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8ae0e4b4 | 1 | /* |
0880b18e | 2 | * Copyright (c) 1982, 1986 Regents of the University of California. |
2b6b6284 | 3 | * All rights reserved. |
8ae0e4b4 | 4 | * |
2b6b6284 | 5 | * Redistribution and use in source and binary forms are permitted |
616d42db KB |
6 | * provided that the above copyright notice and this paragraph are |
7 | * duplicated in all such forms and that any documentation, | |
8 | * advertising materials, and other materials related to such | |
9 | * distribution and use acknowledge that the software was developed | |
10 | * by the University of California, Berkeley. The name of the | |
11 | * University may not be used to endorse or promote products derived | |
12 | * from this software without specific prior written permission. | |
13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
14 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
15 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
2b6b6284 | 16 | * |
616d42db | 17 | * @(#)in_pcb.h 7.3 (Berkeley) %G% |
8ae0e4b4 | 18 | */ |
bae4854b BJ |
19 | |
20 | /* | |
21 | * Common structure pcb for internet protocol implementation. | |
22 | * Here are stored pointers to local and foreign host table | |
23 | * entries, local and foreign socket numbers, and pointers | |
24 | * up (to a socket structure) and down (to a protocol-specific) | |
25 | * control block. | |
26 | */ | |
27 | struct inpcb { | |
28 | struct inpcb *inp_next,*inp_prev; | |
29 | /* pointers to other pcb's */ | |
b454c3ea BJ |
30 | struct inpcb *inp_head; /* pointer back to chain of inpcb's |
31 | for this protocol */ | |
bae4854b BJ |
32 | struct in_addr inp_faddr; /* foreign host table entry */ |
33 | u_short inp_fport; /* foreign port */ | |
34 | struct in_addr inp_laddr; /* local host table entry */ | |
35 | u_short inp_lport; /* local port */ | |
36 | struct socket *inp_socket; /* back pointer to socket */ | |
37 | caddr_t inp_ppcb; /* pointer to per-protocol pcb */ | |
c124e997 | 38 | struct route inp_route; /* placeholder for routing entry */ |
ae484c2c | 39 | struct mbuf *inp_options; /* IP options */ |
bae4854b BJ |
40 | }; |
41 | ||
ebcadd38 BJ |
42 | #define INPLOOKUP_WILDCARD 1 |
43 | #define INPLOOKUP_SETLOCAL 2 | |
44 | ||
bae4854b BJ |
45 | #define sotoinpcb(so) ((struct inpcb *)(so)->so_pcb) |
46 | ||
47 | #ifdef KERNEL | |
48 | struct inpcb *in_pcblookup(); | |
49 | #endif |