Added missing files from PPP port.

2 files changed, 297 insertions, 0 deletions

diff --git a/c/src/exec/libnetworking/net/if_ppp.h b/c/src/exec/libnetworking/net/if_ppp.h
new file mode 100644
index 0000000000..9322f2e13b
--- /dev/null
+++ b/c/src/exec/libnetworking/net/if_ppp.h
@@ -0,0 +1,132 @@
+/*	$Id$	*/
+
+/*
+ * 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_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/c/src/exec/libnetworking/net/ppp-comp.h b/c/src/exec/libnetworking/net/ppp-comp.h
new file mode 100644
index 0000000000..0e6a9c672f
--- /dev/null
+++ b/c/src/exec/libnetworking/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 */