freebsd-dev/sys/net/raw_cb.h
Warner Losh fbbd9655e5 Renumber copyright clause 4
Renumber cluase 4 to 3, per what everybody else did when BSD granted
them permission to remove clause 3. My insistance on keeping the same
numbering for legal reasons is too pedantic, so give up on that point.

Submitted by:	Jan Schaumann <jschauma@stevens.edu>
Pull Request:	https://github.com/freebsd/freebsd/pull/96
2017-02-28 23:42:47 +00:00

90 lines
3.0 KiB
C

/*-
* Copyright (c) 1980, 1986, 1993
* The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)raw_cb.h 8.1 (Berkeley) 6/10/93
* $FreeBSD$
*/
#ifndef _NET_RAW_CB_H_
#define _NET_RAW_CB_H_
#include <sys/queue.h>
/*
* Raw protocol interface control block. Used to tie a socket to the generic
* raw interface.
*/
struct rawcb {
LIST_ENTRY(rawcb) list;
struct socket *rcb_socket; /* back pointer to socket */
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
VNET_DECLARE(LIST_HEAD(rawcb_list_head, rawcb), rawcb_list);
#define V_rawcb_list VNET(rawcb_list)
extern struct mtx rawcb_mtx;
/*
* Generic protosw entries for raw socket protocols.
*/
pr_ctlinput_t raw_ctlinput;
pr_init_t raw_init;
/*
* Library routines for raw socket usrreq functions; will always be wrapped
* so that protocol-specific functions can be handled.
*/
typedef int (*raw_input_cb_fn)(struct mbuf *, struct sockproto *,
struct sockaddr *, struct rawcb *);
int raw_attach(struct socket *, int);
void raw_detach(struct rawcb *);
void raw_input(struct mbuf *, struct sockproto *, struct sockaddr *);
void raw_input_ext(struct mbuf *, struct sockproto *, struct sockaddr *,
raw_input_cb_fn);
/*
* Generic pr_usrreqs entries for raw socket protocols, usually wrapped so
* that protocol-specific functions can be handled.
*/
extern struct pr_usrreqs raw_usrreqs;
#endif
#endif