1 files changed, 64 insertions, 0 deletions
diff --git a/usr.sbin/ppp/proto.h b/usr.sbin/ppp/proto.h
new file mode 100644
index 000000000000..3937e1e1c819
--- /dev/null
+++ b/usr.sbin/ppp/proto.h
@@ -0,0 +1,64 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 1996 - 2001 Brian Somers <brian@Awfulhak.org>
+ *          based on work by Toshiharu OHNO <tony-o@iij.ad.jp>
+ *                           Internet Initiative Japan, Inc (IIJ)
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ *  Definition of protocol numbers
+ */
+#define	PROTO_IP	0x0021	/* IP */
+#define	PROTO_VJUNCOMP	0x002f	/* VJ Uncompressed */
+#define	PROTO_VJCOMP	0x002d	/* VJ Compressed */
+#define	PROTO_MP	0x003d	/* Multilink fragment */
+#ifndef NOINET6
+#define	PROTO_IPV6	0x0057	/* IPv6 */
+#endif
+#define	PROTO_ICOMPD	0x00fb	/* Individual link compressed */
+#define	PROTO_COMPD	0x00fd	/* Compressed datagram */
+
+#define PROTO_COMPRESSIBLE(p) (((p) & 0xff81) == 0x01)
+
+#define	PROTO_IPCP	0x8021
+#ifndef NOINET6
+#define	PROTO_IPV6CP	0x8057
+#endif
+#define	PROTO_ICCP	0x80fb
+#define	PROTO_CCP	0x80fd
+
+#define	PROTO_LCP	0xc021
+#define	PROTO_PAP	0xc023
+#define	PROTO_CBCP	0xc029
+#define	PROTO_LQR	0xc025
+#define	PROTO_CHAP	0xc223
+
+struct lcp;
+
+extern int proto_WrapperOctets(struct lcp *, u_short);
+struct mbuf *proto_Prepend(struct mbuf *, u_short, unsigned, int);
+
+extern struct layer protolayer;