1 | /* $NetBSD: in_pcb.h,v 1.60 2016/04/26 08:44:44 ozaki-r 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 <net/route.h> |
68 | #include <netinet/in_pcb_hdr.h> |
69 | |
70 | /* |
71 | * Common structure pcb for internet protocol implementation. |
72 | * Here are stored pointers to local and foreign host table |
73 | * entries, local and foreign socket numbers, and pointers |
74 | * up (to a socket structure) and down (to a protocol-specific) |
75 | * control block. |
76 | */ |
77 | struct inpcb { |
78 | struct inpcb_hdr inp_head; |
79 | #define inp_hash inp_head.inph_hash |
80 | #define inp_queue inp_head.inph_queue |
81 | #define inp_af inp_head.inph_af |
82 | #define inp_ppcb inp_head.inph_ppcb |
83 | #define inp_state inp_head.inph_state |
84 | #define inp_portalgo inp_head.inph_portalgo |
85 | #define inp_socket inp_head.inph_socket |
86 | #define inp_table inp_head.inph_table |
87 | #define inp_sp inp_head.inph_sp |
88 | struct route inp_route; /* placeholder for routing entry */ |
89 | u_int16_t inp_fport; /* foreign port */ |
90 | u_int16_t inp_lport; /* local port */ |
91 | int inp_flags; /* generic IP/datagram flags */ |
92 | struct ip inp_ip; /* header prototype; should have more */ |
93 | struct mbuf *inp_options; /* IP options */ |
94 | struct ip_moptions *inp_moptions; /* IP multicast options */ |
95 | int inp_errormtu; /* MTU of last xmit status = EMSGSIZE */ |
96 | uint8_t inp_ip_minttl; |
97 | bool inp_bindportonsend; |
98 | }; |
99 | |
100 | #define inp_faddr inp_ip.ip_dst |
101 | #define inp_laddr inp_ip.ip_src |
102 | |
103 | /* flags in inp_flags: */ |
104 | #define INP_RECVOPTS 0x0001 /* receive incoming IP options */ |
105 | #define INP_RECVRETOPTS 0x0002 /* receive IP options for reply */ |
106 | #define INP_RECVDSTADDR 0x0004 /* receive IP dst address */ |
107 | #define INP_HDRINCL 0x0008 /* user supplies entire IP header */ |
108 | #define INP_HIGHPORT 0x0010 /* (unused; FreeBSD compat) */ |
109 | #define INP_LOWPORT 0x0020 /* user wants "low" port binding */ |
110 | #define INP_ANONPORT 0x0040 /* port chosen for user */ |
111 | #define INP_RECVIF 0x0080 /* receive incoming interface */ |
112 | /* XXX should move to an UDP control block */ |
113 | #define INP_ESPINUDP 0x0100 /* ESP over UDP for NAT-T */ |
114 | #define INP_ESPINUDP_NON_IKE 0x0200 /* ESP over UDP for NAT-T */ |
115 | #define INP_ESPINUDP_ALL (INP_ESPINUDP|INP_ESPINUDP_NON_IKE) |
116 | #define 0x0400 /* Kernel removes IP header |
117 | * before feeding a packet |
118 | * to the raw socket user. |
119 | * The socket user will |
120 | * not supply an IP header. |
121 | * Cancels INP_HDRINCL. |
122 | */ |
123 | #define INP_RECVTTL 0x0800 /* receive incoming IP TTL */ |
124 | #define INP_PKTINFO 0x1000 /* receive dst packet info */ |
125 | #define INP_RECVPKTINFO 0x2000 /* receive dst packet info */ |
126 | #define INP_CONTROLOPTS (INP_RECVOPTS|INP_RECVRETOPTS|INP_RECVDSTADDR|\ |
127 | INP_RECVIF|INP_RECVTTL|INP_RECVPKTINFO|\ |
128 | INP_PKTINFO) |
129 | |
130 | #define sotoinpcb(so) ((struct inpcb *)(so)->so_pcb) |
131 | |
132 | #ifdef _KERNEL |
133 | void in_losing(struct inpcb *); |
134 | int in_pcballoc(struct socket *, void *); |
135 | int in_pcbbind(void *, struct sockaddr_in *, struct lwp *); |
136 | int in_pcbconnect(void *, struct sockaddr_in *, struct lwp *); |
137 | void in_pcbdetach(void *); |
138 | void in_pcbdisconnect(void *); |
139 | void in_pcbinit(struct inpcbtable *, int, int); |
140 | struct inpcb * |
141 | in_pcblookup_port(struct inpcbtable *, |
142 | struct in_addr, u_int, int, struct vestigial_inpcb *); |
143 | struct inpcb * |
144 | in_pcblookup_bind(struct inpcbtable *, |
145 | struct in_addr, u_int); |
146 | struct inpcb * |
147 | in_pcblookup_connect(struct inpcbtable *, |
148 | struct in_addr, u_int, struct in_addr, u_int, |
149 | struct vestigial_inpcb *); |
150 | int in_pcbnotify(struct inpcbtable *, struct in_addr, u_int, |
151 | struct in_addr, u_int, int, void (*)(struct inpcb *, int)); |
152 | void in_pcbnotifyall(struct inpcbtable *, struct in_addr, int, |
153 | void (*)(struct inpcb *, int)); |
154 | void in_pcbpurgeif0(struct inpcbtable *, struct ifnet *); |
155 | void in_pcbpurgeif(struct inpcbtable *, struct ifnet *); |
156 | void in_purgeifmcast(struct ip_moptions *, struct ifnet *); |
157 | void in_pcbstate(struct inpcb *, int); |
158 | void in_rtchange(struct inpcb *, int); |
159 | void in_setpeeraddr(struct inpcb *, struct sockaddr_in *); |
160 | void in_setsockaddr(struct inpcb *, struct sockaddr_in *); |
161 | struct rtentry * |
162 | in_pcbrtentry(struct inpcb *); |
163 | #endif |
164 | |
165 | #endif /* !_NETINET_IN_PCB_H_ */ |
166 | |