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

  • BSD mandoc
     

    NAME

    
    
    ray
    
     - Raytheon Raylink/Webgear Aviator PCCard driver
    
     
    

    SYNOPSIS

    To compile this driver into the kernel, place the following line in your kernel configuration file:
    device ray

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

    if_ray_load="YES"
    
     

    DESCRIPTION

    The driver provides support for Raytheon Raylink adapters (commonly available as Webgear Aviator Webgear Aviator Pro and Raylink PC Card devices.) The core of the Raylink cards is a frequency hopping PHY with an IEEE 802.11 style MAC that interacts with the host using shared memory and mailboxes.

    The driver currently supports ad-hoc operation mode and the Aviator cards. Infrastructure mode, interworking with Windows 2000 / Linux / Nx , Raylink PC Cards and Aviator Pros is rudimentary and in active development. The driver currently encapsulates all IP and ARP traffic as Ethernet 2 frames within an IEEE 802.11 frame. Other translations will be forthcoming as needed. Transmit speed is selectable between 0.5Mbps, 1Mbp , 1.5Mbps or 2Mbps all with auto fallback.

    By default, the driver configures the card for ad-hoc operation. In this mode, stations can communicate amongst each other without the aid of an access point. To join a managed service set, the driver must be set for infrastructure mode using the raycontrol(8) utility.

    There are two known firmware versions; version 4 and version 5. Version 4 firmware was shipped on the orignal Webgear Aviators Version 5 firmware is used as part of the Windows 2000 upgrade from Webgear and on the Aviator Pro and Raylink PC Cards cards. Version 4 is not likely to be 100% IEEE 802.11 compliant - version 5 should be.

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

    DIAGNOSTICS

    The following messages occur when there are problems setting up the memory mapped buffers due to nits in pccardd(8).

    "ray?: pccardd did not map CM - giving up"
    See the Sx BUGS section and contact the author for help enclosing a copy of the output from dmesg(8). This message only occurs on 3.x systems.
    "ray?: fixing up CM ..."
    "ray?: fixing up AM ..."
    The driver is fixing up PCCard memory management after mis-configuration by pccardd(8), benign.

    On 4.x and -current systems the following messages can occur when the memory mapped buffers are set up.

    "ray?: allocated common memory:"
    ". start 0xd0000 count 0xc0000 flags 0x40"
    Benign.
    "ray?: allocated attribute memory:"
    ". start 0xdc000 count 0x1000 flags 0x50"
    Benign.
    "ray?: allocated irq:"
    ". start 0x9 count 0x1"
    Benign.
    "ray?: Cannot allocate attribute memory"
    "ray?: Cannot allocate common memory"
    "ray?: Cannot allocate irq"
    "ray?: Failed to setup irq"
    "ray?: CARD_SET_MEMORY_OFFSET returned 0x??"
    "ray?: CARD_SET_RES_FLAGS returned 0x??"
    See the Sx BUGS section and contact the author for help enclosing a copy of the output from dmesg(8) in your email.

    If the kernel is booted with the verbose flag turned on then the extra information is printed when the driver is probed. These messages are also seen when the RAY_DBG_BOOTPARAM bit in the RAY_DEBUG option is turned on, as is the case for all existing versions of the driver.

    "ray?: memory start 0x???? count 0x???? flags 0x???? offset 0x????"
    Description of memory map settings on entry to the driver.
    "ray?: irq start 0x???? count 0x????"
    Description of irq settings on entry to the driver (only on 4.1 and above).

    On start-up the driver will report hardware failures thus:

    "ray?: card failed self test: status 0x??<???>"
    The card failed to come ready after it was plugged in to the PCCard slot. The most common cause of this message is incorrect PCCard memory management (indicated by a status of 0xff or 0x55). Bent cards might say that the receiver calibration failed. If you are brave enough removing the base of the case can resurrect cards (no warranties etc.).
    "ray?: unsupported firmware version 0x??"
    Self explanatory. Contact the author for help enclosing a copy of the output from dmesg(8).

    The following messages are enabled using the debug option of ifconfig(8).

    "ray?: cannot transmit - not running"
    A packet was ready for transmission but the NIC is not connected to a BSS. May occur when removing the PCCard.
    "ray?: cannot transmit - no network"
    The wireless NIC has roamed from an access point and not connected with a new one yet.
    "ray?: cannot transmit - ECF busy"
    The controller firmware was busy when a packet was about to be sent out. It will be retried automatically.
    "ray?: mbuf too long ??"
    Should never happen, and if it does represents something wrong in the generic Ethernet driver in the kernel.
    "ray?: could not pullup ether"
    Problem with re-aligning mbufs. Very unlikely to happen.
    "ray?: unknown framing type ??"
    An impossible error - mail the author.
    "ray?: could not translate packet"
    An error occurred when trying to re-frame a packet for transmission.
    "ray?: ECF busy, dropping packet"
    The NIC was busy just before a packet was to be transmitted.
    "ray?: tx completed but status is fail"
    Typically associated with transmissions to out of range NICs.
    "ray?: packet too big or too small"
    A received packet was impossibly small or too large to fit into an mbuf.
    "ray?: MGETHDR failed"
    The driver could not get a mbuf to store a received packet into. Try increasing MAXUSERS in your kernel configuration.
    "ray?: MCLGET failed"
    The driver could not get a mbuf to store a received packet into. Try increasing MAXUSERS in your kernel configuration.
    "ray?: bad length current 0x?? pktlen 0x??"
    The lengths of a fragmented packet were inconsistent.
    "ray?: bad rcs index 0x??"
    The index of the buffer used for part of a fragmented packet is outside of the usable range.
    "ray?: header not version 0 fc0 0x??"
    The received IEEE 802.11 packet had an unknown header type. Represents link corruption or non standard nodes in the network.
    "ray?: unknown packet fc0 0x??"
    The received IEEE 802.11 packet type is unknown. Represents link corruption or non standard nodes in the network.
    "ray?: reserved DATA packet subtype 0x??"
    The received IEEE 802.11 data packet has a reserved (i.e., not allowed) subtype. Represents link corruption or non standard nodes in the network.
    "ray?: MGT TODS/FROMDS wrong fc1 0x??"
    The received IEEE 802.11 management packet had a malformed header. Represents link corruption or non standard nodes in the network.
    "ray?: unexpected MGT packet subtype 0x??"
    The received IEEE 802.11 management packet was of a subtype that the NIC should have processed. Benign, but might represent buggy firmware.
    "ray?: reserved MGT packet subtype 0x??"
    The received IEEE 802.11 management packet has a reserved (i.e., not allowed) subtype. Represents link corruption or non standard nodes in the network.
    "ray?: open system authentication request"
    Self explanatory and for testing Aviator Pro interworking.
    "ray?: authentication failed with status ??"
    Self explanatory and currently represents a bug as the driver never requests authentication.
    "ray?: shared key authentication request"
    Self explanatory and for testing Aviator Pro interworking.
    "ray?: reserved authentication subtype 0x??"
    An authentication request has been received for a reserved (i.e., not allowed) subtype. Represents link corruption or non standard nodes in the network.
    "ray?: CTL TODS/FROMDS wrong fc1 0x??"
    The received IEEE 802.11 management packet had a malformed header. Represents link corruption or non standard nodes in the network.
    "ray?: unexpected CTL packet subtype 0x??"
    The received IEEE 802.11 control packet was of a subtype that the NIC should have processed. Benign, but might represent buggy firmware.
    "ray?: reserved CTL packet subtype 0x??"
    The received IEEE 802.11 control packet has a reserved (i.e., not allowed) subtype. Represents link corruption or non standard nodes in the network.
    "ray?: bad ccs index 0x??"
    The NIC has generated an interrupt with an incorrect control block.
    "ray?: unexpected UPDATE_APM"
    "ray?: unexpected TEST_MEM"
    "ray?: unexpected SHUTDOWN"
    "ray?: unexpected DUMP_MEM"
    "ray?: unexpected START_TIMER"
    The NIC has generated an interrupt signalling that the indicated command has completed. At present these commands are never issued by the driver, so they represent firmware/hardware/driver bugs.
    "ray?: unknown command 0x??"
    The NIC has generated an interrupt for an unknown command completion. Represents firmware/hardware/driver bugs.
    "ray?: unexpected JAPAN_CALL_SIGNAL"
    The NIC has generated an interrupt with a control block requesting processing of a packet that is only ever used in Japanese RCR certification tests. Represents firmware/hardware/driver bugs unless you are trying to certify the NICs in Japan (in which case you would have to of modified the driver and this manual is out of date).
    "ray?: spinning"
    The controller firmware was busy when a command was about to be issued. If the driver spins for too long then it will panic. See the Sx BUGS section for details.
    "ray?: freeing free ccs 0x??"
    Benign warning that may occur when the NIC is ejected.

     

    SEE ALSO

    arp(4), netintro(4), ifconfig(8), pccardd(8), raycontrol(8)  

    HISTORY

    The device driver first appeared in Fx 3.3 .  

    AUTHORS

    An -nosplit Early versions of this driver were a port of the Nx driver by An Christian E. Hopps . The driver was re-structured by An Duncan Barclay Aq [email protected] , so that dhclient(8) would work.  

    BUGS

    Infra-structure mode is not supported yet. The driver is likely to panic if it is set into this mode. Testers are encouraged to contact the author.

    Currently Fx has a small problem managing and setting up the correct memory maps. However, this driver should reset the memory maps correctly - it works around pccardd(8) (where it reads the CIS for common memory, sets it all up and then throws it all away assuming the card is an ed(4) driver...). Note that this could be dangerous (because it does not interact with pccardd(8)) if you use other memory mapped cards at the same time or have SCSI cards with on-board BIOS.

    More encapsulations and translations could be supported, but they have little value unless someone can demonstrate that the cards will communicate with other manufacturers cards. Version 4 and firmware is not IEEE 802.11 compliant, but version 5 is.

    To communicate with Windows machines ensure that the Windows machine creates the BSS/IBSS.

    The driver currently panics on some errors that it should recover from. These will be removed RSN.


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    DIAGNOSTICS
    SEE ALSO
    HISTORY
    AUTHORS
    BUGS


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