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 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * @(#)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 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * @(#)udp_var.h 8.1 (Berkeley) 6/10/93
|
34 * $FreeBSD: head/sys/netinet/udp_var.h 52904 1999-11-05 14:41:39Z shin $
| 34 * $FreeBSD: head/sys/netinet/udp_var.h 54263 1999-12-07 17:39:16Z shin $
|
35 */
36
37#ifndef _NETINET_UDP_VAR_H_
38#define _NETINET_UDP_VAR_H_
39
40/*
41 * UDP kernel structures and variables.
42 */
43struct udpiphdr {
44 struct ipovly ui_i; /* overlaid ip structure */
45 struct udphdr ui_u; /* udp header */
46};
47#define ui_x1 ui_i.ih_x1
48#define ui_pr ui_i.ih_pr
49#define ui_len ui_i.ih_len
50#define ui_src ui_i.ih_src
51#define ui_dst ui_i.ih_dst
52#define ui_sport ui_u.uh_sport
53#define ui_dport ui_u.uh_dport
54#define ui_ulen ui_u.uh_ulen
55#define ui_sum ui_u.uh_sum
56
57struct udpcb {
58 /* XXX - these should be by reference so we can do options quickly */
59 struct ip udb_ip;
60 struct udphdr udb_uh;
61 struct sockaddr_in udb_conn;
62 struct in_hostcache *udb_hc;
63 struct mbuf *udb_queue;
64};
65#define inptoudpcb(inp) ((struct udpdb *)(inp)->inp_ppcb)
66
67struct udpstat {
68 /* input statistics: */
69 u_long udps_ipackets; /* total input packets */
70 u_long udps_hdrops; /* packet shorter than header */
71 u_long udps_badsum; /* checksum error */
72 u_long udps_nosum; /* no checksum */
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 */
81 u_long udps_fastout; /* output packets on fast path */
82 /* of no socket on port, arrived as multicast */
83 u_long udps_noportmcast;
84};
85
86/*
87 * Names for UDP sysctl objects
88 */
89#define UDPCTL_CHECKSUM 1 /* checksum UDP packets */
90#define UDPCTL_STATS 2 /* statistics (read-only) */
91#define UDPCTL_MAXDGRAM 3 /* max datagram size */
92#define UDPCTL_RECVSPACE 4 /* default receive buffer space */
93#define UDPCTL_PCBLIST 5 /* list of PCBs for UDP sockets */
94#define UDPCTL_MAXID 6
95
96#define UDPCTL_NAMES { \
97 { 0, 0 }, \
98 { "checksum", CTLTYPE_INT }, \
99 { "stats", CTLTYPE_STRUCT }, \
100 { "maxdgram", CTLTYPE_INT }, \
101 { "recvspace", CTLTYPE_INT }, \
102 { "pcblist", CTLTYPE_STRUCT }, \
103}
104
105#ifdef KERNEL
106SYSCTL_DECL(_net_inet_udp);
107
108extern struct pr_usrreqs udp_usrreqs;
109extern struct inpcbhead udb;
110extern struct inpcbinfo udbinfo;
111extern u_long udp_sendspace;
112extern u_long udp_recvspace;
113extern struct udpstat udpstat;
114extern int log_in_vain;
115
116void udp_ctlinput __P((int, struct sockaddr *, void *));
117void udp_init __P((void));
| 35 */
36
37#ifndef _NETINET_UDP_VAR_H_
38#define _NETINET_UDP_VAR_H_
39
40/*
41 * UDP kernel structures and variables.
42 */
43struct udpiphdr {
44 struct ipovly ui_i; /* overlaid ip structure */
45 struct udphdr ui_u; /* udp header */
46};
47#define ui_x1 ui_i.ih_x1
48#define ui_pr ui_i.ih_pr
49#define ui_len ui_i.ih_len
50#define ui_src ui_i.ih_src
51#define ui_dst ui_i.ih_dst
52#define ui_sport ui_u.uh_sport
53#define ui_dport ui_u.uh_dport
54#define ui_ulen ui_u.uh_ulen
55#define ui_sum ui_u.uh_sum
56
57struct udpcb {
58 /* XXX - these should be by reference so we can do options quickly */
59 struct ip udb_ip;
60 struct udphdr udb_uh;
61 struct sockaddr_in udb_conn;
62 struct in_hostcache *udb_hc;
63 struct mbuf *udb_queue;
64};
65#define inptoudpcb(inp) ((struct udpdb *)(inp)->inp_ppcb)
66
67struct udpstat {
68 /* input statistics: */
69 u_long udps_ipackets; /* total input packets */
70 u_long udps_hdrops; /* packet shorter than header */
71 u_long udps_badsum; /* checksum error */
72 u_long udps_nosum; /* no checksum */
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 */
81 u_long udps_fastout; /* output packets on fast path */
82 /* of no socket on port, arrived as multicast */
83 u_long udps_noportmcast;
84};
85
86/*
87 * Names for UDP sysctl objects
88 */
89#define UDPCTL_CHECKSUM 1 /* checksum UDP packets */
90#define UDPCTL_STATS 2 /* statistics (read-only) */
91#define UDPCTL_MAXDGRAM 3 /* max datagram size */
92#define UDPCTL_RECVSPACE 4 /* default receive buffer space */
93#define UDPCTL_PCBLIST 5 /* list of PCBs for UDP sockets */
94#define UDPCTL_MAXID 6
95
96#define UDPCTL_NAMES { \
97 { 0, 0 }, \
98 { "checksum", CTLTYPE_INT }, \
99 { "stats", CTLTYPE_STRUCT }, \
100 { "maxdgram", CTLTYPE_INT }, \
101 { "recvspace", CTLTYPE_INT }, \
102 { "pcblist", CTLTYPE_STRUCT }, \
103}
104
105#ifdef KERNEL
106SYSCTL_DECL(_net_inet_udp);
107
108extern struct pr_usrreqs udp_usrreqs;
109extern struct inpcbhead udb;
110extern struct inpcbinfo udbinfo;
111extern u_long udp_sendspace;
112extern u_long udp_recvspace;
113extern struct udpstat udpstat;
114extern int log_in_vain;
115
116void udp_ctlinput __P((int, struct sockaddr *, void *));
117void udp_init __P((void));
|
118void udp_input __P((struct mbuf *, int));
| 118void udp_input __P((struct mbuf *, int, int));
|
119
120void udp_notify __P((struct inpcb *inp, int errno));
121int udp_shutdown __P((struct socket *so));
122#endif
123
124#endif
| 119
120void udp_notify __P((struct inpcb *inp, int errno));
121int udp_shutdown __P((struct socket *so));
122#endif
123
124#endif
|