+/*
+ * 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: pppio.h,v 1.1 1995/05/19 02:29:03 paulus Exp $
+ */
+
+#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 compressor */
+#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 */
+
+/*
+ * 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 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] */