NetBSD/sys/netns/sp.h
thorpej c5dab54215 - Be more careful with type sizes (many u_long -> u_int32_t in protocol
structures).
- Use NTOH*() and HTON*() where appropriate.
- Some slight formatting cleanup in a few places.
1997-07-18 19:30:33 +00:00

55 lines
2.5 KiB
C

/* $NetBSD: sp.h,v 1.6 1997/07/18 19:30:44 thorpej Exp $ */
/*
* 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
*/
/*
* Definitions for Xerox NS style sequenced packet protocol
*/
struct sphdr {
u_int8_t sp_cc; /* connection control */
u_int8_t 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_int16_t sp_sid; /* source connection identifier */
u_int16_t sp_did; /* destination connection identifier */
u_int16_t sp_seq; /* sequence number */
u_int16_t sp_ack; /* acknowledge number */
u_int16_t sp_alo; /* allocation number */
};