mac80211: extend get_key() to return PN for all ciphers
For ciphers not supported by mac80211, the function currently
doesn't return any PN data. Fix this by extending the driver's
get_key_seq() a little more to allow moving arbitrary PN data.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 47b39c2..67e0df1 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -1501,6 +1501,8 @@
u8 key[0];
};
+#define IEEE80211_MAX_PN_LEN 16
+
/**
* struct ieee80211_key_seq - key sequence counter
*
@@ -1513,6 +1515,7 @@
* reverse order than in packet)
* @gcmp: PN data, most significant byte first (big endian,
* reverse order than in packet)
+ * @hw: data for HW-only (e.g. cipher scheme) keys
*/
struct ieee80211_key_seq {
union {
@@ -1532,6 +1535,10 @@
struct {
u8 pn[6];
} gcmp;
+ struct {
+ u8 seq[IEEE80211_MAX_PN_LEN];
+ u8 seq_len;
+ } hw;
};
};