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: ar5416_keycache.c,v 1.1.1.1 2008/12/11 04:46:48 alc Exp $ |
18 | */ |
19 | #include "opt_ah.h" |
20 | |
21 | #include "ah.h" |
22 | #include "ah_internal.h" |
23 | |
24 | #include "ar5416/ar5416.h" |
25 | |
26 | static 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 | */ |
38 | HAL_BOOL |
39 | ar5416ResetKeyCacheEntry(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 | */ |
54 | HAL_BOOL |
55 | ar5416SetKeyCacheEntry(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 | |