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authorDavid S. Miller <davem@davemloft.net>2009-03-27 17:19:16 -0700
committerDavid S. Miller <davem@davemloft.net>2009-03-27 17:19:16 -0700
commita83398570e17af6bb81eb94f4f5dd356bd2828d8 (patch)
tree5b5c7c3a56898485479291b7c964a1f3887d469c /drivers/net/wireless/rt2x00/rt2x00crypto.c
parentf9384d41c02408dd404aa64d66d0ef38adcf6479 (diff)
parent0b4d569de222452bcb55a4a536ade6cf4d8d1e30 (diff)
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00crypto.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00crypto.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00crypto.c b/drivers/net/wireless/rt2x00/rt2x00crypto.c
index aee9cba13eb..0b41845d954 100644
--- a/drivers/net/wireless/rt2x00/rt2x00crypto.c
+++ b/drivers/net/wireless/rt2x00/rt2x00crypto.c
@@ -1,5 +1,5 @@
/*
- Copyright (C) 2004 - 2008 rt2x00 SourceForge Project
+ Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
<http://rt2x00.serialmonkey.com>
This program is free software; you can redistribute it and/or modify
@@ -49,9 +49,14 @@ enum cipher rt2x00crypto_key_to_cipher(struct ieee80211_key_conf *key)
void rt2x00crypto_create_tx_descriptor(struct queue_entry *entry,
struct txentry_desc *txdesc)
{
+ struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(entry->skb);
struct ieee80211_key_conf *hw_key = tx_info->control.hw_key;
+ if (!test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags) ||
+ !hw_key || entry->skb->do_not_encrypt)
+ return;
+
__set_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags);
txdesc->cipher = rt2x00crypto_key_to_cipher(hw_key);
@@ -69,11 +74,17 @@ void rt2x00crypto_create_tx_descriptor(struct queue_entry *entry,
__set_bit(ENTRY_TXD_ENCRYPT_MMIC, &txdesc->flags);
}
-unsigned int rt2x00crypto_tx_overhead(struct ieee80211_tx_info *tx_info)
+unsigned int rt2x00crypto_tx_overhead(struct rt2x00_dev *rt2x00dev,
+ struct sk_buff *skb)
{
+ struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
struct ieee80211_key_conf *key = tx_info->control.hw_key;
unsigned int overhead = 0;
+ if (!test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags) ||
+ !key || skb->do_not_encrypt)
+ return overhead;
+
/*
* Extend frame length to include IV/EIV/ICV/MMIC,
* note that these lengths should only be added when