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- /*
- * Copyright (c) 1982, 1986 Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms are permitted
- * provided that the above copyright notice and this paragraph are
- * duplicated in all such forms and that any documentation,
- * advertising materials, and other materials related to such
- * distribution and use acknowledge that the software was developed
- * by the University of California, Berkeley. The name of the
- * University may not be used to endorse or promote products derived
- * from this software without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- *
- * @(#)in_pcb.h 7.3 (Berkeley) 6/29/88 plus MULTICAST 1.0
- */
-
- /*
- * 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.
- */
- 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 */
- u_short inp_fport; /* foreign port */
- struct in_addr inp_laddr; /* local host table entry */
- u_short 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 */
- struct mbuf *inp_moptions; /* IP multicast options */
- };
-
- #define INPLOOKUP_WILDCARD 1
- #define INPLOOKUP_SETLOCAL 2
-
- #define sotoinpcb(so) ((struct inpcb *)(so)->so_pcb)
-
- #ifdef KERNEL
- struct inpcb *in_pcblookup();
- #endif
-