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 34d5fe384bSAlexander V. Chernikovoptions ROUTE_MPATH # Multipath routing support 3509fe6320SNavdeep Parharoptions TCP_OFFLOAD # TCP offload 36e24e5683SJonathan T. Looneyoptions TCP_BLACKBOX # Enhanced TCP event logging 37bd79708dSJonathan T. Looneyoptions TCP_HHOOK # hhook(9) framework for TCP 3818a75309SPatrick Kelseyoptions TCP_RFC7413 # TCP Fast Open 39e64080e7SMark Johnstonoptions SCTP_SUPPORT # Allow kldload of SCTP 40efa9c21bSAndrew Gallatinoptions KERN_TLS # TLS transmit & receive offload 414525c93eSJordan K. Hubbardoptions FFS # Berkeley Fast Filesystem 42bc265916SPeter Wemmoptions SOFTUPDATES # Enable FFS soft updates support 43ba1cabf4SPeter Wemmoptions UFS_ACL # Support for access control lists 44ba1cabf4SPeter Wemmoptions UFS_DIRHASH # Improve performance on big directories 45fef2a259SPawel Jakub Dawidekoptions UFS_GJOURNAL # Enable gjournal-based UFS journaling 460dcbedfaSKonstantin Belousovoptions QUOTA # Enable disk quotas for UFS 4770c3f049SMark Murrayoptions MD_ROOT # MD is a potential root device 483e32dff5SJohn Baldwinoptions NFSCL # Network Filesystem Client 493e32dff5SJohn Baldwinoptions NFSD # Network Filesystem Server 50fa9d9930SDoug Rabsonoptions NFSLOCKD # Network Lock Manager 5188c037e2SRick Macklemoptions NFS_ROOT # NFS usable as /, requires NFSCL 52ba1cabf4SPeter Wemmoptions MSDOSFS # MSDOS Filesystem 53ba1cabf4SPeter Wemmoptions CD9660 # ISO 9660 Filesystem 54ba1cabf4SPeter Wemmoptions PROCFS # Process filesystem (requires PSEUDOFS) 55ba1cabf4SPeter Wemmoptions PSEUDOFS # Pseudo-filesystem framework 56b798ef64SAlex Richardsonoptions TMPFS # Efficient memory filesystem 57c078c188SAlexander Motinoptions GEOM_RAID # Soft RAID functionality. 58983f9709SBrooks Davisoptions GEOM_LABEL # Provides labelization 59164138e7SKyle Evansoptions EFIRT # EFI Runtime Services support 60841c0c7eSNathan Whitehornoptions COMPAT_FREEBSD32 # Compatible with i386 binaries 61713c9391SDavid E. O'Brienoptions COMPAT_FREEBSD4 # Compatible with FreeBSD4 6222e59cecSKen Smithoptions COMPAT_FREEBSD5 # Compatible with FreeBSD5 636c9fdda7SRuslan Ermilovoptions COMPAT_FREEBSD6 # Compatible with FreeBSD6 645965c4b7SJohn Baldwinoptions COMPAT_FREEBSD7 # Compatible with FreeBSD7 657d313e7bSJohn Baldwinoptions COMPAT_FREEBSD9 # Compatible with FreeBSD9 667d313e7bSJohn Baldwinoptions COMPAT_FREEBSD10 # Compatible with FreeBSD10 677f68a896SMark Johnstonoptions COMPAT_FREEBSD11 # Compatible with FreeBSD11 68d6745408SConrad Meyeroptions COMPAT_FREEBSD12 # Compatible with FreeBSD12 6932672ba8SAndre Oppermannoptions SCSI_DELAY=5000 # Delay (in ms) before probing SCSI 70ba1cabf4SPeter Wemmoptions KTRACE # ktrace(1) support 713c90d1eaSRobert Watsonoptions STACK # stack(9) support 72713c9391SDavid E. O'Brienoptions SYSVSHM # SYSV-style shared memory 73713c9391SDavid E. O'Brienoptions SYSVMSG # SYSV-style message queues 74713c9391SDavid E. O'Brienoptions SYSVSEM # SYSV-style semaphores 75118ef86eSJohn Baldwinoptions _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions 76c2919fd8SEd Schoutenoptions PRINTF_BUFR_SIZE=128 # Prevent printf output being interspersed. 77ba1cabf4SPeter Wemmoptions KBD_INSTALL_CDEV # install a CDEV entry in /dev 78dbd47f15SXin LIoptions HWPMC_HOOKS # Necessary kernel hooks for hwpmc(4) 7968ce278eSMaxim Sobolevoptions AUDIT # Security event auditing 80009d2032SRobert Watsonoptions CAPABILITY_MODE # Capsicum capability mode 81009d2032SRobert Watsonoptions CAPABILITIES # Capsicum capabilities 82bd875f5fSRobert Watsonoptions MAC # TrustedBSD MAC Framework 83e9acaa9aSBrooks Davisoptions KDTRACE_FRAME # Ensure frames are compiled in 84e9acaa9aSBrooks Davisoptions KDTRACE_HOOKS # Kernel DTrace hooks 85b3a397a8SBrooks Davisoptions DDB_CTF # Kernel ELF linker loads CTF data 8687948dfdSWarner Loshoptions INCLUDE_CONFIG_FILE # Include this file in kernel 87ba8f0eb8SEdward Tomasz Napieralaoptions RACCT # Resource accounting framework 88ba8f0eb8SEdward Tomasz Napieralaoptions RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default 89ba8f0eb8SEdward Tomasz Napieralaoptions RCTL # Resource limits 90677060b4SPoul-Henning Kamp 916168545aSKen Smith# Debugging support. Always need this: 928bcb1e9eSMarcel Moolenaaroptions KDB # Enable kernel debugger support. 93818d282eSAndriy Gaponoptions KDB_TRACE # Print a stack trace for a panic. 949ba0691bSAndriy Gapon# For full debugger support use (turn off in stable branch): 958532d381SConrad Meyeroptions BUF_TRACKING # Track buffer history 968bcb1e9eSMarcel Moolenaaroptions DDB # Support DDB. 978532d381SConrad Meyeroptions FULL_BUF_TRACKING # Track more buffer history 988bcb1e9eSMarcel Moolenaaroptions GDB # Support remote GDB. 9988cbfa85SAttilio Raooptions DEADLKRES # Enable the deadlock resolver 100686710f7SAttilio Raooptions INVARIANTS # Enable calls of extra sanity checking 10147e87d5aSWarner Loshoptions INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS 10237bd4ba9SConrad Meyeroptions QUEUE_MACRO_DEBUG_TRASH # Trash queue(2) internal pointers on invalidation 103686710f7SAttilio Raooptions WITNESS # Enable checks to detect deadlocks and cycles 104686710f7SAttilio Raooptions WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed 105686710f7SAttilio Raooptions MALLOC_DEBUG_MAXZONES=8 # Separate malloc(9) zones 106be352d20SKyle Evansoptions VERBOSE_SYSINIT=0 # Support debug.verbose_sysinit, off by default 107524553f5SAndrew Turner 108524553f5SAndrew Turner# Kernel Sanitizers 1097e804fd5SConrad Meyer#options COVERAGE # Generic kernel coverage. Used by KCOV 1107e804fd5SConrad Meyer#options KCOV # Kernel Coverage Sanitizer 1113869df5dSAndrew Turner# Warning: KUBSAN can result in a kernel too large for loader to load 1123869df5dSAndrew Turner#options KUBSAN # Kernel Undefined Behavior Sanitizer 113849aef49SAndrew Turner#options KCSAN # Kernel Concurrency Sanitizer 1148fab58d8SPoul-Henning Kamp 115892bdcccSMark Johnston# Kernel dump features. 116892bdcccSMark Johnstonoptions EKCD # Support for encrypted kernel dumps 117892bdcccSMark Johnstonoptions GZIO # gzip-compressed kernel and user dumps 118892bdcccSMark Johnstonoptions ZSTDIO # zstd-compressed kernel and user dumps 1197790c8c1SConrad Meyeroptions DEBUGNET # debugnet networking 120892bdcccSMark Johnstonoptions NETDUMP # netdump(4) client support 121dda17b36SConrad Meyeroptions NETGDB # netgdb(4) client support 122892bdcccSMark Johnston 123b8aeddf1SPeter Wemm# Make an SMP-capable kernel by default 124b8aeddf1SPeter Wemmoptions SMP # Symmetric MultiProcessor Kernel 125b6638164SJohn Baldwinoptions EARLY_AP_STARTUP 126118ef86eSJohn Baldwin 127a7b811a6SNate Lawson# CPU frequency control 128a7b811a6SNate Lawsondevice cpufreq 129a7b811a6SNate Lawson 13054903605SPeter Wemm# Bus support. 131a4d60a7fSPeter Wemmdevice acpi 132f120ad6bSRuslan Bukinoptions IOMMU 133b618108fSPeter Wemmdevice pci 13482cb5c3bSJohn Baldwinoptions PCI_HP # PCI-Express native HotPlug 1359bfb1e36SRyan Stoneoptions PCI_IOV # PCI SR-IOV support 136ba1cabf4SPeter Wemm 1375832a3e3SKonstantin Belousovoptions COMPAT_LINUXKPI 1385832a3e3SKonstantin Belousov 139ba1cabf4SPeter Wemm# Floppy drives 140ba1cabf4SPeter Wemmdevice fdc 141677060b4SPoul-Henning Kamp 14297b53e36SAlexander Motin# ATA controllers 14397b53e36SAlexander Motindevice ahci # AHCI-compatible SATA controllers 14497b53e36SAlexander Motindevice ata # Legacy ATA/SATA controllers 14597b53e36SAlexander Motindevice mvs # Marvell 88SX50XX/88SX60XX/88SX70XX/SoC SATA 14697b53e36SAlexander Motindevice siis # SiliconImage SiI3124/SiI3132/SiI3531 SATA 147ff680471SDavid E. O'Brien 148ba1cabf4SPeter Wemm# SCSI Controllers 149ba1cabf4SPeter Wemmdevice ahc # AHA2940 and onboard AIC7xxx devices 150ba1cabf4SPeter Wemmdevice ahd # AHA39320/29320 and onboard AIC79xx devices 151a9ab459bSMarius Strobldevice esp # AMD Am53C974 (Tekram DC-390(T)) 1524439f8b4SScott Longdevice hptiop # Highpoint RocketRaid 3xxx series 153ba1cabf4SPeter Wemmdevice isp # Qlogic family 15446ec31b0SPeter Wemm#device ispfw # Firmware for QLogic HBAs- normally a module 155ba1cabf4SPeter Wemmdevice mpt # LSI-Logic MPT-Fusion 156d3c7b9a0SKenneth D. Merrydevice mps # LSI-Logic MPT-Fusion 2 157991554f2SKenneth D. Merrydevice mpr # LSI-Logic MPT-Fusion 3 1586a186782SWarner Loshdevice sym # NCR/Symbios Logic 159f11c7f63SJim Harrisdevice isci # Intel C600 SAS controller 160ef270ab1SKenneth D. Merrydevice ocs_fc # Emulex FC adapters 161052e12a5SJosh Paetzeldevice pvscsi # VMware PVSCSI 162ba1cabf4SPeter Wemm 16397b53e36SAlexander Motin# ATA/SCSI peripherals 16497b53e36SAlexander Motindevice scbus # SCSI bus (required for ATA/SCSI) 165ba1cabf4SPeter Wemmdevice ch # SCSI media changers 166ba1cabf4SPeter Wemmdevice da # Direct Access (disks) 167ba1cabf4SPeter Wemmdevice sa # Sequential Access (tape etc) 168ba1cabf4SPeter Wemmdevice cd # CD 16997b53e36SAlexander Motindevice pass # Passthrough device (direct ATA/SCSI access) 170130f4520SKenneth D. Merrydevice ses # Enclosure Services (SES and SAF-TE) 1718ed98609SEdward Tomasz Napierala#device ctl # CAM Target Layer 172ba1cabf4SPeter Wemm 173a4d60a7fSPeter Wemm# RAID controllers interfaced to the SCSI subsystem 1744d598bc1SMaxim Sobolevdevice amr # AMI MegaRAID 175d0885ac3SScott Longdevice arcmsr # Areca SATA II RAID 176a4d60a7fSPeter Wemmdevice ciss # Compaq Smart RAID 5* 177a4d60a7fSPeter Wemmdevice iir # Intel Integrated RAID 178a4d60a7fSPeter Wemmdevice ips # IBM (Adaptec) ServeRAID 179a4d60a7fSPeter Wemmdevice mly # Mylex AcceleRAID/eXtremeRAID 1802a779082SPeter Wemmdevice twa # 3ware 9000 series PATA/SATA RAID 1811e66f787SSean Brunodevice smartpqi # Microsemi smartpqi driver 182309dca01SXin LIdevice tws # LSI 3ware 9750 SATA+SAS 6Gb/s RAID controller 183a4d60a7fSPeter Wemm 184ba1cabf4SPeter Wemm# RAID controllers 185df6ece38SPeter Wemmdevice aac # Adaptec FSA RAID 186df6ece38SPeter Wemmdevice aacp # SCSI passthrough for aac (requires CAM) 187dce93cd0SAchim Leubnerdevice aacraid # Adaptec by PMC RAID 188ba1cabf4SPeter Wemmdevice ida # Compaq Smart RAID 1897f631a41SScott Longdevice mfi # LSI MegaRAID SAS 190ba1cabf4SPeter Wemmdevice mlx # Mylex DAC960 family 191a58b4afaSMark Johnstondevice mrsas # LSI/Avago MegaRAID SAS/SATA, 6Gb/s and 12Gb/s 19275333e64SWarner Loshdevice pmspcv # PMC-Sierra SAS/SATA Controller driver 193ba1cabf4SPeter Wemm#XXX pointer/int warnings 194ba1cabf4SPeter Wemm#device pst # Promise Supertrak SX6000 195ba1cabf4SPeter Wemmdevice twe # 3ware ATA RAID 196ba1cabf4SPeter Wemm 1976e3471bdSJim Harris# NVM Express (NVMe) support 1986e3471bdSJim Harrisdevice nvme # base NVMe driver 1996e3471bdSJim Harrisdevice nvd # expose NVMe namespaces as disks, depends on nvme 2006e3471bdSJim Harris 201f2521a76SDoug Ambrisko# Intel Volume Management Device (VMD) support 202f2521a76SDoug Ambriskodevice vmd # base VMD device 203f2521a76SDoug Ambriskodevice vmd_bus # bus for VMD children 204f2521a76SDoug Ambrisko 20523f7bd17SBrian Somers# atkbdc0 controls both the keyboard and the PS/2 mouse 20614426b9cSPeter Wemmdevice atkbdc # AT keyboard controller 20714426b9cSPeter Wemmdevice atkbd # AT keyboard 20814426b9cSPeter Wemmdevice psm # PS/2 mouse 2092ad872c5SKazutaka YOKOTA 210b6431012SMaksim Yevmenkindevice kbdmux # keyboard multiplexer 211b6431012SMaksim Yevmenkin 21214426b9cSPeter Wemmdevice vga # VGA video card driver 213e883bb1aSJung-uk Kimoptions VESA # Add support for VESA BIOS Extensions (VBE) 2142ad872c5SKazutaka YOKOTA 21514426b9cSPeter Wemmdevice splash # Splash screen and screen saver support 2162ad872c5SKazutaka YOKOTA 217c19da41eSPeter Wemm# syscons is the default console driver, resembling an SCO console 21814426b9cSPeter Wemmdevice sc 21900c885e1SJung-uk Kimoptions SC_PIXEL_MODE # add support for the raster text mode 2205895e3c8SPeter Wemm 22130dbb3eaSEd Maste# vt is the new video console driver 22230dbb3eaSEd Mastedevice vt 22330dbb3eaSEd Mastedevice vt_vga 22430dbb3eaSEd Mastedevice vt_efifb 225a4a10b37SToomas Soomedevice vt_vbefb 22630dbb3eaSEd Maste 227354096a3SEric Anholtdevice agp # support several AGP chipsets 228354096a3SEric Anholt 229ba1cabf4SPeter Wemm# PCCARD (PCMCIA) support 2303a0bfa76SPeter Wemm# PCMCIA and cardbus bridge support 231ba1cabf4SPeter Wemmdevice cbb # cardbus (yenta) bridge 232ba1cabf4SPeter Wemmdevice pccard # PC Card (16-bit) bus 233ba1cabf4SPeter Wemmdevice cardbus # CardBus (32-bit) bus 234e597b497SNate Williams 2351f06573dSPeter Wemm# Serial (COM) ports 23638195fdcSMarcel Moolenaardevice uart # Generic UART driver 237677060b4SPoul-Henning Kamp 23804e83575SJoseph Koshy# Parallel port 239ba1cabf4SPeter Wemmdevice ppc 240ba1cabf4SPeter Wemmdevice ppbus # Parallel port bus (required) 241ba1cabf4SPeter Wemmdevice lpt # Printer 242ba1cabf4SPeter Wemmdevice ppi # Parallel port interface device 243ba1cabf4SPeter Wemm#device vpo # Requires scbus and da 244ba1cabf4SPeter Wemm 2453a3ba1b0SJohn Baldwindevice puc # Multi I/O cards and multi-channel UARTs 246ba1cabf4SPeter Wemm 247c75f49f7SKonstantin Belousov# PCI/PCI-X/PCIe Ethernet NICs that use iflib infrastructure 248c75f49f7SKonstantin Belousovdevice iflib 249859ff640SJack F Vogeldevice em # Intel PRO/1000 Gigabit Ethernet Family 250758cc3dcSJack F Vogeldevice ix # Intel PRO/10GbE PCIE PF Ethernet 251758cc3dcSJack F Vogeldevice ixv # Intel PRO/10GbE PCIE VF Ethernet 25277c1fcecSEric Joynerdevice ixl # Intel 700 Series Physical Function 25377c1fcecSEric Joynerdevice iavf # Intel Adaptive Virtual Function 25471d10453SEric Joynerdevice ice # Intel 800 Series Physical Function 255c75f49f7SKonstantin Belousovdevice vmx # VMware VMXNET3 Ethernet 256aa776623SMuhammad Moinur Rahmandevice axp # AMD EPYC integrated NIC (requires miibus) 257c75f49f7SKonstantin Belousov 258c75f49f7SKonstantin Belousov# PCI Ethernet NICs. 259c75f49f7SKonstantin Belousovdevice bxe # Broadcom NetXtreme II BCM5771X/BCM578XX 10GbE 2608df071afSMarius Strobldevice le # AMD Am7900 LANCE and Am79C9xx PCnet 2616e535f6eSRemko Lodderdevice ti # Alteon Networks Tigon I/II gigabit Ethernet 262c6a5d1a6SPeter Wemm 2635832a3e3SKonstantin Belousov# Nvidia/Mellanox Connect-X 4 and later, Ethernet only 2645832a3e3SKonstantin Belousov# mlx5ib requires ibcore infra and is not included by default 2655832a3e3SKonstantin Belousovdevice mlx5 # Base driver 2665832a3e3SKonstantin Belousovdevice mlxfw # Firmware update 2675832a3e3SKonstantin Belousovdevice mlx5en # Ethernet driver 2685832a3e3SKonstantin Belousov 269c6a5d1a6SPeter Wemm# PCI Ethernet NICs that use the common MII bus controller code. 270f94a808cSNik Clayton# NOTE: Be sure to keep the 'device miibus' line in order to use these NICs! 271c9953c3bSPeter Wemmdevice miibus # MII bus support 272ba26d470SStanislav Sedovdevice ae # Attansic/Atheros L2 FastEthernet 27383a17b90SPyun YongHyeondevice age # Attansic/Atheros L1 Gigabit Ethernet 274d68875ebSPyun YongHyeondevice alc # Atheros AR8131/AR8132 Ethernet 2753c6e15bcSPyun YongHyeondevice ale # Atheros AR8121/AR8113/AR8114 Ethernet 276d8636a9aSPaul Saabdevice bce # Broadcom BCM5706/BCM5708 Gigabit Ethernet 2774e744b5eSDavid E. O'Briendevice bfe # Broadcom BCM440x 10/100 Ethernet 2783fc40c24SDavid E. O'Briendevice bge # Broadcom BCM570xx Gigabit Ethernet 279b78ebd64SMarius Strobldevice cas # Sun Cassini/Cassini+ and NS DP83065 Saturn 280ba1cabf4SPeter Wemmdevice dc # DEC/Intel 21143 and various workalikes 2814d52a575SXin LIdevice et # Agere ET1310 10/100/Gigabit Ethernet 2824664a8d5SJonathan Lemondevice fxp # Intel EtherExpress PRO/100B (82557, 82558) 283b78ebd64SMarius Strobldevice gem # Sun GEM/Sun ERI/Apple GMAC 28420f99a5bSPyun YongHyeondevice jme # JMicron JMC250 Gigabit/JMC260 Fast Ethernet 2856f4e528aSJun Kuriyamadevice lge # Level 1 LXT1001 gigabit Ethernet 2861f90cf98SPyun YongHyeondevice msk # Marvell/SysKonnect Yukon II Gigabit Ethernet 287b5f0caf9SPyun YongHyeondevice nfe # nVidia nForce MCP on-board Ethernet 2886f4e528aSJun Kuriyamadevice nge # NatSemi DP83820 gigabit Ethernet 289a94100faSBill Pauldevice re # RealTek 8139C+/8169/8169S/8110S 290ba1cabf4SPeter Wemmdevice rl # RealTek 8129/8139 291d193ed0bSPyun YongHyeondevice sge # Silicon Integrated Systems SiS190/191 292ba1cabf4SPeter Wemmdevice sis # Silicon Integrated Systems SiS 900/SiS 7016 2934e744b5eSDavid E. O'Briendevice sk # SysKonnect SK-984x & SK-982x gigabit Ethernet 294ba1cabf4SPeter Wemmdevice ste # Sundance ST201 (D-Link DFE-550TX) 295579aaaa4SMaxim Sobolevdevice stge # Sundance/Tamarack TC9021 gigabit Ethernet 2966f4e528aSJun Kuriyamadevice vge # VIA VT612x gigabit Ethernet 297ba1cabf4SPeter Wemmdevice vr # VIA Rhine, Rhine II 298c9953c3bSPeter Wemmdevice xl # 3Com 3c90x (``Boomerang'', ``Cyclone'') 29929c6a10bSGarrett Wollman 300ba1cabf4SPeter Wemm# Wireless NIC cards 301ba1cabf4SPeter Wemmdevice wlan # 802.11 support 3026c26723bSSam Leffleroptions IEEE80211_DEBUG # enable debug msgs 303c16c6b65SRui Paulooptions IEEE80211_SUPPORT_MESH # enable 802.11s draft support 30457d6ae06SSam Lefflerdevice wlan_wep # 802.11 WEP support 30557d6ae06SSam Lefflerdevice wlan_ccmp # 802.11 CCMP support 30657d6ae06SSam Lefflerdevice wlan_tkip # 802.11 TKIP support 30700465d5aSKevin Lodevice wlan_amrr # AMRR transmit rate control algorithm 308ba1cabf4SPeter Wemmdevice an # Aironet 4500/4800 802.11 wireless NICs. 30967944c45SGlen Barberdevice ath # Atheros NICs 310dba9c859SAdrian Chadddevice ath_pci # Atheros pci/cardbus glue 31133644623SSam Lefflerdevice ath_hal # pci/cardbus chip support 3123342d830SAdrian Chaddoptions AH_AR5416_INTERRUPT_MITIGATION # AR5416 interrupt mitigation 31383567110SAdrian Chaddoptions ATH_ENABLE_11N # Enable 802.11n support for AR5416 and later 31457d6ae06SSam Lefflerdevice ath_rate_sample # SampleRate tx rate control for ath 315d1f25d5dSBernhard Schmidt#device bwi # Broadcom BCM430x/BCM431x wireless NICs. 316d1f25d5dSBernhard Schmidt#device bwn # Broadcom BCM43xx wireless NICs. 317d1f25d5dSBernhard Schmidtdevice ipw # Intel 2100 wireless NICs. 318d1f25d5dSBernhard Schmidtdevice iwi # Intel 2200BG/2225BG/2915ABG wireless NICs. 319d1f25d5dSBernhard Schmidtdevice iwn # Intel 4965/1000/5000/6000 wireless NICs. 320d1f25d5dSBernhard Schmidtdevice malo # Marvell Libertas wireless NICs. 321d1f25d5dSBernhard Schmidtdevice mwl # Marvell 88W8363 802.11n wireless NICs. 3220b090f41SDamien Bergaminidevice ral # Ralink Technology RT2500 wireless NICs. 323d1f25d5dSBernhard Schmidtdevice wpi # Intel 3945ABG wireless NICs. 324ba1cabf4SPeter Wemm 325aa355a26SMaxim Konovalov# Pseudo devices. 3268cd385fdSJohn Baldwindevice crypto # core crypto support 327074a91f7SJohn Baldwindevice aesni # AES-NI OpenCrypto module 328f71c01ccSPeter Wemmdevice loop # Network loopback 32946be218dSDavid E. O'Briendevice padlock_rng # VIA Padlock RNG 33046be218dSDavid E. O'Briendevice rdrand_rng # Intel Bull Mountain RNG 331f71c01ccSPeter Wemmdevice ether # Ethernet support 3329efde583SBrooks Davisdevice vlan # 802.1Q VLAN support 333251a32b5SKyle Evansdevice tuntap # Packet tunnel. 334ba1cabf4SPeter Wemmdevice md # Memory "disks" 335ba1cabf4SPeter Wemmdevice gif # IPv6 and IPv4 tunneling 336086ba9f7SMatt Jacobdevice firmware # firmware assist module 3375832a3e3SKonstantin Belousovdevice xz # lzma decompression 338713c9391SDavid E. O'Brien 339713c9391SDavid E. O'Brien# The `bpf' device enables the Berkeley Packet Filter. 340713c9391SDavid E. O'Brien# Be aware of the administrative consequences of enabling this! 341991f5121SMurray Stokely# Note that 'bpf' is required for DHCP. 342713c9391SDavid E. O'Briendevice bpf # Berkeley packet filter 3430cec007cSNick Hibma 344c89d41e5SAndrew Thompson# USB support 345f6a9d95bSAndrew Thompsonoptions USB_DEBUG # enable debug msgs 346c89d41e5SAndrew Thompsondevice uhci # UHCI PCI->USB interface 347c89d41e5SAndrew Thompsondevice ohci # OHCI PCI->USB interface 348c89d41e5SAndrew Thompsondevice ehci # EHCI PCI->USB interface (USB 2.0) 349144b7166SHans Petter Selaskydevice xhci # XHCI PCI->USB interface (USB 3.0) 350c89d41e5SAndrew Thompsondevice usb # USB Bus (required) 351c89d41e5SAndrew Thompsondevice ukbd # Keyboard 352c89d41e5SAndrew Thompsondevice umass # Disks/Mass storage - Requires scbus and da 353ba1cabf4SPeter Wemm 354701b698bSJoel Dahl# Sound support 355701b698bSJoel Dahldevice sound # Generic sound driver (required) 356f38f12f2SJoel Dahldevice snd_cmi # CMedia CMI8338/CMI8738 357f38f12f2SJoel Dahldevice snd_csa # Crystal Semiconductor CS461x/428x 358f38f12f2SJoel Dahldevice snd_emu10kx # Creative SoundBlaster Live! and Audigy 359701b698bSJoel Dahldevice snd_es137x # Ensoniq AudioPCI ES137x 360701b698bSJoel Dahldevice snd_hda # Intel High Definition Audio 361701b698bSJoel Dahldevice snd_ich # Intel, NVidia and other ICH AC'97 Audio 362701b698bSJoel Dahldevice snd_via8233 # VIA VT8233x Audio 363966d0ed1SKevin Lo 364966d0ed1SKevin Lo# MMC/SD 365966d0ed1SKevin Lodevice mmc # MMC/SD bus 366966d0ed1SKevin Lodevice mmcsd # MMC/SD memory card 367966d0ed1SKevin Lodevice sdhci # Generic PCI SD Host Controller 368926ce35aSJung-uk Kimdevice rtsx # Realtek SD card reader 369ae366ffcSBryan Venteicher 370ae366ffcSBryan Venteicher# VirtIO support 371ae366ffcSBryan Venteicherdevice virtio # Generic VirtIO bus (required) 372ae366ffcSBryan Venteicherdevice virtio_pci # VirtIO PCI device 373ae366ffcSBryan Venteicherdevice vtnet # VirtIO Ethernet device 374ae366ffcSBryan Venteicherdevice virtio_blk # VirtIO Block device 375ae366ffcSBryan Venteicherdevice virtio_scsi # VirtIO SCSI device 376ae366ffcSBryan Venteicherdevice virtio_balloon # VirtIO Memory Balloon device 37715b996d7SPeter Grehan 378edafb5a3SPedro F. Giffuni# HyperV drivers and enhancement support 37991aff610SGlen Barberdevice hyperv # HyperV drivers 38091aff610SGlen Barber 3816b48eebeSGlen Barber# Xen HVM Guest Optimizations 3826b48eebeSGlen Barber# NOTE: XENHVM depends on xenpci. They must be added or removed together. 3836b48eebeSGlen Barberoptions XENHVM # Xen HVM kernel infrastructure 3846b48eebeSGlen Barberdevice xenpci # Xen HVM Hypervisor services driver 385566a5f50SJustin T. Gibbs 386169760a4SGeorge V. Neville-Neil# Netmap provides direct access to TX/RX rings on supported NICs 3872ec930efSPatrick Kelseydevice netmap # netmap(4) support 388af14df77SNiclas Zeising 389af14df77SNiclas Zeising# evdev interface 390af14df77SNiclas Zeisingoptions EVDEV_SUPPORT # evdev support in legacy drivers 391af14df77SNiclas Zeisingdevice evdev # input event device support 392af14df77SNiclas Zeisingdevice uinput # install /dev/uinput cdev 39367de2db2SVladimir Kondratyev 39467de2db2SVladimir Kondratyev# HID support 39519758786SVladimir Kondratyevoptions HID_DEBUG # enable debug msgs 39667de2db2SVladimir Kondratyevdevice hid # Generic HID support 397b1f1b07fSVladimir Kondratyevoptions IICHID_SAMPLING # Workaround missing GPIO INTR support 398