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# 9f9ba2bbeSWarner Losh# Lines that begin with 'envvar hint.' should go into your hints file. 10f9ba2bbeSWarner 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 332b9485d76SJohn Baldwin# Debugging traces for epoch(9) misuse 333b9485d76SJohn Baldwinoptions EPOCH_TRACE 334ef0ebfc3SJohn Baldwin 335477a642cSPeter Wemm##################################################################### 3366a8d6623SGarrett Wollman# COMPATIBILITY OPTIONS 337690f540cSAndrey A. Chernov 338d3e64681SPoul-Henning Kamp# Old tty interface. 339d3e64681SPoul-Henning Kampoptions COMPAT_43TTY 340d3e64681SPoul-Henning Kamp 341f5e4c105SJohn Baldwin# Note that as a general rule, COMPAT_FREEBSD<n> depends on 342f5e4c105SJohn Baldwin# COMPAT_FREEBSD<n+1>, COMPAT_FREEBSD<n+2>, etc. 343f5e4c105SJohn Baldwin 344f0eb293eSAlfred Perlstein# Enable FreeBSD4 compatibility syscalls 345f0eb293eSAlfred Perlsteinoptions COMPAT_FREEBSD4 346f0eb293eSAlfred Perlstein 347a01b4125SKen Smith# Enable FreeBSD5 compatibility syscalls 348a01b4125SKen Smithoptions COMPAT_FREEBSD5 349a01b4125SKen Smith 3506c9fdda7SRuslan Ermilov# Enable FreeBSD6 compatibility syscalls 3516c9fdda7SRuslan Ermilovoptions COMPAT_FREEBSD6 3526c9fdda7SRuslan Ermilov 3535965c4b7SJohn Baldwin# Enable FreeBSD7 compatibility syscalls 3545965c4b7SJohn Baldwinoptions COMPAT_FREEBSD7 3555965c4b7SJohn Baldwin 3567d313e7bSJohn Baldwin# Enable FreeBSD9 compatibility syscalls 3577d313e7bSJohn Baldwinoptions COMPAT_FREEBSD9 3587d313e7bSJohn Baldwin 3597d313e7bSJohn Baldwin# Enable FreeBSD10 compatibility syscalls 3607d313e7bSJohn Baldwinoptions COMPAT_FREEBSD10 3617d313e7bSJohn Baldwin 3627f68a896SMark Johnston# Enable FreeBSD11 compatibility syscalls 3637f68a896SMark Johnstonoptions COMPAT_FREEBSD11 3647f68a896SMark Johnston 365d6745408SConrad Meyer# Enable FreeBSD12 compatibility syscalls 366d6745408SConrad Meyeroptions COMPAT_FREEBSD12 367d6745408SConrad Meyer 3684e85b648SKristof Provost# Enable FreeBSD13 compatibility syscalls 3694e85b648SKristof Provostoptions COMPAT_FREEBSD13 3704e85b648SKristof Provost 3718d59ecb2SHans Petter Selasky# Enable Linux Kernel Programming Interface 3728d59ecb2SHans Petter Selaskyoptions COMPAT_LINUXKPI 3738d59ecb2SHans Petter Selasky 3746a8d6623SGarrett Wollman# 3756a8d6623SGarrett Wollman# These three options provide support for System V Interface 3766a8d6623SGarrett Wollman# Definition-style interprocess communication, in the form of shared 3776a8d6623SGarrett Wollman# memory, semaphores, and message queues, respectively. 3786a8d6623SGarrett Wollman# 3796a8d6623SGarrett Wollmanoptions SYSVSHM 3806a8d6623SGarrett Wollmanoptions SYSVSEM 3816a8d6623SGarrett Wollmanoptions SYSVMSG 3826a8d6623SGarrett Wollman 3836a8d6623SGarrett Wollman 3846a8d6623SGarrett Wollman##################################################################### 3856a8d6623SGarrett Wollman# DEBUGGING OPTIONS 3866a8d6623SGarrett Wollman 3876a8d6623SGarrett Wollman# 388e2ee2173SMarcel Moolenaar# Compile with kernel debugger related code. 3896a8d6623SGarrett Wollman# 390e2ee2173SMarcel Moolenaaroptions KDB 391b5d89ca8SBruce Evans 392b5d89ca8SBruce Evans# 393e2ee2173SMarcel Moolenaar# Print a stack trace of the current thread on the console for a panic. 3947085e708SBruce Evans# 395e2ee2173SMarcel Moolenaaroptions KDB_TRACE 396e2ee2173SMarcel Moolenaar 397e2ee2173SMarcel Moolenaar# 398e2ee2173SMarcel Moolenaar# Don't enter the debugger for a panic. Intended for unattended operation 399e2ee2173SMarcel Moolenaar# where you may want to enter the debugger from the console, but still want 400e2ee2173SMarcel Moolenaar# the machine to recover from a panic. 401e2ee2173SMarcel Moolenaar# 402e2ee2173SMarcel Moolenaaroptions KDB_UNATTENDED 403e2ee2173SMarcel Moolenaar 404e2ee2173SMarcel Moolenaar# 405e2ee2173SMarcel Moolenaar# Enable the ddb debugger backend. 406e2ee2173SMarcel Moolenaar# 407e2ee2173SMarcel Moolenaaroptions DDB 4087085e708SBruce Evans 4097085e708SBruce Evans# 410bfdd261eSBruce Evans# Print the numerical value of symbols in addition to the symbolic 411bfdd261eSBruce Evans# representation. 412bfdd261eSBruce Evans# 413bfdd261eSBruce Evansoptions DDB_NUMSYM 414bfdd261eSBruce Evans 415bfdd261eSBruce Evans# 416e2ee2173SMarcel Moolenaar# Enable the remote gdb debugger backend. 4170be15decSJohn Baldwin# 418e2ee2173SMarcel Moolenaaroptions GDB 419562d05dfSPaul Traina 420562d05dfSPaul Traina# 42137bd4ba9SConrad Meyer# Trashes list pointers when they become invalid (i.e., the element is 42237bd4ba9SConrad Meyer# removed from a list). Relatively inexpensive to enable. 42337bd4ba9SConrad Meyer# 42437bd4ba9SConrad Meyeroptions QUEUE_MACRO_DEBUG_TRASH 42537bd4ba9SConrad Meyer 42637bd4ba9SConrad Meyer# 42737bd4ba9SConrad Meyer# Stores information about the last caller to modify the list object 42837bd4ba9SConrad Meyer# in the list object. Requires additional memory overhead. 42937bd4ba9SConrad Meyer# 4303fcdcab0SConrad Meyer#options QUEUE_MACRO_DEBUG_TRACE 43137bd4ba9SConrad Meyer 43237bd4ba9SConrad Meyer# 433df970488SRobert Watson# SYSCTL_DEBUG enables a 'sysctl' debug tree that can be used to dump the 434df970488SRobert Watson# contents of the registered sysctl nodes on the console. It is disabled by 4351c9c6382SRuslan Ermilov# default because it generates excessively verbose console output that can 436df970488SRobert Watson# interfere with serial console operation. 437df970488SRobert Watson# 438df970488SRobert Watsonoptions SYSCTL_DEBUG 439df970488SRobert Watson 440df970488SRobert Watson# 44121d748a9SAlfred Perlstein# Enable textdump by default, this disables kernel core dumps. 44221d748a9SAlfred Perlstein# 44321d748a9SAlfred Perlsteinoptions TEXTDUMP_PREFERRED 44421d748a9SAlfred Perlstein 44521d748a9SAlfred Perlstein# 44621d748a9SAlfred Perlstein# Enable extra debug messages while performing textdumps. 44721d748a9SAlfred Perlstein# 44821d748a9SAlfred Perlsteinoptions TEXTDUMP_VERBOSE 44921d748a9SAlfred Perlstein 45021d748a9SAlfred Perlstein# 45131615ef7SRebecca Cran# NO_SYSCTL_DESCR omits the sysctl node descriptions to save space in the 45231615ef7SRebecca Cran# resulting kernel. 45331615ef7SRebecca Cranoptions NO_SYSCTL_DESCR 45431615ef7SRebecca Cran 45531615ef7SRebecca Cran# 456d7854da1SMatthew D Fleming# MALLOC_DEBUG_MAXZONES enables multiple uma zones for malloc(9) 457d7854da1SMatthew D Fleming# allocations that are smaller than a page. The purpose is to isolate 458d7854da1SMatthew D Fleming# different malloc types into hash classes, so that any buffer 459d7854da1SMatthew D Fleming# overruns or use-after-free will usually only affect memory from 460d7854da1SMatthew D Fleming# malloc types in that hash class. This is purely a debugging tool; 461d7854da1SMatthew D Fleming# by varying the hash function and tracking which hash class was 462d7854da1SMatthew D Fleming# corrupted, the intersection of the hash classes from each instance 463d7854da1SMatthew D Fleming# will point to a single malloc type that is being misused. At this 464d7854da1SMatthew D Fleming# point inspection or memguard(9) can be used to catch the offending 465d7854da1SMatthew D Fleming# code. 466d7854da1SMatthew D Fleming# 467d7854da1SMatthew D Flemingoptions MALLOC_DEBUG_MAXZONES=8 468d7854da1SMatthew D Fleming 469d7854da1SMatthew D Fleming# 470e4eb384bSBosko Milekic# DEBUG_MEMGUARD builds and enables memguard(9), a replacement allocator 471e4eb384bSBosko Milekic# for the kernel used to detect modify-after-free scenarios. See the 472e4eb384bSBosko Milekic# memguard(9) man page for more information on usage. 473e4eb384bSBosko Milekic# 474e4eb384bSBosko Milekicoptions DEBUG_MEMGUARD 475e4eb384bSBosko Milekic 476e4eb384bSBosko Milekic# 477847a2a17SPawel Jakub Dawidek# DEBUG_REDZONE enables buffer underflows and buffer overflows detection for 478847a2a17SPawel Jakub Dawidek# malloc(9). 479847a2a17SPawel Jakub Dawidek# 480847a2a17SPawel Jakub Dawidekoptions DEBUG_REDZONE 481847a2a17SPawel Jakub Dawidek 482847a2a17SPawel Jakub Dawidek# 483e79f350dSWarner Losh# EARLY_PRINTF enables support for calling a special printf (eprintf) 484e79f350dSWarner Losh# very early in the kernel (before cn_init() has been called). This 485e79f350dSWarner Losh# should only be used for debugging purposes early in boot. Normally, 486e79f350dSWarner Losh# it is not defined. It is commented out here because this feature 487e79f350dSWarner Losh# isn't generally available. And the required eputc() isn't defined. 488e79f350dSWarner Losh# 489e79f350dSWarner Losh#options EARLY_PRINTF 490e79f350dSWarner Losh 491e79f350dSWarner Losh# 492ea3fc8e4SJohn Baldwin# KTRACE enables the system-call tracing facility ktrace(2). To be more 493ea3fc8e4SJohn Baldwin# SMP-friendly, KTRACE uses a worker thread to process most trace events 494ea3fc8e4SJohn Baldwin# asynchronously to the thread generating the event. This requires a 495ea3fc8e4SJohn Baldwin# pre-allocated store of objects representing trace events. The 496ea3fc8e4SJohn Baldwin# KTRACE_REQUEST_POOL option specifies the initial size of this store. 497ea3fc8e4SJohn Baldwin# The size of the pool can be adjusted both at boottime and runtime via 498ea3fc8e4SJohn Baldwin# the kern.ktrace_request_pool tunable and sysctl. 4996a8d6623SGarrett Wollman# 5002365e64fSRodney W. Grimesoptions KTRACE #kernel tracing 501ea3fc8e4SJohn Baldwinoptions KTRACE_REQUEST_POOL=101 50221c64a07SAndrey A. Chernov 5036a8d6623SGarrett Wollman# 504f7e95633SRuslan Ermilov# KTR is a kernel tracing facility imported from BSD/OS. It is 505a7bebf90SKris Kennaway# enabled with the KTR option. KTR_ENTRIES defines the number of 5066e465ac7SDavide Italiano# entries in the circular trace buffer; it may be an arbitrary number. 50736b7dde4SAndriy Gapon# KTR_BOOT_ENTRIES defines the number of entries during the early boot, 50836b7dde4SAndriy Gapon# before malloc(9) is functional. 509a7bebf90SKris Kennaway# KTR_COMPILE defines the mask of events to compile into the kernel as 510a7bebf90SKris Kennaway# defined by the KTR_* constants in <sys/ktr.h>. KTR_MASK defines the 511a7bebf90SKris Kennaway# initial value of the ktr_mask variable which determines at runtime 512a7bebf90SKris Kennaway# what events to trace. KTR_CPUMASK determines which CPU's log 513e3709597SAttilio Rao# events, with bit X corresponding to CPU X. The layout of the string 514d51e8487SJosh Paetzel# passed as KTR_CPUMASK must match a series of bitmasks each of them 515d4a2ab8cSAttilio Rao# separated by the "," character (ie: 516d4a2ab8cSAttilio Rao# KTR_CPUMASK=0xAF,0xFFFFFFFFFFFFFFFF). KTR_VERBOSE enables 517a7bebf90SKris Kennaway# dumping of KTR events to the console by default. This functionality 518a7bebf90SKris Kennaway# can be toggled via the debug.ktr_verbose sysctl and defaults to off 519f7e95633SRuslan Ermilov# if KTR_VERBOSE is not defined. See ktr(4) and ktrdump(8) for details. 520c508c1b6SJohn Baldwin# 521c508c1b6SJohn Baldwinoptions KTR 52236b7dde4SAndriy Gaponoptions KTR_BOOT_ENTRIES=1024 52336b7dde4SAndriy Gaponoptions KTR_ENTRIES=(128*1024) 5246740ed37SGleb Smirnoffoptions KTR_COMPILE=(KTR_ALL) 525a9672a81SJohn Baldwinoptions KTR_MASK=KTR_INTR 526d4a2ab8cSAttilio Raooptions KTR_CPUMASK=0x3 527d902baa4SJohn Baldwinoptions KTR_VERBOSE 528c508c1b6SJohn Baldwin 529c508c1b6SJohn Baldwin# 5301c9c6382SRuslan Ermilov# ALQ(9) is a facility for the asynchronous queuing of records from the kernel 531f7e95633SRuslan Ermilov# to a vnode, and is employed by services such as ktr(4) to produce trace 532453ffeefSRobert Watson# files based on a kernel event stream. Records are written asynchronously 533453ffeefSRobert Watson# in a worker thread. 534453ffeefSRobert Watson# 535453ffeefSRobert Watsonoptions ALQ 536453ffeefSRobert Watsonoptions KTR_ALQ 537453ffeefSRobert Watson 538453ffeefSRobert Watson# 5395526d2d9SEivind Eklund# The INVARIANTS option is used in a number of source files to enable 5406a8d6623SGarrett Wollman# extra sanity checking of internal structures. This support is not 5416a8d6623SGarrett Wollman# enabled by default because of the extra time it would take to check 5426a8d6623SGarrett Wollman# for these conditions, which can only occur as a result of 5436a8d6623SGarrett Wollman# programming errors. 5446a8d6623SGarrett Wollman# 5455526d2d9SEivind Eklundoptions INVARIANTS 5465526d2d9SEivind Eklund 5475526d2d9SEivind Eklund# 54834b15f2aSJohn Baldwin# The INVARIANT_SUPPORT option makes us compile in support for 54934b15f2aSJohn Baldwin# verifying some of the internal structures. It is a prerequisite for 55034b15f2aSJohn Baldwin# 'INVARIANTS', as enabling 'INVARIANTS' will make these functions be 55134b15f2aSJohn Baldwin# called. The intent is that you can set 'INVARIANTS' for single 55234b15f2aSJohn Baldwin# source files (by changing the source file or specifying it on the 55334b15f2aSJohn Baldwin# command line) if you have 'INVARIANT_SUPPORT' enabled. Also, if you 55434b15f2aSJohn Baldwin# wish to build a kernel module with 'INVARIANTS', then adding 55534b15f2aSJohn Baldwin# 'INVARIANT_SUPPORT' to your kernel will provide all the necessary 55634b15f2aSJohn Baldwin# infrastructure without the added overhead. 55734b15f2aSJohn Baldwin# 55834b15f2aSJohn Baldwinoptions INVARIANT_SUPPORT 55934b15f2aSJohn Baldwin 56034b15f2aSJohn Baldwin# 5614ca8c1efSConrad Meyer# The KASSERT_PANIC_OPTIONAL option allows kasserts to fire without 5624ca8c1efSConrad Meyer# necessarily inducing a panic. Panic is the default behavior, but 5634ca8c1efSConrad Meyer# runtime options can configure it either entirely off, or off with a 5644ca8c1efSConrad Meyer# limit. 5654ca8c1efSConrad Meyer# 5664ca8c1efSConrad Meyeroptions KASSERT_PANIC_OPTIONAL 5674ca8c1efSConrad Meyer 5684ca8c1efSConrad Meyer# 5695526d2d9SEivind Eklund# The DIAGNOSTIC option is used to enable extra debugging information 57094851f37SMark Johnston# and invariants checking. The added checks are too expensive or noisy 57194851f37SMark Johnston# for an INVARIANTS kernel and thus are disabled by default. It is 57294851f37SMark Johnston# expected that a kernel configured with DIAGNOSTIC will also have the 57394851f37SMark Johnston# INVARIANTS option enabled. 5745526d2d9SEivind Eklund# 5750dc7d907SPoul-Henning Kampoptions DIAGNOSTIC 576da59a31cSDavid Greenman 5770dd1eea1SJordan K. Hubbard# 5780b5438c6SRobert Watson# REGRESSION causes optional kernel interfaces necessary only for regression 5793c7c6c12SMike Pritchard# testing to be enabled. These interfaces may constitute security risks 5800b5438c6SRobert Watson# when enabled, as they permit processes to easily modify aspects of the 5810b5438c6SRobert Watson# run-time environment to reproduce unlikely or unusual (possibly normally 5820b5438c6SRobert Watson# impossible) scenarios. 5830b5438c6SRobert Watson# 5840b5438c6SRobert Watsonoptions REGRESSION 5850b5438c6SRobert Watson 5860b5438c6SRobert Watson# 5879c0ef6d5SOliver Fromme# This option lets some drivers co-exist that can't co-exist in a running 588346ebe51SEivind Eklund# system. This is used to be able to compile all kernel code in one go for 589346ebe51SEivind Eklund# quality assurance purposes (like this file, which the option takes it name 590346ebe51SEivind Eklund# from.) 591346ebe51SEivind Eklund# 592346ebe51SEivind Eklundoptions COMPILING_LINT 593346ebe51SEivind Eklund 5943c90d1eaSRobert Watson# 5953c90d1eaSRobert Watson# STACK enables the stack(9) facility, allowing the capture of kernel stack 5963c90d1eaSRobert Watson# for the purpose of procinfo(1), etc. stack(9) will also be compiled in 5973c90d1eaSRobert Watson# automatically if DDB(4) is compiled into the kernel. 5983c90d1eaSRobert Watson# 5993c90d1eaSRobert Watsonoptions STACK 6003c90d1eaSRobert Watson 601cc37baeaSStephen J. Kiernan# 602cc37baeaSStephen J. Kiernan# The NUM_CORE_FILES option specifies the limit for the number of core 603cc37baeaSStephen J. Kiernan# files generated by a particular process, when the core file format 604cc37baeaSStephen J. Kiernan# specifier includes the %I pattern. Since we only have 1 character for 605cc37baeaSStephen J. Kiernan# the core count in the format string, meaning the range will be 0-9, the 606cc37baeaSStephen J. Kiernan# maximum value allowed for this option is 10. 607cc37baeaSStephen J. Kiernan# This core file limit can be adjusted at runtime via the debug.ncores 608cc37baeaSStephen J. Kiernan# sysctl. 609cc37baeaSStephen J. Kiernan# 610cc37baeaSStephen J. Kiernanoptions NUM_CORE_FILES=5 611cc37baeaSStephen J. Kiernan 612ae3d6bfaSColin Percival# 613ae3d6bfaSColin Percival# The TSLOG option enables timestamped logging of events, especially 614ae3d6bfaSColin Percival# function entries/exits, in order to track the time spent by the kernel. 615ae3d6bfaSColin Percival# In particular, this is useful when investigating the early boot process, 616ae3d6bfaSColin Percival# before it is possible to use more sophisticated tools like DTrace. 617ae3d6bfaSColin Percival# The TSLOGSIZE option controls the size of the (preallocated, fixed 618ae3d6bfaSColin Percival# length) buffer used for storing these events (default: 262144 records). 619ae3d6bfaSColin Percival# 620ae3d6bfaSColin Percival# For security reasons the TSLOG option should not be enabled on systems 621ae3d6bfaSColin Percival# used in production. 622ae3d6bfaSColin Percival# 623ae3d6bfaSColin Percivaloptions TSLOG 624ae3d6bfaSColin Percivaloptions TSLOGSIZE=262144 625ae3d6bfaSColin Percival 6266a8d6623SGarrett Wollman 6276a8d6623SGarrett Wollman##################################################################### 628d47cce3eSMarcel Moolenaar# PERFORMANCE MONITORING OPTIONS 629d47cce3eSMarcel Moolenaar 630d47cce3eSMarcel Moolenaar# 631d47cce3eSMarcel Moolenaar# The hwpmc driver that allows the use of in-CPU performance monitoring 6329c0ef6d5SOliver Fromme# counters for performance monitoring. The base kernel needs to be configured 633d47cce3eSMarcel Moolenaar# with the 'options' line, while the hwpmc device can be either compiled 634d47cce3eSMarcel Moolenaar# in or loaded as a loadable kernel module. 635d47cce3eSMarcel Moolenaar# 636ad3869b4SJoseph Koshy# Additional configuration options may be required on specific architectures, 637ad3869b4SJoseph Koshy# please see hwpmc(4). 638ad3869b4SJoseph Koshy 639d47cce3eSMarcel Moolenaardevice hwpmc # Driver (also a loadable module) 640680f1afdSJohn Baldwinoptions HWPMC_DEBUG 641d47cce3eSMarcel Moolenaaroptions HWPMC_HOOKS # Other necessary kernel hooks 642d47cce3eSMarcel Moolenaar 643d47cce3eSMarcel Moolenaar 644d47cce3eSMarcel Moolenaar##################################################################### 6456a8d6623SGarrett Wollman# NETWORKING OPTIONS 64670c0b54cSAndrey A. Chernov 6476a8d6623SGarrett Wollman# 648a22fb0daSGeorge V. Neville-Neil# Protocol families 6496a8d6623SGarrett Wollman# 6506a8d6623SGarrett Wollmanoptions INET #Internet communications protocols 65151f4c152SYoshinobu Inoueoptions INET6 #IPv6 communications protocols 652b8d60729SRandall Stewart# 653b8d60729SRandall Stewart# Note if you include INET/INET6 or both options 654b8d60729SRandall Stewart# You *must* define at least one of the congestion control 655b8d60729SRandall Stewart# options or the compile will fail. Generic defines 656b8d60729SRandall Stewart# options CC_NEWRENO. You also will need to specify 657b8d60729SRandall Stewart# a default or the compile of your kernel will fail 658b8d60729SRandall Stewart# as well. The string in default is the name of the 659b8d60729SRandall Stewart# cc module as it would appear in the sysctl for 660b8d60729SRandall Stewart# setting the default. Generic defines newreno 661b8d60729SRandall Stewart# as shown below. 662b8d60729SRandall Stewart# 663b8d60729SRandall Stewartoptions CC_CDG 664b8d60729SRandall Stewartoptions CC_CHD 665b8d60729SRandall Stewartoptions CC_CUBIC 666b8d60729SRandall Stewartoptions CC_DCTCP 667b8d60729SRandall Stewartoptions CC_HD 668b8d60729SRandall Stewartoptions CC_HTCP 669b8d60729SRandall Stewartoptions CC_NEWRENO 670b8d60729SRandall Stewartoptions CC_VEGAS 671b8d60729SRandall Stewartoptions CC_DEFAULT=\"newreno\" 672f3e7afe2SHans Petter Selaskyoptions RATELIMIT # TX rate limiting support 673f3e7afe2SHans Petter Selasky 6744871fc4aSJulian Elischeroptions ROUTETABLES=2 # allocated fibs up to 65536. default is 1. 6754871fc4aSJulian Elischer # but that would be a bad idea as they are large. 6768b07e49aSJulian Elischer 67709fe6320SNavdeep Parharoptions TCP_OFFLOAD # TCP offload support. 678cca72379SWarner Loshoptions TCP_RFC7413 # TCP Fast Open 67909fe6320SNavdeep Parhar 68046033610SMatt Macyoptions TCPHPTS 68146033610SMatt Macy 682a22fb0daSGeorge V. Neville-Neil# In order to enable IPSEC you MUST also add device crypto to 683a22fb0daSGeorge V. Neville-Neil# your kernel configuration 684a22fb0daSGeorge V. Neville-Neiloptions IPSEC #IP security (requires device crypto) 685fcf59617SAndrey V. Elsukov 686fcf59617SAndrey V. Elsukov# Option IPSEC_SUPPORT does not enable IPsec, but makes it possible to 687fcf59617SAndrey V. Elsukov# load it as a kernel module. You still MUST add device crypto to your kernel 688fcf59617SAndrey V. Elsukov# configuration. 689fcf59617SAndrey V. Elsukovoptions IPSEC_SUPPORT 6902cb64cb2SGeorge V. Neville-Neil#options IPSEC_DEBUG #debug for IP security 691f73bbaf2SDavid Greenman 692b2e60773SJohn Baldwin 693efa9c21bSAndrew Gallatin# TLS framing and encryption/decryption of data over TCP sockets. 694efa9c21bSAndrew Gallatinoptions KERN_TLS # TLS transmit and receive offload 695b2e60773SJohn Baldwin 696237abf0cSDavide Italiano# 697237abf0cSDavide Italiano# SMB/CIFS requester 698237abf0cSDavide Italiano# NETSMB enables support for SMB protocol, it requires LIBMCHAIN and LIBICONV 699237abf0cSDavide Italiano# options. 700237abf0cSDavide Italianooptions NETSMB #SMB/CIFS requester 701237abf0cSDavide Italiano 702d8589bd5SBoris Popov# mchain library. It can be either loaded as KLD or compiled into kernel 703d8589bd5SBoris Popovoptions LIBMCHAIN 704d8589bd5SBoris Popov 7056cd047a0SGleb Smirnoff# libalias library, performing NAT 7066cd047a0SGleb Smirnoffoptions LIBALIAS 7076cd047a0SGleb Smirnoff 708f8829a4aSRandall Stewart# 709f8829a4aSRandall Stewart# SCTP is a NEW transport protocol defined by 710f8829a4aSRandall Stewart# RFC2960 updated by RFC3309 and RFC3758.. and 711f8829a4aSRandall Stewart# soon to have a new base RFC and many many more 712f8829a4aSRandall Stewart# extensions. This release supports all the extensions 713f8829a4aSRandall Stewart# including many drafts (most about to become RFC's). 7149c0ef6d5SOliver Fromme# It is the reference implementation of SCTP 715f8829a4aSRandall Stewart# and is quite well tested. 716f8829a4aSRandall Stewart# 717f8829a4aSRandall Stewart# Note YOU MUST have both INET and INET6 defined. 7189c0ef6d5SOliver Fromme# You don't have to enable V6, but SCTP is 7199c0ef6d5SOliver Fromme# dual stacked and so far we have not torn apart 720f8829a4aSRandall Stewart# the V6 and V4.. since an association can span 721f8829a4aSRandall Stewart# both a V6 and V4 address at the SAME time :-) 722f8829a4aSRandall Stewart# 72395033af9SMark Johnston# The SCTP_SUPPORT option does not enable SCTP, but provides the necessary 72495033af9SMark Johnston# support for loading SCTP as a loadable kernel module. 72595033af9SMark Johnston# 726f8829a4aSRandall Stewartoptions SCTP 72795033af9SMark Johnstonoptions SCTP_SUPPORT 72895033af9SMark Johnston 729f8829a4aSRandall Stewart# There are bunches of options: 730f8829a4aSRandall Stewart# this one turns on all sorts of 731d51e8487SJosh Paetzel# nastily printing that you can 7329c0ef6d5SOliver Fromme# do. It's all controlled by a 733f8829a4aSRandall Stewart# bit mask (settable by socket opt and 734f8829a4aSRandall Stewart# by sysctl). Including will not cause 735f8829a4aSRandall Stewart# logging until you set the bits.. but it 736f8829a4aSRandall Stewart# can be quite verbose.. so without this 737f8829a4aSRandall Stewart# option we don't do any of the tests for 738f8829a4aSRandall Stewart# bits and prints.. which makes the code run 739f8829a4aSRandall Stewart# faster.. if you are not debugging don't use. 740f8829a4aSRandall Stewartoptions SCTP_DEBUG 74195033af9SMark Johnston 742f8829a4aSRandall Stewart# 743f8829a4aSRandall Stewart# All that options after that turn on specific types of 744f8829a4aSRandall Stewart# logging. You can monitor CWND growth, flight size 745f8829a4aSRandall Stewart# and all sorts of things. Go look at the code and 746f8829a4aSRandall Stewart# see. I have used this to produce interesting 747f8829a4aSRandall Stewart# charts and graphs as well :-> 748f8829a4aSRandall Stewart# 7499c0ef6d5SOliver Fromme# I have not yet committed the tools to get and print 750f8829a4aSRandall Stewart# the logs, I will do that eventually .. before then 751f8829a4aSRandall Stewart# if you want them send me an email rrs@freebsd.org 752f7e95633SRuslan Ermilov# You basically must have ktr(4) enabled for these 753cb7a4976SRandall Stewart# and you then set the sysctl to turn on/off various 754f7e95633SRuslan Ermilov# logging bits. Use ktrdump(8) to pull the log and run 7559c0ef6d5SOliver Fromme# it through a display program.. and graphs and other 756cb7a4976SRandall Stewart# things too. 757f8829a4aSRandall Stewart# 758f8829a4aSRandall Stewartoptions SCTP_LOCK_LOGGING 759f8829a4aSRandall Stewartoptions SCTP_MBUF_LOGGING 760cb7a4976SRandall Stewartoptions SCTP_MBCNT_LOGGING 761cb7a4976SRandall Stewartoptions SCTP_PACKET_LOGGING 762cb7a4976SRandall Stewartoptions SCTP_LTRACE_CHUNKS 763cb7a4976SRandall Stewartoptions SCTP_LTRACE_ERRORS 764cb7a4976SRandall Stewart 76502b199f1SMax Laier# altq(9). Enable the base part of the hooks with the ALTQ option. 76602b199f1SMax Laier# Individual disciplines must be built into the base system and can not be 767cceffdeeSAndrew Thompson# loaded as modules at this point. ALTQ requires a stable TSC so if yours is 768cceffdeeSAndrew Thompson# broken or changes with CPU throttling then you must also have the ALTQ_NOPCC 769cceffdeeSAndrew Thompson# option. 77002b199f1SMax Laieroptions ALTQ 771755911cdSGreg Leheyoptions ALTQ_CBQ # Class Based Queueing 772c7219167SMax Laieroptions ALTQ_RED # Random Early Detection 77302b199f1SMax Laieroptions ALTQ_RIO # RED In/Out 774a13bfb09SLuiz Otavio O Souzaoptions ALTQ_CODEL # CoDel Active Queueing 77502b199f1SMax Laieroptions ALTQ_HFSC # Hierarchical Packet Scheduler 776a5b789f6SErmal Luçioptions ALTQ_FAIRQ # Fair Packet Scheduler 77702b199f1SMax Laieroptions ALTQ_CDNR # Traffic conditioner 7783c7c6c12SMike Pritchardoptions ALTQ_PRIQ # Priority Queueing 779cceffdeeSAndrew Thompsonoptions ALTQ_NOPCC # Required if the TSC is unusable 78002b199f1SMax Laieroptions ALTQ_DEBUG 78102b199f1SMax Laier 7824cf49a43SJulian Elischer# netgraph(4). Enable the base netgraph code with the NETGRAPH option. 7834cf49a43SJulian Elischer# Individual node types can be enabled with the corresponding option 7844cf49a43SJulian Elischer# listed below; however, this is not strictly necessary as netgraph 7854cf49a43SJulian Elischer# will automatically load the corresponding KLD module if the node type 78692a3e552SArchie Cobbs# is not already compiled into the kernel. Each type below has a 78792a3e552SArchie Cobbs# corresponding man page, e.g., ng_async(8). 7884cf49a43SJulian Elischeroptions NETGRAPH # netgraph(4) system 78973e87266SGleb Smirnoffoptions NETGRAPH_DEBUG # enable extra debugging, this 79073e87266SGleb Smirnoff # affects netgraph(4) and nodes 79173e87266SGleb Smirnoff# Node types 7924cf49a43SJulian Elischeroptions NETGRAPH_ASYNC 793bde778e9SBenno Riceoptions NETGRAPH_ATMLLC 794b84b10f9SMaksim Yevmenkinoptions NETGRAPH_ATM_ATMPIF 795b84b10f9SMaksim Yevmenkinoptions NETGRAPH_BLUETOOTH # ng_bluetooth(4) 796b84b10f9SMaksim Yevmenkinoptions NETGRAPH_BLUETOOTH_HCI # ng_hci(4) 797b84b10f9SMaksim Yevmenkinoptions NETGRAPH_BLUETOOTH_L2CAP # ng_l2cap(4) 798b84b10f9SMaksim Yevmenkinoptions NETGRAPH_BLUETOOTH_SOCKET # ng_btsocket(4) 799b84b10f9SMaksim Yevmenkinoptions NETGRAPH_BLUETOOTH_UBT # ng_ubt(4) 800b84b10f9SMaksim Yevmenkinoptions NETGRAPH_BLUETOOTH_UBTBCMFW # ubtbcmfw(4) 80192a3e552SArchie Cobbsoptions NETGRAPH_BPF 802901fadf7SArchie Cobbsoptions NETGRAPH_BRIDGE 8037d3b4a08SAlexander Motinoptions NETGRAPH_CAR 804b9e0c8c2SMaxim Sobolevoptions NETGRAPH_CHECKSUM 8054cf49a43SJulian Elischeroptions NETGRAPH_CISCO 8069e6f1d3bSGleb Smirnoffoptions NETGRAPH_DEFLATE 80731578ac8SGleb Smirnoffoptions NETGRAPH_DEVICE 8084cf49a43SJulian Elischeroptions NETGRAPH_ECHO 8099d564133SRobert Watsonoptions NETGRAPH_EIFACE 81046aa8b9bSArchie Cobbsoptions NETGRAPH_ETHER 8114cf49a43SJulian Elischeroptions NETGRAPH_FRAME_RELAY 81237379158SBrooks Davisoptions NETGRAPH_GIF 81337379158SBrooks Davisoptions NETGRAPH_GIF_DEMUX 8144cf49a43SJulian Elischeroptions NETGRAPH_HOLE 8154cf49a43SJulian Elischeroptions NETGRAPH_IFACE 81637379158SBrooks Davisoptions NETGRAPH_IP_INPUT 817f2a7ef4eSGleb Smirnoffoptions NETGRAPH_IPFW 81848e94174SArchie Cobbsoptions NETGRAPH_KSOCKET 819901fadf7SArchie Cobbsoptions NETGRAPH_L2TP 8204cf49a43SJulian Elischeroptions NETGRAPH_LMI 821ec5753e0SPedro F. Giffunioptions NETGRAPH_MPPC_COMPRESSION 822a2b408adSArchie Cobbsoptions NETGRAPH_MPPC_ENCRYPTION 823cec50deaSGleb Smirnoffoptions NETGRAPH_NETFLOW 8246cd047a0SGleb Smirnoffoptions NETGRAPH_NAT 8257d7a5b89SArchie Cobbsoptions NETGRAPH_ONE2MANY 826d05181f9SAndrey V. Elsukovoptions NETGRAPH_PATCH 827991633afSMarko Zecoptions NETGRAPH_PIPE 828b0801bacSArchie Cobbsoptions NETGRAPH_PPP 829b0801bacSArchie Cobbsoptions NETGRAPH_PPPOE 830add85a1dSArchie Cobbsoptions NETGRAPH_PPTPGRE 8319e6f1d3bSGleb Smirnoffoptions NETGRAPH_PRED1 8324cf49a43SJulian Elischeroptions NETGRAPH_RFC1490 833b0801bacSArchie Cobbsoptions NETGRAPH_SOCKET 8344d60fee2SBrooks Davisoptions NETGRAPH_SPLIT 835d473c9d5SGleb Smirnoffoptions NETGRAPH_TAG 836e9110049SGleb Smirnoffoptions NETGRAPH_TCPMSS 8374cf49a43SJulian Elischeroptions NETGRAPH_TEE 8384cf49a43SJulian Elischeroptions NETGRAPH_UI 839b58a8a3bSJulian Elischeroptions NETGRAPH_VJC 840b4263060SRuslan Ermilovoptions NETGRAPH_VLAN 841666ea1b6SMaksim Yevmenkin 84202152e8fSHartmut Brandt# NgATM - Netgraph ATM 84302152e8fSHartmut Brandtoptions NGATM_ATM 844027ebd2fSHartmut Brandtoptions NGATM_ATMBASE 845027ebd2fSHartmut Brandtoptions NGATM_SSCOP 846027ebd2fSHartmut Brandtoptions NGATM_SSCFU 847ed91f9a5SHartmut Brandtoptions NGATM_UNI 848a7e22394SHartmut Brandtoptions NGATM_CCATM 84902152e8fSHartmut Brandt 8500990ef0aSKevin Lo# Network stack virtualization. 8518e94025bSBjoern A. Zeeboptions VIMAGE 8528e94025bSBjoern A. Zeeboptions VNET_DEBUG # debug for VIMAGE 8530990ef0aSKevin Lo 8546a8d6623SGarrett Wollman# 8556a8d6623SGarrett Wollman# Network interfaces: 856f71c01ccSPeter Wemm# The `loop' device is MANDATORY when networking is enabled. 85736782d14SWojciech A. Koszekdevice loop 85836782d14SWojciech A. Koszek 859f71c01ccSPeter Wemm# The `ether' device provides generic code to handle 8609d5abbddSJens Schweikhardt# Ethernets; it is MANDATORY when an Ethernet device driver is 86169f0fecbSBrooks Davis# configured. 86236782d14SWojciech A. Koszekdevice ether 86336782d14SWojciech A. Koszek 864fc67901fSYaroslav Tykhiy# The `vlan' device implements the VLAN tagging of Ethernet frames 8659d9ab10eSAntoine Brodin# according to IEEE 802.1Q. 86636782d14SWojciech A. Koszekdevice vlan 86736782d14SWojciech A. Koszek 868007054f0SBryan Venteicher# The `vxlan' device implements the VXLAN encapsulation of Ethernet 869007054f0SBryan Venteicher# frames in UDP packets according to RFC7348. 870007054f0SBryan Venteicherdevice vxlan 871007054f0SBryan Venteicher 87257a42501SGarrett Wollman# The `wlan' device provides generic code to support 802.11 87367e4db77SSam Leffler# drivers, including host AP mode; it is MANDATORY for the wi, 874f4463607SSam Leffler# and ath drivers and will eventually be required by all 802.11 drivers. 87536782d14SWojciech A. Koszekdevice wlan 87636782d14SWojciech A. Koszekoptions IEEE80211_DEBUG #enable debugging msgs 87759aa14a9SRui Paulooptions IEEE80211_SUPPORT_MESH #enable 802.11s D3.0 support 87859aa14a9SRui Paulooptions IEEE80211_SUPPORT_TDMA #enable TDMA support 87936782d14SWojciech A. Koszek 88067e4db77SSam Leffler# The `wlan_wep', `wlan_tkip', and `wlan_ccmp' devices provide 88167e4db77SSam Leffler# support for WEP, TKIP, and AES-CCMP crypto protocols optionally 88267e4db77SSam Leffler# used with 802.11 devices that depend on the `wlan' module. 88336782d14SWojciech A. Koszekdevice wlan_wep 88436782d14SWojciech A. Koszekdevice wlan_ccmp 88536782d14SWojciech A. Koszekdevice wlan_tkip 88636782d14SWojciech A. Koszek 88767e4db77SSam Leffler# The `wlan_xauth' device provides support for external (i.e. user-mode) 88867e4db77SSam Leffler# authenticators for use with 802.11 drivers that use the `wlan' 88934341a71SJohn Baldwin# module and support 802.1x and/or WPA security protocols. 89036782d14SWojciech A. Koszekdevice wlan_xauth 89136782d14SWojciech A. Koszek 89267e4db77SSam Leffler# The `wlan_acl' device provides a MAC-based access control mechanism 89367e4db77SSam Leffler# for use with 802.11 drivers operating in ap mode and using the 89467e4db77SSam Leffler# `wlan' module. 89536782d14SWojciech A. Koszek# The 'wlan_amrr' device provides AMRR transmit rate control algorithm 89636782d14SWojciech A. Koszekdevice wlan_acl 89736782d14SWojciech A. Koszekdevice wlan_amrr 89836782d14SWojciech A. Koszek 899f71c01ccSPeter Wemm# The `bpf' device enables the Berkeley Packet Filter. Be 900d29895dcSGarrett Wollman# aware of the legal and administrative consequences of enabling this 9019c0ef6d5SOliver Fromme# option. DHCP requires bpf. 90236782d14SWojciech A. Koszekdevice bpf 90336782d14SWojciech A. Koszek 904e4b68814SLuigi Rizzo# The `netmap' device implements memory-mapped access to network 905e4b68814SLuigi Rizzo# devices from userspace, enabling wire-speed packet capture and 906e4b68814SLuigi Rizzo# generation even at 10Gbit/s. Requires support in the device 907e4b68814SLuigi Rizzo# driver. Supported drivers are ixgbe, e1000, re. 908e4b68814SLuigi Rizzodevice netmap 909e4b68814SLuigi Rizzo 910f71c01ccSPeter Wemm# The `disc' device implements a minimal network interface, 91159d8d13fSGarrett Wollman# which throws away all packets sent and never receives any. It is 91270e04181SYaroslav Tykhiy# included for testing and benchmarking purposes. 91336782d14SWojciech A. Koszekdevice disc 91436782d14SWojciech A. Koszek 915d0ea4743SBjoern A. Zeeb# The `epair' device implements a virtual back-to-back connected Ethernet 916d0ea4743SBjoern A. Zeeb# like interface pair. 917d0ea4743SBjoern A. Zeebdevice epair 918d0ea4743SBjoern A. Zeeb 91963518eccSYaroslav Tykhiy# The `edsc' device implements a minimal Ethernet interface, 92063518eccSYaroslav Tykhiy# which discards all packets sent and receives none. 92136782d14SWojciech A. Koszekdevice edsc 92236782d14SWojciech A. Koszek 923251a32b5SKyle Evans# The `tuntap' device implements (user-)ppp, nos-tun(8) and a pty-like virtual 924251a32b5SKyle Evans# Ethernet interface 925251a32b5SKyle Evansdevice tuntap 92636782d14SWojciech A. Koszek 927f71c01ccSPeter Wemm# The `gif' device implements IPv6 over IP4 tunneling, 928cfa1ca9dSYoshinobu Inoue# IPv4 over IPv6 tunneling, IPv4 over IPv4 tunneling and 929cfa1ca9dSYoshinobu Inoue# IPv6 over IPv6 tunneling. 930f325335cSAndrey V. Elsukov# The `gre' device implements GRE (Generic Routing Encapsulation) tunneling, 931f325335cSAndrey V. Elsukov# as specified in the RFC 2784 and RFC 2890. 932f325335cSAndrey V. Elsukov# The `me' device implements Minimal Encapsulation within IPv4 as 933f325335cSAndrey V. Elsukov# specified in the RFC 2004. 934f57fc21cSJeroen Ruigrok van der Werven# The XBONEHACK option allows the same pair of addresses to be configured on 935f57fc21cSJeroen Ruigrok van der Werven# multiple gif interfaces. 93636782d14SWojciech A. Koszekdevice gif 93736782d14SWojciech A. Koszekdevice gre 938f325335cSAndrey V. Elsukovdevice me 93936782d14SWojciech A. Koszekoptions XBONEHACK 94036782d14SWojciech A. Koszek 941d5015639SMunechika SUMIKAWA# The `stf' device implements 6to4 encapsulation. 94236782d14SWojciech A. Koszekdevice stf 94336782d14SWojciech A. Koszek 9448d69c48bSMax Laier# The pf packet filter consists of three devices: 9458d69c48bSMax Laier# The `pf' device provides /dev/pf and the firewall code itself. 9468d69c48bSMax Laier# The `pflog' device provides the pflog0 interface which logs packets. 9478d69c48bSMax Laier# The `pfsync' device provides the pfsync0 interface used for 9488d69c48bSMax Laier# synchronization of firewall state tables (over the net). 94936782d14SWojciech A. Koszekdevice pf 95036782d14SWojciech A. Koszekdevice pflog 95136782d14SWojciech A. Koszekdevice pfsync 95236782d14SWojciech A. Koszek 95336782d14SWojciech A. Koszek# Bridge interface. 95436782d14SWojciech A. Koszekdevice if_bridge 95536782d14SWojciech A. Koszek 95636782d14SWojciech A. Koszek# Common Address Redundancy Protocol. See carp(4) for more details. 95736782d14SWojciech A. Koszekdevice carp 95836782d14SWojciech A. Koszek 95936782d14SWojciech A. Koszek# IPsec interface. 96036782d14SWojciech A. Koszekdevice enc 96136782d14SWojciech A. Koszek 96236782d14SWojciech A. Koszek# Link aggregation interface. 96336782d14SWojciech A. Koszekdevice lagg 96436782d14SWojciech A. Koszek 9658d69c48bSMax Laier# 9666a8d6623SGarrett Wollman# Internet family options: 9676a8d6623SGarrett Wollman# 9686a8d6623SGarrett Wollman# MROUTING enables the kernel multicast packet forwarder, which works 9690948f0a2SBruce M Simpson# with mrouted and XORP. 970e0f688baSJeffrey Hsu# 971d29895dcSGarrett Wollman# IPFIREWALL enables support for IP firewall construction, in 972ff6f025aSAlexander Langer# conjunction with the `ipfw' program. IPFIREWALL_VERBOSE sends 973ff6f025aSAlexander Langer# logged packets to the system logger. IPFIREWALL_VERBOSE_LIMIT 974ff6f025aSAlexander Langer# limits the number of times a matching entry can be logged. 975ab6e02daSJordan K. Hubbard# 976ab6e02daSJordan K. Hubbard# WARNING: IPFIREWALL defaults to a policy of "deny ip from any to any" 977ab6e02daSJordan K. Hubbard# and if you do not add other rules during startup to allow access, 978a236d14cSJordan K. Hubbard# YOU WILL LOCK YOURSELF OUT. It is suggested that you set firewall_type=open 979ab6e02daSJordan K. Hubbard# in /etc/rc.conf when first enabling this feature, then refining the 980ab6e02daSJordan K. Hubbard# firewall rules in /etc/rc.firewall after you've tested that the new kernel 981ab6e02daSJordan K. Hubbard# feature works properly. 9828dd4744eSJordan K. Hubbard# 983ffdd472dSPeter Wemm# IPFIREWALL_DEFAULT_TO_ACCEPT causes the default rule (at boot) to 984ffdd472dSPeter Wemm# allow everything. Use with care, if a cracker can crash your 985ffdd472dSPeter Wemm# firewall machine, they can get to your protected machines. However, 986ffdd472dSPeter Wemm# if you are using it as an as-needed filter for specific problems as 987ffdd472dSPeter Wemm# they arise, then this may be for you. Changing the default to 'allow' 988ffdd472dSPeter Wemm# means that you won't get stuck if the kernel and /sbin/ipfw binary get 989ffdd472dSPeter Wemm# out of sync. 990d29895dcSGarrett Wollman# 99184bb6a2eSAndre Oppermann# IPDIVERT enables the divert IP sockets, used by ``ipfw divert''. It 99284bb6a2eSAndre Oppermann# depends on IPFIREWALL if compiled into the kernel. 99393e0e116SJulian Elischer# 99461c0e134SPaolo Pisati# IPFIREWALL_NAT adds support for in kernel nat in ipfw, and it requires 995531c890bSPaolo Pisati# LIBALIAS. 99661c0e134SPaolo Pisati# 997d8caf56eSAndrey V. Elsukov# IPFIREWALL_NAT64 adds support for in kernel NAT64 in ipfw. 998d8caf56eSAndrey V. Elsukov# 999b867e84eSAndrey V. Elsukov# IPFIREWALL_NPTV6 adds support for in kernel NPTv6 in ipfw. 1000b867e84eSAndrey V. Elsukov# 1001aac74aeaSAndrey V. Elsukov# IPFIREWALL_PMOD adds support for protocols modification module. Currently 1002aac74aeaSAndrey V. Elsukov# it supports only TCP MSS modification. 1003aac74aeaSAndrey V. Elsukov# 10041b968362SDag-Erling Smørgrav# IPSTEALTH enables code to support stealth forwarding (i.e., forwarding 10051c9c6382SRuslan Ermilov# packets without touching the TTL). This can be useful to hide firewalls 10061b968362SDag-Erling Smørgrav# from traceroute and similar tools. 10071b968362SDag-Erling Smørgrav# 10087f7ef494SGleb Smirnoff# PF_DEFAULT_TO_DROP causes the default pf(4) rule to deny everything. 10097f7ef494SGleb Smirnoff# 10105e331acdSGarrett Wollman# TCPDEBUG enables code which keeps traces of the TCP state machine 10115e331acdSGarrett Wollman# for sockets with the SO_DEBUG option set, which can then be examined 10125e331acdSGarrett Wollman# using the trpt(8) utility. 101365e8111fSBruce Evans# 101486a996e6SHiren Panchasara# TCPPCAP enables code which keeps the last n packets sent and received 101586a996e6SHiren Panchasara# on a TCP socket. 101686a996e6SHiren Panchasara# 1017e24e5683SJonathan T. Looney# TCP_BLACKBOX enables enhanced TCP event logging. 1018e24e5683SJonathan T. Looney# 1019bd79708dSJonathan T. Looney# TCP_HHOOK enables the hhook(9) framework hooks for the TCP stack. 1020bd79708dSJonathan T. Looney# 1021fedeb08bSAlexander V. Chernikov# ROUTE_MPATH provides support for multipath routing. 10229731596aSGleb Smirnoff# 1023e3178a06SJordan K. Hubbardoptions MROUTING # Multicast routing 1024d29895dcSGarrett Wollmanoptions IPFIREWALL #firewall 10254479e72cSCrist J. Clarkoptions IPFIREWALL_VERBOSE #enable logging to syslogd(8) 10265895e3c8SPeter Wemmoptions IPFIREWALL_VERBOSE_LIMIT=100 #limit verbosity 1027e43a9900SAlexander Langeroptions IPFIREWALL_DEFAULT_TO_ACCEPT #allow everything by default 102861c0e134SPaolo Pisatioptions IPFIREWALL_NAT #ipfw kernel nat support 1029d8caf56eSAndrey V. Elsukovoptions IPFIREWALL_NAT64 #ipfw kernel NAT64 support 1030b867e84eSAndrey V. Elsukovoptions IPFIREWALL_NPTV6 #ipfw kernel IPv6 NPT support 103193e0e116SJulian Elischeroptions IPDIVERT #divert sockets 10329cc86ee9SGuido van Rooijoptions IPFILTER #ipfilter support 10339cc86ee9SGuido van Rooijoptions IPFILTER_LOG #ipfilter logging 10340c3757dfSDarren Reedoptions IPFILTER_LOOKUP #ipfilter pools 10358259bcdfSJeroen Ruigrok van der Wervenoptions IPFILTER_DEFAULT_BLOCK #block all packets by default 10361b968362SDag-Erling Smørgravoptions IPSTEALTH #support for stealth forwarding 10377f7ef494SGleb Smirnoffoptions PF_DEFAULT_TO_DROP #drop everything by default 103865e8111fSBruce Evansoptions TCPDEBUG 103986a996e6SHiren Panchasaraoptions TCPPCAP 1040e24e5683SJonathan T. Looneyoptions TCP_BLACKBOX 1041bd79708dSJonathan T. Looneyoptions TCP_HHOOK 1042fedeb08bSAlexander V. Chernikovoptions ROUTE_MPATH 10436a8d6623SGarrett Wollman 104453dcc544SMike Silbersack# The MBUF_STRESS_TEST option enables options which create 104553dcc544SMike Silbersack# various random failures / extreme cases related to mbuf 1046f8f8803bSBruce Evans# functions. See mbuf(9) for a list of available test cases. 10474e77d255SJulian Elischer# MBUF_PROFILING enables code to profile the mbuf chains 10486eeac1d9SJulian Elischer# exiting the system (via participating interfaces) and 10496eeac1d9SJulian Elischer# return a logarithmic histogram of monitored parameters 10506eeac1d9SJulian Elischer# (e.g. packet size, wasted space, number of mbufs in chain). 105153dcc544SMike Silbersackoptions MBUF_STRESS_TEST 10526eeac1d9SJulian Elischeroptions MBUF_PROFILING 10534a5ccac7SMike Silbersack 10549c0ef6d5SOliver Fromme# Statically link in accept filters 1055a79b7128SAlfred Perlsteinoptions ACCEPT_FILTER_DATA 1056744eaff7SDavid Maloneoptions ACCEPT_FILTER_DNS 1057a79b7128SAlfred Perlsteinoptions ACCEPT_FILTER_HTTP 1058a79b7128SAlfred Perlstein 1059b52f8407SBruce M Simpson# TCP_SIGNATURE adds support for RFC 2385 (TCP-MD5) digests. These are 1060b52f8407SBruce M Simpson# carried in TCP option 19. This option is commonly used to protect 1061b52f8407SBruce M Simpson# TCP sessions (e.g. BGP) where IPSEC is not available nor desirable. 1062b52f8407SBruce M Simpson# This is enabled on a per-socket basis using the TCP_MD5SIG socket option. 1063fcf59617SAndrey V. Elsukov# This requires the use of 'device crypto' and either 'options IPSEC' or 1064fcf59617SAndrey V. Elsukov# 'options IPSEC_SUPPORT'. 10655164136dSBjoern A. Zeeboptions TCP_SIGNATURE #include support for RFC 2385 1066b52f8407SBruce M Simpson 1067f8f8803bSBruce Evans# DUMMYNET enables the "dummynet" bandwidth limiter. You need IPFIREWALL 1068f8f8803bSBruce Evans# as well. See dummynet(4) and ipfw(8) for more info. When you run 10690f882bb1SWarner Losh# DUMMYNET, HZ/kern.hz should be at least 1000 for adequate response. 107068ec4eb6SLuigi Rizzooptions DUMMYNET 107168e9d934SLuigi Rizzo 1072dda17b36SConrad Meyer# The DEBUGNET option enables a basic debug/panic-time networking API. It 1073dda17b36SConrad Meyer# is used by NETDUMP and NETGDB. 1074dda17b36SConrad Meyeroptions DEBUGNET 1075dda17b36SConrad Meyer 1076e5054602SMark Johnston# The NETDUMP option enables netdump(4) client support in the kernel. 1077e5054602SMark Johnston# This allows a panicking kernel to transmit a kernel dump to a remote host. 1078e5054602SMark Johnstonoptions NETDUMP 1079e5054602SMark Johnston 1080dda17b36SConrad Meyer# The NETGDB option enables netgdb(4) support in the kernel. This allows a 1081dda17b36SConrad Meyer# panicking kernel to be debugged as a GDB remote over the network. 1082dda17b36SConrad Meyeroptions NETGDB 10837790c8c1SConrad Meyer 10846a8d6623SGarrett Wollman##################################################################### 10856a8d6623SGarrett Wollman# FILESYSTEM OPTIONS 1086e3178a06SJordan K. Hubbard 10872365e64fSRodney W. Grimes# 10883f850e6aSKonstantin Belousov# Only the root filesystem needs to be statically compiled or preloaded 10893f850e6aSKonstantin Belousov# as module; everything else will be automatically loaded at mount 10903f850e6aSKonstantin Belousov# time. Some people still prefer to statically compile other 10913f850e6aSKonstantin Belousov# filesystems as well. 10926a8d6623SGarrett Wollman# 109355793cdcSAttilio Rao# NB: The UNION filesystem was known to be buggy in the past. It is now 1094534046e3SRong-En Fan# being actively maintained, although there are still some issues being 1095534046e3SRong-En Fan# resolved. 10962365e64fSRodney W. Grimes# 1097f1a9c715SDavid Greenman 10986a8d6623SGarrett Wollman# One of these is mandatory: 10996a8d6623SGarrett Wollmanoptions FFS #Fast filesystem 1100c15882f0SRick Macklemoptions NFSCL #Network File System client 11016a8d6623SGarrett Wollman 11026a8d6623SGarrett Wollman# The rest are optional: 11033914ddf8SEdward Tomasz Napieralaoptions AUTOFS #Automounter filesystem 11045895e3c8SPeter Wemmoptions CD9660 #ISO 9660 filesystem 110599d300a1SRuslan Ermilovoptions FDESCFS #File descriptor filesystem 1106123af6ecSAlan Somersoptions FUSEFS #FUSEFS support module 1107dba11ce5SAlexander Langeroptions MSDOSFS #MS DOS File System (FAT, FAT32) 1108dfdcada3SDoug Rabsonoptions NFSLOCKD #Network Lock Manager 11093e32dff5SJohn Baldwinoptions NFSD #Network Filesystem Server 11109c0ef6d5SOliver Frommeoptions KGSSAPI #Kernel GSSAPI implementation 11111bea7c61SMaxim Sobolev 1112f1a9c715SDavid Greenmanoptions NULLFS #NULL filesystem 11134d2647f9SDag-Erling Smørgravoptions PROCFS #Process filesystem (requires PSEUDOFS) 111452ebde4fSDag-Erling Smørgravoptions PSEUDOFS #Pseudo-filesystem framework 1115bcc1205cSDag-Erling Smørgravoptions PSEUDOFS_TRACE #Debugging support for PSEUDOFS 1116237abf0cSDavide Italianooptions SMBFS #SMB/CIFS filesystem 111778920d0fSKevin Looptions TMPFS #Efficient memory filesystem 1118df263cbdSScott Longoptions UDF #Universal Disk Format 111999d300a1SRuslan Ermilovoptions UNIONFS #Union filesystem 1120bcf77694SPeter Wemm# The xFS_ROOT options REQUIRE the associated ``options xFS'' 1121bcf77694SPeter Wemmoptions NFS_ROOT #NFS usable as root device 1122f1a9c715SDavid Greenman 1123d0a28bafSAlexander Langer# Soft updates is a technique for improving filesystem speed and 1124d61e6649SAlexander Langer# making abrupt shutdown less risky. 1125f8f8d7afSEivind Eklund# 11263d5c4fdcSPoul-Henning Kampoptions SOFTUPDATES 1127b1897c19SJulian Elischer 1128a64ed089SRobert Watson# Extended attributes allow additional data to be associated with files, 112951be6918SChris D. Faulhaber# and is used for ACLs, Capabilities, and MAC labels. 113051be6918SChris D. Faulhaber# See src/sys/ufs/ufs/README.extattr for more information. 113149993db0SRobert Watsonoptions UFS_EXTATTR 113249993db0SRobert Watsonoptions UFS_EXTATTR_AUTOSTART 1133a64ed089SRobert Watson 113451be6918SChris D. Faulhaber# Access Control List support for UFS filesystems. The current ACL 113551be6918SChris D. Faulhaber# implementation requires extended attribute support, UFS_EXTATTR, 113651be6918SChris D. Faulhaber# for the underlying filesystem. 113751be6918SChris D. Faulhaber# See src/sys/ufs/ufs/README.acls for more information. 113851be6918SChris D. Faulhaberoptions UFS_ACL 113951be6918SChris D. Faulhaber 11409b5ad47fSIan Dowse# Directory hashing improves the speed of operations on very large 11419b5ad47fSIan Dowse# directories at the expense of some memory. 11429b5ad47fSIan Dowseoptions UFS_DIRHASH 11439b5ad47fSIan Dowse 1144f348204cSPawel Jakub Dawidek# Gjournal-based UFS journaling support. 1145f348204cSPawel Jakub Dawidekoptions UFS_GJOURNAL 1146f348204cSPawel Jakub Dawidek 114771e4fff8SPoul-Henning Kamp# Make space in the kernel for a root filesystem on a md device. 114871e4fff8SPoul-Henning Kamp# Define to the number of kilobytes to reserve for the filesystem. 1149f4c1f0b9SAdrian Chadd# This is now optional. 1150f4c1f0b9SAdrian Chadd# If not defined, the root filesystem passed in as the MFS_IMAGE makeoption 1151f4c1f0b9SAdrian Chadd# will be automatically embedded in the kernel during linking. Its exact size 1152f4c1f0b9SAdrian Chadd# will be consumed within the kernel. 1153f4c1f0b9SAdrian Chadd# If defined, the old way of embedding the filesystem in the kernel will be 1154f4c1f0b9SAdrian Chadd# used. That is to say MD_ROOT_SIZE KB will be allocated in the kernel and 1155f4c1f0b9SAdrian Chadd# later, the filesystem image passed in as the MFS_IMAGE makeoption will be 1156f4c1f0b9SAdrian Chadd# dd'd into the reserved space if it fits. 115771e4fff8SPoul-Henning Kampoptions MD_ROOT_SIZE=10 115871e4fff8SPoul-Henning Kamp 115971e4fff8SPoul-Henning Kamp# Make the md device a potential root device, either with preloaded 116071e4fff8SPoul-Henning Kamp# images of type mfs_root or md_root. 116171e4fff8SPoul-Henning Kampoptions MD_ROOT 1162d52d7365SPoul-Henning Kamp 11635cf10fb9SIan Lepore# Write-protect the md root device so that it may not be mounted writeable. 11645cf10fb9SIan Leporeoptions MD_ROOT_READONLY 11655cf10fb9SIan Lepore 11667b2c7b92SBreno Leitao# Allow to read MD image from external memory regions 11677b2c7b92SBreno Leitaooptions MD_ROOT_MEM 11687b2c7b92SBreno Leitao 1169495967e4SEivind Eklund# Disk quotas are supported when this option is enabled. 11702365e64fSRodney W. Grimesoptions QUOTA #enable disk quotas 11716a8d6623SGarrett Wollman 1172276756a4SDag-Erling Smørgrav# If you are running a machine just as a fileserver for PC and MAC 117345c203fcSGleb Smirnoff# users, using SAMBA, you may consider setting this option 1174276756a4SDag-Erling Smørgrav# and keeping all those users' directories on a filesystem that is 1175276756a4SDag-Erling Smørgrav# mounted with the suiddir option. This gives new files the same 1176ec4e5afbSRobert Nordier# ownership as the directory (similar to group). It's a security hole 11776110161fSDag-Erling Smørgrav# if you let these users run programs, so confine it to file-servers 1178276756a4SDag-Erling Smørgrav# (but it'll save you lots of headaches in those cases). Root owned 1179276756a4SDag-Erling Smørgrav# directories are exempt and X bits are cleared. The suid bit must be 11809c0ef6d5SOliver Fromme# set on the directory as well; see chmod(1). PC owners can't see/set 1181276756a4SDag-Erling Smørgrav# ownerships so they keep getting their toes trodden on. This saves 1182276756a4SDag-Erling Smørgrav# you all the support calls as the filesystem it's used on will act as 1183276756a4SDag-Erling Smørgrav# they expect: "It's my dir so it must be my file". 1184cb800e34SJulian Elischer# 1185cb800e34SJulian Elischeroptions SUIDDIR 1186cb800e34SJulian Elischer 1187df394affSJohn-Mark Gurney# NFS options: 11885895e3c8SPeter Wemmoptions NFS_MINATTRTIMO=3 # VREG attrib cache timeout in sec 11895895e3c8SPeter Wemmoptions NFS_MAXATTRTIMO=60 11905895e3c8SPeter Wemmoptions NFS_MINDIRATTRTIMO=30 # VDIR attrib cache timeout in sec 11915895e3c8SPeter Wemmoptions NFS_MAXDIRATTRTIMO=60 1192df394affSJohn-Mark Gurneyoptions NFS_DEBUG # Enable NFS Debugging 1193df394affSJohn-Mark Gurney 1194053a2b61SEivind Eklund# 1195053a2b61SEivind Eklund# Add support for the EXT2FS filesystem of Linux fame. Be a bit 1196053a2b61SEivind Eklund# careful with this - the ext2fs code has a tendency to lag behind 1197053a2b61SEivind Eklund# changes and not be exercised very much, so mounting read/write could 1198053a2b61SEivind Eklund# be dangerous (and even mounting read only could result in panics.) 1199053a2b61SEivind Eklund# 12005895e3c8SPeter Wemmoptions EXT2FS 1201053a2b61SEivind Eklund 12028ab2f5ecSMark Murray# The system memory devices; /dev/mem, /dev/kmem 1203e83e229dSWarner Loshdevice mem 12048ab2f5ecSMark Murray 120500a5db46SStacey Son# The kernel symbol table device; /dev/ksyms 120600a5db46SStacey Sondevice ksyms 120700a5db46SStacey Son 1208c4f02a89SMax Khon# Optional character code conversion support with LIBICONV. 1209c4f02a89SMax Khon# Each option requires their base file system and LIBICONV. 1210c4f02a89SMax Khonoptions CD9660_ICONV 1211c4f02a89SMax Khonoptions MSDOSFS_ICONV 1212126f0dfaSScott Longoptions UDF_ICONV 1213c4f02a89SMax Khon 12146a8d6623SGarrett Wollman 12156a8d6623SGarrett Wollman##################################################################### 1216abc97a06SBruce Evans# POSIX P1003.1B 1217abc97a06SBruce Evans 12181c9c6382SRuslan Ermilov# Real time extensions added in the 1993 POSIX 1219abc97a06SBruce Evans# _KPOSIX_PRIORITY_SCHEDULING: Build in _POSIX_PRIORITY_SCHEDULING 1220abc97a06SBruce Evans 12215895e3c8SPeter Wemmoptions _KPOSIX_PRIORITY_SCHEDULING 12228cbf4973SAlfred Perlstein# p1003_1b_semaphores are very experimental, 12238cbf4973SAlfred Perlstein# user should be ready to assist in debugging if problems arise. 12243ffb9fadSAlfred Perlsteinoptions P1003_1B_SEMAPHORES 1225abc97a06SBruce Evans 12265b40ce27SDavid Xu# POSIX message queue 12275b40ce27SDavid Xuoptions P1003_1B_MQUEUE 1228abc97a06SBruce Evans 1229abc97a06SBruce Evans##################################################################### 123012e9f256SRobert Watson# SECURITY POLICY PARAMETERS 123112e9f256SRobert Watson 1232fdcba197SRobert Watson# Support for BSM audit 1233fdcba197SRobert Watsonoptions AUDIT 1234fdcba197SRobert Watson 1235cd6d1d76SBruce Evans# Support for Mandatory Access Control (MAC): 1236cd6d1d76SBruce Evansoptions MAC 1237eae2f20cSRobert Watsonoptions MAC_BIBA 1238eae2f20cSRobert Watsonoptions MAC_BSDEXTENDED 1239eae2f20cSRobert Watsonoptions MAC_IFOFF 1240c4725737SRobert Watsonoptions MAC_LOMAC 1241eae2f20cSRobert Watsonoptions MAC_MLS 1242eae2f20cSRobert Watsonoptions MAC_NONE 12433496c981SIan Leporeoptions MAC_NTPD 1244eae2f20cSRobert Watsonoptions MAC_PARTITION 124503d03162SRobert Watsonoptions MAC_PORTACL 1246bf2fa8d9SFlorian Walpenoptions MAC_PRIORITY 1247eae2f20cSRobert Watsonoptions MAC_SEEOTHERUIDS 1248782f7255SRobert Watsonoptions MAC_STUB 1249eae2f20cSRobert Watsonoptions MAC_TEST 125012e9f256SRobert Watson 125196fcc75fSRobert Watson# Support for Capsicum 125255d4d6f4SJonathan Andersonoptions CAPABILITIES # fine-grained rights on file descriptors 125355d4d6f4SJonathan Andersonoptions CAPABILITY_MODE # sandboxes with no global namespace access 125496fcc75fSRobert Watson 125512e9f256SRobert Watson 125612e9f256SRobert Watson##################################################################### 1257000033d0SJeroen Ruigrok van der Werven# CLOCK OPTIONS 1258000033d0SJeroen Ruigrok van der Werven 12590f882bb1SWarner Losh# The granularity of operation is controlled by the kernel option HZ (default 12600febdc5eSWarner Losh# frequency of 1000 Hz or a period 1ms between calls). Virtual machine guests 12610febdc5eSWarner Losh# use a value of 100. Lower values may lower overhead at the expense of accuracy 12620febdc5eSWarner Losh# of scheduling, though the adaptive tick code reduces that overhead. 1263000033d0SJeroen Ruigrok van der Werven 1264000033d0SJeroen Ruigrok van der Wervenoptions HZ=100 1265000033d0SJeroen Ruigrok van der Werven 12664cc167a3SKonstantin Belousov# Enable support for the kernel PLL to use an external PPS signal, 12674cc167a3SKonstantin Belousov# under supervision of [x]ntpd(8) 12684cc167a3SKonstantin Belousov# More info in ntpd documentation: http://www.eecis.udel.edu/~ntp 12694cc167a3SKonstantin Belousov 12704cc167a3SKonstantin Belousovoptions PPS_SYNC 12714cc167a3SKonstantin Belousov 1272b0fdc837SLawrence Stewart# Enable support for generic feed-forward clocks in the kernel. 1273b0fdc837SLawrence Stewart# The feed-forward clock support is an alternative to the feedback oriented 1274b0fdc837SLawrence Stewart# ntpd/system clock approach, and is to be used with a feed-forward 1275b0fdc837SLawrence Stewart# synchronization algorithm such as the RADclock: 1276b0fdc837SLawrence Stewart# More info here: http://www.synclab.org/radclock 1277b0fdc837SLawrence Stewart 1278b0fdc837SLawrence Stewartoptions FFCLOCK 1279b0fdc837SLawrence Stewart 1280000033d0SJeroen Ruigrok van der Werven 1281000033d0SJeroen Ruigrok van der Werven##################################################################### 1282de6a307eSPeter Dufault# SCSI DEVICES 1283de6a307eSPeter Dufault 12846a8d6623SGarrett Wollman# SCSI DEVICE CONFIGURATION 12856a8d6623SGarrett Wollman 12866a8d6623SGarrett Wollman# The SCSI subsystem consists of the `base' SCSI code, a number of 1287ebc1a0e2SPeter Dufault# high-level SCSI device `type' drivers, and the low-level host-adapter 12886a8d6623SGarrett Wollman# device drivers. The host adapters are listed in the ISA and PCI 12896a8d6623SGarrett Wollman# device configuration sections below. 12906a8d6623SGarrett Wollman# 1291e14eb5a1SGarrett Wollman# It is possible to wire down your SCSI devices so that a given bus, 1292e14eb5a1SGarrett Wollman# target, and LUN always come on line as the same device unit. In 1293e14eb5a1SGarrett Wollman# earlier versions the unit numbers were assigned in the order that 1294e14eb5a1SGarrett Wollman# the devices were probed on the SCSI bus. This means that if you 1295e14eb5a1SGarrett Wollman# removed a disk drive, you may have had to rewrite your /etc/fstab 1296e14eb5a1SGarrett Wollman# file, and also that you had to be careful when adding a new disk 1297e14eb5a1SGarrett Wollman# as it may have been probed earlier and moved your device configuration 1298ac8e5d02SConrad Meyer# around. 1299ebc1a0e2SPeter Dufault 1300ebc1a0e2SPeter Dufault# This old behavior is maintained as the default behavior. The unit 1301ebc1a0e2SPeter Dufault# assignment begins with the first non-wired down unit for a device 1302700daf5eSJustin T. Gibbs# type. For example, if you wire a disk as "da3" then the first 1303700daf5eSJustin T. Gibbs# non-wired disk will be assigned da4. 1304ebc1a0e2SPeter Dufault 1305ebc1a0e2SPeter Dufault# The syntax for wiring down devices is: 1306ebc1a0e2SPeter Dufault 1307f9ba2bbeSWarner Loshenvvar hint.scbus.0.at="ahc0" 1308f9ba2bbeSWarner Loshenvvar hint.scbus.1.at="ahc1" 1309f9ba2bbeSWarner Loshenvvar hint.scbus.1.bus="0" 1310f9ba2bbeSWarner Loshenvvar hint.scbus.3.at="ahc2" 1311f9ba2bbeSWarner Loshenvvar hint.scbus.3.bus="0" 1312f9ba2bbeSWarner Loshenvvar hint.scbus.2.at="ahc2" 1313f9ba2bbeSWarner Loshenvvar hint.scbus.2.bus="1" 1314f9ba2bbeSWarner Loshenvvar hint.da.0.at="scbus0" 1315f9ba2bbeSWarner Loshenvvar hint.da.0.target="0" 1316f9ba2bbeSWarner Loshenvvar hint.da.0.unit="0" 1317f9ba2bbeSWarner Loshenvvar hint.da.1.at="scbus3" 1318f9ba2bbeSWarner Loshenvvar hint.da.1.target="1" 1319f9ba2bbeSWarner Loshenvvar hint.da.2.at="scbus2" 1320f9ba2bbeSWarner Loshenvvar hint.da.2.target="3" 1321f9ba2bbeSWarner Loshenvvar hint.sa.1.at="scbus1" 1322f9ba2bbeSWarner Loshenvvar hint.sa.1.target="6" 1323ebc1a0e2SPeter Dufault 1324ebc1a0e2SPeter Dufault# "units" (SCSI logical unit number) that are not specified are 1325ebc1a0e2SPeter Dufault# treated as if specified as LUN 0. 1326ebc1a0e2SPeter Dufault 1327ebc1a0e2SPeter Dufault# All SCSI devices allocate as many units as are required. 1328ebc1a0e2SPeter Dufault 1329cf2458c9SMatt Jacob# The ch driver drives SCSI Media Changer ("jukebox") devices. 1330cf2458c9SMatt Jacob# 1331cf2458c9SMatt Jacob# The da driver drives SCSI Direct Access ("disk") and Optical Media 1332cf2458c9SMatt Jacob# ("WORM") devices. 1333cf2458c9SMatt Jacob# 1334cf2458c9SMatt Jacob# The sa driver drives SCSI Sequential Access ("tape") devices. 1335cf2458c9SMatt Jacob# 1336cf2458c9SMatt Jacob# The cd driver drives SCSI Read Only Direct Access ("cd") devices. 1337cf2458c9SMatt Jacob# 13383c7c6c12SMike Pritchard# The ses driver drives SCSI Environment Services ("ses") and 13393c7c6c12SMike Pritchard# SAF-TE ("SCSI Accessible Fault-Tolerant Enclosure") devices. 1340cf2458c9SMatt Jacob# 1341cf2458c9SMatt Jacob# The pt driver drives SCSI Processor devices. 1342cf2458c9SMatt Jacob# 13431eba4c79SScott Long# The sg driver provides a passthrough API that is compatible with the 1344e013e369SDmitry Chagin# Linux SG driver. It will work in conjunction with the Linuxulator 1345e013e369SDmitry Chagin# to run linux SG apps. It can also stand on its own and provide 1346d51e8487SJosh Paetzel# source level API compatibility for porting apps to FreeBSD. 1347cf2458c9SMatt Jacob# 1348cf2458c9SMatt Jacob# Target Mode support is provided here but also requires that a SIM 1349cf2458c9SMatt Jacob# (SCSI Host Adapter Driver) provide support as well. 1350cf2458c9SMatt Jacob# 1351cf2458c9SMatt Jacob# The targ driver provides target mode support as a Processor type device. 1352cf2458c9SMatt Jacob# It exists to give the minimal context necessary to respond to Inquiry 1353cf2458c9SMatt Jacob# commands. There is a sample user application that shows how the rest 1354cf2458c9SMatt Jacob# of the command support might be done in /usr/share/examples/scsi_target. 1355cf2458c9SMatt Jacob# 1356cf2458c9SMatt Jacob# The targbh driver provides target mode support and exists to respond 1357cf2458c9SMatt Jacob# to incoming commands that do not otherwise have a logical unit assigned 1358cf2458c9SMatt Jacob# to them. 1359cf2458c9SMatt Jacob# 1360b2420d4dSSergey Kandaurov# The pass driver provides a passthrough API to access the CAM subsystem. 1361ebc1a0e2SPeter Dufault 1362c9953c3bSPeter Wemmdevice scbus #base SCSI code 1363c9953c3bSPeter Wemmdevice ch #SCSI media changers 1364c9953c3bSPeter Wemmdevice da #SCSI direct access devices (aka disks) 1365c9953c3bSPeter Wemmdevice sa #SCSI tapes 1366c9953c3bSPeter Wemmdevice cd #SCSI CD-ROMs 1367dc0aa406SAlexander Motindevice ses #Enclosure Services (SES and SAF-TE) 1368cf2458c9SMatt Jacobdevice pt #SCSI processor 136964ed91d5SMatt Jacobdevice targ #SCSI Target Mode Code 137064ed91d5SMatt Jacobdevice targbh #SCSI Target Mode Blackhole Device 1371cf2458c9SMatt Jacobdevice pass #CAM passthrough driver 13721eba4c79SScott Longdevice sg #Linux SCSI passthrough 1373130f4520SKenneth D. Merrydevice ctl #CAM Target Layer 13748909a72bSPeter Dufault 1375700daf5eSJustin T. Gibbs# CAM OPTIONS: 1376700daf5eSJustin T. Gibbs# debugging options: 1377f0f25b9cSAlexander Motin# CAMDEBUG Compile in all possible debugging. 1378f0f25b9cSAlexander Motin# CAM_DEBUG_COMPILE Debug levels to compile in. 1379f0f25b9cSAlexander Motin# CAM_DEBUG_FLAGS Debug levels to enable on boot. 1380f0f25b9cSAlexander Motin# CAM_DEBUG_BUS Limit debugging to the given bus. 1381f0f25b9cSAlexander Motin# CAM_DEBUG_TARGET Limit debugging to the given target. 1382f0f25b9cSAlexander Motin# CAM_DEBUG_LUN Limit debugging to the given lun. 1383f0f25b9cSAlexander Motin# CAM_DEBUG_DELAY Delay in us after printing each debug line. 1384a3851eecSAlan Somers# CAM_IO_STATS Publish additional CAM device statics by sysctl 1385700daf5eSJustin T. Gibbs# 1386700daf5eSJustin T. Gibbs# CAM_MAX_HIGHPOWER: Maximum number of concurrent high power (start unit) cmds 1387700daf5eSJustin T. Gibbs# SCSI_NO_SENSE_STRINGS: When defined disables sense descriptions 1388700daf5eSJustin T. Gibbs# SCSI_NO_OP_STRINGS: When defined disables opcode descriptions 138956234437SKenneth D. Merry# SCSI_DELAY: The number of MILLISECONDS to freeze the SIM (scsi adapter) 139056234437SKenneth D. Merry# queue after a bus reset, and the number of milliseconds to 13913a937198SBrooks Davis# freeze the device queue after a bus device reset. This 13923a937198SBrooks Davis# can be changed at boot and runtime with the 13933a937198SBrooks Davis# kern.cam.scsi_delay tunable/sysctl. 1394700daf5eSJustin T. Gibbsoptions CAMDEBUG 1395f0f25b9cSAlexander Motinoptions CAM_DEBUG_COMPILE=-1 1396f0f25b9cSAlexander Motinoptions CAM_DEBUG_FLAGS=(CAM_DEBUG_INFO|CAM_DEBUG_PROBE|CAM_DEBUG_PERIPH) 13975895e3c8SPeter Wemmoptions CAM_DEBUG_BUS=-1 13985895e3c8SPeter Wemmoptions CAM_DEBUG_TARGET=-1 13995895e3c8SPeter Wemmoptions CAM_DEBUG_LUN=-1 1400f0f25b9cSAlexander Motinoptions CAM_DEBUG_DELAY=1 14015895e3c8SPeter Wemmoptions CAM_MAX_HIGHPOWER=4 1402700daf5eSJustin T. Gibbsoptions SCSI_NO_SENSE_STRINGS 1403700daf5eSJustin T. Gibbsoptions SCSI_NO_OP_STRINGS 140432672ba8SAndre Oppermannoptions SCSI_DELAY=5000 # Be pessimistic about Joe SCSI device 1405a25d93e5SBjoern A. Zeeboptions CAM_IOSCHED_DYNAMIC 1406a3851eecSAlan Somersoptions CAM_IO_STATS 1407d38677d2SWarner Loshoptions CAM_TEST_FAILURE 14081a7c583cSGarrett Wollman 1409700daf5eSJustin T. Gibbs# Options for the CAM CDROM driver: 1410700daf5eSJustin T. Gibbs# CHANGER_MIN_BUSY_SECONDS: Guaranteed minimum time quantum for a changer LUN 1411700daf5eSJustin T. Gibbs# CHANGER_MAX_BUSY_SECONDS: Maximum time quantum per changer LUN, only 1412700daf5eSJustin T. Gibbs# enforced if there is I/O waiting for another LUN 1413700daf5eSJustin T. Gibbs# The compiled in defaults for these variables are 2 and 10 seconds, 1414700daf5eSJustin T. Gibbs# respectively. 141593063432SJoerg Wunsch# 1416700daf5eSJustin T. Gibbs# These can also be changed on the fly with the following sysctl variables: 1417700daf5eSJustin T. Gibbs# kern.cam.cd.changer.min_busy_seconds 1418700daf5eSJustin T. Gibbs# kern.cam.cd.changer.max_busy_seconds 141993063432SJoerg Wunsch# 14205895e3c8SPeter Wemmoptions CHANGER_MIN_BUSY_SECONDS=2 14215895e3c8SPeter Wemmoptions CHANGER_MAX_BUSY_SECONDS=10 142293063432SJoerg Wunsch 14239dfb4471SKenneth D. Merry# Options for the CAM sequential access driver: 1424b29f9e40SMatt Jacob# SA_IO_TIMEOUT: Timeout for read/write/wfm operations, in minutes 14259dfb4471SKenneth D. Merry# SA_SPACE_TIMEOUT: Timeout for space operations, in minutes 14269dfb4471SKenneth D. Merry# SA_REWIND_TIMEOUT: Timeout for rewind operations, in minutes 14279dfb4471SKenneth D. Merry# SA_ERASE_TIMEOUT: Timeout for erase operations, in minutes 14289f050ed5SMatt Jacob# SA_1FM_AT_EOD: Default to model which only has a default one filemark at EOT. 142925388b6cSBruce Evansoptions SA_IO_TIMEOUT=4 143025388b6cSBruce Evansoptions SA_SPACE_TIMEOUT=60 143125388b6cSBruce Evansoptions SA_REWIND_TIMEOUT=(2*60) 143225388b6cSBruce Evansoptions SA_ERASE_TIMEOUT=(4*60) 14339f050ed5SMatt Jacoboptions SA_1FM_AT_EOD 14349dfb4471SKenneth D. Merry 14353ece1bd2SKenneth D. Merry# Optional timeout for the CAM processor target (pt) device 14363ece1bd2SKenneth D. Merry# This is specified in seconds. The default is 60 seconds. 143725388b6cSBruce Evansoptions SCSI_PT_DEFAULT_TIMEOUT=60 14383ece1bd2SKenneth D. Merry 14398904e70bSMatt Jacob# Optional enable of doing SES passthrough on other devices (e.g., disks) 14408904e70bSMatt Jacob# 14418904e70bSMatt Jacob# Normally disabled because a lot of newer SCSI disks report themselves 14428904e70bSMatt Jacob# as having SES capabilities, but this can then clot up attempts to build 14439c0ef6d5SOliver Fromme# a topology with the SES device that's on the box these drives are in.... 14448904e70bSMatt Jacoboptions SES_ENABLE_PASSTHROUGH 14458904e70bSMatt Jacob 14466a8d6623SGarrett Wollman 14476a8d6623SGarrett Wollman##################################################################### 14486a8d6623SGarrett Wollman# MISCELLANEOUS DEVICES AND OPTIONS 14496a8d6623SGarrett Wollman 1450bc093719SEd Schoutendevice pty #BSD-style compatibility pseudo ttys 14516d823e81SJulian Elischerdevice nmdm #back-to-back tty devices 1452f71c01ccSPeter Wemmdevice md #Memory/malloc disk 1453932ef5b5SEd Schoutendevice snp #Snoop device - to look at pty/vty/etc.. 1454efacde1bSBrooks Davisdevice ccd #Concatenated disk driver 14556aec1278SMax Laierdevice firmware #firmware(9) support 1456be174c7eSGreg Lehey 14576f2d8adbSBoris Popov# Kernel side iconv library 14586f2d8adbSBoris Popovoptions LIBICONV 14596f2d8adbSBoris Popov 146058067a99SPoul-Henning Kamp# Size of the kernel message buffer. Should be N * pagesize. 14615895e3c8SPeter Wemmoptions MSGBUF_SIZE=40960 146258067a99SPoul-Henning Kamp 14636a8d6623SGarrett Wollman 14646a8d6623SGarrett Wollman##################################################################### 1465e131ba36SJohn Baldwin# HARDWARE BUS CONFIGURATION 1466e131ba36SJohn Baldwin 1467e131ba36SJohn Baldwin# 1468e131ba36SJohn Baldwin# PCI bus & PCI options: 1469e131ba36SJohn Baldwin# 1470e131ba36SJohn Baldwindevice pci 147182cb5c3bSJohn Baldwinoptions PCI_HP # PCI-Express native HotPlug 1472c41df401SJohn Baldwinoptions PCI_IOV # PCI SR-IOV support 1473e131ba36SJohn Baldwin 1474e131ba36SJohn Baldwin 1475e131ba36SJohn Baldwin##################################################################### 1476d61e6649SAlexander Langer# HARDWARE DEVICE CONFIGURATION 1477d61e6649SAlexander Langer 1478d61e6649SAlexander Langer# For ISA the required hints are listed. 1479c0c70334SWarner Losh# PCI, CardBus, and SD/MMC are self identifying buses, so 14805bcb64f2SWarner Losh# no hints are needed. 1481d61e6649SAlexander Langer 1482d61e6649SAlexander Langer# 1483d61e6649SAlexander Langer# Mandatory devices: 1484d61e6649SAlexander Langer# 1485d61e6649SAlexander Langer 14866e818956SDavid E. O'Brien# These options are valid for other keyboard drivers as well. 14876e818956SDavid E. O'Brienoptions KBD_DISABLE_KEYMAP_LOAD # refuse to load a keymap 14886e818956SDavid E. O'Brienoptions KBD_INSTALL_CDEV # install a CDEV entry in /dev 14896e818956SDavid E. O'Brien 149046360281SEd Mastedevice kbdmux # keyboard multiplexer 149146360281SEd Masteoptions KBDMUX_DFLT_KEYMAP # specify the built-in keymap 149246360281SEd Mastemakeoptions KBDMUX_DFLT_KEYMAP=it.iso 149346360281SEd Maste 14947f5092f3SJohn Baldwinoptions FB_DEBUG # Frame buffer debugging 14957f5092f3SJohn Baldwin 149683409a55SEd Schouten# Enable experimental features of the syscons terminal emulator (teken). 1497e42fc368SEd Schoutenoptions TEKEN_CONS25 # cons25-style terminal emulation 149883409a55SEd Schoutenoptions TEKEN_UTF8 # UTF-8 output handling 149983409a55SEd Schouten 1500ccbb7b5eSEd Maste# The vt video console driver. 1501ccbb7b5eSEd Mastedevice vt 1502ccbb7b5eSEd Masteoptions VT_ALT_TO_ESC_HACK=1 # Prepend ESC sequence to ALT keys 1503ccbb7b5eSEd Masteoptions VT_MAXWINDOWS=16 # Number of virtual consoles 1504ccbb7b5eSEd Masteoptions VT_TWOBUTTON_MOUSE # Use right mouse button to paste 1505ccbb7b5eSEd Maste 1506e9ee2675SMark Johnston# The following options set the maximum framebuffer size. 1507e9ee2675SMark Johnstonoptions VT_FB_MAX_HEIGHT=480 1508e9ee2675SMark Johnstonoptions VT_FB_MAX_WIDTH=640 1509ccbb7b5eSEd Maste 1510ccbb7b5eSEd Maste# The following options will let you change the default vt terminal colors. 1511ccbb7b5eSEd Masteoptions TERMINAL_NORM_ATTR=(FG_GREEN|BG_BLACK) 1512ccbb7b5eSEd Masteoptions TERMINAL_KERN_ATTR=(FG_LIGHTRED|BG_BLACK) 1513ccbb7b5eSEd Maste 15141fe04850SBruce Evans# 1515d61e6649SAlexander Langer# Optional devices: 15166a8d6623SGarrett Wollman# 15176a8d6623SGarrett Wollman 15186a8d6623SGarrett Wollman# 1519d61e6649SAlexander Langer# SCSI host adapters: 15206a8d6623SGarrett Wollman# 1521d8c51c6fSLeandro Lupori# aacraid: Adaptec by PMC RAID controllers, Series 6/7/8 and upcoming 1522d8c51c6fSLeandro Lupori# families. Container interface, CAM required. 1523d61e6649SAlexander Langer# ahc: Adaptec 274x/284x/2910/293x/294x/394x/3950x/3960x/398X/4944/ 1524d61e6649SAlexander Langer# 19160x/29160x, aic7770/aic78xx 1525cdd49e97SJustin T. Gibbs# ahd: Adaptec 29320/39320 Controllers. 1526d61e6649SAlexander Langer# isp: Qlogic ISP 1020, 1040 and 1040B PCI SCSI host adapters, 1527d61e6649SAlexander Langer# ISP 1240 Dual Ultra SCSI, ISP 1080 and 1280 (Dual) Ultra2, 1528d61e6649SAlexander Langer# ISP 12160 Ultra3 SCSI, 1529e8a0f829SMatt Jacob# Qlogic ISP 2100 and ISP 2200 1Gb Fibre Channel host adapters. 1530e8a0f829SMatt Jacob# Qlogic ISP 2300 and ISP 2312 2Gb Fibre Channel host adapters. 1531af606348SMatt Jacob# Qlogic ISP 2322 and ISP 6322 2Gb Fibre Channel host adapters. 1532ac918c84SMatt Jacob# ispfw: Firmware module for Qlogic host adapters 1533f7ab0158SWarner Losh# mpr: LSI-Logic MPT/Fusion Gen 3 1534f7ab0158SWarner Losh# mps: LSI-Logic MPT/Fusion Gen 2 153564fa5108SMatt Jacob# mpt: LSI-Logic MPT/Fusion 53c1020 or 53c1030 Ultra4 153664fa5108SMatt Jacob# or FC9x9 Fibre Channel host adapters. 1537fb91fd69SGerard Roudier# sym: Symbios/Logic 53C8XX family of PCI-SCSI I/O processors: 1538fb91fd69SGerard Roudier# 53C810, 53C810A, 53C815, 53C825, 53C825A, 53C860, 53C875, 1539fb91fd69SGerard Roudier# 53C876, 53C885, 53C895, 53C895A, 53C896, 53C897, 53C1510D, 1540fb91fd69SGerard Roudier# 53C1010-33, 53C1010-66. 1541d61e6649SAlexander Langer 1542d8c51c6fSLeandro Luporidevice aacraid 1543d61e6649SAlexander Langerdevice ahc 1544cdd49e97SJustin T. Gibbsdevice ahd 1545d61e6649SAlexander Langerdevice isp 1546f9ba2bbeSWarner Loshenvvar hint.isp.0.disable="1" 1547f9ba2bbeSWarner Loshenvvar hint.isp.0.role="3" 1548f9ba2bbeSWarner Loshenvvar hint.isp.0.prefer_iomap="1" 1549f9ba2bbeSWarner Loshenvvar hint.isp.0.prefer_memmap="1" 1550f9ba2bbeSWarner Loshenvvar hint.isp.0.fwload_disable="1" 1551f9ba2bbeSWarner Loshenvvar hint.isp.0.ignore_nvram="1" 1552f9ba2bbeSWarner Loshenvvar hint.isp.0.fullduplex="1" 1553f9ba2bbeSWarner Loshenvvar hint.isp.0.topology="lport" 1554f9ba2bbeSWarner Loshenvvar hint.isp.0.topology="nport" 1555f9ba2bbeSWarner Loshenvvar hint.isp.0.topology="lport-only" 1556f9ba2bbeSWarner Loshenvvar hint.isp.0.topology="nport-only" 15570787f2b8SMatt Jacob# we can't get u_int64_t types, nor can we get strings if it's got 15580787f2b8SMatt Jacob# a leading 0x, hence this silly dodge. 1559f9ba2bbeSWarner Loshenvvar hint.isp.0.portwnn="w50000000aaaa0000" 1560f9ba2bbeSWarner Loshenvvar hint.isp.0.nodewnn="w50000000aaaa0001" 1561d61e6649SAlexander Langerdevice ispfw 1562f7ab0158SWarner Loshdevice mpr # LSI-Logic MPT-Fusion 3 1563f7ab0158SWarner Loshdevice mps # LSI-Logic MPT-Fusion 2 1564f7ab0158SWarner Loshdevice mpt # LSI-Logic MPT-Fusion 1565d61e6649SAlexander Langerdevice sym 1566d61e6649SAlexander Langer 1567d61e6649SAlexander Langer# The aic7xxx driver will attempt to use memory mapped I/O for all PCI 1568d61e6649SAlexander Langer# controllers that have it configured only if this option is set. Unfortunately, 1569d61e6649SAlexander Langer# this doesn't work on some motherboards, which prevents it from being the 1570d61e6649SAlexander Langer# default. 1571d61e6649SAlexander Langeroptions AHC_ALLOW_MEMIO 1572d61e6649SAlexander Langer 1573fac70739SJeroen Ruigrok van der Werven# Dump the contents of the ahc controller configuration PROM. 1574fac70739SJeroen Ruigrok van der Wervenoptions AHC_DUMP_EEPROM 1575fac70739SJeroen Ruigrok van der Werven 1576fac70739SJeroen Ruigrok van der Werven# Bitmap of units to enable targetmode operations. 1577fac70739SJeroen Ruigrok van der Wervenoptions AHC_TMODE_ENABLE 1578fac70739SJeroen Ruigrok van der Werven 1579662d3818SScott Long# Compile in Aic7xxx Debugging code. 1580662d3818SScott Longoptions AHC_DEBUG 1581662d3818SScott Long 1582662d3818SScott Long# Aic7xxx driver debugging options. See sys/dev/aic7xxx/aic7xxx.h 1583662d3818SScott Longoptions AHC_DEBUG_OPTS 1584662d3818SScott Long 1585f8f8803bSBruce Evans# Print register bitfields in debug output. Adds ~128k to driver 1586f8f8803bSBruce Evans# See ahc(4). 1587662d3818SScott Longoptions AHC_REG_PRETTY_PRINT 1588662d3818SScott Long 1589cdd49e97SJustin T. Gibbs# Compile in aic79xx debugging code. 1590cdd49e97SJustin T. Gibbsoptions AHD_DEBUG 1591cdd49e97SJustin T. Gibbs 1592f8f8803bSBruce Evans# Aic79xx driver debugging options. Adds ~215k to driver. See ahd(4). 1593cdd49e97SJustin T. Gibbsoptions AHD_DEBUG_OPTS=0xFFFFFFFF 1594cdd49e97SJustin T. Gibbs 159543e9d8a3SScott Long# Print human-readable register definitions when debugging 159643e9d8a3SScott Longoptions AHD_REG_PRETTY_PRINT 159743e9d8a3SScott Long 1598662d3818SScott Long# Bitmap of units to enable targetmode operations. 1599662d3818SScott Longoptions AHD_TMODE_ENABLE 1600662d3818SScott Long 1601c5933b20SScott Long# Options used in dev/iscsi (Software iSCSI stack) 1602c5933b20SScott Long# 1603c5933b20SScott Longoptions ISCSI_INITIATOR_DEBUG=9 1604c5933b20SScott Long 1605d61e6649SAlexander Langer# Options used in dev/isp/ (Qlogic SCSI/FC driver). 1606d61e6649SAlexander Langer# 1607d61e6649SAlexander Langer# ISP_TARGET_MODE - enable target mode operation 1608d61e6649SAlexander Langer# 160964fa5108SMatt Jacoboptions ISP_TARGET_MODE=1 1610af606348SMatt Jacob# 16119a1b0d43SMatt Jacob# ISP_DEFAULT_ROLES - default role 16129a1b0d43SMatt Jacob# none=0 16139a1b0d43SMatt Jacob# target=1 16149a1b0d43SMatt Jacob# initiator=2 16159a1b0d43SMatt Jacob# both=3 (not supported currently) 1616af606348SMatt Jacob# 161715f0f952SMatt Jacob# ISP_INTERNAL_TARGET (trivial internal disk target, for testing) 161815f0f952SMatt Jacob# 1619e2873b76SMatt Jacoboptions ISP_DEFAULT_ROLES=0 1620d61e6649SAlexander Langer 1621d61e6649SAlexander Langer#options SYM_SETUP_SCSI_DIFF #-HVD support for 825a, 875, 885 1622d61e6649SAlexander Langer # disabled:0 (default), enabled:1 1623d61e6649SAlexander Langer#options SYM_SETUP_PCI_PARITY #-PCI parity checking 1624d61e6649SAlexander Langer # disabled:0, enabled:1 (default) 1625d61e6649SAlexander Langer#options SYM_SETUP_MAX_LUN #-Number of LUNs supported 1626d61e6649SAlexander Langer # default:8, range:[1..64] 16276a8d6623SGarrett Wollman 16286e818956SDavid E. O'Brien# 16296e818956SDavid E. O'Brien# Compaq "CISS" RAID controllers (SmartRAID 5* series) 16306e818956SDavid E. O'Brien# These controllers have a SCSI-like interface, and require the 16316e818956SDavid E. O'Brien# CAM infrastructure. 16326e818956SDavid E. O'Brien# 16336e818956SDavid E. O'Briendevice ciss 16346e818956SDavid E. O'Brien 16356e818956SDavid E. O'Brien# 16366e818956SDavid E. O'Brien# Compaq Smart RAID, Mylex DAC960 and AMI MegaRAID controllers. Only 16376e818956SDavid E. O'Brien# one entry is needed; the code will find and configure all supported 16386e818956SDavid E. O'Brien# controllers. 16396e818956SDavid E. O'Brien# 16406e818956SDavid E. O'Briendevice ida # Compaq Smart RAID 16416e818956SDavid E. O'Briendevice mlx # Mylex DAC960 16427f631a41SScott Longdevice mfi # LSI MegaRAID SAS 1643f366931cSScott Longdevice mfip # LSI MegaRAID SAS passthrough, requires CAM 16446b31d3f7SScott Longoptions MFI_DEBUG 1645a58b4afaSMark Johnstondevice mrsas # LSI/Avago MegaRAID SAS/SATA, 6Gb/s and 12Gb/s 16466e818956SDavid E. O'Brien 16476e818956SDavid E. O'Brien# 16486e818956SDavid E. O'Brien# 3ware ATA RAID 16496e818956SDavid E. O'Brien# 16506e818956SDavid E. O'Briendevice twe # 3ware ATA RAID 16516e818956SDavid E. O'Brien 165290d3341eSPeter Wemm# 1653e19ef875SAlexander Motin# Serial ATA host controllers: 1654e19ef875SAlexander Motin# 1655e19ef875SAlexander Motin# ahci: Advanced Host Controller Interface (AHCI) compatible 1656dd48af36SAlexander Motin# mvs: Marvell 88SX50XX/88SX60XX/88SX70XX/SoC controllers 1657e19ef875SAlexander Motin# siis: SiliconImage SiI3124/SiI3132/SiI3531 controllers 16581a00526bSAlexander Motin# 16591a00526bSAlexander Motin# These drivers are part of cam(4) subsystem. They supersede less featured 16601a00526bSAlexander Motin# ata(4) subsystem drivers, supporting same hardware. 1661e19ef875SAlexander Motin 1662e19ef875SAlexander Motindevice ahci 1663dd48af36SAlexander Motindevice mvs 1664e19ef875SAlexander Motindevice siis 1665e19ef875SAlexander Motin 1666e19ef875SAlexander Motin# 166745f6d665SAlexander Motin# The 'ATA' driver supports all legacy ATA/ATAPI controllers, including 166845f6d665SAlexander Motin# PC Card devices. You only need one "device ata" for it to find all 16696d04301dSAlexander Langer# PCI and PC Card ATA/ATAPI devices on modern machines. 1670c4bda3c6SAlexander Motin# Alternatively, individual bus and chipset drivers may be chosen by using 1671c4bda3c6SAlexander Motin# the 'atacore' driver then selecting the drivers on a per vendor basis. 1672c4bda3c6SAlexander Motin# For example to build a system which only supports a VIA chipset, 1673c4bda3c6SAlexander Motin# omit 'ata' and include the 'atacore', 'atapci' and 'atavia' drivers. 1674c9953c3bSPeter Wemmdevice ata 1675c4bda3c6SAlexander Motin 1676c4bda3c6SAlexander Motin# Modular ATA 1677c4bda3c6SAlexander Motin#device atacore # Core ATA functionality 1678c4bda3c6SAlexander Motin#device ataisa # ISA bus support 1679c4bda3c6SAlexander Motin#device atapci # PCI bus support; only generic chipset support 1680c4bda3c6SAlexander Motin 1681c4bda3c6SAlexander Motin# PCI ATA chipsets 1682c4bda3c6SAlexander Motin#device ataacard # ACARD 1683c4bda3c6SAlexander Motin#device ataacerlabs # Acer Labs Inc. (ALI) 1684c4bda3c6SAlexander Motin#device ataamd # American Micro Devices (AMD) 1685c4bda3c6SAlexander Motin#device ataati # ATI 1686c4bda3c6SAlexander Motin#device atacenatek # Cenatek 1687c4bda3c6SAlexander Motin#device atacypress # Cypress 1688c4bda3c6SAlexander Motin#device atacyrix # Cyrix 1689c4bda3c6SAlexander Motin#device atahighpoint # HighPoint 1690c4bda3c6SAlexander Motin#device ataintel # Intel 1691c4bda3c6SAlexander Motin#device ataite # Integrated Technology Inc. (ITE) 1692c4bda3c6SAlexander Motin#device atajmicron # JMicron 1693c4bda3c6SAlexander Motin#device atamarvell # Marvell 1694c4bda3c6SAlexander Motin#device atamicron # Micron 1695c4bda3c6SAlexander Motin#device atanational # National 1696c4bda3c6SAlexander Motin#device atanetcell # NetCell 1697c4bda3c6SAlexander Motin#device atanvidia # nVidia 1698c4bda3c6SAlexander Motin#device atapromise # Promise 1699c4bda3c6SAlexander Motin#device ataserverworks # ServerWorks 1700c4bda3c6SAlexander Motin#device atasiliconimage # Silicon Image Inc. (SiI) (formerly CMD) 1701c4bda3c6SAlexander Motin#device atasis # Silicon Integrated Systems Corp.(SiS) 1702c4bda3c6SAlexander Motin#device atavia # VIA Technologies Inc. 1703c4bda3c6SAlexander Motin 17048b89ef0aSSøren Schmidt# 17056d04301dSAlexander Langer# For older non-PCI, non-PnPBIOS systems, these are the hints lines to add: 1706f9ba2bbeSWarner Loshenvvar hint.ata.0.at="isa" 1707f9ba2bbeSWarner Loshenvvar hint.ata.0.port="0x1f0" 1708f9ba2bbeSWarner Loshenvvar hint.ata.0.irq="14" 1709f9ba2bbeSWarner Loshenvvar hint.ata.1.at="isa" 1710f9ba2bbeSWarner Loshenvvar hint.ata.1.port="0x170" 1711f9ba2bbeSWarner Loshenvvar hint.ata.1.irq="15" 17126d04301dSAlexander Langer 17136d04301dSAlexander Langer# 1714*339ef827SMitchell Horne# uart: generic driver for serial interfaces. 1715c8956b36SMarcel Moolenaar# 1716501ef98fSMarcel Moolenaardevice uart 1717501ef98fSMarcel Moolenaar 17188194412bSMarcel Moolenaar# Options for uart(4) 17198194412bSMarcel Moolenaaroptions UART_PPS_ON_CTS # Do time pulse capturing using CTS 17208194412bSMarcel Moolenaar # instead of DCD. 17211662b008SIan Leporeoptions UART_POLL_FREQ # Set polling rate, used when hw has 17221662b008SIan Lepore # no interrupt support (50 Hz default). 17238194412bSMarcel Moolenaar 1724501ef98fSMarcel Moolenaar# The following hint should only be used for pure ISA devices. It is not 1725501ef98fSMarcel Moolenaar# needed otherwise. Use of hints is strongly discouraged. 1726f9ba2bbeSWarner Loshenvvar hint.uart.0.at="isa" 1727501ef98fSMarcel Moolenaar 1728c8956b36SMarcel Moolenaar# The following 3 hints are used when the UART is a system device (i.e., a 1729c8956b36SMarcel Moolenaar# console or debug port), but only on platforms that don't have any other 1730c8956b36SMarcel Moolenaar# means to pass the information to the kernel. The unit number of the hint 1731c8956b36SMarcel Moolenaar# is only used to bundle the hints together. There is no relation to the 1732c8956b36SMarcel Moolenaar# unit number of the probed UART. 1733f9ba2bbeSWarner Loshenvvar hint.uart.0.port="0x3f8" 1734f9ba2bbeSWarner Loshenvvar hint.uart.0.flags="0x10" 1735f9ba2bbeSWarner Loshenvvar hint.uart.0.baud="115200" 1736501ef98fSMarcel Moolenaar 1737*339ef827SMitchell Horne# `flags' for serial drivers that support consoles, like uart(4): 1738c8956b36SMarcel Moolenaar# 0x10 enable console support for this unit. Other console flags 1739c8956b36SMarcel Moolenaar# (if applicable) are ignored unless this is set. Enabling 1740c8956b36SMarcel Moolenaar# console support does not make the unit the preferred console. 1741*339ef827SMitchell Horne# Boot with -h or set boot_serial=YES in the loader. 1742c8956b36SMarcel Moolenaar# Currently, at most one unit can have console support; the 1743c8956b36SMarcel Moolenaar# first one (in config file order) with this flag set is 1744*339ef827SMitchell Horne# preferred. 1745c8956b36SMarcel Moolenaar# 0x80 use this port for serial line gdb support in ddb. Also known 1746c8956b36SMarcel Moolenaar# as debug port. 17479546766aSBruce Evans# 17489546766aSBruce Evans 1749501ef98fSMarcel Moolenaar# Options for serial drivers that support consoles: 175091ed2fecSJohn-Mark Gurneyoptions BREAK_TO_DEBUGGER # A BREAK/DBG on the console goes to 1751c8956b36SMarcel Moolenaar # ddb, if available. 17526a8d6623SGarrett Wollman 175326b6ea69SPaul Saab# Solaris implements a new BREAK which is initiated by a character 175426b6ea69SPaul Saab# sequence CR ~ ^b which is similar to a familiar pattern used on 17559c0ef6d5SOliver Fromme# Sun servers by the Remote Console. There are FreeBSD extensions: 1756c7b3d8e2SMaxim Konovalov# CR ~ ^p requests force panic and CR ~ ^r requests a clean reboot. 175726b6ea69SPaul Saaboptions ALT_BREAK_TO_DEBUGGER 175826b6ea69SPaul Saab 1759af2e25a6SMarcel Moolenaar# Serial Communications Controller 1760b63eeef4SMarius Strobl# Supports the Freescale/NXP QUad Integrated and Zilog Z8530 multi-channel 1761b63eeef4SMarius Strobl# communications controllers. 1762af2e25a6SMarcel Moolenaardevice scc 1763af2e25a6SMarcel Moolenaar 17649c564b6cSJohn Hay# PCI Universal Communications driver 176564220a7eSMarcel Moolenaar# Supports various multi port PCI I/O cards. 17669c564b6cSJohn Haydevice puc 17679c564b6cSJohn Hay 17686a8d6623SGarrett Wollman# 1769d61e6649SAlexander Langer# Network interfaces: 17706a8d6623SGarrett Wollman# 1771dfd77572SJohn Baldwin# MII bus support is required for many PCI Ethernet NICs, 1772d61e6649SAlexander Langer# namely those which use MII-compliant transceivers or implement 17733c7c6c12SMike Pritchard# transceiver control interfaces that operate like an MII. Adding 17748c1093fcSMarius Strobl# "device miibus" to the kernel config pulls in support for the generic 17758c1093fcSMarius Strobl# miibus API, the common support for for bit-bang'ing the MII and all 17768c1093fcSMarius Strobl# of the PHY drivers, including a generic one for PHYs that aren't 17778c1093fcSMarius Strobl# specifically handled by an individual driver. Support for specific 17788c1093fcSMarius Strobl# PHYs may be built by adding "device mii", "device mii_bitbang" if 17798c1093fcSMarius Strobl# needed by the NIC driver and then adding the appropriate PHY driver. 1780dfd77572SJohn Baldwindevice mii # Minimal MII support 17818c1093fcSMarius Strobldevice mii_bitbang # Common module for bit-bang'ing the MII 17828c1093fcSMarius Strobldevice miibus # MII support w/ bit-bang'ing and all PHYs 1783dfd77572SJohn Baldwin 1784dfd77572SJohn Baldwindevice acphy # Altima Communications AC101 1785dfd77572SJohn Baldwindevice amphy # AMD AM79c873 / Davicom DM910{1,2} 1786dfd77572SJohn Baldwindevice atphy # Attansic/Atheros F1 1787dfd77572SJohn Baldwindevice axphy # Asix Semiconductor AX88x9x 1788dfd77572SJohn Baldwindevice bmtphy # Broadcom BCM5201/BCM5202 and 3Com 3c905C 1789d933e97fSStephen Hurddevice bnxt # Broadcom NetXtreme-C/NetXtreme-E 1790dfd77572SJohn Baldwindevice brgphy # Broadcom BCM54xx/57xx 1000baseTX 179178c1387fSIan Leporedevice cgem # Cadence GEM Gigabit Ethernet 1792dfd77572SJohn Baldwindevice ciphy # Cicada/Vitesse CS/VSC8xxx 1793dfd77572SJohn Baldwindevice e1000phy # Marvell 88E1000 1000/100/10-BT 1794dfd77572SJohn Baldwindevice gentbi # Generic 10-bit 1000BASE-{LX,SX} fiber ifaces 1795dfd77572SJohn Baldwindevice icsphy # ICS ICS1889-1893 1796dfd77572SJohn Baldwindevice ip1000phy # IC Plus IP1000A/IP1001 1797dfd77572SJohn Baldwindevice jmphy # JMicron JMP211/JMP202 1798dfd77572SJohn Baldwindevice lxtphy # Level One LXT-970 1799dfd77572SJohn Baldwindevice nsgphy # NatSemi DP8361/DP83865/DP83891 1800dfd77572SJohn Baldwindevice nsphy # NatSemi DP83840A 1801dfd77572SJohn Baldwindevice nsphyter # NatSemi DP83843/DP83815 1802dfd77572SJohn Baldwindevice pnaphy # HomePNA 1803dfd77572SJohn Baldwindevice qsphy # Quality Semiconductor QS6612 1804e6713fe5SPyun YongHyeondevice rdcphy # RDC Semiconductor R6040 1805dfd77572SJohn Baldwindevice rgephy # RealTek 8169S/8110S/8211B/8211C 1806dfd77572SJohn Baldwindevice rlphy # RealTek 8139 1807dfd77572SJohn Baldwindevice rlswitch # RealTek 8305 1808dfd77572SJohn Baldwindevice smcphy # SMSC LAN91C111 1809dfd77572SJohn Baldwindevice tdkphy # TDK 89Q2120 1810dfd77572SJohn Baldwindevice truephy # LSI TruePHY 1811dfd77572SJohn Baldwindevice xmphy # XaQti XMAC II 1812d61e6649SAlexander Langer 1813ba26d470SStanislav Sedov# ae: Support for gigabit ethernet adapters based on the Attansic/Atheros 1814ba26d470SStanislav Sedov# L2 PCI-Express FastEthernet controllers. 1815cfef026aSPyun YongHyeon# age: Support for gigabit ethernet adapters based on the Attansic/Atheros 1816cfef026aSPyun YongHyeon# L1 PCI express gigabit ethernet controllers. 1817d68875ebSPyun YongHyeon# alc: Support for Atheros AR8131/AR8132 PCIe ethernet controllers. 18183c6e15bcSPyun YongHyeon# ale: Support for Atheros AR8121/AR8113/AR8114 PCIe ethernet controllers. 1819390cee87SJohn Baldwin# ath: Atheros a/b/g WiFi adapters (requires ath_hal and wlan) 1820343ed0a8SJohn Baldwin# bce: Broadcom NetXtreme II (BCM5706/BCM5708) PCI/PCIe Gigabit Ethernet 1821343ed0a8SJohn Baldwin# adapters. 1822343ed0a8SJohn Baldwin# bfe: Broadcom BCM4401 Ethernet adapter. 182395d67482SBill Paul# bge: Support for gigabit ethernet adapters based on the Broadcom 1824586d7c2eSJohn Polstra# BCM570x family of controllers, including the 3Com 3c996-T, 1825586d7c2eSJohn Polstra# the Netgear GA302T, the SysKonnect SK-9D21 and SK-9D41, and 1826586d7c2eSJohn Polstra# the embedded gigE NICs on Dell PowerEdge 2550 servers. 1827d933e97fSStephen Hurd# bnxt: Broadcom NetXtreme-C and NetXtreme-E PCIe 10/25/50G Ethernet adapters. 18284e400768SDavid Christensen# bxe: Broadcom NetXtreme II (BCM5771X/BCM578XX) PCIe 10Gb Ethernet 1829dd46ab31SDavid Christensen# adapters. 18303132ad0dSWarner Losh# bwi: Broadcom BCM430* and BCM431* family of wireless adapters. 1831eb5ef23cSWeongyo Jeong# bwn: Broadcom BCM43xx family of wireless adapters. 1832119051cbSMarius Strobl# cas: Sun Cassini/Cassini+ and National Semiconductor DP83065 Saturn 1833ca7fe84aSNavdeep Parhar# cxgb: Chelsio T3 based 1GbE/10GbE PCIe Ethernet adapters. 1834a74031a5SJohn Baldwin# cxgbe:Chelsio T4, T5, and T6-based 1/10/25/40/100GbE PCIe Ethernet 183524957938SJohn Baldwin# adapters. 183624957938SJohn Baldwin# cxgbev: Chelsio T4, T5, and T6-based PCIe Virtual Functions. 1837d61e6649SAlexander Langer# dc: Support for PCI fast ethernet adapters based on the DEC/Intel 21143 1838d61e6649SAlexander Langer# and various workalikes including: 1839d61e6649SAlexander Langer# the ADMtek AL981 Comet and AN985 Centaur, the ASIX Electronics 1840d61e6649SAlexander Langer# AX88140A and AX88141, the Davicom DM9100 and DM9102, the Lite-On 1841d61e6649SAlexander Langer# 82c168 and 82c169 PNIC, the Lite-On/Macronix LC82C115 PNIC II 1842d61e6649SAlexander Langer# and the Macronix 98713/98713A/98715/98715A/98725 PMAC. This driver 1843d61e6649SAlexander Langer# replaces the old al, ax, dm, pn and mx drivers. List of brands: 1844d61e6649SAlexander Langer# Digital DE500-BA, Kingston KNE100TX, D-Link DFE-570TX, SOHOware SFA110, 1845d61e6649SAlexander Langer# SVEC PN102-TX, CNet Pro110B, 120A, and 120B, Compex RL100-TX, 1846d61e6649SAlexander Langer# LinkSys LNE100TX, LNE100TX V2.0, Jaton XpressNet, Alfa Inc GFC2204, 1847d61e6649SAlexander Langer# KNE110TX. 1848a59716d2SPrafulla Deuskar# em: Intel Pro/1000 Gigabit Ethernet 82542, 82543, 82544 based adapters. 1849d61e6649SAlexander Langer# fxp: Intel EtherExpress Pro/100B 1850cf87044eSMatt Jacob# (hint of prefer_iomap can be done to prefer I/O instead of Mem mapping) 18511ed3fed7SMarius Strobl# gem: Apple GMAC/Sun ERI/Sun GEM 185275a1bf5fSPyun YongHyeon# jme: JMicron JMC260 Fast Ethernet/JMC250 Gigabit Ethernet based adapters. 185344ac0964SMarius Strobl# le: AMD Am7900 LANCE and Am79C9xx PCnet 1854c678bc4fSBill Paul# lge: Support for PCI gigabit ethernet adapters based on the Level 1 1855c678bc4fSBill Paul# LXT1001 NetCellerator chipset. This includes the D-Link DGE-500SX, 1856c678bc4fSBill Paul# SMC TigerCard 1000 (SMC9462SX), and some Addtron cards. 1857f173c2b7SSean Bruno# lio: Support for Cavium 23XX Ethernet adapters 1858d1f25d5dSBernhard Schmidt# malo: Marvell Libertas wireless NICs. 1859d1f25d5dSBernhard Schmidt# mwl: Marvell 88W8363 802.11n wireless NICs. 1860778eefa4SJohn Baldwin# Requires the mwl firmware module 1861778eefa4SJohn Baldwin# mwlfw: Marvell 88W8363 firmware 1862c9d21ce9SPyun YongHyeon# msk: Support for gigabit ethernet adapters based on the Marvell/SysKonnect 1863c9d21ce9SPyun YongHyeon# Yukon II Gigabit controllers, including 88E8021, 88E8022, 88E8061, 1864c9d21ce9SPyun YongHyeon# 88E8062, 88E8035, 88E8036, 88E8038, 88E8050, 88E8052, 88E8053, 1865c9d21ce9SPyun YongHyeon# 88E8055, 88E8056 and D-Link 560T/550SX. 1866c9c8bf05SHans Petter Selasky# mlxfw: Mellanox firmware update module. 186722f2c49aSHans Petter Selasky# mlx5: Mellanox ConnectX-4 and ConnectX-4 LX IB and Eth shared code module. 186822f2c49aSHans Petter Selasky# mlx5en:Mellanox ConnectX-4 and ConnectX-4 LX PCIe Ethernet adapters. 1869d3d67116SMaxim Sobolev# my: Myson Fast Ethernet (MTD80X, MTD89X) 1870ce4946daSBill Paul# nge: Support for PCI gigabit ethernet adapters based on the National 1871ce4946daSBill Paul# Semiconductor DP83820 and DP83821 chipset. This includes the 1872ce4946daSBill Paul# SMC EZ Card 1000 (SMC9462TX), D-Link DGE-500T, Asante FriendlyNet 1873cc2824b8SBjoern A. Zeeb# GigaNIX 1000TA and 1000TPC, the Addtron AEG320T, the Surecom 1874cc2824b8SBjoern A. Zeeb# EP-320G-TX and the Netgear GA622T. 18752f345d8eSLuigi Rizzo# oce: Emulex 10 Gbit adapters (OneConnect Ethernet) 1876390cee87SJohn Baldwin# ral: Ralink Technology IEEE 802.11 wireless adapter 18770587cad8SPyun YongHyeon# re: RealTek 8139C+/8169/816xS/811xS/8101E PCI/PCIe Ethernet adapter 1878d61e6649SAlexander Langer# rl: Support for PCI fast ethernet adapters based on the RealTek 8129/8139 1879d61e6649SAlexander Langer# chipset. Note that the RealTek driver defaults to using programmed 1880d61e6649SAlexander Langer# I/O to do register accesses because memory mapped mode seems to cause 1881d61e6649SAlexander Langer# severe lockups on SMP hardware. This driver also supports the 1882d61e6649SAlexander Langer# Accton EN1207D `Cheetah' adapter, which uses a chip called 1883d61e6649SAlexander Langer# the MPX 5030/5038, which is either a RealTek in disguise or a 1884d61e6649SAlexander Langer# RealTek workalike. Note that the D-Link DFE-530TX+ uses the RealTek 1885d61e6649SAlexander Langer# chipset and is supported by this driver, not the 'vr' driver. 1886b38b13d8SKevin Lo# rtwn: RealTek wireless adapters. 1887b38b13d8SKevin Lo# rtwnfw: RealTek wireless firmware. 1888d193ed0bSPyun YongHyeon# sge: Silicon Integrated Systems SiS190/191 Fast/Gigabit Ethernet adapter 1889b2ca5572SAlexander Langer# sis: Support for NICs based on the Silicon Integrated Systems SiS 900, 1890b2ca5572SAlexander Langer# SiS 7016 and NS DP83815 PCI fast ethernet controller chips. 1891d61e6649SAlexander Langer# sk: Support for the SysKonnect SK-984x series PCI gigabit ethernet NICs. 1892d61e6649SAlexander Langer# This includes the SK-9841 and SK-9842 single port cards (single mode 1893d61e6649SAlexander Langer# and multimode fiber) and the SK-9843 and SK-9844 dual port cards 1894d61e6649SAlexander Langer# (also single mode and multimode). 1895d61e6649SAlexander Langer# The driver will autodetect the number of ports on the card and 1896d61e6649SAlexander Langer# attach each one as a separate network interface. 1897d61e6649SAlexander Langer# ste: Sundance Technologies ST201 PCI fast ethernet controller, includes 1898d61e6649SAlexander Langer# the D-Link DFE-550TX. 1899d497bdf1SPyun YongHyeon# stge: Support for gigabit ethernet adapters based on the Sundance/Tamarack 1900d497bdf1SPyun YongHyeon# TC9021 family of controllers, including the Sundance ST2021/ST2023, 1901d497bdf1SPyun YongHyeon# the Sundance/Tamarack TC9021, the D-Link DL-4000 and ASUS NX1101. 1902d61e6649SAlexander Langer# ti: Support for PCI gigabit ethernet NICs based on the Alteon Networks 1903d61e6649SAlexander Langer# Tigon 1 and Tigon 2 chipsets. This includes the Alteon AceNIC, the 1904c86eb67fSDmitry Morozovsky# 3Com 3c985, the Netgear GA620 and various others. Note that you will 1905c86eb67fSDmitry Morozovsky# probably want to bump up kern.ipc.nmbclusters a lot to use this driver. 1906d61e6649SAlexander Langer# vr: Support for various fast ethernet adapters based on the VIA 1907d61e6649SAlexander Langer# Technologies VT3043 `Rhine I' and VT86C100A `Rhine II' chips, 1908e83bcc01SGavin Atkinson# including the D-Link DFE520TX and D-Link DFE530TX (see 'rl' for 1909e83bcc01SGavin Atkinson# DFE530TX+), the Hawking Technologies PN102TX, and the AOpen/Acer ALN-320. 19102608aefcSPyun YongHyeon# vte: DM&P Vortex86 RDC R6040 Fast Ethernet 1911d61e6649SAlexander Langer# xl: Support for the 3Com 3c900, 3c905, 3c905B and 3c905C (Fast) 1912d61e6649SAlexander Langer# Etherlink XL cards and integrated controllers. This includes the 1913d61e6649SAlexander Langer# integrated 3c905B-TX chips in certain Dell Optiplex and Dell 1914d61e6649SAlexander Langer# Precision desktop machines and the integrated 3c905-TX chips 1915d61e6649SAlexander Langer# in Dell Latitude laptop docking stations. 1916d61e6649SAlexander Langer# Also supported: 3Com 3c980(C)-TX, 3Com 3cSOHO100-TX, 3Com 3c450-TX 1917d61e6649SAlexander Langer 1918d61e6649SAlexander Langer# PCI Ethernet NICs that use the common MII bus controller code. 1919ba26d470SStanislav Sedovdevice ae # Attansic/Atheros L2 FastEthernet 1920cfef026aSPyun YongHyeondevice age # Attansic/Atheros L1 Gigabit Ethernet 1921d68875ebSPyun YongHyeondevice alc # Atheros AR8131/AR8132 Ethernet 19223c6e15bcSPyun YongHyeondevice ale # Atheros AR8121/AR8113/AR8114 Ethernet 1923343ed0a8SJohn Baldwindevice bce # Broadcom BCM5706/BCM5708 Gigabit Ethernet 1924343ed0a8SJohn Baldwindevice bfe # Broadcom BCM440x 10/100 Ethernet 1925343ed0a8SJohn Baldwindevice bge # Broadcom BCM570xx Gigabit Ethernet 1926119051cbSMarius Strobldevice cas # Sun Cassini/Cassini+ and NS DP83065 Saturn 1927d61e6649SAlexander Langerdevice dc # DEC/Intel 21143 and various workalikes 19284d52a575SXin LIdevice et # Agere ET1310 10/100/Gigabit Ethernet 19294664a8d5SJonathan Lemondevice fxp # Intel EtherExpress PRO/100B (82557, 82558) 1930f9ba2bbeSWarner Loshenvvar hint.fxp.0.prefer_iomap="0" 19311ed3fed7SMarius Strobldevice gem # Apple GMAC/Sun ERI/Sun GEM 19320587cad8SPyun YongHyeondevice jme # JMicron JMC250 Gigabit/JMC260 Fast Ethernet 1933343ed0a8SJohn Baldwindevice lge # Level 1 LXT1001 gigabit Ethernet 1934c9c8bf05SHans Petter Selaskydevice mlxfw # Mellanox firmware update module 193522f2c49aSHans Petter Selaskydevice mlx5 # Shared code module between IB and Ethernet 193622f2c49aSHans Petter Selaskydevice mlx5en # Mellanox ConnectX-4 and ConnectX-4 LX 19370587cad8SPyun YongHyeondevice msk # Marvell/SysKonnect Yukon II Gigabit Ethernet 1938d3d67116SMaxim Sobolevdevice my # Myson Fast Ethernet (MTD80X, MTD89X) 1939343ed0a8SJohn Baldwindevice nge # NatSemi DP83820 gigabit Ethernet 19400587cad8SPyun YongHyeondevice re # RealTek 8139C+/8169/8169S/8110S 1941d61e6649SAlexander Langerdevice rl # RealTek 8129/8139 1942d193ed0bSPyun YongHyeondevice sge # Silicon Integrated Systems SiS190/191 1943d61e6649SAlexander Langerdevice sis # Silicon Integrated Systems SiS 900/SiS 7016 1944343ed0a8SJohn Baldwindevice sk # SysKonnect SK-984x & SK-982x gigabit Ethernet 1945d61e6649SAlexander Langerdevice ste # Sundance ST201 (D-Link DFE-550TX) 19460587cad8SPyun YongHyeondevice stge # Sundance/Tamarack TC9021 gigabit Ethernet 1947d61e6649SAlexander Langerdevice vr # VIA Rhine, Rhine II 19482608aefcSPyun YongHyeondevice vte # DM&P Vortex86 RDC R6040 Fast Ethernet 1949d61e6649SAlexander Langerdevice xl # 3Com 3c90x (``Boomerang'', ``Cyclone'') 1950d61e6649SAlexander Langer 1951c75f49f7SKonstantin Belousov# PCI/PCI-X/PCIe Ethernet NICs that use iflib infrastructure 1952c75f49f7SKonstantin Belousovdevice iflib 1953c75f49f7SKonstantin Belousovdevice em # Intel Pro/1000 Gigabit Ethernet 1954c75f49f7SKonstantin Belousovdevice ix # Intel Pro/10Gbe PCIE Ethernet 1955c75f49f7SKonstantin Belousovdevice ixv # Intel Pro/10Gbe PCIE Ethernet VF 1956c75f49f7SKonstantin Belousov 1957d61e6649SAlexander Langer# PCI Ethernet NICs. 19587f687043SJohn Baldwindevice cxgb # Chelsio T3 10 Gigabit Ethernet 19597f687043SJohn Baldwindevice cxgb_t3fw # Chelsio T3 10 Gigabit Ethernet firmware 1960a74031a5SJohn Baldwindevice cxgbe # Chelsio T4-T6 1/10/25/40/100 Gigabit Ethernet 1961a74031a5SJohn Baldwindevice cxgbev # Chelsio T4-T6 Virtual Functions 196244ac0964SMarius Strobldevice le # AMD Am7900 LANCE and Am79C9xx PCnet 1963f9ae0280SAndrew Gallatindevice mxge # Myricom Myri-10G 10GbE NIC 19642f345d8eSLuigi Rizzodevice oce # Emulex 10 GbE (OneConnect Ethernet) 19656e535f6eSRemko Lodderdevice ti # Alteon Networks Tigon I/II gigabit Ethernet 1966d61e6649SAlexander Langer 1967390cee87SJohn Baldwin# PCI IEEE 802.11 Wireless NICs 1968390cee87SJohn Baldwindevice ath # Atheros pci/cardbus NIC's 1969390cee87SJohn Baldwindevice ath_hal # pci/cardbus chip support 1970390cee87SJohn Baldwin#device ath_ar5210 # AR5210 chips 1971390cee87SJohn Baldwin#device ath_ar5211 # AR5211 chips 1972390cee87SJohn Baldwin#device ath_ar5212 # AR5212 chips 1973390cee87SJohn Baldwin#device ath_rf2413 1974390cee87SJohn Baldwin#device ath_rf2417 1975390cee87SJohn Baldwin#device ath_rf2425 1976390cee87SJohn Baldwin#device ath_rf5111 1977390cee87SJohn Baldwin#device ath_rf5112 1978390cee87SJohn Baldwin#device ath_rf5413 1979390cee87SJohn Baldwin#device ath_ar5416 # AR5416 chips 1980bc391cb2SWarner Losh# All of the AR5212 parts have a problem when paired with the AR71xx 1981bc391cb2SWarner Losh# CPUS. These parts have a bug that triggers a fatal bus error on the AR71xx 1982bc391cb2SWarner Losh# only. Details of the exact nature of the bug are sketchy, but some can be 1983bc391cb2SWarner Losh# found at https://forum.openwrt.org/viewtopic.php?pid=70060 on pages 4, 5 and 1984bc391cb2SWarner Losh# 6. This option enables this workaround. There is a performance penalty 1985bc391cb2SWarner Losh# for this work around, but without it things don't work at all. The DMA 1986bc391cb2SWarner Losh# from the card usually bursts 128 bytes, but on the affected CPUs, only 1987bc391cb2SWarner Losh# 4 are safe. 1988bc391cb2SWarner Loshoptions AH_RXCFG_SDMAMW_4BYTES 1989390cee87SJohn Baldwin#device ath_ar9160 # AR9160 chips 1990390cee87SJohn Baldwin#device ath_ar9280 # AR9280 chips 199158c4a5a1SRui Paulo#device ath_ar9285 # AR9285 chips 1992390cee87SJohn Baldwindevice ath_rate_sample # SampleRate tx rate control for ath 1993390cee87SJohn Baldwindevice bwi # Broadcom BCM430* BCM431* 1994eb5ef23cSWeongyo Jeongdevice bwn # Broadcom BCM43xx 1995d1f25d5dSBernhard Schmidtdevice malo # Marvell Libertas wireless NICs. 1996d1f25d5dSBernhard Schmidtdevice mwl # Marvell 88W8363 802.11n wireless NICs. 1997778eefa4SJohn Baldwindevice mwlfw 1998390cee87SJohn Baldwindevice ral # Ralink Technology RT2500 wireless NICs. 1999b38b13d8SKevin Lodevice rtwn # Realtek wireless NICs 2000b38b13d8SKevin Lodevice rtwnfw 2001390cee87SJohn Baldwin 200210a4360cSPyun YongHyeon# Use sf_buf(9) interface for jumbo buffers on ti(4) controllers. 200310a4360cSPyun YongHyeon#options TI_SF_BUF_JUMBO 200498cb733cSKenneth D. Merry# Turn on the header splitting option for the ti(4) driver firmware. This 200598cb733cSKenneth D. Merry# only works for Tigon II chips, and has no effect for Tigon I chips. 200610a4360cSPyun YongHyeon# This option requires the TI_SF_BUF_JUMBO option above. 2007b590f210SPyun YongHyeon#options TI_JUMBO_HDRSPLIT 200898cb733cSKenneth D. Merry 20092c8f5a28SKenneth D. Merry# These two options allow manipulating the mbuf cluster size and mbuf size, 20102c8f5a28SKenneth D. Merry# respectively. Be very careful with NIC driver modules when changing 20112c8f5a28SKenneth D. Merry# these from their default values, because that can potentially cause a 20122c8f5a28SKenneth D. Merry# mismatch between the mbuf size assumed by the kernel and the mbuf size 20132c8f5a28SKenneth D. Merry# assumed by a module. The only driver that currently has the ability to 20142c8f5a28SKenneth D. Merry# detect a mismatch is ti(4). 20152c8f5a28SKenneth D. Merryoptions MCLSHIFT=12 # mbuf cluster shift in bits, 12 == 4KB 20162c8f5a28SKenneth D. Merryoptions MSIZE=512 # mbuf size in bytes 20172c8f5a28SKenneth D. Merry 2018c19da41eSPeter Wemm# 20190739ea1dSSeigo Tanimura# Sound drivers 2020c19da41eSPeter Wemm# 20210739ea1dSSeigo Tanimura# sound: The generic sound driver. 2022c7406082SJohn-Mark Gurney# 20230739ea1dSSeigo Tanimura 20240739ea1dSSeigo Tanimuradevice sound 20250739ea1dSSeigo Tanimura 20260739ea1dSSeigo Tanimura# 20270739ea1dSSeigo Tanimura# snd_*: Device-specific drivers. 2028c7406082SJohn-Mark Gurney# 20299c0ef6d5SOliver Fromme# The flags of the device tell the device a bit more info about the 20307f5092f3SJohn Baldwin# device that normally is obtained through the PnP interface. 20317f5092f3SJohn Baldwin# bit 2..0 secondary DMA channel; 20327f5092f3SJohn Baldwin# bit 4 set if the board uses two dma channels; 20337f5092f3SJohn Baldwin# bit 15..8 board type, overrides autodetection; leave it 20347f5092f3SJohn Baldwin# zero if don't know what to put in (and you don't, 20357f5092f3SJohn Baldwin# since this is unsupported at the moment...). 20367f5092f3SJohn Baldwin# 2037c3a730dfSJoel Dahl# snd_ad1816: Analog Devices AD1816 ISA PnP/non-PnP. 20380739ea1dSSeigo Tanimura# snd_als4000: Avance Logic ALS4000 PCI. 2039d9bde1adSAriff Abdullah# snd_atiixp: ATI IXP 200/300/400 PCI. 20400739ea1dSSeigo Tanimura# snd_cmi: CMedia CMI8338/CMI8738 PCI. 20410739ea1dSSeigo Tanimura# snd_cs4281: Crystal Semiconductor CS4281 PCI. 20420739ea1dSSeigo Tanimura# snd_csa: Crystal Semiconductor CS461x/428x PCI. (except 20430739ea1dSSeigo Tanimura# 4281) 20440739ea1dSSeigo Tanimura# snd_ds1: Yamaha DS-1 PCI. 20450739ea1dSSeigo Tanimura# snd_emu10k1: Creative EMU10K1 PCI and EMU10K2 (Audigy) PCI. 20460fa7ab6aSAlexander Leidinger# snd_emu10kx: Creative SoundBlaster Live! and Audigy 20479f548240SAlexander Leidinger# snd_envy24: VIA Envy24 and compatible, needs snd_spicds. 20489f548240SAlexander Leidinger# snd_envy24ht: VIA Envy24HT and compatible, needs snd_spicds. 20490739ea1dSSeigo Tanimura# snd_es137x: Ensoniq AudioPCI ES137x PCI. 2050727ded3aSJoel Dahl# snd_ess: Ensoniq ESS ISA PnP/non-PnP, to be used in 2051727ded3aSJoel Dahl# conjunction with snd_sbc. 20520739ea1dSSeigo Tanimura# snd_fm801: Forte Media FM801 PCI. 20530739ea1dSSeigo Tanimura# snd_gusc: Gravis UltraSound ISA PnP/non-PnP. 20544b8939a1SAriff Abdullah# snd_hda: Intel High Definition Audio (Controller) and 20554b8939a1SAriff Abdullah# compatible. 2056e4afd792SAlexander Motin# snd_hdspe: RME HDSPe AIO and RayDAT. 205717470869SAlexander Motin# snd_ich: Intel ICH AC'97 and some more audio controllers 2058903b2fb9SJoel Dahl# embedded in a chipset, for example nVidia 2059903b2fb9SJoel Dahl# nForce controllers. 20600739ea1dSSeigo Tanimura# snd_maestro: ESS Technology Maestro-1/2x PCI. 20610739ea1dSSeigo Tanimura# snd_maestro3: ESS Technology Maestro-3/Allegro PCI. 20620739ea1dSSeigo Tanimura# snd_mss: Microsoft Sound System ISA PnP/non-PnP. 20630739ea1dSSeigo Tanimura# snd_neomagic: Neomagic 256 AV/ZX PCI. 20640739ea1dSSeigo Tanimura# snd_sb16: Creative SoundBlaster16, to be used in 20651c9c6382SRuslan Ermilov# conjunction with snd_sbc. 20660739ea1dSSeigo Tanimura# snd_sb8: Creative SoundBlaster (pre-16), to be used in 20671c9c6382SRuslan Ermilov# conjunction with snd_sbc. 20680739ea1dSSeigo Tanimura# snd_sbc: Creative SoundBlaster ISA PnP/non-PnP. 20697f5092f3SJohn Baldwin# Supports ESS and Avance ISA chips as well. 20700739ea1dSSeigo Tanimura# snd_solo: ESS Solo-1x PCI. 2071de8d750fSJoel Dahl# snd_spicds: SPI codec driver, needed by Envy24/Envy24HT drivers. 2072903b2fb9SJoel Dahl# snd_t4dwave: Trident 4DWave DX/NX PCI, Sis 7018 PCI and Acer Labs 20730739ea1dSSeigo Tanimura# M5451 PCI. 2074de8d750fSJoel Dahl# snd_uaudio: USB audio. 20750739ea1dSSeigo Tanimura# snd_via8233: VIA VT8233x PCI. 20760739ea1dSSeigo Tanimura# snd_via82c686: VIA VT82C686A PCI. 20770739ea1dSSeigo Tanimura# snd_vibes: S3 Sonicvibes PCI. 207881bb901eSPeter Wemm 2079f37a929cSPeter Wemmdevice snd_ad1816 2080f37a929cSPeter Wemmdevice snd_als4000 2081d9bde1adSAriff Abdullahdevice snd_atiixp 20820739ea1dSSeigo Tanimuradevice snd_cmi 2083f37a929cSPeter Wemmdevice snd_cs4281 20840739ea1dSSeigo Tanimuradevice snd_csa 2085f37a929cSPeter Wemmdevice snd_ds1 2086f37a929cSPeter Wemmdevice snd_emu10k1 20870fa7ab6aSAlexander Leidingerdevice snd_emu10kx 2088b1ff0220SAlexander Leidingerdevice snd_envy24 20899f548240SAlexander Leidingerdevice snd_envy24ht 2090f37a929cSPeter Wemmdevice snd_es137x 20910739ea1dSSeigo Tanimuradevice snd_ess 2092f37a929cSPeter Wemmdevice snd_fm801 20930739ea1dSSeigo Tanimuradevice snd_gusc 20944b8939a1SAriff Abdullahdevice snd_hda 2095e4afd792SAlexander Motindevice snd_hdspe 20960739ea1dSSeigo Tanimuradevice snd_ich 20970739ea1dSSeigo Tanimuradevice snd_maestro 2098f37a929cSPeter Wemmdevice snd_maestro3 20990739ea1dSSeigo Tanimuradevice snd_mss 21000739ea1dSSeigo Tanimuradevice snd_neomagic 2101f37a929cSPeter Wemmdevice snd_sb16 2102f37a929cSPeter Wemmdevice snd_sb8 21030739ea1dSSeigo Tanimuradevice snd_sbc 21040739ea1dSSeigo Tanimuradevice snd_solo 21059f548240SAlexander Leidingerdevice snd_spicds 2106f37a929cSPeter Wemmdevice snd_t4dwave 2107de8d750fSJoel Dahldevice snd_uaudio 2108f37a929cSPeter Wemmdevice snd_via8233 2109f37a929cSPeter Wemmdevice snd_via82c686 21100739ea1dSSeigo Tanimuradevice snd_vibes 2111c19da41eSPeter Wemm 21121c9c6382SRuslan Ermilov# For non-PnP sound cards: 2113f9ba2bbeSWarner Loshenvvar hint.pcm.0.at="isa" 2114f9ba2bbeSWarner Loshenvvar hint.pcm.0.irq="10" 2115f9ba2bbeSWarner Loshenvvar hint.pcm.0.drq="1" 2116f9ba2bbeSWarner Loshenvvar hint.pcm.0.flags="0x0" 2117f9ba2bbeSWarner Loshenvvar hint.sbc.0.at="isa" 2118f9ba2bbeSWarner Loshenvvar hint.sbc.0.port="0x220" 2119f9ba2bbeSWarner Loshenvvar hint.sbc.0.irq="5" 2120f9ba2bbeSWarner Loshenvvar hint.sbc.0.drq="1" 2121f9ba2bbeSWarner Loshenvvar hint.sbc.0.flags="0x15" 2122f9ba2bbeSWarner Loshenvvar hint.gusc.0.at="isa" 2123f9ba2bbeSWarner Loshenvvar hint.gusc.0.port="0x220" 2124f9ba2bbeSWarner Loshenvvar hint.gusc.0.irq="5" 2125f9ba2bbeSWarner Loshenvvar hint.gusc.0.drq="1" 2126f9ba2bbeSWarner Loshenvvar hint.gusc.0.flags="0x13" 21277f5092f3SJohn Baldwin 21286a8d6623SGarrett Wollman# 212918fe4678SAriff Abdullah# Following options are intended for debugging/testing purposes: 213018fe4678SAriff Abdullah# 213118fe4678SAriff Abdullah# SND_DEBUG Enable extra debugging code that includes 213218fe4678SAriff Abdullah# sanity checking and possible increase of 213318fe4678SAriff Abdullah# verbosity. 213418fe4678SAriff Abdullah# 2135d51e8487SJosh Paetzel# SND_DIAGNOSTIC Similar in a spirit of INVARIANTS/DIAGNOSTIC, 213618fe4678SAriff Abdullah# zero tolerance against inconsistencies. 213718fe4678SAriff Abdullah# 213818fe4678SAriff Abdullah# SND_FEEDER_MULTIFORMAT By default, only 16/32 bit feeders are compiled 213918fe4678SAriff Abdullah# in. This options enable most feeder converters 214018fe4678SAriff Abdullah# except for 8bit. WARNING: May bloat the kernel. 214118fe4678SAriff Abdullah# 214218fe4678SAriff Abdullah# SND_FEEDER_FULL_MULTIFORMAT Ditto, but includes 8bit feeders as well. 214318fe4678SAriff Abdullah# 214418fe4678SAriff Abdullah# SND_FEEDER_RATE_HP (feeder_rate) High precision 64bit arithmetic 214518fe4678SAriff Abdullah# as much as possible (the default trying to 214618fe4678SAriff Abdullah# avoid it). Possible slowdown. 214718fe4678SAriff Abdullah# 214818fe4678SAriff Abdullah# SND_PCM_64 (Only applicable for i386/32bit arch) 214918fe4678SAriff Abdullah# Process 32bit samples through 64bit 215018fe4678SAriff Abdullah# integer/arithmetic. Slight increase of dynamic 215118fe4678SAriff Abdullah# range at a cost of possible slowdown. 215218fe4678SAriff Abdullah# 215318fe4678SAriff Abdullah# SND_OLDSTEREO Only 2 channels are allowed, effectively 215418fe4678SAriff Abdullah# disabling multichannel processing. 215518fe4678SAriff Abdullah# 215618fe4678SAriff Abdullahoptions SND_DEBUG 215718fe4678SAriff Abdullahoptions SND_DIAGNOSTIC 215818fe4678SAriff Abdullahoptions SND_FEEDER_MULTIFORMAT 215918fe4678SAriff Abdullahoptions SND_FEEDER_FULL_MULTIFORMAT 216018fe4678SAriff Abdullahoptions SND_FEEDER_RATE_HP 216118fe4678SAriff Abdullahoptions SND_PCM_64 216218fe4678SAriff Abdullahoptions SND_OLDSTEREO 216318fe4678SAriff Abdullah 216418fe4678SAriff Abdullah# 21656e818956SDavid E. O'Brien# PC Card/PCMCIA and Cardbus 21666e818956SDavid E. O'Brien# 21675bcb64f2SWarner Losh# cbb: pci/cardbus bridge implementing YENTA interface 21686e818956SDavid E. O'Brien# cardbus: cardbus slots 21696e818956SDavid E. O'Briendevice cbb 21706e818956SDavid E. O'Briendevice cardbus 21716e818956SDavid E. O'Brien 21726e818956SDavid E. O'Brien# 21735bcb64f2SWarner Losh# MMC/SD 21745bcb64f2SWarner Losh# 2175831f5dcfSAlexander Motin# mmc MMC/SD bus 2176831f5dcfSAlexander Motin# mmcsd MMC/SD memory card 2177831f5dcfSAlexander Motin# sdhci Generic PCI SD Host Controller 2178926ce35aSJung-uk Kim# rtsx Realtek SD card reader (RTS5209, RTS5227, ...) 2179831f5dcfSAlexander Motindevice mmc 2180831f5dcfSAlexander Motindevice mmcsd 2181831f5dcfSAlexander Motindevice sdhci 2182926ce35aSJung-uk Kimdevice rtsx 21835bcb64f2SWarner Losh 21845bcb64f2SWarner Losh# 21858afa373cSNicolas Souchu# SMB bus 21868afa373cSNicolas Souchu# 21873c5656bfSArchie Cobbs# System Management Bus support is provided by the 'smbus' device. 21883c5656bfSArchie Cobbs# Access to the SMBus device is via the 'smb' device (/dev/smb*), 21893c5656bfSArchie Cobbs# which is a child of the 'smbus' device. 21908afa373cSNicolas Souchu# 21918afa373cSNicolas Souchu# Supported devices: 21924d5f30e0SRuslan Ermilov# smb standard I/O through /dev/smb* 21938afa373cSNicolas Souchu# 21943c5656bfSArchie Cobbs# Supported SMB interfaces: 219528ebb692SNicolas Souchu# iicsmb I2C to SMB bridge with any iicbus interface 21967f5092f3SJohn Baldwin# intpm Intel PIIX4 (82371AB, 82443MX) Power Management Unit 21977f5092f3SJohn Baldwin# alpm Acer Aladdin-IV/V/Pro2 Power Management Unit 21987f5092f3SJohn Baldwin# ichsmb Intel ICH SMBus controller chips (82801AA, 82801AB, 82801BA) 21997f5092f3SJohn Baldwin# viapm VIA VT82C586B/596B/686A and VT8233 Power Management Unit 2200b1acc4a2SMurray Stokely# amdpm AMD 756 Power Management Unit 22014d5f30e0SRuslan Ermilov# amdsmb AMD 8111 SMBus 2.0 Controller 220244e6ce01SNicolas Souchu# nfpm NVIDIA nForce Power Management Unit 22034d5f30e0SRuslan Ermilov# nfsmb NVIDIA nForce2/3/4 MCP SMBus 2.0 Controller 22040572ccaaSJim Harris# ismt Intel SMBus 2.0 controller chips (on Atom S1200, C2000) 22058afa373cSNicolas Souchu# 2206c9953c3bSPeter Wemmdevice smbus # Bus support, required for smb below. 22073c5656bfSArchie Cobbs 22087f5092f3SJohn Baldwindevice intpm 22097f5092f3SJohn Baldwindevice alpm 22107f5092f3SJohn Baldwindevice ichsmb 22117f5092f3SJohn Baldwindevice viapm 221244e6ce01SNicolas Souchudevice amdpm 22134d5f30e0SRuslan Ermilovdevice amdsmb 221444e6ce01SNicolas Souchudevice nfpm 22154d5f30e0SRuslan Ermilovdevice nfsmb 22160572ccaaSJim Harrisdevice ismt 22177f5092f3SJohn Baldwin 2218c9953c3bSPeter Wemmdevice smb 22198afa373cSNicolas Souchu 22204afdfe97SAndriy Gapon# SMBus peripheral devices 22218afa373cSNicolas Souchu# 2222dcd935dfSRavi Pokala# jedec_dimm Asset and temperature reporting for DDR3 and DDR4 DIMMs 22234afdfe97SAndriy Gapon# 2224dcd935dfSRavi Pokaladevice jedec_dimm 22254afdfe97SAndriy Gapon 22268afa373cSNicolas Souchu# I2C Bus 22278afa373cSNicolas Souchu# 22288afa373cSNicolas Souchu# Philips i2c bus support is provided by the `iicbus' device. 22298afa373cSNicolas Souchu# 22308afa373cSNicolas Souchu# Supported devices: 22318afa373cSNicolas Souchu# ic i2c network interface 22328afa373cSNicolas Souchu# iic i2c standard io 2233f7d09fbaSNicolas Souchu# iicsmb i2c to smb bridge. Allow i2c i/o with smb commands. 22341ab68cbbSJayachandran C.# iicoc simple polling driver for OpenCores I2C controller 22358afa373cSNicolas Souchu# 223628ebb692SNicolas Souchu# Other: 2237daba5aceSWarner Losh# iicbb generic I2C bit-banging code (needed by lpbb) 22388afa373cSNicolas Souchu# 2239c9953c3bSPeter Wemmdevice iicbus # Bus support, required for ic/iic/iicsmb below. 22406f3bd9a6SIan Leporedevice iicbb # bitbang driver; implements i2c on a pair of gpio pins 22418afa373cSNicolas Souchu 2242c9953c3bSPeter Wemmdevice ic 22436f3bd9a6SIan Leporedevice iic # userland access to i2c slave devices via ioctl(8) 2244c9953c3bSPeter Wemmdevice iicsmb # smb over i2c bridge 22451ab68cbbSJayachandran C.device iicoc # OpenCores I2C controller support 22468afa373cSNicolas Souchu 2247422d05daSIan Lepore# I2C bus multiplexer (mux) devices 2248422d05daSIan Leporedevice iicmux # i2c mux core driver 2249422d05daSIan Leporedevice iic_gpiomux # i2c mux hardware controlled via gpio pins 2250422d05daSIan Leporedevice ltc430x # LTC4305 and LTC4306 i2c mux chips 2251422d05daSIan Lepore 2252286fa445SRafal Jaworowski# I2C peripheral devices 2253286fa445SRafal Jaworowski# 2254ac6a9e47SIan Leporedevice ad7418 # Analog Devices temp and voltage sensor 22555177d294SIan Leporedevice ads111x # Texas Instruments ADS101x and ADS111x ADCs 225646ec180eSIan Leporedevice ds1307 # Dallas DS1307 RTC and compatible 2257bb2e8108SIan Leporedevice ds13rtc # All Dallas/Maxim ds13xx chips 225846ec180eSIan Leporedevice ds1672 # Dallas DS1672 RTC 225946ec180eSIan Leporedevice ds3231 # Dallas DS3231 RTC + temperature 2260bf3a3852SBjoern A. Zeebdevice fan53555 # Fairchild Semi FAN53555/SYR82x Regulator 226146ec180eSIan Leporedevice icee # AT24Cxxx and compatible EEPROMs 2262ac6a9e47SIan Leporedevice isl12xx # Intersil ISL12xx RTC 226346ec180eSIan Leporedevice lm75 # LM75 compatible temperature sensor 226446ec180eSIan Leporedevice nxprtc # NXP RTCs: PCA/PFC212x PCA/PCF85xx 2265ac6a9e47SIan Leporedevice rtc8583 # Epson RTC-8583 226646ec180eSIan Leporedevice s35390a # Seiko Instruments S-35390A RTC 2267ac6a9e47SIan Leporedevice sy8106a # Silergy Corp. SY8106A buck regulator 2268286fa445SRafal Jaworowski 2269ab4c624bSMike Smith# Parallel-Port Bus 2270ab4c624bSMike Smith# 2271ab4c624bSMike Smith# Parallel port bus support is provided by the `ppbus' device. 2272ab4c624bSMike Smith# Multiple devices may be attached to the parallel port, devices 2273ab4c624bSMike Smith# are automatically probed and attached when found. 2274ab4c624bSMike Smith# 2275ab4c624bSMike Smith# Supported devices: 2276fdf94d1aSNicolas Souchu# lpt Parallel Printer 227746f3ff79SMike Smith# plip Parallel network interface 2278fdf94d1aSNicolas Souchu# ppi General-purpose I/O ("Geek Port") + IEEE1284 I/O 2279f7d09fbaSNicolas Souchu# pps Pulse per second Timing Interface 228028ebb692SNicolas Souchu# lpbb Philips official parallel port I2C bit-banging interface 22811caef332SWojciech A. Koszek# pcfclock Parallel port clock driver. 2282ab4c624bSMike Smith# 2283ab4c624bSMike Smith# Supported interfaces: 2284ab4c624bSMike Smith# ppc ISA-bus parallel port interfaces. 2285ab4c624bSMike Smith# 2286ef8f7626SNicolas Souchu 22870f210c92SNicolas Souchuoptions PPC_PROBE_CHIPSET # Enable chipset specific detection 22880f210c92SNicolas Souchu # (see flags in ppc(4)) 22895895e3c8SPeter Wemmoptions DEBUG_1284 # IEEE1284 signaling protocol debug 22909d5abbddSJens Schweikhardtoptions PERIPH_1284 # Makes your computer act as an IEEE1284 2291ef8f7626SNicolas Souchu # compliant peripheral 22925895e3c8SPeter Wemmoptions DONTPROBE_1284 # Avoid boot detection of PnP parallel devices 22935895e3c8SPeter Wemmoptions LPT_DEBUG # Printer driver debug 22945895e3c8SPeter Wemmoptions PPC_DEBUG # Parallel chipset level debug 22955895e3c8SPeter Wemmoptions PLIP_DEBUG # Parallel network IP interface debug 22963b2d592cSJordan K. Hubbardoptions PCFCLOCK_VERBOSE # Verbose pcfclock driver 22973b2d592cSJordan K. Hubbardoptions PCFCLOCK_MAX_RETRIES=5 # Maximum read tries (default 10) 2298ef8f7626SNicolas Souchu 2299f71c01ccSPeter Wemmdevice ppc 2300f9ba2bbeSWarner Loshenvvar hint.ppc.0.at="isa" 2301f9ba2bbeSWarner Loshenvvar hint.ppc.0.irq="7" 23020d31b179SPeter Wemmdevice ppbus 23030d31b179SPeter Wemmdevice lpt 23040d31b179SPeter Wemmdevice plip 23050d31b179SPeter Wemmdevice ppi 23060d31b179SPeter Wemmdevice pps 23070d31b179SPeter Wemmdevice lpbb 23080d31b179SPeter Wemmdevice pcfclock 2309ab4c624bSMike Smith 23106e36309dSIan Lepore# General Purpose I/O pins 2311446e035cSRuslan Bukindevice dwgpio # Synopsys DesignWare APB GPIO Controller 23126e36309dSIan Leporedevice gpio # gpio interfaces and bus support 23136e36309dSIan Leporedevice gpiobacklight # sysctl control of gpio-based backlight 23146e36309dSIan Leporedevice gpioiic # i2c via gpio bitbang 23156e36309dSIan Leporedevice gpiokeys # kbd(4) glue for gpio-based key input 23166e36309dSIan Leporedevice gpioled # led(4) gpio glue 23176e36309dSIan Leporedevice gpiopower # event handler for gpio-based powerdown 23186e36309dSIan Leporedevice gpiopps # Pulse per second input from gpio pin 23196e36309dSIan Leporedevice gpioregulator # extres/regulator glue for gpio pin 23206e36309dSIan Leporedevice gpiospi # SPI via gpio bitbang 23216e36309dSIan Leporedevice gpioths # 1-wire temp/humidity sensor on gpio pin 23226e36309dSIan Lepore 23230bab2b6eSIan Lepore# Pulse width modulation 23240bab2b6eSIan Leporedevice pwmbus # pwm interface and bus support 23250bab2b6eSIan Leporedevice pwmc # userland control access to pwm outputs 23260bab2b6eSIan Lepore 2327f45757caSChristian Brueffer# 2328f45757caSChristian Brueffer# Etherswitch framework and drivers 2329f45757caSChristian Brueffer# 2330f45757caSChristian Brueffer# etherswitch The etherswitch(4) framework 2331f45757caSChristian Brueffer# miiproxy Proxy device for miibus(4) functionality 2332f45757caSChristian Brueffer# 2333f45757caSChristian Brueffer# Switch hardware support: 2334f45757caSChristian Brueffer# arswitch Atheros switches 2335f45757caSChristian Brueffer# ip17x IC+ 17x family switches 2336f45757caSChristian Brueffer# rtl8366r Realtek RTL8366 switches 2337f45757caSChristian Brueffer# ukswitch Multi-PHY switches 2338f45757caSChristian Brueffer# 2339f45757caSChristian Bruefferdevice etherswitch 2340f45757caSChristian Bruefferdevice miiproxy 2341f45757caSChristian Bruefferdevice arswitch 2342f45757caSChristian Bruefferdevice ip17x 2343f45757caSChristian Bruefferdevice rtl8366rb 2344f45757caSChristian Bruefferdevice ukswitch 2345f45757caSChristian Brueffer 23460ac40133SBrian Somers# Kernel BOOTP support 23470ac40133SBrian Somers 23480ac40133SBrian Somersoptions BOOTP # Use BOOTP to obtain IP address/hostname 2349c15882f0SRick Macklem # Requires NFSCL and NFS_ROOT 23500ac40133SBrian Somersoptions BOOTP_NFSROOT # NFS mount root filesystem using BOOTP info 23510ac40133SBrian Somersoptions BOOTP_NFSV3 # Use NFS v3 to NFS mount root 23520ac40133SBrian Somersoptions BOOTP_COMPAT # Workaround for broken bootp daemons. 23530ac40133SBrian Somersoptions BOOTP_WIRED_TO=fxp0 # Use interface fxp0 for BOOTP 2354eead3ae9SBenno Riceoptions BOOTP_BLOCKSIZE=8192 # Override NFS block size 2355432aad0eSTor Egge 2356d94f38acSEivind Eklund# 2357d626b50bSMike Karels# Enable software watchdog routines, even if hardware watchdog is present. 2358d626b50bSMike Karels# By default, software watchdog timer is enabled only if no hardware watchdog 2359d626b50bSMike Karels# is present. 2360370c3cb5SSean Kelly# 23614103b765SPoul-Henning Kampoptions SW_WATCHDOG 2362370c3cb5SSean Kelly 2363370c3cb5SSean Kelly# 2364f7829d0dSAttilio Rao# Add the software deadlock resolver thread. 2365f7829d0dSAttilio Rao# 2366f7829d0dSAttilio Raooptions DEADLKRES 2367f7829d0dSAttilio Rao 2368f7829d0dSAttilio Rao# 2369b99d6e6fSDavid Schultz# Disable swapping of stack pages. This option removes all 23704e0ee531SMike Barcroft# code which actually performs swapping, so it's not possible to turn 23714e0ee531SMike Barcroft# it back on at run-time. 2372c796cfa1SAndrzej Bialecki# 2373c796cfa1SAndrzej Bialecki# This is sometimes usable for systems which don't have any swap space 23743c4c0efdSBryan Drewery# (see also sysctl "vm.disable_swapspace_pageouts") 2375c796cfa1SAndrzej Bialecki# 237619dde963SPeter Wemm#options NO_SWAPPING 2377c796cfa1SAndrzej Bialecki 23789dab0776SDavid Greenman# Set the number of sf_bufs to allocate. sf_bufs are virtual buffers 23799dab0776SDavid Greenman# for sendfile(2) that are used to map file VM pages, and normally 23809dab0776SDavid Greenman# default to a quantity that is roughly 16*MAXUSERS+512. You would 23819dab0776SDavid Greenman# typically want about 4 of these for each simultaneous file send. 23829dab0776SDavid Greenman# 23835895e3c8SPeter Wemmoptions NSFBUFS=1024 23849dab0776SDavid Greenman 238515a1057cSEivind Eklund# 2386053a2b61SEivind Eklund# Enable extra debugging code for locks. This stores the filename and 23879c0ef6d5SOliver Fromme# line of whatever acquired the lock in the lock itself, and changes a 2388053a2b61SEivind Eklund# number of function calls to pass around the relevant data. This is 23892c048c4aSBryan Drewery# not at all useful unless you are debugging lock code. Note that 23902c048c4aSBryan Drewery# modules should be recompiled as this option modifies KBI. 239115a1057cSEivind Eklund# 239215a1057cSEivind Eklundoptions DEBUG_LOCKS 239315a1057cSEivind Eklund 2394a898ee51SHans Petter Selasky##################################################################### 23950f0379faSVladimir Kondratyev# HID support 23960f0379faSVladimir Kondratyevdevice hid # Generic HID support 23970f0379faSVladimir Kondratyevoptions HID_DEBUG # enable debug msgs 23980f0379faSVladimir Kondratyevdevice hidbus # HID bus 23990f0379faSVladimir Kondratyevdevice hidmap # HID to evdev mapping 24000f0379faSVladimir Kondratyevdevice hidraw # Raw access driver 24010f0379faSVladimir Kondratyevoptions HIDRAW_MAKE_UHID_ALIAS # install /dev/uhid alias 24020f0379faSVladimir Kondratyevdevice hconf # Multitouch configuration TLC 24030f0379faSVladimir Kondratyevdevice hcons # Consumer controls 24040f0379faSVladimir Kondratyevdevice hgame # Generic game controllers 24050f0379faSVladimir Kondratyevdevice hkbd # HID keyboard 24060f0379faSVladimir Kondratyevdevice hms # HID mouse 24070f0379faSVladimir Kondratyevdevice hmt # HID multitouch (MS-compatible) 24080f0379faSVladimir Kondratyevdevice hpen # Generic pen driver 24090f0379faSVladimir Kondratyevdevice hsctrl # System controls 24100f0379faSVladimir Kondratyevdevice ps4dshock # Sony PS4 DualShock 4 gamepad driver 24110f0379faSVladimir Kondratyevdevice xb360gp # XBox 360 gamepad driver 2412a898ee51SHans Petter Selasky 241326086a03SPeter Wemm##################################################################### 24141d33cf3dSNick Hibma# USB support 24151d33cf3dSNick Hibma# UHCI controller 2416c9953c3bSPeter Wemmdevice uhci 24171d33cf3dSNick Hibma# OHCI controller 2418c9953c3bSPeter Wemmdevice ohci 2419ca3acad1SBernd Walter# EHCI controller 2420ca3acad1SBernd Walterdevice ehci 2421857508a3SAndrew Thompson# XHCI controller 2422857508a3SAndrew Thompsondevice xhci 242339e5901eSTakanori Watanabe# SL811 Controller 2424b92755d1SAndrew Thompson#device slhci 24251d33cf3dSNick Hibma# General USB code (mandatory for USB) 2426c9953c3bSPeter Wemmdevice usb 24271d33cf3dSNick Hibma# 2428b5ea1f0cSNick Hibma# USB Double Bulk Pipe devices 2429b5ea1f0cSNick Hibmadevice udbp 24302d45d793SHans Petter Selasky# USB temperature meter 24312d45d793SHans Petter Selaskydevice ugold 24326bd03b20SKevin Lo# USB LED 24336bd03b20SKevin Lodevice uled 2434f26c33d2SNick Hibma# Human Interface Device (anything with buttons and dials) 2435c9953c3bSPeter Wemmdevice uhid 24361d33cf3dSNick Hibma# USB keyboard 2437c9953c3bSPeter Wemmdevice ukbd 24381d33cf3dSNick Hibma# USB printer 2439c9953c3bSPeter Wemmdevice ulpt 244031615ef7SRebecca Cran# USB mass storage driver (Requires scbus and da) 2441c9953c3bSPeter Wemmdevice umass 244231615ef7SRebecca Cran# USB mass storage driver for device-side mode 244331615ef7SRebecca Crandevice usfs 2444ce17576aSScott Long# USB support for Belkin F5U109 and Magic Control Technology serial adapters 2445ce17576aSScott Longdevice umct 2446e9fb12d3SNick Hibma# USB modem support 2447e9fb12d3SNick Hibmadevice umodem 2448f26c33d2SNick Hibma# USB mouse 2449c9953c3bSPeter Wemmdevice ums 2450eed447b5SHans Petter Selasky# USB touchpad(s) 2451eed447b5SHans Petter Selaskydevice atp 2452eed447b5SHans Petter Selaskydevice wsp 2453f25a8a01SGleb Smirnoff# eGalax USB touch screen 2454f25a8a01SGleb Smirnoffdevice uep 24551c9c6382SRuslan Ermilov# Diamond Rio 500 MP3 player 2456e2dbd15fSNick Hibmadevice urio 24570f0379faSVladimir Kondratyev# HID-over-USB driver 24580f0379faSVladimir Kondratyevdevice usbhid 24590f0379faSVladimir Kondratyev 2460d1233ab3SBruce Evans# 2461916e6e02SJosef Karthauser# USB serial support 2462916e6e02SJosef Karthauserdevice ucom 2463fe75118bSNick Hibma# USB support for 3G modem cards by Option, Novatel, Huawei and Sierra 2464483b9e47SNick Hibmadevice u3g 24659aab0d96SMaxim Konovalov# USB support for Technologies ARK3116 based serial adapters 24669aab0d96SMaxim Konovalovdevice uark 2467d1233ab3SBruce Evans# USB support for Belkin F5U103 and compatible serial adapters 2468d1233ab3SBruce Evansdevice ubsa 246948b68edfSJosef Karthauser# USB support for serial adapters based on the FT8U100AX and FT8U232AM 247048b68edfSJosef Karthauserdevice uftdi 2471c5286e11STakanori Watanabe# USB support for some Windows CE based serial communication. 2472c5286e11STakanori Watanabedevice uipaq 247348b68edfSJosef Karthauser# USB support for Prolific PL-2303 serial adapters 2474916e6e02SJosef Karthauserdevice uplcom 24752e7328e7SRink Springer# USB support for Silicon Laboratories CP2101/CP2102 based USB serial adapters 24762e7328e7SRink Springerdevice uslcom 247748b68edfSJosef Karthauser# USB Visor and Palm devices 247848b68edfSJosef Karthauserdevice uvisor 2479d1233ab3SBruce Evans# USB serial support for DDI pocket's PHS 2480d1233ab3SBruce Evansdevice uvscom 2481f26c33d2SNick Hibma# 2482ff6b30b9SKevin Lo# USB ethernet support 2483ff6b30b9SKevin Lodevice uether 2484ed63a7aaSBill Paul# ADMtek USB ethernet. Supports the LinkSys USB100TX, 2485d04bb221SBill Paul# the Billionton USB100, the Melco LU-ATX, the D-Link DSB-650TX 2486d04bb221SBill Paul# and the SMC 2202USB. Also works with the ADMtek AN986 Pegasus 2487d04bb221SBill Paul# eval board. 2488c9953c3bSPeter Wemmdevice aue 2489bf029145SRobert Watson 2490bf029145SRobert Watson# ASIX Electronics AX88172 USB 2.0 ethernet driver. Used in the 2491bf029145SRobert Watson# LinkSys USB200M and various other adapters. 2492bf029145SRobert Watsondevice axe 249379eb99dfSLi-Wen Hsu# ASIX Electronics AX88178A/AX88179 USB 2.0/3.0 gigabit ethernet driver. 249479eb99dfSLi-Wen Hsudevice axge 2495bf029145SRobert Watson 2496dfd1e98eSBill Paul# 24976bcf0032SMaxim Sobolev# Devices which communicate using Ethernet over USB, particularly 24986bcf0032SMaxim Sobolev# Communication Device Class (CDC) Ethernet specification. Supports 24996bcf0032SMaxim Sobolev# Sharp Zaurus PDAs, some DOCSIS cable modems and so on. 25006bcf0032SMaxim Sobolevdevice cdce 25016bcf0032SMaxim Sobolev# 250201779872SBill Paul# CATC USB-EL1201A USB ethernet. Supports the CATC Netmate 250301779872SBill Paul# and Netmate II, and the Belkin F5U111. 2504c9953c3bSPeter Wemmdevice cue 250501779872SBill Paul# 2506dfd1e98eSBill Paul# Kawasaki LSI ethernet. Supports the LinkSys USB10T, 2507d04bb221SBill Paul# Entrega USB-NET-E45, Peracom Ethernet Adapter, the 2508d04bb221SBill Paul# 3Com 3c19250, the ADS Technologies USB-10BT, the ATen UC10T, 250901779872SBill Paul# the Netgear EA101, the D-Link DSB-650, the SMC 2102USB 251001779872SBill Paul# and 2104USB, and the Corega USB-T. 2511c9953c3bSPeter Wemmdevice kue 251211e04b05SShunsuke Akiyama# 251311e04b05SShunsuke Akiyama# RealTek RTL8150 USB to fast ethernet. Supports the Melco LUA-KTX 251411e04b05SShunsuke Akiyama# and the GREEN HOUSE GH-USB100B. 251511e04b05SShunsuke Akiyamadevice rue 2516cdd40f3bSMIHIRA Sanpei Yoshiro# 2517cdd40f3bSMIHIRA Sanpei Yoshiro# Davicom DM9601E USB to fast ethernet. Supports the Corega FEther USB-TXC. 2518cdd40f3bSMIHIRA Sanpei Yoshirodevice udav 2519941e2863SAndrew Thompson# 2520a24d62b5SKevin Lo# RealTek RTL8152/RTL8153 USB Ethernet driver 2521e1b74f21SKevin Lodevice ure 2522e1b74f21SKevin Lo# 252322445463SKevin Lo# Moschip MCS7730/MCS7840 USB to fast ethernet. Supports the Sitecom LN030. 252422445463SKevin Lodevice mos 252522445463SKevin Lo# 2526941e2863SAndrew Thompson# HSxPA devices from Option N.V 2527941e2863SAndrew Thompsondevice uhso 2528cdd40f3bSMIHIRA Sanpei Yoshiro 252931d98677SRui Paulo# Realtek RTL8188SU/RTL8191SU/RTL8192SU wireless driver 253031d98677SRui Paulodevice rsu 25318a4cd00aSWarner Losh# 253271aa1d32SSam Leffler# Ralink Technology RT2501USB/RT2601USB wireless driver 253371aa1d32SSam Lefflerdevice rum 253493393dfdSAndrew Thompson# Ralink Technology RT2700U/RT2800U/RT3000U wireless driver 253593393dfdSAndrew Thompsondevice run 25368a4cd00aSWarner Losh# 253771aa1d32SSam Leffler# Atheros AR5523 wireless driver 253871aa1d32SSam Lefflerdevice uath 253971aa1d32SSam Leffler# 2540d1f25d5dSBernhard Schmidt# Conexant/Intersil PrismGT wireless driver 2541d1f25d5dSBernhard Schmidtdevice upgt 2542d1f25d5dSBernhard Schmidt# 254371aa1d32SSam Leffler# Ralink Technology RT2500USB wireless driver 25448a4cd00aSWarner Loshdevice ural 25458a4cd00aSWarner Losh# 254629311227SHans Petter Selasky# RNDIS USB ethernet driver 254729311227SHans Petter Selaskydevice urndis 25485aaea652SKevin Lo# Realtek RTL8187B/L wireless driver 25495aaea652SKevin Lodevice urtw 25505aaea652SKevin Lo# 255171aa1d32SSam Leffler# ZyDas ZD1211/ZD1211B wireless driver 255271aa1d32SSam Lefflerdevice zyd 255345b395cdSGleb Smirnoff# 255445b395cdSGleb Smirnoff# Sierra USB wireless driver 255545b395cdSGleb Smirnoffdevice usie 2556f26c33d2SNick Hibma 25578a4cd00aSWarner Losh# 2558f26c33d2SNick Hibma# debugging options for the USB subsystem 25591d33cf3dSNick Hibma# 25601d33cf3dSNick Hibmaoptions USB_DEBUG 2561fe75118bSNick Hibmaoptions U3G_DEBUG 2562f26c33d2SNick Hibma 25636e8394b8SKazutaka YOKOTA# options for ukbd: 25646e8394b8SKazutaka YOKOTAoptions UKBD_DFLT_KEYMAP # specify the built-in keymap 2565440f1cf7SBruce Evansmakeoptions UKBD_DFLT_KEYMAP=jp.106 25666e8394b8SKazutaka YOKOTA 2567565f53bbSShunsuke Akiyama# options for uplcom: 25683c7c6c12SMike Pritchardoptions UPLCOM_INTR_INTERVAL=100 # interrupt pipe interval 2569565f53bbSShunsuke Akiyama # in milliseconds 2570565f53bbSShunsuke Akiyama 257120280807SShunsuke Akiyama# options for uvscom: 257220280807SShunsuke Akiyamaoptions UVSCOM_DEFAULT_OPKTSIZE=8 # default output packet size 25733c7c6c12SMike Pritchardoptions UVSCOM_INTR_INTERVAL=100 # interrupt pipe interval 2574565f53bbSShunsuke Akiyama # in milliseconds 257520280807SShunsuke Akiyama 25768b7ce2ffSSam Leffler##################################################################### 2577869093b1SHidetoshi Shimokawa# FireWire support 25787d2ba89bSJohn Baldwin 2579869093b1SHidetoshi Shimokawadevice firewire # FireWire bus code 25807d2ba89bSJohn Baldwindevice sbp # SCSI over Firewire (Requires scbus and da) 258179acdabbSHidetoshi Shimokawadevice sbp_targ # SBP-2 Target mode (Requires scbus and targ) 2582869093b1SHidetoshi Shimokawadevice fwe # Ethernet over FireWire (non-standard!) 25831c9c6382SRuslan Ermilovdevice fwip # IP over FireWire (RFC2734 and RFC3146) 2584869093b1SHidetoshi Shimokawa 2585869093b1SHidetoshi Shimokawa##################################################################### 2586869093b1SHidetoshi Shimokawa# dcons support (Dumb Console Device) 2587869093b1SHidetoshi Shimokawa 2588869093b1SHidetoshi Shimokawadevice dcons # dumb console driver 2589869093b1SHidetoshi Shimokawadevice dcons_crom # FireWire attachment 2590869093b1SHidetoshi Shimokawaoptions DCONS_BUF_SIZE=16384 # buffer size 2591869093b1SHidetoshi Shimokawaoptions DCONS_POLL_HZ=100 # polling rate 2592869093b1SHidetoshi Shimokawaoptions DCONS_FORCE_CONSOLE=0 # force to be the primary console 2593869093b1SHidetoshi Shimokawaoptions DCONS_FORCE_GDB=1 # force to be the gdb device 25947d2ba89bSJohn Baldwin 25957d2ba89bSJohn Baldwin##################################################################### 25968b7ce2ffSSam Leffler# crypto subsystem 25978b7ce2ffSSam Leffler# 25981c9c6382SRuslan Ermilov# This is a port of the OpenBSD crypto framework. Include this when 2599b2630c29SGeorge V. Neville-Neil# configuring IPSEC and when you have a h/w crypto device to accelerate 26001c9c6382SRuslan Ermilov# user applications that link to OpenSSL. 26018b7ce2ffSSam Leffler# 26021c9c6382SRuslan Ermilov# Drivers are ports from OpenBSD with some simple enhancements that have 26031c9c6382SRuslan Ermilov# been fed back to OpenBSD. 26048b7ce2ffSSam Leffler 26058b7ce2ffSSam Lefflerdevice crypto # core crypto support 2606b65946c6SJohn-Mark Gurney 2607b65946c6SJohn-Mark Gurney# Only install the cryptodev device if you are running tests, or know 2608e0b231cbSJohn-Mark Gurney# specifically why you need it. In most cases, it is not needed and 2609e0b231cbSJohn-Mark Gurney# will make things slower. 26108b7ce2ffSSam Lefflerdevice cryptodev # /dev/crypto for access to h/w 26118b7ce2ffSSam Leffler 2612ac7e2c05SSam Lefflerdevice rndtest # FIPS 140-2 entropy tester 26138b7ce2ffSSam Leffler 26145033c43bSJohn Baldwindevice ccr # Chelsio T6 26155033c43bSJohn Baldwin 2616b7c4858fSSam Lefflerdevice hifn # Hifn 7951, 7781, etc. 2617b7c4858fSSam Leffleroptions HIFN_DEBUG # enable debugging support: hw.hifn.debug 2618b7c4858fSSam Leffleroptions HIFN_RNDTEST # enable rndtest support 2619b7c4858fSSam Leffler 26208b7ce2ffSSam Leffler##################################################################### 26218b7ce2ffSSam Leffler 26228b7ce2ffSSam Leffler 2623785d2100SJohn Birrell# 2624785d2100SJohn Birrell# Embedded system options: 2625785d2100SJohn Birrell# 2626785d2100SJohn Birrell# An embedded system might want to run something other than init. 26270fc9f11dSSergey Kandaurovoptions INIT_PATH=/sbin/init:/rescue/init 2628bc0e3a03SJeroen Ruigrok van der Werven 2629bc0e3a03SJeroen Ruigrok van der Werven# Debug options 2630bc0e3a03SJeroen Ruigrok van der Wervenoptions BUS_DEBUG # enable newbus debugging 26311c9c6382SRuslan Ermilovoptions DEBUG_VFS_LOCKS # enable VFS lock debugging 2632395bb186SSam Leffleroptions SOCKBUF_DEBUG # enable sockbuf last record/mb tail checking 263341c1a233SGleb Smirnoffoptions IFMEDIA_DEBUG # enable debugging in net/if_media.c 2634bc0e3a03SJeroen Ruigrok van der Werven 2635e2c1a4e9SBenno Rice# 2636e2c1a4e9SBenno Rice# Verbose SYSINIT 2637e2c1a4e9SBenno Rice# 2638e2c1a4e9SBenno Rice# Make the SYSINIT process performed by mi_startup() verbose. This is very 2639e2c1a4e9SBenno Rice# useful when porting to a new architecture. If DDB is also enabled, this 2640199b9ab8SIan Lepore# will print function names instead of addresses. If defined with a value 2641199b9ab8SIan Lepore# of zero, the verbose code is compiled-in but disabled by default, and can 2642199b9ab8SIan Lepore# be enabled with the debug.verbose_sysinit=1 tunable. 2643e2c1a4e9SBenno Riceoptions VERBOSE_SYSINIT 2644e2c1a4e9SBenno Rice 2645446af86dSJohn Baldwin##################################################################### 2646446af86dSJohn Baldwin# SYSV IPC KERNEL PARAMETERS 2647446af86dSJohn Baldwin# 2648446af86dSJohn Baldwin# Maximum number of System V semaphores that can be used on the system at 2649446af86dSJohn Baldwin# one time. 2650446af86dSJohn Baldwinoptions SEMMNI=11 2651446af86dSJohn Baldwin 2652446af86dSJohn Baldwin# Total number of semaphores system wide 2653446af86dSJohn Baldwinoptions SEMMNS=61 2654446af86dSJohn Baldwin 2655446af86dSJohn Baldwin# Total number of undo structures in system 2656446af86dSJohn Baldwinoptions SEMMNU=31 2657446af86dSJohn Baldwin 2658446af86dSJohn Baldwin# Maximum number of System V semaphores that can be used by a single process 2659446af86dSJohn Baldwin# at one time. 2660446af86dSJohn Baldwinoptions SEMMSL=61 2661446af86dSJohn Baldwin 2662446af86dSJohn Baldwin# Maximum number of operations that can be outstanding on a single System V 2663446af86dSJohn Baldwin# semaphore at one time. 2664446af86dSJohn Baldwinoptions SEMOPM=101 2665446af86dSJohn Baldwin 2666446af86dSJohn Baldwin# Maximum number of undo operations that can be outstanding on a single 2667446af86dSJohn Baldwin# System V semaphore at one time. 2668446af86dSJohn Baldwinoptions SEMUME=11 2669446af86dSJohn Baldwin 2670446af86dSJohn Baldwin# Maximum number of shared memory pages system wide. 2671446af86dSJohn Baldwinoptions SHMALL=1025 2672446af86dSJohn Baldwin 2673446af86dSJohn Baldwin# Maximum size, in bytes, of a single System V shared memory region. 267425388b6cSBruce Evansoptions SHMMAX=(SHMMAXPGS*PAGE_SIZE+1) 2675446af86dSJohn Baldwinoptions SHMMAXPGS=1025 2676446af86dSJohn Baldwin 2677446af86dSJohn Baldwin# Minimum size, in bytes, of a single System V shared memory region. 2678446af86dSJohn Baldwinoptions SHMMIN=2 2679446af86dSJohn Baldwin 2680446af86dSJohn Baldwin# Maximum number of shared memory regions that can be used on the system 2681446af86dSJohn Baldwin# at one time. 2682446af86dSJohn Baldwinoptions SHMMNI=33 2683446af86dSJohn Baldwin 2684446af86dSJohn Baldwin# Maximum number of System V shared memory regions that can be attached to 2685446af86dSJohn Baldwin# a single process at one time. 2686446af86dSJohn Baldwinoptions SHMSEG=9 2687446af86dSJohn Baldwin 2688d9282887SDima Dorfman# Set the amount of time (in seconds) the system will wait before 2689d9282887SDima Dorfman# rebooting automatically when a kernel panic occurs. If set to (-1), 2690d9282887SDima Dorfman# the system will wait indefinitely until a key is pressed on the 2691d9282887SDima Dorfman# console. 2692d9282887SDima Dorfmanoptions PANIC_REBOOT_WAIT_TIME=16 2693d9282887SDima Dorfman 26945bbb8060STor Egge# Attempt to bypass the buffer cache and put data directly into the 26955bbb8060STor Egge# userland buffer for read operation when O_DIRECT flag is set on the 26965bbb8060STor Egge# file. Both offset and length of the read operation must be 26975bbb8060STor Egge# multiples of the physical media sector size. 26985bbb8060STor Egge# 2699995356dcSDag-Erling Smørgravoptions DIRECTIO 27005bbb8060STor Egge 27015bbb8060STor Egge# Specify a lower limit for the number of swap I/O buffers. They are 27025bbb8060STor Egge# (among other things) used when bypassing the buffer cache due to 27035bbb8060STor Egge# DIRECTIO kernel option enabled and O_DIRECT flag set on file. 27045bbb8060STor Egge# 2705995356dcSDag-Erling Smørgravoptions NSWBUF_MIN=120 27065bbb8060STor Egge 2707446af86dSJohn Baldwin##################################################################### 2708446af86dSJohn Baldwin 2709bc0e3a03SJeroen Ruigrok van der Werven# More undocumented options for linting. 27109c0ef6d5SOliver Fromme# Note that documenting these is not considered an affront. 2711bc0e3a03SJeroen Ruigrok van der Werven 2712bc0e3a03SJeroen Ruigrok van der Wervenoptions CAM_DEBUG_DELAY 271328d7984fSJeroen Ruigrok van der Werven 2714bc0e3a03SJeroen Ruigrok van der Wervenoptions DEBUG 27158b6f5e65SJeroen Ruigrok van der Werven 271628d7984fSJeroen Ruigrok van der Werven# Kernel filelock debugging. 2717bc0e3a03SJeroen Ruigrok van der Wervenoptions LOCKF_DEBUG 271828d7984fSJeroen Ruigrok van der Werven 27198b6f5e65SJeroen Ruigrok van der Werven# System V compatible message queues 27208b6f5e65SJeroen Ruigrok van der Werven# Please note that the values provided here are used to test kernel 27218b6f5e65SJeroen Ruigrok van der Werven# building. The defaults in the sources provide almost the same numbers. 27228b6f5e65SJeroen Ruigrok van der Werven# MSGSSZ must be a power of 2 between 8 and 1024. 27238b6f5e65SJeroen Ruigrok van der Wervenoptions MSGMNB=2049 # Max number of chars in queue 27248b6f5e65SJeroen Ruigrok van der Wervenoptions MSGMNI=41 # Max number of message queue identifiers 27258b6f5e65SJeroen Ruigrok van der Wervenoptions MSGSEG=2049 # Max number of message segments 27268b6f5e65SJeroen Ruigrok van der Wervenoptions MSGSSZ=16 # Size of a message segment 27278b6f5e65SJeroen Ruigrok van der Wervenoptions MSGTQL=41 # Max number of messages in system 27288b6f5e65SJeroen Ruigrok van der Werven 27298b6f5e65SJeroen Ruigrok van der Wervenoptions NBUF=512 # Number of buffer headers 27308b6f5e65SJeroen Ruigrok van der Werven 27318b6f5e65SJeroen Ruigrok van der Wervenoptions SC_DEBUG_LEVEL=5 # Syscons debug level 27328b6f5e65SJeroen Ruigrok van der Wervenoptions SC_RENDER_DEBUG # syscons rendering debugging 27338b6f5e65SJeroen Ruigrok van der Werven 27348b6f5e65SJeroen Ruigrok van der Wervenoptions VFS_BIO_DEBUG # VFS buffer I/O debugging 27358b6f5e65SJeroen Ruigrok van der Werven 2736316ec49aSScott Longoptions KSTACK_MAX_PAGES=32 # Maximum pages to give the kernel stack 2737b7627840SKonstantin Belousovoptions KSTACK_USAGE_PROF 2738316ec49aSScott Long 2739662d3818SScott Long# Adaptec Array Controller driver options 2740662d3818SScott Longoptions AAC_DEBUG # Debugging levels: 2741662d3818SScott Long # 0 - quiet, only emit warnings 2742662d3818SScott Long # 1 - noisy, emit major function 2743662d3818SScott Long # points and things done 2744662d3818SScott Long # 2 - extremely noisy, emit trace 2745662d3818SScott Long # items in loops, etc. 2746662d3818SScott Long 2747097055e2SEdward Tomasz Napierala# Resource Accounting 2748097055e2SEdward Tomasz Napieralaoptions RACCT 2749097055e2SEdward Tomasz Napierala 2750ec125fbbSEdward Tomasz Napierala# Resource Limits 2751ec125fbbSEdward Tomasz Napieralaoptions RCTL 2752ec125fbbSEdward Tomasz Napierala 27531e9ea774SBruce Evans# Yet more undocumented options for linting. 27541e9ea774SBruce Evansoptions MAXFILES=999 2755efba048eSXin LI 2756997b0a64SDag-Erling Smørgrav# Random number generator 2757a3c41f8bSConrad Meyer# Alternative algorithm. 2758a3c41f8bSConrad Meyer#options RANDOM_FENESTRASX 275919fa89e9SMark Murray# Allow the CSPRNG algorithm to be loaded as a module. 276019fa89e9SMark Murray#options RANDOM_LOADABLE 2761e866d8f0SMark Murray# Select this to allow high-rate but potentially expensive 2762e866d8f0SMark Murray# harvesting of Slab-Allocator entropy. In very high-rate 2763e866d8f0SMark Murray# situations the value of doing this is dubious at best. 2764e866d8f0SMark Murrayoptions RANDOM_ENABLE_UMA # slab allocator 276581e3caafSJustin Hibbits 2766a6bc59f2SMatt Macy# Select this to allow high-rate but potentially expensive 2767a6bc59f2SMatt Macy# harvesting of of the m_next pointer in the mbuf. Note that 2768a6bc59f2SMatt Macy# the m_next pointer is NULL except when receiving > 4K 2769a6bc59f2SMatt Macy# jumbo frames or sustained bursts by way of LRO. Thus in 2770a6bc59f2SMatt Macy# the common case it is stirring zero in to the entropy 2771a6bc59f2SMatt Macy# pool. In cases where it is not NULL it is pointing to one 2772a6bc59f2SMatt Macy# of a small (in the thousands to 10s of thousands) number 2773a6bc59f2SMatt Macy# of 256 byte aligned mbufs. Hence it is, even in the best 2774a6bc59f2SMatt Macy# case, a poor source of entropy. And in the absence of actual 2775a6bc59f2SMatt Macy# runtime analysis of entropy collection may mislead the user in 2776a6bc59f2SMatt Macy# to believe that substantially more entropy is being collected 2777a6bc59f2SMatt Macy# than in fact is - leading to a different class of security 2778a6bc59f2SMatt Macy# risk. In high packet rate situations ethernet entropy 2779a6bc59f2SMatt Macy# collection is also very expensive, possibly leading to as 2780a6bc59f2SMatt Macy# much as a 50% drop in packets received. 2781a6bc59f2SMatt Macy# This option is present to maintain backwards compatibility 2782a6bc59f2SMatt Macy# if desired, however it cannot be recommended for use in any 2783a6bc59f2SMatt Macy# environment. 2784a6bc59f2SMatt Macyoptions RANDOM_ENABLE_ETHER # ether_input 2785a6bc59f2SMatt Macy 278681e3caafSJustin Hibbits# Module to enable execution of application via emulators like QEMU 278781e3caafSJustin Hibbitsoptions IMAGACT_BINMISC 2788aa14e9b7SMark Johnston 2789aa14e9b7SMark Johnston# zlib I/O stream support 2790aa14e9b7SMark Johnston# This enables support for compressed core dumps. 2791aa14e9b7SMark Johnstonoptions GZIO 2792fb403678SAdrian Chadd 2793eefd8f96SConrad Meyer# zstd support 2794fb702b44SMatt Macy# This enables support for Zstd compressed core dumps, GEOM_UZIP images, 2795fb702b44SMatt Macy# and is required by zfs if statically linked. 27966026dcd7SMark Johnstonoptions ZSTDIO 27976026dcd7SMark Johnston 2798fb403678SAdrian Chadd# BHND(4) drivers 2799fb403678SAdrian Chaddoptions BHND_LOGLEVEL # Logging threshold level 28002b3f6d66SOleksandr Tymoshenko 28012b3f6d66SOleksandr Tymoshenko# evdev interface 2802a6b15a34SOleksandr Tymoshenkodevice evdev # input event device support 2803a6b15a34SOleksandr Tymoshenkooptions EVDEV_SUPPORT # evdev support in legacy drivers 2804a6b15a34SOleksandr Tymoshenkooptions EVDEV_DEBUG # enable event debug msgs 2805a6b15a34SOleksandr Tymoshenkodevice uinput # install /dev/uinput cdev 2806a6b15a34SOleksandr Tymoshenkooptions UINPUT_DEBUG # enable uinput debug msgs 2807480f31c2SKonrad Witaszczyk 2808480f31c2SKonrad Witaszczyk# Encrypted kernel crash dumps. 2809480f31c2SKonrad Witaszczykoptions EKCD 28101fcf4de0SIan Lepore 28112d7e9271SIan Lepore# Serial Peripheral Interface (SPI) support. 28122d7e9271SIan Leporedevice spibus # Bus support. 28132d7e9271SIan Leporedevice at45d # DataFlash driver 28142d7e9271SIan Leporedevice cqspi # 28152d7e9271SIan Leporedevice mx25l # SPIFlash driver 28162d7e9271SIan Leporedevice n25q # 28172d7e9271SIan Leporedevice spigen # Generic access to SPI devices from userland. 28181fcf4de0SIan Lepore# Enable legacy /dev/spigenN name aliases for /dev/spigenX.Y devices. 28191fcf4de0SIan Leporeoptions SPIGEN_LEGACY_CDEVNAME # legacy device names for spigen 2820e8643b01SKonstantin Belousov 28210ed1d6fbSXin LI# Compression supports. 28220ed1d6fbSXin LIdevice zlib # gzip/zlib compression/decompression library 2823e8643b01SKonstantin Belousovdevice xz # xz_embedded LZMA de-compression library 28242ae3f52cSEdward Tomasz Napierala 28252ae3f52cSEdward Tomasz Napierala# Kernel support for stats(3). 28262ae3f52cSEdward Tomasz Napieralaoptions STATS 2827