freebsd-dev/sys/ia64/conf/GENERIC

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#
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# GENERIC -- Generic kernel configuration file for FreeBSD/ia64
#
# For more information on this file, please read the handbook section on
# Kernel Configuration Files:
#
# http://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html
#
# The handbook is also available locally in /usr/share/doc/handbook
# if you've installed the doc distribution, otherwise always see the
# FreeBSD World Wide Web server (http://www.FreeBSD.org/) for the
# latest information.
#
# An exhaustive list of options and more detailed explanations of the
# device lines is also present in the ../../conf/NOTES and NOTES files.
# If you are in doubt as to the purpose or necessity of a line, check
# first in NOTES.
#
# For hardware specific information check HARDWARE.TXT
#
# $FreeBSD$
machine ia64
cpu ITANIUM
ident GENERIC
makeoptions DEBUG=-g # Build kernel with debug information.
options CD9660 # ISO 9660 Filesystem
options COMPAT_43 # Compatible with BSD 4.3 [KEEP THIS!]
options DDB # Enable the kernel debugger
options FFS # Berkeley Fast Filesystem
options INET # InterNETworking
options INET6 # IPv6 communications protocols
options KTRACE # ktrace(1) syscall trace support
options MD_ROOT # MD usable as root device
options MSDOSFS # MSDOS Filesystem
options NFSCLIENT # Network Filesystem Client
options NFSSERVER # Network Filesystem Server
options NFS_ROOT # NFS usable as root device
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options PFIL_HOOKS # pfil(9) framework
options PROCFS # Process filesystem (/proc)
options PSEUDOFS # Pseudo-filesystem framework
options SCHED_ULE # ULE scheduler
options SCSI_DELAY=5000 # Delay (in ms) before probing SCSI
#options SMP # SMP support
options SOFTUPDATES # Enable FFS soft updates support
options SYSVMSG # SYSV-style message queues
options SYSVSEM # SYSV-style semaphores
options SYSVSHM # SYSV-style shared memory
options UFS_ACL # Support for access control lists
options UFS_DIRHASH # Hash-based directory lookup scheme
options _KPOSIX_PRIORITY_SCHEDULING # Posix P1003_1B RT extensions
# Various "busses"
device acpi # ACPI support (mandatory)
device firewire # FireWire bus code
device miibus # MII bus support (ethernet)
device pci # PCI bus support
device scbus # SCSI bus (required for SCSI)
device usb # USB Bus (required for USB)
# ATA and ATAPI devices
device ata # ATA controller
device atadisk # ATA disk drives
device atapicd # ATAPI CDROM drives
device atapifd # ATAPI floppy drives
device ataraid # ATA RAID drives
# SCSI Controllers
device ahc # AHA2940 and AIC7xxx devices
device ahd # AHA39320/29320 and AIC79xx devices
device isp # Qlogic family
device mpt # LSI-Logic MPT-Fusion
device sym # NCR/Symbios Logic
# RAID controllers interfaced to the SCSI subsystem
device asr # DPT SmartRAID V, VI and Adaptec RAID
device ciss # Compaq Smart RAID 5*
device dpt # DPT Smartcache III, IV
device iir # Intel Integrated RAID
device mly # Mylex AcceleRAID/eXtremeRAID
# SCSI peripherals
device cd # CD-ROM, DVD-ROM etc.
device ch # Media changer
device da # Direct Access (ie disk)
device pass # Passthrough (direct SCSI access)
device sa # Sequential Access (ie tape)
device ses # Environmental Services (and SAF-TE)
# RAID controllers
device amr # AMI MegaRAID
device ida # Compaq Smart RAID
device mlx # Mylex DAC960 family
# USB host controllers and peripherals
device ehci # EHCI host controller
device ohci # OHCI PCI->USB interface
device ugen # Generic device
device uhci # UHCI PCI->USB interface
device uhid # Human Interface Devices
device ukbd # Keyboard
device ulpt # Printer
device umass # Disks/Mass storage (need scbus & da)
device ums # Mouse
# PCI Ethernet NICs.
device de # DEC/Intel DC21x4x (``Tulip'')
device em # Intel PRO/1000 adapter Gigabit Ethernet Card
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device txp # 3Com 3cR990 (``Typhoon'')
device vx # 3Com 3c590, 3c595 (``Vortex'')
# PCI Ethernet NICs that use the common MII bus controller code.
device bge # Broadcom BCM570xx Gigabit Ethernet
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device dc # DEC/Intel 21143 and various workalikes
device fxp # Intel EtherExpress PRO/100B (82557, 82558)
device pcn # AMD Am79C97x PCI 10/100 NICs
Take the support for the 8139C+/8169/8169S/8110S chips out of the rl(4) driver and put it in a new re(4) driver. The re(4) driver shares the if_rlreg.h file with rl(4) but is a separate module. (Ultimately I may change this. For now, it's convenient.) rl(4) has been modified so that it will never attach to an 8139C+ chip, leaving it to re(4) instead. Only re(4) has the PCI IDs to match the 8169/8169S/8110S gigE chips. if_re.c contains the same basic code that was originally bolted onto if_rl.c, with the following updates: - Added support for jumbo frames. Currently, there seems to be a limit of approximately 6200 bytes for jumbo frames on transmit. (This was determined via experimentation.) The 8169S/8110S chips apparently are limited to 7.5K frames on transmit. This may require some more work, though the framework to handle jumbo frames on RX is in place: the re_rxeof() routine will gather up frames than span multiple 2K clusters into a single mbuf list. - Fixed bug in re_txeof(): if we reap some of the TX buffers, but there are still some pending, re-arm the timer before exiting re_txeof() so that another timeout interrupt will be generated, just in case re_start() doesn't do it for us. - Handle the 'link state changed' interrupt - Fix a detach bug. If re(4) is loaded as a module, and you do tcpdump -i re0, then you do 'kldunload if_re,' the system will panic after a few seconds. This happens because ether_ifdetach() ends up calling the BPF detach code, which notices the interface is in promiscuous mode and tries to switch promisc mode off while detaching the BPF listner. This ultimately results in a call to re_ioctl() (due to SIOCSIFFLAGS), which in turn calls re_init() to handle the IFF_PROMISC flag change. Unfortunately, calling re_init() here turns the chip back on and restarts the 1-second timeout loop that drives re_tick(). By the time the timeout fires, if_re.ko has been unloaded, which results in a call to invalid code and blows up the system. To fix this, I cleared the IFF_UP flag before calling ether_ifdetach(), which stops the ioctl routine from trying to reset the chip. - Modified comments in re_rxeof() relating to the difference in RX descriptor status bit layout between the 8139C+ and the gigE chips. The layout is different because the frame length field was expanded from 12 bits to 13, and they got rid of one of the status bits to make room. - Add diagnostic code (re_diag()) to test for the case where a user has installed a broken 32-bit 8169 PCI NIC in a 64-bit slot. Some NICs have the REQ64# and ACK64# lines connected even though the board is 32-bit only (in this case, they should be pulled high). This fools the chip into doing 64-bit DMA transfers even though there is no 64-bit data path. To detect this, re_diag() puts the chip into digital loopback mode and sets the receiver to promiscuous mode, then initiates a single 64-byte packet transmission. The frame is echoed back to the host, and if the frame contents are intact, we know DMA is working correctly, otherwise we complain loudly on the console and abort the device attach. (At the moment, I don't know of any way to work around the problem other than physically modifying the board, so until/unless I can think of a software workaround, this will have do to.) - Created re(4) man page - Modified rlphy.c to allow re(4) to attach as well as rl(4). Note that this code works for the sample 8169/Marvell 88E1000 NIC that I have, but probably won't work for the 8169S/8110S chips. RealTek has sent me some sample NICs, but they haven't arrived yet. I will probably need to add an rlgphy driver to handle the on-board PHY in the 8169S/8110S (it needs special DSP initialization).
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device re # RealTek 8139C+/8169/8169S/8110S
device rl # RealTek 8129/8139
device sf # Adaptec AIC-6915 (``Starfire'')
device sis # Silicon Integrated Systems SiS 900/SiS 7016
device xl # 3Com 3c90x ("Boomerang", "Cyclone")
# USB Ethernet
device aue # ADMtek USB ethernet
device cue # CATC USB ethernet
device kue # Kawasaki LSI USB ethernet
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# FireWire support
device sbp # SCSI over FireWire (need scbus & da)
# Various (pseudo) devices
device ether # Ethernet support
device faith # IPv6-to-IPv4 relaying (translation)
device gif # IPv6 and IPv4 tunneling
device loop # Network loopback
device md # Memory "disks"
device pty # Pseudo-ttys (telnet etc)
device puc # Multi I/O cards and multi-channel UARTs
device random # Entropy device
device tun # Packet tunnel.
device uart # Serial port (UART)
# The `bpf' device enables the Berkeley Packet Filter.
# Be aware of the administrative consequences of enabling this!
device bpf # Berkeley packet filter