diff options
| author | Ivo van Doorn <ivdoorn@gmail.com> | 2009-04-26 16:08:30 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-05-06 15:14:49 -0400 |
| commit | 9eb4e21e289beba9cfe34f24920eee83c144e62f (patch) | |
| tree | ab2da2b66f308e94159742b52a126787a8e2d1a5 /drivers/net/wireless/rt2x00/rt2x00queue.c | |
| parent | bbb33881ae5bfe4197a005dc03b29b7dcc07fa28 (diff) | |
rt2x00: Move iv_len into tx descriptor data
By placing the iv_len into the tx descriptor data and
by passing this data to the crypto IV handlers we can
save multiple calls to ieee80211_get_hdrlen_from_skb()
and some if-statements when copying/removing the IV data
from the outgoing frame.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00queue.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00queue.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c index a5664bd8493..6f78915b364 100644 --- a/drivers/net/wireless/rt2x00/rt2x00queue.c +++ b/drivers/net/wireless/rt2x00/rt2x00queue.c @@ -368,7 +368,6 @@ int rt2x00queue_write_tx_frame(struct data_queue *queue, struct sk_buff *skb) struct queue_entry *entry = rt2x00queue_get_entry(queue, Q_INDEX); struct txentry_desc txdesc; struct skb_frame_desc *skbdesc; - unsigned int iv_len = 0; u8 rate_idx, rate_flags; if (unlikely(rt2x00queue_full(queue))) @@ -390,9 +389,6 @@ int rt2x00queue_write_tx_frame(struct data_queue *queue, struct sk_buff *skb) entry->skb = skb; rt2x00queue_create_tx_descriptor(entry, &txdesc); - if (IEEE80211_SKB_CB(skb)->control.hw_key != NULL) - iv_len = IEEE80211_SKB_CB(skb)->control.hw_key->iv_len; - /* * All information is retrieved from the skb->cb array, * now we should claim ownership of the driver part of that @@ -415,9 +411,9 @@ int rt2x00queue_write_tx_frame(struct data_queue *queue, struct sk_buff *skb) if (test_bit(ENTRY_TXD_ENCRYPT, &txdesc.flags) && !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc.flags)) { if (test_bit(DRIVER_REQUIRE_COPY_IV, &queue->rt2x00dev->flags)) - rt2x00crypto_tx_copy_iv(skb, iv_len); + rt2x00crypto_tx_copy_iv(skb, &txdesc); else - rt2x00crypto_tx_remove_iv(skb, iv_len); + rt2x00crypto_tx_remove_iv(skb, &txdesc); } /* |