workbench/devs/networks/atheros5000/hal/ar5416/ar5416_keycache.c

   1 /*
   2  * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting
   3  * Copyright (c) 2002-2008 Atheros Communications, Inc.
   4  *
   5  * Permission to use, copy, modify, and/or distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  16  *
  17  * $Id$
  18  */
  19 #include "opt_ah.h"
  20
  21 #ifdef AH_SUPPORT_AR5416
  22
  23 #include "ah.h"
  24 #include "ah_internal.h"
  25
  26 #include "ar5416/ar5416.h"
  27
  28 static const int keyType[] = {
  29         1,      /* HAL_CIPHER_WEP */
  30         0,      /* HAL_CIPHER_AES_OCB */
  31         2,      /* HAL_CIPHER_AES_CCM */
  32         0,      /* HAL_CIPHER_CKIP */
  33         3,      /* HAL_CIPHER_TKIP */
  34         0,      /* HAL_CIPHER_CLR */
  35 };
  36
  37 /*
  38  * Clear the specified key cache entry and any associated MIC entry.
  39  */
  40 HAL_BOOL
  41 ar5416ResetKeyCacheEntry(struct ath_hal *ah, uint16_t entry)
  42 {
  43         struct ath_hal_5416 *ahp = AH5416(ah);
  44
  45         if (ar5212ResetKeyCacheEntry(ah, entry)) {
  46                 ahp->ah_keytype[entry] = keyType[HAL_CIPHER_CLR];
  47                 return AH_TRUE;
  48         } else
  49                 return AH_FALSE;
  50 }
  51
  52 /*
  53  * Sets the contents of the specified key cache entry
  54  * and any associated MIC entry.
  55  */
  56 HAL_BOOL
  57 ar5416SetKeyCacheEntry(struct ath_hal *ah, uint16_t entry,
  58                        const HAL_KEYVAL *k, const uint8_t *mac,
  59                        int xorKey)
  60 {
  61         struct ath_hal_5416 *ahp = AH5416(ah);
  62
  63         if (ar5212SetKeyCacheEntry(ah, entry, k, mac, xorKey)) {
  64                 ahp->ah_keytype[entry] = keyType[k->kv_type];
  65                 return AH_TRUE;
  66         } else
  67                 return AH_FALSE;
  68 }
  69 #endif /* AH_SUPPORT_AR5416 */