1 /*!\file netinet/udp_var.h
2 * Internal UDP statistics.
6 * Copyright (c) 1982, 1986, 1989, 1993
7 * The Regents of the University of California. All rights reserved.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by the University of
20 * California, Berkeley and its contributors.
21 * 4. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * @(#)udp_var.h 8.1 (Berkeley) 6/10/93
38 * $Id: udp_var.h,v 1.9 1996/06/05 17:20:35 wollman Exp $
41 #ifndef __NETINET_UDP_VAR_H
42 #define __NETINET_UDP_VAR_H
45 * UDP kernel structures and variables.
48 #include <sys/packon.h>
50 struct ipovly ui_i; /* overlaid ip structure */
51 struct udphdr ui_u; /* udp header */
53 #include <sys/packoff.h>
55 #define ui_next ui_i.ih_next
56 #define ui_prev ui_i.ih_prev
57 #define ui_x1 ui_i.ih_x1
58 #define ui_pr ui_i.ih_pr
59 #define ui_len ui_i.ih_len
60 #define ui_src ui_i.ih_src
61 #define ui_dst ui_i.ih_dst
62 #define ui_sport ui_u.uh_sport
63 #define ui_dport ui_u.uh_dport
64 #define ui_ulen ui_u.uh_ulen
65 #define ui_sum ui_u.uh_sum
69 /* input statistics: */
70 u_long udps_ipackets; /* total input packets */
71 u_long udps_hdrops; /* packet shorter than header */
72 u_long udps_badsum; /* checksum error */
73 u_long udps_badlen; /* data length larger than packet */
74 u_long udps_noport; /* no socket on port */
75 u_long udps_noportbcast; /* of above, arrived as broadcast */
76 u_long udps_fullsock; /* not delivered, input socket full */
77 u_long udpps_pcbcachemiss; /* input packets missing pcb cache */
78 u_long udpps_pcbhashmiss; /* input packets not for hashed pcb */
79 /* output statistics: */
80 u_long udps_opackets; /* total output packets */
84 * Names for UDP sysctl objects
86 #define UDPCTL_CHECKSUM 1 /* checksum UDP packets */
87 #define UDPCTL_STATS 2 /* statistics (read-only) */
88 #define UDPCTL_MAXDGRAM 3 /* max datagram size */
89 #define UDPCTL_RECVSPACE 4 /* default receive buffer space */
90 #define UDPCTL_MAXID 5
92 #define UDPCTL_NAMES { \
94 { "checksum", CTLTYPE_INT }, \
95 { "stats", CTLTYPE_STRUCT }, \
96 { "maxdgram", CTLTYPE_INT }, \
97 { "recvspace", CTLTYPE_INT }, \