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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _NETINET_IGMP_VAR_H
#define _NETINET_IGMP_VAR_H
#ifdef __cplusplus
extern "C" {
#endif
/*
* Internet Group Management Protocol (IGMP),
* implementation-specific definitions.
*
* Written by Steve Deering, Stanford, May 1988.
* Modified by Ajit Thyagarajan, PARC, August 1994.
*
* MULTICAST 3.5.1.1
*/
struct igmpstat {
uint_t igps_rcv_total; /* total IGMP messages received */
uint_t igps_rcv_tooshort; /* received with too few bytes */
uint_t igps_rcv_badsum; /* received with bad checksum */
uint_t igps_rcv_queries; /* received membership queries */
uint_t igps_rcv_badqueries; /* received invalid queries */
uint_t igps_rcv_reports; /* received membership reports */
uint_t igps_rcv_badreports; /* received invalid reports */
uint_t igps_rcv_ourreports; /* received reports for our groups */
uint_t igps_snd_reports; /* sent membership reports */
};
#ifdef _KERNEL
/*
* slowtimo interval used for both IGMP and MLD
*/
#define MCAST_SLOWTIMO_INTERVAL 10000 /* milliseconds */
/*
* Macro to compute a random timer value between 1 and maxticks.
* Include <sys/random.h> for random_get_pseudo_bytes() declaration.
*/
#include <sys/random.h>
#define MCAST_RANDOM_DELAY(timer, maxticks) \
/* uint_t timer; int maxticks */ \
(void) random_get_pseudo_bytes((uint8_t *)&(timer), sizeof (uint_t)); \
(timer) = ((uint_t)(timer) % (maxticks)) + 1
/*
* States for IGMPv2's leave processing
*/
#define IGMP_OTHERMEMBER 0
#define IGMP_IREPORTEDLAST 1
/*
* We must remember what version the subnet's querier is.
*/
#define IGMP_V1_ROUTER 0
#define IGMP_V2_ROUTER 1
#define IGMP_V3_ROUTER 2
/*
* Map MLD versions to corresponding IGMP versions
*/
#define MLD_V1_ROUTER IGMP_V2_ROUTER
#define MLD_V2_ROUTER IGMP_V3_ROUTER
/*
* Default values for various IGMPv3/MLDv2 values
*/
#define MCAST_DEF_ROBUSTNESS 2
#define MCAST_QUERY_RESP_INTERVAL 10 /* in seconds */
#define MCAST_DEF_QUERY_INTERVAL 125 /* in seconds */
#define MCAST_DEF_QUERY_RESP_INTERVAL 100 /* in tenths of secs */
#define MCAST_DEF_UNSOL_RPT_INTERVAL 1 /* in seconds */
/*
* IGMP and MLD mandate a TTL/Hop Limit of 1 for protocol messages
*/
#define IGMP_TTL 1
#define MLD_HOP_LIMIT 1
#endif /* _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _NETINET_IGMP_VAR_H */
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