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path: root/drivers/net/wireless/rt2x00/rt2x00mac.c
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Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00mac.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00mac.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c
index 4c0395729066..38edee5fe168 100644
--- a/drivers/net/wireless/rt2x00/rt2x00mac.c
+++ b/drivers/net/wireless/rt2x00/rt2x00mac.c
@@ -79,10 +79,8 @@ static int rt2x00mac_tx_rts_cts(struct rt2x00_dev *rt2x00dev,
* RTS/CTS frame should use the length of the frame plus any
* encryption overhead that will be added by the hardware.
*/
-#ifdef CONFIG_RT2X00_LIB_CRYPTO
if (!frag_skb->do_not_encrypt)
data_length += rt2x00crypto_tx_overhead(tx_info);
-#endif /* CONFIG_RT2X00_LIB_CRYPTO */
if (tx_info->control.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT)
ieee80211_ctstoself_get(rt2x00dev->hw, tx_info->control.vif,
@@ -489,6 +487,7 @@ int rt2x00mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
struct ieee80211_key_conf *key)
{
struct rt2x00_dev *rt2x00dev = hw->priv;
+ struct ieee80211_sta *sta;
int (*set_key) (struct rt2x00_dev *rt2x00dev,
struct rt2x00lib_crypto *crypto,
struct ieee80211_key_conf *key);
@@ -539,6 +538,17 @@ int rt2x00mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
memcpy(&crypto.key, &key->key[0], key->keylen);
/*
+ * Discover the Association ID from mac80211.
+ * Some drivers need this information when updating the
+ * hardware key (either adding or removing).
+ */
+ rcu_read_lock();
+ sta = ieee80211_find_sta(hw, address);
+ if (sta)
+ crypto.aid = sta->aid;
+ rcu_read_unlock();
+
+ /*
* Each BSS has a maximum of 4 shared keys.
* Shared key index values:
* 0) BSS0 key0
@@ -636,7 +646,7 @@ void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw,
* When the erp information has changed, we should perform
* additional configuration steps. For all other changes we are done.
*/
- if (changes & (BSS_CHANGED_ERP_PREAMBLE | BSS_CHANGED_ERP_CTS_PROT)) {
+ if (changes & ~(BSS_CHANGED_ASSOC | BSS_CHANGED_HT)) {
if (!test_bit(DRIVER_REQUIRE_SCHEDULED, &rt2x00dev->flags))
rt2x00lib_config_erp(rt2x00dev, intf, bss_conf);
else