NetBSD/sys/netinet/in_pcb_hdr.h

134 lines
5.1 KiB
C

/* $NetBSD: in_pcb_hdr.h,v 1.7 2011/09/24 17:18:17 christos Exp $ */
/*
* Copyright (C) 2003 WIDE Project.
* 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. Neither the name of the project 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 PROJECT 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 PROJECT 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.
*/
/*
* 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. 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
*/
#ifndef _NETINET_IN_PCB_HDR_H_
#define _NETINET_IN_PCB_HDR_H_
#include <sys/queue.h>
struct inpcbpolicy;
/*
* align it with inpcb and in6pcb!
*/
struct inpcb_hdr {
LIST_ENTRY(inpcb_hdr) inph_hash;
LIST_ENTRY(inpcb_hdr) inph_lhash;
CIRCLEQ_ENTRY(inpcb_hdr) inph_queue;
int inph_af; /* address family - AF_INET */
void * inph_ppcb; /* pointer to per-protocol pcb */
int inph_state; /* bind/connect state */
int inph_rfc6056algo;
struct socket *inph_socket; /* back pointer to socket */
struct inpcbtable *inph_table;
#if 1 /* IPSEC */
struct inpcbpolicy *inph_sp; /* security policy */
#endif
};
#define sotoinpcb_hdr(so) ((struct inpcb_hdr *)(so)->so_pcb)
LIST_HEAD(inpcbhead, inpcb_hdr);
struct vestigial_inpcb;
/* Hooks for vestigial pcb entries.
* If vestigial entries exist for a table (TCP only)
* the vestigial pointer is set.
*/
typedef struct vestigial_hooks {
/* IPv4 hooks */
void *(*init_ports4)(struct in_addr, u_int, int);
int (*next_port4)(void *, struct vestigial_inpcb *);
int (*lookup4)(struct in_addr, uint16_t,
struct in_addr, uint16_t,
struct vestigial_inpcb *);
/* IPv6 hooks */
void *(*init_ports6)(const struct in6_addr*, u_int, int);
int (*next_port6)(void *, struct vestigial_inpcb *);
int (*lookup6)(const struct in6_addr *, uint16_t,
const struct in6_addr *, uint16_t,
struct vestigial_inpcb *);
} vestigial_hooks_t;
struct inpcbtable {
CIRCLEQ_HEAD(, inpcb_hdr) inpt_queue;
struct inpcbhead *inpt_porthashtbl;
struct inpcbhead *inpt_bindhashtbl;
struct inpcbhead *inpt_connecthashtbl;
u_long inpt_porthash;
u_long inpt_bindhash;
u_long inpt_connecthash;
u_int16_t inpt_lastport;
u_int16_t inpt_lastlow;
vestigial_hooks_t *vestige;
};
#define inpt_lasthi inpt_lastport
/* states in inp_state: */
#define INP_ATTACHED 0
#define INP_BOUND 1
#define INP_CONNECTED 2
#endif /* !_NETINET_IN_PCB_HDR_H_ */