/*
* Copyright 2002-2004, Instant802 Networks, Inc.
* Copyright 2008, Jouni Malinen <j@w1.fi>
+ * Copyright (C) 2016 Intel Deutschland GmbH
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
return RX_DROP_UNUSABLE;
}
-
static int tkip_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
unsigned int hdrlen;
int len, tail;
+ u64 pn;
u8 *pos;
if (info->control.hw_key &&
return 0;
/* Increase IV for the frame */
- spin_lock(&key->u.tkip.txlock);
- key->u.tkip.tx.iv16++;
- if (key->u.tkip.tx.iv16 == 0)
- key->u.tkip.tx.iv32++;
- pos = ieee80211_tkip_add_iv(pos, key);
- spin_unlock(&key->u.tkip.txlock);
+ pn = atomic64_inc_return(&key->conf.tx_pn);
+ pos = ieee80211_tkip_add_iv(pos, &key->conf, pn);
/* hwaccel - with software IV */
if (info->control.hw_key)