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8ae0e4b4 KM |
1 | /* |
2 | * Copyright (c) 1982 Regents of the University of California. | |
3 | * All rights reserved. The Berkeley software License Agreement | |
4 | * specifies the terms and conditions for redistribution. | |
5 | * | |
6 | * @(#)in_pcb.h 6.2 (Berkeley) %G% | |
7 | */ | |
bae4854b BJ |
8 | |
9 | /* | |
10 | * Common structure pcb for internet protocol implementation. | |
11 | * Here are stored pointers to local and foreign host table | |
12 | * entries, local and foreign socket numbers, and pointers | |
13 | * up (to a socket structure) and down (to a protocol-specific) | |
14 | * control block. | |
15 | */ | |
16 | struct inpcb { | |
17 | struct inpcb *inp_next,*inp_prev; | |
18 | /* pointers to other pcb's */ | |
b454c3ea BJ |
19 | struct inpcb *inp_head; /* pointer back to chain of inpcb's |
20 | for this protocol */ | |
bae4854b BJ |
21 | struct in_addr inp_faddr; /* foreign host table entry */ |
22 | u_short inp_fport; /* foreign port */ | |
23 | struct in_addr inp_laddr; /* local host table entry */ | |
24 | u_short inp_lport; /* local port */ | |
25 | struct socket *inp_socket; /* back pointer to socket */ | |
26 | caddr_t inp_ppcb; /* pointer to per-protocol pcb */ | |
c124e997 | 27 | struct route inp_route; /* placeholder for routing entry */ |
bae4854b BJ |
28 | }; |
29 | ||
ebcadd38 BJ |
30 | #define INPLOOKUP_WILDCARD 1 |
31 | #define INPLOOKUP_SETLOCAL 2 | |
32 | ||
bae4854b BJ |
33 | #define sotoinpcb(so) ((struct inpcb *)(so)->so_pcb) |
34 | ||
35 | #ifdef KERNEL | |
36 | struct inpcb *in_pcblookup(); | |
37 | #endif |