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iwlwifi-2.6: enables HW TKIP encryption

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This patch add support for TKIP encryption (TX) in HW.

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>
This commit is contained in:
Emmanuel Grumbach 2008-03-19 16:41:45 -07:00 committed by John W. Linville
parent 9ae4fda332
commit 2bc750899f
2 changed files with 25 additions and 9 deletions
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1
drivers/net/wireless/iwlwifi/iwl-4965.h
View File

@ -481,6 +481,7 @@ struct iwl4965_tid_data {
struct iwl4965_hw_key {
enum ieee80211_key_alg alg;
int keylen;
struct ieee80211_key_conf *conf;
u8 key[32];
};

33
drivers/net/wireless/iwlwifi/iwl4965-base.c
View File

@ -1393,7 +1393,27 @@ static int iwl4965_set_tkip_dynamic_key_info(struct iwl_priv *priv,
struct ieee80211_key_conf *keyconf,
u8 sta_id)
{
return -EOPNOTSUPP;
unsigned long flags;
int ret = 0;
keyconf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
keyconf->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
keyconf->hw_key_idx = keyconf->keyidx;
spin_lock_irqsave(&priv->sta_lock, flags);
priv->stations[sta_id].keyinfo.alg = keyconf->alg;
priv->stations[sta_id].keyinfo.conf = keyconf;
priv->stations[sta_id].keyinfo.keylen = 16;
/* This copy is acutally not needed: we get the key with each TX */
memcpy(priv->stations[sta_id].keyinfo.key, keyconf->key, 16);
memcpy(priv->stations[sta_id].sta.key.key, keyconf->key, 16);
spin_unlock_irqrestore(&priv->sta_lock, flags);
return ret;
}
static int iwl4965_clear_sta_key_info(struct iwl_priv *priv, u8 sta_id)
@ -2341,15 +2361,10 @@ static void iwl4965_build_tx_cmd_hwcrypto(struct iwl_priv *priv,
break;
case ALG_TKIP:
#if 0
cmd->cmd.tx.sec_ctl = TX_CMD_SEC_TKIP;
if (last_frag)
memcpy(cmd->cmd.tx.tkip_mic.byte, skb_frag->tail - 8,
8);
else
memset(cmd->cmd.tx.tkip_mic.byte, 0, 8);
#endif
ieee80211_get_tkip_key(keyinfo->conf, skb_frag,
IEEE80211_TKIP_P2_KEY, cmd->cmd.tx.key);
IWL_DEBUG_TX("tx_cmd with tkip hwcrypto\n");
break;
case ALG_WEP: