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 28e382dd47SMateusz Guzikoptions NUMA # Non-Uniform Memory Architecture support 29444ba945SScott Longoptions PREEMPTION # Enable kernel thread preemption 308e94025bSBjoern A. Zeeboptions VIMAGE # Subsystem virtualization, e.g. VNET 31677060b4SPoul-Henning Kampoptions INET # InterNETworking 32ba1cabf4SPeter Wemmoptions INET6 # IPv6 communications protocols 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 54c078c188SAlexander Motinoptions GEOM_RAID # Soft RAID functionality. 55983f9709SBrooks Davisoptions GEOM_LABEL # Provides labelization 56164138e7SKyle Evansoptions EFIRT # EFI Runtime Services support 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 65d6745408SConrad Meyeroptions COMPAT_FREEBSD12 # Compatible with FreeBSD12 6632672ba8SAndre Oppermannoptions SCSI_DELAY=5000 # Delay (in ms) before probing SCSI 67ba1cabf4SPeter Wemmoptions KTRACE # ktrace(1) support 683c90d1eaSRobert Watsonoptions STACK # stack(9) support 69713c9391SDavid E. O'Brienoptions SYSVSHM # SYSV-style shared memory 70713c9391SDavid E. O'Brienoptions SYSVMSG # SYSV-style message queues 71713c9391SDavid E. O'Brienoptions SYSVSEM # SYSV-style semaphores 72118ef86eSJohn Baldwinoptions _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions 73c2919fd8SEd Schoutenoptions PRINTF_BUFR_SIZE=128 # Prevent printf output being interspersed. 74ba1cabf4SPeter Wemmoptions KBD_INSTALL_CDEV # install a CDEV entry in /dev 75dbd47f15SXin LIoptions HWPMC_HOOKS # Necessary kernel hooks for hwpmc(4) 7668ce278eSMaxim Sobolevoptions AUDIT # Security event auditing 77009d2032SRobert Watsonoptions CAPABILITY_MODE # Capsicum capability mode 78009d2032SRobert Watsonoptions CAPABILITIES # Capsicum capabilities 79bd875f5fSRobert Watsonoptions MAC # TrustedBSD MAC Framework 80e9acaa9aSBrooks Davisoptions KDTRACE_FRAME # Ensure frames are compiled in 81e9acaa9aSBrooks Davisoptions KDTRACE_HOOKS # Kernel DTrace hooks 82b3a397a8SBrooks Davisoptions DDB_CTF # Kernel ELF linker loads CTF data 8387948dfdSWarner Loshoptions INCLUDE_CONFIG_FILE # Include this file in kernel 84ba8f0eb8SEdward Tomasz Napieralaoptions RACCT # Resource accounting framework 85ba8f0eb8SEdward Tomasz Napieralaoptions RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default 86ba8f0eb8SEdward Tomasz Napieralaoptions RCTL # Resource limits 87677060b4SPoul-Henning Kamp 886168545aSKen Smith# Debugging support. Always need this: 898bcb1e9eSMarcel Moolenaaroptions KDB # Enable kernel debugger support. 90818d282eSAndriy Gaponoptions KDB_TRACE # Print a stack trace for a panic. 919ba0691bSAndriy Gapon# For full debugger support use (turn off in stable branch): 928532d381SConrad Meyeroptions BUF_TRACKING # Track buffer history 938bcb1e9eSMarcel Moolenaaroptions DDB # Support DDB. 948532d381SConrad Meyeroptions FULL_BUF_TRACKING # Track more buffer history 958bcb1e9eSMarcel Moolenaaroptions GDB # Support remote GDB. 9688cbfa85SAttilio Raooptions DEADLKRES # Enable the deadlock resolver 97686710f7SAttilio Raooptions INVARIANTS # Enable calls of extra sanity checking 9847e87d5aSWarner Loshoptions INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS 99686710f7SAttilio Raooptions WITNESS # Enable checks to detect deadlocks and cycles 100686710f7SAttilio Raooptions WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed 101686710f7SAttilio Raooptions MALLOC_DEBUG_MAXZONES=8 # Separate malloc(9) zones 102be352d20SKyle Evansoptions VERBOSE_SYSINIT=0 # Support debug.verbose_sysinit, off by default 103524553f5SAndrew Turner 104524553f5SAndrew Turner# Kernel Sanitizers 1057e804fd5SConrad Meyer#options COVERAGE # Generic kernel coverage. Used by KCOV 1067e804fd5SConrad Meyer#options KCOV # Kernel Coverage Sanitizer 1073869df5dSAndrew Turner# Warning: KUBSAN can result in a kernel too large for loader to load 1083869df5dSAndrew Turner#options KUBSAN # Kernel Undefined Behavior Sanitizer 1098fab58d8SPoul-Henning Kamp 110892bdcccSMark Johnston# Kernel dump features. 111892bdcccSMark Johnstonoptions EKCD # Support for encrypted kernel dumps 112892bdcccSMark Johnstonoptions GZIO # gzip-compressed kernel and user dumps 113892bdcccSMark Johnstonoptions ZSTDIO # zstd-compressed kernel and user dumps 114892bdcccSMark Johnstonoptions NETDUMP # netdump(4) client support 115892bdcccSMark Johnston 116b8aeddf1SPeter Wemm# Make an SMP-capable kernel by default 117b8aeddf1SPeter Wemmoptions SMP # Symmetric MultiProcessor Kernel 118b6638164SJohn Baldwinoptions EARLY_AP_STARTUP 119118ef86eSJohn Baldwin 120a7b811a6SNate Lawson# CPU frequency control 121a7b811a6SNate Lawsondevice cpufreq 122a7b811a6SNate Lawson 12354903605SPeter Wemm# Bus support. 124a4d60a7fSPeter Wemmdevice acpi 12586be9f0dSKonstantin Belousovoptions ACPI_DMAR 126b618108fSPeter Wemmdevice pci 12782cb5c3bSJohn Baldwinoptions PCI_HP # PCI-Express native HotPlug 1289bfb1e36SRyan Stoneoptions PCI_IOV # PCI SR-IOV support 129ba1cabf4SPeter Wemm 130ba1cabf4SPeter Wemm# Floppy drives 131ba1cabf4SPeter Wemmdevice fdc 132677060b4SPoul-Henning Kamp 13397b53e36SAlexander Motin# ATA controllers 13497b53e36SAlexander Motindevice ahci # AHCI-compatible SATA controllers 13597b53e36SAlexander Motindevice ata # Legacy ATA/SATA controllers 13697b53e36SAlexander Motindevice mvs # Marvell 88SX50XX/88SX60XX/88SX70XX/SoC SATA 13797b53e36SAlexander Motindevice siis # SiliconImage SiI3124/SiI3132/SiI3531 SATA 138ff680471SDavid E. O'Brien 139ba1cabf4SPeter Wemm# SCSI Controllers 140ba1cabf4SPeter Wemmdevice ahc # AHA2940 and onboard AIC7xxx devices 141ba1cabf4SPeter Wemmdevice ahd # AHA39320/29320 and onboard AIC79xx devices 142a9ab459bSMarius Strobldevice esp # AMD Am53C974 (Tekram DC-390(T)) 1434439f8b4SScott Longdevice hptiop # Highpoint RocketRaid 3xxx series 144ba1cabf4SPeter Wemmdevice isp # Qlogic family 14546ec31b0SPeter Wemm#device ispfw # Firmware for QLogic HBAs- normally a module 146ba1cabf4SPeter Wemmdevice mpt # LSI-Logic MPT-Fusion 147d3c7b9a0SKenneth D. Merrydevice mps # LSI-Logic MPT-Fusion 2 148991554f2SKenneth D. Merrydevice mpr # LSI-Logic MPT-Fusion 3 1496a186782SWarner Loshdevice sym # NCR/Symbios Logic 150ba1cabf4SPeter Wemmdevice trm # Tekram DC395U/UW/F DC315U adapters 151f11c7f63SJim Harrisdevice isci # Intel C600 SAS controller 152ef270ab1SKenneth D. Merrydevice ocs_fc # Emulex FC adapters 153ba1cabf4SPeter Wemm 15497b53e36SAlexander Motin# ATA/SCSI peripherals 15597b53e36SAlexander Motindevice scbus # SCSI bus (required for ATA/SCSI) 156ba1cabf4SPeter Wemmdevice ch # SCSI media changers 157ba1cabf4SPeter Wemmdevice da # Direct Access (disks) 158ba1cabf4SPeter Wemmdevice sa # Sequential Access (tape etc) 159ba1cabf4SPeter Wemmdevice cd # CD 16097b53e36SAlexander Motindevice pass # Passthrough device (direct ATA/SCSI access) 161130f4520SKenneth D. Merrydevice ses # Enclosure Services (SES and SAF-TE) 1628ed98609SEdward Tomasz Napierala#device ctl # CAM Target Layer 163ba1cabf4SPeter Wemm 164a4d60a7fSPeter Wemm# RAID controllers interfaced to the SCSI subsystem 1654d598bc1SMaxim Sobolevdevice amr # AMI MegaRAID 166d0885ac3SScott Longdevice arcmsr # Areca SATA II RAID 167a4d60a7fSPeter Wemmdevice ciss # Compaq Smart RAID 5* 168a4d60a7fSPeter Wemmdevice iir # Intel Integrated RAID 169a4d60a7fSPeter Wemmdevice ips # IBM (Adaptec) ServeRAID 170a4d60a7fSPeter Wemmdevice mly # Mylex AcceleRAID/eXtremeRAID 1712a779082SPeter Wemmdevice twa # 3ware 9000 series PATA/SATA RAID 1721e66f787SSean Brunodevice smartpqi # Microsemi smartpqi driver 173309dca01SXin LIdevice tws # LSI 3ware 9750 SATA+SAS 6Gb/s RAID controller 174a4d60a7fSPeter Wemm 175ba1cabf4SPeter Wemm# RAID controllers 176df6ece38SPeter Wemmdevice aac # Adaptec FSA RAID 177df6ece38SPeter Wemmdevice aacp # SCSI passthrough for aac (requires CAM) 178dce93cd0SAchim Leubnerdevice aacraid # Adaptec by PMC RAID 179ba1cabf4SPeter Wemmdevice ida # Compaq Smart RAID 1807f631a41SScott Longdevice mfi # LSI MegaRAID SAS 181ba1cabf4SPeter Wemmdevice mlx # Mylex DAC960 family 182a58b4afaSMark Johnstondevice mrsas # LSI/Avago MegaRAID SAS/SATA, 6Gb/s and 12Gb/s 18375333e64SWarner Loshdevice pmspcv # PMC-Sierra SAS/SATA Controller driver 184ba1cabf4SPeter Wemm#XXX pointer/int warnings 185ba1cabf4SPeter Wemm#device pst # Promise Supertrak SX6000 186ba1cabf4SPeter Wemmdevice twe # 3ware ATA RAID 187ba1cabf4SPeter Wemm 1886e3471bdSJim Harris# NVM Express (NVMe) support 1896e3471bdSJim Harrisdevice nvme # base NVMe driver 1906e3471bdSJim Harrisdevice nvd # expose NVMe namespaces as disks, depends on nvme 1916e3471bdSJim Harris 192f2521a76SDoug Ambrisko# Intel Volume Management Device (VMD) support 193f2521a76SDoug Ambriskodevice vmd # base VMD device 194f2521a76SDoug Ambriskodevice vmd_bus # bus for VMD children 195f2521a76SDoug Ambrisko 19623f7bd17SBrian Somers# atkbdc0 controls both the keyboard and the PS/2 mouse 19714426b9cSPeter Wemmdevice atkbdc # AT keyboard controller 19814426b9cSPeter Wemmdevice atkbd # AT keyboard 19914426b9cSPeter Wemmdevice psm # PS/2 mouse 2002ad872c5SKazutaka YOKOTA 201b6431012SMaksim Yevmenkindevice kbdmux # keyboard multiplexer 202b6431012SMaksim Yevmenkin 20314426b9cSPeter Wemmdevice vga # VGA video card driver 204e883bb1aSJung-uk Kimoptions VESA # Add support for VESA BIOS Extensions (VBE) 2052ad872c5SKazutaka YOKOTA 20614426b9cSPeter Wemmdevice splash # Splash screen and screen saver support 2072ad872c5SKazutaka YOKOTA 208c19da41eSPeter Wemm# syscons is the default console driver, resembling an SCO console 20914426b9cSPeter Wemmdevice sc 21000c885e1SJung-uk Kimoptions SC_PIXEL_MODE # add support for the raster text mode 2115895e3c8SPeter Wemm 21230dbb3eaSEd Maste# vt is the new video console driver 21330dbb3eaSEd Mastedevice vt 21430dbb3eaSEd Mastedevice vt_vga 21530dbb3eaSEd Mastedevice vt_efifb 21630dbb3eaSEd Maste 217354096a3SEric Anholtdevice agp # support several AGP chipsets 218354096a3SEric Anholt 219ba1cabf4SPeter Wemm# PCCARD (PCMCIA) support 2203a0bfa76SPeter Wemm# PCMCIA and cardbus bridge support 221ba1cabf4SPeter Wemmdevice cbb # cardbus (yenta) bridge 222ba1cabf4SPeter Wemmdevice pccard # PC Card (16-bit) bus 223ba1cabf4SPeter Wemmdevice cardbus # CardBus (32-bit) bus 224e597b497SNate Williams 2251f06573dSPeter Wemm# Serial (COM) ports 22638195fdcSMarcel Moolenaardevice uart # Generic UART driver 227677060b4SPoul-Henning Kamp 22804e83575SJoseph Koshy# Parallel port 229ba1cabf4SPeter Wemmdevice ppc 230ba1cabf4SPeter Wemmdevice ppbus # Parallel port bus (required) 231ba1cabf4SPeter Wemmdevice lpt # Printer 232ba1cabf4SPeter Wemmdevice ppi # Parallel port interface device 233ba1cabf4SPeter Wemm#device vpo # Requires scbus and da 234ba1cabf4SPeter Wemm 2353a3ba1b0SJohn Baldwindevice puc # Multi I/O cards and multi-channel UARTs 236ba1cabf4SPeter Wemm 237c75f49f7SKonstantin Belousov# PCI/PCI-X/PCIe Ethernet NICs that use iflib infrastructure 238c75f49f7SKonstantin Belousovdevice iflib 239859ff640SJack F Vogeldevice em # Intel PRO/1000 Gigabit Ethernet Family 240758cc3dcSJack F Vogeldevice ix # Intel PRO/10GbE PCIE PF Ethernet 241758cc3dcSJack F Vogeldevice ixv # Intel PRO/10GbE PCIE VF Ethernet 24277c1fcecSEric Joynerdevice ixl # Intel 700 Series Physical Function 24377c1fcecSEric Joynerdevice iavf # Intel Adaptive Virtual Function 244c75f49f7SKonstantin Belousovdevice vmx # VMware VMXNET3 Ethernet 245c75f49f7SKonstantin Belousov 246c75f49f7SKonstantin Belousov# PCI Ethernet NICs. 247c75f49f7SKonstantin Belousovdevice bxe # Broadcom NetXtreme II BCM5771X/BCM578XX 10GbE 2488df071afSMarius Strobldevice le # AMD Am7900 LANCE and Am79C9xx PCnet 2496e535f6eSRemko Lodderdevice ti # Alteon Networks Tigon I/II gigabit Ethernet 250c6a5d1a6SPeter Wemm 251c6a5d1a6SPeter Wemm# PCI Ethernet NICs that use the common MII bus controller code. 252f94a808cSNik Clayton# NOTE: Be sure to keep the 'device miibus' line in order to use these NICs! 253c9953c3bSPeter Wemmdevice miibus # MII bus support 254ba26d470SStanislav Sedovdevice ae # Attansic/Atheros L2 FastEthernet 25583a17b90SPyun YongHyeondevice age # Attansic/Atheros L1 Gigabit Ethernet 256d68875ebSPyun YongHyeondevice alc # Atheros AR8131/AR8132 Ethernet 2573c6e15bcSPyun YongHyeondevice ale # Atheros AR8121/AR8113/AR8114 Ethernet 258d8636a9aSPaul Saabdevice bce # Broadcom BCM5706/BCM5708 Gigabit Ethernet 2594e744b5eSDavid E. O'Briendevice bfe # Broadcom BCM440x 10/100 Ethernet 2603fc40c24SDavid E. O'Briendevice bge # Broadcom BCM570xx Gigabit Ethernet 261b78ebd64SMarius Strobldevice cas # Sun Cassini/Cassini+ and NS DP83065 Saturn 262ba1cabf4SPeter Wemmdevice dc # DEC/Intel 21143 and various workalikes 2634d52a575SXin LIdevice et # Agere ET1310 10/100/Gigabit Ethernet 2644664a8d5SJonathan Lemondevice fxp # Intel EtherExpress PRO/100B (82557, 82558) 265b78ebd64SMarius Strobldevice gem # Sun GEM/Sun ERI/Apple GMAC 266b78ebd64SMarius Strobldevice hme # Sun HME (Happy Meal Ethernet) 26720f99a5bSPyun YongHyeondevice jme # JMicron JMC250 Gigabit/JMC260 Fast Ethernet 2686f4e528aSJun Kuriyamadevice lge # Level 1 LXT1001 gigabit Ethernet 2691f90cf98SPyun YongHyeondevice msk # Marvell/SysKonnect Yukon II Gigabit Ethernet 270b5f0caf9SPyun YongHyeondevice nfe # nVidia nForce MCP on-board Ethernet 2716f4e528aSJun Kuriyamadevice nge # NatSemi DP83820 gigabit Ethernet 272a94100faSBill Pauldevice re # RealTek 8139C+/8169/8169S/8110S 273ba1cabf4SPeter Wemmdevice rl # RealTek 8129/8139 274d193ed0bSPyun YongHyeondevice sge # Silicon Integrated Systems SiS190/191 275ba1cabf4SPeter Wemmdevice sis # Silicon Integrated Systems SiS 900/SiS 7016 2764e744b5eSDavid E. O'Briendevice sk # SysKonnect SK-984x & SK-982x gigabit Ethernet 277ba1cabf4SPeter Wemmdevice ste # Sundance ST201 (D-Link DFE-550TX) 278579aaaa4SMaxim Sobolevdevice stge # Sundance/Tamarack TC9021 gigabit Ethernet 2796f4e528aSJun Kuriyamadevice vge # VIA VT612x gigabit Ethernet 280ba1cabf4SPeter Wemmdevice vr # VIA Rhine, Rhine II 281c9953c3bSPeter Wemmdevice xl # 3Com 3c90x (``Boomerang'', ``Cyclone'') 28229c6a10bSGarrett Wollman 283ba1cabf4SPeter Wemm# Wireless NIC cards 284ba1cabf4SPeter Wemmdevice wlan # 802.11 support 2856c26723bSSam Leffleroptions IEEE80211_DEBUG # enable debug msgs 286c16c6b65SRui Paulooptions IEEE80211_SUPPORT_MESH # enable 802.11s draft support 28757d6ae06SSam Lefflerdevice wlan_wep # 802.11 WEP support 28857d6ae06SSam Lefflerdevice wlan_ccmp # 802.11 CCMP support 28957d6ae06SSam Lefflerdevice wlan_tkip # 802.11 TKIP support 29000465d5aSKevin Lodevice wlan_amrr # AMRR transmit rate control algorithm 291ba1cabf4SPeter Wemmdevice an # Aironet 4500/4800 802.11 wireless NICs. 29267944c45SGlen Barberdevice ath # Atheros NICs 293dba9c859SAdrian Chadddevice ath_pci # Atheros pci/cardbus glue 29433644623SSam Lefflerdevice ath_hal # pci/cardbus chip support 2953342d830SAdrian Chaddoptions AH_AR5416_INTERRUPT_MITIGATION # AR5416 interrupt mitigation 29683567110SAdrian Chaddoptions ATH_ENABLE_11N # Enable 802.11n support for AR5416 and later 29757d6ae06SSam Lefflerdevice ath_rate_sample # SampleRate tx rate control for ath 298d1f25d5dSBernhard Schmidt#device bwi # Broadcom BCM430x/BCM431x wireless NICs. 299d1f25d5dSBernhard Schmidt#device bwn # Broadcom BCM43xx wireless NICs. 300d1f25d5dSBernhard Schmidtdevice ipw # Intel 2100 wireless NICs. 301d1f25d5dSBernhard Schmidtdevice iwi # Intel 2200BG/2225BG/2915ABG wireless NICs. 302d1f25d5dSBernhard Schmidtdevice iwn # Intel 4965/1000/5000/6000 wireless NICs. 303d1f25d5dSBernhard Schmidtdevice malo # Marvell Libertas wireless NICs. 304d1f25d5dSBernhard Schmidtdevice mwl # Marvell 88W8363 802.11n wireless NICs. 3050b090f41SDamien Bergaminidevice ral # Ralink Technology RT2500 wireless NICs. 306ba1cabf4SPeter Wemmdevice wi # WaveLAN/Intersil/Symbol 802.11 wireless NICs. 307d1f25d5dSBernhard Schmidtdevice wpi # Intel 3945ABG wireless NICs. 308ba1cabf4SPeter Wemm 309aa355a26SMaxim Konovalov# Pseudo devices. 3108cd385fdSJohn Baldwindevice crypto # core crypto support 311f71c01ccSPeter Wemmdevice loop # Network loopback 31246be218dSDavid E. O'Briendevice padlock_rng # VIA Padlock RNG 31346be218dSDavid E. O'Briendevice rdrand_rng # Intel Bull Mountain RNG 314f71c01ccSPeter Wemmdevice ether # Ethernet support 3159efde583SBrooks Davisdevice vlan # 802.1Q VLAN support 316251a32b5SKyle Evansdevice tuntap # Packet tunnel. 317ba1cabf4SPeter Wemmdevice md # Memory "disks" 318ba1cabf4SPeter Wemmdevice gif # IPv6 and IPv4 tunneling 319086ba9f7SMatt Jacobdevice firmware # firmware assist module 320713c9391SDavid E. O'Brien 321713c9391SDavid E. O'Brien# The `bpf' device enables the Berkeley Packet Filter. 322713c9391SDavid E. O'Brien# Be aware of the administrative consequences of enabling this! 323991f5121SMurray Stokely# Note that 'bpf' is required for DHCP. 324713c9391SDavid E. O'Briendevice bpf # Berkeley packet filter 3250cec007cSNick Hibma 326c89d41e5SAndrew Thompson# USB support 327f6a9d95bSAndrew Thompsonoptions USB_DEBUG # enable debug msgs 328c89d41e5SAndrew Thompsondevice uhci # UHCI PCI->USB interface 329c89d41e5SAndrew Thompsondevice ohci # OHCI PCI->USB interface 330c89d41e5SAndrew Thompsondevice ehci # EHCI PCI->USB interface (USB 2.0) 331144b7166SHans Petter Selaskydevice xhci # XHCI PCI->USB interface (USB 3.0) 332c89d41e5SAndrew Thompsondevice usb # USB Bus (required) 333c89d41e5SAndrew Thompsondevice ukbd # Keyboard 334c89d41e5SAndrew Thompsondevice umass # Disks/Mass storage - Requires scbus and da 335ba1cabf4SPeter Wemm 336701b698bSJoel Dahl# Sound support 337701b698bSJoel Dahldevice sound # Generic sound driver (required) 338f38f12f2SJoel Dahldevice snd_cmi # CMedia CMI8338/CMI8738 339f38f12f2SJoel Dahldevice snd_csa # Crystal Semiconductor CS461x/428x 340f38f12f2SJoel Dahldevice snd_emu10kx # Creative SoundBlaster Live! and Audigy 341701b698bSJoel Dahldevice snd_es137x # Ensoniq AudioPCI ES137x 342701b698bSJoel Dahldevice snd_hda # Intel High Definition Audio 343701b698bSJoel Dahldevice snd_ich # Intel, NVidia and other ICH AC'97 Audio 344701b698bSJoel Dahldevice snd_via8233 # VIA VT8233x Audio 345966d0ed1SKevin Lo 346966d0ed1SKevin Lo# MMC/SD 347966d0ed1SKevin Lodevice mmc # MMC/SD bus 348966d0ed1SKevin Lodevice mmcsd # MMC/SD memory card 349966d0ed1SKevin Lodevice sdhci # Generic PCI SD Host Controller 350ae366ffcSBryan Venteicher 351ae366ffcSBryan Venteicher# VirtIO support 352ae366ffcSBryan Venteicherdevice virtio # Generic VirtIO bus (required) 353ae366ffcSBryan Venteicherdevice virtio_pci # VirtIO PCI device 354ae366ffcSBryan Venteicherdevice vtnet # VirtIO Ethernet device 355ae366ffcSBryan Venteicherdevice virtio_blk # VirtIO Block device 356ae366ffcSBryan Venteicherdevice virtio_scsi # VirtIO SCSI device 357ae366ffcSBryan Venteicherdevice virtio_balloon # VirtIO Memory Balloon device 35815b996d7SPeter Grehan 359edafb5a3SPedro F. Giffuni# HyperV drivers and enhancement support 36091aff610SGlen Barberdevice hyperv # HyperV drivers 36191aff610SGlen Barber 3626b48eebeSGlen Barber# Xen HVM Guest Optimizations 3636b48eebeSGlen Barber# NOTE: XENHVM depends on xenpci. They must be added or removed together. 3646b48eebeSGlen Barberoptions XENHVM # Xen HVM kernel infrastructure 3656b48eebeSGlen Barberdevice xenpci # Xen HVM Hypervisor services driver 366566a5f50SJustin T. Gibbs 367169760a4SGeorge V. Neville-Neil# Netmap provides direct access to TX/RX rings on supported NICs 3682ec930efSPatrick Kelseydevice netmap # netmap(4) support 369af14df77SNiclas Zeising 370af14df77SNiclas Zeising# evdev interface 371af14df77SNiclas Zeisingoptions EVDEV_SUPPORT # evdev support in legacy drivers 372af14df77SNiclas Zeisingdevice evdev # input event device support 373af14df77SNiclas Zeisingdevice uinput # install /dev/uinput cdev 374