/*
* Remove the key (no locking, for internal use).
*/
static int
_ieee80211_crypto_delkey(struct ieee80211vap *vap, struct ieee80211_key *key)
{
KASSERT(key->wk_cipher != NULL, ("No cipher!"));
IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO,
"%s: %s keyix %u flags 0x%x rsc %ju tsc %ju len %u\n",
__func__, key->wk_cipher->ic_name,
key->wk_keyix, key->wk_flags,
key->wk_keyrsc[IEEE80211_NONQOS_TID], key->wk_keytsc,
key->wk_keylen);
if (key->wk_flags & IEEE80211_KEY_DEVKEY) {
/*
* Remove hardware entry.
*/
/* XXX key cache */
if (!dev_key_delete(vap, key)) {
IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO,
"%s: driver did not delete key index %u\n",
__func__, key->wk_keyix);
vap->iv_stats.is_crypto_delkey++;
/* XXX recovery? */
}
}
cipher_detach(key);
memset(key, 0, sizeof(*key));
ieee80211_crypto_resetkey(vap, key, IEEE80211_KEYIX_NONE);
return 1;
}
/*
* Remove the key (no locking, for internal use).
*/
static int
_ieee80211_crypto_delkey(struct ieee80211com *ic, struct ieee80211_key *key)
{
u_int16_t keyix;
KASSERT(key->wk_cipher != NULL, ("No cipher!"));
keyix = key->wk_keyix;
if (keyix != IEEE80211_KEYIX_NONE) {
/*
* Remove hardware entry.
*/
/* XXX key cache */
if (!dev_key_delete(ic, key)) {
IEEE80211_DPRINTF(ic, IEEE80211_MSG_CRYPTO,
("%s: driver did not delete key index %u\n",
__func__, keyix));
ic->ic_stats.is_crypto_delkey++;
/* XXX recovery? */
}
}
cipher_detach(key);
memset(key, 0, sizeof(*key));
key->wk_cipher = &ieee80211_cipher_none;
key->wk_private = cipher_attach(ic, key);
/* NB: cannot depend on key index to decide this */
if (&ic->ic_nw_keys[0] <= key &&
key < &ic->ic_nw_keys[IEEE80211_WEP_NKID])
key->wk_keyix = keyix; /* preserve shared key state */
else
key->wk_keyix = IEEE80211_KEYIX_NONE;
return 1;
}
