diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00queue.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00queue.c | 29 |
1 files changed, 5 insertions, 24 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c index e4a1dbeb18f..eaec6bd93ed 100644 --- a/drivers/net/wireless/rt2x00/rt2x00queue.c +++ b/drivers/net/wireless/rt2x00/rt2x00queue.c @@ -55,14 +55,12 @@ struct sk_buff *rt2x00queue_alloc_rxskb(struct rt2x00_dev *rt2x00dev, /* * For IV/EIV/ICV assembly we must make sure there is * at least 8 bytes bytes available in headroom for IV/EIV - * and 4 bytes for ICV data as tailroon. + * and 8 bytes for ICV data as tailroon. */ -#ifdef CONFIG_RT2X00_LIB_CRYPTO if (test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags)) { head_size += 8; - tail_size += 4; + tail_size += 8; } -#endif /* CONFIG_RT2X00_LIB_CRYPTO */ /* * Allocate skbuffer. @@ -174,7 +172,7 @@ static void rt2x00queue_create_tx_descriptor(struct queue_entry *entry, txdesc->cw_max = entry->queue->cw_max; txdesc->aifs = entry->queue->aifs; - /* Data length + CRC + IV/EIV/ICV/MMIC (when using encryption) */ + /* Data length + CRC */ data_length = entry->skb->len + 4; /* @@ -183,34 +181,17 @@ static void rt2x00queue_create_tx_descriptor(struct queue_entry *entry, if (!(tx_info->flags & IEEE80211_TX_CTL_NO_ACK)) __set_bit(ENTRY_TXD_ACK, &txdesc->flags); -#ifdef CONFIG_RT2X00_LIB_CRYPTO if (test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags) && !entry->skb->do_not_encrypt) { - struct ieee80211_key_conf *hw_key = tx_info->control.hw_key; - - __set_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags); - - txdesc->cipher = rt2x00crypto_key_to_cipher(hw_key); - - if (hw_key->flags & IEEE80211_KEY_FLAG_PAIRWISE) - __set_bit(ENTRY_TXD_ENCRYPT_PAIRWISE, &txdesc->flags); - - txdesc->key_idx = hw_key->hw_key_idx; - txdesc->iv_offset = ieee80211_get_hdrlen_from_skb(entry->skb); + /* Apply crypto specific descriptor information */ + rt2x00crypto_create_tx_descriptor(entry, txdesc); /* * Extend frame length to include all encryption overhead * that will be added by the hardware. */ data_length += rt2x00crypto_tx_overhead(tx_info); - - if (!(hw_key->flags & IEEE80211_KEY_FLAG_GENERATE_IV)) - __set_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags); - - if (!(hw_key->flags & IEEE80211_KEY_FLAG_GENERATE_MMIC)) - __set_bit(ENTRY_TXD_ENCRYPT_MMIC, &txdesc->flags); } -#endif /* CONFIG_RT2X00_LIB_CRYPTO */ /* * Check if this is a RTS/CTS frame |