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    The following form allows you to view linux man pages.

    Command:

    ae

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

    DESCRIPTION

         The ae device driver provides support for Attansic/Atheros L2 PCIe
         FastEthernet controllers.
    
         The controller supports hardware Ethernet checksum processing, hardware
         VLAN tag stripping/insertion and an interrupt moderation mechanism.
         Attansic L2 also features a 64-bit multicast hash filter.
    
         The ae 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  Select 10Mbps operation.
    
         100baseTX    Set 100Mbps (FastEthernet) operation.
    
         The ae driver provides support for 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

         The ae driver supports Attansic/Atheros L2 PCIe FastEthernet controllers,
         and is known to support the following hardware:
    
         ?   ASUS EeePC 701
         ?   ASUS EeePC 900
    
         Other hardware may or may not work with this driver.
    
    
    

    LOADER TUNABLES

         Tunables can be set at the loader(8) prompt before booting the kernel or
         stored in loader.conf(5).
    
         hw.ae.msi_disable
                 This tunable disables MSI support on the Ethernet hardware.  The
                 default value is 0.
    
         address with ASUS OUI identifier will be used instead.
    
    
    

    SEE ALSO

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

    BUGS

         The Attansic L2 FastEthernet contoller supports DMA but does not use a
         descriptor based transfer mechanism via scatter-gather DMA.  Thus the
         data should be copied to/from the controller memory on each trans-
         mit/receive.  Furthermore, a lot of data alignment restrictions apply.
         This may introduce a high CPU load on systems with heavy network activ-
         ity.  Luckily enough this should not be a problem on modern hardware as
         L2 does not support speeds faster than 100Mbps.
    
    
    

    HISTORY

         The ae driver and this manual page was written by Stanislav Sedov
         <stas@FreeBSD.org>.  It first appeared in FreeBSD 7.1.
    
    
    

    BSD October 4, 2008 BSD

    
    
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