diff options
| author | Ivo van Doorn <ivdoorn@gmail.com> | 2008-12-02 20:20:42 +0300 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-12-05 17:35:51 +0300 |
| commit | dddfb478b26e29a2b47f655ec219e743b8111015 (patch) | |
| tree | 040ba518fcddc9b2e89a8bbf9d3a2e2d24f14b0e /drivers/net/wireless/rt2x00/rt2x00crypto.c | |
| parent | 0b927a079106e5f66c736e297370d3feb008e28e (diff) | |
| download | linux-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.c | 12 |
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); |