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# 7c1a14887SCeri Davies# https://docs.freebsd.org/en/books/handbook/kernelconfig/#kernelconfig-config 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# 19677060b4SPoul-Henning Kamp 20afa88623SPeter Wemmcpu HAMMER 21677060b4SPoul-Henning Kampident GENERIC 22677060b4SPoul-Henning Kamp 233f1afabfSWarner Loshmakeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols 24e9acaa9aSBrooks Davismakeoptions WITH_CTF=1 # Run ctfconvert(1) for DTrace support 25713c9391SDavid E. O'Brien 2695b55771SKen Smithoptions SCHED_ULE # ULE scheduler 27e382dd47SMateusz Guzikoptions NUMA # Non-Uniform Memory Architecture support 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 323b65550eSJosh Paetzeloptions IPSEC_SUPPORT # Allow kldload of ipsec and tcpmd5 33d5fe384bSAlexander V. Chernikovoptions ROUTE_MPATH # Multipath routing support 346993187aSAlexander V. Chernikovoptions FIB_ALGO # Modular fib lookups 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 694e85b648SKristof Provostoptions COMPAT_FREEBSD13 # Compatible with FreeBSD13 7084d12f88SKristof Provostoptions COMPAT_FREEBSD14 # Compatible with FreeBSD14 7132672ba8SAndre Oppermannoptions SCSI_DELAY=5000 # Delay (in ms) before probing SCSI 72ba1cabf4SPeter Wemmoptions KTRACE # ktrace(1) support 733c90d1eaSRobert Watsonoptions STACK # stack(9) support 74713c9391SDavid E. O'Brienoptions SYSVSHM # SYSV-style shared memory 75713c9391SDavid E. O'Brienoptions SYSVMSG # SYSV-style message queues 76713c9391SDavid E. O'Brienoptions SYSVSEM # SYSV-style semaphores 77118ef86eSJohn Baldwinoptions _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions 78c2919fd8SEd Schoutenoptions PRINTF_BUFR_SIZE=128 # Prevent printf output being interspersed. 79ba1cabf4SPeter Wemmoptions KBD_INSTALL_CDEV # install a CDEV entry in /dev 80dbd47f15SXin LIoptions HWPMC_HOOKS # Necessary kernel hooks for hwpmc(4) 8168ce278eSMaxim Sobolevoptions AUDIT # Security event auditing 82009d2032SRobert Watsonoptions CAPABILITY_MODE # Capsicum capability mode 83009d2032SRobert Watsonoptions CAPABILITIES # Capsicum capabilities 84bd875f5fSRobert Watsonoptions MAC # TrustedBSD MAC Framework 85e9acaa9aSBrooks Davisoptions KDTRACE_FRAME # Ensure frames are compiled in 86e9acaa9aSBrooks Davisoptions KDTRACE_HOOKS # Kernel DTrace hooks 87b3a397a8SBrooks Davisoptions DDB_CTF # Kernel ELF linker loads CTF data 8887948dfdSWarner Loshoptions INCLUDE_CONFIG_FILE # Include this file in kernel 89ba8f0eb8SEdward Tomasz Napieralaoptions RACCT # Resource accounting framework 90ba8f0eb8SEdward Tomasz Napieralaoptions RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default 91ba8f0eb8SEdward Tomasz Napieralaoptions RCTL # Resource limits 92677060b4SPoul-Henning Kamp 936168545aSKen Smith# Debugging support. Always need this: 948bcb1e9eSMarcel Moolenaaroptions KDB # Enable kernel debugger support. 95818d282eSAndriy Gaponoptions KDB_TRACE # Print a stack trace for a panic. 969ba0691bSAndriy Gapon# For full debugger support use (turn off in stable branch): 978532d381SConrad Meyeroptions BUF_TRACKING # Track buffer history 988bcb1e9eSMarcel Moolenaaroptions DDB # Support DDB. 998532d381SConrad Meyeroptions FULL_BUF_TRACKING # Track more buffer history 1008bcb1e9eSMarcel Moolenaaroptions GDB # Support remote GDB. 10188cbfa85SAttilio Raooptions DEADLKRES # Enable the deadlock resolver 102686710f7SAttilio Raooptions INVARIANTS # Enable calls of extra sanity checking 10347e87d5aSWarner Loshoptions INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS 10437bd4ba9SConrad Meyeroptions QUEUE_MACRO_DEBUG_TRASH # Trash queue(2) internal pointers on invalidation 105686710f7SAttilio Raooptions WITNESS # Enable checks to detect deadlocks and cycles 106686710f7SAttilio Raooptions WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed 107686710f7SAttilio Raooptions MALLOC_DEBUG_MAXZONES=8 # Separate malloc(9) zones 108be352d20SKyle Evansoptions VERBOSE_SYSINIT=0 # Support debug.verbose_sysinit, off by default 109524553f5SAndrew Turner 110524553f5SAndrew Turner# Kernel Sanitizers 1117e804fd5SConrad Meyer#options COVERAGE # Generic kernel coverage. Used by KCOV 1127e804fd5SConrad Meyer#options KCOV # Kernel Coverage Sanitizer 1133869df5dSAndrew Turner# Warning: KUBSAN can result in a kernel too large for loader to load 1143869df5dSAndrew Turner#options KUBSAN # Kernel Undefined Behavior Sanitizer 115849aef49SAndrew Turner#options KCSAN # Kernel Concurrency Sanitizer 1168fab58d8SPoul-Henning Kamp 117892bdcccSMark Johnston# Kernel dump features. 118892bdcccSMark Johnstonoptions EKCD # Support for encrypted kernel dumps 119892bdcccSMark Johnstonoptions GZIO # gzip-compressed kernel and user dumps 120892bdcccSMark Johnstonoptions ZSTDIO # zstd-compressed kernel and user dumps 1217790c8c1SConrad Meyeroptions DEBUGNET # debugnet networking 122892bdcccSMark Johnstonoptions NETDUMP # netdump(4) client support 123dda17b36SConrad Meyeroptions NETGDB # netgdb(4) client support 124892bdcccSMark Johnston 125b8aeddf1SPeter Wemm# Make an SMP-capable kernel by default 126b8aeddf1SPeter Wemmoptions SMP # Symmetric MultiProcessor Kernel 127118ef86eSJohn Baldwin 128a7b811a6SNate Lawson# CPU frequency control 129a7b811a6SNate Lawsondevice cpufreq 130a7b811a6SNate Lawson 13154903605SPeter Wemm# Bus support. 132a4d60a7fSPeter Wemmdevice acpi 133d0673fe1SAllan Judedevice smbios 134f120ad6bSRuslan Bukinoptions IOMMU 135b618108fSPeter Wemmdevice pci 13682cb5c3bSJohn Baldwinoptions PCI_HP # PCI-Express native HotPlug 1379bfb1e36SRyan Stoneoptions PCI_IOV # PCI SR-IOV support 138ba1cabf4SPeter Wemm 1395832a3e3SKonstantin Belousovoptions COMPAT_LINUXKPI 1405832a3e3SKonstantin Belousov 141e81e77c5SKonstantin Belousov# Enable support for the kernel PLL to use an external PPS signal, 142e81e77c5SKonstantin Belousov# under supervision of [x]ntpd(8) 143e81e77c5SKonstantin Belousov# More info in ntpd documentation: http://www.eecis.udel.edu/~ntp 144e81e77c5SKonstantin Belousov 145e81e77c5SKonstantin Belousovoptions PPS_SYNC 146e81e77c5SKonstantin Belousov 147ba1cabf4SPeter Wemm# Floppy drives 148ba1cabf4SPeter Wemmdevice fdc 149677060b4SPoul-Henning Kamp 15097b53e36SAlexander Motin# ATA controllers 15197b53e36SAlexander Motindevice ahci # AHCI-compatible SATA controllers 15297b53e36SAlexander Motindevice ata # Legacy ATA/SATA controllers 15397b53e36SAlexander Motindevice mvs # Marvell 88SX50XX/88SX60XX/88SX70XX/SoC SATA 15497b53e36SAlexander Motindevice siis # SiliconImage SiI3124/SiI3132/SiI3531 SATA 155ff680471SDavid E. O'Brien 156ba1cabf4SPeter Wemm# SCSI Controllers 157ba1cabf4SPeter Wemmdevice ahc # AHA2940 and onboard AIC7xxx devices 158ba1cabf4SPeter Wemmdevice ahd # AHA39320/29320 and onboard AIC79xx devices 1594439f8b4SScott Longdevice hptiop # Highpoint RocketRaid 3xxx series 160ba1cabf4SPeter Wemmdevice isp # Qlogic family 16146ec31b0SPeter Wemm#device ispfw # Firmware for QLogic HBAs- normally a module 162ba1cabf4SPeter Wemmdevice mpt # LSI-Logic MPT-Fusion 163d3c7b9a0SKenneth D. Merrydevice mps # LSI-Logic MPT-Fusion 2 164991554f2SKenneth D. Merrydevice mpr # LSI-Logic MPT-Fusion 3 1656a186782SWarner Loshdevice sym # NCR/Symbios Logic 166f11c7f63SJim Harrisdevice isci # Intel C600 SAS controller 167ef270ab1SKenneth D. Merrydevice ocs_fc # Emulex FC adapters 168052e12a5SJosh Paetzeldevice pvscsi # VMware PVSCSI 169ba1cabf4SPeter Wemm 17097b53e36SAlexander Motin# ATA/SCSI peripherals 17197b53e36SAlexander Motindevice scbus # SCSI bus (required for ATA/SCSI) 172ba1cabf4SPeter Wemmdevice ch # SCSI media changers 173ba1cabf4SPeter Wemmdevice da # Direct Access (disks) 174ba1cabf4SPeter Wemmdevice sa # Sequential Access (tape etc) 175ba1cabf4SPeter Wemmdevice cd # CD 17697b53e36SAlexander Motindevice pass # Passthrough device (direct ATA/SCSI access) 177130f4520SKenneth D. Merrydevice ses # Enclosure Services (SES and SAF-TE) 1788ed98609SEdward Tomasz Napierala#device ctl # CAM Target Layer 179ba1cabf4SPeter Wemm 180a4d60a7fSPeter Wemm# RAID controllers interfaced to the SCSI subsystem 181d0885ac3SScott Longdevice arcmsr # Areca SATA II RAID 182a4d60a7fSPeter Wemmdevice ciss # Compaq Smart RAID 5* 183a4d60a7fSPeter Wemmdevice ips # IBM (Adaptec) ServeRAID 1841e66f787SSean Brunodevice smartpqi # Microsemi smartpqi driver 185309dca01SXin LIdevice tws # LSI 3ware 9750 SATA+SAS 6Gb/s RAID controller 186a4d60a7fSPeter Wemm 187ba1cabf4SPeter Wemm# RAID controllers 188df6ece38SPeter Wemmdevice aac # Adaptec FSA RAID 189df6ece38SPeter Wemmdevice aacp # SCSI passthrough for aac (requires CAM) 190dce93cd0SAchim Leubnerdevice aacraid # Adaptec by PMC RAID 191ba1cabf4SPeter Wemmdevice ida # Compaq Smart RAID 1927f631a41SScott Longdevice mfi # LSI MegaRAID SAS 193ba1cabf4SPeter Wemmdevice mlx # Mylex DAC960 family 194a58b4afaSMark Johnstondevice mrsas # LSI/Avago MegaRAID SAS/SATA, 6Gb/s and 12Gb/s 195ba1cabf4SPeter Wemm#XXX pointer/int warnings 196ba1cabf4SPeter Wemm#device pst # Promise Supertrak SX6000 197ba1cabf4SPeter Wemm 1986e3471bdSJim Harris# NVM Express (NVMe) support 1996e3471bdSJim Harrisdevice nvme # base NVMe driver 2006e3471bdSJim Harrisdevice nvd # expose NVMe namespaces as disks, depends on nvme 2016e3471bdSJim Harris 202f2521a76SDoug Ambrisko# Intel Volume Management Device (VMD) support 2037af4475aSAlexander Motindevice vmd 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 212228e020aSEd Maste# syscons is the legacy console driver, resembling an SCO console 21328dcccc1SEd Mastedevice vga # VGA video card driver 21428dcccc1SEd Mastedevice splash # Splash screen and screen saver support 21514426b9cSPeter Wemmdevice sc 21600c885e1SJung-uk Kimoptions SC_PIXEL_MODE # add support for the raster text mode 2175895e3c8SPeter Wemm 218228e020aSEd Maste# vt is the default video console driver 21930dbb3eaSEd Mastedevice vt 22030dbb3eaSEd Mastedevice vt_vga 22130dbb3eaSEd Mastedevice vt_efifb 222a4a10b37SToomas Soomedevice vt_vbefb 22330dbb3eaSEd Maste 224354096a3SEric Anholtdevice agp # support several AGP chipsets 225354096a3SEric Anholt 226b4fba31bSWarner Losh# CardBus bridge support 227b4fba31bSWarner Loshdevice cbb # CardBus (yenta) bridge 228ba1cabf4SPeter Wemmdevice cardbus # CardBus (32-bit) bus 229e597b497SNate Williams 2301f06573dSPeter Wemm# Serial (COM) ports 23138195fdcSMarcel Moolenaardevice uart # Generic UART driver 232677060b4SPoul-Henning Kamp 23304e83575SJoseph Koshy# Parallel port 234ba1cabf4SPeter Wemmdevice ppc 235ba1cabf4SPeter Wemmdevice ppbus # Parallel port bus (required) 236ba1cabf4SPeter Wemmdevice lpt # Printer 237ba1cabf4SPeter Wemmdevice ppi # Parallel port interface device 238ba1cabf4SPeter Wemm#device vpo # Requires scbus and da 239ba1cabf4SPeter Wemm 2403a3ba1b0SJohn Baldwindevice puc # Multi I/O cards and multi-channel UARTs 241ba1cabf4SPeter Wemm 242c75f49f7SKonstantin Belousov# PCI/PCI-X/PCIe Ethernet NICs that use iflib infrastructure 243c75f49f7SKonstantin Belousovdevice iflib 244859ff640SJack F Vogeldevice em # Intel PRO/1000 Gigabit Ethernet Family 245517904deSPeter Grehandevice igc # Intel I225 2.5G Ethernet 246758cc3dcSJack F Vogeldevice ix # Intel PRO/10GbE PCIE PF Ethernet 247758cc3dcSJack F Vogeldevice ixv # Intel PRO/10GbE PCIE VF Ethernet 24877c1fcecSEric Joynerdevice ixl # Intel 700 Series Physical Function 24977c1fcecSEric Joynerdevice iavf # Intel Adaptive Virtual Function 25071d10453SEric Joynerdevice ice # Intel 800 Series Physical Function 251c75f49f7SKonstantin Belousovdevice vmx # VMware VMXNET3 Ethernet 252aa776623SMuhammad Moinur Rahmandevice axp # AMD EPYC integrated NIC (requires miibus) 253c75f49f7SKonstantin Belousov 254c75f49f7SKonstantin Belousov# PCI Ethernet NICs. 255c75f49f7SKonstantin Belousovdevice bxe # Broadcom NetXtreme II BCM5771X/BCM578XX 10GbE 2568df071afSMarius Strobldevice le # AMD Am7900 LANCE and Am79C9xx PCnet 2576e535f6eSRemko Lodderdevice ti # Alteon Networks Tigon I/II gigabit Ethernet 258c6a5d1a6SPeter Wemm 2595832a3e3SKonstantin Belousov# Nvidia/Mellanox Connect-X 4 and later, Ethernet only 2606a70a0c8SMaxim Sobolev# o requires COMPAT_LINUXKPI and xz(4) 2616a70a0c8SMaxim Sobolev# o mlx5ib requires ibcore infra and is not included by default 2625832a3e3SKonstantin Belousovdevice mlx5 # Base driver 2635832a3e3SKonstantin Belousovdevice mlxfw # Firmware update 2645832a3e3SKonstantin Belousovdevice mlx5en # Ethernet driver 2655832a3e3SKonstantin Belousov 266c6a5d1a6SPeter Wemm# PCI Ethernet NICs that use the common MII bus controller code. 267f94a808cSNik Clayton# NOTE: Be sure to keep the 'device miibus' line in order to use these NICs! 268c9953c3bSPeter Wemmdevice miibus # MII bus support 269ba26d470SStanislav Sedovdevice ae # Attansic/Atheros L2 FastEthernet 27083a17b90SPyun YongHyeondevice age # Attansic/Atheros L1 Gigabit Ethernet 271d68875ebSPyun YongHyeondevice alc # Atheros AR8131/AR8132 Ethernet 2723c6e15bcSPyun YongHyeondevice ale # Atheros AR8121/AR8113/AR8114 Ethernet 273d8636a9aSPaul Saabdevice bce # Broadcom BCM5706/BCM5708 Gigabit Ethernet 2744e744b5eSDavid E. O'Briendevice bfe # Broadcom BCM440x 10/100 Ethernet 2753fc40c24SDavid E. O'Briendevice bge # Broadcom BCM570xx Gigabit Ethernet 276b78ebd64SMarius Strobldevice cas # Sun Cassini/Cassini+ and NS DP83065 Saturn 277ba1cabf4SPeter Wemmdevice dc # DEC/Intel 21143 and various workalikes 2784d52a575SXin LIdevice et # Agere ET1310 10/100/Gigabit Ethernet 2794664a8d5SJonathan Lemondevice fxp # Intel EtherExpress PRO/100B (82557, 82558) 280b78ebd64SMarius Strobldevice gem # Sun GEM/Sun ERI/Apple GMAC 28120f99a5bSPyun YongHyeondevice jme # JMicron JMC250 Gigabit/JMC260 Fast Ethernet 2826f4e528aSJun Kuriyamadevice lge # Level 1 LXT1001 gigabit Ethernet 2831f90cf98SPyun YongHyeondevice msk # Marvell/SysKonnect Yukon II Gigabit Ethernet 284b5f0caf9SPyun YongHyeondevice nfe # nVidia nForce MCP on-board Ethernet 2856f4e528aSJun Kuriyamadevice nge # NatSemi DP83820 gigabit Ethernet 286a94100faSBill Pauldevice re # RealTek 8139C+/8169/8169S/8110S 287ba1cabf4SPeter Wemmdevice rl # RealTek 8129/8139 288d193ed0bSPyun YongHyeondevice sge # Silicon Integrated Systems SiS190/191 289ba1cabf4SPeter Wemmdevice sis # Silicon Integrated Systems SiS 900/SiS 7016 2904e744b5eSDavid E. O'Briendevice sk # SysKonnect SK-984x & SK-982x gigabit Ethernet 291ba1cabf4SPeter Wemmdevice ste # Sundance ST201 (D-Link DFE-550TX) 292579aaaa4SMaxim Sobolevdevice stge # Sundance/Tamarack TC9021 gigabit Ethernet 2936f4e528aSJun Kuriyamadevice vge # VIA VT612x gigabit Ethernet 294ba1cabf4SPeter Wemmdevice vr # VIA Rhine, Rhine II 295c9953c3bSPeter Wemmdevice xl # 3Com 3c90x (``Boomerang'', ``Cyclone'') 29629c6a10bSGarrett Wollman 297ba1cabf4SPeter Wemm# Wireless NIC cards 298ba1cabf4SPeter Wemmdevice wlan # 802.11 support 2996c26723bSSam Leffleroptions IEEE80211_DEBUG # enable debug msgs 300c16c6b65SRui Paulooptions IEEE80211_SUPPORT_MESH # enable 802.11s draft support 30157d6ae06SSam Lefflerdevice wlan_wep # 802.11 WEP support 30257d6ae06SSam Lefflerdevice wlan_ccmp # 802.11 CCMP support 30357d6ae06SSam Lefflerdevice wlan_tkip # 802.11 TKIP support 30400465d5aSKevin Lodevice wlan_amrr # AMRR transmit rate control algorithm 30537c8ee88SMarius Strobldevice ath # Atheros CardBus/PCI NICs 30637c8ee88SMarius Strobldevice ath_hal # Atheros CardBus/PCI chip support 3073342d830SAdrian Chaddoptions AH_AR5416_INTERRUPT_MITIGATION # AR5416 interrupt mitigation 30857d6ae06SSam Lefflerdevice ath_rate_sample # SampleRate tx rate control for ath 309d1f25d5dSBernhard Schmidt#device bwi # Broadcom BCM430x/BCM431x wireless NICs. 310d1f25d5dSBernhard Schmidt#device bwn # Broadcom BCM43xx wireless NICs. 311d1f25d5dSBernhard Schmidtdevice ipw # Intel 2100 wireless NICs. 312d1f25d5dSBernhard Schmidtdevice iwi # Intel 2200BG/2225BG/2915ABG wireless NICs. 313d1f25d5dSBernhard Schmidtdevice iwn # Intel 4965/1000/5000/6000 wireless NICs. 314d1f25d5dSBernhard Schmidtdevice malo # Marvell Libertas wireless NICs. 315d1f25d5dSBernhard Schmidtdevice mwl # Marvell 88W8363 802.11n wireless NICs. 3160b090f41SDamien Bergaminidevice ral # Ralink Technology RT2500 wireless NICs. 317d1f25d5dSBernhard Schmidtdevice wpi # Intel 3945ABG wireless NICs. 318ba1cabf4SPeter Wemm 319aa355a26SMaxim Konovalov# Pseudo devices. 3208cd385fdSJohn Baldwindevice crypto # core crypto support 321074a91f7SJohn Baldwindevice aesni # AES-NI OpenCrypto module 322f71c01ccSPeter Wemmdevice loop # Network loopback 32346be218dSDavid E. O'Briendevice padlock_rng # VIA Padlock RNG 32446be218dSDavid E. O'Briendevice rdrand_rng # Intel Bull Mountain RNG 325f71c01ccSPeter Wemmdevice ether # Ethernet support 3269efde583SBrooks Davisdevice vlan # 802.1Q VLAN support 327251a32b5SKyle Evansdevice tuntap # Packet tunnel. 328ba1cabf4SPeter Wemmdevice md # Memory "disks" 329ba1cabf4SPeter Wemmdevice gif # IPv6 and IPv4 tunneling 330086ba9f7SMatt Jacobdevice firmware # firmware assist module 3315832a3e3SKonstantin Belousovdevice xz # lzma decompression 332713c9391SDavid E. O'Brien 333713c9391SDavid E. O'Brien# The `bpf' device enables the Berkeley Packet Filter. 334713c9391SDavid E. O'Brien# Be aware of the administrative consequences of enabling this! 335991f5121SMurray Stokely# Note that 'bpf' is required for DHCP. 336713c9391SDavid E. O'Briendevice bpf # Berkeley packet filter 3370cec007cSNick Hibma 338c89d41e5SAndrew Thompson# USB support 339f6a9d95bSAndrew Thompsonoptions USB_DEBUG # enable debug msgs 340c89d41e5SAndrew Thompsondevice uhci # UHCI PCI->USB interface 341c89d41e5SAndrew Thompsondevice ohci # OHCI PCI->USB interface 342c89d41e5SAndrew Thompsondevice ehci # EHCI PCI->USB interface (USB 2.0) 343144b7166SHans Petter Selaskydevice xhci # XHCI PCI->USB interface (USB 3.0) 344c89d41e5SAndrew Thompsondevice usb # USB Bus (required) 345c89d41e5SAndrew Thompsondevice ukbd # Keyboard 346c89d41e5SAndrew Thompsondevice umass # Disks/Mass storage - Requires scbus and da 347ba1cabf4SPeter Wemm 348701b698bSJoel Dahl# Sound support 349701b698bSJoel Dahldevice sound # Generic sound driver (required) 350f38f12f2SJoel Dahldevice snd_cmi # CMedia CMI8338/CMI8738 351f38f12f2SJoel Dahldevice snd_csa # Crystal Semiconductor CS461x/428x 352f38f12f2SJoel Dahldevice snd_emu10kx # Creative SoundBlaster Live! and Audigy 353701b698bSJoel Dahldevice snd_es137x # Ensoniq AudioPCI ES137x 354701b698bSJoel Dahldevice snd_hda # Intel High Definition Audio 355701b698bSJoel Dahldevice snd_ich # Intel, NVidia and other ICH AC'97 Audio 356701b698bSJoel Dahldevice snd_via8233 # VIA VT8233x Audio 357966d0ed1SKevin Lo 358966d0ed1SKevin Lo# MMC/SD 359966d0ed1SKevin Lodevice mmc # MMC/SD bus 360966d0ed1SKevin Lodevice mmcsd # MMC/SD memory card 361966d0ed1SKevin Lodevice sdhci # Generic PCI SD Host Controller 362ae366ffcSBryan Venteicher 363ae366ffcSBryan Venteicher# VirtIO support 364ae366ffcSBryan Venteicherdevice virtio # Generic VirtIO bus (required) 365ae366ffcSBryan Venteicherdevice virtio_pci # VirtIO PCI device 366ae366ffcSBryan Venteicherdevice vtnet # VirtIO Ethernet device 367ae366ffcSBryan Venteicherdevice virtio_blk # VirtIO Block device 368ae366ffcSBryan Venteicherdevice virtio_scsi # VirtIO SCSI device 369ae366ffcSBryan Venteicherdevice virtio_balloon # VirtIO Memory Balloon device 37015b996d7SPeter Grehan 3716c69c6bbSAdam Fenn# Linux KVM paravirtualization support 3726c69c6bbSAdam Fenndevice kvm_clock # KVM paravirtual clock driver 3736c69c6bbSAdam Fenn 374edafb5a3SPedro F. Giffuni# HyperV drivers and enhancement support 37591aff610SGlen Barberdevice hyperv # HyperV drivers 37691aff610SGlen Barber 3776b48eebeSGlen Barber# Xen HVM Guest Optimizations 37882bf6a25SRoger Pau Monné# NOTE: XENHVM depends on xenpci and xentimer. 37982bf6a25SRoger Pau Monné# They must be added or removed together. 3806b48eebeSGlen Barberoptions XENHVM # Xen HVM kernel infrastructure 381b2c50bb9SElliott Mitchelldevice xenefi # Xen EFI timer device 3826b48eebeSGlen Barberdevice xenpci # Xen HVM Hypervisor services driver 383ae598127SJulien Gralldevice xentimer # Xen x86 PV timer device 384566a5f50SJustin T. Gibbs 385169760a4SGeorge V. Neville-Neil# Netmap provides direct access to TX/RX rings on supported NICs 3862ec930efSPatrick Kelseydevice netmap # netmap(4) support 387af14df77SNiclas Zeising 388af14df77SNiclas Zeising# evdev interface 389af14df77SNiclas Zeisingoptions EVDEV_SUPPORT # evdev support in legacy drivers 390af14df77SNiclas Zeisingdevice evdev # input event device support 391af14df77SNiclas Zeisingdevice uinput # install /dev/uinput cdev 39267de2db2SVladimir Kondratyev 39367de2db2SVladimir Kondratyev# HID support 39419758786SVladimir Kondratyevoptions HID_DEBUG # enable debug msgs 39567de2db2SVladimir Kondratyevdevice hid # Generic HID support 396b1f1b07fSVladimir Kondratyevoptions IICHID_SAMPLING # Workaround missing GPIO INTR support 397bfd2ce2aSStephen J. Kiernan 398bfd2ce2aSStephen J. Kiernan# EFI devices 399bfd2ce2aSStephen J. Kiernandevice efidev # EFI pseudo-device 400bfd2ce2aSStephen J. Kiernandevice efirtc # EFI RTC 401