NetBSD/sys/netinet/udp_var.h

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1993-03-21 12:45:37 +03:00
/*
* Copyright (c) 1982, 1986, 1989 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.
*
* from: @(#)udp_var.h 7.7 (Berkeley) 6/28/90
* $Id: udp_var.h,v 1.3 1993/05/20 03:50:50 cgd Exp $
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*/
#ifndef _NETINET_UDP_VAR_H_
#define _NETINET_UDP_VAR_H_
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/*
* UDP kernel structures and variables.
*/
struct udpiphdr {
struct ipovly ui_i; /* overlaid ip structure */
struct udphdr ui_u; /* udp header */
};
#define ui_next ui_i.ih_next
#define ui_prev ui_i.ih_prev
#define ui_x1 ui_i.ih_x1
#define ui_pr ui_i.ih_pr
#define ui_len ui_i.ih_len
#define ui_src ui_i.ih_src
#define ui_dst ui_i.ih_dst
#define ui_sport ui_u.uh_sport
#define ui_dport ui_u.uh_dport
#define ui_ulen ui_u.uh_ulen
#define ui_sum ui_u.uh_sum
struct udpstat {
/* input statistics: */
int udps_ipackets; /* total input packets */
int udps_hdrops; /* packet shorter than header */
int udps_badsum; /* checksum error */
int udps_badlen; /* data length larger than packet */
int udps_noport; /* no socket on port */
int udps_noportbcast; /* of above, arrived as broadcast */
int udps_fullsock; /* not delivered, input socket full */
int udpps_pcbcachemiss; /* input packets missing pcb cache */
/* output statistics: */
int udps_opackets; /* total output packets */
};
#define UDP_TTL 30 /* default time to live for UDP packets */
#ifdef KERNEL
struct inpcb udb;
struct udpstat udpstat;
#endif
#endif /* !_NETINET_UDP_VAR_H_ */