ar5416_keycache.c revision 185406 
1194140Simp/*
2194140Simp * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting
3194140Simp * Copyright (c) 2002-2008 Atheros Communications, Inc.
4194140Simp *
5194140Simp * Permission to use, copy, modify, and/or distribute this software for any
6194140Simp * purpose with or without fee is hereby granted, provided that the above
7194140Simp * copyright notice and this permission notice appear in all copies.
8194140Simp *
9194140Simp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10194140Simp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11194140Simp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12194140Simp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13194140Simp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14194140Simp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15194140Simp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16194140Simp *
17194140Simp * $Id: ar5416_keycache.c,v 1.3 2008/11/10 04:08:04 sam Exp $
18194140Simp */
19194140Simp#include "opt_ah.h"
20194140Simp
21194140Simp#include "ah.h"
22#include "ah_internal.h"
23
24#include "ar5416/ar5416.h"
25
26static const int keyType[] = {
27	1,	/* HAL_CIPHER_WEP */
28	0,	/* HAL_CIPHER_AES_OCB */
29	2,	/* HAL_CIPHER_AES_CCM */
30	0,	/* HAL_CIPHER_CKIP */
31	3,	/* HAL_CIPHER_TKIP */
32	0,	/* HAL_CIPHER_CLR */
33};
34
35/*
36 * Clear the specified key cache entry and any associated MIC entry.
37 */
38HAL_BOOL
39ar5416ResetKeyCacheEntry(struct ath_hal *ah, uint16_t entry)
40{
41	struct ath_hal_5416 *ahp = AH5416(ah);
42
43	if (ar5212ResetKeyCacheEntry(ah, entry)) {
44		ahp->ah_keytype[entry] = keyType[HAL_CIPHER_CLR];
45		return AH_TRUE;
46	} else
47		return AH_FALSE;
48}
49
50/*
51 * Sets the contents of the specified key cache entry
52 * and any associated MIC entry.
53 */
54HAL_BOOL
55ar5416SetKeyCacheEntry(struct ath_hal *ah, uint16_t entry,
56                       const HAL_KEYVAL *k, const uint8_t *mac,
57                       int xorKey)
58{
59	struct ath_hal_5416 *ahp = AH5416(ah);
60
61	if (ar5212SetKeyCacheEntry(ah, entry, k, mac, xorKey)) {
62		ahp->ah_keytype[entry] = keyType[k->kv_type];
63		return AH_TRUE;
64	} else
65		return AH_FALSE;
66}
67