int ieee80211_crypto_handle_keymiss(struct ieee80211com *ic,
wbuf_t wbuf,
struct ieee80211_rx_status *rs)
{
struct ieee80211_node *ni = NULL;
/*
* Handle packets with keycache miss
*/
if ((rs->rs_flags & IEEE80211_RX_KEYMISS)) {
ni = ieee80211_find_rxnode(ic,
(const struct ieee80211_frame_min *) wbuf_header(wbuf));
if( ni != NULL) {
struct ieee80211vap *vap = ni->ni_vap;
ieee80211_key_update_begin(vap);
if (!ieee80211_crypto_keymiss(ni, wbuf, rs)) {
IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO, "%s: Couldn't decrypt, dropping packet.\n",
__func__);
wbuf_free(wbuf);
ieee80211_key_update_end(vap);
ieee80211_free_node(ni);
return 1;
}else {
ieee80211_key_update_end(vap);
ieee80211_free_node(ni);
}
}
}
return 0;
}
/*
* Clear the global key table.
*/
void
ieee80211_crypto_delglobalkeys(struct ieee80211vap *vap)
{
int i;
ieee80211_key_update_begin(vap);
for (i = 0; i < IEEE80211_WEP_NKID; i++)
(void) _ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[i]);
ieee80211_key_update_end(vap);
}
/*
* Remove the specified key.
*/
int
ieee80211_crypto_delkey(struct ieee80211vap *vap, struct ieee80211_key *key)
{
int status;
ieee80211_key_update_begin(vap);
status = _ieee80211_crypto_delkey(vap, key);
ieee80211_key_update_end(vap);
return status;
}
/*
* Clear the global key table.
*/
void
ieee80211_crypto_delglobalkeys(struct ieee80211com *ic)
{
int i;
ieee80211_key_update_begin(ic);
for (i = 0; i < IEEE80211_WEP_NKID; i++)
(void) _ieee80211_crypto_delkey(ic, &ic->ic_nw_keys[i]);
ieee80211_key_update_end(ic);
}
/*
* Remove the specified key.
*/
int
ieee80211_crypto_delkey(struct ieee80211com *ic, struct ieee80211_key *key)
{
int status;
ieee80211_key_update_begin(ic);
status = _ieee80211_crypto_delkey(ic, key);
ieee80211_key_update_end(ic);
return status;
}
/*
* Remove the specified key.
*/
int
ieee80211_crypto_delkey(struct ieee80211vap *vap, struct ieee80211_key *key,
struct ieee80211_node *ni)
{
int status;
#ifdef ATH_SUPERG_COMP
/* if valid node entry is present cleanup the compression state */
if (ni)
dev_comp_set(vap, ni, 0);
#endif
ieee80211_key_update_begin(vap);
status = _ieee80211_crypto_delkey(vap, key, ni);
ieee80211_key_update_end(vap);
return status;
}