-#define TR_ALEN 6 /* Octets in one ethernet addr */
-#define TR_HLEN (sizeof(struct trh_hdr)+sizeof(struct trllc))
-#define AC 0x10
-#define LLC_FRAME 0x40
-#if 0
-#define ETH_HLEN 14 /* Total octets in header. */
-#define ETH_ZLEN 60 /* Min. octets in frame sans FCS */
-#define ETH_DATA_LEN 1500 /* Max. octets in payload */
-#define ETH_FRAME_LEN 1514 /* Max. octets in frame sans FCS */
-#endif
-
+#define TR_ALEN 6 /* Octets in one token-ring addr */
+#define TR_HLEN (sizeof(struct trh_hdr)+sizeof(struct trllc))
+#define AC 0x10
+#define LLC_FRAME 0x40