LCOM1920-T02G10

/*        $NetBSD: in_pcb_hdr.h,v 1.11 2014/05/30 01:39:03 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;

        TAILQ_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_portalgo;

        struct          socket *inph_socket;        /* back pointer to socket */

        struct          inpcbtable *inph_table;

        struct          inpcbpolicy *inph_sp;        /* security policy */

};

#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;

TAILQ_HEAD(inpcbqueue, inpcb_hdr);

struct inpcbtable {

        struct          inpcbqueue 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_ */