| /* |
| * Copyright (c) 1984, 1985, 1986, 1987, 1993 |
| * The Regents of the University of California. 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. |
| * 3. All advertising materials mentioning features or use of this software |
| * must display the following acknowledgement: |
| * This product includes software developed by the University of |
| * California, Berkeley and its contributors. |
| * 4. Neither the name of the University nor the names of its contributors |
| * may be used to endorse or promote products derived from this software |
| * without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. |
| * |
| * @(#)sp.h 8.1 (Berkeley) 6/10/93 |
| * $FreeBSD: src/sys/netns/sp.h,v 1.8 1999/08/28 00:49:52 peter Exp $ |
| */ |
| |
| #ifndef _NETNS_SP_H_ |
| #define _NETNS_SP_H_ |
| |
| /* |
| * Definitions for Xerox NS style sequenced packet protocol |
| */ |
| |
| struct sphdr { |
| u_char sp_cc; /* connection control */ |
| u_char sp_dt; /* datastream type */ |
| #define SP_SP 0x80 /* system packet */ |
| #define SP_SA 0x40 /* send acknowledgement */ |
| #define SP_OB 0x20 /* attention (out of band data) */ |
| #define SP_EM 0x10 /* end of message */ |
| u_short sp_sid; /* source connection identifier */ |
| u_short sp_did; /* destination connection identifier */ |
| u_short sp_seq; /* sequence number */ |
| u_short sp_ack; /* acknowledge number */ |
| u_short sp_alo; /* allocation number */ |
| }; |
| |
| #endif |