2.11BSD#431 - /usr/src/sys/netinet/in_pcb.h

   1: /*
   2:  * Copyright (c) 1982, 1986 Regents of the University of California.
   3:  * All rights reserved.
   4:  *
   5:  * Redistribution and use in source and binary forms are permitted
   6:  * provided that this notice is preserved and that due credit is given
   7:  * to the University of California at Berkeley. The name of the University
   8:  * may not be used to endorse or promote products derived from this
   9:  * software without specific prior written permission. This software
  10:  * is provided ``as is'' without express or implied warranty.
  11:  *
  12:  *	@(#)in_pcb.h	7.2 (Berkeley) 12/7/87
  13:  */
  14: 
  15: /*
  16:  * Common structure pcb for internet protocol implementation.
  17:  * Here are stored pointers to local and foreign host table
  18:  * entries, local and foreign socket numbers, and pointers
  19:  * up (to a socket structure) and down (to a protocol-specific)
  20:  * control block.
  21:  */
  22: struct inpcb {
  23:     struct  inpcb *inp_next,*inp_prev;
  24:                     /* pointers to other pcb's */
  25:     struct  inpcb *inp_head;    /* pointer back to chain of inpcb's
  26: 					   for this protocol */
  27:     struct  in_addr inp_faddr;  /* foreign host table entry */
  28:     u_short inp_fport;      /* foreign port */
  29:     struct  in_addr inp_laddr;  /* local host table entry */
  30:     u_short inp_lport;      /* local port */
  31:     struct  socket *inp_socket; /* back pointer to socket */
  32:     caddr_t inp_ppcb;       /* pointer to per-protocol pcb */
  33:     struct  route inp_route;    /* placeholder for routing entry */
  34:     struct  mbuf *inp_options;  /* IP options */
  35: };
  36: 
  37: #define INPLOOKUP_WILDCARD  1
  38: #define INPLOOKUP_SETLOCAL  2
  39: 
  40: #define sotoinpcb(so)   ((struct inpcb *)(so)->so_pcb)
  41: 
  42: #ifdef SUPERVISOR
  43: struct  inpcb *in_pcblookup();
  44: #endif

Defined struct's

Defined macros

Usage of this include