| 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 | |