removed stuff that's now in ppp_defs.h

[ppp.git] / include / net / ppp-comp.h

diff --git a/include/net/ppp-comp.h b/include/net/ppp-comp.h
index aa158ed16b4b2326d97ede05786443e89ccdca04..76e5c622ca15e448cd3442bb64cae29518ca7eff 100644 (file)
--- a/include/net/ppp-comp.h
+++ b/include/net/ppp-comp.h
@@ -24,7 +24,7 @@
  * OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS,
  * OR MODIFICATIONS.
  *
- * $Id: ppp-comp.h,v 1.1 1994/08/31 23:55:58 paulus Exp $
+ * $Id: ppp-comp.h,v 1.2 1994/09/16 01:57:34 paulus Exp $
  */
 
 /*
@@ -56,12 +56,23 @@ struct compressor {
        /* Reset a decompressor */
        void    (*decomp_reset) __P((void *state));
        /* Decompress a packet. */
-       PACKET  *(*decompress) __P((void *state, PACKET *mp,
-                                        int hdroff));
+       int     (*decompress) __P((void *state, PACKET *mp, PACKET **dmpp));
        /* Update state for an incompressible packet received */
        void    (*incomp) __P((void *state, PACKET *mp));
 };
 
+/*
+ * Return values for decompress routine.
+ * We need to make these distinctions so that we can disable certain
+ * useful functionality, namely sending a CCP reset-request as a result
+ * of an error detected after decompression.  This is to avoid infringing
+ * a patent held by Motorola.
+ * Don't you just lurve software patents.
+ */
+#define DECOMP_OK              0       /* everything went OK */
+#define DECOMP_ERROR           1       /* error detected before decomp. */
+#define DECOMP_FATALERROR      2       /* error detected after decomp. */
+
 /*
  * CCP codes.
  */