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authorIvo van Doorn <ivdoorn@gmail.com>2008-12-02 20:20:42 +0300
committerJohn W. Linville <linville@tuxdriver.com>2008-12-05 17:35:51 +0300
commitdddfb478b26e29a2b47f655ec219e743b8111015 (patch)
tree040ba518fcddc9b2e89a8bbf9d3a2e2d24f14b0e /drivers/net/wireless/rt2x00/rt2x00crypto.c
parent0b927a079106e5f66c736e297370d3feb008e28e (diff)
downloadlinux-dddfb478b26e29a2b47f655ec219e743b8111015.tar.xz
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>
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00crypto.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00crypto.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00crypto.c b/drivers/net/wireless/rt2x00/rt2x00crypto.c
index e0fc7c193040..c6709b392165 100644
--- a/drivers/net/wireless/rt2x00/rt2x00crypto.c
+++ b/drivers/net/wireless/rt2x00/rt2x00crypto.c
@@ -69,6 +69,18 @@ unsigned int rt2x00crypto_tx_overhead(struct ieee80211_tx_info *tx_info)
return overhead;
}
+void rt2x00crypto_tx_copy_iv(struct sk_buff *skb, unsigned int iv_len)
+{
+ struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
+ unsigned int header_length = ieee80211_get_hdrlen_from_skb(skb);
+
+ if (unlikely(!iv_len))
+ return;
+
+ /* Copy IV/EIV data */
+ memcpy(skbdesc->iv, skb->data + header_length, iv_len);
+}
+
void rt2x00crypto_tx_remove_iv(struct sk_buff *skb, unsigned int iv_len)
{
struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);