rt2x00: Implement HW encryption (rt2500usb)

rt2500usb supports hardware encryption.
rt2500usb supports up to 4 shared and pairwise keys.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c
index 7f908a17e368..e4a1dbeb18fd 100644
--- a/drivers/net/wireless/rt2x00/rt2x00queue.c
+++ b/drivers/net/wireless/rt2x00/rt2x00queue.c
@@ -420,8 +420,12 @@ int rt2x00queue_write_tx_frame(struct data_queue *queue, struct sk_buff *skb)
          * the frame so we can provide it to the driver seperately.
          */
         if (test_bit(ENTRY_TXD_ENCRYPT, &txdesc.flags) &&
-            !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc.flags))
-                rt2x00crypto_tx_remove_iv(skb, iv_len);
+            !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc.flags)) {
+                if (test_bit(CONFIG_CRYPTO_COPY_IV, &queue->rt2x00dev->flags))
+                        rt2x00crypto_tx_copy_iv(skb, iv_len);
+                else
+                        rt2x00crypto_tx_remove_iv(skb, iv_len);
+        }
 
         /*
          * It could be possible that the queue was corrupted and this