Source to bsd/netinet/in_pcb.h
/*
* Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
* "Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
* Reserved. This file contains Original Code and/or Modifications of
* Original Code as defined in and that are subject to the Apple Public
* Source License Version 1.0 (the 'License'). You may not use this file
* except in compliance with the License. Please obtain a copy of the
* License at http://www.apple.com/publicsource and read it before using
* this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
* License for the specific language governing rights and limitations
* under the License."
*
* @APPLE_LICENSE_HEADER_END@
*/
/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
/*
* Copyright (c) 1982, 1986, 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)in_pcb.h 8.1 (Berkeley) 6/10/93
*/
struct inpcb_hash_str {
struct inpcb *(*hash_array)[];
u_long hash_mask;
u_long n_elements;
};
/*
* Common structure pcb for internet protocol implementation.
* Here are stored pointers to local and foreign host table
* entries, local and foreign socket numbers, and pointers
* up (to a socket structure) and down (to a protocol-specific)
* control block.
*/
struct inpcb {
struct inpcb *inp_next,*inp_prev;
/* pointers to other pcb's */
struct inpcb *inp_head; /* pointer back to chain of inpcb's
for this protocol */
struct in_addr inp_faddr; /* foreign host table entry */
u_short inp_fport; /* foreign port */
struct in_addr inp_laddr; /* local host table entry */
u_short inp_lport; /* local port */
struct socket *inp_socket; /* back pointer to socket */
caddr_t inp_ppcb; /* pointer to per-protocol pcb */
caddr_t inp_saved_ppcb; /* place to save pointer while cached */
struct route inp_route; /* placeholder for routing entry */
int inp_flags; /* generic IP/datagram flags */
struct ip inp_ip; /* header prototype; should have more */
struct mbuf *inp_options; /* IP options */
struct ip_moptions *inp_moptions; /* IP multicast options */
struct inpcb_hash_str *hash_str;
struct inpcb_hash_str *lport_hash_str;
struct inpcb *hash_next;
struct inpcb *hash_prev;
u_long hash_element;
struct inpcb *lport_hash_next;
struct inpcb *lport_hash_prev;
u_long lport_hash_element;
};
/* flags in inp_flags: */
#define INP_RECVOPTS 0x01 /* receive incoming IP options */
#define INP_RECVRETOPTS 0x02 /* receive IP options for reply */
#define INP_RECVDSTADDR 0x04 /* receive IP dst address */
#define INP_CONTROLOPTS (INP_RECVOPTS|INP_RECVRETOPTS|INP_RECVDSTADDR)
#define INP_HDRINCL 0x08 /* user supplies entire IP header */
#define INP_NOLOOKUP 0x10 /* don't need to re-issue lookup in 'in_pcbconnect' */
/* we've already failed to find this address in tcp_input */
#define INPLOOKUP_WILDCARD 1
#define INPLOOKUP_SETLOCAL 2
#define sotoinpcb(so) ((struct inpcb *)(so)->so_pcb)
#ifdef _KERNEL
int in_losing __P((struct inpcb *));
int in_pcballoc __P((struct socket *, struct inpcb *,
struct inpcb_hash_str *, struct inpcb_hash_str *));
int in_pcbbind __P((struct inpcb *, struct mbuf *));
int in_pcbconnect __P((struct inpcb *, struct mbuf *));
int in_pcbdetach __P((struct inpcb *));
int in_pcbdisconnect __P((struct inpcb *));
struct inpcb *
in_pcblookup __P((struct inpcb *,
struct in_addr, u_int, struct in_addr, u_int, int));
int in_pcbnotify __P((struct inpcb *, struct sockaddr *,
u_int, struct in_addr, u_int, int, void (*)(struct inpcb *, int)));
void in_rtchange __P((struct inpcb *, int));
int in_setpeeraddr __P((struct inpcb *, struct mbuf *));
int in_setsockaddr __P((struct inpcb *, struct mbuf *));
void lport_hash_remove __P((struct inpcb *));
void lport_hash_insert __P((struct inpcb *));
void hash_remove __P((struct inpcb *));
void hash_insert __P((struct inpcb *));
struct inpcb *inet_hash1 __P((struct inpcb_hash_str *, u_long, u_short, u_long, u_short));
struct inpcb *inet_lport_hash1 __P((struct inpcb_hash_str *, u_short));
struct inpcb *
hash_in_pcbwild __P((struct inpcb *, struct in_addr, u_int, struct in_addr, u_int, int));
struct inpcb *
lport_hash_in_pcbwild __P((struct inpcb *, struct in_addr, u_int, struct in_addr, u_int, int));
struct inpcb *
hash_in_pcblookup __P((struct inpcb *,
struct in_addr, u_int, struct in_addr, u_int));
#endif