1ba1cabf4SPeter Wemm# 2afa88623SPeter Wemm# GENERIC -- Generic kernel configuration file for FreeBSD/amd64 3677060b4SPoul-Henning Kamp# 4650ea0d6SLuigi Rizzo# For more information on this file, please read the config(5) manual page, 5650ea0d6SLuigi Rizzo# and/or the handbook section on Kernel Configuration Files: 6d571daa0SJordan K. Hubbard# 7a2aef24aSEitan Adler# https://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html 8d571daa0SJordan K. Hubbard# 9d571daa0SJordan K. Hubbard# The handbook is also available locally in /usr/share/doc/handbook 10d571daa0SJordan K. Hubbard# if you've installed the doc distribution, otherwise always see the 11a2aef24aSEitan Adler# FreeBSD World Wide Web server (https://www.FreeBSD.org/) for the 12d571daa0SJordan K. Hubbard# latest information. 13677060b4SPoul-Henning Kamp# 148830dd31SWolfram Schneider# An exhaustive list of options and more detailed explanations of the 15dde04295SJohn Baldwin# device lines is also present in the ../../conf/NOTES and NOTES files. 16dde04295SJohn Baldwin# If you are in doubt as to the purpose or necessity of a line, check first 17dde04295SJohn Baldwin# in NOTES. 188830dd31SWolfram Schneider# 19c3aac50fSPeter Wemm# $FreeBSD$ 20677060b4SPoul-Henning Kamp 21afa88623SPeter Wemmcpu HAMMER 22677060b4SPoul-Henning Kampident GENERIC 23677060b4SPoul-Henning Kamp 243f1afabfSWarner Loshmakeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols 25e9acaa9aSBrooks Davismakeoptions WITH_CTF=1 # Run ctfconvert(1) for DTrace support 26713c9391SDavid E. O'Brien 2795b55771SKen Smithoptions SCHED_ULE # ULE scheduler 28444ba945SScott Longoptions PREEMPTION # Enable kernel thread preemption 298e94025bSBjoern A. Zeeboptions VIMAGE # Subsystem virtualization, e.g. VNET 30677060b4SPoul-Henning Kampoptions INET # InterNETworking 31ba1cabf4SPeter Wemmoptions INET6 # IPv6 communications protocols 329d0ec2a9SJosh Paetzeloptions IPSEC # IP (v4/v6) security 333b65550eSJosh Paetzeloptions IPSEC_SUPPORT # Allow kldload of ipsec and tcpmd5 3409fe6320SNavdeep Parharoptions TCP_OFFLOAD # TCP offload 35e24e5683SJonathan T. Looneyoptions TCP_BLACKBOX # Enhanced TCP event logging 36bd79708dSJonathan T. Looneyoptions TCP_HHOOK # hhook(9) framework for TCP 3718a75309SPatrick Kelseyoptions TCP_RFC7413 # TCP Fast Open 384fabde56SChristian Bruefferoptions SCTP # Stream Control Transmission Protocol 394525c93eSJordan K. Hubbardoptions FFS # Berkeley Fast Filesystem 40bc265916SPeter Wemmoptions SOFTUPDATES # Enable FFS soft updates support 41ba1cabf4SPeter Wemmoptions UFS_ACL # Support for access control lists 42ba1cabf4SPeter Wemmoptions UFS_DIRHASH # Improve performance on big directories 43fef2a259SPawel Jakub Dawidekoptions UFS_GJOURNAL # Enable gjournal-based UFS journaling 440dcbedfaSKonstantin Belousovoptions QUOTA # Enable disk quotas for UFS 4570c3f049SMark Murrayoptions MD_ROOT # MD is a potential root device 463e32dff5SJohn Baldwinoptions NFSCL # Network Filesystem Client 473e32dff5SJohn Baldwinoptions NFSD # Network Filesystem Server 48fa9d9930SDoug Rabsonoptions NFSLOCKD # Network Lock Manager 4988c037e2SRick Macklemoptions NFS_ROOT # NFS usable as /, requires NFSCL 50ba1cabf4SPeter Wemmoptions MSDOSFS # MSDOS Filesystem 51ba1cabf4SPeter Wemmoptions CD9660 # ISO 9660 Filesystem 52ba1cabf4SPeter Wemmoptions PROCFS # Process filesystem (requires PSEUDOFS) 53ba1cabf4SPeter Wemmoptions PSEUDOFS # Pseudo-filesystem framework 541d3aed33SMarcel Moolenaaroptions GEOM_PART_GPT # GUID Partition Tables. 55c078c188SAlexander Motinoptions GEOM_RAID # Soft RAID functionality. 56983f9709SBrooks Davisoptions GEOM_LABEL # Provides labelization 57841c0c7eSNathan Whitehornoptions COMPAT_FREEBSD32 # Compatible with i386 binaries 58713c9391SDavid E. O'Brienoptions COMPAT_FREEBSD4 # Compatible with FreeBSD4 5922e59cecSKen Smithoptions COMPAT_FREEBSD5 # Compatible with FreeBSD5 606c9fdda7SRuslan Ermilovoptions COMPAT_FREEBSD6 # Compatible with FreeBSD6 615965c4b7SJohn Baldwinoptions COMPAT_FREEBSD7 # Compatible with FreeBSD7 627d313e7bSJohn Baldwinoptions COMPAT_FREEBSD9 # Compatible with FreeBSD9 637d313e7bSJohn Baldwinoptions COMPAT_FREEBSD10 # Compatible with FreeBSD10 647f68a896SMark Johnstonoptions COMPAT_FREEBSD11 # Compatible with FreeBSD11 6532672ba8SAndre Oppermannoptions SCSI_DELAY=5000 # Delay (in ms) before probing SCSI 66ba1cabf4SPeter Wemmoptions KTRACE # ktrace(1) support 673c90d1eaSRobert Watsonoptions STACK # stack(9) support 68713c9391SDavid E. O'Brienoptions SYSVSHM # SYSV-style shared memory 69713c9391SDavid E. O'Brienoptions SYSVMSG # SYSV-style message queues 70713c9391SDavid E. O'Brienoptions SYSVSEM # SYSV-style semaphores 71118ef86eSJohn Baldwinoptions _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions 72c2919fd8SEd Schoutenoptions PRINTF_BUFR_SIZE=128 # Prevent printf output being interspersed. 73ba1cabf4SPeter Wemmoptions KBD_INSTALL_CDEV # install a CDEV entry in /dev 74dbd47f15SXin LIoptions HWPMC_HOOKS # Necessary kernel hooks for hwpmc(4) 7568ce278eSMaxim Sobolevoptions AUDIT # Security event auditing 76009d2032SRobert Watsonoptions CAPABILITY_MODE # Capsicum capability mode 77009d2032SRobert Watsonoptions CAPABILITIES # Capsicum capabilities 78bd875f5fSRobert Watsonoptions MAC # TrustedBSD MAC Framework 79e9acaa9aSBrooks Davisoptions KDTRACE_FRAME # Ensure frames are compiled in 80e9acaa9aSBrooks Davisoptions KDTRACE_HOOKS # Kernel DTrace hooks 81b3a397a8SBrooks Davisoptions DDB_CTF # Kernel ELF linker loads CTF data 8287948dfdSWarner Loshoptions INCLUDE_CONFIG_FILE # Include this file in kernel 83ba8f0eb8SEdward Tomasz Napieralaoptions RACCT # Resource accounting framework 84ba8f0eb8SEdward Tomasz Napieralaoptions RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default 85ba8f0eb8SEdward Tomasz Napieralaoptions RCTL # Resource limits 86677060b4SPoul-Henning Kamp 876168545aSKen Smith# Debugging support. Always need this: 888bcb1e9eSMarcel Moolenaaroptions KDB # Enable kernel debugger support. 89818d282eSAndriy Gaponoptions KDB_TRACE # Print a stack trace for a panic. 909ba0691bSAndriy Gapon# For full debugger support use (turn off in stable branch): 918532d381SConrad Meyeroptions BUF_TRACKING # Track buffer history 928bcb1e9eSMarcel Moolenaaroptions DDB # Support DDB. 938532d381SConrad Meyeroptions FULL_BUF_TRACKING # Track more buffer history 948bcb1e9eSMarcel Moolenaaroptions GDB # Support remote GDB. 9588cbfa85SAttilio Raooptions DEADLKRES # Enable the deadlock resolver 96686710f7SAttilio Raooptions INVARIANTS # Enable calls of extra sanity checking 9747e87d5aSWarner Loshoptions INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS 98686710f7SAttilio Raooptions WITNESS # Enable checks to detect deadlocks and cycles 99686710f7SAttilio Raooptions WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed 100686710f7SAttilio Raooptions MALLOC_DEBUG_MAXZONES=8 # Separate malloc(9) zones 1018fab58d8SPoul-Henning Kamp 102b8aeddf1SPeter Wemm# Make an SMP-capable kernel by default 103b8aeddf1SPeter Wemmoptions SMP # Symmetric MultiProcessor Kernel 104b6638164SJohn Baldwinoptions EARLY_AP_STARTUP 105118ef86eSJohn Baldwin 106a7b811a6SNate Lawson# CPU frequency control 107a7b811a6SNate Lawsondevice cpufreq 108a7b811a6SNate Lawson 10954903605SPeter Wemm# Bus support. 110a4d60a7fSPeter Wemmdevice acpi 11186be9f0dSKonstantin Belousovoptions ACPI_DMAR 112b618108fSPeter Wemmdevice pci 11382cb5c3bSJohn Baldwinoptions PCI_HP # PCI-Express native HotPlug 1149bfb1e36SRyan Stoneoptions PCI_IOV # PCI SR-IOV support 115ba1cabf4SPeter Wemm 116ba1cabf4SPeter Wemm# Floppy drives 117ba1cabf4SPeter Wemmdevice fdc 118677060b4SPoul-Henning Kamp 11997b53e36SAlexander Motin# ATA controllers 12097b53e36SAlexander Motindevice ahci # AHCI-compatible SATA controllers 12197b53e36SAlexander Motindevice ata # Legacy ATA/SATA controllers 12297b53e36SAlexander Motindevice mvs # Marvell 88SX50XX/88SX60XX/88SX70XX/SoC SATA 12397b53e36SAlexander Motindevice siis # SiliconImage SiI3124/SiI3132/SiI3531 SATA 124ff680471SDavid E. O'Brien 125ba1cabf4SPeter Wemm# SCSI Controllers 126ba1cabf4SPeter Wemmdevice ahc # AHA2940 and onboard AIC7xxx devices 127ba1cabf4SPeter Wemmdevice ahd # AHA39320/29320 and onboard AIC79xx devices 128a9ab459bSMarius Strobldevice esp # AMD Am53C974 (Tekram DC-390(T)) 1294439f8b4SScott Longdevice hptiop # Highpoint RocketRaid 3xxx series 130ba1cabf4SPeter Wemmdevice isp # Qlogic family 13146ec31b0SPeter Wemm#device ispfw # Firmware for QLogic HBAs- normally a module 132ba1cabf4SPeter Wemmdevice mpt # LSI-Logic MPT-Fusion 133d3c7b9a0SKenneth D. Merrydevice mps # LSI-Logic MPT-Fusion 2 134991554f2SKenneth D. Merrydevice mpr # LSI-Logic MPT-Fusion 3 135ba1cabf4SPeter Wemm#device ncr # NCR/Symbios Logic 136b8aeddf1SPeter Wemmdevice sym # NCR/Symbios Logic (newer chipsets + those of `ncr') 137ba1cabf4SPeter Wemmdevice trm # Tekram DC395U/UW/F DC315U adapters 138ba1cabf4SPeter Wemm 139ba1cabf4SPeter Wemmdevice adv # Advansys SCSI adapters 140ba1cabf4SPeter Wemmdevice adw # Advansys wide SCSI adapters 141ba1cabf4SPeter Wemmdevice aic # Adaptec 15[012]x SCSI adapters, AIC-6[23]60. 142ba1cabf4SPeter Wemmdevice bt # Buslogic/Mylex MultiMaster SCSI adapters 143f11c7f63SJim Harrisdevice isci # Intel C600 SAS controller 144ef270ab1SKenneth D. Merrydevice ocs_fc # Emulex FC adapters 145ba1cabf4SPeter Wemm 14697b53e36SAlexander Motin# ATA/SCSI peripherals 14797b53e36SAlexander Motindevice scbus # SCSI bus (required for ATA/SCSI) 148ba1cabf4SPeter Wemmdevice ch # SCSI media changers 149ba1cabf4SPeter Wemmdevice da # Direct Access (disks) 150ba1cabf4SPeter Wemmdevice sa # Sequential Access (tape etc) 151ba1cabf4SPeter Wemmdevice cd # CD 15297b53e36SAlexander Motindevice pass # Passthrough device (direct ATA/SCSI access) 153130f4520SKenneth D. Merrydevice ses # Enclosure Services (SES and SAF-TE) 1548ed98609SEdward Tomasz Napierala#device ctl # CAM Target Layer 155ba1cabf4SPeter Wemm 156a4d60a7fSPeter Wemm# RAID controllers interfaced to the SCSI subsystem 1574d598bc1SMaxim Sobolevdevice amr # AMI MegaRAID 158d0885ac3SScott Longdevice arcmsr # Areca SATA II RAID 159a4d60a7fSPeter Wemmdevice ciss # Compaq Smart RAID 5* 160a4d60a7fSPeter Wemmdevice dpt # DPT Smartcache III, IV - See NOTES for options 161dc8540a9SScott Longdevice hptmv # Highpoint RocketRAID 182x 1621fdeb165SXin LIdevice hptnr # Highpoint DC7280, R750 163b063a422SScott Longdevice hptrr # Highpoint RocketRAID 17xx, 22xx, 23xx, 25xx 1640807ad74SXin LIdevice hpt27xx # Highpoint RocketRAID 27xx 165a4d60a7fSPeter Wemmdevice iir # Intel Integrated RAID 166a4d60a7fSPeter Wemmdevice ips # IBM (Adaptec) ServeRAID 167a4d60a7fSPeter Wemmdevice mly # Mylex AcceleRAID/eXtremeRAID 1682a779082SPeter Wemmdevice twa # 3ware 9000 series PATA/SATA RAID 169309dca01SXin LIdevice tws # LSI 3ware 9750 SATA+SAS 6Gb/s RAID controller 170a4d60a7fSPeter Wemm 171ba1cabf4SPeter Wemm# RAID controllers 172df6ece38SPeter Wemmdevice aac # Adaptec FSA RAID 173df6ece38SPeter Wemmdevice aacp # SCSI passthrough for aac (requires CAM) 174dce93cd0SAchim Leubnerdevice aacraid # Adaptec by PMC RAID 175ba1cabf4SPeter Wemmdevice ida # Compaq Smart RAID 1767f631a41SScott Longdevice mfi # LSI MegaRAID SAS 177ba1cabf4SPeter Wemmdevice mlx # Mylex DAC960 family 178a58b4afaSMark Johnstondevice mrsas # LSI/Avago MegaRAID SAS/SATA, 6Gb/s and 12Gb/s 17975333e64SWarner Loshdevice pmspcv # PMC-Sierra SAS/SATA Controller driver 180ba1cabf4SPeter Wemm#XXX pointer/int warnings 181ba1cabf4SPeter Wemm#device pst # Promise Supertrak SX6000 182ba1cabf4SPeter Wemmdevice twe # 3ware ATA RAID 183ba1cabf4SPeter Wemm 1846e3471bdSJim Harris# NVM Express (NVMe) support 1856e3471bdSJim Harrisdevice nvme # base NVMe driver 1866e3471bdSJim Harrisdevice nvd # expose NVMe namespaces as disks, depends on nvme 1876e3471bdSJim Harris 18823f7bd17SBrian Somers# atkbdc0 controls both the keyboard and the PS/2 mouse 18914426b9cSPeter Wemmdevice atkbdc # AT keyboard controller 19014426b9cSPeter Wemmdevice atkbd # AT keyboard 19114426b9cSPeter Wemmdevice psm # PS/2 mouse 1922ad872c5SKazutaka YOKOTA 193b6431012SMaksim Yevmenkindevice kbdmux # keyboard multiplexer 194b6431012SMaksim Yevmenkin 19514426b9cSPeter Wemmdevice vga # VGA video card driver 196e883bb1aSJung-uk Kimoptions VESA # Add support for VESA BIOS Extensions (VBE) 1972ad872c5SKazutaka YOKOTA 19814426b9cSPeter Wemmdevice splash # Splash screen and screen saver support 1992ad872c5SKazutaka YOKOTA 200c19da41eSPeter Wemm# syscons is the default console driver, resembling an SCO console 20114426b9cSPeter Wemmdevice sc 20200c885e1SJung-uk Kimoptions SC_PIXEL_MODE # add support for the raster text mode 2035895e3c8SPeter Wemm 20430dbb3eaSEd Maste# vt is the new video console driver 20530dbb3eaSEd Mastedevice vt 20630dbb3eaSEd Mastedevice vt_vga 20730dbb3eaSEd Mastedevice vt_efifb 20830dbb3eaSEd Maste 209354096a3SEric Anholtdevice agp # support several AGP chipsets 210354096a3SEric Anholt 211ba1cabf4SPeter Wemm# PCCARD (PCMCIA) support 2123a0bfa76SPeter Wemm# PCMCIA and cardbus bridge support 213ba1cabf4SPeter Wemmdevice cbb # cardbus (yenta) bridge 214ba1cabf4SPeter Wemmdevice pccard # PC Card (16-bit) bus 215ba1cabf4SPeter Wemmdevice cardbus # CardBus (32-bit) bus 216e597b497SNate Williams 2171f06573dSPeter Wemm# Serial (COM) ports 21838195fdcSMarcel Moolenaardevice uart # Generic UART driver 219677060b4SPoul-Henning Kamp 22004e83575SJoseph Koshy# Parallel port 221ba1cabf4SPeter Wemmdevice ppc 222ba1cabf4SPeter Wemmdevice ppbus # Parallel port bus (required) 223ba1cabf4SPeter Wemmdevice lpt # Printer 224ba1cabf4SPeter Wemmdevice ppi # Parallel port interface device 225ba1cabf4SPeter Wemm#device vpo # Requires scbus and da 226ba1cabf4SPeter Wemm 2273a3ba1b0SJohn Baldwindevice puc # Multi I/O cards and multi-channel UARTs 228ba1cabf4SPeter Wemm 229ba1cabf4SPeter Wemm# PCI Ethernet NICs. 2304e400768SDavid Christensendevice bxe # Broadcom NetXtreme II BCM5771X/BCM578XX 10GbE 231ba1cabf4SPeter Wemmdevice de # DEC/Intel DC21x4x (``Tulip'') 232859ff640SJack F Vogeldevice em # Intel PRO/1000 Gigabit Ethernet Family 233758cc3dcSJack F Vogeldevice ix # Intel PRO/10GbE PCIE PF Ethernet 234758cc3dcSJack F Vogeldevice ixv # Intel PRO/10GbE PCIE VF Ethernet 23514f2533cSBjoern A. Zeebdevice ixl # Intel XL710 40Gbe PCIE Ethernet 236cb6b8299SEric Joyneroptions IXL_IW # Enable iWARP Client Interface in ixl(4) 23714f2533cSBjoern A. Zeebdevice ixlv # Intel XL710 40Gbe VF PCIE Ethernet 2388df071afSMarius Strobldevice le # AMD Am7900 LANCE and Am79C9xx PCnet 2396e535f6eSRemko Lodderdevice ti # Alteon Networks Tigon I/II gigabit Ethernet 240ba1cabf4SPeter Wemmdevice txp # 3Com 3cR990 (``Typhoon'') 241ba1cabf4SPeter Wemmdevice vx # 3Com 3c590, 3c595 (``Vortex'') 242c6a5d1a6SPeter Wemm 243c6a5d1a6SPeter Wemm# PCI Ethernet NICs that use the common MII bus controller code. 244f94a808cSNik Clayton# NOTE: Be sure to keep the 'device miibus' line in order to use these NICs! 245c9953c3bSPeter Wemmdevice miibus # MII bus support 246ba26d470SStanislav Sedovdevice ae # Attansic/Atheros L2 FastEthernet 24783a17b90SPyun YongHyeondevice age # Attansic/Atheros L1 Gigabit Ethernet 248d68875ebSPyun YongHyeondevice alc # Atheros AR8131/AR8132 Ethernet 2493c6e15bcSPyun YongHyeondevice ale # Atheros AR8121/AR8113/AR8114 Ethernet 250d8636a9aSPaul Saabdevice bce # Broadcom BCM5706/BCM5708 Gigabit Ethernet 2514e744b5eSDavid E. O'Briendevice bfe # Broadcom BCM440x 10/100 Ethernet 2523fc40c24SDavid E. O'Briendevice bge # Broadcom BCM570xx Gigabit Ethernet 253b78ebd64SMarius Strobldevice cas # Sun Cassini/Cassini+ and NS DP83065 Saturn 254ba1cabf4SPeter Wemmdevice dc # DEC/Intel 21143 and various workalikes 2554d52a575SXin LIdevice et # Agere ET1310 10/100/Gigabit Ethernet 2564664a8d5SJonathan Lemondevice fxp # Intel EtherExpress PRO/100B (82557, 82558) 257b78ebd64SMarius Strobldevice gem # Sun GEM/Sun ERI/Apple GMAC 258b78ebd64SMarius Strobldevice hme # Sun HME (Happy Meal Ethernet) 25920f99a5bSPyun YongHyeondevice jme # JMicron JMC250 Gigabit/JMC260 Fast Ethernet 2606f4e528aSJun Kuriyamadevice lge # Level 1 LXT1001 gigabit Ethernet 2611f90cf98SPyun YongHyeondevice msk # Marvell/SysKonnect Yukon II Gigabit Ethernet 262b5f0caf9SPyun YongHyeondevice nfe # nVidia nForce MCP on-board Ethernet 2636f4e528aSJun Kuriyamadevice nge # NatSemi DP83820 gigabit Ethernet 2648df071afSMarius Strobldevice pcn # AMD Am79C97x PCI 10/100 (precedence over 'le') 265a94100faSBill Pauldevice re # RealTek 8139C+/8169/8169S/8110S 266ba1cabf4SPeter Wemmdevice rl # RealTek 8129/8139 267ba1cabf4SPeter Wemmdevice sf # Adaptec AIC-6915 (``Starfire'') 268d193ed0bSPyun YongHyeondevice sge # Silicon Integrated Systems SiS190/191 269ba1cabf4SPeter Wemmdevice sis # Silicon Integrated Systems SiS 900/SiS 7016 2704e744b5eSDavid E. O'Briendevice sk # SysKonnect SK-984x & SK-982x gigabit Ethernet 271ba1cabf4SPeter Wemmdevice ste # Sundance ST201 (D-Link DFE-550TX) 272579aaaa4SMaxim Sobolevdevice stge # Sundance/Tamarack TC9021 gigabit Ethernet 273ba1cabf4SPeter Wemmdevice tl # Texas Instruments ThunderLAN 274ba1cabf4SPeter Wemmdevice tx # SMC EtherPower II (83c170 ``EPIC'') 2756f4e528aSJun Kuriyamadevice vge # VIA VT612x gigabit Ethernet 276ba1cabf4SPeter Wemmdevice vr # VIA Rhine, Rhine II 277ba1cabf4SPeter Wemmdevice wb # Winbond W89C840F 278c9953c3bSPeter Wemmdevice xl # 3Com 3c90x (``Boomerang'', ``Cyclone'') 27929c6a10bSGarrett Wollman 280ba1cabf4SPeter Wemm# Wireless NIC cards 281ba1cabf4SPeter Wemmdevice wlan # 802.11 support 2826c26723bSSam Leffleroptions IEEE80211_DEBUG # enable debug msgs 2836c26723bSSam Leffleroptions IEEE80211_AMPDU_AGE # age frames in AMPDU reorder q's 284c16c6b65SRui Paulooptions IEEE80211_SUPPORT_MESH # enable 802.11s draft support 28557d6ae06SSam Lefflerdevice wlan_wep # 802.11 WEP support 28657d6ae06SSam Lefflerdevice wlan_ccmp # 802.11 CCMP support 28757d6ae06SSam Lefflerdevice wlan_tkip # 802.11 TKIP support 28800465d5aSKevin Lodevice wlan_amrr # AMRR transmit rate control algorithm 289ba1cabf4SPeter Wemmdevice an # Aironet 4500/4800 802.11 wireless NICs. 29067944c45SGlen Barberdevice ath # Atheros NICs 291dba9c859SAdrian Chadddevice ath_pci # Atheros pci/cardbus glue 29233644623SSam Lefflerdevice ath_hal # pci/cardbus chip support 29333644623SSam Leffleroptions AH_SUPPORT_AR5416 # enable AR5416 tx/rx descriptors 2943342d830SAdrian Chaddoptions AH_AR5416_INTERRUPT_MITIGATION # AR5416 interrupt mitigation 29583567110SAdrian Chaddoptions ATH_ENABLE_11N # Enable 802.11n support for AR5416 and later 29657d6ae06SSam Lefflerdevice ath_rate_sample # SampleRate tx rate control for ath 297d1f25d5dSBernhard Schmidt#device bwi # Broadcom BCM430x/BCM431x wireless NICs. 298d1f25d5dSBernhard Schmidt#device bwn # Broadcom BCM43xx wireless NICs. 299d1f25d5dSBernhard Schmidtdevice ipw # Intel 2100 wireless NICs. 300d1f25d5dSBernhard Schmidtdevice iwi # Intel 2200BG/2225BG/2915ABG wireless NICs. 301d1f25d5dSBernhard Schmidtdevice iwn # Intel 4965/1000/5000/6000 wireless NICs. 302d1f25d5dSBernhard Schmidtdevice malo # Marvell Libertas wireless NICs. 303d1f25d5dSBernhard Schmidtdevice mwl # Marvell 88W8363 802.11n wireless NICs. 3040b090f41SDamien Bergaminidevice ral # Ralink Technology RT2500 wireless NICs. 305ba1cabf4SPeter Wemmdevice wi # WaveLAN/Intersil/Symbol 802.11 wireless NICs. 306d1f25d5dSBernhard Schmidtdevice wpi # Intel 3945ABG wireless NICs. 307ba1cabf4SPeter Wemm 308aa355a26SMaxim Konovalov# Pseudo devices. 309f71c01ccSPeter Wemmdevice loop # Network loopback 3108ab2f5ecSMark Murraydevice random # Entropy device 31146be218dSDavid E. O'Briendevice padlock_rng # VIA Padlock RNG 31246be218dSDavid E. O'Briendevice rdrand_rng # Intel Bull Mountain RNG 313f71c01ccSPeter Wemmdevice ether # Ethernet support 3149efde583SBrooks Davisdevice vlan # 802.1Q VLAN support 315ba1cabf4SPeter Wemmdevice tun # Packet tunnel. 316ba1cabf4SPeter Wemmdevice md # Memory "disks" 317ba1cabf4SPeter Wemmdevice gif # IPv6 and IPv4 tunneling 318086ba9f7SMatt Jacobdevice firmware # firmware assist module 319713c9391SDavid E. O'Brien 320713c9391SDavid E. O'Brien# The `bpf' device enables the Berkeley Packet Filter. 321713c9391SDavid E. O'Brien# Be aware of the administrative consequences of enabling this! 322991f5121SMurray Stokely# Note that 'bpf' is required for DHCP. 323713c9391SDavid E. O'Briendevice bpf # Berkeley packet filter 3240cec007cSNick Hibma 325c89d41e5SAndrew Thompson# USB support 326f6a9d95bSAndrew Thompsonoptions USB_DEBUG # enable debug msgs 327c89d41e5SAndrew Thompsondevice uhci # UHCI PCI->USB interface 328c89d41e5SAndrew Thompsondevice ohci # OHCI PCI->USB interface 329c89d41e5SAndrew Thompsondevice ehci # EHCI PCI->USB interface (USB 2.0) 330144b7166SHans Petter Selaskydevice xhci # XHCI PCI->USB interface (USB 3.0) 331c89d41e5SAndrew Thompsondevice usb # USB Bus (required) 332c89d41e5SAndrew Thompsondevice ukbd # Keyboard 333c89d41e5SAndrew Thompsondevice umass # Disks/Mass storage - Requires scbus and da 334ba1cabf4SPeter Wemm 335701b698bSJoel Dahl# Sound support 336701b698bSJoel Dahldevice sound # Generic sound driver (required) 337f38f12f2SJoel Dahldevice snd_cmi # CMedia CMI8338/CMI8738 338f38f12f2SJoel Dahldevice snd_csa # Crystal Semiconductor CS461x/428x 339f38f12f2SJoel Dahldevice snd_emu10kx # Creative SoundBlaster Live! and Audigy 340701b698bSJoel Dahldevice snd_es137x # Ensoniq AudioPCI ES137x 341701b698bSJoel Dahldevice snd_hda # Intel High Definition Audio 342701b698bSJoel Dahldevice snd_ich # Intel, NVidia and other ICH AC'97 Audio 343701b698bSJoel Dahldevice snd_via8233 # VIA VT8233x Audio 344966d0ed1SKevin Lo 345966d0ed1SKevin Lo# MMC/SD 346966d0ed1SKevin Lodevice mmc # MMC/SD bus 347966d0ed1SKevin Lodevice mmcsd # MMC/SD memory card 348966d0ed1SKevin Lodevice sdhci # Generic PCI SD Host Controller 349ae366ffcSBryan Venteicher 350ae366ffcSBryan Venteicher# VirtIO support 351ae366ffcSBryan Venteicherdevice virtio # Generic VirtIO bus (required) 352ae366ffcSBryan Venteicherdevice virtio_pci # VirtIO PCI device 353ae366ffcSBryan Venteicherdevice vtnet # VirtIO Ethernet device 354ae366ffcSBryan Venteicherdevice virtio_blk # VirtIO Block device 355ae366ffcSBryan Venteicherdevice virtio_scsi # VirtIO SCSI device 356ae366ffcSBryan Venteicherdevice virtio_balloon # VirtIO Memory Balloon device 35715b996d7SPeter Grehan 358edafb5a3SPedro F. Giffuni# HyperV drivers and enhancement support 35991aff610SGlen Barberdevice hyperv # HyperV drivers 36091aff610SGlen Barber 3616b48eebeSGlen Barber# Xen HVM Guest Optimizations 3626b48eebeSGlen Barber# NOTE: XENHVM depends on xenpci. They must be added or removed together. 3636b48eebeSGlen Barberoptions XENHVM # Xen HVM kernel infrastructure 3646b48eebeSGlen Barberdevice xenpci # Xen HVM Hypervisor services driver 365566a5f50SJustin T. Gibbs 36603c6abfdSBryan Venteicher# VMware support 36703c6abfdSBryan Venteicherdevice vmx # VMware VMXNET3 Ethernet 368169760a4SGeorge V. Neville-Neil 369169760a4SGeorge V. Neville-Neil# Netmap provides direct access to TX/RX rings on supported NICs 3702ec930efSPatrick Kelseydevice netmap # netmap(4) support 371169760a4SGeorge V. Neville-Neil 372f4c1eac7SChristian Brueffer# The crypto framework is required by IPSEC 3733839369cSGeorge V. Neville-Neildevice crypto # Required by IPSEC 374