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    The following form allows you to view linux man pages.

    Command:

    stge

    
         kernel configuration file:
    
               device miibus
               device stge
    
         Alternatively, to load the driver as a module at boot time, place the
         following line in loader.conf(5):
    
               if_stge_load="YES"
    
    
    

    DESCRIPTION

         The stge device driver provides support for various NICs based on the
         Sundance/Tamarack TC9021 Gigabit Ethernet controller chip.
    
         The Sundance/Tamarack TC9021 is found on the D-Link DGE-550T and the
         Antares Microsystems Gigabit Ethernet board.  It uses an external PHY or
         an external 10-bit interface.
    
         All NICs supported by the stge driver have TCP/UDP/IP checksum offload
         for both receive and transmit, hardware VLAN tag stripping/insertion fea-
         tures, and receive interrupt moderation mechanism as well as a 64-bit
         multicast hash filter.  The Sundance/Tamarack TC9021 supports TBI (ten
         bit interface) and GMII transceivers, which means it can be used with
         either copper or 1000baseX fiber applications.
    
         The Sundance/Tamarack TC9021 also supports jumbo frames, which can be
         configured via the interface MTU setting.  Selecting an MTU larger than
         1500 bytes with the ifconfig(8) utility configures the adapter to receive
         and transmit jumbo frames.
    
         The stge 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 rc.conf(5).
    
         10baseT/UTP  Set 10Mbps operation.  The ifconfig(8) mediaopt option can
                      also be used to select either full-duplex or half-duplex
                      modes.
    
         100baseTX    Set 100Mbps (Fast Ethernet) operation.  The ifconfig(8)
                      mediaopt option can also be used to select either
                      full-duplex or half-duplex modes.
    
         1000baseTX   Set 1000baseTX operation over twisted pair.  The Sun-
                      dance/Tamarack supports 1000Mbps in autoselect mode only.
    
         The stge driver supports the following media options:
    
         full-duplex  Force full duplex operation.
    
         half-duplex  Force half duplex operation.
         ?   Tamarack TC9021 Gigabit Ethernet
    
    
    

    SYSCTL VARIABLES

         The following variables are available as both sysctl(8) variables and
         loader(8) tunables:
    
         dev.stge.%d.rxint_nframe
                 Number of frames between RxDMAComplete interrupts.  The accepted
                 range is 1 to 255, default value is 8 frames.  The interface has
                 to be brought down and up again before a change takes effect.
    
         dev.stge.%d.rxint_dmawait
                 Maximum amount of time to wait in 1us increments before issuing
                 an Rx interrupt if the number of frames received is less than
                 rxint_nframe.  The accepted range is 0 to 4194, default value is
                 30 microseconds.  The interface has to be brought down and up
                 again before a change takes effect.
    
    
    

    SEE ALSO

         altq(4), arp(4), miibus(4), netintro(4), ng_ether(4), polling(4),
         vlan(4), ifconfig(8)
    
    
    

    HISTORY

         The stge driver was ported from NetBSD and first appeared in FreeBSD 6.2.
         The NetBSD version was written by Jason R. Thorpe <thorpej@NetBSD.org>.
    
    
    

    AUTHORS

         The stge driver was ported by Pyun YongHyeon <yongari@FreeBSD.org>.
    
    
    

    BSD November 23, 2010 BSD

    
    
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