in_pcb.h revision 1.23
1 /* $NetBSD: in_pcb.h,v 1.23 1998/01/07 22:51:24 lukem Exp $ */ 2 3 /* 4 * Copyright (c) 1982, 1986, 1990, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)in_pcb.h 8.1 (Berkeley) 6/10/93 36 */ 37 38 #include <sys/queue.h> 39 40 /* 41 * Common structure pcb for internet protocol implementation. 42 * Here are stored pointers to local and foreign host table 43 * entries, local and foreign socket numbers, and pointers 44 * up (to a socket structure) and down (to a protocol-specific) 45 * control block. 46 */ 47 struct inpcb { 48 LIST_ENTRY(inpcb) inp_hash; 49 CIRCLEQ_ENTRY(inpcb) inp_queue; 50 struct inpcbtable *inp_table; 51 int inp_state; /* bind/connect state */ 52 u_int16_t inp_fport; /* foreign port */ 53 u_int16_t inp_lport; /* local port */ 54 struct socket *inp_socket; /* back pointer to socket */ 55 caddr_t inp_ppcb; /* pointer to per-protocol pcb */ 56 struct route inp_route; /* placeholder for routing entry */ 57 int inp_flags; /* generic IP/datagram flags */ 58 struct ip inp_ip; /* header prototype; should have more */ 59 struct mbuf *inp_options; /* IP options */ 60 struct ip_moptions *inp_moptions; /* IP multicast options */ 61 int inp_errormtu; /* MTU of last xmit status = EMSGSIZE */ 62 }; 63 #define inp_faddr inp_ip.ip_dst 64 #define inp_laddr inp_ip.ip_src 65 66 LIST_HEAD(inpcbhead, inpcb); 67 68 struct inpcbtable { 69 CIRCLEQ_HEAD(, inpcb) inpt_queue; 70 struct inpcbhead *inpt_bindhashtbl; 71 struct inpcbhead *inpt_connecthashtbl; 72 u_long inpt_bindhash; 73 u_long inpt_connecthash; 74 u_int16_t inpt_lastport; 75 u_int16_t inpt_lastlow; 76 }; 77 #define inpt_lasthi inpt_lastport 78 79 /* states in inp_state: */ 80 #define INP_ATTACHED 0 81 #define INP_BOUND 1 82 #define INP_CONNECTED 2 83 84 /* flags in inp_flags: */ 85 #define INP_RECVOPTS 0x01 /* receive incoming IP options */ 86 #define INP_RECVRETOPTS 0x02 /* receive IP options for reply */ 87 #define INP_RECVDSTADDR 0x04 /* receive IP dst address */ 88 #define INP_HDRINCL 0x08 /* user supplies entire IP header */ 89 #define INP_HIGHPORT 0x10 /* (unused; FreeBSD compat) */ 90 #define INP_LOWPORT 0x20 /* user wants "low" port binding */ 91 #define INP_ANONPORT 0x40 /* port chosen for user */ 92 #define INP_RECVIF 0x80 /* receive incoming interface */ 93 #define INP_CONTROLOPTS (INP_RECVOPTS|INP_RECVRETOPTS|INP_RECVDSTADDR|\ 94 INP_RECVIF) 95 96 #define INPLOOKUP_WILDCARD 1 97 98 #define sotoinpcb(so) ((struct inpcb *)(so)->so_pcb) 99 100 #ifdef _KERNEL 101 void in_losing __P((struct inpcb *)); 102 int in_pcballoc __P((struct socket *, void *)); 103 int in_pcbbind __P((void *, struct mbuf *, struct proc *)); 104 int in_pcbconnect __P((void *, struct mbuf *)); 105 void in_pcbdetach __P((void *)); 106 void in_pcbdisconnect __P((void *)); 107 void in_pcbinit __P((struct inpcbtable *, int, int)); 108 struct inpcb * 109 in_pcblookup_bind __P((struct inpcbtable *, 110 struct in_addr, u_int)); 111 struct inpcb * 112 in_pcblookup_connect __P((struct inpcbtable *, 113 struct in_addr, u_int, struct in_addr, u_int)); 114 int in_pcbnotify __P((struct inpcbtable *, struct in_addr, u_int, 115 struct in_addr, u_int, int, void (*)(struct inpcb *, int))); 116 void in_pcbnotifyall __P((struct inpcbtable *, struct in_addr, int, 117 void (*)(struct inpcb *, int))); 118 void in_pcbstate __P((struct inpcb *, int)); 119 void in_rtchange __P((struct inpcb *, int)); 120 void in_setpeeraddr __P((struct inpcb *, struct mbuf *)); 121 void in_setsockaddr __P((struct inpcb *, struct mbuf *)); 122 struct rtentry * 123 in_pcbrtentry __P((struct inpcb *)); 124 #endif 125
Indexes created Wed Sep 24 22:09:59 GMT 2025