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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).
211 lines
7.3 KiB
Plaintext
211 lines
7.3 KiB
Plaintext
#
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# GENERIC -- Generic kernel configuration file for FreeBSD/sparc64
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#
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# For more information on this file, please read the handbook section on
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# Kernel Configuration Files:
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#
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# http://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html
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#
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# The handbook is also available locally in /usr/share/doc/handbook
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# if you've installed the doc distribution, otherwise always see the
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# FreeBSD World Wide Web server (http://www.FreeBSD.org/) for the
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# latest information.
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#
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# An exhaustive list of options and more detailed explanations of the
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# device lines is also present in the ../../conf/NOTES and NOTES files.
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# If you are in doubt as to the purpose or necessity of a line, check first
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# in NOTES.
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#
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# For hardware specific information check HARDWARE.TXT
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#
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# $FreeBSD$
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machine sparc64
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cpu SUN4U
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ident GENERIC
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#To statically compile in device wiring instead of /boot/device.hints
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#hints "GENERIC.hints" #Default places to look for devices.
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makeoptions DEBUG=-g #Build kernel with gdb(1) debug symbols
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# Platforms supported
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# At this time all platforms are supported, as-is.
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options SCHED_4BSD #4BSD scheduler
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options INET #InterNETworking
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options INET6 #IPv6 communications protocols
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options FFS #Berkeley Fast Filesystem
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options SOFTUPDATES #Enable FFS soft updates support
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options UFS_ACL #Support for access control lists
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options UFS_DIRHASH #Improve performance on big directories
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options MD_ROOT #MD is a potential root device
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options NFSCLIENT #Network Filesystem Client
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options NFSSERVER #Network Filesystem Server
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options NFS_ROOT #NFS usable as root device
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#options MSDOSFS #MSDOS Filesystem
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options CD9660 #ISO 9660 Filesystem
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options PROCFS #Process filesystem (requires PSEUDOFS)
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options PSEUDOFS #Pseudo-filesystem framework
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options COMPAT_43 #Compatible with BSD 4.3 [KEEP THIS!]
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options COMPAT_FREEBSD4 #Keep this for a while
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options SCSI_DELAY=15000 #Delay (in ms) before probing SCSI
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options KTRACE #ktrace(1) syscall trace support
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options SYSVSHM #SYSV-style shared memory
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options SYSVMSG #SYSV-style message queues
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options SYSVSEM #SYSV-style semaphores
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#options _KPOSIX_PRIORITY_SCHEDULING #Posix P1003_1B real-time extensions
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# Debugging for use in -current
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options DDB #Enable the kernel debugger
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options INVARIANTS #Enable calls of extra sanity checking
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options INVARIANT_SUPPORT #Extra sanity checks of internal structures, required by INVARIANTS
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options WITNESS #Enable checks to detect deadlocks and cycles
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options WITNESS_SKIPSPIN #Don't run witness on spinlocks for speed
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# To make an SMP kernel, the next line is needed
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options SMP # Symmetric MultiProcessor Kernel
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# Standard busses
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device apb # Sun APB PCI-PCI bridge
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device ebus
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device isa
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device pci
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device sbus
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device central
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device fhc
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# New OpenFirmware PCI framework. This fixes a number of interrupt-
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# routing problems and changes the device enumeration to be hopefully
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# closer to Solaris. Be aware that, because of the latter, enabling or
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# disabling this option may require reconfiguration, and can even
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# cause the machine to not boot without manual intervention before the
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# fstab is adjusted.
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options OFW_NEWPCI
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# Floppy drives
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#device fdc
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# ATA and ATAPI devices
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device ata
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device atadisk # ATA disk drives
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device atapicd # ATAPI CDROM drives
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#device atapifd # ATAPI floppy drives
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#device atapist # ATAPI tape drives
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# Do NOT enable ATA_STATIC_ID -- cmd646 controller will be !ata2!,
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# and you will not mount an ATA /.
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#options ATA_STATIC_ID #Static device numbering
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# SCSI Controllers
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device ahc # AHA2940 and onboard AIC7xxx devices
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device isp # Qlogic family
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#device mpt # LSI-Logic MPT-Fusion (not yet)
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device ispfw # Firmware module for Qlogic host adapters
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#device ncr # NCR/Symbios Logic
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device sym # NCR/Symbios Logic (newer chipsets + those of `ncr')
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# SCSI peripherals
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device scbus # SCSI bus (required for SCSI)
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device ch # SCSI media changers
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device da # Direct Access (disks)
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device sa # Sequential Access (tape etc)
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device cd # CD
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device pass # Passthrough device (direct SCSI access)
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device ses # SCSI Environmental Services (and SAF-TE)
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# RAID controllers
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#device amr # AMI MegaRAID
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#device mlx # Mylex DAC960 family
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# atkbdc0 controls both the keyboard and the PS/2 mouse
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#device atkbdc # AT keyboard controller
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#device atkbd # AT keyboard
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#device psm # PS/2 mouse
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#device vga # VGA video card driver
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#device splash # Splash screen and screen saver support
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# syscons is the default console driver, resembling an SCO console
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#device sc
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device ofw_console # OpenBoot firmware console device
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# Builtin hardware
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device genclock # Generic clock interface
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device eeprom # eeprom (really an ebus driver for the MK48Txx)
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device "mk48txx" # Mostek MK48T02, MK48T08, MK48T59 clock
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# Serial (COM) ports
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#device sio # 8250, 16[45]50 based serial ports
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device sab # Siemens SAB82532 based serial ports
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device zs # Zilog 8530 based serial ports
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# Parallel port
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#device ppc
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#device ppbus # Parallel port bus (required)
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#device lpt # Printer
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#device plip # TCP/IP over parallel
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#device ppi # Parallel port interface device
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#device vpo # Requires scbus and da
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# PCI Ethernet NICs.
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#device de # DEC/Intel DC21x4x (``Tulip'')
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#device lnc # NE2100, NE32-VL Lance Ethernet cards
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#device txp # 3Com 3cR990 (``Typhoon'')
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#device vx # 3Com 3c590, 3c595 (``Vortex'')
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# PCI Ethernet NICs that use the common MII bus controller code.
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device miibus # MII bus support
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device dc # DEC/Intel 21143 and workalikes
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device fxp # Intel EtherExpress PRO/100B (82557, 82558)
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device gem # Sun GEM/Sun ERI/Apple GMAC
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device hme # Sun HME (Happy Meal Ethernet)
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#device pcn # AMD Am79C97x PCI 10/100 NICs
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device re # RealTek 8139C+/8169/8169S/8110S
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device rl # RealTek 8129/8139
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#device sf # Adaptec AIC-6915 (``Starfire'')
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#device sis # Silicon Integrated Systems SiS 900/SiS 7016
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#device ste # Sundance ST201 (D-Link DFE-550TX)
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#device tl # Texas Instruments ThunderLAN
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#device vr # VIA Rhine, Rhine II
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#device wb # Winbond W89C840F
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device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'')
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# Pseudo devices - the number indicates how many units to allocated.
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device random # Entropy device
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device loop # Network loopback
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device ether # Ethernet support
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device sl # Kernel SLIP
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device ppp # Kernel PPP
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device tun # Packet tunnel.
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device pty # Pseudo-ttys (telnet etc)
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device md # Memory "disks"
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device gif # IPv6 and IPv4 tunneling
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device faith # IPv6-to-IPv4 relaying/(translation)
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# The `bpf' device enables the Berkeley Packet Filter.
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# Be aware of the administrative consequences of enabling this!
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device bpf #Berkeley packet filter
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# USB support
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#device uhci # UHCI PCI->USB interface
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#device ohci # OHCI PCI->USB interface
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#device usb # USB Bus (required)
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#device ugen # Generic
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#device uhid # "Human Interface Devices"
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#device ukbd # Keyboard
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#device ulpt # Printer
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#device umass # Disks/Mass storage - Requires scbus and da0
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#device ums # Mouse
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# USB Ethernet
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#device aue # ADMtek USB ethernet
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#device axe # ASIX Electronics USB ethernet
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#device cue # CATC USB ethernet
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#device kue # Kawasaki LSI USB ethernet
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# FireWire support
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device firewire # FireWire bus code
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device sbp # SCSI over FireWire (Requires scbus and da)
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device fwe # Ethernet over FireWire (non-standard!)
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