source: rtems/cpukit/libnetworking/netinet/in_pcb.h @ dc28f16

4.104.114.84.9
Last change on this file since dc28f16 was dc28f16, checked in by Ralf Corsepius <ralf.corsepius@…>, on Apr 20, 2004 at 12:28:19 PM

Use -D_KERNEL instead of -DKERNEL for greater FreeBSD compliance.

  • Property mode set to 100644
File size: 6.1 KB
Line 
1/*
2 * Copyright (c) 1982, 1986, 1990, 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 *      @(#)in_pcb.h    8.1 (Berkeley) 6/10/93
34 * $Id$
35 */
36
37#ifndef _NETINET_IN_PCB_H_
38#define _NETINET_IN_PCB_H_
39
40#include <sys/queue.h>
41
42/*
43 * Common structure pcb for internet protocol implementation.
44 * Here are stored pointers to local and foreign host table
45 * entries, local and foreign socket numbers, and pointers
46 * up (to a socket structure) and down (to a protocol-specific)
47 * control block.
48 */
49LIST_HEAD(inpcbhead, inpcb);
50
51typedef u_int64_t inp_gen_t;
52
53struct inpcb {
54        LIST_ENTRY(inpcb) inp_list;             /* list for all PCBs of this proto */
55        LIST_ENTRY(inpcb) inp_hash;             /* hash list */
56        struct  inpcbinfo *inp_pcbinfo; /* PCB list info */
57        struct  in_addr inp_faddr;      /* foreign host table entry */
58        struct  in_addr inp_laddr;      /* local host table entry */
59        u_short inp_fport;              /* foreign port */
60        u_short inp_lport;              /* local port */
61        caddr_t inp_ppcb;               /* pointer to per-protocol pcb */
62        struct  socket *inp_socket;     /* back pointer to socket */
63        struct  mbuf *inp_options;      /* IP options */
64        struct  route inp_route;        /* placeholder for routing entry */
65        int     inp_flags;              /* generic IP/datagram flags */
66        u_char  inp_ip_tos;             /* type of service proto */
67        u_char  inp_ip_ttl;             /* time to live proto */
68        u_char  inp_ip_p;               /* protocol proto */
69        u_char  pad[1];                 /* alignment */
70        struct  ip_moptions *inp_moptions; /* IP multicast options */
71        inp_gen_t       inp_gencnt;     /* generation count of this instance */
72#if 0 /* Someday, perhaps... */
73        struct  ip inp_ip;              /* header prototype; should have more */
74#endif
75};
76
77/*
78 * Interface exported to userland by various protocols which use
79 * inpcbs.  Hack alert -- only define if struct xsocket is in scope.
80 *
81 * ccj - 20 Nov 2002
82 * Double hack alert. This is taken from the pre 5.0 sources and
83 * merged into RTEMS. This allows the TCPCTL_PCBLIST code in
84 * net-snmp to work.
85 */
86#ifdef _SYS_SOCKETVAR_H_
87typedef u_int64_t so_gen_t; /* should be in sys/sockvar.h */
88
89struct  xinpcb {
90        size_t  xi_len;         /* length of this structure */
91        struct  inpcb xi_inp;
92/*      struct  xsocket xi_socket; ccj removed */
93        u_int64_t       xi_alignment_hack;
94};
95
96
97struct  xinpgen {
98        size_t  xig_len;        /* length of this structure */
99        u_int   xig_count;      /* number of PCBs at this time */
100        inp_gen_t xig_gen;      /* generation count at this time */
101        so_gen_t xig_sogen;     /* socket generation count at this time */
102};
103#endif /* _SYS_SOCKETVAR_H_ */
104
105struct inpcbinfo {
106        struct inpcbhead *listhead;
107        struct inpcbhead *hashbase;
108        unsigned long hashmask;
109        unsigned short lastport;
110        unsigned short lastlow;
111        unsigned short lasthi;
112        u_int   ipi_count;      /* number of pcbs in this list */
113        u_int64_t ipi_gencnt;   /* current generation count */
114};
115
116#define INP_PCBHASH(faddr, lport, fport, mask) \
117        (((faddr) ^ ((faddr) >> 16) ^ (lport) ^ (fport)) & (mask))
118
119/* flags in inp_flags: */
120#define INP_RECVOPTS            0x01    /* receive incoming IP options */
121#define INP_RECVRETOPTS         0x02    /* receive IP options for reply */
122#define INP_RECVDSTADDR         0x04    /* receive IP dst address */
123#define INP_HDRINCL             0x08    /* user supplies entire IP header */
124#define INP_HIGHPORT            0x10    /* user wants "high" port binding */
125#define INP_LOWPORT             0x20    /* user wants "low" port binding */
126#define INP_ANONPORT            0x40    /* port chosen for user */
127#define INP_RECVIF              0x80    /* receive incoming interface */
128#define INP_CONTROLOPTS         (INP_RECVOPTS|INP_RECVRETOPTS|INP_RECVDSTADDR|\
129                                        INP_RECVIF)
130
131#define INPLOOKUP_WILDCARD      1
132
133#define sotoinpcb(so)   ((struct inpcb *)(so)->so_pcb)
134
135#ifdef _KERNEL
136void     in_losing __P((struct inpcb *));
137int      in_pcballoc __P((struct socket *, struct inpcbinfo *));
138int      in_pcbbind __P((struct inpcb *, struct mbuf *));
139int      in_pcbconnect __P((struct inpcb *, struct mbuf *));
140void     in_pcbdetach __P((struct inpcb *));
141void     in_pcbdisconnect __P((struct inpcb *));
142int      in_pcbladdr __P((struct inpcb *, struct mbuf *,
143            struct sockaddr_in **));
144struct inpcb *
145         in_pcblookup __P((struct inpcbinfo *,
146            struct in_addr, u_int, struct in_addr, u_int, int));
147struct inpcb *
148         in_pcblookuphash __P((struct inpcbinfo *,
149            struct in_addr, u_int, struct in_addr, u_int, int));
150void     in_pcbnotify __P((struct inpcbhead *, struct sockaddr *,
151            u_int, struct in_addr, u_int, int, void (*)(struct inpcb *, int)));
152void     in_pcbrehash __P((struct inpcb *));
153void     in_setpeeraddr __P((struct inpcb *, struct mbuf *));
154void     in_setsockaddr __P((struct inpcb *, struct mbuf *));
155#endif
156
157#endif
Note: See TracBrowser for help on using the repository browser.