| 0,0 → 1,100 |
|---|
| /*!\file netinet/in_pcb.h |
| * Internal IP structures. |
| */ |
| |
| /* |
| * 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 |
| * $Id: in_pcb.h,v 1.14.2.2 1997/03/03 09:24:37 davidg Exp $ |
| */ |
| |
| #ifndef __NETINET_IN_PCB_H |
| #define __NETINET_IN_PCB_H |
| |
| #include <sys/queue.h> |
| |
| /* |
| * 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. |
| */ |
| LIST_HEAD(inpcbhead, inpcb); |
| |
| struct inpcb { |
| LIST_ENTRY(inpcb) inp_list; /* list for all PCBs of this proto */ |
| LIST_ENTRY(inpcb) inp_hash; /* hash list */ |
| struct inpcbinfo *inp_pcbinfo; |
| struct in_addr inp_faddr; /* foreign host table entry */ |
| u_short inp_fport; /* foreign port */ |
| struct in_addr inp_laddr; /* local host table entry */ |
| u_short 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 inpcbinfo { |
| struct inpcbhead *listhead; |
| struct inpcbhead *hashbase; |
| unsigned long hashmask; |
| unsigned short lastport; |
| unsigned short lastlow; |
| unsigned short lasthi; |
| }; |
| |
| #define INP_PCBHASH(faddr, lport, fport, mask) \ |
| (((faddr) ^ ((faddr) >> 16) ^ (lport) ^ (fport)) & (mask)) |
| |
| /* 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 /* user wants "high" port binding */ |
| #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 INPLOOKUP_WILDCARD 1 |
| |
| #define sotoinpcb(so) ((struct inpcb *)(so)->so_pcb) |
| |
| #endif |