Layer 13628909a72bSPeter Dufault 1363700daf5eSJustin T. Gibbs# CAM OPTIONS: 1364700daf5eSJustin T. Gibbs# debugging options: 1365f0f25b9cSAlexander Motin# CAMDEBUG Compile in all possible debugging. 1366f0f25b9cSAlexander Motin# CAM_DEBUG_COMPILE Debug levels to compile in. 1367f0f25b9cSAlexander Motin# CAM_DEBUG_FLAGS Debug levels to enable on boot. 1368f0f25b9cSAlexander Motin# CAM_DEBUG_BUS Limit debugging to the given bus. 1369f0f25b9cSAlexander Motin# CAM_DEBUG_TARGET Limit debugging to the given target. 1370f0f25b9cSAlexander Motin# CAM_DEBUG_LUN Limit debugging to the given lun. 1371f0f25b9cSAlexander Motin# CAM_DEBUG_DELAY Delay in us after printing each debug line. 1372a3851eecSAlan Somers# CAM_IO_STATS Publish additional CAM device statics by sysctl 1373700daf5eSJustin T. Gibbs# 1374700daf5eSJustin T. Gibbs# CAM_MAX_HIGHPOWER: Maximum number of concurrent high power (start unit) cmds 1375700daf5eSJustin T. Gibbs# SCSI_NO_SENSE_STRINGS: When defined disables sense descriptions 1376700daf5eSJustin T. Gibbs# SCSI_NO_OP_STRINGS: When defined disables opcode descriptions 137756234437SKenneth D. Merry# SCSI_DELAY: The number of MILLISECONDS to freeze the SIM (scsi adapter) 137856234437SKenneth D. Merry# queue after a bus reset, and the number of milliseconds to 13793a937198SBrooks Davis# freeze the device queue after a bus device reset. This 13803a937198SBrooks Davis# can be changed at boot and runtime with the 13813a937198SBrooks Davis# kern.cam.scsi_delay tunable/sysctl. 1382700daf5eSJustin T. Gibbsoptions CAMDEBUG 1383f0f25b9cSAlexander Motinoptions CAM_DEBUG_COMPILE=-1 1384f0f25b9cSAlexander Motinoptions CAM_DEBUG_FLAGS=(CAM_DEBUG_INFO|CAM_DEBUG_PROBE|CAM_DEBUG_PERIPH) 13855895e3c8SPeter Wemmoptions CAM_DEBUG_BUS=-1 13865895e3c8SPeter Wemmoptions CAM_DEBUG_TARGET=-1 13875895e3c8SPeter Wemmoptions CAM_DEBUG_LUN=-1 1388f0f25b9cSAlexander Motinoptions CAM_DEBUG_DELAY=1 13895895e3c8SPeter Wemmoptions CAM_MAX_HIGHPOWER=4 1390700daf5eSJustin T. Gibbsoptions SCSI_NO_SENSE_STRINGS 1391700daf5eSJustin T. Gibbsoptions SCSI_NO_OP_STRINGS 139232672ba8SAndre Oppermannoptions SCSI_DELAY=5000 # Be pessimistic about Joe SCSI device 1393a25d93e5SBjoern A. Zeeboptions CAM_IOSCHED_DYNAMIC 1394a3851eecSAlan Somersoptions CAM_IO_STATS 1395d38677d2SWarner Loshoptions CAM_TEST_FAILURE 13961a7c583cSGarrett Wollman 1397700daf5eSJustin T. Gibbs# Options for the CAM CDROM driver: 1398700daf5eSJustin T. Gibbs# CHANGER_MIN_BUSY_SECONDS: Guaranteed minimum time quantum for a changer LUN 1399700daf5eSJustin T. Gibbs# CHANGER_MAX_BUSY_SECONDS: Maximum time quantum per changer LUN, only 1400700daf5eSJustin T. Gibbs# enforced if there is I/O waiting for another LUN 1401700daf5eSJustin T. Gibbs# The compiled in defaults for these variables are 2 and 10 seconds, 1402700daf5eSJustin T. Gibbs# respectively. 140393063432SJoerg Wunsch# 1404700daf5eSJustin T. Gibbs# These can also be changed on the fly with the following sysctl variables: 1405700daf5eSJustin T. Gibbs# kern.cam.cd.changer.min_busy_seconds 1406700daf5eSJustin T. Gibbs# kern.cam.cd.changer.max_busy_seconds 140793063432SJoerg Wunsch# 14085895e3c8SPeter Wemmoptions CHANGER_MIN_BUSY_SECONDS=2 14095895e3c8SPeter Wemmoptions CHANGER_MAX_BUSY_SECONDS=10 141093063432SJoerg Wunsch 14119dfb4471SKenneth D. Merry# Options for the CAM sequential access driver: 1412b29f9e40SMatt Jacob# SA_IO_TIMEOUT: Timeout for read/write/wfm operations, in minutes 14139dfb4471SKenneth D. Merry# SA_SPACE_TIMEOUT: Timeout for space operations, in minutes 14149dfb4471SKenneth D. Merry# SA_REWIND_TIMEOUT: Timeout for rewind operations, in minutes 14159dfb4471SKenneth D. Merry# SA_ERASE_TIMEOUT: Timeout for erase operations, in minutes 14169f050ed5SMatt Jacob# SA_1FM_AT_EOD: Default to model which only has a default one filemark at EOT. 141725388b6cSBruce Evansoptions SA_IO_TIMEOUT=4 141825388b6cSBruce Evansoptions SA_SPACE_TIMEOUT=60 141925388b6cSBruce Evansoptions SA_REWIND_TIMEOUT=(2*60) 142025388b6cSBruce Evansoptions SA_ERASE_TIMEOUT=(4*60) 14219f050ed5SMatt Jacoboptions SA_1FM_AT_EOD 14229dfb4471SKenneth D. Merry 14233ece1bd2SKenneth D. Merry# Optional timeout for the CAM processor target (pt) device 14243ece1bd2SKenneth D. Merry# This is specified in seconds. The default is 60 seconds. 142525388b6cSBruce Evansoptions SCSI_PT_DEFAULT_TIMEOUT=60 14263ece1bd2SKenneth D. Merry 14278904e70bSMatt Jacob# Optional enable of doing SES passthrough on other devices (e.g., disks) 14288904e70bSMatt Jacob# 14298904e70bSMatt Jacob# Normally disabled because a lot of newer SCSI disks report themselves 14308904e70bSMatt Jacob# as having SES capabilities, but this can then clot up attempts to build 14319c0ef6d5SOliver Fromme# a topology with the SES device that's on the box these drives are in.... 14328904e70bSMatt Jacoboptions SES_ENABLE_PASSTHROUGH 14338904e70bSMatt Jacob 14346a8d6623SGarrett Wollman 14356a8d6623SGarrett Wollman##################################################################### 14366a8d6623SGarrett Wollman# MISCELLANEOUS DEVICES AND OPTIONS 14376a8d6623SGarrett Wollman 1438bc093719SEd Schoutendevice pty #BSD-style compatibility pseudo ttys 14396d823e81SJulian Elischerdevice nmdm #back-to-back tty devices 1440f71c01ccSPeter Wemmdevice md #Memory/malloc disk 1441932ef5b5SEd Schoutendevice snp #Snoop device - to look at pty/vty/etc.. 1442efacde1bSBrooks Davisdevice ccd #Concatenated disk driver 14436aec1278SMax Laierdevice firmware #firmware(9) support 1444be174c7eSGreg Lehey 14456f2d8adbSBoris Popov# Kernel side iconv library 14466f2d8adbSBoris Popovoptions LIBICONV 14476f2d8adbSBoris Popov 144858067a99SPoul-Henning Kamp# Size of the kernel message buffer. Should be N * pagesize. 14495895e3c8SPeter Wemmoptions MSGBUF_SIZE=40960 145058067a99SPoul-Henning Kamp 14516a8d6623SGarrett Wollman 14526a8d6623SGarrett Wollman##################################################################### 1453e131ba36SJohn Baldwin# HARDWARE BUS CONFIGURATION 1454e131ba36SJohn Baldwin 1455e131ba36SJohn Baldwin# 1456e131ba36SJohn Baldwin# PCI bus & PCI options: 1457e131ba36SJohn Baldwin# 1458e131ba36SJohn Baldwindevice pci 145982cb5c3bSJohn Baldwinoptions PCI_HP # PCI-Express native HotPlug 1460c41df401SJohn Baldwinoptions PCI_IOV # PCI SR-IOV support 1461e131ba36SJohn Baldwin 1462e131ba36SJohn Baldwin 1463e131ba36SJohn Baldwin##################################################################### 1464d61e6649SAlexander Langer# HARDWARE DEVICE CONFIGURATION 1465d61e6649SAlexander Langer 1466d61e6649SAlexander Langer# For ISA the required hints are listed. 146786d99b68SWarner Losh# PCI, CardBus, SD/MMC and pccard are self identifying buses, so 14685bcb64f2SWarner Losh# no hints are needed. 1469d61e6649SAlexander Langer 1470d61e6649SAlexander Langer# 1471d61e6649SAlexander Langer# Mandatory devices: 1472d61e6649SAlexander Langer# 1473d61e6649SAlexander Langer 14746e818956SDavid E. O'Brien# These options are valid for other keyboard drivers as well. 14756e818956SDavid E. O'Brienoptions KBD_DISABLE_KEYMAP_LOAD # refuse to load a keymap 14766e818956SDavid E. O'Brienoptions KBD_INSTALL_CDEV # install a CDEV entry in /dev 14776e818956SDavid E. O'Brien 147846360281SEd Mastedevice kbdmux # keyboard multiplexer 147946360281SEd Masteoptions KBDMUX_DFLT_KEYMAP # specify the built-in keymap 148046360281SEd Mastemakeoptions KBDMUX_DFLT_KEYMAP=it.iso 148146360281SEd Maste 14827f5092f3SJohn Baldwinoptions FB_DEBUG # Frame buffer debugging 14837f5092f3SJohn Baldwin 148483409a55SEd Schouten# Enable experimental features of the syscons terminal emulator (teken). 1485e42fc368SEd Schoutenoptions TEKEN_CONS25 # cons25-style terminal emulation 148683409a55SEd Schoutenoptions TEKEN_UTF8 # UTF-8 output handling 148783409a55SEd Schouten 1488ccbb7b5eSEd Maste# The vt video console driver. 1489ccbb7b5eSEd Mastedevice vt 1490ccbb7b5eSEd Masteoptions VT_ALT_TO_ESC_HACK=1 # Prepend ESC sequence to ALT keys 1491ccbb7b5eSEd Masteoptions VT_MAXWINDOWS=16 # Number of virtual consoles 1492ccbb7b5eSEd Masteoptions VT_TWOBUTTON_MOUSE # Use right mouse button to paste 1493ccbb7b5eSEd Maste 1494e9ee2675SMark Johnston# The following options set the maximum framebuffer size. 1495e9ee2675SMark Johnstonoptions VT_FB_MAX_HEIGHT=480 1496e9ee2675SMark Johnstonoptions VT_FB_MAX_WIDTH=640 1497ccbb7b5eSEd Maste 1498ccbb7b5eSEd Maste# The following options will let you change the default vt terminal colors. 1499ccbb7b5eSEd Masteoptions TERMINAL_NORM_ATTR=(FG_GREEN|BG_BLACK) 1500ccbb7b5eSEd Masteoptions TERMINAL_KERN_ATTR=(FG_LIGHTRED|BG_BLACK) 1501ccbb7b5eSEd Maste 15021fe04850SBruce Evans# 1503d61e6649SAlexander Langer# Optional devices: 15046a8d6623SGarrett Wollman# 15056a8d6623SGarrett Wollman 15066a8d6623SGarrett Wollman# 1507d61e6649SAlexander Langer# SCSI host adapters: 15086a8d6623SGarrett Wollman# 1509d8c51c6fSLeandro Lupori# aacraid: Adaptec by PMC RAID controllers, Series 6/7/8 and upcoming 1510d8c51c6fSLeandro Lupori# families. Container interface, CAM required. 1511d61e6649SAlexander Langer# ahc: Adaptec 274x/284x/2910/293x/294x/394x/3950x/3960x/398X/4944/ 1512d61e6649SAlexander Langer# 19160x/29160x, aic7770/aic78xx 1513cdd49e97SJustin T. Gibbs# ahd: Adaptec 29320/39320 Controllers. 1514a9ab459bSMarius Strobl# esp: Emulex ESP, NCR 53C9x and QLogic FAS families based controllers 1515a9ab459bSMarius Strobl# including the AMD Am53C974 (found on devices such as the Tekram 1516a9ab459bSMarius Strobl# DC-390(T)) and the Sun ESP and FAS families of controllers 1517d61e6649SAlexander Langer# isp: Qlogic ISP 1020, 1040 and 1040B PCI SCSI host adapters, 1518d61e6649SAlexander Langer# ISP 1240 Dual Ultra SCSI, ISP 1080 and 1280 (Dual) Ultra2, 1519d61e6649SAlexander Langer# ISP 12160 Ultra3 SCSI, 1520e8a0f829SMatt Jacob# Qlogic ISP 2100 and ISP 2200 1Gb Fibre Channel host adapters. 1521e8a0f829SMatt Jacob# Qlogic ISP 2300 and ISP 2312 2Gb Fibre Channel host adapters. 1522af606348SMatt Jacob# Qlogic ISP 2322 and ISP 6322 2Gb Fibre Channel host adapters. 1523ac918c84SMatt Jacob# ispfw: Firmware module for Qlogic host adapters 1524f7ab0158SWarner Losh# mpr: LSI-Logic MPT/Fusion Gen 3 1525f7ab0158SWarner Losh# mps: LSI-Logic MPT/Fusion Gen 2 152664fa5108SMatt Jacob# mpt: LSI-Logic MPT/Fusion 53c1020 or 53c1030 Ultra4 152764fa5108SMatt Jacob# or FC9x9 Fibre Channel host adapters. 1528fb91fd69SGerard Roudier# sym: Symbios/Logic 53C8XX family of PCI-SCSI I/O processors: 1529fb91fd69SGerard Roudier# 53C810, 53C810A, 53C815, 53C825, 53C825A, 53C860, 53C875, 1530fb91fd69SGerard Roudier# 53C876, 53C885, 53C895, 53C895A, 53C896, 53C897, 53C1510D, 1531fb91fd69SGerard Roudier# 53C1010-33, 53C1010-66. 1532d61e6649SAlexander Langer 1533d8c51c6fSLeandro Luporidevice aacraid 1534d61e6649SAlexander Langerdevice ahc 1535cdd49e97SJustin T. Gibbsdevice ahd 15361b946e21SScott Longdevice esp 1537c5933b20SScott Longdevice iscsi_initiator 1538d61e6649SAlexander Langerdevice isp 1539*f9ba2bbeSWarner Loshenvvar hint.isp.0.disable="1" 1540*f9ba2bbeSWarner Loshenvvar hint.isp.0.role="3" 1541*f9ba2bbeSWarner Loshenvvar hint.isp.0.prefer_iomap="1" 1542*f9ba2bbeSWarner Loshenvvar hint.isp.0.prefer_memmap="1" 1543*f9ba2bbeSWarner Loshenvvar hint.isp.0.fwload_disable="1" 1544*f9ba2bbeSWarner Loshenvvar hint.isp.0.ignore_nvram="1" 1545*f9ba2bbeSWarner Loshenvvar hint.isp.0.fullduplex="1" 1546*f9ba2bbeSWarner Loshenvvar hint.isp.0.topology="lport" 1547*f9ba2bbeSWarner Loshenvvar hint.isp.0.topology="nport" 1548*f9ba2bbeSWarner Loshenvvar hint.isp.0.topology="lport-only" 1549*f9ba2bbeSWarner Loshenvvar hint.isp.0.topology="nport-only" 15500787f2b8SMatt Jacob# we can't get u_int64_t types, nor can we get strings if it's got 15510787f2b8SMatt Jacob# a leading 0x, hence this silly dodge. 1552*f9ba2bbeSWarner Loshenvvar hint.isp.0.portwnn="w50000000aaaa0000" 1553*f9ba2bbeSWarner Loshenvvar hint.isp.0.nodewnn="w50000000aaaa0001" 1554d61e6649SAlexander Langerdevice ispfw 1555f7ab0158SWarner Loshdevice mpr # LSI-Logic MPT-Fusion 3 1556f7ab0158SWarner Loshdevice mps # LSI-Logic MPT-Fusion 2 1557f7ab0158SWarner Loshdevice mpt # LSI-Logic MPT-Fusion 1558d61e6649SAlexander Langerdevice sym 1559d61e6649SAlexander Langer 1560d61e6649SAlexander Langer# The aic7xxx driver will attempt to use memory mapped I/O for all PCI 1561d61e6649SAlexander Langer# controllers that have it configured only if this option is set. Unfortunately, 1562d61e6649SAlexander Langer# this doesn't work on some motherboards, which prevents it from being the 1563d61e6649SAlexander Langer# default. 1564d61e6649SAlexander Langeroptions AHC_ALLOW_MEMIO 1565d61e6649SAlexander Langer 1566fac70739SJeroen Ruigrok van der Werven# Dump the contents of the ahc controller configuration PROM. 1567fac70739SJeroen Ruigrok van der Wervenoptions AHC_DUMP_EEPROM 1568fac70739SJeroen Ruigrok van der Werven 1569fac70739SJeroen Ruigrok van der Werven# Bitmap of units to enable targetmode operations. 1570fac70739SJeroen Ruigrok van der Wervenoptions AHC_TMODE_ENABLE 1571fac70739SJeroen Ruigrok van der Werven 1572662d3818SScott Long# Compile in Aic7xxx Debugging code. 1573662d3818SScott Longoptions AHC_DEBUG 1574662d3818SScott Long 1575662d3818SScott Long# Aic7xxx driver debugging options. See sys/dev/aic7xxx/aic7xxx.h 1576662d3818SScott Longoptions AHC_DEBUG_OPTS 1577662d3818SScott Long 1578f8f8803bSBruce Evans# Print register bitfields in debug output. Adds ~128k to driver 1579f8f8803bSBruce Evans# See ahc(4). 1580662d3818SScott Longoptions AHC_REG_PRETTY_PRINT 1581662d3818SScott Long 1582cdd49e97SJustin T. Gibbs# Compile in aic79xx debugging code. 1583cdd49e97SJustin T. Gibbsoptions AHD_DEBUG 1584cdd49e97SJustin T. Gibbs 1585f8f8803bSBruce Evans# Aic79xx driver debugging options. Adds ~215k to driver. See ahd(4). 1586cdd49e97SJustin T. Gibbsoptions AHD_DEBUG_OPTS=0xFFFFFFFF 1587cdd49e97SJustin T. Gibbs 158843e9d8a3SScott Long# Print human-readable register definitions when debugging 158943e9d8a3SScott Longoptions AHD_REG_PRETTY_PRINT 159043e9d8a3SScott Long 1591662d3818SScott Long# Bitmap of units to enable targetmode operations. 1592662d3818SScott Longoptions AHD_TMODE_ENABLE 1593662d3818SScott Long 1594c5933b20SScott Long# Options used in dev/iscsi (Software iSCSI stack) 1595c5933b20SScott Long# 1596c5933b20SScott Longoptions ISCSI_INITIATOR_DEBUG=9 1597c5933b20SScott Long 1598d61e6649SAlexander Langer# Options used in dev/isp/ (Qlogic SCSI/FC driver). 1599d61e6649SAlexander Langer# 1600d61e6649SAlexander Langer# ISP_TARGET_MODE - enable target mode operation 1601d61e6649SAlexander Langer# 160264fa5108SMatt Jacoboptions ISP_TARGET_MODE=1 1603af606348SMatt Jacob# 16049a1b0d43SMatt Jacob# ISP_DEFAULT_ROLES - default role 16059a1b0d43SMatt Jacob# none=0 16069a1b0d43SMatt Jacob# target=1 16079a1b0d43SMatt Jacob# initiator=2 16089a1b0d43SMatt Jacob# both=3 (not supported currently) 1609af606348SMatt Jacob# 161015f0f952SMatt Jacob# ISP_INTERNAL_TARGET (trivial internal disk target, for testing) 161115f0f952SMatt Jacob# 1612e2873b76SMatt Jacoboptions ISP_DEFAULT_ROLES=0 1613d61e6649SAlexander Langer 1614d61e6649SAlexander Langer#options SYM_SETUP_SCSI_DIFF #-HVD support for 825a, 875, 885 1615d61e6649SAlexander Langer # disabled:0 (default), enabled:1 1616d61e6649SAlexander Langer#options SYM_SETUP_PCI_PARITY #-PCI parity checking 1617d61e6649SAlexander Langer # disabled:0, enabled:1 (default) 1618d61e6649SAlexander Langer#options SYM_SETUP_MAX_LUN #-Number of LUNs supported 1619d61e6649SAlexander Langer # default:8, range:[1..64] 16206a8d6623SGarrett Wollman 16216e818956SDavid E. O'Brien# 16226e818956SDavid E. O'Brien# Compaq "CISS" RAID controllers (SmartRAID 5* series) 16236e818956SDavid E. O'Brien# These controllers have a SCSI-like interface, and require the 16246e818956SDavid E. O'Brien# CAM infrastructure. 16256e818956SDavid E. O'Brien# 16266e818956SDavid E. O'Briendevice ciss 16276e818956SDavid E. O'Brien 16286e818956SDavid E. O'Brien# 16296e818956SDavid E. O'Brien# Intel Integrated RAID controllers. 16306e818956SDavid E. O'Brien# This driver was developed and is maintained by Intel. Contacts 16316e818956SDavid E. O'Brien# at Intel for this driver are 16326e818956SDavid E. O'Brien# "Kannanthanam, Boji T" <boji.t.kannanthanam@intel.com> and 16336e818956SDavid E. O'Brien# "Leubner, Achim" <achim.leubner@intel.com>. 16346e818956SDavid E. O'Brien# 16356e818956SDavid E. O'Briendevice iir 16366e818956SDavid E. O'Brien 16376e818956SDavid E. O'Brien# 16386e818956SDavid E. O'Brien# Mylex AcceleRAID and eXtremeRAID controllers with v6 and later 16396e818956SDavid E. O'Brien# firmware. These controllers have a SCSI-like interface, and require 16406e818956SDavid E. O'Brien# the CAM infrastructure. 16416e818956SDavid E. O'Brien# 16426e818956SDavid E. O'Briendevice mly 16436e818956SDavid E. O'Brien 16446e818956SDavid E. O'Brien# 16456e818956SDavid E. O'Brien# Compaq Smart RAID, Mylex DAC960 and AMI MegaRAID controllers. Only 16466e818956SDavid E. O'Brien# one entry is needed; the code will find and configure all supported 16476e818956SDavid E. O'Brien# controllers. 16486e818956SDavid E. O'Brien# 16496e818956SDavid E. O'Briendevice ida # Compaq Smart RAID 16506e818956SDavid E. O'Briendevice mlx # Mylex DAC960 16516e818956SDavid E. O'Briendevice amr # AMI MegaRAID 165264c71632SScott Longdevice amrp # SCSI Passthrough interface (optional, CAM req.) 16537f631a41SScott Longdevice mfi # LSI MegaRAID SAS 1654f366931cSScott Longdevice mfip # LSI MegaRAID SAS passthrough, requires CAM 16556b31d3f7SScott Longoptions MFI_DEBUG 1656a58b4afaSMark Johnstondevice mrsas # LSI/Avago MegaRAID SAS/SATA, 6Gb/s and 12Gb/s 16576e818956SDavid E. O'Brien 16586e818956SDavid E. O'Brien# 16596e818956SDavid E. O'Brien# 3ware ATA RAID 16606e818956SDavid E. O'Brien# 16616e818956SDavid E. O'Briendevice twe # 3ware ATA RAID 16626e818956SDavid E. O'Brien 166390d3341eSPeter Wemm# 1664e19ef875SAlexander Motin# Serial ATA host controllers: 1665e19ef875SAlexander Motin# 1666e19ef875SAlexander Motin# ahci: Advanced Host Controller Interface (AHCI) compatible 1667dd48af36SAlexander Motin# mvs: Marvell 88SX50XX/88SX60XX/88SX70XX/SoC controllers 1668e19ef875SAlexander Motin# siis: SiliconImage SiI3124/SiI3132/SiI3531 controllers 16691a00526bSAlexander Motin# 16701a00526bSAlexander Motin# These drivers are part of cam(4) subsystem. They supersede less featured 16711a00526bSAlexander Motin# ata(4) subsystem drivers, supporting same hardware. 1672e19ef875SAlexander Motin 1673e19ef875SAlexander Motindevice ahci 1674dd48af36SAlexander Motindevice mvs 1675e19ef875SAlexander Motindevice siis 1676e19ef875SAlexander Motin 1677e19ef875SAlexander Motin# 167845f6d665SAlexander Motin# The 'ATA' driver supports all legacy ATA/ATAPI controllers, including 167945f6d665SAlexander Motin# PC Card devices. You only need one "device ata" for it to find all 16806d04301dSAlexander Langer# PCI and PC Card ATA/ATAPI devices on modern machines. 1681c4bda3c6SAlexander Motin# Alternatively, individual bus and chipset drivers may be chosen by using 1682c4bda3c6SAlexander Motin# the 'atacore' driver then selecting the drivers on a per vendor basis. 1683c4bda3c6SAlexander Motin# For example to build a system which only supports a VIA chipset, 1684c4bda3c6SAlexander Motin# omit 'ata' and include the 'atacore', 'atapci' and 'atavia' drivers. 1685c9953c3bSPeter Wemmdevice ata 1686c4bda3c6SAlexander Motin 1687c4bda3c6SAlexander Motin# Modular ATA 1688c4bda3c6SAlexander Motin#device atacore # Core ATA functionality 16895a62e92fSAlexander Motin#device atapccard # CARDBUS support 1690c4bda3c6SAlexander Motin#device ataisa # ISA bus support 1691c4bda3c6SAlexander Motin#device atapci # PCI bus support; only generic chipset support 1692c4bda3c6SAlexander Motin 1693c4bda3c6SAlexander Motin# PCI ATA chipsets 1694c4bda3c6SAlexander Motin#device ataacard # ACARD 1695c4bda3c6SAlexander Motin#device ataacerlabs # Acer Labs Inc. (ALI) 1696c4bda3c6SAlexander Motin#device ataamd # American Micro Devices (AMD) 1697c4bda3c6SAlexander Motin#device ataati # ATI 1698c4bda3c6SAlexander Motin#device atacenatek # Cenatek 1699c4bda3c6SAlexander Motin#device atacypress # Cypress 1700c4bda3c6SAlexander Motin#device atacyrix # Cyrix 1701c4bda3c6SAlexander Motin#device atahighpoint # HighPoint 1702c4bda3c6SAlexander Motin#device ataintel # Intel 1703c4bda3c6SAlexander Motin#device ataite # Integrated Technology Inc. (ITE) 1704c4bda3c6SAlexander Motin#device atajmicron # JMicron 1705c4bda3c6SAlexander Motin#device atamarvell # Marvell 1706c4bda3c6SAlexander Motin#device atamicron # Micron 1707c4bda3c6SAlexander Motin#device atanational # National 1708c4bda3c6SAlexander Motin#device atanetcell # NetCell 1709c4bda3c6SAlexander Motin#device atanvidia # nVidia 1710c4bda3c6SAlexander Motin#device atapromise # Promise 1711c4bda3c6SAlexander Motin#device ataserverworks # ServerWorks 1712c4bda3c6SAlexander Motin#device atasiliconimage # Silicon Image Inc. (SiI) (formerly CMD) 1713c4bda3c6SAlexander Motin#device atasis # Silicon Integrated Systems Corp.(SiS) 1714c4bda3c6SAlexander Motin#device atavia # VIA Technologies Inc. 1715c4bda3c6SAlexander Motin 17168b89ef0aSSøren Schmidt# 17176d04301dSAlexander Langer# For older non-PCI, non-PnPBIOS systems, these are the hints lines to add: 1718*f9ba2bbeSWarner Loshenvvar hint.ata.0.at="isa" 1719*f9ba2bbeSWarner Loshenvvar hint.ata.0.port="0x1f0" 1720*f9ba2bbeSWarner Loshenvvar hint.ata.0.irq="14" 1721*f9ba2bbeSWarner Loshenvvar hint.ata.1.at="isa" 1722*f9ba2bbeSWarner Loshenvvar hint.ata.1.port="0x170" 1723*f9ba2bbeSWarner Loshenvvar hint.ata.1.irq="15" 17246d04301dSAlexander Langer 17256d04301dSAlexander Langer# 1726501ef98fSMarcel Moolenaar# uart: newbusified driver for serial interfaces. It consolidates the sio(4), 1727501ef98fSMarcel Moolenaar# sab(4) and zs(4) drivers. 1728c8956b36SMarcel Moolenaar# 1729501ef98fSMarcel Moolenaardevice uart 1730501ef98fSMarcel Moolenaar 17318194412bSMarcel Moolenaar# Options for uart(4) 17328194412bSMarcel Moolenaaroptions UART_PPS_ON_CTS # Do time pulse capturing using CTS 17338194412bSMarcel Moolenaar # instead of DCD. 17341662b008SIan Leporeoptions UART_POLL_FREQ # Set polling rate, used when hw has 17351662b008SIan Lepore # no interrupt support (50 Hz default). 17368194412bSMarcel Moolenaar 1737501ef98fSMarcel Moolenaar# The following hint should only be used for pure ISA devices. It is not 1738501ef98fSMarcel Moolenaar# needed otherwise. Use of hints is strongly discouraged. 1739*f9ba2bbeSWarner Loshenvvar hint.uart.0.at="isa" 1740501ef98fSMarcel Moolenaar 1741c8956b36SMarcel Moolenaar# The following 3 hints are used when the UART is a system device (i.e., a 1742c8956b36SMarcel Moolenaar# console or debug port), but only on platforms that don't have any other 1743c8956b36SMarcel Moolenaar# means to pass the information to the kernel. The unit number of the hint 1744c8956b36SMarcel Moolenaar# is only used to bundle the hints together. There is no relation to the 1745c8956b36SMarcel Moolenaar# unit number of the probed UART. 1746*f9ba2bbeSWarner Loshenvvar hint.uart.0.port="0x3f8" 1747*f9ba2bbeSWarner Loshenvvar hint.uart.0.flags="0x10" 1748*f9ba2bbeSWarner Loshenvvar hint.uart.0.baud="115200" 1749501ef98fSMarcel Moolenaar 1750501ef98fSMarcel Moolenaar# `flags' for serial drivers that support consoles like sio(4) and uart(4): 1751c8956b36SMarcel Moolenaar# 0x10 enable console support for this unit. Other console flags 1752c8956b36SMarcel Moolenaar# (if applicable) are ignored unless this is set. Enabling 1753c8956b36SMarcel Moolenaar# console support does not make the unit the preferred console. 1754c8956b36SMarcel Moolenaar# Boot with -h or set boot_serial=YES in the loader. For sio(4) 1755c8956b36SMarcel Moolenaar# specifically, the 0x20 flag can also be set (see above). 1756c8956b36SMarcel Moolenaar# Currently, at most one unit can have console support; the 1757c8956b36SMarcel Moolenaar# first one (in config file order) with this flag set is 1758d51e8487SJosh Paetzel# preferred. Setting this flag for sio0 gives the old behavior. 1759c8956b36SMarcel Moolenaar# 0x80 use this port for serial line gdb support in ddb. Also known 1760c8956b36SMarcel Moolenaar# as debug port. 17619546766aSBruce Evans# 17629546766aSBruce Evans 1763501ef98fSMarcel Moolenaar# Options for serial drivers that support consoles: 176491ed2fecSJohn-Mark Gurneyoptions BREAK_TO_DEBUGGER # A BREAK/DBG on the console goes to 1765c8956b36SMarcel Moolenaar # ddb, if available. 17666a8d6623SGarrett Wollman 176726b6ea69SPaul Saab# Solaris implements a new BREAK which is initiated by a character 176826b6ea69SPaul Saab# sequence CR ~ ^b which is similar to a familiar pattern used on 17699c0ef6d5SOliver Fromme# Sun servers by the Remote Console. There are FreeBSD extensions: 1770c7b3d8e2SMaxim Konovalov# CR ~ ^p requests force panic and CR ~ ^r requests a clean reboot. 177126b6ea69SPaul Saaboptions ALT_BREAK_TO_DEBUGGER 177226b6ea69SPaul Saab 1773af2e25a6SMarcel Moolenaar# Serial Communications Controller 1774af2e25a6SMarcel Moolenaar# Supports the Siemens SAB 82532 and Zilog Z8530 multi-channel 1775af2e25a6SMarcel Moolenaar# communications controllers. 1776af2e25a6SMarcel Moolenaardevice scc 1777af2e25a6SMarcel Moolenaar 17789c564b6cSJohn Hay# PCI Universal Communications driver 177964220a7eSMarcel Moolenaar# Supports various multi port PCI I/O cards. 17809c564b6cSJohn Haydevice puc 17819c564b6cSJohn Hay 17826a8d6623SGarrett Wollman# 1783d61e6649SAlexander Langer# Network interfaces: 17846a8d6623SGarrett Wollman# 1785dfd77572SJohn Baldwin# MII bus support is required for many PCI Ethernet NICs, 1786d61e6649SAlexander Langer# namely those which use MII-compliant transceivers or implement 17873c7c6c12SMike Pritchard# transceiver control interfaces that operate like an MII. Adding 17888c1093fcSMarius Strobl# "device miibus" to the kernel config pulls in support for the generic 17898c1093fcSMarius Strobl# miibus API, the common support for for bit-bang'ing the MII and all 17908c1093fcSMarius Strobl# of the PHY drivers, including a generic one for PHYs that aren't 17918c1093fcSMarius Strobl# specifically handled by an individual driver. Support for specific 17928c1093fcSMarius Strobl# PHYs may be built by adding "device mii", "device mii_bitbang" if 17938c1093fcSMarius Strobl# needed by the NIC driver and then adding the appropriate PHY driver. 1794dfd77572SJohn Baldwindevice mii # Minimal MII support 17958c1093fcSMarius Strobldevice mii_bitbang # Common module for bit-bang'ing the MII 17968c1093fcSMarius Strobldevice miibus # MII support w/ bit-bang'ing and all PHYs 1797dfd77572SJohn Baldwin 1798dfd77572SJohn Baldwindevice acphy # Altima Communications AC101 1799dfd77572SJohn Baldwindevice amphy # AMD AM79c873 / Davicom DM910{1,2} 1800dfd77572SJohn Baldwindevice atphy # Attansic/Atheros F1 1801dfd77572SJohn Baldwindevice axphy # Asix Semiconductor AX88x9x 1802dfd77572SJohn Baldwindevice bmtphy # Broadcom BCM5201/BCM5202 and 3Com 3c905C 1803d933e97fSStephen Hurddevice bnxt # Broadcom NetXtreme-C/NetXtreme-E 1804dfd77572SJohn Baldwindevice brgphy # Broadcom BCM54xx/57xx 1000baseTX 180578c1387fSIan Leporedevice cgem # Cadence GEM Gigabit Ethernet 1806dfd77572SJohn Baldwindevice ciphy # Cicada/Vitesse CS/VSC8xxx 1807dfd77572SJohn Baldwindevice e1000phy # Marvell 88E1000 1000/100/10-BT 1808dfd77572SJohn Baldwindevice gentbi # Generic 10-bit 1000BASE-{LX,SX} fiber ifaces 1809dfd77572SJohn Baldwindevice icsphy # ICS ICS1889-1893 1810dfd77572SJohn Baldwindevice ip1000phy # IC Plus IP1000A/IP1001 1811dfd77572SJohn Baldwindevice jmphy # JMicron JMP211/JMP202 1812dfd77572SJohn Baldwindevice lxtphy # Level One LXT-970 1813dfd77572SJohn Baldwindevice mlphy # Micro Linear 6692 1814dfd77572SJohn Baldwindevice nsgphy # NatSemi DP8361/DP83865/DP83891 1815dfd77572SJohn Baldwindevice nsphy # NatSemi DP83840A 1816dfd77572SJohn Baldwindevice nsphyter # NatSemi DP83843/DP83815 1817dfd77572SJohn Baldwindevice pnaphy # HomePNA 1818dfd77572SJohn Baldwindevice qsphy # Quality Semiconductor QS6612 1819e6713fe5SPyun YongHyeondevice rdcphy # RDC Semiconductor R6040 1820dfd77572SJohn Baldwindevice rgephy # RealTek 8169S/8110S/8211B/8211C 1821dfd77572SJohn Baldwindevice rlphy # RealTek 8139 1822dfd77572SJohn Baldwindevice rlswitch # RealTek 8305 1823dfd77572SJohn Baldwindevice smcphy # SMSC LAN91C111 1824dfd77572SJohn Baldwindevice tdkphy # TDK 89Q2120 1825dfd77572SJohn Baldwindevice tlphy # Texas Instruments ThunderLAN 1826dfd77572SJohn Baldwindevice truephy # LSI TruePHY 1827dfd77572SJohn Baldwindevice xmphy # XaQti XMAC II 1828d61e6649SAlexander Langer 18297f5092f3SJohn Baldwin# an: Aironet 4500/4800 802.11 wireless adapters. Supports the PCMCIA, 18307f5092f3SJohn Baldwin# PCI and ISA varieties. 1831ba26d470SStanislav Sedov# ae: Support for gigabit ethernet adapters based on the Attansic/Atheros 1832ba26d470SStanislav Sedov# L2 PCI-Express FastEthernet controllers. 1833cfef026aSPyun YongHyeon# age: Support for gigabit ethernet adapters based on the Attansic/Atheros 1834cfef026aSPyun YongHyeon# L1 PCI express gigabit ethernet controllers. 1835d68875ebSPyun YongHyeon# alc: Support for Atheros AR8131/AR8132 PCIe ethernet controllers. 18363c6e15bcSPyun YongHyeon# ale: Support for Atheros AR8121/AR8113/AR8114 PCIe ethernet controllers. 1837390cee87SJohn Baldwin# ath: Atheros a/b/g WiFi adapters (requires ath_hal and wlan) 1838343ed0a8SJohn Baldwin# bce: Broadcom NetXtreme II (BCM5706/BCM5708) PCI/PCIe Gigabit Ethernet 1839343ed0a8SJohn Baldwin# adapters. 1840343ed0a8SJohn Baldwin# bfe: Broadcom BCM4401 Ethernet adapter. 184195d67482SBill Paul# bge: Support for gigabit ethernet adapters based on the Broadcom 1842586d7c2eSJohn Polstra# BCM570x family of controllers, including the 3Com 3c996-T, 1843586d7c2eSJohn Polstra# the Netgear GA302T, the SysKonnect SK-9D21 and SK-9D41, and 1844586d7c2eSJohn Polstra# the embedded gigE NICs on Dell PowerEdge 2550 servers. 1845d933e97fSStephen Hurd# bnxt: Broadcom NetXtreme-C and NetXtreme-E PCIe 10/25/50G Ethernet adapters. 18464e400768SDavid Christensen# bxe: Broadcom NetXtreme II (BCM5771X/BCM578XX) PCIe 10Gb Ethernet 1847dd46ab31SDavid Christensen# adapters. 18483132ad0dSWarner Losh# bwi: Broadcom BCM430* and BCM431* family of wireless adapters. 1849eb5ef23cSWeongyo Jeong# bwn: Broadcom BCM43xx family of wireless adapters. 1850119051cbSMarius Strobl# cas: Sun Cassini/Cassini+ and National Semiconductor DP83065 Saturn 1851ca7fe84aSNavdeep Parhar# cxgb: Chelsio T3 based 1GbE/10GbE PCIe Ethernet adapters. 1852a74031a5SJohn Baldwin# cxgbe:Chelsio T4, T5, and T6-based 1/10/25/40/100GbE PCIe Ethernet 185324957938SJohn Baldwin# adapters. 185424957938SJohn Baldwin# cxgbev: Chelsio T4, T5, and T6-based PCIe Virtual Functions. 1855d61e6649SAlexander Langer# dc: Support for PCI fast ethernet adapters based on the DEC/Intel 21143 1856d61e6649SAlexander Langer# and various workalikes including: 1857d61e6649SAlexander Langer# the ADMtek AL981 Comet and AN985 Centaur, the ASIX Electronics 1858d61e6649SAlexander Langer# AX88140A and AX88141, the Davicom DM9100 and DM9102, the Lite-On 1859d61e6649SAlexander Langer# 82c168 and 82c169 PNIC, the Lite-On/Macronix LC82C115 PNIC II 1860d61e6649SAlexander Langer# and the Macronix 98713/98713A/98715/98715A/98725 PMAC. This driver 1861d61e6649SAlexander Langer# replaces the old al, ax, dm, pn and mx drivers. List of brands: 1862d61e6649SAlexander Langer# Digital DE500-BA, Kingston KNE100TX, D-Link DFE-570TX, SOHOware SFA110, 1863d61e6649SAlexander Langer# SVEC PN102-TX, CNet Pro110B, 120A, and 120B, Compex RL100-TX, 1864d61e6649SAlexander Langer# LinkSys LNE100TX, LNE100TX V2.0, Jaton XpressNet, Alfa Inc GFC2204, 1865d61e6649SAlexander Langer# KNE110TX. 1866a59716d2SPrafulla Deuskar# em: Intel Pro/1000 Gigabit Ethernet 82542, 82543, 82544 based adapters. 1867d61e6649SAlexander Langer# fxp: Intel EtherExpress Pro/100B 1868cf87044eSMatt Jacob# (hint of prefer_iomap can be done to prefer I/O instead of Mem mapping) 18691ed3fed7SMarius Strobl# gem: Apple GMAC/Sun ERI/Sun GEM 187052c07e1cSMarius Strobl# hme: Sun HME (Happy Meal Ethernet) 187175a1bf5fSPyun YongHyeon# jme: JMicron JMC260 Fast Ethernet/JMC250 Gigabit Ethernet based adapters. 187244ac0964SMarius Strobl# le: AMD Am7900 LANCE and Am79C9xx PCnet 1873c678bc4fSBill Paul# lge: Support for PCI gigabit ethernet adapters based on the Level 1 1874c678bc4fSBill Paul# LXT1001 NetCellerator chipset. This includes the D-Link DGE-500SX, 1875c678bc4fSBill Paul# SMC TigerCard 1000 (SMC9462SX), and some Addtron cards. 1876f173c2b7SSean Bruno# lio: Support for Cavium 23XX Ethernet adapters 1877d1f25d5dSBernhard Schmidt# malo: Marvell Libertas wireless NICs. 1878d1f25d5dSBernhard Schmidt# mwl: Marvell 88W8363 802.11n wireless NICs. 1879778eefa4SJohn Baldwin# Requires the mwl firmware module 1880778eefa4SJohn Baldwin# mwlfw: Marvell 88W8363 firmware 1881c9d21ce9SPyun YongHyeon# msk: Support for gigabit ethernet adapters based on the Marvell/SysKonnect 1882c9d21ce9SPyun YongHyeon# Yukon II Gigabit controllers, including 88E8021, 88E8022, 88E8061, 1883c9d21ce9SPyun YongHyeon# 88E8062, 88E8035, 88E8036, 88E8038, 88E8050, 88E8052, 88E8053, 1884c9d21ce9SPyun YongHyeon# 88E8055, 88E8056 and D-Link 560T/550SX. 1885c9c8bf05SHans Petter Selasky# mlxfw: Mellanox firmware update module. 188622f2c49aSHans Petter Selasky# mlx5: Mellanox ConnectX-4 and ConnectX-4 LX IB and Eth shared code module. 188722f2c49aSHans Petter Selasky# mlx5en:Mellanox ConnectX-4 and ConnectX-4 LX PCIe Ethernet adapters. 1888d3d67116SMaxim Sobolev# my: Myson Fast Ethernet (MTD80X, MTD89X) 1889ce4946daSBill Paul# nge: Support for PCI gigabit ethernet adapters based on the National 1890ce4946daSBill Paul# Semiconductor DP83820 and DP83821 chipset. This includes the 1891ce4946daSBill Paul# SMC EZ Card 1000 (SMC9462TX), D-Link DGE-500T, Asante FriendlyNet 1892cc2824b8SBjoern A. Zeeb# GigaNIX 1000TA and 1000TPC, the Addtron AEG320T, the Surecom 1893cc2824b8SBjoern A. Zeeb# EP-320G-TX and the Netgear GA622T. 18942f345d8eSLuigi Rizzo# oce: Emulex 10 Gbit adapters (OneConnect Ethernet) 1895390cee87SJohn Baldwin# ral: Ralink Technology IEEE 802.11 wireless adapter 18960587cad8SPyun YongHyeon# re: RealTek 8139C+/8169/816xS/811xS/8101E PCI/PCIe Ethernet adapter 1897d61e6649SAlexander Langer# rl: Support for PCI fast ethernet adapters based on the RealTek 8129/8139 1898d61e6649SAlexander Langer# chipset. Note that the RealTek driver defaults to using programmed 1899d61e6649SAlexander Langer# I/O to do register accesses because memory mapped mode seems to cause 1900d61e6649SAlexander Langer# severe lockups on SMP hardware. This driver also supports the 1901d61e6649SAlexander Langer# Accton EN1207D `Cheetah' adapter, which uses a chip called 1902d61e6649SAlexander Langer# the MPX 5030/5038, which is either a RealTek in disguise or a 1903d61e6649SAlexander Langer# RealTek workalike. Note that the D-Link DFE-530TX+ uses the RealTek 1904d61e6649SAlexander Langer# chipset and is supported by this driver, not the 'vr' driver. 1905b38b13d8SKevin Lo# rtwn: RealTek wireless adapters. 1906b38b13d8SKevin Lo# rtwnfw: RealTek wireless firmware. 1907d193ed0bSPyun YongHyeon# sge: Silicon Integrated Systems SiS190/191 Fast/Gigabit Ethernet adapter 1908b2ca5572SAlexander Langer# sis: Support for NICs based on the Silicon Integrated Systems SiS 900, 1909b2ca5572SAlexander Langer# SiS 7016 and NS DP83815 PCI fast ethernet controller chips. 1910d61e6649SAlexander Langer# sk: Support for the SysKonnect SK-984x series PCI gigabit ethernet NICs. 1911d61e6649SAlexander Langer# This includes the SK-9841 and SK-9842 single port cards (single mode 1912d61e6649SAlexander Langer# and multimode fiber) and the SK-9843 and SK-9844 dual port cards 1913d61e6649SAlexander Langer# (also single mode and multimode). 1914d61e6649SAlexander Langer# The driver will autodetect the number of ports on the card and 1915d61e6649SAlexander Langer# attach each one as a separate network interface. 1916d61e6649SAlexander Langer# ste: Sundance Technologies ST201 PCI fast ethernet controller, includes 1917d61e6649SAlexander Langer# the D-Link DFE-550TX. 1918d497bdf1SPyun YongHyeon# stge: Support for gigabit ethernet adapters based on the Sundance/Tamarack 1919d497bdf1SPyun YongHyeon# TC9021 family of controllers, including the Sundance ST2021/ST2023, 1920d497bdf1SPyun YongHyeon# the Sundance/Tamarack TC9021, the D-Link DL-4000 and ASUS NX1101. 1921d61e6649SAlexander Langer# ti: Support for PCI gigabit ethernet NICs based on the Alteon Networks 1922d61e6649SAlexander Langer# Tigon 1 and Tigon 2 chipsets. This includes the Alteon AceNIC, the 1923c86eb67fSDmitry Morozovsky# 3Com 3c985, the Netgear GA620 and various others. Note that you will 1924c86eb67fSDmitry Morozovsky# probably want to bump up kern.ipc.nmbclusters a lot to use this driver. 1925d61e6649SAlexander Langer# vr: Support for various fast ethernet adapters based on the VIA 1926d61e6649SAlexander Langer# Technologies VT3043 `Rhine I' and VT86C100A `Rhine II' chips, 1927e83bcc01SGavin Atkinson# including the D-Link DFE520TX and D-Link DFE530TX (see 'rl' for 1928e83bcc01SGavin Atkinson# DFE530TX+), the Hawking Technologies PN102TX, and the AOpen/Acer ALN-320. 19292608aefcSPyun YongHyeon# vte: DM&P Vortex86 RDC R6040 Fast Ethernet 19307f5092f3SJohn Baldwin# wi: Lucent WaveLAN/IEEE 802.11 PCMCIA adapters. Note: this supports both 19317f5092f3SJohn Baldwin# the PCMCIA and ISA cards: the ISA card is really a PCMCIA to ISA 19327f5092f3SJohn Baldwin# bridge with a PCMCIA adapter plugged into it. 1933d61e6649SAlexander Langer# xl: Support for the 3Com 3c900, 3c905, 3c905B and 3c905C (Fast) 1934d61e6649SAlexander Langer# Etherlink XL cards and integrated controllers. This includes the 1935d61e6649SAlexander Langer# integrated 3c905B-TX chips in certain Dell Optiplex and Dell 1936d61e6649SAlexander Langer# Precision desktop machines and the integrated 3c905-TX chips 1937d61e6649SAlexander Langer# in Dell Latitude laptop docking stations. 1938d61e6649SAlexander Langer# Also supported: 3Com 3c980(C)-TX, 3Com 3cSOHO100-TX, 3Com 3c450-TX 1939d61e6649SAlexander Langer 194086d99b68SWarner Losh# Order for ISA devices is important here 19417f5092f3SJohn Baldwin 19427f5092f3SJohn Baldwindevice an 19437f5092f3SJohn Baldwindevice wi 19447f5092f3SJohn Baldwin 1945d61e6649SAlexander Langer# PCI Ethernet NICs that use the common MII bus controller code. 1946ba26d470SStanislav Sedovdevice ae # Attansic/Atheros L2 FastEthernet 1947cfef026aSPyun YongHyeondevice age # Attansic/Atheros L1 Gigabit Ethernet 1948d68875ebSPyun YongHyeondevice alc # Atheros AR8131/AR8132 Ethernet 19493c6e15bcSPyun YongHyeondevice ale # Atheros AR8121/AR8113/AR8114 Ethernet 1950343ed0a8SJohn Baldwindevice bce # Broadcom BCM5706/BCM5708 Gigabit Ethernet 1951343ed0a8SJohn Baldwindevice bfe # Broadcom BCM440x 10/100 Ethernet 1952343ed0a8SJohn Baldwindevice bge # Broadcom BCM570xx Gigabit Ethernet 1953119051cbSMarius Strobldevice cas # Sun Cassini/Cassini+ and NS DP83065 Saturn 1954d61e6649SAlexander Langerdevice dc # DEC/Intel 21143 and various workalikes 19554d52a575SXin LIdevice et # Agere ET1310 10/100/Gigabit Ethernet 19564664a8d5SJonathan Lemondevice fxp # Intel EtherExpress PRO/100B (82557, 82558) 1957*f9ba2bbeSWarner Loshenvvar hint.fxp.0.prefer_iomap="0" 19581ed3fed7SMarius Strobldevice gem # Apple GMAC/Sun ERI/Sun GEM 195952c07e1cSMarius Strobldevice hme # Sun HME (Happy Meal Ethernet) 19600587cad8SPyun YongHyeondevice jme # JMicron JMC250 Gigabit/JMC260 Fast Ethernet 1961343ed0a8SJohn Baldwindevice lge # Level 1 LXT1001 gigabit Ethernet 1962c9c8bf05SHans Petter Selaskydevice mlxfw # Mellanox firmware update module 196322f2c49aSHans Petter Selaskydevice mlx5 # Shared code module between IB and Ethernet 196422f2c49aSHans Petter Selaskydevice mlx5en # Mellanox ConnectX-4 and ConnectX-4 LX 19650587cad8SPyun YongHyeondevice msk # Marvell/SysKonnect Yukon II Gigabit Ethernet 1966d3d67116SMaxim Sobolevdevice my # Myson Fast Ethernet (MTD80X, MTD89X) 1967343ed0a8SJohn Baldwindevice nge # NatSemi DP83820 gigabit Ethernet 19680587cad8SPyun YongHyeondevice re # RealTek 8139C+/8169/8169S/8110S 1969d61e6649SAlexander Langerdevice rl # RealTek 8129/8139 1970d193ed0bSPyun YongHyeondevice sge # Silicon Integrated Systems SiS190/191 1971d61e6649SAlexander Langerdevice sis # Silicon Integrated Systems SiS 900/SiS 7016 1972343ed0a8SJohn Baldwindevice sk # SysKonnect SK-984x & SK-982x gigabit Ethernet 1973d61e6649SAlexander Langerdevice ste # Sundance ST201 (D-Link DFE-550TX) 19740587cad8SPyun YongHyeondevice stge # Sundance/Tamarack TC9021 gigabit Ethernet 1975d61e6649SAlexander Langerdevice vr # VIA Rhine, Rhine II 19762608aefcSPyun YongHyeondevice vte # DM&P Vortex86 RDC R6040 Fast Ethernet 1977d61e6649SAlexander Langerdevice xl # 3Com 3c90x (``Boomerang'', ``Cyclone'') 1978d61e6649SAlexander Langer 1979c75f49f7SKonstantin Belousov# PCI/PCI-X/PCIe Ethernet NICs that use iflib infrastructure 1980c75f49f7SKonstantin Belousovdevice iflib 1981c75f49f7SKonstantin Belousovdevice em # Intel Pro/1000 Gigabit Ethernet 1982c75f49f7SKonstantin Belousovdevice ix # Intel Pro/10Gbe PCIE Ethernet 1983c75f49f7SKonstantin Belousovdevice ixv # Intel Pro/10Gbe PCIE Ethernet VF 1984c75f49f7SKonstantin Belousov 1985d61e6649SAlexander Langer# PCI Ethernet NICs. 19867f687043SJohn Baldwindevice cxgb # Chelsio T3 10 Gigabit Ethernet 19877f687043SJohn Baldwindevice cxgb_t3fw # Chelsio T3 10 Gigabit Ethernet firmware 1988a74031a5SJohn Baldwindevice cxgbe # Chelsio T4-T6 1/10/25/40/100 Gigabit Ethernet 1989a74031a5SJohn Baldwindevice cxgbev # Chelsio T4-T6 Virtual Functions 199044ac0964SMarius Strobldevice le # AMD Am7900 LANCE and Am79C9xx PCnet 1991f9ae0280SAndrew Gallatindevice mxge # Myricom Myri-10G 10GbE NIC 19922f345d8eSLuigi Rizzodevice oce # Emulex 10 GbE (OneConnect Ethernet) 19936e535f6eSRemko Lodderdevice ti # Alteon Networks Tigon I/II gigabit Ethernet 1994d61e6649SAlexander Langer 1995390cee87SJohn Baldwin# PCI IEEE 802.11 Wireless NICs 1996390cee87SJohn Baldwindevice ath # Atheros pci/cardbus NIC's 1997390cee87SJohn Baldwindevice ath_hal # pci/cardbus chip support 1998390cee87SJohn Baldwin#device ath_ar5210 # AR5210 chips 1999390cee87SJohn Baldwin#device ath_ar5211 # AR5211 chips 2000390cee87SJohn Baldwin#device ath_ar5212 # AR5212 chips 2001390cee87SJohn Baldwin#device ath_rf2413 2002390cee87SJohn Baldwin#device ath_rf2417 2003390cee87SJohn Baldwin#device ath_rf2425 2004390cee87SJohn Baldwin#device ath_rf5111 2005390cee87SJohn Baldwin#device ath_rf5112 2006390cee87SJohn Baldwin#device ath_rf5413 2007390cee87SJohn Baldwin#device ath_ar5416 # AR5416 chips 2008bc391cb2SWarner Losh# All of the AR5212 parts have a problem when paired with the AR71xx 2009bc391cb2SWarner Losh# CPUS. These parts have a bug that triggers a fatal bus error on the AR71xx 2010bc391cb2SWarner Losh# only. Details of the exact nature of the bug are sketchy, but some can be 2011bc391cb2SWarner Losh# found at https://forum.openwrt.org/viewtopic.php?pid=70060 on pages 4, 5 and 2012bc391cb2SWarner Losh# 6. This option enables this workaround. There is a performance penalty 2013bc391cb2SWarner Losh# for this work around, but without it things don't work at all. The DMA 2014bc391cb2SWarner Losh# from the card usually bursts 128 bytes, but on the affected CPUs, only 2015bc391cb2SWarner Losh# 4 are safe. 2016bc391cb2SWarner Loshoptions AH_RXCFG_SDMAMW_4BYTES 2017390cee87SJohn Baldwin#device ath_ar9160 # AR9160 chips 2018390cee87SJohn Baldwin#device ath_ar9280 # AR9280 chips 201958c4a5a1SRui Paulo#device ath_ar9285 # AR9285 chips 2020390cee87SJohn Baldwindevice ath_rate_sample # SampleRate tx rate control for ath 2021390cee87SJohn Baldwindevice bwi # Broadcom BCM430* BCM431* 2022eb5ef23cSWeongyo Jeongdevice bwn # Broadcom BCM43xx 2023d1f25d5dSBernhard Schmidtdevice malo # Marvell Libertas wireless NICs. 2024d1f25d5dSBernhard Schmidtdevice mwl # Marvell 88W8363 802.11n wireless NICs. 2025778eefa4SJohn Baldwindevice mwlfw 2026390cee87SJohn Baldwindevice ral # Ralink Technology RT2500 wireless NICs. 2027b38b13d8SKevin Lodevice rtwn # Realtek wireless NICs 2028b38b13d8SKevin Lodevice rtwnfw 2029390cee87SJohn Baldwin 203010a4360cSPyun YongHyeon# Use sf_buf(9) interface for jumbo buffers on ti(4) controllers. 203110a4360cSPyun YongHyeon#options TI_SF_BUF_JUMBO 203298cb733cSKenneth D. Merry# Turn on the header splitting option for the ti(4) driver firmware. This 203398cb733cSKenneth D. Merry# only works for Tigon II chips, and has no effect for Tigon I chips. 203410a4360cSPyun YongHyeon# This option requires the TI_SF_BUF_JUMBO option above. 2035b590f210SPyun YongHyeon#options TI_JUMBO_HDRSPLIT 203698cb733cSKenneth D. Merry 20372c8f5a28SKenneth D. Merry# These two options allow manipulating the mbuf cluster size and mbuf size, 20382c8f5a28SKenneth D. Merry# respectively. Be very careful with NIC driver modules when changing 20392c8f5a28SKenneth D. Merry# these from their default values, because that can potentially cause a 20402c8f5a28SKenneth D. Merry# mismatch between the mbuf size assumed by the kernel and the mbuf size 20412c8f5a28SKenneth D. Merry# assumed by a module. The only driver that currently has the ability to 20422c8f5a28SKenneth D. Merry# detect a mismatch is ti(4). 20432c8f5a28SKenneth D. Merryoptions MCLSHIFT=12 # mbuf cluster shift in bits, 12 == 4KB 20442c8f5a28SKenneth D. Merryoptions MSIZE=512 # mbuf size in bytes 20452c8f5a28SKenneth D. Merry 2046c19da41eSPeter Wemm# 20470739ea1dSSeigo Tanimura# Sound drivers 2048c19da41eSPeter Wemm# 20490739ea1dSSeigo Tanimura# sound: The generic sound driver. 2050c7406082SJohn-Mark Gurney# 20510739ea1dSSeigo Tanimura 20520739ea1dSSeigo Tanimuradevice sound 20530739ea1dSSeigo Tanimura 20540739ea1dSSeigo Tanimura# 20550739ea1dSSeigo Tanimura# snd_*: Device-specific drivers. 2056c7406082SJohn-Mark Gurney# 20579c0ef6d5SOliver Fromme# The flags of the device tell the device a bit more info about the 20587f5092f3SJohn Baldwin# device that normally is obtained through the PnP interface. 20597f5092f3SJohn Baldwin# bit 2..0 secondary DMA channel; 20607f5092f3SJohn Baldwin# bit 4 set if the board uses two dma channels; 20617f5092f3SJohn Baldwin# bit 15..8 board type, overrides autodetection; leave it 20627f5092f3SJohn Baldwin# zero if don't know what to put in (and you don't, 20637f5092f3SJohn Baldwin# since this is unsupported at the moment...). 20647f5092f3SJohn Baldwin# 2065c3a730dfSJoel Dahl# snd_ad1816: Analog Devices AD1816 ISA PnP/non-PnP. 20660739ea1dSSeigo Tanimura# snd_als4000: Avance Logic ALS4000 PCI. 2067d9bde1adSAriff Abdullah# snd_atiixp: ATI IXP 200/300/400 PCI. 20680739ea1dSSeigo Tanimura# snd_cmi: CMedia CMI8338/CMI8738 PCI. 20690739ea1dSSeigo Tanimura# snd_cs4281: Crystal Semiconductor CS4281 PCI. 20700739ea1dSSeigo Tanimura# snd_csa: Crystal Semiconductor CS461x/428x PCI. (except 20710739ea1dSSeigo Tanimura# 4281) 20720739ea1dSSeigo Tanimura# snd_ds1: Yamaha DS-1 PCI. 20730739ea1dSSeigo Tanimura# snd_emu10k1: Creative EMU10K1 PCI and EMU10K2 (Audigy) PCI. 20740fa7ab6aSAlexander Leidinger# snd_emu10kx: Creative SoundBlaster Live! and Audigy 20759f548240SAlexander Leidinger# snd_envy24: VIA Envy24 and compatible, needs snd_spicds. 20769f548240SAlexander Leidinger# snd_envy24ht: VIA Envy24HT and compatible, needs snd_spicds. 20770739ea1dSSeigo Tanimura# snd_es137x: Ensoniq AudioPCI ES137x PCI. 2078727ded3aSJoel Dahl# snd_ess: Ensoniq ESS ISA PnP/non-PnP, to be used in 2079727ded3aSJoel Dahl# conjunction with snd_sbc. 20800739ea1dSSeigo Tanimura# snd_fm801: Forte Media FM801 PCI. 20810739ea1dSSeigo Tanimura# snd_gusc: Gravis UltraSound ISA PnP/non-PnP. 20824b8939a1SAriff Abdullah# snd_hda: Intel High Definition Audio (Controller) and 20834b8939a1SAriff Abdullah# compatible. 2084e4afd792SAlexander Motin# snd_hdspe: RME HDSPe AIO and RayDAT. 208517470869SAlexander Motin# snd_ich: Intel ICH AC'97 and some more audio controllers 2086903b2fb9SJoel Dahl# embedded in a chipset, for example nVidia 2087903b2fb9SJoel Dahl# nForce controllers. 20880739ea1dSSeigo Tanimura# snd_maestro: ESS Technology Maestro-1/2x PCI. 20890739ea1dSSeigo Tanimura# snd_maestro3: ESS Technology Maestro-3/Allegro PCI. 20900739ea1dSSeigo Tanimura# snd_mss: Microsoft Sound System ISA PnP/non-PnP. 20910739ea1dSSeigo Tanimura# snd_neomagic: Neomagic 256 AV/ZX PCI. 20920739ea1dSSeigo Tanimura# snd_sb16: Creative SoundBlaster16, to be used in 20931c9c6382SRuslan Ermilov# conjunction with snd_sbc. 20940739ea1dSSeigo Tanimura# snd_sb8: Creative SoundBlaster (pre-16), to be used in 20951c9c6382SRuslan Ermilov# conjunction with snd_sbc. 20960739ea1dSSeigo Tanimura# snd_sbc: Creative SoundBlaster ISA PnP/non-PnP. 20977f5092f3SJohn Baldwin# Supports ESS and Avance ISA chips as well. 20980739ea1dSSeigo Tanimura# snd_solo: ESS Solo-1x PCI. 2099de8d750fSJoel Dahl# snd_spicds: SPI codec driver, needed by Envy24/Envy24HT drivers. 2100903b2fb9SJoel Dahl# snd_t4dwave: Trident 4DWave DX/NX PCI, Sis 7018 PCI and Acer Labs 21010739ea1dSSeigo Tanimura# M5451 PCI. 2102de8d750fSJoel Dahl# snd_uaudio: USB audio. 21030739ea1dSSeigo Tanimura# snd_via8233: VIA VT8233x PCI. 21040739ea1dSSeigo Tanimura# snd_via82c686: VIA VT82C686A PCI. 21050739ea1dSSeigo Tanimura# snd_vibes: S3 Sonicvibes PCI. 210681bb901eSPeter Wemm 2107f37a929cSPeter Wemmdevice snd_ad1816 2108f37a929cSPeter Wemmdevice snd_als4000 2109d9bde1adSAriff Abdullahdevice snd_atiixp 21100739ea1dSSeigo Tanimuradevice snd_cmi 2111f37a929cSPeter Wemmdevice snd_cs4281 21120739ea1dSSeigo Tanimuradevice snd_csa 2113f37a929cSPeter Wemmdevice snd_ds1 2114f37a929cSPeter Wemmdevice snd_emu10k1 21150fa7ab6aSAlexander Leidingerdevice snd_emu10kx 2116b1ff0220SAlexander Leidingerdevice snd_envy24 21179f548240SAlexander Leidingerdevice snd_envy24ht 2118f37a929cSPeter Wemmdevice snd_es137x 21190739ea1dSSeigo Tanimuradevice snd_ess 2120f37a929cSPeter Wemmdevice snd_fm801 21210739ea1dSSeigo Tanimuradevice snd_gusc 21224b8939a1SAriff Abdullahdevice snd_hda 2123e4afd792SAlexander Motindevice snd_hdspe 21240739ea1dSSeigo Tanimuradevice snd_ich 21250739ea1dSSeigo Tanimuradevice snd_maestro 2126f37a929cSPeter Wemmdevice snd_maestro3 21270739ea1dSSeigo Tanimuradevice snd_mss 21280739ea1dSSeigo Tanimuradevice snd_neomagic 2129f37a929cSPeter Wemmdevice snd_sb16 2130f37a929cSPeter Wemmdevice snd_sb8 21310739ea1dSSeigo Tanimuradevice snd_sbc 21320739ea1dSSeigo Tanimuradevice snd_solo 21339f548240SAlexander Leidingerdevice snd_spicds 2134f37a929cSPeter Wemmdevice snd_t4dwave 2135de8d750fSJoel Dahldevice snd_uaudio 2136f37a929cSPeter Wemmdevice snd_via8233 2137f37a929cSPeter Wemmdevice snd_via82c686 21380739ea1dSSeigo Tanimuradevice snd_vibes 2139c19da41eSPeter Wemm 21401c9c6382SRuslan Ermilov# For non-PnP sound cards: 2141*f9ba2bbeSWarner Loshenvvar hint.pcm.0.at="isa" 2142*f9ba2bbeSWarner Loshenvvar hint.pcm.0.irq="10" 2143*f9ba2bbeSWarner Loshenvvar hint.pcm.0.drq="1" 2144*f9ba2bbeSWarner Loshenvvar hint.pcm.0.flags="0x0" 2145*f9ba2bbeSWarner Loshenvvar hint.sbc.0.at="isa" 2146*f9ba2bbeSWarner Loshenvvar hint.sbc.0.port="0x220" 2147*f9ba2bbeSWarner Loshenvvar hint.sbc.0.irq="5" 2148*f9ba2bbeSWarner Loshenvvar hint.sbc.0.drq="1" 2149*f9ba2bbeSWarner Loshenvvar hint.sbc.0.flags="0x15" 2150*f9ba2bbeSWarner Loshenvvar hint.gusc.0.at="isa" 2151*f9ba2bbeSWarner Loshenvvar hint.gusc.0.port="0x220" 2152*f9ba2bbeSWarner Loshenvvar hint.gusc.0.irq="5" 2153*f9ba2bbeSWarner Loshenvvar hint.gusc.0.drq="1" 2154*f9ba2bbeSWarner Loshenvvar hint.gusc.0.flags="0x13" 21557f5092f3SJohn Baldwin 21566a8d6623SGarrett Wollman# 215718fe4678SAriff Abdullah# Following options are intended for debugging/testing purposes: 215818fe4678SAriff Abdullah# 215918fe4678SAriff Abdullah# SND_DEBUG Enable extra debugging code that includes 216018fe4678SAriff Abdullah# sanity checking and possible increase of 216118fe4678SAriff Abdullah# verbosity. 216218fe4678SAriff Abdullah# 2163d51e8487SJosh Paetzel# SND_DIAGNOSTIC Similar in a spirit of INVARIANTS/DIAGNOSTIC, 216418fe4678SAriff Abdullah# zero tolerance against inconsistencies. 216518fe4678SAriff Abdullah# 216618fe4678SAriff Abdullah# SND_FEEDER_MULTIFORMAT By default, only 16/32 bit feeders are compiled 216718fe4678SAriff Abdullah# in. This options enable most feeder converters 216818fe4678SAriff Abdullah# except for 8bit. WARNING: May bloat the kernel. 216918fe4678SAriff Abdullah# 217018fe4678SAriff Abdullah# SND_FEEDER_FULL_MULTIFORMAT Ditto, but includes 8bit feeders as well. 217118fe4678SAriff Abdullah# 217218fe4678SAriff Abdullah# SND_FEEDER_RATE_HP (feeder_rate) High precision 64bit arithmetic 217318fe4678SAriff Abdullah# as much as possible (the default trying to 217418fe4678SAriff Abdullah# avoid it). Possible slowdown. 217518fe4678SAriff Abdullah# 217618fe4678SAriff Abdullah# SND_PCM_64 (Only applicable for i386/32bit arch) 217718fe4678SAriff Abdullah# Process 32bit samples through 64bit 217818fe4678SAriff Abdullah# integer/arithmetic. Slight increase of dynamic 217918fe4678SAriff Abdullah# range at a cost of possible slowdown. 218018fe4678SAriff Abdullah# 218118fe4678SAriff Abdullah# SND_OLDSTEREO Only 2 channels are allowed, effectively 218218fe4678SAriff Abdullah# disabling multichannel processing. 218318fe4678SAriff Abdullah# 218418fe4678SAriff Abdullahoptions SND_DEBUG 218518fe4678SAriff Abdullahoptions SND_DIAGNOSTIC 218618fe4678SAriff Abdullahoptions SND_FEEDER_MULTIFORMAT 218718fe4678SAriff Abdullahoptions SND_FEEDER_FULL_MULTIFORMAT 218818fe4678SAriff Abdullahoptions SND_FEEDER_RATE_HP 218918fe4678SAriff Abdullahoptions SND_PCM_64 219018fe4678SAriff Abdullahoptions SND_OLDSTEREO 219118fe4678SAriff Abdullah 219218fe4678SAriff Abdullah# 2193567e21c2SBruce Evans# Miscellaneous hardware: 21946a8d6623SGarrett Wollman# 2195603d67aeSRink Springer# cmx: OmniKey CardMan 4040 pccard smartcard reader 2196657e73c4SPeter Dufault 2197603d67aeSRink Springerdevice cmx 2198a800f455SJulian Elischer 2199eeb706c0SJustin T. Gibbs# 22006e818956SDavid E. O'Brien# PC Card/PCMCIA and Cardbus 22016e818956SDavid E. O'Brien# 22025bcb64f2SWarner Losh# cbb: pci/cardbus bridge implementing YENTA interface 22036e818956SDavid E. O'Brien# pccard: pccard slots 22046e818956SDavid E. O'Brien# cardbus: cardbus slots 22056e818956SDavid E. O'Briendevice cbb 22066e818956SDavid E. O'Briendevice pccard 22076e818956SDavid E. O'Briendevice cardbus 22086e818956SDavid E. O'Brien 22096e818956SDavid E. O'Brien# 22105bcb64f2SWarner Losh# MMC/SD 22115bcb64f2SWarner Losh# 2212831f5dcfSAlexander Motin# mmc MMC/SD bus 2213831f5dcfSAlexander Motin# mmcsd MMC/SD memory card 2214831f5dcfSAlexander Motin# sdhci Generic PCI SD Host Controller 2215831f5dcfSAlexander Motin# 2216831f5dcfSAlexander Motindevice mmc 2217831f5dcfSAlexander Motindevice mmcsd 2218831f5dcfSAlexander Motindevice sdhci 22195bcb64f2SWarner Losh 22205bcb64f2SWarner Losh# 22218afa373cSNicolas Souchu# SMB bus 22228afa373cSNicolas Souchu# 22233c5656bfSArchie Cobbs# System Management Bus support is provided by the 'smbus' device. 22243c5656bfSArchie Cobbs# Access to the SMBus device is via the 'smb' device (/dev/smb*), 22253c5656bfSArchie Cobbs# which is a child of the 'smbus' device. 22268afa373cSNicolas Souchu# 22278afa373cSNicolas Souchu# Supported devices: 22284d5f30e0SRuslan Ermilov# smb standard I/O through /dev/smb* 22298afa373cSNicolas Souchu# 22303c5656bfSArchie Cobbs# Supported SMB interfaces: 223128ebb692SNicolas Souchu# iicsmb I2C to SMB bridge with any iicbus interface 22327f5092f3SJohn Baldwin# intpm Intel PIIX4 (82371AB, 82443MX) Power Management Unit 22337f5092f3SJohn Baldwin# alpm Acer Aladdin-IV/V/Pro2 Power Management Unit 22347f5092f3SJohn Baldwin# ichsmb Intel ICH SMBus controller chips (82801AA, 82801AB, 82801BA) 22357f5092f3SJohn Baldwin# viapm VIA VT82C586B/596B/686A and VT8233 Power Management Unit 2236b1acc4a2SMurray Stokely# amdpm AMD 756 Power Management Unit 22374d5f30e0SRuslan Ermilov# amdsmb AMD 8111 SMBus 2.0 Controller 223844e6ce01SNicolas Souchu# nfpm NVIDIA nForce Power Management Unit 22394d5f30e0SRuslan Ermilov# nfsmb NVIDIA nForce2/3/4 MCP SMBus 2.0 Controller 22400572ccaaSJim Harris# ismt Intel SMBus 2.0 controller chips (on Atom S1200, C2000) 22418afa373cSNicolas Souchu# 2242c9953c3bSPeter Wemmdevice smbus # Bus support, required for smb below. 22433c5656bfSArchie Cobbs 22447f5092f3SJohn Baldwindevice intpm 22457f5092f3SJohn Baldwindevice alpm 22467f5092f3SJohn Baldwindevice ichsmb 22477f5092f3SJohn Baldwindevice viapm 224844e6ce01SNicolas Souchudevice amdpm 22494d5f30e0SRuslan Ermilovdevice amdsmb 225044e6ce01SNicolas Souchudevice nfpm 22514d5f30e0SRuslan Ermilovdevice nfsmb 22520572ccaaSJim Harrisdevice ismt 22537f5092f3SJohn Baldwin 2254c9953c3bSPeter Wemmdevice smb 22558afa373cSNicolas Souchu 22564afdfe97SAndriy Gapon# SMBus peripheral devices 22578afa373cSNicolas Souchu# 2258dcd935dfSRavi Pokala# jedec_dimm Asset and temperature reporting for DDR3 and DDR4 DIMMs 22594afdfe97SAndriy Gapon# 2260dcd935dfSRavi Pokaladevice jedec_dimm 22614afdfe97SAndriy Gapon 22628afa373cSNicolas Souchu# I2C Bus 22638afa373cSNicolas Souchu# 22648afa373cSNicolas Souchu# Philips i2c bus support is provided by the `iicbus' device. 22658afa373cSNicolas Souchu# 22668afa373cSNicolas Souchu# Supported devices: 22678afa373cSNicolas Souchu# ic i2c network interface 22688afa373cSNicolas Souchu# iic i2c standard io 2269f7d09fbaSNicolas Souchu# iicsmb i2c to smb bridge. Allow i2c i/o with smb commands. 22701ab68cbbSJayachandran C.# iicoc simple polling driver for OpenCores I2C controller 22718afa373cSNicolas Souchu# 227228ebb692SNicolas Souchu# Other: 2273daba5aceSWarner Losh# iicbb generic I2C bit-banging code (needed by lpbb) 22748afa373cSNicolas Souchu# 2275c9953c3bSPeter Wemmdevice iicbus # Bus support, required for ic/iic/iicsmb below. 22766f3bd9a6SIan Leporedevice iicbb # bitbang driver; implements i2c on a pair of gpio pins 22778afa373cSNicolas Souchu 2278c9953c3bSPeter Wemmdevice ic 22796f3bd9a6SIan Leporedevice iic # userland access to i2c slave devices via ioctl(8) 2280c9953c3bSPeter Wemmdevice iicsmb # smb over i2c bridge 22811ab68cbbSJayachandran C.device iicoc # OpenCores I2C controller support 22828afa373cSNicolas Souchu 2283422d05daSIan Lepore# I2C bus multiplexer (mux) devices 2284422d05daSIan Leporedevice iicmux # i2c mux core driver 2285422d05daSIan Leporedevice iic_gpiomux # i2c mux hardware controlled via gpio pins 2286422d05daSIan Leporedevice ltc430x # LTC4305 and LTC4306 i2c mux chips 2287422d05daSIan Lepore 2288286fa445SRafal Jaworowski# I2C peripheral devices 2289286fa445SRafal Jaworowski# 2290ac6a9e47SIan Leporedevice ad7418 # Analog Devices temp and voltage sensor 22915177d294SIan Leporedevice ads111x # Texas Instruments ADS101x and ADS111x ADCs 229246ec180eSIan Leporedevice ds1307 # Dallas DS1307 RTC and compatible 2293bb2e8108SIan Leporedevice ds13rtc # All Dallas/Maxim ds13xx chips 229446ec180eSIan Leporedevice ds1672 # Dallas DS1672 RTC 229546ec180eSIan Leporedevice ds3231 # Dallas DS3231 RTC + temperature 229646ec180eSIan Leporedevice icee # AT24Cxxx and compatible EEPROMs 2297ac6a9e47SIan Leporedevice isl12xx # Intersil ISL12xx RTC 229846ec180eSIan Leporedevice lm75 # LM75 compatible temperature sensor 229946ec180eSIan Leporedevice nxprtc # NXP RTCs: PCA/PFC212x PCA/PCF85xx 2300ac6a9e47SIan Leporedevice rtc8583 # Epson RTC-8583 230146ec180eSIan Leporedevice s35390a # Seiko Instruments S-35390A RTC 2302ac6a9e47SIan Leporedevice sy8106a # Silergy Corp. SY8106A buck regulator 2303ac6a9e47SIan Leporedevice syr827 # Silergy Corp. DC/DC regulator 2304286fa445SRafal Jaworowski 2305ab4c624bSMike Smith# Parallel-Port Bus 2306ab4c624bSMike Smith# 2307ab4c624bSMike Smith# Parallel port bus support is provided by the `ppbus' device. 2308ab4c624bSMike Smith# Multiple devices may be attached to the parallel port, devices 2309ab4c624bSMike Smith# are automatically probed and attached when found. 2310ab4c624bSMike Smith# 2311ab4c624bSMike Smith# Supported devices: 2312fdf94d1aSNicolas Souchu# lpt Parallel Printer 231346f3ff79SMike Smith# plip Parallel network interface 2314fdf94d1aSNicolas Souchu# ppi General-purpose I/O ("Geek Port") + IEEE1284 I/O 2315f7d09fbaSNicolas Souchu# pps Pulse per second Timing Interface 231628ebb692SNicolas Souchu# lpbb Philips official parallel port I2C bit-banging interface 23171caef332SWojciech A. Koszek# pcfclock Parallel port clock driver. 2318ab4c624bSMike Smith# 2319ab4c624bSMike Smith# Supported interfaces: 2320ab4c624bSMike Smith# ppc ISA-bus parallel port interfaces. 2321ab4c624bSMike Smith# 2322ef8f7626SNicolas Souchu 23230f210c92SNicolas Souchuoptions PPC_PROBE_CHIPSET # Enable chipset specific detection 23240f210c92SNicolas Souchu # (see flags in ppc(4)) 23255895e3c8SPeter Wemmoptions DEBUG_1284 # IEEE1284 signaling protocol debug 23269d5abbddSJens Schweikhardtoptions PERIPH_1284 # Makes your computer act as an IEEE1284 2327ef8f7626SNicolas Souchu # compliant peripheral 23285895e3c8SPeter Wemmoptions DONTPROBE_1284 # Avoid boot detection of PnP parallel devices 23295895e3c8SPeter Wemmoptions LPT_DEBUG # Printer driver debug 23305895e3c8SPeter Wemmoptions PPC_DEBUG # Parallel chipset level debug 23315895e3c8SPeter Wemmoptions PLIP_DEBUG # Parallel network IP interface debug 23323b2d592cSJordan K. Hubbardoptions PCFCLOCK_VERBOSE # Verbose pcfclock driver 23333b2d592cSJordan K. Hubbardoptions PCFCLOCK_MAX_RETRIES=5 # Maximum read tries (default 10) 2334ef8f7626SNicolas Souchu 2335f71c01ccSPeter Wemmdevice ppc 2336*f9ba2bbeSWarner Loshenvvar hint.ppc.0.at="isa" 2337*f9ba2bbeSWarner Loshenvvar hint.ppc.0.irq="7" 23380d31b179SPeter Wemmdevice ppbus 23390d31b179SPeter Wemmdevice lpt 23400d31b179SPeter Wemmdevice plip 23410d31b179SPeter Wemmdevice ppi 23420d31b179SPeter Wemmdevice pps 23430d31b179SPeter Wemmdevice lpbb 23440d31b179SPeter Wemmdevice pcfclock 2345ab4c624bSMike Smith 23466e36309dSIan Lepore# General Purpose I/O pins 2347446e035cSRuslan Bukindevice dwgpio # Synopsys DesignWare APB GPIO Controller 23486e36309dSIan Leporedevice gpio # gpio interfaces and bus support 23496e36309dSIan Leporedevice gpiobacklight # sysctl control of gpio-based backlight 23506e36309dSIan Leporedevice gpioiic # i2c via gpio bitbang 23516e36309dSIan Leporedevice gpiokeys # kbd(4) glue for gpio-based key input 23526e36309dSIan Leporedevice gpioled # led(4) gpio glue 23536e36309dSIan Leporedevice gpiopower # event handler for gpio-based powerdown 23546e36309dSIan Leporedevice gpiopps # Pulse per second input from gpio pin 23556e36309dSIan Leporedevice gpioregulator # extres/regulator glue for gpio pin 23566e36309dSIan Leporedevice gpiospi # SPI via gpio bitbang 23576e36309dSIan Leporedevice gpioths # 1-wire temp/humidity sensor on gpio pin 23586e36309dSIan Lepore 23590bab2b6eSIan Lepore# Pulse width modulation 23600bab2b6eSIan Leporedevice pwmbus # pwm interface and bus support 23610bab2b6eSIan Leporedevice pwmc # userland control access to pwm outputs 23620bab2b6eSIan Lepore 2363f45757caSChristian Brueffer# 2364f45757caSChristian Brueffer# Etherswitch framework and drivers 2365f45757caSChristian Brueffer# 2366f45757caSChristian Brueffer# etherswitch The etherswitch(4) framework 2367f45757caSChristian Brueffer# miiproxy Proxy device for miibus(4) functionality 2368f45757caSChristian Brueffer# 2369f45757caSChristian Brueffer# Switch hardware support: 2370f45757caSChristian Brueffer# arswitch Atheros switches 2371f45757caSChristian Brueffer# ip17x IC+ 17x family switches 2372f45757caSChristian Brueffer# rtl8366r Realtek RTL8366 switches 2373f45757caSChristian Brueffer# ukswitch Multi-PHY switches 2374f45757caSChristian Brueffer# 2375f45757caSChristian Bruefferdevice etherswitch 2376f45757caSChristian Bruefferdevice miiproxy 2377f45757caSChristian Bruefferdevice arswitch 2378f45757caSChristian Bruefferdevice ip17x 2379f45757caSChristian Bruefferdevice rtl8366rb 2380f45757caSChristian Bruefferdevice ukswitch 2381f45757caSChristian Brueffer 23820ac40133SBrian Somers# Kernel BOOTP support 23830ac40133SBrian Somers 23840ac40133SBrian Somersoptions BOOTP # Use BOOTP to obtain IP address/hostname 2385c15882f0SRick Macklem # Requires NFSCL and NFS_ROOT 23860ac40133SBrian Somersoptions BOOTP_NFSROOT # NFS mount root filesystem using BOOTP info 23870ac40133SBrian Somersoptions BOOTP_NFSV3 # Use NFS v3 to NFS mount root 23880ac40133SBrian Somersoptions BOOTP_COMPAT # Workaround for broken bootp daemons. 23890ac40133SBrian Somersoptions BOOTP_WIRED_TO=fxp0 # Use interface fxp0 for BOOTP 2390eead3ae9SBenno Riceoptions BOOTP_BLOCKSIZE=8192 # Override NFS block size 2391432aad0eSTor Egge 2392d94f38acSEivind Eklund# 2393d626b50bSMike Karels# Enable software watchdog routines, even if hardware watchdog is present. 2394d626b50bSMike Karels# By default, software watchdog timer is enabled only if no hardware watchdog 2395d626b50bSMike Karels# is present. 2396370c3cb5SSean Kelly# 23974103b765SPoul-Henning Kampoptions SW_WATCHDOG 2398370c3cb5SSean Kelly 2399370c3cb5SSean Kelly# 2400f7829d0dSAttilio Rao# Add the software deadlock resolver thread. 2401f7829d0dSAttilio Rao# 2402f7829d0dSAttilio Raooptions DEADLKRES 2403f7829d0dSAttilio Rao 2404f7829d0dSAttilio Rao# 2405b99d6e6fSDavid Schultz# Disable swapping of stack pages. This option removes all 24064e0ee531SMike Barcroft# code which actually performs swapping, so it's not possible to turn 24074e0ee531SMike Barcroft# it back on at run-time. 2408c796cfa1SAndrzej Bialecki# 2409c796cfa1SAndrzej Bialecki# This is sometimes usable for systems which don't have any swap space 24103c4c0efdSBryan Drewery# (see also sysctl "vm.disable_swapspace_pageouts") 2411c796cfa1SAndrzej Bialecki# 241219dde963SPeter Wemm#options NO_SWAPPING 2413c796cfa1SAndrzej Bialecki 24149dab0776SDavid Greenman# Set the number of sf_bufs to allocate. sf_bufs are virtual buffers 24159dab0776SDavid Greenman# for sendfile(2) that are used to map file VM pages, and normally 24169dab0776SDavid Greenman# default to a quantity that is roughly 16*MAXUSERS+512. You would 24179dab0776SDavid Greenman# typically want about 4 of these for each simultaneous file send. 24189dab0776SDavid Greenman# 24195895e3c8SPeter Wemmoptions NSFBUFS=1024 24209dab0776SDavid Greenman 242115a1057cSEivind Eklund# 2422053a2b61SEivind Eklund# Enable extra debugging code for locks. This stores the filename and 24239c0ef6d5SOliver Fromme# line of whatever acquired the lock in the lock itself, and changes a 2424053a2b61SEivind Eklund# number of function calls to pass around the relevant data. This is 24252c048c4aSBryan Drewery# not at all useful unless you are debugging lock code. Note that 24262c048c4aSBryan Drewery# modules should be recompiled as this option modifies KBI. 242715a1057cSEivind Eklund# 242815a1057cSEivind Eklundoptions DEBUG_LOCKS 242915a1057cSEivind Eklund 243026086a03SPeter Wemm 243126086a03SPeter Wemm##################################################################### 24321d33cf3dSNick Hibma# USB support 24331d33cf3dSNick Hibma# UHCI controller 2434c9953c3bSPeter Wemmdevice uhci 24351d33cf3dSNick Hibma# OHCI controller 2436c9953c3bSPeter Wemmdevice ohci 2437ca3acad1SBernd Walter# EHCI controller 2438ca3acad1SBernd Walterdevice ehci 2439857508a3SAndrew Thompson# XHCI controller 2440857508a3SAndrew Thompsondevice xhci 244139e5901eSTakanori Watanabe# SL811 Controller 2442b92755d1SAndrew Thompson#device slhci 24431d33cf3dSNick Hibma# General USB code (mandatory for USB) 2444c9953c3bSPeter Wemmdevice usb 24451d33cf3dSNick Hibma# 2446b5ea1f0cSNick Hibma# USB Double Bulk Pipe devices 2447b5ea1f0cSNick Hibmadevice udbp 24482d45d793SHans Petter Selasky# USB temperature meter 24492d45d793SHans Petter Selaskydevice ugold 24506bd03b20SKevin Lo# USB LED 24516bd03b20SKevin Lodevice uled 2452f26c33d2SNick Hibma# Human Interface Device (anything with buttons and dials) 2453c9953c3bSPeter Wemmdevice uhid 24541d33cf3dSNick Hibma# USB keyboard 2455c9953c3bSPeter Wemmdevice ukbd 24561d33cf3dSNick Hibma# USB printer 2457c9953c3bSPeter Wemmdevice ulpt 245831615ef7SRebecca Cran# USB mass storage driver (Requires scbus and da) 2459c9953c3bSPeter Wemmdevice umass 246031615ef7SRebecca Cran# USB mass storage driver for device-side mode 246131615ef7SRebecca Crandevice usfs 2462ce17576aSScott Long# USB support for Belkin F5U109 and Magic Control Technology serial adapters 2463ce17576aSScott Longdevice umct 2464e9fb12d3SNick Hibma# USB modem support 2465e9fb12d3SNick Hibmadevice umodem 2466f26c33d2SNick Hibma# USB mouse 2467c9953c3bSPeter Wemmdevice ums 2468eed447b5SHans Petter Selasky# USB touchpad(s) 2469eed447b5SHans Petter Selaskydevice atp 2470eed447b5SHans Petter Selaskydevice wsp 2471f25a8a01SGleb Smirnoff# eGalax USB touch screen 2472f25a8a01SGleb Smirnoffdevice uep 24731c9c6382SRuslan Ermilov# Diamond Rio 500 MP3 player 2474e2dbd15fSNick Hibmadevice urio 2475d1233ab3SBruce Evans# 2476916e6e02SJosef Karthauser# USB serial support 2477916e6e02SJosef Karthauserdevice ucom 2478fe75118bSNick Hibma# USB support for 3G modem cards by Option, Novatel, Huawei and Sierra 2479483b9e47SNick Hibmadevice u3g 24809aab0d96SMaxim Konovalov# USB support for Technologies ARK3116 based serial adapters 24819aab0d96SMaxim Konovalovdevice uark 2482d1233ab3SBruce Evans# USB support for Belkin F5U103 and compatible serial adapters 2483d1233ab3SBruce Evansdevice ubsa 248448b68edfSJosef Karthauser# USB support for serial adapters based on the FT8U100AX and FT8U232AM 248548b68edfSJosef Karthauserdevice uftdi 2486c5286e11STakanori Watanabe# USB support for some Windows CE based serial communication. 2487c5286e11STakanori Watanabedevice uipaq 248848b68edfSJosef Karthauser# USB support for Prolific PL-2303 serial adapters 2489916e6e02SJosef Karthauserdevice uplcom 24902e7328e7SRink Springer# USB support for Silicon Laboratories CP2101/CP2102 based USB serial adapters 24912e7328e7SRink Springerdevice uslcom 249248b68edfSJosef Karthauser# USB Visor and Palm devices 249348b68edfSJosef Karthauserdevice uvisor 2494d1233ab3SBruce Evans# USB serial support for DDI pocket's PHS 2495d1233ab3SBruce Evansdevice uvscom 2496f26c33d2SNick Hibma# 2497ff6b30b9SKevin Lo# USB ethernet support 2498ff6b30b9SKevin Lodevice uether 2499ed63a7aaSBill Paul# ADMtek USB ethernet. Supports the LinkSys USB100TX, 2500d04bb221SBill Paul# the Billionton USB100, the Melco LU-ATX, the D-Link DSB-650TX 2501d04bb221SBill Paul# and the SMC 2202USB. Also works with the ADMtek AN986 Pegasus 2502d04bb221SBill Paul# eval board. 2503c9953c3bSPeter Wemmdevice aue 2504bf029145SRobert Watson 2505bf029145SRobert Watson# ASIX Electronics AX88172 USB 2.0 ethernet driver. Used in the 2506bf029145SRobert Watson# LinkSys USB200M and various other adapters. 2507bf029145SRobert Watsondevice axe 250879eb99dfSLi-Wen Hsu# ASIX Electronics AX88178A/AX88179 USB 2.0/3.0 gigabit ethernet driver. 250979eb99dfSLi-Wen Hsudevice axge 2510bf029145SRobert Watson 2511dfd1e98eSBill Paul# 25126bcf0032SMaxim Sobolev# Devices which communicate using Ethernet over USB, particularly 25136bcf0032SMaxim Sobolev# Communication Device Class (CDC) Ethernet specification. Supports 25146bcf0032SMaxim Sobolev# Sharp Zaurus PDAs, some DOCSIS cable modems and so on. 25156bcf0032SMaxim Sobolevdevice cdce 25166bcf0032SMaxim Sobolev# 251701779872SBill Paul# CATC USB-EL1201A USB ethernet. Supports the CATC Netmate 251801779872SBill Paul# and Netmate II, and the Belkin F5U111. 2519c9953c3bSPeter Wemmdevice cue 252001779872SBill Paul# 2521dfd1e98eSBill Paul# Kawasaki LSI ethernet. Supports the LinkSys USB10T, 2522d04bb221SBill Paul# Entrega USB-NET-E45, Peracom Ethernet Adapter, the 2523d04bb221SBill Paul# 3Com 3c19250, the ADS Technologies USB-10BT, the ATen UC10T, 252401779872SBill Paul# the Netgear EA101, the D-Link DSB-650, the SMC 2102USB 252501779872SBill Paul# and 2104USB, and the Corega USB-T. 2526c9953c3bSPeter Wemmdevice kue 252711e04b05SShunsuke Akiyama# 252811e04b05SShunsuke Akiyama# RealTek RTL8150 USB to fast ethernet. Supports the Melco LUA-KTX 252911e04b05SShunsuke Akiyama# and the GREEN HOUSE GH-USB100B. 253011e04b05SShunsuke Akiyamadevice rue 2531cdd40f3bSMIHIRA Sanpei Yoshiro# 2532cdd40f3bSMIHIRA Sanpei Yoshiro# Davicom DM9601E USB to fast ethernet. Supports the Corega FEther USB-TXC. 2533cdd40f3bSMIHIRA Sanpei Yoshirodevice udav 2534941e2863SAndrew Thompson# 2535a24d62b5SKevin Lo# RealTek RTL8152/RTL8153 USB Ethernet driver 2536e1b74f21SKevin Lodevice ure 2537e1b74f21SKevin Lo# 253822445463SKevin Lo# Moschip MCS7730/MCS7840 USB to fast ethernet. Supports the Sitecom LN030. 253922445463SKevin Lodevice mos 254022445463SKevin Lo# 2541941e2863SAndrew Thompson# HSxPA devices from Option N.V 2542941e2863SAndrew Thompsondevice uhso 2543cdd40f3bSMIHIRA Sanpei Yoshiro 254431d98677SRui Paulo# Realtek RTL8188SU/RTL8191SU/RTL8192SU wireless driver 254531d98677SRui Paulodevice rsu 25468a4cd00aSWarner Losh# 254771aa1d32SSam Leffler# Ralink Technology RT2501USB/RT2601USB wireless driver 254871aa1d32SSam Lefflerdevice rum 254993393dfdSAndrew Thompson# Ralink Technology RT2700U/RT2800U/RT3000U wireless driver 255093393dfdSAndrew Thompsondevice run 25518a4cd00aSWarner Losh# 255271aa1d32SSam Leffler# Atheros AR5523 wireless driver 255371aa1d32SSam Lefflerdevice uath 255471aa1d32SSam Leffler# 2555d1f25d5dSBernhard Schmidt# Conexant/Intersil PrismGT wireless driver 2556d1f25d5dSBernhard Schmidtdevice upgt 2557d1f25d5dSBernhard Schmidt# 255871aa1d32SSam Leffler# Ralink Technology RT2500USB wireless driver 25598a4cd00aSWarner Loshdevice ural 25608a4cd00aSWarner Losh# 256129311227SHans Petter Selasky# RNDIS USB ethernet driver 256229311227SHans Petter Selaskydevice urndis 25635aaea652SKevin Lo# Realtek RTL8187B/L wireless driver 25645aaea652SKevin Lodevice urtw 25655aaea652SKevin Lo# 256671aa1d32SSam Leffler# ZyDas ZD1211/ZD1211B wireless driver 256771aa1d32SSam Lefflerdevice zyd 256845b395cdSGleb Smirnoff# 256945b395cdSGleb Smirnoff# Sierra USB wireless driver 257045b395cdSGleb Smirnoffdevice usie 2571f26c33d2SNick Hibma 25728a4cd00aSWarner Losh# 2573f26c33d2SNick Hibma# debugging options for the USB subsystem 25741d33cf3dSNick Hibma# 25751d33cf3dSNick Hibmaoptions USB_DEBUG 2576fe75118bSNick Hibmaoptions U3G_DEBUG 2577f26c33d2SNick Hibma 25786e8394b8SKazutaka YOKOTA# options for ukbd: 25796e8394b8SKazutaka YOKOTAoptions UKBD_DFLT_KEYMAP # specify the built-in keymap 2580440f1cf7SBruce Evansmakeoptions UKBD_DFLT_KEYMAP=jp.106 25816e8394b8SKazutaka YOKOTA 2582565f53bbSShunsuke Akiyama# options for uplcom: 25833c7c6c12SMike Pritchardoptions UPLCOM_INTR_INTERVAL=100 # interrupt pipe interval 2584565f53bbSShunsuke Akiyama # in milliseconds 2585565f53bbSShunsuke Akiyama 258620280807SShunsuke Akiyama# options for uvscom: 258720280807SShunsuke Akiyamaoptions UVSCOM_DEFAULT_OPKTSIZE=8 # default output packet size 25883c7c6c12SMike Pritchardoptions UVSCOM_INTR_INTERVAL=100 # interrupt pipe interval 2589565f53bbSShunsuke Akiyama # in milliseconds 259020280807SShunsuke Akiyama 25918b7ce2ffSSam Leffler##################################################################### 2592869093b1SHidetoshi Shimokawa# FireWire support 25937d2ba89bSJohn Baldwin 2594869093b1SHidetoshi Shimokawadevice firewire # FireWire bus code 25957d2ba89bSJohn Baldwindevice sbp # SCSI over Firewire (Requires scbus and da) 259679acdabbSHidetoshi Shimokawadevice sbp_targ # SBP-2 Target mode (Requires scbus and targ) 2597869093b1SHidetoshi Shimokawadevice fwe # Ethernet over FireWire (non-standard!) 25981c9c6382SRuslan Ermilovdevice fwip # IP over FireWire (RFC2734 and RFC3146) 2599869093b1SHidetoshi Shimokawa 2600869093b1SHidetoshi Shimokawa##################################################################### 2601869093b1SHidetoshi Shimokawa# dcons support (Dumb Console Device) 2602869093b1SHidetoshi Shimokawa 2603869093b1SHidetoshi Shimokawadevice dcons # dumb console driver 2604869093b1SHidetoshi Shimokawadevice dcons_crom # FireWire attachment 2605869093b1SHidetoshi Shimokawaoptions DCONS_BUF_SIZE=16384 # buffer size 2606869093b1SHidetoshi Shimokawaoptions DCONS_POLL_HZ=100 # polling rate 2607869093b1SHidetoshi Shimokawaoptions DCONS_FORCE_CONSOLE=0 # force to be the primary console 2608869093b1SHidetoshi Shimokawaoptions DCONS_FORCE_GDB=1 # force to be the gdb device 26097d2ba89bSJohn Baldwin 26107d2ba89bSJohn Baldwin##################################################################### 26118b7ce2ffSSam Leffler# crypto subsystem 26128b7ce2ffSSam Leffler# 26131c9c6382SRuslan Ermilov# This is a port of the OpenBSD crypto framework. Include this when 2614b2630c29SGeorge V. Neville-Neil# configuring IPSEC and when you have a h/w crypto device to accelerate 26151c9c6382SRuslan Ermilov# user applications that link to OpenSSL. 26168b7ce2ffSSam Leffler# 26171c9c6382SRuslan Ermilov# Drivers are ports from OpenBSD with some simple enhancements that have 26181c9c6382SRuslan Ermilov# been fed back to OpenBSD. 26198b7ce2ffSSam Leffler 26208b7ce2ffSSam Lefflerdevice crypto # core crypto support 2621b65946c6SJohn-Mark Gurney 2622b65946c6SJohn-Mark Gurney# Only install the cryptodev device if you are running tests, or know 2623e0b231cbSJohn-Mark Gurney# specifically why you need it. In most cases, it is not needed and 2624e0b231cbSJohn-Mark Gurney# will make things slower. 26258b7ce2ffSSam Lefflerdevice cryptodev # /dev/crypto for access to h/w 26268b7ce2ffSSam Leffler 2627ac7e2c05SSam Lefflerdevice rndtest # FIPS 140-2 entropy tester 26288b7ce2ffSSam Leffler 26295033c43bSJohn Baldwindevice ccr # Chelsio T6 26305033c43bSJohn Baldwin 2631b7c4858fSSam Lefflerdevice hifn # Hifn 7951, 7781, etc. 2632b7c4858fSSam Leffleroptions HIFN_DEBUG # enable debugging support: hw.hifn.debug 2633b7c4858fSSam Leffleroptions HIFN_RNDTEST # enable rndtest support 2634b7c4858fSSam Leffler 26358b7ce2ffSSam Leffler##################################################################### 26368b7ce2ffSSam Leffler 26378b7ce2ffSSam Leffler 2638785d2100SJohn Birrell# 2639785d2100SJohn Birrell# Embedded system options: 2640785d2100SJohn Birrell# 2641785d2100SJohn Birrell# An embedded system might want to run something other than init. 26420fc9f11dSSergey Kandaurovoptions INIT_PATH=/sbin/init:/rescue/init 2643bc0e3a03SJeroen Ruigrok van der Werven 2644bc0e3a03SJeroen Ruigrok van der Werven# Debug options 2645bc0e3a03SJeroen Ruigrok van der Wervenoptions BUS_DEBUG # enable newbus debugging 26461c9c6382SRuslan Ermilovoptions DEBUG_VFS_LOCKS # enable VFS lock debugging 2647395bb186SSam Leffleroptions SOCKBUF_DEBUG # enable sockbuf last record/mb tail checking 264841c1a233SGleb Smirnoffoptions IFMEDIA_DEBUG # enable debugging in net/if_media.c 2649bc0e3a03SJeroen Ruigrok van der Werven 2650e2c1a4e9SBenno Rice# 2651e2c1a4e9SBenno Rice# Verbose SYSINIT 2652e2c1a4e9SBenno Rice# 2653e2c1a4e9SBenno Rice# Make the SYSINIT process performed by mi_startup() verbose. This is very 2654e2c1a4e9SBenno Rice# useful when porting to a new architecture. If DDB is also enabled, this 2655199b9ab8SIan Lepore# will print function names instead of addresses. If defined with a value 2656199b9ab8SIan Lepore# of zero, the verbose code is compiled-in but disabled by default, and can 2657199b9ab8SIan Lepore# be enabled with the debug.verbose_sysinit=1 tunable. 2658e2c1a4e9SBenno Riceoptions VERBOSE_SYSINIT 2659e2c1a4e9SBenno Rice 2660446af86dSJohn Baldwin##################################################################### 2661446af86dSJohn Baldwin# SYSV IPC KERNEL PARAMETERS 2662446af86dSJohn Baldwin# 2663446af86dSJohn Baldwin# Maximum number of System V semaphores that can be used on the system at 2664446af86dSJohn Baldwin# one time. 2665446af86dSJohn Baldwinoptions SEMMNI=11 2666446af86dSJohn Baldwin 2667446af86dSJohn Baldwin# Total number of semaphores system wide 2668446af86dSJohn Baldwinoptions SEMMNS=61 2669446af86dSJohn Baldwin 2670446af86dSJohn Baldwin# Total number of undo structures in system 2671446af86dSJohn Baldwinoptions SEMMNU=31 2672446af86dSJohn Baldwin 2673446af86dSJohn Baldwin# Maximum number of System V semaphores that can be used by a single process 2674446af86dSJohn Baldwin# at one time. 2675446af86dSJohn Baldwinoptions SEMMSL=61 2676446af86dSJohn Baldwin 2677446af86dSJohn Baldwin# Maximum number of operations that can be outstanding on a single System V 2678446af86dSJohn Baldwin# semaphore at one time. 2679446af86dSJohn Baldwinoptions SEMOPM=101 2680446af86dSJohn Baldwin 2681446af86dSJohn Baldwin# Maximum number of undo operations that can be outstanding on a single 2682446af86dSJohn Baldwin# System V semaphore at one time. 2683446af86dSJohn Baldwinoptions SEMUME=11 2684446af86dSJohn Baldwin 2685446af86dSJohn Baldwin# Maximum number of shared memory pages system wide. 2686446af86dSJohn Baldwinoptions SHMALL=1025 2687446af86dSJohn Baldwin 2688446af86dSJohn Baldwin# Maximum size, in bytes, of a single System V shared memory region. 268925388b6cSBruce Evansoptions SHMMAX=(SHMMAXPGS*PAGE_SIZE+1) 2690446af86dSJohn Baldwinoptions SHMMAXPGS=1025 2691446af86dSJohn Baldwin 2692446af86dSJohn Baldwin# Minimum size, in bytes, of a single System V shared memory region. 2693446af86dSJohn Baldwinoptions SHMMIN=2 2694446af86dSJohn Baldwin 2695446af86dSJohn Baldwin# Maximum number of shared memory regions that can be used on the system 2696446af86dSJohn Baldwin# at one time. 2697446af86dSJohn Baldwinoptions SHMMNI=33 2698446af86dSJohn Baldwin 2699446af86dSJohn Baldwin# Maximum number of System V shared memory regions that can be attached to 2700446af86dSJohn Baldwin# a single process at one time. 2701446af86dSJohn Baldwinoptions SHMSEG=9 2702446af86dSJohn Baldwin 2703d9282887SDima Dorfman# Set the amount of time (in seconds) the system will wait before 2704d9282887SDima Dorfman# rebooting automatically when a kernel panic occurs. If set to (-1), 2705d9282887SDima Dorfman# the system will wait indefinitely until a key is pressed on the 2706d9282887SDima Dorfman# console. 2707d9282887SDima Dorfmanoptions PANIC_REBOOT_WAIT_TIME=16 2708d9282887SDima Dorfman 27095bbb8060STor Egge# Attempt to bypass the buffer cache and put data directly into the 27105bbb8060STor Egge# userland buffer for read operation when O_DIRECT flag is set on the 27115bbb8060STor Egge# file. Both offset and length of the read operation must be 27125bbb8060STor Egge# multiples of the physical media sector size. 27135bbb8060STor Egge# 2714995356dcSDag-Erling Smørgravoptions DIRECTIO 27155bbb8060STor Egge 27165bbb8060STor Egge# Specify a lower limit for the number of swap I/O buffers. They are 27175bbb8060STor Egge# (among other things) used when bypassing the buffer cache due to 27185bbb8060STor Egge# DIRECTIO kernel option enabled and O_DIRECT flag set on file. 27195bbb8060STor Egge# 2720995356dcSDag-Erling Smørgravoptions NSWBUF_MIN=120 27215bbb8060STor Egge 2722446af86dSJohn Baldwin##################################################################### 2723446af86dSJohn Baldwin 2724bc0e3a03SJeroen Ruigrok van der Werven# More undocumented options for linting. 27259c0ef6d5SOliver Fromme# Note that documenting these is not considered an affront. 2726bc0e3a03SJeroen Ruigrok van der Werven 2727bc0e3a03SJeroen Ruigrok van der Wervenoptions CAM_DEBUG_DELAY 272828d7984fSJeroen Ruigrok van der Werven 272928d7984fSJeroen Ruigrok van der Werven# VFS cluster debugging. 2730bc0e3a03SJeroen Ruigrok van der Wervenoptions CLUSTERDEBUG 273128d7984fSJeroen Ruigrok van der Werven 2732bc0e3a03SJeroen Ruigrok van der Wervenoptions DEBUG 27338b6f5e65SJeroen Ruigrok van der Werven 273428d7984fSJeroen Ruigrok van der Werven# Kernel filelock debugging. 2735bc0e3a03SJeroen Ruigrok van der Wervenoptions LOCKF_DEBUG 273628d7984fSJeroen Ruigrok van der Werven 27378b6f5e65SJeroen Ruigrok van der Werven# System V compatible message queues 27388b6f5e65SJeroen Ruigrok van der Werven# Please note that the values provided here are used to test kernel 27398b6f5e65SJeroen Ruigrok van der Werven# building. The defaults in the sources provide almost the same numbers. 27408b6f5e65SJeroen Ruigrok van der Werven# MSGSSZ must be a power of 2 between 8 and 1024. 27418b6f5e65SJeroen Ruigrok van der Wervenoptions MSGMNB=2049 # Max number of chars in queue 27428b6f5e65SJeroen Ruigrok van der Wervenoptions MSGMNI=41 # Max number of message queue identifiers 27438b6f5e65SJeroen Ruigrok van der Wervenoptions MSGSEG=2049 # Max number of message segments 27448b6f5e65SJeroen Ruigrok van der Wervenoptions MSGSSZ=16 # Size of a message segment 27458b6f5e65SJeroen Ruigrok van der Wervenoptions MSGTQL=41 # Max number of messages in system 27468b6f5e65SJeroen Ruigrok van der Werven 27478b6f5e65SJeroen Ruigrok van der Wervenoptions NBUF=512 # Number of buffer headers 27488b6f5e65SJeroen Ruigrok van der Werven 27498b6f5e65SJeroen Ruigrok van der Wervenoptions SC_DEBUG_LEVEL=5 # Syscons debug level 27508b6f5e65SJeroen Ruigrok van der Wervenoptions SC_RENDER_DEBUG # syscons rendering debugging 27518b6f5e65SJeroen Ruigrok van der Werven 27528b6f5e65SJeroen Ruigrok van der Wervenoptions VFS_BIO_DEBUG # VFS buffer I/O debugging 27538b6f5e65SJeroen Ruigrok van der Werven 2754316ec49aSScott Longoptions KSTACK_MAX_PAGES=32 # Maximum pages to give the kernel stack 2755b7627840SKonstantin Belousovoptions KSTACK_USAGE_PROF 2756316ec49aSScott Long 2757662d3818SScott Long# Adaptec Array Controller driver options 2758662d3818SScott Longoptions AAC_DEBUG # Debugging levels: 2759662d3818SScott Long # 0 - quiet, only emit warnings 2760662d3818SScott Long # 1 - noisy, emit major function 2761662d3818SScott Long # points and things done 2762662d3818SScott Long # 2 - extremely noisy, emit trace 2763662d3818SScott Long # items in loops, etc. 2764662d3818SScott Long 2765097055e2SEdward Tomasz Napierala# Resource Accounting 2766097055e2SEdward Tomasz Napieralaoptions RACCT 2767097055e2SEdward Tomasz Napierala 2768ec125fbbSEdward Tomasz Napierala# Resource Limits 2769ec125fbbSEdward Tomasz Napieralaoptions RCTL 2770ec125fbbSEdward Tomasz Napierala 27711e9ea774SBruce Evans# Yet more undocumented options for linting. 27721e9ea774SBruce Evansoptions MAXFILES=999 2773efba048eSXin LI 2774997b0a64SDag-Erling Smørgrav# Random number generator 277519fa89e9SMark Murray# Allow the CSPRNG algorithm to be loaded as a module. 277619fa89e9SMark Murray#options RANDOM_LOADABLE 2777e866d8f0SMark Murray# Select this to allow high-rate but potentially expensive 2778e866d8f0SMark Murray# harvesting of Slab-Allocator entropy. In very high-rate 2779e866d8f0SMark Murray# situations the value of doing this is dubious at best. 2780e866d8f0SMark Murrayoptions RANDOM_ENABLE_UMA # slab allocator 278181e3caafSJustin Hibbits 2782a6bc59f2SMatt Macy# Select this to allow high-rate but potentially expensive 2783a6bc59f2SMatt Macy# harvesting of of the m_next pointer in the mbuf. Note that 2784a6bc59f2SMatt Macy# the m_next pointer is NULL except when receiving > 4K 2785a6bc59f2SMatt Macy# jumbo frames or sustained bursts by way of LRO. Thus in 2786a6bc59f2SMatt Macy# the common case it is stirring zero in to the entropy 2787a6bc59f2SMatt Macy# pool. In cases where it is not NULL it is pointing to one 2788a6bc59f2SMatt Macy# of a small (in the thousands to 10s of thousands) number 2789a6bc59f2SMatt Macy# of 256 byte aligned mbufs. Hence it is, even in the best 2790a6bc59f2SMatt Macy# case, a poor source of entropy. And in the absence of actual 2791a6bc59f2SMatt Macy# runtime analysis of entropy collection may mislead the user in 2792a6bc59f2SMatt Macy# to believe that substantially more entropy is being collected 2793a6bc59f2SMatt Macy# than in fact is - leading to a different class of security 2794a6bc59f2SMatt Macy# risk. In high packet rate situations ethernet entropy 2795a6bc59f2SMatt Macy# collection is also very expensive, possibly leading to as 2796a6bc59f2SMatt Macy# much as a 50% drop in packets received. 2797a6bc59f2SMatt Macy# This option is present to maintain backwards compatibility 2798a6bc59f2SMatt Macy# if desired, however it cannot be recommended for use in any 2799a6bc59f2SMatt Macy# environment. 2800a6bc59f2SMatt Macyoptions RANDOM_ENABLE_ETHER # ether_input 2801a6bc59f2SMatt Macy 280281e3caafSJustin Hibbits# Module to enable execution of application via emulators like QEMU 280381e3caafSJustin Hibbitsoptions IMAGACT_BINMISC 2804aa14e9b7SMark Johnston 2805aa14e9b7SMark Johnston# zlib I/O stream support 2806aa14e9b7SMark Johnston# This enables support for compressed core dumps. 2807aa14e9b7SMark Johnstonoptions GZIO 2808fb403678SAdrian Chadd 2809eefd8f96SConrad Meyer# zstd support 2810fb702b44SMatt Macy# This enables support for Zstd compressed core dumps, GEOM_UZIP images, 2811fb702b44SMatt Macy# and is required by zfs if statically linked. 28126026dcd7SMark Johnstonoptions ZSTDIO 28136026dcd7SMark Johnston 2814fb403678SAdrian Chadd# BHND(4) drivers 2815fb403678SAdrian Chaddoptions BHND_LOGLEVEL # Logging threshold level 28162b3f6d66SOleksandr Tymoshenko 28172b3f6d66SOleksandr Tymoshenko# evdev interface 2818a6b15a34SOleksandr Tymoshenkodevice evdev # input event device support 2819a6b15a34SOleksandr Tymoshenkooptions EVDEV_SUPPORT # evdev support in legacy drivers 2820a6b15a34SOleksandr Tymoshenkooptions EVDEV_DEBUG # enable event debug msgs 2821a6b15a34SOleksandr Tymoshenkodevice uinput # install /dev/uinput cdev 2822a6b15a34SOleksandr Tymoshenkooptions UINPUT_DEBUG # enable uinput debug msgs 2823480f31c2SKonrad Witaszczyk 2824480f31c2SKonrad Witaszczyk# Encrypted kernel crash dumps. 2825480f31c2SKonrad Witaszczykoptions EKCD 28261fcf4de0SIan Lepore 28272d7e9271SIan Lepore# Serial Peripheral Interface (SPI) support. 28282d7e9271SIan Leporedevice spibus # Bus support. 28292d7e9271SIan Leporedevice at45d # DataFlash driver 28302d7e9271SIan Leporedevice cqspi # 28312d7e9271SIan Leporedevice mx25l # SPIFlash driver 28322d7e9271SIan Leporedevice n25q # 28332d7e9271SIan Leporedevice spigen # Generic access to SPI devices from userland. 28341fcf4de0SIan Lepore# Enable legacy /dev/spigenN name aliases for /dev/spigenX.Y devices. 28351fcf4de0SIan Leporeoptions SPIGEN_LEGACY_CDEVNAME # legacy device names for spigen 2836e8643b01SKonstantin Belousov 28370ed1d6fbSXin LI# Compression supports. 28380ed1d6fbSXin LIdevice zlib # gzip/zlib compression/decompression library 2839e8643b01SKonstantin Belousovdevice xz # xz_embedded LZMA de-compression library 28402ae3f52cSEdward Tomasz Napierala 28412ae3f52cSEdward Tomasz Napierala# Kernel support for stats(3). 28422ae3f52cSEdward Tomasz Napieralaoptions STATS 2843