[PATCH] ieee80211: Add TKIP crypt->build_iv
This patch adds ieee80211 TKIP build_iv() method to support hardwares
that can do TKIP encryption but relies on ieee80211 layer to build
the IV. It also changes the build_iv() interface to return the key
if possible after the IV is built (this is required by TKIP).
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/ieee80211/ieee80211_crypt_wep.c b/net/ieee80211/ieee80211_crypt_wep.c
index f8dca31..649e581 100644
--- a/net/ieee80211/ieee80211_crypt_wep.c
+++ b/net/ieee80211/ieee80211_crypt_wep.c
@@ -76,7 +76,8 @@
}
/* Add WEP IV/key info to a frame that has at least 4 bytes of headroom */
-static int prism2_wep_build_iv(struct sk_buff *skb, int hdr_len, void *priv)
+static int prism2_wep_build_iv(struct sk_buff *skb, int hdr_len,
+ u8 *key, int keylen, void *priv)
{
struct prism2_wep_data *wep = priv;
u32 klen, len;
@@ -131,7 +132,7 @@
return -1;
/* add the IV to the frame */
- if (prism2_wep_build_iv(skb, hdr_len, priv))
+ if (prism2_wep_build_iv(skb, hdr_len, NULL, 0, priv))
return -1;
/* Copy the IV into the first 3 bytes of the key */