iwlwifi: add 1X HW WEP support
This patch adds support for HW encryption/decryption in 1X WEP.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c
index a48e228..cb96419 100644
--- a/drivers/net/wireless/iwlwifi/iwl-sta.c
+++ b/drivers/net/wireless/iwlwifi/iwl-sta.c
@@ -35,6 +35,7 @@
#include "iwl-sta.h"
#include "iwl-io.h"
#include "iwl-helpers.h"
+#include "iwl-4965.h"
int iwl_send_static_wepkey_cmd(struct iwl_priv *priv, u8 send_if_empty)
{
@@ -117,3 +118,49 @@
return ret;
}
+int iwl_set_wep_dynamic_key_info(struct iwl_priv *priv,
+ struct ieee80211_key_conf *keyconf,
+ u8 sta_id)
+{
+ unsigned long flags;
+ __le16 key_flags = 0;
+ int ret;
+
+ keyconf->flags &= ~IEEE80211_KEY_FLAG_GENERATE_IV;
+ keyconf->hw_key_idx = keyconf->keyidx;
+
+ key_flags |= (STA_KEY_FLG_WEP | STA_KEY_FLG_MAP_KEY_MSK);
+ key_flags |= cpu_to_le16(keyconf->keyidx << STA_KEY_FLG_KEYID_POS);
+ key_flags &= ~STA_KEY_FLG_INVALID;
+
+ if (keyconf->keylen == WEP_KEY_LEN_128)
+ key_flags |= STA_KEY_FLG_KEY_SIZE_MSK;
+
+ if (sta_id == priv->hw_setting.bcast_sta_id)
+ key_flags |= STA_KEY_MULTICAST_MSK;
+
+ spin_lock_irqsave(&priv->sta_lock, flags);
+
+ priv->stations[sta_id].keyinfo.alg = keyconf->alg;
+ priv->stations[sta_id].keyinfo.keylen = keyconf->keylen;
+ priv->stations[sta_id].keyinfo.keyidx = keyconf->keyidx;
+
+ memcpy(priv->stations[sta_id].keyinfo.key,
+ keyconf->key, keyconf->keylen);
+
+ memcpy(&priv->stations[sta_id].sta.key.key[3],
+ keyconf->key, keyconf->keylen);
+
+ priv->stations[sta_id].sta.key.key_offset = sta_id % 8; /* FIXME */
+ priv->stations[sta_id].sta.key.key_flags = key_flags;
+
+ priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_KEY_MASK;
+ priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
+
+ ret = iwl4965_send_add_station(priv,
+ &priv->stations[sta_id].sta, CMD_ASYNC);
+
+ spin_unlock_irqrestore(&priv->sta_lock, flags);
+
+ return ret;
+}