FreeBSD/Linux Kernel Cross Reference
sys/netinet/in_pcb.h
1 /* $NetBSD: in_pcb.h,v 1.45 2007/12/16 18:39:57 elad Exp $ */
2
3 /*
4 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the project nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32 /*
33 * Copyright (c) 1982, 1986, 1990, 1993
34 * The Regents of the University of California. All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 * 1. Redistributions of source code must retain the above copyright
40 * notice, this list of conditions and the following disclaimer.
41 * 2. Redistributions in binary form must reproduce the above copyright
42 * notice, this list of conditions and the following disclaimer in the
43 * documentation and/or other materials provided with the distribution.
44 * 3. Neither the name of the University nor the names of its contributors
45 * may be used to endorse or promote products derived from this software
46 * without specific prior written permission.
47 *
48 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
49 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
50 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
51 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
52 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
53 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
54 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
55 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
56 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
57 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
58 * SUCH DAMAGE.
59 *
60 * @(#)in_pcb.h 8.1 (Berkeley) 6/10/93
61 */
62
63 #ifndef _NETINET_IN_PCB_H_
64 #define _NETINET_IN_PCB_H_
65
66 #include <sys/queue.h>
67 #include <netinet/in_pcb_hdr.h>
68
69 /*
70 * Common structure pcb for internet protocol implementation.
71 * Here are stored pointers to local and foreign host table
72 * entries, local and foreign socket numbers, and pointers
73 * up (to a socket structure) and down (to a protocol-specific)
74 * control block.
75 */
76 struct inpcb {
77 struct inpcb_hdr inp_head;
78 #define inp_hash inp_head.inph_hash
79 #define inp_queue inp_head.inph_queue
80 #define inp_af inp_head.inph_af
81 #define inp_ppcb inp_head.inph_ppcb
82 #define inp_state inp_head.inph_state
83 #define inp_socket inp_head.inph_socket
84 #define inp_table inp_head.inph_table
85 #define inp_sp inp_head.inph_sp
86 struct route inp_route; /* placeholder for routing entry */
87 u_int16_t inp_fport; /* foreign port */
88 u_int16_t inp_lport; /* local port */
89 int inp_flags; /* generic IP/datagram flags */
90 struct ip inp_ip; /* header prototype; should have more */
91 struct mbuf *inp_options; /* IP options */
92 struct ip_moptions *inp_moptions; /* IP multicast options */
93 int inp_errormtu; /* MTU of last xmit status = EMSGSIZE */
94 };
95
96 #define inp_faddr inp_ip.ip_dst
97 #define inp_laddr inp_ip.ip_src
98
99 /* flags in inp_flags: */
100 #define INP_RECVOPTS 0x01 /* receive incoming IP options */
101 #define INP_RECVRETOPTS 0x02 /* receive IP options for reply */
102 #define INP_RECVDSTADDR 0x04 /* receive IP dst address */
103 #define INP_HDRINCL 0x08 /* user supplies entire IP header */
104 #define INP_HIGHPORT 0x10 /* (unused; FreeBSD compat) */
105 #define INP_LOWPORT 0x20 /* user wants "low" port binding */
106 #define INP_ANONPORT 0x40 /* port chosen for user */
107 #define INP_RECVIF 0x80 /* receive incoming interface */
108 /* XXX should move to an UDP control block */
109 #define INP_ESPINUDP 0x100 /* ESP over UDP for NAT-T */
110 #define INP_ESPINUDP_NON_IKE 0x200 /* ESP over UDP for NAT-T */
111 #define INP_CONTROLOPTS (INP_RECVOPTS|INP_RECVRETOPTS|INP_RECVDSTADDR|\
112 INP_RECVIF)
113 #define INP_ESPINUDP_ALL (INP_ESPINUDP|INP_ESPINUDP_NON_IKE)
114 #define INP_NOHEADER 0x400 /* Kernel removes IP header
115 * before feeding a packet
116 * to the raw socket user.
117 * The socket user will
118 * not supply an IP header.
119 * Cancels INP_HDRINCL.
120 */
121
122 #define sotoinpcb(so) ((struct inpcb *)(so)->so_pcb)
123
124 #ifdef _KERNEL
125 void in_losing(struct inpcb *);
126 int in_pcballoc(struct socket *, void *);
127 int in_pcbbind(void *, struct mbuf *, struct lwp *);
128 int in_pcbconnect(void *, struct mbuf *, struct lwp *);
129 void in_pcbdetach(void *);
130 void in_pcbdisconnect(void *);
131 void in_pcbinit(struct inpcbtable *, int, int);
132 struct inpcb *
133 in_pcblookup_port(struct inpcbtable *,
134 struct in_addr, u_int, int);
135 struct inpcb *
136 in_pcblookup_bind(struct inpcbtable *,
137 struct in_addr, u_int);
138 struct inpcb *
139 in_pcblookup_connect(struct inpcbtable *,
140 struct in_addr, u_int, struct in_addr, u_int);
141 int in_pcbnotify(struct inpcbtable *, struct in_addr, u_int,
142 struct in_addr, u_int, int, void (*)(struct inpcb *, int));
143 void in_pcbnotifyall(struct inpcbtable *, struct in_addr, int,
144 void (*)(struct inpcb *, int));
145 void in_pcbpurgeif0(struct inpcbtable *, struct ifnet *);
146 void in_pcbpurgeif(struct inpcbtable *, struct ifnet *);
147 void in_pcbstate(struct inpcb *, int);
148 void in_rtchange(struct inpcb *, int);
149 void in_setpeeraddr(struct inpcb *, struct mbuf *);
150 void in_setsockaddr(struct inpcb *, struct mbuf *);
151 struct rtentry *
152 in_pcbrtentry(struct inpcb *);
153 extern struct sockaddr_in *in_selectsrc(struct sockaddr_in *,
154 struct route *, int, struct ip_moptions *, int *);
155 #endif
156
157 #endif /* !_NETINET_IN_PCB_H_ */
Cache object: 39fcb482df9d4f32e340a73864fd969e
|