xref: /freebsd-10.3-release/sys/dev/wtap/plugins/visibility.h

/*-
 * Copyright (c) 2011 Monthadar Al Jaberi, TerraNet AB
 * 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,
 *    without modification.
 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
 *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
 *    redistribution must be conditioned upon including a substantially
 *    similar Disclaimer requirement for further binary redistribution.
 *
 * NO WARRANTY
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES.
 *
 * $FreeBSD: head/sys/dev/wtap/plugins/visibility.h 229970 2012-01-11 17:41:14Z adrian $
 */
#ifndef _VISIBILITY_H_
#define _VISIBILITY_H_

#include "wtap_plugin.h"
#include "visibility_ioctl.h"

#define CDEV_GET_SOFTC(x) (x)->si_drv1

#define ARRAY_SIZE (32) //We support a maximum of 1024 nodes for now

struct vis_map {
	uint32_t map[ARRAY_SIZE];
};

struct visibility_plugin {
	struct wtap_plugin	base;
	struct mtx		pl_mtx;
	struct vis_map pl_node[MAX_NBR_WTAP];
};

void visibility_init(struct wtap_plugin *);
void visibility_deinit(struct wtap_plugin *);
void visibility_work(struct wtap_plugin *, struct packet *);

#endif