mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-30 12:04:07 +00:00
66 lines
2.8 KiB
C
66 lines
2.8 KiB
C
/*-
|
|
* Copyright (c) 1992, 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.
|
|
*
|
|
* @(#)tuba_table.h 8.1 (Berkeley) 6/10/93
|
|
* $Id: tuba_table.h,v 1.2 1994/08/02 07:51:37 davidg Exp $
|
|
*/
|
|
|
|
#ifndef _NETISO_TUBA_TABLE_H_
|
|
#define _NETISO_TUBA_TABLE_H_
|
|
|
|
struct tuba_cache {
|
|
struct radix_node tc_nodes[2]; /* convenient lookup */
|
|
int tc_refcnt;
|
|
int tc_time; /* last looked up */
|
|
int tc_flags;
|
|
#define TCF_PERM 1
|
|
int tc_index;
|
|
u_short tc_sum; /* cksum of nsap inc. length */
|
|
u_short tc_ssum; /* swab(tc_sum) */
|
|
struct sockaddr_iso tc_siso; /* for responding */
|
|
};
|
|
|
|
#define ADDCARRY(x) (x >= 65535 ? x -= 65535 : x)
|
|
#define REDUCE(a, b) { union { u_short s[2]; long l;} l_util; long x; \
|
|
l_util.l = (b); x = l_util.s[0] + l_util.s[1]; ADDCARRY(x); \
|
|
if (x == 0) x = 0xffff; a = x;}
|
|
#define SWAB(a, b) { union { u_char c[2]; u_short s;} s; u_char t; \
|
|
s.s = (b); t = s.c[0]; s.c[0] = s.c[1]; s.c[1] = t; a = s.s;}
|
|
|
|
#ifdef KERNEL
|
|
extern int tuba_table_size;
|
|
extern struct tuba_cache **tuba_table;
|
|
extern struct radix_node_head *tuba_tree;
|
|
#endif
|
|
|
|
#endif
|