ath_hal/ar5212/ar5212_keycache.c

49  * Return true if the specific key cache entry is valid.
52 ar5212IsKeyCacheEntryValid(struct ath_hal *ah, uint16_t entry)
54 	if (entry < AH_PRIVATE(ah)->ah_caps.halKeyCacheSize) {
55 		uint32_t val = OS_REG_READ(ah, AR_KEYTABLE_MAC1(entry));
63  * Clear the specified key cache entry and any associated MIC entry.
66 ar5212ResetKeyCacheEntry(struct ath_hal *ah, uint16_t entry)
70 	if (entry >= AH_PRIVATE(ah)->ah_caps.halKeyCacheSize) {
71 		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: entry %u out of range\n",
72 		    __func__, entry);
75 	keyType = OS_REG_READ(ah, AR_KEYTABLE_TYPE(entry));
78 	OS_REG_WRITE(ah, AR_KEYTABLE_KEY0(entry), 0);
79 	OS_REG_WRITE(ah, AR_KEYTABLE_KEY1(entry), 0);
80 	OS_REG_WRITE(ah, AR_KEYTABLE_KEY2(entry), 0);
81 	OS_REG_WRITE(ah, AR_KEYTABLE_KEY3(entry), 0);
82 	OS_REG_WRITE(ah, AR_KEYTABLE_KEY4(entry), 0);
83 	OS_REG_WRITE(ah, AR_KEYTABLE_TYPE(entry), AR_KEYTABLE_TYPE_CLR);
84 	OS_REG_WRITE(ah, AR_KEYTABLE_MAC0(entry), 0);
85 	OS_REG_WRITE(ah, AR_KEYTABLE_MAC1(entry), 0);
87 		uint16_t micentry = entry+64;	/* MIC goes at slot+64 */
100  * Sets the mac part of the specified key cache entry (and any
101  * associated MIC entry) and mark them valid.
110 ar5212SetKeyCacheEntryMac(struct ath_hal *ah, uint16_t entry, const uint8_t *mac)
115 	if (entry >= AH_PRIVATE(ah)->ah_caps.halKeyCacheSize) {
116 		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: entry %u out of range\n",
117 		    __func__, entry);
144 	OS_REG_WRITE(ah, AR_KEYTABLE_MAC0(entry), macLo);
145 	OS_REG_WRITE(ah, AR_KEYTABLE_MAC1(entry), macHi | unicast_flag);
150  * Sets the contents of the specified key cache entry
151  * and any associated MIC entry.
154 ar5212SetKeyCacheEntry(struct ath_hal *ah, uint16_t entry,
165 	if (entry >= pCap->halKeyCacheSize) {
166 		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: entry %u out of range\n",
167 		    __func__, entry);
185 		if (IS_MIC_ENABLED(ah) && entry+64 >= pCap->halKeyCacheSize) {
187 			    "%s: entry %u inappropriate for TKIP\n",
188 			    __func__, entry);
230 		uint16_t micentry = entry+64;	/* MIC goes at slot+64 */
238 		OS_REG_WRITE(ah, AR_KEYTABLE_KEY0(entry), ~key0);
239 		OS_REG_WRITE(ah, AR_KEYTABLE_KEY1(entry), ~key1);
240 		OS_REG_WRITE(ah, AR_KEYTABLE_KEY2(entry), key2);
241 		OS_REG_WRITE(ah, AR_KEYTABLE_KEY3(entry), key3);
242 		OS_REG_WRITE(ah, AR_KEYTABLE_KEY4(entry), key4);
243 		OS_REG_WRITE(ah, AR_KEYTABLE_TYPE(entry), keyType);
244 		(void) ar5212SetKeyCacheEntryMac(ah, entry, mac);
248 		 * Write MIC entry according to new or old key layout.
259 			 * one cache slot entry:
289 		OS_REG_WRITE(ah, AR_KEYTABLE_KEY0(entry), key0);
290 		OS_REG_WRITE(ah, AR_KEYTABLE_KEY1(entry), key1);
292 		OS_REG_WRITE(ah, AR_KEYTABLE_KEY0(entry), key0);
293 		OS_REG_WRITE(ah, AR_KEYTABLE_KEY1(entry), key1);
294 		OS_REG_WRITE(ah, AR_KEYTABLE_KEY2(entry), key2);
295 		OS_REG_WRITE(ah, AR_KEYTABLE_KEY3(entry), key3);
296 		OS_REG_WRITE(ah, AR_KEYTABLE_KEY4(entry), key4);
297 		OS_REG_WRITE(ah, AR_KEYTABLE_TYPE(entry), keyType);
299 		(void) ar5212SetKeyCacheEntryMac(ah, entry, mac);