usr/src/uts/common/netinet/in_pcb.h

   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 #pragma ident   "%Z%%M% %I%     %E% SMI"
  24 /* in_pcb.h 1.7 88/08/19 SMI; from UCB 7.1 6/5/86       */
  25
  26 #ifdef  __cplusplus
  27 extern "C" {
  28 #endif
  29
  30 struct inpcb {
  31         struct  inpcb *inp_next, *inp_prev;     /* pointers to other pcb's */
  32         struct  inpcb *inp_head;        /* pointer back to chain of inpcb's */
  33                                         /* for this protocol */
  34         struct  in_addr inp_faddr;      /* foreign host table entry */
  35         ushort_t inp_fport;             /* foreign port */
  36         struct  in_addr inp_laddr;      /* local host table entry */
  37         ushort_t inp_lport;             /* local port */
  38         struct  socket *inp_socket;     /* back pointer to socket */
  39         caddr_t inp_ppcb;               /* pointer to per-protocol pcb */
  40         struct  route inp_route;        /* placeholder for routing entry */
  41         struct  mbuf *inp_options;      /* IP options */
  42 };
  43
  44 #define INPLOOKUP_WILDCARD      1
  45 #define INPLOOKUP_SETLOCAL      2
  46
  47 #define sotoinpcb(so)   ((struct inpcb *)(so)->so_pcb)
  48
  49 #ifdef  __cplusplus
  50 }
  51 #endif
  52
  53 #endif  /* _NETINET_IN_PCB_H */