freebsd-skq/sys/dev/ath/ath_hal/ar5416/ar5416_keycache.c
2010-01-29 10:07:17 +00:00

67 lines
1.9 KiB
C

/*
* Copyright (c) 2002-2008 Sam Leffler, Errno Consulting
* Copyright (c) 2002-2008 Atheros Communications, Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* $FreeBSD$
*/
#include "opt_ah.h"
#include "ah.h"
#include "ah_internal.h"
#include "ar5416/ar5416.h"
static const int keyType[] = {
1, /* HAL_CIPHER_WEP */
0, /* HAL_CIPHER_AES_OCB */
2, /* HAL_CIPHER_AES_CCM */
0, /* HAL_CIPHER_CKIP */
3, /* HAL_CIPHER_TKIP */
0, /* HAL_CIPHER_CLR */
};
/*
* Clear the specified key cache entry and any associated MIC entry.
*/
HAL_BOOL
ar5416ResetKeyCacheEntry(struct ath_hal *ah, uint16_t entry)
{
struct ath_hal_5416 *ahp = AH5416(ah);
if (ar5212ResetKeyCacheEntry(ah, entry)) {
ahp->ah_keytype[entry] = keyType[HAL_CIPHER_CLR];
return AH_TRUE;
} else
return AH_FALSE;
}
/*
* Sets the contents of the specified key cache entry
* and any associated MIC entry.
*/
HAL_BOOL
ar5416SetKeyCacheEntry(struct ath_hal *ah, uint16_t entry,
const HAL_KEYVAL *k, const uint8_t *mac,
int xorKey)
{
struct ath_hal_5416 *ahp = AH5416(ah);
if (ar5212SetKeyCacheEntry(ah, entry, k, mac, xorKey)) {
ahp->ah_keytype[entry] = keyType[k->kv_type];
return AH_TRUE;
} else
return AH_FALSE;
}