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sf (4)
  • >> sf (4) ( FreeBSD man: Специальные файлы /dev/* )
  • sf (7) ( Solaris man: Макропакеты и соглашения )

  • BSD mandoc
     

    NAME

    
    
    sf
    
     - Adaptec AIC-6915
    
    Qq Starfire
    
    PCI Fast Ethernet adapter driver
     
    

    SYNOPSIS

    To compile this driver into the kernel, place the following lines in your kernel configuration file:
    device miibus device sf

    Alternatively, to load the driver as a module at boot time, place the following line in loader.conf5:

    if_sf_load="YES"
    
     

    DESCRIPTION

    The driver provides support for Adaptec Duralink Fast Ethernet adapters based on the Adaptec AIC-6915 "Starfire" chipset.

    The AIC-6915 is a bus master controller with an MII interface. It supports high and low priority transmit and receive queues, TCP/IP checksum offload, multiple DMA descriptor formats and both polling and producer/consumer DMA models. The AIC-6915 receive filtering options include a 16 entry perfect filter, a 512-bit hash table for multicast addresses, a 512-bit hash table for priority address matching and VLAN filtering. An external MII-compliant transceiver is required for media interfacing.

    Multiport adapters consist of several AIC-6915 controllers connected via a PCI to PCI bridge. Each controller is treated as a separate interface by the driver.

    The driver supports the following media types:

    autoselect
    Enable autoselection of the media type and options. The user can manually override the autoselected mode by adding media options to the /etc/rc.conf file.
    10baseT/UTP
    Set 10Mbps operation. The mediaopt option can also be used to select either full-duplex or half-duplex modes.
    100baseTX
    Set 100Mbps (Fast Ethernet) operation. The mediaopt option can also be used to select either full-duplex or half-duplex modes.

    The driver supports the following media options:

    full-duplex
    Force full duplex operation
    half-duplex
    Force half duplex operation.

    For more information on configuring this device, see ifconfig(8).  

    HARDWARE

    Adapters supported by the driver include:

     

    SYSCTL VARIABLES

    The following variables are available as both sysctl(8) variables and loader(8) tunables:

    dev.sf.%d.int_mod
    Maximum amount of time to delay interrupt processing in units of 102.4us. The accepted range is 0 to 31, the default value is 1 (102.4us). Value 0 completely disables the interrupt moderation. The interface does not need to be brought down and up again before a change takes effect.
    dev.sf.%d.stats
    Display lots of useful MAC counters maintained in the driver.

     

    DIAGNOSTICS

    "sf%d: couldn't map memory"
    A fatal initialization error has occurred. This may happen if the PCI BIOS not configured the device, which may be because the BIOS has been configured for a "Plug and Play" operating system. The "Plug and Play OS" setting in the BIOS should be set to "no" or "off" in order for PCI devices to work properly with Fx .
    "sf%d: couldn't map ports"
    A fatal initialization error has occurred. This may happen if the PCI BIOS not configured the device, which may be because the BIOS has been configured for a "Plug and Play" operating system. The "Plug and Play OS" setting in the BIOS should be set to "no" or "off" in order for PCI devices to work properly with Fx .
    "sf%d: couldn't map interrupt"
    A fatal initialization error has occurred.
    "sf%d: no memory for softc struct!"
    The driver failed to allocate memory for per-device instance information during initialization.
    "sf%d: failed to enable I/O ports/memory mapping!"
    The driver failed to initialize PCI I/O port or shared memory access. This might happen if the card is not in a bus-master slot.
    "sf%d: watchdog timeout"
    The device has stopped responding to the network, or there is a problem with the network connection (cable).

     

    SEE ALSO

    altq(4), arp(4), miibus(4), netintro(4), ng_ether4, polling(4), vlan(4), ifconfig(8)
    The Adaptec AIC-6915 Programmer's Manual http://download.adaptec.com/pdfs/user_guides/aic6915_pg.pdf
     

    HISTORY

    The device driver first appeared in Fx 3.0 .  

    AUTHORS

    The driver was written by An Bill Paul Aq wpaul@ctr.columbia.edu .


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    HARDWARE
    SYSCTL VARIABLES
    DIAGNOSTICS
    SEE ALSO
    HISTORY
    AUTHORS


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