1 /* 2 * Copyright (c) 1997-1998 by Sun Microsystems, Inc. 3 * All rights reserved. 4 */ 5 6 /* 7 * Copyright (c) 1982, 1986 Regents of the University of California. 8 * All rights reserved. The Berkeley software License Agreement 9 * specifies the terms and conditions for redistribution. 10 */ 11 12 /* 13 * Common structure pcb for internet protocol implementation. 14 * Here are stored pointers to local and foreign host table 15 * entries, local and foreign socket numbers, and pointers 16 * up (to a socket structure) and down (to a protocol-specific) 17 * control block. 18 */ 19 20 #ifndef _NETINET_IN_PCB_H 21 #define _NETINET_IN_PCB_H 22 23 /* in_pcb.h 1.7 88/08/19 SMI; from UCB 7.1 6/5/86 */ 24 25 #ifdef __cplusplus 26 extern "C" { 27 #endif 28 29 struct inpcb { 30 struct inpcb *inp_next, *inp_prev; /* pointers to other pcb's */ 31 struct inpcb *inp_head; /* pointer back to chain of inpcb's */ 32 /* for this protocol */ 33 struct in_addr inp_faddr; /* foreign host table entry */ 34 ushort_t inp_fport; /* foreign port */ 35 struct in_addr inp_laddr; /* local host table entry */ 36 ushort_t inp_lport; /* local port */ 37 struct socket *inp_socket; /* back pointer to socket */ 38 caddr_t inp_ppcb; /* pointer to per-protocol pcb */ 39 struct route inp_route; /* placeholder for routing entry */ 40 struct mbuf *inp_options; /* IP options */ 41 }; 42 43 #define INPLOOKUP_WILDCARD 1 44 #define INPLOOKUP_SETLOCAL 2 45 46 #define sotoinpcb(so) ((struct inpcb *)(so)->so_pcb) 47 48 #ifdef __cplusplus 49 } 50 #endif 51 52 #endif /* _NETINET_IN_PCB_H */ 53