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# 9b147fcf9SBruce Evans# Lines that begin with 'hint.' are NOT for config(8), they go into your 10f71c01ccSPeter Wemm# hints file. 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 148069accaaSPoul-Henning Kampoptions GEOM_BDE # Disk encryption. 14920995eabSWarner Loshoptions GEOM_BSD # BSD disklabels (obsolete, gone in 12) 1505d9f25dcSRuslan Ermilovoptions GEOM_CACHE # Disk cache. 1517226443dSPawel Jakub Dawidekoptions GEOM_CONCAT # Disk concatenation. 1525ca1fcfeSPawel Jakub Dawidekoptions GEOM_ELI # Disk encryption. 15320995eabSWarner Loshoptions GEOM_FOX # Redundant path mitigation (obsolete, gone in 12) 1547226443dSPawel Jakub Dawidekoptions GEOM_GATE # Userland services. 155f348204cSPawel Jakub Dawidekoptions GEOM_JOURNAL # Journaling. 156e1237b28SPawel Jakub Dawidekoptions GEOM_LABEL # Providers labelization. 1571669d8afSAndrew Thompsonoptions GEOM_LINUX_LVM # Linux LVM2 volumes 158fcdb1ffcSAndrey V. Elsukovoptions GEOM_MAP # Map based partitioning 15920995eabSWarner Loshoptions GEOM_MBR # DOS/MBR partitioning (obsolete, gone in 12) 1608a8fbacaSPawel Jakub Dawidekoptions GEOM_MIRROR # Disk mirroring. 161e770bc6bSMatt Jacoboptions GEOM_MULTIPATH # Disk multipath 1627dc92b13SPawel Jakub Dawidekoptions GEOM_NOP # Test class. 1631d3aed33SMarcel Moolenaaroptions GEOM_PART_APM # Apple partitioning 1645aaa8fefSMarcel Moolenaaroptions GEOM_PART_BSD # BSD disklabel 165d68d0cf5SAndrey V. Elsukovoptions GEOM_PART_BSD64 # BSD disklabel64 16691e1be8bSMarcel Moolenaaroptions GEOM_PART_EBR # Extended Boot Records 1676ad9a99fSMarcel Moolenaaroptions GEOM_PART_EBR_COMPAT # Backward compatible partition names 1681d3aed33SMarcel Moolenaaroptions GEOM_PART_GPT # GPT partitioning 169e800e2e1SAndrey V. Elsukovoptions GEOM_PART_LDM # Logical Disk Manager 1706bc50445SMarcel Moolenaaroptions GEOM_PART_MBR # MBR partitioning 17110020e9dSMarcel Moolenaaroptions GEOM_PART_VTOC8 # SMI VTOC8 disk label 17289b17223SAlexander Motinoptions GEOM_RAID # Soft RAID functionality. 173e81856c3SPawel Jakub Dawidekoptions GEOM_RAID3 # RAID3 functionality. 174560cb857SPawel Jakub Dawidekoptions GEOM_SHSEC # Shared secret. 1757dc92b13SPawel Jakub Dawidekoptions GEOM_STRIPE # Disk striping. 17620995eabSWarner Loshoptions GEOM_SUNLABEL # Sun/Solaris partitioning (obsolete, gone in 12) 17775261008SMax Khonoptions GEOM_UZIP # Read-only compressed disks 17802e17f0bSMarius Strobloptions GEOM_VINUM # Vinum logical volume manager 179f854db0bSPawel Jakub Dawidekoptions GEOM_VIRSTOR # Virtual storage. 18020995eabSWarner Loshoptions GEOM_VOL # Volume names from UFS superblock (obsolete, gone in 12) 1811c9c6382SRuslan Ermilovoptions GEOM_ZERO # Performance testing helper. 1827b03a440SPoul-Henning Kamp 1838b140d57SMike Smith# 1848b140d57SMike Smith# The root device and filesystem type can be compiled in; 1858b140d57SMike Smith# this provides a fallback option if the root device cannot 1863b6c640cSCrist J. Clark# be correctly guessed by the bootstrap code, or an override if 1878b140d57SMike Smith# the RB_DFLTROOT flag (-r) is specified when booting the kernel. 1888b140d57SMike Smith# 1898b140d57SMike Smithoptions ROOTDEVNAME=\"ufs:da0s2e\" 1908b140d57SMike Smith 1916a8d6623SGarrett Wollman 1926a8d6623SGarrett Wollman##################################################################### 193f5d05ac3SJeff Roberson# Scheduler options: 194f5d05ac3SJeff Roberson# 195a61617edSGiorgos Keramidas# Specifying one of SCHED_4BSD or SCHED_ULE is mandatory. These options 196f5d05ac3SJeff Roberson# select which scheduler is compiled in. 197f5d05ac3SJeff Roberson# 198f5d05ac3SJeff Roberson# SCHED_4BSD is the historical, proven, BSD scheduler. It has a global run 1991c9c6382SRuslan Ermilov# queue and no CPU affinity which makes it suboptimal for SMP. It has very 200f5d05ac3SJeff Roberson# good interactivity and priority selection. 201f5d05ac3SJeff Roberson# 202bd675f58SJeff Roberson# SCHED_ULE provides significant performance advantages over 4BSD on many 203bd675f58SJeff Roberson# workloads on SMP machines. It supports cpu-affinity, per-cpu runqueues 204bd675f58SJeff Roberson# and scheduler locks. It also has a stronger notion of interactivity 205bd675f58SJeff Roberson# which leads to better responsiveness even on uniprocessor machines. This 2069c0ef6d5SOliver Fromme# is the default scheduler. 207f5d05ac3SJeff Roberson# 20875a66a92SJeff Roberson# SCHED_STATS is a debugging option which keeps some stats in the sysctl 20975a66a92SJeff Roberson# tree at 'kern.sched.stats' and is useful for debugging scheduling decisions. 21075a66a92SJeff Roberson# 211b998bd92SJeff Robersonoptions SCHED_4BSD 21275a66a92SJeff Robersonoptions SCHED_STATS 213b998bd92SJeff Roberson#options SCHED_ULE 214f5d05ac3SJeff Roberson 215f5d05ac3SJeff Roberson##################################################################### 216477a642cSPeter Wemm# SMP OPTIONS: 217477a642cSPeter Wemm# 218477a642cSPeter Wemm# SMP enables building of a Symmetric MultiProcessor Kernel. 219477a642cSPeter Wemm 220477a642cSPeter Wemm# Mandatory: 221477a642cSPeter Wemmoptions SMP # Symmetric MultiProcessor Kernel 222477a642cSPeter Wemm 223fdce57a0SJohn Baldwin# EARLY_AP_STARTUP releases the Application Processors earlier in the 224fdce57a0SJohn Baldwin# kernel startup process (before devices are probed) rather than at the 225fdce57a0SJohn Baldwin# end. This is a temporary option for use during the transition from 226fdce57a0SJohn Baldwin# late to early AP startup. 227fdce57a0SJohn Baldwinoptions EARLY_AP_STARTUP 228fdce57a0SJohn Baldwin 22968b739cdSAttilio Rao# MAXCPU defines the maximum number of CPUs that can boot in the system. 23068b739cdSAttilio Rao# A default value should be already present, for every architecture. 23168b739cdSAttilio Raooptions MAXCPU=32 23268b739cdSAttilio Rao 233b6715dabSJeff Roberson# NUMA enables use of Non-Uniform Memory Access policies in various kernel 234b6715dabSJeff Roberson# subsystems. 235b6715dabSJeff Robersonoptions NUMA 236b6715dabSJeff Roberson 237941646f5SAttilio Rao# MAXMEMDOM defines the maximum number of memory domains that can boot in the 238941646f5SAttilio Rao# system. A default value should already be defined by every architecture. 23962d70a81SJohn Baldwinoptions MAXMEMDOM=2 24062d70a81SJohn Baldwin 2412498cf8cSJohn Baldwin# ADAPTIVE_MUTEXES changes the behavior of blocking mutexes to spin 2422498cf8cSJohn Baldwin# if the thread that currently owns the mutex is executing on another 243d51e8487SJosh Paetzel# CPU. This behavior is enabled by default, so this option can be used 244701f1408SScott Long# to disable it. 245701f1408SScott Longoptions NO_ADAPTIVE_MUTEXES 2462498cf8cSJohn Baldwin 247cd6e6e4eSJohn Baldwin# ADAPTIVE_RWLOCKS changes the behavior of reader/writer locks to spin 248cd6e6e4eSJohn Baldwin# if the thread that currently owns the rwlock is executing on another 249d51e8487SJosh Paetzel# CPU. This behavior is enabled by default, so this option can be used 250cd6e6e4eSJohn Baldwin# to disable it. 251cd6e6e4eSJohn Baldwinoptions NO_ADAPTIVE_RWLOCKS 252cd6e6e4eSJohn Baldwin 2531ae1c2a3SAttilio Rao# ADAPTIVE_SX changes the behavior of sx locks to spin if the thread that 2541ae1c2a3SAttilio Rao# currently owns the sx lock is executing on another CPU. 255d51e8487SJosh Paetzel# This behavior is enabled by default, so this option can be used to 2561ae1c2a3SAttilio Rao# disable it. 2571ae1c2a3SAttilio Raooptions NO_ADAPTIVE_SX 2584e7f640dSJohn Baldwin 259ad27c4c7SJohn Baldwin# MUTEX_NOINLINE forces mutex operations to call functions to perform each 260ad27c4c7SJohn Baldwin# operation rather than inlining the simple cases. This can be used to 261ad27c4c7SJohn Baldwin# shrink the size of the kernel text segment. Note that this behavior is 262cf31ff26SRuslan Ermilov# already implied by the INVARIANT_SUPPORT, INVARIANTS, KTR, LOCK_PROFILING, 263ad27c4c7SJohn Baldwin# and WITNESS options. 264ad27c4c7SJohn Baldwinoptions MUTEX_NOINLINE 265ad27c4c7SJohn Baldwin 2661a5d9b15SJohn Baldwin# RWLOCK_NOINLINE forces rwlock operations to call functions to perform each 2671a5d9b15SJohn Baldwin# operation rather than inlining the simple cases. This can be used to 2681a5d9b15SJohn Baldwin# shrink the size of the kernel text segment. Note that this behavior is 269cf31ff26SRuslan Ermilov# already implied by the INVARIANT_SUPPORT, INVARIANTS, KTR, LOCK_PROFILING, 2701a5d9b15SJohn Baldwin# and WITNESS options. 2711a5d9b15SJohn Baldwinoptions RWLOCK_NOINLINE 2721a5d9b15SJohn Baldwin 2734e7f640dSJohn Baldwin# SX_NOINLINE forces sx lock operations to call functions to perform each 2744e7f640dSJohn Baldwin# operation rather than inlining the simple cases. This can be used to 2754e7f640dSJohn Baldwin# shrink the size of the kernel text segment. Note that this behavior is 2764e7f640dSJohn Baldwin# already implied by the INVARIANT_SUPPORT, INVARIANTS, KTR, LOCK_PROFILING, 2774e7f640dSJohn Baldwin# and WITNESS options. 2784e7f640dSJohn Baldwinoptions SX_NOINLINE 2794e7f640dSJohn Baldwin 2801fe4c660SJohn Baldwin# SMP Debugging Options: 2811fe4c660SJohn Baldwin# 2825b999a6bSDavide Italiano# CALLOUT_PROFILING enables rudimentary profiling of the callwheel data 2835b999a6bSDavide Italiano# structure used as backend in callout(9). 2845e21b51bSDavid E. O'Brien# PREEMPTION allows the threads that are in the kernel to be preempted by 2855e21b51bSDavid E. O'Brien# higher priority [interrupt] threads. It helps with interactivity 2865e21b51bSDavid E. O'Brien# and allows interrupt threads to run sooner rather than waiting. 28767ab9fd7SJohn Baldwin# WARNING! Only tested on amd64 and i386. 2880c0b25aeSJohn Baldwin# FULL_PREEMPTION instructs the kernel to preempt non-realtime kernel 2898c5923d9SCeri Davies# threads. Its sole use is to expose race conditions and other 2900c0b25aeSJohn Baldwin# bugs during development. Enabling this option will reduce 2910c0b25aeSJohn Baldwin# performance and increase the frequency of kernel panics by 2920c0b25aeSJohn Baldwin# design. If you aren't sure that you need it then you don't. 2939923b511SScott Long# Relies on the PREEMPTION option. DON'T TURN THIS ON. 294ef0ebfc3SJohn Baldwin# SLEEPQUEUE_PROFILING enables rudimentary profiling of the hash table 29575a66a92SJeff Roberson# used to hold active sleep queues as well as sleep wait message 29675a66a92SJeff Roberson# frequency. 297ef0ebfc3SJohn Baldwin# TURNSTILE_PROFILING enables rudimentary profiling of the hash table 298ef0ebfc3SJohn Baldwin# used to hold active lock queues. 299c6111de5SDavide Italiano# UMTX_PROFILING enables rudimentary profiling of the hash table used 30027c8e6b8SGlen Barber# to hold active lock queues. 301aa4019efSRobert Watson# WITNESS enables the witness code which detects deadlocks and cycles 3021fe4c660SJohn Baldwin# during locking operations. 303e2ee2173SMarcel Moolenaar# WITNESS_KDB causes the witness code to drop into the kernel debugger if 3043c7c6c12SMike Pritchard# a lock hierarchy violation occurs or if locks are held when going to 305660d1e3aSJohn Baldwin# sleep. 306660d1e3aSJohn Baldwin# WITNESS_SKIPSPIN disables the witness checks on spin mutexes. 3079923b511SScott Longoptions PREEMPTION 3080c0b25aeSJohn Baldwinoptions FULL_PREEMPTION 3091fe4c660SJohn Baldwinoptions WITNESS 310e2ee2173SMarcel Moolenaaroptions WITNESS_KDB 311660d1e3aSJohn Baldwinoptions WITNESS_SKIPSPIN 3121fe4c660SJohn Baldwin 313cf31ff26SRuslan Ermilov# LOCK_PROFILING - Profiling locks. See LOCK_PROFILING(9) for details. 31407dba937SKip Macyoptions LOCK_PROFILING 31500096801SJohn-Mark Gurney# Set the number of buffers and the hash size. The hash size MUST be larger 31600096801SJohn-Mark Gurney# than the number of buffers. Hash size should be prime. 31700096801SJohn-Mark Gurneyoptions MPROF_BUFFERS="1536" 31800096801SJohn-Mark Gurneyoptions MPROF_HASH_SIZE="1543" 3194db0d7f1SDag-Erling Smørgrav 3205b999a6bSDavide Italiano# Profiling for the callout(9) backend. 3215b999a6bSDavide Italianooptions CALLOUT_PROFILING 3225b999a6bSDavide Italiano 323ef0ebfc3SJohn Baldwin# Profiling for internal hash tables. 324ef0ebfc3SJohn Baldwinoptions SLEEPQUEUE_PROFILING 325ef0ebfc3SJohn Baldwinoptions TURNSTILE_PROFILING 326c6111de5SDavide Italianooptions UMTX_PROFILING 327331805a5SDavide Italiano 328ef0ebfc3SJohn Baldwin 329477a642cSPeter Wemm##################################################################### 3306a8d6623SGarrett Wollman# COMPATIBILITY OPTIONS 331690f540cSAndrey A. Chernov 3326a8d6623SGarrett Wollman# 3336a8d6623SGarrett Wollman# Implement system calls compatible with 4.3BSD and older versions of 33456c7a48cSJordan K. Hubbard# FreeBSD. You probably do NOT want to remove this as much current code 3357bbf05a2SJuli Mallett# still relies on the 4.3 emulation. Note that some architectures that 3367bbf05a2SJuli Mallett# are supported by FreeBSD do not include support for certain important 3377bbf05a2SJuli Mallett# aspects of this compatibility option, namely those related to the 3387bbf05a2SJuli Mallett# signal delivery mechanism. 3396a8d6623SGarrett Wollman# 3405895e3c8SPeter Wemmoptions COMPAT_43 3416a8d6623SGarrett Wollman 342d3e64681SPoul-Henning Kamp# Old tty interface. 343d3e64681SPoul-Henning Kampoptions COMPAT_43TTY 344d3e64681SPoul-Henning Kamp 345f5e4c105SJohn Baldwin# Note that as a general rule, COMPAT_FREEBSD<n> depends on 346f5e4c105SJohn Baldwin# COMPAT_FREEBSD<n+1>, COMPAT_FREEBSD<n+2>, etc. 347f5e4c105SJohn Baldwin 348f0eb293eSAlfred Perlstein# Enable FreeBSD4 compatibility syscalls 349f0eb293eSAlfred Perlsteinoptions COMPAT_FREEBSD4 350f0eb293eSAlfred Perlstein 351a01b4125SKen Smith# Enable FreeBSD5 compatibility syscalls 352a01b4125SKen Smithoptions COMPAT_FREEBSD5 353a01b4125SKen Smith 3546c9fdda7SRuslan Ermilov# Enable FreeBSD6 compatibility syscalls 3556c9fdda7SRuslan Ermilovoptions COMPAT_FREEBSD6 3566c9fdda7SRuslan Ermilov 3575965c4b7SJohn Baldwin# Enable FreeBSD7 compatibility syscalls 3585965c4b7SJohn Baldwinoptions COMPAT_FREEBSD7 3595965c4b7SJohn Baldwin 3607d313e7bSJohn Baldwin# Enable FreeBSD9 compatibility syscalls 3617d313e7bSJohn Baldwinoptions COMPAT_FREEBSD9 3627d313e7bSJohn Baldwin 3637d313e7bSJohn Baldwin# Enable FreeBSD10 compatibility syscalls 3647d313e7bSJohn Baldwinoptions COMPAT_FREEBSD10 3657d313e7bSJohn Baldwin 3667f68a896SMark Johnston# Enable FreeBSD11 compatibility syscalls 3677f68a896SMark Johnstonoptions COMPAT_FREEBSD11 3687f68a896SMark Johnston 3698d59ecb2SHans Petter Selasky# Enable Linux Kernel Programming Interface 3708d59ecb2SHans Petter Selaskyoptions COMPAT_LINUXKPI 3718d59ecb2SHans Petter Selasky 3726a8d6623SGarrett Wollman# 3736a8d6623SGarrett Wollman# These three options provide support for System V Interface 3746a8d6623SGarrett Wollman# Definition-style interprocess communication, in the form of shared 3756a8d6623SGarrett Wollman# memory, semaphores, and message queues, respectively. 3766a8d6623SGarrett Wollman# 3776a8d6623SGarrett Wollmanoptions SYSVSHM 3786a8d6623SGarrett Wollmanoptions SYSVSEM 3796a8d6623SGarrett Wollmanoptions SYSVMSG 3806a8d6623SGarrett Wollman 3816a8d6623SGarrett Wollman 3826a8d6623SGarrett Wollman##################################################################### 3836a8d6623SGarrett Wollman# DEBUGGING OPTIONS 3846a8d6623SGarrett Wollman 3856a8d6623SGarrett Wollman# 386e2ee2173SMarcel Moolenaar# Compile with kernel debugger related code. 3876a8d6623SGarrett Wollman# 388e2ee2173SMarcel Moolenaaroptions KDB 389b5d89ca8SBruce Evans 390b5d89ca8SBruce Evans# 391e2ee2173SMarcel Moolenaar# Print a stack trace of the current thread on the console for a panic. 3927085e708SBruce Evans# 393e2ee2173SMarcel Moolenaaroptions KDB_TRACE 394e2ee2173SMarcel Moolenaar 395e2ee2173SMarcel Moolenaar# 396e2ee2173SMarcel Moolenaar# Don't enter the debugger for a panic. Intended for unattended operation 397e2ee2173SMarcel Moolenaar# where you may want to enter the debugger from the console, but still want 398e2ee2173SMarcel Moolenaar# the machine to recover from a panic. 399e2ee2173SMarcel Moolenaar# 400e2ee2173SMarcel Moolenaaroptions KDB_UNATTENDED 401e2ee2173SMarcel Moolenaar 402e2ee2173SMarcel Moolenaar# 403e2ee2173SMarcel Moolenaar# Enable the ddb debugger backend. 404e2ee2173SMarcel Moolenaar# 405e2ee2173SMarcel Moolenaaroptions DDB 4067085e708SBruce Evans 4077085e708SBruce Evans# 408bfdd261eSBruce Evans# Print the numerical value of symbols in addition to the symbolic 409bfdd261eSBruce Evans# representation. 410bfdd261eSBruce Evans# 411bfdd261eSBruce Evansoptions DDB_NUMSYM 412bfdd261eSBruce Evans 413bfdd261eSBruce Evans# 414e2ee2173SMarcel Moolenaar# Enable the remote gdb debugger backend. 4150be15decSJohn Baldwin# 416e2ee2173SMarcel Moolenaaroptions GDB 417562d05dfSPaul Traina 418562d05dfSPaul Traina# 419df970488SRobert Watson# SYSCTL_DEBUG enables a 'sysctl' debug tree that can be used to dump the 420df970488SRobert Watson# contents of the registered sysctl nodes on the console. It is disabled by 4211c9c6382SRuslan Ermilov# default because it generates excessively verbose console output that can 422df970488SRobert Watson# interfere with serial console operation. 423df970488SRobert Watson# 424df970488SRobert Watsonoptions SYSCTL_DEBUG 425df970488SRobert Watson 426df970488SRobert Watson# 42721d748a9SAlfred Perlstein# Enable textdump by default, this disables kernel core dumps. 42821d748a9SAlfred Perlstein# 42921d748a9SAlfred Perlsteinoptions TEXTDUMP_PREFERRED 43021d748a9SAlfred Perlstein 43121d748a9SAlfred Perlstein# 43221d748a9SAlfred Perlstein# Enable extra debug messages while performing textdumps. 43321d748a9SAlfred Perlstein# 43421d748a9SAlfred Perlsteinoptions TEXTDUMP_VERBOSE 43521d748a9SAlfred Perlstein 43621d748a9SAlfred Perlstein# 43731615ef7SRebecca Cran# NO_SYSCTL_DESCR omits the sysctl node descriptions to save space in the 43831615ef7SRebecca Cran# resulting kernel. 43931615ef7SRebecca Cranoptions NO_SYSCTL_DESCR 44031615ef7SRebecca Cran 44131615ef7SRebecca Cran# 442d7854da1SMatthew D Fleming# MALLOC_DEBUG_MAXZONES enables multiple uma zones for malloc(9) 443d7854da1SMatthew D Fleming# allocations that are smaller than a page. The purpose is to isolate 444d7854da1SMatthew D Fleming# different malloc types into hash classes, so that any buffer 445d7854da1SMatthew D Fleming# overruns or use-after-free will usually only affect memory from 446d7854da1SMatthew D Fleming# malloc types in that hash class. This is purely a debugging tool; 447d7854da1SMatthew D Fleming# by varying the hash function and tracking which hash class was 448d7854da1SMatthew D Fleming# corrupted, the intersection of the hash classes from each instance 449d7854da1SMatthew D Fleming# will point to a single malloc type that is being misused. At this 450d7854da1SMatthew D Fleming# point inspection or memguard(9) can be used to catch the offending 451d7854da1SMatthew D Fleming# code. 452d7854da1SMatthew D Fleming# 453d7854da1SMatthew D Flemingoptions MALLOC_DEBUG_MAXZONES=8 454d7854da1SMatthew D Fleming 455d7854da1SMatthew D Fleming# 456e4eb384bSBosko Milekic# DEBUG_MEMGUARD builds and enables memguard(9), a replacement allocator 457e4eb384bSBosko Milekic# for the kernel used to detect modify-after-free scenarios. See the 458e4eb384bSBosko Milekic# memguard(9) man page for more information on usage. 459e4eb384bSBosko Milekic# 460e4eb384bSBosko Milekicoptions DEBUG_MEMGUARD 461e4eb384bSBosko Milekic 462e4eb384bSBosko Milekic# 463847a2a17SPawel Jakub Dawidek# DEBUG_REDZONE enables buffer underflows and buffer overflows detection for 464847a2a17SPawel Jakub Dawidek# malloc(9). 465847a2a17SPawel Jakub Dawidek# 466847a2a17SPawel Jakub Dawidekoptions DEBUG_REDZONE 467847a2a17SPawel Jakub Dawidek 468847a2a17SPawel Jakub Dawidek# 469e79f350dSWarner Losh# EARLY_PRINTF enables support for calling a special printf (eprintf) 470e79f350dSWarner Losh# very early in the kernel (before cn_init() has been called). This 471e79f350dSWarner Losh# should only be used for debugging purposes early in boot. Normally, 472e79f350dSWarner Losh# it is not defined. It is commented out here because this feature 473e79f350dSWarner Losh# isn't generally available. And the required eputc() isn't defined. 474e79f350dSWarner Losh# 475e79f350dSWarner Losh#options EARLY_PRINTF 476e79f350dSWarner Losh 477e79f350dSWarner Losh# 478ea3fc8e4SJohn Baldwin# KTRACE enables the system-call tracing facility ktrace(2). To be more 479ea3fc8e4SJohn Baldwin# SMP-friendly, KTRACE uses a worker thread to process most trace events 480ea3fc8e4SJohn Baldwin# asynchronously to the thread generating the event. This requires a 481ea3fc8e4SJohn Baldwin# pre-allocated store of objects representing trace events. The 482ea3fc8e4SJohn Baldwin# KTRACE_REQUEST_POOL option specifies the initial size of this store. 483ea3fc8e4SJohn Baldwin# The size of the pool can be adjusted both at boottime and runtime via 484ea3fc8e4SJohn Baldwin# the kern.ktrace_request_pool tunable and sysctl. 4856a8d6623SGarrett Wollman# 4862365e64fSRodney W. Grimesoptions KTRACE #kernel tracing 487ea3fc8e4SJohn Baldwinoptions KTRACE_REQUEST_POOL=101 48821c64a07SAndrey A. Chernov 4896a8d6623SGarrett Wollman# 490f7e95633SRuslan Ermilov# KTR is a kernel tracing facility imported from BSD/OS. It is 491a7bebf90SKris Kennaway# enabled with the KTR option. KTR_ENTRIES defines the number of 4926e465ac7SDavide Italiano# entries in the circular trace buffer; it may be an arbitrary number. 49336b7dde4SAndriy Gapon# KTR_BOOT_ENTRIES defines the number of entries during the early boot, 49436b7dde4SAndriy Gapon# before malloc(9) is functional. 495a7bebf90SKris Kennaway# KTR_COMPILE defines the mask of events to compile into the kernel as 496a7bebf90SKris Kennaway# defined by the KTR_* constants in <sys/ktr.h>. KTR_MASK defines the 497a7bebf90SKris Kennaway# initial value of the ktr_mask variable which determines at runtime 498a7bebf90SKris Kennaway# what events to trace. KTR_CPUMASK determines which CPU's log 499e3709597SAttilio Rao# events, with bit X corresponding to CPU X. The layout of the string 500d51e8487SJosh Paetzel# passed as KTR_CPUMASK must match a series of bitmasks each of them 501d4a2ab8cSAttilio Rao# separated by the "," character (ie: 502d4a2ab8cSAttilio Rao# KTR_CPUMASK=0xAF,0xFFFFFFFFFFFFFFFF). KTR_VERBOSE enables 503a7bebf90SKris Kennaway# dumping of KTR events to the console by default. This functionality 504a7bebf90SKris Kennaway# can be toggled via the debug.ktr_verbose sysctl and defaults to off 505f7e95633SRuslan Ermilov# if KTR_VERBOSE is not defined. See ktr(4) and ktrdump(8) for details. 506c508c1b6SJohn Baldwin# 507c508c1b6SJohn Baldwinoptions KTR 50836b7dde4SAndriy Gaponoptions KTR_BOOT_ENTRIES=1024 50936b7dde4SAndriy Gaponoptions KTR_ENTRIES=(128*1024) 5106740ed37SGleb Smirnoffoptions KTR_COMPILE=(KTR_ALL) 511a9672a81SJohn Baldwinoptions KTR_MASK=KTR_INTR 512d4a2ab8cSAttilio Raooptions KTR_CPUMASK=0x3 513d902baa4SJohn Baldwinoptions KTR_VERBOSE 514c508c1b6SJohn Baldwin 515c508c1b6SJohn Baldwin# 5161c9c6382SRuslan Ermilov# ALQ(9) is a facility for the asynchronous queuing of records from the kernel 517f7e95633SRuslan Ermilov# to a vnode, and is employed by services such as ktr(4) to produce trace 518453ffeefSRobert Watson# files based on a kernel event stream. Records are written asynchronously 519453ffeefSRobert Watson# in a worker thread. 520453ffeefSRobert Watson# 521453ffeefSRobert Watsonoptions ALQ 522453ffeefSRobert Watsonoptions KTR_ALQ 523453ffeefSRobert Watson 524453ffeefSRobert Watson# 5255526d2d9SEivind Eklund# The INVARIANTS option is used in a number of source files to enable 5266a8d6623SGarrett Wollman# extra sanity checking of internal structures. This support is not 5276a8d6623SGarrett Wollman# enabled by default because of the extra time it would take to check 5286a8d6623SGarrett Wollman# for these conditions, which can only occur as a result of 5296a8d6623SGarrett Wollman# programming errors. 5306a8d6623SGarrett Wollman# 5315526d2d9SEivind Eklundoptions INVARIANTS 5325526d2d9SEivind Eklund 5335526d2d9SEivind Eklund# 53434b15f2aSJohn Baldwin# The INVARIANT_SUPPORT option makes us compile in support for 53534b15f2aSJohn Baldwin# verifying some of the internal structures. It is a prerequisite for 53634b15f2aSJohn Baldwin# 'INVARIANTS', as enabling 'INVARIANTS' will make these functions be 53734b15f2aSJohn Baldwin# called. The intent is that you can set 'INVARIANTS' for single 53834b15f2aSJohn Baldwin# source files (by changing the source file or specifying it on the 53934b15f2aSJohn Baldwin# command line) if you have 'INVARIANT_SUPPORT' enabled. Also, if you 54034b15f2aSJohn Baldwin# wish to build a kernel module with 'INVARIANTS', then adding 54134b15f2aSJohn Baldwin# 'INVARIANT_SUPPORT' to your kernel will provide all the necessary 54234b15f2aSJohn Baldwin# infrastructure without the added overhead. 54334b15f2aSJohn Baldwin# 54434b15f2aSJohn Baldwinoptions INVARIANT_SUPPORT 54534b15f2aSJohn Baldwin 54634b15f2aSJohn Baldwin# 5475526d2d9SEivind Eklund# The DIAGNOSTIC option is used to enable extra debugging information 5485526d2d9SEivind Eklund# from some parts of the kernel. As this makes everything more noisy, 5495526d2d9SEivind Eklund# it is disabled by default. 5505526d2d9SEivind Eklund# 5510dc7d907SPoul-Henning Kampoptions DIAGNOSTIC 552da59a31cSDavid Greenman 5530dd1eea1SJordan K. Hubbard# 5540b5438c6SRobert Watson# REGRESSION causes optional kernel interfaces necessary only for regression 5553c7c6c12SMike Pritchard# testing to be enabled. These interfaces may constitute security risks 5560b5438c6SRobert Watson# when enabled, as they permit processes to easily modify aspects of the 5570b5438c6SRobert Watson# run-time environment to reproduce unlikely or unusual (possibly normally 5580b5438c6SRobert Watson# impossible) scenarios. 5590b5438c6SRobert Watson# 5600b5438c6SRobert Watsonoptions REGRESSION 5610b5438c6SRobert Watson 5620b5438c6SRobert Watson# 5639c0ef6d5SOliver Fromme# This option lets some drivers co-exist that can't co-exist in a running 564346ebe51SEivind Eklund# system. This is used to be able to compile all kernel code in one go for 565346ebe51SEivind Eklund# quality assurance purposes (like this file, which the option takes it name 566346ebe51SEivind Eklund# from.) 567346ebe51SEivind Eklund# 568346ebe51SEivind Eklundoptions COMPILING_LINT 569346ebe51SEivind Eklund 5703c90d1eaSRobert Watson# 5713c90d1eaSRobert Watson# STACK enables the stack(9) facility, allowing the capture of kernel stack 5723c90d1eaSRobert Watson# for the purpose of procinfo(1), etc. stack(9) will also be compiled in 5733c90d1eaSRobert Watson# automatically if DDB(4) is compiled into the kernel. 5743c90d1eaSRobert Watson# 5753c90d1eaSRobert Watsonoptions STACK 5763c90d1eaSRobert Watson 577cc37baeaSStephen J. Kiernan# 578cc37baeaSStephen J. Kiernan# The NUM_CORE_FILES option specifies the limit for the number of core 579cc37baeaSStephen J. Kiernan# files generated by a particular process, when the core file format 580cc37baeaSStephen J. Kiernan# specifier includes the %I pattern. Since we only have 1 character for 581cc37baeaSStephen J. Kiernan# the core count in the format string, meaning the range will be 0-9, the 582cc37baeaSStephen J. Kiernan# maximum value allowed for this option is 10. 583cc37baeaSStephen J. Kiernan# This core file limit can be adjusted at runtime via the debug.ncores 584cc37baeaSStephen J. Kiernan# sysctl. 585cc37baeaSStephen J. Kiernan# 586cc37baeaSStephen J. Kiernanoptions NUM_CORE_FILES=5 587cc37baeaSStephen J. Kiernan 588ae3d6bfaSColin Percival# 589ae3d6bfaSColin Percival# The TSLOG option enables timestamped logging of events, especially 590ae3d6bfaSColin Percival# function entries/exits, in order to track the time spent by the kernel. 591ae3d6bfaSColin Percival# In particular, this is useful when investigating the early boot process, 592ae3d6bfaSColin Percival# before it is possible to use more sophisticated tools like DTrace. 593ae3d6bfaSColin Percival# The TSLOGSIZE option controls the size of the (preallocated, fixed 594ae3d6bfaSColin Percival# length) buffer used for storing these events (default: 262144 records). 595ae3d6bfaSColin Percival# 596ae3d6bfaSColin Percival# For security reasons the TSLOG option should not be enabled on systems 597ae3d6bfaSColin Percival# used in production. 598ae3d6bfaSColin Percival# 599ae3d6bfaSColin Percivaloptions TSLOG 600ae3d6bfaSColin Percivaloptions TSLOGSIZE=262144 601ae3d6bfaSColin Percival 6026a8d6623SGarrett Wollman 6036a8d6623SGarrett Wollman##################################################################### 604d47cce3eSMarcel Moolenaar# PERFORMANCE MONITORING OPTIONS 605d47cce3eSMarcel Moolenaar 606d47cce3eSMarcel Moolenaar# 607d47cce3eSMarcel Moolenaar# The hwpmc driver that allows the use of in-CPU performance monitoring 6089c0ef6d5SOliver Fromme# counters for performance monitoring. The base kernel needs to be configured 609d47cce3eSMarcel Moolenaar# with the 'options' line, while the hwpmc device can be either compiled 610d47cce3eSMarcel Moolenaar# in or loaded as a loadable kernel module. 611d47cce3eSMarcel Moolenaar# 612ad3869b4SJoseph Koshy# Additional configuration options may be required on specific architectures, 613ad3869b4SJoseph Koshy# please see hwpmc(4). 614ad3869b4SJoseph Koshy 615d47cce3eSMarcel Moolenaardevice hwpmc # Driver (also a loadable module) 616680f1afdSJohn Baldwinoptions HWPMC_DEBUG 617d47cce3eSMarcel Moolenaaroptions HWPMC_HOOKS # Other necessary kernel hooks 618d47cce3eSMarcel Moolenaar 619d47cce3eSMarcel Moolenaar 620d47cce3eSMarcel Moolenaar##################################################################### 6216a8d6623SGarrett Wollman# NETWORKING OPTIONS 62270c0b54cSAndrey A. Chernov 6236a8d6623SGarrett Wollman# 624a22fb0daSGeorge V. Neville-Neil# Protocol families 6256a8d6623SGarrett Wollman# 6266a8d6623SGarrett Wollmanoptions INET #Internet communications protocols 62751f4c152SYoshinobu Inoueoptions INET6 #IPv6 communications protocols 628a22fb0daSGeorge V. Neville-Neil 629f3e7afe2SHans Petter Selaskyoptions RATELIMIT # TX rate limiting support 630f3e7afe2SHans Petter Selasky 6314871fc4aSJulian Elischeroptions ROUTETABLES=2 # allocated fibs up to 65536. default is 1. 6324871fc4aSJulian Elischer # but that would be a bad idea as they are large. 6338b07e49aSJulian Elischer 63409fe6320SNavdeep Parharoptions TCP_OFFLOAD # TCP offload support. 63509fe6320SNavdeep Parhar 636a22fb0daSGeorge V. Neville-Neil# In order to enable IPSEC you MUST also add device crypto to 637a22fb0daSGeorge V. Neville-Neil# your kernel configuration 638a22fb0daSGeorge V. Neville-Neiloptions IPSEC #IP security (requires device crypto) 639fcf59617SAndrey V. Elsukov 640fcf59617SAndrey V. Elsukov# Option IPSEC_SUPPORT does not enable IPsec, but makes it possible to 641fcf59617SAndrey V. Elsukov# load it as a kernel module. You still MUST add device crypto to your kernel 642fcf59617SAndrey V. Elsukov# configuration. 643fcf59617SAndrey V. Elsukovoptions IPSEC_SUPPORT 6442cb64cb2SGeorge V. Neville-Neil#options IPSEC_DEBUG #debug for IP security 645f73bbaf2SDavid Greenman 646237abf0cSDavide Italiano# 647237abf0cSDavide Italiano# SMB/CIFS requester 648237abf0cSDavide Italiano# NETSMB enables support for SMB protocol, it requires LIBMCHAIN and LIBICONV 649237abf0cSDavide Italiano# options. 650237abf0cSDavide Italianooptions NETSMB #SMB/CIFS requester 651237abf0cSDavide Italiano 652d8589bd5SBoris Popov# mchain library. It can be either loaded as KLD or compiled into kernel 653d8589bd5SBoris Popovoptions LIBMCHAIN 654d8589bd5SBoris Popov 6556cd047a0SGleb Smirnoff# libalias library, performing NAT 6566cd047a0SGleb Smirnoffoptions LIBALIAS 6576cd047a0SGleb Smirnoff 658f8829a4aSRandall Stewart# 659f8829a4aSRandall Stewart# SCTP is a NEW transport protocol defined by 660f8829a4aSRandall Stewart# RFC2960 updated by RFC3309 and RFC3758.. and 661f8829a4aSRandall Stewart# soon to have a new base RFC and many many more 662f8829a4aSRandall Stewart# extensions. This release supports all the extensions 663f8829a4aSRandall Stewart# including many drafts (most about to become RFC's). 6649c0ef6d5SOliver Fromme# It is the reference implementation of SCTP 665f8829a4aSRandall Stewart# and is quite well tested. 666f8829a4aSRandall Stewart# 667f8829a4aSRandall Stewart# Note YOU MUST have both INET and INET6 defined. 6689c0ef6d5SOliver Fromme# You don't have to enable V6, but SCTP is 6699c0ef6d5SOliver Fromme# dual stacked and so far we have not torn apart 670f8829a4aSRandall Stewart# the V6 and V4.. since an association can span 671f8829a4aSRandall Stewart# both a V6 and V4 address at the SAME time :-) 672f8829a4aSRandall Stewart# 673f8829a4aSRandall Stewartoptions SCTP 674f8829a4aSRandall Stewart# There are bunches of options: 675f8829a4aSRandall Stewart# this one turns on all sorts of 676d51e8487SJosh Paetzel# nastily printing that you can 6779c0ef6d5SOliver Fromme# do. It's all controlled by a 678f8829a4aSRandall Stewart# bit mask (settable by socket opt and 679f8829a4aSRandall Stewart# by sysctl). Including will not cause 680f8829a4aSRandall Stewart# logging until you set the bits.. but it 681f8829a4aSRandall Stewart# can be quite verbose.. so without this 682f8829a4aSRandall Stewart# option we don't do any of the tests for 683f8829a4aSRandall Stewart# bits and prints.. which makes the code run 684f8829a4aSRandall Stewart# faster.. if you are not debugging don't use. 685f8829a4aSRandall Stewartoptions SCTP_DEBUG 686f8829a4aSRandall Stewart# 687f8829a4aSRandall Stewart# All that options after that turn on specific types of 688f8829a4aSRandall Stewart# logging. You can monitor CWND growth, flight size 689f8829a4aSRandall Stewart# and all sorts of things. Go look at the code and 690f8829a4aSRandall Stewart# see. I have used this to produce interesting 691f8829a4aSRandall Stewart# charts and graphs as well :-> 692f8829a4aSRandall Stewart# 6939c0ef6d5SOliver Fromme# I have not yet committed the tools to get and print 694f8829a4aSRandall Stewart# the logs, I will do that eventually .. before then 695f8829a4aSRandall Stewart# if you want them send me an email rrs@freebsd.org 696f7e95633SRuslan Ermilov# You basically must have ktr(4) enabled for these 697cb7a4976SRandall Stewart# and you then set the sysctl to turn on/off various 698f7e95633SRuslan Ermilov# logging bits. Use ktrdump(8) to pull the log and run 6999c0ef6d5SOliver Fromme# it through a display program.. and graphs and other 700cb7a4976SRandall Stewart# things too. 701f8829a4aSRandall Stewart# 702f8829a4aSRandall Stewartoptions SCTP_LOCK_LOGGING 703f8829a4aSRandall Stewartoptions SCTP_MBUF_LOGGING 704cb7a4976SRandall Stewartoptions SCTP_MBCNT_LOGGING 705cb7a4976SRandall Stewartoptions SCTP_PACKET_LOGGING 706cb7a4976SRandall Stewartoptions SCTP_LTRACE_CHUNKS 707cb7a4976SRandall Stewartoptions SCTP_LTRACE_ERRORS 708cb7a4976SRandall Stewart 709f8829a4aSRandall Stewart 71002b199f1SMax Laier# altq(9). Enable the base part of the hooks with the ALTQ option. 71102b199f1SMax Laier# Individual disciplines must be built into the base system and can not be 712cceffdeeSAndrew Thompson# loaded as modules at this point. ALTQ requires a stable TSC so if yours is 713cceffdeeSAndrew Thompson# broken or changes with CPU throttling then you must also have the ALTQ_NOPCC 714cceffdeeSAndrew Thompson# option. 71502b199f1SMax Laieroptions ALTQ 716755911cdSGreg Leheyoptions ALTQ_CBQ # Class Based Queueing 717c7219167SMax Laieroptions ALTQ_RED # Random Early Detection 71802b199f1SMax Laieroptions ALTQ_RIO # RED In/Out 719a13bfb09SLuiz Otavio O Souzaoptions ALTQ_CODEL # CoDel Active Queueing 72002b199f1SMax Laieroptions ALTQ_HFSC # Hierarchical Packet Scheduler 721a5b789f6SErmal Luçioptions ALTQ_FAIRQ # Fair Packet Scheduler 72202b199f1SMax Laieroptions ALTQ_CDNR # Traffic conditioner 7233c7c6c12SMike Pritchardoptions ALTQ_PRIQ # Priority Queueing 724cceffdeeSAndrew Thompsonoptions ALTQ_NOPCC # Required if the TSC is unusable 72502b199f1SMax Laieroptions ALTQ_DEBUG 72602b199f1SMax Laier 7274cf49a43SJulian Elischer# netgraph(4). Enable the base netgraph code with the NETGRAPH option. 7284cf49a43SJulian Elischer# Individual node types can be enabled with the corresponding option 7294cf49a43SJulian Elischer# listed below; however, this is not strictly necessary as netgraph 7304cf49a43SJulian Elischer# will automatically load the corresponding KLD module if the node type 73192a3e552SArchie Cobbs# is not already compiled into the kernel. Each type below has a 73292a3e552SArchie Cobbs# corresponding man page, e.g., ng_async(8). 7334cf49a43SJulian Elischeroptions NETGRAPH # netgraph(4) system 73473e87266SGleb Smirnoffoptions NETGRAPH_DEBUG # enable extra debugging, this 73573e87266SGleb Smirnoff # affects netgraph(4) and nodes 73673e87266SGleb Smirnoff# Node types 7374cf49a43SJulian Elischeroptions NETGRAPH_ASYNC 738bde778e9SBenno Riceoptions NETGRAPH_ATMLLC 739b84b10f9SMaksim Yevmenkinoptions NETGRAPH_ATM_ATMPIF 740b84b10f9SMaksim Yevmenkinoptions NETGRAPH_BLUETOOTH # ng_bluetooth(4) 741b84b10f9SMaksim Yevmenkinoptions NETGRAPH_BLUETOOTH_BT3C # ng_bt3c(4) 742b84b10f9SMaksim Yevmenkinoptions NETGRAPH_BLUETOOTH_HCI # ng_hci(4) 743b84b10f9SMaksim Yevmenkinoptions NETGRAPH_BLUETOOTH_L2CAP # ng_l2cap(4) 744b84b10f9SMaksim Yevmenkinoptions NETGRAPH_BLUETOOTH_SOCKET # ng_btsocket(4) 745b84b10f9SMaksim Yevmenkinoptions NETGRAPH_BLUETOOTH_UBT # ng_ubt(4) 746b84b10f9SMaksim Yevmenkinoptions NETGRAPH_BLUETOOTH_UBTBCMFW # ubtbcmfw(4) 74792a3e552SArchie Cobbsoptions NETGRAPH_BPF 748901fadf7SArchie Cobbsoptions NETGRAPH_BRIDGE 7497d3b4a08SAlexander Motinoptions NETGRAPH_CAR 7504cf49a43SJulian Elischeroptions NETGRAPH_CISCO 7519e6f1d3bSGleb Smirnoffoptions NETGRAPH_DEFLATE 75231578ac8SGleb Smirnoffoptions NETGRAPH_DEVICE 7534cf49a43SJulian Elischeroptions NETGRAPH_ECHO 7549d564133SRobert Watsonoptions NETGRAPH_EIFACE 75546aa8b9bSArchie Cobbsoptions NETGRAPH_ETHER 7564cf49a43SJulian Elischeroptions NETGRAPH_FRAME_RELAY 75737379158SBrooks Davisoptions NETGRAPH_GIF 75837379158SBrooks Davisoptions NETGRAPH_GIF_DEMUX 7594cf49a43SJulian Elischeroptions NETGRAPH_HOLE 7604cf49a43SJulian Elischeroptions NETGRAPH_IFACE 76137379158SBrooks Davisoptions NETGRAPH_IP_INPUT 762f2a7ef4eSGleb Smirnoffoptions NETGRAPH_IPFW 76348e94174SArchie Cobbsoptions NETGRAPH_KSOCKET 764901fadf7SArchie Cobbsoptions NETGRAPH_L2TP 7654cf49a43SJulian Elischeroptions NETGRAPH_LMI 766ec5753e0SPedro F. Giffunioptions NETGRAPH_MPPC_COMPRESSION 767a2b408adSArchie Cobbsoptions NETGRAPH_MPPC_ENCRYPTION 768cec50deaSGleb Smirnoffoptions NETGRAPH_NETFLOW 7696cd047a0SGleb Smirnoffoptions NETGRAPH_NAT 7707d7a5b89SArchie Cobbsoptions NETGRAPH_ONE2MANY 771d05181f9SAndrey V. Elsukovoptions NETGRAPH_PATCH 772991633afSMarko Zecoptions NETGRAPH_PIPE 773b0801bacSArchie Cobbsoptions NETGRAPH_PPP 774b0801bacSArchie Cobbsoptions NETGRAPH_PPPOE 775add85a1dSArchie Cobbsoptions NETGRAPH_PPTPGRE 7769e6f1d3bSGleb Smirnoffoptions NETGRAPH_PRED1 7774cf49a43SJulian Elischeroptions NETGRAPH_RFC1490 778b0801bacSArchie Cobbsoptions NETGRAPH_SOCKET 7794d60fee2SBrooks Davisoptions NETGRAPH_SPLIT 7800a6818e2SRoman Kurakinoptions NETGRAPH_SPPP 781d473c9d5SGleb Smirnoffoptions NETGRAPH_TAG 782e9110049SGleb Smirnoffoptions NETGRAPH_TCPMSS 7834cf49a43SJulian Elischeroptions NETGRAPH_TEE 7844cf49a43SJulian Elischeroptions NETGRAPH_UI 785b58a8a3bSJulian Elischeroptions NETGRAPH_VJC 786b4263060SRuslan Ermilovoptions NETGRAPH_VLAN 787666ea1b6SMaksim Yevmenkin 78802152e8fSHartmut Brandt# NgATM - Netgraph ATM 78902152e8fSHartmut Brandtoptions NGATM_ATM 790027ebd2fSHartmut Brandtoptions NGATM_ATMBASE 791027ebd2fSHartmut Brandtoptions NGATM_SSCOP 792027ebd2fSHartmut Brandtoptions NGATM_SSCFU 793ed91f9a5SHartmut Brandtoptions NGATM_UNI 794a7e22394SHartmut Brandtoptions NGATM_CCATM 79502152e8fSHartmut Brandt 796c9953c3bSPeter Wemmdevice mn # Munich32x/Falc54 Nx64kbit/sec cards. 7973cf4d0bfSPoul-Henning Kamp 7980990ef0aSKevin Lo# Network stack virtualization. 7998e94025bSBjoern A. Zeeboptions VIMAGE 8008e94025bSBjoern A. Zeeboptions VNET_DEBUG # debug for VIMAGE 8010990ef0aSKevin Lo 8026a8d6623SGarrett Wollman# 8036a8d6623SGarrett Wollman# Network interfaces: 804f71c01ccSPeter Wemm# The `loop' device is MANDATORY when networking is enabled. 80536782d14SWojciech A. Koszekdevice loop 80636782d14SWojciech A. Koszek 807f71c01ccSPeter Wemm# The `ether' device provides generic code to handle 8089d5abbddSJens Schweikhardt# Ethernets; it is MANDATORY when an Ethernet device driver is 80969f0fecbSBrooks Davis# configured. 81036782d14SWojciech A. Koszekdevice ether 81136782d14SWojciech A. Koszek 812fc67901fSYaroslav Tykhiy# The `vlan' device implements the VLAN tagging of Ethernet frames 8139d9ab10eSAntoine Brodin# according to IEEE 802.1Q. 81436782d14SWojciech A. Koszekdevice vlan 81536782d14SWojciech A. Koszek 816007054f0SBryan Venteicher# The `vxlan' device implements the VXLAN encapsulation of Ethernet 817007054f0SBryan Venteicher# frames in UDP packets according to RFC7348. 818007054f0SBryan Venteicherdevice vxlan 819007054f0SBryan Venteicher 82057a42501SGarrett Wollman# The `wlan' device provides generic code to support 802.11 82167e4db77SSam Leffler# drivers, including host AP mode; it is MANDATORY for the wi, 822f4463607SSam Leffler# and ath drivers and will eventually be required by all 802.11 drivers. 82336782d14SWojciech A. Koszekdevice wlan 82436782d14SWojciech A. Koszekoptions IEEE80211_DEBUG #enable debugging msgs 82536782d14SWojciech A. Koszekoptions IEEE80211_AMPDU_AGE #age frames in AMPDU reorder q's 82659aa14a9SRui Paulooptions IEEE80211_SUPPORT_MESH #enable 802.11s D3.0 support 82759aa14a9SRui Paulooptions IEEE80211_SUPPORT_TDMA #enable TDMA support 82836782d14SWojciech A. Koszek 82967e4db77SSam Leffler# The `wlan_wep', `wlan_tkip', and `wlan_ccmp' devices provide 83067e4db77SSam Leffler# support for WEP, TKIP, and AES-CCMP crypto protocols optionally 83167e4db77SSam Leffler# used with 802.11 devices that depend on the `wlan' module. 83236782d14SWojciech A. Koszekdevice wlan_wep 83336782d14SWojciech A. Koszekdevice wlan_ccmp 83436782d14SWojciech A. Koszekdevice wlan_tkip 83536782d14SWojciech A. Koszek 83667e4db77SSam Leffler# The `wlan_xauth' device provides support for external (i.e. user-mode) 83767e4db77SSam Leffler# authenticators for use with 802.11 drivers that use the `wlan' 83834341a71SJohn Baldwin# module and support 802.1x and/or WPA security protocols. 83936782d14SWojciech A. Koszekdevice wlan_xauth 84036782d14SWojciech A. Koszek 84167e4db77SSam Leffler# The `wlan_acl' device provides a MAC-based access control mechanism 84267e4db77SSam Leffler# for use with 802.11 drivers operating in ap mode and using the 84367e4db77SSam Leffler# `wlan' module. 84436782d14SWojciech A. Koszek# The 'wlan_amrr' device provides AMRR transmit rate control algorithm 84536782d14SWojciech A. Koszekdevice wlan_acl 84636782d14SWojciech A. Koszekdevice wlan_amrr 84736782d14SWojciech A. Koszek 848f71c01ccSPeter Wemm# The `sppp' device serves a similar role for certain types 849e7c234a1SPeter Wemm# of synchronous PPP links (like `cx', `ar'). 85036782d14SWojciech A. Koszekdevice sppp 85136782d14SWojciech A. Koszek 852f71c01ccSPeter Wemm# The `bpf' device enables the Berkeley Packet Filter. Be 853d29895dcSGarrett Wollman# aware of the legal and administrative consequences of enabling this 8549c0ef6d5SOliver Fromme# option. DHCP requires bpf. 85536782d14SWojciech A. Koszekdevice bpf 85636782d14SWojciech A. Koszek 857e4b68814SLuigi Rizzo# The `netmap' device implements memory-mapped access to network 858e4b68814SLuigi Rizzo# devices from userspace, enabling wire-speed packet capture and 859e4b68814SLuigi Rizzo# generation even at 10Gbit/s. Requires support in the device 860e4b68814SLuigi Rizzo# driver. Supported drivers are ixgbe, e1000, re. 861e4b68814SLuigi Rizzodevice netmap 862e4b68814SLuigi Rizzo 863f71c01ccSPeter Wemm# The `disc' device implements a minimal network interface, 86459d8d13fSGarrett Wollman# which throws away all packets sent and never receives any. It is 86570e04181SYaroslav Tykhiy# included for testing and benchmarking purposes. 86636782d14SWojciech A. Koszekdevice disc 86736782d14SWojciech A. Koszek 868d0ea4743SBjoern A. Zeeb# The `epair' device implements a virtual back-to-back connected Ethernet 869d0ea4743SBjoern A. Zeeb# like interface pair. 870d0ea4743SBjoern A. Zeebdevice epair 871d0ea4743SBjoern A. Zeeb 87263518eccSYaroslav Tykhiy# The `edsc' device implements a minimal Ethernet interface, 87363518eccSYaroslav Tykhiy# which discards all packets sent and receives none. 87436782d14SWojciech A. Koszekdevice edsc 87536782d14SWojciech A. Koszek 8764c12b435SNick Sayer# The `tap' device is a pty-like virtual Ethernet interface 87736782d14SWojciech A. Koszekdevice tap 87836782d14SWojciech A. Koszek 87936782d14SWojciech A. Koszek# The `tun' device implements (user-)ppp and nos-tun(8) 88036782d14SWojciech A. Koszekdevice tun 88136782d14SWojciech A. Koszek 882f71c01ccSPeter Wemm# The `gif' device implements IPv6 over IP4 tunneling, 883cfa1ca9dSYoshinobu Inoue# IPv4 over IPv6 tunneling, IPv4 over IPv4 tunneling and 884cfa1ca9dSYoshinobu Inoue# IPv6 over IPv6 tunneling. 885f325335cSAndrey V. Elsukov# The `gre' device implements GRE (Generic Routing Encapsulation) tunneling, 886f325335cSAndrey V. Elsukov# as specified in the RFC 2784 and RFC 2890. 887f325335cSAndrey V. Elsukov# The `me' device implements Minimal Encapsulation within IPv4 as 888f325335cSAndrey V. Elsukov# specified in the RFC 2004. 889f57fc21cSJeroen Ruigrok van der Werven# The XBONEHACK option allows the same pair of addresses to be configured on 890f57fc21cSJeroen Ruigrok van der Werven# multiple gif interfaces. 89136782d14SWojciech A. Koszekdevice gif 89236782d14SWojciech A. Koszekdevice gre 893f325335cSAndrey V. Elsukovdevice me 89436782d14SWojciech A. Koszekoptions XBONEHACK 89536782d14SWojciech A. Koszek 896d5015639SMunechika SUMIKAWA# The `stf' device implements 6to4 encapsulation. 89736782d14SWojciech A. Koszekdevice stf 89836782d14SWojciech A. Koszek 8998d69c48bSMax Laier# The pf packet filter consists of three devices: 9008d69c48bSMax Laier# The `pf' device provides /dev/pf and the firewall code itself. 9018d69c48bSMax Laier# The `pflog' device provides the pflog0 interface which logs packets. 9028d69c48bSMax Laier# The `pfsync' device provides the pfsync0 interface used for 9038d69c48bSMax Laier# synchronization of firewall state tables (over the net). 90436782d14SWojciech A. Koszekdevice pf 90536782d14SWojciech A. Koszekdevice pflog 90636782d14SWojciech A. Koszekdevice pfsync 90736782d14SWojciech A. Koszek 90836782d14SWojciech A. Koszek# Bridge interface. 90936782d14SWojciech A. Koszekdevice if_bridge 91036782d14SWojciech A. Koszek 91136782d14SWojciech A. Koszek# Common Address Redundancy Protocol. See carp(4) for more details. 91236782d14SWojciech A. Koszekdevice carp 91336782d14SWojciech A. Koszek 91436782d14SWojciech A. Koszek# IPsec interface. 91536782d14SWojciech A. Koszekdevice enc 91636782d14SWojciech A. Koszek 91736782d14SWojciech A. Koszek# Link aggregation interface. 91836782d14SWojciech A. Koszekdevice lagg 91936782d14SWojciech A. Koszek 9208d69c48bSMax Laier# 9216a8d6623SGarrett Wollman# Internet family options: 9226a8d6623SGarrett Wollman# 9236a8d6623SGarrett Wollman# MROUTING enables the kernel multicast packet forwarder, which works 9240948f0a2SBruce M Simpson# with mrouted and XORP. 925e0f688baSJeffrey Hsu# 926d29895dcSGarrett Wollman# IPFIREWALL enables support for IP firewall construction, in 927ff6f025aSAlexander Langer# conjunction with the `ipfw' program. IPFIREWALL_VERBOSE sends 928ff6f025aSAlexander Langer# logged packets to the system logger. IPFIREWALL_VERBOSE_LIMIT 929ff6f025aSAlexander Langer# limits the number of times a matching entry can be logged. 930ab6e02daSJordan K. Hubbard# 931ab6e02daSJordan K. Hubbard# WARNING: IPFIREWALL defaults to a policy of "deny ip from any to any" 932ab6e02daSJordan K. Hubbard# and if you do not add other rules during startup to allow access, 933a236d14cSJordan K. Hubbard# YOU WILL LOCK YOURSELF OUT. It is suggested that you set firewall_type=open 934ab6e02daSJordan K. Hubbard# in /etc/rc.conf when first enabling this feature, then refining the 935ab6e02daSJordan K. Hubbard# firewall rules in /etc/rc.firewall after you've tested that the new kernel 936ab6e02daSJordan K. Hubbard# feature works properly. 9378dd4744eSJordan K. Hubbard# 938ffdd472dSPeter Wemm# IPFIREWALL_DEFAULT_TO_ACCEPT causes the default rule (at boot) to 939ffdd472dSPeter Wemm# allow everything. Use with care, if a cracker can crash your 940ffdd472dSPeter Wemm# firewall machine, they can get to your protected machines. However, 941ffdd472dSPeter Wemm# if you are using it as an as-needed filter for specific problems as 942ffdd472dSPeter Wemm# they arise, then this may be for you. Changing the default to 'allow' 943ffdd472dSPeter Wemm# means that you won't get stuck if the kernel and /sbin/ipfw binary get 944ffdd472dSPeter Wemm# out of sync. 945d29895dcSGarrett Wollman# 94684bb6a2eSAndre Oppermann# IPDIVERT enables the divert IP sockets, used by ``ipfw divert''. It 94784bb6a2eSAndre Oppermann# depends on IPFIREWALL if compiled into the kernel. 94893e0e116SJulian Elischer# 94961c0e134SPaolo Pisati# IPFIREWALL_NAT adds support for in kernel nat in ipfw, and it requires 950531c890bSPaolo Pisati# LIBALIAS. 95161c0e134SPaolo Pisati# 952d8caf56eSAndrey V. Elsukov# IPFIREWALL_NAT64 adds support for in kernel NAT64 in ipfw. 953d8caf56eSAndrey V. Elsukov# 954b867e84eSAndrey V. Elsukov# IPFIREWALL_NPTV6 adds support for in kernel NPTv6 in ipfw. 955b867e84eSAndrey V. Elsukov# 956aac74aeaSAndrey V. Elsukov# IPFIREWALL_PMOD adds support for protocols modification module. Currently 957aac74aeaSAndrey V. Elsukov# it supports only TCP MSS modification. 958aac74aeaSAndrey V. Elsukov# 9591b968362SDag-Erling Smørgrav# IPSTEALTH enables code to support stealth forwarding (i.e., forwarding 9601c9c6382SRuslan Ermilov# packets without touching the TTL). This can be useful to hide firewalls 9611b968362SDag-Erling Smørgrav# from traceroute and similar tools. 9621b968362SDag-Erling Smørgrav# 9637f7ef494SGleb Smirnoff# PF_DEFAULT_TO_DROP causes the default pf(4) rule to deny everything. 9647f7ef494SGleb Smirnoff# 9655e331acdSGarrett Wollman# TCPDEBUG enables code which keeps traces of the TCP state machine 9665e331acdSGarrett Wollman# for sockets with the SO_DEBUG option set, which can then be examined 9675e331acdSGarrett Wollman# using the trpt(8) utility. 96865e8111fSBruce Evans# 96986a996e6SHiren Panchasara# TCPPCAP enables code which keeps the last n packets sent and received 97086a996e6SHiren Panchasara# on a TCP socket. 97186a996e6SHiren Panchasara# 972e24e5683SJonathan T. Looney# TCP_BLACKBOX enables enhanced TCP event logging. 973e24e5683SJonathan T. Looney# 974bd79708dSJonathan T. Looney# TCP_HHOOK enables the hhook(9) framework hooks for the TCP stack. 975bd79708dSJonathan T. Looney# 97665e4e499SGleb Smirnoff# RADIX_MPATH provides support for equal-cost multi-path routing. 9779731596aSGleb Smirnoff# 978e3178a06SJordan K. Hubbardoptions MROUTING # Multicast routing 979d29895dcSGarrett Wollmanoptions IPFIREWALL #firewall 9804479e72cSCrist J. Clarkoptions IPFIREWALL_VERBOSE #enable logging to syslogd(8) 9815895e3c8SPeter Wemmoptions IPFIREWALL_VERBOSE_LIMIT=100 #limit verbosity 982e43a9900SAlexander Langeroptions IPFIREWALL_DEFAULT_TO_ACCEPT #allow everything by default 98361c0e134SPaolo Pisatioptions IPFIREWALL_NAT #ipfw kernel nat support 984d8caf56eSAndrey V. Elsukovoptions IPFIREWALL_NAT64 #ipfw kernel NAT64 support 985b867e84eSAndrey V. Elsukovoptions IPFIREWALL_NPTV6 #ipfw kernel IPv6 NPT support 98693e0e116SJulian Elischeroptions IPDIVERT #divert sockets 9879cc86ee9SGuido van Rooijoptions IPFILTER #ipfilter support 9889cc86ee9SGuido van Rooijoptions IPFILTER_LOG #ipfilter logging 9890c3757dfSDarren Reedoptions IPFILTER_LOOKUP #ipfilter pools 9908259bcdfSJeroen Ruigrok van der Wervenoptions IPFILTER_DEFAULT_BLOCK #block all packets by default 9911b968362SDag-Erling Smørgravoptions IPSTEALTH #support for stealth forwarding 9927f7ef494SGleb Smirnoffoptions PF_DEFAULT_TO_DROP #drop everything by default 99365e8111fSBruce Evansoptions TCPDEBUG 99486a996e6SHiren Panchasaraoptions TCPPCAP 995e24e5683SJonathan T. Looneyoptions TCP_BLACKBOX 996bd79708dSJonathan T. Looneyoptions TCP_HHOOK 9979731596aSGleb Smirnoffoptions RADIX_MPATH 9986a8d6623SGarrett Wollman 99953dcc544SMike Silbersack# The MBUF_STRESS_TEST option enables options which create 100053dcc544SMike Silbersack# various random failures / extreme cases related to mbuf 1001f8f8803bSBruce Evans# functions. See mbuf(9) for a list of available test cases. 10024e77d255SJulian Elischer# MBUF_PROFILING enables code to profile the mbuf chains 10036eeac1d9SJulian Elischer# exiting the system (via participating interfaces) and 10046eeac1d9SJulian Elischer# return a logarithmic histogram of monitored parameters 10056eeac1d9SJulian Elischer# (e.g. packet size, wasted space, number of mbufs in chain). 100653dcc544SMike Silbersackoptions MBUF_STRESS_TEST 10076eeac1d9SJulian Elischeroptions MBUF_PROFILING 10084a5ccac7SMike Silbersack 10099c0ef6d5SOliver Fromme# Statically link in accept filters 1010a79b7128SAlfred Perlsteinoptions ACCEPT_FILTER_DATA 1011744eaff7SDavid Maloneoptions ACCEPT_FILTER_DNS 1012a79b7128SAlfred Perlsteinoptions ACCEPT_FILTER_HTTP 1013a79b7128SAlfred Perlstein 1014b52f8407SBruce M Simpson# TCP_SIGNATURE adds support for RFC 2385 (TCP-MD5) digests. These are 1015b52f8407SBruce M Simpson# carried in TCP option 19. This option is commonly used to protect 1016b52f8407SBruce M Simpson# TCP sessions (e.g. BGP) where IPSEC is not available nor desirable. 1017b52f8407SBruce M Simpson# This is enabled on a per-socket basis using the TCP_MD5SIG socket option. 1018fcf59617SAndrey V. Elsukov# This requires the use of 'device crypto' and either 'options IPSEC' or 1019fcf59617SAndrey V. Elsukov# 'options IPSEC_SUPPORT'. 10205164136dSBjoern A. Zeeboptions TCP_SIGNATURE #include support for RFC 2385 1021b52f8407SBruce M Simpson 1022f8f8803bSBruce Evans# DUMMYNET enables the "dummynet" bandwidth limiter. You need IPFIREWALL 1023f8f8803bSBruce Evans# as well. See dummynet(4) and ipfw(8) for more info. When you run 1024358f8d82SRobert Watson# DUMMYNET it is advisable to also have at least "options HZ=1000" to achieve 1025358f8d82SRobert Watson# a smooth scheduling of the traffic. 102668ec4eb6SLuigi Rizzooptions DUMMYNET 102768e9d934SLuigi Rizzo 1028e5054602SMark Johnston# The NETDUMP option enables netdump(4) client support in the kernel. 1029e5054602SMark Johnston# This allows a panicking kernel to transmit a kernel dump to a remote host. 1030e5054602SMark Johnstonoptions NETDUMP 1031e5054602SMark Johnston 10326a8d6623SGarrett Wollman##################################################################### 10336a8d6623SGarrett Wollman# FILESYSTEM OPTIONS 1034e3178a06SJordan K. Hubbard 10352365e64fSRodney W. Grimes# 10363f850e6aSKonstantin Belousov# Only the root filesystem needs to be statically compiled or preloaded 10373f850e6aSKonstantin Belousov# as module; everything else will be automatically loaded at mount 10383f850e6aSKonstantin Belousov# time. Some people still prefer to statically compile other 10393f850e6aSKonstantin Belousov# filesystems as well. 10406a8d6623SGarrett Wollman# 104155793cdcSAttilio Rao# NB: The UNION filesystem was known to be buggy in the past. It is now 1042534046e3SRong-En Fan# being actively maintained, although there are still some issues being 1043534046e3SRong-En Fan# resolved. 10442365e64fSRodney W. Grimes# 1045f1a9c715SDavid Greenman 10466a8d6623SGarrett Wollman# One of these is mandatory: 10476a8d6623SGarrett Wollmanoptions FFS #Fast filesystem 1048c15882f0SRick Macklemoptions NFSCL #Network File System client 10496a8d6623SGarrett Wollman 10506a8d6623SGarrett Wollman# The rest are optional: 10513914ddf8SEdward Tomasz Napieralaoptions AUTOFS #Automounter filesystem 10525895e3c8SPeter Wemmoptions CD9660 #ISO 9660 filesystem 105399d300a1SRuslan Ermilovoptions FDESCFS #File descriptor filesystem 10545fe58019SAttilio Raooptions FUSE #FUSE support module 1055dba11ce5SAlexander Langeroptions MSDOSFS #MS DOS File System (FAT, FAT32) 1056dfdcada3SDoug Rabsonoptions NFSLOCKD #Network Lock Manager 10573e32dff5SJohn Baldwinoptions NFSD #Network Filesystem Server 10589c0ef6d5SOliver Frommeoptions KGSSAPI #Kernel GSSAPI implementation 10591bea7c61SMaxim Sobolev 1060f1a9c715SDavid Greenmanoptions NULLFS #NULL filesystem 10614d2647f9SDag-Erling Smørgravoptions PROCFS #Process filesystem (requires PSEUDOFS) 106252ebde4fSDag-Erling Smørgravoptions PSEUDOFS #Pseudo-filesystem framework 1063bcc1205cSDag-Erling Smørgravoptions PSEUDOFS_TRACE #Debugging support for PSEUDOFS 1064237abf0cSDavide Italianooptions SMBFS #SMB/CIFS filesystem 106578920d0fSKevin Looptions TMPFS #Efficient memory filesystem 1066df263cbdSScott Longoptions UDF #Universal Disk Format 106799d300a1SRuslan Ermilovoptions UNIONFS #Union filesystem 1068bcf77694SPeter Wemm# The xFS_ROOT options REQUIRE the associated ``options xFS'' 1069bcf77694SPeter Wemmoptions NFS_ROOT #NFS usable as root device 1070f1a9c715SDavid Greenman 1071d0a28bafSAlexander Langer# Soft updates is a technique for improving filesystem speed and 1072d61e6649SAlexander Langer# making abrupt shutdown less risky. 1073f8f8d7afSEivind Eklund# 10743d5c4fdcSPoul-Henning Kampoptions SOFTUPDATES 1075b1897c19SJulian Elischer 1076a64ed089SRobert Watson# Extended attributes allow additional data to be associated with files, 107751be6918SChris D. Faulhaber# and is used for ACLs, Capabilities, and MAC labels. 107851be6918SChris D. Faulhaber# See src/sys/ufs/ufs/README.extattr for more information. 107949993db0SRobert Watsonoptions UFS_EXTATTR 108049993db0SRobert Watsonoptions UFS_EXTATTR_AUTOSTART 1081a64ed089SRobert Watson 108251be6918SChris D. Faulhaber# Access Control List support for UFS filesystems. The current ACL 108351be6918SChris D. Faulhaber# implementation requires extended attribute support, UFS_EXTATTR, 108451be6918SChris D. Faulhaber# for the underlying filesystem. 108551be6918SChris D. Faulhaber# See src/sys/ufs/ufs/README.acls for more information. 108651be6918SChris D. Faulhaberoptions UFS_ACL 108751be6918SChris D. Faulhaber 10889b5ad47fSIan Dowse# Directory hashing improves the speed of operations on very large 10899b5ad47fSIan Dowse# directories at the expense of some memory. 10909b5ad47fSIan Dowseoptions UFS_DIRHASH 10919b5ad47fSIan Dowse 1092f348204cSPawel Jakub Dawidek# Gjournal-based UFS journaling support. 1093f348204cSPawel Jakub Dawidekoptions UFS_GJOURNAL 1094f348204cSPawel Jakub Dawidek 109571e4fff8SPoul-Henning Kamp# Make space in the kernel for a root filesystem on a md device. 109671e4fff8SPoul-Henning Kamp# Define to the number of kilobytes to reserve for the filesystem. 1097f4c1f0b9SAdrian Chadd# This is now optional. 1098f4c1f0b9SAdrian Chadd# If not defined, the root filesystem passed in as the MFS_IMAGE makeoption 1099f4c1f0b9SAdrian Chadd# will be automatically embedded in the kernel during linking. Its exact size 1100f4c1f0b9SAdrian Chadd# will be consumed within the kernel. 1101f4c1f0b9SAdrian Chadd# If defined, the old way of embedding the filesystem in the kernel will be 1102f4c1f0b9SAdrian Chadd# used. That is to say MD_ROOT_SIZE KB will be allocated in the kernel and 1103f4c1f0b9SAdrian Chadd# later, the filesystem image passed in as the MFS_IMAGE makeoption will be 1104f4c1f0b9SAdrian Chadd# dd'd into the reserved space if it fits. 110571e4fff8SPoul-Henning Kampoptions MD_ROOT_SIZE=10 110671e4fff8SPoul-Henning Kamp 110771e4fff8SPoul-Henning Kamp# Make the md device a potential root device, either with preloaded 110871e4fff8SPoul-Henning Kamp# images of type mfs_root or md_root. 110971e4fff8SPoul-Henning Kampoptions MD_ROOT 1110d52d7365SPoul-Henning Kamp 11115cf10fb9SIan Lepore# Write-protect the md root device so that it may not be mounted writeable. 11125cf10fb9SIan Leporeoptions MD_ROOT_READONLY 11135cf10fb9SIan Lepore 1114*7b2c7b92SBreno Leitao# Allow to read MD image from external memory regions 1115*7b2c7b92SBreno Leitaooptions MD_ROOT_MEM 1116*7b2c7b92SBreno Leitao 1117495967e4SEivind Eklund# Disk quotas are supported when this option is enabled. 11182365e64fSRodney W. Grimesoptions QUOTA #enable disk quotas 11196a8d6623SGarrett Wollman 1120276756a4SDag-Erling Smørgrav# If you are running a machine just as a fileserver for PC and MAC 112145c203fcSGleb Smirnoff# users, using SAMBA, you may consider setting this option 1122276756a4SDag-Erling Smørgrav# and keeping all those users' directories on a filesystem that is 1123276756a4SDag-Erling Smørgrav# mounted with the suiddir option. This gives new files the same 1124ec4e5afbSRobert Nordier# ownership as the directory (similar to group). It's a security hole 11256110161fSDag-Erling Smørgrav# if you let these users run programs, so confine it to file-servers 1126276756a4SDag-Erling Smørgrav# (but it'll save you lots of headaches in those cases). Root owned 1127276756a4SDag-Erling Smørgrav# directories are exempt and X bits are cleared. The suid bit must be 11289c0ef6d5SOliver Fromme# set on the directory as well; see chmod(1). PC owners can't see/set 1129276756a4SDag-Erling Smørgrav# ownerships so they keep getting their toes trodden on. This saves 1130276756a4SDag-Erling Smørgrav# you all the support calls as the filesystem it's used on will act as 1131276756a4SDag-Erling Smørgrav# they expect: "It's my dir so it must be my file". 1132cb800e34SJulian Elischer# 1133cb800e34SJulian Elischeroptions SUIDDIR 1134cb800e34SJulian Elischer 1135df394affSJohn-Mark Gurney# NFS options: 11365895e3c8SPeter Wemmoptions NFS_MINATTRTIMO=3 # VREG attrib cache timeout in sec 11375895e3c8SPeter Wemmoptions NFS_MAXATTRTIMO=60 11385895e3c8SPeter Wemmoptions NFS_MINDIRATTRTIMO=30 # VDIR attrib cache timeout in sec 11395895e3c8SPeter Wemmoptions NFS_MAXDIRATTRTIMO=60 1140df394affSJohn-Mark Gurneyoptions NFS_DEBUG # Enable NFS Debugging 1141df394affSJohn-Mark Gurney 1142053a2b61SEivind Eklund# 1143053a2b61SEivind Eklund# Add support for the EXT2FS filesystem of Linux fame. Be a bit 1144053a2b61SEivind Eklund# careful with this - the ext2fs code has a tendency to lag behind 1145053a2b61SEivind Eklund# changes and not be exercised very much, so mounting read/write could 1146053a2b61SEivind Eklund# be dangerous (and even mounting read only could result in panics.) 1147053a2b61SEivind Eklund# 11485895e3c8SPeter Wemmoptions EXT2FS 1149053a2b61SEivind Eklund 11508ab2f5ecSMark Murray# Cryptographically secure random number generator; /dev/random 1151ac519db0SMark Murraydevice random 115215bbdecfSMark Murray 11538ab2f5ecSMark Murray# The system memory devices; /dev/mem, /dev/kmem 1154e83e229dSWarner Loshdevice mem 11558ab2f5ecSMark Murray 115600a5db46SStacey Son# The kernel symbol table device; /dev/ksyms 115700a5db46SStacey Sondevice ksyms 115800a5db46SStacey Son 1159c4f02a89SMax Khon# Optional character code conversion support with LIBICONV. 1160c4f02a89SMax Khon# Each option requires their base file system and LIBICONV. 1161c4f02a89SMax Khonoptions CD9660_ICONV 1162c4f02a89SMax Khonoptions MSDOSFS_ICONV 1163126f0dfaSScott Longoptions UDF_ICONV 1164c4f02a89SMax Khon 11656a8d6623SGarrett Wollman 11666a8d6623SGarrett Wollman##################################################################### 1167abc97a06SBruce Evans# POSIX P1003.1B 1168abc97a06SBruce Evans 11691c9c6382SRuslan Ermilov# Real time extensions added in the 1993 POSIX 1170abc97a06SBruce Evans# _KPOSIX_PRIORITY_SCHEDULING: Build in _POSIX_PRIORITY_SCHEDULING 1171abc97a06SBruce Evans 11725895e3c8SPeter Wemmoptions _KPOSIX_PRIORITY_SCHEDULING 11738cbf4973SAlfred Perlstein# p1003_1b_semaphores are very experimental, 11748cbf4973SAlfred Perlstein# user should be ready to assist in debugging if problems arise. 11753ffb9fadSAlfred Perlsteinoptions P1003_1B_SEMAPHORES 1176abc97a06SBruce Evans 11775b40ce27SDavid Xu# POSIX message queue 11785b40ce27SDavid Xuoptions P1003_1B_MQUEUE 1179abc97a06SBruce Evans 1180abc97a06SBruce Evans##################################################################### 118112e9f256SRobert Watson# SECURITY POLICY PARAMETERS 118212e9f256SRobert Watson 1183fdcba197SRobert Watson# Support for BSM audit 1184fdcba197SRobert Watsonoptions AUDIT 1185fdcba197SRobert Watson 1186cd6d1d76SBruce Evans# Support for Mandatory Access Control (MAC): 1187cd6d1d76SBruce Evansoptions MAC 1188eae2f20cSRobert Watsonoptions MAC_BIBA 1189eae2f20cSRobert Watsonoptions MAC_BSDEXTENDED 1190eae2f20cSRobert Watsonoptions MAC_IFOFF 1191c4725737SRobert Watsonoptions MAC_LOMAC 1192eae2f20cSRobert Watsonoptions MAC_MLS 1193eae2f20cSRobert Watsonoptions MAC_NONE 1194eae2f20cSRobert Watsonoptions MAC_PARTITION 119503d03162SRobert Watsonoptions MAC_PORTACL 1196eae2f20cSRobert Watsonoptions MAC_SEEOTHERUIDS 1197782f7255SRobert Watsonoptions MAC_STUB 1198eae2f20cSRobert Watsonoptions MAC_TEST 119912e9f256SRobert Watson 120096fcc75fSRobert Watson# Support for Capsicum 120155d4d6f4SJonathan Andersonoptions CAPABILITIES # fine-grained rights on file descriptors 120255d4d6f4SJonathan Andersonoptions CAPABILITY_MODE # sandboxes with no global namespace access 120396fcc75fSRobert Watson 120412e9f256SRobert Watson 120512e9f256SRobert Watson##################################################################### 1206000033d0SJeroen Ruigrok van der Werven# CLOCK OPTIONS 1207000033d0SJeroen Ruigrok van der Werven 1208000033d0SJeroen Ruigrok van der Werven# The granularity of operation is controlled by the kernel option HZ whose 1209358f8d82SRobert Watson# default value (1000 on most architectures) means a granularity of 1ms 1210358f8d82SRobert Watson# (1s/HZ). Historically, the default was 100, but finer granularity is 1211358f8d82SRobert Watson# required for DUMMYNET and other systems on modern hardware. There are 1212358f8d82SRobert Watson# reasonable arguments that HZ should, in fact, be 100 still; consider, 1213358f8d82SRobert Watson# that reducing the granularity too much might cause excessive overhead in 1214358f8d82SRobert Watson# clock interrupt processing, potentially causing ticks to be missed and thus 1215358f8d82SRobert Watson# actually reducing the accuracy of operation. 1216000033d0SJeroen Ruigrok van der Werven 1217000033d0SJeroen Ruigrok van der Wervenoptions HZ=100 1218000033d0SJeroen Ruigrok van der Werven 1219f309f881SJohn Baldwin# Enable support for the kernel PLL to use an external PPS signal, 1220f309f881SJohn Baldwin# under supervision of [x]ntpd(8) 1221f309f881SJohn Baldwin# More info in ntpd documentation: http://www.eecis.udel.edu/~ntp 1222f309f881SJohn Baldwin 1223f309f881SJohn Baldwinoptions PPS_SYNC 1224f309f881SJohn Baldwin 1225b0fdc837SLawrence Stewart# Enable support for generic feed-forward clocks in the kernel. 1226b0fdc837SLawrence Stewart# The feed-forward clock support is an alternative to the feedback oriented 1227b0fdc837SLawrence Stewart# ntpd/system clock approach, and is to be used with a feed-forward 1228b0fdc837SLawrence Stewart# synchronization algorithm such as the RADclock: 1229b0fdc837SLawrence Stewart# More info here: http://www.synclab.org/radclock 1230b0fdc837SLawrence Stewart 1231b0fdc837SLawrence Stewartoptions FFCLOCK 1232b0fdc837SLawrence Stewart 1233000033d0SJeroen Ruigrok van der Werven 1234000033d0SJeroen Ruigrok van der Werven##################################################################### 1235de6a307eSPeter Dufault# SCSI DEVICES 1236de6a307eSPeter Dufault 12376a8d6623SGarrett Wollman# SCSI DEVICE CONFIGURATION 12386a8d6623SGarrett Wollman 12396a8d6623SGarrett Wollman# The SCSI subsystem consists of the `base' SCSI code, a number of 1240ebc1a0e2SPeter Dufault# high-level SCSI device `type' drivers, and the low-level host-adapter 12416a8d6623SGarrett Wollman# device drivers. The host adapters are listed in the ISA and PCI 12426a8d6623SGarrett Wollman# device configuration sections below. 12436a8d6623SGarrett Wollman# 1244e14eb5a1SGarrett Wollman# It is possible to wire down your SCSI devices so that a given bus, 1245e14eb5a1SGarrett Wollman# target, and LUN always come on line as the same device unit. In 1246e14eb5a1SGarrett Wollman# earlier versions the unit numbers were assigned in the order that 1247e14eb5a1SGarrett Wollman# the devices were probed on the SCSI bus. This means that if you 1248e14eb5a1SGarrett Wollman# removed a disk drive, you may have had to rewrite your /etc/fstab 1249e14eb5a1SGarrett Wollman# file, and also that you had to be careful when adding a new disk 1250e14eb5a1SGarrett Wollman# as it may have been probed earlier and moved your device configuration 1251e14eb5a1SGarrett Wollman# around. (See also option GEOM_VOL for a different solution to this 1252e14eb5a1SGarrett Wollman# problem.) 1253ebc1a0e2SPeter Dufault 1254ebc1a0e2SPeter Dufault# This old behavior is maintained as the default behavior. The unit 1255ebc1a0e2SPeter Dufault# assignment begins with the first non-wired down unit for a device 1256700daf5eSJustin T. Gibbs# type. For example, if you wire a disk as "da3" then the first 1257700daf5eSJustin T. Gibbs# non-wired disk will be assigned da4. 1258ebc1a0e2SPeter Dufault 1259ebc1a0e2SPeter Dufault# The syntax for wiring down devices is: 1260ebc1a0e2SPeter Dufault 1261f71c01ccSPeter Wemmhint.scbus.0.at="ahc0" 1262f71c01ccSPeter Wemmhint.scbus.1.at="ahc1" 1263f71c01ccSPeter Wemmhint.scbus.1.bus="0" 1264f71c01ccSPeter Wemmhint.scbus.3.at="ahc2" 1265f71c01ccSPeter Wemmhint.scbus.3.bus="0" 1266f71c01ccSPeter Wemmhint.scbus.2.at="ahc2" 1267f71c01ccSPeter Wemmhint.scbus.2.bus="1" 1268f71c01ccSPeter Wemmhint.da.0.at="scbus0" 1269f71c01ccSPeter Wemmhint.da.0.target="0" 1270f71c01ccSPeter Wemmhint.da.0.unit="0" 1271f71c01ccSPeter Wemmhint.da.1.at="scbus3" 1272f71c01ccSPeter Wemmhint.da.1.target="1" 1273f71c01ccSPeter Wemmhint.da.2.at="scbus2" 1274f71c01ccSPeter Wemmhint.da.2.target="3" 1275f71c01ccSPeter Wemmhint.sa.1.at="scbus1" 1276f71c01ccSPeter Wemmhint.sa.1.target="6" 1277ebc1a0e2SPeter Dufault 1278ebc1a0e2SPeter Dufault# "units" (SCSI logical unit number) that are not specified are 1279ebc1a0e2SPeter Dufault# treated as if specified as LUN 0. 1280ebc1a0e2SPeter Dufault 1281ebc1a0e2SPeter Dufault# All SCSI devices allocate as many units as are required. 1282ebc1a0e2SPeter Dufault 1283cf2458c9SMatt Jacob# The ch driver drives SCSI Media Changer ("jukebox") devices. 1284cf2458c9SMatt Jacob# 1285cf2458c9SMatt Jacob# The da driver drives SCSI Direct Access ("disk") and Optical Media 1286cf2458c9SMatt Jacob# ("WORM") devices. 1287cf2458c9SMatt Jacob# 1288cf2458c9SMatt Jacob# The sa driver drives SCSI Sequential Access ("tape") devices. 1289cf2458c9SMatt Jacob# 1290cf2458c9SMatt Jacob# The cd driver drives SCSI Read Only Direct Access ("cd") devices. 1291cf2458c9SMatt Jacob# 12923c7c6c12SMike Pritchard# The ses driver drives SCSI Environment Services ("ses") and 12933c7c6c12SMike Pritchard# SAF-TE ("SCSI Accessible Fault-Tolerant Enclosure") devices. 1294cf2458c9SMatt Jacob# 1295cf2458c9SMatt Jacob# The pt driver drives SCSI Processor devices. 1296cf2458c9SMatt Jacob# 12971eba4c79SScott Long# The sg driver provides a passthrough API that is compatible with the 12981eba4c79SScott Long# Linux SG driver. It will work in conjunction with the COMPAT_LINUX 12991eba4c79SScott Long# option to run linux SG apps. It can also stand on its own and provide 1300d51e8487SJosh Paetzel# source level API compatibility for porting apps to FreeBSD. 1301cf2458c9SMatt Jacob# 1302cf2458c9SMatt Jacob# Target Mode support is provided here but also requires that a SIM 1303cf2458c9SMatt Jacob# (SCSI Host Adapter Driver) provide support as well. 1304cf2458c9SMatt Jacob# 1305cf2458c9SMatt Jacob# The targ driver provides target mode support as a Processor type device. 1306cf2458c9SMatt Jacob# It exists to give the minimal context necessary to respond to Inquiry 1307cf2458c9SMatt Jacob# commands. There is a sample user application that shows how the rest 1308cf2458c9SMatt Jacob# of the command support might be done in /usr/share/examples/scsi_target. 1309cf2458c9SMatt Jacob# 1310cf2458c9SMatt Jacob# The targbh driver provides target mode support and exists to respond 1311cf2458c9SMatt Jacob# to incoming commands that do not otherwise have a logical unit assigned 1312cf2458c9SMatt Jacob# to them. 1313cf2458c9SMatt Jacob# 1314b2420d4dSSergey Kandaurov# The pass driver provides a passthrough API to access the CAM subsystem. 1315ebc1a0e2SPeter Dufault 1316c9953c3bSPeter Wemmdevice scbus #base SCSI code 1317c9953c3bSPeter Wemmdevice ch #SCSI media changers 1318c9953c3bSPeter Wemmdevice da #SCSI direct access devices (aka disks) 1319c9953c3bSPeter Wemmdevice sa #SCSI tapes 1320c9953c3bSPeter Wemmdevice cd #SCSI CD-ROMs 1321dc0aa406SAlexander Motindevice ses #Enclosure Services (SES and SAF-TE) 1322cf2458c9SMatt Jacobdevice pt #SCSI processor 132364ed91d5SMatt Jacobdevice targ #SCSI Target Mode Code 132464ed91d5SMatt Jacobdevice targbh #SCSI Target Mode Blackhole Device 1325cf2458c9SMatt Jacobdevice pass #CAM passthrough driver 13261eba4c79SScott Longdevice sg #Linux SCSI passthrough 1327130f4520SKenneth D. Merrydevice ctl #CAM Target Layer 13288909a72bSPeter Dufault 1329700daf5eSJustin T. Gibbs# CAM OPTIONS: 1330700daf5eSJustin T. Gibbs# debugging options: 1331f0f25b9cSAlexander Motin# CAMDEBUG Compile in all possible debugging. 1332f0f25b9cSAlexander Motin# CAM_DEBUG_COMPILE Debug levels to compile in. 1333f0f25b9cSAlexander Motin# CAM_DEBUG_FLAGS Debug levels to enable on boot. 1334f0f25b9cSAlexander Motin# CAM_DEBUG_BUS Limit debugging to the given bus. 1335f0f25b9cSAlexander Motin# CAM_DEBUG_TARGET Limit debugging to the given target. 1336f0f25b9cSAlexander Motin# CAM_DEBUG_LUN Limit debugging to the given lun. 1337f0f25b9cSAlexander Motin# CAM_DEBUG_DELAY Delay in us after printing each debug line. 1338700daf5eSJustin T. Gibbs# 1339700daf5eSJustin T. Gibbs# CAM_MAX_HIGHPOWER: Maximum number of concurrent high power (start unit) cmds 1340700daf5eSJustin T. Gibbs# SCSI_NO_SENSE_STRINGS: When defined disables sense descriptions 1341700daf5eSJustin T. Gibbs# SCSI_NO_OP_STRINGS: When defined disables opcode descriptions 134256234437SKenneth D. Merry# SCSI_DELAY: The number of MILLISECONDS to freeze the SIM (scsi adapter) 134356234437SKenneth D. Merry# queue after a bus reset, and the number of milliseconds to 13443a937198SBrooks Davis# freeze the device queue after a bus device reset. This 13453a937198SBrooks Davis# can be changed at boot and runtime with the 13463a937198SBrooks Davis# kern.cam.scsi_delay tunable/sysctl. 1347700daf5eSJustin T. Gibbsoptions CAMDEBUG 1348f0f25b9cSAlexander Motinoptions CAM_DEBUG_COMPILE=-1 1349f0f25b9cSAlexander Motinoptions CAM_DEBUG_FLAGS=(CAM_DEBUG_INFO|CAM_DEBUG_PROBE|CAM_DEBUG_PERIPH) 13505895e3c8SPeter Wemmoptions CAM_DEBUG_BUS=-1 13515895e3c8SPeter Wemmoptions CAM_DEBUG_TARGET=-1 13525895e3c8SPeter Wemmoptions CAM_DEBUG_LUN=-1 1353f0f25b9cSAlexander Motinoptions CAM_DEBUG_DELAY=1 13545895e3c8SPeter Wemmoptions CAM_MAX_HIGHPOWER=4 1355700daf5eSJustin T. Gibbsoptions SCSI_NO_SENSE_STRINGS 1356700daf5eSJustin T. Gibbsoptions SCSI_NO_OP_STRINGS 135732672ba8SAndre Oppermannoptions SCSI_DELAY=5000 # Be pessimistic about Joe SCSI device 1358a25d93e5SBjoern A. Zeeboptions CAM_IOSCHED_DYNAMIC 1359d38677d2SWarner Loshoptions CAM_TEST_FAILURE 13601a7c583cSGarrett Wollman 1361700daf5eSJustin T. Gibbs# Options for the CAM CDROM driver: 1362700daf5eSJustin T. Gibbs# CHANGER_MIN_BUSY_SECONDS: Guaranteed minimum time quantum for a changer LUN 1363700daf5eSJustin T. Gibbs# CHANGER_MAX_BUSY_SECONDS: Maximum time quantum per changer LUN, only 1364700daf5eSJustin T. Gibbs# enforced if there is I/O waiting for another LUN 1365700daf5eSJustin T. Gibbs# The compiled in defaults for these variables are 2 and 10 seconds, 1366700daf5eSJustin T. Gibbs# respectively. 136793063432SJoerg Wunsch# 1368700daf5eSJustin T. Gibbs# These can also be changed on the fly with the following sysctl variables: 1369700daf5eSJustin T. Gibbs# kern.cam.cd.changer.min_busy_seconds 1370700daf5eSJustin T. Gibbs# kern.cam.cd.changer.max_busy_seconds 137193063432SJoerg Wunsch# 13725895e3c8SPeter Wemmoptions CHANGER_MIN_BUSY_SECONDS=2 13735895e3c8SPeter Wemmoptions CHANGER_MAX_BUSY_SECONDS=10 137493063432SJoerg Wunsch 13759dfb4471SKenneth D. Merry# Options for the CAM sequential access driver: 1376b29f9e40SMatt Jacob# SA_IO_TIMEOUT: Timeout for read/write/wfm operations, in minutes 13779dfb4471SKenneth D. Merry# SA_SPACE_TIMEOUT: Timeout for space operations, in minutes 13789dfb4471SKenneth D. Merry# SA_REWIND_TIMEOUT: Timeout for rewind operations, in minutes 13799dfb4471SKenneth D. Merry# SA_ERASE_TIMEOUT: Timeout for erase operations, in minutes 13809f050ed5SMatt Jacob# SA_1FM_AT_EOD: Default to model which only has a default one filemark at EOT. 138125388b6cSBruce Evansoptions SA_IO_TIMEOUT=4 138225388b6cSBruce Evansoptions SA_SPACE_TIMEOUT=60 138325388b6cSBruce Evansoptions SA_REWIND_TIMEOUT=(2*60) 138425388b6cSBruce Evansoptions SA_ERASE_TIMEOUT=(4*60) 13859f050ed5SMatt Jacoboptions SA_1FM_AT_EOD 13869dfb4471SKenneth D. Merry 13873ece1bd2SKenneth D. Merry# Optional timeout for the CAM processor target (pt) device 13883ece1bd2SKenneth D. Merry# This is specified in seconds. The default is 60 seconds. 138925388b6cSBruce Evansoptions SCSI_PT_DEFAULT_TIMEOUT=60 13903ece1bd2SKenneth D. Merry 13918904e70bSMatt Jacob# Optional enable of doing SES passthrough on other devices (e.g., disks) 13928904e70bSMatt Jacob# 13938904e70bSMatt Jacob# Normally disabled because a lot of newer SCSI disks report themselves 13948904e70bSMatt Jacob# as having SES capabilities, but this can then clot up attempts to build 13959c0ef6d5SOliver Fromme# a topology with the SES device that's on the box these drives are in.... 13968904e70bSMatt Jacoboptions SES_ENABLE_PASSTHROUGH 13978904e70bSMatt Jacob 13986a8d6623SGarrett Wollman 13996a8d6623SGarrett Wollman##################################################################### 14006a8d6623SGarrett Wollman# MISCELLANEOUS DEVICES AND OPTIONS 14016a8d6623SGarrett Wollman 1402bc093719SEd Schoutendevice pty #BSD-style compatibility pseudo ttys 14036d823e81SJulian Elischerdevice nmdm #back-to-back tty devices 1404f71c01ccSPeter Wemmdevice md #Memory/malloc disk 1405932ef5b5SEd Schoutendevice snp #Snoop device - to look at pty/vty/etc.. 1406efacde1bSBrooks Davisdevice ccd #Concatenated disk driver 14076aec1278SMax Laierdevice firmware #firmware(9) support 1408be174c7eSGreg Lehey 14096f2d8adbSBoris Popov# Kernel side iconv library 14106f2d8adbSBoris Popovoptions LIBICONV 14116f2d8adbSBoris Popov 141258067a99SPoul-Henning Kamp# Size of the kernel message buffer. Should be N * pagesize. 14135895e3c8SPeter Wemmoptions MSGBUF_SIZE=40960 141458067a99SPoul-Henning Kamp 14156a8d6623SGarrett Wollman 14166a8d6623SGarrett Wollman##################################################################### 1417e131ba36SJohn Baldwin# HARDWARE BUS CONFIGURATION 1418e131ba36SJohn Baldwin 1419e131ba36SJohn Baldwin# 1420e131ba36SJohn Baldwin# PCI bus & PCI options: 1421e131ba36SJohn Baldwin# 1422e131ba36SJohn Baldwindevice pci 142382cb5c3bSJohn Baldwinoptions PCI_HP # PCI-Express native HotPlug 1424c41df401SJohn Baldwinoptions PCI_IOV # PCI SR-IOV support 1425e131ba36SJohn Baldwin 1426e131ba36SJohn Baldwin 1427e131ba36SJohn Baldwin##################################################################### 1428d61e6649SAlexander Langer# HARDWARE DEVICE CONFIGURATION 1429d61e6649SAlexander Langer 1430d61e6649SAlexander Langer# For ISA the required hints are listed. 143186d99b68SWarner Losh# PCI, CardBus, SD/MMC and pccard are self identifying buses, so 14325bcb64f2SWarner Losh# no hints are needed. 1433d61e6649SAlexander Langer 1434d61e6649SAlexander Langer# 1435d61e6649SAlexander Langer# Mandatory devices: 1436d61e6649SAlexander Langer# 1437d61e6649SAlexander Langer 14386e818956SDavid E. O'Brien# These options are valid for other keyboard drivers as well. 14396e818956SDavid E. O'Brienoptions KBD_DISABLE_KEYMAP_LOAD # refuse to load a keymap 14406e818956SDavid E. O'Brienoptions KBD_INSTALL_CDEV # install a CDEV entry in /dev 14416e818956SDavid E. O'Brien 144246360281SEd Mastedevice kbdmux # keyboard multiplexer 144346360281SEd Masteoptions KBDMUX_DFLT_KEYMAP # specify the built-in keymap 144446360281SEd Mastemakeoptions KBDMUX_DFLT_KEYMAP=it.iso 144546360281SEd Maste 14467f5092f3SJohn Baldwinoptions FB_DEBUG # Frame buffer debugging 14477f5092f3SJohn Baldwin 1448837f167eSRuslan Ermilovdevice splash # Splash screen and screen saver support 1449837f167eSRuslan Ermilov 1450905e8b43SDag-Erling Smørgrav# Various screen savers. 1451905e8b43SDag-Erling Smørgravdevice blank_saver 1452905e8b43SDag-Erling Smørgravdevice daemon_saver 1453905e8b43SDag-Erling Smørgravdevice dragon_saver 1454905e8b43SDag-Erling Smørgravdevice fade_saver 1455905e8b43SDag-Erling Smørgravdevice fire_saver 1456905e8b43SDag-Erling Smørgravdevice green_saver 1457905e8b43SDag-Erling Smørgravdevice logo_saver 1458905e8b43SDag-Erling Smørgravdevice rain_saver 1459905e8b43SDag-Erling Smørgravdevice snake_saver 1460905e8b43SDag-Erling Smørgravdevice star_saver 1461905e8b43SDag-Erling Smørgravdevice warp_saver 1462905e8b43SDag-Erling Smørgrav 14631c9c6382SRuslan Ermilov# The syscons console driver (SCO color console compatible). 1464f453022cSPeter Wemmdevice sc 1465f71c01ccSPeter Wemmhint.sc.0.at="isa" 1466683cbdf4SBruce Evansoptions MAXCONS=16 # number of virtual consoles 14676e8394b8SKazutaka YOKOTAoptions SC_ALT_MOUSE_IMAGE # simplified mouse cursor in text mode 14686e8394b8SKazutaka YOKOTAoptions SC_DFLT_FONT # compile font in 1469cc6c2ad0SPeter Wemmmakeoptions SC_DFLT_FONT=cp850 1470e2ee2173SMarcel Moolenaaroptions SC_DISABLE_KDBKEY # disable `debug' key 1471c4118fc0SKazutaka YOKOTAoptions SC_DISABLE_REBOOT # disable reboot key sequence 14726e8394b8SKazutaka YOKOTAoptions SC_HISTORY_SIZE=200 # number of history buffer lines 14736e8394b8SKazutaka YOKOTAoptions SC_MOUSE_CHAR=0x3 # char code for text mode mouse cursor 14746e8394b8SKazutaka YOKOTAoptions SC_PIXEL_MODE # add support for the raster text mode 147585e36760SJordan K. Hubbard 14767a88382dSKazutaka YOKOTA# The following options will let you change the default colors of syscons. 147725388b6cSBruce Evansoptions SC_NORM_ATTR=(FG_GREEN|BG_BLACK) 147825388b6cSBruce Evansoptions SC_NORM_REV_ATTR=(FG_YELLOW|BG_GREEN) 147925388b6cSBruce Evansoptions SC_KERNEL_CONS_ATTR=(FG_RED|BG_BLACK) 148097291303SBruce Evansoptions SC_KERNEL_CONS_ATTRS=\"\x0c\x0d\x0e\x0f\x02\x09\x0a\x0b\" 148125388b6cSBruce Evansoptions SC_KERNEL_CONS_REV_ATTR=(FG_BLACK|BG_RED) 14827a88382dSKazutaka YOKOTA 1483d51e8487SJosh Paetzel# The following options will let you change the default behavior of 148478f45204SMaxim Sobolev# cut-n-paste feature 148578f45204SMaxim Sobolevoptions SC_CUT_SPACES2TABS # convert leading spaces into tabs 148625388b6cSBruce Evansoptions SC_CUT_SEPCHARS=\"x09\" # set of characters that delimit words 148725388b6cSBruce Evans # (default is single space - \"x20\") 148878f45204SMaxim Sobolev 14897a88382dSKazutaka YOKOTA# If you have a two button mouse, you may want to add the following option 14907a88382dSKazutaka YOKOTA# to use the right button of the mouse to paste text. 14917a88382dSKazutaka YOKOTAoptions SC_TWOBUTTON_MOUSE 14927a88382dSKazutaka YOKOTA 14936e8394b8SKazutaka YOKOTA# You can selectively disable features in syscons. 14946e8394b8SKazutaka YOKOTAoptions SC_NO_CUTPASTE 14956e8394b8SKazutaka YOKOTAoptions SC_NO_FONT_LOADING 14966e8394b8SKazutaka YOKOTAoptions SC_NO_HISTORY 14976e62b069SMarius Strobloptions SC_NO_MODE_CHANGE 14986e8394b8SKazutaka YOKOTAoptions SC_NO_SYSMOUSE 1499c42946c4SMitsuru IWASAKIoptions SC_NO_SUSPEND_VTYSWITCH 15002ac8be82SAndreas Schulz 15018a28ce0eSJohn Baldwin# `flags' for sc 15028a28ce0eSJohn Baldwin# 0x80 Put the video card in the VESA 800x600 dots, 16 color mode 15038a28ce0eSJohn Baldwin# 0x100 Probe for a keyboard device periodically if one is not present 15048a28ce0eSJohn Baldwin 150583409a55SEd Schouten# Enable experimental features of the syscons terminal emulator (teken). 1506e42fc368SEd Schoutenoptions TEKEN_CONS25 # cons25-style terminal emulation 150783409a55SEd Schoutenoptions TEKEN_UTF8 # UTF-8 output handling 150883409a55SEd Schouten 1509ccbb7b5eSEd Maste# The vt video console driver. 1510ccbb7b5eSEd Mastedevice vt 1511ccbb7b5eSEd Masteoptions VT_ALT_TO_ESC_HACK=1 # Prepend ESC sequence to ALT keys 1512ccbb7b5eSEd Masteoptions VT_MAXWINDOWS=16 # Number of virtual consoles 1513ccbb7b5eSEd Masteoptions VT_TWOBUTTON_MOUSE # Use right mouse button to paste 1514ccbb7b5eSEd Maste 1515ccbb7b5eSEd Maste# The following options set the default framebuffer size. 1516ccbb7b5eSEd Masteoptions VT_FB_DEFAULT_HEIGHT=480 1517ccbb7b5eSEd Masteoptions VT_FB_DEFAULT_WIDTH=640 1518ccbb7b5eSEd Maste 1519ccbb7b5eSEd Maste# The following options will let you change the default vt terminal colors. 1520ccbb7b5eSEd Masteoptions TERMINAL_NORM_ATTR=(FG_GREEN|BG_BLACK) 1521ccbb7b5eSEd Masteoptions TERMINAL_KERN_ATTR=(FG_LIGHTRED|BG_BLACK) 1522ccbb7b5eSEd Maste 15231fe04850SBruce Evans# 1524d61e6649SAlexander Langer# Optional devices: 15256a8d6623SGarrett Wollman# 15266a8d6623SGarrett Wollman 15276a8d6623SGarrett Wollman# 1528d61e6649SAlexander Langer# SCSI host adapters: 15296a8d6623SGarrett Wollman# 15307f5092f3SJohn Baldwin# adv: All Narrow SCSI bus AdvanSys controllers. 1531859244a6SJustin T. Gibbs# adw: Second Generation AdvanSys controllers including the ADV940UW. 15326e818956SDavid E. O'Brien# aha: Adaptec 154x/1535/1640 1533d61e6649SAlexander Langer# ahc: Adaptec 274x/284x/2910/293x/294x/394x/3950x/3960x/398X/4944/ 1534d61e6649SAlexander Langer# 19160x/29160x, aic7770/aic78xx 1535cdd49e97SJustin T. Gibbs# ahd: Adaptec 29320/39320 Controllers. 15362b375b4eSYoshihiro Takahashi# aic: Adaptec 6260/6360, APA-1460 (PC Card) 15376e818956SDavid E. O'Brien# bt: Most Buslogic controllers: including BT-445, BT-54x, BT-64x, BT-74x, 15386e818956SDavid E. O'Brien# BT-75x, BT-946, BT-948, BT-956, BT-958, SDC3211B, SDC3211F, SDC3222F 1539a9ab459bSMarius Strobl# esp: Emulex ESP, NCR 53C9x and QLogic FAS families based controllers 1540a9ab459bSMarius Strobl# including the AMD Am53C974 (found on devices such as the Tekram 1541a9ab459bSMarius Strobl# DC-390(T)) and the Sun ESP and FAS families of controllers 1542d61e6649SAlexander Langer# isp: Qlogic ISP 1020, 1040 and 1040B PCI SCSI host adapters, 1543d61e6649SAlexander Langer# ISP 1240 Dual Ultra SCSI, ISP 1080 and 1280 (Dual) Ultra2, 1544d61e6649SAlexander Langer# ISP 12160 Ultra3 SCSI, 1545e8a0f829SMatt Jacob# Qlogic ISP 2100 and ISP 2200 1Gb Fibre Channel host adapters. 1546e8a0f829SMatt Jacob# Qlogic ISP 2300 and ISP 2312 2Gb Fibre Channel host adapters. 1547af606348SMatt Jacob# Qlogic ISP 2322 and ISP 6322 2Gb Fibre Channel host adapters. 1548ac918c84SMatt Jacob# ispfw: Firmware module for Qlogic host adapters 154964fa5108SMatt Jacob# mpt: LSI-Logic MPT/Fusion 53c1020 or 53c1030 Ultra4 155064fa5108SMatt Jacob# or FC9x9 Fibre Channel host adapters. 1551d61e6649SAlexander Langer# ncr: NCR 53C810, 53C825 self-contained SCSI host adapters. 1552fb91fd69SGerard Roudier# sym: Symbios/Logic 53C8XX family of PCI-SCSI I/O processors: 1553fb91fd69SGerard Roudier# 53C810, 53C810A, 53C815, 53C825, 53C825A, 53C860, 53C875, 1554fb91fd69SGerard Roudier# 53C876, 53C885, 53C895, 53C895A, 53C896, 53C897, 53C1510D, 1555fb91fd69SGerard Roudier# 53C1010-33, 53C1010-66. 1556f3d92b26SOlivier Houchard# trm: Tekram DC395U/UW/F DC315U adapters. 1557d61e6649SAlexander Langer 15586e818956SDavid E. O'Brien# 155986d99b68SWarner Losh# Note that the order is important in order for Buslogic ISA cards to be 15606e818956SDavid E. O'Brien# probed correctly. 15616e818956SDavid E. O'Brien# 15626e818956SDavid E. O'Briendevice bt 15636e818956SDavid E. O'Brienhint.bt.0.at="isa" 15646e818956SDavid E. O'Brienhint.bt.0.port="0x330" 15657f5092f3SJohn Baldwindevice adv 15667f5092f3SJohn Baldwinhint.adv.0.at="isa" 1567c9953c3bSPeter Wemmdevice adw 15686e818956SDavid E. O'Briendevice aha 15696e818956SDavid E. O'Brienhint.aha.0.at="isa" 15707f5092f3SJohn Baldwindevice aic 15717f5092f3SJohn Baldwinhint.aic.0.at="isa" 1572d61e6649SAlexander Langerdevice ahc 1573cdd49e97SJustin T. Gibbsdevice ahd 15741b946e21SScott Longdevice esp 1575c5933b20SScott Longdevice iscsi_initiator 1576d61e6649SAlexander Langerdevice isp 15770787f2b8SMatt Jacobhint.isp.0.disable="1" 15780787f2b8SMatt Jacobhint.isp.0.role="3" 15790787f2b8SMatt Jacobhint.isp.0.prefer_iomap="1" 15800787f2b8SMatt Jacobhint.isp.0.prefer_memmap="1" 15810787f2b8SMatt Jacobhint.isp.0.fwload_disable="1" 15820787f2b8SMatt Jacobhint.isp.0.ignore_nvram="1" 15830787f2b8SMatt Jacobhint.isp.0.fullduplex="1" 15840787f2b8SMatt Jacobhint.isp.0.topology="lport" 15850787f2b8SMatt Jacobhint.isp.0.topology="nport" 15860787f2b8SMatt Jacobhint.isp.0.topology="lport-only" 15870787f2b8SMatt Jacobhint.isp.0.topology="nport-only" 15880787f2b8SMatt Jacob# we can't get u_int64_t types, nor can we get strings if it's got 15890787f2b8SMatt Jacob# a leading 0x, hence this silly dodge. 15900787f2b8SMatt Jacobhint.isp.0.portwnn="w50000000aaaa0000" 15910787f2b8SMatt Jacobhint.isp.0.nodewnn="w50000000aaaa0001" 1592d61e6649SAlexander Langerdevice ispfw 159364fa5108SMatt Jacobdevice mpt 1594d61e6649SAlexander Langerdevice ncr 1595d61e6649SAlexander Langerdevice sym 1596f3d92b26SOlivier Houcharddevice trm 1597d61e6649SAlexander Langer 1598d61e6649SAlexander Langer# The aic7xxx driver will attempt to use memory mapped I/O for all PCI 1599d61e6649SAlexander Langer# controllers that have it configured only if this option is set. Unfortunately, 1600d61e6649SAlexander Langer# this doesn't work on some motherboards, which prevents it from being the 1601d61e6649SAlexander Langer# default. 1602d61e6649SAlexander Langeroptions AHC_ALLOW_MEMIO 1603d61e6649SAlexander Langer 1604fac70739SJeroen Ruigrok van der Werven# Dump the contents of the ahc controller configuration PROM. 1605fac70739SJeroen Ruigrok van der Wervenoptions AHC_DUMP_EEPROM 1606fac70739SJeroen Ruigrok van der Werven 1607fac70739SJeroen Ruigrok van der Werven# Bitmap of units to enable targetmode operations. 1608fac70739SJeroen Ruigrok van der Wervenoptions AHC_TMODE_ENABLE 1609fac70739SJeroen Ruigrok van der Werven 1610662d3818SScott Long# Compile in Aic7xxx Debugging code. 1611662d3818SScott Longoptions AHC_DEBUG 1612662d3818SScott Long 1613662d3818SScott Long# Aic7xxx driver debugging options. See sys/dev/aic7xxx/aic7xxx.h 1614662d3818SScott Longoptions AHC_DEBUG_OPTS 1615662d3818SScott Long 1616f8f8803bSBruce Evans# Print register bitfields in debug output. Adds ~128k to driver 1617f8f8803bSBruce Evans# See ahc(4). 1618662d3818SScott Longoptions AHC_REG_PRETTY_PRINT 1619662d3818SScott Long 1620cdd49e97SJustin T. Gibbs# Compile in aic79xx debugging code. 1621cdd49e97SJustin T. Gibbsoptions AHD_DEBUG 1622cdd49e97SJustin T. Gibbs 1623f8f8803bSBruce Evans# Aic79xx driver debugging options. Adds ~215k to driver. See ahd(4). 1624cdd49e97SJustin T. Gibbsoptions AHD_DEBUG_OPTS=0xFFFFFFFF 1625cdd49e97SJustin T. Gibbs 162643e9d8a3SScott Long# Print human-readable register definitions when debugging 162743e9d8a3SScott Longoptions AHD_REG_PRETTY_PRINT 162843e9d8a3SScott Long 1629662d3818SScott Long# Bitmap of units to enable targetmode operations. 1630662d3818SScott Longoptions AHD_TMODE_ENABLE 1631662d3818SScott Long 1632d61e6649SAlexander Langer# The adw driver will attempt to use memory mapped I/O for all PCI 1633d61e6649SAlexander Langer# controllers that have it configured only if this option is set. 1634d61e6649SAlexander Langeroptions ADW_ALLOW_MEMIO 1635d61e6649SAlexander Langer 1636c5933b20SScott Long# Options used in dev/iscsi (Software iSCSI stack) 1637c5933b20SScott Long# 1638c5933b20SScott Longoptions ISCSI_INITIATOR_DEBUG=9 1639c5933b20SScott Long 1640d61e6649SAlexander Langer# Options used in dev/isp/ (Qlogic SCSI/FC driver). 1641d61e6649SAlexander Langer# 1642d61e6649SAlexander Langer# ISP_TARGET_MODE - enable target mode operation 1643d61e6649SAlexander Langer# 164464fa5108SMatt Jacoboptions ISP_TARGET_MODE=1 1645af606348SMatt Jacob# 16469a1b0d43SMatt Jacob# ISP_DEFAULT_ROLES - default role 16479a1b0d43SMatt Jacob# none=0 16489a1b0d43SMatt Jacob# target=1 16499a1b0d43SMatt Jacob# initiator=2 16509a1b0d43SMatt Jacob# both=3 (not supported currently) 1651af606348SMatt Jacob# 165215f0f952SMatt Jacob# ISP_INTERNAL_TARGET (trivial internal disk target, for testing) 165315f0f952SMatt Jacob# 1654e2873b76SMatt Jacoboptions ISP_DEFAULT_ROLES=0 1655d61e6649SAlexander Langer 1656d61e6649SAlexander Langer# Options used in dev/sym/ (Symbios SCSI driver). 1657d61e6649SAlexander Langer#options SYM_SETUP_LP_PROBE_MAP #-Low Priority Probe Map (bits) 1658d61e6649SAlexander Langer # Allows the ncr to take precedence 1659d61e6649SAlexander Langer # 1 (1<<0) -> 810a, 860 1660d61e6649SAlexander Langer # 2 (1<<1) -> 825a, 875, 885, 895 1661d61e6649SAlexander Langer # 4 (1<<2) -> 895a, 896, 1510d 1662d61e6649SAlexander Langer#options SYM_SETUP_SCSI_DIFF #-HVD support for 825a, 875, 885 1663d61e6649SAlexander Langer # disabled:0 (default), enabled:1 1664d61e6649SAlexander Langer#options SYM_SETUP_PCI_PARITY #-PCI parity checking 1665d61e6649SAlexander Langer # disabled:0, enabled:1 (default) 1666d61e6649SAlexander Langer#options SYM_SETUP_MAX_LUN #-Number of LUNs supported 1667d61e6649SAlexander Langer # default:8, range:[1..64] 16686a8d6623SGarrett Wollman 16696e818956SDavid E. O'Brien# The 'dpt' driver provides support for old DPT controllers (http://www.dpt.com/). 16706e818956SDavid E. O'Brien# These have hardware RAID-{0,1,5} support, and do multi-initiator I/O. 16716e818956SDavid E. O'Brien# The DPT controllers are commonly re-licensed under other brand-names - 16726e818956SDavid E. O'Brien# some controllers by Olivetti, Dec, HP, AT&T, SNI, AST, Alphatronic, NEC and 16736e818956SDavid E. O'Brien# Compaq are actually DPT controllers. 16746e818956SDavid E. O'Brien# 16756e818956SDavid E. O'Brien# See src/sys/dev/dpt for debugging and other subtle options. 16766e818956SDavid E. O'Brien# DPT_MEASURE_PERFORMANCE Enables a set of (semi)invasive metrics. Various 16776e818956SDavid E. O'Brien# instruments are enabled. The tools in 16786e818956SDavid E. O'Brien# /usr/sbin/dpt_* assume these to be enabled. 16796e818956SDavid E. O'Brien# DPT_DEBUG_xxxx These are controllable from sys/dev/dpt/dpt.h 16806e818956SDavid E. O'Brien# DPT_RESET_HBA Make "reset" actually reset the controller 16816e818956SDavid E. O'Brien# instead of fudging it. Only enable this if you 16826e818956SDavid E. O'Brien# are 100% certain you need it. 16836e818956SDavid E. O'Brien 16846e818956SDavid E. O'Briendevice dpt 16856e818956SDavid E. O'Brien 16866e818956SDavid E. O'Brien# DPT options 16876e818956SDavid E. O'Brien#!CAM# options DPT_MEASURE_PERFORMANCE 16886e818956SDavid E. O'Brienoptions DPT_RESET_HBA 16896e818956SDavid E. O'Brien 16906e818956SDavid E. O'Brien# 16916e818956SDavid E. O'Brien# Compaq "CISS" RAID controllers (SmartRAID 5* series) 16926e818956SDavid E. O'Brien# These controllers have a SCSI-like interface, and require the 16936e818956SDavid E. O'Brien# CAM infrastructure. 16946e818956SDavid E. O'Brien# 16956e818956SDavid E. O'Briendevice ciss 16966e818956SDavid E. O'Brien 16976e818956SDavid E. O'Brien# 16986e818956SDavid E. O'Brien# Intel Integrated RAID controllers. 16996e818956SDavid E. O'Brien# This driver was developed and is maintained by Intel. Contacts 17006e818956SDavid E. O'Brien# at Intel for this driver are 17016e818956SDavid E. O'Brien# "Kannanthanam, Boji T" <boji.t.kannanthanam@intel.com> and 17026e818956SDavid E. O'Brien# "Leubner, Achim" <achim.leubner@intel.com>. 17036e818956SDavid E. O'Brien# 17046e818956SDavid E. O'Briendevice iir 17056e818956SDavid E. O'Brien 17066e818956SDavid E. O'Brien# 17076e818956SDavid E. O'Brien# Mylex AcceleRAID and eXtremeRAID controllers with v6 and later 17086e818956SDavid E. O'Brien# firmware. These controllers have a SCSI-like interface, and require 17096e818956SDavid E. O'Brien# the CAM infrastructure. 17106e818956SDavid E. O'Brien# 17116e818956SDavid E. O'Briendevice mly 17126e818956SDavid E. O'Brien 17136e818956SDavid E. O'Brien# 17146e818956SDavid E. O'Brien# Compaq Smart RAID, Mylex DAC960 and AMI MegaRAID controllers. Only 17156e818956SDavid E. O'Brien# one entry is needed; the code will find and configure all supported 17166e818956SDavid E. O'Brien# controllers. 17176e818956SDavid E. O'Brien# 17186e818956SDavid E. O'Briendevice ida # Compaq Smart RAID 17196e818956SDavid E. O'Briendevice mlx # Mylex DAC960 17206e818956SDavid E. O'Briendevice amr # AMI MegaRAID 172164c71632SScott Longdevice amrp # SCSI Passthrough interface (optional, CAM req.) 17227f631a41SScott Longdevice mfi # LSI MegaRAID SAS 1723f366931cSScott Longdevice mfip # LSI MegaRAID SAS passthrough, requires CAM 17246b31d3f7SScott Longoptions MFI_DEBUG 1725a58b4afaSMark Johnstondevice mrsas # LSI/Avago MegaRAID SAS/SATA, 6Gb/s and 12Gb/s 17266e818956SDavid E. O'Brien 17276e818956SDavid E. O'Brien# 17286e818956SDavid E. O'Brien# 3ware ATA RAID 17296e818956SDavid E. O'Brien# 17306e818956SDavid E. O'Briendevice twe # 3ware ATA RAID 17316e818956SDavid E. O'Brien 173290d3341eSPeter Wemm# 1733e19ef875SAlexander Motin# Serial ATA host controllers: 1734e19ef875SAlexander Motin# 1735e19ef875SAlexander Motin# ahci: Advanced Host Controller Interface (AHCI) compatible 1736dd48af36SAlexander Motin# mvs: Marvell 88SX50XX/88SX60XX/88SX70XX/SoC controllers 1737e19ef875SAlexander Motin# siis: SiliconImage SiI3124/SiI3132/SiI3531 controllers 17381a00526bSAlexander Motin# 17391a00526bSAlexander Motin# These drivers are part of cam(4) subsystem. They supersede less featured 17401a00526bSAlexander Motin# ata(4) subsystem drivers, supporting same hardware. 1741e19ef875SAlexander Motin 1742e19ef875SAlexander Motindevice ahci 1743dd48af36SAlexander Motindevice mvs 1744e19ef875SAlexander Motindevice siis 1745e19ef875SAlexander Motin 1746e19ef875SAlexander Motin# 174745f6d665SAlexander Motin# The 'ATA' driver supports all legacy ATA/ATAPI controllers, including 174845f6d665SAlexander Motin# PC Card devices. You only need one "device ata" for it to find all 17496d04301dSAlexander Langer# PCI and PC Card ATA/ATAPI devices on modern machines. 1750c4bda3c6SAlexander Motin# Alternatively, individual bus and chipset drivers may be chosen by using 1751c4bda3c6SAlexander Motin# the 'atacore' driver then selecting the drivers on a per vendor basis. 1752c4bda3c6SAlexander Motin# For example to build a system which only supports a VIA chipset, 1753c4bda3c6SAlexander Motin# omit 'ata' and include the 'atacore', 'atapci' and 'atavia' drivers. 1754c9953c3bSPeter Wemmdevice ata 1755c4bda3c6SAlexander Motin 1756c4bda3c6SAlexander Motin# Modular ATA 1757c4bda3c6SAlexander Motin#device atacore # Core ATA functionality 1758c4bda3c6SAlexander Motin#device atacard # CARDBUS support 1759c4bda3c6SAlexander Motin#device ataisa # ISA bus support 1760c4bda3c6SAlexander Motin#device atapci # PCI bus support; only generic chipset support 1761c4bda3c6SAlexander Motin 1762c4bda3c6SAlexander Motin# PCI ATA chipsets 1763c4bda3c6SAlexander Motin#device ataacard # ACARD 1764c4bda3c6SAlexander Motin#device ataacerlabs # Acer Labs Inc. (ALI) 1765c4bda3c6SAlexander Motin#device ataamd # American Micro Devices (AMD) 1766c4bda3c6SAlexander Motin#device ataati # ATI 1767c4bda3c6SAlexander Motin#device atacenatek # Cenatek 1768c4bda3c6SAlexander Motin#device atacypress # Cypress 1769c4bda3c6SAlexander Motin#device atacyrix # Cyrix 1770c4bda3c6SAlexander Motin#device atahighpoint # HighPoint 1771c4bda3c6SAlexander Motin#device ataintel # Intel 1772c4bda3c6SAlexander Motin#device ataite # Integrated Technology Inc. (ITE) 1773c4bda3c6SAlexander Motin#device atajmicron # JMicron 1774c4bda3c6SAlexander Motin#device atamarvell # Marvell 1775c4bda3c6SAlexander Motin#device atamicron # Micron 1776c4bda3c6SAlexander Motin#device atanational # National 1777c4bda3c6SAlexander Motin#device atanetcell # NetCell 1778c4bda3c6SAlexander Motin#device atanvidia # nVidia 1779c4bda3c6SAlexander Motin#device atapromise # Promise 1780c4bda3c6SAlexander Motin#device ataserverworks # ServerWorks 1781c4bda3c6SAlexander Motin#device atasiliconimage # Silicon Image Inc. (SiI) (formerly CMD) 1782c4bda3c6SAlexander Motin#device atasis # Silicon Integrated Systems Corp.(SiS) 1783c4bda3c6SAlexander Motin#device atavia # VIA Technologies Inc. 1784c4bda3c6SAlexander Motin 17858b89ef0aSSøren Schmidt# 17866d04301dSAlexander Langer# For older non-PCI, non-PnPBIOS systems, these are the hints lines to add: 17876d04301dSAlexander Langerhint.ata.0.at="isa" 17886d04301dSAlexander Langerhint.ata.0.port="0x1f0" 17896d04301dSAlexander Langerhint.ata.0.irq="14" 17906d04301dSAlexander Langerhint.ata.1.at="isa" 17916d04301dSAlexander Langerhint.ata.1.port="0x170" 17926d04301dSAlexander Langerhint.ata.1.irq="15" 17936d04301dSAlexander Langer 17946d04301dSAlexander Langer# 1795000da71aSSøren Schmidt# The following options are valid on the ATA driver: 1796000da71aSSøren Schmidt# 17976fb5300bSAlexander Motin# ATA_REQUEST_TIMEOUT: the number of seconds to wait for an ATA request 17986fb5300bSAlexander Motin# before timing out. 179974d8e840SSøren Schmidt 18006fb5300bSAlexander Motin#options ATA_REQUEST_TIMEOUT=10 180174d8e840SSøren Schmidt 18028b89ef0aSSøren Schmidt# 18036d04301dSAlexander Langer# Standard floppy disk controllers and floppy tapes, supports 18046d04301dSAlexander Langer# the Y-E DATA External FDD (PC Card) 18056a8d6623SGarrett Wollman# 1806f71c01ccSPeter Wemmdevice fdc 1807f71c01ccSPeter Wemmhint.fdc.0.at="isa" 1808f71c01ccSPeter Wemmhint.fdc.0.port="0x3F0" 1809f71c01ccSPeter Wemmhint.fdc.0.irq="6" 1810f71c01ccSPeter Wemmhint.fdc.0.drq="2" 181185827d9cSJoerg Wunsch# 1812fc5bae39SSevan Janiyan# FDC_DEBUG enables floppy debugging. Since the debug output is huge, you 1813fc5bae39SSevan Janiyan# gotta turn it actually on by setting the variable fd_debug with DDB, 1814fc5bae39SSevan Janiyan# however. 1815fc5bae39SSevan Janiyanoptions FDC_DEBUG 1816fc5bae39SSevan Janiyan# 1817f71c01ccSPeter Wemm# Activate this line if you happen to have an Insight floppy tape. 1818f71c01ccSPeter Wemm# Probing them proved to be dangerous for people with floppy disks only, 1819f71c01ccSPeter Wemm# so it's "hidden" behind a flag: 1820f71c01ccSPeter Wemm#hint.fdc.0.flags="1" 182185827d9cSJoerg Wunsch 1822f71c01ccSPeter Wemm# Specify floppy devices 1823f71c01ccSPeter Wemmhint.fd.0.at="fdc0" 1824f71c01ccSPeter Wemmhint.fd.0.drive="0" 1825f71c01ccSPeter Wemmhint.fd.1.at="fdc0" 1826f71c01ccSPeter Wemmhint.fd.1.drive="1" 182785827d9cSJoerg Wunsch 18286a8d6623SGarrett Wollman# 1829501ef98fSMarcel Moolenaar# uart: newbusified driver for serial interfaces. It consolidates the sio(4), 1830501ef98fSMarcel Moolenaar# sab(4) and zs(4) drivers. 1831c8956b36SMarcel Moolenaar# 1832501ef98fSMarcel Moolenaardevice uart 1833501ef98fSMarcel Moolenaar 18348194412bSMarcel Moolenaar# Options for uart(4) 18358194412bSMarcel Moolenaaroptions UART_PPS_ON_CTS # Do time pulse capturing using CTS 18368194412bSMarcel Moolenaar # instead of DCD. 18371662b008SIan Leporeoptions UART_POLL_FREQ # Set polling rate, used when hw has 18381662b008SIan Lepore # no interrupt support (50 Hz default). 18398194412bSMarcel Moolenaar 1840501ef98fSMarcel Moolenaar# The following hint should only be used for pure ISA devices. It is not 1841501ef98fSMarcel Moolenaar# needed otherwise. Use of hints is strongly discouraged. 1842501ef98fSMarcel Moolenaarhint.uart.0.at="isa" 1843501ef98fSMarcel Moolenaar 1844c8956b36SMarcel Moolenaar# The following 3 hints are used when the UART is a system device (i.e., a 1845c8956b36SMarcel Moolenaar# console or debug port), but only on platforms that don't have any other 1846c8956b36SMarcel Moolenaar# means to pass the information to the kernel. The unit number of the hint 1847c8956b36SMarcel Moolenaar# is only used to bundle the hints together. There is no relation to the 1848c8956b36SMarcel Moolenaar# unit number of the probed UART. 1849501ef98fSMarcel Moolenaarhint.uart.0.port="0x3f8" 1850501ef98fSMarcel Moolenaarhint.uart.0.flags="0x10" 1851501ef98fSMarcel Moolenaarhint.uart.0.baud="115200" 1852501ef98fSMarcel Moolenaar 1853501ef98fSMarcel Moolenaar# `flags' for serial drivers that support consoles like sio(4) and uart(4): 1854c8956b36SMarcel Moolenaar# 0x10 enable console support for this unit. Other console flags 1855c8956b36SMarcel Moolenaar# (if applicable) are ignored unless this is set. Enabling 1856c8956b36SMarcel Moolenaar# console support does not make the unit the preferred console. 1857c8956b36SMarcel Moolenaar# Boot with -h or set boot_serial=YES in the loader. For sio(4) 1858c8956b36SMarcel Moolenaar# specifically, the 0x20 flag can also be set (see above). 1859c8956b36SMarcel Moolenaar# Currently, at most one unit can have console support; the 1860c8956b36SMarcel Moolenaar# first one (in config file order) with this flag set is 1861d51e8487SJosh Paetzel# preferred. Setting this flag for sio0 gives the old behavior. 1862c8956b36SMarcel Moolenaar# 0x80 use this port for serial line gdb support in ddb. Also known 1863c8956b36SMarcel Moolenaar# as debug port. 18649546766aSBruce Evans# 18659546766aSBruce Evans 1866501ef98fSMarcel Moolenaar# Options for serial drivers that support consoles: 186791ed2fecSJohn-Mark Gurneyoptions BREAK_TO_DEBUGGER # A BREAK/DBG on the console goes to 1868c8956b36SMarcel Moolenaar # ddb, if available. 18696a8d6623SGarrett Wollman 187026b6ea69SPaul Saab# Solaris implements a new BREAK which is initiated by a character 187126b6ea69SPaul Saab# sequence CR ~ ^b which is similar to a familiar pattern used on 18729c0ef6d5SOliver Fromme# Sun servers by the Remote Console. There are FreeBSD extensions: 1873c7b3d8e2SMaxim Konovalov# CR ~ ^p requests force panic and CR ~ ^r requests a clean reboot. 187426b6ea69SPaul Saaboptions ALT_BREAK_TO_DEBUGGER 187526b6ea69SPaul Saab 1876af2e25a6SMarcel Moolenaar# Serial Communications Controller 1877af2e25a6SMarcel Moolenaar# Supports the Siemens SAB 82532 and Zilog Z8530 multi-channel 1878af2e25a6SMarcel Moolenaar# communications controllers. 1879af2e25a6SMarcel Moolenaardevice scc 1880af2e25a6SMarcel Moolenaar 18819c564b6cSJohn Hay# PCI Universal Communications driver 188264220a7eSMarcel Moolenaar# Supports various multi port PCI I/O cards. 18839c564b6cSJohn Haydevice puc 18849c564b6cSJohn Hay 18856a8d6623SGarrett Wollman# 1886d61e6649SAlexander Langer# Network interfaces: 18876a8d6623SGarrett Wollman# 1888dfd77572SJohn Baldwin# MII bus support is required for many PCI Ethernet NICs, 1889d61e6649SAlexander Langer# namely those which use MII-compliant transceivers or implement 18903c7c6c12SMike Pritchard# transceiver control interfaces that operate like an MII. Adding 18918c1093fcSMarius Strobl# "device miibus" to the kernel config pulls in support for the generic 18928c1093fcSMarius Strobl# miibus API, the common support for for bit-bang'ing the MII and all 18938c1093fcSMarius Strobl# of the PHY drivers, including a generic one for PHYs that aren't 18948c1093fcSMarius Strobl# specifically handled by an individual driver. Support for specific 18958c1093fcSMarius Strobl# PHYs may be built by adding "device mii", "device mii_bitbang" if 18968c1093fcSMarius Strobl# needed by the NIC driver and then adding the appropriate PHY driver. 1897dfd77572SJohn Baldwindevice mii # Minimal MII support 18988c1093fcSMarius Strobldevice mii_bitbang # Common module for bit-bang'ing the MII 18998c1093fcSMarius Strobldevice miibus # MII support w/ bit-bang'ing and all PHYs 1900dfd77572SJohn Baldwin 1901dfd77572SJohn Baldwindevice acphy # Altima Communications AC101 1902dfd77572SJohn Baldwindevice amphy # AMD AM79c873 / Davicom DM910{1,2} 1903dfd77572SJohn Baldwindevice atphy # Attansic/Atheros F1 1904dfd77572SJohn Baldwindevice axphy # Asix Semiconductor AX88x9x 1905dfd77572SJohn Baldwindevice bmtphy # Broadcom BCM5201/BCM5202 and 3Com 3c905C 1906d933e97fSStephen Hurddevice bnxt # Broadcom NetXtreme-C/NetXtreme-E 1907dfd77572SJohn Baldwindevice brgphy # Broadcom BCM54xx/57xx 1000baseTX 1908dfd77572SJohn Baldwindevice ciphy # Cicada/Vitesse CS/VSC8xxx 1909dfd77572SJohn Baldwindevice e1000phy # Marvell 88E1000 1000/100/10-BT 1910dfd77572SJohn Baldwindevice gentbi # Generic 10-bit 1000BASE-{LX,SX} fiber ifaces 1911dfd77572SJohn Baldwindevice icsphy # ICS ICS1889-1893 1912dfd77572SJohn Baldwindevice ip1000phy # IC Plus IP1000A/IP1001 1913dfd77572SJohn Baldwindevice jmphy # JMicron JMP211/JMP202 1914dfd77572SJohn Baldwindevice lxtphy # Level One LXT-970 1915dfd77572SJohn Baldwindevice mlphy # Micro Linear 6692 1916dfd77572SJohn Baldwindevice nsgphy # NatSemi DP8361/DP83865/DP83891 1917dfd77572SJohn Baldwindevice nsphy # NatSemi DP83840A 1918dfd77572SJohn Baldwindevice nsphyter # NatSemi DP83843/DP83815 1919dfd77572SJohn Baldwindevice pnaphy # HomePNA 1920dfd77572SJohn Baldwindevice qsphy # Quality Semiconductor QS6612 1921e6713fe5SPyun YongHyeondevice rdcphy # RDC Semiconductor R6040 1922dfd77572SJohn Baldwindevice rgephy # RealTek 8169S/8110S/8211B/8211C 1923dfd77572SJohn Baldwindevice rlphy # RealTek 8139 1924dfd77572SJohn Baldwindevice rlswitch # RealTek 8305 1925dfd77572SJohn Baldwindevice smcphy # SMSC LAN91C111 1926dfd77572SJohn Baldwindevice tdkphy # TDK 89Q2120 1927dfd77572SJohn Baldwindevice tlphy # Texas Instruments ThunderLAN 1928dfd77572SJohn Baldwindevice truephy # LSI TruePHY 1929dfd77572SJohn Baldwindevice xmphy # XaQti XMAC II 1930d61e6649SAlexander Langer 19317f5092f3SJohn Baldwin# an: Aironet 4500/4800 802.11 wireless adapters. Supports the PCMCIA, 19327f5092f3SJohn Baldwin# PCI and ISA varieties. 1933ba26d470SStanislav Sedov# ae: Support for gigabit ethernet adapters based on the Attansic/Atheros 1934ba26d470SStanislav Sedov# L2 PCI-Express FastEthernet controllers. 1935cfef026aSPyun YongHyeon# age: Support for gigabit ethernet adapters based on the Attansic/Atheros 1936cfef026aSPyun YongHyeon# L1 PCI express gigabit ethernet controllers. 1937d68875ebSPyun YongHyeon# alc: Support for Atheros AR8131/AR8132 PCIe ethernet controllers. 19383c6e15bcSPyun YongHyeon# ale: Support for Atheros AR8121/AR8113/AR8114 PCIe ethernet controllers. 1939390cee87SJohn Baldwin# ath: Atheros a/b/g WiFi adapters (requires ath_hal and wlan) 1940343ed0a8SJohn Baldwin# bce: Broadcom NetXtreme II (BCM5706/BCM5708) PCI/PCIe Gigabit Ethernet 1941343ed0a8SJohn Baldwin# adapters. 1942343ed0a8SJohn Baldwin# bfe: Broadcom BCM4401 Ethernet adapter. 194395d67482SBill Paul# bge: Support for gigabit ethernet adapters based on the Broadcom 1944586d7c2eSJohn Polstra# BCM570x family of controllers, including the 3Com 3c996-T, 1945586d7c2eSJohn Polstra# the Netgear GA302T, the SysKonnect SK-9D21 and SK-9D41, and 1946586d7c2eSJohn Polstra# the embedded gigE NICs on Dell PowerEdge 2550 servers. 1947d933e97fSStephen Hurd# bnxt: Broadcom NetXtreme-C and NetXtreme-E PCIe 10/25/50G Ethernet adapters. 19484e400768SDavid Christensen# bxe: Broadcom NetXtreme II (BCM5771X/BCM578XX) PCIe 10Gb Ethernet 1949dd46ab31SDavid Christensen# adapters. 19503132ad0dSWarner Losh# bwi: Broadcom BCM430* and BCM431* family of wireless adapters. 1951eb5ef23cSWeongyo Jeong# bwn: Broadcom BCM43xx family of wireless adapters. 1952119051cbSMarius Strobl# cas: Sun Cassini/Cassini+ and National Semiconductor DP83065 Saturn 1953ca7fe84aSNavdeep Parhar# cxgb: Chelsio T3 based 1GbE/10GbE PCIe Ethernet adapters. 1954a74031a5SJohn Baldwin# cxgbe:Chelsio T4, T5, and T6-based 1/10/25/40/100GbE PCIe Ethernet 195524957938SJohn Baldwin# adapters. 195624957938SJohn Baldwin# cxgbev: Chelsio T4, T5, and T6-based PCIe Virtual Functions. 1957d61e6649SAlexander Langer# dc: Support for PCI fast ethernet adapters based on the DEC/Intel 21143 1958d61e6649SAlexander Langer# and various workalikes including: 1959d61e6649SAlexander Langer# the ADMtek AL981 Comet and AN985 Centaur, the ASIX Electronics 1960d61e6649SAlexander Langer# AX88140A and AX88141, the Davicom DM9100 and DM9102, the Lite-On 1961d61e6649SAlexander Langer# 82c168 and 82c169 PNIC, the Lite-On/Macronix LC82C115 PNIC II 1962d61e6649SAlexander Langer# and the Macronix 98713/98713A/98715/98715A/98725 PMAC. This driver 1963d61e6649SAlexander Langer# replaces the old al, ax, dm, pn and mx drivers. List of brands: 1964d61e6649SAlexander Langer# Digital DE500-BA, Kingston KNE100TX, D-Link DFE-570TX, SOHOware SFA110, 1965d61e6649SAlexander Langer# SVEC PN102-TX, CNet Pro110B, 120A, and 120B, Compex RL100-TX, 1966d61e6649SAlexander Langer# LinkSys LNE100TX, LNE100TX V2.0, Jaton XpressNet, Alfa Inc GFC2204, 1967d61e6649SAlexander Langer# KNE110TX. 1968d61e6649SAlexander Langer# de: Digital Equipment DC21040 1969a59716d2SPrafulla Deuskar# em: Intel Pro/1000 Gigabit Ethernet 82542, 82543, 82544 based adapters. 19707f5092f3SJohn Baldwin# ep: 3Com 3C509, 3C529, 3C556, 3C562D, 3C563D, 3C572, 3C574X, 3C579, 3C589 19717f5092f3SJohn Baldwin# and PC Card devices using these chipsets. 19727f5092f3SJohn Baldwin# ex: Intel EtherExpress Pro/10 and other i82595-based adapters, 19737f5092f3SJohn Baldwin# Olicom Ethernet PC Card devices. 19747f5092f3SJohn Baldwin# fe: Fujitsu MB86960A/MB86965A Ethernet 1975d61e6649SAlexander Langer# fxp: Intel EtherExpress Pro/100B 1976cf87044eSMatt Jacob# (hint of prefer_iomap can be done to prefer I/O instead of Mem mapping) 19771ed3fed7SMarius Strobl# gem: Apple GMAC/Sun ERI/Sun GEM 197852c07e1cSMarius Strobl# hme: Sun HME (Happy Meal Ethernet) 197975a1bf5fSPyun YongHyeon# jme: JMicron JMC260 Fast Ethernet/JMC250 Gigabit Ethernet based adapters. 198044ac0964SMarius Strobl# le: AMD Am7900 LANCE and Am79C9xx PCnet 1981c678bc4fSBill Paul# lge: Support for PCI gigabit ethernet adapters based on the Level 1 1982c678bc4fSBill Paul# LXT1001 NetCellerator chipset. This includes the D-Link DGE-500SX, 1983c678bc4fSBill Paul# SMC TigerCard 1000 (SMC9462SX), and some Addtron cards. 1984f173c2b7SSean Bruno# lio: Support for Cavium 23XX Ethernet adapters 1985d1f25d5dSBernhard Schmidt# malo: Marvell Libertas wireless NICs. 1986d1f25d5dSBernhard Schmidt# mwl: Marvell 88W8363 802.11n wireless NICs. 1987778eefa4SJohn Baldwin# Requires the mwl firmware module 1988778eefa4SJohn Baldwin# mwlfw: Marvell 88W8363 firmware 1989c9d21ce9SPyun YongHyeon# msk: Support for gigabit ethernet adapters based on the Marvell/SysKonnect 1990c9d21ce9SPyun YongHyeon# Yukon II Gigabit controllers, including 88E8021, 88E8022, 88E8061, 1991c9d21ce9SPyun YongHyeon# 88E8062, 88E8035, 88E8036, 88E8038, 88E8050, 88E8052, 88E8053, 1992c9d21ce9SPyun YongHyeon# 88E8055, 88E8056 and D-Link 560T/550SX. 199322f2c49aSHans Petter Selasky# mlx5: Mellanox ConnectX-4 and ConnectX-4 LX IB and Eth shared code module. 199422f2c49aSHans Petter Selasky# mlx5en:Mellanox ConnectX-4 and ConnectX-4 LX PCIe Ethernet adapters. 1995d3d67116SMaxim Sobolev# my: Myson Fast Ethernet (MTD80X, MTD89X) 1996ce4946daSBill Paul# nge: Support for PCI gigabit ethernet adapters based on the National 1997ce4946daSBill Paul# Semiconductor DP83820 and DP83821 chipset. This includes the 1998ce4946daSBill Paul# SMC EZ Card 1000 (SMC9462TX), D-Link DGE-500T, Asante FriendlyNet 1999cc2824b8SBjoern A. Zeeb# GigaNIX 1000TA and 1000TPC, the Addtron AEG320T, the Surecom 2000cc2824b8SBjoern A. Zeeb# EP-320G-TX and the Netgear GA622T. 20012f345d8eSLuigi Rizzo# oce: Emulex 10 Gbit adapters (OneConnect Ethernet) 200241f7d2d5SBill Paul# pcn: Support for PCI fast ethernet adapters based on the AMD Am79c97x 20030fd7564eSMarius Strobl# PCnet-FAST, PCnet-FAST+, PCnet-FAST III, PCnet-PRO and PCnet-Home 20040fd7564eSMarius Strobl# chipsets. These can also be handled by the le(4) driver if the 20050fd7564eSMarius Strobl# pcn(4) driver is left out of the kernel. The le(4) driver does not 20060fd7564eSMarius Strobl# support the additional features like the MII bus and burst mode of 20070fd7564eSMarius Strobl# the PCnet-FAST and greater chipsets though. 2008390cee87SJohn Baldwin# ral: Ralink Technology IEEE 802.11 wireless adapter 20090587cad8SPyun YongHyeon# re: RealTek 8139C+/8169/816xS/811xS/8101E PCI/PCIe Ethernet adapter 2010d61e6649SAlexander Langer# rl: Support for PCI fast ethernet adapters based on the RealTek 8129/8139 2011d61e6649SAlexander Langer# chipset. Note that the RealTek driver defaults to using programmed 2012d61e6649SAlexander Langer# I/O to do register accesses because memory mapped mode seems to cause 2013d61e6649SAlexander Langer# severe lockups on SMP hardware. This driver also supports the 2014d61e6649SAlexander Langer# Accton EN1207D `Cheetah' adapter, which uses a chip called 2015d61e6649SAlexander Langer# the MPX 5030/5038, which is either a RealTek in disguise or a 2016d61e6649SAlexander Langer# RealTek workalike. Note that the D-Link DFE-530TX+ uses the RealTek 2017d61e6649SAlexander Langer# chipset and is supported by this driver, not the 'vr' driver. 2018b38b13d8SKevin Lo# rtwn: RealTek wireless adapters. 2019b38b13d8SKevin Lo# rtwnfw: RealTek wireless firmware. 2020d61e6649SAlexander Langer# sf: Support for Adaptec Duralink PCI fast ethernet adapters based on the 2021d61e6649SAlexander Langer# Adaptec AIC-6915 "starfire" controller. 2022d61e6649SAlexander Langer# This includes dual and quad port cards, as well as one 100baseFX card. 2023d61e6649SAlexander Langer# Most of these are 64-bit PCI devices, except for one single port 2024d61e6649SAlexander Langer# card which is 32-bit. 2025d193ed0bSPyun YongHyeon# sge: Silicon Integrated Systems SiS190/191 Fast/Gigabit Ethernet adapter 2026b2ca5572SAlexander Langer# sis: Support for NICs based on the Silicon Integrated Systems SiS 900, 2027b2ca5572SAlexander Langer# SiS 7016 and NS DP83815 PCI fast ethernet controller chips. 2028d61e6649SAlexander Langer# sk: Support for the SysKonnect SK-984x series PCI gigabit ethernet NICs. 2029d61e6649SAlexander Langer# This includes the SK-9841 and SK-9842 single port cards (single mode 2030d61e6649SAlexander Langer# and multimode fiber) and the SK-9843 and SK-9844 dual port cards 2031d61e6649SAlexander Langer# (also single mode and multimode). 2032d61e6649SAlexander Langer# The driver will autodetect the number of ports on the card and 2033d61e6649SAlexander Langer# attach each one as a separate network interface. 20347f5092f3SJohn Baldwin# sn: Support for ISA and PC Card Ethernet devices using the 20357f5092f3SJohn Baldwin# SMC91C90/92/94/95 chips. 2036d61e6649SAlexander Langer# ste: Sundance Technologies ST201 PCI fast ethernet controller, includes 2037d61e6649SAlexander Langer# the D-Link DFE-550TX. 2038d497bdf1SPyun YongHyeon# stge: Support for gigabit ethernet adapters based on the Sundance/Tamarack 2039d497bdf1SPyun YongHyeon# TC9021 family of controllers, including the Sundance ST2021/ST2023, 2040d497bdf1SPyun YongHyeon# the Sundance/Tamarack TC9021, the D-Link DL-4000 and ASUS NX1101. 2041d61e6649SAlexander Langer# ti: Support for PCI gigabit ethernet NICs based on the Alteon Networks 2042d61e6649SAlexander Langer# Tigon 1 and Tigon 2 chipsets. This includes the Alteon AceNIC, the 2043c86eb67fSDmitry Morozovsky# 3Com 3c985, the Netgear GA620 and various others. Note that you will 2044c86eb67fSDmitry Morozovsky# probably want to bump up kern.ipc.nmbclusters a lot to use this driver. 2045d61e6649SAlexander Langer# tl: Support for the Texas Instruments TNETE100 series 'ThunderLAN' 2046d61e6649SAlexander Langer# cards and integrated ethernet controllers. This includes several 2047d61e6649SAlexander Langer# Compaq Netelligent 10/100 cards and the built-in ethernet controllers 2048d61e6649SAlexander Langer# in several Compaq Prosignia, Proliant and Deskpro systems. It also 2049d61e6649SAlexander Langer# supports several Olicom 10Mbps and 10/100 boards. 20503c7c6c12SMike Pritchard# tx: SMC 9432 TX, BTX and FTX cards. (SMC EtherPower II series) 2051362c5c1eSBill Paul# txp: Support for 3Com 3cR990 cards with the "Typhoon" chipset 2052d61e6649SAlexander Langer# vr: Support for various fast ethernet adapters based on the VIA 2053d61e6649SAlexander Langer# Technologies VT3043 `Rhine I' and VT86C100A `Rhine II' chips, 2054e83bcc01SGavin Atkinson# including the D-Link DFE520TX and D-Link DFE530TX (see 'rl' for 2055e83bcc01SGavin Atkinson# DFE530TX+), the Hawking Technologies PN102TX, and the AOpen/Acer ALN-320. 20562608aefcSPyun YongHyeon# vte: DM&P Vortex86 RDC R6040 Fast Ethernet 2057d61e6649SAlexander Langer# vx: 3Com 3C590 and 3C595 2058d61e6649SAlexander Langer# wb: Support for fast ethernet adapters based on the Winbond W89C840F chip. 2059d61e6649SAlexander Langer# Note: this is not the same as the Winbond W89C940F, which is a 2060d61e6649SAlexander Langer# NE2000 clone. 20617f5092f3SJohn Baldwin# wi: Lucent WaveLAN/IEEE 802.11 PCMCIA adapters. Note: this supports both 20627f5092f3SJohn Baldwin# the PCMCIA and ISA cards: the ISA card is really a PCMCIA to ISA 20637f5092f3SJohn Baldwin# bridge with a PCMCIA adapter plugged into it. 20647f5092f3SJohn Baldwin# xe: Xircom/Intel EtherExpress Pro100/16 PC Card ethernet controller, 20657f5092f3SJohn Baldwin# Accton Fast EtherCard-16, Compaq Netelligent 10/100 PC Card, 20667f5092f3SJohn Baldwin# Toshiba 10/100 Ethernet PC Card, Xircom 16-bit Ethernet + Modem 56 2067d61e6649SAlexander Langer# xl: Support for the 3Com 3c900, 3c905, 3c905B and 3c905C (Fast) 2068d61e6649SAlexander Langer# Etherlink XL cards and integrated controllers. This includes the 2069d61e6649SAlexander Langer# integrated 3c905B-TX chips in certain Dell Optiplex and Dell 2070d61e6649SAlexander Langer# Precision desktop machines and the integrated 3c905-TX chips 2071d61e6649SAlexander Langer# in Dell Latitude laptop docking stations. 2072d61e6649SAlexander Langer# Also supported: 3Com 3c980(C)-TX, 3Com 3cSOHO100-TX, 3Com 3c450-TX 2073d61e6649SAlexander Langer 207486d99b68SWarner Losh# Order for ISA devices is important here 20757f5092f3SJohn Baldwin 20767f5092f3SJohn Baldwindevice ep 20777f5092f3SJohn Baldwindevice ex 2078c06a3350SPeter Wemmdevice fe 20797f5092f3SJohn Baldwinhint.fe.0.at="isa" 20807f5092f3SJohn Baldwinhint.fe.0.port="0x300" 20817f5092f3SJohn Baldwindevice sn 20827f5092f3SJohn Baldwinhint.sn.0.at="isa" 20837f5092f3SJohn Baldwinhint.sn.0.port="0x300" 20847f5092f3SJohn Baldwinhint.sn.0.irq="10" 20857f5092f3SJohn Baldwindevice an 20867f5092f3SJohn Baldwindevice wi 20877f5092f3SJohn Baldwindevice xe 20887f5092f3SJohn Baldwin 2089d61e6649SAlexander Langer# PCI Ethernet NICs that use the common MII bus controller code. 2090ba26d470SStanislav Sedovdevice ae # Attansic/Atheros L2 FastEthernet 2091cfef026aSPyun YongHyeondevice age # Attansic/Atheros L1 Gigabit Ethernet 2092d68875ebSPyun YongHyeondevice alc # Atheros AR8131/AR8132 Ethernet 20933c6e15bcSPyun YongHyeondevice ale # Atheros AR8121/AR8113/AR8114 Ethernet 2094343ed0a8SJohn Baldwindevice bce # Broadcom BCM5706/BCM5708 Gigabit Ethernet 2095343ed0a8SJohn Baldwindevice bfe # Broadcom BCM440x 10/100 Ethernet 2096343ed0a8SJohn Baldwindevice bge # Broadcom BCM570xx Gigabit Ethernet 2097119051cbSMarius Strobldevice cas # Sun Cassini/Cassini+ and NS DP83065 Saturn 2098d61e6649SAlexander Langerdevice dc # DEC/Intel 21143 and various workalikes 20994d52a575SXin LIdevice et # Agere ET1310 10/100/Gigabit Ethernet 21004664a8d5SJonathan Lemondevice fxp # Intel EtherExpress PRO/100B (82557, 82558) 21014664a8d5SJonathan Lemonhint.fxp.0.prefer_iomap="0" 21021ed3fed7SMarius Strobldevice gem # Apple GMAC/Sun ERI/Sun GEM 210352c07e1cSMarius Strobldevice hme # Sun HME (Happy Meal Ethernet) 21040587cad8SPyun YongHyeondevice jme # JMicron JMC250 Gigabit/JMC260 Fast Ethernet 2105343ed0a8SJohn Baldwindevice lge # Level 1 LXT1001 gigabit Ethernet 210622f2c49aSHans Petter Selaskydevice mlx5 # Shared code module between IB and Ethernet 210722f2c49aSHans Petter Selaskydevice mlx5en # Mellanox ConnectX-4 and ConnectX-4 LX 21080587cad8SPyun YongHyeondevice msk # Marvell/SysKonnect Yukon II Gigabit Ethernet 2109d3d67116SMaxim Sobolevdevice my # Myson Fast Ethernet (MTD80X, MTD89X) 2110343ed0a8SJohn Baldwindevice nge # NatSemi DP83820 gigabit Ethernet 21110587cad8SPyun YongHyeondevice re # RealTek 8139C+/8169/8169S/8110S 2112d61e6649SAlexander Langerdevice rl # RealTek 8129/8139 21132e1b1231SDima Dorfmandevice pcn # AMD Am79C97x PCI 10/100 NICs 2114d61e6649SAlexander Langerdevice sf # Adaptec AIC-6915 (``Starfire'') 2115d193ed0bSPyun YongHyeondevice sge # Silicon Integrated Systems SiS190/191 2116d61e6649SAlexander Langerdevice sis # Silicon Integrated Systems SiS 900/SiS 7016 2117343ed0a8SJohn Baldwindevice sk # SysKonnect SK-984x & SK-982x gigabit Ethernet 2118d61e6649SAlexander Langerdevice ste # Sundance ST201 (D-Link DFE-550TX) 21190587cad8SPyun YongHyeondevice stge # Sundance/Tamarack TC9021 gigabit Ethernet 2120d61e6649SAlexander Langerdevice tl # Texas Instruments ThunderLAN 2121eed59f52SSemen Ustimenkodevice tx # SMC EtherPower II (83c170 ``EPIC'') 2122d61e6649SAlexander Langerdevice vr # VIA Rhine, Rhine II 21232608aefcSPyun YongHyeondevice vte # DM&P Vortex86 RDC R6040 Fast Ethernet 2124d61e6649SAlexander Langerdevice wb # Winbond W89C840F 2125d61e6649SAlexander Langerdevice xl # 3Com 3c90x (``Boomerang'', ``Cyclone'') 2126d61e6649SAlexander Langer 2127d61e6649SAlexander Langer# PCI Ethernet NICs. 21287f687043SJohn Baldwindevice cxgb # Chelsio T3 10 Gigabit Ethernet 21297f687043SJohn Baldwindevice cxgb_t3fw # Chelsio T3 10 Gigabit Ethernet firmware 2130a74031a5SJohn Baldwindevice cxgbe # Chelsio T4-T6 1/10/25/40/100 Gigabit Ethernet 2131a74031a5SJohn Baldwindevice cxgbev # Chelsio T4-T6 Virtual Functions 2132d61e6649SAlexander Langerdevice de # DEC/Intel DC21x4x (``Tulip'') 213302f3c16fSJohn Baldwindevice em # Intel Pro/1000 Gigabit Ethernet 2134758cc3dcSJack F Vogeldevice ix # Intel Pro/10Gbe PCIE Ethernet 2135758cc3dcSJack F Vogeldevice ixv # Intel Pro/10Gbe PCIE Ethernet VF 213644ac0964SMarius Strobldevice le # AMD Am7900 LANCE and Am79C9xx PCnet 2137f9ae0280SAndrew Gallatindevice mxge # Myricom Myri-10G 10GbE NIC 21382f345d8eSLuigi Rizzodevice oce # Emulex 10 GbE (OneConnect Ethernet) 21396e535f6eSRemko Lodderdevice ti # Alteon Networks Tigon I/II gigabit Ethernet 214095d67482SBill Pauldevice txp # 3Com 3cR990 (``Typhoon'') 2141c7ba4194SWarner Loshdevice vx # 3Com 3c590, 3c595 (``Vortex'') 2142d61e6649SAlexander Langer 2143390cee87SJohn Baldwin# PCI IEEE 802.11 Wireless NICs 2144390cee87SJohn Baldwindevice ath # Atheros pci/cardbus NIC's 2145390cee87SJohn Baldwindevice ath_hal # pci/cardbus chip support 2146390cee87SJohn Baldwin#device ath_ar5210 # AR5210 chips 2147390cee87SJohn Baldwin#device ath_ar5211 # AR5211 chips 2148390cee87SJohn Baldwin#device ath_ar5212 # AR5212 chips 2149390cee87SJohn Baldwin#device ath_rf2413 2150390cee87SJohn Baldwin#device ath_rf2417 2151390cee87SJohn Baldwin#device ath_rf2425 2152390cee87SJohn Baldwin#device ath_rf5111 2153390cee87SJohn Baldwin#device ath_rf5112 2154390cee87SJohn Baldwin#device ath_rf5413 2155390cee87SJohn Baldwin#device ath_ar5416 # AR5416 chips 2156390cee87SJohn Baldwinoptions AH_SUPPORT_AR5416 # enable AR5416 tx/rx descriptors 2157bc391cb2SWarner Losh# All of the AR5212 parts have a problem when paired with the AR71xx 2158bc391cb2SWarner Losh# CPUS. These parts have a bug that triggers a fatal bus error on the AR71xx 2159bc391cb2SWarner Losh# only. Details of the exact nature of the bug are sketchy, but some can be 2160bc391cb2SWarner Losh# found at https://forum.openwrt.org/viewtopic.php?pid=70060 on pages 4, 5 and 2161bc391cb2SWarner Losh# 6. This option enables this workaround. There is a performance penalty 2162bc391cb2SWarner Losh# for this work around, but without it things don't work at all. The DMA 2163bc391cb2SWarner Losh# from the card usually bursts 128 bytes, but on the affected CPUs, only 2164bc391cb2SWarner Losh# 4 are safe. 2165bc391cb2SWarner Loshoptions AH_RXCFG_SDMAMW_4BYTES 2166390cee87SJohn Baldwin#device ath_ar9160 # AR9160 chips 2167390cee87SJohn Baldwin#device ath_ar9280 # AR9280 chips 216858c4a5a1SRui Paulo#device ath_ar9285 # AR9285 chips 2169390cee87SJohn Baldwindevice ath_rate_sample # SampleRate tx rate control for ath 2170390cee87SJohn Baldwindevice bwi # Broadcom BCM430* BCM431* 2171eb5ef23cSWeongyo Jeongdevice bwn # Broadcom BCM43xx 2172d1f25d5dSBernhard Schmidtdevice malo # Marvell Libertas wireless NICs. 2173d1f25d5dSBernhard Schmidtdevice mwl # Marvell 88W8363 802.11n wireless NICs. 2174778eefa4SJohn Baldwindevice mwlfw 2175390cee87SJohn Baldwindevice ral # Ralink Technology RT2500 wireless NICs. 2176b38b13d8SKevin Lodevice rtwn # Realtek wireless NICs 2177b38b13d8SKevin Lodevice rtwnfw 2178390cee87SJohn Baldwin 217910a4360cSPyun YongHyeon# Use sf_buf(9) interface for jumbo buffers on ti(4) controllers. 218010a4360cSPyun YongHyeon#options TI_SF_BUF_JUMBO 218198cb733cSKenneth D. Merry# Turn on the header splitting option for the ti(4) driver firmware. This 218298cb733cSKenneth D. Merry# only works for Tigon II chips, and has no effect for Tigon I chips. 218310a4360cSPyun YongHyeon# This option requires the TI_SF_BUF_JUMBO option above. 2184b590f210SPyun YongHyeon#options TI_JUMBO_HDRSPLIT 218598cb733cSKenneth D. Merry 21862c8f5a28SKenneth D. Merry# These two options allow manipulating the mbuf cluster size and mbuf size, 21872c8f5a28SKenneth D. Merry# respectively. Be very careful with NIC driver modules when changing 21882c8f5a28SKenneth D. Merry# these from their default values, because that can potentially cause a 21892c8f5a28SKenneth D. Merry# mismatch between the mbuf size assumed by the kernel and the mbuf size 21902c8f5a28SKenneth D. Merry# assumed by a module. The only driver that currently has the ability to 21912c8f5a28SKenneth D. Merry# detect a mismatch is ti(4). 21922c8f5a28SKenneth D. Merryoptions MCLSHIFT=12 # mbuf cluster shift in bits, 12 == 4KB 21932c8f5a28SKenneth D. Merryoptions MSIZE=512 # mbuf size in bytes 21942c8f5a28SKenneth D. Merry 2195c19da41eSPeter Wemm# 21960739ea1dSSeigo Tanimura# Sound drivers 2197c19da41eSPeter Wemm# 21980739ea1dSSeigo Tanimura# sound: The generic sound driver. 2199c7406082SJohn-Mark Gurney# 22000739ea1dSSeigo Tanimura 22010739ea1dSSeigo Tanimuradevice sound 22020739ea1dSSeigo Tanimura 22030739ea1dSSeigo Tanimura# 22040739ea1dSSeigo Tanimura# snd_*: Device-specific drivers. 2205c7406082SJohn-Mark Gurney# 22069c0ef6d5SOliver Fromme# The flags of the device tell the device a bit more info about the 22077f5092f3SJohn Baldwin# device that normally is obtained through the PnP interface. 22087f5092f3SJohn Baldwin# bit 2..0 secondary DMA channel; 22097f5092f3SJohn Baldwin# bit 4 set if the board uses two dma channels; 22107f5092f3SJohn Baldwin# bit 15..8 board type, overrides autodetection; leave it 22117f5092f3SJohn Baldwin# zero if don't know what to put in (and you don't, 22127f5092f3SJohn Baldwin# since this is unsupported at the moment...). 22137f5092f3SJohn Baldwin# 2214c3a730dfSJoel Dahl# snd_ad1816: Analog Devices AD1816 ISA PnP/non-PnP. 22150739ea1dSSeigo Tanimura# snd_als4000: Avance Logic ALS4000 PCI. 2216d9bde1adSAriff Abdullah# snd_atiixp: ATI IXP 200/300/400 PCI. 2217903b2fb9SJoel Dahl# snd_audiocs: Crystal Semiconductor CS4231 SBus/EBus. Only 2218903b2fb9SJoel Dahl# for sparc64. 22190739ea1dSSeigo Tanimura# snd_cmi: CMedia CMI8338/CMI8738 PCI. 22200739ea1dSSeigo Tanimura# snd_cs4281: Crystal Semiconductor CS4281 PCI. 22210739ea1dSSeigo Tanimura# snd_csa: Crystal Semiconductor CS461x/428x PCI. (except 22220739ea1dSSeigo Tanimura# 4281) 22230739ea1dSSeigo Tanimura# snd_ds1: Yamaha DS-1 PCI. 22240739ea1dSSeigo Tanimura# snd_emu10k1: Creative EMU10K1 PCI and EMU10K2 (Audigy) PCI. 22250fa7ab6aSAlexander Leidinger# snd_emu10kx: Creative SoundBlaster Live! and Audigy 22269f548240SAlexander Leidinger# snd_envy24: VIA Envy24 and compatible, needs snd_spicds. 22279f548240SAlexander Leidinger# snd_envy24ht: VIA Envy24HT and compatible, needs snd_spicds. 22280739ea1dSSeigo Tanimura# snd_es137x: Ensoniq AudioPCI ES137x PCI. 2229727ded3aSJoel Dahl# snd_ess: Ensoniq ESS ISA PnP/non-PnP, to be used in 2230727ded3aSJoel Dahl# conjunction with snd_sbc. 22310739ea1dSSeigo Tanimura# snd_fm801: Forte Media FM801 PCI. 22320739ea1dSSeigo Tanimura# snd_gusc: Gravis UltraSound ISA PnP/non-PnP. 22334b8939a1SAriff Abdullah# snd_hda: Intel High Definition Audio (Controller) and 22344b8939a1SAriff Abdullah# compatible. 2235e4afd792SAlexander Motin# snd_hdspe: RME HDSPe AIO and RayDAT. 223617470869SAlexander Motin# snd_ich: Intel ICH AC'97 and some more audio controllers 2237903b2fb9SJoel Dahl# embedded in a chipset, for example nVidia 2238903b2fb9SJoel Dahl# nForce controllers. 22390739ea1dSSeigo Tanimura# snd_maestro: ESS Technology Maestro-1/2x PCI. 22400739ea1dSSeigo Tanimura# snd_maestro3: ESS Technology Maestro-3/Allegro PCI. 22410739ea1dSSeigo Tanimura# snd_mss: Microsoft Sound System ISA PnP/non-PnP. 22420739ea1dSSeigo Tanimura# snd_neomagic: Neomagic 256 AV/ZX PCI. 22430739ea1dSSeigo Tanimura# snd_sb16: Creative SoundBlaster16, to be used in 22441c9c6382SRuslan Ermilov# conjunction with snd_sbc. 22450739ea1dSSeigo Tanimura# snd_sb8: Creative SoundBlaster (pre-16), to be used in 22461c9c6382SRuslan Ermilov# conjunction with snd_sbc. 22470739ea1dSSeigo Tanimura# snd_sbc: Creative SoundBlaster ISA PnP/non-PnP. 22487f5092f3SJohn Baldwin# Supports ESS and Avance ISA chips as well. 22490739ea1dSSeigo Tanimura# snd_solo: ESS Solo-1x PCI. 2250de8d750fSJoel Dahl# snd_spicds: SPI codec driver, needed by Envy24/Envy24HT drivers. 2251903b2fb9SJoel Dahl# snd_t4dwave: Trident 4DWave DX/NX PCI, Sis 7018 PCI and Acer Labs 22520739ea1dSSeigo Tanimura# M5451 PCI. 2253de8d750fSJoel Dahl# snd_uaudio: USB audio. 22540739ea1dSSeigo Tanimura# snd_via8233: VIA VT8233x PCI. 22550739ea1dSSeigo Tanimura# snd_via82c686: VIA VT82C686A PCI. 22560739ea1dSSeigo Tanimura# snd_vibes: S3 Sonicvibes PCI. 225781bb901eSPeter Wemm 2258f37a929cSPeter Wemmdevice snd_ad1816 2259f37a929cSPeter Wemmdevice snd_als4000 2260d9bde1adSAriff Abdullahdevice snd_atiixp 22617a7386a3SPyun YongHyeon#device snd_audiocs 22620739ea1dSSeigo Tanimuradevice snd_cmi 2263f37a929cSPeter Wemmdevice snd_cs4281 22640739ea1dSSeigo Tanimuradevice snd_csa 2265f37a929cSPeter Wemmdevice snd_ds1 2266f37a929cSPeter Wemmdevice snd_emu10k1 22670fa7ab6aSAlexander Leidingerdevice snd_emu10kx 2268b1ff0220SAlexander Leidingerdevice snd_envy24 22699f548240SAlexander Leidingerdevice snd_envy24ht 2270f37a929cSPeter Wemmdevice snd_es137x 22710739ea1dSSeigo Tanimuradevice snd_ess 2272f37a929cSPeter Wemmdevice snd_fm801 22730739ea1dSSeigo Tanimuradevice snd_gusc 22744b8939a1SAriff Abdullahdevice snd_hda 2275e4afd792SAlexander Motindevice snd_hdspe 22760739ea1dSSeigo Tanimuradevice snd_ich 22770739ea1dSSeigo Tanimuradevice snd_maestro 2278f37a929cSPeter Wemmdevice snd_maestro3 22790739ea1dSSeigo Tanimuradevice snd_mss 22800739ea1dSSeigo Tanimuradevice snd_neomagic 2281f37a929cSPeter Wemmdevice snd_sb16 2282f37a929cSPeter Wemmdevice snd_sb8 22830739ea1dSSeigo Tanimuradevice snd_sbc 22840739ea1dSSeigo Tanimuradevice snd_solo 22859f548240SAlexander Leidingerdevice snd_spicds 2286f37a929cSPeter Wemmdevice snd_t4dwave 2287de8d750fSJoel Dahldevice snd_uaudio 2288f37a929cSPeter Wemmdevice snd_via8233 2289f37a929cSPeter Wemmdevice snd_via82c686 22900739ea1dSSeigo Tanimuradevice snd_vibes 2291c19da41eSPeter Wemm 22921c9c6382SRuslan Ermilov# For non-PnP sound cards: 2293673974d9SRuslan Ermilovhint.pcm.0.at="isa" 2294673974d9SRuslan Ermilovhint.pcm.0.irq="10" 2295673974d9SRuslan Ermilovhint.pcm.0.drq="1" 2296673974d9SRuslan Ermilovhint.pcm.0.flags="0x0" 2297673974d9SRuslan Ermilovhint.sbc.0.at="isa" 2298673974d9SRuslan Ermilovhint.sbc.0.port="0x220" 2299673974d9SRuslan Ermilovhint.sbc.0.irq="5" 2300673974d9SRuslan Ermilovhint.sbc.0.drq="1" 2301673974d9SRuslan Ermilovhint.sbc.0.flags="0x15" 2302673974d9SRuslan Ermilovhint.gusc.0.at="isa" 2303673974d9SRuslan Ermilovhint.gusc.0.port="0x220" 2304673974d9SRuslan Ermilovhint.gusc.0.irq="5" 2305673974d9SRuslan Ermilovhint.gusc.0.drq="1" 2306673974d9SRuslan Ermilovhint.gusc.0.flags="0x13" 23077f5092f3SJohn Baldwin 23086a8d6623SGarrett Wollman# 230918fe4678SAriff Abdullah# Following options are intended for debugging/testing purposes: 231018fe4678SAriff Abdullah# 231118fe4678SAriff Abdullah# SND_DEBUG Enable extra debugging code that includes 231218fe4678SAriff Abdullah# sanity checking and possible increase of 231318fe4678SAriff Abdullah# verbosity. 231418fe4678SAriff Abdullah# 2315d51e8487SJosh Paetzel# SND_DIAGNOSTIC Similar in a spirit of INVARIANTS/DIAGNOSTIC, 231618fe4678SAriff Abdullah# zero tolerance against inconsistencies. 231718fe4678SAriff Abdullah# 231818fe4678SAriff Abdullah# SND_FEEDER_MULTIFORMAT By default, only 16/32 bit feeders are compiled 231918fe4678SAriff Abdullah# in. This options enable most feeder converters 232018fe4678SAriff Abdullah# except for 8bit. WARNING: May bloat the kernel. 232118fe4678SAriff Abdullah# 232218fe4678SAriff Abdullah# SND_FEEDER_FULL_MULTIFORMAT Ditto, but includes 8bit feeders as well. 232318fe4678SAriff Abdullah# 232418fe4678SAriff Abdullah# SND_FEEDER_RATE_HP (feeder_rate) High precision 64bit arithmetic 232518fe4678SAriff Abdullah# as much as possible (the default trying to 232618fe4678SAriff Abdullah# avoid it). Possible slowdown. 232718fe4678SAriff Abdullah# 232818fe4678SAriff Abdullah# SND_PCM_64 (Only applicable for i386/32bit arch) 232918fe4678SAriff Abdullah# Process 32bit samples through 64bit 233018fe4678SAriff Abdullah# integer/arithmetic. Slight increase of dynamic 233118fe4678SAriff Abdullah# range at a cost of possible slowdown. 233218fe4678SAriff Abdullah# 233318fe4678SAriff Abdullah# SND_OLDSTEREO Only 2 channels are allowed, effectively 233418fe4678SAriff Abdullah# disabling multichannel processing. 233518fe4678SAriff Abdullah# 233618fe4678SAriff Abdullahoptions SND_DEBUG 233718fe4678SAriff Abdullahoptions SND_DIAGNOSTIC 233818fe4678SAriff Abdullahoptions SND_FEEDER_MULTIFORMAT 233918fe4678SAriff Abdullahoptions SND_FEEDER_FULL_MULTIFORMAT 234018fe4678SAriff Abdullahoptions SND_FEEDER_RATE_HP 234118fe4678SAriff Abdullahoptions SND_PCM_64 234218fe4678SAriff Abdullahoptions SND_OLDSTEREO 234318fe4678SAriff Abdullah 234418fe4678SAriff Abdullah# 2345567e21c2SBruce Evans# Miscellaneous hardware: 23466a8d6623SGarrett Wollman# 23471c2b5939SRoger Hardiman# bktr: Brooktree bt848/848a/849a/878/879 video capture and TV Tuner board 23487f5092f3SJohn Baldwin# joy: joystick (including IO DATA PCJOY PC Card joystick) 2349603d67aeSRink Springer# cmx: OmniKey CardMan 4040 pccard smartcard reader 2350657e73c4SPeter Dufault 23511c9c6382SRuslan Ermilovdevice joy # PnP aware, hints for non-PnP only 23527f5092f3SJohn Baldwinhint.joy.0.at="isa" 23537f5092f3SJohn Baldwinhint.joy.0.port="0x201" 2354603d67aeSRink Springerdevice cmx 2355a800f455SJulian Elischer 2356eeb706c0SJustin T. Gibbs# 2357a9c5b8d0SSøren Schmidt# The 'bktr' device is a PCI video capture device using the Brooktree 23581c2b5939SRoger Hardiman# bt848/bt848a/bt849a/bt878/bt879 chipset. When used with a TV Tuner it forms a 2359a2f87f42SPeter Pentchev# TV card, e.g. Miro PC/TV, Hauppauge WinCast/TV WinTV, VideoLogic Captivator, 23601c2b5939SRoger Hardiman# Intel Smart Video III, AverMedia, IMS Turbo, FlyVideo. 23611c2b5939SRoger Hardiman# 2362a9c5b8d0SSøren Schmidt# options OVERRIDE_CARD=xxx 2363a9c5b8d0SSøren Schmidt# options OVERRIDE_TUNER=xxx 2364a9c5b8d0SSøren Schmidt# options OVERRIDE_MSP=1 2365a9c5b8d0SSøren Schmidt# options OVERRIDE_DBX=1 23661c2b5939SRoger Hardiman# These options can be used to override the auto detection 236798a44096SSheldon Hearn# The current values for xxx are found in src/sys/dev/bktr/bktr_card.h 23681c2b5939SRoger Hardiman# Using sysctl(8) run-time overrides on a per-card basis can be made 23699ff07e32SAmancio Hasty# 23704f5f3f07SBrian Somers# options BROOKTREE_SYSTEM_DEFAULT=BROOKTREE_PAL 23711c2b5939SRoger Hardiman# or 23721c2b5939SRoger Hardiman# options BROOKTREE_SYSTEM_DEFAULT=BROOKTREE_NTSC 23733c7c6c12SMike Pritchard# Specifies the default video capture mode. 23741748d1e5SGavin Atkinson# This is required for Dual Crystal (28&35MHz) boards where PAL is used 2375d51e8487SJosh Paetzel# to prevent hangs during initialization, e.g. VideoLogic Captivator PCI. 2376a9c5b8d0SSøren Schmidt# 23774f5f3f07SBrian Somers# options BKTR_USE_PLL 23781748d1e5SGavin Atkinson# This is required for PAL or SECAM boards with a 28MHz crystal and no 35MHz 2379a2f87f42SPeter Pentchev# crystal, e.g. some new Bt878 cards. 2380a9c5b8d0SSøren Schmidt# 23811c2b5939SRoger Hardiman# options BKTR_GPIO_ACCESS 23829c0ef6d5SOliver Fromme# This enables IOCTLs which give user level access to the GPIO port. 23831c2b5939SRoger Hardiman# 23841c2b5939SRoger Hardiman# options BKTR_NO_MSP_RESET 2385d51e8487SJosh Paetzel# Prevents the MSP34xx reset. Good if you initialize the MSP in another OS first 23861c2b5939SRoger Hardiman# 23871c2b5939SRoger Hardiman# options BKTR_430_FX_MODE 23881c2b5939SRoger Hardiman# Switch Bt878/879 cards into Intel 430FX chipset compatibility mode. 23891c2b5939SRoger Hardiman# 23901c2b5939SRoger Hardiman# options BKTR_SIS_VIA_MODE 23911c2b5939SRoger Hardiman# Switch Bt878/879 cards into SIS/VIA chipset compatibility mode which is 23921c2b5939SRoger Hardiman# needed for some old SiS and VIA chipset motherboards. 23931c2b5939SRoger Hardiman# This also allows Bt878/879 chips to work on old OPTi (<1997) chipset 23941c2b5939SRoger Hardiman# motherboards and motherboards with bad or incomplete PCI 2.1 support. 23951c2b5939SRoger Hardiman# As a rough guess, old = before 1998 23961c2b5939SRoger Hardiman# 239730e27d96SAlexander Langer# options BKTR_NEW_MSP34XX_DRIVER 239830e27d96SAlexander Langer# Use new, more complete initialization scheme for the msp34* soundchip. 239930e27d96SAlexander Langer# Should fix stereo autodetection if the old driver does only output 240030e27d96SAlexander Langer# mono sound. 2401017b0edcSMatt Jacob 2402c17d4340SNicolas Souchu# 2403c17d4340SNicolas Souchu# options BKTR_USE_FREEBSD_SMBUS 2404c17d4340SNicolas Souchu# Compile with FreeBSD SMBus implementation 2405c17d4340SNicolas Souchu# 240628ebb692SNicolas Souchu# Brooktree driver has been ported to the new I2C framework. Thus, 24070f3563b6SRoger Hardiman# you'll need to have the following 3 lines in the kernel config. 240837973e86SPeter Wemm# device smbus 240937973e86SPeter Wemm# device iicbus 241037973e86SPeter Wemm# device iicbb 2411c17d4340SNicolas Souchu# device iicsmb 24120f3563b6SRoger Hardiman# The iic and smb devices are only needed if you want to control other 24130f3563b6SRoger Hardiman# I2C slaves connected to the external connector of some cards. 241428ebb692SNicolas Souchu# 2415c06a3350SPeter Wemmdevice bktr 2416446cee6eSJoerg Wunsch 2417dc9deb29SPoul-Henning Kamp# 24186e818956SDavid E. O'Brien# PC Card/PCMCIA and Cardbus 24196e818956SDavid E. O'Brien# 24205bcb64f2SWarner Losh# cbb: pci/cardbus bridge implementing YENTA interface 24216e818956SDavid E. O'Brien# pccard: pccard slots 24226e818956SDavid E. O'Brien# cardbus: cardbus slots 24236e818956SDavid E. O'Briendevice cbb 24246e818956SDavid E. O'Briendevice pccard 24256e818956SDavid E. O'Briendevice cardbus 24266e818956SDavid E. O'Brien 24276e818956SDavid E. O'Brien# 24285bcb64f2SWarner Losh# MMC/SD 24295bcb64f2SWarner Losh# 2430831f5dcfSAlexander Motin# mmc MMC/SD bus 2431831f5dcfSAlexander Motin# mmcsd MMC/SD memory card 2432831f5dcfSAlexander Motin# sdhci Generic PCI SD Host Controller 2433831f5dcfSAlexander Motin# 2434831f5dcfSAlexander Motindevice mmc 2435831f5dcfSAlexander Motindevice mmcsd 2436831f5dcfSAlexander Motindevice sdhci 24375bcb64f2SWarner Losh 24385bcb64f2SWarner Losh# 24398afa373cSNicolas Souchu# SMB bus 24408afa373cSNicolas Souchu# 24413c5656bfSArchie Cobbs# System Management Bus support is provided by the 'smbus' device. 24423c5656bfSArchie Cobbs# Access to the SMBus device is via the 'smb' device (/dev/smb*), 24433c5656bfSArchie Cobbs# which is a child of the 'smbus' device. 24448afa373cSNicolas Souchu# 24458afa373cSNicolas Souchu# Supported devices: 24464d5f30e0SRuslan Ermilov# smb standard I/O through /dev/smb* 24478afa373cSNicolas Souchu# 24483c5656bfSArchie Cobbs# Supported SMB interfaces: 244928ebb692SNicolas Souchu# iicsmb I2C to SMB bridge with any iicbus interface 245028ebb692SNicolas Souchu# bktr brooktree848 I2C hardware interface 24517f5092f3SJohn Baldwin# intpm Intel PIIX4 (82371AB, 82443MX) Power Management Unit 24527f5092f3SJohn Baldwin# alpm Acer Aladdin-IV/V/Pro2 Power Management Unit 24537f5092f3SJohn Baldwin# ichsmb Intel ICH SMBus controller chips (82801AA, 82801AB, 82801BA) 24547f5092f3SJohn Baldwin# viapm VIA VT82C586B/596B/686A and VT8233 Power Management Unit 2455b1acc4a2SMurray Stokely# amdpm AMD 756 Power Management Unit 24564d5f30e0SRuslan Ermilov# amdsmb AMD 8111 SMBus 2.0 Controller 245744e6ce01SNicolas Souchu# nfpm NVIDIA nForce Power Management Unit 24584d5f30e0SRuslan Ermilov# nfsmb NVIDIA nForce2/3/4 MCP SMBus 2.0 Controller 24590572ccaaSJim Harris# ismt Intel SMBus 2.0 controller chips (on Atom S1200, C2000) 24608afa373cSNicolas Souchu# 2461c9953c3bSPeter Wemmdevice smbus # Bus support, required for smb below. 24623c5656bfSArchie Cobbs 24637f5092f3SJohn Baldwindevice intpm 24647f5092f3SJohn Baldwindevice alpm 24657f5092f3SJohn Baldwindevice ichsmb 24667f5092f3SJohn Baldwindevice viapm 246744e6ce01SNicolas Souchudevice amdpm 24684d5f30e0SRuslan Ermilovdevice amdsmb 246944e6ce01SNicolas Souchudevice nfpm 24704d5f30e0SRuslan Ermilovdevice nfsmb 24710572ccaaSJim Harrisdevice ismt 24727f5092f3SJohn Baldwin 2473c9953c3bSPeter Wemmdevice smb 24748afa373cSNicolas Souchu 24754afdfe97SAndriy Gapon# SMBus peripheral devices 24768afa373cSNicolas Souchu# 2477dcd935dfSRavi Pokala# jedec_dimm Asset and temperature reporting for DDR3 and DDR4 DIMMs 24784afdfe97SAndriy Gapon# jedec_ts Temperature Sensor compliant with JEDEC Standard 21-C 24794afdfe97SAndriy Gapon# 2480dcd935dfSRavi Pokaladevice jedec_dimm 24814afdfe97SAndriy Gapondevice jedec_ts 24824afdfe97SAndriy Gapon 24838afa373cSNicolas Souchu# I2C Bus 24848afa373cSNicolas Souchu# 24858afa373cSNicolas Souchu# Philips i2c bus support is provided by the `iicbus' device. 24868afa373cSNicolas Souchu# 24878afa373cSNicolas Souchu# Supported devices: 24888afa373cSNicolas Souchu# ic i2c network interface 24898afa373cSNicolas Souchu# iic i2c standard io 2490f7d09fbaSNicolas Souchu# iicsmb i2c to smb bridge. Allow i2c i/o with smb commands. 24911ab68cbbSJayachandran C.# iicoc simple polling driver for OpenCores I2C controller 24928afa373cSNicolas Souchu# 24938afa373cSNicolas Souchu# Supported interfaces: 249428ebb692SNicolas Souchu# bktr brooktree848 I2C software interface 249528ebb692SNicolas Souchu# 249628ebb692SNicolas Souchu# Other: 249728ebb692SNicolas Souchu# iicbb generic I2C bit-banging code (needed by lpbb, bktr) 24988afa373cSNicolas Souchu# 2499c9953c3bSPeter Wemmdevice iicbus # Bus support, required for ic/iic/iicsmb below. 2500c9953c3bSPeter Wemmdevice iicbb 25018afa373cSNicolas Souchu 2502c9953c3bSPeter Wemmdevice ic 2503c9953c3bSPeter Wemmdevice iic 2504c9953c3bSPeter Wemmdevice iicsmb # smb over i2c bridge 25051ab68cbbSJayachandran C.device iicoc # OpenCores I2C controller support 25068afa373cSNicolas Souchu 2507286fa445SRafal Jaworowski# I2C peripheral devices 2508286fa445SRafal Jaworowski# 250946ec180eSIan Leporedevice ds1307 # Dallas DS1307 RTC and compatible 2510bb2e8108SIan Leporedevice ds13rtc # All Dallas/Maxim ds13xx chips 251146ec180eSIan Leporedevice ds1672 # Dallas DS1672 RTC 251246ec180eSIan Leporedevice ds3231 # Dallas DS3231 RTC + temperature 251346ec180eSIan Leporedevice icee # AT24Cxxx and compatible EEPROMs 251446ec180eSIan Leporedevice lm75 # LM75 compatible temperature sensor 251546ec180eSIan Leporedevice nxprtc # NXP RTCs: PCA/PFC212x PCA/PCF85xx 251646ec180eSIan Leporedevice s35390a # Seiko Instruments S-35390A RTC 2517286fa445SRafal Jaworowski 2518ab4c624bSMike Smith# Parallel-Port Bus 2519ab4c624bSMike Smith# 2520ab4c624bSMike Smith# Parallel port bus support is provided by the `ppbus' device. 2521ab4c624bSMike Smith# Multiple devices may be attached to the parallel port, devices 2522ab4c624bSMike Smith# are automatically probed and attached when found. 2523ab4c624bSMike Smith# 2524ab4c624bSMike Smith# Supported devices: 2525ab4c624bSMike Smith# vpo Iomega Zip Drive 2526f7d09fbaSNicolas Souchu# Requires SCSI disk support ('scbus' and 'da'), best 2527f88c1346SMike Smith# performance is achieved with ports in EPP 1.9 mode. 2528fdf94d1aSNicolas Souchu# lpt Parallel Printer 252946f3ff79SMike Smith# plip Parallel network interface 2530fdf94d1aSNicolas Souchu# ppi General-purpose I/O ("Geek Port") + IEEE1284 I/O 2531f7d09fbaSNicolas Souchu# pps Pulse per second Timing Interface 253228ebb692SNicolas Souchu# lpbb Philips official parallel port I2C bit-banging interface 25331caef332SWojciech A. Koszek# pcfclock Parallel port clock driver. 2534ab4c624bSMike Smith# 2535ab4c624bSMike Smith# Supported interfaces: 2536ab4c624bSMike Smith# ppc ISA-bus parallel port interfaces. 2537ab4c624bSMike Smith# 2538ef8f7626SNicolas Souchu 25390f210c92SNicolas Souchuoptions PPC_PROBE_CHIPSET # Enable chipset specific detection 25400f210c92SNicolas Souchu # (see flags in ppc(4)) 25415895e3c8SPeter Wemmoptions DEBUG_1284 # IEEE1284 signaling protocol debug 25429d5abbddSJens Schweikhardtoptions PERIPH_1284 # Makes your computer act as an IEEE1284 2543ef8f7626SNicolas Souchu # compliant peripheral 25445895e3c8SPeter Wemmoptions DONTPROBE_1284 # Avoid boot detection of PnP parallel devices 25455895e3c8SPeter Wemmoptions VP0_DEBUG # ZIP/ZIP+ debug 25465895e3c8SPeter Wemmoptions LPT_DEBUG # Printer driver debug 25475895e3c8SPeter Wemmoptions PPC_DEBUG # Parallel chipset level debug 25485895e3c8SPeter Wemmoptions PLIP_DEBUG # Parallel network IP interface debug 25493b2d592cSJordan K. Hubbardoptions PCFCLOCK_VERBOSE # Verbose pcfclock driver 25503b2d592cSJordan K. Hubbardoptions PCFCLOCK_MAX_RETRIES=5 # Maximum read tries (default 10) 2551ef8f7626SNicolas Souchu 2552f71c01ccSPeter Wemmdevice ppc 2553f71c01ccSPeter Wemmhint.ppc.0.at="isa" 2554f71c01ccSPeter Wemmhint.ppc.0.irq="7" 25550d31b179SPeter Wemmdevice ppbus 25560d31b179SPeter Wemmdevice vpo 25570d31b179SPeter Wemmdevice lpt 25580d31b179SPeter Wemmdevice plip 25590d31b179SPeter Wemmdevice ppi 25600d31b179SPeter Wemmdevice pps 25610d31b179SPeter Wemmdevice lpbb 25620d31b179SPeter Wemmdevice pcfclock 2563ab4c624bSMike Smith 2564f45757caSChristian Brueffer# 2565f45757caSChristian Brueffer# Etherswitch framework and drivers 2566f45757caSChristian Brueffer# 2567f45757caSChristian Brueffer# etherswitch The etherswitch(4) framework 2568f45757caSChristian Brueffer# miiproxy Proxy device for miibus(4) functionality 2569f45757caSChristian Brueffer# 2570f45757caSChristian Brueffer# Switch hardware support: 2571f45757caSChristian Brueffer# arswitch Atheros switches 2572f45757caSChristian Brueffer# ip17x IC+ 17x family switches 2573f45757caSChristian Brueffer# rtl8366r Realtek RTL8366 switches 2574f45757caSChristian Brueffer# ukswitch Multi-PHY switches 2575f45757caSChristian Brueffer# 2576f45757caSChristian Bruefferdevice etherswitch 2577f45757caSChristian Bruefferdevice miiproxy 2578f45757caSChristian Bruefferdevice arswitch 2579f45757caSChristian Bruefferdevice ip17x 2580f45757caSChristian Bruefferdevice rtl8366rb 2581f45757caSChristian Bruefferdevice ukswitch 2582f45757caSChristian Brueffer 25830ac40133SBrian Somers# Kernel BOOTP support 25840ac40133SBrian Somers 25850ac40133SBrian Somersoptions BOOTP # Use BOOTP to obtain IP address/hostname 2586c15882f0SRick Macklem # Requires NFSCL and NFS_ROOT 25870ac40133SBrian Somersoptions BOOTP_NFSROOT # NFS mount root filesystem using BOOTP info 25880ac40133SBrian Somersoptions BOOTP_NFSV3 # Use NFS v3 to NFS mount root 25890ac40133SBrian Somersoptions BOOTP_COMPAT # Workaround for broken bootp daemons. 25900ac40133SBrian Somersoptions BOOTP_WIRED_TO=fxp0 # Use interface fxp0 for BOOTP 2591eead3ae9SBenno Riceoptions BOOTP_BLOCKSIZE=8192 # Override NFS block size 2592432aad0eSTor Egge 2593d94f38acSEivind Eklund# 2594d626b50bSMike Karels# Enable software watchdog routines, even if hardware watchdog is present. 2595d626b50bSMike Karels# By default, software watchdog timer is enabled only if no hardware watchdog 2596d626b50bSMike Karels# is present. 2597370c3cb5SSean Kelly# 25984103b765SPoul-Henning Kampoptions SW_WATCHDOG 2599370c3cb5SSean Kelly 2600370c3cb5SSean Kelly# 2601f7829d0dSAttilio Rao# Add the software deadlock resolver thread. 2602f7829d0dSAttilio Rao# 2603f7829d0dSAttilio Raooptions DEADLKRES 2604f7829d0dSAttilio Rao 2605f7829d0dSAttilio Rao# 2606b99d6e6fSDavid Schultz# Disable swapping of stack pages. This option removes all 26074e0ee531SMike Barcroft# code which actually performs swapping, so it's not possible to turn 26084e0ee531SMike Barcroft# it back on at run-time. 2609c796cfa1SAndrzej Bialecki# 2610c796cfa1SAndrzej Bialecki# This is sometimes usable for systems which don't have any swap space 26113c4c0efdSBryan Drewery# (see also sysctl "vm.disable_swapspace_pageouts") 2612c796cfa1SAndrzej Bialecki# 261319dde963SPeter Wemm#options NO_SWAPPING 2614c796cfa1SAndrzej Bialecki 26159dab0776SDavid Greenman# Set the number of sf_bufs to allocate. sf_bufs are virtual buffers 26169dab0776SDavid Greenman# for sendfile(2) that are used to map file VM pages, and normally 26179dab0776SDavid Greenman# default to a quantity that is roughly 16*MAXUSERS+512. You would 26189dab0776SDavid Greenman# typically want about 4 of these for each simultaneous file send. 26199dab0776SDavid Greenman# 26205895e3c8SPeter Wemmoptions NSFBUFS=1024 26219dab0776SDavid Greenman 262215a1057cSEivind Eklund# 2623053a2b61SEivind Eklund# Enable extra debugging code for locks. This stores the filename and 26249c0ef6d5SOliver Fromme# line of whatever acquired the lock in the lock itself, and changes a 2625053a2b61SEivind Eklund# number of function calls to pass around the relevant data. This is 26262c048c4aSBryan Drewery# not at all useful unless you are debugging lock code. Note that 26272c048c4aSBryan Drewery# modules should be recompiled as this option modifies KBI. 262815a1057cSEivind Eklund# 262915a1057cSEivind Eklundoptions DEBUG_LOCKS 263015a1057cSEivind Eklund 263126086a03SPeter Wemm 263226086a03SPeter Wemm##################################################################### 26331d33cf3dSNick Hibma# USB support 26341d33cf3dSNick Hibma# UHCI controller 2635c9953c3bSPeter Wemmdevice uhci 26361d33cf3dSNick Hibma# OHCI controller 2637c9953c3bSPeter Wemmdevice ohci 2638ca3acad1SBernd Walter# EHCI controller 2639ca3acad1SBernd Walterdevice ehci 2640857508a3SAndrew Thompson# XHCI controller 2641857508a3SAndrew Thompsondevice xhci 264239e5901eSTakanori Watanabe# SL811 Controller 2643b92755d1SAndrew Thompson#device slhci 26441d33cf3dSNick Hibma# General USB code (mandatory for USB) 2645c9953c3bSPeter Wemmdevice usb 26461d33cf3dSNick Hibma# 2647b5ea1f0cSNick Hibma# USB Double Bulk Pipe devices 2648b5ea1f0cSNick Hibmadevice udbp 2649d1233ab3SBruce Evans# USB Fm Radio 2650d1233ab3SBruce Evansdevice ufm 26512d45d793SHans Petter Selasky# USB temperature meter 26522d45d793SHans Petter Selaskydevice ugold 26536bd03b20SKevin Lo# USB LED 26546bd03b20SKevin Lodevice uled 2655f26c33d2SNick Hibma# Human Interface Device (anything with buttons and dials) 2656c9953c3bSPeter Wemmdevice uhid 26571d33cf3dSNick Hibma# USB keyboard 2658c9953c3bSPeter Wemmdevice ukbd 26591d33cf3dSNick Hibma# USB printer 2660c9953c3bSPeter Wemmdevice ulpt 266131615ef7SRebecca Cran# USB mass storage driver (Requires scbus and da) 2662c9953c3bSPeter Wemmdevice umass 266331615ef7SRebecca Cran# USB mass storage driver for device-side mode 266431615ef7SRebecca Crandevice usfs 2665ce17576aSScott Long# USB support for Belkin F5U109 and Magic Control Technology serial adapters 2666ce17576aSScott Longdevice umct 2667e9fb12d3SNick Hibma# USB modem support 2668e9fb12d3SNick Hibmadevice umodem 2669f26c33d2SNick Hibma# USB mouse 2670c9953c3bSPeter Wemmdevice ums 2671eed447b5SHans Petter Selasky# USB touchpad(s) 2672eed447b5SHans Petter Selaskydevice atp 2673eed447b5SHans Petter Selaskydevice wsp 2674f25a8a01SGleb Smirnoff# eGalax USB touch screen 2675f25a8a01SGleb Smirnoffdevice uep 26761c9c6382SRuslan Ermilov# Diamond Rio 500 MP3 player 2677e2dbd15fSNick Hibmadevice urio 2678d1233ab3SBruce Evans# 2679916e6e02SJosef Karthauser# USB serial support 2680916e6e02SJosef Karthauserdevice ucom 2681fe75118bSNick Hibma# USB support for 3G modem cards by Option, Novatel, Huawei and Sierra 2682483b9e47SNick Hibmadevice u3g 26839aab0d96SMaxim Konovalov# USB support for Technologies ARK3116 based serial adapters 26849aab0d96SMaxim Konovalovdevice uark 2685d1233ab3SBruce Evans# USB support for Belkin F5U103 and compatible serial adapters 2686d1233ab3SBruce Evansdevice ubsa 268748b68edfSJosef Karthauser# USB support for serial adapters based on the FT8U100AX and FT8U232AM 268848b68edfSJosef Karthauserdevice uftdi 2689c5286e11STakanori Watanabe# USB support for some Windows CE based serial communication. 2690c5286e11STakanori Watanabedevice uipaq 269148b68edfSJosef Karthauser# USB support for Prolific PL-2303 serial adapters 2692916e6e02SJosef Karthauserdevice uplcom 26932e7328e7SRink Springer# USB support for Silicon Laboratories CP2101/CP2102 based USB serial adapters 26942e7328e7SRink Springerdevice uslcom 269548b68edfSJosef Karthauser# USB Visor and Palm devices 269648b68edfSJosef Karthauserdevice uvisor 2697d1233ab3SBruce Evans# USB serial support for DDI pocket's PHS 2698d1233ab3SBruce Evansdevice uvscom 2699f26c33d2SNick Hibma# 2700ff6b30b9SKevin Lo# USB ethernet support 2701ff6b30b9SKevin Lodevice uether 2702ed63a7aaSBill Paul# ADMtek USB ethernet. Supports the LinkSys USB100TX, 2703d04bb221SBill Paul# the Billionton USB100, the Melco LU-ATX, the D-Link DSB-650TX 2704d04bb221SBill Paul# and the SMC 2202USB. Also works with the ADMtek AN986 Pegasus 2705d04bb221SBill Paul# eval board. 2706c9953c3bSPeter Wemmdevice aue 2707bf029145SRobert Watson 2708bf029145SRobert Watson# ASIX Electronics AX88172 USB 2.0 ethernet driver. Used in the 2709bf029145SRobert Watson# LinkSys USB200M and various other adapters. 2710bf029145SRobert Watsondevice axe 271179eb99dfSLi-Wen Hsu# ASIX Electronics AX88178A/AX88179 USB 2.0/3.0 gigabit ethernet driver. 271279eb99dfSLi-Wen Hsudevice axge 2713bf029145SRobert Watson 2714dfd1e98eSBill Paul# 27156bcf0032SMaxim Sobolev# Devices which communicate using Ethernet over USB, particularly 27166bcf0032SMaxim Sobolev# Communication Device Class (CDC) Ethernet specification. Supports 27176bcf0032SMaxim Sobolev# Sharp Zaurus PDAs, some DOCSIS cable modems and so on. 27186bcf0032SMaxim Sobolevdevice cdce 27196bcf0032SMaxim Sobolev# 272001779872SBill Paul# CATC USB-EL1201A USB ethernet. Supports the CATC Netmate 272101779872SBill Paul# and Netmate II, and the Belkin F5U111. 2722c9953c3bSPeter Wemmdevice cue 272301779872SBill Paul# 2724dfd1e98eSBill Paul# Kawasaki LSI ethernet. Supports the LinkSys USB10T, 2725d04bb221SBill Paul# Entrega USB-NET-E45, Peracom Ethernet Adapter, the 2726d04bb221SBill Paul# 3Com 3c19250, the ADS Technologies USB-10BT, the ATen UC10T, 272701779872SBill Paul# the Netgear EA101, the D-Link DSB-650, the SMC 2102USB 272801779872SBill Paul# and 2104USB, and the Corega USB-T. 2729c9953c3bSPeter Wemmdevice kue 273011e04b05SShunsuke Akiyama# 273111e04b05SShunsuke Akiyama# RealTek RTL8150 USB to fast ethernet. Supports the Melco LUA-KTX 273211e04b05SShunsuke Akiyama# and the GREEN HOUSE GH-USB100B. 273311e04b05SShunsuke Akiyamadevice rue 2734cdd40f3bSMIHIRA Sanpei Yoshiro# 2735cdd40f3bSMIHIRA Sanpei Yoshiro# Davicom DM9601E USB to fast ethernet. Supports the Corega FEther USB-TXC. 2736cdd40f3bSMIHIRA Sanpei Yoshirodevice udav 2737941e2863SAndrew Thompson# 2738a24d62b5SKevin Lo# RealTek RTL8152/RTL8153 USB Ethernet driver 2739e1b74f21SKevin Lodevice ure 2740e1b74f21SKevin Lo# 274122445463SKevin Lo# Moschip MCS7730/MCS7840 USB to fast ethernet. Supports the Sitecom LN030. 274222445463SKevin Lodevice mos 274322445463SKevin Lo# 2744941e2863SAndrew Thompson# HSxPA devices from Option N.V 2745941e2863SAndrew Thompsondevice uhso 2746cdd40f3bSMIHIRA Sanpei Yoshiro 274731d98677SRui Paulo# Realtek RTL8188SU/RTL8191SU/RTL8192SU wireless driver 274831d98677SRui Paulodevice rsu 27498a4cd00aSWarner Losh# 275071aa1d32SSam Leffler# Ralink Technology RT2501USB/RT2601USB wireless driver 275171aa1d32SSam Lefflerdevice rum 275293393dfdSAndrew Thompson# Ralink Technology RT2700U/RT2800U/RT3000U wireless driver 275393393dfdSAndrew Thompsondevice run 27548a4cd00aSWarner Losh# 275571aa1d32SSam Leffler# Atheros AR5523 wireless driver 275671aa1d32SSam Lefflerdevice uath 275771aa1d32SSam Leffler# 2758d1f25d5dSBernhard Schmidt# Conexant/Intersil PrismGT wireless driver 2759d1f25d5dSBernhard Schmidtdevice upgt 2760d1f25d5dSBernhard Schmidt# 276171aa1d32SSam Leffler# Ralink Technology RT2500USB wireless driver 27628a4cd00aSWarner Loshdevice ural 27638a4cd00aSWarner Losh# 276429311227SHans Petter Selasky# RNDIS USB ethernet driver 276529311227SHans Petter Selaskydevice urndis 27665aaea652SKevin Lo# Realtek RTL8187B/L wireless driver 27675aaea652SKevin Lodevice urtw 27685aaea652SKevin Lo# 276971aa1d32SSam Leffler# ZyDas ZD1211/ZD1211B wireless driver 277071aa1d32SSam Lefflerdevice zyd 277145b395cdSGleb Smirnoff# 277245b395cdSGleb Smirnoff# Sierra USB wireless driver 277345b395cdSGleb Smirnoffdevice usie 2774f26c33d2SNick Hibma 27758a4cd00aSWarner Losh# 2776f26c33d2SNick Hibma# debugging options for the USB subsystem 27771d33cf3dSNick Hibma# 27781d33cf3dSNick Hibmaoptions USB_DEBUG 2779fe75118bSNick Hibmaoptions U3G_DEBUG 2780f26c33d2SNick Hibma 27816e8394b8SKazutaka YOKOTA# options for ukbd: 27826e8394b8SKazutaka YOKOTAoptions UKBD_DFLT_KEYMAP # specify the built-in keymap 27832b375b4eSYoshihiro Takahashimakeoptions UKBD_DFLT_KEYMAP=jp 27846e8394b8SKazutaka YOKOTA 2785565f53bbSShunsuke Akiyama# options for uplcom: 27863c7c6c12SMike Pritchardoptions UPLCOM_INTR_INTERVAL=100 # interrupt pipe interval 2787565f53bbSShunsuke Akiyama # in milliseconds 2788565f53bbSShunsuke Akiyama 278920280807SShunsuke Akiyama# options for uvscom: 279020280807SShunsuke Akiyamaoptions UVSCOM_DEFAULT_OPKTSIZE=8 # default output packet size 27913c7c6c12SMike Pritchardoptions UVSCOM_INTR_INTERVAL=100 # interrupt pipe interval 2792565f53bbSShunsuke Akiyama # in milliseconds 279320280807SShunsuke Akiyama 27948b7ce2ffSSam Leffler##################################################################### 2795869093b1SHidetoshi Shimokawa# FireWire support 27967d2ba89bSJohn Baldwin 2797869093b1SHidetoshi Shimokawadevice firewire # FireWire bus code 27987d2ba89bSJohn Baldwindevice sbp # SCSI over Firewire (Requires scbus and da) 279979acdabbSHidetoshi Shimokawadevice sbp_targ # SBP-2 Target mode (Requires scbus and targ) 2800869093b1SHidetoshi Shimokawadevice fwe # Ethernet over FireWire (non-standard!) 28011c9c6382SRuslan Ermilovdevice fwip # IP over FireWire (RFC2734 and RFC3146) 2802869093b1SHidetoshi Shimokawa 2803869093b1SHidetoshi Shimokawa##################################################################### 2804869093b1SHidetoshi Shimokawa# dcons support (Dumb Console Device) 2805869093b1SHidetoshi Shimokawa 2806869093b1SHidetoshi Shimokawadevice dcons # dumb console driver 2807869093b1SHidetoshi Shimokawadevice dcons_crom # FireWire attachment 2808869093b1SHidetoshi Shimokawaoptions DCONS_BUF_SIZE=16384 # buffer size 2809869093b1SHidetoshi Shimokawaoptions DCONS_POLL_HZ=100 # polling rate 2810869093b1SHidetoshi Shimokawaoptions DCONS_FORCE_CONSOLE=0 # force to be the primary console 2811869093b1SHidetoshi Shimokawaoptions DCONS_FORCE_GDB=1 # force to be the gdb device 28127d2ba89bSJohn Baldwin 28137d2ba89bSJohn Baldwin##################################################################### 28148b7ce2ffSSam Leffler# crypto subsystem 28158b7ce2ffSSam Leffler# 28161c9c6382SRuslan Ermilov# This is a port of the OpenBSD crypto framework. Include this when 2817b2630c29SGeorge V. Neville-Neil# configuring IPSEC and when you have a h/w crypto device to accelerate 28181c9c6382SRuslan Ermilov# user applications that link to OpenSSL. 28198b7ce2ffSSam Leffler# 28201c9c6382SRuslan Ermilov# Drivers are ports from OpenBSD with some simple enhancements that have 28211c9c6382SRuslan Ermilov# been fed back to OpenBSD. 28228b7ce2ffSSam Leffler 28238b7ce2ffSSam Lefflerdevice crypto # core crypto support 2824b65946c6SJohn-Mark Gurney 2825b65946c6SJohn-Mark Gurney# Only install the cryptodev device if you are running tests, or know 2826e0b231cbSJohn-Mark Gurney# specifically why you need it. In most cases, it is not needed and 2827e0b231cbSJohn-Mark Gurney# will make things slower. 28288b7ce2ffSSam Lefflerdevice cryptodev # /dev/crypto for access to h/w 28298b7ce2ffSSam Leffler 2830ac7e2c05SSam Lefflerdevice rndtest # FIPS 140-2 entropy tester 28318b7ce2ffSSam Leffler 28325033c43bSJohn Baldwindevice ccr # Chelsio T6 28335033c43bSJohn Baldwin 2834b7c4858fSSam Lefflerdevice hifn # Hifn 7951, 7781, etc. 2835b7c4858fSSam Leffleroptions HIFN_DEBUG # enable debugging support: hw.hifn.debug 2836b7c4858fSSam Leffleroptions HIFN_RNDTEST # enable rndtest support 2837b7c4858fSSam Leffler 2838b7c4858fSSam Lefflerdevice ubsec # Broadcom 5501, 5601, 58xx 2839b7c4858fSSam Leffleroptions UBSEC_DEBUG # enable debugging support: hw.ubsec.debug 2840b7c4858fSSam Leffleroptions UBSEC_RNDTEST # enable rndtest support 2841b7c4858fSSam Leffler 28428b7ce2ffSSam Leffler##################################################################### 28438b7ce2ffSSam Leffler 28448b7ce2ffSSam Leffler 2845785d2100SJohn Birrell# 2846785d2100SJohn Birrell# Embedded system options: 2847785d2100SJohn Birrell# 2848785d2100SJohn Birrell# An embedded system might want to run something other than init. 28490fc9f11dSSergey Kandaurovoptions INIT_PATH=/sbin/init:/rescue/init 2850bc0e3a03SJeroen Ruigrok van der Werven 2851bc0e3a03SJeroen Ruigrok van der Werven# Debug options 2852bc0e3a03SJeroen Ruigrok van der Wervenoptions BUS_DEBUG # enable newbus debugging 28531c9c6382SRuslan Ermilovoptions DEBUG_VFS_LOCKS # enable VFS lock debugging 2854395bb186SSam Leffleroptions SOCKBUF_DEBUG # enable sockbuf last record/mb tail checking 285541c1a233SGleb Smirnoffoptions IFMEDIA_DEBUG # enable debugging in net/if_media.c 2856bc0e3a03SJeroen Ruigrok van der Werven 2857e2c1a4e9SBenno Rice# 2858e2c1a4e9SBenno Rice# Verbose SYSINIT 2859e2c1a4e9SBenno Rice# 2860e2c1a4e9SBenno Rice# Make the SYSINIT process performed by mi_startup() verbose. This is very 2861e2c1a4e9SBenno Rice# useful when porting to a new architecture. If DDB is also enabled, this 2862e2c1a4e9SBenno Rice# will print function names instead of addresses. 2863e2c1a4e9SBenno Riceoptions VERBOSE_SYSINIT 2864e2c1a4e9SBenno Rice 2865446af86dSJohn Baldwin##################################################################### 2866446af86dSJohn Baldwin# SYSV IPC KERNEL PARAMETERS 2867446af86dSJohn Baldwin# 2868446af86dSJohn Baldwin# Maximum number of System V semaphores that can be used on the system at 2869446af86dSJohn Baldwin# one time. 2870446af86dSJohn Baldwinoptions SEMMNI=11 2871446af86dSJohn Baldwin 2872446af86dSJohn Baldwin# Total number of semaphores system wide 2873446af86dSJohn Baldwinoptions SEMMNS=61 2874446af86dSJohn Baldwin 2875446af86dSJohn Baldwin# Total number of undo structures in system 2876446af86dSJohn Baldwinoptions SEMMNU=31 2877446af86dSJohn Baldwin 2878446af86dSJohn Baldwin# Maximum number of System V semaphores that can be used by a single process 2879446af86dSJohn Baldwin# at one time. 2880446af86dSJohn Baldwinoptions SEMMSL=61 2881446af86dSJohn Baldwin 2882446af86dSJohn Baldwin# Maximum number of operations that can be outstanding on a single System V 2883446af86dSJohn Baldwin# semaphore at one time. 2884446af86dSJohn Baldwinoptions SEMOPM=101 2885446af86dSJohn Baldwin 2886446af86dSJohn Baldwin# Maximum number of undo operations that can be outstanding on a single 2887446af86dSJohn Baldwin# System V semaphore at one time. 2888446af86dSJohn Baldwinoptions SEMUME=11 2889446af86dSJohn Baldwin 2890446af86dSJohn Baldwin# Maximum number of shared memory pages system wide. 2891446af86dSJohn Baldwinoptions SHMALL=1025 2892446af86dSJohn Baldwin 2893446af86dSJohn Baldwin# Maximum size, in bytes, of a single System V shared memory region. 289425388b6cSBruce Evansoptions SHMMAX=(SHMMAXPGS*PAGE_SIZE+1) 2895446af86dSJohn Baldwinoptions SHMMAXPGS=1025 2896446af86dSJohn Baldwin 2897446af86dSJohn Baldwin# Minimum size, in bytes, of a single System V shared memory region. 2898446af86dSJohn Baldwinoptions SHMMIN=2 2899446af86dSJohn Baldwin 2900446af86dSJohn Baldwin# Maximum number of shared memory regions that can be used on the system 2901446af86dSJohn Baldwin# at one time. 2902446af86dSJohn Baldwinoptions SHMMNI=33 2903446af86dSJohn Baldwin 2904446af86dSJohn Baldwin# Maximum number of System V shared memory regions that can be attached to 2905446af86dSJohn Baldwin# a single process at one time. 2906446af86dSJohn Baldwinoptions SHMSEG=9 2907446af86dSJohn Baldwin 2908d9282887SDima Dorfman# Set the amount of time (in seconds) the system will wait before 2909d9282887SDima Dorfman# rebooting automatically when a kernel panic occurs. If set to (-1), 2910d9282887SDima Dorfman# the system will wait indefinitely until a key is pressed on the 2911d9282887SDima Dorfman# console. 2912d9282887SDima Dorfmanoptions PANIC_REBOOT_WAIT_TIME=16 2913d9282887SDima Dorfman 29145bbb8060STor Egge# Attempt to bypass the buffer cache and put data directly into the 29155bbb8060STor Egge# userland buffer for read operation when O_DIRECT flag is set on the 29165bbb8060STor Egge# file. Both offset and length of the read operation must be 29175bbb8060STor Egge# multiples of the physical media sector size. 29185bbb8060STor Egge# 2919995356dcSDag-Erling Smørgravoptions DIRECTIO 29205bbb8060STor Egge 29215bbb8060STor Egge# Specify a lower limit for the number of swap I/O buffers. They are 29225bbb8060STor Egge# (among other things) used when bypassing the buffer cache due to 29235bbb8060STor Egge# DIRECTIO kernel option enabled and O_DIRECT flag set on file. 29245bbb8060STor Egge# 2925995356dcSDag-Erling Smørgravoptions NSWBUF_MIN=120 29265bbb8060STor Egge 2927446af86dSJohn Baldwin##################################################################### 2928446af86dSJohn Baldwin 2929bc0e3a03SJeroen Ruigrok van der Werven# More undocumented options for linting. 29309c0ef6d5SOliver Fromme# Note that documenting these is not considered an affront. 2931bc0e3a03SJeroen Ruigrok van der Werven 2932bc0e3a03SJeroen Ruigrok van der Wervenoptions CAM_DEBUG_DELAY 293328d7984fSJeroen Ruigrok van der Werven 293428d7984fSJeroen Ruigrok van der Werven# VFS cluster debugging. 2935bc0e3a03SJeroen Ruigrok van der Wervenoptions CLUSTERDEBUG 293628d7984fSJeroen Ruigrok van der Werven 2937bc0e3a03SJeroen Ruigrok van der Wervenoptions DEBUG 29388b6f5e65SJeroen Ruigrok van der Werven 293928d7984fSJeroen Ruigrok van der Werven# Kernel filelock debugging. 2940bc0e3a03SJeroen Ruigrok van der Wervenoptions LOCKF_DEBUG 294128d7984fSJeroen Ruigrok van der Werven 29428b6f5e65SJeroen Ruigrok van der Werven# System V compatible message queues 29438b6f5e65SJeroen Ruigrok van der Werven# Please note that the values provided here are used to test kernel 29448b6f5e65SJeroen Ruigrok van der Werven# building. The defaults in the sources provide almost the same numbers. 29458b6f5e65SJeroen Ruigrok van der Werven# MSGSSZ must be a power of 2 between 8 and 1024. 29468b6f5e65SJeroen Ruigrok van der Wervenoptions MSGMNB=2049 # Max number of chars in queue 29478b6f5e65SJeroen Ruigrok van der Wervenoptions MSGMNI=41 # Max number of message queue identifiers 29488b6f5e65SJeroen Ruigrok van der Wervenoptions MSGSEG=2049 # Max number of message segments 29498b6f5e65SJeroen Ruigrok van der Wervenoptions MSGSSZ=16 # Size of a message segment 29508b6f5e65SJeroen Ruigrok van der Wervenoptions MSGTQL=41 # Max number of messages in system 29518b6f5e65SJeroen Ruigrok van der Werven 29528b6f5e65SJeroen Ruigrok van der Wervenoptions NBUF=512 # Number of buffer headers 29538b6f5e65SJeroen Ruigrok van der Werven 2954bc0e3a03SJeroen Ruigrok van der Wervenoptions SCSI_NCR_DEBUG 2955bc0e3a03SJeroen Ruigrok van der Wervenoptions SCSI_NCR_MAX_SYNC=10000 2956bc0e3a03SJeroen Ruigrok van der Wervenoptions SCSI_NCR_MAX_WIDE=1 2957bc0e3a03SJeroen Ruigrok van der Wervenoptions SCSI_NCR_MYADDR=7 29588b6f5e65SJeroen Ruigrok van der Werven 29598b6f5e65SJeroen Ruigrok van der Wervenoptions SC_DEBUG_LEVEL=5 # Syscons debug level 29608b6f5e65SJeroen Ruigrok van der Wervenoptions SC_RENDER_DEBUG # syscons rendering debugging 29618b6f5e65SJeroen Ruigrok van der Werven 29628b6f5e65SJeroen Ruigrok van der Wervenoptions VFS_BIO_DEBUG # VFS buffer I/O debugging 29638b6f5e65SJeroen Ruigrok van der Werven 2964316ec49aSScott Longoptions KSTACK_MAX_PAGES=32 # Maximum pages to give the kernel stack 2965b7627840SKonstantin Belousovoptions KSTACK_USAGE_PROF 2966316ec49aSScott Long 2967662d3818SScott Long# Adaptec Array Controller driver options 2968662d3818SScott Longoptions AAC_DEBUG # Debugging levels: 2969662d3818SScott Long # 0 - quiet, only emit warnings 2970662d3818SScott Long # 1 - noisy, emit major function 2971662d3818SScott Long # points and things done 2972662d3818SScott Long # 2 - extremely noisy, emit trace 2973662d3818SScott Long # items in loops, etc. 2974662d3818SScott Long 2975097055e2SEdward Tomasz Napierala# Resource Accounting 2976097055e2SEdward Tomasz Napieralaoptions RACCT 2977097055e2SEdward Tomasz Napierala 2978ec125fbbSEdward Tomasz Napierala# Resource Limits 2979ec125fbbSEdward Tomasz Napieralaoptions RCTL 2980ec125fbbSEdward Tomasz Napierala 29811e9ea774SBruce Evans# Yet more undocumented options for linting. 29821e9ea774SBruce Evans# BKTR_ALLOC_PAGES has no effect except to cause warnings, and 29831e9ea774SBruce Evans# BROOKTREE_ALLOC_PAGES hasn't actually been superseded by it, since the 29841e9ea774SBruce Evans# driver still mostly spells this option BROOKTREE_ALLOC_PAGES. 298525388b6cSBruce Evans##options BKTR_ALLOC_PAGES=(217*4+1) 298625388b6cSBruce Evansoptions BROOKTREE_ALLOC_PAGES=(217*4+1) 29871e9ea774SBruce Evansoptions MAXFILES=999 2988efba048eSXin LI 2989997b0a64SDag-Erling Smørgrav# Random number generator 299010cb2424SMark Murray# Only ONE of the below two may be used; they are mutually exclusive. 2991646041a8SMark Murray# If neither is present, then the Fortuna algorithm is selected. 2992646041a8SMark Murray#options RANDOM_YARROW # Yarrow CSPRNG (old default) 2993646041a8SMark Murray#options RANDOM_LOADABLE # Allow the algorithm to be loaded as 2994646041a8SMark Murray # a module. 2995e866d8f0SMark Murray# Select this to allow high-rate but potentially expensive 2996e866d8f0SMark Murray# harvesting of Slab-Allocator entropy. In very high-rate 2997e866d8f0SMark Murray# situations the value of doing this is dubious at best. 2998e866d8f0SMark Murrayoptions RANDOM_ENABLE_UMA # slab allocator 299981e3caafSJustin Hibbits 3000a6bc59f2SMatt Macy# Select this to allow high-rate but potentially expensive 3001a6bc59f2SMatt Macy# harvesting of of the m_next pointer in the mbuf. Note that 3002a6bc59f2SMatt Macy# the m_next pointer is NULL except when receiving > 4K 3003a6bc59f2SMatt Macy# jumbo frames or sustained bursts by way of LRO. Thus in 3004a6bc59f2SMatt Macy# the common case it is stirring zero in to the entropy 3005a6bc59f2SMatt Macy# pool. In cases where it is not NULL it is pointing to one 3006a6bc59f2SMatt Macy# of a small (in the thousands to 10s of thousands) number 3007a6bc59f2SMatt Macy# of 256 byte aligned mbufs. Hence it is, even in the best 3008a6bc59f2SMatt Macy# case, a poor source of entropy. And in the absence of actual 3009a6bc59f2SMatt Macy# runtime analysis of entropy collection may mislead the user in 3010a6bc59f2SMatt Macy# to believe that substantially more entropy is being collected 3011a6bc59f2SMatt Macy# than in fact is - leading to a different class of security 3012a6bc59f2SMatt Macy# risk. In high packet rate situations ethernet entropy 3013a6bc59f2SMatt Macy# collection is also very expensive, possibly leading to as 3014a6bc59f2SMatt Macy# much as a 50% drop in packets received. 3015a6bc59f2SMatt Macy# This option is present to maintain backwards compatibility 3016a6bc59f2SMatt Macy# if desired, however it cannot be recommended for use in any 3017a6bc59f2SMatt Macy# environment. 3018a6bc59f2SMatt Macyoptions RANDOM_ENABLE_ETHER # ether_input 3019a6bc59f2SMatt Macy 302081e3caafSJustin Hibbits# Module to enable execution of application via emulators like QEMU 302181e3caafSJustin Hibbitsoptions IMAGACT_BINMISC 3022aa14e9b7SMark Johnston 3023aa14e9b7SMark Johnston# zlib I/O stream support 3024aa14e9b7SMark Johnston# This enables support for compressed core dumps. 3025aa14e9b7SMark Johnstonoptions GZIO 3026fb403678SAdrian Chadd 30276026dcd7SMark Johnston# zstd I/O stream support 30286026dcd7SMark Johnston# This enables support for Zstd compressed core dumps. 30296026dcd7SMark Johnstonoptions ZSTDIO 30306026dcd7SMark Johnston 3031fb403678SAdrian Chadd# BHND(4) drivers 3032fb403678SAdrian Chaddoptions BHND_LOGLEVEL # Logging threshold level 30332b3f6d66SOleksandr Tymoshenko 30342b3f6d66SOleksandr Tymoshenko# evdev interface 3035a6b15a34SOleksandr Tymoshenkodevice evdev # input event device support 3036a6b15a34SOleksandr Tymoshenkooptions EVDEV_SUPPORT # evdev support in legacy drivers 3037a6b15a34SOleksandr Tymoshenkooptions EVDEV_DEBUG # enable event debug msgs 3038a6b15a34SOleksandr Tymoshenkodevice uinput # install /dev/uinput cdev 3039a6b15a34SOleksandr Tymoshenkooptions UINPUT_DEBUG # enable uinput debug msgs 3040480f31c2SKonrad Witaszczyk 3041480f31c2SKonrad Witaszczyk# Encrypted kernel crash dumps. 3042480f31c2SKonrad Witaszczykoptions EKCD 3043