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-rw-r--r--mdk-stage1/ppp/include/linux/if_ppp.h155
-rw-r--r--mdk-stage1/ppp/include/linux/if_pppvar.h138
-rw-r--r--mdk-stage1/ppp/include/linux/ppp-comp.h203
-rw-r--r--mdk-stage1/ppp/include/linux/ppp_defs.h185
-rw-r--r--mdk-stage1/ppp/include/net/if_ppp.h133
-rw-r--r--mdk-stage1/ppp/include/net/ppp-comp.h165
-rw-r--r--mdk-stage1/ppp/include/net/ppp_defs.h184
-rw-r--r--mdk-stage1/ppp/include/net/pppio.h99
-rw-r--r--mdk-stage1/ppp/include/net/slcompress.h148
-rw-r--r--mdk-stage1/ppp/include/net/vjcompress.h144
-rw-r--r--mdk-stage1/ppp/include/pcap-int.h117
11 files changed, 1671 insertions, 0 deletions
diff --git a/mdk-stage1/ppp/include/linux/if_ppp.h b/mdk-stage1/ppp/include/linux/if_ppp.h
new file mode 100644
index 000000000..1febf0931
--- /dev/null
+++ b/mdk-stage1/ppp/include/linux/if_ppp.h
@@ -0,0 +1,155 @@
+/* $Id$ */
+
+/*
+ * if_ppp.h - Point-to-Point Protocol definitions.
+ *
+ * Copyright (c) 1989 Carnegie Mellon University.
+ * 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 Carnegie Mellon University. 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.
+ *
+ */
+
+/*
+ * ==FILEVERSION 20000724==
+ *
+ * NOTE TO MAINTAINERS:
+ * If you modify this file at all, please set the above date.
+ * if_ppp.h is shipped with a PPP distribution as well as with the kernel;
+ * if everyone increases the FILEVERSION number above, then scripts
+ * can do the right thing when deciding whether to install a new if_ppp.h
+ * file. Don't change the format of that line otherwise, so the
+ * installation script can recognize it.
+ */
+
+#ifndef _IF_PPP_H_
+#define _IF_PPP_H_
+
+/*
+ * Packet sizes
+ */
+
+#define PPP_MTU 1500 /* Default MTU (size of Info field) */
+#define PPP_MAXMRU 65000 /* Largest MRU we allow */
+#define PROTO_IPX 0x002b /* protocol numbers */
+#define PROTO_DNA_RT 0x0027 /* DNA Routing */
+
+
+/*
+ * Bit definitions for flags.
+ */
+
+#define SC_COMP_PROT 0x00000001 /* protocol compression (output) */
+#define SC_COMP_AC 0x00000002 /* header compression (output) */
+#define SC_COMP_TCP 0x00000004 /* TCP (VJ) compression (output) */
+#define SC_NO_TCP_CCID 0x00000008 /* disable VJ connection-id comp. */
+#define SC_REJ_COMP_AC 0x00000010 /* reject adrs/ctrl comp. on input */
+#define SC_REJ_COMP_TCP 0x00000020 /* reject TCP (VJ) comp. on input */
+#define SC_CCP_OPEN 0x00000040 /* Look at CCP packets */
+#define SC_CCP_UP 0x00000080 /* May send/recv compressed packets */
+#define SC_ENABLE_IP 0x00000100 /* IP packets may be exchanged */
+#define SC_LOOP_TRAFFIC 0x00000200 /* send traffic to pppd */
+#define SC_MULTILINK 0x00000400 /* do multilink encapsulation */
+#define SC_MP_SHORTSEQ 0x00000800 /* use short MP sequence numbers */
+#define SC_COMP_RUN 0x00001000 /* compressor has been inited */
+#define SC_DECOMP_RUN 0x00002000 /* decompressor has been inited */
+#define SC_MP_XSHORTSEQ 0x00004000 /* transmit short MP seq numbers */
+#define SC_DEBUG 0x00010000 /* enable debug messages */
+#define SC_LOG_INPKT 0x00020000 /* log contents of good pkts recvd */
+#define SC_LOG_OUTPKT 0x00040000 /* log contents of pkts sent */
+#define SC_LOG_RAWIN 0x00080000 /* log all chars received */
+#define SC_LOG_FLUSH 0x00100000 /* log all chars flushed */
+#define SC_SYNC 0x00200000 /* synchronous serial mode */
+#define SC_MASK 0x0f200fff /* bits that user can change */
+
+/* state bits */
+#define SC_XMIT_BUSY 0x10000000 /* (used by isdn_ppp?) */
+#define SC_RCV_ODDP 0x08000000 /* have rcvd char with odd parity */
+#define SC_RCV_EVNP 0x04000000 /* have rcvd char with even parity */
+#define SC_RCV_B7_1 0x02000000 /* have rcvd char with bit 7 = 1 */
+#define SC_RCV_B7_0 0x01000000 /* have rcvd char with bit 7 = 0 */
+#define SC_DC_FERROR 0x00800000 /* fatal decomp error detected */
+#define SC_DC_ERROR 0x00400000 /* non-fatal decomp error detected */
+
+/*
+ * Ioctl definitions.
+ */
+
+struct npioctl {
+ int protocol; /* PPP protocol, e.g. PPP_IP */
+ enum NPmode mode;
+};
+
+/* Structure describing a CCP configuration option, for PPPIOCSCOMPRESS */
+struct ppp_option_data {
+ __u8 *ptr;
+ __u32 length;
+ int transmit;
+};
+
+struct ifpppstatsreq {
+ struct ifreq b;
+ struct ppp_stats stats; /* statistic information */
+};
+
+struct ifpppcstatsreq {
+ struct ifreq b;
+ struct ppp_comp_stats stats;
+};
+
+#define ifr__name b.ifr_ifrn.ifrn_name
+#define stats_ptr b.ifr_ifru.ifru_data
+
+/*
+ * Ioctl definitions.
+ */
+
+#define PPPIOCGFLAGS _IOR('t', 90, int) /* get configuration flags */
+#define PPPIOCSFLAGS _IOW('t', 89, int) /* set configuration flags */
+#define PPPIOCGASYNCMAP _IOR('t', 88, int) /* get async map */
+#define PPPIOCSASYNCMAP _IOW('t', 87, int) /* set async map */
+#define PPPIOCGUNIT _IOR('t', 86, int) /* get ppp unit number */
+#define PPPIOCGRASYNCMAP _IOR('t', 85, int) /* get receive async map */
+#define PPPIOCSRASYNCMAP _IOW('t', 84, int) /* set receive async map */
+#define PPPIOCGMRU _IOR('t', 83, int) /* get max receive unit */
+#define PPPIOCSMRU _IOW('t', 82, int) /* set max receive unit */
+#define PPPIOCSMAXCID _IOW('t', 81, int) /* set VJ max slot ID */
+#define PPPIOCGXASYNCMAP _IOR('t', 80, ext_accm) /* get extended ACCM */
+#define PPPIOCSXASYNCMAP _IOW('t', 79, ext_accm) /* set extended ACCM */
+#define PPPIOCXFERUNIT _IO('t', 78) /* transfer PPP unit */
+#define PPPIOCSCOMPRESS _IOW('t', 77, struct ppp_option_data)
+#define PPPIOCGNPMODE _IOWR('t', 76, struct npioctl) /* get NP mode */
+#define PPPIOCSNPMODE _IOW('t', 75, struct npioctl) /* set NP mode */
+#define PPPIOCSPASS _IOW('t', 71, struct sock_fprog) /* set pass filter */
+#define PPPIOCSACTIVE _IOW('t', 70, struct sock_fprog) /* set active filt */
+#define PPPIOCGDEBUG _IOR('t', 65, int) /* Read debug level */
+#define PPPIOCSDEBUG _IOW('t', 64, int) /* Set debug level */
+#define PPPIOCGIDLE _IOR('t', 63, struct ppp_idle) /* get idle time */
+#define PPPIOCNEWUNIT _IOWR('t', 62, int) /* create new ppp unit */
+#define PPPIOCATTACH _IOW('t', 61, int) /* attach to ppp unit */
+#define PPPIOCDETACH _IOW('t', 60, int) /* detach from ppp unit/chan */
+#define PPPIOCSMRRU _IOW('t', 59, int) /* set multilink MRU */
+#define PPPIOCCONNECT _IOW('t', 58, int) /* connect channel to unit */
+#define PPPIOCDISCONN _IO('t', 57) /* disconnect channel */
+#define PPPIOCATTCHAN _IOW('t', 56, int) /* attach to ppp channel */
+#define PPPIOCGCHAN _IOR('t', 55, int) /* get ppp channel number */
+
+#define SIOCGPPPSTATS (SIOCDEVPRIVATE + 0)
+#define SIOCGPPPVER (SIOCDEVPRIVATE + 1) /* NEVER change this!! */
+#define SIOCGPPPCSTATS (SIOCDEVPRIVATE + 2)
+
+#if !defined(ifr_mtu)
+#define ifr_mtu ifr_ifru.ifru_metric
+#endif
+
+#endif /* _IF_PPP_H_ */
diff --git a/mdk-stage1/ppp/include/linux/if_pppvar.h b/mdk-stage1/ppp/include/linux/if_pppvar.h
new file mode 100644
index 000000000..b2485cd9d
--- /dev/null
+++ b/mdk-stage1/ppp/include/linux/if_pppvar.h
@@ -0,0 +1,138 @@
+/* From: if_pppvar.h,v 1.2 1995/06/12 11:36:51 paulus Exp */
+/*
+ * if_pppvar.h - private structures and declarations for PPP.
+ *
+ * Copyright (c) 1994 The Australian National University.
+ * 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.
+ *
+ * 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.
+ *
+ * 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.
+ *
+ * Copyright (c) 1989 Carnegie Mellon University.
+ * 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 Carnegie Mellon University. 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.
+ */
+
+/*
+ * ==FILEVERSION 990911==
+ *
+ * NOTE TO MAINTAINERS:
+ * If you modify this file at all, please set the above date.
+ * if_pppvar.h is shipped with a PPP distribution as well as with the kernel;
+ * if everyone increases the FILEVERSION number above, then scripts
+ * can do the right thing when deciding whether to install a new if_pppvar.h
+ * file. Don't change the format of that line otherwise, so the
+ * installation script can recognize it.
+ */
+
+/*
+ * Supported network protocols. These values are used for
+ * indexing sc_npmode.
+ */
+
+#define NP_IP 0 /* Internet Protocol */
+#define NP_IPX 1 /* IPX protocol */
+#define NP_AT 2 /* Appletalk protocol */
+#define NP_IPV6 3 /* Internet Protocol */
+#define NUM_NP 4 /* Number of NPs. */
+
+#define OBUFSIZE 256 /* # chars of output buffering */
+
+/*
+ * Structure describing each ppp unit.
+ */
+
+struct ppp {
+ int magic; /* magic value for structure */
+ struct ppp *next; /* unit with next index */
+ unsigned long inuse; /* are we allocated? */
+ int line; /* network interface unit # */
+ __u32 flags; /* miscellaneous control flags */
+ int mtu; /* maximum xmit frame size */
+ int mru; /* maximum receive frame size */
+ struct slcompress *slcomp; /* for TCP header compression */
+ struct sk_buff_head xmt_q; /* frames to send from pppd */
+ struct sk_buff_head rcv_q; /* frames for pppd to read */
+ unsigned long xmit_busy; /* bit 0 set when xmitter busy */
+
+ /* Information specific to using ppp on async serial lines. */
+ struct tty_struct *tty; /* ptr to TTY structure */
+ struct tty_struct *backup_tty; /* TTY to use if tty gets closed */
+ __u8 escape; /* 0x20 if prev char was PPP_ESC */
+ __u8 toss; /* toss this frame */
+ volatile __u8 tty_pushing; /* internal state flag */
+ volatile __u8 woke_up; /* internal state flag */
+ __u32 xmit_async_map[8]; /* 1 bit means that given control
+ character is quoted on output*/
+ __u32 recv_async_map; /* 1 bit means that given control
+ character is ignored on input*/
+ __u32 bytes_sent; /* Bytes sent on frame */
+ __u32 bytes_rcvd; /* Bytes recvd on frame */
+
+ /* Async transmission information */
+ struct sk_buff *tpkt; /* frame currently being sent */
+ int tpkt_pos; /* how much of it we've done */
+ __u16 tfcs; /* FCS so far for it */
+ unsigned char *optr; /* where we're up to in sending */
+ unsigned char *olim; /* points past last valid char */
+
+ /* Async reception information */
+ struct sk_buff *rpkt; /* frame currently being rcvd */
+ __u16 rfcs; /* FCS so far of rpkt */
+
+ /* Queues for select() functionality */
+ struct wait_queue *read_wait; /* queue for reading processes */
+
+ /* info for detecting idle channels */
+ unsigned long last_xmit; /* time of last transmission */
+ unsigned long last_recv; /* time last packet received */
+
+ /* Statistic information */
+ struct pppstat stats; /* statistic information */
+
+ /* PPP compression protocol information */
+ struct compressor *sc_xcomp; /* transmit compressor */
+ void *sc_xc_state; /* transmit compressor state */
+ struct compressor *sc_rcomp; /* receive decompressor */
+ void *sc_rc_state; /* receive decompressor state */
+
+ enum NPmode sc_npmode[NUM_NP]; /* what to do with each NP */
+ int sc_xfer; /* PID of reserved PPP table */
+ char name[8]; /* space for unit name */
+ struct device dev; /* net device structure */
+ struct enet_statistics estats; /* more detailed stats */
+
+ /* tty output buffer */
+ unsigned char obuf[OBUFSIZE]; /* buffer for characters to send */
+};
+
+#define PPP_MAGIC 0x5002
+#define PPP_VERSION "2.3.11"
diff --git a/mdk-stage1/ppp/include/linux/ppp-comp.h b/mdk-stage1/ppp/include/linux/ppp-comp.h
new file mode 100644
index 000000000..3184d0731
--- /dev/null
+++ b/mdk-stage1/ppp/include/linux/ppp-comp.h
@@ -0,0 +1,203 @@
+/*
+ * ppp-comp.h - Definitions for doing PPP packet compression.
+ *
+ * Copyright (c) 1994 The Australian National University.
+ * 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.
+ *
+ * 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.
+ *
+ * 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.
+ *
+ * $Id$
+ */
+
+/*
+ * ==FILEVERSION 980319==
+ *
+ * NOTE TO MAINTAINERS:
+ * If you modify this file at all, please set the above date.
+ * ppp-comp.h is shipped with a PPP distribution as well as with the kernel;
+ * if everyone increases the FILEVERSION number above, then scripts
+ * can do the right thing when deciding whether to install a new ppp-comp.h
+ * file. Don't change the format of that line otherwise, so the
+ * installation script can recognize it.
+ */
+
+#ifndef _NET_PPP_COMP_H
+#define _NET_PPP_COMP_H
+
+/*
+ * The following symbols control whether we include code for
+ * various compression methods.
+ */
+
+#ifndef DO_BSD_COMPRESS
+#define DO_BSD_COMPRESS 1 /* by default, include BSD-Compress */
+#endif
+#ifndef DO_DEFLATE
+#define DO_DEFLATE 1 /* by default, include Deflate */
+#endif
+#define DO_PREDICTOR_1 0
+#define DO_PREDICTOR_2 0
+
+/*
+ * Structure giving methods for compression/decompression.
+ */
+
+struct compressor {
+ int compress_proto; /* CCP compression protocol number */
+
+ /* Allocate space for a compressor (transmit side) */
+ void *(*comp_alloc) (unsigned char *options, int opt_len);
+
+ /* Free space used by a compressor */
+ void (*comp_free) (void *state);
+
+ /* Initialize a compressor */
+ int (*comp_init) (void *state, unsigned char *options,
+ int opt_len, int unit, int opthdr, int debug);
+
+ /* Reset a compressor */
+ void (*comp_reset) (void *state);
+
+ /* Compress a packet */
+ int (*compress) (void *state, unsigned char *rptr,
+ unsigned char *obuf, int isize, int osize);
+
+ /* Return compression statistics */
+ void (*comp_stat) (void *state, struct compstat *stats);
+
+ /* Allocate space for a decompressor (receive side) */
+ void *(*decomp_alloc) (unsigned char *options, int opt_len);
+
+ /* Free space used by a decompressor */
+ void (*decomp_free) (void *state);
+
+ /* Initialize a decompressor */
+ int (*decomp_init) (void *state, unsigned char *options,
+ int opt_len, int unit, int opthdr, int mru,
+ int debug);
+
+ /* Reset a decompressor */
+ void (*decomp_reset) (void *state);
+
+ /* Decompress a packet. */
+ int (*decompress) (void *state, unsigned char *ibuf, int isize,
+ unsigned char *obuf, int osize);
+
+ /* Update state for an incompressible packet received */
+ void (*incomp) (void *state, unsigned char *ibuf, int icnt);
+
+ /* Return decompression statistics */
+ void (*decomp_stat) (void *state, struct compstat *stats);
+};
+
+/*
+ * The return value from decompress routine is the length of the
+ * decompressed packet if successful, otherwise DECOMP_ERROR
+ * or DECOMP_FATALERROR if an error occurred.
+ *
+ * We need to make this distinction 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_ERROR -1 /* error detected before decomp. */
+#define DECOMP_FATALERROR -2 /* error detected after decomp. */
+
+/*
+ * CCP codes.
+ */
+
+#define CCP_CONFREQ 1
+#define CCP_CONFACK 2
+#define CCP_TERMREQ 5
+#define CCP_TERMACK 6
+#define CCP_RESETREQ 14
+#define CCP_RESETACK 15
+
+/*
+ * Max # bytes for a CCP option
+ */
+
+#define CCP_MAX_OPTION_LENGTH 32
+
+/*
+ * Parts of a CCP packet.
+ */
+
+#define CCP_CODE(dp) ((dp)[0])
+#define CCP_ID(dp) ((dp)[1])
+#define CCP_LENGTH(dp) (((dp)[2] << 8) + (dp)[3])
+#define CCP_HDRLEN 4
+
+#define CCP_OPT_CODE(dp) ((dp)[0])
+#define CCP_OPT_LENGTH(dp) ((dp)[1])
+#define CCP_OPT_MINLEN 2
+
+/*
+ * Definitions for BSD-Compress.
+ */
+
+#define CI_BSD_COMPRESS 21 /* config. option for BSD-Compress */
+#define CILEN_BSD_COMPRESS 3 /* length of config. option */
+
+/* Macros for handling the 3rd byte of the BSD-Compress config option. */
+#define BSD_NBITS(x) ((x) & 0x1F) /* number of bits requested */
+#define BSD_VERSION(x) ((x) >> 5) /* version of option format */
+#define BSD_CURRENT_VERSION 1 /* current version number */
+#define BSD_MAKE_OPT(v, n) (((v) << 5) | (n))
+
+#define BSD_MIN_BITS 9 /* smallest code size supported */
+#define BSD_MAX_BITS 15 /* largest code size supported */
+
+/*
+ * Definitions 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
+#define DEFLATE_MAX_SIZE 15
+#define DEFLATE_METHOD_VAL 8
+#define DEFLATE_SIZE(x) (((x) >> 4) + DEFLATE_MIN_SIZE)
+#define DEFLATE_METHOD(x) ((x) & 0x0F)
+#define DEFLATE_MAKE_OPT(w) ((((w) - DEFLATE_MIN_SIZE) << 4) \
+ + DEFLATE_METHOD_VAL)
+#define DEFLATE_CHK_SEQUENCE 0
+
+/*
+ * 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 */
+
+#ifdef __KERNEL__
+extern int ppp_register_compressor(struct compressor *);
+extern void ppp_unregister_compressor(struct compressor *);
+#endif /* __KERNEL__ */
+
+#endif /* _NET_PPP_COMP_H */
diff --git a/mdk-stage1/ppp/include/linux/ppp_defs.h b/mdk-stage1/ppp/include/linux/ppp_defs.h
new file mode 100644
index 000000000..46946fbdc
--- /dev/null
+++ b/mdk-stage1/ppp/include/linux/ppp_defs.h
@@ -0,0 +1,185 @@
+/* $Id$ */
+
+/*
+ * ppp_defs.h - PPP definitions.
+ *
+ * Copyright (c) 1994 The Australian National University.
+ * 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.
+ *
+ * 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.
+ *
+ * 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.
+ */
+
+/*
+ * ==FILEVERSION 20000114==
+ *
+ * NOTE TO MAINTAINERS:
+ * If you modify this file at all, please set the above date.
+ * ppp_defs.h is shipped with a PPP distribution as well as with the kernel;
+ * if everyone increases the FILEVERSION number above, then scripts
+ * can do the right thing when deciding whether to install a new ppp_defs.h
+ * file. Don't change the format of that line otherwise, so the
+ * installation script can recognize it.
+ */
+
+#ifndef _PPP_DEFS_H_
+#define _PPP_DEFS_H_
+
+/*
+ * The basic PPP frame.
+ */
+#define PPP_HDRLEN 4 /* octets for standard ppp header */
+#define PPP_FCSLEN 2 /* octets for FCS */
+#define PPP_MRU 1500 /* default MRU = max length of info field */
+
+#define PPP_ADDRESS(p) (((__u8 *)(p))[0])
+#define PPP_CONTROL(p) (((__u8 *)(p))[1])
+#define PPP_PROTOCOL(p) ((((__u8 *)(p))[2] << 8) + ((__u8 *)(p))[3])
+
+/*
+ * Significant octet values.
+ */
+#define PPP_ALLSTATIONS 0xff /* All-Stations broadcast address */
+#define PPP_UI 0x03 /* Unnumbered Information */
+#define PPP_FLAG 0x7e /* Flag Sequence */
+#define PPP_ESCAPE 0x7d /* Asynchronous Control Escape */
+#define PPP_TRANS 0x20 /* Asynchronous transparency modifier */
+
+/*
+ * Protocol field values.
+ */
+#define PPP_IP 0x21 /* Internet Protocol */
+#define PPP_AT 0x29 /* AppleTalk Protocol */
+#define PPP_IPX 0x2b /* IPX protocol */
+#define PPP_VJC_COMP 0x2d /* VJ compressed TCP */
+#define PPP_VJC_UNCOMP 0x2f /* VJ uncompressed TCP */
+#define PPP_MP 0x3d /* Multilink protocol */
+#define PPP_IPV6 0x57 /* Internet Protocol Version 6 */
+#define PPP_COMPFRAG 0xfb /* fragment compressed below bundle */
+#define PPP_COMP 0xfd /* compressed packet */
+#define PPP_IPCP 0x8021 /* IP Control Protocol */
+#define PPP_ATCP 0x8029 /* AppleTalk Control Protocol */
+#define PPP_IPXCP 0x802b /* IPX Control Protocol */
+#define PPP_IPV6CP 0x8057 /* IPv6 Control Protocol */
+#define PPP_CCPFRAG 0x80fb /* CCP at link level (below MP bundle) */
+#define PPP_CCP 0x80fd /* Compression Control Protocol */
+#define PPP_LCP 0xc021 /* Link Control Protocol */
+#define PPP_PAP 0xc023 /* Password Authentication Protocol */
+#define PPP_LQR 0xc025 /* Link Quality Report protocol */
+#define PPP_CHAP 0xc223 /* Cryptographic Handshake Auth. Protocol */
+#define PPP_CBCP 0xc029 /* Callback Control Protocol */
+
+/*
+ * Values for FCS calculations.
+ */
+
+#define PPP_INITFCS 0xffff /* Initial FCS value */
+#define PPP_GOODFCS 0xf0b8 /* Good final FCS value */
+#define PPP_FCS(fcs, c) (((fcs) >> 8) ^ fcstab[((fcs) ^ (c)) & 0xff])
+
+/*
+ * Extended asyncmap - allows any character to be escaped.
+ */
+
+typedef __u32 ext_accm[8];
+
+/*
+ * What to do with network protocol (NP) packets.
+ */
+enum NPmode {
+ NPMODE_PASS, /* pass the packet through */
+ NPMODE_DROP, /* silently drop the packet */
+ NPMODE_ERROR, /* return an error */
+ NPMODE_QUEUE /* save it up for later. */
+};
+
+/*
+ * Statistics for LQRP and pppstats
+ */
+struct pppstat {
+ __u32 ppp_discards; /* # frames discarded */
+
+ __u32 ppp_ibytes; /* bytes received */
+ __u32 ppp_ioctects; /* bytes received not in error */
+ __u32 ppp_ipackets; /* packets received */
+ __u32 ppp_ierrors; /* receive errors */
+ __u32 ppp_ilqrs; /* # LQR frames received */
+
+ __u32 ppp_obytes; /* raw bytes sent */
+ __u32 ppp_ooctects; /* frame bytes sent */
+ __u32 ppp_opackets; /* packets sent */
+ __u32 ppp_oerrors; /* transmit errors */
+ __u32 ppp_olqrs; /* # LQR frames sent */
+};
+
+struct vjstat {
+ __u32 vjs_packets; /* outbound packets */
+ __u32 vjs_compressed; /* outbound compressed packets */
+ __u32 vjs_searches; /* searches for connection state */
+ __u32 vjs_misses; /* times couldn't find conn. state */
+ __u32 vjs_uncompressedin; /* inbound uncompressed packets */
+ __u32 vjs_compressedin; /* inbound compressed packets */
+ __u32 vjs_errorin; /* inbound unknown type packets */
+ __u32 vjs_tossed; /* inbound packets tossed because of error */
+};
+
+struct compstat {
+ __u32 unc_bytes; /* total uncompressed bytes */
+ __u32 unc_packets; /* total uncompressed packets */
+ __u32 comp_bytes; /* compressed bytes */
+ __u32 comp_packets; /* compressed packets */
+ __u32 inc_bytes; /* incompressible bytes */
+ __u32 inc_packets; /* incompressible packets */
+
+ /* the compression ratio is defined as in_count / bytes_out */
+ __u32 in_count; /* Bytes received */
+ __u32 bytes_out; /* Bytes transmitted */
+
+ double ratio; /* not computed in kernel. */
+};
+
+struct ppp_stats {
+ struct pppstat p; /* basic PPP statistics */
+ struct vjstat vj; /* VJ header compression statistics */
+};
+
+struct ppp_comp_stats {
+ struct compstat c; /* packet compression statistics */
+ struct compstat d; /* packet decompression statistics */
+};
+
+/*
+ * The following structure records the time in seconds since
+ * the last NP packet was sent or received.
+ */
+struct ppp_idle {
+ time_t xmit_idle; /* time since last NP packet sent */
+ time_t recv_idle; /* time since last NP packet received */
+};
+
+#ifndef __P
+#ifdef __STDC__
+#define __P(x) x
+#else
+#define __P(x) ()
+#endif
+#endif
+
+#endif /* _PPP_DEFS_H_ */
diff --git a/mdk-stage1/ppp/include/net/if_ppp.h b/mdk-stage1/ppp/include/net/if_ppp.h
new file mode 100644
index 000000000..1527ecf3f
--- /dev/null
+++ b/mdk-stage1/ppp/include/net/if_ppp.h
@@ -0,0 +1,133 @@
+/* $Id$ */
+
+/*
+ * if_ppp.h - Point-to-Point Protocol definitions.
+ *
+ * Copyright (c) 1989 Carnegie Mellon University.
+ * 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 Carnegie Mellon University. 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.
+ */
+
+#ifndef _IF_PPP_H_
+#define _IF_PPP_H_
+
+/*
+ * Bit definitions for flags.
+ */
+#define SC_COMP_PROT 0x00000001 /* protocol compression (output) */
+#define SC_COMP_AC 0x00000002 /* header compression (output) */
+#define SC_COMP_TCP 0x00000004 /* TCP (VJ) compression (output) */
+#define SC_NO_TCP_CCID 0x00000008 /* disable VJ connection-id comp. */
+#define SC_REJ_COMP_AC 0x00000010 /* reject adrs/ctrl comp. on input */
+#define SC_REJ_COMP_TCP 0x00000020 /* reject TCP (VJ) comp. on input */
+#define SC_CCP_OPEN 0x00000040 /* Look at CCP packets */
+#define SC_CCP_UP 0x00000080 /* May send/recv compressed packets */
+#define SC_DEBUG 0x00010000 /* enable debug messages */
+#define SC_LOG_INPKT 0x00020000 /* log contents of good pkts recvd */
+#define SC_LOG_OUTPKT 0x00040000 /* log contents of pkts sent */
+#define SC_LOG_RAWIN 0x00080000 /* log all chars received */
+#define SC_LOG_FLUSH 0x00100000 /* log all chars flushed */
+#define SC_RCV_B7_0 0x01000000 /* have rcvd char with bit 7 = 0 */
+#define SC_RCV_B7_1 0x02000000 /* have rcvd char with bit 7 = 1 */
+#define SC_RCV_EVNP 0x04000000 /* have rcvd char with even parity */
+#define SC_RCV_ODDP 0x08000000 /* have rcvd char with odd parity */
+#define SC_SYNC 0x00200000 /* use synchronous HDLC framing */
+#define SC_MASK 0x0fff00ff /* bits that user can change */
+
+/*
+ * State bits in sc_flags, not changeable by user.
+ */
+#define SC_TIMEOUT 0x00000400 /* timeout is currently pending */
+#define SC_VJ_RESET 0x00000800 /* need to reset VJ decomp */
+#define SC_COMP_RUN 0x00001000 /* compressor has been inited */
+#define SC_DECOMP_RUN 0x00002000 /* decompressor has been inited */
+#define SC_DC_ERROR 0x00004000 /* non-fatal decomp error detected */
+#define SC_DC_FERROR 0x00008000 /* fatal decomp error detected */
+#define SC_TBUSY 0x10000000 /* xmitter doesn't need a packet yet */
+#define SC_PKTLOST 0x20000000 /* have lost or dropped a packet */
+#define SC_FLUSH 0x40000000 /* flush input until next PPP_FLAG */
+#define SC_ESCAPED 0x80000000 /* saw a PPP_ESCAPE */
+
+/*
+ * Ioctl definitions.
+ */
+
+struct npioctl {
+ int protocol; /* PPP procotol, e.g. PPP_IP */
+ enum NPmode mode;
+};
+
+/* Structure describing a CCP configuration option, for PPPIOCSCOMPRESS */
+struct ppp_option_data {
+ u_char *ptr;
+ u_int length;
+ int transmit;
+};
+
+struct ifpppstatsreq {
+ char ifr_name[IFNAMSIZ];
+ struct ppp_stats stats;
+};
+
+struct ifpppcstatsreq {
+ char ifr_name[IFNAMSIZ];
+ struct ppp_comp_stats stats;
+};
+
+/*
+ * Ioctl definitions.
+ */
+
+#define PPPIOCGFLAGS _IOR('t', 90, int) /* get configuration flags */
+#define PPPIOCSFLAGS _IOW('t', 89, int) /* set configuration flags */
+#define PPPIOCGASYNCMAP _IOR('t', 88, int) /* get async map */
+#define PPPIOCSASYNCMAP _IOW('t', 87, int) /* set async map */
+#define PPPIOCGUNIT _IOR('t', 86, int) /* get ppp unit number */
+#define PPPIOCGRASYNCMAP _IOR('t', 85, int) /* get receive async map */
+#define PPPIOCSRASYNCMAP _IOW('t', 84, int) /* set receive async map */
+#define PPPIOCGMRU _IOR('t', 83, int) /* get max receive unit */
+#define PPPIOCSMRU _IOW('t', 82, int) /* set max receive unit */
+#define PPPIOCSMAXCID _IOW('t', 81, int) /* set VJ max slot ID */
+#define PPPIOCGXASYNCMAP _IOR('t', 80, ext_accm) /* get extended ACCM */
+#define PPPIOCSXASYNCMAP _IOW('t', 79, ext_accm) /* set extended ACCM */
+#define PPPIOCXFERUNIT _IO('t', 78) /* transfer PPP unit */
+#define PPPIOCSCOMPRESS _IOW('t', 77, struct ppp_option_data)
+#define PPPIOCGNPMODE _IOWR('t', 76, struct npioctl) /* get NP mode */
+#define PPPIOCSNPMODE _IOW('t', 75, struct npioctl) /* set NP mode */
+#define PPPIOCGIDLE _IOR('t', 74, struct ppp_idle) /* get idle time */
+#ifdef PPP_FILTER
+#define PPPIOCSPASS _IOW('t', 71, struct bpf_program) /* set pass filter */
+#define PPPIOCSACTIVE _IOW('t', 70, struct bpf_program) /* set active filt */
+#endif /* PPP_FILTER */
+
+/* PPPIOC[GS]MTU are alternatives to SIOC[GS]IFMTU, used under Ultrix */
+#define PPPIOCGMTU _IOR('t', 73, int) /* get interface MTU */
+#define PPPIOCSMTU _IOW('t', 72, int) /* set interface MTU */
+
+/*
+ * These two are interface ioctls so that pppstats can do them on
+ * a socket without having to open the serial device.
+ */
+#define SIOCGPPPSTATS _IOWR('i', 123, struct ifpppstatsreq)
+#define SIOCGPPPCSTATS _IOWR('i', 122, struct ifpppcstatsreq)
+
+#if !defined(ifr_mtu)
+#define ifr_mtu ifr_ifru.ifru_metric
+#endif
+
+#if (defined(_KERNEL) || defined(KERNEL)) && !defined(NeXT)
+void pppattach __P((void));
+void pppintr __P((void));
+#endif
+#endif /* _IF_PPP_H_ */
diff --git a/mdk-stage1/ppp/include/net/ppp-comp.h b/mdk-stage1/ppp/include/net/ppp-comp.h
new file mode 100644
index 000000000..0e6a9c672
--- /dev/null
+++ b/mdk-stage1/ppp/include/net/ppp-comp.h
@@ -0,0 +1,165 @@
+/*
+ * ppp-comp.h - Definitions for doing PPP packet compression.
+ *
+ * Copyright (c) 1994 The Australian National University.
+ * 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.
+ *
+ * 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.
+ *
+ * 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.
+ *
+ * $Id$
+ */
+
+#ifndef _NET_PPP_COMP_H
+#define _NET_PPP_COMP_H
+
+/*
+ * The following symbols control whether we include code for
+ * various compression methods.
+ */
+#ifndef DO_BSD_COMPRESS
+#define DO_BSD_COMPRESS 1 /* by default, include BSD-Compress */
+#endif
+#ifndef DO_DEFLATE
+#define DO_DEFLATE 1 /* by default, include Deflate */
+#endif
+#define DO_PREDICTOR_1 0
+#define DO_PREDICTOR_2 0
+
+/*
+ * Structure giving methods for compression/decompression.
+ */
+#ifdef PACKETPTR
+struct compressor {
+ int compress_proto; /* CCP compression protocol number */
+
+ /* Allocate space for a compressor (transmit side) */
+ void *(*comp_alloc) __P((u_char *options, int opt_len));
+ /* Free space used by a compressor */
+ void (*comp_free) __P((void *state));
+ /* Initialize a compressor */
+ int (*comp_init) __P((void *state, u_char *options, int opt_len,
+ int unit, int hdrlen, int debug));
+ /* Reset a compressor */
+ void (*comp_reset) __P((void *state));
+ /* Compress a packet */
+ int (*compress) __P((void *state, PACKETPTR *mret,
+ PACKETPTR mp, int orig_len, int max_len));
+ /* Return compression statistics */
+ void (*comp_stat) __P((void *state, struct compstat *stats));
+
+ /* Allocate space for a decompressor (receive side) */
+ void *(*decomp_alloc) __P((u_char *options, int opt_len));
+ /* Free space used by a decompressor */
+ void (*decomp_free) __P((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));
+ /* Reset a decompressor */
+ void (*decomp_reset) __P((void *state));
+ /* Decompress a packet. */
+ int (*decompress) __P((void *state, PACKETPTR mp,
+ PACKETPTR *dmpp));
+ /* Update state for an incompressible packet received */
+ void (*incomp) __P((void *state, PACKETPTR mp));
+ /* Return decompression statistics */
+ void (*decomp_stat) __P((void *state, struct compstat *stats));
+};
+#endif /* PACKETPTR */
+
+/*
+ * 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.
+ */
+#define CCP_CONFREQ 1
+#define CCP_CONFACK 2
+#define CCP_TERMREQ 5
+#define CCP_TERMACK 6
+#define CCP_RESETREQ 14
+#define CCP_RESETACK 15
+
+/*
+ * Max # bytes for a CCP option
+ */
+#define CCP_MAX_OPTION_LENGTH 32
+
+/*
+ * Parts of a CCP packet.
+ */
+#define CCP_CODE(dp) ((dp)[0])
+#define CCP_ID(dp) ((dp)[1])
+#define CCP_LENGTH(dp) (((dp)[2] << 8) + (dp)[3])
+#define CCP_HDRLEN 4
+
+#define CCP_OPT_CODE(dp) ((dp)[0])
+#define CCP_OPT_LENGTH(dp) ((dp)[1])
+#define CCP_OPT_MINLEN 2
+
+/*
+ * Definitions for BSD-Compress.
+ */
+#define CI_BSD_COMPRESS 21 /* config. option for BSD-Compress */
+#define CILEN_BSD_COMPRESS 3 /* length of config. option */
+
+/* Macros for handling the 3rd byte of the BSD-Compress config option. */
+#define BSD_NBITS(x) ((x) & 0x1F) /* number of bits requested */
+#define BSD_VERSION(x) ((x) >> 5) /* version of option format */
+#define BSD_CURRENT_VERSION 1 /* current version number */
+#define BSD_MAKE_OPT(v, n) (((v) << 5) | (n))
+
+#define BSD_MIN_BITS 9 /* smallest code size supported */
+#define BSD_MAX_BITS 15 /* largest code size supported */
+
+/*
+ * Definitions 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
+#define DEFLATE_MAX_SIZE 15
+#define DEFLATE_METHOD_VAL 8
+#define DEFLATE_SIZE(x) (((x) >> 4) + DEFLATE_MIN_SIZE)
+#define DEFLATE_METHOD(x) ((x) & 0x0F)
+#define DEFLATE_MAKE_OPT(w) ((((w) - DEFLATE_MIN_SIZE) << 4) \
+ + DEFLATE_METHOD_VAL)
+#define DEFLATE_CHK_SEQUENCE 0
+
+/*
+ * 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 */
diff --git a/mdk-stage1/ppp/include/net/ppp_defs.h b/mdk-stage1/ppp/include/net/ppp_defs.h
new file mode 100644
index 000000000..c35020eab
--- /dev/null
+++ b/mdk-stage1/ppp/include/net/ppp_defs.h
@@ -0,0 +1,184 @@
+/* $Id$ */
+
+/*
+ * ppp_defs.h - PPP definitions.
+ *
+ * Copyright (c) 1994 The Australian National University.
+ * 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.
+ *
+ * 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.
+ *
+ * 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.
+ */
+
+#ifndef _PPP_DEFS_H_
+#define _PPP_DEFS_H_
+
+/*
+ * The basic PPP frame.
+ */
+#define PPP_HDRLEN 4 /* octets for standard ppp header */
+#define PPP_FCSLEN 2 /* octets for FCS */
+
+/*
+ * Packet sizes
+ *
+ * Note - lcp shouldn't be allowed to negotiate stuff outside these
+ * limits. See lcp.h in the pppd directory.
+ * (XXX - these constants should simply be shared by lcp.c instead
+ * of living in lcp.h)
+ */
+#define PPP_MTU 1500 /* Default MTU (size of Info field) */
+#define PPP_MAXMTU 65535 - (PPP_HDRLEN + PPP_FCSLEN)
+#define PPP_MINMTU 64
+#define PPP_MRU 1500 /* default MRU = max length of info field */
+#define PPP_MAXMRU 65000 /* Largest MRU we allow */
+#define PPP_MINMRU 128
+
+#define PPP_ADDRESS(p) (((u_char *)(p))[0])
+#define PPP_CONTROL(p) (((u_char *)(p))[1])
+#define PPP_PROTOCOL(p) ((((u_char *)(p))[2] << 8) + ((u_char *)(p))[3])
+
+/*
+ * Significant octet values.
+ */
+#define PPP_ALLSTATIONS 0xff /* All-Stations broadcast address */
+#define PPP_UI 0x03 /* Unnumbered Information */
+#define PPP_FLAG 0x7e /* Flag Sequence */
+#define PPP_ESCAPE 0x7d /* Asynchronous Control Escape */
+#define PPP_TRANS 0x20 /* Asynchronous transparency modifier */
+
+/*
+ * Protocol field values.
+ */
+#define PPP_IP 0x21 /* Internet Protocol */
+#define PPP_AT 0x29 /* AppleTalk Protocol */
+#define PPP_IPX 0x2b /* IPX protocol */
+#define PPP_VJC_COMP 0x2d /* VJ compressed TCP */
+#define PPP_VJC_UNCOMP 0x2f /* VJ uncompressed TCP */
+#define PPP_IPV6 0x57 /* Internet Protocol Version 6 */
+#define PPP_COMP 0xfd /* compressed packet */
+#define PPP_IPCP 0x8021 /* IP Control Protocol */
+#define PPP_ATCP 0x8029 /* AppleTalk Control Protocol */
+#define PPP_IPXCP 0x802b /* IPX Control Protocol */
+#define PPP_IPV6CP 0x8057 /* IPv6 Control Protocol */
+#define PPP_CCP 0x80fd /* Compression Control Protocol */
+#define PPP_LCP 0xc021 /* Link Control Protocol */
+#define PPP_PAP 0xc023 /* Password Authentication Protocol */
+#define PPP_LQR 0xc025 /* Link Quality Report protocol */
+#define PPP_CHAP 0xc223 /* Cryptographic Handshake Auth. Protocol */
+#define PPP_CBCP 0xc029 /* Callback Control Protocol */
+
+/*
+ * Values for FCS calculations.
+ */
+#define PPP_INITFCS 0xffff /* Initial FCS value */
+#define PPP_GOODFCS 0xf0b8 /* Good final FCS value */
+#define PPP_FCS(fcs, c) (((fcs) >> 8) ^ fcstab[((fcs) ^ (c)) & 0xff])
+
+/*
+ * A 32-bit unsigned integral type.
+ */
+
+#if !defined(__BIT_TYPES_DEFINED__) && !defined(_BITYPES) \
+ && !defined(__FreeBSD__) && (NS_TARGET < 40)
+#ifdef UINT32_T
+typedef UINT32_T u_int32_t;
+#else
+typedef unsigned int u_int32_t;
+typedef unsigned short u_int16_t;
+#endif
+#endif
+
+/*
+ * Extended asyncmap - allows any character to be escaped.
+ */
+typedef u_int32_t ext_accm[8];
+
+/*
+ * What to do with network protocol (NP) packets.
+ */
+enum NPmode {
+ NPMODE_PASS, /* pass the packet through */
+ NPMODE_DROP, /* silently drop the packet */
+ NPMODE_ERROR, /* return an error */
+ NPMODE_QUEUE /* save it up for later. */
+};
+
+/*
+ * Statistics.
+ */
+struct pppstat {
+ unsigned int ppp_ibytes; /* bytes received */
+ unsigned int ppp_ipackets; /* packets received */
+ unsigned int ppp_ierrors; /* receive errors */
+ unsigned int ppp_obytes; /* bytes sent */
+ unsigned int ppp_opackets; /* packets sent */
+ unsigned int ppp_oerrors; /* transmit errors */
+};
+
+struct vjstat {
+ unsigned int vjs_packets; /* outbound packets */
+ unsigned int vjs_compressed; /* outbound compressed packets */
+ unsigned int vjs_searches; /* searches for connection state */
+ unsigned int vjs_misses; /* times couldn't find conn. state */
+ unsigned int vjs_uncompressedin; /* inbound uncompressed packets */
+ unsigned int vjs_compressedin; /* inbound compressed packets */
+ unsigned int vjs_errorin; /* inbound unknown type packets */
+ unsigned int vjs_tossed; /* inbound packets tossed because of error */
+};
+
+struct ppp_stats {
+ struct pppstat p; /* basic PPP statistics */
+ struct vjstat vj; /* VJ header compression statistics */
+};
+
+struct compstat {
+ unsigned int unc_bytes; /* total uncompressed bytes */
+ unsigned int unc_packets; /* total uncompressed packets */
+ unsigned int comp_bytes; /* compressed bytes */
+ unsigned int comp_packets; /* compressed packets */
+ unsigned int inc_bytes; /* incompressible bytes */
+ unsigned int inc_packets; /* incompressible packets */
+ unsigned int ratio; /* recent compression ratio << 8 */
+};
+
+struct ppp_comp_stats {
+ struct compstat c; /* packet compression statistics */
+ struct compstat d; /* packet decompression statistics */
+};
+
+/*
+ * The following structure records the time in seconds since
+ * the last NP packet was sent or received.
+ */
+struct ppp_idle {
+ time_t xmit_idle; /* time since last NP packet sent */
+ time_t recv_idle; /* time since last NP packet received */
+};
+
+#ifndef __P
+#ifdef __STDC__
+#define __P(x) x
+#else
+#define __P(x) ()
+#endif
+#endif
+
+#endif /* _PPP_DEFS_H_ */
diff --git a/mdk-stage1/ppp/include/net/pppio.h b/mdk-stage1/ppp/include/net/pppio.h
new file mode 100644
index 000000000..9db1ca9ab
--- /dev/null
+++ b/mdk-stage1/ppp/include/net/pppio.h
@@ -0,0 +1,99 @@
+/*
+ * pppio.h - ioctl and other misc. definitions for STREAMS modules.
+ *
+ * Copyright (c) 1994 The Australian National University.
+ * 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.
+ *
+ * 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.
+ *
+ * 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.
+ *
+ * $Id$
+ */
+
+#define _PPPIO(n) (('p' << 8) + (n))
+
+#define PPPIO_NEWPPA _PPPIO(130) /* allocate a new PPP unit */
+#define PPPIO_GETSTAT _PPPIO(131) /* get PPP statistics */
+#define PPPIO_GETCSTAT _PPPIO(132) /* get PPP compression stats */
+#define PPPIO_MTU _PPPIO(133) /* set max transmission unit */
+#define PPPIO_MRU _PPPIO(134) /* set max receive unit */
+#define PPPIO_CFLAGS _PPPIO(135) /* set/clear/get compression flags */
+#define PPPIO_XCOMP _PPPIO(136) /* alloc transmit compressor */
+#define PPPIO_RCOMP _PPPIO(137) /* alloc receive decompressor */
+#define PPPIO_XACCM _PPPIO(138) /* set transmit asyncmap */
+#define PPPIO_RACCM _PPPIO(139) /* set receive asyncmap */
+#define PPPIO_VJINIT _PPPIO(140) /* initialize VJ comp/decomp */
+#define PPPIO_ATTACH _PPPIO(141) /* attach to a ppa (without putmsg) */
+#define PPPIO_LASTMOD _PPPIO(142) /* mark last ppp module */
+#define PPPIO_GCLEAN _PPPIO(143) /* get 8-bit-clean flags */
+#define PPPIO_DEBUG _PPPIO(144) /* request debug information */
+#define PPPIO_BIND _PPPIO(145) /* bind to SAP */
+#define PPPIO_NPMODE _PPPIO(146) /* set mode for handling data pkts */
+#define PPPIO_GIDLE _PPPIO(147) /* get time since last data pkt */
+#define PPPIO_PASSFILT _PPPIO(148) /* set filter for packets to pass */
+#define PPPIO_ACTIVEFILT _PPPIO(149) /* set filter for "link active" pkts */
+
+/*
+ * Values for PPPIO_CFLAGS
+ */
+#define COMP_AC 0x1 /* compress address/control */
+#define DECOMP_AC 0x2 /* decompress address/control */
+#define COMP_PROT 0x4 /* compress PPP protocol */
+#define DECOMP_PROT 0x8 /* decompress PPP protocol */
+
+#define COMP_VJC 0x10 /* compress TCP/IP headers */
+#define COMP_VJCCID 0x20 /* compress connection ID as well */
+#define DECOMP_VJC 0x40 /* decompress TCP/IP headers */
+#define DECOMP_VJCCID 0x80 /* accept compressed connection ID */
+
+#define CCP_ISOPEN 0x100 /* look at CCP packets */
+#define CCP_ISUP 0x200 /* do packet comp/decomp */
+#define CCP_ERROR 0x400 /* (status) error in packet decomp */
+#define CCP_FATALERROR 0x800 /* (status) fatal error ditto */
+#define CCP_COMP_RUN 0x1000 /* (status) seen CCP ack sent */
+#define CCP_DECOMP_RUN 0x2000 /* (status) seen CCP ack rcvd */
+
+/*
+ * Values for 8-bit-clean flags.
+ */
+#define RCV_B7_0 1 /* have rcvd char with bit 7 = 0 */
+#define RCV_B7_1 2 /* have rcvd char with bit 7 = 1 */
+#define RCV_EVNP 4 /* have rcvd char with even parity */
+#define RCV_ODDP 8 /* have rcvd char with odd parity */
+
+/*
+ * Values for the first byte of M_CTL messages passed between
+ * PPP modules.
+ */
+#define PPPCTL_OERROR 0xe0 /* output error [up] */
+#define PPPCTL_IERROR 0xe1 /* input error (e.g. FCS) [up] */
+#define PPPCTL_MTU 0xe2 /* set MTU [down] */
+#define PPPCTL_MRU 0xe3 /* set MRU [down] */
+#define PPPCTL_UNIT 0xe4 /* note PPP unit number [down] */
+
+/*
+ * Values for the integer argument to PPPIO_DEBUG.
+ */
+#define PPPDBG_DUMP 0x10000 /* print out debug info now */
+#define PPPDBG_LOG 0x100 /* log various things */
+#define PPPDBG_DRIVER 0 /* identifies ppp driver as target */
+#define PPPDBG_IF 1 /* identifies ppp network i/f target */
+#define PPPDBG_COMP 2 /* identifies ppp compression target */
+#define PPPDBG_AHDLC 3 /* identifies ppp async hdlc target */
diff --git a/mdk-stage1/ppp/include/net/slcompress.h b/mdk-stage1/ppp/include/net/slcompress.h
new file mode 100644
index 000000000..9e19bc0ed
--- /dev/null
+++ b/mdk-stage1/ppp/include/net/slcompress.h
@@ -0,0 +1,148 @@
+/*
+ * Definitions for tcp compression routines.
+ *
+ * $Id$
+ *
+ * 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_ */
diff --git a/mdk-stage1/ppp/include/net/vjcompress.h b/mdk-stage1/ppp/include/net/vjcompress.h
new file mode 100644
index 000000000..c64596926
--- /dev/null
+++ b/mdk-stage1/ppp/include/net/vjcompress.h
@@ -0,0 +1,144 @@
+/*
+ * Definitions for tcp compression routines.
+ *
+ * $Id$
+ *
+ * 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_ */
diff --git a/mdk-stage1/ppp/include/pcap-int.h b/mdk-stage1/ppp/include/pcap-int.h
new file mode 100644
index 000000000..323994929
--- /dev/null
+++ b/mdk-stage1/ppp/include/pcap-int.h
@@ -0,0 +1,117 @@
+/*
+ * Copyright (c) 1994, 1995, 1996
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the Computer Systems
+ * Engineering Group at Lawrence Berkeley Laboratory.
+ * 4. Neither the name of the University nor of the Laboratory may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * @(#) $Header$ (LBL)
+ */
+
+#ifndef pcap_int_h
+#define pcap_int_h
+
+#include <pcap.h>
+
+/*
+ * Savefile
+ */
+struct pcap_sf {
+ FILE *rfile;
+ int swapped;
+ int version_major;
+ int version_minor;
+ u_char *base;
+};
+
+struct pcap_md {
+ struct pcap_stat stat;
+ /*XXX*/
+ int use_bpf;
+ u_long TotPkts; /* can't oflow for 79 hrs on ether */
+ u_long TotAccepted; /* count accepted by filter */
+ u_long TotDrops; /* count of dropped packets */
+ long TotMissed; /* missed by i/f during this run */
+ long OrigMissed; /* missed by i/f before this run */
+#ifdef linux
+ int pad;
+ int skip;
+ char *device;
+#endif
+};
+
+struct pcap {
+ int fd;
+ int snapshot;
+ int linktype;
+ int tzoff; /* timezone offset */
+ int offset; /* offset for proper alignment */
+
+ struct pcap_sf sf;
+ struct pcap_md md;
+
+ /*
+ * Read buffer.
+ */
+ int bufsize;
+ u_char *buffer;
+ u_char *bp;
+ int cc;
+
+ /*
+ * Place holder for pcap_next().
+ */
+ u_char *pkt;
+
+
+ /*
+ * Placeholder for filter code if bpf not in kernel.
+ */
+ struct bpf_program fcode;
+
+ char errbuf[PCAP_ERRBUF_SIZE];
+};
+
+int yylex(void);
+
+#ifndef min
+#define min(a, b) ((a) > (b) ? (b) : (a))
+#endif
+
+/* XXX should these be in pcap.h? */
+int pcap_offline_read(pcap_t *, int, pcap_handler, u_char *);
+int pcap_read(pcap_t *, int cnt, pcap_handler, u_char *);
+
+/* Ultrix pads to make everything line up on a nice boundary */
+#if defined(ultrix) || defined(__alpha)
+#define PCAP_FDDIPAD 3
+#endif
+
+/* XXX */
+extern int pcap_fddipad;
+#endif