/*
* ppp-comp.h - Definitions for doing PPP packet compression.
*
- * Copyright (c) 1994 The Australian National University.
- * All rights reserved.
+ * Copyright (c) 1994 Paul Mackerras. All rights reserved.
*
- * Permission to use, copy, modify, and distribute this software and its
- * documentation is hereby granted, provided that the above copyright
- * notice appears in all copies. This software is provided without any
- * warranty, express or implied. The Australian National University
- * makes no representations about the suitability of this software for
- * any purpose.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
*
- * IN NO EVENT SHALL THE AUSTRALIAN NATIONAL UNIVERSITY BE LIABLE TO ANY
- * PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
- * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
- * THE AUSTRALIAN NATIONAL UNIVERSITY HAVE BEEN ADVISED OF THE POSSIBILITY
- * OF SUCH DAMAGE.
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
*
- * THE AUSTRALIAN NATIONAL UNIVERSITY SPECIFICALLY DISCLAIMS ANY WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
- * ON AN "AS IS" BASIS, AND THE AUSTRALIAN NATIONAL UNIVERSITY HAS NO
- * OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS,
- * OR MODIFICATIONS.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
*
- * $Id: ppp-comp.h,v 1.9 1996/01/18 03:18:39 paulus Exp $
+ * 3. The name(s) of the authors of this software must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission.
+ *
+ * 4. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by Paul Mackerras
+ * <paulus@ozlabs.org>".
+ *
+ * THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO
+ * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
+ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
+ * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * $Id: ppp-comp.h,v 1.13 2002/12/06 09:49:15 paulus Exp $
*/
#ifndef _NET_PPP_COMP_H
int compress_proto; /* CCP compression protocol number */
/* Allocate space for a compressor (transmit side) */
- void *(*comp_alloc) __P((u_char *options, int opt_len));
+ void *(*comp_alloc)(u_char *options, int opt_len);
/* Free space used by a compressor */
- void (*comp_free) __P((void *state));
+ void (*comp_free)(void *state);
/* Initialize a compressor */
- int (*comp_init) __P((void *state, u_char *options, int opt_len,
- int unit, int hdrlen, int debug));
+ int (*comp_init)(void *state, u_char *options, int opt_len,
+ int unit, int hdrlen, int debug);
/* Reset a compressor */
- void (*comp_reset) __P((void *state));
+ void (*comp_reset)(void *state);
/* Compress a packet */
- int (*compress) __P((void *state, PACKETPTR *mret,
- PACKETPTR mp, int orig_len, int max_len));
+ int (*compress)(void *state, PACKETPTR *mret,
+ PACKETPTR mp, int orig_len, int max_len);
/* Return compression statistics */
- void (*comp_stat) __P((void *state, struct compstat *stats));
+ void (*comp_stat)(void *state, struct compstat *stats);
/* Allocate space for a decompressor (receive side) */
- void *(*decomp_alloc) __P((u_char *options, int opt_len));
+ void *(*decomp_alloc)(u_char *options, int opt_len);
/* Free space used by a decompressor */
- void (*decomp_free) __P((void *state));
+ void (*decomp_free)(void *state);
/* Initialize a decompressor */
- int (*decomp_init) __P((void *state, u_char *options, int opt_len,
- int unit, int hdrlen, int mru, int debug));
+ int (*decomp_init)(void *state, u_char *options, int opt_len,
+ int unit, int hdrlen, int mru, int debug);
/* Reset a decompressor */
- void (*decomp_reset) __P((void *state));
+ void (*decomp_reset)(void *state);
/* Decompress a packet. */
- int (*decompress) __P((void *state, PACKETPTR mp,
- PACKETPTR *dmpp));
+ int (*decompress)(void *state, PACKETPTR mp,
+ PACKETPTR *dmpp);
/* Update state for an incompressible packet received */
- void (*incomp) __P((void *state, PACKETPTR mp));
+ void (*incomp)(void *state, PACKETPTR mp);
/* Return decompression statistics */
- void (*decomp_stat) __P((void *state, struct compstat *stats));
+ void (*decomp_stat)(void *state, struct compstat *stats);
};
#endif /* PACKETPTR */
#define BSD_MAX_BITS 15 /* largest code size supported */
/*
- * Definitions for other, as yet unsupported, compression methods.
+ * Definitions for Deflate.
*/
-#define CI_PREDICTOR_1 1 /* config option for Predictor-1 */
-#define CILEN_PREDICTOR_1 2 /* length of its config option */
-#define CI_PREDICTOR_2 2 /* config option for Predictor-2 */
-#define CILEN_PREDICTOR_2 2 /* length of its config option */
-
-#define CI_DEFLATE 24 /* config option for Deflate */
+#define CI_DEFLATE 26 /* config option for Deflate */
+#define CI_DEFLATE_DRAFT 24 /* value used in original draft RFC */
#define CILEN_DEFLATE 4 /* length of its config option */
#define DEFLATE_MIN_SIZE 8
+ DEFLATE_METHOD_VAL)
#define DEFLATE_CHK_SEQUENCE 0
+/*
+ * Definitions for MPPE.
+ */
+#define CI_MPPE 18 /* config option for MPPE */
+#define CILEN_MPPE 6 /* length of config option */
+
+/*
+ * Definitions for other, as yet unsupported, compression methods.
+ */
+#define CI_PREDICTOR_1 1 /* config option for Predictor-1 */
+#define CILEN_PREDICTOR_1 2 /* length of its config option */
+#define CI_PREDICTOR_2 2 /* config option for Predictor-2 */
+#define CILEN_PREDICTOR_2 2 /* length of its config option */
+
#endif /* _NET_PPP_COMP_H */
projects / ppp.git / blobdiff