+++ /dev/null
-/*
- * Copyright (c) 2002 CITEL Technologies Ltd.
- * 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 CITEL Technologies Ltd 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 CITEL TECHNOLOGIES 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 CITEL TECHNOLOGIES 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.
- *
- * This file is a contribution to the lwIP TCP/IP stack.
- * The Swedish Institute of Computer Science and Adam Dunkels
- * are specifically granted permission to redistribute this
- * source code.
-*/
-
-#ifndef __LWIP_IGMP_H__
-#define __LWIP_IGMP_H__
-
-#include "lwip/opt.h"
-#include "lwip/ip_addr.h"
-#include "lwip/netif.h"
-#include "lwip/pbuf.h"
-
-#if LWIP_IGMP /* don't build if not configured for use in lwipopts.h */
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-
-/* IGMP timer */
-#define IGMP_TMR_INTERVAL 100 /* Milliseconds */
-#define IGMP_V1_DELAYING_MEMBER_TMR (1000/IGMP_TMR_INTERVAL)
-#define IGMP_JOIN_DELAYING_MEMBER_TMR (500 /IGMP_TMR_INTERVAL)
-
-/* MAC Filter Actions, these are passed to a netif's
- * igmp_mac_filter callback function. */
-#define IGMP_DEL_MAC_FILTER 0
-#define IGMP_ADD_MAC_FILTER 1
-
-
-/**
- * igmp group structure - there is
- * a list of groups for each interface
- * these should really be linked from the interface, but
- * if we keep them separate we will not affect the lwip original code
- * too much
- *
- * There will be a group for the all systems group address but this
- * will not run the state machine as it is used to kick off reports
- * from all the other groups
- */
-struct igmp_group {
- /** next link */
- struct igmp_group *next;
- /** interface on which the group is active */
- struct netif *netif;
- /** multicast address */
- ip_addr_t group_address;
- /** signifies we were the last person to report */
- u8_t last_reporter_flag;
- /** current state of the group */
- u8_t group_state;
- /** timer for reporting, negative is OFF */
- u16_t timer;
- /** counter of simultaneous uses */
- u8_t use;
-};
-
-/* Prototypes */
-void igmp_init(void);
-err_t igmp_start(struct netif *netif);
-err_t igmp_stop(struct netif *netif);
-void igmp_report_groups(struct netif *netif);
-struct igmp_group *igmp_lookfor_group(struct netif *ifp, ip_addr_t *addr);
-void igmp_input(struct pbuf *p, struct netif *inp, ip_addr_t *dest);
-err_t igmp_joingroup(ip_addr_t *ifaddr, ip_addr_t *groupaddr);
-err_t igmp_leavegroup(ip_addr_t *ifaddr, ip_addr_t *groupaddr);
-void igmp_tmr(void);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* LWIP_IGMP */
-
-#endif /* __LWIP_IGMP_H__ */