#include <linux/rtnetlink.h>
#include <net/mac80211.h>
#include "ieee80211_i.h"
+#include "driver-ops.h"
#include "debugfs_key.h"
#include "aes_ccm.h"
#include "aes_cmac.h"
*
* @key: key to add to do item for
* @flag: todo flag(s)
+ *
+ * Must be called with IRQs or softirqs disabled.
*/
static void add_todo(struct ieee80211_key *key, u32 flag)
{
struct ieee80211_sub_if_data,
u.ap);
- ret = key->local->ops->set_key(local_to_hw(key->local), SET_KEY,
- &sdata->vif, sta, &key->conf);
+ ret = drv_set_key(key->local, SET_KEY, &sdata->vif, sta, &key->conf);
if (!ret) {
- spin_lock(&todo_lock);
+ spin_lock_bh(&todo_lock);
key->flags |= KEY_FLAG_UPLOADED_TO_HARDWARE;
- spin_unlock(&todo_lock);
+ spin_unlock_bh(&todo_lock);
}
if (ret && ret != -ENOSPC && ret != -EOPNOTSUPP)
if (!key || !key->local->ops->set_key)
return;
- spin_lock(&todo_lock);
+ spin_lock_bh(&todo_lock);
if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)) {
- spin_unlock(&todo_lock);
+ spin_unlock_bh(&todo_lock);
return;
}
- spin_unlock(&todo_lock);
+ spin_unlock_bh(&todo_lock);
sta = get_sta_for_key(key);
sdata = key->sdata;
struct ieee80211_sub_if_data,
u.ap);
- ret = key->local->ops->set_key(local_to_hw(key->local), DISABLE_KEY,
- &sdata->vif, sta, &key->conf);
+ ret = drv_set_key(key->local, DISABLE_KEY, &sdata->vif,
+ sta, &key->conf);
if (ret)
printk(KERN_ERR "mac80211-%s: failed to remove key "
wiphy_name(key->local->hw.wiphy),
key->conf.keyidx, sta ? sta->addr : bcast_addr, ret);
- spin_lock(&todo_lock);
+ spin_lock_bh(&todo_lock);
key->flags &= ~KEY_FLAG_UPLOADED_TO_HARDWARE;
- spin_unlock(&todo_lock);
+ spin_unlock_bh(&todo_lock);
}
static void __ieee80211_set_default_key(struct ieee80211_sub_if_data *sdata,
struct ieee80211_key *ieee80211_key_alloc(enum ieee80211_key_alg alg,
int idx,
size_t key_len,
- const u8 *key_data)
+ const u8 *key_data,
+ size_t seq_len, const u8 *seq)
{
struct ieee80211_key *key;
+ int i, j;
BUG_ON(idx < 0 || idx >= NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS);
case ALG_TKIP:
key->conf.iv_len = TKIP_IV_LEN;
key->conf.icv_len = TKIP_ICV_LEN;
+ if (seq) {
+ for (i = 0; i < NUM_RX_DATA_QUEUES; i++) {
+ key->u.tkip.rx[i].iv32 =
+ get_unaligned_le32(&seq[2]);
+ key->u.tkip.rx[i].iv16 =
+ get_unaligned_le16(seq);
+ }
+ }
break;
case ALG_CCMP:
key->conf.iv_len = CCMP_HDR_LEN;
key->conf.icv_len = CCMP_MIC_LEN;
+ if (seq) {
+ for (i = 0; i < NUM_RX_DATA_QUEUES; i++)
+ for (j = 0; j < CCMP_PN_LEN; j++)
+ key->u.ccmp.rx_pn[i][j] =
+ seq[CCMP_PN_LEN - j - 1];
+ }
break;
case ALG_AES_CMAC:
key->conf.iv_len = 0;
key->conf.icv_len = sizeof(struct ieee80211_mmie);
+ if (seq)
+ for (j = 0; j < 6; j++)
+ key->u.aes_cmac.rx_pn[j] = seq[6 - j - 1];
break;
}
memcpy(key->conf.key, key_data, key_len);
__ieee80211_key_replace(sdata, sta, old_key, key);
- spin_unlock_irqrestore(&sdata->local->key_lock, flags);
-
/* free old key later */
add_todo(old_key, KEY_FLAG_TODO_DELETE);
add_todo(key, KEY_FLAG_TODO_ADD_DEBUGFS);
if (netif_running(sdata->dev))
add_todo(key, KEY_FLAG_TODO_HWACCEL_ADD);
+
+ spin_unlock_irqrestore(&sdata->local->key_lock, flags);
}
static void __ieee80211_key_free(struct ieee80211_key *key)
*/
synchronize_rcu();
- spin_lock(&todo_lock);
+ spin_lock_bh(&todo_lock);
while (!list_empty(&todo_list)) {
key = list_first_entry(&todo_list, struct ieee80211_key, todo);
list_del_init(&key->todo);
KEY_FLAG_TODO_HWACCEL_REMOVE |
KEY_FLAG_TODO_DELETE);
key->flags &= ~todoflags;
- spin_unlock(&todo_lock);
+ spin_unlock_bh(&todo_lock);
work_done = false;
WARN_ON(!work_done);
- spin_lock(&todo_lock);
+ spin_lock_bh(&todo_lock);
}
- spin_unlock(&todo_lock);
+ spin_unlock_bh(&todo_lock);
}
void ieee80211_key_todo(void)