ar5416_keycache.c

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    1 /*-
    2  * SPDX-License-Identifier: ISC
    3  *
    4  * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting
    5  * Copyright (c) 2002-2008 Atheros Communications, Inc.
    6  *
    7  * Permission to use, copy, modify, and/or distribute this software for any
    8  * purpose with or without fee is hereby granted, provided that the above
    9  * copyright notice and this permission notice appear in all copies.
   10  *
   11  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   12  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   13  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   14  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   15  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   16  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   17  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   18  *
   19  * $FreeBSD$
   20  */
   21 #include "opt_ah.h"
   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 }

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FreeBSD/Linux Kernel Cross Reference sys/dev/ath/ath_hal/ar5416/ar5416_keycache.c

FreeBSD/Linux Kernel Cross Reference
sys/dev/ath/ath_hal/ar5416/ar5416_keycache.c