From dddfb478b26e29a2b47f655ec219e743b8111015 Mon Sep 17 00:00:00 2001 From: Ivo van Doorn Date: Tue, 2 Dec 2008 18:20:42 +0100 Subject: rt2x00: Implement HW encryption (rt2500usb) rt2500usb supports hardware encryption. rt2500usb supports up to 4 shared and pairwise keys. Signed-off-by: Ivo van Doorn Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt2x00crypto.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'drivers/net/wireless/rt2x00/rt2x00crypto.c') 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); -- cgit v1.2.3