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ray_cs(January 20, 1999)						 ray_cs(January 20, 1999)

       ray_cs - Raylink wireless LAN - PCMCIA card device driver

       insmod	 ray_cs    [essid=string]    [irq_mask=n]    [net_type=[0-1]]	[ray_debug=[0-5]]
       [phy_addr=xNNNNNNNNNNNN]  [hop_dwell=n]	[beacon_period=n]  [psm=[0-1]]	[translate=[0-1]]
       [country=[1-8]] [sniffer=[0-1]] [bc=[0-1]]

       ray_cs  is  the	low level Card Services device driver for the Raylink wireless LAN PCMCIA
       adapter.  It is normally loaded automatically by card services according to the parameters
       specified in /etc/pcmcia/ray_cs.opts.

	      ESS  ID - network name to join string with maximum length of 32 chars default value
	      = "LINUX"

	      linux standard 16 bit value 1bit/IRQ lsb is IRQ 0, bit 1 is IRQ  1  etc.	 Used  to
	      restrict choice of IRQ's to use.

	      0 = adhoc network (default) 1 = infrastructure

	      (0-5) larger values for more verbose logging.

	      string  of  12  hex digits containing new MAC address.  must be started with x e.g.

	      hop dwell time in Kilo-microseconds legal values = 16,32,64,128(default),256

	      Beacon period in Kilo-microseconds.
	      Legal values = 16,32,64,128,256(default) must be integer multiple of hop dwell.

       psm=n  Power save mode
	      0 = continuously active
	      1 = power save mode (significantly slower)

       bc=n   Power save mode
	      0 = 802.11 timing
	      1 = 802.11 modified timing.  Interframe spacing is slowed  down  for  compatibility
	      with older Breezecom access points.

	      0 = no translation (encapsulate frames)
	      1 = translation (default)

	      Country code
	      1 = USA (default)
	      2 = Europe
	      3 = Japan
	      4 = Korea
	      5 = Spain
	      6 = France
	      7 = Israel
	      8 = Australia

	      0 = normal network interface - not sniffer (default)
	      1  = sniffer which can be used to record all network traffic using tcpdump or simi-
	      lar, but no normal network use is allowed.  This is because linux has no	knowledge
	      of  802.11  headers  and	cannot	parse them correctly.  Note that tcpdump does not
	      understand 802.11 headers, either so it can't interpret the contents,  but  it  can
	      record to a file.

       BUGS   ray_cs  can  lock the machine if the card is pulled out while active.  I have never
	      observed a crash if card is deactivated as follows before removal:
	      ifconfig eth0 down
	      The above command assumes that the Raylink card is configured as eth0.

	      This driver only does encapsulation of ethernet frames within 802.11 frames.   Most
	      vendors, including Raytheon, are moving to a frame translation method.  Translation
	      support has been started, but is not yet functional.

	      Support for defragmenting frames is not yet tested.

	      The ioctl support is incomplete.	The hardware address cannot be set using ifconfig
	      yet.   If  a different hardware address is needed, it may be set using the phy_addr
	      parameter in ray_cs.opts.

       Corey Thomas - corey@world.std.com

       cardmgr(8), pcmcia(5), ifconfig(8).

									 ray_cs(January 20, 1999)
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