The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/net/raw_cb.h

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    1 /*-
    2  * Copyright (c) 1980, 1986, 1993
    3  *      The Regents of the University of California.  All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  * 4. Neither the name of the University nor the names of its contributors
   14  *    may be used to endorse or promote products derived from this software
   15  *    without specific prior written permission.
   16  *
   17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   27  * SUCH DAMAGE.
   28  *
   29  *      @(#)raw_cb.h    8.1 (Berkeley) 6/10/93
   30  * $FreeBSD: releng/6.2/sys/net/raw_cb.h 139823 2005-01-07 01:45:51Z imp $
   31  */
   32 
   33 #ifndef _NET_RAW_CB_H_
   34 #define _NET_RAW_CB_H_
   35 
   36 #include <sys/queue.h>
   37 
   38 /*
   39  * Raw protocol interface control block.  Used
   40  * to tie a socket to the generic raw interface.
   41  */
   42 struct rawcb {
   43         LIST_ENTRY(rawcb) list;
   44         struct  socket *rcb_socket;     /* back pointer to socket */
   45         struct  sockaddr *rcb_faddr;    /* destination address */
   46         struct  sockaddr *rcb_laddr;    /* socket's address */
   47         struct  sockproto rcb_proto;    /* protocol family, protocol */
   48 };
   49 
   50 #define sotorawcb(so)           ((struct rawcb *)(so)->so_pcb)
   51 
   52 /*
   53  * Nominal space allocated to a raw socket.
   54  */
   55 #define RAWSNDQ         8192
   56 #define RAWRCVQ         8192
   57 
   58 #ifdef _KERNEL
   59 extern LIST_HEAD(rawcb_list_head, rawcb) rawcb_list;
   60 extern struct mtx rawcb_mtx;
   61 
   62 /* protosw entries */
   63 pr_ctlinput_t   raw_ctlinput;
   64 pr_init_t       raw_init;
   65 
   66 /* usrreq entries */
   67 int      raw_attach(struct socket *, int);
   68 void     raw_detach(struct rawcb *);
   69 void     raw_disconnect(struct rawcb *);
   70 
   71 #if 0 /* what the ??? */
   72 pr_input_t      raw_input;
   73 #else
   74 void     raw_input(struct mbuf *,
   75             struct sockproto *, struct sockaddr *, struct sockaddr *);
   76 #endif
   77 
   78 extern  struct pr_usrreqs raw_usrreqs;
   79 #endif
   80 
   81 #endif

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