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 9937bd4ba9SConrad Meyeroptions QUEUE_MACRO_DEBUG_TRASH # Trash queue(2) internal pointers on invalidation 100686710f7SAttilio Raooptions WITNESS # Enable checks to detect deadlocks and cycles 101686710f7SAttilio Raooptions WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed 102686710f7SAttilio Raooptions MALLOC_DEBUG_MAXZONES=8 # Separate malloc(9) zones 103be352d20SKyle Evansoptions VERBOSE_SYSINIT=0 # Support debug.verbose_sysinit, off by default 104524553f5SAndrew Turner 105524553f5SAndrew Turner# Kernel Sanitizers 1067e804fd5SConrad Meyer#options COVERAGE # Generic kernel coverage. Used by KCOV 1077e804fd5SConrad Meyer#options KCOV # Kernel Coverage Sanitizer 1083869df5dSAndrew Turner# Warning: KUBSAN can result in a kernel too large for loader to load 1093869df5dSAndrew Turner#options KUBSAN # Kernel Undefined Behavior Sanitizer 110849aef49SAndrew Turner#options KCSAN # Kernel Concurrency Sanitizer 1118fab58d8SPoul-Henning Kamp 112892bdcccSMark Johnston# Kernel dump features. 113892bdcccSMark Johnstonoptions EKCD # Support for encrypted kernel dumps 114892bdcccSMark Johnstonoptions GZIO # gzip-compressed kernel and user dumps 115892bdcccSMark Johnstonoptions ZSTDIO # zstd-compressed kernel and user dumps 1167790c8c1SConrad Meyeroptions DEBUGNET # debugnet networking 117892bdcccSMark Johnstonoptions NETDUMP # netdump(4) client support 118dda17b36SConrad Meyeroptions NETGDB # netgdb(4) client support 119892bdcccSMark Johnston 120b8aeddf1SPeter Wemm# Make an SMP-capable kernel by default 121b8aeddf1SPeter Wemmoptions SMP # Symmetric MultiProcessor Kernel 122b6638164SJohn Baldwinoptions EARLY_AP_STARTUP 123118ef86eSJohn Baldwin 124a7b811a6SNate Lawson# CPU frequency control 125a7b811a6SNate Lawsondevice cpufreq 126a7b811a6SNate Lawson 12754903605SPeter Wemm# Bus support. 128a4d60a7fSPeter Wemmdevice acpi 12986be9f0dSKonstantin Belousovoptions ACPI_DMAR 130b618108fSPeter Wemmdevice pci 13182cb5c3bSJohn Baldwinoptions PCI_HP # PCI-Express native HotPlug 1329bfb1e36SRyan Stoneoptions PCI_IOV # PCI SR-IOV support 133ba1cabf4SPeter Wemm 134ba1cabf4SPeter Wemm# Floppy drives 135ba1cabf4SPeter Wemmdevice fdc 136677060b4SPoul-Henning Kamp 13797b53e36SAlexander Motin# ATA controllers 13897b53e36SAlexander Motindevice ahci # AHCI-compatible SATA controllers 13997b53e36SAlexander Motindevice ata # Legacy ATA/SATA controllers 14097b53e36SAlexander Motindevice mvs # Marvell 88SX50XX/88SX60XX/88SX70XX/SoC SATA 14197b53e36SAlexander Motindevice siis # SiliconImage SiI3124/SiI3132/SiI3531 SATA 142ff680471SDavid E. O'Brien 143ba1cabf4SPeter Wemm# SCSI Controllers 144ba1cabf4SPeter Wemmdevice ahc # AHA2940 and onboard AIC7xxx devices 145ba1cabf4SPeter Wemmdevice ahd # AHA39320/29320 and onboard AIC79xx devices 146a9ab459bSMarius Strobldevice esp # AMD Am53C974 (Tekram DC-390(T)) 1474439f8b4SScott Longdevice hptiop # Highpoint RocketRaid 3xxx series 148ba1cabf4SPeter Wemmdevice isp # Qlogic family 14946ec31b0SPeter Wemm#device ispfw # Firmware for QLogic HBAs- normally a module 150ba1cabf4SPeter Wemmdevice mpt # LSI-Logic MPT-Fusion 151d3c7b9a0SKenneth D. Merrydevice mps # LSI-Logic MPT-Fusion 2 152991554f2SKenneth D. Merrydevice mpr # LSI-Logic MPT-Fusion 3 1536a186782SWarner Loshdevice sym # NCR/Symbios Logic 154f11c7f63SJim Harrisdevice isci # Intel C600 SAS controller 155ef270ab1SKenneth D. Merrydevice ocs_fc # Emulex FC adapters 156052e12a5SJosh Paetzeldevice pvscsi # VMware PVSCSI 157ba1cabf4SPeter Wemm 15897b53e36SAlexander Motin# ATA/SCSI peripherals 15997b53e36SAlexander Motindevice scbus # SCSI bus (required for ATA/SCSI) 160ba1cabf4SPeter Wemmdevice ch # SCSI media changers 161ba1cabf4SPeter Wemmdevice da # Direct Access (disks) 162ba1cabf4SPeter Wemmdevice sa # Sequential Access (tape etc) 163ba1cabf4SPeter Wemmdevice cd # CD 16497b53e36SAlexander Motindevice pass # Passthrough device (direct ATA/SCSI access) 165130f4520SKenneth D. Merrydevice ses # Enclosure Services (SES and SAF-TE) 1668ed98609SEdward Tomasz Napierala#device ctl # CAM Target Layer 167ba1cabf4SPeter Wemm 168a4d60a7fSPeter Wemm# RAID controllers interfaced to the SCSI subsystem 1694d598bc1SMaxim Sobolevdevice amr # AMI MegaRAID 170d0885ac3SScott Longdevice arcmsr # Areca SATA II RAID 171a4d60a7fSPeter Wemmdevice ciss # Compaq Smart RAID 5* 172a4d60a7fSPeter Wemmdevice iir # Intel Integrated RAID 173a4d60a7fSPeter Wemmdevice ips # IBM (Adaptec) ServeRAID 174a4d60a7fSPeter Wemmdevice mly # Mylex AcceleRAID/eXtremeRAID 1752a779082SPeter Wemmdevice twa # 3ware 9000 series PATA/SATA RAID 1761e66f787SSean Brunodevice smartpqi # Microsemi smartpqi driver 177309dca01SXin LIdevice tws # LSI 3ware 9750 SATA+SAS 6Gb/s RAID controller 178a4d60a7fSPeter Wemm 179ba1cabf4SPeter Wemm# RAID controllers 180df6ece38SPeter Wemmdevice aac # Adaptec FSA RAID 181df6ece38SPeter Wemmdevice aacp # SCSI passthrough for aac (requires CAM) 182dce93cd0SAchim Leubnerdevice aacraid # Adaptec by PMC RAID 183ba1cabf4SPeter Wemmdevice ida # Compaq Smart RAID 1847f631a41SScott Longdevice mfi # LSI MegaRAID SAS 185ba1cabf4SPeter Wemmdevice mlx # Mylex DAC960 family 186a58b4afaSMark Johnstondevice mrsas # LSI/Avago MegaRAID SAS/SATA, 6Gb/s and 12Gb/s 18775333e64SWarner Loshdevice pmspcv # PMC-Sierra SAS/SATA Controller driver 188ba1cabf4SPeter Wemm#XXX pointer/int warnings 189ba1cabf4SPeter Wemm#device pst # Promise Supertrak SX6000 190ba1cabf4SPeter Wemmdevice twe # 3ware ATA RAID 191ba1cabf4SPeter Wemm 1926e3471bdSJim Harris# NVM Express (NVMe) support 1936e3471bdSJim Harrisdevice nvme # base NVMe driver 1946e3471bdSJim Harrisdevice nvd # expose NVMe namespaces as disks, depends on nvme 1956e3471bdSJim Harris 196f2521a76SDoug Ambrisko# Intel Volume Management Device (VMD) support 197f2521a76SDoug Ambriskodevice vmd # base VMD device 198f2521a76SDoug Ambriskodevice vmd_bus # bus for VMD children 199f2521a76SDoug Ambrisko 20023f7bd17SBrian Somers# atkbdc0 controls both the keyboard and the PS/2 mouse 20114426b9cSPeter Wemmdevice atkbdc # AT keyboard controller 20214426b9cSPeter Wemmdevice atkbd # AT keyboard 20314426b9cSPeter Wemmdevice psm # PS/2 mouse 2042ad872c5SKazutaka YOKOTA 205b6431012SMaksim Yevmenkindevice kbdmux # keyboard multiplexer 206b6431012SMaksim Yevmenkin 20714426b9cSPeter Wemmdevice vga # VGA video card driver 208e883bb1aSJung-uk Kimoptions VESA # Add support for VESA BIOS Extensions (VBE) 2092ad872c5SKazutaka YOKOTA 21014426b9cSPeter Wemmdevice splash # Splash screen and screen saver support 2112ad872c5SKazutaka YOKOTA 212c19da41eSPeter Wemm# syscons is the default console driver, resembling an SCO console 21314426b9cSPeter Wemmdevice sc 21400c885e1SJung-uk Kimoptions SC_PIXEL_MODE # add support for the raster text mode 2155895e3c8SPeter Wemm 21630dbb3eaSEd Maste# vt is the new video console driver 21730dbb3eaSEd Mastedevice vt 21830dbb3eaSEd Mastedevice vt_vga 21930dbb3eaSEd Mastedevice vt_efifb 22030dbb3eaSEd Maste 221354096a3SEric Anholtdevice agp # support several AGP chipsets 222354096a3SEric Anholt 223ba1cabf4SPeter Wemm# PCCARD (PCMCIA) support 2243a0bfa76SPeter Wemm# PCMCIA and cardbus bridge support 225ba1cabf4SPeter Wemmdevice cbb # cardbus (yenta) bridge 226ba1cabf4SPeter Wemmdevice pccard # PC Card (16-bit) bus 227ba1cabf4SPeter Wemmdevice cardbus # CardBus (32-bit) bus 228e597b497SNate Williams 2291f06573dSPeter Wemm# Serial (COM) ports 23038195fdcSMarcel Moolenaardevice uart # Generic UART driver 231677060b4SPoul-Henning Kamp 23204e83575SJoseph Koshy# Parallel port 233ba1cabf4SPeter Wemmdevice ppc 234ba1cabf4SPeter Wemmdevice ppbus # Parallel port bus (required) 235ba1cabf4SPeter Wemmdevice lpt # Printer 236ba1cabf4SPeter Wemmdevice ppi # Parallel port interface device 237ba1cabf4SPeter Wemm#device vpo # Requires scbus and da 238ba1cabf4SPeter Wemm 2393a3ba1b0SJohn Baldwindevice puc # Multi I/O cards and multi-channel UARTs 240ba1cabf4SPeter Wemm 241c75f49f7SKonstantin Belousov# PCI/PCI-X/PCIe Ethernet NICs that use iflib infrastructure 242c75f49f7SKonstantin Belousovdevice iflib 243859ff640SJack F Vogeldevice em # Intel PRO/1000 Gigabit Ethernet Family 244758cc3dcSJack F Vogeldevice ix # Intel PRO/10GbE PCIE PF Ethernet 245758cc3dcSJack F Vogeldevice ixv # Intel PRO/10GbE PCIE VF Ethernet 24677c1fcecSEric Joynerdevice ixl # Intel 700 Series Physical Function 24777c1fcecSEric Joynerdevice iavf # Intel Adaptive Virtual Function 24871d10453SEric Joynerdevice ice # Intel 800 Series Physical Function 249c75f49f7SKonstantin Belousovdevice vmx # VMware VMXNET3 Ethernet 250c75f49f7SKonstantin Belousov 251c75f49f7SKonstantin Belousov# PCI Ethernet NICs. 252c75f49f7SKonstantin Belousovdevice bxe # Broadcom NetXtreme II BCM5771X/BCM578XX 10GbE 2538df071afSMarius Strobldevice le # AMD Am7900 LANCE and Am79C9xx PCnet 2546e535f6eSRemko Lodderdevice ti # Alteon Networks Tigon I/II gigabit Ethernet 255c6a5d1a6SPeter Wemm 256c6a5d1a6SPeter Wemm# PCI Ethernet NICs that use the common MII bus controller code. 257f94a808cSNik Clayton# NOTE: Be sure to keep the 'device miibus' line in order to use these NICs! 258c9953c3bSPeter Wemmdevice miibus # MII bus support 259ba26d470SStanislav Sedovdevice ae # Attansic/Atheros L2 FastEthernet 26083a17b90SPyun YongHyeondevice age # Attansic/Atheros L1 Gigabit Ethernet 261d68875ebSPyun YongHyeondevice alc # Atheros AR8131/AR8132 Ethernet 2623c6e15bcSPyun YongHyeondevice ale # Atheros AR8121/AR8113/AR8114 Ethernet 263d8636a9aSPaul Saabdevice bce # Broadcom BCM5706/BCM5708 Gigabit Ethernet 2644e744b5eSDavid E. O'Briendevice bfe # Broadcom BCM440x 10/100 Ethernet 2653fc40c24SDavid E. O'Briendevice bge # Broadcom BCM570xx Gigabit Ethernet 266b78ebd64SMarius Strobldevice cas # Sun Cassini/Cassini+ and NS DP83065 Saturn 267ba1cabf4SPeter Wemmdevice dc # DEC/Intel 21143 and various workalikes 2684d52a575SXin LIdevice et # Agere ET1310 10/100/Gigabit Ethernet 2694664a8d5SJonathan Lemondevice fxp # Intel EtherExpress PRO/100B (82557, 82558) 270b78ebd64SMarius Strobldevice gem # Sun GEM/Sun ERI/Apple GMAC 271b78ebd64SMarius Strobldevice hme # Sun HME (Happy Meal Ethernet) 27220f99a5bSPyun YongHyeondevice jme # JMicron JMC250 Gigabit/JMC260 Fast Ethernet 2736f4e528aSJun Kuriyamadevice lge # Level 1 LXT1001 gigabit Ethernet 2741f90cf98SPyun YongHyeondevice msk # Marvell/SysKonnect Yukon II Gigabit Ethernet 275b5f0caf9SPyun YongHyeondevice nfe # nVidia nForce MCP on-board Ethernet 2766f4e528aSJun Kuriyamadevice nge # NatSemi DP83820 gigabit Ethernet 277a94100faSBill Pauldevice re # RealTek 8139C+/8169/8169S/8110S 278ba1cabf4SPeter Wemmdevice rl # RealTek 8129/8139 279d193ed0bSPyun YongHyeondevice sge # Silicon Integrated Systems SiS190/191 280ba1cabf4SPeter Wemmdevice sis # Silicon Integrated Systems SiS 900/SiS 7016 2814e744b5eSDavid E. O'Briendevice sk # SysKonnect SK-984x & SK-982x gigabit Ethernet 282ba1cabf4SPeter Wemmdevice ste # Sundance ST201 (D-Link DFE-550TX) 283579aaaa4SMaxim Sobolevdevice stge # Sundance/Tamarack TC9021 gigabit Ethernet 2846f4e528aSJun Kuriyamadevice vge # VIA VT612x gigabit Ethernet 285ba1cabf4SPeter Wemmdevice vr # VIA Rhine, Rhine II 286c9953c3bSPeter Wemmdevice xl # 3Com 3c90x (``Boomerang'', ``Cyclone'') 28729c6a10bSGarrett Wollman 288ba1cabf4SPeter Wemm# Wireless NIC cards 289ba1cabf4SPeter Wemmdevice wlan # 802.11 support 2906c26723bSSam Leffleroptions IEEE80211_DEBUG # enable debug msgs 291c16c6b65SRui Paulooptions IEEE80211_SUPPORT_MESH # enable 802.11s draft support 29257d6ae06SSam Lefflerdevice wlan_wep # 802.11 WEP support 29357d6ae06SSam Lefflerdevice wlan_ccmp # 802.11 CCMP support 29457d6ae06SSam Lefflerdevice wlan_tkip # 802.11 TKIP support 29500465d5aSKevin Lodevice wlan_amrr # AMRR transmit rate control algorithm 296ba1cabf4SPeter Wemmdevice an # Aironet 4500/4800 802.11 wireless NICs. 29767944c45SGlen Barberdevice ath # Atheros NICs 298dba9c859SAdrian Chadddevice ath_pci # Atheros pci/cardbus glue 29933644623SSam Lefflerdevice ath_hal # pci/cardbus chip support 3003342d830SAdrian Chaddoptions AH_AR5416_INTERRUPT_MITIGATION # AR5416 interrupt mitigation 30183567110SAdrian Chaddoptions ATH_ENABLE_11N # Enable 802.11n support for AR5416 and later 30257d6ae06SSam Lefflerdevice ath_rate_sample # SampleRate tx rate control for ath 303d1f25d5dSBernhard Schmidt#device bwi # Broadcom BCM430x/BCM431x wireless NICs. 304d1f25d5dSBernhard Schmidt#device bwn # Broadcom BCM43xx wireless NICs. 305d1f25d5dSBernhard Schmidtdevice ipw # Intel 2100 wireless NICs. 306d1f25d5dSBernhard Schmidtdevice iwi # Intel 2200BG/2225BG/2915ABG wireless NICs. 307d1f25d5dSBernhard Schmidtdevice iwn # Intel 4965/1000/5000/6000 wireless NICs. 308d1f25d5dSBernhard Schmidtdevice malo # Marvell Libertas wireless NICs. 309d1f25d5dSBernhard Schmidtdevice mwl # Marvell 88W8363 802.11n wireless NICs. 3100b090f41SDamien Bergaminidevice ral # Ralink Technology RT2500 wireless NICs. 311ba1cabf4SPeter Wemmdevice wi # WaveLAN/Intersil/Symbol 802.11 wireless NICs. 312d1f25d5dSBernhard Schmidtdevice wpi # Intel 3945ABG wireless NICs. 313ba1cabf4SPeter Wemm 314aa355a26SMaxim Konovalov# Pseudo devices. 3158cd385fdSJohn Baldwindevice crypto # core crypto support 316f71c01ccSPeter Wemmdevice loop # Network loopback 31746be218dSDavid E. O'Briendevice padlock_rng # VIA Padlock RNG 31846be218dSDavid E. O'Briendevice rdrand_rng # Intel Bull Mountain RNG 319f71c01ccSPeter Wemmdevice ether # Ethernet support 3209efde583SBrooks Davisdevice vlan # 802.1Q VLAN support 321251a32b5SKyle Evansdevice tuntap # Packet tunnel. 322ba1cabf4SPeter Wemmdevice md # Memory "disks" 323ba1cabf4SPeter Wemmdevice gif # IPv6 and IPv4 tunneling 324086ba9f7SMatt Jacobdevice firmware # firmware assist module 325713c9391SDavid E. O'Brien 326713c9391SDavid E. O'Brien# The `bpf' device enables the Berkeley Packet Filter. 327713c9391SDavid E. O'Brien# Be aware of the administrative consequences of enabling this! 328991f5121SMurray Stokely# Note that 'bpf' is required for DHCP. 329713c9391SDavid E. O'Briendevice bpf # Berkeley packet filter 3300cec007cSNick Hibma 331c89d41e5SAndrew Thompson# USB support 332f6a9d95bSAndrew Thompsonoptions USB_DEBUG # enable debug msgs 333c89d41e5SAndrew Thompsondevice uhci # UHCI PCI->USB interface 334c89d41e5SAndrew Thompsondevice ohci # OHCI PCI->USB interface 335c89d41e5SAndrew Thompsondevice ehci # EHCI PCI->USB interface (USB 2.0) 336144b7166SHans Petter Selaskydevice xhci # XHCI PCI->USB interface (USB 3.0) 337c89d41e5SAndrew Thompsondevice usb # USB Bus (required) 338c89d41e5SAndrew Thompsondevice ukbd # Keyboard 339c89d41e5SAndrew Thompsondevice umass # Disks/Mass storage - Requires scbus and da 340ba1cabf4SPeter Wemm 341701b698bSJoel Dahl# Sound support 342701b698bSJoel Dahldevice sound # Generic sound driver (required) 343f38f12f2SJoel Dahldevice snd_cmi # CMedia CMI8338/CMI8738 344f38f12f2SJoel Dahldevice snd_csa # Crystal Semiconductor CS461x/428x 345f38f12f2SJoel Dahldevice snd_emu10kx # Creative SoundBlaster Live! and Audigy 346701b698bSJoel Dahldevice snd_es137x # Ensoniq AudioPCI ES137x 347701b698bSJoel Dahldevice snd_hda # Intel High Definition Audio 348701b698bSJoel Dahldevice snd_ich # Intel, NVidia and other ICH AC'97 Audio 349701b698bSJoel Dahldevice snd_via8233 # VIA VT8233x Audio 350966d0ed1SKevin Lo 351966d0ed1SKevin Lo# MMC/SD 352966d0ed1SKevin Lodevice mmc # MMC/SD bus 353966d0ed1SKevin Lodevice mmcsd # MMC/SD memory card 354966d0ed1SKevin Lodevice sdhci # Generic PCI SD Host Controller 355ae366ffcSBryan Venteicher 356ae366ffcSBryan Venteicher# VirtIO support 357ae366ffcSBryan Venteicherdevice virtio # Generic VirtIO bus (required) 358ae366ffcSBryan Venteicherdevice virtio_pci # VirtIO PCI device 359ae366ffcSBryan Venteicherdevice vtnet # VirtIO Ethernet device 360ae366ffcSBryan Venteicherdevice virtio_blk # VirtIO Block device 361ae366ffcSBryan Venteicherdevice virtio_scsi # VirtIO SCSI device 362ae366ffcSBryan Venteicherdevice virtio_balloon # VirtIO Memory Balloon device 36315b996d7SPeter Grehan 364edafb5a3SPedro F. Giffuni# HyperV drivers and enhancement support 36591aff610SGlen Barberdevice hyperv # HyperV drivers 36691aff610SGlen Barber 3676b48eebeSGlen Barber# Xen HVM Guest Optimizations 3686b48eebeSGlen Barber# NOTE: XENHVM depends on xenpci. They must be added or removed together. 3696b48eebeSGlen Barberoptions XENHVM # Xen HVM kernel infrastructure 3706b48eebeSGlen Barberdevice xenpci # Xen HVM Hypervisor services driver 371566a5f50SJustin T. Gibbs 372169760a4SGeorge V. Neville-Neil# Netmap provides direct access to TX/RX rings on supported NICs 3732ec930efSPatrick Kelseydevice netmap # netmap(4) support 374af14df77SNiclas Zeising 375af14df77SNiclas Zeising# evdev interface 376af14df77SNiclas Zeisingoptions EVDEV_SUPPORT # evdev support in legacy drivers 377af14df77SNiclas Zeisingdevice evdev # input event device support 378af14df77SNiclas Zeisingdevice uinput # install /dev/uinput cdev 379