projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| b688fc87 WJ |
1 | /* |
| 2 | * Copyright (c) 1982, 1986, 1990 Regents of the University of California. | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * Redistribution and use in source and binary forms, with or without | |
| 6 | * modification, are permitted provided that the following conditions | |
| 7 | * are met: | |
| 8 | * 1. Redistributions of source code must retain the above copyright | |
| 9 | * notice, this list of conditions and the following disclaimer. | |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 11 | * notice, this list of conditions and the following disclaimer in the | |
| 12 | * documentation and/or other materials provided with the distribution. | |
| 13 | * 3. All advertising materials mentioning features or use of this software | |
| 14 | * must display the following acknowledgement: | |
| 15 | * This product includes software developed by the University of | |
| 16 | * California, Berkeley and its contributors. | |
| 17 | * 4. Neither the name of the University nor the names of its contributors | |
| 18 | * may be used to endorse or promote products derived from this software | |
| 19 | * without specific prior written permission. | |
| 20 | * | |
| 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 31 | * SUCH DAMAGE. | |
| 32 | * | |
| 33 | * @(#)in_pcb.h 7.6 (Berkeley) 6/28/90 | |
| 34 | */ | |
| 35 | ||
| 36 | /* | |
| 37 | * Common structure pcb for internet protocol implementation. | |
| 38 | * Here are stored pointers to local and foreign host table | |
| 39 | * entries, local and foreign socket numbers, and pointers | |
| 40 | * up (to a socket structure) and down (to a protocol-specific) | |
| 41 | * control block. | |
| 42 | */ | |
| 43 | struct inpcb { | |
| 44 | struct inpcb *inp_next,*inp_prev; | |
| 45 | /* pointers to other pcb's */ | |
| 46 | struct inpcb *inp_head; /* pointer back to chain of inpcb's | |
| 47 | for this protocol */ | |
| 48 | struct in_addr inp_faddr; /* foreign host table entry */ | |
| 49 | u_short inp_fport; /* foreign port */ | |
| 50 | struct in_addr inp_laddr; /* local host table entry */ | |
| 51 | u_short inp_lport; /* local port */ | |
| 52 | struct socket *inp_socket; /* back pointer to socket */ | |
| 53 | caddr_t inp_ppcb; /* pointer to per-protocol pcb */ | |
| 54 | struct route inp_route; /* placeholder for routing entry */ | |
| 55 | int inp_flags; /* generic IP/datagram flags */ | |
| 56 | struct ip inp_ip; /* header prototype; should have more */ | |
| 57 | struct mbuf *inp_options; /* IP options */ | |
| 58 | }; | |
| 59 | ||
| 60 | /* flags in inp_flags: */ | |
| 61 | #define INP_RECVOPTS 0x01 /* receive incoming IP options */ | |
| 62 | #define INP_RECVRETOPTS 0x02 /* receive IP options for reply */ | |
| 63 | #define INP_RECVDSTADDR 0x04 /* receive IP dst address */ | |
| 64 | #define INP_CONTROLOPTS (INP_RECVOPTS|INP_RECVRETOPTS|INP_RECVDSTADDR) | |
| 65 | ||
| 66 | #ifdef sotorawcb | |
| 67 | /* | |
| 68 | * Common structure pcb for raw internet protocol access. | |
| 69 | * Here are internet specific extensions to the raw control block, | |
| 70 | * and space is allocated to the necessary sockaddrs. | |
| 71 | */ | |
| 72 | struct raw_inpcb { | |
| 73 | struct rawcb rinp_rcb; /* common control block prefix */ | |
| 74 | struct mbuf *rinp_options; /* IP options */ | |
| 75 | int rinp_flags; /* flags, e.g. raw sockopts */ | |
| 76 | #define RINPF_HDRINCL 0x1 /* user supplies entire IP header */ | |
| 77 | struct sockaddr_in rinp_faddr; /* foreign address */ | |
| 78 | struct sockaddr_in rinp_laddr; /* local address */ | |
| 79 | struct route rinp_route; /* placeholder for routing entry */ | |
| 80 | }; | |
| 81 | #endif | |
| 82 | ||
| 83 | #define INPLOOKUP_WILDCARD 1 | |
| 84 | #define INPLOOKUP_SETLOCAL 2 | |
| 85 | ||
| 86 | #define sotoinpcb(so) ((struct inpcb *)(so)->so_pcb) | |
| 87 | #define sotorawinpcb(so) ((struct raw_inpcb *)(so)->so_pcb) | |
| 88 | ||
| 89 | #ifdef KERNEL | |
| 90 | struct inpcb *in_pcblookup(); | |
| 91 | #endif |