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ale (4)
  • >> ale (4) ( FreeBSD man: Специальные файлы /dev/* )

  • BSD mandoc
     

    NAME

    
    
    ale
    
     - Atheros AR8121/AR8113/AR8114 Gigabit/Fast Ethernet driver
    
     
    

    SYNOPSIS

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

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

    if_ale_load="YES"
    
     

    DESCRIPTION

    The device driver provides support for Atheros AR8121 PCI Express Gigabit Ethernet controller and Atheros AR8113/AR8114 PCI Express Fast Ethernet controllers.

    All LOMs supported by the driver have TCP/UDP/IP checksum offload for both receive and transmit, TCP segmentation offload (TSO), hardware VLAN tag stripping/insertion features, Wake On Lan (WOL) and an interrupt coalescing/moderation mechanism as well as a 64-bit multicast hash filter.

    The AR8121 also supports Jumbo Frames (up to 8132 bytes), 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 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.conf5.
    10baseT/UTP
    Set 10Mbps operation.
    100baseTX
    Set 100Mbps (Fast Ethernet) operation.
    1000baseTX
    Set 1000baseTX operation over twisted pair.

    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

    The device driver provides support for the following Ethernet controllers:

     

    LOADER TUNABLES

    Tunables can be set at the loader(8) prompt before booting the kernel or stored in loader.conf5.

    hw.ale.msi_disable
    This tunable disables MSI support on the Ethernet hardware. The default value is 0.
    hw.ale.msix_disable
    This tunable disables MSI-X support on the Ethernet hardware. The default value is 0.

     

    SYSCTL VARIABLES

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

    dev.ale.%d.int_rx_mod
    Maximum amount of time to delay receive interrupt processing in units of 1us. The accepted range is 0 to 130000, the default is 30(30us). Value 0 completely disables the interrupt moderation.
    dev.ale.%d.int_tx_mod
    Maximum amount of time to delay transmit interrupt processing in units of 1us. The accepted range is 0 to 130000, the default is 1000(1ms). Value 0 completely disables the interrupt moderation.
    dev.ale.%d.process_limit
    Maximum amount of Rx frames to be processed in the event loop before rescheduling a taskqueue. The accepted range is 32 to 255, the default value is 128 events. The interface does not need to be brought down and up again before a change takes effect.

     

    SEE ALSO

    altq(4), arp(4), miibus(4), netintro(4), ng_ether4, vlan(4), ifconfig(8)  

    HISTORY

    The driver was written by An Pyun YongHyeon Aq yongari@FreeBSD.org . It first appeared in Fx 7.1 .


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    HARDWARE
    LOADER TUNABLES
    SYSCTL VARIABLES
    SEE ALSO
    HISTORY


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