4 * Multicast listener discovery for IPv6. Aims to be compliant with RFC 2710.
5 * No support for MLDv2.
9 * Copyright (c) 2010 Inico Technologies Ltd.
10 * All rights reserved.
12 * Redistribution and use in source and binary forms, with or without modification,
13 * are permitted provided that the following conditions are met:
15 * 1. Redistributions of source code must retain the above copyright notice,
16 * this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright notice,
18 * this list of conditions and the following disclaimer in the documentation
19 * and/or other materials provided with the distribution.
20 * 3. The name of the author may not be used to endorse or promote products
21 * derived from this software without specific prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
24 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
25 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
26 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
27 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
28 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
31 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
34 * This file is part of the lwIP TCP/IP stack.
36 * Author: Ivan Delamer <delamer@inicotech.com>
39 * Please coordinate changes and requests with Ivan Delamer
40 * <delamer@inicotech.com>
43 #ifndef LWIP_HDR_MLD6_H
44 #define LWIP_HDR_MLD6_H
48 /* don't build if not configured for use in lwipopts.h */
49 #if LWIP_IPV6_MLD && LWIP_IPV6_ND && LWIP_IPV6
51 #include "lwip/pbuf.h"
52 #include "lwip/netif.h"
61 struct mld_group *next;
62 /** multicast address */
63 ip6_addr_t group_address;
64 /** signifies we were the last person to report */
65 u8_t last_reporter_flag;
66 /** current state of the group */
68 /** timer for reporting */
70 /** counter of simultaneous uses */
74 err_t mld6_stop(struct netif *netif);
75 void mld6_report_groups(struct netif *netif);
76 struct mld_group *mld6_lookfor_group(struct netif *ifp, const ip6_addr_t *addr);
77 void mld6_input(struct pbuf *p, struct netif *inp);
78 err_t mld6_joingroup(const ip6_addr_t *srcaddr, const ip6_addr_t *groupaddr);
79 err_t mld6_joingroup_netif(struct netif *netif, const ip6_addr_t *groupaddr);
80 err_t mld6_leavegroup(const ip6_addr_t *srcaddr, const ip6_addr_t *groupaddr);
81 err_t mld6_leavegroup_netif(struct netif *netif, const ip6_addr_t *groupaddr);
84 * Get list head of MLD6 groups for netif.
85 * Note: The allnodes group IP is NOT in the list, since it must always
86 * be received for correct IPv6 operation.
87 * @see @ref netif_set_mld_mac_filter()
89 #define netif_mld6_data(netif) ((struct mld_group *)netif_get_client_data(netif, LWIP_NETIF_CLIENT_DATA_INDEX_MLD6))
95 #endif /* LWIP_IPV6_MLD && LWIP_IPV6_ND && LWIP_IPV6 */
97 #endif /* LWIP_HDR_MLD6_H */