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From: Adrian Chadd <adrian@FreeBSD.org>
Date: Wed, 9 Feb 2011 15:23:16 +0000 (UTC)
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Subject: cvs commit: src/sys/dev/ath if_ath.c src/sys/dev/ath/ath_hal/ar5212
 ar5212_keycache.c
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adrian      2011-02-09 15:23:16 UTC

  FreeBSD src repository

  Modified files:
    sys/dev/ath          if_ath.c 
    sys/dev/ath/ath_hal/ar5212 ar5212_keycache.c 
  Log:
  SVN rev 218483 on 2011-02-09 15:23:16Z by adrian
  
  Fix the keycache behaviour for multicast keycache search.
  
  The correct bit to set is 0x1 in the high MAC address byte, not 0x80.
  The hardware isn't programmed with that bit (which is the multicast
  adress bit.)
  
  The linux ath9k keycache code uses that bit in the MAC as a "this is
  a multicast key!" and doesn't set the AR_KEYTABLE_VALID bit.
  This tells the hardware the MAC isn't to be used for unicast destination
  matching but it can be used for multicast bssid traffic.
  
  This fixes some encryption problems in station mode.
  
  PR: kern/154598
  
  Revision  Changes    Path
  1.3       +18 -1     src/sys/dev/ath/ath_hal/ar5212/ar5212_keycache.c
  1.295     +2 -2      src/sys/dev/ath/if_ath.c