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/* $OpenBSD: tuba_table.h,v 1.4 2003/06/02 23:28:18 millert Exp $ */
/* $NetBSD: tuba_table.h,v 1.4 1996/02/13 22:12:37 christos Exp $ */
/*-
* 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. 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
*/
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;
struct mbuf;
struct tcpcb;
struct isopcb;
struct inpcb;
struct sockaddr_iso;
struct socket;
/* tuba_subr.c */
void tuba_init(void);
int tuba_output(struct mbuf *, struct tcpcb *);
void tuba_refcnt(struct isopcb *, int );
void tuba_pcbdetach(void *);
int tuba_pcbconnect(void *, struct mbuf *);
void tuba_tcpinput(struct mbuf *, ...);
int tuba_pcbconnect(void *, struct mbuf *);
void tuba_slowtimo(void);
void tuba_fasttimo(void);
/* tuba_table.c */
void tuba_timer(void *);
void tuba_table_init(void);
int tuba_lookup(struct sockaddr_iso *, int );
/* tuba_usrreq.c */
int tuba_usrreq(struct socket *, int, struct mbuf *, struct mbuf *,
struct mbuf *);
int tuba_ctloutput(int, struct socket *, int, int , struct mbuf **);
#endif
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