-#define SC_COMPRESS IFF_LLC0 /* compress TCP traffic */
-#define SC_NOICMP IFF_LLC1 /* supress ICMP traffic */
-#define SC_AUTOCOMP IFF_LLC2 /* auto-enable TCP compression */
-/* internal flags (should be separate) */
-#define SC_ABORT 0x10000 /* have been sent an abort request */
+#define SC_COMPRESS IFF_LINK0 /* compress TCP traffic */
+#define SC_NOICMP IFF_LINK1 /* supress ICMP traffic */
+#define SC_AUTOCOMP IFF_LINK2 /* auto-enable TCP compression */