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
|
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
54struct inpcb;
55struct mbuf;
56
57typedef void(*udp_tun_func_t)(struct mbuf *, int off, struct inpcb *);
58
59/*
60 * UDP control block; one per udp.
61 */
62struct udpcb {
63 udp_tun_func_t u_tun_func; /* UDP kernel tunneling callback. */
64 u_int u_flags; /* Generic UDP flags. */
65};
66
67#define intoudpcb(ip) ((struct udpcb *)(ip)->inp_ppcb)
68#define sotoudpcb(so) (intoudpcb(sotoinpcb(so)))
69
70 /* IPsec: ESP in UDP tunneling: */
71#define UF_ESPINUDP_NON_IKE 0x00000001 /* w/ non-IKE marker .. */
72 /* .. per draft-ietf-ipsec-nat-t-ike-0[01],
73 * and draft-ietf-ipsec-udp-encaps-(00/)01.txt */
74#define UF_ESPINUDP 0x00000002 /* w/ non-ESP marker. */
75
76struct udpstat {
77 /* input statistics: */
78 uint64_t udps_ipackets; /* total input packets */
79 uint64_t udps_hdrops; /* packet shorter than header */
80 uint64_t udps_badsum; /* checksum error */
81 uint64_t udps_nosum; /* no checksum */
82 uint64_t udps_badlen; /* data length larger than packet */
83 uint64_t udps_noport; /* no socket on port */
84 uint64_t udps_noportbcast; /* of above, arrived as broadcast */
85 uint64_t udps_fullsock; /* not delivered, input socket full */
86 uint64_t udpps_pcbcachemiss; /* input packets missing pcb cache */
87 uint64_t udpps_pcbhashmiss; /* input packets not for hashed pcb */
88 /* output statistics: */
89 uint64_t udps_opackets; /* total output packets */
90 uint64_t udps_fastout; /* output packets on fast path */
91 /* of no socket on port, arrived as multicast */
92 uint64_t udps_noportmcast;
93 uint64_t udps_filtermcast; /* blocked by multicast filter */
94};
95
96#ifdef _KERNEL
97#include <sys/counter.h>
98
99VNET_PCPUSTAT_DECLARE(struct udpstat, udpstat);
100/*
101 * In-kernel consumers can use these accessor macros directly to update
102 * stats.
103 */
104#define UDPSTAT_ADD(name, val) \
105 VNET_PCPUSTAT_ADD(struct udpstat, udpstat, name, (val))
106#define UDPSTAT_INC(name) UDPSTAT_ADD(name, 1)
107
108/*
109 * Kernel module consumers must use this accessor macro.
110 */
111void kmod_udpstat_inc(int statnum);
112#define KMOD_UDPSTAT_INC(name) \
113 kmod_udpstat_inc(offsetof(struct udpstat, name) / sizeof(uint64_t))
114#endif
115
116/*
117 * Names for UDP sysctl objects.
118 */
119#define UDPCTL_CHECKSUM 1 /* checksum UDP packets */
120#define UDPCTL_STATS 2 /* statistics (read-only) */
121#define UDPCTL_MAXDGRAM 3 /* max datagram size */
122#define UDPCTL_RECVSPACE 4 /* default receive buffer space */
123#define UDPCTL_PCBLIST 5 /* list of PCBs for UDP sockets */
124#define UDPCTL_MAXID 6
125
126#define UDPCTL_NAMES { \
127 { 0, 0 }, \
128 { "checksum", CTLTYPE_INT }, \
129 { "stats", CTLTYPE_STRUCT }, \
130 { "maxdgram", CTLTYPE_INT }, \
131 { "recvspace", CTLTYPE_INT }, \
132 { "pcblist", CTLTYPE_STRUCT }, \
133}
134
135#ifdef _KERNEL
136SYSCTL_DECL(_net_inet_udp);
137
138extern struct pr_usrreqs udp_usrreqs;
139VNET_DECLARE(struct inpcbhead, udb);
140VNET_DECLARE(struct inpcbinfo, udbinfo);
141#define V_udb VNET(udb)
142#define V_udbinfo VNET(udbinfo)
143
144extern u_long udp_sendspace;
145extern u_long udp_recvspace;
146VNET_DECLARE(int, udp_cksum);
147VNET_DECLARE(int, udp_blackhole);
148#define V_udp_cksum VNET(udp_cksum)
149#define V_udp_blackhole VNET(udp_blackhole)
150extern int udp_log_in_vain;
151
152int udp_newudpcb(struct inpcb *);
153void udp_discardcb(struct udpcb *);
154
155void udp_ctlinput(int, struct sockaddr *, void *);
156int udp_ctloutput(struct socket *, struct sockopt *);
157void udp_init(void);
158#ifdef VIMAGE
159void udp_destroy(void);
160#endif
161void udp_input(struct mbuf *, int);
162struct inpcb *udp_notify(struct inpcb *inp, int errno);
163int udp_shutdown(struct socket *so);
164
165int udp_set_kernel_tunneling(struct socket *so, udp_tun_func_t f);
166#endif
167
168#endif
| 46#define ui_pr ui_i.ih_pr
47#define ui_len ui_i.ih_len
48#define ui_src ui_i.ih_src
49#define ui_dst ui_i.ih_dst
50#define ui_sport ui_u.uh_sport
51#define ui_dport ui_u.uh_dport
52#define ui_ulen ui_u.uh_ulen
53#define ui_sum ui_u.uh_sum
54
55struct inpcb;
56struct mbuf;
57
58typedef void(*udp_tun_func_t)(struct mbuf *, int off, struct inpcb *);
59
60/*
61 * UDP control block; one per udp.
62 */
63struct udpcb {
64 udp_tun_func_t u_tun_func; /* UDP kernel tunneling callback. */
65 u_int u_flags; /* Generic UDP flags. */
66};
67
68#define intoudpcb(ip) ((struct udpcb *)(ip)->inp_ppcb)
69#define sotoudpcb(so) (intoudpcb(sotoinpcb(so)))
70
71 /* IPsec: ESP in UDP tunneling: */
72#define UF_ESPINUDP_NON_IKE 0x00000001 /* w/ non-IKE marker .. */
73 /* .. per draft-ietf-ipsec-nat-t-ike-0[01],
74 * and draft-ietf-ipsec-udp-encaps-(00/)01.txt */
75#define UF_ESPINUDP 0x00000002 /* w/ non-ESP marker. */
76
77struct udpstat {
78 /* input statistics: */
79 uint64_t udps_ipackets; /* total input packets */
80 uint64_t udps_hdrops; /* packet shorter than header */
81 uint64_t udps_badsum; /* checksum error */
82 uint64_t udps_nosum; /* no checksum */
83 uint64_t udps_badlen; /* data length larger than packet */
84 uint64_t udps_noport; /* no socket on port */
85 uint64_t udps_noportbcast; /* of above, arrived as broadcast */
86 uint64_t udps_fullsock; /* not delivered, input socket full */
87 uint64_t udpps_pcbcachemiss; /* input packets missing pcb cache */
88 uint64_t udpps_pcbhashmiss; /* input packets not for hashed pcb */
89 /* output statistics: */
90 uint64_t udps_opackets; /* total output packets */
91 uint64_t udps_fastout; /* output packets on fast path */
92 /* of no socket on port, arrived as multicast */
93 uint64_t udps_noportmcast;
94 uint64_t udps_filtermcast; /* blocked by multicast filter */
95};
96
97#ifdef _KERNEL
98#include <sys/counter.h>
99
100VNET_PCPUSTAT_DECLARE(struct udpstat, udpstat);
101/*
102 * In-kernel consumers can use these accessor macros directly to update
103 * stats.
104 */
105#define UDPSTAT_ADD(name, val) \
106 VNET_PCPUSTAT_ADD(struct udpstat, udpstat, name, (val))
107#define UDPSTAT_INC(name) UDPSTAT_ADD(name, 1)
108
109/*
110 * Kernel module consumers must use this accessor macro.
111 */
112void kmod_udpstat_inc(int statnum);
113#define KMOD_UDPSTAT_INC(name) \
114 kmod_udpstat_inc(offsetof(struct udpstat, name) / sizeof(uint64_t))
115#endif
116
117/*
118 * Names for UDP sysctl objects.
119 */
120#define UDPCTL_CHECKSUM 1 /* checksum UDP packets */
121#define UDPCTL_STATS 2 /* statistics (read-only) */
122#define UDPCTL_MAXDGRAM 3 /* max datagram size */
123#define UDPCTL_RECVSPACE 4 /* default receive buffer space */
124#define UDPCTL_PCBLIST 5 /* list of PCBs for UDP sockets */
125#define UDPCTL_MAXID 6
126
127#define UDPCTL_NAMES { \
128 { 0, 0 }, \
129 { "checksum", CTLTYPE_INT }, \
130 { "stats", CTLTYPE_STRUCT }, \
131 { "maxdgram", CTLTYPE_INT }, \
132 { "recvspace", CTLTYPE_INT }, \
133 { "pcblist", CTLTYPE_STRUCT }, \
134}
135
136#ifdef _KERNEL
137SYSCTL_DECL(_net_inet_udp);
138
139extern struct pr_usrreqs udp_usrreqs;
140VNET_DECLARE(struct inpcbhead, udb);
141VNET_DECLARE(struct inpcbinfo, udbinfo);
142#define V_udb VNET(udb)
143#define V_udbinfo VNET(udbinfo)
144
145extern u_long udp_sendspace;
146extern u_long udp_recvspace;
147VNET_DECLARE(int, udp_cksum);
148VNET_DECLARE(int, udp_blackhole);
149#define V_udp_cksum VNET(udp_cksum)
150#define V_udp_blackhole VNET(udp_blackhole)
151extern int udp_log_in_vain;
152
153int udp_newudpcb(struct inpcb *);
154void udp_discardcb(struct udpcb *);
155
156void udp_ctlinput(int, struct sockaddr *, void *);
157int udp_ctloutput(struct socket *, struct sockopt *);
158void udp_init(void);
159#ifdef VIMAGE
160void udp_destroy(void);
161#endif
162void udp_input(struct mbuf *, int);
163struct inpcb *udp_notify(struct inpcb *inp, int errno);
164int udp_shutdown(struct socket *so);
165
166int udp_set_kernel_tunneling(struct socket *so, udp_tun_func_t f);
167#endif
168
169#endif
|