usr/src/sys/net/raw_cb.h

/*
 * Copyright (c) 1980, 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.
 *
 *      @(#)raw_cb.h    7.5 (Berkeley) %G%
 */

/*
 * Raw protocol interface control block.  Used
 * to tie a socket to the generic raw interface.
 */
struct rawcb {
        struct  rawcb *rcb_next;        /* doubly linked list */
        struct  rawcb *rcb_prev;
        struct  socket *rcb_socket;     /* back pointer to socket */
        struct  sockaddr *rcb_faddr;    /* destination address */
        struct  sockaddr *rcb_laddr;    /* socket's address */
        struct  sockproto rcb_proto;    /* protocol family, protocol */
};

#define sotorawcb(so)           ((struct rawcb *)(so)->so_pcb)

/*
 * Nominal space allocated to a raw socket.
 */
#define RAWSNDQ         8192
#define RAWRCVQ         8192

#ifdef KERNEL
struct rawcb rawcb;                     /* head of list */
#endif