/* $NetBSD: in_pcb.h,v 1.34 2003/08/07 16:33:10 agc Exp $ */ /* * Copyright (C) 1995, 1996, 1997, and 1998 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_H_ #define _NETINET_IN_PCB_H_ #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 inpcbpolicy; struct inpcb { LIST_ENTRY(inpcb) inp_hash; CIRCLEQ_ENTRY(inpcb) inp_queue; caddr_t inp_ppcb; /* pointer to per-protocol pcb */ int inp_state; /* bind/connect state */ u_int16_t inp_fport; /* foreign port */ u_int16_t inp_lport; /* local port */ struct socket *inp_socket; /* back pointer to socket */ 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 */ int inp_errormtu; /* MTU of last xmit status = EMSGSIZE */ struct inpcbtable *inp_table; #if 1 /*IPSEC*/ struct inpcbpolicy *inp_sp; /* security policy. */ #endif LIST_ENTRY(inpcb) inp_ialink; struct in_ifaddr *inp_ia; /* in_ifaddr which laddr is bound */ }; #define inp_faddr inp_ip.ip_dst #define inp_laddr inp_ip.ip_src LIST_HEAD(inpcbhead, inpcb); struct inpcbtable { CIRCLEQ_HEAD(, inpcb) inpt_queue; struct inpcbhead *inpt_bindhashtbl; struct inpcbhead *inpt_connecthashtbl; u_long inpt_bindhash; u_long inpt_connecthash; u_int16_t inpt_lastport; u_int16_t inpt_lastlow; }; #define inpt_lasthi inpt_lastport /* states in inp_state: */ #define INP_ATTACHED 0 #define INP_BOUND 1 #define INP_CONNECTED 2 /* 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_HDRINCL 0x08 /* user supplies entire IP header */ #define INP_HIGHPORT 0x10 /* (unused; FreeBSD compat) */ #define INP_LOWPORT 0x20 /* user wants "low" port binding */ #define INP_ANONPORT 0x40 /* port chosen for user */ #define INP_RECVIF 0x80 /* receive incoming interface */ #define INP_CONTROLOPTS (INP_RECVOPTS|INP_RECVRETOPTS|INP_RECVDSTADDR|\ INP_RECVIF) #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 *, struct proc *)); int in_pcbconnect __P((void *, struct mbuf *)); void in_pcbdetach __P((void *)); void in_pcbdisconnect __P((void *)); void in_pcbinit __P((struct inpcbtable *, int, int)); struct inpcb * in_pcblookup_bind __P((struct inpcbtable *, struct in_addr, u_int)); struct inpcb * in_pcblookup_connect __P((struct inpcbtable *, struct in_addr, u_int, struct in_addr, u_int)); int in_pcbnotify __P((struct inpcbtable *, struct in_addr, u_int, struct in_addr, u_int, int, void (*)(struct inpcb *, int))); void in_pcbnotifyall __P((struct inpcbtable *, struct in_addr, int, void (*)(struct inpcb *, int))); void in_pcbpurgeif0 __P((struct inpcbtable *, struct ifnet *)); void in_pcbpurgeif __P((struct inpcbtable *, struct ifnet *)); void in_pcbstate __P((struct inpcb *, int)); void in_rtchange __P((struct inpcb *, int)); void in_setpeeraddr __P((struct inpcb *, struct mbuf *)); void in_setsockaddr __P((struct inpcb *, struct mbuf *)); struct rtentry * in_pcbrtentry __P((struct inpcb *)); extern struct sockaddr_in *in_selectsrc __P((struct sockaddr_in *, struct route *, int, struct ip_moptions *, int *)); #endif #endif /* _NETINET_IN_PCB_H_ */