1/*
2 * Copyright (c) 1982, 1986, 1989, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * @(#)udp_var.h 8.1 (Berkeley) 6/10/93
| 1/*
2 * Copyright (c) 1982, 1986, 1989, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * @(#)udp_var.h 8.1 (Berkeley) 6/10/93
|
30 * $FreeBSD: head/sys/netinet/udp_var.h 128019 2004-04-07 20:46:16Z imp $
| 30 * $FreeBSD: head/sys/netinet/udp_var.h 133874 2004-08-16 18:32:07Z rwatson $
|
31 */
32
33#ifndef _NETINET_UDP_VAR_H_
34#define _NETINET_UDP_VAR_H_
35
36/*
37 * UDP kernel structures and variables.
38 */
39struct udpiphdr {
| 31 */
32
33#ifndef _NETINET_UDP_VAR_H_
34#define _NETINET_UDP_VAR_H_
35
36/*
37 * UDP kernel structures and variables.
38 */
39struct udpiphdr {
|
40 struct ipovly ui_i; /* overlaid ip structure */
| 40 struct ipovly ui_i; /* overlaid ip structure */
|
41 struct udphdr ui_u; /* udp header */
42};
43#define ui_x1 ui_i.ih_x1
44#define ui_pr ui_i.ih_pr
45#define ui_len ui_i.ih_len
46#define ui_src ui_i.ih_src
47#define ui_dst ui_i.ih_dst
48#define ui_sport ui_u.uh_sport
49#define ui_dport ui_u.uh_dport
50#define ui_ulen ui_u.uh_ulen
51#define ui_sum ui_u.uh_sum
52
53struct udpstat {
54 /* input statistics: */
55 u_long udps_ipackets; /* total input packets */
56 u_long udps_hdrops; /* packet shorter than header */
57 u_long udps_badsum; /* checksum error */
58 u_long udps_nosum; /* no checksum */
59 u_long udps_badlen; /* data length larger than packet */
60 u_long udps_noport; /* no socket on port */
61 u_long udps_noportbcast; /* of above, arrived as broadcast */
62 u_long udps_fullsock; /* not delivered, input socket full */
63 u_long udpps_pcbcachemiss; /* input packets missing pcb cache */
64 u_long udpps_pcbhashmiss; /* input packets not for hashed pcb */
65 /* output statistics: */
66 u_long udps_opackets; /* total output packets */
67 u_long udps_fastout; /* output packets on fast path */
68 /* of no socket on port, arrived as multicast */
69 u_long udps_noportmcast;
70};
71
72/*
73 * Names for UDP sysctl objects
74 */
75#define UDPCTL_CHECKSUM 1 /* checksum UDP packets */
76#define UDPCTL_STATS 2 /* statistics (read-only) */
77#define UDPCTL_MAXDGRAM 3 /* max datagram size */
78#define UDPCTL_RECVSPACE 4 /* default receive buffer space */
79#define UDPCTL_PCBLIST 5 /* list of PCBs for UDP sockets */
80#define UDPCTL_MAXID 6
81
82#define UDPCTL_NAMES { \
83 { 0, 0 }, \
84 { "checksum", CTLTYPE_INT }, \
85 { "stats", CTLTYPE_STRUCT }, \
86 { "maxdgram", CTLTYPE_INT }, \
87 { "recvspace", CTLTYPE_INT }, \
88 { "pcblist", CTLTYPE_STRUCT }, \
89}
90
91#ifdef _KERNEL
92SYSCTL_DECL(_net_inet_udp);
93
94extern struct pr_usrreqs udp_usrreqs;
95extern struct inpcbhead udb;
96extern struct inpcbinfo udbinfo;
97extern u_long udp_sendspace;
98extern u_long udp_recvspace;
99extern struct udpstat udpstat;
100extern int log_in_vain;
101
102void udp_ctlinput(int, struct sockaddr *, void *);
103void udp_init(void);
104void udp_input(struct mbuf *, int);
105
106struct inpcb *
107 udp_notify(struct inpcb *inp, int errno);
108int udp_shutdown(struct socket *so);
109#endif
110
111#endif
| 41 struct udphdr ui_u; /* udp header */
42};
43#define ui_x1 ui_i.ih_x1
44#define ui_pr ui_i.ih_pr
45#define ui_len ui_i.ih_len
46#define ui_src ui_i.ih_src
47#define ui_dst ui_i.ih_dst
48#define ui_sport ui_u.uh_sport
49#define ui_dport ui_u.uh_dport
50#define ui_ulen ui_u.uh_ulen
51#define ui_sum ui_u.uh_sum
52
53struct udpstat {
54 /* input statistics: */
55 u_long udps_ipackets; /* total input packets */
56 u_long udps_hdrops; /* packet shorter than header */
57 u_long udps_badsum; /* checksum error */
58 u_long udps_nosum; /* no checksum */
59 u_long udps_badlen; /* data length larger than packet */
60 u_long udps_noport; /* no socket on port */
61 u_long udps_noportbcast; /* of above, arrived as broadcast */
62 u_long udps_fullsock; /* not delivered, input socket full */
63 u_long udpps_pcbcachemiss; /* input packets missing pcb cache */
64 u_long udpps_pcbhashmiss; /* input packets not for hashed pcb */
65 /* output statistics: */
66 u_long udps_opackets; /* total output packets */
67 u_long udps_fastout; /* output packets on fast path */
68 /* of no socket on port, arrived as multicast */
69 u_long udps_noportmcast;
70};
71
72/*
73 * Names for UDP sysctl objects
74 */
75#define UDPCTL_CHECKSUM 1 /* checksum UDP packets */
76#define UDPCTL_STATS 2 /* statistics (read-only) */
77#define UDPCTL_MAXDGRAM 3 /* max datagram size */
78#define UDPCTL_RECVSPACE 4 /* default receive buffer space */
79#define UDPCTL_PCBLIST 5 /* list of PCBs for UDP sockets */
80#define UDPCTL_MAXID 6
81
82#define UDPCTL_NAMES { \
83 { 0, 0 }, \
84 { "checksum", CTLTYPE_INT }, \
85 { "stats", CTLTYPE_STRUCT }, \
86 { "maxdgram", CTLTYPE_INT }, \
87 { "recvspace", CTLTYPE_INT }, \
88 { "pcblist", CTLTYPE_STRUCT }, \
89}
90
91#ifdef _KERNEL
92SYSCTL_DECL(_net_inet_udp);
93
94extern struct pr_usrreqs udp_usrreqs;
95extern struct inpcbhead udb;
96extern struct inpcbinfo udbinfo;
97extern u_long udp_sendspace;
98extern u_long udp_recvspace;
99extern struct udpstat udpstat;
100extern int log_in_vain;
101
102void udp_ctlinput(int, struct sockaddr *, void *);
103void udp_init(void);
104void udp_input(struct mbuf *, int);
105
106struct inpcb *
107 udp_notify(struct inpcb *inp, int errno);
108int udp_shutdown(struct socket *so);
109#endif
110
111#endif
|