From 9ed05e1618a9087274adb81d04939a0d016300f6 Mon Sep 17 00:00:00 2001
From: Paul Mackerras <paulus@samba.org>
Date: Wed, 21 Sep 1994 00:28:59 +0000
Subject: [PATCH] Initial revision

---
 ultrix/if_pppvar.h | 92 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 92 insertions(+)
 create mode 100644 ultrix/if_pppvar.h

diff --git a/ultrix/if_pppvar.h b/ultrix/if_pppvar.h
new file mode 100644
index 0000000..e1e8543
--- /dev/null
+++ b/ultrix/if_pppvar.h
@@ -0,0 +1,92 @@
+/*	$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));
-- 
2.39.2