staging: ks7010: remove struct ieee802_1x_eapol_key

This commit removes ieee802_1x_eapol_key struct because
it is not being used at all. It also removes definitions
related to some fields of the removed struct.
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/ks7010/eap_packet.h

@@ -40,47 +40,6 @@ enum {
 	EAPOL_KEY_TYPE_WPA = 254
 };
 
-#define IEEE8021X_REPLAY_COUNTER_LEN 8
-#define IEEE8021X_KEY_SIGN_LEN 16
-#define IEEE8021X_KEY_IV_LEN 16
-
-#define IEEE8021X_KEY_INDEX_FLAG 0x80
-#define IEEE8021X_KEY_INDEX_MASK 0x03
-
-struct ieee802_1x_eapol_key {
-	unsigned char type;
-	unsigned short key_length;
-	/*
-	 * does not repeat within the life of the keying material used to
-	 * encrypt the Key field; 64-bit NTP timestamp MAY be used here
-	 */
-	unsigned char replay_counter[IEEE8021X_REPLAY_COUNTER_LEN];
-	unsigned char key_iv[IEEE8021X_KEY_IV_LEN]; /* cryptographically random
-						     * number
-						     */
-	unsigned char key_index;	/*
-					 * key flag in the most significant bit:
-					 * 0 = broadcast (default key),
-					 * 1 = unicast (key mapping key);
-					 * key index is in the 7 least
-					 * significant bits
-					 */
-	/*
-	 * HMAC-MD5 message integrity check computed with MS-MPPE-Send-Key as
-	 * the key
-	 */
-	unsigned char key_signature[IEEE8021X_KEY_SIGN_LEN];
-
-	/*
-	 * followed by key: if packet body length = 44 + key length, then the
-	 * key field (of key_length bytes) contains the key in encrypted form;
-	 * if packet body length = 44, key field is absent and key_length
-	 * represents the number of least significant octets from
-	 * MS-MPPE-Send-Key attribute to be used as the keying material;
-	 * RC4 key used in encryption = Key-IV + MS-MPPE-Recv-Key
-	 */
-} __packed;
-
 #define WPA_NONCE_LEN 32
 #define WPA_REPLAY_COUNTER_LEN 8