These headers should not be included in uClibc -- they should be

part of the ppp instead.

include/net/slcompress.h

@@ -1,148 +0,0 @@
-/*
- * Definitions for tcp compression routines.
- *
- * $Id: slcompress.h,v 1.3 2001/09/27 05:21:12 andersen Exp $
- *
- * Copyright (c) 1989 Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms are permitted
- * provided that the above copyright notice and this paragraph are
- * duplicated in all such forms and that any documentation,
- * advertising materials, and other materials related to such
- * distribution and use acknowledge that the software was developed
- * by the University of California, Berkeley.  The name of the
- * University may not be used to endorse or promote products derived
- * from this software without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- *
- *	Van Jacobson (van@helios.ee.lbl.gov), Dec 31, 1989:
- *	- Initial distribution.
- */
-
-#ifndef _SLCOMPRESS_H_
-#define _SLCOMPRESS_H_
-
-#define MAX_STATES 16		/* must be > 2 and < 256 */
-#define MAX_HDR MLEN		/* XXX 4bsd-ism: should really be 128 */
-
-/*
- * Compressed packet format:
- *
- * The first octet contains the packet type (top 3 bits), TCP
- * 'push' bit, and flags that indicate which of the 4 TCP sequence
- * numbers have changed (bottom 5 bits).  The next octet is a
- * conversation number that associates a saved IP/TCP header with
- * the compressed packet.  The next two octets are the TCP checksum
- * from the original datagram.  The next 0 to 15 octets are
- * sequence number changes, one change per bit set in the header
- * (there may be no changes and there are two special cases where
- * the receiver implicitly knows what changed -- see below).
- * 
- * There are 5 numbers which can change (they are always inserted
- * in the following order): TCP urgent pointer, window,
- * acknowlegement, sequence number and IP ID.  (The urgent pointer
- * is different from the others in that its value is sent, not the
- * change in value.)  Since typical use of SLIP links is biased
- * toward small packets (see comments on MTU/MSS below), changes
- * use a variable length coding with one octet for numbers in the
- * range 1 - 255 and 3 octets (0, MSB, LSB) for numbers in the
- * range 256 - 65535 or 0.  (If the change in sequence number or
- * ack is more than 65535, an uncompressed packet is sent.)
- */
-
-/*
- * Packet types (must not conflict with IP protocol version)
- *
- * The top nibble of the first octet is the packet type.  There are
- * three possible types: IP (not proto TCP or tcp with one of the
- * control flags set); uncompressed TCP (a normal IP/TCP packet but
- * with the 8-bit protocol field replaced by an 8-bit connection id --
- * this type of packet syncs the sender & receiver); and compressed
- * TCP (described above).
- *
- * LSB of 4-bit field is TCP "PUSH" bit (a worthless anachronism) and
- * is logically part of the 4-bit "changes" field that follows.  Top
- * three bits are actual packet type.  For backward compatibility
- * and in the interest of conserving bits, numbers are chosen so the
- * IP protocol version number (4) which normally appears in this nibble
- * means "IP packet".
- */
-
-/* packet types */
-#define TYPE_IP 0x40
-#define TYPE_UNCOMPRESSED_TCP 0x70
-#define TYPE_COMPRESSED_TCP 0x80
-#define TYPE_ERROR 0x00
-
-/* Bits in first octet of compressed packet */
-#define NEW_C	0x40	/* flag bits for what changed in a packet */
-#define NEW_I	0x20
-#define NEW_S	0x08
-#define NEW_A	0x04
-#define NEW_W	0x02
-#define NEW_U	0x01
-
-/* reserved, special-case values of above */
-#define SPECIAL_I (NEW_S|NEW_W|NEW_U)		/* echoed interactive traffic */
-#define SPECIAL_D (NEW_S|NEW_A|NEW_W|NEW_U)	/* unidirectional data */
-#define SPECIALS_MASK (NEW_S|NEW_A|NEW_W|NEW_U)
-
-#define TCP_PUSH_BIT 0x10
-
-
-/*
- * "state" data for each active tcp conversation on the wire.  This is
- * basically a copy of the entire IP/TCP header from the last packet
- * we saw from the conversation together with a small identifier
- * the transmit & receive ends of the line use to locate saved header.
- */
-struct cstate {
-	struct cstate *cs_next;	/* next most recently used cstate (xmit only) */
-	u_short cs_hlen;	/* size of hdr (receive only) */
-	u_char cs_id;		/* connection # associated with this state */
-	u_char cs_filler;
-	union {
-		char csu_hdr[MAX_HDR];
-		struct ip csu_ip;	/* ip/tcp hdr from most recent packet */
-	} slcs_u;
-};
-#define cs_ip slcs_u.csu_ip
-#define cs_hdr slcs_u.csu_hdr
-
-/*
- * all the state data for one serial line (we need one of these
- * per line).
- */
-struct slcompress {
-	struct cstate *last_cs;	/* most recently used tstate */
-	u_char last_recv;	/* last rcvd conn. id */
-	u_char last_xmit;	/* last sent conn. id */
-	u_short flags;
-#ifndef SL_NO_STATS
-	int sls_packets;	/* outbound packets */
-	int sls_compressed;	/* outbound compressed packets */
-	int sls_searches;	/* searches for connection state */
-	int sls_misses;		/* times couldn't find conn. state */
-	int sls_uncompressedin;	/* inbound uncompressed packets */
-	int sls_compressedin;	/* inbound compressed packets */
-	int sls_errorin;	/* inbound unknown type packets */
-	int sls_tossed;		/* inbound packets tossed because of error */
-#endif
-	struct cstate tstate[MAX_STATES];	/* xmit connection states */
-	struct cstate rstate[MAX_STATES];	/* receive connection states */
-};
-/* flag values */
-#define SLF_TOSS 1		/* tossing rcvd frames because of input err */
-
-void	sl_compress_init __P((struct slcompress *));
-void	sl_compress_setup __P((struct slcompress *, int));
-u_int	sl_compress_tcp __P((struct mbuf *,
-	    struct ip *, struct slcompress *, int));
-int	sl_uncompress_tcp __P((u_char **, int, u_int, struct slcompress *));
-int	sl_uncompress_tcp_core __P((u_char *, int, int, u_int,
-	    struct slcompress *, u_char **, u_int *));
-
-#endif /* _SLCOMPRESS_H_ */

include/net/vjcompress.h

@@ -1,144 +0,0 @@
-/*
- * Definitions for tcp compression routines.
- *
- * $Id: vjcompress.h,v 1.3 2001/09/27 05:21:12 andersen Exp $
- *
- * Copyright (c) 1989 Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms are permitted
- * provided that the above copyright notice and this paragraph are
- * duplicated in all such forms and that any documentation,
- * advertising materials, and other materials related to such
- * distribution and use acknowledge that the software was developed
- * by the University of California, Berkeley.  The name of the
- * University may not be used to endorse or promote products derived
- * from this software without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- *
- *	Van Jacobson (van@helios.ee.lbl.gov), Dec 31, 1989:
- *	- Initial distribution.
- */
-
-#ifndef _VJCOMPRESS_H_
-#define _VJCOMPRESS_H_
-
-#define MAX_STATES 16		/* must be > 2 and < 256 */
-#define MAX_HDR	   128
-
-/*
- * Compressed packet format:
- *
- * The first octet contains the packet type (top 3 bits), TCP
- * 'push' bit, and flags that indicate which of the 4 TCP sequence
- * numbers have changed (bottom 5 bits).  The next octet is a
- * conversation number that associates a saved IP/TCP header with
- * the compressed packet.  The next two octets are the TCP checksum
- * from the original datagram.  The next 0 to 15 octets are
- * sequence number changes, one change per bit set in the header
- * (there may be no changes and there are two special cases where
- * the receiver implicitly knows what changed -- see below).
- * 
- * There are 5 numbers which can change (they are always inserted
- * in the following order): TCP urgent pointer, window,
- * acknowlegement, sequence number and IP ID.  (The urgent pointer
- * is different from the others in that its value is sent, not the
- * change in value.)  Since typical use of SLIP links is biased
- * toward small packets (see comments on MTU/MSS below), changes
- * use a variable length coding with one octet for numbers in the
- * range 1 - 255 and 3 octets (0, MSB, LSB) for numbers in the
- * range 256 - 65535 or 0.  (If the change in sequence number or
- * ack is more than 65535, an uncompressed packet is sent.)
- */
-
-/*
- * Packet types (must not conflict with IP protocol version)
- *
- * The top nibble of the first octet is the packet type.  There are
- * three possible types: IP (not proto TCP or tcp with one of the
- * control flags set); uncompressed TCP (a normal IP/TCP packet but
- * with the 8-bit protocol field replaced by an 8-bit connection id --
- * this type of packet syncs the sender & receiver); and compressed
- * TCP (described above).
- *
- * LSB of 4-bit field is TCP "PUSH" bit (a worthless anachronism) and
- * is logically part of the 4-bit "changes" field that follows.  Top
- * three bits are actual packet type.  For backward compatibility
- * and in the interest of conserving bits, numbers are chosen so the
- * IP protocol version number (4) which normally appears in this nibble
- * means "IP packet".
- */
-
-/* packet types */
-#define TYPE_IP 0x40
-#define TYPE_UNCOMPRESSED_TCP 0x70
-#define TYPE_COMPRESSED_TCP 0x80
-#define TYPE_ERROR 0x00
-
-/* Bits in first octet of compressed packet */
-#define NEW_C	0x40	/* flag bits for what changed in a packet */
-#define NEW_I	0x20
-#define NEW_S	0x08
-#define NEW_A	0x04
-#define NEW_W	0x02
-#define NEW_U	0x01
-
-/* reserved, special-case values of above */
-#define SPECIAL_I (NEW_S|NEW_W|NEW_U)		/* echoed interactive traffic */
-#define SPECIAL_D (NEW_S|NEW_A|NEW_W|NEW_U)	/* unidirectional data */
-#define SPECIALS_MASK (NEW_S|NEW_A|NEW_W|NEW_U)
-
-#define TCP_PUSH_BIT 0x10
-
-
-/*
- * "state" data for each active tcp conversation on the wire.  This is
- * basically a copy of the entire IP/TCP header from the last packet
- * we saw from the conversation together with a small identifier
- * the transmit & receive ends of the line use to locate saved header.
- */
-struct cstate {
-    struct cstate *cs_next;	/* next most recently used state (xmit only) */
-    u_short cs_hlen;		/* size of hdr (receive only) */
-    u_char cs_id;		/* connection # associated with this state */
-    u_char cs_filler;
-    union {
-	char csu_hdr[MAX_HDR];
-	struct ip csu_ip;	/* ip/tcp hdr from most recent packet */
-    } vjcs_u;
-};
-#define cs_ip vjcs_u.csu_ip
-#define cs_hdr vjcs_u.csu_hdr
-
-/*
- * all the state data for one serial line (we need one of these per line).
- */
-struct vjcompress {
-    struct cstate *last_cs;	/* most recently used tstate */
-    u_char last_recv;		/* last rcvd conn. id */
-    u_char last_xmit;		/* last sent conn. id */
-    u_short flags;
-#ifndef VJ_NO_STATS
-    struct vjstat stats;
-#endif
-    struct cstate tstate[MAX_STATES];	/* xmit connection states */
-    struct cstate rstate[MAX_STATES];	/* receive connection states */
-};
-
-/* flag values */
-#define VJF_TOSS 1		/* tossing rcvd frames because of input err */
-
-extern void  vj_compress_init __P((struct vjcompress *comp, int max_state));
-extern u_int vj_compress_tcp __P((struct ip *ip, u_int mlen,
-				struct vjcompress *comp, int compress_cid_flag,
-				u_char **vjhdrp));
-extern void  vj_uncompress_err __P((struct vjcompress *comp));
-extern int   vj_uncompress_uncomp __P((u_char *buf, int buflen,
-				struct vjcompress *comp));
-extern int   vj_uncompress_tcp __P((u_char *buf, int buflen, int total_len,
-				struct vjcompress *comp, u_char **hdrp,
-				u_int *hlenp));
-
-#endif /* _VJCOMPRESS_H_ */