ath_hal/ar5212/ar5212_keycache.c

51  * Return true if the specific key cache entry is valid.
54 ar5212IsKeyCacheEntryValid(struct ath_hal *ah, uint16_t entry)
56 	if (entry < AH_PRIVATE(ah)->ah_caps.halKeyCacheSize) {
57 		uint32_t val = OS_REG_READ(ah, AR_KEYTABLE_MAC1(entry));
65  * Clear the specified key cache entry and any associated MIC entry.
68 ar5212ResetKeyCacheEntry(struct ath_hal *ah, uint16_t entry)
72 	if (entry >= AH_PRIVATE(ah)->ah_caps.halKeyCacheSize) {
73 		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: entry %u out of range\n",
74 		    __func__, entry);
77 	keyType = OS_REG_READ(ah, AR_KEYTABLE_TYPE(entry));
80 	OS_REG_WRITE(ah, AR_KEYTABLE_KEY0(entry), 0);
81 	OS_REG_WRITE(ah, AR_KEYTABLE_KEY1(entry), 0);
82 	OS_REG_WRITE(ah, AR_KEYTABLE_KEY2(entry), 0);
83 	OS_REG_WRITE(ah, AR_KEYTABLE_KEY3(entry), 0);
84 	OS_REG_WRITE(ah, AR_KEYTABLE_KEY4(entry), 0);
85 	OS_REG_WRITE(ah, AR_KEYTABLE_TYPE(entry), AR_KEYTABLE_TYPE_CLR);
86 	OS_REG_WRITE(ah, AR_KEYTABLE_MAC0(entry), 0);
87 	OS_REG_WRITE(ah, AR_KEYTABLE_MAC1(entry), 0);
89 		uint16_t micentry = entry+64;	/* MIC goes at slot+64 */
102  * Sets the mac part of the specified key cache entry (and any
103  * associated MIC entry) and mark them valid.
112 ar5212SetKeyCacheEntryMac(struct ath_hal *ah, uint16_t entry, const uint8_t *mac)
117 	if (entry >= AH_PRIVATE(ah)->ah_caps.halKeyCacheSize) {
118 		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: entry %u out of range\n",
119 		    __func__, entry);
146 	OS_REG_WRITE(ah, AR_KEYTABLE_MAC0(entry), macLo);
147 	OS_REG_WRITE(ah, AR_KEYTABLE_MAC1(entry), macHi | unicast_flag);
152  * Sets the contents of the specified key cache entry
153  * and any associated MIC entry.
156 ar5212SetKeyCacheEntry(struct ath_hal *ah, uint16_t entry,
167 	if (entry >= pCap->halKeyCacheSize) {
168 		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: entry %u out of range\n",
169 		    __func__, entry);
187 		if (IS_MIC_ENABLED(ah) && entry+64 >= pCap->halKeyCacheSize) {
189 			    "%s: entry %u inappropriate for TKIP\n",
190 			    __func__, entry);
232 		uint16_t micentry = entry+64;	/* MIC goes at slot+64 */
240 		OS_REG_WRITE(ah, AR_KEYTABLE_KEY0(entry), ~key0);
241 		OS_REG_WRITE(ah, AR_KEYTABLE_KEY1(entry), ~key1);
242 		OS_REG_WRITE(ah, AR_KEYTABLE_KEY2(entry), key2);
243 		OS_REG_WRITE(ah, AR_KEYTABLE_KEY3(entry), key3);
244 		OS_REG_WRITE(ah, AR_KEYTABLE_KEY4(entry), key4);
245 		OS_REG_WRITE(ah, AR_KEYTABLE_TYPE(entry), keyType);
246 		(void) ar5212SetKeyCacheEntryMac(ah, entry, mac);
249 		 * Write MIC entry according to new or old key layout.
260 			 * one cache slot entry:
290 		OS_REG_WRITE(ah, AR_KEYTABLE_KEY0(entry), key0);
291 		OS_REG_WRITE(ah, AR_KEYTABLE_KEY1(entry), key1);
293 		OS_REG_WRITE(ah, AR_KEYTABLE_KEY0(entry), key0);
294 		OS_REG_WRITE(ah, AR_KEYTABLE_KEY1(entry), key1);
295 		OS_REG_WRITE(ah, AR_KEYTABLE_KEY2(entry), key2);
296 		OS_REG_WRITE(ah, AR_KEYTABLE_KEY3(entry), key3);
297 		OS_REG_WRITE(ah, AR_KEYTABLE_KEY4(entry), key4);
298 		OS_REG_WRITE(ah, AR_KEYTABLE_TYPE(entry), keyType);
300 		(void) ar5212SetKeyCacheEntryMac(ah, entry, mac);