/*
* Clear the specified key cache entry
*/
HAL_BOOL
ar5211ResetKeyCacheEntry(struct ath_hal *ah, uint16_t entry)
{
if (entry < AR_KEYTABLE_SIZE) {
OS_REG_WRITE(ah, AR_KEYTABLE_KEY0(entry), 0);
OS_REG_WRITE(ah, AR_KEYTABLE_KEY1(entry), 0);
OS_REG_WRITE(ah, AR_KEYTABLE_KEY2(entry), 0);
OS_REG_WRITE(ah, AR_KEYTABLE_KEY3(entry), 0);
OS_REG_WRITE(ah, AR_KEYTABLE_KEY4(entry), 0);
OS_REG_WRITE(ah, AR_KEYTABLE_TYPE(entry), 0);
OS_REG_WRITE(ah, AR_KEYTABLE_MAC0(entry), 0);
OS_REG_WRITE(ah, AR_KEYTABLE_MAC1(entry), 0);
return AH_TRUE;
}
return AH_FALSE;
}
static void
ath_hal_dumpkeycache(FILE *fd, int nkeys)
{
static const char *keytypenames[] = {
"WEP-40", /* AR_KEYTABLE_TYPE_40 */
"WEP-104", /* AR_KEYTABLE_TYPE_104 */
"#2",
"WEP-128", /* AR_KEYTABLE_TYPE_128 */
"TKIP", /* AR_KEYTABLE_TYPE_TKIP */
"AES-OCB", /* AR_KEYTABLE_TYPE_AES */
"AES-CCM", /* AR_KEYTABLE_TYPE_CCM */
"CLR", /* AR_KEYTABLE_TYPE_CLR */
};
int micEnabled = SREV(state.revs.ah_macVersion, state.revs.ah_macRev) < SREV(4,8) ? 0 :
OS_REG_READ(ah, AR_STA_ID1) & AR_STA_ID1_CRPT_MIC_ENABLE;
u_int8_t mac[IEEE80211_ADDR_LEN];
u_int8_t ismic[128/NBBY];
int entry;
int first = 1;
memset(ismic, 0, sizeof(ismic));
for (entry = 0; entry < nkeys; entry++) {
u_int32_t macLo, macHi, type;
u_int32_t key0, key1, key2, key3, key4;
macHi = OS_REG_READ(ah, AR_KEYTABLE_MAC1(entry));
if ((macHi & AR_KEYTABLE_VALID) == 0 && isclr(ismic, entry))
continue;
macLo = OS_REG_READ(ah, AR_KEYTABLE_MAC0(entry));
macHi <<= 1;
if (macLo & (1<<31))
macHi |= 1;
macLo <<= 1;
mac[4] = macHi & 0xff;
mac[5] = macHi >> 8;
mac[0] = macLo & 0xff;
mac[1] = macLo >> 8;
mac[2] = macLo >> 16;
mac[3] = macLo >> 24;
type = OS_REG_READ(ah, AR_KEYTABLE_TYPE(entry));
if ((type & 7) == AR_KEYTABLE_TYPE_TKIP && micEnabled)
setbit(ismic, entry+64);
key0 = OS_REG_READ(ah, AR_KEYTABLE_KEY0(entry));
key1 = OS_REG_READ(ah, AR_KEYTABLE_KEY1(entry));
key2 = OS_REG_READ(ah, AR_KEYTABLE_KEY2(entry));
key3 = OS_REG_READ(ah, AR_KEYTABLE_KEY3(entry));
key4 = OS_REG_READ(ah, AR_KEYTABLE_KEY4(entry));
if (first) {
fprintf(fd, "\n");
first = 0;
}
fprintf(fd, "KEY[%03u] MAC %s %-7s %02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x\n"
, entry
, ether_sprintf(mac)
, isset(ismic, entry) ? "MIC" : keytypenames[type & 7]
, (key0 >> 0) & 0xff
, (key0 >> 8) & 0xff
, (key0 >> 16) & 0xff
, (key0 >> 24) & 0xff
, (key1 >> 0) & 0xff
, (key1 >> 8) & 0xff
, (key2 >> 0) & 0xff
, (key2 >> 8) & 0xff
, (key2 >> 16) & 0xff
, (key2 >> 24) & 0xff
, (key3 >> 0) & 0xff
, (key3 >> 8) & 0xff
, (key4 >> 0) & 0xff
, (key4 >> 8) & 0xff
, (key4 >> 16) & 0xff
, (key4 >> 24) & 0xff
);
}
}
