Initial revision

diff --git a/ultrix/if_pppvar.h b/ultrix/if_pppvar.h
new file mode 100644 (file)
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+++ b/ultrix/if_pppvar.h
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+/*     $Id: if_pppvar.h,v 1.1 1994/09/21 00:28:59 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.
+ */
+
+/*
+ * Supported network protocols.  These values are used for
+ * indexing sc_npmode.
+ */
+#define NP_IP  0               /* Internet Protocol */
+#define NUM_NP 1               /* Number of NPs. */
+
+/*
+ * Structure describing each ppp unit.
+ */
+struct ppp_softc {
+       struct  ifnet sc_if;            /* network-visible interface */
+       u_int   sc_flags;               /* see below */
+       void    *sc_devp;               /* pointer to device-dep structure */
+       int     (*sc_start) __P((struct ppp_softc *));  /* start routine */
+       short   sc_mru;                 /* max receive unit */
+       pid_t   sc_xfer;                /* used in transferring unit */
+       struct  ifqueue sc_inq;         /* TTY side input queue */
+       struct  ifqueue sc_fastq;       /* IP interactive output packet q */
+#ifdef VJC
+       struct  slcompress sc_comp;     /* vjc control buffer */
+#endif
+       u_int   sc_bytessent;           /* count of octets sent */
+       u_int   sc_bytesrcvd;           /* count of octets received */
+       caddr_t sc_bpf;                 /* hook for BPF */
+       enum    NPmode sc_npmode[NUM_NP]; /* what to do with each NP */
+       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 */
+       
+       /* Device-dependent part for async lines. */
+       ext_accm sc_asyncmap;           /* async control character map */
+       u_long  sc_rasyncmap;           /* receive async control char map */
+       struct  mbuf *sc_outm;          /* mbuf chain currently being output */
+       struct  mbuf *sc_m;             /* pointer to input mbuf chain */
+       struct  mbuf *sc_mc;            /* pointer to current input mbuf */
+       char    *sc_mp;                 /* ptr to next char in input mbuf */
+       short   sc_ilen;                /* length of input packet so far */
+       u_short sc_fcs;                 /* FCS so far (input) */
+       u_short sc_outfcs;              /* FCS so far for output packet */
+       u_char  sc_rawin[16];           /* chars as received */
+       int     sc_rawin_count;         /* # in sc_rawin */
+};
+
+struct ppp_softc ppp_softc[NPPP];
+
+extern int ppppktin __P((struct ppp_softc *sc, struct mbuf *m));
+struct mbuf *ppp_dequeue __P((struct ppp_softc *sc));