--- /dev/null
+/* $Id: if_ppp.h,v 1.2 1996/09/26 06:30:54 paulus Exp $ */
+
+/*
+ * 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_
+
+/*
+ * Packet sizes
+ */
+#define PPP_MTU 1500 /* Default MTU (size of Info field) */
+#define PPP_MAXMRU 65000 /* Largest MRU we allow */
+
+/*
+ * 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_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 */
+
+/* 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)
+void pppattach(void);
+int pppsioctl(struct ifnet *, int, caddr_t);
+int pppoutput(struct ifnet *, struct mbuf *, struct sockaddr *);
+void pppintr();
+#endif
+#endif /* _IF_PPP_H_ */
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