[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/include/net/ieee80211_crypt.h b/include/net/ieee80211_crypt.h
index cd82c3e..eb476414 100644
--- a/include/net/ieee80211_crypt.h
+++ b/include/net/ieee80211_crypt.h
@@ -47,7 +47,8 @@
/* deinitialize crypto context and free allocated private data */
void (*deinit) (void *priv);
- int (*build_iv) (struct sk_buff * skb, int hdr_len, void *priv);
+ int (*build_iv) (struct sk_buff * skb, int hdr_len,
+ u8 *key, int keylen, void *priv);
/* encrypt/decrypt return < 0 on error or >= 0 on success. The return
* value from decrypt_mpdu is passed as the keyidx value for