in_pcb.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* Copyright (c) 1997-1998 by Sun Microsystems, Inc.
* All rights reserved.
*/
/*
* Copyright (c) 1982, 1986 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*/
/*
* 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.
*/
#ifndef _NETINET_IN_PCB_H
#define _NETINET_IN_PCB_H
#pragma ident "%Z%%M% %I% %E% SMI"
/* in_pcb.h 1.7 88/08/19 SMI; from UCB 7.1 6/5/86 */
#ifdef __cplusplus
extern "C" {
#endif
struct inpcb {
struct inpcb *inp_next, *inp_prev; /* pointers to other pcb's */
struct inpcb *inp_head; /* pointer back to chain of inpcb's */
/* for this protocol */
struct in_addr inp_faddr; /* foreign host table entry */
ushort_t inp_fport; /* foreign port */
struct in_addr inp_laddr; /* local host table entry */
ushort_t 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 */
struct mbuf *inp_options; /* IP options */
};
#define INPLOOKUP_WILDCARD 1
#define INPLOOKUP_SETLOCAL 2
#define sotoinpcb(so) ((struct inpcb *)(so)->so_pcb)
#ifdef __cplusplus
}
#endif
#endif /* _NETINET_IN_PCB_H */