1/*-
2 * Copyright (c) 1982, 1986, 1989, 1993
3 * The Regents of the University of California.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 4. Neither the name of the University nor the names of its contributors
15 * may be used to endorse or promote products derived from this software
16 * without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 * @(#)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.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 4. Neither the name of the University nor the names of its contributors
15 * may be used to endorse or promote products derived from this software
16 * without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 * @(#)udp_var.h 8.1 (Berkeley) 6/10/93
|
31 * $FreeBSD: head/sys/netinet/udp_var.h 196039 2009-08-02 19:43:32Z rwatson $
| 31 * $FreeBSD: head/sys/netinet/udp_var.h 207369 2010-04-29 11:52:42Z bz $
|
32 */
33
34#ifndef _NETINET_UDP_VAR_H_
35#define _NETINET_UDP_VAR_H_
36
37/*
38 * UDP kernel structures and variables.
39 */
40struct udpiphdr {
41 struct ipovly ui_i; /* overlaid ip structure */
42 struct udphdr ui_u; /* udp header */
43};
44#define ui_x1 ui_i.ih_x1
45#define ui_pr ui_i.ih_pr
46#define ui_len ui_i.ih_len
47#define ui_src ui_i.ih_src
48#define ui_dst ui_i.ih_dst
49#define ui_sport ui_u.uh_sport
50#define ui_dport ui_u.uh_dport
51#define ui_ulen ui_u.uh_ulen
52#define ui_sum ui_u.uh_sum
53
54typedef void(*udp_tun_func_t)(struct mbuf *, int off, struct inpcb *);
55
56/*
57 * UDP control block; one per udp.
58 */
59struct udpcb {
60 udp_tun_func_t u_tun_func; /* UDP kernel tunneling callback. */
61 u_int u_flags; /* Generic UDP flags. */
62};
63
64#define intoudpcb(ip) ((struct udpcb *)(ip)->inp_ppcb)
65#define sotoudpcb(so) (intoudpcb(sotoinpcb(so)))
66
67 /* IPsec: ESP in UDP tunneling: */
68#define UF_ESPINUDP_NON_IKE 0x00000001 /* w/ non-IKE marker .. */
69 /* .. per draft-ietf-ipsec-nat-t-ike-0[01],
70 * and draft-ietf-ipsec-udp-encaps-(00/)01.txt */
71#define UF_ESPINUDP 0x00000002 /* w/ non-ESP marker. */
72
73struct udpstat {
74 /* input statistics: */
75 u_long udps_ipackets; /* total input packets */
76 u_long udps_hdrops; /* packet shorter than header */
77 u_long udps_badsum; /* checksum error */
78 u_long udps_nosum; /* no checksum */
79 u_long udps_badlen; /* data length larger than packet */
80 u_long udps_noport; /* no socket on port */
81 u_long udps_noportbcast; /* of above, arrived as broadcast */
82 u_long udps_fullsock; /* not delivered, input socket full */
83 u_long udpps_pcbcachemiss; /* input packets missing pcb cache */
84 u_long udpps_pcbhashmiss; /* input packets not for hashed pcb */
85 /* output statistics: */
86 u_long udps_opackets; /* total output packets */
87 u_long udps_fastout; /* output packets on fast path */
88 /* of no socket on port, arrived as multicast */
89 u_long udps_noportmcast;
90 u_long udps_filtermcast; /* blocked by multicast filter */
91};
92
93#ifdef _KERNEL
94/*
95 * In-kernel consumers can use these accessor macros directly to update
96 * stats.
97 */
98#define UDPSTAT_ADD(name, val) V_udpstat.name += (val)
99#define UDPSTAT_INC(name) UDPSTAT_ADD(name, 1)
100
101/*
102 * Kernel module consumers must use this accessor macro.
103 */
104void kmod_udpstat_inc(int statnum);
105#define KMOD_UDPSTAT_INC(name) \
106 kmod_udpstat_inc(offsetof(struct udpstat, name) / sizeof(u_long))
107#endif
108
109/*
110 * Names for UDP sysctl objects.
111 */
112#define UDPCTL_CHECKSUM 1 /* checksum UDP packets */
113#define UDPCTL_STATS 2 /* statistics (read-only) */
114#define UDPCTL_MAXDGRAM 3 /* max datagram size */
115#define UDPCTL_RECVSPACE 4 /* default receive buffer space */
116#define UDPCTL_PCBLIST 5 /* list of PCBs for UDP sockets */
117#define UDPCTL_MAXID 6
118
119#define UDPCTL_NAMES { \
120 { 0, 0 }, \
121 { "checksum", CTLTYPE_INT }, \
122 { "stats", CTLTYPE_STRUCT }, \
123 { "maxdgram", CTLTYPE_INT }, \
124 { "recvspace", CTLTYPE_INT }, \
125 { "pcblist", CTLTYPE_STRUCT }, \
126}
127
128#ifdef _KERNEL
129SYSCTL_DECL(_net_inet_udp);
130
131extern struct pr_usrreqs udp_usrreqs;
| 32 */
33
34#ifndef _NETINET_UDP_VAR_H_
35#define _NETINET_UDP_VAR_H_
36
37/*
38 * UDP kernel structures and variables.
39 */
40struct udpiphdr {
41 struct ipovly ui_i; /* overlaid ip structure */
42 struct udphdr ui_u; /* udp header */
43};
44#define ui_x1 ui_i.ih_x1
45#define ui_pr ui_i.ih_pr
46#define ui_len ui_i.ih_len
47#define ui_src ui_i.ih_src
48#define ui_dst ui_i.ih_dst
49#define ui_sport ui_u.uh_sport
50#define ui_dport ui_u.uh_dport
51#define ui_ulen ui_u.uh_ulen
52#define ui_sum ui_u.uh_sum
53
54typedef void(*udp_tun_func_t)(struct mbuf *, int off, struct inpcb *);
55
56/*
57 * UDP control block; one per udp.
58 */
59struct udpcb {
60 udp_tun_func_t u_tun_func; /* UDP kernel tunneling callback. */
61 u_int u_flags; /* Generic UDP flags. */
62};
63
64#define intoudpcb(ip) ((struct udpcb *)(ip)->inp_ppcb)
65#define sotoudpcb(so) (intoudpcb(sotoinpcb(so)))
66
67 /* IPsec: ESP in UDP tunneling: */
68#define UF_ESPINUDP_NON_IKE 0x00000001 /* w/ non-IKE marker .. */
69 /* .. per draft-ietf-ipsec-nat-t-ike-0[01],
70 * and draft-ietf-ipsec-udp-encaps-(00/)01.txt */
71#define UF_ESPINUDP 0x00000002 /* w/ non-ESP marker. */
72
73struct udpstat {
74 /* input statistics: */
75 u_long udps_ipackets; /* total input packets */
76 u_long udps_hdrops; /* packet shorter than header */
77 u_long udps_badsum; /* checksum error */
78 u_long udps_nosum; /* no checksum */
79 u_long udps_badlen; /* data length larger than packet */
80 u_long udps_noport; /* no socket on port */
81 u_long udps_noportbcast; /* of above, arrived as broadcast */
82 u_long udps_fullsock; /* not delivered, input socket full */
83 u_long udpps_pcbcachemiss; /* input packets missing pcb cache */
84 u_long udpps_pcbhashmiss; /* input packets not for hashed pcb */
85 /* output statistics: */
86 u_long udps_opackets; /* total output packets */
87 u_long udps_fastout; /* output packets on fast path */
88 /* of no socket on port, arrived as multicast */
89 u_long udps_noportmcast;
90 u_long udps_filtermcast; /* blocked by multicast filter */
91};
92
93#ifdef _KERNEL
94/*
95 * In-kernel consumers can use these accessor macros directly to update
96 * stats.
97 */
98#define UDPSTAT_ADD(name, val) V_udpstat.name += (val)
99#define UDPSTAT_INC(name) UDPSTAT_ADD(name, 1)
100
101/*
102 * Kernel module consumers must use this accessor macro.
103 */
104void kmod_udpstat_inc(int statnum);
105#define KMOD_UDPSTAT_INC(name) \
106 kmod_udpstat_inc(offsetof(struct udpstat, name) / sizeof(u_long))
107#endif
108
109/*
110 * Names for UDP sysctl objects.
111 */
112#define UDPCTL_CHECKSUM 1 /* checksum UDP packets */
113#define UDPCTL_STATS 2 /* statistics (read-only) */
114#define UDPCTL_MAXDGRAM 3 /* max datagram size */
115#define UDPCTL_RECVSPACE 4 /* default receive buffer space */
116#define UDPCTL_PCBLIST 5 /* list of PCBs for UDP sockets */
117#define UDPCTL_MAXID 6
118
119#define UDPCTL_NAMES { \
120 { 0, 0 }, \
121 { "checksum", CTLTYPE_INT }, \
122 { "stats", CTLTYPE_STRUCT }, \
123 { "maxdgram", CTLTYPE_INT }, \
124 { "recvspace", CTLTYPE_INT }, \
125 { "pcblist", CTLTYPE_STRUCT }, \
126}
127
128#ifdef _KERNEL
129SYSCTL_DECL(_net_inet_udp);
130
131extern struct pr_usrreqs udp_usrreqs;
|
132
| |
133VNET_DECLARE(struct inpcbhead, udb);
134VNET_DECLARE(struct inpcbinfo, udbinfo);
| 132VNET_DECLARE(struct inpcbhead, udb);
133VNET_DECLARE(struct inpcbinfo, udbinfo);
|
135VNET_DECLARE(struct udpstat, udpstat);
136VNET_DECLARE(int, udp_blackhole);
137
| |
138#define V_udb VNET(udb)
139#define V_udbinfo VNET(udbinfo)
| 134#define V_udb VNET(udb)
135#define V_udbinfo VNET(udbinfo)
|
140#define V_udpstat VNET(udpstat)
141#define V_udp_blackhole VNET(udp_blackhole)
| |
142
143extern u_long udp_sendspace;
144extern u_long udp_recvspace;
| 136
137extern u_long udp_sendspace;
138extern u_long udp_recvspace;
|
| 139VNET_DECLARE(struct udpstat, udpstat);
140VNET_DECLARE(int, udp_blackhole);
141#define V_udpstat VNET(udpstat)
142#define V_udp_blackhole VNET(udp_blackhole)
|
145extern int udp_log_in_vain;
146
147int udp_newudpcb(struct inpcb *);
148void udp_discardcb(struct udpcb *);
149
150void udp_ctlinput(int, struct sockaddr *, void *);
151int udp_ctloutput(struct socket *, struct sockopt *);
152void udp_init(void);
153#ifdef VIMAGE
154void udp_destroy(void);
155#endif
156void udp_input(struct mbuf *, int);
157struct inpcb *udp_notify(struct inpcb *inp, int errno);
158int udp_shutdown(struct socket *so);
159
160int udp_set_kernel_tunneling(struct socket *so, udp_tun_func_t f);
161#endif
162
163#endif
| 143extern int udp_log_in_vain;
144
145int udp_newudpcb(struct inpcb *);
146void udp_discardcb(struct udpcb *);
147
148void udp_ctlinput(int, struct sockaddr *, void *);
149int udp_ctloutput(struct socket *, struct sockopt *);
150void udp_init(void);
151#ifdef VIMAGE
152void udp_destroy(void);
153#endif
154void udp_input(struct mbuf *, int);
155struct inpcb *udp_notify(struct inpcb *inp, int errno);
156int udp_shutdown(struct socket *so);
157
158int udp_set_kernel_tunneling(struct socket *so, udp_tun_func_t f);
159#endif
160
161#endif
|