3 * Copyright (C) 2008 Everton da Silva Marques
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; see the file COPYING; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 #ifndef PIM_IGMP_JOIN_H
21 #define PIM_IGMP_JOIN_H
23 /* required headers #include'd by caller */
26 #define SOL_IP IPPROTO_IP
29 #ifndef MCAST_JOIN_SOURCE_GROUP
30 #define MCAST_JOIN_SOURCE_GROUP 46
31 struct group_source_req
33 uint32_t gsr_interface
;
34 struct sockaddr_storage gsr_group
;
35 struct sockaddr_storage gsr_source
;
39 static int pim_igmp_join_source(int fd
, ifindex_t ifindex
,
40 struct in_addr group_addr
,
41 struct in_addr source_addr
)
43 struct group_source_req req
;
44 struct sockaddr_in group
;
45 struct sockaddr_in source
;
47 memset(&req
, 0, sizeof(req
));
48 memset(&group
, 0, sizeof(group
));
49 group
.sin_family
= AF_INET
;
50 group
.sin_addr
= group_addr
;
51 group
.sin_port
= htons(0);
52 memcpy(&req
.gsr_group
, &group
, sizeof(struct sockaddr_in
));
54 memset(&source
, 0, sizeof(source
));
55 source
.sin_family
= AF_INET
;
56 source
.sin_addr
= source_addr
;
57 source
.sin_port
= htons(0);
58 memcpy(&req
.gsr_source
, &source
, sizeof(struct sockaddr_in
));
60 req
.gsr_interface
= ifindex
;
62 return setsockopt(fd
, SOL_IP
, MCAST_JOIN_SOURCE_GROUP
,
68 #endif /* PIM_IGMP_JOIN_H */