Watt-32 tcp/ip  2.2 dev-rel.10
udp_var.h
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1 
5 /*
6  * Copyright (c) 1982, 1986, 1989, 1993
7  * The Regents of the University of California. All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
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.
24  *
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
35  * SUCH DAMAGE.
36  *
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 $
39  */
40 
41 #ifndef __NETINET_UDP_VAR_H
42 #define __NETINET_UDP_VAR_H
43 
44 /*
45  * UDP kernel structures and variables.
46  */
47 #ifdef NOT_NEEDED
48  #include <sys/pack_on.h>
49 
50  struct udpiphdr {
51  struct ipovly ui_i; /* overlaid ip structure */
52  struct udphdr ui_u; /* udp header */
53  };
54 
55  #include <sys/pack_off.h>
56 
57  #define ui_next ui_i.ih_next
58  #define ui_prev ui_i.ih_prev
59  #define ui_x1 ui_i.ih_x1
60  #define ui_pr ui_i.ih_pr
61  #define ui_len ui_i.ih_len
62  #define ui_src ui_i.ih_src
63  #define ui_dst ui_i.ih_dst
64  #define ui_sport ui_u.uh_sport
65  #define ui_dport ui_u.uh_dport
66  #define ui_ulen ui_u.uh_ulen
67  #define ui_sum ui_u.uh_sum
68 #endif
69 
70 struct udpstat {
71  /* input statistics: */
72  u_long udps_ipackets; /* total input packets */
73  u_long udps_hdrops; /* packet shorter than header */
74  u_long udps_badsum; /* checksum error */
75  u_long udps_badlen; /* data length larger than packet */
76  u_long udps_noport; /* no socket on port */
77  u_long udps_noportbcast; /* of above, arrived as broadcast */
78  u_long udps_fullsock; /* not delivered, input socket full */
79  u_long udpps_pcbcachemiss; /* input packets missing pcb cache */
80  u_long udpps_pcbhashmiss; /* input packets not for hashed pcb */
81  /* output statistics: */
82  u_long udps_opackets; /* total output packets */
83 };
84 
85 /*
86  * Names for UDP sysctl objects
87  */
88 #define UDPCTL_CHECKSUM 1 /* checksum UDP packets */
89 #define UDPCTL_STATS 2 /* statistics (read-only) */
90 #define UDPCTL_MAXDGRAM 3 /* max datagram size */
91 #define UDPCTL_RECVSPACE 4 /* default receive buffer space */
92 #define UDPCTL_MAXID 5
93 
94 #define UDPCTL_NAMES { \
95  { 0, 0 }, \
96  { "checksum", CTLTYPE_INT }, \
97  { "stats", CTLTYPE_STRUCT }, \
98  { "maxdgram", CTLTYPE_INT }, \
99  { "recvspace", CTLTYPE_INT }, \
100 }
101 
102 #endif
Definition: udp.h:47
Definition: ip_var.h:53