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 /*      $NetBSD: raw_cb.h,v 1.30 2018/09/07 06:13:14 maxv Exp $ */
    2 
    3 /*
    4  * Copyright (c) 1980, 1986, 1993
    5  *      The Regents of the University of California.  All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  * 3. Neither the name of the University nor the names of its contributors
   16  *    may be used to endorse or promote products derived from this software
   17  *    without specific prior written permission.
   18  *
   19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   29  * SUCH DAMAGE.
   30  *
   31  *      @(#)raw_cb.h    8.1 (Berkeley) 6/10/93
   32  */
   33 
   34 #ifndef _NET_RAW_CB_H_
   35 #define _NET_RAW_CB_H_
   36 
   37 #ifdef _KERNEL
   38 
   39 /*
   40  * Raw protocol interface control block.  Used
   41  * to tie a socket to the generic raw interface.
   42  */
   43 struct rawcb {
   44         LIST_ENTRY(rawcb) rcb_list;     /* doubly linked list */
   45         struct  socket *rcb_socket;     /* back pointer to socket */
   46         struct  sockaddr *rcb_faddr;    /* destination address */
   47         struct  sockaddr *rcb_laddr;    /* socket's address */
   48         struct  sockproto rcb_proto;    /* protocol family, protocol */
   49         int     (*rcb_filter)(struct mbuf *, struct sockproto *,
   50                               struct rawcb *);
   51         size_t  rcb_len;
   52 };
   53 
   54 #define sotorawcb(so)           ((struct rawcb *)(so)->so_pcb)
   55 
   56 /*
   57  * Nominal space allocated to a raw socket.
   58  */
   59 #define RAWSNDQ         8192
   60 #define RAWRCVQ         16384
   61 
   62 LIST_HEAD(rawcbhead, rawcb);
   63 
   64 int     raw_attach(struct socket *, int, struct rawcbhead *);
   65 void    *raw_ctlinput(int, const struct sockaddr *, void *);
   66 void    raw_detach(struct socket *);
   67 void    raw_disconnect(struct rawcb *);
   68 void    raw_input(struct mbuf *, struct sockproto *, struct sockaddr *,
   69             struct sockaddr *, struct rawcbhead *);
   70 int     raw_usrreq(struct socket *,
   71             int, struct mbuf *, struct mbuf *, struct mbuf *, struct lwp *);
   72 void    raw_setsockaddr(struct rawcb *, struct sockaddr *);
   73 void    raw_setpeeraddr(struct rawcb *, struct sockaddr *);
   74 int     raw_send(struct socket *,
   75             struct mbuf *, struct sockaddr *, struct mbuf *, struct lwp *,
   76             int (*)(struct mbuf *, struct socket *));
   77 
   78 #endif /* _KERNEL */
   79 
   80 #endif /* !_NET_RAW_CB_H_ */

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