/* $OpenBSD: in_pcb.h,v 1.2 1996/03/03 22:30:32 niklas Exp $ */ /* $NetBSD: in_pcb.h,v 1.14 1996/02/13 23:42:00 christos Exp $ */ /* * 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 */ #include /* * 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 { LIST_ENTRY(inpcb) inp_hash; CIRCLEQ_ENTRY(inpcb) inp_queue; struct inpcbtable *inp_table; struct in_addr inp_faddr; /* foreign host table entry */ struct in_addr inp_laddr; /* local host table entry */ u_int16_t inp_fport; /* foreign port */ u_int16_t inp_lport; /* local port */ struct socket *inp_socket; /* back pointer to socket */ caddr_t inp_ppcb; /* pointer to per-protocol pcb */ 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 inpcbtable { CIRCLEQ_HEAD(, inpcb) inpt_queue; LIST_HEAD(inpcbhead, inpcb) *inpt_hashtbl; u_long inpt_hash; u_int16_t inpt_lastport; }; /* 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 INPLOOKUP_WILDCARD 1 #define INPLOOKUP_SETLOCAL 2 #define sotoinpcb(so) ((struct inpcb *)(so)->so_pcb) #ifdef _KERNEL void in_losing __P((struct inpcb *)); int in_pcballoc __P((struct socket *, void *)); int in_pcbbind __P((void *, struct mbuf *)); int in_pcbconnect __P((void *, struct mbuf *)); void in_pcbdetach __P((void *)); void in_pcbdisconnect __P((void *)); struct inpcb * in_pcbhashlookup __P((struct inpcbtable *, struct in_addr, u_int, struct in_addr, u_int)); void in_pcbinit __P((struct inpcbtable *, int)); struct inpcb * in_pcblookup __P((struct inpcbtable *, struct in_addr, u_int, struct in_addr, u_int, int)); void in_pcbnotify __P((struct inpcbtable *, struct sockaddr *, u_int, struct in_addr, u_int, int, void (*)(struct inpcb *, int))); void in_pcbnotifyall __P((struct inpcbtable *, struct sockaddr *, int, void (*)(struct inpcb *, int))); void in_pcbrehash __P((struct inpcb *)); void in_rtchange __P((struct inpcb *, int)); void in_setpeeraddr __P((struct inpcb *, struct mbuf *)); void in_setsockaddr __P((struct inpcb *, struct mbuf *)); #endif